text: /*
   * Marvell Wireless LAN device driver: major data structures and prototypes
   *
   * Copyright (C) 2011, Marvell International Ltd.
   *
   * This software file (the "File") is distributed by Marvell International
   * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   * (the "License").  You may use, redistribute and/or modify this File in
   * accordance with the terms and conditions of the License, a copy of which
   * is available by writing to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
   * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
   *
   * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
   * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
   * this warranty disclaimer.
   */
  
  #ifndef _MWIFIEX_MAIN_H_
  #define _MWIFIEX_MAIN_H_
  
  #include <linux/kernel.h>
  #include <linux/module.h>
  #include <linux/sched.h>
  #include <linux/semaphore.h>
  #include <linux/ip.h>
  #include <linux/skbuff.h>
  #include <linux/if_arp.h>
  #include <linux/etherdevice.h>
  #include <net/sock.h>
  #include <net/lib80211.h>
  #include <linux/firmware.h>
  #include <linux/ctype.h>
  
  #include "decl.h"
  #include "ioctl.h"
  #include "util.h"
  #include "fw.h"
  #include "pcie.h"
  
  extern const char driver_version[];
  
  enum {
  	MWIFIEX_ASYNC_CMD,
  	MWIFIEX_SYNC_CMD
  };
  
  #define MWIFIEX_MAX_AP				64
  
  #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT	(5 * HZ)
  
  #define MWIFIEX_TIMER_10S			10000
  #define MWIFIEX_TIMER_1S			1000
  
  #define MAX_TX_PENDING      100
  #define LOW_TX_PENDING      80
  
  #define MWIFIEX_UPLD_SIZE               (2312)
  
  #define MAX_EVENT_SIZE                  1024
  
  #define ARP_FILTER_MAX_BUF_SIZE         68
  
  #define MWIFIEX_KEY_BUFFER_SIZE			16
  #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  #define MWIFIEX_MAX_REGION_CODE         7
  
  #define DEFAULT_BCN_AVG_FACTOR          8
  #define DEFAULT_DATA_AVG_FACTOR         8
  
  #define FIRST_VALID_CHANNEL				0xff
  #define DEFAULT_AD_HOC_CHANNEL			6
  #define DEFAULT_AD_HOC_CHANNEL_A		36
  
  #define DEFAULT_BCN_MISS_TIMEOUT		5
  
  #define MAX_SCAN_BEACON_BUFFER			8000
  
  #define SCAN_BEACON_ENTRY_PAD			6
  
  #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME	200
  #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME	200
  #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME	110
  
  #define SCAN_RSSI(RSSI)					(0x100 - ((u8)(RSSI)))
  
  #define MWIFIEX_MAX_TOTAL_SCAN_TIME	(MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
  
  #define RSN_GTK_OUI_OFFSET				2
  
  #define MWIFIEX_OUI_NOT_PRESENT			0
  #define MWIFIEX_OUI_PRESENT				1
  
  #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
  					adapter->event_received || \
  					adapter->data_received)
  
  #define MWIFIEX_TYPE_CMD				1
  #define MWIFIEX_TYPE_DATA				0
  #define MWIFIEX_TYPE_EVENT				3
  
  #define DBG_CMD_NUM						5
  
  #define MAX_BITMAP_RATES_SIZE			10
  
  #define MAX_CHANNEL_BAND_BG     14
  
  #define MAX_FREQUENCY_BAND_BG   2484
  
  #define MWIFIEX_EVENT_HEADER_LEN           4
  
  struct mwifiex_dbg {
  	u32 num_cmd_host_to_card_failure;
  	u32 num_cmd_sleep_cfm_host_to_card_failure;
  	u32 num_tx_host_to_card_failure;
  	u32 num_event_deauth;
  	u32 num_event_disassoc;
  	u32 num_event_link_lost;
  	u32 num_cmd_deauth;
  	u32 num_cmd_assoc_success;
  	u32 num_cmd_assoc_failure;
  	u32 num_tx_timeout;
  	u32 num_cmd_timeout;
  	u16 timeout_cmd_id;
  	u16 timeout_cmd_act;
  	u16 last_cmd_id[DBG_CMD_NUM];
  	u16 last_cmd_act[DBG_CMD_NUM];
  	u16 last_cmd_index;
  	u16 last_cmd_resp_id[DBG_CMD_NUM];
  	u16 last_cmd_resp_index;
  	u16 last_event[DBG_CMD_NUM];
  	u16 last_event_index;
  };
  
