OSCL-LXR linux-6.0.1/​drivers/​net/​wireless/​marvell/​mwifiex/​main.h	Source navigation Diff markup Identifier search General search
	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

 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * NXP Wireless LAN device driver: major data structures and prototypes
  *
  * Copyright 2011-2020 NXP
  */
 
 #ifndef _MWIFIEX_MAIN_H_
 #define _MWIFIEX_MAIN_H_
 
 #include <linux/completion.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/vmalloc.h>
 #include <linux/firmware.h>
 #include <linux/ctype.h>
 #include <linux/of.h>
 #include <linux/idr.h>
 #include <linux/inetdevice.h>
 #include <linux/devcoredump.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/gfp.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/of_gpio.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/of_irq.h>
 
 #include "decl.h"
 #include "ioctl.h"
 #include "util.h"
 #include "fw.h"
 #include "pcie.h"
 #include "usb.h"
 #include "sdio.h"
 
 extern const char driver_version[];
 extern bool mfg_mode;
 extern bool aggr_ctrl;
 
 struct mwifiex_adapter;
 struct mwifiex_private;
 
 enum {
     MWIFIEX_ASYNC_CMD,
     MWIFIEX_SYNC_CMD
 };
 
 #define MWIFIEX_DRIVER_MODE_STA         BIT(0)
 #define MWIFIEX_DRIVER_MODE_UAP         BIT(1)
 #define MWIFIEX_DRIVER_MODE_P2P         BIT(2)
 #define MWIFIEX_DRIVER_MODE_BITMASK     (BIT(0) | BIT(1) | BIT(2))
 
 #define MWIFIEX_MAX_AP              64
 
 #define MWIFIEX_MAX_PKTS_TXQ            16
 
 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT    (5 * HZ)
 
 #define MWIFIEX_TIMER_10S           10000
 #define MWIFIEX_TIMER_1S            1000
 
 #define MAX_TX_PENDING      400
 #define LOW_TX_PENDING      380
 
 #define HIGH_RX_PENDING     50
 #define LOW_RX_PENDING      20
 
 #define MWIFIEX_UPLD_SIZE               (2312)
 
 #define MAX_EVENT_SIZE                  2048
 
 #define MWIFIEX_FW_DUMP_SIZE       (2 * 1024 * 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         9
 
 #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  110
 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   40
 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 40
 #define MWIFIEX_DEF_SCAN_CHAN_GAP_TIME  50
 
 #define SCAN_RSSI(RSSI)                 (0x100 - ((u8)(RSSI)))
 
 #define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
 
 #define WPA_GTK_OUI_OFFSET              2
 #define RSN_GTK_OUI_OFFSET              2
 
 #define MWIFIEX_OUI_NOT_PRESENT         0
 #define MWIFIEX_OUI_PRESENT             1
 
 #define PKT_TYPE_MGMT   0xE5
 
 /*
  * Do not check for data_received for USB, as data_received
  * is handled in mwifiex_usb_recv for USB
  */
 #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_AGGR_DATA              10
 #define MWIFIEX_TYPE_EVENT              3
 
 #define MAX_BITMAP_RATES_SIZE           18
 
 #define MAX_CHANNEL_BAND_BG     14
 #define MAX_CHANNEL_BAND_A      165
 
 #define MAX_FREQUENCY_BAND_BG   2484
 
 #define MWIFIEX_EVENT_HEADER_LEN           4
 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER     2
 
 #define MWIFIEX_TYPE_LEN            4
 #define MWIFIEX_USB_TYPE_CMD            0xF00DFACE
 #define MWIFIEX_USB_TYPE_DATA           0xBEADC0DE
 #define MWIFIEX_USB_TYPE_EVENT          0xBEEFFACE
 
 /* Threshold for tx_timeout_cnt before we trigger a card reset */
 #define TX_TIMEOUT_THRESHOLD    6
 
 #define MWIFIEX_DRV_INFO_SIZE_MAX 0x40000
 
 /* Address alignment */
 #define MWIFIEX_ALIGN_ADDR(p, a) (((long)(p) + (a) - 1) & ~((a) - 1))
 
 #define MWIFIEX_MAC_LOCAL_ADMIN_BIT     41
 
 /**
  *enum mwifiex_debug_level  -  marvell wifi debug level
  */
 enum MWIFIEX_DEBUG_LEVEL {
     MWIFIEX_DBG_MSG     = 0x00000001,
     MWIFIEX_DBG_FATAL   = 0x00000002,
     MWIFIEX_DBG_ERROR   = 0x00000004,
     MWIFIEX_DBG_DATA    = 0x00000008,
     MWIFIEX_DBG_CMD     = 0x00000010,
     MWIFIEX_DBG_EVENT   = 0x00000020,
     MWIFIEX_DBG_INTR    = 0x00000040,
     MWIFIEX_DBG_IOCTL   = 0x00000080,
 
     MWIFIEX_DBG_MPA_D   = 0x00008000,
     MWIFIEX_DBG_DAT_D   = 0x00010000,
     MWIFIEX_DBG_CMD_D   = 0x00020000,
     MWIFIEX_DBG_EVT_D   = 0x00040000,
     MWIFIEX_DBG_FW_D    = 0x00080000,
     MWIFIEX_DBG_IF_D    = 0x00100000,
 
