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// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2007 Cavium Networks
*/
#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/ratelimit.h>
#include <linux/of_mdio.h>
#include <generated/utsrelease.h>
#include <net/dst.h>
#include "octeon-ethernet.h"
#include "ethernet-defines.h"
#include "ethernet-mdio.h"
#include "ethernet-util.h"
static void cvm_oct_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
strscpy(info->version, UTS_RELEASE, sizeof(info->version));
strscpy(info->bus_info, "Builtin", sizeof(info->bus_info));
}
static int cvm_oct_nway_reset(struct net_device *dev)
{
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (dev->phydev)
return phy_start_aneg(dev->phydev);
return -EINVAL;
}
const struct ethtool_ops cvm_oct_ethtool_ops = {
.get_drvinfo = cvm_oct_get_drvinfo,
.nway_reset = cvm_oct_nway_reset,
.get_link = ethtool_op_get_link,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
/**
* cvm_oct_ioctl - IOCTL support for PHY control
* @dev: Device to change
* @rq: the request
* @cmd: the command
*
* Returns Zero on success
*/
int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
if (!netif_running(dev))
return -EINVAL;
if (!dev->phydev)
return -EINVAL;
return phy_mii_ioctl(dev->phydev, rq, cmd);
}
void cvm_oct_note_carrier(struct octeon_ethernet *priv,
union cvmx_helper_link_info li)
{
if (li.s.link_up) {
pr_notice_ratelimited("%s: %u Mbps %s duplex, port %d, queue %d\n",
netdev_name(priv->netdev), li.s.speed,
(li.s.full_duplex) ? "Full" : "Half",
priv->port, priv->queue);
} else {
pr_notice_ratelimited("%s: Link down\n",
netdev_name(priv->netdev));
}
}
void cvm_oct_adjust_link(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
union cvmx_helper_link_info link_info;
link_info.u64 = 0;
link_info.s.link_up = dev->phydev->link ? 1 : 0;
link_info.s.full_duplex = dev->phydev->duplex ? 1 : 0;
link_info.s.speed = dev->phydev->speed;
priv->link_info = link_info.u64;
/*
* The polling task need to know about link status changes.
*/
if (priv->poll)
priv->poll(dev);
if (priv->last_link != dev->phydev->link) {
priv->last_link = dev->phydev->link;
cvmx_helper_link_set(priv->port, link_info);
cvm_oct_note_carrier(priv, link_info);
}
}
int cvm_oct_common_stop(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
int interface = INTERFACE(priv->port);
union cvmx_helper_link_info link_info;
union cvmx_gmxx_prtx_cfg gmx_cfg;
int index = INDEX(priv->port);
gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
gmx_cfg.s.en = 0;
cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
priv->poll = NULL;
if (dev->phydev)
phy_disconnect(dev->phydev);
if (priv->last_link) {
link_info.u64 = 0;
priv->last_link = 0;
cvmx_helper_link_set(priv->port, link_info);
cvm_oct_note_carrier(priv, link_info);
}
return 0;
}
/**
* cvm_oct_phy_setup_device - setup the PHY
*
* @dev: Device to setup
*
* Returns Zero on success, negative on failure
*/
int cvm_oct_phy_setup_device(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
struct device_node *phy_node;
struct phy_device *phydev = NULL;
if (!priv->of_node)
goto no_phy;
phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0);
if (!phy_node && of_phy_is_fixed_link(priv->of_node))
phy_node = of_node_get(priv->of_node);
if (!phy_node)
goto no_phy;
phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0,
priv->phy_mode);
of_node_put(phy_node);
if (!phydev)
return -EPROBE_DEFER;
priv->last_link = 0;
phy_start(phydev);
return 0;
no_phy:
/* If there is no phy, assume a direct MAC connection and that
* the link is up.
*/
netif_carrier_on(dev);
return 0;
}
| linux-master | drivers/staging/octeon/ethernet-mdio.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2010 Cavium Networks
*/
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/slab.h>
#include "octeon-ethernet.h"
#include "ethernet-mem.h"
#include "ethernet-defines.h"
/**
* cvm_oct_fill_hw_skbuff - fill the supplied hardware pool with skbuffs
* @pool: Pool to allocate an skbuff for
* @size: Size of the buffer needed for the pool
* @elements: Number of buffers to allocate
*
* Returns the actual number of buffers allocated.
*/
static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
{
int freed = elements;
while (freed) {
struct sk_buff *skb = dev_alloc_skb(size + 256);
if (unlikely(!skb))
break;
skb_reserve(skb, 256 - (((unsigned long)skb->data) & 0x7f));
*(struct sk_buff **)(skb->data - sizeof(void *)) = skb;
cvmx_fpa_free(skb->data, pool, size / 128);
freed--;
}
return elements - freed;
}
/**
* cvm_oct_free_hw_skbuff- free hardware pool skbuffs
* @pool: Pool to allocate an skbuff for
* @size: Size of the buffer needed for the pool
* @elements: Number of buffers to allocate
*/
static void cvm_oct_free_hw_skbuff(int pool, int size, int elements)
{
char *memory;
do {
memory = cvmx_fpa_alloc(pool);
if (memory) {
struct sk_buff *skb =
*(struct sk_buff **)(memory - sizeof(void *));
elements--;
dev_kfree_skb(skb);
}
} while (memory);
if (elements < 0)
pr_warn("Freeing of pool %u had too many skbuffs (%d)\n",
pool, elements);
else if (elements > 0)
pr_warn("Freeing of pool %u is missing %d skbuffs\n",
pool, elements);
}
/**
* cvm_oct_fill_hw_memory - fill a hardware pool with memory.
* @pool: Pool to populate
* @size: Size of each buffer in the pool
* @elements: Number of buffers to allocate
*
* Returns the actual number of buffers allocated.
*/
static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
{
char *memory;
char *fpa;
int freed = elements;
while (freed) {
/*
* FPA memory must be 128 byte aligned. Since we are
* aligning we need to save the original pointer so we
* can feed it to kfree when the memory is returned to
* the kernel.
*
* We allocate an extra 256 bytes to allow for
* alignment and space for the original pointer saved
* just before the block.
*/
memory = kmalloc(size + 256, GFP_ATOMIC);
if (unlikely(!memory)) {
pr_warn("Unable to allocate %u bytes for FPA pool %d\n",
elements * size, pool);
break;
}
fpa = (char *)(((unsigned long)memory + 256) & ~0x7fUL);
*((char **)fpa - 1) = memory;
cvmx_fpa_free(fpa, pool, 0);
freed--;
}
return elements - freed;
}
/**
* cvm_oct_free_hw_memory - Free memory allocated by cvm_oct_fill_hw_memory
* @pool: FPA pool to free
* @size: Size of each buffer in the pool
* @elements: Number of buffers that should be in the pool
*/
static void cvm_oct_free_hw_memory(int pool, int size, int elements)
{
char *memory;
char *fpa;
do {
fpa = cvmx_fpa_alloc(pool);
if (fpa) {
elements--;
fpa = (char *)phys_to_virt(cvmx_ptr_to_phys(fpa));
memory = *((char **)fpa - 1);
kfree(memory);
}
} while (fpa);
if (elements < 0)
pr_warn("Freeing of pool %u had too many buffers (%d)\n",
pool, elements);
else if (elements > 0)
pr_warn("Warning: Freeing of pool %u is missing %d buffers\n",
pool, elements);
}
int cvm_oct_mem_fill_fpa(int pool, int size, int elements)
{
int freed;
if (pool == CVMX_FPA_PACKET_POOL)
freed = cvm_oct_fill_hw_skbuff(pool, size, elements);
else
freed = cvm_oct_fill_hw_memory(pool, size, elements);
return freed;
}
void cvm_oct_mem_empty_fpa(int pool, int size, int elements)
{
if (pool == CVMX_FPA_PACKET_POOL)
cvm_oct_free_hw_skbuff(pool, size, elements);
else
cvm_oct_free_hw_memory(pool, size, elements);
}
| linux-master | drivers/staging/octeon/ethernet-mem.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2007 Cavium Networks
*/
#include <linux/phy.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/ratelimit.h>
#include <net/dst.h>
#include "octeon-ethernet.h"
#include "ethernet-defines.h"
#include "ethernet-util.h"
#include "ethernet-mdio.h"
int cvm_oct_sgmii_open(struct net_device *dev)
{
return cvm_oct_common_open(dev, cvm_oct_link_poll);
}
int cvm_oct_sgmii_init(struct net_device *dev)
{
cvm_oct_common_init(dev);
/* FIXME: Need autoneg logic */
return 0;
}
| linux-master | drivers/staging/octeon/ethernet-sgmii.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2010 Cavium Networks
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/ratelimit.h>
#include <linux/string.h>
#include <linux/interrupt.h>
#include <net/dst.h>
#ifdef CONFIG_XFRM
#include <linux/xfrm.h>
#include <net/xfrm.h>
#endif /* CONFIG_XFRM */
#include <linux/atomic.h>
#include <net/sch_generic.h>
#include "octeon-ethernet.h"
#include "ethernet-defines.h"
#include "ethernet-tx.h"
#include "ethernet-util.h"
#define CVM_OCT_SKB_CB(skb) ((u64 *)((skb)->cb))
/*
* You can define GET_SKBUFF_QOS() to override how the skbuff output
* function determines which output queue is used. The default
* implementation always uses the base queue for the port. If, for
* example, you wanted to use the skb->priority field, define
* GET_SKBUFF_QOS as: #define GET_SKBUFF_QOS(skb) ((skb)->priority)
*/
#ifndef GET_SKBUFF_QOS
#define GET_SKBUFF_QOS(skb) 0
#endif
static void cvm_oct_tx_do_cleanup(unsigned long arg);
static DECLARE_TASKLET_OLD(cvm_oct_tx_cleanup_tasklet, cvm_oct_tx_do_cleanup);
/* Maximum number of SKBs to try to free per xmit packet. */
#define MAX_SKB_TO_FREE (MAX_OUT_QUEUE_DEPTH * 2)
static inline int cvm_oct_adjust_skb_to_free(int skb_to_free, int fau)
{
int undo;
undo = skb_to_free > 0 ? MAX_SKB_TO_FREE : skb_to_free +
MAX_SKB_TO_FREE;
if (undo > 0)
cvmx_fau_atomic_add32(fau, -undo);
skb_to_free = -skb_to_free > MAX_SKB_TO_FREE ? MAX_SKB_TO_FREE :
-skb_to_free;
return skb_to_free;
}
static void cvm_oct_kick_tx_poll_watchdog(void)
{
union cvmx_ciu_timx ciu_timx;
ciu_timx.u64 = 0;
ciu_timx.s.one_shot = 1;
ciu_timx.s.len = cvm_oct_tx_poll_interval;
cvmx_write_csr(CVMX_CIU_TIMX(1), ciu_timx.u64);
}
static void cvm_oct_free_tx_skbs(struct net_device *dev)
{
int skb_to_free;
int qos, queues_per_port;
int total_remaining = 0;
unsigned long flags;
struct octeon_ethernet *priv = netdev_priv(dev);
queues_per_port = cvmx_pko_get_num_queues(priv->port);
/* Drain any pending packets in the free list */
for (qos = 0; qos < queues_per_port; qos++) {
if (skb_queue_len(&priv->tx_free_list[qos]) == 0)
continue;
skb_to_free = cvmx_fau_fetch_and_add32(priv->fau + qos * 4,
MAX_SKB_TO_FREE);
skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
priv->fau + qos * 4);
if (skb_to_free > 0) {
struct sk_buff *to_free_list = NULL;
spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
while (skb_to_free > 0) {
struct sk_buff *t;
t = __skb_dequeue(&priv->tx_free_list[qos]);
t->next = to_free_list;
to_free_list = t;
skb_to_free--;
}
spin_unlock_irqrestore(&priv->tx_free_list[qos].lock,
flags);
/* Do the actual freeing outside of the lock. */
while (to_free_list) {
struct sk_buff *t = to_free_list;
to_free_list = to_free_list->next;
dev_kfree_skb_any(t);
}
}
total_remaining += skb_queue_len(&priv->tx_free_list[qos]);
}
if (total_remaining < MAX_OUT_QUEUE_DEPTH && netif_queue_stopped(dev))
netif_wake_queue(dev);
if (total_remaining)
cvm_oct_kick_tx_poll_watchdog();
}
/**
* cvm_oct_xmit - transmit a packet
* @skb: Packet to send
* @dev: Device info structure
*
* Returns Always returns NETDEV_TX_OK
*/
netdev_tx_t cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
{
union cvmx_pko_command_word0 pko_command;
union cvmx_buf_ptr hw_buffer;
u64 old_scratch;
u64 old_scratch2;
int qos;
int i;
enum {QUEUE_CORE, QUEUE_HW, QUEUE_DROP} queue_type;
struct octeon_ethernet *priv = netdev_priv(dev);
struct sk_buff *to_free_list;
int skb_to_free;
int buffers_to_free;
u32 total_to_clean;
unsigned long flags;
#if REUSE_SKBUFFS_WITHOUT_FREE
unsigned char *fpa_head;
#endif
/*
* Prefetch the private data structure. It is larger than the
* one cache line.
*/
prefetch(priv);
/*
* The check on CVMX_PKO_QUEUES_PER_PORT_* is designed to
* completely remove "qos" in the event neither interface
* supports multiple queues per port.
*/
if ((CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 > 1) ||
(CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 > 1)) {
qos = GET_SKBUFF_QOS(skb);
if (qos <= 0)
qos = 0;
else if (qos >= cvmx_pko_get_num_queues(priv->port))
qos = 0;
} else {
qos = 0;
}
if (USE_ASYNC_IOBDMA) {
/* Save scratch in case userspace is using it */
CVMX_SYNCIOBDMA;
old_scratch = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
old_scratch2 = cvmx_scratch_read64(CVMX_SCR_SCRATCH + 8);
/*
* Fetch and increment the number of packets to be
* freed.
*/
cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH + 8,
FAU_NUM_PACKET_BUFFERS_TO_FREE,
0);
cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH,
priv->fau + qos * 4,
MAX_SKB_TO_FREE);
}
/*
* We have space for 6 segment pointers, If there will be more
* than that, we must linearize.
*/
if (unlikely(skb_shinfo(skb)->nr_frags > 5)) {
if (unlikely(__skb_linearize(skb))) {
queue_type = QUEUE_DROP;
if (USE_ASYNC_IOBDMA) {
/*
* Get the number of skbuffs in use
* by the hardware
*/
CVMX_SYNCIOBDMA;
skb_to_free =
cvmx_scratch_read64(CVMX_SCR_SCRATCH);
} else {
/*
* Get the number of skbuffs in use
* by the hardware
*/
skb_to_free =
cvmx_fau_fetch_and_add32(priv->fau +
qos * 4,
MAX_SKB_TO_FREE);
}
skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
priv->fau +
qos * 4);
spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
goto skip_xmit;
}
}
/*
* The CN3XXX series of parts has an errata (GMX-401) which
* causes the GMX block to hang if a collision occurs towards
* the end of a <68 byte packet. As a workaround for this, we
* pad packets to be 68 bytes whenever we are in half duplex
* mode. We don't handle the case of having a small packet but
* no room to add the padding. The kernel should always give
* us at least a cache line
*/
if ((skb->len < 64) && OCTEON_IS_MODEL(OCTEON_CN3XXX)) {
union cvmx_gmxx_prtx_cfg gmx_prt_cfg;
int interface = INTERFACE(priv->port);
int index = INDEX(priv->port);
if (interface < 2) {
/* We only need to pad packet in half duplex mode */
gmx_prt_cfg.u64 =
cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
if (gmx_prt_cfg.s.duplex == 0) {
int add_bytes = 64 - skb->len;
if ((skb_tail_pointer(skb) + add_bytes) <=
skb_end_pointer(skb))
__skb_put_zero(skb, add_bytes);
}
}
}
/* Build the PKO command */
pko_command.u64 = 0;
#ifdef __LITTLE_ENDIAN
pko_command.s.le = 1;
#endif
pko_command.s.n2 = 1; /* Don't pollute L2 with the outgoing packet */
pko_command.s.segs = 1;
pko_command.s.total_bytes = skb->len;
pko_command.s.size0 = CVMX_FAU_OP_SIZE_32;
pko_command.s.subone0 = 1;
pko_command.s.dontfree = 1;
/* Build the PKO buffer pointer */
hw_buffer.u64 = 0;
if (skb_shinfo(skb)->nr_frags == 0) {
hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data);
hw_buffer.s.pool = 0;
hw_buffer.s.size = skb->len;
} else {
hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data);
hw_buffer.s.pool = 0;
hw_buffer.s.size = skb_headlen(skb);
CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *fs = skb_shinfo(skb)->frags + i;
hw_buffer.s.addr =
XKPHYS_TO_PHYS((uintptr_t)skb_frag_address(fs));
hw_buffer.s.size = skb_frag_size(fs);
CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64;
}
hw_buffer.s.addr =
XKPHYS_TO_PHYS((uintptr_t)CVM_OCT_SKB_CB(skb));
hw_buffer.s.size = skb_shinfo(skb)->nr_frags + 1;
pko_command.s.segs = skb_shinfo(skb)->nr_frags + 1;
pko_command.s.gather = 1;
goto dont_put_skbuff_in_hw;
}
/*
* See if we can put this skb in the FPA pool. Any strange
* behavior from the Linux networking stack will most likely
* be caused by a bug in the following code. If some field is
* in use by the network stack and gets carried over when a
* buffer is reused, bad things may happen. If in doubt and
* you dont need the absolute best performance, disable the
* define REUSE_SKBUFFS_WITHOUT_FREE. The reuse of buffers has
* shown a 25% increase in performance under some loads.
*/
#if REUSE_SKBUFFS_WITHOUT_FREE
fpa_head = skb->head + 256 - ((unsigned long)skb->head & 0x7f);
if (unlikely(skb->data < fpa_head)) {
/* TX buffer beginning can't meet FPA alignment constraints */
goto dont_put_skbuff_in_hw;
}
if (unlikely
((skb_end_pointer(skb) - fpa_head) < CVMX_FPA_PACKET_POOL_SIZE)) {
/* TX buffer isn't large enough for the FPA */
goto dont_put_skbuff_in_hw;
}
if (unlikely(skb_shared(skb))) {
/* TX buffer sharing data with someone else */
goto dont_put_skbuff_in_hw;
}
if (unlikely(skb_cloned(skb))) {
/* TX buffer has been cloned */
goto dont_put_skbuff_in_hw;
}
if (unlikely(skb_header_cloned(skb))) {
/* TX buffer header has been cloned */
goto dont_put_skbuff_in_hw;
}
if (unlikely(skb->destructor)) {
/* TX buffer has a destructor */
goto dont_put_skbuff_in_hw;
}
if (unlikely(skb_shinfo(skb)->nr_frags)) {
/* TX buffer has fragments */
goto dont_put_skbuff_in_hw;
}
if (unlikely
(skb->truesize !=
sizeof(*skb) + skb_end_offset(skb))) {
/* TX buffer truesize has been changed */
goto dont_put_skbuff_in_hw;
}
/*
* We can use this buffer in the FPA. We don't need the FAU
* update anymore
*/
pko_command.s.dontfree = 0;
hw_buffer.s.back = ((unsigned long)skb->data >> 7) -
((unsigned long)fpa_head >> 7);
*(struct sk_buff **)(fpa_head - sizeof(void *)) = skb;
/*
* The skbuff will be reused without ever being freed. We must
* cleanup a bunch of core things.
*/
dst_release(skb_dst(skb));
skb_dst_set(skb, NULL);
skb_ext_reset(skb);
nf_reset_ct(skb);
skb_reset_redirect(skb);
#ifdef CONFIG_NET_SCHED
skb->tc_index = 0;
#endif /* CONFIG_NET_SCHED */
#endif /* REUSE_SKBUFFS_WITHOUT_FREE */
dont_put_skbuff_in_hw:
/* Check if we can use the hardware checksumming */
if ((skb->protocol == htons(ETH_P_IP)) &&
(ip_hdr(skb)->version == 4) &&
(ip_hdr(skb)->ihl == 5) &&
((ip_hdr(skb)->frag_off == 0) ||
(ip_hdr(skb)->frag_off == htons(1 << 14))) &&
((ip_hdr(skb)->protocol == IPPROTO_TCP) ||
(ip_hdr(skb)->protocol == IPPROTO_UDP))) {
/* Use hardware checksum calc */
pko_command.s.ipoffp1 = skb_network_offset(skb) + 1;
}
if (USE_ASYNC_IOBDMA) {
/* Get the number of skbuffs in use by the hardware */
CVMX_SYNCIOBDMA;
skb_to_free = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
buffers_to_free = cvmx_scratch_read64(CVMX_SCR_SCRATCH + 8);
} else {
/* Get the number of skbuffs in use by the hardware */
skb_to_free = cvmx_fau_fetch_and_add32(priv->fau + qos * 4,
MAX_SKB_TO_FREE);
buffers_to_free =
cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
}
skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
priv->fau + qos * 4);
/*
* If we're sending faster than the receive can free them then
* don't do the HW free.
*/
if ((buffers_to_free < -100) && !pko_command.s.dontfree)
pko_command.s.dontfree = 1;
if (pko_command.s.dontfree) {
queue_type = QUEUE_CORE;
pko_command.s.reg0 = priv->fau + qos * 4;
} else {
queue_type = QUEUE_HW;
}
if (USE_ASYNC_IOBDMA)
cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH,
FAU_TOTAL_TX_TO_CLEAN, 1);
spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
/* Drop this packet if we have too many already queued to the HW */
if (unlikely(skb_queue_len(&priv->tx_free_list[qos]) >=
MAX_OUT_QUEUE_DEPTH)) {
if (dev->tx_queue_len != 0) {
/* Drop the lock when notifying the core. */
spin_unlock_irqrestore(&priv->tx_free_list[qos].lock,
flags);
netif_stop_queue(dev);
spin_lock_irqsave(&priv->tx_free_list[qos].lock,
flags);
} else {
/* If not using normal queueing. */
queue_type = QUEUE_DROP;
goto skip_xmit;
}
}
cvmx_pko_send_packet_prepare(priv->port, priv->queue + qos,
CVMX_PKO_LOCK_NONE);
/* Send the packet to the output queue */
if (unlikely(cvmx_pko_send_packet_finish(priv->port,
priv->queue + qos,
pko_command, hw_buffer,
CVMX_PKO_LOCK_NONE))) {
printk_ratelimited("%s: Failed to send the packet\n",
dev->name);
queue_type = QUEUE_DROP;
}
skip_xmit:
to_free_list = NULL;
switch (queue_type) {
case QUEUE_DROP:
skb->next = to_free_list;
to_free_list = skb;
dev->stats.tx_dropped++;
break;
case QUEUE_HW:
cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, -1);
break;
case QUEUE_CORE:
__skb_queue_tail(&priv->tx_free_list[qos], skb);
break;
default:
BUG();
}
while (skb_to_free > 0) {
struct sk_buff *t = __skb_dequeue(&priv->tx_free_list[qos]);
t->next = to_free_list;
to_free_list = t;
skb_to_free--;
}
spin_unlock_irqrestore(&priv->tx_free_list[qos].lock, flags);
/* Do the actual freeing outside of the lock. */
while (to_free_list) {
struct sk_buff *t = to_free_list;
to_free_list = to_free_list->next;
dev_kfree_skb_any(t);
}
if (USE_ASYNC_IOBDMA) {
CVMX_SYNCIOBDMA;
total_to_clean = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
/* Restore the scratch area */
cvmx_scratch_write64(CVMX_SCR_SCRATCH, old_scratch);
cvmx_scratch_write64(CVMX_SCR_SCRATCH + 8, old_scratch2);
} else {
total_to_clean =
cvmx_fau_fetch_and_add32(FAU_TOTAL_TX_TO_CLEAN, 1);
}
if (total_to_clean & 0x3ff) {
/*
* Schedule the cleanup tasklet every 1024 packets for
* the pathological case of high traffic on one port
* delaying clean up of packets on a different port
* that is blocked waiting for the cleanup.
*/
tasklet_schedule(&cvm_oct_tx_cleanup_tasklet);
}
cvm_oct_kick_tx_poll_watchdog();
return NETDEV_TX_OK;
}
/**
* cvm_oct_xmit_pow - transmit a packet to the POW
* @skb: Packet to send
* @dev: Device info structure
* Returns Always returns zero
*/
netdev_tx_t cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
void *packet_buffer;
void *copy_location;
/* Get a work queue entry */
struct cvmx_wqe *work = cvmx_fpa_alloc(CVMX_FPA_WQE_POOL);
if (unlikely(!work)) {
printk_ratelimited("%s: Failed to allocate a work queue entry\n",
dev->name);
dev->stats.tx_dropped++;
dev_kfree_skb_any(skb);
return 0;
}
/* Get a packet buffer */
packet_buffer = cvmx_fpa_alloc(CVMX_FPA_PACKET_POOL);
if (unlikely(!packet_buffer)) {
printk_ratelimited("%s: Failed to allocate a packet buffer\n",
dev->name);
cvmx_fpa_free(work, CVMX_FPA_WQE_POOL, 1);
dev->stats.tx_dropped++;
dev_kfree_skb_any(skb);
return 0;
}
/*
* Calculate where we need to copy the data to. We need to
* leave 8 bytes for a next pointer (unused). We also need to
* include any configure skip. Then we need to align the IP
* packet src and dest into the same 64bit word. The below
* calculation may add a little extra, but that doesn't
* hurt.
*/
copy_location = packet_buffer + sizeof(u64);
copy_location += ((CVMX_HELPER_FIRST_MBUFF_SKIP + 7) & 0xfff8) + 6;
/*
* We have to copy the packet since whoever processes this
* packet will free it to a hardware pool. We can't use the
* trick of counting outstanding packets like in
* cvm_oct_xmit.
*/
memcpy(copy_location, skb->data, skb->len);
/*
* Fill in some of the work queue fields. We may need to add
* more if the software at the other end needs them.
*/
if (!OCTEON_IS_MODEL(OCTEON_CN68XX))
work->word0.pip.cn38xx.hw_chksum = skb->csum;
work->word1.len = skb->len;
cvmx_wqe_set_port(work, priv->port);
cvmx_wqe_set_qos(work, priv->port & 0x7);
cvmx_wqe_set_grp(work, pow_send_group);
work->word1.tag_type = CVMX_HELPER_INPUT_TAG_TYPE;
work->word1.tag = pow_send_group; /* FIXME */
/* Default to zero. Sets of zero later are commented out */
work->word2.u64 = 0;
work->word2.s.bufs = 1;
work->packet_ptr.u64 = 0;
work->packet_ptr.s.addr = cvmx_ptr_to_phys(copy_location);
work->packet_ptr.s.pool = CVMX_FPA_PACKET_POOL;
work->packet_ptr.s.size = CVMX_FPA_PACKET_POOL_SIZE;
work->packet_ptr.s.back = (copy_location - packet_buffer) >> 7;
if (skb->protocol == htons(ETH_P_IP)) {
work->word2.s.ip_offset = 14;
#if 0
work->word2.s.vlan_valid = 0; /* FIXME */
work->word2.s.vlan_cfi = 0; /* FIXME */
work->word2.s.vlan_id = 0; /* FIXME */
work->word2.s.dec_ipcomp = 0; /* FIXME */
#endif
work->word2.s.tcp_or_udp =
(ip_hdr(skb)->protocol == IPPROTO_TCP) ||
(ip_hdr(skb)->protocol == IPPROTO_UDP);
#if 0
/* FIXME */
work->word2.s.dec_ipsec = 0;
/* We only support IPv4 right now */
work->word2.s.is_v6 = 0;
/* Hardware would set to zero */
work->word2.s.software = 0;
/* No error, packet is internal */
work->word2.s.L4_error = 0;
#endif
work->word2.s.is_frag = !((ip_hdr(skb)->frag_off == 0) ||
(ip_hdr(skb)->frag_off ==
cpu_to_be16(1 << 14)));
#if 0
/* Assume Linux is sending a good packet */
work->word2.s.IP_exc = 0;
#endif
work->word2.s.is_bcast = (skb->pkt_type == PACKET_BROADCAST);
work->word2.s.is_mcast = (skb->pkt_type == PACKET_MULTICAST);
#if 0
/* This is an IP packet */
work->word2.s.not_IP = 0;
/* No error, packet is internal */
work->word2.s.rcv_error = 0;
/* No error, packet is internal */
work->word2.s.err_code = 0;
#endif
/*
* When copying the data, include 4 bytes of the
* ethernet header to align the same way hardware
* does.
*/
memcpy(work->packet_data, skb->data + 10,
sizeof(work->packet_data));
} else {
#if 0
work->word2.snoip.vlan_valid = 0; /* FIXME */
work->word2.snoip.vlan_cfi = 0; /* FIXME */
work->word2.snoip.vlan_id = 0; /* FIXME */
work->word2.snoip.software = 0; /* Hardware would set to zero */
#endif
work->word2.snoip.is_rarp = skb->protocol == htons(ETH_P_RARP);
work->word2.snoip.is_arp = skb->protocol == htons(ETH_P_ARP);
work->word2.snoip.is_bcast =
(skb->pkt_type == PACKET_BROADCAST);
work->word2.snoip.is_mcast =
(skb->pkt_type == PACKET_MULTICAST);
work->word2.snoip.not_IP = 1; /* IP was done up above */
#if 0
/* No error, packet is internal */
work->word2.snoip.rcv_error = 0;
/* No error, packet is internal */
work->word2.snoip.err_code = 0;
#endif
memcpy(work->packet_data, skb->data, sizeof(work->packet_data));
}
/* Submit the packet to the POW */
cvmx_pow_work_submit(work, work->word1.tag, work->word1.tag_type,
cvmx_wqe_get_qos(work), cvmx_wqe_get_grp(work));
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
dev_consume_skb_any(skb);
return 0;
}
/**
* cvm_oct_tx_shutdown_dev - free all skb that are currently queued for TX.
* @dev: Device being shutdown
*
*/
void cvm_oct_tx_shutdown_dev(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
unsigned long flags;
int qos;
for (qos = 0; qos < 16; qos++) {
spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
while (skb_queue_len(&priv->tx_free_list[qos]))
dev_kfree_skb_any(__skb_dequeue
(&priv->tx_free_list[qos]));
spin_unlock_irqrestore(&priv->tx_free_list[qos].lock, flags);
}
}
static void cvm_oct_tx_do_cleanup(unsigned long arg)
{
int port;
for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
if (cvm_oct_device[port]) {
struct net_device *dev = cvm_oct_device[port];
cvm_oct_free_tx_skbs(dev);
}
}
}
static irqreturn_t cvm_oct_tx_cleanup_watchdog(int cpl, void *dev_id)
{
/* Disable the interrupt. */
cvmx_write_csr(CVMX_CIU_TIMX(1), 0);
/* Do the work in the tasklet. */
tasklet_schedule(&cvm_oct_tx_cleanup_tasklet);
return IRQ_HANDLED;
}
void cvm_oct_tx_initialize(void)
{
int i;
/* Disable the interrupt. */
cvmx_write_csr(CVMX_CIU_TIMX(1), 0);
/* Register an IRQ handler to receive CIU_TIMX(1) interrupts */
i = request_irq(OCTEON_IRQ_TIMER1,
cvm_oct_tx_cleanup_watchdog, 0,
"Ethernet", cvm_oct_device);
if (i)
panic("Could not acquire Ethernet IRQ %d\n", OCTEON_IRQ_TIMER1);
}
void cvm_oct_tx_shutdown(void)
{
/* Free the interrupt handler */
free_irq(OCTEON_IRQ_TIMER1, cvm_oct_device);
}
| linux-master | drivers/staging/octeon/ethernet-tx.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2007 Cavium Networks
*/
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/interrupt.h>
#include <net/dst.h>
#include "octeon-ethernet.h"
#include "ethernet-defines.h"
#include "ethernet-util.h"
static int number_spi_ports;
static int need_retrain[2] = { 0, 0 };
static void cvm_oct_spxx_int_pr(union cvmx_spxx_int_reg spx_int_reg, int index)
{
if (spx_int_reg.s.spf)
pr_err("SPI%d: SRX Spi4 interface down\n", index);
if (spx_int_reg.s.calerr)
pr_err("SPI%d: SRX Spi4 Calendar table parity error\n", index);
if (spx_int_reg.s.syncerr)
pr_err("SPI%d: SRX Consecutive Spi4 DIP4 errors have exceeded SPX_ERR_CTL[ERRCNT]\n",
index);
if (spx_int_reg.s.diperr)
pr_err("SPI%d: SRX Spi4 DIP4 error\n", index);
if (spx_int_reg.s.tpaovr)
pr_err("SPI%d: SRX Selected port has hit TPA overflow\n",
index);
if (spx_int_reg.s.rsverr)
pr_err("SPI%d: SRX Spi4 reserved control word detected\n",
index);
if (spx_int_reg.s.drwnng)
pr_err("SPI%d: SRX Spi4 receive FIFO drowning/overflow\n",
index);
if (spx_int_reg.s.clserr)
pr_err("SPI%d: SRX Spi4 packet closed on non-16B alignment without EOP\n",
index);
if (spx_int_reg.s.spiovr)
pr_err("SPI%d: SRX Spi4 async FIFO overflow\n", index);
if (spx_int_reg.s.abnorm)
pr_err("SPI%d: SRX Abnormal packet termination (ERR bit)\n",
index);
if (spx_int_reg.s.prtnxa)
pr_err("SPI%d: SRX Port out of range\n", index);
}
static void cvm_oct_stxx_int_pr(union cvmx_stxx_int_reg stx_int_reg, int index)
{
if (stx_int_reg.s.syncerr)
pr_err("SPI%d: STX Interface encountered a fatal error\n",
index);
if (stx_int_reg.s.frmerr)
pr_err("SPI%d: STX FRMCNT has exceeded STX_DIP_CNT[MAXFRM]\n",
index);
if (stx_int_reg.s.unxfrm)
pr_err("SPI%d: STX Unexpected framing sequence\n", index);
if (stx_int_reg.s.nosync)
pr_err("SPI%d: STX ERRCNT has exceeded STX_DIP_CNT[MAXDIP]\n",
index);
if (stx_int_reg.s.diperr)
pr_err("SPI%d: STX DIP2 error on the Spi4 Status channel\n",
index);
if (stx_int_reg.s.datovr)
pr_err("SPI%d: STX Spi4 FIFO overflow error\n", index);
if (stx_int_reg.s.ovrbst)
pr_err("SPI%d: STX Transmit packet burst too big\n", index);
if (stx_int_reg.s.calpar1)
pr_err("SPI%d: STX Calendar Table Parity Error Bank%d\n",
index, 1);
if (stx_int_reg.s.calpar0)
pr_err("SPI%d: STX Calendar Table Parity Error Bank%d\n",
index, 0);
}
static irqreturn_t cvm_oct_spi_spx_int(int index)
{
union cvmx_spxx_int_reg spx_int_reg;
union cvmx_stxx_int_reg stx_int_reg;
spx_int_reg.u64 = cvmx_read_csr(CVMX_SPXX_INT_REG(index));
cvmx_write_csr(CVMX_SPXX_INT_REG(index), spx_int_reg.u64);
if (!need_retrain[index]) {
spx_int_reg.u64 &= cvmx_read_csr(CVMX_SPXX_INT_MSK(index));
cvm_oct_spxx_int_pr(spx_int_reg, index);
}
stx_int_reg.u64 = cvmx_read_csr(CVMX_STXX_INT_REG(index));
cvmx_write_csr(CVMX_STXX_INT_REG(index), stx_int_reg.u64);
if (!need_retrain[index]) {
stx_int_reg.u64 &= cvmx_read_csr(CVMX_STXX_INT_MSK(index));
cvm_oct_stxx_int_pr(stx_int_reg, index);
}
cvmx_write_csr(CVMX_SPXX_INT_MSK(index), 0);
cvmx_write_csr(CVMX_STXX_INT_MSK(index), 0);
need_retrain[index] = 1;
return IRQ_HANDLED;
}
static irqreturn_t cvm_oct_spi_rml_interrupt(int cpl, void *dev_id)
{
irqreturn_t return_status = IRQ_NONE;
union cvmx_npi_rsl_int_blocks rsl_int_blocks;
/* Check and see if this interrupt was caused by the GMX block */
rsl_int_blocks.u64 = cvmx_read_csr(CVMX_NPI_RSL_INT_BLOCKS);
if (rsl_int_blocks.s.spx1) /* 19 - SPX1_INT_REG & STX1_INT_REG */
return_status = cvm_oct_spi_spx_int(1);
if (rsl_int_blocks.s.spx0) /* 18 - SPX0_INT_REG & STX0_INT_REG */
return_status = cvm_oct_spi_spx_int(0);
return return_status;
}
static void cvm_oct_spi_enable_error_reporting(int interface)
{
union cvmx_spxx_int_msk spxx_int_msk;
union cvmx_stxx_int_msk stxx_int_msk;
spxx_int_msk.u64 = cvmx_read_csr(CVMX_SPXX_INT_MSK(interface));
spxx_int_msk.s.calerr = 1;
spxx_int_msk.s.syncerr = 1;
spxx_int_msk.s.diperr = 1;
spxx_int_msk.s.tpaovr = 1;
spxx_int_msk.s.rsverr = 1;
spxx_int_msk.s.drwnng = 1;
spxx_int_msk.s.clserr = 1;
spxx_int_msk.s.spiovr = 1;
spxx_int_msk.s.abnorm = 1;
spxx_int_msk.s.prtnxa = 1;
cvmx_write_csr(CVMX_SPXX_INT_MSK(interface), spxx_int_msk.u64);
stxx_int_msk.u64 = cvmx_read_csr(CVMX_STXX_INT_MSK(interface));
stxx_int_msk.s.frmerr = 1;
stxx_int_msk.s.unxfrm = 1;
stxx_int_msk.s.nosync = 1;
stxx_int_msk.s.diperr = 1;
stxx_int_msk.s.datovr = 1;
stxx_int_msk.s.ovrbst = 1;
stxx_int_msk.s.calpar1 = 1;
stxx_int_msk.s.calpar0 = 1;
cvmx_write_csr(CVMX_STXX_INT_MSK(interface), stxx_int_msk.u64);
}
static void cvm_oct_spi_poll(struct net_device *dev)
{
static int spi4000_port;
struct octeon_ethernet *priv = netdev_priv(dev);
int interface;
for (interface = 0; interface < 2; interface++) {
if ((priv->port == interface * 16) && need_retrain[interface]) {
if (cvmx_spi_restart_interface
(interface, CVMX_SPI_MODE_DUPLEX, 10) == 0) {
need_retrain[interface] = 0;
cvm_oct_spi_enable_error_reporting(interface);
}
}
/*
* The SPI4000 TWSI interface is very slow. In order
* not to bring the system to a crawl, we only poll a
* single port every second. This means negotiation
* speed changes take up to 10 seconds, but at least
* we don't waste absurd amounts of time waiting for
* TWSI.
*/
if (priv->port == spi4000_port) {
/*
* This function does nothing if it is called on an
* interface without a SPI4000.
*/
cvmx_spi4000_check_speed(interface, priv->port);
/*
* Normal ordering increments. By decrementing
* we only match once per iteration.
*/
spi4000_port--;
if (spi4000_port < 0)
spi4000_port = 10;
}
}
}
int cvm_oct_spi_init(struct net_device *dev)
{
int r;
struct octeon_ethernet *priv = netdev_priv(dev);
if (number_spi_ports == 0) {
r = request_irq(OCTEON_IRQ_RML, cvm_oct_spi_rml_interrupt,
IRQF_SHARED, "SPI", &number_spi_ports);
if (r)
return r;
}
number_spi_ports++;
if (priv->port == 0 || priv->port == 16) {
cvm_oct_spi_enable_error_reporting(INTERFACE(priv->port));
priv->poll = cvm_oct_spi_poll;
}
cvm_oct_common_init(dev);
return 0;
}
void cvm_oct_spi_uninit(struct net_device *dev)
{
int interface;
cvm_oct_common_uninit(dev);
number_spi_ports--;
if (number_spi_ports == 0) {
for (interface = 0; interface < 2; interface++) {
cvmx_write_csr(CVMX_SPXX_INT_MSK(interface), 0);
cvmx_write_csr(CVMX_STXX_INT_MSK(interface), 0);
}
free_irq(OCTEON_IRQ_RML, &number_spi_ports);
}
}
| linux-master | drivers/staging/octeon/ethernet-spi.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This file is based on code from OCTEON SDK by Cavium Networks.
*
* Copyright (c) 2003-2007 Cavium Networks
*/
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/interrupt.h>
#include <linux/phy.h>
#include <linux/ratelimit.h>
#include <net/dst.h>
#include "octeon-ethernet.h"
#include "ethernet-defines.h"
#include "ethernet-util.h"
#include "ethernet-mdio.h"
static DEFINE_SPINLOCK(global_register_lock);
static void cvm_oct_set_hw_preamble(struct octeon_ethernet *priv, bool enable)
{
union cvmx_gmxx_rxx_frm_ctl gmxx_rxx_frm_ctl;
union cvmx_ipd_sub_port_fcs ipd_sub_port_fcs;
union cvmx_gmxx_rxx_int_reg gmxx_rxx_int_reg;
int interface = INTERFACE(priv->port);
int index = INDEX(priv->port);
/* Set preamble checking. */
gmxx_rxx_frm_ctl.u64 = cvmx_read_csr(CVMX_GMXX_RXX_FRM_CTL(index,
interface));
gmxx_rxx_frm_ctl.s.pre_chk = enable;
cvmx_write_csr(CVMX_GMXX_RXX_FRM_CTL(index, interface),
gmxx_rxx_frm_ctl.u64);
/* Set FCS stripping. */
ipd_sub_port_fcs.u64 = cvmx_read_csr(CVMX_IPD_SUB_PORT_FCS);
if (enable)
ipd_sub_port_fcs.s.port_bit |= 1ull << priv->port;
else
ipd_sub_port_fcs.s.port_bit &=
0xffffffffull ^ (1ull << priv->port);
cvmx_write_csr(CVMX_IPD_SUB_PORT_FCS, ipd_sub_port_fcs.u64);
/* Clear any error bits. */
gmxx_rxx_int_reg.u64 = cvmx_read_csr(CVMX_GMXX_RXX_INT_REG(index,
interface));
cvmx_write_csr(CVMX_GMXX_RXX_INT_REG(index, interface),
gmxx_rxx_int_reg.u64);
}
static void cvm_oct_check_preamble_errors(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
union cvmx_helper_link_info link_info;
unsigned long flags;
link_info.u64 = priv->link_info;
/*
* Take the global register lock since we are going to
* touch registers that affect more than one port.
*/
spin_lock_irqsave(&global_register_lock, flags);
if (link_info.s.speed == 10 && priv->last_speed == 10) {
/*
* Read the GMXX_RXX_INT_REG[PCTERR] bit and see if we are
* getting preamble errors.
*/
int interface = INTERFACE(priv->port);
int index = INDEX(priv->port);
union cvmx_gmxx_rxx_int_reg gmxx_rxx_int_reg;
gmxx_rxx_int_reg.u64 = cvmx_read_csr(CVMX_GMXX_RXX_INT_REG
(index, interface));
if (gmxx_rxx_int_reg.s.pcterr) {
/*
* We are getting preamble errors at 10Mbps. Most
* likely the PHY is giving us packets with misaligned
* preambles. In order to get these packets we need to
* disable preamble checking and do it in software.
*/
cvm_oct_set_hw_preamble(priv, false);
printk_ratelimited("%s: Using 10Mbps with software preamble removal\n",
dev->name);
}
} else {
/*
* Since the 10Mbps preamble workaround is allowed we need to
* enable preamble checking, FCS stripping, and clear error
* bits on every speed change. If errors occur during 10Mbps
* operation the above code will change this stuff
*/
if (priv->last_speed != link_info.s.speed)
cvm_oct_set_hw_preamble(priv, true);
priv->last_speed = link_info.s.speed;
}
spin_unlock_irqrestore(&global_register_lock, flags);
}
static void cvm_oct_rgmii_poll(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
union cvmx_helper_link_info link_info;
bool status_change;
link_info = cvmx_helper_link_get(priv->port);
if (priv->link_info != link_info.u64 &&
cvmx_helper_link_set(priv->port, link_info))
link_info.u64 = priv->link_info;
status_change = priv->link_info != link_info.u64;
priv->link_info = link_info.u64;
cvm_oct_check_preamble_errors(dev);
if (likely(!status_change))
return;
/* Tell core. */
if (link_info.s.link_up) {
if (!netif_carrier_ok(dev))
netif_carrier_on(dev);
} else if (netif_carrier_ok(dev)) {
netif_carrier_off(dev);
}
cvm_oct_note_carrier(priv, link_info);
}
int cvm_oct_rgmii_open(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
int ret;
ret = cvm_oct_common_open(dev, cvm_oct_rgmii_poll);
if (ret)
return ret;
if (dev->phydev) {
/*
* In phydev mode, we need still periodic polling for the
* preamble error checking, and we also need to call this
* function on every link state change.
*
* Only true RGMII ports need to be polled. In GMII mode, port
* 0 is really a RGMII port.
*/
if ((priv->imode == CVMX_HELPER_INTERFACE_MODE_GMII &&
priv->port == 0) ||
(priv->imode == CVMX_HELPER_INTERFACE_MODE_RGMII)) {
priv->poll = cvm_oct_check_preamble_errors;
cvm_oct_check_preamble_errors(dev);
}
}
return 0;
}
| linux-master | drivers/staging/octeon/ethernet-rgmii.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192U
*
* Based on the r8187 driver, which is:
* Copyright 2004-2005 Andrea Merello <[email protected]>, et al.
*
* Contact Information:
* Jerry chuang <[email protected]>
*/
#ifndef CONFIG_FORCE_HARD_FLOAT
double __floatsidf(int i)
{
return i;
}
unsigned int __fixunsdfsi(double d)
{
return d;
}
double __adddf3(double a, double b)
{
return a + b;
}
double __addsf3(float a, float b)
{
return a + b;
}
double __subdf3(double a, double b)
{
return a - b;
}
double __extendsfdf2(float a)
{
return a;
}
#endif
#define CONFIG_RTL8192_IO_MAP
#include <linux/uaccess.h>
#include "r8192U_hw.h"
#include "r8192U.h"
#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
#include "r8180_93cx6.h" /* Card EEPROM */
#include "r8192U_wx.h"
#include "r819xU_phy.h"
#include "r819xU_phyreg.h"
#include "r819xU_cmdpkt.h"
#include "r8192U_dm.h"
#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
/* FIXME: check if 2.6.7 is ok */
#include "ieee80211/dot11d.h"
/* set here to open your trace code. */
u32 rt_global_debug_component = COMP_DOWN |
COMP_SEC |
COMP_ERR; /* always open err flags on */
#define TOTAL_CAM_ENTRY 32
#define CAM_CONTENT_COUNT 8
static const struct usb_device_id rtl8192_usb_id_tbl[] = {
/* Realtek */
{USB_DEVICE(0x0bda, 0x8709)},
/* Corega */
{USB_DEVICE(0x07aa, 0x0043)},
/* Belkin */
{USB_DEVICE(0x050d, 0x805E)},
/* Sitecom */
{USB_DEVICE(0x0df6, 0x0031)},
/* EnGenius */
{USB_DEVICE(0x1740, 0x9201)},
/* Dlink */
{USB_DEVICE(0x2001, 0x3301)},
/* Zinwell */
{USB_DEVICE(0x5a57, 0x0290)},
/* LG */
{USB_DEVICE(0x043e, 0x7a01)},
{}
};
MODULE_LICENSE("GPL");
MODULE_VERSION("V 1.1");
MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
static char *ifname = "wlan%d";
static int hwwep = 1; /* default use hw. set 0 to use software security */
module_param(ifname, charp, 0644);
module_param(hwwep, int, 0644);
MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
static int rtl8192_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id);
static void rtl8192_usb_disconnect(struct usb_interface *intf);
static struct usb_driver rtl8192_usb_driver = {
.name = RTL819XU_MODULE_NAME, /* Driver name */
.id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
.probe = rtl8192_usb_probe, /* probe fn */
.disconnect = rtl8192_usb_disconnect, /* remove fn */
.suspend = NULL, /* PM suspend fn */
.resume = NULL, /* PM resume fn */
};
struct CHANNEL_LIST {
u8 Channel[32];
u8 Len;
};
static struct CHANNEL_LIST ChannelPlan[] = {
/* FCC */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
/* IC */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
/* ETSI */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
/* Spain. Change to ETSI. */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
/* France. Change to ETSI. */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
/* MKK */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
/* MKK1 */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
/* Israel. */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
/* For 11a , TELEC */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
/* MIC */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
/* For Global Domain. 1-11:active scan, 12-14 passive scan. */
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
};
static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
{
int i, max_chan = -1, min_chan = -1;
struct ieee80211_device *ieee = priv->ieee80211;
switch (channel_plan) {
case COUNTRY_CODE_FCC:
case COUNTRY_CODE_IC:
case COUNTRY_CODE_ETSI:
case COUNTRY_CODE_SPAIN:
case COUNTRY_CODE_FRANCE:
case COUNTRY_CODE_MKK:
case COUNTRY_CODE_MKK1:
case COUNTRY_CODE_ISRAEL:
case COUNTRY_CODE_TELEC:
case COUNTRY_CODE_MIC:
rtl8192u_dot11d_init(ieee);
ieee->bGlobalDomain = false;
/* actually 8225 & 8256 rf chips only support B,G,24N mode */
if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
min_chan = 1;
max_chan = 14;
} else {
RT_TRACE(COMP_ERR,
"unknown rf chip, can't set channel map in function:%s()\n",
__func__);
}
if (ChannelPlan[channel_plan].Len != 0) {
/* Clear old channel map */
memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
sizeof(GET_DOT11D_INFO(ieee)->channel_map));
/* Set new channel map */
for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
break;
GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
}
}
break;
case COUNTRY_CODE_GLOBAL_DOMAIN:
/* this flag enabled to follow 11d country IE setting,
* otherwise, it shall follow global domain settings.
*/
GET_DOT11D_INFO(ieee)->dot11d_enabled = 0;
dot11d_reset(ieee);
ieee->bGlobalDomain = true;
break;
default:
break;
}
}
static void CamResetAllEntry(struct net_device *dev)
{
u32 ulcommand = 0;
/* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
* associate to AP. However, ResetKey is called on
* OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
* condition, Cam can not be reset because upper layer will not set
* this static key again.
*/
ulcommand |= BIT(31) | BIT(30);
write_nic_dword(dev, RWCAM, ulcommand);
}
int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
indx | 0xfe00, 0, usbdata, 1, 500);
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx | 0xfe00, 0, usbdata, 1, 500);
*data = *usbdata;
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
/* as 92U has extend page from 4 to 16, so modify functions below. */
int write_nic_byte(struct net_device *dev, int indx, u8 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 1, 500);
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
return status;
}
return 0;
}
int write_nic_word(struct net_device *dev, int indx, u16 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 2, 500);
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
return status;
}
return 0;
}
int write_nic_dword(struct net_device *dev, int indx, u32 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
*usbdata = data;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 4, 500);
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_byte(struct net_device *dev, int indx, u8 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 1, 500);
*data = *usbdata;
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_word(struct net_device *dev, int indx, u16 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 2, 500);
*data = *usbdata;
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx | 0xfe00, 0, usbdata, 2, 500);
*data = *usbdata;
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_dword(struct net_device *dev, int indx, u32 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
if (!usbdata)
return -ENOMEM;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 4, 500);
*data = *usbdata;
kfree(usbdata);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
/* u8 read_phy_cck(struct net_device *dev, u8 adr); */
/* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
/* this might still called in what was the PHY rtl8185/rtl8192 common code
* plans are to possibility turn it again in one common code...
*/
inline void force_pci_posting(struct net_device *dev)
{
}
static struct net_device_stats *rtl8192_stats(struct net_device *dev);
static void rtl8192_restart(struct work_struct *work);
static void watch_dog_timer_callback(struct timer_list *t);
/****************************************************************************
* -----------------------------MISC STUFF-------------------------
*****************************************************************************/
short check_nic_enough_desc(struct net_device *dev, int queue_index)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int used = atomic_read(&priv->tx_pending[queue_index]);
return (used < MAX_TX_URB);
}
static void tx_timeout(struct net_device *dev, unsigned int txqueue)
{
struct r8192_priv *priv = ieee80211_priv(dev);
schedule_work(&priv->reset_wq);
}
void rtl8192_update_msr(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 msr;
read_nic_byte(dev, MSR, &msr);
msr &= ~MSR_LINK_MASK;
/* do not change in link_state != WLAN_LINK_ASSOCIATED.
* msr must be updated if the state is ASSOCIATING.
* this is intentional and make sense for ad-hoc and
* master (see the create BSS/IBSS func)
*/
if (priv->ieee80211->state == IEEE80211_LINKED) {
if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
} else {
msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
}
write_nic_byte(dev, MSR, msr);
}
void rtl8192_set_chan(struct net_device *dev, short ch)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
priv->chan = ch;
/* this hack should avoid frame TX during channel setting*/
/* need to implement rf set channel here */
if (priv->rf_set_chan)
priv->rf_set_chan(dev, priv->chan);
mdelay(10);
}
static void rtl8192_rx_isr(struct urb *urb);
static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
{
return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
+ pstats->RxBufShift);
}
void rtl8192_rx_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct urb *entry;
struct sk_buff *skb;
struct rtl8192_rx_info *info;
/* nomal packet rx procedure */
while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
if (!skb)
break;
entry = usb_alloc_urb(0, GFP_KERNEL);
if (!entry) {
kfree_skb(skb);
break;
}
usb_fill_bulk_urb(entry, priv->udev,
usb_rcvbulkpipe(priv->udev, 3),
skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *)skb->cb;
info->urb = entry;
info->dev = dev;
info->out_pipe = 3; /* denote rx normal packet queue */
skb_queue_tail(&priv->rx_queue, skb);
usb_submit_urb(entry, GFP_KERNEL);
}
/* command packet rx procedure */
while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
if (!skb)
break;
entry = usb_alloc_urb(0, GFP_KERNEL);
if (!entry) {
kfree_skb(skb);
break;
}
usb_fill_bulk_urb(entry, priv->udev,
usb_rcvbulkpipe(priv->udev, 9),
skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *)skb->cb;
info->urb = entry;
info->dev = dev;
info->out_pipe = 9; /* denote rx cmd packet queue */
skb_queue_tail(&priv->rx_queue, skb);
usb_submit_urb(entry, GFP_KERNEL);
}
}
void rtl8192_set_rxconf(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 rxconf;
read_nic_dword(dev, RCR, &rxconf);
rxconf = rxconf & ~MAC_FILTER_MASK;
rxconf = rxconf | RCR_AMF;
rxconf = rxconf | RCR_ADF;
rxconf = rxconf | RCR_AB;
rxconf = rxconf | RCR_AM;
if (dev->flags & IFF_PROMISC)
DMESG("NIC in promisc mode");
if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
dev->flags & IFF_PROMISC) {
rxconf = rxconf | RCR_AAP;
} else {
rxconf = rxconf | RCR_APM;
rxconf = rxconf | RCR_CBSSID;
}
if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
rxconf = rxconf | RCR_AICV;
rxconf = rxconf | RCR_APWRMGT;
}
if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
rxconf = rxconf | RCR_ACRC32;
rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
rxconf = rxconf & ~MAX_RX_DMA_MASK;
rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
rxconf = rxconf | RCR_ONLYERLPKT;
write_nic_dword(dev, RCR, rxconf);
}
void rtl8192_rtx_disable(struct net_device *dev)
{
u8 cmd;
struct r8192_priv *priv = ieee80211_priv(dev);
struct sk_buff *skb;
struct rtl8192_rx_info *info;
read_nic_byte(dev, CMDR, &cmd);
write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
force_pci_posting(dev);
mdelay(10);
while ((skb = __skb_dequeue(&priv->rx_queue))) {
info = (struct rtl8192_rx_info *)skb->cb;
if (!info->urb)
continue;
usb_kill_urb(info->urb);
kfree_skb(skb);
}
if (skb_queue_len(&priv->skb_queue))
netdev_warn(dev, "skb_queue not empty\n");
skb_queue_purge(&priv->skb_queue);
}
/* The prototype of rx_isr has changed since one version of Linux Kernel */
static void rtl8192_rx_isr(struct urb *urb)
{
struct sk_buff *skb = (struct sk_buff *)urb->context;
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
struct r8192_priv *priv = ieee80211_priv(dev);
int out_pipe = info->out_pipe;
int err;
if (!priv->up)
return;
if (unlikely(urb->status)) {
info->urb = NULL;
priv->stats.rxstaterr++;
priv->ieee80211->stats.rx_errors++;
usb_free_urb(urb);
return;
}
skb_unlink(skb, &priv->rx_queue);
skb_put(skb, urb->actual_length);
skb_queue_tail(&priv->skb_queue, skb);
tasklet_schedule(&priv->irq_rx_tasklet);
skb = dev_alloc_skb(RX_URB_SIZE);
if (unlikely(!skb)) {
usb_free_urb(urb);
netdev_err(dev, "%s(): can't alloc skb\n", __func__);
/* TODO check rx queue length and refill *somewhere* */
return;
}
usb_fill_bulk_urb(urb, priv->udev,
usb_rcvbulkpipe(priv->udev, out_pipe),
skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *)skb->cb;
info->urb = urb;
info->dev = dev;
info->out_pipe = out_pipe;
urb->transfer_buffer = skb_tail_pointer(skb);
urb->context = skb;
skb_queue_tail(&priv->rx_queue, skb);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err && err != -EPERM)
netdev_err(dev,
"can not submit rxurb, err is %x, URB status is %x\n",
err, urb->status);
}
static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
struct ieee80211_rx_stats *pstats)
{
u32 status;
status = cmpk_message_handle_rx(dev, pstats);
if (status)
DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
return status;
}
static void rtl8192_data_hard_stop(struct net_device *dev)
{
/* FIXME !! */
}
static void rtl8192_data_hard_resume(struct net_device *dev)
{
/* FIXME !! */
}
/* this function TX data frames when the ieee80211 stack requires this.
* It checks also if we need to stop the ieee tx queue, eventually do it
*/
static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
int rate)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
unsigned long flags;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
/* shall not be referred by command packet */
RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
spin_lock_irqsave(&priv->tx_lock, flags);
*(struct net_device **)(skb->cb) = dev;
tcb_desc->bTxEnableFwCalcDur = 1;
skb_push(skb, priv->ieee80211->tx_headroom);
rtl8192_tx(dev, skb);
spin_unlock_irqrestore(&priv->tx_lock, flags);
}
/* This is a rough attempt to TX a frame
* This is called by the ieee 80211 stack to TX management frames.
* If the ring is full packet are dropped (for data frame the queue
* is stopped before this can happen).
*/
static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int ret;
unsigned long flags;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
spin_lock_irqsave(&priv->tx_lock, flags);
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
if (queue_index == TXCMD_QUEUE) {
skb_push(skb, USB_HWDESC_HEADER_LEN);
rtl819xU_tx_cmd(dev, skb);
ret = 1;
} else {
skb_push(skb, priv->ieee80211->tx_headroom);
ret = rtl8192_tx(dev, skb);
}
spin_unlock_irqrestore(&priv->tx_lock, flags);
return ret;
}
static void rtl8192_tx_isr(struct urb *tx_urb)
{
struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
struct net_device *dev;
struct r8192_priv *priv = NULL;
struct cb_desc *tcb_desc;
u8 queue_index;
if (!skb)
return;
dev = *(struct net_device **)(skb->cb);
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
queue_index = tcb_desc->queue_index;
priv = ieee80211_priv(dev);
if (tcb_desc->queue_index != TXCMD_QUEUE) {
if (tx_urb->status == 0) {
netif_trans_update(dev);
priv->stats.txoktotal++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
priv->stats.txbytesunicast +=
(skb->len - priv->ieee80211->tx_headroom);
} else {
priv->ieee80211->stats.tx_errors++;
/* TODO */
}
}
/* free skb and tx_urb */
dev_kfree_skb_any(skb);
usb_free_urb(tx_urb);
atomic_dec(&priv->tx_pending[queue_index]);
/*
* Handle HW Beacon:
* We had transfer our beacon frame to host controller at this moment.
*
*
* Caution:
* Handling the wait queue of command packets.
* For Tx command packets, we must not do TCB fragment because it is
* not handled right now. We must cut the packets to match the size of
* TX_CMD_PKT before we send it.
*/
/* Handle MPDU in wait queue. */
if (queue_index != BEACON_QUEUE) {
/* Don't send data frame during scanning.*/
if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
(!(priv->ieee80211->queue_stop))) {
skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
if (skb)
priv->ieee80211->softmac_hard_start_xmit(skb,
dev);
return; /* avoid further processing AMSDU */
}
}
}
static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u8 i = 0, basic_rate = 0;
net = &priv->ieee80211->current_network;
for (i = 0; i < net->rates_len; i++) {
basic_rate = net->rates[i] & 0x7f;
switch (basic_rate) {
case MGN_1M:
*rate_config |= RRSR_1M;
break;
case MGN_2M:
*rate_config |= RRSR_2M;
break;
case MGN_5_5M:
*rate_config |= RRSR_5_5M;
break;
case MGN_11M:
*rate_config |= RRSR_11M;
break;
case MGN_6M:
*rate_config |= RRSR_6M;
break;
case MGN_9M:
*rate_config |= RRSR_9M;
break;
case MGN_12M:
*rate_config |= RRSR_12M;
break;
case MGN_18M:
*rate_config |= RRSR_18M;
break;
case MGN_24M:
*rate_config |= RRSR_24M;
break;
case MGN_36M:
*rate_config |= RRSR_36M;
break;
case MGN_48M:
*rate_config |= RRSR_48M;
break;
case MGN_54M:
*rate_config |= RRSR_54M;
break;
}
}
for (i = 0; i < net->rates_ex_len; i++) {
basic_rate = net->rates_ex[i] & 0x7f;
switch (basic_rate) {
case MGN_1M:
*rate_config |= RRSR_1M;
break;
case MGN_2M:
*rate_config |= RRSR_2M;
break;
case MGN_5_5M:
*rate_config |= RRSR_5_5M;
break;
case MGN_11M:
*rate_config |= RRSR_11M;
break;
case MGN_6M:
*rate_config |= RRSR_6M;
break;
case MGN_9M:
*rate_config |= RRSR_9M;
break;
case MGN_12M:
*rate_config |= RRSR_12M;
break;
case MGN_18M:
*rate_config |= RRSR_18M;
break;
case MGN_24M:
*rate_config |= RRSR_24M;
break;
case MGN_36M:
*rate_config |= RRSR_36M;
break;
case MGN_48M:
*rate_config |= RRSR_48M;
break;
case MGN_54M:
*rate_config |= RRSR_54M;
break;
}
}
}
#define SHORT_SLOT_TIME 9
#define NON_SHORT_SLOT_TIME 20
static void rtl8192_update_cap(struct net_device *dev, u16 cap)
{
u32 tmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net = &priv->ieee80211->current_network;
priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
tmp = priv->basic_rate;
if (priv->short_preamble)
tmp |= BRSR_AckShortPmb;
write_nic_dword(dev, RRSR, tmp);
if (net->mode & (IEEE_G | IEEE_N_24G)) {
u8 slot_time = 0;
if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
/* short slot time */
slot_time = SHORT_SLOT_TIME;
else /* long slot time */
slot_time = NON_SHORT_SLOT_TIME;
priv->slot_time = slot_time;
write_nic_byte(dev, SLOT_TIME, slot_time);
}
}
static void rtl8192_net_update(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
u16 rate_config = 0;
net = &priv->ieee80211->current_network;
rtl8192_config_rate(dev, &rate_config);
priv->basic_rate = rate_config & 0x15f;
write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
rtl8192_update_msr(dev);
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
write_nic_word(dev, ATIMWND, 2);
write_nic_word(dev, BCN_DMATIME, 1023);
write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
write_nic_byte(dev, BCN_ERR_THRESH, 100);
BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
/* TODO: BcnIFS may required to be changed on ASIC */
BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
}
}
/* temporary hw beacon is not used any more.
* open it when necessary
*/
void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
{
}
short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int status;
struct urb *tx_urb;
unsigned int idx_pipe;
struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
atomic_inc(&priv->tx_pending[queue_index]);
tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb) {
dev_kfree_skb(skb);
return -ENOMEM;
}
memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
/* Tx descriptor ought to be set according to the skb->cb */
pdesc->FirstSeg = 1;
pdesc->LastSeg = 1;
pdesc->CmdInit = tcb_desc->bCmdOrInit;
pdesc->TxBufferSize = tcb_desc->txbuf_size;
pdesc->OWN = 1;
pdesc->LINIP = tcb_desc->bLastIniPkt;
/*---------------------------------------------------------------------
* Fill up USB_OUT_CONTEXT.
*---------------------------------------------------------------------
*/
idx_pipe = 0x04;
usb_fill_bulk_urb(tx_urb, priv->udev,
usb_sndbulkpipe(priv->udev, idx_pipe),
skb->data, skb->len, rtl8192_tx_isr, skb);
status = usb_submit_urb(tx_urb, GFP_ATOMIC);
if (!status)
return 0;
DMESGE("Error TX CMD URB, error %d", status);
dev_kfree_skb(skb);
usb_free_urb(tx_urb);
return -1;
}
/*
* Mapping Software/Hardware descriptor queue id to "Queue Select Field"
* in TxFwInfo data structure
* 2006.10.30 by Emily
*
* \param QUEUEID Software Queue
*/
static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
{
u8 QueueSelect = 0x0; /* default set to */
switch (QueueID) {
case BE_QUEUE:
QueueSelect = QSLT_BE;
break;
case BK_QUEUE:
QueueSelect = QSLT_BK;
break;
case VO_QUEUE:
QueueSelect = QSLT_VO;
break;
case VI_QUEUE:
QueueSelect = QSLT_VI;
break;
case MGNT_QUEUE:
QueueSelect = QSLT_MGNT;
break;
case BEACON_QUEUE:
QueueSelect = QSLT_BEACON;
break;
/* TODO: mark other queue selection until we verify it is OK */
/* TODO: Remove Assertions */
case TXCMD_QUEUE:
QueueSelect = QSLT_CMD;
break;
case HIGH_QUEUE:
QueueSelect = QSLT_HIGH;
break;
default:
RT_TRACE(COMP_ERR,
"TransmitTCB(): Impossible Queue Selection: %d\n",
QueueID);
break;
}
return QueueSelect;
}
static u8 MRateToHwRate8190Pci(u8 rate)
{
u8 ret = DESC90_RATE1M;
switch (rate) {
case MGN_1M:
ret = DESC90_RATE1M;
break;
case MGN_2M:
ret = DESC90_RATE2M;
break;
case MGN_5_5M:
ret = DESC90_RATE5_5M;
break;
case MGN_11M:
ret = DESC90_RATE11M;
break;
case MGN_6M:
ret = DESC90_RATE6M;
break;
case MGN_9M:
ret = DESC90_RATE9M;
break;
case MGN_12M:
ret = DESC90_RATE12M;
break;
case MGN_18M:
ret = DESC90_RATE18M;
break;
case MGN_24M:
ret = DESC90_RATE24M;
break;
case MGN_36M:
ret = DESC90_RATE36M;
break;
case MGN_48M:
ret = DESC90_RATE48M;
break;
case MGN_54M:
ret = DESC90_RATE54M;
break;
/* HT rate since here */
case MGN_MCS0:
ret = DESC90_RATEMCS0;
break;
case MGN_MCS1:
ret = DESC90_RATEMCS1;
break;
case MGN_MCS2:
ret = DESC90_RATEMCS2;
break;
case MGN_MCS3:
ret = DESC90_RATEMCS3;
break;
case MGN_MCS4:
ret = DESC90_RATEMCS4;
break;
case MGN_MCS5:
ret = DESC90_RATEMCS5;
break;
case MGN_MCS6:
ret = DESC90_RATEMCS6;
break;
case MGN_MCS7:
ret = DESC90_RATEMCS7;
break;
case MGN_MCS8:
ret = DESC90_RATEMCS8;
break;
case MGN_MCS9:
ret = DESC90_RATEMCS9;
break;
case MGN_MCS10:
ret = DESC90_RATEMCS10;
break;
case MGN_MCS11:
ret = DESC90_RATEMCS11;
break;
case MGN_MCS12:
ret = DESC90_RATEMCS12;
break;
case MGN_MCS13:
ret = DESC90_RATEMCS13;
break;
case MGN_MCS14:
ret = DESC90_RATEMCS14;
break;
case MGN_MCS15:
ret = DESC90_RATEMCS15;
break;
case (0x80 | 0x20):
ret = DESC90_RATEMCS32;
break;
default:
break;
}
return ret;
}
static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
{
u8 tmp_Short;
tmp_Short = (TxHT == 1) ?
((tcb_desc->bUseShortGI) ? 1 : 0) :
((tcb_desc->bUseShortPreamble) ? 1 : 0);
if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
tmp_Short = 0;
return tmp_Short;
}
static void tx_zero_isr(struct urb *tx_urb)
{
}
/*
* The tx procedure is just as following,
* skb->cb will contain all the following information,
* priority, morefrag, rate, &dev.
*/
short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
struct tx_fwinfo_819x_usb *tx_fwinfo =
(struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
struct usb_device *udev = priv->udev;
int pend;
int status, rt = -1;
struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
unsigned int idx_pipe;
pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
/* we are locked here so the two atomic_read and inc are executed
* without interleaves
* !!! For debug purpose
*/
if (pend > MAX_TX_URB) {
netdev_dbg(dev, "To discard skb packet!\n");
dev_kfree_skb_any(skb);
return -1;
}
tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb) {
dev_kfree_skb_any(skb);
return -ENOMEM;
}
/* Fill Tx firmware info */
memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
/* DWORD 0 */
tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
tcb_desc);
if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
tx_fwinfo->AllowAggregation = 1;
/* DWORD 1 */
tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
} else {
tx_fwinfo->AllowAggregation = 0;
/* DWORD 1 */
tx_fwinfo->RxMF = 0;
tx_fwinfo->RxAMD = 0;
}
/* Protection mode related */
tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
(tcb_desc->bRTSUseShortGI ? 1 : 0);
/* Set Bandwidth and sub-channel settings. */
if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
if (tcb_desc->bPacketBW) {
tx_fwinfo->TxBandwidth = 1;
/* use duplicated mode */
tx_fwinfo->TxSubCarrier = 0;
} else {
tx_fwinfo->TxBandwidth = 0;
tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
}
} else {
tx_fwinfo->TxBandwidth = 0;
tx_fwinfo->TxSubCarrier = 0;
}
/* Fill Tx descriptor */
memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
/* DWORD 0 */
tx_desc->LINIP = 0;
tx_desc->CmdInit = 1;
tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8;
tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
/*DWORD 1*/
tx_desc->SecCAMID = 0;
tx_desc->RATid = tcb_desc->RATRIndex;
tx_desc->NoEnc = 1;
tx_desc->SecType = 0x0;
if (tcb_desc->bHwSec) {
switch (priv->ieee80211->pairwise_key_type) {
case KEY_TYPE_WEP40:
case KEY_TYPE_WEP104:
tx_desc->SecType = 0x1;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_TKIP:
tx_desc->SecType = 0x2;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_CCMP:
tx_desc->SecType = 0x3;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_NA:
tx_desc->SecType = 0x0;
tx_desc->NoEnc = 1;
break;
}
}
tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb);
tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
/* Fill fields that are required to be initialized in
* all of the descriptors
*/
/* DWORD 0 */
tx_desc->FirstSeg = 1;
tx_desc->LastSeg = 1;
tx_desc->OWN = 1;
/* DWORD 2 */
tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
idx_pipe = 0x5;
/* To submit bulk urb */
usb_fill_bulk_urb(tx_urb, udev,
usb_sndbulkpipe(udev, idx_pipe), skb->data,
skb->len, rtl8192_tx_isr, skb);
status = usb_submit_urb(tx_urb, GFP_ATOMIC);
if (!status) {
/* We need to send 0 byte packet whenever
* 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
* been transmitted. Otherwise, it will be halt to wait for
* another packet.
*/
bool bSend0Byte = false;
u8 zero = 0;
if (udev->speed == USB_SPEED_HIGH) {
if (skb->len > 0 && skb->len % 512 == 0)
bSend0Byte = true;
} else {
if (skb->len > 0 && skb->len % 64 == 0)
bSend0Byte = true;
}
if (bSend0Byte) {
tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb_zero) {
rt = -ENOMEM;
goto error;
}
usb_fill_bulk_urb(tx_urb_zero, udev,
usb_sndbulkpipe(udev, idx_pipe),
&zero, 0, tx_zero_isr, dev);
status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
if (status) {
RT_TRACE(COMP_ERR,
"Error TX URB for zero byte %d, error %d",
atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
status);
goto error;
}
}
netif_trans_update(dev);
atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
return 0;
}
RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
status);
error:
dev_kfree_skb_any(skb);
usb_free_urb(tx_urb);
usb_free_urb(tx_urb_zero);
return rt;
}
static short rtl8192_usb_initendpoints(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
GFP_KERNEL);
if (!priv->rx_urb)
return -ENOMEM;
#ifndef JACKSON_NEW_RX
for (i = 0; i < (MAX_RX_URB + 1); i++) {
priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!priv->rx_urb[i])
return -ENOMEM;
priv->rx_urb[i]->transfer_buffer =
kmalloc(RX_URB_SIZE, GFP_KERNEL);
if (!priv->rx_urb[i]->transfer_buffer)
return -ENOMEM;
priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
}
#endif
#ifdef THOMAS_BEACON
{
long align = 0;
void *oldaddr, *newaddr;
priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
if (!priv->rx_urb[16])
return -ENOMEM;
priv->oldaddr = kmalloc(16, GFP_KERNEL);
if (!priv->oldaddr)
return -ENOMEM;
oldaddr = priv->oldaddr;
align = ((long)oldaddr) & 3;
if (align) {
newaddr = oldaddr + 4 - align;
priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
} else {
newaddr = oldaddr;
priv->rx_urb[16]->transfer_buffer_length = 16;
}
priv->rx_urb[16]->transfer_buffer = newaddr;
}
#endif
memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
GFP_KERNEL);
if (!priv->pp_rxskb) {
kfree(priv->rx_urb);
priv->pp_rxskb = NULL;
priv->rx_urb = NULL;
DMESGE("Endpoint Alloc Failure");
return -ENOMEM;
}
netdev_dbg(dev, "End of initendpoints\n");
return 0;
}
#ifdef THOMAS_BEACON
static void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
int i;
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->rx_urb) {
for (i = 0; i < (MAX_RX_URB + 1); i++) {
usb_kill_urb(priv->rx_urb[i]);
usb_free_urb(priv->rx_urb[i]);
}
kfree(priv->rx_urb);
priv->rx_urb = NULL;
}
kfree(priv->oldaddr);
priv->oldaddr = NULL;
kfree(priv->pp_rxskb);
priv->pp_rxskb = NULL;
}
#else
void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
int i;
struct r8192_priv *priv = ieee80211_priv(dev);
#ifndef JACKSON_NEW_RX
if (priv->rx_urb) {
for (i = 0; i < (MAX_RX_URB + 1); i++) {
usb_kill_urb(priv->rx_urb[i]);
kfree(priv->rx_urb[i]->transfer_buffer);
usb_free_urb(priv->rx_urb[i]);
}
kfree(priv->rx_urb);
priv->rx_urb = NULL;
}
#else
kfree(priv->rx_urb);
priv->rx_urb = NULL;
kfree(priv->oldaddr);
priv->oldaddr = NULL;
kfree(priv->pp_rxskb);
priv->pp_rxskb = 0;
#endif
}
#endif
static void rtl8192_update_ratr_table(struct net_device *dev);
static void rtl8192_link_change(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
if (ieee->state == IEEE80211_LINKED) {
rtl8192_net_update(dev);
rtl8192_update_ratr_table(dev);
/* Add this as in pure N mode, wep encryption will use software
* way, but there is no chance to set this as wep will not set
* group key in wext.
*/
if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
ieee->pairwise_key_type == KEY_TYPE_WEP104)
EnableHWSecurityConfig8192(dev);
}
/*update timing params*/
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
u32 reg = 0;
read_nic_dword(dev, RCR, ®);
if (priv->ieee80211->state == IEEE80211_LINKED)
priv->ReceiveConfig = reg |= RCR_CBSSID;
else
priv->ReceiveConfig = reg &= ~RCR_CBSSID;
write_nic_dword(dev, RCR, reg);
}
}
static const struct ieee80211_qos_parameters def_qos_parameters = {
{cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
{cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
{2, 2, 2, 2},/* aifs */
{0, 0, 0, 0},/* flags */
{0, 0, 0, 0} /* tx_op_limit */
};
static void rtl8192_update_beacon(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv,
update_beacon_wq.work);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *net = &ieee->current_network;
if (ieee->pHTInfo->bCurrentHTSupport)
HTUpdateSelfAndPeerSetting(ieee, net);
ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
net->bssht.bdRT2RTLongSlotTime;
rtl8192_update_cap(dev, net->capability);
}
/*
* background support to run QoS activate functionality
*/
static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
EDCAPARA_VI, EDCAPARA_VO};
static void rtl8192_qos_activate(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv,
qos_activate);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_qos_parameters *qos_parameters =
&priv->ieee80211->current_network.qos_data.parameters;
u8 mode = priv->ieee80211->current_network.mode;
u32 u1bAIFS;
u32 u4bAcParam;
u32 op_limit;
u32 cw_max;
u32 cw_min;
int i;
mutex_lock(&priv->mutex);
if (priv->ieee80211->state != IEEE80211_LINKED)
goto success;
RT_TRACE(COMP_QOS,
"qos active process with associate response received\n");
/* It better set slot time at first
*
* For we just support b/g mode at present, let the slot time at
* 9/20 selection
*
* update the ac parameter to related registers
*/
for (i = 0; i < QOS_QUEUE_NUM; i++) {
/* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
}
success:
mutex_unlock(&priv->mutex);
}
static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
int active_network,
struct ieee80211_network *network)
{
int ret = 0;
u32 size = sizeof(struct ieee80211_qos_parameters);
if (priv->ieee80211->state != IEEE80211_LINKED)
return ret;
if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
return ret;
if (network->flags & NETWORK_HAS_QOS_MASK) {
if (active_network &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS))
network->qos_data.active = network->qos_data.supported;
if ((network->qos_data.active == 1) && (active_network == 1) &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
(network->qos_data.old_param_count !=
network->qos_data.param_count)) {
network->qos_data.old_param_count =
network->qos_data.param_count;
schedule_work(&priv->qos_activate);
RT_TRACE(COMP_QOS,
"QoS parameters change call qos_activate\n");
}
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&def_qos_parameters, size);
if ((network->qos_data.active == 1) && (active_network == 1)) {
schedule_work(&priv->qos_activate);
RT_TRACE(COMP_QOS,
"QoS was disabled call qos_activate\n");
}
network->qos_data.active = 0;
network->qos_data.supported = 0;
}
return 0;
}
/* handle and manage frame from beacon and probe response */
static int rtl8192_handle_beacon(struct net_device *dev,
struct ieee80211_beacon *beacon,
struct ieee80211_network *network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_handle_probe_response(priv, 1, network);
schedule_delayed_work(&priv->update_beacon_wq, 0);
return 0;
}
/*
* handling the beaconing responses. if we get different QoS setting
* off the network from the associated setting, adjust the QoS
* setting
*/
static int rtl8192_qos_association_resp(struct r8192_priv *priv,
struct ieee80211_network *network)
{
unsigned long flags;
u32 size = sizeof(struct ieee80211_qos_parameters);
int set_qos_param = 0;
if (!priv || !network)
return 0;
if (priv->ieee80211->state != IEEE80211_LINKED)
return 0;
if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
return 0;
spin_lock_irqsave(&priv->ieee80211->lock, flags);
if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&network->qos_data.parameters,
sizeof(struct ieee80211_qos_parameters));
priv->ieee80211->current_network.qos_data.active = 1;
set_qos_param = 1;
/* update qos parameter for current network */
priv->ieee80211->current_network.qos_data.old_param_count =
priv->ieee80211->current_network.qos_data.param_count;
priv->ieee80211->current_network.qos_data.param_count =
network->qos_data.param_count;
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&def_qos_parameters, size);
priv->ieee80211->current_network.qos_data.active = 0;
priv->ieee80211->current_network.qos_data.supported = 0;
set_qos_param = 1;
}
spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
network->flags,
priv->ieee80211->current_network.qos_data.active);
if (set_qos_param == 1)
schedule_work(&priv->qos_activate);
return 0;
}
static int rtl8192_handle_assoc_response(struct net_device *dev,
struct ieee80211_assoc_response_frame *resp,
struct ieee80211_network *network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_association_resp(priv, network);
return 0;
}
static void rtl8192_update_ratr_table(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
u32 ratr_value = 0;
u8 rate_index = 0;
rtl8192_config_rate(dev, (u16 *)(&ratr_value));
ratr_value |= (*(u16 *)(pMcsRate)) << 12;
switch (ieee->mode) {
case IEEE_A:
ratr_value &= 0x00000FF0;
break;
case IEEE_B:
ratr_value &= 0x0000000F;
break;
case IEEE_G:
ratr_value &= 0x00000FF7;
break;
case IEEE_N_24G:
case IEEE_N_5G:
if (ieee->pHTInfo->PeerMimoPs == MIMO_PS_STATIC) {
ratr_value &= 0x0007F007;
} else {
if (priv->rf_type == RF_1T2R)
ratr_value &= 0x000FF007;
else
ratr_value &= 0x0F81F007;
}
break;
default:
break;
}
ratr_value &= 0x0FFFFFFF;
if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
ratr_value |= 0x80000000;
else if (!ieee->pHTInfo->bCurTxBW40MHz &&
ieee->pHTInfo->bCurShortGI20MHz)
ratr_value |= 0x80000000;
write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
write_nic_byte(dev, UFWP, 1);
}
static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *network = &ieee->current_network;
int wpa_ie_len = ieee->wpa_ie_len;
struct ieee80211_crypt_data *crypt;
int encrypt;
crypt = ieee->crypt[ieee->tx_keyidx];
/* we use connecting AP's capability instead of only security config
* on our driver to distinguish whether it should use N mode or G mode
*/
encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
(ieee->host_encrypt && crypt && crypt->ops &&
(strcmp(crypt->ops->name, "WEP") == 0));
/* simply judge */
if (encrypt && (wpa_ie_len == 0)) {
/* wep encryption, no N mode setting */
return false;
} else if ((wpa_ie_len != 0)) {
/* parse pairwise key type */
if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
return true;
else
return false;
} else {
return true;
}
return true;
}
static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return priv->ieee80211->bHalfWirelessN24GMode;
}
static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
{
struct ieee80211_device *ieee = priv->ieee80211;
/* We do not consider set support rate for ABG mode, only
* HT MCS rate is set here.
*/
if (ieee->mode == WIRELESS_MODE_N_24G ||
ieee->mode == WIRELESS_MODE_N_5G)
memcpy(ieee->Regdot11HTOperationalRateSet,
ieee->RegHTSuppRateSet, 16);
else
memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
}
static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 ret = 0;
switch (priv->rf_chip) {
case RF_8225:
case RF_8256:
case RF_PSEUDO_11N:
ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
break;
case RF_8258:
ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
break;
default:
ret = WIRELESS_MODE_B;
break;
}
return ret;
}
static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
if (wireless_mode == WIRELESS_MODE_AUTO ||
(wireless_mode & bSupportMode) == 0) {
if (bSupportMode & WIRELESS_MODE_N_24G) {
wireless_mode = WIRELESS_MODE_N_24G;
} else if (bSupportMode & WIRELESS_MODE_N_5G) {
wireless_mode = WIRELESS_MODE_N_5G;
} else if ((bSupportMode & WIRELESS_MODE_A)) {
wireless_mode = WIRELESS_MODE_A;
} else if ((bSupportMode & WIRELESS_MODE_G)) {
wireless_mode = WIRELESS_MODE_G;
} else if ((bSupportMode & WIRELESS_MODE_B)) {
wireless_mode = WIRELESS_MODE_B;
} else {
RT_TRACE(COMP_ERR,
"%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
__func__, bSupportMode);
wireless_mode = WIRELESS_MODE_B;
}
}
priv->ieee80211->mode = wireless_mode;
if (wireless_mode == WIRELESS_MODE_N_24G ||
wireless_mode == WIRELESS_MODE_N_5G)
priv->ieee80211->pHTInfo->bEnableHT = 1;
else
priv->ieee80211->pHTInfo->bEnableHT = 0;
RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
rtl8192_refresh_supportrate(priv);
}
/* init priv variables here. only non_zero value should be initialized here. */
static int rtl8192_init_priv_variable(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 i;
priv->card_8192 = NIC_8192U;
priv->chan = 1; /* set to channel 1 */
priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
priv->ieee80211->iw_mode = IW_MODE_INFRA;
priv->ieee80211->ieee_up = 0;
priv->retry_rts = DEFAULT_RETRY_RTS;
priv->retry_data = DEFAULT_RETRY_DATA;
priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
priv->ieee80211->rate = 110; /* 11 mbps */
priv->ieee80211->short_slot = 1;
priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
priv->CckPwEnl = 6;
/* for silent reset */
priv->IrpPendingCount = 1;
priv->ResetProgress = RESET_TYPE_NORESET;
priv->bForcedSilentReset = false;
priv->bDisableNormalResetCheck = false;
priv->force_reset = false;
/* we don't use FW read/write RF until stable firmware is available. */
priv->ieee80211->FwRWRF = 0;
priv->ieee80211->current_network.beacon_interval =
DEFAULT_BEACONINTERVAL;
priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
IEEE_SOFTMAC_BEACONS;
priv->ieee80211->active_scan = 1;
priv->ieee80211->modulation =
IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
priv->ieee80211->host_encrypt = 1;
priv->ieee80211->host_decrypt = 1;
priv->ieee80211->start_send_beacons = NULL;
priv->ieee80211->stop_send_beacons = NULL;
priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
priv->ieee80211->set_chan = rtl8192_set_chan;
priv->ieee80211->link_change = rtl8192_link_change;
priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
priv->ieee80211->init_wmmparam_flag = 0;
priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
priv->ieee80211->qos_support = 1;
priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
GetHalfNmodeSupportByAPs819xUsb;
priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
priv->card_type = USB;
priv->ShortRetryLimit = 0x30;
priv->LongRetryLimit = 0x30;
priv->EarlyRxThreshold = 7;
priv->enable_gpio0 = 0;
priv->TransmitConfig =
/* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
(TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
/* Short retry limit */
(priv->ShortRetryLimit << TCR_SRL_OFFSET) |
/* Long retry limit */
(priv->LongRetryLimit << TCR_LRL_OFFSET) |
/* FALSE: HW provides PLCP length and LENGEXT
* TRUE: SW provides them
*/
(false ? TCR_SAT : 0);
priv->ReceiveConfig =
/* accept management/data */
RCR_AMF | RCR_ADF |
/* accept control frame for SW AP needs PS-poll */
RCR_ACF |
/* accept BC/MC/UC */
RCR_AB | RCR_AM | RCR_APM |
/* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
((u32)7 << RCR_MXDMA_OFFSET) |
/* Rx FIFO Threshold, 7: No Rx threshold. */
(priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
priv->AcmControl = 0;
priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
if (!priv->pFirmware)
return -ENOMEM;
/* rx related queue */
skb_queue_head_init(&priv->rx_queue);
skb_queue_head_init(&priv->skb_queue);
/* Tx related queue */
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
priv->rf_set_chan = rtl8192_phy_SwChnl;
return 0;
}
/* init lock here */
static void rtl8192_init_priv_lock(struct r8192_priv *priv)
{
spin_lock_init(&priv->tx_lock);
spin_lock_init(&priv->irq_lock);
mutex_init(&priv->wx_mutex);
mutex_init(&priv->mutex);
}
static void rtl819x_watchdog_wqcallback(struct work_struct *work);
static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t);
/* init tasklet and wait_queue here. only 2.6 above kernel is considered */
#define DRV_NAME "wlan0"
static void rtl8192_init_priv_task(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
INIT_WORK(&priv->reset_wq, rtl8192_restart);
INIT_DELAYED_WORK(&priv->watch_dog_wq,
rtl819x_watchdog_wqcallback);
INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
dm_txpower_trackingcallback);
INIT_DELAYED_WORK(&priv->rfpath_check_wq,
dm_rf_pathcheck_workitemcallback);
INIT_DELAYED_WORK(&priv->update_beacon_wq,
rtl8192_update_beacon);
INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
InitialGainOperateWorkItemCallBack);
INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
tasklet_setup(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet);
}
static void rtl8192_get_eeprom_size(struct net_device *dev)
{
u16 curCR = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
read_nic_word_E(dev, EPROM_CMD, &curCR);
RT_TRACE(COMP_EPROM,
"read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
/* whether need I consider BIT(5?) */
priv->epromtype =
(curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
RT_TRACE(COMP_EPROM,
"<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
}
/* used to swap endian. as ntohl & htonl are not necessary
* to swap endian, so use this instead.
*/
static inline u16 endian_swap(u16 *data)
{
u16 tmp = *data;
*data = (tmp >> 8) | (tmp << 8);
return *data;
}
static int rtl8192_read_eeprom_info(struct net_device *dev)
{
u16 wEPROM_ID = 0;
u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
u8 bLoad_From_EEPOM = false;
struct r8192_priv *priv = ieee80211_priv(dev);
u16 tmpValue = 0;
int i;
int ret;
RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
if (ret < 0)
return ret;
wEPROM_ID = (u16)ret;
RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
if (wEPROM_ID != RTL8190_EEPROM_ID)
RT_TRACE(COMP_ERR,
"EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
wEPROM_ID, RTL8190_EEPROM_ID);
else
bLoad_From_EEPOM = true;
if (bLoad_From_EEPOM) {
tmpValue = eprom_read(dev, EEPROM_VID >> 1);
ret = eprom_read(dev, EEPROM_VID >> 1);
if (ret < 0)
return ret;
tmpValue = (u16)ret;
priv->eeprom_vid = endian_swap(&tmpValue);
ret = eprom_read(dev, EEPROM_PID >> 1);
if (ret < 0)
return ret;
priv->eeprom_pid = (u16)ret;
ret = eprom_read(dev, EEPROM_CHANNEL_PLAN >> 1);
if (ret < 0)
return ret;
tmpValue = (u16)ret;
priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
priv->btxpowerdata_readfromEEPORM = true;
ret = eprom_read(dev, (EEPROM_CUSTOMER_ID >> 1)) >> 8;
if (ret < 0)
return ret;
priv->eeprom_CustomerID = (u16)ret;
} else {
priv->eeprom_vid = 0;
priv->eeprom_pid = 0;
priv->card_8192_version = VERSION_819XU_B;
priv->eeprom_ChannelPlan = 0;
priv->eeprom_CustomerID = 0;
}
RT_TRACE(COMP_EPROM,
"vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
priv->eeprom_ChannelPlan);
/* set channelplan from eeprom */
priv->ChannelPlan = priv->eeprom_ChannelPlan;
if (bLoad_From_EEPOM) {
u8 addr[ETH_ALEN];
for (i = 0; i < 6; i += 2) {
ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
if (ret < 0)
return ret;
*(u16 *)(&addr[i]) = (u16)ret;
}
eth_hw_addr_set(dev, addr);
} else {
eth_hw_addr_set(dev, bMac_Tmp_Addr);
/* should I set IDR0 here? */
}
RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
priv->rf_chip = RF_8256;
if (priv->card_8192_version == VERSION_819XU_A) {
/* read Tx power gain offset of legacy OFDM to HT rate */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_TX_POWER_DIFF >> 1));
if (ret < 0)
return ret;
priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
} else
priv->EEPROMTxPowerDiff = EEPROM_DEFAULT_TX_POWER;
RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
/* read ThermalMeter from EEPROM */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_THERMAL_METER >> 1));
if (ret < 0)
return ret;
priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
} else
priv->EEPROMThermalMeter = EEPROM_DEFAULT_THERNAL_METER;
RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
/* for tx power track */
priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
/* read antenna tx power offset of B/C/D to A from EEPROM */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_PW_DIFF >> 1));
if (ret < 0)
return ret;
priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
} else
priv->EEPROMPwDiff = EEPROM_DEFAULT_PW_DIFF;
RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
/* Read CrystalCap from EEPROM */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_CRYSTAL_CAP >> 1));
if (ret < 0)
return ret;
priv->EEPROMCrystalCap = (u16)ret & 0x0f;
} else
priv->EEPROMCrystalCap = EEPROM_DEFAULT_CRYSTAL_CAP;
RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
/* get per-channel Tx power level */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_VER >> 1));
if (ret < 0)
return ret;
priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
} else
priv->EEPROM_Def_Ver = 1;
RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK >> 1));
if (ret < 0)
return ret;
priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
} else
priv->EEPROMTxPowerLevelCCK = 0x10;
RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
for (i = 0; i < 3; i++) {
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G + i) >> 1);
if (ret < 0)
return ret;
if (((EEPROM_TX_PW_INDEX_OFDM_24G + i) % 2) == 0)
tmpValue = (u16)ret & 0x00ff;
else
tmpValue = ((u16)ret & 0xff00) >> 8;
} else {
tmpValue = 0x10;
}
priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
}
} else if (priv->EEPROM_Def_Ver == 1) {
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, EEPROM_TX_PW_INDEX_CCK_V1 >> 1);
if (ret < 0)
return ret;
tmpValue = ((u16)ret & 0xff00) >> 8;
} else {
tmpValue = 0x10;
}
priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
if (bLoad_From_EEPOM) {
ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK_V1 + 2) >> 1);
if (ret < 0)
return ret;
tmpValue = (u16)ret;
} else
tmpValue = 0x1010;
*((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
if (bLoad_From_EEPOM)
tmpValue = eprom_read(dev,
EEPROM_TX_PW_INDEX_OFDM_24G_V1 >> 1);
else
tmpValue = 0x1010;
*((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
if (bLoad_From_EEPOM)
tmpValue = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G_V1 + 2) >> 1);
else
tmpValue = 0x10;
priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
} /* endif EEPROM_Def_Ver == 1 */
/* update HAL variables */
for (i = 0; i < 14; i++) {
if (i <= 3)
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
else if (i >= 4 && i <= 9)
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
else
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
}
for (i = 0; i < 14; i++) {
if (priv->EEPROM_Def_Ver == 0) {
if (i <= 3)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
else if (i >= 4 && i <= 9)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
else
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
} else if (priv->EEPROM_Def_Ver == 1) {
if (i <= 3)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
else if (i >= 4 && i <= 9)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
else
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
}
}
priv->TxPowerDiff = priv->EEPROMPwDiff;
/* Antenna B gain offset to antenna A, bit0~3 */
priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
/* Antenna C gain offset to antenna A, bit4~7 */
priv->AntennaTxPwDiff[1] =
(priv->EEPROMTxPowerDiff & 0xf0) >> 4;
/* CrystalCap, bit12~15 */
priv->CrystalCap = priv->EEPROMCrystalCap;
/* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
* 92U does not enable TX power tracking.
*/
priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
} /* end if VersionID == VERSION_819XU_A */
/* for dlink led */
switch (priv->eeprom_CustomerID) {
case EEPROM_CID_RUNTOP:
priv->CustomerID = RT_CID_819x_RUNTOP;
break;
case EEPROM_CID_DLINK:
priv->CustomerID = RT_CID_DLINK;
break;
default:
priv->CustomerID = RT_CID_DEFAULT;
break;
}
switch (priv->CustomerID) {
case RT_CID_819x_RUNTOP:
priv->LedStrategy = SW_LED_MODE2;
break;
case RT_CID_DLINK:
priv->LedStrategy = SW_LED_MODE4;
break;
default:
priv->LedStrategy = SW_LED_MODE0;
break;
}
if (priv->rf_type == RF_1T2R)
RT_TRACE(COMP_EPROM, "\n1T2R config\n");
else
RT_TRACE(COMP_EPROM, "\n2T4R config\n");
/* We can only know RF type in the function. So we have to init
* DIG RATR table again.
*/
init_rate_adaptive(dev);
RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
return 0;
}
static short rtl8192_get_channel_map(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
netdev_err(dev,
"rtl8180_init: Error channel plan! Set to default.\n");
priv->ChannelPlan = 0;
}
RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
rtl819x_set_channel_map(priv->ChannelPlan, priv);
return 0;
}
static short rtl8192_init(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int err;
memset(&(priv->stats), 0, sizeof(struct Stats));
memset(priv->txqueue_to_outpipemap, 0, 9);
#ifdef PIPE12
{
int i = 0;
static const u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
}
#else
{
static const u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
}
#endif
err = rtl8192_init_priv_variable(dev);
if (err)
return err;
rtl8192_init_priv_lock(priv);
rtl8192_init_priv_task(dev);
rtl8192_get_eeprom_size(dev);
err = rtl8192_read_eeprom_info(dev);
if (err) {
DMESG("Reading EEPROM info failed");
return err;
}
rtl8192_get_channel_map(dev);
init_hal_dm(dev);
timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
if (rtl8192_usb_initendpoints(dev) != 0) {
DMESG("Endopoints initialization failed");
return -ENOMEM;
}
return 0;
}
/******************************************************************************
*function: This function actually only set RRSR, RATR and BW_OPMODE registers
* not to do all the hw config as its name says
* input: net_device dev
* output: none
* return: none
* notice: This part need to modified according to the rate set we filtered
* ****************************************************************************/
static void rtl8192_hwconfig(struct net_device *dev)
{
u32 regRATR = 0, regRRSR = 0;
u8 regBwOpMode = 0, regTmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
u32 ratr_value = 0;
/* Set RRSR, RATR, and BW_OPMODE registers */
switch (priv->ieee80211->mode) {
case WIRELESS_MODE_B:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK;
regRRSR = RATE_ALL_CCK;
break;
case WIRELESS_MODE_A:
regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
regRATR = RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_G:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_AUTO:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_N_24G:
/* It support CCK rate by default. CCK rate will be filtered
* out only when associated AP does not support it.
*/
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_N_5G:
regBwOpMode = BW_OPMODE_5G;
regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
RATE_ALL_OFDM_2SS;
regRRSR = RATE_ALL_OFDM_AG;
break;
}
write_nic_byte(dev, BW_OPMODE, regBwOpMode);
ratr_value = regRATR;
if (priv->rf_type == RF_1T2R)
ratr_value &= ~(RATE_ALL_OFDM_2SS);
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);
read_nic_byte(dev, 0x313, ®Tmp);
regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
write_nic_dword(dev, RRSR, regRRSR);
/* Set Retry Limit here */
write_nic_word(dev, RETRY_LIMIT,
priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
/* Set Contention Window here */
/* Set Tx AGC */
/* Set Tx Antenna including Feedback control */
/* Set Auto Rate fallback control */
}
/* InitializeAdapter and PhyCfg */
static bool rtl8192_adapter_start(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 dwRegRead = 0;
bool init_status = true;
u8 SECR_value = 0x0;
u8 tmp;
RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
priv->Rf_Mode = RF_OP_By_SW_3wire;
/* for ASIC power on sequence */
write_nic_byte_E(dev, 0x5f, 0x80);
mdelay(50);
write_nic_byte_E(dev, 0x5f, 0xf0);
write_nic_byte_E(dev, 0x5d, 0x00);
write_nic_byte_E(dev, 0x5e, 0x80);
write_nic_byte(dev, 0x17, 0x37);
mdelay(10);
priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
/* config CPUReset Register */
/* Firmware Reset or not? */
read_nic_dword(dev, CPU_GEN, &dwRegRead);
dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
write_nic_dword(dev, CPU_GEN, dwRegRead);
/* config BB. */
rtl8192_BBConfig(dev);
/* Loopback mode or not */
priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
read_nic_dword(dev, CPU_GEN, &dwRegRead);
if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
CPU_GEN_NO_LOOPBACK_SET;
else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
dwRegRead |= CPU_CCK_LOOPBACK;
else
RT_TRACE(COMP_ERR,
"Serious error in %s(): wrong loopback mode setting(%d)\n",
__func__, priv->LoopbackMode);
write_nic_dword(dev, CPU_GEN, dwRegRead);
/* after reset cpu, we need wait for a seconds to write in register. */
udelay(500);
/* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
read_nic_byte_E(dev, 0x5f, &tmp);
write_nic_byte_E(dev, 0x5f, tmp | 0x20);
/* Set Hardware */
rtl8192_hwconfig(dev);
/* turn on Tx/Rx */
write_nic_byte(dev, CMDR, CR_RE | CR_TE);
/* set IDR0 here */
write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
/* set RCR */
write_nic_dword(dev, RCR, priv->ReceiveConfig);
/* Initialize Number of Reserved Pages in Firmware Queue */
write_nic_dword(dev, RQPN1,
NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
write_nic_dword(dev, RQPN2,
NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
write_nic_dword(dev, RQPN3,
APPLIED_RESERVED_QUEUE_IN_FW |
NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
/* Set AckTimeout */
/* TODO: (it value is only for FPGA version). need to be changed!! */
write_nic_byte(dev, ACK_TIMEOUT, 0x30);
if (priv->ResetProgress == RESET_TYPE_NORESET)
rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
if (priv->ResetProgress == RESET_TYPE_NORESET) {
CamResetAllEntry(dev);
SECR_value |= SCR_TxEncEnable;
SECR_value |= SCR_RxDecEnable;
SECR_value |= SCR_NoSKMC;
write_nic_byte(dev, SECR, SECR_value);
}
/* Beacon related */
write_nic_word(dev, ATIMWND, 2);
write_nic_word(dev, BCN_INTERVAL, 100);
#define DEFAULT_EDCA 0x005e4332
{
int i;
for (i = 0; i < QOS_QUEUE_NUM; i++)
write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
}
rtl8192_phy_configmac(dev);
if (priv->card_8192_version == VERSION_819XU_A) {
rtl8192_phy_getTxPower(dev);
rtl8192_phy_setTxPower(dev, priv->chan);
}
/* Firmware download */
init_status = init_firmware(dev);
if (!init_status) {
RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
__func__);
return init_status;
}
RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
/* config RF. */
if (priv->ResetProgress == RESET_TYPE_NORESET) {
rtl8192_phy_RFConfig(dev);
RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
}
if (priv->ieee80211->FwRWRF)
/* We can force firmware to do RF-R/W */
priv->Rf_Mode = RF_OP_By_FW;
else
priv->Rf_Mode = RF_OP_By_SW_3wire;
rtl8192_phy_updateInitGain(dev);
/*--set CCK and OFDM Block "ON"--*/
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
if (priv->ResetProgress == RESET_TYPE_NORESET) {
/* if D or C cut */
u8 tmpvalue;
read_nic_byte(dev, 0x301, &tmpvalue);
if (tmpvalue == 0x03) {
priv->bDcut = true;
RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
} else {
priv->bDcut = false;
RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
}
dm_initialize_txpower_tracking(dev);
if (priv->bDcut) {
u32 i, TempCCk;
u32 tmpRegA = rtl8192_QueryBBReg(dev,
rOFDM0_XATxIQImbalance,
bMaskDWord);
for (i = 0; i < TxBBGainTableLength; i++) {
if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
priv->rfa_txpowertrackingindex = (u8)i;
priv->rfa_txpowertrackingindex_real =
(u8)i;
priv->rfa_txpowertracking_default =
priv->rfa_txpowertrackingindex;
break;
}
}
TempCCk = rtl8192_QueryBBReg(dev,
rCCK0_TxFilter1,
bMaskByte2);
for (i = 0; i < CCKTxBBGainTableLength; i++) {
if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
priv->cck_present_attenuation_20Mdefault = (u8)i;
break;
}
}
priv->cck_present_attenuation_40Mdefault = 0;
priv->cck_present_attenuation_difference = 0;
priv->cck_present_attenuation =
priv->cck_present_attenuation_20Mdefault;
}
}
write_nic_byte(dev, 0x87, 0x0);
return init_status;
}
/* this configures registers for beacon tx and enables it via
* rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
* be used to stop beacon transmission
*/
/***************************************************************************
* -------------------------------NET STUFF---------------------------
***************************************************************************/
static struct net_device_stats *rtl8192_stats(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return &priv->ieee80211->stats;
}
static bool HalTxCheckStuck819xUsb(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u16 RegTxCounter;
bool bStuck = false;
read_nic_word(dev, 0x128, &RegTxCounter);
RT_TRACE(COMP_RESET,
"%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
RegTxCounter, priv->TxCounter);
if (priv->TxCounter == RegTxCounter)
bStuck = true;
priv->TxCounter = RegTxCounter;
return bStuck;
}
/*
* <Assumption: RT_TX_SPINLOCK is acquired.>
* First added: 2006.11.19 by emily
*/
static RESET_TYPE TxCheckStuck(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 QueueID;
bool bCheckFwTxCnt = false;
/* Decide such threshold according to current power save mode */
for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
if (QueueID == TXCMD_QUEUE)
continue;
if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
continue;
bCheckFwTxCnt = true;
}
if (bCheckFwTxCnt) {
if (HalTxCheckStuck819xUsb(dev)) {
RT_TRACE(COMP_RESET,
"%s: Fw indicates no Tx condition!\n",
__func__);
return RESET_TYPE_SILENT;
}
}
return RESET_TYPE_NORESET;
}
static bool HalRxCheckStuck819xUsb(struct net_device *dev)
{
u16 RegRxCounter;
struct r8192_priv *priv = ieee80211_priv(dev);
bool bStuck = false;
static u8 rx_chk_cnt;
read_nic_word(dev, 0x130, &RegRxCounter);
RT_TRACE(COMP_RESET,
"%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
RegRxCounter, priv->RxCounter);
/* If rssi is small, we should check rx for long time because of bad rx.
* or maybe it will continuous silent reset every 2 seconds.
*/
rx_chk_cnt++;
if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
} else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
if (rx_chk_cnt < 2)
return bStuck;
rx_chk_cnt = 0;
} else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
if (rx_chk_cnt < 4)
return bStuck;
rx_chk_cnt = 0;
} else {
if (rx_chk_cnt < 8)
return bStuck;
rx_chk_cnt = 0;
}
if (priv->RxCounter == RegRxCounter)
bStuck = true;
priv->RxCounter = RegRxCounter;
return bStuck;
}
static RESET_TYPE RxCheckStuck(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
bool bRxCheck = false;
if (priv->IrpPendingCount > 1)
bRxCheck = true;
if (bRxCheck) {
if (HalRxCheckStuck819xUsb(dev)) {
RT_TRACE(COMP_RESET, "RxStuck Condition\n");
return RESET_TYPE_SILENT;
}
}
return RESET_TYPE_NORESET;
}
/*
* This function is called by Checkforhang to check whether we should
* ask OS to reset driver
*
* Note:NIC with USB interface sholud not call this function because we
* cannot scan descriptor to judge whether there is tx stuck.
* Note: This function may be required to be rewrite for Vista OS.
* <<<Assumption: Tx spinlock has been acquired >>>
*
* 8185 and 8185b does not implement this function.
*/
static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RESET_TYPE TxResetType = RESET_TYPE_NORESET;
RESET_TYPE RxResetType = RESET_TYPE_NORESET;
RT_RF_POWER_STATE rfState;
rfState = priv->ieee80211->eRFPowerState;
TxResetType = TxCheckStuck(dev);
if (rfState != eRfOff ||
(priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
/* If driver is in the status of firmware download failure,
* driver skips RF initialization and RF is in turned off
* state. Driver should check whether Rx stuck and do silent
* reset. And if driver is in firmware download failure status,
* driver should initialize RF in the following silent reset
* procedure
*
* Driver should not check RX stuck in IBSS mode because it is
* required to set Check BSSID in order to send beacon,
* however, if check BSSID is set, STA cannot hear any packet
* at all.
*/
RxResetType = RxCheckStuck(dev);
}
if (TxResetType == RESET_TYPE_NORMAL ||
RxResetType == RESET_TYPE_NORMAL) {
return RESET_TYPE_NORMAL;
} else if (TxResetType == RESET_TYPE_SILENT ||
RxResetType == RESET_TYPE_SILENT) {
RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
return RESET_TYPE_SILENT;
} else {
return RESET_TYPE_NORESET;
}
}
static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
static int _rtl8192_up(struct net_device *dev);
static int rtl8192_close(struct net_device *dev);
static void CamRestoreAllEntry(struct net_device *dev)
{
u8 EntryId = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
u8 *MacAddr = priv->ieee80211->current_network.bssid;
static u8 CAM_CONST_ADDR[4][6] = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
static u8 CAM_CONST_BROAD[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
RT_TRACE(COMP_SEC, "%s:\n", __func__);
if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
(priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
for (EntryId = 0; EntryId < 4; EntryId++) {
MacAddr = CAM_CONST_ADDR[EntryId];
setKey(dev, EntryId, EntryId,
priv->ieee80211->pairwise_key_type,
MacAddr, 0, NULL);
}
} else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
(const u8 *)dev->dev_addr, 0, NULL);
else
setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
MacAddr, 0, NULL);
} else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
(const u8 *)dev->dev_addr, 0, NULL);
else
setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
MacAddr, 0, NULL);
}
if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
MacAddr = CAM_CONST_BROAD;
for (EntryId = 1; EntryId < 4; EntryId++) {
setKey(dev, EntryId, EntryId,
priv->ieee80211->group_key_type,
MacAddr, 0, NULL);
}
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev, 0, 0, priv->ieee80211->group_key_type,
CAM_CONST_ADDR[0], 0, NULL);
} else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
MacAddr = CAM_CONST_BROAD;
for (EntryId = 1; EntryId < 4; EntryId++) {
setKey(dev, EntryId, EntryId,
priv->ieee80211->group_key_type,
MacAddr, 0, NULL);
}
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev, 0, 0, priv->ieee80211->group_key_type,
CAM_CONST_ADDR[0], 0, NULL);
}
}
/* This function is used to fix Tx/Rx stop bug temporarily.
* This function will do "system reset" to NIC when Tx or Rx is stuck.
* The method checking Tx/Rx stuck of this function is supported by FW,
* which reports Tx and Rx counter to register 0x128 and 0x130.
*/
static void rtl819x_ifsilentreset(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 reset_times = 0;
int reset_status = 0;
struct ieee80211_device *ieee = priv->ieee80211;
/* If we need to check CCK stop, please uncomment this line. */
/* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
if (priv->ResetProgress == RESET_TYPE_NORESET) {
RESET_START:
RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
/* Set the variable for reset. */
priv->ResetProgress = RESET_TYPE_SILENT;
mutex_lock(&priv->wx_mutex);
if (priv->up == 0) {
RT_TRACE(COMP_ERR,
"%s():the driver is not up! return\n",
__func__);
mutex_unlock(&priv->wx_mutex);
return;
}
priv->up = 0;
RT_TRACE(COMP_RESET,
"%s():======>start to down the driver\n",
__func__);
rtl8192_rtx_disable(dev);
rtl8192_cancel_deferred_work(priv);
deinit_hal_dm(dev);
del_timer_sync(&priv->watch_dog_timer);
ieee->sync_scan_hurryup = 1;
if (ieee->state == IEEE80211_LINKED) {
mutex_lock(&ieee->wx_mutex);
netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
ieee80211_stop_send_beacons(priv->ieee80211);
del_timer_sync(&ieee->associate_timer);
cancel_delayed_work(&ieee->associate_retry_wq);
ieee80211_stop_scan(ieee);
netif_carrier_off(dev);
mutex_unlock(&ieee->wx_mutex);
} else {
netdev_dbg(dev, "ieee->state is NOT LINKED\n");
ieee80211_softmac_stop_protocol(priv->ieee80211);
}
mutex_unlock(&priv->wx_mutex);
RT_TRACE(COMP_RESET,
"%s():<==========down process is finished\n",
__func__);
RT_TRACE(COMP_RESET,
"%s():===========>start up the driver\n",
__func__);
reset_status = _rtl8192_up(dev);
RT_TRACE(COMP_RESET,
"%s():<===========up process is finished\n",
__func__);
if (reset_status == -EAGAIN) {
if (reset_times < 3) {
reset_times++;
goto RESET_START;
} else {
RT_TRACE(COMP_ERR,
" ERR!!! %s(): Reset Failed!!\n",
__func__);
}
}
ieee->is_silent_reset = 1;
EnableHWSecurityConfig8192(dev);
if (ieee->state == IEEE80211_LINKED &&
ieee->iw_mode == IW_MODE_INFRA) {
ieee->set_chan(ieee->dev,
ieee->current_network.channel);
queue_work(ieee->wq, &ieee->associate_complete_wq);
} else if (ieee->state == IEEE80211_LINKED &&
ieee->iw_mode == IW_MODE_ADHOC) {
ieee->set_chan(ieee->dev,
ieee->current_network.channel);
ieee->link_change(ieee->dev);
ieee80211_start_send_beacons(ieee);
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
CamRestoreAllEntry(dev);
priv->ResetProgress = RESET_TYPE_NORESET;
priv->reset_count++;
priv->bForcedSilentReset = false;
priv->bResetInProgress = false;
/* For test --> force write UFWP. */
write_nic_byte(dev, UFWP, 1);
RT_TRACE(COMP_RESET,
"Reset finished!! ====>[%d]\n",
priv->reset_count);
}
}
static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
u32 *TotalRxDataNum)
{
u16 SlotIndex;
u16 i;
*TotalRxBcnNum = 0;
*TotalRxDataNum = 0;
SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
(priv->ieee80211->LinkDetectInfo.SlotNum);
priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
*TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
*TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
}
}
static void rtl819x_watchdog_wqcallback(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct r8192_priv *priv = container_of(dwork,
struct r8192_priv, watch_dog_wq);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_device *ieee = priv->ieee80211;
RESET_TYPE ResetType = RESET_TYPE_NORESET;
static u8 check_reset_cnt;
bool bBusyTraffic = false;
u32 TotalRxBcnNum = 0;
u32 TotalRxDataNum = 0;
if (!priv->up)
return;
hal_dm_watchdog(dev);
/* to get busy traffic condition */
if (ieee->state == IEEE80211_LINKED) {
if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
bBusyTraffic = true;
}
ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
}
/* for AP roaming */
if (priv->ieee80211->state == IEEE80211_LINKED &&
priv->ieee80211->iw_mode == IW_MODE_INFRA) {
rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
#ifdef TODO
if (rfState == eRfOff)
RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
#endif
netdev_dbg(dev,
"===>%s(): AP is power off, connect another one\n",
__func__);
priv->ieee80211->state = IEEE80211_ASSOCIATING;
notify_wx_assoc_event(priv->ieee80211);
RemovePeerTS(priv->ieee80211,
priv->ieee80211->current_network.bssid);
priv->ieee80211->link_change(dev);
queue_work(priv->ieee80211->wq,
&priv->ieee80211->associate_procedure_wq);
}
}
priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
/* check if reset the driver */
if (check_reset_cnt++ >= 3) {
ResetType = rtl819x_ifcheck_resetornot(dev);
check_reset_cnt = 3;
}
/* This is control by OID set in Pomelo */
if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
(priv->bForcedSilentReset ||
(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
RT_TRACE(COMP_RESET,
"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
__func__, priv->force_reset, priv->ResetProgress,
priv->bForcedSilentReset,
priv->bDisableNormalResetCheck, ResetType);
rtl819x_ifsilentreset(dev);
}
priv->force_reset = false;
priv->bForcedSilentReset = false;
priv->bResetInProgress = false;
RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
}
static void watch_dog_timer_callback(struct timer_list *t)
{
struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
schedule_delayed_work(&priv->watch_dog_wq, 0);
mod_timer(&priv->watch_dog_timer,
jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
}
static int _rtl8192_up(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int init_status = 0;
priv->up = 1;
priv->ieee80211->ieee_up = 1;
RT_TRACE(COMP_INIT, "Bringing up iface");
init_status = rtl8192_adapter_start(dev);
if (!init_status) {
RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
__func__);
priv->up = priv->ieee80211->ieee_up = 0;
return -EAGAIN;
}
RT_TRACE(COMP_INIT, "start adapter finished\n");
rtl8192_rx_enable(dev);
if (priv->ieee80211->state != IEEE80211_LINKED)
ieee80211_softmac_start_protocol(priv->ieee80211);
ieee80211_reset_queue(priv->ieee80211);
watch_dog_timer_callback(&priv->watch_dog_timer);
if (!netif_queue_stopped(dev))
netif_start_queue(dev);
else
netif_wake_queue(dev);
return 0;
}
static int rtl8192_open(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
mutex_lock(&priv->wx_mutex);
ret = rtl8192_up(dev);
mutex_unlock(&priv->wx_mutex);
return ret;
}
int rtl8192_up(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->up == 1)
return -1;
return _rtl8192_up(dev);
}
static int rtl8192_close(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
mutex_lock(&priv->wx_mutex);
ret = rtl8192_down(dev);
mutex_unlock(&priv->wx_mutex);
return ret;
}
int rtl8192_down(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int i;
if (priv->up == 0)
return -1;
priv->up = 0;
priv->ieee80211->ieee_up = 0;
RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
/* FIXME */
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
rtl8192_rtx_disable(dev);
/* Tx related queue release */
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
/* as cancel_delayed_work will del work->timer, so if work is not
* defined as struct delayed_work, it will corrupt
*/
rtl8192_cancel_deferred_work(priv);
deinit_hal_dm(dev);
del_timer_sync(&priv->watch_dog_timer);
ieee80211_softmac_stop_protocol(priv->ieee80211);
memset(&priv->ieee80211->current_network, 0,
offsetof(struct ieee80211_network, list));
RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
return 0;
}
void rtl8192_commit(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->up == 0)
return;
priv->up = 0;
rtl8192_cancel_deferred_work(priv);
del_timer_sync(&priv->watch_dog_timer);
ieee80211_softmac_stop_protocol(priv->ieee80211);
rtl8192_rtx_disable(dev);
_rtl8192_up(dev);
}
static void rtl8192_restart(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv,
reset_wq);
struct net_device *dev = priv->ieee80211->dev;
mutex_lock(&priv->wx_mutex);
rtl8192_commit(dev);
mutex_unlock(&priv->wx_mutex);
}
static void r8192_set_multicast(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
short promisc;
/* FIXME FIXME */
promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
if (promisc != priv->promisc)
priv->promisc = promisc;
}
static int r8192_set_mac_adr(struct net_device *dev, void *mac)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct sockaddr *addr = mac;
mutex_lock(&priv->wx_mutex);
eth_hw_addr_set(dev, addr->sa_data);
schedule_work(&priv->reset_wq);
mutex_unlock(&priv->wx_mutex);
return 0;
}
/* based on ipw2200 driver */
static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct iwreq *wrq = (struct iwreq *)rq;
int ret = -1;
struct ieee80211_device *ieee = priv->ieee80211;
u32 key[4];
u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct iw_point *p = &wrq->u.data;
struct ieee_param *ipw = NULL;
mutex_lock(&priv->wx_mutex);
if (p->length < sizeof(struct ieee_param) || !p->pointer) {
ret = -EINVAL;
goto out;
}
ipw = memdup_user(p->pointer, p->length);
if (IS_ERR(ipw)) {
ret = PTR_ERR(ipw);
goto out;
}
switch (cmd) {
case RTL_IOCTL_WPA_SUPPLICANT:
/* parse here for HW security */
if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
if (ipw->u.crypt.set_tx) {
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
ieee->pairwise_key_type = KEY_TYPE_CCMP;
} else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
ieee->pairwise_key_type = KEY_TYPE_TKIP;
} else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
if (ipw->u.crypt.key_len == 13)
ieee->pairwise_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->pairwise_key_type = KEY_TYPE_WEP40;
} else {
ieee->pairwise_key_type = KEY_TYPE_NA;
}
if (ieee->pairwise_key_type) {
memcpy((u8 *)key, ipw->u.crypt.key, 16);
EnableHWSecurityConfig8192(dev);
/* We fill both index entry and 4th
* entry for pairwise key as in IPW
* interface, adhoc will only get here,
* so we need index entry for its
* default key serching!
*/
setKey(dev, 4, ipw->u.crypt.idx,
ieee->pairwise_key_type,
(u8 *)ieee->ap_mac_addr,
0, key);
if (ieee->auth_mode != 2)
setKey(dev, ipw->u.crypt.idx,
ipw->u.crypt.idx,
ieee->pairwise_key_type,
(u8 *)ieee->ap_mac_addr,
0, key);
}
} else {
memcpy((u8 *)key, ipw->u.crypt.key, 16);
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
ieee->group_key_type = KEY_TYPE_CCMP;
} else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
ieee->group_key_type = KEY_TYPE_TKIP;
} else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
if (ipw->u.crypt.key_len == 13)
ieee->group_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->group_key_type = KEY_TYPE_WEP40;
} else {
ieee->group_key_type = KEY_TYPE_NA;
}
if (ieee->group_key_type) {
setKey(dev, ipw->u.crypt.idx,
/* KeyIndex */
ipw->u.crypt.idx,
/* KeyType */
ieee->group_key_type,
/* MacAddr */
broadcast_addr,
/* DefaultKey */
0,
/* KeyContent */
key);
}
}
}
ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
&wrq->u.data);
break;
default:
ret = -EOPNOTSUPP;
break;
}
kfree(ipw);
ipw = NULL;
out:
mutex_unlock(&priv->wx_mutex);
return ret;
}
static u8 HwRateToMRate90(bool bIsHT, u8 rate)
{
u8 ret_rate = 0xff;
if (!bIsHT) {
switch (rate) {
case DESC90_RATE1M:
ret_rate = MGN_1M;
break;
case DESC90_RATE2M:
ret_rate = MGN_2M;
break;
case DESC90_RATE5_5M:
ret_rate = MGN_5_5M;
break;
case DESC90_RATE11M:
ret_rate = MGN_11M;
break;
case DESC90_RATE6M:
ret_rate = MGN_6M;
break;
case DESC90_RATE9M:
ret_rate = MGN_9M;
break;
case DESC90_RATE12M:
ret_rate = MGN_12M;
break;
case DESC90_RATE18M:
ret_rate = MGN_18M;
break;
case DESC90_RATE24M:
ret_rate = MGN_24M;
break;
case DESC90_RATE36M:
ret_rate = MGN_36M;
break;
case DESC90_RATE48M:
ret_rate = MGN_48M;
break;
case DESC90_RATE54M:
ret_rate = MGN_54M;
break;
default:
ret_rate = 0xff;
RT_TRACE(COMP_RECV,
"%s: Non supported Rate [%x], bIsHT = %d!!!\n",
__func__, rate, bIsHT);
break;
}
} else {
switch (rate) {
case DESC90_RATEMCS0:
ret_rate = MGN_MCS0;
break;
case DESC90_RATEMCS1:
ret_rate = MGN_MCS1;
break;
case DESC90_RATEMCS2:
ret_rate = MGN_MCS2;
break;
case DESC90_RATEMCS3:
ret_rate = MGN_MCS3;
break;
case DESC90_RATEMCS4:
ret_rate = MGN_MCS4;
break;
case DESC90_RATEMCS5:
ret_rate = MGN_MCS5;
break;
case DESC90_RATEMCS6:
ret_rate = MGN_MCS6;
break;
case DESC90_RATEMCS7:
ret_rate = MGN_MCS7;
break;
case DESC90_RATEMCS8:
ret_rate = MGN_MCS8;
break;
case DESC90_RATEMCS9:
ret_rate = MGN_MCS9;
break;
case DESC90_RATEMCS10:
ret_rate = MGN_MCS10;
break;
case DESC90_RATEMCS11:
ret_rate = MGN_MCS11;
break;
case DESC90_RATEMCS12:
ret_rate = MGN_MCS12;
break;
case DESC90_RATEMCS13:
ret_rate = MGN_MCS13;
break;
case DESC90_RATEMCS14:
ret_rate = MGN_MCS14;
break;
case DESC90_RATEMCS15:
ret_rate = MGN_MCS15;
break;
case DESC90_RATEMCS32:
ret_rate = 0x80 | 0x20;
break;
default:
ret_rate = 0xff;
RT_TRACE(COMP_RECV,
"%s: Non supported Rate [%x], bIsHT = %d!!!\n",
__func__, rate, bIsHT);
break;
}
}
return ret_rate;
}
/*
* Function: UpdateRxPktTimeStamp
* Overview: Record the TSF time stamp when receiving a packet
*
* Input:
* PADAPTER Adapter
* PRT_RFD pRfd,
*
* Output:
* PRT_RFD pRfd
* (pRfd->Status.TimeStampHigh is updated)
* (pRfd->Status.TimeStampLow is updated)
* Return:
* None
*/
static void UpdateRxPktTimeStamp8190(struct net_device *dev,
struct ieee80211_rx_stats *stats)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
if (stats->bIsAMPDU && !stats->bFirstMPDU) {
stats->mac_time[0] = priv->LastRxDescTSFLow;
stats->mac_time[1] = priv->LastRxDescTSFHigh;
} else {
priv->LastRxDescTSFLow = stats->mac_time[0];
priv->LastRxDescTSFHigh = stats->mac_time[1];
}
}
/* 0-100 index. */
static long rtl819x_translate_todbm(u8 signal_strength_index)
{
long signal_power; /* in dBm. */
/* Translate to dBm (x=0.5y-95). */
signal_power = (long)((signal_strength_index + 1) >> 1);
signal_power -= 95;
return signal_power;
}
/* We can not declare RSSI/EVM total value of sliding window to
* be a local static. Otherwise, it may increase when we return from S3/S4. The
* value will be kept in memory or disk. Declare the value in the adaptor
* and it will be reinitialized when returned from S3/S4.
*/
static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
struct ieee80211_rx_stats *pprevious_stats,
struct ieee80211_rx_stats *pcurrent_stats)
{
bool bcheck = false;
u8 rfpath;
u32 nspatial_stream, tmp_val;
static u32 slide_rssi_index, slide_rssi_statistics;
static u32 slide_evm_index, slide_evm_statistics;
static u32 last_rssi, last_evm;
static u32 slide_beacon_adc_pwdb_index;
static u32 slide_beacon_adc_pwdb_statistics;
static u32 last_beacon_adc_pwdb;
struct rtl_80211_hdr_3addr *hdr;
u16 sc;
unsigned int seq;
hdr = (struct rtl_80211_hdr_3addr *)buffer;
sc = le16_to_cpu(hdr->seq_ctl);
seq = WLAN_GET_SEQ_SEQ(sc);
/* to record the sequence number */
pcurrent_stats->Seq_Num = seq;
/* Check whether we should take the previous packet into accounting */
if (!pprevious_stats->bIsAMPDU) {
/* if previous packet is not aggregated packet */
bcheck = true;
}
if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
priv->stats.slide_rssi_total -= last_rssi;
}
priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
priv->stats.slide_signal_strength[slide_rssi_index++] =
pprevious_stats->SignalStrength;
if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
slide_rssi_index = 0;
/* <1> Showed on UI for user, in dbm */
tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
pcurrent_stats->rssi = priv->stats.signal_strength;
/* If the previous packet does not match the criteria, neglect it */
if (!pprevious_stats->bPacketMatchBSSID) {
if (!pprevious_stats->bToSelfBA)
return;
}
if (!bcheck)
return;
/* only rtl8190 supported
* rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
*/
/* Check RSSI */
priv->stats.num_process_phyinfo++;
/* record the general signal strength to the sliding window. */
/* <2> Showed on UI for engineering
* hardware does not provide rssi information for each rf path in CCK
*/
if (!pprevious_stats->bIsCCK &&
(pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev,
rfpath))
continue;
if (priv->stats.rx_rssi_percentage[rfpath] == 0)
priv->stats.rx_rssi_percentage[rfpath] =
pprevious_stats->RxMIMOSignalStrength[rfpath];
if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
priv->stats.rx_rssi_percentage[rfpath] =
((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
(pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
} else {
priv->stats.rx_rssi_percentage[rfpath] =
((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
(pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
}
RT_TRACE(COMP_DBG,
"priv->stats.rx_rssi_percentage[rfPath] = %d\n",
priv->stats.rx_rssi_percentage[rfpath]);
}
}
/* Check PWDB. */
RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
pprevious_stats->bIsCCK ? "CCK" : "OFDM",
pprevious_stats->RxPWDBAll);
if (pprevious_stats->bPacketBeacon) {
/* record the beacon pwdb to the sliding window. */
if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
}
priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
slide_beacon_adc_pwdb_index++;
if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
slide_beacon_adc_pwdb_index = 0;
pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
if (pprevious_stats->RxPWDBAll >= 3)
pprevious_stats->RxPWDBAll -= 3;
}
RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
pprevious_stats->bIsCCK ? "CCK" : "OFDM",
pprevious_stats->RxPWDBAll);
if (pprevious_stats->bPacketToSelf ||
pprevious_stats->bPacketBeacon ||
pprevious_stats->bToSelfBA) {
if (priv->undecorated_smoothed_pwdb < 0)
/* initialize */
priv->undecorated_smoothed_pwdb =
pprevious_stats->RxPWDBAll;
if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
priv->undecorated_smoothed_pwdb =
(((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
(pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
} else {
priv->undecorated_smoothed_pwdb =
(((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
(pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
}
}
/* Check EVM */
/* record the general EVM to the sliding window. */
if (pprevious_stats->SignalQuality) {
if (pprevious_stats->bPacketToSelf ||
pprevious_stats->bPacketBeacon ||
pprevious_stats->bToSelfBA) {
if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
last_evm = priv->stats.slide_evm[slide_evm_index];
priv->stats.slide_evm_total -= last_evm;
}
priv->stats.slide_evm_total +=
pprevious_stats->SignalQuality;
priv->stats.slide_evm[slide_evm_index++] =
pprevious_stats->SignalQuality;
if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
slide_evm_index = 0;
/* <1> Showed on UI for user, in percentage. */
tmp_val = priv->stats.slide_evm_total /
slide_evm_statistics;
priv->stats.signal_quality = tmp_val;
/* Showed on UI for user in Windows Vista,
* for Link quality.
*/
priv->stats.last_signal_strength_inpercent = tmp_val;
}
/* <2> Showed on UI for engineering */
if (pprevious_stats->bPacketToSelf ||
pprevious_stats->bPacketBeacon ||
pprevious_stats->bToSelfBA) {
for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
priv->stats.rx_evm_percentage[nspatial_stream] =
((priv->stats.rx_evm_percentage[nspatial_stream] * (RX_SMOOTH_FACTOR - 1)) +
(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (RX_SMOOTH_FACTOR);
}
}
}
}
}
/*-----------------------------------------------------------------------------
* Function: rtl819x_query_rxpwrpercentage()
*
* Overview:
*
* Input: char antpower
*
* Output: NONE
*
* Return: 0-100 percentage
*---------------------------------------------------------------------------
*/
static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
{
if ((antpower <= -100) || (antpower >= 20))
return 0;
else if (antpower >= 0)
return 100;
else
return 100 + antpower;
} /* QueryRxPwrPercentage */
static u8 rtl819x_evm_dbtopercentage(s8 value)
{
s8 ret_val = clamp(-value, 0, 33) * 3;
if (ret_val == 99)
ret_val = 100;
return ret_val;
}
/* We want good-looking for signal strength/quality */
static long rtl819x_signal_scale_mapping(long currsig)
{
long retsig;
/* Step 1. Scale mapping. */
if (currsig >= 61 && currsig <= 100)
retsig = 90 + ((currsig - 60) / 4);
else if (currsig >= 41 && currsig <= 60)
retsig = 78 + ((currsig - 40) / 2);
else if (currsig >= 31 && currsig <= 40)
retsig = 66 + (currsig - 30);
else if (currsig >= 21 && currsig <= 30)
retsig = 54 + (currsig - 20);
else if (currsig >= 5 && currsig <= 20)
retsig = 42 + (((currsig - 5) * 2) / 3);
else if (currsig == 4)
retsig = 36;
else if (currsig == 3)
retsig = 27;
else if (currsig == 2)
retsig = 18;
else if (currsig == 1)
retsig = 9;
else
retsig = currsig;
return retsig;
}
static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
{
if (pdrvinfo->RxHT)
return false;
switch (pdrvinfo->RxRate) {
case DESC90_RATE1M:
case DESC90_RATE2M:
case DESC90_RATE5_5M:
case DESC90_RATE11M:
return true;
default:
return false;
}
}
static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
struct ieee80211_rx_stats *pstats,
struct rx_drvinfo_819x_usb *pdrvinfo,
struct ieee80211_rx_stats *precord_stats,
bool bpacket_match_bssid,
bool bpacket_toself,
bool bPacketBeacon,
bool bToSelfBA)
{
phy_sts_ofdm_819xusb_t *pofdm_buf;
phy_sts_cck_819xusb_t *pcck_buf;
struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
u8 *prxpkt;
u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
s8 rx_pwr[4], rx_pwr_all = 0;
s8 rx_snrX, rx_evmX;
u8 evm, pwdb_all;
u32 RSSI, total_rssi = 0;
u8 is_cck_rate = 0;
u8 rf_rx_num = 0;
u8 sq;
priv->stats.numqry_phystatus++;
is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
/* Record it for next packet processing */
memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
pstats->bPacketMatchBSSID =
precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
prxpkt = (u8 *)pdrvinfo;
/* Move pointer to the 16th bytes. Phy status start address. */
prxpkt += sizeof(struct rx_drvinfo_819x_usb);
/* Initial the cck and ofdm buffer pointer */
pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
pstats->RxMIMOSignalQuality[0] = -1;
pstats->RxMIMOSignalQuality[1] = -1;
precord_stats->RxMIMOSignalQuality[0] = -1;
precord_stats->RxMIMOSignalQuality[1] = -1;
if (is_cck_rate) {
/* (1)Hardware does not provide RSSI for CCK */
/* (2)PWDB, Average PWDB calculated by hardware
* (for rate adaptive)
*/
u8 report;
priv->stats.numqry_phystatusCCK++;
if (!priv->bCckHighPower) {
report = pcck_buf->cck_agc_rpt & 0xc0;
report >>= 6;
switch (report) {
case 0x3:
rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x2:
rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x1:
rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x0:
rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
}
} else {
report = pcck_buf->cck_agc_rpt & 0x60;
report >>= 5;
switch (report) {
case 0x3:
rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
break;
case 0x2:
rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
break;
case 0x1:
rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
break;
case 0x0:
rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
break;
}
}
pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
pstats->RecvSignalPower = pwdb_all;
/* (3) Get Signal Quality (EVM) */
if (pstats->RxPWDBAll > 40) {
sq = 100;
} else {
sq = pcck_buf->sq_rpt;
if (pcck_buf->sq_rpt > 64)
sq = 0;
else if (pcck_buf->sq_rpt < 20)
sq = 100;
else
sq = ((64 - sq) * 100) / 44;
}
pstats->SignalQuality = precord_stats->SignalQuality = sq;
pstats->RxMIMOSignalQuality[0] =
precord_stats->RxMIMOSignalQuality[0] = sq;
pstats->RxMIMOSignalQuality[1] =
precord_stats->RxMIMOSignalQuality[1] = -1;
} else {
priv->stats.numqry_phystatusHT++;
/* (1)Get RSSI for HT rate */
for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
/* We will judge RF RX path now. */
if (priv->brfpath_rxenable[i])
rf_rx_num++;
else
continue;
if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i))
continue;
rx_pwr[i] =
((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
/* Get Rx snr value in DB */
tmp_rxsnr = pofdm_buf->rxsnr_X[i];
rx_snrX = (s8)(tmp_rxsnr);
rx_snrX /= 2;
priv->stats.rxSNRdB[i] = (long)rx_snrX;
/* Translate DBM to percentage. */
RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
total_rssi += RSSI;
/* Record Signal Strength for next packet */
pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
}
/* (2)PWDB, Average PWDB calculated by hardware
* (for rate adaptive)
*/
rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
/* (3)EVM of HT rate */
if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
pdrvinfo->RxRate <= DESC90_RATEMCS15)
/* both spatial stream make sense */
max_spatial_stream = 2;
else
/* only spatial stream 1 makes sense */
max_spatial_stream = 1;
for (i = 0; i < max_spatial_stream; i++) {
tmp_rxevm = pofdm_buf->rxevm_X[i];
rx_evmX = (s8)(tmp_rxevm);
/* Do not use shift operation like "rx_evmX >>= 1"
* because the compiler of free build environment will
* set the most significant bit to "zero" when doing
* shifting operation which may change a negative value
* to positive one, then the dbm value (which is
* supposed to be negative) is not correct anymore.
*/
rx_evmX /= 2; /* dbm */
evm = rtl819x_evm_dbtopercentage(rx_evmX);
if (i == 0)
/* Fill value in RFD, Get the first spatial
* stream only
*/
pstats->SignalQuality =
precord_stats->SignalQuality =
evm & 0xff;
pstats->RxMIMOSignalQuality[i] =
precord_stats->RxMIMOSignalQuality[i] =
evm & 0xff;
}
/* record rx statistics for debug */
rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
&rxsc_sgien_exflg;
if (pdrvinfo->BW) /* 40M channel */
priv->stats.received_bwtype[1 + prxsc->rxsc]++;
else /* 20M channel */
priv->stats.received_bwtype[0]++;
}
/* UI BSS List signal strength(in percentage), make it good looking,
* from 0~100. It is assigned to the BSS List in
* GetValueFromBeaconOrProbeRsp().
*/
if (is_cck_rate) {
pstats->SignalStrength =
precord_stats->SignalStrength =
(u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
} else {
/* We can judge RX path number now. */
if (rf_rx_num != 0) {
pstats->SignalStrength =
precord_stats->SignalStrength =
(u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
}
}
} /* QueryRxPhyStatus8190Pci */
static void rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats *psrc_stats,
struct ieee80211_rx_stats *ptarget_stats)
{
ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
}
static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
struct ieee80211_rx_stats *pstats,
struct rx_drvinfo_819x_usb *pdrvinfo)
{
/* TODO: We must only check packet for current MAC address.
* Not finish
*/
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
bool bpacket_match_bssid, bpacket_toself;
bool bPacketBeacon = false, bToSelfBA = false;
static struct ieee80211_rx_stats previous_stats;
struct rtl_80211_hdr_3addr *hdr;
u16 fc, type;
/* Get Signal Quality for only RX data queue (but not command queue) */
u8 *tmp_buf;
u8 *praddr;
/* Get MAC frame start address. */
tmp_buf = (u8 *)skb->data;
hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
fc = le16_to_cpu(hdr->frame_ctl);
type = WLAN_FC_GET_TYPE(fc);
praddr = hdr->addr1;
/* Check if the received packet is acceptable. */
bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
(ether_addr_equal(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
&& (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
bpacket_toself = bpacket_match_bssid &&
(ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr));
if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
bPacketBeacon = true;
if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
if ((ether_addr_equal(praddr, dev->dev_addr)))
bToSelfBA = true;
}
if (bpacket_match_bssid)
priv->stats.numpacket_matchbssid++;
if (bpacket_toself)
priv->stats.numpacket_toself++;
/* Process PHY information for previous packet (RSSI/PWDB/EVM)
* Because phy information is contained in the last packet of AMPDU
* only, so driver should process phy information of previous packet
*/
rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
bpacket_match_bssid, bpacket_toself,
bPacketBeacon, bToSelfBA);
rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
}
/*
* Function: UpdateReceivedRateHistogramStatistics
* Overview: Record the received data rate
*
* Input:
* struct net_device *dev
* struct ieee80211_rx_stats *stats
*
* Output:
*
* (priv->stats.ReceivedRateHistogram[] is updated)
* Return:
* None
*/
static void
UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
struct ieee80211_rx_stats *stats)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
/* 0: Total, 1:OK, 2:CRC, 3:ICV */
u32 rcvType = 1;
u32 rateIndex;
/* 1: short preamble/GI, 0: long preamble/GI */
u32 preamble_guardinterval;
if (stats->bCRC)
rcvType = 2;
else if (stats->bICV)
rcvType = 3;
if (stats->bShortPreamble)
preamble_guardinterval = 1; /* short */
else
preamble_guardinterval = 0; /* long */
switch (stats->rate) {
/* CCK rate */
case MGN_1M:
rateIndex = 0;
break;
case MGN_2M:
rateIndex = 1;
break;
case MGN_5_5M:
rateIndex = 2;
break;
case MGN_11M:
rateIndex = 3;
break;
/* Legacy OFDM rate */
case MGN_6M:
rateIndex = 4;
break;
case MGN_9M:
rateIndex = 5;
break;
case MGN_12M:
rateIndex = 6;
break;
case MGN_18M:
rateIndex = 7;
break;
case MGN_24M:
rateIndex = 8;
break;
case MGN_36M:
rateIndex = 9;
break;
case MGN_48M:
rateIndex = 10;
break;
case MGN_54M:
rateIndex = 11;
break;
/* 11n High throughput rate */
case MGN_MCS0:
rateIndex = 12;
break;
case MGN_MCS1:
rateIndex = 13;
break;
case MGN_MCS2:
rateIndex = 14;
break;
case MGN_MCS3:
rateIndex = 15;
break;
case MGN_MCS4:
rateIndex = 16;
break;
case MGN_MCS5:
rateIndex = 17;
break;
case MGN_MCS6:
rateIndex = 18;
break;
case MGN_MCS7:
rateIndex = 19;
break;
case MGN_MCS8:
rateIndex = 20;
break;
case MGN_MCS9:
rateIndex = 21;
break;
case MGN_MCS10:
rateIndex = 22;
break;
case MGN_MCS11:
rateIndex = 23;
break;
case MGN_MCS12:
rateIndex = 24;
break;
case MGN_MCS13:
rateIndex = 25;
break;
case MGN_MCS14:
rateIndex = 26;
break;
case MGN_MCS15:
rateIndex = 27;
break;
default:
rateIndex = 28;
break;
}
priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
priv->stats.received_rate_histogram[rcvType][rateIndex]++;
}
static void query_rxdesc_status(struct sk_buff *skb,
struct ieee80211_rx_stats *stats,
bool bIsRxAggrSubframe)
{
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct rx_drvinfo_819x_usb *driver_info = NULL;
/* Get Rx Descriptor Information */
struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
stats->Length = desc->Length;
stats->RxDrvInfoSize = desc->RxDrvInfoSize;
stats->RxBufShift = 0;
stats->bICV = desc->ICV;
stats->bCRC = desc->CRC32;
stats->bHwError = stats->bCRC | stats->bICV;
/* RTL8190 set this bit to indicate that Hw does not decrypt packet */
stats->Decrypted = !desc->SWDec;
if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
stats->bHwError = false;
else
stats->bHwError = stats->bCRC | stats->bICV;
if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
stats->bHwError |= 1;
/* Get Driver Info */
/* TODO: Need to verify it on FGPA platform
* Driver info are written to the RxBuffer following rx desc
*/
if (stats->RxDrvInfoSize != 0) {
driver_info = (struct rx_drvinfo_819x_usb *)(skb->data
+ sizeof(struct rx_desc_819x_usb)
+ stats->RxBufShift
);
/* unit: 0.5M */
/* TODO */
if (!stats->bHwError) {
u8 ret_rate;
ret_rate = HwRateToMRate90(driver_info->RxHT,
driver_info->RxRate);
if (ret_rate == 0xff) {
/* Abnormal Case: Receive CRC OK packet with Rx
* descriptor indicating non supported rate.
* Special Error Handling here
*/
stats->bHwError = 1;
/* Set 1M rate by default */
stats->rate = MGN_1M;
} else {
stats->rate = ret_rate;
}
} else {
stats->rate = 0x02;
}
stats->bShortPreamble = driver_info->SPLCP;
UpdateReceivedRateHistogramStatistics8190(dev, stats);
stats->bIsAMPDU = (driver_info->PartAggr == 1);
stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
(driver_info->FirstAGGR == 1);
stats->TimeStampLow = driver_info->TSFL;
UpdateRxPktTimeStamp8190(dev, stats);
/* Rx A-MPDU */
if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
RT_TRACE(COMP_RXDESC,
"driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
driver_info->FirstAGGR, driver_info->PartAggr);
}
skb_pull(skb, sizeof(struct rx_desc_819x_usb));
/* Get Total offset of MPDU Frame Body */
if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
stats->bShift = 1;
skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
}
if (driver_info) {
stats->RxIs40MHzPacket = driver_info->BW;
TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
}
}
static void rtl8192_rx_nomal(struct sk_buff *skb)
{
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_rx_stats stats = {
.signal = 0,
.noise = 0x100 - 98,
.rate = 0,
.freq = IEEE80211_24GHZ_BAND,
};
u32 rx_pkt_len = 0;
struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
bool unicast_packet = false;
/* 20 is for ps-poll */
if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
/* first packet should not contain Rx aggregation header */
query_rxdesc_status(skb, &stats, false);
/* TODO */
/* hardware related info */
/* Process the MPDU received */
skb_trim(skb, skb->len - 4/*sCrcLng*/);
rx_pkt_len = skb->len;
ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
unicast_packet = false;
if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
/* TODO */
} else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
/* TODO */
} else {
/* unicast packet */
unicast_packet = true;
}
if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
dev_kfree_skb_any(skb);
} else {
priv->stats.rxoktotal++;
if (unicast_packet)
priv->stats.rxbytesunicast += rx_pkt_len;
}
} else {
priv->stats.rxurberr++;
netdev_dbg(dev, "actual_length: %d\n", skb->len);
dev_kfree_skb_any(skb);
}
}
static void rtl819xusb_process_received_packet(struct net_device *dev,
struct ieee80211_rx_stats *pstats)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Get shifted bytes of Starting address of 802.11 header. */
pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
#ifdef TODO /* about HCT */
if (!Adapter->bInHctTest)
CountRxErrStatistics(Adapter, pRfd);
#endif
#ifdef ENABLE_PS /* for adding ps function in future */
RT_RF_POWER_STATE rtState;
/* When RF is off, we should not count the packet for hw/sw synchronize
* reason, ie. there may be a duration while sw switch is changed and
* hw switch is being changed.
*/
Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
(u8 *)(&rtState));
if (rtState == eRfOff)
return;
#endif
priv->stats.rxframgment++;
#ifdef TODO
RmMonitorSignalStrength(Adapter, pRfd);
#endif
/* We have to release RFD and return if rx pkt is cmd pkt. */
if (rtl819xusb_rx_command_packet(dev, pstats))
return;
#ifdef SW_CRC_CHECK
SwCrcCheck();
#endif
}
static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
struct ieee80211_rx_stats *stats)
{
struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
/* Get Rx Descriptor Information */
stats->virtual_address = (u8 *)skb->data;
stats->Length = desc->Length;
stats->RxDrvInfoSize = 0;
stats->RxBufShift = 0;
stats->packetlength = stats->Length - scrclng;
stats->fraglength = stats->packetlength;
stats->fragoffset = 0;
stats->ntotalfrag = 1;
}
static void rtl8192_rx_cmd(struct sk_buff *skb)
{
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
/* TODO */
struct ieee80211_rx_stats stats = {
.signal = 0,
.noise = 0x100 - 98,
.rate = 0,
.freq = IEEE80211_24GHZ_BAND,
};
if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
query_rx_cmdpkt_desc_status(skb, &stats);
/* prfd->queue_id = 1; */
/* Process the command packet received. */
rtl819xusb_process_received_packet(dev, &stats);
dev_kfree_skb_any(skb);
}
}
static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t)
{
struct r8192_priv *priv = from_tasklet(priv, t, irq_rx_tasklet);
struct sk_buff *skb;
struct rtl8192_rx_info *info;
while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
info = (struct rtl8192_rx_info *)skb->cb;
switch (info->out_pipe) {
/* Nomal packet pipe */
case 3:
priv->IrpPendingCount--;
rtl8192_rx_nomal(skb);
break;
/* Command packet pipe */
case 9:
RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
info->out_pipe);
rtl8192_rx_cmd(skb);
break;
default: /* should never get here! */
RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
info->out_pipe);
dev_kfree_skb(skb);
break;
}
}
}
static const struct net_device_ops rtl8192_netdev_ops = {
.ndo_open = rtl8192_open,
.ndo_stop = rtl8192_close,
.ndo_get_stats = rtl8192_stats,
.ndo_tx_timeout = tx_timeout,
.ndo_do_ioctl = rtl8192_ioctl,
.ndo_set_rx_mode = r8192_set_multicast,
.ndo_set_mac_address = r8192_set_mac_adr,
.ndo_validate_addr = eth_validate_addr,
.ndo_start_xmit = ieee80211_xmit,
};
/****************************************************************************
* ---------------------------- USB_STUFF---------------------------
*****************************************************************************/
static int rtl8192_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct net_device *dev = NULL;
struct r8192_priv *priv = NULL;
struct usb_device *udev = interface_to_usbdev(intf);
int ret;
RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
dev = alloc_ieee80211(sizeof(struct r8192_priv));
if (!dev)
return -ENOMEM;
usb_set_intfdata(intf, dev);
SET_NETDEV_DEV(dev, &intf->dev);
priv = ieee80211_priv(dev);
priv->ieee80211 = netdev_priv(dev);
priv->udev = udev;
dev->netdev_ops = &rtl8192_netdev_ops;
dev->wireless_handlers = &r8192_wx_handlers_def;
dev->type = ARPHRD_ETHER;
dev->watchdog_timeo = HZ * 3;
if (dev_alloc_name(dev, ifname) < 0) {
RT_TRACE(COMP_INIT,
"Oops: devname already taken! Trying wlan%%d...\n");
ifname = "wlan%d";
dev_alloc_name(dev, ifname);
}
RT_TRACE(COMP_INIT, "Driver probe completed1\n");
if (rtl8192_init(dev) != 0) {
RT_TRACE(COMP_ERR, "Initialization failed");
ret = -ENODEV;
goto fail;
}
netif_carrier_off(dev);
netif_stop_queue(dev);
ret = register_netdev(dev);
if (ret)
goto fail2;
RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
rtl8192_debugfs_init_one(dev);
RT_TRACE(COMP_INIT, "Driver probe completed\n");
return 0;
fail2:
rtl8192_down(dev);
fail:
kfree(priv->pFirmware);
priv->pFirmware = NULL;
rtl8192_usb_deleteendpoints(dev);
msleep(10);
free_ieee80211(dev);
RT_TRACE(COMP_ERR, "wlan driver load failed\n");
return ret;
}
/* detach all the work and timer structure declared or inititialize
* in r8192U_init function.
*/
static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
{
cancel_work_sync(&priv->reset_wq);
cancel_delayed_work(&priv->watch_dog_wq);
cancel_delayed_work(&priv->update_beacon_wq);
cancel_work_sync(&priv->qos_activate);
}
static void rtl8192_usb_disconnect(struct usb_interface *intf)
{
struct net_device *dev = usb_get_intfdata(intf);
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
rtl8192_debugfs_exit_one(dev);
unregister_netdev(dev);
rtl8192_down(dev);
kfree(priv->pFirmware);
priv->pFirmware = NULL;
rtl8192_usb_deleteendpoints(dev);
usleep_range(10000, 11000);
free_ieee80211(dev);
RT_TRACE(COMP_DOWN, "wlan driver removed\n");
}
static int rtl8192_usb_netdev_event(struct notifier_block *nb, unsigned long event,
void *data)
{
struct net_device *netdev = netdev_notifier_info_to_dev(data);
if (netdev->netdev_ops != &rtl8192_netdev_ops)
goto out;
switch (event) {
case NETDEV_CHANGENAME:
rtl8192_debugfs_rename_one(netdev);
break;
default:
break;
}
out:
return NOTIFY_DONE;
}
static struct notifier_block rtl8192_usb_netdev_notifier = {
.notifier_call = rtl8192_usb_netdev_event,
};
static int __init rtl8192_usb_module_init(void)
{
int ret;
pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
RT_TRACE(COMP_INIT, "Initializing module");
RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
ret = register_netdevice_notifier(&rtl8192_usb_netdev_notifier);
if (ret) {
pr_err("register_netdevice_notifier failed %d\n", ret);
return ret;
}
rtl8192_debugfs_init();
ret = ieee80211_debug_init();
if (ret) {
pr_err("ieee80211_debug_init() failed %d\n", ret);
goto debugfs_exit;
}
ret = ieee80211_crypto_init();
if (ret) {
pr_err("ieee80211_crypto_init() failed %d\n", ret);
goto debug_exit;
}
ret = ieee80211_crypto_tkip_init();
if (ret) {
pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
goto crypto_exit;
}
ret = ieee80211_crypto_ccmp_init();
if (ret) {
pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
goto crypto_tkip_exit;
}
ret = ieee80211_crypto_wep_init();
if (ret) {
pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
goto crypto_ccmp_exit;
}
ret = usb_register(&rtl8192_usb_driver);
if (ret)
goto crypto_wep_exit;
return ret;
crypto_wep_exit:
ieee80211_crypto_wep_exit();
crypto_ccmp_exit:
ieee80211_crypto_ccmp_exit();
crypto_tkip_exit:
ieee80211_crypto_tkip_exit();
crypto_exit:
ieee80211_crypto_deinit();
debug_exit:
ieee80211_debug_exit();
debugfs_exit:
rtl8192_debugfs_exit();
unregister_netdevice_notifier(&rtl8192_usb_netdev_notifier);
return ret;
}
static void __exit rtl8192_usb_module_exit(void)
{
usb_deregister(&rtl8192_usb_driver);
ieee80211_crypto_wep_exit();
ieee80211_crypto_ccmp_exit();
ieee80211_crypto_tkip_exit();
ieee80211_crypto_deinit();
ieee80211_debug_exit();
rtl8192_debugfs_exit();
unregister_netdevice_notifier(&rtl8192_usb_netdev_notifier);
RT_TRACE(COMP_DOWN, "Exiting");
}
void EnableHWSecurityConfig8192(struct net_device *dev)
{
u8 SECR_value = 0x0;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
SECR_value |= SCR_RxUseDK;
SECR_value |= SCR_TxUseDK;
} else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
SECR_value |= SCR_RxUseDK;
SECR_value |= SCR_TxUseDK;
}
/* add HWSec active enable here.
* default using hwsec. when peer AP is in N mode only and
* pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
* it), use software security. when peer AP is in b,g,n mode mixed and
* pairwise_key_type is none_aes, use g mode hw security.
*/
ieee->hwsec_active = 1;
/* add hwsec_support flag to totol control hw_sec on/off */
if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
ieee->hwsec_active = 0;
SECR_value &= ~SCR_RxDecEnable;
}
RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
__func__, ieee->hwsec_active, ieee->pairwise_key_type,
SECR_value);
write_nic_byte(dev, SECR, SECR_value);
}
void setKey(struct net_device *dev, u8 entryno, u8 keyindex, u16 keytype,
const u8 *macaddr, u8 defaultkey, u32 *keycontent)
{
u32 target_command = 0;
u32 target_content = 0;
u16 us_config = 0;
u8 i;
if (entryno >= TOTAL_CAM_ENTRY)
RT_TRACE(COMP_ERR, "cam entry exceeds in %s\n", __func__);
RT_TRACE(COMP_SEC,
"====>to %s, dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
__func__, dev, entryno, keyindex, keytype, macaddr);
if (defaultkey)
us_config |= BIT(15) | (keytype << 2);
else
us_config |= BIT(15) | (keytype << 2) | keyindex;
for (i = 0; i < CAM_CONTENT_COUNT; i++) {
target_command = i + CAM_CONTENT_COUNT * entryno;
target_command |= BIT(31) | BIT(16);
if (i == 0) { /* MAC|Config */
target_content = (u32)(*(macaddr + 0)) << 16 |
(u32)(*(macaddr + 1)) << 24 |
(u32)us_config;
write_nic_dword(dev, WCAMI, target_content);
write_nic_dword(dev, RWCAM, target_command);
} else if (i == 1) { /* MAC */
target_content = (u32)(*(macaddr + 2)) |
(u32)(*(macaddr + 3)) << 8 |
(u32)(*(macaddr + 4)) << 16 |
(u32)(*(macaddr + 5)) << 24;
write_nic_dword(dev, WCAMI, target_content);
write_nic_dword(dev, RWCAM, target_command);
} else {
/* Key Material */
if (keycontent) {
write_nic_dword(dev, WCAMI,
*(keycontent + i - 2));
write_nic_dword(dev, RWCAM, target_command);
}
}
}
}
/***************************************************************************
* ------------------- module init / exit stubs ----------------
****************************************************************************/
module_init(rtl8192_usb_module_init);
module_exit(rtl8192_usb_module_exit);
| linux-master | drivers/staging/rtl8192u/r8192U_core.c |
// SPDX-License-Identifier: GPL-2.0
/**************************************************************************************************
* Procedure: Init boot code/firmware code/data session
*
* Description: This routine will initialize firmware. If any error occurs during the initialization
* process, the routine shall terminate immediately and return fail.
* NIC driver should call NdisOpenFile only from MiniportInitialize.
*
* Arguments: The pointer of the adapter
* Returns:
* NDIS_STATUS_FAILURE - the following initialization process should be terminated
* NDIS_STATUS_SUCCESS - if firmware initialization process success
**************************************************************************************************/
#include "r8192U.h"
#include "r8192U_hw.h"
#include "r819xU_firmware_img.h"
#include "r819xU_firmware.h"
#include <linux/firmware.h>
static void firmware_init_param(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rt_firmware *pfirmware = priv->pFirmware;
pfirmware->cmdpacket_frag_threshold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE);
}
/*
* segment the img and use the ptr and length to remember info on each segment
*
*/
static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
u32 buffer_len)
{
struct r8192_priv *priv = ieee80211_priv(dev);
bool rt_status = true;
u16 frag_threshold;
u16 frag_length, frag_offset = 0;
int i;
rt_firmware *pfirmware = priv->pFirmware;
struct sk_buff *skb;
unsigned char *seg_ptr;
struct cb_desc *tcb_desc;
u8 bLastIniPkt;
u8 index;
firmware_init_param(dev);
/* Fragmentation might be required */
frag_threshold = pfirmware->cmdpacket_frag_threshold;
do {
if ((buffer_len - frag_offset) > frag_threshold) {
frag_length = frag_threshold;
bLastIniPkt = 0;
} else {
frag_length = buffer_len - frag_offset;
bLastIniPkt = 1;
}
/* Allocate skb buffer to contain firmware info and tx descriptor info
* add 4 to avoid packet appending overflow.
*/
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
if (!skb)
return false;
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
tcb_desc->bLastIniPkt = bLastIniPkt;
skb_reserve(skb, USB_HWDESC_HEADER_LEN);
seg_ptr = skb->data;
/*
* Transform from little endian to big endian
* and pending zero
*/
for (i = 0; i < frag_length; i += 4) {
*seg_ptr++ = ((i+0) < frag_length)?code_virtual_address[i+3] : 0;
*seg_ptr++ = ((i+1) < frag_length)?code_virtual_address[i+2] : 0;
*seg_ptr++ = ((i+2) < frag_length)?code_virtual_address[i+1] : 0;
*seg_ptr++ = ((i+3) < frag_length)?code_virtual_address[i+0] : 0;
}
tcb_desc->txbuf_size = (u16)i;
skb_put(skb, i);
index = tcb_desc->queue_index;
if (!priv->ieee80211->check_nic_enough_desc(dev, index) ||
(!skb_queue_empty(&priv->ieee80211->skb_waitQ[index])) ||
(priv->ieee80211->queue_stop)) {
RT_TRACE(COMP_FIRMWARE, "=====================================================> tx full!\n");
skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
} else {
priv->ieee80211->softmac_hard_start_xmit(skb, dev);
}
code_virtual_address += frag_length;
frag_offset += frag_length;
} while (frag_offset < buffer_len);
return rt_status;
}
/*
* Procedure: Check whether main code is download OK. If OK, turn on CPU
*
* Description: CPU register locates in different page against general register.
* Switch to CPU register in the begin and switch back before return
*
*
* Arguments: The pointer of the adapter
*
* Returns:
* NDIS_STATUS_FAILURE - the following initialization process should
* be terminated
* NDIS_STATUS_SUCCESS - if firmware initialization process success
*/
static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
{
bool rt_status = true;
int check_putcodeOK_time = 200000, check_bootOk_time = 200000;
u32 CPU_status = 0;
/* Check whether put code OK */
do {
read_nic_dword(dev, CPU_GEN, &CPU_status);
if (CPU_status&CPU_GEN_PUT_CODE_OK)
break;
} while (check_putcodeOK_time--);
if (!(CPU_status&CPU_GEN_PUT_CODE_OK)) {
RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n");
goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
} else {
RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n");
}
/* Turn On CPU */
read_nic_dword(dev, CPU_GEN, &CPU_status);
write_nic_byte(dev, CPU_GEN,
(u8)((CPU_status | CPU_GEN_PWR_STB_CPU) & 0xff));
mdelay(1000);
/* Check whether CPU boot OK */
do {
read_nic_dword(dev, CPU_GEN, &CPU_status);
if (CPU_status&CPU_GEN_BOOT_RDY)
break;
} while (check_bootOk_time--);
if (!(CPU_status&CPU_GEN_BOOT_RDY))
goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
else
RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n");
return rt_status;
CPUCheckMainCodeOKAndTurnOnCPU_Fail:
RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
rt_status = false;
return rt_status;
}
static bool CPUcheck_firmware_ready(struct net_device *dev)
{
bool rt_status = true;
int check_time = 200000;
u32 CPU_status = 0;
/* Check Firmware Ready */
do {
read_nic_dword(dev, CPU_GEN, &CPU_status);
if (CPU_status&CPU_GEN_FIRM_RDY)
break;
} while (check_time--);
if (!(CPU_status&CPU_GEN_FIRM_RDY))
goto CPUCheckFirmwareReady_Fail;
else
RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n");
return rt_status;
CPUCheckFirmwareReady_Fail:
RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
rt_status = false;
return rt_status;
}
bool init_firmware(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
bool rt_status = true;
u32 file_length = 0;
u8 *mapped_file = NULL;
u32 init_step = 0;
enum opt_rst_type_e rst_opt = OPT_SYSTEM_RESET;
enum firmware_init_step_e starting_state = FW_INIT_STEP0_BOOT;
rt_firmware *pfirmware = priv->pFirmware;
const struct firmware *fw_entry;
const char *fw_name[3] = { "RTL8192U/boot.img",
"RTL8192U/main.img",
"RTL8192U/data.img"};
int rc;
RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n");
if (pfirmware->firmware_status == FW_STATUS_0_INIT) {
/* it is called by reset */
rst_opt = OPT_SYSTEM_RESET;
starting_state = FW_INIT_STEP0_BOOT;
/* TODO: system reset */
} else if (pfirmware->firmware_status == FW_STATUS_5_READY) {
/* it is called by Initialize */
rst_opt = OPT_FIRMWARE_RESET;
starting_state = FW_INIT_STEP2_DATA;
} else {
RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n");
}
/*
* Download boot, main, and data image for System reset.
* Download data image for firmware reset
*/
for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) {
/*
* Open image file, and map file to continuous memory if open file success.
* or read image file from array. Default load from IMG file
*/
if (rst_opt == OPT_SYSTEM_RESET) {
rc = request_firmware(&fw_entry, fw_name[init_step], &priv->udev->dev);
if (rc < 0) {
RT_TRACE(COMP_ERR, "request firmware fail!\n");
goto download_firmware_fail;
}
if (fw_entry->size > sizeof(pfirmware->firmware_buf)) {
RT_TRACE(COMP_ERR, "img file size exceed the container buffer fail!\n");
goto download_firmware_fail;
}
if (init_step != FW_INIT_STEP1_MAIN) {
memcpy(pfirmware->firmware_buf, fw_entry->data, fw_entry->size);
mapped_file = pfirmware->firmware_buf;
file_length = fw_entry->size;
} else {
memset(pfirmware->firmware_buf, 0, 128);
memcpy(&pfirmware->firmware_buf[128], fw_entry->data, fw_entry->size);
mapped_file = pfirmware->firmware_buf;
file_length = fw_entry->size + 128;
}
pfirmware->firmware_buf_size = file_length;
} else if (rst_opt == OPT_FIRMWARE_RESET) {
/* we only need to download data.img here */
mapped_file = pfirmware->firmware_buf;
file_length = pfirmware->firmware_buf_size;
}
/* Download image file */
/* The firmware download process is just as following,
* 1. that is each packet will be segmented and inserted to the wait queue.
* 2. each packet segment will be put in the skb_buff packet.
* 3. each skb_buff packet data content will already include the firmware info
* and Tx descriptor info
*/
rt_status = fw_download_code(dev, mapped_file, file_length);
if (rst_opt == OPT_SYSTEM_RESET)
release_firmware(fw_entry);
if (!rt_status)
goto download_firmware_fail;
switch (init_step) {
case FW_INIT_STEP0_BOOT:
/* Download boot
* initialize command descriptor.
* will set polling bit when firmware code is also configured
*/
pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
/* mdelay(1000); */
/*
* To initialize IMEM, CPU move code from 0x80000080,
* hence, we send 0x80 byte packet
*/
break;
case FW_INIT_STEP1_MAIN:
/* Download firmware code. Wait until Boot Ready and Turn on CPU */
pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE;
/* Check Put Code OK and Turn On CPU */
rt_status = CPUcheck_maincodeok_turnonCPU(dev);
if (!rt_status) {
RT_TRACE(COMP_ERR, "CPUcheck_maincodeok_turnonCPU fail!\n");
goto download_firmware_fail;
}
pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU;
break;
case FW_INIT_STEP2_DATA:
/* download initial data code */
pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE;
mdelay(1);
rt_status = CPUcheck_firmware_ready(dev);
if (!rt_status) {
RT_TRACE(COMP_ERR, "CPUcheck_firmware_ready fail(%d)!\n", rt_status);
goto download_firmware_fail;
}
/* wait until data code is initialized ready.*/
pfirmware->firmware_status = FW_STATUS_5_READY;
break;
}
}
RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n");
return rt_status;
download_firmware_fail:
RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
rt_status = false;
return rt_status;
}
MODULE_FIRMWARE("RTL8192U/boot.img");
MODULE_FIRMWARE("RTL8192U/main.img");
MODULE_FIRMWARE("RTL8192U/data.img");
| linux-master | drivers/staging/rtl8192u/r819xU_firmware.c |
// SPDX-License-Identifier: GPL-2.0
/*Created on 2008/ 7/16, 5:31*/
#include <linux/types.h>
#include "r819xU_firmware_img.h"
u32 Rtl8192UsbPHY_REGArray[] = {
0x0, };
u32 Rtl8192UsbPHY_REG_1T2RArray[] = {
0x800, 0x00000000,
0x804, 0x00000001,
0x808, 0x0000fc00,
0x80c, 0x0000001c,
0x810, 0x801010aa,
0x814, 0x008514d0,
0x818, 0x00000040,
0x81c, 0x00000000,
0x820, 0x00000004,
0x824, 0x00690000,
0x828, 0x00000004,
0x82c, 0x00e90000,
0x830, 0x00000004,
0x834, 0x00690000,
0x838, 0x00000004,
0x83c, 0x00e90000,
0x840, 0x00000000,
0x844, 0x00000000,
0x848, 0x00000000,
0x84c, 0x00000000,
0x850, 0x00000000,
0x854, 0x00000000,
0x858, 0x65a965a9,
0x85c, 0x65a965a9,
0x860, 0x001f0010,
0x864, 0x007f0010,
0x868, 0x001f0010,
0x86c, 0x007f0010,
0x870, 0x0f100f70,
0x874, 0x0f100f70,
0x878, 0x00000000,
0x87c, 0x00000000,
0x880, 0x6870e36c,
0x884, 0xe3573600,
0x888, 0x4260c340,
0x88c, 0x0000ff00,
0x890, 0x00000000,
0x894, 0xfffffffe,
0x898, 0x4c42382f,
0x89c, 0x00656056,
0x8b0, 0x00000000,
0x8e0, 0x00000000,
0x8e4, 0x00000000,
0x900, 0x00000000,
0x904, 0x00000023,
0x908, 0x00000000,
0x90c, 0x31121311,
0xa00, 0x00d0c7d8,
0xa04, 0x811f0008,
0xa08, 0x80cd8300,
0xa0c, 0x2e62740f,
0xa10, 0x95009b78,
0xa14, 0x11145008,
0xa18, 0x00881117,
0xa1c, 0x89140fa0,
0xa20, 0x1a1b0000,
0xa24, 0x090e1317,
0xa28, 0x00000204,
0xa2c, 0x00000000,
0xc00, 0x00000040,
0xc04, 0x00005433,
0xc08, 0x000000e4,
0xc0c, 0x6c6c6c6c,
0xc10, 0x08800000,
0xc14, 0x40000100,
0xc18, 0x08000000,
0xc1c, 0x40000100,
0xc20, 0x08000000,
0xc24, 0x40000100,
0xc28, 0x08000000,
0xc2c, 0x40000100,
0xc30, 0x6de9ac44,
0xc34, 0x465c52cd,
0xc38, 0x497f5994,
0xc3c, 0x0a969764,
0xc40, 0x1f7c403f,
0xc44, 0x000100b7,
0xc48, 0xec020000,
0xc4c, 0x00000300,
0xc50, 0x69543420,
0xc54, 0x433c0094,
0xc58, 0x69543420,
0xc5c, 0x433c0094,
0xc60, 0x69543420,
0xc64, 0x433c0094,
0xc68, 0x69543420,
0xc6c, 0x433c0094,
0xc70, 0x2c7f000d,
0xc74, 0x0186175b,
0xc78, 0x0000001f,
0xc7c, 0x00b91612,
0xc80, 0x40000100,
0xc84, 0x20000000,
0xc88, 0x40000100,
0xc8c, 0x20200000,
0xc90, 0x40000100,
0xc94, 0x00000000,
0xc98, 0x40000100,
0xc9c, 0x00000000,
0xca0, 0x00492492,
0xca4, 0x00000000,
0xca8, 0x00000000,
0xcac, 0x00000000,
0xcb0, 0x00000000,
0xcb4, 0x00000000,
0xcb8, 0x00000000,
0xcbc, 0x00492492,
0xcc0, 0x00000000,
0xcc4, 0x00000000,
0xcc8, 0x00000000,
0xccc, 0x00000000,
0xcd0, 0x00000000,
0xcd4, 0x00000000,
0xcd8, 0x64b22427,
0xcdc, 0x00766932,
0xce0, 0x00222222,
0xd00, 0x00000750,
0xd04, 0x00000403,
0xd08, 0x0000907f,
0xd0c, 0x00000001,
0xd10, 0xa0633333,
0xd14, 0x33333c63,
0xd18, 0x6a8f5b6b,
0xd1c, 0x00000000,
0xd20, 0x00000000,
0xd24, 0x00000000,
0xd28, 0x00000000,
0xd2c, 0xcc979975,
0xd30, 0x00000000,
0xd34, 0x00000000,
0xd38, 0x00000000,
0xd3c, 0x00027293,
0xd40, 0x00000000,
0xd44, 0x00000000,
0xd48, 0x00000000,
0xd4c, 0x00000000,
0xd50, 0x6437140a,
0xd54, 0x024dbd02,
0xd58, 0x00000000,
0xd5c, 0x04032064,
0xe00, 0x161a1a1a,
0xe04, 0x12121416,
0xe08, 0x00001800,
0xe0c, 0x00000000,
0xe10, 0x161a1a1a,
0xe14, 0x12121416,
0xe18, 0x161a1a1a,
0xe1c, 0x12121416,
};
u32 Rtl8192UsbRadioA_Array[] = {
0x019, 0x00000003,
0x000, 0x000000bf,
0x001, 0x00000ee0,
0x002, 0x0000004c,
0x003, 0x000007f1,
0x004, 0x00000975,
0x005, 0x00000c58,
0x006, 0x00000ae6,
0x007, 0x000000ca,
0x008, 0x00000e1c,
0x009, 0x000007f0,
0x00a, 0x000009d0,
0x00b, 0x000001ba,
0x00c, 0x00000240,
0x00e, 0x00000020,
0x00f, 0x00000990,
0x012, 0x00000806,
0x014, 0x000005ab,
0x015, 0x00000f80,
0x016, 0x00000020,
0x017, 0x00000597,
0x018, 0x0000050a,
0x01a, 0x00000f80,
0x01b, 0x00000f5e,
0x01c, 0x00000008,
0x01d, 0x00000607,
0x01e, 0x000006cc,
0x01f, 0x00000000,
0x020, 0x000001a5,
0x01f, 0x00000001,
0x020, 0x00000165,
0x01f, 0x00000002,
0x020, 0x000000c6,
0x01f, 0x00000003,
0x020, 0x00000086,
0x01f, 0x00000004,
0x020, 0x00000046,
0x01f, 0x00000005,
0x020, 0x000001e6,
0x01f, 0x00000006,
0x020, 0x000001a6,
0x01f, 0x00000007,
0x020, 0x00000166,
0x01f, 0x00000008,
0x020, 0x000000c7,
0x01f, 0x00000009,
0x020, 0x00000087,
0x01f, 0x0000000a,
0x020, 0x000000f7,
0x01f, 0x0000000b,
0x020, 0x000000d7,
0x01f, 0x0000000c,
0x020, 0x000000b7,
0x01f, 0x0000000d,
0x020, 0x00000097,
0x01f, 0x0000000e,
0x020, 0x00000077,
0x01f, 0x0000000f,
0x020, 0x00000057,
0x01f, 0x00000010,
0x020, 0x00000037,
0x01f, 0x00000011,
0x020, 0x000000fb,
0x01f, 0x00000012,
0x020, 0x000000db,
0x01f, 0x00000013,
0x020, 0x000000bb,
0x01f, 0x00000014,
0x020, 0x000000ff,
0x01f, 0x00000015,
0x020, 0x000000e3,
0x01f, 0x00000016,
0x020, 0x000000c3,
0x01f, 0x00000017,
0x020, 0x000000a3,
0x01f, 0x00000018,
0x020, 0x00000083,
0x01f, 0x00000019,
0x020, 0x00000063,
0x01f, 0x0000001a,
0x020, 0x00000043,
0x01f, 0x0000001b,
0x020, 0x00000023,
0x01f, 0x0000001c,
0x020, 0x00000003,
0x01f, 0x0000001d,
0x020, 0x000001e3,
0x01f, 0x0000001e,
0x020, 0x000001c3,
0x01f, 0x0000001f,
0x020, 0x000001a3,
0x01f, 0x00000020,
0x020, 0x00000183,
0x01f, 0x00000021,
0x020, 0x00000163,
0x01f, 0x00000022,
0x020, 0x00000143,
0x01f, 0x00000023,
0x020, 0x00000123,
0x01f, 0x00000024,
0x020, 0x00000103,
0x023, 0x00000203,
0x024, 0x00000200,
0x00b, 0x000001ba,
0x02c, 0x000003d7,
0x02d, 0x00000ff0,
0x000, 0x00000037,
0x004, 0x00000160,
0x007, 0x00000080,
0x002, 0x0000088d,
0x0fe, 0x00000000,
0x0fe, 0x00000000,
0x016, 0x00000200,
0x016, 0x00000380,
0x016, 0x00000020,
0x016, 0x000001a0,
0x000, 0x000000bf,
0x00d, 0x0000001f,
0x00d, 0x00000c9f,
0x002, 0x0000004d,
0x000, 0x00000cbf,
0x004, 0x00000975,
0x007, 0x00000700,
};
u32 Rtl8192UsbRadioB_Array[] = {
0x019, 0x00000003,
0x000, 0x000000bf,
0x001, 0x000006e0,
0x002, 0x0000004c,
0x003, 0x000007f1,
0x004, 0x00000975,
0x005, 0x00000c58,
0x006, 0x00000ae6,
0x007, 0x000000ca,
0x008, 0x00000e1c,
0x000, 0x000000b7,
0x00a, 0x00000850,
0x000, 0x000000bf,
0x00b, 0x000001ba,
0x00c, 0x00000240,
0x00e, 0x00000020,
0x015, 0x00000f80,
0x016, 0x00000020,
0x017, 0x00000597,
0x018, 0x0000050a,
0x01a, 0x00000e00,
0x01b, 0x00000f5e,
0x01d, 0x00000607,
0x01e, 0x000006cc,
0x00b, 0x000001ba,
0x023, 0x00000203,
0x024, 0x00000200,
0x000, 0x00000037,
0x004, 0x00000160,
0x016, 0x00000200,
0x016, 0x00000380,
0x016, 0x00000020,
0x016, 0x000001a0,
0x00d, 0x00000ccc,
0x000, 0x000000bf,
0x002, 0x0000004d,
0x000, 0x00000cbf,
0x004, 0x00000975,
0x007, 0x00000700,
};
u32 Rtl8192UsbRadioC_Array[] = {
0x0, };
u32 Rtl8192UsbRadioD_Array[] = {
0x0, };
u32 Rtl8192UsbMACPHY_Array[] = {
0x03c, 0xffff0000, 0x00000f0f,
0x340, 0xffffffff, 0x161a1a1a,
0x344, 0xffffffff, 0x12121416,
0x348, 0x0000ffff, 0x00001818,
0x12c, 0xffffffff, 0x04000802,
0x318, 0x00000fff, 0x00000100,
};
u32 Rtl8192UsbMACPHY_Array_PG[] = {
0x03c, 0xffff0000, 0x00000f0f,
0xe00, 0xffffffff, 0x06090909,
0xe04, 0xffffffff, 0x00030306,
0xe08, 0x0000ff00, 0x00000000,
0xe10, 0xffffffff, 0x0a0c0d0f,
0xe14, 0xffffffff, 0x06070809,
0xe18, 0xffffffff, 0x0a0c0d0f,
0xe1c, 0xffffffff, 0x06070809,
0x12c, 0xffffffff, 0x04000802,
0x318, 0x00000fff, 0x00000800,
};
u32 Rtl8192UsbAGCTAB_Array[] = {
0xc78, 0x7d000001,
0xc78, 0x7d010001,
0xc78, 0x7d020001,
0xc78, 0x7d030001,
0xc78, 0x7d040001,
0xc78, 0x7d050001,
0xc78, 0x7c060001,
0xc78, 0x7b070001,
0xc78, 0x7a080001,
0xc78, 0x79090001,
0xc78, 0x780a0001,
0xc78, 0x770b0001,
0xc78, 0x760c0001,
0xc78, 0x750d0001,
0xc78, 0x740e0001,
0xc78, 0x730f0001,
0xc78, 0x72100001,
0xc78, 0x71110001,
0xc78, 0x70120001,
0xc78, 0x6f130001,
0xc78, 0x6e140001,
0xc78, 0x6d150001,
0xc78, 0x6c160001,
0xc78, 0x6b170001,
0xc78, 0x6a180001,
0xc78, 0x69190001,
0xc78, 0x681a0001,
0xc78, 0x671b0001,
0xc78, 0x661c0001,
0xc78, 0x651d0001,
0xc78, 0x641e0001,
0xc78, 0x491f0001,
0xc78, 0x48200001,
0xc78, 0x47210001,
0xc78, 0x46220001,
0xc78, 0x45230001,
0xc78, 0x44240001,
0xc78, 0x43250001,
0xc78, 0x28260001,
0xc78, 0x27270001,
0xc78, 0x26280001,
0xc78, 0x25290001,
0xc78, 0x242a0001,
0xc78, 0x232b0001,
0xc78, 0x222c0001,
0xc78, 0x212d0001,
0xc78, 0x202e0001,
0xc78, 0x0a2f0001,
0xc78, 0x08300001,
0xc78, 0x06310001,
0xc78, 0x05320001,
0xc78, 0x04330001,
0xc78, 0x03340001,
0xc78, 0x02350001,
0xc78, 0x01360001,
0xc78, 0x00370001,
0xc78, 0x00380001,
0xc78, 0x00390001,
0xc78, 0x003a0001,
0xc78, 0x003b0001,
0xc78, 0x003c0001,
0xc78, 0x003d0001,
0xc78, 0x003e0001,
0xc78, 0x003f0001,
0xc78, 0x7d400001,
0xc78, 0x7d410001,
0xc78, 0x7d420001,
0xc78, 0x7d430001,
0xc78, 0x7d440001,
0xc78, 0x7d450001,
0xc78, 0x7c460001,
0xc78, 0x7b470001,
0xc78, 0x7a480001,
0xc78, 0x79490001,
0xc78, 0x784a0001,
0xc78, 0x774b0001,
0xc78, 0x764c0001,
0xc78, 0x754d0001,
0xc78, 0x744e0001,
0xc78, 0x734f0001,
0xc78, 0x72500001,
0xc78, 0x71510001,
0xc78, 0x70520001,
0xc78, 0x6f530001,
0xc78, 0x6e540001,
0xc78, 0x6d550001,
0xc78, 0x6c560001,
0xc78, 0x6b570001,
0xc78, 0x6a580001,
0xc78, 0x69590001,
0xc78, 0x685a0001,
0xc78, 0x675b0001,
0xc78, 0x665c0001,
0xc78, 0x655d0001,
0xc78, 0x645e0001,
0xc78, 0x495f0001,
0xc78, 0x48600001,
0xc78, 0x47610001,
0xc78, 0x46620001,
0xc78, 0x45630001,
0xc78, 0x44640001,
0xc78, 0x43650001,
0xc78, 0x28660001,
0xc78, 0x27670001,
0xc78, 0x26680001,
0xc78, 0x25690001,
0xc78, 0x246a0001,
0xc78, 0x236b0001,
0xc78, 0x226c0001,
0xc78, 0x216d0001,
0xc78, 0x206e0001,
0xc78, 0x0a6f0001,
0xc78, 0x08700001,
0xc78, 0x06710001,
0xc78, 0x05720001,
0xc78, 0x04730001,
0xc78, 0x03740001,
0xc78, 0x02750001,
0xc78, 0x01760001,
0xc78, 0x00770001,
0xc78, 0x00780001,
0xc78, 0x00790001,
0xc78, 0x007a0001,
0xc78, 0x007b0001,
0xc78, 0x007c0001,
0xc78, 0x007d0001,
0xc78, 0x007e0001,
0xc78, 0x007f0001,
0xc78, 0x2e00001e,
0xc78, 0x2e01001e,
0xc78, 0x2e02001e,
0xc78, 0x2e03001e,
0xc78, 0x2e04001e,
0xc78, 0x2e05001e,
0xc78, 0x3006001e,
0xc78, 0x3407001e,
0xc78, 0x3908001e,
0xc78, 0x3c09001e,
0xc78, 0x3f0a001e,
0xc78, 0x420b001e,
0xc78, 0x440c001e,
0xc78, 0x450d001e,
0xc78, 0x460e001e,
0xc78, 0x460f001e,
0xc78, 0x4710001e,
0xc78, 0x4811001e,
0xc78, 0x4912001e,
0xc78, 0x4a13001e,
0xc78, 0x4b14001e,
0xc78, 0x4b15001e,
0xc78, 0x4c16001e,
0xc78, 0x4d17001e,
0xc78, 0x4e18001e,
0xc78, 0x4f19001e,
0xc78, 0x4f1a001e,
0xc78, 0x501b001e,
0xc78, 0x511c001e,
0xc78, 0x521d001e,
0xc78, 0x521e001e,
0xc78, 0x531f001e,
0xc78, 0x5320001e,
0xc78, 0x5421001e,
0xc78, 0x5522001e,
0xc78, 0x5523001e,
0xc78, 0x5624001e,
0xc78, 0x5725001e,
0xc78, 0x5726001e,
0xc78, 0x5827001e,
0xc78, 0x5828001e,
0xc78, 0x5929001e,
0xc78, 0x592a001e,
0xc78, 0x5a2b001e,
0xc78, 0x5b2c001e,
0xc78, 0x5c2d001e,
0xc78, 0x5c2e001e,
0xc78, 0x5d2f001e,
0xc78, 0x5e30001e,
0xc78, 0x5f31001e,
0xc78, 0x6032001e,
0xc78, 0x6033001e,
0xc78, 0x6134001e,
0xc78, 0x6235001e,
0xc78, 0x6336001e,
0xc78, 0x6437001e,
0xc78, 0x6438001e,
0xc78, 0x6539001e,
0xc78, 0x663a001e,
0xc78, 0x673b001e,
0xc78, 0x673c001e,
0xc78, 0x683d001e,
0xc78, 0x693e001e,
0xc78, 0x6a3f001e,
};
| linux-master | drivers/staging/rtl8192u/r819xU_firmware_img.c |
// SPDX-License-Identifier: GPL-2.0
#include "r8192U.h"
#include "r8192U_hw.h"
#include "r819xU_phy.h"
#include "r819xU_phyreg.h"
#include "r8190_rtl8256.h"
#include "r8192U_dm.h"
#include "r819xU_firmware_img.h"
#include "ieee80211/dot11d.h"
#include <linux/bitops.h>
static u32 RF_CHANNEL_TABLE_ZEBRA[] = {
0,
0x085c, /* 2412 1 */
0x08dc, /* 2417 2 */
0x095c, /* 2422 3 */
0x09dc, /* 2427 4 */
0x0a5c, /* 2432 5 */
0x0adc, /* 2437 6 */
0x0b5c, /* 2442 7 */
0x0bdc, /* 2447 8 */
0x0c5c, /* 2452 9 */
0x0cdc, /* 2457 10 */
0x0d5c, /* 2462 11 */
0x0ddc, /* 2467 12 */
0x0e5c, /* 2472 13 */
0x0f72, /* 2484 */
};
#define rtl819XMACPHY_Array Rtl8192UsbMACPHY_Array
/******************************************************************************
* function: This function checks different RF type to execute legal judgement.
* If RF Path is illegal, we will return false.
* input: net_device *dev
* u32 e_rfpath
* output: none
* return: 0(illegal, false), 1(legal, true)
*****************************************************************************/
u8 rtl8192_phy_CheckIsLegalRFPath(struct net_device *dev, u32 e_rfpath)
{
u8 ret = 1;
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->rf_type == RF_2T4R) {
ret = 0;
} else if (priv->rf_type == RF_1T2R) {
if (e_rfpath == RF90_PATH_A || e_rfpath == RF90_PATH_B)
ret = 1;
else if (e_rfpath == RF90_PATH_C || e_rfpath == RF90_PATH_D)
ret = 0;
}
return ret;
}
/******************************************************************************
* function: This function sets specific bits to BB register
* input: net_device *dev
* u32 reg_addr //target addr to be modified
* u32 bitmask //taget bit pos to be modified
* u32 data //value to be write
* output: none
* return: none
* notice:
******************************************************************************/
void rtl8192_setBBreg(struct net_device *dev, u32 reg_addr, u32 bitmask,
u32 data)
{
u32 reg, bitshift;
if (bitmask != bMaskDWord) {
read_nic_dword(dev, reg_addr, ®);
bitshift = ffs(bitmask) - 1;
reg &= ~bitmask;
reg |= data << bitshift;
write_nic_dword(dev, reg_addr, reg);
} else {
write_nic_dword(dev, reg_addr, data);
}
}
/******************************************************************************
* function: This function reads specific bits from BB register
* input: net_device *dev
* u32 reg_addr //target addr to be readback
* u32 bitmask //taget bit pos to be readback
* output: none
* return: u32 data //the readback register value
* notice:
******************************************************************************/
u32 rtl8192_QueryBBReg(struct net_device *dev, u32 reg_addr, u32 bitmask)
{
u32 reg, bitshift;
read_nic_dword(dev, reg_addr, ®);
bitshift = ffs(bitmask) - 1;
return (reg & bitmask) >> bitshift;
}
static u32 phy_FwRFSerialRead(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 offset);
static void phy_FwRFSerialWrite(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 offset,
u32 data);
/******************************************************************************
* function: This function reads register from RF chip
* input: net_device *dev
* rf90_radio_path_e e_rfpath //radio path of A/B/C/D
* u32 offset //target address to be read
* output: none
* return: u32 readback value
* notice: There are three types of serial operations:
* (1) Software serial write.
* (2)Hardware LSSI-Low Speed Serial Interface.
* (3)Hardware HSSI-High speed serial write.
* Driver here need to implement (1) and (2)
* ---need more spec for this information.
******************************************************************************/
static u32 rtl8192_phy_RFSerialRead(struct net_device *dev,
enum rf90_radio_path_e e_rfpath, u32 offset)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 ret = 0;
u32 new_offset = 0;
BB_REGISTER_DEFINITION_T *pPhyReg = &priv->PHYRegDef[e_rfpath];
rtl8192_setBBreg(dev, pPhyReg->rfLSSIReadBack, bLSSIReadBackData, 0);
/* Make sure RF register offset is correct */
offset &= 0x3f;
/* Switch page for 8256 RF IC */
if (priv->rf_chip == RF_8256) {
if (offset >= 31) {
priv->RfReg0Value[e_rfpath] |= 0x140;
/* Switch to Reg_Mode2 for Reg 31-45 */
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset,
bMaskDWord,
priv->RfReg0Value[e_rfpath]<<16);
/* Modify offset */
new_offset = offset - 30;
} else if (offset >= 16) {
priv->RfReg0Value[e_rfpath] |= 0x100;
priv->RfReg0Value[e_rfpath] &= (~0x40);
/* Switch to Reg_Mode1 for Reg16-30 */
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset,
bMaskDWord,
priv->RfReg0Value[e_rfpath]<<16);
new_offset = offset - 15;
} else {
new_offset = offset;
}
} else {
RT_TRACE((COMP_PHY|COMP_ERR),
"check RF type here, need to be 8256\n");
new_offset = offset;
}
/* Put desired read addr to LSSI control Register */
rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadAddress,
new_offset);
/* Issue a posedge trigger */
rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x0);
rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x1);
/* TODO: we should not delay such a long time. Ask for help from SD3 */
usleep_range(1000, 1000);
ret = rtl8192_QueryBBReg(dev, pPhyReg->rfLSSIReadBack,
bLSSIReadBackData);
/* Switch back to Reg_Mode0 */
if (priv->rf_chip == RF_8256) {
priv->RfReg0Value[e_rfpath] &= 0xebf;
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, bMaskDWord,
priv->RfReg0Value[e_rfpath] << 16);
}
return ret;
}
/******************************************************************************
* function: This function writes data to RF register
* input: net_device *dev
* rf90_radio_path_e e_rfpath //radio path of A/B/C/D
* u32 offset //target address to be written
* u32 data //the new register data to be written
* output: none
* return: none
* notice: For RF8256 only.
* ===========================================================================
* Reg Mode RegCTL[1] RegCTL[0] Note
* (Reg00[12]) (Reg00[10])
* ===========================================================================
* Reg_Mode0 0 x Reg 0 ~ 15(0x0 ~ 0xf)
* ---------------------------------------------------------------------------
* Reg_Mode1 1 0 Reg 16 ~ 30(0x1 ~ 0xf)
* ---------------------------------------------------------------------------
* Reg_Mode2 1 1 Reg 31 ~ 45(0x1 ~ 0xf)
* ---------------------------------------------------------------------------
*****************************************************************************/
static void rtl8192_phy_RFSerialWrite(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 offset,
u32 data)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 DataAndAddr = 0, new_offset = 0;
BB_REGISTER_DEFINITION_T *pPhyReg = &priv->PHYRegDef[e_rfpath];
offset &= 0x3f;
if (priv->rf_chip == RF_8256) {
if (offset >= 31) {
priv->RfReg0Value[e_rfpath] |= 0x140;
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset,
bMaskDWord,
priv->RfReg0Value[e_rfpath] << 16);
new_offset = offset - 30;
} else if (offset >= 16) {
priv->RfReg0Value[e_rfpath] |= 0x100;
priv->RfReg0Value[e_rfpath] &= (~0x40);
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset,
bMaskDWord,
priv->RfReg0Value[e_rfpath]<<16);
new_offset = offset - 15;
} else {
new_offset = offset;
}
} else {
RT_TRACE((COMP_PHY|COMP_ERR),
"check RF type here, need to be 8256\n");
new_offset = offset;
}
/* Put write addr in [5:0] and write data in [31:16] */
DataAndAddr = (data<<16) | (new_offset&0x3f);
/* Write operation */
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, bMaskDWord, DataAndAddr);
if (offset == 0x0)
priv->RfReg0Value[e_rfpath] = data;
/* Switch back to Reg_Mode0 */
if (priv->rf_chip == RF_8256) {
if (offset != 0) {
priv->RfReg0Value[e_rfpath] &= 0xebf;
rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset,
bMaskDWord,
priv->RfReg0Value[e_rfpath] << 16);
}
}
}
/******************************************************************************
* function: This function set specific bits to RF register
* input: net_device dev
* rf90_radio_path_e e_rfpath //radio path of A/B/C/D
* u32 reg_addr //target addr to be modified
* u32 bitmask //taget bit pos to be modified
* u32 data //value to be written
* output: none
* return: none
* notice:
*****************************************************************************/
void rtl8192_phy_SetRFReg(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 reg_addr, u32 bitmask, u32 data)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 reg, bitshift;
if (!rtl8192_phy_CheckIsLegalRFPath(dev, e_rfpath))
return;
if (priv->Rf_Mode == RF_OP_By_FW) {
if (bitmask != bMask12Bits) {
/* RF data is 12 bits only */
reg = phy_FwRFSerialRead(dev, e_rfpath, reg_addr);
bitshift = ffs(bitmask) - 1;
reg &= ~bitmask;
reg |= data << bitshift;
phy_FwRFSerialWrite(dev, e_rfpath, reg_addr, reg);
} else {
phy_FwRFSerialWrite(dev, e_rfpath, reg_addr, data);
}
udelay(200);
} else {
if (bitmask != bMask12Bits) {
/* RF data is 12 bits only */
reg = rtl8192_phy_RFSerialRead(dev, e_rfpath, reg_addr);
bitshift = ffs(bitmask) - 1;
reg &= ~bitmask;
reg |= data << bitshift;
rtl8192_phy_RFSerialWrite(dev, e_rfpath, reg_addr, reg);
} else {
rtl8192_phy_RFSerialWrite(dev, e_rfpath, reg_addr, data);
}
}
}
/******************************************************************************
* function: This function reads specific bits from RF register
* input: net_device *dev
* u32 reg_addr //target addr to be readback
* u32 bitmask //taget bit pos to be readback
* output: none
* return: u32 data //the readback register value
* notice:
*****************************************************************************/
u32 rtl8192_phy_QueryRFReg(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 reg_addr, u32 bitmask)
{
u32 reg, bitshift;
struct r8192_priv *priv = ieee80211_priv(dev);
if (!rtl8192_phy_CheckIsLegalRFPath(dev, e_rfpath))
return 0;
if (priv->Rf_Mode == RF_OP_By_FW) {
reg = phy_FwRFSerialRead(dev, e_rfpath, reg_addr);
udelay(200);
} else {
reg = rtl8192_phy_RFSerialRead(dev, e_rfpath, reg_addr);
}
bitshift = ffs(bitmask) - 1;
reg = (reg & bitmask) >> bitshift;
return reg;
}
/******************************************************************************
* function: We support firmware to execute RF-R/W.
* input: net_device *dev
* rf90_radio_path_e e_rfpath
* u32 offset
* output: none
* return: u32
* notice:
****************************************************************************/
static u32 phy_FwRFSerialRead(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 offset)
{
u32 reg = 0;
u32 data = 0;
u8 time = 0;
u32 tmp;
/* Firmware RF Write control.
* We can not execute the scheme in the initial step.
* Otherwise, RF-R/W will waste much time.
* This is only for site survey.
*/
/* 1. Read operation need not insert data. bit 0-11 */
/* 2. Write RF register address. bit 12-19 */
data |= ((offset&0xFF)<<12);
/* 3. Write RF path. bit 20-21 */
data |= ((e_rfpath&0x3)<<20);
/* 4. Set RF read indicator. bit 22=0 */
/* 5. Trigger Fw to operate the command. bit 31 */
data |= 0x80000000;
/* 6. We can not execute read operation if bit 31 is 1. */
read_nic_dword(dev, QPNR, &tmp);
while (tmp & 0x80000000) {
/* If FW can not finish RF-R/W for more than ?? times.
* We must reset FW.
*/
if (time++ < 100) {
udelay(10);
read_nic_dword(dev, QPNR, &tmp);
} else {
break;
}
}
/* 7. Execute read operation. */
write_nic_dword(dev, QPNR, data);
/* 8. Check if firmware send back RF content. */
read_nic_dword(dev, QPNR, &tmp);
while (tmp & 0x80000000) {
/* If FW can not finish RF-R/W for more than ?? times.
* We must reset FW.
*/
if (time++ < 100) {
udelay(10);
read_nic_dword(dev, QPNR, &tmp);
} else {
return 0;
}
}
read_nic_dword(dev, RF_DATA, ®);
return reg;
}
/******************************************************************************
* function: We support firmware to execute RF-R/W.
* input: net_device *dev
* rf90_radio_path_e e_rfpath
* u32 offset
* u32 data
* output: none
* return: none
* notice:
****************************************************************************/
static void phy_FwRFSerialWrite(struct net_device *dev,
enum rf90_radio_path_e e_rfpath,
u32 offset, u32 data)
{
u8 time = 0;
u32 tmp;
/* Firmware RF Write control.
* We can not execute the scheme in the initial step.
* Otherwise, RF-R/W will waste much time.
* This is only for site survey.
*/
/* 1. Set driver write bit and 12 bit data. bit 0-11 */
/* 2. Write RF register address. bit 12-19 */
data |= ((offset&0xFF)<<12);
/* 3. Write RF path. bit 20-21 */
data |= ((e_rfpath&0x3)<<20);
/* 4. Set RF write indicator. bit 22=1 */
data |= 0x400000;
/* 5. Trigger Fw to operate the command. bit 31=1 */
data |= 0x80000000;
/* 6. Write operation. We can not write if bit 31 is 1. */
read_nic_dword(dev, QPNR, &tmp);
while (tmp & 0x80000000) {
/* If FW can not finish RF-R/W for more than ?? times.
* We must reset FW.
*/
if (time++ < 100) {
udelay(10);
read_nic_dword(dev, QPNR, &tmp);
} else {
break;
}
}
/* 7. No matter check bit. We always force the write.
* Because FW will not accept the command.
*/
write_nic_dword(dev, QPNR, data);
/* According to test, we must delay 20us to wait firmware
* to finish RF write operation.
*/
/* We support delay in firmware side now. */
}
/******************************************************************************
* function: This function reads BB parameters from header file we generate,
* and do register read/write
* input: net_device *dev
* output: none
* return: none
* notice: BB parameters may change all the time, so please make
* sure it has been synced with the newest.
*****************************************************************************/
void rtl8192_phy_configmac(struct net_device *dev)
{
u32 dwArrayLen = 0, i;
u32 *pdwArray = NULL;
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->btxpowerdata_readfromEEPORM) {
RT_TRACE(COMP_PHY, "Rtl819XMACPHY_Array_PG\n");
dwArrayLen = MACPHY_Array_PGLength;
pdwArray = Rtl8192UsbMACPHY_Array_PG;
} else {
RT_TRACE(COMP_PHY, "Rtl819XMACPHY_Array\n");
dwArrayLen = MACPHY_ArrayLength;
pdwArray = rtl819XMACPHY_Array;
}
for (i = 0; i < dwArrayLen; i = i+3) {
if (pdwArray[i] == 0x318)
pdwArray[i+2] = 0x00000800;
RT_TRACE(COMP_DBG,
"Rtl8190MACPHY_Array[0]=%x Rtl8190MACPHY_Array[1]=%x Rtl8190MACPHY_Array[2]=%x\n",
pdwArray[i], pdwArray[i+1], pdwArray[i+2]);
rtl8192_setBBreg(dev, pdwArray[i], pdwArray[i+1],
pdwArray[i+2]);
}
}
/******************************************************************************
* function: This function does dirty work
* input: net_device *dev
* u8 ConfigType
* output: none
* return: none
* notice: BB parameters may change all the time, so please make
* sure it has been synced with the newest.
*****************************************************************************/
static void rtl8192_phyConfigBB(struct net_device *dev,
enum baseband_config_type ConfigType)
{
u32 i;
if (ConfigType == BASEBAND_CONFIG_PHY_REG) {
for (i = 0; i < PHY_REG_1T2RArrayLength; i += 2) {
rtl8192_setBBreg(dev, Rtl8192UsbPHY_REG_1T2RArray[i],
bMaskDWord,
Rtl8192UsbPHY_REG_1T2RArray[i+1]);
RT_TRACE(COMP_DBG,
"i: %x, Rtl819xUsbPHY_REGArray[0]=%x Rtl819xUsbPHY_REGArray[1]=%x\n",
i, Rtl8192UsbPHY_REG_1T2RArray[i],
Rtl8192UsbPHY_REG_1T2RArray[i+1]);
}
} else if (ConfigType == BASEBAND_CONFIG_AGC_TAB) {
for (i = 0; i < AGCTAB_ArrayLength; i += 2) {
rtl8192_setBBreg(dev, Rtl8192UsbAGCTAB_Array[i],
bMaskDWord, Rtl8192UsbAGCTAB_Array[i+1]);
RT_TRACE(COMP_DBG,
"i: %x, Rtl8192UsbAGCTAB_Array[0]=%x Rtl8192UsbAGCTAB_Array[1]=%x\n",
i, Rtl8192UsbAGCTAB_Array[i],
Rtl8192UsbAGCTAB_Array[i+1]);
}
}
}
/******************************************************************************
* function: This function initializes Register definition offset for
* Radio Path A/B/C/D
* input: net_device *dev
* output: none
* return: none
* notice: Initialization value here is constant and it should never
* be changed
*****************************************************************************/
static void rtl8192_InitBBRFRegDef(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* RF Interface Software Control */
/* 16 LSBs if read 32-bit from 0x870 */
priv->PHYRegDef[RF90_PATH_A].rfintfs = rFPGA0_XAB_RFInterfaceSW;
/* 16 MSBs if read 32-bit from 0x870 (16-bit for 0x872) */
priv->PHYRegDef[RF90_PATH_B].rfintfs = rFPGA0_XAB_RFInterfaceSW;
/* 16 LSBs if read 32-bit from 0x874 */
priv->PHYRegDef[RF90_PATH_C].rfintfs = rFPGA0_XCD_RFInterfaceSW;
/* 16 MSBs if read 32-bit from 0x874 (16-bit for 0x876) */
priv->PHYRegDef[RF90_PATH_D].rfintfs = rFPGA0_XCD_RFInterfaceSW;
/* RF Interface Readback Value */
/* 16 LSBs if read 32-bit from 0x8E0 */
priv->PHYRegDef[RF90_PATH_A].rfintfi = rFPGA0_XAB_RFInterfaceRB;
/* 16 MSBs if read 32-bit from 0x8E0 (16-bit for 0x8E2) */
priv->PHYRegDef[RF90_PATH_B].rfintfi = rFPGA0_XAB_RFInterfaceRB;
/* 16 LSBs if read 32-bit from 0x8E4 */
priv->PHYRegDef[RF90_PATH_C].rfintfi = rFPGA0_XCD_RFInterfaceRB;
/* 16 MSBs if read 32-bit from 0x8E4 (16-bit for 0x8E6) */
priv->PHYRegDef[RF90_PATH_D].rfintfi = rFPGA0_XCD_RFInterfaceRB;
/* RF Interface Output (and Enable) */
/* 16 LSBs if read 32-bit from 0x860 */
priv->PHYRegDef[RF90_PATH_A].rfintfo = rFPGA0_XA_RFInterfaceOE;
/* 16 LSBs if read 32-bit from 0x864 */
priv->PHYRegDef[RF90_PATH_B].rfintfo = rFPGA0_XB_RFInterfaceOE;
/* 16 LSBs if read 32-bit from 0x868 */
priv->PHYRegDef[RF90_PATH_C].rfintfo = rFPGA0_XC_RFInterfaceOE;
/* 16 LSBs if read 32-bit from 0x86C */
priv->PHYRegDef[RF90_PATH_D].rfintfo = rFPGA0_XD_RFInterfaceOE;
/* RF Interface (Output and) Enable */
/* 16 MSBs if read 32-bit from 0x860 (16-bit for 0x862) */
priv->PHYRegDef[RF90_PATH_A].rfintfe = rFPGA0_XA_RFInterfaceOE;
/* 16 MSBs if read 32-bit from 0x864 (16-bit for 0x866) */
priv->PHYRegDef[RF90_PATH_B].rfintfe = rFPGA0_XB_RFInterfaceOE;
/* 16 MSBs if read 32-bit from 0x86A (16-bit for 0x86A) */
priv->PHYRegDef[RF90_PATH_C].rfintfe = rFPGA0_XC_RFInterfaceOE;
/* 16 MSBs if read 32-bit from 0x86C (16-bit for 0x86E) */
priv->PHYRegDef[RF90_PATH_D].rfintfe = rFPGA0_XD_RFInterfaceOE;
/* Addr of LSSI. Write RF register by driver */
priv->PHYRegDef[RF90_PATH_A].rf3wireOffset = rFPGA0_XA_LSSIParameter;
priv->PHYRegDef[RF90_PATH_B].rf3wireOffset = rFPGA0_XB_LSSIParameter;
priv->PHYRegDef[RF90_PATH_C].rf3wireOffset = rFPGA0_XC_LSSIParameter;
priv->PHYRegDef[RF90_PATH_D].rf3wireOffset = rFPGA0_XD_LSSIParameter;
/* RF parameter */
/* BB Band Select */
priv->PHYRegDef[RF90_PATH_A].rfLSSI_Select = rFPGA0_XAB_RFParameter;
priv->PHYRegDef[RF90_PATH_B].rfLSSI_Select = rFPGA0_XAB_RFParameter;
priv->PHYRegDef[RF90_PATH_C].rfLSSI_Select = rFPGA0_XCD_RFParameter;
priv->PHYRegDef[RF90_PATH_D].rfLSSI_Select = rFPGA0_XCD_RFParameter;
/* Tx AGC Gain Stage (same for all path. Should we remove this?) */
priv->PHYRegDef[RF90_PATH_A].rfTxGainStage = rFPGA0_TxGainStage;
priv->PHYRegDef[RF90_PATH_B].rfTxGainStage = rFPGA0_TxGainStage;
priv->PHYRegDef[RF90_PATH_C].rfTxGainStage = rFPGA0_TxGainStage;
priv->PHYRegDef[RF90_PATH_D].rfTxGainStage = rFPGA0_TxGainStage;
/* Tranceiver A~D HSSI Parameter-1 */
/* wire control parameter1 */
priv->PHYRegDef[RF90_PATH_A].rfHSSIPara1 = rFPGA0_XA_HSSIParameter1;
priv->PHYRegDef[RF90_PATH_B].rfHSSIPara1 = rFPGA0_XB_HSSIParameter1;
priv->PHYRegDef[RF90_PATH_C].rfHSSIPara1 = rFPGA0_XC_HSSIParameter1;
priv->PHYRegDef[RF90_PATH_D].rfHSSIPara1 = rFPGA0_XD_HSSIParameter1;
/* Tranceiver A~D HSSI Parameter-2 */
/* wire control parameter2 */
priv->PHYRegDef[RF90_PATH_A].rfHSSIPara2 = rFPGA0_XA_HSSIParameter2;
priv->PHYRegDef[RF90_PATH_B].rfHSSIPara2 = rFPGA0_XB_HSSIParameter2;
priv->PHYRegDef[RF90_PATH_C].rfHSSIPara2 = rFPGA0_XC_HSSIParameter2;
priv->PHYRegDef[RF90_PATH_D].rfHSSIPara2 = rFPGA0_XD_HSSIParameter2;
/* RF Switch Control */
/* TR/Ant switch control */
priv->PHYRegDef[RF90_PATH_A].rfSwitchControl = rFPGA0_XAB_SwitchControl;
priv->PHYRegDef[RF90_PATH_B].rfSwitchControl = rFPGA0_XAB_SwitchControl;
priv->PHYRegDef[RF90_PATH_C].rfSwitchControl = rFPGA0_XCD_SwitchControl;
priv->PHYRegDef[RF90_PATH_D].rfSwitchControl = rFPGA0_XCD_SwitchControl;
/* AGC control 1 */
priv->PHYRegDef[RF90_PATH_A].rfAGCControl1 = rOFDM0_XAAGCCore1;
priv->PHYRegDef[RF90_PATH_B].rfAGCControl1 = rOFDM0_XBAGCCore1;
priv->PHYRegDef[RF90_PATH_C].rfAGCControl1 = rOFDM0_XCAGCCore1;
priv->PHYRegDef[RF90_PATH_D].rfAGCControl1 = rOFDM0_XDAGCCore1;
/* AGC control 2 */
priv->PHYRegDef[RF90_PATH_A].rfAGCControl2 = rOFDM0_XAAGCCore2;
priv->PHYRegDef[RF90_PATH_B].rfAGCControl2 = rOFDM0_XBAGCCore2;
priv->PHYRegDef[RF90_PATH_C].rfAGCControl2 = rOFDM0_XCAGCCore2;
priv->PHYRegDef[RF90_PATH_D].rfAGCControl2 = rOFDM0_XDAGCCore2;
/* RX AFE control 1 */
priv->PHYRegDef[RF90_PATH_A].rfRxIQImbalance = rOFDM0_XARxIQImbalance;
priv->PHYRegDef[RF90_PATH_B].rfRxIQImbalance = rOFDM0_XBRxIQImbalance;
priv->PHYRegDef[RF90_PATH_C].rfRxIQImbalance = rOFDM0_XCRxIQImbalance;
priv->PHYRegDef[RF90_PATH_D].rfRxIQImbalance = rOFDM0_XDRxIQImbalance;
/* RX AFE control 1 */
priv->PHYRegDef[RF90_PATH_A].rfRxAFE = rOFDM0_XARxAFE;
priv->PHYRegDef[RF90_PATH_B].rfRxAFE = rOFDM0_XBRxAFE;
priv->PHYRegDef[RF90_PATH_C].rfRxAFE = rOFDM0_XCRxAFE;
priv->PHYRegDef[RF90_PATH_D].rfRxAFE = rOFDM0_XDRxAFE;
/* Tx AFE control 1 */
priv->PHYRegDef[RF90_PATH_A].rfTxIQImbalance = rOFDM0_XATxIQImbalance;
priv->PHYRegDef[RF90_PATH_B].rfTxIQImbalance = rOFDM0_XBTxIQImbalance;
priv->PHYRegDef[RF90_PATH_C].rfTxIQImbalance = rOFDM0_XCTxIQImbalance;
priv->PHYRegDef[RF90_PATH_D].rfTxIQImbalance = rOFDM0_XDTxIQImbalance;
/* Tx AFE control 2 */
priv->PHYRegDef[RF90_PATH_A].rfTxAFE = rOFDM0_XATxAFE;
priv->PHYRegDef[RF90_PATH_B].rfTxAFE = rOFDM0_XBTxAFE;
priv->PHYRegDef[RF90_PATH_C].rfTxAFE = rOFDM0_XCTxAFE;
priv->PHYRegDef[RF90_PATH_D].rfTxAFE = rOFDM0_XDTxAFE;
/* Tranceiver LSSI Readback */
priv->PHYRegDef[RF90_PATH_A].rfLSSIReadBack = rFPGA0_XA_LSSIReadBack;
priv->PHYRegDef[RF90_PATH_B].rfLSSIReadBack = rFPGA0_XB_LSSIReadBack;
priv->PHYRegDef[RF90_PATH_C].rfLSSIReadBack = rFPGA0_XC_LSSIReadBack;
priv->PHYRegDef[RF90_PATH_D].rfLSSIReadBack = rFPGA0_XD_LSSIReadBack;
}
/******************************************************************************
* function: This function is to write register and then readback to make
* sure whether BB and RF is OK
* input: net_device *dev
* hw90_block_e CheckBlock
* rf90_radio_path_e e_rfpath //only used when checkblock is
* //HW90_BLOCK_RF
* output: none
* return: return whether BB and RF is ok (0:OK, 1:Fail)
* notice: This function may be removed in the ASIC
******************************************************************************/
u8 rtl8192_phy_checkBBAndRF(struct net_device *dev, enum hw90_block_e CheckBlock,
enum rf90_radio_path_e e_rfpath)
{
u8 ret = 0;
u32 i, CheckTimes = 4, reg = 0;
u32 WriteAddr[4];
u32 WriteData[] = {0xfffff027, 0xaa55a02f, 0x00000027, 0x55aa502f};
/* Initialize register address offset to be checked */
WriteAddr[HW90_BLOCK_MAC] = 0x100;
WriteAddr[HW90_BLOCK_PHY0] = 0x900;
WriteAddr[HW90_BLOCK_PHY1] = 0x800;
WriteAddr[HW90_BLOCK_RF] = 0x3;
RT_TRACE(COMP_PHY, "%s(), CheckBlock: %d\n", __func__, CheckBlock);
for (i = 0; i < CheckTimes; i++) {
/* Write data to register and readback */
switch (CheckBlock) {
case HW90_BLOCK_MAC:
RT_TRACE(COMP_ERR,
"PHY_CheckBBRFOK(): Never Write 0x100 here!\n");
break;
case HW90_BLOCK_PHY0:
case HW90_BLOCK_PHY1:
write_nic_dword(dev, WriteAddr[CheckBlock],
WriteData[i]);
read_nic_dword(dev, WriteAddr[CheckBlock], ®);
break;
case HW90_BLOCK_RF:
WriteData[i] &= 0xfff;
rtl8192_phy_SetRFReg(dev, e_rfpath,
WriteAddr[HW90_BLOCK_RF],
bMask12Bits, WriteData[i]);
/* TODO: we should not delay for such a long time.
