text: /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
   * All rights reserved.
   */
  
  #ifndef WILC_WFI_NETDEVICE
  #define WILC_WFI_NETDEVICE
  
  #include <linux/tcp.h>
  #include <linux/ieee80211.h>
  #include <net/cfg80211.h>
  #include <net/ieee80211_radiotap.h>
  #include <linux/if_arp.h>
  #include <linux/gpio/consumer.h>
  
  #include "host_interface.h"
  #include "wilc_wlan.h"
  
  #define FLOW_CONTROL_LOWER_THRESHOLD		128
  #define FLOW_CONTROL_UPPER_THRESHOLD		256
  
  #define WILC_MAX_NUM_PMKIDS			16
  #define PMKID_LEN				16
  #define PMKID_FOUND				1
  #define NUM_STA_ASSOCIATED			8
  
  #define NUM_REG_FRAME				2
  
  #define TCP_ACK_FILTER_LINK_SPEED_THRESH	54
  #define DEFAULT_LINK_SPEED			72
  
  #define GET_PKT_OFFSET(a) (((a) >> 22) & 0x1ff)
  
  struct wilc_wfi_stats {
  	unsigned long rx_packets;
  	unsigned long tx_packets;
  	unsigned long rx_bytes;
  	unsigned long tx_bytes;
  	u64 rx_time;
  	u64 tx_time;
  
  };
  
  struct wilc_wfi_key {
  	u8 *key;
  	u8 *seq;
  	int key_len;
  	int seq_len;
  	u32 cipher;
  };
  
  struct wilc_wfi_wep_key {
  	u8 *key;
  	u8 key_len;
  	u8 key_idx;
  };
  
  struct sta_info {
  	u8 sta_associated_bss[MAX_NUM_STA][ETH_ALEN];
  };
  
  /*Parameters needed for host interface for  remaining on channel*/
  struct wilc_wfi_p2p_listen_params {
  	struct ieee80211_channel *listen_ch;
  	u32 listen_duration;
  	u64 listen_cookie;
  	u32 listen_session_id;
  };
  
  struct wilc_priv {
  	struct wireless_dev *wdev;
  	struct cfg80211_scan_request *scan_req;
  
  	struct wilc_wfi_p2p_listen_params remain_on_ch_params;
  	u64 tx_cookie;
  
  	bool cfg_scanning;
  	u32 rcvd_ch_cnt;
  
  	u8 associated_bss[ETH_ALEN];
  	struct sta_info assoc_stainfo;
  	struct sk_buff *skb;
  	struct net_device *dev;
  	struct host_if_drv *hif_drv;
  	struct host_if_pmkid_attr pmkid_list;
  	u8 wep_key[4][WLAN_KEY_LEN_WEP104];
  	u8 wep_key_len[4];
  	/* The real interface that the monitor is on */
  	struct net_device *real_ndev;
  	struct wilc_wfi_key *wilc_gtk[MAX_NUM_STA];
  	struct wilc_wfi_key *wilc_ptk[MAX_NUM_STA];
  	u8 wilc_groupkey;
  	/* mutexes */
  	struct mutex scan_req_lock;
  	bool p2p_listen_state;
  
  };
  
  struct frame_reg {
  	u16 type;
  	bool reg;
  };
  
  struct wilc_vif {
  	u8 idx;
  	u8 iftype;
  	int monitor_flag;
  	int mac_opened;
  	struct frame_reg frame_reg[NUM_REG_FRAME];
  	struct net_device_stats netstats;
  	struct wilc *wilc;
  	u8 src_addr[ETH_ALEN];
  	u8 bssid[ETH_ALEN];
  	struct host_if_drv *hif_drv;
  	struct net_device *ndev;
  	u8 mode;
  	u8 ifc_id;
  };
  
  struct wilc {
  	const struct wilc_hif_func *hif_func;
  	int io_type;
  	int mac_status;
  	struct gpio_desc *gpio_irq;
  	bool initialized;
  	int dev_irq_num;
  	int close;
  	u8 vif_num;
  	struct wilc_vif *vif[NUM_CONCURRENT_IFC];
  	u8 open_ifcs;
  	/*protect head of transmit queue*/
  	struct mutex txq_add_to_head_cs;
  	/*protect txq_entry_t transmit queue*/
  	spinlock_t txq_spinlock;
  	/*protect rxq_entry_t receiver queue*/
  	struct mutex rxq_cs;
  	/* lock to protect hif access */
  	struct mutex hif_cs;
  
  	struct completion cfg_event;
  	struct completion sync_event;
  	struct completion txq_event;
  	struct completion txq_thread_started;
  
  	struct task_struct *txq_thread;
  
  	int quit;
  	int cfg_frame_in_use;
  	struct wilc_cfg_frame cfg_frame;
  	u32 cfg_frame_offset;
  	int cfg_seq_no;
  
  	u8 *rx_buffer;
  	u32 rx_buffer_offset;
  	u8 *tx_buffer;
  
  	struct txq_entry_t txq_head;
  	int txq_entries;
  
  	struct rxq_entry_t rxq_head;
  
  	const struct firmware *firmware;
  
  	struct device *dev;
  	bool suspend_event;
  
  	struct rf_info dummy_statistics;
  };
  
  struct wilc_wfi_mon_priv {
  	struct net_device *real_ndev;
  };
  
  void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
  void wilc_mac_indicate(struct wilc *wilc);
  void wilc_netdev_cleanup(struct wilc *wilc);
  int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
  		     const struct wilc_hif_func *ops);
  void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
  int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
  
  #endif
  