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	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 /*
  * Copyright (c) 2010-2011 Atheros Communications Inc.
  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
 #ifndef CORE_H
 #define CORE_H
 
 #include <linux/etherdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/firmware.h>
 #include <linux/sched.h>
 #include <linux/circ_buf.h>
 #include <net/cfg80211.h>
 #include "htc.h"
 #include "wmi.h"
 #include "bmi.h"
 #include "target.h"
 
 #define MAX_ATH6KL                        1
 #define ATH6KL_MAX_RX_BUFFERS             16
 #define ATH6KL_BUFFER_SIZE                1664
 #define ATH6KL_MAX_AMSDU_RX_BUFFERS       4
 #define ATH6KL_AMSDU_REFILL_THRESHOLD     3
 #define ATH6KL_AMSDU_BUFFER_SIZE     (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
 #define MAX_MSDU_SUBFRAME_PAYLOAD_LEN   1508
 #define MIN_MSDU_SUBFRAME_PAYLOAD_LEN   46
 
 #define USER_SAVEDKEYS_STAT_INIT     0
 #define USER_SAVEDKEYS_STAT_RUN      1
 
 #define ATH6KL_TX_TIMEOUT      10
 #define ATH6KL_MAX_ENDPOINTS   4
 #define MAX_NODE_NUM           15
 
 #define ATH6KL_APSD_ALL_FRAME       0xFFFF
 #define ATH6KL_APSD_NUM_OF_AC       0x4
 #define ATH6KL_APSD_FRAME_MASK      0xF
 
 /* Extra bytes for htc header alignment */
 #define ATH6KL_HTC_ALIGN_BYTES 3
 
 /* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
 #define MAX_DEF_COOKIE_NUM                180
 #define MAX_HI_COOKIE_NUM                 18    /* 10% of MAX_COOKIE_NUM */
 #define MAX_COOKIE_NUM                 (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
 
 #define MAX_DEFAULT_SEND_QUEUE_DEPTH      (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
 
 #define DISCON_TIMER_INTVAL               10000  /* in msec */
 
 /* Channel dwell time in fg scan */
 #define ATH6KL_FG_SCAN_INTERVAL     50 /* in ms */
 
 /* includes also the null byte */
 #define ATH6KL_FIRMWARE_MAGIC               "QCA-ATH6KL"
 
 enum ath6kl_fw_ie_type {
     ATH6KL_FW_IE_FW_VERSION = 0,
     ATH6KL_FW_IE_TIMESTAMP = 1,
     ATH6KL_FW_IE_OTP_IMAGE = 2,
     ATH6KL_FW_IE_FW_IMAGE = 3,
     ATH6KL_FW_IE_PATCH_IMAGE = 4,
     ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
     ATH6KL_FW_IE_CAPABILITIES = 6,
     ATH6KL_FW_IE_PATCH_ADDR = 7,
     ATH6KL_FW_IE_BOARD_ADDR = 8,
     ATH6KL_FW_IE_VIF_MAX = 9,
 };
 
 enum ath6kl_fw_capability {
     ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
     ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
 
     /*
      * Firmware is capable of supporting P2P mgmt operations on a
      * station interface. After group formation, the station
      * interface will become a P2P client/GO interface as the case may be
      */
     ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
 
     /*
      * Firmware has support to cleanup inactive stations
      * in AP mode.
      */
     ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
 
     /* Firmware has support to override rsn cap of rsn ie */
     ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
 
     /*
      * Multicast support in WOW and host awake mode.
      * Allow all multicast in host awake mode.
      * Apply multicast filter in WOW mode.
      */
     ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
 
     /* Firmware supports enhanced bmiss detection */
     ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
 
     /*
      * FW supports matching of ssid in schedule scan
      */
     ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
 
     /* Firmware supports filtering BSS results by RSSI */
     ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
 
     /* FW sets mac_addr[4] ^= 0x80 for newly created interfaces */
     ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
 
     /* Firmware supports TX error rate notification */
     ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
 
     /* supports WMI_SET_REGDOMAIN_CMDID command */
     ATH6KL_FW_CAPABILITY_REGDOMAIN,
 