* Ask SD3
*/
usleep_range(1000, 1000);
reg = rtl8192_phy_QueryRFReg(dev, e_rfpath,
WriteAddr[HW90_BLOCK_RF],
bMask12Bits);
usleep_range(1000, 1000);
break;
default:
ret = 1;
break;
}
/* Check whether readback data is correct */
if (reg != WriteData[i]) {
RT_TRACE((COMP_PHY|COMP_ERR),
"error reg: %x, WriteData: %x\n",
reg, WriteData[i]);
ret = 1;
break;
}
}
return ret;
}
/******************************************************************************
* function: This function initializes BB&RF
* input: net_device *dev
* output: none
* return: none
* notice: Initialization value may change all the time, so please make
* sure it has been synced with the newest.
******************************************************************************/
static void rtl8192_BB_Config_ParaFile(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 reg_u8 = 0, eCheckItem = 0, status = 0;
u32 reg_u32 = 0;
/**************************************
* <1> Initialize BaseBand
*************************************/
/* --set BB Global Reset-- */
read_nic_byte(dev, BB_GLOBAL_RESET, ®_u8);
write_nic_byte(dev, BB_GLOBAL_RESET, (reg_u8|BB_GLOBAL_RESET_BIT));
mdelay(50);
/* ---set BB reset Active--- */
read_nic_dword(dev, CPU_GEN, ®_u32);
write_nic_dword(dev, CPU_GEN, (reg_u32&(~CPU_GEN_BB_RST)));
/* ----Ckeck FPGAPHY0 and PHY1 board is OK---- */
/* TODO: this function should be removed on ASIC */
for (eCheckItem = (enum hw90_block_e)HW90_BLOCK_PHY0;
eCheckItem <= HW90_BLOCK_PHY1; eCheckItem++) {
/* don't care RF path */
status = rtl8192_phy_checkBBAndRF(dev, (enum hw90_block_e)eCheckItem,
(enum rf90_radio_path_e)0);
if (status != 0) {
RT_TRACE((COMP_ERR | COMP_PHY),
"phy_rf8256_config(): Check PHY%d Fail!!\n",
eCheckItem-1);
return;
}
}
/* ---- Set CCK and OFDM Block "OFF"---- */
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn|bOFDMEn, 0x0);
/* ----BB Register Initilazation---- */
/* ==m==>Set PHY REG From Header<==m== */
rtl8192_phyConfigBB(dev, BASEBAND_CONFIG_PHY_REG);
/* ----Set BB reset de-Active---- */
read_nic_dword(dev, CPU_GEN, ®_u32);
write_nic_dword(dev, CPU_GEN, (reg_u32|CPU_GEN_BB_RST));
/* ----BB AGC table Initialization---- */
/* ==m==>Set PHY REG From Header<==m== */
rtl8192_phyConfigBB(dev, BASEBAND_CONFIG_AGC_TAB);
/* ----Enable XSTAL ---- */
write_nic_byte_E(dev, 0x5e, 0x00);
if (priv->card_8192_version == VERSION_819XU_A) {
/* Antenna gain offset from B/C/D to A */
reg_u32 = priv->AntennaTxPwDiff[1]<<4 |
priv->AntennaTxPwDiff[0];
rtl8192_setBBreg(dev, rFPGA0_TxGainStage, (bXBTxAGC|bXCTxAGC),
reg_u32);
/* XSTALLCap */
reg_u32 = priv->CrystalCap & 0xf;
rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, bXtalCap,
reg_u32);
}
/* Check if the CCK HighPower is turned ON.
* This is used to calculate PWDB.
*/
priv->bCckHighPower = (u8)rtl8192_QueryBBReg(dev,
rFPGA0_XA_HSSIParameter2,
0x200);
}
/******************************************************************************
* function: This function initializes BB&RF
* input: net_device *dev
* output: none
* return: none
* notice: Initialization value may change all the time, so please make
* sure it has been synced with the newest.
*****************************************************************************/
void rtl8192_BBConfig(struct net_device *dev)
{
rtl8192_InitBBRFRegDef(dev);
/* config BB&RF. As hardCode based initialization has not been well
* implemented, so use file first.
* FIXME: should implement it for hardcode?
*/
rtl8192_BB_Config_ParaFile(dev);
}
/******************************************************************************
* function: This function obtains the initialization value of Tx power Level
* offset
* input: net_device *dev
* output: none
* return: none
*****************************************************************************/
void rtl8192_phy_getTxPower(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 tmp;
read_nic_dword(dev, rTxAGC_Rate18_06,
&priv->MCSTxPowerLevelOriginalOffset[0]);
read_nic_dword(dev, rTxAGC_Rate54_24,
&priv->MCSTxPowerLevelOriginalOffset[1]);
read_nic_dword(dev, rTxAGC_Mcs03_Mcs00,
&priv->MCSTxPowerLevelOriginalOffset[2]);
read_nic_dword(dev, rTxAGC_Mcs07_Mcs04,
&priv->MCSTxPowerLevelOriginalOffset[3]);
read_nic_dword(dev, rTxAGC_Mcs11_Mcs08,
&priv->MCSTxPowerLevelOriginalOffset[4]);
read_nic_dword(dev, rTxAGC_Mcs15_Mcs12,
&priv->MCSTxPowerLevelOriginalOffset[5]);
/* Read rx initial gain */
read_nic_byte(dev, rOFDM0_XAAGCCore1, &priv->DefaultInitialGain[0]);
read_nic_byte(dev, rOFDM0_XBAGCCore1, &priv->DefaultInitialGain[1]);
read_nic_byte(dev, rOFDM0_XCAGCCore1, &priv->DefaultInitialGain[2]);
read_nic_byte(dev, rOFDM0_XDAGCCore1, &priv->DefaultInitialGain[3]);
RT_TRACE(COMP_INIT,
"Default initial gain (c50=0x%x, c58=0x%x, c60=0x%x, c68=0x%x)\n",
priv->DefaultInitialGain[0], priv->DefaultInitialGain[1],
priv->DefaultInitialGain[2], priv->DefaultInitialGain[3]);
/* Read framesync */
read_nic_byte(dev, rOFDM0_RxDetector3, &priv->framesync);
read_nic_byte(dev, rOFDM0_RxDetector2, &tmp);
priv->framesyncC34 = tmp;
RT_TRACE(COMP_INIT, "Default framesync (0x%x) = 0x%x\n",
rOFDM0_RxDetector3, priv->framesync);
/* Read SIFS (save the value read fome MACPHY_REG.txt) */
read_nic_word(dev, SIFS, &priv->SifsTime);
}
/******************************************************************************
* function: This function sets the initialization value of Tx power Level
* offset
* input: net_device *dev
* u8 channel
* output: none
* return: none
******************************************************************************/
void rtl8192_phy_setTxPower(struct net_device *dev, u8 channel)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 powerlevel = priv->TxPowerLevelCCK[channel-1];
u8 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1];
switch (priv->rf_chip) {
case RF_8256:
/* need further implement */
phy_set_rf8256_cck_tx_power(dev, powerlevel);
phy_set_rf8256_ofdm_tx_power(dev, powerlevelOFDM24G);
break;
default:
RT_TRACE((COMP_PHY|COMP_ERR),
"error RF chipID(8225 or 8258) in function %s()\n",
__func__);
break;
}
}
/******************************************************************************
* function: This function checks Rf chip to do RF config
* input: net_device *dev
* output: none
* return: only 8256 is supported
******************************************************************************/
void rtl8192_phy_RFConfig(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
switch (priv->rf_chip) {
case RF_8256:
phy_rf8256_config(dev);
break;
default:
RT_TRACE(COMP_ERR, "error chip id\n");
break;
}
}
/******************************************************************************
* function: This function updates Initial gain
* input: net_device *dev
* output: none
* return: As Windows has not implemented this, wait for complement
******************************************************************************/
void rtl8192_phy_updateInitGain(struct net_device *dev)
{
}
/******************************************************************************
* function: This function read RF parameters from general head file,
* and do RF 3-wire
* input: net_device *dev
* rf90_radio_path_e e_rfpath
* output: none
* return: return code show if RF configuration is successful(0:pass, 1:fail)
* notice: Delay may be required for RF configuration
*****************************************************************************/
u8 rtl8192_phy_ConfigRFWithHeaderFile(struct net_device *dev,
enum rf90_radio_path_e e_rfpath)
{
int i;
switch (e_rfpath) {
case RF90_PATH_A:
for (i = 0; i < RadioA_ArrayLength; i = i+2) {
if (Rtl8192UsbRadioA_Array[i] == 0xfe) {
mdelay(100);
continue;
}
rtl8192_phy_SetRFReg(dev, e_rfpath,
Rtl8192UsbRadioA_Array[i],
bMask12Bits,
Rtl8192UsbRadioA_Array[i+1]);
mdelay(1);
}
break;
case RF90_PATH_B:
for (i = 0; i < RadioB_ArrayLength; i = i+2) {
if (Rtl8192UsbRadioB_Array[i] == 0xfe) {
mdelay(100);
continue;
}
rtl8192_phy_SetRFReg(dev, e_rfpath,
Rtl8192UsbRadioB_Array[i],
bMask12Bits,
Rtl8192UsbRadioB_Array[i+1]);
mdelay(1);
}
break;
case RF90_PATH_C:
for (i = 0; i < RadioC_ArrayLength; i = i+2) {
if (Rtl8192UsbRadioC_Array[i] == 0xfe) {
mdelay(100);
continue;
}
rtl8192_phy_SetRFReg(dev, e_rfpath,
Rtl8192UsbRadioC_Array[i],
bMask12Bits,
Rtl8192UsbRadioC_Array[i+1]);
mdelay(1);
}
break;
case RF90_PATH_D:
for (i = 0; i < RadioD_ArrayLength; i = i+2) {
if (Rtl8192UsbRadioD_Array[i] == 0xfe) {
mdelay(100);
continue;
}
rtl8192_phy_SetRFReg(dev, e_rfpath,
Rtl8192UsbRadioD_Array[i],
bMask12Bits,
Rtl8192UsbRadioD_Array[i+1]);
mdelay(1);
}
break;
default:
break;
}
return 0;
}
/******************************************************************************
* function: This function sets Tx Power of the channel
* input: net_device *dev
* u8 channel
* output: none
* return: none
* notice:
******************************************************************************/
static void rtl8192_SetTxPowerLevel(struct net_device *dev, u8 channel)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 powerlevel = priv->TxPowerLevelCCK[channel-1];
u8 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1];
switch (priv->rf_chip) {
case RF_8225:
break;
case RF_8256:
phy_set_rf8256_cck_tx_power(dev, powerlevel);
phy_set_rf8256_ofdm_tx_power(dev, powerlevelOFDM24G);
break;
case RF_8258:
break;
default:
RT_TRACE(COMP_ERR, "unknown rf chip ID in %s()\n", __func__);
break;
}
}
/******************************************************************************
* function: This function sets command table variable (struct sw_chnl_cmd).
* input: sw_chnl_cmd *CmdTable //table to be set
* u32 CmdTableIdx //variable index in table to be set
* u32 CmdTableSz //table size
* switch_chan_cmd_id CmdID //command ID to set
* u32 Para1
* u32 Para2
* u32 msDelay
* output:
* return: true if finished, false otherwise
* notice:
******************************************************************************/
static u8 rtl8192_phy_SetSwChnlCmdArray(struct sw_chnl_cmd *CmdTable, u32 CmdTableIdx,
u32 CmdTableSz, enum switch_chan_cmd_id CmdID,
u32 Para1, u32 Para2, u32 msDelay)
{
struct sw_chnl_cmd *pCmd;
if (!CmdTable) {
RT_TRACE(COMP_ERR, "%s(): CmdTable cannot be NULL\n", __func__);
return false;
}
if (CmdTableIdx >= CmdTableSz) {
RT_TRACE(COMP_ERR, "%s(): Access invalid index, please check size of the table, CmdTableIdx:%d, CmdTableSz:%d\n",
__func__, CmdTableIdx, CmdTableSz);
return false;
}
pCmd = CmdTable + CmdTableIdx;
pCmd->cmd_id = CmdID;
pCmd->para_1 = Para1;
pCmd->para_2 = Para2;
pCmd->ms_delay = msDelay;
return true;
}
/******************************************************************************
* function: This function sets channel step by step
* input: net_device *dev
* u8 channel
* u8 *stage //3 stages
* u8 *step
* u32 *delay //whether need to delay
* output: store new stage, step and delay for next step
* (combine with function above)
* return: true if finished, false otherwise
* notice: Wait for simpler function to replace it
*****************************************************************************/
static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel,
u8 *stage, u8 *step, u32 *delay)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct sw_chnl_cmd *pre_cmd;
u32 pre_cmd_cnt = 0;
struct sw_chnl_cmd *post_cmd;
u32 post_cmd_cnt = 0;
struct sw_chnl_cmd *rf_cmd;
u32 rf_cmd_cnt = 0;
struct sw_chnl_cmd *current_cmd = NULL;
u8 e_rfpath;
bool ret;
pre_cmd = kcalloc(MAX_PRECMD_CNT, sizeof(*pre_cmd), GFP_KERNEL);
if (!pre_cmd)
return false;
post_cmd = kcalloc(MAX_POSTCMD_CNT, sizeof(*post_cmd), GFP_KERNEL);
if (!post_cmd) {
kfree(pre_cmd);
return false;
}
rf_cmd = kcalloc(MAX_RFDEPENDCMD_CNT, sizeof(*rf_cmd), GFP_KERNEL);
if (!rf_cmd) {
kfree(pre_cmd);
kfree(post_cmd);
return false;
}
RT_TRACE(COMP_CH, "%s() stage: %d, step: %d, channel: %d\n",
__func__, *stage, *step, channel);
if (!is_legal_channel(priv->ieee80211, channel)) {
RT_TRACE(COMP_ERR, "set to illegal channel: %d\n", channel);
/* return true to tell upper caller function this channel
* setting is finished! Or it will in while loop.
*/
ret = true;
goto out;
}
/* FIXME: need to check whether channel is legal or not here */
/* <1> Fill up pre common command. */
rtl8192_phy_SetSwChnlCmdArray(pre_cmd, pre_cmd_cnt++,
MAX_PRECMD_CNT, CMD_ID_SET_TX_PWR_LEVEL,
0, 0, 0);
rtl8192_phy_SetSwChnlCmdArray(pre_cmd, pre_cmd_cnt++,
MAX_PRECMD_CNT, CMD_ID_END, 0, 0, 0);
/* <2> Fill up post common command. */
rtl8192_phy_SetSwChnlCmdArray(post_cmd, post_cmd_cnt++,
MAX_POSTCMD_CNT, CMD_ID_END, 0, 0, 0);
/* <3> Fill up RF dependent command. */
switch (priv->rf_chip) {
case RF_8225:
if (!(channel >= 1 && channel <= 14)) {
RT_TRACE(COMP_ERR,
"illegal channel for Zebra 8225: %d\n",
channel);
ret = true;
goto out;
}
rtl8192_phy_SetSwChnlCmdArray(rf_cmd, rf_cmd_cnt++,
MAX_RFDEPENDCMD_CNT,
CMD_ID_RF_WRITE_REG,
rZebra1_Channel,
RF_CHANNEL_TABLE_ZEBRA[channel],
10);
rtl8192_phy_SetSwChnlCmdArray(rf_cmd, rf_cmd_cnt++,
MAX_RFDEPENDCMD_CNT,
CMD_ID_END, 0, 0, 0);
break;
case RF_8256:
/* TEST!! This is not the table for 8256!! */
if (!(channel >= 1 && channel <= 14)) {
RT_TRACE(COMP_ERR,
"illegal channel for Zebra 8256: %d\n",
channel);
ret = true;
goto out;
}
rtl8192_phy_SetSwChnlCmdArray(rf_cmd, rf_cmd_cnt++,
MAX_RFDEPENDCMD_CNT,
CMD_ID_RF_WRITE_REG,
rZebra1_Channel, channel, 10);
rtl8192_phy_SetSwChnlCmdArray(rf_cmd, rf_cmd_cnt++,
MAX_RFDEPENDCMD_CNT,
CMD_ID_END, 0, 0, 0);
break;
case RF_8258:
break;
default:
RT_TRACE(COMP_ERR, "Unknown RFChipID: %d\n", priv->rf_chip);
ret = true;
goto out;
}
do {
switch (*stage) {
case 0:
current_cmd = &pre_cmd[*step];
break;
case 1:
current_cmd = &rf_cmd[*step];
break;
case 2:
current_cmd = &post_cmd[*step];
break;
}
if (current_cmd->cmd_id == CMD_ID_END) {
if ((*stage) == 2) {
*delay = current_cmd->ms_delay;
ret = true;
goto out;
}
(*stage)++;
(*step) = 0;
continue;
}
switch (current_cmd->cmd_id) {
case CMD_ID_SET_TX_PWR_LEVEL:
if (priv->card_8192_version == VERSION_819XU_A)
/* consider it later! */
rtl8192_SetTxPowerLevel(dev, channel);
break;
case CMD_ID_WRITE_PORT_ULONG:
write_nic_dword(dev, current_cmd->para_1,
current_cmd->para_2);
break;
case CMD_ID_WRITE_PORT_USHORT:
write_nic_word(dev, current_cmd->para_1,
(u16)current_cmd->para_2);
break;
case CMD_ID_WRITE_PORT_UCHAR:
write_nic_byte(dev, current_cmd->para_1,
(u8)current_cmd->para_2);
break;
case CMD_ID_RF_WRITE_REG:
for (e_rfpath = 0; e_rfpath < RF90_PATH_MAX; e_rfpath++) {
rtl8192_phy_SetRFReg(dev,
(enum rf90_radio_path_e)e_rfpath,
current_cmd->para_1,
bZebra1_ChannelNum,
current_cmd->para_2);
}
break;
default:
break;
}
break;
} while (true);
*delay = current_cmd->ms_delay;
(*step)++;
ret = false;
out:
kfree(pre_cmd);
kfree(post_cmd);
kfree(rf_cmd);
return ret;
}
/******************************************************************************
* function: This function does actually set channel work
* input: net_device *dev
* u8 channel
* output: none
* return: none
* notice: We should not call this function directly
*****************************************************************************/
static void rtl8192_phy_FinishSwChnlNow(struct net_device *dev, u8 channel)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 delay = 0;
while (!rtl8192_phy_SwChnlStepByStep(dev, channel, &priv->SwChnlStage,
&priv->SwChnlStep, &delay)) {
if (!priv->up)
break;
}
}
/******************************************************************************
* function: Callback routine of the work item for switch channel.
* input: net_device *dev
*
* output: none
* return: none
*****************************************************************************/
void rtl8192_SwChnl_WorkItem(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_CH, "==> SwChnlCallback819xUsbWorkItem(), chan:%d\n",
priv->chan);
rtl8192_phy_FinishSwChnlNow(dev, priv->chan);
RT_TRACE(COMP_CH, "<== SwChnlCallback819xUsbWorkItem()\n");
}
/******************************************************************************
* function: This function scheduled actual work item to set channel
* input: net_device *dev
* u8 channel //channel to set
* output: none
* return: return code show if workitem is scheduled (1:pass, 0:fail)
* notice: Delay may be required for RF configuration
******************************************************************************/
u8 rtl8192_phy_SwChnl(struct net_device *dev, u8 channel)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_CH, "%s(), SwChnlInProgress: %d\n", __func__,
priv->SwChnlInProgress);
if (!priv->up)
return false;
if (priv->SwChnlInProgress)
return false;
/* -------------------------------------------- */
switch (priv->ieee80211->mode) {
case WIRELESS_MODE_A:
case WIRELESS_MODE_N_5G:
if (channel <= 14) {
RT_TRACE(COMP_ERR, "WIRELESS_MODE_A but channel<=14\n");
return false;
}
break;
case WIRELESS_MODE_B:
if (channel > 14) {
RT_TRACE(COMP_ERR, "WIRELESS_MODE_B but channel>14\n");
return false;
}
break;
case WIRELESS_MODE_G:
case WIRELESS_MODE_N_24G:
if (channel > 14) {
RT_TRACE(COMP_ERR, "WIRELESS_MODE_G but channel>14\n");
return false;
}
break;
}
/* -------------------------------------------- */
priv->SwChnlInProgress = true;
if (channel == 0)
channel = 1;
priv->chan = channel;
priv->SwChnlStage = 0;
priv->SwChnlStep = 0;
if (priv->up)
rtl8192_SwChnl_WorkItem(dev);
priv->SwChnlInProgress = false;
return true;
}
/******************************************************************************
* function: Callback routine of the work item for set bandwidth mode.
* input: net_device *dev
* output: none
* return: none
* notice: I doubt whether SetBWModeInProgress flag is necessary as we can
* test whether current work in the queue or not.//do I?
*****************************************************************************/
void rtl8192_SetBWModeWorkItem(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 regBwOpMode;
RT_TRACE(COMP_SWBW, "%s() Switch to %s bandwidth\n", __func__,
priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20?"20MHz":"40MHz");
if (priv->rf_chip == RF_PSEUDO_11N) {
priv->SetBWModeInProgress = false;
return;
}
/* <1> Set MAC register */
read_nic_byte(dev, BW_OPMODE, ®BwOpMode);
switch (priv->CurrentChannelBW) {
case HT_CHANNEL_WIDTH_20:
regBwOpMode |= BW_OPMODE_20MHZ;
/* We have not verify whether this register works */
write_nic_byte(dev, BW_OPMODE, regBwOpMode);
break;
case HT_CHANNEL_WIDTH_20_40:
regBwOpMode &= ~BW_OPMODE_20MHZ;
/* We have not verify whether this register works */
write_nic_byte(dev, BW_OPMODE, regBwOpMode);
break;
default:
RT_TRACE(COMP_ERR,
"SetChannelBandwidth819xUsb(): unknown Bandwidth: %#X\n",
priv->CurrentChannelBW);
break;
}
/* <2> Set PHY related register */
switch (priv->CurrentChannelBW) {
case HT_CHANNEL_WIDTH_20:
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x0);
rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x0);
rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1,
0x00100000, 1);
/* Correct the tx power for CCK rate in 20M. */
priv->cck_present_attenuation =
priv->cck_present_attenuation_20Mdefault +
priv->cck_present_attenuation_difference;
if (priv->cck_present_attenuation > 22)
priv->cck_present_attenuation = 22;
if (priv->cck_present_attenuation < 0)
priv->cck_present_attenuation = 0;
RT_TRACE(COMP_INIT,
"20M, pHalData->CCKPresentAttentuation = %d\n",
priv->cck_present_attenuation);
if (priv->chan == 14 && !priv->bcck_in_ch14) {
priv->bcck_in_ch14 = true;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else if (priv->chan != 14 && priv->bcck_in_ch14) {
priv->bcck_in_ch14 = false;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else {
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
}
break;
case HT_CHANNEL_WIDTH_20_40:
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x1);
rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x1);
rtl8192_setBBreg(dev, rCCK0_System, bCCKSideBand,
priv->nCur40MhzPrimeSC >> 1);
rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x00100000, 0);
rtl8192_setBBreg(dev, rOFDM1_LSTF, 0xC00,
priv->nCur40MhzPrimeSC);
priv->cck_present_attenuation =
priv->cck_present_attenuation_40Mdefault +
priv->cck_present_attenuation_difference;
if (priv->cck_present_attenuation > 22)
priv->cck_present_attenuation = 22;
if (priv->cck_present_attenuation < 0)
priv->cck_present_attenuation = 0;
RT_TRACE(COMP_INIT,
"40M, pHalData->CCKPresentAttentuation = %d\n",
priv->cck_present_attenuation);
if (priv->chan == 14 && !priv->bcck_in_ch14) {
priv->bcck_in_ch14 = true;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else if (priv->chan != 14 && priv->bcck_in_ch14) {
priv->bcck_in_ch14 = false;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else {
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
}
break;
default:
RT_TRACE(COMP_ERR,
"SetChannelBandwidth819xUsb(): unknown Bandwidth: %#X\n",
priv->CurrentChannelBW);
break;
}
/* Skip over setting of J-mode in BB register here.
* Default value is "None J mode".
*/
/* <3> Set RF related register */
switch (priv->rf_chip) {
case RF_8225:
break;
case RF_8256:
phy_set_rf8256_bandwidth(dev, priv->CurrentChannelBW);
break;
case RF_8258:
break;
case RF_PSEUDO_11N:
break;
default:
RT_TRACE(COMP_ERR, "Unknown RFChipID: %d\n", priv->rf_chip);
break;
}
priv->SetBWModeInProgress = false;
RT_TRACE(COMP_SWBW, "<==SetBWMode819xUsb(), %d\n",
atomic_read(&priv->ieee80211->atm_swbw));
}
/******************************************************************************
* function: This function schedules bandwidth switch work.
* input: struct net_deviceq *dev
* HT_CHANNEL_WIDTH bandwidth //20M or 40M
* HT_EXTCHNL_OFFSET offset //Upper, Lower, or Don't care
* output: none
* return: none
* notice: I doubt whether SetBWModeInProgress flag is necessary as we can
* test whether current work in the queue or not.//do I?
*****************************************************************************/
void rtl8192_SetBWMode(struct net_device *dev,
enum ht_channel_width bandwidth,
enum ht_extension_chan_offset offset)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->SetBWModeInProgress)
return;
priv->SetBWModeInProgress = true;
priv->CurrentChannelBW = bandwidth;
if (offset == HT_EXTCHNL_OFFSET_LOWER)
priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_UPPER;
else if (offset == HT_EXTCHNL_OFFSET_UPPER)
priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_LOWER;
else
priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
rtl8192_SetBWModeWorkItem(dev);
}
void InitialGain819xUsb(struct net_device *dev, u8 Operation)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->InitialGainOperateType = Operation;
if (priv->up)
queue_delayed_work(priv->priv_wq, &priv->initialgain_operate_wq, 0);
}
void InitialGainOperateWorkItemCallBack(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct r8192_priv *priv = container_of(dwork, struct r8192_priv,
initialgain_operate_wq);
struct net_device *dev = priv->ieee80211->dev;
#define SCAN_RX_INITIAL_GAIN 0x17
#define POWER_DETECTION_TH 0x08
u32 bitmask;
u8 initial_gain;
u8 Operation;
Operation = priv->InitialGainOperateType;
switch (Operation) {
case IG_Backup:
RT_TRACE(COMP_SCAN, "IG_Backup, backup the initial gain.\n");
initial_gain = SCAN_RX_INITIAL_GAIN;
bitmask = bMaskByte0;
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM)
/* FW DIG OFF */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8);
priv->initgain_backup.xaagccore1 =
(u8)rtl8192_QueryBBReg(dev, rOFDM0_XAAGCCore1, bitmask);
priv->initgain_backup.xbagccore1 =
(u8)rtl8192_QueryBBReg(dev, rOFDM0_XBAGCCore1, bitmask);
priv->initgain_backup.xcagccore1 =
(u8)rtl8192_QueryBBReg(dev, rOFDM0_XCAGCCore1, bitmask);
priv->initgain_backup.xdagccore1 =
(u8)rtl8192_QueryBBReg(dev, rOFDM0_XDAGCCore1, bitmask);
bitmask = bMaskByte2;
priv->initgain_backup.cca =
(u8)rtl8192_QueryBBReg(dev, rCCK0_CCA, bitmask);
RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc50 is %x\n",
priv->initgain_backup.xaagccore1);
RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc58 is %x\n",
priv->initgain_backup.xbagccore1);
RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc60 is %x\n",
priv->initgain_backup.xcagccore1);
RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc68 is %x\n",
priv->initgain_backup.xdagccore1);
RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xa0a is %x\n",
priv->initgain_backup.cca);
RT_TRACE(COMP_SCAN, "Write scan initial gain = 0x%x\n",
initial_gain);
write_nic_byte(dev, rOFDM0_XAAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XBAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XCAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XDAGCCore1, initial_gain);
RT_TRACE(COMP_SCAN, "Write scan 0xa0a = 0x%x\n",
POWER_DETECTION_TH);
write_nic_byte(dev, 0xa0a, POWER_DETECTION_TH);
break;
case IG_Restore:
RT_TRACE(COMP_SCAN, "IG_Restore, restore the initial gain.\n");
bitmask = 0x7f; /* Bit0 ~ Bit6 */
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM)
/* FW DIG OFF */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8);
rtl8192_setBBreg(dev, rOFDM0_XAAGCCore1, bitmask,
(u32)priv->initgain_backup.xaagccore1);
rtl8192_setBBreg(dev, rOFDM0_XBAGCCore1, bitmask,
(u32)priv->initgain_backup.xbagccore1);
rtl8192_setBBreg(dev, rOFDM0_XCAGCCore1, bitmask,
(u32)priv->initgain_backup.xcagccore1);
rtl8192_setBBreg(dev, rOFDM0_XDAGCCore1, bitmask,
(u32)priv->initgain_backup.xdagccore1);
bitmask = bMaskByte2;
rtl8192_setBBreg(dev, rCCK0_CCA, bitmask,
(u32)priv->initgain_backup.cca);
RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc50 is %x\n",
priv->initgain_backup.xaagccore1);
RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc58 is %x\n",
priv->initgain_backup.xbagccore1);
RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc60 is %x\n",
priv->initgain_backup.xcagccore1);
RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc68 is %x\n",
priv->initgain_backup.xdagccore1);
RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xa0a is %x\n",
priv->initgain_backup.cca);
rtl8192_phy_setTxPower(dev, priv->ieee80211->current_network.channel);
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM)
/* FW DIG ON */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x1);
break;
default:
RT_TRACE(COMP_SCAN, "Unknown IG Operation.\n");
break;
}
}
| linux-master | drivers/staging/rtl8192u/r819xU_phy.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved.
*
* Module: r819xusb_cmdpkt.c
* (RTL8190 TX/RX command packet handler Source C File)
*
* Note: The module is responsible for handling TX and RX command packet.
* 1. TX : Send set and query configuration command packet.
* 2. RX : Receive tx feedback, beacon state, query configuration
* command packet.
*
* Function:
*
* Export:
*
* Abbrev:
*
* History:
*
* Date Who Remark
* 05/06/2008 amy Create initial version porting from
* windows driver.
*
******************************************************************************/
#include "r8192U.h"
#include "r819xU_cmdpkt.h"
rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct sk_buff *skb;
struct cb_desc *tcb_desc;
/* Get TCB and local buffer from common pool.
* (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
*/
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
if (!skb)
return RT_STATUS_FAILURE;
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_NORMAL;
tcb_desc->bLastIniPkt = 0;
skb_reserve(skb, USB_HWDESC_HEADER_LEN);
skb_put_data(skb, pData, DataLen);
tcb_desc->txbuf_size = (u16)DataLen;
if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) ||
(priv->ieee80211->queue_stop)) {
RT_TRACE(COMP_FIRMWARE, "=== NULL packet ======> tx full!\n");
skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
} else {
priv->ieee80211->softmac_hard_start_xmit(skb, dev);
}
return RT_STATUS_SUCCESS;
}
static void cmpk_count_txstatistic(struct net_device *dev, struct cmd_pkt_tx_feedback *pstx_fb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef ENABLE_PS
RT_RF_POWER_STATE rtState;
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
/* When RF is off, we should not count the packet for hw/sw synchronize
* reason, ie. there may be a duration while sw switch is changed and
* hw switch is being changed.
*/
if (rtState == eRfOff)
return;
#endif
#ifdef TODO
if (pAdapter->bInHctTest)
return;
#endif
/* We can not know the packet length and transmit type:
* broadcast or uni or multicast. So the relative statistics
* must be collected in tx feedback info.
*/
if (pstx_fb->tok) {
priv->stats.txfeedbackok++;
priv->stats.txoktotal++;
priv->stats.txokbytestotal += pstx_fb->pkt_length;
priv->stats.txokinperiod++;
/* We can not make sure broadcast/multicast or unicast mode. */
if (pstx_fb->pkt_type == PACKET_MULTICAST) {
priv->stats.txmulticast++;
priv->stats.txbytesmulticast += pstx_fb->pkt_length;
} else if (pstx_fb->pkt_type == PACKET_BROADCAST) {
priv->stats.txbroadcast++;
priv->stats.txbytesbroadcast += pstx_fb->pkt_length;
} else {
priv->stats.txunicast++;
priv->stats.txbytesunicast += pstx_fb->pkt_length;
}
} else {
priv->stats.txfeedbackfail++;
priv->stats.txerrtotal++;
priv->stats.txerrbytestotal += pstx_fb->pkt_length;
/* We can not make sure broadcast/multicast or unicast mode. */
if (pstx_fb->pkt_type == PACKET_MULTICAST)
priv->stats.txerrmulticast++;
else if (pstx_fb->pkt_type == PACKET_BROADCAST)
priv->stats.txerrbroadcast++;
else
priv->stats.txerrunicast++;
}
priv->stats.txretrycount += pstx_fb->retry_cnt;
priv->stats.txfeedbackretry += pstx_fb->retry_cnt;
}
/*-----------------------------------------------------------------------------
* Function: cmpk_handle_tx_feedback()
*
* Overview: The function is responsible for extract the message inside TX
* feedbck message from firmware. It will contain dedicated info in
* ws-06-0063-rtl8190-command-packet-specification.
* Please refer to chapter "TX Feedback Element".
* We have to read 20 bytes in the command packet.
*
* Input: struct net_device *dev
* u8 *pmsg - Msg Ptr of the command packet.
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/08/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------
*/
static void cmpk_handle_tx_feedback(struct net_device *dev, u8 *pmsg)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct cmd_pkt_tx_feedback rx_tx_fb;
priv->stats.txfeedback++;
/* 1. Extract TX feedback info from RFD to temp structure buffer. */
/* It seems that FW use big endian(MIPS) and DRV use little endian in
* windows OS. So we have to read the content byte by byte or transfer
* endian type before copy the message copy.
*/
/* Use pointer to transfer structure memory. */
memcpy((u8 *)&rx_tx_fb, pmsg, sizeof(struct cmd_pkt_tx_feedback));
/* 2. Use tx feedback info to count TX statistics. */
cmpk_count_txstatistic(dev, &rx_tx_fb);
/* Comment previous method for TX statistic function. */
/* Collect info TX feedback packet to fill TCB. */
/* We can not know the packet length and transmit type: broadcast or uni
* or multicast.
*/
}
static void cmdpkt_beacontimerinterrupt_819xusb(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u16 tx_rate;
/* 87B have to S/W beacon for DTM encryption_cmn. */
if (priv->ieee80211->current_network.mode == IEEE_A ||
priv->ieee80211->current_network.mode == IEEE_N_5G ||
(priv->ieee80211->current_network.mode == IEEE_N_24G &&
(!priv->ieee80211->pHTInfo->bCurSuppCCK))) {
tx_rate = 60;
DMESG("send beacon frame tx rate is 6Mbpm\n");
} else {
tx_rate = 10;
DMESG("send beacon frame tx rate is 1Mbpm\n");
}
rtl819xusb_beacon_tx(dev, tx_rate); /* HW Beacon */
}
/*-----------------------------------------------------------------------------
* Function: cmpk_handle_interrupt_status()
*
* Overview: The function is responsible for extract the message from
* firmware. It will contain dedicated info in
* ws-07-0063-v06-rtl819x-command-packet-specification-070315.doc.
* Please refer to chapter "Interrupt Status Element".
*
* Input: struct net_device *dev
* u8 *pmsg - Message Pointer of the command packet.
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/12/2008 amy Add this for rtl8192 porting from windows code.
*
*---------------------------------------------------------------------------
*/
static void cmpk_handle_interrupt_status(struct net_device *dev, u8 *pmsg)
{
struct cmd_pkt_interrupt_status rx_intr_status; /* */
struct r8192_priv *priv = ieee80211_priv(dev);
DMESG("---> cmpk_Handle_Interrupt_Status()\n");
/* 1. Extract TX feedback info from RFD to temp structure buffer. */
/* It seems that FW use big endian(MIPS) and DRV use little endian in
* windows OS. So we have to read the content byte by byte or transfer
* endian type before copy the message copy.
*/
rx_intr_status.length = pmsg[1];
if (rx_intr_status.length != (sizeof(struct cmd_pkt_interrupt_status) - 2)) {
DMESG("cmpk_Handle_Interrupt_Status: wrong length!\n");
return;
}
/* Statistics of beacon for ad-hoc mode. */
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
/* 2 maybe need endian transform? */
rx_intr_status.interrupt_status = *((u32 *)(pmsg + 4));
DMESG("interrupt status = 0x%x\n",
rx_intr_status.interrupt_status);
if (rx_intr_status.interrupt_status & ISR_TX_BCN_OK) {
priv->ieee80211->bibsscoordinator = true;
priv->stats.txbeaconokint++;
} else if (rx_intr_status.interrupt_status & ISR_TX_BCN_ERR) {
priv->ieee80211->bibsscoordinator = false;
priv->stats.txbeaconerr++;
}
if (rx_intr_status.interrupt_status & ISR_BCN_TIMER_INTR)
cmdpkt_beacontimerinterrupt_819xusb(dev);
}
/* Other information in interrupt status we need? */
DMESG("<---- cmpk_handle_interrupt_status()\n");
}
/*-----------------------------------------------------------------------------
* Function: cmpk_count_tx_status()
*
* Overview: Count aggregated tx status from firmwar of one type rx command
* packet element id = RX_TX_STATUS.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/12/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------
*/
static void cmpk_count_tx_status(struct net_device *dev,
cmpk_tx_status_t *pstx_status)
{
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef ENABLE_PS
RT_RF_POWER_STATE rtstate;
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
/* When RF is off, we should not count the packet for hw/sw synchronize
* reason, ie. there may be a duration while sw switch is changed and
* hw switch is being changed.
*/
if (rtState == eRfOff)
return;
#endif
priv->stats.txfeedbackok += pstx_status->txok;
priv->stats.txoktotal += pstx_status->txok;
priv->stats.txfeedbackfail += pstx_status->txfail;
priv->stats.txerrtotal += pstx_status->txfail;
priv->stats.txretrycount += pstx_status->txretry;
priv->stats.txfeedbackretry += pstx_status->txretry;
priv->stats.txmulticast += pstx_status->txmcok;
priv->stats.txbroadcast += pstx_status->txbcok;
priv->stats.txunicast += pstx_status->txucok;
priv->stats.txerrmulticast += pstx_status->txmcfail;
priv->stats.txerrbroadcast += pstx_status->txbcfail;
priv->stats.txerrunicast += pstx_status->txucfail;
priv->stats.txbytesmulticast += pstx_status->txmclength;
priv->stats.txbytesbroadcast += pstx_status->txbclength;
priv->stats.txbytesunicast += pstx_status->txuclength;
priv->stats.last_packet_rate = pstx_status->rate;
}
/*-----------------------------------------------------------------------------
* Function: cmpk_handle_tx_status()
*
* Overview: Firmware add a new tx feedback status to reduce rx command
* packet buffer operation load.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/12/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------
*/
static void cmpk_handle_tx_status(struct net_device *dev, u8 *pmsg)
{
cmpk_tx_status_t rx_tx_sts;
memcpy((void *)&rx_tx_sts, (void *)pmsg, sizeof(cmpk_tx_status_t));
/* 2. Use tx feedback info to count TX statistics. */
cmpk_count_tx_status(dev, &rx_tx_sts);
}
/*-----------------------------------------------------------------------------
* Function: cmpk_handle_tx_rate_history()
*
* Overview: Firmware add a new tx rate history
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/12/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------
*/
static void cmpk_handle_tx_rate_history(struct net_device *dev, u8 *pmsg)
{
cmpk_tx_rahis_t *ptxrate;
u8 i, j;
u16 length = sizeof(cmpk_tx_rahis_t);
u32 *ptemp;
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef ENABLE_PS
pAdapter->HalFunc.GetHwRegHandler(pAdapter, HW_VAR_RF_STATE,
(pu1Byte)(&rtState));
/* When RF is off, we should not count the packet for hw/sw synchronize
* reason, ie. there may be a duration while sw switch is changed and
* hw switch is being changed.
*/
if (rtState == eRfOff)
return;
#endif
ptemp = (u32 *)pmsg;
/* Do endian transfer to word alignment(16 bits) for windows system.
* You must do different endian transfer for linux and MAC OS
*/
for (i = 0; i < (length/4); i++) {
u16 temp1, temp2;
temp1 = ptemp[i] & 0x0000FFFF;
temp2 = ptemp[i] >> 16;
ptemp[i] = (temp1 << 16) | temp2;
}
ptxrate = (cmpk_tx_rahis_t *)pmsg;
if (!ptxrate)
return;
for (i = 0; i < 16; i++) {
/* Collect CCK rate packet num */
if (i < 4)
priv->stats.txrate.cck[i] += ptxrate->cck[i];
/* Collect OFDM rate packet num */
if (i < 8)
priv->stats.txrate.ofdm[i] += ptxrate->ofdm[i];
for (j = 0; j < 4; j++)
priv->stats.txrate.ht_mcs[j][i] += ptxrate->ht_mcs[j][i];
}
}
/*-----------------------------------------------------------------------------
* Function: cmpk_message_handle_rx()
*
* Overview: In the function, we will capture different RX command packet
* info. Every RX command packet element has different message
* length and meaning in content. We only support three type of RX
* command packet now. Please refer to document
* ws-06-0063-rtl8190-command-packet-specification.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 05/06/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------
*/
u32 cmpk_message_handle_rx(struct net_device *dev,
struct ieee80211_rx_stats *pstats)
{
int total_length;
u8 cmd_length, exe_cnt = 0;
u8 element_id;
u8 *pcmd_buff;
/* 0. Check inpt arguments. It is a command queue message or
* pointer is null.
*/
if (!pstats)
return 0; /* This is not a command packet. */
/* 1. Read received command packet message length from RFD. */
total_length = pstats->Length;
/* 2. Read virtual address from RFD. */
pcmd_buff = pstats->virtual_address;
/* 3. Read command packet element id and length. */
element_id = pcmd_buff[0];
/* 4. Check every received command packet content according to different
* element type. Because FW may aggregate RX command packet to
* minimize transmit time between DRV and FW.
*/
/* Add a counter to prevent the lock in the loop from being held too
* long
*/
while (total_length > 0 && exe_cnt++ < 100) {
/* We support aggregation of different cmd in the same packet */
element_id = pcmd_buff[0];
switch (element_id) {
case RX_TX_FEEDBACK:
cmpk_handle_tx_feedback(dev, pcmd_buff);
cmd_length = CMPK_RX_TX_FB_SIZE;
break;
case RX_INTERRUPT_STATUS:
cmpk_handle_interrupt_status(dev, pcmd_buff);
cmd_length = sizeof(struct cmd_pkt_interrupt_status);
break;
case BOTH_QUERY_CONFIG:
cmd_length = CMPK_BOTH_QUERY_CONFIG_SIZE;
break;
case RX_TX_STATUS:
cmpk_handle_tx_status(dev, pcmd_buff);
cmd_length = CMPK_RX_TX_STS_SIZE;
break;
case RX_TX_PER_PKT_FEEDBACK:
/* You must at lease add a switch case element here,
* Otherwise, we will jump to default case.
*/
cmd_length = CMPK_RX_TX_FB_SIZE;
break;
case RX_TX_RATE_HISTORY:
cmpk_handle_tx_rate_history(dev, pcmd_buff);
cmd_length = CMPK_TX_RAHIS_SIZE;
break;
default:
RT_TRACE(COMP_ERR, "---->%s():unknown CMD Element\n",
__func__);
return 1; /* This is a command packet. */
}
total_length -= cmd_length;
pcmd_buff += cmd_length;
}
return 1; /* This is a command packet. */
}
| linux-master | drivers/staging/rtl8192u/r819xU_cmdpkt.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This is part of the rtl8192 driver
*
* This files contains programming code for the rtl8256
* radio frontend.
*
* *Many* thanks to Realtek Corp. for their great support!
*/
#include "r8192U.h"
#include "r8192U_hw.h"
#include "r819xU_phyreg.h"
#include "r819xU_phy.h"
#include "r8190_rtl8256.h"
/*
* Forward declaration of local functions
*/
static void phy_rf8256_config_para_file(struct net_device *dev);
/*--------------------------------------------------------------------------
* Overview: set RF band width (20M or 40M)
* Input: struct net_device* dev
* WIRELESS_BANDWIDTH_E Bandwidth //20M or 40M
* Output: NONE
* Return: NONE
* Note: 8226 support both 20M and 40 MHz
*--------------------------------------------------------------------------
*/
void phy_set_rf8256_bandwidth(struct net_device *dev, enum ht_channel_width Bandwidth)
{
u8 eRFPath;
struct r8192_priv *priv = ieee80211_priv(dev);
/* for(eRFPath = RF90_PATH_A; eRFPath <pHalData->NumTotalRFPath;
* eRFPath++)
*/
for (eRFPath = 0; eRFPath < RF90_PATH_MAX; eRFPath++) {
if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
continue;
switch (Bandwidth) {
case HT_CHANNEL_WIDTH_20:
if (priv->card_8192_version == VERSION_819XU_A ||
priv->card_8192_version == VERSION_819XU_B) {
/* 8256 D-cut, E-cut, xiong: consider it later! */
rtl8192_phy_SetRFReg(dev,
(enum rf90_radio_path_e)eRFPath,
0x0b, bMask12Bits, 0x100); /* phy para:1ba */
rtl8192_phy_SetRFReg(dev,
(enum rf90_radio_path_e)eRFPath,
0x2c, bMask12Bits, 0x3d7);
rtl8192_phy_SetRFReg(dev,
(enum rf90_radio_path_e)eRFPath,
0x0e, bMask12Bits, 0x021);
rtl8192_phy_SetRFReg(dev,
(enum rf90_radio_path_e)eRFPath,
0x14, bMask12Bits, 0x5ab);
} else {
RT_TRACE(COMP_ERR, "%s(): unknown hardware version\n", __func__);
}
break;
case HT_CHANNEL_WIDTH_20_40:
if (priv->card_8192_version == VERSION_819XU_A || priv->card_8192_version == VERSION_819XU_B) { /* 8256 D-cut, E-cut, xiong: consider it later! */
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x0b, bMask12Bits, 0x300); /* phy para:3ba */
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x2c, bMask12Bits, 0x3df);
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x0e, bMask12Bits, 0x0a1);
if (priv->chan == 3 || priv->chan == 9)
/* I need to set priv->chan whenever current channel changes */
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x14, bMask12Bits, 0x59b);
else
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x14, bMask12Bits, 0x5ab);
} else {
RT_TRACE(COMP_ERR, "%s(): unknown hardware version\n", __func__);
}
break;
default:
RT_TRACE(COMP_ERR, "%s(): unknown Bandwidth: %#X\n", __func__, Bandwidth);
break;
}
}
}
/*--------------------------------------------------------------------------
* Overview: Interface to config 8256
* Input: struct net_device* dev
* Output: NONE
* Return: NONE
*--------------------------------------------------------------------------
*/
void phy_rf8256_config(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Initialize general global value
*
* TODO: Extend RF_PATH_C and RF_PATH_D in the future
*/
priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
/* Config BB and RF */
phy_rf8256_config_para_file(dev);
}
/*--------------------------------------------------------------------------
* Overview: Interface to config 8256
* Input: struct net_device* dev
* Output: NONE
* Return: NONE
*--------------------------------------------------------------------------
*/
static void phy_rf8256_config_para_file(struct net_device *dev)
{
u32 u4RegValue = 0;
u8 eRFPath;
BB_REGISTER_DEFINITION_T *pPhyReg;
struct r8192_priv *priv = ieee80211_priv(dev);
u32 RegOffSetToBeCheck = 0x3;
u32 RegValueToBeCheck = 0x7f1;
u32 RF3_Final_Value = 0;
u8 ConstRetryTimes = 5, RetryTimes = 5;
u8 ret = 0;
/* Initialize RF */
for (eRFPath = (enum rf90_radio_path_e)RF90_PATH_A; eRFPath < priv->NumTotalRFPath; eRFPath++) {
if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
continue;
pPhyReg = &priv->PHYRegDef[eRFPath];
/* Joseph test for shorten RF config
* pHalData->RfReg0Value[eRFPath] = rtl8192_phy_QueryRFReg(dev, (enum rf90_radio_path_e)eRFPath, rGlobalCtrl, bMaskDWord);
* ----Store original RFENV control type
*/
switch (eRFPath) {
case RF90_PATH_A:
case RF90_PATH_C:
u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV);
break;
case RF90_PATH_B:
case RF90_PATH_D:
u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV << 16);
break;
}
/*----Set RF_ENV enable----*/
rtl8192_setBBreg(dev, pPhyReg->rfintfe, bRFSI_RFENV << 16, 0x1);
/*----Set RF_ENV output high----*/
rtl8192_setBBreg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
/* Set bit number of Address and Data for RF register */
rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0); /* Set 0 to 4 bits for Z-serial and set 1 to 6 bits for 8258 */
rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0); /* Set 0 to 12 bits for Z-serial and 8258, and set 1 to 14 bits for ??? */
rtl8192_phy_SetRFReg(dev, (enum rf90_radio_path_e)eRFPath, 0x0, bMask12Bits, 0xbf);
/* Check RF block (for FPGA platform only)----
* TODO: this function should be removed on ASIC , Emily 2007.2.2
*/
if (rtl8192_phy_checkBBAndRF(dev, HW90_BLOCK_RF, (enum rf90_radio_path_e)eRFPath)) {
RT_TRACE(COMP_ERR, "phy_rf8256_config():Check Radio[%d] Fail!!\n", eRFPath);
goto phy_RF8256_Config_ParaFile_Fail;
}
RetryTimes = ConstRetryTimes;
RF3_Final_Value = 0;
/*----Initialize RF fom connfiguration file----*/
switch (eRFPath) {
case RF90_PATH_A:
while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (enum rf90_radio_path_e)eRFPath);
RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (enum rf90_radio_path_e)eRFPath, RegOffSetToBeCheck, bMask12Bits);
RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
RetryTimes--;
}
break;
case RF90_PATH_B:
while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (enum rf90_radio_path_e)eRFPath);
RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (enum rf90_radio_path_e)eRFPath, RegOffSetToBeCheck, bMask12Bits);
RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
RetryTimes--;
}
break;
case RF90_PATH_C:
while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (enum rf90_radio_path_e)eRFPath);
RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (enum rf90_radio_path_e)eRFPath, RegOffSetToBeCheck, bMask12Bits);
RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
RetryTimes--;
}
break;
case RF90_PATH_D:
while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (enum rf90_radio_path_e)eRFPath);
RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (enum rf90_radio_path_e)eRFPath, RegOffSetToBeCheck, bMask12Bits);
RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
RetryTimes--;
}
break;
}
/*----Restore RFENV control type----*/
switch (eRFPath) {
case RF90_PATH_A:
case RF90_PATH_C:
rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
break;
case RF90_PATH_B:
case RF90_PATH_D:
rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV << 16, u4RegValue);
break;
}
if (ret) {
RT_TRACE(COMP_ERR, "%s():Radio[%d] Fail!!", __func__, eRFPath);
goto phy_RF8256_Config_ParaFile_Fail;
}
}
RT_TRACE(COMP_PHY, "PHY Initialization Success\n");
return;
phy_RF8256_Config_ParaFile_Fail:
RT_TRACE(COMP_ERR, "PHY Initialization failed\n");
}
void phy_set_rf8256_cck_tx_power(struct net_device *dev, u8 powerlevel)
{
u32 TxAGC = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
TxAGC = powerlevel;
if (priv->bDynamicTxLowPower) {
if (priv->CustomerID == RT_CID_819x_Netcore)
TxAGC = 0x22;
else
TxAGC += priv->CckPwEnl;
}
if (TxAGC > 0x24)
TxAGC = 0x24;
rtl8192_setBBreg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
}
void phy_set_rf8256_ofdm_tx_power(struct net_device *dev, u8 powerlevel)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Joseph TxPower for 8192 testing */
u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
u8 index = 0;
u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
u8 byte0, byte1, byte2, byte3;
powerBase0 = powerlevel + priv->TxPowerDiff; /* OFDM rates */
powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) | (powerBase0 << 8) | powerBase0;
powerBase1 = powerlevel; /* MCS rates */
powerBase1 = (powerBase1 << 24) | (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
for (index = 0; index < 6; index++) {
writeVal = priv->MCSTxPowerLevelOriginalOffset[index] + ((index < 2) ? powerBase0 : powerBase1);
byte0 = (u8)(writeVal & 0x7f);
byte1 = (u8)((writeVal & 0x7f00) >> 8);
byte2 = (u8)((writeVal & 0x7f0000) >> 16);
byte3 = (u8)((writeVal & 0x7f000000) >> 24);
if (byte0 > 0x24)
/* Max power index = 0x24 */
byte0 = 0x24;
if (byte1 > 0x24)
byte1 = 0x24;
if (byte2 > 0x24)
byte2 = 0x24;
if (byte3 > 0x24)
byte3 = 0x24;
/* for tx power track */
if (index == 3) {
writeVal_tmp = (byte3 << 24) | (byte2 << 16) | (byte1 << 8) | byte0;
priv->Pwr_Track = writeVal_tmp;
}
if (priv->bDynamicTxHighPower) {
/*Add by Jacken 2008/03/06
*Emily, 20080613. Set low tx power for both MCS and legacy OFDM
*/
writeVal = 0x03030303;
} else {
writeVal = (byte3 << 24) | (byte2 << 16) | (byte1 << 8) | byte0;
}
rtl8192_setBBreg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
}
}
| linux-master | drivers/staging/rtl8192u/r8190_rtl8256.c |
// SPDX-License-Identifier: GPL-2.0
/****************************************************************************
* -----------------------------DEGUGFS STUFF-------------------------
****************************************************************************/
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include "r8192U.h"
#define KBUILD_MODNAME "r8192u_usb"
static int rtl8192_usb_stats_ap_show(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *target;
list_for_each_entry(target, &ieee->network_list, list) {
const char *wpa = "non_WPA";
if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
wpa = "WPA";
seq_printf(m, "%s %s\n", target->ssid, wpa);
}
return 0;
}
static int rtl8192_usb_registers_show(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
int i, n, max = 0xff;
u8 byte_rd;
seq_puts(m, "\n####################page 0##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x000 | n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_puts(m, "\n####################page 1##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x100 | n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_puts(m, "\n####################page 3##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x300 | n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_putc(m, '\n');
return 0;
}
static int rtl8192_usb_stats_tx_show(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = ieee80211_priv(dev);
seq_printf(m,
"TX VI priority ok int: %lu\n"
"TX VI priority error int: %lu\n"
"TX VO priority ok int: %lu\n"
"TX VO priority error int: %lu\n"
"TX BE priority ok int: %lu\n"
"TX BE priority error int: %lu\n"
"TX BK priority ok int: %lu\n"
"TX BK priority error int: %lu\n"
"TX MANAGE priority ok int: %lu\n"
"TX MANAGE priority error int: %lu\n"
"TX BEACON priority ok int: %lu\n"
"TX BEACON priority error int: %lu\n"
"TX queue resume: %lu\n"
"TX queue stopped?: %d\n"
"TX fifo overflow: %lu\n"
"TX VI queue: %d\n"
"TX VO queue: %d\n"
"TX BE queue: %d\n"
"TX BK queue: %d\n"
"TX VI dropped: %lu\n"
"TX VO dropped: %lu\n"
"TX BE dropped: %lu\n"
"TX BK dropped: %lu\n"
"TX total data packets %lu\n",
priv->stats.txviokint,
priv->stats.txvierr,
priv->stats.txvookint,
priv->stats.txvoerr,
priv->stats.txbeokint,
priv->stats.txbeerr,
priv->stats.txbkokint,
priv->stats.txbkerr,
priv->stats.txmanageokint,
priv->stats.txmanageerr,
priv->stats.txbeaconokint,
priv->stats.txbeaconerr,
priv->stats.txresumed,
netif_queue_stopped(dev),
priv->stats.txoverflow,
atomic_read(&(priv->tx_pending[VI_PRIORITY])),
atomic_read(&(priv->tx_pending[VO_PRIORITY])),
atomic_read(&(priv->tx_pending[BE_PRIORITY])),
atomic_read(&(priv->tx_pending[BK_PRIORITY])),
priv->stats.txvidrop,
priv->stats.txvodrop,
priv->stats.txbedrop,
priv->stats.txbkdrop,
priv->stats.txdatapkt
);
return 0;
}
static int rtl8192_usb_stats_rx_show(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = ieee80211_priv(dev);
seq_printf(m,
"RX packets: %lu\n"
"RX urb status error: %lu\n"
"RX invalid urb error: %lu\n",
priv->stats.rxoktotal,
priv->stats.rxstaterr,
priv->stats.rxurberr);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_rx);
DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_tx);
DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_stats_ap);
DEFINE_SHOW_ATTRIBUTE(rtl8192_usb_registers);
void rtl8192_debugfs_init_one(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct dentry *parent_dir = debugfs_lookup(KBUILD_MODNAME, NULL);
struct dentry *dir = debugfs_create_dir(dev->name, parent_dir);
debugfs_create_file("stats-rx", 0444, dir, dev, &rtl8192_usb_stats_rx_fops);
debugfs_create_file("stats-tx", 0444, dir, dev, &rtl8192_usb_stats_tx_fops);
debugfs_create_file("stats-ap", 0444, dir, dev, &rtl8192_usb_stats_ap_fops);
debugfs_create_file("registers", 0444, dir, dev, &rtl8192_usb_registers_fops);
priv->debugfs_dir = dir;
}
void rtl8192_debugfs_exit_one(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
debugfs_remove_recursive(priv->debugfs_dir);
}
void rtl8192_debugfs_rename_one(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct dentry *parent_dir = debugfs_lookup(KBUILD_MODNAME, NULL);
debugfs_rename(parent_dir, priv->debugfs_dir, parent_dir, dev->name);
}
void rtl8192_debugfs_init(void)
{
debugfs_create_dir(KBUILD_MODNAME, NULL);
}
void rtl8192_debugfs_exit(void)
{
debugfs_remove_recursive(debugfs_lookup(KBUILD_MODNAME, NULL));
}
| linux-master | drivers/staging/rtl8192u/r8192U_debugfs.c |
// SPDX-License-Identifier: GPL-2.0
/*++
* Copyright-c Realtek Semiconductor Corp. All rights reserved.
*
* Module Name:
* r8192U_dm.c
*
* Abstract:
* HW dynamic mechanism.
*--
*/
#include "r8192U.h"
#include "r8192U_dm.h"
#include "r8192U_hw.h"
#include "r819xU_phy.h"
#include "r819xU_phyreg.h"
#include "r8190_rtl8256.h"
#include "r819xU_cmdpkt.h"
/*---------------------------Define Local Constant---------------------------*/
/* Indicate different AP vendor for IOT issue. */
static u32 edca_setting_DL[HT_IOT_PEER_MAX] = {
0x5e4322, 0x5e4322, 0x5e4322, 0x604322, 0x00a44f, 0x5ea44f
};
static u32 edca_setting_UL[HT_IOT_PEER_MAX] = {
0x5e4322, 0x00a44f, 0x5e4322, 0x604322, 0x5ea44f, 0x5ea44f
};
#define RTK_UL_EDCA 0xa44f
#define RTK_DL_EDCA 0x5e4322
/*---------------------------Define Local Constant---------------------------*/
/*------------------------Define global variable-----------------------------*/
/* Debug variable ? */
struct dig dm_digtable;
/* Store current software write register content for MAC PHY. */
u8 dm_shadow[16][256] = { {0} };
/* For Dynamic Rx Path Selection by Signal Strength */
static struct dynamic_rx_path_sel DM_RxPathSelTable;
extern void dm_check_fsync(struct net_device *dev);
/* DM --> Rate Adaptive */
static void dm_check_rate_adaptive(struct net_device *dev);
/* DM --> Bandwidth switch */
static void dm_init_bandwidth_autoswitch(struct net_device *dev);
static void dm_bandwidth_autoswitch(struct net_device *dev);
/* DM --> TX power control */
static void dm_check_txpower_tracking(struct net_device *dev);
/* DM --> Dynamic Init Gain by RSSI */
static void dm_dig_init(struct net_device *dev);
static void dm_ctrl_initgain_byrssi(struct net_device *dev);
static void dm_ctrl_initgain_byrssi_highpwr(struct net_device *dev);
static void dm_ctrl_initgain_byrssi_by_driverrssi(struct net_device *dev);
static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(struct net_device *dev);
static void dm_initial_gain(struct net_device *dev);
static void dm_pd_th(struct net_device *dev);
static void dm_cs_ratio(struct net_device *dev);
static void dm_init_ctstoself(struct net_device *dev);
/* DM --> EDCA turbo mode control */
static void dm_check_edca_turbo(struct net_device *dev);
/* DM --> Check PBC */
static void dm_check_pbc_gpio(struct net_device *dev);
/* DM --> Check current RX RF path state */
static void dm_check_rx_path_selection(struct net_device *dev);
static void dm_init_rxpath_selection(struct net_device *dev);
static void dm_rxpath_sel_byrssi(struct net_device *dev);
/* DM --> Fsync for broadcom ap */
static void dm_init_fsync(struct net_device *dev);
static void dm_deInit_fsync(struct net_device *dev);
/* Added by vivi, 20080522 */
static void dm_check_txrateandretrycount(struct net_device *dev);
/*---------------------Define local function prototype-----------------------*/
/*---------------------Define of Tx Power Control For Near/Far Range --------*/ /*Add by Jacken 2008/02/18 */
static void dm_init_dynamic_txpower(struct net_device *dev);
static void dm_dynamic_txpower(struct net_device *dev);
/* DM --> For rate adaptive and DIG, we must send RSSI to firmware */
static void dm_send_rssi_tofw(struct net_device *dev);
static void dm_ctstoself(struct net_device *dev);
/*---------------------------Define function prototype------------------------*/
/* ================================================================================
* HW Dynamic mechanism interface.
* ================================================================================
*
*
* Description:
* Prepare SW resource for HW dynamic mechanism.
*
* Assumption:
* This function is only invoked at driver initialization once.
*/
void init_hal_dm(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Undecorated Smoothed Signal Strength, it can utilized to dynamic mechanism. */
priv->undecorated_smoothed_pwdb = -1;
/* Initial TX Power Control for near/far range , add by amy 2008/05/15, porting from windows code. */
dm_init_dynamic_txpower(dev);
init_rate_adaptive(dev);
dm_dig_init(dev);
dm_init_edca_turbo(dev);
dm_init_bandwidth_autoswitch(dev);
dm_init_fsync(dev);
dm_init_rxpath_selection(dev);
dm_init_ctstoself(dev);
} /* InitHalDm */
void deinit_hal_dm(struct net_device *dev)
{
dm_deInit_fsync(dev);
}
#ifdef USB_RX_AGGREGATION_SUPPORT
void dm_CheckRxAggregation(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo;
static unsigned long lastTxOkCnt;
static unsigned long lastRxOkCnt;
unsigned long curTxOkCnt = 0;
unsigned long curRxOkCnt = 0;
curTxOkCnt = priv->stats.txbytesunicast - lastTxOkCnt;
curRxOkCnt = priv->stats.rxbytesunicast - lastRxOkCnt;
if ((curTxOkCnt + curRxOkCnt) < 15000000)
return;
if (curTxOkCnt > 4*curRxOkCnt) {
if (priv->bCurrentRxAggrEnable) {
write_nic_dword(dev, 0x1a8, 0);
priv->bCurrentRxAggrEnable = false;
}
} else {
if (!priv->bCurrentRxAggrEnable && !pHTInfo->bCurrentRT2RTAggregation) {
u32 ulValue;
ulValue = (pHTInfo->UsbRxFwAggrEn<<24) | (pHTInfo->UsbRxFwAggrPageNum<<16) |
(pHTInfo->UsbRxFwAggrPacketNum<<8) | (pHTInfo->UsbRxFwAggrTimeout);
/* If usb rx firmware aggregation is enabled,
* when anyone of three threshold conditions above is reached,
* firmware will send aggregated packet to driver.
*/
write_nic_dword(dev, 0x1a8, ulValue);
priv->bCurrentRxAggrEnable = true;
}
}
lastTxOkCnt = priv->stats.txbytesunicast;
lastRxOkCnt = priv->stats.rxbytesunicast;
} /* dm_CheckEdcaTurbo */
#endif
void hal_dm_watchdog(struct net_device *dev)
{
/*Add by amy 2008/05/15 ,porting from windows code.*/
dm_check_rate_adaptive(dev);
dm_dynamic_txpower(dev);
dm_check_txrateandretrycount(dev);
dm_check_txpower_tracking(dev);
dm_ctrl_initgain_byrssi(dev);
dm_check_edca_turbo(dev);
dm_bandwidth_autoswitch(dev);
dm_check_rx_path_selection(dev);
dm_check_fsync(dev);
/* Add by amy 2008-05-15 porting from windows code. */
dm_check_pbc_gpio(dev);
dm_send_rssi_tofw(dev);
dm_ctstoself(dev);
#ifdef USB_RX_AGGREGATION_SUPPORT
dm_CheckRxAggregation(dev);
#endif
} /* HalDmWatchDog */
/* Decide Rate Adaptive Set according to distance (signal strength)
* 01/11/2008 MHC Modify input arguments and RATR table level.
* 01/16/2008 MHC RF_Type is assigned in ReadAdapterInfo(). We must call
* the function after making sure RF_Type.
*/
void init_rate_adaptive(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
prate_adaptive pra = (prate_adaptive)&priv->rate_adaptive;
pra->ratr_state = DM_RATR_STA_MAX;
pra->high2low_rssi_thresh_for_ra = RATE_ADAPTIVE_TH_HIGH;
pra->low2high_rssi_thresh_for_ra20M = RATE_ADAPTIVE_TH_LOW_20M + 5;
pra->low2high_rssi_thresh_for_ra40M = RATE_ADAPTIVE_TH_LOW_40M + 5;
pra->high_rssi_thresh_for_ra = RATE_ADAPTIVE_TH_HIGH + 5;
pra->low_rssi_thresh_for_ra20M = RATE_ADAPTIVE_TH_LOW_20M;
pra->low_rssi_thresh_for_ra40M = RATE_ADAPTIVE_TH_LOW_40M;
if (priv->CustomerID == RT_CID_819x_Netcore)
pra->ping_rssi_enable = 1;
else
pra->ping_rssi_enable = 0;
pra->ping_rssi_thresh_for_ra = 15;
if (priv->rf_type == RF_2T4R) {
/* 07/10/08 MH Modify for RA smooth scheme.
* 2008/01/11 MH Modify 2T RATR table for different RSSI. 080515 porting by amy from windows code.
*/
pra->upper_rssi_threshold_ratr = 0x8f0f0000;
pra->middle_rssi_threshold_ratr = 0x8f0ff000;
pra->low_rssi_threshold_ratr = 0x8f0ff001;
pra->low_rssi_threshold_ratr_40M = 0x8f0ff005;
pra->low_rssi_threshold_ratr_20M = 0x8f0ff001;
pra->ping_rssi_ratr = 0x0000000d;/* cosa add for test */
} else if (priv->rf_type == RF_1T2R) {
pra->upper_rssi_threshold_ratr = 0x000f0000;
pra->middle_rssi_threshold_ratr = 0x000ff000;
pra->low_rssi_threshold_ratr = 0x000ff001;
pra->low_rssi_threshold_ratr_40M = 0x000ff005;
pra->low_rssi_threshold_ratr_20M = 0x000ff001;
pra->ping_rssi_ratr = 0x0000000d;/* cosa add for test */
}
} /* InitRateAdaptive */
/*-----------------------------------------------------------------------------
* Function: dm_check_rate_adaptive()
*
* Overview:
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_check_rate_adaptive(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo;
prate_adaptive pra = (prate_adaptive)&priv->rate_adaptive;
u32 currentRATR, targetRATR = 0;
u32 LowRSSIThreshForRA = 0, HighRSSIThreshForRA = 0;
bool bshort_gi_enabled = false;
static u8 ping_rssi_state;
if (!priv->up) {
RT_TRACE(COMP_RATE, "<---- dm_check_rate_adaptive(): driver is going to unload\n");
return;
}
if (pra->rate_adaptive_disabled) /* this variable is set by ioctl. */
return;
/* TODO: Only 11n mode is implemented currently, */
if (!(priv->ieee80211->mode == WIRELESS_MODE_N_24G ||
priv->ieee80211->mode == WIRELESS_MODE_N_5G))
return;
if (priv->ieee80211->state == IEEE80211_LINKED) {
/* Check whether Short GI is enabled */
bshort_gi_enabled = (pHTInfo->bCurTxBW40MHz && pHTInfo->bCurShortGI40MHz) ||
(!pHTInfo->bCurTxBW40MHz && pHTInfo->bCurShortGI20MHz);
pra->upper_rssi_threshold_ratr =
(pra->upper_rssi_threshold_ratr & (~BIT(31))) |
((bshort_gi_enabled) ? BIT(31) : 0);
pra->middle_rssi_threshold_ratr =
(pra->middle_rssi_threshold_ratr & (~BIT(31))) |
((bshort_gi_enabled) ? BIT(31) : 0);
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
pra->low_rssi_threshold_ratr =
(pra->low_rssi_threshold_ratr_40M & (~BIT(31))) |
((bshort_gi_enabled) ? BIT(31) : 0);
} else {
pra->low_rssi_threshold_ratr =
(pra->low_rssi_threshold_ratr_20M & (~BIT(31))) |
((bshort_gi_enabled) ? BIT(31) : 0);
}
/* cosa add for test */
pra->ping_rssi_ratr =
(pra->ping_rssi_ratr & (~BIT(31))) |
((bshort_gi_enabled) ? BIT(31) : 0);
/* 2007/10/08 MH We support RA smooth scheme now. When it is the first
* time to link with AP. We will not change upper/lower threshold. If
* STA stay in high or low level, we must change two different threshold
* to prevent jumping frequently.
*/
if (pra->ratr_state == DM_RATR_STA_HIGH) {
HighRSSIThreshForRA = pra->high2low_rssi_thresh_for_ra;
LowRSSIThreshForRA = (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) ?
(pra->low_rssi_thresh_for_ra40M):(pra->low_rssi_thresh_for_ra20M);
} else if (pra->ratr_state == DM_RATR_STA_LOW) {
HighRSSIThreshForRA = pra->high_rssi_thresh_for_ra;
LowRSSIThreshForRA = (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) ?
(pra->low2high_rssi_thresh_for_ra40M):(pra->low2high_rssi_thresh_for_ra20M);
} else {
HighRSSIThreshForRA = pra->high_rssi_thresh_for_ra;
LowRSSIThreshForRA = (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) ?
(pra->low_rssi_thresh_for_ra40M):(pra->low_rssi_thresh_for_ra20M);
}
if (priv->undecorated_smoothed_pwdb >= (long)HighRSSIThreshForRA) {
pra->ratr_state = DM_RATR_STA_HIGH;
targetRATR = pra->upper_rssi_threshold_ratr;
} else if (priv->undecorated_smoothed_pwdb >= (long)LowRSSIThreshForRA) {
pra->ratr_state = DM_RATR_STA_MIDDLE;
targetRATR = pra->middle_rssi_threshold_ratr;
} else {
pra->ratr_state = DM_RATR_STA_LOW;
targetRATR = pra->low_rssi_threshold_ratr;
}
/* cosa add for test */
if (pra->ping_rssi_enable) {
if (priv->undecorated_smoothed_pwdb < (long)(pra->ping_rssi_thresh_for_ra+5)) {
if ((priv->undecorated_smoothed_pwdb < (long)pra->ping_rssi_thresh_for_ra) ||
ping_rssi_state) {
pra->ratr_state = DM_RATR_STA_LOW;
targetRATR = pra->ping_rssi_ratr;
ping_rssi_state = 1;
}
} else {
ping_rssi_state = 0;
}
}
/* 2008.04.01
* For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
*/
if (priv->ieee80211->GetHalfNmodeSupportByAPsHandler(dev))
targetRATR &= 0xf00fffff;
/* Check whether updating of RATR0 is required */
read_nic_dword(dev, RATR0, ¤tRATR);
if (targetRATR != currentRATR) {
u32 ratr_value;
ratr_value = targetRATR;
RT_TRACE(COMP_RATE, "currentRATR = %x, targetRATR = %x\n", currentRATR, targetRATR);
if (priv->rf_type == RF_1T2R)
ratr_value &= ~(RATE_ALL_OFDM_2SS);
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);
pra->last_ratr = targetRATR;
}
} else {
pra->ratr_state = DM_RATR_STA_MAX;
}
} /* dm_CheckRateAdaptive */
static void dm_init_bandwidth_autoswitch(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->ieee80211->bandwidth_auto_switch.threshold_20Mhzto40Mhz = BW_AUTO_SWITCH_LOW_HIGH;
priv->ieee80211->bandwidth_auto_switch.threshold_40Mhzto20Mhz = BW_AUTO_SWITCH_HIGH_LOW;
priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = false;
priv->ieee80211->bandwidth_auto_switch.bautoswitch_enable = false;
} /* dm_init_bandwidth_autoswitch */
static void dm_bandwidth_autoswitch(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 || !priv->ieee80211->bandwidth_auto_switch.bautoswitch_enable)
return;
if (!priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz) { /* If send packets in 40 Mhz in 20/40 */
if (priv->undecorated_smoothed_pwdb <= priv->ieee80211->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = true;
} else { /* in force send packets in 20 Mhz in 20/40 */
if (priv->undecorated_smoothed_pwdb >= priv->ieee80211->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = false;
}
} /* dm_BandwidthAutoSwitch */
/* OFDM default at 0db, index=6. */
static u32 OFDMSwingTable[OFDM_Table_Length] = {
0x7f8001fe, /* 0, +6db */
0x71c001c7, /* 1, +5db */
0x65400195, /* 2, +4db */
0x5a400169, /* 3, +3db */
0x50800142, /* 4, +2db */
0x47c0011f, /* 5, +1db */
0x40000100, /* 6, +0db ===> default, upper for higher temperature, lower for low temperature */
0x390000e4, /* 7, -1db */
0x32c000cb, /* 8, -2db */
0x2d4000b5, /* 9, -3db */
0x288000a2, /* 10, -4db */
0x24000090, /* 11, -5db */
0x20000080, /* 12, -6db */
0x1c800072, /* 13, -7db */
0x19800066, /* 14, -8db */
0x26c0005b, /* 15, -9db */
0x24400051, /* 16, -10db */
0x12000048, /* 17, -11db */
0x10000040 /* 18, -12db */
};
static u8 CCKSwingTable_Ch1_Ch13[CCK_Table_length][8] = {
{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, /* 0, +0db ===> CCK40M default */
{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 1, -1db */
{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 2, -2db */
{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 3, -3db */
{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 4, -4db */
{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 5, -5db */
{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 6, -6db ===> CCK20M default */
{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 7, -7db */
{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 8, -8db */
{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 9, -9db */
{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 10, -10db */
{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01} /* 11, -11db */
};
static u8 CCKSwingTable_Ch14[CCK_Table_length][8] = {
{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, /* 0, +0db ===> CCK40M default */
{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 1, -1db */
{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 2, -2db */
{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 3, -3db */
{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 4, -4db */
{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 5, -5db */
{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 6, -6db ===> CCK20M default */
{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 7, -7db */
{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 8, -8db */
{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 9, -9db */
{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 10, -10db */
{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00} /* 11, -11db */
};
static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
bool viviflag = false;
struct tx_config_cmd tx_cmd;
u8 powerlevelOFDM24G;
int i = 0, j = 0, k = 0;
u8 RF_Type, tmp_report[5] = {0, 0, 0, 0, 0};
u32 Value;
u8 Pwr_Flag;
u16 Avg_TSSI_Meas, TSSI_13dBm, Avg_TSSI_Meas_from_driver = 0;
bool rtStatus = true;
u32 delta = 0;
write_nic_byte(dev, 0x1ba, 0);
priv->ieee80211->bdynamic_txpower_enable = false;
powerlevelOFDM24G = (u8)(priv->Pwr_Track>>24);
RF_Type = priv->rf_type;
Value = (RF_Type<<8) | powerlevelOFDM24G;
RT_TRACE(COMP_POWER_TRACKING, "powerlevelOFDM24G = %x\n", powerlevelOFDM24G);
for (j = 0; j <= 30; j++) { /* fill tx_cmd */
tx_cmd.cmd_op = TXCMD_SET_TX_PWR_TRACKING;
tx_cmd.cmd_length = sizeof(tx_cmd.cmd_op);
tx_cmd.cmd_value = Value;
rtStatus = SendTxCommandPacket(dev, &tx_cmd, sizeof(struct tx_config_cmd));
if (rtStatus == RT_STATUS_FAILURE)
RT_TRACE(COMP_POWER_TRACKING, "Set configuration with tx cmd queue fail!\n");
usleep_range(1000, 2000);
for (i = 0; i <= 30; i++) {
read_nic_byte(dev, 0x1ba, &Pwr_Flag);
if (Pwr_Flag == 0) {
usleep_range(1000, 2000);
continue;
}
read_nic_word(dev, 0x13c, &Avg_TSSI_Meas);
if (Avg_TSSI_Meas == 0) {
write_nic_byte(dev, 0x1ba, 0);
break;
}
for (k = 0; k < 5; k++) {
if (k != 4)
read_nic_byte(dev, 0x134+k, &tmp_report[k]);
else
read_nic_byte(dev, 0x13e, &tmp_report[k]);
RT_TRACE(COMP_POWER_TRACKING, "TSSI_report_value = %d\n", tmp_report[k]);
}
/* check if the report value is right */
for (k = 0; k < 5; k++) {
if (tmp_report[k] <= 20) {
viviflag = true;
break;
}
}
if (viviflag) {
write_nic_byte(dev, 0x1ba, 0);
viviflag = false;
RT_TRACE(COMP_POWER_TRACKING, "we filtered the data\n");
for (k = 0; k < 5; k++)
tmp_report[k] = 0;
break;
}
for (k = 0; k < 5; k++)
Avg_TSSI_Meas_from_driver += tmp_report[k];
Avg_TSSI_Meas_from_driver = Avg_TSSI_Meas_from_driver*100/5;
RT_TRACE(COMP_POWER_TRACKING, "Avg_TSSI_Meas_from_driver = %d\n", Avg_TSSI_Meas_from_driver);
TSSI_13dBm = priv->TSSI_13dBm;
RT_TRACE(COMP_POWER_TRACKING, "TSSI_13dBm = %d\n", TSSI_13dBm);
if (Avg_TSSI_Meas_from_driver > TSSI_13dBm)
delta = Avg_TSSI_Meas_from_driver - TSSI_13dBm;
else
delta = TSSI_13dBm - Avg_TSSI_Meas_from_driver;
if (delta <= E_FOR_TX_POWER_TRACK) {
priv->ieee80211->bdynamic_txpower_enable = true;
write_nic_byte(dev, 0x1ba, 0);
RT_TRACE(COMP_POWER_TRACKING, "tx power track is done\n");
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex = %d\n", priv->rfa_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real = %d\n", priv->rfa_txpowertrackingindex_real);
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attenuation_difference = %d\n", priv->cck_present_attenuation_difference);
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attenuation = %d\n", priv->cck_present_attenuation);
return;
}
if (Avg_TSSI_Meas_from_driver < TSSI_13dBm - E_FOR_TX_POWER_TRACK) {
if (priv->rfa_txpowertrackingindex > 0) {
priv->rfa_txpowertrackingindex--;
if (priv->rfa_txpowertrackingindex_real > 4) {
priv->rfa_txpowertrackingindex_real--;
rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex_real].txbbgain_value);
}
}
} else {
if (priv->rfa_txpowertrackingindex < 36) {
priv->rfa_txpowertrackingindex++;
priv->rfa_txpowertrackingindex_real++;
rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex_real].txbbgain_value);
}
}
priv->cck_present_attenuation_difference
= priv->rfa_txpowertrackingindex - priv->rfa_txpowertracking_default;
if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20)
priv->cck_present_attenuation
= priv->cck_present_attenuation_20Mdefault + priv->cck_present_attenuation_difference;
else
priv->cck_present_attenuation
= priv->cck_present_attenuation_40Mdefault + priv->cck_present_attenuation_difference;
if (priv->cck_present_attenuation > -1 && priv->cck_present_attenuation < 23) {
if (priv->ieee80211->current_network.channel == 14 && !priv->bcck_in_ch14) {
priv->bcck_in_ch14 = true;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else if (priv->ieee80211->current_network.channel != 14 && priv->bcck_in_ch14) {
priv->bcck_in_ch14 = false;
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
} else
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
}
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex = %d\n", priv->rfa_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real = %d\n", priv->rfa_txpowertrackingindex_real);
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attenuation_difference = %d\n", priv->cck_present_attenuation_difference);
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attenuation = %d\n", priv->cck_present_attenuation);
if (priv->cck_present_attenuation_difference <= -12 || priv->cck_present_attenuation_difference >= 24) {
priv->ieee80211->bdynamic_txpower_enable = true;
write_nic_byte(dev, 0x1ba, 0);
RT_TRACE(COMP_POWER_TRACKING, "tx power track--->limited\n");
return;
}
write_nic_byte(dev, 0x1ba, 0);
Avg_TSSI_Meas_from_driver = 0;
for (k = 0; k < 5; k++)
tmp_report[k] = 0;
break;
}
}
priv->ieee80211->bdynamic_txpower_enable = true;
write_nic_byte(dev, 0x1ba, 0);
}
static void dm_TXPowerTrackingCallback_ThermalMeter(struct net_device *dev)
{
#define ThermalMeterVal 9
struct r8192_priv *priv = ieee80211_priv(dev);
u32 tmpRegA, TempCCk;
u8 tmpOFDMindex, tmpCCKindex, tmpCCK20Mindex, tmpCCK40Mindex, tmpval;
int i = 0, CCKSwingNeedUpdate = 0;
if (!priv->btxpower_trackingInit) {
/* Query OFDM default setting */
tmpRegA = rtl8192_QueryBBReg(dev, rOFDM0_XATxIQImbalance, bMaskDWord);
for (i = 0; i < OFDM_Table_Length; i++) { /* find the index */
if (tmpRegA == OFDMSwingTable[i]) {
priv->OFDM_index = (u8)i;
RT_TRACE(COMP_POWER_TRACKING, "Initial reg0x%x = 0x%x, OFDM_index=0x%x\n",
rOFDM0_XATxIQImbalance, tmpRegA, priv->OFDM_index);
}
}
/* Query CCK default setting From 0xa22 */
TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
for (i = 0; i < CCK_Table_length; i++) {
if (TempCCk == (u32)CCKSwingTable_Ch1_Ch13[i][0]) {
priv->CCK_index = (u8) i;
RT_TRACE(COMP_POWER_TRACKING, "Initial reg0x%x = 0x%x, CCK_index=0x%x\n",
rCCK0_TxFilter1, TempCCk, priv->CCK_index);
break;
}
}
priv->btxpower_trackingInit = true;
return;
}
/* ==========================
* this is only for test, should be masked
* ==========================
*/
/* read and filter out unreasonable value */
tmpRegA = rtl8192_phy_QueryRFReg(dev, RF90_PATH_A, 0x12, 0x078); /* 0x12: RF Reg[10:7] */
RT_TRACE(COMP_POWER_TRACKING, "Readback ThermalMeterA = %d\n", tmpRegA);
if (tmpRegA < 3 || tmpRegA > 13)
return;
if (tmpRegA >= 12) /* if over 12, TP will be bad when high temperature */
tmpRegA = 12;
RT_TRACE(COMP_POWER_TRACKING, "Valid ThermalMeterA = %d\n", tmpRegA);
priv->ThermalMeter[0] = ThermalMeterVal; /* We use fixed value by Bryant's suggestion */
priv->ThermalMeter[1] = ThermalMeterVal; /* We use fixed value by Bryant's suggestion */
/* Get current RF-A temperature index */
if (priv->ThermalMeter[0] >= (u8)tmpRegA) { /* lower temperature */
tmpOFDMindex = tmpCCK20Mindex = 6+(priv->ThermalMeter[0]-(u8)tmpRegA);
tmpCCK40Mindex = tmpCCK20Mindex - 6;
if (tmpOFDMindex >= OFDM_Table_Length)
tmpOFDMindex = OFDM_Table_Length-1;
if (tmpCCK20Mindex >= CCK_Table_length)
tmpCCK20Mindex = CCK_Table_length-1;
if (tmpCCK40Mindex >= CCK_Table_length)
tmpCCK40Mindex = CCK_Table_length-1;
} else {
tmpval = (u8)tmpRegA - priv->ThermalMeter[0];
if (tmpval >= 6) {
/* higher temperature */
tmpOFDMindex = 0;
tmpCCK20Mindex = 0;
} else {
/* max to +6dB */
tmpOFDMindex = 6 - tmpval;
tmpCCK20Mindex = 6 - tmpval;
}
tmpCCK40Mindex = 0;
}
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) /* 40M */
tmpCCKindex = tmpCCK40Mindex;
else
tmpCCKindex = tmpCCK20Mindex;
if (priv->ieee80211->current_network.channel == 14 && !priv->bcck_in_ch14) {
priv->bcck_in_ch14 = true;
CCKSwingNeedUpdate = 1;
} else if (priv->ieee80211->current_network.channel != 14 && priv->bcck_in_ch14) {
priv->bcck_in_ch14 = false;
CCKSwingNeedUpdate = 1;
}
if (priv->CCK_index != tmpCCKindex) {
priv->CCK_index = tmpCCKindex;
CCKSwingNeedUpdate = 1;
}
if (CCKSwingNeedUpdate) {
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
}
if (priv->OFDM_index != tmpOFDMindex) {
priv->OFDM_index = tmpOFDMindex;
rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, OFDMSwingTable[priv->OFDM_index]);
RT_TRACE(COMP_POWER_TRACKING, "Update OFDMSwing[%d] = 0x%x\n",
priv->OFDM_index, OFDMSwingTable[priv->OFDM_index]);
}
priv->txpower_count = 0;
}
void dm_txpower_trackingcallback(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct r8192_priv *priv = container_of(dwork, struct r8192_priv, txpower_tracking_wq);
struct net_device *dev = priv->ieee80211->dev;
if (priv->bDcut)
dm_TXPowerTrackingCallback_TSSI(dev);
else
dm_TXPowerTrackingCallback_ThermalMeter(dev);
}
static void dm_InitializeTXPowerTracking_TSSI(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Initial the Tx BB index and mapping value */
priv->txbbgain_table[0].txbb_iq_amplifygain = 12;
priv->txbbgain_table[0].txbbgain_value = 0x7f8001fe;
priv->txbbgain_table[1].txbb_iq_amplifygain = 11;
priv->txbbgain_table[1].txbbgain_value = 0x788001e2;
priv->txbbgain_table[2].txbb_iq_amplifygain = 10;
priv->txbbgain_table[2].txbbgain_value = 0x71c001c7;
priv->txbbgain_table[3].txbb_iq_amplifygain = 9;
priv->txbbgain_table[3].txbbgain_value = 0x6b8001ae;
priv->txbbgain_table[4].txbb_iq_amplifygain = 8;
priv->txbbgain_table[4].txbbgain_value = 0x65400195;
priv->txbbgain_table[5].txbb_iq_amplifygain = 7;
priv->txbbgain_table[5].txbbgain_value = 0x5fc0017f;
priv->txbbgain_table[6].txbb_iq_amplifygain = 6;
priv->txbbgain_table[6].txbbgain_value = 0x5a400169;
priv->txbbgain_table[7].txbb_iq_amplifygain = 5;
priv->txbbgain_table[7].txbbgain_value = 0x55400155;
priv->txbbgain_table[8].txbb_iq_amplifygain = 4;
priv->txbbgain_table[8].txbbgain_value = 0x50800142;
priv->txbbgain_table[9].txbb_iq_amplifygain = 3;
priv->txbbgain_table[9].txbbgain_value = 0x4c000130;
priv->txbbgain_table[10].txbb_iq_amplifygain = 2;
priv->txbbgain_table[10].txbbgain_value = 0x47c0011f;
priv->txbbgain_table[11].txbb_iq_amplifygain = 1;
priv->txbbgain_table[11].txbbgain_value = 0x43c0010f;
priv->txbbgain_table[12].txbb_iq_amplifygain = 0;
priv->txbbgain_table[12].txbbgain_value = 0x40000100;
priv->txbbgain_table[13].txbb_iq_amplifygain = -1;
priv->txbbgain_table[13].txbbgain_value = 0x3c8000f2;
priv->txbbgain_table[14].txbb_iq_amplifygain = -2;
priv->txbbgain_table[14].txbbgain_value = 0x390000e4;
priv->txbbgain_table[15].txbb_iq_amplifygain = -3;
priv->txbbgain_table[15].txbbgain_value = 0x35c000d7;
priv->txbbgain_table[16].txbb_iq_amplifygain = -4;
priv->txbbgain_table[16].txbbgain_value = 0x32c000cb;
priv->txbbgain_table[17].txbb_iq_amplifygain = -5;
priv->txbbgain_table[17].txbbgain_value = 0x300000c0;
priv->txbbgain_table[18].txbb_iq_amplifygain = -6;
priv->txbbgain_table[18].txbbgain_value = 0x2d4000b5;
priv->txbbgain_table[19].txbb_iq_amplifygain = -7;
priv->txbbgain_table[19].txbbgain_value = 0x2ac000ab;
priv->txbbgain_table[20].txbb_iq_amplifygain = -8;
priv->txbbgain_table[20].txbbgain_value = 0x288000a2;
priv->txbbgain_table[21].txbb_iq_amplifygain = -9;
priv->txbbgain_table[21].txbbgain_value = 0x26000098;
priv->txbbgain_table[22].txbb_iq_amplifygain = -10;
priv->txbbgain_table[22].txbbgain_value = 0x24000090;
priv->txbbgain_table[23].txbb_iq_amplifygain = -11;
priv->txbbgain_table[23].txbbgain_value = 0x22000088;
priv->txbbgain_table[24].txbb_iq_amplifygain = -12;
priv->txbbgain_table[24].txbbgain_value = 0x20000080;
priv->txbbgain_table[25].txbb_iq_amplifygain = -13;
priv->txbbgain_table[25].txbbgain_value = 0x1a00006c;
priv->txbbgain_table[26].txbb_iq_amplifygain = -14;
priv->txbbgain_table[26].txbbgain_value = 0x1c800072;
priv->txbbgain_table[27].txbb_iq_amplifygain = -15;
priv->txbbgain_table[27].txbbgain_value = 0x18000060;
priv->txbbgain_table[28].txbb_iq_amplifygain = -16;
priv->txbbgain_table[28].txbbgain_value = 0x19800066;
priv->txbbgain_table[29].txbb_iq_amplifygain = -17;
priv->txbbgain_table[29].txbbgain_value = 0x15800056;
priv->txbbgain_table[30].txbb_iq_amplifygain = -18;
priv->txbbgain_table[30].txbbgain_value = 0x26c0005b;
priv->txbbgain_table[31].txbb_iq_amplifygain = -19;
priv->txbbgain_table[31].txbbgain_value = 0x14400051;
priv->txbbgain_table[32].txbb_iq_amplifygain = -20;
priv->txbbgain_table[32].txbbgain_value = 0x24400051;
priv->txbbgain_table[33].txbb_iq_amplifygain = -21;
priv->txbbgain_table[33].txbbgain_value = 0x1300004c;
priv->txbbgain_table[34].txbb_iq_amplifygain = -22;
priv->txbbgain_table[34].txbbgain_value = 0x12000048;
priv->txbbgain_table[35].txbb_iq_amplifygain = -23;
priv->txbbgain_table[35].txbbgain_value = 0x11000044;
priv->txbbgain_table[36].txbb_iq_amplifygain = -24;
priv->txbbgain_table[36].txbbgain_value = 0x10000040;
/* ccktxbb_valuearray[0] is 0xA22 [1] is 0xA24 ...[7] is 0xA29
* This Table is for CH1~CH13
*/
priv->cck_txbbgain_table[0].ccktxbb_valuearray[0] = 0x36;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[1] = 0x35;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[2] = 0x2e;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[3] = 0x25;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[4] = 0x1c;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[5] = 0x12;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[6] = 0x09;
priv->cck_txbbgain_table[0].ccktxbb_valuearray[7] = 0x04;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[0] = 0x33;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[1] = 0x32;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[2] = 0x2b;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[3] = 0x23;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[4] = 0x1a;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[5] = 0x11;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[6] = 0x08;
priv->cck_txbbgain_table[1].ccktxbb_valuearray[7] = 0x04;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[0] = 0x30;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[1] = 0x2f;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[2] = 0x29;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[3] = 0x21;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[4] = 0x19;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[5] = 0x10;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[6] = 0x08;
priv->cck_txbbgain_table[2].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[0] = 0x2d;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[1] = 0x2d;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[2] = 0x27;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[3] = 0x1f;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[4] = 0x18;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[5] = 0x0f;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[6] = 0x08;
priv->cck_txbbgain_table[3].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[0] = 0x2b;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[1] = 0x2a;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[2] = 0x25;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[3] = 0x1e;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[4] = 0x16;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[5] = 0x0e;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[6] = 0x07;
priv->cck_txbbgain_table[4].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[0] = 0x28;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[1] = 0x28;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[2] = 0x22;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[3] = 0x1c;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[4] = 0x15;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[5] = 0x0d;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[6] = 0x07;
priv->cck_txbbgain_table[5].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[0] = 0x26;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[1] = 0x25;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[2] = 0x21;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[3] = 0x1b;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[4] = 0x14;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[5] = 0x0d;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[6] = 0x06;
priv->cck_txbbgain_table[6].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[0] = 0x24;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[1] = 0x23;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[2] = 0x1f;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[3] = 0x19;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[4] = 0x13;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[5] = 0x0c;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[6] = 0x06;
priv->cck_txbbgain_table[7].ccktxbb_valuearray[7] = 0x03;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[0] = 0x22;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[1] = 0x21;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[2] = 0x1d;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[3] = 0x18;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[4] = 0x11;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[5] = 0x0b;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[6] = 0x06;
priv->cck_txbbgain_table[8].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[0] = 0x20;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[1] = 0x20;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[2] = 0x1b;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[3] = 0x16;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[4] = 0x11;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[5] = 0x08;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[6] = 0x05;
priv->cck_txbbgain_table[9].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[0] = 0x1f;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[1] = 0x1e;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[2] = 0x1a;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[3] = 0x15;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[4] = 0x10;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[5] = 0x0a;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[6] = 0x05;
priv->cck_txbbgain_table[10].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[0] = 0x1d;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[1] = 0x1c;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[2] = 0x18;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[3] = 0x14;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[4] = 0x0f;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[5] = 0x0a;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[6] = 0x05;
priv->cck_txbbgain_table[11].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[0] = 0x1b;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[1] = 0x1a;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[2] = 0x17;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[3] = 0x13;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[4] = 0x0e;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[5] = 0x09;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[6] = 0x04;
priv->cck_txbbgain_table[12].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[0] = 0x1a;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[1] = 0x19;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[2] = 0x16;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[3] = 0x12;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[4] = 0x0d;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[5] = 0x09;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[6] = 0x04;
priv->cck_txbbgain_table[13].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[0] = 0x18;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[1] = 0x17;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[2] = 0x15;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[3] = 0x11;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[4] = 0x0c;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[5] = 0x08;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[6] = 0x04;
priv->cck_txbbgain_table[14].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[0] = 0x17;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[1] = 0x16;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[2] = 0x13;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[3] = 0x10;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[4] = 0x0c;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[5] = 0x08;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[6] = 0x04;
priv->cck_txbbgain_table[15].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[0] = 0x16;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[1] = 0x15;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[2] = 0x12;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[3] = 0x0f;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[4] = 0x0b;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[5] = 0x07;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[6] = 0x04;
priv->cck_txbbgain_table[16].ccktxbb_valuearray[7] = 0x01;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[0] = 0x14;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[1] = 0x14;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[2] = 0x11;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[3] = 0x0e;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[4] = 0x0b;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[5] = 0x07;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[17].ccktxbb_valuearray[7] = 0x02;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[0] = 0x13;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[1] = 0x13;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[2] = 0x10;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[3] = 0x0d;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[4] = 0x0a;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[5] = 0x06;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[18].ccktxbb_valuearray[7] = 0x01;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[0] = 0x12;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[1] = 0x12;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[2] = 0x0f;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[3] = 0x0c;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[4] = 0x09;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[5] = 0x06;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[19].ccktxbb_valuearray[7] = 0x01;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[0] = 0x11;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[1] = 0x11;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[2] = 0x0f;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[3] = 0x0c;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[4] = 0x09;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[5] = 0x06;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[20].ccktxbb_valuearray[7] = 0x01;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[0] = 0x10;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[1] = 0x10;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[2] = 0x0e;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[3] = 0x0b;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[4] = 0x08;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[5] = 0x05;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[21].ccktxbb_valuearray[7] = 0x01;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[0] = 0x0f;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[1] = 0x0f;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[2] = 0x0d;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[3] = 0x0b;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[4] = 0x08;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[5] = 0x05;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[6] = 0x03;
priv->cck_txbbgain_table[22].ccktxbb_valuearray[7] = 0x01;
/* ccktxbb_valuearray[0] is 0xA22 [1] is 0xA24 ...[7] is 0xA29
* This Table is for CH14
*/
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[0] = 0x36;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[1] = 0x35;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[2] = 0x2e;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[3] = 0x1b;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[0].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[0] = 0x33;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[1] = 0x32;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[2] = 0x2b;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[3] = 0x19;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[1].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[0] = 0x30;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[1] = 0x2f;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[2] = 0x29;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[3] = 0x18;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[2].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[0] = 0x2d;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[1] = 0x2d;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[2] = 0x27;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[3] = 0x17;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[3].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[0] = 0x2b;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[1] = 0x2a;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[2] = 0x25;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[3] = 0x15;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[4].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[0] = 0x28;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[1] = 0x28;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[2] = 0x22;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[3] = 0x14;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[5].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[0] = 0x26;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[1] = 0x25;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[2] = 0x21;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[3] = 0x13;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[6].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[0] = 0x24;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[1] = 0x23;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[2] = 0x1f;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[3] = 0x12;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[7].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[0] = 0x22;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[1] = 0x21;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[2] = 0x1d;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[3] = 0x11;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[8].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[0] = 0x20;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[1] = 0x20;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[2] = 0x1b;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[3] = 0x10;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[9].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[0] = 0x1f;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[1] = 0x1e;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[2] = 0x1a;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[3] = 0x0f;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[10].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[0] = 0x1d;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[1] = 0x1c;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[2] = 0x18;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[3] = 0x0e;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[11].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[0] = 0x1b;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[1] = 0x1a;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[2] = 0x17;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[3] = 0x0e;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[12].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[0] = 0x1a;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[1] = 0x19;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[2] = 0x16;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[3] = 0x0d;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[13].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[0] = 0x18;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[1] = 0x17;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[2] = 0x15;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[3] = 0x0c;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[14].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[0] = 0x17;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[1] = 0x16;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[2] = 0x13;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[3] = 0x0b;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[15].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[0] = 0x16;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[1] = 0x15;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[2] = 0x12;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[3] = 0x0b;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[16].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[0] = 0x14;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[1] = 0x14;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[2] = 0x11;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[3] = 0x0a;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[17].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[0] = 0x13;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[1] = 0x13;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[2] = 0x10;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[3] = 0x0a;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[18].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[0] = 0x12;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[1] = 0x12;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[2] = 0x0f;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[3] = 0x09;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[19].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[0] = 0x11;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[1] = 0x11;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[2] = 0x0f;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[3] = 0x09;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[20].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[0] = 0x10;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[1] = 0x10;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[2] = 0x0e;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[3] = 0x08;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[21].ccktxbb_valuearray[7] = 0x00;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[0] = 0x0f;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[1] = 0x0f;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[2] = 0x0d;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[3] = 0x08;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[4] = 0x00;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[5] = 0x00;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[6] = 0x00;
priv->cck_txbbgain_ch14_table[22].ccktxbb_valuearray[7] = 0x00;
priv->btxpower_tracking = true;
priv->txpower_count = 0;
priv->btxpower_trackingInit = false;
}
static void dm_InitializeTXPowerTracking_ThermalMeter(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Tx Power tracking by Thermal Meter requires Firmware R/W 3-wire. This mechanism
* can be enabled only when Firmware R/W 3-wire is enabled. Otherwise, frequent r/w
* 3-wire by driver causes RF to go into a wrong state.
*/
if (priv->ieee80211->FwRWRF)
priv->btxpower_tracking = true;
else
priv->btxpower_tracking = false;
priv->txpower_count = 0;
priv->btxpower_trackingInit = false;
}
void dm_initialize_txpower_tracking(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->bDcut)
dm_InitializeTXPowerTracking_TSSI(dev);
else
dm_InitializeTXPowerTracking_ThermalMeter(dev);
} /* dm_InitializeTXPowerTracking */
static void dm_CheckTXPowerTracking_TSSI(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u32 tx_power_track_counter;
if (!priv->btxpower_tracking)
return;
if ((tx_power_track_counter % 30 == 0) && (tx_power_track_counter != 0))
queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
tx_power_track_counter++;
}
static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u8 TM_Trigger;
if (!priv->btxpower_tracking)
return;
if (priv->txpower_count <= 2) {
priv->txpower_count++;
return;
}
if (!TM_Trigger) {
/* Attention!! You have to write all 12bits of data to RF, or it may cause RF to crash
* actually write reg0x02 bit1=0, then bit1=1.
* DbgPrint("Trigger ThermalMeter, write RF reg0x2 = 0x4d to 0x4f\n");
*/
rtl8192_phy_SetRFReg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4d);
rtl8192_phy_SetRFReg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4f);
rtl8192_phy_SetRFReg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4d);
rtl8192_phy_SetRFReg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4f);
TM_Trigger = 1;
return;
}
queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
TM_Trigger = 0;
}
static void dm_check_txpower_tracking(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef RTL8190P
dm_CheckTXPowerTracking_TSSI(dev);
#else
if (priv->bDcut)
dm_CheckTXPowerTracking_TSSI(dev);
else
dm_CheckTXPowerTracking_ThermalMeter(dev);
#endif
} /* dm_CheckTXPowerTracking */
static void dm_CCKTxPowerAdjust_TSSI(struct net_device *dev, bool bInCH14)
{
u32 TempVal;
struct r8192_priv *priv = ieee80211_priv(dev);
/* Write 0xa22 0xa23 */
TempVal = 0;
if (!bInCH14) {
/* Write 0xa22 0xa23 */
TempVal = priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[0] +
(priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[1]<<8);
rtl8192_setBBreg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal);
/* Write 0xa24 ~ 0xa27 */
TempVal = priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[2] +
(priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[3]<<8) +
(priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[4]<<16)+
(priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[5]<<24);
rtl8192_setBBreg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal);
/* Write 0xa28 0xa29 */
TempVal = priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[6] +
(priv->cck_txbbgain_table[priv->cck_present_attenuation].ccktxbb_valuearray[7]<<8);
rtl8192_setBBreg(dev, rCCK0_DebugPort, bMaskLWord, TempVal);
} else {
TempVal = priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[0] +
(priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[1]<<8);
rtl8192_setBBreg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal);
/* Write 0xa24 ~ 0xa27 */
TempVal = priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[2] +
(priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[3]<<8) +
(priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[4]<<16)+
(priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[5]<<24);
rtl8192_setBBreg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal);
/* Write 0xa28 0xa29 */
TempVal = priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[6] +
(priv->cck_txbbgain_ch14_table[priv->cck_present_attenuation].ccktxbb_valuearray[7]<<8);
rtl8192_setBBreg(dev, rCCK0_DebugPort, bMaskLWord, TempVal);
}
}
static void dm_CCKTxPowerAdjust_ThermalMeter(struct net_device *dev, bool bInCH14)
{
u32 TempVal;
struct r8192_priv *priv = ieee80211_priv(dev);
TempVal = 0;
if (!bInCH14) {
/* Write 0xa22 0xa23 */
TempVal = CCKSwingTable_Ch1_Ch13[priv->CCK_index][0] +
(CCKSwingTable_Ch1_Ch13[priv->CCK_index][1]<<8);
rtl8192_setBBreg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK not chnl 14, reg 0x%x = 0x%x\n",
rCCK0_TxFilter1, TempVal);
/* Write 0xa24 ~ 0xa27 */
TempVal = CCKSwingTable_Ch1_Ch13[priv->CCK_index][2] +
(CCKSwingTable_Ch1_Ch13[priv->CCK_index][3]<<8) +
(CCKSwingTable_Ch1_Ch13[priv->CCK_index][4]<<16)+
(CCKSwingTable_Ch1_Ch13[priv->CCK_index][5]<<24);
rtl8192_setBBreg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK not chnl 14, reg 0x%x = 0x%x\n",
rCCK0_TxFilter2, TempVal);
/* Write 0xa28 0xa29 */
TempVal = CCKSwingTable_Ch1_Ch13[priv->CCK_index][6] +
(CCKSwingTable_Ch1_Ch13[priv->CCK_index][7]<<8);
rtl8192_setBBreg(dev, rCCK0_DebugPort, bMaskLWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK not chnl 14, reg 0x%x = 0x%x\n",
rCCK0_DebugPort, TempVal);
} else {
/* Write 0xa22 0xa23 */
TempVal = CCKSwingTable_Ch14[priv->CCK_index][0] +
(CCKSwingTable_Ch14[priv->CCK_index][1]<<8);
rtl8192_setBBreg(dev, rCCK0_TxFilter1, bMaskHWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK chnl 14, reg 0x%x = 0x%x\n",
rCCK0_TxFilter1, TempVal);
/* Write 0xa24 ~ 0xa27 */
TempVal = CCKSwingTable_Ch14[priv->CCK_index][2] +
(CCKSwingTable_Ch14[priv->CCK_index][3]<<8) +
(CCKSwingTable_Ch14[priv->CCK_index][4]<<16)+
(CCKSwingTable_Ch14[priv->CCK_index][5]<<24);
rtl8192_setBBreg(dev, rCCK0_TxFilter2, bMaskDWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK chnl 14, reg 0x%x = 0x%x\n",
rCCK0_TxFilter2, TempVal);
/* Write 0xa28 0xa29 */
TempVal = CCKSwingTable_Ch14[priv->CCK_index][6] +
(CCKSwingTable_Ch14[priv->CCK_index][7]<<8);
rtl8192_setBBreg(dev, rCCK0_DebugPort, bMaskLWord, TempVal);
RT_TRACE(COMP_POWER_TRACKING, "CCK chnl 14, reg 0x%x = 0x%x\n",
rCCK0_DebugPort, TempVal);
}
}
void dm_cck_txpower_adjust(struct net_device *dev, bool binch14)
{ /* dm_CCKTxPowerAdjust */
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->bDcut)
dm_CCKTxPowerAdjust_TSSI(dev, binch14);
else
dm_CCKTxPowerAdjust_ThermalMeter(dev, binch14);
}
#ifndef RTL8192U
static void dm_txpower_reset_recovery(
struct net_device *dev
)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_POWER_TRACKING, "Start Reset Recovery ==>\n");
rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex].txbbgain_value);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery: Fill in 0xc80 is %08x\n", priv->txbbgain_table[priv->rfa_txpowertrackingindex].txbbgain_value);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery: Fill in RFA_txPowerTrackingIndex is %x\n", priv->rfa_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery : RF A I/Q Amplify Gain is %ld\n", priv->txbbgain_table[priv->rfa_txpowertrackingindex].txbb_iq_amplifygain);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery: CCK Attenuation is %d dB\n", priv->cck_present_attenuation);
dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
rtl8192_setBBreg(dev, rOFDM0_XCTxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfc_txpowertrackingindex].txbbgain_value);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery: Fill in 0xc90 is %08x\n", priv->txbbgain_table[priv->rfc_txpowertrackingindex].txbbgain_value);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery: Fill in RFC_txPowerTrackingIndex is %x\n", priv->rfc_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "Reset Recovery : RF C I/Q Amplify Gain is %ld\n", priv->txbbgain_table[priv->rfc_txpowertrackingindex].txbb_iq_amplifygain);
} /* dm_TXPowerResetRecovery */
void dm_restore_dynamic_mechanism_state(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 reg_ratr = priv->rate_adaptive.last_ratr;
if (!priv->up) {
RT_TRACE(COMP_RATE, "<---- dm_restore_dynamic_mechanism_state(): driver is going to unload\n");
return;
}
/* Restore previous state for rate adaptive */
if (priv->rate_adaptive.rate_adaptive_disabled)
return;
/* TODO: Only 11n mode is implemented currently, */
if (!(priv->ieee80211->mode == WIRELESS_MODE_N_24G ||
priv->ieee80211->mode == WIRELESS_MODE_N_5G))
return;
{
/* 2007/11/15 MH Copy from 8190PCI. */
u32 ratr_value;
ratr_value = reg_ratr;
if (priv->rf_type == RF_1T2R) { /* 1T2R, Spatial Stream 2 should be disabled */
ratr_value &= ~(RATE_ALL_OFDM_2SS);
}
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);
}
/* Restore TX Power Tracking Index */
if (priv->btxpower_trackingInit && priv->btxpower_tracking)
dm_txpower_reset_recovery(dev);
/* Restore BB Initial Gain */
dm_bb_initialgain_restore(dev);
} /* DM_RestoreDynamicMechanismState */
static void dm_bb_initialgain_restore(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 bit_mask = 0x7f; /* Bit0~ Bit6 */
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_RSSI)
return;
/* Disable Initial Gain */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); /* Only clear byte 1 and rewrite. */
rtl8192_setBBreg(dev, rOFDM0_XAAGCCore1, bit_mask, (u32)priv->initgain_backup.xaagccore1);
rtl8192_setBBreg(dev, rOFDM0_XBAGCCore1, bit_mask, (u32)priv->initgain_backup.xbagccore1);
rtl8192_setBBreg(dev, rOFDM0_XCAGCCore1, bit_mask, (u32)priv->initgain_backup.xcagccore1);
rtl8192_setBBreg(dev, rOFDM0_XDAGCCore1, bit_mask, (u32)priv->initgain_backup.xdagccore1);
bit_mask = bMaskByte2;
rtl8192_setBBreg(dev, rCCK0_CCA, bit_mask, (u32)priv->initgain_backup.cca);
RT_TRACE(COMP_DIG, "dm_BBInitialGainRestore 0xc50 is %x\n", priv->initgain_backup.xaagccore1);
RT_TRACE(COMP_DIG, "dm_BBInitialGainRestore 0xc58 is %x\n", priv->initgain_backup.xbagccore1);
RT_TRACE(COMP_DIG, "dm_BBInitialGainRestore 0xc60 is %x\n", priv->initgain_backup.xcagccore1);
RT_TRACE(COMP_DIG, "dm_BBInitialGainRestore 0xc68 is %x\n", priv->initgain_backup.xdagccore1);
RT_TRACE(COMP_DIG, "dm_BBInitialGainRestore 0xa0a is %x\n", priv->initgain_backup.cca);
/* Enable Initial Gain */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x1); /* Only clear byte 1 and rewrite. */
} /* dm_BBInitialGainRestore */
static void dm_bb_initialgain_backup(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 bit_mask = bMaskByte0; /* Bit0~ Bit6 */
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_RSSI)
return;
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); /* Only clear byte 1 and rewrite. */
priv->initgain_backup.xaagccore1 = (u8)rtl8192_QueryBBReg(dev, rOFDM0_XAAGCCore1, bit_mask);
priv->initgain_backup.xbagccore1 = (u8)rtl8192_QueryBBReg(dev, rOFDM0_XBAGCCore1, bit_mask);
priv->initgain_backup.xcagccore1 = (u8)rtl8192_QueryBBReg(dev, rOFDM0_XCAGCCore1, bit_mask);
priv->initgain_backup.xdagccore1 = (u8)rtl8192_QueryBBReg(dev, rOFDM0_XDAGCCore1, bit_mask);
bit_mask = bMaskByte2;
priv->initgain_backup.cca = (u8)rtl8192_QueryBBReg(dev, rCCK0_CCA, bit_mask);
RT_TRACE(COMP_DIG, "BBInitialGainBackup 0xc50 is %x\n", priv->initgain_backup.xaagccore1);
RT_TRACE(COMP_DIG, "BBInitialGainBackup 0xc58 is %x\n", priv->initgain_backup.xbagccore1);
RT_TRACE(COMP_DIG, "BBInitialGainBackup 0xc60 is %x\n", priv->initgain_backup.xcagccore1);
RT_TRACE(COMP_DIG, "BBInitialGainBackup 0xc68 is %x\n", priv->initgain_backup.xdagccore1);
RT_TRACE(COMP_DIG, "BBInitialGainBackup 0xa0a is %x\n", priv->initgain_backup.cca);
} /* dm_BBInitialGainBakcup */
#endif
/*-----------------------------------------------------------------------------
* Function: dm_dig_init()
*
* Overview: Set DIG scheme init value.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_dig_init(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* 2007/10/05 MH Disable DIG scheme now. Not tested. */
dm_digtable.dig_enable_flag = true;
dm_digtable.dig_algorithm = DIG_ALGO_BY_RSSI;
dm_digtable.dig_algorithm_switch = 0;
/* 2007/10/04 MH Define init gain threshold. */
dm_digtable.dig_state = DM_STA_DIG_MAX;
dm_digtable.dig_highpwr_state = DM_STA_DIG_MAX;
dm_digtable.rssi_low_thresh = DM_DIG_THRESH_LOW;
dm_digtable.rssi_high_thresh = DM_DIG_THRESH_HIGH;
dm_digtable.rssi_high_power_lowthresh = DM_DIG_HIGH_PWR_THRESH_LOW;
dm_digtable.rssi_high_power_highthresh = DM_DIG_HIGH_PWR_THRESH_HIGH;
dm_digtable.rssi_val = 50; /* for new dig debug rssi value */
dm_digtable.backoff_val = DM_DIG_BACKOFF;
if (priv->CustomerID == RT_CID_819x_Netcore)
dm_digtable.rx_gain_range_min = DM_DIG_MIN_NETCORE;
else
dm_digtable.rx_gain_range_min = DM_DIG_MIN;
} /* dm_dig_init */
/*-----------------------------------------------------------------------------
* Function: dm_ctrl_initgain_byrssi()
*
* Overview: Driver must monitor RSSI and notify firmware to change initial
* gain according to different threshold. BB team provide the
* suggested solution.
*
* Input: struct net_device *dev
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_ctrl_initgain_byrssi(struct net_device *dev)
{
if (!dm_digtable.dig_enable_flag)
return;
if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM)
dm_ctrl_initgain_byrssi_by_fwfalse_alarm(dev);
else if (dm_digtable.dig_algorithm == DIG_ALGO_BY_RSSI)
dm_ctrl_initgain_byrssi_by_driverrssi(dev);
/* ; */
else
return;
}
static void dm_ctrl_initgain_byrssi_by_driverrssi(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 i;
static u8 fw_dig;
if (!dm_digtable.dig_enable_flag)
return;
if (dm_digtable.dig_algorithm_switch) /* if switched algorithm, we have to disable FW Dig. */
fw_dig = 0;
if (fw_dig <= 3) { /* execute several times to make sure the FW Dig is disabled */
/* FW DIG Off */
for (i = 0; i < 3; i++)
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); /* Only clear byte 1 and rewrite. */
fw_dig++;
dm_digtable.dig_state = DM_STA_DIG_OFF; /* fw dig off. */
}
if (priv->ieee80211->state == IEEE80211_LINKED)
dm_digtable.cur_connect_state = DIG_CONNECT;
else
dm_digtable.cur_connect_state = DIG_DISCONNECT;
dm_digtable.rssi_val = priv->undecorated_smoothed_pwdb;
dm_initial_gain(dev);
dm_pd_th(dev);
dm_cs_ratio(dev);
if (dm_digtable.dig_algorithm_switch)
dm_digtable.dig_algorithm_switch = 0;
dm_digtable.pre_connect_state = dm_digtable.cur_connect_state;
} /* dm_CtrlInitGainByRssi */
static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u32 reset_cnt;
u8 i;
if (!dm_digtable.dig_enable_flag)
return;
if (dm_digtable.dig_algorithm_switch) {
dm_digtable.dig_state = DM_STA_DIG_MAX;
/* Fw DIG On. */
for (i = 0; i < 3; i++)
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x1); /* Only clear byte 1 and rewrite.*/
dm_digtable.dig_algorithm_switch = 0;
}
if (priv->ieee80211->state != IEEE80211_LINKED)
return;
/* For smooth, we can not change DIG state. */
if ((priv->undecorated_smoothed_pwdb > dm_digtable.rssi_low_thresh) &&
(priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_thresh))
return;
/* 1. When RSSI decrease, We have to judge if it is smaller than a threshold
* and then execute the step below.
*/
if (priv->undecorated_smoothed_pwdb <= dm_digtable.rssi_low_thresh) {
/* 2008/02/05 MH When we execute silent reset, the DIG PHY parameters
* will be reset to init value. We must prevent the condition.
*/
if (dm_digtable.dig_state == DM_STA_DIG_OFF &&
(priv->reset_count == reset_cnt)) {
return;
}
reset_cnt = priv->reset_count;
/* If DIG is off, DIG high power state must reset. */
dm_digtable.dig_highpwr_state = DM_STA_DIG_MAX;
dm_digtable.dig_state = DM_STA_DIG_OFF;
/* 1.1 DIG Off. */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); /* Only clear byte 1 and rewrite. */
/* 1.2 Set initial gain. */
write_nic_byte(dev, rOFDM0_XAAGCCore1, 0x17);
write_nic_byte(dev, rOFDM0_XBAGCCore1, 0x17);
write_nic_byte(dev, rOFDM0_XCAGCCore1, 0x17);
write_nic_byte(dev, rOFDM0_XDAGCCore1, 0x17);
/* 1.3 Lower PD_TH for OFDM. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
/* 2008/01/11 MH 40MHZ 90/92 register are not the same.
* 2008/02/05 MH SD3-Jerry 92U/92E PD_TH are the same.
*/
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x00);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x42);
/* 1.4 Lower CS ratio for CCK. */
write_nic_byte(dev, 0xa0a, 0x08);
/* 1.5 Higher EDCCA. */
return;
}
/* 2. When RSSI increase, We have to judge if it is larger than a threshold
* and then execute the step below.
*/
if (priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh) {
u8 reset_flag = 0;
if (dm_digtable.dig_state == DM_STA_DIG_ON &&
(priv->reset_count == reset_cnt)) {
dm_ctrl_initgain_byrssi_highpwr(dev);
return;
}
if (priv->reset_count != reset_cnt)
reset_flag = 1;
reset_cnt = priv->reset_count;
dm_digtable.dig_state = DM_STA_DIG_ON;
/* 2.1 Set initial gain.
* 2008/02/26 MH SD3-Jerry suggest to prevent dirty environment.
*/
if (reset_flag == 1) {
write_nic_byte(dev, rOFDM0_XAAGCCore1, 0x2c);
write_nic_byte(dev, rOFDM0_XBAGCCore1, 0x2c);
write_nic_byte(dev, rOFDM0_XCAGCCore1, 0x2c);
write_nic_byte(dev, rOFDM0_XDAGCCore1, 0x2c);
} else {
write_nic_byte(dev, rOFDM0_XAAGCCore1, 0x20);
write_nic_byte(dev, rOFDM0_XBAGCCore1, 0x20);
write_nic_byte(dev, rOFDM0_XCAGCCore1, 0x20);
write_nic_byte(dev, rOFDM0_XDAGCCore1, 0x20);
}
/* 2.2 Higher PD_TH for OFDM. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
/* 2008/01/11 MH 40MHZ 90/92 register are not the same.
* 2008/02/05 MH SD3-Jerry 92U/92E PD_TH are the same.
*/
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x20);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x44);
/* 2.3 Higher CS ratio for CCK. */
write_nic_byte(dev, 0xa0a, 0xcd);
/* 2.4 Lower EDCCA.
* 2008/01/11 MH 90/92 series are the same.
*/
/* 2.5 DIG On. */
rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x1); /* Only clear byte 1 and rewrite. */
}
dm_ctrl_initgain_byrssi_highpwr(dev);
} /* dm_CtrlInitGainByRssi */
/*-----------------------------------------------------------------------------
* Function: dm_ctrl_initgain_byrssi_highpwr()
*
* Overview:
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_ctrl_initgain_byrssi_highpwr(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u32 reset_cnt_highpwr;
/* For smooth, we can not change high power DIG state in the range. */
if ((priv->undecorated_smoothed_pwdb > dm_digtable.rssi_high_power_lowthresh) &&
(priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_power_highthresh))
return;
/* 3. When RSSI >75% or <70%, it is a high power issue. We have to judge if
* it is larger than a threshold and then execute the step below.
*
* 2008/02/05 MH SD3-Jerry Modify PD_TH for high power issue.
*/
if (priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_power_highthresh) {
if (dm_digtable.dig_highpwr_state == DM_STA_DIG_ON &&
(priv->reset_count == reset_cnt_highpwr))
return;
dm_digtable.dig_highpwr_state = DM_STA_DIG_ON;
/* 3.1 Higher PD_TH for OFDM for high power state. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x10);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x43);
} else {
if (dm_digtable.dig_highpwr_state == DM_STA_DIG_OFF &&
(priv->reset_count == reset_cnt_highpwr))
return;
dm_digtable.dig_highpwr_state = DM_STA_DIG_OFF;
if (priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_power_lowthresh &&
priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh) {
/* 3.2 Recover PD_TH for OFDM for normal power region. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x20);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x44);
}
}
reset_cnt_highpwr = priv->reset_count;
} /* dm_CtrlInitGainByRssiHighPwr */
static void dm_initial_gain(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 initial_gain = 0;
static u8 initialized, force_write;
static u32 reset_cnt;
u8 tmp;
if (dm_digtable.dig_algorithm_switch) {
initialized = 0;
reset_cnt = 0;
}
if (dm_digtable.pre_connect_state == dm_digtable.cur_connect_state) {
if (dm_digtable.cur_connect_state == DIG_CONNECT) {
if ((dm_digtable.rssi_val + 10 - dm_digtable.backoff_val) > DM_DIG_MAX)
dm_digtable.cur_ig_value = DM_DIG_MAX;
else if ((dm_digtable.rssi_val+10-dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min)
dm_digtable.cur_ig_value = dm_digtable.rx_gain_range_min;
else
dm_digtable.cur_ig_value = dm_digtable.rssi_val+10-dm_digtable.backoff_val;
} else { /* current state is disconnected */
if (dm_digtable.cur_ig_value == 0)
dm_digtable.cur_ig_value = priv->DefaultInitialGain[0];
else
dm_digtable.cur_ig_value = dm_digtable.pre_ig_value;
}
} else { /* disconnected -> connected or connected -> disconnected */
dm_digtable.cur_ig_value = priv->DefaultInitialGain[0];
dm_digtable.pre_ig_value = 0;
}
/* if silent reset happened, we should rewrite the values back */
if (priv->reset_count != reset_cnt) {
force_write = 1;
reset_cnt = priv->reset_count;
}
read_nic_byte(dev, rOFDM0_XAAGCCore1, &tmp);
if (dm_digtable.pre_ig_value != tmp)
force_write = 1;
{
if ((dm_digtable.pre_ig_value != dm_digtable.cur_ig_value)
|| !initialized || force_write) {
initial_gain = (u8)dm_digtable.cur_ig_value;
/* Set initial gain. */
write_nic_byte(dev, rOFDM0_XAAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XBAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XCAGCCore1, initial_gain);
write_nic_byte(dev, rOFDM0_XDAGCCore1, initial_gain);
dm_digtable.pre_ig_value = dm_digtable.cur_ig_value;
initialized = 1;
force_write = 0;
}
}
}
static void dm_pd_th(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u8 initialized, force_write;
static u32 reset_cnt;
if (dm_digtable.dig_algorithm_switch) {
initialized = 0;
reset_cnt = 0;
}
if (dm_digtable.pre_connect_state == dm_digtable.cur_connect_state) {
if (dm_digtable.cur_connect_state == DIG_CONNECT) {
if (dm_digtable.rssi_val >= dm_digtable.rssi_high_power_highthresh)
dm_digtable.curpd_thstate = DIG_PD_AT_HIGH_POWER;
else if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER;
else if ((dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh) &&
(dm_digtable.rssi_val < dm_digtable.rssi_high_power_lowthresh))
dm_digtable.curpd_thstate = DIG_PD_AT_NORMAL_POWER;
else
dm_digtable.curpd_thstate = dm_digtable.prepd_thstate;
} else {
dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER;
}
} else { /* disconnected -> connected or connected -> disconnected */
dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER;
}
/* if silent reset happened, we should rewrite the values back */
if (priv->reset_count != reset_cnt) {
force_write = 1;
reset_cnt = priv->reset_count;
}
{
if ((dm_digtable.prepd_thstate != dm_digtable.curpd_thstate) ||
(initialized <= 3) || force_write) {
if (dm_digtable.curpd_thstate == DIG_PD_AT_LOW_POWER) {
/* Lower PD_TH for OFDM. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
/* 2008/01/11 MH 40MHZ 90/92 register are not the same.
* 2008/02/05 MH SD3-Jerry 92U/92E PD_TH are the same.
*/
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x00);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x42);
} else if (dm_digtable.curpd_thstate == DIG_PD_AT_NORMAL_POWER) {
/* Higher PD_TH for OFDM. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
/* 2008/01/11 MH 40MHZ 90/92 register are not the same.
* 2008/02/05 MH SD3-Jerry 92U/92E PD_TH are the same.
*/
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x20);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x44);
} else if (dm_digtable.curpd_thstate == DIG_PD_AT_HIGH_POWER) {
/* Higher PD_TH for OFDM for high power state. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
write_nic_byte(dev, (rOFDM0_XATxAFE+3), 0x10);
} else
write_nic_byte(dev, rOFDM0_RxDetector1, 0x43);
}
dm_digtable.prepd_thstate = dm_digtable.curpd_thstate;
if (initialized <= 3)
initialized++;
force_write = 0;
}
}
}
static void dm_cs_ratio(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
static u8 initialized, force_write;
static u32 reset_cnt;
if (dm_digtable.dig_algorithm_switch) {
initialized = 0;
reset_cnt = 0;
}
if (dm_digtable.pre_connect_state == dm_digtable.cur_connect_state) {
if (dm_digtable.cur_connect_state == DIG_CONNECT) {
if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER;
else if (dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh)
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_HIGHER;
else
dm_digtable.curcs_ratio_state = dm_digtable.precs_ratio_state;
} else {
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER;
}
} else /* disconnected -> connected or connected -> disconnected */
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER;
/* if silent reset happened, we should rewrite the values back */
if (priv->reset_count != reset_cnt) {
force_write = 1;
reset_cnt = priv->reset_count;
}
{
if ((dm_digtable.precs_ratio_state != dm_digtable.curcs_ratio_state) ||
!initialized || force_write) {
if (dm_digtable.curcs_ratio_state == DIG_CS_RATIO_LOWER) {
/* Lower CS ratio for CCK. */
write_nic_byte(dev, 0xa0a, 0x08);
} else if (dm_digtable.curcs_ratio_state == DIG_CS_RATIO_HIGHER) {
/* Higher CS ratio for CCK. */
write_nic_byte(dev, 0xa0a, 0xcd);
}
dm_digtable.precs_ratio_state = dm_digtable.curcs_ratio_state;
initialized = 1;
force_write = 0;
}
}
}
void dm_init_edca_turbo(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->bcurrent_turbo_EDCA = false;
priv->ieee80211->bis_any_nonbepkts = false;
priv->bis_cur_rdlstate = false;
} /* dm_init_edca_turbo */
static void dm_check_edca_turbo(
struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo;
/* Keep past Tx/Rx packet count for RT-to-RT EDCA turbo. */
static unsigned long lastTxOkCnt;
static unsigned long lastRxOkCnt;
unsigned long curTxOkCnt = 0;
unsigned long curRxOkCnt = 0;
/* Do not be Turbo if it's under WiFi config and Qos Enabled, because the EDCA parameters
* should follow the settings from QAP. By Bruce, 2007-12-07.
*/
if (priv->ieee80211->state != IEEE80211_LINKED)
goto dm_CheckEdcaTurbo_EXIT;
/* We do not turn on EDCA turbo mode for some AP that has IOT issue */
if (priv->ieee80211->pHTInfo->IOTAction & HT_IOT_ACT_DISABLE_EDCA_TURBO)
goto dm_CheckEdcaTurbo_EXIT;
if (!priv->ieee80211->bis_any_nonbepkts) {
curTxOkCnt = priv->stats.txbytesunicast - lastTxOkCnt;
curRxOkCnt = priv->stats.rxbytesunicast - lastRxOkCnt;
/* For RT-AP, we needs to turn it on when Rx>Tx */
if (curRxOkCnt > 4*curTxOkCnt) {
if (!priv->bis_cur_rdlstate || !priv->bcurrent_turbo_EDCA) {
write_nic_dword(dev, EDCAPARA_BE, edca_setting_DL[pHTInfo->IOTPeer]);
priv->bis_cur_rdlstate = true;
}
} else {
if (priv->bis_cur_rdlstate || !priv->bcurrent_turbo_EDCA) {
write_nic_dword(dev, EDCAPARA_BE, edca_setting_UL[pHTInfo->IOTPeer]);
priv->bis_cur_rdlstate = false;
}
}
priv->bcurrent_turbo_EDCA = true;
} else {
/* Turn Off EDCA turbo here.
* Restore original EDCA according to the declaration of AP.
*/
if (priv->bcurrent_turbo_EDCA) {
u8 u1bAIFS;
u32 u4bAcParam, op_limit, cw_max, cw_min;
struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
u8 mode = priv->ieee80211->mode;
/* For Each time updating EDCA parameter, reset EDCA turbo mode status. */
dm_init_edca_turbo(dev);
u1bAIFS = qos_parameters->aifs[0] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[0]);
cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[0]);
cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[0]);
op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
cpu_to_le32s(&u4bAcParam);
write_nic_dword(dev, EDCAPARA_BE, u4bAcParam);
/* Check ACM bit.
* If it is set, immediately set ACM control bit to downgrading AC for passing WMM testplan. Annie, 2005-12-13.
*/
{
/* TODO: Modified this part and try to set acm control in only 1 IO processing!! */
struct aci_aifsn *pAciAifsn = (struct aci_aifsn *)&(qos_parameters->aifs[0]);
u8 AcmCtrl;
read_nic_byte(dev, AcmHwCtrl, &AcmCtrl);
if (pAciAifsn->acm) { /* acm bit is 1. */
AcmCtrl |= AcmHw_BeqEn;
} else { /* ACM bit is 0. */
AcmCtrl &= (~AcmHw_BeqEn);
}
RT_TRACE(COMP_QOS, "SetHwReg8190pci(): [HW_VAR_ACM_CTRL] Write 0x%X\n", AcmCtrl);
write_nic_byte(dev, AcmHwCtrl, AcmCtrl);
}
priv->bcurrent_turbo_EDCA = false;
}
}
dm_CheckEdcaTurbo_EXIT:
/* Set variables for next time. */
priv->ieee80211->bis_any_nonbepkts = false;
lastTxOkCnt = priv->stats.txbytesunicast;
lastRxOkCnt = priv->stats.rxbytesunicast;
} /* dm_CheckEdcaTurbo */
static void dm_init_ctstoself(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->ieee80211->bCTSToSelfEnable = true;
priv->ieee80211->CTSToSelfTH = CTS_TO_SELF_TH_VAL;
}
static void dm_ctstoself(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo;
static unsigned long lastTxOkCnt;
static unsigned long lastRxOkCnt;
unsigned long curTxOkCnt = 0;
unsigned long curRxOkCnt = 0;
if (!priv->ieee80211->bCTSToSelfEnable) {
pHTInfo->IOTAction &= ~HT_IOT_ACT_FORCED_CTS2SELF;
return;
}
/* 1. Uplink
* 2. Linksys350/Linksys300N
* 3. <50 disable, >55 enable
*/
if (pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) {
curTxOkCnt = priv->stats.txbytesunicast - lastTxOkCnt;
curRxOkCnt = priv->stats.rxbytesunicast - lastRxOkCnt;
if (curRxOkCnt > 4*curTxOkCnt) { /* downlink, disable CTS to self */
pHTInfo->IOTAction &= ~HT_IOT_ACT_FORCED_CTS2SELF;
} else { /* uplink */
pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
}
lastTxOkCnt = priv->stats.txbytesunicast;
lastRxOkCnt = priv->stats.rxbytesunicast;
}
}
/*-----------------------------------------------------------------------------
* Function: dm_check_pbc_gpio()
*
* Overview: Check if PBC button is pressed.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_check_pbc_gpio(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 tmp1byte;
read_nic_byte(dev, GPI, &tmp1byte);
if (tmp1byte == 0xff)
return;
if (tmp1byte & BIT(6) || tmp1byte & BIT(0)) {
/* Here we only set bPbcPressed to TRUE
* After trigger PBC, the variable will be set to FALSE
*/
RT_TRACE(COMP_IO, "CheckPbcGPIO - PBC is pressed\n");
priv->bpbc_pressed = true;
}
}
/*-----------------------------------------------------------------------------
* Function: DM_RFPathCheckWorkItemCallBack()
*
* Overview: Check if Current RF RX path is enabled
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
void dm_rf_pathcheck_workitemcallback(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct r8192_priv *priv = container_of(dwork, struct r8192_priv, rfpath_check_wq);
struct net_device *dev = priv->ieee80211->dev;
u8 rfpath = 0, i;
/* 2008/01/30 MH After discussing with SD3 Jerry, 0xc04/0xd04 register will
* always be the same. We only read 0xc04 now.
*/
read_nic_byte(dev, 0xc04, &rfpath);
/* Check Bit 0-3, it means if RF A-D is enabled. */
for (i = 0; i < RF90_PATH_MAX; i++) {
if (rfpath & (0x01<<i))
priv->brfpath_rxenable[i] = true;
else
priv->brfpath_rxenable[i] = false;
}
dm_rxpath_sel_byrssi(dev);
} /* DM_RFPathCheckWorkItemCallBack */
static void dm_init_rxpath_selection(struct net_device *dev)
{
u8 i;
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->CustomerID == RT_CID_819x_Netcore)
DM_RxPathSelTable.cck_method = CCK_RX_VERSION_2;
else
DM_RxPathSelTable.cck_method = CCK_RX_VERSION_1;
DM_RxPathSelTable.disabled_rf = 0;
for (i = 0; i < 4; i++) {
DM_RxPathSelTable.rf_rssi[i] = 50;
DM_RxPathSelTable.cck_pwdb_sta[i] = -64;
DM_RxPathSelTable.rf_enable_rssi_th[i] = 100;
}
}
static void dm_rxpath_sel_byrssi(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 i, max_rssi_index = 0, min_rssi_index = 0, sec_rssi_index = 0, rf_num = 0;
u8 tmp_max_rssi = 0, tmp_min_rssi = 0, tmp_sec_rssi = 0;
u8 cck_default_Rx = 0x2; /* RF-C */
u8 cck_optional_Rx = 0x3; /* RF-D */
long tmp_cck_max_pwdb = 0, tmp_cck_min_pwdb = 0, tmp_cck_sec_pwdb = 0;
u8 cck_rx_ver2_max_index = 0, cck_rx_ver2_min_index = 0, cck_rx_ver2_sec_index = 0;
u8 cur_rf_rssi;
long cur_cck_pwdb;
static u8 disabled_rf_cnt, cck_Rx_Path_initialized;
u8 update_cck_rx_path;
if (priv->rf_type != RF_2T4R)
return;
if (!cck_Rx_Path_initialized) {
read_nic_byte(dev, 0xa07, &DM_RxPathSelTable.cck_rx_path);
DM_RxPathSelTable.cck_rx_path &= 0xf;
cck_Rx_Path_initialized = 1;
}
read_nic_byte(dev, 0xc04, &DM_RxPathSelTable.disabled_rf);
DM_RxPathSelTable.disabled_rf = ~DM_RxPathSelTable.disabled_rf & 0xf;
if (priv->ieee80211->mode == WIRELESS_MODE_B) {
DM_RxPathSelTable.cck_method = CCK_RX_VERSION_2; /* pure B mode, fixed cck version2 */
}
/* decide max/sec/min rssi index */
for (i = 0; i < RF90_PATH_MAX; i++) {
DM_RxPathSelTable.rf_rssi[i] = priv->stats.rx_rssi_percentage[i];
if (priv->brfpath_rxenable[i]) {
rf_num++;
cur_rf_rssi = DM_RxPathSelTable.rf_rssi[i];
if (rf_num == 1) { /* find first enabled rf path and the rssi values */
/* initialize, set all rssi index to the same one */
max_rssi_index = min_rssi_index = sec_rssi_index = i;
tmp_max_rssi = tmp_min_rssi = tmp_sec_rssi = cur_rf_rssi;
} else if (rf_num == 2) { /* we pick up the max index first, and let sec and min to be the same one */
if (cur_rf_rssi >= tmp_max_rssi) {
tmp_max_rssi = cur_rf_rssi;
max_rssi_index = i;
} else {
tmp_sec_rssi = tmp_min_rssi = cur_rf_rssi;
sec_rssi_index = min_rssi_index = i;
}
} else {
if (cur_rf_rssi > tmp_max_rssi) {
tmp_sec_rssi = tmp_max_rssi;
sec_rssi_index = max_rssi_index;
tmp_max_rssi = cur_rf_rssi;
max_rssi_index = i;
} else if (cur_rf_rssi == tmp_max_rssi) { /* let sec and min point to the different index */
tmp_sec_rssi = cur_rf_rssi;
sec_rssi_index = i;
} else if ((cur_rf_rssi < tmp_max_rssi) && (cur_rf_rssi > tmp_sec_rssi)) {
tmp_sec_rssi = cur_rf_rssi;
sec_rssi_index = i;
} else if (cur_rf_rssi == tmp_sec_rssi) {
if (tmp_sec_rssi == tmp_min_rssi) {
/* let sec and min point to the different index */
tmp_sec_rssi = cur_rf_rssi;
sec_rssi_index = i;
} else {
/* This case we don't need to set any index */
}
} else if ((cur_rf_rssi < tmp_sec_rssi) && (cur_rf_rssi > tmp_min_rssi)) {
/* This case we don't need to set any index */
} else if (cur_rf_rssi == tmp_min_rssi) {
if (tmp_sec_rssi == tmp_min_rssi) {
/* let sec and min point to the different index */
tmp_min_rssi = cur_rf_rssi;
min_rssi_index = i;
} else {
/* This case we don't need to set any index */
}
} else if (cur_rf_rssi < tmp_min_rssi) {
tmp_min_rssi = cur_rf_rssi;
min_rssi_index = i;
}
}
}
}
rf_num = 0;
/* decide max/sec/min cck pwdb index */
if (DM_RxPathSelTable.cck_method == CCK_RX_VERSION_2) {
for (i = 0; i < RF90_PATH_MAX; i++) {
if (priv->brfpath_rxenable[i]) {
rf_num++;
cur_cck_pwdb = DM_RxPathSelTable.cck_pwdb_sta[i];
if (rf_num == 1) { /* find first enabled rf path and the rssi values */
/* initialize, set all rssi index to the same one */
cck_rx_ver2_max_index = cck_rx_ver2_min_index = cck_rx_ver2_sec_index = i;
tmp_cck_max_pwdb = tmp_cck_min_pwdb = tmp_cck_sec_pwdb = cur_cck_pwdb;
} else if (rf_num == 2) { /* we pick up the max index first, and let sec and min to be the same one */
if (cur_cck_pwdb >= tmp_cck_max_pwdb) {
tmp_cck_max_pwdb = cur_cck_pwdb;
cck_rx_ver2_max_index = i;
} else {
tmp_cck_sec_pwdb = tmp_cck_min_pwdb = cur_cck_pwdb;
cck_rx_ver2_sec_index = cck_rx_ver2_min_index = i;
}
} else {
if (cur_cck_pwdb > tmp_cck_max_pwdb) {
tmp_cck_sec_pwdb = tmp_cck_max_pwdb;
cck_rx_ver2_sec_index = cck_rx_ver2_max_index;
tmp_cck_max_pwdb = cur_cck_pwdb;
cck_rx_ver2_max_index = i;
} else if (cur_cck_pwdb == tmp_cck_max_pwdb) {
/* let sec and min point to the different index */
tmp_cck_sec_pwdb = cur_cck_pwdb;
cck_rx_ver2_sec_index = i;
} else if ((cur_cck_pwdb < tmp_cck_max_pwdb) && (cur_cck_pwdb > tmp_cck_sec_pwdb)) {
tmp_cck_sec_pwdb = cur_cck_pwdb;
cck_rx_ver2_sec_index = i;
} else if (cur_cck_pwdb == tmp_cck_sec_pwdb && tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
/* let sec and min point to the different index */
tmp_cck_sec_pwdb = cur_cck_pwdb;
cck_rx_ver2_sec_index = i;
/* otherwise we don't need to set any index */
} else if ((cur_cck_pwdb < tmp_cck_sec_pwdb) && (cur_cck_pwdb > tmp_cck_min_pwdb)) {
/* This case we don't need to set any index */
} else if (cur_cck_pwdb == tmp_cck_min_pwdb && tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
/* let sec and min point to the different index */
tmp_cck_min_pwdb = cur_cck_pwdb;
cck_rx_ver2_min_index = i;
/* otherwise we don't need to set any index */
} else if (cur_cck_pwdb < tmp_cck_min_pwdb) {
tmp_cck_min_pwdb = cur_cck_pwdb;
cck_rx_ver2_min_index = i;
}
}
}
}
}
/* Set CCK Rx path
* reg0xA07[3:2]=cck default rx path, reg0xa07[1:0]=cck optional rx path.
*/
update_cck_rx_path = 0;
if (DM_RxPathSelTable.cck_method == CCK_RX_VERSION_2) {
cck_default_Rx = cck_rx_ver2_max_index;
cck_optional_Rx = cck_rx_ver2_sec_index;
if (tmp_cck_max_pwdb != -64)
update_cck_rx_path = 1;
}
if (tmp_min_rssi < RX_PATH_SELECTION_SS_TH_LOW && disabled_rf_cnt < 2) {
if ((tmp_max_rssi - tmp_min_rssi) >= RX_PATH_SELECTION_DIFF_TH) {
/* record the enabled rssi threshold */
DM_RxPathSelTable.rf_enable_rssi_th[min_rssi_index] = tmp_max_rssi+5;
/* disable the BB Rx path, OFDM */
rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x1<<min_rssi_index, 0x0); /* 0xc04[3:0] */
rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x1<<min_rssi_index, 0x0); /* 0xd04[3:0] */
disabled_rf_cnt++;
}
if (DM_RxPathSelTable.cck_method == CCK_RX_VERSION_1) {
cck_default_Rx = max_rssi_index;
cck_optional_Rx = sec_rssi_index;
if (tmp_max_rssi)
update_cck_rx_path = 1;
}
}
if (update_cck_rx_path) {
DM_RxPathSelTable.cck_rx_path = (cck_default_Rx<<2)|(cck_optional_Rx);
rtl8192_setBBreg(dev, rCCK0_AFESetting, 0x0f000000, DM_RxPathSelTable.cck_rx_path);
}
if (DM_RxPathSelTable.disabled_rf) {
for (i = 0; i < 4; i++) {
if ((DM_RxPathSelTable.disabled_rf >> i) & 0x1) { /* disabled rf */
if (tmp_max_rssi >= DM_RxPathSelTable.rf_enable_rssi_th[i]) {
/* enable the BB Rx path */
rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x1<<i, 0x1); /* 0xc04[3:0] */
rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x1<<i, 0x1); /* 0xd04[3:0] */
DM_RxPathSelTable.rf_enable_rssi_th[i] = 100;
disabled_rf_cnt--;
}
}
}
}
}
/*-----------------------------------------------------------------------------
* Function: dm_check_rx_path_selection()
*
* Overview: Call a workitem to check current RXRF path and Rx Path selection by RSSI.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_check_rx_path_selection(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
queue_delayed_work(priv->priv_wq, &priv->rfpath_check_wq, 0);
} /* dm_CheckRxRFPath */
static void dm_init_fsync(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->ieee80211->fsync_time_interval = 500;
priv->ieee80211->fsync_rate_bitmap = 0x0f000800;
priv->ieee80211->fsync_rssi_threshold = 30;
priv->ieee80211->bfsync_enable = false;
priv->ieee80211->fsync_multiple_timeinterval = 3;
priv->ieee80211->fsync_firstdiff_ratethreshold = 100;
priv->ieee80211->fsync_seconddiff_ratethreshold = 200;
priv->ieee80211->fsync_state = Default_Fsync;
priv->framesyncMonitor = 1; /* current default 0xc38 monitor on */
INIT_DELAYED_WORK(&priv->fsync_work, dm_fsync_work_callback);
}
static void dm_deInit_fsync(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
cancel_delayed_work_sync(&priv->fsync_work);
}
void dm_fsync_work_callback(struct work_struct *work)
{
struct r8192_priv *priv =
container_of(work, struct r8192_priv, fsync_work.work);
struct net_device *dev = priv->ieee80211->dev;
u32 rate_index, rate_count = 0, rate_count_diff = 0;
bool bSwitchFromCountDiff = false;
bool bDoubleTimeInterval = false;
if (priv->ieee80211->state == IEEE80211_LINKED &&
priv->ieee80211->bfsync_enable &&
(priv->ieee80211->pHTInfo->IOTAction & HT_IOT_ACT_CDD_FSYNC)) {
/* Count rate 54, MCS [7], [12, 13, 14, 15] */
u32 rate_bitmap;
for (rate_index = 0; rate_index <= 27; rate_index++) {
rate_bitmap = 1 << rate_index;
if (priv->ieee80211->fsync_rate_bitmap & rate_bitmap)
rate_count += priv->stats.received_rate_histogram[1][rate_index];
}
if (rate_count < priv->rate_record)
rate_count_diff = 0xffffffff - rate_count + priv->rate_record;
else
rate_count_diff = rate_count - priv->rate_record;
if (rate_count_diff < priv->rateCountDiffRecord) {
u32 DiffNum = priv->rateCountDiffRecord - rate_count_diff;
/* Continue count */
if (DiffNum >= priv->ieee80211->fsync_seconddiff_ratethreshold)
priv->ContinueDiffCount++;
else
priv->ContinueDiffCount = 0;
/* Continue count over */
if (priv->ContinueDiffCount >= 2) {
bSwitchFromCountDiff = true;
priv->ContinueDiffCount = 0;
}
} else {
/* Stop the continued count */
priv->ContinueDiffCount = 0;
}
/* If Count diff <= FsyncRateCountThreshold */
if (rate_count_diff <= priv->ieee80211->fsync_firstdiff_ratethreshold) {
bSwitchFromCountDiff = true;
priv->ContinueDiffCount = 0;
}
priv->rate_record = rate_count;
priv->rateCountDiffRecord = rate_count_diff;
RT_TRACE(COMP_HALDM, "rateRecord %d rateCount %d, rateCountdiff %d bSwitchFsync %d\n", priv->rate_record, rate_count, rate_count_diff, priv->bswitch_fsync);
/* if we never receive those mcs rate and rssi > 30 % then switch fsyn */
if (priv->undecorated_smoothed_pwdb > priv->ieee80211->fsync_rssi_threshold && bSwitchFromCountDiff) {
bDoubleTimeInterval = true;
priv->bswitch_fsync = !priv->bswitch_fsync;
if (priv->bswitch_fsync) {
write_nic_byte(dev, 0xC36, 0x1c);
write_nic_byte(dev, 0xC3e, 0x90);
} else {
write_nic_byte(dev, 0xC36, 0x5c);
write_nic_byte(dev, 0xC3e, 0x96);
}
} else if (priv->undecorated_smoothed_pwdb <= priv->ieee80211->fsync_rssi_threshold) {
if (priv->bswitch_fsync) {
priv->bswitch_fsync = false;
write_nic_byte(dev, 0xC36, 0x5c);
write_nic_byte(dev, 0xC3e, 0x96);
}
}
if (bDoubleTimeInterval) {
cancel_delayed_work_sync(&priv->fsync_work);
schedule_delayed_work(&priv->fsync_work,
msecs_to_jiffies(priv
->ieee80211->fsync_time_interval *
priv->ieee80211->fsync_multiple_timeinterval));
} else {
cancel_delayed_work_sync(&priv->fsync_work);
schedule_delayed_work(&priv->fsync_work,
msecs_to_jiffies(priv
->ieee80211->fsync_time_interval));
}
} else {
/* Let Register return to default value; */
if (priv->bswitch_fsync) {
priv->bswitch_fsync = false;
write_nic_byte(dev, 0xC36, 0x5c);
write_nic_byte(dev, 0xC3e, 0x96);
}
priv->ContinueDiffCount = 0;
write_nic_dword(dev, rOFDM0_RxDetector2, 0x465c52cd);
}
RT_TRACE(COMP_HALDM, "ContinueDiffCount %d\n", priv->ContinueDiffCount);
RT_TRACE(COMP_HALDM, "rateRecord %d rateCount %d, rateCountdiff %d bSwitchFsync %d\n", priv->rate_record, rate_count, rate_count_diff, priv->bswitch_fsync);
}
static void dm_StartHWFsync(struct net_device *dev)
{
RT_TRACE(COMP_HALDM, "%s\n", __func__);
write_nic_dword(dev, rOFDM0_RxDetector2, 0x465c12cf);
write_nic_byte(dev, 0xc3b, 0x41);
}
static void dm_EndSWFsync(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_HALDM, "%s\n", __func__);
cancel_delayed_work_sync(&priv->fsync_work);
/* Let Register return to default value; */
if (priv->bswitch_fsync) {
priv->bswitch_fsync = false;
write_nic_byte(dev, 0xC36, 0x5c);
write_nic_byte(dev, 0xC3e, 0x96);
}
priv->ContinueDiffCount = 0;
write_nic_dword(dev, rOFDM0_RxDetector2, 0x465c52cd);
}
static void dm_StartSWFsync(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 rateIndex;
u32 rateBitmap;
RT_TRACE(COMP_HALDM, "%s\n", __func__);
/* Initial rate record to zero, start to record. */
priv->rate_record = 0;
/* Initialize continue diff count to zero, start to record. */
priv->ContinueDiffCount = 0;
priv->rateCountDiffRecord = 0;
priv->bswitch_fsync = false;
if (priv->ieee80211->mode == WIRELESS_MODE_N_24G) {
priv->ieee80211->fsync_firstdiff_ratethreshold = 600;
priv->ieee80211->fsync_seconddiff_ratethreshold = 0xffff;
} else {
priv->ieee80211->fsync_firstdiff_ratethreshold = 200;
priv->ieee80211->fsync_seconddiff_ratethreshold = 200;
}
for (rateIndex = 0; rateIndex <= 27; rateIndex++) {
rateBitmap = 1 << rateIndex;
if (priv->ieee80211->fsync_rate_bitmap & rateBitmap)
priv->rate_record += priv->stats.received_rate_histogram[1][rateIndex];
}
cancel_delayed_work_sync(&priv->fsync_work);
schedule_delayed_work(&priv->fsync_work,
msecs_to_jiffies(priv->ieee80211->fsync_time_interval));
write_nic_dword(dev, rOFDM0_RxDetector2, 0x465c12cd);
}
static void dm_EndHWFsync(struct net_device *dev)
{
RT_TRACE(COMP_HALDM, "%s\n", __func__);
write_nic_dword(dev, rOFDM0_RxDetector2, 0x465c52cd);
write_nic_byte(dev, 0xc3b, 0x49);
}
void dm_check_fsync(struct net_device *dev)
{
#define RegC38_Default 0
#define RegC38_NonFsync_Other_AP 1
#define RegC38_Fsync_AP_BCM 2
struct r8192_priv *priv = ieee80211_priv(dev);
static u8 reg_c38_State = RegC38_Default;
static u32 reset_cnt;
RT_TRACE(COMP_HALDM, "RSSI %d TimeInterval %d MultipleTimeInterval %d\n", priv->ieee80211->fsync_rssi_threshold, priv->ieee80211->fsync_time_interval, priv->ieee80211->fsync_multiple_timeinterval);
RT_TRACE(COMP_HALDM, "RateBitmap 0x%x FirstDiffRateThreshold %d SecondDiffRateThreshold %d\n", priv->ieee80211->fsync_rate_bitmap, priv->ieee80211->fsync_firstdiff_ratethreshold, priv->ieee80211->fsync_seconddiff_ratethreshold);
if (priv->ieee80211->state == IEEE80211_LINKED &&
(priv->ieee80211->pHTInfo->IOTAction & HT_IOT_ACT_CDD_FSYNC)) {
if (priv->ieee80211->bfsync_enable == 0) {
switch (priv->ieee80211->fsync_state) {
case Default_Fsync:
dm_StartHWFsync(dev);
priv->ieee80211->fsync_state = HW_Fsync;
break;
case SW_Fsync:
dm_EndSWFsync(dev);
dm_StartHWFsync(dev);
priv->ieee80211->fsync_state = HW_Fsync;
break;
case HW_Fsync:
default:
break;
}
} else {
switch (priv->ieee80211->fsync_state) {
case Default_Fsync:
dm_StartSWFsync(dev);
priv->ieee80211->fsync_state = SW_Fsync;
break;
case HW_Fsync:
dm_EndHWFsync(dev);
dm_StartSWFsync(dev);
priv->ieee80211->fsync_state = SW_Fsync;
break;
case SW_Fsync:
default:
break;
}
}
if (priv->framesyncMonitor) {
if (reg_c38_State != RegC38_Fsync_AP_BCM) {
/* For broadcom AP we write different default value */
write_nic_byte(dev, rOFDM0_RxDetector3, 0x95);
reg_c38_State = RegC38_Fsync_AP_BCM;
}
}
} else {
switch (priv->ieee80211->fsync_state) {
case HW_Fsync:
dm_EndHWFsync(dev);
priv->ieee80211->fsync_state = Default_Fsync;
break;
case SW_Fsync:
dm_EndSWFsync(dev);
priv->ieee80211->fsync_state = Default_Fsync;
break;
case Default_Fsync:
default:
break;
}
if (priv->framesyncMonitor) {
if (priv->ieee80211->state == IEEE80211_LINKED) {
if (priv->undecorated_smoothed_pwdb <= REG_C38_TH) {
if (reg_c38_State != RegC38_NonFsync_Other_AP) {
write_nic_byte(dev, rOFDM0_RxDetector3, 0x90);
reg_c38_State = RegC38_NonFsync_Other_AP;
}
} else if (priv->undecorated_smoothed_pwdb >= (REG_C38_TH + 5)) {
if (reg_c38_State) {
write_nic_byte(dev, rOFDM0_RxDetector3, priv->framesync);
reg_c38_State = RegC38_Default;
}
}
} else {
if (reg_c38_State) {
write_nic_byte(dev, rOFDM0_RxDetector3, priv->framesync);
reg_c38_State = RegC38_Default;
}
}
}
}
if (priv->framesyncMonitor) {
if (priv->reset_count != reset_cnt) { /* After silent reset, the reg_c38_State will be returned to default value */
write_nic_byte(dev, rOFDM0_RxDetector3, priv->framesync);
reg_c38_State = RegC38_Default;
reset_cnt = priv->reset_count;
}
} else {
if (reg_c38_State) {
write_nic_byte(dev, rOFDM0_RxDetector3, priv->framesync);
reg_c38_State = RegC38_Default;
}
}
}
/*---------------------------Define function prototype------------------------*/
/*-----------------------------------------------------------------------------
* Function: DM_DynamicTxPower()
*
* Overview: Detect Signal strength to control TX Registry
Tx Power Control For Near/Far Range
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*---------------------------------------------------------------------------
*/
static void dm_init_dynamic_txpower(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* Initial TX Power Control for near/far range , add by amy 2008/05/15, porting from windows code. */
priv->ieee80211->bdynamic_txpower_enable = true; /* Default to enable Tx Power Control */
priv->bLastDTPFlag_High = false;
priv->bLastDTPFlag_Low = false;
priv->bDynamicTxHighPower = false;
priv->bDynamicTxLowPower = false;
}
static void dm_dynamic_txpower(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
unsigned int txhipower_threshold = 0;
unsigned int txlowpower_threshold = 0;
if (!priv->ieee80211->bdynamic_txpower_enable) {
priv->bDynamicTxHighPower = false;
priv->bDynamicTxLowPower = false;
return;
}
if ((priv->ieee80211->current_network.atheros_cap_exist) && (priv->ieee80211->mode == IEEE_G)) {
txhipower_threshold = TX_POWER_ATHEROAP_THRESH_HIGH;
txlowpower_threshold = TX_POWER_ATHEROAP_THRESH_LOW;
} else {
txhipower_threshold = TX_POWER_NEAR_FIELD_THRESH_HIGH;
txlowpower_threshold = TX_POWER_NEAR_FIELD_THRESH_LOW;
}
RT_TRACE(COMP_TXAGC, "priv->undecorated_smoothed_pwdb = %ld\n", priv->undecorated_smoothed_pwdb);
if (priv->ieee80211->state == IEEE80211_LINKED) {
if (priv->undecorated_smoothed_pwdb >= txhipower_threshold) {
priv->bDynamicTxHighPower = true;
priv->bDynamicTxLowPower = false;
} else {
/* high power state check */
if (priv->undecorated_smoothed_pwdb < txlowpower_threshold && priv->bDynamicTxHighPower)
priv->bDynamicTxHighPower = false;
/* low power state check */
if (priv->undecorated_smoothed_pwdb < 35)
priv->bDynamicTxLowPower = true;
else if (priv->undecorated_smoothed_pwdb >= 40)
priv->bDynamicTxLowPower = false;
}
} else {
priv->bDynamicTxHighPower = false;
priv->bDynamicTxLowPower = false;
}
if ((priv->bDynamicTxHighPower != priv->bLastDTPFlag_High) ||
(priv->bDynamicTxLowPower != priv->bLastDTPFlag_Low)) {
RT_TRACE(COMP_TXAGC, "SetTxPowerLevel8190() channel = %d\n", priv->ieee80211->current_network.channel);
#if defined(RTL8190P) || defined(RTL8192E)
SetTxPowerLevel8190(Adapter, pHalData->CurrentChannel);
#endif
rtl8192_phy_setTxPower(dev, priv->ieee80211->current_network.channel);
/*pHalData->bStartTxCtrlByTPCNFR = FALSE; Clear th flag of Set TX Power from Sitesurvey*/
}
priv->bLastDTPFlag_High = priv->bDynamicTxHighPower;
priv->bLastDTPFlag_Low = priv->bDynamicTxLowPower;
} /* dm_dynamic_txpower */
/* added by vivi, for read tx rate and retrycount */
static void dm_check_txrateandretrycount(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
/* for 11n tx rate */
read_nic_byte(dev, CURRENT_TX_RATE_REG, &ieee->softmac_stats.CurrentShowTxate);
/* for initial tx rate */
read_nic_byte(dev, INITIAL_TX_RATE_REG, &ieee->softmac_stats.last_packet_rate);
/* for tx retry count */
read_nic_dword(dev, TX_RETRY_COUNT_REG, &ieee->softmac_stats.txretrycount);
}
static void dm_send_rssi_tofw(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
/* If we test chariot, we should stop the TX command ?
* Because 92E will always silent reset when we send tx command. We use register
* 0x1e0(byte) to notify driver.
*/
write_nic_byte(dev, DRIVER_RSSI, (u8)priv->undecorated_smoothed_pwdb);
}
/*---------------------------Define function prototype------------------------*/
| linux-master | drivers/staging/rtl8192u/r8192U_dm.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* This file contains wireless extension handlers.
*
* This is part of rtl8180 OpenSource driver.
* Copyright (C) Andrea Merello 2004-2005 <[email protected]>
*
* Parts of this driver are based on the GPL part
* of the official realtek driver.
*
* Parts of this driver are based on the rtl8180 driver skeleton
* from Patric Schenke & Andres Salomon.
*
* Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver.
*
* We want to thank the Authors of those projects and the Ndiswrapper
* project Authors.
*
*****************************************************************************/
#include <linux/string.h>
#include "r8192U.h"
#include "r8192U_hw.h"
#include "ieee80211/dot11d.h"
#include "r8192U_wx.h"
#define RATE_COUNT 12
static const u32 rtl8180_rates[] = {1000000, 2000000, 5500000, 11000000,
6000000, 9000000, 12000000, 18000000, 24000000, 36000000, 48000000, 54000000};
#ifndef ENETDOWN
#define ENETDOWN 1
#endif
static int r8192_wx_get_freq(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_freq(priv->ieee80211, a, wrqu, b);
}
static int r8192_wx_get_mode(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_mode(priv->ieee80211, a, wrqu, b);
}
static int r8192_wx_get_rate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_rate(priv->ieee80211, info, wrqu, extra);
}
static int r8192_wx_set_rate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rate(priv->ieee80211, info, wrqu, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_rts(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rts(priv->ieee80211, info, wrqu, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_rts(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_rts(priv->ieee80211, info, wrqu, extra);
}
static int r8192_wx_set_power(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_power(priv->ieee80211, info, wrqu, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_power(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_power(priv->ieee80211, info, wrqu, extra);
}
static int r8192_wx_force_reset(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
netdev_dbg(dev, "%s(): force reset ! extra is %d\n", __func__, *extra);
priv->force_reset = *extra;
mutex_unlock(&priv->wx_mutex);
return 0;
}
static int r8192_wx_set_rawtx(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_rawtx(priv->ieee80211, info, wrqu, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_crcmon(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int *parms = (int *)extra;
int enable = (parms[0] > 0);
mutex_lock(&priv->wx_mutex);
if (enable)
priv->crcmon = 1;
else
priv->crcmon = 0;
DMESG("bad CRC in monitor mode are %s",
priv->crcmon ? "accepted" : "rejected");
mutex_unlock(&priv->wx_mutex);
return 0;
}
static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b);
rtl8192_set_rxconf(dev);
mutex_unlock(&priv->wx_mutex);
return ret;
}
struct iw_range_with_scan_capa {
/* Informative stuff (to choose between different interface) */
__u32 throughput; /* To give an idea... */
/* In theory this value should be the maximum benchmarked
* TCP/IP throughput, because with most of these devices the
* bit rate is meaningless (overhead an co) to estimate how
* fast the connection will go and pick the fastest one.
* I suggest people to play with Netperf or any benchmark...
*/
/* NWID (or domain id) */
__u32 min_nwid; /* Minimal NWID we are able to set */
__u32 max_nwid; /* Maximal NWID we are able to set */
/* Old Frequency (backward compat - moved lower ) */
__u16 old_num_channels;
__u8 old_num_frequency;
/* Scan capabilities */
__u8 scan_capa;
};
static int rtl8180_wx_get_range(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_range *range = (struct iw_range *)extra;
struct iw_range_with_scan_capa *tmp = (struct iw_range_with_scan_capa *)range;
struct r8192_priv *priv = ieee80211_priv(dev);
u16 val;
int i;
wrqu->data.length = sizeof(*range);
memset(range, 0, sizeof(*range));
/* Let's try to keep this struct in the same order as in
* linux/include/wireless.h
*/
/* TODO: See what values we can set, and remove the ones we can't
* set, or fill them with some default data.
*/
/* ~5 Mb/s real (802.11b) */
range->throughput = 5 * 1000 * 1000;
/* TODO: Not used in 802.11b? */
/* range->min_nwid; */ /* Minimal NWID we are able to set */
/* TODO: Not used in 802.11b? */
/* range->max_nwid; */ /* Maximal NWID we are able to set */
/* Old Frequency (backward compat - moved lower ) */
/* range->old_num_channels; */
/* range->old_num_frequency; */
/* range->old_freq[6]; */ /* Filler to keep "version" at the same offset */
if (priv->rf_set_sens)
range->sensitivity = priv->max_sens; /* signal level threshold range */
range->max_qual.qual = 100;
/* TODO: Find real max RSSI and stick here */
range->max_qual.level = 0;
range->max_qual.noise = 0x100 - 98;
range->max_qual.updated = 7; /* Updated all three */
range->avg_qual.qual = 92; /* > 8% missed beacons is 'bad' */
/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
range->avg_qual.level = 0x100 - 78;
range->avg_qual.noise = 0;
range->avg_qual.updated = 7; /* Updated all three */
range->num_bitrates = RATE_COUNT;
for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++)
range->bitrate[i] = rtl8180_rates[i];
range->min_frag = MIN_FRAG_THRESHOLD;
range->max_frag = MAX_FRAG_THRESHOLD;
range->min_pmp = 0;
range->max_pmp = 5000000;
range->min_pmt = 0;
range->max_pmt = 65535 * 1000;
range->pmp_flags = IW_POWER_PERIOD;
range->pmt_flags = IW_POWER_TIMEOUT;
range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 16;
/* range->retry_capa; */ /* What retry options are supported */
/* range->retry_flags; */ /* How to decode max/min retry limit */
/* range->r_time_flags; */ /* How to decode max/min retry life */
/* range->min_retry; */ /* Minimal number of retries */
/* range->max_retry; */ /* Maximal number of retries */
/* range->min_r_time; */ /* Minimal retry lifetime */
/* range->max_r_time; */ /* Maximal retry lifetime */
for (i = 0, val = 0; i < 14; i++) {
/* Include only legal frequencies for some countries */
if ((GET_DOT11D_INFO(priv->ieee80211)->channel_map)[i + 1]) {
range->freq[val].i = i + 1;
range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
range->freq[val].e = 1;
val++;
} else {
/* FIXME: do we need to set anything for channels */
/* we don't use ? */
}
if (val == IW_MAX_FREQUENCIES)
break;
}
range->num_frequency = val;
range->num_channels = val;
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
tmp->scan_capa = 0x01;
return 0;
}
static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
int ret = 0;
if (!priv->up)
return -ENETDOWN;
if (priv->ieee80211->LinkDetectInfo.bBusyTraffic)
return -EAGAIN;
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
struct iw_scan_req *req = (struct iw_scan_req *)b;
if (req->essid_len) {
int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
ieee->current_network.ssid_len = len;
memcpy(ieee->current_network.ssid, req->essid, len);
}
}
mutex_lock(&priv->wx_mutex);
if (priv->ieee80211->state != IEEE80211_LINKED) {
priv->ieee80211->scanning = 0;
ieee80211_softmac_scan_syncro(priv->ieee80211);
ret = 0;
} else {
ret = ieee80211_wx_set_scan(priv->ieee80211, a, wrqu, b);
}
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
if (!priv->up)
return -ENETDOWN;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_get_scan(priv->ieee80211, a, wrqu, b);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_essid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_essid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_get_essid(priv->ieee80211, a, wrqu, b);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_freq(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_freq(priv->ieee80211, a, wrqu, b);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_name(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_name(priv->ieee80211, info, wrqu, extra);
}
static int r8192_wx_set_frag(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (wrqu->frag.disabled) {
priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
} else {
if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
wrqu->frag.value > MAX_FRAG_THRESHOLD)
return -EINVAL;
priv->ieee80211->fts = wrqu->frag.value & ~0x1;
}
return 0;
}
static int r8192_wx_get_frag(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
wrqu->frag.value = priv->ieee80211->fts;
wrqu->frag.fixed = 0; /* no auto select */
wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD);
return 0;
}
static int r8192_wx_set_wap(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *awrq,
char *extra)
{
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
/* struct sockaddr *temp = (struct sockaddr *)awrq; */
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_wap(priv->ieee80211, info, awrq, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_get_wap(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_wap(priv->ieee80211, info, wrqu, extra);
}
static int r8192_wx_get_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *key)
{
struct r8192_priv *priv = ieee80211_priv(dev);
return ieee80211_wx_get_encode(priv->ieee80211, info, wrqu, key);
}
static int r8192_wx_set_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *key)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
int ret;
u32 hwkey[4] = {0, 0, 0, 0};
u8 mask = 0xff;
u32 key_idx = 0;
u8 zero_addr[4][6] = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
int i;
if (!priv->up)
return -ENETDOWN;
mutex_lock(&priv->wx_mutex);
RT_TRACE(COMP_SEC, "Setting SW wep key");
ret = ieee80211_wx_set_encode(priv->ieee80211, info, wrqu, key);
mutex_unlock(&priv->wx_mutex);
/* sometimes, the length is zero while we do not type key value */
if (wrqu->encoding.length != 0) {
for (i = 0; i < 4; i++) {
hwkey[i] |= key[4 * i + 0] & mask;
if (i == 1 && (4 * i + 1) == wrqu->encoding.length)
mask = 0x00;
if (i == 3 && (4 * i + 1) == wrqu->encoding.length)
mask = 0x00;
hwkey[i] |= (key[4 * i + 1] & mask) << 8;
hwkey[i] |= (key[4 * i + 2] & mask) << 16;
hwkey[i] |= (key[4 * i + 3] & mask) << 24;
}
#define CONF_WEP40 0x4
#define CONF_WEP104 0x14
switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
case 0:
key_idx = ieee->tx_keyidx;
break;
case 1:
key_idx = 0;
break;
case 2:
key_idx = 1;
break;
case 3:
key_idx = 2;
break;
case 4:
key_idx = 3;
break;
default:
break;
}
if (wrqu->encoding.length == 0x5) {
ieee->pairwise_key_type = KEY_TYPE_WEP40;
EnableHWSecurityConfig8192(dev);
setKey(dev,
key_idx, /* EntryNo */
key_idx, /* KeyIndex */
KEY_TYPE_WEP40, /* KeyType */
zero_addr[key_idx],
0, /* DefaultKey */
hwkey); /* KeyContent */
} else if (wrqu->encoding.length == 0xd) {
ieee->pairwise_key_type = KEY_TYPE_WEP104;
EnableHWSecurityConfig8192(dev);
setKey(dev,
key_idx, /* EntryNo */
key_idx, /* KeyIndex */
KEY_TYPE_WEP104, /* KeyType */
zero_addr[key_idx],
0, /* DefaultKey */
hwkey); /* KeyContent */
} else {
netdev_warn(dev, "wrong type in WEP, not WEP40 and WEP104\n");
}
}
return ret;
}
static int r8192_wx_set_scan_type(struct net_device *dev, struct iw_request_info *aa,
union iwreq_data *wrqu, char *p)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int *parms = (int *)p;
int mode = parms[0];
priv->ieee80211->active_scan = mode;
return 1;
}
static int r8192_wx_set_retry(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int err = 0;
mutex_lock(&priv->wx_mutex);
if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
wrqu->retry.disabled){
err = -EINVAL;
goto exit;
}
if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) {
err = -EINVAL;
goto exit;
}
if (wrqu->retry.value > R8180_MAX_RETRY) {
err = -EINVAL;
goto exit;
}
if (wrqu->retry.flags & IW_RETRY_MAX) {
priv->retry_rts = wrqu->retry.value;
DMESG("Setting retry for RTS/CTS data to %d", wrqu->retry.value);
} else {
priv->retry_data = wrqu->retry.value;
DMESG("Setting retry for non RTS/CTS data to %d", wrqu->retry.value);
}
/* FIXME !
* We might try to write directly the TX config register
* or to restart just the (R)TX process.
* I'm unsure if whole reset is really needed
*/
rtl8192_commit(dev);
exit:
mutex_unlock(&priv->wx_mutex);
return err;
}
static int r8192_wx_get_retry(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
wrqu->retry.disabled = 0; /* can't be disabled */
if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
IW_RETRY_LIFETIME)
return -EINVAL;
if (wrqu->retry.flags & IW_RETRY_MAX) {
wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
wrqu->retry.value = priv->retry_rts;
} else {
wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
wrqu->retry.value = priv->retry_data;
}
return 0;
}
static int r8192_wx_get_sens(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (!priv->rf_set_sens)
return -1; /* we have not this support for this radio */
wrqu->sens.value = priv->sens;
return 0;
}
static int r8192_wx_set_sens(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
short err = 0;
mutex_lock(&priv->wx_mutex);
if (!priv->rf_set_sens) {
err = -1; /* we have not this support for this radio */
goto exit;
}
if (priv->rf_set_sens(dev, wrqu->sens.value) == 0)
priv->sens = wrqu->sens.value;
else
err = -EINVAL;
exit:
mutex_unlock(&priv->wx_mutex);
return err;
}
/* hw security need to reorganized. */
static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
{
u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
u8 zero[6] = {0};
u32 key[4] = {0};
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct iw_point *encoding = &wrqu->encoding;
u8 idx = 0, alg = 0, group = 0;
if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE)
/* none is not allowed to use hwsec WB 2008.07.01 */
goto end_hw_sec;
/* as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4; */
alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP : ext->alg;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx)
idx--;
group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) || (alg == KEY_TYPE_WEP40)) {
if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
alg = KEY_TYPE_WEP104;
ieee->pairwise_key_type = alg;
EnableHWSecurityConfig8192(dev);
}
memcpy((u8 *)key, ext->key, 16); /* we only get 16 bytes key.why? WB 2008.7.1 */
if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
setKey(dev,
idx, /* EntryNao */
idx, /* KeyIndex */
alg, /* KeyType */
zero, /* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
} else if (group) {
ieee->group_key_type = alg;
setKey(dev,
idx, /* EntryNo */
idx, /* KeyIndex */
alg, /* KeyType */
broadcast_addr, /* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
} else { /* pairwise key */
setKey(dev,
4, /* EntryNo */
idx, /* KeyIndex */
alg, /* KeyType */
(u8 *)ieee->ap_mac_addr,/* MacAddr */
0, /* DefaultKey */
key); /* KeyContent */
}
}
end_hw_sec:
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_auth(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *data, char *extra)
{
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_auth(priv->ieee80211, info, &data->param, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_mlme(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int r8192_wx_set_gen_ie(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *data, char *extra)
{
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
mutex_lock(&priv->wx_mutex);
ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
mutex_unlock(&priv->wx_mutex);
return ret;
}
static int dummy(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
return -1;
}
static iw_handler r8192_wx_handlers[] = {
NULL, /* SIOCSIWCOMMIT */
r8192_wx_get_name, /* SIOCGIWNAME */
dummy, /* SIOCSIWNWID */
dummy, /* SIOCGIWNWID */
r8192_wx_set_freq, /* SIOCSIWFREQ */
r8192_wx_get_freq, /* SIOCGIWFREQ */
r8192_wx_set_mode, /* SIOCSIWMODE */
r8192_wx_get_mode, /* SIOCGIWMODE */
r8192_wx_set_sens, /* SIOCSIWSENS */
r8192_wx_get_sens, /* SIOCGIWSENS */
NULL, /* SIOCSIWRANGE */
rtl8180_wx_get_range, /* SIOCGIWRANGE */
NULL, /* SIOCSIWPRIV */
NULL, /* SIOCGIWPRIV */
NULL, /* SIOCSIWSTATS */
NULL, /* SIOCGIWSTATS */
dummy, /* SIOCSIWSPY */
dummy, /* SIOCGIWSPY */
NULL, /* SIOCGIWTHRSPY */
NULL, /* SIOCWIWTHRSPY */
r8192_wx_set_wap, /* SIOCSIWAP */
r8192_wx_get_wap, /* SIOCGIWAP */
r8192_wx_set_mlme, /* MLME-- */
dummy, /* SIOCGIWAPLIST -- deprecated */
r8192_wx_set_scan, /* SIOCSIWSCAN */
r8192_wx_get_scan, /* SIOCGIWSCAN */
r8192_wx_set_essid, /* SIOCSIWESSID */
r8192_wx_get_essid, /* SIOCGIWESSID */
dummy, /* SIOCSIWNICKN */
dummy, /* SIOCGIWNICKN */
NULL, /* -- hole -- */
NULL, /* -- hole -- */
r8192_wx_set_rate, /* SIOCSIWRATE */
r8192_wx_get_rate, /* SIOCGIWRATE */
r8192_wx_set_rts, /* SIOCSIWRTS */
r8192_wx_get_rts, /* SIOCGIWRTS */
r8192_wx_set_frag, /* SIOCSIWFRAG */
r8192_wx_get_frag, /* SIOCGIWFRAG */
dummy, /* SIOCSIWTXPOW */
dummy, /* SIOCGIWTXPOW */
r8192_wx_set_retry, /* SIOCSIWRETRY */
r8192_wx_get_retry, /* SIOCGIWRETRY */
r8192_wx_set_enc, /* SIOCSIWENCODE */
r8192_wx_get_enc, /* SIOCGIWENCODE */
r8192_wx_set_power, /* SIOCSIWPOWER */
r8192_wx_get_power, /* SIOCGIWPOWER */
NULL, /*---hole---*/
NULL, /*---hole---*/
r8192_wx_set_gen_ie, /* NULL, */ /* SIOCSIWGENIE */
NULL, /* SIOCSIWGENIE */
r8192_wx_set_auth,/* NULL, */ /* SIOCSIWAUTH */
NULL,/* r8192_wx_get_auth, */ /* NULL, */ /* SIOCSIWAUTH */
r8192_wx_set_enc_ext, /* SIOCSIWENCODEEXT */
NULL,/* r8192_wx_get_enc_ext, *//* NULL, */ /* SIOCSIWENCODEEXT */
NULL, /* SIOCSIWPMKSA */
NULL, /*---hole---*/
};
static const struct iw_priv_args r8192_private_args[] = {
{
SIOCIWFIRSTPRIV + 0x0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "badcrc"
},
{
SIOCIWFIRSTPRIV + 0x1,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan"
},
{
SIOCIWFIRSTPRIV + 0x2,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
},
{
SIOCIWFIRSTPRIV + 0x3,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
}
};
static iw_handler r8192_private_handler[] = {
r8192_wx_set_crcmon,
r8192_wx_set_scan_type,
r8192_wx_set_rawtx,
r8192_wx_force_reset,
};
struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct iw_statistics *wstats = &priv->wstats;
int tmp_level = 0;
int tmp_qual = 0;
int tmp_noise = 0;
if (ieee->state < IEEE80211_LINKED) {
wstats->qual.qual = 0;
wstats->qual.level = 0;
wstats->qual.noise = 0;
wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
return wstats;
}
tmp_level = (&ieee->current_network)->stats.rssi;
tmp_qual = (&ieee->current_network)->stats.signal;
tmp_noise = (&ieee->current_network)->stats.noise;
wstats->qual.level = tmp_level;
wstats->qual.qual = tmp_qual;
wstats->qual.noise = tmp_noise;
wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
return wstats;
}
const struct iw_handler_def r8192_wx_handlers_def = {
.standard = r8192_wx_handlers,
.num_standard = ARRAY_SIZE(r8192_wx_handlers),
.private = r8192_private_handler,
.num_private = ARRAY_SIZE(r8192_private_handler),
.num_private_args = sizeof(r8192_private_args) / sizeof(struct iw_priv_args),
.get_wireless_stats = r8192_get_wireless_stats,
.private_args = (struct iw_priv_args *)r8192_private_args,
};
| linux-master | drivers/staging/rtl8192u/r8192U_wx.c |
// SPDX-License-Identifier: GPL-2.0
/*
* This files contains card eeprom (93c46 or 93c56) programming routines,
* memory is addressed by 16 bits words.
*
* This is part of rtl8180 OpenSource driver.
* Copyright (C) Andrea Merello 2004 <[email protected]>
*
* Parts of this driver are based on the GPL part of the
* official realtek driver.
*
* Parts of this driver are based on the rtl8180 driver skeleton
* from Patric Schenke & Andres Salomon.
*
* Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver.
*
* We want to thank the Authors of those projects and the Ndiswrapper
* project Authors.
*/
#include "r8180_93cx6.h"
static void eprom_cs(struct net_device *dev, short bit)
{
u8 cmdreg;
int err;
err = read_nic_byte_E(dev, EPROM_CMD, &cmdreg);
if (err)
return;
if (bit)
/* enable EPROM */
write_nic_byte_E(dev, EPROM_CMD, cmdreg | EPROM_CS_BIT);
else
/* disable EPROM */
write_nic_byte_E(dev, EPROM_CMD, cmdreg & ~EPROM_CS_BIT);
force_pci_posting(dev);
udelay(EPROM_DELAY);
}
static void eprom_ck_cycle(struct net_device *dev)
{
u8 cmdreg;
int err;
err = read_nic_byte_E(dev, EPROM_CMD, &cmdreg);
if (err)
return;
write_nic_byte_E(dev, EPROM_CMD, cmdreg | EPROM_CK_BIT);
force_pci_posting(dev);
udelay(EPROM_DELAY);
read_nic_byte_E(dev, EPROM_CMD, &cmdreg);
write_nic_byte_E(dev, EPROM_CMD, cmdreg & ~EPROM_CK_BIT);
force_pci_posting(dev);
udelay(EPROM_DELAY);
}
static void eprom_w(struct net_device *dev, short bit)
{
u8 cmdreg;
int err;
err = read_nic_byte_E(dev, EPROM_CMD, &cmdreg);
if (err)
return;
if (bit)
write_nic_byte_E(dev, EPROM_CMD, cmdreg | EPROM_W_BIT);
else
write_nic_byte_E(dev, EPROM_CMD, cmdreg & ~EPROM_W_BIT);
force_pci_posting(dev);
udelay(EPROM_DELAY);
}
static short eprom_r(struct net_device *dev)
{
u8 bit;
int err;
err = read_nic_byte_E(dev, EPROM_CMD, &bit);
if (err)
return err;
udelay(EPROM_DELAY);
if (bit & EPROM_R_BIT)
return 1;
return 0;
}
static void eprom_send_bits_string(struct net_device *dev, short b[], int len)
{
int i;
for (i = 0; i < len; i++) {
eprom_w(dev, b[i]);
eprom_ck_cycle(dev);
}
}
int eprom_read(struct net_device *dev, u32 addr)
{
struct r8192_priv *priv = ieee80211_priv(dev);
short read_cmd[] = {1, 1, 0};
short addr_str[8];
int i;
int addr_len;
u32 ret;
int err;
ret = 0;
/* enable EPROM programming */
write_nic_byte_E(dev, EPROM_CMD,
(EPROM_CMD_PROGRAM << EPROM_CMD_OPERATING_MODE_SHIFT));
force_pci_posting(dev);
udelay(EPROM_DELAY);
if (priv->epromtype == EPROM_93c56) {
addr_str[7] = addr & 1;
addr_str[6] = addr & BIT(1);
addr_str[5] = addr & BIT(2);
addr_str[4] = addr & BIT(3);
addr_str[3] = addr & BIT(4);
addr_str[2] = addr & BIT(5);
addr_str[1] = addr & BIT(6);
addr_str[0] = addr & BIT(7);
addr_len = 8;
} else {
addr_str[5] = addr & 1;
addr_str[4] = addr & BIT(1);
addr_str[3] = addr & BIT(2);
addr_str[2] = addr & BIT(3);
addr_str[1] = addr & BIT(4);
addr_str[0] = addr & BIT(5);
addr_len = 6;
}
eprom_cs(dev, 1);
eprom_ck_cycle(dev);
eprom_send_bits_string(dev, read_cmd, 3);
eprom_send_bits_string(dev, addr_str, addr_len);
/*
* keep chip pin D to low state while reading.
* I'm unsure if it is necessary, but anyway shouldn't hurt
*/
eprom_w(dev, 0);
for (i = 0; i < 16; i++) {
/* eeprom needs a clk cycle between writing opcode&adr
* and reading data. (eeprom outs a dummy 0)
*/
eprom_ck_cycle(dev);
err = eprom_r(dev);
if (err < 0)
return err;
ret |= err << (15 - i);
}
eprom_cs(dev, 0);
eprom_ck_cycle(dev);
/* disable EPROM programming */
write_nic_byte_E(dev, EPROM_CMD,
(EPROM_CMD_NORMAL << EPROM_CMD_OPERATING_MODE_SHIFT));
return ret;
}
| linux-master | drivers/staging/rtl8192u/r8180_93cx6.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2003 - 2004 Intel Corporation. All rights reserved.
*
* Contact Information:
* James P. Ketrenos <[email protected]>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*
* Few modifications for Realtek's Wi-Fi drivers by
* Andrea Merello <[email protected]>
*
* A special thanks goes to Realtek for their support !
*
******************************************************************************/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/if_arp.h>
#include <linux/in6.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <linux/uaccess.h>
#include <linux/if_vlan.h>
#include "ieee80211.h"
/*
*
*
* 802.11 Data Frame
*
*
* 802.11 frame_contorl for data frames - 2 bytes
* ,-----------------------------------------------------------------------------------------.
* bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | a | b | c | d | e |
* |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------|
* val | 0 | 0 | 0 | 1 | x | 0 | 0 | 0 | 1 | 0 | x | x | x | x | x |
* |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------|
* desc | ^-ver-^ | ^type-^ | ^-----subtype-----^ | to |from |more |retry| pwr |more |wep |
* | | | x=0 data,x=1 data+ack | DS | DS |frag | | mgm |data | |
* '-----------------------------------------------------------------------------------------'
* /\
* |
* 802.11 Data Frame |
* ,--------- 'ctrl' expands to >-----------'
* |
* ,--'---,-------------------------------------------------------------.
* Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
* |------|------|---------|---------|---------|------|---------|------|
* Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | Frame | fcs |
* | | tion | (BSSID) | | | ence | data | |
* `--------------------------------------------------| |------'
* Total: 28 non-data bytes `----.----'
* |
* .- 'Frame data' expands to <---------------------------'
* |
* V
* ,---------------------------------------------------.
* Bytes | 1 | 1 | 1 | 3 | 2 | 0-2304 |
* |------|------|---------|----------|------|---------|
* Desc. | SNAP | SNAP | Control |Eth Tunnel| Type | IP |
* | DSAP | SSAP | | | | Packet |
* | 0xAA | 0xAA |0x03 (UI)|0x00-00-F8| | |
* `-----------------------------------------| |
* Total: 8 non-data bytes `----.----'
* |
* .- 'IP Packet' expands, if WEP enabled, to <--'
* |
* V
* ,-----------------------.
* Bytes | 4 | 0-2296 | 4 |
* |-----|-----------|-----|
* Desc. | IV | Encrypted | ICV |
* | | IP Packet | |
* `-----------------------'
* Total: 8 non-data bytes
*
*
* 802.3 Ethernet Data Frame
*
* ,-----------------------------------------.
* Bytes | 6 | 6 | 2 | Variable | 4 |
* |-------|-------|------|-----------|------|
* Desc. | Dest. | Source| Type | IP Packet | fcs |
* | MAC | MAC | | | |
* `-----------------------------------------'
* Total: 18 non-data bytes
*
* In the event that fragmentation is required, the incoming payload is split into
* N parts of size ieee->fts. The first fragment contains the SNAP header and the
* remaining packets are just data.
*
* If encryption is enabled, each fragment payload size is reduced by enough space
* to add the prefix and postfix (IV and ICV totalling 8 bytes in the case of WEP)
* So if you have 1500 bytes of payload with ieee->fts set to 500 without
* encryption it will take 3 frames. With WEP it will take 4 frames as the
* payload of each frame is reduced to 492 bytes.
*
* SKB visualization
*
* ,- skb->data
* |
* | ETHERNET HEADER ,-<-- PAYLOAD
* | | 14 bytes from skb->data
* | 2 bytes for Type --> ,T. | (sizeof ethhdr)
* | | | |
* |,-Dest.--. ,--Src.---. | | |
* | 6 bytes| | 6 bytes | | | |
* v | | | | | |
* 0 | v 1 | v | v 2
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
* ^ | ^ | ^ |
* | | | | | |
* | | | | `T' <---- 2 bytes for Type
* | | | |
* | | '---SNAP--' <-------- 6 bytes for SNAP
* | |
* `-IV--' <-------------------- 4 bytes for IV (WEP)
*
* SNAP HEADER
*
*/
static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
static inline int ieee80211_put_snap(u8 *data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
u8 *oui;
snap = (struct ieee80211_snap_hdr *)data;
snap->dsap = 0xaa;
snap->ssap = 0xaa;
snap->ctrl = 0x03;
if (h_proto == 0x8137 || h_proto == 0x80f3)
oui = P802_1H_OUI;
else
oui = RFC1042_OUI;
snap->oui[0] = oui[0];
snap->oui[1] = oui[1];
snap->oui[2] = oui[2];
*(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
return SNAP_SIZE + sizeof(u16);
}
int ieee80211_encrypt_fragment(
struct ieee80211_device *ieee,
struct sk_buff *frag,
int hdr_len)
{
struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];
int res;
if (!(crypt && crypt->ops)) {
printk("=========>%s(), crypt is null\n", __func__);
return -1;
}
if (ieee->tkip_countermeasures &&
crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
if (net_ratelimit()) {
struct rtl_80211_hdr_3addrqos *header;
header = (struct rtl_80211_hdr_3addrqos *)frag->data;
netdev_dbg(ieee->dev, "TKIP countermeasures: dropped "
"TX packet to %pM\n", header->addr1);
}
return -1;
}
/* To encrypt, frame format is:
* IV (4 bytes), clear payload (including SNAP), ICV (4 bytes)
*/
// PR: FIXME: Copied from hostap. Check fragmentation/MSDU/MPDU encryption.
/* Host-based IEEE 802.11 fragmentation for TX is not yet supported, so
* call both MSDU and MPDU encryption functions from here.
*/
atomic_inc(&crypt->refcnt);
res = 0;
if (crypt->ops->encrypt_msdu)
res = crypt->ops->encrypt_msdu(frag, hdr_len, crypt->priv);
if (res == 0 && crypt->ops->encrypt_mpdu)
res = crypt->ops->encrypt_mpdu(frag, hdr_len, crypt->priv);
atomic_dec(&crypt->refcnt);
if (res < 0) {
netdev_info(ieee->dev, "Encryption failed: len=%d.\n",
frag->len);
ieee->ieee_stats.tx_discards++;
return -1;
}
return 0;
}
void ieee80211_txb_free(struct ieee80211_txb *txb)
{
//int i;
if (unlikely(!txb))
return;
kfree(txb);
}
EXPORT_SYMBOL(ieee80211_txb_free);
static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
gfp_t gfp_mask)
{
struct ieee80211_txb *txb;
int i;
txb = kmalloc(
sizeof(struct ieee80211_txb) + (sizeof(u8 *) * nr_frags),
gfp_mask);
if (!txb)
return NULL;
memset(txb, 0, sizeof(struct ieee80211_txb));
txb->nr_frags = nr_frags;
txb->frag_size = __cpu_to_le16(txb_size);
for (i = 0; i < nr_frags; i++) {
txb->fragments[i] = dev_alloc_skb(txb_size);
if (unlikely(!txb->fragments[i])) {
i--;
break;
}
memset(txb->fragments[i]->cb, 0, sizeof(txb->fragments[i]->cb));
}
if (unlikely(i != nr_frags)) {
while (i >= 0)
dev_kfree_skb_any(txb->fragments[i--]);
kfree(txb);
return NULL;
}
return txb;
}
// Classify the to-be send data packet
// Need to acquire the sent queue index.
static int
ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network)
{
struct ethhdr *eth;
struct iphdr *ip;
eth = (struct ethhdr *)skb->data;
if (eth->h_proto != htons(ETH_P_IP))
return 0;
ip = ip_hdr(skb);
switch (ip->tos & 0xfc) {
case 0x20:
return 2;
case 0x40:
return 1;
case 0x60:
return 3;
case 0x80:
return 4;
case 0xa0:
return 5;
case 0xc0:
return 6;
case 0xe0:
return 7;
default:
return 0;
}
}
static void ieee80211_tx_query_agg_cap(struct ieee80211_device *ieee,
struct sk_buff *skb, struct cb_desc *tcb_desc)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
struct tx_ts_record *pTxTs = NULL;
struct rtl_80211_hdr_1addr *hdr = (struct rtl_80211_hdr_1addr *)skb->data;
if (!pHTInfo->bCurrentHTSupport || !pHTInfo->bEnableHT)
return;
if (!IsQoSDataFrame(skb->data))
return;
if (is_multicast_ether_addr(hdr->addr1))
return;
//check packet and mode later
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
return;
if (pHTInfo->bCurrentAMPDUEnable) {
if (!GetTs(ieee, (struct ts_common_info **)(&pTxTs), hdr->addr1, skb->priority, TX_DIR, true)) {
printk("===>can't get TS\n");
return;
}
if (!pTxTs->tx_admitted_ba_record.valid) {
TsStartAddBaProcess(ieee, pTxTs);
goto FORCED_AGG_SETTING;
} else if (!pTxTs->using_ba) {
if (SN_LESS(pTxTs->tx_admitted_ba_record.start_seq_ctrl.field.seq_num, (pTxTs->tx_cur_seq + 1) % 4096))
pTxTs->using_ba = true;
else
goto FORCED_AGG_SETTING;
}
if (ieee->iw_mode == IW_MODE_INFRA) {
tcb_desc->bAMPDUEnable = true;
tcb_desc->ampdu_factor = pHTInfo->CurrentAMPDUFactor;
tcb_desc->ampdu_density = pHTInfo->CurrentMPDUDensity;
}
}
FORCED_AGG_SETTING:
switch (pHTInfo->ForcedAMPDUMode) {
case HT_AGG_AUTO:
break;
case HT_AGG_FORCE_ENABLE:
tcb_desc->bAMPDUEnable = true;
tcb_desc->ampdu_density = pHTInfo->ForcedMPDUDensity;
tcb_desc->ampdu_factor = pHTInfo->ForcedAMPDUFactor;
break;
case HT_AGG_FORCE_DISABLE:
tcb_desc->bAMPDUEnable = false;
tcb_desc->ampdu_density = 0;
tcb_desc->ampdu_factor = 0;
break;
}
return;
}
static void ieee80211_qurey_ShortPreambleMode(struct ieee80211_device *ieee,
struct cb_desc *tcb_desc)
{
tcb_desc->bUseShortPreamble = false;
if (tcb_desc->data_rate == 2) {//// 1M can only use Long Preamble. 11B spec
return;
} else if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
tcb_desc->bUseShortPreamble = true;
}
return;
}
static void
ieee80211_query_HTCapShortGI(struct ieee80211_device *ieee, struct cb_desc *tcb_desc)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
tcb_desc->bUseShortGI = false;
if (!pHTInfo->bCurrentHTSupport || !pHTInfo->bEnableHT)
return;
if (pHTInfo->bForcedShortGI) {
tcb_desc->bUseShortGI = true;
return;
}
if (pHTInfo->bCurBW40MHz && pHTInfo->bCurShortGI40MHz)
tcb_desc->bUseShortGI = true;
else if (!pHTInfo->bCurBW40MHz && pHTInfo->bCurShortGI20MHz)
tcb_desc->bUseShortGI = true;
}
static void ieee80211_query_BandwidthMode(struct ieee80211_device *ieee,
struct cb_desc *tcb_desc)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
tcb_desc->bPacketBW = false;
if (!pHTInfo->bCurrentHTSupport || !pHTInfo->bEnableHT)
return;
if (tcb_desc->bMulticast || tcb_desc->bBroadcast)
return;
if ((tcb_desc->data_rate & 0x80) == 0) // If using legacy rate, it shall use 20MHz channel.
return;
//BandWidthAutoSwitch is for auto switch to 20 or 40 in long distance
if (pHTInfo->bCurBW40MHz && pHTInfo->bCurTxBW40MHz && !ieee->bandwidth_auto_switch.bforced_tx20Mhz)
tcb_desc->bPacketBW = true;
return;
}
static void ieee80211_query_protectionmode(struct ieee80211_device *ieee,
struct cb_desc *tcb_desc,
struct sk_buff *skb)
{
// Common Settings
tcb_desc->bRTSSTBC = false;
tcb_desc->bRTSUseShortGI = false; // Since protection frames are always sent by legacy rate, ShortGI will never be used.
tcb_desc->bCTSEnable = false; // Most of protection using RTS/CTS
tcb_desc->RTSSC = 0; // 20MHz: Don't care; 40MHz: Duplicate.
tcb_desc->bRTSBW = false; // RTS frame bandwidth is always 20MHz
if (tcb_desc->bBroadcast || tcb_desc->bMulticast) //only unicast frame will use rts/cts
return;
if (is_broadcast_ether_addr(skb->data + 16)) //check addr3 as infrastructure add3 is DA.
return;
if (ieee->mode < IEEE_N_24G) /* b, g mode */ {
// (1) RTS_Threshold is compared to the MPDU, not MSDU.
// (2) If there are more than one frag in this MSDU, only the first frag uses protection frame.
// Other fragments are protected by previous fragment.
// So we only need to check the length of first fragment.
if (skb->len > ieee->rts) {
tcb_desc->bRTSEnable = true;
tcb_desc->rts_rate = MGN_24M;
} else if (ieee->current_network.buseprotection) {
// Use CTS-to-SELF in protection mode.
tcb_desc->bRTSEnable = true;
tcb_desc->bCTSEnable = true;
tcb_desc->rts_rate = MGN_24M;
}
//otherwise return;
return;
} else { // 11n High throughput case.
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
while (true) {
//check ERP protection
if (ieee->current_network.buseprotection) {// CTS-to-SELF
tcb_desc->bRTSEnable = true;
tcb_desc->bCTSEnable = true;
tcb_desc->rts_rate = MGN_24M;
break;
}
//check HT op mode
if (pHTInfo->bCurrentHTSupport && pHTInfo->bEnableHT) {
u8 HTOpMode = pHTInfo->CurrentOpMode;
if ((pHTInfo->bCurBW40MHz && (HTOpMode == 2 || HTOpMode == 3)) ||
(!pHTInfo->bCurBW40MHz && HTOpMode == 3)) {
tcb_desc->rts_rate = MGN_24M; // Rate is 24Mbps.
tcb_desc->bRTSEnable = true;
break;
}
}
//check rts
if (skb->len > ieee->rts) {
tcb_desc->rts_rate = MGN_24M; // Rate is 24Mbps.
tcb_desc->bRTSEnable = true;
break;
}
//to do list: check MIMO power save condition.
//check AMPDU aggregation for TXOP
if (tcb_desc->bAMPDUEnable) {
tcb_desc->rts_rate = MGN_24M; // Rate is 24Mbps.
// According to 8190 design, firmware sends CF-End only if RTS/CTS is enabled. However, it degrads
// throughput around 10M, so we disable of this mechanism. 2007.08.03 by Emily
tcb_desc->bRTSEnable = false;
break;
}
//check IOT action
if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) {
tcb_desc->bCTSEnable = true;
tcb_desc->rts_rate = MGN_24M;
tcb_desc->bRTSEnable = true;
break;
}
// Totally no protection case!!
goto NO_PROTECTION;
}
}
// For test , CTS replace with RTS
if (0) {
tcb_desc->bCTSEnable = true;
tcb_desc->rts_rate = MGN_24M;
tcb_desc->bRTSEnable = true;
}
if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
tcb_desc->bUseShortPreamble = true;
if (ieee->mode == IW_MODE_MASTER)
goto NO_PROTECTION;
return;
NO_PROTECTION:
tcb_desc->bRTSEnable = false;
tcb_desc->bCTSEnable = false;
tcb_desc->rts_rate = 0;
tcb_desc->RTSSC = 0;
tcb_desc->bRTSBW = false;
}
static void ieee80211_txrate_selectmode(struct ieee80211_device *ieee,
struct cb_desc *tcb_desc)
{
if (ieee->bTxDisableRateFallBack)
tcb_desc->bTxDisableRateFallBack = true;
if (ieee->bTxUseDriverAssingedRate)
tcb_desc->bTxUseDriverAssingedRate = true;
if (!tcb_desc->bTxDisableRateFallBack || !tcb_desc->bTxUseDriverAssingedRate) {
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
tcb_desc->RATRIndex = 0;
}
}
static void ieee80211_query_seqnum(struct ieee80211_device *ieee,
struct sk_buff *skb, u8 *dst)
{
if (is_multicast_ether_addr(dst))
return;
if (IsQoSDataFrame(skb->data)) /* we deal qos data only */ {
struct tx_ts_record *pTS = NULL;
if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst, skb->priority, TX_DIR, true)) {
return;
}
pTS->tx_cur_seq = (pTS->tx_cur_seq + 1) % 4096;
}
}
netdev_tx_t ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
struct ieee80211_txb *txb = NULL;
struct rtl_80211_hdr_3addrqos *frag_hdr;
int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size;
unsigned long flags;
struct net_device_stats *stats = &ieee->stats;
int ether_type = 0, encrypt;
int bytes, fc, qos_ctl = 0, hdr_len;
struct sk_buff *skb_frag;
struct rtl_80211_hdr_3addrqos header = { /* Ensure zero initialized */
.duration_id = 0,
.seq_ctl = 0,
.qos_ctl = 0
};
u8 dest[ETH_ALEN], src[ETH_ALEN];
int qos_actived = ieee->current_network.qos_data.active;
struct ieee80211_crypt_data *crypt;
struct cb_desc *tcb_desc;
spin_lock_irqsave(&ieee->lock, flags);
/* If there is no driver handler to take the TXB, dont' bother
* creating it...
*/
if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)) ||
((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) {
netdev_warn(ieee->dev, "No xmit handler.\n");
goto success;
}
if (likely(ieee->raw_tx == 0)) {
if (unlikely(skb->len < SNAP_SIZE + sizeof(u16))) {
netdev_warn(ieee->dev, "skb too small (%d).\n",
skb->len);
goto success;
}
memset(skb->cb, 0, sizeof(skb->cb));
ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto);
crypt = ieee->crypt[ieee->tx_keyidx];
encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) &&
ieee->host_encrypt && crypt && crypt->ops;
if (!encrypt && ieee->ieee802_1x &&
ieee->drop_unencrypted && ether_type != ETH_P_PAE) {
stats->tx_dropped++;
goto success;
}
#ifdef CONFIG_IEEE80211_DEBUG
if (crypt && !encrypt && ether_type == ETH_P_PAE) {
struct eapol *eap = (struct eapol *)(skb->data +
sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16));
IEEE80211_DEBUG_EAP("TX: IEEE 802.11 EAPOL frame: %s\n",
eap_get_type(eap->type));
}
#endif
/* Save source and destination addresses */
memcpy(&dest, skb->data, ETH_ALEN);
memcpy(&src, skb->data + ETH_ALEN, ETH_ALEN);
/* Advance the SKB to the start of the payload */
skb_pull(skb, sizeof(struct ethhdr));
/* Determine total amount of storage required for TXB packets */
bytes = skb->len + SNAP_SIZE + sizeof(u16);
if (encrypt)
fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_WEP;
else
fc = IEEE80211_FTYPE_DATA;
//if(ieee->current_network.QoS_Enable)
if (qos_actived)
fc |= IEEE80211_STYPE_QOS_DATA;
else
fc |= IEEE80211_STYPE_DATA;
if (ieee->iw_mode == IW_MODE_INFRA) {
fc |= IEEE80211_FCTL_TODS;
/* To DS: Addr1 = BSSID, Addr2 = SA,
* Addr3 = DA
*/
memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN);
memcpy(&header.addr2, &src, ETH_ALEN);
memcpy(&header.addr3, &dest, ETH_ALEN);
} else if (ieee->iw_mode == IW_MODE_ADHOC) {
/* not From/To DS: Addr1 = DA, Addr2 = SA,
* Addr3 = BSSID
*/
memcpy(&header.addr1, dest, ETH_ALEN);
memcpy(&header.addr2, src, ETH_ALEN);
memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN);
}
header.frame_ctl = cpu_to_le16(fc);
/* Determine fragmentation size based on destination (multicast
* and broadcast are not fragmented)
*/
if (is_multicast_ether_addr(header.addr1)) {
frag_size = MAX_FRAG_THRESHOLD;
qos_ctl |= QOS_CTL_NOTCONTAIN_ACK;
} else {
frag_size = ieee->fts;//default:392
qos_ctl = 0;
}
//if (ieee->current_network.QoS_Enable)
if (qos_actived) {
hdr_len = IEEE80211_3ADDR_LEN + 2;
skb->priority = ieee80211_classify(skb, &ieee->current_network);
qos_ctl |= skb->priority; //set in the ieee80211_classify
header.qos_ctl = cpu_to_le16(qos_ctl & IEEE80211_QOS_TID);
} else {
hdr_len = IEEE80211_3ADDR_LEN;
}
/* Determine amount of payload per fragment. Regardless of if
* this stack is providing the full 802.11 header, one will
* eventually be affixed to this fragment -- so we must account for
* it when determining the amount of payload space.
*/
bytes_per_frag = frag_size - hdr_len;
if (ieee->config &
(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
bytes_per_frag -= IEEE80211_FCS_LEN;
/* Each fragment may need to have room for encryption pre/postfix */
if (encrypt)
bytes_per_frag -= crypt->ops->extra_prefix_len +
crypt->ops->extra_postfix_len;
/* Number of fragments is the total bytes_per_frag /
* payload_per_fragment
*/
nr_frags = bytes / bytes_per_frag;
bytes_last_frag = bytes % bytes_per_frag;
if (bytes_last_frag)
nr_frags++;
else
bytes_last_frag = bytes_per_frag;
/* When we allocate the TXB we allocate enough space for the reserve
* and full fragment bytes (bytes_per_frag doesn't include prefix,
* postfix, header, FCS, etc.)