     MWIFIEX_DBG_ENTRY   = 0x10000000,
     MWIFIEX_DBG_WARN    = 0x20000000,
     MWIFIEX_DBG_INFO    = 0x40000000,
     MWIFIEX_DBG_DUMP    = 0x80000000,
 
     MWIFIEX_DBG_ANY     = 0xffffffff
 };
 
 #define MWIFIEX_DEFAULT_DEBUG_MASK  (MWIFIEX_DBG_MSG | \
                     MWIFIEX_DBG_FATAL | \
                     MWIFIEX_DBG_ERROR)
 
 __printf(3, 4)
 void _mwifiex_dbg(const struct mwifiex_adapter *adapter, int mask,
           const char *fmt, ...);
 #define mwifiex_dbg(adapter, mask, fmt, ...)                \
     _mwifiex_dbg(adapter, MWIFIEX_DBG_##mask, fmt, ##__VA_ARGS__)
 
 #define DEBUG_DUMP_DATA_MAX_LEN     128
 #define mwifiex_dbg_dump(adapter, dbg_mask, str, buf, len)  \
 do {                                \
     if ((adapter)->debug_mask & MWIFIEX_DBG_##dbg_mask) \
         print_hex_dump(KERN_DEBUG, str,         \
                    DUMP_PREFIX_OFFSET, 16, 1,   \
                    buf, len, false);        \
 } while (0)
 
 /** Min BGSCAN interval 15 second */
 #define MWIFIEX_BGSCAN_INTERVAL 15000
 /** default repeat count */
 #define MWIFIEX_BGSCAN_REPEAT_COUNT 6
 
 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;
     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;
     u32 last_mp_wr_bitmap[MWIFIEX_DBG_SDIO_MP_NUM];
     u32 last_mp_wr_ports[MWIFIEX_DBG_SDIO_MP_NUM];
     u32 last_mp_wr_len[MWIFIEX_DBG_SDIO_MP_NUM];
     u32 last_mp_curr_wr_port[MWIFIEX_DBG_SDIO_MP_NUM];
     u8 last_sdio_mp_index;
 };
 
 enum MWIFIEX_HARDWARE_STATUS {
     MWIFIEX_HW_STATUS_READY,
     MWIFIEX_HW_STATUS_INITIALIZING,
     MWIFIEX_HW_STATUS_INIT_DONE,
     MWIFIEX_HW_STATUS_RESET,
     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,
     MWIFIEX_USB
 };
 
 struct mwifiex_add_ba_param {
     u32 tx_win_size;
     u32 rx_win_size;
     u32 timeout;
     u8 tx_amsdu;
     u8 rx_amsdu;
 };
 
 struct mwifiex_tx_aggr {
     u8 ampdu_user;
     u8 ampdu_ap;
     u8 amsdu;
 };
 
 enum mwifiex_ba_status {
     BA_SETUP_NONE = 0,
     BA_SETUP_INPROGRESS,
     BA_SETUP_COMPLETE
 };
 
 struct mwifiex_ra_list_tbl {
     struct list_head list;
     struct sk_buff_head skb_head;
     u8 ra[ETH_ALEN];
     u32 is_11n_enabled;
     u16 max_amsdu;
     u16 ba_pkt_count;
     u8 ba_packet_thr;
     enum mwifiex_ba_status ba_status;
     u8 amsdu_in_ampdu;
     u16 total_pkt_count;
     bool tdls_link;
     bool tx_paused;
 };
 
 struct mwifiex_tid_tbl {
     struct list_head ra_list;
 };
 
 #define WMM_HIGHEST_PRIORITY        7
 #define HIGH_PRIO_TID               7
 #define LOW_PRIO_TID                0
 #define NO_PKT_PRIO_TID             -1
 #define MWIFIEX_WMM_DRV_DELAY_MAX 510
 
 struct mwifiex_wmm_desc {
     struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
     u32 packets_out[MAX_NUM_TID];
     u32 pkts_paused[MAX_NUM_TID];
     /* spin lock to protect ra_list */
     spinlock_t ra_list_spinlock;
     struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
     enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
     u32 drv_pkt_delay_max;
     u8 queue_priority[IEEE80211_NUM_ACS];
     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;
 
 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 ieee_types_bss_co_2040 {
     struct ieee_types_header ieee_hdr;
     u8 bss_2040co;
 } __packed;
 
 struct ieee_types_extcap {
     struct ieee_types_header ieee_hdr;
     u8 ext_capab[8];
 } __packed;
 
 struct ieee_types_vht_cap {
     struct ieee_types_header ieee_hdr;
     struct ieee80211_vht_cap vhtcap;
 } __packed;
 
 struct ieee_types_vht_oper {
     struct ieee_types_header ieee_hdr;
     struct ieee80211_vht_operation vhtoper;
 } __packed;
 
 struct ieee_types_aid {
     struct ieee_types_header ieee_hdr;
     u16 aid;
 } __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 fw_tsf;
     u64 timestamp;
     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_operation *bcn_ht_oper;
     u16 ht_info_offset;
     u8 *bcn_bss_co_2040;
     u16 bss_co_2040_offset;
     u8 *bcn_ext_cap;
     u16 ext_cap_offset;
     struct ieee80211_vht_cap *bcn_vht_cap;
     u16 vht_cap_offset;
     struct ieee80211_vht_operation *bcn_vht_oper;
     u16 vht_info_offset;
     struct ieee_types_oper_mode_ntf *oper_mode;
     u16 oper_mode_offset;
     u8 disable_11ac;
     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;
     u8 sensed_11h;
     u8 local_constraint;
     u8 chan_sw_ie_present;
 };
 