     /* Firmware supports sched scan decoupled from host sleep */
     ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
 
     /*
      * Firmware capability for hang detection through heart beat
      * challenge messages.
      */
     ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
 
     /* WMI_SET_TX_SELECT_RATES_CMDID uses 64 bit size rate table */
     ATH6KL_FW_CAPABILITY_64BIT_RATES,
 
     /* WMI_AP_CONN_INACT_CMDID uses minutes as units */
     ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
 
     /* use low priority endpoint for all data */
     ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
 
     /* ratetable is the 2 stream version (max MCS15) */
     ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
 
     /* firmware doesn't support IP checksumming */
     ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
 
     /* this needs to be last */
     ATH6KL_FW_CAPABILITY_MAX,
 };
 
 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
 
 struct ath6kl_fw_ie {
     __le32 id;
     __le32 len;
     u8 data[];
 };
 
 enum ath6kl_hw_flags {
     ATH6KL_HW_SDIO_CRC_ERROR_WAR    = BIT(3),
 };
 
 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 #define ATH6KL_FW_API3_FILE "fw-3.bin"
 #define ATH6KL_FW_API4_FILE "fw-4.bin"
 #define ATH6KL_FW_API5_FILE "fw-5.bin"
 
 /* AR6003 1.0 definitions */
 #define AR6003_HW_1_0_VERSION                 0x300002ba
 
 /* AR6003 2.0 definitions */
 #define AR6003_HW_2_0_VERSION                 0x30000384
 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS  0x57e910
 #define AR6003_HW_2_0_FW_DIR            "ath6k/AR6003/hw2.0"
 #define AR6003_HW_2_0_OTP_FILE          "otp.bin.z77"
 #define AR6003_HW_2_0_FIRMWARE_FILE     "athwlan.bin.z77"
 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE    "athtcmd_ram.bin"
 #define AR6003_HW_2_0_PATCH_FILE        "data.patch.bin"
 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
             AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
 
 /* AR6003 3.0 definitions */
 #define AR6003_HW_2_1_1_VERSION                 0x30000582
 #define AR6003_HW_2_1_1_FW_DIR          "ath6k/AR6003/hw2.1.1"
 #define AR6003_HW_2_1_1_OTP_FILE        "otp.bin"
 #define AR6003_HW_2_1_1_FIRMWARE_FILE       "athwlan.bin"
 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE  "athtcmd_ram.bin"
 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE   "utf.bin"
 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
 #define AR6003_HW_2_1_1_PATCH_FILE      "data.patch.bin"
 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
             AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
 
 /* AR6004 1.0 definitions */
 #define AR6004_HW_1_0_VERSION                 0x30000623
 #define AR6004_HW_1_0_FW_DIR            "ath6k/AR6004/hw1.0"
 #define AR6004_HW_1_0_FIRMWARE_FILE     "fw.ram.bin"
 #define AR6004_HW_1_0_BOARD_DATA_FILE         AR6004_HW_1_0_FW_DIR "/bdata.bin"
 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
     AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
 
 /* AR6004 1.1 definitions */
 #define AR6004_HW_1_1_VERSION                 0x30000001
 #define AR6004_HW_1_1_FW_DIR            "ath6k/AR6004/hw1.1"
 #define AR6004_HW_1_1_FIRMWARE_FILE     "fw.ram.bin"
 #define AR6004_HW_1_1_BOARD_DATA_FILE         AR6004_HW_1_1_FW_DIR "/bdata.bin"
 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
     AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
 
 /* AR6004 1.2 definitions */
 #define AR6004_HW_1_2_VERSION                 0x300007e8
 #define AR6004_HW_1_2_FW_DIR            "ath6k/AR6004/hw1.2"
 #define AR6004_HW_1_2_FIRMWARE_FILE           "fw.ram.bin"
 #define AR6004_HW_1_2_BOARD_DATA_FILE         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
     AR6004_HW_1_2_FW_DIR "/bdata.bin"
 