  enum MWIFIEX_HARDWARE_STATUS {
  	MWIFIEX_HW_STATUS_READY,
  	MWIFIEX_HW_STATUS_INITIALIZING,
  	MWIFIEX_HW_STATUS_FW_READY,
  	MWIFIEX_HW_STATUS_INIT_DONE,
  	MWIFIEX_HW_STATUS_RESET,
  	MWIFIEX_HW_STATUS_CLOSING,
  	MWIFIEX_HW_STATUS_NOT_READY
  };
  
  enum MWIFIEX_802_11_POWER_MODE {
  	MWIFIEX_802_11_POWER_MODE_CAM,
  	MWIFIEX_802_11_POWER_MODE_PSP
  };
  
  struct mwifiex_tx_param {
  	u32 next_pkt_len;
  };
  
  enum MWIFIEX_PS_STATE {
  	PS_STATE_AWAKE,
  	PS_STATE_PRE_SLEEP,
  	PS_STATE_SLEEP_CFM,
  	PS_STATE_SLEEP
  };
  
  enum mwifiex_iface_type {
  	MWIFIEX_SDIO,
  	MWIFIEX_PCIE,
  };
  
  struct mwifiex_add_ba_param {
  	u32 tx_win_size;
  	u32 rx_win_size;
  	u32 timeout;
  };
  
  struct mwifiex_tx_aggr {
  	u8 ampdu_user;
  	u8 ampdu_ap;
  	u8 amsdu;
  };
  
  struct mwifiex_ra_list_tbl {
  	struct list_head list;
  	struct sk_buff_head skb_head;
  	u8 ra[ETH_ALEN];
  	u32 total_pkts_size;
  	u32 is_11n_enabled;
  };
  
  struct mwifiex_tid_tbl {
  	struct list_head ra_list;
  	/* spin lock for tid table */
  	spinlock_t tid_tbl_lock;
  	struct mwifiex_ra_list_tbl *ra_list_curr;
  };
  
  #define WMM_HIGHEST_PRIORITY		7
  #define HIGH_PRIO_TID				7
  #define LOW_PRIO_TID				0
  #define NO_PKT_PRIO_TID				(-1)
  
  struct mwifiex_wmm_desc {
  	struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
  	u32 packets_out[MAX_NUM_TID];
  	/* spin lock to protect ra_list */
  	spinlock_t ra_list_spinlock;
  	struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES];
  	enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES];
  	u32 drv_pkt_delay_max;
  	u8 queue_priority[IEEE80211_MAX_QUEUES];
  	u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];	/* UP: 0 to 7 */
  	/* Number of transmit packets queued */
  	atomic_t tx_pkts_queued;
  	/* Tracks highest priority with a packet queued */
  	atomic_t highest_queued_prio;
  };
  
  struct mwifiex_802_11_security {
  	u8 wpa_enabled;
  	u8 wpa2_enabled;
  	u8 wapi_enabled;
  	u8 wapi_key_on;
  	u8 wep_enabled;
  	u32 authentication_mode;
  	u8 is_authtype_auto;
  	u32 encryption_mode;
  };
  
  struct ieee_types_header {
  	u8 element_id;
  	u8 len;
  } __packed;
  