 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_roc_cfg {
     u64 cookie;
     struct ieee80211_channel chan;
 };
 
 enum mwifiex_iface_work_flags {
     MWIFIEX_IFACE_WORK_DEVICE_DUMP,
     MWIFIEX_IFACE_WORK_CARD_RESET,
 };
 
 enum mwifiex_adapter_work_flags {
     MWIFIEX_SURPRISE_REMOVED,
     MWIFIEX_IS_CMD_TIMEDOUT,
     MWIFIEX_IS_SUSPENDED,
     MWIFIEX_IS_HS_CONFIGURED,
     MWIFIEX_IS_HS_ENABLING,
     MWIFIEX_IS_REQUESTING_FW_VEREXT,
 };
 
 struct mwifiex_band_config {
     u8 chan_band:2;
     u8 chan_width:2;
     u8 chan2_offset:2;
     u8 scan_mode:2;
 } __packed;
 
 struct mwifiex_channel_band {
     struct mwifiex_band_config band_config;
     u8 channel;
 };
 
 struct mwifiex_private {
     struct mwifiex_adapter *adapter;
     u8 bss_type;
     u8 bss_role;
     u8 bss_priority;
     u8 bss_num;
     u8 bss_started;
     u8 frame_type;
     u8 curr_addr[ETH_ALEN];
     u8 media_connected;
     u8 port_open;
     u8 usb_port;
     u32 num_tx_timeout;
     /* track consecutive timeout */
     u8 tx_timeout_cnt;
     struct net_device *netdev;
     struct net_device_stats stats;
     u32 curr_pkt_filter;
     u32 bss_mode;
     u32 pkt_tx_ctrl;
     u16 tx_power_level;
     u8 max_tx_power_level;
     u8 min_tx_power_level;
     u32 tx_ant;
     u32 rx_ant;
     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];
     u16 wpa_ie_len;
     u8 wpa_is_gtk_set;
     struct host_cmd_ds_802_11_key_material aes_key;
     struct host_cmd_ds_802_11_key_material_v2 aes_key_v2;
     u8 wapi_ie[256];
     u16 wapi_ie_len;
     u8 *wps_ie;
     u16 wps_ie_len;
     u8 wmm_required;
     u8 wmm_enabled;
     u8 wmm_qosinfo;
     struct mwifiex_wmm_desc wmm;
     atomic_t wmm_tx_pending[IEEE80211_NUM_ACS];
     struct list_head sta_list;
     /* spin lock for associated station/TDLS peers list */
     spinlock_t sta_list_spinlock;
     struct list_head auto_tdls_list;
     /* spin lock for auto TDLS peer list */
     spinlock_t auto_tdls_lock;
     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];
     u8 tos_to_tid_inv[MAX_NUM_TID];
     struct list_head rx_reorder_tbl_ptr;
     /* spin lock for rx_reorder_tbl_ptr queue */
     spinlock_t rx_reorder_tbl_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;
     u32 versionstrsel;
     char version_str[MWIFIEX_VERSION_STR_LENGTH];
 #ifdef CONFIG_DEBUG_FS
     struct dentry *dfs_dev_dir;
 #endif
     u16 current_key_index;
     struct mutex async_mutex;
     struct cfg80211_scan_request *scan_request;
     u8 cfg_bssid[6];
     struct wps wps;
     u8 scan_block;
     s32 cqm_rssi_thold;
     u32 cqm_rssi_hyst;
     u8 subsc_evt_rssi_state;
     struct mwifiex_ds_misc_subsc_evt async_subsc_evt_storage;
     struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
     u16 beacon_idx;
     u16 proberesp_idx;
     u16 assocresp_idx;
     u16 gen_idx;
     u8 ap_11n_enabled;
     u8 ap_11ac_enabled;
     u32 mgmt_frame_mask;
     struct mwifiex_roc_cfg roc_cfg;
     bool scan_aborting;
     u8 sched_scanning;
     u8 csa_chan;
     unsigned long csa_expire_time;
     u8 del_list_idx;
     bool hs2_enabled;
     struct mwifiex_uap_bss_param bss_cfg;
     struct cfg80211_chan_def bss_chandef;
     struct station_parameters *sta_params;
     struct sk_buff_head tdls_txq;
     u8 check_tdls_tx;
     struct timer_list auto_tdls_timer;
     bool auto_tdls_timer_active;
     struct idr ack_status_frames;
     /* spin lock for ack status */
     spinlock_t ack_status_lock;
     /** rx histogram data */
     struct mwifiex_histogram_data *hist_data;
     struct cfg80211_chan_def dfs_chandef;
     struct workqueue_struct *dfs_cac_workqueue;
     struct delayed_work dfs_cac_work;
     struct timer_list dfs_chan_switch_timer;
     struct workqueue_struct *dfs_chan_sw_workqueue;
     struct delayed_work dfs_chan_sw_work;
     struct cfg80211_beacon_data beacon_after;
     struct mwifiex_11h_intf_state state_11h;
     struct mwifiex_ds_mem_rw mem_rw;
     struct sk_buff_head bypass_txq;
     struct mwifiex_user_scan_chan hidden_chan[MWIFIEX_USER_SCAN_CHAN_MAX];
     u8 assoc_resp_ht_param;
     bool ht_param_present;
 };
 