 /* AR6004 1.3 definitions */
 #define AR6004_HW_1_3_VERSION           0x31c8088a
 #define AR6004_HW_1_3_FW_DIR            "ath6k/AR6004/hw1.3"
 #define AR6004_HW_1_3_FIRMWARE_FILE     "fw.ram.bin"
 #define AR6004_HW_1_3_TCMD_FIRMWARE_FILE    "utf.bin"
 #define AR6004_HW_1_3_UTF_FIRMWARE_FILE     "utf.bin"
 #define AR6004_HW_1_3_TESTSCRIPT_FILE       "nullTestFlow.bin"
 #define AR6004_HW_1_3_BOARD_DATA_FILE         AR6004_HW_1_3_FW_DIR "/bdata.bin"
 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
 
 /* AR6004 3.0 definitions */
 #define AR6004_HW_3_0_VERSION           0x31C809F8
 #define AR6004_HW_3_0_FW_DIR            "ath6k/AR6004/hw3.0"
 #define AR6004_HW_3_0_FIRMWARE_FILE     "fw.ram.bin"
 #define AR6004_HW_3_0_TCMD_FIRMWARE_FILE    "utf.bin"
 #define AR6004_HW_3_0_UTF_FIRMWARE_FILE     "utf.bin"
 #define AR6004_HW_3_0_TESTSCRIPT_FILE       "nullTestFlow.bin"
 #define AR6004_HW_3_0_BOARD_DATA_FILE         AR6004_HW_3_0_FW_DIR "/bdata.bin"
 #define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
 
 /* Per STA data, used in AP mode */
 #define STA_PS_AWAKE        BIT(0)
 #define STA_PS_SLEEP        BIT(1)
 #define STA_PS_POLLED       BIT(2)
 #define STA_PS_APSD_TRIGGER     BIT(3)
 #define STA_PS_APSD_EOSP        BIT(4)
 
 /* HTC TX packet tagging definitions */
 #define ATH6KL_CONTROL_PKT_TAG    HTC_TX_PACKET_TAG_USER_DEFINED
 #define ATH6KL_DATA_PKT_TAG       (ATH6KL_CONTROL_PKT_TAG + 1)
 
 #define AR6003_CUST_DATA_SIZE 16
 
 #define AGGR_WIN_IDX(x, y)          ((x) % (y))
 #define AGGR_INCR_IDX(x, y)         AGGR_WIN_IDX(((x) + 1), (y))
 #define AGGR_DCRM_IDX(x, y)         AGGR_WIN_IDX(((x) - 1), (y))
 #define ATH6KL_MAX_SEQ_NO       0xFFF
 #define ATH6KL_NEXT_SEQ_NO(x)       (((x) + 1) & ATH6KL_MAX_SEQ_NO)
 
 #define NUM_OF_TIDS         8
 #define AGGR_SZ_DEFAULT     8
 
 #define AGGR_WIN_SZ_MIN     2
 #define AGGR_WIN_SZ_MAX     8
 
 #define TID_WINDOW_SZ(_x)   ((_x) << 1)
 
 #define AGGR_NUM_OF_FREE_NETBUFS    16
 
 #define AGGR_RX_TIMEOUT     100 /* in ms */
 
 #define WMI_TIMEOUT (2 * HZ)
 
 #define MBOX_YIELD_LIMIT 99
 
 #define ATH6KL_DEFAULT_LISTEN_INTVAL    100 /* in TUs */
 #define ATH6KL_DEFAULT_BMISS_TIME   1500
 #define ATH6KL_MAX_WOW_LISTEN_INTL  300 /* in TUs */
 #define ATH6KL_MAX_BMISS_TIME       5000
 
 /* configuration lags */
 /*
  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
  * ERP IE of beacon to determine the short premable support when
  * sending (Re)Assoc req.
  * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
  * module state transition failure events which happen during
  * scan, to the host.
  */
 #define ATH6KL_CONF_IGNORE_ERP_BARKER       BIT(0)
 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN  BIT(1)
 #define ATH6KL_CONF_ENABLE_11N          BIT(2)
 #define ATH6KL_CONF_ENABLE_TX_BURST     BIT(3)
 #define ATH6KL_CONF_UART_DEBUG          BIT(4)
 
