drivers/net/wireless/mwifiex/main.h

   1 /*
   2  * Marvell Wireless LAN device driver: major data structures and prototypes
   3  *
   4  * Copyright (C) 2011-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_MAIN_H_
  21 #define _MWIFIEX_MAIN_H_
  22
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/sched.h>
  26 #include <linux/semaphore.h>
  27 #include <linux/ip.h>
  28 #include <linux/skbuff.h>
  29 #include <linux/if_arp.h>
  30 #include <linux/etherdevice.h>
  31 #include <net/sock.h>
  32 #include <net/lib80211.h>
  33 #include <linux/vmalloc.h>
  34 #include <linux/firmware.h>
  35 #include <linux/ctype.h>
  36 #include <linux/of.h>
  37 #include <linux/idr.h>
  38
  39 #include "decl.h"
  40 #include "ioctl.h"
  41 #include "util.h"
  42 #include "fw.h"
  43 #include "pcie.h"
  44 #include "usb.h"
  45 #include "sdio.h"
  46
  47 extern const char driver_version[];
  48
  49 enum {
  50         MWIFIEX_ASYNC_CMD,
  51         MWIFIEX_SYNC_CMD
  52 };
  53
  54 #define MWIFIEX_DRIVER_MODE_STA                 BIT(0)
  55 #define MWIFIEX_DRIVER_MODE_UAP                 BIT(1)
  56 #define MWIFIEX_DRIVER_MODE_P2P                 BIT(2)
  57 #define MWIFIEX_DRIVER_MODE_BITMASK             (BIT(0) | BIT(1) | BIT(2))
  58
  59 #define MWIFIEX_MAX_AP                          64
  60
  61 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT        (5 * HZ)
  62
  63 #define MWIFIEX_TIMER_10S                       10000
  64 #define MWIFIEX_TIMER_1S                        1000
  65
  66 #define MAX_TX_PENDING      100
  67 #define LOW_TX_PENDING      80
  68
  69 #define HIGH_RX_PENDING     50
  70 #define LOW_RX_PENDING      20
  71
  72 #define MWIFIEX_UPLD_SIZE               (2312)
  73
  74 #define MAX_EVENT_SIZE                  2048
  75
  76 #define ARP_FILTER_MAX_BUF_SIZE         68
  77
  78 #define MWIFIEX_KEY_BUFFER_SIZE                 16
  79 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  80 #define MWIFIEX_MAX_REGION_CODE         7
  81
  82 #define DEFAULT_BCN_AVG_FACTOR          8
  83 #define DEFAULT_DATA_AVG_FACTOR         8
  84
  85 #define FIRST_VALID_CHANNEL                             0xff
  86 #define DEFAULT_AD_HOC_CHANNEL                  6
  87 #define DEFAULT_AD_HOC_CHANNEL_A                36
  88
  89 #define DEFAULT_BCN_MISS_TIMEOUT                5
  90
  91 #define MAX_SCAN_BEACON_BUFFER                  8000
  92
  93 #define SCAN_BEACON_ENTRY_PAD                   6
  94
  95 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME  110
  96 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   30
  97 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30
  98 #define MWIFIEX_DEF_SCAN_CHAN_GAP_TIME  50
  99
 100 #define SCAN_RSSI(RSSI)                                 (0x100 - ((u8)(RSSI)))
 101
 102 #define MWIFIEX_MAX_TOTAL_SCAN_TIME     (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
 103
 104 #define RSN_GTK_OUI_OFFSET                              2
 105
 106 #define MWIFIEX_OUI_NOT_PRESENT                 0
 107 #define MWIFIEX_OUI_PRESENT                             1
 108
 109 #define PKT_TYPE_MGMT   0xE5
 110
 111 /*
 112  * Do not check for data_received for USB, as data_received
 113  * is handled in mwifiex_usb_recv for USB
 114  */
 115 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 116                                 adapter->event_received || \
 117                                 adapter->data_received)
 118
 119 #define MWIFIEX_TYPE_CMD                                1
 120 #define MWIFIEX_TYPE_DATA                               0
 121 #define MWIFIEX_TYPE_EVENT                              3
 122
 123 #define MAX_BITMAP_RATES_SIZE                   18
 124
 125 #define MAX_CHANNEL_BAND_BG     14