 
 struct mwifiex_tx_ba_stream_tbl {
     struct list_head list;
     int tid;
     u8 ra[ETH_ALEN];
     enum mwifiex_ba_status ba_status;
     u8 amsdu;
 };
 
 struct mwifiex_rx_reorder_tbl;
 
 struct reorder_tmr_cnxt {
     struct timer_list timer;
     struct mwifiex_rx_reorder_tbl *ptr;
     struct mwifiex_private *priv;
     u8 timer_is_set;
 };
 
 struct mwifiex_rx_reorder_tbl {
     struct list_head list;
     int tid;
     u8 ta[ETH_ALEN];
     int init_win;
     int start_win;
     int win_size;
     void **rx_reorder_ptr;
     struct reorder_tmr_cnxt timer_context;
     u8 amsdu;
     u8 flags;
 };
 
 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_no;
     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_bss_priv {
     u8 band;
     u64 fw_tsf;
 };
 
 struct mwifiex_tdls_capab {
     __le16 capab;
     u8 rates[32];
     u8 rates_len;
     u8 qos_info;
     u8 coex_2040;
     u16 aid;
     struct ieee80211_ht_cap ht_capb;
     struct ieee80211_ht_operation ht_oper;
     struct ieee_types_extcap extcap;
     struct ieee_types_generic rsn_ie;
     struct ieee80211_vht_cap vhtcap;
     struct ieee80211_vht_operation vhtoper;
 };
 
 struct mwifiex_station_stats {
     u64 last_rx;
     s8 rssi;
     u64 rx_bytes;
     u64 tx_bytes;
     u32 rx_packets;
     u32 tx_packets;
     u32 tx_failed;
     u8 last_tx_rate;
     u8 last_tx_htinfo;
 };
 
 /* This is AP/TDLS specific structure which stores information
  * about associated/peer STA
  */
 struct mwifiex_sta_node {
     struct list_head list;
     u8 mac_addr[ETH_ALEN];
     u8 is_wmm_enabled;
     u8 is_11n_enabled;
     u8 is_11ac_enabled;
     u8 ampdu_sta[MAX_NUM_TID];
     u16 rx_seq[MAX_NUM_TID];
     u16 max_amsdu;
     u8 tdls_status;
     struct mwifiex_tdls_capab tdls_cap;
     struct mwifiex_station_stats stats;
     u8 tx_pause;
 };
 
 struct mwifiex_auto_tdls_peer {
     struct list_head list;
     u8 mac_addr[ETH_ALEN];
     u8 tdls_status;
     int rssi;
     long rssi_jiffies;
     u8 failure_count;
     u8 do_discover;
     u8 do_setup;
 };
 
 #define MWIFIEX_TYPE_AGGR_DATA_V2 11
 #define MWIFIEX_BUS_AGGR_MODE_LEN_V2 (2)
 #define MWIFIEX_BUS_AGGR_MAX_LEN 16000
 #define MWIFIEX_BUS_AGGR_MAX_NUM 10
 struct bus_aggr_params {
     u16 enable;
     u16 mode;
     u16 tx_aggr_max_size;
     u16 tx_aggr_max_num;
     u16 tx_aggr_align;
 };
 
 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 (*check_winner_status)(struct mwifiex_adapter *);
     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 *);
     void (*disable_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 *);
     int (*init_fw_port) (struct mwifiex_adapter *);
     int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
     void (*card_reset) (struct mwifiex_adapter *);
     int (*reg_dump)(struct mwifiex_adapter *, char *);
     void (*device_dump)(struct mwifiex_adapter *);
     int (*clean_pcie_ring) (struct mwifiex_adapter *adapter);
     void (*iface_work)(struct work_struct *work);
     void (*submit_rem_rx_urbs)(struct mwifiex_adapter *adapter);
     void (*deaggr_pkt)(struct mwifiex_adapter *, struct sk_buff *);
     void (*multi_port_resync)(struct mwifiex_adapter *);
     bool (*is_port_ready)(struct mwifiex_private *);
     void (*down_dev)(struct mwifiex_adapter *);
     void (*up_dev)(struct mwifiex_adapter *);
 };
 