*/
txb = ieee80211_alloc_txb(nr_frags, frag_size + ieee->tx_headroom, GFP_ATOMIC);
if (unlikely(!txb)) {
netdev_warn(ieee->dev, "Could not allocate TXB\n");
goto failed;
}
txb->encrypted = encrypt;
txb->payload_size = __cpu_to_le16(bytes);
//if (ieee->current_network.QoS_Enable)
if (qos_actived)
txb->queue_index = UP2AC(skb->priority);
else
txb->queue_index = WME_AC_BK;
for (i = 0; i < nr_frags; i++) {
skb_frag = txb->fragments[i];
tcb_desc = (struct cb_desc *)(skb_frag->cb + MAX_DEV_ADDR_SIZE);
if (qos_actived) {
skb_frag->priority = skb->priority;//UP2AC(skb->priority);
tcb_desc->queue_index = UP2AC(skb->priority);
} else {
skb_frag->priority = WME_AC_BK;
tcb_desc->queue_index = WME_AC_BK;
}
skb_reserve(skb_frag, ieee->tx_headroom);
if (encrypt) {
if (ieee->hwsec_active)
tcb_desc->bHwSec = 1;
else
tcb_desc->bHwSec = 0;
skb_reserve(skb_frag, crypt->ops->extra_prefix_len);
} else {
tcb_desc->bHwSec = 0;
}
frag_hdr = skb_put_data(skb_frag, &header, hdr_len);
/* If this is not the last fragment, then add the MOREFRAGS
* bit to the frame control
*/
if (i != nr_frags - 1) {
frag_hdr->frame_ctl = cpu_to_le16(
fc | IEEE80211_FCTL_MOREFRAGS);
bytes = bytes_per_frag;
} else {
/* The last fragment takes the remaining length */
bytes = bytes_last_frag;
}
//if(ieee->current_network.QoS_Enable)
if (qos_actived) {
// add 1 only indicate to corresponding seq number control 2006/7/12
frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[UP2AC(skb->priority) + 1] << 4 | i);
} else {
frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4 | i);
}
/* Put a SNAP header on the first fragment */
if (i == 0) {
ieee80211_put_snap(
skb_put(skb_frag, SNAP_SIZE + sizeof(u16)),
ether_type);
bytes -= SNAP_SIZE + sizeof(u16);
}
skb_put_data(skb_frag, skb->data, bytes);
/* Advance the SKB... */
skb_pull(skb, bytes);
/* Encryption routine will move the header forward in order
* to insert the IV between the header and the payload
*/
if (encrypt)
ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
if (ieee->config &
(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
skb_put(skb_frag, 4);
}
if (qos_actived) {
if (ieee->seq_ctrl[UP2AC(skb->priority) + 1] == 0xFFF)
ieee->seq_ctrl[UP2AC(skb->priority) + 1] = 0;
else
ieee->seq_ctrl[UP2AC(skb->priority) + 1]++;
} else {
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
}
} else {
if (unlikely(skb->len < sizeof(struct rtl_80211_hdr_3addr))) {
netdev_warn(ieee->dev, "skb too small (%d).\n",
skb->len);
goto success;
}
txb = ieee80211_alloc_txb(1, skb->len, GFP_ATOMIC);
if (!txb) {
netdev_warn(ieee->dev, "Could not allocate TXB\n");
goto failed;
}
txb->encrypted = 0;
txb->payload_size = __cpu_to_le16(skb->len);
skb_put_data(txb->fragments[0], skb->data, skb->len);
}
success:
//WB add to fill data tcb_desc here. only first fragment is considered, need to change, and you may remove to other place.
if (txb) {
tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->bTxEnableFwCalcDur = 1;
if (is_multicast_ether_addr(header.addr1))
tcb_desc->bMulticast = 1;
if (is_broadcast_ether_addr(header.addr1))
tcb_desc->bBroadcast = 1;
ieee80211_txrate_selectmode(ieee, tcb_desc);
if (tcb_desc->bMulticast || tcb_desc->bBroadcast)
tcb_desc->data_rate = ieee->basic_rate;
else
tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate);
ieee80211_qurey_ShortPreambleMode(ieee, tcb_desc);
ieee80211_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc);
ieee80211_query_HTCapShortGI(ieee, tcb_desc);
ieee80211_query_BandwidthMode(ieee, tcb_desc);
ieee80211_query_protectionmode(ieee, tcb_desc, txb->fragments[0]);
ieee80211_query_seqnum(ieee, txb->fragments[0], header.addr1);
}
spin_unlock_irqrestore(&ieee->lock, flags);
dev_kfree_skb_any(skb);
if (txb) {
if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) {
ieee80211_softmac_xmit(txb, ieee);
} else {
if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
stats->tx_packets++;
stats->tx_bytes += __le16_to_cpu(txb->payload_size);
return NETDEV_TX_OK;
}
ieee80211_txb_free(txb);
}
}
return NETDEV_TX_OK;
failed:
spin_unlock_irqrestore(&ieee->lock, flags);
netif_stop_queue(dev);
stats->tx_errors++;
return 1;
}
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c |
// SPDX-License-Identifier: GPL-2.0
/*
* As this function is mainly ported from Windows driver, so leave the name
* little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
*/
#include "ieee80211.h"
u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
u16 MCS_DATA_RATE[2][2][77] = {
{ {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 260,
39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz
{14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz
{ {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz
{30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz
};
static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008
static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
//static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
/*
* 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we
* put the code in other place??
* static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
*/
/*
*function: This function update default settings in pHTInfo structure
* input: PRT_HIGH_THROUGHPUT pHTInfo
* output: none
* return: none
* notice: These value need be modified if any changes.
*/
void HTUpdateDefaultSetting(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
//const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo;
//printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo));
//printk("===>ieee:%p,\n", ieee);
// ShortGI support
pHTInfo->bRegShortGI20MHz = 1;
pHTInfo->bRegShortGI40MHz = 1;
// 40MHz channel support
pHTInfo->bRegBW40MHz = 1;
// CCK rate support in 40MHz channel
if (pHTInfo->bRegBW40MHz)
pHTInfo->bRegSuppCCK = 1;
else
pHTInfo->bRegSuppCCK = true;
// AMSDU related
pHTInfo->nAMSDU_MaxSize = 7935UL;
pHTInfo->bAMSDU_Support = 0;
// AMPDU related
pHTInfo->bAMPDUEnable = 1;
pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
// MIMO Power Save
pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
if (pHTInfo->SelfMimoPs == 2)
pHTInfo->SelfMimoPs = 3;
// 8190 only. Assign rate operation mode to firmware
ieee->bTxDisableRateFallBack = 0;
ieee->bTxUseDriverAssingedRate = 0;
/*
* 8190 only, Realtek proprietary aggregation mode
* Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
*/
pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
// For Rx Reorder Control
pHTInfo->bRegRxReorderEnable = 1;
pHTInfo->RxReorderWinSize = 64;
pHTInfo->RxReorderPendingTime = 30;
#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
pHTInfo->UsbTxAggrNum = 4;
#endif
#ifdef USB_RX_AGGREGATION_SUPPORT
pHTInfo->UsbRxFwAggrEn = 1;
pHTInfo->UsbRxFwAggrPageNum = 24;
pHTInfo->UsbRxFwAggrPacketNum = 8;
pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
#endif
}
/*
*function: This function print out each field on HT capability
* IE mainly from (Beacon/ProbeRsp/AssocReq)
* input: u8* CapIE //Capability IE to be printed out
* u8* TitleString //mainly print out caller function
* output: none
* return: none
* notice: Driver should not print out this message by default.
*/
void HTDebugHTCapability(u8 *CapIE, u8 *TitleString)
{
static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
struct ht_capability_ele *pCapELE;
if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) {
//EWC IE
IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __func__);
pCapELE = (struct ht_capability_ele *)(&CapIE[4]);
} else {
pCapELE = (struct ht_capability_ele *)(&CapIE[0]);
}
IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString);
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz) ? "YES" : "NO");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz) ? "YES" : "NO");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC) ? "YES" : "NO");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize) ? "3839" : "7935");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk) ? "YES" : "NO");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
}
/*
*function: This function print out each field on HT Information
* IE mainly from (Beacon/ProbeRsp)
* input: u8* InfoIE //Capability IE to be printed out
* u8* TitleString //mainly print out caller function
* output: none
* return: none
* notice: Driver should not print out this message by default.
*/
void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
{
static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
PHT_INFORMATION_ELE pHTInfoEle;
if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) {
// Not EWC IE
IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __func__);
pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
} else {
pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
}
IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSecondary channel =");
switch (pHTInfoEle->ExtChlOffset) {
case 0:
IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
break;
case 1:
IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
break;
case 2:
IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
break;
case 3:
IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
break;
}
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz");
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
switch (pHTInfoEle->OptMode) {
case 0:
IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
break;
case 1:
IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
break;
case 2:
IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
break;
case 3:
IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
break;
}
IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
}
static u16 HTMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
}
/*
*function: This function returns current datarate.
* input: struct ieee80211_device* ieee
* u8 nDataRate
* output: none
* return: tx rate
* notice: quite unsure about how to use this function //wb
*/
u16 TxCountToDataRate(struct ieee80211_device *ieee, u8 nDataRate)
{
//PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c};
u8 is40MHz = 0;
u8 isShortGI = 0;
if (nDataRate < 12) {
return CCKOFDMRate[nDataRate];
} else {
if (nDataRate >= 0x10 && nDataRate <= 0x1f) { //if(nDataRate > 11 && nDataRate < 28 )
is40MHz = 0;
isShortGI = 0;
// nDataRate = nDataRate - 12;
} else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { //(27, 44)
is40MHz = 1;
isShortGI = 0;
//nDataRate = nDataRate - 28;
} else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { //(43, 60)
is40MHz = 0;
isShortGI = 1;
//nDataRate = nDataRate - 44;
} else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { //(59, 76)
is40MHz = 1;
isShortGI = 1;
//nDataRate = nDataRate - 60;
}
return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate & 0xf];
}
}
bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee)
{
bool retValue = false;
struct ieee80211_network *net = &ieee->current_network;
if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
(net->ralink_cap_exist))
retValue = true;
else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3) == 0) ||
(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0) ||
(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3) == 0) ||
(net->broadcom_cap_exist))
retValue = true;
else if (net->bssht.bdRT2RTAggregation)
retValue = true;
else
retValue = false;
return retValue;
}
/*
*function: This function returns peer IOT.
* input: struct ieee80211_device* ieee
* output: none
* return:
* notice:
*/
static void HTIOTPeerDetermine(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
struct ieee80211_network *net = &ieee->current_network;
if (net->bssht.bdRT2RTAggregation)
pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
else if (net->broadcom_cap_exist)
pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3) == 0) ||
(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0) ||
(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3) == 0))
pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
net->ralink_cap_exist)
pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
else if (net->atheros_cap_exist)
pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
else if (memcmp(net->bssid, CISCO_BROADCOM, 3) == 0)
pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
else
pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
}
/*
*function: Check whether driver should declare received rate up to MCS13
* only since some chipset is not good at receiving MCS14~15 frame
* from some AP.
* input: struct ieee80211_device* ieee
* u8 * PeerMacAddr
* output: none
* return: return 1 if driver should declare MCS13 only(otherwise return 0)
*/
static u8 HTIOTActIsDisableMCS14(struct ieee80211_device *ieee, u8 *PeerMacAddr)
{
return 0;
}
/*
* Function: HTIOTActIsDisableMCS15
*
* Overview: Check whether driver should declare capability of receiving
* MCS15
*
* Input:
* PADAPTER Adapter,
*
* Output: None
* Return: true if driver should disable MCS15
* 2008.04.15 Emily
*/
static bool HTIOTActIsDisableMCS15(struct ieee80211_device *ieee)
{
bool retValue = false;
#ifdef TODO
// Apply for 819u only
#if (HAL_CODE_BASE == RTL8192)
#if (DEV_BUS_TYPE == USB_INTERFACE)
// Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
retValue = true;
#elif (DEV_BUS_TYPE == PCI_INTERFACE)
// Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
// if(pBssDesc->bCiscoCapExist)
// retValue = false;
// else
retValue = false;
#endif
#endif
#endif
// Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
return retValue;
}
/*
* Function: HTIOTActIsDisableMCSTwoSpatialStream
*
* Overview: Check whether driver should declare capability of receiving
* All 2 ss packets
*
* Input:
* PADAPTER Adapter,
*
* Output: None
* Return: true if driver should disable all two spatial stream packet
* 2008.04.21 Emily
*/
static bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device *ieee,
u8 *PeerMacAddr)
{
#ifdef TODO
// Apply for 819u only
#endif
return false;
}
/*
*function: Check whether driver should disable EDCA turbo mode
* input: struct ieee80211_device* ieee
* u8* PeerMacAddr
* output: none
* return: return 1 if driver should disable EDCA turbo mode
* (otherwise return 0)
*/
static u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device *ieee,
u8 *PeerMacAddr)
{ /* default enable EDCA Turbo mode. */
return false;
}
/*
*function: Check whether we need to use OFDM to sned MGNT frame for
* broadcom AP
* input: struct ieee80211_network *network //current network we live
* output: none
* return: return 1 if true
*/
static u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
{
u8 retValue = 0;
// 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
// 2008/01/28 MH We must prevent that we select null bssid to link.
if (network->broadcom_cap_exist)
retValue = 1;
return retValue;
}
static u8 HTIOTActIsCCDFsync(u8 *PeerMacAddr)
{
u8 retValue = 0;
if ((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3) == 0) ||
(memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
(memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0))
retValue = 1;
return retValue;
}
void HTResetIOTSetting(PRT_HIGH_THROUGHPUT pHTInfo)
{
pHTInfo->IOTAction = 0;
pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
}
/*
*function: Construct Capablility Element in Beacon... if HTEnable is turned on
* input: struct ieee80211_device* ieee
* u8* posHTCap //pointer to store Capability Ele
* u8* len //store length of CE
* u8 IsEncrypt //whether encrypt, needed further
* output: none
* return: none
* notice: posHTCap can't be null and should be initialized before.
*/
void HTConstructCapabilityElement(struct ieee80211_device *ieee, u8 *posHTCap, u8 *len, u8 IsEncrypt)
{
PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
struct ht_capability_ele *pCapELE = NULL;
//u8 bIsDeclareMCS13;
if (!posHTCap || !pHT) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"posHTCap or pHTInfo can't be null in %s\n",
__func__);
return;
}
memset(posHTCap, 0, *len);
if (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) {
static const u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
pCapELE = (struct ht_capability_ele *)&posHTCap[4];
} else {
pCapELE = (struct ht_capability_ele *)posHTCap;
}
//HT capability info
pCapELE->AdvCoding = 0; // This feature is not supported now!!
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
pCapELE->ChlWidth = 0;
else
pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
// pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
pCapELE->MimoPwrSave = pHT->SelfMimoPs;
pCapELE->GreenField = 0; // This feature is not supported now!!
pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!!
pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!!
//DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
//pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
pCapELE->TxSTBC = 1;
pCapELE->RxSTBC = 0;
pCapELE->DelayBA = 0; // Do not support now!!
pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
pCapELE->PSMP = 0; // Do not support now!!
pCapELE->LSigTxopProtect = 0; // Do not support now!!
/*
* MAC HT parameters info
* TODO: Nedd to take care of this part
*/
IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
if (IsEncrypt) {
pCapELE->MPDUDensity = 7; // 8us
pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K
} else {
pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K
pCapELE->MPDUDensity = 0; // no density
}
//Supported MCS set
memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
pCapELE->MCS[1] &= 0x7f;
if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
pCapELE->MCS[1] &= 0xbf;
if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
pCapELE->MCS[1] &= 0x00;
/*
* 2008.06.12
* For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
*/
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
int i;
for (i = 1; i < 16; i++)
pCapELE->MCS[i] = 0;
}
//Extended HT Capability Info
memset(&pCapELE->ExtHTCapInfo, 0, 2);
//TXBF Capabilities
memset(pCapELE->TxBFCap, 0, 4);
//Antenna Selection Capabilities
pCapELE->ASCap = 0;
//add 2 to give space for element ID and len when construct frames
if (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
*len = 30 + 2;
else
*len = 26 + 2;
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2);
/*
* Print each field in detail. Driver should not print out this message
* by default
*/
// HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()");
}
/*
*function: Construct Information Element in Beacon... if HTEnable is turned on
* input: struct ieee80211_device* ieee
* u8* posHTCap //pointer to store Information Ele
* u8* len //store len of
* u8 IsEncrypt //whether encrypt, needed further
* output: none
* return: none
* notice: posHTCap can't be null and be initialized before.
* Only AP and IBSS sta should do this
*/
void HTConstructInfoElement(struct ieee80211_device *ieee, u8 *posHTInfo, u8 *len, u8 IsEncrypt)
{
PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
if (!posHTInfo || !pHTInfoEle) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"posHTInfo or pHTInfoEle can't be null in %s\n",
__func__);
return;
}
memset(posHTInfo, 0, *len);
if ((ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) { //ap mode is not currently supported
pHTInfoEle->ControlChl = ieee->current_network.channel;
pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ? HT_EXTCHNL_OFFSET_NO_EXT :
(ieee->current_network.channel <= 6) ?
HT_EXTCHNL_OFFSET_UPPER : HT_EXTCHNL_OFFSET_LOWER);
pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
pHTInfoEle->RIFS = 0;
pHTInfoEle->PSMPAccessOnly = 0;
pHTInfoEle->SrvIntGranularity = 0;
pHTInfoEle->OptMode = pHT->CurrentOpMode;
pHTInfoEle->NonGFDevPresent = 0;
pHTInfoEle->DualBeacon = 0;
pHTInfoEle->SecondaryBeacon = 0;
pHTInfoEle->LSigTxopProtectFull = 0;
pHTInfoEle->PcoActive = 0;
pHTInfoEle->PcoPhase = 0;
memset(pHTInfoEle->BasicMSC, 0, 16);
*len = 22 + 2; //same above
} else {
//STA should not generate High Throughput Information Element
*len = 0;
}
//IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2);
//HTDebugHTInfo(posHTInfo, "HTConstructInforElement");
}
/*
* According to experiment, Realtek AP to STA (based on rtl8190) may achieve
* best performance if both STA and AP set limitation of aggregation size to
* 32K, that is, set AMPDU density to 2 (Ref: IEEE 11n specification).
* However, if Realtek STA associates to other AP, STA should set limitation of
* aggregation size to 8K, otherwise, performance of traffic stream from STA to
* AP will be much less than the traffic stream from AP to STA if both of the
* stream runs concurrently at the same time.
*
* Frame Format
* Element ID Length OUI Type1 Reserved
* 1 byte 1 byte 3 bytes 1 byte 1 byte
*
* OUI = 0x00, 0xe0, 0x4c,
* Type = 0x02
* Reserved = 0x00
*
* 2007.8.21 by Emily
*/
/*
*function: Construct Information Element in Beacon... in RT2RT condition
* input: struct ieee80211_device* ieee
* u8* posRT2RTAgg //pointer to store Information Ele
* u8* len //store len
* output: none
* return: none
* notice:
*/
void HTConstructRT2RTAggElement(struct ieee80211_device *ieee, u8 *posRT2RTAgg, u8 *len)
{
if (!posRT2RTAgg) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"posRT2RTAgg can't be null in %s\n",
__func__);
return;
}
memset(posRT2RTAgg, 0, *len);
*posRT2RTAgg++ = 0x00;
*posRT2RTAgg++ = 0xe0;
*posRT2RTAgg++ = 0x4c;
*posRT2RTAgg++ = 0x02;
*posRT2RTAgg++ = 0x01;
*posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
if (ieee->bSupportRemoteWakeUp)
*posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
*len = 6 + 2;
return;
#ifdef TODO
#if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
/*
//Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
section of code.
if(IS_UNDER_11N_AES_MODE(Adapter))
{
posRT2RTAgg->octet[5] |= RT_HT_CAP_USE_AMPDU;
}else
{
posRT2RTAgg->octet[5] &= 0xfb;
}
*/
#else
// Do Nothing
#endif
posRT2RTAgg->Length = 6;
#endif
}
/*
*function: Pick the right Rate Adaptive table to use
* input: struct ieee80211_device* ieee
* u8* pOperateMCS //A pointer to MCS rate bitmap
* return: always we return true
* notice:
*/
static u8 HT_PickMCSRate(struct ieee80211_device *ieee, u8 *pOperateMCS)
{
if (!pOperateMCS) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"pOperateMCS can't be null in %s\n",
__func__);
return false;
}
switch (ieee->mode) {
case IEEE_A:
case IEEE_B:
case IEEE_G:
//legacy rate routine handled at selectedrate
//no MCS rate
memset(pOperateMCS, 0, 16);
break;
case IEEE_N_24G: //assume CCK rate ok
case IEEE_N_5G:
// Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
// Legacy part shall be handled at SelectRateSet().
//HT part
// TODO: may be different if we have different number of antenna
pOperateMCS[0] &= RATE_ADPT_1SS_MASK; //support MCS 0~7
pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
break;
//should never reach here
default:
break;
}
return true;
}
/*
* Description:
* This function will get the highest speed rate in input MCS set.
*
* /param Adapter Pionter to Adapter entity
* pMCSRateSet Pointer to MCS rate bitmap
* pMCSFilter Pointer to MCS rate filter
*
* /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
*
*/
/*
*function: This function will get the highest speed rate in input MCS set.
* input: struct ieee80211_device* ieee
* u8* pMCSRateSet //Pointer to MCS rate bitmap
* u8* pMCSFilter //Pointer to MCS rate filter
* return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
* notice:
*/
u8 HTGetHighestMCSRate(struct ieee80211_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter)
{
u8 i, j;
u8 bitMap;
u8 mcsRate = 0;
u8 availableMcsRate[16];
if (!pMCSRateSet || !pMCSFilter) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"pMCSRateSet or pMCSFilter can't be null in %s\n",
__func__);
return false;
}
for (i = 0; i < 16; i++)
availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
for (i = 0; i < 16; i++) {
if (availableMcsRate[i] != 0)
break;
}
if (i == 16)
return false;
for (i = 0; i < 16; i++) {
if (availableMcsRate[i] != 0) {
bitMap = availableMcsRate[i];
for (j = 0; j < 8; j++) {
if ((bitMap % 2) != 0) {
if (HTMcsToDataRate(ieee, (8 * i + j)) > HTMcsToDataRate(ieee, mcsRate))
mcsRate = (8 * i + j);
}
bitMap >>= 1;
}
}
}
return (mcsRate | 0x80);
}
/*
* 1.Filter our operation rate set with AP's rate set
* 2.shall reference channel bandwidth, STBC, Antenna number
* 3.generate rate adative table for firmware
* David 20060906
*
* \pHTSupportedCap: the connected STA's supported rate Capability element
*/
static u8 HTFilterMCSRate(struct ieee80211_device *ieee, u8 *pSupportMCS,
u8 *pOperateMCS)
{
u8 i = 0;
// filter out operational rate set not supported by AP, the length of it is 16
for (i = 0; i <= 15; i++)
pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i] & pSupportMCS[i];
// TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number
/*
* TODO: fill suggested rate adaptive rate index and give firmware info
* using Tx command packet we also shall suggested the first start rate
* set according to our signal strength
*/
HT_PickMCSRate(ieee, pOperateMCS);
// For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
pOperateMCS[1] = 0;
/*
* For RTL819X, we support only MCS0~15.
* And also, we do not know how to use MCS32 now.
*/
for (i = 2; i <= 15; i++)
pOperateMCS[i] = 0;
return true;
}
void HTOnAssocRsp(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
struct ht_capability_ele *pPeerHTCap = NULL;
PHT_INFORMATION_ELE pPeerHTInfo = NULL;
u16 nMaxAMSDUSize = 0;
u8 *pMcsFilter = NULL;
static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
if (!pHTInfo->bCurrentHTSupport) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
"<=== %s: HT_DISABLE\n",
__func__);
return;
}
IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(struct ht_capability_ele));
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
// HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
// HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
//
if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
pPeerHTCap = (struct ht_capability_ele *)(&pHTInfo->PeerHTCapBuf[4]);
else
pPeerHTCap = (struct ht_capability_ele *)(pHTInfo->PeerHTCapBuf);
if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
else
pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
////////////////////////////////////////////////////////
// Configurations:
////////////////////////////////////////////////////////
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, pPeerHTCap, sizeof(struct ht_capability_ele));
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
// Config Supported Channel Width setting
//
HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), (enum ht_extension_chan_offset)(pPeerHTInfo->ExtChlOffset));
pHTInfo->bCurTxBW40MHz = (pPeerHTInfo->RecommemdedTxWidth == 1);
/*
* Update short GI/ long GI setting
*
* TODO:
*/
pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz &&
(pPeerHTCap->ShortGI20Mhz == 1);
pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz &&
(pPeerHTCap->ShortGI40Mhz == 1);
/*
* Config TX STBC setting
*
* TODO:
*/
/*
* Config DSSS/CCK mode in 40MHz mode
*
* TODO:
*/
pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK &&
(pPeerHTCap->DssCCk == 1);
/*
* Config and configure A-MSDU setting
*/
pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
else
pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
/*
* Config A-MPDU setting
*/
pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
/*
* <1> Decide AMPDU Factor
* By Emily
*/
if (!pHTInfo->bRegRT2RTAggregation) {
// Decide AMPDU Factor according to protocol handshake
if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
else
pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
} else {
/*
* Set MPDU density to 2 to Realtek AP, and set it to 0 for others
* Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
*/
if (ieee->current_network.bssht.bdRT2RTAggregation) {
if (ieee->pairwise_key_type != KEY_TYPE_NA)
// Realtek may set 32k in security mode and 64k for others
pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
else
pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
} else {
pHTInfo->CurrentAMPDUFactor = min_t(u32, pPeerHTCap->MaxRxAMPDUFactor,
HT_AGG_SIZE_32K);
}
}
/*
* <2> Set AMPDU Minimum MPDU Start Spacing
* 802.11n 3.0 section 9.7d.3
*/
pHTInfo->CurrentMPDUDensity = max_t(u32, pHTInfo->MPDU_Density,
pPeerHTCap->MPDUDensity);
if (ieee->pairwise_key_type != KEY_TYPE_NA)
pHTInfo->CurrentMPDUDensity = 7; // 8us
// Force TX AMSDU
// Lanhsin: mark for tmp to avoid deauth by ap from s3
//if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
if (0) {
pHTInfo->bCurrentAMPDUEnable = false;
pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
pHTInfo->ForcedAMSDUMaxSize = 7935;
pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
}
// Rx Reorder Setting
pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
/*
* Filter out unsupported HT rate for this AP
* Update RATR table
* This is only for 8190 ,8192 or later product which using firmware to
* handle rate adaptive mechanism.
*/
/*
* Handle Ralink AP bad MCS rate set condition. Joseph.
* This fix the bug of Ralink AP. This may be removed in the future.
*/
if (pPeerHTCap->MCS[0] == 0)
pPeerHTCap->MCS[0] = 0xff;
HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
/*
* Config MIMO Power Save setting
*/
pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
pMcsFilter = MCS_FILTER_1SS;
else
pMcsFilter = MCS_FILTER_ALL;
//WB add for MCS8 bug
// pMcsFilter = MCS_FILTER_1SS;
ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
/*
* Config current operation mode.
*/
pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
}
/*
*function: initialize HT info(struct PRT_HIGH_THROUGHPUT)
* input: struct ieee80211_device* ieee
* output: none
* return: none
* notice: This function is called when
* * (1) MPInitialization Phase
* * (2) Receiving of Deauthentication from AP
*/
// TODO: Should this funciton be called when receiving of Disassociation?
void HTInitializeHTInfo(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
/*
* These parameters will be reset when receiving deauthentication packet
*/
IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __func__);
pHTInfo->bCurrentHTSupport = false;
// 40MHz channel support
pHTInfo->bCurBW40MHz = false;
pHTInfo->bCurTxBW40MHz = false;
// Short GI support
pHTInfo->bCurShortGI20MHz = false;
pHTInfo->bCurShortGI40MHz = false;
pHTInfo->bForcedShortGI = false;
/*
* CCK rate support
* This flag is set to true to support CCK rate by default.
* It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities
* only when associate to 11N BSS.
*/
pHTInfo->bCurSuppCCK = true;
// AMSDU related
pHTInfo->bCurrent_AMSDU_Support = false;
pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
// AMPUD related
pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
// Initialize all of the parameters related to 11n
memset(&pHTInfo->SelfHTCap, 0, sizeof(pHTInfo->SelfHTCap));
memset(&pHTInfo->SelfHTInfo, 0, sizeof(pHTInfo->SelfHTInfo));
memset(&pHTInfo->PeerHTCapBuf, 0, sizeof(pHTInfo->PeerHTCapBuf));
memset(&pHTInfo->PeerHTInfoBuf, 0, sizeof(pHTInfo->PeerHTInfoBuf));
pHTInfo->bSwBwInProgress = false;
// Set default IEEE spec for Draft N
pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
// Realtek proprietary aggregation mode
pHTInfo->bCurrentRT2RTAggregation = false;
pHTInfo->bCurrentRT2RTLongSlotTime = false;
pHTInfo->IOTPeer = 0;
pHTInfo->IOTAction = 0;
//MCS rate initialized here
{
u8 *RegHTSuppRateSets = &ieee->RegHTSuppRateSet[0];
RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7
RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15
RegHTSuppRateSets[4] = 0x01; //support MCS 32
}
}
/*
*function: initialize Bss HT structure(struct PBSS_HT)
* input: PBSS_HT pBssHT //to be initialized
* output: none
* return: none
* notice: This function is called when initialize network structure
*/
void HTInitializeBssDesc(PBSS_HT pBssHT)
{
pBssHT->bdSupportHT = false;
memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
pBssHT->bdHTCapLen = 0;
memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
pBssHT->bdHTInfoLen = 0;
pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
pBssHT->bdRT2RTAggregation = false;
pBssHT->bdRT2RTLongSlotTime = false;
}
/*
*function: initialize Bss HT structure(struct PBSS_HT)
* input: struct ieee80211_device *ieee
* struct ieee80211_network *pNetwork //usually current network
* we are live in
* output: none
* return: none
* notice: This function should ONLY be called before association
*/
void HTResetSelfAndSavePeerSetting(struct ieee80211_device *ieee, struct ieee80211_network *pNetwork)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
// u16 nMaxAMSDUSize;
// struct ht_capability_ele *pPeerHTCap = (struct ht_capability_ele *)pNetwork->bssht.bdHTCapBuf;
// PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
// u8* pMcsFilter;
u8 bIOTAction = 0;
//
// Save Peer Setting before Association
//
IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __func__);
/*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
// if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT)
if (pNetwork->bssht.bdSupportHT) {
pHTInfo->bCurrentHTSupport = true;
pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
// Save HTCap and HTInfo information Element
if (pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
if (pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
// Check whether RT to RT aggregation mode is enabled
if (pHTInfo->bRegRT2RTAggregation) {
pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
} else {
pHTInfo->bCurrentRT2RTAggregation = false;
pHTInfo->bCurrentRT2RTLongSlotTime = false;
}
// Determine the IOT Peer Vendor.
HTIOTPeerDetermine(ieee);
/*
* Decide IOT Action
* Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
*/
pHTInfo->IOTAction = 0;
bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
bIOTAction = HTIOTActIsDisableMCS15(ieee);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee, pNetwork->bssid);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
if (bIOTAction)
pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
} else {
pHTInfo->bCurrentHTSupport = false;
pHTInfo->bCurrentRT2RTAggregation = false;
pHTInfo->bCurrentRT2RTLongSlotTime = false;
pHTInfo->IOTAction = 0;
}
}
void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee, struct ieee80211_network *pNetwork)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
// struct ht_capability_ele *pPeerHTCap = (struct ht_capability_ele *)pNetwork->bssht.bdHTCapBuf;
PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
if (pHTInfo->bCurrentHTSupport) {
/*
* Config current operation mode.
*/
if (pNetwork->bssht.bdHTInfoLen != 0)
pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
/*
* <TODO: Config according to OBSS non-HT STA present!!>
*/
}
}
EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
/*
*function: check whether HT control field exists
* input: struct ieee80211_device *ieee
* u8* pFrame //coming skb->data
* output: none
* return: return true if HT control field exists(false otherwise)
* notice:
*/
u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame)
{
if (ieee->pHTInfo->bCurrentHTSupport) {
if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
return true;
}
}
return false;
}
static void HTSetConnectBwModeCallback(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __func__);
if (pHTInfo->bCurBW40MHz) {
if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
ieee->set_chan(ieee->dev, ieee->current_network.channel + 2);
else if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_LOWER)
ieee->set_chan(ieee->dev, ieee->current_network.channel - 2);
else
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
} else {
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
}
pHTInfo->bSwBwInProgress = false;
}
/*
* This function set bandwidth mode in protocol layer.
*/
void HTSetConnectBwMode(struct ieee80211_device *ieee, enum ht_channel_width Bandwidth, enum ht_extension_chan_offset Offset)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
// u32 flags = 0;
if (!pHTInfo->bRegBW40MHz)
return;
// To reduce dummy operation
// if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
// (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
// return;
// spin_lock_irqsave(&(ieee->bw_spinlock), flags);
if (pHTInfo->bSwBwInProgress) {
// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
return;
}
//if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
if (Bandwidth == HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))) {
// Handle Illegal extension channel offset!!
if (ieee->current_network.channel < 2 && Offset == HT_EXTCHNL_OFFSET_LOWER)
Offset = HT_EXTCHNL_OFFSET_NO_EXT;
if (Offset == HT_EXTCHNL_OFFSET_UPPER || Offset == HT_EXTCHNL_OFFSET_LOWER) {
pHTInfo->bCurBW40MHz = true;
pHTInfo->CurSTAExtChnlOffset = Offset;
} else {
pHTInfo->bCurBW40MHz = false;
pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
}
} else {
pHTInfo->bCurBW40MHz = false;
pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
}
pHTInfo->bSwBwInProgress = true;
/*
* TODO: 2007.7.13 by Emily Wait 2000ms in order to guarantee that
* switching bandwidth is executed after scan is finished. It is a
* temporal solution because software should ganrantee the last
* operation of switching bandwidth is executed properlly.
*/
HTSetConnectBwModeCallback(ieee);
// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c |
// SPDX-License-Identifier: GPL-2.0
/*
* Host AP crypt: host-based WEP encryption implementation for Host AP driver
*
* Copyright (c) 2002-2004, Jouni Malinen <[email protected]>
*/
#include <linux/fips.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/skbuff.h>
#include <linux/string.h>
#include "ieee80211.h"
#include <crypto/arc4.h>
#include <linux/crc32.h>
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: WEP");
MODULE_LICENSE("GPL");
struct prism2_wep_data {
u32 iv;
#define WEP_KEY_LEN 13
u8 key[WEP_KEY_LEN + 1];
u8 key_len;
u8 key_idx;
struct arc4_ctx rx_ctx_arc4;
struct arc4_ctx tx_ctx_arc4;
};
static void *prism2_wep_init(int keyidx)
{
struct prism2_wep_data *priv;
if (fips_enabled)
return NULL;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return NULL;
priv->key_idx = keyidx;
/* start WEP IV from a random value */
get_random_bytes(&priv->iv, 4);
return priv;
}
static void prism2_wep_deinit(void *priv)
{
kfree_sensitive(priv);
}
/* Perform WEP encryption on given skb that has at least 4 bytes of headroom
* for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted,
* so the payload length increases with 8 bytes.
*
* WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
*/
static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
u32 klen, len;
u8 key[WEP_KEY_LEN + 3];
u8 *pos;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u32 crc;
u8 *icv;
if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 ||
skb->len < hdr_len)
return -1;
len = skb->len - hdr_len;
pos = skb_push(skb, 4);
memmove(pos, pos + 4, hdr_len);
pos += hdr_len;
klen = 3 + wep->key_len;
wep->iv++;
/* Fluhrer, Mantin, and Shamir have reported weaknesses in the key
* scheduling algorithm of RC4. At least IVs (KeyByte + 3, 0xff, N)
* can be used to speedup attacks, so avoid using them.
*/
if ((wep->iv & 0xff00) == 0xff00) {
u8 B = (wep->iv >> 16) & 0xff;
if (B >= 3 && B < klen)
wep->iv += 0x0100;
}
/* Prepend 24-bit IV to RC4 key and TX frame */
*pos++ = key[0] = (wep->iv >> 16) & 0xff;
*pos++ = key[1] = (wep->iv >> 8) & 0xff;
*pos++ = key[2] = wep->iv & 0xff;
*pos++ = wep->key_idx << 6;
/* Copy rest of the WEP key (the secret part) */
memcpy(key + 3, wep->key, wep->key_len);
if (!tcb_desc->bHwSec) {
/* Append little-endian CRC32 and encrypt it to produce ICV */
crc = ~crc32_le(~0, pos, len);
icv = skb_put(skb, 4);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
arc4_setkey(&wep->tx_ctx_arc4, key, klen);
arc4_crypt(&wep->tx_ctx_arc4, pos, pos, len + 4);
}
return 0;
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
* the frame: IV (4 bytes), encrypted payload (including SNAP header),
* ICV (4 bytes). len includes both IV and ICV.
*
* Returns 0 if frame was decrypted successfully and ICV was correct and -1 on
* failure. If frame is OK, IV and ICV will be removed.
*/
static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
u32 klen, plen;
u8 key[WEP_KEY_LEN + 3];
u8 keyidx, *pos;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u32 crc;
u8 icv[4];
if (skb->len < hdr_len + 8)
return -1;
pos = skb->data + hdr_len;
key[0] = *pos++;
key[1] = *pos++;
key[2] = *pos++;
keyidx = *pos++ >> 6;
if (keyidx != wep->key_idx)
return -1;
klen = 3 + wep->key_len;
/* Copy rest of the WEP key (the secret part) */
memcpy(key + 3, wep->key, wep->key_len);
/* Apply RC4 to data and compute CRC32 over decrypted data */
plen = skb->len - hdr_len - 8;
if (!tcb_desc->bHwSec) {
arc4_setkey(&wep->rx_ctx_arc4, key, klen);
arc4_crypt(&wep->rx_ctx_arc4, pos, pos, plen + 4);
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
if (memcmp(icv, pos + plen, 4) != 0) {
/* ICV mismatch - drop frame */
return -2;
}
}
/* Remove IV and ICV */
memmove(skb->data + 4, skb->data, hdr_len);
skb_pull(skb, 4);
skb_trim(skb, skb->len - 4);
return 0;
}
static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
{
struct prism2_wep_data *wep = priv;
if (len < 0 || len > WEP_KEY_LEN)
return -1;
memcpy(wep->key, key, len);
wep->key_len = len;
return 0;
}
static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
{
struct prism2_wep_data *wep = priv;
if (len < wep->key_len)
return 0;
memcpy(key, wep->key, wep->key_len);
return wep->key_len;
}
static char *prism2_wep_print_stats(char *p, void *priv)
{
struct prism2_wep_data *wep = priv;
p += sprintf(p, "key[%d] alg=WEP len=%d\n",
wep->key_idx, wep->key_len);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.name = "WEP",
.init = prism2_wep_init,
.deinit = prism2_wep_deinit,
.encrypt_mpdu = prism2_wep_encrypt,
.decrypt_mpdu = prism2_wep_decrypt,
.encrypt_msdu = NULL,
.decrypt_msdu = NULL,
.set_key = prism2_wep_set_key,
.get_key = prism2_wep_get_key,
.print_stats = prism2_wep_print_stats,
.extra_prefix_len = 4, /* IV */
.extra_postfix_len = 4, /* ICV */
.owner = THIS_MODULE,
};
int __init ieee80211_crypto_wep_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_wep);
}
void ieee80211_crypto_wep_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c |
// SPDX-License-Identifier: GPL-2.0
#include "ieee80211.h"
#include <linux/etherdevice.h>
#include <linux/slab.h>
#include "rtl819x_TS.h"
static void TsSetupTimeOut(struct timer_list *unused)
{
// Not implement yet
// This is used for WMMSA and ACM , that would send ADDTSReq frame.
}
static void TsInactTimeout(struct timer_list *unused)
{
// Not implement yet
// This is used for WMMSA and ACM.
// This function would be call when TS is no Tx/Rx for some period of time.
}
/********************************************************************************************************************
*function: I still not understand this function, so wait for further implementation
* input: unsigned long data //acturally we send struct tx_ts_record or struct rx_ts_record to these timer
* return: NULL
* notice:
********************************************************************************************************************/
static void RxPktPendingTimeout(struct timer_list *t)
{
struct rx_ts_record *pRxTs = from_timer(pRxTs, t, rx_pkt_pending_timer);
struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
struct rx_reorder_entry *pReorderEntry = NULL;
//u32 flags = 0;
unsigned long flags = 0;
u8 index = 0;
bool bPktInBuf = false;
spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "==================>%s()\n", __func__);
if (pRxTs->rx_timeout_indicate_seq != 0xffff) {
// Indicate the pending packets sequentially according to SeqNum until meet the gap.
while (!list_empty(&pRxTs->rx_pending_pkt_list)) {
pReorderEntry = list_entry(pRxTs->rx_pending_pkt_list.prev, struct rx_reorder_entry, List);
if (index == 0)
pRxTs->rx_indicate_seq = pReorderEntry->SeqNum;
if (SN_LESS(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq) ||
SN_EQUAL(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq)) {
list_del_init(&pReorderEntry->List);
if (SN_EQUAL(pReorderEntry->SeqNum, pRxTs->rx_indicate_seq))
pRxTs->rx_indicate_seq = (pRxTs->rx_indicate_seq + 1) % 4096;
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s: IndicateSeq: %d\n", __func__, pReorderEntry->SeqNum);
ieee->stats_IndicateArray[index] = pReorderEntry->prxb;
index++;
list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
} else {
bPktInBuf = true;
break;
}
}
}
if (index > 0) {
// Set rx_timeout_indicate_seq to 0xffff to indicate no pending packets in buffer now.
pRxTs->rx_timeout_indicate_seq = 0xffff;
// Indicate packets
if (index > REORDER_WIN_SIZE) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorder buffer full!! \n");
spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
return;
}
ieee80211_indicate_packets(ieee, ieee->stats_IndicateArray, index);
}
if (bPktInBuf && (pRxTs->rx_timeout_indicate_seq == 0xffff)) {
pRxTs->rx_timeout_indicate_seq = pRxTs->rx_indicate_seq;
mod_timer(&pRxTs->rx_pkt_pending_timer,
jiffies + msecs_to_jiffies(ieee->pHTInfo->RxReorderPendingTime));
}
spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
}
/********************************************************************************************************************
*function: Add BA timer function
* input: unsigned long data //acturally we send struct tx_ts_record or struct rx_ts_record to these timer
* return: NULL
* notice:
********************************************************************************************************************/
static void TsAddBaProcess(struct timer_list *t)
{
struct tx_ts_record *pTxTs = from_timer(pTxTs, t, ts_add_ba_timer);
u8 num = pTxTs->num;
struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: ADDBA Req is started!! \n", __func__);
}
static void ResetTsCommonInfo(struct ts_common_info *pTsCommonInfo)
{
eth_zero_addr(pTsCommonInfo->addr);
memset(&pTsCommonInfo->t_spec, 0, sizeof(struct tspec_body));
memset(&pTsCommonInfo->t_class, 0, sizeof(union qos_tclas) * TCLAS_NUM);
pTsCommonInfo->t_clas_proc = 0;
pTsCommonInfo->t_clas_num = 0;
}
static void ResetTxTsEntry(struct tx_ts_record *pTS)
{
ResetTsCommonInfo(&pTS->ts_common_info);
pTS->tx_cur_seq = 0;
pTS->add_ba_req_in_progress = false;
pTS->add_ba_req_delayed = false;
pTS->using_ba = false;
ResetBaEntry(&pTS->tx_admitted_ba_record); //For BA Originator
ResetBaEntry(&pTS->tx_pending_ba_record);
}
static void ResetRxTsEntry(struct rx_ts_record *pTS)
{
ResetTsCommonInfo(&pTS->ts_common_info);
pTS->rx_indicate_seq = 0xffff; // This indicate the rx_indicate_seq is not used now!!
pTS->rx_timeout_indicate_seq = 0xffff; // This indicate the rx_timeout_indicate_seq is not used now!!
ResetBaEntry(&pTS->rx_admitted_ba_record); // For BA Recipient
}
void TSInitialize(struct ieee80211_device *ieee)
{
struct tx_ts_record *pTxTS = ieee->TxTsRecord;
struct rx_ts_record *pRxTS = ieee->RxTsRecord;
struct rx_reorder_entry *pRxReorderEntry = ieee->RxReorderEntry;
u8 count = 0;
IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __func__);
// Initialize Tx TS related info.
INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
for (count = 0; count < TOTAL_TS_NUM; count++) {
//
pTxTS->num = count;
// The timers for the operation of Traffic Stream and Block Ack.
// DLS related timer will be add here in the future!!
timer_setup(&pTxTS->ts_common_info.setup_timer, TsSetupTimeOut,
0);
timer_setup(&pTxTS->ts_common_info.inact_timer, TsInactTimeout,
0);
timer_setup(&pTxTS->ts_add_ba_timer, TsAddBaProcess, 0);
timer_setup(&pTxTS->tx_pending_ba_record.timer, BaSetupTimeOut,
0);
timer_setup(&pTxTS->tx_admitted_ba_record.timer,
TxBaInactTimeout, 0);
ResetTxTsEntry(pTxTS);
list_add_tail(&pTxTS->ts_common_info.list, &ieee->Tx_TS_Unused_List);
pTxTS++;
}
// Initialize Rx TS related info.
INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
for (count = 0; count < TOTAL_TS_NUM; count++) {
pRxTS->num = count;
INIT_LIST_HEAD(&pRxTS->rx_pending_pkt_list);
timer_setup(&pRxTS->ts_common_info.setup_timer, TsSetupTimeOut,
0);
timer_setup(&pRxTS->ts_common_info.inact_timer, TsInactTimeout,
0);
timer_setup(&pRxTS->rx_admitted_ba_record.timer,
RxBaInactTimeout, 0);
timer_setup(&pRxTS->rx_pkt_pending_timer, RxPktPendingTimeout, 0);
ResetRxTsEntry(pRxTS);
list_add_tail(&pRxTS->ts_common_info.list, &ieee->Rx_TS_Unused_List);
pRxTS++;
}
// Initialize unused Rx Reorder List.
INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
for (count = 0; count < REORDER_ENTRY_NUM; count++) {
list_add_tail(&pRxReorderEntry->List, &ieee->RxReorder_Unused_List);
if (count == (REORDER_ENTRY_NUM - 1))
break;
pRxReorderEntry = &ieee->RxReorderEntry[count + 1];
}
}
static void AdmitTS(struct ieee80211_device *ieee,
struct ts_common_info *pTsCommonInfo, u32 InactTime)
{
del_timer_sync(&pTsCommonInfo->setup_timer);
del_timer_sync(&pTsCommonInfo->inact_timer);
if (InactTime != 0)
mod_timer(&pTsCommonInfo->inact_timer,
jiffies + msecs_to_jiffies(InactTime));
}
static struct ts_common_info *SearchAdmitTRStream(struct ieee80211_device *ieee,
u8 *Addr, u8 TID,
enum tr_select TxRxSelect)
{
//DIRECTION_VALUE dir;
u8 dir;
bool search_dir[4] = {0};
struct list_head *psearch_list; //FIXME
struct ts_common_info *pRet = NULL;
if (ieee->iw_mode == IW_MODE_MASTER) { //ap mode
if (TxRxSelect == TX_DIR) {
search_dir[DIR_DOWN] = true;
search_dir[DIR_BI_DIR] = true;
} else {
search_dir[DIR_UP] = true;
search_dir[DIR_BI_DIR] = true;
}
} else if (ieee->iw_mode == IW_MODE_ADHOC) {
if (TxRxSelect == TX_DIR)
search_dir[DIR_UP] = true;
else
search_dir[DIR_DOWN] = true;
} else {
if (TxRxSelect == TX_DIR) {
search_dir[DIR_UP] = true;
search_dir[DIR_BI_DIR] = true;
search_dir[DIR_DIRECT] = true;
} else {
search_dir[DIR_DOWN] = true;
search_dir[DIR_BI_DIR] = true;
search_dir[DIR_DIRECT] = true;
}
}
if (TxRxSelect == TX_DIR)
psearch_list = &ieee->Tx_TS_Admit_List;
else
psearch_list = &ieee->Rx_TS_Admit_List;
//for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
for (dir = 0; dir <= DIR_BI_DIR; dir++) {
if (!search_dir[dir])
continue;
list_for_each_entry(pRet, psearch_list, list) {
// IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.ts_info.ucTSID, pRet->TSpec.ts_info.ucDirection);
if (memcmp(pRet->addr, Addr, 6) == 0)
if (pRet->t_spec.ts_info.uc_tsid == TID)
if (pRet->t_spec.ts_info.uc_direction == dir) {
// printk("Bingo! got it\n");
break;
}
}
if (&pRet->list != psearch_list)
break;
}
if (&pRet->list != psearch_list)
return pRet;
else
return NULL;
}
static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr,
struct tspec_body *pTSPEC, union qos_tclas *pTCLAS, u8 TCLAS_Num,
u8 TCLAS_Proc)
{
u8 count;
if (pTsCommonInfo == NULL)
return;
memcpy(pTsCommonInfo->addr, Addr, 6);
if (pTSPEC != NULL)
memcpy((u8 *)(&(pTsCommonInfo->t_spec)), (u8 *)pTSPEC, sizeof(struct tspec_body));
for (count = 0; count < TCLAS_Num; count++)
memcpy((u8 *)(&(pTsCommonInfo->t_class[count])), (u8 *)pTCLAS, sizeof(union qos_tclas));
pTsCommonInfo->t_clas_proc = TCLAS_Proc;
pTsCommonInfo->t_clas_num = TCLAS_Num;
}
bool GetTs(
struct ieee80211_device *ieee,
struct ts_common_info **ppTS,
u8 *Addr,
u8 TID,
enum tr_select TxRxSelect, //Rx:1, Tx:0
bool bAddNewTs
)
{
u8 UP = 0;
//
// We do not build any TS for Broadcast or Multicast stream.
// So reject these kinds of search here.
//
if (is_multicast_ether_addr(Addr)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
return false;
}
if (ieee->current_network.qos_data.supported == 0) {
UP = 0;
} else {
// In WMM case: we use 4 TID only
if (!is_ac_valid(TID)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
return false;
}
switch (TID) {
case 0:
case 3:
UP = 0;
break;
case 1:
case 2:
UP = 2;
break;
case 4:
case 5:
UP = 5;
break;
case 6:
case 7:
UP = 7;
break;
}
}
*ppTS = SearchAdmitTRStream(
ieee,
Addr,
UP,
TxRxSelect);
if (*ppTS != NULL) {
return true;
} else {
if (!bAddNewTs) {
IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
return false;
} else {
//
// Create a new Traffic stream for current Tx/Rx
// This is for EDCA and WMM to add a new TS.
// For HCCA or WMMSA, TS cannot be addmit without negotiation.
//
struct tspec_body TSpec;
struct qos_tsinfo *pTSInfo = &TSpec.ts_info;
struct list_head *pUnusedList =
(TxRxSelect == TX_DIR) ?
(&ieee->Tx_TS_Unused_List) :
(&ieee->Rx_TS_Unused_List);
struct list_head *pAddmitList =
(TxRxSelect == TX_DIR) ?
(&ieee->Tx_TS_Admit_List) :
(&ieee->Rx_TS_Admit_List);
enum direction_value Dir = (ieee->iw_mode == IW_MODE_MASTER) ?
((TxRxSelect == TX_DIR) ? DIR_DOWN : DIR_UP) :
((TxRxSelect == TX_DIR) ? DIR_UP : DIR_DOWN);
IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
if (!list_empty(pUnusedList)) {
(*ppTS) = list_entry(pUnusedList->next, struct ts_common_info, list);
list_del_init(&(*ppTS)->list);
if (TxRxSelect == TX_DIR) {
struct tx_ts_record *tmp = container_of(*ppTS, struct tx_ts_record, ts_common_info);
ResetTxTsEntry(tmp);
} else {
struct rx_ts_record *tmp = container_of(*ppTS, struct rx_ts_record, ts_common_info);
ResetRxTsEntry(tmp);
}
IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
// Prepare TS Info related field
pTSInfo->uc_traffic_type = 0; // Traffic type: WMM is reserved in this field
pTSInfo->uc_tsid = UP; // TSID
pTSInfo->uc_direction = Dir; // Direction: if there is DirectLink, this need additional consideration.
pTSInfo->uc_access_policy = 1; // Access policy
pTSInfo->uc_aggregation = 0; // Aggregation
pTSInfo->uc_psb = 0; // Aggregation
pTSInfo->uc_up = UP; // User priority
pTSInfo->uc_ts_info_ack_policy = 0; // Ack policy
pTSInfo->uc_schedule = 0; // Schedule
MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
AdmitTS(ieee, *ppTS, 0);
list_add_tail(&((*ppTS)->list), pAddmitList);
// if there is DirectLink, we need to do additional operation here!!
return true;
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __func__);
return false;
}
}
}
}
static void RemoveTsEntry(struct ieee80211_device *ieee, struct ts_common_info *pTs,
enum tr_select TxRxSelect)
{
//u32 flags = 0;
unsigned long flags = 0;
del_timer_sync(&pTs->setup_timer);
del_timer_sync(&pTs->inact_timer);
TsInitDelBA(ieee, pTs, TxRxSelect);
if (TxRxSelect == RX_DIR) {
struct rx_reorder_entry *pRxReorderEntry;
struct rx_ts_record *pRxTS = (struct rx_ts_record *)pTs;
if (timer_pending(&pRxTS->rx_pkt_pending_timer))
del_timer_sync(&pRxTS->rx_pkt_pending_timer);
while (!list_empty(&pRxTS->rx_pending_pkt_list)) {
spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
//pRxReorderEntry = list_entry(&pRxTS->rx_pending_pkt_list.prev,RX_REORDER_ENTRY,List);
pRxReorderEntry = list_entry(pRxTS->rx_pending_pkt_list.prev, struct rx_reorder_entry, List);
list_del_init(&pRxReorderEntry->List);
{
int i = 0;
struct ieee80211_rxb *prxb = pRxReorderEntry->prxb;
if (unlikely(!prxb)) {
spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
return;
}
for (i = 0; i < prxb->nr_subframes; i++)
dev_kfree_skb(prxb->subframes[i]);
kfree(prxb);
prxb = NULL;
}
list_add_tail(&pRxReorderEntry->List, &ieee->RxReorder_Unused_List);
spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
}
} else {
struct tx_ts_record *pTxTS = (struct tx_ts_record *)pTs;
del_timer_sync(&pTxTS->ts_add_ba_timer);
}
}
void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr)
{
struct ts_common_info *pTS, *pTmpTS;
printk("===========>%s,%pM\n", __func__, Addr);
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, list) {
if (memcmp(pTS->addr, Addr, 6) == 0) {
RemoveTsEntry(ieee, pTS, TX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
}
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, list) {
if (memcmp(pTS->addr, Addr, 6) == 0) {
printk("====>remove Tx_TS_admin_list\n");
RemoveTsEntry(ieee, pTS, TX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
}
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, list) {
if (memcmp(pTS->addr, Addr, 6) == 0) {
RemoveTsEntry(ieee, pTS, RX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
}
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, list) {
if (memcmp(pTS->addr, Addr, 6) == 0) {
RemoveTsEntry(ieee, pTS, RX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
}
}
}
void RemoveAllTS(struct ieee80211_device *ieee)
{
struct ts_common_info *pTS, *pTmpTS;
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, list) {
RemoveTsEntry(ieee, pTS, TX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, list) {
RemoveTsEntry(ieee, pTS, TX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Tx_TS_Unused_List);
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, list) {
RemoveTsEntry(ieee, pTS, RX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
}
list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, list) {
RemoveTsEntry(ieee, pTS, RX_DIR);
list_del_init(&pTS->list);
list_add_tail(&pTS->list, &ieee->Rx_TS_Unused_List);
}
}
void TsStartAddBaProcess(struct ieee80211_device *ieee, struct tx_ts_record *pTxTS)
{
if (!pTxTS->add_ba_req_in_progress) {
pTxTS->add_ba_req_in_progress = true;
if (pTxTS->add_ba_req_delayed) {
IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: Delayed Start ADDBA after 60 sec!!\n", __func__);
mod_timer(&pTxTS->ts_add_ba_timer,
jiffies + msecs_to_jiffies(TS_ADDBA_DELAY));
} else {
IEEE80211_DEBUG(IEEE80211_DL_BA, "%s: Immediately Start ADDBA now!!\n", __func__);
mod_timer(&pTxTS->ts_add_ba_timer, jiffies + 10); //set 10 ticks
}
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __func__);
}
}
| linux-master | drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c |
// SPDX-License-Identifier: GPL-2.0
/* IEEE 802.11 SoftMAC layer
* Copyright (c) 2005 Andrea Merello <[email protected]>
*
* Mostly extracted from the rtl8180-sa2400 driver for the
* in-kernel generic ieee802.11 stack.
*
* Some pieces of code might be stolen from ipw2100 driver
* copyright of who own it's copyright ;-)
*
* PS wx handler mostly stolen from hostap, copyright who
* own it's copyright ;-)
*/
#include <linux/etherdevice.h>
#include "ieee80211.h"
#include "dot11d.h"
/* FIXME: add A freqs */
const long ieee80211_wlan_frequencies[] = {
2412, 2417, 2422, 2427,
2432, 2437, 2442, 2447,
2452, 2457, 2462, 2467,
2472, 2484
};
EXPORT_SYMBOL(ieee80211_wlan_frequencies);
int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
int ret;
struct iw_freq *fwrq = &wrqu->freq;
mutex_lock(&ieee->wx_mutex);
if (ieee->iw_mode == IW_MODE_INFRA) {
ret = -EOPNOTSUPP;
goto out;
}
/* if setting by freq convert to channel */
if (fwrq->e == 1) {
if ((fwrq->m >= (int)2.412e8 &&
fwrq->m <= (int)2.487e8)) {
int f = fwrq->m / 100000;
int c = 0;
while ((c < 14) && (f != ieee80211_wlan_frequencies[c]))
c++;
/* hack to fall through */
fwrq->e = 0;
fwrq->m = c + 1;
}
}
if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1) {
ret = -EOPNOTSUPP;
goto out;
} else { /* Set the channel */
if (!(GET_DOT11D_INFO(ieee)->channel_map)[fwrq->m]) {
ret = -EINVAL;
goto out;
}
ieee->current_network.channel = fwrq->m;
ieee->set_chan(ieee->dev, ieee->current_network.channel);
if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
if (ieee->state == IEEE80211_LINKED) {
ieee80211_stop_send_beacons(ieee);
ieee80211_start_send_beacons(ieee);
}
}
ret = 0;
out:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_freq);
int ieee80211_wx_get_freq(struct ieee80211_device *ieee,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct iw_freq *fwrq = &wrqu->freq;
if (ieee->current_network.channel == 0)
return -1;
/* NM 0.7.0 will not accept channel any more. */
fwrq->m = ieee80211_wlan_frequencies[ieee->current_network.channel - 1] * 100000;
fwrq->e = 1;
/* fwrq->m = ieee->current_network.channel; */
/* fwrq->e = 0; */
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_freq);
int ieee80211_wx_get_wap(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
unsigned long flags;
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
if (ieee->iw_mode == IW_MODE_MONITOR)
return -1;
/* We want avoid to give to the user inconsistent infos*/
spin_lock_irqsave(&ieee->lock, flags);
if (ieee->state != IEEE80211_LINKED &&
ieee->state != IEEE80211_LINKED_SCANNING &&
ieee->wap_set == 0)
eth_zero_addr(wrqu->ap_addr.sa_data);
else
memcpy(wrqu->ap_addr.sa_data,
ieee->current_network.bssid, ETH_ALEN);
spin_unlock_irqrestore(&ieee->lock, flags);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_wap);
int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *awrq,
char *extra)
{
int ret = 0;
unsigned long flags;
short ifup = ieee->proto_started; /* dev->flags & IFF_UP; */
struct sockaddr *temp = (struct sockaddr *)awrq;
ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->wx_mutex);
/* use ifconfig hw ether */
if (ieee->iw_mode == IW_MODE_MASTER) {
ret = -1;
goto out;
}
if (temp->sa_family != ARPHRD_ETHER) {
ret = -EINVAL;
goto out;
}
if (ifup)
ieee80211_stop_protocol(ieee);
/* just to avoid to give inconsistent infos in the
* get wx method. not really needed otherwise
*/
spin_lock_irqsave(&ieee->lock, flags);
memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN);
ieee->wap_set = !is_zero_ether_addr(temp->sa_data);
spin_unlock_irqrestore(&ieee->lock, flags);
if (ifup)
ieee80211_start_protocol(ieee);
out:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_wap);
int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b)
{
int len, ret = 0;
unsigned long flags;
if (ieee->iw_mode == IW_MODE_MONITOR)
return -1;
/* We want avoid to give to the user inconsistent infos*/
spin_lock_irqsave(&ieee->lock, flags);
if (ieee->current_network.ssid[0] == '\0' ||
ieee->current_network.ssid_len == 0) {
ret = -1;
goto out;
}
if (ieee->state != IEEE80211_LINKED &&
ieee->state != IEEE80211_LINKED_SCANNING &&
ieee->ssid_set == 0) {
ret = -1;
goto out;
}
len = ieee->current_network.ssid_len;
wrqu->essid.length = len;
strncpy(b, ieee->current_network.ssid, len);
wrqu->essid.flags = 1;
out:
spin_unlock_irqrestore(&ieee->lock, flags);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_get_essid);
int ieee80211_wx_set_rate(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
u32 target_rate = wrqu->bitrate.value;
ieee->rate = target_rate / 100000;
/* FIXME: we might want to limit rate also in management protocols. */
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_rate);
int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
u32 tmp_rate;
tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate);
wrqu->bitrate.value = tmp_rate * 500000;
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_rate);
int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
if (wrqu->rts.disabled || !wrqu->rts.fixed) {
ieee->rts = DEFAULT_RTS_THRESHOLD;
} else {
if (wrqu->rts.value < MIN_RTS_THRESHOLD ||
wrqu->rts.value > MAX_RTS_THRESHOLD)
return -EINVAL;
ieee->rts = wrqu->rts.value;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_rts);
int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
wrqu->rts.value = ieee->rts;
wrqu->rts.fixed = 0; /* no auto select */
wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_rts);
int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->wx_mutex);
if (wrqu->mode == ieee->iw_mode)
goto out;
if (wrqu->mode == IW_MODE_MONITOR)
ieee->dev->type = ARPHRD_IEEE80211;
else
ieee->dev->type = ARPHRD_ETHER;
if (!ieee->proto_started) {
ieee->iw_mode = wrqu->mode;
} else {
ieee80211_stop_protocol(ieee);
ieee->iw_mode = wrqu->mode;
ieee80211_start_protocol(ieee);
}
out:
mutex_unlock(&ieee->wx_mutex);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_mode);
void ieee80211_wx_sync_scan_wq(struct work_struct *work)
{
struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq);
short chan;
enum ht_extension_chan_offset chan_offset = 0;
enum ht_channel_width bandwidth = 0;
int b40M = 0;
chan = ieee->current_network.channel;
netif_carrier_off(ieee->dev);
if (ieee->data_hard_stop)
ieee->data_hard_stop(ieee->dev);
ieee80211_stop_send_beacons(ieee);
ieee->state = IEEE80211_LINKED_SCANNING;
ieee->link_change(ieee->dev);
ieee->InitialGainHandler(ieee->dev, IG_Backup);
if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) {
b40M = 1;
chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset;
bandwidth = (enum ht_channel_width)ieee->pHTInfo->bCurBW40MHz;
printk("Scan in 40M, force to 20M first:%d, %d\n", chan_offset, bandwidth);
ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
}
ieee80211_start_scan_syncro(ieee);
if (b40M) {
printk("Scan in 20M, back to 40M\n");
if (chan_offset == HT_EXTCHNL_OFFSET_UPPER)
ieee->set_chan(ieee->dev, chan + 2);
else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER)
ieee->set_chan(ieee->dev, chan - 2);
else
ieee->set_chan(ieee->dev, chan);
ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset);
} else {
ieee->set_chan(ieee->dev, chan);
}
ieee->InitialGainHandler(ieee->dev, IG_Restore);
ieee->state = IEEE80211_LINKED;
ieee->link_change(ieee->dev);
/* To prevent the immediately calling watch_dog after scan. */
if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 || ieee->LinkDetectInfo.NumRecvDataInPeriod == 0) {
ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
ieee->LinkDetectInfo.NumRecvDataInPeriod = 1;
}
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
ieee80211_start_send_beacons(ieee);
netif_carrier_on(ieee->dev);
mutex_unlock(&ieee->wx_mutex);
}
int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
int ret = 0;
mutex_lock(&ieee->wx_mutex);
if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)) {
ret = -1;
goto out;
}
if (ieee->state == IEEE80211_LINKED) {
queue_work(ieee->wq, &ieee->wx_sync_scan_wq);
/* intentionally forget to up sem */
return 0;
}
out:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_scan);
int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
int ret = 0, len;
short proto_started;
unsigned long flags;
ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->wx_mutex);
proto_started = ieee->proto_started;
if (wrqu->essid.length > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
goto out;
}
if (ieee->iw_mode == IW_MODE_MONITOR) {
ret = -1;
goto out;
}
if (proto_started)
ieee80211_stop_protocol(ieee);
/* this is just to be sure that the GET wx callback
* has consisten infos. not needed otherwise
*/
spin_lock_irqsave(&ieee->lock, flags);
if (wrqu->essid.flags && wrqu->essid.length) {
/* first flush current network.ssid */
len = ((wrqu->essid.length - 1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length - 1) : IW_ESSID_MAX_SIZE;
strncpy(ieee->current_network.ssid, extra, len + 1);
ieee->current_network.ssid_len = len + 1;
ieee->ssid_set = 1;
} else {
ieee->ssid_set = 0;
ieee->current_network.ssid[0] = '\0';
ieee->current_network.ssid_len = 0;
}
spin_unlock_irqrestore(&ieee->lock, flags);
if (proto_started)
ieee80211_start_protocol(ieee);
out:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_essid);
int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
wrqu->mode = ieee->iw_mode;
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_mode);
int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int *parms = (int *)extra;
int enable = (parms[0] > 0);
short prev = ieee->raw_tx;
mutex_lock(&ieee->wx_mutex);
if (enable)
ieee->raw_tx = 1;
else
ieee->raw_tx = 0;
netdev_info(ieee->dev, "raw TX is %s\n",
ieee->raw_tx ? "enabled" : "disabled");
if (ieee->iw_mode == IW_MODE_MONITOR) {
if (prev == 0 && ieee->raw_tx) {
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
if (prev && ieee->raw_tx == 1)
netif_carrier_off(ieee->dev);
}
mutex_unlock(&ieee->wx_mutex);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_rawtx);
int ieee80211_wx_get_name(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
strscpy(wrqu->name, "802.11", IFNAMSIZ);
if (ieee->modulation & IEEE80211_CCK_MODULATION) {
strlcat(wrqu->name, "b", IFNAMSIZ);
if (ieee->modulation & IEEE80211_OFDM_MODULATION)
strlcat(wrqu->name, "/g", IFNAMSIZ);
} else if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
strlcat(wrqu->name, "g", IFNAMSIZ);
}
if (ieee->mode & (IEEE_N_24G | IEEE_N_5G))
strlcat(wrqu->name, "/n", IFNAMSIZ);
if ((ieee->state == IEEE80211_LINKED) ||
(ieee->state == IEEE80211_LINKED_SCANNING))
strlcat(wrqu->name, " linked", IFNAMSIZ);
else if (ieee->state != IEEE80211_NOLINK)
strlcat(wrqu->name, " link..", IFNAMSIZ);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_name);
/* this is mostly stolen from hostap */
int ieee80211_wx_set_power(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
mutex_lock(&ieee->wx_mutex);
if (wrqu->power.disabled) {
ieee->ps = IEEE80211_PS_DISABLED;
goto exit;
}
if (wrqu->power.flags & IW_POWER_TIMEOUT) {
/* ieee->ps_period = wrqu->power.value / 1000; */
ieee->ps_timeout = wrqu->power.value / 1000;
}
if (wrqu->power.flags & IW_POWER_PERIOD) {
/* ieee->ps_timeout = wrqu->power.value / 1000; */
ieee->ps_period = wrqu->power.value / 1000;
/* wrq->value / 1024; */
}
switch (wrqu->power.flags & IW_POWER_MODE) {
case IW_POWER_UNICAST_R:
ieee->ps = IEEE80211_PS_UNICAST;
break;
case IW_POWER_MULTICAST_R:
ieee->ps = IEEE80211_PS_MBCAST;
break;
case IW_POWER_ALL_R:
ieee->ps = IEEE80211_PS_UNICAST | IEEE80211_PS_MBCAST;
break;
case IW_POWER_ON:
/* ieee->ps = IEEE80211_PS_DISABLED; */
break;
default:
ret = -EINVAL;
goto exit;
}
exit:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_power);
/* this is stolen from hostap */
int ieee80211_wx_get_power(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
mutex_lock(&ieee->wx_mutex);
if (ieee->ps == IEEE80211_PS_DISABLED) {
wrqu->power.disabled = 1;
goto exit;
}
wrqu->power.disabled = 0;
if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
wrqu->power.flags = IW_POWER_TIMEOUT;
wrqu->power.value = ieee->ps_timeout * 1000;
} else {
/* ret = -EOPNOTSUPP; */
/* goto exit; */
wrqu->power.flags = IW_POWER_PERIOD;
wrqu->power.value = ieee->ps_period * 1000;
/* ieee->current_network.dtim_period * ieee->current_network.beacon_interval * 1024; */
}
if ((ieee->ps & (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST)) == (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST))
wrqu->power.flags |= IW_POWER_ALL_R;
else if (ieee->ps & IEEE80211_PS_MBCAST)
wrqu->power.flags |= IW_POWER_MULTICAST_R;
else
wrqu->power.flags |= IW_POWER_UNICAST_R;
exit:
mutex_unlock(&ieee->wx_mutex);
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_power);
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c |
// SPDX-License-Identifier: GPL-2.0
/*******************************************************************************
*
* Copyright(c) 2004 Intel Corporation. All rights reserved.
*
* Portions of this file are based on the WEP enablement code provided by the
* Host AP project hostap-drivers v0.1.3
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
* <[email protected]>
* Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
*
* Contact Information:
* James P. Ketrenos <[email protected]>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/if_arp.h>
#include <linux/in6.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <linux/uaccess.h>
#include <net/arp.h>
#include "ieee80211.h"
MODULE_DESCRIPTION("802.11 data/management/control stack");
MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <[email protected]>");
MODULE_LICENSE("GPL");
#define DRV_NAME "ieee80211"
static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
{
if (ieee->networks)
return 0;
ieee->networks = kcalloc(MAX_NETWORK_COUNT,
sizeof(struct ieee80211_network),
GFP_KERNEL);
if (!ieee->networks) {
netdev_warn(ieee->dev, "Out of memory allocating beacons\n");
return -ENOMEM;
}
return 0;
}
static inline void ieee80211_networks_free(struct ieee80211_device *ieee)
{
if (!ieee->networks)
return;
kfree(ieee->networks);
ieee->networks = NULL;
}
static inline void ieee80211_networks_initialize(struct ieee80211_device *ieee)
{
int i;
INIT_LIST_HEAD(&ieee->network_free_list);
INIT_LIST_HEAD(&ieee->network_list);
for (i = 0; i < MAX_NETWORK_COUNT; i++)
list_add_tail(&ieee->networks[i].list, &ieee->network_free_list);
}
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
struct net_device *dev;
int i, err;
IEEE80211_DEBUG_INFO("Initializing...\n");
dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
if (!dev) {
IEEE80211_ERROR("Unable to network device.\n");
goto failed;
}
ieee = netdev_priv(dev);
ieee->dev = dev;
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n",
err);
goto failed;
}
ieee80211_networks_initialize(ieee);
/* Default fragmentation threshold is maximum payload size */
ieee->fts = DEFAULT_FTS;
ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
ieee->open_wep = 1;
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
INIT_LIST_HEAD(&ieee->crypt_deinit_list);
timer_setup(&ieee->crypt_deinit_timer, ieee80211_crypt_deinit_handler,
0);
spin_lock_init(&ieee->lock);
spin_lock_init(&ieee->wpax_suitlist_lock);
spin_lock_init(&ieee->bw_spinlock);
spin_lock_init(&ieee->reorder_spinlock);
/* added by WB */
atomic_set(&ieee->atm_chnlop, 0);
atomic_set(&ieee->atm_swbw, 0);
ieee->wpax_type_set = 0;
ieee->wpa_enabled = 0;
ieee->tkip_countermeasures = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
ieee->ieee802_1x = 1;
ieee->raw_tx = 0;
//ieee->hwsec_support = 1; //defalt support hw security. //use module_param instead.
ieee->hwsec_active = 0; /* disable hwsec, switch it on when necessary. */
ieee80211_softmac_init(ieee);
ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
if (!ieee->pHTInfo) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
/* By this point in code ieee80211_networks_allocate() has been
* successfully called so the memory allocated should be freed
*/
ieee80211_networks_free(ieee);
goto failed;
}
HTUpdateDefaultSetting(ieee);
HTInitializeHTInfo(ieee); /* may move to other place. */
TSInitialize(ieee);
for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
for (i = 0; i < 17; i++) {
ieee->last_rxseq_num[i] = -1;
ieee->last_rxfrag_num[i] = -1;
ieee->last_packet_time[i] = 0;
}
return dev;
failed:
if (dev)
free_netdev(dev);
return NULL;
}
void free_ieee80211(struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
int i;
/* struct list_head *p, *q; */
// del_timer_sync(&ieee->SwBwTimer);
kfree(ieee->pHTInfo);
ieee->pHTInfo = NULL;
RemoveAllTS(ieee);
ieee80211_softmac_free(ieee);
del_timer_sync(&ieee->crypt_deinit_timer);
ieee80211_crypt_deinit_entries(ieee, 1);
for (i = 0; i < WEP_KEYS; i++) {
struct ieee80211_crypt_data *crypt = ieee->crypt[i];
if (crypt) {
if (crypt->ops)
crypt->ops->deinit(crypt->priv);
kfree(crypt);
ieee->crypt[i] = NULL;
}
}
ieee80211_networks_free(ieee);
free_netdev(dev);
}
#ifdef CONFIG_IEEE80211_DEBUG
u32 ieee80211_debug_level;
static int debug = // IEEE80211_DL_INFO |
// IEEE80211_DL_WX |
// IEEE80211_DL_SCAN |
// IEEE80211_DL_STATE |
// IEEE80211_DL_MGMT |
// IEEE80211_DL_FRAG |
// IEEE80211_DL_EAP |
// IEEE80211_DL_DROP |
// IEEE80211_DL_TX |
// IEEE80211_DL_RX |
//IEEE80211_DL_QOS |
// IEEE80211_DL_HT |
// IEEE80211_DL_TS |
// IEEE80211_DL_BA |
// IEEE80211_DL_REORDER|
// IEEE80211_DL_TRACE |
//IEEE80211_DL_DATA |
IEEE80211_DL_ERR /* awayls open this flags to show error out */
;
static struct proc_dir_entry *ieee80211_proc;
static int show_debug_level(struct seq_file *m, void *v)
{
seq_printf(m, "0x%08X\n", ieee80211_debug_level);
return 0;
}
static ssize_t write_debug_level(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
unsigned long val;
int err = kstrtoul_from_user(buffer, count, 0, &val);
if (err)
return err;
ieee80211_debug_level = val;
return count;
}
static int open_debug_level(struct inode *inode, struct file *file)
{
return single_open(file, show_debug_level, NULL);
}
static const struct proc_ops debug_level_proc_ops = {
.proc_open = open_debug_level,
.proc_read = seq_read,
.proc_lseek = seq_lseek,
.proc_write = write_debug_level,
.proc_release = single_release,
};
int __init ieee80211_debug_init(void)
{
struct proc_dir_entry *e;
ieee80211_debug_level = debug;
ieee80211_proc = proc_mkdir(DRV_NAME, init_net.proc_net);
if (!ieee80211_proc) {
IEEE80211_ERROR("Unable to create " DRV_NAME
" proc directory\n");
return -EIO;
}
e = proc_create("debug_level", 0644, ieee80211_proc, &debug_level_proc_ops);
if (!e) {
remove_proc_entry(DRV_NAME, init_net.proc_net);
ieee80211_proc = NULL;
return -EIO;
}
return 0;
}
void ieee80211_debug_exit(void)
{
if (ieee80211_proc) {
remove_proc_entry("debug_level", ieee80211_proc);
remove_proc_entry(DRV_NAME, init_net.proc_net);
ieee80211_proc = NULL;
}
}
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_module.c |
// SPDX-License-Identifier: GPL-2.0
/*
* Host AP crypt: host-based CCMP encryption implementation for Host AP driver
*
* Copyright (c) 2003-2004, Jouni Malinen <[email protected]>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/if_ether.h>
#include <linux/if_arp.h>
#include <linux/string.h>
#include <linux/wireless.h>
#include "ieee80211.h"
#include <linux/crypto.h>
#include <crypto/aead.h>
#include <linux/scatterlist.h>
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: CCMP");
MODULE_LICENSE("GPL");
#define AES_BLOCK_LEN 16
#define CCMP_HDR_LEN 8
#define CCMP_MIC_LEN 8
#define CCMP_TK_LEN 16
#define CCMP_PN_LEN 6
struct ieee80211_ccmp_data {
u8 key[CCMP_TK_LEN];
int key_set;
u8 tx_pn[CCMP_PN_LEN];
u8 rx_pn[CCMP_PN_LEN];
u32 dot11RSNAStatsCCMPFormatErrors;
u32 dot11RSNAStatsCCMPReplays;
u32 dot11RSNAStatsCCMPDecryptErrors;
int key_idx;
struct crypto_aead *tfm;
/* scratch buffers for virt_to_page() (crypto API) */
u8 tx_aad[2 * AES_BLOCK_LEN];
u8 rx_aad[2 * AES_BLOCK_LEN];
};
static void *ieee80211_ccmp_init(int key_idx)
{
struct ieee80211_ccmp_data *priv;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
goto fail;
priv->key_idx = key_idx;
priv->tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tfm)) {
pr_debug("ieee80211_crypt_ccmp: could not allocate crypto API aes\n");
priv->tfm = NULL;
goto fail;
}
return priv;
fail:
if (priv) {
if (priv->tfm)
crypto_free_aead(priv->tfm);
kfree(priv);
}
return NULL;
}
static void ieee80211_ccmp_deinit(void *priv)
{
struct ieee80211_ccmp_data *_priv = priv;
if (_priv && _priv->tfm)
crypto_free_aead(_priv->tfm);
kfree(priv);
}
static int ccmp_init_iv_and_aad(struct rtl_80211_hdr_4addr *hdr,
u8 *pn, u8 *iv, u8 *aad)
{
u8 *pos, qc = 0;
size_t aad_len;
u16 fc;
int a4_included, qc_included;
fc = le16_to_cpu(hdr->frame_ctl);
a4_included = ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS));
/* qc_included = ((WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) &&
* (WLAN_FC_GET_STYPE(fc) & 0x08));
*/
/* fixed by David :2006.9.6 */
qc_included = (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) &&
(WLAN_FC_GET_STYPE(fc) & 0x80);
aad_len = 22;
if (a4_included)
aad_len += 6;
if (qc_included) {
pos = (u8 *)&hdr->addr4;
if (a4_included)
pos += 6;
qc = *pos & 0x0f;
aad_len += 2;
}
/* In CCM, the initial vectors (IV) used for CTR mode encryption and CBC
* mode authentication are not allowed to collide, yet both are derived
* from the same vector. We only set L := 1 here to indicate that the
* data size can be represented in (L+1) bytes. The CCM layer will take
* care of storing the data length in the top (L+1) bytes and setting
* and clearing the other bits as is required to derive the two IVs.
*/
iv[0] = 0x1;
/* Nonce: QC | A2 | PN */
iv[1] = qc;
memcpy(iv + 2, hdr->addr2, ETH_ALEN);
memcpy(iv + 8, pn, CCMP_PN_LEN);
/* AAD:
* FC with bits 4..6 and 11..13 masked to zero; 14 is always one
* A1 | A2 | A3
* SC with bits 4..15 (seq#) masked to zero
* A4 (if present)
* QC (if present)
*/
pos = (u8 *)hdr;
aad[0] = pos[0] & 0x8f;
aad[1] = pos[1] & 0xc7;
memcpy(&aad[2], &hdr->addr1, ETH_ALEN);
memcpy(&aad[8], &hdr->addr2, ETH_ALEN);
memcpy(&aad[14], &hdr->addr3, ETH_ALEN);
pos = (u8 *)&hdr->seq_ctl;
aad[20] = pos[0] & 0x0f;
aad[21] = 0; /* all bits masked */
memset(aad + 22, 0, 8);
if (a4_included)
memcpy(aad + 22, hdr->addr4, ETH_ALEN);
if (qc_included) {
aad[a4_included ? 28 : 22] = qc;
/* rest of QC masked */
}
return aad_len;
}
static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
int i;
u8 *pos;
struct rtl_80211_hdr_4addr *hdr;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
if (skb_headroom(skb) < CCMP_HDR_LEN ||
skb_tailroom(skb) < CCMP_MIC_LEN ||
skb->len < hdr_len)
return -1;
pos = skb_push(skb, CCMP_HDR_LEN);
memmove(pos, pos + CCMP_HDR_LEN, hdr_len);
pos += hdr_len;
/* mic = skb_put(skb, CCMP_MIC_LEN); */
i = CCMP_PN_LEN - 1;
while (i >= 0) {
key->tx_pn[i]++;
if (key->tx_pn[i] != 0)
break;
i--;
}
*pos++ = key->tx_pn[5];
*pos++ = key->tx_pn[4];
*pos++ = 0;
*pos++ = (key->key_idx << 6) | BIT(5) /* Ext IV included */;
*pos++ = key->tx_pn[3];
*pos++ = key->tx_pn[2];
*pos++ = key->tx_pn[1];
*pos++ = key->tx_pn[0];
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
if (!tcb_desc->bHwSec) {
struct aead_request *req;
struct scatterlist sg[2];
u8 *aad = key->tx_aad;
u8 iv[AES_BLOCK_LEN];
int aad_len, ret;
size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN;
req = aead_request_alloc(key->tfm, GFP_ATOMIC);
if (!req)
return -ENOMEM;
aad_len = ccmp_init_iv_and_aad(hdr, key->tx_pn, iv, aad);
skb_put(skb, CCMP_MIC_LEN);
sg_init_table(sg, 2);
sg_set_buf(&sg[0], aad, aad_len);
sg_set_buf(&sg[1], skb->data + hdr_len + CCMP_HDR_LEN,
data_len + CCMP_MIC_LEN);
aead_request_set_callback(req, 0, NULL, NULL);
aead_request_set_ad(req, aad_len);
aead_request_set_crypt(req, sg, sg, data_len, iv);
ret = crypto_aead_encrypt(req);
aead_request_free(req);
return ret;
}
return 0;
}
static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
u8 keyidx, *pos;
struct rtl_80211_hdr_4addr *hdr;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 pn[6];
if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {
key->dot11RSNAStatsCCMPFormatErrors++;
return -1;
}
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & BIT(5))) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "CCMP: received packet without ExtIV flag from %pM\n",
hdr->addr2);
}
key->dot11RSNAStatsCCMPFormatErrors++;
return -2;
}
keyidx >>= 6;
if (key->key_idx != keyidx) {
netdev_dbg(skb->dev, "CCMP: RX tkey->key_idx=%d frame keyidx=%d priv=%p\n",
key->key_idx, keyidx, priv);
return -6;
}
if (!key->key_set) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "CCMP: received packet from %pM with keyid=%d that does not have a configured key\n",
hdr->addr2, keyidx);
}
return -3;
}
pn[0] = pos[7];
pn[1] = pos[6];
pn[2] = pos[5];
pn[3] = pos[4];
pn[4] = pos[1];
pn[5] = pos[0];
pos += 8;
if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "CCMP: replay detected: STA=%pM previous PN %pm received PN %pm\n",
hdr->addr2, key->rx_pn, pn);
}
key->dot11RSNAStatsCCMPReplays++;
return -4;
}
if (!tcb_desc->bHwSec) {
struct aead_request *req;
struct scatterlist sg[2];
u8 *aad = key->rx_aad;
u8 iv[AES_BLOCK_LEN];
int aad_len, ret;
size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN;
req = aead_request_alloc(key->tfm, GFP_ATOMIC);
if (!req)
return -ENOMEM;
aad_len = ccmp_init_iv_and_aad(hdr, pn, iv, aad);
sg_init_table(sg, 2);
sg_set_buf(&sg[0], aad, aad_len);
sg_set_buf(&sg[1], pos, data_len);
aead_request_set_callback(req, 0, NULL, NULL);
aead_request_set_ad(req, aad_len);
aead_request_set_crypt(req, sg, sg, data_len, iv);
ret = crypto_aead_decrypt(req);
aead_request_free(req);
if (ret) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "CCMP: decrypt failed: STA=%pM\n",
hdr->addr2);
}
key->dot11RSNAStatsCCMPDecryptErrors++;
return -5;
}
memcpy(key->rx_pn, pn, CCMP_PN_LEN);
}
/* Remove hdr and MIC */
memmove(skb->data + CCMP_HDR_LEN, skb->data, hdr_len);
skb_pull(skb, CCMP_HDR_LEN);
skb_trim(skb, skb->len - CCMP_MIC_LEN);
return keyidx;
}
static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
int keyidx;
struct crypto_aead *tfm = data->tfm;
keyidx = data->key_idx;
memset(data, 0, sizeof(*data));
data->key_idx = keyidx;
if (len == CCMP_TK_LEN) {
memcpy(data->key, key, CCMP_TK_LEN);
data->key_set = 1;
if (seq) {
data->rx_pn[0] = seq[5];
data->rx_pn[1] = seq[4];
data->rx_pn[2] = seq[3];
data->rx_pn[3] = seq[2];
data->rx_pn[4] = seq[1];
data->rx_pn[5] = seq[0];
}
if (crypto_aead_setauthsize(tfm, CCMP_MIC_LEN) ||
crypto_aead_setkey(tfm, data->key, CCMP_TK_LEN))
return -1;
} else if (len == 0) {
data->key_set = 0;
} else {
return -1;
}
return 0;
}
static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
if (len < CCMP_TK_LEN)
return 0;
if (!data->key_set)
return 0;
memcpy(key, data->key, CCMP_TK_LEN);
if (seq) {
seq[0] = data->tx_pn[5];
seq[1] = data->tx_pn[4];
seq[2] = data->tx_pn[3];
seq[3] = data->tx_pn[2];
seq[4] = data->tx_pn[1];
seq[5] = data->tx_pn[0];
}
return CCMP_TK_LEN;
}
static char *ieee80211_ccmp_print_stats(char *p, void *priv)
{
struct ieee80211_ccmp_data *ccmp = priv;
p += sprintf(p, "key[%d] alg=CCMP key_set=%d tx_pn=%pm rx_pn=%pm format_errors=%d replays=%d decrypt_errors=%d\n",
ccmp->key_idx, ccmp->key_set,
ccmp->tx_pn, ccmp->rx_pn,
ccmp->dot11RSNAStatsCCMPFormatErrors,
ccmp->dot11RSNAStatsCCMPReplays,
ccmp->dot11RSNAStatsCCMPDecryptErrors);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.name = "CCMP",
.init = ieee80211_ccmp_init,
.deinit = ieee80211_ccmp_deinit,
.encrypt_mpdu = ieee80211_ccmp_encrypt,
.decrypt_mpdu = ieee80211_ccmp_decrypt,
.encrypt_msdu = NULL,
.decrypt_msdu = NULL,
.set_key = ieee80211_ccmp_set_key,
.get_key = ieee80211_ccmp_get_key,
.print_stats = ieee80211_ccmp_print_stats,
.extra_prefix_len = CCMP_HDR_LEN,
.extra_postfix_len = CCMP_MIC_LEN,
.owner = THIS_MODULE,
};
int __init ieee80211_crypto_ccmp_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp);
}
void ieee80211_crypto_ccmp_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c |
// SPDX-License-Identifier: GPL-2.0
/* IEEE 802.11 SoftMAC layer
* Copyright (c) 2005 Andrea Merello <[email protected]>
*
* Mostly extracted from the rtl8180-sa2400 driver for the
* in-kernel generic ieee802.11 stack.
*
* Few lines might be stolen from other part of the ieee80211
* stack. Copyright who own it's copyright
*
* WPA code stolen from the ipw2200 driver.
* Copyright who own it's copyright.
*/
#include "ieee80211.h"
#include <linux/random.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/etherdevice.h>
#include "dot11d.h"
short ieee80211_is_54g(const struct ieee80211_network *net)
{
return (net->rates_ex_len > 0) || (net->rates_len > 4);
}
EXPORT_SYMBOL(ieee80211_is_54g);
short ieee80211_is_shortslot(const struct ieee80211_network *net)
{
return net->capability & WLAN_CAPABILITY_SHORT_SLOT;
}
EXPORT_SYMBOL(ieee80211_is_shortslot);
/* returns the total length needed for placing the RATE MFIE
* tag and the EXTENDED RATE MFIE tag if needed.
* It includes two bytes per tag for the tag itself and its len
*/
static unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee)
{
unsigned int rate_len = 0;
if (ieee->modulation & IEEE80211_CCK_MODULATION)
rate_len = IEEE80211_CCK_RATE_LEN + 2;
if (ieee->modulation & IEEE80211_OFDM_MODULATION)
rate_len += IEEE80211_OFDM_RATE_LEN + 2;
return rate_len;
}
/* place the MFIE rate, tag to the memory (double) pointer.
* Then it updates the pointer so that
* it points after the new MFIE tag added.
*/
static void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
if (ieee->modulation & IEEE80211_CCK_MODULATION) {
*tag++ = MFIE_TYPE_RATES;
*tag++ = 4;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
}
/* We may add an option for custom rates that specific HW might support */
*tag_p = tag;
}
static void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
*tag++ = MFIE_TYPE_RATES_EX;
*tag++ = 8;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
}
/* We may add an option for custom rates that specific HW might support */
*tag_p = tag;
}
static void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
*tag++ = MFIE_TYPE_GENERIC; /* 0 */
*tag++ = 7;
*tag++ = 0x00;
*tag++ = 0x50;
*tag++ = 0xf2;
*tag++ = 0x02; /* 5 */
*tag++ = 0x00;
*tag++ = 0x01;
#ifdef SUPPORT_USPD
if (ieee->current_network.wmm_info & 0x80)
*tag++ = 0x0f | MAX_SP_Len;
else
*tag++ = MAX_SP_Len;
#else
*tag++ = MAX_SP_Len;
#endif
*tag_p = tag;
}
#ifdef THOMAS_TURBO
static void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
*tag++ = MFIE_TYPE_GENERIC; /* 0 */
*tag++ = 7;
*tag++ = 0x00;
*tag++ = 0xe0;
*tag++ = 0x4c;
*tag++ = 0x01; /* 5 */
*tag++ = 0x02;
*tag++ = 0x11;
*tag++ = 0x00;
*tag_p = tag;
netdev_alert(ieee->dev, "This is enable turbo mode IE process\n");
}
#endif
static void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb)
{
int nh;
nh = (ieee->mgmt_queue_head + 1) % MGMT_QUEUE_NUM;
/*
* if the queue is full but we have newer frames then
* just overwrites the oldest.
*
* if (nh == ieee->mgmt_queue_tail)
* return -1;
*/
ieee->mgmt_queue_head = nh;
ieee->mgmt_queue_ring[nh] = skb;
//return 0;
}
static struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee)
{
struct sk_buff *ret;
if (ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
return NULL;
ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
ieee->mgmt_queue_tail =
(ieee->mgmt_queue_tail + 1) % MGMT_QUEUE_NUM;
return ret;
}
static void init_mgmt_queue(struct ieee80211_device *ieee)
{
ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
}
static u8 MgntQuery_MgntFrameTxRate(struct ieee80211_device *ieee)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
u8 rate;
/* 2008/01/25 MH For broadcom, MGNT frame set as OFDM 6M. */
if (pHTInfo->IOTAction & HT_IOT_ACT_MGNT_USE_CCK_6M)
rate = 0x0c;
else
rate = ieee->basic_rate & 0x7f;
if (rate == 0) {
/* 2005.01.26, by rcnjko. */
if (ieee->mode == IEEE_A ||
ieee->mode == IEEE_N_5G ||
(ieee->mode == IEEE_N_24G && !pHTInfo->bCurSuppCCK))
rate = 0x0c;
else
rate = 0x02;
}
/*
// Data rate of ProbeReq is already decided. Annie, 2005-03-31
if( pMgntInfo->bScanInProgress || (pMgntInfo->bDualModeScanStep!=0) ) {
if(pMgntInfo->dot11CurrentWirelessMode==WIRELESS_MODE_A)
rate = 0x0c;
else
rate = 0x02;
}
*/
return rate;
}
void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
{
unsigned long flags;
short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
struct rtl_80211_hdr_3addr *header =
(struct rtl_80211_hdr_3addr *)skb->data;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
spin_lock_irqsave(&ieee->lock, flags);
/* called with 2nd param 0, no mgmt lock required */
ieee80211_sta_wakeup(ieee, 0);
tcb_desc->queue_index = MGNT_QUEUE;
tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
if (single) {
if (ieee->queue_stop) {
enqueue_mgmt(ieee, skb);
} else {
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
/* avoid watchdog triggers */
netif_trans_update(ieee->dev);
ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate);
//dev_kfree_skb_any(skb);//edit by thomas
}
spin_unlock_irqrestore(&ieee->lock, flags);
} else {
spin_unlock_irqrestore(&ieee->lock, flags);
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
/* check whether the managed packet queued greater than 5 */
if (!ieee->check_nic_enough_desc(ieee->dev, tcb_desc->queue_index) || \
(skb_queue_len(&ieee->skb_waitQ[tcb_desc->queue_index]) != 0) || \
(ieee->queue_stop)) {
/* insert the skb packet to the management queue */
/* as for the completion function, it does not need
* to check it any more.
* */
printk("%s():insert to waitqueue!\n", __func__);
skb_queue_tail(&ieee->skb_waitQ[tcb_desc->queue_index], skb);
} else {
ieee->softmac_hard_start_xmit(skb, ieee->dev);
//dev_kfree_skb_any(skb);//edit by thomas
}
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
}
}
static inline void
softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
{
short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
struct rtl_80211_hdr_3addr *header =
(struct rtl_80211_hdr_3addr *)skb->data;
if (single) {
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
/* avoid watchdog triggers */
netif_trans_update(ieee->dev);
ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate);
} else {
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
ieee->softmac_hard_start_xmit(skb, ieee->dev);
}
//dev_kfree_skb_any(skb);//edit by thomas
}
static inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
{
unsigned int len, rate_len;
u8 *tag;
struct sk_buff *skb;
struct ieee80211_probe_request *req;
len = ieee->current_network.ssid_len;
rate_len = ieee80211_MFIE_rate_len(ieee);
skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) +
2 + len + rate_len + ieee->tx_headroom);
if (!skb)
return NULL;
skb_reserve(skb, ieee->tx_headroom);
req = skb_put(skb, sizeof(struct ieee80211_probe_request));
req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
req->header.duration_id = 0; /* FIXME: is this OK? */
eth_broadcast_addr(req->header.addr1);
memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
eth_broadcast_addr(req->header.addr3);
tag = skb_put(skb, len + 2 + rate_len);
*tag++ = MFIE_TYPE_SSID;
*tag++ = len;
memcpy(tag, ieee->current_network.ssid, len);
tag += len;
ieee80211_MFIE_Brate(ieee, &tag);
ieee80211_MFIE_Grate(ieee, &tag);
return skb;
}
struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
static void ieee80211_send_beacon(struct ieee80211_device *ieee)
{
struct sk_buff *skb;
if (!ieee->ieee_up)
return;
//unsigned long flags;
skb = ieee80211_get_beacon_(ieee);
if (skb) {
softmac_mgmt_xmit(skb, ieee);
ieee->softmac_stats.tx_beacons++;
//dev_kfree_skb_any(skb);//edit by thomas
}
// ieee->beacon_timer.expires = jiffies +
// (MSECS( ieee->current_network.beacon_interval -5));
//spin_lock_irqsave(&ieee->beacon_lock,flags);
if (ieee->beacon_txing && ieee->ieee_up) {
// if(!timer_pending(&ieee->beacon_timer))
// add_timer(&ieee->beacon_timer);
mod_timer(&ieee->beacon_timer,
jiffies + msecs_to_jiffies(ieee->current_network.beacon_interval - 5));
}
//spin_unlock_irqrestore(&ieee->beacon_lock,flags);
}
static void ieee80211_send_beacon_cb(struct timer_list *t)
{
struct ieee80211_device *ieee =
from_timer(ieee, t, beacon_timer);
unsigned long flags;
spin_lock_irqsave(&ieee->beacon_lock, flags);
ieee80211_send_beacon(ieee);
spin_unlock_irqrestore(&ieee->beacon_lock, flags);
}
static void ieee80211_send_probe(struct ieee80211_device *ieee)
{
struct sk_buff *skb;
skb = ieee80211_probe_req(ieee);
if (skb) {
softmac_mgmt_xmit(skb, ieee);
ieee->softmac_stats.tx_probe_rq++;
//dev_kfree_skb_any(skb);//edit by thomas
}
}
static void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
{
if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)) {
ieee80211_send_probe(ieee);
ieee80211_send_probe(ieee);
}
}
/* this performs syncro scan blocking the caller until all channels
* in the allowed channel map has been checked.
*/
void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee)
{
short ch = 0;
u8 channel_map[MAX_CHANNEL_NUMBER + 1];
memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER + 1);
mutex_lock(&ieee->scan_mutex);
while (1) {
do {
ch++;
if (ch > MAX_CHANNEL_NUMBER)
goto out; /* scan completed */
} while (!channel_map[ch]);
/* this function can be called in two situations
* 1- We have switched to ad-hoc mode and we are
* performing a complete syncro scan before conclude
* there are no interesting cell and to create a
* new one. In this case the link state is
* IEEE80211_NOLINK until we found an interesting cell.
* If so the ieee8021_new_net, called by the RX path
* will set the state to IEEE80211_LINKED, so we stop
* scanning
* 2- We are linked and the root uses run iwlist scan.
* So we switch to IEEE80211_LINKED_SCANNING to remember
* that we are still logically linked (not interested in
* new network events, despite for updating the net list,
* but we are temporarily 'unlinked' as the driver shall
* not filter RX frames and the channel is changing.
* So the only situation in witch are interested is to check
* if the state become LINKED because of the #1 situation
*/
if (ieee->state == IEEE80211_LINKED)
goto out;
ieee->set_chan(ieee->dev, ch);
if (channel_map[ch] == 1)
ieee80211_send_probe_requests(ieee);
/* this prevent excessive time wait when we
* need to wait for a syncro scan to end..
*/
if (ieee->state >= IEEE80211_LINKED && ieee->sync_scan_hurryup)
goto out;
msleep_interruptible(IEEE80211_SOFTMAC_SCAN_TIME);
}
out:
if (ieee->state < IEEE80211_LINKED) {
ieee->actscanning = false;
mutex_unlock(&ieee->scan_mutex);
} else {
ieee->sync_scan_hurryup = 0;
if (IS_DOT11D_ENABLE(ieee))
dot11d_scan_complete(ieee);
mutex_unlock(&ieee->scan_mutex);
}
}
EXPORT_SYMBOL(ieee80211_softmac_scan_syncro);
static void ieee80211_softmac_scan_wq(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
static short watchdog;
u8 channel_map[MAX_CHANNEL_NUMBER + 1];
memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER + 1);
if (!ieee->ieee_up)
return;
mutex_lock(&ieee->scan_mutex);
do {
ieee->current_network.channel =
(ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
if (watchdog++ > MAX_CHANNEL_NUMBER) {
//if current channel is not in channel map, set to default channel.
if (!channel_map[ieee->current_network.channel]) {
ieee->current_network.channel = 6;
goto out; /* no good chans */
}
}
} while (!channel_map[ieee->current_network.channel]);
if (ieee->scanning == 0)
goto out;
ieee->set_chan(ieee->dev, ieee->current_network.channel);
if (channel_map[ieee->current_network.channel] == 1)
ieee80211_send_probe_requests(ieee);
schedule_delayed_work(&ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
mutex_unlock(&ieee->scan_mutex);
return;
out:
if (IS_DOT11D_ENABLE(ieee))
dot11d_scan_complete(ieee);
ieee->actscanning = false;
watchdog = 0;
ieee->scanning = 0;
mutex_unlock(&ieee->scan_mutex);
}
static void ieee80211_beacons_start(struct ieee80211_device *ieee)
{
unsigned long flags;
spin_lock_irqsave(&ieee->beacon_lock, flags);
ieee->beacon_txing = 1;
ieee80211_send_beacon(ieee);
spin_unlock_irqrestore(&ieee->beacon_lock, flags);
}
static void ieee80211_beacons_stop(struct ieee80211_device *ieee)
{
unsigned long flags;
spin_lock_irqsave(&ieee->beacon_lock, flags);
ieee->beacon_txing = 0;
spin_unlock_irqrestore(&ieee->beacon_lock, flags);
del_timer_sync(&ieee->beacon_timer);
}
void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
{
if (ieee->stop_send_beacons)
ieee->stop_send_beacons(ieee->dev);
if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
ieee80211_beacons_stop(ieee);
}
EXPORT_SYMBOL(ieee80211_stop_send_beacons);
void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
{
if (ieee->start_send_beacons)
ieee->start_send_beacons(ieee->dev, ieee->basic_rate);
if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
ieee80211_beacons_start(ieee);
}
EXPORT_SYMBOL(ieee80211_start_send_beacons);
static void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
{
// unsigned long flags;
//ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->scan_mutex);
// spin_lock_irqsave(&ieee->lock, flags);
if (ieee->scanning == 1) {
ieee->scanning = 0;
cancel_delayed_work(&ieee->softmac_scan_wq);
}
// spin_unlock_irqrestore(&ieee->lock, flags);
mutex_unlock(&ieee->scan_mutex);
}
void ieee80211_stop_scan(struct ieee80211_device *ieee)
{
if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
ieee80211_softmac_stop_scan(ieee);
else
ieee->stop_scan(ieee->dev);
}
EXPORT_SYMBOL(ieee80211_stop_scan);
/* called with ieee->lock held */
static void ieee80211_start_scan(struct ieee80211_device *ieee)
{
if (IS_DOT11D_ENABLE(ieee)) {
if (IS_COUNTRY_IE_VALID(ieee))
RESET_CIE_WATCHDOG(ieee);
}
if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
if (ieee->scanning == 0) {
ieee->scanning = 1;
schedule_delayed_work(&ieee->softmac_scan_wq, 0);
}
} else {
ieee->start_scan(ieee->dev);
}
}
/* called with wx_mutex held */
void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
{
if (IS_DOT11D_ENABLE(ieee)) {
if (IS_COUNTRY_IE_VALID(ieee))
RESET_CIE_WATCHDOG(ieee);
}
ieee->sync_scan_hurryup = 0;
if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
ieee80211_softmac_scan_syncro(ieee);
else
ieee->scan_syncro(ieee->dev);
}
EXPORT_SYMBOL(ieee80211_start_scan_syncro);
static inline struct sk_buff *
ieee80211_authentication_req(struct ieee80211_network *beacon,
struct ieee80211_device *ieee, int challengelen)
{
struct sk_buff *skb;
struct ieee80211_authentication *auth;
int len = sizeof(struct ieee80211_authentication) + challengelen + ieee->tx_headroom;
skb = dev_alloc_skb(len);
if (!skb)
return NULL;
skb_reserve(skb, ieee->tx_headroom);
auth = skb_put(skb, sizeof(struct ieee80211_authentication));
if (challengelen)
auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH
| IEEE80211_FCTL_WEP);
else
auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
auth->header.duration_id = cpu_to_le16(0x013a);
memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN);
memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN);
//auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
if (ieee->auth_mode == 0)
auth->algorithm = WLAN_AUTH_OPEN;
else if (ieee->auth_mode == 1)
auth->algorithm = cpu_to_le16(WLAN_AUTH_SHARED_KEY);
else if (ieee->auth_mode == 2)
auth->algorithm = WLAN_AUTH_OPEN; /* 0x80; */
printk("=================>%s():auth->algorithm is %d\n", __func__, auth->algorithm);
auth->transaction = cpu_to_le16(ieee->associate_seq);
ieee->associate_seq++;
auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
return skb;
}
static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
{
u8 *tag;
int beacon_size;
struct ieee80211_probe_response *beacon_buf;
struct sk_buff *skb = NULL;
int encrypt;
int atim_len, erp_len;
struct ieee80211_crypt_data *crypt;
char *ssid = ieee->current_network.ssid;
int ssid_len = ieee->current_network.ssid_len;
int rate_len = ieee->current_network.rates_len + 2;
int rate_ex_len = ieee->current_network.rates_ex_len;
int wpa_ie_len = ieee->wpa_ie_len;
u8 erpinfo_content = 0;
u8 *tmp_ht_cap_buf;
u8 tmp_ht_cap_len = 0;
u8 *tmp_ht_info_buf;
u8 tmp_ht_info_len = 0;
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
u8 *tmp_generic_ie_buf = NULL;
u8 tmp_generic_ie_len = 0;
if (rate_ex_len > 0)
rate_ex_len += 2;
if (ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
atim_len = 4;
else
atim_len = 0;
if (ieee80211_is_54g(&ieee->current_network))
erp_len = 3;
else
erp_len = 0;
crypt = ieee->crypt[ieee->tx_keyidx];
encrypt = ieee->host_encrypt && crypt && crypt->ops &&
((0 == strcmp(crypt->ops->name, "WEP") || wpa_ie_len));
/* HT ralated element */
tmp_ht_cap_buf = (u8 *)&ieee->pHTInfo->SelfHTCap;
tmp_ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
tmp_ht_info_buf = (u8 *)&ieee->pHTInfo->SelfHTInfo;
tmp_ht_info_len = sizeof(ieee->pHTInfo->SelfHTInfo);
HTConstructCapabilityElement(ieee, tmp_ht_cap_buf, &tmp_ht_cap_len, encrypt);
HTConstructInfoElement(ieee, tmp_ht_info_buf, &tmp_ht_info_len, encrypt);
if (pHTInfo->bRegRT2RTAggregation) {
tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
tmp_generic_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
HTConstructRT2RTAggElement(ieee, tmp_generic_ie_buf, &tmp_generic_ie_len);
}
// printk("===============>tmp_ht_cap_len is %d,tmp_ht_info_len is %d, tmp_generic_ie_len is %d\n",tmp_ht_cap_len,tmp_ht_info_len,tmp_generic_ie_len);
beacon_size = sizeof(struct ieee80211_probe_response) + 2
+ ssid_len
+ 3 //channel
+ rate_len
+ rate_ex_len
+ atim_len
+ erp_len
+ wpa_ie_len
// + tmp_ht_cap_len
// + tmp_ht_info_len
// + tmp_generic_ie_len
// + wmm_len+2
+ ieee->tx_headroom;
skb = dev_alloc_skb(beacon_size);
if (!skb)
return NULL;
skb_reserve(skb, ieee->tx_headroom);
beacon_buf = skb_put(skb, (beacon_size - ieee->tx_headroom));
memcpy(beacon_buf->header.addr1, dest, ETH_ALEN);
memcpy(beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN);
beacon_buf->header.duration_id = 0; /* FIXME */
beacon_buf->beacon_interval =
cpu_to_le16(ieee->current_network.beacon_interval);
beacon_buf->capability =
cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS);
beacon_buf->capability |=
cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE); /* add short preamble here */
if (ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
if (encrypt)
beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP);
beacon_buf->info_element[0].id = MFIE_TYPE_SSID;
beacon_buf->info_element[0].len = ssid_len;
tag = (u8 *)beacon_buf->info_element[0].data;
memcpy(tag, ssid, ssid_len);
tag += ssid_len;
*(tag++) = MFIE_TYPE_RATES;
*(tag++) = rate_len - 2;
memcpy(tag, ieee->current_network.rates, rate_len - 2);
tag += rate_len - 2;
*(tag++) = MFIE_TYPE_DS_SET;
*(tag++) = 1;
*(tag++) = ieee->current_network.channel;
if (atim_len) {
*(tag++) = MFIE_TYPE_IBSS_SET;
*(tag++) = 2;
put_unaligned_le16(ieee->current_network.atim_window,
tag);
tag += 2;
}
if (erp_len) {
*(tag++) = MFIE_TYPE_ERP;
*(tag++) = 1;
*(tag++) = erpinfo_content;
}
if (rate_ex_len) {
*(tag++) = MFIE_TYPE_RATES_EX;
*(tag++) = rate_ex_len - 2;
memcpy(tag, ieee->current_network.rates_ex, rate_ex_len - 2);
tag += rate_ex_len - 2;
}
if (wpa_ie_len) {
if (ieee->iw_mode == IW_MODE_ADHOC) {
//as Windows will set pairwise key same as the group key which is not allowed in Linux, so set this for IOT issue. WB 2008.07.07
memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4);
}
memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
tag += wpa_ie_len;
}
//skb->dev = ieee->dev;
return skb;
}
static struct sk_buff *ieee80211_assoc_resp(struct ieee80211_device *ieee,
u8 *dest)
{
struct sk_buff *skb;
u8 *tag;
struct ieee80211_crypt_data *crypt;
struct ieee80211_assoc_response_frame *assoc;
short encrypt;
unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len + ieee->tx_headroom;
skb = dev_alloc_skb(len);
if (!skb)
return NULL;
skb_reserve(skb, ieee->tx_headroom);
assoc = skb_put(skb, sizeof(struct ieee80211_assoc_response_frame));
assoc->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP);
memcpy(assoc->header.addr1, dest, ETH_ALEN);
memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS);
if (ieee->short_slot)
assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
if (ieee->host_encrypt)
crypt = ieee->crypt[ieee->tx_keyidx];
else
crypt = NULL;
encrypt = crypt && crypt->ops;
if (encrypt)
assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
assoc->status = 0;
assoc->aid = cpu_to_le16(ieee->assoc_id);
if (ieee->assoc_id == 0x2007)
ieee->assoc_id = 0;
else
ieee->assoc_id++;
tag = skb_put(skb, rate_len);
ieee80211_MFIE_Brate(ieee, &tag);
ieee80211_MFIE_Grate(ieee, &tag);
return skb;
}
static struct sk_buff *ieee80211_auth_resp(struct ieee80211_device *ieee,
int status, u8 *dest)
{
struct sk_buff *skb;
struct ieee80211_authentication *auth;
int len = ieee->tx_headroom + sizeof(struct ieee80211_authentication) + 1;
skb = dev_alloc_skb(len);
if (!skb)
return NULL;
skb->len = sizeof(struct ieee80211_authentication);
auth = (struct ieee80211_authentication *)skb->data;
auth->status = cpu_to_le16(status);
auth->transaction = cpu_to_le16(2);
auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(auth->header.addr1, dest, ETH_ALEN);
auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
return skb;
}
static struct sk_buff *ieee80211_null_func(struct ieee80211_device *ieee,
short pwr)
{
struct sk_buff *skb;
struct rtl_80211_hdr_3addr *hdr;
skb = dev_alloc_skb(sizeof(struct rtl_80211_hdr_3addr));
if (!skb)
return NULL;
hdr = skb_put(skb, sizeof(struct rtl_80211_hdr_3addr));
memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN);
memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN);
hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS |
(pwr ? IEEE80211_FCTL_PM : 0));
return skb;
}
static void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8 *dest)
{
struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
if (buf)
softmac_mgmt_xmit(buf, ieee);
}
static void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s,
u8 *dest)
{
struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest);
if (buf)
softmac_mgmt_xmit(buf, ieee);
}
static void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
{
struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
if (buf)
softmac_mgmt_xmit(buf, ieee);
}
static inline struct sk_buff *
ieee80211_association_req(struct ieee80211_network *beacon,
struct ieee80211_device *ieee)
{
struct sk_buff *skb;
//unsigned long flags;
struct ieee80211_assoc_request_frame *hdr;
u8 *tag;//,*rsn_ie;
//short info_addr = 0;
//int i;
//u16 suite_count = 0;
//u8 suit_select = 0;
//unsigned int wpa_len = beacon->wpa_ie_len;
//for HT
u8 *ht_cap_buf = NULL;
u8 ht_cap_len = 0;
u8 *realtek_ie_buf = NULL;
u8 realtek_ie_len = 0;
int wpa_ie_len = ieee->wpa_ie_len;
unsigned int ckip_ie_len = 0;
unsigned int ccxrm_ie_len = 0;
unsigned int cxvernum_ie_len = 0;
struct ieee80211_crypt_data *crypt;
int encrypt;
unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
unsigned int wmm_info_len = beacon->qos_data.supported ? 9 : 0;
#ifdef THOMAS_TURBO
unsigned int turbo_info_len = beacon->Turbo_Enable ? 9 : 0;
#endif
int len = 0;
crypt = ieee->crypt[ieee->tx_keyidx];
encrypt = ieee->host_encrypt && crypt && crypt->ops && ((0 == strcmp(crypt->ops->name, "WEP") || wpa_ie_len));
/* Include High Throuput capability && Realtek proprietary */
if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
ht_cap_buf = (u8 *)&ieee->pHTInfo->SelfHTCap;
ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
HTConstructCapabilityElement(ieee, ht_cap_buf, &ht_cap_len, encrypt);
if (ieee->pHTInfo->bCurrentRT2RTAggregation) {
realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
realtek_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
HTConstructRT2RTAggElement(ieee, realtek_ie_buf, &realtek_ie_len);
}
}
if (ieee->qos_support)
wmm_info_len = beacon->qos_data.supported ? 9 : 0;
if (beacon->bCkipSupported)
ckip_ie_len = 30 + 2;
if (beacon->bCcxRmEnable)
ccxrm_ie_len = 6 + 2;
if (beacon->BssCcxVerNumber >= 2)
cxvernum_ie_len = 5 + 2;
#ifdef THOMAS_TURBO
len = sizeof(struct ieee80211_assoc_request_frame) + 2
+ beacon->ssid_len /* essid tagged val */
+ rate_len /* rates tagged val */
+ wpa_ie_len
+ wmm_info_len
+ turbo_info_len
+ ht_cap_len
+ realtek_ie_len
+ ckip_ie_len
+ ccxrm_ie_len
+ cxvernum_ie_len
+ ieee->tx_headroom;
#else
len = sizeof(struct ieee80211_assoc_request_frame) + 2
+ beacon->ssid_len /* essid tagged val */
+ rate_len /* rates tagged val */
+ wpa_ie_len
+ wmm_info_len
+ ht_cap_len
+ realtek_ie_len
+ ckip_ie_len
+ ccxrm_ie_len
+ cxvernum_ie_len
+ ieee->tx_headroom;
#endif
skb = dev_alloc_skb(len);
if (!skb)
return NULL;
skb_reserve(skb, ieee->tx_headroom);
hdr = skb_put(skb, sizeof(struct ieee80211_assoc_request_frame) + 2);
hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ;
hdr->header.duration_id = cpu_to_le16(37);
memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN);
memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);//for HW security, John
hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS);
if (beacon->capability & WLAN_CAPABILITY_PRIVACY)
hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE); //add short_preamble here
if (ieee->short_slot)
hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
if (wmm_info_len) //QOS
hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_QOS);
hdr->listen_interval = cpu_to_le16(0xa);
hdr->info_element[0].id = MFIE_TYPE_SSID;
hdr->info_element[0].len = beacon->ssid_len;
skb_put_data(skb, beacon->ssid, beacon->ssid_len);
tag = skb_put(skb, rate_len);
ieee80211_MFIE_Brate(ieee, &tag);
ieee80211_MFIE_Grate(ieee, &tag);
// For CCX 1 S13, CKIP. Added by Annie, 2006-08-14.
if (beacon->bCkipSupported) {
static u8 AironetIeOui[] = {0x00, 0x01, 0x66}; // "4500-client"
u8 CcxAironetBuf[30];
struct octet_string osCcxAironetIE;
memset(CcxAironetBuf, 0, 30);
osCcxAironetIE.octet = CcxAironetBuf;
osCcxAironetIE.length = sizeof(CcxAironetBuf);
//
// Ref. CCX test plan v3.61, 3.2.3.1 step 13.
// We want to make the device type as "4500-client". 060926, by CCW.
//
memcpy(osCcxAironetIE.octet, AironetIeOui, sizeof(AironetIeOui));
// CCX1 spec V1.13, A01.1 CKIP Negotiation (page23):
// "The CKIP negotiation is started with the associate request from the client to the access point,
// containing an Aironet element with both the MIC and KP bits set."
osCcxAironetIE.octet[IE_CISCO_FLAG_POSITION] |= (SUPPORT_CKIP_PK | SUPPORT_CKIP_MIC);
tag = skb_put(skb, ckip_ie_len);
*tag++ = MFIE_TYPE_AIRONET;
*tag++ = osCcxAironetIE.length;
memcpy(tag, osCcxAironetIE.octet, osCcxAironetIE.length);
tag += osCcxAironetIE.length;
}
if (beacon->bCcxRmEnable) {
static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00};
struct octet_string osCcxRmCap;
osCcxRmCap.octet = CcxRmCapBuf;
osCcxRmCap.length = sizeof(CcxRmCapBuf);
tag = skb_put(skb, ccxrm_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = osCcxRmCap.length;
memcpy(tag, osCcxRmCap.octet, osCcxRmCap.length);
tag += osCcxRmCap.length;
}
if (beacon->BssCcxVerNumber >= 2) {
u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
struct octet_string osCcxVerNum;
CcxVerNumBuf[4] = beacon->BssCcxVerNumber;
osCcxVerNum.octet = CcxVerNumBuf;
osCcxVerNum.length = sizeof(CcxVerNumBuf);
tag = skb_put(skb, cxvernum_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = osCcxVerNum.length;
memcpy(tag, osCcxVerNum.octet, osCcxVerNum.length);
tag += osCcxVerNum.length;
}
//HT cap element
if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
if (ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC) {
tag = skb_put(skb, ht_cap_len);
*tag++ = MFIE_TYPE_HT_CAP;
*tag++ = ht_cap_len - 2;
memcpy(tag, ht_cap_buf, ht_cap_len - 2);
tag += ht_cap_len - 2;
}
}
//choose what wpa_supplicant gives to associate.
if (wpa_ie_len)
skb_put_data(skb, ieee->wpa_ie, wpa_ie_len);
if (wmm_info_len) {
tag = skb_put(skb, wmm_info_len);
ieee80211_WMM_Info(ieee, &tag);
}
#ifdef THOMAS_TURBO
if (turbo_info_len) {
tag = skb_put(skb, turbo_info_len);
ieee80211_TURBO_Info(ieee, &tag);
}
#endif
if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
if (ieee->pHTInfo->ePeerHTSpecVer == HT_SPEC_VER_EWC) {
tag = skb_put(skb, ht_cap_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = ht_cap_len - 2;
memcpy(tag, ht_cap_buf, ht_cap_len - 2);
tag += ht_cap_len - 2;
}
if (ieee->pHTInfo->bCurrentRT2RTAggregation) {
tag = skb_put(skb, realtek_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = realtek_ie_len - 2;
memcpy(tag, realtek_ie_buf, realtek_ie_len - 2);
}
}
// printk("<=====%s(), %p, %p\n", __func__, ieee->dev, ieee->dev->dev_addr);
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
return skb;
}
void ieee80211_associate_abort(struct ieee80211_device *ieee)
{
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
ieee->associate_seq++;
/* don't scan, and avoid having the RX path possibly
* try again to associate. Even do not react to AUTH or
* ASSOC response. Just wait for the retry wq to be scheduled.
* Here we will check if there are good nets to associate
* with, so we retry or just get back to NO_LINK and scanning
*/
if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING) {
IEEE80211_DEBUG_MGMT("Authentication failed\n");
ieee->softmac_stats.no_auth_rs++;
} else {
IEEE80211_DEBUG_MGMT("Association failed\n");
ieee->softmac_stats.no_ass_rs++;
}
ieee->state = IEEE80211_ASSOCIATING_RETRY;
schedule_delayed_work(&ieee->associate_retry_wq, \
IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
spin_unlock_irqrestore(&ieee->lock, flags);
}
static void ieee80211_associate_abort_cb(struct timer_list *t)
{
struct ieee80211_device *dev = from_timer(dev, t, associate_timer);
ieee80211_associate_abort(dev);
}
static void ieee80211_associate_step1(struct ieee80211_device *ieee)
{
struct ieee80211_network *beacon = &ieee->current_network;
struct sk_buff *skb;
IEEE80211_DEBUG_MGMT("Stopping scan\n");
ieee->softmac_stats.tx_auth_rq++;
skb = ieee80211_authentication_req(beacon, ieee, 0);
if (!skb) {
ieee80211_associate_abort(ieee);
} else {
ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING;
IEEE80211_DEBUG_MGMT("Sending authentication request\n");
softmac_mgmt_xmit(skb, ieee);
//BUGON when you try to add_timer twice, using mod_timer may be better, john0709
if (!timer_pending(&ieee->associate_timer)) {
ieee->associate_timer.expires = jiffies + (HZ / 2);
add_timer(&ieee->associate_timer);
}
//dev_kfree_skb_any(skb);//edit by thomas
}
}
static void ieee80211_auth_challenge(struct ieee80211_device *ieee,
u8 *challenge,
int chlen)
{
u8 *c;
struct sk_buff *skb;
struct ieee80211_network *beacon = &ieee->current_network;
// int hlen = sizeof(struct ieee80211_authentication);
ieee->associate_seq++;
ieee->softmac_stats.tx_auth_rq++;
skb = ieee80211_authentication_req(beacon, ieee, chlen + 2);
if (!skb) {
ieee80211_associate_abort(ieee);
} else {
c = skb_put(skb, chlen + 2);
*(c++) = MFIE_TYPE_CHALLENGE;
*(c++) = chlen;
memcpy(c, challenge, chlen);
IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n");
ieee80211_encrypt_fragment(ieee, skb, sizeof(struct rtl_80211_hdr_3addr));
softmac_mgmt_xmit(skb, ieee);
mod_timer(&ieee->associate_timer, jiffies + (HZ / 2));
//dev_kfree_skb_any(skb);//edit by thomas
}
kfree(challenge);
}
static void ieee80211_associate_step2(struct ieee80211_device *ieee)
{
struct sk_buff *skb;
struct ieee80211_network *beacon = &ieee->current_network;
del_timer_sync(&ieee->associate_timer);
IEEE80211_DEBUG_MGMT("Sending association request\n");
ieee->softmac_stats.tx_ass_rq++;
skb = ieee80211_association_req(beacon, ieee);
if (!skb) {
ieee80211_associate_abort(ieee);
} else {
softmac_mgmt_xmit(skb, ieee);
mod_timer(&ieee->associate_timer, jiffies + (HZ / 2));
//dev_kfree_skb_any(skb);//edit by thomas
}
}
static void ieee80211_associate_complete_wq(struct work_struct *work)
{
struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
netdev_info(ieee->dev, "Associated successfully\n");
if (ieee80211_is_54g(&ieee->current_network) &&
(ieee->modulation & IEEE80211_OFDM_MODULATION)) {
ieee->rate = 108;
netdev_info(ieee->dev, "Using G rates:%d\n", ieee->rate);
} else {
ieee->rate = 22;
netdev_info(ieee->dev, "Using B rates:%d\n", ieee->rate);
}
if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
printk("Successfully associated, ht enabled\n");
HTOnAssocRsp(ieee);
} else {
printk("Successfully associated, ht not enabled(%d, %d)\n", ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bEnableHT);
memset(ieee->dot11HTOperationalRateSet, 0, 16);
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
}
ieee->LinkDetectInfo.SlotNum = 2 * (1 + ieee->current_network.beacon_interval / 500);
// To prevent the immediately calling watch_dog after association.
if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 || ieee->LinkDetectInfo.NumRecvDataInPeriod == 0) {
ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
ieee->LinkDetectInfo.NumRecvDataInPeriod = 1;
}
ieee->link_change(ieee->dev);
if (!ieee->is_silent_reset) {
printk("============>normal associate\n");
notify_wx_assoc_event(ieee);
} else {
printk("==================>silent reset associate\n");
ieee->is_silent_reset = false;
}
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
static void ieee80211_associate_complete(struct ieee80211_device *ieee)
{
// int i;
// struct net_device* dev = ieee->dev;
del_timer_sync(&ieee->associate_timer);
ieee->state = IEEE80211_LINKED;
//ieee->UpdateHalRATRTableHandler(dev, ieee->dot11HTOperationalRateSet);
schedule_work(&ieee->associate_complete_wq);
}
static void ieee80211_associate_procedure_wq(struct work_struct *work)
{
struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->wx_mutex);
if (ieee->data_hard_stop)
ieee->data_hard_stop(ieee->dev);
ieee80211_stop_scan(ieee);
printk("===>%s(), chan:%d\n", __func__, ieee->current_network.channel);
//ieee->set_chan(ieee->dev, ieee->current_network.channel);
HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
ieee->associate_seq = 1;
ieee80211_associate_step1(ieee);
mutex_unlock(&ieee->wx_mutex);
}
inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net)
{
u8 tmp_ssid[IW_ESSID_MAX_SIZE + 1];
int tmp_ssid_len = 0;
short apset, ssidset, ssidbroad, apmatch, ssidmatch;
/* we are interested in new only if we are not associated
* and we are not associating / authenticating
*/
if (ieee->state != IEEE80211_NOLINK)
return;
if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
return;
if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
return;
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
/* if the user specified the AP MAC, we need also the essid
* This could be obtained by beacons or, if the network does not
* broadcast it, it can be put manually.
*/
apset = ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 );
ssidset = ieee->ssid_set;//ieee->current_network.ssid[0] != '\0';
ssidbroad = !(net->ssid_len == 0 || net->ssid[0] == '\0');
apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN) == 0);
ssidmatch = (ieee->current_network.ssid_len == net->ssid_len) &&
(!strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
/* if the user set the AP check if match.
* if the network does not broadcast essid we check the user supplyed ANY essid
* if the network does broadcast and the user does not set essid it is OK
* if the network does broadcast and the user did set essid check if essid match
*/
if ((apset && apmatch &&
((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset))) ||
/* if the ap is not set, check that the user set the bssid
* and the network does broadcast and that those two bssid matches
*/
(!apset && ssidset && ssidbroad && ssidmatch)) {
/* if the essid is hidden replace it with the
* essid provided by the user.
*/
if (!ssidbroad) {
strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
tmp_ssid_len = ieee->current_network.ssid_len;
}
memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
ieee->current_network.ssid_len = tmp_ssid_len;
netdev_info(ieee->dev,
"Linking with %s,channel:%d, qos:%d, myHT:%d, networkHT:%d\n",
ieee->current_network.ssid,
ieee->current_network.channel,
ieee->current_network.qos_data.supported,
ieee->pHTInfo->bEnableHT,
ieee->current_network.bssht.bdSupportHT);
//ieee->pHTInfo->IOTAction = 0;
HTResetIOTSetting(ieee->pHTInfo);
if (ieee->iw_mode == IW_MODE_INFRA) {
/* Join the network for the first time */
ieee->AsocRetryCount = 0;
//for HT by amy 080514
if ((ieee->current_network.qos_data.supported == 1) &&
// (ieee->pHTInfo->bEnableHT && ieee->current_network.bssht.bdSupportHT))
ieee->current_network.bssht.bdSupportHT) {
/*WB, 2008.09.09:bCurrentHTSupport and bEnableHT two flags are going to put together to check whether we are in HT now, so needn't to check bEnableHT flags here. That's is to say we will set to HT support whenever joined AP has the ability to support HT. And whether we are in HT or not, please check bCurrentHTSupport&&bEnableHT now please.*/
// ieee->pHTInfo->bCurrentHTSupport = true;
HTResetSelfAndSavePeerSetting(ieee, &ieee->current_network);
} else {
ieee->pHTInfo->bCurrentHTSupport = false;
}
ieee->state = IEEE80211_ASSOCIATING;
schedule_work(&ieee->associate_procedure_wq);
} else {
if (ieee80211_is_54g(&ieee->current_network) &&
(ieee->modulation & IEEE80211_OFDM_MODULATION)) {
ieee->rate = 108;
ieee->SetWirelessMode(ieee->dev, IEEE_G);
netdev_info(ieee->dev,
"Using G rates\n");
} else {
ieee->rate = 22;
ieee->SetWirelessMode(ieee->dev, IEEE_B);
netdev_info(ieee->dev,
"Using B rates\n");
}
memset(ieee->dot11HTOperationalRateSet, 0, 16);
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
ieee->state = IEEE80211_LINKED;
}
}
}
}
void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
{
unsigned long flags;
struct ieee80211_network *target;
spin_lock_irqsave(&ieee->lock, flags);
list_for_each_entry(target, &ieee->network_list, list) {
/* if the state become different that NOLINK means
* we had found what we are searching for
*/
if (ieee->state != IEEE80211_NOLINK)
break;
if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies))
ieee80211_softmac_new_net(ieee, target);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
static inline int auth_parse(struct sk_buff *skb, u8 **challenge, int *chlen)
{
struct ieee80211_authentication *a;
u8 *t;
if (skb->len < (sizeof(struct ieee80211_authentication) - sizeof(struct ieee80211_info_element))) {
IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
return -EINVAL;
}
*challenge = NULL;
a = (struct ieee80211_authentication *)skb->data;
if (skb->len > (sizeof(struct ieee80211_authentication) + 3)) {
t = skb->data + sizeof(struct ieee80211_authentication);
if (*(t++) == MFIE_TYPE_CHALLENGE) {
*chlen = *(t++);
*challenge = kmemdup(t, *chlen, GFP_ATOMIC);
if (!*challenge)
return -ENOMEM;
}
}
if (a->status) {
IEEE80211_DEBUG_MGMT("auth_parse() failed\n");
return -EINVAL;
}
return 0;
}
static int auth_rq_parse(struct sk_buff *skb, u8 *dest)
{
struct ieee80211_authentication *a;
if (skb->len < (sizeof(struct ieee80211_authentication) - sizeof(struct ieee80211_info_element))) {
IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n", skb->len);
return -1;
}
a = (struct ieee80211_authentication *)skb->data;
memcpy(dest, a->header.addr2, ETH_ALEN);
if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
return WLAN_STATUS_SUCCESS;
}
static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src)
{
u8 *tag;
u8 *skbend;
u8 *ssid = NULL;
u8 ssidlen = 0;
struct rtl_80211_hdr_3addr *header =
(struct rtl_80211_hdr_3addr *)skb->data;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr))
return -1; /* corrupted */
memcpy(src, header->addr2, ETH_ALEN);
skbend = (u8 *)skb->data + skb->len;
tag = skb->data + sizeof(struct rtl_80211_hdr_3addr);
while (tag + 1 < skbend) {
if (*tag == 0) {
ssid = tag + 2;
ssidlen = *(tag + 1);
break;
}
tag++; /* point to the len field */
tag = tag + *(tag); /* point to the last data byte of the tag */
tag++; /* point to the next tag */
}
//IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src));
if (ssidlen == 0)
return 1;
if (!ssid)
return 1; /* ssid not found in tagged param */
return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
}
static int assoc_rq_parse(struct sk_buff *skb, u8 *dest)
{
struct ieee80211_assoc_request_frame *a;
if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) -
sizeof(struct ieee80211_info_element))) {
IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len);
return -1;
}
a = (struct ieee80211_assoc_request_frame *)skb->data;
memcpy(dest, a->header.addr2, ETH_ALEN);
return 0;
}
static inline u16 assoc_parse(struct ieee80211_device *ieee, struct sk_buff *skb, int *aid)
{
struct ieee80211_assoc_response_frame *response_head;
u16 status_code;
if (skb->len < sizeof(struct ieee80211_assoc_response_frame)) {
IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
return 0xcafe;
}
response_head = (struct ieee80211_assoc_response_frame *)skb->data;
*aid = le16_to_cpu(response_head->aid) & 0x3fff;
status_code = le16_to_cpu(response_head->status);
if ((status_code == WLAN_STATUS_ASSOC_DENIED_RATES ||
status_code == WLAN_STATUS_CAPS_UNSUPPORTED) &&
((ieee->mode == IEEE_G) &&
(ieee->current_network.mode == IEEE_N_24G) &&
(ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT - 1)))) {
ieee->pHTInfo->IOTAction |= HT_IOT_ACT_PURE_N_MODE;
} else {
ieee->AsocRetryCount = 0;
}
return le16_to_cpu(response_head->status);
}
static inline void
ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
u8 dest[ETH_ALEN];
//IEEE80211DMESG("Rx probe");
ieee->softmac_stats.rx_probe_rq++;
//DMESG("Dest is "MACSTR, MAC2STR(dest));
if (probe_rq_parse(ieee, skb, dest)) {
//IEEE80211DMESG("Was for me!");
ieee->softmac_stats.tx_probe_rs++;
ieee80211_resp_to_probe(ieee, dest);
}
}
static inline void
ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
u8 dest[ETH_ALEN];
int status;
//IEEE80211DMESG("Rx probe");
ieee->softmac_stats.rx_auth_rq++;
status = auth_rq_parse(skb, dest);
if (status != -1)
ieee80211_resp_to_auth(ieee, status, dest);
//DMESG("Dest is "MACSTR, MAC2STR(dest));
}
static inline void
ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
u8 dest[ETH_ALEN];
//unsigned long flags;
ieee->softmac_stats.rx_ass_rq++;
if (assoc_rq_parse(skb, dest) != -1)
ieee80211_resp_to_assoc_rq(ieee, dest);
netdev_info(ieee->dev, "New client associated: %pM\n", dest);
//FIXME
}
static void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee,
short pwr)
{
struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
if (buf)
softmac_ps_mgmt_xmit(buf, ieee);
}
/* EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame); */
static short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h,
u32 *time_l)
{
int timeout;
u8 dtim;
/*if(ieee->ps == IEEE80211_PS_DISABLED ||
ieee->iw_mode != IW_MODE_INFRA ||
ieee->state != IEEE80211_LINKED)
return 0;
*/
dtim = ieee->current_network.dtim_data;
if (!(dtim & IEEE80211_DTIM_VALID))
return 0;
timeout = ieee->current_network.beacon_interval; //should we use ps_timeout value or beacon_interval
ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
if (dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST) & ieee->ps))
return 2;
if (!time_after(jiffies,
dev_trans_start(ieee->dev) + msecs_to_jiffies(timeout)))
return 0;
if (!time_after(jiffies,
ieee->last_rx_ps_time + msecs_to_jiffies(timeout)))
return 0;
if ((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) &&
(ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
return 0;
if (time_l) {
*time_l = ieee->current_network.last_dtim_sta_time[0]
+ (ieee->current_network.beacon_interval
* ieee->current_network.dtim_period) * 1000;
}
if (time_h) {
*time_h = ieee->current_network.last_dtim_sta_time[1];
if (time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
*time_h += 1;
}
return 1;
}
static inline void ieee80211_sta_ps(struct work_struct *work)
{
struct ieee80211_device *ieee;
u32 th, tl;
short sleep;
unsigned long flags, flags2;
ieee = container_of(work, struct ieee80211_device, ps_task);
spin_lock_irqsave(&ieee->lock, flags);
if ((ieee->ps == IEEE80211_PS_DISABLED ||
ieee->iw_mode != IW_MODE_INFRA ||
ieee->state != IEEE80211_LINKED)) {
// #warning CHECK_LOCK_HERE
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
ieee80211_sta_wakeup(ieee, 1);
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
sleep = ieee80211_sta_ps_sleep(ieee, &th, &tl);
/* 2 wake, 1 sleep, 0 do nothing */
if (sleep == 0)
goto out;
if (sleep == 1) {
if (ieee->sta_sleep == 1) {
ieee->enter_sleep_state(ieee->dev, th, tl);
} else if (ieee->sta_sleep == 0) {
// printk("send null 1\n");
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
if (ieee->ps_is_queue_empty(ieee->dev)) {
ieee->sta_sleep = 2;
ieee->ps_request_tx_ack(ieee->dev);
ieee80211_sta_ps_send_null_frame(ieee, 1);
ieee->ps_th = th;
ieee->ps_tl = tl;
}
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
} else if (sleep == 2) {
//#warning CHECK_LOCK_HERE
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
ieee80211_sta_wakeup(ieee, 1);
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
out:
spin_unlock_irqrestore(&ieee->lock, flags);
}
void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
{
if (ieee->sta_sleep == 0) {
if (nl) {
printk("Warning: driver is probably failing to report TX ps error\n");
ieee->ps_request_tx_ack(ieee->dev);
ieee80211_sta_ps_send_null_frame(ieee, 0);
}
return;
}
if (ieee->sta_sleep == 1)
ieee->sta_wake_up(ieee->dev);
ieee->sta_sleep = 0;
if (nl) {
ieee->ps_request_tx_ack(ieee->dev);
ieee80211_sta_ps_send_null_frame(ieee, 0);
}
}
void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
{
unsigned long flags, flags2;
spin_lock_irqsave(&ieee->lock, flags);
if (ieee->sta_sleep == 2) {
/* Null frame with PS bit set */
if (success) {
ieee->sta_sleep = 1;
ieee->enter_sleep_state(ieee->dev, ieee->ps_th, ieee->ps_tl);
}
/* if the card report not success we can't be sure the AP
* has not RXed so we can't assume the AP believe us awake
*/
} else {
/* 21112005 - tx again null without PS bit if lost */
if ((ieee->sta_sleep == 0) && !success) {
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
ieee80211_sta_ps_send_null_frame(ieee, 0);
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
EXPORT_SYMBOL(ieee80211_ps_tx_ack);
static void ieee80211_process_action(struct ieee80211_device *ieee,
struct sk_buff *skb)
{
struct rtl_80211_hdr *header = (struct rtl_80211_hdr *)skb->data;
u8 *act = ieee80211_get_payload(header);
u8 tmp = 0;
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
if (!act) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "error to get payload of action frame\n");
return;
}
tmp = *act;
act++;
switch (tmp) {
case ACT_CAT_BA:
if (*act == ACT_ADDBAREQ)
ieee80211_rx_ADDBAReq(ieee, skb);
else if (*act == ACT_ADDBARSP)
ieee80211_rx_ADDBARsp(ieee, skb);
else if (*act == ACT_DELBA)
ieee80211_rx_DELBA(ieee, skb);
break;
default:
break;
}
return;
}
static void ieee80211_check_auth_response(struct ieee80211_device *ieee,
struct sk_buff *skb)
{
/* default support N mode, disable halfNmode */
bool bSupportNmode = true, bHalfSupportNmode = false;
int errcode;
u8 *challenge;
int chlen = 0;
u32 iotAction;
errcode = auth_parse(skb, &challenge, &chlen);
if (!errcode) {
if (ieee->open_wep || !challenge) {
ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
ieee->softmac_stats.rx_auth_rs_ok++;
iotAction = ieee->pHTInfo->IOTAction;
if (!(iotAction & HT_IOT_ACT_PURE_N_MODE)) {
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
/* WEP or TKIP encryption */
if (IsHTHalfNmodeAPs(ieee)) {
bSupportNmode = true;
bHalfSupportNmode = true;
} else {
bSupportNmode = false;
bHalfSupportNmode = false;
}
netdev_dbg(ieee->dev, "SEC(%d, %d)\n",
bSupportNmode,
bHalfSupportNmode);
}
}
/* Dummy wirless mode setting- avoid encryption issue */
if (bSupportNmode) {
/* N mode setting */
ieee->SetWirelessMode(ieee->dev,
ieee->current_network.mode);
} else {
/* b/g mode setting - TODO */
ieee->SetWirelessMode(ieee->dev, IEEE_G);
}
if (ieee->current_network.mode == IEEE_N_24G &&
bHalfSupportNmode) {
netdev_dbg(ieee->dev, "enter half N mode\n");
ieee->bHalfWirelessN24GMode = true;
} else {
ieee->bHalfWirelessN24GMode = false;
}
ieee80211_associate_step2(ieee);
} else {
ieee80211_auth_challenge(ieee, challenge, chlen);
}
} else {
ieee->softmac_stats.rx_auth_rs_err++;
IEEE80211_DEBUG_MGMT("Auth response status code %d\n", errcode);
ieee80211_associate_abort(ieee);
}
}
inline int
ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats, u16 type,
u16 stype)
{
struct rtl_80211_hdr_3addr *header = (struct rtl_80211_hdr_3addr *)skb->data;
u16 errcode;
int aid;
struct ieee80211_assoc_response_frame *assoc_resp;
// struct ieee80211_info_element *info_element;
if (!ieee->proto_started)
return 0;
if (ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
ieee->iw_mode == IW_MODE_INFRA &&
ieee->state == IEEE80211_LINKED))
schedule_work(&ieee->ps_task);
if (WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
ieee->last_rx_ps_time = jiffies;
switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:
IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
WLAN_FC_GET_STYPE(header->frame_ctl));
if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED &&
ieee->iw_mode == IW_MODE_INFRA) {
struct ieee80211_network *network;
network = kzalloc(sizeof(*network), GFP_KERNEL);
if (!network)
return -ENOMEM;
errcode = assoc_parse(ieee, skb, &aid);
if (!errcode) {
ieee->state = IEEE80211_LINKED;
ieee->assoc_id = aid;
ieee->softmac_stats.rx_ass_ok++;
/* station support qos */
/* Let the register setting defaultly with Legacy station */
if (ieee->qos_support) {
assoc_resp = (struct ieee80211_assoc_response_frame *)skb->data;
if (ieee80211_parse_info_param(ieee, assoc_resp->info_element,\
rx_stats->len - sizeof(*assoc_resp), \
network, rx_stats)) {
return 1;
} else {
//filling the PeerHTCap. //maybe not necessary as we can get its info from current_network.
memcpy(ieee->pHTInfo->PeerHTCapBuf, network->bssht.bdHTCapBuf, network->bssht.bdHTCapLen);
memcpy(ieee->pHTInfo->PeerHTInfoBuf, network->bssht.bdHTInfoBuf, network->bssht.bdHTInfoLen);
}
if (ieee->handle_assoc_response)
ieee->handle_assoc_response(ieee->dev, (struct ieee80211_assoc_response_frame *)header, network);
}
ieee80211_associate_complete(ieee);
} else {
/* aid could not been allocated */
ieee->softmac_stats.rx_ass_err++;
printk("Association response status code 0x%x\n",
errcode);
IEEE80211_DEBUG_MGMT("Association response status code 0x%x\n",
errcode);
if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT)
schedule_work(&ieee->associate_procedure_wq);
else
ieee80211_associate_abort(ieee);
}
kfree(network);
}
break;
case IEEE80211_STYPE_ASSOC_REQ:
case IEEE80211_STYPE_REASSOC_REQ:
if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
ieee->iw_mode == IW_MODE_MASTER)
ieee80211_rx_assoc_rq(ieee, skb);
break;
case IEEE80211_STYPE_AUTH:
if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) {
if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING
&& ieee->iw_mode == IW_MODE_INFRA) {
IEEE80211_DEBUG_MGMT("Received auth response");
ieee80211_check_auth_response(ieee, skb);
} else if (ieee->iw_mode == IW_MODE_MASTER) {
ieee80211_rx_auth_rq(ieee, skb);
}
}
break;
case IEEE80211_STYPE_PROBE_REQ:
if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
((ieee->iw_mode == IW_MODE_ADHOC ||
ieee->iw_mode == IW_MODE_MASTER) &&
ieee->state == IEEE80211_LINKED)) {
ieee80211_rx_probe_rq(ieee, skb);
}
break;
case IEEE80211_STYPE_DISASSOC:
case IEEE80211_STYPE_DEAUTH:
/* FIXME for now repeat all the association procedure
* both for disassociation and deauthentication
*/
if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
ieee->state == IEEE80211_LINKED &&
ieee->iw_mode == IW_MODE_INFRA) {
ieee->state = IEEE80211_ASSOCIATING;
ieee->softmac_stats.reassoc++;
notify_wx_assoc_event(ieee);
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
RemovePeerTS(ieee, header->addr2);
schedule_work(&ieee->associate_procedure_wq);
}
break;
case IEEE80211_STYPE_MANAGE_ACT:
ieee80211_process_action(ieee, skb);
break;
default:
return -1;
}
//dev_kfree_skb_any(skb);
return 0;
}
/* The following are for a simpler TX queue management.
* Instead of using netif_[stop/wake]_queue, the driver
* will use these two functions (plus a reset one) that
* will internally call the kernel netif_* and take care
* of the ieee802.11 fragmentation.
* So, the driver receives a fragment at a time and might
* call the stop function when it wants, without taking
* care to have enough room to TX an entire packet.
* This might be useful if each fragment needs its own
* descriptor. Thus, just keeping a total free memory > than
* the max fragmentation threshold is not enough. If the
* ieee802.11 stack passed a TXB struct, then you would need
* to keep N free descriptors where
* N = MAX_PACKET_SIZE / MIN_FRAG_THRESHOLD.
* In this way you need just one and the 802.11 stack
* will take care of buffering fragments and pass them to
* the driver later, when it wakes the queue.
*/
void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
{
unsigned int queue_index = txb->queue_index;
unsigned long flags;
int i;
struct cb_desc *tcb_desc = NULL;
spin_lock_irqsave(&ieee->lock, flags);
/* called with 2nd parm 0, no tx mgmt lock required */
ieee80211_sta_wakeup(ieee, 0);
/* update the tx status */
ieee->stats.tx_bytes += le16_to_cpu(txb->payload_size);
ieee->stats.tx_packets++;
tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
if (tcb_desc->bMulticast)
ieee->stats.multicast++;
/* if xmit available, just xmit it immediately, else just insert it to the wait queue */
for (i = 0; i < txb->nr_frags; i++) {
#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
if ((skb_queue_len(&ieee->skb_drv_aggQ[queue_index]) != 0) ||
#else
if ((skb_queue_len(&ieee->skb_waitQ[queue_index]) != 0) ||
#endif
(!ieee->check_nic_enough_desc(ieee->dev, queue_index)) ||
(ieee->queue_stop)) {
/* insert the skb packet to the wait queue */
/* as for the completion function, it does not need
* to check it any more.
* */
//printk("error:no descriptor left@queue_index %d\n", queue_index);
//ieee80211_stop_queue(ieee);
#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
skb_queue_tail(&ieee->skb_drv_aggQ[queue_index], txb->fragments[i]);
#else
skb_queue_tail(&ieee->skb_waitQ[queue_index], txb->fragments[i]);
#endif
} else {
ieee->softmac_data_hard_start_xmit(txb->fragments[i],
ieee->dev, ieee->rate);
//ieee->stats.tx_packets++;
//ieee->stats.tx_bytes += txb->fragments[i]->len;
//ieee->dev->trans_start = jiffies;
}
}
ieee80211_txb_free(txb);
//exit:
spin_unlock_irqrestore(&ieee->lock, flags);
}
EXPORT_SYMBOL(ieee80211_softmac_xmit);
/* called with ieee->lock acquired */
static void ieee80211_resume_tx(struct ieee80211_device *ieee)
{
int i;
for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) {
if (ieee->queue_stop) {
ieee->tx_pending.frag = i;
return;
} else {
ieee->softmac_data_hard_start_xmit(ieee->tx_pending.txb->fragments[i],
ieee->dev, ieee->rate);
//(i+1)<ieee->tx_pending.txb->nr_frags);
ieee->stats.tx_packets++;
netif_trans_update(ieee->dev);
}
}
ieee80211_txb_free(ieee->tx_pending.txb);
ieee->tx_pending.txb = NULL;
}
void ieee80211_reset_queue(struct ieee80211_device *ieee)
{
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
init_mgmt_queue(ieee);
if (ieee->tx_pending.txb) {
ieee80211_txb_free(ieee->tx_pending.txb);
ieee->tx_pending.txb = NULL;
}
ieee->queue_stop = 0;
spin_unlock_irqrestore(&ieee->lock, flags);
}
EXPORT_SYMBOL(ieee80211_reset_queue);
void ieee80211_wake_queue(struct ieee80211_device *ieee)
{
unsigned long flags;
struct sk_buff *skb;
struct rtl_80211_hdr_3addr *header;
spin_lock_irqsave(&ieee->lock, flags);
if (!ieee->queue_stop)
goto exit;
ieee->queue_stop = 0;
if (ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) {
while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))) {
header = (struct rtl_80211_hdr_3addr *)skb->data;
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate);
//dev_kfree_skb_any(skb);//edit by thomas
}
}
if (!ieee->queue_stop && ieee->tx_pending.txb)
ieee80211_resume_tx(ieee);
if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)) {
ieee->softmac_stats.swtxawake++;
netif_wake_queue(ieee->dev);
}
exit:
spin_unlock_irqrestore(&ieee->lock, flags);
}
EXPORT_SYMBOL(ieee80211_wake_queue);
void ieee80211_stop_queue(struct ieee80211_device *ieee)
{
//unsigned long flags;
//spin_lock_irqsave(&ieee->lock,flags);
if (!netif_queue_stopped(ieee->dev)) {
netif_stop_queue(ieee->dev);
ieee->softmac_stats.swtxstop++;
}
ieee->queue_stop = 1;
//spin_unlock_irqrestore(&ieee->lock,flags);
}
EXPORT_SYMBOL(ieee80211_stop_queue);
/* called in user context only */
void ieee80211_start_master_bss(struct ieee80211_device *ieee)
{
ieee->assoc_id = 1;
if (ieee->current_network.ssid_len == 0) {
strncpy(ieee->current_network.ssid,
IEEE80211_DEFAULT_TX_ESSID,
IW_ESSID_MAX_SIZE);
ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
ieee->ssid_set = 1;
}
memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->state = IEEE80211_LINKED;
ieee->link_change(ieee->dev);
notify_wx_assoc_event(ieee);
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
static void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
{
if (ieee->raw_tx) {
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
}
static void ieee80211_start_ibss_wq(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
/* iwconfig mode ad-hoc will schedule this and return
* on the other hand this will block further iwconfig SET
* operations because of the wx_mutex hold.
* Anyway some most set operations set a flag to speed-up
* (abort) this wq (when syncro scanning) before sleeping
* on the semaphore
*/
if (!ieee->proto_started) {
printk("==========oh driver down return\n");
return;
}
mutex_lock(&ieee->wx_mutex);
if (ieee->current_network.ssid_len == 0) {
strscpy(ieee->current_network.ssid, IEEE80211_DEFAULT_TX_ESSID,
sizeof(ieee->current_network.ssid));
ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
ieee->ssid_set = 1;
}
/* check if we have this cell in our network list */
ieee80211_softmac_check_all_nets(ieee);
// if((IS_DOT11D_ENABLE(ieee)) && (ieee->state == IEEE80211_NOLINK))
if (ieee->state == IEEE80211_NOLINK)
ieee->current_network.channel = 6;
/* if not then the state is not linked. Maybe the user switched to
* ad-hoc mode just after being in monitor mode, or just after
* being very few time in managed mode (so the card have had no
* time to scan all the chans..) or we have just run up the iface
* after setting ad-hoc mode. So we have to give another try..
* Here, in ibss mode, should be safe to do this without extra care
* (in bss mode we had to make sure no-one tried to associate when
* we had just checked the ieee->state and we was going to start the
* scan) because in ibss mode the ieee80211_new_net function, when
* finds a good net, just set the ieee->state to IEEE80211_LINKED,
* so, at worst, we waste a bit of time to initiate an unneeded syncro
* scan, that will stop at the first round because it sees the state
* associated.
*/
if (ieee->state == IEEE80211_NOLINK)
ieee80211_start_scan_syncro(ieee);
/* the network definitively is not here.. create a new cell */
if (ieee->state == IEEE80211_NOLINK) {
printk("creating new IBSS cell\n");
if (!ieee->wap_set)
eth_random_addr(ieee->current_network.bssid);
if (ieee->modulation & IEEE80211_CCK_MODULATION) {
ieee->current_network.rates_len = 4;
ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
} else {
ieee->current_network.rates_len = 0;
}
if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
ieee->current_network.rates_ex_len = 8;
ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
ieee->rate = 108;
} else {
ieee->current_network.rates_ex_len = 0;
ieee->rate = 22;
}
// By default, WMM function will be disabled in IBSS mode
ieee->current_network.QoS_Enable = 0;
ieee->SetWirelessMode(ieee->dev, IEEE_G);
ieee->current_network.atim_window = 0;
ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
if (ieee->short_slot)
ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT;
}
ieee->state = IEEE80211_LINKED;
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->link_change(ieee->dev);
notify_wx_assoc_event(ieee);
ieee80211_start_send_beacons(ieee);
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
mutex_unlock(&ieee->wx_mutex);
}
inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
{
schedule_delayed_work(&ieee->start_ibss_wq, 150);
}
/* this is called only in user context, with wx_mutex held */
void ieee80211_start_bss(struct ieee80211_device *ieee)
{
unsigned long flags;
//
// Ref: 802.11d 11.1.3.3
// STA shall not start a BSS unless properly formed Beacon frame including a Country IE.
//
if (IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee)) {
if (!ieee->bGlobalDomain)
return;
}
/* check if we have already found the net we
* are interested in (if any).
* if not (we are disassociated and we are not
* in associating / authenticating phase) start the background scanning.
*/
ieee80211_softmac_check_all_nets(ieee);
/* ensure no-one start an associating process (thus setting
* the ieee->state to ieee80211_ASSOCIATING) while we
* have just checked it and we are going to enable scan.
* The ieee80211_new_net function is always called with
* lock held (from both ieee80211_softmac_check_all_nets and
* the rx path), so we cannot be in the middle of such function
*/
spin_lock_irqsave(&ieee->lock, flags);
if (ieee->state == IEEE80211_NOLINK) {
ieee->actscanning = true;
ieee80211_start_scan(ieee);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
/* called only in userspace context */
void ieee80211_disassociate(struct ieee80211_device *ieee)
{
netif_carrier_off(ieee->dev);
if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
ieee80211_reset_queue(ieee);
if (ieee->data_hard_stop)
ieee->data_hard_stop(ieee->dev);
if (IS_DOT11D_ENABLE(ieee))
dot11d_reset(ieee);
ieee->state = IEEE80211_NOLINK;
ieee->is_set_key = false;
ieee->link_change(ieee->dev);
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
notify_wx_assoc_event(ieee);
}
EXPORT_SYMBOL(ieee80211_disassociate);
static void ieee80211_associate_retry_wq(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
unsigned long flags;
mutex_lock(&ieee->wx_mutex);
if (!ieee->proto_started)
goto exit;
if (ieee->state != IEEE80211_ASSOCIATING_RETRY)
goto exit;
/* until we do not set the state to IEEE80211_NOLINK
* there are no possibility to have someone else trying
* to start an association procedure (we get here with
* ieee->state = IEEE80211_ASSOCIATING).
* When we set the state to IEEE80211_NOLINK it is possible
* that the RX path run an attempt to associate, but
* both ieee80211_softmac_check_all_nets and the
* RX path works with ieee->lock held so there are no
* problems. If we are still disassociated then start a scan.
* the lock here is necessary to ensure no one try to start
* an association procedure when we have just checked the
* state and we are going to start the scan.
*/
ieee->state = IEEE80211_NOLINK;
ieee80211_softmac_check_all_nets(ieee);
spin_lock_irqsave(&ieee->lock, flags);
if (ieee->state == IEEE80211_NOLINK)
ieee80211_start_scan(ieee);
spin_unlock_irqrestore(&ieee->lock, flags);
exit:
mutex_unlock(&ieee->wx_mutex);
}
struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee)
{
u8 broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct sk_buff *skb;
struct ieee80211_probe_response *b;
skb = ieee80211_probe_resp(ieee, broadcast_addr);
if (!skb)
return NULL;
b = (struct ieee80211_probe_response *)skb->data;
b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
return skb;
}
struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
{
struct sk_buff *skb;
struct ieee80211_probe_response *b;
skb = ieee80211_get_beacon_(ieee);
if (!skb)
return NULL;
b = (struct ieee80211_probe_response *)skb->data;
b->header.seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
ieee->seq_ctrl[0] = 0;
else
ieee->seq_ctrl[0]++;
return skb;
}
EXPORT_SYMBOL(ieee80211_get_beacon);
void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
{
ieee->sync_scan_hurryup = 1;
mutex_lock(&ieee->wx_mutex);
ieee80211_stop_protocol(ieee);
mutex_unlock(&ieee->wx_mutex);
}
EXPORT_SYMBOL(ieee80211_softmac_stop_protocol);
void ieee80211_stop_protocol(struct ieee80211_device *ieee)
{
if (!ieee->proto_started)
return;
ieee->proto_started = 0;
ieee80211_stop_send_beacons(ieee);
del_timer_sync(&ieee->associate_timer);
cancel_delayed_work(&ieee->associate_retry_wq);
cancel_delayed_work(&ieee->start_ibss_wq);
ieee80211_stop_scan(ieee);
ieee80211_disassociate(ieee);
RemoveAllTS(ieee); //added as we disconnect from the previous BSS, Remove all TS
}
void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
{
ieee->sync_scan_hurryup = 0;
mutex_lock(&ieee->wx_mutex);
ieee80211_start_protocol(ieee);
mutex_unlock(&ieee->wx_mutex);
}
EXPORT_SYMBOL(ieee80211_softmac_start_protocol);
void ieee80211_start_protocol(struct ieee80211_device *ieee)
{
short ch = 0;
int i = 0;
if (ieee->proto_started)
return;
ieee->proto_started = 1;
if (ieee->current_network.channel == 0) {
do {
ch++;
if (ch > MAX_CHANNEL_NUMBER)
return; /* no channel found */
} while (!GET_DOT11D_INFO(ieee)->channel_map[ch]);
ieee->current_network.channel = ch;
}
if (ieee->current_network.beacon_interval == 0)
ieee->current_network.beacon_interval = 100;
// printk("===>%s(), chan:%d\n", __func__, ieee->current_network.channel);
// ieee->set_chan(ieee->dev,ieee->current_network.channel);
for (i = 0; i < 17; i++) {
ieee->last_rxseq_num[i] = -1;
ieee->last_rxfrag_num[i] = -1;
ieee->last_packet_time[i] = 0;
}
ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
/* if the user set the MAC of the ad-hoc cell and then
* switch to managed mode, shall we make sure that association
* attempts does not fail just because the user provide the essid
* and the nic is still checking for the AP MAC ??
*/
if (ieee->iw_mode == IW_MODE_INFRA)
ieee80211_start_bss(ieee);
else if (ieee->iw_mode == IW_MODE_ADHOC)
ieee80211_start_ibss(ieee);
else if (ieee->iw_mode == IW_MODE_MASTER)
ieee80211_start_master_bss(ieee);
else if (ieee->iw_mode == IW_MODE_MONITOR)
ieee80211_start_monitor_mode(ieee);
}
#define DRV_NAME "Ieee80211"
void ieee80211_softmac_init(struct ieee80211_device *ieee)
{
int i;
memset(&ieee->current_network, 0, sizeof(struct ieee80211_network));
ieee->state = IEEE80211_NOLINK;
ieee->sync_scan_hurryup = 0;
for (i = 0; i < 5; i++)
ieee->seq_ctrl[i] = 0;
ieee->dot11d_info = kzalloc(sizeof(struct rt_dot11d_info), GFP_KERNEL);
if (!ieee->dot11d_info)
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
//added for AP roaming
ieee->LinkDetectInfo.SlotNum = 2;
ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
ieee->assoc_id = 0;
ieee->queue_stop = 0;
ieee->scanning = 0;
ieee->softmac_features = 0; //so IEEE2100-like driver are happy
ieee->wap_set = 0;
ieee->ssid_set = 0;
ieee->proto_started = 0;
ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE;
ieee->rate = 22;
ieee->ps = IEEE80211_PS_DISABLED;
ieee->sta_sleep = 0;
ieee->Regdot11HTOperationalRateSet[0] = 0xff;//support MCS 0~7
ieee->Regdot11HTOperationalRateSet[1] = 0xff;//support MCS 8~15
ieee->Regdot11HTOperationalRateSet[4] = 0x01;
//added by amy
ieee->actscanning = false;
ieee->beinretry = false;
ieee->is_set_key = false;
init_mgmt_queue(ieee);
ieee->sta_edca_param[0] = 0x0000A403;
ieee->sta_edca_param[1] = 0x0000A427;
ieee->sta_edca_param[2] = 0x005E4342;
ieee->sta_edca_param[3] = 0x002F3262;
ieee->aggregation = true;
ieee->enable_rx_imm_BA = true;
ieee->tx_pending.txb = NULL;
timer_setup(&ieee->associate_timer, ieee80211_associate_abort_cb, 0);
timer_setup(&ieee->beacon_timer, ieee80211_send_beacon_cb, 0);
INIT_DELAYED_WORK(&ieee->start_ibss_wq, ieee80211_start_ibss_wq);
INIT_WORK(&ieee->associate_complete_wq, ieee80211_associate_complete_wq);
INIT_WORK(&ieee->associate_procedure_wq, ieee80211_associate_procedure_wq);
INIT_DELAYED_WORK(&ieee->softmac_scan_wq, ieee80211_softmac_scan_wq);
INIT_DELAYED_WORK(&ieee->associate_retry_wq, ieee80211_associate_retry_wq);
INIT_WORK(&ieee->wx_sync_scan_wq, ieee80211_wx_sync_scan_wq);
mutex_init(&ieee->wx_mutex);
mutex_init(&ieee->scan_mutex);
spin_lock_init(&ieee->mgmt_tx_lock);
spin_lock_init(&ieee->beacon_lock);
INIT_WORK(&ieee->ps_task, ieee80211_sta_ps);
}
void ieee80211_softmac_free(struct ieee80211_device *ieee)
{
mutex_lock(&ieee->wx_mutex);
kfree(ieee->dot11d_info);
ieee->dot11d_info = NULL;
del_timer_sync(&ieee->associate_timer);
cancel_delayed_work(&ieee->associate_retry_wq);
cancel_work_sync(&ieee->ps_task);
mutex_unlock(&ieee->wx_mutex);
}
/********************************************************
* Start of WPA code. *
* this is stolen from the ipw2200 driver *
********************************************************/
static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
* interface. */
printk("%s WPA\n", value ? "enabling" : "disabling");
ieee->wpa_enabled = value;
return 0;
}
static void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee,
char *wpa_ie, int wpa_ie_len)
{
/* make sure WPA is enabled */
ieee80211_wpa_enable(ieee, 1);
ieee80211_disassociate(ieee);
}
static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
{
int ret = 0;
switch (command) {
case IEEE_MLME_STA_DEAUTH:
// silently ignore
break;
case IEEE_MLME_STA_DISASSOC:
ieee80211_disassociate(ieee);
break;
default:
printk("Unknown MLME request: %d\n", command);
ret = -EOPNOTSUPP;
}
return ret;
}
static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
struct ieee_param *param, int plen)
{
u8 *buf;
if (param->u.wpa_ie.len > MAX_WPA_IE_LEN)
return -EINVAL;
if (param->u.wpa_ie.len) {
buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
GFP_KERNEL);
if (!buf)
return -ENOMEM;
kfree(ieee->wpa_ie);
ieee->wpa_ie = buf;
ieee->wpa_ie_len = param->u.wpa_ie.len;
} else {
kfree(ieee->wpa_ie);
ieee->wpa_ie = NULL;
ieee->wpa_ie_len = 0;
}
ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
return 0;
}
#define AUTH_ALG_OPEN_SYSTEM 0x1
#define AUTH_ALG_SHARED_KEY 0x2
static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
{
struct ieee80211_security sec = {
.flags = SEC_AUTH_MODE,
};
if (value & AUTH_ALG_SHARED_KEY) {
sec.auth_mode = WLAN_AUTH_SHARED_KEY;
ieee->open_wep = 0;
ieee->auth_mode = 1;
} else if (value & AUTH_ALG_OPEN_SYSTEM) {
sec.auth_mode = WLAN_AUTH_OPEN;
ieee->open_wep = 1;
ieee->auth_mode = 0;
} else if (value & IW_AUTH_ALG_LEAP) {
sec.auth_mode = WLAN_AUTH_LEAP;
ieee->open_wep = 1;
ieee->auth_mode = 2;
}
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
//else
// ret = -EOPNOTSUPP;
return 0;
}
static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value)
{
int ret = 0;
unsigned long flags;
switch (name) {
case IEEE_PARAM_WPA_ENABLED:
ret = ieee80211_wpa_enable(ieee, value);
break;
case IEEE_PARAM_TKIP_COUNTERMEASURES:
ieee->tkip_countermeasures = value;
break;
case IEEE_PARAM_DROP_UNENCRYPTED: {
/* HACK:
*
* wpa_supplicant calls set_wpa_enabled when the driver
* is loaded and unloaded, regardless of if WPA is being
* used. No other calls are made which can be used to
* determine if encryption will be used or not prior to
* association being expected. If encryption is not being
* used, drop_unencrypted is set to false, else true -- we
* can use this to determine if the CAP_PRIVACY_ON bit should
* be set.
*/
struct ieee80211_security sec = {
.flags = SEC_ENABLED,
.enabled = value,
};
ieee->drop_unencrypted = value;
/* We only change SEC_LEVEL for open mode. Others
* are set by ipw_wpa_set_encryption.
*/
if (!value) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_0;
} else {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
}
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
break;
}
case IEEE_PARAM_PRIVACY_INVOKED:
ieee->privacy_invoked = value;
break;
case IEEE_PARAM_AUTH_ALGS:
ret = ieee80211_wpa_set_auth_algs(ieee, value);
break;
case IEEE_PARAM_IEEE_802_1X:
ieee->ieee802_1x = value;
break;
case IEEE_PARAM_WPAX_SELECT:
// added for WPA2 mixed mode
spin_lock_irqsave(&ieee->wpax_suitlist_lock, flags);
ieee->wpax_type_set = 1;
ieee->wpax_type_notify = value;
spin_unlock_irqrestore(&ieee->wpax_suitlist_lock, flags);
break;
default:
printk("Unknown WPA param: %d\n", name);
ret = -EOPNOTSUPP;
}
return ret;
}
/* implementation borrowed from hostap driver */
static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
struct ieee_param *param, int param_len)
{
int ret = 0;
const char *module = NULL;
struct ieee80211_crypto_ops *ops = NULL;
struct ieee80211_crypt_data **crypt;
struct ieee80211_security sec = {
.flags = 0,
};
param->u.crypt.err = 0;
param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len !=
(int)((char *)param->u.crypt.key - (char *)param) +
param->u.crypt.key_len) {
printk("Len mismatch %d, %d\n", param_len,
param->u.crypt.key_len);
return -EINVAL;
}
if (is_broadcast_ether_addr(param->sta_addr)) {
if (param->u.crypt.idx >= WEP_KEYS)
return -EINVAL;
crypt = &ieee->crypt[param->u.crypt.idx];
} else {
return -EINVAL;
}
if (strcmp(param->u.crypt.alg, "none") == 0) {
if (crypt) {
sec.enabled = 0;
// FIXME FIXME
//sec.encrypt = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_ENABLED | SEC_LEVEL;
ieee80211_crypt_delayed_deinit(ieee, crypt);
}
goto done;
}
sec.enabled = 1;
// FIXME FIXME
// sec.encrypt = 1;
sec.flags |= SEC_ENABLED;
/* IPW HW cannot build TKIP MIC, host decryption still needed. */
if (!(ieee->host_encrypt || ieee->host_decrypt) &&
strcmp(param->u.crypt.alg, "TKIP"))
goto skip_host_crypt;
//set WEP40 first, it will be modified according to WEP104 or WEP40 at other place
if (!strcmp(param->u.crypt.alg, "WEP"))
module = "ieee80211_crypt_wep";
else if (!strcmp(param->u.crypt.alg, "TKIP"))
module = "ieee80211_crypt_tkip";
else if (!strcmp(param->u.crypt.alg, "CCMP"))
module = "ieee80211_crypt_ccmp";
if (module)
ops = try_then_request_module(ieee80211_get_crypto_ops(param->u.crypt.alg),
module);
if (!ops) {
printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
ret = -EINVAL;
goto done;
}
if (!*crypt || (*crypt)->ops != ops) {
struct ieee80211_crypt_data *new_crypt;
ieee80211_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
if (!new_crypt) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);
if (!new_crypt->priv) {
kfree(new_crypt);
param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(param->u.crypt.key,
param->u.crypt.key_len, param->u.crypt.seq,
(*crypt)->priv) < 0) {
printk("key setting failed\n");
param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
ret = -EINVAL;
goto done;
}
skip_host_crypt:
if (param->u.crypt.set_tx) {
ieee->tx_keyidx = param->u.crypt.idx;
sec.active_key = param->u.crypt.idx;
sec.flags |= SEC_ACTIVE_KEY;
} else {
sec.flags &= ~SEC_ACTIVE_KEY;
}
memcpy(sec.keys[param->u.crypt.idx],
param->u.crypt.key,
param->u.crypt.key_len);
sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
sec.flags |= (1 << param->u.crypt.idx);
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_2;
} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_3;
}
done:
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
/* Do not reset port if card is in Managed mode since resetting will
* generate new IEEE 802.11 authentication which may end up in looping
* with IEEE 802.1X. If your hardware requires a reset after WEP
* configuration (for example... Prism2), implement the reset_port in
* the callbacks structures used to initialize the 802.11 stack. */
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port &&
ieee->reset_port(ieee->dev)) {
printk("reset_port failed\n");
param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
return -EINVAL;
}
return ret;
}
static inline struct sk_buff *ieee80211_disassociate_skb(struct ieee80211_network *beacon,
struct ieee80211_device *ieee,
u8 asRsn)
{
struct sk_buff *skb;
struct ieee80211_disassoc *disass;
skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc));
if (!skb)
return NULL;
disass = skb_put(skb, sizeof(struct ieee80211_disassoc));
disass->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_DISASSOC);
disass->header.duration_id = 0;
memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN);
memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN);
disass->reason = cpu_to_le16(asRsn);
return skb;
}
void
SendDisassociation(struct ieee80211_device *ieee,
u8 *asSta,
u8 asRsn
)
{
struct ieee80211_network *beacon = &ieee->current_network;
struct sk_buff *skb;
skb = ieee80211_disassociate_skb(beacon, ieee, asRsn);
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//dev_kfree_skb_any(skb);//edit by thomas
}
}
EXPORT_SYMBOL(SendDisassociation);
int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p)
{
struct ieee_param *param;
int ret = 0;
mutex_lock(&ieee->wx_mutex);
//IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length);
if (p->length < sizeof(struct ieee_param) || !p->pointer) {
ret = -EINVAL;
goto out;
}
param = memdup_user(p->pointer, p->length);
if (IS_ERR(param)) {
ret = PTR_ERR(param);
goto out;
}
switch (param->cmd) {
case IEEE_CMD_SET_WPA_PARAM:
ret = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name,
param->u.wpa_param.value);
break;
case IEEE_CMD_SET_WPA_IE:
ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length);
break;
case IEEE_CMD_SET_ENCRYPTION:
ret = ieee80211_wpa_set_encryption(ieee, param, p->length);
break;
case IEEE_CMD_MLME:
ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command,
param->u.mlme.reason_code);
break;
default:
printk("Unknown WPA supplicant request: %d\n", param->cmd);
ret = -EOPNOTSUPP;
break;
}
if (ret == 0 && copy_to_user(p->pointer, param, p->length))
ret = -EFAULT;
kfree(param);
out:
mutex_unlock(&ieee->wx_mutex);
return ret;
}
EXPORT_SYMBOL(ieee80211_wpa_supplicant_ioctl);
void notify_wx_assoc_event(struct ieee80211_device *ieee)
{
union iwreq_data wrqu;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
if (ieee->state == IEEE80211_LINKED)
memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN);
else
eth_zero_addr(wrqu.ap_addr.sa_data);
wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
}
EXPORT_SYMBOL(notify_wx_assoc_event);
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c |
// SPDX-License-Identifier: GPL-2.0
/********************************************************************************************************************************
* This file is created to process BA Action Frame. According to 802.11 spec, there are 3 BA action types at all. And as BA is
* related to TS, this part need some structure defined in QOS side code. Also TX RX is going to be resturctured, so how to send
* ADDBAREQ ADDBARSP and DELBA packet is still on consideration. Temporarily use MANAGE QUEUE instead of Normal Queue.
* WB 2008-05-27
* *****************************************************************************************************************************/
#include <asm/byteorder.h>
#include <asm/unaligned.h>
#include "ieee80211.h"
#include "rtl819x_BA.h"
/********************************************************************************************************************
*function: Activate BA entry. And if Time is nozero, start timer.
* input: struct ba_record *pBA //BA entry to be enabled
* u16 Time //indicate time delay.
* output: none
********************************************************************************************************************/
static void ActivateBAEntry(struct ieee80211_device *ieee, struct ba_record *pBA, u16 Time)
{
pBA->valid = true;
if (Time != 0)
mod_timer(&pBA->timer, jiffies + msecs_to_jiffies(Time));
}
/********************************************************************************************************************
*function: deactivate BA entry, including its timer.
* input: struct ba_record *pBA //BA entry to be disabled
* output: none
********************************************************************************************************************/
static void DeActivateBAEntry(struct ieee80211_device *ieee, struct ba_record *pBA)
{
pBA->valid = false;
del_timer_sync(&pBA->timer);
}
/********************************************************************************************************************
*function: deactivete BA entry in Tx Ts, and send DELBA.
* input:
* struct tx_ts_record *pTxTs //Tx Ts which is to deactivate BA entry.
* output: none
* notice: As struct tx_ts_record * structure will be defined in QOS, so wait to be merged. //FIXME
********************************************************************************************************************/
static u8 TxTsDeleteBA(struct ieee80211_device *ieee, struct tx_ts_record *pTxTs)
{
struct ba_record *pAdmittedBa = &pTxTs->tx_admitted_ba_record; //These two BA entries must exist in TS structure
struct ba_record *pPendingBa = &pTxTs->tx_pending_ba_record;
u8 bSendDELBA = false;
// Delete pending BA
if (pPendingBa->valid) {
DeActivateBAEntry(ieee, pPendingBa);
bSendDELBA = true;
}
// Delete admitted BA
if (pAdmittedBa->valid) {
DeActivateBAEntry(ieee, pAdmittedBa);
bSendDELBA = true;
}
return bSendDELBA;
}
/********************************************************************************************************************
*function: deactivete BA entry in Tx Ts, and send DELBA.
* input:
* struct rx_ts_record *pRxTs //Rx Ts which is to deactivate BA entry.
* output: none
* notice: As struct rx_ts_record * structure will be defined in QOS, so wait to be merged. //FIXME, same with above
********************************************************************************************************************/
static u8 RxTsDeleteBA(struct ieee80211_device *ieee, struct rx_ts_record *pRxTs)
{
struct ba_record *pBa = &pRxTs->rx_admitted_ba_record;
u8 bSendDELBA = false;
if (pBa->valid) {
DeActivateBAEntry(ieee, pBa);
bSendDELBA = true;
}
return bSendDELBA;
}
/********************************************************************************************************************
*function: reset BA entry
* input:
* struct ba_record *pBA //entry to be reset
* output: none
********************************************************************************************************************/
void ResetBaEntry(struct ba_record *pBA)
{
pBA->valid = false;
pBA->param_set.short_data = 0;
pBA->timeout_value = 0;
pBA->dialog_token = 0;
pBA->start_seq_ctrl.short_data = 0;
}
//These functions need porting here or not?
/*******************************************************************************************************************************
*function: construct ADDBAREQ and ADDBARSP frame here together.
* input: u8* Dst //ADDBA frame's destination
* struct ba_record *pBA //BA_RECORD entry which stores the necessary information for BA.
* u16 StatusCode //status code in RSP and I will use it to indicate whether it's RSP or REQ(will I?)
* u8 type //indicate whether it's RSP(ACT_ADDBARSP) ow REQ(ACT_ADDBAREQ)
* output: none
* return: sk_buff* skb //return constructed skb to xmit
*******************************************************************************************************************************/
static struct sk_buff *ieee80211_ADDBA(struct ieee80211_device *ieee, u8 *Dst, struct ba_record *pBA, u16 StatusCode, u8 type)
{
struct sk_buff *skb = NULL;
struct rtl_80211_hdr_3addr *BAReq = NULL;
u8 *tag = NULL;
u16 len = ieee->tx_headroom + 9;
//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) + BA Timeout Value(2) + BA Start SeqCtrl(2)(or StatusCode(2))
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __func__, type, Dst, ieee->dev);
if (pBA == NULL) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA is NULL\n");
return NULL;
}
skb = dev_alloc_skb(len + sizeof(struct rtl_80211_hdr_3addr)); //need to add something others? FIXME
if (!skb)
return NULL;
memset(skb->data, 0, sizeof(struct rtl_80211_hdr_3addr)); //I wonder whether it's necessary. Apparently kernel will not do it when alloc a skb.
skb_reserve(skb, ieee->tx_headroom);
BAReq = skb_put(skb, sizeof(struct rtl_80211_hdr_3addr));
memcpy(BAReq->addr1, Dst, ETH_ALEN);
memcpy(BAReq->addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(BAReq->addr3, ieee->current_network.bssid, ETH_ALEN);
BAReq->frame_ctl = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame
//tag += sizeof( struct rtl_80211_hdr_3addr); //move to action field
tag = skb_put(skb, 9);
*tag++ = ACT_CAT_BA;
*tag++ = type;
// Dialog Token
*tag++ = pBA->dialog_token;
if (type == ACT_ADDBARSP) {
// Status Code
netdev_info(ieee->dev, "=====>to send ADDBARSP\n");
put_unaligned_le16(StatusCode, tag);
tag += 2;
}
// BA Parameter Set
put_unaligned_le16(pBA->param_set.short_data, tag);
tag += 2;
// BA Timeout Value
put_unaligned_le16(pBA->timeout_value, tag);
tag += 2;
if (type == ACT_ADDBAREQ) {
// BA Start SeqCtrl
memcpy(tag, (u8 *)&(pBA->start_seq_ctrl), 2);
tag += 2;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_BA, skb->data, skb->len);
return skb;
//return NULL;
}
/********************************************************************************************************************
*function: construct DELBA frame
* input: u8* dst //DELBA frame's destination
* struct ba_record *pBA //BA_RECORD entry which stores the necessary information for BA
* enum tr_select TxRxSelect //TX RX direction
* u16 ReasonCode //status code.
* output: none
* return: sk_buff* skb //return constructed skb to xmit
********************************************************************************************************************/
static struct sk_buff *ieee80211_DELBA(
struct ieee80211_device *ieee,
u8 *dst,
struct ba_record *pBA,
enum tr_select TxRxSelect,
u16 ReasonCode
)
{
union delba_param_set DelbaParamSet;
struct sk_buff *skb = NULL;
struct rtl_80211_hdr_3addr *Delba = NULL;
u8 *tag = NULL;
//len = head len + DELBA Parameter Set(2) + Reason Code(2)
u16 len = 6 + ieee->tx_headroom;
if (net_ratelimit())
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA,
"========>%s(), ReasonCode(%d) sentd to:%pM\n",
__func__, ReasonCode, dst);
memset(&DelbaParamSet, 0, 2);
DelbaParamSet.field.initiator = (TxRxSelect == TX_DIR) ? 1 : 0;
DelbaParamSet.field.tid = pBA->param_set.field.tid;
skb = dev_alloc_skb(len + sizeof(struct rtl_80211_hdr_3addr)); //need to add something others? FIXME
if (!skb)
return NULL;
// memset(skb->data, 0, len+sizeof( struct rtl_80211_hdr_3addr));
skb_reserve(skb, ieee->tx_headroom);
Delba = skb_put(skb, sizeof(struct rtl_80211_hdr_3addr));
memcpy(Delba->addr1, dst, ETH_ALEN);
memcpy(Delba->addr2, ieee->dev->dev_addr, ETH_ALEN);
memcpy(Delba->addr3, ieee->current_network.bssid, ETH_ALEN);
Delba->frame_ctl = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame
tag = skb_put(skb, 6);
*tag++ = ACT_CAT_BA;
*tag++ = ACT_DELBA;
// DELBA Parameter Set
put_unaligned_le16(DelbaParamSet.short_data, tag);
tag += 2;
// Reason Code
put_unaligned_le16(ReasonCode, tag);
tag += 2;
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_BA, skb->data, skb->len);
if (net_ratelimit())
IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA,
"<=====%s()\n", __func__);
return skb;
}
/********************************************************************************************************************
*function: send ADDBAReq frame out
* input: u8* dst //ADDBAReq frame's destination
* struct ba_record *pBA //BA_RECORD entry which stores the necessary information for BA
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_ADDBAReq(struct ieee80211_device *ieee,
u8 *dst, struct ba_record *pBA)
{
struct sk_buff *skb;
skb = ieee80211_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ); //construct ACT_ADDBAREQ frames so set statuscode zero.
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//add statistic needed here.
//and skb will be freed in softmac_mgmt_xmit(), so omit all dev_kfree_skb_any() outside softmac_mgmt_xmit()
//WB
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
}
/********************************************************************************************************************
*function: send ADDBARSP frame out
* input: u8* dst //DELBA frame's destination
* struct ba_record *pBA //BA_RECORD entry which stores the necessary information for BA
* u16 StatusCode //RSP StatusCode
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_ADDBARsp(struct ieee80211_device *ieee, u8 *dst,
struct ba_record *pBA, u16 StatusCode)
{
struct sk_buff *skb;
skb = ieee80211_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP); //construct ACT_ADDBARSP frames
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//same above
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
return;
}
/********************************************************************************************************************
*function: send ADDBARSP frame out
* input: u8* dst //DELBA frame's destination
* struct ba_record *pBA //BA_RECORD entry which stores the necessary information for BA
* enum tr_select TxRxSelect //TX or RX
* u16 ReasonCode //DEL ReasonCode
* output: none
* notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does
********************************************************************************************************************/
static void ieee80211_send_DELBA(struct ieee80211_device *ieee, u8 *dst,
struct ba_record *pBA, enum tr_select TxRxSelect,
u16 ReasonCode)
{
struct sk_buff *skb;
skb = ieee80211_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode); //construct ACT_ADDBARSP frames
if (skb) {
softmac_mgmt_xmit(skb, ieee);
//same above
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __func__);
}
}
/********************************************************************************************************************
*function: RX ADDBAReq
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *req = NULL;
u16 rc = 0;
u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
struct ba_record *pBA = NULL;
union ba_param_set *pBaParamSet = NULL;
u16 *pBaTimeoutVal = NULL;
union sequence_control *pBaStartSeqCtrl = NULL;
struct rx_ts_record *pTS = NULL;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 9) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in BAREQ(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 9));
return -1;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_BA, skb->data, skb->len);
req = (struct rtl_80211_hdr_3addr *)skb->data;
tag = (u8 *)req;
dst = &req->addr2[0];
tag += sizeof(struct rtl_80211_hdr_3addr);
pDialogToken = tag + 2; //category+action
pBaParamSet = (union ba_param_set *)(tag + 3); //+DialogToken
pBaTimeoutVal = (u16 *)(tag + 5);
pBaStartSeqCtrl = (union sequence_control *)(req + 7);
netdev_info(ieee->dev, "====================>rx ADDBAREQ from :%pM\n", dst);
//some other capability is not ready now.
if ((ieee->current_network.qos_data.active == 0) ||
(!ieee->pHTInfo->bCurrentHTSupport)) //||
// (!ieee->pStaQos->bEnableRxImmBA) )
{
rc = ADDBA_STATUS_REFUSED;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n", ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport);
goto OnADDBAReq_Fail;
}
// Search for related traffic stream.
// If there is no matched TS, reject the ADDBA request.
if (!GetTs(
ieee,
(struct ts_common_info **)(&pTS),
dst,
(u8)(pBaParamSet->field.tid),
RX_DIR,
true)) {
rc = ADDBA_STATUS_REFUSED;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __func__);
goto OnADDBAReq_Fail;
}
pBA = &pTS->rx_admitted_ba_record;
// To Determine the ADDBA Req content
// We can do much more check here, including buffer_size, AMSDU_Support, Policy, StartSeqCtrl...
// I want to check StartSeqCtrl to make sure when we start aggregation!!!
//
if (pBaParamSet->field.ba_policy == BA_POLICY_DELAYED) {
rc = ADDBA_STATUS_INVALID_PARAM;
IEEE80211_DEBUG(IEEE80211_DL_ERR, "BA Policy is not correct in %s()\n", __func__);
goto OnADDBAReq_Fail;
}
// Admit the ADDBA Request
//
DeActivateBAEntry(ieee, pBA);
pBA->dialog_token = *pDialogToken;
pBA->param_set = *pBaParamSet;
pBA->timeout_value = *pBaTimeoutVal;
pBA->start_seq_ctrl = *pBaStartSeqCtrl;
//for half N mode we only aggregate 1 frame
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
pBA->param_set.field.buffer_size = 1;
else
pBA->param_set.field.buffer_size = 32;
ActivateBAEntry(ieee, pBA, pBA->timeout_value);
ieee80211_send_ADDBARsp(ieee, dst, pBA, ADDBA_STATUS_SUCCESS);
// End of procedure.
return 0;
OnADDBAReq_Fail:
{
struct ba_record BA;
BA.param_set = *pBaParamSet;
BA.timeout_value = *pBaTimeoutVal;
BA.dialog_token = *pDialogToken;
BA.param_set.field.ba_policy = BA_POLICY_IMMEDIATE;
ieee80211_send_ADDBARsp(ieee, dst, &BA, rc);
return 0; //we send RSP out.
}
}
/********************************************************************************************************************
*function: RX ADDBARSP
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_ADDBARsp(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *rsp = NULL;
struct ba_record *pPendingBA, *pAdmittedBA;
struct tx_ts_record *pTS = NULL;
u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
u16 *pStatusCode = NULL, *pBaTimeoutVal = NULL;
union ba_param_set *pBaParamSet = NULL;
u16 ReasonCode;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 9) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in BARSP(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 9));
return -1;
}
rsp = (struct rtl_80211_hdr_3addr *)skb->data;
tag = (u8 *)rsp;
dst = &rsp->addr2[0];
tag += sizeof(struct rtl_80211_hdr_3addr);
pDialogToken = tag + 2;
pStatusCode = (u16 *)(tag + 3);
pBaParamSet = (union ba_param_set *)(tag + 5);
pBaTimeoutVal = (u16 *)(tag + 7);
// Check the capability
// Since we can always receive A-MPDU, we just check if it is under HT mode.
if (ieee->current_network.qos_data.active == 0 ||
!ieee->pHTInfo->bCurrentHTSupport ||
!ieee->pHTInfo->bCurrentAMPDUEnable) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "reject to ADDBA_RSP as some capability is not ready(%d, %d, %d)\n", ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bCurrentAMPDUEnable);
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
}
//
// Search for related TS.
// If there is no TS found, we wil reject ADDBA Rsp by sending DELBA frame.
//
if (!GetTs(
ieee,
(struct ts_common_info **)(&pTS),
dst,
(u8)(pBaParamSet->field.tid),
TX_DIR,
false)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __func__);
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
}
pTS->add_ba_req_in_progress = false;
pPendingBA = &pTS->tx_pending_ba_record;
pAdmittedBA = &pTS->tx_admitted_ba_record;
//
// Check if related BA is waiting for setup.
// If not, reject by sending DELBA frame.
//
if (pAdmittedBA->valid) {
// Since BA is already setup, we ignore all other ADDBA Response.
IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. Drop because already admit it! \n");
return -1;
} else if ((!pPendingBA->valid) || (*pDialogToken != pPendingBA->dialog_token)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "OnADDBARsp(): Recv ADDBA Rsp. BA invalid, DELBA! \n");
ReasonCode = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
} else {
IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n", *pStatusCode);
DeActivateBAEntry(ieee, pPendingBA);
}
if (*pStatusCode == ADDBA_STATUS_SUCCESS) {
//
// Determine ADDBA Rsp content here.
// We can compare the value of BA parameter set that Peer returned and Self sent.
// If it is OK, then admitted. Or we can send DELBA to cancel BA mechanism.
//
if (pBaParamSet->field.ba_policy == BA_POLICY_DELAYED) {
// Since this is a kind of ADDBA failed, we delay next ADDBA process.
pTS->add_ba_req_delayed = true;
DeActivateBAEntry(ieee, pAdmittedBA);
ReasonCode = DELBA_REASON_END_BA;
goto OnADDBARsp_Reject;
}
//
// Admitted condition
//
pAdmittedBA->dialog_token = *pDialogToken;
pAdmittedBA->timeout_value = *pBaTimeoutVal;
pAdmittedBA->start_seq_ctrl = pPendingBA->start_seq_ctrl;
pAdmittedBA->param_set = *pBaParamSet;
DeActivateBAEntry(ieee, pAdmittedBA);
ActivateBAEntry(ieee, pAdmittedBA, *pBaTimeoutVal);
} else {
// Delay next ADDBA process.
pTS->add_ba_req_delayed = true;
}
// End of procedure
return 0;
OnADDBARsp_Reject:
{
struct ba_record BA;
BA.param_set = *pBaParamSet;
ieee80211_send_DELBA(ieee, dst, &BA, TX_DIR, ReasonCode);
return 0;
}
}
/********************************************************************************************************************
*function: RX DELBA
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *delba = NULL;
union delba_param_set *pDelBaParamSet = NULL;
u8 *dst = NULL;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 6) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in DELBA(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 6));
return -1;
}
if (ieee->current_network.qos_data.active == 0 ||
!ieee->pHTInfo->bCurrentHTSupport) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "received DELBA while QOS or HT is not supported(%d, %d)\n", ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport);
return -1;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_BA, skb->data, skb->len);
delba = (struct rtl_80211_hdr_3addr *)skb->data;
dst = &delba->addr2[0];
pDelBaParamSet = (union delba_param_set *)&delba->payload[2];
if (pDelBaParamSet->field.initiator == 1) {
struct rx_ts_record *pRxTs;
if (!GetTs(
ieee,
(struct ts_common_info **)&pRxTs,
dst,
(u8)pDelBaParamSet->field.tid,
RX_DIR,
false)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for RXTS in %s()\n", __func__);
return -1;
}
RxTsDeleteBA(ieee, pRxTs);
} else {
struct tx_ts_record *pTxTs;
if (!GetTs(
ieee,
(struct ts_common_info **)&pTxTs,
dst,
(u8)pDelBaParamSet->field.tid,
TX_DIR,
false)) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for TXTS in %s()\n", __func__);
return -1;
}
pTxTs->using_ba = false;
pTxTs->add_ba_req_in_progress = false;
pTxTs->add_ba_req_delayed = false;
del_timer_sync(&pTxTs->ts_add_ba_timer);
//PlatformCancelTimer(Adapter, &pTxTs->ts_add_ba_timer);
TxTsDeleteBA(ieee, pTxTs);
}
return 0;
}
//
// ADDBA initiate. This can only be called by TX side.
//
void
TsInitAddBA(
struct ieee80211_device *ieee,
struct tx_ts_record *pTS,
u8 Policy,
u8 bOverwritePending
)
{
struct ba_record *pBA = &pTS->tx_pending_ba_record;
if (pBA->valid && !bOverwritePending)
return;
// Set parameters to "Pending" variable set
DeActivateBAEntry(ieee, pBA);
pBA->dialog_token++; // DialogToken: Only keep the latest dialog token
pBA->param_set.field.amsdu_support = 0; // Do not support A-MSDU with A-MPDU now!!
pBA->param_set.field.ba_policy = Policy; // Policy: Delayed or Immediate
pBA->param_set.field.tid = pTS->ts_common_info.t_spec.ts_info.uc_tsid; // TID
// buffer_size: This need to be set according to A-MPDU vector
pBA->param_set.field.buffer_size = 32; // buffer_size: This need to be set according to A-MPDU vector
pBA->timeout_value = 0; // Timeout value: Set 0 to disable Timer
pBA->start_seq_ctrl.field.seq_num = (pTS->tx_cur_seq + 3) % 4096; // Block Ack will start after 3 packets later.
ActivateBAEntry(ieee, pBA, BA_SETUP_TIMEOUT);
ieee80211_send_ADDBAReq(ieee, pTS->ts_common_info.addr, pBA);
}
void
TsInitDelBA(struct ieee80211_device *ieee, struct ts_common_info *pTsCommonInfo, enum tr_select TxRxSelect)
{
if (TxRxSelect == TX_DIR) {
struct tx_ts_record *pTxTs = (struct tx_ts_record *)pTsCommonInfo;
if (TxTsDeleteBA(ieee, pTxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->addr,
(pTxTs->tx_admitted_ba_record.valid) ? (&pTxTs->tx_admitted_ba_record) : (&pTxTs->tx_pending_ba_record),
TxRxSelect,
DELBA_REASON_END_BA);
} else if (TxRxSelect == RX_DIR) {
struct rx_ts_record *pRxTs = (struct rx_ts_record *)pTsCommonInfo;
if (RxTsDeleteBA(ieee, pRxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->addr,
&pRxTs->rx_admitted_ba_record,
TxRxSelect,
DELBA_REASON_END_BA);
}
}
/********************************************************************************************************************
*function: BA setup timer
* input: unsigned long data //acturally we send struct tx_ts_record or struct rx_ts_record to these timer
* return: NULL
* notice:
********************************************************************************************************************/
void BaSetupTimeOut(struct timer_list *t)
{
struct tx_ts_record *pTxTs = from_timer(pTxTs, t, tx_pending_ba_record.timer);
pTxTs->add_ba_req_in_progress = false;
pTxTs->add_ba_req_delayed = true;
pTxTs->tx_pending_ba_record.valid = false;
}
void TxBaInactTimeout(struct timer_list *t)
{
struct tx_ts_record *pTxTs = from_timer(pTxTs, t, tx_admitted_ba_record.timer);
struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[pTxTs->num]);
TxTsDeleteBA(ieee, pTxTs);
ieee80211_send_DELBA(
ieee,
pTxTs->ts_common_info.addr,
&pTxTs->tx_admitted_ba_record,
TX_DIR,
DELBA_REASON_TIMEOUT);
}
void RxBaInactTimeout(struct timer_list *t)
{
struct rx_ts_record *pRxTs = from_timer(pRxTs, t, rx_admitted_ba_record.timer);
struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
RxTsDeleteBA(ieee, pRxTs);
ieee80211_send_DELBA(
ieee,
pRxTs->ts_common_info.addr,
&pRxTs->rx_admitted_ba_record,
RX_DIR,
DELBA_REASON_TIMEOUT);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c |
// SPDX-License-Identifier: GPL-2.0
/*
* Host AP crypt: host-based TKIP encryption implementation for Host AP driver
*
* Copyright (c) 2003-2004, Jouni Malinen <[email protected]>
*/
#include <linux/fips.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/if_ether.h>
#include <linux/if_arp.h>
#include <linux/string.h>
#include "ieee80211.h"
#include <crypto/arc4.h>
#include <crypto/hash.h>
#include <linux/crc32.h>
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: TKIP");
MODULE_LICENSE("GPL");
struct ieee80211_tkip_data {
#define TKIP_KEY_LEN 32
u8 key[TKIP_KEY_LEN];
int key_set;
u32 tx_iv32;
u16 tx_iv16;
u16 tx_ttak[5];
int tx_phase1_done;
u32 rx_iv32;
u16 rx_iv16;
u16 rx_ttak[5];
int rx_phase1_done;
u32 rx_iv32_new;
u16 rx_iv16_new;
u32 dot11RSNAStatsTKIPReplays;
u32 dot11RSNAStatsTKIPICVErrors;
u32 dot11RSNAStatsTKIPLocalMICFailures;
int key_idx;
struct arc4_ctx rx_ctx_arc4;
struct arc4_ctx tx_ctx_arc4;
struct crypto_shash *rx_tfm_michael;
struct crypto_shash *tx_tfm_michael;
/* scratch buffers for virt_to_page() (crypto API) */
u8 rx_hdr[16], tx_hdr[16];
};
static void *ieee80211_tkip_init(int key_idx)
{
struct ieee80211_tkip_data *priv;
if (fips_enabled)
return NULL;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
goto fail;
priv->key_idx = key_idx;
priv->tx_tfm_michael = crypto_alloc_shash("michael_mic", 0, 0);
if (IS_ERR(priv->tx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
priv->tx_tfm_michael = NULL;
goto fail;
}
priv->rx_tfm_michael = crypto_alloc_shash("michael_mic", 0, 0);
if (IS_ERR(priv->rx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
priv->rx_tfm_michael = NULL;
goto fail;
}
return priv;
fail:
if (priv) {
crypto_free_shash(priv->tx_tfm_michael);
crypto_free_shash(priv->rx_tfm_michael);
kfree(priv);
}
return NULL;
}
static void ieee80211_tkip_deinit(void *priv)
{
struct ieee80211_tkip_data *_priv = priv;
if (_priv) {
crypto_free_shash(_priv->tx_tfm_michael);
crypto_free_shash(_priv->rx_tfm_michael);
}
kfree_sensitive(priv);
}
static inline u16 RotR1(u16 val)
{
return (val >> 1) | (val << 15);
}
static inline u8 Lo8(u16 val)
{
return val & 0xff;
}
static inline u8 Hi8(u16 val)
{
return val >> 8;
}
static inline u16 Lo16(u32 val)
{
return val & 0xffff;
}
static inline u16 Hi16(u32 val)
{
return val >> 16;
}
static inline u16 Mk16(u8 hi, u8 lo)
{
return lo | (((u16)hi) << 8);
}
static const u16 Sbox[256] = {
0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B,
0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F,
0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F,
0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5,
0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F,
0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB,
0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397,
0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED,
0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A,
0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194,
0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3,
0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104,
0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D,
0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39,
0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695,
0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83,
0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76,
0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4,
0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B,
0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0,
0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018,
0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751,
0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85,
0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12,
0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9,
0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7,
0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A,
0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8,
0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
};
static inline u16 _S_(u16 v)
{
u16 t = Sbox[Hi8(v)];
return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8));
}
#define PHASE1_LOOP_COUNT 8
static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32)
{
int i, j;
/* Initialize the 80-bit TTAK from TSC (IV32) and TA[0..5] */
TTAK[0] = Lo16(IV32);
TTAK[1] = Hi16(IV32);
TTAK[2] = Mk16(TA[1], TA[0]);
TTAK[3] = Mk16(TA[3], TA[2]);
TTAK[4] = Mk16(TA[5], TA[4]);
for (i = 0; i < PHASE1_LOOP_COUNT; i++) {
j = 2 * (i & 1);
TTAK[0] += _S_(TTAK[4] ^ Mk16(TK[1 + j], TK[0 + j]));
TTAK[1] += _S_(TTAK[0] ^ Mk16(TK[5 + j], TK[4 + j]));
TTAK[2] += _S_(TTAK[1] ^ Mk16(TK[9 + j], TK[8 + j]));
TTAK[3] += _S_(TTAK[2] ^ Mk16(TK[13 + j], TK[12 + j]));
TTAK[4] += _S_(TTAK[3] ^ Mk16(TK[1 + j], TK[0 + j])) + i;
}
}
static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
u16 IV16)
{
/*
* Make temporary area overlap WEP seed so that the final copy can be
* avoided on little endian hosts.
*/
u16 *PPK = (u16 *)&WEPSeed[4];
/* Step 1 - make copy of TTAK and bring in TSC */
PPK[0] = TTAK[0];
PPK[1] = TTAK[1];
PPK[2] = TTAK[2];
PPK[3] = TTAK[3];
PPK[4] = TTAK[4];
PPK[5] = TTAK[4] + IV16;
/* Step 2 - 96-bit bijective mixing using S-box */
PPK[0] += _S_(PPK[5] ^ le16_to_cpu(*(__le16 *)(&TK[0])));
PPK[1] += _S_(PPK[0] ^ le16_to_cpu(*(__le16 *)(&TK[2])));
PPK[2] += _S_(PPK[1] ^ le16_to_cpu(*(__le16 *)(&TK[4])));
PPK[3] += _S_(PPK[2] ^ le16_to_cpu(*(__le16 *)(&TK[6])));
PPK[4] += _S_(PPK[3] ^ le16_to_cpu(*(__le16 *)(&TK[8])));
PPK[5] += _S_(PPK[4] ^ le16_to_cpu(*(__le16 *)(&TK[10])));
PPK[0] += RotR1(PPK[5] ^ le16_to_cpu(*(__le16 *)(&TK[12])));
PPK[1] += RotR1(PPK[0] ^ le16_to_cpu(*(__le16 *)(&TK[14])));
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
PPK[5] += RotR1(PPK[4]);
/*
* Step 3 - bring in last of TK bits, assign 24-bit WEP IV value
* WEPSeed[0..2] is transmitted as WEP IV
*/
WEPSeed[0] = Hi8(IV16);
WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F;
WEPSeed[2] = Lo8(IV16);
WEPSeed[3] = Lo8((PPK[5] ^ le16_to_cpu(*(__le16 *)(&TK[0]))) >> 1);
#ifdef __BIG_ENDIAN
{
int i;
for (i = 0; i < 6; i++)
PPK[i] = (PPK[i] << 8) | (PPK[i] >> 8);
}
#endif
}
static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
int len;
u8 *pos;
struct rtl_80211_hdr_4addr *hdr;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 rc4key[16], *icv;
u32 crc;
if (skb_headroom(skb) < 8 || skb_tailroom(skb) < 4 ||
skb->len < hdr_len)
return -1;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
if (!tcb_desc->bHwSec) {
if (!tkey->tx_phase1_done) {
tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2,
tkey->tx_iv32);
tkey->tx_phase1_done = 1;
}
tkip_mixing_phase2(rc4key, tkey->key, tkey->tx_ttak, tkey->tx_iv16);
} else
tkey->tx_phase1_done = 1;
len = skb->len - hdr_len;
pos = skb_push(skb, 8);
memmove(pos, pos + 8, hdr_len);
pos += hdr_len;
if (tcb_desc->bHwSec) {
*pos++ = Hi8(tkey->tx_iv16);
*pos++ = (Hi8(tkey->tx_iv16) | 0x20) & 0x7F;
*pos++ = Lo8(tkey->tx_iv16);
} else {
*pos++ = rc4key[0];
*pos++ = rc4key[1];
*pos++ = rc4key[2];
}
*pos++ = (tkey->key_idx << 6) | BIT(5) /* Ext IV included */;
*pos++ = tkey->tx_iv32 & 0xff;
*pos++ = (tkey->tx_iv32 >> 8) & 0xff;
*pos++ = (tkey->tx_iv32 >> 16) & 0xff;
*pos++ = (tkey->tx_iv32 >> 24) & 0xff;
if (!tcb_desc->bHwSec) {
icv = skb_put(skb, 4);
crc = ~crc32_le(~0, pos, len);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
arc4_setkey(&tkey->tx_ctx_arc4, rc4key, 16);
arc4_crypt(&tkey->tx_ctx_arc4, pos, pos, len + 4);
}
tkey->tx_iv16++;
if (tkey->tx_iv16 == 0) {
tkey->tx_phase1_done = 0;
tkey->tx_iv32++;
}
return 0;
}
static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 keyidx, *pos;
u32 iv32;
u16 iv16;
struct rtl_80211_hdr_4addr *hdr;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 rc4key[16];
u8 icv[4];
u32 crc;
int plen;
if (skb->len < hdr_len + 8 + 4)
return -1;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & BIT(5))) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "TKIP: received packet without ExtIV"
" flag from %pM\n", hdr->addr2);
}
return -2;
}
keyidx >>= 6;
if (tkey->key_idx != keyidx) {
netdev_dbg(skb->dev, "TKIP: RX tkey->key_idx=%d frame "
"keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv);
return -6;
}
if (!tkey->key_set) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "TKIP: received packet from %pM"
" with keyid=%d that does not have a configured"
" key\n", hdr->addr2, keyidx);
}
return -3;
}
iv16 = (pos[0] << 8) | pos[2];
iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24);
pos += 8;
if (!tcb_desc->bHwSec) {
if (iv32 < tkey->rx_iv32 ||
(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
if (net_ratelimit()) {
netdev_dbg(skb->dev, "TKIP: replay detected: STA=%pM"
" previous TSC %08x%04x received TSC "
"%08x%04x\n", hdr->addr2,
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
}
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
}
if (iv32 != tkey->rx_iv32 || !tkey->rx_phase1_done) {
tkip_mixing_phase1(tkey->rx_ttak, tkey->key, hdr->addr2, iv32);
tkey->rx_phase1_done = 1;
}
tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16);
plen = skb->len - hdr_len - 12;
arc4_setkey(&tkey->rx_ctx_arc4, rc4key, 16);
arc4_crypt(&tkey->rx_ctx_arc4, pos, pos, plen + 4);
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
if (memcmp(icv, pos + plen, 4) != 0) {
if (iv32 != tkey->rx_iv32) {
/*
* Previously cached Phase1 result was already
* lost, so it needs to be recalculated for the
* next packet.
*/
tkey->rx_phase1_done = 0;
}
if (net_ratelimit()) {
netdev_dbg(skb->dev, "TKIP: ICV error detected: STA="
"%pM\n", hdr->addr2);
}
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
}
}
/*
* Update real counters only after Michael MIC verification has
* completed.
*/
tkey->rx_iv32_new = iv32;
tkey->rx_iv16_new = iv16;
/* Remove IV and ICV */
memmove(skb->data + 8, skb->data, hdr_len);
skb_pull(skb, 8);
skb_trim(skb, skb->len - 4);
return keyidx;
}
static int michael_mic(struct crypto_shash *tfm_michael, u8 *key, u8 *hdr,
u8 *data, size_t data_len, u8 *mic)
{
SHASH_DESC_ON_STACK(desc, tfm_michael);
int err;
desc->tfm = tfm_michael;
if (crypto_shash_setkey(tfm_michael, key, 8))
return -1;
err = crypto_shash_init(desc);
if (err)
goto out;
err = crypto_shash_update(desc, hdr, 16);
if (err)
goto out;
err = crypto_shash_update(desc, data, data_len);
if (err)
goto out;
err = crypto_shash_final(desc, mic);
out:
shash_desc_zero(desc);
return err;
}
static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
{
struct rtl_80211_hdr_4addr *hdr11;
hdr11 = (struct rtl_80211_hdr_4addr *)skb->data;
switch (le16_to_cpu(hdr11->frame_ctl) &
(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
case IEEE80211_FCTL_TODS:
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
break;
case IEEE80211_FCTL_FROMDS:
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */
break;
case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */
break;
default:
memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */
memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */
break;
}
hdr[12] = 0; /* priority */
hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */
}
static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 *pos;
struct rtl_80211_hdr_4addr *hdr;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
if (skb_tailroom(skb) < 8 || skb->len < hdr_len) {
netdev_dbg(skb->dev, "Invalid packet for Michael MIC add "
"(tailroom=%d hdr_len=%d skb->len=%d)\n",
skb_tailroom(skb), hdr_len, skb->len);
return -1;
}
michael_mic_hdr(skb, tkey->tx_hdr);
// { david, 2006.9.1
// fix the wpa process with wmm enabled.
if (IEEE80211_QOS_HAS_SEQ(le16_to_cpu(hdr->frame_ctl)))
tkey->tx_hdr[12] = *(skb->data + hdr_len - 2) & 0x07;
// }
pos = skb_put(skb, 8);
if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,
skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
return -1;
return 0;
}
static void ieee80211_michael_mic_failure(struct net_device *dev,
struct rtl_80211_hdr_4addr *hdr,
int keyidx)
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
/* TODO: needed parameters: count, keyid, key type, TSC */
memset(&ev, 0, sizeof(ev));
ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
if (hdr->addr1[0] & 0x01)
ev.flags |= IW_MICFAILURE_GROUP;
else
ev.flags |= IW_MICFAILURE_PAIRWISE;
ev.src_addr.sa_family = ARPHRD_ETHER;
memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN);
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
}
static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 mic[8];
struct rtl_80211_hdr_4addr *hdr;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
if (!tkey->key_set)
return -1;
michael_mic_hdr(skb, tkey->rx_hdr);
// { david, 2006.9.1
// fix the wpa process with wmm enabled.
if (IEEE80211_QOS_HAS_SEQ(le16_to_cpu(hdr->frame_ctl)))
tkey->rx_hdr[12] = *(skb->data + hdr_len - 2) & 0x07;
// }
if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,
skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
return -1;
if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) {
struct rtl_80211_hdr_4addr *hdr;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
netdev_dbg(skb->dev, "Michael MIC verification failed for "
"MSDU from %pM keyidx=%d\n",
hdr->addr2, keyidx);
if (skb->dev)
ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
tkey->dot11RSNAStatsTKIPLocalMICFailures++;
return -1;
}
/*
* Update TSC counters for RX now that the packet verification has
* completed.