  #define MWIFIEX_SUPPORTED_RATES                 14
  
  #define MWIFIEX_SUPPORTED_RATES_EXT             32
  
  struct ieee_types_vendor_specific {
  	struct ieee_types_vendor_header vend_hdr;
  	u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
  } __packed;
  
  struct ieee_types_generic {
  	struct ieee_types_header ieee_hdr;
  	u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
  } __packed;
  
  struct mwifiex_bssdescriptor {
  	u8 mac_address[ETH_ALEN];
  	struct cfg80211_ssid ssid;
  	u32 privacy;
  	s32 rssi;
  	u32 channel;
  	u32 freq;
  	u16 beacon_period;
  	u8 erp_flags;
  	u32 bss_mode;
  	u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
  	u8 data_rates[MWIFIEX_SUPPORTED_RATES];
  	/* Network band.
  	 * BAND_B(0x01): 'b' band
  	 * BAND_G(0x02): 'g' band
  	 * BAND_A(0X04): 'a' band
  	 */
  	u16 bss_band;
  	u64 network_tsf;
  	u8 time_stamp[8];
  	union ieee_types_phy_param_set phy_param_set;
  	union ieee_types_ss_param_set ss_param_set;
  	u16 cap_info_bitmap;
  	struct ieee_types_wmm_parameter wmm_ie;
  	u8  disable_11n;
  	struct ieee80211_ht_cap *bcn_ht_cap;
  	u16 ht_cap_offset;
  	struct ieee80211_ht_info *bcn_ht_info;
  	u16 ht_info_offset;
  	u8 *bcn_bss_co_2040;
  	u16 bss_co_2040_offset;
  	u8 *bcn_ext_cap;
  	u16 ext_cap_offset;
  	struct ieee_types_vendor_specific *bcn_wpa_ie;
  	u16 wpa_offset;
  	struct ieee_types_generic *bcn_rsn_ie;
  	u16 rsn_offset;
  	struct ieee_types_generic *bcn_wapi_ie;
  	u16 wapi_offset;
  	u8 *beacon_buf;
  	u32 beacon_buf_size;
  };
  
  struct mwifiex_current_bss_params {
  	struct mwifiex_bssdescriptor bss_descriptor;
  	u8 wmm_enabled;
  	u8 wmm_uapsd_enabled;
  	u8 band;
  	u32 num_of_rates;
  	u8 data_rates[MWIFIEX_SUPPORTED_RATES];
  };
  
  struct mwifiex_sleep_params {
  	u16 sp_error;
  	u16 sp_offset;
  	u16 sp_stable_time;
  	u8 sp_cal_control;
  	u8 sp_ext_sleep_clk;
  	u16 sp_reserved;
  };
  
  struct mwifiex_sleep_period {
  	u16 period;
  	u16 reserved;
  };
  
  struct mwifiex_wep_key {
  	u32 length;
  	u32 key_index;
  	u32 key_length;
  	u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
  };
  
  #define MAX_REGION_CHANNEL_NUM  2
  
  struct mwifiex_chan_freq_power {
  	u16 channel;
  	u32 freq;
  	u16 max_tx_power;
  	u8 unsupported;
  };
  
  enum state_11d_t {
  	DISABLE_11D = 0,
  	ENABLE_11D = 1,
  };
  
  #define MWIFIEX_MAX_TRIPLET_802_11D		83
  
  struct mwifiex_802_11d_domain_reg {
  	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
  	u8 no_of_triplet;
  	struct ieee80211_country_ie_triplet
  		triplet[MWIFIEX_MAX_TRIPLET_802_11D];
  };
  
  struct mwifiex_vendor_spec_cfg_ie {
  	u16 mask;
  	u16 flag;
  	u8 ie[MWIFIEX_MAX_VSIE_LEN];
  };
  
  struct wps {
  	u8 session_enable;
  };
  
  struct mwifiex_adapter;
  struct mwifiex_private;
  