 struct mwifiex_adapter {
     u8 iface_type;
     unsigned int debug_mask;
     struct mwifiex_iface_comb iface_limit;
     struct mwifiex_iface_comb curr_iface_comb;
     struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
     u8 priv_num;
     const struct firmware *firmware;
     char fw_name[32];
     int winner;
     struct device *dev;
     struct wiphy *wiphy;
     u8 perm_addr[ETH_ALEN];
     unsigned long work_flags;
     u32 fw_release_number;
     u8 intf_hdr_len;
     u16 init_wait_q_woken;
     wait_queue_head_t init_wait_q;
     void *card;
     struct mwifiex_if_ops if_ops;
     atomic_t bypass_tx_pending;
     atomic_t rx_pending;
     atomic_t tx_pending;
     atomic_t cmd_pending;
     atomic_t tx_hw_pending;
     struct workqueue_struct *workqueue;
     struct work_struct main_work;
     struct workqueue_struct *rx_workqueue;
     struct work_struct rx_work;
     struct workqueue_struct *dfs_workqueue;
     struct work_struct dfs_work;
     bool rx_work_enabled;
     bool rx_processing;
     bool delay_main_work;
     bool rx_locked;
     bool main_locked;
     struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
     /* spin lock for main process */
     spinlock_t main_proc_lock;
     u32 mwifiex_processing;
     u8 more_task_flag;
     u16 tx_buf_size;
     u16 curr_tx_buf_size;
     /* sdio single port rx aggregation capability */
     bool host_disable_sdio_rx_aggr;
     bool sdio_rx_aggr_enable;
     u16 sdio_rx_block_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;
     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;
     /* spin lock for RX processing routine */
     spinlock_t rx_proc_lock;
     struct sk_buff_head tx_data_q;
     atomic_t tx_queued;
     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;
     u16 scan_chan_gap_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;
     struct timer_list wakeup_timer;
     struct mwifiex_hs_config_param hs_cfg;
     u8 hs_activated;
     u8 hs_activated_manually;
     u16 hs_activate_wait_q_woken;
     wait_queue_head_t hs_activate_wait_q;
     u8 event_body[MAX_EVENT_SIZE];
     u32 hw_dot_11n_dev_cap;
     u8 hw_dev_mcs_support;
     u8 user_dev_mcs_support;
     u8 adhoc_11n_enabled;
     u8 sec_chan_offset;
     struct mwifiex_dbg dbg;
     u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
     u32 arp_filter_size;
     struct mwifiex_wait_queue cmd_wait_q;
     u8 scan_wait_q_woken;
     spinlock_t queue_lock;      /* lock for tx queues */
     u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
     u16 max_mgmt_ie_index;
     const struct firmware *cal_data;
     struct device_node *dt_node;
 
     /* 11AC */
     u32 is_hw_11ac_capable;
     u32 hw_dot_11ac_dev_cap;
     u32 hw_dot_11ac_mcs_support;
     u32 usr_dot_11ac_dev_cap_bg;
     u32 usr_dot_11ac_dev_cap_a;
     u32 usr_dot_11ac_mcs_support;
 
     atomic_t pending_bridged_pkts;
 
     /* For synchronizing FW initialization with device lifecycle. */
     struct completion *fw_done;
     bool is_up;
 
     bool ext_scan;
     u8 fw_api_ver;
     u8 key_api_major_ver, key_api_minor_ver;
     u8 max_p2p_conn, max_sta_conn;
     struct memory_type_mapping *mem_type_mapping_tbl;
     u8 num_mem_types;
     bool scan_chan_gap_enabled;
     struct sk_buff_head rx_data_q;
     bool mfg_mode;
     struct mwifiex_chan_stats *chan_stats;
     u32 num_in_chan_stats;
     int survey_idx;
     bool auto_tdls;
     u8 coex_scan;
     u8 coex_min_scan_time;
     u8 coex_max_scan_time;
     u8 coex_win_size;
     u8 coex_tx_win_size;
     u8 coex_rx_win_size;
     bool drcs_enabled;
     u8 active_scan_triggered;
     bool usb_mc_status;
     bool usb_mc_setup;
     struct cfg80211_wowlan_nd_info *nd_info;
     struct ieee80211_regdomain *regd;
 
     /* Wake-on-WLAN (WoWLAN) */
     int irq_wakeup;
     bool wake_by_wifi;
     /* Aggregation parameters*/
     struct bus_aggr_params bus_aggr;
     /* Device dump data/length */
     void *devdump_data;
     int devdump_len;
     struct timer_list devdump_timer;
 
     bool ignore_btcoex_events;
 };
 
 void mwifiex_process_tx_queue(struct mwifiex_adapter *adapter);
 
 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_priv(struct mwifiex_private *priv);
 void mwifiex_free_priv(struct mwifiex_private *priv);
 
 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 
 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 
 void mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 
 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 
 int mwifiex_recv_packet(struct mwifiex_private *priv, struct sk_buff *skb);
 int mwifiex_uap_recv_packet(struct mwifiex_private *priv,
                 struct sk_buff *skb);
 
 int mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
                 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(struct mwifiex_private *priv, u16 cmd_no,
              u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync);
 
 void mwifiex_cmd_timeout_func(struct timer_list *t);
 
 int mwifiex_get_debug_info(struct mwifiex_private *,
                struct mwifiex_debug_info *);
 
 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 void mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 void mwifiex_free_cmd_buffers(struct mwifiex_adapter *adapter);
 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 void mwifiex_cancel_pending_scan_cmd(struct mwifiex_adapter *adapter);
 void mwifiex_cancel_scan(struct mwifiex_adapter *adapter);
 
 void mwifiex_recycle_cmd_node(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);
 