*/
tkey->rx_iv32 = tkey->rx_iv32_new;
tkey->rx_iv16 = tkey->rx_iv16_new;
skb_trim(skb, skb->len - 8);
return 0;
}
static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
int keyidx;
struct crypto_shash *tfm = tkey->tx_tfm_michael;
struct crypto_shash *tfm3 = tkey->rx_tfm_michael;
keyidx = tkey->key_idx;
memset(tkey, 0, sizeof(*tkey));
tkey->key_idx = keyidx;
tkey->tx_tfm_michael = tfm;
tkey->rx_tfm_michael = tfm3;
if (len == TKIP_KEY_LEN) {
memcpy(tkey->key, key, TKIP_KEY_LEN);
tkey->key_set = 1;
tkey->tx_iv16 = 1; /* TSC is initialized to 1 */
if (seq) {
tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) |
(seq[3] << 8) | seq[2];
tkey->rx_iv16 = (seq[1] << 8) | seq[0];
}
} else if (len == 0)
tkey->key_set = 0;
else
return -1;
return 0;
}
static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
if (len < TKIP_KEY_LEN)
return 0;
if (!tkey->key_set)
return 0;
memcpy(key, tkey->key, TKIP_KEY_LEN);
if (seq) {
/* Return the sequence number of the last transmitted frame. */
u16 iv16 = tkey->tx_iv16;
u32 iv32 = tkey->tx_iv32;
if (iv16 == 0)
iv32--;
iv16--;
seq[0] = tkey->tx_iv16;
seq[1] = tkey->tx_iv16 >> 8;
seq[2] = tkey->tx_iv32;
seq[3] = tkey->tx_iv32 >> 8;
seq[4] = tkey->tx_iv32 >> 16;
seq[5] = tkey->tx_iv32 >> 24;
}
return TKIP_KEY_LEN;
}
static char *ieee80211_tkip_print_stats(char *p, void *priv)
{
struct ieee80211_tkip_data *tkip = priv;
p += sprintf(p, "key[%d] alg=TKIP key_set=%d "
"tx_pn=%02x%02x%02x%02x%02x%02x "
"rx_pn=%02x%02x%02x%02x%02x%02x "
"replays=%d icv_errors=%d local_mic_failures=%d\n",
tkip->key_idx, tkip->key_set,
(tkip->tx_iv32 >> 24) & 0xff,
(tkip->tx_iv32 >> 16) & 0xff,
(tkip->tx_iv32 >> 8) & 0xff,
tkip->tx_iv32 & 0xff,
(tkip->tx_iv16 >> 8) & 0xff,
tkip->tx_iv16 & 0xff,
(tkip->rx_iv32 >> 24) & 0xff,
(tkip->rx_iv32 >> 16) & 0xff,
(tkip->rx_iv32 >> 8) & 0xff,
tkip->rx_iv32 & 0xff,
(tkip->rx_iv16 >> 8) & 0xff,
tkip->rx_iv16 & 0xff,
tkip->dot11RSNAStatsTKIPReplays,
tkip->dot11RSNAStatsTKIPICVErrors,
tkip->dot11RSNAStatsTKIPLocalMICFailures);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
.name = "TKIP",
.init = ieee80211_tkip_init,
.deinit = ieee80211_tkip_deinit,
.encrypt_mpdu = ieee80211_tkip_encrypt,
.decrypt_mpdu = ieee80211_tkip_decrypt,
.encrypt_msdu = ieee80211_michael_mic_add,
.decrypt_msdu = ieee80211_michael_mic_verify,
.set_key = ieee80211_tkip_set_key,
.get_key = ieee80211_tkip_get_key,
.print_stats = ieee80211_tkip_print_stats,
.extra_prefix_len = 4 + 4, /* IV + ExtIV */
.extra_postfix_len = 8 + 4, /* MIC + ICV */
.owner = THIS_MODULE,
};
int __init ieee80211_crypto_tkip_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip);
}
void ieee80211_crypto_tkip_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c |
// SPDX-License-Identifier: GPL-2.0
/* Implement 802.11d. */
#include "dot11d.h"
void rtl8192u_dot11d_init(struct ieee80211_device *ieee)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee);
dot11d_info->dot11d_enabled = false;
dot11d_info->state = DOT11D_STATE_NONE;
dot11d_info->country_ie_len = 0;
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
RESET_CIE_WATCHDOG(ieee);
}
EXPORT_SYMBOL(rtl8192u_dot11d_init);
/* Reset to the state as we are just entering a regulatory domain. */
void dot11d_reset(struct ieee80211_device *ieee)
{
u32 i;
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee);
/* Clear old channel map */
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
/* Set new channel map */
for (i = 1; i <= 11; i++)
(dot11d_info->channel_map)[i] = 1;
for (i = 12; i <= 14; i++)
(dot11d_info->channel_map)[i] = 2;
dot11d_info->state = DOT11D_STATE_NONE;
dot11d_info->country_ie_len = 0;
RESET_CIE_WATCHDOG(ieee);
}
EXPORT_SYMBOL(dot11d_reset);
/*
* Update country IE from Beacon or Probe Resopnse and configure PHY for
* operation in the regulatory domain.
*
* TODO: Configure Tx power.
* Assumption:
* 1. IS_DOT11D_ENABLE() is TRUE.
* 2. Input IE is an valid one.
*/
void dot11d_update_country_ie(struct ieee80211_device *dev, u8 *pTaddr,
u16 CoutryIeLen, u8 *pCoutryIe)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
u8 i, j, NumTriples, MaxChnlNum;
struct chnl_txpower_triple *pTriple;
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
MaxChnlNum = 0;
NumTriples = (CoutryIeLen - 3) / 3; /* skip 3-byte country string. */
pTriple = (struct chnl_txpower_triple *)(pCoutryIe + 3);
for (i = 0; i < NumTriples; i++) {
if (MaxChnlNum >= pTriple->first_channel) {
/* It is not in a monotonically increasing order, so
* stop processing.
*/
netdev_err(dev->dev, "%s: Invalid country IE, skip it 1\n", __func__);
return;
}
if (MAX_CHANNEL_NUMBER < (pTriple->first_channel + pTriple->num_channels)) {
/* It is not a valid set of channel id, so stop
* processing.
*/
netdev_err(dev->dev, "%s: Invalid country IE, skip it 2\n", __func__);
return;
}
for (j = 0; j < pTriple->num_channels; j++) {
dot11d_info->channel_map[pTriple->first_channel + j] = 1;
dot11d_info->max_tx_pwr_dbm_list[pTriple->first_channel + j] = pTriple->max_tx_pwr_dbm;
MaxChnlNum = pTriple->first_channel + j;
}
pTriple = (struct chnl_txpower_triple *)((u8 *)pTriple + 3);
}
netdev_info(dev->dev, "Channel List:");
for (i = 1; i <= MAX_CHANNEL_NUMBER; i++)
if (dot11d_info->channel_map[i] > 0)
netdev_info(dev->dev, " %d", i);
netdev_info(dev->dev, "\n");
UPDATE_CIE_SRC(dev, pTaddr);
dot11d_info->country_ie_len = CoutryIeLen;
memcpy(dot11d_info->country_ie_buf, pCoutryIe, CoutryIeLen);
dot11d_info->state = DOT11D_STATE_LEARNED;
}
EXPORT_SYMBOL(dot11d_update_country_ie);
u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 Channel)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
u8 MaxTxPwrInDbm = 255;
if (Channel > MAX_CHANNEL_NUMBER) {
netdev_err(dev->dev, "%s: Invalid Channel\n", __func__);
return MaxTxPwrInDbm;
}
if (dot11d_info->channel_map[Channel])
MaxTxPwrInDbm = dot11d_info->max_tx_pwr_dbm_list[Channel];
return MaxTxPwrInDbm;
}
EXPORT_SYMBOL(dot11d_get_max_tx_pwr_in_dbm);
void dot11d_scan_complete(struct ieee80211_device *dev)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
switch (dot11d_info->state) {
case DOT11D_STATE_LEARNED:
dot11d_info->state = DOT11D_STATE_DONE;
break;
case DOT11D_STATE_DONE:
if (GET_CIE_WATCHDOG(dev) == 0) {
/* Reset country IE if previous one is gone. */
dot11d_reset(dev);
}
break;
case DOT11D_STATE_NONE:
break;
}
}
EXPORT_SYMBOL(dot11d_scan_complete);
int is_legal_channel(struct ieee80211_device *dev, u8 channel)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
if (channel > MAX_CHANNEL_NUMBER) {
netdev_err(dev->dev, "%s: Invalid Channel\n", __func__);
return 0;
}
if (dot11d_info->channel_map[channel] > 0)
return 1;
return 0;
}
EXPORT_SYMBOL(is_legal_channel);
int to_legal_channel(struct ieee80211_device *dev, u8 channel)
{
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
u8 default_chn = 0;
u32 i = 0;
for (i = 1; i <= MAX_CHANNEL_NUMBER; i++) {
if (dot11d_info->channel_map[i] > 0) {
default_chn = i;
break;
}
}
if (channel > MAX_CHANNEL_NUMBER) {
netdev_err(dev->dev, "%s: Invalid Channel\n", __func__);
return default_chn;
}
if (dot11d_info->channel_map[channel] > 0)
return channel;
return default_chn;
}
EXPORT_SYMBOL(to_legal_channel);
| linux-master | drivers/staging/rtl8192u/ieee80211/dot11d.c |
// SPDX-License-Identifier: GPL-2.0
/*
* Host AP crypto routines
*
* Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
* Portions Copyright (C) 2004, Intel Corporation <[email protected]>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
#include "ieee80211.h"
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("HostAP crypto");
MODULE_LICENSE("GPL");
struct ieee80211_crypto_alg {
struct list_head list;
struct ieee80211_crypto_ops *ops;
};
struct ieee80211_crypto {
struct list_head algs;
spinlock_t lock;
};
static struct ieee80211_crypto *hcrypt;
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
int force)
{
struct list_head *ptr, *n;
struct ieee80211_crypt_data *entry;
for (ptr = ieee->crypt_deinit_list.next, n = ptr->next;
ptr != &ieee->crypt_deinit_list; ptr = n, n = ptr->next) {
entry = list_entry(ptr, struct ieee80211_crypt_data, list);
if (atomic_read(&entry->refcnt) != 0 && !force)
continue;
list_del(ptr);
if (entry->ops)
entry->ops->deinit(entry->priv);
kfree(entry);
}
}
void ieee80211_crypt_deinit_handler(struct timer_list *t)
{
struct ieee80211_device *ieee = from_timer(ieee, t, crypt_deinit_timer);
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
ieee80211_crypt_deinit_entries(ieee, 0);
if (!list_empty(&ieee->crypt_deinit_list)) {
netdev_dbg(ieee->dev, "%s: entries remaining in delayed crypt deletion list\n",
ieee->dev->name);
ieee->crypt_deinit_timer.expires = jiffies + HZ;
add_timer(&ieee->crypt_deinit_timer);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,
struct ieee80211_crypt_data **crypt)
{
struct ieee80211_crypt_data *tmp;
unsigned long flags;
if (!(*crypt))
return;
tmp = *crypt;
*crypt = NULL;
/* must not run ops->deinit() while there may be pending encrypt or
* decrypt operations. Use a list of delayed deinits to avoid needing
* locking.
*/
spin_lock_irqsave(&ieee->lock, flags);
list_add(&tmp->list, &ieee->crypt_deinit_list);
if (!timer_pending(&ieee->crypt_deinit_timer)) {
ieee->crypt_deinit_timer.expires = jiffies + HZ;
add_timer(&ieee->crypt_deinit_timer);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
{
unsigned long flags;
struct ieee80211_crypto_alg *alg;
if (!hcrypt)
return -1;
alg = kzalloc(sizeof(*alg), GFP_KERNEL);
if (!alg)
return -ENOMEM;
alg->ops = ops;
spin_lock_irqsave(&hcrypt->lock, flags);
list_add(&alg->list, &hcrypt->algs);
spin_unlock_irqrestore(&hcrypt->lock, flags);
pr_debug("ieee80211_crypt: registered algorithm '%s'\n",
ops->name);
return 0;
}
int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
{
unsigned long flags;
struct list_head *ptr;
struct ieee80211_crypto_alg *del_alg = NULL;
if (!hcrypt)
return -1;
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *)ptr;
if (alg->ops == ops) {
list_del(&alg->list);
del_alg = alg;
break;
}
}
spin_unlock_irqrestore(&hcrypt->lock, flags);
if (del_alg) {
pr_debug("ieee80211_crypt: unregistered algorithm '%s'\n",
ops->name);
kfree(del_alg);
}
return del_alg ? 0 : -1;
}
struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name)
{
unsigned long flags;
struct list_head *ptr;
struct ieee80211_crypto_alg *found_alg = NULL;
if (!hcrypt)
return NULL;
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *)ptr;
if (strcmp(alg->ops->name, name) == 0) {
found_alg = alg;
break;
}
}
spin_unlock_irqrestore(&hcrypt->lock, flags);
if (found_alg)
return found_alg->ops;
return NULL;
}
static void *ieee80211_crypt_null_init(int keyidx) { return (void *)1; }
static void ieee80211_crypt_null_deinit(void *priv) {}
static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.name = "NULL",
.init = ieee80211_crypt_null_init,
.deinit = ieee80211_crypt_null_deinit,
.encrypt_mpdu = NULL,
.decrypt_mpdu = NULL,
.encrypt_msdu = NULL,
.decrypt_msdu = NULL,
.set_key = NULL,
.get_key = NULL,
.extra_prefix_len = 0,
.extra_postfix_len = 0,
.owner = THIS_MODULE,
};
int __init ieee80211_crypto_init(void)
{
int ret = -ENOMEM;
hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
if (!hcrypt)
goto out;
INIT_LIST_HEAD(&hcrypt->algs);
spin_lock_init(&hcrypt->lock);
ret = ieee80211_register_crypto_ops(&ieee80211_crypt_null);
if (ret < 0) {
kfree(hcrypt);
hcrypt = NULL;
}
out:
return ret;
}
void ieee80211_crypto_deinit(void)
{
struct list_head *ptr, *n;
if (!hcrypt)
return;
for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs;
ptr = n, n = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *)ptr;
list_del(ptr);
pr_debug("ieee80211_crypt: unregistered algorithm '%s' (deinit)\n",
alg->ops->name);
kfree(alg);
}
kfree(hcrypt);
}
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c |
// SPDX-License-Identifier: GPL-2.0
/*
* Original code based Host AP (software wireless LAN access point) driver
* for Intersil Prism2/2.5/3 - hostap.o module, common routines
*
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
* <[email protected]>
* Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
* Copyright (c) 2004, Intel Corporation
******************************************************************************
Few modifications for Realtek's Wi-Fi drivers by
Andrea Merello <[email protected]>
A special thanks goes to Realtek for their support !
******************************************************************************/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/if_arp.h>
#include <linux/in6.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <linux/uaccess.h>
#include <linux/ctype.h>
#include "ieee80211.h"
#include "dot11d.h"
static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee,
struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats)
{
struct rtl_80211_hdr_4addr *hdr = (struct rtl_80211_hdr_4addr *)skb->data;
u16 fc = le16_to_cpu(hdr->frame_ctl);
skb->dev = ieee->dev;
skb_reset_mac_header(skb);
skb_pull(skb, ieee80211_get_hdrlen(fc));
skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_80211_RAW);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
/* Called only as a tasklet (software IRQ) */
static struct ieee80211_frag_entry *
ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq,
unsigned int frag, u8 tid, u8 *src, u8 *dst)
{
struct ieee80211_frag_entry *entry;
int i;
for (i = 0; i < IEEE80211_FRAG_CACHE_LEN; i++) {
entry = &ieee->frag_cache[tid][i];
if (entry->skb &&
time_after(jiffies, entry->first_frag_time + 2 * HZ)) {
IEEE80211_DEBUG_FRAG(
"expiring fragment cache entry "
"seq=%u last_frag=%u\n",
entry->seq, entry->last_frag);
dev_kfree_skb_any(entry->skb);
entry->skb = NULL;
}
if (entry->skb && entry->seq == seq &&
(entry->last_frag + 1 == frag || frag == -1) &&
memcmp(entry->src_addr, src, ETH_ALEN) == 0 &&
memcmp(entry->dst_addr, dst, ETH_ALEN) == 0)
return entry;
}
return NULL;
}
/* Called only as a tasklet (software IRQ) */
static struct sk_buff *
ieee80211_frag_cache_get(struct ieee80211_device *ieee,
struct rtl_80211_hdr_4addr *hdr)
{
struct sk_buff *skb = NULL;
u16 fc = le16_to_cpu(hdr->frame_ctl);
u16 sc = le16_to_cpu(hdr->seq_ctl);
unsigned int frag = WLAN_GET_SEQ_FRAG(sc);
unsigned int seq = WLAN_GET_SEQ_SEQ(sc);
struct ieee80211_frag_entry *entry;
struct rtl_80211_hdr_3addrqos *hdr_3addrqos;
struct rtl_80211_hdr_4addrqos *hdr_4addrqos;
u8 tid;
if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
hdr_4addrqos = (struct rtl_80211_hdr_4addrqos *)hdr;
tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else if (IEEE80211_QOS_HAS_SEQ(fc)) {
hdr_3addrqos = (struct rtl_80211_hdr_3addrqos *)hdr;
tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else {
tid = 0;
}
if (frag == 0) {
/* Reserve enough space to fit maximum frame length */
skb = dev_alloc_skb(ieee->dev->mtu +
sizeof(struct rtl_80211_hdr_4addr) +
8 /* LLC */ +
2 /* alignment */ +
8 /* WEP */ +
ETH_ALEN /* WDS */ +
(IEEE80211_QOS_HAS_SEQ(fc) ? 2 : 0) /* QOS Control */);
if (!skb)
return NULL;
entry = &ieee->frag_cache[tid][ieee->frag_next_idx[tid]];
ieee->frag_next_idx[tid]++;
if (ieee->frag_next_idx[tid] >= IEEE80211_FRAG_CACHE_LEN)
ieee->frag_next_idx[tid] = 0;
if (entry->skb)
dev_kfree_skb_any(entry->skb);
entry->first_frag_time = jiffies;
entry->seq = seq;
entry->last_frag = frag;
entry->skb = skb;
memcpy(entry->src_addr, hdr->addr2, ETH_ALEN);
memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN);
} else {
/* received a fragment of a frame for which the head fragment
* should have already been received */
entry = ieee80211_frag_cache_find(ieee, seq, frag, tid, hdr->addr2,
hdr->addr1);
if (entry) {
entry->last_frag = frag;
skb = entry->skb;
}
}
return skb;
}
/* Called only as a tasklet (software IRQ) */
static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
struct rtl_80211_hdr_4addr *hdr)
{
u16 fc = le16_to_cpu(hdr->frame_ctl);
u16 sc = le16_to_cpu(hdr->seq_ctl);
unsigned int seq = WLAN_GET_SEQ_SEQ(sc);
struct ieee80211_frag_entry *entry;
struct rtl_80211_hdr_3addrqos *hdr_3addrqos;
struct rtl_80211_hdr_4addrqos *hdr_4addrqos;
u8 tid;
if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
hdr_4addrqos = (struct rtl_80211_hdr_4addrqos *)hdr;
tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else if (IEEE80211_QOS_HAS_SEQ(fc)) {
hdr_3addrqos = (struct rtl_80211_hdr_3addrqos *)hdr;
tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else {
tid = 0;
}
entry = ieee80211_frag_cache_find(ieee, seq, -1, tid, hdr->addr2,
hdr->addr1);
if (!entry) {
IEEE80211_DEBUG_FRAG(
"could not invalidate fragment cache "
"entry (seq=%u)\n", seq);
return -1;
}
entry->skb = NULL;
return 0;
}
/* ieee80211_rx_frame_mgtmt
*
* Responsible for handling management control frames
*
* Called by ieee80211_rx */
static inline int
ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats, u16 type,
u16 stype)
{
/* On the struct stats definition there is written that
* this is not mandatory.... but seems that the probe
* response parser uses it
*/
struct rtl_80211_hdr_3addr *hdr = (struct rtl_80211_hdr_3addr *)skb->data;
rx_stats->len = skb->len;
ieee80211_rx_mgt(ieee, (struct rtl_80211_hdr_4addr *)skb->data, rx_stats);
/* if ((ieee->state == IEEE80211_LINKED) && (memcmp(hdr->addr3, ieee->current_network.bssid, ETH_ALEN))) */
if ((memcmp(hdr->addr1, ieee->dev->dev_addr, ETH_ALEN))) {
/* use ADDR1 to perform address matching for Management frames */
dev_kfree_skb_any(skb);
return 0;
}
ieee80211_rx_frame_softmac(ieee, skb, rx_stats, type, stype);
dev_kfree_skb_any(skb);
return 0;
#ifdef NOT_YET
if (ieee->iw_mode == IW_MODE_MASTER) {
netdev_dbg(ieee->dev, "Master mode not yet supported.\n");
return 0;
/*
hostap_update_sta_ps(ieee, (struct hostap_ieee80211_hdr_4addr *)
skb->data);*/
}
if (ieee->hostapd && type == IEEE80211_TYPE_MGMT) {
if (stype == WLAN_FC_STYPE_BEACON &&
ieee->iw_mode == IW_MODE_MASTER) {
struct sk_buff *skb2;
/* Process beacon frames also in kernel driver to
* update STA(AP) table statistics */
skb2 = skb_clone(skb, GFP_ATOMIC);
if (skb2)
hostap_rx(skb2->dev, skb2, rx_stats);
}
/* send management frames to the user space daemon for
* processing */
ieee->apdevstats.rx_packets++;
ieee->apdevstats.rx_bytes += skb->len;
prism2_rx_80211(ieee->apdev, skb, rx_stats, PRISM2_RX_MGMT);
return 0;
}
if (ieee->iw_mode == IW_MODE_MASTER) {
if (type != WLAN_FC_TYPE_MGMT && type != WLAN_FC_TYPE_CTRL) {
netdev_dbg(skb->dev, "unknown management frame "
"(type=0x%02x, stype=0x%02x) dropped\n",
type, stype);
return -1;
}
hostap_rx(skb->dev, skb, rx_stats);
return 0;
}
netdev_dbg(skb->dev, "hostap_rx_frame_mgmt: management frame "
"received in non-Host AP mode\n");
return -1;
#endif
}
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
static unsigned char rfc1042_header[] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
static unsigned char bridge_tunnel_header[] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
/* Called by ieee80211_rx_frame_decrypt */
static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
struct sk_buff *skb, size_t hdrlen)
{
struct net_device *dev = ieee->dev;
u16 fc, ethertype;
struct rtl_80211_hdr_4addr *hdr;
u8 *pos;
if (skb->len < 24)
return 0;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
fc = le16_to_cpu(hdr->frame_ctl);
/* check that the frame is unicast frame to us */
if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
IEEE80211_FCTL_TODS &&
memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0 &&
memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) {
/* ToDS frame with own addr BSSID and DA */
} else if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
IEEE80211_FCTL_FROMDS &&
memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) {
/* FromDS frame with own addr as DA */
} else
return 0;
if (skb->len < 24 + 8)
return 0;
/* check for port access entity Ethernet type */
// pos = skb->data + 24;
pos = skb->data + hdrlen;
ethertype = (pos[6] << 8) | pos[7];
if (ethertype == ETH_P_PAE)
return 1;
return 0;
}
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_crypt_data *crypt)
{
struct rtl_80211_hdr_4addr *hdr;
int res, hdrlen;
if (!crypt || !crypt->ops->decrypt_mpdu)
return 0;
if (ieee->hwsec_active) {
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->bHwSec = 1;
}
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
if (ieee->tkip_countermeasures &&
strcmp(crypt->ops->name, "TKIP") == 0) {
if (net_ratelimit()) {
netdev_dbg(ieee->dev, "TKIP countermeasures: dropped "
"received packet from %pM\n",
hdr->addr2);
}
return -1;
}
atomic_inc(&crypt->refcnt);
res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv);
atomic_dec(&crypt->refcnt);
if (res < 0) {
IEEE80211_DEBUG_DROP(
"decryption failed (SA=%pM"
") res=%d\n", hdr->addr2, res);
if (res == -2)
IEEE80211_DEBUG_DROP("Decryption failed ICV "
"mismatch (key %d)\n",
skb->data[hdrlen + 3] >> 6);
ieee->ieee_stats.rx_discards_undecryptable++;
return -1;
}
return res;
}
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device *ieee, struct sk_buff *skb,
int keyidx, struct ieee80211_crypt_data *crypt)
{
struct rtl_80211_hdr_4addr *hdr;
int res, hdrlen;
if (!crypt || !crypt->ops->decrypt_msdu)
return 0;
if (ieee->hwsec_active) {
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->bHwSec = 1;
}
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
atomic_inc(&crypt->refcnt);
res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv);
atomic_dec(&crypt->refcnt);
if (res < 0) {
netdev_dbg(ieee->dev, "MSDU decryption/MIC verification failed"
" (SA=%pM keyidx=%d)\n",
hdr->addr2, keyidx);
return -1;
}
return 0;
}
/* this function is stolen from ipw2200 driver*/
#define IEEE_PACKET_RETRY_TIME (5 * HZ)
static int is_duplicate_packet(struct ieee80211_device *ieee,
struct rtl_80211_hdr_4addr *header)
{
u16 fc = le16_to_cpu(header->frame_ctl);
u16 sc = le16_to_cpu(header->seq_ctl);
u16 seq = WLAN_GET_SEQ_SEQ(sc);
u16 frag = WLAN_GET_SEQ_FRAG(sc);
u16 *last_seq, *last_frag;
unsigned long *last_time;
struct rtl_80211_hdr_3addrqos *hdr_3addrqos;
struct rtl_80211_hdr_4addrqos *hdr_4addrqos;
u8 tid;
//TO2DS and QoS
if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
hdr_4addrqos = (struct rtl_80211_hdr_4addrqos *)header;
tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else if (IEEE80211_QOS_HAS_SEQ(fc)) { //QoS
hdr_3addrqos = (struct rtl_80211_hdr_3addrqos *)header;
tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QCTL_TID;
tid = UP2AC(tid);
tid++;
} else { // no QoS
tid = 0;
}
switch (ieee->iw_mode) {
case IW_MODE_ADHOC:
{
struct list_head *p;
struct ieee_ibss_seq *entry = NULL;
u8 *mac = header->addr2;
int index = mac[5] % IEEE_IBSS_MAC_HASH_SIZE;
list_for_each(p, &ieee->ibss_mac_hash[index]) {
entry = list_entry(p, struct ieee_ibss_seq, list);
if (!memcmp(entry->mac, mac, ETH_ALEN))
break;
}
// if (memcmp(entry->mac, mac, ETH_ALEN)){
if (p == &ieee->ibss_mac_hash[index]) {
entry = kmalloc(sizeof(struct ieee_ibss_seq), GFP_ATOMIC);
if (!entry)
return 0;
memcpy(entry->mac, mac, ETH_ALEN);
entry->seq_num[tid] = seq;
entry->frag_num[tid] = frag;
entry->packet_time[tid] = jiffies;
list_add(&entry->list, &ieee->ibss_mac_hash[index]);
return 0;
}
last_seq = &entry->seq_num[tid];
last_frag = &entry->frag_num[tid];
last_time = &entry->packet_time[tid];
break;
}
case IW_MODE_INFRA:
last_seq = &ieee->last_rxseq_num[tid];
last_frag = &ieee->last_rxfrag_num[tid];
last_time = &ieee->last_packet_time[tid];
break;
default:
return 0;
}
// if(tid != 0) {
// printk(KERN_WARNING ":)))))))))))%x %x %x, fc(%x)\n", tid, *last_seq, seq, header->frame_ctl);
// }
if ((*last_seq == seq) &&
time_after(*last_time + IEEE_PACKET_RETRY_TIME, jiffies)) {
if (*last_frag == frag)
goto drop;
if (*last_frag + 1 != frag)
/* out-of-order fragment */
goto drop;
} else
*last_seq = seq;
*last_frag = frag;
*last_time = jiffies;
return 0;
drop:
// BUG_ON(!(fc & IEEE80211_FCTL_RETRY));
return 1;
}
static bool AddReorderEntry(struct rx_ts_record *pTS, struct rx_reorder_entry *pReorderEntry)
{
struct list_head *pList = &pTS->rx_pending_pkt_list;
while (pList->next != &pTS->rx_pending_pkt_list) {
if (SN_LESS(pReorderEntry->SeqNum, list_entry(pList->next, struct rx_reorder_entry, List)->SeqNum))
pList = pList->next;
else if (SN_EQUAL(pReorderEntry->SeqNum, list_entry(pList->next, struct rx_reorder_entry, List)->SeqNum))
return false;
else
break;
}
pReorderEntry->List.next = pList->next;
pReorderEntry->List.next->prev = &pReorderEntry->List;
pReorderEntry->List.prev = pList;
pList->next = &pReorderEntry->List;
return true;
}
static void indicate_packets(struct ieee80211_device *ieee,
struct ieee80211_rxb *rxb)
{
struct net_device_stats *stats = &ieee->stats;
struct net_device *dev = ieee->dev;
u16 ethertype;
u8 i;
for (i = 0; i < rxb->nr_subframes; i++) {
struct sk_buff *sub_skb = rxb->subframes[i];
if (!sub_skb)
continue;
/* convert hdr + possible LLC headers into Ethernet header */
ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
if (sub_skb->len >= 8 &&
((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
ethertype != ETH_P_AARP &&
ethertype != ETH_P_IPX) ||
!memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and
* replace EtherType */
skb_pull(sub_skb, SNAP_SIZE);
} else {
/* Leave Ethernet header part of hdr and full payload */
put_unaligned_be16(sub_skb->len, skb_push(sub_skb, 2));
}
memcpy(skb_push(sub_skb, ETH_ALEN), rxb->src, ETH_ALEN);
memcpy(skb_push(sub_skb, ETH_ALEN), rxb->dst, ETH_ALEN);
stats->rx_packets++;
stats->rx_bytes += sub_skb->len;
if (is_multicast_ether_addr(rxb->dst))
stats->multicast++;
/* Indicate the packets to upper layer */
sub_skb->protocol = eth_type_trans(sub_skb, dev);
memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
sub_skb->dev = dev;
/* 802.11 crc not sufficient */
sub_skb->ip_summed = CHECKSUM_NONE;
ieee->last_rx_ps_time = jiffies;
netif_rx(sub_skb);
}
}
void ieee80211_indicate_packets(struct ieee80211_device *ieee,
struct ieee80211_rxb **prxbIndicateArray,
u8 index)
{
u8 i;
for (i = 0; i < index; i++) {
struct ieee80211_rxb *prxb = prxbIndicateArray[i];
indicate_packets(ieee, prxb);
kfree(prxb);
prxb = NULL;
}
}
static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
struct ieee80211_rxb *prxb,
struct rx_ts_record *pTS, u16 SeqNum)
{
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
struct rx_reorder_entry *pReorderEntry = NULL;
struct ieee80211_rxb **prxbIndicateArray;
u8 WinSize = pHTInfo->RxReorderWinSize;
u16 WinEnd = (pTS->rx_indicate_seq + WinSize - 1) % 4096;
u8 index = 0;
bool bMatchWinStart = false, bPktInBuf = false;
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s(): Seq is %d,pTS->rx_indicate_seq is %d, WinSize is %d\n", __func__, SeqNum, pTS->rx_indicate_seq, WinSize);
prxbIndicateArray = kmalloc_array(REORDER_WIN_SIZE,
sizeof(struct ieee80211_rxb *),
GFP_ATOMIC);
if (!prxbIndicateArray)
return;
/* Rx Reorder initialize condition.*/
if (pTS->rx_indicate_seq == 0xffff)
pTS->rx_indicate_seq = SeqNum;
/* Drop out the packet which SeqNum is smaller than WinStart */
if (SN_LESS(SeqNum, pTS->rx_indicate_seq)) {
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "Packet Drop! IndicateSeq: %d, NewSeq: %d\n",
pTS->rx_indicate_seq, SeqNum);
pHTInfo->RxReorderDropCounter++;
{
int i;
for (i = 0; i < prxb->nr_subframes; i++)
dev_kfree_skb(prxb->subframes[i]);
kfree(prxb);
prxb = NULL;
}
kfree(prxbIndicateArray);
return;
}
/*
* Sliding window manipulation. Conditions includes:
* 1. Incoming SeqNum is equal to WinStart =>Window shift 1
* 2. Incoming SeqNum is larger than the WinEnd => Window shift N
*/
if (SN_EQUAL(SeqNum, pTS->rx_indicate_seq)) {
pTS->rx_indicate_seq = (pTS->rx_indicate_seq + 1) % 4096;
bMatchWinStart = true;
} else if (SN_LESS(WinEnd, SeqNum)) {
if (SeqNum >= (WinSize - 1))
pTS->rx_indicate_seq = SeqNum + 1 - WinSize;
else
pTS->rx_indicate_seq = 4095 - (WinSize - (SeqNum + 1)) + 1;
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "Window Shift! IndicateSeq: %d, NewSeq: %d\n", pTS->rx_indicate_seq, SeqNum);
}
/*
* Indication process.
* After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets
* with the SeqNum smaller than latest WinStart and buffer other packets.
*/
/* For Rx Reorder condition:
* 1. All packets with SeqNum smaller than WinStart => Indicate
* 2. All packets with SeqNum larger than or equal to WinStart => Buffer it.
*/
if (bMatchWinStart) {
/* Current packet is going to be indicated.*/
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "Packets indication!! IndicateSeq: %d, NewSeq: %d\n",\
pTS->rx_indicate_seq, SeqNum);
prxbIndicateArray[0] = prxb;
// printk("========================>%s(): SeqNum is %d\n",__func__,SeqNum);
index = 1;
} else {
/* Current packet is going to be inserted into pending list.*/
//IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): We RX no ordered packed, insert to ordered list\n",__func__);
if (!list_empty(&ieee->RxReorder_Unused_List)) {
pReorderEntry = list_entry(ieee->RxReorder_Unused_List.next, struct rx_reorder_entry, List);
list_del_init(&pReorderEntry->List);
/* Make a reorder entry and insert into a the packet list.*/
pReorderEntry->SeqNum = SeqNum;
pReorderEntry->prxb = prxb;
// IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): pREorderEntry->SeqNum is %d\n",__func__,pReorderEntry->SeqNum);
if (!AddReorderEntry(pTS, pReorderEntry)) {
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s(): Duplicate packet is dropped!! IndicateSeq: %d, NewSeq: %d\n",
__func__, pTS->rx_indicate_seq, SeqNum);
list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
{
int i;
for (i = 0; i < prxb->nr_subframes; i++)
dev_kfree_skb(prxb->subframes[i]);
kfree(prxb);
prxb = NULL;
}
} else {
IEEE80211_DEBUG(IEEE80211_DL_REORDER,
"Pkt insert into buffer!! IndicateSeq: %d, NewSeq: %d\n", pTS->rx_indicate_seq, SeqNum);
}
} else {
/*
* Packets are dropped if there is not enough reorder entries.
* This part shall be modified!! We can just indicate all the
* packets in buffer and get reorder entries.
*/
IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): There is no reorder entry!! Packet is dropped!!\n");
{
int i;
for (i = 0; i < prxb->nr_subframes; i++)
dev_kfree_skb(prxb->subframes[i]);
kfree(prxb);
prxb = NULL;
}
}
}
/* Check if there is any packet need indicate.*/
while (!list_empty(&pTS->rx_pending_pkt_list)) {
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s(): start RREORDER indicate\n", __func__);
pReorderEntry = list_entry(pTS->rx_pending_pkt_list.prev, struct rx_reorder_entry, List);
if (SN_LESS(pReorderEntry->SeqNum, pTS->rx_indicate_seq) ||
SN_EQUAL(pReorderEntry->SeqNum, pTS->rx_indicate_seq)) {
/* This protect buffer from overflow. */
if (index >= REORDER_WIN_SIZE) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Buffer overflow!! \n");
bPktInBuf = true;
break;
}
list_del_init(&pReorderEntry->List);
if (SN_EQUAL(pReorderEntry->SeqNum, pTS->rx_indicate_seq))
pTS->rx_indicate_seq = (pTS->rx_indicate_seq + 1) % 4096;
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "Packets indication!! IndicateSeq: %d, NewSeq: %d\n", pTS->rx_indicate_seq, SeqNum);
prxbIndicateArray[index] = pReorderEntry->prxb;
// printk("========================>%s(): pReorderEntry->SeqNum is %d\n",__func__,pReorderEntry->SeqNum);
index++;
list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
} else {
bPktInBuf = true;
break;
}
}
/* Handling pending timer. Set this timer to prevent from long time Rx buffering.*/
if (index > 0) {
// Cancel previous pending timer.
// del_timer_sync(&pTS->rx_pkt_pending_timer);
pTS->rx_timeout_indicate_seq = 0xffff;
// Indicate packets
if (index > REORDER_WIN_SIZE) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorder buffer full!! \n");
kfree(prxbIndicateArray);
return;
}
ieee80211_indicate_packets(ieee, prxbIndicateArray, index);
}
if (bPktInBuf && pTS->rx_timeout_indicate_seq == 0xffff) {
// Set new pending timer.
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s(): SET rx timeout timer\n", __func__);
pTS->rx_timeout_indicate_seq = pTS->rx_indicate_seq;
if (timer_pending(&pTS->rx_pkt_pending_timer))
del_timer_sync(&pTS->rx_pkt_pending_timer);
pTS->rx_pkt_pending_timer.expires = jiffies +
msecs_to_jiffies(pHTInfo->RxReorderPendingTime);
add_timer(&pTS->rx_pkt_pending_timer);
}
kfree(prxbIndicateArray);
}
static u8 parse_subframe(struct ieee80211_device *ieee,
struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats,
struct ieee80211_rxb *rxb, u8 *src, u8 *dst)
{
struct rtl_80211_hdr_3addr *hdr = (struct rtl_80211_hdr_3addr *)skb->data;
u16 fc = le16_to_cpu(hdr->frame_ctl);
u16 LLCOffset = sizeof(struct rtl_80211_hdr_3addr);
u16 ChkLength;
bool bIsAggregateFrame = false;
u16 nSubframe_Length;
u8 nPadding_Length = 0;
u16 SeqNum = 0;
struct sk_buff *sub_skb;
/* just for debug purpose */
SeqNum = WLAN_GET_SEQ_SEQ(le16_to_cpu(hdr->seq_ctl));
if ((IEEE80211_QOS_HAS_SEQ(fc)) && \
(((frameqos *)(skb->data + IEEE80211_3ADDR_LEN))->field.reserved)) {
bIsAggregateFrame = true;
}
if (IEEE80211_QOS_HAS_SEQ(fc))
LLCOffset += 2;
if (rx_stats->bContainHTC)
LLCOffset += HTCLNG;
// Null packet, don't indicate it to upper layer
ChkLength = LLCOffset;/* + (Frame_WEP(frame)!=0 ?Adapter->MgntInfo.SecurityInfo.EncryptionHeadOverhead:0);*/
if (skb->len <= ChkLength)
return 0;
skb_pull(skb, LLCOffset);
if (!bIsAggregateFrame) {
rxb->nr_subframes = 1;
#ifdef JOHN_NOCPY
rxb->subframes[0] = skb;
#else
rxb->subframes[0] = skb_copy(skb, GFP_ATOMIC);
#endif
memcpy(rxb->src, src, ETH_ALEN);
memcpy(rxb->dst, dst, ETH_ALEN);
//IEEE80211_DEBUG_DATA(IEEE80211_DL_RX,skb->data,skb->len);
return 1;
} else {
rxb->nr_subframes = 0;
memcpy(rxb->src, src, ETH_ALEN);
memcpy(rxb->dst, dst, ETH_ALEN);
while (skb->len > ETHERNET_HEADER_SIZE) {
/* Offset 12 denote 2 mac address */
nSubframe_Length = *((u16 *)(skb->data + 12));
//==m==>change the length order
nSubframe_Length = (nSubframe_Length >> 8) + (nSubframe_Length << 8);
if (skb->len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
netdev_dbg(ieee->dev, "A-MSDU parse error!! pRfd->nTotalSubframe : %d\n",
rxb->nr_subframes);
netdev_dbg(ieee->dev, "A-MSDU parse error!! Subframe Length: %d\n", nSubframe_Length);
netdev_dbg(ieee->dev, "nRemain_Length is %d and nSubframe_Length is : %d\n", skb->len, nSubframe_Length);
netdev_dbg(ieee->dev, "The Packet SeqNum is %d\n", SeqNum);
return 0;
}
/* move the data point to data content */
skb_pull(skb, ETHERNET_HEADER_SIZE);
#ifdef JOHN_NOCPY
sub_skb = skb_clone(skb, GFP_ATOMIC);
sub_skb->len = nSubframe_Length;
sub_skb->tail = sub_skb->data + nSubframe_Length;
#else
/* Allocate new skb for releasing to upper layer */
sub_skb = dev_alloc_skb(nSubframe_Length + 12);
if (!sub_skb)
return 0;
skb_reserve(sub_skb, 12);
skb_put_data(sub_skb, skb->data, nSubframe_Length);
#endif
rxb->subframes[rxb->nr_subframes++] = sub_skb;
if (rxb->nr_subframes >= MAX_SUBFRAME_COUNT) {
IEEE80211_DEBUG_RX("ParseSubframe(): Too many Subframes! Packets dropped!\n");
break;
}
skb_pull(skb, nSubframe_Length);
if (skb->len != 0) {
nPadding_Length = 4 - ((nSubframe_Length + ETHERNET_HEADER_SIZE) % 4);
if (nPadding_Length == 4)
nPadding_Length = 0;
if (skb->len < nPadding_Length)
return 0;
skb_pull(skb, nPadding_Length);
}
}
#ifdef JOHN_NOCPY
dev_kfree_skb(skb);
#endif
//{just for debug added by david
//printk("AMSDU::rxb->nr_subframes = %d\n",rxb->nr_subframes);
//}
return rxb->nr_subframes;
}
}
/* All received frames are sent to this function. @skb contains the frame in
* IEEE 802.11 format, i.e., in the format it was sent over air.
* This function is called only as a tasklet (software IRQ). */
int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats)
{
struct net_device *dev = ieee->dev;
struct rtl_80211_hdr_4addr *hdr;
//struct rtl_80211_hdr_3addrqos *hdr;
size_t hdrlen;
u16 fc, type, stype, sc;
struct net_device_stats *stats;
unsigned int frag;
//added by amy for reorder
u8 TID = 0;
u16 SeqNum = 0;
struct rx_ts_record *pTS = NULL;
//bool bIsAggregateFrame = false;
//added by amy for reorder
#ifdef NOT_YET
struct net_device *wds = NULL;
struct net_device *wds = NULL;
int from_assoc_ap = 0;
void *sta = NULL;
#endif
// u16 qos_ctl = 0;
u8 dst[ETH_ALEN];
u8 src[ETH_ALEN];
u8 bssid[ETH_ALEN];
struct ieee80211_crypt_data *crypt = NULL;
int keyidx = 0;
int i;
struct ieee80211_rxb *rxb = NULL;
// cheat the hdr type
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
stats = &ieee->stats;
if (skb->len < 10) {
netdev_info(dev, "SKB length < 10\n");
goto rx_dropped;
}
fc = le16_to_cpu(hdr->frame_ctl);
type = WLAN_FC_GET_TYPE(fc);
stype = WLAN_FC_GET_STYPE(fc);
sc = le16_to_cpu(hdr->seq_ctl);
frag = WLAN_GET_SEQ_FRAG(sc);
hdrlen = ieee80211_get_hdrlen(fc);
if (HTCCheck(ieee, skb->data)) {
if (net_ratelimit())
netdev_warn(dev, "find HTCControl\n");
hdrlen += 4;
rx_stats->bContainHTC = true;
}
//IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
#ifdef NOT_YET
/* Put this code here so that we avoid duplicating it in all
* Rx paths. - Jean II */
#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
/* If spy monitoring on */
if (iface->spy_data.spy_number > 0) {
struct iw_quality wstats;
wstats.level = rx_stats->rssi;
wstats.noise = rx_stats->noise;
wstats.updated = 6; /* No qual value */
/* Update spy records */
wireless_spy_update(dev, hdr->addr2, &wstats);
}
#endif /* IW_WIRELESS_SPY */
hostap_update_rx_stats(local->ap, hdr, rx_stats);
#endif
if (ieee->iw_mode == IW_MODE_MONITOR) {
unsigned int len = skb->len;
ieee80211_monitor_rx(ieee, skb, rx_stats);
stats->rx_packets++;
stats->rx_bytes += len;
return 1;
}
if (ieee->host_decrypt) {
int idx = 0;
if (skb->len >= hdrlen + 3)
idx = skb->data[hdrlen + 3] >> 6;
crypt = ieee->crypt[idx];
#ifdef NOT_YET
sta = NULL;
/* Use station specific key to override default keys if the
* receiver address is a unicast address ("individual RA"). If
* bcrx_sta_key parameter is set, station specific key is used
* even with broad/multicast targets (this is against IEEE
* 802.11, but makes it easier to use different keys with
* stations that do not support WEP key mapping). */
if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key)
(void)hostap_handle_sta_crypto(local, hdr, &crypt,
&sta);
#endif
/* allow NULL decrypt to indicate an station specific override
* for default encryption */
if (crypt && (!crypt->ops || !crypt->ops->decrypt_mpdu))
crypt = NULL;
if (!crypt && (fc & IEEE80211_FCTL_WEP)) {
/* This seems to be triggered by some (multicast?)
* frames from other than current BSS, so just drop the
* frames silently instead of filling system log with
* these reports. */
IEEE80211_DEBUG_DROP("Decryption failed (not set)"
" (SA=%pM)\n",
hdr->addr2);
ieee->ieee_stats.rx_discards_undecryptable++;
goto rx_dropped;
}
}
if (skb->len < IEEE80211_DATA_HDR3_LEN)
goto rx_dropped;
// if QoS enabled, should check the sequence for each of the AC
if ((!ieee->pHTInfo->bCurRxReorderEnable) || !ieee->current_network.qos_data.active || !IsDataFrame(skb->data) || IsLegacyDataFrame(skb->data)) {
if (is_duplicate_packet(ieee, hdr))
goto rx_dropped;
} else {
struct rx_ts_record *pRxTS = NULL;
//IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): QOS ENABLE AND RECEIVE QOS DATA , we will get Ts, tid:%d\n",__func__, tid);
if (GetTs(
ieee,
(struct ts_common_info **)&pRxTS,
hdr->addr2,
Frame_QoSTID((u8 *)(skb->data)),
RX_DIR,
true)) {
// IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): pRxTS->rx_last_frag_num is %d,frag is %d,pRxTS->rx_last_seq_num is %d,seq is %d\n",__func__,pRxTS->rx_last_frag_num,frag,pRxTS->rx_last_seq_num,WLAN_GET_SEQ_SEQ(sc));
if ((fc & (1 << 11)) &&
(frag == pRxTS->rx_last_frag_num) &&
(WLAN_GET_SEQ_SEQ(sc) == pRxTS->rx_last_seq_num)) {
goto rx_dropped;
} else {
pRxTS->rx_last_frag_num = frag;
pRxTS->rx_last_seq_num = WLAN_GET_SEQ_SEQ(sc);
}
} else {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s(): No TS!! Skip the check!!\n", __func__);
goto rx_dropped;
}
}
if (type == IEEE80211_FTYPE_MGMT) {
//IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
if (ieee80211_rx_frame_mgmt(ieee, skb, rx_stats, type, stype))
goto rx_dropped;
else
goto rx_exit;
}
/* Data frame - extract src/dst addresses */
switch (fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
case IEEE80211_FCTL_FROMDS:
memcpy(dst, hdr->addr1, ETH_ALEN);
memcpy(src, hdr->addr3, ETH_ALEN);
memcpy(bssid, hdr->addr2, ETH_ALEN);
break;
case IEEE80211_FCTL_TODS:
memcpy(dst, hdr->addr3, ETH_ALEN);
memcpy(src, hdr->addr2, ETH_ALEN);
memcpy(bssid, hdr->addr1, ETH_ALEN);
break;
case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
if (skb->len < IEEE80211_DATA_HDR4_LEN)
goto rx_dropped;
memcpy(dst, hdr->addr3, ETH_ALEN);
memcpy(src, hdr->addr4, ETH_ALEN);
memcpy(bssid, ieee->current_network.bssid, ETH_ALEN);
break;
default:
memcpy(dst, hdr->addr1, ETH_ALEN);
memcpy(src, hdr->addr2, ETH_ALEN);
memcpy(bssid, hdr->addr3, ETH_ALEN);
break;
}
#ifdef NOT_YET
if (hostap_rx_frame_wds(ieee, hdr, fc, &wds))
goto rx_dropped;
if (wds) {
skb->dev = dev = wds;
stats = hostap_get_stats(dev);
}
if (ieee->iw_mode == IW_MODE_MASTER && !wds &&
(fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_FROMDS &&
ieee->stadev &&
memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) {
/* Frame from BSSID of the AP for which we are a client */
skb->dev = dev = ieee->stadev;
stats = hostap_get_stats(dev);
from_assoc_ap = 1;
}
if ((ieee->iw_mode == IW_MODE_MASTER ||
ieee->iw_mode == IW_MODE_REPEAT) &&
!from_assoc_ap) {
switch (hostap_handle_sta_rx(ieee, dev, skb, rx_stats,
wds)) {
case AP_RX_CONTINUE_NOT_AUTHORIZED:
case AP_RX_CONTINUE:
break;
case AP_RX_DROP:
goto rx_dropped;
case AP_RX_EXIT:
goto rx_exit;
}
}
#endif
//IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
/* Nullfunc frames may have PS-bit set, so they must be passed to
* hostap_handle_sta_rx() before being dropped here. */
if (stype != IEEE80211_STYPE_DATA &&
stype != IEEE80211_STYPE_DATA_CFACK &&
stype != IEEE80211_STYPE_DATA_CFPOLL &&
stype != IEEE80211_STYPE_DATA_CFACKPOLL &&
stype != IEEE80211_STYPE_QOS_DATA//add by David,2006.8.4
) {
if (stype != IEEE80211_STYPE_NULLFUNC)
IEEE80211_DEBUG_DROP(
"RX: dropped data frame "
"with no data (type=0x%02x, "
"subtype=0x%02x, len=%d)\n",
type, stype, skb->len);
goto rx_dropped;
}
if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN))
goto rx_dropped;
/* skb: hdr + (possibly fragmented, possibly encrypted) payload */
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP)) {
keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt);
if (keyidx < 0) {
netdev_dbg(ieee->dev, "decrypt frame error\n");
goto rx_dropped;
}
}
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
/* skb: hdr + (possibly fragmented) plaintext payload */
// PR: FIXME: hostap has additional conditions in the "if" below:
// ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
if ((frag != 0 || (fc & IEEE80211_FCTL_MOREFRAGS))) {
int flen;
struct sk_buff *frag_skb = ieee80211_frag_cache_get(ieee, hdr);
IEEE80211_DEBUG_FRAG("Rx Fragment received (%u)\n", frag);
if (!frag_skb) {
IEEE80211_DEBUG(IEEE80211_DL_RX | IEEE80211_DL_FRAG,
"Rx cannot get skb from fragment "
"cache (morefrag=%d seq=%u frag=%u)\n",
(fc & IEEE80211_FCTL_MOREFRAGS) != 0,
WLAN_GET_SEQ_SEQ(sc), frag);
goto rx_dropped;
}
flen = skb->len;
if (frag != 0)
flen -= hdrlen;
if (frag_skb->tail + flen > frag_skb->end) {
netdev_warn(dev, "host decrypted and "
"reassembled frame did not fit skb\n");
ieee80211_frag_cache_invalidate(ieee, hdr);
goto rx_dropped;
}
if (frag == 0) {
/* copy first fragment (including full headers) into
* beginning of the fragment cache skb */
skb_put_data(frag_skb, skb->data, flen);
} else {
/* append frame payload to the end of the fragment
* cache skb */
skb_put_data(frag_skb, skb->data + hdrlen, flen);
}
dev_kfree_skb_any(skb);
skb = NULL;
if (fc & IEEE80211_FCTL_MOREFRAGS) {
/* more fragments expected - leave the skb in fragment
* cache for now; it will be delivered to upper layers
* after all fragments have been received */
goto rx_exit;
}
/* this was the last fragment and the frame will be
* delivered, so remove skb from fragment cache */
skb = frag_skb;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
ieee80211_frag_cache_invalidate(ieee, hdr);
}
/* skb: hdr + (possible reassembled) full MSDU payload; possibly still
* encrypted/authenticated */
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt)) {
netdev_dbg(ieee->dev, "==>decrypt msdu error\n");
goto rx_dropped;
}
//added by amy for AP roaming
ieee->LinkDetectInfo.NumRecvDataInPeriod++;
ieee->LinkDetectInfo.NumRxOkInPeriod++;
hdr = (struct rtl_80211_hdr_4addr *)skb->data;
if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) {
if (/*ieee->ieee802_1x &&*/
ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
#ifdef CONFIG_IEEE80211_DEBUG
/* pass unencrypted EAPOL frames even if encryption is
* configured */
struct eapol *eap = (struct eapol *)(skb->data +
24);
IEEE80211_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
eap_get_type(eap->type));
#endif
} else {
IEEE80211_DEBUG_DROP(
"encryption configured, but RX "
"frame not encrypted (SA=%pM)\n",
hdr->addr2);
goto rx_dropped;
}
}
#ifdef CONFIG_IEEE80211_DEBUG
if (crypt && !(fc & IEEE80211_FCTL_WEP) &&
ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
struct eapol *eap = (struct eapol *)(skb->data +
24);
IEEE80211_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n",
eap_get_type(eap->type));
}
#endif
if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep &&
!ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
IEEE80211_DEBUG_DROP(
"dropped unencrypted RX data "
"frame from %pM"
" (drop_unencrypted=1)\n",
hdr->addr2);
goto rx_dropped;
}
/*
if(ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
printk(KERN_WARNING "RX: IEEE802.1X EPAOL frame!\n");
}
*/
//added by amy for reorder
if (ieee->current_network.qos_data.active && IsQoSDataFrame(skb->data)
&& !is_multicast_ether_addr(hdr->addr1)) {
TID = Frame_QoSTID(skb->data);
SeqNum = WLAN_GET_SEQ_SEQ(sc);
GetTs(ieee, (struct ts_common_info **)&pTS, hdr->addr2, TID, RX_DIR, true);
if (TID != 0 && TID != 3)
ieee->bis_any_nonbepkts = true;
}
//added by amy for reorder
/* skb: hdr + (possible reassembled) full plaintext payload */
//ethertype = (payload[6] << 8) | payload[7];
rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
if (!rxb)
goto rx_dropped;
/* to parse amsdu packets */
/* qos data packets & reserved bit is 1 */
if (parse_subframe(ieee, skb, rx_stats, rxb, src, dst) == 0) {
/* only to free rxb, and not submit the packets to upper layer */
for (i = 0; i < rxb->nr_subframes; i++)
dev_kfree_skb(rxb->subframes[i]);
kfree(rxb);
rxb = NULL;
goto rx_dropped;
}
//added by amy for reorder
if (!ieee->pHTInfo->bCurRxReorderEnable || !pTS) {
indicate_packets(ieee, rxb);
kfree(rxb);
rxb = NULL;
} else {
IEEE80211_DEBUG(IEEE80211_DL_REORDER, "%s(): REORDER ENABLE AND PTS not NULL, and we will enter RxReorderIndicatePacket()\n", __func__);
RxReorderIndicatePacket(ieee, rxb, pTS, SeqNum);
}
#ifndef JOHN_NOCPY
dev_kfree_skb(skb);
#endif
rx_exit:
#ifdef NOT_YET
if (sta)
hostap_handle_sta_release(sta);
#endif
return 1;
rx_dropped:
kfree(rxb);
rxb = NULL;
stats->rx_dropped++;
/* Returning 0 indicates to caller that we have not handled the SKB--
* so it is still allocated and can be used again by underlying
* hardware as a DMA target */
return 0;
}
EXPORT_SYMBOL(ieee80211_rx);
#define MGMT_FRAME_FIXED_PART_LENGTH 0x24
static u8 qos_oui[QOS_OUI_LEN] = { 0x00, 0x50, 0xF2 };
/*
* Make the structure we read from the beacon packet to have
* the right values
*/
static int ieee80211_verify_qos_info(struct ieee80211_qos_information_element
*info_element, int sub_type)
{
if (info_element->elementID != QOS_ELEMENT_ID)
return -1;
if (info_element->qui_subtype != sub_type)
return -1;
if (memcmp(info_element->qui, qos_oui, QOS_OUI_LEN))
return -1;
if (info_element->qui_type != QOS_OUI_TYPE)
return -1;
if (info_element->version != QOS_VERSION_1)
return -1;
return 0;
}
/*
* Parse a QoS parameter element
*/
static int ieee80211_read_qos_param_element(
struct ieee80211_qos_parameter_info *element_param,
struct ieee80211_info_element *info_element)
{
size_t size = sizeof(*element_param);
if (!element_param || !info_element || info_element->len != size - 2)
return -1;
memcpy(element_param, info_element, size);
return ieee80211_verify_qos_info(&element_param->info_element,
QOS_OUI_PARAM_SUB_TYPE);
}
/*
* Parse a QoS information element
*/
static int ieee80211_read_qos_info_element(
struct ieee80211_qos_information_element *element_info,
struct ieee80211_info_element *info_element)
{
size_t size = sizeof(*element_info);
if (!element_info || !info_element || info_element->len != size - 2)
return -1;
memcpy(element_info, info_element, size);
return ieee80211_verify_qos_info(element_info, QOS_OUI_INFO_SUB_TYPE);
}
/*
* Write QoS parameters from the ac parameters.
*/
static int ieee80211_qos_convert_ac_to_parameters(
struct ieee80211_qos_parameter_info *param_elm,
struct ieee80211_qos_parameters *qos_param)
{
int i;
struct ieee80211_qos_ac_parameter *ac_params;
u8 aci;
//u8 cw_min;
//u8 cw_max;
for (i = 0; i < QOS_QUEUE_NUM; i++) {
ac_params = &(param_elm->ac_params_record[i]);
aci = (ac_params->aci_aifsn & 0x60) >> 5;
if (aci >= QOS_QUEUE_NUM)
continue;
qos_param->aifs[aci] = (ac_params->aci_aifsn) & 0x0f;
/* WMM spec P.11: The minimum value for AIFSN shall be 2 */
qos_param->aifs[aci] = (qos_param->aifs[aci] < 2) ? 2 : qos_param->aifs[aci];
qos_param->cw_min[aci] =
cpu_to_le16(ac_params->ecw_min_max & 0x0F);
qos_param->cw_max[aci] =
cpu_to_le16((ac_params->ecw_min_max & 0xF0) >> 4);
qos_param->flag[aci] =
(ac_params->aci_aifsn & 0x10) ? 0x01 : 0x00;
qos_param->tx_op_limit[aci] = ac_params->tx_op_limit;
}
return 0;
}
/*
* we have a generic data element which it may contain QoS information or
* parameters element. check the information element length to decide
* which type to read
*/
static int ieee80211_parse_qos_info_param_IE(struct ieee80211_info_element
*info_element,
struct ieee80211_network *network)
{
int rc = 0;
struct ieee80211_qos_parameters *qos_param = NULL;
struct ieee80211_qos_information_element qos_info_element;
rc = ieee80211_read_qos_info_element(&qos_info_element, info_element);
if (rc == 0) {
network->qos_data.param_count = qos_info_element.ac_info & 0x0F;
network->flags |= NETWORK_HAS_QOS_INFORMATION;
} else {
struct ieee80211_qos_parameter_info param_element;
rc = ieee80211_read_qos_param_element(¶m_element,
info_element);
if (rc == 0) {
qos_param = &(network->qos_data.parameters);
ieee80211_qos_convert_ac_to_parameters(¶m_element,
qos_param);
network->flags |= NETWORK_HAS_QOS_PARAMETERS;
network->qos_data.param_count =
param_element.info_element.ac_info & 0x0F;
}
}
if (rc == 0) {
IEEE80211_DEBUG_QOS("QoS is supported\n");
network->qos_data.supported = 1;
}
return rc;
}
#ifdef CONFIG_IEEE80211_DEBUG
#define MFIE_STRING(x) case MFIE_TYPE_ ##x: return #x
static const char *get_info_element_string(u16 id)
{
switch (id) {
MFIE_STRING(SSID);
MFIE_STRING(RATES);
MFIE_STRING(FH_SET);
MFIE_STRING(DS_SET);
MFIE_STRING(CF_SET);
MFIE_STRING(TIM);
MFIE_STRING(IBSS_SET);
MFIE_STRING(COUNTRY);
MFIE_STRING(HOP_PARAMS);
MFIE_STRING(HOP_TABLE);
MFIE_STRING(REQUEST);
MFIE_STRING(CHALLENGE);
MFIE_STRING(POWER_CONSTRAINT);
MFIE_STRING(POWER_CAPABILITY);
MFIE_STRING(TPC_REQUEST);
MFIE_STRING(TPC_REPORT);
MFIE_STRING(SUPP_CHANNELS);
MFIE_STRING(CSA);
MFIE_STRING(MEASURE_REQUEST);
MFIE_STRING(MEASURE_REPORT);
MFIE_STRING(QUIET);
MFIE_STRING(IBSS_DFS);
// MFIE_STRING(ERP_INFO);
MFIE_STRING(RSN);
MFIE_STRING(RATES_EX);
MFIE_STRING(GENERIC);
MFIE_STRING(QOS_PARAMETER);
default:
return "UNKNOWN";
}
}
#endif
static inline void ieee80211_extract_country_ie(
struct ieee80211_device *ieee,
struct ieee80211_info_element *info_element,
struct ieee80211_network *network,
u8 *addr2
)
{
if (IS_DOT11D_ENABLE(ieee)) {
if (info_element->len != 0) {
memcpy(network->CountryIeBuf, info_element->data, info_element->len);
network->CountryIeLen = info_element->len;
if (!IS_COUNTRY_IE_VALID(ieee)) {
dot11d_update_country_ie(ieee, addr2, info_element->len, info_element->data);
}
}
//
// 070305, rcnjko: I update country IE watch dog here because
// some AP (e.g. Cisco 1242) don't include country IE in their
// probe response frame.
//
if (IS_EQUAL_CIE_SRC(ieee, addr2))
UPDATE_CIE_WATCHDOG(ieee);
}
}
int ieee80211_parse_info_param(struct ieee80211_device *ieee,
struct ieee80211_info_element *info_element,
u16 length,
struct ieee80211_network *network,
struct ieee80211_rx_stats *stats)
{
u8 i;
short offset;
u16 tmp_htcap_len = 0;
u16 tmp_htinfo_len = 0;
u16 ht_realtek_agg_len = 0;
u8 ht_realtek_agg_buf[MAX_IE_LEN];
// u16 broadcom_len = 0;
#ifdef CONFIG_IEEE80211_DEBUG
char rates_str[64];
char *p;
#endif
while (length >= sizeof(*info_element)) {
if (sizeof(*info_element) + info_element->len > length) {
IEEE80211_DEBUG_MGMT("Info elem: parse failed: "
"info_element->len + 2 > left : "
"info_element->len+2=%zd left=%d, id=%d.\n",
info_element->len +
sizeof(*info_element),
length, info_element->id);
/* We stop processing but don't return an error here
* because some misbehaviour APs break this rule. ie.
* Orinoco AP1000. */
break;
}
switch (info_element->id) {
case MFIE_TYPE_SSID:
if (ieee80211_is_empty_essid(info_element->data,
info_element->len)) {
network->flags |= NETWORK_EMPTY_ESSID;
break;
}
network->ssid_len = min(info_element->len,
(u8)IW_ESSID_MAX_SIZE);
memcpy(network->ssid, info_element->data, network->ssid_len);
if (network->ssid_len < IW_ESSID_MAX_SIZE)
memset(network->ssid + network->ssid_len, 0,
IW_ESSID_MAX_SIZE - network->ssid_len);
IEEE80211_DEBUG_MGMT("MFIE_TYPE_SSID: '%s' len=%d.\n",
network->ssid, network->ssid_len);
break;
case MFIE_TYPE_RATES:
#ifdef CONFIG_IEEE80211_DEBUG
p = rates_str;
#endif
network->rates_len = min(info_element->len,
MAX_RATES_LENGTH);
for (i = 0; i < network->rates_len; i++) {
network->rates[i] = info_element->data[i];
#ifdef CONFIG_IEEE80211_DEBUG
p += scnprintf(p, sizeof(rates_str) -
(p - rates_str), "%02X ",
network->rates[i]);
#endif
if (ieee80211_is_ofdm_rate
(info_element->data[i])) {
network->flags |= NETWORK_HAS_OFDM;
if (info_element->data[i] &
IEEE80211_BASIC_RATE_MASK)
network->flags &=
~NETWORK_HAS_CCK;
}
}
IEEE80211_DEBUG_MGMT("MFIE_TYPE_RATES: '%s' (%d)\n",
rates_str, network->rates_len);
break;
case MFIE_TYPE_RATES_EX:
#ifdef CONFIG_IEEE80211_DEBUG
p = rates_str;
#endif
network->rates_ex_len = min(info_element->len,
MAX_RATES_EX_LENGTH);
for (i = 0; i < network->rates_ex_len; i++) {
network->rates_ex[i] = info_element->data[i];
#ifdef CONFIG_IEEE80211_DEBUG
p += scnprintf(p, sizeof(rates_str) -
(p - rates_str), "%02X ",
network->rates_ex[i]);
#endif
if (ieee80211_is_ofdm_rate
(info_element->data[i])) {
network->flags |= NETWORK_HAS_OFDM;
if (info_element->data[i] &
IEEE80211_BASIC_RATE_MASK)
network->flags &=
~NETWORK_HAS_CCK;
}
}
IEEE80211_DEBUG_MGMT("MFIE_TYPE_RATES_EX: '%s' (%d)\n",
rates_str, network->rates_ex_len);
break;
case MFIE_TYPE_DS_SET:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_DS_SET: %d\n",
info_element->data[0]);
network->channel = info_element->data[0];
break;
case MFIE_TYPE_FH_SET:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_FH_SET: ignored\n");
break;
case MFIE_TYPE_CF_SET:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_CF_SET: ignored\n");
break;
case MFIE_TYPE_TIM:
if (info_element->len < 4)
break;
network->tim.tim_count = info_element->data[0];
network->tim.tim_period = info_element->data[1];
network->dtim_period = info_element->data[1];
if (ieee->state != IEEE80211_LINKED)
break;
network->last_dtim_sta_time[0] = stats->mac_time[0];
network->last_dtim_sta_time[1] = stats->mac_time[1];
network->dtim_data = IEEE80211_DTIM_VALID;
if (info_element->data[0] != 0)
break;
if (info_element->data[2] & 1)
network->dtim_data |= IEEE80211_DTIM_MBCAST;
offset = (info_element->data[2] >> 1) * 2;
if (ieee->assoc_id < 8 * offset ||
ieee->assoc_id > 8 * (offset + info_element->len - 3))
break;
offset = (ieee->assoc_id / 8) - offset;// + ((aid % 8)? 0 : 1) ;
if (info_element->data[3 + offset] & (1 << (ieee->assoc_id % 8)))
network->dtim_data |= IEEE80211_DTIM_UCAST;
//IEEE80211_DEBUG_MGMT("MFIE_TYPE_TIM: partially ignored\n");
break;
case MFIE_TYPE_ERP:
network->erp_value = info_element->data[0];
network->flags |= NETWORK_HAS_ERP_VALUE;
IEEE80211_DEBUG_MGMT("MFIE_TYPE_ERP_SET: %d\n",
network->erp_value);
break;
case MFIE_TYPE_IBSS_SET:
network->atim_window = info_element->data[0];
IEEE80211_DEBUG_MGMT("MFIE_TYPE_IBSS_SET: %d\n",
network->atim_window);
break;
case MFIE_TYPE_CHALLENGE:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_CHALLENGE: ignored\n");
break;
case MFIE_TYPE_GENERIC:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_GENERIC: %d bytes\n",
info_element->len);
if (!ieee80211_parse_qos_info_param_IE(info_element,
network))
break;
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x50 &&
info_element->data[2] == 0xf2 &&
info_element->data[3] == 0x01) {
network->wpa_ie_len = min(info_element->len + 2,
MAX_WPA_IE_LEN);
memcpy(network->wpa_ie, info_element,
network->wpa_ie_len);
break;
}
#ifdef THOMAS_TURBO
if (info_element->len == 7 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0xe0 &&
info_element->data[2] == 0x4c &&
info_element->data[3] == 0x01 &&
info_element->data[4] == 0x02) {
network->Turbo_Enable = 1;
}
#endif
//for HTcap and HTinfo parameters
if (tmp_htcap_len == 0) {
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x90 &&
info_element->data[2] == 0x4c &&
info_element->data[3] == 0x033){
tmp_htcap_len = min(info_element->len, (u8)MAX_IE_LEN);
if (tmp_htcap_len != 0) {
network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
network->bssht.bdHTCapLen = tmp_htcap_len > sizeof(network->bssht.bdHTCapBuf) ? \
sizeof(network->bssht.bdHTCapBuf) : tmp_htcap_len;
memcpy(network->bssht.bdHTCapBuf, info_element->data, network->bssht.bdHTCapLen);
}
}
if (tmp_htcap_len != 0)
network->bssht.bdSupportHT = true;
else
network->bssht.bdSupportHT = false;
}
if (tmp_htinfo_len == 0) {
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x90 &&
info_element->data[2] == 0x4c &&
info_element->data[3] == 0x034){
tmp_htinfo_len = min(info_element->len, (u8)MAX_IE_LEN);
if (tmp_htinfo_len != 0) {
network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
if (tmp_htinfo_len) {
network->bssht.bdHTInfoLen = tmp_htinfo_len > sizeof(network->bssht.bdHTInfoBuf) ? \
sizeof(network->bssht.bdHTInfoBuf) : tmp_htinfo_len;
memcpy(network->bssht.bdHTInfoBuf, info_element->data, network->bssht.bdHTInfoLen);
}
}
}
}
if (ieee->aggregation) {
if (network->bssht.bdSupportHT) {
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0xe0 &&
info_element->data[2] == 0x4c &&
info_element->data[3] == 0x02){
ht_realtek_agg_len = min(info_element->len, (u8)MAX_IE_LEN);
memcpy(ht_realtek_agg_buf, info_element->data, info_element->len);
}
if (ht_realtek_agg_len >= 5) {
network->bssht.bdRT2RTAggregation = true;
if ((ht_realtek_agg_buf[4] == 1) && (ht_realtek_agg_buf[5] & 0x02))
network->bssht.bdRT2RTLongSlotTime = true;
}
}
}
//if(tmp_htcap_len !=0 || tmp_htinfo_len != 0)
{
if ((info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x05 &&
info_element->data[2] == 0xb5) ||
(info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x0a &&
info_element->data[2] == 0xf7) ||
(info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x10 &&
info_element->data[2] == 0x18)){
network->broadcom_cap_exist = true;
}
}
if (info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x0c &&
info_element->data[2] == 0x43) {
network->ralink_cap_exist = true;
} else
network->ralink_cap_exist = false;
//added by amy for atheros AP
if ((info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x03 &&
info_element->data[2] == 0x7f) ||
(info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x13 &&
info_element->data[2] == 0x74)) {
netdev_dbg(ieee->dev, "========> Atheros AP exists\n");
network->atheros_cap_exist = true;
} else
network->atheros_cap_exist = false;
if (info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
info_element->data[2] == 0x96) {
network->cisco_cap_exist = true;
} else
network->cisco_cap_exist = false;
//added by amy for LEAP of cisco
if (info_element->len > 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
info_element->data[2] == 0x96 &&
info_element->data[3] == 0x01) {
if (info_element->len == 6) {
memcpy(network->CcxRmState, &info_element[4], 2);
if (network->CcxRmState[0] != 0)
network->bCcxRmEnable = true;
else
network->bCcxRmEnable = false;
//
// CCXv4 Table 59-1 MBSSID Masks.
//
network->MBssidMask = network->CcxRmState[1] & 0x07;
if (network->MBssidMask != 0) {
network->bMBssidValid = true;
network->MBssidMask = 0xff << (network->MBssidMask);
ether_addr_copy(network->MBssid, network->bssid);
network->MBssid[5] &= network->MBssidMask;
} else {
network->bMBssidValid = false;
}
} else {
network->bCcxRmEnable = false;
}
}
if (info_element->len > 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
info_element->data[2] == 0x96 &&
info_element->data[3] == 0x03) {
if (info_element->len == 5) {
network->bWithCcxVerNum = true;
network->BssCcxVerNumber = info_element->data[4];
} else {
network->bWithCcxVerNum = false;
network->BssCcxVerNumber = 0;
}
}
break;
case MFIE_TYPE_RSN:
IEEE80211_DEBUG_MGMT("MFIE_TYPE_RSN: %d bytes\n",
info_element->len);
network->rsn_ie_len = min(info_element->len + 2,
MAX_WPA_IE_LEN);
memcpy(network->rsn_ie, info_element,
network->rsn_ie_len);
break;
//HT related element.
case MFIE_TYPE_HT_CAP:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_HT_CAP: %d bytes\n",
info_element->len);
tmp_htcap_len = min(info_element->len, (u8)MAX_IE_LEN);
if (tmp_htcap_len != 0) {
network->bssht.bdHTSpecVer = HT_SPEC_VER_EWC;
network->bssht.bdHTCapLen = tmp_htcap_len > sizeof(network->bssht.bdHTCapBuf) ? \
sizeof(network->bssht.bdHTCapBuf) : tmp_htcap_len;
memcpy(network->bssht.bdHTCapBuf, info_element->data, network->bssht.bdHTCapLen);
//If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
// windows driver will update WMM parameters each beacon received once connected
// Linux driver is a bit different.
network->bssht.bdSupportHT = true;
} else
network->bssht.bdSupportHT = false;
break;
case MFIE_TYPE_HT_INFO:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_HT_INFO: %d bytes\n",
info_element->len);
tmp_htinfo_len = min(info_element->len, (u8)MAX_IE_LEN);
if (tmp_htinfo_len) {
network->bssht.bdHTSpecVer = HT_SPEC_VER_IEEE;
network->bssht.bdHTInfoLen = tmp_htinfo_len > sizeof(network->bssht.bdHTInfoBuf) ? \
sizeof(network->bssht.bdHTInfoBuf) : tmp_htinfo_len;
memcpy(network->bssht.bdHTInfoBuf, info_element->data, network->bssht.bdHTInfoLen);
}
break;
case MFIE_TYPE_AIRONET:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_AIRONET: %d bytes\n",
info_element->len);
if (info_element->len > IE_CISCO_FLAG_POSITION) {
network->bWithAironetIE = true;
// CCX 1 spec v1.13, A01.1 CKIP Negotiation (page23):
// "A Cisco access point advertises support for CKIP in beacon and probe response packets,
// by adding an Aironet element and setting one or both of the CKIP negotiation bits."
if ((info_element->data[IE_CISCO_FLAG_POSITION] & SUPPORT_CKIP_MIC) ||
(info_element->data[IE_CISCO_FLAG_POSITION] & SUPPORT_CKIP_PK)) {
network->bCkipSupported = true;
} else {
network->bCkipSupported = false;
}
} else {
network->bWithAironetIE = false;
network->bCkipSupported = false;
}
break;
case MFIE_TYPE_QOS_PARAMETER:
netdev_err(ieee->dev,
"QoS Error need to parse QOS_PARAMETER IE\n");
break;
case MFIE_TYPE_COUNTRY:
IEEE80211_DEBUG_SCAN("MFIE_TYPE_COUNTRY: %d bytes\n",
info_element->len);
ieee80211_extract_country_ie(ieee, info_element, network, network->bssid);//addr2 is same as addr3 when from an AP
break;
/* TODO */
default:
IEEE80211_DEBUG_MGMT
("Unsupported info element: %s (%d)\n",
get_info_element_string(info_element->id),
info_element->id);
break;
}
length -= sizeof(*info_element) + info_element->len;
info_element =
(struct ieee80211_info_element *)&info_element->
data[info_element->len];
}
if (!network->atheros_cap_exist && !network->broadcom_cap_exist &&
!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation) {
network->unknown_cap_exist = true;
} else {
network->unknown_cap_exist = false;
}
return 0;
}
/* 0-100 index */
static long ieee80211_translate_todbm(u8 signal_strength_index)
{
long signal_power; // in dBm.
// Translate to dBm (x=0.5y-95).
signal_power = (long)((signal_strength_index + 1) >> 1);
signal_power -= 95;
return signal_power;
}
static inline int ieee80211_network_init(
struct ieee80211_device *ieee,
struct ieee80211_probe_response *beacon,
struct ieee80211_network *network,
struct ieee80211_rx_stats *stats)
{
#ifdef CONFIG_IEEE80211_DEBUG
//char rates_str[64];
//char *p;
#endif
network->qos_data.active = 0;
network->qos_data.supported = 0;
network->qos_data.param_count = 0;
network->qos_data.old_param_count = 0;
/* Pull out fixed field data */
memcpy(network->bssid, beacon->header.addr3, ETH_ALEN);
network->capability = le16_to_cpu(beacon->capability);
network->last_scanned = jiffies;
network->time_stamp[0] = le32_to_cpu(beacon->time_stamp[0]);
network->time_stamp[1] = le32_to_cpu(beacon->time_stamp[1]);
network->beacon_interval = le16_to_cpu(beacon->beacon_interval);
/* Where to pull this? beacon->listen_interval;*/
network->listen_interval = 0x0A;
network->rates_len = network->rates_ex_len = 0;
network->last_associate = 0;
network->ssid_len = 0;
network->flags = 0;
network->atim_window = 0;
network->erp_value = (network->capability & WLAN_CAPABILITY_IBSS) ?
0x3 : 0x0;
network->berp_info_valid = false;
network->broadcom_cap_exist = false;
network->ralink_cap_exist = false;
network->atheros_cap_exist = false;
network->cisco_cap_exist = false;
network->unknown_cap_exist = false;
#ifdef THOMAS_TURBO
network->Turbo_Enable = 0;
#endif
network->CountryIeLen = 0;
memset(network->CountryIeBuf, 0, MAX_IE_LEN);
//Initialize HT parameters
//ieee80211_ht_initialize(&network->bssht);
HTInitializeBssDesc(&network->bssht);
if (stats->freq == IEEE80211_52GHZ_BAND) {
/* for A band (No DS info) */
network->channel = stats->received_channel;
} else
network->flags |= NETWORK_HAS_CCK;
network->wpa_ie_len = 0;
network->rsn_ie_len = 0;
if (ieee80211_parse_info_param
(ieee, beacon->info_element, stats->len - sizeof(*beacon), network, stats))
return 1;
network->mode = 0;
if (stats->freq == IEEE80211_52GHZ_BAND)
network->mode = IEEE_A;
else {
if (network->flags & NETWORK_HAS_OFDM)
network->mode |= IEEE_G;
if (network->flags & NETWORK_HAS_CCK)
network->mode |= IEEE_B;
}
if (network->mode == 0) {
IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
"network.\n",
escape_essid(network->ssid,
network->ssid_len),
network->bssid);
return 1;
}
if (network->bssht.bdSupportHT) {
if (network->mode == IEEE_A)
network->mode = IEEE_N_5G;
else if (network->mode & (IEEE_G | IEEE_B))
network->mode = IEEE_N_24G;
}
if (ieee80211_is_empty_essid(network->ssid, network->ssid_len))
network->flags |= NETWORK_EMPTY_ESSID;
stats->signal = 30 + (stats->SignalStrength * 70) / 100;
stats->noise = ieee80211_translate_todbm((u8)(100 - stats->signal)) - 25;
memcpy(&network->stats, stats, sizeof(network->stats));
return 0;
}
static inline int is_same_network(struct ieee80211_network *src,
struct ieee80211_network *dst, struct ieee80211_device *ieee)
{
/* A network is only a duplicate if the channel, BSSID, ESSID
* and the capability field (in particular IBSS and BSS) all match.
* We treat all <hidden> with the same BSSID and channel
* as one network */
return //((src->ssid_len == dst->ssid_len) &&
(((src->ssid_len == dst->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) &&
(src->channel == dst->channel) &&
!memcmp(src->bssid, dst->bssid, ETH_ALEN) &&
//!memcmp(src->ssid, dst->ssid, src->ssid_len) &&
(!memcmp(src->ssid, dst->ssid, src->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) &&
((src->capability & WLAN_CAPABILITY_IBSS) ==
(dst->capability & WLAN_CAPABILITY_IBSS)) &&
((src->capability & WLAN_CAPABILITY_BSS) ==
(dst->capability & WLAN_CAPABILITY_BSS)));
}
static inline void update_network(struct ieee80211_network *dst,
struct ieee80211_network *src)
{
int qos_active;
u8 old_param;
memcpy(&dst->stats, &src->stats, sizeof(struct ieee80211_rx_stats));
dst->capability = src->capability;
memcpy(dst->rates, src->rates, src->rates_len);
dst->rates_len = src->rates_len;
memcpy(dst->rates_ex, src->rates_ex, src->rates_ex_len);
dst->rates_ex_len = src->rates_ex_len;
if (src->ssid_len > 0) {
memset(dst->ssid, 0, dst->ssid_len);
dst->ssid_len = src->ssid_len;
memcpy(dst->ssid, src->ssid, src->ssid_len);
}
dst->mode = src->mode;
dst->flags = src->flags;
dst->time_stamp[0] = src->time_stamp[0];
dst->time_stamp[1] = src->time_stamp[1];
if (src->flags & NETWORK_HAS_ERP_VALUE) {
dst->erp_value = src->erp_value;
dst->berp_info_valid = src->berp_info_valid = true;
}
dst->beacon_interval = src->beacon_interval;
dst->listen_interval = src->listen_interval;
dst->atim_window = src->atim_window;
dst->dtim_period = src->dtim_period;
dst->dtim_data = src->dtim_data;
dst->last_dtim_sta_time[0] = src->last_dtim_sta_time[0];
dst->last_dtim_sta_time[1] = src->last_dtim_sta_time[1];
memcpy(&dst->tim, &src->tim, sizeof(struct ieee80211_tim_parameters));
dst->bssht.bdSupportHT = src->bssht.bdSupportHT;
dst->bssht.bdRT2RTAggregation = src->bssht.bdRT2RTAggregation;
dst->bssht.bdHTCapLen = src->bssht.bdHTCapLen;
memcpy(dst->bssht.bdHTCapBuf, src->bssht.bdHTCapBuf, src->bssht.bdHTCapLen);
dst->bssht.bdHTInfoLen = src->bssht.bdHTInfoLen;
memcpy(dst->bssht.bdHTInfoBuf, src->bssht.bdHTInfoBuf, src->bssht.bdHTInfoLen);
dst->bssht.bdHTSpecVer = src->bssht.bdHTSpecVer;
dst->bssht.bdRT2RTLongSlotTime = src->bssht.bdRT2RTLongSlotTime;
dst->broadcom_cap_exist = src->broadcom_cap_exist;
dst->ralink_cap_exist = src->ralink_cap_exist;
dst->atheros_cap_exist = src->atheros_cap_exist;
dst->cisco_cap_exist = src->cisco_cap_exist;
dst->unknown_cap_exist = src->unknown_cap_exist;
memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len);
dst->wpa_ie_len = src->wpa_ie_len;
memcpy(dst->rsn_ie, src->rsn_ie, src->rsn_ie_len);
dst->rsn_ie_len = src->rsn_ie_len;
dst->last_scanned = jiffies;
/* qos related parameters */
//qos_active = src->qos_data.active;
qos_active = dst->qos_data.active;
//old_param = dst->qos_data.old_param_count;
old_param = dst->qos_data.param_count;
if (dst->flags & NETWORK_HAS_QOS_MASK)
memcpy(&dst->qos_data, &src->qos_data,
sizeof(struct ieee80211_qos_data));
else {
dst->qos_data.supported = src->qos_data.supported;
dst->qos_data.param_count = src->qos_data.param_count;
}
if (dst->qos_data.supported == 1) {
dst->QoS_Enable = 1;
if (dst->ssid_len)
IEEE80211_DEBUG_QOS
("QoS the network %s is QoS supported\n",
dst->ssid);
else
IEEE80211_DEBUG_QOS
("QoS the network is QoS supported\n");
}
dst->qos_data.active = qos_active;
dst->qos_data.old_param_count = old_param;
/* dst->last_associate is not overwritten */
dst->wmm_info = src->wmm_info; //sure to exist in beacon or probe response frame.
if (src->wmm_param[0].aci_aifsn || \
src->wmm_param[1].aci_aifsn || \
src->wmm_param[2].aci_aifsn || \
src->wmm_param[3].aci_aifsn) {
memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN);
}
//dst->QoS_Enable = src->QoS_Enable;
#ifdef THOMAS_TURBO
dst->Turbo_Enable = src->Turbo_Enable;
#endif
dst->CountryIeLen = src->CountryIeLen;
memcpy(dst->CountryIeBuf, src->CountryIeBuf, src->CountryIeLen);
//added by amy for LEAP
dst->bWithAironetIE = src->bWithAironetIE;
dst->bCkipSupported = src->bCkipSupported;
memcpy(dst->CcxRmState, src->CcxRmState, 2);
dst->bCcxRmEnable = src->bCcxRmEnable;
dst->MBssidMask = src->MBssidMask;
dst->bMBssidValid = src->bMBssidValid;
memcpy(dst->MBssid, src->MBssid, 6);
dst->bWithCcxVerNum = src->bWithCcxVerNum;
dst->BssCcxVerNumber = src->BssCcxVerNumber;
}
static inline int is_beacon(__le16 fc)
{
return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == IEEE80211_STYPE_BEACON);
}
static inline void ieee80211_process_probe_response(
struct ieee80211_device *ieee,
struct ieee80211_probe_response *beacon,
struct ieee80211_rx_stats *stats)
{
struct ieee80211_network *network;
struct ieee80211_network *target;
struct ieee80211_network *oldest = NULL;
#ifdef CONFIG_IEEE80211_DEBUG
struct ieee80211_info_element *info_element = &beacon->info_element[0];
#endif
int fc = WLAN_FC_GET_STYPE(le16_to_cpu(beacon->header.frame_ctl));
unsigned long flags;
short renew;
u16 capability;
//u8 wmm_info;
network = kzalloc(sizeof(*network), GFP_ATOMIC);
if (!network)
goto out;
capability = le16_to_cpu(beacon->capability);
IEEE80211_DEBUG_SCAN(
"'%s' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
escape_essid(info_element->data, info_element->len),
beacon->header.addr3,
(capability & BIT(0xf)) ? '1' : '0',
(capability & BIT(0xe)) ? '1' : '0',
(capability & BIT(0xd)) ? '1' : '0',
(capability & BIT(0xc)) ? '1' : '0',
(capability & BIT(0xb)) ? '1' : '0',
(capability & BIT(0xa)) ? '1' : '0',
(capability & BIT(0x9)) ? '1' : '0',
(capability & BIT(0x8)) ? '1' : '0',
(capability & BIT(0x7)) ? '1' : '0',
(capability & BIT(0x6)) ? '1' : '0',
(capability & BIT(0x5)) ? '1' : '0',
(capability & BIT(0x4)) ? '1' : '0',
(capability & BIT(0x3)) ? '1' : '0',
(capability & BIT(0x2)) ? '1' : '0',
(capability & BIT(0x1)) ? '1' : '0',
(capability & BIT(0x0)) ? '1' : '0');
if (ieee80211_network_init(ieee, beacon, network, stats)) {
IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
escape_essid(info_element->data,
info_element->len),
beacon->header.addr3,
fc == IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
goto out;
}
// For Asus EeePc request,
// (1) if wireless adapter receive get any 802.11d country code in AP beacon,
// wireless adapter should follow the country code.
// (2) If there is no any country code in beacon,
// then wireless adapter should do active scan from ch1~11 and
// passive scan from ch12~14
if (!is_legal_channel(ieee, network->channel))
goto out;
if (ieee->bGlobalDomain) {
if (fc == IEEE80211_STYPE_PROBE_RESP) {
if (IS_COUNTRY_IE_VALID(ieee)) {
// Case 1: Country code
if (!is_legal_channel(ieee, network->channel)) {
netdev_warn(ieee->dev, "GetScanInfo(): For Country code, filter probe response at channel(%d).\n", network->channel);
goto out;
}
} else {
// Case 2: No any country code.
// Filter over channel ch12~14
if (network->channel > 11) {
netdev_warn(ieee->dev, "GetScanInfo(): For Global Domain, filter probe response at channel(%d).\n", network->channel);
goto out;
}
}
} else {
if (IS_COUNTRY_IE_VALID(ieee)) {
// Case 1: Country code
if (!is_legal_channel(ieee, network->channel)) {
netdev_warn(ieee->dev, "GetScanInfo(): For Country code, filter beacon at channel(%d).\n", network->channel);
goto out;
}
} else {
// Case 2: No any country code.
// Filter over channel ch12~14
if (network->channel > 14) {
netdev_warn(ieee->dev, "GetScanInfo(): For Global Domain, filter beacon at channel(%d).\n", network->channel);
goto out;
}
}
}
}
/* The network parsed correctly -- so now we scan our known networks
* to see if we can find it in our list.
*
* NOTE: This search is definitely not optimized. Once its doing
* the "right thing" we'll optimize it for efficiency if
* necessary */
/* Search for this entry in the list and update it if it is
* already there. */
spin_lock_irqsave(&ieee->lock, flags);
if (is_same_network(&ieee->current_network, network, ieee)) {
update_network(&ieee->current_network, network);
if ((ieee->current_network.mode == IEEE_N_24G || ieee->current_network.mode == IEEE_G)
&& ieee->current_network.berp_info_valid){
if (ieee->current_network.erp_value & ERP_UseProtection)
ieee->current_network.buseprotection = true;
else
ieee->current_network.buseprotection = false;
}
if (is_beacon(beacon->header.frame_ctl)) {
if (ieee->state == IEEE80211_LINKED)
ieee->LinkDetectInfo.NumRecvBcnInPeriod++;
} else //hidden AP
network->flags = (~NETWORK_EMPTY_ESSID & network->flags) | (NETWORK_EMPTY_ESSID & ieee->current_network.flags);
}
list_for_each_entry(target, &ieee->network_list, list) {
if (is_same_network(target, network, ieee))
break;
if (!oldest ||
(target->last_scanned < oldest->last_scanned))
oldest = target;
}
/* If we didn't find a match, then get a new network slot to initialize
* with this beacon's information */
if (&target->list == &ieee->network_list) {
if (list_empty(&ieee->network_free_list)) {
/* If there are no more slots, expire the oldest */
list_del(&oldest->list);
target = oldest;
IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
"network list.\n",
escape_essid(target->ssid,
target->ssid_len),
target->bssid);
} else {
/* Otherwise just pull from the free list */
target = list_entry(ieee->network_free_list.next,
struct ieee80211_network, list);
list_del(ieee->network_free_list.next);
}
#ifdef CONFIG_IEEE80211_DEBUG
IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
escape_essid(network->ssid,
network->ssid_len),
network->bssid,
fc == IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
#endif
memcpy(target, network, sizeof(*target));
list_add_tail(&target->list, &ieee->network_list);
if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
ieee80211_softmac_new_net(ieee, network);
} else {
IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
escape_essid(target->ssid,
target->ssid_len),
target->bssid,
fc == IEEE80211_STYPE_PROBE_RESP ?
"PROBE RESPONSE" : "BEACON");
/* we have an entry and we are going to update it. But this entry may
* be already expired. In this case we do the same as we found a new
* net and call the new_net handler
*/
renew = !time_after(target->last_scanned + ieee->scan_age, jiffies);
//YJ,add,080819,for hidden ap
if (is_beacon(beacon->header.frame_ctl) == 0)
network->flags = (~NETWORK_EMPTY_ESSID & network->flags) | (NETWORK_EMPTY_ESSID & target->flags);
//if(strncmp(network->ssid, "linksys-c",9) == 0)
// printk("====>2 network->ssid=%s FLAG=%d target.ssid=%s FLAG=%d\n", network->ssid, network->flags, target->ssid, target->flags);
if (((network->flags & NETWORK_EMPTY_ESSID) == NETWORK_EMPTY_ESSID) \
&& (((network->ssid_len > 0) && (strncmp(target->ssid, network->ssid, network->ssid_len)))\
|| ((ieee->current_network.ssid_len == network->ssid_len) && (strncmp(ieee->current_network.ssid, network->ssid, network->ssid_len) == 0) && (ieee->state == IEEE80211_NOLINK))))
renew = 1;
//YJ,add,080819,for hidden ap,end
update_network(target, network);
if (renew && (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE))
ieee80211_softmac_new_net(ieee, network);
}
spin_unlock_irqrestore(&ieee->lock, flags);
if (is_beacon(beacon->header.frame_ctl) && is_same_network(&ieee->current_network, network, ieee) && \
(ieee->state == IEEE80211_LINKED)) {
if (ieee->handle_beacon)
ieee->handle_beacon(ieee->dev, beacon, &ieee->current_network);
}
out:
kfree(network);
}
void ieee80211_rx_mgt(struct ieee80211_device *ieee,
struct rtl_80211_hdr_4addr *header,
struct ieee80211_rx_stats *stats)
{
switch (WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl))) {
case IEEE80211_STYPE_BEACON:
IEEE80211_DEBUG_MGMT("received BEACON (%d)\n",
WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl)));
IEEE80211_DEBUG_SCAN("Beacon\n");
ieee80211_process_probe_response(
ieee, (struct ieee80211_probe_response *)header, stats);
break;
case IEEE80211_STYPE_PROBE_RESP:
IEEE80211_DEBUG_MGMT("received PROBE RESPONSE (%d)\n",
WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl)));
IEEE80211_DEBUG_SCAN("Probe response\n");
ieee80211_process_probe_response(
ieee, (struct ieee80211_probe_response *)header, stats);
break;
}
}
EXPORT_SYMBOL(ieee80211_rx_mgt);
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
Copyright(c) 2004 Intel Corporation. All rights reserved.
Portions of this file are based on the WEP enablement code provided by the
Host AP project hostap-drivers v0.1.3
Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
<[email protected]>
Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
Contact Information:
James P. Ketrenos <[email protected]>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
******************************************************************************/
#include <linux/wireless.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/module.h>
#include "ieee80211.h"
struct modes_unit {
char *mode_string;
int mode_size;
};
static struct modes_unit ieee80211_modes[] = {
{"a", 1},
{"b", 1},
{"g", 1},
{"?", 1},
{"N-24G", 5},
{"N-5G", 4},
};
#define iwe_stream_add_event_rsl iwe_stream_add_event
#define MAX_CUSTOM_LEN 64
static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
char *start, char *stop,
struct ieee80211_network *network,
struct iw_request_info *info)
{
char custom[MAX_CUSTOM_LEN];
char proto_name[IFNAMSIZ];
char *pname = proto_name;
char *p;
struct iw_event iwe;
int i, j;
u16 max_rate, rate;
static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN);
/* Remaining entries will be displayed in the order we provide them */
/* Add the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
// if (network->flags & NETWORK_EMPTY_ESSID) {
if (network->ssid_len == 0) {
iwe.u.data.length = sizeof("<hidden>");
start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
} else {
iwe.u.data.length = min(network->ssid_len, (u8)32);
start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
for (i = 0; i < ARRAY_SIZE(ieee80211_modes); i++) {
if (network->mode & BIT(i)) {
sprintf(pname, ieee80211_modes[i].mode_string, ieee80211_modes[i].mode_size);
pname += ieee80211_modes[i].mode_size;
}
}
*pname = '\0';
snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
if (network->capability &
(WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
if (network->capability & WLAN_CAPABILITY_BSS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN);
}
/* Add frequency/channel */
iwe.cmd = SIOCGIWFREQ;
/* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode);
iwe.u.freq.e = 3; */
iwe.u.freq.m = network->channel;
iwe.u.freq.e = 0;
iwe.u.freq.i = 0;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (network->capability & WLAN_CAPABILITY_PRIVACY)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
/* Add basic and extended rates */
max_rate = 0;
p = custom;
p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
for (i = 0, j = 0; i < network->rates_len; ) {
if (j < network->rates_ex_len &&
((network->rates_ex[j] & 0x7F) <
(network->rates[i] & 0x7F)))
rate = network->rates_ex[j++] & 0x7F;
else
rate = network->rates[i++] & 0x7F;
if (rate > max_rate)
max_rate = rate;
p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
}
for (; j < network->rates_ex_len; j++) {
rate = network->rates_ex[j] & 0x7F;
p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
if (rate > max_rate)
max_rate = rate;
}
if (network->mode >= IEEE_N_24G) /* add N rate here */ {
struct ht_capability_ele *ht_cap = NULL;
bool is40M = false, isShortGI = false;
u8 max_mcs = 0;
if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[4];
else
ht_cap = (struct ht_capability_ele *)&network->bssht.bdHTCapBuf[0];
is40M = (ht_cap->ChlWidth) ? 1 : 0;
isShortGI = (ht_cap->ChlWidth) ?
((ht_cap->ShortGI40Mhz) ? 1 : 0) :
((ht_cap->ShortGI20Mhz) ? 1 : 0);
max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL);
rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs & 0x7f];
if (rate > max_rate)
max_rate = rate;
}
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = max_rate * 500000;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
IW_EV_PARAM_LEN);
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(info, start, stop, &iwe, custom);
/* Add quality statistics */
/* TODO: Fix these values... */
iwe.cmd = IWEVQUAL;
iwe.u.qual.qual = network->stats.signal;
iwe.u.qual.level = network->stats.rssi;
iwe.u.qual.noise = network->stats.noise;
iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
iwe.u.qual.updated = 7;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN);
iwe.cmd = IWEVCUSTOM;
p = custom;
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(info, start, stop, &iwe, custom);
if (ieee->wpa_enabled && network->wpa_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
// printk("WPA IE\n");
u8 *p = buf;
p += sprintf(p, "wpa_ie=");
for (i = 0; i < network->wpa_ie_len; i++)
p += sprintf(p, "%02x", network->wpa_ie[i]);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = strlen(buf);
start = iwe_stream_add_point(info, start, stop, &iwe, buf);
}
if (ieee->wpa_enabled && network->rsn_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
u8 *p = buf;
p += sprintf(p, "rsn_ie=");
for (i = 0; i < network->rsn_ie_len; i++)
p += sprintf(p, "%02x", network->rsn_ie[i]);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = strlen(buf);
start = iwe_stream_add_point(info, start, stop, &iwe, buf);
}
/* Add EXTRA: Age to display seconds since last beacon/probe response
* for given network. */
iwe.cmd = IWEVCUSTOM;
p = custom;
p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
" Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(info, start, stop, &iwe, custom);
return start;
}
int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct ieee80211_network *network;
unsigned long flags;
char *ev = extra;
// char *stop = ev + IW_SCAN_MAX_DATA;
char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
//char *stop = ev + IW_SCAN_MAX_DATA;
int i = 0;
int err = 0;
IEEE80211_DEBUG_WX("Getting scan\n");
mutex_lock(&ieee->wx_mutex);
spin_lock_irqsave(&ieee->lock, flags);
list_for_each_entry(network, &ieee->network_list, list) {
i++;
if ((stop - ev) < 200) {
err = -E2BIG;
break;
}
if (ieee->scan_age == 0 ||
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
else
IEEE80211_DEBUG_SCAN(
"Not showing network '%s ("
"%pM)' due to age (%lums).\n",
escape_essid(network->ssid,
network->ssid_len),
network->bssid,
(jiffies - network->last_scanned) / (HZ / 100));
}
spin_unlock_irqrestore(&ieee->lock, flags);
mutex_unlock(&ieee->wx_mutex);
wrqu->data.length = ev - extra;
wrqu->data.flags = 0;
IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
return err;
}
EXPORT_SYMBOL(ieee80211_wx_get_scan);
int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct iw_point *erq = &(wrqu->encoding);
struct net_device *dev = ieee->dev;
struct ieee80211_security sec = {
.flags = 0
};
int i, key, key_provided, len;
struct ieee80211_crypt_data **crypt;
IEEE80211_DEBUG_WX("SET_ENCODE\n");
key = erq->flags & IW_ENCODE_INDEX;
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
key_provided = 1;
} else {
key_provided = 0;
key = ieee->tx_keyidx;
}
IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
"provided" : "default");
crypt = &ieee->crypt[key];
if (erq->flags & IW_ENCODE_DISABLED) {
if (key_provided && *crypt) {
IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
key);
ieee80211_crypt_delayed_deinit(ieee, crypt);
} else
IEEE80211_DEBUG_WX("Disabling encryption.\n");
/* Check all the keys to see if any are still configured,
* and if no key index was provided, de-init them all */
for (i = 0; i < WEP_KEYS; i++) {
if (ieee->crypt[i]) {
if (key_provided)
break;
ieee80211_crypt_delayed_deinit(
ieee, &ieee->crypt[i]);
}
}
if (i == WEP_KEYS) {
sec.enabled = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_ENABLED | SEC_LEVEL;
}
goto done;
}
sec.enabled = 1;
sec.flags |= SEC_ENABLED;
if (*crypt && (*crypt)->ops &&
strcmp((*crypt)->ops->name, "WEP") != 0) {
/* changing to use WEP; deinit previously used algorithm
* on this key */
ieee80211_crypt_delayed_deinit(ieee, crypt);
}
if (!*crypt) {
struct ieee80211_crypt_data *new_crypt;
/* take WEP into use */
new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
GFP_KERNEL);
if (!new_crypt)
return -ENOMEM;
new_crypt->ops = try_then_request_module(ieee80211_get_crypto_ops("WEP"),
"ieee80211_crypt_wep");
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(key);
if (!new_crypt->ops || !new_crypt->priv) {
kfree(new_crypt);
new_crypt = NULL;
netdev_warn(dev, "could not initialize WEP: "
"load module ieee80211_crypt_wep\n");
return -EOPNOTSUPP;
}
*crypt = new_crypt;
}
/* If a new key was provided, set it up */
if (erq->length > 0) {
len = erq->length <= 5 ? 5 : 13;
memcpy(sec.keys[key], keybuf, erq->length);
if (len > erq->length)
memset(sec.keys[key] + erq->length, 0,
len - erq->length);
IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
key, escape_essid(sec.keys[key], len),
erq->length, len);
sec.key_sizes[key] = len;
(*crypt)->ops->set_key(sec.keys[key], len, NULL,
(*crypt)->priv);
sec.flags |= BIT(key);
/* This ensures a key will be activated if no key is
* explicitly set
*/
if (key == sec.active_key)
sec.flags |= SEC_ACTIVE_KEY;
ieee->tx_keyidx = key;
} else {
len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
NULL, (*crypt)->priv);
if (len == 0) {
/* Set a default key of all 0 */
printk("Setting key %d to all zero.\n",
key);
IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
key);
memset(sec.keys[key], 0, 13);
(*crypt)->ops->set_key(sec.keys[key], 13, NULL,
(*crypt)->priv);
sec.key_sizes[key] = 13;
sec.flags |= BIT(key);
}
/* No key data - just set the default TX key index */
if (key_provided) {
IEEE80211_DEBUG_WX(
"Setting key %d to default Tx key.\n", key);
ieee->tx_keyidx = key;
sec.active_key = key;
sec.flags |= SEC_ACTIVE_KEY;
}
}
done:
ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
sec.flags |= SEC_AUTH_MODE;
IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
"OPEN" : "SHARED KEY");
/* For now we just support WEP, so only set that security level...
* TODO: When WPA is added this is one place that needs to change */
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
if (ieee->set_security)
ieee->set_security(dev, &sec);
/* Do not reset port if card is in Managed mode since resetting will
* generate new IEEE 802.11 authentication which may end up in looping
* with IEEE 802.1X. If your hardware requires a reset after WEP
* configuration (for example... Prism2), implement the reset_port in
* the callbacks structures used to initialize the 802.11 stack. */
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port && ieee->reset_port(dev)) {
netdev_dbg(ieee->dev, "reset_port failed\n");
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_encode);
int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct iw_point *erq = &(wrqu->encoding);
int len, key;
struct ieee80211_crypt_data *crypt;
IEEE80211_DEBUG_WX("GET_ENCODE\n");
if (ieee->iw_mode == IW_MODE_MONITOR)
return -1;
key = erq->flags & IW_ENCODE_INDEX;
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
} else
key = ieee->tx_keyidx;
crypt = ieee->crypt[key];
erq->flags = key + 1;
if (!crypt || !crypt->ops) {
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
return 0;
}
len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
if (len < 0)
len = 0;
erq->length = len;
erq->flags |= IW_ENCODE_ENABLED;
if (ieee->open_wep)
erq->flags |= IW_ENCODE_OPEN;
else
erq->flags |= IW_ENCODE_RESTRICTED;
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_encode);
int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct net_device *dev = ieee->dev;
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx;
int group_key = 0;
const char *alg, *module;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
struct ieee80211_security sec = {
.flags = 0,
};
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if (idx < 1 || idx > WEP_KEYS)
return -EINVAL;
idx--;
} else
idx = ieee->tx_keyidx;
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
crypt = &ieee->crypt[idx];
group_key = 1;
} else {
/* some Cisco APs use idx>0 for unicast in dynamic WEP */
if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
return -EINVAL;
if (ieee->iw_mode == IW_MODE_INFRA)
crypt = &ieee->crypt[idx];
else
return -EINVAL;
}
sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT;
if ((encoding->flags & IW_ENCODE_DISABLED) ||
ext->alg == IW_ENCODE_ALG_NONE) {
if (*crypt)
ieee80211_crypt_delayed_deinit(ieee, crypt);
for (i = 0; i < WEP_KEYS; i++)
if (ieee->crypt[i])
break;
if (i == WEP_KEYS) {
sec.enabled = 0;
// sec.encrypt = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_LEVEL;
}
goto done;
}
sec.enabled = 1;
// sec.encrypt = 1;
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "ieee80211_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "ieee80211_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "ieee80211_crypt_ccmp";
break;
default:
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
ret = -EINVAL;
goto done;
}
printk("alg name:%s\n", alg);
ops = try_then_request_module(ieee80211_get_crypto_ops(alg), module);
if (!ops) {
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
printk("========>unknown crypto alg %d\n", ext->alg);
ret = -EINVAL;
goto done;
}
if (!*crypt || (*crypt)->ops != ops) {
struct ieee80211_crypt_data *new_crypt;
ieee80211_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
if (!new_crypt) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(idx);
if (!new_crypt->priv) {
kfree(new_crypt);
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
if (ext->key_len > 0 && (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
(*crypt)->priv) < 0) {
IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
printk("key setting failed\n");
ret = -EINVAL;
goto done;
}
//skip_host_crypt:
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
ieee->tx_keyidx = idx;
sec.active_key = idx;
sec.flags |= SEC_ACTIVE_KEY;
}
if (ext->alg != IW_ENCODE_ALG_NONE) {
//memcpy(sec.keys[idx], ext->key, ext->key_len);
sec.key_sizes[idx] = ext->key_len;
sec.flags |= BIT(idx);
if (ext->alg == IW_ENCODE_ALG_WEP) {
// sec.encode_alg[idx] = SEC_ALG_WEP;
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
} else if (ext->alg == IW_ENCODE_ALG_TKIP) {
// sec.encode_alg[idx] = SEC_ALG_TKIP;
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_2;
} else if (ext->alg == IW_ENCODE_ALG_CCMP) {
// sec.encode_alg[idx] = SEC_ALG_CCMP;
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_3;
}
/* Don't set sec level for group keys. */
if (group_key)
sec.flags &= ~SEC_LEVEL;
}
done:
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port && ieee->reset_port(dev)) {
IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
return -EINVAL;
}
return ret;
}
EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct ieee80211_crypt_data *crypt;
int idx, max_key_len;
max_key_len = encoding->length - sizeof(*ext);
if (max_key_len < 0)
return -EINVAL;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if (idx < 1 || idx > WEP_KEYS)
return -EINVAL;
idx--;
} else
idx = ieee->tx_keyidx;
if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
ext->alg != IW_ENCODE_ALG_WEP)
if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
return -EINVAL;
crypt = ieee->crypt[idx];
encoding->flags = idx + 1;
memset(ext, 0, sizeof(*ext));
if (!crypt || !crypt->ops) {
ext->alg = IW_ENCODE_ALG_NONE;
ext->key_len = 0;
encoding->flags |= IW_ENCODE_DISABLED;
} else {
if (strcmp(crypt->ops->name, "WEP") == 0)
ext->alg = IW_ENCODE_ALG_WEP;
else if (strcmp(crypt->ops->name, "TKIP") == 0)
ext->alg = IW_ENCODE_ALG_TKIP;
else if (strcmp(crypt->ops->name, "CCMP") == 0)
ext->alg = IW_ENCODE_ALG_CCMP;
else
return -EINVAL;
ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
encoding->flags |= IW_ENCODE_ENABLED;
if (ext->key_len &&
(ext->alg == IW_ENCODE_ALG_TKIP ||
ext->alg == IW_ENCODE_ALG_CCMP))
ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_mlme *mlme = (struct iw_mlme *)extra;
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
case IW_MLME_DISASSOC:
ieee80211_disassociate(ieee);
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_mlme);
int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
struct iw_request_info *info,
struct iw_param *data, char *extra)
{
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
/*need to support wpa2 here*/
break;
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_KEY_MGMT:
/*
* * Host AP driver does not use these parameters and allows
* * wpa_supplicant to control them internally.
* */
break;
case IW_AUTH_TKIP_COUNTERMEASURES:
ieee->tkip_countermeasures = data->value;
break;
case IW_AUTH_DROP_UNENCRYPTED:
ieee->drop_unencrypted = data->value;
break;
case IW_AUTH_80211_AUTH_ALG:
//printk("======>%s():data->value is %d\n",__func__,data->value);
// ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0;
if (data->value & IW_AUTH_ALG_SHARED_KEY) {
ieee->open_wep = 0;
ieee->auth_mode = 1;
} else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
ieee->open_wep = 1;
ieee->auth_mode = 0;
} else if (data->value & IW_AUTH_ALG_LEAP) {
ieee->open_wep = 1;
ieee->auth_mode = 2;
} else
return -EINVAL;
break;
case IW_AUTH_WPA_ENABLED:
ieee->wpa_enabled = (data->value) ? 1 : 0;
break;
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
ieee->ieee802_1x = data->value;
break;
case IW_AUTH_PRIVACY_INVOKED:
ieee->privacy_invoked = data->value;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_auth);
int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
{
u8 *buf;
if (len > MAX_WPA_IE_LEN || (len && !ie)) {
//printk("return error out, len:%d\n", len);
return -EINVAL;
}
if (len) {
if (len != ie[1] + 2) {
printk("len:%zu, ie:%d\n", len, ie[1]);
return -EINVAL;
}
buf = kmemdup(ie, len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
kfree(ieee->wpa_ie);
ieee->wpa_ie = buf;
ieee->wpa_ie_len = len;
} else {
kfree(ieee->wpa_ie);
ieee->wpa_ie = NULL;
ieee->wpa_ie_len = 0;
}
return 0;
}
EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
| linux-master | drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c |
// SPDX-License-Identifier: GPL-2.0
/*
* nvec_paz00: OEM specific driver for Compal PAZ00 based devices
*
* Copyright (C) 2011 The AC100 Kernel Team <[email protected]>
*
* Authors: Ilya Petrov <[email protected]>
*/
#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include "nvec.h"
#define NVEC_LED_REQ {'\x0d', '\x10', '\x45', '\x10', '\x00'}
#define NVEC_LED_MAX 8
struct nvec_led {
struct led_classdev cdev;
struct nvec_chip *nvec;
};
static void nvec_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct nvec_led *led = container_of(led_cdev, struct nvec_led, cdev);
unsigned char buf[] = NVEC_LED_REQ;
buf[4] = value;
nvec_write_async(led->nvec, buf, sizeof(buf));
led->cdev.brightness = value;
}
static int nvec_paz00_probe(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
struct nvec_led *led;
int ret = 0;
led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
if (!led)
return -ENOMEM;
led->cdev.max_brightness = NVEC_LED_MAX;
led->cdev.brightness_set = nvec_led_brightness_set;
led->cdev.name = "paz00-led";
led->cdev.flags |= LED_CORE_SUSPENDRESUME;
led->nvec = nvec;
platform_set_drvdata(pdev, led);
ret = devm_led_classdev_register(&pdev->dev, &led->cdev);
if (ret < 0)
return ret;
/* to expose the default value to userspace */
led->cdev.brightness = 0;
return 0;
}
static struct platform_driver nvec_paz00_driver = {
.probe = nvec_paz00_probe,
.driver = {
.name = "nvec-paz00",
},
};
module_platform_driver(nvec_paz00_driver);
MODULE_AUTHOR("Ilya Petrov <[email protected]>");
MODULE_DESCRIPTION("Tegra NVEC PAZ00 driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:nvec-paz00");
| linux-master | drivers/staging/nvec/nvec_paz00.c |
// SPDX-License-Identifier: GPL-2.0
/*
* nvec_kbd: keyboard driver for a NVIDIA compliant embedded controller
*
* Copyright (C) 2011 The AC100 Kernel Team <[email protected]>
*
* Authors: Pierre-Hugues Husson <[email protected]>
* Marc Dietrich <[email protected]>
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include "nvec-keytable.h"
#include "nvec.h"
enum kbd_subcmds {
CNFG_WAKE = 3,
CNFG_WAKE_KEY_REPORTING,
SET_LEDS = 0xed,
ENABLE_KBD = 0xf4,
DISABLE_KBD,
};
static unsigned char keycodes[ARRAY_SIZE(code_tab_102us)
+ ARRAY_SIZE(extcode_tab_us102)];
struct nvec_keys {
struct input_dev *input;
struct notifier_block notifier;
struct nvec_chip *nvec;
bool caps_lock;
};
static struct nvec_keys keys_dev;
static void nvec_kbd_toggle_led(void)
{
char buf[] = { NVEC_KBD, SET_LEDS, 0 };
keys_dev.caps_lock = !keys_dev.caps_lock;
if (keys_dev.caps_lock)
/* should be BIT(0) only, firmware bug? */
buf[2] = BIT(0) | BIT(1) | BIT(2);
nvec_write_async(keys_dev.nvec, buf, sizeof(buf));
}
static int nvec_keys_notifier(struct notifier_block *nb,
unsigned long event_type, void *data)
{
int code, state;
unsigned char *msg = data;
if (event_type == NVEC_KB_EVT) {
int _size = (msg[0] & (3 << 5)) >> 5;
/* power on/off button */
if (_size == NVEC_VAR_SIZE)
return NOTIFY_STOP;
if (_size == NVEC_3BYTES)
msg++;
code = msg[1] & 0x7f;
state = msg[1] & 0x80;
if (code_tabs[_size][code] == KEY_CAPSLOCK && state)
nvec_kbd_toggle_led();
input_report_key(keys_dev.input, code_tabs[_size][code],
!state);
input_sync(keys_dev.input);
return NOTIFY_STOP;
}
return NOTIFY_DONE;
}
static int nvec_kbd_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
{
struct nvec_chip *nvec = keys_dev.nvec;
char buf[] = { NVEC_KBD, SET_LEDS, 0 };
if (type == EV_REP)
return 0;
if (type != EV_LED)
return -1;
if (code != LED_CAPSL)
return -1;
buf[2] = !!value;
nvec_write_async(nvec, buf, sizeof(buf));
return 0;
}
static int nvec_kbd_probe(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
int i, j, err;
struct input_dev *idev;
char clear_leds[] = { NVEC_KBD, SET_LEDS, 0 },
enable_kbd[] = { NVEC_KBD, ENABLE_KBD },
cnfg_wake[] = { NVEC_KBD, CNFG_WAKE, true, true },
cnfg_wake_key_reporting[] = { NVEC_KBD, CNFG_WAKE_KEY_REPORTING,
true };
j = 0;
for (i = 0; i < ARRAY_SIZE(code_tab_102us); ++i)
keycodes[j++] = code_tab_102us[i];
for (i = 0; i < ARRAY_SIZE(extcode_tab_us102); ++i)
keycodes[j++] = extcode_tab_us102[i];
idev = devm_input_allocate_device(&pdev->dev);
if (!idev)
return -ENOMEM;
idev->name = "nvec keyboard";
idev->phys = "nvec";
idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_LED);
idev->ledbit[0] = BIT_MASK(LED_CAPSL);
idev->event = nvec_kbd_event;
idev->keycode = keycodes;
idev->keycodesize = sizeof(unsigned char);
idev->keycodemax = ARRAY_SIZE(keycodes);
for (i = 0; i < ARRAY_SIZE(keycodes); ++i)
set_bit(keycodes[i], idev->keybit);
clear_bit(0, idev->keybit);
err = input_register_device(idev);
if (err)
return err;
keys_dev.input = idev;
keys_dev.notifier.notifier_call = nvec_keys_notifier;
keys_dev.nvec = nvec;
nvec_register_notifier(nvec, &keys_dev.notifier, 0);
/* Enable keyboard */
nvec_write_async(nvec, enable_kbd, 2);
/* configures wake on special keys */
nvec_write_async(nvec, cnfg_wake, 4);
/* enable wake key reporting */
nvec_write_async(nvec, cnfg_wake_key_reporting, 3);
/* Disable caps lock LED */
nvec_write_async(nvec, clear_leds, sizeof(clear_leds));
return 0;
}
static void nvec_kbd_remove(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
char disable_kbd[] = { NVEC_KBD, DISABLE_KBD },
uncnfg_wake_key_reporting[] = { NVEC_KBD, CNFG_WAKE_KEY_REPORTING,
false };
nvec_write_async(nvec, uncnfg_wake_key_reporting, 3);
nvec_write_async(nvec, disable_kbd, 2);
nvec_unregister_notifier(nvec, &keys_dev.notifier);
}
static struct platform_driver nvec_kbd_driver = {
.probe = nvec_kbd_probe,
.remove_new = nvec_kbd_remove,
.driver = {
.name = "nvec-kbd",
},
};
module_platform_driver(nvec_kbd_driver);
MODULE_AUTHOR("Marc Dietrich <[email protected]>");
MODULE_DESCRIPTION("NVEC keyboard driver");
MODULE_ALIAS("platform:nvec-kbd");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/nvec/nvec_kbd.c |
// SPDX-License-Identifier: GPL-2.0
/*
* nvec_ps2: mouse driver for a NVIDIA compliant embedded controller
*
* Copyright (C) 2011 The AC100 Kernel Team <[email protected]>
*
* Authors: Pierre-Hugues Husson <[email protected]>
* Ilya Petrov <[email protected]>
* Marc Dietrich <[email protected]>
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/serio.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include "nvec.h"
#define PACKET_SIZE 6
#define ENABLE_MOUSE 0xf4
#define DISABLE_MOUSE 0xf5
#define PSMOUSE_RST 0xff
#ifdef NVEC_PS2_DEBUG
#define NVEC_PHD(str, buf, len) \
print_hex_dump(KERN_DEBUG, str, DUMP_PREFIX_NONE, \
16, 1, buf, len, false)
#else
#define NVEC_PHD(str, buf, len) do { } while (0)
#endif
enum ps2_subcmds {
SEND_COMMAND = 1,
RECEIVE_N,
AUTO_RECEIVE_N,
CANCEL_AUTO_RECEIVE,
};
struct nvec_ps2 {
struct serio *ser_dev;
struct notifier_block notifier;
struct nvec_chip *nvec;
};
static struct nvec_ps2 ps2_dev;
static int ps2_startstreaming(struct serio *ser_dev)
{
unsigned char buf[] = { NVEC_PS2, AUTO_RECEIVE_N, PACKET_SIZE };
return nvec_write_async(ps2_dev.nvec, buf, sizeof(buf));
}
static void ps2_stopstreaming(struct serio *ser_dev)
{
unsigned char buf[] = { NVEC_PS2, CANCEL_AUTO_RECEIVE };
nvec_write_async(ps2_dev.nvec, buf, sizeof(buf));
}
static int ps2_sendcommand(struct serio *ser_dev, unsigned char cmd)
{
unsigned char buf[] = { NVEC_PS2, SEND_COMMAND, ENABLE_MOUSE, 1 };
buf[2] = cmd & 0xff;
dev_dbg(&ser_dev->dev, "Sending ps2 cmd %02x\n", cmd);
return nvec_write_async(ps2_dev.nvec, buf, sizeof(buf));
}
static int nvec_ps2_notifier(struct notifier_block *nb,
unsigned long event_type, void *data)
{
int i;
unsigned char *msg = data;
switch (event_type) {
case NVEC_PS2_EVT:
for (i = 0; i < msg[1]; i++)
serio_interrupt(ps2_dev.ser_dev, msg[2 + i], 0);
NVEC_PHD("ps/2 mouse event: ", &msg[2], msg[1]);
return NOTIFY_STOP;
case NVEC_PS2:
if (msg[2] == 1) {
for (i = 0; i < (msg[1] - 2); i++)
serio_interrupt(ps2_dev.ser_dev, msg[i + 4], 0);
NVEC_PHD("ps/2 mouse reply: ", &msg[4], msg[1] - 2);
}
else if (msg[1] != 2) /* !ack */
NVEC_PHD("unhandled mouse event: ", msg, msg[1] + 2);
return NOTIFY_STOP;
}
return NOTIFY_DONE;
}
static int nvec_mouse_probe(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
struct serio *ser_dev;
ser_dev = kzalloc(sizeof(*ser_dev), GFP_KERNEL);
if (!ser_dev)
return -ENOMEM;
ser_dev->id.type = SERIO_8042;
ser_dev->write = ps2_sendcommand;
ser_dev->start = ps2_startstreaming;
ser_dev->stop = ps2_stopstreaming;
strscpy(ser_dev->name, "nvec mouse", sizeof(ser_dev->name));
strscpy(ser_dev->phys, "nvec", sizeof(ser_dev->phys));
ps2_dev.ser_dev = ser_dev;
ps2_dev.notifier.notifier_call = nvec_ps2_notifier;
ps2_dev.nvec = nvec;
nvec_register_notifier(nvec, &ps2_dev.notifier, 0);
serio_register_port(ser_dev);
return 0;
}
static void nvec_mouse_remove(struct platform_device *pdev)
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
ps2_sendcommand(ps2_dev.ser_dev, DISABLE_MOUSE);
ps2_stopstreaming(ps2_dev.ser_dev);
nvec_unregister_notifier(nvec, &ps2_dev.notifier);
serio_unregister_port(ps2_dev.ser_dev);
}
#ifdef CONFIG_PM_SLEEP
static int nvec_mouse_suspend(struct device *dev)
{
/* disable mouse */
ps2_sendcommand(ps2_dev.ser_dev, DISABLE_MOUSE);
/* send cancel autoreceive */
ps2_stopstreaming(ps2_dev.ser_dev);
return 0;
}
static int nvec_mouse_resume(struct device *dev)
{
/* start streaming */
ps2_startstreaming(ps2_dev.ser_dev);
/* enable mouse */
ps2_sendcommand(ps2_dev.ser_dev, ENABLE_MOUSE);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(nvec_mouse_pm_ops, nvec_mouse_suspend,
nvec_mouse_resume);
static struct platform_driver nvec_mouse_driver = {
.probe = nvec_mouse_probe,
.remove_new = nvec_mouse_remove,
.driver = {
.name = "nvec-mouse",
.pm = &nvec_mouse_pm_ops,
},
};
module_platform_driver(nvec_mouse_driver);
MODULE_DESCRIPTION("NVEC mouse driver");
MODULE_AUTHOR("Marc Dietrich <[email protected]>");
MODULE_ALIAS("platform:nvec-mouse");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/nvec/nvec_ps2.c |
// SPDX-License-Identifier: GPL-2.0
/*
* NVEC: NVIDIA compliant embedded controller interface
*
* Copyright (C) 2011 The AC100 Kernel Team <[email protected]>
*
* Authors: Pierre-Hugues Husson <[email protected]>
* Ilya Petrov <[email protected]>
* Marc Dietrich <[email protected]>
* Julian Andres Klode <[email protected]>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/atomic.h>
#include <linux/clk.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/of.h>
#include <linux/list.h>
#include <linux/mfd/core.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include "nvec.h"
#define I2C_CNFG 0x00
#define I2C_CNFG_PACKET_MODE_EN BIT(10)
#define I2C_CNFG_NEW_MASTER_SFM BIT(11)
#define I2C_CNFG_DEBOUNCE_CNT_SHIFT 12
#define I2C_SL_CNFG 0x20
#define I2C_SL_NEWSL BIT(2)
#define I2C_SL_NACK BIT(1)
#define I2C_SL_RESP BIT(0)
#define I2C_SL_IRQ BIT(3)
#define END_TRANS BIT(4)
#define RCVD BIT(2)
#define RNW BIT(1)
#define I2C_SL_RCVD 0x24
#define I2C_SL_STATUS 0x28
#define I2C_SL_ADDR1 0x2c
#define I2C_SL_ADDR2 0x30
#define I2C_SL_DELAY_COUNT 0x3c
/**
* enum nvec_msg_category - Message categories for nvec_msg_alloc()
* @NVEC_MSG_RX: The message is an incoming message (from EC)
* @NVEC_MSG_TX: The message is an outgoing message (to EC)
*/
enum nvec_msg_category {
NVEC_MSG_RX,
NVEC_MSG_TX,
};
enum nvec_sleep_subcmds {
GLOBAL_EVENTS,
AP_PWR_DOWN,
AP_SUSPEND,
};
#define CNF_EVENT_REPORTING 0x01
#define GET_FIRMWARE_VERSION 0x15
#define LID_SWITCH BIT(1)
#define PWR_BUTTON BIT(15)
static struct nvec_chip *nvec_power_handle;
static const struct mfd_cell nvec_devices[] = {
{
.name = "nvec-kbd",
},
{
.name = "nvec-mouse",
},
{
.name = "nvec-power",
.id = 0,
},
{
.name = "nvec-power",
.id = 1,
},
{
.name = "nvec-paz00",
},
};
/**
* nvec_register_notifier - Register a notifier with nvec
* @nvec: A &struct nvec_chip
* @nb: The notifier block to register
* @events: Unused
*
* Registers a notifier with @nvec. The notifier will be added to an atomic
* notifier chain that is called for all received messages except those that
* correspond to a request initiated by nvec_write_sync().
*/
int nvec_register_notifier(struct nvec_chip *nvec, struct notifier_block *nb,
unsigned int events)
{
return atomic_notifier_chain_register(&nvec->notifier_list, nb);
}
EXPORT_SYMBOL_GPL(nvec_register_notifier);
/**
* nvec_unregister_notifier - Unregister a notifier with nvec
* @nvec: A &struct nvec_chip
* @nb: The notifier block to unregister
*
* Unregisters a notifier with @nvec. The notifier will be removed from the
* atomic notifier chain.
*/
int nvec_unregister_notifier(struct nvec_chip *nvec, struct notifier_block *nb)
{
return atomic_notifier_chain_unregister(&nvec->notifier_list, nb);
}
EXPORT_SYMBOL_GPL(nvec_unregister_notifier);
/*
* nvec_status_notifier - The final notifier
*
* Prints a message about control events not handled in the notifier
* chain.
*/
static int nvec_status_notifier(struct notifier_block *nb,
unsigned long event_type, void *data)
{
struct nvec_chip *nvec = container_of(nb, struct nvec_chip,
nvec_status_notifier);
unsigned char *msg = data;
if (event_type != NVEC_CNTL)
return NOTIFY_DONE;
dev_warn(nvec->dev, "unhandled msg type %ld\n", event_type);
print_hex_dump(KERN_WARNING, "payload: ", DUMP_PREFIX_NONE, 16, 1,
msg, msg[1] + 2, true);
return NOTIFY_OK;
}
/**
* nvec_msg_alloc:
* @nvec: A &struct nvec_chip
* @category: Pool category, see &enum nvec_msg_category
*
* Allocate a single &struct nvec_msg object from the message pool of
* @nvec. The result shall be passed to nvec_msg_free() if no longer
* used.
*
* Outgoing messages are placed in the upper 75% of the pool, keeping the
* lower 25% available for RX buffers only. The reason is to prevent a
* situation where all buffers are full and a message is thus endlessly
* retried because the response could never be processed.
*/
static struct nvec_msg *nvec_msg_alloc(struct nvec_chip *nvec,
enum nvec_msg_category category)
{
int i = (category == NVEC_MSG_TX) ? (NVEC_POOL_SIZE / 4) : 0;
for (; i < NVEC_POOL_SIZE; i++) {
if (atomic_xchg(&nvec->msg_pool[i].used, 1) == 0) {
dev_vdbg(nvec->dev, "INFO: Allocate %i\n", i);
return &nvec->msg_pool[i];
}
}
dev_err(nvec->dev, "could not allocate %s buffer\n",
(category == NVEC_MSG_TX) ? "TX" : "RX");
return NULL;
}
/**
* nvec_msg_free:
* @nvec: A &struct nvec_chip
* @msg: A message (must be allocated by nvec_msg_alloc() and belong to @nvec)
*
* Free the given message
*/
void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg)
{
if (msg != &nvec->tx_scratch)
dev_vdbg(nvec->dev, "INFO: Free %ti\n", msg - nvec->msg_pool);
atomic_set(&msg->used, 0);
}
EXPORT_SYMBOL_GPL(nvec_msg_free);
/**
* nvec_msg_is_event - Return %true if @msg is an event
* @msg: A message
*/
static bool nvec_msg_is_event(struct nvec_msg *msg)
{
return msg->data[0] >> 7;
}
/**
* nvec_msg_size - Get the size of a message
* @msg: The message to get the size for
*
* This only works for received messages, not for outgoing messages.
*/
static size_t nvec_msg_size(struct nvec_msg *msg)
{
bool is_event = nvec_msg_is_event(msg);
int event_length = (msg->data[0] & 0x60) >> 5;
/* for variable size, payload size in byte 1 + count (1) + cmd (1) */
if (!is_event || event_length == NVEC_VAR_SIZE)
return (msg->pos || msg->size) ? (msg->data[1] + 2) : 0;
else if (event_length == NVEC_2BYTES)
return 2;
else if (event_length == NVEC_3BYTES)
return 3;
return 0;
}
/**
* nvec_gpio_set_value - Set the GPIO value
* @nvec: A &struct nvec_chip
* @value: The value to write (0 or 1)
*
* Like gpio_set_value(), but generating debugging information
*/
static void nvec_gpio_set_value(struct nvec_chip *nvec, int value)
{
dev_dbg(nvec->dev, "GPIO changed from %u to %u\n",
gpiod_get_value(nvec->gpiod), value);
gpiod_set_value(nvec->gpiod, value);
}
/**
* nvec_write_async - Asynchronously write a message to NVEC
* @nvec: An nvec_chip instance
* @data: The message data, starting with the request type
* @size: The size of @data
*
* Queue a single message to be transferred to the embedded controller
* and return immediately.
*
* Returns: 0 on success, a negative error code on failure. If a failure
* occurred, the nvec driver may print an error.
*/
int nvec_write_async(struct nvec_chip *nvec, const unsigned char *data,
short size)
{
struct nvec_msg *msg;
unsigned long flags;
msg = nvec_msg_alloc(nvec, NVEC_MSG_TX);
if (!msg)
return -ENOMEM;
msg->data[0] = size;
memcpy(msg->data + 1, data, size);
msg->size = size + 1;
spin_lock_irqsave(&nvec->tx_lock, flags);
list_add_tail(&msg->node, &nvec->tx_data);
spin_unlock_irqrestore(&nvec->tx_lock, flags);
schedule_work(&nvec->tx_work);
return 0;
}
EXPORT_SYMBOL(nvec_write_async);
/**
* nvec_write_sync - Write a message to nvec and read the response
* @nvec: An &struct nvec_chip
* @data: The data to write
* @size: The size of @data
* @msg: The response message received
*
* This is similar to nvec_write_async(), but waits for the
* request to be answered before returning. This function
* uses a mutex and can thus not be called from e.g.
* interrupt handlers.
*
* Returns: 0 on success, a negative error code on failure.
* The response message is returned in @msg. Shall be freed
* with nvec_msg_free() once no longer used.
*
*/
int nvec_write_sync(struct nvec_chip *nvec,
const unsigned char *data, short size,
struct nvec_msg **msg)
{
mutex_lock(&nvec->sync_write_mutex);
*msg = NULL;
nvec->sync_write_pending = (data[1] << 8) + data[0];
if (nvec_write_async(nvec, data, size) < 0) {
mutex_unlock(&nvec->sync_write_mutex);
return -ENOMEM;
}
dev_dbg(nvec->dev, "nvec_sync_write: 0x%04x\n",
nvec->sync_write_pending);
if (!(wait_for_completion_timeout(&nvec->sync_write,
msecs_to_jiffies(2000)))) {
dev_warn(nvec->dev,
"timeout waiting for sync write to complete\n");
mutex_unlock(&nvec->sync_write_mutex);
return -ETIMEDOUT;
}
dev_dbg(nvec->dev, "nvec_sync_write: pong!\n");
*msg = nvec->last_sync_msg;
mutex_unlock(&nvec->sync_write_mutex);
return 0;
}
EXPORT_SYMBOL(nvec_write_sync);
/**
* nvec_toggle_global_events - enables or disables global event reporting
* @nvec: nvec handle
* @state: true for enable, false for disable
*
* This switches on/off global event reports by the embedded controller.
*/
static void nvec_toggle_global_events(struct nvec_chip *nvec, bool state)
{
unsigned char global_events[] = { NVEC_SLEEP, GLOBAL_EVENTS, state };
nvec_write_async(nvec, global_events, 3);
}
/**
* nvec_event_mask - fill the command string with event bitfield
* @ev: points to event command string
* @mask: bit to insert into the event mask
*
* Configure event command expects a 32 bit bitfield which describes
* which events to enable. The bitfield has the following structure
* (from highest byte to lowest):
* system state bits 7-0
* system state bits 15-8
* oem system state bits 7-0
* oem system state bits 15-8
*/
static void nvec_event_mask(char *ev, u32 mask)
{
ev[3] = mask >> 16 & 0xff;
ev[4] = mask >> 24 & 0xff;
ev[5] = mask >> 0 & 0xff;
ev[6] = mask >> 8 & 0xff;
}
/**
* nvec_request_master - Process outgoing messages
* @work: A &struct work_struct (the tx_worker member of &struct nvec_chip)
*
* Processes all outgoing requests by sending the request and awaiting the
* response, then continuing with the next request. Once a request has a
* matching response, it will be freed and removed from the list.
*/
static void nvec_request_master(struct work_struct *work)
{
struct nvec_chip *nvec = container_of(work, struct nvec_chip, tx_work);
unsigned long flags;
long err;
struct nvec_msg *msg;
spin_lock_irqsave(&nvec->tx_lock, flags);
while (!list_empty(&nvec->tx_data)) {
msg = list_first_entry(&nvec->tx_data, struct nvec_msg, node);
spin_unlock_irqrestore(&nvec->tx_lock, flags);
nvec_gpio_set_value(nvec, 0);
err = wait_for_completion_interruptible_timeout(&nvec->ec_transfer,
msecs_to_jiffies(5000));
if (err == 0) {
dev_warn(nvec->dev, "timeout waiting for ec transfer\n");
nvec_gpio_set_value(nvec, 1);
msg->pos = 0;
}
spin_lock_irqsave(&nvec->tx_lock, flags);
if (err > 0) {
list_del_init(&msg->node);
nvec_msg_free(nvec, msg);
}
}
spin_unlock_irqrestore(&nvec->tx_lock, flags);
}
/**
* parse_msg - Print some information and call the notifiers on an RX message
* @nvec: A &struct nvec_chip
* @msg: A message received by @nvec
*
* Paarse some pieces of the message and then call the chain of notifiers
* registered via nvec_register_notifier.
*/
static int parse_msg(struct nvec_chip *nvec, struct nvec_msg *msg)
{
if ((msg->data[0] & 1 << 7) == 0 && msg->data[3]) {
dev_err(nvec->dev, "ec responded %*ph\n", 4, msg->data);
return -EINVAL;
}
if ((msg->data[0] >> 7) == 1 && (msg->data[0] & 0x0f) == 5)
print_hex_dump(KERN_WARNING, "ec system event ",
DUMP_PREFIX_NONE, 16, 1, msg->data,
msg->data[1] + 2, true);
atomic_notifier_call_chain(&nvec->notifier_list, msg->data[0] & 0x8f,
msg->data);
return 0;
}
/**
* nvec_dispatch - Process messages received from the EC
* @work: A &struct work_struct (the tx_worker member of &struct nvec_chip)
*
* Process messages previously received from the EC and put into the RX
* queue of the &struct nvec_chip instance associated with @work.
*/
static void nvec_dispatch(struct work_struct *work)
{
struct nvec_chip *nvec = container_of(work, struct nvec_chip, rx_work);
unsigned long flags;
struct nvec_msg *msg;
spin_lock_irqsave(&nvec->rx_lock, flags);
while (!list_empty(&nvec->rx_data)) {
msg = list_first_entry(&nvec->rx_data, struct nvec_msg, node);
list_del_init(&msg->node);
spin_unlock_irqrestore(&nvec->rx_lock, flags);
if (nvec->sync_write_pending ==
(msg->data[2] << 8) + msg->data[0]) {
dev_dbg(nvec->dev, "sync write completed!\n");
nvec->sync_write_pending = 0;
nvec->last_sync_msg = msg;
complete(&nvec->sync_write);
} else {
parse_msg(nvec, msg);
nvec_msg_free(nvec, msg);
}
spin_lock_irqsave(&nvec->rx_lock, flags);
}
spin_unlock_irqrestore(&nvec->rx_lock, flags);
}
/**
* nvec_tx_completed - Complete the current transfer
* @nvec: A &struct nvec_chip
*
* This is called when we have received an END_TRANS on a TX transfer.
*/
static void nvec_tx_completed(struct nvec_chip *nvec)
{
/* We got an END_TRANS, let's skip this, maybe there's an event */
if (nvec->tx->pos != nvec->tx->size) {
dev_err(nvec->dev, "premature END_TRANS, resending\n");
nvec->tx->pos = 0;
nvec_gpio_set_value(nvec, 0);
} else {
nvec->state = 0;
}
}
/**
* nvec_rx_completed - Complete the current transfer
* @nvec: A &struct nvec_chip
*
* This is called when we have received an END_TRANS on a RX transfer.
*/
static void nvec_rx_completed(struct nvec_chip *nvec)
{
if (nvec->rx->pos != nvec_msg_size(nvec->rx)) {
dev_err(nvec->dev, "RX incomplete: Expected %u bytes, got %u\n",
(uint)nvec_msg_size(nvec->rx),
(uint)nvec->rx->pos);
nvec_msg_free(nvec, nvec->rx);
nvec->state = 0;
/* Battery quirk - Often incomplete, and likes to crash */
if (nvec->rx->data[0] == NVEC_BAT)
complete(&nvec->ec_transfer);
return;
}
spin_lock(&nvec->rx_lock);
/*
* Add the received data to the work list and move the ring buffer
* pointer to the next entry.
*/
list_add_tail(&nvec->rx->node, &nvec->rx_data);
spin_unlock(&nvec->rx_lock);
nvec->state = 0;
if (!nvec_msg_is_event(nvec->rx))
complete(&nvec->ec_transfer);
schedule_work(&nvec->rx_work);
}
/**
* nvec_invalid_flags - Send an error message about invalid flags and jump
* @nvec: The nvec device
* @status: The status flags
* @reset: Whether we shall jump to state 0.
*/
static void nvec_invalid_flags(struct nvec_chip *nvec, unsigned int status,
bool reset)
{
dev_err(nvec->dev, "unexpected status flags 0x%02x during state %i\n",
status, nvec->state);
if (reset)
nvec->state = 0;
}
/**
* nvec_tx_set - Set the message to transfer (nvec->tx)
* @nvec: A &struct nvec_chip
*
* Gets the first entry from the tx_data list of @nvec and sets the
* tx member to it. If the tx_data list is empty, this uses the
* tx_scratch message to send a no operation message.
*/
static void nvec_tx_set(struct nvec_chip *nvec)
{
spin_lock(&nvec->tx_lock);
if (list_empty(&nvec->tx_data)) {
dev_err(nvec->dev, "empty tx - sending no-op\n");
memcpy(nvec->tx_scratch.data, "\x02\x07\x02", 3);
nvec->tx_scratch.size = 3;
nvec->tx_scratch.pos = 0;
nvec->tx = &nvec->tx_scratch;
list_add_tail(&nvec->tx->node, &nvec->tx_data);
} else {
nvec->tx = list_first_entry(&nvec->tx_data, struct nvec_msg,
node);
nvec->tx->pos = 0;
}
spin_unlock(&nvec->tx_lock);
dev_dbg(nvec->dev, "Sending message of length %u, command 0x%x\n",
(uint)nvec->tx->size, nvec->tx->data[1]);
}
/**
* nvec_interrupt - Interrupt handler
* @irq: The IRQ
* @dev: The nvec device
*
* Interrupt handler that fills our RX buffers and empties our TX
* buffers. This uses a finite state machine with ridiculous amounts
* of error checking, in order to be fairly reliable.
*/
static irqreturn_t nvec_interrupt(int irq, void *dev)
{
unsigned long status;
unsigned int received = 0;
unsigned char to_send = 0xff;
const unsigned long irq_mask = I2C_SL_IRQ | END_TRANS | RCVD | RNW;
struct nvec_chip *nvec = dev;
unsigned int state = nvec->state;
status = readl(nvec->base + I2C_SL_STATUS);
/* Filter out some errors */
if ((status & irq_mask) == 0 && (status & ~irq_mask) != 0) {
dev_err(nvec->dev, "unexpected irq mask %lx\n", status);
return IRQ_HANDLED;
}
if ((status & I2C_SL_IRQ) == 0) {
dev_err(nvec->dev, "Spurious IRQ\n");
return IRQ_HANDLED;
}
/* The EC did not request a read, so it send us something, read it */
if ((status & RNW) == 0) {
received = readl(nvec->base + I2C_SL_RCVD);
if (status & RCVD)
writel(0, nvec->base + I2C_SL_RCVD);
}
if (status == (I2C_SL_IRQ | RCVD))
nvec->state = 0;
switch (nvec->state) {
case 0: /* Verify that its a transfer start, the rest later */
if (status != (I2C_SL_IRQ | RCVD))
nvec_invalid_flags(nvec, status, false);
break;
case 1: /* command byte */
if (status != I2C_SL_IRQ) {
nvec_invalid_flags(nvec, status, true);
} else {
nvec->rx = nvec_msg_alloc(nvec, NVEC_MSG_RX);
/* Should not happen in a normal world */
if (unlikely(!nvec->rx)) {
nvec->state = 0;
break;
}
nvec->rx->data[0] = received;
nvec->rx->pos = 1;
nvec->state = 2;
}
break;
case 2: /* first byte after command */
if (status == (I2C_SL_IRQ | RNW | RCVD)) {
udelay(33);
if (nvec->rx->data[0] != 0x01) {
dev_err(nvec->dev,
"Read without prior read command\n");
nvec->state = 0;
break;
}
nvec_msg_free(nvec, nvec->rx);
nvec->state = 3;
nvec_tx_set(nvec);
to_send = nvec->tx->data[0];
nvec->tx->pos = 1;
} else if (status == (I2C_SL_IRQ)) {
nvec->rx->data[1] = received;
nvec->rx->pos = 2;
nvec->state = 4;
} else {
nvec_invalid_flags(nvec, status, true);
}
break;
case 3: /* EC does a block read, we transmit data */
if (status & END_TRANS) {
nvec_tx_completed(nvec);
} else if ((status & RNW) == 0 || (status & RCVD)) {
nvec_invalid_flags(nvec, status, true);
} else if (nvec->tx && nvec->tx->pos < nvec->tx->size) {
to_send = nvec->tx->data[nvec->tx->pos++];
} else {
dev_err(nvec->dev,
"tx buffer underflow on %p (%u > %u)\n",
nvec->tx,
(uint)(nvec->tx ? nvec->tx->pos : 0),
(uint)(nvec->tx ? nvec->tx->size : 0));
nvec->state = 0;
}
break;
case 4: /* EC does some write, we read the data */
if ((status & (END_TRANS | RNW)) == END_TRANS)
nvec_rx_completed(nvec);
else if (status & (RNW | RCVD))
nvec_invalid_flags(nvec, status, true);
else if (nvec->rx && nvec->rx->pos < NVEC_MSG_SIZE)
nvec->rx->data[nvec->rx->pos++] = received;
else
dev_err(nvec->dev,
"RX buffer overflow on %p: Trying to write byte %u of %u\n",
nvec->rx, nvec->rx ? nvec->rx->pos : 0,
NVEC_MSG_SIZE);
break;
default:
nvec->state = 0;
}
/* If we are told that a new transfer starts, verify it */
if ((status & (RCVD | RNW)) == RCVD) {
if (received != nvec->i2c_addr)
dev_err(nvec->dev,
"received address 0x%02x, expected 0x%02x\n",
received, nvec->i2c_addr);
nvec->state = 1;
}
/* Send data if requested, but not on end of transmission */
if ((status & (RNW | END_TRANS)) == RNW)
writel(to_send, nvec->base + I2C_SL_RCVD);
/* If we have send the first byte */
if (status == (I2C_SL_IRQ | RNW | RCVD))
nvec_gpio_set_value(nvec, 1);
dev_dbg(nvec->dev,
"Handled: %s 0x%02x, %s 0x%02x in state %u [%s%s%s]\n",
(status & RNW) == 0 ? "received" : "R=",
received,
(status & (RNW | END_TRANS)) ? "sent" : "S=",
to_send,
state,
status & END_TRANS ? " END_TRANS" : "",
status & RCVD ? " RCVD" : "",
status & RNW ? " RNW" : "");
/*
* TODO: A correct fix needs to be found for this.
*
* We experience less incomplete messages with this delay than without
* it, but we don't know why. Help is appreciated.
*/
udelay(100);
return IRQ_HANDLED;
}
static void tegra_init_i2c_slave(struct nvec_chip *nvec)
{
u32 val;
clk_prepare_enable(nvec->i2c_clk);
reset_control_assert(nvec->rst);
udelay(2);
reset_control_deassert(nvec->rst);
val = I2C_CNFG_NEW_MASTER_SFM | I2C_CNFG_PACKET_MODE_EN |
(0x2 << I2C_CNFG_DEBOUNCE_CNT_SHIFT);
writel(val, nvec->base + I2C_CNFG);
clk_set_rate(nvec->i2c_clk, 8 * 80000);
writel(I2C_SL_NEWSL, nvec->base + I2C_SL_CNFG);
writel(0x1E, nvec->base + I2C_SL_DELAY_COUNT);
writel(nvec->i2c_addr >> 1, nvec->base + I2C_SL_ADDR1);
writel(0, nvec->base + I2C_SL_ADDR2);
enable_irq(nvec->irq);
}
#ifdef CONFIG_PM_SLEEP
static void nvec_disable_i2c_slave(struct nvec_chip *nvec)
{
disable_irq(nvec->irq);
writel(I2C_SL_NEWSL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG);
clk_disable_unprepare(nvec->i2c_clk);
}
#endif
static void nvec_power_off(void)
{
char ap_pwr_down[] = { NVEC_SLEEP, AP_PWR_DOWN };
nvec_toggle_global_events(nvec_power_handle, false);
nvec_write_async(nvec_power_handle, ap_pwr_down, 2);
}
static int tegra_nvec_probe(struct platform_device *pdev)
{
int err, ret;
struct clk *i2c_clk;
struct device *dev = &pdev->dev;
struct nvec_chip *nvec;
struct nvec_msg *msg;
void __iomem *base;
char get_firmware_version[] = { NVEC_CNTL, GET_FIRMWARE_VERSION },
unmute_speakers[] = { NVEC_OEM0, 0x10, 0x59, 0x95 },
enable_event[7] = { NVEC_SYS, CNF_EVENT_REPORTING, true };
if (!dev->of_node) {
dev_err(dev, "must be instantiated using device tree\n");
return -ENODEV;
}
nvec = devm_kzalloc(dev, sizeof(struct nvec_chip), GFP_KERNEL);
if (!nvec)
return -ENOMEM;
platform_set_drvdata(pdev, nvec);
nvec->dev = dev;
if (of_property_read_u32(dev->of_node, "slave-addr", &nvec->i2c_addr)) {
dev_err(dev, "no i2c address specified");
return -ENODEV;
}
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
nvec->irq = platform_get_irq(pdev, 0);
if (nvec->irq < 0)
return -ENODEV;
i2c_clk = devm_clk_get(dev, "div-clk");
if (IS_ERR(i2c_clk)) {
dev_err(dev, "failed to get controller clock\n");
return -ENODEV;
}
nvec->rst = devm_reset_control_get_exclusive(dev, "i2c");
if (IS_ERR(nvec->rst)) {
dev_err(dev, "failed to get controller reset\n");
return PTR_ERR(nvec->rst);
}
nvec->base = base;
nvec->i2c_clk = i2c_clk;
nvec->rx = &nvec->msg_pool[0];
ATOMIC_INIT_NOTIFIER_HEAD(&nvec->notifier_list);
init_completion(&nvec->sync_write);
init_completion(&nvec->ec_transfer);
mutex_init(&nvec->sync_write_mutex);
spin_lock_init(&nvec->tx_lock);
spin_lock_init(&nvec->rx_lock);
INIT_LIST_HEAD(&nvec->rx_data);
INIT_LIST_HEAD(&nvec->tx_data);
INIT_WORK(&nvec->rx_work, nvec_dispatch);
INIT_WORK(&nvec->tx_work, nvec_request_master);
nvec->gpiod = devm_gpiod_get(dev, "request", GPIOD_OUT_HIGH);
if (IS_ERR(nvec->gpiod)) {
dev_err(dev, "couldn't request gpio\n");
return PTR_ERR(nvec->gpiod);
}
err = devm_request_irq(dev, nvec->irq, nvec_interrupt, 0,
"nvec", nvec);
if (err) {
dev_err(dev, "couldn't request irq\n");
return -ENODEV;
}
disable_irq(nvec->irq);
tegra_init_i2c_slave(nvec);
/* enable event reporting */
nvec_toggle_global_events(nvec, true);
nvec->nvec_status_notifier.notifier_call = nvec_status_notifier;
nvec_register_notifier(nvec, &nvec->nvec_status_notifier, 0);
nvec_power_handle = nvec;
pm_power_off = nvec_power_off;
/* Get Firmware Version */
err = nvec_write_sync(nvec, get_firmware_version, 2, &msg);
if (!err) {
dev_warn(dev,
"ec firmware version %02x.%02x.%02x / %02x\n",
msg->data[4], msg->data[5],
msg->data[6], msg->data[7]);
nvec_msg_free(nvec, msg);
}
ret = mfd_add_devices(dev, 0, nvec_devices,
ARRAY_SIZE(nvec_devices), NULL, 0, NULL);
if (ret)
dev_err(dev, "error adding subdevices\n");
/* unmute speakers? */
nvec_write_async(nvec, unmute_speakers, 4);
/* enable lid switch event */
nvec_event_mask(enable_event, LID_SWITCH);
nvec_write_async(nvec, enable_event, 7);
/* enable power button event */
nvec_event_mask(enable_event, PWR_BUTTON);
nvec_write_async(nvec, enable_event, 7);
return 0;
}
static void tegra_nvec_remove(struct platform_device *pdev)
{
struct nvec_chip *nvec = platform_get_drvdata(pdev);
nvec_toggle_global_events(nvec, false);
mfd_remove_devices(nvec->dev);
nvec_unregister_notifier(nvec, &nvec->nvec_status_notifier);
cancel_work_sync(&nvec->rx_work);
cancel_work_sync(&nvec->tx_work);
/* FIXME: needs check whether nvec is responsible for power off */
pm_power_off = NULL;
}
#ifdef CONFIG_PM_SLEEP
static int nvec_suspend(struct device *dev)
{
int err;
struct nvec_chip *nvec = dev_get_drvdata(dev);
struct nvec_msg *msg;
char ap_suspend[] = { NVEC_SLEEP, AP_SUSPEND };
dev_dbg(nvec->dev, "suspending\n");
/* keep these sync or you'll break suspend */
nvec_toggle_global_events(nvec, false);
err = nvec_write_sync(nvec, ap_suspend, sizeof(ap_suspend), &msg);
if (!err)
nvec_msg_free(nvec, msg);
nvec_disable_i2c_slave(nvec);
return 0;
}
static int nvec_resume(struct device *dev)
{
struct nvec_chip *nvec = dev_get_drvdata(dev);
dev_dbg(nvec->dev, "resuming\n");
tegra_init_i2c_slave(nvec);
nvec_toggle_global_events(nvec, true);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(nvec_pm_ops, nvec_suspend, nvec_resume);
/* Match table for of_platform binding */
static const struct of_device_id nvidia_nvec_of_match[] = {
{ .compatible = "nvidia,nvec", },
{},
};
MODULE_DEVICE_TABLE(of, nvidia_nvec_of_match);
static struct platform_driver nvec_device_driver = {
.probe = tegra_nvec_probe,
.remove_new = tegra_nvec_remove,
.driver = {
.name = "nvec",
.pm = &nvec_pm_ops,
.of_match_table = nvidia_nvec_of_match,
}
};
module_platform_driver(nvec_device_driver);
MODULE_ALIAS("platform:nvec");
MODULE_DESCRIPTION("NVIDIA compliant embedded controller interface");
MODULE_AUTHOR("Marc Dietrich <[email protected]>");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/nvec/nvec.c |
// SPDX-License-Identifier: GPL-2.0
/*
* nvec_power: power supply driver for a NVIDIA compliant embedded controller
*
* Copyright (C) 2011 The AC100 Kernel Team <[email protected]>
*
* Authors: Ilya Petrov <[email protected]>
* Marc Dietrich <[email protected]>
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/power_supply.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include "nvec.h"
#define GET_SYSTEM_STATUS 0x00
struct nvec_power {
struct notifier_block notifier;
struct delayed_work poller;
struct nvec_chip *nvec;
int on;
int bat_present;
int bat_status;
int bat_voltage_now;
int bat_current_now;
int bat_current_avg;
int time_remain;
int charge_full_design;
int charge_last_full;
int critical_capacity;
int capacity_remain;
int bat_temperature;
int bat_cap;
int bat_type_enum;
char bat_manu[30];
char bat_model[30];
char bat_type[30];
};
enum {
SLOT_STATUS,
VOLTAGE,
TIME_REMAINING,
CURRENT,
AVERAGE_CURRENT,
AVERAGING_TIME_INTERVAL,
CAPACITY_REMAINING,
LAST_FULL_CHARGE_CAPACITY,
DESIGN_CAPACITY,
CRITICAL_CAPACITY,
TEMPERATURE,
MANUFACTURER,
MODEL,
TYPE,
};
enum {
AC,
BAT,
};
struct bat_response {
u8 event_type;
u8 length;
u8 sub_type;
u8 status;
/* payload */
union {
char plc[30];
u16 plu;
s16 pls;
};
};
static struct power_supply *nvec_bat_psy;
static struct power_supply *nvec_psy;
static int nvec_power_notifier(struct notifier_block *nb,
unsigned long event_type, void *data)
{
struct nvec_power *power =
container_of(nb, struct nvec_power, notifier);
struct bat_response *res = data;
if (event_type != NVEC_SYS)
return NOTIFY_DONE;
if (res->sub_type == 0) {
if (power->on != res->plu) {
power->on = res->plu;
power_supply_changed(nvec_psy);
}
return NOTIFY_STOP;
}
return NOTIFY_OK;
}
static const int bat_init[] = {
LAST_FULL_CHARGE_CAPACITY, DESIGN_CAPACITY, CRITICAL_CAPACITY,
MANUFACTURER, MODEL, TYPE,
};
static void get_bat_mfg_data(struct nvec_power *power)
{
int i;
char buf[] = { NVEC_BAT, SLOT_STATUS };
for (i = 0; i < ARRAY_SIZE(bat_init); i++) {
buf[1] = bat_init[i];
nvec_write_async(power->nvec, buf, 2);
}
}
static int nvec_power_bat_notifier(struct notifier_block *nb,
unsigned long event_type, void *data)
{
struct nvec_power *power =
container_of(nb, struct nvec_power, notifier);
struct bat_response *res = data;
int status_changed = 0;
if (event_type != NVEC_BAT)
return NOTIFY_DONE;
switch (res->sub_type) {
case SLOT_STATUS:
if (res->plc[0] & 1) {
if (power->bat_present == 0) {
status_changed = 1;
get_bat_mfg_data(power);
}
power->bat_present = 1;
switch ((res->plc[0] >> 1) & 3) {
case 0:
power->bat_status =
POWER_SUPPLY_STATUS_NOT_CHARGING;
break;
case 1:
power->bat_status =
POWER_SUPPLY_STATUS_CHARGING;
break;
case 2:
power->bat_status =
POWER_SUPPLY_STATUS_DISCHARGING;
break;
default:
power->bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
}
} else {
if (power->bat_present == 1)
status_changed = 1;
power->bat_present = 0;
power->bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
}
power->bat_cap = res->plc[1];
if (status_changed)
power_supply_changed(nvec_bat_psy);
break;
case VOLTAGE:
power->bat_voltage_now = res->plu * 1000;
break;
case TIME_REMAINING:
power->time_remain = res->plu * 3600;
break;
case CURRENT:
power->bat_current_now = res->pls * 1000;
break;
case AVERAGE_CURRENT:
power->bat_current_avg = res->pls * 1000;
break;
case CAPACITY_REMAINING:
power->capacity_remain = res->plu * 1000;
break;
case LAST_FULL_CHARGE_CAPACITY:
power->charge_last_full = res->plu * 1000;
break;
case DESIGN_CAPACITY:
power->charge_full_design = res->plu * 1000;
break;
case CRITICAL_CAPACITY:
power->critical_capacity = res->plu * 1000;
break;
case TEMPERATURE:
power->bat_temperature = res->plu - 2732;
break;
case MANUFACTURER:
memcpy(power->bat_manu, &res->plc, res->length - 2);
power->bat_model[res->length - 2] = '\0';
break;
case MODEL:
memcpy(power->bat_model, &res->plc, res->length - 2);
power->bat_model[res->length - 2] = '\0';
break;
case TYPE:
memcpy(power->bat_type, &res->plc, res->length - 2);
power->bat_type[res->length - 2] = '\0';
/*
* This differs a little from the spec fill in more if you find
* some.
*/
if (!strncmp(power->bat_type, "Li", 30))
power->bat_type_enum = POWER_SUPPLY_TECHNOLOGY_LION;
else
power->bat_type_enum = POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
break;
default:
return NOTIFY_STOP;
}
return NOTIFY_STOP;
}
static int nvec_power_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct nvec_power *power = dev_get_drvdata(psy->dev.parent);
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
val->intval = power->on;
break;
default:
return -EINVAL;
}
return 0;
}
static int nvec_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct nvec_power *power = dev_get_drvdata(psy->dev.parent);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
val->intval = power->bat_status;
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval = power->bat_cap;
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = power->bat_present;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = power->bat_voltage_now;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = power->bat_current_now;
break;
case POWER_SUPPLY_PROP_CURRENT_AVG:
val->intval = power->bat_current_avg;
break;
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
val->intval = power->time_remain;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
val->intval = power->charge_full_design;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
val->intval = power->charge_last_full;
break;
case POWER_SUPPLY_PROP_CHARGE_EMPTY:
val->intval = power->critical_capacity;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
val->intval = power->capacity_remain;
break;
case POWER_SUPPLY_PROP_TEMP:
val->intval = power->bat_temperature;
break;
case POWER_SUPPLY_PROP_MANUFACTURER:
val->strval = power->bat_manu;
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = power->bat_model;
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = power->bat_type_enum;
break;
default:
return -EINVAL;
}
return 0;
}
static enum power_supply_property nvec_power_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
static enum power_supply_property nvec_battery_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
#ifdef EC_FULL_DIAG
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
#endif
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_EMPTY,
POWER_SUPPLY_PROP_CHARGE_NOW,
POWER_SUPPLY_PROP_MANUFACTURER,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_TECHNOLOGY,
};
static char *nvec_power_supplied_to[] = {
"battery",
};
static const struct power_supply_desc nvec_bat_psy_desc = {
.name = "battery",
.type = POWER_SUPPLY_TYPE_BATTERY,
.properties = nvec_battery_props,
.num_properties = ARRAY_SIZE(nvec_battery_props),
.get_property = nvec_battery_get_property,
};
static const struct power_supply_desc nvec_psy_desc = {
.name = "ac",
.type = POWER_SUPPLY_TYPE_MAINS,
.properties = nvec_power_props,
.num_properties = ARRAY_SIZE(nvec_power_props),
.get_property = nvec_power_get_property,
};
static int counter;
static const int bat_iter[] = {
SLOT_STATUS, VOLTAGE, CURRENT, CAPACITY_REMAINING,
#ifdef EC_FULL_DIAG
AVERAGE_CURRENT, TEMPERATURE, TIME_REMAINING,
#endif
};
static void nvec_power_poll(struct work_struct *work)
{
char buf[] = { NVEC_SYS, GET_SYSTEM_STATUS };
struct nvec_power *power = container_of(work, struct nvec_power,
poller.work);
if (counter >= ARRAY_SIZE(bat_iter))
counter = 0;
/* AC status via sys req */
nvec_write_async(power->nvec, buf, 2);
msleep(100);
/*
* Select a battery request function via round robin doing it all at
* once seems to overload the power supply.
*/
buf[0] = NVEC_BAT;
buf[1] = bat_iter[counter++];
nvec_write_async(power->nvec, buf, 2);
schedule_delayed_work(to_delayed_work(work), msecs_to_jiffies(5000));
};
static int nvec_power_probe(struct platform_device *pdev)
{
struct power_supply **psy;
const struct power_supply_desc *psy_desc;
struct nvec_power *power;
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
struct power_supply_config psy_cfg = {};
power = devm_kzalloc(&pdev->dev, sizeof(struct nvec_power), GFP_NOWAIT);
if (!power)
return -ENOMEM;
dev_set_drvdata(&pdev->dev, power);
power->nvec = nvec;
switch (pdev->id) {
case AC:
psy = &nvec_psy;
psy_desc = &nvec_psy_desc;
psy_cfg.supplied_to = nvec_power_supplied_to;
psy_cfg.num_supplicants = ARRAY_SIZE(nvec_power_supplied_to);
power->notifier.notifier_call = nvec_power_notifier;
INIT_DELAYED_WORK(&power->poller, nvec_power_poll);
schedule_delayed_work(&power->poller, msecs_to_jiffies(5000));
break;
case BAT:
psy = &nvec_bat_psy;
psy_desc = &nvec_bat_psy_desc;
power->notifier.notifier_call = nvec_power_bat_notifier;
break;
default:
return -ENODEV;
}
nvec_register_notifier(nvec, &power->notifier, NVEC_SYS);
if (pdev->id == BAT)
get_bat_mfg_data(power);
*psy = power_supply_register(&pdev->dev, psy_desc, &psy_cfg);
return PTR_ERR_OR_ZERO(*psy);
}
static void nvec_power_remove(struct platform_device *pdev)
{
struct nvec_power *power = platform_get_drvdata(pdev);
cancel_delayed_work_sync(&power->poller);
nvec_unregister_notifier(power->nvec, &power->notifier);
switch (pdev->id) {
case AC:
power_supply_unregister(nvec_psy);
break;
case BAT:
power_supply_unregister(nvec_bat_psy);
}
}
static struct platform_driver nvec_power_driver = {
.probe = nvec_power_probe,
.remove_new = nvec_power_remove,
.driver = {
.name = "nvec-power",
}
};
module_platform_driver(nvec_power_driver);
MODULE_AUTHOR("Ilya Petrov <[email protected]>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("NVEC battery and AC driver");
MODULE_ALIAS("platform:nvec-power");
| linux-master | drivers/staging/nvec/nvec_power.c |
// SPDX-License-Identifier: GPL-2.0
/*
* AD5933 AD5934 Impedance Converter, Network Analyzer
*
* Copyright 2011 Analog Devices Inc.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/iio/buffer.h>
#include <linux/iio/iio.h>
#include <linux/iio/kfifo_buf.h>
#include <linux/iio/sysfs.h>
/* AD5933/AD5934 Registers */
#define AD5933_REG_CONTROL_HB 0x80 /* R/W, 1 byte */
#define AD5933_REG_CONTROL_LB 0x81 /* R/W, 1 byte */
#define AD5933_REG_FREQ_START 0x82 /* R/W, 3 bytes */
#define AD5933_REG_FREQ_INC 0x85 /* R/W, 3 bytes */
#define AD5933_REG_INC_NUM 0x88 /* R/W, 2 bytes, 9 bit */
#define AD5933_REG_SETTLING_CYCLES 0x8A /* R/W, 2 bytes */
#define AD5933_REG_STATUS 0x8F /* R, 1 byte */
#define AD5933_REG_TEMP_DATA 0x92 /* R, 2 bytes*/
#define AD5933_REG_REAL_DATA 0x94 /* R, 2 bytes*/
#define AD5933_REG_IMAG_DATA 0x96 /* R, 2 bytes*/
/* AD5933_REG_CONTROL_HB Bits */
#define AD5933_CTRL_INIT_START_FREQ (0x1 << 4)
#define AD5933_CTRL_START_SWEEP (0x2 << 4)
#define AD5933_CTRL_INC_FREQ (0x3 << 4)
#define AD5933_CTRL_REPEAT_FREQ (0x4 << 4)
#define AD5933_CTRL_MEASURE_TEMP (0x9 << 4)
#define AD5933_CTRL_POWER_DOWN (0xA << 4)
#define AD5933_CTRL_STANDBY (0xB << 4)
#define AD5933_CTRL_RANGE_2000mVpp (0x0 << 1)
#define AD5933_CTRL_RANGE_200mVpp (0x1 << 1)
#define AD5933_CTRL_RANGE_400mVpp (0x2 << 1)
#define AD5933_CTRL_RANGE_1000mVpp (0x3 << 1)
#define AD5933_CTRL_RANGE(x) ((x) << 1)
#define AD5933_CTRL_PGA_GAIN_1 (0x1 << 0)
#define AD5933_CTRL_PGA_GAIN_5 (0x0 << 0)
/* AD5933_REG_CONTROL_LB Bits */
#define AD5933_CTRL_RESET (0x1 << 4)
#define AD5933_CTRL_INT_SYSCLK (0x0 << 3)
#define AD5933_CTRL_EXT_SYSCLK (0x1 << 3)
/* AD5933_REG_STATUS Bits */
#define AD5933_STAT_TEMP_VALID (0x1 << 0)
#define AD5933_STAT_DATA_VALID (0x1 << 1)
#define AD5933_STAT_SWEEP_DONE (0x1 << 2)
/* I2C Block Commands */
#define AD5933_I2C_BLOCK_WRITE 0xA0
#define AD5933_I2C_BLOCK_READ 0xA1
#define AD5933_I2C_ADDR_POINTER 0xB0
/* Device Specs */
#define AD5933_INT_OSC_FREQ_Hz 16776000
#define AD5933_MAX_OUTPUT_FREQ_Hz 100000
#define AD5933_MAX_RETRIES 100
#define AD5933_OUT_RANGE 1
#define AD5933_OUT_RANGE_AVAIL 2
#define AD5933_OUT_SETTLING_CYCLES 3
#define AD5933_IN_PGA_GAIN 4
#define AD5933_IN_PGA_GAIN_AVAIL 5
#define AD5933_FREQ_POINTS 6
#define AD5933_POLL_TIME_ms 10
#define AD5933_INIT_EXCITATION_TIME_ms 100
struct ad5933_state {
struct i2c_client *client;
struct regulator *reg;
struct clk *mclk;
struct delayed_work work;
struct mutex lock; /* Protect sensor state */
unsigned long mclk_hz;
unsigned char ctrl_hb;
unsigned char ctrl_lb;
unsigned int range_avail[4];
unsigned short vref_mv;
unsigned short settling_cycles;
unsigned short freq_points;
unsigned int freq_start;
unsigned int freq_inc;
unsigned int state;
unsigned int poll_time_jiffies;
};
#define AD5933_CHANNEL(_type, _extend_name, _info_mask_separate, _address, \
_scan_index, _realbits) { \
.type = (_type), \
.extend_name = (_extend_name), \
.info_mask_separate = (_info_mask_separate), \
.address = (_address), \
.scan_index = (_scan_index), \
.scan_type = { \
.sign = 's', \
.realbits = (_realbits), \
.storagebits = 16, \
}, \
}
static const struct iio_chan_spec ad5933_channels[] = {
AD5933_CHANNEL(IIO_TEMP, NULL, BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE), AD5933_REG_TEMP_DATA, -1, 14),
/* Ring Channels */
AD5933_CHANNEL(IIO_VOLTAGE, "real", 0, AD5933_REG_REAL_DATA, 0, 16),
AD5933_CHANNEL(IIO_VOLTAGE, "imag", 0, AD5933_REG_IMAG_DATA, 1, 16),
};
static int ad5933_i2c_write(struct i2c_client *client, u8 reg, u8 len, u8 *data)
{
int ret;
while (len--) {
ret = i2c_smbus_write_byte_data(client, reg++, *data++);
if (ret < 0) {
dev_err(&client->dev, "I2C write error\n");
return ret;
}
}
return 0;
}
static int ad5933_i2c_read(struct i2c_client *client, u8 reg, u8 len, u8 *data)
{
int ret;
while (len--) {
ret = i2c_smbus_read_byte_data(client, reg++);
if (ret < 0) {
dev_err(&client->dev, "I2C read error\n");
return ret;
}
*data++ = ret;
}
return 0;
}
static int ad5933_cmd(struct ad5933_state *st, unsigned char cmd)
{
unsigned char dat = st->ctrl_hb | cmd;
return ad5933_i2c_write(st->client,
AD5933_REG_CONTROL_HB, 1, &dat);
}
static int ad5933_reset(struct ad5933_state *st)
{
unsigned char dat = st->ctrl_lb | AD5933_CTRL_RESET;
return ad5933_i2c_write(st->client,
AD5933_REG_CONTROL_LB, 1, &dat);
}
static int ad5933_wait_busy(struct ad5933_state *st, unsigned char event)
{
unsigned char val, timeout = AD5933_MAX_RETRIES;
int ret;
while (timeout--) {
ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &val);
if (ret < 0)
return ret;
if (val & event)
return val;
cpu_relax();
mdelay(1);
}
return -EAGAIN;
}
static int ad5933_set_freq(struct ad5933_state *st,
unsigned int reg, unsigned long freq)
{
unsigned long long freqreg;
union {
__be32 d32;
u8 d8[4];
} dat;
freqreg = (u64)freq * (u64)(1 << 27);
do_div(freqreg, st->mclk_hz / 4);
switch (reg) {
case AD5933_REG_FREQ_START:
st->freq_start = freq;
break;
case AD5933_REG_FREQ_INC:
st->freq_inc = freq;
break;
default:
return -EINVAL;
}
dat.d32 = cpu_to_be32(freqreg);
return ad5933_i2c_write(st->client, reg, 3, &dat.d8[1]);
}
static int ad5933_setup(struct ad5933_state *st)
{
__be16 dat;
int ret;
ret = ad5933_reset(st);
if (ret < 0)
return ret;
ret = ad5933_set_freq(st, AD5933_REG_FREQ_START, 10000);
if (ret < 0)
return ret;
ret = ad5933_set_freq(st, AD5933_REG_FREQ_INC, 200);
if (ret < 0)
return ret;
st->settling_cycles = 10;
dat = cpu_to_be16(st->settling_cycles);
ret = ad5933_i2c_write(st->client,
AD5933_REG_SETTLING_CYCLES,
2, (u8 *)&dat);
if (ret < 0)
return ret;
st->freq_points = 100;
dat = cpu_to_be16(st->freq_points);
return ad5933_i2c_write(st->client, AD5933_REG_INC_NUM, 2, (u8 *)&dat);
}
static void ad5933_calc_out_ranges(struct ad5933_state *st)
{
int i;
unsigned int normalized_3v3[4] = {1980, 198, 383, 970};
for (i = 0; i < 4; i++)
st->range_avail[i] = normalized_3v3[i] * st->vref_mv / 3300;
}
/*
* handles: AD5933_REG_FREQ_START and AD5933_REG_FREQ_INC
*/
static ssize_t ad5933_show_frequency(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad5933_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
unsigned long long freqreg;
union {
__be32 d32;
u8 d8[4];
} dat;
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
ret = ad5933_i2c_read(st->client, this_attr->address, 3, &dat.d8[1]);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
freqreg = be32_to_cpu(dat.d32) & 0xFFFFFF;
freqreg = (u64)freqreg * (u64)(st->mclk_hz / 4);
do_div(freqreg, BIT(27));
return sprintf(buf, "%d\n", (int)freqreg);
}
static ssize_t ad5933_store_frequency(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad5933_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
unsigned long val;
int ret;
ret = kstrtoul(buf, 10, &val);
if (ret)
return ret;
if (val > AD5933_MAX_OUTPUT_FREQ_Hz)
return -EINVAL;
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
ret = ad5933_set_freq(st, this_attr->address, val);
iio_device_release_direct_mode(indio_dev);
return ret ? ret : len;
}
static IIO_DEVICE_ATTR(out_altvoltage0_frequency_start, 0644,
ad5933_show_frequency,
ad5933_store_frequency,
AD5933_REG_FREQ_START);
static IIO_DEVICE_ATTR(out_altvoltage0_frequency_increment, 0644,
ad5933_show_frequency,
ad5933_store_frequency,
AD5933_REG_FREQ_INC);
static ssize_t ad5933_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad5933_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret = 0, len = 0;
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
case AD5933_OUT_RANGE:
len = sprintf(buf, "%u\n",
st->range_avail[(st->ctrl_hb >> 1) & 0x3]);
break;
case AD5933_OUT_RANGE_AVAIL:
len = sprintf(buf, "%u %u %u %u\n", st->range_avail[0],
st->range_avail[3], st->range_avail[2],
st->range_avail[1]);
break;
case AD5933_OUT_SETTLING_CYCLES:
len = sprintf(buf, "%d\n", st->settling_cycles);
break;
case AD5933_IN_PGA_GAIN:
len = sprintf(buf, "%s\n",
(st->ctrl_hb & AD5933_CTRL_PGA_GAIN_1) ?
"1" : "0.2");
break;
case AD5933_IN_PGA_GAIN_AVAIL:
len = sprintf(buf, "1 0.2\n");
break;
case AD5933_FREQ_POINTS:
len = sprintf(buf, "%d\n", st->freq_points);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&st->lock);
return ret ? ret : len;
}
static ssize_t ad5933_store(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad5933_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
u16 val;
int i, ret = 0;
__be16 dat;
if (this_attr->address != AD5933_IN_PGA_GAIN) {
ret = kstrtou16(buf, 10, &val);
if (ret)
return ret;
}
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
case AD5933_OUT_RANGE:
ret = -EINVAL;
for (i = 0; i < 4; i++)
if (val == st->range_avail[i]) {
st->ctrl_hb &= ~AD5933_CTRL_RANGE(0x3);
st->ctrl_hb |= AD5933_CTRL_RANGE(i);
ret = ad5933_cmd(st, 0);
break;
}
break;
case AD5933_IN_PGA_GAIN:
if (sysfs_streq(buf, "1")) {
st->ctrl_hb |= AD5933_CTRL_PGA_GAIN_1;
} else if (sysfs_streq(buf, "0.2")) {
st->ctrl_hb &= ~AD5933_CTRL_PGA_GAIN_1;
} else {
ret = -EINVAL;
break;
}
ret = ad5933_cmd(st, 0);
break;
case AD5933_OUT_SETTLING_CYCLES:
val = clamp(val, (u16)0, (u16)0x7FF);
st->settling_cycles = val;
/* 2x, 4x handling, see datasheet */
if (val > 1022)
val = (val >> 2) | (3 << 9);
else if (val > 511)
val = (val >> 1) | BIT(9);
dat = cpu_to_be16(val);
ret = ad5933_i2c_write(st->client,
AD5933_REG_SETTLING_CYCLES,
2, (u8 *)&dat);
break;
case AD5933_FREQ_POINTS:
val = clamp(val, (u16)0, (u16)511);
st->freq_points = val;
dat = cpu_to_be16(val);
ret = ad5933_i2c_write(st->client, AD5933_REG_INC_NUM, 2,
(u8 *)&dat);
break;
default:
ret = -EINVAL;
}
mutex_unlock(&st->lock);
iio_device_release_direct_mode(indio_dev);
return ret ? ret : len;
}
static IIO_DEVICE_ATTR(out_altvoltage0_raw, 0644,
ad5933_show,
ad5933_store,
AD5933_OUT_RANGE);
static IIO_DEVICE_ATTR(out_altvoltage0_scale_available, 0444,
ad5933_show,
NULL,
AD5933_OUT_RANGE_AVAIL);
static IIO_DEVICE_ATTR(in_voltage0_scale, 0644,
ad5933_show,
ad5933_store,
AD5933_IN_PGA_GAIN);
static IIO_DEVICE_ATTR(in_voltage0_scale_available, 0444,
ad5933_show,
NULL,
AD5933_IN_PGA_GAIN_AVAIL);
static IIO_DEVICE_ATTR(out_altvoltage0_frequency_points, 0644,
ad5933_show,
ad5933_store,
AD5933_FREQ_POINTS);
static IIO_DEVICE_ATTR(out_altvoltage0_settling_cycles, 0644,
ad5933_show,
ad5933_store,
AD5933_OUT_SETTLING_CYCLES);
/*
* note:
* ideally we would handle the scale attributes via the iio_info
* (read|write)_raw methods, however this part is a untypical since we
* don't create dedicated sysfs channel attributes for out0 and in0.
*/
static struct attribute *ad5933_attributes[] = {
&iio_dev_attr_out_altvoltage0_raw.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_scale_available.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency_start.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency_increment.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency_points.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_settling_cycles.dev_attr.attr,
&iio_dev_attr_in_voltage0_scale.dev_attr.attr,
&iio_dev_attr_in_voltage0_scale_available.dev_attr.attr,
NULL
};
static const struct attribute_group ad5933_attribute_group = {
.attrs = ad5933_attributes,
};
static int ad5933_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long m)
{
struct ad5933_state *st = iio_priv(indio_dev);
__be16 dat;
int ret;
switch (m) {
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
ret = ad5933_cmd(st, AD5933_CTRL_MEASURE_TEMP);
if (ret < 0)
goto out;
ret = ad5933_wait_busy(st, AD5933_STAT_TEMP_VALID);
if (ret < 0)
goto out;
ret = ad5933_i2c_read(st->client,
AD5933_REG_TEMP_DATA,
2, (u8 *)&dat);
if (ret < 0)
goto out;
iio_device_release_direct_mode(indio_dev);
*val = sign_extend32(be16_to_cpu(dat), 13);
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
*val = 1000;
*val2 = 5;
return IIO_VAL_FRACTIONAL_LOG2;
}
return -EINVAL;
out:
iio_device_release_direct_mode(indio_dev);
return ret;
}
static const struct iio_info ad5933_info = {
.read_raw = ad5933_read_raw,
.attrs = &ad5933_attribute_group,
};
static int ad5933_ring_preenable(struct iio_dev *indio_dev)
{
struct ad5933_state *st = iio_priv(indio_dev);
int ret;
if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
return -EINVAL;
ret = ad5933_reset(st);
if (ret < 0)
return ret;
ret = ad5933_cmd(st, AD5933_CTRL_STANDBY);
if (ret < 0)
return ret;
ret = ad5933_cmd(st, AD5933_CTRL_INIT_START_FREQ);
if (ret < 0)
return ret;
st->state = AD5933_CTRL_INIT_START_FREQ;
return 0;
}
static int ad5933_ring_postenable(struct iio_dev *indio_dev)
{
struct ad5933_state *st = iio_priv(indio_dev);
/*
* AD5933_CTRL_INIT_START_FREQ:
* High Q complex circuits require a long time to reach steady state.
* To facilitate the measurement of such impedances, this mode allows
* the user full control of the settling time requirement before
* entering start frequency sweep mode where the impedance measurement
* takes place. In this mode the impedance is excited with the
* programmed start frequency (ad5933_ring_preenable),
* but no measurement takes place.
*/
schedule_delayed_work(&st->work,
msecs_to_jiffies(AD5933_INIT_EXCITATION_TIME_ms));
return 0;
}
static int ad5933_ring_postdisable(struct iio_dev *indio_dev)
{
struct ad5933_state *st = iio_priv(indio_dev);
cancel_delayed_work_sync(&st->work);
return ad5933_cmd(st, AD5933_CTRL_POWER_DOWN);
}
static const struct iio_buffer_setup_ops ad5933_ring_setup_ops = {
.preenable = ad5933_ring_preenable,
.postenable = ad5933_ring_postenable,
.postdisable = ad5933_ring_postdisable,
};
static void ad5933_work(struct work_struct *work)
{
struct ad5933_state *st = container_of(work,
struct ad5933_state, work.work);
struct iio_dev *indio_dev = i2c_get_clientdata(st->client);
__be16 buf[2];
int val[2];
unsigned char status;
int ret;
if (st->state == AD5933_CTRL_INIT_START_FREQ) {
/* start sweep */
ad5933_cmd(st, AD5933_CTRL_START_SWEEP);
st->state = AD5933_CTRL_START_SWEEP;
schedule_delayed_work(&st->work, st->poll_time_jiffies);
return;
}
ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
if (ret)
return;
if (status & AD5933_STAT_DATA_VALID) {
int scan_count = bitmap_weight(indio_dev->active_scan_mask,
indio_dev->masklength);
ret = ad5933_i2c_read(st->client,
test_bit(1, indio_dev->active_scan_mask) ?
AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA,
scan_count * 2, (u8 *)buf);
if (ret)
return;
if (scan_count == 2) {
val[0] = be16_to_cpu(buf[0]);
val[1] = be16_to_cpu(buf[1]);
} else {
val[0] = be16_to_cpu(buf[0]);
}
iio_push_to_buffers(indio_dev, val);
} else {
/* no data available - try again later */
schedule_delayed_work(&st->work, st->poll_time_jiffies);
return;
}
if (status & AD5933_STAT_SWEEP_DONE) {
/*
* last sample received - power down do
* nothing until the ring enable is toggled
*/
ad5933_cmd(st, AD5933_CTRL_POWER_DOWN);
} else {
/* we just received a valid datum, move on to the next */
ad5933_cmd(st, AD5933_CTRL_INC_FREQ);
schedule_delayed_work(&st->work, st->poll_time_jiffies);
}
}
static void ad5933_reg_disable(void *data)
{
struct ad5933_state *st = data;
regulator_disable(st->reg);
}
static void ad5933_clk_disable(void *data)
{
struct ad5933_state *st = data;
clk_disable_unprepare(st->mclk);
}
static int ad5933_probe(struct i2c_client *client)
{
const struct i2c_device_id *id = i2c_client_get_device_id(client);
int ret;
struct ad5933_state *st;
struct iio_dev *indio_dev;
unsigned long ext_clk_hz = 0;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
st->client = client;
mutex_init(&st->lock);
st->reg = devm_regulator_get(&client->dev, "vdd");
if (IS_ERR(st->reg))
return PTR_ERR(st->reg);
ret = regulator_enable(st->reg);
if (ret) {
dev_err(&client->dev, "Failed to enable specified VDD supply\n");
return ret;
}
ret = devm_add_action_or_reset(&client->dev, ad5933_reg_disable, st);
if (ret)
return ret;
ret = regulator_get_voltage(st->reg);
if (ret < 0)
return ret;
st->vref_mv = ret / 1000;
st->mclk = devm_clk_get(&client->dev, "mclk");
if (IS_ERR(st->mclk) && PTR_ERR(st->mclk) != -ENOENT)
return PTR_ERR(st->mclk);
if (!IS_ERR(st->mclk)) {
ret = clk_prepare_enable(st->mclk);
if (ret < 0)
return ret;
ret = devm_add_action_or_reset(&client->dev,
ad5933_clk_disable,
st);
if (ret)
return ret;
ext_clk_hz = clk_get_rate(st->mclk);
}
if (ext_clk_hz) {
st->mclk_hz = ext_clk_hz;
st->ctrl_lb = AD5933_CTRL_EXT_SYSCLK;
} else {
st->mclk_hz = AD5933_INT_OSC_FREQ_Hz;
st->ctrl_lb = AD5933_CTRL_INT_SYSCLK;
}
ad5933_calc_out_ranges(st);
INIT_DELAYED_WORK(&st->work, ad5933_work);
st->poll_time_jiffies = msecs_to_jiffies(AD5933_POLL_TIME_ms);
indio_dev->info = &ad5933_info;
indio_dev->name = id->name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ad5933_channels;
indio_dev->num_channels = ARRAY_SIZE(ad5933_channels);
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
&ad5933_ring_setup_ops);
if (ret)
return ret;
ret = ad5933_setup(st);
if (ret)
return ret;
return devm_iio_device_register(&client->dev, indio_dev);
}
static const struct i2c_device_id ad5933_id[] = {
{ "ad5933", 0 },
{ "ad5934", 0 },
{}
};
MODULE_DEVICE_TABLE(i2c, ad5933_id);
static const struct of_device_id ad5933_of_match[] = {
{ .compatible = "adi,ad5933" },
{ .compatible = "adi,ad5934" },
{ },
};
MODULE_DEVICE_TABLE(of, ad5933_of_match);
static struct i2c_driver ad5933_driver = {
.driver = {
.name = "ad5933",
.of_match_table = ad5933_of_match,
},
.probe = ad5933_probe,
.id_table = ad5933_id,
};
module_i2c_driver(ad5933_driver);
MODULE_AUTHOR("Michael Hennerich <[email protected]>");
MODULE_DESCRIPTION("Analog Devices AD5933 Impedance Conv. Network Analyzer");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/impedance-analyzer/ad5933.c |
// SPDX-License-Identifier: GPL-2.0
/*
* AD9833/AD9834/AD9837/AD9838 SPI DDS driver
*
* Copyright 2010-2011 Analog Devices Inc.
*/
#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/list.h>
#include <linux/spi/spi.h>
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <linux/module.h>
#include <asm/div64.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include "dds.h"
#include "ad9834.h"
/* Registers */
#define AD9834_REG_CMD 0
#define AD9834_REG_FREQ0 BIT(14)
#define AD9834_REG_FREQ1 BIT(15)
#define AD9834_REG_PHASE0 (BIT(15) | BIT(14))
#define AD9834_REG_PHASE1 (BIT(15) | BIT(14) | BIT(13))
/* Command Control Bits */
#define AD9834_B28 BIT(13)
#define AD9834_HLB BIT(12)
#define AD9834_FSEL BIT(11)
#define AD9834_PSEL BIT(10)
#define AD9834_PIN_SW BIT(9)
#define AD9834_RESET BIT(8)
#define AD9834_SLEEP1 BIT(7)
#define AD9834_SLEEP12 BIT(6)
#define AD9834_OPBITEN BIT(5)
#define AD9834_SIGN_PIB BIT(4)
#define AD9834_DIV2 BIT(3)
#define AD9834_MODE BIT(1)
#define AD9834_FREQ_BITS 28
#define AD9834_PHASE_BITS 12
#define RES_MASK(bits) (BIT(bits) - 1)
/**
* struct ad9834_state - driver instance specific data
* @spi: spi_device
* @mclk: external master clock
* @control: cached control word
* @devid: device id
* @xfer: default spi transfer
* @msg: default spi message
* @freq_xfer: tuning word spi transfer
* @freq_msg: tuning word spi message
* @lock: protect sensor state
* @data: spi transmit buffer
* @freq_data: tuning word spi transmit buffer
*/
struct ad9834_state {
struct spi_device *spi;
struct clk *mclk;
unsigned short control;
unsigned short devid;
struct spi_transfer xfer;
struct spi_message msg;
struct spi_transfer freq_xfer[2];
struct spi_message freq_msg;
struct mutex lock; /* protect sensor state */
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
*/
__be16 data __aligned(IIO_DMA_MINALIGN);
__be16 freq_data[2];
};
/*
* ad9834_supported_device_ids:
*/
enum ad9834_supported_device_ids {
ID_AD9833,
ID_AD9834,
ID_AD9837,
ID_AD9838,
};
static unsigned int ad9834_calc_freqreg(unsigned long mclk, unsigned long fout)
{
unsigned long long freqreg = (u64)fout * (u64)BIT(AD9834_FREQ_BITS);
do_div(freqreg, mclk);
return freqreg;
}
static int ad9834_write_frequency(struct ad9834_state *st,
unsigned long addr, unsigned long fout)
{
unsigned long clk_freq;
unsigned long regval;
clk_freq = clk_get_rate(st->mclk);
if (fout > (clk_freq / 2))
return -EINVAL;
regval = ad9834_calc_freqreg(clk_freq, fout);
st->freq_data[0] = cpu_to_be16(addr | (regval &
RES_MASK(AD9834_FREQ_BITS / 2)));
st->freq_data[1] = cpu_to_be16(addr | ((regval >>
(AD9834_FREQ_BITS / 2)) &
RES_MASK(AD9834_FREQ_BITS / 2)));
return spi_sync(st->spi, &st->freq_msg);
}
static int ad9834_write_phase(struct ad9834_state *st,
unsigned long addr, unsigned long phase)
{
if (phase > BIT(AD9834_PHASE_BITS))
return -EINVAL;
st->data = cpu_to_be16(addr | phase);
return spi_sync(st->spi, &st->msg);
}
static ssize_t ad9834_write(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad9834_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
unsigned long val;
ret = kstrtoul(buf, 10, &val);
if (ret)
return ret;
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
case AD9834_REG_FREQ0:
case AD9834_REG_FREQ1:
ret = ad9834_write_frequency(st, this_attr->address, val);
break;
case AD9834_REG_PHASE0:
case AD9834_REG_PHASE1:
ret = ad9834_write_phase(st, this_attr->address, val);
break;
case AD9834_OPBITEN:
if (st->control & AD9834_MODE) {
ret = -EINVAL; /* AD9843 reserved mode */
break;
}
if (val)
st->control |= AD9834_OPBITEN;
else
st->control &= ~AD9834_OPBITEN;
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9834_PIN_SW:
if (val)
st->control |= AD9834_PIN_SW;
else
st->control &= ~AD9834_PIN_SW;
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9834_FSEL:
case AD9834_PSEL:
if (!val) {
st->control &= ~(this_attr->address | AD9834_PIN_SW);
} else if (val == 1) {
st->control |= this_attr->address;
st->control &= ~AD9834_PIN_SW;
} else {
ret = -EINVAL;
break;
}
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9834_RESET:
if (val)
st->control &= ~AD9834_RESET;
else
st->control |= AD9834_RESET;
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
break;
default:
ret = -ENODEV;
}
mutex_unlock(&st->lock);
return ret ? ret : len;
}
static ssize_t ad9834_store_wavetype(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad9834_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret = 0;
bool is_ad9833_7 = (st->devid == ID_AD9833) || (st->devid == ID_AD9837);
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
case 0:
if (sysfs_streq(buf, "sine")) {
st->control &= ~AD9834_MODE;
if (is_ad9833_7)
st->control &= ~AD9834_OPBITEN;
} else if (sysfs_streq(buf, "triangle")) {
if (is_ad9833_7) {
st->control &= ~AD9834_OPBITEN;
st->control |= AD9834_MODE;
} else if (st->control & AD9834_OPBITEN) {
ret = -EINVAL; /* AD9843 reserved mode */
} else {
st->control |= AD9834_MODE;
}
} else if (is_ad9833_7 && sysfs_streq(buf, "square")) {
st->control &= ~AD9834_MODE;
st->control |= AD9834_OPBITEN;
} else {
ret = -EINVAL;
}
break;
case 1:
if (sysfs_streq(buf, "square") &&
!(st->control & AD9834_MODE)) {
st->control &= ~AD9834_MODE;
st->control |= AD9834_OPBITEN;
} else {
ret = -EINVAL;
}
break;
default:
ret = -EINVAL;
break;
}
if (!ret) {
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
}
mutex_unlock(&st->lock);
return ret ? ret : len;
}
static
ssize_t ad9834_show_out0_wavetype_available(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad9834_state *st = iio_priv(indio_dev);
char *str;
if (st->devid == ID_AD9833 || st->devid == ID_AD9837)
str = "sine triangle square";
else if (st->control & AD9834_OPBITEN)
str = "sine";
else
str = "sine triangle";
return sprintf(buf, "%s\n", str);
}
static IIO_DEVICE_ATTR(out_altvoltage0_out0_wavetype_available, 0444,
ad9834_show_out0_wavetype_available, NULL, 0);
static
ssize_t ad9834_show_out1_wavetype_available(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad9834_state *st = iio_priv(indio_dev);
char *str;
if (st->control & AD9834_MODE)
str = "";
else
str = "square";
return sprintf(buf, "%s\n", str);
}
static IIO_DEVICE_ATTR(out_altvoltage0_out1_wavetype_available, 0444,
ad9834_show_out1_wavetype_available, NULL, 0);
/*
* see dds.h for further information
*/
static IIO_DEV_ATTR_FREQ(0, 0, 0200, NULL, ad9834_write, AD9834_REG_FREQ0);
static IIO_DEV_ATTR_FREQ(0, 1, 0200, NULL, ad9834_write, AD9834_REG_FREQ1);
static IIO_DEV_ATTR_FREQSYMBOL(0, 0200, NULL, ad9834_write, AD9834_FSEL);
static IIO_CONST_ATTR_FREQ_SCALE(0, "1"); /* 1Hz */
static IIO_DEV_ATTR_PHASE(0, 0, 0200, NULL, ad9834_write, AD9834_REG_PHASE0);
static IIO_DEV_ATTR_PHASE(0, 1, 0200, NULL, ad9834_write, AD9834_REG_PHASE1);
static IIO_DEV_ATTR_PHASESYMBOL(0, 0200, NULL, ad9834_write, AD9834_PSEL);
static IIO_CONST_ATTR_PHASE_SCALE(0, "0.0015339808"); /* 2PI/2^12 rad*/
static IIO_DEV_ATTR_PINCONTROL_EN(0, 0200, NULL, ad9834_write, AD9834_PIN_SW);
static IIO_DEV_ATTR_OUT_ENABLE(0, 0200, NULL, ad9834_write, AD9834_RESET);
static IIO_DEV_ATTR_OUTY_ENABLE(0, 1, 0200, NULL, ad9834_write, AD9834_OPBITEN);
static IIO_DEV_ATTR_OUT_WAVETYPE(0, 0, ad9834_store_wavetype, 0);
static IIO_DEV_ATTR_OUT_WAVETYPE(0, 1, ad9834_store_wavetype, 1);
static struct attribute *ad9834_attributes[] = {
&iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr,
&iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr,
&iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_pincontrol_en.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out1_enable.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out0_wavetype.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out1_wavetype.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out0_wavetype_available.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out1_wavetype_available.dev_attr.attr,
NULL,
};
static struct attribute *ad9833_attributes[] = {
&iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr,
&iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr,
&iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out0_wavetype.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out0_wavetype_available.dev_attr.attr,
NULL,
};
static const struct attribute_group ad9834_attribute_group = {
.attrs = ad9834_attributes,
};
static const struct attribute_group ad9833_attribute_group = {
.attrs = ad9833_attributes,
};
static const struct iio_info ad9834_info = {
.attrs = &ad9834_attribute_group,
};
static const struct iio_info ad9833_info = {
.attrs = &ad9833_attribute_group,
};
static void ad9834_disable_reg(void *data)
{
struct regulator *reg = data;
regulator_disable(reg);
}
static void ad9834_disable_clk(void *data)
{
struct clk *clk = data;
clk_disable_unprepare(clk);
}
static int ad9834_probe(struct spi_device *spi)
{
struct ad9834_state *st;
struct iio_dev *indio_dev;
struct regulator *reg;
int ret;
reg = devm_regulator_get(&spi->dev, "avdd");
if (IS_ERR(reg))
return PTR_ERR(reg);
ret = regulator_enable(reg);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad9834_disable_reg, reg);
if (ret)
return ret;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev) {
ret = -ENOMEM;
return ret;
}
st = iio_priv(indio_dev);
mutex_init(&st->lock);
st->mclk = devm_clk_get(&spi->dev, NULL);
if (IS_ERR(st->mclk)) {
ret = PTR_ERR(st->mclk);
return ret;
}
ret = clk_prepare_enable(st->mclk);
if (ret) {
dev_err(&spi->dev, "Failed to enable master clock\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad9834_disable_clk, st->mclk);
if (ret)
return ret;
st->spi = spi;
st->devid = spi_get_device_id(spi)->driver_data;
indio_dev->name = spi_get_device_id(spi)->name;
switch (st->devid) {
case ID_AD9833:
case ID_AD9837:
indio_dev->info = &ad9833_info;
break;
default:
indio_dev->info = &ad9834_info;
break;
}
indio_dev->modes = INDIO_DIRECT_MODE;
/* Setup default messages */
st->xfer.tx_buf = &st->data;
st->xfer.len = 2;
spi_message_init(&st->msg);
spi_message_add_tail(&st->xfer, &st->msg);
st->freq_xfer[0].tx_buf = &st->freq_data[0];
st->freq_xfer[0].len = 2;
st->freq_xfer[0].cs_change = 1;
st->freq_xfer[1].tx_buf = &st->freq_data[1];
st->freq_xfer[1].len = 2;
spi_message_init(&st->freq_msg);
spi_message_add_tail(&st->freq_xfer[0], &st->freq_msg);
spi_message_add_tail(&st->freq_xfer[1], &st->freq_msg);
st->control = AD9834_B28 | AD9834_RESET;
st->control |= AD9834_DIV2;
if (st->devid == ID_AD9834)
st->control |= AD9834_SIGN_PIB;
st->data = cpu_to_be16(AD9834_REG_CMD | st->control);
ret = spi_sync(st->spi, &st->msg);
if (ret) {
dev_err(&spi->dev, "device init failed\n");
return ret;
}
ret = ad9834_write_frequency(st, AD9834_REG_FREQ0, 1000000);
if (ret)
return ret;
ret = ad9834_write_frequency(st, AD9834_REG_FREQ1, 5000000);
if (ret)
return ret;
ret = ad9834_write_phase(st, AD9834_REG_PHASE0, 512);
if (ret)
return ret;
ret = ad9834_write_phase(st, AD9834_REG_PHASE1, 1024);
if (ret)
return ret;
return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct spi_device_id ad9834_id[] = {
{"ad9833", ID_AD9833},
{"ad9834", ID_AD9834},
{"ad9837", ID_AD9837},
{"ad9838", ID_AD9838},
{}
};
MODULE_DEVICE_TABLE(spi, ad9834_id);
static const struct of_device_id ad9834_of_match[] = {
{.compatible = "adi,ad9833"},
{.compatible = "adi,ad9834"},
{.compatible = "adi,ad9837"},
{.compatible = "adi,ad9838"},
{}
};
MODULE_DEVICE_TABLE(of, ad9834_of_match);
static struct spi_driver ad9834_driver = {
.driver = {
.name = "ad9834",
.of_match_table = ad9834_of_match
},
.probe = ad9834_probe,
.id_table = ad9834_id,
};
module_spi_driver(ad9834_driver);
MODULE_AUTHOR("Michael Hennerich <[email protected]>");
MODULE_DESCRIPTION("Analog Devices AD9833/AD9834/AD9837/AD9838 DDS");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/frequency/ad9834.c |
// SPDX-License-Identifier: GPL-2.0
/*
* AD9832 SPI DDS driver
*
* Copyright 2011 Analog Devices Inc.