  struct mwifiex_private {
  	struct mwifiex_adapter *adapter;
  	u8 bss_type;
  	u8 bss_role;
  	u8 bss_priority;
  	u8 bss_num;
  	u8 frame_type;
  	u8 curr_addr[ETH_ALEN];
  	u8 media_connected;
  	u32 num_tx_timeout;
  	struct net_device *netdev;
  	struct net_device_stats stats;
  	u16 curr_pkt_filter;
  	u32 bss_mode;
  	u32 pkt_tx_ctrl;
  	u16 tx_power_level;
  	u8 max_tx_power_level;
  	u8 min_tx_power_level;
  	u8 tx_rate;
  	u8 tx_htinfo;
  	u8 rxpd_htinfo;
  	u8 rxpd_rate;
  	u16 rate_bitmap;
  	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
  	u32 data_rate;
  	u8 is_data_rate_auto;
  	u16 bcn_avg_factor;
  	u16 data_avg_factor;
  	s16 data_rssi_last;
  	s16 data_nf_last;
  	s16 data_rssi_avg;
  	s16 data_nf_avg;
  	s16 bcn_rssi_last;
  	s16 bcn_nf_last;
  	s16 bcn_rssi_avg;
  	s16 bcn_nf_avg;
  	struct mwifiex_bssdescriptor *attempted_bss_desc;
  	struct cfg80211_ssid prev_ssid;
  	u8 prev_bssid[ETH_ALEN];
  	struct mwifiex_current_bss_params curr_bss_params;
  	u16 beacon_period;
  	u8 dtim_period;
  	u16 listen_interval;
  	u16 atim_window;
  	u8 adhoc_channel;
  	u8 adhoc_is_link_sensed;
  	u8 adhoc_state;
  	struct mwifiex_802_11_security sec_info;
  	struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
  	u16 wep_key_curr_index;
  	u8 wpa_ie[256];
  	u8 wpa_ie_len;
  	u8 wpa_is_gtk_set;
  	struct host_cmd_ds_802_11_key_material aes_key;
  	u8 wapi_ie[256];
  	u8 wapi_ie_len;
  	u8 wmm_required;
  	u8 wmm_enabled;
  	u8 wmm_qosinfo;
  	struct mwifiex_wmm_desc wmm;
  	struct list_head tx_ba_stream_tbl_ptr;
  	/* spin lock for tx_ba_stream_tbl_ptr queue */
  	spinlock_t tx_ba_stream_tbl_lock;
  	struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
  	struct mwifiex_add_ba_param add_ba_param;
  	u16 rx_seq[MAX_NUM_TID];
  	struct list_head rx_reorder_tbl_ptr;
  	/* spin lock for rx_reorder_tbl_ptr queue */
  	spinlock_t rx_reorder_tbl_lock;
  	/* spin lock for Rx packets */
  	spinlock_t rx_pkt_lock;
  
  #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
  	u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
  	u32 assoc_rsp_size;
  
  #define MWIFIEX_GENIE_BUF_SIZE      256
  	u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
  	u8 gen_ie_buf_len;
  
  	struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
  
  #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
  	u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
  	u8 assoc_tlv_buf_len;
  
  	u8 *curr_bcn_buf;
  	u32 curr_bcn_size;
  	/* spin lock for beacon buffer */
  	spinlock_t curr_bcn_buf_lock;
  	struct wireless_dev *wdev;
  	struct mwifiex_chan_freq_power cfp;
  	char version_str[128];
  #ifdef CONFIG_DEBUG_FS
  	struct dentry *dfs_dev_dir;
  #endif
  	u8 nick_name[16];
  	u8 qual_level, qual_noise;
  	u16 current_key_index;
  	struct semaphore async_sem;
  	u8 scan_pending_on_block;
  	u8 report_scan_result;
  	struct cfg80211_scan_request *scan_request;
  	struct mwifiex_user_scan_cfg *user_scan_cfg;
  	u8 cfg_bssid[6];
  	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
  	struct wps wps;
  	u8 scan_block;
  };
  
  enum mwifiex_ba_status {
  	BA_SETUP_NONE = 0,
  	BA_SETUP_INPROGRESS,
  	BA_SETUP_COMPLETE
  };
  