 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 aggr, 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_set_hs_params(struct mwifiex_private *priv, u16 action,
               int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg);
 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
                   struct host_cmd_ds_command *resp);
 int mwifiex_process_rx_packet(struct mwifiex_private *priv,
                   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_uap_prepare_cmd(struct mwifiex_private *priv, 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_private *,
                   struct sk_buff *skb);
 int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
                   struct sk_buff *skb);
 int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
                   struct sk_buff *skb);
 int mwifiex_process_sta_event(struct mwifiex_private *);
 int mwifiex_process_uap_event(struct mwifiex_private *);
 void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
 void mwifiex_wmm_del_peer_ra_list(struct mwifiex_private *priv,
                   const u8 *ra_addr);
 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);
 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta, bool init);
 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, u16 reason,
                  bool from_ap);
 u8 mwifiex_band_to_radio_type(u8 band);
 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 void mwifiex_deauthenticate_all(struct mwifiex_adapter *adapter);
 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_index_to_acs_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);
 u32 mwifiex_get_rates_from_cfg80211(struct mwifiex_private *priv,
                     u8 *rates, u8 radio_type);
 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 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);
 int mwifiex_set_secure_params(struct mwifiex_private *priv,
                   struct mwifiex_uap_bss_param *bss_config,
                   struct cfg80211_ap_settings *params);
 void mwifiex_set_ht_params(struct mwifiex_private *priv,
                struct mwifiex_uap_bss_param *bss_cfg,
                struct cfg80211_ap_settings *params);
 void mwifiex_set_vht_params(struct mwifiex_private *priv,
                 struct mwifiex_uap_bss_param *bss_cfg,
                 struct cfg80211_ap_settings *params);
 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
                 struct mwifiex_uap_bss_param *bss_cfg,
                 struct cfg80211_ap_settings *params);
 void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
                struct cfg80211_ap_settings *params);
 void mwifiex_set_vht_width(struct mwifiex_private *priv,
                enum nl80211_chan_width width,
                bool ap_11ac_disable);
 void
 mwifiex_set_wmm_params(struct mwifiex_private *priv,
                struct mwifiex_uap_bss_param *bss_cfg,
                struct cfg80211_ap_settings *params);
 void mwifiex_set_ba_params(struct mwifiex_private *priv);
 
 void mwifiex_update_ampdu_txwinsize(struct mwifiex_adapter *pmadapter);
 void mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv,
                          struct sk_buff *event_skb);
 
 void mwifiex_set_11ac_ba_params(struct mwifiex_private *priv);
 int mwifiex_cmd_802_11_scan_ext(struct mwifiex_private *priv,
                 struct host_cmd_ds_command *cmd,
                 void *data_buf);
 int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv,
                 struct host_cmd_ds_command *resp);
 int mwifiex_handle_event_ext_scan_report(struct mwifiex_private *priv,
                      void *buf);
 int mwifiex_cmd_802_11_bg_scan_config(struct mwifiex_private *priv,
                       struct host_cmd_ds_command *cmd,
                       void *data_buf);
 int mwifiex_stop_bg_scan(struct mwifiex_private *priv);
 
 /*
  * 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 ||
          priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) &&
         (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 checks available bss_num when adding new interface or
  * changing interface type.
  */
 static inline u8
 mwifiex_get_unused_bss_num(struct mwifiex_adapter *adapter, u8 bss_type)
 {
     u8 i, j;
     int index[MWIFIEX_MAX_BSS_NUM];
 
     memset(index, 0, sizeof(index));
     for (i = 0; i < adapter->priv_num; i++)
         if (adapter->priv[i]) {
             if (adapter->priv[i]->bss_type == bss_type &&
                 !(adapter->priv[i]->bss_mode ==
                   NL80211_IFTYPE_UNSPECIFIED)) {
                 index[adapter->priv[i]->bss_num] = 1;
             }
         }
     for (j = 0; j < MWIFIEX_MAX_BSS_NUM; j++)
         if (!index[j])
             return j;
     return -1;
 }
 
 /*
  * This function returns the first available unused private structure pointer.
  */
 static inline struct mwifiex_private *
 mwifiex_get_unused_priv_by_bss_type(struct mwifiex_adapter *adapter,
                     u8 bss_type)
 {
     u8 i;
 
     for (i = 0; i < adapter->priv_num; i++)
         if (adapter->priv[i]->bss_mode ==
            NL80211_IFTYPE_UNSPECIFIED) {
             adapter->priv[i]->bss_num =
             mwifiex_get_unused_bss_num(adapter, bss_type);
             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));
 }
 
 /*
  * This function checks if a skb holds a management frame.
  */
 static inline bool mwifiex_is_skb_mgmt_frame(struct sk_buff *skb)
 {
     return (get_unaligned_le32(skb->data) == PKT_TYPE_MGMT);
 }
 
 /* This function retrieves channel closed for operation by Channel
  * Switch Announcement.
  */
 static inline u8
 mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv)
 {
     if (!priv->csa_chan)
         return 0;
 