 #define P2P_WILDCARD_SSID_LEN           7 /* DIRECT- */
 
 enum wlan_low_pwr_state {
     WLAN_POWER_STATE_ON,
     WLAN_POWER_STATE_CUT_PWR,
     WLAN_POWER_STATE_DEEP_SLEEP,
     WLAN_POWER_STATE_WOW
 };
 
 enum sme_state {
     SME_DISCONNECTED,
     SME_CONNECTING,
     SME_CONNECTED
 };
 
 struct skb_hold_q {
     struct sk_buff *skb;
     bool is_amsdu;
     u16 seq_no;
 };
 
 struct rxtid {
     bool aggr;
     bool timer_mon;
     u16 win_sz;
     u16 seq_next;
     u32 hold_q_sz;
     struct skb_hold_q *hold_q;
     struct sk_buff_head q;
 
     /*
      * lock mainly protects seq_next and hold_q. Movement of seq_next
      * needs to be protected between aggr_timeout() and
      * aggr_process_recv_frm(). hold_q will be holding the pending
      * reorder frames and it's access should also be protected.
      * Some of the other fields like hold_q_sz, win_sz and aggr are
      * initialized/reset when receiving addba/delba req, also while
      * deleting aggr state all the pending buffers are flushed before
      * resetting these fields, so there should not be any race in accessing
      * these fields.
      */
     spinlock_t lock;
 };
 
 struct rxtid_stats {
     u32 num_into_aggr;
     u32 num_dups;
     u32 num_oow;
     u32 num_mpdu;
     u32 num_amsdu;
     u32 num_delivered;
     u32 num_timeouts;
     u32 num_hole;
     u32 num_bar;
 };
 
 struct aggr_info_conn {
     u8 aggr_sz;
     u8 timer_scheduled;
     struct timer_list timer;
     struct net_device *dev;
     struct rxtid rx_tid[NUM_OF_TIDS];
     struct rxtid_stats stat[NUM_OF_TIDS];
     struct aggr_info *aggr_info;
 };
 
 struct aggr_info {
     struct aggr_info_conn *aggr_conn;
     struct sk_buff_head rx_amsdu_freeq;
 };
 
 struct ath6kl_wep_key {
     u8 key_index;
     u8 key_len;
     u8 key[64];
 };
 
 #define ATH6KL_KEY_SEQ_LEN 8
 
 struct ath6kl_key {
     u8 key[WLAN_MAX_KEY_LEN];
     u8 key_len;
     u8 seq[ATH6KL_KEY_SEQ_LEN];
     u8 seq_len;
     u32 cipher;
 };
 
 struct ath6kl_node_mapping {
     u8 mac_addr[ETH_ALEN];
     u8 ep_id;
     u8 tx_pend;
 };
 
 struct ath6kl_cookie {
     struct sk_buff *skb;
     u32 map_no;
     struct htc_packet htc_pkt;
     struct ath6kl_cookie *arc_list_next;
 };
 
 struct ath6kl_mgmt_buff {
     struct list_head list;
     u32 freq;
     u32 wait;
     u32 id;
     bool no_cck;
     size_t len;
     u8 buf[];
 };
 
 struct ath6kl_sta {
     u16 sta_flags;
     u8 mac[ETH_ALEN];
     u8 aid;
     u8 keymgmt;
     u8 ucipher;
     u8 auth;
     u8 wpa_ie[ATH6KL_MAX_IE];
     struct sk_buff_head psq;
 