  struct mwifiex_tx_ba_stream_tbl {
  	struct list_head list;
  	int tid;
  	u8 ra[ETH_ALEN];
  	enum mwifiex_ba_status ba_status;
  };
  
  struct mwifiex_rx_reorder_tbl;
  
  struct reorder_tmr_cnxt {
  	struct timer_list timer;
  	struct mwifiex_rx_reorder_tbl *ptr;
  	struct mwifiex_private *priv;
  };
  
  struct mwifiex_rx_reorder_tbl {
  	struct list_head list;
  	int tid;
  	u8 ta[ETH_ALEN];
  	int start_win;
  	int win_size;
  	void **rx_reorder_ptr;
  	struct reorder_tmr_cnxt timer_context;
  };
  
  struct mwifiex_bss_prio_node {
  	struct list_head list;
  	struct mwifiex_private *priv;
  };
  
  struct mwifiex_bss_prio_tbl {
  	struct list_head bss_prio_head;
  	/* spin lock for bss priority  */
  	spinlock_t bss_prio_lock;
  	struct mwifiex_bss_prio_node *bss_prio_cur;
  };
  
  struct cmd_ctrl_node {
  	struct list_head list;
  	struct mwifiex_private *priv;
  	u32 cmd_oid;
  	u32 cmd_flag;
  	struct sk_buff *cmd_skb;
  	struct sk_buff *resp_skb;
  	void *data_buf;
  	u32 wait_q_enabled;
  	struct sk_buff *skb;
  	u8 *condition;
  	u8 cmd_wait_q_woken;
  };
  
  struct mwifiex_if_ops {
  	int (*init_if) (struct mwifiex_adapter *);
  	void (*cleanup_if) (struct mwifiex_adapter *);
  	int (*check_fw_status) (struct mwifiex_adapter *, u32);
  	int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
  	int (*register_dev) (struct mwifiex_adapter *);
  	void (*unregister_dev) (struct mwifiex_adapter *);
  	int (*enable_int) (struct mwifiex_adapter *);
  	int (*process_int_status) (struct mwifiex_adapter *);
  	int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
  			     struct mwifiex_tx_param *);
  	int (*wakeup) (struct mwifiex_adapter *);
  	int (*wakeup_complete) (struct mwifiex_adapter *);
  
  	/* Interface specific functions */
  	void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
  	void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
  	int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
  	int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
  };
  