     /* Clear csa channel, if DFS channel move time has passed */
     if (time_after(jiffies, priv->csa_expire_time)) {
         priv->csa_chan = 0;
         priv->csa_expire_time = 0;
     }
 
     return priv->csa_chan;
 }
 
 static inline u8 mwifiex_is_any_intf_active(struct mwifiex_private *priv)
 {
     struct mwifiex_private *priv_num;
     int i;
 
     for (i = 0; i < priv->adapter->priv_num; i++) {
         priv_num = priv->adapter->priv[i];
         if (priv_num) {
             if ((GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_UAP &&
                  priv_num->bss_started) ||
                 (GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_STA &&
                  priv_num->media_connected))
                 return 1;
         }
     }
 
     return 0;
 }
 
 static inline u8 mwifiex_is_tdls_link_setup(u8 status)
 {
     switch (status) {
     case TDLS_SETUP_COMPLETE:
     case TDLS_CHAN_SWITCHING:
     case TDLS_IN_BASE_CHAN:
     case TDLS_IN_OFF_CHAN:
         return true;
     default:
         break;
     }
 
     return false;
 }
 
 /* Disable platform specific wakeup interrupt */
 static inline void mwifiex_disable_wake(struct mwifiex_adapter *adapter)
 {
     if (adapter->irq_wakeup >= 0) {
         disable_irq_wake(adapter->irq_wakeup);
         disable_irq(adapter->irq_wakeup);
         if (adapter->wake_by_wifi)
             /* Undo our disable, since interrupt handler already
              * did this.
              */
             enable_irq(adapter->irq_wakeup);
 
     }
 }
 
 /* Enable platform specific wakeup interrupt */
 static inline void mwifiex_enable_wake(struct mwifiex_adapter *adapter)
 {
     /* Enable platform specific wakeup interrupt */
     if (adapter->irq_wakeup >= 0) {
         adapter->wake_by_wifi = false;
         enable_irq(adapter->irq_wakeup);
         enable_irq_wake(adapter->irq_wakeup);
     }
 }
 
 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
                  u32 func_init_shutdown);
 
 int mwifiex_add_card(void *card, struct completion *fw_done,
              struct mwifiex_if_ops *if_ops, u8 iface_type,
              struct device *dev);
 int mwifiex_remove_card(struct mwifiex_adapter *adapter);
 
 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,
                 struct cmd_ctrl_node *cmd_queued);
 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_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate);
 int mwifiex_request_scan(struct mwifiex_private *priv,
              struct cfg80211_ssid *req_ssid);
 int mwifiex_scan_networks(struct mwifiex_private *priv,
               const struct mwifiex_user_scan_cfg *user_scan_in);
 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 
 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
                const u8 *key, int key_len, u8 key_index,
                const u8 *mac_addr, int disable);
 
 int mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len);
 
 int mwifiex_get_ver_ext(struct mwifiex_private *priv, u32 version_str_sel);
 
 int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
                    struct ieee80211_channel *chan,
                    unsigned int duration);
 
 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_queue_tx_pkt(struct mwifiex_private *priv, struct sk_buff *skb);
 
 int mwifiex_get_bss_info(struct mwifiex_private *,
              struct mwifiex_bss_info *);
 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
                   struct cfg80211_bss *bss,
                   struct mwifiex_bssdescriptor *bss_desc);
 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
                     struct mwifiex_bssdescriptor *bss_entry);
 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
                     struct mwifiex_bssdescriptor *bss_desc);
 
 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type);
 u8 mwifiex_get_chan_type(struct mwifiex_private *priv);
 
 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
                           const char *name,
                           unsigned char name_assign_type,
                           enum nl80211_iftype type,
                           struct vif_params *params);
 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
 
 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
 
 int mwifiex_add_wowlan_magic_pkt_filter(struct mwifiex_adapter *adapter);
 
 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
              struct cfg80211_beacon_data *data);
 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
 u8 *mwifiex_11d_code_2_region(u8 code);
 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
                  struct mwifiex_uap_bss_param *bss_cfg,
                  struct cfg80211_chan_def chandef);
 int mwifiex_config_start_uap(struct mwifiex_private *priv,
                  struct mwifiex_uap_bss_param *bss_cfg);
 void mwifiex_uap_del_sta_data(struct mwifiex_private *priv,
                   struct mwifiex_sta_node *node);
 
 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
                 struct cfg80211_beacon_data *beacon_data);
 
 void mwifiex_init_11h_params(struct mwifiex_private *priv);
 int mwifiex_is_11h_active(struct mwifiex_private *priv);
 int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag);
 
 void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer,
                   struct mwifiex_bssdescriptor *bss_desc);
 int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv);
 int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
                 struct device_node *node, const char *prefix);
 void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv);
 
 extern const struct ethtool_ops mwifiex_ethtool_ops;
 