 126 #define MAX_CHANNEL_BAND_A      165
 127
 128 #define MAX_FREQUENCY_BAND_BG   2484
 129
 130 #define MWIFIEX_EVENT_HEADER_LEN           4
 131 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER     2
 132
 133 #define MWIFIEX_TYPE_LEN                        4
 134 #define MWIFIEX_USB_TYPE_CMD                    0xF00DFACE
 135 #define MWIFIEX_USB_TYPE_DATA                   0xBEADC0DE
 136 #define MWIFIEX_USB_TYPE_EVENT                  0xBEEFFACE
 137
 138 /* Threshold for tx_timeout_cnt before we trigger a card reset */
 139 #define TX_TIMEOUT_THRESHOLD    6
 140
 141 #define MWIFIEX_DRV_INFO_SIZE_MAX 0x40000
 142
 143 struct mwifiex_dbg {
 144         u32 num_cmd_host_to_card_failure;
 145         u32 num_cmd_sleep_cfm_host_to_card_failure;
 146         u32 num_tx_host_to_card_failure;
 147         u32 num_event_deauth;
 148         u32 num_event_disassoc;
 149         u32 num_event_link_lost;
 150         u32 num_cmd_deauth;
 151         u32 num_cmd_assoc_success;
 152         u32 num_cmd_assoc_failure;
 153         u32 num_tx_timeout;
 154         u16 timeout_cmd_id;
 155         u16 timeout_cmd_act;
 156         u16 last_cmd_id[DBG_CMD_NUM];
 157         u16 last_cmd_act[DBG_CMD_NUM];
 158         u16 last_cmd_index;
 159         u16 last_cmd_resp_id[DBG_CMD_NUM];
 160         u16 last_cmd_resp_index;
 161         u16 last_event[DBG_CMD_NUM];
 162         u16 last_event_index;
 163 };
 164
 165 enum MWIFIEX_HARDWARE_STATUS {
 166         MWIFIEX_HW_STATUS_READY,
 167         MWIFIEX_HW_STATUS_INITIALIZING,
 168         MWIFIEX_HW_STATUS_INIT_DONE,
 169         MWIFIEX_HW_STATUS_RESET,
 170         MWIFIEX_HW_STATUS_CLOSING,
 171         MWIFIEX_HW_STATUS_NOT_READY
 172 };
 173
 174 enum MWIFIEX_802_11_POWER_MODE {
 175         MWIFIEX_802_11_POWER_MODE_CAM,
 176         MWIFIEX_802_11_POWER_MODE_PSP
 177 };
 178
 179 struct mwifiex_tx_param {
 180         u32 next_pkt_len;
 181 };
 182
 183 enum MWIFIEX_PS_STATE {
 184         PS_STATE_AWAKE,
 185         PS_STATE_PRE_SLEEP,
 186         PS_STATE_SLEEP_CFM,
 187         PS_STATE_SLEEP
 188 };
 189
 190 enum mwifiex_iface_type {
 191         MWIFIEX_SDIO,
 192         MWIFIEX_PCIE,
 193         MWIFIEX_USB
 194 };
 195
 196 struct mwifiex_add_ba_param {
 197         u32 tx_win_size;
 198         u32 rx_win_size;
 199         u32 timeout;
 200         u8 tx_amsdu;
 201         u8 rx_amsdu;
 202 };
 203
 204 struct mwifiex_tx_aggr {
 205         u8 ampdu_user;
 206         u8 ampdu_ap;
 207         u8 amsdu;
 208 };
 209
 210 struct mwifiex_ra_list_tbl {
 211         struct list_head list;
 212         struct sk_buff_head skb_head;
 213         u8 ra[ETH_ALEN];
 214         u32 is_11n_enabled;
 215         u16 max_amsdu;
 216         u16 ba_pkt_count;
 217         u8 ba_packet_thr;
 218         u16 total_pkt_count;
 219         bool tdls_link;
 220 };
 221
 222 struct mwifiex_tid_tbl {
 223         struct list_head ra_list;
 224 };
 225
 226 #define WMM_HIGHEST_PRIORITY            7
 227 #define HIGH_PRIO_TID                           7
 228 #define LOW_PRIO_TID                            0
 229
 230 struct mwifiex_wmm_desc {
 231         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 232         u32 packets_out[MAX_NUM_TID];
 233         /* spin lock to protect ra_list */
 234         spinlock_t ra_list_spinlock;
 235         struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
 236         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
 237         u32 drv_pkt_delay_max;
 238         u8 queue_priority[IEEE80211_NUM_ACS];
 239         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 240         /* Number of transmit packets queued */
 241         atomic_t tx_pkts_queued;
 242         /* Tracks highest priority with a packet queued */