*/
#include <asm/div64.h>
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/sysfs.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include "ad9832.h"
#include "dds.h"
/* Registers */
#define AD9832_FREQ0LL 0x0
#define AD9832_FREQ0HL 0x1
#define AD9832_FREQ0LM 0x2
#define AD9832_FREQ0HM 0x3
#define AD9832_FREQ1LL 0x4
#define AD9832_FREQ1HL 0x5
#define AD9832_FREQ1LM 0x6
#define AD9832_FREQ1HM 0x7
#define AD9832_PHASE0L 0x8
#define AD9832_PHASE0H 0x9
#define AD9832_PHASE1L 0xA
#define AD9832_PHASE1H 0xB
#define AD9832_PHASE2L 0xC
#define AD9832_PHASE2H 0xD
#define AD9832_PHASE3L 0xE
#define AD9832_PHASE3H 0xF
#define AD9832_PHASE_SYM 0x10
#define AD9832_FREQ_SYM 0x11
#define AD9832_PINCTRL_EN 0x12
#define AD9832_OUTPUT_EN 0x13
/* Command Control Bits */
#define AD9832_CMD_PHA8BITSW 0x1
#define AD9832_CMD_PHA16BITSW 0x0
#define AD9832_CMD_FRE8BITSW 0x3
#define AD9832_CMD_FRE16BITSW 0x2
#define AD9832_CMD_FPSELECT 0x6
#define AD9832_CMD_SYNCSELSRC 0x8
#define AD9832_CMD_SLEEPRESCLR 0xC
#define AD9832_FREQ BIT(11)
#define AD9832_PHASE(x) (((x) & 3) << 9)
#define AD9832_SYNC BIT(13)
#define AD9832_SELSRC BIT(12)
#define AD9832_SLEEP BIT(13)
#define AD9832_RESET BIT(12)
#define AD9832_CLR BIT(11)
#define CMD_SHIFT 12
#define ADD_SHIFT 8
#define AD9832_FREQ_BITS 32
#define AD9832_PHASE_BITS 12
#define RES_MASK(bits) ((1 << (bits)) - 1)
/**
* struct ad9832_state - driver instance specific data
* @spi: spi_device
* @avdd: supply regulator for the analog section
* @dvdd: supply regulator for the digital section
* @mclk: external master clock
* @ctrl_fp: cached frequency/phase control word
* @ctrl_ss: cached sync/selsrc control word
* @ctrl_src: cached sleep/reset/clr word
* @xfer: default spi transfer
* @msg: default spi message
* @freq_xfer: tuning word spi transfer
* @freq_msg: tuning word spi message
* @phase_xfer: tuning word spi transfer
* @phase_msg: tuning word spi message
* @lock: protect sensor state
* @data: spi transmit buffer
* @phase_data: tuning word spi transmit buffer
* @freq_data: tuning word spi transmit buffer
*/
struct ad9832_state {
struct spi_device *spi;
struct regulator *avdd;
struct regulator *dvdd;
struct clk *mclk;
unsigned short ctrl_fp;
unsigned short ctrl_ss;
unsigned short ctrl_src;
struct spi_transfer xfer;
struct spi_message msg;
struct spi_transfer freq_xfer[4];
struct spi_message freq_msg;
struct spi_transfer phase_xfer[2];
struct spi_message phase_msg;
struct mutex lock; /* protect sensor state */
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
*/
union {
__be16 freq_data[4];
__be16 phase_data[2];
__be16 data;
} __aligned(IIO_DMA_MINALIGN);
};
static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout)
{
unsigned long long freqreg = (u64)fout *
(u64)((u64)1L << AD9832_FREQ_BITS);
do_div(freqreg, mclk);
return freqreg;
}
static int ad9832_write_frequency(struct ad9832_state *st,
unsigned int addr, unsigned long fout)
{
unsigned long regval;
if (fout > (clk_get_rate(st->mclk) / 2))
return -EINVAL;
regval = ad9832_calc_freqreg(clk_get_rate(st->mclk), fout);
st->freq_data[0] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) |
(addr << ADD_SHIFT) |
((regval >> 24) & 0xFF));
st->freq_data[1] = cpu_to_be16((AD9832_CMD_FRE16BITSW << CMD_SHIFT) |
((addr - 1) << ADD_SHIFT) |
((regval >> 16) & 0xFF));
st->freq_data[2] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) |
((addr - 2) << ADD_SHIFT) |
((regval >> 8) & 0xFF));
st->freq_data[3] = cpu_to_be16((AD9832_CMD_FRE16BITSW << CMD_SHIFT) |
((addr - 3) << ADD_SHIFT) |
((regval >> 0) & 0xFF));
return spi_sync(st->spi, &st->freq_msg);
}
static int ad9832_write_phase(struct ad9832_state *st,
unsigned long addr, unsigned long phase)
{
if (phase > BIT(AD9832_PHASE_BITS))
return -EINVAL;
st->phase_data[0] = cpu_to_be16((AD9832_CMD_PHA8BITSW << CMD_SHIFT) |
(addr << ADD_SHIFT) |
((phase >> 8) & 0xFF));
st->phase_data[1] = cpu_to_be16((AD9832_CMD_PHA16BITSW << CMD_SHIFT) |
((addr - 1) << ADD_SHIFT) |
(phase & 0xFF));
return spi_sync(st->spi, &st->phase_msg);
}
static ssize_t ad9832_write(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad9832_state *st = iio_priv(indio_dev);
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
int ret;
unsigned long val;
ret = kstrtoul(buf, 10, &val);
if (ret)
goto error_ret;
mutex_lock(&st->lock);
switch ((u32)this_attr->address) {
case AD9832_FREQ0HM:
case AD9832_FREQ1HM:
ret = ad9832_write_frequency(st, this_attr->address, val);
break;
case AD9832_PHASE0H:
case AD9832_PHASE1H:
case AD9832_PHASE2H:
case AD9832_PHASE3H:
ret = ad9832_write_phase(st, this_attr->address, val);
break;
case AD9832_PINCTRL_EN:
if (val)
st->ctrl_ss &= ~AD9832_SELSRC;
else
st->ctrl_ss |= AD9832_SELSRC;
st->data = cpu_to_be16((AD9832_CMD_SYNCSELSRC << CMD_SHIFT) |
st->ctrl_ss);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9832_FREQ_SYM:
if (val == 1) {
st->ctrl_fp |= AD9832_FREQ;
} else if (val == 0) {
st->ctrl_fp &= ~AD9832_FREQ;
} else {
ret = -EINVAL;
break;
}
st->data = cpu_to_be16((AD9832_CMD_FPSELECT << CMD_SHIFT) |
st->ctrl_fp);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9832_PHASE_SYM:
if (val > 3) {
ret = -EINVAL;
break;
}
st->ctrl_fp &= ~AD9832_PHASE(3);
st->ctrl_fp |= AD9832_PHASE(val);
st->data = cpu_to_be16((AD9832_CMD_FPSELECT << CMD_SHIFT) |
st->ctrl_fp);
ret = spi_sync(st->spi, &st->msg);
break;
case AD9832_OUTPUT_EN:
if (val)
st->ctrl_src &= ~(AD9832_RESET | AD9832_SLEEP |
AD9832_CLR);
else
st->ctrl_src |= AD9832_RESET;
st->data = cpu_to_be16((AD9832_CMD_SLEEPRESCLR << CMD_SHIFT) |
st->ctrl_src);
ret = spi_sync(st->spi, &st->msg);
break;
default:
ret = -ENODEV;
}
mutex_unlock(&st->lock);
error_ret:
return ret ? ret : len;
}
/*
* see dds.h for further information
*/
static IIO_DEV_ATTR_FREQ(0, 0, 0200, NULL, ad9832_write, AD9832_FREQ0HM);
static IIO_DEV_ATTR_FREQ(0, 1, 0200, NULL, ad9832_write, AD9832_FREQ1HM);
static IIO_DEV_ATTR_FREQSYMBOL(0, 0200, NULL, ad9832_write, AD9832_FREQ_SYM);
static IIO_CONST_ATTR_FREQ_SCALE(0, "1"); /* 1Hz */
static IIO_DEV_ATTR_PHASE(0, 0, 0200, NULL, ad9832_write, AD9832_PHASE0H);
static IIO_DEV_ATTR_PHASE(0, 1, 0200, NULL, ad9832_write, AD9832_PHASE1H);
static IIO_DEV_ATTR_PHASE(0, 2, 0200, NULL, ad9832_write, AD9832_PHASE2H);
static IIO_DEV_ATTR_PHASE(0, 3, 0200, NULL, ad9832_write, AD9832_PHASE3H);
static IIO_DEV_ATTR_PHASESYMBOL(0, 0200, NULL,
ad9832_write, AD9832_PHASE_SYM);
static IIO_CONST_ATTR_PHASE_SCALE(0, "0.0015339808"); /* 2PI/2^12 rad*/
static IIO_DEV_ATTR_PINCONTROL_EN(0, 0200, NULL,
ad9832_write, AD9832_PINCTRL_EN);
static IIO_DEV_ATTR_OUT_ENABLE(0, 0200, NULL,
ad9832_write, AD9832_OUTPUT_EN);
static struct attribute *ad9832_attributes[] = {
&iio_dev_attr_out_altvoltage0_frequency0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequency1.dev_attr.attr,
&iio_const_attr_out_altvoltage0_frequency_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase0.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase1.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase2.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phase3.dev_attr.attr,
&iio_const_attr_out_altvoltage0_phase_scale.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_pincontrol_en.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_frequencysymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_phasesymbol.dev_attr.attr,
&iio_dev_attr_out_altvoltage0_out_enable.dev_attr.attr,
NULL,
};
static const struct attribute_group ad9832_attribute_group = {
.attrs = ad9832_attributes,
};
static const struct iio_info ad9832_info = {
.attrs = &ad9832_attribute_group,
};
static void ad9832_reg_disable(void *reg)
{
regulator_disable(reg);
}
static void ad9832_clk_disable(void *clk)
{
clk_disable_unprepare(clk);
}
static int ad9832_probe(struct spi_device *spi)
{
struct ad9832_platform_data *pdata = dev_get_platdata(&spi->dev);
struct iio_dev *indio_dev;
struct ad9832_state *st;
int ret;
if (!pdata) {
dev_dbg(&spi->dev, "no platform data?\n");
return -ENODEV;
}
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
st->avdd = devm_regulator_get(&spi->dev, "avdd");
if (IS_ERR(st->avdd))
return PTR_ERR(st->avdd);
ret = regulator_enable(st->avdd);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad9832_reg_disable, st->avdd);
if (ret)
return ret;
st->dvdd = devm_regulator_get(&spi->dev, "dvdd");
if (IS_ERR(st->dvdd))
return PTR_ERR(st->dvdd);
ret = regulator_enable(st->dvdd);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified DVDD supply\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad9832_reg_disable, st->dvdd);
if (ret)
return ret;
st->mclk = devm_clk_get(&spi->dev, "mclk");
if (IS_ERR(st->mclk))
return PTR_ERR(st->mclk);
ret = clk_prepare_enable(st->mclk);
if (ret < 0)
return ret;
ret = devm_add_action_or_reset(&spi->dev, ad9832_clk_disable, st->mclk);
if (ret)
return ret;
st->spi = spi;
mutex_init(&st->lock);
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->info = &ad9832_info;
indio_dev->modes = INDIO_DIRECT_MODE;
/* Setup default messages */
st->xfer.tx_buf = &st->data;
st->xfer.len = 2;
spi_message_init(&st->msg);
spi_message_add_tail(&st->xfer, &st->msg);
st->freq_xfer[0].tx_buf = &st->freq_data[0];
st->freq_xfer[0].len = 2;
st->freq_xfer[0].cs_change = 1;
st->freq_xfer[1].tx_buf = &st->freq_data[1];
st->freq_xfer[1].len = 2;
st->freq_xfer[1].cs_change = 1;
st->freq_xfer[2].tx_buf = &st->freq_data[2];
st->freq_xfer[2].len = 2;
st->freq_xfer[2].cs_change = 1;
st->freq_xfer[3].tx_buf = &st->freq_data[3];
st->freq_xfer[3].len = 2;
spi_message_init(&st->freq_msg);
spi_message_add_tail(&st->freq_xfer[0], &st->freq_msg);
spi_message_add_tail(&st->freq_xfer[1], &st->freq_msg);
spi_message_add_tail(&st->freq_xfer[2], &st->freq_msg);
spi_message_add_tail(&st->freq_xfer[3], &st->freq_msg);
st->phase_xfer[0].tx_buf = &st->phase_data[0];
st->phase_xfer[0].len = 2;
st->phase_xfer[0].cs_change = 1;
st->phase_xfer[1].tx_buf = &st->phase_data[1];
st->phase_xfer[1].len = 2;
spi_message_init(&st->phase_msg);
spi_message_add_tail(&st->phase_xfer[0], &st->phase_msg);
spi_message_add_tail(&st->phase_xfer[1], &st->phase_msg);
st->ctrl_src = AD9832_SLEEP | AD9832_RESET | AD9832_CLR;
st->data = cpu_to_be16((AD9832_CMD_SLEEPRESCLR << CMD_SHIFT) |
st->ctrl_src);
ret = spi_sync(st->spi, &st->msg);
if (ret) {
dev_err(&spi->dev, "device init failed\n");
return ret;
}
ret = ad9832_write_frequency(st, AD9832_FREQ0HM, pdata->freq0);
if (ret)
return ret;
ret = ad9832_write_frequency(st, AD9832_FREQ1HM, pdata->freq1);
if (ret)
return ret;
ret = ad9832_write_phase(st, AD9832_PHASE0H, pdata->phase0);
if (ret)
return ret;
ret = ad9832_write_phase(st, AD9832_PHASE1H, pdata->phase1);
if (ret)
return ret;
ret = ad9832_write_phase(st, AD9832_PHASE2H, pdata->phase2);
if (ret)
return ret;
ret = ad9832_write_phase(st, AD9832_PHASE3H, pdata->phase3);
if (ret)
return ret;
return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct spi_device_id ad9832_id[] = {
{"ad9832", 0},
{"ad9835", 0},
{}
};
MODULE_DEVICE_TABLE(spi, ad9832_id);
static struct spi_driver ad9832_driver = {
.driver = {
.name = "ad9832",
},
.probe = ad9832_probe,
.id_table = ad9832_id,
};
module_spi_driver(ad9832_driver);
MODULE_AUTHOR("Michael Hennerich <[email protected]>");
MODULE_DESCRIPTION("Analog Devices AD9832/AD9835 DDS");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/frequency/ad9832.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* I2C bus driver for ADT7316/7/8 ADT7516/7/9 digital temperature
* sensor, ADC and DAC
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include "adt7316.h"
/*
* adt7316 register access by I2C
*/
static int adt7316_i2c_read(void *client, u8 reg, u8 *data)
{
struct i2c_client *cl = client;
int ret;
ret = i2c_smbus_write_byte(cl, reg);
if (ret < 0) {
dev_err(&cl->dev, "I2C fail to select reg\n");
return ret;
}
ret = i2c_smbus_read_byte(client);
if (ret < 0) {
dev_err(&cl->dev, "I2C read error\n");
return ret;
}
*data = ret;
return 0;
}
static int adt7316_i2c_write(void *client, u8 reg, u8 data)
{
struct i2c_client *cl = client;
int ret;
ret = i2c_smbus_write_byte_data(cl, reg, data);
if (ret < 0)
dev_err(&cl->dev, "I2C write error\n");
return ret;
}
static int adt7316_i2c_multi_read(void *client, u8 reg, u8 count, u8 *data)
{
struct i2c_client *cl = client;
int i, ret;
if (count > ADT7316_REG_MAX_ADDR)
count = ADT7316_REG_MAX_ADDR;
for (i = 0; i < count; i++) {
ret = adt7316_i2c_read(cl, reg, &data[i]);
if (ret < 0) {
dev_err(&cl->dev, "I2C multi read error\n");
return ret;
}
}
return 0;
}
static int adt7316_i2c_multi_write(void *client, u8 reg, u8 count, u8 *data)
{
struct i2c_client *cl = client;
int i, ret;
if (count > ADT7316_REG_MAX_ADDR)
count = ADT7316_REG_MAX_ADDR;
for (i = 0; i < count; i++) {
ret = adt7316_i2c_write(cl, reg, data[i]);
if (ret < 0) {
dev_err(&cl->dev, "I2C multi write error\n");
return ret;
}
}
return 0;
}
/*
* device probe and remove
*/
static int adt7316_i2c_probe(struct i2c_client *client)
{
const struct i2c_device_id *id = i2c_client_get_device_id(client);
struct adt7316_bus bus = {
.client = client,
.irq = client->irq,
.read = adt7316_i2c_read,
.write = adt7316_i2c_write,
.multi_read = adt7316_i2c_multi_read,
.multi_write = adt7316_i2c_multi_write,
};
return adt7316_probe(&client->dev, &bus, id->name);
}
static const struct i2c_device_id adt7316_i2c_id[] = {
{ "adt7316", 0 },
{ "adt7317", 0 },
{ "adt7318", 0 },
{ "adt7516", 0 },
{ "adt7517", 0 },
{ "adt7519", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adt7316_i2c_id);
static const struct of_device_id adt7316_of_match[] = {
{ .compatible = "adi,adt7316" },
{ .compatible = "adi,adt7317" },
{ .compatible = "adi,adt7318" },
{ .compatible = "adi,adt7516" },
{ .compatible = "adi,adt7517" },
{ .compatible = "adi,adt7519" },
{ },
};
MODULE_DEVICE_TABLE(of, adt7316_of_match);
static struct i2c_driver adt7316_driver = {
.driver = {
.name = "adt7316",
.of_match_table = adt7316_of_match,
.pm = ADT7316_PM_OPS,
},
.probe = adt7316_i2c_probe,
.id_table = adt7316_i2c_id,
};
module_i2c_driver(adt7316_driver);
MODULE_AUTHOR("Sonic Zhang <[email protected]>");
MODULE_DESCRIPTION("I2C bus driver for Analog Devices ADT7316/7/9 and ADT7516/7/8 digital temperature sensor, ADC and DAC");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/addac/adt7316-i2c.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* ADT7316 digital temperature sensor driver supporting ADT7316/7/8 ADT7516/7/9
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/interrupt.h>
#include <linux/gpio/consumer.h>
#include <linux/irq.h>
#include <linux/workqueue.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/list.h>
#include <linux/i2c.h>
#include <linux/rtc.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/events.h>
#include <linux/iio/sysfs.h>
#include "adt7316.h"
/*
* ADT7316 registers definition
*/
#define ADT7316_INT_STAT1 0x0
#define ADT7316_INT_STAT2 0x1
#define ADT7316_LSB_IN_TEMP_VDD 0x3
#define ADT7316_LSB_IN_TEMP_MASK 0x3
#define ADT7316_LSB_VDD_MASK 0xC
#define ADT7316_LSB_VDD_OFFSET 2
#define ADT7316_LSB_EX_TEMP_AIN 0x4
#define ADT7316_LSB_EX_TEMP_MASK 0x3
#define ADT7516_LSB_AIN_SHIFT 2
#define ADT7316_AD_MSB_DATA_BASE 0x6
#define ADT7316_AD_MSB_DATA_REGS 3
#define ADT7516_AD_MSB_DATA_REGS 6
#define ADT7316_MSB_VDD 0x6
#define ADT7316_MSB_IN_TEMP 0x7
#define ADT7316_MSB_EX_TEMP 0x8
#define ADT7516_MSB_AIN1 0x8
#define ADT7516_MSB_AIN2 0x9
#define ADT7516_MSB_AIN3 0xA
#define ADT7516_MSB_AIN4 0xB
#define ADT7316_DA_DATA_BASE 0x10
#define ADT7316_DA_10_BIT_LSB_SHIFT 6
#define ADT7316_DA_12_BIT_LSB_SHIFT 4
#define ADT7316_DA_MSB_DATA_REGS 4
#define ADT7316_LSB_DAC_A 0x10
#define ADT7316_MSB_DAC_A 0x11
#define ADT7316_LSB_DAC_B 0x12
#define ADT7316_MSB_DAC_B 0x13
#define ADT7316_LSB_DAC_C 0x14
#define ADT7316_MSB_DAC_C 0x15
#define ADT7316_LSB_DAC_D 0x16
#define ADT7316_MSB_DAC_D 0x17
#define ADT7316_CONFIG1 0x18
#define ADT7316_CONFIG2 0x19
#define ADT7316_CONFIG3 0x1A
#define ADT7316_DAC_CONFIG 0x1B
#define ADT7316_LDAC_CONFIG 0x1C
#define ADT7316_INT_MASK1 0x1D
#define ADT7316_INT_MASK2 0x1E
#define ADT7316_IN_TEMP_OFFSET 0x1F
#define ADT7316_EX_TEMP_OFFSET 0x20
#define ADT7316_IN_ANALOG_TEMP_OFFSET 0x21
#define ADT7316_EX_ANALOG_TEMP_OFFSET 0x22
#define ADT7316_VDD_HIGH 0x23
#define ADT7316_VDD_LOW 0x24
#define ADT7316_IN_TEMP_HIGH 0x25
#define ADT7316_IN_TEMP_LOW 0x26
#define ADT7316_EX_TEMP_HIGH 0x27
#define ADT7316_EX_TEMP_LOW 0x28
#define ADT7516_AIN2_HIGH 0x2B
#define ADT7516_AIN2_LOW 0x2C
#define ADT7516_AIN3_HIGH 0x2D
#define ADT7516_AIN3_LOW 0x2E
#define ADT7516_AIN4_HIGH 0x2F
#define ADT7516_AIN4_LOW 0x30
#define ADT7316_DEVICE_ID 0x4D
#define ADT7316_MANUFACTURE_ID 0x4E
#define ADT7316_DEVICE_REV 0x4F
#define ADT7316_SPI_LOCK_STAT 0x7F
/*
* ADT7316 config1
*/
#define ADT7316_EN 0x1
#define ADT7516_SEL_EX_TEMP 0x4
#define ADT7516_SEL_AIN1_2_EX_TEMP_MASK 0x6
#define ADT7516_SEL_AIN3 0x8
#define ADT7316_INT_EN 0x20
#define ADT7316_INT_POLARITY 0x40
#define ADT7316_PD 0x80
/*
* ADT7316 config2
*/
#define ADT7316_AD_SINGLE_CH_MASK 0x3
#define ADT7516_AD_SINGLE_CH_MASK 0x7
#define ADT7316_AD_SINGLE_CH_VDD 0
#define ADT7316_AD_SINGLE_CH_IN 1
#define ADT7316_AD_SINGLE_CH_EX 2
#define ADT7516_AD_SINGLE_CH_AIN1 2
#define ADT7516_AD_SINGLE_CH_AIN2 3
#define ADT7516_AD_SINGLE_CH_AIN3 4
#define ADT7516_AD_SINGLE_CH_AIN4 5
#define ADT7316_AD_SINGLE_CH_MODE 0x10
#define ADT7316_DISABLE_AVERAGING 0x20
#define ADT7316_EN_SMBUS_TIMEOUT 0x40
#define ADT7316_RESET 0x80
/*
* ADT7316 config3
*/
#define ADT7316_ADCLK_22_5 0x1
#define ADT7316_DA_HIGH_RESOLUTION 0x2
#define ADT7316_DA_EN_VIA_DAC_LDAC 0x8
#define ADT7516_AIN_IN_VREF 0x10
#define ADT7316_EN_IN_TEMP_PROP_DACA 0x20
#define ADT7316_EN_EX_TEMP_PROP_DACB 0x40
/*
* ADT7316 DAC config
*/
#define ADT7316_DA_2VREF_CH_MASK 0xF
#define ADT7316_DA_EN_MODE_MASK 0x30
#define ADT7316_DA_EN_MODE_SHIFT 4
#define ADT7316_DA_EN_MODE_SINGLE 0x00
#define ADT7316_DA_EN_MODE_AB_CD 0x10
#define ADT7316_DA_EN_MODE_ABCD 0x20
#define ADT7316_DA_EN_MODE_LDAC 0x30
#define ADT7316_VREF_BYPASS_DAC_AB 0x40
#define ADT7316_VREF_BYPASS_DAC_CD 0x80
/*
* ADT7316 LDAC config
*/
#define ADT7316_LDAC_EN_DA_MASK 0xF
#define ADT7316_DAC_IN_VREF 0x10
#define ADT7516_DAC_AB_IN_VREF 0x10
#define ADT7516_DAC_CD_IN_VREF 0x20
#define ADT7516_DAC_IN_VREF_OFFSET 4
#define ADT7516_DAC_IN_VREF_MASK 0x30
/*
* ADT7316 INT_MASK2
*/
#define ADT7316_INT_MASK2_VDD 0x10
/*
* ADT7316 value masks
*/
#define ADT7316_VALUE_MASK 0xfff
#define ADT7316_T_VALUE_SIGN 0x400
#define ADT7316_T_VALUE_FLOAT_OFFSET 2
#define ADT7316_T_VALUE_FLOAT_MASK 0x2
/*
* Chip ID
*/
#define ID_ADT7316 0x1
#define ID_ADT7317 0x2
#define ID_ADT7318 0x3
#define ID_ADT7516 0x11
#define ID_ADT7517 0x12
#define ID_ADT7519 0x14
#define ID_FAMILY_MASK 0xF0
#define ID_ADT73XX 0x0
#define ID_ADT75XX 0x10
/*
* struct adt7316_chip_info - chip specific information
*/
struct adt7316_chip_info {
struct adt7316_bus bus;
struct gpio_desc *ldac_pin;
u16 int_mask; /* 0x2f */
u8 config1;
u8 config2;
u8 config3;
u8 dac_config; /* DAC config */
u8 ldac_config; /* LDAC config */
u8 dac_bits; /* 8, 10, 12 */
u8 id; /* chip id */
};
/*
* Logic interrupt mask for user application to enable
* interrupts.
*/
#define ADT7316_IN_TEMP_HIGH_INT_MASK 0x1
#define ADT7316_IN_TEMP_LOW_INT_MASK 0x2
#define ADT7316_EX_TEMP_HIGH_INT_MASK 0x4
#define ADT7316_EX_TEMP_LOW_INT_MASK 0x8
#define ADT7316_EX_TEMP_FAULT_INT_MASK 0x10
#define ADT7516_AIN1_INT_MASK 0x4
#define ADT7516_AIN2_INT_MASK 0x20
#define ADT7516_AIN3_INT_MASK 0x40
#define ADT7516_AIN4_INT_MASK 0x80
#define ADT7316_VDD_INT_MASK 0x100
#define ADT7316_TEMP_INT_MASK 0x1F
#define ADT7516_AIN_INT_MASK 0xE0
#define ADT7316_TEMP_AIN_INT_MASK \
(ADT7316_TEMP_INT_MASK)
/*
* struct adt7316_chip_info - chip specific information
*/
struct adt7316_limit_regs {
u16 data_high;
u16 data_low;
};
static ssize_t adt7316_show_enabled(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_EN));
}
static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip,
int enable)
{
u8 config1;
int ret;
if (enable)
config1 = chip->config1 | ADT7316_EN;
else
config1 = chip->config1 & ~ADT7316_EN;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
if (ret)
return -EIO;
chip->config1 = config1;
return ret;
}
static ssize_t adt7316_store_enabled(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
int enable;
if (buf[0] == '1')
enable = 1;
else
enable = 0;
if (_adt7316_store_enabled(chip, enable) < 0)
return -EIO;
return len;
}
static IIO_DEVICE_ATTR(enabled, 0644,
adt7316_show_enabled,
adt7316_store_enabled,
0);
static ssize_t adt7316_show_select_ex_temp(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
return -EPERM;
return sprintf(buf, "%d\n", !!(chip->config1 & ADT7516_SEL_EX_TEMP));
}
static ssize_t adt7316_store_select_ex_temp(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config1;
int ret;
if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
return -EPERM;
config1 = chip->config1 & (~ADT7516_SEL_EX_TEMP);
if (buf[0] == '1')
config1 |= ADT7516_SEL_EX_TEMP;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
if (ret)
return -EIO;
chip->config1 = config1;
return len;
}
static IIO_DEVICE_ATTR(select_ex_temp, 0644,
adt7316_show_select_ex_temp,
adt7316_store_select_ex_temp,
0);
static ssize_t adt7316_show_mode(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (chip->config2 & ADT7316_AD_SINGLE_CH_MODE)
return sprintf(buf, "single_channel\n");
return sprintf(buf, "round_robin\n");
}
static ssize_t adt7316_store_mode(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config2;
int ret;
config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MODE);
if (!memcmp(buf, "single_channel", 14))
config2 |= ADT7316_AD_SINGLE_CH_MODE;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
if (ret)
return -EIO;
chip->config2 = config2;
return len;
}
static IIO_DEVICE_ATTR(mode, 0644,
adt7316_show_mode,
adt7316_store_mode,
0);
static ssize_t adt7316_show_all_modes(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "single_channel\nround_robin\n");
}
static IIO_DEVICE_ATTR(all_modes, 0444, adt7316_show_all_modes, NULL, 0);
static ssize_t adt7316_show_ad_channel(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
return -EPERM;
switch (chip->config2 & ADT7516_AD_SINGLE_CH_MASK) {
case ADT7316_AD_SINGLE_CH_VDD:
return sprintf(buf, "0 - VDD\n");
case ADT7316_AD_SINGLE_CH_IN:
return sprintf(buf, "1 - Internal Temperature\n");
case ADT7316_AD_SINGLE_CH_EX:
if (((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) &&
(chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)
return sprintf(buf, "2 - AIN1\n");
return sprintf(buf, "2 - External Temperature\n");
case ADT7516_AD_SINGLE_CH_AIN2:
if ((chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)
return sprintf(buf, "3 - AIN2\n");
return sprintf(buf, "N/A\n");
case ADT7516_AD_SINGLE_CH_AIN3:
if (chip->config1 & ADT7516_SEL_AIN3)
return sprintf(buf, "4 - AIN3\n");
return sprintf(buf, "N/A\n");
case ADT7516_AD_SINGLE_CH_AIN4:
return sprintf(buf, "5 - AIN4\n");
default:
return sprintf(buf, "N/A\n");
}
}
static ssize_t adt7316_store_ad_channel(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config2;
u8 data;
int ret;
if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
return -EPERM;
ret = kstrtou8(buf, 10, &data);
if (ret)
return -EINVAL;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) {
if (data > 5)
return -EINVAL;
config2 = chip->config2 & (~ADT7516_AD_SINGLE_CH_MASK);
} else {
if (data > 2)
return -EINVAL;
config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MASK);
}
config2 |= data;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
if (ret)
return -EIO;
chip->config2 = config2;
return len;
}
static IIO_DEVICE_ATTR(ad_channel, 0644,
adt7316_show_ad_channel,
adt7316_store_ad_channel,
0);
static ssize_t adt7316_show_all_ad_channels(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (!(chip->config2 & ADT7316_AD_SINGLE_CH_MODE))
return -EPERM;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n"
"2 - External Temperature or AIN1\n"
"3 - AIN2\n4 - AIN3\n5 - AIN4\n");
return sprintf(buf, "0 - VDD\n1 - Internal Temperature\n"
"2 - External Temperature\n");
}
static IIO_DEVICE_ATTR(all_ad_channels, 0444,
adt7316_show_all_ad_channels, NULL, 0);
static ssize_t adt7316_show_disable_averaging(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->config2 & ADT7316_DISABLE_AVERAGING));
}
static ssize_t adt7316_store_disable_averaging(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config2;
int ret;
config2 = chip->config2 & (~ADT7316_DISABLE_AVERAGING);
if (buf[0] == '1')
config2 |= ADT7316_DISABLE_AVERAGING;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
if (ret)
return -EIO;
chip->config2 = config2;
return len;
}
static IIO_DEVICE_ATTR(disable_averaging, 0644,
adt7316_show_disable_averaging,
adt7316_store_disable_averaging,
0);
static ssize_t adt7316_show_enable_smbus_timeout(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->config2 & ADT7316_EN_SMBUS_TIMEOUT));
}
static ssize_t adt7316_store_enable_smbus_timeout(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config2;
int ret;
config2 = chip->config2 & (~ADT7316_EN_SMBUS_TIMEOUT);
if (buf[0] == '1')
config2 |= ADT7316_EN_SMBUS_TIMEOUT;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
if (ret)
return -EIO;
chip->config2 = config2;
return len;
}
static IIO_DEVICE_ATTR(enable_smbus_timeout, 0644,
adt7316_show_enable_smbus_timeout,
adt7316_store_enable_smbus_timeout,
0);
static ssize_t adt7316_show_powerdown(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_PD));
}
static ssize_t adt7316_store_powerdown(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config1;
int ret;
config1 = chip->config1 & (~ADT7316_PD);
if (buf[0] == '1')
config1 |= ADT7316_PD;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
if (ret)
return -EIO;
chip->config1 = config1;
return len;
}
static IIO_DEVICE_ATTR(powerdown, 0644,
adt7316_show_powerdown,
adt7316_store_powerdown,
0);
static ssize_t adt7316_show_fast_ad_clock(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n", !!(chip->config3 & ADT7316_ADCLK_22_5));
}
static ssize_t adt7316_store_fast_ad_clock(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config3;
int ret;
config3 = chip->config3 & (~ADT7316_ADCLK_22_5);
if (buf[0] == '1')
config3 |= ADT7316_ADCLK_22_5;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
if (ret)
return -EIO;
chip->config3 = config3;
return len;
}
static IIO_DEVICE_ATTR(fast_ad_clock, 0644,
adt7316_show_fast_ad_clock,
adt7316_store_fast_ad_clock,
0);
static ssize_t adt7316_show_da_high_resolution(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (chip->config3 & ADT7316_DA_HIGH_RESOLUTION) {
if (chip->id != ID_ADT7318 && chip->id != ID_ADT7519)
return sprintf(buf, "1 (10 bits)\n");
}
return sprintf(buf, "0 (8 bits)\n");
}
static ssize_t adt7316_store_da_high_resolution(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config3;
int ret;
if (chip->id == ID_ADT7318 || chip->id == ID_ADT7519)
return -EPERM;
config3 = chip->config3 & (~ADT7316_DA_HIGH_RESOLUTION);
if (buf[0] == '1')
config3 |= ADT7316_DA_HIGH_RESOLUTION;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
if (ret)
return -EIO;
chip->config3 = config3;
return len;
}
static IIO_DEVICE_ATTR(da_high_resolution, 0644,
adt7316_show_da_high_resolution,
adt7316_store_da_high_resolution,
0);
static ssize_t adt7316_show_AIN_internal_Vref(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
return -EPERM;
return sprintf(buf, "%d\n",
!!(chip->config3 & ADT7516_AIN_IN_VREF));
}
static ssize_t adt7316_store_AIN_internal_Vref(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config3;
int ret;
if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
return -EPERM;
if (buf[0] != '1')
config3 = chip->config3 & (~ADT7516_AIN_IN_VREF);
else
config3 = chip->config3 | ADT7516_AIN_IN_VREF;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
if (ret)
return -EIO;
chip->config3 = config3;
return len;
}
static IIO_DEVICE_ATTR(AIN_internal_Vref, 0644,
adt7316_show_AIN_internal_Vref,
adt7316_store_AIN_internal_Vref,
0);
static ssize_t adt7316_show_enable_prop_DACA(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA));
}
static ssize_t adt7316_store_enable_prop_DACA(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config3;
int ret;
config3 = chip->config3 & (~ADT7316_EN_IN_TEMP_PROP_DACA);
if (buf[0] == '1')
config3 |= ADT7316_EN_IN_TEMP_PROP_DACA;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
if (ret)
return -EIO;
chip->config3 = config3;
return len;
}
static IIO_DEVICE_ATTR(enable_proportion_DACA, 0644,
adt7316_show_enable_prop_DACA,
adt7316_store_enable_prop_DACA,
0);
static ssize_t adt7316_show_enable_prop_DACB(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB));
}
static ssize_t adt7316_store_enable_prop_DACB(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config3;
int ret;
config3 = chip->config3 & (~ADT7316_EN_EX_TEMP_PROP_DACB);
if (buf[0] == '1')
config3 |= ADT7316_EN_EX_TEMP_PROP_DACB;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, config3);
if (ret)
return -EIO;
chip->config3 = config3;
return len;
}
static IIO_DEVICE_ATTR(enable_proportion_DACB, 0644,
adt7316_show_enable_prop_DACB,
adt7316_store_enable_prop_DACB,
0);
static ssize_t adt7316_show_DAC_2Vref_ch_mask(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "0x%x\n",
chip->dac_config & ADT7316_DA_2VREF_CH_MASK);
}
static ssize_t adt7316_store_DAC_2Vref_ch_mask(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 dac_config;
u8 data;
int ret;
ret = kstrtou8(buf, 16, &data);
if (ret || data > ADT7316_DA_2VREF_CH_MASK)
return -EINVAL;
dac_config = chip->dac_config & (~ADT7316_DA_2VREF_CH_MASK);
dac_config |= data;
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
if (ret)
return -EIO;
chip->dac_config = dac_config;
return len;
}
static IIO_DEVICE_ATTR(DAC_2Vref_channels_mask, 0644,
adt7316_show_DAC_2Vref_ch_mask,
adt7316_store_DAC_2Vref_ch_mask,
0);
static ssize_t adt7316_show_DAC_update_mode(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDAC))
return sprintf(buf, "manual\n");
switch (chip->dac_config & ADT7316_DA_EN_MODE_MASK) {
case ADT7316_DA_EN_MODE_SINGLE:
return sprintf(buf,
"0 - auto at any MSB DAC writing\n");
case ADT7316_DA_EN_MODE_AB_CD:
return sprintf(buf,
"1 - auto at MSB DAC AB and CD writing\n");
case ADT7316_DA_EN_MODE_ABCD:
return sprintf(buf,
"2 - auto at MSB DAC ABCD writing\n");
default: /* ADT7316_DA_EN_MODE_LDAC */
return sprintf(buf, "3 - manual\n");
}
}
static ssize_t adt7316_store_DAC_update_mode(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 dac_config;
u8 data;
int ret;
if (!(chip->config3 & ADT7316_DA_EN_VIA_DAC_LDAC))
return -EPERM;
ret = kstrtou8(buf, 10, &data);
if (ret || data > (ADT7316_DA_EN_MODE_MASK >> ADT7316_DA_EN_MODE_SHIFT))
return -EINVAL;
dac_config = chip->dac_config & (~ADT7316_DA_EN_MODE_MASK);
dac_config |= data << ADT7316_DA_EN_MODE_SHIFT;
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
if (ret)
return -EIO;
chip->dac_config = dac_config;
return len;
}
static IIO_DEVICE_ATTR(DAC_update_mode, 0644,
adt7316_show_DAC_update_mode,
adt7316_store_DAC_update_mode,
0);
static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDAC)
return sprintf(buf, "0 - auto at any MSB DAC writing\n"
"1 - auto at MSB DAC AB and CD writing\n"
"2 - auto at MSB DAC ABCD writing\n"
"3 - manual\n");
return sprintf(buf, "manual\n");
}
static IIO_DEVICE_ATTR(all_DAC_update_modes, 0444,
adt7316_show_all_DAC_update_modes, NULL, 0);
static ssize_t adt7316_store_update_DAC(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 ldac_config;
u8 data;
int ret;
if (chip->config3 & ADT7316_DA_EN_VIA_DAC_LDAC) {
if ((chip->dac_config & ADT7316_DA_EN_MODE_MASK) !=
ADT7316_DA_EN_MODE_LDAC)
return -EPERM;
ret = kstrtou8(buf, 16, &data);
if (ret || data > ADT7316_LDAC_EN_DA_MASK)
return -EINVAL;
ldac_config = chip->ldac_config & (~ADT7316_LDAC_EN_DA_MASK);
ldac_config |= data;
ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG,
ldac_config);
if (ret)
return -EIO;
} else {
gpiod_set_value(chip->ldac_pin, 0);
gpiod_set_value(chip->ldac_pin, 1);
}
return len;
}
static IIO_DEVICE_ATTR(update_DAC, 0644,
NULL,
adt7316_store_update_DAC,
0);
static ssize_t adt7316_show_DA_AB_Vref_bypass(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_AB));
}
static ssize_t adt7316_store_DA_AB_Vref_bypass(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 dac_config;
int ret;
dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_AB);
if (buf[0] == '1')
dac_config |= ADT7316_VREF_BYPASS_DAC_AB;
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
if (ret)
return -EIO;
chip->dac_config = dac_config;
return len;
}
static IIO_DEVICE_ATTR(DA_AB_Vref_bypass, 0644,
adt7316_show_DA_AB_Vref_bypass,
adt7316_store_DA_AB_Vref_bypass,
0);
static ssize_t adt7316_show_DA_CD_Vref_bypass(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n",
!!(chip->dac_config & ADT7316_VREF_BYPASS_DAC_CD));
}
static ssize_t adt7316_store_DA_CD_Vref_bypass(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 dac_config;
int ret;
dac_config = chip->dac_config & (~ADT7316_VREF_BYPASS_DAC_CD);
if (buf[0] == '1')
dac_config |= ADT7316_VREF_BYPASS_DAC_CD;
ret = chip->bus.write(chip->bus.client, ADT7316_DAC_CONFIG, dac_config);
if (ret)
return -EIO;
chip->dac_config = dac_config;
return len;
}
static IIO_DEVICE_ATTR(DA_CD_Vref_bypass, 0644,
adt7316_show_DA_CD_Vref_bypass,
adt7316_store_DA_CD_Vref_bypass,
0);
static ssize_t adt7316_show_DAC_internal_Vref(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
return sprintf(buf, "0x%x\n",
(chip->ldac_config & ADT7516_DAC_IN_VREF_MASK) >>
ADT7516_DAC_IN_VREF_OFFSET);
return sprintf(buf, "%d\n",
!!(chip->ldac_config & ADT7316_DAC_IN_VREF));
}
static ssize_t adt7316_store_DAC_internal_Vref(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 ldac_config;
u8 data;
int ret;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX) {
ret = kstrtou8(buf, 16, &data);
if (ret || data > 3)
return -EINVAL;
ldac_config = chip->ldac_config & (~ADT7516_DAC_IN_VREF_MASK);
if (data & 0x1)
ldac_config |= ADT7516_DAC_AB_IN_VREF;
if (data & 0x2)
ldac_config |= ADT7516_DAC_CD_IN_VREF;
} else {
ret = kstrtou8(buf, 16, &data);
if (ret)
return -EINVAL;
ldac_config = chip->ldac_config & (~ADT7316_DAC_IN_VREF);
if (data)
ldac_config = chip->ldac_config | ADT7316_DAC_IN_VREF;
}
ret = chip->bus.write(chip->bus.client, ADT7316_LDAC_CONFIG,
ldac_config);
if (ret)
return -EIO;
chip->ldac_config = ldac_config;
return len;
}
static IIO_DEVICE_ATTR(DAC_internal_Vref, 0644,
adt7316_show_DAC_internal_Vref,
adt7316_store_DAC_internal_Vref,
0);
static ssize_t adt7316_show_ad(struct adt7316_chip_info *chip,
int channel, char *buf)
{
u16 data;
u8 msb, lsb;
char sign = ' ';
int ret;
if ((chip->config2 & ADT7316_AD_SINGLE_CH_MODE) &&
channel != (chip->config2 & ADT7516_AD_SINGLE_CH_MASK))
return -EPERM;
switch (channel) {
case ADT7316_AD_SINGLE_CH_IN:
ret = chip->bus.read(chip->bus.client,
ADT7316_LSB_IN_TEMP_VDD, &lsb);
if (ret)
return -EIO;
ret = chip->bus.read(chip->bus.client,
ADT7316_AD_MSB_DATA_BASE + channel, &msb);
if (ret)
return -EIO;
data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
data |= lsb & ADT7316_LSB_IN_TEMP_MASK;
break;
case ADT7316_AD_SINGLE_CH_VDD:
ret = chip->bus.read(chip->bus.client,
ADT7316_LSB_IN_TEMP_VDD, &lsb);
if (ret)
return -EIO;
ret = chip->bus.read(chip->bus.client,
ADT7316_AD_MSB_DATA_BASE + channel, &msb);
if (ret)
return -EIO;
data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
data |= (lsb & ADT7316_LSB_VDD_MASK) >> ADT7316_LSB_VDD_OFFSET;
return sprintf(buf, "%d\n", data);
default: /* ex_temp and ain */
ret = chip->bus.read(chip->bus.client,
ADT7316_LSB_EX_TEMP_AIN, &lsb);
if (ret)
return -EIO;
ret = chip->bus.read(chip->bus.client,
ADT7316_AD_MSB_DATA_BASE + channel, &msb);
if (ret)
return -EIO;
data = msb << ADT7316_T_VALUE_FLOAT_OFFSET;
data |= lsb & (ADT7316_LSB_EX_TEMP_MASK <<
(ADT7516_LSB_AIN_SHIFT * (channel -
(ADT7316_MSB_EX_TEMP - ADT7316_AD_MSB_DATA_BASE))));
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
return sprintf(buf, "%d\n", data);
break;
}
if (data & ADT7316_T_VALUE_SIGN) {
/* convert supplement to positive value */
data = (ADT7316_T_VALUE_SIGN << 1) - data;
sign = '-';
}
return sprintf(buf, "%c%d.%.2d\n", sign,
(data >> ADT7316_T_VALUE_FLOAT_OFFSET),
(data & ADT7316_T_VALUE_FLOAT_MASK) * 25);
}
static ssize_t adt7316_show_VDD(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_VDD, buf);
}
static IIO_DEVICE_ATTR(VDD, 0444, adt7316_show_VDD, NULL, 0);
static ssize_t adt7316_show_in_temp(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_IN, buf);
}
static IIO_DEVICE_ATTR(in_temp, 0444, adt7316_show_in_temp, NULL, 0);
static ssize_t adt7316_show_ex_temp_AIN1(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7316_AD_SINGLE_CH_EX, buf);
}
static IIO_DEVICE_ATTR(ex_temp_AIN1, 0444, adt7316_show_ex_temp_AIN1,
NULL, 0);
static IIO_DEVICE_ATTR(ex_temp, 0444, adt7316_show_ex_temp_AIN1, NULL, 0);
static ssize_t adt7316_show_AIN2(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN2, buf);
}
static IIO_DEVICE_ATTR(AIN2, 0444, adt7316_show_AIN2, NULL, 0);
static ssize_t adt7316_show_AIN3(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN3, buf);
}
static IIO_DEVICE_ATTR(AIN3, 0444, adt7316_show_AIN3, NULL, 0);
static ssize_t adt7316_show_AIN4(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_ad(chip, ADT7516_AD_SINGLE_CH_AIN4, buf);
}
static IIO_DEVICE_ATTR(AIN4, 0444, adt7316_show_AIN4, NULL, 0);
static ssize_t adt7316_show_temp_offset(struct adt7316_chip_info *chip,
int offset_addr, char *buf)
{
int data;
u8 val;
int ret;
ret = chip->bus.read(chip->bus.client, offset_addr, &val);
if (ret)
return -EIO;
data = (int)val;
if (val & 0x80)
data -= 256;
return sprintf(buf, "%d\n", data);
}
static ssize_t adt7316_store_temp_offset(struct adt7316_chip_info *chip,
int offset_addr,
const char *buf,
size_t len)
{
int data;
u8 val;
int ret;
ret = kstrtoint(buf, 10, &data);
if (ret || data > 127 || data < -128)
return -EINVAL;
if (data < 0)
data += 256;
val = (u8)data;
ret = chip->bus.write(chip->bus.client, offset_addr, val);
if (ret)
return -EIO;
return len;
}
static ssize_t adt7316_show_in_temp_offset(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf);
}
static ssize_t adt7316_store_in_temp_offset(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_temp_offset(chip, ADT7316_IN_TEMP_OFFSET, buf,
len);
}
static IIO_DEVICE_ATTR(in_temp_offset, 0644,
adt7316_show_in_temp_offset,
adt7316_store_in_temp_offset, 0);
static ssize_t adt7316_show_ex_temp_offset(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf);
}
static ssize_t adt7316_store_ex_temp_offset(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_temp_offset(chip, ADT7316_EX_TEMP_OFFSET, buf,
len);
}
static IIO_DEVICE_ATTR(ex_temp_offset, 0644,
adt7316_show_ex_temp_offset,
adt7316_store_ex_temp_offset, 0);
static ssize_t adt7316_show_in_analog_temp_offset(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_temp_offset(chip,
ADT7316_IN_ANALOG_TEMP_OFFSET, buf);
}
static ssize_t adt7316_store_in_analog_temp_offset(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_temp_offset(chip,
ADT7316_IN_ANALOG_TEMP_OFFSET, buf, len);
}
static IIO_DEVICE_ATTR(in_analog_temp_offset, 0644,
adt7316_show_in_analog_temp_offset,
adt7316_store_in_analog_temp_offset, 0);
static ssize_t adt7316_show_ex_analog_temp_offset(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_temp_offset(chip,
ADT7316_EX_ANALOG_TEMP_OFFSET, buf);
}
static ssize_t adt7316_store_ex_analog_temp_offset(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_temp_offset(chip,
ADT7316_EX_ANALOG_TEMP_OFFSET, buf, len);
}
static IIO_DEVICE_ATTR(ex_analog_temp_offset, 0644,
adt7316_show_ex_analog_temp_offset,
adt7316_store_ex_analog_temp_offset, 0);
static ssize_t adt7316_show_DAC(struct adt7316_chip_info *chip,
int channel, char *buf)
{
u16 data = 0;
u8 msb, lsb, offset;
int ret;
if (channel >= ADT7316_DA_MSB_DATA_REGS ||
(channel == 0 &&
(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) ||
(channel == 1 &&
(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)))
return -EPERM;
offset = chip->dac_bits - 8;
if (chip->dac_bits > 8) {
ret = chip->bus.read(chip->bus.client,
ADT7316_DA_DATA_BASE + channel * 2, &lsb);
if (ret)
return -EIO;
}
ret = chip->bus.read(chip->bus.client,
ADT7316_DA_DATA_BASE + 1 + channel * 2, &msb);
if (ret)
return -EIO;
if (chip->dac_bits == 12)
data = lsb >> ADT7316_DA_12_BIT_LSB_SHIFT;
else if (chip->dac_bits == 10)
data = lsb >> ADT7316_DA_10_BIT_LSB_SHIFT;
data |= msb << offset;
return sprintf(buf, "%d\n", data);
}
static ssize_t adt7316_store_DAC(struct adt7316_chip_info *chip,
int channel, const char *buf, size_t len)
{
u8 msb, lsb, lsb_reg, offset;
u16 data;
int ret;
if (channel >= ADT7316_DA_MSB_DATA_REGS ||
(channel == 0 &&
(chip->config3 & ADT7316_EN_IN_TEMP_PROP_DACA)) ||
(channel == 1 &&
(chip->config3 & ADT7316_EN_EX_TEMP_PROP_DACB)))
return -EPERM;
offset = chip->dac_bits - 8;
ret = kstrtou16(buf, 10, &data);
if (ret || data >= (1 << chip->dac_bits))
return -EINVAL;
if (chip->dac_bits > 8) {
lsb = data & ((1 << offset) - 1);
if (chip->dac_bits == 12)
lsb_reg = lsb << ADT7316_DA_12_BIT_LSB_SHIFT;
else
lsb_reg = lsb << ADT7316_DA_10_BIT_LSB_SHIFT;
ret = chip->bus.write(chip->bus.client,
ADT7316_DA_DATA_BASE + channel * 2, lsb_reg);
if (ret)
return -EIO;
}
msb = data >> offset;
ret = chip->bus.write(chip->bus.client,
ADT7316_DA_DATA_BASE + 1 + channel * 2, msb);
if (ret)
return -EIO;
return len;
}
static ssize_t adt7316_show_DAC_A(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_DAC(chip, 0, buf);
}
static ssize_t adt7316_store_DAC_A(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_DAC(chip, 0, buf, len);
}
static IIO_DEVICE_ATTR(DAC_A, 0644, adt7316_show_DAC_A,
adt7316_store_DAC_A, 0);
static ssize_t adt7316_show_DAC_B(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_DAC(chip, 1, buf);
}
static ssize_t adt7316_store_DAC_B(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_DAC(chip, 1, buf, len);
}
static IIO_DEVICE_ATTR(DAC_B, 0644, adt7316_show_DAC_B,
adt7316_store_DAC_B, 0);
static ssize_t adt7316_show_DAC_C(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_DAC(chip, 2, buf);
}
static ssize_t adt7316_store_DAC_C(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_DAC(chip, 2, buf, len);
}
static IIO_DEVICE_ATTR(DAC_C, 0644, adt7316_show_DAC_C,
adt7316_store_DAC_C, 0);
static ssize_t adt7316_show_DAC_D(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_show_DAC(chip, 3, buf);
}
static ssize_t adt7316_store_DAC_D(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return adt7316_store_DAC(chip, 3, buf, len);
}
static IIO_DEVICE_ATTR(DAC_D, 0644, adt7316_show_DAC_D,
adt7316_store_DAC_D, 0);
static ssize_t adt7316_show_device_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 id;
int ret;
ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_ID, &id);
if (ret)
return -EIO;
return sprintf(buf, "%d\n", id);
}
static IIO_DEVICE_ATTR(device_id, 0444, adt7316_show_device_id, NULL, 0);
static ssize_t adt7316_show_manufactorer_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 id;
int ret;
ret = chip->bus.read(chip->bus.client, ADT7316_MANUFACTURE_ID, &id);
if (ret)
return -EIO;
return sprintf(buf, "%d\n", id);
}
static IIO_DEVICE_ATTR(manufactorer_id, 0444,
adt7316_show_manufactorer_id, NULL, 0);
static ssize_t adt7316_show_device_rev(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 rev;
int ret;
ret = chip->bus.read(chip->bus.client, ADT7316_DEVICE_REV, &rev);
if (ret)
return -EIO;
return sprintf(buf, "%d\n", rev);
}
static IIO_DEVICE_ATTR(device_rev, 0444, adt7316_show_device_rev, NULL, 0);
static ssize_t adt7316_show_bus_type(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 stat;
int ret;
ret = chip->bus.read(chip->bus.client, ADT7316_SPI_LOCK_STAT, &stat);
if (ret)
return -EIO;
if (stat)
return sprintf(buf, "spi\n");
return sprintf(buf, "i2c\n");
}
static IIO_DEVICE_ATTR(bus_type, 0444, adt7316_show_bus_type, NULL, 0);
static struct attribute *adt7316_attributes[] = {
&iio_dev_attr_all_modes.dev_attr.attr,
&iio_dev_attr_mode.dev_attr.attr,
&iio_dev_attr_enabled.dev_attr.attr,
&iio_dev_attr_ad_channel.dev_attr.attr,
&iio_dev_attr_all_ad_channels.dev_attr.attr,
&iio_dev_attr_disable_averaging.dev_attr.attr,
&iio_dev_attr_enable_smbus_timeout.dev_attr.attr,
&iio_dev_attr_powerdown.dev_attr.attr,
&iio_dev_attr_fast_ad_clock.dev_attr.attr,
&iio_dev_attr_da_high_resolution.dev_attr.attr,
&iio_dev_attr_enable_proportion_DACA.dev_attr.attr,
&iio_dev_attr_enable_proportion_DACB.dev_attr.attr,
&iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr,
&iio_dev_attr_DAC_update_mode.dev_attr.attr,
&iio_dev_attr_all_DAC_update_modes.dev_attr.attr,
&iio_dev_attr_update_DAC.dev_attr.attr,
&iio_dev_attr_DA_AB_Vref_bypass.dev_attr.attr,
&iio_dev_attr_DA_CD_Vref_bypass.dev_attr.attr,
&iio_dev_attr_DAC_internal_Vref.dev_attr.attr,
&iio_dev_attr_VDD.dev_attr.attr,
&iio_dev_attr_in_temp.dev_attr.attr,
&iio_dev_attr_ex_temp.dev_attr.attr,
&iio_dev_attr_in_temp_offset.dev_attr.attr,
&iio_dev_attr_ex_temp_offset.dev_attr.attr,
&iio_dev_attr_in_analog_temp_offset.dev_attr.attr,
&iio_dev_attr_ex_analog_temp_offset.dev_attr.attr,
&iio_dev_attr_DAC_A.dev_attr.attr,
&iio_dev_attr_DAC_B.dev_attr.attr,
&iio_dev_attr_DAC_C.dev_attr.attr,
&iio_dev_attr_DAC_D.dev_attr.attr,
&iio_dev_attr_device_id.dev_attr.attr,
&iio_dev_attr_manufactorer_id.dev_attr.attr,
&iio_dev_attr_device_rev.dev_attr.attr,
&iio_dev_attr_bus_type.dev_attr.attr,
NULL,
};
static const struct attribute_group adt7316_attribute_group = {
.attrs = adt7316_attributes,
};
static struct attribute *adt7516_attributes[] = {
&iio_dev_attr_all_modes.dev_attr.attr,
&iio_dev_attr_mode.dev_attr.attr,
&iio_dev_attr_select_ex_temp.dev_attr.attr,
&iio_dev_attr_enabled.dev_attr.attr,
&iio_dev_attr_ad_channel.dev_attr.attr,
&iio_dev_attr_all_ad_channels.dev_attr.attr,
&iio_dev_attr_disable_averaging.dev_attr.attr,
&iio_dev_attr_enable_smbus_timeout.dev_attr.attr,
&iio_dev_attr_powerdown.dev_attr.attr,
&iio_dev_attr_fast_ad_clock.dev_attr.attr,
&iio_dev_attr_AIN_internal_Vref.dev_attr.attr,
&iio_dev_attr_da_high_resolution.dev_attr.attr,
&iio_dev_attr_enable_proportion_DACA.dev_attr.attr,
&iio_dev_attr_enable_proportion_DACB.dev_attr.attr,
&iio_dev_attr_DAC_2Vref_channels_mask.dev_attr.attr,
&iio_dev_attr_DAC_update_mode.dev_attr.attr,
&iio_dev_attr_all_DAC_update_modes.dev_attr.attr,
&iio_dev_attr_update_DAC.dev_attr.attr,
&iio_dev_attr_DAC_internal_Vref.dev_attr.attr,
&iio_dev_attr_VDD.dev_attr.attr,
&iio_dev_attr_in_temp.dev_attr.attr,
&iio_dev_attr_ex_temp_AIN1.dev_attr.attr,
&iio_dev_attr_AIN2.dev_attr.attr,
&iio_dev_attr_AIN3.dev_attr.attr,
&iio_dev_attr_AIN4.dev_attr.attr,
&iio_dev_attr_in_temp_offset.dev_attr.attr,
&iio_dev_attr_ex_temp_offset.dev_attr.attr,
&iio_dev_attr_in_analog_temp_offset.dev_attr.attr,
&iio_dev_attr_ex_analog_temp_offset.dev_attr.attr,
&iio_dev_attr_DAC_A.dev_attr.attr,
&iio_dev_attr_DAC_B.dev_attr.attr,
&iio_dev_attr_DAC_C.dev_attr.attr,
&iio_dev_attr_DAC_D.dev_attr.attr,
&iio_dev_attr_device_id.dev_attr.attr,
&iio_dev_attr_manufactorer_id.dev_attr.attr,
&iio_dev_attr_device_rev.dev_attr.attr,
&iio_dev_attr_bus_type.dev_attr.attr,
NULL,
};
static const struct attribute_group adt7516_attribute_group = {
.attrs = adt7516_attributes,
};
static irqreturn_t adt7316_event_handler(int irq, void *private)
{
struct iio_dev *indio_dev = private;
struct adt7316_chip_info *chip = iio_priv(indio_dev);
u8 stat1, stat2;
int ret;
s64 time;
ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT1, &stat1);
if (!ret) {
if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
stat1 &= 0x1F;
time = iio_get_time_ns(indio_dev);
if (stat1 & BIT(0))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_RISING),
time);
if (stat1 & BIT(1))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_FALLING),
time);
if (stat1 & BIT(2))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_RISING),
time);
if (stat1 & BIT(3))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_TEMP, 1,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_FALLING),
time);
if (stat1 & BIT(5))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 1,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_EITHER),
time);
if (stat1 & BIT(6))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 2,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_EITHER),
time);
if (stat1 & BIT(7))
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE, 3,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_EITHER),
time);
}
ret = chip->bus.read(chip->bus.client, ADT7316_INT_STAT2, &stat2);
if (!ret) {
if (stat2 & ADT7316_INT_MASK2_VDD)
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_VOLTAGE,
0,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_RISING),
iio_get_time_ns(indio_dev));
}
return IRQ_HANDLED;
}
static int adt7316_setup_irq(struct iio_dev *indio_dev)
{
struct adt7316_chip_info *chip = iio_priv(indio_dev);
int irq_type, ret;
irq_type = irqd_get_trigger_type(irq_get_irq_data(chip->bus.irq));
switch (irq_type) {
case IRQF_TRIGGER_HIGH:
case IRQF_TRIGGER_RISING:
break;
case IRQF_TRIGGER_LOW:
case IRQF_TRIGGER_FALLING:
break;
default:
dev_info(&indio_dev->dev, "mode %d unsupported, using IRQF_TRIGGER_LOW\n",
irq_type);
irq_type = IRQF_TRIGGER_LOW;
break;
}
ret = devm_request_threaded_irq(&indio_dev->dev, chip->bus.irq,
NULL, adt7316_event_handler,
irq_type | IRQF_ONESHOT,
indio_dev->name, indio_dev);
if (ret) {
dev_err(&indio_dev->dev, "failed to request irq %d\n",
chip->bus.irq);
return ret;
}
if (irq_type & IRQF_TRIGGER_HIGH)
chip->config1 |= ADT7316_INT_POLARITY;
return 0;
}
/*
* Show mask of enabled interrupts in Hex.
*/
static ssize_t adt7316_show_int_mask(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "0x%x\n", chip->int_mask);
}
/*
* Set 1 to the mask in Hex to enabled interrupts.
*/
static ssize_t adt7316_set_int_mask(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u16 data;
int ret;
u8 mask;
ret = kstrtou16(buf, 16, &data);
if (ret || data >= ADT7316_VDD_INT_MASK + 1)
return -EINVAL;
if (data & ADT7316_VDD_INT_MASK)
mask = 0; /* enable vdd int */
else
mask = ADT7316_INT_MASK2_VDD; /* disable vdd int */
ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK2, mask);
if (!ret) {
chip->int_mask &= ~ADT7316_VDD_INT_MASK;
chip->int_mask |= data & ADT7316_VDD_INT_MASK;
}
if (data & ADT7316_TEMP_AIN_INT_MASK) {
if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX)
/* mask in reg is opposite, set 1 to disable */
mask = (~data) & ADT7316_TEMP_INT_MASK;
else
/* mask in reg is opposite, set 1 to disable */
mask = (~data) & ADT7316_TEMP_AIN_INT_MASK;
}
ret = chip->bus.write(chip->bus.client, ADT7316_INT_MASK1, mask);
chip->int_mask = mask;
return len;
}
static inline ssize_t adt7316_show_ad_bound(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 val;
int data;
int ret;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX &&
this_attr->address > ADT7316_EX_TEMP_LOW)
return -EPERM;
ret = chip->bus.read(chip->bus.client, this_attr->address, &val);
if (ret)
return -EIO;
data = (int)val;
if (!((chip->id & ID_FAMILY_MASK) == ID_ADT75XX &&
(chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0)) {
if (data & 0x80)
data -= 256;
}
return sprintf(buf, "%d\n", data);
}
static inline ssize_t adt7316_set_ad_bound(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
int data;
u8 val;
int ret;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT73XX &&
this_attr->address > ADT7316_EX_TEMP_LOW)
return -EPERM;
ret = kstrtoint(buf, 10, &data);
if (ret)
return -EINVAL;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX &&
(chip->config1 & ADT7516_SEL_AIN1_2_EX_TEMP_MASK) == 0) {
if (data > 255 || data < 0)
return -EINVAL;
} else {
if (data > 127 || data < -128)
return -EINVAL;
if (data < 0)
data += 256;
}
val = (u8)data;
ret = chip->bus.write(chip->bus.client, this_attr->address, val);
if (ret)
return -EIO;
return len;
}
static ssize_t adt7316_show_int_enabled(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return sprintf(buf, "%d\n", !!(chip->config1 & ADT7316_INT_EN));
}
static ssize_t adt7316_set_int_enabled(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *dev_info = dev_to_iio_dev(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
u8 config1;
int ret;
config1 = chip->config1 & (~ADT7316_INT_EN);
if (buf[0] == '1')
config1 |= ADT7316_INT_EN;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, config1);
if (ret)
return -EIO;
chip->config1 = config1;
return len;
}
static IIO_DEVICE_ATTR(int_mask,
0644,
adt7316_show_int_mask, adt7316_set_int_mask,
0);
static IIO_DEVICE_ATTR(in_temp_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_IN_TEMP_HIGH);
static IIO_DEVICE_ATTR(in_temp_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_IN_TEMP_LOW);
static IIO_DEVICE_ATTR(ex_temp_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_EX_TEMP_HIGH);
static IIO_DEVICE_ATTR(ex_temp_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_EX_TEMP_LOW);
/* NASTY duplication to be fixed */
static IIO_DEVICE_ATTR(ex_temp_ain1_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_EX_TEMP_HIGH);
static IIO_DEVICE_ATTR(ex_temp_ain1_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7316_EX_TEMP_LOW);
static IIO_DEVICE_ATTR(ain2_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN2_HIGH);
static IIO_DEVICE_ATTR(ain2_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN2_LOW);
static IIO_DEVICE_ATTR(ain3_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN3_HIGH);
static IIO_DEVICE_ATTR(ain3_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN3_LOW);
static IIO_DEVICE_ATTR(ain4_high_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN4_HIGH);
static IIO_DEVICE_ATTR(ain4_low_value,
0644,
adt7316_show_ad_bound, adt7316_set_ad_bound,
ADT7516_AIN4_LOW);
static IIO_DEVICE_ATTR(int_enabled,
0644,
adt7316_show_int_enabled,
adt7316_set_int_enabled, 0);
static struct attribute *adt7316_event_attributes[] = {
&iio_dev_attr_int_mask.dev_attr.attr,
&iio_dev_attr_in_temp_high_value.dev_attr.attr,
&iio_dev_attr_in_temp_low_value.dev_attr.attr,
&iio_dev_attr_ex_temp_high_value.dev_attr.attr,
&iio_dev_attr_ex_temp_low_value.dev_attr.attr,
&iio_dev_attr_int_enabled.dev_attr.attr,
NULL,
};
static const struct attribute_group adt7316_event_attribute_group = {
.attrs = adt7316_event_attributes,
.name = "events",
};
static struct attribute *adt7516_event_attributes[] = {
&iio_dev_attr_int_mask.dev_attr.attr,
&iio_dev_attr_in_temp_high_value.dev_attr.attr,
&iio_dev_attr_in_temp_low_value.dev_attr.attr,
&iio_dev_attr_ex_temp_ain1_high_value.dev_attr.attr,
&iio_dev_attr_ex_temp_ain1_low_value.dev_attr.attr,
&iio_dev_attr_ain2_high_value.dev_attr.attr,
&iio_dev_attr_ain2_low_value.dev_attr.attr,
&iio_dev_attr_ain3_high_value.dev_attr.attr,
&iio_dev_attr_ain3_low_value.dev_attr.attr,
&iio_dev_attr_ain4_high_value.dev_attr.attr,
&iio_dev_attr_ain4_low_value.dev_attr.attr,
&iio_dev_attr_int_enabled.dev_attr.attr,
NULL,
};
static const struct attribute_group adt7516_event_attribute_group = {
.attrs = adt7516_event_attributes,
.name = "events",
};
#ifdef CONFIG_PM_SLEEP
static int adt7316_disable(struct device *dev)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return _adt7316_store_enabled(chip, 0);
}
static int adt7316_enable(struct device *dev)
{
struct iio_dev *dev_info = dev_get_drvdata(dev);
struct adt7316_chip_info *chip = iio_priv(dev_info);
return _adt7316_store_enabled(chip, 1);
}
EXPORT_SYMBOL_GPL(adt7316_pm_ops);
SIMPLE_DEV_PM_OPS(adt7316_pm_ops, adt7316_disable, adt7316_enable);
#endif
static const struct iio_info adt7316_info = {
.attrs = &adt7316_attribute_group,
.event_attrs = &adt7316_event_attribute_group,
};
static const struct iio_info adt7516_info = {
.attrs = &adt7516_attribute_group,
.event_attrs = &adt7516_event_attribute_group,
};
/*
* device probe and remove
*/
int adt7316_probe(struct device *dev, struct adt7316_bus *bus,
const char *name)
{
struct adt7316_chip_info *chip;
struct iio_dev *indio_dev;
int ret;
indio_dev = devm_iio_device_alloc(dev, sizeof(*chip));
if (!indio_dev)
return -ENOMEM;
chip = iio_priv(indio_dev);
/* this is only used for device removal purposes */
dev_set_drvdata(dev, indio_dev);
chip->bus = *bus;
if (name[4] == '3')
chip->id = ID_ADT7316 + (name[6] - '6');
else if (name[4] == '5')
chip->id = ID_ADT7516 + (name[6] - '6');
else
return -ENODEV;
if (chip->id == ID_ADT7316 || chip->id == ID_ADT7516)
chip->dac_bits = 12;
else if (chip->id == ID_ADT7317 || chip->id == ID_ADT7517)
chip->dac_bits = 10;
else
chip->dac_bits = 8;
chip->ldac_pin = devm_gpiod_get_optional(dev, "adi,ldac",
GPIOD_OUT_LOW);
if (IS_ERR(chip->ldac_pin)) {
ret = PTR_ERR(chip->ldac_pin);
dev_err(dev, "Failed to request ldac GPIO: %d\n", ret);
return ret;
}
if (!chip->ldac_pin) {
chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDAC;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
chip->config1 |= ADT7516_SEL_AIN3;
}
chip->int_mask = ADT7316_TEMP_INT_MASK | ADT7316_VDD_INT_MASK;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
chip->int_mask |= ADT7516_AIN_INT_MASK;
if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)
indio_dev->info = &adt7516_info;
else
indio_dev->info = &adt7316_info;
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
if (chip->bus.irq > 0) {
ret = adt7316_setup_irq(indio_dev);
if (ret)
return ret;
}
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, chip->config1);
if (ret)
return -EIO;
ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG3, chip->config3);
if (ret)
return -EIO;
ret = devm_iio_device_register(dev, indio_dev);
if (ret)
return ret;
dev_info(dev, "%s temperature sensor, ADC and DAC registered.\n",
indio_dev->name);
return 0;
}
EXPORT_SYMBOL(adt7316_probe);
MODULE_AUTHOR("Sonic Zhang <[email protected]>");
MODULE_DESCRIPTION("Analog Devices ADT7316/7/8 and ADT7516/7/9 digital temperature sensor, ADC and DAC driver");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/addac/adt7316.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* API bus driver for ADT7316/7/8 ADT7516/7/9 digital temperature
* sensor, ADC and DAC
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/spi/spi.h>
#include "adt7316.h"
#define ADT7316_SPI_MAX_FREQ_HZ 5000000
#define ADT7316_SPI_CMD_READ 0x91
#define ADT7316_SPI_CMD_WRITE 0x90
/*
* adt7316 register access by SPI
*/
static int adt7316_spi_multi_read(void *client, u8 reg, u8 count, u8 *data)
{
struct spi_device *spi_dev = client;
u8 cmd[2];
int ret;
if (count > ADT7316_REG_MAX_ADDR)
count = ADT7316_REG_MAX_ADDR;
cmd[0] = ADT7316_SPI_CMD_WRITE;
cmd[1] = reg;
ret = spi_write(spi_dev, cmd, 2);
if (ret < 0) {
dev_err(&spi_dev->dev, "SPI fail to select reg\n");
return ret;
}
cmd[0] = ADT7316_SPI_CMD_READ;
ret = spi_write_then_read(spi_dev, cmd, 1, data, count);
if (ret < 0) {
dev_err(&spi_dev->dev, "SPI read data error\n");
return ret;
}
return 0;
}
static int adt7316_spi_multi_write(void *client, u8 reg, u8 count, u8 *data)
{
struct spi_device *spi_dev = client;
u8 buf[ADT7316_REG_MAX_ADDR + 2];
int i, ret;
if (count > ADT7316_REG_MAX_ADDR)
count = ADT7316_REG_MAX_ADDR;
buf[0] = ADT7316_SPI_CMD_WRITE;
buf[1] = reg;
for (i = 0; i < count; i++)
buf[i + 2] = data[i];
ret = spi_write(spi_dev, buf, count + 2);
if (ret < 0) {
dev_err(&spi_dev->dev, "SPI write error\n");
return ret;
}
return ret;
}
static int adt7316_spi_read(void *client, u8 reg, u8 *data)
{
return adt7316_spi_multi_read(client, reg, 1, data);
}
static int adt7316_spi_write(void *client, u8 reg, u8 val)
{
return adt7316_spi_multi_write(client, reg, 1, &val);
}
/*
* device probe and remove
*/
static int adt7316_spi_probe(struct spi_device *spi_dev)
{
struct adt7316_bus bus = {
.client = spi_dev,
.irq = spi_dev->irq,
.read = adt7316_spi_read,
.write = adt7316_spi_write,
.multi_read = adt7316_spi_multi_read,
.multi_write = adt7316_spi_multi_write,
};
/* don't exceed max specified SPI CLK frequency */
if (spi_dev->max_speed_hz > ADT7316_SPI_MAX_FREQ_HZ) {
dev_err(&spi_dev->dev, "SPI CLK %d Hz?\n",
spi_dev->max_speed_hz);
return -EINVAL;
}
/* switch from default I2C protocol to SPI protocol */
adt7316_spi_write(spi_dev, 0, 0);
adt7316_spi_write(spi_dev, 0, 0);
adt7316_spi_write(spi_dev, 0, 0);
return adt7316_probe(&spi_dev->dev, &bus, spi_dev->modalias);
}
static const struct spi_device_id adt7316_spi_id[] = {
{ "adt7316", 0 },
{ "adt7317", 0 },
{ "adt7318", 0 },
{ "adt7516", 0 },
{ "adt7517", 0 },
{ "adt7519", 0 },
{ }
};
MODULE_DEVICE_TABLE(spi, adt7316_spi_id);
static const struct of_device_id adt7316_of_spi_match[] = {
{ .compatible = "adi,adt7316" },
{ .compatible = "adi,adt7317" },
{ .compatible = "adi,adt7318" },
{ .compatible = "adi,adt7516" },
{ .compatible = "adi,adt7517" },
{ .compatible = "adi,adt7519" },
{ }
};
MODULE_DEVICE_TABLE(of, adt7316_of_spi_match);
static struct spi_driver adt7316_driver = {
.driver = {
.name = "adt7316",
.of_match_table = adt7316_of_spi_match,
.pm = ADT7316_PM_OPS,
},
.probe = adt7316_spi_probe,
.id_table = adt7316_spi_id,
};
module_spi_driver(adt7316_driver);
MODULE_AUTHOR("Sonic Zhang <[email protected]>");
MODULE_DESCRIPTION("SPI bus driver for Analog Devices ADT7316/7/8 and ADT7516/7/9 digital temperature sensor, ADC and DAC");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/addac/adt7316-spi.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* ADIS16240 Programmable Impact Sensor and Recorder driver
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/spi/spi.h>
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/imu/adis.h>
#define ADIS16240_STARTUP_DELAY 220 /* ms */
/* Flash memory write count */
#define ADIS16240_FLASH_CNT 0x00
/* Output, power supply */
#define ADIS16240_SUPPLY_OUT 0x02
/* Output, x-axis accelerometer */
#define ADIS16240_XACCL_OUT 0x04
/* Output, y-axis accelerometer */
#define ADIS16240_YACCL_OUT 0x06
/* Output, z-axis accelerometer */
#define ADIS16240_ZACCL_OUT 0x08
/* Output, auxiliary ADC input */
#define ADIS16240_AUX_ADC 0x0A
/* Output, temperature */
#define ADIS16240_TEMP_OUT 0x0C
/* Output, x-axis acceleration peak */
#define ADIS16240_XPEAK_OUT 0x0E
/* Output, y-axis acceleration peak */
#define ADIS16240_YPEAK_OUT 0x10
/* Output, z-axis acceleration peak */
#define ADIS16240_ZPEAK_OUT 0x12
/* Output, sum-of-squares acceleration peak */
#define ADIS16240_XYZPEAK_OUT 0x14
/* Output, Capture Buffer 1, X and Y acceleration */
#define ADIS16240_CAPT_BUF1 0x16
/* Output, Capture Buffer 2, Z acceleration */
#define ADIS16240_CAPT_BUF2 0x18
/* Diagnostic, error flags */
#define ADIS16240_DIAG_STAT 0x1A
/* Diagnostic, event counter */
#define ADIS16240_EVNT_CNTR 0x1C
/* Diagnostic, check sum value from firmware test */
#define ADIS16240_CHK_SUM 0x1E
/* Calibration, x-axis acceleration offset adjustment */
#define ADIS16240_XACCL_OFF 0x20
/* Calibration, y-axis acceleration offset adjustment */
#define ADIS16240_YACCL_OFF 0x22
/* Calibration, z-axis acceleration offset adjustment */
#define ADIS16240_ZACCL_OFF 0x24
/* Clock, hour and minute */
#define ADIS16240_CLK_TIME 0x2E
/* Clock, month and day */
#define ADIS16240_CLK_DATE 0x30
/* Clock, year */
#define ADIS16240_CLK_YEAR 0x32
/* Wake-up setting, hour and minute */
#define ADIS16240_WAKE_TIME 0x34
/* Wake-up setting, month and day */
#define ADIS16240_WAKE_DATE 0x36
/* Alarm 1 amplitude threshold */
#define ADIS16240_ALM_MAG1 0x38
/* Alarm 2 amplitude threshold */
#define ADIS16240_ALM_MAG2 0x3A
/* Alarm control */
#define ADIS16240_ALM_CTRL 0x3C
/* Capture, external trigger control */
#define ADIS16240_XTRIG_CTRL 0x3E
/* Capture, address pointer */
#define ADIS16240_CAPT_PNTR 0x40
/* Capture, configuration and control */
#define ADIS16240_CAPT_CTRL 0x42
/* General-purpose digital input/output control */
#define ADIS16240_GPIO_CTRL 0x44
/* Miscellaneous control */
#define ADIS16240_MSC_CTRL 0x46
/* Internal sample period (rate) control */
#define ADIS16240_SMPL_PRD 0x48
/* System command */
#define ADIS16240_GLOB_CMD 0x4A
/* MSC_CTRL */
/* Enables sum-of-squares output (XYZPEAK_OUT) */
#define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN BIT(15)
/* Enables peak tracking output (XPEAK_OUT, YPEAK_OUT, and ZPEAK_OUT) */
#define ADIS16240_MSC_CTRL_X_Y_ZPEAK_OUT_EN BIT(14)
/* Self-test enable: 1 = apply electrostatic force, 0 = disabled */
#define ADIS16240_MSC_CTRL_SELF_TEST_EN BIT(8)
/* Data-ready enable: 1 = enabled, 0 = disabled */
#define ADIS16240_MSC_CTRL_DATA_RDY_EN BIT(2)
/* Data-ready polarity: 1 = active high, 0 = active low */
#define ADIS16240_MSC_CTRL_ACTIVE_HIGH BIT(1)
/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
#define ADIS16240_MSC_CTRL_DATA_RDY_DIO2 BIT(0)
/* DIAG_STAT */
/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16240_DIAG_STAT_ALARM2 BIT(9)
/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16240_DIAG_STAT_ALARM1 BIT(8)
/* Capture buffer full: 1 = capture buffer is full */
#define ADIS16240_DIAG_STAT_CPT_BUF_FUL BIT(7)
/* Flash test, checksum flag: 1 = mismatch, 0 = match */
#define ADIS16240_DIAG_STAT_CHKSUM BIT(6)
/* Power-on, self-test flag: 1 = failure, 0 = pass */
#define ADIS16240_DIAG_STAT_PWRON_FAIL_BIT 5
/* Power-on self-test: 1 = in-progress, 0 = complete */
#define ADIS16240_DIAG_STAT_PWRON_BUSY BIT(4)
/* SPI communications failure */
#define ADIS16240_DIAG_STAT_SPI_FAIL_BIT 3
/* Flash update failure */
#define ADIS16240_DIAG_STAT_FLASH_UPT_BIT 2
/* Power supply above 3.625 V */
#define ADIS16240_DIAG_STAT_POWER_HIGH_BIT 1
/* Power supply below 2.225 V */
#define ADIS16240_DIAG_STAT_POWER_LOW_BIT 0
/* GLOB_CMD */
#define ADIS16240_GLOB_CMD_RESUME BIT(8)
#define ADIS16240_GLOB_CMD_SW_RESET BIT(7)
#define ADIS16240_GLOB_CMD_STANDBY BIT(2)
#define ADIS16240_ERROR_ACTIVE BIT(14)
/* At the moment triggers are only used for ring buffer
* filling. This may change!
*/
enum adis16240_scan {
ADIS16240_SCAN_ACC_X,
ADIS16240_SCAN_ACC_Y,
ADIS16240_SCAN_ACC_Z,
ADIS16240_SCAN_SUPPLY,
ADIS16240_SCAN_AUX_ADC,
ADIS16240_SCAN_TEMP,
};
static ssize_t adis16240_spi_read_signed(struct device *dev,
struct device_attribute *attr,
char *buf,
unsigned int bits)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct adis *st = iio_priv(indio_dev);
int ret;
s16 val = 0;
unsigned int shift = 16 - bits;
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
ret = adis_read_reg_16(st,
this_attr->address, (u16 *)&val);
if (ret)
return ret;
if (val & ADIS16240_ERROR_ACTIVE)
adis_check_status(st);
val = (s16)(val << shift) >> shift;
return sprintf(buf, "%d\n", val);
}
static ssize_t adis16240_read_12bit_signed(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return adis16240_spi_read_signed(dev, attr, buf, 12);
}
static IIO_DEVICE_ATTR(in_accel_xyz_squared_peak_raw, 0444,
adis16240_read_12bit_signed, NULL,
ADIS16240_XYZPEAK_OUT);
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("4096");
static const u8 adis16240_addresses[][2] = {
[ADIS16240_SCAN_ACC_X] = { ADIS16240_XACCL_OFF, ADIS16240_XPEAK_OUT },
[ADIS16240_SCAN_ACC_Y] = { ADIS16240_YACCL_OFF, ADIS16240_YPEAK_OUT },
[ADIS16240_SCAN_ACC_Z] = { ADIS16240_ZACCL_OFF, ADIS16240_ZPEAK_OUT },
};
static int adis16240_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2,
long mask)
{
struct adis *st = iio_priv(indio_dev);
int ret;
u8 addr;
s16 val16;
switch (mask) {
case IIO_CHAN_INFO_RAW:
return adis_single_conversion(indio_dev, chan,
ADIS16240_ERROR_ACTIVE, val);
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_VOLTAGE:
if (chan->channel == 0) {
*val = 4;
*val2 = 880000; /* 4.88 mV */
return IIO_VAL_INT_PLUS_MICRO;
}
return -EINVAL;
case IIO_TEMP:
*val = 244; /* 0.244 C */
*val2 = 0;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_ACCEL:
*val = 0;
*val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
return IIO_VAL_INT_PLUS_MICRO;
default:
return -EINVAL;
}
break;
case IIO_CHAN_INFO_PEAK_SCALE:
*val = 0;
*val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_OFFSET:
*val = 25000 / 244 - 0x133; /* 25 C = 0x133 */
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
addr = adis16240_addresses[chan->scan_index][0];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
*val = sign_extend32(val16, 9);
return IIO_VAL_INT;
case IIO_CHAN_INFO_PEAK:
addr = adis16240_addresses[chan->scan_index][1];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
*val = sign_extend32(val16, 9);
return IIO_VAL_INT;
}
return -EINVAL;
}
static int adis16240_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val,
int val2,
long mask)
{
struct adis *st = iio_priv(indio_dev);
u8 addr;
switch (mask) {
case IIO_CHAN_INFO_CALIBBIAS:
addr = adis16240_addresses[chan->scan_index][0];
return adis_write_reg_16(st, addr, val & GENMASK(9, 0));
}
return -EINVAL;
}
static const struct iio_chan_spec adis16240_channels[] = {
ADIS_SUPPLY_CHAN(ADIS16240_SUPPLY_OUT, ADIS16240_SCAN_SUPPLY, 0, 10),
ADIS_AUX_ADC_CHAN(ADIS16240_AUX_ADC, ADIS16240_SCAN_AUX_ADC, 0, 10),
ADIS_ACCEL_CHAN(X, ADIS16240_XACCL_OUT, ADIS16240_SCAN_ACC_X,
BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
0, 10),
ADIS_ACCEL_CHAN(Y, ADIS16240_YACCL_OUT, ADIS16240_SCAN_ACC_Y,
BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
0, 10),
ADIS_ACCEL_CHAN(Z, ADIS16240_ZACCL_OUT, ADIS16240_SCAN_ACC_Z,
BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
0, 10),
ADIS_TEMP_CHAN(ADIS16240_TEMP_OUT, ADIS16240_SCAN_TEMP, 0, 10),
IIO_CHAN_SOFT_TIMESTAMP(6)
};
static struct attribute *adis16240_attributes[] = {
&iio_dev_attr_in_accel_xyz_squared_peak_raw.dev_attr.attr,
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
NULL
};
static const struct attribute_group adis16240_attribute_group = {
.attrs = adis16240_attributes,
};
static const struct iio_info adis16240_info = {
.attrs = &adis16240_attribute_group,
.read_raw = adis16240_read_raw,
.write_raw = adis16240_write_raw,
.update_scan_mode = adis_update_scan_mode,
};
static const char * const adis16240_status_error_msgs[] = {
[ADIS16240_DIAG_STAT_PWRON_FAIL_BIT] = "Power on, self-test failed",
[ADIS16240_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
[ADIS16240_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
[ADIS16240_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
[ADIS16240_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.225V",
};
static const struct adis_timeout adis16240_timeouts = {
.reset_ms = ADIS16240_STARTUP_DELAY,
.sw_reset_ms = ADIS16240_STARTUP_DELAY,
.self_test_ms = ADIS16240_STARTUP_DELAY,
};
static const struct adis_data adis16240_data = {
.write_delay = 35,
.read_delay = 35,
.msc_ctrl_reg = ADIS16240_MSC_CTRL,
.glob_cmd_reg = ADIS16240_GLOB_CMD,
.diag_stat_reg = ADIS16240_DIAG_STAT,
.self_test_mask = ADIS16240_MSC_CTRL_SELF_TEST_EN,
.self_test_reg = ADIS16240_MSC_CTRL,
.self_test_no_autoclear = true,
.timeouts = &adis16240_timeouts,
.status_error_msgs = adis16240_status_error_msgs,
.status_error_mask = BIT(ADIS16240_DIAG_STAT_PWRON_FAIL_BIT) |
BIT(ADIS16240_DIAG_STAT_SPI_FAIL_BIT) |
BIT(ADIS16240_DIAG_STAT_FLASH_UPT_BIT) |
BIT(ADIS16240_DIAG_STAT_POWER_HIGH_BIT) |
BIT(ADIS16240_DIAG_STAT_POWER_LOW_BIT),
};
static int adis16240_probe(struct spi_device *spi)
{
int ret;
struct adis *st;
struct iio_dev *indio_dev;
/* setup the industrialio driver allocated elements */
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
indio_dev->name = spi->dev.driver->name;
indio_dev->info = &adis16240_info;
indio_dev->channels = adis16240_channels;
indio_dev->num_channels = ARRAY_SIZE(adis16240_channels);
indio_dev->modes = INDIO_DIRECT_MODE;
spi->mode = SPI_MODE_3;
ret = spi_setup(spi);
if (ret) {
dev_err(&spi->dev, "spi_setup failed!\n");
return ret;
}
ret = adis_init(st, indio_dev, spi, &adis16240_data);
if (ret)
return ret;
ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
if (ret)
return ret;
/* Get the device into a sane initial state */
ret = __adis_initial_startup(st);
if (ret)
return ret;
return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct of_device_id adis16240_of_match[] = {
{ .compatible = "adi,adis16240" },
{ },
};
MODULE_DEVICE_TABLE(of, adis16240_of_match);
static struct spi_driver adis16240_driver = {
.driver = {
.name = "adis16240",
.of_match_table = adis16240_of_match,
},
.probe = adis16240_probe,
};
module_spi_driver(adis16240_driver);
MODULE_AUTHOR("Barry Song <[email protected]>");
MODULE_DESCRIPTION("Analog Devices Programmable Impact Sensor and Recorder");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("spi:adis16240");
MODULE_IMPORT_NS(IIO_ADISLIB);
| linux-master | drivers/staging/iio/accel/adis16240.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* ADIS16203 Programmable 360 Degrees Inclinometer
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/device.h>
#include <linux/iio/iio.h>
#include <linux/iio/imu/adis.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/spi/spi.h>
#define ADIS16203_STARTUP_DELAY 220 /* ms */
/* Flash memory write count */
#define ADIS16203_FLASH_CNT 0x00
/* Output, power supply */
#define ADIS16203_SUPPLY_OUT 0x02
/* Output, auxiliary ADC input */
#define ADIS16203_AUX_ADC 0x08
/* Output, temperature */
#define ADIS16203_TEMP_OUT 0x0A
/* Output, x-axis inclination */
#define ADIS16203_XINCL_OUT 0x0C
/* Output, y-axis inclination */
#define ADIS16203_YINCL_OUT 0x0E
/* Incline null calibration */
#define ADIS16203_INCL_NULL 0x18
/* Alarm 1 amplitude threshold */
#define ADIS16203_ALM_MAG1 0x20
/* Alarm 2 amplitude threshold */
#define ADIS16203_ALM_MAG2 0x22
/* Alarm 1, sample period */
#define ADIS16203_ALM_SMPL1 0x24
/* Alarm 2, sample period */
#define ADIS16203_ALM_SMPL2 0x26
/* Alarm control */
#define ADIS16203_ALM_CTRL 0x28
/* Auxiliary DAC data */
#define ADIS16203_AUX_DAC 0x30
/* General-purpose digital input/output control */
#define ADIS16203_GPIO_CTRL 0x32
/* Miscellaneous control */
#define ADIS16203_MSC_CTRL 0x34
/* Internal sample period (rate) control */
#define ADIS16203_SMPL_PRD 0x36
/* Operation, filter configuration */
#define ADIS16203_AVG_CNT 0x38
/* Operation, sleep mode control */
#define ADIS16203_SLP_CNT 0x3A
/* Diagnostics, system status register */
#define ADIS16203_DIAG_STAT 0x3C
/* Operation, system command register */
#define ADIS16203_GLOB_CMD 0x3E
/* MSC_CTRL */
/* Self-test at power-on: 1 = disabled, 0 = enabled */
#define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
/* Reverses rotation of both inclination outputs */
#define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9)
/* Self-test enable */
#define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8)
/* Data-ready enable: 1 = enabled, 0 = disabled */
#define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2)
/* Data-ready polarity: 1 = active high, 0 = active low */
#define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1)
/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
#define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
/* DIAG_STAT */
/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16203_DIAG_STAT_ALARM2 BIT(9)
/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
#define ADIS16203_DIAG_STAT_ALARM1 BIT(8)
/* Self-test diagnostic error flag */
#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5
/* SPI communications failure */
#define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3
/* Flash update failure */
#define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2
/* Power supply above 3.625 V */
#define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1
/* Power supply below 2.975 V */
#define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0
/* GLOB_CMD */
#define ADIS16203_GLOB_CMD_SW_RESET BIT(7)
#define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4)
#define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1)
#define ADIS16203_ERROR_ACTIVE BIT(14)
enum adis16203_scan {
ADIS16203_SCAN_INCLI_X,
ADIS16203_SCAN_INCLI_Y,
ADIS16203_SCAN_SUPPLY,
ADIS16203_SCAN_AUX_ADC,
ADIS16203_SCAN_TEMP,
};
#define DRIVER_NAME "adis16203"
static const u8 adis16203_addresses[] = {
[ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL,
};
static int adis16203_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val,
int val2,
long mask)
{
struct adis *st = iio_priv(indio_dev);
/* currently only one writable parameter which keeps this simple */
u8 addr = adis16203_addresses[chan->scan_index];
return adis_write_reg_16(st, addr, val & 0x3FFF);
}
static int adis16203_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2,
long mask)
{
struct adis *st = iio_priv(indio_dev);
int ret;
u8 addr;
s16 val16;
switch (mask) {
case IIO_CHAN_INFO_RAW:
return adis_single_conversion(indio_dev, chan,
ADIS16203_ERROR_ACTIVE, val);
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_VOLTAGE:
if (chan->channel == 0) {
*val = 1;
*val2 = 220000; /* 1.22 mV */
} else {
*val = 0;
*val2 = 610000; /* 0.61 mV */
}
return IIO_VAL_INT_PLUS_MICRO;
case IIO_TEMP:
*val = -470; /* -0.47 C */
*val2 = 0;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_INCLI:
*val = 0;
*val2 = 25000; /* 0.025 degree */
return IIO_VAL_INT_PLUS_MICRO;
default:
return -EINVAL;
}
case IIO_CHAN_INFO_OFFSET:
*val = 25000 / -470 - 1278; /* 25 C = 1278 */
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
addr = adis16203_addresses[chan->scan_index];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
*val = sign_extend32(val16, 13);
return IIO_VAL_INT;
default:
return -EINVAL;
}
}
static const struct iio_chan_spec adis16203_channels[] = {
ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12),
ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12),
ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X,
BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
/* Fixme: Not what it appears to be - see data sheet */
ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y,
0, 0, 14),
ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12),
IIO_CHAN_SOFT_TIMESTAMP(5),
};
static const struct iio_info adis16203_info = {
.read_raw = adis16203_read_raw,
.write_raw = adis16203_write_raw,
.update_scan_mode = adis_update_scan_mode,
};
static const char * const adis16203_status_error_msgs[] = {
[ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
[ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
[ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
[ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
[ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.975V",
};
static const struct adis_timeout adis16203_timeouts = {
.reset_ms = ADIS16203_STARTUP_DELAY,
.sw_reset_ms = ADIS16203_STARTUP_DELAY,
.self_test_ms = ADIS16203_STARTUP_DELAY
};
static const struct adis_data adis16203_data = {
.read_delay = 20,
.msc_ctrl_reg = ADIS16203_MSC_CTRL,
.glob_cmd_reg = ADIS16203_GLOB_CMD,
.diag_stat_reg = ADIS16203_DIAG_STAT,
.self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN,
.self_test_reg = ADIS16203_MSC_CTRL,
.self_test_no_autoclear = true,
.timeouts = &adis16203_timeouts,
.status_error_msgs = adis16203_status_error_msgs,
.status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) |
BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) |
BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) |
BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) |
BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT),
};
static int adis16203_probe(struct spi_device *spi)
{
int ret;
struct iio_dev *indio_dev;
struct adis *st;
/* setup the industrialio driver allocated elements */
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
spi_set_drvdata(spi, indio_dev);
indio_dev->name = spi->dev.driver->name;
indio_dev->channels = adis16203_channels;
indio_dev->num_channels = ARRAY_SIZE(adis16203_channels);
indio_dev->info = &adis16203_info;
indio_dev->modes = INDIO_DIRECT_MODE;
ret = adis_init(st, indio_dev, spi, &adis16203_data);
if (ret)
return ret;
ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
if (ret)
return ret;
/* Get the device into a sane initial state */
ret = __adis_initial_startup(st);
if (ret)
return ret;
return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct of_device_id adis16203_of_match[] = {
{ .compatible = "adi,adis16203" },
{ },
};
MODULE_DEVICE_TABLE(of, adis16203_of_match);
static struct spi_driver adis16203_driver = {
.driver = {
.name = "adis16203",
.of_match_table = adis16203_of_match,
},
.probe = adis16203_probe,
};
module_spi_driver(adis16203_driver);
MODULE_AUTHOR("Barry Song <[email protected]>");
MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("spi:adis16203");
MODULE_IMPORT_NS(IIO_ADISLIB);
| linux-master | drivers/staging/iio/accel/adis16203.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* AD7816 digital temperature sensor driver supporting AD7816/7/8
*
* Copyright 2010 Analog Devices Inc.
*/
#include <linux/interrupt.h>
#include <linux/gpio/consumer.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/list.h>
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/events.h>
/*
* AD7816 config masks
*/
#define AD7816_FULL 0x1
#define AD7816_PD 0x2
#define AD7816_CS_MASK 0x7
#define AD7816_CS_MAX 0x4
/*
* AD7816 temperature masks
*/
#define AD7816_VALUE_OFFSET 6
#define AD7816_BOUND_VALUE_BASE 0x8
#define AD7816_BOUND_VALUE_MIN -95
#define AD7816_BOUND_VALUE_MAX 152
#define AD7816_TEMP_FLOAT_OFFSET 2
#define AD7816_TEMP_FLOAT_MASK 0x3
/*
* struct ad7816_chip_info - chip specific information
*/
struct ad7816_chip_info {
kernel_ulong_t id;
struct spi_device *spi_dev;
struct gpio_desc *rdwr_pin;
struct gpio_desc *convert_pin;
struct gpio_desc *busy_pin;
u8 oti_data[AD7816_CS_MAX + 1];
u8 channel_id; /* 0 always be temperature */
u8 mode;
};
enum ad7816_type {
ID_AD7816,
ID_AD7817,
ID_AD7818,
};
/*
* ad7816 data access by SPI
*/
static int ad7816_spi_read(struct ad7816_chip_info *chip, u16 *data)
{
struct spi_device *spi_dev = chip->spi_dev;
int ret;
__be16 buf;
gpiod_set_value(chip->rdwr_pin, 1);
gpiod_set_value(chip->rdwr_pin, 0);
ret = spi_write(spi_dev, &chip->channel_id, sizeof(chip->channel_id));
if (ret < 0) {
dev_err(&spi_dev->dev, "SPI channel setting error\n");
return ret;
}
gpiod_set_value(chip->rdwr_pin, 1);
if (chip->mode == AD7816_PD) { /* operating mode 2 */
gpiod_set_value(chip->convert_pin, 1);
gpiod_set_value(chip->convert_pin, 0);
} else { /* operating mode 1 */
gpiod_set_value(chip->convert_pin, 0);
gpiod_set_value(chip->convert_pin, 1);
}
if (chip->id == ID_AD7816 || chip->id == ID_AD7817) {
while (gpiod_get_value(chip->busy_pin))
cpu_relax();
}
gpiod_set_value(chip->rdwr_pin, 0);
gpiod_set_value(chip->rdwr_pin, 1);
ret = spi_read(spi_dev, &buf, sizeof(*data));
if (ret < 0) {
dev_err(&spi_dev->dev, "SPI data read error\n");
return ret;
}
*data = be16_to_cpu(buf);
return ret;
}
static int ad7816_spi_write(struct ad7816_chip_info *chip, u8 data)
{
struct spi_device *spi_dev = chip->spi_dev;
int ret;
gpiod_set_value(chip->rdwr_pin, 1);
gpiod_set_value(chip->rdwr_pin, 0);
ret = spi_write(spi_dev, &data, sizeof(data));
if (ret < 0)
dev_err(&spi_dev->dev, "SPI oti data write error\n");
return ret;
}
static ssize_t ad7816_show_mode(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
if (chip->mode)
return sprintf(buf, "power-save\n");
return sprintf(buf, "full\n");
}
static ssize_t ad7816_store_mode(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
if (strcmp(buf, "full")) {
gpiod_set_value(chip->rdwr_pin, 1);
chip->mode = AD7816_FULL;
} else {
gpiod_set_value(chip->rdwr_pin, 0);
chip->mode = AD7816_PD;
}
return len;
}
static IIO_DEVICE_ATTR(mode, 0644,
ad7816_show_mode,
ad7816_store_mode,
0);
static ssize_t ad7816_show_available_modes(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "full\npower-save\n");
}
static IIO_DEVICE_ATTR(available_modes, 0444, ad7816_show_available_modes,
NULL, 0);
static ssize_t ad7816_show_channel(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
return sprintf(buf, "%d\n", chip->channel_id);
}
static ssize_t ad7816_store_channel(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
unsigned long data;
int ret;
ret = kstrtoul(buf, 10, &data);
if (ret)
return ret;
if (data > AD7816_CS_MAX && data != AD7816_CS_MASK) {
dev_err(&chip->spi_dev->dev, "Invalid channel id %lu for %s.\n",
data, indio_dev->name);
return -EINVAL;
} else if (strcmp(indio_dev->name, "ad7818") == 0 && data > 1) {
dev_err(&chip->spi_dev->dev,
"Invalid channel id %lu for ad7818.\n", data);
return -EINVAL;
} else if (strcmp(indio_dev->name, "ad7816") == 0 && data > 0) {
dev_err(&chip->spi_dev->dev,
"Invalid channel id %lu for ad7816.\n", data);
return -EINVAL;
}
chip->channel_id = data;
return len;
}
static IIO_DEVICE_ATTR(channel, 0644,
ad7816_show_channel,
ad7816_store_channel,
0);
static ssize_t ad7816_show_value(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
u16 data;
s8 value;
int ret;
ret = ad7816_spi_read(chip, &data);
if (ret)
return -EIO;
data >>= AD7816_VALUE_OFFSET;
if (chip->channel_id == 0) {
value = (s8)((data >> AD7816_TEMP_FLOAT_OFFSET) - 103);
data &= AD7816_TEMP_FLOAT_MASK;
if (value < 0)
data = BIT(AD7816_TEMP_FLOAT_OFFSET) - data;
return sprintf(buf, "%d.%.2d\n", value, data * 25);
}
return sprintf(buf, "%u\n", data);
}
static IIO_DEVICE_ATTR(value, 0444, ad7816_show_value, NULL, 0);
static struct attribute *ad7816_attributes[] = {
&iio_dev_attr_available_modes.dev_attr.attr,
&iio_dev_attr_mode.dev_attr.attr,
&iio_dev_attr_channel.dev_attr.attr,
&iio_dev_attr_value.dev_attr.attr,
NULL,
};
static const struct attribute_group ad7816_attribute_group = {
.attrs = ad7816_attributes,
};
/*
* temperature bound events
*/
#define IIO_EVENT_CODE_AD7816_OTI IIO_UNMOD_EVENT_CODE(IIO_TEMP, \
0, \
IIO_EV_TYPE_THRESH, \
IIO_EV_DIR_FALLING)
static irqreturn_t ad7816_event_handler(int irq, void *private)
{
iio_push_event(private, IIO_EVENT_CODE_AD7816_OTI,
iio_get_time_ns(private));
return IRQ_HANDLED;
}
static ssize_t ad7816_show_oti(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
int value;
if (chip->channel_id > AD7816_CS_MAX) {
dev_err(dev, "Invalid oti channel id %d.\n", chip->channel_id);
return -EINVAL;
} else if (chip->channel_id == 0) {
value = AD7816_BOUND_VALUE_MIN +
(chip->oti_data[chip->channel_id] -
AD7816_BOUND_VALUE_BASE);
return sprintf(buf, "%d\n", value);
}
return sprintf(buf, "%u\n", chip->oti_data[chip->channel_id]);
}
static inline ssize_t ad7816_set_oti(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
long value;
u8 data;
int ret;
ret = kstrtol(buf, 10, &value);
if (ret)
return ret;
if (chip->channel_id > AD7816_CS_MAX) {
dev_err(dev, "Invalid oti channel id %d.\n", chip->channel_id);
return -EINVAL;
} else if (chip->channel_id == 0) {
if (value < AD7816_BOUND_VALUE_MIN ||
value > AD7816_BOUND_VALUE_MAX)
return -EINVAL;
data = (u8)(value - AD7816_BOUND_VALUE_MIN +
AD7816_BOUND_VALUE_BASE);
} else {
if (value < AD7816_BOUND_VALUE_BASE || value > 255)
return -EINVAL;
data = (u8)value;
}
ret = ad7816_spi_write(chip, data);
if (ret)
return -EIO;
chip->oti_data[chip->channel_id] = data;
return len;
}
static IIO_DEVICE_ATTR(oti, 0644,
ad7816_show_oti, ad7816_set_oti, 0);
static struct attribute *ad7816_event_attributes[] = {
&iio_dev_attr_oti.dev_attr.attr,
NULL,
};
static const struct attribute_group ad7816_event_attribute_group = {
.attrs = ad7816_event_attributes,
.name = "events",
};
static const struct iio_info ad7816_info = {
.attrs = &ad7816_attribute_group,
.event_attrs = &ad7816_event_attribute_group,
};
/*
* device probe and remove
*/
static int ad7816_probe(struct spi_device *spi_dev)
{
struct ad7816_chip_info *chip;
struct iio_dev *indio_dev;
int i, ret;
indio_dev = devm_iio_device_alloc(&spi_dev->dev, sizeof(*chip));
if (!indio_dev)
return -ENOMEM;
chip = iio_priv(indio_dev);
/* this is only used for device removal purposes */
dev_set_drvdata(&spi_dev->dev, indio_dev);
chip->spi_dev = spi_dev;
for (i = 0; i <= AD7816_CS_MAX; i++)
chip->oti_data[i] = 203;
chip->id = spi_get_device_id(spi_dev)->driver_data;
chip->rdwr_pin = devm_gpiod_get(&spi_dev->dev, "rdwr", GPIOD_OUT_HIGH);
if (IS_ERR(chip->rdwr_pin)) {
ret = PTR_ERR(chip->rdwr_pin);
dev_err(&spi_dev->dev, "Failed to request rdwr GPIO: %d\n",
ret);
return ret;
}
chip->convert_pin = devm_gpiod_get(&spi_dev->dev, "convert",
GPIOD_OUT_HIGH);
if (IS_ERR(chip->convert_pin)) {
ret = PTR_ERR(chip->convert_pin);
dev_err(&spi_dev->dev, "Failed to request convert GPIO: %d\n",
ret);
return ret;
}
if (chip->id == ID_AD7816 || chip->id == ID_AD7817) {
chip->busy_pin = devm_gpiod_get(&spi_dev->dev, "busy",
GPIOD_IN);
if (IS_ERR(chip->busy_pin)) {
ret = PTR_ERR(chip->busy_pin);
dev_err(&spi_dev->dev, "Failed to request busy GPIO: %d\n",
ret);
return ret;
}
}
indio_dev->name = spi_get_device_id(spi_dev)->name;
indio_dev->info = &ad7816_info;
indio_dev->modes = INDIO_DIRECT_MODE;
if (spi_dev->irq) {
/* Only low trigger is supported in ad7816/7/8 */
ret = devm_request_threaded_irq(&spi_dev->dev, spi_dev->irq,
NULL,
&ad7816_event_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
indio_dev->name,
indio_dev);
if (ret)
return ret;
}
ret = devm_iio_device_register(&spi_dev->dev, indio_dev);
if (ret)
return ret;
dev_info(&spi_dev->dev, "%s temperature sensor and ADC registered.\n",
indio_dev->name);
return 0;
}
static const struct of_device_id ad7816_of_match[] = {
{ .compatible = "adi,ad7816", },
{ .compatible = "adi,ad7817", },
{ .compatible = "adi,ad7818", },
{ }
};
MODULE_DEVICE_TABLE(of, ad7816_of_match);
static const struct spi_device_id ad7816_id[] = {
{ "ad7816", ID_AD7816 },
{ "ad7817", ID_AD7817 },
{ "ad7818", ID_AD7818 },
{}
};
MODULE_DEVICE_TABLE(spi, ad7816_id);
static struct spi_driver ad7816_driver = {
.driver = {
.name = "ad7816",
.of_match_table = ad7816_of_match,
},
.probe = ad7816_probe,
.id_table = ad7816_id,
};
module_spi_driver(ad7816_driver);
MODULE_AUTHOR("Sonic Zhang <[email protected]>");
MODULE_DESCRIPTION("Analog Devices AD7816/7/8 digital temperature sensor driver");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/adc/ad7816.c |
// SPDX-License-Identifier: GPL-2.0
/*
* ad2s1210.c support for the ADI Resolver to Digital Converters: AD2S1210
*
* Copyright (c) 2010-2010 Analog Devices Inc.
*/
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/of.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#define DRV_NAME "ad2s1210"
#define AD2S1210_DEF_CONTROL 0x7E
#define AD2S1210_MSB_IS_HIGH 0x80
#define AD2S1210_MSB_IS_LOW 0x7F
#define AD2S1210_PHASE_LOCK_RANGE_44 0x20
#define AD2S1210_ENABLE_HYSTERESIS 0x10
#define AD2S1210_SET_ENRES1 0x08
#define AD2S1210_SET_ENRES0 0x04
#define AD2S1210_SET_RES1 0x02
#define AD2S1210_SET_RES0 0x01
#define AD2S1210_SET_RESOLUTION (AD2S1210_SET_RES1 | AD2S1210_SET_RES0)
#define AD2S1210_REG_POSITION 0x80
#define AD2S1210_REG_VELOCITY 0x82
#define AD2S1210_REG_LOS_THRD 0x88
#define AD2S1210_REG_DOS_OVR_THRD 0x89
#define AD2S1210_REG_DOS_MIS_THRD 0x8A
#define AD2S1210_REG_DOS_RST_MAX_THRD 0x8B
#define AD2S1210_REG_DOS_RST_MIN_THRD 0x8C
#define AD2S1210_REG_LOT_HIGH_THRD 0x8D
#define AD2S1210_REG_LOT_LOW_THRD 0x8E
#define AD2S1210_REG_EXCIT_FREQ 0x91
#define AD2S1210_REG_CONTROL 0x92
#define AD2S1210_REG_SOFT_RESET 0xF0
#define AD2S1210_REG_FAULT 0xFF
#define AD2S1210_MIN_CLKIN 6144000
#define AD2S1210_MAX_CLKIN 10240000
#define AD2S1210_MIN_EXCIT 2000
#define AD2S1210_MAX_EXCIT 20000
#define AD2S1210_MIN_FCW 0x4
#define AD2S1210_MAX_FCW 0x50
#define AD2S1210_DEF_EXCIT 10000
enum ad2s1210_mode {
MOD_POS = 0,
MOD_VEL,
MOD_CONFIG,
MOD_RESERVED,
};
enum ad2s1210_gpios {
AD2S1210_SAMPLE,
AD2S1210_A0,
AD2S1210_A1,
AD2S1210_RES0,
AD2S1210_RES1,
};
struct ad2s1210_gpio {
const char *name;
unsigned long flags;
};
static const struct ad2s1210_gpio gpios[] = {
[AD2S1210_SAMPLE] = { .name = "adi,sample", .flags = GPIOD_OUT_LOW },
[AD2S1210_A0] = { .name = "adi,a0", .flags = GPIOD_OUT_LOW },
[AD2S1210_A1] = { .name = "adi,a1", .flags = GPIOD_OUT_LOW },
[AD2S1210_RES0] = { .name = "adi,res0", .flags = GPIOD_OUT_LOW },
[AD2S1210_RES1] = { .name = "adi,res1", .flags = GPIOD_OUT_LOW },
};
static const unsigned int ad2s1210_resolution_value[] = { 10, 12, 14, 16 };
struct ad2s1210_state {
struct mutex lock;
struct spi_device *sdev;
struct gpio_desc *gpios[5];
unsigned int fclkin;
unsigned int fexcit;
bool hysteresis;
u8 resolution;
enum ad2s1210_mode mode;
u8 rx[2] __aligned(IIO_DMA_MINALIGN);
u8 tx[2];
};
static const int ad2s1210_mode_vals[4][2] = {
[MOD_POS] = { 0, 0 },
[MOD_VEL] = { 0, 1 },
[MOD_CONFIG] = { 1, 1 },
};
static inline void ad2s1210_set_mode(enum ad2s1210_mode mode,
struct ad2s1210_state *st)
{
gpiod_set_value(st->gpios[AD2S1210_A0], ad2s1210_mode_vals[mode][0]);
gpiod_set_value(st->gpios[AD2S1210_A1], ad2s1210_mode_vals[mode][1]);
st->mode = mode;
}
/* write 1 bytes (address or data) to the chip */
static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data)
{
int ret;
ad2s1210_set_mode(MOD_CONFIG, st);
st->tx[0] = data;
ret = spi_write(st->sdev, st->tx, 1);
if (ret < 0)
return ret;
return 0;
}
/* read value from one of the registers */
static int ad2s1210_config_read(struct ad2s1210_state *st,
unsigned char address)
{
struct spi_transfer xfers[] = {
{
.len = 1,
.rx_buf = &st->rx[0],
.tx_buf = &st->tx[0],
.cs_change = 1,
}, {
.len = 1,
.rx_buf = &st->rx[1],
.tx_buf = &st->tx[1],
},
};
int ret = 0;
ad2s1210_set_mode(MOD_CONFIG, st);
st->tx[0] = address | AD2S1210_MSB_IS_HIGH;
st->tx[1] = AD2S1210_REG_FAULT;
ret = spi_sync_transfer(st->sdev, xfers, 2);
if (ret < 0)
return ret;
return st->rx[1];
}
static inline
int ad2s1210_update_frequency_control_word(struct ad2s1210_state *st)
{
int ret;
unsigned char fcw;
fcw = (unsigned char)(st->fexcit * (1 << 15) / st->fclkin);
if (fcw < AD2S1210_MIN_FCW || fcw > AD2S1210_MAX_FCW) {
dev_err(&st->sdev->dev, "ad2s1210: FCW out of range\n");
return -ERANGE;
}
ret = ad2s1210_config_write(st, AD2S1210_REG_EXCIT_FREQ);
if (ret < 0)
return ret;
return ad2s1210_config_write(st, fcw);
}
static const int ad2s1210_res_pins[4][2] = {
{ 0, 0 }, {0, 1}, {1, 0}, {1, 1}
};
static inline void ad2s1210_set_resolution_pin(struct ad2s1210_state *st)
{
gpiod_set_value(st->gpios[AD2S1210_RES0],
ad2s1210_res_pins[(st->resolution - 10) / 2][0]);
gpiod_set_value(st->gpios[AD2S1210_RES1],
ad2s1210_res_pins[(st->resolution - 10) / 2][1]);
}
static inline int ad2s1210_soft_reset(struct ad2s1210_state *st)
{
int ret;
ret = ad2s1210_config_write(st, AD2S1210_REG_SOFT_RESET);
if (ret < 0)
return ret;
return ad2s1210_config_write(st, 0x0);
}
static ssize_t ad2s1210_show_fclkin(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
return sprintf(buf, "%u\n", st->fclkin);
}
static ssize_t ad2s1210_store_fclkin(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned int fclkin;
int ret;
ret = kstrtouint(buf, 10, &fclkin);
if (ret)
return ret;
if (fclkin < AD2S1210_MIN_CLKIN || fclkin > AD2S1210_MAX_CLKIN) {
dev_err(dev, "ad2s1210: fclkin out of range\n");
return -EINVAL;
}
mutex_lock(&st->lock);
st->fclkin = fclkin;
ret = ad2s1210_update_frequency_control_word(st);
if (ret < 0)
goto error_ret;
ret = ad2s1210_soft_reset(st);
error_ret:
mutex_unlock(&st->lock);
return ret < 0 ? ret : len;
}
static ssize_t ad2s1210_show_fexcit(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
return sprintf(buf, "%u\n", st->fexcit);
}
static ssize_t ad2s1210_store_fexcit(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned int fexcit;
int ret;
ret = kstrtouint(buf, 10, &fexcit);
if (ret < 0)
return ret;
if (fexcit < AD2S1210_MIN_EXCIT || fexcit > AD2S1210_MAX_EXCIT) {
dev_err(dev,
"ad2s1210: excitation frequency out of range\n");
return -EINVAL;
}
mutex_lock(&st->lock);
st->fexcit = fexcit;
ret = ad2s1210_update_frequency_control_word(st);
if (ret < 0)
goto error_ret;
ret = ad2s1210_soft_reset(st);
error_ret:
mutex_unlock(&st->lock);
return ret < 0 ? ret : len;
}
static ssize_t ad2s1210_show_control(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
int ret;
mutex_lock(&st->lock);
ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);
mutex_unlock(&st->lock);
return ret < 0 ? ret : sprintf(buf, "0x%x\n", ret);
}
static ssize_t ad2s1210_store_control(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned char udata;
unsigned char data;
int ret;
ret = kstrtou8(buf, 16, &udata);
if (ret)
return -EINVAL;
mutex_lock(&st->lock);
ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
data = udata & AD2S1210_MSB_IS_LOW;
ret = ad2s1210_config_write(st, data);
if (ret < 0)
goto error_ret;
ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
if (ret & AD2S1210_MSB_IS_HIGH) {
ret = -EIO;
dev_err(dev,
"ad2s1210: write control register fail\n");
goto error_ret;
}
st->resolution =
ad2s1210_resolution_value[data & AD2S1210_SET_RESOLUTION];
ad2s1210_set_resolution_pin(st);
ret = len;
st->hysteresis = !!(data & AD2S1210_ENABLE_HYSTERESIS);
error_ret:
mutex_unlock(&st->lock);
return ret;
}
static ssize_t ad2s1210_show_resolution(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
return sprintf(buf, "%d\n", st->resolution);
}
static ssize_t ad2s1210_store_resolution(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned char data;
unsigned char udata;
int ret;
ret = kstrtou8(buf, 10, &udata);
if (ret || udata < 10 || udata > 16) {
dev_err(dev, "ad2s1210: resolution out of range\n");
return -EINVAL;
}
mutex_lock(&st->lock);
ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
data = ret;
data &= ~AD2S1210_SET_RESOLUTION;
data |= (udata - 10) >> 1;
ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW);
if (ret < 0)
goto error_ret;
ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
data = ret;
if (data & AD2S1210_MSB_IS_HIGH) {
ret = -EIO;
dev_err(dev, "ad2s1210: setting resolution fail\n");
goto error_ret;
}
st->resolution =
ad2s1210_resolution_value[data & AD2S1210_SET_RESOLUTION];
ad2s1210_set_resolution_pin(st);
ret = len;
error_ret:
mutex_unlock(&st->lock);
return ret;
}
/* read the fault register since last sample */
static ssize_t ad2s1210_show_fault(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
int ret;
mutex_lock(&st->lock);
ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT);
mutex_unlock(&st->lock);
return ret ? ret : sprintf(buf, "0x%x\n", ret);
}
static ssize_t ad2s1210_clear_fault(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
int ret;
mutex_lock(&st->lock);
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0);
/* delay (2 * tck + 20) nano seconds */
udelay(1);
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1);
ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT);
if (ret < 0)
goto error_ret;
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0);
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1);
error_ret:
mutex_unlock(&st->lock);
return ret < 0 ? ret : len;
}
static ssize_t ad2s1210_show_reg(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
struct iio_dev_attr *iattr = to_iio_dev_attr(attr);
int ret;
mutex_lock(&st->lock);
ret = ad2s1210_config_read(st, iattr->address);
mutex_unlock(&st->lock);
return ret < 0 ? ret : sprintf(buf, "%d\n", ret);
}
static ssize_t ad2s1210_store_reg(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned char data;
int ret;
struct iio_dev_attr *iattr = to_iio_dev_attr(attr);
ret = kstrtou8(buf, 10, &data);
if (ret)
return -EINVAL;
mutex_lock(&st->lock);
ret = ad2s1210_config_write(st, iattr->address);
if (ret < 0)
goto error_ret;
ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW);
error_ret:
mutex_unlock(&st->lock);
return ret < 0 ? ret : len;
}
static int ad2s1210_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long m)
{
struct ad2s1210_state *st = iio_priv(indio_dev);
u16 negative;
int ret = 0;
u16 pos;
s16 vel;
mutex_lock(&st->lock);
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0);
/* delay (6 * tck + 20) nano seconds */
udelay(1);
switch (chan->type) {
case IIO_ANGL:
ad2s1210_set_mode(MOD_POS, st);
break;
case IIO_ANGL_VEL:
ad2s1210_set_mode(MOD_VEL, st);
break;
default:
ret = -EINVAL;
break;
}
if (ret < 0)
goto error_ret;
ret = spi_read(st->sdev, st->rx, 2);
if (ret < 0)
goto error_ret;
switch (chan->type) {
case IIO_ANGL:
pos = be16_to_cpup((__be16 *)st->rx);
if (st->hysteresis)
pos >>= 16 - st->resolution;
*val = pos;
ret = IIO_VAL_INT;
break;
case IIO_ANGL_VEL:
vel = be16_to_cpup((__be16 *)st->rx);
vel >>= 16 - st->resolution;
if (vel & 0x8000) {
negative = (0xffff >> st->resolution) << st->resolution;
vel |= negative;
}
*val = vel;
ret = IIO_VAL_INT;
break;
default:
mutex_unlock(&st->lock);
return -EINVAL;
}
error_ret:
gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1);
/* delay (2 * tck + 20) nano seconds */
udelay(1);
mutex_unlock(&st->lock);
return ret;
}
static IIO_DEVICE_ATTR(fclkin, 0644,
ad2s1210_show_fclkin, ad2s1210_store_fclkin, 0);
static IIO_DEVICE_ATTR(fexcit, 0644,
ad2s1210_show_fexcit, ad2s1210_store_fexcit, 0);
static IIO_DEVICE_ATTR(control, 0644,
ad2s1210_show_control, ad2s1210_store_control, 0);
static IIO_DEVICE_ATTR(bits, 0644,
ad2s1210_show_resolution, ad2s1210_store_resolution, 0);
static IIO_DEVICE_ATTR(fault, 0644,
ad2s1210_show_fault, ad2s1210_clear_fault, 0);
static IIO_DEVICE_ATTR(los_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_LOS_THRD);
static IIO_DEVICE_ATTR(dos_ovr_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_DOS_OVR_THRD);
static IIO_DEVICE_ATTR(dos_mis_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_DOS_MIS_THRD);
static IIO_DEVICE_ATTR(dos_rst_max_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_DOS_RST_MAX_THRD);
static IIO_DEVICE_ATTR(dos_rst_min_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_DOS_RST_MIN_THRD);
static IIO_DEVICE_ATTR(lot_high_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_LOT_HIGH_THRD);
static IIO_DEVICE_ATTR(lot_low_thrd, 0644,
ad2s1210_show_reg, ad2s1210_store_reg,
AD2S1210_REG_LOT_LOW_THRD);
static const struct iio_chan_spec ad2s1210_channels[] = {
{
.type = IIO_ANGL,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
}, {
.type = IIO_ANGL_VEL,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
}
};
static struct attribute *ad2s1210_attributes[] = {
&iio_dev_attr_fclkin.dev_attr.attr,
&iio_dev_attr_fexcit.dev_attr.attr,
&iio_dev_attr_control.dev_attr.attr,
&iio_dev_attr_bits.dev_attr.attr,
&iio_dev_attr_fault.dev_attr.attr,
&iio_dev_attr_los_thrd.dev_attr.attr,
&iio_dev_attr_dos_ovr_thrd.dev_attr.attr,
&iio_dev_attr_dos_mis_thrd.dev_attr.attr,
&iio_dev_attr_dos_rst_max_thrd.dev_attr.attr,
&iio_dev_attr_dos_rst_min_thrd.dev_attr.attr,
&iio_dev_attr_lot_high_thrd.dev_attr.attr,
&iio_dev_attr_lot_low_thrd.dev_attr.attr,
NULL,
};
static const struct attribute_group ad2s1210_attribute_group = {
.attrs = ad2s1210_attributes,
};
static int ad2s1210_initial(struct ad2s1210_state *st)
{
unsigned char data;
int ret;
mutex_lock(&st->lock);
ad2s1210_set_resolution_pin(st);
ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
data = AD2S1210_DEF_CONTROL & ~(AD2S1210_SET_RESOLUTION);
data |= (st->resolution - 10) >> 1;
ret = ad2s1210_config_write(st, data);
if (ret < 0)
goto error_ret;
ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL);
if (ret < 0)
goto error_ret;
if (ret & AD2S1210_MSB_IS_HIGH) {
ret = -EIO;
goto error_ret;
}
ret = ad2s1210_update_frequency_control_word(st);
if (ret < 0)
goto error_ret;
ret = ad2s1210_soft_reset(st);
error_ret:
mutex_unlock(&st->lock);
return ret;
}
static const struct iio_info ad2s1210_info = {
.read_raw = ad2s1210_read_raw,
.attrs = &ad2s1210_attribute_group,
};
static int ad2s1210_setup_gpios(struct ad2s1210_state *st)
{
struct spi_device *spi = st->sdev;
int i, ret;
for (i = 0; i < ARRAY_SIZE(gpios); i++) {
st->gpios[i] = devm_gpiod_get(&spi->dev, gpios[i].name,
gpios[i].flags);
if (IS_ERR(st->gpios[i])) {
ret = PTR_ERR(st->gpios[i]);
dev_err(&spi->dev,
"ad2s1210: failed to request %s GPIO: %d\n",
gpios[i].name, ret);
return ret;
}
}
return 0;
}
static int ad2s1210_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
struct ad2s1210_state *st;
int ret;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
ret = ad2s1210_setup_gpios(st);
if (ret < 0)
return ret;
spi_set_drvdata(spi, indio_dev);
mutex_init(&st->lock);
st->sdev = spi;
st->hysteresis = true;
st->mode = MOD_CONFIG;
st->resolution = 12;
st->fexcit = AD2S1210_DEF_EXCIT;
indio_dev->info = &ad2s1210_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = ad2s1210_channels;
indio_dev->num_channels = ARRAY_SIZE(ad2s1210_channels);
indio_dev->name = spi_get_device_id(spi)->name;
ret = devm_iio_device_register(&spi->dev, indio_dev);
if (ret)
return ret;
st->fclkin = spi->max_speed_hz;
spi->mode = SPI_MODE_3;
spi_setup(spi);
ad2s1210_initial(st);
return 0;
}
static const struct of_device_id ad2s1210_of_match[] = {
{ .compatible = "adi,ad2s1210", },
{ }
};
MODULE_DEVICE_TABLE(of, ad2s1210_of_match);
static const struct spi_device_id ad2s1210_id[] = {
{ "ad2s1210" },
{}
};
MODULE_DEVICE_TABLE(spi, ad2s1210_id);
static struct spi_driver ad2s1210_driver = {
.driver = {
.name = DRV_NAME,
.of_match_table = of_match_ptr(ad2s1210_of_match),
},
.probe = ad2s1210_probe,
.id_table = ad2s1210_id,
};
module_spi_driver(ad2s1210_driver);
MODULE_AUTHOR("Graff Yang <[email protected]>");
MODULE_DESCRIPTION("Analog Devices AD2S1210 Resolver to Digital SPI driver");
MODULE_LICENSE("GPL v2");
| linux-master | drivers/staging/iio/resolver/ad2s1210.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_sta_mgt.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_STA_MGT_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "xmit_osdep.h"
#include "sta_info.h"
static void _init_stainfo(struct sta_info *psta)
{
memset((u8 *)psta, 0, sizeof(struct sta_info));
spin_lock_init(&psta->lock);
INIT_LIST_HEAD(&psta->list);
INIT_LIST_HEAD(&psta->hash_list);
_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
INIT_LIST_HEAD(&psta->asoc_list);
INIT_LIST_HEAD(&psta->auth_list);
}
int _r8712_init_sta_priv(struct sta_priv *pstapriv)
{
struct sta_info *psta;
s32 i;
pstapriv->pallocated_stainfo_buf = kmalloc(sizeof(struct sta_info) *
NUM_STA + 4, GFP_ATOMIC);
if (!pstapriv->pallocated_stainfo_buf)
return -ENOMEM;
pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
((addr_t)(pstapriv->pallocated_stainfo_buf) & 3);
_init_queue(&pstapriv->free_sta_queue);
spin_lock_init(&pstapriv->sta_hash_lock);
pstapriv->asoc_sta_count = 0;
_init_queue(&pstapriv->sleep_q);
_init_queue(&pstapriv->wakeup_q);
psta = (struct sta_info *)(pstapriv->pstainfo_buf);
for (i = 0; i < NUM_STA; i++) {
_init_stainfo(psta);
INIT_LIST_HEAD(&(pstapriv->sta_hash[i]));
list_add_tail(&psta->list, &pstapriv->free_sta_queue.queue);
psta++;
}
INIT_LIST_HEAD(&pstapriv->asoc_list);
INIT_LIST_HEAD(&pstapriv->auth_list);
return 0;
}
/* this function is used to free the memory of lock || sema for all stainfos */
static void mfree_all_stainfo(struct sta_priv *pstapriv)
{
unsigned long irqL;
struct list_head *plist, *phead;
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
phead = &pstapriv->free_sta_queue.queue;
plist = phead->next;
while (!end_of_queue_search(phead, plist))
plist = plist->next;
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}
void _r8712_free_sta_priv(struct sta_priv *pstapriv)
{
if (pstapriv) {
/* be done before free sta_hash_lock */
mfree_all_stainfo(pstapriv);
kfree(pstapriv->pallocated_stainfo_buf);
}
}
struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
{
s32 index;
struct list_head *phash_list;
struct sta_info *psta;
struct __queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
int i = 0;
u16 wRxSeqInitialValue = 0xffff;
unsigned long flags;
pfree_sta_queue = &pstapriv->free_sta_queue;
spin_lock_irqsave(&pfree_sta_queue->lock, flags);
psta = list_first_entry_or_null(&pfree_sta_queue->queue,
struct sta_info, list);
if (psta) {
list_del_init(&psta->list);
_init_stainfo(psta);
memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
index = wifi_mac_hash(hwaddr);
if (index >= NUM_STA) {
psta = NULL;
goto exit;
}
phash_list = &pstapriv->sta_hash[index];
list_add_tail(&psta->hash_list, phash_list);
pstapriv->asoc_sta_count++;
/* For the SMC router, the sequence number of first packet of WPS handshake
* will be 0. In this case, this packet will be dropped by recv_decache function
* if we use the 0x00 as the default value for tid_rxseq variable. So, we
* initialize the tid_rxseq variable as the 0xffff.
*/
for (i = 0; i < 16; i++)
memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
&wRxSeqInitialValue, 2);
/* for A-MPDU Rx reordering buffer control */
for (i = 0; i < 16; i++) {
preorder_ctrl = &psta->recvreorder_ctrl[i];
preorder_ctrl->padapter = pstapriv->padapter;
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->wend_b = 0xffff;
preorder_ctrl->wsize_b = 64;
_init_queue(&preorder_ctrl->pending_recvframe_queue);
r8712_init_recv_timer(preorder_ctrl);
}
}
exit:
spin_unlock_irqrestore(&pfree_sta_queue->lock, flags);
return psta;
}
/* using pstapriv->sta_hash_lock to protect */
void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta)
{
int i;
unsigned long irqL0;
struct __queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_xmit_priv *pstaxmitpriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
if (!psta)
return;
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
spin_lock_irqsave(&(pxmitpriv->vo_pending.lock), irqL0);
r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
spin_unlock_irqrestore(&(pxmitpriv->vo_pending.lock), irqL0);
spin_lock_irqsave(&(pxmitpriv->vi_pending.lock), irqL0);
r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
spin_unlock_irqrestore(&(pxmitpriv->vi_pending.lock), irqL0);
spin_lock_irqsave(&(pxmitpriv->bk_pending.lock), irqL0);
r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
spin_unlock_irqrestore(&(pxmitpriv->bk_pending.lock), irqL0);
spin_lock_irqsave(&(pxmitpriv->be_pending.lock), irqL0);
r8712_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
list_del_init(&(pstaxmitpriv->be_q.tx_pending));
spin_unlock_irqrestore(&(pxmitpriv->be_pending.lock), irqL0);
list_del_init(&psta->hash_list);
pstapriv->asoc_sta_count--;
/* re-init sta_info; 20061114 */
_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
/* for A-MPDU Rx reordering buffer control,
* cancel reordering_ctrl_timer
*/
for (i = 0; i < 16; i++) {
preorder_ctrl = &psta->recvreorder_ctrl[i];
del_timer(&preorder_ctrl->reordering_ctrl_timer);
}
spin_lock(&(pfree_sta_queue->lock));
/* insert into free_sta_queue; 20061114 */
list_add_tail(&psta->list, &pfree_sta_queue->queue);
spin_unlock(&(pfree_sta_queue->lock));
}
/* free all stainfo which in sta_hash[all] */
void r8712_free_all_stainfo(struct _adapter *padapter)
{
unsigned long irqL;
struct list_head *plist, *phead;
s32 index;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info *pbcmc_stainfo = r8712_get_bcmc_stainfo(padapter);
if (pstapriv->asoc_sta_count == 1)
return;
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
for (index = 0; index < NUM_STA; index++) {
phead = &(pstapriv->sta_hash[index]);
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
psta = container_of(plist,
struct sta_info, hash_list);
plist = plist->next;
if (pbcmc_stainfo != psta)
r8712_free_stainfo(padapter, psta);
}
}
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}
/* any station allocated can be searched by hash list */
struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
{
unsigned long irqL;
struct list_head *plist, *phead;
struct sta_info *psta = NULL;
u32 index;
if (!hwaddr)
return NULL;
index = wifi_mac_hash(hwaddr);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
phead = &(pstapriv->sta_hash[index]);
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
psta = container_of(plist, struct sta_info, hash_list);
if ((!memcmp(psta->hwaddr, hwaddr, ETH_ALEN))) {
/* if found the matched address */
break;
}
psta = NULL;
plist = plist->next;
}
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
return psta;
}
void r8712_init_bcmc_stainfo(struct _adapter *padapter)
{
unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct sta_priv *pstapriv = &padapter->stapriv;
r8712_alloc_stainfo(pstapriv, bcast_addr);
}
struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
return r8712_get_stainfo(pstapriv, bc_addr);
}
u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr)
{
return true;
}
| linux-master | drivers/staging/rtl8712/rtl871x_sta_mgt.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_mlme.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_MLME_C_
#include <linux/etherdevice.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "xmit_osdep.h"
#include "mlme_osdep.h"
#include "sta_info.h"
#include "wifi.h"
#include "wlan_bssdef.h"
static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
int r8712_init_mlme_priv(struct _adapter *padapter)
{
sint i;
u8 *pbuf;
struct wlan_network *pnetwork;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
pmlmepriv->nic_hdl = (u8 *)padapter;
pmlmepriv->pscanned = NULL;
pmlmepriv->fw_state = 0;
pmlmepriv->cur_network.network.InfrastructureMode =
Ndis802_11AutoUnknown;
/* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
spin_lock_init(&(pmlmepriv->lock));
spin_lock_init(&(pmlmepriv->lock2));
_init_queue(&(pmlmepriv->free_bss_pool));
_init_queue(&(pmlmepriv->scanned_queue));
set_scanned_network_val(pmlmepriv, 0);
memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
pbuf = kmalloc_array(MAX_BSS_CNT, sizeof(struct wlan_network),
GFP_ATOMIC);
if (!pbuf)
return -ENOMEM;
pmlmepriv->free_bss_buf = pbuf;
pnetwork = (struct wlan_network *)pbuf;
for (i = 0; i < MAX_BSS_CNT; i++) {
INIT_LIST_HEAD(&(pnetwork->list));
list_add_tail(&(pnetwork->list),
&(pmlmepriv->free_bss_pool.queue));
pnetwork++;
}
pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
pmlmepriv->sitesurveyctrl.traffic_busy = false;
/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
r8712_init_mlme_timer(padapter);
return 0;
}
struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
{
unsigned long irqL;
struct wlan_network *pnetwork;
struct __queue *free_queue = &pmlmepriv->free_bss_pool;
spin_lock_irqsave(&free_queue->lock, irqL);
pnetwork = list_first_entry_or_null(&free_queue->queue,
struct wlan_network, list);
if (pnetwork) {
list_del_init(&pnetwork->list);
pnetwork->last_scanned = jiffies;
pmlmepriv->num_of_scanned++;
}
spin_unlock_irqrestore(&free_queue->lock, irqL);
return pnetwork;
}
static void _free_network(struct mlme_priv *pmlmepriv,
struct wlan_network *pnetwork)
{
u32 curr_time, delta_time;
unsigned long irqL;
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
if (!pnetwork)
return;
if (pnetwork->fixed)
return;
curr_time = jiffies;
delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
if (delta_time < SCANQUEUE_LIFETIME)
return;
spin_lock_irqsave(&free_queue->lock, irqL);
list_del_init(&pnetwork->list);
list_add_tail(&pnetwork->list, &free_queue->queue);
pmlmepriv->num_of_scanned--;
spin_unlock_irqrestore(&free_queue->lock, irqL);
}
static void free_network_nolock(struct mlme_priv *pmlmepriv,
struct wlan_network *pnetwork)
{
struct __queue *free_queue = &pmlmepriv->free_bss_pool;
if (!pnetwork)
return;
if (pnetwork->fixed)
return;
list_del_init(&pnetwork->list);
list_add_tail(&pnetwork->list, &free_queue->queue);
pmlmepriv->num_of_scanned--;
}
/* return the wlan_network with the matching addr
* Shall be called under atomic context...
* to avoid possible racing condition...
*/
static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
u8 *addr)
{
unsigned long irqL;
struct list_head *phead, *plist;
struct wlan_network *pnetwork = NULL;
if (is_zero_ether_addr(addr))
return NULL;
spin_lock_irqsave(&scanned_queue->lock, irqL);
phead = &scanned_queue->queue;
list_for_each(plist, phead) {
pnetwork = list_entry(plist, struct wlan_network, list);
if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
break;
}
if (plist == phead)
pnetwork = NULL;
spin_unlock_irqrestore(&scanned_queue->lock, irqL);
return pnetwork;
}
void r8712_free_network_queue(struct _adapter *padapter)
{
unsigned long irqL;
struct list_head *phead, *plist;
struct wlan_network *pnetwork;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
spin_lock_irqsave(&scanned_queue->lock, irqL);
phead = &scanned_queue->queue;
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
pnetwork = container_of(plist, struct wlan_network, list);
plist = plist->next;
_free_network(pmlmepriv, pnetwork);
}
spin_unlock_irqrestore(&scanned_queue->lock, irqL);
}
sint r8712_if_up(struct _adapter *padapter)
{
sint res;
if (padapter->driver_stopped || padapter->surprise_removed ||
!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
res = false;
} else {
res = true;
}
return res;
}
void r8712_generate_random_ibss(u8 *pibss)
{
u32 curtime = jiffies;
pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
pibss[1] = 0x11;
pibss[2] = 0x87;
pibss[3] = (u8)(curtime & 0xff);
pibss[4] = (u8)((curtime >> 8) & 0xff);
pibss[5] = (u8)((curtime >> 16) & 0xff);
}
uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
{
return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
}
u8 *r8712_get_capability_from_ie(u8 *ie)
{
return ie + 8 + 2;
}
void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
{
kfree(pmlmepriv->free_bss_buf);
}
static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
{
return _r8712_alloc_network(pmlmepriv);
}
int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
{
int ret = true;
struct security_priv *psecuritypriv = &adapter->securitypriv;
if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
(pnetwork->network.Privacy == cpu_to_le32(0)))
ret = false;
else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
(pnetwork->network.Privacy == cpu_to_le32(1)))
ret = false;
else
ret = true;
return ret;
}
static int is_same_network(struct wlan_bssid_ex *src,
struct wlan_bssid_ex *dst)
{
u16 s_cap, d_cap;
memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
(src->Configuration.DSConfig ==
dst->Configuration.DSConfig) &&
((!memcmp(src->MacAddress, dst->MacAddress,
ETH_ALEN))) &&
((!memcmp(src->Ssid.Ssid,
dst->Ssid.Ssid,
src->Ssid.SsidLength))) &&
((s_cap & WLAN_CAPABILITY_IBSS) ==
(d_cap & WLAN_CAPABILITY_IBSS)) &&
((s_cap & WLAN_CAPABILITY_ESS) ==
(d_cap & WLAN_CAPABILITY_ESS));
}
struct wlan_network *r8712_get_oldest_wlan_network(
struct __queue *scanned_queue)
{
struct list_head *plist, *phead;
struct wlan_network *pwlan = NULL;
struct wlan_network *oldest = NULL;
phead = &scanned_queue->queue;
plist = phead->next;
while (1) {
if (end_of_queue_search(phead, plist))
break;
pwlan = container_of(plist, struct wlan_network, list);
if (!pwlan->fixed) {
if (!oldest ||
time_after((unsigned long)oldest->last_scanned,
(unsigned long)pwlan->last_scanned))
oldest = pwlan;
}
plist = plist->next;
}
return oldest;
}
static void update_network(struct wlan_bssid_ex *dst,
struct wlan_bssid_ex *src,
struct _adapter *padapter)
{
u32 last_evm = 0, tmpVal;
struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
if (padapter->recvpriv.signal_qual_data.total_num++ >=
PHY_LINKQUALITY_SLID_WIN_MAX) {
padapter->recvpriv.signal_qual_data.total_num =
PHY_LINKQUALITY_SLID_WIN_MAX;
last_evm = sqd->elements[sqd->index];
padapter->recvpriv.signal_qual_data.total_val -=
last_evm;
}
padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
sqd->elements[sqd->index++] = src->Rssi;
if (padapter->recvpriv.signal_qual_data.index >=
PHY_LINKQUALITY_SLID_WIN_MAX)
padapter->recvpriv.signal_qual_data.index = 0;
/* <1> Showed on UI for user, in percentage. */
tmpVal = padapter->recvpriv.signal_qual_data.total_val /
padapter->recvpriv.signal_qual_data.total_num;
padapter->recvpriv.signal = (u8)tmpVal;
src->Rssi = padapter->recvpriv.signal;
} else {
src->Rssi = (src->Rssi + dst->Rssi) / 2;
}
memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
}
static void update_current_network(struct _adapter *adapter,
struct wlan_bssid_ex *pnetwork)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
update_network(&(pmlmepriv->cur_network.network),
pnetwork, adapter);
r8712_update_protection(adapter,
(pmlmepriv->cur_network.network.IEs) +
sizeof(struct NDIS_802_11_FIXED_IEs),
pmlmepriv->cur_network.network.IELength);
}
}
/* Caller must hold pmlmepriv->lock first */
static void update_scanned_network(struct _adapter *adapter,
struct wlan_bssid_ex *target)
{
struct list_head *plist, *phead;
u32 bssid_ex_sz;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct __queue *queue = &pmlmepriv->scanned_queue;
struct wlan_network *pnetwork = NULL;
struct wlan_network *oldest = NULL;
phead = &queue->queue;
plist = phead->next;
while (1) {
if (end_of_queue_search(phead, plist))
break;
pnetwork = container_of(plist, struct wlan_network, list);
if (is_same_network(&pnetwork->network, target))
break;
if ((oldest == ((struct wlan_network *)0)) ||
time_after((unsigned long)oldest->last_scanned,
(unsigned long)pnetwork->last_scanned))
oldest = pnetwork;
plist = plist->next;
}
/* If we didn't find a match, then get a new network slot to initialize
* with this beacon's information
*/
if (end_of_queue_search(phead, plist)) {
if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
/* If there are no more slots, expire the oldest */
pnetwork = oldest;
target->Rssi = (pnetwork->network.Rssi +
target->Rssi) / 2;
memcpy(&pnetwork->network, target,
r8712_get_wlan_bssid_ex_sz(target));
pnetwork->last_scanned = jiffies;
} else {
/* Otherwise just pull from the free list */
/* update scan_time */
pnetwork = alloc_network(pmlmepriv);
if (!pnetwork)
return;
bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
target->Length = bssid_ex_sz;
memcpy(&pnetwork->network, target, bssid_ex_sz);
list_add_tail(&pnetwork->list, &queue->queue);
}
} else {
/* we have an entry and we are going to update it. But
* this entry may be already expired. In this case we
* do the same as we found a new net and call the new_net
* handler
*/
update_network(&pnetwork->network, target, adapter);
pnetwork->last_scanned = jiffies;
}
}
static void rtl8711_add_network(struct _adapter *adapter,
struct wlan_bssid_ex *pnetwork)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
struct __queue *queue = &pmlmepriv->scanned_queue;
spin_lock_irqsave(&queue->lock, irqL);
update_current_network(adapter, pnetwork);
update_scanned_network(adapter, pnetwork);
spin_unlock_irqrestore(&queue->lock, irqL);
}
/*select the desired network based on the capability of the (i)bss.
* check items: (1) security
* (2) network_type
* (3) WMM
* (4) HT
* (5) others
*/
static int is_desired_network(struct _adapter *adapter,
struct wlan_network *pnetwork)
{
u8 wps_ie[512];
uint wps_ielen;
int bselected = true;
struct security_priv *psecuritypriv = &adapter->securitypriv;
if (psecuritypriv->wps_phase) {
if (r8712_get_wps_ie(pnetwork->network.IEs,
pnetwork->network.IELength, wps_ie,
&wps_ielen))
return true;
return false;
}
if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
(pnetwork->network.Privacy == 0))
bselected = false;
if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) {
if (pnetwork->network.InfrastructureMode !=
adapter->mlmepriv.cur_network.network.InfrastructureMode)
bselected = false;
}
return bselected;
}
/* TODO: Perry : For Power Management */
void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
{
}
void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long flags;
u32 len;
struct wlan_bssid_ex *pnetwork;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
pnetwork = (struct wlan_bssid_ex *)pbuf;
#ifdef __BIG_ENDIAN
/* endian_convert */
pnetwork->Length = le32_to_cpu(pnetwork->Length);
pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
pnetwork->Configuration.ATIMWindow =
le32_to_cpu(pnetwork->Configuration.ATIMWindow);
pnetwork->Configuration.BeaconPeriod =
le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
pnetwork->Configuration.DSConfig =
le32_to_cpu(pnetwork->Configuration.DSConfig);
pnetwork->Configuration.FHConfig.DwellTime =
le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
pnetwork->Configuration.FHConfig.HopPattern =
le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
pnetwork->Configuration.FHConfig.HopSet =
le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
pnetwork->Configuration.FHConfig.Length =
le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
pnetwork->Configuration.Length =
le32_to_cpu(pnetwork->Configuration.Length);
pnetwork->InfrastructureMode =
le32_to_cpu(pnetwork->InfrastructureMode);
pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
#endif
len = r8712_get_wlan_bssid_ex_sz(pnetwork);
if (len > sizeof(struct wlan_bssid_ex))
return;
spin_lock_irqsave(&pmlmepriv->lock2, flags);
/* update IBSS_network 's timestamp */
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
pnetwork->MacAddress, ETH_ALEN)) {
struct wlan_network *ibss_wlan = NULL;
memcpy(pmlmepriv->cur_network.network.IEs,
pnetwork->IEs, 8);
ibss_wlan = r8712_find_network(
&pmlmepriv->scanned_queue,
pnetwork->MacAddress);
if (ibss_wlan) {
memcpy(ibss_wlan->network.IEs,
pnetwork->IEs, 8);
goto exit;
}
}
}
/* lock pmlmepriv->lock when you accessing network_q */
if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
if (pnetwork->Ssid.Ssid[0] != 0) {
rtl8711_add_network(adapter, pnetwork);
} else {
pnetwork->Ssid.SsidLength = 8;
memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
rtl8711_add_network(adapter, pnetwork);
}
}
exit:
spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
}
void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
del_timer(&pmlmepriv->scan_to_timer);
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
}
if (pmlmepriv->to_join) {
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
if (!r8712_select_and_join_from_scan(pmlmepriv)) {
mod_timer(&pmlmepriv->assoc_timer, jiffies +
msecs_to_jiffies(MAX_JOIN_TIMEOUT));
} else {
struct wlan_bssid_ex *pdev_network =
&(adapter->registrypriv.dev_network);
u8 *pibss =
adapter->registrypriv.dev_network.MacAddress;
pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
memcpy(&pdev_network->Ssid,
&pmlmepriv->assoc_ssid,
sizeof(struct
ndis_802_11_ssid));
r8712_update_registrypriv_dev_network
(adapter);
r8712_generate_random_ibss(pibss);
pmlmepriv->fw_state =
WIFI_ADHOC_MASTER_STATE;
pmlmepriv->to_join = false;
}
}
} else {
pmlmepriv->to_join = false;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
if (!r8712_select_and_join_from_scan(pmlmepriv))
mod_timer(&pmlmepriv->assoc_timer, jiffies +
msecs_to_jiffies(MAX_JOIN_TIMEOUT));
else
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
/*
*r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
*/
void r8712_free_assoc_resources(struct _adapter *adapter)
{
unsigned long irqL;
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
struct sta_info *psta;
psta = r8712_get_stainfo(&adapter->stapriv,
tgt_network->network.MacAddress);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
r8712_free_stainfo(adapter, psta);
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
}
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
r8712_free_all_stainfo(adapter);
if (pwlan)
pwlan->fixed = false;
if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
(adapter->stapriv.asoc_sta_count == 1)))
free_network_nolock(pmlmepriv, pwlan);
}
/*
* r8712_indicate_connect: the caller has to lock pmlmepriv->lock
*/
void r8712_indicate_connect(struct _adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
pmlmepriv->to_join = false;
set_fwstate(pmlmepriv, _FW_LINKED);
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
r8712_os_indicate_connect(padapter);
if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
mod_timer(&pmlmepriv->dhcp_timer,
jiffies + msecs_to_jiffies(60000));
}
/*
* r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
*/
void r8712_ind_disconnect(struct _adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
_clr_fwstate_(pmlmepriv, _FW_LINKED);
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
r8712_os_indicate_disconnect(padapter);
}
if (padapter->pwrctrlpriv.pwr_mode !=
padapter->registrypriv.power_mgnt) {
del_timer(&pmlmepriv->dhcp_timer);
r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
padapter->registrypriv.smart_ps);
}
}
/*Notes:
*pnetwork : returns from r8712_joinbss_event_callback
*ptarget_wlan: found from scanned_queue
*if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
* "ptarget_sta" & "ptarget_wlan" exist.
*if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
* if "ptarget_wlan" exist.
*if join_res > 0, update "cur_network->network" from
* "pnetwork->network" if (ptarget_wlan !=NULL).
*/
void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL = 0, irqL2;
struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
unsigned int the_same_macaddr = false;
struct wlan_network *pnetwork;
if (sizeof(struct list_head) == 4 * sizeof(u32)) {
pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
if (!pnetwork)
return;
memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
sizeof(struct wlan_network) - 16);
} else {
pnetwork = (struct wlan_network *)pbuf;
}
#ifdef __BIG_ENDIAN
/* endian_convert */
pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
pnetwork->network.Ssid.SsidLength =
le32_to_cpu(pnetwork->network.Ssid.SsidLength);
pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
pnetwork->network.NetworkTypeInUse =
le32_to_cpu(pnetwork->network.NetworkTypeInUse);
pnetwork->network.Configuration.ATIMWindow =
le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
pnetwork->network.Configuration.BeaconPeriod =
le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
pnetwork->network.Configuration.DSConfig =
le32_to_cpu(pnetwork->network.Configuration.DSConfig);
pnetwork->network.Configuration.FHConfig.DwellTime =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.DwellTime);
pnetwork->network.Configuration.FHConfig.HopPattern =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopPattern);
pnetwork->network.Configuration.FHConfig.HopSet =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
pnetwork->network.Configuration.FHConfig.Length =
le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
pnetwork->network.Configuration.Length =
le32_to_cpu(pnetwork->network.Configuration.Length);
pnetwork->network.InfrastructureMode =
le32_to_cpu(pnetwork->network.InfrastructureMode);
pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
#endif
the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
cur_network->network.MacAddress, ETH_ALEN);
pnetwork->network.Length =
r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
goto ignore_joinbss_callback;
if (pnetwork->join_res > 0) {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
/*s1. find ptarget_wlan*/
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (the_same_macaddr) {
ptarget_wlan =
r8712_find_network(&pmlmepriv->scanned_queue,
cur_network->network.MacAddress);
} else {
pcur_wlan =
r8712_find_network(&pmlmepriv->scanned_queue,
cur_network->network.MacAddress);
if (pcur_wlan)
pcur_wlan->fixed = false;
pcur_sta = r8712_get_stainfo(pstapriv,
cur_network->network.MacAddress);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL2);
r8712_free_stainfo(adapter, pcur_sta);
spin_unlock_irqrestore(&(pstapriv->sta_hash_lock), irqL2);
ptarget_wlan =
r8712_find_network(&pmlmepriv->scanned_queue,
pnetwork->network.MacAddress);
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
} else {
ptarget_wlan = r8712_find_network(&pmlmepriv->scanned_queue,
pnetwork->network.MacAddress);
if (ptarget_wlan)
ptarget_wlan->fixed = true;
}
if (!ptarget_wlan) {
if (check_fwstate(pmlmepriv,
_FW_UNDER_LINKING))
pmlmepriv->fw_state ^=
_FW_UNDER_LINKING;
goto ignore_joinbss_callback;
}
/*s2. find ptarget_sta & update ptarget_sta*/
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
if (the_same_macaddr) {
ptarget_sta =
r8712_get_stainfo(pstapriv,
pnetwork->network.MacAddress);
if (!ptarget_sta)
ptarget_sta =
r8712_alloc_stainfo(pstapriv,
pnetwork->network.MacAddress);
} else {
ptarget_sta =
r8712_alloc_stainfo(pstapriv,
pnetwork->network.MacAddress);
}
if (ptarget_sta) /*update ptarget_sta*/ {
ptarget_sta->aid = pnetwork->join_res;
ptarget_sta->qos_option = 1;
ptarget_sta->mac_id = 5;
if (adapter->securitypriv.AuthAlgrthm == 2) {
adapter->securitypriv.binstallGrpkey = false;
adapter->securitypriv.busetkipkey = false;
adapter->securitypriv.bgrpkey_handshake = false;
ptarget_sta->ieee8021x_blocked = true;
ptarget_sta->XPrivacy =
adapter->securitypriv.PrivacyAlgrthm;
memset((u8 *)&ptarget_sta->x_UncstKey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->tkiprxmickey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->tkiptxmickey,
0,
sizeof(union Keytype));
memset((u8 *)&ptarget_sta->txpn,
0,
sizeof(union pn48));
memset((u8 *)&ptarget_sta->rxpn,
0,
sizeof(union pn48));
}
} else {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
pmlmepriv->fw_state ^=
_FW_UNDER_LINKING;
goto ignore_joinbss_callback;
}
}
/*s3. update cur_network & indicate connect*/
memcpy(&cur_network->network, &pnetwork->network,
pnetwork->network.Length);
cur_network->aid = pnetwork->join_res;
/*update fw_state will clr _FW_UNDER_LINKING*/
switch (pnetwork->network.InfrastructureMode) {
case Ndis802_11Infrastructure:
pmlmepriv->fw_state = WIFI_STATION_STATE;
break;
case Ndis802_11IBSS:
pmlmepriv->fw_state = WIFI_ADHOC_STATE;
break;
default:
pmlmepriv->fw_state = WIFI_NULL_STATE;
break;
}
r8712_update_protection(adapter,
(cur_network->network.IEs) +
sizeof(struct NDIS_802_11_FIXED_IEs),
(cur_network->network.IELength));
/*TODO: update HT_Capability*/
update_ht_cap(adapter, cur_network->network.IEs,
cur_network->network.IELength);
/*indicate connect*/
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
r8712_indicate_connect(adapter);
del_timer(&pmlmepriv->assoc_timer);
} else {
goto ignore_joinbss_callback;
}
} else {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
}
}
ignore_joinbss_callback:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
if (sizeof(struct list_head) == 4 * sizeof(u32))
kfree(pnetwork);
}
void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL;
struct sta_info *psta;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
/* to do: */
if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
return;
psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (psta) {
/*the sta have been in sta_info_queue => do nothing
*(between drv has received this event before and
* fw have not yet to set key to CAM_ENTRY)
*/
return;
}
psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
if (!psta)
return;
/* to do : init sta_info variable */
psta->qos_option = 0;
psta->mac_id = le32_to_cpu(pstassoc->cam_id);
/* psta->aid = (uint)pstassoc->cam_id; */
if (adapter->securitypriv.AuthAlgrthm == 2)
psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
psta->ieee8021x_blocked = false;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
if (adapter->stapriv.asoc_sta_count == 2) {
/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
r8712_indicate_connect(adapter);
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL, irqL2;
struct sta_info *psta;
struct wlan_network *pwlan = NULL;
struct wlan_bssid_ex *pdev_network = NULL;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct stadel_event *pstadel = (struct stadel_event *)pbuf;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
spin_lock_irqsave(&pmlmepriv->lock, irqL2);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
r8712_ind_disconnect(adapter);
r8712_free_assoc_resources(adapter);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
WIFI_ADHOC_STATE)) {
psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
r8712_free_stainfo(adapter, psta);
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
if (adapter->stapriv.asoc_sta_count == 1) {
/*a sta + bc/mc_stainfo (not Ibss_stainfo) */
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
free_network_nolock(pmlmepriv, pwlan);
}
/*re-create ibss*/
pdev_network = &(adapter->registrypriv.dev_network);
pibss = adapter->registrypriv.dev_network.MacAddress;
memcpy(pdev_network, &tgt_network->network,
r8712_get_wlan_bssid_ex_sz(&tgt_network->network));
memcpy(&pdev_network->Ssid,
&pmlmepriv->assoc_ssid,
sizeof(struct ndis_802_11_ssid));
r8712_update_registrypriv_dev_network(adapter);
r8712_generate_random_ibss(pibss);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
}
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
}
void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
{
struct reportpwrstate_parm *preportpwrstate =
(struct reportpwrstate_parm *)pbuf;
preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
r8712_cpwm_int_hdl(adapter, preportpwrstate);
}
/* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
* the ADDBA req frame with start seq control = 0 to wifi client after
* the WPA handshake and the seqence number of following data packet
* will be 0. In this case, the Rx reorder sequence is not longer than 0
* and the WiFi client will drop the data with seq number 0.
* So, the 8712 firmware has to inform driver with receiving the
* ADDBA-Req frame so that the driver can reset the
* sequence value of Rx reorder control.
*/
void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
{
struct ADDBA_Req_Report_parm *pAddbareq_pram =
(struct ADDBA_Req_Report_parm *)pbuf;
struct sta_info *psta;
struct sta_priv *pstapriv = &adapter->stapriv;
struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
if (psta) {
precvreorder_ctrl =
&psta->recvreorder_ctrl[pAddbareq_pram->tid];
/* set the indicate_seq to 0xffff so that the rx reorder
* can store any following data packet.
*/
precvreorder_ctrl->indicate_seq = 0xffff;
}
}
void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
{
if (!adapter->securitypriv.wps_hw_pbc_pressed)
adapter->securitypriv.wps_hw_pbc_pressed = true;
}
void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
{
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
struct registry_priv *pregistrypriv = &adapter->registrypriv;
u64 current_tx_pkts;
uint current_rx_pkts;
current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
(psitesurveyctrl->last_tx_pkts);
current_rx_pkts = (adapter->recvpriv.rx_pkts) -
(psitesurveyctrl->last_rx_pkts);
psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
(current_rx_pkts > pregistrypriv->busy_thresh))
psitesurveyctrl->traffic_busy = true;
else
psitesurveyctrl->traffic_busy = false;
}
void _r8712_join_timeout_handler(struct _adapter *adapter)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
if (adapter->driver_stopped || adapter->surprise_removed)
return;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->to_join = false;
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
r8712_os_indicate_disconnect(adapter);
_clr_fwstate_(pmlmepriv, _FW_LINKED);
}
if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
adapter->registrypriv.smart_ps);
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
void r8712_scan_timeout_handler (struct _adapter *adapter)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
{
if (adapter->driver_stopped || adapter->surprise_removed)
return;
if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
adapter->registrypriv.smart_ps);
}
int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
{
struct list_head *phead;
unsigned char *dst_ssid, *src_ssid;
struct _adapter *adapter;
struct __queue *queue = NULL;
struct wlan_network *pnetwork = NULL;
struct wlan_network *pnetwork_max_rssi = NULL;
adapter = (struct _adapter *)pmlmepriv->nic_hdl;
queue = &pmlmepriv->scanned_queue;
phead = &queue->queue;
pmlmepriv->pscanned = phead->next;
while (1) {
if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
if (pmlmepriv->assoc_by_rssi && pnetwork_max_rssi) {
pnetwork = pnetwork_max_rssi;
goto ask_for_joinbss;
}
return -EINVAL;
}
pnetwork = container_of(pmlmepriv->pscanned,
struct wlan_network, list);
pmlmepriv->pscanned = pmlmepriv->pscanned->next;
if (pmlmepriv->assoc_by_bssid) {
dst_ssid = pnetwork->network.MacAddress;
src_ssid = pmlmepriv->assoc_bssid;
if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (is_same_network(&pmlmepriv->cur_network.network,
&pnetwork->network)) {
_clr_fwstate_(pmlmepriv,
_FW_UNDER_LINKING);
/*r8712_indicate_connect again*/
r8712_indicate_connect(adapter);
return 2;
}
r8712_disassoc_cmd(adapter);
r8712_ind_disconnect(adapter);
r8712_free_assoc_resources(adapter);
}
goto ask_for_joinbss;
}
} else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
goto ask_for_joinbss;
}
dst_ssid = pnetwork->network.Ssid.Ssid;
src_ssid = pmlmepriv->assoc_ssid.Ssid;
if ((pnetwork->network.Ssid.SsidLength ==
pmlmepriv->assoc_ssid.SsidLength) &&
(!memcmp(dst_ssid, src_ssid,
pmlmepriv->assoc_ssid.SsidLength))) {
if (pmlmepriv->assoc_by_rssi) {
/* if the ssid is the same, select the bss
* which has the max rssi
*/
if (pnetwork_max_rssi) {
if (pnetwork->network.Rssi >
pnetwork_max_rssi->network.Rssi)
pnetwork_max_rssi = pnetwork;
} else {
pnetwork_max_rssi = pnetwork;
}
} else if (is_desired_network(adapter, pnetwork)) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
r8712_disassoc_cmd(adapter);
r8712_free_assoc_resources(adapter);
}
goto ask_for_joinbss;
}
}
}
ask_for_joinbss:
return r8712_joinbss_cmd(adapter, pnetwork);
}
int r8712_set_auth(struct _adapter *adapter,
struct security_priv *psecuritypriv)
{
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
struct cmd_obj *pcmd;
struct setauth_parm *psetauthparm;
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
if (!pcmd)
return -ENOMEM;
psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
if (!psetauthparm) {
kfree(pcmd);
return -ENOMEM;
}
psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
pcmd->cmdcode = _SetAuth_CMD_;
pcmd->parmbuf = (unsigned char *)psetauthparm;
pcmd->cmdsz = sizeof(struct setauth_parm);
pcmd->rsp = NULL;
pcmd->rspsz = 0;
INIT_LIST_HEAD(&pcmd->list);
r8712_enqueue_cmd(pcmdpriv, pcmd);
return 0;
}
int r8712_set_key(struct _adapter *adapter,
struct security_priv *psecuritypriv,
sint keyid)
{
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
struct cmd_obj *pcmd;
struct setkey_parm *psetkeyparm;
u8 keylen;
int ret;
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
if (!pcmd)
return -ENOMEM;
psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
if (!psetkeyparm) {
ret = -ENOMEM;
goto err_free_cmd;
}
if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
psetkeyparm->algorithm =
(u8)psecuritypriv->XGrpPrivacy;
} else { /* WEP */
psetkeyparm->algorithm =
(u8)psecuritypriv->PrivacyAlgrthm;
}
psetkeyparm->keyid = (u8)keyid;
switch (psetkeyparm->algorithm) {
case _WEP40_:
keylen = 5;
memcpy(psetkeyparm->key,
psecuritypriv->DefKey[keyid].skey, keylen);
break;
case _WEP104_:
keylen = 13;
memcpy(psetkeyparm->key,
psecuritypriv->DefKey[keyid].skey, keylen);
break;
case _TKIP_:
if (keyid < 1 || keyid > 2) {
ret = -EINVAL;
goto err_free_parm;
}
keylen = 16;
memcpy(psetkeyparm->key,
&psecuritypriv->XGrpKey[keyid - 1], keylen);
psetkeyparm->grpkey = 1;
break;
case _AES_:
if (keyid < 1 || keyid > 2) {
ret = -EINVAL;
goto err_free_parm;
}
keylen = 16;
memcpy(psetkeyparm->key,
&psecuritypriv->XGrpKey[keyid - 1], keylen);
psetkeyparm->grpkey = 1;
break;
default:
ret = -EINVAL;
goto err_free_parm;
}
pcmd->cmdcode = _SetKey_CMD_;
pcmd->parmbuf = (u8 *)psetkeyparm;
pcmd->cmdsz = (sizeof(struct setkey_parm));
pcmd->rsp = NULL;
pcmd->rspsz = 0;
INIT_LIST_HEAD(&pcmd->list);
r8712_enqueue_cmd(pcmdpriv, pcmd);
return 0;
err_free_parm:
kfree(psetkeyparm);
err_free_cmd:
kfree(pcmd);
return ret;
}
/* adjust IEs for r8712_joinbss_cmd in WMM */
int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
uint in_len, uint initial_out_len)
{
unsigned int ielength = 0;
unsigned int i, j;
i = 12; /* after the fixed IE */
while (i < in_len) {
ielength = initial_out_len;
if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
in_ie[i + 5] == 0x02 && i + 5 < in_len) {
/*WMM element ID and OUI*/
for (j = i; j < i + 9; j++) {
out_ie[ielength] = in_ie[j];
ielength++;
}
out_ie[initial_out_len + 1] = 0x07;
out_ie[initial_out_len + 6] = 0x00;
out_ie[initial_out_len + 8] = 0x00;
break;
}
i += (in_ie[i + 1] + 2); /* to the next IE element */
}
return ielength;
}
/*
* Ported from 8185: IsInPreAuthKeyList().
*
* Search by BSSID,
* Return Value:
* -1 :if there is no pre-auth key in the table
* >=0 :if there is pre-auth key, and return the entry id
*/
static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
{
struct security_priv *p = &Adapter->securitypriv;
int i;
for (i = 0; i < NUM_PMKID_CACHE; i++)
if (p->PMKIDList[i].bUsed && !memcmp(p->PMKIDList[i].Bssid, bssid, ETH_ALEN))
return i;
return -1;
}
sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
u8 *out_ie, uint in_len)
{
u8 authmode = 0, match;
u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
uint ielength, cnt, remove_cnt;
int iEntry;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct security_priv *psecuritypriv = &adapter->securitypriv;
uint ndisauthmode = psecuritypriv->ndisauthtype;
uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
(ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
authmode = _WPA_IE_ID_;
uncst_oui[0] = 0x0;
uncst_oui[1] = 0x50;
uncst_oui[2] = 0xf2;
}
if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
(ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
authmode = _WPA2_IE_ID_;
uncst_oui[0] = 0x0;
uncst_oui[1] = 0x0f;
uncst_oui[2] = 0xac;
}
switch (ndissecuritytype) {
case Ndis802_11Encryption1Enabled:
case Ndis802_11Encryption1KeyAbsent:
uncst_oui[3] = 0x1;
break;
case Ndis802_11Encryption2Enabled:
case Ndis802_11Encryption2KeyAbsent:
uncst_oui[3] = 0x2;
break;
case Ndis802_11Encryption3Enabled:
case Ndis802_11Encryption3KeyAbsent:
uncst_oui[3] = 0x4;
break;
default:
break;
}
/*Search required WPA or WPA2 IE and copy to sec_ie[] */
cnt = 12;
match = false;
while (cnt < in_len) {
if (in_ie[cnt] == authmode) {
if ((authmode == _WPA_IE_ID_) &&
(!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
memcpy(&sec_ie[0], &in_ie[cnt],
in_ie[cnt + 1] + 2);
match = true;
break;
}
if (authmode == _WPA2_IE_ID_) {
memcpy(&sec_ie[0], &in_ie[cnt],
in_ie[cnt + 1] + 2);
match = true;
break;
}
if (((authmode == _WPA_IE_ID_) &&
(!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
(authmode == _WPA2_IE_ID_))
memcpy(&bkup_ie[0], &in_ie[cnt],
in_ie[cnt + 1] + 2);
}
cnt += in_ie[cnt + 1] + 2; /*get next*/
}
/*restruct WPA IE or WPA2 IE in sec_ie[] */
if (match) {
if (sec_ie[0] == _WPA_IE_ID_) {
/* parsing SSN IE to select required encryption
* algorithm, and set the bc/mc encryption algorithm
*/
while (true) {
/*check wpa_oui tag*/
if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
match = false;
break;
}
if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
/*IE Ver error*/
match = false;
break;
}
if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
/* get bc/mc encryption type (group
* key type)
*/
switch (sec_ie[11]) {
case 0x0: /*none*/
psecuritypriv->XGrpPrivacy =
_NO_PRIVACY_;
break;
case 0x1: /*WEP_40*/
psecuritypriv->XGrpPrivacy =
_WEP40_;
break;
case 0x2: /*TKIP*/
psecuritypriv->XGrpPrivacy =
_TKIP_;
break;
case 0x3: /*AESCCMP*/
case 0x4:
psecuritypriv->XGrpPrivacy =
_AES_;
break;
case 0x5: /*WEP_104*/
psecuritypriv->XGrpPrivacy =
_WEP104_;
break;
}
} else {
match = false;
break;
}
if (sec_ie[12] == 0x01) {
/*check the unicast encryption type*/
if (memcmp(&sec_ie[14],
&uncst_oui[0], 4)) {
match = false;
break;
} /*else the uncst_oui is match*/
} else { /*mixed mode, unicast_enc_type > 1*/
/*select the uncst_oui and remove
* the other uncst_oui
*/
cnt = sec_ie[12];
remove_cnt = (cnt - 1) * 4;
sec_ie[12] = 0x01;
memcpy(&sec_ie[14], &uncst_oui[0], 4);
/*remove the other unicast suit*/
memcpy(&sec_ie[18],
&sec_ie[18 + remove_cnt],
sec_ie[1] - 18 + 2 -
remove_cnt);
sec_ie[1] = sec_ie[1] - remove_cnt;
}
break;
}
}
if (authmode == _WPA2_IE_ID_) {
/* parsing RSN IE to select required encryption
* algorithm, and set the bc/mc encryption algorithm
*/
while (true) {
if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
/*IE Ver error*/
match = false;
break;
}
if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
/*get bc/mc encryption type*/
switch (sec_ie[7]) {
case 0x1: /*WEP_40*/
psecuritypriv->XGrpPrivacy =
_WEP40_;
break;
case 0x2: /*TKIP*/
psecuritypriv->XGrpPrivacy =
_TKIP_;
break;
case 0x4: /*AESWRAP*/
psecuritypriv->XGrpPrivacy =
_AES_;
break;
case 0x5: /*WEP_104*/
psecuritypriv->XGrpPrivacy =
_WEP104_;
break;
default: /*one*/
psecuritypriv->XGrpPrivacy =
_NO_PRIVACY_;
break;
}
} else {
match = false;
break;
}
if (sec_ie[8] == 0x01) {
/*check the unicast encryption type*/
if (memcmp(&sec_ie[10],
&uncst_oui[0], 4)) {
match = false;
break;
} /*else the uncst_oui is match*/
} else { /*mixed mode, unicast_enc_type > 1*/
/*select the uncst_oui and remove the
* other uncst_oui
*/
cnt = sec_ie[8];
remove_cnt = (cnt - 1) * 4;
sec_ie[8] = 0x01;
memcpy(&sec_ie[10], &uncst_oui[0], 4);
/*remove the other unicast suit*/
memcpy(&sec_ie[14],
&sec_ie[14 + remove_cnt],
(sec_ie[1] - 14 + 2 -
remove_cnt));
sec_ie[1] = sec_ie[1] - remove_cnt;
}
break;
}
}
}
if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
/*copy fixed ie*/
memcpy(out_ie, in_ie, 12);
ielength = 12;
/*copy RSN or SSN*/
if (match) {
memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
ielength += sec_ie[1] + 2;
if (authmode == _WPA2_IE_ID_) {
/*the Pre-Authentication bit should be zero*/
out_ie[ielength - 1] = 0;
out_ie[ielength - 2] = 0;
}
r8712_report_sec_ie(adapter, authmode, sec_ie);
}
} else {
/*copy fixed ie only*/
memcpy(out_ie, in_ie, 12);
ielength = 12;
if (psecuritypriv->wps_phase) {
memcpy(out_ie + ielength, psecuritypriv->wps_ie,
psecuritypriv->wps_ie_len);
ielength += psecuritypriv->wps_ie_len;
}
}
iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
if (iEntry < 0)
return ielength;
if (authmode == _WPA2_IE_ID_) {
out_ie[ielength] = 1;
ielength++;
out_ie[ielength] = 0; /*PMKID count = 0x0100*/
ielength++;
memcpy(&out_ie[ielength],
&psecuritypriv->PMKIDList[iEntry].PMKID, 16);
ielength += 16;
out_ie[13] += 18;/*PMKID length = 2+16*/
}
return ielength;
}
void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
{
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct eeprom_priv *peepriv = &adapter->eeprompriv;
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
u8 *myhwaddr = myid(peepriv);
memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
sizeof(struct ndis_802_11_ssid));
pdev_network->Configuration.Length =
sizeof(struct NDIS_802_11_CONFIGURATION);
pdev_network->Configuration.BeaconPeriod = 100;
pdev_network->Configuration.FHConfig.Length = 0;
pdev_network->Configuration.FHConfig.HopPattern = 0;
pdev_network->Configuration.FHConfig.HopSet = 0;
pdev_network->Configuration.FHConfig.DwellTime = 0;
}
void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
{
int sz = 0;
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
struct security_priv *psecuritypriv = &adapter->securitypriv;
struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
> 0 ? 1 : 0); /* adhoc no 802.1x */
pdev_network->Rssi = 0;
switch (pregistrypriv->wireless_mode) {
case WIRELESS_11B:
pdev_network->NetworkTypeInUse = Ndis802_11DS;
break;
case WIRELESS_11G:
case WIRELESS_11BG:
pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
break;
case WIRELESS_11A:
pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
break;
default:
/* TODO */
break;
}
pdev_network->Configuration.DSConfig = pregistrypriv->channel;
if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
pdev_network->Configuration.ATIMWindow = 3;
pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode;
/* 1. Supported rates
* 2. IE
*/
sz = r8712_generate_ie(pregistrypriv);
pdev_network->IELength = sz;
pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
}
/*the function is at passive_level*/
void r8712_joinbss_reset(struct _adapter *padapter)
{
int i;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
/* todo: if you want to do something io/reg/hw setting before join_bss,
* please add code here
*/
phtpriv->ampdu_enable = false;/*reset to disabled*/
for (i = 0; i < 16; i++)
phtpriv->baddbareq_issued[i] = false;/*reset it*/
if (phtpriv->ht_option) {
/* validate usb rx aggregation */
r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
} else {
/* invalidate usb rx aggregation */
/* TH=1 => means that invalidate usb rx aggregation */
r8712_write8(padapter, 0x102500D9, 1);
}
}
/*the function is >= passive_level*/
unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint *pout_len)
{
u32 ielen, out_len;
unsigned char *p;
struct ieee80211_ht_cap ht_capie;
unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
phtpriv->ht_option = 0;
p = r8712_get_ie(in_ie + 12, WLAN_EID_HT_CAPABILITY, &ielen, in_len - 12);
if (p && (ielen > 0)) {
if (pqospriv->qos_option == 0) {
out_len = *pout_len;
r8712_set_ie(out_ie + out_len, WLAN_EID_VENDOR_SPECIFIC,
_WMM_IE_Length_, WMM_IE, pout_len);
pqospriv->qos_option = 1;
}
out_len = *pout_len;
memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_TX_STBC |
IEEE80211_HT_CAP_MAX_AMSDU |
IEEE80211_HT_CAP_DSSSCCK40);
ht_capie.ampdu_params_info = (IEEE80211_HT_AMPDU_PARM_FACTOR &
0x03) | (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
r8712_set_ie(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
sizeof(struct ieee80211_ht_cap),
(unsigned char *)&ht_capie, pout_len);
phtpriv->ht_option = 1;
}
return phtpriv->ht_option;
}
/* the function is > passive_level (in critical_section) */
static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
{
u8 *p, max_ampdu_sz;
int i;
uint len;
struct sta_info *bmc_sta, *psta;
struct ieee80211_ht_cap *pht_capie;
struct recv_reorder_ctrl *preorder_ctrl;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
if (!phtpriv->ht_option)
return;
/* maybe needs check if ap supports rx ampdu. */
if (!phtpriv->ampdu_enable &&
(pregistrypriv->ampdu_enable == 1))
phtpriv->ampdu_enable = true;
/*check Max Rx A-MPDU Size*/
len = 0;
p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
WLAN_EID_HT_CAPABILITY,
&len, ie_len -
sizeof(struct NDIS_802_11_FIXED_IEs));
if (p && len > 0) {
pht_capie = (struct ieee80211_ht_cap *)(p + 2);
max_ampdu_sz = (pht_capie->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR);
/* max_ampdu_sz (kbytes); */
max_ampdu_sz = 1 << (max_ampdu_sz + 3);
phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
}
/* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
* wstart_b(indicate_seq) to default value=0xffff
* todo: check if AP can send A-MPDU packets
*/
bmc_sta = r8712_get_bcmc_stainfo(padapter);
if (bmc_sta) {
for (i = 0; i < 16; i++) {
preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->wend_b = 0xffff;
}
}
psta = r8712_get_stainfo(&padapter->stapriv,
pcur_network->network.MacAddress);
if (psta) {
for (i = 0; i < 16; i++) {
preorder_ctrl = &psta->recvreorder_ctrl[i];
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->wend_b = 0xffff;
}
}
len = 0;
p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
WLAN_EID_HT_OPERATION, &len,
ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
}
void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
if (!phtpriv->baddbareq_issued[priority]) {
r8712_addbareq_cmd(padapter, (u8)priority);
phtpriv->baddbareq_issued[priority] = true;
}
}
}
| linux-master | drivers/staging/rtl8712/rtl871x_mlme.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _HAL_INIT_C_
#include <linux/usb.h>
#include <linux/device.h>
#include <linux/usb/ch9.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "usb_osintf.h"
#define FWBUFF_ALIGN_SZ 512
#define MAX_DUMP_FWSZ (48 * 1024)
static void rtl871x_load_fw_fail(struct _adapter *adapter)
{
struct usb_device *udev = adapter->dvobjpriv.pusbdev;
struct device *dev = &udev->dev;
struct device *parent = dev->parent;
complete(&adapter->rtl8712_fw_ready);
dev_err(&udev->dev, "r8712u: Firmware request failed\n");
if (parent)
device_lock(parent);
device_release_driver(dev);
if (parent)
device_unlock(parent);
}
static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
{
struct _adapter *adapter = context;
if (!firmware) {
rtl871x_load_fw_fail(adapter);
return;
}
adapter->fw = firmware;
/* firmware available - start netdev */
register_netdev(adapter->pnetdev);
complete(&adapter->rtl8712_fw_ready);
}
static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
int rtl871x_load_fw(struct _adapter *padapter)
{
struct device *dev = &padapter->dvobjpriv.pusbdev->dev;
int rc;
init_completion(&padapter->rtl8712_fw_ready);
dev_info(dev, "r8712u: Loading firmware from \"%s\"\n", firmware_file);
rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev,
GFP_KERNEL, padapter, rtl871x_load_fw_cb);
if (rc)
dev_err(dev, "r8712u: Firmware request error %d\n", rc);
return rc;
}
MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
static u32 rtl871x_open_fw(struct _adapter *adapter, const u8 **mappedfw)
{
if (adapter->fw->size > 200000) {
dev_err(&adapter->pnetdev->dev, "r8712u: Bad fw->size of %zu\n",
adapter->fw->size);
return 0;
}
*mappedfw = adapter->fw->data;
return adapter->fw->size;
}
static void fill_fwpriv(struct _adapter *adapter, struct fw_priv *fwpriv)
{
struct dvobj_priv *dvobj = &adapter->dvobjpriv;
struct registry_priv *regpriv = &adapter->registrypriv;
memset(fwpriv, 0, sizeof(struct fw_priv));
/* todo: check if needs endian conversion */
fwpriv->hci_sel = RTL8712_HCI_TYPE_72USB;
fwpriv->usb_ep_num = (u8)dvobj->nr_endpoint;
fwpriv->bw_40MHz_en = regpriv->cbw40_enable;
switch (regpriv->rf_config) {
case RTL8712_RF_1T1R:
fwpriv->rf_config = RTL8712_RFC_1T1R;
break;
case RTL8712_RF_2T2R:
fwpriv->rf_config = RTL8712_RFC_2T2R;
break;
case RTL8712_RF_1T2R:
default:
fwpriv->rf_config = RTL8712_RFC_1T2R;
}
fwpriv->mp_mode = (regpriv->mp_mode == 1);
/* 0:off 1:on 2:auto */
fwpriv->vcs_type = regpriv->vrtl_carrier_sense;
fwpriv->vcs_mode = regpriv->vcs_type; /* 1:RTS/CTS 2:CTS to self */
/* default enable turbo_mode */
fwpriv->turbo_mode = (regpriv->wifi_test != 1);
fwpriv->low_power_mode = regpriv->low_power;
}
static void update_fwhdr(struct fw_hdr *pfwhdr, const u8 *pmappedfw)
{
pfwhdr->signature = le16_to_cpu(*(__le16 *)pmappedfw);
pfwhdr->version = le16_to_cpu(*(__le16 *)(pmappedfw + 2));
/* define the size of boot loader */
pfwhdr->dmem_size = le32_to_cpu(*(__le32 *)(pmappedfw + 4));
/* define the size of FW in IMEM */
pfwhdr->img_IMEM_size = le32_to_cpu(*(__le32 *)(pmappedfw + 8));
/* define the size of FW in SRAM */
pfwhdr->img_SRAM_size = le32_to_cpu(*(__le32 *)(pmappedfw + 12));
/* define the size of DMEM variable */
pfwhdr->fw_priv_sz = le32_to_cpu(*(__le32 *)(pmappedfw + 16));
}
static u8 chk_fwhdr(struct fw_hdr *pfwhdr, u32 ulfilelength)
{
u32 fwhdrsz, fw_sz;
/* check signature */
if ((pfwhdr->signature != 0x8712) && (pfwhdr->signature != 0x8192))
return _FAIL;
/* check fw_priv_sze & sizeof(struct fw_priv) */
if (pfwhdr->fw_priv_sz != sizeof(struct fw_priv))
return _FAIL;
/* check fw_sz & image_fw_sz */
fwhdrsz = offsetof(struct fw_hdr, fwpriv) + pfwhdr->fw_priv_sz;
fw_sz = fwhdrsz + pfwhdr->img_IMEM_size + pfwhdr->img_SRAM_size +
pfwhdr->dmem_size;
if (fw_sz != ulfilelength)
return _FAIL;
return _SUCCESS;
}
static u8 rtl8712_dl_fw(struct _adapter *adapter)
{
sint i;
u8 tmp8, tmp8_a;
u16 tmp16;
u32 maxlen = 0; /* for compare usage */
uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
struct fw_hdr fwhdr;
u32 ulfilelength; /* FW file size */
const u8 *mappedfw = NULL;
u8 *tmpchar = NULL, *payload, *ptr;
struct tx_desc *txdesc;
u32 txdscp_sz = sizeof(struct tx_desc);
u8 ret = _FAIL;
ulfilelength = rtl871x_open_fw(adapter, &mappedfw);
if (mappedfw && (ulfilelength > 0)) {
update_fwhdr(&fwhdr, mappedfw);
if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
return ret;
fill_fwpriv(adapter, &fwhdr.fwpriv);
/* firmware check ok */
maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
fwhdr.img_IMEM_size : fwhdr.img_SRAM_size;
maxlen += txdscp_sz;
tmpchar = kmalloc(maxlen + FWBUFF_ALIGN_SZ, GFP_KERNEL);
if (!tmpchar)
return ret;
txdesc = (struct tx_desc *)(tmpchar + FWBUFF_ALIGN_SZ -
((addr_t)(tmpchar) & (FWBUFF_ALIGN_SZ - 1)));
payload = (u8 *)(txdesc) + txdscp_sz;
ptr = (u8 *)mappedfw + offsetof(struct fw_hdr, fwpriv) +
fwhdr.fw_priv_sz;
/* Download FirmWare */
/* 1. determine IMEM code size and Load IMEM Code Section */
imem_sz = fwhdr.img_IMEM_size;
do {
memset(txdesc, 0, TXDESC_SIZE);
if (imem_sz > MAX_DUMP_FWSZ/*49152*/) {
dump_imem_sz = MAX_DUMP_FWSZ;
} else {
dump_imem_sz = imem_sz;
txdesc->txdw0 |= cpu_to_le32(BIT(28));
}
txdesc->txdw0 |= cpu_to_le32(dump_imem_sz &
0x0000ffff);
memcpy(payload, ptr, dump_imem_sz);
r8712_write_mem(adapter, RTL8712_DMA_VOQ,
dump_imem_sz + TXDESC_SIZE,
(u8 *)txdesc);
ptr += dump_imem_sz;
imem_sz -= dump_imem_sz;
} while (imem_sz > 0);
i = 10;
tmp16 = r8712_read16(adapter, TCR);
while (((tmp16 & _IMEM_CODE_DONE) == 0) && (i > 0)) {
usleep_range(10, 1000);
tmp16 = r8712_read16(adapter, TCR);
i--;
}
if (i == 0 || (tmp16 & _IMEM_CHK_RPT) == 0)
goto exit_fail;
/* 2.Download EMEM code size and Load EMEM Code Section */
emem_sz = fwhdr.img_SRAM_size;
do {
memset(txdesc, 0, TXDESC_SIZE);
if (emem_sz > MAX_DUMP_FWSZ) { /* max=48k */
dump_emem_sz = MAX_DUMP_FWSZ;
} else {
dump_emem_sz = emem_sz;
txdesc->txdw0 |= cpu_to_le32(BIT(28));
}
txdesc->txdw0 |= cpu_to_le32(dump_emem_sz &
0x0000ffff);
memcpy(payload, ptr, dump_emem_sz);
r8712_write_mem(adapter, RTL8712_DMA_VOQ,
dump_emem_sz + TXDESC_SIZE,
(u8 *)txdesc);
ptr += dump_emem_sz;
emem_sz -= dump_emem_sz;
} while (emem_sz > 0);
i = 5;
tmp16 = r8712_read16(adapter, TCR);
while (((tmp16 & _EMEM_CODE_DONE) == 0) && (i > 0)) {
usleep_range(10, 1000);
tmp16 = r8712_read16(adapter, TCR);
i--;
}
if (i == 0 || (tmp16 & _EMEM_CHK_RPT) == 0)
goto exit_fail;
/* 3.Enable CPU */
tmp8 = r8712_read8(adapter, SYS_CLKR);
r8712_write8(adapter, SYS_CLKR, tmp8 | BIT(2));
tmp8_a = r8712_read8(adapter, SYS_CLKR);
if (tmp8_a != (tmp8 | BIT(2)))
goto exit_fail;
tmp8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, tmp8 | BIT(2));
tmp8_a = r8712_read8(adapter, SYS_FUNC_EN + 1);
if (tmp8_a != (tmp8 | BIT(2)))
goto exit_fail;
r8712_read32(adapter, TCR);
/* 4.polling IMEM Ready */
i = 100;
tmp16 = r8712_read16(adapter, TCR);
while (((tmp16 & _IMEM_RDY) == 0) && (i > 0)) {
msleep(20);
tmp16 = r8712_read16(adapter, TCR);
i--;
}
if (i == 0) {
r8712_write16(adapter, 0x10250348, 0xc000);
r8712_write16(adapter, 0x10250348, 0xc001);
r8712_write16(adapter, 0x10250348, 0x2000);
r8712_write16(adapter, 0x10250348, 0x2001);
r8712_write16(adapter, 0x10250348, 0x2002);
r8712_write16(adapter, 0x10250348, 0x2003);
goto exit_fail;
}
/* 5.Download DMEM code size and Load EMEM Code Section */
memset(txdesc, 0, TXDESC_SIZE);
txdesc->txdw0 |= cpu_to_le32(fwhdr.fw_priv_sz & 0x0000ffff);
txdesc->txdw0 |= cpu_to_le32(BIT(28));
memcpy(payload, &fwhdr.fwpriv, fwhdr.fw_priv_sz);
r8712_write_mem(adapter, RTL8712_DMA_VOQ,
fwhdr.fw_priv_sz + TXDESC_SIZE, (u8 *)txdesc);
/* polling dmem code done */
i = 100;
tmp16 = r8712_read16(adapter, TCR);
while (((tmp16 & _DMEM_CODE_DONE) == 0) && (i > 0)) {
msleep(20);
tmp16 = r8712_read16(adapter, TCR);
i--;
}
if (i == 0)
goto exit_fail;
tmp8 = r8712_read8(adapter, 0x1025000A);
if (tmp8 & BIT(4)) /* When boot from EEPROM,
* & FW need more time to read EEPROM
*/
i = 60;
else /* boot from EFUSE */
i = 30;
tmp16 = r8712_read16(adapter, TCR);
while (((tmp16 & _FWRDY) == 0) && (i > 0)) {
msleep(100);
tmp16 = r8712_read16(adapter, TCR);
i--;
}
if (i == 0)
goto exit_fail;
} else {
goto exit_fail;
}
ret = _SUCCESS;
exit_fail:
kfree(tmpchar);
return ret;
}
uint rtl8712_hal_init(struct _adapter *padapter)
{
u32 val32;
int i;
/* r8712 firmware download */
if (rtl8712_dl_fw(padapter) != _SUCCESS)
return _FAIL;
netdev_info(padapter->pnetdev, "1 RCR=0x%x\n",
r8712_read32(padapter, RCR));
val32 = r8712_read32(padapter, RCR);
r8712_write32(padapter, RCR, (val32 | BIT(26))); /* Enable RX TCP
* Checksum offload
*/
netdev_info(padapter->pnetdev, "2 RCR=0x%x\n",
r8712_read32(padapter, RCR));
val32 = r8712_read32(padapter, RCR);
r8712_write32(padapter, RCR, (val32 | BIT(25))); /* Append PHY status */
val32 = r8712_read32(padapter, 0x10250040);
r8712_write32(padapter, 0x10250040, (val32 & 0x00FFFFFF));
/* for usb rx aggregation */
r8712_write8(padapter, 0x102500B5, r8712_read8(padapter, 0x102500B5) |
BIT(0)); /* page = 128bytes */
r8712_write8(padapter, 0x102500BD, r8712_read8(padapter, 0x102500BD) |
BIT(7)); /* enable usb rx aggregation */
r8712_write8(padapter, 0x102500D9, 1); /* TH=1 => means that invalidate
* usb rx aggregation
*/
r8712_write8(padapter, 0x1025FE5B, 0x04); /* 1.7ms/4 */
/* Fix the RX FIFO issue(USB error) */
r8712_write8(padapter, 0x1025fe5C, r8712_read8(padapter, 0x1025fe5C)
| BIT(7));
for (i = 0; i < ETH_ALEN; i++)
padapter->eeprompriv.mac_addr[i] = r8712_read8(padapter,
MACID + i);
return _SUCCESS;
}
uint rtl8712_hal_deinit(struct _adapter *padapter)
{
r8712_write8(padapter, RF_CTRL, 0x00);
/* Turn off BB */
msleep(20);
/* Turn off MAC */
r8712_write8(padapter, SYS_CLKR + 1, 0x38); /* Switch Control Path */
r8712_write8(padapter, SYS_FUNC_EN + 1, 0x70);
r8712_write8(padapter, PMC_FSM, 0x06); /* Enable Loader Data Keep */
r8712_write8(padapter, SYS_ISO_CTRL, 0xF9); /* Isolation signals from
* CORE, PLL
*/
r8712_write8(padapter, SYS_ISO_CTRL + 1, 0xe8); /* Enable EFUSE 1.2V */
r8712_write8(padapter, AFE_PLL_CTRL, 0x00); /* Disable AFE PLL. */
r8712_write8(padapter, LDOA15_CTRL, 0x54); /* Disable A15V */
r8712_write8(padapter, SYS_FUNC_EN + 1, 0x50); /* Disable E-Fuse 1.2V */
r8712_write8(padapter, LDOV12D_CTRL, 0x24); /* Disable LDO12(for CE) */
r8712_write8(padapter, AFE_MISC, 0x30); /* Disable AFE BG&MB */
/* Option for Disable 1.6V LDO. */
r8712_write8(padapter, SPS0_CTRL, 0x56); /* Disable 1.6V LDO */
r8712_write8(padapter, SPS0_CTRL + 1, 0x43); /* Set SW PFM */
return _SUCCESS;
}
uint rtl871x_hal_init(struct _adapter *padapter)
{
padapter->hw_init_completed = false;
if (!padapter->halpriv.hal_bus_init)
return _FAIL;
if (padapter->halpriv.hal_bus_init(padapter) != _SUCCESS)
return _FAIL;
if (rtl8712_hal_init(padapter) == _SUCCESS) {
padapter->hw_init_completed = true;
} else {
padapter->hw_init_completed = false;
return _FAIL;
}
return _SUCCESS;
}
| linux-master | drivers/staging/rtl8712/hal_init.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* usb_ops_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _HCI_OPS_OS_C_
#include <linux/usb.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"
#include "usb_ops.h"
#define RTL871X_VENQT_READ 0xc0
#define RTL871X_VENQT_WRITE 0x40
struct zero_bulkout_context {
void *pbuf;
void *purb;
void *pirp;
void *padapter;
};
uint r8712_usb_init_intf_priv(struct intf_priv *pintfpriv)
{
pintfpriv->piorw_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!pintfpriv->piorw_urb)
return _FAIL;
init_completion(&pintfpriv->io_retevt_comp);
return _SUCCESS;
}
void r8712_usb_unload_intf_priv(struct intf_priv *pintfpriv)
{
if (pintfpriv->piorw_urb) {
usb_kill_urb(pintfpriv->piorw_urb);
usb_free_urb(pintfpriv->piorw_urb);
}
}
static unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
{
unsigned int pipe = 0;
struct usb_device *pusbd = pdvobj->pusbdev;
if (pdvobj->nr_endpoint == 11) {
switch (addr) {
case RTL8712_DMA_BKQ:
pipe = usb_sndbulkpipe(pusbd, 0x07);
break;
case RTL8712_DMA_BEQ:
pipe = usb_sndbulkpipe(pusbd, 0x06);
break;
case RTL8712_DMA_VIQ:
pipe = usb_sndbulkpipe(pusbd, 0x05);
break;
case RTL8712_DMA_VOQ:
pipe = usb_sndbulkpipe(pusbd, 0x04);
break;
case RTL8712_DMA_BCNQ:
pipe = usb_sndbulkpipe(pusbd, 0x0a);
break;
case RTL8712_DMA_BMCQ: /* HI Queue */
pipe = usb_sndbulkpipe(pusbd, 0x0b);
break;
case RTL8712_DMA_MGTQ:
pipe = usb_sndbulkpipe(pusbd, 0x0c);
break;
case RTL8712_DMA_RX0FF:
pipe = usb_rcvbulkpipe(pusbd, 0x03); /* in */
break;
case RTL8712_DMA_C2HCMD:
pipe = usb_rcvbulkpipe(pusbd, 0x09); /* in */
break;
case RTL8712_DMA_H2CCMD:
pipe = usb_sndbulkpipe(pusbd, 0x0d);
break;
}
} else if (pdvobj->nr_endpoint == 6) {
switch (addr) {
case RTL8712_DMA_BKQ:
pipe = usb_sndbulkpipe(pusbd, 0x07);
break;
case RTL8712_DMA_BEQ:
pipe = usb_sndbulkpipe(pusbd, 0x06);
break;
case RTL8712_DMA_VIQ:
pipe = usb_sndbulkpipe(pusbd, 0x05);
break;
case RTL8712_DMA_VOQ:
pipe = usb_sndbulkpipe(pusbd, 0x04);
break;
case RTL8712_DMA_RX0FF:
case RTL8712_DMA_C2HCMD:
pipe = usb_rcvbulkpipe(pusbd, 0x03); /* in */
break;
case RTL8712_DMA_H2CCMD:
case RTL8712_DMA_BCNQ:
case RTL8712_DMA_BMCQ:
case RTL8712_DMA_MGTQ:
pipe = usb_sndbulkpipe(pusbd, 0x0d);
break;
}
} else if (pdvobj->nr_endpoint == 4) {
switch (addr) {
case RTL8712_DMA_BEQ:
pipe = usb_sndbulkpipe(pusbd, 0x06);
break;
case RTL8712_DMA_VOQ:
pipe = usb_sndbulkpipe(pusbd, 0x04);
break;
case RTL8712_DMA_RX0FF:
case RTL8712_DMA_C2HCMD:
pipe = usb_rcvbulkpipe(pusbd, 0x03); /* in */
break;
case RTL8712_DMA_H2CCMD:
case RTL8712_DMA_BCNQ:
case RTL8712_DMA_BMCQ:
case RTL8712_DMA_MGTQ:
pipe = usb_sndbulkpipe(pusbd, 0x0d);
break;
}
} else {
pipe = 0;
}
return pipe;
}
static void usb_write_mem_complete(struct urb *purb)
{
struct io_queue *pio_q = (struct io_queue *)purb->context;
struct intf_hdl *pintf = &(pio_q->intf);
struct intf_priv *pintfpriv = pintf->pintfpriv;
struct _adapter *padapter = (struct _adapter *)pintf->adapter;
if (purb->status != 0) {
if (purb->status == (-ESHUTDOWN))
padapter->driver_stopped = true;
else
padapter->surprise_removed = true;
}
complete(&pintfpriv->io_retevt_comp);
}
void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
{
unsigned int pipe;
struct _adapter *padapter = (struct _adapter *)pintfhdl->adapter;
struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
struct io_queue *pio_queue = padapter->pio_queue;
struct dvobj_priv *pdvobj = (struct dvobj_priv *)pintfpriv->intf_dev;
struct usb_device *pusbd = pdvobj->pusbdev;
struct urb *piorw_urb = pintfpriv->piorw_urb;
if ((padapter->driver_stopped) || (padapter->surprise_removed) ||
(padapter->pwrctrlpriv.pnp_bstop_trx))
return;
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
if (pipe == 0)
return;
usb_fill_bulk_urb(piorw_urb, pusbd, pipe,
wmem, cnt, usb_write_mem_complete,
pio_queue);
usb_submit_urb(piorw_urb, GFP_ATOMIC);
wait_for_completion_interruptible(&pintfpriv->io_retevt_comp);
}
static void r8712_usb_read_port_complete(struct urb *purb)
{
uint isevt;
__le32 *pbuf;
struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
struct _adapter *padapter = (struct _adapter *)precvbuf->adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
if (padapter->surprise_removed || padapter->driver_stopped)
return;
if (purb->status == 0) { /* SUCCESS */
if ((purb->actual_length > (MAX_RECVBUF_SZ)) ||
(purb->actual_length < RXDESC_SIZE)) {
r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,
(unsigned char *)precvbuf);
} else {
_pkt *pskb = precvbuf->pskb;
precvbuf->transfer_len = purb->actual_length;
pbuf = (__le32 *)precvbuf->pbuf;
isevt = le32_to_cpu(*(pbuf + 1)) & 0x1ff;
if ((isevt & 0x1ff) == 0x1ff) {
r8712_rxcmd_event_hdl(padapter, pbuf);
skb_queue_tail(&precvpriv->rx_skb_queue, pskb);
r8712_read_port(padapter, precvpriv->ff_hwaddr,
0, (unsigned char *)precvbuf);
} else {
skb_put(pskb, purb->actual_length);
skb_queue_tail(&precvpriv->rx_skb_queue, pskb);
tasklet_hi_schedule(&precvpriv->recv_tasklet);
r8712_read_port(padapter, precvpriv->ff_hwaddr,
0, (unsigned char *)precvbuf);
}
}
} else {
switch (purb->status) {
case -EINVAL:
case -EPIPE:
case -ENODEV:
case -ESHUTDOWN:
padapter->driver_stopped = true;
break;
case -ENOENT:
if (!padapter->suspended) {
padapter->driver_stopped = true;
break;
}
fallthrough;
case -EPROTO:
r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,
(unsigned char *)precvbuf);
break;
case -EINPROGRESS:
netdev_err(padapter->pnetdev, "ERROR: URB IS IN PROGRESS!\n");
break;
default:
break;
}
}
}
u32 r8712_usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
{
unsigned int pipe;
int err;
u32 tmpaddr = 0;
int alignment = 0;
u32 ret = _SUCCESS;
struct urb *purb = NULL;
struct recv_buf *precvbuf = (struct recv_buf *)rmem;
struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
struct dvobj_priv *pdvobj = (struct dvobj_priv *)pintfpriv->intf_dev;
struct _adapter *adapter = pdvobj->padapter;
struct recv_priv *precvpriv = &adapter->recvpriv;
struct usb_device *pusbd = pdvobj->pusbdev;
if (adapter->driver_stopped || adapter->surprise_removed ||
adapter->pwrctrlpriv.pnp_bstop_trx || !precvbuf)
return _FAIL;
r8712_init_recvbuf(adapter, precvbuf);
/* Try to use skb from the free queue */
precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
if (!precvbuf->pskb) {
precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev,
MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
if (!precvbuf->pskb)
return _FAIL;
tmpaddr = (addr_t)precvbuf->pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
skb_reserve(precvbuf->pskb,
(RECVBUFF_ALIGN_SZ - alignment));
precvbuf->phead = precvbuf->pskb->head;
precvbuf->pdata = precvbuf->pskb->data;
precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
precvbuf->pend = skb_end_pointer(precvbuf->pskb);
precvbuf->pbuf = precvbuf->pskb->data;
} else { /* skb is reused */
precvbuf->phead = precvbuf->pskb->head;
precvbuf->pdata = precvbuf->pskb->data;
precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
precvbuf->pend = skb_end_pointer(precvbuf->pskb);
precvbuf->pbuf = precvbuf->pskb->data;
}
purb = precvbuf->purb;
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
usb_fill_bulk_urb(purb, pusbd, pipe,
precvbuf->pbuf, MAX_RECVBUF_SZ,
r8712_usb_read_port_complete,
precvbuf);
err = usb_submit_urb(purb, GFP_ATOMIC);
if ((err) && (err != (-EPERM)))
ret = _FAIL;
return ret;
}
void r8712_usb_read_port_cancel(struct _adapter *padapter)
{
int i;
struct recv_buf *precvbuf;
precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
for (i = 0; i < NR_RECVBUFF; i++) {
if (precvbuf->purb)
usb_kill_urb(precvbuf->purb);
precvbuf++;
}
}
void r8712_xmit_bh(struct tasklet_struct *t)
{
int ret = false;
struct _adapter *padapter = from_tasklet(padapter, t,
xmitpriv.xmit_tasklet);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
if (padapter->driver_stopped ||
padapter->surprise_removed) {
netdev_err(padapter->pnetdev, "xmit_bh => driver_stopped or surprise_removed\n");
return;
}
ret = r8712_xmitframe_complete(padapter, pxmitpriv, NULL);
if (!ret)
return;
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
}
static void usb_write_port_complete(struct urb *purb)
{
int i;
struct xmit_frame *pxmitframe = (struct xmit_frame *)purb->context;
struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
struct _adapter *padapter = pxmitframe->padapter;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
switch (pattrib->priority) {
case 1:
case 2:
pxmitpriv->bkq_cnt--;
break;
case 4:
case 5:
pxmitpriv->viq_cnt--;
break;
case 6:
case 7:
pxmitpriv->voq_cnt--;
break;
case 0:
case 3:
default:
pxmitpriv->beq_cnt--;
break;
}
pxmitpriv->txirp_cnt--;
for (i = 0; i < 8; i++) {
if (purb == pxmitframe->pxmit_urb[i]) {
pxmitframe->bpending[i] = false;
break;
}
}
if (padapter->surprise_removed)
return;
switch (purb->status) {
case 0:
break;
default:
netdev_warn(padapter->pnetdev,
"r8712u: pipe error: (%d)\n", purb->status);
break;
}
/* not to consider tx fragment */
r8712_free_xmitframe_ex(pxmitpriv, pxmitframe);
r8712_free_xmitbuf(pxmitpriv, pxmitbuf);
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
}
u32 r8712_usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
{
unsigned long irqL;
int i, status;
unsigned int pipe;
u32 ret, bwritezero;
struct urb *purb = NULL;
struct _adapter *padapter = (struct _adapter *)pintfhdl->adapter;
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_frame *pxmitframe = (struct xmit_frame *)wmem;
struct usb_device *pusbd = pdvobj->pusbdev;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
if ((padapter->driver_stopped) || (padapter->surprise_removed) ||
(padapter->pwrctrlpriv.pnp_bstop_trx))
return _FAIL;
for (i = 0; i < 8; i++) {
if (!pxmitframe->bpending[i]) {
spin_lock_irqsave(&pxmitpriv->lock, irqL);
pxmitpriv->txirp_cnt++;
pxmitframe->bpending[i] = true;
switch (pattrib->priority) {
case 1:
case 2:
pxmitpriv->bkq_cnt++;
break;
case 4:
case 5:
pxmitpriv->viq_cnt++;
break;
case 6:
case 7:
pxmitpriv->voq_cnt++;
break;
case 0:
case 3:
default:
pxmitpriv->beq_cnt++;
break;
}
spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
pxmitframe->sz[i] = (u16)cnt;
purb = pxmitframe->pxmit_urb[i];
break;
}
}
bwritezero = false;
if (pdvobj->ishighspeed) {
if (cnt > 0 && cnt % 512 == 0)
bwritezero = true;
} else {
if (cnt > 0 && cnt % 64 == 0)
bwritezero = true;
}
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
if (pxmitpriv->free_xmitbuf_cnt % NR_XMITBUFF == 0)
purb->transfer_flags &= (~URB_NO_INTERRUPT);
else
purb->transfer_flags |= URB_NO_INTERRUPT;
if (bwritezero)
cnt += 8;
usb_fill_bulk_urb(purb, pusbd, pipe,
pxmitframe->mem_addr,
cnt, usb_write_port_complete,
pxmitframe); /* context is xmit_frame */
status = usb_submit_urb(purb, GFP_ATOMIC);
if (!status)
ret = _SUCCESS;
else
ret = _FAIL;
return ret;
}
void r8712_usb_write_port_cancel(struct _adapter *padapter)
{
int i, j;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)
padapter->xmitpriv.pxmitbuf;
for (i = 0; i < NR_XMITBUFF; i++) {
for (j = 0; j < 8; j++) {
if (pxmitbuf->pxmit_urb[j])
usb_kill_urb(pxmitbuf->pxmit_urb[j]);
}
pxmitbuf++;
}
}
int r8712_usbctrl_vendorreq(struct intf_priv *pintfpriv, u8 request, u16 value,
u16 index, void *pdata, u16 len, u8 requesttype)
{
unsigned int pipe;
int status;
u8 reqtype;
struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *)
pintfpriv->intf_dev;
struct usb_device *udev = pdvobjpriv->pusbdev;
/* For mstar platform, mstar suggests the address for USB IO
* should be 16 bytes alignment. Trying to fix it here.
*/
u8 *palloc_buf, *pIo_buf;
palloc_buf = kmalloc((u32)len + 16, GFP_ATOMIC);
if (!palloc_buf)
return -ENOMEM;
pIo_buf = palloc_buf + 16 - ((addr_t)(palloc_buf) & 0x0f);
if (requesttype == 0x01) {
pipe = usb_rcvctrlpipe(udev, 0); /* read_in */
reqtype = RTL871X_VENQT_READ;
} else {
pipe = usb_sndctrlpipe(udev, 0); /* write_out */
reqtype = RTL871X_VENQT_WRITE;
memcpy(pIo_buf, pdata, len);
}
status = usb_control_msg(udev, pipe, request, reqtype, value, index,
pIo_buf, len, 500);
if (status < 0)
goto free;
if (status != len) {
status = -EREMOTEIO;
goto free;
}
/* Success this control transfer. */
if (requesttype == 0x01) {
/* For Control read transfer, we have to copy the read
* data from pIo_buf to pdata.
*/
memcpy(pdata, pIo_buf, status);
}
free:
kfree(palloc_buf);
return status;
}
| linux-master | drivers/staging/rtl8712/usb_ops_linux.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_pwrctrl.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_PWRCTRL_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"
#define RTL8712_SDIO_LOCAL_BASE 0X10100000
#define SDIO_HCPWM (RTL8712_SDIO_LOCAL_BASE + 0x0081)
void r8712_set_rpwm(struct _adapter *padapter, u8 val8)
{
u8 rpwm;
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
if (pwrpriv->rpwm == val8) {
if (pwrpriv->rpwm_retry == 0)
return;
}
if (padapter->driver_stopped || padapter->surprise_removed)
return;
rpwm = val8 | pwrpriv->tog;
switch (val8) {
case PS_STATE_S1:
pwrpriv->cpwm = val8;
break;
case PS_STATE_S2:/* only for USB normal powersave mode use,
* temp mark some code.
*/
case PS_STATE_S3:
case PS_STATE_S4:
pwrpriv->cpwm = val8;
break;
default:
break;
}
pwrpriv->rpwm_retry = 0;
pwrpriv->rpwm = val8;
r8712_write8(padapter, 0x1025FE58, rpwm);
pwrpriv->tog += 0x80;
}
void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode, uint smart_ps)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
if (ps_mode > PM_Card_Disable)
return;
/* if driver is in active state, we dont need set smart_ps.*/
if (ps_mode == PS_MODE_ACTIVE)
smart_ps = 0;
if ((pwrpriv->pwr_mode != ps_mode) || (pwrpriv->smart_ps != smart_ps)) {
if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
pwrpriv->bSleep = true;
else
pwrpriv->bSleep = false;
pwrpriv->pwr_mode = ps_mode;
pwrpriv->smart_ps = smart_ps;
schedule_work(&pwrpriv->SetPSModeWorkItem);
}
}
/*
* Caller:ISR handler...
*
* This will be called when CPWM interrupt is up.
*
* using to update cpwn of drv; and drv will make a decision to up or
* down pwr level
*/
void r8712_cpwm_int_hdl(struct _adapter *padapter,
struct reportpwrstate_parm *preportpwrstate)
{
struct pwrctrl_priv *pwrpriv = &(padapter->pwrctrlpriv);
struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
if (pwrpriv->cpwm_tog == ((preportpwrstate->state) & 0x80))
return;
del_timer(&padapter->pwrctrlpriv.rpwm_check_timer);
mutex_lock(&pwrpriv->mutex_lock);
pwrpriv->cpwm = (preportpwrstate->state) & 0xf;
if (pwrpriv->cpwm >= PS_STATE_S2) {
if (pwrpriv->alives & CMD_ALIVE)
complete(&(pcmdpriv->cmd_queue_comp));
}
pwrpriv->cpwm_tog = (preportpwrstate->state) & 0x80;
mutex_unlock(&pwrpriv->mutex_lock);
}
static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, uint tag)
{
pwrctrl->alives |= tag;
}
static inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, uint tag)
{
if (pwrctrl->alives & tag)
pwrctrl->alives ^= tag;
}
static void _rpwm_check_handler (struct _adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
if (padapter->driver_stopped || padapter->surprise_removed)
return;
if (pwrpriv->cpwm != pwrpriv->rpwm)
schedule_work(&pwrpriv->rpwm_workitem);
}
static void SetPSModeWorkItemCallback(struct work_struct *work)
{
struct pwrctrl_priv *pwrpriv = container_of(work,
struct pwrctrl_priv, SetPSModeWorkItem);
struct _adapter *padapter = container_of(pwrpriv,
struct _adapter, pwrctrlpriv);
if (!pwrpriv->bSleep) {
mutex_lock(&pwrpriv->mutex_lock);
if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
r8712_set_rpwm(padapter, PS_STATE_S4);
mutex_unlock(&pwrpriv->mutex_lock);
}
}
static void rpwm_workitem_callback(struct work_struct *work)
{
struct pwrctrl_priv *pwrpriv = container_of(work,
struct pwrctrl_priv, rpwm_workitem);
struct _adapter *padapter = container_of(pwrpriv,
struct _adapter, pwrctrlpriv);
if (pwrpriv->cpwm != pwrpriv->rpwm) {
mutex_lock(&pwrpriv->mutex_lock);
r8712_read8(padapter, SDIO_HCPWM);
pwrpriv->rpwm_retry = 1;
r8712_set_rpwm(padapter, pwrpriv->rpwm);
mutex_unlock(&pwrpriv->mutex_lock);
}
}
static void rpwm_check_handler (struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t, pwrctrlpriv.rpwm_check_timer);
_rpwm_check_handler(adapter);
}
void r8712_init_pwrctrl_priv(struct _adapter *padapter)
{
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv));
mutex_init(&pwrctrlpriv->mutex_lock);
pwrctrlpriv->cpwm = PS_STATE_S4;
pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
pwrctrlpriv->smart_ps = 0;
pwrctrlpriv->tog = 0x80;
/* clear RPWM to ensure driver and fw back to initial state. */
r8712_write8(padapter, 0x1025FE58, 0);
INIT_WORK(&pwrctrlpriv->SetPSModeWorkItem, SetPSModeWorkItemCallback);
INIT_WORK(&pwrctrlpriv->rpwm_workitem, rpwm_workitem_callback);
timer_setup(&pwrctrlpriv->rpwm_check_timer, rpwm_check_handler, 0);
}
/*
* Caller: r8712_cmd_thread
* Check if the fw_pwrstate is okay for issuing cmd.
* If not (cpwm should be is less than P2 state), then the sub-routine
* will raise the cpwm to be greater than or equal to P2.
* Calling Context: Passive
* Return Value:
* 0: r8712_cmd_thread can issue cmds to firmware afterwards.
* -EINVAL: r8712_cmd_thread can not do anything.
*/
int r8712_register_cmd_alive(struct _adapter *padapter)
{
int res = 0;
struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv;
mutex_lock(&pwrctrl->mutex_lock);
register_task_alive(pwrctrl, CMD_ALIVE);
if (pwrctrl->cpwm < PS_STATE_S2) {
r8712_set_rpwm(padapter, PS_STATE_S3);
res = -EINVAL;
}
mutex_unlock(&pwrctrl->mutex_lock);
return res;
}
/*
* Caller: ISR
* If ISR's txdone,
* No more pkts for TX,
* Then driver shall call this fun. to power down firmware again.
*/
void r8712_unregister_cmd_alive(struct _adapter *padapter)
{
struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv;
mutex_lock(&pwrctrl->mutex_lock);
unregister_task_alive(pwrctrl, CMD_ALIVE);
if ((pwrctrl->cpwm > PS_STATE_S2) &&
(pwrctrl->pwr_mode > PS_MODE_ACTIVE)) {
if ((pwrctrl->alives == 0) &&
(check_fwstate(&padapter->mlmepriv,
_FW_UNDER_LINKING) != true)) {
r8712_set_rpwm(padapter, PS_STATE_S0);
}
}
mutex_unlock(&pwrctrl->mutex_lock);
}
void r8712_flush_rwctrl_works(struct _adapter *padapter)
{
struct pwrctrl_priv *pwrctrl = &padapter->pwrctrlpriv;
flush_work(&pwrctrl->SetPSModeWorkItem);
flush_work(&pwrctrl->rpwm_workitem);
}
| linux-master | drivers/staging/rtl8712/rtl871x_pwrctrl.c |
// SPDX-License-Identifier: GPL-2.0
/*
* rtl8712_efuse.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL8712_EFUSE_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "rtl8712_efuse.h"
/* reserve 3 bytes for HW stop read */
static int efuse_available_max_size = EFUSE_MAX_SIZE - 3 /*0x1FD*/;
static void efuse_reg_ctrl(struct _adapter *adapter, u8 bPowerOn)
{
u8 tmpu8 = 0;
if (bPowerOn) {
/* -----------------e-fuse pwr & clk reg ctrl ---------------
* Enable LDOE25 Macro Block
*/
tmpu8 = r8712_read8(adapter, EFUSE_TEST + 3);
tmpu8 |= 0x80;
r8712_write8(adapter, EFUSE_TEST + 3, tmpu8);
msleep(20); /* for some platform , need some delay time */
/* Change Efuse Clock for write action to 40MHZ */
r8712_write8(adapter, EFUSE_CLK_CTRL, 0x03);
msleep(20); /* for some platform , need some delay time */
} else {
/* -----------------e-fuse pwr & clk reg ctrl -----------------
* Disable LDOE25 Macro Block
*/
tmpu8 = r8712_read8(adapter, EFUSE_TEST + 3);
tmpu8 &= 0x7F;
r8712_write8(adapter, EFUSE_TEST + 3, tmpu8);
/* Change Efuse Clock for write action to 500K */
r8712_write8(adapter, EFUSE_CLK_CTRL, 0x02);
}
}
/*
* Before write E-Fuse, this function must be called.