  struct mwifiex_adapter {
  	u8 iface_type;
  	struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
  	u8 priv_num;
  	const struct firmware *firmware;
  	char fw_name[32];
  	int winner;
  	struct device *dev;
  	bool surprise_removed;
  	u32 fw_release_number;
  	u16 init_wait_q_woken;
  	wait_queue_head_t init_wait_q;
  	void *card;
  	struct mwifiex_if_ops if_ops;
  	atomic_t rx_pending;
  	atomic_t tx_pending;
  	atomic_t cmd_pending;
  	struct workqueue_struct *workqueue;
  	struct work_struct main_work;
  	struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
  	/* spin lock for init/shutdown */
  	spinlock_t mwifiex_lock;
  	/* spin lock for main process */
  	spinlock_t main_proc_lock;
  	u32 mwifiex_processing;
  	u16 max_tx_buf_size;
  	u16 tx_buf_size;
  	u16 curr_tx_buf_size;
  	u32 ioport;
  	enum MWIFIEX_HARDWARE_STATUS hw_status;
  	u16 number_of_antenna;
  	u32 fw_cap_info;
  	/* spin lock for interrupt handling */
  	spinlock_t int_lock;
  	u8 int_status;
  	u32 event_cause;
  	struct sk_buff *event_skb;
  	u8 upld_buf[MWIFIEX_UPLD_SIZE];
  	u8 data_sent;
  	u8 cmd_sent;
  	u8 cmd_resp_received;
  	u8 event_received;
  	u8 data_received;
  	u16 seq_num;
  	struct cmd_ctrl_node *cmd_pool;
  	struct cmd_ctrl_node *curr_cmd;
  	/* spin lock for command */
  	spinlock_t mwifiex_cmd_lock;
  	u32 num_cmd_timeout;
  	u16 last_init_cmd;
  	struct timer_list cmd_timer;
  	struct list_head cmd_free_q;
  	/* spin lock for cmd_free_q */
  	spinlock_t cmd_free_q_lock;
  	struct list_head cmd_pending_q;
  	/* spin lock for cmd_pending_q */
  	spinlock_t cmd_pending_q_lock;
  	struct list_head scan_pending_q;
  	/* spin lock for scan_pending_q */
  	spinlock_t scan_pending_q_lock;
  	u32 scan_processing;
  	u16 region_code;
  	struct mwifiex_802_11d_domain_reg domain_reg;
  	u16 scan_probes;
  	u32 scan_mode;
  	u16 specific_scan_time;
  	u16 active_scan_time;
  	u16 passive_scan_time;
  	u8 fw_bands;
  	u8 adhoc_start_band;
  	u8 config_bands;
  	struct mwifiex_chan_scan_param_set *scan_channels;
  	u8 tx_lock_flag;
  	struct mwifiex_sleep_params sleep_params;
  	struct mwifiex_sleep_period sleep_period;
  	u16 ps_mode;
  	u32 ps_state;
  	u8 need_to_wakeup;
  	u16 multiple_dtim;
  	u16 local_listen_interval;
  	u16 null_pkt_interval;
  	struct sk_buff *sleep_cfm;
  	u16 bcn_miss_time_out;
  	u16 adhoc_awake_period;
  	u8 is_deep_sleep;
  	u8 delay_null_pkt;
  	u16 delay_to_ps;
  	u16 enhanced_ps_mode;
  	u8 pm_wakeup_card_req;
  	u16 gen_null_pkt;
  	u16 pps_uapsd_mode;
  	u32 pm_wakeup_fw_try;
  	u8 is_hs_configured;
  	struct mwifiex_hs_config_param hs_cfg;
  	u8 hs_activated;
  	u16 hs_activate_wait_q_woken;
  	wait_queue_head_t hs_activate_wait_q;
  	bool is_suspended;
  	u8 event_body[MAX_EVENT_SIZE];
  	u32 hw_dot_11n_dev_cap;
  	u8 hw_dev_mcs_support;
  	u8 adhoc_11n_enabled;
  	u8 sec_chan_offset;
  	enum nl80211_channel_type channel_type;
  	struct mwifiex_dbg dbg;
  	u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
  	u32 arp_filter_size;
  	u16 cmd_wait_q_required;
  	struct mwifiex_wait_queue cmd_wait_q;
  	u8 scan_wait_q_woken;
  	struct cmd_ctrl_node *cmd_queued;
  	spinlock_t queue_lock;		/* lock for tx queues */
  };
  
  int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
  
  void mwifiex_set_trans_start(struct net_device *dev);
  
  void mwifiex_stop_net_dev_queue(struct net_device *netdev,
  		struct mwifiex_adapter *adapter);
  
  void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
  		struct mwifiex_adapter *adapter);
  
  int mwifiex_init_fw(struct mwifiex_adapter *adapter);
  
  int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
  
  int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
  
  int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
  
  int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
  
  int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
  
  int mwifiex_process_event(struct mwifiex_adapter *adapter);
  
  int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
  			 struct cmd_ctrl_node *cmd_node);
  
  int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
  			   u16 cmd_action, u32 cmd_oid, void *data_buf);
  
  int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
  			  u16 cmd_action, u32 cmd_oid, void *data_buf);
  
  void mwifiex_cmd_timeout_func(unsigned long function_context);
  
  int mwifiex_get_debug_info(struct mwifiex_private *,
  			   struct mwifiex_debug_info *);
  
  int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
  int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
  void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
  void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
  
  void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
  				  struct cmd_ctrl_node *cmd_node);
  