     /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
     spinlock_t psq_lock;
 
     struct list_head mgmt_psq;
     size_t mgmt_psq_len;
     u8 apsd_info;
     struct sk_buff_head apsdq;
     struct aggr_info_conn *aggr_conn;
 };
 
 struct ath6kl_version {
     u32 target_ver;
     u32 wlan_ver;
     u32 abi_ver;
 };
 
 struct ath6kl_bmi {
     u32 cmd_credits;
     bool done_sent;
     u8 *cmd_buf;
     u32 max_data_size;
     u32 max_cmd_size;
 };
 
 struct target_stats {
     u64 tx_pkt;
     u64 tx_byte;
     u64 tx_ucast_pkt;
     u64 tx_ucast_byte;
     u64 tx_mcast_pkt;
     u64 tx_mcast_byte;
     u64 tx_bcast_pkt;
     u64 tx_bcast_byte;
     u64 tx_rts_success_cnt;
     u64 tx_pkt_per_ac[4];
 
     u64 tx_err;
     u64 tx_fail_cnt;
     u64 tx_retry_cnt;
     u64 tx_mult_retry_cnt;
     u64 tx_rts_fail_cnt;
 
     u64 rx_pkt;
     u64 rx_byte;
     u64 rx_ucast_pkt;
     u64 rx_ucast_byte;
     u64 rx_mcast_pkt;
     u64 rx_mcast_byte;
     u64 rx_bcast_pkt;
     u64 rx_bcast_byte;
     u64 rx_frgment_pkt;
 
     u64 rx_err;
     u64 rx_crc_err;
     u64 rx_key_cache_miss;
     u64 rx_decrypt_err;
     u64 rx_dupl_frame;
 
     u64 tkip_local_mic_fail;
     u64 tkip_cnter_measures_invoked;
     u64 tkip_replays;
     u64 tkip_fmt_err;
     u64 ccmp_fmt_err;
     u64 ccmp_replays;
 
     u64 pwr_save_fail_cnt;
 
     u64 cs_bmiss_cnt;
     u64 cs_low_rssi_cnt;
     u64 cs_connect_cnt;
     u64 cs_discon_cnt;
 
     s32 tx_ucast_rate;
     s32 rx_ucast_rate;
 
     u32 lq_val;
 
     u32 wow_pkt_dropped;
     u16 wow_evt_discarded;
 
     s16 noise_floor_calib;
     s16 cs_rssi;
     s16 cs_ave_beacon_rssi;
     u8 cs_ave_beacon_snr;
     u8 cs_last_roam_msec;
     u8 cs_snr;
 
     u8 wow_host_pkt_wakeups;
     u8 wow_host_evt_wakeups;
 
     u32 arp_received;
     u32 arp_matched;
     u32 arp_replied;
 };
 
 struct ath6kl_mbox_info {
     u32 htc_addr;
     u32 htc_ext_addr;
     u32 htc_ext_sz;
 
     u32 block_size;
 
     u32 gmbox_addr;
 
     u32 gmbox_sz;
 };
 
 /*
  * 802.11i defines an extended IV for use with non-WEP ciphers.
  * When the EXTIV bit is set in the key id byte an additional
  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
  * EXTIV bit is likewise set but the 8 bytes represent the
  * CCMP header rather than IV+extended-IV.
  */
 
 #define ATH6KL_KEYBUF_SIZE 16
 #define ATH6KL_MICBUF_SIZE (8+8)    /* space for both tx and rx */
 
 #define ATH6KL_KEY_XMIT  0x01
 #define ATH6KL_KEY_RECV  0x02
 #define ATH6KL_KEY_DEFAULT   0x80   /* default xmit key */
 
 /* Initial group key for AP mode */
 struct ath6kl_req_key {
     bool valid;
     u8 key_index;
     int key_type;
     u8 key[WLAN_MAX_KEY_LEN];
     u8 key_len;
 };
 
 enum ath6kl_hif_type {
     ATH6KL_HIF_TYPE_SDIO,
     ATH6KL_HIF_TYPE_USB,
 };
 
 enum ath6kl_htc_type {
     ATH6KL_HTC_TYPE_MBOX,
     ATH6KL_HTC_TYPE_PIPE,
 };
 
 /* Max number of filters that hw supports */
 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
 struct ath6kl_mc_filter {
     struct list_head list;
     char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
 };
 
 struct ath6kl_htcap {
     bool ht_enable;
     u8 ampdu_factor;
     unsigned short cap_info;
 };
 