*/
u8 r8712_efuse_reg_init(struct _adapter *adapter)
{
return true;
}
void r8712_efuse_reg_uninit(struct _adapter *adapter)
{
efuse_reg_ctrl(adapter, false);
}
static u8 efuse_one_byte_read(struct _adapter *adapter, u16 addr, u8 *data)
{
u8 tmpidx = 0, bResult;
/* -----------------e-fuse reg ctrl --------------------------------- */
r8712_write8(adapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
r8712_write8(adapter, EFUSE_CTRL + 2, ((u8)((addr >> 8) & 0x03)) |
(r8712_read8(adapter, EFUSE_CTRL + 2) & 0xFC));
r8712_write8(adapter, EFUSE_CTRL + 3, 0x72); /* read cmd */
/* wait for complete */
while (!(0x80 & r8712_read8(adapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100) {
*data = r8712_read8(adapter, EFUSE_CTRL);
bResult = true;
} else {
*data = 0xff;
bResult = false;
}
return bResult;
}
static u8 efuse_one_byte_write(struct _adapter *adapter, u16 addr, u8 data)
{
u8 tmpidx = 0, bResult;
/* -----------------e-fuse reg ctrl -------------------------------- */
r8712_write8(adapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
r8712_write8(adapter, EFUSE_CTRL + 2, ((u8)((addr >> 8) & 0x03)) |
(r8712_read8(adapter, EFUSE_CTRL + 2) & 0xFC));
r8712_write8(adapter, EFUSE_CTRL, data); /* data */
r8712_write8(adapter, EFUSE_CTRL + 3, 0xF2); /* write cmd */
/* wait for complete */
while ((0x80 & r8712_read8(adapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100)
bResult = true;
else
bResult = false;
return bResult;
}
static u8 efuse_one_byte_rw(struct _adapter *adapter, u8 bRead, u16 addr,
u8 *data)
{
u8 tmpidx = 0, tmpv8 = 0, bResult;
/* -----------------e-fuse reg ctrl --------------------------------- */
r8712_write8(adapter, EFUSE_CTRL + 1, (u8)(addr & 0xFF)); /* address */
tmpv8 = ((u8)((addr >> 8) & 0x03)) |
(r8712_read8(adapter, EFUSE_CTRL + 2) & 0xFC);
r8712_write8(adapter, EFUSE_CTRL + 2, tmpv8);
if (bRead) {
r8712_write8(adapter, EFUSE_CTRL + 3, 0x72); /* read cmd */
while (!(0x80 & r8712_read8(adapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100) {
*data = r8712_read8(adapter, EFUSE_CTRL);
bResult = true;
} else {
*data = 0;
bResult = false;
}
} else {
r8712_write8(adapter, EFUSE_CTRL, *data); /* data */
r8712_write8(adapter, EFUSE_CTRL + 3, 0xF2); /* write cmd */
while ((0x80 & r8712_read8(adapter, EFUSE_CTRL + 3)) &&
(tmpidx < 100))
tmpidx++;
if (tmpidx < 100)
bResult = true;
else
bResult = false;
}
return bResult;
}
static u8 efuse_is_empty(struct _adapter *adapter, u8 *empty)
{
u8 value, ret = true;
/* read one byte to check if E-Fuse is empty */
if (efuse_one_byte_rw(adapter, true, 0, &value)) {
if (value == 0xFF)
*empty = true;
else
*empty = false;
} else {
ret = false;
}
return ret;
}
void r8712_efuse_change_max_size(struct _adapter *adapter)
{
u16 pre_pg_data_saddr = 0x1FB;
u16 i;
u16 pre_pg_data_size = 5;
u8 pre_pg_data[5];
for (i = 0; i < pre_pg_data_size; i++)
efuse_one_byte_read(adapter, pre_pg_data_saddr + i,
&pre_pg_data[i]);
if ((pre_pg_data[0] == 0x03) && (pre_pg_data[1] == 0x00) &&
(pre_pg_data[2] == 0x00) && (pre_pg_data[3] == 0x00) &&
(pre_pg_data[4] == 0x0C))
efuse_available_max_size -= pre_pg_data_size;
}
int r8712_efuse_get_max_size(struct _adapter *adapter)
{
return efuse_available_max_size;
}
static u8 calculate_word_cnts(const u8 word_en)
{
u8 word_cnts = 0;
u8 word_idx;
for (word_idx = 0; word_idx < PGPKG_MAX_WORDS; word_idx++)
if (!(word_en & BIT(word_idx)))
word_cnts++; /* 0 : write enable */
return word_cnts;
}
static void pgpacket_copy_data(const u8 word_en, const u8 *sourdata,
u8 *targetdata)
{
u8 tmpindex = 0;
u8 word_idx, byte_idx;
for (word_idx = 0; word_idx < PGPKG_MAX_WORDS; word_idx++) {
if (!(word_en & BIT(word_idx))) {
byte_idx = word_idx * 2;
targetdata[byte_idx] = sourdata[tmpindex++];
targetdata[byte_idx + 1] = sourdata[tmpindex++];
}
}
}
u16 r8712_efuse_get_current_size(struct _adapter *adapter)
{
int bContinual = true;
u16 efuse_addr = 0;
u8 hworden = 0;
u8 efuse_data, word_cnts = 0;
while (bContinual && efuse_one_byte_read(adapter, efuse_addr,
&efuse_data) && (efuse_addr < efuse_available_max_size)) {
if (efuse_data != 0xFF) {
hworden = efuse_data & 0x0F;
word_cnts = calculate_word_cnts(hworden);
/* read next header */
efuse_addr = efuse_addr + (word_cnts * 2) + 1;
} else {
bContinual = false;
}
}
return efuse_addr;
}
u8 r8712_efuse_pg_packet_read(struct _adapter *adapter, u8 offset, u8 *data)
{
u8 hoffset = 0, hworden = 0, word_cnts = 0;
u16 efuse_addr = 0;
u8 efuse_data;
u8 tmpidx = 0;
u8 tmpdata[PGPKT_DATA_SIZE];
u8 ret = true;
if (!data)
return false;
if (offset > 0x0f)
return false;
memset(data, 0xFF, sizeof(u8) * PGPKT_DATA_SIZE);
while (efuse_addr < efuse_available_max_size) {
if (efuse_one_byte_read(adapter, efuse_addr, &efuse_data)) {
if (efuse_data == 0xFF)
break;
hoffset = (efuse_data >> 4) & 0x0F;
hworden = efuse_data & 0x0F;
word_cnts = calculate_word_cnts(hworden);
if (hoffset == offset) {
memset(tmpdata, 0xFF, PGPKT_DATA_SIZE);
for (tmpidx = 0; tmpidx < word_cnts * 2;
tmpidx++) {
if (efuse_one_byte_read(adapter,
efuse_addr + 1 + tmpidx,
&efuse_data)) {
tmpdata[tmpidx] = efuse_data;
} else {
ret = false;
}
}
pgpacket_copy_data(hworden, tmpdata, data);
}
efuse_addr += 1 + (word_cnts * 2);
} else {
ret = false;
break;
}
}
return ret;
}
static u8 fix_header(struct _adapter *adapter, u8 header, u16 header_addr)
{
struct PGPKT_STRUCT pkt;
u8 offset, word_en, value;
u16 addr;
int i;
u8 ret = true;
pkt.offset = GET_EFUSE_OFFSET(header);
pkt.word_en = GET_EFUSE_WORD_EN(header);
addr = header_addr + 1 + calculate_word_cnts(pkt.word_en) * 2;
if (addr > efuse_available_max_size)
return false;
/* retrieve original data */
addr = 0;
while (addr < header_addr) {
if (!efuse_one_byte_read(adapter, addr++, &value)) {
ret = false;
break;
}
offset = GET_EFUSE_OFFSET(value);
word_en = GET_EFUSE_WORD_EN(value);
if (pkt.offset != offset) {
addr += calculate_word_cnts(word_en) * 2;
continue;
}
for (i = 0; i < PGPKG_MAX_WORDS; i++) {
if (!(BIT(i) & word_en))
continue;
if (BIT(i) & pkt.word_en) {
if (efuse_one_byte_read(adapter,
addr,
&value))
pkt.data[i * 2] = value;
else
return false;
if (efuse_one_byte_read(adapter,
addr + 1,
&value))
pkt.data[i * 2 + 1] = value;
else
return false;
}
addr += 2;
}
}
if (addr != header_addr)
return false;
addr++;
/* fill original data */
for (i = 0; i < PGPKG_MAX_WORDS; i++) {
if (BIT(i) & pkt.word_en) {
efuse_one_byte_write(adapter, addr, pkt.data[i * 2]);
efuse_one_byte_write(adapter, addr + 1,
pkt.data[i * 2 + 1]);
/* additional check */
if (!efuse_one_byte_read(adapter, addr, &value)) {
ret = false;
} else if (pkt.data[i * 2] != value) {
ret = false;
if (value == 0xFF) /* write again */
efuse_one_byte_write(adapter, addr,
pkt.data[i * 2]);
}
if (!efuse_one_byte_read(adapter, addr + 1, &value)) {
ret = false;
} else if (pkt.data[i * 2 + 1] != value) {
ret = false;
if (value == 0xFF) /* write again */
efuse_one_byte_write(adapter, addr + 1,
pkt.data[i * 2 +
1]);
}
}
addr += 2;
}
return ret;
}
u8 r8712_efuse_pg_packet_write(struct _adapter *adapter, const u8 offset,
const u8 word_en, const u8 *data)
{
u8 pg_header = 0;
u16 efuse_addr = 0, curr_size = 0;
u8 efuse_data, target_word_cnts = 0;
int repeat_times;
int sub_repeat;
u8 bResult = true;
/* check if E-Fuse Clock Enable and E-Fuse Clock is 40M */
efuse_data = r8712_read8(adapter, EFUSE_CLK_CTRL);
if (efuse_data != 0x03)
return false;
pg_header = MAKE_EFUSE_HEADER(offset, word_en);
target_word_cnts = calculate_word_cnts(word_en);
repeat_times = 0;
efuse_addr = 0;
while (efuse_addr < efuse_available_max_size) {
curr_size = r8712_efuse_get_current_size(adapter);
if ((curr_size + 1 + target_word_cnts * 2) >
efuse_available_max_size)
return false; /*target_word_cnts + pg header(1 byte)*/
efuse_addr = curr_size; /* current size is also the last addr*/
efuse_one_byte_write(adapter, efuse_addr, pg_header); /*hdr*/
sub_repeat = 0;
/* check if what we read is what we write */
while (!efuse_one_byte_read(adapter, efuse_addr,
&efuse_data)) {
if (++sub_repeat > _REPEAT_THRESHOLD_) {
bResult = false; /* continue to blind write */
break; /* continue to blind write */
}
}
if ((sub_repeat > _REPEAT_THRESHOLD_) ||
(pg_header == efuse_data)) {
/* write header ok OR can't check header(creep) */
u8 i;
/* go to next address */
efuse_addr++;
for (i = 0; i < target_word_cnts * 2; i++) {
efuse_one_byte_write(adapter,
efuse_addr + i,
*(data + i));
if (!efuse_one_byte_read(adapter,
efuse_addr + i,
&efuse_data))
bResult = false;
else if (*(data + i) != efuse_data) /* fail */
bResult = false;
}
break;
}
/* write header fail */
bResult = false;
if (efuse_data == 0xFF)
return bResult; /* nothing damaged. */
/* call rescue procedure */
if (!fix_header(adapter, efuse_data, efuse_addr))
return false; /* rescue fail */
if (++repeat_times > _REPEAT_THRESHOLD_) /* fail */
break;
/* otherwise, take another risk... */
}
return bResult;
}
u8 r8712_efuse_access(struct _adapter *adapter, u8 bRead, u16 start_addr,
u16 cnts, u8 *data)
{
int i;
u8 res = true;
if (start_addr > EFUSE_MAX_SIZE)
return false;
if (!bRead && ((start_addr + cnts) >
efuse_available_max_size))
return false;
if (!bRead && !r8712_efuse_reg_init(adapter))
return false;
/* -----------------e-fuse one byte read / write ---------------------*/
for (i = 0; i < cnts; i++) {
if ((start_addr + i) > EFUSE_MAX_SIZE) {
res = false;
break;
}
res = efuse_one_byte_rw(adapter, bRead, start_addr + i,
data + i);
if (!bRead && !res)
break;
}
if (!bRead)
r8712_efuse_reg_uninit(adapter);
return res;
}
u8 r8712_efuse_map_read(struct _adapter *adapter, u16 addr, u16 cnts, u8 *data)
{
u8 offset, ret = true;
u8 pktdata[PGPKT_DATA_SIZE];
int i, idx;
if ((addr + cnts) > EFUSE_MAP_MAX_SIZE)
return false;
if (efuse_is_empty(adapter, &offset) && offset) {
for (i = 0; i < cnts; i++)
data[i] = 0xFF;
return ret;
}
offset = (addr >> 3) & 0xF;
ret = r8712_efuse_pg_packet_read(adapter, offset, pktdata);
i = addr & 0x7; /* pktdata index */
idx = 0; /* data index */
do {
for (; i < PGPKT_DATA_SIZE; i++) {
data[idx++] = pktdata[i];
if (idx == cnts)
return ret;
}
offset++;
if (!r8712_efuse_pg_packet_read(adapter, offset, pktdata))
ret = false;
i = 0;
} while (1);
return ret;
}
u8 r8712_efuse_map_write(struct _adapter *adapter, u16 addr, u16 cnts,
u8 *data)
{
u8 offset, word_en, empty;
u8 pktdata[PGPKT_DATA_SIZE], newdata[PGPKT_DATA_SIZE];
int i, j, idx;
if ((addr + cnts) > EFUSE_MAP_MAX_SIZE)
return false;
/* check if E-Fuse Clock Enable and E-Fuse Clock is 40M */
empty = r8712_read8(adapter, EFUSE_CLK_CTRL);
if (empty != 0x03)
return false;
if (efuse_is_empty(adapter, &empty)) {
if (empty)
memset(pktdata, 0xFF, PGPKT_DATA_SIZE);
} else {
return false;
}
offset = (addr >> 3) & 0xF;
if (!empty)
if (!r8712_efuse_pg_packet_read(adapter, offset, pktdata))
return false;
word_en = 0xF;
memset(newdata, 0xFF, PGPKT_DATA_SIZE);
i = addr & 0x7; /* pktdata index */
j = 0; /* newdata index */
idx = 0; /* data index */
if (i & 0x1) {
/* odd start */
if (data[idx] != pktdata[i]) {
word_en &= ~BIT(i >> 1);
newdata[j++] = pktdata[i - 1];
newdata[j++] = data[idx];
}
i++;
idx++;
}
do {
for (; i < PGPKT_DATA_SIZE; i += 2) {
if ((cnts - idx) == 1) {
if (data[idx] != pktdata[i]) {
word_en &= ~BIT(i >> 1);
newdata[j++] = data[idx];
newdata[j++] = pktdata[1 + 1];
}
idx++;
break;
}
if ((data[idx] != pktdata[i]) || (data[idx + 1] !=
pktdata[i + 1])) {
word_en &= ~BIT(i >> 1);
newdata[j++] = data[idx];
newdata[j++] = data[idx + 1];
}
idx += 2;
if (idx == cnts)
break;
}
if (word_en != 0xF)
if (!r8712_efuse_pg_packet_write(adapter, offset,
word_en, newdata))
return false;
if (idx == cnts)
break;
offset++;
if (!empty)
if (!r8712_efuse_pg_packet_read(adapter, offset,
pktdata))
return false;
i = 0;
j = 0;
word_en = 0xF;
memset(newdata, 0xFF, PGPKT_DATA_SIZE);
} while (1);
return true;
}
| linux-master | drivers/staging/rtl8712/rtl8712_efuse.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl8712_cmd.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL8712_CMD_C_
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/sched/signal.h>
#include <linux/module.h>
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/usb.h>
#include <linux/usb/ch9.h>
#include <linux/circ_buf.h>
#include <linux/uaccess.h>
#include <asm/byteorder.h>
#include <linux/atomic.h>
#include <linux/semaphore.h>
#include <linux/rtnetlink.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "mlme_osdep.h"
#include "rtl871x_ioctl_set.h"
static void check_hw_pbc(struct _adapter *padapter)
{
u8 tmp1byte;
r8712_write8(padapter, MAC_PINMUX_CTRL, (GPIOMUX_EN | GPIOSEL_GPIO));
tmp1byte = r8712_read8(padapter, GPIO_IO_SEL);
tmp1byte &= ~(HAL_8192S_HW_GPIO_WPS_BIT);
r8712_write8(padapter, GPIO_IO_SEL, tmp1byte);
tmp1byte = r8712_read8(padapter, GPIO_CTRL);
if (tmp1byte == 0xff)
return;
if (tmp1byte & HAL_8192S_HW_GPIO_WPS_BIT) {
/* Here we only set bPbcPressed to true
* After trigger PBC, the variable will be set to false
*/
netdev_dbg(padapter->pnetdev, "CheckPbcGPIO - PBC is pressed !!!!\n");
/* 0 is the default value and it means the application monitors
* the HW PBC doesn't provide its pid to driver.
*/
if (padapter->pid == 0)
return;
kill_pid(find_vpid(padapter->pid), SIGUSR1, 1);
}
}
/* query rx phy status from fw.
* Adhoc mode: beacon.
* Infrastructure mode: beacon , data.
*/
static void query_fw_rx_phy_status(struct _adapter *padapter)
{
u32 val32 = 0;
int pollingcnts = 50;
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
r8712_write32(padapter, IOCMD_CTRL_REG, 0xf4000001);
msleep(100);
/* Wait FW complete IO Cmd */
while ((r8712_read32(padapter, IOCMD_CTRL_REG)) &&
(pollingcnts > 0)) {
pollingcnts--;
msleep(20);
}
if (pollingcnts != 0)
val32 = r8712_read32(padapter, IOCMD_DATA_REG);
else /* time out */
val32 = 0;
val32 >>= 4;
padapter->recvpriv.fw_rssi =
(u8)r8712_signal_scale_mapping(val32);
}
}
/* check mlme, hw, phy, or dynamic algorithm status. */
static void StatusWatchdogCallback(struct _adapter *padapter)
{
check_hw_pbc(padapter);
query_fw_rx_phy_status(padapter);
}
static void r871x_internal_cmd_hdl(struct _adapter *padapter, u8 *pbuf)
{
struct drvint_cmd_parm *pdrvcmd;
if (!pbuf)
return;
pdrvcmd = (struct drvint_cmd_parm *)pbuf;
switch (pdrvcmd->i_cid) {
case WDG_WK_CID:
StatusWatchdogCallback(padapter);
break;
default:
break;
}
kfree(pdrvcmd->pbuf);
}
static u8 read_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
r8712_free_cmd_obj(pcmd);
return H2C_SUCCESS;
}
static u8 write_bbreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
if (!pcmd_callback)
r8712_free_cmd_obj(pcmd);
else
pcmd_callback(padapter, pcmd);
return H2C_SUCCESS;
}
static u8 read_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
u32 val;
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
if (pcmd->rsp && pcmd->rspsz > 0)
memcpy(pcmd->rsp, (u8 *)&val, pcmd->rspsz);
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
if (!pcmd_callback)
r8712_free_cmd_obj(pcmd);
else
pcmd_callback(padapter, pcmd);
return H2C_SUCCESS;
}
static u8 write_rfreg_hdl(struct _adapter *padapter, u8 *pbuf)
{
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
pcmd_callback = cmd_callback[pcmd->cmdcode].callback;
if (!pcmd_callback)
r8712_free_cmd_obj(pcmd);
else
pcmd_callback(padapter, pcmd);
return H2C_SUCCESS;
}
static u8 sys_suspend_hdl(struct _adapter *padapter, u8 *pbuf)
{
struct cmd_obj *pcmd = (struct cmd_obj *)pbuf;
r8712_free_cmd_obj(pcmd);
return H2C_SUCCESS;
}
static struct cmd_obj *cmd_hdl_filter(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
struct cmd_obj *pcmd_r;
if (!pcmd)
return pcmd;
pcmd_r = NULL;
switch (pcmd->cmdcode) {
case GEN_CMD_CODE(_Read_BBREG):
read_bbreg_hdl(padapter, (u8 *)pcmd);
break;
case GEN_CMD_CODE(_Write_BBREG):
write_bbreg_hdl(padapter, (u8 *)pcmd);
break;
case GEN_CMD_CODE(_Read_RFREG):
read_rfreg_hdl(padapter, (u8 *)pcmd);
break;
case GEN_CMD_CODE(_Write_RFREG):
write_rfreg_hdl(padapter, (u8 *)pcmd);
break;
case GEN_CMD_CODE(_SetUsbSuspend):
sys_suspend_hdl(padapter, (u8 *)pcmd);
break;
case GEN_CMD_CODE(_JoinBss):
r8712_joinbss_reset(padapter);
/* Before set JoinBss_CMD to FW, driver must ensure FW is in
* PS_MODE_ACTIVE. Directly write rpwm to radio on and assign
* new pwr_mode to Driver, instead of use workitem to change
* state.
*/
if (padapter->pwrctrlpriv.pwr_mode > PS_MODE_ACTIVE) {
padapter->pwrctrlpriv.pwr_mode = PS_MODE_ACTIVE;
mutex_lock(&padapter->pwrctrlpriv.mutex_lock);
r8712_set_rpwm(padapter, PS_STATE_S4);
mutex_unlock(&padapter->pwrctrlpriv.mutex_lock);
}
pcmd_r = pcmd;
break;
case _DRV_INT_CMD_:
r871x_internal_cmd_hdl(padapter, pcmd->parmbuf);
r8712_free_cmd_obj(pcmd);
pcmd_r = NULL;
break;
default:
pcmd_r = pcmd;
break;
}
return pcmd_r; /* if returning pcmd_r == NULL, pcmd must be free. */
}
u8 r8712_fw_cmd(struct _adapter *pAdapter, u32 cmd)
{
int pollingcnts = 50;
r8712_write32(pAdapter, IOCMD_CTRL_REG, cmd);
msleep(100);
while ((r8712_read32(pAdapter, IOCMD_CTRL_REG != 0)) &&
(pollingcnts > 0)) {
pollingcnts--;
msleep(20);
}
if (pollingcnts == 0)
return false;
return true;
}
void r8712_fw_cmd_data(struct _adapter *pAdapter, u32 *value, u8 flag)
{
if (flag == 0) /* set */
r8712_write32(pAdapter, IOCMD_DATA_REG, *value);
else /* query */
*value = r8712_read32(pAdapter, IOCMD_DATA_REG);
}
int r8712_cmd_thread(void *context)
{
struct cmd_obj *pcmd;
unsigned int cmdsz, wr_sz;
__le32 *pcmdbuf;
struct tx_desc *pdesc;
void (*pcmd_callback)(struct _adapter *dev, struct cmd_obj *pcmd);
struct _adapter *padapter = context;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct completion *cmd_queue_comp =
&pcmdpriv->cmd_queue_comp;
struct mutex *pwctrl_lock = &padapter->pwrctrlpriv.mutex_lock;
allow_signal(SIGTERM);
while (1) {
if (wait_for_completion_interruptible(cmd_queue_comp))
break;
if (padapter->driver_stopped || padapter->surprise_removed)
break;
if (r8712_register_cmd_alive(padapter))
continue;
_next:
pcmd = r8712_dequeue_cmd(&pcmdpriv->cmd_queue);
if (!(pcmd)) {
r8712_unregister_cmd_alive(padapter);
continue;
}
pcmdbuf = (__le32 *)pcmdpriv->cmd_buf;
pdesc = (struct tx_desc *)pcmdbuf;
memset(pdesc, 0, TXDESC_SIZE);
pcmd = cmd_hdl_filter(padapter, pcmd);
if (pcmd) { /* if pcmd != NULL, cmd will be handled by f/w */
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
u8 blnPending = 0;
u16 cmdcode = pcmd->cmdcode;
pcmdpriv->cmd_issued_cnt++;
cmdsz = round_up(pcmd->cmdsz, 8);
wr_sz = TXDESC_SIZE + 8 + cmdsz;
pdesc->txdw0 |= cpu_to_le32((wr_sz - TXDESC_SIZE) &
0x0000ffff);
if (pdvobj->ishighspeed) {
if ((wr_sz % 512) == 0)
blnPending = 1;
} else {
if ((wr_sz % 64) == 0)
blnPending = 1;
}
if (blnPending) { /* 32 bytes for TX Desc - 8 offset */
pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE +
OFFSET_SZ + 8) << OFFSET_SHT) &
0x00ff0000);
} else {
pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE +
OFFSET_SZ) <<
OFFSET_SHT) &
0x00ff0000);
}
pdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
pdesc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) &
0x00001f00);
pcmdbuf += (TXDESC_SIZE >> 2);
*pcmdbuf = cpu_to_le32((cmdsz & 0x0000ffff) |
(pcmd->cmdcode << 16) |
(pcmdpriv->cmd_seq << 24));
pcmdbuf += 2; /* 8 bytes alignment */
memcpy((u8 *)pcmdbuf, pcmd->parmbuf, pcmd->cmdsz);
if (blnPending)
wr_sz += 8; /* Append 8 bytes */
r8712_write_mem(padapter, RTL8712_DMA_H2CCMD, wr_sz,
(u8 *)pdesc);
pcmdpriv->cmd_seq++;
if (cmdcode == GEN_CMD_CODE(_CreateBss)) {
pcmd->res = H2C_SUCCESS;
pcmd_callback = cmd_callback[cmdcode].callback;
if (pcmd_callback)
pcmd_callback(padapter, pcmd);
continue;
}
if (cmdcode == GEN_CMD_CODE(_SetPwrMode)) {
if (padapter->pwrctrlpriv.bSleep) {
mutex_lock(pwctrl_lock);
r8712_set_rpwm(padapter, PS_STATE_S2);
mutex_unlock(pwctrl_lock);
}
}
r8712_free_cmd_obj(pcmd);
if (list_empty(&pcmdpriv->cmd_queue.queue)) {
r8712_unregister_cmd_alive(padapter);
continue;
} else {
goto _next;
}
} else {
goto _next;
}
flush_signals_thread();
}
/* free all cmd_obj resources */
do {
pcmd = r8712_dequeue_cmd(&pcmdpriv->cmd_queue);
if (!pcmd)
break;
r8712_free_cmd_obj(pcmd);
} while (1);
complete(&pcmdpriv->terminate_cmdthread_comp);
return 0;
}
void r8712_event_handle(struct _adapter *padapter, __le32 *peventbuf)
{
u8 evt_code, evt_seq;
u16 evt_sz;
void (*event_callback)(struct _adapter *dev, u8 *pbuf);
struct evt_priv *pevt_priv = &padapter->evtpriv;
if (!peventbuf)
goto _abort_event_;
evt_sz = (u16)(le32_to_cpu(*peventbuf) & 0xffff);
evt_seq = (u8)((le32_to_cpu(*peventbuf) >> 24) & 0x7f);
evt_code = (u8)((le32_to_cpu(*peventbuf) >> 16) & 0xff);
/* checking event sequence... */
if ((evt_seq & 0x7f) != pevt_priv->event_seq) {
pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
goto _abort_event_;
}
/* checking if event code is valid */
if (evt_code >= MAX_C2HEVT) {
pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
goto _abort_event_;
} else if ((evt_code == GEN_EVT_CODE(_Survey)) &&
(evt_sz > sizeof(struct wlan_bssid_ex))) {
pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
goto _abort_event_;
}
/* checking if event size match the event parm size */
if ((wlanevents[evt_code].parmsize) &&
(wlanevents[evt_code].parmsize != evt_sz)) {
pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
goto _abort_event_;
} else if ((evt_sz == 0) && (evt_code != GEN_EVT_CODE(_WPS_PBC))) {
pevt_priv->event_seq = ((evt_seq + 1) & 0x7f);
goto _abort_event_;
}
pevt_priv->event_seq++; /* update evt_seq */
if (pevt_priv->event_seq > 127)
pevt_priv->event_seq = 0;
/* move to event content, 8 bytes alignment */
peventbuf = peventbuf + 2;
event_callback = wlanevents[evt_code].event_callback;
if (event_callback)
event_callback(padapter, (u8 *)peventbuf);
pevt_priv->evt_done_cnt++;
_abort_event_:
return;
}
| linux-master | drivers/staging/rtl8712/rtl8712_cmd.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl8712_recv.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL8712_RECV_C_
#include <linux/if_ether.h>
#include <linux/ip.h>
#include <net/cfg80211.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "mlme_osdep.h"
#include "ethernet.h"
#include "usb_ops.h"
#include "wifi.h"
static void recv_tasklet(struct tasklet_struct *t);
int r8712_init_recv_priv(struct recv_priv *precvpriv,
struct _adapter *padapter)
{
int i;
struct recv_buf *precvbuf;
addr_t tmpaddr = 0;
int alignment = 0;
struct sk_buff *pskb = NULL;
/*init recv_buf*/
_init_queue(&precvpriv->free_recv_buf_queue);
precvpriv->pallocated_recv_buf =
kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4, GFP_ATOMIC);
if (!precvpriv->pallocated_recv_buf)
return -ENOMEM;
precvpriv->precv_buf = precvpriv->pallocated_recv_buf + 4 -
((addr_t)(precvpriv->pallocated_recv_buf) & 3);
precvbuf = (struct recv_buf *)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++) {
INIT_LIST_HEAD(&precvbuf->list);
spin_lock_init(&precvbuf->recvbuf_lock);
if (r8712_os_recvbuf_resource_alloc(padapter, precvbuf))
break;
precvbuf->ref_cnt = 0;
precvbuf->adapter = padapter;
list_add_tail(&precvbuf->list,
&precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF;
tasklet_setup(&precvpriv->recv_tasklet, recv_tasklet);
skb_queue_head_init(&precvpriv->rx_skb_queue);
skb_queue_head_init(&precvpriv->free_recv_skb_queue);
for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
pskb = netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ +
RECVBUFF_ALIGN_SZ);
if (pskb) {
tmpaddr = (addr_t)pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
}
pskb = NULL;
}
return 0;
}
void r8712_free_recv_priv(struct recv_priv *precvpriv)
{
int i;
struct recv_buf *precvbuf;
struct _adapter *padapter = precvpriv->adapter;
precvbuf = (struct recv_buf *)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++) {
r8712_os_recvbuf_resource_free(padapter, precvbuf);
precvbuf++;
}
kfree(precvpriv->pallocated_recv_buf);
skb_queue_purge(&precvpriv->rx_skb_queue);
if (skb_queue_len(&precvpriv->rx_skb_queue))
netdev_warn(padapter->pnetdev, "r8712u: rx_skb_queue not empty\n");
skb_queue_purge(&precvpriv->free_recv_skb_queue);
if (skb_queue_len(&precvpriv->free_recv_skb_queue))
netdev_warn(padapter->pnetdev, "r8712u: free_recv_skb_queue not empty %d\n",
skb_queue_len(&precvpriv->free_recv_skb_queue));
}
void r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf)
{
precvbuf->transfer_len = 0;
precvbuf->len = 0;
precvbuf->ref_cnt = 0;
if (precvbuf->pbuf) {
precvbuf->pdata = precvbuf->pbuf;
precvbuf->phead = precvbuf->pbuf;
precvbuf->ptail = precvbuf->pbuf;
precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
}
}
void r8712_free_recvframe(union recv_frame *precvframe,
struct __queue *pfree_recv_queue)
{
unsigned long irqL;
struct _adapter *padapter = precvframe->u.hdr.adapter;
struct recv_priv *precvpriv = &padapter->recvpriv;
if (precvframe->u.hdr.pkt) {
dev_kfree_skb_any(precvframe->u.hdr.pkt);/*free skb by driver*/
precvframe->u.hdr.pkt = NULL;
}
spin_lock_irqsave(&pfree_recv_queue->lock, irqL);
list_del_init(&precvframe->u.hdr.list);
list_add_tail(&precvframe->u.hdr.list, &pfree_recv_queue->queue);
if (padapter) {
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt++;
}
spin_unlock_irqrestore(&pfree_recv_queue->lock, irqL);
}
static void update_recvframe_attrib_from_recvstat(struct rx_pkt_attrib *pattrib,
struct recv_stat *prxstat)
{
u16 drvinfo_sz;
drvinfo_sz = (le32_to_cpu(prxstat->rxdw0) & 0x000f0000) >> 16;
drvinfo_sz <<= 3;
/*TODO:
* Offset 0
*/
pattrib->bdecrypted = (le32_to_cpu(prxstat->rxdw0) & BIT(27)) == 0;
pattrib->crc_err = (le32_to_cpu(prxstat->rxdw0) & BIT(14)) != 0;
/*Offset 4*/
/*Offset 8*/
/*Offset 12*/
if (le32_to_cpu(prxstat->rxdw3) & BIT(13)) {
pattrib->tcpchk_valid = 1; /* valid */
if (le32_to_cpu(prxstat->rxdw3) & BIT(11))
pattrib->tcp_chkrpt = 1; /* correct */
else
pattrib->tcp_chkrpt = 0; /* incorrect */
if (le32_to_cpu(prxstat->rxdw3) & BIT(12))
pattrib->ip_chkrpt = 1; /* correct */
else
pattrib->ip_chkrpt = 0; /* incorrect */
} else {
pattrib->tcpchk_valid = 0; /* invalid */
}
pattrib->mcs_rate = (u8)((le32_to_cpu(prxstat->rxdw3)) & 0x3f);
pattrib->htc = (u8)((le32_to_cpu(prxstat->rxdw3) >> 14) & 0x1);
/*Offset 16*/
/*Offset 20*/
/*phy_info*/
}
/*perform defrag*/
static union recv_frame *recvframe_defrag(struct _adapter *adapter,
struct __queue *defrag_q)
{
struct list_head *plist, *phead;
u8 wlanhdr_offset;
u8 curfragnum;
struct recv_frame_hdr *pfhdr, *pnfhdr;
union recv_frame *prframe, *pnextrframe;
struct __queue *pfree_recv_queue;
pfree_recv_queue = &adapter->recvpriv.free_recv_queue;
phead = &defrag_q->queue;
plist = phead->next;
prframe = container_of(plist, union recv_frame, u.list);
list_del_init(&prframe->u.list);
pfhdr = &prframe->u.hdr;
curfragnum = 0;
if (curfragnum != pfhdr->attrib.frag_num) {
/*the first fragment number must be 0
*free the whole queue
*/
r8712_free_recvframe(prframe, pfree_recv_queue);
r8712_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
curfragnum++;
plist = &defrag_q->queue;
plist = plist->next;
while (!end_of_queue_search(phead, plist)) {
pnextrframe = container_of(plist, union recv_frame, u.list);
pnfhdr = &pnextrframe->u.hdr;
/*check the fragment sequence (2nd ~n fragment frame) */
if (curfragnum != pnfhdr->attrib.frag_num) {
/* the fragment number must increase (after decache)
* release the defrag_q & prframe
*/
r8712_free_recvframe(prframe, pfree_recv_queue);
r8712_free_recvframe_queue(defrag_q, pfree_recv_queue);
return NULL;
}
curfragnum++;
/* copy the 2nd~n fragment frame's payload to the first fragment
* get the 2nd~last fragment frame's payload
*/
wlanhdr_offset = pnfhdr->attrib.hdrlen + pnfhdr->attrib.iv_len;
recvframe_pull(pnextrframe, wlanhdr_offset);
/* append to first fragment frame's tail (if privacy frame,
* pull the ICV)
*/
recvframe_pull_tail(prframe, pfhdr->attrib.icv_len);
memcpy(pfhdr->rx_tail, pnfhdr->rx_data, pnfhdr->len);
recvframe_put(prframe, pnfhdr->len);
pfhdr->attrib.icv_len = pnfhdr->attrib.icv_len;
plist = plist->next;
}
/* free the defrag_q queue and return the prframe */
r8712_free_recvframe_queue(defrag_q, pfree_recv_queue);
return prframe;
}
/* check if need to defrag, if needed queue the frame to defrag_q */
union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *padapter,
union recv_frame *precv_frame)
{
u8 ismfrag;
u8 fragnum;
u8 *psta_addr;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv;
struct list_head *phead;
union recv_frame *prtnframe = NULL;
struct __queue *pfree_recv_queue, *pdefrag_q;
pstapriv = &padapter->stapriv;
pfhdr = &precv_frame->u.hdr;
pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
/* need to define struct of wlan header frame ctrl */
ismfrag = pfhdr->attrib.mfrag;
fragnum = pfhdr->attrib.frag_num;
psta_addr = pfhdr->attrib.ta;
psta = r8712_get_stainfo(pstapriv, psta_addr);
if (!psta)
pdefrag_q = NULL;
else
pdefrag_q = &psta->sta_recvpriv.defrag_q;
if ((ismfrag == 0) && (fragnum == 0))
prtnframe = precv_frame;/*isn't a fragment frame*/
if (ismfrag == 1) {
/* 0~(n-1) fragment frame
* enqueue to defraf_g
*/
if (pdefrag_q) {
if (fragnum == 0) {
/*the first fragment*/
if (!list_empty(&pdefrag_q->queue)) {
/*free current defrag_q */
r8712_free_recvframe_queue(pdefrag_q,
pfree_recv_queue);
}
}
/* Then enqueue the 0~(n-1) fragment to the defrag_q */
phead = &pdefrag_q->queue;
list_add_tail(&pfhdr->list, phead);
prtnframe = NULL;
} else {
/* can't find this ta's defrag_queue, so free this
* recv_frame
*/
r8712_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe = NULL;
}
}
if ((ismfrag == 0) && (fragnum != 0)) {
/* the last fragment frame
* enqueue the last fragment
*/
if (pdefrag_q) {
phead = &pdefrag_q->queue;
list_add_tail(&pfhdr->list, phead);
/*call recvframe_defrag to defrag*/
precv_frame = recvframe_defrag(padapter, pdefrag_q);
prtnframe = precv_frame;
} else {
/* can't find this ta's defrag_queue, so free this
* recv_frame
*/
r8712_free_recvframe(precv_frame, pfree_recv_queue);
prtnframe = NULL;
}
}
if (prtnframe && (prtnframe->u.hdr.attrib.privacy)) {
/* after defrag we must check tkip mic code */
if (r8712_recvframe_chkmic(padapter, prtnframe) == _FAIL) {
r8712_free_recvframe(prtnframe, pfree_recv_queue);
prtnframe = NULL;
}
}
return prtnframe;
}
static void amsdu_to_msdu(struct _adapter *padapter, union recv_frame *prframe)
{
int a_len, padding_len;
u16 eth_type, nSubframe_Length;
u8 nr_subframes, i;
unsigned char *pdata;
struct rx_pkt_attrib *pattrib;
_pkt *sub_skb, *subframes[MAX_SUBFRAME_COUNT];
struct recv_priv *precvpriv = &padapter->recvpriv;
struct __queue *pfree_recv_queue = &precvpriv->free_recv_queue;
nr_subframes = 0;
pattrib = &prframe->u.hdr.attrib;
recvframe_pull(prframe, prframe->u.hdr.attrib.hdrlen);
if (prframe->u.hdr.attrib.iv_len > 0)
recvframe_pull(prframe, prframe->u.hdr.attrib.iv_len);
a_len = prframe->u.hdr.len;
pdata = prframe->u.hdr.rx_data;
while (a_len > ETH_HLEN) {
/* Offset 12 denote 2 mac address */
nSubframe_Length = *((u16 *)(pdata + 12));
/*==m==>change the length order*/
nSubframe_Length = (nSubframe_Length >> 8) +
(nSubframe_Length << 8);
if (a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
netdev_warn(padapter->pnetdev, "r8712u: nRemain_Length is %d and nSubframe_Length is: %d\n",
a_len, nSubframe_Length);
goto exit;
}
/* move the data point to data content */
pdata += ETH_HLEN;
a_len -= ETH_HLEN;
/* Allocate new skb for releasing to upper layer */
sub_skb = dev_alloc_skb(nSubframe_Length + 12);
if (!sub_skb)
break;
skb_reserve(sub_skb, 12);
skb_put_data(sub_skb, pdata, nSubframe_Length);
subframes[nr_subframes++] = sub_skb;
if (nr_subframes >= MAX_SUBFRAME_COUNT) {
netdev_warn(padapter->pnetdev, "r8712u: ParseSubframe(): Too many Subframes! Packets dropped!\n");
break;
}
pdata += nSubframe_Length;
a_len -= nSubframe_Length;
if (a_len != 0) {
padding_len = 4 - ((nSubframe_Length + ETH_HLEN) & 3);
if (padding_len == 4)
padding_len = 0;
if (a_len < padding_len)
goto exit;
pdata += padding_len;
a_len -= padding_len;
}
}
for (i = 0; i < nr_subframes; i++) {
sub_skb = subframes[i];
/* convert hdr + possible LLC headers into Ethernet header */
eth_type = (sub_skb->data[6] << 8) | sub_skb->data[7];
if (sub_skb->len >= 8 &&
((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
!memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and
* replace EtherType
*/
skb_pull(sub_skb, SNAP_SIZE);
memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src,
ETH_ALEN);
memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst,
ETH_ALEN);
} else {
__be16 len;
/* Leave Ethernet header part of hdr and full payload */
len = htons(sub_skb->len);
memcpy(skb_push(sub_skb, 2), &len, 2);
memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src,
ETH_ALEN);
memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst,
ETH_ALEN);
}
/* Indicate the packets to upper layer */
if (sub_skb) {
sub_skb->protocol =
eth_type_trans(sub_skb, padapter->pnetdev);
sub_skb->dev = padapter->pnetdev;
if ((pattrib->tcpchk_valid == 1) &&
(pattrib->tcp_chkrpt == 1)) {
sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
} else {
sub_skb->ip_summed = CHECKSUM_NONE;
}
netif_rx(sub_skb);
}
}
exit:
prframe->u.hdr.len = 0;
r8712_free_recvframe(prframe, pfree_recv_queue);
}
void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf)
{
__le32 voffset;
u8 *poffset;
u16 cmd_len, drvinfo_sz;
struct recv_stat *prxstat;
poffset = prxcmdbuf;
voffset = *(__le32 *)poffset;
prxstat = prxcmdbuf;
drvinfo_sz = (le32_to_cpu(prxstat->rxdw0) & 0x000f0000) >> 16;
drvinfo_sz <<= 3;
poffset += RXDESC_SIZE + drvinfo_sz;
do {
voffset = *(__le32 *)poffset;
cmd_len = (u16)(le32_to_cpu(voffset) & 0xffff);
r8712_event_handle(padapter, (__le32 *)poffset);
poffset += (cmd_len + 8);/*8 bytes alignment*/
} while (le32_to_cpu(voffset) & BIT(31));
}
static int check_indicate_seq(struct recv_reorder_ctrl *preorder_ctrl,
u16 seq_num)
{
u8 wsize = preorder_ctrl->wsize_b;
u16 wend = (preorder_ctrl->indicate_seq + wsize - 1) % 4096;
/* Rx Reorder initialize condition.*/
if (preorder_ctrl->indicate_seq == 0xffff)
preorder_ctrl->indicate_seq = seq_num;
/* Drop out the packet which SeqNum is smaller than WinStart */
if (SN_LESS(seq_num, preorder_ctrl->indicate_seq))
return false;
/*
* Sliding window manipulation. Conditions includes:
* 1. Incoming SeqNum is equal to WinStart =>Window shift 1
* 2. Incoming SeqNum is larger than the WinEnd => Window shift N
*/
if (SN_EQUAL(seq_num, preorder_ctrl->indicate_seq))
preorder_ctrl->indicate_seq = (preorder_ctrl->indicate_seq +
1) % 4096;
else if (SN_LESS(wend, seq_num)) {
if (seq_num >= (wsize - 1))
preorder_ctrl->indicate_seq = seq_num + 1 - wsize;
else
preorder_ctrl->indicate_seq = 4095 - (wsize -
(seq_num + 1)) + 1;
}
return true;
}
static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl,
union recv_frame *prframe)
{
struct list_head *phead, *plist;
union recv_frame *pnextrframe;
struct rx_pkt_attrib *pnextattrib;
struct __queue *ppending_recvframe_queue =
&preorder_ctrl->pending_recvframe_queue;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
phead = &ppending_recvframe_queue->queue;
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
pnextrframe = container_of(plist, union recv_frame, u.list);
pnextattrib = &pnextrframe->u.hdr.attrib;
if (SN_EQUAL(pnextattrib->seq_num, pattrib->seq_num))
return false;
if (SN_LESS(pnextattrib->seq_num, pattrib->seq_num))
plist = plist->next;
else
break;
}
list_del_init(&prframe->u.hdr.list);
list_add_tail(&prframe->u.hdr.list, plist);
return true;
}
int r8712_recv_indicatepkts_in_order(struct _adapter *padapter,
struct recv_reorder_ctrl *preorder_ctrl,
int bforced)
{
struct list_head *phead, *plist;
union recv_frame *prframe;
struct rx_pkt_attrib *pattrib;
int bPktInBuf = false;
struct __queue *ppending_recvframe_queue =
&preorder_ctrl->pending_recvframe_queue;
phead = &ppending_recvframe_queue->queue;
plist = phead->next;
/* Handling some condition for forced indicate case.*/
if (bforced) {
if (list_empty(phead))
return true;
prframe = container_of(plist, union recv_frame, u.list);
pattrib = &prframe->u.hdr.attrib;
preorder_ctrl->indicate_seq = pattrib->seq_num;
}
/* Prepare indication list and indication.
* Check if there is any packet need indicate.
*/
while (!list_empty(phead)) {
prframe = container_of(plist, union recv_frame, u.list);
pattrib = &prframe->u.hdr.attrib;
if (!SN_LESS(preorder_ctrl->indicate_seq, pattrib->seq_num)) {
plist = plist->next;
list_del_init(&prframe->u.hdr.list);
if (SN_EQUAL(preorder_ctrl->indicate_seq,
pattrib->seq_num))
preorder_ctrl->indicate_seq =
(preorder_ctrl->indicate_seq + 1) % 4096;
/*indicate this recv_frame*/
if (!pattrib->amsdu) {
if (!padapter->driver_stopped &&
!padapter->surprise_removed) {
/* indicate this recv_frame */
r8712_recv_indicatepkt(padapter,
prframe);
}
} else if (pattrib->amsdu == 1) {
amsdu_to_msdu(padapter, prframe);
}
/* Update local variables. */
bPktInBuf = false;
} else {
bPktInBuf = true;
break;
}
}
return bPktInBuf;
}
static int recv_indicatepkt_reorder(struct _adapter *padapter,
union recv_frame *prframe)
{
unsigned long irql;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct recv_reorder_ctrl *preorder_ctrl = prframe->u.hdr.preorder_ctrl;
struct __queue *ppending_recvframe_queue =
&preorder_ctrl->pending_recvframe_queue;
if (!pattrib->amsdu) {
/* s1. */
r8712_wlanhdr_to_ethhdr(prframe);
if (pattrib->qos != 1) {
if (!padapter->driver_stopped &&
!padapter->surprise_removed) {
r8712_recv_indicatepkt(padapter, prframe);
return 0;
} else {
return -EINVAL;
}
}
}
spin_lock_irqsave(&ppending_recvframe_queue->lock, irql);
/*s2. check if winstart_b(indicate_seq) needs to be updated*/
if (!check_indicate_seq(preorder_ctrl, pattrib->seq_num))
goto _err_exit;
/*s3. Insert all packet into Reorder Queue to maintain its ordering.*/
if (!enqueue_reorder_recvframe(preorder_ctrl, prframe))
goto _err_exit;
/*s4.
* Indication process.
* After Packet dropping and Sliding Window shifting as above, we can
* now just indicate the packets with the SeqNum smaller than latest
* WinStart and buffer other packets.
*
* For Rx Reorder condition:
* 1. All packets with SeqNum smaller than WinStart => Indicate
* 2. All packets with SeqNum larger than or equal to
* WinStart => Buffer it.
*/
if (r8712_recv_indicatepkts_in_order(padapter, preorder_ctrl, false)) {
mod_timer(&preorder_ctrl->reordering_ctrl_timer,
jiffies + msecs_to_jiffies(REORDER_WAIT_TIME));
spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql);
} else {
spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql);
del_timer(&preorder_ctrl->reordering_ctrl_timer);
}
return 0;
_err_exit:
spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql);
return -ENOMEM;
}
void r8712_reordering_ctrl_timeout_handler(void *pcontext)
{
unsigned long irql;
struct recv_reorder_ctrl *preorder_ctrl = pcontext;
struct _adapter *padapter = preorder_ctrl->padapter;
struct __queue *ppending_recvframe_queue =
&preorder_ctrl->pending_recvframe_queue;
if (padapter->driver_stopped || padapter->surprise_removed)
return;
spin_lock_irqsave(&ppending_recvframe_queue->lock, irql);
r8712_recv_indicatepkts_in_order(padapter, preorder_ctrl, true);
spin_unlock_irqrestore(&ppending_recvframe_queue->lock, irql);
}
static int r8712_process_recv_indicatepkts(struct _adapter *padapter,
union recv_frame *prframe)
{
int retval = _SUCCESS;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (phtpriv->ht_option == 1) { /*B/G/N Mode*/
if (recv_indicatepkt_reorder(padapter, prframe)) {
/* including perform A-MPDU Rx Ordering Buffer Control*/
if (!padapter->driver_stopped &&
!padapter->surprise_removed)
return _FAIL;
}
} else { /*B/G mode*/
retval = r8712_wlanhdr_to_ethhdr(prframe);
if (retval)
return _FAIL;
if (!padapter->driver_stopped && !padapter->surprise_removed) {
/* indicate this recv_frame */
r8712_recv_indicatepkt(padapter, prframe);
} else {
return _FAIL;
}
}
return retval;
}
static u8 query_rx_pwr_percentage(s8 antpower)
{
if ((antpower <= -100) || (antpower >= 20))
return 0;
else if (antpower >= 0)
return 100;
else
return 100 + antpower;
}
static u8 evm_db2percentage(s8 value)
{
/*
* -33dB~0dB to 0%~99%
*/
s8 ret_val = clamp(-value, 0, 33) * 3;
if (ret_val == 99)
ret_val = 100;
return ret_val;
}
s32 r8712_signal_scale_mapping(s32 cur_sig)
{
s32 ret_sig;
if (cur_sig >= 51 && cur_sig <= 100)
ret_sig = 100;
else if (cur_sig >= 41 && cur_sig <= 50)
ret_sig = 80 + ((cur_sig - 40) * 2);
else if (cur_sig >= 31 && cur_sig <= 40)
ret_sig = 66 + (cur_sig - 30);
else if (cur_sig >= 21 && cur_sig <= 30)
ret_sig = 54 + (cur_sig - 20);
else if (cur_sig >= 10 && cur_sig <= 20)
ret_sig = 42 + (((cur_sig - 10) * 2) / 3);
else if (cur_sig >= 5 && cur_sig <= 9)
ret_sig = 22 + (((cur_sig - 5) * 3) / 2);
else if (cur_sig >= 1 && cur_sig <= 4)
ret_sig = 6 + (((cur_sig - 1) * 3) / 2);
else
ret_sig = cur_sig;
return ret_sig;
}
static s32 translate2dbm(struct _adapter *padapter, u8 signal_strength_idx)
{
s32 signal_power; /* in dBm.*/
/* Translate to dBm (x=0.5y-95).*/
signal_power = (s32)((signal_strength_idx + 1) >> 1);
signal_power -= 95;
return signal_power;
}
static void query_rx_phy_status(struct _adapter *padapter,
union recv_frame *prframe)
{
u8 i, max_spatial_stream, evm;
struct recv_stat *prxstat = (struct recv_stat *)prframe->u.hdr.rx_head;
struct phy_stat *pphy_stat = (struct phy_stat *)(prxstat + 1);
u8 *pphy_head = (u8 *)(prxstat + 1);
s8 rx_pwr[4], rx_pwr_all;
u8 pwdb_all;
u32 rssi, total_rssi = 0;
u8 bcck_rate = 0, rf_rx_num = 0, cck_highpwr = 0;
struct phy_cck_rx_status *pcck_buf;
u8 sq;
/* Record it for next packet processing*/
bcck_rate = (prframe->u.hdr.attrib.mcs_rate <= 3 ? 1 : 0);
if (bcck_rate) {
u8 report;
/* CCK Driver info Structure is not the same as OFDM packet.*/
pcck_buf = (struct phy_cck_rx_status *)pphy_stat;
/* (1)Hardware does not provide RSSI for CCK
* (2)PWDB, Average PWDB calculated by hardware
* (for rate adaptive)
*/
if (!cck_highpwr) {
report = pcck_buf->cck_agc_rpt & 0xc0;
report >>= 6;
switch (report) {
/* Modify the RF RNA gain value to -40, -20,
* -2, 14 by Jenyu's suggestion
* Note: different RF with the different
* RNA gain.
*/
case 0x3:
rx_pwr_all = -40 - (pcck_buf->cck_agc_rpt &
0x3e);
break;
case 0x2:
rx_pwr_all = -20 - (pcck_buf->cck_agc_rpt &
0x3e);
break;
case 0x1:
rx_pwr_all = -2 - (pcck_buf->cck_agc_rpt &
0x3e);
break;
case 0x0:
rx_pwr_all = 14 - (pcck_buf->cck_agc_rpt &
0x3e);
break;
}
} else {
report = ((u8)(le32_to_cpu(pphy_stat->phydw1) >> 8)) &
0x60;
report >>= 5;
switch (report) {
case 0x3:
rx_pwr_all = -40 - ((pcck_buf->cck_agc_rpt &
0x1f) << 1);
break;
case 0x2:
rx_pwr_all = -20 - ((pcck_buf->cck_agc_rpt &
0x1f) << 1);
break;
case 0x1:
rx_pwr_all = -2 - ((pcck_buf->cck_agc_rpt &
0x1f) << 1);
break;
case 0x0:
rx_pwr_all = 14 - ((pcck_buf->cck_agc_rpt &
0x1f) << 1);
break;
}
}
pwdb_all = query_rx_pwr_percentage(rx_pwr_all);
/* CCK gain is smaller than OFDM/MCS gain,*/
/* so we add gain diff by experiences, the val is 6 */
pwdb_all += 6;
if (pwdb_all > 100)
pwdb_all = 100;
/* modify the offset to make the same gain index with OFDM.*/
if (pwdb_all > 34 && pwdb_all <= 42)
pwdb_all -= 2;
else if (pwdb_all > 26 && pwdb_all <= 34)
pwdb_all -= 6;
else if (pwdb_all > 14 && pwdb_all <= 26)
pwdb_all -= 8;
else if (pwdb_all > 4 && pwdb_all <= 14)
pwdb_all -= 4;
/*
* (3) Get Signal Quality (EVM)
*/
if (pwdb_all > 40) {
sq = 100;
} else {
sq = pcck_buf->sq_rpt;
if (pcck_buf->sq_rpt > 64)
sq = 0;
else if (pcck_buf->sq_rpt < 20)
sq = 100;
else
sq = ((64 - sq) * 100) / 44;
}
prframe->u.hdr.attrib.signal_qual = sq;
prframe->u.hdr.attrib.rx_mimo_signal_qual[0] = sq;
prframe->u.hdr.attrib.rx_mimo_signal_qual[1] = -1;
} else {
/* (1)Get RSSI for HT rate */
for (i = 0; i < ((padapter->registrypriv.rf_config) &
0x0f); i++) {
rf_rx_num++;
rx_pwr[i] = ((pphy_head[PHY_STAT_GAIN_TRSW_SHT + i]
& 0x3F) * 2) - 110;
/* Translate DBM to percentage. */
rssi = query_rx_pwr_percentage(rx_pwr[i]);
total_rssi += rssi;
}
/* (2)PWDB, Average PWDB calculated by hardware (for
* rate adaptive)
*/
rx_pwr_all = (((pphy_head[PHY_STAT_PWDB_ALL_SHT]) >> 1) & 0x7f)
- 106;
pwdb_all = query_rx_pwr_percentage(rx_pwr_all);
{
/* (3)EVM of HT rate */
if (prframe->u.hdr.attrib.htc &&
prframe->u.hdr.attrib.mcs_rate >= 20 &&
prframe->u.hdr.attrib.mcs_rate <= 27) {
/* both spatial stream make sense */
max_spatial_stream = 2;
} else {
/* only spatial stream 1 makes sense */
max_spatial_stream = 1;
}
for (i = 0; i < max_spatial_stream; i++) {
evm = evm_db2percentage((pphy_head
[PHY_STAT_RXEVM_SHT + i]));/*dbm*/
prframe->u.hdr.attrib.signal_qual =
(u8)(evm & 0xff);
prframe->u.hdr.attrib.rx_mimo_signal_qual[i] =
(u8)(evm & 0xff);
}
}
}
/* UI BSS List signal strength(in percentage), make it good looking,
* from 0~100. It is assigned to the BSS List in
* GetValueFromBeaconOrProbeRsp().
*/
if (bcck_rate) {
prframe->u.hdr.attrib.signal_strength =
(u8)r8712_signal_scale_mapping(pwdb_all);
} else {
if (rf_rx_num != 0)
prframe->u.hdr.attrib.signal_strength =
(u8)(r8712_signal_scale_mapping(total_rssi /=
rf_rx_num));
}
}
static void process_link_qual(struct _adapter *padapter,
union recv_frame *prframe)
{
u32 last_evm = 0, tmpVal;
struct rx_pkt_attrib *pattrib;
struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
if (!prframe || !padapter)
return;
pattrib = &prframe->u.hdr.attrib;
if (pattrib->signal_qual != 0) {
/*
* 1. Record the general EVM to the sliding window.
*/
if (sqd->total_num++ >= PHY_LINKQUALITY_SLID_WIN_MAX) {
sqd->total_num = PHY_LINKQUALITY_SLID_WIN_MAX;
last_evm = sqd->elements[sqd->index];
sqd->total_val -= last_evm;
}
sqd->total_val += pattrib->signal_qual;
sqd->elements[sqd->index++] = pattrib->signal_qual;
if (sqd->index >= PHY_LINKQUALITY_SLID_WIN_MAX)
sqd->index = 0;
/* <1> Showed on UI for user, in percentage. */
tmpVal = sqd->total_val / sqd->total_num;
padapter->recvpriv.signal = (u8)tmpVal;
}
}
static void process_rssi(struct _adapter *padapter, union recv_frame *prframe)
{
u32 last_rssi, tmp_val;
struct rx_pkt_attrib *pattrib = &prframe->u.hdr.attrib;
struct smooth_rssi_data *ssd = &padapter->recvpriv.signal_strength_data;
if (ssd->total_num++ >= PHY_RSSI_SLID_WIN_MAX) {
ssd->total_num = PHY_RSSI_SLID_WIN_MAX;
last_rssi = ssd->elements[ssd->index];
ssd->total_val -= last_rssi;
}
ssd->total_val += pattrib->signal_strength;
ssd->elements[ssd->index++] = pattrib->signal_strength;
if (ssd->index >= PHY_RSSI_SLID_WIN_MAX)
ssd->index = 0;
tmp_val = ssd->total_val / ssd->total_num;
padapter->recvpriv.rssi = (s8)translate2dbm(padapter, (u8)tmp_val);
}
static void process_phy_info(struct _adapter *padapter,
union recv_frame *prframe)
{
query_rx_phy_status(padapter, prframe);
process_rssi(padapter, prframe);
process_link_qual(padapter, prframe);
}
int recv_func(struct _adapter *padapter, void *pcontext)
{
struct rx_pkt_attrib *pattrib;
union recv_frame *prframe, *orig_prframe;
int retval = _SUCCESS;
struct __queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
prframe = pcontext;
orig_prframe = prframe;
pattrib = &prframe->u.hdr.attrib;
if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
if (pattrib->crc_err == 1)
padapter->mppriv.rx_crcerrpktcount++;
else
padapter->mppriv.rx_pktcount++;
if (!check_fwstate(pmlmepriv, WIFI_MP_LPBK_STATE)) {
/* free this recv_frame */
r8712_free_recvframe(orig_prframe, pfree_recv_queue);
goto _exit_recv_func;
}
}
/* check the frame crtl field and decache */
retval = r8712_validate_recv_frame(padapter, prframe);
if (retval != _SUCCESS) {
/* free this recv_frame */
r8712_free_recvframe(orig_prframe, pfree_recv_queue);
goto _exit_recv_func;
}
process_phy_info(padapter, prframe);
prframe = r8712_decryptor(padapter, prframe);
if (!prframe) {
retval = _FAIL;
goto _exit_recv_func;
}
prframe = r8712_recvframe_chk_defrag(padapter, prframe);
if (!prframe)
goto _exit_recv_func;
prframe = r8712_portctrl(padapter, prframe);
if (!prframe) {
retval = _FAIL;
goto _exit_recv_func;
}
retval = r8712_process_recv_indicatepkts(padapter, prframe);
if (retval != _SUCCESS) {
r8712_free_recvframe(orig_prframe, pfree_recv_queue);
goto _exit_recv_func;
}
_exit_recv_func:
return retval;
}
static void recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb)
{
u8 *pbuf, shift_sz = 0;
u8 frag, mf;
uint pkt_len;
u32 transfer_len;
struct recv_stat *prxstat;
u16 pkt_cnt, drvinfo_sz, pkt_offset, tmp_len, alloc_sz;
struct __queue *pfree_recv_queue;
_pkt *pkt_copy = NULL;
union recv_frame *precvframe = NULL;
struct recv_priv *precvpriv = &padapter->recvpriv;
pfree_recv_queue = &precvpriv->free_recv_queue;
pbuf = pskb->data;
prxstat = (struct recv_stat *)pbuf;
pkt_cnt = (le32_to_cpu(prxstat->rxdw2) >> 16) & 0xff;
pkt_len = le32_to_cpu(prxstat->rxdw0) & 0x00003fff;
transfer_len = pskb->len;
/* Test throughput with Netgear 3700 (No security) with Chariot 3T3R
* pairs. The packet count will be a big number so that the containing
* packet will effect the Rx reordering.
*/
if (transfer_len < pkt_len) {
/* In this case, it means the MAX_RECVBUF_SZ is too small to
* get the data from 8712u.
*/
return;
}
do {
prxstat = (struct recv_stat *)pbuf;
pkt_len = le32_to_cpu(prxstat->rxdw0) & 0x00003fff;
/* more fragment bit */
mf = (le32_to_cpu(prxstat->rxdw1) >> 27) & 0x1;
/* ragmentation number */
frag = (le32_to_cpu(prxstat->rxdw2) >> 12) & 0xf;
/* uint 2^3 = 8 bytes */
drvinfo_sz = (le32_to_cpu(prxstat->rxdw0) & 0x000f0000) >> 16;
drvinfo_sz <<= 3;
if (pkt_len <= 0)
return;
/* Qos data, wireless lan header length is 26 */
if ((le32_to_cpu(prxstat->rxdw0) >> 23) & 0x01)
shift_sz = 2;
precvframe = r8712_alloc_recvframe(pfree_recv_queue);
if (!precvframe)
return;
INIT_LIST_HEAD(&precvframe->u.hdr.list);
precvframe->u.hdr.precvbuf = NULL; /*can't access the precvbuf*/
precvframe->u.hdr.len = 0;
tmp_len = pkt_len + drvinfo_sz + RXDESC_SIZE;
pkt_offset = (u16)round_up(tmp_len, 128);
/* for first fragment packet, driver need allocate 1536 +
* drvinfo_sz + RXDESC_SIZE to defrag packet.
*/
if ((mf == 1) && (frag == 0))
/*1658+6=1664, 1664 is 128 alignment.*/
alloc_sz = max_t(u16, tmp_len, 1658);
else
alloc_sz = tmp_len;
/* 2 is for IP header 4 bytes alignment in QoS packet case.
* 4 is for skb->data 4 bytes alignment.
*/
alloc_sz += 6;
pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz);
if (!pkt_copy)
return;
precvframe->u.hdr.pkt = pkt_copy;
skb_reserve(pkt_copy, 4 - ((addr_t)(pkt_copy->data) % 4));
skb_reserve(pkt_copy, shift_sz);
memcpy(pkt_copy->data, pbuf, tmp_len);
precvframe->u.hdr.rx_head = pkt_copy->data;
precvframe->u.hdr.rx_data = pkt_copy->data;
precvframe->u.hdr.rx_tail = pkt_copy->data;
precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
recvframe_put(precvframe, tmp_len);
recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);
/* because the endian issue, driver avoid reference to the
* rxstat after calling update_recvframe_attrib_from_recvstat();
*/
update_recvframe_attrib_from_recvstat(&precvframe->u.hdr.attrib,
prxstat);
r8712_recv_entry(precvframe);
transfer_len -= pkt_offset;
pbuf += pkt_offset;
pkt_cnt--;
precvframe = NULL;
pkt_copy = NULL;
} while ((transfer_len > 0) && pkt_cnt > 0);
}
static void recv_tasklet(struct tasklet_struct *t)
{
struct sk_buff *pskb;
struct _adapter *padapter = from_tasklet(padapter, t,
recvpriv.recv_tasklet);
struct recv_priv *precvpriv = &padapter->recvpriv;
while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
recvbuf2recvframe(padapter, pskb);
skb_reset_tail_pointer(pskb);
pskb->len = 0;
if (!skb_cloned(pskb))
skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
else
consume_skb(pskb);
}
}
| linux-master | drivers/staging/rtl8712/rtl8712_recv.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* ieee80211.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _IEEE80211_C
#include "drv_types.h"
#include "ieee80211.h"
#include "wifi.h"
#include "osdep_service.h"
#include "wlan_bssdef.h"
static const u8 WPA_OUI_TYPE[] = {0x00, 0x50, 0xf2, 1};
static const u8 WPA_CIPHER_SUITE_NONE[] = {0x00, 0x50, 0xf2, 0};
static const u8 WPA_CIPHER_SUITE_WEP40[] = {0x00, 0x50, 0xf2, 1};
static const u8 WPA_CIPHER_SUITE_TKIP[] = {0x00, 0x50, 0xf2, 2};
static const u8 WPA_CIPHER_SUITE_CCMP[] = {0x00, 0x50, 0xf2, 4};
static const u8 WPA_CIPHER_SUITE_WEP104[] = {0x00, 0x50, 0xf2, 5};
static const u8 RSN_CIPHER_SUITE_NONE[] = {0x00, 0x0f, 0xac, 0};
static const u8 RSN_CIPHER_SUITE_WEP40[] = {0x00, 0x0f, 0xac, 1};
static const u8 RSN_CIPHER_SUITE_TKIP[] = {0x00, 0x0f, 0xac, 2};
static const u8 RSN_CIPHER_SUITE_CCMP[] = {0x00, 0x0f, 0xac, 4};
static const u8 RSN_CIPHER_SUITE_WEP104[] = {0x00, 0x0f, 0xac, 5};
/*-----------------------------------------------------------
* for adhoc-master to generate ie and provide supported-rate to fw
*-----------------------------------------------------------
*/
static u8 WIFI_CCKRATES[] = {
(IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK),
(IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK),
(IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK),
(IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK)
};
static u8 WIFI_OFDMRATES[] = {
(IEEE80211_OFDM_RATE_6MB),
(IEEE80211_OFDM_RATE_9MB),
(IEEE80211_OFDM_RATE_12MB),
(IEEE80211_OFDM_RATE_18MB),
(IEEE80211_OFDM_RATE_24MB),
(IEEE80211_OFDM_RATE_36MB),
(IEEE80211_OFDM_RATE_48MB),
(IEEE80211_OFDM_RATE_54MB)
};
uint r8712_is_cckrates_included(u8 *rate)
{
u32 i = 0;
while (rate[i] != 0) {
if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
(((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
return true;
i++;
}
return false;
}
uint r8712_is_cckratesonly_included(u8 *rate)
{
u32 i = 0;
while (rate[i] != 0) {
if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
(((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
return false;
i++;
}
return true;
}
/* r8712_set_ie will update frame length */
u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen)
{
*pbuf = (u8)index;
*(pbuf + 1) = (u8)len;
if (len > 0)
memcpy((void *)(pbuf + 2), (void *)source, len);
*frlen = *frlen + (len + 2);
return pbuf + len + 2;
}
/* ---------------------------------------------------------------------------
* index: the information element id index, limit is the limit for search
* ---------------------------------------------------------------------------
*/
u8 *r8712_get_ie(u8 *pbuf, sint index, uint *len, sint limit)
{
sint tmp, i;
u8 *p;
if (limit < 1)
return NULL;
p = pbuf;
i = 0;
*len = 0;
while (1) {
if (*p == index) {
*len = *(p + 1);
return p;
}
tmp = *(p + 1);
p += (tmp + 2);
i += (tmp + 2);
if (i >= limit)
break;
}
return NULL;
}
static void set_supported_rate(u8 *rates, uint mode)
{
memset(rates, 0, NDIS_802_11_LENGTH_RATES_EX);
switch (mode) {
case WIRELESS_11B:
memcpy(rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
break;
case WIRELESS_11G:
case WIRELESS_11A:
memcpy(rates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
break;
case WIRELESS_11BG:
memcpy(rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
memcpy(rates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES,
IEEE80211_NUM_OFDM_RATESLEN);
break;
}
}
static uint r8712_get_rateset_len(u8 *rateset)
{
uint i = 0;
while (1) {
if ((rateset[i]) == 0)
break;
if (i > 12)
break;
i++;
}
return i;
}
int r8712_generate_ie(struct registry_priv *registrypriv)
{
int rate_len;
uint sz = 0;
struct wlan_bssid_ex *dev_network = ®istrypriv->dev_network;
u8 *ie = dev_network->IEs;
u16 beacon_period = (u16)dev_network->Configuration.BeaconPeriod;
/*timestamp will be inserted by hardware*/
sz += 8;
ie += sz;
/*beacon interval : 2bytes*/
*(__le16 *)ie = cpu_to_le16(beacon_period);
sz += 2;
ie += 2;
/*capability info*/
*(u16 *)ie = 0;
*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_IBSS);
if (registrypriv->preamble == PREAMBLE_SHORT)
*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
if (dev_network->Privacy)
*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
sz += 2;
ie += 2;
/*SSID*/
ie = r8712_set_ie(ie, WLAN_EID_SSID, dev_network->Ssid.SsidLength,
dev_network->Ssid.Ssid, &sz);
/*supported rates*/
set_supported_rate(dev_network->rates, registrypriv->wireless_mode);
rate_len = r8712_get_rateset_len(dev_network->rates);
if (rate_len > 8) {
ie = r8712_set_ie(ie, WLAN_EID_SUPP_RATES, 8,
dev_network->rates, &sz);
ie = r8712_set_ie(ie, WLAN_EID_EXT_SUPP_RATES, (rate_len - 8),
(dev_network->rates + 8), &sz);
} else {
ie = r8712_set_ie(ie, WLAN_EID_SUPP_RATES,
rate_len, dev_network->rates, &sz);
}
/*DS parameter set*/
ie = r8712_set_ie(ie, WLAN_EID_DS_PARAMS, 1,
(u8 *)&dev_network->Configuration.DSConfig, &sz);
/*IBSS Parameter Set*/
ie = r8712_set_ie(ie, WLAN_EID_IBSS_PARAMS, 2,
(u8 *)&dev_network->Configuration.ATIMWindow, &sz);
return sz;
}
unsigned char *r8712_get_wpa_ie(unsigned char *ie, uint *wpa_ie_len, int limit)
{
u32 len;
u16 val16;
unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
u8 *buf = ie;
while (1) {
buf = r8712_get_ie(buf, _WPA_IE_ID_, &len, limit);
if (buf) {
/*check if oui matches...*/
if (memcmp((buf + 2), wpa_oui_type,
sizeof(wpa_oui_type)))
goto check_next_ie;
/*check version...*/
memcpy((u8 *)&val16, (buf + 6), sizeof(val16));
le16_to_cpus(&val16);
if (val16 != 0x0001)
goto check_next_ie;
*wpa_ie_len = *(buf + 1);
return buf;
}
*wpa_ie_len = 0;
return NULL;
check_next_ie:
limit = limit - (buf - ie) - 2 - len;
if (limit <= 0)
break;
buf += (2 + len);
}
*wpa_ie_len = 0;
return NULL;
}
unsigned char *r8712_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len,
int limit)
{
return r8712_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
}
static int r8712_get_wpa_cipher_suite(u8 *s)
{
if (!memcmp(s, (void *)WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN))
return WPA_CIPHER_NONE;
if (!memcmp(s, (void *)WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN))
return WPA_CIPHER_WEP40;
if (!memcmp(s, (void *)WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN))
return WPA_CIPHER_TKIP;
if (!memcmp(s, (void *)WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN))
return WPA_CIPHER_CCMP;
if (!memcmp(s, (void *)WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN))
return WPA_CIPHER_WEP104;
return 0;
}
static int r8712_get_wpa2_cipher_suite(u8 *s)
{
if (!memcmp(s, (void *)RSN_CIPHER_SUITE_NONE, RSN_SELECTOR_LEN))
return WPA_CIPHER_NONE;
if (!memcmp(s, (void *)RSN_CIPHER_SUITE_WEP40, RSN_SELECTOR_LEN))
return WPA_CIPHER_WEP40;
if (!memcmp(s, (void *)RSN_CIPHER_SUITE_TKIP, RSN_SELECTOR_LEN))
return WPA_CIPHER_TKIP;
if (!memcmp(s, (void *)RSN_CIPHER_SUITE_CCMP, RSN_SELECTOR_LEN))
return WPA_CIPHER_CCMP;
if (!memcmp(s, (void *)RSN_CIPHER_SUITE_WEP104, RSN_SELECTOR_LEN))
return WPA_CIPHER_WEP104;
return 0;
}
int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
int *pairwise_cipher)
{
int i;
int left, count;
u8 *pos;
if (wpa_ie_len <= 0) {
/* No WPA IE - fail silently */
return -EINVAL;
}
if ((*wpa_ie != _WPA_IE_ID_) ||
(*(wpa_ie + 1) != (u8)(wpa_ie_len - 2)) ||
(memcmp(wpa_ie + 2, (void *)WPA_OUI_TYPE, WPA_SELECTOR_LEN)))
return -EINVAL;
pos = wpa_ie;
pos += 8;
left = wpa_ie_len - 8;
/*group_cipher*/
if (left >= WPA_SELECTOR_LEN) {
*group_cipher = r8712_get_wpa_cipher_suite(pos);
pos += WPA_SELECTOR_LEN;
left -= WPA_SELECTOR_LEN;
} else if (left > 0) {
return -EINVAL;
}
/*pairwise_cipher*/
if (left >= 2) {
count = le16_to_cpu(*(__le16 *)pos);
pos += 2;
left -= 2;
if (count == 0 || left < count * WPA_SELECTOR_LEN)
return -EINVAL;
for (i = 0; i < count; i++) {
*pairwise_cipher |= r8712_get_wpa_cipher_suite(pos);
pos += WPA_SELECTOR_LEN;
left -= WPA_SELECTOR_LEN;
}
} else if (left == 1) {
return -EINVAL;
}
return 0;
}
int r8712_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher,
int *pairwise_cipher)
{
int i;
int left, count;
u8 *pos;
if (rsn_ie_len <= 0) {
/* No RSN IE - fail silently */
return -EINVAL;
}
if ((*rsn_ie != _WPA2_IE_ID_) ||
(*(rsn_ie + 1) != (u8)(rsn_ie_len - 2)))
return -EINVAL;
pos = rsn_ie;
pos += 4;
left = rsn_ie_len - 4;
/*group_cipher*/
if (left >= RSN_SELECTOR_LEN) {
*group_cipher = r8712_get_wpa2_cipher_suite(pos);
pos += RSN_SELECTOR_LEN;
left -= RSN_SELECTOR_LEN;
} else if (left > 0) {
return -EINVAL;
}
/*pairwise_cipher*/
if (left >= 2) {
count = le16_to_cpu(*(__le16 *)pos);
pos += 2;
left -= 2;
if (count == 0 || left < count * RSN_SELECTOR_LEN)
return -EINVAL;
for (i = 0; i < count; i++) {
*pairwise_cipher |= r8712_get_wpa2_cipher_suite(pos);
pos += RSN_SELECTOR_LEN;
left -= RSN_SELECTOR_LEN;
}
} else if (left == 1) {
return -EINVAL;
}
return 0;
}
int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
u8 *wpa_ie, u16 *wpa_len)
{
u8 authmode;
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
uint cnt;
/*Search required WPA or WPA2 IE and copy to sec_ie[ ]*/
cnt = _TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_;
while (cnt < in_len) {
authmode = in_ie[cnt];
if ((authmode == _WPA_IE_ID_) &&
(!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
*wpa_len = in_ie[cnt + 1] + 2;
cnt += in_ie[cnt + 1] + 2; /*get next */
} else {
if (authmode == _WPA2_IE_ID_) {
memcpy(rsn_ie, &in_ie[cnt],
in_ie[cnt + 1] + 2);
*rsn_len = in_ie[cnt + 1] + 2;
cnt += in_ie[cnt + 1] + 2; /*get next*/
} else {
cnt += in_ie[cnt + 1] + 2; /*get next*/
}
}
}
return *rsn_len + *wpa_len;
}
int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
{
int match;
uint cnt;
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
cnt = 12;
match = false;
while (cnt < in_len) {
eid = in_ie[cnt];
if ((eid == _WPA_IE_ID_) &&
(!memcmp(&in_ie[cnt + 2], wps_oui, 4))) {
memcpy(wps_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
*wps_ielen = in_ie[cnt + 1] + 2;
cnt += in_ie[cnt + 1] + 2;
match = true;
break;
}
cnt += in_ie[cnt + 1] + 2; /* goto next */
}
return match;
}
| linux-master | drivers/staging/rtl8712/ieee80211.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* usb_intf.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _HCI_INTF_C_
#include <linux/usb.h>
#include <linux/module.h>
#include <linux/firmware.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "xmit_osdep.h"
#include "rtl8712_efuse.h"
#include "usb_ops.h"
#include "usb_osintf.h"
static struct usb_interface *pintf;
static int r871xu_drv_init(struct usb_interface *pusb_intf,
const struct usb_device_id *pdid);
static void r871xu_dev_remove(struct usb_interface *pusb_intf);
static const struct usb_device_id rtl871x_usb_id_tbl[] = {
/* RTL8188SU */
/* Realtek */
{USB_DEVICE(0x0BDA, 0x8171)},
{USB_DEVICE(0x0bda, 0x8173)},
{USB_DEVICE(0x0bda, 0x8712)},
{USB_DEVICE(0x0bda, 0x8713)},
{USB_DEVICE(0x0bda, 0xC512)},
/* Abocom */
{USB_DEVICE(0x07B8, 0x8188)},
/* ASUS */
{USB_DEVICE(0x0B05, 0x1786)},
{USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
/* Belkin */
{USB_DEVICE(0x050D, 0x945A)},
/* ISY IWL - Belkin clone */
{USB_DEVICE(0x050D, 0x11F1)},
/* Corega */
{USB_DEVICE(0x07AA, 0x0047)},
/* D-Link */
{USB_DEVICE(0x2001, 0x3306)},
{USB_DEVICE(0x07D1, 0x3306)}, /* 11n mode disable */
/* Edimax */
{USB_DEVICE(0x7392, 0x7611)},
/* EnGenius */
{USB_DEVICE(0x1740, 0x9603)},
/* Hawking */
{USB_DEVICE(0x0E66, 0x0016)},
/* Hercules */
{USB_DEVICE(0x06F8, 0xE034)},
{USB_DEVICE(0x06F8, 0xE032)},
/* Logitec */
{USB_DEVICE(0x0789, 0x0167)},
/* PCI */
{USB_DEVICE(0x2019, 0xAB28)},
{USB_DEVICE(0x2019, 0xED16)},
/* Sitecom */
{USB_DEVICE(0x0DF6, 0x0057)},
{USB_DEVICE(0x0DF6, 0x0045)},
{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
{USB_DEVICE(0x0DF6, 0x004B)},
{USB_DEVICE(0x0DF6, 0x005B)},
{USB_DEVICE(0x0DF6, 0x005D)},
{USB_DEVICE(0x0DF6, 0x0063)},
/* Sweex */
{USB_DEVICE(0x177F, 0x0154)},
/* Thinkware */
{USB_DEVICE(0x0BDA, 0x5077)},
/* Toshiba */
{USB_DEVICE(0x1690, 0x0752)},
/* - */
{USB_DEVICE(0x20F4, 0x646B)},
{USB_DEVICE(0x083A, 0xC512)},
{USB_DEVICE(0x25D4, 0x4CA1)},
{USB_DEVICE(0x25D4, 0x4CAB)},
/* RTL8191SU */
/* Realtek */
{USB_DEVICE(0x0BDA, 0x8172)},
{USB_DEVICE(0x0BDA, 0x8192)},
/* Amigo */
{USB_DEVICE(0x0EB0, 0x9061)},
/* ASUS/EKB */
{USB_DEVICE(0x13D3, 0x3323)},
{USB_DEVICE(0x13D3, 0x3311)}, /* 11n mode disable */
{USB_DEVICE(0x13D3, 0x3342)},
/* ASUS/EKBLenovo */
{USB_DEVICE(0x13D3, 0x3333)},
{USB_DEVICE(0x13D3, 0x3334)},
{USB_DEVICE(0x13D3, 0x3335)}, /* 11n mode disable */
{USB_DEVICE(0x13D3, 0x3336)}, /* 11n mode disable */
/* ASUS/Media BOX */
{USB_DEVICE(0x13D3, 0x3309)},
/* Belkin */
{USB_DEVICE(0x050D, 0x815F)},
/* D-Link */
{USB_DEVICE(0x07D1, 0x3302)},
{USB_DEVICE(0x07D1, 0x3300)},
{USB_DEVICE(0x07D1, 0x3303)},
/* Edimax */
{USB_DEVICE(0x7392, 0x7612)},
/* EnGenius */
{USB_DEVICE(0x1740, 0x9605)},
/* Guillemot */
{USB_DEVICE(0x06F8, 0xE031)},
/* Hawking */
{USB_DEVICE(0x0E66, 0x0015)},
/* Mediao */
{USB_DEVICE(0x13D3, 0x3306)},
/* PCI */
{USB_DEVICE(0x2019, 0xED18)},
{USB_DEVICE(0x2019, 0x4901)},
/* Sitecom */
{USB_DEVICE(0x0DF6, 0x0058)},
{USB_DEVICE(0x0DF6, 0x0049)},
{USB_DEVICE(0x0DF6, 0x004C)},
{USB_DEVICE(0x0DF6, 0x006C)},
{USB_DEVICE(0x0DF6, 0x0064)},
/* Skyworth */
{USB_DEVICE(0x14b2, 0x3300)},
{USB_DEVICE(0x14b2, 0x3301)},
{USB_DEVICE(0x14B2, 0x3302)},
/* - */
{USB_DEVICE(0x04F2, 0xAFF2)},
{USB_DEVICE(0x04F2, 0xAFF5)},
{USB_DEVICE(0x04F2, 0xAFF6)},
{USB_DEVICE(0x13D3, 0x3339)},
{USB_DEVICE(0x13D3, 0x3340)}, /* 11n mode disable */
{USB_DEVICE(0x13D3, 0x3341)}, /* 11n mode disable */
{USB_DEVICE(0x13D3, 0x3310)},
{USB_DEVICE(0x13D3, 0x3325)},
/* RTL8192SU */
/* Realtek */
{USB_DEVICE(0x0BDA, 0x8174)},
/* Belkin */
{USB_DEVICE(0x050D, 0x845A)},
/* Corega */
{USB_DEVICE(0x07AA, 0x0051)},
/* Edimax */
{USB_DEVICE(0x7392, 0x7622)},
/* NEC */
{USB_DEVICE(0x0409, 0x02B6)},
{}
};
MODULE_DEVICE_TABLE(usb, rtl871x_usb_id_tbl);
static struct specific_device_id specific_device_id_tbl[] = {
{.idVendor = 0x0b05, .idProduct = 0x1791,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x0df6, .idProduct = 0x0059,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13d3, .idProduct = 0x3306,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13D3, .idProduct = 0x3311,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13d3, .idProduct = 0x3335,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13d3, .idProduct = 0x3336,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13d3, .idProduct = 0x3340,
.flags = SPEC_DEV_ID_DISABLE_HT},
{.idVendor = 0x13d3, .idProduct = 0x3341,
.flags = SPEC_DEV_ID_DISABLE_HT},
{}
};
struct drv_priv {
struct usb_driver r871xu_drv;
int drv_registered;
};
#ifdef CONFIG_PM
static int r871x_suspend(struct usb_interface *pusb_intf, pm_message_t state)
{
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
struct _adapter *padapter = netdev_priv(pnetdev);
netdev_info(pnetdev, "Suspending...\n");
padapter->suspended = true;
rtl871x_intf_stop(padapter);
if (pnetdev->netdev_ops->ndo_stop)
pnetdev->netdev_ops->ndo_stop(pnetdev);
mdelay(10);
netif_device_detach(pnetdev);
return 0;
}
static void rtl871x_intf_resume(struct _adapter *padapter)
{
if (padapter->dvobjpriv.inirp_init)
padapter->dvobjpriv.inirp_init(padapter);
}
static int r871x_resume(struct usb_interface *pusb_intf)
{
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
struct _adapter *padapter = netdev_priv(pnetdev);
netdev_info(pnetdev, "Resuming...\n");
netif_device_attach(pnetdev);
if (pnetdev->netdev_ops->ndo_open)
pnetdev->netdev_ops->ndo_open(pnetdev);
padapter->suspended = false;
rtl871x_intf_resume(padapter);
return 0;
}
#endif
static struct drv_priv drvpriv = {
.r871xu_drv.name = "r8712u",
.r871xu_drv.id_table = rtl871x_usb_id_tbl,
.r871xu_drv.probe = r871xu_drv_init,
.r871xu_drv.disconnect = r871xu_dev_remove,
#ifdef CONFIG_PM
.r871xu_drv.suspend = r871x_suspend,
.r871xu_drv.resume = r871x_resume,
#endif
};
static uint r8712_usb_dvobj_init(struct _adapter *padapter)
{
uint status = _SUCCESS;
struct usb_host_interface *phost_iface;
struct usb_interface_descriptor *piface_desc;
struct dvobj_priv *pdvobjpriv = &padapter->dvobjpriv;
struct usb_device *pusbd = pdvobjpriv->pusbdev;
pdvobjpriv->padapter = padapter;
padapter->eeprom_address_size = 6;
phost_iface = pintf->cur_altsetting;
piface_desc = &phost_iface->desc;
pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
if (pusbd->speed == USB_SPEED_HIGH) {
pdvobjpriv->ishighspeed = true;
dev_info(&pusbd->dev, "r8712u: USB_SPEED_HIGH with %d endpoints\n",
pdvobjpriv->nr_endpoint);
} else {
pdvobjpriv->ishighspeed = false;
dev_info(&pusbd->dev, "r8712u: USB_SPEED_LOW with %d endpoints\n",
pdvobjpriv->nr_endpoint);
}
if ((r8712_alloc_io_queue(padapter)) == _FAIL)
status = _FAIL;
return status;
}
static void r8712_usb_dvobj_deinit(struct _adapter *padapter)
{
r8712_free_io_queue(padapter);
}
void rtl871x_intf_stop(struct _adapter *padapter)
{
/*disable_hw_interrupt*/
if (!padapter->surprise_removed) {
/*device still exists, so driver can do i/o operation
* TODO:
*/
}
/* cancel in irp */
if (padapter->dvobjpriv.inirp_deinit)
padapter->dvobjpriv.inirp_deinit(padapter);
/* cancel out irp */
r8712_usb_write_port_cancel(padapter);
/* TODO:cancel other irps */
}
void r871x_dev_unload(struct _adapter *padapter)
{
if (padapter->bup) {
/*s1.*/
padapter->driver_stopped = true;
/*s3.*/
rtl871x_intf_stop(padapter);
/*s4.*/
r8712_stop_drv_threads(padapter);
/*s5.*/
if (!padapter->surprise_removed) {
padapter->hw_init_completed = false;
rtl8712_hal_deinit(padapter);
}
padapter->bup = false;
}
}
static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
struct _adapter *padapter)
{
u16 vid, pid;
u32 flags;
int i;
int num = ARRAY_SIZE(specific_device_id_tbl);
for (i = 0; i < num; i++) {
vid = specific_device_id_tbl[i].idVendor;
pid = specific_device_id_tbl[i].idProduct;
flags = specific_device_id_tbl[i].flags;
if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
(flags & SPEC_DEV_ID_DISABLE_HT)) {
padapter->registrypriv.ht_enable = 0;
padapter->registrypriv.cbw40_enable = 0;
padapter->registrypriv.ampdu_enable = 0;
}
}
}
static const struct device_type wlan_type = {
.name = "wlan",
};
/*
* drv_init() - a device potentially for us
*
* notes: drv_init() is called when the bus driver has located a card for us
* to support. We accept the new device by returning 0.
*/
static int r871xu_drv_init(struct usb_interface *pusb_intf,
const struct usb_device_id *pdid)
{
uint status;
struct _adapter *padapter = NULL;
struct dvobj_priv *pdvobjpriv;
struct net_device *pnetdev;
struct usb_device *udev;
/* In this probe function, O.S. will provide the usb interface pointer
* to driver. We have to increase the reference count of the usb device
* structure by using the usb_get_dev function.
*/
udev = interface_to_usbdev(pusb_intf);
usb_get_dev(udev);
pintf = pusb_intf;
/* step 1. */
pnetdev = r8712_init_netdev();
if (!pnetdev)
goto put_dev;
padapter = netdev_priv(pnetdev);
disable_ht_for_spec_devid(pdid, padapter);
pdvobjpriv = &padapter->dvobjpriv;
pdvobjpriv->padapter = padapter;
padapter->dvobjpriv.pusbdev = udev;
padapter->pusb_intf = pusb_intf;
usb_set_intfdata(pusb_intf, pnetdev);
SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
pnetdev->dev.type = &wlan_type;
/* step 2. */
padapter->dvobj_init = r8712_usb_dvobj_init;
padapter->dvobj_deinit = r8712_usb_dvobj_deinit;
padapter->halpriv.hal_bus_init = r8712_usb_hal_bus_init;
padapter->dvobjpriv.inirp_init = r8712_usb_inirp_init;
padapter->dvobjpriv.inirp_deinit = r8712_usb_inirp_deinit;
/* step 3.
* initialize the dvobj_priv
*/
status = padapter->dvobj_init(padapter);
if (status != _SUCCESS)
goto free_netdev;
/* step 4. */
status = r8712_init_drv_sw(padapter);
if (status)
goto dvobj_deinit;
/* step 5. read efuse/eeprom data and get mac_addr */
{
int i, offset;
u8 mac[6];
u8 tmpU1b, AutoloadFail, eeprom_CustomerID;
u8 *pdata = padapter->eeprompriv.efuse_eeprom_data;
tmpU1b = r8712_read8(padapter, EE_9346CR);/*CR9346*/
/* To check system boot selection.*/
dev_info(&udev->dev, "r8712u: Boot from %s: Autoload %s\n",
(tmpU1b & _9356SEL) ? "EEPROM" : "EFUSE",
(tmpU1b & _EEPROM_EN) ? "OK" : "Failed");
/* To check autoload success or not.*/
if (tmpU1b & _EEPROM_EN) {
AutoloadFail = true;
/* The following operations prevent Efuse leakage by
* turning on 2.5V.
*/
tmpU1b = r8712_read8(padapter, EFUSE_TEST + 3);
r8712_write8(padapter, EFUSE_TEST + 3, tmpU1b | 0x80);
msleep(20);
r8712_write8(padapter, EFUSE_TEST + 3,
(tmpU1b & (~BIT(7))));
/* Retrieve Chip version.
* Recognize IC version by Reg0x4 BIT15.
*/
tmpU1b = (u8)((r8712_read32(padapter, PMC_FSM) >> 15) &
0x1F);
if (tmpU1b == 0x3)
padapter->registrypriv.chip_version =
RTL8712_3rdCUT;
else
padapter->registrypriv.chip_version =
(tmpU1b >> 1) + 1;
switch (padapter->registrypriv.chip_version) {
case RTL8712_1stCUT:
case RTL8712_2ndCUT:
case RTL8712_3rdCUT:
break;
default:
padapter->registrypriv.chip_version =
RTL8712_2ndCUT;
break;
}
for (i = 0, offset = 0; i < 128; i += 8, offset++)
r8712_efuse_pg_packet_read(padapter, offset,
&pdata[i]);
if (!r8712_initmac || !mac_pton(r8712_initmac, mac)) {
/* Use the mac address stored in the Efuse
* offset = 0x12 for usb in efuse
*/
ether_addr_copy(mac, &pdata[0x12]);
}
eeprom_CustomerID = pdata[0x52];
switch (eeprom_CustomerID) {
case EEPROM_CID_ALPHA:
padapter->eeprompriv.CustomerID =
RT_CID_819x_ALPHA;
break;
case EEPROM_CID_CAMEO:
padapter->eeprompriv.CustomerID =
RT_CID_819x_CAMEO;
break;
case EEPROM_CID_SITECOM:
padapter->eeprompriv.CustomerID =
RT_CID_819x_Sitecom;
break;
case EEPROM_CID_COREGA:
padapter->eeprompriv.CustomerID =
RT_CID_COREGA;
break;
case EEPROM_CID_Senao:
padapter->eeprompriv.CustomerID =
RT_CID_819x_Senao;
break;
case EEPROM_CID_EDIMAX_BELKIN:
padapter->eeprompriv.CustomerID =
RT_CID_819x_Edimax_Belkin;
break;
case EEPROM_CID_SERCOMM_BELKIN:
padapter->eeprompriv.CustomerID =
RT_CID_819x_Sercomm_Belkin;
break;
case EEPROM_CID_WNC_COREGA:
padapter->eeprompriv.CustomerID =
RT_CID_819x_WNC_COREGA;
break;
case EEPROM_CID_WHQL:
break;
case EEPROM_CID_NetCore:
padapter->eeprompriv.CustomerID =
RT_CID_819x_Netcore;
break;
case EEPROM_CID_CAMEO1:
padapter->eeprompriv.CustomerID =
RT_CID_819x_CAMEO1;
break;
case EEPROM_CID_CLEVO:
padapter->eeprompriv.CustomerID =
RT_CID_819x_CLEVO;
break;
default:
padapter->eeprompriv.CustomerID =
RT_CID_DEFAULT;
break;
}
dev_info(&udev->dev, "r8712u: CustomerID = 0x%.4x\n",
padapter->eeprompriv.CustomerID);
/* Led mode */
switch (padapter->eeprompriv.CustomerID) {
case RT_CID_DEFAULT:
case RT_CID_819x_ALPHA:
case RT_CID_819x_CAMEO:
padapter->ledpriv.LedStrategy = SW_LED_MODE1;
padapter->ledpriv.bRegUseLed = true;
break;
case RT_CID_819x_Sitecom:
padapter->ledpriv.LedStrategy = SW_LED_MODE2;
padapter->ledpriv.bRegUseLed = true;
break;
case RT_CID_COREGA:
case RT_CID_819x_Senao:
padapter->ledpriv.LedStrategy = SW_LED_MODE3;
padapter->ledpriv.bRegUseLed = true;
break;
case RT_CID_819x_Edimax_Belkin:
padapter->ledpriv.LedStrategy = SW_LED_MODE4;
padapter->ledpriv.bRegUseLed = true;
break;
case RT_CID_819x_Sercomm_Belkin:
padapter->ledpriv.LedStrategy = SW_LED_MODE5;
padapter->ledpriv.bRegUseLed = true;
break;
case RT_CID_819x_WNC_COREGA:
padapter->ledpriv.LedStrategy = SW_LED_MODE6;
padapter->ledpriv.bRegUseLed = true;
break;
default:
padapter->ledpriv.LedStrategy = SW_LED_MODE0;
padapter->ledpriv.bRegUseLed = false;
break;
}
} else {
AutoloadFail = false;
}
if ((!AutoloadFail) ||
((mac[0] == 0xff) && (mac[1] == 0xff) &&
(mac[2] == 0xff) && (mac[3] == 0xff) &&
(mac[4] == 0xff) && (mac[5] == 0xff)) ||
((mac[0] == 0x00) && (mac[1] == 0x00) &&
(mac[2] == 0x00) && (mac[3] == 0x00) &&
(mac[4] == 0x00) && (mac[5] == 0x00))) {
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0x4c;
mac[3] = 0x87;
mac[4] = 0x00;
mac[5] = 0x00;
}
if (r8712_initmac) {
/* Make sure the user did not select a multicast
* address by setting bit 1 of first octet.
*/
mac[0] &= 0xFE;
dev_info(&udev->dev,
"r8712u: MAC Address from user = %pM\n", mac);
} else {
dev_info(&udev->dev,
"r8712u: MAC Address from efuse = %pM\n", mac);
}
eth_hw_addr_set(pnetdev, mac);
}
/* step 6. Load the firmware asynchronously */
if (rtl871x_load_fw(padapter))
goto deinit_drv_sw;
init_completion(&padapter->rx_filter_ready);
return 0;
deinit_drv_sw:
r8712_free_drv_sw(padapter);
dvobj_deinit:
padapter->dvobj_deinit(padapter);
free_netdev:
free_netdev(pnetdev);
put_dev:
usb_put_dev(udev);
usb_set_intfdata(pusb_intf, NULL);
return -ENODEV;
}
/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove()
* => how to recognize both
*/
static void r871xu_dev_remove(struct usb_interface *pusb_intf)
{
struct net_device *pnetdev = usb_get_intfdata(pusb_intf);
struct usb_device *udev = interface_to_usbdev(pusb_intf);
struct _adapter *padapter = netdev_priv(pnetdev);
/* never exit with a firmware callback pending */
wait_for_completion(&padapter->rtl8712_fw_ready);
if (pnetdev->reg_state != NETREG_UNINITIALIZED)
unregister_netdev(pnetdev); /* will call netdev_close() */
usb_set_intfdata(pusb_intf, NULL);
release_firmware(padapter->fw);
if (drvpriv.drv_registered)
padapter->surprise_removed = true;
r8712_flush_rwctrl_works(padapter);
r8712_flush_led_works(padapter);
udelay(1);
/* Stop driver mlme relation timer */
r8712_stop_drv_timers(padapter);
r871x_dev_unload(padapter);
if (padapter->dvobj_deinit)
padapter->dvobj_deinit(padapter);
r8712_free_drv_sw(padapter);
free_netdev(pnetdev);
/* decrease the reference count of the usb device structure
* when disconnect
*/
usb_put_dev(udev);
/* If we didn't unplug usb dongle and remove/insert module, driver
* fails on sitesurvey for the first time when device is up.
* Reset usb port for sitesurvey fail issue.
*/
if (udev->state != USB_STATE_NOTATTACHED)
usb_reset_device(udev);
}
static int __init r8712u_drv_entry(void)
{
drvpriv.drv_registered = true;
return usb_register(&drvpriv.r871xu_drv);
}
static void __exit r8712u_drv_halt(void)
{
drvpriv.drv_registered = false;
usb_deregister(&drvpriv.r871xu_drv);
}
module_init(r8712u_drv_entry);
module_exit(r8712u_drv_halt);
| linux-master | drivers/staging/rtl8712/usb_intf.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_recv.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_RECV_C_
#include <linux/ip.h>
#include <linux/if_ether.h>
#include <linux/etherdevice.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "mlme_osdep.h"
#include "ethernet.h"
#include "usb_ops.h"
#include "wifi.h"
static const u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
/* Datagram Delivery Protocol */
static const u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
{
memset((u8 *)psta_recvpriv, 0, sizeof(struct sta_recv_priv));
spin_lock_init(&psta_recvpriv->lock);
_init_queue(&psta_recvpriv->defrag_q);
}
int _r8712_init_recv_priv(struct recv_priv *precvpriv,
struct _adapter *padapter)
{
int ret;
sint i;
union recv_frame *precvframe;
memset((unsigned char *)precvpriv, 0, sizeof(struct recv_priv));
spin_lock_init(&precvpriv->lock);
_init_queue(&precvpriv->free_recv_queue);
_init_queue(&precvpriv->recv_pending_queue);
precvpriv->adapter = padapter;
precvpriv->free_recvframe_cnt = NR_RECVFRAME;
precvpriv->pallocated_frame_buf = kzalloc(NR_RECVFRAME *
sizeof(union recv_frame) + RXFRAME_ALIGN_SZ,
GFP_ATOMIC);
if (!precvpriv->pallocated_frame_buf)
return -ENOMEM;
precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf +
RXFRAME_ALIGN_SZ -
((addr_t)(precvpriv->pallocated_frame_buf) &
(RXFRAME_ALIGN_SZ - 1));
precvframe = (union recv_frame *)precvpriv->precv_frame_buf;
for (i = 0; i < NR_RECVFRAME; i++) {
INIT_LIST_HEAD(&(precvframe->u.list));
list_add_tail(&(precvframe->u.list),
&(precvpriv->free_recv_queue.queue));
r8712_os_recv_resource_alloc(padapter, precvframe);
precvframe->u.hdr.adapter = padapter;
precvframe++;
}
precvpriv->rx_pending_cnt = 1;
ret = r8712_init_recv_priv(precvpriv, padapter);
if (ret)
kfree(precvpriv->pallocated_frame_buf);
return ret;
}
void _r8712_free_recv_priv(struct recv_priv *precvpriv)
{
kfree(precvpriv->pallocated_frame_buf);
r8712_free_recv_priv(precvpriv);
}
union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue)
{
unsigned long irqL;
union recv_frame *precvframe;
struct _adapter *padapter;
struct recv_priv *precvpriv;
spin_lock_irqsave(&pfree_recv_queue->lock, irqL);
precvframe = list_first_entry_or_null(&pfree_recv_queue->queue,
union recv_frame, u.hdr.list);
if (precvframe) {
list_del_init(&precvframe->u.hdr.list);
padapter = precvframe->u.hdr.adapter;
if (padapter) {
precvpriv = &padapter->recvpriv;
if (pfree_recv_queue == &precvpriv->free_recv_queue)
precvpriv->free_recvframe_cnt--;
}
}
spin_unlock_irqrestore(&pfree_recv_queue->lock, irqL);
return precvframe;
}
/*
* caller : defrag; recvframe_chk_defrag in recv_thread (passive)
* pframequeue: defrag_queue : will be accessed in recv_thread (passive)
* using spin_lock to protect
*/
void r8712_free_recvframe_queue(struct __queue *pframequeue,
struct __queue *pfree_recv_queue)
{
union recv_frame *precvframe;
struct list_head *plist, *phead;
spin_lock(&pframequeue->lock);
phead = &pframequeue->queue;
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
precvframe = container_of(plist, union recv_frame, u.list);
plist = plist->next;
r8712_free_recvframe(precvframe, pfree_recv_queue);
}
spin_unlock(&pframequeue->lock);
}
sint r8712_recvframe_chkmic(struct _adapter *adapter,
union recv_frame *precvframe)
{
sint i, res = _SUCCESS;
u32 datalen;
u8 miccode[8];
u8 bmic_err = false;
u8 *pframe, *payload, *pframemic;
u8 *mickey, idx, *iv;
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib = &precvframe->u.hdr.attrib;
struct security_priv *psecuritypriv = &adapter->securitypriv;
stainfo = r8712_get_stainfo(&adapter->stapriv, &prxattrib->ta[0]);
if (prxattrib->encrypt == _TKIP_) {
/* calculate mic code */
if (stainfo) {
if (is_multicast_ether_addr(prxattrib->ra)) {
iv = precvframe->u.hdr.rx_data +
prxattrib->hdrlen;
idx = iv[3];
mickey = &psecuritypriv->XGrprxmickey[(((idx >>
6) & 0x3)) - 1].skey[0];
if (!psecuritypriv->binstallGrpkey)
return _FAIL;
} else {
mickey = &stainfo->tkiprxmickey.skey[0];
}
/*icv_len included the mic code*/
datalen = precvframe->u.hdr.len - prxattrib->hdrlen -
prxattrib->iv_len - prxattrib->icv_len - 8;
pframe = precvframe->u.hdr.rx_data;
payload = pframe + prxattrib->hdrlen +
prxattrib->iv_len;
seccalctkipmic(mickey, pframe, payload, datalen,
&miccode[0],
(unsigned char)prxattrib->priority);
pframemic = payload + datalen;
bmic_err = false;
for (i = 0; i < 8; i++) {
if (miccode[i] != *(pframemic + i))
bmic_err = true;
}
if (bmic_err) {
if (prxattrib->bdecrypted)
r8712_handle_tkip_mic_err(adapter,
(u8)is_multicast_ether_addr(prxattrib->ra));
res = _FAIL;
} else {
/* mic checked ok */
if (!psecuritypriv->bcheck_grpkey &&
is_multicast_ether_addr(prxattrib->ra))
psecuritypriv->bcheck_grpkey = true;
}
recvframe_pull_tail(precvframe, 8);
}
}
return res;
}
/* decrypt and set the ivlen,icvlen of the recv_frame */
union recv_frame *r8712_decryptor(struct _adapter *padapter,
union recv_frame *precv_frame)
{
struct rx_pkt_attrib *prxattrib = &precv_frame->u.hdr.attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
union recv_frame *return_packet = precv_frame;
if ((prxattrib->encrypt > 0) && ((prxattrib->bdecrypted == 0) ||
psecuritypriv->sw_decrypt)) {
psecuritypriv->hw_decrypted = false;
switch (prxattrib->encrypt) {
case _WEP40_:
case _WEP104_:
r8712_wep_decrypt(padapter, (u8 *)precv_frame);
break;
case _TKIP_:
r8712_tkip_decrypt(padapter, (u8 *)precv_frame);
break;
case _AES_:
r8712_aes_decrypt(padapter, (u8 *)precv_frame);
break;
default:
break;
}
} else if (prxattrib->bdecrypted == 1) {
psecuritypriv->hw_decrypted = true;
}
return return_packet;
}
/*###set the security information in the recv_frame */
union recv_frame *r8712_portctrl(struct _adapter *adapter,
union recv_frame *precv_frame)
{
u8 *psta_addr, *ptr;
uint auth_alg;
struct recv_frame_hdr *pfhdr;
struct sta_info *psta;
struct sta_priv *pstapriv;
union recv_frame *prtnframe;
u16 ether_type;
pstapriv = &adapter->stapriv;
ptr = precv_frame->u.hdr.rx_data;
pfhdr = &precv_frame->u.hdr;
psta_addr = pfhdr->attrib.ta;
psta = r8712_get_stainfo(pstapriv, psta_addr);
auth_alg = adapter->securitypriv.AuthAlgrthm;
if (auth_alg == 2) {
/* get ether_type */
ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
ether_type = get_unaligned_be16(ptr);
if (psta && psta->ieee8021x_blocked) {
/* blocked
* only accept EAPOL frame
*/
if (ether_type == 0x888e) {
prtnframe = precv_frame;
} else {
/*free this frame*/
r8712_free_recvframe(precv_frame,
&adapter->recvpriv.free_recv_queue);
prtnframe = NULL;
}
} else {
/* allowed
* check decryption status, and decrypt the
* frame if needed
*/
prtnframe = precv_frame;
/* check is the EAPOL frame or not (Rekey) */
if (ether_type == 0x888e) {
/* check Rekey */
prtnframe = precv_frame;
}
}
} else {
prtnframe = precv_frame;
}
return prtnframe;
}
static sint recv_decache(union recv_frame *precv_frame, u8 bretry,
struct stainfo_rxcache *prxcache)
{
sint tid = precv_frame->u.hdr.attrib.priority;
u16 seq_ctrl = ((precv_frame->u.hdr.attrib.seq_num & 0xffff) << 4) |
(precv_frame->u.hdr.attrib.frag_num & 0xf);
if (tid > 15)
return _FAIL;
if (seq_ctrl == prxcache->tid_rxseq[tid])
return _FAIL;
prxcache->tid_rxseq[tid] = seq_ctrl;
return _SUCCESS;
}
static sint sta2sta_data_frame(struct _adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
sint ret = _SUCCESS;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = myid(&adapter->eeprompriv);
u8 *sta_addr = NULL;
bool bmcast = is_multicast_ether_addr(pattrib->dst);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
/* filter packets that SA is myself or multicast or broadcast */
if (!memcmp(myhwaddr, pattrib->src, ETH_ALEN))
return _FAIL;
if ((memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast))
return _FAIL;
if (is_zero_ether_addr(pattrib->bssid) ||
is_zero_ether_addr(mybssid) ||
(memcmp(pattrib->bssid, mybssid, ETH_ALEN)))
return _FAIL;
sta_addr = pattrib->src;
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
/* For Station mode, sa and bssid should always be BSSID,
* and DA is my mac-address
*/
if (memcmp(pattrib->bssid, pattrib->src, ETH_ALEN))
return _FAIL;
sta_addr = pattrib->bssid;
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
if (bmcast) {
/* For AP mode, if DA == MCAST, then BSSID should
* be also MCAST
*/
if (!is_multicast_ether_addr(pattrib->bssid))
return _FAIL;
} else { /* not mc-frame */
/* For AP mode, if DA is non-MCAST, then it must be
* BSSID, and bssid == BSSID
*/
if (memcmp(pattrib->bssid, pattrib->dst, ETH_ALEN))
return _FAIL;
sta_addr = pattrib->src;
}
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
sta_addr = mybssid;
} else {
ret = _FAIL;
}
if (bmcast)
*psta = r8712_get_bcmc_stainfo(adapter);
else
*psta = r8712_get_stainfo(pstapriv, sta_addr); /* get ap_info */
if (!*psta) {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
adapter->mppriv.rx_pktloss++;
return _FAIL;
}
return ret;
}
static sint ap2sta_data_frame(struct _adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta)
{
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *mybssid = get_bssid(pmlmepriv);
u8 *myhwaddr = myid(&adapter->eeprompriv);
bool bmcast = is_multicast_ether_addr(pattrib->dst);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
/* if NULL-frame, drop packet */
if ((GetFrameSubType(ptr)) == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC))
return _FAIL;
/* drop QoS-SubType Data, including QoS NULL,
* excluding QoS-Data
*/
if ((GetFrameSubType(ptr) & WIFI_QOS_DATA_TYPE) ==
WIFI_QOS_DATA_TYPE) {
if (GetFrameSubType(ptr) & (BIT(4) | BIT(5) | BIT(6)))
return _FAIL;
}
/* filter packets that SA is myself or multicast or broadcast */
if (!memcmp(myhwaddr, pattrib->src, ETH_ALEN))
return _FAIL;
/* da should be for me */
if ((memcmp(myhwaddr, pattrib->dst, ETH_ALEN)) && (!bmcast))
return _FAIL;
/* check BSSID */
if (is_zero_ether_addr(pattrib->bssid) ||
is_zero_ether_addr(mybssid) ||
(memcmp(pattrib->bssid, mybssid, ETH_ALEN)))
return _FAIL;
if (bmcast)
*psta = r8712_get_bcmc_stainfo(adapter);
else
*psta = r8712_get_stainfo(pstapriv, pattrib->bssid);
if (!*psta)
return _FAIL;
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
memcpy(pattrib->dst, GetAddr1Ptr(ptr), ETH_ALEN);
memcpy(pattrib->src, GetAddr2Ptr(ptr), ETH_ALEN);
memcpy(pattrib->bssid, GetAddr3Ptr(ptr), ETH_ALEN);
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
memcpy(pattrib->bssid, mybssid, ETH_ALEN);
*psta = r8712_get_stainfo(pstapriv, pattrib->bssid);
if (!*psta)
return _FAIL;
} else {
return _FAIL;
}
return _SUCCESS;
}
static sint sta2ap_data_frame(struct _adapter *adapter,
union recv_frame *precv_frame,
struct sta_info **psta)
{
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct sta_priv *pstapriv = &adapter->stapriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
unsigned char *mybssid = get_bssid(pmlmepriv);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
/* For AP mode, if DA is non-MCAST, then it must be BSSID,
* and bssid == BSSID
* For AP mode, RA=BSSID, TX=STA(SRC_ADDR), A3=DST_ADDR
*/
if (memcmp(pattrib->bssid, mybssid, ETH_ALEN))
return _FAIL;
*psta = r8712_get_stainfo(pstapriv, pattrib->src);
if (!*psta)
return _FAIL;
}
return _SUCCESS;
}
static sint validate_recv_ctrl_frame(struct _adapter *adapter,
union recv_frame *precv_frame)
{
return _FAIL;
}
static sint validate_recv_mgnt_frame(struct _adapter *adapter,
union recv_frame *precv_frame)
{
return _FAIL;
}
static sint validate_recv_data_frame(struct _adapter *adapter,
union recv_frame *precv_frame)
{
int res;
u8 bretry;
u8 *psa, *pda, *pbssid;
struct sta_info *psta = NULL;
u8 *ptr = precv_frame->u.hdr.rx_data;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
struct security_priv *psecuritypriv = &adapter->securitypriv;
bretry = GetRetry(ptr);
pda = ieee80211_get_DA((struct ieee80211_hdr *)ptr);
psa = ieee80211_get_SA((struct ieee80211_hdr *)ptr);
pbssid = get_hdr_bssid(ptr);
if (!pbssid)
return _FAIL;
memcpy(pattrib->dst, pda, ETH_ALEN);
memcpy(pattrib->src, psa, ETH_ALEN);
memcpy(pattrib->bssid, pbssid, ETH_ALEN);
switch (pattrib->to_fr_ds) {
case 0:
memcpy(pattrib->ra, pda, ETH_ALEN);
memcpy(pattrib->ta, psa, ETH_ALEN);
res = sta2sta_data_frame(adapter, precv_frame, &psta);
break;
case 1:
memcpy(pattrib->ra, pda, ETH_ALEN);
memcpy(pattrib->ta, pbssid, ETH_ALEN);
res = ap2sta_data_frame(adapter, precv_frame, &psta);
break;
case 2:
memcpy(pattrib->ra, pbssid, ETH_ALEN);
memcpy(pattrib->ta, psa, ETH_ALEN);
res = sta2ap_data_frame(adapter, precv_frame, &psta);
break;
case 3:
memcpy(pattrib->ra, GetAddr1Ptr(ptr), ETH_ALEN);
memcpy(pattrib->ta, GetAddr2Ptr(ptr), ETH_ALEN);
return _FAIL;
default:
return _FAIL;
}
if (res == _FAIL)
return _FAIL;
if (!psta)
return _FAIL;
precv_frame->u.hdr.psta = psta;
pattrib->amsdu = 0;
/* parsing QC field */
if (pattrib->qos == 1) {
pattrib->priority = GetPriority((ptr + 24));
pattrib->ack_policy = GetAckpolicy((ptr + 24));
pattrib->amsdu = GetAMsdu((ptr + 24));
pattrib->hdrlen = pattrib->to_fr_ds == 3 ? 32 : 26;
} else {
pattrib->priority = 0;
pattrib->hdrlen = (pattrib->to_fr_ds == 3) ? 30 : 24;
}
if (pattrib->order)/*HT-CTRL 11n*/
pattrib->hdrlen += 4;
precv_frame->u.hdr.preorder_ctrl =
&psta->recvreorder_ctrl[pattrib->priority];
/* decache, drop duplicate recv packets */
if (recv_decache(precv_frame, bretry, &psta->sta_recvpriv.rxcache) ==
_FAIL)
return _FAIL;
if (pattrib->privacy) {
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt,
is_multicast_ether_addr(pattrib->ra));
SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len,
pattrib->encrypt);
} else {
pattrib->encrypt = 0;
pattrib->iv_len = pattrib->icv_len = 0;
}
return _SUCCESS;
}
sint r8712_validate_recv_frame(struct _adapter *adapter,
union recv_frame *precv_frame)
{
/*shall check frame subtype, to / from ds, da, bssid */
/*then call check if rx seq/frag. duplicated.*/
u8 type;
u8 subtype;
sint retval = _SUCCESS;
struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
u8 *ptr = precv_frame->u.hdr.rx_data;
u8 ver = (unsigned char)(*ptr) & 0x3;
/*add version chk*/
if (ver != 0)
return _FAIL;
type = GetFrameType(ptr);
subtype = GetFrameSubType(ptr); /*bit(7)~bit(2)*/
pattrib->to_fr_ds = get_tofr_ds(ptr);
pattrib->frag_num = GetFragNum(ptr);
pattrib->seq_num = GetSequence(ptr);
pattrib->pw_save = GetPwrMgt(ptr);
pattrib->mfrag = GetMFrag(ptr);
pattrib->mdata = GetMData(ptr);
pattrib->privacy = GetPrivacy(ptr);
pattrib->order = GetOrder(ptr);
switch (type) {
case IEEE80211_FTYPE_MGMT:
retval = validate_recv_mgnt_frame(adapter, precv_frame);
break;
case IEEE80211_FTYPE_CTL:
retval = validate_recv_ctrl_frame(adapter, precv_frame);
break;
case IEEE80211_FTYPE_DATA:
pattrib->qos = (subtype & BIT(7)) ? 1 : 0;
retval = validate_recv_data_frame(adapter, precv_frame);
break;
default:
return _FAIL;
}
return retval;
}
int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe)
{
/*remove the wlanhdr and add the eth_hdr*/
sint rmv_len;
u16 len;
u8 bsnaphdr;
u8 *psnap_type;
struct ieee80211_snap_hdr *psnap;
struct _adapter *adapter = precvframe->u.hdr.adapter;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
u8 *ptr = precvframe->u.hdr.rx_data; /*point to frame_ctrl field*/
struct rx_pkt_attrib *pattrib = &precvframe->u.hdr.attrib;
if (pattrib->encrypt)
recvframe_pull_tail(precvframe, pattrib->icv_len);
psnap = (struct ieee80211_snap_hdr *)(ptr + pattrib->hdrlen +
pattrib->iv_len);
psnap_type = ptr + pattrib->hdrlen + pattrib->iv_len + SNAP_SIZE;
/* convert hdr + possible LLC headers into Ethernet header */
if ((!memcmp(psnap, (void *)rfc1042_header, SNAP_SIZE) &&
(memcmp(psnap_type, (void *)SNAP_ETH_TYPE_IPX, 2)) &&
(memcmp(psnap_type, (void *)SNAP_ETH_TYPE_APPLETALK_AARP, 2))) ||
!memcmp(psnap, (void *)bridge_tunnel_header, SNAP_SIZE)) {
/* remove RFC1042 or Bridge-Tunnel encapsulation and
* replace EtherType
*/
bsnaphdr = true;
} else {
/* Leave Ethernet header part of hdr and full payload */
bsnaphdr = false;
}
rmv_len = pattrib->hdrlen + pattrib->iv_len +
(bsnaphdr ? SNAP_SIZE : 0);
len = precvframe->u.hdr.len - rmv_len;
if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
ptr += rmv_len;
*ptr = 0x87;
*(ptr + 1) = 0x12;
/* append rx status for mp test packets */
ptr = recvframe_pull(precvframe, (rmv_len -
sizeof(struct ethhdr) + 2) - 24);
if (!ptr)
return -ENOMEM;
memcpy(ptr, get_rxmem(precvframe), 24);
ptr += 24;
} else {
ptr = recvframe_pull(precvframe, (rmv_len -
sizeof(struct ethhdr) + (bsnaphdr ? 2 : 0)));
if (!ptr)
return -ENOMEM;
}
memcpy(ptr, pattrib->dst, ETH_ALEN);
memcpy(ptr + ETH_ALEN, pattrib->src, ETH_ALEN);
if (!bsnaphdr) {
__be16 be_tmp = htons(len);
memcpy(ptr + 12, &be_tmp, 2);
}
return 0;
}
void r8712_recv_entry(union recv_frame *precvframe)
{
struct _adapter *padapter;
struct recv_priv *precvpriv;
s32 ret = _SUCCESS;
padapter = precvframe->u.hdr.adapter;
precvpriv = &(padapter->recvpriv);
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_RX);
ret = recv_func(padapter, precvframe);
if (ret == _FAIL)
goto _recv_entry_drop;
precvpriv->rx_pkts++;
precvpriv->rx_bytes += (uint)(precvframe->u.hdr.rx_tail -
precvframe->u.hdr.rx_data);
return;
_recv_entry_drop:
precvpriv->rx_drop++;
padapter->mppriv.rx_pktloss = precvpriv->rx_drop;
}
| linux-master | drivers/staging/rtl8712/rtl871x_recv.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_mp_ioctl.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#include <linux/rndis.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "mlme_osdep.h"
#include "rtl871x_mp.h"
#include "rtl871x_mp_ioctl.h"
uint oid_null_function(struct oid_par_priv *poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_wireless_mode_hdl(struct oid_par_priv *poid_par_priv)
{
uint status = RNDIS_STATUS_SUCCESS;
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid == SET_OID) {
if (poid_par_priv->information_buf_len >= sizeof(u8))
Adapter->registrypriv.wireless_mode =
*(u8 *)poid_par_priv->information_buf;
else
status = RNDIS_STATUS_INVALID_LENGTH;
} else if (poid_par_priv->type_of_oid == QUERY_OID) {
if (poid_par_priv->information_buf_len >= sizeof(u8)) {
*(u8 *)poid_par_priv->information_buf =
Adapter->registrypriv.wireless_mode;
*poid_par_priv->bytes_rw =
poid_par_priv->information_buf_len;
} else {
status = RNDIS_STATUS_INVALID_LENGTH;
}
} else {
status = RNDIS_STATUS_NOT_ACCEPTED;
}
return status;
}
uint oid_rt_pro_write_bb_reg_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
struct bb_reg_param *pbbreg;
u16 offset;
u32 value;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(struct bb_reg_param))
return RNDIS_STATUS_INVALID_LENGTH;
pbbreg = (struct bb_reg_param *)(poid_par_priv->information_buf);
offset = (u16)(pbbreg->offset) & 0xFFF; /*0ffset :0x800~0xfff*/
if (offset < BB_REG_BASE_ADDR)
offset |= BB_REG_BASE_ADDR;
value = pbbreg->value;
r8712_bb_reg_write(Adapter, offset, value);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_read_bb_reg_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
struct bb_reg_param *pbbreg;
u16 offset;
u32 value;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(struct bb_reg_param))
return RNDIS_STATUS_INVALID_LENGTH;
pbbreg = (struct bb_reg_param *)(poid_par_priv->information_buf);
offset = (u16)(pbbreg->offset) & 0xFFF; /*0ffset :0x800~0xfff*/
if (offset < BB_REG_BASE_ADDR)
offset |= BB_REG_BASE_ADDR;
value = r8712_bb_reg_read(Adapter, offset);
pbbreg->value = value;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_write_rf_reg_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
struct rf_reg_param *pbbreg;
u8 path;
u8 offset;
u32 value;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(struct rf_reg_param))
return RNDIS_STATUS_INVALID_LENGTH;
pbbreg = (struct rf_reg_param *)(poid_par_priv->information_buf);
path = (u8)pbbreg->path;
if (path > RF_PATH_B)
return RNDIS_STATUS_NOT_ACCEPTED;
offset = (u8)pbbreg->offset;
value = pbbreg->value;
r8712_rf_reg_write(Adapter, path, offset, value);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_read_rf_reg_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
struct rf_reg_param *pbbreg;
u8 path;
u8 offset;
u32 value;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(struct rf_reg_param))
return RNDIS_STATUS_INVALID_LENGTH;
pbbreg = (struct rf_reg_param *)(poid_par_priv->information_buf);
path = (u8)pbbreg->path;
if (path > RF_PATH_B) /* 1T2R path_a /path_b */
return RNDIS_STATUS_NOT_ACCEPTED;
offset = (u8)pbbreg->offset;
value = r8712_rf_reg_read(Adapter, path, offset);
pbbreg->value = value;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
/*This function initializes the DUT to the MP test mode*/
static int mp_start_test(struct _adapter *padapter)
{
struct mp_priv *pmppriv = &padapter->mppriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
struct wlan_bssid_ex *bssid;
struct sta_info *psta;
unsigned long length;
unsigned long irqL;
int res = 0;
bssid = kzalloc(sizeof(*bssid), GFP_KERNEL);
if (!bssid)
return -ENOMEM;
/* 3 1. initialize a new struct wlan_bssid_ex */
memcpy(bssid->MacAddress, pmppriv->network_macaddr, ETH_ALEN);
bssid->Ssid.SsidLength = 16;
memcpy(bssid->Ssid.Ssid, (unsigned char *)"mp_pseudo_adhoc",
bssid->Ssid.SsidLength);
bssid->InfrastructureMode = Ndis802_11IBSS;
bssid->NetworkTypeInUse = Ndis802_11DS;
bssid->IELength = 0;
length = r8712_get_wlan_bssid_ex_sz(bssid);
if (length % 4) {
/*round up to multiple of 4 bytes.*/
bssid->Length = ((length >> 2) + 1) << 2;
} else {
bssid->Length = length;
}
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
goto end_of_mp_start_test;
/*init mp_start_test status*/
pmppriv->prev_fw_state = get_fwstate(pmlmepriv);
pmlmepriv->fw_state = WIFI_MP_STATE;
if (pmppriv->mode == _LOOPBOOK_MODE_)
set_fwstate(pmlmepriv, WIFI_MP_LPBK_STATE); /*append txdesc*/
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
/* 3 2. create a new psta for mp driver */
/* clear psta in the cur_network, if any */
psta = r8712_get_stainfo(&padapter->stapriv,
tgt_network->network.MacAddress);
if (psta)
r8712_free_stainfo(padapter, psta);
psta = r8712_alloc_stainfo(&padapter->stapriv, bssid->MacAddress);
if (!psta) {
res = -ENOMEM;
goto end_of_mp_start_test;
}
/* 3 3. join pseudo AdHoc */
tgt_network->join_res = 1;
tgt_network->aid = psta->aid = 1;
memcpy(&tgt_network->network, bssid, length);
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
r8712_os_indicate_connect(padapter);
/* Set to LINKED STATE for MP TRX Testing */
set_fwstate(pmlmepriv, _FW_LINKED);
end_of_mp_start_test:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
kfree(bssid);
return res;
}
/*This function change the DUT from the MP test mode into normal mode */
static int mp_stop_test(struct _adapter *padapter)
{
struct mp_priv *pmppriv = &padapter->mppriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
struct sta_info *psta;
unsigned long irqL;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (!check_fwstate(pmlmepriv, WIFI_MP_STATE))
goto end_of_mp_stop_test;
/* 3 1. disconnect pseudo AdHoc */
r8712_os_indicate_disconnect(padapter);
/* 3 2. clear psta used in mp test mode. */
psta = r8712_get_stainfo(&padapter->stapriv,
tgt_network->network.MacAddress);
if (psta)
r8712_free_stainfo(padapter, psta);
/* 3 3. return to normal state (default:station mode) */
pmlmepriv->fw_state = pmppriv->prev_fw_state; /* WIFI_STATION_STATE;*/
/*flush the cur_network*/
memset(tgt_network, 0, sizeof(struct wlan_network));
end_of_mp_stop_test:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return _SUCCESS;
}
uint oid_rt_pro_set_data_rate_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 ratevalue;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
ratevalue = *((u32 *)poid_par_priv->information_buf);
if (ratevalue >= MPT_RATE_LAST)
return RNDIS_STATUS_INVALID_DATA;
Adapter->mppriv.curr_rateidx = ratevalue;
r8712_SetDataRate(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_start_test_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
u32 mode;
u8 val8;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
mode = *((u32 *)poid_par_priv->information_buf);
Adapter->mppriv.mode = mode;/* 1 for loopback*/
if (mp_start_test(Adapter))
status = RNDIS_STATUS_NOT_ACCEPTED;
r8712_write8(Adapter, MSR, 1); /* Link in ad hoc network, 0x1025004C */
r8712_write8(Adapter, RCR, 0); /* RCR : disable all pkt, 0x10250048 */
/* RCR disable Check BSSID, 0x1025004a */
r8712_write8(Adapter, RCR + 2, 0x57);
/* disable RX filter map , mgt frames will put in RX FIFO 0 */
r8712_write16(Adapter, RXFLTMAP0, 0x0);
val8 = r8712_read8(Adapter, EE_9346CR);
if (!(val8 & _9356SEL)) { /*boot from EFUSE*/
r8712_efuse_reg_init(Adapter);
r8712_efuse_change_max_size(Adapter);
r8712_efuse_reg_uninit(Adapter);
}
return status;
}
uint oid_rt_pro_stop_test_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (mp_stop_test(Adapter) == _FAIL)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_channel_direct_call_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 Channel;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
Channel = *((u32 *)poid_par_priv->information_buf);
if (Channel > 14)
return RNDIS_STATUS_NOT_ACCEPTED;
Adapter->mppriv.curr_ch = Channel;
r8712_SetChannel(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_antenna_bb_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 antenna;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
antenna = *((u32 *)poid_par_priv->information_buf);
Adapter->mppriv.antenna_tx = (u16)((antenna & 0xFFFF0000) >> 16);
Adapter->mppriv.antenna_rx = (u16)(antenna & 0x0000FFFF);
r8712_SwitchAntenna(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_tx_power_control_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 tx_pwr_idx;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
tx_pwr_idx = *((u32 *)poid_par_priv->information_buf);
if (tx_pwr_idx > MAX_TX_PWR_INDEX_N_MODE)
return RNDIS_STATUS_NOT_ACCEPTED;
Adapter->mppriv.curr_txpoweridx = (u8)tx_pwr_idx;
r8712_SetTxPower(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_query_tx_packet_sent_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len == sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
Adapter->mppriv.tx_pktcount;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_query_rx_packet_received_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len == sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
Adapter->mppriv.rx_pktcount;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_query_rx_packet_crc32_error_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len == sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
Adapter->mppriv.rx_crcerrpktcount;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_reset_tx_packet_sent_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
Adapter->mppriv.tx_pktcount = 0;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_reset_rx_packet_received_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len == sizeof(u32)) {
Adapter->mppriv.rx_pktcount = 0;
Adapter->mppriv.rx_crcerrpktcount = 0;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_reset_phy_rx_packet_count_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
r8712_ResetPhyRxPktCount(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_phy_rx_packet_received_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
*(u32 *)poid_par_priv->information_buf =
r8712_GetPhyRxPktReceived(Adapter);
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_phy_rx_packet_crc32_error_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len != sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
*(u32 *)poid_par_priv->information_buf =
r8712_GetPhyRxPktCRC32Error(Adapter);
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_modulation_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
Adapter->mppriv.curr_modem = *((u8 *)poid_par_priv->information_buf);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_continuous_tx_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 bStartTest;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
bStartTest = *((u32 *)poid_par_priv->information_buf);
r8712_SetContinuousTx(Adapter, (u8)bStartTest);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_single_carrier_tx_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 bStartTest;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
bStartTest = *((u32 *)poid_par_priv->information_buf);
r8712_SetSingleCarrierTx(Adapter, (u8)bStartTest);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_carrier_suppression_tx_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 bStartTest;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
bStartTest = *((u32 *)poid_par_priv->information_buf);
r8712_SetCarrierSuppressionTx(Adapter, (u8)bStartTest);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_set_single_tone_tx_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 bStartTest;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
bStartTest = *((u32 *)poid_par_priv->information_buf);
r8712_SetSingleToneTx(Adapter, (u8)bStartTest);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_read_register_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
struct mp_rw_reg *RegRWStruct;
u16 offset;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
RegRWStruct = (struct mp_rw_reg *)poid_par_priv->information_buf;
if ((RegRWStruct->offset >= 0x10250800) &&
(RegRWStruct->offset <= 0x10250FFF)) {
/*baseband register*/
/*0ffset :0x800~0xfff*/
offset = (u16)(RegRWStruct->offset) & 0xFFF;
RegRWStruct->value = r8712_bb_reg_read(Adapter, offset);
} else {
switch (RegRWStruct->width) {
case 1:
RegRWStruct->value = r8712_read8(Adapter,
RegRWStruct->offset);
break;
case 2:
RegRWStruct->value = r8712_read16(Adapter,
RegRWStruct->offset);
break;
case 4:
RegRWStruct->value = r8712_read32(Adapter,
RegRWStruct->offset);
break;
default:
status = RNDIS_STATUS_NOT_ACCEPTED;
break;
}
}
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return status;
}
uint oid_rt_pro_write_register_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
struct mp_rw_reg *RegRWStruct;
u16 offset;
u32 value;
u32 oldValue = 0;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
RegRWStruct = (struct mp_rw_reg *)poid_par_priv->information_buf;
if ((RegRWStruct->offset >= 0x10250800) &&
(RegRWStruct->offset <= 0x10250FFF)) {
/*baseband register*/
offset = (u16)(RegRWStruct->offset) & 0xFFF;
value = RegRWStruct->value;
switch (RegRWStruct->width) {
case 1:
oldValue = r8712_bb_reg_read(Adapter, offset);
oldValue &= 0xFFFFFF00;
value &= 0x000000FF;
value |= oldValue;
break;
case 2:
oldValue = r8712_bb_reg_read(Adapter, offset);
oldValue &= 0xFFFF0000;
value &= 0x0000FFFF;
value |= oldValue;
break;
}
r8712_bb_reg_write(Adapter, offset, value);
} else {
switch (RegRWStruct->width) {
case 1:
r8712_write8(Adapter, RegRWStruct->offset,
(unsigned char)RegRWStruct->value);
break;
case 2:
r8712_write16(Adapter, RegRWStruct->offset,
(unsigned short)RegRWStruct->value);
break;
case 4:
r8712_write32(Adapter, RegRWStruct->offset,
(unsigned int)RegRWStruct->value);
break;
default:
status = RNDIS_STATUS_NOT_ACCEPTED;
break;
}
}
return status;
}
uint oid_rt_get_thermal_meter_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (Adapter->mppriv.act_in_progress)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(u8))
return RNDIS_STATUS_INVALID_LENGTH;
/*init workparam*/
Adapter->mppriv.act_in_progress = true;
Adapter->mppriv.workparam.bcompleted = false;
Adapter->mppriv.workparam.act_type = MPT_GET_THERMAL_METER;
Adapter->mppriv.workparam.io_offset = 0;
Adapter->mppriv.workparam.io_value = 0xFFFFFFFF;
r8712_GetThermalMeter(Adapter, &Adapter->mppriv.workparam.io_value);
Adapter->mppriv.workparam.bcompleted = true;
Adapter->mppriv.act_in_progress = false;
*(u32 *)poid_par_priv->information_buf =
Adapter->mppriv.workparam.io_value;
*poid_par_priv->bytes_rw = sizeof(u32);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_read_efuse_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
struct EFUSE_ACCESS_STRUCT *pefuse;
u8 *data;
u16 addr = 0, cnts = 0;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len <
sizeof(struct EFUSE_ACCESS_STRUCT))
return RNDIS_STATUS_INVALID_LENGTH;
pefuse = (struct EFUSE_ACCESS_STRUCT *)poid_par_priv->information_buf;
addr = pefuse->start_addr;
cnts = pefuse->cnts;
data = pefuse->data;
memset(data, 0xFF, cnts);
if ((addr > 511) || (cnts < 1) || (cnts > 512) || (addr + cnts) >
EFUSE_MAX_SIZE)
return RNDIS_STATUS_NOT_ACCEPTED;
if (!r8712_efuse_access(Adapter, true, addr, cnts, data))
status = RNDIS_STATUS_FAILURE;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return status;
}
/*------------------------------------------------------------------------*/
uint oid_rt_pro_write_efuse_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
struct EFUSE_ACCESS_STRUCT *pefuse;
u8 *data;
u16 addr = 0, cnts = 0;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
pefuse = (struct EFUSE_ACCESS_STRUCT *)poid_par_priv->information_buf;
addr = pefuse->start_addr;
cnts = pefuse->cnts;
data = pefuse->data;
if ((addr > 511) || (cnts < 1) || (cnts > 512) ||
(addr + cnts) > r8712_efuse_get_max_size(Adapter))
return RNDIS_STATUS_NOT_ACCEPTED;
if (!r8712_efuse_access(Adapter, false, addr, cnts, data))
status = RNDIS_STATUS_FAILURE;
return status;
}
/*----------------------------------------------------------------------*/
uint oid_rt_get_efuse_current_size_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(int))
return RNDIS_STATUS_INVALID_LENGTH;
r8712_efuse_reg_init(Adapter);
*(int *)poid_par_priv->information_buf =
r8712_efuse_get_current_size(Adapter);
r8712_efuse_reg_uninit(Adapter);
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_efuse_max_size_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
*(int *)poid_par_priv->information_buf =
r8712_efuse_get_max_size(Adapter);
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_efuse_hdl(struct oid_par_priv *poid_par_priv)
{
uint status = RNDIS_STATUS_SUCCESS;
if (poid_par_priv->type_of_oid == QUERY_OID)
status = oid_rt_pro_read_efuse_hdl(poid_par_priv);
else
status = oid_rt_pro_write_efuse_hdl(poid_par_priv);
return status;
}
uint oid_rt_pro_efuse_map_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
uint status = RNDIS_STATUS_SUCCESS;
u8 *data;
*poid_par_priv->bytes_rw = 0;
if (poid_par_priv->information_buf_len < EFUSE_MAP_MAX_SIZE)
return RNDIS_STATUS_INVALID_LENGTH;
data = (u8 *)poid_par_priv->information_buf;
if (poid_par_priv->type_of_oid == QUERY_OID) {
if (r8712_efuse_map_read(Adapter, 0, EFUSE_MAP_MAX_SIZE, data))
*poid_par_priv->bytes_rw = EFUSE_MAP_MAX_SIZE;
else
status = RNDIS_STATUS_FAILURE;
} else {
/* SET_OID */
if (r8712_efuse_reg_init(Adapter)) {
if (r8712_efuse_map_write(Adapter, 0,
EFUSE_MAP_MAX_SIZE, data))
*poid_par_priv->bytes_rw = EFUSE_MAP_MAX_SIZE;
else
status = RNDIS_STATUS_FAILURE;
r8712_efuse_reg_uninit(Adapter);
} else {
status = RNDIS_STATUS_FAILURE;
}
}
return status;
}
uint oid_rt_set_bandwidth_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u32 bandwidth;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
bandwidth = *((u32 *)poid_par_priv->information_buf);/*4*/
if (bandwidth != HT_CHANNEL_WIDTH_20)
bandwidth = HT_CHANNEL_WIDTH_40;
Adapter->mppriv.curr_bandwidth = (u8)bandwidth;
r8712_SwitchBandwidth(Adapter);
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_rx_packet_type_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
u8 rx_pkt_type;
u32 rcr_val32;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(u8))
return RNDIS_STATUS_INVALID_LENGTH;
rx_pkt_type = *((u8 *)poid_par_priv->information_buf);/*4*/
rcr_val32 = r8712_read32(Adapter, RCR);/*RCR = 0x10250048*/
rcr_val32 &= ~(RCR_CBSSID | RCR_AB | RCR_AM | RCR_APM | RCR_AAP);
switch (rx_pkt_type) {
case RX_PKT_BROADCAST:
rcr_val32 |= (RCR_AB | RCR_AM | RCR_APM | RCR_AAP | RCR_ACRC32);
break;
case RX_PKT_DEST_ADDR:
rcr_val32 |= (RCR_AB | RCR_AM | RCR_APM | RCR_AAP | RCR_ACRC32);
break;
case RX_PKT_PHY_MATCH:
rcr_val32 |= (RCR_APM | RCR_ACRC32);
break;
default:
rcr_val32 &= ~(RCR_AAP |
RCR_APM |
RCR_AM |
RCR_AB |
RCR_ACRC32);
break;
}
if (rx_pkt_type == RX_PKT_DEST_ADDR)
Adapter->mppriv.check_mp_pkt = 1;
else
Adapter->mppriv.check_mp_pkt = 0;
r8712_write32(Adapter, RCR, rcr_val32);
return RNDIS_STATUS_SUCCESS;
}
/*--------------------------------------------------------------------------*/
/*Linux*/
unsigned int mp_ioctl_xmit_packet_hdl(struct oid_par_priv *poid_par_priv)
{
return _SUCCESS;
}
/*-------------------------------------------------------------------------*/
uint oid_rt_set_power_down_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
/*CALL the power_down function*/
return RNDIS_STATUS_SUCCESS;
}
/*-------------------------------------------------------------------------- */
uint oid_rt_get_power_mode_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *Adapter = (struct _adapter *)
(poid_par_priv->adapter_context);
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len < sizeof(u32))
return RNDIS_STATUS_INVALID_LENGTH;
*(int *)poid_par_priv->information_buf =
Adapter->registrypriv.low_power ? POWER_LOW : POWER_NORMAL;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
| linux-master | drivers/staging/rtl8712/rtl871x_mp_ioctl.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_security.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_SECURITY_C_
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/circ_buf.h>
#include <linux/uaccess.h>
#include <asm/byteorder.h>
#include <linux/atomic.h>
#include <linux/crc32poly.h>
#include <linux/semaphore.h>
#include <linux/ieee80211.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"
/* =====WEP related===== */
struct arc4context {
u32 x;
u32 y;
u8 state[256];
};
static void arcfour_init(struct arc4context *parc4ctx, u8 *key, u32 key_len)
{
u32 t, u;
u32 keyindex;
u32 stateindex;
u8 *state;
u32 counter;
state = parc4ctx->state;
parc4ctx->x = 0;
parc4ctx->y = 0;
for (counter = 0; counter < 256; counter++)
state[counter] = (u8)counter;
keyindex = 0;
stateindex = 0;
for (counter = 0; counter < 256; counter++) {
t = state[counter];
stateindex = (stateindex + key[keyindex] + t) & 0xff;
u = state[stateindex];
state[stateindex] = (u8)t;
state[counter] = (u8)u;
if (++keyindex >= key_len)
keyindex = 0;
}
}
static u32 arcfour_byte(struct arc4context *parc4ctx)
{
u32 x;
u32 y;
u32 sx, sy;
u8 *state;
state = parc4ctx->state;
x = (parc4ctx->x + 1) & 0xff;
sx = state[x];
y = (sx + parc4ctx->y) & 0xff;
sy = state[y];
parc4ctx->x = x;
parc4ctx->y = y;
state[y] = (u8)sx;
state[x] = (u8)sy;
return state[(sx + sy) & 0xff];
}
static void arcfour_encrypt(struct arc4context *parc4ctx,
u8 *dest, u8 *src, u32 len)
{
u32 i;
for (i = 0; i < len; i++)
dest[i] = src[i] ^ (unsigned char)arcfour_byte(parc4ctx);
}
static sint bcrc32initialized;
static u32 crc32_table[256];
static u8 crc32_reverseBit(u8 data)
{
return ((u8)(data << 7) & 0x80) | ((data << 5) & 0x40) | ((data << 3)
& 0x20) | ((data << 1) & 0x10) | ((data >> 1) & 0x08) |
((data >> 3) & 0x04) | ((data >> 5) & 0x02) | ((data >> 7) &
0x01);
}
static void crc32_init(void)
{
sint i, j;
u32 c;
u8 *p = (u8 *)&c, *p1;
u8 k;
if (bcrc32initialized == 1)
return;
for (i = 0; i < 256; ++i) {
k = crc32_reverseBit((u8)i);
for (c = ((u32)k) << 24, j = 8; j > 0; --j)
c = c & 0x80000000 ? (c << 1) ^ CRC32_POLY_BE : (c << 1);
p1 = (u8 *)&crc32_table[i];
p1[0] = crc32_reverseBit(p[3]);
p1[1] = crc32_reverseBit(p[2]);
p1[2] = crc32_reverseBit(p[1]);
p1[3] = crc32_reverseBit(p[0]);
}
bcrc32initialized = 1;
}
static u32 getcrc32(u8 *buf, u32 len)
{
u8 *p;
u32 crc;
if (!bcrc32initialized)
crc32_init();
crc = 0xffffffff; /* preload shift register, per CRC-32 spec */
for (p = buf; len > 0; ++p, --len)
crc = crc32_table[(crc ^ *p) & 0xff] ^ (crc >> 8);
return ~crc; /* transmit complement, per CRC-32 spec */
}
/*
* Need to consider the fragment situation
*/
void r8712_wep_encrypt(struct _adapter *padapter, u8 *pxmitframe)
{ /* exclude ICV */
unsigned char crc[4];
struct arc4context mycontext;
u32 curfragnum, length, keylength, pki;
u8 *pframe, *payload, *iv; /*,*wepkey*/
u8 wepkey[16];
struct pkt_attrib *pattrib = &((struct xmit_frame *)
pxmitframe)->attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL)
return;
pframe = ((struct xmit_frame *)pxmitframe)->buf_addr + TXDESC_OFFSET;
/*start to encrypt each fragment*/
if ((pattrib->encrypt == _WEP40_) || (pattrib->encrypt == _WEP104_)) {
pki = psecuritypriv->PrivacyKeyIndex;
keylength = psecuritypriv->DefKeylen[pki];
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
iv = pframe + pattrib->hdrlen;
memcpy(&wepkey[0], iv, 3);
memcpy(&wepkey[3], &psecuritypriv->DefKey[
psecuritypriv->PrivacyKeyIndex].skey[0],
keylength);
payload = pframe + pattrib->iv_len + pattrib->hdrlen;
if ((curfragnum + 1) == pattrib->nr_frags) {
length = pattrib->last_txcmdsz -
pattrib->hdrlen -
pattrib->iv_len -
pattrib->icv_len;
*((__le32 *)crc) = cpu_to_le32(getcrc32(
payload, length));
arcfour_init(&mycontext, wepkey, 3 + keylength);
arcfour_encrypt(&mycontext, payload, payload,
length);
arcfour_encrypt(&mycontext, payload + length,
crc, 4);
} else {
length = pxmitpriv->frag_len -
pattrib->hdrlen - pattrib->iv_len -
pattrib->icv_len;
*((__le32 *)crc) = cpu_to_le32(getcrc32(
payload, length));
arcfour_init(&mycontext, wepkey, 3 + keylength);
arcfour_encrypt(&mycontext, payload, payload,
length);
arcfour_encrypt(&mycontext, payload + length,
crc, 4);
pframe += pxmitpriv->frag_len;
pframe = (u8 *)RND4((addr_t)(pframe));
}
}
}
}
void r8712_wep_decrypt(struct _adapter *padapter, u8 *precvframe)
{
/* exclude ICV */
u8 crc[4];
struct arc4context mycontext;
u32 length, keylength;
u8 *pframe, *payload, *iv, wepkey[16];
u8 keyindex;
struct rx_pkt_attrib *prxattrib = &(((union recv_frame *)
precvframe)->u.hdr.attrib);
struct security_priv *psecuritypriv = &padapter->securitypriv;
pframe = (unsigned char *)((union recv_frame *)precvframe)->
u.hdr.rx_data;
/* start to decrypt recvframe */
if ((prxattrib->encrypt == _WEP40_) || (prxattrib->encrypt ==
_WEP104_)) {
iv = pframe + prxattrib->hdrlen;
keyindex = (iv[3] & 0x3);
keylength = psecuritypriv->DefKeylen[keyindex];
memcpy(&wepkey[0], iv, 3);
memcpy(&wepkey[3], &psecuritypriv->DefKey[
psecuritypriv->PrivacyKeyIndex].skey[0],
keylength);
length = ((union recv_frame *)precvframe)->
u.hdr.len - prxattrib->hdrlen - prxattrib->iv_len;
payload = pframe + prxattrib->iv_len + prxattrib->hdrlen;
/* decrypt payload include icv */
arcfour_init(&mycontext, wepkey, 3 + keylength);
arcfour_encrypt(&mycontext, payload, payload, length);
/* calculate icv and compare the icv */
*((__le32 *)crc) = cpu_to_le32(getcrc32(payload, length - 4));
}
}
/* 3 =====TKIP related===== */
static u32 secmicgetuint32(u8 *p)
/* Convert from Byte[] to Us4Byte32 in a portable way */
{
s32 i;
u32 res = 0;
for (i = 0; i < 4; i++)
res |= ((u32)(*p++)) << (8 * i);
return res;
}
static void secmicputuint32(u8 *p, u32 val)
/* Convert from Us4Byte32 to Byte[] in a portable way */
{
long i;
for (i = 0; i < 4; i++) {
*p++ = (u8)(val & 0xff);
val >>= 8;
}
}
static void secmicclear(struct mic_data *pmicdata)
{
/* Reset the state to the empty message. */
pmicdata->L = pmicdata->K0;
pmicdata->R = pmicdata->K1;
pmicdata->nBytesInM = 0;
pmicdata->M = 0;
}
void r8712_secmicsetkey(struct mic_data *pmicdata, u8 *key)
{
/* Set the key */
pmicdata->K0 = secmicgetuint32(key);
pmicdata->K1 = secmicgetuint32(key + 4);
/* and reset the message */
secmicclear(pmicdata);
}
static void secmicappendbyte(struct mic_data *pmicdata, u8 b)
{
/* Append the byte to our word-sized buffer */
pmicdata->M |= ((u32)b) << (8 * pmicdata->nBytesInM);
pmicdata->nBytesInM++;
/* Process the word if it is full. */
if (pmicdata->nBytesInM >= 4) {
pmicdata->L ^= pmicdata->M;
pmicdata->R ^= ROL32(pmicdata->L, 17);
pmicdata->L += pmicdata->R;
pmicdata->R ^= ((pmicdata->L & 0xff00ff00) >> 8) |
((pmicdata->L & 0x00ff00ff) << 8);
pmicdata->L += pmicdata->R;
pmicdata->R ^= ROL32(pmicdata->L, 3);
pmicdata->L += pmicdata->R;
pmicdata->R ^= ROR32(pmicdata->L, 2);
pmicdata->L += pmicdata->R;
/* Clear the buffer */
pmicdata->M = 0;
pmicdata->nBytesInM = 0;
}
}
void r8712_secmicappend(struct mic_data *pmicdata, u8 *src, u32 nbytes)
{
/* This is simple */
while (nbytes > 0) {
secmicappendbyte(pmicdata, *src++);
nbytes--;
}
}
void r8712_secgetmic(struct mic_data *pmicdata, u8 *dst)
{
/* Append the minimum padding */
secmicappendbyte(pmicdata, 0x5a);
secmicappendbyte(pmicdata, 0);
secmicappendbyte(pmicdata, 0);
secmicappendbyte(pmicdata, 0);
secmicappendbyte(pmicdata, 0);
/* and then zeroes until the length is a multiple of 4 */
while (pmicdata->nBytesInM != 0)
secmicappendbyte(pmicdata, 0);
/* The appendByte function has already computed the result. */
secmicputuint32(dst, pmicdata->L);
secmicputuint32(dst + 4, pmicdata->R);
/* Reset to the empty message. */
secmicclear(pmicdata);
}
void seccalctkipmic(u8 *key, u8 *header, u8 *data, u32 data_len, u8 *mic_code,
u8 pri)
{
struct mic_data micdata;
u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
r8712_secmicsetkey(&micdata, key);
priority[0] = pri;
/* Michael MIC pseudo header: DA, SA, 3 x 0, Priority */
if (header[1] & 1) { /* ToDS==1 */
r8712_secmicappend(&micdata, &header[16], 6); /* DA */
if (header[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata, &header[24], 6);
else
r8712_secmicappend(&micdata, &header[10], 6);
} else { /* ToDS==0 */
r8712_secmicappend(&micdata, &header[4], 6); /* DA */
if (header[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata, &header[16], 6);
else
r8712_secmicappend(&micdata, &header[10], 6);
}
r8712_secmicappend(&micdata, &priority[0], 4);
r8712_secmicappend(&micdata, data, data_len);
r8712_secgetmic(&micdata, mic_code);
}
/* macros for extraction/creation of unsigned char/unsigned short values */
#define RotR1(v16) ((((v16) >> 1) & 0x7FFF) ^ (((v16) & 1) << 15))
#define Lo8(v16) ((u8)((v16) & 0x00FF))
#define Hi8(v16) ((u8)(((v16) >> 8) & 0x00FF))
#define Lo16(v32) ((u16)((v32) & 0xFFFF))
#define Hi16(v32) ((u16)(((v32) >> 16) & 0xFFFF))
#define Mk16(hi, lo) ((lo) ^ (((u16)(hi)) << 8))
/* select the Nth 16-bit word of the temporal key unsigned char array TK[] */
#define TK16(N) Mk16(tk[2 * (N) + 1], tk[2 * (N)])
/* S-box lookup: 16 bits --> 16 bits */
#define _S_(v16) (Sbox1[0][Lo8(v16)] ^ Sbox1[1][Hi8(v16)])
/* fixed algorithm "parameters" */
#define PHASE1_LOOP_CNT 8 /* this needs to be "big enough" */
#define TA_SIZE 6 /* 48-bit transmitter address */
#define TK_SIZE 16 /* 128-bit temporal key */
#define P1K_SIZE 10 /* 80-bit Phase1 key */
#define RC4_KEY_SIZE 16 /* 128-bit RC4KEY (104 bits unknown) */
/* 2-unsigned char by 2-unsigned char subset of the full AES S-box table */
static const unsigned short Sbox1[2][256] = {/* Sbox for hash (can be in ROM) */
{
0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B,
0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F,
0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F,
0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5,
0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F,
0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB,
0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397,
0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED,
0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A,
0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194,
0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3,
0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104,
0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D,
0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39,
0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695,
0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83,
0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76,
0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4,
0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B,
0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0,
0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018,
0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751,
0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85,
0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12,
0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9,
0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7,
0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A,
0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8,
0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
},
{ /* second half is unsigned char-reversed version of first! */
0xA5C6, 0x84F8, 0x99EE, 0x8DF6, 0x0DFF, 0xBDD6, 0xB1DE, 0x5491,
0x5060, 0x0302, 0xA9CE, 0x7D56, 0x19E7, 0x62B5, 0xE64D, 0x9AEC,
0x458F, 0x9D1F, 0x4089, 0x87FA, 0x15EF, 0xEBB2, 0xC98E, 0x0BFB,
0xEC41, 0x67B3, 0xFD5F, 0xEA45, 0xBF23, 0xF753, 0x96E4, 0x5B9B,
0xC275, 0x1CE1, 0xAE3D, 0x6A4C, 0x5A6C, 0x417E, 0x02F5, 0x4F83,
0x5C68, 0xF451, 0x34D1, 0x08F9, 0x93E2, 0x73AB, 0x5362, 0x3F2A,
0x0C08, 0x5295, 0x6546, 0x5E9D, 0x2830, 0xA137, 0x0F0A, 0xB52F,
0x090E, 0x3624, 0x9B1B, 0x3DDF, 0x26CD, 0x694E, 0xCD7F, 0x9FEA,
0x1B12, 0x9E1D, 0x7458, 0x2E34, 0x2D36, 0xB2DC, 0xEEB4, 0xFB5B,
0xF6A4, 0x4D76, 0x61B7, 0xCE7D, 0x7B52, 0x3EDD, 0x715E, 0x9713,
0xF5A6, 0x68B9, 0x0000, 0x2CC1, 0x6040, 0x1FE3, 0xC879, 0xEDB6,
0xBED4, 0x468D, 0xD967, 0x4B72, 0xDE94, 0xD498, 0xE8B0, 0x4A85,
0x6BBB, 0x2AC5, 0xE54F, 0x16ED, 0xC586, 0xD79A, 0x5566, 0x9411,
0xCF8A, 0x10E9, 0x0604, 0x81FE, 0xF0A0, 0x4478, 0xBA25, 0xE34B,
0xF3A2, 0xFE5D, 0xC080, 0x8A05, 0xAD3F, 0xBC21, 0x4870, 0x04F1,
0xDF63, 0xC177, 0x75AF, 0x6342, 0x3020, 0x1AE5, 0x0EFD, 0x6DBF,
0x4C81, 0x1418, 0x3526, 0x2FC3, 0xE1BE, 0xA235, 0xCC88, 0x392E,
0x5793, 0xF255, 0x82FC, 0x477A, 0xACC8, 0xE7BA, 0x2B32, 0x95E6,
0xA0C0, 0x9819, 0xD19E, 0x7FA3, 0x6644, 0x7E54, 0xAB3B, 0x830B,
0xCA8C, 0x29C7, 0xD36B, 0x3C28, 0x79A7, 0xE2BC, 0x1D16, 0x76AD,
0x3BDB, 0x5664, 0x4E74, 0x1E14, 0xDB92, 0x0A0C, 0x6C48, 0xE4B8,
0x5D9F, 0x6EBD, 0xEF43, 0xA6C4, 0xA839, 0xA431, 0x37D3, 0x8BF2,
0x32D5, 0x438B, 0x596E, 0xB7DA, 0x8C01, 0x64B1, 0xD29C, 0xE049,
0xB4D8, 0xFAAC, 0x07F3, 0x25CF, 0xAFCA, 0x8EF4, 0xE947, 0x1810,
0xD56F, 0x88F0, 0x6F4A, 0x725C, 0x2438, 0xF157, 0xC773, 0x5197,
0x23CB, 0x7CA1, 0x9CE8, 0x213E, 0xDD96, 0xDC61, 0x860D, 0x850F,
0x90E0, 0x427C, 0xC471, 0xAACC, 0xD890, 0x0506, 0x01F7, 0x121C,
0xA3C2, 0x5F6A, 0xF9AE, 0xD069, 0x9117, 0x5899, 0x273A, 0xB927,
0x38D9, 0x13EB, 0xB32B, 0x3322, 0xBBD2, 0x70A9, 0x8907, 0xA733,
0xB62D, 0x223C, 0x9215, 0x20C9, 0x4987, 0xFFAA, 0x7850, 0x7AA5,
0x8F03, 0xF859, 0x8009, 0x171A, 0xDA65, 0x31D7, 0xC684, 0xB8D0,
0xC382, 0xB029, 0x775A, 0x111E, 0xCB7B, 0xFCA8, 0xD66D, 0x3A2C,
}
};
/*
**********************************************************************
* Routine: Phase 1 -- generate P1K, given TA, TK, IV32
*
* Inputs:
* tk[] = temporal key [128 bits]
* ta[] = transmitter's MAC address [ 48 bits]
* iv32 = upper 32 bits of IV [ 32 bits]
* Output:
* p1k[] = Phase 1 key [ 80 bits]
*
* Note:
* This function only needs to be called every 2**16 packets,
* although in theory it could be called every packet.
*
**********************************************************************
*/
static void phase1(u16 *p1k, const u8 *tk, const u8 *ta, u32 iv32)
{
sint i;
/* Initialize the 80 bits of P1K[] from IV32 and TA[0..5] */
p1k[0] = Lo16(iv32);
p1k[1] = Hi16(iv32);
p1k[2] = Mk16(ta[1], ta[0]); /* use TA[] as little-endian */
p1k[3] = Mk16(ta[3], ta[2]);
p1k[4] = Mk16(ta[5], ta[4]);
/* Now compute an unbalanced Feistel cipher with 80-bit block */
/* size on the 80-bit block P1K[], using the 128-bit key TK[] */
for (i = 0; i < PHASE1_LOOP_CNT; i++) { /* Each add is mod 2**16 */
p1k[0] += _S_(p1k[4] ^ TK16((i & 1) + 0));
p1k[1] += _S_(p1k[0] ^ TK16((i & 1) + 2));
p1k[2] += _S_(p1k[1] ^ TK16((i & 1) + 4));
p1k[3] += _S_(p1k[2] ^ TK16((i & 1) + 6));
p1k[4] += _S_(p1k[3] ^ TK16((i & 1) + 0));
p1k[4] += (unsigned short)i; /* avoid "slide attacks" */
}
}
/*
**********************************************************************
* Routine: Phase 2 -- generate RC4KEY, given TK, P1K, IV16
*
* Inputs:
* tk[] = Temporal key [128 bits]
* p1k[] = Phase 1 output key [ 80 bits]
* iv16 = low 16 bits of IV counter [ 16 bits]
* Output:
* rc4key[] = the key used to encrypt the packet [128 bits]
*
* Note:
* The value {TA,IV32,IV16} for Phase1/Phase2 must be unique
* across all packets using the same key TK value. Then, for a
* given value of TK[], this TKIP48 construction guarantees that
* the final RC4KEY value is unique across all packets.
*
* Suggested implementation optimization: if PPK[] is "overlaid"
* appropriately on RC4KEY[], there is no need for the final
* for loop below that copies the PPK[] result into RC4KEY[].
*
**********************************************************************
*/
static void phase2(u8 *rc4key, const u8 *tk, const u16 *p1k, u16 iv16)
{
sint i;
u16 PPK[6]; /* temporary key for mixing */
/* Note: all adds in the PPK[] equations below are mod 2**16 */
for (i = 0; i < 5; i++)
PPK[i] = p1k[i]; /* first, copy P1K to PPK */
PPK[5] = p1k[4] + iv16; /* next, add in IV16 */
/* Bijective non-linear mixing of the 96 bits of PPK[0..5] */
PPK[0] += _S_(PPK[5] ^ TK16(0)); /* Mix key in each "round" */
PPK[1] += _S_(PPK[0] ^ TK16(1));
PPK[2] += _S_(PPK[1] ^ TK16(2));
PPK[3] += _S_(PPK[2] ^ TK16(3));
PPK[4] += _S_(PPK[3] ^ TK16(4));
PPK[5] += _S_(PPK[4] ^ TK16(5)); /* Total # S-box lookups == 6 */
/* Final sweep: bijective, "linear". Rotates kill LSB correlations */
PPK[0] += RotR1(PPK[5] ^ TK16(6));
PPK[1] += RotR1(PPK[0] ^ TK16(7)); /* Use all of TK[] in Phase2 */
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
PPK[5] += RotR1(PPK[4]);
/* Note: At this point, for a given key TK[0..15], the 96-bit output */
/* value PPK[0..5] is guaranteed to be unique, as a function */
/* of the 96-bit "input" value {TA,IV32,IV16}. That is, P1K */
/* is now a keyed permutation of {TA,IV32,IV16}. */
/* Set RC4KEY[0..3], which includes "cleartext" portion of RC4 key */
rc4key[0] = Hi8(iv16); /* RC4KEY[0..2] is the WEP IV */
rc4key[1] = (Hi8(iv16) | 0x20) & 0x7F; /* Help avoid weak (FMS) keys */
rc4key[2] = Lo8(iv16);
rc4key[3] = Lo8((PPK[5] ^ TK16(0)) >> 1);
/* Copy 96 bits of PPK[0..5] to RC4KEY[4..15] (little-endian) */
for (i = 0; i < 6; i++) {
rc4key[4 + 2 * i] = Lo8(PPK[i]);
rc4key[5 + 2 * i] = Hi8(PPK[i]);
}
}
/*The hlen isn't include the IV*/
u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe)
{ /* exclude ICV */
u16 pnl;
u32 pnh;
u8 rc4key[16];
u8 ttkey[16];
u8 crc[4];
struct arc4context mycontext;
u32 curfragnum, length;
u8 *pframe, *payload, *iv, *prwskey;
union pn48 txpn;
struct sta_info *stainfo;
struct pkt_attrib *pattrib = &((struct xmit_frame *)pxmitframe)->attrib;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u32 res = _SUCCESS;
if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL)
return _FAIL;
pframe = ((struct xmit_frame *)pxmitframe)->buf_addr + TXDESC_OFFSET;
/* 4 start to encrypt each fragment */
if (pattrib->encrypt == _TKIP_) {
if (pattrib->psta)
stainfo = pattrib->psta;
else
stainfo = r8712_get_stainfo(&padapter->stapriv,
&pattrib->ra[0]);
if (stainfo) {
prwskey = &stainfo->x_UncstKey.skey[0];
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
iv = pframe + pattrib->hdrlen;
payload = pframe + pattrib->iv_len +
pattrib->hdrlen;
GET_TKIP_PN(iv, txpn);
pnl = (u16)(txpn.val);
pnh = (u32)(txpn.val >> 16);
phase1((u16 *)&ttkey[0], prwskey,
&pattrib->ta[0], pnh);
phase2(&rc4key[0], prwskey, (u16 *)&ttkey[0],
pnl);
if ((curfragnum + 1) == pattrib->nr_frags) {
/* 4 the last fragment */
length = pattrib->last_txcmdsz -
pattrib->hdrlen -
pattrib->iv_len -
pattrib->icv_len;
*((__le32 *)crc) = cpu_to_le32(
getcrc32(payload, length));
arcfour_init(&mycontext, rc4key, 16);
arcfour_encrypt(&mycontext, payload,
payload, length);
arcfour_encrypt(&mycontext, payload +
length, crc, 4);
} else {
length = pxmitpriv->frag_len -
pattrib->hdrlen -
pattrib->iv_len -
pattrib->icv_len;
*((__le32 *)crc) = cpu_to_le32(getcrc32(
payload, length));
arcfour_init(&mycontext, rc4key, 16);
arcfour_encrypt(&mycontext, payload,
payload, length);
arcfour_encrypt(&mycontext,
payload + length, crc,
4);
pframe += pxmitpriv->frag_len;
pframe = (u8 *)RND4((addr_t)(pframe));
}
}
} else {
res = _FAIL;
}
}
return res;
}
/* The hlen doesn't include the IV */
void r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe)
{ /* exclude ICV */
u16 pnl;
u32 pnh;
u8 rc4key[16];
u8 ttkey[16];
u8 crc[4];
struct arc4context mycontext;
u32 length;
u8 *pframe, *payload, *iv, *prwskey, idx = 0;
union pn48 txpn;
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib = &((union recv_frame *)
precvframe)->u.hdr.attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
pframe = (unsigned char *)((union recv_frame *)
precvframe)->u.hdr.rx_data;
/* 4 start to decrypt recvframe */
if (prxattrib->encrypt == _TKIP_) {
stainfo = r8712_get_stainfo(&padapter->stapriv,
&prxattrib->ta[0]);
if (stainfo) {
iv = pframe + prxattrib->hdrlen;
payload = pframe + prxattrib->iv_len +
prxattrib->hdrlen;
length = ((union recv_frame *)precvframe)->
u.hdr.len - prxattrib->hdrlen -
prxattrib->iv_len;
if (is_multicast_ether_addr(prxattrib->ra)) {
idx = iv[3];
prwskey = &psecuritypriv->XGrpKey[
((idx >> 6) & 0x3) - 1].skey[0];
if (!psecuritypriv->binstallGrpkey)
return;
} else {
prwskey = &stainfo->x_UncstKey.skey[0];
}
GET_TKIP_PN(iv, txpn);
pnl = (u16)(txpn.val);
pnh = (u32)(txpn.val >> 16);
phase1((u16 *)&ttkey[0], prwskey, &prxattrib->ta[0],
pnh);
phase2(&rc4key[0], prwskey, (unsigned short *)
&ttkey[0], pnl);
/* 4 decrypt payload include icv */
arcfour_init(&mycontext, rc4key, 16);
arcfour_encrypt(&mycontext, payload, payload, length);
*((__le32 *)crc) = cpu_to_le32(getcrc32(payload,
length - 4));
}
}
}
/* 3 =====AES related===== */
#define MAX_MSG_SIZE 2048
/*****************************/
/******** SBOX Table *********/
/*****************************/
static const u8 sbox_table[256] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
/****************************************/
/* aes128k128d() */
/* Performs a 128 bit AES encrypt with */
/* 128 bit data. */
/****************************************/
static void xor_128(u8 *a, u8 *b, u8 *out)
{
sint i;
for (i = 0; i < 16; i++)
out[i] = a[i] ^ b[i];
}
static void xor_32(u8 *a, u8 *b, u8 *out)
{
sint i;
for (i = 0; i < 4; i++)
out[i] = a[i] ^ b[i];
}
static u8 sbox(u8 a)
{
return sbox_table[(sint)a];
}
static void next_key(u8 *key, sint round)
{
u8 rcon;
u8 sbox_key[4];
static const u8 rcon_table[12] = {
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
0x1b, 0x36, 0x36, 0x36
};
sbox_key[0] = sbox(key[13]);
sbox_key[1] = sbox(key[14]);
sbox_key[2] = sbox(key[15]);
sbox_key[3] = sbox(key[12]);
rcon = rcon_table[round];
xor_32(&key[0], sbox_key, &key[0]);
key[0] = key[0] ^ rcon;
xor_32(&key[4], &key[0], &key[4]);
xor_32(&key[8], &key[4], &key[8]);
xor_32(&key[12], &key[8], &key[12]);
}
static void byte_sub(u8 *in, u8 *out)
{
sint i;
for (i = 0; i < 16; i++)
out[i] = sbox(in[i]);
}
static void shift_row(u8 *in, u8 *out)
{
out[0] = in[0];
out[1] = in[5];
out[2] = in[10];
out[3] = in[15];
out[4] = in[4];
out[5] = in[9];
out[6] = in[14];
out[7] = in[3];
out[8] = in[8];
out[9] = in[13];
out[10] = in[2];
out[11] = in[7];
out[12] = in[12];
out[13] = in[1];
out[14] = in[6];
out[15] = in[11];
}
static void mix_column(u8 *in, u8 *out)
{
sint i;
u8 add1b[4];
u8 add1bf7[4];
u8 rotl[4];
u8 swap_halves[4];
u8 andf7[4];
u8 rotr[4];
u8 temp[4];
u8 tempb[4];
for (i = 0; i < 4; i++) {
if ((in[i] & 0x80) == 0x80)
add1b[i] = 0x1b;
else
add1b[i] = 0x00;
}
swap_halves[0] = in[2]; /* Swap halves */
swap_halves[1] = in[3];
swap_halves[2] = in[0];
swap_halves[3] = in[1];
rotl[0] = in[3]; /* Rotate left 8 bits */
rotl[1] = in[0];
rotl[2] = in[1];
rotl[3] = in[2];
andf7[0] = in[0] & 0x7f;
andf7[1] = in[1] & 0x7f;
andf7[2] = in[2] & 0x7f;
andf7[3] = in[3] & 0x7f;
for (i = 3; i > 0; i--) { /* logical shift left 1 bit */
andf7[i] = andf7[i] << 1;
if ((andf7[i - 1] & 0x80) == 0x80)
andf7[i] = (andf7[i] | 0x01);
}
andf7[0] = andf7[0] << 1;
andf7[0] = andf7[0] & 0xfe;
xor_32(add1b, andf7, add1bf7);
xor_32(in, add1bf7, rotr);
temp[0] = rotr[0]; /* Rotate right 8 bits */
rotr[0] = rotr[1];
rotr[1] = rotr[2];
rotr[2] = rotr[3];
rotr[3] = temp[0];
xor_32(add1bf7, rotr, temp);
xor_32(swap_halves, rotl, tempb);
xor_32(temp, tempb, out);
}
static void aes128k128d(u8 *key, u8 *data, u8 *ciphertext)
{
sint round;
sint i;
u8 intermediatea[16];
u8 intermediateb[16];
u8 round_key[16];
for (i = 0; i < 16; i++)
round_key[i] = key[i];
for (round = 0; round < 11; round++) {
if (round == 0) {
xor_128(round_key, data, ciphertext);
next_key(round_key, round);
} else if (round == 10) {
byte_sub(ciphertext, intermediatea);
shift_row(intermediatea, intermediateb);
xor_128(intermediateb, round_key, ciphertext);
} else { /* 1 - 9 */
byte_sub(ciphertext, intermediatea);
shift_row(intermediatea, intermediateb);
mix_column(&intermediateb[0], &intermediatea[0]);
mix_column(&intermediateb[4], &intermediatea[4]);
mix_column(&intermediateb[8], &intermediatea[8]);
mix_column(&intermediateb[12], &intermediatea[12]);
xor_128(intermediatea, round_key, ciphertext);
next_key(round_key, round);
}
}
}
/************************************************/
/* construct_mic_iv() */
/* Builds the MIC IV from header fields and PN */
/************************************************/
static void construct_mic_iv(u8 *mic_iv, sint qc_exists, sint a4_exists,
u8 *mpdu, uint payload_length, u8 *pn_vector)
{
sint i;
mic_iv[0] = 0x59;
if (qc_exists && a4_exists)
mic_iv[1] = mpdu[30] & 0x0f; /* QoS_TC */
if (qc_exists && !a4_exists)
mic_iv[1] = mpdu[24] & 0x0f; /* mute bits 7-4 */
if (!qc_exists)
mic_iv[1] = 0x00;
for (i = 2; i < 8; i++)
mic_iv[i] = mpdu[i + 8];
for (i = 8; i < 14; i++)
mic_iv[i] = pn_vector[13 - i]; /* mic_iv[8:13] = PN[5:0] */
mic_iv[14] = (unsigned char)(payload_length / 256);
mic_iv[15] = (unsigned char)(payload_length % 256);
}
/************************************************/
/* construct_mic_header1() */
/* Builds the first MIC header block from */
/* header fields. */
/************************************************/
static void construct_mic_header1(u8 *mic_header1, sint header_length, u8 *mpdu)
{
mic_header1[0] = (u8)((header_length - 2) / 256);
mic_header1[1] = (u8)((header_length - 2) % 256);
mic_header1[2] = mpdu[0] & 0xcf; /* Mute CF poll & CF ack bits */
/* Mute retry, more data and pwr mgt bits */
mic_header1[3] = mpdu[1] & 0xc7;
mic_header1[4] = mpdu[4]; /* A1 */
mic_header1[5] = mpdu[5];
mic_header1[6] = mpdu[6];
mic_header1[7] = mpdu[7];
mic_header1[8] = mpdu[8];
mic_header1[9] = mpdu[9];
mic_header1[10] = mpdu[10]; /* A2 */
mic_header1[11] = mpdu[11];
mic_header1[12] = mpdu[12];
mic_header1[13] = mpdu[13];
mic_header1[14] = mpdu[14];
mic_header1[15] = mpdu[15];
}
/************************************************/
/* construct_mic_header2() */
/* Builds the last MIC header block from */
/* header fields. */
/************************************************/
static void construct_mic_header2(u8 *mic_header2, u8 *mpdu, sint a4_exists,
sint qc_exists)
{
sint i;
for (i = 0; i < 16; i++)
mic_header2[i] = 0x00;
mic_header2[0] = mpdu[16]; /* A3 */
mic_header2[1] = mpdu[17];
mic_header2[2] = mpdu[18];
mic_header2[3] = mpdu[19];
mic_header2[4] = mpdu[20];
mic_header2[5] = mpdu[21];
mic_header2[6] = 0x00;
mic_header2[7] = 0x00; /* mpdu[23]; */
if (!qc_exists && a4_exists)
for (i = 0; i < 6; i++)
mic_header2[8 + i] = mpdu[24 + i]; /* A4 */
if (qc_exists && !a4_exists) {
mic_header2[8] = mpdu[24] & 0x0f; /* mute bits 15 - 4 */
mic_header2[9] = mpdu[25] & 0x00;
}
if (qc_exists && a4_exists) {
for (i = 0; i < 6; i++)
mic_header2[8 + i] = mpdu[24 + i]; /* A4 */
mic_header2[14] = mpdu[30] & 0x0f;
mic_header2[15] = mpdu[31] & 0x00;
}
}
/************************************************/
/* construct_mic_header2() */
/* Builds the last MIC header block from */
/* header fields. */
/************************************************/
static void construct_ctr_preload(u8 *ctr_preload,
sint a4_exists, sint qc_exists,
u8 *mpdu, u8 *pn_vector, sint c)
{
sint i;
for (i = 0; i < 16; i++)
ctr_preload[i] = 0x00;
i = 0;
ctr_preload[0] = 0x01; /* flag */
if (qc_exists && a4_exists)
ctr_preload[1] = mpdu[30] & 0x0f;
if (qc_exists && !a4_exists)
ctr_preload[1] = mpdu[24] & 0x0f;
for (i = 2; i < 8; i++)
ctr_preload[i] = mpdu[i + 8];
for (i = 8; i < 14; i++)
ctr_preload[i] = pn_vector[13 - i];
ctr_preload[14] = (unsigned char)(c / 256); /* Ctr */
ctr_preload[15] = (unsigned char)(c % 256);
}
/************************************/
/* bitwise_xor() */
/* A 128 bit, bitwise exclusive or */
/************************************/
static void bitwise_xor(u8 *ina, u8 *inb, u8 *out)
{
sint i;
for (i = 0; i < 16; i++)
out[i] = ina[i] ^ inb[i];
}
static void aes_cipher(u8 *key, uint hdrlen,
u8 *pframe, uint plen)
{
uint qc_exists, a4_exists, i, j, payload_remainder;
uint num_blocks, payload_index;
u8 pn_vector[6];
u8 mic_iv[16];
u8 mic_header1[16];
u8 mic_header2[16];
u8 ctr_preload[16];
/* Intermediate Buffers */
u8 chain_buffer[16];
u8 aes_out[16];
u8 padded_buffer[16];
u8 mic[8];
u16 frtype = GetFrameType(pframe);
u16 frsubtype = GetFrameSubType(pframe);
frsubtype >>= 4;
memset((void *)mic_iv, 0, 16);
memset((void *)mic_header1, 0, 16);
memset((void *)mic_header2, 0, 16);
memset((void *)ctr_preload, 0, 16);
memset((void *)chain_buffer, 0, 16);
memset((void *)aes_out, 0, 16);
memset((void *)padded_buffer, 0, 16);
if ((hdrlen == WLAN_HDR_A3_LEN) || (hdrlen == WLAN_HDR_A3_QOS_LEN))
a4_exists = 0;
else
a4_exists = 1;
if ((frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFACK)) ||
(frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFPOLL)) ||
(frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFACKPOLL))) {
qc_exists = 1;
if (hdrlen != WLAN_HDR_A3_QOS_LEN)
hdrlen += 2;
} else if ((frsubtype == 0x08) ||
(frsubtype == 0x09) ||
(frsubtype == 0x0a) ||
(frsubtype == 0x0b)) {
if (hdrlen != WLAN_HDR_A3_QOS_LEN)
hdrlen += 2;
qc_exists = 1;
} else {
qc_exists = 0;
}
pn_vector[0] = pframe[hdrlen];
pn_vector[1] = pframe[hdrlen + 1];
pn_vector[2] = pframe[hdrlen + 4];
pn_vector[3] = pframe[hdrlen + 5];
pn_vector[4] = pframe[hdrlen + 6];
pn_vector[5] = pframe[hdrlen + 7];
construct_mic_iv(mic_iv, qc_exists, a4_exists, pframe, plen, pn_vector);
construct_mic_header1(mic_header1, hdrlen, pframe);
construct_mic_header2(mic_header2, pframe, a4_exists, qc_exists);
payload_remainder = plen % 16;
num_blocks = plen / 16;
/* Find start of payload */
payload_index = hdrlen + 8;
/* Calculate MIC */
aes128k128d(key, mic_iv, aes_out);
bitwise_xor(aes_out, mic_header1, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
bitwise_xor(aes_out, mic_header2, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
for (i = 0; i < num_blocks; i++) {
bitwise_xor(aes_out, &pframe[payload_index], chain_buffer);
payload_index += 16;
aes128k128d(key, chain_buffer, aes_out);
}
/* Add on the final payload block if it needs padding */
if (payload_remainder > 0) {
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < payload_remainder; j++)
padded_buffer[j] = pframe[payload_index++];
bitwise_xor(aes_out, padded_buffer, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
}
for (j = 0; j < 8; j++)
mic[j] = aes_out[j];
/* Insert MIC into payload */
for (j = 0; j < 8; j++)
pframe[payload_index + j] = mic[j];
payload_index = hdrlen + 8;
for (i = 0; i < num_blocks; i++) {
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
pframe, pn_vector, i + 1);
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, &pframe[payload_index], chain_buffer);
for (j = 0; j < 16; j++)
pframe[payload_index++] = chain_buffer[j];
}
if (payload_remainder > 0) { /* If short final block, then pad it,*/
/* encrypt and copy unpadded part back */
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
pframe, pn_vector, num_blocks + 1);
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < payload_remainder; j++)
padded_buffer[j] = pframe[payload_index + j];
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, padded_buffer, chain_buffer);
for (j = 0; j < payload_remainder; j++)
pframe[payload_index++] = chain_buffer[j];
}
/* Encrypt the MIC */
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
pframe, pn_vector, 0);
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < 8; j++)
padded_buffer[j] = pframe[j + hdrlen + 8 + plen];
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, padded_buffer, chain_buffer);
for (j = 0; j < 8; j++)
pframe[payload_index++] = chain_buffer[j];
}
u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe)
{ /* exclude ICV */
/* Intermediate Buffers */
sint curfragnum, length;
u8 *pframe, *prwskey;
struct sta_info *stainfo;
struct pkt_attrib *pattrib = &((struct xmit_frame *)
pxmitframe)->attrib;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u32 res = _SUCCESS;
if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL)
return _FAIL;
pframe = ((struct xmit_frame *)pxmitframe)->buf_addr + TXDESC_OFFSET;
/* 4 start to encrypt each fragment */
if (pattrib->encrypt == _AES_) {
if (pattrib->psta)
stainfo = pattrib->psta;
else
stainfo = r8712_get_stainfo(&padapter->stapriv,
&pattrib->ra[0]);
if (stainfo) {
prwskey = &stainfo->x_UncstKey.skey[0];
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
if ((curfragnum + 1) == pattrib->nr_frags) {
length = pattrib->last_txcmdsz -
pattrib->hdrlen -
pattrib->iv_len -
pattrib->icv_len;
aes_cipher(prwskey, pattrib->hdrlen,
pframe, length);
} else {
length = pxmitpriv->frag_len -
pattrib->hdrlen -
pattrib->iv_len -
pattrib->icv_len;
aes_cipher(prwskey, pattrib->hdrlen,
pframe, length);
pframe += pxmitpriv->frag_len;
pframe = (u8 *)RND4((addr_t)(pframe));
}
}
} else {
res = _FAIL;
}
}
return res;
}
static void aes_decipher(u8 *key, uint hdrlen,
u8 *pframe, uint plen)
{
static u8 message[MAX_MSG_SIZE];
uint qc_exists, a4_exists, i, j, payload_remainder;
uint num_blocks, payload_index;
u8 pn_vector[6];
u8 mic_iv[16];
u8 mic_header1[16];
u8 mic_header2[16];
u8 ctr_preload[16];
/* Intermediate Buffers */
u8 chain_buffer[16];
u8 aes_out[16];
u8 padded_buffer[16];
u8 mic[8];
uint frtype = GetFrameType(pframe);
uint frsubtype = GetFrameSubType(pframe);
frsubtype >>= 4;
memset((void *)mic_iv, 0, 16);
memset((void *)mic_header1, 0, 16);
memset((void *)mic_header2, 0, 16);
memset((void *)ctr_preload, 0, 16);
memset((void *)chain_buffer, 0, 16);
memset((void *)aes_out, 0, 16);
memset((void *)padded_buffer, 0, 16);
/* start to decrypt the payload */
/*(plen including llc, payload and mic) */
num_blocks = (plen - 8) / 16;
payload_remainder = (plen - 8) % 16;
pn_vector[0] = pframe[hdrlen];
pn_vector[1] = pframe[hdrlen + 1];
pn_vector[2] = pframe[hdrlen + 4];
pn_vector[3] = pframe[hdrlen + 5];
pn_vector[4] = pframe[hdrlen + 6];
pn_vector[5] = pframe[hdrlen + 7];
if ((hdrlen == WLAN_HDR_A3_LEN) || (hdrlen == WLAN_HDR_A3_QOS_LEN))
a4_exists = 0;
else
a4_exists = 1;
if ((frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFACK)) ||
(frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFPOLL)) ||
(frtype == (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA_CFACKPOLL))) {
qc_exists = 1;
if (hdrlen != WLAN_HDR_A3_QOS_LEN)
hdrlen += 2;
} else if ((frsubtype == 0x08) ||
(frsubtype == 0x09) ||
(frsubtype == 0x0a) ||
(frsubtype == 0x0b)) {
if (hdrlen != WLAN_HDR_A3_QOS_LEN)
hdrlen += 2;
qc_exists = 1;
} else {
qc_exists = 0;
}
/* now, decrypt pframe with hdrlen offset and plen long */
payload_index = hdrlen + 8; /* 8 is for extiv */
for (i = 0; i < num_blocks; i++) {
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
pframe, pn_vector, i + 1);
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, &pframe[payload_index], chain_buffer);
for (j = 0; j < 16; j++)
pframe[payload_index++] = chain_buffer[j];
}
if (payload_remainder > 0) { /* If short final block, pad it,*/
/* encrypt it and copy the unpadded part back */
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
pframe, pn_vector, num_blocks + 1);
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < payload_remainder; j++)
padded_buffer[j] = pframe[payload_index + j];
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, padded_buffer, chain_buffer);
for (j = 0; j < payload_remainder; j++)
pframe[payload_index++] = chain_buffer[j];
}
/* start to calculate the mic */
memcpy((void *)message, pframe, (hdrlen + plen + 8));
pn_vector[0] = pframe[hdrlen];
pn_vector[1] = pframe[hdrlen + 1];
pn_vector[2] = pframe[hdrlen + 4];
pn_vector[3] = pframe[hdrlen + 5];
pn_vector[4] = pframe[hdrlen + 6];
pn_vector[5] = pframe[hdrlen + 7];
construct_mic_iv(mic_iv, qc_exists, a4_exists, message, plen - 8,
pn_vector);
construct_mic_header1(mic_header1, hdrlen, message);
construct_mic_header2(mic_header2, message, a4_exists, qc_exists);
payload_remainder = (plen - 8) % 16;
num_blocks = (plen - 8) / 16;
/* Find start of payload */
payload_index = hdrlen + 8;
/* Calculate MIC */
aes128k128d(key, mic_iv, aes_out);
bitwise_xor(aes_out, mic_header1, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
bitwise_xor(aes_out, mic_header2, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
for (i = 0; i < num_blocks; i++) {
bitwise_xor(aes_out, &message[payload_index], chain_buffer);
payload_index += 16;
aes128k128d(key, chain_buffer, aes_out);
}
/* Add on the final payload block if it needs padding */
if (payload_remainder > 0) {
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < payload_remainder; j++)
padded_buffer[j] = message[payload_index++];
bitwise_xor(aes_out, padded_buffer, chain_buffer);
aes128k128d(key, chain_buffer, aes_out);
}
for (j = 0; j < 8; j++)
mic[j] = aes_out[j];
/* Insert MIC into payload */
for (j = 0; j < 8; j++)
message[payload_index + j] = mic[j];
payload_index = hdrlen + 8;
for (i = 0; i < num_blocks; i++) {
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
message, pn_vector, i + 1);
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, &message[payload_index], chain_buffer);
for (j = 0; j < 16; j++)
message[payload_index++] = chain_buffer[j];
}
if (payload_remainder > 0) { /* If short final block, pad it,*/
/* encrypt and copy unpadded part back */
construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
message, pn_vector, num_blocks + 1);
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < payload_remainder; j++)
padded_buffer[j] = message[payload_index + j];
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, padded_buffer, chain_buffer);
for (j = 0; j < payload_remainder; j++)
message[payload_index++] = chain_buffer[j];
}
/* Encrypt the MIC */
construct_ctr_preload(ctr_preload, a4_exists, qc_exists, message,
pn_vector, 0);
for (j = 0; j < 16; j++)
padded_buffer[j] = 0x00;
for (j = 0; j < 8; j++)
padded_buffer[j] = message[j + hdrlen + plen];
aes128k128d(key, ctr_preload, aes_out);
bitwise_xor(aes_out, padded_buffer, chain_buffer);
for (j = 0; j < 8; j++)
message[payload_index++] = chain_buffer[j];
/* compare the mic */
}
void r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe)
{ /* exclude ICV */
/* Intermediate Buffers */
sint length;
u8 *pframe, *prwskey, *iv, idx;
struct sta_info *stainfo;
struct rx_pkt_attrib *prxattrib = &((union recv_frame *)
precvframe)->u.hdr.attrib;
struct security_priv *psecuritypriv = &padapter->securitypriv;
pframe = (unsigned char *)((union recv_frame *)precvframe)->
u.hdr.rx_data;
/* 4 start to encrypt each fragment */
if (prxattrib->encrypt == _AES_) {
stainfo = r8712_get_stainfo(&padapter->stapriv,
&prxattrib->ta[0]);
if (stainfo) {
if (is_multicast_ether_addr(prxattrib->ra)) {
iv = pframe + prxattrib->hdrlen;
idx = iv[3];
prwskey = &psecuritypriv->XGrpKey[
((idx >> 6) & 0x3) - 1].skey[0];
if (!psecuritypriv->binstallGrpkey)
return;
} else {
prwskey = &stainfo->x_UncstKey.skey[0];
}
length = ((union recv_frame *)precvframe)->
u.hdr.len - prxattrib->hdrlen -
prxattrib->iv_len;
aes_decipher(prwskey, prxattrib->hdrlen, pframe,
length);
}
}
}
void r8712_use_tkipkey_handler(struct timer_list *t)
{
struct _adapter *padapter =
from_timer(padapter, t, securitypriv.tkip_timer);
padapter->securitypriv.busetkipkey = true;
}
| linux-master | drivers/staging/rtl8712/rtl871x_security.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* xmit_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _XMIT_OSDEP_C_
#include <linux/usb.h>
#include <linux/ip.h>
#include <linux/if_ether.h>
#include <linux/kmemleak.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include "mlme_osdep.h"
#include "xmit_osdep.h"
#include "osdep_intf.h"
static uint remainder_len(struct pkt_file *pfile)
{
return (uint)(pfile->buf_len - ((addr_t)(pfile->cur_addr) -
(addr_t)(pfile->buf_start)));
}
void _r8712_open_pktfile(_pkt *pktptr, struct pkt_file *pfile)
{
pfile->pkt = pktptr;
pfile->cur_addr = pfile->buf_start = pktptr->data;
pfile->pkt_len = pfile->buf_len = pktptr->len;
pfile->cur_buffer = pfile->buf_start;
}
uint _r8712_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen)
{
uint len;
len = remainder_len(pfile);
len = (rlen > len) ? len : rlen;
if (rmem)
skb_copy_bits(pfile->pkt, pfile->buf_len - pfile->pkt_len,
rmem, len);
pfile->cur_addr += len;
pfile->pkt_len -= len;
return len;
}
sint r8712_endofpktfile(struct pkt_file *pfile)
{
return (pfile->pkt_len == 0);
}
void r8712_set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
{
struct ethhdr etherhdr;
struct iphdr ip_hdr;
u16 user_priority = 0;
_r8712_open_pktfile(ppktfile->pkt, ppktfile);
_r8712_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN);
/* get user_priority from IP hdr*/
if (pattrib->ether_type == 0x0800) {
_r8712_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
/*user_priority = (ntohs(ip_hdr.tos) >> 5) & 0x3 ;*/
user_priority = ip_hdr.tos >> 5;
} else {
/* "When priority processing of data frames is supported,
* a STA's SME should send EAPOL-Key frames at the highest
* priority."
*/
if (pattrib->ether_type == 0x888e)
user_priority = 7;
}
pattrib->priority = user_priority;
pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
pattrib->subtype = WIFI_QOS_DATA_TYPE;
}
void r8712_SetFilter(struct work_struct *work)
{
struct _adapter *adapter = container_of(work, struct _adapter,
wk_filter_rx_ff0);
u8 oldvalue = 0x00, newvalue = 0x00;
oldvalue = r8712_read8(adapter, 0x117);
newvalue = oldvalue & 0xfe;
r8712_write8(adapter, 0x117, newvalue);
wait_for_completion(&adapter->rx_filter_ready);
r8712_write8(adapter, 0x117, oldvalue);
}
int r8712_xmit_resource_alloc(struct _adapter *padapter,
struct xmit_buf *pxmitbuf)
{
int i;
for (i = 0; i < 8; i++) {
pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!pxmitbuf->pxmit_urb[i]) {
int k;
for (k = i - 1; k >= 0; k--) {
/* handle allocation errors part way through loop */
usb_free_urb(pxmitbuf->pxmit_urb[k]);
}
netdev_err(padapter->pnetdev, "pxmitbuf->pxmit_urb[i] == NULL\n");
return -ENOMEM;
}
kmemleak_not_leak(pxmitbuf->pxmit_urb[i]);
}
return 0;
}
void r8712_xmit_resource_free(struct _adapter *padapter,
struct xmit_buf *pxmitbuf)
{
int i;
for (i = 0; i < 8; i++) {
if (pxmitbuf->pxmit_urb[i]) {
usb_kill_urb(pxmitbuf->pxmit_urb[i]);
usb_free_urb(pxmitbuf->pxmit_urb[i]);
}
}
}
void r8712_xmit_complete(struct _adapter *padapter, struct xmit_frame *pxframe)
{
if (pxframe->pkt)
dev_kfree_skb_any(pxframe->pkt);
pxframe->pkt = NULL;
}
netdev_tx_t r8712_xmit_entry(_pkt *pkt, struct net_device *netdev)
{
struct xmit_frame *xmitframe = NULL;
struct _adapter *adapter = netdev_priv(netdev);
struct xmit_priv *xmitpriv = &(adapter->xmitpriv);
if (!r8712_if_up(adapter))
goto _xmit_entry_drop;
xmitframe = r8712_alloc_xmitframe(xmitpriv);
if (!xmitframe)
goto _xmit_entry_drop;
if (r8712_update_attrib(adapter, pkt, &xmitframe->attrib))
goto _xmit_entry_drop;
adapter->ledpriv.LedControlHandler(adapter, LED_CTL_TX);
xmitframe->pkt = pkt;
if (r8712_pre_xmit(adapter, xmitframe)) {
/*dump xmitframe directly or drop xframe*/
dev_kfree_skb_any(pkt);
xmitframe->pkt = NULL;
}
xmitpriv->tx_pkts++;
xmitpriv->tx_bytes += xmitframe->attrib.last_txcmdsz;
return NETDEV_TX_OK;
_xmit_entry_drop:
if (xmitframe)
r8712_free_xmitframe(xmitpriv, xmitframe);
xmitpriv->tx_drop++;
dev_kfree_skb_any(pkt);
return NETDEV_TX_OK;
}
| linux-master | drivers/staging/rtl8712/xmit_linux.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* os_intfs.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _OS_INTFS_C_
#include <linux/module.h>
#include <linux/kthread.h>
#include <linux/firmware.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "xmit_osdep.h"
#include "recv_osdep.h"
#include "rtl871x_ioctl.h"
#include "usb_osintf.h"
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("rtl871x wireless lan driver");
MODULE_AUTHOR("Larry Finger");
static char ifname[IFNAMSIZ] = "wlan%d";
/* module param defaults */
static int chip_version = RTL8712_2ndCUT;
static int rfintfs = HWPI;
static int lbkmode = RTL8712_AIR_TRX;
static int hci = RTL8712_USB;
static int ampdu_enable = 1;/*for enable tx_ampdu*/
/* The video_mode variable is for video mode.*/
/* It may be specify when inserting module with video_mode=1 parameter.*/
static int video_mode = 1; /* enable video mode*/
/*Ndis802_11Infrastructure; infra, ad-hoc, auto*/
static int network_mode = Ndis802_11IBSS;
static int channel = 1;/*ad-hoc support requirement*/
static int wireless_mode = WIRELESS_11BG;
static int vrtl_carrier_sense = AUTO_VCS;
static int vcs_type = RTS_CTS;
static int frag_thresh = 2346;
static int preamble = PREAMBLE_LONG;/*long, short, auto*/
static int scan_mode = 1;/*active, passive*/
static int adhoc_tx_pwr = 1;
static int soft_ap;
static int smart_ps = 1;
static int power_mgnt = PS_MODE_ACTIVE;
static int radio_enable = 1;
static int long_retry_lmt = 7;
static int short_retry_lmt = 7;
static int busy_thresh = 40;
static int ack_policy = NORMAL_ACK;
static int mp_mode;
static int software_encrypt;
static int software_decrypt;
static int wmm_enable;/* default is set to disable the wmm.*/
static int uapsd_enable;
static int uapsd_max_sp = NO_LIMIT;
static int uapsd_acbk_en;
static int uapsd_acbe_en;
static int uapsd_acvi_en;
static int uapsd_acvo_en;
static int ht_enable = 1;
static int cbw40_enable = 1;
static int rf_config = RTL8712_RF_1T2R; /* 1T2R*/
static int low_power;
/* mac address to use instead of the one stored in Efuse */
char *r8712_initmac;
static char *initmac;
/* if wifi_test = 1, driver will disable the turbo mode and pass it to
* firmware private.
*/
static int wifi_test;
module_param_string(ifname, ifname, sizeof(ifname), 0644);
module_param(wifi_test, int, 0644);
module_param(initmac, charp, 0644);
module_param(video_mode, int, 0644);
module_param(chip_version, int, 0644);
module_param(rfintfs, int, 0644);
module_param(lbkmode, int, 0644);
module_param(hci, int, 0644);
module_param(network_mode, int, 0644);
module_param(channel, int, 0644);
module_param(mp_mode, int, 0644);
module_param(wmm_enable, int, 0644);
module_param(vrtl_carrier_sense, int, 0644);
module_param(vcs_type, int, 0644);
module_param(busy_thresh, int, 0644);
module_param(ht_enable, int, 0644);
module_param(cbw40_enable, int, 0644);
module_param(ampdu_enable, int, 0644);
module_param(rf_config, int, 0644);
module_param(power_mgnt, int, 0644);
module_param(low_power, int, 0644);
MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
MODULE_PARM_DESC(initmac, "MAC-Address, default: use FUSE");
static int netdev_open(struct net_device *pnetdev);
static int netdev_close(struct net_device *pnetdev);
static void loadparam(struct _adapter *padapter, struct net_device *pnetdev)
{
struct registry_priv *registry_par = &padapter->registrypriv;
registry_par->chip_version = (u8)chip_version;
registry_par->rfintfs = (u8)rfintfs;
registry_par->lbkmode = (u8)lbkmode;
registry_par->hci = (u8)hci;
registry_par->network_mode = (u8)network_mode;
memcpy(registry_par->ssid.Ssid, "ANY", 3);
registry_par->ssid.SsidLength = 3;
registry_par->channel = (u8)channel;
registry_par->wireless_mode = (u8)wireless_mode;
registry_par->vrtl_carrier_sense = (u8)vrtl_carrier_sense;
registry_par->vcs_type = (u8)vcs_type;
registry_par->frag_thresh = (u16)frag_thresh;
registry_par->preamble = (u8)preamble;
registry_par->scan_mode = (u8)scan_mode;
registry_par->adhoc_tx_pwr = (u8)adhoc_tx_pwr;
registry_par->soft_ap = (u8)soft_ap;
registry_par->smart_ps = (u8)smart_ps;
registry_par->power_mgnt = (u8)power_mgnt;
registry_par->radio_enable = (u8)radio_enable;
registry_par->long_retry_lmt = (u8)long_retry_lmt;
registry_par->short_retry_lmt = (u8)short_retry_lmt;
registry_par->busy_thresh = (u16)busy_thresh;
registry_par->ack_policy = (u8)ack_policy;
registry_par->mp_mode = (u8)mp_mode;
registry_par->software_encrypt = (u8)software_encrypt;
registry_par->software_decrypt = (u8)software_decrypt;
/*UAPSD*/
registry_par->wmm_enable = (u8)wmm_enable;
registry_par->uapsd_enable = (u8)uapsd_enable;
registry_par->uapsd_max_sp = (u8)uapsd_max_sp;
registry_par->uapsd_acbk_en = (u8)uapsd_acbk_en;
registry_par->uapsd_acbe_en = (u8)uapsd_acbe_en;
registry_par->uapsd_acvi_en = (u8)uapsd_acvi_en;
registry_par->uapsd_acvo_en = (u8)uapsd_acvo_en;
registry_par->ht_enable = (u8)ht_enable;
registry_par->cbw40_enable = (u8)cbw40_enable;
registry_par->ampdu_enable = (u8)ampdu_enable;
registry_par->rf_config = (u8)rf_config;
registry_par->low_power = (u8)low_power;
registry_par->wifi_test = (u8)wifi_test;
r8712_initmac = initmac;
}
static int r871x_net_set_mac_address(struct net_device *pnetdev, void *p)
{
struct _adapter *padapter = netdev_priv(pnetdev);
struct sockaddr *addr = p;
if (!padapter->bup)
eth_hw_addr_set(pnetdev, addr->sa_data);
return 0;
}
static struct net_device_stats *r871x_net_get_stats(struct net_device *pnetdev)
{
struct _adapter *padapter = netdev_priv(pnetdev);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct recv_priv *precvpriv = &padapter->recvpriv;
padapter->stats.tx_packets = pxmitpriv->tx_pkts;
padapter->stats.rx_packets = precvpriv->rx_pkts;
padapter->stats.tx_dropped = pxmitpriv->tx_drop;
padapter->stats.rx_dropped = precvpriv->rx_drop;
padapter->stats.tx_bytes = pxmitpriv->tx_bytes;
padapter->stats.rx_bytes = precvpriv->rx_bytes;
return &padapter->stats;
}
static const struct net_device_ops rtl8712_netdev_ops = {
.ndo_open = netdev_open,
.ndo_stop = netdev_close,
.ndo_start_xmit = r8712_xmit_entry,
.ndo_set_mac_address = r871x_net_set_mac_address,
.ndo_get_stats = r871x_net_get_stats,
.ndo_do_ioctl = r871x_ioctl,
};
struct net_device *r8712_init_netdev(void)
{
struct _adapter *padapter;
struct net_device *pnetdev;
pnetdev = alloc_etherdev(sizeof(struct _adapter));
if (!pnetdev)
return NULL;
if (dev_alloc_name(pnetdev, ifname) < 0) {
strscpy(ifname, "wlan%d", sizeof(ifname));
dev_alloc_name(pnetdev, ifname);
}
padapter = netdev_priv(pnetdev);
padapter->pnetdev = pnetdev;
pr_info("r8712u: register rtl8712_netdev_ops to netdev_ops\n");
pnetdev->netdev_ops = &rtl8712_netdev_ops;
pnetdev->watchdog_timeo = HZ; /* 1 second timeout */
pnetdev->wireless_handlers = (struct iw_handler_def *)
&r871x_handlers_def;
loadparam(padapter, pnetdev);
netif_carrier_off(pnetdev);
padapter->pid = 0; /* Initial the PID value used for HW PBC.*/
return pnetdev;
}
static u32 start_drv_threads(struct _adapter *padapter)
{
padapter->cmd_thread = kthread_run(r8712_cmd_thread, padapter, "%s",
padapter->pnetdev->name);
if (IS_ERR(padapter->cmd_thread))
return _FAIL;
return _SUCCESS;
}
void r8712_stop_drv_threads(struct _adapter *padapter)
{
struct completion *completion =
&padapter->cmdpriv.terminate_cmdthread_comp;
/*Below is to terminate r8712_cmd_thread & event_thread...*/
complete(&padapter->cmdpriv.cmd_queue_comp);
if (padapter->cmd_thread)
wait_for_completion_interruptible(completion);
padapter->cmdpriv.cmd_seq = 1;
}
static void start_drv_timers(struct _adapter *padapter)
{
mod_timer(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
jiffies + msecs_to_jiffies(5000));
mod_timer(&padapter->mlmepriv.wdg_timer,
jiffies + msecs_to_jiffies(2000));
}
void r8712_stop_drv_timers(struct _adapter *padapter)
{
del_timer_sync(&padapter->mlmepriv.assoc_timer);
del_timer_sync(&padapter->securitypriv.tkip_timer);
del_timer_sync(&padapter->mlmepriv.scan_to_timer);
del_timer_sync(&padapter->mlmepriv.dhcp_timer);
del_timer_sync(&padapter->mlmepriv.wdg_timer);
del_timer_sync(&padapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer);
}
static void init_default_value(struct _adapter *padapter)
{
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
/*xmit_priv*/
pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
pxmitpriv->vcs = pregistrypriv->vcs_type;
pxmitpriv->vcs_type = pregistrypriv->vcs_type;
pxmitpriv->rts_thresh = pregistrypriv->rts_thresh;
pxmitpriv->frag_len = pregistrypriv->frag_thresh;
/* mlme_priv */
/* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
/*ht_priv*/
{
int i;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
phtpriv->ampdu_enable = false;/*set to disabled*/
for (i = 0; i < 16; i++)
phtpriv->baddbareq_issued[i] = false;
}
/*security_priv*/
psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
psecuritypriv->binstallGrpkey = _FAIL;
/*pwrctrl_priv*/
/*registry_priv*/
r8712_init_registrypriv_dev_network(padapter);
r8712_update_registrypriv_dev_network(padapter);
/*misc.*/
}
int r8712_init_drv_sw(struct _adapter *padapter)
{
int ret;
ret = r8712_init_cmd_priv(&padapter->cmdpriv);
if (ret)
return ret;
padapter->cmdpriv.padapter = padapter;
ret = r8712_init_evt_priv(&padapter->evtpriv);
if (ret)
goto free_cmd;
ret = r8712_init_mlme_priv(padapter);
if (ret)
goto free_evt;
ret = _r8712_init_xmit_priv(&padapter->xmitpriv, padapter);
if (ret)
goto free_mlme;
ret = _r8712_init_recv_priv(&padapter->recvpriv, padapter);
if (ret)
goto free_xmit;
memset((unsigned char *)&padapter->securitypriv, 0,
sizeof(struct security_priv));
timer_setup(&padapter->securitypriv.tkip_timer,
r8712_use_tkipkey_handler, 0);
ret = _r8712_init_sta_priv(&padapter->stapriv);
if (ret)
goto free_recv;
padapter->stapriv.padapter = padapter;
r8712_init_bcmc_stainfo(padapter);
r8712_init_pwrctrl_priv(padapter);
mp871xinit(padapter);
init_default_value(padapter);
r8712_InitSwLeds(padapter);
mutex_init(&padapter->mutex_start);
return 0;
free_recv:
_r8712_free_recv_priv(&padapter->recvpriv);
free_xmit:
_free_xmit_priv(&padapter->xmitpriv);
free_mlme:
r8712_free_mlme_priv(&padapter->mlmepriv);
free_evt:
r8712_free_evt_priv(&padapter->evtpriv);
free_cmd:
r8712_free_cmd_priv(&padapter->cmdpriv);
return ret;
}
void r8712_free_drv_sw(struct _adapter *padapter)
{
r8712_free_cmd_priv(&padapter->cmdpriv);
r8712_free_evt_priv(&padapter->evtpriv);
r8712_DeInitSwLeds(padapter);
r8712_free_mlme_priv(&padapter->mlmepriv);
_free_xmit_priv(&padapter->xmitpriv);
_r8712_free_sta_priv(&padapter->stapriv);
_r8712_free_recv_priv(&padapter->recvpriv);
mp871xdeinit(padapter);
}
static void enable_video_mode(struct _adapter *padapter, int cbw40_value)
{
/* bit 8:
* 1 -> enable video mode to 96B AP
* 0 -> disable video mode to 96B AP
* bit 9:
* 1 -> enable 40MHz mode
* 0 -> disable 40MHz mode
* bit 10:
* 1 -> enable STBC
* 0 -> disable STBC
*/
u32 intcmd = 0xf4000500; /* enable bit8, bit10*/
if (cbw40_value) {
/* if the driver supports the 40M bandwidth,
* we can enable the bit 9.
*/
intcmd |= 0x200;
}
r8712_fw_cmd(padapter, intcmd);
}
/*
*
* This function intends to handle the activation of an interface
* i.e. when it is brought Up/Active from a Down state.
*
*/
static int netdev_open(struct net_device *pnetdev)
{
struct _adapter *padapter = netdev_priv(pnetdev);
mutex_lock(&padapter->mutex_start);
if (!padapter->bup) {
padapter->driver_stopped = false;
padapter->surprise_removed = false;
padapter->bup = true;
if (rtl871x_hal_init(padapter) != _SUCCESS)
goto netdev_open_error;
if (!r8712_initmac) {
/* Use the mac address stored in the Efuse */
eth_hw_addr_set(pnetdev,
padapter->eeprompriv.mac_addr);
} else {
/* We have to inform f/w to use user-supplied MAC
* address.
*/
msleep(200);
r8712_setMacAddr_cmd(padapter,
(const u8 *)pnetdev->dev_addr);
/*
* The "myid" function will get the wifi mac address
* from eeprompriv structure instead of netdev
* structure. So, we have to overwrite the mac_addr
* stored in the eeprompriv structure. In this case,
* the real mac address won't be used anymore. So that,
* the eeprompriv.mac_addr should store the mac which
* users specify.
*/
memcpy(padapter->eeprompriv.mac_addr,
pnetdev->dev_addr, ETH_ALEN);
}
if (start_drv_threads(padapter) != _SUCCESS)
goto netdev_open_error;
if (!padapter->dvobjpriv.inirp_init)
goto netdev_open_error;
else
padapter->dvobjpriv.inirp_init(padapter);
r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
padapter->registrypriv.smart_ps);
}
if (!netif_queue_stopped(pnetdev))
netif_start_queue(pnetdev);
else
netif_wake_queue(pnetdev);
if (video_mode)
enable_video_mode(padapter, cbw40_enable);
/* start driver mlme relation timer */
start_drv_timers(padapter);
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
mutex_unlock(&padapter->mutex_start);
return 0;
netdev_open_error:
padapter->bup = false;
netif_carrier_off(pnetdev);
netif_stop_queue(pnetdev);
mutex_unlock(&padapter->mutex_start);
return -1;
}
/*
*
* This function intends to handle the shutdown of an interface
* i.e. when it is brought Down from an Up/Active state.