 void mwifiex_del_all_sta_list(struct mwifiex_private *priv);
 void mwifiex_del_sta_entry(struct mwifiex_private *priv, const u8 *mac);
 void
 mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
                int ies_len, struct mwifiex_sta_node *node);
 struct mwifiex_sta_node *
 mwifiex_add_sta_entry(struct mwifiex_private *priv, const u8 *mac);
 struct mwifiex_sta_node *
 mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac);
 u8 mwifiex_is_tdls_chan_switching(struct mwifiex_private *priv);
 u8 mwifiex_is_tdls_off_chan(struct mwifiex_private *priv);
 u8 mwifiex_is_send_cmd_allowed(struct mwifiex_private *priv);
 int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
                  u8 action_code, u8 dialog_token,
                  u16 status_code, const u8 *extra_ies,
                  size_t extra_ies_len);
 int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
                    u8 action_code, u8 dialog_token,
                    u16 status_code, const u8 *extra_ies,
                    size_t extra_ies_len);
 void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
                        u8 *buf, int len);
 int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action);
 int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac);
 int mwifiex_get_tdls_list(struct mwifiex_private *priv,
               struct tdls_peer_info *buf);
 void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv);
 bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
 u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
                  u32 pri_chan, u8 chan_bw);
 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter);
 
 int mwifiex_tdls_check_tx(struct mwifiex_private *priv, struct sk_buff *skb);
 void mwifiex_flush_auto_tdls_list(struct mwifiex_private *priv);
 void mwifiex_auto_tdls_update_peer_status(struct mwifiex_private *priv,
                       const u8 *mac, u8 link_status);
 void mwifiex_auto_tdls_update_peer_signal(struct mwifiex_private *priv,
                       u8 *mac, s8 snr, s8 nflr);
 void mwifiex_check_auto_tdls(struct timer_list *t);
 void mwifiex_add_auto_tdls_peer(struct mwifiex_private *priv, const u8 *mac);
 void mwifiex_setup_auto_tdls_timer(struct mwifiex_private *priv);
 void mwifiex_clean_auto_tdls(struct mwifiex_private *priv);
 int mwifiex_config_tdls_enable(struct mwifiex_private *priv);
 int mwifiex_config_tdls_disable(struct mwifiex_private *priv);
 int mwifiex_config_tdls_cs_params(struct mwifiex_private *priv);
 int mwifiex_stop_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac);
 int mwifiex_start_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac,
               u8 primary_chan, u8 second_chan_offset, u8 band);
 
 int mwifiex_cmd_issue_chan_report_request(struct mwifiex_private *priv,
                       struct host_cmd_ds_command *cmd,
                       void *data_buf);
 int mwifiex_11h_handle_chanrpt_ready(struct mwifiex_private *priv,
                      struct sk_buff *skb);
 
 void mwifiex_parse_tx_status_event(struct mwifiex_private *priv,
                    void *event_body);
 
 struct sk_buff *
 mwifiex_clone_skb_for_tx_status(struct mwifiex_private *priv,
                 struct sk_buff *skb, u8 flag, u64 *cookie);
 void mwifiex_dfs_cac_work_queue(struct work_struct *work);
 void mwifiex_dfs_chan_sw_work_queue(struct work_struct *work);
 void mwifiex_abort_cac(struct mwifiex_private *priv);
 int mwifiex_stop_radar_detection(struct mwifiex_private *priv,
                  struct cfg80211_chan_def *chandef);
 int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv,
                       struct sk_buff *skb);
 
 void mwifiex_hist_data_set(struct mwifiex_private *priv, u8 rx_rate, s8 snr,
                s8 nflr);
 void mwifiex_hist_data_reset(struct mwifiex_private *priv);
 void mwifiex_hist_data_add(struct mwifiex_private *priv,
                u8 rx_rate, s8 snr, s8 nflr);
 u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv,
                 u8 rx_rate, u8 ht_info);
 
 void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter);
 void mwifiex_prepare_fw_dump_info(struct mwifiex_adapter *adapter);
 void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter);
 void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags);
 void mwifiex_fw_dump_event(struct mwifiex_private *priv);
 void mwifiex_queue_main_work(struct mwifiex_adapter *adapter);
 int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
                   int cmd_type,
                   struct mwifiex_ds_wakeup_reason *wakeup_reason);
 int mwifiex_get_chan_info(struct mwifiex_private *priv,
               struct mwifiex_channel_band *channel_band);
 int mwifiex_ret_wakeup_reason(struct mwifiex_private *priv,
                   struct host_cmd_ds_command *resp,
                   struct host_cmd_ds_wakeup_reason *wakeup_reason);
 void mwifiex_coex_ampdu_rxwinsize(struct mwifiex_adapter *adapter);
 void mwifiex_11n_delba(struct mwifiex_private *priv, int tid);
 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy);
 void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
                     struct sk_buff *event);
 void mwifiex_process_multi_chan_event(struct mwifiex_private *priv,
                       struct sk_buff *event_skb);
 void mwifiex_multi_chan_resync(struct mwifiex_adapter *adapter);
 int mwifiex_set_mac_address(struct mwifiex_private *priv,
                 struct net_device *dev,
                 bool external, u8 *new_mac);
 void mwifiex_devdump_tmo_func(unsigned long function_context);
 
 #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
 int mwifiex_reinit_sw(struct mwifiex_adapter *adapter);
 int mwifiex_shutdown_sw(struct mwifiex_adapter *adapter);
 #endif /* !_MWIFIEX_MAIN_H_ */

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