 /*
  * Driver's maximum limit, note that some firmwares support only one vif
  * and the runtime (current) limit must be checked from ar->vif_max.
  */
 #define ATH6KL_VIF_MAX  3
 
 /* vif flags info */
 enum ath6kl_vif_state {
     CONNECTED,
     CONNECT_PEND,
     WMM_ENABLED,
     NETQ_STOPPED,
     DTIM_EXPIRED,
     CLEAR_BSSFILTER_ON_BEACON,
     DTIM_PERIOD_AVAIL,
     WLAN_ENABLED,
     STATS_UPDATE_PEND,
     HOST_SLEEP_MODE_CMD_PROCESSED,
     NETDEV_MCAST_ALL_ON,
     NETDEV_MCAST_ALL_OFF,
     SCHED_SCANNING,
 };
 
 struct ath6kl_vif {
     struct list_head list;
     struct wireless_dev wdev;
     struct net_device *ndev;
     struct ath6kl *ar;
     /* Lock to protect vif specific net_stats and flags */
     spinlock_t if_lock;
     u8 fw_vif_idx;
     unsigned long flags;
     int ssid_len;
     u8 ssid[IEEE80211_MAX_SSID_LEN];
     u8 dot11_auth_mode;
     u8 auth_mode;
     u8 prwise_crypto;
     u8 prwise_crypto_len;
     u8 grp_crypto;
     u8 grp_crypto_len;
     u8 def_txkey_index;
     u8 next_mode;
     u8 nw_type;
     u8 bssid[ETH_ALEN];
     u8 req_bssid[ETH_ALEN];
     u16 ch_hint;
     u16 bss_ch;
     struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
     struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
     struct aggr_info *aggr_cntxt;
     struct ath6kl_htcap htcap[NUM_NL80211_BANDS];
 
     struct timer_list disconnect_timer;
     struct timer_list sched_scan_timer;
 
     struct cfg80211_scan_request *scan_req;
     enum sme_state sme_state;
     int reconnect_flag;
     u32 last_roc_id;
     u32 last_cancel_roc_id;
     u32 send_action_id;
     bool probe_req_report;
     u16 assoc_bss_beacon_int;
     u16 listen_intvl_t;
     u16 bmiss_time_t;
     u32 txe_intvl;
     u16 bg_scan_period;
     u8 assoc_bss_dtim_period;
     struct target_stats target_stats;
     struct wmi_connect_cmd profile;
     u16 rsn_capab;
 
     struct list_head mc_filter;
 };
 
 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
 {
     return container_of(wdev, struct ath6kl_vif, wdev);
 }
 
 #define WOW_LIST_ID     0
 #define WOW_HOST_REQ_DELAY  500 /* ms */
 
 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
 
 /* Flag info */
 enum ath6kl_dev_state {
     WMI_ENABLED,
     WMI_READY,
     WMI_CTRL_EP_FULL,
     TESTMODE,
     DESTROY_IN_PROGRESS,
     SKIP_SCAN,
     ROAM_TBL_PEND,
     FIRST_BOOT,
     RECOVERY_CLEANUP,
 };
 
 enum ath6kl_state {
     ATH6KL_STATE_OFF,
     ATH6KL_STATE_ON,
     ATH6KL_STATE_SUSPENDING,
     ATH6KL_STATE_RESUMING,
     ATH6KL_STATE_DEEPSLEEP,
     ATH6KL_STATE_CUTPOWER,
     ATH6KL_STATE_WOW,
     ATH6KL_STATE_RECOVERY,
 };
 