*
*/
static int netdev_close(struct net_device *pnetdev)
{
struct _adapter *padapter = netdev_priv(pnetdev);
/* Close LED*/
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_POWER_OFF);
msleep(200);
/*s1.*/
if (pnetdev) {
if (!netif_queue_stopped(pnetdev))
netif_stop_queue(pnetdev);
}
/*s2.*/
/*s2-1. issue disassoc_cmd to fw*/
r8712_disassoc_cmd(padapter);
/*s2-2. indicate disconnect to os*/
r8712_ind_disconnect(padapter);
/*s2-3.*/
r8712_free_assoc_resources(padapter);
/*s2-4.*/
r8712_free_network_queue(padapter);
return 0;
}
#include "mlme_osdep.h"
| linux-master | drivers/staging/rtl8712/os_intfs.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_eeprom.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_EEPROM_C_
#include "osdep_service.h"
#include "drv_types.h"
static void up_clk(struct _adapter *padapter, u16 *x)
{
*x = *x | _EESK;
r8712_write8(padapter, EE_9346CR, (u8)*x);
udelay(CLOCK_RATE);
}
static void down_clk(struct _adapter *padapter, u16 *x)
{
*x = *x & ~_EESK;
r8712_write8(padapter, EE_9346CR, (u8)*x);
udelay(CLOCK_RATE);
}
static void shift_out_bits(struct _adapter *padapter, u16 data, u16 count)
{
u16 x, mask;
if (padapter->surprise_removed)
goto out;
mask = 0x01 << (count - 1);
x = r8712_read8(padapter, EE_9346CR);
x &= ~(_EEDO | _EEDI);
do {
x &= ~_EEDI;
if (data & mask)
x |= _EEDI;
if (padapter->surprise_removed)
goto out;
r8712_write8(padapter, EE_9346CR, (u8)x);
udelay(CLOCK_RATE);
up_clk(padapter, &x);
down_clk(padapter, &x);
mask >>= 1;
} while (mask);
if (padapter->surprise_removed)
goto out;
x &= ~_EEDI;
r8712_write8(padapter, EE_9346CR, (u8)x);
out:;
}
static u16 shift_in_bits(struct _adapter *padapter)
{
u16 x, d = 0, i;
if (padapter->surprise_removed)
goto out;
x = r8712_read8(padapter, EE_9346CR);
x &= ~(_EEDO | _EEDI);
d = 0;
for (i = 0; i < 16; i++) {
d <<= 1;
up_clk(padapter, &x);
if (padapter->surprise_removed)
goto out;
x = r8712_read8(padapter, EE_9346CR);
x &= ~(_EEDI);
if (x & _EEDO)
d |= 1;
down_clk(padapter, &x);
}
out:
return d;
}
static void standby(struct _adapter *padapter)
{
u8 x;
x = r8712_read8(padapter, EE_9346CR);
x &= ~(_EECS | _EESK);
r8712_write8(padapter, EE_9346CR, x);
udelay(CLOCK_RATE);
x |= _EECS;
r8712_write8(padapter, EE_9346CR, x);
udelay(CLOCK_RATE);
}
static u16 wait_eeprom_cmd_done(struct _adapter *padapter)
{
u8 x;
u16 i;
standby(padapter);
for (i = 0; i < 200; i++) {
x = r8712_read8(padapter, EE_9346CR);
if (x & _EEDO)
return true;
udelay(CLOCK_RATE);
}
return false;
}
static void eeprom_clean(struct _adapter *padapter)
{
u16 x;
if (padapter->surprise_removed)
return;
x = r8712_read8(padapter, EE_9346CR);
if (padapter->surprise_removed)
return;
x &= ~(_EECS | _EEDI);
r8712_write8(padapter, EE_9346CR, (u8)x);
if (padapter->surprise_removed)
return;
up_clk(padapter, &x);
if (padapter->surprise_removed)
return;
down_clk(padapter, &x);
}
void r8712_eeprom_write16(struct _adapter *padapter, u16 reg, u16 data)
{
u8 x;
u8 tmp8_ori, tmp8_new, tmp8_clk_ori, tmp8_clk_new;
tmp8_ori = r8712_read8(padapter, 0x102502f1);
tmp8_new = tmp8_ori & 0xf7;
if (tmp8_ori != tmp8_new)
r8712_write8(padapter, 0x102502f1, tmp8_new);
tmp8_clk_ori = r8712_read8(padapter, 0x10250003);
tmp8_clk_new = tmp8_clk_ori | 0x20;
if (tmp8_clk_new != tmp8_clk_ori)
r8712_write8(padapter, 0x10250003, tmp8_clk_new);
x = r8712_read8(padapter, EE_9346CR);
x &= ~(_EEDI | _EEDO | _EESK | _EEM0);
x |= _EEM1 | _EECS;
r8712_write8(padapter, EE_9346CR, x);
shift_out_bits(padapter, EEPROM_EWEN_OPCODE, 5);
if (padapter->eeprom_address_size == 8) /*CF+ and SDIO*/
shift_out_bits(padapter, 0, 6);
else /* USB */
shift_out_bits(padapter, 0, 4);
standby(padapter);
/* Erase this particular word. Write the erase opcode and register
* number in that order. The opcode is 3bits in length; reg is 6
* bits long.
*/
standby(padapter);
/* write the new word to the EEPROM
* send the write opcode the EEPORM
*/
shift_out_bits(padapter, EEPROM_WRITE_OPCODE, 3);
/* select which word in the EEPROM that we are writing to. */
shift_out_bits(padapter, reg, padapter->eeprom_address_size);
/* write the data to the selected EEPROM word. */
shift_out_bits(padapter, data, 16);
if (wait_eeprom_cmd_done(padapter)) {
standby(padapter);
shift_out_bits(padapter, EEPROM_EWDS_OPCODE, 5);
shift_out_bits(padapter, reg, 4);
eeprom_clean(padapter);
}
if (tmp8_clk_new != tmp8_clk_ori)
r8712_write8(padapter, 0x10250003, tmp8_clk_ori);
if (tmp8_new != tmp8_ori)
r8712_write8(padapter, 0x102502f1, tmp8_ori);
}
u16 r8712_eeprom_read16(struct _adapter *padapter, u16 reg) /*ReadEEprom*/
{
u16 x;
u16 data = 0;
u8 tmp8_ori, tmp8_new, tmp8_clk_ori, tmp8_clk_new;
tmp8_ori = r8712_read8(padapter, 0x102502f1);
tmp8_new = tmp8_ori & 0xf7;
if (tmp8_ori != tmp8_new)
r8712_write8(padapter, 0x102502f1, tmp8_new);
tmp8_clk_ori = r8712_read8(padapter, 0x10250003);
tmp8_clk_new = tmp8_clk_ori | 0x20;
if (tmp8_clk_new != tmp8_clk_ori)
r8712_write8(padapter, 0x10250003, tmp8_clk_new);
if (padapter->surprise_removed)
goto out;
/* select EEPROM, reset bits, set _EECS */
x = r8712_read8(padapter, EE_9346CR);
if (padapter->surprise_removed)
goto out;
x &= ~(_EEDI | _EEDO | _EESK | _EEM0);
x |= _EEM1 | _EECS;
r8712_write8(padapter, EE_9346CR, (unsigned char)x);
/* write the read opcode and register number in that order
* The opcode is 3bits in length, reg is 6 bits long
*/
shift_out_bits(padapter, EEPROM_READ_OPCODE, 3);
shift_out_bits(padapter, reg, padapter->eeprom_address_size);
/* Now read the data (16 bits) in from the selected EEPROM word */
data = shift_in_bits(padapter);
eeprom_clean(padapter);
out:
if (tmp8_clk_new != tmp8_clk_ori)
r8712_write8(padapter, 0x10250003, tmp8_clk_ori);
if (tmp8_new != tmp8_ori)
r8712_write8(padapter, 0x102502f1, tmp8_ori);
return data;
}
| linux-master | drivers/staging/rtl8712/rtl871x_eeprom.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl8712_led.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#include "drv_types.h"
/*===========================================================================
* Constant.
*===========================================================================
*
* Default LED behavior.
*/
#define LED_BLINK_NORMAL_INTERVAL 100
#define LED_BLINK_SLOWLY_INTERVAL 200
#define LED_BLINK_LONG_INTERVAL 400
#define LED_BLINK_NO_LINK_INTERVAL_ALPHA 1000
#define LED_BLINK_LINK_INTERVAL_ALPHA 500
#define LED_BLINK_SCAN_INTERVAL_ALPHA 180
#define LED_BLINK_FASTER_INTERVAL_ALPHA 50
#define LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA 5000
/*===========================================================================
* LED object.
*===========================================================================
*/
enum _LED_STATE_871x {
LED_UNKNOWN = 0,
LED_STATE_ON = 1,
LED_STATE_OFF = 2,
LED_BLINK_NORMAL = 3,
LED_BLINK_SLOWLY = 4,
LED_POWER_ON_BLINK = 5,
LED_SCAN_BLINK = 6, /* LED is blinking during scanning period,
* the # of times to blink is depend on time
* for scanning.
*/
LED_NO_LINK_BLINK = 7, /* LED is blinking during no link state. */
LED_BLINK_StartToBlink = 8,/* Customized for Sercomm Printer
* Server case
*/
LED_BLINK_WPS = 9, /* LED is blinkg during WPS communication */
LED_TXRX_BLINK = 10,
LED_BLINK_WPS_STOP = 11, /*for ALPHA */
LED_BLINK_WPS_STOP_OVERLAP = 12, /*for BELKIN */
};
/*===========================================================================
* Prototype of protected function.
*===========================================================================
*/
static void BlinkTimerCallback(struct timer_list *t);
static void BlinkWorkItemCallback(struct work_struct *work);
/*===========================================================================
* LED_819xUsb routines.
*===========================================================================
*
*
*
* Description:
* Initialize an LED_871x object.
*/
static void InitLed871x(struct _adapter *padapter, struct LED_871x *pLed,
enum LED_PIN_871x LedPin)
{
pLed->padapter = padapter;
pLed->LedPin = LedPin;
pLed->CurrLedState = LED_STATE_OFF;
pLed->bLedOn = false;
pLed->bLedBlinkInProgress = false;
pLed->BlinkTimes = 0;
pLed->BlinkingLedState = LED_UNKNOWN;
timer_setup(&pLed->BlinkTimer, BlinkTimerCallback, 0);
INIT_WORK(&pLed->BlinkWorkItem, BlinkWorkItemCallback);
}
/*
* Description:
* DeInitialize an LED_871x object.
*/
static void DeInitLed871x(struct LED_871x *pLed)
{
del_timer_sync(&pLed->BlinkTimer);
/* We should reset bLedBlinkInProgress if we cancel
* the LedControlTimer,
*/
pLed->bLedBlinkInProgress = false;
}
/*
* Description:
* Turn on LED according to LedPin specified.
*/
static void SwLedOn(struct _adapter *padapter, struct LED_871x *pLed)
{
u8 LedCfg;
if (padapter->surprise_removed || padapter->driver_stopped)
return;
LedCfg = r8712_read8(padapter, LEDCFG);
switch (pLed->LedPin) {
case LED_PIN_GPIO0:
break;
case LED_PIN_LED0:
/* SW control led0 on.*/
r8712_write8(padapter, LEDCFG, LedCfg & 0xf0);
break;
case LED_PIN_LED1:
/* SW control led1 on.*/
r8712_write8(padapter, LEDCFG, LedCfg & 0x0f);
break;
default:
break;
}
pLed->bLedOn = true;
}
/*
* Description:
* Turn off LED according to LedPin specified.
*/
static void SwLedOff(struct _adapter *padapter, struct LED_871x *pLed)
{
u8 LedCfg;
if (padapter->surprise_removed || padapter->driver_stopped)
return;
LedCfg = r8712_read8(padapter, LEDCFG);
switch (pLed->LedPin) {
case LED_PIN_GPIO0:
break;
case LED_PIN_LED0:
LedCfg &= 0xf0; /* Set to software control.*/
r8712_write8(padapter, LEDCFG, (LedCfg | BIT(3)));
break;
case LED_PIN_LED1:
LedCfg &= 0x0f; /* Set to software control.*/
r8712_write8(padapter, LEDCFG, (LedCfg | BIT(7)));
break;
default:
break;
}
pLed->bLedOn = false;
}
/*===========================================================================
* Interface to manipulate LED objects.
*===========================================================================
*
* Description:
* Initialize all LED_871x objects.
*/
void r8712_InitSwLeds(struct _adapter *padapter)
{
struct led_priv *pledpriv = &padapter->ledpriv;
pledpriv->LedControlHandler = LedControl871x;
InitLed871x(padapter, &pledpriv->SwLed0, LED_PIN_LED0);
InitLed871x(padapter, &pledpriv->SwLed1, LED_PIN_LED1);
}
/* Description:
* DeInitialize all LED_819xUsb objects.
*/
void r8712_DeInitSwLeds(struct _adapter *padapter)
{
struct led_priv *ledpriv = &padapter->ledpriv;
DeInitLed871x(&ledpriv->SwLed0);
DeInitLed871x(&ledpriv->SwLed1);
}
/* Description:
* Implementation of LED blinking behavior.
* It toggle off LED and schedule corresponding timer if necessary.
*/
static void SwLedBlink(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
/* Determine if we shall change LED state again. */
pLed->BlinkTimes--;
switch (pLed->CurrLedState) {
case LED_BLINK_NORMAL:
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
break;
case LED_BLINK_StartToBlink:
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
(pmlmepriv->fw_state & WIFI_STATION_STATE))
bStopBlinking = true;
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
((pmlmepriv->fw_state & WIFI_ADHOC_STATE) ||
(pmlmepriv->fw_state & WIFI_ADHOC_MASTER_STATE)))
bStopBlinking = true;
else if (pLed->BlinkTimes == 0)
bStopBlinking = true;
break;
case LED_BLINK_WPS:
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
break;
default:
bStopBlinking = true;
break;
}
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED) &&
!pLed->bLedOn)
SwLedOn(padapter, pLed);
else if (check_fwstate(pmlmepriv, _FW_LINKED) && pLed->bLedOn)
SwLedOff(padapter, pLed);
pLed->BlinkTimes = 0;
pLed->bLedBlinkInProgress = false;
} else {
/* Assign LED state to toggle. */
if (pLed->BlinkingLedState == LED_STATE_ON)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
/* Schedule a timer to toggle LED state. */
switch (pLed->CurrLedState) {
case LED_BLINK_NORMAL:
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
break;
case LED_BLINK_SLOWLY:
case LED_BLINK_StartToBlink:
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
break;
case LED_BLINK_WPS:
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LONG_INTERVAL));
break;
default:
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
break;
}
}
}
static void SwLedBlink1(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct eeprom_priv *peeprompriv = &padapter->eeprompriv;
struct LED_871x *pLed1 = &ledpriv->SwLed1;
u8 bStopBlinking = false;
if (peeprompriv->CustomerID == RT_CID_819x_CAMEO)
pLed = &ledpriv->SwLed1;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
if (peeprompriv->CustomerID == RT_CID_DEFAULT) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (!pLed1->bSWLedCtrl) {
SwLedOn(padapter, pLed1);
pLed1->bSWLedCtrl = true;
} else if (!pLed1->bLedOn) {
SwLedOn(padapter, pLed1);
}
} else {
if (!pLed1->bSWLedCtrl) {
SwLedOff(padapter, pLed1);
pLed1->bSWLedCtrl = true;
} else if (pLed1->bLedOn) {
SwLedOff(padapter, pLed1);
}
}
}
switch (pLed->CurrLedState) {
case LED_BLINK_SLOWLY:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
break;
case LED_BLINK_NORMAL:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
break;
case LED_SCAN_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
}
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
}
pLed->BlinkTimes = 0;
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_BLINK_WPS:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
break;
case LED_BLINK_WPS_STOP: /* WPS success */
if (pLed->BlinkingLedState == LED_STATE_ON) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
bStopBlinking = false;
} else {
bStopBlinking = true;
}
if (bStopBlinking) {
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
}
pLed->bLedWPSBlinkInProgress = false;
break;
default:
break;
}
}
static void SwLedBlink2(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
switch (pLed->CurrLedState) {
case LED_SCAN_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
SwLedOn(padapter, pLed);
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
SwLedOff(padapter, pLed);
}
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
SwLedOn(padapter, pLed);
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
SwLedOff(padapter, pLed);
}
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
default:
break;
}
}
static void SwLedBlink3(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
if (pLed->CurrLedState != LED_BLINK_WPS_STOP)
SwLedOff(padapter, pLed);
switch (pLed->CurrLedState) {
case LED_SCAN_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (!pLed->bLedOn)
SwLedOn(padapter, pLed);
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedOn)
SwLedOff(padapter, pLed);
}
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (!pLed->bLedOn)
SwLedOn(padapter, pLed);
} else if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedOn)
SwLedOff(padapter, pLed);
}
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_BLINK_WPS:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
break;
case LED_BLINK_WPS_STOP: /*WPS success*/
if (pLed->BlinkingLedState == LED_STATE_ON) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
bStopBlinking = false;
} else {
bStopBlinking = true;
}
if (bStopBlinking) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
SwLedOn(padapter, pLed);
pLed->bLedWPSBlinkInProgress = false;
}
break;
default:
break;
}
}
static void SwLedBlink4(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
struct led_priv *ledpriv = &padapter->ledpriv;
struct LED_871x *pLed1 = &ledpriv->SwLed1;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
if (!pLed1->bLedWPSBlinkInProgress &&
pLed1->BlinkingLedState == LED_UNKNOWN) {
pLed1->BlinkingLedState = LED_STATE_OFF;
pLed1->CurrLedState = LED_STATE_OFF;
SwLedOff(padapter, pLed1);
}
switch (pLed->CurrLedState) {
case LED_BLINK_SLOWLY:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
break;
case LED_BLINK_StartToBlink:
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
}
break;
case LED_SCAN_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_BLINK_WPS:
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
}
break;
case LED_BLINK_WPS_STOP: /*WPS authentication fail*/
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
break;
case LED_BLINK_WPS_STOP_OVERLAP: /*WPS session overlap */
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0) {
if (pLed->bLedOn)
pLed->BlinkTimes = 1;
else
bStopBlinking = true;
}
if (bStopBlinking) {
pLed->BlinkTimes = 10;
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
}
break;
default:
break;
}
}
static void SwLedBlink5(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
switch (pLed->CurrLedState) {
case LED_SCAN_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (!pLed->bLedOn)
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
pLed->bLedScanBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (!pLed->bLedOn)
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
default:
break;
}
}
static void SwLedBlink6(struct LED_871x *pLed)
{
struct _adapter *padapter = pLed->padapter;
u8 bStopBlinking = false;
/* Change LED according to BlinkingLedState specified. */
if (pLed->BlinkingLedState == LED_STATE_ON)
SwLedOn(padapter, pLed);
else
SwLedOff(padapter, pLed);
switch (pLed->CurrLedState) {
case LED_TXRX_BLINK:
pLed->BlinkTimes--;
if (pLed->BlinkTimes == 0)
bStopBlinking = true;
if (bStopBlinking) {
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (!pLed->bLedOn)
SwLedOn(padapter, pLed);
pLed->bLedBlinkInProgress = false;
} else {
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_BLINK_WPS:
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
break;
default:
break;
}
}
/* Description:
* Callback function of LED BlinkTimer,
* it just schedules to corresponding BlinkWorkItem.
*/
static void BlinkTimerCallback(struct timer_list *t)
{
struct LED_871x *pLed = from_timer(pLed, t, BlinkTimer);
/* This fixed the crash problem on Fedora 12 when trying to do the
* insmod;ifconfig up;rmmod commands.
*/
if (pLed->padapter->surprise_removed || pLed->padapter->driver_stopped)
return;
schedule_work(&pLed->BlinkWorkItem);
}
/* Description:
* Callback function of LED BlinkWorkItem.
* We dispatch actual LED blink action according to LedStrategy.
*/
static void BlinkWorkItemCallback(struct work_struct *work)
{
struct LED_871x *pLed = container_of(work, struct LED_871x,
BlinkWorkItem);
struct led_priv *ledpriv = &pLed->padapter->ledpriv;
switch (ledpriv->LedStrategy) {
case SW_LED_MODE0:
SwLedBlink(pLed);
break;
case SW_LED_MODE1:
SwLedBlink1(pLed);
break;
case SW_LED_MODE2:
SwLedBlink2(pLed);
break;
case SW_LED_MODE3:
SwLedBlink3(pLed);
break;
case SW_LED_MODE4:
SwLedBlink4(pLed);
break;
case SW_LED_MODE5:
SwLedBlink5(pLed);
break;
case SW_LED_MODE6:
SwLedBlink6(pLed);
break;
default:
SwLedBlink(pLed);
break;
}
}
/*============================================================================
* Default LED behavior.
*============================================================================
*
* Description:
* Implement each led action for SW_LED_MODE0.
* This is default strategy.
*/
static void SwLedControlMode1(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
if (padapter->eeprompriv.CustomerID == RT_CID_819x_CAMEO)
pLed = &ledpriv->SwLed1;
switch (LedAction) {
case LED_CTL_START_TO_LINK:
case LED_CTL_NO_LINK:
if (!pLed->bLedNoLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
}
break;
case LED_CTL_LINK:
if (!pLed->bLedLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_NORMAL;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_LINK_INTERVAL_ALPHA));
}
break;
case LED_CTL_SITE_SURVEY:
if (psitesurveyctrl->traffic_busy &&
check_fwstate(pmlmepriv, _FW_LINKED))
; /* dummy branch */
else if (!pLed->bLedScanBlinkInProgress) {
if (IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_SCAN_BLINK;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_START_WPS: /*wait until xinpin finish */
case LED_CTL_START_WPS_BOTTON:
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_STOP_WPS:
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress)
del_timer(&pLed->BlinkTimer);
else
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS_STOP;
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
break;
case LED_CTL_STOP_WPS_FAIL:
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
default:
break;
}
}
static void SwLedControlMode2(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
switch (LedAction) {
case LED_CTL_SITE_SURVEY:
if (pmlmepriv->sitesurveyctrl.traffic_busy)
; /* dummy branch */
else if (!pLed->bLedScanBlinkInProgress) {
if (IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_SCAN_BLINK;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_LINK:
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_START_WPS: /*wait until xinpin finish*/
case LED_CTL_START_WPS_BOTTON:
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
break;
case LED_CTL_STOP_WPS:
pLed->bLedWPSBlinkInProgress = false;
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_STOP_WPS_FAIL:
pLed->bLedWPSBlinkInProgress = false;
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_START_TO_LINK:
case LED_CTL_NO_LINK:
if (!IS_LED_BLINKING(pLed)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
default:
break;
}
}
static void SwLedControlMode3(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
switch (LedAction) {
case LED_CTL_SITE_SURVEY:
if (pmlmepriv->sitesurveyctrl.traffic_busy)
; /* dummy branch */
else if (!pLed->bLedScanBlinkInProgress) {
if (IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_SCAN_BLINK;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_LINK:
if (IS_LED_WPS_BLINKING(pLed))
return;
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_START_WPS: /* wait until xinpin finish */
case LED_CTL_START_WPS_BOTTON:
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_STOP_WPS:
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
} else {
pLed->bLedWPSBlinkInProgress = true;
}
pLed->CurrLedState = LED_BLINK_WPS_STOP;
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_WPS_SUCCESS_INTERVAL_ALPHA));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
break;
case LED_CTL_STOP_WPS_FAIL:
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_START_TO_LINK:
case LED_CTL_NO_LINK:
if (!IS_LED_BLINKING(pLed)) {
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
default:
break;
}
}
static void SwLedControlMode4(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
struct LED_871x *pLed1 = &ledpriv->SwLed1;
switch (LedAction) {
case LED_CTL_START_TO_LINK:
if (pLed1->bLedWPSBlinkInProgress) {
pLed1->bLedWPSBlinkInProgress = false;
del_timer(&pLed1->BlinkTimer);
pLed1->BlinkingLedState = LED_STATE_OFF;
pLed1->CurrLedState = LED_STATE_OFF;
if (pLed1->bLedOn)
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
if (!pLed->bLedStartToLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
pLed->bLedStartToLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_StartToBlink;
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
}
}
break;
case LED_CTL_LINK:
case LED_CTL_NO_LINK:
/*LED1 settings*/
if (LedAction == LED_CTL_LINK) {
if (pLed1->bLedWPSBlinkInProgress) {
pLed1->bLedWPSBlinkInProgress = false;
del_timer(&pLed1->BlinkTimer);
pLed1->BlinkingLedState = LED_STATE_OFF;
pLed1->CurrLedState = LED_STATE_OFF;
if (pLed1->bLedOn)
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
}
if (!pLed->bLedNoLinkBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
}
break;
case LED_CTL_SITE_SURVEY:
if (pmlmepriv->sitesurveyctrl.traffic_busy &&
check_fwstate(pmlmepriv, _FW_LINKED))
;
else if (!pLed->bLedScanBlinkInProgress) {
if (IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_SCAN_BLINK;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK ||
IS_LED_WPS_BLINKING(pLed))
return;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_START_WPS: /*wait until xinpin finish*/
case LED_CTL_START_WPS_BOTTON:
if (pLed1->bLedWPSBlinkInProgress) {
pLed1->bLedWPSBlinkInProgress = false;
del_timer(&pLed1->BlinkTimer);
pLed1->BlinkingLedState = LED_STATE_OFF;
pLed1->CurrLedState = LED_STATE_OFF;
if (pLed1->bLedOn)
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
}
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS;
if (pLed->bLedOn) {
pLed->BlinkingLedState = LED_STATE_OFF;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SLOWLY_INTERVAL));
} else {
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
}
}
break;
case LED_CTL_STOP_WPS: /*WPS connect success*/
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
break;
case LED_CTL_STOP_WPS_FAIL: /*WPS authentication fail*/
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
/*LED1 settings*/
if (pLed1->bLedWPSBlinkInProgress)
del_timer(&pLed1->BlinkTimer);
else
pLed1->bLedWPSBlinkInProgress = true;
pLed1->CurrLedState = LED_BLINK_WPS_STOP;
if (pLed1->bLedOn)
pLed1->BlinkingLedState = LED_STATE_OFF;
else
pLed1->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
break;
case LED_CTL_STOP_WPS_FAIL_OVERLAP: /*WPS session overlap*/
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->bLedNoLinkBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_SLOWLY;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NO_LINK_INTERVAL_ALPHA));
/*LED1 settings*/
if (pLed1->bLedWPSBlinkInProgress)
del_timer(&pLed1->BlinkTimer);
else
pLed1->bLedWPSBlinkInProgress = true;
pLed1->CurrLedState = LED_BLINK_WPS_STOP_OVERLAP;
pLed1->BlinkTimes = 10;
if (pLed1->bLedOn)
pLed1->BlinkingLedState = LED_STATE_OFF;
else
pLed1->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_NORMAL_INTERVAL));
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedNoLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedNoLinkBlinkInProgress = false;
}
if (pLed->bLedLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedLinkBlinkInProgress = false;
}
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
if (pLed->bLedScanBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedScanBlinkInProgress = false;
}
if (pLed->bLedStartToLinkBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedStartToLinkBlinkInProgress = false;
}
if (pLed1->bLedWPSBlinkInProgress) {
del_timer(&pLed1->BlinkTimer);
pLed1->bLedWPSBlinkInProgress = false;
}
pLed1->BlinkingLedState = LED_UNKNOWN;
SwLedOff(padapter, pLed);
SwLedOff(padapter, pLed1);
break;
default:
break;
}
}
static void SwLedControlMode5(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
if (padapter->eeprompriv.CustomerID == RT_CID_819x_CAMEO)
pLed = &ledpriv->SwLed1;
switch (LedAction) {
case LED_CTL_POWER_ON:
case LED_CTL_NO_LINK:
case LED_CTL_LINK: /* solid blue */
if (pLed->CurrLedState == LED_SCAN_BLINK)
return;
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
pLed->bLedBlinkInProgress = false;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_SITE_SURVEY:
if (pmlmepriv->sitesurveyctrl.traffic_busy &&
check_fwstate(pmlmepriv, _FW_LINKED))
; /* dummy branch */
else if (!pLed->bLedScanBlinkInProgress) {
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedScanBlinkInProgress = true;
pLed->CurrLedState = LED_SCAN_BLINK;
pLed->BlinkTimes = 24;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress) {
if (pLed->CurrLedState == LED_SCAN_BLINK)
return;
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
SwLedOff(padapter, pLed);
break;
default:
break;
}
}
static void SwLedControlMode6(struct _adapter *padapter,
enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct LED_871x *pLed = &ledpriv->SwLed0;
switch (LedAction) {
case LED_CTL_POWER_ON:
case LED_CTL_NO_LINK:
case LED_CTL_LINK: /*solid blue*/
case LED_CTL_SITE_SURVEY:
if (IS_LED_WPS_BLINKING(pLed))
return;
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
pLed->bLedBlinkInProgress = false;
mod_timer(&pLed->BlinkTimer, jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_TX:
case LED_CTL_RX:
if (!pLed->bLedBlinkInProgress &&
check_fwstate(pmlmepriv, _FW_LINKED)) {
if (IS_LED_WPS_BLINKING(pLed))
return;
pLed->bLedBlinkInProgress = true;
pLed->CurrLedState = LED_TXRX_BLINK;
pLed->BlinkTimes = 2;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_FASTER_INTERVAL_ALPHA));
}
break;
case LED_CTL_START_WPS: /*wait until xinpin finish*/
case LED_CTL_START_WPS_BOTTON:
if (!pLed->bLedWPSBlinkInProgress) {
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
pLed->bLedWPSBlinkInProgress = true;
pLed->CurrLedState = LED_BLINK_WPS;
if (pLed->bLedOn)
pLed->BlinkingLedState = LED_STATE_OFF;
else
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer, jiffies +
msecs_to_jiffies(LED_BLINK_SCAN_INTERVAL_ALPHA));
}
break;
case LED_CTL_STOP_WPS_FAIL:
case LED_CTL_STOP_WPS:
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
pLed->CurrLedState = LED_STATE_ON;
pLed->BlinkingLedState = LED_STATE_ON;
mod_timer(&pLed->BlinkTimer,
jiffies + msecs_to_jiffies(0));
break;
case LED_CTL_POWER_OFF:
pLed->CurrLedState = LED_STATE_OFF;
pLed->BlinkingLedState = LED_STATE_OFF;
if (pLed->bLedBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedBlinkInProgress = false;
}
if (pLed->bLedWPSBlinkInProgress) {
del_timer(&pLed->BlinkTimer);
pLed->bLedWPSBlinkInProgress = false;
}
SwLedOff(padapter, pLed);
break;
default:
break;
}
}
/* Description:
* Dispatch LED action according to pHalData->LedStrategy.
*/
void LedControl871x(struct _adapter *padapter, enum LED_CTL_MODE LedAction)
{
struct led_priv *ledpriv = &padapter->ledpriv;
if (!ledpriv->bRegUseLed)
return;
switch (ledpriv->LedStrategy) {
case SW_LED_MODE0:
break;
case SW_LED_MODE1:
SwLedControlMode1(padapter, LedAction);
break;
case SW_LED_MODE2:
SwLedControlMode2(padapter, LedAction);
break;
case SW_LED_MODE3:
SwLedControlMode3(padapter, LedAction);
break;
case SW_LED_MODE4:
SwLedControlMode4(padapter, LedAction);
break;
case SW_LED_MODE5:
SwLedControlMode5(padapter, LedAction);
break;
case SW_LED_MODE6:
SwLedControlMode6(padapter, LedAction);
break;
default:
break;
}
}
void r8712_flush_led_works(struct _adapter *padapter)
{
struct led_priv *pledpriv = &padapter->ledpriv;
flush_work(&pledpriv->SwLed0.BlinkWorkItem);
flush_work(&pledpriv->SwLed1.BlinkWorkItem);
}
| linux-master | drivers/staging/rtl8712/rtl8712_led.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_ioctl_rtl.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_IOCTL_RTL_C_
#include <linux/rndis.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "wlan_bssdef.h"
#include "wifi.h"
#include "rtl871x_ioctl.h"
#include "rtl871x_ioctl_set.h"
#include "rtl871x_ioctl_rtl.h"
#include "mp_custom_oid.h"
#include "rtl871x_mp.h"
#include "rtl871x_mp_ioctl.h"
uint oid_rt_get_signal_quality_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_small_packet_crc_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->recvpriv.rx_smallpacket_crcerr;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_middle_packet_crc_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->recvpriv.rx_middlepacket_crcerr;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_large_packet_crc_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->recvpriv.rx_largepacket_crcerr;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_tx_retry_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_rx_retry_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_rx_total_packet_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->recvpriv.rx_pkts +
padapter->recvpriv.rx_drop;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_tx_beacon_ok_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_tx_beacon_err_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_rx_icv_err_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(uint *)poid_par_priv->information_buf =
padapter->recvpriv.rx_icv_err;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_encryption_algorithm_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_preamble_mode_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
u32 preamblemode = 0;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
if (padapter->registrypriv.preamble == PREAMBLE_LONG)
preamblemode = 0;
else if (padapter->registrypriv.preamble == PREAMBLE_AUTO)
preamblemode = 1;
else if (padapter->registrypriv.preamble == PREAMBLE_SHORT)
preamblemode = 2;
*(u32 *)poid_par_priv->information_buf = preamblemode;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_ap_ip_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_channelplan_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
struct eeprom_priv *peeprompriv = &padapter->eeprompriv;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
*(u16 *)poid_par_priv->information_buf = peeprompriv->channel_plan;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_channelplan_hdl(struct oid_par_priv
*poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
struct eeprom_priv *peeprompriv = &padapter->eeprompriv;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
peeprompriv->channel_plan = *(u16 *)poid_par_priv->information_buf;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_preamble_mode_hdl(struct oid_par_priv
*poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
u32 preamblemode = 0;
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
preamblemode = *(u32 *)poid_par_priv->information_buf;
if (preamblemode == 0)
padapter->registrypriv.preamble = PREAMBLE_LONG;
else if (preamblemode == 1)
padapter->registrypriv.preamble = PREAMBLE_AUTO;
else if (preamblemode == 2)
padapter->registrypriv.preamble = PREAMBLE_SHORT;
*(u32 *)poid_par_priv->information_buf = preamblemode;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_bcn_intvl_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_dedicate_probe_hdl(struct oid_par_priv
*poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_total_tx_bytes_hdl(struct oid_par_priv
*poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->xmitpriv.tx_bytes;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_total_rx_bytes_hdl(struct oid_par_priv
*poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
*(u32 *)poid_par_priv->information_buf =
padapter->recvpriv.rx_bytes;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_current_tx_power_level_hdl(struct oid_par_priv
*poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_enc_key_mismatch_count_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_enc_key_match_count_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_channel_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct NDIS_802_11_CONFIGURATION *pnic_Config;
u32 channelnum;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (check_fwstate(pmlmepriv, _FW_LINKED) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE))
pnic_Config = &pmlmepriv->cur_network.network.Configuration;
else
pnic_Config = &padapter->registrypriv.dev_network.Configuration;
channelnum = pnic_Config->DSConfig;
*(u32 *)poid_par_priv->information_buf = channelnum;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_hardware_radio_off_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_key_mismatch_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_supported_wireless_mode_hdl(struct oid_par_priv
*poid_par_priv)
{
u32 ulInfo = 0;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len >= sizeof(u32)) {
ulInfo |= 0x0100; /* WIRELESS_MODE_B */
ulInfo |= 0x0200; /* WIRELESS_MODE_G */
ulInfo |= 0x0400; /* WIRELESS_MODE_A */
*(u32 *) poid_par_priv->information_buf = ulInfo;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
} else {
return RNDIS_STATUS_INVALID_LENGTH;
}
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_channel_list_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_scan_in_progress_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_forced_data_rate_hdl(struct oid_par_priv *poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_wireless_mode_for_scan_list_hdl(struct oid_par_priv
*poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_get_bss_wireless_mode_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_scan_with_magic_packet_hdl(struct oid_par_priv
*poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_ap_get_associated_station_list_hdl(struct oid_par_priv
*poid_par_priv)
{
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_ap_switch_into_ap_mode_hdl(struct oid_par_priv*
poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_ap_supported_hdl(struct oid_par_priv *poid_par_priv)
{
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_ap_set_passphrase_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_pro_rf_write_registry_hdl(struct oid_par_priv*
poid_par_priv)
{
uint status = RNDIS_STATUS_SUCCESS;
struct _adapter *Adapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != SET_OID) /* QUERY_OID */
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len ==
(sizeof(unsigned long) * 3)) {
if (r8712_setrfreg_cmd(Adapter,
*(unsigned char *)poid_par_priv->information_buf,
(unsigned long)(*((unsigned long *)
poid_par_priv->information_buf + 2))))
status = RNDIS_STATUS_NOT_ACCEPTED;
} else {
status = RNDIS_STATUS_INVALID_LENGTH;
}
return status;
}
uint oid_rt_pro_rf_read_registry_hdl(struct oid_par_priv *poid_par_priv)
{
uint status = RNDIS_STATUS_SUCCESS;
struct _adapter *Adapter = poid_par_priv->adapter_context;
if (poid_par_priv->type_of_oid != SET_OID) /* QUERY_OID */
return RNDIS_STATUS_NOT_ACCEPTED;
if (poid_par_priv->information_buf_len == (sizeof(unsigned long) *
3)) {
if (Adapter->mppriv.act_in_progress) {
status = RNDIS_STATUS_NOT_ACCEPTED;
} else {
/* init workparam */
Adapter->mppriv.act_in_progress = true;
Adapter->mppriv.workparam.bcompleted = false;
Adapter->mppriv.workparam.act_type = MPT_READ_RF;
Adapter->mppriv.workparam.io_offset = *(unsigned long *)
poid_par_priv->information_buf;
Adapter->mppriv.workparam.io_value = 0xcccccccc;
/* RegOffsetValue - The offset of RF register to read.
* RegDataWidth - The data width of RF register to read.
* RegDataValue - The value to read.
* RegOffsetValue = *((unsigned long *)InformationBuffer);
* RegDataWidth = *((unsigned long *)InformationBuffer+1);
* RegDataValue = *((unsigned long *)InformationBuffer+2);
*/
if (r8712_getrfreg_cmd(Adapter,
*(unsigned char *)poid_par_priv->information_buf,
(unsigned char *)&Adapter->mppriv.workparam.io_value
))
status = RNDIS_STATUS_NOT_ACCEPTED;
}
} else {
status = RNDIS_STATUS_INVALID_LENGTH;
}
return status;
}
enum _CONNECT_STATE_ {
CHECKINGSTATUS,
ASSOCIATED,
ADHOCMODE,
NOTASSOCIATED
};
uint oid_rt_get_connect_state_hdl(struct oid_par_priv *poid_par_priv)
{
struct _adapter *padapter = poid_par_priv->adapter_context;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
u32 ulInfo;
if (poid_par_priv->type_of_oid != QUERY_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
/* nStatus==0 CheckingStatus
* nStatus==1 Associated
* nStatus==2 AdHocMode
* nStatus==3 NotAssociated
*/
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
ulInfo = CHECKINGSTATUS;
else if (check_fwstate(pmlmepriv, _FW_LINKED))
ulInfo = ASSOCIATED;
else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))
ulInfo = ADHOCMODE;
else
ulInfo = NOTASSOCIATED;
*(u32 *)poid_par_priv->information_buf = ulInfo;
*poid_par_priv->bytes_rw = poid_par_priv->information_buf_len;
return RNDIS_STATUS_SUCCESS;
}
uint oid_rt_set_default_key_id_hdl(struct oid_par_priv *poid_par_priv)
{
if (poid_par_priv->type_of_oid != SET_OID)
return RNDIS_STATUS_NOT_ACCEPTED;
return RNDIS_STATUS_SUCCESS;
}
| linux-master | drivers/staging/rtl8712/rtl871x_ioctl_rtl.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl8712_xmit.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL8712_XMIT_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include "osdep_intf.h"
#include "usb_ops.h"
static void dump_xframe(struct _adapter *padapter,
struct xmit_frame *pxmitframe);
static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz);
sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag)
{
phw_txqueue->ac_tag = ac_tag;
switch (ac_tag) {
case BE_QUEUE_INX:
phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ;
break;
case BK_QUEUE_INX:
phw_txqueue->ff_hwaddr = RTL8712_DMA_BKQ;
break;
case VI_QUEUE_INX:
phw_txqueue->ff_hwaddr = RTL8712_DMA_VIQ;
break;
case VO_QUEUE_INX:
phw_txqueue->ff_hwaddr = RTL8712_DMA_VOQ;
break;
case BMC_QUEUE_INX:
phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ;
break;
}
return _SUCCESS;
}
int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
struct pkt_attrib *pattrib)
{
struct sta_info *psta;
struct tx_servq *ptxservq;
int priority = pattrib->priority;
psta = pattrib->psta;
switch (priority) {
case 1:
case 2:
ptxservq = &psta->sta_xmitpriv.bk_q;
break;
case 4:
case 5:
ptxservq = &psta->sta_xmitpriv.vi_q;
break;
case 6:
case 7:
ptxservq = &psta->sta_xmitpriv.vo_q;
break;
case 0:
case 3:
default:
ptxservq = &psta->sta_xmitpriv.be_q;
break;
}
return ptxservq->qcnt;
}
static u32 get_ff_hwaddr(struct xmit_frame *pxmitframe)
{
u32 addr = 0;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct _adapter *padapter = pxmitframe->padapter;
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
if (pxmitframe->frame_tag == TXAGG_FRAMETAG) {
addr = RTL8712_DMA_H2CCMD;
} else if (pxmitframe->frame_tag == MGNT_FRAMETAG) {
addr = RTL8712_DMA_MGTQ;
} else if (pdvobj->nr_endpoint == 6) {
switch (pattrib->priority) {
case 0:
case 3:
addr = RTL8712_DMA_BEQ;
break;
case 1:
case 2:
addr = RTL8712_DMA_BKQ;
break;
case 4:
case 5:
addr = RTL8712_DMA_VIQ;
break;
case 6:
case 7:
addr = RTL8712_DMA_VOQ;
break;
case 0x10:
case 0x11:
case 0x12:
case 0x13:
addr = RTL8712_DMA_H2CCMD;
break;
default:
addr = RTL8712_DMA_BEQ;
break;
}
} else if (pdvobj->nr_endpoint == 4) {
switch (pattrib->qsel) {
case 0:
case 3:
case 1:
case 2:
addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/
break;
case 4:
case 5:
case 6:
case 7:
addr = RTL8712_DMA_VOQ;/*RTL8712_EP_HI;*/
break;
case 0x10:
case 0x11:
case 0x12:
case 0x13:
addr = RTL8712_DMA_H2CCMD;
break;
default:
addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/
break;
}
}
return addr;
}
static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv,
struct hw_xmit *phwxmit,
struct tx_servq *ptxservq,
struct __queue *pframe_queue)
{
struct list_head *xmitframe_plist, *xmitframe_phead;
struct xmit_frame *pxmitframe = NULL;
xmitframe_phead = &pframe_queue->queue;
xmitframe_plist = xmitframe_phead->next;
if (!end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
pxmitframe = container_of(xmitframe_plist,
struct xmit_frame, list);
list_del_init(&pxmitframe->list);
ptxservq->qcnt--;
phwxmit->txcmdcnt++;
}
return pxmitframe;
}
static struct xmit_frame *dequeue_xframe_ex(struct xmit_priv *pxmitpriv,
struct hw_xmit *phwxmit_i, sint entry)
{
unsigned long irqL0;
struct list_head *sta_plist, *sta_phead;
struct hw_xmit *phwxmit;
struct tx_servq *ptxservq = NULL;
struct __queue *pframe_queue = NULL;
struct xmit_frame *pxmitframe = NULL;
int i, inx[4];
int j, acirp_cnt[4];
/*entry indx: 0->vo, 1->vi, 2->be, 3->bk.*/
inx[0] = 0; acirp_cnt[0] = pxmitpriv->voq_cnt;
inx[1] = 1; acirp_cnt[1] = pxmitpriv->viq_cnt;
inx[2] = 2; acirp_cnt[2] = pxmitpriv->beq_cnt;
inx[3] = 3; acirp_cnt[3] = pxmitpriv->bkq_cnt;
for (i = 0; i < 4; i++) {
for (j = i + 1; j < 4; j++) {
if (acirp_cnt[j] < acirp_cnt[i]) {
swap(acirp_cnt[i], acirp_cnt[j]);
swap(inx[i], inx[j]);
}
}
}
spin_lock_irqsave(&pxmitpriv->lock, irqL0);
for (i = 0; i < entry; i++) {
phwxmit = phwxmit_i + inx[i];
sta_phead = &phwxmit->sta_queue->queue;
sta_plist = sta_phead->next;
while (!end_of_queue_search(sta_phead, sta_plist)) {
ptxservq = container_of(sta_plist, struct tx_servq,
tx_pending);
pframe_queue = &ptxservq->sta_pending;
pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit,
ptxservq, pframe_queue);
if (pxmitframe) {
phwxmit->accnt--;
goto exit_dequeue_xframe_ex;
}
sta_plist = sta_plist->next;
/*Remove sta node when there are no pending packets.*/
if (list_empty(&pframe_queue->queue)) {
/* must be done after sta_plist->next
* and before break
*/
list_del_init(&ptxservq->tx_pending);
}
}
}
exit_dequeue_xframe_ex:
spin_unlock_irqrestore(&pxmitpriv->lock, irqL0);
return pxmitframe;
}
void r8712_do_queue_select(struct _adapter *padapter,
struct pkt_attrib *pattrib)
{
unsigned int qsel = 0;
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
if (pdvobj->nr_endpoint == 6) {
qsel = (unsigned int)pattrib->priority;
} else if (pdvobj->nr_endpoint == 4) {
qsel = (unsigned int)pattrib->priority;
if (qsel == 0 || qsel == 3)
qsel = 3;
else if (qsel == 1 || qsel == 2)
qsel = 1;
else if (qsel == 4 || qsel == 5)
qsel = 5;
else if (qsel == 6 || qsel == 7)
qsel = 7;
else
qsel = 3;
}
pattrib->qsel = qsel;
}
#ifdef CONFIG_R8712_TX_AGGR
void r8712_construct_txaggr_cmd_desc(struct xmit_buf *pxmitbuf)
{
struct tx_desc *ptx_desc = (struct tx_desc *)pxmitbuf->pbuf;
/* Fill up TxCmd Descriptor according as USB FW Tx Aaggregation info.*/
/* dw0 */
ptx_desc->txdw0 = cpu_to_le32(CMD_HDR_SZ & 0xffff);
ptx_desc->txdw0 |=
cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) &
0x00ff0000);
ptx_desc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
/* dw1 */
ptx_desc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) & 0x00001f00);
}
void r8712_construct_txaggr_cmd_hdr(struct xmit_buf *pxmitbuf)
{
struct xmit_frame *pxmitframe = (struct xmit_frame *)
pxmitbuf->priv_data;
struct _adapter *padapter = pxmitframe->padapter;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct cmd_hdr *pcmd_hdr = (struct cmd_hdr *)
(pxmitbuf->pbuf + TXDESC_SIZE);
/* Fill up Cmd Header for USB FW Tx Aggregation.*/
/* dw0 */
pcmd_hdr->cmd_dw0 = cpu_to_le32((GEN_CMD_CODE(_AMSDU_TO_AMPDU) << 16) |
(pcmdpriv->cmd_seq << 24));
pcmdpriv->cmd_seq++;
}
void r8712_append_mpdu_unit(struct xmit_buf *pxmitbuf,
struct xmit_frame *pxmitframe)
{
struct _adapter *padapter = pxmitframe->padapter;
struct tx_desc *ptx_desc = (struct tx_desc *)pxmitbuf->pbuf;
int last_txcmdsz = 0;
int padding_sz = 0;
/* 802.3->802.11 converter */
r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
/* free skb struct */
r8712_xmit_complete(padapter, pxmitframe);
if (pxmitframe->attrib.ether_type != 0x0806) {
if ((pxmitframe->attrib.ether_type != 0x888e) &&
(pxmitframe->attrib.dhcp_pkt != 1)) {
r8712_issue_addbareq_cmd(padapter,
pxmitframe->attrib.priority);
}
}
pxmitframe->last[0] = 1;
update_txdesc(pxmitframe, (uint *)(pxmitframe->buf_addr),
pxmitframe->attrib.last_txcmdsz);
/*padding zero */
last_txcmdsz = pxmitframe->attrib.last_txcmdsz;
padding_sz = (8 - (last_txcmdsz % 8));
if ((last_txcmdsz % 8) != 0) {
int i;
for (i = 0; i < padding_sz; i++)
*(pxmitframe->buf_addr + TXDESC_SIZE + last_txcmdsz +
i) = 0;
}
/* Add the new mpdu's length */
ptx_desc->txdw0 = cpu_to_le32((ptx_desc->txdw0 & 0xffff0000) |
((ptx_desc->txdw0 & 0x0000ffff) +
((TXDESC_SIZE + last_txcmdsz + padding_sz) &
0x0000ffff)));
}
void r8712_xmitframe_aggr_1st(struct xmit_buf *pxmitbuf,
struct xmit_frame *pxmitframe)
{
/* linux complete context doesn't need to protect */
pxmitframe->pxmitbuf = pxmitbuf;
pxmitbuf->priv_data = pxmitframe;
pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0];
/* buffer addr assoc */
pxmitframe->buf_addr = pxmitbuf->pbuf + TXDESC_SIZE + CMD_HDR_SZ;
/*RTL8712_DMA_H2CCMD */
r8712_construct_txaggr_cmd_desc(pxmitbuf);
r8712_construct_txaggr_cmd_hdr(pxmitbuf);
r8712_append_mpdu_unit(pxmitbuf, pxmitframe);
pxmitbuf->aggr_nr = 1;
}
u16 r8712_xmitframe_aggr_next(struct xmit_buf *pxmitbuf,
struct xmit_frame *pxmitframe)
{
pxmitframe->pxmitbuf = pxmitbuf;
pxmitbuf->priv_data = pxmitframe;
pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0];
/* buffer addr assoc */
pxmitframe->buf_addr = pxmitbuf->pbuf + TXDESC_SIZE +
(((struct tx_desc *)pxmitbuf->pbuf)->txdw0 & 0x0000ffff);
r8712_append_mpdu_unit(pxmitbuf, pxmitframe);
r8712_free_xmitframe_ex(&pxmitframe->padapter->xmitpriv,
pxmitframe);
pxmitbuf->aggr_nr++;
return TXDESC_SIZE +
(((struct tx_desc *)pxmitbuf->pbuf)->txdw0 & 0x0000ffff);
}
void r8712_dump_aggr_xframe(struct xmit_buf *pxmitbuf,
struct xmit_frame *pxmitframe)
{
struct _adapter *padapter = pxmitframe->padapter;
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
struct tx_desc *ptxdesc = pxmitbuf->pbuf;
struct cmd_hdr *pcmd_hdr = (struct cmd_hdr *)
(pxmitbuf->pbuf + TXDESC_SIZE);
u16 total_length = (u16)(ptxdesc->txdw0 & 0xffff);
/* use 1st xmitframe as media */
xmitframe_xmitbuf_attach(pxmitframe, pxmitbuf);
pcmd_hdr->cmd_dw0 = cpu_to_le32(((total_length - CMD_HDR_SZ) &
0x0000ffff) | (pcmd_hdr->cmd_dw0 &
0xffff0000));
/* urb length in cmd_dw1 */
pcmd_hdr->cmd_dw1 = cpu_to_le32((pxmitbuf->aggr_nr & 0xff) |
((total_length + TXDESC_SIZE) << 16));
pxmitframe->last[0] = 1;
pxmitframe->bpending[0] = false;
pxmitframe->mem_addr = pxmitbuf->pbuf;
if ((pdvobj->ishighspeed && ((total_length + TXDESC_SIZE) % 0x200) ==
0) || ((!pdvobj->ishighspeed && ((total_length + TXDESC_SIZE) %
0x40) == 0))) {
ptxdesc->txdw0 |= cpu_to_le32
(((TXDESC_SIZE + OFFSET_SZ + 8) << OFFSET_SHT) &
0x00ff0000);
/*32 bytes for TX Desc + 8 bytes pending*/
} else {
ptxdesc->txdw0 |= cpu_to_le32
(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) &
0x00ff0000);
/*default = 32 bytes for TX Desc*/
}
r8712_write_port(pxmitframe->padapter, RTL8712_DMA_H2CCMD,
total_length + TXDESC_SIZE, (u8 *)pxmitframe);
}
#endif
static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz)
{
uint qsel;
struct _adapter *padapter = pxmitframe->padapter;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct tx_desc *ptxdesc = (struct tx_desc *)pmem;
struct dvobj_priv *pdvobj = &padapter->dvobjpriv;
#ifdef CONFIG_R8712_TX_AGGR
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
#endif
u8 blnSetTxDescOffset;
bool bmcst = is_multicast_ether_addr(pattrib->ra);
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
struct tx_desc txdesc_mp;
memcpy(&txdesc_mp, ptxdesc, sizeof(struct tx_desc));
memset(ptxdesc, 0, sizeof(struct tx_desc));
/* offset 0 */
ptxdesc->txdw0 |= cpu_to_le32(sz & 0x0000ffff);
if (pdvobj->ishighspeed) {
if (((sz + TXDESC_SIZE) % 512) == 0)
blnSetTxDescOffset = 1;
else
blnSetTxDescOffset = 0;
} else {
if (((sz + TXDESC_SIZE) % 64) == 0)
blnSetTxDescOffset = 1;
else
blnSetTxDescOffset = 0;
}
if (blnSetTxDescOffset) {
/* 32 bytes for TX Desc + 8 bytes pending */
ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ + 8) <<
OFFSET_SHT) & 0x00ff0000);
} else {
/* default = 32 bytes for TX Desc */
ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) <<
OFFSET_SHT) & 0x00ff0000);
}
ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
if (pxmitframe->frame_tag == DATA_FRAMETAG) {
/* offset 4 */
ptxdesc->txdw1 |= cpu_to_le32((pattrib->mac_id) & 0x1f);
#ifdef CONFIG_R8712_TX_AGGR
/* dirty workaround, need to check if it is aggr cmd. */
if ((u8 *)pmem != (u8 *)pxmitframe->pxmitbuf->pbuf) {
ptxdesc->txdw0 |= cpu_to_le32
((0x3 << TYPE_SHT) & TYPE_MSK);
qsel = (uint)(pattrib->qsel & 0x0000001f);
if (qsel == 2)
qsel = 0;
ptxdesc->txdw1 |= cpu_to_le32
((qsel << QSEL_SHT) & 0x00001f00);
ptxdesc->txdw2 = cpu_to_le32
((qsel << RTS_RC_SHT) & 0x001f0000);
ptxdesc->txdw6 |= cpu_to_le32
((0x5 << RSVD6_SHT) & RSVD6_MSK);
} else {
ptxdesc->txdw0 |= cpu_to_le32
((0x3 << TYPE_SHT) & TYPE_MSK);
ptxdesc->txdw1 |= cpu_to_le32
((0x13 << QSEL_SHT) & 0x00001f00);
qsel = (uint)(pattrib->qsel & 0x0000001f);
if (qsel == 2)
qsel = 0;
ptxdesc->txdw2 = cpu_to_le32
((qsel << RTS_RC_SHT) & 0x0001f000);
ptxdesc->txdw7 |= cpu_to_le32
(pcmdpriv->cmd_seq << 24);
pcmdpriv->cmd_seq++;
}
pattrib->qsel = 0x13;
#else
qsel = (uint)(pattrib->qsel & 0x0000001f);
ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
#endif
if (!pqospriv->qos_option)
ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/*Non-QoS*/
if ((pattrib->encrypt > 0) && !pattrib->bswenc) {
switch (pattrib->encrypt) { /*SEC_TYPE*/
case _WEP40_:
case _WEP104_:
ptxdesc->txdw1 |= cpu_to_le32((0x01 << 22) &
0x00c00000);
/*KEY_ID when WEP is used;*/
ptxdesc->txdw1 |=
cpu_to_le32((psecuritypriv->PrivacyKeyIndex << 17) &
0x00060000);
break;
case _TKIP_:
case _TKIP_WTMIC_:
ptxdesc->txdw1 |= cpu_to_le32((0x02 << 22) &
0x00c00000);
break;
case _AES_:
ptxdesc->txdw1 |= cpu_to_le32((0x03 << 22) &
0x00c00000);
break;
case _NO_PRIVACY_:
default:
break;
}
}
/*offset 8*/
if (bmcst)
ptxdesc->txdw2 |= cpu_to_le32(BMC);
/*offset 12*/
/* f/w will increase the seqnum by itself, driver pass the
* correct priority to fw.
* fw will check the correct priority for increasing the
* seqnum per tid. about usb using 4-endpoint, qsel points out
* the correct mapping between AC&Endpoint,
* the purpose is that correct mapping lets the MAC release
* the AC Queue list correctly.
*/
ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) &
0x0fff0000);
if ((pattrib->ether_type != 0x888e) &&
(pattrib->ether_type != 0x0806) &&
(pattrib->dhcp_pkt != 1)) {
/*Not EAP & ARP type data packet*/
if (phtpriv->ht_option == 1) { /*B/G/N Mode*/
if (!phtpriv->ampdu_enable)
ptxdesc->txdw2 |= cpu_to_le32(BK);
}
} else {
/* EAP data packet and ARP packet.
* Use the 1M data rate to send the EAP/ARP packet.
* This will maybe make the handshake smooth.
*/
/*driver uses data rate*/
ptxdesc->txdw4 = cpu_to_le32(0x80000000);
ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/*1M*/
}
if (pattrib->pctrl == 1) { /* mp tx packets */
struct tx_desc *ptxdesc_mp;
ptxdesc_mp = &txdesc_mp;
/* offset 8 */
ptxdesc->txdw2 = ptxdesc_mp->txdw2;
if (bmcst)
ptxdesc->txdw2 |= cpu_to_le32(BMC);
ptxdesc->txdw2 |= cpu_to_le32(BK);
/* offset 16 */
ptxdesc->txdw4 = ptxdesc_mp->txdw4;
/* offset 20 */
ptxdesc->txdw5 = ptxdesc_mp->txdw5;
pattrib->pctrl = 0;/* reset to zero; */
}
} else if (pxmitframe->frame_tag == MGNT_FRAMETAG) {
/* offset 4 */
/* CAM_ID(MAC_ID), default=5; */
ptxdesc->txdw1 |= cpu_to_le32((0x05) & 0x1f);
qsel = (uint)(pattrib->qsel & 0x0000001f);
ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/* Non-QoS */
/* offset 8 */
if (bmcst)
ptxdesc->txdw2 |= cpu_to_le32(BMC);
/* offset 12 */
/* f/w will increase the seqnum by itself, driver pass the
* correct priority to fw.
* fw will check the correct priority for increasing the seqnum
* per tid. about usb using 4-endpoint, qsel points out the
* correct mapping between AC&Endpoint,
* the purpose is that correct mapping let the MAC releases
* the AC Queue list correctly.
*/
ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) &
0x0fff0000);
/* offset 16 */
ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/
/* offset 20 */
ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/* gtest 1M */
} else if (pxmitframe->frame_tag == TXAGG_FRAMETAG) {
/* offset 4 */
qsel = 0x13;
ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
} else {
/* offset 4 */
qsel = (uint)(pattrib->priority & 0x0000001f);
ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
/*offset 8*/
/*offset 12*/
ptxdesc->txdw3 = cpu_to_le32((pattrib->seqnum << SEQ_SHT) &
0x0fff0000);
/*offset 16*/
ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/
/*offset 20*/
ptxdesc->txdw5 = cpu_to_le32(0x001f9600);/*gtest*/
}
}
int r8712_xmitframe_complete(struct _adapter *padapter,
struct xmit_priv *pxmitpriv,
struct xmit_buf *pxmitbuf)
{
struct hw_xmit *phwxmits;
sint hwentry;
struct xmit_frame *pxmitframe = NULL;
#ifdef CONFIG_R8712_TX_AGGR
struct xmit_frame *p2ndxmitframe = NULL;
#else
int res = _SUCCESS;
#endif
phwxmits = pxmitpriv->hwxmits;
hwentry = pxmitpriv->hwxmit_entry;
if (!pxmitbuf) {
pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv);
if (!pxmitbuf)
return false;
#ifdef CONFIG_R8712_TX_AGGR
pxmitbuf->aggr_nr = 0;
#endif
}
/* 1st frame dequeued */
pxmitframe = dequeue_xframe_ex(pxmitpriv, phwxmits, hwentry);
/* need to remember the 1st frame */
if (pxmitframe) {
#ifdef CONFIG_R8712_TX_AGGR
/* 1. dequeue 2nd frame
* 2. aggr if 2nd xframe is dequeued, else dump directly
*/
if (AGGR_NR_HIGH_BOUND > 1)
p2ndxmitframe = dequeue_xframe_ex(pxmitpriv, phwxmits,
hwentry);
if (pxmitframe->frame_tag != DATA_FRAMETAG) {
r8712_free_xmitbuf(pxmitpriv, pxmitbuf);
return false;
}
if (p2ndxmitframe)
if (p2ndxmitframe->frame_tag != DATA_FRAMETAG) {
r8712_free_xmitbuf(pxmitpriv, pxmitbuf);
return false;
}
r8712_xmitframe_aggr_1st(pxmitbuf, pxmitframe);
if (p2ndxmitframe) {
u16 total_length;
total_length = r8712_xmitframe_aggr_next(
pxmitbuf, p2ndxmitframe);
do {
p2ndxmitframe = dequeue_xframe_ex(
pxmitpriv, phwxmits, hwentry);
if (p2ndxmitframe)
total_length =
r8712_xmitframe_aggr_next(
pxmitbuf,
p2ndxmitframe);
else
break;
} while (total_length <= 0x1800 &&
pxmitbuf->aggr_nr <= AGGR_NR_HIGH_BOUND);
}
if (pxmitbuf->aggr_nr > 0)
r8712_dump_aggr_xframe(pxmitbuf, pxmitframe);
#else
xmitframe_xmitbuf_attach(pxmitframe, pxmitbuf);
if (pxmitframe->frame_tag == DATA_FRAMETAG) {
if (pxmitframe->attrib.priority <= 15)
res = r8712_xmitframe_coalesce(padapter,
pxmitframe->pkt, pxmitframe);
/* always return ndis_packet after
* r8712_xmitframe_coalesce
*/
r8712_xmit_complete(padapter, pxmitframe);
}
if (res == _SUCCESS)
dump_xframe(padapter, pxmitframe);
else
r8712_free_xmitframe_ex(pxmitpriv, pxmitframe);
#endif
} else { /* pxmitframe == NULL && p2ndxmitframe == NULL */
r8712_free_xmitbuf(pxmitpriv, pxmitbuf);
return false;
}
return true;
}
static void dump_xframe(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
int t, sz, w_sz;
u8 *mem_addr;
u32 ff_hwaddr;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
if (pxmitframe->attrib.ether_type != 0x0806) {
if (pxmitframe->attrib.ether_type != 0x888e)
r8712_issue_addbareq_cmd(padapter, pattrib->priority);
}
mem_addr = pxmitframe->buf_addr;
for (t = 0; t < pattrib->nr_frags; t++) {
if (t != (pattrib->nr_frags - 1)) {
sz = pxmitpriv->frag_len;
sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 :
pattrib->icv_len);
pxmitframe->last[t] = 0;
} else {
sz = pattrib->last_txcmdsz;
pxmitframe->last[t] = 1;
}
update_txdesc(pxmitframe, (uint *)mem_addr, sz);
w_sz = sz + TXDESC_SIZE;
pxmitframe->mem_addr = mem_addr;
pxmitframe->bpending[t] = false;
ff_hwaddr = get_ff_hwaddr(pxmitframe);
#ifdef CONFIG_R8712_TX_AGGR
r8712_write_port(padapter, RTL8712_DMA_H2CCMD, w_sz,
(unsigned char *)pxmitframe);
#else
r8712_write_port(padapter, ff_hwaddr, w_sz,
(unsigned char *)pxmitframe);
#endif
mem_addr += w_sz;
mem_addr = (u8 *)RND4(((addr_t)(mem_addr)));
}
}
void r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe)
{
int res;
res = r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
pxmitframe->pkt = NULL;
if (res == _SUCCESS)
dump_xframe(padapter, pxmitframe);
}
int r8712_xmit_enqueue(struct _adapter *padapter, struct xmit_frame *pxmitframe)
{
if (r8712_xmit_classifier(padapter, pxmitframe)) {
pxmitframe->pkt = NULL;
return _FAIL;
}
return _SUCCESS;
}
| linux-master | drivers/staging/rtl8712/rtl8712_xmit.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl8712_io.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL8712_IO_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "rtl871x_io.h"
#include "osdep_intf.h"
#include "usb_ops.h"
u8 r8712_read8(struct _adapter *adapter, u32 addr)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
return hdl->io_ops._read8(hdl, addr);
}
u16 r8712_read16(struct _adapter *adapter, u32 addr)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
return hdl->io_ops._read16(hdl, addr);
}
u32 r8712_read32(struct _adapter *adapter, u32 addr)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
return hdl->io_ops._read32(hdl, addr);
}
void r8712_write8(struct _adapter *adapter, u32 addr, u8 val)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
hdl->io_ops._write8(hdl, addr, val);
}
void r8712_write16(struct _adapter *adapter, u32 addr, u16 val)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
hdl->io_ops._write16(hdl, addr, val);
}
void r8712_write32(struct _adapter *adapter, u32 addr, u32 val)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
hdl->io_ops._write32(hdl, addr, val);
}
void r8712_read_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
if (adapter->driver_stopped || adapter->surprise_removed)
return;
hdl->io_ops._read_mem(hdl, addr, cnt, pmem);
}
void r8712_write_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
hdl->io_ops._write_mem(hdl, addr, cnt, pmem);
}
void r8712_read_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
if (adapter->driver_stopped || adapter->surprise_removed)
return;
hdl->io_ops._read_port(hdl, addr, cnt, pmem);
}
void r8712_write_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
struct intf_hdl *hdl = &adapter->pio_queue->intf;
hdl->io_ops._write_port(hdl, addr, cnt, pmem);
}
| linux-master | drivers/staging/rtl8712/rtl8712_io.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_xmit.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_XMIT_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"
#include "usb_ops.h"
#include <linux/usb.h>
#include <linux/ieee80211.h>
static const u8 P802_1H_OUI[P80211_OUI_LEN] = {0x00, 0x00, 0xf8};
static const u8 RFC1042_OUI[P80211_OUI_LEN] = {0x00, 0x00, 0x00};
static void init_hwxmits(struct hw_xmit *phwxmit, sint entry);
static void alloc_hwxmits(struct _adapter *padapter);
static void free_hwxmits(struct _adapter *padapter);
static void _init_txservq(struct tx_servq *ptxservq)
{
INIT_LIST_HEAD(&ptxservq->tx_pending);
_init_queue(&ptxservq->sta_pending);
ptxservq->qcnt = 0;
}
void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
{
memset((unsigned char *)psta_xmitpriv, 0,
sizeof(struct sta_xmit_priv));
spin_lock_init(&psta_xmitpriv->lock);
_init_txservq(&psta_xmitpriv->be_q);
_init_txservq(&psta_xmitpriv->bk_q);
_init_txservq(&psta_xmitpriv->vi_q);
_init_txservq(&psta_xmitpriv->vo_q);
INIT_LIST_HEAD(&psta_xmitpriv->legacy_dz);
INIT_LIST_HEAD(&psta_xmitpriv->apsd);
}
int _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
struct _adapter *padapter)
{
sint i;
struct xmit_buf *pxmitbuf;
struct xmit_frame *pxframe;
int j;
memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv));
spin_lock_init(&pxmitpriv->lock);
/*
*Please insert all the queue initialization using _init_queue below
*/
pxmitpriv->adapter = padapter;
_init_queue(&pxmitpriv->be_pending);
_init_queue(&pxmitpriv->bk_pending);
_init_queue(&pxmitpriv->vi_pending);
_init_queue(&pxmitpriv->vo_pending);
_init_queue(&pxmitpriv->bm_pending);
_init_queue(&pxmitpriv->legacy_dz_queue);
_init_queue(&pxmitpriv->apsd_queue);
_init_queue(&pxmitpriv->free_xmit_queue);
/*
* Please allocate memory with sz = (struct xmit_frame) * NR_XMITFRAME,
* and initialize free_xmit_frame below.
* Please also apply free_txobj to link_up all the xmit_frames...
*/
pxmitpriv->pallocated_frame_buf =
kmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4,
GFP_ATOMIC);
if (!pxmitpriv->pallocated_frame_buf) {
pxmitpriv->pxmit_frame_buf = NULL;
return -ENOMEM;
}
pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 -
((addr_t) (pxmitpriv->pallocated_frame_buf) & 3);
pxframe = (struct xmit_frame *) pxmitpriv->pxmit_frame_buf;
for (i = 0; i < NR_XMITFRAME; i++) {
INIT_LIST_HEAD(&(pxframe->list));
pxframe->padapter = padapter;
pxframe->frame_tag = DATA_FRAMETAG;
pxframe->pkt = NULL;
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
list_add_tail(&(pxframe->list),
&(pxmitpriv->free_xmit_queue.queue));
pxframe++;
}
pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
/*
* init xmit hw_txqueue
*/
_r8712_init_hw_txqueue(&pxmitpriv->be_txqueue, BE_QUEUE_INX);
_r8712_init_hw_txqueue(&pxmitpriv->bk_txqueue, BK_QUEUE_INX);
_r8712_init_hw_txqueue(&pxmitpriv->vi_txqueue, VI_QUEUE_INX);
_r8712_init_hw_txqueue(&pxmitpriv->vo_txqueue, VO_QUEUE_INX);
_r8712_init_hw_txqueue(&pxmitpriv->bmc_txqueue, BMC_QUEUE_INX);
pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
pxmitpriv->txirp_cnt = 1;
/*per AC pending irp*/
pxmitpriv->beq_cnt = 0;
pxmitpriv->bkq_cnt = 0;
pxmitpriv->viq_cnt = 0;
pxmitpriv->voq_cnt = 0;
/*init xmit_buf*/
_init_queue(&pxmitpriv->free_xmitbuf_queue);
_init_queue(&pxmitpriv->pending_xmitbuf_queue);
pxmitpriv->pallocated_xmitbuf =
kmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4, GFP_ATOMIC);
if (!pxmitpriv->pallocated_xmitbuf)
goto clean_up_frame_buf;
pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 -
((addr_t)(pxmitpriv->pallocated_xmitbuf) & 3);
pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
for (i = 0; i < NR_XMITBUFF; i++) {
INIT_LIST_HEAD(&pxmitbuf->list);
pxmitbuf->pallocated_buf =
kmalloc(MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ, GFP_ATOMIC);
if (!pxmitbuf->pallocated_buf) {
j = 0;
goto clean_up_alloc_buf;
}
pxmitbuf->pbuf = pxmitbuf->pallocated_buf + XMITBUF_ALIGN_SZ -
((addr_t) (pxmitbuf->pallocated_buf) &
(XMITBUF_ALIGN_SZ - 1));
if (r8712_xmit_resource_alloc(padapter, pxmitbuf)) {
j = 1;
goto clean_up_alloc_buf;
}
list_add_tail(&pxmitbuf->list,
&(pxmitpriv->free_xmitbuf_queue.queue));
pxmitbuf++;
}
pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
INIT_WORK(&padapter->wk_filter_rx_ff0, r8712_SetFilter);
alloc_hwxmits(padapter);
init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
tasklet_setup(&pxmitpriv->xmit_tasklet, r8712_xmit_bh);
return 0;
clean_up_alloc_buf:
if (j) {
/* failure happened in r8712_xmit_resource_alloc()
* delete extra pxmitbuf->pallocated_buf
*/
kfree(pxmitbuf->pallocated_buf);
}
for (j = 0; j < i; j++) {
int k;
pxmitbuf--; /* reset pointer */
kfree(pxmitbuf->pallocated_buf);
for (k = 0; k < 8; k++) /* delete xmit urb's */
usb_free_urb(pxmitbuf->pxmit_urb[k]);
}
kfree(pxmitpriv->pallocated_xmitbuf);
pxmitpriv->pallocated_xmitbuf = NULL;
clean_up_frame_buf:
kfree(pxmitpriv->pallocated_frame_buf);
pxmitpriv->pallocated_frame_buf = NULL;
return -ENOMEM;
}
void _free_xmit_priv(struct xmit_priv *pxmitpriv)
{
int i;
struct _adapter *padapter = pxmitpriv->adapter;
struct xmit_frame *pxmitframe = (struct xmit_frame *)
pxmitpriv->pxmit_frame_buf;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
if (!pxmitpriv->pxmit_frame_buf)
return;
for (i = 0; i < NR_XMITFRAME; i++) {
r8712_xmit_complete(padapter, pxmitframe);
pxmitframe++;
}
for (i = 0; i < NR_XMITBUFF; i++) {
r8712_xmit_resource_free(padapter, pxmitbuf);
kfree(pxmitbuf->pallocated_buf);
pxmitbuf++;
}
kfree(pxmitpriv->pallocated_frame_buf);
kfree(pxmitpriv->pallocated_xmitbuf);
free_hwxmits(padapter);
}
int r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
struct pkt_attrib *pattrib)
{
struct pkt_file pktfile;
struct sta_info *psta = NULL;
struct ethhdr etherhdr;
struct tx_cmd txdesc;
bool bmcast;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
_r8712_open_pktfile(pkt, &pktfile);
_r8712_pktfile_read(&pktfile, (unsigned char *)ðerhdr, ETH_HLEN);
pattrib->ether_type = ntohs(etherhdr.h_proto);
/*
* If driver xmit ARP packet, driver can set ps mode to initial
* setting. It stands for getting DHCP or fix IP.
*/
if (pattrib->ether_type == 0x0806) {
if (padapter->pwrctrlpriv.pwr_mode !=
padapter->registrypriv.power_mgnt) {
del_timer_sync(&pmlmepriv->dhcp_timer);
r8712_set_ps_mode(padapter,
padapter->registrypriv.power_mgnt,
padapter->registrypriv.smart_ps);
}
}
memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN);
memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN);
pattrib->pctrl = 0;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
/*firstly, filter packet not belongs to mp*/
if (pattrib->ether_type != 0x8712)
return -EINVAL;
/* for mp storing the txcmd per packet,
* according to the info of txcmd to update pattrib
*/
/*get MP_TXDESC_SIZE bytes txcmd per packet*/
_r8712_pktfile_read(&pktfile, (u8 *)&txdesc, TXDESC_SIZE);
memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
pattrib->pctrl = 1;
}
/* r8712_xmitframe_coalesce() overwrite this!*/
pattrib->pktlen = pktfile.pkt_len;
if (pattrib->ether_type == ETH_P_IP) {
/* The following is for DHCP and ARP packet, we use cck1M to
* tx these packets and let LPS awake some time
* to prevent DHCP protocol fail
*/
u8 tmp[24];
_r8712_pktfile_read(&pktfile, &tmp[0], 24);
pattrib->dhcp_pkt = 0;
if (pktfile.pkt_len > 282) {/*MINIMUM_DHCP_PACKET_SIZE)*/
if (pattrib->ether_type == ETH_P_IP) {/* IP header*/
if (((tmp[21] == 68) && (tmp[23] == 67)) ||
((tmp[21] == 67) && (tmp[23] == 68))) {
/* 68 : UDP BOOTP client
* 67 : UDP BOOTP server
* Use low rate to send DHCP packet.
*/
pattrib->dhcp_pkt = 1;
}
}
}
}
bmcast = is_multicast_ether_addr(pattrib->ra);
/* get sta_info*/
if (bmcast) {
psta = r8712_get_bcmc_stainfo(padapter);
pattrib->mac_id = 4;
} else {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
pattrib->mac_id = 5;
} else {
psta = r8712_get_stainfo(pstapriv, pattrib->ra);
if (!psta) /* drop the pkt */
return -ENOMEM;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
pattrib->mac_id = 5;
else
pattrib->mac_id = psta->mac_id;
}
}
if (psta) {
pattrib->psta = psta;
} else {
/* if we cannot get psta => drrp the pkt */
return -ENOMEM;
}
pattrib->ack_policy = 0;
/* get ether_hdr_len */
pattrib->pkt_hdrlen = ETH_HLEN;
if (pqospriv->qos_option) {
r8712_set_qos(&pktfile, pattrib);
} else {
pattrib->hdrlen = WLAN_HDR_A3_LEN;
pattrib->subtype = IEEE80211_FTYPE_DATA;
pattrib->priority = 0;
}
if (psta->ieee8021x_blocked) {
pattrib->encrypt = 0;
if ((pattrib->ether_type != 0x888e) &&
!check_fwstate(pmlmepriv, WIFI_MP_STATE))
return -EINVAL;
} else {
GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
}
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
pattrib->iv_len = 4;
pattrib->icv_len = 4;
break;
case _TKIP_:
pattrib->iv_len = 8;
pattrib->icv_len = 4;
if (padapter->securitypriv.busetkipkey == _FAIL)
return -EINVAL;
break;
case _AES_:
pattrib->iv_len = 8;
pattrib->icv_len = 8;
break;
default:
pattrib->iv_len = 0;
pattrib->icv_len = 0;
break;
}
if (pattrib->encrypt &&
(padapter->securitypriv.sw_encrypt ||
!psecuritypriv->hw_decrypted))
pattrib->bswenc = true;
else
pattrib->bswenc = false;
/* if in MP_STATE, update pkt_attrib from mp_txcmd, and overwrite
* some settings above.
*/
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
pattrib->priority =
(le32_to_cpu(txdesc.txdw1) >> QSEL_SHT) & 0x1f;
return 0;
}
static int xmitframe_addmic(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
u32 curfragnum, length;
u8 *pframe, *payload, mic[8];
struct mic_data micdata;
struct sta_info *stainfo;
struct qos_priv *pqospriv = &(padapter->mlmepriv.qospriv);
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct security_priv *psecpriv = &padapter->securitypriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
u8 priority[4] = {};
bool bmcst = is_multicast_ether_addr(pattrib->ra);
if (pattrib->psta)
stainfo = pattrib->psta;
else
stainfo = r8712_get_stainfo(&padapter->stapriv,
&pattrib->ra[0]);
if (pattrib->encrypt == _TKIP_) {
/*encode mic code*/
if (stainfo) {
u8 null_key[16] = {};
pframe = pxmitframe->buf_addr + TXDESC_OFFSET;
if (bmcst) {
if (!memcmp(psecpriv->XGrptxmickey
[psecpriv->XGrpKeyid].skey,
null_key, 16))
return -ENOMEM;
/*start to calculate the mic code*/
r8712_secmicsetkey(&micdata,
psecpriv->XGrptxmickey
[psecpriv->XGrpKeyid].skey);
} else {
if (!memcmp(&stainfo->tkiptxmickey.skey[0],
null_key, 16))
return -ENOMEM;
/* start to calculate the mic code */
r8712_secmicsetkey(&micdata,
&stainfo->tkiptxmickey.skey[0]);
}
if (pframe[1] & 1) { /* ToDS==1 */
r8712_secmicappend(&micdata,
&pframe[16], 6); /*DA*/
if (pframe[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata,
&pframe[24], 6);
else
r8712_secmicappend(&micdata,
&pframe[10], 6);
} else { /* ToDS==0 */
r8712_secmicappend(&micdata,
&pframe[4], 6); /* DA */
if (pframe[1] & 2) /* From Ds==1 */
r8712_secmicappend(&micdata,
&pframe[16], 6);
else
r8712_secmicappend(&micdata,
&pframe[10], 6);
}
if (pqospriv->qos_option == 1)
priority[0] = (u8)pxmitframe->attrib.priority;
r8712_secmicappend(&micdata, &priority[0], 4);
payload = pframe;
for (curfragnum = 0; curfragnum < pattrib->nr_frags;
curfragnum++) {
payload = (u8 *)RND4((addr_t)(payload));
payload += pattrib->hdrlen + pattrib->iv_len;
if ((curfragnum + 1) == pattrib->nr_frags) {
length = pattrib->last_txcmdsz -
pattrib->hdrlen -
pattrib->iv_len -
((psecpriv->sw_encrypt)
? pattrib->icv_len : 0);
r8712_secmicappend(&micdata, payload,
length);
payload = payload + length;
} else {
length = pxmitpriv->frag_len -
pattrib->hdrlen - pattrib->iv_len -
((psecpriv->sw_encrypt) ?
pattrib->icv_len : 0);
r8712_secmicappend(&micdata, payload,
length);
payload = payload + length +
pattrib->icv_len;
}
}
r8712_secgetmic(&micdata, &(mic[0]));
/* add mic code and add the mic code length in
* last_txcmdsz
*/
memcpy(payload, &(mic[0]), 8);
pattrib->last_txcmdsz += 8;
payload = payload - pattrib->last_txcmdsz + 8;
}
}
return 0;
}
static sint xmitframe_swencrypt(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
struct pkt_attrib *pattrib = &pxmitframe->attrib;
if (pattrib->bswenc) {
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
r8712_wep_encrypt(padapter, (u8 *)pxmitframe);
break;
case _TKIP_:
r8712_tkip_encrypt(padapter, (u8 *)pxmitframe);
break;
case _AES_:
r8712_aes_encrypt(padapter, (u8 *)pxmitframe);
break;
default:
break;
}
}
return _SUCCESS;
}
static int make_wlanhdr(struct _adapter *padapter, u8 *hdr,
struct pkt_attrib *pattrib)
{
u16 *qc;
struct ieee80211_hdr *pwlanhdr = (struct ieee80211_hdr *)hdr;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
__le16 *fctrl = &pwlanhdr->frame_control;
u8 *bssid;
memset(hdr, 0, WLANHDR_OFFSET);
SetFrameSubType(fctrl, pattrib->subtype);
if (!(pattrib->subtype & IEEE80211_FTYPE_DATA))
return 0;
bssid = get_bssid(pmlmepriv);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
/* to_ds = 1, fr_ds = 0; */
SetToDs(fctrl);
ether_addr_copy(pwlanhdr->addr1, bssid);
ether_addr_copy(pwlanhdr->addr2, pattrib->src);
ether_addr_copy(pwlanhdr->addr3, pattrib->dst);
} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
/* to_ds = 0, fr_ds = 1; */
SetFrDs(fctrl);
ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
ether_addr_copy(pwlanhdr->addr2, bssid);
ether_addr_copy(pwlanhdr->addr3, pattrib->src);
} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
ether_addr_copy(pwlanhdr->addr2, pattrib->src);
ether_addr_copy(pwlanhdr->addr3, bssid);
} else if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
ether_addr_copy(pwlanhdr->addr1, pattrib->dst);
ether_addr_copy(pwlanhdr->addr2, pattrib->src);
ether_addr_copy(pwlanhdr->addr3, bssid);
} else {
return -EINVAL;
}
if (pattrib->encrypt)
SetPrivacy(fctrl);
if (pqospriv->qos_option) {
qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
if (pattrib->priority)
SetPriority(qc, pattrib->priority);
SetAckpolicy(qc, pattrib->ack_policy);
}
/* TODO: fill HT Control Field */
/* Update Seq Num will be handled by f/w */
{
struct sta_info *psta;
bool bmcst = is_multicast_ether_addr(pattrib->ra);
if (pattrib->psta)
psta = pattrib->psta;
else if (bmcst)
psta = r8712_get_bcmc_stainfo(padapter);
else
psta = r8712_get_stainfo(&padapter->stapriv,
pattrib->ra);
if (psta) {
u16 *txtid = psta->sta_xmitpriv.txseq_tid;
txtid[pattrib->priority]++;
txtid[pattrib->priority] &= 0xFFF;
pattrib->seqnum = txtid[pattrib->priority];
SetSeqNum(hdr, pattrib->seqnum);
}
}
return 0;
}
static sint r8712_put_snap(u8 *data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
const u8 *oui;
snap = (struct ieee80211_snap_hdr *)data;
snap->dsap = 0xaa;
snap->ssap = 0xaa;
snap->ctrl = 0x03;
if (h_proto == 0x8137 || h_proto == 0x80f3)
oui = P802_1H_OUI;
else
oui = RFC1042_OUI;
snap->oui[0] = oui[0];
snap->oui[1] = oui[1];
snap->oui[2] = oui[2];
*(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
return SNAP_SIZE + sizeof(u16);
}
/*
* This sub-routine will perform all the following:
* 1. remove 802.3 header.
* 2. create wlan_header, based on the info in pxmitframe
* 3. append sta's iv/ext-iv
* 4. append LLC
* 5. move frag chunk from pframe to pxmitframe->mem
* 6. apply sw-encrypt, if necessary.
*/
sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
struct xmit_frame *pxmitframe)
{
struct pkt_file pktfile;
sint frg_len, mpdu_len, llc_sz;
u32 mem_sz;
u8 frg_inx;
addr_t addr;
u8 *pframe, *mem_start, *ptxdesc;
struct sta_info *psta;
struct security_priv *psecpriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
u8 *pbuf_start;
bool bmcst = is_multicast_ether_addr(pattrib->ra);
if (!pattrib->psta)
return _FAIL;
psta = pattrib->psta;
if (!pxmitframe->buf_addr)
return _FAIL;
pbuf_start = pxmitframe->buf_addr;
ptxdesc = pbuf_start;
mem_start = pbuf_start + TXDESC_OFFSET;
if (make_wlanhdr(padapter, mem_start, pattrib))
return _FAIL;
_r8712_open_pktfile(pkt, &pktfile);
_r8712_pktfile_read(&pktfile, NULL, (uint) pattrib->pkt_hdrlen);
if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
/* truncate TXDESC_SIZE bytes txcmd if at mp mode for 871x */
if (pattrib->ether_type == 0x8712) {
/* take care - update_txdesc overwrite this */
_r8712_pktfile_read(&pktfile, ptxdesc, TXDESC_SIZE);
}
}
pattrib->pktlen = pktfile.pkt_len;
frg_inx = 0;
frg_len = pxmitpriv->frag_len - 4;
while (1) {
llc_sz = 0;
mpdu_len = frg_len;
pframe = mem_start;
SetMFrag(mem_start);
pframe += pattrib->hdrlen;
mpdu_len -= pattrib->hdrlen;
/* adding icv, if necessary...*/
if (pattrib->iv_len) {
if (psta) {
switch (pattrib->encrypt) {
case _WEP40_:
case _WEP104_:
WEP_IV(pattrib->iv, psta->txpn,
(u8)psecpriv->PrivacyKeyIndex);
break;
case _TKIP_:
if (bmcst)
TKIP_IV(pattrib->iv,
psta->txpn,
(u8)psecpriv->XGrpKeyid);
else
TKIP_IV(pattrib->iv, psta->txpn,
0);
break;
case _AES_:
if (bmcst)
AES_IV(pattrib->iv, psta->txpn,
(u8)psecpriv->XGrpKeyid);
else
AES_IV(pattrib->iv, psta->txpn,
0);
break;
}
}
memcpy(pframe, pattrib->iv, pattrib->iv_len);
pframe += pattrib->iv_len;
mpdu_len -= pattrib->iv_len;
}
if (frg_inx == 0) {
llc_sz = r8712_put_snap(pframe, pattrib->ether_type);
pframe += llc_sz;
mpdu_len -= llc_sz;
}
if ((pattrib->icv_len > 0) && (pattrib->bswenc))
mpdu_len -= pattrib->icv_len;
if (bmcst)
mem_sz = _r8712_pktfile_read(&pktfile, pframe,
pattrib->pktlen);
else
mem_sz = _r8712_pktfile_read(&pktfile, pframe,
mpdu_len);
pframe += mem_sz;
if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
memcpy(pframe, pattrib->icv, pattrib->icv_len);
pframe += pattrib->icv_len;
}
frg_inx++;
if (bmcst || r8712_endofpktfile(&pktfile)) {
pattrib->nr_frags = frg_inx;
pattrib->last_txcmdsz = pattrib->hdrlen +
pattrib->iv_len +
((pattrib->nr_frags == 1) ?
llc_sz : 0) +
((pattrib->bswenc) ?
pattrib->icv_len : 0) + mem_sz;
ClearMFrag(mem_start);
break;
}
addr = (addr_t)(pframe);
mem_start = (unsigned char *)RND4(addr) + TXDESC_OFFSET;
memcpy(mem_start, pbuf_start + TXDESC_OFFSET, pattrib->hdrlen);
}
if (xmitframe_addmic(padapter, pxmitframe))
return _FAIL;
xmitframe_swencrypt(padapter, pxmitframe);
return _SUCCESS;
}
void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len)
{
uint protection;
u8 *perp;
uint erp_len;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
switch (pxmitpriv->vcs_setting) {
case DISABLE_VCS:
pxmitpriv->vcs = NONE_VCS;
break;
case ENABLE_VCS:
break;
case AUTO_VCS:
default:
perp = r8712_get_ie(ie, WLAN_EID_ERP_INFO, &erp_len, ie_len);
if (!perp) {
pxmitpriv->vcs = NONE_VCS;
} else {
protection = (*(perp + 2)) & BIT(1);
if (protection) {
if (pregistrypriv->vcs_type == RTS_CTS)
pxmitpriv->vcs = RTS_CTS;
else
pxmitpriv->vcs = CTS_TO_SELF;
} else {
pxmitpriv->vcs = NONE_VCS;
}
}
break;
}
}
struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
{
unsigned long irqL;
struct xmit_buf *pxmitbuf;
struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
pxmitbuf = list_first_entry_or_null(&pfree_xmitbuf_queue->queue,
struct xmit_buf, list);
if (pxmitbuf) {
list_del_init(&pxmitbuf->list);
pxmitpriv->free_xmitbuf_cnt--;
}
spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
return pxmitbuf;
}
void r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
unsigned long irqL;
struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
if (!pxmitbuf)
return;
spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL);
list_del_init(&pxmitbuf->list);
list_add_tail(&(pxmitbuf->list), &pfree_xmitbuf_queue->queue);
pxmitpriv->free_xmitbuf_cnt++;
spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irqL);
}
/*
* Calling context:
* 1. OS_TXENTRY
* 2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
*
* If we turn on USE_RXTHREAD, then, no need for critical section.
* Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
*
* Must be very very cautious...
*
*/
struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv)
{
/*
* Please remember to use all the osdep_service api,
* and lock/unlock or _enter/_exit critical to protect
* pfree_xmit_queue
*/
unsigned long irqL;
struct xmit_frame *pxframe;
struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
spin_lock_irqsave(&pfree_xmit_queue->lock, irqL);
pxframe = list_first_entry_or_null(&pfree_xmit_queue->queue,
struct xmit_frame, list);
if (pxframe) {
list_del_init(&pxframe->list);
pxmitpriv->free_xmitframe_cnt--;
pxframe->buf_addr = NULL;
pxframe->pxmitbuf = NULL;
pxframe->attrib.psta = NULL;
pxframe->pkt = NULL;
}
spin_unlock_irqrestore(&pfree_xmit_queue->lock, irqL);
return pxframe;
}
void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
struct xmit_frame *pxmitframe)
{
unsigned long irqL;
struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
struct _adapter *padapter = pxmitpriv->adapter;
if (!pxmitframe)
return;
spin_lock_irqsave(&pfree_xmit_queue->lock, irqL);
list_del_init(&pxmitframe->list);
if (pxmitframe->pkt)
pxmitframe->pkt = NULL;
list_add_tail(&pxmitframe->list, &pfree_xmit_queue->queue);
pxmitpriv->free_xmitframe_cnt++;
spin_unlock_irqrestore(&pfree_xmit_queue->lock, irqL);
if (netif_queue_stopped(padapter->pnetdev))
netif_wake_queue(padapter->pnetdev);
}
void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
struct xmit_frame *pxmitframe)
{
if (!pxmitframe)
return;
if (pxmitframe->frame_tag == DATA_FRAMETAG)
r8712_free_xmitframe(pxmitpriv, pxmitframe);
}
void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
struct __queue *pframequeue)
{
unsigned long irqL;
struct list_head *plist, *phead;
struct xmit_frame *pxmitframe;
spin_lock_irqsave(&(pframequeue->lock), irqL);
phead = &pframequeue->queue;
plist = phead->next;
while (!end_of_queue_search(phead, plist)) {
pxmitframe = container_of(plist, struct xmit_frame, list);
plist = plist->next;
r8712_free_xmitframe(pxmitpriv, pxmitframe);
}
spin_unlock_irqrestore(&(pframequeue->lock), irqL);
}
static inline struct tx_servq *get_sta_pending(struct _adapter *padapter,
struct __queue **ppstapending,
struct sta_info *psta, sint up)
{
struct tx_servq *ptxservq;
struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits;
switch (up) {
case 1:
case 2:
ptxservq = &(psta->sta_xmitpriv.bk_q);
*ppstapending = &padapter->xmitpriv.bk_pending;
(phwxmits + 3)->accnt++;
break;
case 4:
case 5:
ptxservq = &(psta->sta_xmitpriv.vi_q);
*ppstapending = &padapter->xmitpriv.vi_pending;
(phwxmits + 1)->accnt++;
break;
case 6:
case 7:
ptxservq = &(psta->sta_xmitpriv.vo_q);
*ppstapending = &padapter->xmitpriv.vo_pending;
(phwxmits + 0)->accnt++;
break;
case 0:
case 3:
default:
ptxservq = &(psta->sta_xmitpriv.be_q);
*ppstapending = &padapter->xmitpriv.be_pending;
(phwxmits + 2)->accnt++;
break;
}
return ptxservq;
}
/*
* Will enqueue pxmitframe to the proper queue, and indicate it
* to xx_pending list.....
*/
int r8712_xmit_classifier(struct _adapter *padapter,
struct xmit_frame *pxmitframe)
{
unsigned long irqL0;
struct __queue *pstapending;
struct sta_info *psta;
struct tx_servq *ptxservq;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
bool bmcst = is_multicast_ether_addr(pattrib->ra);
if (pattrib->psta) {
psta = pattrib->psta;
} else {
if (bmcst) {
psta = r8712_get_bcmc_stainfo(padapter);
} else {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
else
psta = r8712_get_stainfo(pstapriv, pattrib->ra);
}
}
if (!psta)
return -EINVAL;
ptxservq = get_sta_pending(padapter, &pstapending,
psta, pattrib->priority);
spin_lock_irqsave(&pstapending->lock, irqL0);
if (list_empty(&ptxservq->tx_pending))
list_add_tail(&ptxservq->tx_pending, &pstapending->queue);
list_add_tail(&pxmitframe->list, &ptxservq->sta_pending.queue);
ptxservq->qcnt++;
spin_unlock_irqrestore(&pstapending->lock, irqL0);
return 0;
}
static void alloc_hwxmits(struct _adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
pxmitpriv->hwxmits = kmalloc_array(pxmitpriv->hwxmit_entry,
sizeof(struct hw_xmit), GFP_ATOMIC);
if (!pxmitpriv->hwxmits)
return;
hwxmits = pxmitpriv->hwxmits;
if (pxmitpriv->hwxmit_entry == 5) {
pxmitpriv->bmc_txqueue.head = 0;
hwxmits[0] .phwtxqueue = &pxmitpriv->bmc_txqueue;
hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
pxmitpriv->vo_txqueue.head = 0;
hwxmits[1] .phwtxqueue = &pxmitpriv->vo_txqueue;
hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
pxmitpriv->vi_txqueue.head = 0;
hwxmits[2] .phwtxqueue = &pxmitpriv->vi_txqueue;
hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
pxmitpriv->bk_txqueue.head = 0;
hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue;
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
pxmitpriv->be_txqueue.head = 0;
hwxmits[4] .phwtxqueue = &pxmitpriv->be_txqueue;
hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
} else if (pxmitpriv->hwxmit_entry == 4) {
pxmitpriv->vo_txqueue.head = 0;
hwxmits[0] .phwtxqueue = &pxmitpriv->vo_txqueue;
hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
pxmitpriv->vi_txqueue.head = 0;
hwxmits[1] .phwtxqueue = &pxmitpriv->vi_txqueue;
hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
pxmitpriv->be_txqueue.head = 0;
hwxmits[2] .phwtxqueue = &pxmitpriv->be_txqueue;
hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
pxmitpriv->bk_txqueue.head = 0;
hwxmits[3] .phwtxqueue = &pxmitpriv->bk_txqueue;
hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
}
}
static void free_hwxmits(struct _adapter *padapter)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
kfree(pxmitpriv->hwxmits);
}
static void init_hwxmits(struct hw_xmit *phwxmit, sint entry)
{
sint i;
for (i = 0; i < entry; i++, phwxmit++) {
spin_lock_init(&phwxmit->xmit_lock);
INIT_LIST_HEAD(&phwxmit->pending);
phwxmit->txcmdcnt = 0;
phwxmit->accnt = 0;
}
}
void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,
struct xmit_buf *pxmitbuf)
{
/* pxmitbuf attach to pxmitframe */
pxmitframe->pxmitbuf = pxmitbuf;
/* urb and irp connection */
pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0];
/* buffer addr assoc */
pxmitframe->buf_addr = pxmitbuf->pbuf;
/* pxmitframe attach to pxmitbuf */
pxmitbuf->priv_data = pxmitframe;
}
/*
* tx_action == 0 == no frames to transmit
* tx_action > 0 ==> we have frames to transmit
* tx_action < 0 ==> we have frames to transmit, but TXFF is not even enough
* to transmit 1 frame.
*/
int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe)
{
unsigned long irqL;
int ret;
struct xmit_buf *pxmitbuf = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
r8712_do_queue_select(padapter, pattrib);
spin_lock_irqsave(&pxmitpriv->lock, irqL);
if (r8712_txframes_sta_ac_pending(padapter, pattrib) > 0) {
ret = false;
r8712_xmit_enqueue(padapter, pxmitframe);
spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
return ret;
}
pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv);
if (!pxmitbuf) { /*enqueue packet*/
ret = false;
r8712_xmit_enqueue(padapter, pxmitframe);
spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
} else { /*dump packet directly*/
spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
ret = true;
xmitframe_xmitbuf_attach(pxmitframe, pxmitbuf);
r8712_xmit_direct(padapter, pxmitframe);
}
return ret;
}
| linux-master | drivers/staging/rtl8712/rtl871x_xmit.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* usb_ops.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _HCI_OPS_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"
#include "usb_ops.h"
#include "recv_osdep.h"
static u8 usb_read8(struct intf_hdl *intfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
int status;
__le32 data = 0;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x01; /* read_in */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 1;
status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index,
&data, len, requesttype);
if (status < 0)
return 0;
return (u8)(le32_to_cpu(data) & 0x0ff);
}
static u16 usb_read16(struct intf_hdl *intfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
int status;
__le32 data = 0;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x01; /* read_in */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 2;
status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index,
&data, len, requesttype);
if (status < 0)
return 0;
return (u16)(le32_to_cpu(data) & 0xffff);
}
static u32 usb_read32(struct intf_hdl *intfhdl, u32 addr)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
int status;
__le32 data = 0;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x01; /* read_in */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 4;
status = r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index,
&data, len, requesttype);
if (status < 0)
return 0;
return le32_to_cpu(data);
}
static void usb_write8(struct intf_hdl *intfhdl, u32 addr, u8 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x00; /* write_out */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 1;
data = cpu_to_le32((u32)val & 0x000000ff);
r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
requesttype);
}
static void usb_write16(struct intf_hdl *intfhdl, u32 addr, u16 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x00; /* write_out */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 2;
data = cpu_to_le32((u32)val & 0x0000ffff);
r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
requesttype);
}
static void usb_write32(struct intf_hdl *intfhdl, u32 addr, u32 val)
{
u8 request;
u8 requesttype;
u16 wvalue;
u16 index;
u16 len;
__le32 data;
struct intf_priv *intfpriv = intfhdl->pintfpriv;
request = 0x05;
requesttype = 0x00; /* write_out */
index = 0;
wvalue = (u16)(addr & 0x0000ffff);
len = 4;
data = cpu_to_le32(val);
r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
requesttype);
}
void r8712_usb_set_intf_option(u32 *option)
{
*option = ((*option) | _INTF_ASYNC_);
}
static void usb_intf_hdl_init(u8 *priv)
{
}
static void usb_intf_hdl_unload(u8 *priv)
{
}
static void usb_intf_hdl_open(u8 *priv)
{
}
static void usb_intf_hdl_close(u8 *priv)
{
}
void r8712_usb_set_intf_funs(struct intf_hdl *intfhdl)
{
intfhdl->intf_hdl_init = usb_intf_hdl_init;
intfhdl->intf_hdl_unload = usb_intf_hdl_unload;
intfhdl->intf_hdl_open = usb_intf_hdl_open;
intfhdl->intf_hdl_close = usb_intf_hdl_close;
}
void r8712_usb_set_intf_ops(struct _io_ops *ops)
{
memset((u8 *)ops, 0, sizeof(struct _io_ops));
ops->_read8 = usb_read8;
ops->_read16 = usb_read16;
ops->_read32 = usb_read32;
ops->_read_port = r8712_usb_read_port;
ops->_write8 = usb_write8;
ops->_write16 = usb_write16;
ops->_write32 = usb_write32;
ops->_write_mem = r8712_usb_write_mem;
ops->_write_port = r8712_usb_write_port;
}
| linux-master | drivers/staging/rtl8712/usb_ops.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_MP_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "rtl871x_mp_phy_regdef.h"
#include "rtl8712_cmd.h"
static void _init_mp_priv_(struct mp_priv *pmp_priv)
{
pmp_priv->mode = _LOOPBOOK_MODE_;
pmp_priv->curr_ch = 1;
pmp_priv->curr_modem = MIXED_PHY;
pmp_priv->curr_rateidx = 0;
pmp_priv->curr_txpoweridx = 0x14;
pmp_priv->antenna_tx = ANTENNA_A;
pmp_priv->antenna_rx = ANTENNA_AB;
pmp_priv->check_mp_pkt = 0;
pmp_priv->tx_pktcount = 0;
pmp_priv->rx_pktcount = 0;
pmp_priv->rx_crcerrpktcount = 0;
}
static int init_mp_priv(struct mp_priv *pmp_priv)
{
int i;
struct mp_xmit_frame *pmp_xmitframe;
_init_mp_priv_(pmp_priv);
_init_queue(&pmp_priv->free_mp_xmitqueue);
pmp_priv->pallocated_mp_xmitframe_buf = NULL;
pmp_priv->pallocated_mp_xmitframe_buf = kmalloc(NR_MP_XMITFRAME *
sizeof(struct mp_xmit_frame) + 4,
GFP_ATOMIC);
if (!pmp_priv->pallocated_mp_xmitframe_buf)
return -ENOMEM;
pmp_priv->pmp_xmtframe_buf = pmp_priv->pallocated_mp_xmitframe_buf +
4 -
((addr_t)(pmp_priv->pallocated_mp_xmitframe_buf) & 3);
pmp_xmitframe = (struct mp_xmit_frame *)pmp_priv->pmp_xmtframe_buf;
for (i = 0; i < NR_MP_XMITFRAME; i++) {
INIT_LIST_HEAD(&(pmp_xmitframe->list));
list_add_tail(&(pmp_xmitframe->list),
&(pmp_priv->free_mp_xmitqueue.queue));
pmp_xmitframe->pkt = NULL;
pmp_xmitframe->frame_tag = MP_FRAMETAG;
pmp_xmitframe->padapter = pmp_priv->papdater;
pmp_xmitframe++;
}
pmp_priv->free_mp_xmitframe_cnt = NR_MP_XMITFRAME;
return 0;
}
static int free_mp_priv(struct mp_priv *pmp_priv)
{
kfree(pmp_priv->pallocated_mp_xmitframe_buf);
return 0;
}
void mp871xinit(struct _adapter *padapter)
{
struct mp_priv *pmppriv = &padapter->mppriv;
pmppriv->papdater = padapter;
init_mp_priv(pmppriv);
}
void mp871xdeinit(struct _adapter *padapter)
{
struct mp_priv *pmppriv = &padapter->mppriv;
free_mp_priv(pmppriv);
}
/*
* Special for bb and rf reg read/write
*/
static u32 fw_iocmd_read(struct _adapter *pAdapter, struct IOCMD_STRUCT iocmd)
{
u32 cmd32 = 0, val32 = 0;
u8 iocmd_class = iocmd.cmdclass;
u16 iocmd_value = iocmd.value;
u8 iocmd_idx = iocmd.index;
cmd32 = (iocmd_class << 24) | (iocmd_value << 8) | iocmd_idx;
if (r8712_fw_cmd(pAdapter, cmd32))
r8712_fw_cmd_data(pAdapter, &val32, 1);
else
val32 = 0;
return val32;
}
static u8 fw_iocmd_write(struct _adapter *pAdapter,
struct IOCMD_STRUCT iocmd, u32 value)
{
u32 cmd32 = 0;
u8 iocmd_class = iocmd.cmdclass;
u32 iocmd_value = iocmd.value;
u8 iocmd_idx = iocmd.index;
r8712_fw_cmd_data(pAdapter, &value, 0);
msleep(100);
cmd32 = (iocmd_class << 24) | (iocmd_value << 8) | iocmd_idx;
return r8712_fw_cmd(pAdapter, cmd32);
}
/* offset : 0X800~0XFFF */
u32 r8712_bb_reg_read(struct _adapter *pAdapter, u16 offset)
{
u8 shift = offset & 0x0003; /* 4 byte access */
u16 bb_addr = offset & 0x0FFC; /* 4 byte access */
u32 bb_val = 0;
struct IOCMD_STRUCT iocmd;
iocmd.cmdclass = IOCMD_CLASS_BB_RF;
iocmd.value = bb_addr;
iocmd.index = IOCMD_BB_READ_IDX;
bb_val = fw_iocmd_read(pAdapter, iocmd);
if (shift != 0) {
u32 bb_val2 = 0;
bb_val >>= (shift * 8);
iocmd.value += 4;
bb_val2 = fw_iocmd_read(pAdapter, iocmd);
bb_val2 <<= ((4 - shift) * 8);
bb_val |= bb_val2;
}
return bb_val;
}
/* offset : 0X800~0XFFF */
u8 r8712_bb_reg_write(struct _adapter *pAdapter, u16 offset, u32 value)
{
u8 shift = offset & 0x0003; /* 4 byte access */
u16 bb_addr = offset & 0x0FFC; /* 4 byte access */
struct IOCMD_STRUCT iocmd;
iocmd.cmdclass = IOCMD_CLASS_BB_RF;
iocmd.value = bb_addr;
iocmd.index = IOCMD_BB_WRITE_IDX;
if (shift != 0) {
u32 oldValue = 0;
u32 newValue = value;
oldValue = r8712_bb_reg_read(pAdapter, iocmd.value);
oldValue &= (0xFFFFFFFF >> ((4 - shift) * 8));
value = oldValue | (newValue << (shift * 8));
if (!fw_iocmd_write(pAdapter, iocmd, value))
return false;
iocmd.value += 4;
oldValue = r8712_bb_reg_read(pAdapter, iocmd.value);
oldValue &= (0xFFFFFFFF << (shift * 8));
value = oldValue | (newValue >> ((4 - shift) * 8));
}
return fw_iocmd_write(pAdapter, iocmd, value);
}
/* offset : 0x00 ~ 0xFF */
u32 r8712_rf_reg_read(struct _adapter *pAdapter, u8 path, u8 offset)
{
u16 rf_addr = (path << 8) | offset;
struct IOCMD_STRUCT iocmd;
iocmd.cmdclass = IOCMD_CLASS_BB_RF;
iocmd.value = rf_addr;
iocmd.index = IOCMD_RF_READ_IDX;
return fw_iocmd_read(pAdapter, iocmd);
}
u8 r8712_rf_reg_write(struct _adapter *pAdapter, u8 path, u8 offset, u32 value)
{
u16 rf_addr = (path << 8) | offset;
struct IOCMD_STRUCT iocmd;
iocmd.cmdclass = IOCMD_CLASS_BB_RF;
iocmd.value = rf_addr;
iocmd.index = IOCMD_RF_WRIT_IDX;
return fw_iocmd_write(pAdapter, iocmd, value);
}
static u32 bitshift(u32 bitmask)
{
u32 i;
for (i = 0; i <= 31; i++)
if (((bitmask >> i) & 0x1) == 1)
break;
return i;
}
static u32 get_bb_reg(struct _adapter *pAdapter, u16 offset, u32 bitmask)
{
u32 org_value, bit_shift;
org_value = r8712_bb_reg_read(pAdapter, offset);
bit_shift = bitshift(bitmask);
return (org_value & bitmask) >> bit_shift;
}
static u8 set_bb_reg(struct _adapter *pAdapter,
u16 offset,
u32 bitmask,
u32 value)
{
u32 org_value, bit_shift, new_value;
if (bitmask != bMaskDWord) {
org_value = r8712_bb_reg_read(pAdapter, offset);
bit_shift = bitshift(bitmask);
new_value = (org_value & (~bitmask)) | (value << bit_shift);
} else {
new_value = value;
}
return r8712_bb_reg_write(pAdapter, offset, new_value);
}
static u32 get_rf_reg(struct _adapter *pAdapter, u8 path, u8 offset,
u32 bitmask)
{
u32 org_value, bit_shift;
org_value = r8712_rf_reg_read(pAdapter, path, offset);
bit_shift = bitshift(bitmask);
return (org_value & bitmask) >> bit_shift;
}
static u8 set_rf_reg(struct _adapter *pAdapter, u8 path, u8 offset, u32 bitmask,
u32 value)
{
u32 org_value, bit_shift, new_value;
if (bitmask != bMaskDWord) {
org_value = r8712_rf_reg_read(pAdapter, path, offset);
bit_shift = bitshift(bitmask);
new_value = (org_value & (~bitmask)) | (value << bit_shift);
} else {
new_value = value;
}
return r8712_rf_reg_write(pAdapter, path, offset, new_value);
}
/*
* SetChannel
* Description
* Use H2C command to change channel,
* not only modify rf register, but also other setting need to be done.
*/
void r8712_SetChannel(struct _adapter *pAdapter)
{
struct cmd_priv *pcmdpriv = &pAdapter->cmdpriv;
struct cmd_obj *pcmd = NULL;
struct SetChannel_parm *pparm = NULL;
u16 code = GEN_CMD_CODE(_SetChannel);
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
if (!pcmd)
return;
pparm = kmalloc(sizeof(*pparm), GFP_ATOMIC);
if (!pparm) {
kfree(pcmd);
return;
}
pparm->curr_ch = pAdapter->mppriv.curr_ch;
init_h2fwcmd_w_parm_no_rsp(pcmd, pparm, code);
r8712_enqueue_cmd(pcmdpriv, pcmd);
}
static void SetCCKTxPower(struct _adapter *pAdapter, u8 TxPower)
{
u16 TxAGC = 0;
TxAGC = TxPower;
set_bb_reg(pAdapter, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
}
static void SetOFDMTxPower(struct _adapter *pAdapter, u8 TxPower)
{
u32 TxAGC = 0;
TxAGC |= ((TxPower << 24) | (TxPower << 16) | (TxPower << 8) |
TxPower);
set_bb_reg(pAdapter, rTxAGC_Rate18_06, bTxAGCRate18_06, TxAGC);
set_bb_reg(pAdapter, rTxAGC_Rate54_24, bTxAGCRate54_24, TxAGC);
set_bb_reg(pAdapter, rTxAGC_Mcs03_Mcs00, bTxAGCRateMCS3_MCS0, TxAGC);
set_bb_reg(pAdapter, rTxAGC_Mcs07_Mcs04, bTxAGCRateMCS7_MCS4, TxAGC);
set_bb_reg(pAdapter, rTxAGC_Mcs11_Mcs08, bTxAGCRateMCS11_MCS8, TxAGC);
set_bb_reg(pAdapter, rTxAGC_Mcs15_Mcs12, bTxAGCRateMCS15_MCS12, TxAGC);
}
void r8712_SetTxPower(struct _adapter *pAdapter)
{
u8 TxPower = pAdapter->mppriv.curr_txpoweridx;
SetCCKTxPower(pAdapter, TxPower);
SetOFDMTxPower(pAdapter, TxPower);
}
void r8712_SetTxAGCOffset(struct _adapter *pAdapter, u32 ulTxAGCOffset)
{
u32 TxAGCOffset_B, TxAGCOffset_C, TxAGCOffset_D, tmpAGC;
TxAGCOffset_B = ulTxAGCOffset & 0x000000ff;
TxAGCOffset_C = (ulTxAGCOffset & 0x0000ff00) >> 8;
TxAGCOffset_D = (ulTxAGCOffset & 0x00ff0000) >> 16;
tmpAGC = TxAGCOffset_D << 8 | TxAGCOffset_C << 4 | TxAGCOffset_B;
set_bb_reg(pAdapter, rFPGA0_TxGainStage,
(bXBTxAGC | bXCTxAGC | bXDTxAGC), tmpAGC);
}
void r8712_SetDataRate(struct _adapter *pAdapter)
{
u8 path = RF_PATH_A;
u8 offset = RF_SYN_G2;
u32 value;
value = (pAdapter->mppriv.curr_rateidx < 4) ? 0x4440 : 0xF200;
r8712_rf_reg_write(pAdapter, path, offset, value);
}
void r8712_SwitchBandwidth(struct _adapter *pAdapter)
{
/* 3 1.Set MAC register : BWOPMODE bit2:1 20MhzBW */
u8 regBwOpMode = 0;
u8 Bandwidth = pAdapter->mppriv.curr_bandwidth;
regBwOpMode = r8712_read8(pAdapter, 0x10250203);
if (Bandwidth == HT_CHANNEL_WIDTH_20)
regBwOpMode |= BIT(2);
else
regBwOpMode &= ~(BIT(2));
r8712_write8(pAdapter, 0x10250203, regBwOpMode);
/* 3 2.Set PHY related register */
switch (Bandwidth) {
/* 20 MHz channel*/
case HT_CHANNEL_WIDTH_20:
set_bb_reg(pAdapter, rFPGA0_RFMOD, bRFMOD, 0x0);
set_bb_reg(pAdapter, rFPGA1_RFMOD, bRFMOD, 0x0);
/* Use PHY_REG.txt default value. Do not need to change.
* Correct the tx power for CCK rate in 40M.
* It is set in Tx descriptor for 8192x series
*/
set_bb_reg(pAdapter, rFPGA0_AnalogParameter2, bMaskDWord, 0x58);
break;
/* 40 MHz channel*/
case HT_CHANNEL_WIDTH_40:
set_bb_reg(pAdapter, rFPGA0_RFMOD, bRFMOD, 0x1);
set_bb_reg(pAdapter, rFPGA1_RFMOD, bRFMOD, 0x1);
/* Use PHY_REG.txt default value. Do not need to change.
* Correct the tx power for CCK rate in 40M.
* Set Control channel to upper or lower. These settings are
* required only for 40MHz
*/
set_bb_reg(pAdapter, rCCK0_System, bCCKSideBand,
(HAL_PRIME_CHNL_OFFSET_DONT_CARE >> 1));
set_bb_reg(pAdapter, rOFDM1_LSTF, 0xC00,
HAL_PRIME_CHNL_OFFSET_DONT_CARE);
set_bb_reg(pAdapter, rFPGA0_AnalogParameter2, bMaskDWord, 0x18);
break;
default:
break;
}
/* 3 3.Set RF related register */
switch (Bandwidth) {
case HT_CHANNEL_WIDTH_20:
set_rf_reg(pAdapter, RF_PATH_A, RF_CHNLBW,
BIT(10) | BIT(11), 0x01);
break;
case HT_CHANNEL_WIDTH_40:
set_rf_reg(pAdapter, RF_PATH_A, RF_CHNLBW,
BIT(10) | BIT(11), 0x00);
break;
default:
break;
}
}
/*------------------------------Define structure----------------------------*/
struct R_ANTENNA_SELECT_OFDM {
u32 r_tx_antenna:4;
u32 r_ant_l:4;
u32 r_ant_non_ht:4;
u32 r_ant_ht1:4;
u32 r_ant_ht2:4;
u32 r_ant_ht_s1:4;
u32 r_ant_non_ht_s1:4;
u32 OFDM_TXSC:2;
u32 Reserved:2;
};
struct R_ANTENNA_SELECT_CCK {
u8 r_cckrx_enable_2:2;
u8 r_cckrx_enable:2;
u8 r_ccktx_enable:4;
};
void r8712_SwitchAntenna(struct _adapter *pAdapter)
{
u32 ofdm_tx_en_val = 0, ofdm_tx_ant_sel_val = 0;
u8 ofdm_rx_ant_sel_val = 0;
u8 cck_ant_select_val = 0;
u32 cck_ant_sel_val = 0;
struct R_ANTENNA_SELECT_CCK *p_cck_txrx;
p_cck_txrx = (struct R_ANTENNA_SELECT_CCK *)&cck_ant_select_val;
switch (pAdapter->mppriv.antenna_tx) {
case ANTENNA_A:
/* From SD3 Willis suggestion !!! Set RF A=TX and B as standby*/
set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 2);
set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 1);
ofdm_tx_en_val = 0x3;
ofdm_tx_ant_sel_val = 0x11111111;/* Power save */
p_cck_txrx->r_ccktx_enable = 0x8;
break;
case ANTENNA_B:
set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 1);
set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 2);
ofdm_tx_en_val = 0x3;
ofdm_tx_ant_sel_val = 0x22222222;/* Power save */
p_cck_txrx->r_ccktx_enable = 0x4;
break;
case ANTENNA_AB: /* For 8192S */
set_bb_reg(pAdapter, rFPGA0_XA_HSSIParameter2, 0xe, 2);
set_bb_reg(pAdapter, rFPGA0_XB_HSSIParameter2, 0xe, 2);
ofdm_tx_en_val = 0x3;
ofdm_tx_ant_sel_val = 0x3321333; /* Disable Power save */
p_cck_txrx->r_ccktx_enable = 0xC;
break;
default:
break;
}
/*OFDM Tx*/
set_bb_reg(pAdapter, rFPGA1_TxInfo, 0xffffffff, ofdm_tx_ant_sel_val);
/*OFDM Tx*/
set_bb_reg(pAdapter, rFPGA0_TxInfo, 0x0000000f, ofdm_tx_en_val);
switch (pAdapter->mppriv.antenna_rx) {
case ANTENNA_A:
ofdm_rx_ant_sel_val = 0x1; /* A */
p_cck_txrx->r_cckrx_enable = 0x0; /* default: A */
p_cck_txrx->r_cckrx_enable_2 = 0x0; /* option: A */
break;
case ANTENNA_B:
ofdm_rx_ant_sel_val = 0x2; /* B */
p_cck_txrx->r_cckrx_enable = 0x1; /* default: B */
p_cck_txrx->r_cckrx_enable_2 = 0x1; /* option: B */
break;
case ANTENNA_AB:
ofdm_rx_ant_sel_val = 0x3; /* AB */
p_cck_txrx->r_cckrx_enable = 0x0; /* default:A */
p_cck_txrx->r_cckrx_enable_2 = 0x1; /* option:B */
break;
default:
break;
}
/*OFDM Rx*/
set_bb_reg(pAdapter, rOFDM0_TRxPathEnable, 0x0000000f,
ofdm_rx_ant_sel_val);
/*OFDM Rx*/
set_bb_reg(pAdapter, rOFDM1_TRxPathEnable, 0x0000000f,
ofdm_rx_ant_sel_val);
cck_ant_sel_val = cck_ant_select_val;
/*CCK TxRx*/
set_bb_reg(pAdapter, rCCK0_AFESetting, bMaskByte3, cck_ant_sel_val);
}
static void TriggerRFThermalMeter(struct _adapter *pAdapter)
{
/* 0x24: RF Reg[6:5] */
set_rf_reg(pAdapter, RF_PATH_A, RF_T_METER, bRFRegOffsetMask, 0x60);
}
static u32 ReadRFThermalMeter(struct _adapter *pAdapter)
{
/* 0x24: RF Reg[4:0] */
return get_rf_reg(pAdapter, RF_PATH_A, RF_T_METER, 0x1F);
}
void r8712_GetThermalMeter(struct _adapter *pAdapter, u32 *value)
{
TriggerRFThermalMeter(pAdapter);
msleep(1000);
*value = ReadRFThermalMeter(pAdapter);
}
void r8712_SetSingleCarrierTx(struct _adapter *pAdapter, u8 bStart)
{
if (bStart) { /* Start Single Carrier. */
/* 1. if OFDM block on? */
if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn))
/*set OFDM block on*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
/* 2. set CCK test mode off, set to CCK normal mode */
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, bDisable);
/* 3. turn on scramble setting */
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
/* 4. Turn On Single Carrier Tx and off the other test modes. */
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bEnable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
} else { /* Stop Single Carrier.*/
/* Turn off all test modes.*/
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
msleep(20);
/*BB Reset*/
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
}
}
void r8712_SetSingleToneTx(struct _adapter *pAdapter, u8 bStart)
{
u8 rfPath;
switch (pAdapter->mppriv.antenna_tx) {
case ANTENNA_B:
rfPath = RF_PATH_B;
break;
case ANTENNA_A:
default:
rfPath = RF_PATH_A;
break;
}
if (bStart) { /* Start Single Tone.*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bDisable);
set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bDisable);
set_rf_reg(pAdapter, rfPath, RF_TX_G2, bRFRegOffsetMask,
0xd4000);
msleep(100);
/* PAD all on.*/
set_rf_reg(pAdapter, rfPath, RF_AC, bRFRegOffsetMask, 0x2001f);
msleep(100);
} else { /* Stop Single Tone.*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bEnable);
set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
set_rf_reg(pAdapter, rfPath, RF_TX_G2, bRFRegOffsetMask,
0x54000);
msleep(100);
/* PAD all on.*/
set_rf_reg(pAdapter, rfPath, RF_AC, bRFRegOffsetMask, 0x30000);
msleep(100);
}
}
void r8712_SetCarrierSuppressionTx(struct _adapter *pAdapter, u8 bStart)
{
if (bStart) { /* Start Carrier Suppression.*/
if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M) {
/* 1. if CCK block on? */
if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn)) {
/*set CCK block on*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn,
bEnable);
}
/* Turn Off All Test Mode */
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx,
bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone,
bDisable);
/*transmit mode*/
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x2);
/*turn off scramble setting*/
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble,
bDisable);
/*Set CCK Tx Test Rate*/
/*Set FTxRate to 1Mbps*/
set_bb_reg(pAdapter, rCCK0_System, bCCKTxRate, 0x0);
}
} else { /* Stop Carrier Suppression. */
if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M) {
/*normal mode*/
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x0);
/*turn on scramble setting*/
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble,
bEnable);
/*BB Reset*/
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
}
}
}
static void SetCCKContinuousTx(struct _adapter *pAdapter, u8 bStart)
{
u32 cckrate;
if (bStart) {
/* 1. if CCK block on? */
if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn)) {
/*set CCK block on*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bCCKEn, bEnable);
}
/* Turn Off All Test Mode */
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
/*Set CCK Tx Test Rate*/
cckrate = pAdapter->mppriv.curr_rateidx;
set_bb_reg(pAdapter, rCCK0_System, bCCKTxRate, cckrate);
/*transmit mode*/
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x2);
/*turn on scramble setting*/
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
} else {
/*normal mode*/
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, 0x0);
/*turn on scramble setting*/
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
/*BB Reset*/
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
}
} /* mpt_StartCckContTx */
static void SetOFDMContinuousTx(struct _adapter *pAdapter, u8 bStart)
{
if (bStart) {
/* 1. if OFDM block on? */
if (!get_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn)) {
/*set OFDM block on*/
set_bb_reg(pAdapter, rFPGA0_RFMOD, bOFDMEn, bEnable);
}
/* 2. set CCK test mode off, set to CCK normal mode*/
set_bb_reg(pAdapter, rCCK0_System, bCCKBBMode, bDisable);
/* 3. turn on scramble setting */
set_bb_reg(pAdapter, rCCK0_System, bCCKScramble, bEnable);
/* 4. Turn On Continue Tx and turn off the other test modes.*/
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bEnable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
} else {
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMContinueTx, bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleCarrier,
bDisable);
set_bb_reg(pAdapter, rOFDM1_LSTF, bOFDMSingleTone, bDisable);
msleep(20);
/*BB Reset*/
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x0);
set_bb_reg(pAdapter, rPMAC_Reset, bBBResetB, 0x1);
}
} /* mpt_StartOfdmContTx */
void r8712_SetContinuousTx(struct _adapter *pAdapter, u8 bStart)
{
/* ADC turn off [bit24-21] adc port0 ~ port1 */
if (bStart) {
r8712_bb_reg_write(pAdapter, rRx_Wait_CCCA,
r8712_bb_reg_read(pAdapter,
rRx_Wait_CCCA) & 0xFE1FFFFF);
msleep(100);
}
if (pAdapter->mppriv.curr_rateidx <= MPT_RATE_11M)
SetCCKContinuousTx(pAdapter, bStart);
else if ((pAdapter->mppriv.curr_rateidx >= MPT_RATE_6M) &&
(pAdapter->mppriv.curr_rateidx <= MPT_RATE_MCS15))
SetOFDMContinuousTx(pAdapter, bStart);
/* ADC turn on [bit24-21] adc port0 ~ port1 */
if (!bStart)
r8712_bb_reg_write(pAdapter, rRx_Wait_CCCA,
r8712_bb_reg_read(pAdapter,
rRx_Wait_CCCA) | 0x01E00000);
}
void r8712_ResetPhyRxPktCount(struct _adapter *pAdapter)
{
u32 i, phyrx_set = 0;
for (i = OFDM_PPDU_BIT; i <= HT_MPDU_FAIL_BIT; i++) {
phyrx_set = 0;
phyrx_set |= (i << 28); /*select*/
phyrx_set |= 0x08000000; /* set counter to zero*/
r8712_write32(pAdapter, RXERR_RPT, phyrx_set);
}
}
static u32 GetPhyRxPktCounts(struct _adapter *pAdapter, u32 selbit)
{
/*selection*/
u32 phyrx_set = 0;
u32 SelectBit;
SelectBit = selbit << 28;
phyrx_set |= (SelectBit & 0xF0000000);
r8712_write32(pAdapter, RXERR_RPT, phyrx_set);
/*Read packet count*/
return r8712_read32(pAdapter, RXERR_RPT) & RPTMaxCount;
}
u32 r8712_GetPhyRxPktReceived(struct _adapter *pAdapter)
{
u32 OFDM_cnt = GetPhyRxPktCounts(pAdapter, OFDM_MPDU_OK_BIT);
u32 CCK_cnt = GetPhyRxPktCounts(pAdapter, CCK_MPDU_OK_BIT);
u32 HT_cnt = GetPhyRxPktCounts(pAdapter, HT_MPDU_OK_BIT);
return OFDM_cnt + CCK_cnt + HT_cnt;
}
u32 r8712_GetPhyRxPktCRC32Error(struct _adapter *pAdapter)
{
u32 OFDM_cnt = GetPhyRxPktCounts(pAdapter, OFDM_MPDU_FAIL_BIT);
u32 CCK_cnt = GetPhyRxPktCounts(pAdapter, CCK_MPDU_FAIL_BIT);
u32 HT_cnt = GetPhyRxPktCounts(pAdapter, HT_MPDU_FAIL_BIT);
return OFDM_cnt + CCK_cnt + HT_cnt;
}
| linux-master | drivers/staging/rtl8712/rtl871x_mp.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* recv_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RECV_OSDEP_C_
#include <linux/usb.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include "recv_osdep.h"
#include "osdep_intf.h"
#include "ethernet.h"
#include <linux/if_arp.h>
#include "usb_ops.h"
/*init os related resource in struct recv_priv*/
/*alloc os related resource in union recv_frame*/
void r8712_os_recv_resource_alloc(struct _adapter *padapter,
union recv_frame *precvframe)
{
precvframe->u.hdr.pkt_newalloc = NULL;
precvframe->u.hdr.pkt = NULL;
}
/*alloc os related resource in struct recv_buf*/
int r8712_os_recvbuf_resource_alloc(struct _adapter *padapter,
struct recv_buf *precvbuf)
{
int res = 0;
precvbuf->irp_pending = false;
precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
if (!precvbuf->purb)
res = -ENOMEM;
precvbuf->pskb = NULL;
precvbuf->pallocated_buf = NULL;
precvbuf->pbuf = NULL;
precvbuf->pdata = NULL;
precvbuf->phead = NULL;
precvbuf->ptail = NULL;
precvbuf->pend = NULL;
precvbuf->transfer_len = 0;
precvbuf->len = 0;
return res;
}
/*free os related resource in struct recv_buf*/
void r8712_os_recvbuf_resource_free(struct _adapter *padapter,
struct recv_buf *precvbuf)
{
if (precvbuf->pskb)
dev_kfree_skb_any(precvbuf->pskb);
if (precvbuf->purb) {
usb_kill_urb(precvbuf->purb);
usb_free_urb(precvbuf->purb);
}
}
void r8712_handle_tkip_mic_err(struct _adapter *adapter, u8 bgroup)
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
memset(&ev, 0x00, sizeof(ev));
if (bgroup)
ev.flags |= IW_MICFAILURE_GROUP;
else
ev.flags |= IW_MICFAILURE_PAIRWISE;
ev.src_addr.sa_family = ARPHRD_ETHER;
ether_addr_copy(ev.src_addr.sa_data, &mlmepriv->assoc_bssid[0]);
memset(&wrqu, 0x00, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(adapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu,
(char *)&ev);
}
void r8712_recv_indicatepkt(struct _adapter *adapter,
union recv_frame *recvframe)
{
struct recv_priv *recvpriv;
struct __queue *free_recv_queue;
_pkt *skb;
struct rx_pkt_attrib *attrib = &recvframe->u.hdr.attrib;
recvpriv = &adapter->recvpriv;
free_recv_queue = &recvpriv->free_recv_queue;
skb = recvframe->u.hdr.pkt;
if (!skb)
goto _recv_indicatepkt_drop;
skb->data = recvframe->u.hdr.rx_data;
skb->len = recvframe->u.hdr.len;
skb_set_tail_pointer(skb, skb->len);
if ((attrib->tcpchk_valid == 1) && (attrib->tcp_chkrpt == 1))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
skb->dev = adapter->pnetdev;
skb->protocol = eth_type_trans(skb, adapter->pnetdev);
netif_rx(skb);
recvframe->u.hdr.pkt = NULL; /* pointers to NULL before
* r8712_free_recvframe()
*/
r8712_free_recvframe(recvframe, free_recv_queue);
return;
_recv_indicatepkt_drop:
/*enqueue back to free_recv_queue*/
if (recvframe)
r8712_free_recvframe(recvframe, free_recv_queue);
recvpriv->rx_drop++;
}
static void _r8712_reordering_ctrl_timeout_handler (struct timer_list *t)
{
struct recv_reorder_ctrl *reorder_ctrl =
from_timer(reorder_ctrl, t, reordering_ctrl_timer);
r8712_reordering_ctrl_timeout_handler(reorder_ctrl);
}
void r8712_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
{
timer_setup(&preorder_ctrl->reordering_ctrl_timer,
_r8712_reordering_ctrl_timeout_handler, 0);
}
| linux-master | drivers/staging/rtl8712/recv_linux.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_ioctl_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_IOCTL_LINUX_C_
#define _RTL871X_MP_IOCTL_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "wlan_bssdef.h"
#include "rtl871x_debug.h"
#include "wifi.h"
#include "rtl871x_mlme.h"
#include "rtl871x_ioctl.h"
#include "rtl871x_ioctl_set.h"
#include "rtl871x_mp_ioctl.h"
#include "mlme_osdep.h"
#include <linux/wireless.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/semaphore.h>
#include <net/iw_handler.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#define RTL_IOCTL_WPA_SUPPLICANT (SIOCIWFIRSTPRIV + 0x1E)
#define SCAN_ITEM_SIZE 768
#define MAX_CUSTOM_LEN 64
#define RATE_COUNT 4
static const u32 rtl8180_rates[] = {1000000, 2000000, 5500000, 11000000,
6000000, 9000000, 12000000, 18000000,
24000000, 36000000, 48000000, 54000000};
static const long ieee80211_wlan_frequencies[] = {
2412, 2417, 2422, 2427,
2432, 2437, 2442, 2447,
2452, 2457, 2462, 2467,
2472, 2484
};
void r8712_indicate_wx_assoc_event(struct _adapter *padapter)
{
union iwreq_data wrqu;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(wrqu.ap_addr.sa_data, pmlmepriv->cur_network.network.MacAddress,
ETH_ALEN);
wireless_send_event(padapter->pnetdev, SIOCGIWAP, &wrqu, NULL);
}
void r8712_indicate_wx_disassoc_event(struct _adapter *padapter)
{
union iwreq_data wrqu;
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
eth_zero_addr(wrqu.ap_addr.sa_data);
wireless_send_event(padapter->pnetdev, SIOCGIWAP, &wrqu, NULL);
}
static inline void handle_pairwise_key(struct sta_info *psta,
struct ieee_param *param,
struct _adapter *padapter)
{
/* pairwise key */
memcpy(psta->x_UncstKey.skey, param->u.crypt.key,
(param->u.crypt. key_len > 16 ? 16 : param->u.crypt.key_len));
if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
memcpy(psta->tkiptxmickey. skey,
¶m->u.crypt.key[16], 8);
memcpy(psta->tkiprxmickey. skey,
¶m->u.crypt.key[24], 8);
padapter->securitypriv. busetkipkey = false;
mod_timer(&padapter->securitypriv.tkip_timer,
jiffies + msecs_to_jiffies(50));
}
r8712_setstakey_cmd(padapter, (unsigned char *)psta, true);
}
static inline void handle_group_key(struct ieee_param *param,
struct _adapter *padapter)
{
union Keytype *gk = padapter->securitypriv.XGrpKey;
union Keytype *gtk = padapter->securitypriv.XGrptxmickey;
union Keytype *grk = padapter->securitypriv.XGrprxmickey;
if (param->u.crypt.idx > 0 &&
param->u.crypt.idx < 3) {
/* group key idx is 1 or 2 */
memcpy(gk[param->u.crypt.idx - 1].skey,
param->u.crypt.key,
(param->u.crypt.key_len > 16 ? 16 :
param->u.crypt.key_len));
memcpy(gtk[param->u.crypt.idx - 1].skey,
¶m->u.crypt.key[16], 8);
memcpy(grk[param->u.crypt.idx - 1].skey,
¶m->u.crypt.key[24], 8);
padapter->securitypriv.binstallGrpkey = true;
r8712_set_key(padapter, &padapter->securitypriv,
param->u.crypt.idx);
if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE) {
if (padapter->registrypriv.power_mgnt !=
padapter->pwrctrlpriv.pwr_mode)
mod_timer(&padapter->mlmepriv.dhcp_timer,
jiffies + msecs_to_jiffies(60000));
}
}
}
static noinline_for_stack char *translate_scan_wpa(struct iw_request_info *info,
struct wlan_network *pnetwork,
struct iw_event *iwe,
char *start, char *stop)
{
/* parsing WPA/WPA2 IE */
u8 buf[MAX_WPA_IE_LEN];
u8 wpa_ie[255], rsn_ie[255];
u16 wpa_len = 0, rsn_len = 0;
int n, i;
r8712_get_sec_ie(pnetwork->network.IEs,
pnetwork->network.IELength, rsn_ie, &rsn_len,
wpa_ie, &wpa_len);
if (wpa_len > 0) {
memset(buf, 0, MAX_WPA_IE_LEN);
n = sprintf(buf, "wpa_ie=");
for (i = 0; i < wpa_len; i++) {
n += scnprintf(buf + n, MAX_WPA_IE_LEN - n,
"%02x", wpa_ie[i]);
if (n == MAX_WPA_IE_LEN - 1)
break;
}
memset(iwe, 0, sizeof(*iwe));
iwe->cmd = IWEVCUSTOM;
iwe->u.data.length = (u16)strlen(buf);
start = iwe_stream_add_point(info, start, stop,
iwe, buf);
memset(iwe, 0, sizeof(*iwe));
iwe->cmd = IWEVGENIE;
iwe->u.data.length = (u16)wpa_len;
start = iwe_stream_add_point(info, start, stop,
iwe, wpa_ie);
}
if (rsn_len > 0) {
memset(buf, 0, MAX_WPA_IE_LEN);
n = sprintf(buf, "rsn_ie=");
for (i = 0; i < rsn_len; i++) {
n += scnprintf(buf + n, MAX_WPA_IE_LEN - n,
"%02x", rsn_ie[i]);
if (n == MAX_WPA_IE_LEN - 1)
break;
}
memset(iwe, 0, sizeof(*iwe));
iwe->cmd = IWEVCUSTOM;
iwe->u.data.length = strlen(buf);
start = iwe_stream_add_point(info, start, stop,
iwe, buf);
memset(iwe, 0, sizeof(*iwe));
iwe->cmd = IWEVGENIE;
iwe->u.data.length = rsn_len;
start = iwe_stream_add_point(info, start, stop, iwe,
rsn_ie);
}
return start;
}
static noinline_for_stack char *translate_scan_wps(struct iw_request_info *info,
struct wlan_network *pnetwork,
struct iw_event *iwe,
char *start, char *stop)
{
/* parsing WPS IE */
u8 wps_ie[512];
uint wps_ielen;
if (r8712_get_wps_ie(pnetwork->network.IEs,
pnetwork->network.IELength,
wps_ie, &wps_ielen)) {
if (wps_ielen > 2) {
iwe->cmd = IWEVGENIE;
iwe->u.data.length = (u16)wps_ielen;
start = iwe_stream_add_point(info, start, stop,
iwe, wps_ie);
}
}
return start;
}
static char *translate_scan(struct _adapter *padapter,
struct iw_request_info *info,
struct wlan_network *pnetwork,
char *start, char *stop)
{
struct iw_event iwe;
char *current_val;
s8 *p;
u32 i = 0, ht_ielen = 0;
u16 cap, ht_cap = false;
u8 rssi;
if ((pnetwork->network.Configuration.DSConfig < 1) ||
(pnetwork->network.Configuration.DSConfig > 14)) {
if (pnetwork->network.Configuration.DSConfig < 1)
pnetwork->network.Configuration.DSConfig = 1;
else
pnetwork->network.Configuration.DSConfig = 14;
}
/* AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
ether_addr_copy(iwe.u.ap_addr.sa_data, pnetwork->network.MacAddress);
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
/* Add the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
iwe.u.data.length = min_t(u32, pnetwork->network.Ssid.SsidLength, 32);
start = iwe_stream_add_point(info, start, stop, &iwe,
pnetwork->network.Ssid.Ssid);
/* parsing HT_CAP_IE */
p = r8712_get_ie(&pnetwork->network.IEs[12], WLAN_EID_HT_CAPABILITY,
&ht_ielen, pnetwork->network.IELength - 12);
if (p && ht_ielen > 0)
ht_cap = true;
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
if (r8712_is_cckratesonly_included(pnetwork->network.rates)) {
if (ht_cap)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11b");
} else if (r8712_is_cckrates_included(pnetwork->network.rates)) {
if (ht_cap)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bgn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bg");
} else {
if (ht_cap)
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
else
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
}
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
memcpy((u8 *)&cap, r8712_get_capability_from_ie(pnetwork->network.IEs),
2);
le16_to_cpus(&cap);
if (cap & (WLAN_CAPABILITY_IBSS | WLAN_CAPABILITY_ESS)) {
if (cap & WLAN_CAPABILITY_ESS)
iwe.u.mode = (u32)IW_MODE_MASTER;
else
iwe.u.mode = (u32)IW_MODE_ADHOC;
start = iwe_stream_add_event(info, start, stop, &iwe,
IW_EV_UINT_LEN);
}
/* Add frequency/channel */
iwe.cmd = SIOCGIWFREQ;
{
/* check legal index */
u8 dsconfig = pnetwork->network.Configuration.DSConfig;
if (dsconfig >= 1 && dsconfig <= sizeof(
ieee80211_wlan_frequencies) / sizeof(long))
iwe.u.freq.m =
(s32)(ieee80211_wlan_frequencies
[dsconfig - 1] * 100000);
else
iwe.u.freq.m = 0;
}
iwe.u.freq.e = (s16)1;
iwe.u.freq.i = (u8)pnetwork->network.Configuration.DSConfig;
start = iwe_stream_add_event(info, start, stop, &iwe,
IW_EV_FREQ_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (cap & WLAN_CAPABILITY_PRIVACY)
iwe.u.data.flags = (u16)(IW_ENCODE_ENABLED |
IW_ENCODE_NOKEY);
else
iwe.u.data.flags = (u16)(IW_ENCODE_DISABLED);
iwe.u.data.length = (u16)0;
start = iwe_stream_add_point(info, start, stop, &iwe,
pnetwork->network.Ssid.Ssid);
/*Add basic and extended rates */
current_val = start + iwe_stream_lcp_len(info);
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = 0;
iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = 0;
i = 0;
while (pnetwork->network.rates[i] != 0) {
/* Bit rate given in 500 kb/s units */
iwe.u.bitrate.value = (pnetwork->network.rates[i++] &
0x7F) * 500000;
current_val = iwe_stream_add_value(info, start, current_val,
stop, &iwe, IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if ((current_val - start) > iwe_stream_lcp_len(info))
start = current_val;
start = translate_scan_wpa(info, pnetwork, &iwe, start, stop);
start = translate_scan_wps(info, pnetwork, &iwe, start, stop);
/* Add quality statistics */
iwe.cmd = IWEVQUAL;
rssi = r8712_signal_scale_mapping(pnetwork->network.Rssi);
/* we only update signal_level (signal strength) that is rssi. */
iwe.u.qual.updated = (u8)(IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_UPDATED |
IW_QUAL_NOISE_INVALID);
iwe.u.qual.level = rssi; /* signal strength */
iwe.u.qual.qual = 0; /* signal quality */
iwe.u.qual.noise = 0; /* noise level */
start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
/* how to translate rssi to ?% */
return start;
}
static int wpa_set_auth_algs(struct net_device *dev, u32 value)
{
struct _adapter *padapter = netdev_priv(dev);
int ret = 0;
if ((value & AUTH_ALG_SHARED_KEY) && (value & AUTH_ALG_OPEN_SYSTEM)) {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeAutoSwitch;
padapter->securitypriv.AuthAlgrthm = 3;
} else if (value & AUTH_ALG_SHARED_KEY) {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeShared;
padapter->securitypriv.AuthAlgrthm = 1;
} else if (value & AUTH_ALG_OPEN_SYSTEM) {
if (padapter->securitypriv.ndisauthtype <
Ndis802_11AuthModeWPAPSK) {
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeOpen;
padapter->securitypriv.AuthAlgrthm = 0;
}
} else {
ret = -EINVAL;
}
return ret;
}
static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
u32 param_len)
{
int ret = 0;
u32 wep_key_idx, wep_key_len = 0;
struct NDIS_802_11_WEP *pwep = NULL;
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
param->u.crypt.err = 0;
param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len != (u32)((u8 *) param->u.crypt.key - (u8 *)param) +
param->u.crypt.key_len)
return -EINVAL;
if (!is_broadcast_ether_addr(param->sta_addr))
return -EINVAL;
if (param->u.crypt.idx >= WEP_KEYS) {
/* for large key indices, set the default (0) */
param->u.crypt.idx = 0;
}
if (strcmp(param->u.crypt.alg, "WEP") == 0) {
netdev_info(dev, "r8712u: %s: crypt.alg = WEP\n", __func__);
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.XGrpPrivacy = _WEP40_;
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
if (wep_key_idx >= WEP_KEYS)
wep_key_idx = 0;
if (wep_key_len <= 0)
return -EINVAL;
wep_key_len = wep_key_len <= 5 ? 5 : 13;
pwep = kzalloc(sizeof(*pwep), GFP_ATOMIC);
if (!pwep)
return -ENOMEM;
pwep->KeyLength = wep_key_len;
pwep->Length = wep_key_len +
offsetof(struct NDIS_802_11_WEP, KeyMaterial);
if (wep_key_len == 13) {
padapter->securitypriv.PrivacyAlgrthm = _WEP104_;
padapter->securitypriv.XGrpPrivacy = _WEP104_;
}
pwep->KeyIndex = wep_key_idx;
pwep->KeyIndex |= 0x80000000;
memcpy(pwep->KeyMaterial, param->u.crypt.key, pwep->KeyLength);
if (param->u.crypt.set_tx) {
if (r8712_set_802_11_add_wep(padapter, pwep))
ret = -EOPNOTSUPP;
} else {
/* don't update "psecuritypriv->PrivacyAlgrthm" and
* "psecuritypriv->PrivacyKeyIndex=keyid", but can
* r8712_set_key to fw/cam
*/
if (wep_key_idx >= WEP_KEYS) {
ret = -EOPNOTSUPP;
goto exit;
}
memcpy(&psecuritypriv->DefKey[wep_key_idx].skey[0],
pwep->KeyMaterial,
pwep->KeyLength);
psecuritypriv->DefKeylen[wep_key_idx] =
pwep->KeyLength;
r8712_set_key(padapter, psecuritypriv, wep_key_idx);
}
goto exit;
}
if (padapter->securitypriv.AuthAlgrthm == 2) { /* 802_1x */
struct sta_info *psta, *pbcmc_sta;
struct sta_priv *pstapriv = &padapter->stapriv;
struct security_priv *spriv = &padapter->securitypriv;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE |
WIFI_MP_STATE)) { /* sta mode */
psta = r8712_get_stainfo(pstapriv,
get_bssid(pmlmepriv));
if (psta) {
psta->ieee8021x_blocked = false;
if (spriv->ndisencryptstatus ==
Ndis802_11Encryption2Enabled ||
spriv->ndisencryptstatus ==
Ndis802_11Encryption3Enabled)
psta->XPrivacy = spriv->PrivacyAlgrthm;
if (param->u.crypt.set_tx == 1)
handle_pairwise_key(psta, param,
padapter);
else /* group key */
handle_group_key(param, padapter);
}
pbcmc_sta = r8712_get_bcmc_stainfo(padapter);
if (pbcmc_sta) {
pbcmc_sta->ieee8021x_blocked = false;
if (spriv->ndisencryptstatus ==
Ndis802_11Encryption2Enabled ||
spriv->ndisencryptstatus ==
Ndis802_11Encryption3Enabled)
pbcmc_sta->XPrivacy =
spriv->PrivacyAlgrthm;
}
}
}
exit:
kfree(pwep);
return ret;
}
static int r871x_set_wpa_ie(struct _adapter *padapter, char *pie,
unsigned short ielen)
{
u8 *buf = NULL;
int group_cipher = 0, pairwise_cipher = 0;
int ret = 0;
if (ielen > MAX_WPA_IE_LEN || !pie)
return -EINVAL;
if (ielen) {
buf = kmemdup(pie, ielen, GFP_ATOMIC);
if (!buf)
return -ENOMEM;
if (ielen < RSN_HEADER_LEN) {
ret = -EINVAL;
goto exit;
}
if (r8712_parse_wpa_ie(buf, ielen, &group_cipher,
&pairwise_cipher) == 0) {
padapter->securitypriv.AuthAlgrthm = 2;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPAPSK;
}
if (r8712_parse_wpa2_ie(buf, ielen, &group_cipher,
&pairwise_cipher) == 0) {
padapter->securitypriv.AuthAlgrthm = 2;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPA2PSK;
}
switch (group_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.XGrpPrivacy =
_NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.XGrpPrivacy = _WEP40_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.XGrpPrivacy = _TKIP_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.XGrpPrivacy = _AES_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.XGrpPrivacy = _WEP104_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
}
switch (pairwise_cipher) {
case WPA_CIPHER_NONE:
padapter->securitypriv.PrivacyAlgrthm =
_NO_PRIVACY_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
break;
case WPA_CIPHER_WEP40:
padapter->securitypriv.PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
case WPA_CIPHER_TKIP:
padapter->securitypriv.PrivacyAlgrthm = _TKIP_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption2Enabled;
break;
case WPA_CIPHER_CCMP:
padapter->securitypriv.PrivacyAlgrthm = _AES_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption3Enabled;
break;
case WPA_CIPHER_WEP104:
padapter->securitypriv.PrivacyAlgrthm = _WEP104_;
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
break;
}
padapter->securitypriv.wps_phase = false;
{/* set wps_ie */
u16 cnt = 0;
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
while (cnt < ielen) {
eid = buf[cnt];
if ((eid == WLAN_EID_VENDOR_SPECIFIC) &&
(!memcmp(&buf[cnt + 2], wps_oui, 4))) {
netdev_info(padapter->pnetdev, "r8712u: SET WPS_IE\n");
padapter->securitypriv.wps_ie_len =
((buf[cnt + 1] + 2) <
(MAX_WPA_IE_LEN << 2)) ?
(buf[cnt + 1] + 2) :
(MAX_WPA_IE_LEN << 2);
memcpy(padapter->securitypriv.wps_ie,
&buf[cnt],
padapter->securitypriv.wps_ie_len);
padapter->securitypriv.wps_phase =
true;
netdev_info(padapter->pnetdev, "r8712u: SET WPS_IE, wps_phase==true\n");
cnt += buf[cnt + 1] + 2;
break;
}
cnt += buf[cnt + 1] + 2;
}
}
}
exit:
kfree(buf);
return ret;
}
static int r8711_wx_get_name(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
u32 ht_ielen = 0;
char *p;
u8 ht_cap = false;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
u8 *prates;
if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE) ==
true) {
/* parsing HT_CAP_IE */
p = r8712_get_ie(&pcur_bss->IEs[12], WLAN_EID_HT_CAPABILITY,
&ht_ielen, pcur_bss->IELength - 12);
if (p && ht_ielen > 0)
ht_cap = true;
prates = pcur_bss->rates;
if (r8712_is_cckratesonly_included(prates)) {
if (ht_cap)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11b");
} else if (r8712_is_cckrates_included(prates)) {
if (ht_cap)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bgn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11bg");
} else {
if (ht_cap)
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11gn");
else
snprintf(wrqu->name, IFNAMSIZ,
"IEEE 802.11g");
}
} else {
snprintf(wrqu->name, IFNAMSIZ, "unassociated");
}
return 0;
}
static const long frequency_list[] = {
2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462,
2467, 2472, 2484, 4915, 4920, 4925, 4935, 4940, 4945, 4960, 4980,
5035, 5040, 5045, 5055, 5060, 5080, 5170, 5180, 5190, 5200, 5210,
5220, 5230, 5240, 5260, 5280, 5300, 5320, 5500, 5520, 5540, 5560,
5580, 5600, 5620, 5640, 5660, 5680, 5700, 5745, 5765, 5785, 5805,
5825
};
static int r8711_wx_set_freq(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_freq *fwrq = &wrqu->freq;
int rc = 0;
/* If setting by frequency, convert to a channel */
if ((fwrq->e == 1) &&
(fwrq->m >= 241200000) &&
(fwrq->m <= 248700000)) {
int f = fwrq->m / 100000;
int c = 0;
while ((c < 14) && (f != frequency_list[c]))
c++;
fwrq->e = 0;
fwrq->m = c + 1;
}
/* Setting by channel number */
if ((fwrq->m > 14) || (fwrq->e > 0)) {
rc = -EOPNOTSUPP;
} else {
int channel = fwrq->m;
if ((channel < 1) || (channel > 14)) {
rc = -EINVAL;
} else {
/* Yes ! We can set it !!! */
padapter->registrypriv.channel = channel;
}
}
return rc;
}
static int r8711_wx_get_freq(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
if (!check_fwstate(pmlmepriv, _FW_LINKED))
return -ENOLINK;
wrqu->freq.m = ieee80211_wlan_frequencies[
pcur_bss->Configuration.DSConfig - 1] * 100000;
wrqu->freq.e = 1;
wrqu->freq.i = pcur_bss->Configuration.DSConfig;
return 0;
}
static int r8711_wx_set_mode(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct _adapter *padapter = netdev_priv(dev);
enum NDIS_802_11_NETWORK_INFRASTRUCTURE networkType;
switch (wrqu->mode) {
case IW_MODE_AUTO:
networkType = Ndis802_11AutoUnknown;
break;
case IW_MODE_ADHOC:
networkType = Ndis802_11IBSS;
break;
case IW_MODE_MASTER:
networkType = Ndis802_11APMode;
break;
case IW_MODE_INFRA:
networkType = Ndis802_11Infrastructure;
break;
default:
return -EINVAL;
}
if (Ndis802_11APMode == networkType)
r8712_setopmode_cmd(padapter, networkType);
else
r8712_setopmode_cmd(padapter, Ndis802_11AutoUnknown);
r8712_set_802_11_infrastructure_mode(padapter, networkType);
return 0;
}
static int r8711_wx_get_mode(struct net_device *dev, struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
wrqu->mode = IW_MODE_INFRA;
else if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE))
wrqu->mode = IW_MODE_ADHOC;
else if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
wrqu->mode = IW_MODE_MASTER;
else
wrqu->mode = IW_MODE_AUTO;
return 0;
}
static int r871x_wx_set_pmkid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct iw_pmksa *pPMK = (struct iw_pmksa *) extra;
struct RT_PMKID_LIST *pl = psecuritypriv->PMKIDList;
u8 strZeroMacAddress[ETH_ALEN] = {0x00};
u8 strIssueBssid[ETH_ALEN] = {0x00};
u8 j, blInserted = false;
int intReturn = false;
/*
* There are the BSSID information in the bssid.sa_data array.
* If cmd is IW_PMKSA_FLUSH, it means the wpa_supplicant wants to clear
* all the PMKID information. If cmd is IW_PMKSA_ADD, it means the
* wpa_supplicant wants to add a PMKID/BSSID to driver.
* If cmd is IW_PMKSA_REMOVE, it means the wpa_supplicant wants to
* remove a PMKID/BSSID from driver.
*/
if (!pPMK)
return -EINVAL;
memcpy(strIssueBssid, pPMK->bssid.sa_data, ETH_ALEN);
switch (pPMK->cmd) {
case IW_PMKSA_ADD:
if (!memcmp(strIssueBssid, strZeroMacAddress, ETH_ALEN))
return intReturn;
intReturn = true;
blInserted = false;
/* overwrite PMKID */
for (j = 0; j < NUM_PMKID_CACHE; j++) {
if (!memcmp(pl[j].Bssid, strIssueBssid, ETH_ALEN)) {
/* BSSID is matched, the same AP => rewrite
* with new PMKID.
*/
netdev_info(dev, "r8712u: %s: BSSID exists in the PMKList.\n",
__func__);
memcpy(pl[j].PMKID, pPMK->pmkid, IW_PMKID_LEN);
pl[j].bUsed = true;
psecuritypriv->PMKIDIndex = j + 1;
blInserted = true;
break;
}
}
if (!blInserted) {
/* Find a new entry */
netdev_info(dev, "r8712u: %s: Use the new entry index = %d for this PMKID.\n",
__func__, psecuritypriv->PMKIDIndex);
memcpy(pl[psecuritypriv->PMKIDIndex].Bssid,
strIssueBssid, ETH_ALEN);
memcpy(pl[psecuritypriv->PMKIDIndex].PMKID,
pPMK->pmkid, IW_PMKID_LEN);
pl[psecuritypriv->PMKIDIndex].bUsed = true;
psecuritypriv->PMKIDIndex++;
if (psecuritypriv->PMKIDIndex == NUM_PMKID_CACHE)
psecuritypriv->PMKIDIndex = 0;
}
break;
case IW_PMKSA_REMOVE:
intReturn = true;
for (j = 0; j < NUM_PMKID_CACHE; j++) {
if (!memcmp(pl[j].Bssid, strIssueBssid, ETH_ALEN)) {
/* BSSID is matched, the same AP => Remove
* this PMKID information and reset it.
*/
eth_zero_addr(pl[j].Bssid);
pl[j].bUsed = false;
break;
}
}
break;
case IW_PMKSA_FLUSH:
memset(psecuritypriv->PMKIDList, 0,
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
psecuritypriv->PMKIDIndex = 0;
intReturn = true;
break;
default:
netdev_info(dev, "r8712u: %s: unknown Command\n", __func__);
intReturn = false;
break;
}
return intReturn;
}
static int r8711_wx_get_sens(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
wrqu->sens.value = 0;
wrqu->sens.fixed = 0; /* no auto select */
wrqu->sens.disabled = 1;
return 0;
}
static int r8711_wx_get_range(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_range *range = (struct iw_range *)extra;
u16 val;
int i;
wrqu->data.length = sizeof(*range);
memset(range, 0, sizeof(*range));
/* Let's try to keep this struct in the same order as in
* linux/include/wireless.h
*/
/* TODO: See what values we can set, and remove the ones we can't
* set, or fill them with some default data.
*/
/* ~5 Mb/s real (802.11b) */
range->throughput = 5 * 1000 * 1000;
/* TODO: 8711 sensitivity ? */
/* signal level threshold range */
/* percent values between 0 and 100. */
range->max_qual.qual = 100;
range->max_qual.level = 100;
range->max_qual.noise = 100;
range->max_qual.updated = 7; /* Updated all three */
range->avg_qual.qual = 92; /* > 8% missed beacons is 'bad' */
/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
range->avg_qual.level = 0x100 - 78;
range->avg_qual.noise = 0;
range->avg_qual.updated = 7; /* Updated all three */
range->num_bitrates = RATE_COUNT;
for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++)
range->bitrate[i] = rtl8180_rates[i];
range->min_frag = MIN_FRAG_THRESHOLD;
range->max_frag = MAX_FRAG_THRESHOLD;
range->pm_capa = 0;
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 16;
range->num_channels = 14;
for (i = 0, val = 0; i < 14; i++) {
/* Include only legal frequencies for some countries */
range->freq[val].i = i + 1;
range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
range->freq[val].e = 1;
val++;
if (val == IW_MAX_FREQUENCIES)
break;
}
range->num_frequency = val;
range->enc_capa = IW_ENC_CAPA_WPA |
IW_ENC_CAPA_WPA2 |
IW_ENC_CAPA_CIPHER_TKIP |
IW_ENC_CAPA_CIPHER_CCMP;
return 0;
}
static int r8711_wx_get_rate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra);
static int r871x_wx_set_priv(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *awrq,
char *extra)
{
int ret = 0, len = 0;
char *ext;
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *dwrq = (struct iw_point *)awrq;
len = dwrq->length;
ext = strndup_user(dwrq->pointer, len);
if (IS_ERR(ext))
return PTR_ERR(ext);
if (!strcasecmp(ext, "RSSI")) {
/*Return received signal strength indicator in -db for */
/* current AP */
/*<ssid> Rssi xx */
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_network *pcur_network = &pmlmepriv->cur_network;
/*static u8 xxxx; */
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
sprintf(ext, "%s rssi %d",
pcur_network->network.Ssid.Ssid,
/*(xxxx=xxxx+10) */
((padapter->recvpriv.fw_rssi) >> 1) - 95
/*pcur_network->network.Rssi */
);
} else {
sprintf(ext, "OK");
}
} else if (!strcasecmp(ext, "LINKSPEED")) {
/*Return link speed in MBPS */
/*LinkSpeed xx */
union iwreq_data wrqd;
int ret_inner;
int mbps;
ret_inner = r8711_wx_get_rate(dev, info, &wrqd, extra);
if (ret_inner != 0)
mbps = 0;
else
mbps = wrqd.bitrate.value / 1000000;
sprintf(ext, "LINKSPEED %d", mbps);
} else if (!strcasecmp(ext, "MACADDR")) {
/*Return mac address of the station */
/* Macaddr = xx:xx:xx:xx:xx:xx */
sprintf(ext, "MACADDR = %pM", dev->dev_addr);
} else if (!strcasecmp(ext, "SCAN-ACTIVE")) {
/*Set scan type to active */
/*OK if successful */
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
pmlmepriv->passive_mode = 1;
sprintf(ext, "OK");
} else if (!strcasecmp(ext, "SCAN-PASSIVE")) {
/*Set scan type to passive */
/*OK if successful */
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
pmlmepriv->passive_mode = 0;
sprintf(ext, "OK");
} else if (!strncmp(ext, "DCE-E", 5)) {
/*Set scan type to passive */
/*OK if successful */
r8712_disconnectCtrlEx_cmd(padapter
, 1 /*u32 enableDrvCtrl */
, 5 /*u32 tryPktCnt */
, 100 /*u32 tryPktInterval */
, 5000 /*u32 firstStageTO */
);
sprintf(ext, "OK");
} else if (!strncmp(ext, "DCE-D", 5)) {
/*Set scan type to passive */
/*OK if successfu */
r8712_disconnectCtrlEx_cmd(padapter
, 0 /*u32 enableDrvCtrl */
, 5 /*u32 tryPktCnt */
, 100 /*u32 tryPktInterval */
, 5000 /*u32 firstStageTO */
);
sprintf(ext, "OK");
} else {
netdev_info(dev, "r8712u: %s: unknown Command %s.\n",
__func__, ext);
goto FREE_EXT;
}
if (copy_to_user(dwrq->pointer, ext,
min(dwrq->length, (__u16)(strlen(ext) + 1))))
ret = -EFAULT;
FREE_EXT:
kfree(ext);
return ret;
}
/* set bssid flow
* s1. set_802_11_infrastructure_mode()
* s2. set_802_11_authentication_mode()
* s3. set_802_11_encryption_mode()
* s4. set_802_11_bssid()
*
* This function intends to handle the Set AP command, which specifies the
* MAC# of a preferred Access Point.
* Currently, the request comes via Wireless Extensions' SIOCSIWAP ioctl.
*
* For this operation to succeed, there is no need for the interface to be up.
*
*/
static int r8711_wx_set_wap(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *awrq,
char *extra)
{
int ret = -EINPROGRESS;
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *queue = &pmlmepriv->scanned_queue;
struct sockaddr *temp = (struct sockaddr *)awrq;
unsigned long irqL;
struct list_head *phead;
u8 *dst_bssid;
struct wlan_network *pnetwork = NULL;
enum NDIS_802_11_AUTHENTICATION_MODE authmode;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
return -EBUSY;
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
return ret;
if (temp->sa_family != ARPHRD_ETHER)
return -EINVAL;
authmode = padapter->securitypriv.ndisauthtype;
spin_lock_irqsave(&queue->lock, irqL);
phead = &queue->queue;
pmlmepriv->pscanned = phead->next;
while (1) {
if (end_of_queue_search(phead, pmlmepriv->pscanned))
break;
pnetwork = container_of(pmlmepriv->pscanned,
struct wlan_network, list);
pmlmepriv->pscanned = pmlmepriv->pscanned->next;
dst_bssid = pnetwork->network.MacAddress;
if (!memcmp(dst_bssid, temp->sa_data, ETH_ALEN)) {
r8712_set_802_11_infrastructure_mode(padapter,
pnetwork->network.InfrastructureMode);
break;
}
}
spin_unlock_irqrestore(&queue->lock, irqL);
if (!ret) {
if (!r8712_set_802_11_authentication_mode(padapter, authmode)) {
ret = -ENOMEM;
} else {
if (!r8712_set_802_11_bssid(padapter, temp->sa_data))
ret = -1;
}
}
return ret;
}
static int r8711_wx_get_wap(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE |
WIFI_AP_STATE))
ether_addr_copy(wrqu->ap_addr.sa_data, pcur_bss->MacAddress);
else
eth_zero_addr(wrqu->ap_addr.sa_data);
return 0;
}
static int r871x_wx_set_mlme(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct _adapter *padapter = netdev_priv(dev);
struct iw_mlme *mlme = (struct iw_mlme *) extra;
if (!mlme)
return -1;
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
if (!r8712_set_802_11_disassociate(padapter))
ret = -1;
break;
case IW_MLME_DISASSOC:
if (!r8712_set_802_11_disassociate(padapter))
ret = -1;
break;
default:
return -EOPNOTSUPP;
}
return ret;
}
/*
*
* This function intends to handle the Set Scan command.
* Currently, the request comes via Wireless Extensions' SIOCSIWSCAN ioctl.
*
* For this operation to succeed, the interface is brought Up beforehand.
*
*/
static int r8711_wx_set_scan(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 status = true;
if (padapter->driver_stopped) {
netdev_info(dev, "In %s: driver_stopped=%d\n",
__func__, padapter->driver_stopped);
return -1;
}
if (!padapter->bup)
return -ENETDOWN;
if (!padapter->hw_init_completed)
return -1;
if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) ||
(pmlmepriv->sitesurveyctrl.traffic_busy))
return 0;
if (wrqu->data.length == sizeof(struct iw_scan_req)) {
struct iw_scan_req *req = (struct iw_scan_req *)extra;
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
struct ndis_802_11_ssid ssid;
unsigned long irqL;
u32 len = min_t(u8, req->essid_len, IW_ESSID_MAX_SIZE);
memset((unsigned char *)&ssid, 0,
sizeof(struct ndis_802_11_ssid));
memcpy(ssid.Ssid, req->essid, len);
ssid.SsidLength = len;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
_FW_UNDER_LINKING)) ||
(pmlmepriv->sitesurveyctrl.traffic_busy)) {
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
status = false;
} else {
status = r8712_sitesurvey_cmd(padapter, &ssid);
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
} else {
status = r8712_set_802_11_bssid_list_scan(padapter);
}
if (!status)
return -1;
return 0;
}
static int r8711_wx_get_scan(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *queue = &pmlmepriv->scanned_queue;
struct wlan_network *pnetwork = NULL;
unsigned long irqL;
struct list_head *plist, *phead;
char *ev = extra;
char *stop = ev + wrqu->data.length;
u32 ret = 0, cnt = 0;
if (padapter->driver_stopped)
return -EINVAL;
while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
_FW_UNDER_LINKING)) {
msleep(30);
cnt++;
if (cnt > 100)
break;
}
spin_lock_irqsave(&queue->lock, irqL);
phead = &queue->queue;
plist = phead->next;
while (1) {
if (end_of_queue_search(phead, plist))
break;
if ((stop - ev) < SCAN_ITEM_SIZE) {
ret = -E2BIG;
break;
}
pnetwork = container_of(plist, struct wlan_network, list);
ev = translate_scan(padapter, a, pnetwork, ev, stop);
plist = plist->next;
}
spin_unlock_irqrestore(&queue->lock, irqL);
wrqu->data.length = ev - extra;
wrqu->data.flags = 0;
return ret;
}
/* set ssid flow
* s1. set_802_11_infrastructure_mode()
* s2. set_802_11_authenticaion_mode()
* s3. set_802_11_encryption_mode()
* s4. set_802_11_ssid()
*
* This function intends to handle the Set ESSID command.
* Currently, the request comes via the Wireless Extensions' SIOCSIWESSID ioctl.
*
* For this operation to succeed, there is no need for the interface to be Up.
*
*/
static int r8711_wx_set_essid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *queue = &pmlmepriv->scanned_queue;
struct wlan_network *pnetwork = NULL;
enum NDIS_802_11_AUTHENTICATION_MODE authmode;
struct ndis_802_11_ssid ndis_ssid;
u8 *dst_ssid, *src_ssid;
struct list_head *phead;
u32 len;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
return -EBUSY;
if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
return 0;
if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
return -E2BIG;
authmode = padapter->securitypriv.ndisauthtype;
if (wrqu->essid.flags && wrqu->essid.length) {
len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ?
wrqu->essid.length : IW_ESSID_MAX_SIZE;
memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
ndis_ssid.SsidLength = len;
memcpy(ndis_ssid.Ssid, extra, len);
src_ssid = ndis_ssid.Ssid;
phead = &queue->queue;
pmlmepriv->pscanned = phead->next;
while (1) {
if (end_of_queue_search(phead, pmlmepriv->pscanned))
break;
pnetwork = container_of(pmlmepriv->pscanned,
struct wlan_network, list);
pmlmepriv->pscanned = pmlmepriv->pscanned->next;
dst_ssid = pnetwork->network.Ssid.Ssid;
if ((!memcmp(dst_ssid, src_ssid, ndis_ssid.SsidLength))
&& (pnetwork->network.Ssid.SsidLength ==
ndis_ssid.SsidLength)) {
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_STATE)) {
if (pnetwork->network.
InfrastructureMode
!=
padapter->mlmepriv.
cur_network.network.
InfrastructureMode)
continue;
}
r8712_set_802_11_infrastructure_mode(
padapter,
pnetwork->network.InfrastructureMode);
break;
}
}
r8712_set_802_11_authentication_mode(padapter, authmode);
r8712_set_802_11_ssid(padapter, &ndis_ssid);
}
return -EINPROGRESS;
}
static int r8711_wx_get_essid(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
u32 len, ret = 0;
if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
len = pcur_bss->Ssid.SsidLength;
wrqu->essid.length = len;
memcpy(extra, pcur_bss->Ssid.Ssid, len);
wrqu->essid.flags = 1;
} else {
ret = -ENOLINK;
}
return ret;
}
static int r8711_wx_set_rate(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
u32 target_rate = wrqu->bitrate.value;
u32 fixed = wrqu->bitrate.fixed;
u32 ratevalue = 0;
u8 datarates[NumRates];
u8 mpdatarate[NumRates] = {11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0xff};
int i;
if (target_rate == -1) {
ratevalue = 11;
goto set_rate;
}
target_rate = target_rate / 100000;
switch (target_rate) {
case 10:
ratevalue = 0;
break;
case 20:
ratevalue = 1;
break;
case 55:
ratevalue = 2;
break;
case 60:
ratevalue = 3;
break;
case 90:
ratevalue = 4;
break;
case 110:
ratevalue = 5;
break;
case 120:
ratevalue = 6;
break;
case 180:
ratevalue = 7;
break;
case 240:
ratevalue = 8;
break;
case 360:
ratevalue = 9;
break;
case 480:
ratevalue = 10;
break;
case 540:
ratevalue = 11;
break;
default:
ratevalue = 11;
break;
}
set_rate:
for (i = 0; i < NumRates; i++) {
if (ratevalue == mpdatarate[i]) {
datarates[i] = mpdatarate[i];
if (fixed == 0)
break;
} else {
datarates[i] = 0xff;
}
}
return r8712_setdatarate_cmd(padapter, datarates);
}
static int r8711_wx_get_rate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
struct ieee80211_ht_cap *pht_capie;
unsigned char rf_type = padapter->registrypriv.rf_config;
int i;
u8 *p;
u16 rate, max_rate = 0, ht_cap = false;
u32 ht_ielen = 0;
u8 bw_40MHz = 0, short_GI = 0;
u16 mcs_rate = 0;
i = 0;
if (!check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE))
return -ENOLINK;
p = r8712_get_ie(&pcur_bss->IEs[12], WLAN_EID_HT_CAPABILITY, &ht_ielen,
pcur_bss->IELength - 12);
if (p && ht_ielen > 0) {
ht_cap = true;
pht_capie = (struct ieee80211_ht_cap *)(p + 2);
memcpy(&mcs_rate, &pht_capie->mcs, 2);
bw_40MHz = (le16_to_cpu(pht_capie->cap_info) &
IEEE80211_HT_CAP_SUP_WIDTH_20_40) ? 1 : 0;
short_GI = (le16_to_cpu(pht_capie->cap_info) &
(IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40)) ? 1 : 0;
}
while ((pcur_bss->rates[i] != 0) &&
(pcur_bss->rates[i] != 0xFF)) {
rate = pcur_bss->rates[i] & 0x7F;
if (rate > max_rate)
max_rate = rate;
wrqu->bitrate.fixed = 0; /* no auto select */
wrqu->bitrate.value = rate * 500000;
i++;
}
if (ht_cap) {
if (mcs_rate & 0x8000 /* MCS15 */
&&
rf_type == RTL8712_RF_2T2R)
max_rate = (bw_40MHz) ? ((short_GI) ? 300 : 270) :
((short_GI) ? 144 : 130);
else /* default MCS7 */
max_rate = (bw_40MHz) ? ((short_GI) ? 150 : 135) :
((short_GI) ? 72 : 65);
max_rate *= 2; /* Mbps/2 */
}
wrqu->bitrate.value = max_rate * 500000;
return 0;
}
static int r8711_wx_get_rts(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
wrqu->rts.value = padapter->registrypriv.rts_thresh;
wrqu->rts.fixed = 0; /* no auto select */
return 0;
}
static int r8711_wx_set_frag(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
if (wrqu->frag.disabled) {
padapter->xmitpriv.frag_len = MAX_FRAG_THRESHOLD;
} else {
if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
wrqu->frag.value > MAX_FRAG_THRESHOLD)
return -EINVAL;
padapter->xmitpriv.frag_len = wrqu->frag.value & ~0x1;
}
return 0;
}
static int r8711_wx_get_frag(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
wrqu->frag.value = padapter->xmitpriv.frag_len;
wrqu->frag.fixed = 0; /* no auto select */
return 0;
}
static int r8711_wx_get_retry(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
wrqu->retry.value = 7;
wrqu->retry.fixed = 0; /* no auto select */
wrqu->retry.disabled = 1;
return 0;
}
static int r8711_wx_set_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
u32 key;
u32 keyindex_provided;
struct NDIS_802_11_WEP wep;
enum NDIS_802_11_AUTHENTICATION_MODE authmode;
struct iw_point *erq = &wrqu->encoding;
struct _adapter *padapter = netdev_priv(dev);
key = erq->flags & IW_ENCODE_INDEX;
memset(&wep, 0, sizeof(struct NDIS_802_11_WEP));
if (erq->flags & IW_ENCODE_DISABLED) {
netdev_info(dev, "r8712u: %s: EncryptionDisabled\n", __func__);
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
padapter->securitypriv.PrivacyAlgrthm = _NO_PRIVACY_;
padapter->securitypriv.XGrpPrivacy = _NO_PRIVACY_;
padapter->securitypriv.AuthAlgrthm = 0; /* open system */
authmode = Ndis802_11AuthModeOpen;
padapter->securitypriv.ndisauthtype = authmode;
return 0;
}
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
keyindex_provided = 1;
} else {
keyindex_provided = 0;
key = padapter->securitypriv.PrivacyKeyIndex;
}
/* set authentication mode */
if (erq->flags & IW_ENCODE_OPEN) {
netdev_info(dev, "r8712u: %s: IW_ENCODE_OPEN\n", __func__);
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.AuthAlgrthm = 0; /* open system */
padapter->securitypriv.PrivacyAlgrthm = _NO_PRIVACY_;
padapter->securitypriv.XGrpPrivacy = _NO_PRIVACY_;
authmode = Ndis802_11AuthModeOpen;
padapter->securitypriv.ndisauthtype = authmode;
} else if (erq->flags & IW_ENCODE_RESTRICTED) {
netdev_info(dev,
"r8712u: %s: IW_ENCODE_RESTRICTED\n", __func__);
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.AuthAlgrthm = 1; /* shared system */
padapter->securitypriv.PrivacyAlgrthm = _WEP40_;
padapter->securitypriv.XGrpPrivacy = _WEP40_;
authmode = Ndis802_11AuthModeShared;
padapter->securitypriv.ndisauthtype = authmode;
} else {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption1Enabled;
padapter->securitypriv.AuthAlgrthm = 0; /* open system */
padapter->securitypriv.PrivacyAlgrthm = _NO_PRIVACY_;
padapter->securitypriv.XGrpPrivacy = _NO_PRIVACY_;
authmode = Ndis802_11AuthModeOpen;
padapter->securitypriv.ndisauthtype = authmode;
}
wep.KeyIndex = key;
if (erq->length > 0) {
wep.KeyLength = erq->length <= 5 ? 5 : 13;
wep.Length = wep.KeyLength +
offsetof(struct NDIS_802_11_WEP, KeyMaterial);
} else {
wep.KeyLength = 0;
if (keyindex_provided == 1) { /* set key_id only, no given
* KeyMaterial(erq->length==0).
*/
padapter->securitypriv.PrivacyKeyIndex = key;
switch (padapter->securitypriv.DefKeylen[key]) {
case 5:
padapter->securitypriv.PrivacyAlgrthm =
_WEP40_;
break;
case 13:
padapter->securitypriv.PrivacyAlgrthm =
_WEP104_;
break;
default:
padapter->securitypriv.PrivacyAlgrthm =
_NO_PRIVACY_;
break;
}
return 0;
}
}
wep.KeyIndex |= 0x80000000; /* transmit key */
memcpy(wep.KeyMaterial, keybuf, wep.KeyLength);
if (r8712_set_802_11_add_wep(padapter, &wep))
return -EOPNOTSUPP;
return 0;
}
static int r8711_wx_get_enc(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
uint key;
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *erq = &wrqu->encoding;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
union Keytype *dk = padapter->securitypriv.DefKey;
if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
if (!check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
return 0;
}
}
key = erq->flags & IW_ENCODE_INDEX;
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
} else {
key = padapter->securitypriv.PrivacyKeyIndex;
}
erq->flags = key + 1;
switch (padapter->securitypriv.ndisencryptstatus) {
case Ndis802_11EncryptionNotSupported:
case Ndis802_11EncryptionDisabled:
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
break;
case Ndis802_11Encryption1Enabled:
erq->length = padapter->securitypriv.DefKeylen[key];
if (erq->length) {
memcpy(keybuf, dk[key].skey,
padapter->securitypriv.DefKeylen[key]);
erq->flags |= IW_ENCODE_ENABLED;
if (padapter->securitypriv.ndisauthtype ==
Ndis802_11AuthModeOpen)
erq->flags |= IW_ENCODE_OPEN;
else if (padapter->securitypriv.ndisauthtype ==
Ndis802_11AuthModeShared)
erq->flags |= IW_ENCODE_RESTRICTED;
} else {
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
}
break;
case Ndis802_11Encryption2Enabled:
case Ndis802_11Encryption3Enabled:
erq->length = 16;
erq->flags |= (IW_ENCODE_ENABLED | IW_ENCODE_OPEN |
IW_ENCODE_NOKEY);
break;
default:
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
break;
}
return 0;
}
static int r8711_wx_get_power(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
wrqu->power.value = 0;
wrqu->power.fixed = 0; /* no auto select */
wrqu->power.disabled = 1;
return 0;
}
static int r871x_wx_set_gen_ie(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
return r871x_set_wpa_ie(padapter, extra, wrqu->data.length);
}
static int r871x_wx_set_auth(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_param *param = (struct iw_param *)&wrqu->param;
int paramid;
int paramval;
int ret = 0;
paramid = param->flags & IW_AUTH_INDEX;
paramval = param->value;
switch (paramid) {
case IW_AUTH_WPA_VERSION:
break;
case IW_AUTH_CIPHER_PAIRWISE:
break;
case IW_AUTH_CIPHER_GROUP:
break;
case IW_AUTH_KEY_MGMT:
/*
* ??? does not use these parameters
*/
break;
case IW_AUTH_TKIP_COUNTERMEASURES:
if (paramval) {
/* wpa_supplicant is enabling tkip countermeasure. */
padapter->securitypriv.btkip_countermeasure = true;
} else {
/* wpa_supplicant is disabling tkip countermeasure. */
padapter->securitypriv.btkip_countermeasure = false;
}
break;
case IW_AUTH_DROP_UNENCRYPTED:
/* HACK:
*
* wpa_supplicant calls set_wpa_enabled when the driver
* is loaded and unloaded, regardless of if WPA is being
* used. No other calls are made which can be used to
* determine if encryption will be used or not prior to
* association being expected. If encryption is not being
* used, drop_unencrypted is set to false, else true -- we
* can use this to determine if the CAP_PRIVACY_ON bit should
* be set.
*/
if (padapter->securitypriv.ndisencryptstatus ==
Ndis802_11Encryption1Enabled) {
/* it means init value, or using wep,
* ndisencryptstatus =
* Ndis802_11Encryption1Enabled,
* then it needn't reset it;
*/
break;
}
if (paramval) {
padapter->securitypriv.ndisencryptstatus =
Ndis802_11EncryptionDisabled;
padapter->securitypriv.PrivacyAlgrthm =
_NO_PRIVACY_;
padapter->securitypriv.XGrpPrivacy =
_NO_PRIVACY_;
padapter->securitypriv.AuthAlgrthm = 0;
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeOpen;
}
break;
case IW_AUTH_80211_AUTH_ALG:
ret = wpa_set_auth_algs(dev, (u32)paramval);
break;
case IW_AUTH_WPA_ENABLED:
break;
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
break;
case IW_AUTH_PRIVACY_INVOKED:
break;
default:
return -EOPNOTSUPP;
}
return ret;
}
static int r871x_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_point *pencoding = &wrqu->encoding;
struct iw_encode_ext *pext = (struct iw_encode_ext *)extra;
struct ieee_param *param = NULL;
char *alg_name;
u32 param_len;
int ret = 0;
switch (pext->alg) {
case IW_ENCODE_ALG_NONE:
alg_name = "none";
break;
case IW_ENCODE_ALG_WEP:
alg_name = "WEP";
break;
case IW_ENCODE_ALG_TKIP:
alg_name = "TKIP";
break;
case IW_ENCODE_ALG_CCMP:
alg_name = "CCMP";
break;
default:
return -EINVAL;
}
param_len = sizeof(struct ieee_param) + pext->key_len;
param = kzalloc(param_len, GFP_ATOMIC);
if (!param)
return -ENOMEM;
param->cmd = IEEE_CMD_SET_ENCRYPTION;
eth_broadcast_addr(param->sta_addr);
strscpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
if (pext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
param->u.crypt.set_tx = 0;
if (pext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
param->u.crypt.set_tx = 1;
param->u.crypt.idx = (pencoding->flags & 0x00FF) - 1;
if (pext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
memcpy(param->u.crypt.seq, pext->rx_seq, 8);
if (pext->key_len) {
param->u.crypt.key_len = pext->key_len;
memcpy(param + 1, pext + 1, pext->key_len);
}
ret = wpa_set_encryption(dev, param, param_len);
kfree(param);
return ret;
}
static int r871x_wx_get_nick(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
if (extra) {
wrqu->data.length = 8;
wrqu->data.flags = 1;
memcpy(extra, "rtl_wifi", 8);
}
return 0;
}
static int r8711_wx_read32(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct _adapter *padapter = netdev_priv(dev);
u32 addr;
u32 data32;
get_user(addr, (u32 __user *)wrqu->data.pointer);
data32 = r8712_read32(padapter, addr);
put_user(data32, (u32 __user *)wrqu->data.pointer);
wrqu->data.length = (data32 & 0xffff0000) >> 16;
wrqu->data.flags = data32 & 0xffff;
get_user(addr, (u32 __user *)wrqu->data.pointer);
return 0;
}
static int r8711_wx_write32(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct _adapter *padapter = netdev_priv(dev);
u32 addr;
u32 data32;
get_user(addr, (u32 __user *)wrqu->data.pointer);
data32 = ((u32)wrqu->data.length << 16) | (u32)wrqu->data.flags;
r8712_write32(padapter, addr, data32);
return 0;
}
static int dummy(struct net_device *dev,
struct iw_request_info *a,
union iwreq_data *wrqu, char *b)
{
return -EINVAL;
}
static int r8711_drvext_hdl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
return 0;
}
static int r871x_mp_ioctl_hdl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *p = &wrqu->data;
struct oid_par_priv oid_par;
struct mp_ioctl_handler *phandler;
struct mp_ioctl_param *poidparam;
unsigned long BytesRead, BytesWritten, BytesNeeded;
u8 *pparmbuf, bset;
u16 len;
uint status;
int ret = 0;
if ((!p->length) || (!p->pointer))
return -EINVAL;
bset = (u8)(p->flags & 0xFFFF);
len = p->length;
pparmbuf = memdup_user(p->pointer, len);
if (IS_ERR(pparmbuf))
return PTR_ERR(pparmbuf);
poidparam = (struct mp_ioctl_param *)pparmbuf;
if (poidparam->subcode >= MAX_MP_IOCTL_SUBCODE) {
ret = -EINVAL;
goto _r871x_mp_ioctl_hdl_exit;
}
phandler = mp_ioctl_hdl + poidparam->subcode;
if ((phandler->paramsize != 0) &&
(poidparam->len < phandler->paramsize)) {
ret = -EINVAL;
goto _r871x_mp_ioctl_hdl_exit;
}
if (phandler->oid == 0 && phandler->handler) {
status = phandler->handler(&oid_par);
} else if (phandler->handler) {
oid_par.adapter_context = padapter;
oid_par.oid = phandler->oid;
oid_par.information_buf = poidparam->data;
oid_par.information_buf_len = poidparam->len;
oid_par.dbg = 0;
BytesWritten = 0;
BytesNeeded = 0;
if (bset) {
oid_par.bytes_rw = &BytesRead;
oid_par.bytes_needed = &BytesNeeded;
oid_par.type_of_oid = SET_OID;
} else {
oid_par.bytes_rw = &BytesWritten;
oid_par.bytes_needed = &BytesNeeded;
oid_par.type_of_oid = QUERY_OID;
}
status = phandler->handler(&oid_par);
/* todo:check status, BytesNeeded, etc. */
} else {
netdev_info(dev, "r8712u: %s: err!, subcode=%d, oid=%d, handler=%p\n",
__func__, poidparam->subcode, phandler->oid,
phandler->handler);
ret = -EFAULT;
goto _r871x_mp_ioctl_hdl_exit;
}
if (bset == 0x00) { /* query info */
if (copy_to_user(p->pointer, pparmbuf, len))
ret = -EFAULT;
}
if (status) {
ret = -EFAULT;
goto _r871x_mp_ioctl_hdl_exit;
}
_r871x_mp_ioctl_hdl_exit:
kfree(pparmbuf);
return ret;
}
static int r871x_get_ap_info(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct __queue *queue = &pmlmepriv->scanned_queue;
struct iw_point *pdata = &wrqu->data;
struct wlan_network *pnetwork = NULL;
u32 cnt = 0, wpa_ielen;
unsigned long irqL;
struct list_head *plist, *phead;
unsigned char *pbuf;
u8 bssid[ETH_ALEN];
char data[33];
if (padapter->driver_stopped || !pdata)
return -EINVAL;
while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
_FW_UNDER_LINKING)) {
msleep(30);
cnt++;
if (cnt > 100)
break;
}
pdata->flags = 0;
if (pdata->length < 32)
return -EINVAL;
if (copy_from_user(data, pdata->pointer, 32))
return -EINVAL;
data[32] = 0;
spin_lock_irqsave(&pmlmepriv->scanned_queue.lock, irqL);
phead = &queue->queue;
plist = phead->next;
while (1) {
if (end_of_queue_search(phead, plist))
break;
pnetwork = container_of(plist, struct wlan_network, list);
if (!mac_pton(data, bssid)) {
netdev_info(dev, "r8712u: Invalid BSSID '%s'.\n",
(u8 *)data);
spin_unlock_irqrestore(&pmlmepriv->scanned_queue.lock,
irqL);
return -EINVAL;
}
netdev_info(dev, "r8712u: BSSID:%pM\n", bssid);
if (ether_addr_equal(bssid, pnetwork->network.MacAddress)) {
/* BSSID match, then check if supporting wpa/wpa2 */
pbuf = r8712_get_wpa_ie(&pnetwork->network.IEs[12],
&wpa_ielen, pnetwork->network.IELength - 12);
if (pbuf && (wpa_ielen > 0)) {
pdata->flags = 1;
break;
}
pbuf = r8712_get_wpa2_ie(&pnetwork->network.IEs[12],
&wpa_ielen, pnetwork->network.IELength - 12);
if (pbuf && (wpa_ielen > 0)) {
pdata->flags = 2;
break;
}
}
plist = plist->next;
}
spin_unlock_irqrestore(&pmlmepriv->scanned_queue.lock, irqL);
if (pdata->length >= 34) {
if (copy_to_user((u8 __user *)pdata->pointer + 32,
(u8 *)&pdata->flags, 1))
return -EINVAL;
}
return 0;
}
static int r871x_set_pid(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *pdata = &wrqu->data;
if (padapter->driver_stopped || !pdata)
return -EINVAL;
if (copy_from_user(&padapter->pid, pdata->pointer, sizeof(int)))
return -EINVAL;
return 0;
}
static int r871x_set_chplan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *pdata = &wrqu->data;
int ch_plan = -1;
if (padapter->driver_stopped || !pdata) {
ret = -EINVAL;
goto exit;
}
ch_plan = (int)*extra;
r8712_set_chplan_cmd(padapter, ch_plan);
exit:
return ret;
}
static int r871x_wps_start(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_point *pdata = &wrqu->data;
u32 u32wps_start = 0;
if (padapter->driver_stopped || !pdata)
return -EINVAL;
if (copy_from_user((void *)&u32wps_start, pdata->pointer, 4))
return -EFAULT;
if (u32wps_start == 0)
u32wps_start = *extra;
if (u32wps_start == 1) /* WPS Start */
padapter->ledpriv.LedControlHandler(padapter,
LED_CTL_START_WPS);
else if (u32wps_start == 2) /* WPS Stop because of wps success */
padapter->ledpriv.LedControlHandler(padapter,
LED_CTL_STOP_WPS);
else if (u32wps_start == 3) /* WPS Stop because of wps fail */
padapter->ledpriv.LedControlHandler(padapter,
LED_CTL_STOP_WPS_FAIL);
return 0;
}
static int wpa_set_param(struct net_device *dev, u8 name, u32 value)
{
struct _adapter *padapter = netdev_priv(dev);
switch (name) {
case IEEE_PARAM_WPA_ENABLED:
padapter->securitypriv.AuthAlgrthm = 2; /* 802.1x */
switch ((value) & 0xff) {
case 1: /* WPA */
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPAPSK; /* WPA_PSK */
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption2Enabled;
break;
case 2: /* WPA2 */
padapter->securitypriv.ndisauthtype =
Ndis802_11AuthModeWPA2PSK; /* WPA2_PSK */
padapter->securitypriv.ndisencryptstatus =
Ndis802_11Encryption3Enabled;
break;
}
break;
case IEEE_PARAM_TKIP_COUNTERMEASURES:
break;
case IEEE_PARAM_DROP_UNENCRYPTED:
/* HACK:
*
* wpa_supplicant calls set_wpa_enabled when the driver
* is loaded and unloaded, regardless of if WPA is being
* used. No other calls are made which can be used to
* determine if encryption will be used or not prior to
* association being expected. If encryption is not being
* used, drop_unencrypted is set to false, else true -- we
* can use this to determine if the CAP_PRIVACY_ON bit should
* be set.
*/
break;
case IEEE_PARAM_PRIVACY_INVOKED:
break;
case IEEE_PARAM_AUTH_ALGS:
return wpa_set_auth_algs(dev, value);
case IEEE_PARAM_IEEE_802_1X:
break;
case IEEE_PARAM_WPAX_SELECT:
/* added for WPA2 mixed mode */
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int wpa_mlme(struct net_device *dev, u32 command, u32 reason)
{
struct _adapter *padapter = netdev_priv(dev);
switch (command) {
case IEEE_MLME_STA_DEAUTH:
if (!r8712_set_802_11_disassociate(padapter))
return -1;
break;
case IEEE_MLME_STA_DISASSOC:
if (!r8712_set_802_11_disassociate(padapter))
return -1;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int wpa_supplicant_ioctl(struct net_device *dev, struct iw_point *p)
{
struct ieee_param *param;
int ret = 0;
struct _adapter *padapter = netdev_priv(dev);
if (p->length < sizeof(struct ieee_param) || !p->pointer)
return -EINVAL;
param = memdup_user(p->pointer, p->length);
if (IS_ERR(param))
return PTR_ERR(param);
switch (param->cmd) {
case IEEE_CMD_SET_WPA_PARAM:
ret = wpa_set_param(dev, param->u.wpa_param.name,
param->u.wpa_param.value);
break;
case IEEE_CMD_SET_WPA_IE:
ret = r871x_set_wpa_ie(padapter, (char *)param->u.wpa_ie.data,
(u16)param->u.wpa_ie.len);
break;
case IEEE_CMD_SET_ENCRYPTION:
ret = wpa_set_encryption(dev, param, p->length);
break;
case IEEE_CMD_MLME:
ret = wpa_mlme(dev, param->u.mlme.command,
param->u.mlme.reason_code);
break;
default:
ret = -EOPNOTSUPP;
break;
}
if (ret == 0 && copy_to_user(p->pointer, param, p->length))
ret = -EFAULT;
kfree(param);
return ret;
}
/* based on "driver_ipw" and for hostapd */
int r871x_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct iwreq *wrq = (struct iwreq *)rq;
switch (cmd) {
case RTL_IOCTL_WPA_SUPPLICANT:
return wpa_supplicant_ioctl(dev, &wrq->u.data);
default:
return -EOPNOTSUPP;
}
return 0;
}
static iw_handler r8711_handlers[] = {
NULL, /* SIOCSIWCOMMIT */
r8711_wx_get_name, /* SIOCGIWNAME */
dummy, /* SIOCSIWNWID */
dummy, /* SIOCGIWNWID */
r8711_wx_set_freq, /* SIOCSIWFREQ */
r8711_wx_get_freq, /* SIOCGIWFREQ */
r8711_wx_set_mode, /* SIOCSIWMODE */
r8711_wx_get_mode, /* SIOCGIWMODE */
dummy, /* SIOCSIWSENS */
r8711_wx_get_sens, /* SIOCGIWSENS */
NULL, /* SIOCSIWRANGE */
r8711_wx_get_range, /* SIOCGIWRANGE */
r871x_wx_set_priv, /* SIOCSIWPRIV */
NULL, /* SIOCGIWPRIV */
NULL, /* SIOCSIWSTATS */
NULL, /* SIOCGIWSTATS */
dummy, /* SIOCSIWSPY */
dummy, /* SIOCGIWSPY */
NULL, /* SIOCGIWTHRSPY */
NULL, /* SIOCWIWTHRSPY */
r8711_wx_set_wap, /* SIOCSIWAP */
r8711_wx_get_wap, /* SIOCGIWAP */
r871x_wx_set_mlme, /* request MLME operation;
* uses struct iw_mlme
*/
dummy, /* SIOCGIWAPLIST -- deprecated */
r8711_wx_set_scan, /* SIOCSIWSCAN */
r8711_wx_get_scan, /* SIOCGIWSCAN */
r8711_wx_set_essid, /* SIOCSIWESSID */
r8711_wx_get_essid, /* SIOCGIWESSID */
dummy, /* SIOCSIWNICKN */
r871x_wx_get_nick, /* SIOCGIWNICKN */
NULL, /* -- hole -- */
NULL, /* -- hole -- */
r8711_wx_set_rate, /* SIOCSIWRATE */
r8711_wx_get_rate, /* SIOCGIWRATE */
dummy, /* SIOCSIWRTS */
r8711_wx_get_rts, /* SIOCGIWRTS */
r8711_wx_set_frag, /* SIOCSIWFRAG */
r8711_wx_get_frag, /* SIOCGIWFRAG */
dummy, /* SIOCSIWTXPOW */
dummy, /* SIOCGIWTXPOW */
dummy, /* SIOCSIWRETRY */
r8711_wx_get_retry, /* SIOCGIWRETRY */
r8711_wx_set_enc, /* SIOCSIWENCODE */
r8711_wx_get_enc, /* SIOCGIWENCODE */
dummy, /* SIOCSIWPOWER */
r8711_wx_get_power, /* SIOCGIWPOWER */
NULL, /*---hole---*/
NULL, /*---hole---*/
r871x_wx_set_gen_ie, /* SIOCSIWGENIE */
NULL, /* SIOCGIWGENIE */
r871x_wx_set_auth, /* SIOCSIWAUTH */
NULL, /* SIOCGIWAUTH */
r871x_wx_set_enc_ext, /* SIOCSIWENCODEEXT */
NULL, /* SIOCGIWENCODEEXT */
r871x_wx_set_pmkid, /* SIOCSIWPMKSA */
NULL, /*---hole---*/
};
static const struct iw_priv_args r8711_private_args[] = {
{
SIOCIWFIRSTPRIV + 0x0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "read32"
},
{
SIOCIWFIRSTPRIV + 0x1,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "write32"
},
{
SIOCIWFIRSTPRIV + 0x2, 0, 0, "driver_ext"
},
{
SIOCIWFIRSTPRIV + 0x3, 0, 0, "mp_ioctl"
},
{
SIOCIWFIRSTPRIV + 0x4,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "apinfo"
},
{
SIOCIWFIRSTPRIV + 0x5,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "setpid"
},
{
SIOCIWFIRSTPRIV + 0x6,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wps_start"
},
{
SIOCIWFIRSTPRIV + 0x7,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "chplan"
}
};
static iw_handler r8711_private_handler[] = {
r8711_wx_read32,
r8711_wx_write32,
r8711_drvext_hdl,
r871x_mp_ioctl_hdl,
r871x_get_ap_info, /*for MM DTV platform*/
r871x_set_pid,
r871x_wps_start,
r871x_set_chplan
};
static struct iw_statistics *r871x_get_wireless_stats(struct net_device *dev)
{
struct _adapter *padapter = netdev_priv(dev);
struct iw_statistics *piwstats = &padapter->iwstats;
int tmp_level = 0;
int tmp_qual = 0;
int tmp_noise = 0;
if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) != true) {
piwstats->qual.qual = 0;
piwstats->qual.level = 0;
piwstats->qual.noise = 0;
} else {
/* show percentage, we need transfer dbm to original value. */
tmp_level = padapter->recvpriv.fw_rssi;
tmp_qual = padapter->recvpriv.signal;
tmp_noise = padapter->recvpriv.noise;
piwstats->qual.level = tmp_level;
piwstats->qual.qual = tmp_qual;
piwstats->qual.noise = tmp_noise;
}
piwstats->qual.updated = IW_QUAL_ALL_UPDATED;
return &padapter->iwstats;
}
struct iw_handler_def r871x_handlers_def = {
.standard = r8711_handlers,
.num_standard = ARRAY_SIZE(r8711_handlers),
.private = r8711_private_handler,
.private_args = (struct iw_priv_args *)r8711_private_args,
.num_private = ARRAY_SIZE(r8711_private_handler),
.num_private_args = sizeof(r8711_private_args) /
sizeof(struct iw_priv_args),
.get_wireless_stats = r871x_get_wireless_stats
};
| linux-master | drivers/staging/rtl8712/rtl871x_ioctl_linux.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_cmd.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_CMD_C_
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/usb.h>
#include <linux/usb/ch9.h>
#include <linux/circ_buf.h>
#include <linux/uaccess.h>
#include <asm/byteorder.h>
#include <linux/atomic.h>
#include <linux/semaphore.h>
#include <linux/rtnetlink.h>
#include "osdep_service.h"
#include "drv_types.h"
#include "recv_osdep.h"
#include "mlme_osdep.h"
/*
* Caller and the r8712_cmd_thread can protect cmd_q by spin_lock.
* No irqsave is necessary.
*/
int r8712_init_cmd_priv(struct cmd_priv *pcmdpriv)
{
init_completion(&pcmdpriv->cmd_queue_comp);
init_completion(&pcmdpriv->terminate_cmdthread_comp);
_init_queue(&(pcmdpriv->cmd_queue));
/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
pcmdpriv->cmd_seq = 1;
pcmdpriv->cmd_allocated_buf = kmalloc(MAX_CMDSZ + CMDBUFF_ALIGN_SZ,
GFP_ATOMIC);
if (!pcmdpriv->cmd_allocated_buf)
return -ENOMEM;
pcmdpriv->cmd_buf = pcmdpriv->cmd_allocated_buf + CMDBUFF_ALIGN_SZ -
((addr_t)(pcmdpriv->cmd_allocated_buf) &
(CMDBUFF_ALIGN_SZ - 1));
pcmdpriv->rsp_allocated_buf = kmalloc(MAX_RSPSZ + 4, GFP_ATOMIC);
if (!pcmdpriv->rsp_allocated_buf) {
kfree(pcmdpriv->cmd_allocated_buf);
pcmdpriv->cmd_allocated_buf = NULL;
return -ENOMEM;
}
pcmdpriv->rsp_buf = pcmdpriv->rsp_allocated_buf + 4 -
((addr_t)(pcmdpriv->rsp_allocated_buf) & 3);
pcmdpriv->cmd_issued_cnt = 0;
pcmdpriv->cmd_done_cnt = 0;
pcmdpriv->rsp_cnt = 0;
return 0;
}
int r8712_init_evt_priv(struct evt_priv *pevtpriv)
{
/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
pevtpriv->event_seq = 0;
pevtpriv->evt_allocated_buf = kmalloc(MAX_EVTSZ + 4, GFP_ATOMIC);
if (!pevtpriv->evt_allocated_buf)
return -ENOMEM;
pevtpriv->evt_buf = pevtpriv->evt_allocated_buf + 4 -
((addr_t)(pevtpriv->evt_allocated_buf) & 3);
pevtpriv->evt_done_cnt = 0;
return 0;
}
void r8712_free_evt_priv(struct evt_priv *pevtpriv)
{
kfree(pevtpriv->evt_allocated_buf);
}
void r8712_free_cmd_priv(struct cmd_priv *pcmdpriv)
{
if (pcmdpriv) {
kfree(pcmdpriv->cmd_allocated_buf);
kfree(pcmdpriv->rsp_allocated_buf);
}
}
/*
* Calling Context:
*
* r8712_enqueue_cmd can only be called between kernel thread,
* since only spin_lock is used.
*
* ISR/Call-Back functions can't call this sub-function.
*
*/
void r8712_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
{
struct __queue *queue;
unsigned long irqL;
if (pcmdpriv->padapter->eeprompriv.bautoload_fail_flag)
return;
if (!obj)
return;
queue = &pcmdpriv->cmd_queue;
spin_lock_irqsave(&queue->lock, irqL);
list_add_tail(&obj->list, &queue->queue);
spin_unlock_irqrestore(&queue->lock, irqL);
complete(&pcmdpriv->cmd_queue_comp);
}
struct cmd_obj *r8712_dequeue_cmd(struct __queue *queue)
{
unsigned long irqL;
struct cmd_obj *obj;
spin_lock_irqsave(&queue->lock, irqL);
obj = list_first_entry_or_null(&queue->queue,
struct cmd_obj, list);
if (obj)
list_del_init(&obj->list);
spin_unlock_irqrestore(&queue->lock, irqL);
return obj;
}
void r8712_enqueue_cmd_ex(struct cmd_priv *pcmdpriv, struct cmd_obj *obj)
{
unsigned long irqL;
struct __queue *queue;
if (!obj)
return;
if (pcmdpriv->padapter->eeprompriv.bautoload_fail_flag)
return;
queue = &pcmdpriv->cmd_queue;
spin_lock_irqsave(&queue->lock, irqL);
list_add_tail(&obj->list, &queue->queue);
spin_unlock_irqrestore(&queue->lock, irqL);
complete(&pcmdpriv->cmd_queue_comp);
}
void r8712_free_cmd_obj(struct cmd_obj *pcmd)
{
if ((pcmd->cmdcode != _JoinBss_CMD_) &&
(pcmd->cmdcode != _CreateBss_CMD_))
kfree(pcmd->parmbuf);
if (pcmd->rsp) {
if (pcmd->rspsz != 0)
kfree(pcmd->rsp);
}
kfree(pcmd);
}
u8 r8712_sitesurvey_cmd(struct _adapter *padapter,
struct ndis_802_11_ssid *pssid)
__must_hold(&padapter->mlmepriv.lock)
{
struct cmd_obj *ph2c;
struct sitesurvey_parm *psurveyPara;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return _FAIL;
psurveyPara = kmalloc(sizeof(*psurveyPara), GFP_ATOMIC);
if (!psurveyPara) {
kfree(ph2c);
return _FAIL;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara,
GEN_CMD_CODE(_SiteSurvey));
psurveyPara->bsslimit = cpu_to_le32(48);
psurveyPara->passive_mode = cpu_to_le32(pmlmepriv->passive_mode);
psurveyPara->ss_ssidlen = 0;
memset(psurveyPara->ss_ssid, 0, IW_ESSID_MAX_SIZE + 1);
if (pssid && pssid->SsidLength) {
int len = min_t(int, pssid->SsidLength, IW_ESSID_MAX_SIZE);
memcpy(psurveyPara->ss_ssid, pssid->Ssid, len);
psurveyPara->ss_ssidlen = cpu_to_le32(len);
}
set_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
r8712_enqueue_cmd(pcmdpriv, ph2c);
mod_timer(&pmlmepriv->scan_to_timer,
jiffies + msecs_to_jiffies(SCANNING_TIMEOUT));
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_SITE_SURVEY);
complete(&padapter->rx_filter_ready);
return _SUCCESS;
}
int r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset)
{
struct cmd_obj *ph2c;
struct setdatarate_parm *pbsetdataratepara;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return -ENOMEM;
pbsetdataratepara = kmalloc(sizeof(*pbsetdataratepara), GFP_ATOMIC);
if (!pbsetdataratepara) {
kfree(ph2c);
return -ENOMEM;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, pbsetdataratepara,
GEN_CMD_CODE(_SetDataRate));
pbsetdataratepara->mac_id = 5;
memcpy(pbsetdataratepara->datarates, rateset, NumRates);
r8712_enqueue_cmd(pcmdpriv, ph2c);
return 0;
}
void r8712_set_chplan_cmd(struct _adapter *padapter, int chplan)
{
struct cmd_obj *ph2c;
struct SetChannelPlan_param *psetchplanpara;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
psetchplanpara = kmalloc(sizeof(*psetchplanpara), GFP_ATOMIC);
if (!psetchplanpara) {
kfree(ph2c);
return;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psetchplanpara,
GEN_CMD_CODE(_SetChannelPlan));
psetchplanpara->ChannelPlan = chplan;
r8712_enqueue_cmd(pcmdpriv, ph2c);
}
int r8712_setrfreg_cmd(struct _adapter *padapter, u8 offset, u32 val)
{
struct cmd_obj *ph2c;
struct writeRF_parm *pwriterfparm;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return -ENOMEM;
pwriterfparm = kmalloc(sizeof(*pwriterfparm), GFP_ATOMIC);
if (!pwriterfparm) {
kfree(ph2c);
return -ENOMEM;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, pwriterfparm, GEN_CMD_CODE(_SetRFReg));
pwriterfparm->offset = offset;
pwriterfparm->value = val;
r8712_enqueue_cmd(pcmdpriv, ph2c);
return 0;
}
int r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval)
{
struct cmd_obj *ph2c;
struct readRF_parm *prdrfparm;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return -ENOMEM;
prdrfparm = kmalloc(sizeof(*prdrfparm), GFP_ATOMIC);
if (!prdrfparm) {
kfree(ph2c);
return -ENOMEM;
}
INIT_LIST_HEAD(&ph2c->list);
ph2c->cmdcode = GEN_CMD_CODE(_GetRFReg);
ph2c->parmbuf = (unsigned char *)prdrfparm;
ph2c->cmdsz = sizeof(struct readRF_parm);
ph2c->rsp = pval;
ph2c->rspsz = sizeof(struct readRF_rsp);
prdrfparm->offset = offset;
r8712_enqueue_cmd(pcmdpriv, ph2c);
return 0;
}
void r8712_getbbrfreg_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
kfree(pcmd->parmbuf);
kfree(pcmd);
padapter->mppriv.workparam.bcompleted = true;
}
void r8712_readtssi_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
kfree(pcmd->parmbuf);
kfree(pcmd);
padapter->mppriv.workparam.bcompleted = true;
}
int r8712_createbss_cmd(struct _adapter *padapter)
{
struct cmd_obj *pcmd;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct wlan_bssid_ex *pdev_network =
&padapter->registrypriv.dev_network;
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_START_TO_LINK);
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
if (!pcmd)
return -ENOMEM;
INIT_LIST_HEAD(&pcmd->list);
pcmd->cmdcode = _CreateBss_CMD_;
pcmd->parmbuf = (unsigned char *)pdev_network;
pcmd->cmdsz = r8712_get_wlan_bssid_ex_sz(pdev_network);
pcmd->rsp = NULL;
pcmd->rspsz = 0;
/* notes: translate IELength & Length after assign to cmdsz; */
pdev_network->Length = pcmd->cmdsz;
pdev_network->IELength = pdev_network->IELength;
pdev_network->Ssid.SsidLength = pdev_network->Ssid.SsidLength;
r8712_enqueue_cmd(pcmdpriv, pcmd);
return 0;
}
int r8712_joinbss_cmd(struct _adapter *padapter, struct wlan_network *pnetwork)
{
struct wlan_bssid_ex *psecnetwork;
struct cmd_obj *pcmd;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct qos_priv *pqospriv = &pmlmepriv->qospriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct registry_priv *pregistrypriv = &padapter->registrypriv;
enum NDIS_802_11_NETWORK_INFRASTRUCTURE ndis_network_mode =
pnetwork->network.InfrastructureMode;
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_START_TO_LINK);
pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
if (!pcmd)
return -ENOMEM;
/* for hidden ap to set fw_state here */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_ADHOC_STATE) !=
true) {
switch (ndis_network_mode) {
case Ndis802_11IBSS:
pmlmepriv->fw_state |= WIFI_ADHOC_STATE;
break;
case Ndis802_11Infrastructure:
pmlmepriv->fw_state |= WIFI_STATION_STATE;
break;
case Ndis802_11APMode:
case Ndis802_11AutoUnknown:
case Ndis802_11InfrastructureMax:
break;
}
}
psecnetwork = &psecuritypriv->sec_bss;
memcpy(psecnetwork, &pnetwork->network, sizeof(*psecnetwork));
psecuritypriv->authenticator_ie[0] = (unsigned char)
psecnetwork->IELength;
if ((psecnetwork->IELength - 12) < (256 - 1))
memcpy(&psecuritypriv->authenticator_ie[1],
&psecnetwork->IEs[12], psecnetwork->IELength - 12);
else
memcpy(&psecuritypriv->authenticator_ie[1],
&psecnetwork->IEs[12], (256 - 1));
psecnetwork->IELength = 0;
/*
* If the driver wants to use the bssid to create the connection.
* If not, we copy the connecting AP's MAC address to it so that
* the driver just has the bssid information for PMKIDList searching.
*/
if (!pmlmepriv->assoc_by_bssid)
ether_addr_copy(&pmlmepriv->assoc_bssid[0],
&pnetwork->network.MacAddress[0]);
psecnetwork->IELength = r8712_restruct_sec_ie(padapter,
&pnetwork->network.IEs[0],
&psecnetwork->IEs[0],
pnetwork->network.IELength);
pqospriv->qos_option = 0;
if (pregistrypriv->wmm_enable) {
u32 tmp_len;
tmp_len = r8712_restruct_wmm_ie(padapter,
&pnetwork->network.IEs[0],
&psecnetwork->IEs[0],
pnetwork->network.IELength,
psecnetwork->IELength);
if (psecnetwork->IELength != tmp_len) {
psecnetwork->IELength = tmp_len;
pqospriv->qos_option = 1; /* WMM IE in beacon */
} else {
pqospriv->qos_option = 0; /* no WMM IE in beacon */
}
}
if (pregistrypriv->ht_enable) {
/*
* For WEP mode, we will use the bg mode to do the connection
* to avoid some IOT issues, especially for Realtek 8192u
* SoftAP.