  void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
  				     struct cmd_ctrl_node *cmd_node,
  				     u32 addtail);
  
  int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
  int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
  int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
  			     struct sk_buff *skb);
  int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
  		       struct mwifiex_tx_param *tx_param);
  int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
  int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
  				struct sk_buff *skb, int status);
  void mwifiex_clean_txrx(struct mwifiex_private *priv);
  u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
  void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
  void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
  					u32);
  int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
  			       struct host_cmd_ds_command *cmd,
  			       u16 cmd_action, uint16_t ps_bitmap,
  			       struct mwifiex_ds_auto_ds *auto_ds);
  int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
  			       struct host_cmd_ds_command *resp,
  			       struct mwifiex_ds_pm_cfg *pm_cfg);
  void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
  void mwifiex_hs_activated_event(struct mwifiex_private *priv,
  					u8 activated);
  int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
  			      struct host_cmd_ds_command *resp);
  int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
  			      struct sk_buff *skb);
  int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
  			    u16 cmd_action, u32 cmd_oid,
  			    void *data_buf, void *cmd_buf);
  int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
  				struct host_cmd_ds_command *resp);
  int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
  				  struct sk_buff *skb);
  int mwifiex_process_sta_event(struct mwifiex_private *);
  void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
  int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
  int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
  			    struct mwifiex_scan_cmd_config *scan_cfg);
  void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
  			    struct cmd_ctrl_node *cmd_node);
  int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
  			    struct host_cmd_ds_command *resp);
  s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
  int mwifiex_associate(struct mwifiex_private *priv,
  		      struct mwifiex_bssdescriptor *bss_desc);
  int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
  				 struct host_cmd_ds_command *cmd,
  				 struct mwifiex_bssdescriptor *bss_desc);
  int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
  				 struct host_cmd_ds_command *resp);
  void mwifiex_reset_connect_state(struct mwifiex_private *priv);
  u8 mwifiex_band_to_radio_type(u8 band);
  int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
  int mwifiex_adhoc_start(struct mwifiex_private *priv,
  			struct cfg80211_ssid *adhoc_ssid);
  int mwifiex_adhoc_join(struct mwifiex_private *priv,
  		       struct mwifiex_bssdescriptor *bss_desc);
  int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
  				    struct host_cmd_ds_command *cmd,
  				    struct cfg80211_ssid *req_ssid);
  int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
  				   struct host_cmd_ds_command *cmd,
  				   struct mwifiex_bssdescriptor *bss_desc);
  int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
  			      struct host_cmd_ds_command *resp);
  int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
  struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
  						u8 band, u16 channel, u32 freq);
  u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
  							u8 ht_info);
  u32 mwifiex_find_freq_from_band_chan(u8, u8);
  int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
  				u8 **buffer);
  u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
  				    u8 *rates);
  u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
  u8 mwifiex_data_rate_to_index(u32 rate);
  u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
  int mwifiex_get_rate_index(u16 *rateBitmap, int size);
  extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
  void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
  void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
  int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
  			    struct host_cmd_ds_command *cmd);
  int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
  			    struct host_cmd_ds_command *resp);
  int is_command_pending(struct mwifiex_adapter *adapter);
  void mwifiex_init_priv_params(struct mwifiex_private *priv,
  						struct net_device *dev);
  
  /*
   * This function checks if the queuing is RA based or not.
   */
  static inline u8
  mwifiex_queuing_ra_based(struct mwifiex_private *priv)
  {
  	/*
  	 * Currently we assume if we are in Infra, then DA=RA. This might not be
  	 * true in the future
  	 */
  	if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
  	    (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
  		return false;
  
  	return true;
  }
  
  /*
   * This function copies rates.
   */
  static inline u32
  mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
  {
  	int i;
  
  	for (i = 0; i < len && src[i]; i++, pos++) {
  		if (pos >= MWIFIEX_SUPPORTED_RATES)
  			break;
  		dest[pos] = src[i];
  	}
  
  	return pos;
  }
  
  /*
   * This function returns the correct private structure pointer based
   * upon the BSS type and BSS number.
   */
  static inline struct mwifiex_private *
  mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
  		       u8 bss_num, u8 bss_type)
  {
  	int i;
  
  	for (i = 0; i < adapter->priv_num; i++) {
  		if (adapter->priv[i]) {
  			if ((adapter->priv[i]->bss_num == bss_num) &&
  			    (adapter->priv[i]->bss_type == bss_type))
  				break;
  		}
  	}
  	return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
  }
  