 /* Fw error recovery */
 #define ATH6KL_HB_RESP_MISS_THRES   5
 
 enum ath6kl_fw_err {
     ATH6KL_FW_ASSERT,
     ATH6KL_FW_HB_RESP_FAILURE,
     ATH6KL_FW_EP_FULL,
 };
 
 struct ath6kl {
     struct device *dev;
     struct wiphy *wiphy;
 
     enum ath6kl_state state;
     unsigned int testmode;
 
     struct ath6kl_bmi bmi;
     const struct ath6kl_hif_ops *hif_ops;
     const struct ath6kl_htc_ops *htc_ops;
     struct wmi *wmi;
     int tx_pending[ENDPOINT_MAX];
     int total_tx_data_pend;
     struct htc_target *htc_target;
     enum ath6kl_hif_type hif_type;
     void *hif_priv;
     struct list_head vif_list;
     /* Lock to avoid race in vif_list entries among add/del/traverse */
     spinlock_t list_lock;
     u8 num_vif;
     unsigned int vif_max;
     u8 max_norm_iface;
     u8 avail_idx_map;
 
     /*
      * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
      * calls, tx_pending and total_tx_data_pend.
      */
     spinlock_t lock;
 
     struct semaphore sem;
     u8 lrssi_roam_threshold;
     struct ath6kl_version version;
     u32 target_type;
     u8 tx_pwr;
     struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
     u8 ibss_ps_enable;
     bool ibss_if_active;
     u8 node_num;
     u8 next_ep_id;
     struct ath6kl_cookie *cookie_list;
     u32 cookie_count;
     enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
     bool ac_stream_active[WMM_NUM_AC];
     u8 ac_stream_pri_map[WMM_NUM_AC];
     u8 hiac_stream_active_pri;
     u8 ep2ac_map[ENDPOINT_MAX];
     enum htc_endpoint_id ctrl_ep;
     struct ath6kl_htc_credit_info credit_state_info;
     u32 connect_ctrl_flags;
     u32 user_key_ctrl;
     u8 usr_bss_filter;
     struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
     u8 sta_list_index;
     struct ath6kl_req_key ap_mode_bkey;
     struct sk_buff_head mcastpsq;
     u32 want_ch_switch;
     u16 last_ch;
 
     /*
      * FIXME: protects access to mcastpsq but is actually useless as
      * all skbe_queue_*() functions provide serialisation themselves
      */
     spinlock_t mcastpsq_lock;
 
     u8 intra_bss;
     struct wmi_ap_mode_stat ap_stats;
     u8 ap_country_code[3];
     struct list_head amsdu_rx_buffer_queue;
     u8 rx_meta_ver;
     enum wlan_low_pwr_state wlan_pwr_state;
     u8 mac_addr[ETH_ALEN];
 #define AR_MCAST_FILTER_MAC_ADDR_SIZE  4
     struct {
         void *rx_report;
         size_t rx_report_len;
     } tm;
 
     struct ath6kl_hw {
         u32 id;
         const char *name;
         u32 dataset_patch_addr;
         u32 app_load_addr;
         u32 app_start_override_addr;
         u32 board_ext_data_addr;
         u32 reserved_ram_size;
         u32 board_addr;
         u32 refclk_hz;
         u32 uarttx_pin;
         u32 uarttx_rate;
         u32 testscript_addr;
         u8 tx_ant;
         u8 rx_ant;
         enum wmi_phy_cap cap;
 
         u32 flags;
 
         struct ath6kl_hw_fw {
             const char *dir;
             const char *otp;
             const char *fw;
             const char *tcmd;
             const char *patch;
             const char *utf;
             const char *testscript;
         } fw;
 
         const char *fw_board;
         const char *fw_default_board;
     } hw;
 
     u16 conf_flags;
     u16 suspend_mode;
     u16 wow_suspend_mode;
     wait_queue_head_t event_wq;
     struct ath6kl_mbox_info mbox_info;
 
     struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
     unsigned long flag;
 
     u8 *fw_board;
     size_t fw_board_len;
 
     u8 *fw_otp;
     size_t fw_otp_len;
 
     u8 *fw;
     size_t fw_len;
 
     u8 *fw_patch;
     size_t fw_patch_len;
 
     u8 *fw_testscript;
     size_t fw_testscript_len;
 
     unsigned int fw_api;
     unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
 
     struct workqueue_struct *ath6kl_wq;
 
     struct dentry *debugfs_phy;
 
     bool p2p;
 
     bool wiphy_registered;
 
     struct ath6kl_fw_recovery {
         struct work_struct recovery_work;
         unsigned long err_reason;
         unsigned long hb_poll;
         struct timer_list hb_timer;
         u32 seq_num;
         bool hb_pending;
         u8 hb_misscnt;
         bool enable;
     } fw_recovery;
 