*/
if ((padapter->securitypriv.PrivacyAlgrthm != _WEP40_) &&
(padapter->securitypriv.PrivacyAlgrthm != _WEP104_)) {
/* restructure_ht_ie */
r8712_restructure_ht_ie(padapter,
&pnetwork->network.IEs[0],
&psecnetwork->IEs[0],
pnetwork->network.IELength,
&psecnetwork->IELength);
}
}
psecuritypriv->supplicant_ie[0] = (u8)psecnetwork->IELength;
if (psecnetwork->IELength < 255)
memcpy(&psecuritypriv->supplicant_ie[1], &psecnetwork->IEs[0],
psecnetwork->IELength);
else
memcpy(&psecuritypriv->supplicant_ie[1], &psecnetwork->IEs[0],
255);
/* get cmdsz before endian conversion */
pcmd->cmdsz = r8712_get_wlan_bssid_ex_sz(psecnetwork);
#ifdef __BIG_ENDIAN
/* wlan_network endian conversion */
psecnetwork->Length = cpu_to_le32(psecnetwork->Length);
psecnetwork->Ssid.SsidLength = cpu_to_le32(
psecnetwork->Ssid.SsidLength);
psecnetwork->Privacy = cpu_to_le32(psecnetwork->Privacy);
psecnetwork->Rssi = cpu_to_le32(psecnetwork->Rssi);
psecnetwork->NetworkTypeInUse = cpu_to_le32(
psecnetwork->NetworkTypeInUse);
psecnetwork->Configuration.ATIMWindow = cpu_to_le32(
psecnetwork->Configuration.ATIMWindow);
psecnetwork->Configuration.BeaconPeriod = cpu_to_le32(
psecnetwork->Configuration.BeaconPeriod);
psecnetwork->Configuration.DSConfig = cpu_to_le32(
psecnetwork->Configuration.DSConfig);
psecnetwork->Configuration.FHConfig.DwellTime = cpu_to_le32(
psecnetwork->Configuration.FHConfig.DwellTime);
psecnetwork->Configuration.FHConfig.HopPattern = cpu_to_le32(
psecnetwork->Configuration.FHConfig.HopPattern);
psecnetwork->Configuration.FHConfig.HopSet = cpu_to_le32(
psecnetwork->Configuration.FHConfig.HopSet);
psecnetwork->Configuration.FHConfig.Length = cpu_to_le32(
psecnetwork->Configuration.FHConfig.Length);
psecnetwork->Configuration.Length = cpu_to_le32(
psecnetwork->Configuration.Length);
psecnetwork->InfrastructureMode = cpu_to_le32(
psecnetwork->InfrastructureMode);
psecnetwork->IELength = cpu_to_le32(psecnetwork->IELength);
#endif
INIT_LIST_HEAD(&pcmd->list);
pcmd->cmdcode = _JoinBss_CMD_;
pcmd->parmbuf = (unsigned char *)psecnetwork;
pcmd->rsp = NULL;
pcmd->rspsz = 0;
r8712_enqueue_cmd(pcmdpriv, pcmd);
return 0;
}
void r8712_disassoc_cmd(struct _adapter *padapter) /* for sta_mode */
{
struct cmd_obj *pdisconnect_cmd;
struct disconnect_parm *pdisconnect;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
pdisconnect_cmd = kmalloc(sizeof(*pdisconnect_cmd), GFP_ATOMIC);
if (!pdisconnect_cmd)
return;
pdisconnect = kmalloc(sizeof(*pdisconnect), GFP_ATOMIC);
if (!pdisconnect) {
kfree(pdisconnect_cmd);
return;
}
init_h2fwcmd_w_parm_no_rsp(pdisconnect_cmd, pdisconnect,
_DisConnect_CMD_);
r8712_enqueue_cmd(pcmdpriv, pdisconnect_cmd);
}
void r8712_setopmode_cmd(struct _adapter *padapter,
enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
{
struct cmd_obj *ph2c;
struct setopmode_parm *psetop;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
psetop = kmalloc(sizeof(*psetop), GFP_ATOMIC);
if (!psetop) {
kfree(ph2c);
return;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psetop, _SetOpMode_CMD_);
psetop->mode = (u8)networktype;
r8712_enqueue_cmd(pcmdpriv, ph2c);
}
void r8712_setstakey_cmd(struct _adapter *padapter, u8 *psta, u8 unicast_key)
{
struct cmd_obj *ph2c;
struct set_stakey_parm *psetstakey_para;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct set_stakey_rsp *psetstakey_rsp = NULL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct sta_info *sta = (struct sta_info *)psta;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
psetstakey_para = kmalloc(sizeof(*psetstakey_para), GFP_ATOMIC);
if (!psetstakey_para) {
kfree(ph2c);
return;
}
psetstakey_rsp = kmalloc(sizeof(*psetstakey_rsp), GFP_ATOMIC);
if (!psetstakey_rsp) {
kfree(ph2c);
kfree(psetstakey_para);
return;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
ph2c->rsp = (u8 *)psetstakey_rsp;
ph2c->rspsz = sizeof(struct set_stakey_rsp);
ether_addr_copy(psetstakey_para->addr, sta->hwaddr);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
psetstakey_para->algorithm = (unsigned char)
psecuritypriv->PrivacyAlgrthm;
else
GET_ENCRY_ALGO(psecuritypriv, sta,
psetstakey_para->algorithm, false);
if (unicast_key)
memcpy(&psetstakey_para->key, &sta->x_UncstKey, 16);
else
memcpy(&psetstakey_para->key,
&psecuritypriv->XGrpKey[
psecuritypriv->XGrpKeyid - 1]. skey, 16);
r8712_enqueue_cmd(pcmdpriv, ph2c);
}
void r8712_setMacAddr_cmd(struct _adapter *padapter, const u8 *mac_addr)
{
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct cmd_obj *ph2c;
struct SetMacAddr_param *psetMacAddr_para;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
psetMacAddr_para = kmalloc(sizeof(*psetMacAddr_para), GFP_ATOMIC);
if (!psetMacAddr_para) {
kfree(ph2c);
return;
}
init_h2fwcmd_w_parm_no_rsp(ph2c, psetMacAddr_para,
_SetMacAddress_CMD_);
ether_addr_copy(psetMacAddr_para->MacAddr, mac_addr);
r8712_enqueue_cmd(pcmdpriv, ph2c);
}
void r8712_addbareq_cmd(struct _adapter *padapter, u8 tid)
{
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
struct cmd_obj *ph2c;
struct addBaReq_parm *paddbareq_parm;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
paddbareq_parm = kmalloc(sizeof(*paddbareq_parm), GFP_ATOMIC);
if (!paddbareq_parm) {
kfree(ph2c);
return;
}
paddbareq_parm->tid = tid;
init_h2fwcmd_w_parm_no_rsp(ph2c, paddbareq_parm,
GEN_CMD_CODE(_AddBAReq));
r8712_enqueue_cmd_ex(pcmdpriv, ph2c);
}
void r8712_wdg_wk_cmd(struct _adapter *padapter)
{
struct cmd_obj *ph2c;
struct drvint_cmd_parm *pdrvintcmd_param;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
pdrvintcmd_param = kmalloc(sizeof(*pdrvintcmd_param), GFP_ATOMIC);
if (!pdrvintcmd_param) {
kfree(ph2c);
return;
}
pdrvintcmd_param->i_cid = WDG_WK_CID;
pdrvintcmd_param->sz = 0;
pdrvintcmd_param->pbuf = NULL;
init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvintcmd_param, _DRV_INT_CMD_);
r8712_enqueue_cmd_ex(pcmdpriv, ph2c);
}
void r8712_survey_cmd_callback(struct _adapter *padapter, struct cmd_obj *pcmd)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (pcmd->res != H2C_SUCCESS)
clr_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
r8712_free_cmd_obj(pcmd);
}
void r8712_disassoc_cmd_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (pcmd->res != H2C_SUCCESS) {
spin_lock_irqsave(&pmlmepriv->lock, irqL);
set_fwstate(pmlmepriv, _FW_LINKED);
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return;
}
r8712_free_cmd_obj(pcmd);
}
void r8712_joinbss_cmd_callback(struct _adapter *padapter, struct cmd_obj *pcmd)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (pcmd->res != H2C_SUCCESS)
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
r8712_free_cmd_obj(pcmd);
}
void r8712_createbss_cmd_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
unsigned long irqL;
struct sta_info *psta = NULL;
struct wlan_network *pwlan = NULL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)pcmd->parmbuf;
struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
if (pcmd->res != H2C_SUCCESS)
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(1));
del_timer(&pmlmepriv->assoc_timer);
#ifdef __BIG_ENDIAN
/* endian_convert */
pnetwork->Length = le32_to_cpu(pnetwork->Length);
pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
pnetwork->Configuration.ATIMWindow =
le32_to_cpu(pnetwork->Configuration.ATIMWindow);
pnetwork->Configuration.DSConfig =
le32_to_cpu(pnetwork->Configuration.DSConfig);
pnetwork->Configuration.FHConfig.DwellTime =
le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
pnetwork->Configuration.FHConfig.HopPattern =
le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
pnetwork->Configuration.FHConfig.HopSet =
le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
pnetwork->Configuration.FHConfig.Length =
le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
pnetwork->Configuration.Length =
le32_to_cpu(pnetwork->Configuration.Length);
pnetwork->InfrastructureMode =
le32_to_cpu(pnetwork->InfrastructureMode);
pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
#endif
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((pmlmepriv->fw_state) & WIFI_AP_STATE) {
psta = r8712_get_stainfo(&padapter->stapriv,
pnetwork->MacAddress);
if (!psta) {
psta = r8712_alloc_stainfo(&padapter->stapriv,
pnetwork->MacAddress);
if (!psta)
goto createbss_cmd_fail;
}
r8712_indicate_connect(padapter);
} else {
pwlan = _r8712_alloc_network(pmlmepriv);
if (!pwlan) {
pwlan = r8712_get_oldest_wlan_network(
&pmlmepriv->scanned_queue);
if (!pwlan)
goto createbss_cmd_fail;
pwlan->last_scanned = jiffies;
} else {
list_add_tail(&(pwlan->list),
&pmlmepriv->scanned_queue.queue);
}
pnetwork->Length = r8712_get_wlan_bssid_ex_sz(pnetwork);
memcpy(&(pwlan->network), pnetwork, pnetwork->Length);
pwlan->fixed = true;
memcpy(&tgt_network->network, pnetwork,
(r8712_get_wlan_bssid_ex_sz(pnetwork)));
if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
/*
* we will set _FW_LINKED when there is one more sat to
* join us (stassoc_event_callback)
*/
}
createbss_cmd_fail:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
r8712_free_cmd_obj(pcmd);
}
void r8712_setstaKey_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct set_stakey_rsp *psetstakey_rsp = (struct set_stakey_rsp *)
(pcmd->rsp);
struct sta_info *psta = r8712_get_stainfo(pstapriv,
psetstakey_rsp->addr);
if (!psta)
goto exit;
psta->aid = psta->mac_id = psetstakey_rsp->keyid; /*CAM_ID(CAM_ENTRY)*/
exit:
r8712_free_cmd_obj(pcmd);
}
void r8712_setassocsta_cmdrsp_callback(struct _adapter *padapter,
struct cmd_obj *pcmd)
{
unsigned long irqL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct set_assocsta_parm *passocsta_parm =
(struct set_assocsta_parm *)(pcmd->parmbuf);
struct set_assocsta_rsp *passocsta_rsp =
(struct set_assocsta_rsp *) (pcmd->rsp);
struct sta_info *psta = r8712_get_stainfo(pstapriv,
passocsta_parm->addr);
if (!psta)
return;
psta->aid = psta->mac_id = passocsta_rsp->cam_id;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((check_fwstate(pmlmepriv, WIFI_MP_STATE)) &&
(check_fwstate(pmlmepriv, _FW_UNDER_LINKING)))
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
set_fwstate(pmlmepriv, _FW_LINKED);
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
r8712_free_cmd_obj(pcmd);
}
void r8712_disconnectCtrlEx_cmd(struct _adapter *adapter, u32 enableDrvCtrl,
u32 tryPktCnt, u32 tryPktInterval, u32 firstStageTO)
{
struct cmd_obj *ph2c;
struct DisconnectCtrlEx_param *param;
struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
if (!ph2c)
return;
param = kzalloc(sizeof(*param), GFP_ATOMIC);
if (!param) {
kfree(ph2c);
return;
}
param->EnableDrvCtrl = (unsigned char)enableDrvCtrl;
param->TryPktCnt = (unsigned char)tryPktCnt;
param->TryPktInterval = (unsigned char)tryPktInterval;
param->FirstStageTO = (unsigned int)firstStageTO;
init_h2fwcmd_w_parm_no_rsp(ph2c, param,
GEN_CMD_CODE(_DisconnectCtrlEx));
r8712_enqueue_cmd(pcmdpriv, ph2c);
}
| linux-master | drivers/staging/rtl8712/rtl871x_cmd.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_ioctl_set.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _RTL871X_IOCTL_SET_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "rtl871x_ioctl_set.h"
#include "usb_osintf.h"
#include "usb_ops.h"
static u8 validate_ssid(struct ndis_802_11_ssid *ssid)
{
u8 i;
if (ssid->SsidLength > 32)
return false;
for (i = 0; i < ssid->SsidLength; i++) {
/* wifi, printable ascii code must be supported */
if (!((ssid->Ssid[i] >= 0x20) && (ssid->Ssid[i] <= 0x7e)))
return false;
}
return true;
}
static u8 do_join(struct _adapter *padapter)
{
struct list_head *plist, *phead;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct __queue *queue = &(pmlmepriv->scanned_queue);
int ret;
phead = &queue->queue;
plist = phead->next;
pmlmepriv->cur_network.join_res = -2;
pmlmepriv->fw_state |= _FW_UNDER_LINKING;
pmlmepriv->pscanned = plist;
pmlmepriv->to_join = true;
/* adhoc mode will start with an empty queue, but skip checking */
if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) &&
list_empty(&queue->queue)) {
if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
/* when set_ssid/set_bssid for do_join(), but scanning queue
* is empty we try to issue sitesurvey firstly
*/
if (!pmlmepriv->sitesurveyctrl.traffic_busy)
r8712_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid);
return true;
}
ret = r8712_select_and_join_from_scan(pmlmepriv);
if (!ret) {
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
} else {
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
/* submit r8712_createbss_cmd to change to an
* ADHOC_MASTER pmlmepriv->lock has been
* acquired by caller...
*/
struct wlan_bssid_ex *pdev_network =
&padapter->registrypriv.dev_network;
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
pibss = padapter->registrypriv.dev_network.MacAddress;
memcpy(&pdev_network->Ssid,
&pmlmepriv->assoc_ssid,
sizeof(struct ndis_802_11_ssid));
r8712_update_registrypriv_dev_network(padapter);
r8712_generate_random_ibss(pibss);
if (r8712_createbss_cmd(padapter))
return false;
pmlmepriv->to_join = false;
} else {
/* can't associate ; reset under-linking */
if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
pmlmepriv->fw_state ^=
_FW_UNDER_LINKING;
/* when set_ssid/set_bssid for do_join(), but
* there are no desired bss in scanning queue
* we try to issue sitesurvey first
*/
if (!pmlmepriv->sitesurveyctrl.traffic_busy)
r8712_sitesurvey_cmd(padapter,
&pmlmepriv->assoc_ssid);
}
}
return true;
}
u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
{
unsigned long irqL;
u8 status = true;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) {
status = false;
return status;
}
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
_FW_UNDER_LINKING)) {
status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
goto _Abort_Set_BSSID;
}
if (check_fwstate(pmlmepriv,
_FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid,
ETH_ALEN)) {
if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE))
/* driver is in
* WIFI_ADHOC_MASTER_STATE
*/
goto _Abort_Set_BSSID;
} else {
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED))
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if ((check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE))) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
pmlmepriv->assoc_by_bssid = true;
status = do_join(padapter);
goto done;
_Abort_Set_BSSID:
done:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return status;
}
void r8712_set_802_11_ssid(struct _adapter *padapter,
struct ndis_802_11_ssid *ssid)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork = &pmlmepriv->cur_network;
if (!padapter->hw_init_completed)
return;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) {
check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
goto _Abort_Set_SSID;
}
if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE)) {
if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
(!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid,
ssid->SsidLength))) {
if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
if (!r8712_is_same_ibss(padapter,
pnetwork)) {
/* if in WIFI_ADHOC_MASTER_STATE or
* WIFI_ADHOC_STATE, create bss or
* rejoin again
*/
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv,
_FW_LINKED))
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE)) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv,
WIFI_ADHOC_STATE);
}
} else {
/* driver is in
* WIFI_ADHOC_MASTER_STATE
*/
goto _Abort_Set_SSID;
}
}
} else {
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED))
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE)) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
if (padapter->securitypriv.btkip_countermeasure)
goto _Abort_Set_SSID;
if (!validate_ssid(ssid))
goto _Abort_Set_SSID;
memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
pmlmepriv->assoc_by_bssid = false;
do_join(padapter);
goto done;
_Abort_Set_SSID:
done:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
void r8712_set_802_11_infrastructure_mode(struct _adapter *padapter,
enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state =
&(cur_network->network.InfrastructureMode);
if (*pold_state != networktype) {
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_LINKED) ||
(*pold_state == Ndis802_11IBSS))
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv,
_FW_LINKED | WIFI_ADHOC_MASTER_STATE))
r8712_free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) ||
(*pold_state == Ndis802_11Infrastructure) ||
(*pold_state == Ndis802_11IBSS)) {
/* will clr Linked_state before this function,
* we must have checked whether issue dis-assoc_cmd or
* not
*/
r8712_ind_disconnect(padapter);
}
*pold_state = networktype;
/* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
* WIFI_ADHOC_MASTER_STATE
*/
_clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE |
WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE);
switch (networktype) {
case Ndis802_11IBSS:
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
break;
case Ndis802_11Infrastructure:
set_fwstate(pmlmepriv, WIFI_STATION_STATE);
break;
case Ndis802_11APMode:
set_fwstate(pmlmepriv, WIFI_AP_STATE);
break;
case Ndis802_11AutoUnknown:
case Ndis802_11InfrastructureMax:
break;
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
}
u8 r8712_set_802_11_disassociate(struct _adapter *padapter)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
r8712_disassoc_cmd(padapter);
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return true;
}
u8 r8712_set_802_11_bssid_list_scan(struct _adapter *padapter)
{
struct mlme_priv *pmlmepriv = NULL;
unsigned long irqL;
u8 ret = true;
if (!padapter)
return false;
pmlmepriv = &padapter->mlmepriv;
if (!padapter->hw_init_completed)
return false;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) ||
pmlmepriv->sitesurveyctrl.traffic_busy) {
/* Scan or linking is in progress, do nothing. */
ret = (u8)check_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
} else {
r8712_free_network_queue(padapter);
ret = r8712_sitesurvey_cmd(padapter, NULL);
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return ret;
}
u8 r8712_set_802_11_authentication_mode(struct _adapter *padapter,
enum NDIS_802_11_AUTHENTICATION_MODE authmode)
{
struct security_priv *psecuritypriv = &padapter->securitypriv;
u8 ret;
psecuritypriv->ndisauthtype = authmode;
if (psecuritypriv->ndisauthtype > 3)
psecuritypriv->AuthAlgrthm = 2; /* 802.1x */
if (r8712_set_auth(padapter, psecuritypriv))
ret = false;
else
ret = true;
return ret;
}
int r8712_set_802_11_add_wep(struct _adapter *padapter,
struct NDIS_802_11_WEP *wep)
{
sint keyid;
struct security_priv *psecuritypriv = &padapter->securitypriv;
keyid = wep->KeyIndex & 0x3fffffff;
if (keyid >= WEP_KEYS)
return -EINVAL;
switch (wep->KeyLength) {
case 5:
psecuritypriv->PrivacyAlgrthm = _WEP40_;
break;
case 13:
psecuritypriv->PrivacyAlgrthm = _WEP104_;
break;
default:
psecuritypriv->PrivacyAlgrthm = _NO_PRIVACY_;
break;
}
memcpy(psecuritypriv->DefKey[keyid].skey, &wep->KeyMaterial,
wep->KeyLength);
psecuritypriv->DefKeylen[keyid] = wep->KeyLength;
psecuritypriv->PrivacyKeyIndex = keyid;
return r8712_set_key(padapter, psecuritypriv, keyid);
}
| linux-master | drivers/staging/rtl8712/rtl871x_ioctl_set.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* mlme_linux.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>.
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _MLME_OSDEP_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "mlme_osdep.h"
static void sitesurvey_ctrl_handler(struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t,
mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer);
_r8712_sitesurvey_ctrl_handler(adapter);
mod_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
jiffies + msecs_to_jiffies(3000));
}
static void join_timeout_handler (struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t, mlmepriv.assoc_timer);
_r8712_join_timeout_handler(adapter);
}
static void _scan_timeout_handler (struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t, mlmepriv.scan_to_timer);
r8712_scan_timeout_handler(adapter);
}
static void dhcp_timeout_handler (struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t, mlmepriv.dhcp_timer);
_r8712_dhcp_timeout_handler(adapter);
}
static void wdg_timeout_handler (struct timer_list *t)
{
struct _adapter *adapter =
from_timer(adapter, t, mlmepriv.wdg_timer);
r8712_wdg_wk_cmd(adapter);
mod_timer(&adapter->mlmepriv.wdg_timer,
jiffies + msecs_to_jiffies(2000));
}
void r8712_init_mlme_timer(struct _adapter *adapter)
{
struct mlme_priv *mlmepriv = &adapter->mlmepriv;
timer_setup(&mlmepriv->assoc_timer, join_timeout_handler, 0);
timer_setup(&mlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer,
sitesurvey_ctrl_handler, 0);
timer_setup(&mlmepriv->scan_to_timer, _scan_timeout_handler, 0);
timer_setup(&mlmepriv->dhcp_timer, dhcp_timeout_handler, 0);
timer_setup(&mlmepriv->wdg_timer, wdg_timeout_handler, 0);
}
void r8712_os_indicate_connect(struct _adapter *adapter)
{
r8712_indicate_wx_assoc_event(adapter);
netif_carrier_on(adapter->pnetdev);
}
static struct RT_PMKID_LIST backupPMKIDList[NUM_PMKID_CACHE];
void r8712_os_indicate_disconnect(struct _adapter *adapter)
{
u8 backupPMKIDIndex = 0;
u8 backupTKIPCountermeasure = 0x00;
r8712_indicate_wx_disassoc_event(adapter);
netif_carrier_off(adapter->pnetdev);
if (adapter->securitypriv.AuthAlgrthm == 2) { /*/802.1x*/
/* We have to backup the PMK information for WiFi PMK Caching
* test item. Backup the btkip_countermeasure information.
* When the countermeasure is trigger, the driver have to
* disconnect with AP for 60 seconds.
*/
memcpy(&backupPMKIDList[0],
&adapter->securitypriv.PMKIDList[0],
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
backupTKIPCountermeasure =
adapter->securitypriv.btkip_countermeasure;
memset((unsigned char *)&adapter->securitypriv, 0,
sizeof(struct security_priv));
timer_setup(&adapter->securitypriv.tkip_timer,
r8712_use_tkipkey_handler, 0);
/* Restore the PMK information to securitypriv structure
* for the following connection.
*/
memcpy(&adapter->securitypriv.PMKIDList[0],
&backupPMKIDList[0],
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
adapter->securitypriv.btkip_countermeasure =
backupTKIPCountermeasure;
} else { /*reset values in securitypriv*/
struct security_priv *sec_priv = &adapter->securitypriv;
sec_priv->AuthAlgrthm = 0; /*open system*/
sec_priv->PrivacyAlgrthm = _NO_PRIVACY_;
sec_priv->PrivacyKeyIndex = 0;
sec_priv->XGrpPrivacy = _NO_PRIVACY_;
sec_priv->XGrpKeyid = 1;
sec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
sec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
sec_priv->wps_phase = false;
}
}
void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie)
{
uint len;
u8 *buff, *p, i;
union iwreq_data wrqu;
buff = NULL;
if (authmode == _WPA_IE_ID_) {
buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC);
if (!buff)
return;
p = buff;
p += sprintf(p, "ASSOCINFO(ReqIEs=");
len = sec_ie[1] + 2;
len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
for (i = 0; i < len; i++)
p += sprintf(p, "%02x", sec_ie[i]);
p += sprintf(p, ")");
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = p - buff;
wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ?
wrqu.data.length : IW_CUSTOM_MAX;
wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
kfree(buff);
}
}
| linux-master | drivers/staging/rtl8712/mlme_linux.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* usb_halinit.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
#define _HCI_HAL_INIT_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "usb_ops.h"
#include "usb_osintf.h"
u8 r8712_usb_hal_bus_init(struct _adapter *adapter)
{
u8 val8 = 0;
u8 ret = _SUCCESS;
int PollingCnt = 20;
struct registry_priv *registrypriv = &adapter->registrypriv;
if (registrypriv->chip_version == RTL8712_FPGA) {
val8 = 0x01;
/* switch to 80M clock */
r8712_write8(adapter, SYS_CLKR, val8);
val8 = r8712_read8(adapter, SPS1_CTRL);
val8 = val8 | 0x01;
/* enable VSPS12 LDO Macro block */
r8712_write8(adapter, SPS1_CTRL, val8);
val8 = r8712_read8(adapter, AFE_MISC);
val8 = val8 | 0x01;
/* Enable AFE Macro Block's Bandgap */
r8712_write8(adapter, AFE_MISC, val8);
val8 = r8712_read8(adapter, LDOA15_CTRL);
val8 = val8 | 0x01;
/* enable LDOA15 block */
r8712_write8(adapter, LDOA15_CTRL, val8);
val8 = r8712_read8(adapter, SPS1_CTRL);
val8 = val8 | 0x02;
/* Enable VSPS12_SW Macro Block */
r8712_write8(adapter, SPS1_CTRL, val8);
val8 = r8712_read8(adapter, AFE_MISC);
val8 = val8 | 0x02;
/* Enable AFE Macro Block's Mbias */
r8712_write8(adapter, AFE_MISC, val8);
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
val8 = val8 | 0x08;
/* isolate PCIe Analog 1.2V to PCIe 3.3V and PCIE Digital */
r8712_write8(adapter, SYS_ISO_CTRL + 1, val8);
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
val8 = val8 & 0xEF;
/* attach AFE PLL to MACTOP/BB/PCIe Digital */
r8712_write8(adapter, SYS_ISO_CTRL + 1, val8);
val8 = r8712_read8(adapter, AFE_XTAL_CTRL + 1);
val8 = val8 & 0xFB;
/* enable AFE clock */
r8712_write8(adapter, AFE_XTAL_CTRL + 1, val8);
val8 = r8712_read8(adapter, AFE_PLL_CTRL);
val8 = val8 | 0x01;
/* Enable AFE PLL Macro Block */
r8712_write8(adapter, AFE_PLL_CTRL, val8);
val8 = 0xEE;
/* release isolation AFE PLL & MD */
r8712_write8(adapter, SYS_ISO_CTRL, val8);
val8 = r8712_read8(adapter, SYS_CLKR + 1);
val8 = val8 | 0x08;
/* enable MAC clock */
r8712_write8(adapter, SYS_CLKR + 1, val8);
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
val8 = val8 | 0x08;
/* enable Core digital and enable IOREG R/W */
r8712_write8(adapter, SYS_FUNC_EN + 1, val8);
val8 = val8 | 0x80;
/* enable REG_EN */
r8712_write8(adapter, SYS_FUNC_EN + 1, val8);
val8 = r8712_read8(adapter, SYS_CLKR + 1);
val8 = (val8 | 0x80) & 0xBF;
/* switch the control path */
r8712_write8(adapter, SYS_CLKR + 1, val8);
val8 = 0xFC;
r8712_write8(adapter, CR, val8);
val8 = 0x37;
r8712_write8(adapter, CR + 1, val8);
/* reduce EndPoint & init it */
r8712_write8(adapter, 0x102500ab, r8712_read8(adapter,
0x102500ab) | BIT(6) | BIT(7));
/* consideration of power consumption - init */
r8712_write8(adapter, 0x10250008, r8712_read8(adapter,
0x10250008) & 0xfffffffb);
} else if (registrypriv->chip_version == RTL8712_1stCUT) {
/* Initialization for power on sequence, */
r8712_write8(adapter, SPS0_CTRL + 1, 0x53);
r8712_write8(adapter, SPS0_CTRL, 0x57);
/* Enable AFE Macro Block's Bandgap and Enable AFE Macro
* Block's Mbias
*/
val8 = r8712_read8(adapter, AFE_MISC);
r8712_write8(adapter, AFE_MISC, (val8 | AFE_MISC_BGEN |
AFE_MISC_MBEN));
/* Enable LDOA15 block */
val8 = r8712_read8(adapter, LDOA15_CTRL);
r8712_write8(adapter, LDOA15_CTRL, (val8 | LDA15_EN));
val8 = r8712_read8(adapter, SPS1_CTRL);
r8712_write8(adapter, SPS1_CTRL, (val8 | SPS1_LDEN));
msleep(20);
/* Enable Switch Regulator Block */
val8 = r8712_read8(adapter, SPS1_CTRL);
r8712_write8(adapter, SPS1_CTRL, (val8 | SPS1_SWEN));
r8712_write32(adapter, SPS1_CTRL, 0x00a7b267);
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
r8712_write8(adapter, SYS_ISO_CTRL + 1, (val8 | 0x08));
/* Engineer Packet CP test Enable */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x20));
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
r8712_write8(adapter, SYS_ISO_CTRL + 1, (val8 & 0x6F));
/* Enable AFE clock */
val8 = r8712_read8(adapter, AFE_XTAL_CTRL + 1);
r8712_write8(adapter, AFE_XTAL_CTRL + 1, (val8 & 0xfb));
/* Enable AFE PLL Macro Block */
val8 = r8712_read8(adapter, AFE_PLL_CTRL);
r8712_write8(adapter, AFE_PLL_CTRL, (val8 | 0x11));
/* Attach AFE PLL to MACTOP/BB/PCIe Digital */
val8 = r8712_read8(adapter, SYS_ISO_CTRL);
r8712_write8(adapter, SYS_ISO_CTRL, (val8 & 0xEE));
/* Switch to 40M clock */
val8 = r8712_read8(adapter, SYS_CLKR);
r8712_write8(adapter, SYS_CLKR, val8 & (~SYS_CLKSEL));
/* SSC Disable */
val8 = r8712_read8(adapter, SYS_CLKR);
/* Enable MAC clock */
val8 = r8712_read8(adapter, SYS_CLKR + 1);
r8712_write8(adapter, SYS_CLKR + 1, (val8 | 0x18));
/* Revised POS, */
r8712_write8(adapter, PMC_FSM, 0x02);
/* Enable Core digital and enable IOREG R/W */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x08));
/* Enable REG_EN */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x80));
/* Switch the control path to FW */
val8 = r8712_read8(adapter, SYS_CLKR + 1);
r8712_write8(adapter, SYS_CLKR + 1, (val8 | 0x80) & 0xBF);
r8712_write8(adapter, CR, 0xFC);
r8712_write8(adapter, CR + 1, 0x37);
/* Fix the RX FIFO issue(usb error), */
val8 = r8712_read8(adapter, 0x1025FE5c);
r8712_write8(adapter, 0x1025FE5c, (val8 | BIT(7)));
val8 = r8712_read8(adapter, 0x102500ab);
r8712_write8(adapter, 0x102500ab, (val8 | BIT(6) | BIT(7)));
/* For power save, used this in the bit file after 970621 */
val8 = r8712_read8(adapter, SYS_CLKR);
r8712_write8(adapter, SYS_CLKR, val8 & (~CPU_CLKSEL));
} else if (registrypriv->chip_version == RTL8712_2ndCUT ||
registrypriv->chip_version == RTL8712_3rdCUT) {
/* Initialization for power on sequence,
* E-Fuse leakage prevention sequence
*/
r8712_write8(adapter, 0x37, 0xb0);
msleep(20);
r8712_write8(adapter, 0x37, 0x30);
/* Set control path switch to HW control and reset Digital Core,
* CPU Core and MAC I/O to solve FW download fail when system
* from resume sate.
*/
val8 = r8712_read8(adapter, SYS_CLKR + 1);
if (val8 & 0x80) {
val8 &= 0x3f;
r8712_write8(adapter, SYS_CLKR + 1, val8);
}
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
val8 &= 0x73;
r8712_write8(adapter, SYS_FUNC_EN + 1, val8);
msleep(20);
/* Revised POS, */
/* Enable AFE Macro Block's Bandgap and Enable AFE Macro
* Block's Mbias
*/
r8712_write8(adapter, SPS0_CTRL + 1, 0x53);
r8712_write8(adapter, SPS0_CTRL, 0x57);
val8 = r8712_read8(adapter, AFE_MISC);
/*Bandgap*/
r8712_write8(adapter, AFE_MISC, (val8 | AFE_MISC_BGEN));
r8712_write8(adapter, AFE_MISC, (val8 | AFE_MISC_BGEN |
AFE_MISC_MBEN | AFE_MISC_I32_EN));
/* Enable PLL Power (LDOA15V) */
val8 = r8712_read8(adapter, LDOA15_CTRL);
r8712_write8(adapter, LDOA15_CTRL, (val8 | LDA15_EN));
/* Enable LDOV12D block */
val8 = r8712_read8(adapter, LDOV12D_CTRL);
r8712_write8(adapter, LDOV12D_CTRL, (val8 | LDV12_EN));
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
r8712_write8(adapter, SYS_ISO_CTRL + 1, (val8 | 0x08));
/* Engineer Packet CP test Enable */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x20));
/* Support 64k IMEM */
val8 = r8712_read8(adapter, SYS_ISO_CTRL + 1);
r8712_write8(adapter, SYS_ISO_CTRL + 1, (val8 & 0x68));
/* Enable AFE clock */
val8 = r8712_read8(adapter, AFE_XTAL_CTRL + 1);
r8712_write8(adapter, AFE_XTAL_CTRL + 1, (val8 & 0xfb));
/* Enable AFE PLL Macro Block */
val8 = r8712_read8(adapter, AFE_PLL_CTRL);
r8712_write8(adapter, AFE_PLL_CTRL, (val8 | 0x11));
/* Some sample will download fw failure. The clock will be
* stable with 500 us delay after reset the PLL
* TODO: When usleep is added to kernel, change next 3
* udelay(500) to usleep(500)
*/
udelay(500);
r8712_write8(adapter, AFE_PLL_CTRL, (val8 | 0x51));
udelay(500);
r8712_write8(adapter, AFE_PLL_CTRL, (val8 | 0x11));
udelay(500);
/* Attach AFE PLL to MACTOP/BB/PCIe Digital */
val8 = r8712_read8(adapter, SYS_ISO_CTRL);
r8712_write8(adapter, SYS_ISO_CTRL, (val8 & 0xEE));
/* Switch to 40M clock */
r8712_write8(adapter, SYS_CLKR, 0x00);
/* CPU Clock and 80M Clock SSC Disable to overcome FW download
* fail timing issue.
*/
val8 = r8712_read8(adapter, SYS_CLKR);
r8712_write8(adapter, SYS_CLKR, (val8 | 0xa0));
/* Enable MAC clock */
val8 = r8712_read8(adapter, SYS_CLKR + 1);
r8712_write8(adapter, SYS_CLKR + 1, (val8 | 0x18));
/* Revised POS, */
r8712_write8(adapter, PMC_FSM, 0x02);
/* Enable Core digital and enable IOREG R/W */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x08));
/* Enable REG_EN */
val8 = r8712_read8(adapter, SYS_FUNC_EN + 1);
r8712_write8(adapter, SYS_FUNC_EN + 1, (val8 | 0x80));
/* Switch the control path to FW */
val8 = r8712_read8(adapter, SYS_CLKR + 1);
r8712_write8(adapter, SYS_CLKR + 1, (val8 | 0x80) & 0xBF);
r8712_write8(adapter, CR, 0xFC);
r8712_write8(adapter, CR + 1, 0x37);
/* Fix the RX FIFO issue(usb error), 970410 */
val8 = r8712_read8(adapter, 0x1025FE5c);
r8712_write8(adapter, 0x1025FE5c, (val8 | BIT(7)));
/* For power save, used this in the bit file after 970621 */
val8 = r8712_read8(adapter, SYS_CLKR);
r8712_write8(adapter, SYS_CLKR, val8 & (~CPU_CLKSEL));
/* Revised for 8051 ROM code wrong operation. */
r8712_write8(adapter, 0x1025fe1c, 0x80);
/* To make sure that TxDMA can ready to download FW.
* We should reset TxDMA if IMEM RPT was not ready.
*/
do {
val8 = r8712_read8(adapter, TCR);
if ((val8 & _TXDMA_INIT_VALUE) == _TXDMA_INIT_VALUE)
break;
udelay(5); /* PlatformStallExecution(5); */
} while (PollingCnt--); /* Delay 1ms */
if (PollingCnt <= 0) {
val8 = r8712_read8(adapter, CR);
r8712_write8(adapter, CR, val8 & (~_TXDMA_EN));
udelay(2); /* PlatformStallExecution(2); */
/* Reset TxDMA */
r8712_write8(adapter, CR, val8 | _TXDMA_EN);
}
} else {
ret = _FAIL;
}
return ret;
}
unsigned int r8712_usb_inirp_init(struct _adapter *adapter)
{
u8 i;
struct recv_buf *recvbuf;
struct intf_hdl *intfhdl = &adapter->pio_queue->intf;
struct recv_priv *recvpriv = &(adapter->recvpriv);
recvpriv->ff_hwaddr = RTL8712_DMA_RX0FF; /* mapping rx fifo address */
/* issue Rx irp to receive data */
recvbuf = (struct recv_buf *)recvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++) {
if (r8712_usb_read_port(intfhdl, recvpriv->ff_hwaddr, 0,
(unsigned char *)recvbuf) == false)
return _FAIL;
recvbuf++;
recvpriv->free_recv_buf_queue_cnt--;
}
return _SUCCESS;
}
unsigned int r8712_usb_inirp_deinit(struct _adapter *adapter)
{
r8712_usb_read_port_cancel(adapter);
return _SUCCESS;
}
| linux-master | drivers/staging/rtl8712/usb_halinit.c |
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
* rtl871x_io.c
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192SU
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <[email protected]>
* Larry Finger <[email protected]>
*
******************************************************************************/
/*
*
* The purpose of rtl871x_io.c
*
* a. provides the API
* b. provides the protocol engine
* c. provides the software interface between caller and the hardware interface
*
* For r8712u, both sync/async operations are provided.
*
* Only sync read/write_mem operations are provided.
*
*/
#define _RTL871X_IO_C_
#include "osdep_service.h"
#include "drv_types.h"
#include "rtl871x_io.h"
#include "osdep_intf.h"
#include "usb_ops.h"
static uint _init_intf_hdl(struct _adapter *padapter,
struct intf_hdl *pintf_hdl)
{
struct intf_priv *pintf_priv;
void (*set_intf_option)(u32 *poption) = NULL;
void (*set_intf_funs)(struct intf_hdl *pintf_hdl);
void (*set_intf_ops)(struct _io_ops *pops);
uint (*init_intf_priv)(struct intf_priv *pintfpriv);
set_intf_option = &(r8712_usb_set_intf_option);
set_intf_funs = &(r8712_usb_set_intf_funs);
set_intf_ops = &r8712_usb_set_intf_ops;
init_intf_priv = &r8712_usb_init_intf_priv;
pintf_priv = pintf_hdl->pintfpriv = kmalloc(sizeof(struct intf_priv),
GFP_ATOMIC);
if (!pintf_priv)
goto _init_intf_hdl_fail;
pintf_hdl->adapter = (u8 *)padapter;
set_intf_option(&pintf_hdl->intf_option);
set_intf_funs(pintf_hdl);
set_intf_ops(&pintf_hdl->io_ops);
pintf_priv->intf_dev = (u8 *)&padapter->dvobjpriv;
if (init_intf_priv(pintf_priv) == _FAIL)
goto _init_intf_hdl_fail;
return _SUCCESS;
_init_intf_hdl_fail:
kfree(pintf_priv);
return _FAIL;
}
static void _unload_intf_hdl(struct intf_priv *pintfpriv)
{
void (*unload_intf_priv)(struct intf_priv *pintfpriv);
unload_intf_priv = &r8712_usb_unload_intf_priv;
unload_intf_priv(pintfpriv);
kfree(pintfpriv);
}
static uint register_intf_hdl(u8 *dev, struct intf_hdl *pintfhdl)
{
struct _adapter *adapter = (struct _adapter *)dev;
pintfhdl->intf_option = 0;
pintfhdl->adapter = dev;
pintfhdl->intf_dev = (u8 *)&adapter->dvobjpriv;
if (!_init_intf_hdl(adapter, pintfhdl))
goto register_intf_hdl_fail;
return _SUCCESS;
register_intf_hdl_fail:
return false;
}
static void unregister_intf_hdl(struct intf_hdl *pintfhdl)
{
_unload_intf_hdl(pintfhdl->pintfpriv);
memset((u8 *)pintfhdl, 0, sizeof(struct intf_hdl));
}
uint r8712_alloc_io_queue(struct _adapter *adapter)
{
u32 i;
struct io_queue *pio_queue;
struct io_req *pio_req;
pio_queue = kmalloc(sizeof(*pio_queue), GFP_ATOMIC);
if (!pio_queue)
goto alloc_io_queue_fail;
INIT_LIST_HEAD(&pio_queue->free_ioreqs);
INIT_LIST_HEAD(&pio_queue->processing);
INIT_LIST_HEAD(&pio_queue->pending);
spin_lock_init(&pio_queue->lock);
pio_queue->pallocated_free_ioreqs_buf = kzalloc(NUM_IOREQ *
(sizeof(struct io_req)) + 4,
GFP_ATOMIC);
if ((pio_queue->pallocated_free_ioreqs_buf) == NULL)
goto alloc_io_queue_fail;
pio_queue->free_ioreqs_buf = pio_queue->pallocated_free_ioreqs_buf + 4
- ((addr_t)(pio_queue->pallocated_free_ioreqs_buf)
& 3);
pio_req = (struct io_req *)(pio_queue->free_ioreqs_buf);
for (i = 0; i < NUM_IOREQ; i++) {
INIT_LIST_HEAD(&pio_req->list);
list_add_tail(&pio_req->list, &pio_queue->free_ioreqs);
pio_req++;
}
if ((register_intf_hdl((u8 *)adapter, &pio_queue->intf)) == _FAIL)
goto alloc_io_queue_fail;
adapter->pio_queue = pio_queue;
return _SUCCESS;
alloc_io_queue_fail:
if (pio_queue) {
kfree(pio_queue->pallocated_free_ioreqs_buf);
kfree(pio_queue);
}
adapter->pio_queue = NULL;
return _FAIL;
}
void r8712_free_io_queue(struct _adapter *adapter)
{
struct io_queue *pio_queue = adapter->pio_queue;
if (pio_queue) {
kfree(pio_queue->pallocated_free_ioreqs_buf);
adapter->pio_queue = NULL;
unregister_intf_hdl(&pio_queue->intf);
kfree(pio_queue);
}
}
| linux-master | drivers/staging/rtl8712/rtl871x_io.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ST7735R LCD Controller
*
* Copyright (C) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_st7735r"
#define DEFAULT_GAMMA "0F 1A 0F 18 2F 28 20 22 1F 1B 23 37 00 07 02 10\n" \
"0F 1B 0F 17 33 2C 29 2E 30 30 39 3F 00 07 03 10"
static const s16 default_init_sequence[] = {
-1, MIPI_DCS_SOFT_RESET,
-2, 150, /* delay */
-1, MIPI_DCS_EXIT_SLEEP_MODE,
-2, 500, /* delay */
/* FRMCTR1 - frame rate control: normal mode
* frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D)
*/
-1, 0xB1, 0x01, 0x2C, 0x2D,
/* FRMCTR2 - frame rate control: idle mode
* frame rate = fosc / (1 x 2 + 40) * (LINE + 2C + 2D)
*/
-1, 0xB2, 0x01, 0x2C, 0x2D,
/* FRMCTR3 - frame rate control - partial mode
* dot inversion mode, line inversion mode
*/
-1, 0xB3, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D,
/* INVCTR - display inversion control
* no inversion
*/
-1, 0xB4, 0x07,
/* PWCTR1 - Power Control
* -4.6V, AUTO mode
*/
-1, 0xC0, 0xA2, 0x02, 0x84,
/* PWCTR2 - Power Control
* VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
*/
-1, 0xC1, 0xC5,
/* PWCTR3 - Power Control
* Opamp current small, Boost frequency
*/
-1, 0xC2, 0x0A, 0x00,
/* PWCTR4 - Power Control
* BCLK/2, Opamp current small & Medium low
*/
-1, 0xC3, 0x8A, 0x2A,
/* PWCTR5 - Power Control */
-1, 0xC4, 0x8A, 0xEE,
/* VMCTR1 - Power Control */
-1, 0xC5, 0x0E,
-1, MIPI_DCS_EXIT_INVERT_MODE,
-1, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT,
-1, MIPI_DCS_SET_DISPLAY_ON,
-2, 100, /* delay */
-1, MIPI_DCS_ENTER_NORMAL_MODE,
-2, 10, /* delay */
/* end marker */
-3
};
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xFF, xe >> 8, xe & 0xFF);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xFF, ye >> 8, ye & 0xFF);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
#define MY BIT(7)
#define MX BIT(6)
#define MV BIT(5)
static int set_var(struct fbtft_par *par)
{
/* MADCTL - Memory data access control
* RGB/BGR:
* 1. Mode selection pin SRGB
* RGB H/W pin for color filter setting: 0=RGB, 1=BGR
* 2. MADCTL RGB bit
* RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR
*/
switch (par->info->var.rotate) {
case 0:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MY | (par->bgr << 3));
break;
case 270:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MY | MV | (par->bgr << 3));
break;
case 180:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
par->bgr << 3);
break;
case 90:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MV | (par->bgr << 3));
break;
}
return 0;
}
/*
* Gamma string format:
* VRF0P VOS0P PK0P PK1P PK2P PK3P PK4P PK5P PK6P PK7P PK8P PK9P SELV0P SELV1P SELV62P SELV63P
* VRF0N VOS0N PK0N PK1N PK2N PK3N PK4N PK5N PK6N PK7N PK8N PK9N SELV0N SELV1N SELV62N SELV63N
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
int i, j;
/* apply mask */
for (i = 0; i < par->gamma.num_curves; i++)
for (j = 0; j < par->gamma.num_values; j++)
CURVE(i, j) &= 0x3f;
for (i = 0; i < par->gamma.num_curves; i++)
write_reg(par, 0xE0 + i,
CURVE(i, 0), CURVE(i, 1),
CURVE(i, 2), CURVE(i, 3),
CURVE(i, 4), CURVE(i, 5),
CURVE(i, 6), CURVE(i, 7),
CURVE(i, 8), CURVE(i, 9),
CURVE(i, 10), CURVE(i, 11),
CURVE(i, 12), CURVE(i, 13),
CURVE(i, 14), CURVE(i, 15));
return 0;
}
#undef CURVE
static struct fbtft_display display = {
.regwidth = 8,
.width = 128,
.height = 160,
.init_sequence = default_init_sequence,
.gamma_num = 2,
.gamma_len = 16,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "sitronix,st7735r", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:st7735r");
MODULE_ALIAS("platform:st7735r");
MODULE_DESCRIPTION("FB driver for the ST7735R LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_st7735r.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ILI9325 LCD Controller
*
* Copyright (C) 2013 Noralf Tronnes
*
* Based on ili9325.c by Jeroen Domburg
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_ili9325"
#define WIDTH 240
#define HEIGHT 320
#define BPP 16
#define FPS 20
#define DEFAULT_GAMMA "0F 00 7 2 0 0 6 5 4 1\n" \
"04 16 2 7 6 3 2 1 7 7"
static unsigned int bt = 6; /* VGL=Vci*4 , VGH=Vci*4 */
module_param(bt, uint, 0000);
MODULE_PARM_DESC(bt, "Sets the factor used in the step-up circuits");
static unsigned int vc = 0x03; /* Vci1=Vci*0.80 */
module_param(vc, uint, 0000);
MODULE_PARM_DESC(vc, "Sets the ratio factor of Vci to generate the reference voltages Vci1");
static unsigned int vrh = 0x0d; /* VREG1OUT=Vci*1.85 */
module_param(vrh, uint, 0000);
MODULE_PARM_DESC(vrh, "Set the amplifying rate (1.6 ~ 1.9) of Vci applied to output the VREG1OUT");
static unsigned int vdv = 0x12; /* VCOMH amplitude=VREG1OUT*0.98 */
module_param(vdv, uint, 0000);
MODULE_PARM_DESC(vdv, "Select the factor of VREG1OUT to set the amplitude of Vcom");
static unsigned int vcm = 0x0a; /* VCOMH=VREG1OUT*0.735 */
module_param(vcm, uint, 0000);
MODULE_PARM_DESC(vcm, "Set the internal VcomH voltage");
/*
* Verify that this configuration is within the Voltage limits
*
* Display module configuration: Vcc = IOVcc = Vci = 3.3V
*
* Voltages
* ----------
* Vci = 3.3
* Vci1 = Vci * 0.80 = 2.64
* DDVDH = Vci1 * 2 = 5.28
* VCL = -Vci1 = -2.64
* VREG1OUT = Vci * 1.85 = 4.88
* VCOMH = VREG1OUT * 0.735 = 3.59
* VCOM amplitude = VREG1OUT * 0.98 = 4.79
* VGH = Vci * 4 = 13.2
* VGL = -Vci * 4 = -13.2
*
* Limits
* --------
* Power supplies
* 1.65 < IOVcc < 3.30 => 1.65 < 3.3 < 3.30
* 2.40 < Vcc < 3.30 => 2.40 < 3.3 < 3.30
* 2.50 < Vci < 3.30 => 2.50 < 3.3 < 3.30
*
* Source/VCOM power supply voltage
* 4.50 < DDVDH < 6.0 => 4.50 < 5.28 < 6.0
* -3.0 < VCL < -2.0 => -3.0 < -2.64 < -2.0
* VCI - VCL < 6.0 => 5.94 < 6.0
*
* Gate driver output voltage
* 10 < VGH < 20 => 10 < 13.2 < 20
* -15 < VGL < -5 => -15 < -13.2 < -5
* VGH - VGL < 32 => 26.4 < 32
*
* VCOM driver output voltage
* VCOMH - VCOML < 6.0 => 4.79 < 6.0
*/
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
bt &= 0x07;
vc &= 0x07;
vrh &= 0x0f;
vdv &= 0x1f;
vcm &= 0x3f;
/* Initialization sequence from ILI9325 Application Notes */
/* ----------- Start Initial Sequence ----------- */
write_reg(par, 0x00E3, 0x3008); /* Set internal timing */
write_reg(par, 0x00E7, 0x0012); /* Set internal timing */
write_reg(par, 0x00EF, 0x1231); /* Set internal timing */
write_reg(par, 0x0001, 0x0100); /* set SS and SM bit */
write_reg(par, 0x0002, 0x0700); /* set 1 line inversion */
write_reg(par, 0x0004, 0x0000); /* Resize register */
write_reg(par, 0x0008, 0x0207); /* set the back porch and front porch */
write_reg(par, 0x0009, 0x0000); /* set non-display area refresh cycle */
write_reg(par, 0x000A, 0x0000); /* FMARK function */
write_reg(par, 0x000C, 0x0000); /* RGB interface setting */
write_reg(par, 0x000D, 0x0000); /* Frame marker Position */
write_reg(par, 0x000F, 0x0000); /* RGB interface polarity */
/* ----------- Power On sequence ----------- */
write_reg(par, 0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
write_reg(par, 0x0011, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
write_reg(par, 0x0012, 0x0000); /* VREG1OUT voltage */
write_reg(par, 0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
mdelay(200); /* Dis-charge capacitor power voltage */
write_reg(par, 0x0010, /* SAP, BT[3:0], AP, DSTB, SLP, STB */
BIT(12) | (bt << 8) | BIT(7) | BIT(4));
write_reg(par, 0x0011, 0x220 | vc); /* DC1[2:0], DC0[2:0], VC[2:0] */
mdelay(50); /* Delay 50ms */
write_reg(par, 0x0012, vrh); /* Internal reference voltage= Vci; */
mdelay(50); /* Delay 50ms */
write_reg(par, 0x0013, vdv << 8); /* Set VDV[4:0] for VCOM amplitude */
write_reg(par, 0x0029, vcm); /* Set VCM[5:0] for VCOMH */
write_reg(par, 0x002B, 0x000C); /* Set Frame Rate */
mdelay(50); /* Delay 50ms */
write_reg(par, 0x0020, 0x0000); /* GRAM horizontal Address */
write_reg(par, 0x0021, 0x0000); /* GRAM Vertical Address */
/*------------------ Set GRAM area --------------- */
write_reg(par, 0x0050, 0x0000); /* Horizontal GRAM Start Address */
write_reg(par, 0x0051, 0x00EF); /* Horizontal GRAM End Address */
write_reg(par, 0x0052, 0x0000); /* Vertical GRAM Start Address */
write_reg(par, 0x0053, 0x013F); /* Vertical GRAM Start Address */
write_reg(par, 0x0060, 0xA700); /* Gate Scan Line */
write_reg(par, 0x0061, 0x0001); /* NDL,VLE, REV */
write_reg(par, 0x006A, 0x0000); /* set scrolling line */
/*-------------- Partial Display Control --------- */
write_reg(par, 0x0080, 0x0000);
write_reg(par, 0x0081, 0x0000);
write_reg(par, 0x0082, 0x0000);
write_reg(par, 0x0083, 0x0000);
write_reg(par, 0x0084, 0x0000);
write_reg(par, 0x0085, 0x0000);
/*-------------- Panel Control ------------------- */
write_reg(par, 0x0090, 0x0010);
write_reg(par, 0x0092, 0x0600);
write_reg(par, 0x0007, 0x0133); /* 262K color and display ON */
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
switch (par->info->var.rotate) {
/* R20h = Horizontal GRAM Start Address */
/* R21h = Vertical GRAM Start Address */
case 0:
write_reg(par, 0x0020, xs);
write_reg(par, 0x0021, ys);
break;
case 180:
write_reg(par, 0x0020, WIDTH - 1 - xs);
write_reg(par, 0x0021, HEIGHT - 1 - ys);
break;
case 270:
write_reg(par, 0x0020, WIDTH - 1 - ys);
write_reg(par, 0x0021, xs);
break;
case 90:
write_reg(par, 0x0020, ys);
write_reg(par, 0x0021, HEIGHT - 1 - xs);
break;
}
write_reg(par, 0x0022); /* Write Data to GRAM */
}
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
/* AM: GRAM update direction */
case 0:
write_reg(par, 0x03, 0x0030 | (par->bgr << 12));
break;
case 180:
write_reg(par, 0x03, 0x0000 | (par->bgr << 12));
break;
case 270:
write_reg(par, 0x03, 0x0028 | (par->bgr << 12));
break;
case 90:
write_reg(par, 0x03, 0x0018 | (par->bgr << 12));
break;
}
return 0;
}
/*
* Gamma string format:
* VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5
* VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
static const unsigned long mask[] = {
0x1f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
0x1f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
};
int i, j;
/* apply mask */
for (i = 0; i < 2; i++)
for (j = 0; j < 10; j++)
CURVE(i, j) &= mask[i * par->gamma.num_values + j];
write_reg(par, 0x0030, CURVE(0, 5) << 8 | CURVE(0, 4));
write_reg(par, 0x0031, CURVE(0, 7) << 8 | CURVE(0, 6));
write_reg(par, 0x0032, CURVE(0, 9) << 8 | CURVE(0, 8));
write_reg(par, 0x0035, CURVE(0, 3) << 8 | CURVE(0, 2));
write_reg(par, 0x0036, CURVE(0, 1) << 8 | CURVE(0, 0));
write_reg(par, 0x0037, CURVE(1, 5) << 8 | CURVE(1, 4));
write_reg(par, 0x0038, CURVE(1, 7) << 8 | CURVE(1, 6));
write_reg(par, 0x0039, CURVE(1, 9) << 8 | CURVE(1, 8));
write_reg(par, 0x003C, CURVE(1, 3) << 8 | CURVE(1, 2));
write_reg(par, 0x003D, CURVE(1, 1) << 8 | CURVE(1, 0));
return 0;
}
#undef CURVE
static struct fbtft_display display = {
.regwidth = 16,
.width = WIDTH,
.height = HEIGHT,
.bpp = BPP,
.fps = FPS,
.gamma_num = 2,
.gamma_len = 10,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9325", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ili9325");
MODULE_ALIAS("platform:ili9325");
MODULE_DESCRIPTION("FB driver for the ILI9325 LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ili9325.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the HX8340BN LCD Controller
*
* This display uses 9-bit SPI: Data/Command bit + 8 data bits
* For platforms that doesn't support 9-bit, the driver is capable
* of emulating this using 8-bit transfer.
* This is done by transferring eight 9-bit words in 9 bytes.
*
* Copyright (C) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_hx8340bn"
#define WIDTH 176
#define HEIGHT 220
#define TXBUFLEN (4 * PAGE_SIZE)
#define DEFAULT_GAMMA "1 3 0E 5 0 2 09 0 6 1 7 1 0 2 2\n" \
"3 3 17 8 4 7 05 7 6 0 3 1 6 0 0 "
static bool emulate;
module_param(emulate, bool, 0000);
MODULE_PARM_DESC(emulate, "Force emulation in 9-bit mode");
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
/* BTL221722-276L startup sequence, from datasheet */
/*
* SETEXTCOM: Set extended command set (C1h)
* This command is used to set extended command set access enable.
* Enable: After command (C1h), must write: ffh,83h,40h
*/
write_reg(par, 0xC1, 0xFF, 0x83, 0x40);
/*
* Sleep out
* This command turns off sleep mode.
* In this mode the DC/DC converter is enabled, Internal oscillator
* is started, and panel scanning is started.
*/
write_reg(par, 0x11);
mdelay(150);
/* Undoc'd register? */
write_reg(par, 0xCA, 0x70, 0x00, 0xD9);
/*
* SETOSC: Set Internal Oscillator (B0h)
* This command is used to set internal oscillator related settings
* OSC_EN: Enable internal oscillator
* Internal oscillator frequency: 125% x 2.52MHz
*/
write_reg(par, 0xB0, 0x01, 0x11);
/* Drive ability setting */
write_reg(par, 0xC9, 0x90, 0x49, 0x10, 0x28, 0x28, 0x10, 0x00, 0x06);
mdelay(20);
/*
* SETPWCTR5: Set Power Control 5(B5h)
* This command is used to set VCOM Low and VCOM High Voltage
* VCOMH 0110101 : 3.925
* VCOML 0100000 : -1.700
* 45h=69 VCOMH: "VMH" + 5d VCOML: "VMH" + 5d
*/
write_reg(par, 0xB5, 0x35, 0x20, 0x45);
/*
* SETPWCTR4: Set Power Control 4(B4h)
* VRH[4:0]: Specify the VREG1 voltage adjusting.
* VREG1 voltage is for gamma voltage setting.
* BT[2:0]: Switch the output factor of step-up circuit 2
* for VGH and VGL voltage generation.
*/
write_reg(par, 0xB4, 0x33, 0x25, 0x4C);
mdelay(10);
/*
* Interface Pixel Format (3Ah)
* This command is used to define the format of RGB picture data,
* which is to be transfer via the system and RGB interface.
* RGB interface: 16 Bit/Pixel
*/
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT);
/*
* Display on (29h)
* This command is used to recover from DISPLAY OFF mode.
* Output from the Frame Memory is enabled.
*/
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
mdelay(10);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS, 0x00, xs, 0x00, xe);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS, 0x00, ys, 0x00, ye);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
static int set_var(struct fbtft_par *par)
{
/* MADCTL - Memory data access control */
/* RGB/BGR can be set with H/W pin SRGB and MADCTL BGR bit */
#define MY BIT(7)
#define MX BIT(6)
#define MV BIT(5)
switch (par->info->var.rotate) {
case 0:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, par->bgr << 3);
break;
case 270:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MV | (par->bgr << 3));
break;
case 180:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MY | (par->bgr << 3));
break;
case 90:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MY | MV | (par->bgr << 3));
break;
}
return 0;
}
/*
* Gamma Curve selection, GC (only GC0 can be customized):
* 0 = 2.2, 1 = 1.8, 2 = 2.5, 3 = 1.0
* Gamma string format:
* OP0 OP1 CP0 CP1 CP2 CP3 CP4 MP0 MP1 MP2 MP3 MP4 MP5 CGM0 CGM1
* ON0 ON1 CN0 CN1 CN2 CN3 CN4 MN0 MN1 MN2 MN3 MN4 MN5 XXXX GC
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
static const unsigned long mask[] = {
0x0f, 0x0f, 0x1f, 0x0f, 0x0f, 0x0f, 0x1f, 0x07, 0x07, 0x07,
0x07, 0x07, 0x07, 0x03, 0x03, 0x0f, 0x0f, 0x1f, 0x0f, 0x0f,
0x0f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x00, 0x00,
};
int i, j;
/* apply mask */
for (i = 0; i < par->gamma.num_curves; i++)
for (j = 0; j < par->gamma.num_values; j++)
CURVE(i, j) &= mask[i * par->gamma.num_values + j];
/* Gamma Set (26h) */
write_reg(par, MIPI_DCS_SET_GAMMA_CURVE, 1 << CURVE(1, 14));
if (CURVE(1, 14))
return 0; /* only GC0 can be customized */
write_reg(par, 0xC2,
(CURVE(0, 8) << 4) | CURVE(0, 7),
(CURVE(0, 10) << 4) | CURVE(0, 9),
(CURVE(0, 12) << 4) | CURVE(0, 11),
CURVE(0, 2),
(CURVE(0, 4) << 4) | CURVE(0, 3),
CURVE(0, 5),
CURVE(0, 6),
(CURVE(0, 1) << 4) | CURVE(0, 0),
(CURVE(0, 14) << 2) | CURVE(0, 13));
write_reg(par, 0xC3,
(CURVE(1, 8) << 4) | CURVE(1, 7),
(CURVE(1, 10) << 4) | CURVE(1, 9),
(CURVE(1, 12) << 4) | CURVE(1, 11),
CURVE(1, 2),
(CURVE(1, 4) << 4) | CURVE(1, 3),
CURVE(1, 5),
CURVE(1, 6),
(CURVE(1, 1) << 4) | CURVE(1, 0));
mdelay(10);
return 0;
}
#undef CURVE
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.txbuflen = TXBUFLEN,
.gamma_num = 2,
.gamma_len = 15,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "himax,hx8340bn", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:hx8340bn");
MODULE_ALIAS("platform:hx8340bn");
MODULE_DESCRIPTION("FB driver for the HX8340BN LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_hx8340bn.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ILI9340 LCD Controller
*
* Copyright (C) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_ili9340"
#define WIDTH 240
#define HEIGHT 320
/* Init sequence taken from: Arduino Library for the Adafruit 2.2" display */
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, 0xEF, 0x03, 0x80, 0x02);
write_reg(par, 0xCF, 0x00, 0XC1, 0X30);
write_reg(par, 0xED, 0x64, 0x03, 0X12, 0X81);
write_reg(par, 0xE8, 0x85, 0x00, 0x78);
write_reg(par, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02);
write_reg(par, 0xF7, 0x20);
write_reg(par, 0xEA, 0x00, 0x00);
/* Power Control 1 */
write_reg(par, 0xC0, 0x23);
/* Power Control 2 */
write_reg(par, 0xC1, 0x10);
/* VCOM Control 1 */
write_reg(par, 0xC5, 0x3e, 0x28);
/* VCOM Control 2 */
write_reg(par, 0xC7, 0x86);
/* COLMOD: Pixel Format Set */
/* 16 bits/pixel */
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
/* Frame Rate Control */
/* Division ratio = fosc, Frame Rate = 79Hz */
write_reg(par, 0xB1, 0x00, 0x18);
/* Display Function Control */
write_reg(par, 0xB6, 0x08, 0x82, 0x27);
/* Gamma Function Disable */
write_reg(par, 0xF2, 0x00);
/* Gamma curve selection */
write_reg(par, MIPI_DCS_SET_GAMMA_CURVE, 0x01);
/* Positive Gamma Correction */
write_reg(par, 0xE0,
0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, 0xF1,
0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00);
/* Negative Gamma Correction */
write_reg(par, 0xE1,
0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, 0xC1,
0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F);
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
mdelay(120);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xFF, xe >> 8, xe & 0xFF);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xFF, ye >> 8, ye & 0xFF);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
#define ILI9340_MADCTL_MV 0x20
#define ILI9340_MADCTL_MX 0x40
#define ILI9340_MADCTL_MY 0x80
static int set_var(struct fbtft_par *par)
{
u8 val;
switch (par->info->var.rotate) {
case 270:
val = ILI9340_MADCTL_MV;
break;
case 180:
val = ILI9340_MADCTL_MY;
break;
case 90:
val = ILI9340_MADCTL_MV | ILI9340_MADCTL_MY | ILI9340_MADCTL_MX;
break;
default:
val = ILI9340_MADCTL_MX;
break;
}
/* Memory Access Control */
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, val | (par->bgr << 3));
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9340", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ili9340");
MODULE_ALIAS("platform:ili9340");
MODULE_DESCRIPTION("FB driver for the ILI9340 LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ili9340.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ILI9486 LCD Controller
*
* Copyright (C) 2014 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_ili9486"
#define WIDTH 320
#define HEIGHT 480
/* this init sequence matches PiScreen */
static const s16 default_init_sequence[] = {
/* Interface Mode Control */
-1, 0xb0, 0x0,
-1, MIPI_DCS_EXIT_SLEEP_MODE,
-2, 250,
/* Interface Pixel Format */
-1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55,
/* Power Control 3 */
-1, 0xC2, 0x44,
/* VCOM Control 1 */
-1, 0xC5, 0x00, 0x00, 0x00, 0x00,
/* PGAMCTRL(Positive Gamma Control) */
-1, 0xE0, 0x0F, 0x1F, 0x1C, 0x0C, 0x0F, 0x08, 0x48, 0x98,
0x37, 0x0A, 0x13, 0x04, 0x11, 0x0D, 0x00,
/* NGAMCTRL(Negative Gamma Control) */
-1, 0xE1, 0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75,
0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00,
/* Digital Gamma Control 1 */
-1, 0xE2, 0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75,
0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00,
-1, MIPI_DCS_EXIT_SLEEP_MODE,
-1, MIPI_DCS_SET_DISPLAY_ON,
/* end marker */
-3
};
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xFF, xe >> 8, xe & 0xFF);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xFF, ye >> 8, ye & 0xFF);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
case 0:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
0x80 | (par->bgr << 3));
break;
case 90:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
0x20 | (par->bgr << 3));
break;
case 180:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
0x40 | (par->bgr << 3));
break;
case 270:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
0xE0 | (par->bgr << 3));
break;
default:
break;
}
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.init_sequence = default_init_sequence,
.fbtftops = {
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9486", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ili9486");
MODULE_ALIAS("platform:ili9486");
MODULE_DESCRIPTION("FB driver for the ILI9486 LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ili9486.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the uPD161704 LCD Controller
*
* Copyright (C) 2014 Seong-Woo Kim
*
* Based on fb_ili9325.c by Noralf Tronnes
* Based on ili9325.c by Jeroen Domburg
* Init code from UTFT library by Henning Karlsen
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_upd161704"
#define WIDTH 240
#define HEIGHT 320
#define BPP 16
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
/* Initialization sequence from Lib_UTFT */
/* register reset */
write_reg(par, 0x0003, 0x0001); /* Soft reset */
/* oscillator start */
write_reg(par, 0x003A, 0x0001); /*Oscillator 0: stop, 1: operation */
udelay(100);
/* y-setting */
write_reg(par, 0x0024, 0x007B); /* amplitude setting */
udelay(10);
write_reg(par, 0x0025, 0x003B); /* amplitude setting */
write_reg(par, 0x0026, 0x0034); /* amplitude setting */
udelay(10);
write_reg(par, 0x0027, 0x0004); /* amplitude setting */
write_reg(par, 0x0052, 0x0025); /* circuit setting 1 */
udelay(10);
write_reg(par, 0x0053, 0x0033); /* circuit setting 2 */
write_reg(par, 0x0061, 0x001C); /* adjustment V10 positive polarity */
udelay(10);
write_reg(par, 0x0062, 0x002C); /* adjustment V9 negative polarity */
write_reg(par, 0x0063, 0x0022); /* adjustment V34 positive polarity */
udelay(10);
write_reg(par, 0x0064, 0x0027); /* adjustment V31 negative polarity */
udelay(10);
write_reg(par, 0x0065, 0x0014); /* adjustment V61 negative polarity */
udelay(10);
write_reg(par, 0x0066, 0x0010); /* adjustment V61 negative polarity */
/* Basical clock for 1 line (BASECOUNT[7:0]) number specified */
write_reg(par, 0x002E, 0x002D);
/* Power supply setting */
write_reg(par, 0x0019, 0x0000); /* DC/DC output setting */
udelay(200);
write_reg(par, 0x001A, 0x1000); /* DC/DC frequency setting */
write_reg(par, 0x001B, 0x0023); /* DC/DC rising setting */
write_reg(par, 0x001C, 0x0C01); /* Regulator voltage setting */
write_reg(par, 0x001D, 0x0000); /* Regulator current setting */
write_reg(par, 0x001E, 0x0009); /* VCOM output setting */
write_reg(par, 0x001F, 0x0035); /* VCOM amplitude setting */
write_reg(par, 0x0020, 0x0015); /* VCOMM cencter setting */
write_reg(par, 0x0018, 0x1E7B); /* DC/DC operation setting */
/* windows setting */
write_reg(par, 0x0008, 0x0000); /* Minimum X address */
write_reg(par, 0x0009, 0x00EF); /* Maximum X address */
write_reg(par, 0x000a, 0x0000); /* Minimum Y address */
write_reg(par, 0x000b, 0x013F); /* Maximum Y address */
/* LCD display area setting */
write_reg(par, 0x0029, 0x0000); /* [LCDSIZE] X MIN. size set */
write_reg(par, 0x002A, 0x0000); /* [LCDSIZE] Y MIN. size set */
write_reg(par, 0x002B, 0x00EF); /* [LCDSIZE] X MAX. size set */
write_reg(par, 0x002C, 0x013F); /* [LCDSIZE] Y MAX. size set */
/* Gate scan setting */
write_reg(par, 0x0032, 0x0002);
/* n line inversion line number */
write_reg(par, 0x0033, 0x0000);
/* Line inversion/frame inversion/interlace setting */
write_reg(par, 0x0037, 0x0000);
/* Gate scan operation setting register */
write_reg(par, 0x003B, 0x0001);
/* Color mode */
/*GS = 0: 260-k color (64 gray scale), GS = 1: 8 color (2 gray scale) */
write_reg(par, 0x0004, 0x0000);
/* RAM control register */
write_reg(par, 0x0005, 0x0000); /*Window access 00:Normal, 10:Window */
/* Display setting register 2 */
write_reg(par, 0x0001, 0x0000);
/* display setting */
write_reg(par, 0x0000, 0x0000); /* display on */
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
switch (par->info->var.rotate) {
/* R20h = Horizontal GRAM Start Address */
/* R21h = Vertical GRAM Start Address */
case 0:
write_reg(par, 0x0006, xs);
write_reg(par, 0x0007, ys);
break;
case 180:
write_reg(par, 0x0006, WIDTH - 1 - xs);
write_reg(par, 0x0007, HEIGHT - 1 - ys);
break;
case 270:
write_reg(par, 0x0006, WIDTH - 1 - ys);
write_reg(par, 0x0007, xs);
break;
case 90:
write_reg(par, 0x0006, ys);
write_reg(par, 0x0007, HEIGHT - 1 - xs);
break;
}
write_reg(par, 0x0e); /* Write Data to GRAM */
}
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
/* AM: GRAM update direction */
case 0:
write_reg(par, 0x01, 0x0000);
write_reg(par, 0x05, 0x0000);
break;
case 180:
write_reg(par, 0x01, 0x00C0);
write_reg(par, 0x05, 0x0000);
break;
case 270:
write_reg(par, 0x01, 0x0080);
write_reg(par, 0x05, 0x0001);
break;
case 90:
write_reg(par, 0x01, 0x0040);
write_reg(par, 0x05, 0x0001);
break;
}
return 0;
}
static struct fbtft_display display = {
.regwidth = 16,
.width = WIDTH,
.height = HEIGHT,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "nec,upd161704", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:upd161704");
MODULE_ALIAS("platform:upd161704");
MODULE_DESCRIPTION("FB driver for the uPD161704 LCD Controller");
MODULE_AUTHOR("Seong-Woo Kim");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_upd161704.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ST7789V LCD Controller
*
* Copyright (C) 2015 Dennis Menschel
*/
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/completion.h>
#include <linux/module.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_st7789v"
#define DEFAULT_GAMMA \
"70 2C 2E 15 10 09 48 33 53 0B 19 18 20 25\n" \
"70 2C 2E 15 10 09 48 33 53 0B 19 18 20 25"
#define HSD20_IPS_GAMMA \
"D0 05 0A 09 08 05 2E 44 45 0F 17 16 2B 33\n" \
"D0 05 0A 09 08 05 2E 43 45 0F 16 16 2B 33"
#define HSD20_IPS 1
/**
* enum st7789v_command - ST7789V display controller commands
*
* @PORCTRL: porch setting
* @GCTRL: gate control
* @VCOMS: VCOM setting
* @VDVVRHEN: VDV and VRH command enable
* @VRHS: VRH set
* @VDVS: VDV set
* @VCMOFSET: VCOM offset set
* @PWCTRL1: power control 1
* @PVGAMCTRL: positive voltage gamma control
* @NVGAMCTRL: negative voltage gamma control
*
* The command names are the same as those found in the datasheet to ease
* looking up their semantics and usage.
*
* Note that the ST7789V display controller offers quite a few more commands
* which have been omitted from this list as they are not used at the moment.
* Furthermore, commands that are compliant with the MIPI DCS have been left
* out as well to avoid duplicate entries.
*/
enum st7789v_command {
PORCTRL = 0xB2,
GCTRL = 0xB7,
VCOMS = 0xBB,
VDVVRHEN = 0xC2,
VRHS = 0xC3,
VDVS = 0xC4,
VCMOFSET = 0xC5,
PWCTRL1 = 0xD0,
PVGAMCTRL = 0xE0,
NVGAMCTRL = 0xE1,
};
#define MADCTL_BGR BIT(3) /* bitmask for RGB/BGR order */
#define MADCTL_MV BIT(5) /* bitmask for page/column order */
#define MADCTL_MX BIT(6) /* bitmask for column address order */
#define MADCTL_MY BIT(7) /* bitmask for page address order */
/* 60Hz for 16.6ms, configured as 2*16.6ms */
#define PANEL_TE_TIMEOUT_MS 33
static struct completion panel_te; /* completion for panel TE line */
static int irq_te; /* Linux IRQ for LCD TE line */
static irqreturn_t panel_te_handler(int irq, void *data)
{
complete(&panel_te);
return IRQ_HANDLED;
}
/*
* init_tearing_effect_line() - init tearing effect line.
* @par: FBTFT parameter object.
*
* Return: 0 on success, or a negative error code otherwise.
*/
static int init_tearing_effect_line(struct fbtft_par *par)
{
struct device *dev = par->info->device;
struct gpio_desc *te;
int rc, irq;
te = gpiod_get_optional(dev, "te", GPIOD_IN);
if (IS_ERR(te))
return dev_err_probe(dev, PTR_ERR(te), "Failed to request te GPIO\n");
/* if te is NULL, indicating no configuration, directly return success */
if (!te) {
irq_te = 0;
return 0;
}
irq = gpiod_to_irq(te);
/* GPIO is locked as an IRQ, we may drop the reference */
gpiod_put(te);
if (irq < 0)
return irq;
irq_te = irq;
init_completion(&panel_te);
/* The effective state is high and lasts no more than 1000 microseconds */
rc = devm_request_irq(dev, irq_te, panel_te_handler,
IRQF_TRIGGER_RISING, "TE_GPIO", par);
if (rc)
return dev_err_probe(dev, rc, "TE IRQ request failed.\n");
disable_irq_nosync(irq_te);
return 0;
}
/**
* init_display() - initialize the display controller
*
* @par: FBTFT parameter object
*
* Most of the commands in this init function set their parameters to the
* same default values which are already in place after the display has been
* powered up. (The main exception to this rule is the pixel format which
* would default to 18 instead of 16 bit per pixel.)
* Nonetheless, this sequence can be used as a template for concrete
* displays which usually need some adjustments.
*
* Return: 0 on success, < 0 if error occurred.
*/
static int init_display(struct fbtft_par *par)
{
int rc;
par->fbtftops.reset(par);
rc = init_tearing_effect_line(par);
if (rc)
return rc;
/* turn off sleep mode */
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
mdelay(120);
/* set pixel format to RGB-565 */
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT);
if (HSD20_IPS)
write_reg(par, PORCTRL, 0x05, 0x05, 0x00, 0x33, 0x33);
else
write_reg(par, PORCTRL, 0x08, 0x08, 0x00, 0x22, 0x22);
/*
* VGH = 13.26V
* VGL = -10.43V
*/
if (HSD20_IPS)
write_reg(par, GCTRL, 0x75);
else
write_reg(par, GCTRL, 0x35);
/*
* VDV and VRH register values come from command write
* (instead of NVM)
*/
write_reg(par, VDVVRHEN, 0x01, 0xFF);
/*
* VAP = 4.1V + (VCOM + VCOM offset + 0.5 * VDV)
* VAN = -4.1V + (VCOM + VCOM offset + 0.5 * VDV)
*/
if (HSD20_IPS)
write_reg(par, VRHS, 0x13);
else
write_reg(par, VRHS, 0x0B);
/* VDV = 0V */
write_reg(par, VDVS, 0x20);
/* VCOM = 0.9V */
if (HSD20_IPS)
write_reg(par, VCOMS, 0x22);
else
write_reg(par, VCOMS, 0x20);
/* VCOM offset = 0V */
write_reg(par, VCMOFSET, 0x20);
/*
* AVDD = 6.8V
* AVCL = -4.8V
* VDS = 2.3V
*/
write_reg(par, PWCTRL1, 0xA4, 0xA1);
/* TE line output is off by default when powering on */
if (irq_te)
write_reg(par, MIPI_DCS_SET_TEAR_ON, 0x00);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
if (HSD20_IPS)
write_reg(par, MIPI_DCS_ENTER_INVERT_MODE);
return 0;
}
/*
* write_vmem() - write data to display.
* @par: FBTFT parameter object.
* @offset: offset from screen_buffer.
* @len: the length of data to be writte.
*
* Return: 0 on success, or a negative error code otherwise.
*/
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
struct device *dev = par->info->device;
int ret;
if (irq_te) {
enable_irq(irq_te);
reinit_completion(&panel_te);
ret = wait_for_completion_timeout(&panel_te,
msecs_to_jiffies(PANEL_TE_TIMEOUT_MS));
if (ret == 0)
dev_err(dev, "wait panel TE timeout\n");
disable_irq(irq_te);
}
switch (par->pdata->display.buswidth) {
case 8:
ret = fbtft_write_vmem16_bus8(par, offset, len);
break;
case 9:
ret = fbtft_write_vmem16_bus9(par, offset, len);
break;
case 16:
ret = fbtft_write_vmem16_bus16(par, offset, len);
break;
default:
dev_err(dev, "Unsupported buswidth %d\n",
par->pdata->display.buswidth);
ret = 0;
break;
}
return ret;
}
/**
* set_var() - apply LCD properties like rotation and BGR mode
*
* @par: FBTFT parameter object
*
* Return: 0 on success, < 0 if error occurred.
*/
static int set_var(struct fbtft_par *par)
{
u8 madctl_par = 0;
if (par->bgr)
madctl_par |= MADCTL_BGR;
switch (par->info->var.rotate) {
case 0:
break;
case 90:
madctl_par |= (MADCTL_MV | MADCTL_MY);
break;
case 180:
madctl_par |= (MADCTL_MX | MADCTL_MY);
break;
case 270:
madctl_par |= (MADCTL_MV | MADCTL_MX);
break;
default:
return -EINVAL;
}
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, madctl_par);
return 0;
}
/**
* set_gamma() - set gamma curves
*
* @par: FBTFT parameter object
* @curves: gamma curves
*
* Before the gamma curves are applied, they are preprocessed with a bitmask
* to ensure syntactically correct input for the display controller.
* This implies that the curves input parameter might be changed by this
* function and that illegal gamma values are auto-corrected and not
* reported as errors.
*
* Return: 0 on success, < 0 if error occurred.
*/
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
int i;
int j;
int c; /* curve index offset */
/*
* Bitmasks for gamma curve command parameters.
* The masks are the same for both positive and negative voltage
* gamma curves.
*/
static const u8 gamma_par_mask[] = {
0xFF, /* V63[3:0], V0[3:0]*/
0x3F, /* V1[5:0] */
0x3F, /* V2[5:0] */
0x1F, /* V4[4:0] */
0x1F, /* V6[4:0] */
0x3F, /* J0[1:0], V13[3:0] */
0x7F, /* V20[6:0] */
0x77, /* V36[2:0], V27[2:0] */
0x7F, /* V43[6:0] */
0x3F, /* J1[1:0], V50[3:0] */
0x1F, /* V57[4:0] */
0x1F, /* V59[4:0] */
0x3F, /* V61[5:0] */
0x3F, /* V62[5:0] */
};
for (i = 0; i < par->gamma.num_curves; i++) {
c = i * par->gamma.num_values;
for (j = 0; j < par->gamma.num_values; j++)
curves[c + j] &= gamma_par_mask[j];
write_reg(par, PVGAMCTRL + i,
curves[c + 0], curves[c + 1], curves[c + 2],
curves[c + 3], curves[c + 4], curves[c + 5],
curves[c + 6], curves[c + 7], curves[c + 8],
curves[c + 9], curves[c + 10], curves[c + 11],
curves[c + 12], curves[c + 13]);
}
return 0;
}
/**
* blank() - blank the display
*
* @par: FBTFT parameter object
* @on: whether to enable or disable blanking the display
*
* Return: 0 on success, < 0 if error occurred.
*/
static int blank(struct fbtft_par *par, bool on)
{
if (on)
write_reg(par, MIPI_DCS_SET_DISPLAY_OFF);
else
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = 240,
.height = 320,
.gamma_num = 2,
.gamma_len = 14,
.gamma = HSD20_IPS_GAMMA,
.fbtftops = {
.init_display = init_display,
.write_vmem = write_vmem,
.set_var = set_var,
.set_gamma = set_gamma,
.blank = blank,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "sitronix,st7789v", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:st7789v");
MODULE_ALIAS("platform:st7789v");
MODULE_DESCRIPTION("FB driver for the ST7789V LCD Controller");
MODULE_AUTHOR("Dennis Menschel");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_st7789v.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the SH1106 OLED Controller
* Based on the SSD1306 driver by Noralf Tronnes
*
* Copyright (C) 2017 Heiner Kallweit
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_sh1106"
#define WIDTH 128
#define HEIGHT 64
/* Init sequence based on the Adafruit SSD1306 Arduino library */
static int init_display(struct fbtft_par *par)
{
if (!par->info->var.xres || par->info->var.xres > WIDTH ||
!par->info->var.yres || par->info->var.yres > HEIGHT ||
par->info->var.yres % 8) {
dev_err(par->info->device, "Invalid screen size\n");
return -EINVAL;
}
if (par->info->var.rotate) {
dev_err(par->info->device, "Display rotation not supported\n");
return -EINVAL;
}
par->fbtftops.reset(par);
/* Set Display OFF */
write_reg(par, 0xAE);
/* Set Display Clock Divide Ratio/ Oscillator Frequency */
write_reg(par, 0xD5, 0x80);
/* Set Multiplex Ratio */
write_reg(par, 0xA8, par->info->var.yres - 1);
/* Set Display Offset */
write_reg(par, 0xD3, 0x00);
/* Set Display Start Line */
write_reg(par, 0x40 | 0x0);
/* Set Segment Re-map */
/* column address 127 is mapped to SEG0 */
write_reg(par, 0xA0 | 0x1);
/* Set COM Output Scan Direction */
/* remapped mode. Scan from COM[N-1] to COM0 */
write_reg(par, 0xC8);
/* Set COM Pins Hardware Configuration */
if (par->info->var.yres == 64)
/* A[4]=1b, Alternative COM pin configuration */
write_reg(par, 0xDA, 0x12);
else if (par->info->var.yres == 48)
/* A[4]=1b, Alternative COM pin configuration */
write_reg(par, 0xDA, 0x12);
else
/* A[4]=0b, Sequential COM pin configuration */
write_reg(par, 0xDA, 0x02);
/* Set Pre-charge Period */
write_reg(par, 0xD9, 0xF1);
/* Set VCOMH Deselect Level */
write_reg(par, 0xDB, 0x40);
/* Set Display ON */
write_reg(par, 0xAF);
msleep(150);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
}
static int blank(struct fbtft_par *par, bool on)
{
fbtft_par_dbg(DEBUG_BLANK, par, "(%s=%s)\n",
__func__, on ? "true" : "false");
write_reg(par, on ? 0xAE : 0xAF);
return 0;
}
/* Gamma is used to control Contrast */
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
/* apply mask */
curves[0] &= 0xFF;
/* Set Contrast Control for BANK0 */
write_reg(par, 0x81, curves[0]);
return 0;
}
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u32 xres = par->info->var.xres;
int page, page_start, page_end, x, i, ret;
u8 *buf = par->txbuf.buf;
/* offset refers to vmem with 2 bytes element size */
page_start = offset / (8 * 2 * xres);
page_end = DIV_ROUND_UP(offset + len, 8 * 2 * xres);
for (page = page_start; page < page_end; page++) {
/* set page and set column to 2 because of vidmem width 132 */
write_reg(par, 0xb0 | page, 0x00 | 2, 0x10 | 0);
memset(buf, 0, xres);
for (x = 0; x < xres; x++)
for (i = 0; i < 8; i++)
if (vmem16[(page * 8 + i) * xres + x])
buf[x] |= BIT(i);
/* Write data */
ret = fbtft_write_buf_dc(par, buf, xres, 1);
if (ret < 0)
return ret;
}
return 0;
}
static void write_register(struct fbtft_par *par, int len, ...)
{
va_list args;
int i;
va_start(args, len);
for (i = 0; i < len; i++)
par->buf[i] = va_arg(args, unsigned int);
/* keep DC low for all command bytes to transfer */
fbtft_write_buf_dc(par, par->buf, len, 0);
va_end(args);
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.txbuflen = WIDTH,
.gamma_num = 1,
.gamma_len = 1,
/* set default contrast to 0xcd = 80% */
.gamma = "cd",
.fbtftops = {
.write_vmem = write_vmem,
.write_register = write_register,
.init_display = init_display,
.set_addr_win = set_addr_win,
.blank = blank,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_SPI_DRIVER(DRVNAME, "sinowealth", "sh1106", &display);
MODULE_DESCRIPTION("SH1106 OLED Driver");
MODULE_AUTHOR("Heiner Kallweit");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_sh1106.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the SSD1325 OLED Controller
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_ssd1325"
#define WIDTH 128
#define HEIGHT 64
#define GAMMA_NUM 1
#define GAMMA_LEN 15
#define DEFAULT_GAMMA "7 1 1 1 1 2 2 3 3 4 4 5 5 6 6"
/*
* write_reg() caveat:
*
* This doesn't work because D/C has to be LOW for both values:
* write_reg(par, val1, val2);
*
* Do it like this:
* write_reg(par, val1);
* write_reg(par, val2);
*/
/* Init sequence taken from the Adafruit SSD1306 Arduino library */
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, 0xb3);
write_reg(par, 0xf0);
write_reg(par, 0xae);
write_reg(par, 0xa1);
write_reg(par, 0x00);
write_reg(par, 0xa8);
write_reg(par, 0x3f);
write_reg(par, 0xa0);
write_reg(par, 0x45);
write_reg(par, 0xa2);
write_reg(par, 0x40);
write_reg(par, 0x75);
write_reg(par, 0x00);
write_reg(par, 0x3f);
write_reg(par, 0x15);
write_reg(par, 0x00);
write_reg(par, 0x7f);
write_reg(par, 0xa4);
write_reg(par, 0xaf);
return 0;
}
static uint8_t rgb565_to_g16(u16 pixel)
{
u16 b = pixel & 0x1f;
u16 g = (pixel & (0x3f << 5)) >> 5;
u16 r = (pixel & (0x1f << (5 + 6))) >> (5 + 6);
pixel = (299 * r + 587 * g + 114 * b) / 195;
if (pixel > 255)
pixel = 255;
return (uint8_t)pixel / 16;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
fbtft_par_dbg(DEBUG_SET_ADDR_WIN, par,
"%s(xs=%d, ys=%d, xe=%d, ye=%d)\n", __func__, xs, ys, xe,
ye);
write_reg(par, 0x75);
write_reg(par, 0x00);
write_reg(par, 0x3f);
write_reg(par, 0x15);
write_reg(par, 0x00);
write_reg(par, 0x7f);
}
static int blank(struct fbtft_par *par, bool on)
{
fbtft_par_dbg(DEBUG_BLANK, par, "(%s=%s)\n",
__func__, on ? "true" : "false");
if (on)
write_reg(par, 0xAE);
else
write_reg(par, 0xAF);
return 0;
}
/*
* Grayscale Lookup Table
* GS1 - GS15
* The "Gamma curve" contains the relative values between the entries
* in the Lookup table.
*
* 0 = Setting of GS1 < Setting of GS2 < Setting of GS3.....<
* Setting of GS14 < Setting of GS15
*/
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
int i;
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
for (i = 0; i < GAMMA_LEN; i++) {
if (i > 0 && curves[i] < 1) {
dev_err(par->info->device,
"Illegal value in Grayscale Lookup Table at index %d.\n"
"Must be greater than 0\n", i);
return -EINVAL;
}
if (curves[i] > 7) {
dev_err(par->info->device,
"Illegal value(s) in Grayscale Lookup Table.\n"
"At index=%d, the accumulated value has exceeded 7\n",
i);
return -EINVAL;
}
}
write_reg(par, 0xB8);
for (i = 0; i < 8; i++)
write_reg(par, (curves[i] & 0xFF));
return 0;
}
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
u8 n1;
u8 n2;
int y, x;
int ret;
for (x = 0; x < par->info->var.xres; x++) {
if (x % 2)
continue;
for (y = 0; y < par->info->var.yres; y++) {
n1 = rgb565_to_g16(vmem16[y * par->info->var.xres + x]);
n2 = rgb565_to_g16(vmem16
[y * par->info->var.xres + x + 1]);
*buf = (n1 << 4) | n2;
buf++;
}
}
gpiod_set_value(par->gpio.dc, 1);
/* Write data */
ret = par->fbtftops.write(par, par->txbuf.buf,
par->info->var.xres * par->info->var.yres / 2);
if (ret < 0)
dev_err(par->info->device,
"%s: write failed and returned: %d\n", __func__, ret);
return ret;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.txbuflen = WIDTH * HEIGHT / 2,
.gamma_num = GAMMA_NUM,
.gamma_len = GAMMA_LEN,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.write_vmem = write_vmem,
.init_display = init_display,
.set_addr_win = set_addr_win,
.blank = blank,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1325", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ssd1325");
MODULE_ALIAS("platform:ssd1325");
MODULE_DESCRIPTION("SSD1325 OLED Driver");
MODULE_AUTHOR("Alexey Mednyy");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ssd1325.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the TLS8204 LCD Controller
*
* The display is monochrome and the video memory is RGB565.
* Any pixel value except 0 turns the pixel on.
*
* Copyright (C) 2013 Noralf Tronnes
* Copyright (C) 2014 Michael Hope (adapted for the TLS8204)
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_tls8204"
#define WIDTH 84
#define HEIGHT 48
#define TXBUFLEN WIDTH
/* gamma is used to control contrast in this driver */
#define DEFAULT_GAMMA "40"
static unsigned int bs = 4;
module_param(bs, uint, 0000);
MODULE_PARM_DESC(bs, "BS[2:0] Bias voltage level: 0-7 (default: 4)");
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
/* Enter extended command mode */
write_reg(par, 0x21); /* 5:1 1
* 2:0 PD - Powerdown control: chip is active
* 1:0 V - Entry mode: horizontal addressing
* 0:1 H - Extended instruction set control:
* extended
*/
/* H=1 Bias system */
write_reg(par, 0x10 | (bs & 0x7));
/* 4:1 1
* 3:0 0
* 2:x BS2 - Bias System
* 1:x BS1
* 0:x BS0
*/
/* Set the address of the first display line. */
write_reg(par, 0x04 | (64 >> 6));
write_reg(par, 0x40 | (64 & 0x3F));
/* Enter H=0 standard command mode */
write_reg(par, 0x20);
/* H=0 Display control */
write_reg(par, 0x08 | 4);
/* 3:1 1
* 2:1 D - DE: 10=normal mode
* 1:0 0
* 0:0 E
*/
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
/* H=0 Set X address of RAM */
write_reg(par, 0x80); /* 7:1 1
* 6-0: X[6:0] - 0x00
*/
/* H=0 Set Y address of RAM */
write_reg(par, 0x40); /* 7:0 0
* 6:1 1
* 2-0: Y[2:0] - 0x0
*/
}
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_buffer;
int x, y, i;
int ret = 0;
for (y = 0; y < HEIGHT / 8; y++) {
u8 *buf = par->txbuf.buf;
/* The display is 102x68 but the LCD is 84x48.
* Set the write pointer at the start of each row.
*/
gpiod_set_value(par->gpio.dc, 0);
write_reg(par, 0x80 | 0);
write_reg(par, 0x40 | y);
for (x = 0; x < WIDTH; x++) {
u8 ch = 0;
for (i = 0; i < 8 * WIDTH; i += WIDTH) {
ch >>= 1;
if (vmem16[(y * 8 * WIDTH) + i + x])
ch |= 0x80;
}
*buf++ = ch;
}
/* Write the row */
gpiod_set_value(par->gpio.dc, 1);
ret = par->fbtftops.write(par, par->txbuf.buf, WIDTH);
if (ret < 0) {
dev_err(par->info->device,
"write failed and returned: %d\n", ret);
break;
}
}
return ret;
}
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
/* apply mask */
curves[0] &= 0x7F;
write_reg(par, 0x21); /* turn on extended instruction set */
write_reg(par, 0x80 | curves[0]);
write_reg(par, 0x20); /* turn off extended instruction set */
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.txbuflen = TXBUFLEN,
.gamma_num = 1,
.gamma_len = 1,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.write_vmem = write_vmem,
.set_gamma = set_gamma,
},
.backlight = 1,
};
FBTFT_REGISTER_DRIVER(DRVNAME, "teralane,tls8204", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("spi:tls8204");
MODULE_DESCRIPTION("FB driver for the TLS8204 LCD Controller");
MODULE_AUTHOR("Michael Hope");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_tls8204.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Noralf Tronnes
*
* This driver is inspired by:
* st7735fb.c, Copyright (C) 2011, Matt Porter
* broadsheetfb.c, Copyright (C) 2008, Jaya Kumar
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include <linux/uaccess.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/spinlock.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#include "internal.h"
static unsigned long debug;
module_param(debug, ulong, 0000);
MODULE_PARM_DESC(debug, "override device debug level");
int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc)
{
int ret;
gpiod_set_value(par->gpio.dc, dc);
ret = par->fbtftops.write(par, buf, len);
if (ret < 0)
dev_err(par->info->device,
"write() failed and returned %d\n", ret);
return ret;
}
EXPORT_SYMBOL(fbtft_write_buf_dc);
void fbtft_dbg_hex(const struct device *dev, int groupsize,
const void *buf, size_t len, const char *fmt, ...)
{
va_list args;
static char textbuf[512];
char *text = textbuf;
size_t text_len;
va_start(args, fmt);
text_len = vscnprintf(text, sizeof(textbuf), fmt, args);
va_end(args);
hex_dump_to_buffer(buf, len, 32, groupsize, text + text_len,
512 - text_len, false);
if (len > 32)
dev_info(dev, "%s ...\n", text);
else
dev_info(dev, "%s\n", text);
}
EXPORT_SYMBOL(fbtft_dbg_hex);
static int fbtft_request_one_gpio(struct fbtft_par *par,
const char *name, int index,
struct gpio_desc **gpiop)
{
struct device *dev = par->info->device;
*gpiop = devm_gpiod_get_index_optional(dev, name, index,
GPIOD_OUT_LOW);
if (IS_ERR(*gpiop))
return dev_err_probe(dev, PTR_ERR(*gpiop), "Failed to request %s GPIO\n", name);
fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n",
__func__, name);
return 0;
}
static int fbtft_request_gpios(struct fbtft_par *par)
{
int i;
int ret;
ret = fbtft_request_one_gpio(par, "reset", 0, &par->gpio.reset);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "dc", 0, &par->gpio.dc);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "rd", 0, &par->gpio.rd);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "wr", 0, &par->gpio.wr);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "cs", 0, &par->gpio.cs);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "latch", 0, &par->gpio.latch);
if (ret)
return ret;
for (i = 0; i < 16; i++) {
ret = fbtft_request_one_gpio(par, "db", i,
&par->gpio.db[i]);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "led", i,
&par->gpio.led[i]);
if (ret)
return ret;
ret = fbtft_request_one_gpio(par, "aux", i,
&par->gpio.aux[i]);
if (ret)
return ret;
}
return 0;
}
static int fbtft_backlight_update_status(struct backlight_device *bd)
{
struct fbtft_par *par = bl_get_data(bd);
bool polarity = par->polarity;
fbtft_par_dbg(DEBUG_BACKLIGHT, par,
"%s: polarity=%d, power=%d, fb_blank=%d\n",
__func__, polarity, bd->props.power, bd->props.fb_blank);
if (!backlight_is_blank(bd))
gpiod_set_value(par->gpio.led[0], polarity);
else
gpiod_set_value(par->gpio.led[0], !polarity);
return 0;
}
static int fbtft_backlight_get_brightness(struct backlight_device *bd)
{
return bd->props.brightness;
}
void fbtft_unregister_backlight(struct fbtft_par *par)
{
if (par->info->bl_dev) {
par->info->bl_dev->props.power = FB_BLANK_POWERDOWN;
backlight_update_status(par->info->bl_dev);
backlight_device_unregister(par->info->bl_dev);
par->info->bl_dev = NULL;
}
}
EXPORT_SYMBOL(fbtft_unregister_backlight);
static const struct backlight_ops fbtft_bl_ops = {
.get_brightness = fbtft_backlight_get_brightness,
.update_status = fbtft_backlight_update_status,
};
void fbtft_register_backlight(struct fbtft_par *par)
{
struct backlight_device *bd;
struct backlight_properties bl_props = { 0, };
if (!par->gpio.led[0]) {
fbtft_par_dbg(DEBUG_BACKLIGHT, par,
"%s(): led pin not set, exiting.\n", __func__);
return;
}
bl_props.type = BACKLIGHT_RAW;
/* Assume backlight is off, get polarity from current state of pin */
bl_props.power = FB_BLANK_POWERDOWN;
if (!gpiod_get_value(par->gpio.led[0]))
par->polarity = true;
bd = backlight_device_register(dev_driver_string(par->info->device),
par->info->device, par,
&fbtft_bl_ops, &bl_props);
if (IS_ERR(bd)) {
dev_err(par->info->device,
"cannot register backlight device (%ld)\n",
PTR_ERR(bd));
return;
}
par->info->bl_dev = bd;
if (!par->fbtftops.unregister_backlight)
par->fbtftops.unregister_backlight = fbtft_unregister_backlight;
}
EXPORT_SYMBOL(fbtft_register_backlight);
static void fbtft_set_addr_win(struct fbtft_par *par, int xs, int ys, int xe,
int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
(xs >> 8) & 0xFF, xs & 0xFF, (xe >> 8) & 0xFF, xe & 0xFF);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
(ys >> 8) & 0xFF, ys & 0xFF, (ye >> 8) & 0xFF, ye & 0xFF);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
static void fbtft_reset(struct fbtft_par *par)
{
if (!par->gpio.reset)
return;
fbtft_par_dbg(DEBUG_RESET, par, "%s()\n", __func__);
gpiod_set_value_cansleep(par->gpio.reset, 1);
usleep_range(20, 40);
gpiod_set_value_cansleep(par->gpio.reset, 0);
msleep(120);
gpiod_set_value_cansleep(par->gpio.cs, 1); /* Activate chip */
}
static void fbtft_update_display(struct fbtft_par *par, unsigned int start_line,
unsigned int end_line)
{
size_t offset, len;
ktime_t ts_start, ts_end;
long fps, throughput;
bool timeit = false;
int ret = 0;
if (unlikely(par->debug & (DEBUG_TIME_FIRST_UPDATE |
DEBUG_TIME_EACH_UPDATE))) {
if ((par->debug & DEBUG_TIME_EACH_UPDATE) ||
((par->debug & DEBUG_TIME_FIRST_UPDATE) &&
!par->first_update_done)) {
ts_start = ktime_get();
timeit = true;
}
}
/* Sanity checks */
if (start_line > end_line) {
dev_warn(par->info->device,
"%s: start_line=%u is larger than end_line=%u. Shouldn't happen, will do full display update\n",
__func__, start_line, end_line);
start_line = 0;
end_line = par->info->var.yres - 1;
}
if (start_line > par->info->var.yres - 1 ||
end_line > par->info->var.yres - 1) {
dev_warn(par->info->device,
"%s: start_line=%u or end_line=%u is larger than max=%d. Shouldn't happen, will do full display update\n",
__func__, start_line,
end_line, par->info->var.yres - 1);
start_line = 0;
end_line = par->info->var.yres - 1;
}
fbtft_par_dbg(DEBUG_UPDATE_DISPLAY, par, "%s(start_line=%u, end_line=%u)\n",
__func__, start_line, end_line);
if (par->fbtftops.set_addr_win)
par->fbtftops.set_addr_win(par, 0, start_line,
par->info->var.xres - 1, end_line);
offset = start_line * par->info->fix.line_length;
len = (end_line - start_line + 1) * par->info->fix.line_length;
ret = par->fbtftops.write_vmem(par, offset, len);
if (ret < 0)
dev_err(par->info->device,
"%s: write_vmem failed to update display buffer\n",
__func__);
if (unlikely(timeit)) {
ts_end = ktime_get();
if (!ktime_to_ns(par->update_time))
par->update_time = ts_start;
fps = ktime_us_delta(ts_start, par->update_time);
par->update_time = ts_start;
fps = fps ? 1000000 / fps : 0;
throughput = ktime_us_delta(ts_end, ts_start);
throughput = throughput ? (len * 1000) / throughput : 0;
throughput = throughput * 1000 / 1024;
dev_info(par->info->device,
"Display update: %ld kB/s, fps=%ld\n",
throughput, fps);
par->first_update_done = true;
}
}
static void fbtft_mkdirty(struct fb_info *info, int y, int height)
{
struct fbtft_par *par = info->par;
struct fb_deferred_io *fbdefio = info->fbdefio;
/* special case, needed ? */
if (y == -1) {
y = 0;
height = info->var.yres;
}
/* Mark display lines/area as dirty */
spin_lock(&par->dirty_lock);
if (y < par->dirty_lines_start)
par->dirty_lines_start = y;
if (y + height - 1 > par->dirty_lines_end)
par->dirty_lines_end = y + height - 1;
spin_unlock(&par->dirty_lock);
/* Schedule deferred_io to update display (no-op if already on queue)*/
schedule_delayed_work(&info->deferred_work, fbdefio->delay);
}
static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflist)
{
struct fbtft_par *par = info->par;
unsigned int dirty_lines_start, dirty_lines_end;
struct fb_deferred_io_pageref *pageref;
unsigned int y_low = 0, y_high = 0;
int count = 0;
spin_lock(&par->dirty_lock);
dirty_lines_start = par->dirty_lines_start;
dirty_lines_end = par->dirty_lines_end;
/* set display line markers as clean */
par->dirty_lines_start = par->info->var.yres - 1;
par->dirty_lines_end = 0;
spin_unlock(&par->dirty_lock);
/* Mark display lines as dirty */
list_for_each_entry(pageref, pagereflist, list) {
count++;
y_low = pageref->offset / info->fix.line_length;
y_high = (pageref->offset + PAGE_SIZE - 1) / info->fix.line_length;
dev_dbg(info->device,
"page->index=%lu y_low=%d y_high=%d\n",
pageref->page->index, y_low, y_high);
if (y_high > info->var.yres - 1)
y_high = info->var.yres - 1;
if (y_low < dirty_lines_start)
dirty_lines_start = y_low;
if (y_high > dirty_lines_end)
dirty_lines_end = y_high;
}
par->fbtftops.update_display(info->par,
dirty_lines_start, dirty_lines_end);
}
static void fbtft_fb_fillrect(struct fb_info *info,
const struct fb_fillrect *rect)
{
struct fbtft_par *par = info->par;
dev_dbg(info->dev,
"%s: dx=%d, dy=%d, width=%d, height=%d\n",
__func__, rect->dx, rect->dy, rect->width, rect->height);
sys_fillrect(info, rect);
par->fbtftops.mkdirty(info, rect->dy, rect->height);
}
static void fbtft_fb_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct fbtft_par *par = info->par;
dev_dbg(info->dev,
"%s: dx=%d, dy=%d, width=%d, height=%d\n",
__func__, area->dx, area->dy, area->width, area->height);
sys_copyarea(info, area);
par->fbtftops.mkdirty(info, area->dy, area->height);
}
static void fbtft_fb_imageblit(struct fb_info *info,
const struct fb_image *image)
{
struct fbtft_par *par = info->par;
dev_dbg(info->dev,
"%s: dx=%d, dy=%d, width=%d, height=%d\n",
__func__, image->dx, image->dy, image->width, image->height);
sys_imageblit(info, image);
par->fbtftops.mkdirty(info, image->dy, image->height);
}
static ssize_t fbtft_fb_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
struct fbtft_par *par = info->par;
ssize_t res;
dev_dbg(info->dev,
"%s: count=%zd, ppos=%llu\n", __func__, count, *ppos);
res = fb_sys_write(info, buf, count, ppos);
/* TODO: only mark changed area update all for now */
par->fbtftops.mkdirty(info, -1, 0);
return res;
}
/* from pxafb.c */
static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf)
{
chan &= 0xffff;
chan >>= 16 - bf->length;
return chan << bf->offset;
}
static int fbtft_fb_setcolreg(unsigned int regno, unsigned int red,
unsigned int green, unsigned int blue,
unsigned int transp, struct fb_info *info)
{
unsigned int val;
int ret = 1;
dev_dbg(info->dev,
"%s(regno=%u, red=0x%X, green=0x%X, blue=0x%X, trans=0x%X)\n",
__func__, regno, red, green, blue, transp);
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
if (regno < 16) {
u32 *pal = info->pseudo_palette;
val = chan_to_field(red, &info->var.red);
val |= chan_to_field(green, &info->var.green);
val |= chan_to_field(blue, &info->var.blue);
pal[regno] = val;
ret = 0;
}
break;
}
return ret;
}
static int fbtft_fb_blank(int blank, struct fb_info *info)
{
struct fbtft_par *par = info->par;
int ret = -EINVAL;
dev_dbg(info->dev, "%s(blank=%d)\n",
__func__, blank);
if (!par->fbtftops.blank)
return ret;
switch (blank) {
case FB_BLANK_POWERDOWN:
case FB_BLANK_VSYNC_SUSPEND:
case FB_BLANK_HSYNC_SUSPEND:
case FB_BLANK_NORMAL:
ret = par->fbtftops.blank(par, true);
break;
case FB_BLANK_UNBLANK:
ret = par->fbtftops.blank(par, false);
break;
}
return ret;
}
static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src)
{
if (src->write)
dst->write = src->write;
if (src->read)
dst->read = src->read;
if (src->write_vmem)
dst->write_vmem = src->write_vmem;
if (src->write_register)
dst->write_register = src->write_register;
if (src->set_addr_win)
dst->set_addr_win = src->set_addr_win;
if (src->reset)
dst->reset = src->reset;
if (src->mkdirty)
dst->mkdirty = src->mkdirty;
if (src->update_display)
dst->update_display = src->update_display;
if (src->init_display)
dst->init_display = src->init_display;
if (src->blank)
dst->blank = src->blank;
if (src->request_gpios_match)
dst->request_gpios_match = src->request_gpios_match;
if (src->request_gpios)
dst->request_gpios = src->request_gpios;
if (src->verify_gpios)
dst->verify_gpios = src->verify_gpios;
if (src->register_backlight)
dst->register_backlight = src->register_backlight;
if (src->unregister_backlight)
dst->unregister_backlight = src->unregister_backlight;
if (src->set_var)
dst->set_var = src->set_var;
if (src->set_gamma)
dst->set_gamma = src->set_gamma;
}
/**
* fbtft_framebuffer_alloc - creates a new frame buffer info structure
*
* @display: pointer to structure describing the display
* @dev: pointer to the device for this fb, this can be NULL
* @pdata: platform data for the display in use
*
* Creates a new frame buffer info structure.
*
* Also creates and populates the following structures:
* info->fbops
* info->fbdefio
* info->pseudo_palette
* par->fbtftops
* par->txbuf
*
* Returns the new structure, or NULL if an error occurred.
*
*/
struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
struct device *dev,
struct fbtft_platform_data *pdata)
{
struct fb_info *info;
struct fbtft_par *par;
struct fb_ops *fbops = NULL;
struct fb_deferred_io *fbdefio = NULL;
u8 *vmem = NULL;
void *txbuf = NULL;
void *buf = NULL;
unsigned int width;
unsigned int height;
int txbuflen = display->txbuflen;
unsigned int bpp = display->bpp;
unsigned int fps = display->fps;
int vmem_size;
const s16 *init_sequence = display->init_sequence;
char *gamma = display->gamma;
u32 *gamma_curves = NULL;
/* sanity check */
if (display->gamma_num * display->gamma_len >
FBTFT_GAMMA_MAX_VALUES_TOTAL) {
dev_err(dev, "FBTFT_GAMMA_MAX_VALUES_TOTAL=%d is exceeded\n",
FBTFT_GAMMA_MAX_VALUES_TOTAL);
return NULL;
}
/* defaults */
if (!fps)
fps = 20;
if (!bpp)
bpp = 16;
if (!pdata) {
dev_err(dev, "platform data is missing\n");
return NULL;
}
/* override driver values? */
if (pdata->fps)
fps = pdata->fps;
if (pdata->txbuflen)
txbuflen = pdata->txbuflen;
if (pdata->display.init_sequence)
init_sequence = pdata->display.init_sequence;
if (pdata->gamma)
gamma = pdata->gamma;
if (pdata->display.debug)
display->debug = pdata->display.debug;
if (pdata->display.backlight)
display->backlight = pdata->display.backlight;
if (pdata->display.width)
display->width = pdata->display.width;
if (pdata->display.height)
display->height = pdata->display.height;
if (pdata->display.buswidth)
display->buswidth = pdata->display.buswidth;
if (pdata->display.regwidth)
display->regwidth = pdata->display.regwidth;
display->debug |= debug;
fbtft_expand_debug_value(&display->debug);
switch (pdata->rotate) {
case 90:
case 270:
width = display->height;
height = display->width;
break;
default:
width = display->width;
height = display->height;
}
vmem_size = display->width * display->height * bpp / 8;
vmem = vzalloc(vmem_size);
if (!vmem)
goto alloc_fail;
fbops = devm_kzalloc(dev, sizeof(struct fb_ops), GFP_KERNEL);
if (!fbops)
goto alloc_fail;
fbdefio = devm_kzalloc(dev, sizeof(struct fb_deferred_io), GFP_KERNEL);
if (!fbdefio)
goto alloc_fail;
buf = devm_kzalloc(dev, 128, GFP_KERNEL);
if (!buf)
goto alloc_fail;
if (display->gamma_num && display->gamma_len) {
gamma_curves = devm_kcalloc(dev,
display->gamma_num *
display->gamma_len,
sizeof(gamma_curves[0]),
GFP_KERNEL);
if (!gamma_curves)
goto alloc_fail;
}
info = framebuffer_alloc(sizeof(struct fbtft_par), dev);
if (!info)
goto alloc_fail;
info->screen_buffer = vmem;
info->fbops = fbops;
info->fbdefio = fbdefio;
fbops->owner = dev->driver->owner;
fbops->fb_read = fb_sys_read;
fbops->fb_write = fbtft_fb_write;
fbops->fb_fillrect = fbtft_fb_fillrect;
fbops->fb_copyarea = fbtft_fb_copyarea;
fbops->fb_imageblit = fbtft_fb_imageblit;
fbops->fb_setcolreg = fbtft_fb_setcolreg;
fbops->fb_blank = fbtft_fb_blank;
fbops->fb_mmap = fb_deferred_io_mmap;
fbdefio->delay = HZ / fps;
fbdefio->sort_pagereflist = true;
fbdefio->deferred_io = fbtft_deferred_io;
snprintf(info->fix.id, sizeof(info->fix.id), "%s", dev->driver->name);
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.xpanstep = 0;
info->fix.ypanstep = 0;
info->fix.ywrapstep = 0;
info->fix.line_length = width * bpp / 8;
info->fix.accel = FB_ACCEL_NONE;
info->fix.smem_len = vmem_size;
fb_deferred_io_init(info);
info->var.rotate = pdata->rotate;
info->var.xres = width;
info->var.yres = height;
info->var.xres_virtual = info->var.xres;
info->var.yres_virtual = info->var.yres;
info->var.bits_per_pixel = bpp;
info->var.nonstd = 1;
/* RGB565 */
info->var.red.offset = 11;
info->var.red.length = 5;
info->var.green.offset = 5;
info->var.green.length = 6;
info->var.blue.offset = 0;
info->var.blue.length = 5;
info->var.transp.offset = 0;
info->var.transp.length = 0;
info->flags = FBINFO_VIRTFB;
par = info->par;
par->info = info;
par->pdata = pdata;
par->debug = display->debug;
par->buf = buf;
spin_lock_init(&par->dirty_lock);
par->bgr = pdata->bgr;
par->startbyte = pdata->startbyte;
par->init_sequence = init_sequence;
par->gamma.curves = gamma_curves;
par->gamma.num_curves = display->gamma_num;
par->gamma.num_values = display->gamma_len;
mutex_init(&par->gamma.lock);
info->pseudo_palette = par->pseudo_palette;
if (par->gamma.curves && gamma) {
if (fbtft_gamma_parse_str(par, par->gamma.curves, gamma,
strlen(gamma)))
goto release_framebuf;
}
/* Transmit buffer */
if (txbuflen == -1)
txbuflen = vmem_size + 2; /* add in case startbyte is used */
if (txbuflen >= vmem_size + 2)
txbuflen = 0;
#ifdef __LITTLE_ENDIAN
if ((!txbuflen) && (bpp > 8))
txbuflen = PAGE_SIZE; /* need buffer for byteswapping */
#endif
if (txbuflen > 0) {
txbuf = devm_kzalloc(par->info->device, txbuflen, GFP_KERNEL);
if (!txbuf)
goto release_framebuf;
par->txbuf.buf = txbuf;
par->txbuf.len = txbuflen;
}
/* default fbtft operations */
par->fbtftops.write = fbtft_write_spi;
par->fbtftops.read = fbtft_read_spi;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
par->fbtftops.write_register = fbtft_write_reg8_bus8;
par->fbtftops.set_addr_win = fbtft_set_addr_win;
par->fbtftops.reset = fbtft_reset;
par->fbtftops.mkdirty = fbtft_mkdirty;
par->fbtftops.update_display = fbtft_update_display;
if (display->backlight)
par->fbtftops.register_backlight = fbtft_register_backlight;
/* use driver provided functions */
fbtft_merge_fbtftops(&par->fbtftops, &display->fbtftops);
return info;
release_framebuf:
framebuffer_release(info);
alloc_fail:
vfree(vmem);
return NULL;
}
EXPORT_SYMBOL(fbtft_framebuffer_alloc);
/**
* fbtft_framebuffer_release - frees up all memory used by the framebuffer
*
* @info: frame buffer info structure
*
*/
void fbtft_framebuffer_release(struct fb_info *info)
{
fb_deferred_io_cleanup(info);
vfree(info->screen_buffer);
framebuffer_release(info);
}
EXPORT_SYMBOL(fbtft_framebuffer_release);
/**
* fbtft_register_framebuffer - registers a tft frame buffer device
* @fb_info: frame buffer info structure
*
* Sets SPI driverdata if needed
* Requests needed gpios.
* Initializes display
* Updates display.
* Registers a frame buffer device @fb_info.
*
* Returns negative errno on error, or zero for success.
*
*/
int fbtft_register_framebuffer(struct fb_info *fb_info)
{
int ret;
char text1[50] = "";
char text2[50] = "";
struct fbtft_par *par = fb_info->par;
struct spi_device *spi = par->spi;
/* sanity checks */
if (!par->fbtftops.init_display) {
dev_err(fb_info->device, "missing fbtftops.init_display()\n");
return -EINVAL;
}
if (spi)
spi_set_drvdata(spi, fb_info);
if (par->pdev)
platform_set_drvdata(par->pdev, fb_info);
ret = par->fbtftops.request_gpios(par);
if (ret < 0)
goto reg_fail;
if (par->fbtftops.verify_gpios) {
ret = par->fbtftops.verify_gpios(par);
if (ret < 0)
goto reg_fail;
}
ret = par->fbtftops.init_display(par);
if (ret < 0)
goto reg_fail;
if (par->fbtftops.set_var) {
ret = par->fbtftops.set_var(par);
if (ret < 0)
goto reg_fail;
}
/* update the entire display */
par->fbtftops.update_display(par, 0, par->info->var.yres - 1);
if (par->fbtftops.set_gamma && par->gamma.curves) {
ret = par->fbtftops.set_gamma(par, par->gamma.curves);
if (ret)
goto reg_fail;
}
if (par->fbtftops.register_backlight)
par->fbtftops.register_backlight(par);
ret = register_framebuffer(fb_info);
if (ret < 0)
goto reg_fail;
fbtft_sysfs_init(par);
if (par->txbuf.buf && par->txbuf.len >= 1024)
sprintf(text1, ", %zu KiB buffer memory", par->txbuf.len >> 10);
if (spi)
sprintf(text2, ", spi%d.%d at %d MHz", spi->master->bus_num,
spi_get_chipselect(spi, 0), spi->max_speed_hz / 1000000);
dev_info(fb_info->dev,
"%s frame buffer, %dx%d, %d KiB video memory%s, fps=%lu%s\n",
fb_info->fix.id, fb_info->var.xres, fb_info->var.yres,
fb_info->fix.smem_len >> 10, text1,
HZ / fb_info->fbdefio->delay, text2);
/* Turn on backlight if available */
if (fb_info->bl_dev) {
fb_info->bl_dev->props.power = FB_BLANK_UNBLANK;
fb_info->bl_dev->ops->update_status(fb_info->bl_dev);
}
return 0;
reg_fail:
if (par->fbtftops.unregister_backlight)
par->fbtftops.unregister_backlight(par);
return ret;
}
EXPORT_SYMBOL(fbtft_register_framebuffer);
/**
* fbtft_unregister_framebuffer - releases a tft frame buffer device
* @fb_info: frame buffer info structure
*
* Frees SPI driverdata if needed
* Frees gpios.
* Unregisters frame buffer device.
*
*/
int fbtft_unregister_framebuffer(struct fb_info *fb_info)
{
struct fbtft_par *par = fb_info->par;
if (par->fbtftops.unregister_backlight)
par->fbtftops.unregister_backlight(par);
fbtft_sysfs_exit(par);
unregister_framebuffer(fb_info);
return 0;
}
EXPORT_SYMBOL(fbtft_unregister_framebuffer);
/**
* fbtft_init_display_from_property() - Device Tree init_display() function
* @par: Driver data
*
* Return: 0 if successful, negative if error
*/
static int fbtft_init_display_from_property(struct fbtft_par *par)
{
struct device *dev = par->info->device;
int buf[64], count, index, i, j, ret;
u32 *values;
u32 val;
count = device_property_count_u32(dev, "init");
if (count < 0)
return count;
if (count == 0)
return -EINVAL;
values = kmalloc_array(count + 1, sizeof(*values), GFP_KERNEL);
if (!values)
return -ENOMEM;
ret = device_property_read_u32_array(dev, "init", values, count);
if (ret)
goto out_free;
par->fbtftops.reset(par);
index = -1;
val = values[++index];
while (index < count) {
if (val & FBTFT_OF_INIT_CMD) {
val &= 0xFFFF;
i = 0;
while ((index < count) && !(val & 0xFFFF0000)) {
if (i > 63) {
dev_err(dev,
"%s: Maximum register values exceeded\n",
__func__);
ret = -EINVAL;
goto out_free;
}
buf[i++] = val;
val = values[++index];
}
/* make debug message */
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"init: write_register:\n");
for (j = 0; j < i; j++)
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"buf[%d] = %02X\n", j, buf[j]);
par->fbtftops.write_register(par, i,
buf[0], buf[1], buf[2], buf[3],
buf[4], buf[5], buf[6], buf[7],
buf[8], buf[9], buf[10], buf[11],
buf[12], buf[13], buf[14], buf[15],
buf[16], buf[17], buf[18], buf[19],
buf[20], buf[21], buf[22], buf[23],
buf[24], buf[25], buf[26], buf[27],
buf[28], buf[29], buf[30], buf[31],
buf[32], buf[33], buf[34], buf[35],
buf[36], buf[37], buf[38], buf[39],
buf[40], buf[41], buf[42], buf[43],
buf[44], buf[45], buf[46], buf[47],
buf[48], buf[49], buf[50], buf[51],
buf[52], buf[53], buf[54], buf[55],
buf[56], buf[57], buf[58], buf[59],
buf[60], buf[61], buf[62], buf[63]);
} else if (val & FBTFT_OF_INIT_DELAY) {
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"init: msleep(%u)\n", val & 0xFFFF);
msleep(val & 0xFFFF);
val = values[++index];
} else {
dev_err(dev, "illegal init value 0x%X\n", val);
ret = -EINVAL;
goto out_free;
}
}
out_free:
kfree(values);
return ret;
}
/**
* fbtft_init_display() - Generic init_display() function
* @par: Driver data
*
* Uses par->init_sequence to do the initialization
*
* Return: 0 if successful, negative if error
*/
int fbtft_init_display(struct fbtft_par *par)
{
int buf[64];
int i;
int j;
/* sanity check */
if (!par->init_sequence) {
dev_err(par->info->device,
"error: init_sequence is not set\n");
return -EINVAL;
}
/* make sure stop marker exists */
for (i = 0; i < FBTFT_MAX_INIT_SEQUENCE; i++) {
if (par->init_sequence[i] == -3)
break;
}
if (i == FBTFT_MAX_INIT_SEQUENCE) {
dev_err(par->info->device,
"missing stop marker at end of init sequence\n");
return -EINVAL;
}
par->fbtftops.reset(par);
i = 0;
while (i < FBTFT_MAX_INIT_SEQUENCE) {
if (par->init_sequence[i] == -3) {
/* done */
return 0;
}
if (par->init_sequence[i] >= 0) {
dev_err(par->info->device,
"missing delimiter at position %d\n", i);
return -EINVAL;
}
if (par->init_sequence[i + 1] < 0) {
dev_err(par->info->device,
"missing value after delimiter %d at position %d\n",
par->init_sequence[i], i);
return -EINVAL;
}
switch (par->init_sequence[i]) {
case -1:
i++;
/* make debug message */
for (j = 0; par->init_sequence[i + 1 + j] >= 0; j++)
;
fbtft_par_dbg_hex(DEBUG_INIT_DISPLAY, par, par->info->device,
s16, &par->init_sequence[i + 1], j,
"init: write(0x%02X)", par->init_sequence[i]);
/* Write */
j = 0;
while (par->init_sequence[i] >= 0) {
if (j > 63) {
dev_err(par->info->device,
"%s: Maximum register values exceeded\n",
__func__);
return -EINVAL;
}
buf[j++] = par->init_sequence[i++];
}
par->fbtftops.write_register(par, j,
buf[0], buf[1], buf[2], buf[3],
buf[4], buf[5], buf[6], buf[7],
buf[8], buf[9], buf[10], buf[11],
buf[12], buf[13], buf[14], buf[15],
buf[16], buf[17], buf[18], buf[19],
buf[20], buf[21], buf[22], buf[23],
buf[24], buf[25], buf[26], buf[27],
buf[28], buf[29], buf[30], buf[31],
buf[32], buf[33], buf[34], buf[35],
buf[36], buf[37], buf[38], buf[39],
buf[40], buf[41], buf[42], buf[43],
buf[44], buf[45], buf[46], buf[47],
buf[48], buf[49], buf[50], buf[51],
buf[52], buf[53], buf[54], buf[55],
buf[56], buf[57], buf[58], buf[59],
buf[60], buf[61], buf[62], buf[63]);
break;
case -2:
i++;
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"init: mdelay(%d)\n",
par->init_sequence[i]);
mdelay(par->init_sequence[i++]);
break;
default:
dev_err(par->info->device,
"unknown delimiter %d at position %d\n",
par->init_sequence[i], i);
return -EINVAL;
}
}
dev_err(par->info->device,
"%s: something is wrong. Shouldn't get here.\n", __func__);
return -EINVAL;
}
EXPORT_SYMBOL(fbtft_init_display);
/**
* fbtft_verify_gpios() - Generic verify_gpios() function
* @par: Driver data
*
* Uses @spi, @pdev and @buswidth to determine which GPIOs is needed
*
* Return: 0 if successful, negative if error
*/
static int fbtft_verify_gpios(struct fbtft_par *par)
{
struct fbtft_platform_data *pdata = par->pdata;
int i;
fbtft_par_dbg(DEBUG_VERIFY_GPIOS, par, "%s()\n", __func__);
if (pdata->display.buswidth != 9 && par->startbyte == 0 &&
!par->gpio.dc) {
dev_err(par->info->device,
"Missing info about 'dc' gpio. Aborting.\n");
return -EINVAL;
}
if (!par->pdev)
return 0;
if (!par->gpio.wr) {
dev_err(par->info->device, "Missing 'wr' gpio. Aborting.\n");
return -EINVAL;
}
for (i = 0; i < pdata->display.buswidth; i++) {
if (!par->gpio.db[i]) {
dev_err(par->info->device,
"Missing 'db%02d' gpio. Aborting.\n", i);
return -EINVAL;
}
}
return 0;
}
/* returns 0 if the property is not present */
static u32 fbtft_property_value(struct device *dev, const char *propname)
{
int ret;
u32 val = 0;
ret = device_property_read_u32(dev, propname, &val);
if (ret == 0)
dev_info(dev, "%s: %s = %u\n", __func__, propname, val);
return val;
}
static struct fbtft_platform_data *fbtft_properties_read(struct device *dev)
{
struct fbtft_platform_data *pdata;
if (!dev_fwnode(dev)) {
dev_err(dev, "Missing platform data or properties\n");
return ERR_PTR(-EINVAL);
}
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return ERR_PTR(-ENOMEM);
pdata->display.width = fbtft_property_value(dev, "width");
pdata->display.height = fbtft_property_value(dev, "height");
pdata->display.regwidth = fbtft_property_value(dev, "regwidth");
pdata->display.buswidth = fbtft_property_value(dev, "buswidth");
pdata->display.backlight = fbtft_property_value(dev, "backlight");
pdata->display.bpp = fbtft_property_value(dev, "bpp");
pdata->display.debug = fbtft_property_value(dev, "debug");
pdata->rotate = fbtft_property_value(dev, "rotate");
pdata->bgr = device_property_read_bool(dev, "bgr");
pdata->fps = fbtft_property_value(dev, "fps");
pdata->txbuflen = fbtft_property_value(dev, "txbuflen");
pdata->startbyte = fbtft_property_value(dev, "startbyte");
device_property_read_string(dev, "gamma", (const char **)&pdata->gamma);
if (device_property_present(dev, "led-gpios"))
pdata->display.backlight = 1;
if (device_property_present(dev, "init"))
pdata->display.fbtftops.init_display =
fbtft_init_display_from_property;
pdata->display.fbtftops.request_gpios = fbtft_request_gpios;
return pdata;
}
/**
* fbtft_probe_common() - Generic device probe() helper function
* @display: Display properties
* @sdev: SPI device
* @pdev: Platform device
*
* Allocates, initializes and registers a framebuffer
*
* Either @sdev or @pdev should be NULL
*
* Return: 0 if successful, negative if error
*/
int fbtft_probe_common(struct fbtft_display *display,
struct spi_device *sdev,
struct platform_device *pdev)
{
struct device *dev;
struct fb_info *info;
struct fbtft_par *par;
struct fbtft_platform_data *pdata;
int ret;
if (sdev)
dev = &sdev->dev;
else
dev = &pdev->dev;
if (unlikely(display->debug & DEBUG_DRIVER_INIT_FUNCTIONS))
dev_info(dev, "%s()\n", __func__);
pdata = dev->platform_data;
if (!pdata) {
pdata = fbtft_properties_read(dev);
if (IS_ERR(pdata))
return PTR_ERR(pdata);
}
info = fbtft_framebuffer_alloc(display, dev, pdata);
if (!info)
return -ENOMEM;
par = info->par;
par->spi = sdev;
par->pdev = pdev;
if (display->buswidth == 0) {
dev_err(dev, "buswidth is not set\n");
return -EINVAL;
}
/* write register functions */
if (display->regwidth == 8 && display->buswidth == 8)
par->fbtftops.write_register = fbtft_write_reg8_bus8;
else if (display->regwidth == 8 && display->buswidth == 9 && par->spi)
par->fbtftops.write_register = fbtft_write_reg8_bus9;
else if (display->regwidth == 16 && display->buswidth == 8)
par->fbtftops.write_register = fbtft_write_reg16_bus8;
else if (display->regwidth == 16 && display->buswidth == 16)
par->fbtftops.write_register = fbtft_write_reg16_bus16;
else
dev_warn(dev,
"no default functions for regwidth=%d and buswidth=%d\n",
display->regwidth, display->buswidth);
/* write_vmem() functions */
if (display->buswidth == 8)
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
else if (display->buswidth == 9)
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
else if (display->buswidth == 16)
par->fbtftops.write_vmem = fbtft_write_vmem16_bus16;
/* GPIO write() functions */
if (par->pdev) {
if (display->buswidth == 8)
par->fbtftops.write = fbtft_write_gpio8_wr;
else if (display->buswidth == 16)
par->fbtftops.write = fbtft_write_gpio16_wr;
}
/* 9-bit SPI setup */
if (par->spi && display->buswidth == 9) {
if (par->spi->master->bits_per_word_mask & SPI_BPW_MASK(9)) {
par->spi->bits_per_word = 9;
} else {
dev_warn(&par->spi->dev,
"9-bit SPI not available, emulating using 8-bit.\n");
/* allocate buffer with room for dc bits */
par->extra = devm_kzalloc(par->info->device,
par->txbuf.len +
(par->txbuf.len / 8) + 8,
GFP_KERNEL);
if (!par->extra) {
ret = -ENOMEM;
goto out_release;
}
par->fbtftops.write = fbtft_write_spi_emulate_9;
}
}
if (!par->fbtftops.verify_gpios)
par->fbtftops.verify_gpios = fbtft_verify_gpios;
/* make sure we still use the driver provided functions */
fbtft_merge_fbtftops(&par->fbtftops, &display->fbtftops);
/* use init_sequence if provided */
if (par->init_sequence)
par->fbtftops.init_display = fbtft_init_display;
/* use platform_data provided functions above all */
fbtft_merge_fbtftops(&par->fbtftops, &pdata->display.fbtftops);
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}
EXPORT_SYMBOL(fbtft_probe_common);
/**
* fbtft_remove_common() - Generic device remove() helper function
* @dev: Device
* @info: Framebuffer
*
* Unregisters and releases the framebuffer
*/
void fbtft_remove_common(struct device *dev, struct fb_info *info)
{
struct fbtft_par *par;
par = info->par;
if (par)
fbtft_par_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, par,
"%s()\n", __func__);
fbtft_unregister_framebuffer(info);
fbtft_framebuffer_release(info);
}
EXPORT_SYMBOL(fbtft_remove_common);
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fbtft-core.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the HX8357D LCD Controller
* Copyright (C) 2015 Adafruit Industries
*
* Based on the HX8347D FB driver
* Copyright (C) 2013 Christian Vogelgsang
*
* Based on driver code found here: https://github.com/watterott/r61505u-Adapter
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#include "fb_hx8357d.h"
#define DRVNAME "fb_hx8357d"
#define WIDTH 320
#define HEIGHT 480
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
/* Reset things like Gamma */
write_reg(par, MIPI_DCS_SOFT_RESET);
usleep_range(5000, 7000);
/* setextc */
write_reg(par, HX8357D_SETC, 0xFF, 0x83, 0x57);
msleep(150);
/* setRGB which also enables SDO */
write_reg(par, HX8357_SETRGB, 0x00, 0x00, 0x06, 0x06);
/* -1.52V */
write_reg(par, HX8357D_SETCOM, 0x25);
/* Normal mode 70Hz, Idle mode 55 Hz */
write_reg(par, HX8357_SETOSC, 0x68);
/* Set Panel - BGR, Gate direction swapped */
write_reg(par, HX8357_SETPANEL, 0x05);
write_reg(par, HX8357_SETPWR1,
0x00, /* Not deep standby */
0x15, /* BT */
0x1C, /* VSPR */
0x1C, /* VSNR */
0x83, /* AP */
0xAA); /* FS */
write_reg(par, HX8357D_SETSTBA,
0x50, /* OPON normal */
0x50, /* OPON idle */
0x01, /* STBA */
0x3C, /* STBA */
0x1E, /* STBA */
0x08); /* GEN */
write_reg(par, HX8357D_SETCYC,
0x02, /* NW 0x02 */
0x40, /* RTN */
0x00, /* DIV */
0x2A, /* DUM */
0x2A, /* DUM */
0x0D, /* GDON */
0x78); /* GDOFF */
write_reg(par, HX8357D_SETGAMMA,
0x02,
0x0A,
0x11,
0x1d,
0x23,
0x35,
0x41,
0x4b,
0x4b,
0x42,
0x3A,
0x27,
0x1B,
0x08,
0x09,
0x03,
0x02,
0x0A,
0x11,
0x1d,
0x23,
0x35,
0x41,
0x4b,
0x4b,
0x42,
0x3A,
0x27,
0x1B,
0x08,
0x09,
0x03,
0x00,
0x01);
/* 16 bit */
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0xC0);
/* TE off */
write_reg(par, MIPI_DCS_SET_TEAR_ON, 0x00);
/* tear line */
write_reg(par, MIPI_DCS_SET_TEAR_SCANLINE, 0x00, 0x02);
/* Exit Sleep */
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
msleep(150);
/* display on */
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
usleep_range(5000, 7000);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xff, /* XSTART */
xe >> 8, xe & 0xff); /* XEND */
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xff, /* YSTART */
ye >> 8, ye & 0xff); /* YEND */
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
#define HX8357D_MADCTL_MY 0x80
#define HX8357D_MADCTL_MX 0x40
#define HX8357D_MADCTL_MV 0x20
#define HX8357D_MADCTL_ML 0x10
#define HX8357D_MADCTL_RGB 0x00
#define HX8357D_MADCTL_BGR 0x08
#define HX8357D_MADCTL_MH 0x04
static int set_var(struct fbtft_par *par)
{
u8 val;
switch (par->info->var.rotate) {
case 270:
val = HX8357D_MADCTL_MV | HX8357D_MADCTL_MX;
break;
case 180:
val = 0;
break;
case 90:
val = HX8357D_MADCTL_MV | HX8357D_MADCTL_MY;
break;
default:
val = HX8357D_MADCTL_MX | HX8357D_MADCTL_MY;
break;
}
val |= (par->bgr ? HX8357D_MADCTL_RGB : HX8357D_MADCTL_BGR);
/* Memory Access Control */
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, val);
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.gamma_num = 2,
.gamma_len = 14,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "himax,hx8357d", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:hx8357d");
MODULE_ALIAS("platform:hx8357d");
MODULE_DESCRIPTION("FB driver for the HX8357D LCD Controller");
MODULE_AUTHOR("Sean Cross <[email protected]>");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_hx8357d.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the HX8347D LCD Controller
*
* Copyright (C) 2013 Christian Vogelgsang
*
* Based on driver code found here: https://github.com/watterott/r61505u-Adapter
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_hx8347d"
#define WIDTH 320
#define HEIGHT 240
#define DEFAULT_GAMMA "0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" \
"0 0 0 0 0 0 0 0 0 0 0 0 0 0"
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
/* driving ability */
write_reg(par, 0xEA, 0x00);
write_reg(par, 0xEB, 0x20);
write_reg(par, 0xEC, 0x0C);
write_reg(par, 0xED, 0xC4);
write_reg(par, 0xE8, 0x40);
write_reg(par, 0xE9, 0x38);
write_reg(par, 0xF1, 0x01);
write_reg(par, 0xF2, 0x10);
write_reg(par, 0x27, 0xA3);
/* power voltage */
write_reg(par, 0x1B, 0x1B);
write_reg(par, 0x1A, 0x01);
write_reg(par, 0x24, 0x2F);
write_reg(par, 0x25, 0x57);
/* VCOM offset */
write_reg(par, 0x23, 0x8D); /* for flicker adjust */
/* power on */
write_reg(par, 0x18, 0x36);
write_reg(par, 0x19, 0x01); /* start osc */
write_reg(par, 0x01, 0x00); /* wakeup */
write_reg(par, 0x1F, 0x88);
mdelay(5);
write_reg(par, 0x1F, 0x80);
mdelay(5);
write_reg(par, 0x1F, 0x90);
mdelay(5);
write_reg(par, 0x1F, 0xD0);
mdelay(5);
/* color selection */
write_reg(par, 0x17, 0x05); /* 65k */
/*panel characteristic */
write_reg(par, 0x36, 0x00);
/*display on */
write_reg(par, 0x28, 0x38);
mdelay(40);
write_reg(par, 0x28, 0x3C);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, 0x02, (xs >> 8) & 0xFF);
write_reg(par, 0x03, xs & 0xFF);
write_reg(par, 0x04, (xe >> 8) & 0xFF);
write_reg(par, 0x05, xe & 0xFF);
write_reg(par, 0x06, (ys >> 8) & 0xFF);
write_reg(par, 0x07, ys & 0xFF);
write_reg(par, 0x08, (ye >> 8) & 0xFF);
write_reg(par, 0x09, ye & 0xFF);
write_reg(par, 0x22);
}
#define MEM_Y BIT(7) /* MY row address order */
#define MEM_X BIT(6) /* MX column address order */
#define MEM_V BIT(5) /* MV row / column exchange */
#define MEM_L BIT(4) /* ML vertical refresh order */
#define MEM_BGR (3) /* RGB-BGR Order */
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
case 0:
write_reg(par, 0x16, MEM_V | MEM_X | (par->bgr << MEM_BGR));
break;
case 270:
write_reg(par, 0x16, par->bgr << MEM_BGR);
break;
case 180:
write_reg(par, 0x16, MEM_V | MEM_Y | (par->bgr << MEM_BGR));
break;
case 90:
write_reg(par, 0x16, MEM_X | MEM_Y | (par->bgr << MEM_BGR));
break;
}
return 0;
}
/*
* Gamma string format:
* VRP0 VRP1 VRP2 VRP3 VRP4 VRP5 PRP0 PRP1 PKP0 PKP1 PKP2 PKP3 PKP4 CGM
* VRN0 VRN1 VRN2 VRN3 VRN4 VRN5 PRN0 PRN1 PKN0 PKN1 PKN2 PKN3 PKN4 CGM
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
static const unsigned long mask[] = {
0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x7f, 0x7f, 0x1f, 0x1f,
0x1f, 0x1f, 0x1f, 0x0f,
};
int i, j;
int acc = 0;
/* apply mask */
for (i = 0; i < par->gamma.num_curves; i++)
for (j = 0; j < par->gamma.num_values; j++) {
acc += CURVE(i, j);
CURVE(i, j) &= mask[j];
}
if (acc == 0) /* skip if all values are zero */
return 0;
for (i = 0; i < par->gamma.num_curves; i++) {
write_reg(par, 0x40 + (i * 0x10), CURVE(i, 0));
write_reg(par, 0x41 + (i * 0x10), CURVE(i, 1));
write_reg(par, 0x42 + (i * 0x10), CURVE(i, 2));
write_reg(par, 0x43 + (i * 0x10), CURVE(i, 3));
write_reg(par, 0x44 + (i * 0x10), CURVE(i, 4));
write_reg(par, 0x45 + (i * 0x10), CURVE(i, 5));
write_reg(par, 0x46 + (i * 0x10), CURVE(i, 6));
write_reg(par, 0x47 + (i * 0x10), CURVE(i, 7));
write_reg(par, 0x48 + (i * 0x10), CURVE(i, 8));
write_reg(par, 0x49 + (i * 0x10), CURVE(i, 9));
write_reg(par, 0x4A + (i * 0x10), CURVE(i, 10));
write_reg(par, 0x4B + (i * 0x10), CURVE(i, 11));
write_reg(par, 0x4C + (i * 0x10), CURVE(i, 12));
}
write_reg(par, 0x5D, (CURVE(1, 0) << 4) | CURVE(0, 0));
return 0;
}
#undef CURVE
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.gamma_num = 2,
.gamma_len = 14,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "himax,hx8347d", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:hx8347d");
MODULE_ALIAS("platform:hx8347d");
MODULE_DESCRIPTION("FB driver for the HX8347D LCD Controller");
MODULE_AUTHOR("Christian Vogelgsang");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_hx8347d.c |
// SPDX-License-Identifier: GPL-2.0
#include "fbtft.h"
#include "internal.h"
static int get_next_ulong(char **str_p, unsigned long *val, char *sep, int base)
{
char *p_val;
if (!str_p || !(*str_p))
return -EINVAL;
p_val = strsep(str_p, sep);
if (!p_val)
return -EINVAL;
return kstrtoul(p_val, base, val);
}
int fbtft_gamma_parse_str(struct fbtft_par *par, u32 *curves,
const char *str, int size)
{
char *str_p, *curve_p = NULL;
char *tmp;
unsigned long val = 0;
int ret = 0;
int curve_counter, value_counter;
int _count;
fbtft_par_dbg(DEBUG_SYSFS, par, "%s() str=\n", __func__);
if (!str || !curves)
return -EINVAL;
fbtft_par_dbg(DEBUG_SYSFS, par, "%s\n", str);
tmp = kmemdup(str, size + 1, GFP_KERNEL);
if (!tmp)
return -ENOMEM;
/* replace optional separators */
str_p = tmp;
while (*str_p) {
if (*str_p == ',')
*str_p = ' ';
if (*str_p == ';')
*str_p = '\n';
str_p++;
}
str_p = strim(tmp);
curve_counter = 0;
while (str_p) {
if (curve_counter == par->gamma.num_curves) {
dev_err(par->info->device, "Gamma: Too many curves\n");
ret = -EINVAL;
goto out;
}
curve_p = strsep(&str_p, "\n");
value_counter = 0;
while (curve_p) {
if (value_counter == par->gamma.num_values) {
dev_err(par->info->device,
"Gamma: Too many values\n");
ret = -EINVAL;
goto out;
}
ret = get_next_ulong(&curve_p, &val, " ", 16);
if (ret)
goto out;
_count = curve_counter * par->gamma.num_values +
value_counter;
curves[_count] = val;
value_counter++;
}
if (value_counter != par->gamma.num_values) {
dev_err(par->info->device, "Gamma: Too few values\n");
ret = -EINVAL;
goto out;
}
curve_counter++;
}
if (curve_counter != par->gamma.num_curves) {
dev_err(par->info->device, "Gamma: Too few curves\n");
ret = -EINVAL;
goto out;
}
out:
kfree(tmp);
return ret;
}
static ssize_t
sprintf_gamma(struct fbtft_par *par, u32 *curves, char *buf)
{
ssize_t len = 0;
unsigned int i, j;
mutex_lock(&par->gamma.lock);
for (i = 0; i < par->gamma.num_curves; i++) {
for (j = 0; j < par->gamma.num_values; j++)
len += scnprintf(&buf[len], PAGE_SIZE,
"%04x ", curves[i * par->gamma.num_values + j]);
buf[len - 1] = '\n';
}
mutex_unlock(&par->gamma.lock);
return len;
}
static ssize_t store_gamma_curve(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct fb_info *fb_info = dev_get_drvdata(device);
struct fbtft_par *par = fb_info->par;
u32 tmp_curves[FBTFT_GAMMA_MAX_VALUES_TOTAL];
int ret;
ret = fbtft_gamma_parse_str(par, tmp_curves, buf, count);
if (ret)
return ret;
ret = par->fbtftops.set_gamma(par, tmp_curves);
if (ret)
return ret;
mutex_lock(&par->gamma.lock);
memcpy(par->gamma.curves, tmp_curves,
par->gamma.num_curves * par->gamma.num_values *
sizeof(tmp_curves[0]));
mutex_unlock(&par->gamma.lock);
return count;
}
static ssize_t show_gamma_curve(struct device *device,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb_info = dev_get_drvdata(device);
struct fbtft_par *par = fb_info->par;
return sprintf_gamma(par, par->gamma.curves, buf);
}
static struct device_attribute gamma_device_attrs[] = {
__ATTR(gamma, 0660, show_gamma_curve, store_gamma_curve),
};
void fbtft_expand_debug_value(unsigned long *debug)
{
switch (*debug & 0x7) {
case 1:
*debug |= DEBUG_LEVEL_1;
break;
case 2:
*debug |= DEBUG_LEVEL_2;
break;
case 3:
*debug |= DEBUG_LEVEL_3;
break;
case 4:
*debug |= DEBUG_LEVEL_4;
break;
case 5:
*debug |= DEBUG_LEVEL_5;
break;
case 6:
*debug |= DEBUG_LEVEL_6;
break;
case 7:
*debug = 0xFFFFFFFF;
break;
}
}
static ssize_t store_debug(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct fb_info *fb_info = dev_get_drvdata(device);
struct fbtft_par *par = fb_info->par;
int ret;
ret = kstrtoul(buf, 10, &par->debug);
if (ret)
return ret;
fbtft_expand_debug_value(&par->debug);
return count;
}
static ssize_t show_debug(struct device *device,
struct device_attribute *attr, char *buf)
{
struct fb_info *fb_info = dev_get_drvdata(device);
struct fbtft_par *par = fb_info->par;
return sysfs_emit(buf, "%lu\n", par->debug);
}
static struct device_attribute debug_device_attr =
__ATTR(debug, 0660, show_debug, store_debug);
void fbtft_sysfs_init(struct fbtft_par *par)
{
device_create_file(par->info->dev, &debug_device_attr);
if (par->gamma.curves && par->fbtftops.set_gamma)
device_create_file(par->info->dev, &gamma_device_attrs[0]);
}
void fbtft_sysfs_exit(struct fbtft_par *par)
{
device_remove_file(par->info->dev, &debug_device_attr);
if (par->gamma.curves && par->fbtftops.set_gamma)
device_remove_file(par->info->dev, &gamma_device_attrs[0]);
}
| linux-master | drivers/staging/fbtft/fbtft-sysfs.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for Two KS0108 LCD controllers in AGM1264K-FL display
*
* Copyright (C) 2014 ololoshka2871
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include "fbtft.h"
/* Uncomment text line to use negative image on display */
/*#define NEGATIVE*/
#define WHITE 0xff
#define BLACK 0
#define DRVNAME "fb_agm1264k-fl"
#define WIDTH 64
#define HEIGHT 64
#define TOTALWIDTH (WIDTH * 2) /* because 2 x ks0108 in one display */
#define FPS 20
#define EPIN gpio.wr
#define RS gpio.dc
#define RW gpio.aux[2]
#define CS0 gpio.aux[0]
#define CS1 gpio.aux[1]
/* diffusing error (Floyd-Steinberg) */
#define DIFFUSING_MATRIX_WIDTH 2
#define DIFFUSING_MATRIX_HEIGHT 2
static const signed char
diffusing_matrix[DIFFUSING_MATRIX_WIDTH][DIFFUSING_MATRIX_HEIGHT] = {
{-1, 3},
{3, 2},
};
static const unsigned char gamma_correction_table[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6,
6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13,
13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21,
22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32,
33, 33, 34, 35, 35, 36, 37, 38, 39, 39, 40, 41, 42, 43, 43, 44, 45,
46, 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81,
82, 83, 84, 85, 87, 88, 89, 90, 91, 93, 94, 95, 97, 98, 99, 100, 102,
103, 105, 106, 107, 109, 110, 111, 113, 114, 116, 117, 119, 120, 121,
123, 124, 126, 127, 129, 130, 132, 133, 135, 137, 138, 140, 141, 143,
145, 146, 148, 149, 151, 153, 154, 156, 158, 159, 161, 163, 165, 166,
168, 170, 172, 173, 175, 177, 179, 181, 182, 184, 186, 188, 190, 192,
194, 196, 197, 199, 201, 203, 205, 207, 209, 211, 213, 215, 217, 219,
221, 223, 225, 227, 229, 231, 234, 236, 238, 240, 242, 244, 246, 248,
251, 253, 255
};
static int init_display(struct fbtft_par *par)
{
u8 i;
par->fbtftops.reset(par);
for (i = 0; i < 2; ++i) {
write_reg(par, i, 0x3f); /* display on */
write_reg(par, i, 0x40); /* set x to 0 */
write_reg(par, i, 0xb0); /* set page to 0 */
write_reg(par, i, 0xc0); /* set start line to 0 */
}
return 0;
}
/* Check if all necessary GPIOS defined */
static int verify_gpios(struct fbtft_par *par)
{
int i;
dev_dbg(par->info->device,
"%s()\n", __func__);
if (!par->EPIN) {
dev_err(par->info->device,
"Missing info about 'wr' (aka E) gpio. Aborting.\n");
return -EINVAL;
}
for (i = 0; i < 8; ++i) {
if (!par->gpio.db[i]) {
dev_err(par->info->device,
"Missing info about 'db[%i]' gpio. Aborting.\n",
i);
return -EINVAL;
}
}
if (!par->CS0) {
dev_err(par->info->device,
"Missing info about 'cs0' gpio. Aborting.\n");
return -EINVAL;
}
if (!par->CS1) {
dev_err(par->info->device,
"Missing info about 'cs1' gpio. Aborting.\n");
return -EINVAL;
}
if (!par->RW) {
dev_err(par->info->device,
"Missing info about 'rw' gpio. Aborting.\n");
return -EINVAL;
}
return 0;
}
static unsigned long
request_gpios_match(struct fbtft_par *par, const struct fbtft_gpio *gpio)
{
dev_dbg(par->info->device,
"%s('%s')\n", __func__, gpio->name);
if (strcasecmp(gpio->name, "wr") == 0) {
/* left ks0108 E pin */
par->EPIN = gpio->gpio;
return GPIOD_OUT_LOW;
} else if (strcasecmp(gpio->name, "cs0") == 0) {
/* left ks0108 controller pin */
par->CS0 = gpio->gpio;
return GPIOD_OUT_HIGH;
} else if (strcasecmp(gpio->name, "cs1") == 0) {
/* right ks0108 controller pin */
par->CS1 = gpio->gpio;
return GPIOD_OUT_HIGH;
}
/* if write (rw = 0) e(1->0) perform write */
/* if read (rw = 1) e(0->1) set data on D0-7*/
else if (strcasecmp(gpio->name, "rw") == 0) {
par->RW = gpio->gpio;
return GPIOD_OUT_LOW;
}
return FBTFT_GPIO_NO_MATCH;
}
/* This function oses to enter commands
* first byte - destination controller 0 or 1
* following - commands
*/
static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
{
va_list args;
int i, ret;
u8 *buf = par->buf;
if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) {
va_start(args, len);
for (i = 0; i < len; i++)
buf[i] = (u8)va_arg(args, unsigned int);
va_end(args);
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device,
u8, buf, len, "%s: ", __func__);
}
va_start(args, len);
*buf = (u8)va_arg(args, unsigned int);
if (*buf > 1) {
va_end(args);
dev_err(par->info->device,
"Incorrect chip select request (%d)\n", *buf);
return;
}
/* select chip */
if (*buf) {
/* cs1 */
gpiod_set_value(par->CS0, 0);
gpiod_set_value(par->CS1, 1);
} else {
/* cs0 */
gpiod_set_value(par->CS0, 1);
gpiod_set_value(par->CS1, 0);
}
gpiod_set_value(par->RS, 0); /* RS->0 (command mode) */
len--;
if (len) {
i = len;
while (i--)
*buf++ = (u8)va_arg(args, unsigned int);
ret = par->fbtftops.write(par, par->buf, len * (sizeof(u8)));
if (ret < 0) {
va_end(args);
dev_err(par->info->device,
"write() failed and returned %d\n", ret);
return;
}
}
va_end(args);
}
static struct
{
int xs, ys_page, xe, ye_page;
} addr_win;
/* save display writing zone */
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
addr_win.xs = xs;
addr_win.ys_page = ys / 8;
addr_win.xe = xe;
addr_win.ye_page = ye / 8;
}
static void
construct_line_bitmap(struct fbtft_par *par, u8 *dest, signed short *src,
int xs, int xe, int y)
{
int x, i;
for (x = xs; x < xe; ++x) {
u8 res = 0;
for (i = 0; i < 8; i++)
if (src[(y * 8 + i) * par->info->var.xres + x])
res |= 1 << i;
#ifdef NEGATIVE
*dest++ = res;
#else
*dest++ = ~res;
#endif
}
}
static void iterate_diffusion_matrix(u32 xres, u32 yres, int x,
int y, signed short *convert_buf,
signed short pixel, signed short error)
{
u16 i, j;
/* diffusion matrix row */
for (i = 0; i < DIFFUSING_MATRIX_WIDTH; ++i)
/* diffusion matrix column */
for (j = 0; j < DIFFUSING_MATRIX_HEIGHT; ++j) {
signed short *write_pos;
signed char coeff;
/* skip pixels out of zone */
if (x + i < 0 || x + i >= xres || y + j >= yres)
continue;
write_pos = &convert_buf[(y + j) * xres + x + i];
coeff = diffusing_matrix[i][j];
if (-1 == coeff) {
/* pixel itself */
*write_pos = pixel;
} else {
signed short p = *write_pos + error * coeff;
if (p > WHITE)
p = WHITE;
if (p < BLACK)
p = BLACK;
*write_pos = p;
}
}
}
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y;
int ret = 0;
/* buffer to convert RGB565 -> grayscale16 -> Dithered image 1bpp */
signed short *convert_buf = kmalloc_array(par->info->var.xres *
par->info->var.yres, sizeof(signed short), GFP_NOIO);
if (!convert_buf)
return -ENOMEM;
/* converting to grayscale16 */
for (x = 0; x < par->info->var.xres; ++x)
for (y = 0; y < par->info->var.yres; ++y) {
u16 pixel = vmem16[y * par->info->var.xres + x];
u16 b = pixel & 0x1f;
u16 g = (pixel & (0x3f << 5)) >> 5;
u16 r = (pixel & (0x1f << (5 + 6))) >> (5 + 6);
pixel = (299 * r + 587 * g + 114 * b) / 200;
if (pixel > 255)
pixel = 255;
/* gamma-correction by table */
convert_buf[y * par->info->var.xres + x] =
(signed short)gamma_correction_table[pixel];
}
/* Image Dithering */
for (x = 0; x < par->info->var.xres; ++x)
for (y = 0; y < par->info->var.yres; ++y) {
signed short pixel =
convert_buf[y * par->info->var.xres + x];
signed short error_b = pixel - BLACK;
signed short error_w = pixel - WHITE;
signed short error;
/* what color close? */
if (abs(error_b) >= abs(error_w)) {
/* white */
error = error_w;
pixel = 0xff;
} else {
/* black */
error = error_b;
pixel = 0;
}
error /= 8;
iterate_diffusion_matrix(par->info->var.xres,
par->info->var.yres,
x, y, convert_buf,
pixel, error);
}
/* 1 string = 2 pages */
for (y = addr_win.ys_page; y <= addr_win.ye_page; ++y) {
/* left half of display */
if (addr_win.xs < par->info->var.xres / 2) {
construct_line_bitmap(par, buf, convert_buf,
addr_win.xs,
par->info->var.xres / 2, y);
len = par->info->var.xres / 2 - addr_win.xs;
/* select left side (sc0)
* set addr
*/
write_reg(par, 0x00, BIT(6) | (u8)addr_win.xs);
write_reg(par, 0x00, (0x17 << 3) | (u8)y);
/* write bitmap */
gpiod_set_value(par->RS, 1); /* RS->1 (data mode) */
ret = par->fbtftops.write(par, buf, len);
if (ret < 0)
dev_err(par->info->device,
"write failed and returned: %d\n",
ret);
}
/* right half of display */
if (addr_win.xe >= par->info->var.xres / 2) {
construct_line_bitmap(par, buf,
convert_buf,
par->info->var.xres / 2,
addr_win.xe + 1, y);
len = addr_win.xe + 1 - par->info->var.xres / 2;
/* select right side (sc1)
* set addr
*/
write_reg(par, 0x01, BIT(6));
write_reg(par, 0x01, (0x17 << 3) | (u8)y);
/* write bitmap */
gpiod_set_value(par->RS, 1); /* RS->1 (data mode) */
par->fbtftops.write(par, buf, len);
if (ret < 0)
dev_err(par->info->device,
"write failed and returned: %d\n",
ret);
}
}
kfree(convert_buf);
gpiod_set_value(par->CS0, 0);
gpiod_set_value(par->CS1, 0);
return ret;
}
static int write(struct fbtft_par *par, void *buf, size_t len)
{
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
gpiod_set_value(par->RW, 0); /* set write mode */
while (len--) {
u8 i, data;
data = *(u8 *)buf++;
/* set data bus */
for (i = 0; i < 8; ++i)
gpiod_set_value(par->gpio.db[i], data & (1 << i));
/* set E */
gpiod_set_value(par->EPIN, 0);
udelay(5);
/* unset E - write */
gpiod_set_value(par->EPIN, 1);
udelay(1);
}
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = TOTALWIDTH,
.height = HEIGHT,
.fps = FPS,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.verify_gpios = verify_gpios,
.request_gpios_match = request_gpios_match,
.write = write,
.write_register = write_reg8_bus8,
.write_vmem = write_vmem,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "displaytronic,fb_agm1264k-fl", &display);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_DESCRIPTION("Two KS0108 LCD controllers in AGM1264K-FL display");
MODULE_AUTHOR("ololoshka2871");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_agm1264k-fl.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ILI9481 LCD Controller
*
* Copyright (c) 2014 Petr Olivka
* Copyright (c) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_ili9481"
#define WIDTH 320
#define HEIGHT 480
static const s16 default_init_sequence[] = {
/* SLP_OUT - Sleep out */
-1, MIPI_DCS_EXIT_SLEEP_MODE,
-2, 50,
/* Power setting */
-1, 0xD0, 0x07, 0x42, 0x18,
/* VCOM */
-1, 0xD1, 0x00, 0x07, 0x10,
/* Power setting for norm. mode */
-1, 0xD2, 0x01, 0x02,
/* Panel driving setting */
-1, 0xC0, 0x10, 0x3B, 0x00, 0x02, 0x11,
/* Frame rate & inv. */
-1, 0xC5, 0x03,
/* Pixel format */
-1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55,
/* Gamma */
-1, 0xC8, 0x00, 0x32, 0x36, 0x45, 0x06, 0x16,
0x37, 0x75, 0x77, 0x54, 0x0C, 0x00,
/* DISP_ON */
-1, MIPI_DCS_SET_DISPLAY_ON,
-3
};
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
#define HFLIP 0x01
#define VFLIP 0x02
#define ROW_X_COL 0x20
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
case 270:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
ROW_X_COL | HFLIP | VFLIP | (par->bgr << 3));
break;
case 180:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
VFLIP | (par->bgr << 3));
break;
case 90:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
ROW_X_COL | (par->bgr << 3));
break;
default:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
HFLIP | (par->bgr << 3));
break;
}
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.init_sequence = default_init_sequence,
.fbtftops = {
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9481", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ili9481");
MODULE_ALIAS("platform:ili9481");
MODULE_DESCRIPTION("FB driver for the ILI9481 LCD Controller");
MODULE_AUTHOR("Petr Olivka");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ili9481.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the HX8353D LCD Controller
*
* Copyright (c) 2014 Petr Olivka
* Copyright (c) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_hx8353d"
#define DEFAULT_GAMMA "50 77 40 08 BF 00 03 0F 00 01 73 00 72 03 B0 0F 08 00 0F"
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
mdelay(150);
/* SETEXTC */
write_reg(par, 0xB9, 0xFF, 0x83, 0x53);
/* RADJ */
write_reg(par, 0xB0, 0x3C, 0x01);
/* VCOM */
write_reg(par, 0xB6, 0x94, 0x6C, 0x50);
/* PWR */
write_reg(par, 0xB1, 0x00, 0x01, 0x1B, 0x03, 0x01, 0x08, 0x77, 0x89);
/* COLMOD */
write_reg(par, 0x3A, 0x05);
/* MEM ACCESS */
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0xC0);
/* SLPOUT - Sleep out & booster on */
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
mdelay(150);
/* DISPON - Display On */
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
/* RGBSET */
write_reg(par, MIPI_DCS_WRITE_LUT,
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62);
return 0;
};
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
/* column address */
write_reg(par, 0x2a, xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
/* Row address */
write_reg(par, 0x2b, ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
/* memory write */
write_reg(par, 0x2c);
}
#define my BIT(7)
#define mx BIT(6)
#define mv BIT(5)
static int set_var(struct fbtft_par *par)
{
/*
* madctl - memory data access control
* rgb/bgr:
* 1. mode selection pin srgb
* rgb h/w pin for color filter setting: 0=rgb, 1=bgr
* 2. madctl rgb bit
* rgb-bgr order color filter panel: 0=rgb, 1=bgr
*/
switch (par->info->var.rotate) {
case 0:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
mx | my | (par->bgr << 3));
break;
case 270:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
my | mv | (par->bgr << 3));
break;
case 180:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
par->bgr << 3);
break;
case 90:
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
mx | mv | (par->bgr << 3));
break;
}
return 0;
}
/* gamma string format: */
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
write_reg(par, 0xE0,
curves[0], curves[1], curves[2], curves[3],
curves[4], curves[5], curves[6], curves[7],
curves[8], curves[9], curves[10], curves[11],
curves[12], curves[13], curves[14], curves[15],
curves[16], curves[17], curves[18]);
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = 128,
.height = 160,
.gamma_num = 1,
.gamma_len = 19,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "himax,hx8353d", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:hx8353d");
MODULE_ALIAS("platform:hx8353d");
MODULE_DESCRIPTION("FB driver for the HX8353D LCD Controller");
MODULE_AUTHOR("Petr Olivka");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_hx8353d.c |
// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/errno.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include "fbtft.h"
int fbtft_write_spi(struct fbtft_par *par, void *buf, size_t len)
{
struct spi_transfer t = {
.tx_buf = buf,
.len = len,
};
struct spi_message m;
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
if (!par->spi) {
dev_err(par->info->device,
"%s: par->spi is unexpectedly NULL\n", __func__);
return -1;
}
spi_message_init(&m);
spi_message_add_tail(&t, &m);
return spi_sync(par->spi, &m);
}
EXPORT_SYMBOL(fbtft_write_spi);
/**
* fbtft_write_spi_emulate_9() - write SPI emulating 9-bit
* @par: Driver data
* @buf: Buffer to write
* @len: Length of buffer (must be divisible by 8)
*
* When 9-bit SPI is not available, this function can be used to emulate that.
* par->extra must hold a transformation buffer used for transfer.
*/
int fbtft_write_spi_emulate_9(struct fbtft_par *par, void *buf, size_t len)
{
u16 *src = buf;
u8 *dst = par->extra;
size_t size = len / 2;
size_t added = 0;
int bits, i, j;
u64 val, dc, tmp;
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
if (!par->extra) {
dev_err(par->info->device, "%s: error: par->extra is NULL\n",
__func__);
return -EINVAL;
}
if ((len % 8) != 0) {
dev_err(par->info->device,
"error: len=%zu must be divisible by 8\n", len);
return -EINVAL;
}
for (i = 0; i < size; i += 8) {
tmp = 0;
bits = 63;
for (j = 0; j < 7; j++) {
dc = (*src & 0x0100) ? 1 : 0;
val = *src & 0x00FF;
tmp |= dc << bits;
bits -= 8;
tmp |= val << bits--;
src++;
}
tmp |= ((*src & 0x0100) ? 1 : 0);
*(__be64 *)dst = cpu_to_be64(tmp);
dst += 8;
*dst++ = (u8)(*src++ & 0x00FF);
added++;
}
return spi_write(par->spi, par->extra, size + added);
}
EXPORT_SYMBOL(fbtft_write_spi_emulate_9);
int fbtft_read_spi(struct fbtft_par *par, void *buf, size_t len)
{
int ret;
u8 txbuf[32] = { 0, };
struct spi_transfer t = {
.speed_hz = 2000000,
.rx_buf = buf,
.len = len,
};
struct spi_message m;
if (!par->spi) {
dev_err(par->info->device,
"%s: par->spi is unexpectedly NULL\n", __func__);
return -ENODEV;
}
if (par->startbyte) {
if (len > 32) {
dev_err(par->info->device,
"len=%zu can't be larger than 32 when using 'startbyte'\n",
len);
return -EINVAL;
}
txbuf[0] = par->startbyte | 0x3;
t.tx_buf = txbuf;
fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8,
txbuf, len, "%s(len=%zu) txbuf => ",
__func__, len);
}
spi_message_init(&m);
spi_message_add_tail(&t, &m);
ret = spi_sync(par->spi, &m);
fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8, buf, len,
"%s(len=%zu) buf <= ", __func__, len);
return ret;
}
EXPORT_SYMBOL(fbtft_read_spi);
/*
* Optimized use of gpiolib is twice as fast as no optimization
* only one driver can use the optimized version at a time
*/
int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len)
{
u8 data;
int i;
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
static u8 prev_data;
#endif
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
while (len--) {
data = *(u8 *)buf;
/* Start writing by pulling down /WR */
gpiod_set_value(par->gpio.wr, 1);
/* Set data */
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
if (data == prev_data) {
gpiod_set_value(par->gpio.wr, 1); /* used as delay */
} else {
for (i = 0; i < 8; i++) {
if ((data & 1) != (prev_data & 1))
gpiod_set_value(par->gpio.db[i],
data & 1);
data >>= 1;
prev_data >>= 1;
}
}
#else
for (i = 0; i < 8; i++) {
gpiod_set_value(par->gpio.db[i], data & 1);
data >>= 1;
}
#endif
/* Pullup /WR */
gpiod_set_value(par->gpio.wr, 0);
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
prev_data = *(u8 *)buf;
#endif
buf++;
}
return 0;
}
EXPORT_SYMBOL(fbtft_write_gpio8_wr);
int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len)
{
u16 data;
int i;
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
static u16 prev_data;
#endif
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
while (len) {
data = *(u16 *)buf;
/* Start writing by pulling down /WR */
gpiod_set_value(par->gpio.wr, 1);
/* Set data */
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
if (data == prev_data) {
gpiod_set_value(par->gpio.wr, 1); /* used as delay */
} else {
for (i = 0; i < 16; i++) {
if ((data & 1) != (prev_data & 1))
gpiod_set_value(par->gpio.db[i],
data & 1);
data >>= 1;
prev_data >>= 1;
}
}
#else
for (i = 0; i < 16; i++) {
gpiod_set_value(par->gpio.db[i], data & 1);
data >>= 1;
}
#endif
/* Pullup /WR */
gpiod_set_value(par->gpio.wr, 0);
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
prev_data = *(u16 *)buf;
#endif
buf += 2;
len -= 2;
}
return 0;
}
EXPORT_SYMBOL(fbtft_write_gpio16_wr);
int fbtft_write_gpio16_wr_latched(struct fbtft_par *par, void *buf, size_t len)
{
dev_err(par->info->device, "%s: function not implemented\n", __func__);
return -1;
}
EXPORT_SYMBOL(fbtft_write_gpio16_wr_latched);
| linux-master | drivers/staging/fbtft/fbtft-io.c |
// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_ssd1331"
#define WIDTH 96
#define HEIGHT 64
#define GAMMA_NUM 1
#define GAMMA_LEN 63
#define DEFAULT_GAMMA "0 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2 2 " \
"2 2 2 2 2 2 2" \
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, 0xae); /* Display Off */
/* Set Column Address Mapping, COM Scan Direction and Colour Depth */
if (par->info->var.rotate == 180)
write_reg(par, 0xa0, 0x60 | (par->bgr << 2));
else
write_reg(par, 0xa0, 0x72 | (par->bgr << 2));
write_reg(par, 0x72); /* RGB colour */
write_reg(par, 0xa1, 0x00); /* Set Display Start Line */
write_reg(par, 0xa2, 0x00); /* Set Display Offset */
write_reg(par, 0xa4); /* NORMALDISPLAY */
write_reg(par, 0xa8, 0x3f); /* Set multiplex */
write_reg(par, 0xad, 0x8e); /* Set master */
/* write_reg(par, 0xb0, 0x0b); Set power mode */
write_reg(par, 0xb1, 0x31); /* Precharge */
write_reg(par, 0xb3, 0xf0); /* Clock div */
write_reg(par, 0x8a, 0x64); /* Precharge A */
write_reg(par, 0x8b, 0x78); /* Precharge B */
write_reg(par, 0x8c, 0x64); /* Precharge C */
write_reg(par, 0xbb, 0x3a); /* Precharge level */
write_reg(par, 0xbe, 0x3e); /* vcomh */
write_reg(par, 0x87, 0x06); /* Master current */
write_reg(par, 0x81, 0x91); /* Contrast A */
write_reg(par, 0x82, 0x50); /* Contrast B */
write_reg(par, 0x83, 0x7d); /* Contrast C */
write_reg(par, 0xaf); /* Set Sleep Mode Display On */
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, 0x15, xs, xe);
write_reg(par, 0x75, ys, ye);
}
static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
{
va_list args;
int i, ret;
u8 *buf = par->buf;
if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) {
va_start(args, len);
for (i = 0; i < len; i++)
buf[i] = (u8)va_arg(args, unsigned int);
va_end(args);
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device,
u8, buf, len, "%s: ", __func__);
}
va_start(args, len);
*buf = (u8)va_arg(args, unsigned int);
gpiod_set_value(par->gpio.dc, 0);
ret = par->fbtftops.write(par, par->buf, sizeof(u8));
if (ret < 0) {
va_end(args);
dev_err(par->info->device,
"write() failed and returned %d\n", ret);
return;
}
len--;
if (len) {
i = len;
while (i--)
*buf++ = (u8)va_arg(args, unsigned int);
ret = par->fbtftops.write(par, par->buf, len * (sizeof(u8)));
if (ret < 0) {
va_end(args);
dev_err(par->info->device,
"write() failed and returned %d\n", ret);
return;
}
}
gpiod_set_value(par->gpio.dc, 1);
va_end(args);
}
/*
* Grayscale Lookup Table
* GS1 - GS63
* The driver Gamma curve contains the relative values between the entries
* in the Lookup table.
*
* From datasheet:
* 8.8 Gray Scale Decoder
*
* there are total 180 Gamma Settings (Setting 0 to Setting 180)
* available for the Gray Scale table.
*
* The gray scale is defined in incremental way, with reference
* to the length of previous table entry:
* Setting of GS1 has to be >= 0
* Setting of GS2 has to be > Setting of GS1 +1
* Setting of GS3 has to be > Setting of GS2 +1
* :
* Setting of GS63 has to be > Setting of GS62 +1
*
*/
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
unsigned long tmp[GAMMA_NUM * GAMMA_LEN];
int i, acc = 0;
for (i = 0; i < 63; i++) {
if (i > 0 && curves[i] < 2) {
dev_err(par->info->device,
"Illegal value in Grayscale Lookup Table at index %d. Must be greater than 1\n",
i);
return -EINVAL;
}
acc += curves[i];
tmp[i] = acc;
if (acc > 180) {
dev_err(par->info->device,
"Illegal value(s) in Grayscale Lookup Table. At index=%d, the accumulated value has exceeded 180\n",
i);
return -EINVAL;
}
}
write_reg(par, 0xB8,
tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6],
tmp[7], tmp[8], tmp[9], tmp[10], tmp[11], tmp[12], tmp[13],
tmp[14], tmp[15], tmp[16], tmp[17], tmp[18], tmp[19], tmp[20],
tmp[21], tmp[22], tmp[23], tmp[24], tmp[25], tmp[26], tmp[27],
tmp[28], tmp[29], tmp[30], tmp[31], tmp[32], tmp[33], tmp[34],
tmp[35], tmp[36], tmp[37], tmp[38], tmp[39], tmp[40], tmp[41],
tmp[42], tmp[43], tmp[44], tmp[45], tmp[46], tmp[47], tmp[48],
tmp[49], tmp[50], tmp[51], tmp[52], tmp[53], tmp[54], tmp[55],
tmp[56], tmp[57], tmp[58], tmp[59], tmp[60], tmp[61],
tmp[62]);
return 0;
}
static int blank(struct fbtft_par *par, bool on)
{
fbtft_par_dbg(DEBUG_BLANK, par, "(%s=%s)\n",
__func__, on ? "true" : "false");
if (on)
write_reg(par, 0xAE);
else
write_reg(par, 0xAF);
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.gamma_num = GAMMA_NUM,
.gamma_len = GAMMA_LEN,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.write_register = write_reg8_bus8,
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_gamma = set_gamma,
.blank = blank,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1331", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ssd1331");
MODULE_ALIAS("platform:ssd1331");
MODULE_DESCRIPTION("SSD1331 OLED Driver");
MODULE_AUTHOR("Alec Smecher (adapted from SSD1351 by James Davies)");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ssd1331.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the SSD1305 OLED Controller
*
* based on SSD1306 driver by Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include "fbtft.h"
#define DRVNAME "fb_ssd1305"
#define WIDTH 128
#define HEIGHT 64
/*
* write_reg() caveat:
*
* This doesn't work because D/C has to be LOW for both values:
* write_reg(par, val1, val2);
*
* Do it like this:
* write_reg(par, val1);
* write_reg(par, val2);
*/
/* Init sequence taken from the Adafruit SSD1306 Arduino library */
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
if (par->gamma.curves[0] == 0) {
mutex_lock(&par->gamma.lock);
if (par->info->var.yres == 64)
par->gamma.curves[0] = 0xCF;
else
par->gamma.curves[0] = 0x8F;
mutex_unlock(&par->gamma.lock);
}
/* Set Display OFF */
write_reg(par, 0xAE);
/* Set Display Clock Divide Ratio/ Oscillator Frequency */
write_reg(par, 0xD5);
write_reg(par, 0x80);
/* Set Multiplex Ratio */
write_reg(par, 0xA8);
if (par->info->var.yres == 64)
write_reg(par, 0x3F);
else
write_reg(par, 0x1F);
/* Set Display Offset */
write_reg(par, 0xD3);
write_reg(par, 0x0);
/* Set Display Start Line */
write_reg(par, 0x40 | 0x0);
/* Charge Pump Setting */
write_reg(par, 0x8D);
/* A[2] = 1b, Enable charge pump during display on */
write_reg(par, 0x14);
/* Set Memory Addressing Mode */
write_reg(par, 0x20);
/* Vertical addressing mode */
write_reg(par, 0x01);
/*
* Set Segment Re-map
* column address 127 is mapped to SEG0
*/
write_reg(par, 0xA0 | ((par->info->var.rotate == 180) ? 0x0 : 0x1));
/*
* Set COM Output Scan Direction
* remapped mode. Scan from COM[N-1] to COM0
*/
write_reg(par, ((par->info->var.rotate == 180) ? 0xC8 : 0xC0));
/* Set COM Pins Hardware Configuration */
write_reg(par, 0xDA);
if (par->info->var.yres == 64) {
/* A[4]=1b, Alternative COM pin configuration */
write_reg(par, 0x12);
} else {
/* A[4]=0b, Sequential COM pin configuration */
write_reg(par, 0x02);
}
/* Set Pre-charge Period */
write_reg(par, 0xD9);
write_reg(par, 0xF1);
/*
* Entire Display ON
* Resume to RAM content display. Output follows RAM content
*/
write_reg(par, 0xA4);
/*
* Set Normal Display
* 0 in RAM: OFF in display panel
* 1 in RAM: ON in display panel
*/
write_reg(par, 0xA6);
/* Set Display ON */
write_reg(par, 0xAF);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
/* Set Lower Column Start Address for Page Addressing Mode */
write_reg(par, 0x00 | ((par->info->var.rotate == 180) ? 0x0 : 0x4));
/* Set Higher Column Start Address for Page Addressing Mode */
write_reg(par, 0x10 | 0x0);
/* Set Display Start Line */
write_reg(par, 0x40 | 0x0);
}
static int blank(struct fbtft_par *par, bool on)
{
if (on)
write_reg(par, 0xAE);
else
write_reg(par, 0xAF);
return 0;
}
/* Gamma is used to control Contrast */
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
curves[0] &= 0xFF;
/* Set Contrast Control for BANK0 */
write_reg(par, 0x81);
write_reg(par, curves[0]);
return 0;
}
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y, i;
int ret;
for (x = 0; x < par->info->var.xres; x++) {
for (y = 0; y < par->info->var.yres / 8; y++) {
*buf = 0x00;
for (i = 0; i < 8; i++)
*buf |= (vmem16[(y * 8 + i) *
par->info->var.xres + x] ?
1 : 0) << i;
buf++;
}
}
/* Write data */
gpiod_set_value(par->gpio.dc, 1);
ret = par->fbtftops.write(par, par->txbuf.buf,
par->info->var.xres * par->info->var.yres /
8);
if (ret < 0)
dev_err(par->info->device, "write failed and returned: %d\n",
ret);
return ret;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.txbuflen = WIDTH * HEIGHT / 8,
.gamma_num = 1,
.gamma_len = 1,
.gamma = "00",
.fbtftops = {
.write_vmem = write_vmem,
.init_display = init_display,
.set_addr_win = set_addr_win,
.blank = blank,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1305", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ssd1305");
MODULE_ALIAS("platform:ssd1305");
MODULE_DESCRIPTION("SSD1305 OLED Driver");
MODULE_AUTHOR("Alexey Mednyy");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ssd1305.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* Custom FB driver for tinylcd.com display
*
* Copyright (C) 2013 Noralf Tronnes
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_tinylcd"
#define WIDTH 320
#define HEIGHT 480
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, 0xB0, 0x80);
write_reg(par, 0xC0, 0x0A, 0x0A);
write_reg(par, 0xC1, 0x45, 0x07);
write_reg(par, 0xC2, 0x33);
write_reg(par, 0xC5, 0x00, 0x42, 0x80);
write_reg(par, 0xB1, 0xD0, 0x11);
write_reg(par, 0xB4, 0x02);
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
write_reg(par, 0xB7, 0x07);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x58);
write_reg(par, 0xF0, 0x36, 0xA5, 0xD3);
write_reg(par, 0xE5, 0x80);
write_reg(par, 0xE5, 0x01);
write_reg(par, 0xB3, 0x00);
write_reg(par, 0xE5, 0x00);
write_reg(par, 0xF0, 0x36, 0xA5, 0x53);
write_reg(par, 0xE0, 0x00, 0x35, 0x33, 0x00, 0x00, 0x00,
0x00, 0x35, 0x33, 0x00, 0x00, 0x00);
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
udelay(250);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xFF, xe >> 8, xe & 0xFF);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xFF, ye >> 8, ye & 0xFF);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
case 270:
write_reg(par, 0xB6, 0x00, 0x02, 0x3B);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x28);
break;
case 180:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x58);
break;
case 90:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x38);
break;
default:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x08);
break;
}
return 0;
}
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "neosec,tinylcd", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("spi:tinylcd");
MODULE_DESCRIPTION("Custom FB driver for tinylcd.com display");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_tinylcd.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the SSD1289 LCD Controller
*
* Copyright (C) 2013 Noralf Tronnes
*
* Init sequence taken from ITDB02_Graph16.cpp - (C)2010-2011 Henning Karlsen
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include "fbtft.h"
#define DRVNAME "fb_ssd1289"
#define WIDTH 240
#define HEIGHT 320
#define DEFAULT_GAMMA "02 03 2 5 7 7 4 2 4 2\n" \
"02 03 2 5 7 5 4 2 4 2"
static unsigned int reg11 = 0x6040;
module_param(reg11, uint, 0000);
MODULE_PARM_DESC(reg11, "Register 11h value");
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, 0x00, 0x0001);
write_reg(par, 0x03, 0xA8A4);
write_reg(par, 0x0C, 0x0000);
write_reg(par, 0x0D, 0x080C);
write_reg(par, 0x0E, 0x2B00);
write_reg(par, 0x1E, 0x00B7);
write_reg(par, 0x01,
BIT(13) | (par->bgr << 11) | BIT(9) | (HEIGHT - 1));
write_reg(par, 0x02, 0x0600);
write_reg(par, 0x10, 0x0000);
write_reg(par, 0x05, 0x0000);
write_reg(par, 0x06, 0x0000);
write_reg(par, 0x16, 0xEF1C);
write_reg(par, 0x17, 0x0003);
write_reg(par, 0x07, 0x0233);
write_reg(par, 0x0B, 0x0000);
write_reg(par, 0x0F, 0x0000);
write_reg(par, 0x41, 0x0000);
write_reg(par, 0x42, 0x0000);
write_reg(par, 0x48, 0x0000);
write_reg(par, 0x49, 0x013F);
write_reg(par, 0x4A, 0x0000);
write_reg(par, 0x4B, 0x0000);
write_reg(par, 0x44, 0xEF00);
write_reg(par, 0x45, 0x0000);
write_reg(par, 0x46, 0x013F);
write_reg(par, 0x23, 0x0000);
write_reg(par, 0x24, 0x0000);
write_reg(par, 0x25, 0x8000);
write_reg(par, 0x4f, 0x0000);
write_reg(par, 0x4e, 0x0000);
write_reg(par, 0x22);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
switch (par->info->var.rotate) {
/* R4Eh - Set GDDRAM X address counter */
/* R4Fh - Set GDDRAM Y address counter */
case 0:
write_reg(par, 0x4e, xs);
write_reg(par, 0x4f, ys);
break;
case 180:
write_reg(par, 0x4e, par->info->var.xres - 1 - xs);
write_reg(par, 0x4f, par->info->var.yres - 1 - ys);
break;
case 270:
write_reg(par, 0x4e, par->info->var.yres - 1 - ys);
write_reg(par, 0x4f, xs);
break;
case 90:
write_reg(par, 0x4e, ys);
write_reg(par, 0x4f, par->info->var.xres - 1 - xs);
break;
}
/* R22h - RAM data write */
write_reg(par, 0x22);
}
static int set_var(struct fbtft_par *par)
{
if (par->fbtftops.init_display != init_display) {
/* don't risk messing up register 11h */
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"%s: skipping since custom init_display() is used\n",
__func__);
return 0;
}
switch (par->info->var.rotate) {
case 0:
write_reg(par, 0x11, reg11 | 0x30);
break;
case 270:
write_reg(par, 0x11, reg11 | 0x28);
break;
case 180:
write_reg(par, 0x11, reg11 | 0x00);
break;
case 90:
write_reg(par, 0x11, reg11 | 0x18);
break;
}
return 0;
}
/*
* Gamma string format:
* VRP0 VRP1 PRP0 PRP1 PKP0 PKP1 PKP2 PKP3 PKP4 PKP5
* VRN0 VRN1 PRN0 PRN1 PKN0 PKN1 PKN2 PKN3 PKN4 PKN5
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
{
static const unsigned long mask[] = {
0x1f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
0x1f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
};
int i, j;
/* apply mask */
for (i = 0; i < 2; i++)
for (j = 0; j < 10; j++)
CURVE(i, j) &= mask[i * par->gamma.num_values + j];
write_reg(par, 0x0030, CURVE(0, 5) << 8 | CURVE(0, 4));
write_reg(par, 0x0031, CURVE(0, 7) << 8 | CURVE(0, 6));
write_reg(par, 0x0032, CURVE(0, 9) << 8 | CURVE(0, 8));
write_reg(par, 0x0033, CURVE(0, 3) << 8 | CURVE(0, 2));
write_reg(par, 0x0034, CURVE(1, 5) << 8 | CURVE(1, 4));
write_reg(par, 0x0035, CURVE(1, 7) << 8 | CURVE(1, 6));
write_reg(par, 0x0036, CURVE(1, 9) << 8 | CURVE(1, 8));
write_reg(par, 0x0037, CURVE(1, 3) << 8 | CURVE(1, 2));
write_reg(par, 0x003A, CURVE(0, 1) << 8 | CURVE(0, 0));
write_reg(par, 0x003B, CURVE(1, 1) << 8 | CURVE(1, 0));
return 0;
}
#undef CURVE
static struct fbtft_display display = {
.regwidth = 16,
.width = WIDTH,
.height = HEIGHT,
.gamma_num = 2,
.gamma_len = 10,
.gamma = DEFAULT_GAMMA,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
.set_gamma = set_gamma,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1289", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ssd1289");
MODULE_ALIAS("platform:ssd1289");
MODULE_DESCRIPTION("FB driver for the SSD1289 LCD Controller");
MODULE_AUTHOR("Noralf Tronnes");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ssd1289.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FBTFT driver for the RA8875 LCD Controller
* Copyright by Pf@nne & NOTRO
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include "fbtft.h"
#define DRVNAME "fb_ra8875"
static int write_spi(struct fbtft_par *par, void *buf, size_t len)
{
struct spi_transfer t = {
.tx_buf = buf,
.len = len,
.speed_hz = 1000000,
};
struct spi_message m;
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%zu): ", __func__, len);
if (!par->spi) {
dev_err(par->info->device,
"%s: par->spi is unexpectedly NULL\n", __func__);
return -1;
}
spi_message_init(&m);
spi_message_add_tail(&t, &m);
return spi_sync(par->spi, &m);
}
static int init_display(struct fbtft_par *par)
{
gpiod_set_value(par->gpio.dc, 1);
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"%s()\n", __func__);
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
"display size %dx%d\n",
par->info->var.xres,
par->info->var.yres);
par->fbtftops.reset(par);
if ((par->info->var.xres == 320) && (par->info->var.yres == 240)) {
/* PLL clock frequency */
write_reg(par, 0x88, 0x0A);
write_reg(par, 0x89, 0x02);
mdelay(10);
/* color deep / MCU Interface */
write_reg(par, 0x10, 0x0C);
/* pixel clock period */
write_reg(par, 0x04, 0x03);
mdelay(1);
/* horizontal settings */
write_reg(par, 0x14, 0x27);
write_reg(par, 0x15, 0x00);
write_reg(par, 0x16, 0x05);
write_reg(par, 0x17, 0x04);
write_reg(par, 0x18, 0x03);
/* vertical settings */
write_reg(par, 0x19, 0xEF);
write_reg(par, 0x1A, 0x00);
write_reg(par, 0x1B, 0x05);
write_reg(par, 0x1C, 0x00);
write_reg(par, 0x1D, 0x0E);
write_reg(par, 0x1E, 0x00);
write_reg(par, 0x1F, 0x02);
} else if ((par->info->var.xres == 480) &&
(par->info->var.yres == 272)) {
/* PLL clock frequency */
write_reg(par, 0x88, 0x0A);
write_reg(par, 0x89, 0x02);
mdelay(10);
/* color deep / MCU Interface */
write_reg(par, 0x10, 0x0C);
/* pixel clock period */
write_reg(par, 0x04, 0x82);
mdelay(1);
/* horizontal settings */
write_reg(par, 0x14, 0x3B);
write_reg(par, 0x15, 0x00);
write_reg(par, 0x16, 0x01);
write_reg(par, 0x17, 0x00);
write_reg(par, 0x18, 0x05);
/* vertical settings */
write_reg(par, 0x19, 0x0F);
write_reg(par, 0x1A, 0x01);
write_reg(par, 0x1B, 0x02);
write_reg(par, 0x1C, 0x00);
write_reg(par, 0x1D, 0x07);
write_reg(par, 0x1E, 0x00);
write_reg(par, 0x1F, 0x09);
} else if ((par->info->var.xres == 640) &&
(par->info->var.yres == 480)) {
/* PLL clock frequency */
write_reg(par, 0x88, 0x0B);
write_reg(par, 0x89, 0x02);
mdelay(10);
/* color deep / MCU Interface */
write_reg(par, 0x10, 0x0C);
/* pixel clock period */
write_reg(par, 0x04, 0x01);
mdelay(1);
/* horizontal settings */
write_reg(par, 0x14, 0x4F);
write_reg(par, 0x15, 0x05);
write_reg(par, 0x16, 0x0F);
write_reg(par, 0x17, 0x01);
write_reg(par, 0x18, 0x00);
/* vertical settings */
write_reg(par, 0x19, 0xDF);
write_reg(par, 0x1A, 0x01);
write_reg(par, 0x1B, 0x0A);
write_reg(par, 0x1C, 0x00);
write_reg(par, 0x1D, 0x0E);
write_reg(par, 0x1E, 0x00);
write_reg(par, 0x1F, 0x01);
} else if ((par->info->var.xres == 800) &&
(par->info->var.yres == 480)) {
/* PLL clock frequency */
write_reg(par, 0x88, 0x0B);
write_reg(par, 0x89, 0x02);
mdelay(10);
/* color deep / MCU Interface */
write_reg(par, 0x10, 0x0C);
/* pixel clock period */
write_reg(par, 0x04, 0x81);
mdelay(1);
/* horizontal settings */
write_reg(par, 0x14, 0x63);
write_reg(par, 0x15, 0x03);
write_reg(par, 0x16, 0x03);
write_reg(par, 0x17, 0x02);
write_reg(par, 0x18, 0x00);
/* vertical settings */
write_reg(par, 0x19, 0xDF);
write_reg(par, 0x1A, 0x01);
write_reg(par, 0x1B, 0x14);
write_reg(par, 0x1C, 0x00);
write_reg(par, 0x1D, 0x06);
write_reg(par, 0x1E, 0x00);
write_reg(par, 0x1F, 0x01);
} else {
dev_err(par->info->device, "display size is not supported!!");
return -1;
}
/* PWM clock */
write_reg(par, 0x8a, 0x81);
write_reg(par, 0x8b, 0xFF);
mdelay(10);
/* Display ON */
write_reg(par, 0x01, 0x80);
mdelay(10);
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
/* Set_Active_Window */
write_reg(par, 0x30, xs & 0x00FF);
write_reg(par, 0x31, (xs & 0xFF00) >> 8);
write_reg(par, 0x32, ys & 0x00FF);
write_reg(par, 0x33, (ys & 0xFF00) >> 8);
write_reg(par, 0x34, (xs + xe) & 0x00FF);
write_reg(par, 0x35, ((xs + xe) & 0xFF00) >> 8);
write_reg(par, 0x36, (ys + ye) & 0x00FF);
write_reg(par, 0x37, ((ys + ye) & 0xFF00) >> 8);
/* Set_Memory_Write_Cursor */
write_reg(par, 0x46, xs & 0xff);
write_reg(par, 0x47, (xs >> 8) & 0x03);
write_reg(par, 0x48, ys & 0xff);
write_reg(par, 0x49, (ys >> 8) & 0x01);
write_reg(par, 0x02);
}
static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
{
va_list args;
int i, ret;
u8 *buf = par->buf;
/* slow down spi-speed for writing registers */
par->fbtftops.write = write_spi;
if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) {
va_start(args, len);
for (i = 0; i < len; i++)
buf[i] = (u8)va_arg(args, unsigned int);
va_end(args);
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device,
u8, buf, len, "%s: ", __func__);
}
va_start(args, len);
*buf++ = 0x80;
*buf = (u8)va_arg(args, unsigned int);
ret = par->fbtftops.write(par, par->buf, 2);
if (ret < 0) {
va_end(args);
dev_err(par->info->device, "write() failed and returned %dn",
ret);
return;
}
len--;
udelay(100);
if (len) {
buf = (u8 *)par->buf;
*buf++ = 0x00;
i = len;
while (i--)
*buf++ = (u8)va_arg(args, unsigned int);
ret = par->fbtftops.write(par, par->buf, len + 1);
if (ret < 0) {
va_end(args);
dev_err(par->info->device,
"write() failed and returned %dn", ret);
return;
}
}
va_end(args);
/* restore user spi-speed */
par->fbtftops.write = fbtft_write_spi;
udelay(100);
}
static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16;
__be16 *txbuf16;
size_t remain;
size_t to_copy;
size_t tx_array_size;
int i;
int ret = 0;
size_t startbyte_size = 0;
fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
__func__, offset, len);
remain = len / 2;
vmem16 = (u16 *)(par->info->screen_buffer + offset);
tx_array_size = par->txbuf.len / 2;
txbuf16 = par->txbuf.buf + 1;
tx_array_size -= 2;
*(u8 *)(par->txbuf.buf) = 0x00;
startbyte_size = 1;
while (remain) {
to_copy = min(tx_array_size, remain);
dev_dbg(par->info->device, " to_copy=%zu, remain=%zu\n",
to_copy, remain - to_copy);
for (i = 0; i < to_copy; i++)
txbuf16[i] = cpu_to_be16(vmem16[i]);
vmem16 = vmem16 + to_copy;
ret = par->fbtftops.write(par, par->txbuf.buf,
startbyte_size + to_copy * 2);
if (ret < 0)
return ret;
remain -= to_copy;
}
return ret;
}
static struct fbtft_display display = {
.regwidth = 8,
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.write_register = write_reg8_bus8,
.write_vmem = write_vmem16_bus8,
.write = write_spi,
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "raio,ra8875", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ra8875");
MODULE_ALIAS("platform:ra8875");
MODULE_DESCRIPTION("FB driver for the RA8875 LCD Controller");
MODULE_AUTHOR("Pf@nne");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ra8875.c |
// SPDX-License-Identifier: GPL-2.0+
/*
* FB driver for the ILI9163 LCD Controller
*
* Copyright (C) 2015 Kozhevnikov Anatoly
*
* Based on ili9325.c by Noralf Tronnes and
* .S.U.M.O.T.O.Y. by Max MC Costa (https://github.com/sumotoy/TFT_ILI9163C).
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <video/mipi_display.h>
#include "fbtft.h"
#define DRVNAME "fb_ili9163"
#define WIDTH 128
#define HEIGHT 128
#define BPP 16
#define FPS 30
#ifdef GAMMA_ADJ
#define GAMMA_LEN 15
#define GAMMA_NUM 1
#define DEFAULT_GAMMA "36 29 12 22 1C 15 42 B7 2F 13 12 0A 11 0B 06\n"
#endif
/* ILI9163C commands */
#define CMD_FRMCTR1 0xB1 /* Frame Rate Control */
/* (In normal mode/Full colors) */
#define CMD_FRMCTR2 0xB2 /* Frame Rate Control (In Idle mode/8-colors) */
#define CMD_FRMCTR3 0xB3 /* Frame Rate Control */
/* (In Partial mode/full colors) */
#define CMD_DINVCTR 0xB4 /* Display Inversion Control */
#define CMD_RGBBLK 0xB5 /* RGB Interface Blanking Porch setting */
#define CMD_DFUNCTR 0xB6 /* Display Function set 5 */
#define CMD_SDRVDIR 0xB7 /* Source Driver Direction Control */
#define CMD_GDRVDIR 0xB8 /* Gate Driver Direction Control */
#define CMD_PWCTR1 0xC0 /* Power_Control1 */
#define CMD_PWCTR2 0xC1 /* Power_Control2 */
#define CMD_PWCTR3 0xC2 /* Power_Control3 */
#define CMD_PWCTR4 0xC3 /* Power_Control4 */
#define CMD_PWCTR5 0xC4 /* Power_Control5 */
#define CMD_VCOMCTR1 0xC5 /* VCOM_Control 1 */
#define CMD_VCOMCTR2 0xC6 /* VCOM_Control 2 */
#define CMD_VCOMOFFS 0xC7 /* VCOM Offset Control */
#define CMD_PGAMMAC 0xE0 /* Positive Gamma Correction Setting */
#define CMD_NGAMMAC 0xE1 /* Negative Gamma Correction Setting */
#define CMD_GAMRSEL 0xF2 /* GAM_R_SEL */
/*
* This display:
* http://www.ebay.com/itm/Replace-Nokia-5110-LCD-1-44-Red-Serial-128X128-SPI-
* Color-TFT-LCD-Display-Module-/271422122271
* This particular display has a design error! The controller has 3 pins to
* configure to constrain the memory and resolution to a fixed dimension (in
* that case 128x128) but they leaved those pins configured for 128x160 so
* there was several pixel memory addressing problems.
* I solved by setup several parameters that dinamically fix the resolution as
* needit so below the parameters for this display. If you have a strain or a
* correct display (can happen with chinese) you can copy those parameters and
* create setup for different displays.
*/
#ifdef RED
#define __OFFSET 32 /*see note 2 - this is the red version */
#else
#define __OFFSET 0 /*see note 2 - this is the black version */
#endif
static int init_display(struct fbtft_par *par)
{
par->fbtftops.reset(par);
write_reg(par, MIPI_DCS_SOFT_RESET); /* software reset */
mdelay(500);
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE); /* exit sleep */
mdelay(5);
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT);
/* default gamma curve 3 */
write_reg(par, MIPI_DCS_SET_GAMMA_CURVE, 0x02);
#ifdef GAMMA_ADJ
write_reg(par, CMD_GAMRSEL, 0x01); /* Enable Gamma adj */
#endif
write_reg(par, MIPI_DCS_ENTER_NORMAL_MODE);
write_reg(par, CMD_DFUNCTR, 0xff, 0x06);
/* Frame Rate Control (In normal mode/Full colors) */
write_reg(par, CMD_FRMCTR1, 0x08, 0x02);
write_reg(par, CMD_DINVCTR, 0x07); /* display inversion */
/* Set VRH1[4:0] & VC[2:0] for VCI1 & GVDD */
write_reg(par, CMD_PWCTR1, 0x0A, 0x02);
/* Set BT[2:0] for AVDD & VCL & VGH & VGL */
write_reg(par, CMD_PWCTR2, 0x02);
/* Set VMH[6:0] & VML[6:0] for VOMH & VCOML */
write_reg(par, CMD_VCOMCTR1, 0x50, 0x63);
write_reg(par, CMD_VCOMOFFS, 0);
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0, 0, WIDTH);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0, 0, HEIGHT);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON); /* display ON */
write_reg(par, MIPI_DCS_WRITE_MEMORY_START); /* Memory Write */
return 0;
}
static void set_addr_win(struct fbtft_par *par, int xs, int ys,
int xe, int ye)
{
switch (par->info->var.rotate) {
case 0:
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
(ys + __OFFSET) >> 8, (ys + __OFFSET) & 0xff,
(ye + __OFFSET) >> 8, (ye + __OFFSET) & 0xff);
break;
case 90:
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
(xs + __OFFSET) >> 8, (xs + __OFFSET) & 0xff,
(xe + __OFFSET) >> 8, (xe + __OFFSET) & 0xff);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
break;
case 180:
case 270:
write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
break;
default:
/* Fix incorrect setting */
par->info->var.rotate = 0;
}
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
}
/*
* 7) MY: 1(bottom to top), 0(top to bottom) Row Address Order
* 6) MX: 1(R to L), 0(L to R) Column Address Order
* 5) MV: 1(Exchanged), 0(normal) Row/Column exchange
* 4) ML: 1(bottom to top), 0(top to bottom) Vertical Refresh Order
* 3) RGB: 1(BGR), 0(RGB) Color Space
* 2) MH: 1(R to L), 0(L to R) Horizontal Refresh Order
* 1)
* 0)
*
* MY, MX, MV, ML,RGB, MH, D1, D0
* 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //normal
* 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //Y-Mirror
* 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Mirror
* 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Y-Mirror
* 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange
* 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange, Y-Mirror
* 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 //XY exchange
* 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0
*/
static int set_var(struct fbtft_par *par)
{
u8 mactrl_data = 0; /* Avoid compiler warning */
switch (par->info->var.rotate) {
case 0:
mactrl_data = 0x08;
break;
case 180:
mactrl_data = 0xC8;
break;
case 270:
mactrl_data = 0xA8;
break;
case 90:
mactrl_data = 0x68;
break;
}
/* Colorspcae */
if (par->bgr)
mactrl_data |= BIT(2);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, mactrl_data);
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
return 0;
}
#ifdef GAMMA_ADJ
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int gamma_adj(struct fbtft_par *par, u32 *curves)
{
static const unsigned long mask[] = {
0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
0x1f, 0x3f, 0x0f, 0x0f, 0x7f, 0x1f,
0x3F, 0x3F, 0x3F, 0x3F, 0x3F};
int i, j;
for (i = 0; i < GAMMA_NUM; i++)
for (j = 0; j < GAMMA_LEN; j++)
CURVE(i, j) &= mask[i * par->gamma.num_values + j];
write_reg(par, CMD_PGAMMAC,
CURVE(0, 0),
CURVE(0, 1),
CURVE(0, 2),
CURVE(0, 3),
CURVE(0, 4),
CURVE(0, 5),
CURVE(0, 6),
(CURVE(0, 7) << 4) | CURVE(0, 8),
CURVE(0, 9),
CURVE(0, 10),
CURVE(0, 11),
CURVE(0, 12),
CURVE(0, 13),
CURVE(0, 14),
CURVE(0, 15));
/* Write Data to GRAM mode */
write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
return 0;
}
#undef CURVE
#endif
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
.height = HEIGHT,
.bpp = BPP,
.fps = FPS,
#ifdef GAMMA_ADJ
.gamma_num = GAMMA_NUM,
.gamma_len = GAMMA_LEN,
.gamma = DEFAULT_GAMMA,
#endif
.fbtftops = {
.init_display = init_display,
.set_addr_win = set_addr_win,
.set_var = set_var,
#ifdef GAMMA_ADJ
.set_gamma = gamma_adj,
#endif
},
};
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9163", &display);
MODULE_ALIAS("spi:" DRVNAME);
MODULE_ALIAS("platform:" DRVNAME);
MODULE_ALIAS("spi:ili9163");
MODULE_ALIAS("platform:ili9163");
MODULE_DESCRIPTION("FB driver for the ILI9163 LCD Controller");
MODULE_AUTHOR("Kozhevnikov Anatoly");
MODULE_LICENSE("GPL");
| linux-master | drivers/staging/fbtft/fb_ili9163.c |
// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/errno.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include "fbtft.h"
/*****************************************************************************
*
* void (*write_reg)(struct fbtft_par *par, int len, ...);
*
*****************************************************************************/
#define define_fbtft_write_reg(func, buffer_type, data_type, modifier) \
void func(struct fbtft_par *par, int len, ...) \
{ \
va_list args; \
int i, ret; \
int offset = 0; \
buffer_type *buf = (buffer_type *)par->buf; \
\
if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) { \
va_start(args, len); \
for (i = 0; i < len; i++) { \
buf[i] = modifier((data_type)va_arg(args, \
unsigned int)); \
} \
va_end(args); \
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, \
par->info->device, buffer_type, buf, len, \
"%s: ", __func__); \
} \
\
va_start(args, len); \
\
if (par->startbyte) { \
*(u8 *)par->buf = par->startbyte; \
buf = (buffer_type *)(par->buf + 1); \
offset = 1; \
} \
\
*buf = modifier((data_type)va_arg(args, unsigned int)); \
ret = fbtft_write_buf_dc(par, par->buf, sizeof(data_type) + offset, \
0); \
if (ret < 0) \
goto out; \
len--; \
\
if (par->startbyte) \
*(u8 *)par->buf = par->startbyte | 0x2; \
\
if (len) { \
i = len; \
while (i--) \
*buf++ = modifier((data_type)va_arg(args, \
unsigned int)); \
fbtft_write_buf_dc(par, par->buf, \
len * (sizeof(data_type) + offset), 1); \
} \
out: \
va_end(args); \
} \
EXPORT_SYMBOL(func);
define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, )
define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16)
define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, )
void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
{
va_list args;
int i, ret;
int pad = 0;
u16 *buf = (u16 *)par->buf;
if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) {
va_start(args, len);
for (i = 0; i < len; i++)
*(((u8 *)buf) + i) = (u8)va_arg(args, unsigned int);
va_end(args);
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par,
par->info->device, u8, buf, len, "%s: ",
__func__);
}
if (len <= 0)
return;
if (par->spi && (par->spi->bits_per_word == 8)) {
/* we're emulating 9-bit, pad start of buffer with no-ops
* (assuming here that zero is a no-op)
*/
pad = (len % 4) ? 4 - (len % 4) : 0;
for (i = 0; i < pad; i++)
*buf++ = 0x000;
}
va_start(args, len);
*buf++ = (u8)va_arg(args, unsigned int);
i = len - 1;
while (i--) {
*buf = (u8)va_arg(args, unsigned int);
*buf++ |= 0x100; /* dc=1 */
}
va_end(args);
ret = par->fbtftops.write(par, par->buf, (len + pad) * sizeof(u16));
if (ret < 0) {
dev_err(par->info->device,
"write() failed and returned %d\n", ret);
return;
}
}
EXPORT_SYMBOL(fbtft_write_reg8_bus9);
/*****************************************************************************
*
* int (*write_vmem)(struct fbtft_par *par);
*
*****************************************************************************/
/* 16 bit pixel over 8-bit databus */
int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16;
__be16 *txbuf16 = par->txbuf.buf;
size_t remain;
size_t to_copy;
size_t tx_array_size;
int i;
int ret = 0;
size_t startbyte_size = 0;
fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
__func__, offset, len);
remain = len / 2;
vmem16 = (u16 *)(par->info->screen_buffer + offset);
gpiod_set_value(par->gpio.dc, 1);
/* non buffered write */
if (!par->txbuf.buf)
return par->fbtftops.write(par, vmem16, len);
/* buffered write */
tx_array_size = par->txbuf.len / 2;
if (par->startbyte) {
txbuf16 = par->txbuf.buf + 1;
tx_array_size -= 2;
*(u8 *)(par->txbuf.buf) = par->startbyte | 0x2;
startbyte_size = 1;
}
while (remain) {
to_copy = min(tx_array_size, remain);
dev_dbg(par->info->device, "to_copy=%zu, remain=%zu\n",
to_copy, remain - to_copy);
for (i = 0; i < to_copy; i++)
txbuf16[i] = cpu_to_be16(vmem16[i]);
vmem16 = vmem16 + to_copy;
ret = par->fbtftops.write(par, par->txbuf.buf,
startbyte_size + to_copy * 2);
if (ret < 0)
return ret;
remain -= to_copy;
}
return ret;
}
EXPORT_SYMBOL(fbtft_write_vmem16_bus8);
/* 16 bit pixel over 9-bit SPI bus: dc + high byte, dc + low byte */
int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len)
{
u8 *vmem8;
u16 *txbuf16 = par->txbuf.buf;
size_t remain;
size_t to_copy;
size_t tx_array_size;
int i;
int ret = 0;
fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
__func__, offset, len);
if (!par->txbuf.buf) {
dev_err(par->info->device, "%s: txbuf.buf is NULL\n", __func__);
return -1;
}
remain = len;
vmem8 = par->info->screen_buffer + offset;
tx_array_size = par->txbuf.len / 2;
while (remain) {
to_copy = min(tx_array_size, remain);
dev_dbg(par->info->device, "to_copy=%zu, remain=%zu\n",
to_copy, remain - to_copy);
#ifdef __LITTLE_ENDIAN
for (i = 0; i < to_copy; i += 2) {
txbuf16[i] = 0x0100 | vmem8[i + 1];
txbuf16[i + 1] = 0x0100 | vmem8[i];
}
#else
for (i = 0; i < to_copy; i++)
txbuf16[i] = 0x0100 | vmem8[i];
#endif
vmem8 = vmem8 + to_copy;
ret = par->fbtftops.write(par, par->txbuf.buf, to_copy * 2);
if (ret < 0)
return ret;
remain -= to_copy;
}
return ret;
}
EXPORT_SYMBOL(fbtft_write_vmem16_bus9);
int fbtft_write_vmem8_bus8(struct fbtft_par *par, size_t offset, size_t len)
{
dev_err(par->info->device, "%s: function not implemented\n", __func__);
return -1;
}
EXPORT_SYMBOL(fbtft_write_vmem8_bus8);
/* 16 bit pixel over 16-bit databus */
int fbtft_write_vmem16_bus16(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16;
fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
__func__, offset, len);
vmem16 = (u16 *)(par->info->screen_buffer + offset);
/* no need for buffered write with 16-bit bus */
return fbtft_write_buf_dc(par, vmem16, len, 1);
}
EXPORT_SYMBOL(fbtft_write_vmem16_bus16);
| linux-master | drivers/staging/fbtft/fbtft-bus.c |
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