  /*
   * This function returns the first available private structure pointer
   * based upon the BSS role.
   */
  static inline struct mwifiex_private *
  mwifiex_get_priv(struct mwifiex_adapter *adapter,
  		 enum mwifiex_bss_role bss_role)
  {
  	int i;
  
  	for (i = 0; i < adapter->priv_num; i++) {
  		if (adapter->priv[i]) {
  			if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
  			    GET_BSS_ROLE(adapter->priv[i]) == bss_role)
  				break;
  		}
  	}
  
  	return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
  }
  
  /*
   * This function returns the driver private structure of a network device.
   */
  static inline struct mwifiex_private *
  mwifiex_netdev_get_priv(struct net_device *dev)
  {
  	return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
  }
  
  int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
  			     u32 func_init_shutdown);
  int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
  int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
  
  void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
  			 int maxlen);
  int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
  			struct mwifiex_multicast_list *mcast_list);
  int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
  			    struct net_device *dev);
  int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
  int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
  		      struct cfg80211_ssid *req_ssid);
  int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
  int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
  int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
  int mwifiex_get_signal_info(struct mwifiex_private *priv,
  			    struct mwifiex_ds_get_signal *signal);
  int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
  			      struct mwifiex_rate_cfg *rate);
  int mwifiex_request_scan(struct mwifiex_private *priv,
  			 struct cfg80211_ssid *req_ssid);
  int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
  				struct mwifiex_user_scan_cfg *scan_req);
  int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
  
  int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel);
  
  int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
  		       int key_len, u8 key_index, int disable);
  
  int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
  
  int mwifiex_get_ver_ext(struct mwifiex_private *priv);
  
  int mwifiex_get_stats_info(struct mwifiex_private *priv,
  			   struct mwifiex_ds_get_stats *log);
  
  int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
  		      u32 reg_offset, u32 reg_value);
  
  int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
  		     u32 reg_offset, u32 *value);
  
  int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
  			u8 *value);
  
  int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
  
  int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
  
  int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
  
  int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
  
  int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
  
  int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
  				   char *version, int max_len);
  
  int mwifiex_set_tx_power(struct mwifiex_private *priv,
  			 struct mwifiex_power_cfg *power_cfg);
  
  int mwifiex_main_process(struct mwifiex_adapter *);
  
  int mwifiex_bss_set_channel(struct mwifiex_private *,
  			    struct mwifiex_chan_freq_power *cfp);
  int mwifiex_get_bss_info(struct mwifiex_private *,
  			 struct mwifiex_bss_info *);
  int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
  			      u8 *bssid, s32 rssi, u8 *ie_buf,
  			      size_t ie_len, u16 beacon_period,
  			      u16 cap_info_bitmap, u8 band,
  			      struct mwifiex_bssdescriptor *bss_desc);
  int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
  				struct mwifiex_bssdescriptor *bss_entry,
  				u8 *ie_buf, u32 ie_len);
  int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
  					struct mwifiex_bssdescriptor *bss_desc);
  
  struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
  					char *name, enum nl80211_iftype type,
  					u32 *flags, struct vif_params *params);
  int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev);
  
  
  #ifdef CONFIG_DEBUG_FS
  void mwifiex_debugfs_init(void);
  void mwifiex_debugfs_remove(void);
  
  void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
  void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
  #endif
  #endif /* !_MWIFIEX_MAIN_H_ */
  