 #ifdef CONFIG_ATH6KL_DEBUG
     struct {
         struct sk_buff_head fwlog_queue;
         struct completion fwlog_completion;
         bool fwlog_open;
 
         u32 fwlog_mask;
 
         unsigned int dbgfs_diag_reg;
         u32 diag_reg_addr_wr;
         u32 diag_reg_val_wr;
 
         struct {
             unsigned int invalid_rate;
         } war_stats;
 
         u8 *roam_tbl;
         unsigned int roam_tbl_len;
 
         u8 keepalive;
         u8 disc_timeout;
     } debug;
 #endif /* CONFIG_ATH6KL_DEBUG */
 };
 
 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
 {
     return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
 }
 
 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
                       u32 item_offset)
 {
     u32 addr = 0;
 
     if (ar->target_type == TARGET_TYPE_AR6003)
         addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
     else if (ar->target_type == TARGET_TYPE_AR6004)
         addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
 
     return addr;
 }
 
 int ath6kl_configure_target(struct ath6kl *ar);
 void ath6kl_detect_error(unsigned long ptr);
 void disconnect_timer_handler(struct timer_list *t);
 void init_netdev(struct net_device *dev);
 void ath6kl_cookie_init(struct ath6kl *ar);
 void ath6kl_cookie_cleanup(struct ath6kl *ar);
 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
 void ath6kl_tx_complete(struct htc_target *context,
             struct list_head *packet_queue);
 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
                            struct htc_packet *packet);
 void ath6kl_stop_txrx(struct ath6kl *ar);
 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
 int ath6kl_read_fwlogs(struct ath6kl *ar);
 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
 
 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
 netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
 
 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
             struct aggr_info_conn *aggr_conn);
 void ath6kl_rx_refill(struct htc_target *target,
               enum htc_endpoint_id endpoint);
 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
                         enum htc_endpoint_id endpoint,
                         int len);
 void aggr_module_destroy(struct aggr_info *aggr_info);
 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
 
 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
 
 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
             enum wmi_phy_cap cap);
 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
               enum htc_endpoint_id eid);
 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
               u8 *bssid, u16 listen_int,
               u16 beacon_int, enum network_type net_type,
               u8 beacon_ie_len, u8 assoc_req_len,
               u8 assoc_resp_len, u8 *assoc_info);
 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
                 u8 keymgmt, u8 ucipher, u8 auth,
                 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
                  u8 *bssid, u8 assoc_resp_len,
                  u8 *assoc_info, u16 prot_reason_status);
 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
 
 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
 
 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
 void ath6kl_disconnect(struct ath6kl_vif *vif);
 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
                  u8 win_sz);
 void ath6kl_wakeup_event(void *dev);
 
 void ath6kl_init_control_info(struct ath6kl_vif *vif);
 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);
 int ath6kl_init_hw_start(struct ath6kl *ar);
 int ath6kl_init_hw_stop(struct ath6kl *ar);
 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
 int ath6kl_init_hw_params(struct ath6kl *ar);
 
 void ath6kl_check_wow_status(struct ath6kl *ar);
 
 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
 
 struct ath6kl *ath6kl_core_create(struct device *dev);
 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
 void ath6kl_core_cleanup(struct ath6kl *ar);
 void ath6kl_core_destroy(struct ath6kl *ar);
 
 /* Fw error recovery */
 void ath6kl_init_hw_restart(struct ath6kl *ar);
 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
 void ath6kl_recovery_init(struct ath6kl *ar);
 void ath6kl_recovery_cleanup(struct ath6kl *ar);
 void ath6kl_recovery_suspend(struct ath6kl *ar);
 void ath6kl_recovery_resume(struct ath6kl *ar);
 #endif /* CORE_H */

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