 243         atomic_t highest_queued_prio;
 244 };
 245
 246 struct mwifiex_802_11_security {
 247         u8 wpa_enabled;
 248         u8 wpa2_enabled;
 249         u8 wapi_enabled;
 250         u8 wapi_key_on;
 251         u8 wep_enabled;
 252         u32 authentication_mode;
 253         u8 is_authtype_auto;
 254         u32 encryption_mode;
 255 };
 256
 257 struct ieee_types_header {
 258         u8 element_id;
 259         u8 len;
 260 } __packed;
 261
 262 struct ieee_types_vendor_specific {
 263         struct ieee_types_vendor_header vend_hdr;
 264         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 265 } __packed;
 266
 267 struct ieee_types_generic {
 268         struct ieee_types_header ieee_hdr;
 269         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 270 } __packed;
 271
 272 struct ieee_types_bss_co_2040 {
 273         struct ieee_types_header ieee_hdr;
 274         u8 bss_2040co;
 275 } __packed;
 276
 277 struct ieee_types_extcap {
 278         struct ieee_types_header ieee_hdr;
 279         u8 ext_capab[8];
 280 } __packed;
 281
 282 struct ieee_types_vht_cap {
 283         struct ieee_types_header ieee_hdr;
 284         struct ieee80211_vht_cap vhtcap;
 285 } __packed;
 286
 287 struct ieee_types_vht_oper {
 288         struct ieee_types_header ieee_hdr;
 289         struct ieee80211_vht_operation vhtoper;
 290 } __packed;
 291
 292 struct ieee_types_aid {
 293         struct ieee_types_header ieee_hdr;
 294         u16 aid;
 295 } __packed;
 296
 297 struct mwifiex_bssdescriptor {
 298         u8 mac_address[ETH_ALEN];
 299         struct cfg80211_ssid ssid;
 300         u32 privacy;
 301         s32 rssi;
 302         u32 channel;
 303         u32 freq;
 304         u16 beacon_period;
 305         u8 erp_flags;
 306         u32 bss_mode;
 307         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 308         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 309         /* Network band.
 310          * BAND_B(0x01): 'b' band
 311          * BAND_G(0x02): 'g' band
 312          * BAND_A(0X04): 'a' band
 313          */
 314         u16 bss_band;
 315         u64 fw_tsf;
 316         u64 timestamp;
 317         union ieee_types_phy_param_set phy_param_set;
 318         union ieee_types_ss_param_set ss_param_set;
 319         u16 cap_info_bitmap;
 320         struct ieee_types_wmm_parameter wmm_ie;
 321         u8  disable_11n;
 322         struct ieee80211_ht_cap *bcn_ht_cap;
 323         u16 ht_cap_offset;
 324         struct ieee80211_ht_operation *bcn_ht_oper;
 325         u16 ht_info_offset;
 326         u8 *bcn_bss_co_2040;
 327         u16 bss_co_2040_offset;
 328         u8 *bcn_ext_cap;
 329         u16 ext_cap_offset;
 330         struct ieee80211_vht_cap *bcn_vht_cap;
 331         u16 vht_cap_offset;
 332         struct ieee80211_vht_operation *bcn_vht_oper;
 333         u16 vht_info_offset;
 334         struct ieee_types_oper_mode_ntf *oper_mode;
 335         u16 oper_mode_offset;
 336         u8 disable_11ac;
 337         struct ieee_types_vendor_specific *bcn_wpa_ie;
 338         u16 wpa_offset;
 339         struct ieee_types_generic *bcn_rsn_ie;
 340         u16 rsn_offset;
 341         struct ieee_types_generic *bcn_wapi_ie;
 342         u16 wapi_offset;
 343         u8 *beacon_buf;
 344         u32 beacon_buf_size;
 345         u8 sensed_11h;
 346         u8 local_constraint;
 347         u8 chan_sw_ie_present;
 348 };
 349
 350 struct mwifiex_current_bss_params {
 351         struct mwifiex_bssdescriptor bss_descriptor;
 352         u8 wmm_enabled;
 353         u8 wmm_uapsd_enabled;
 354         u8 band;
 355         u32 num_of_rates;
 356         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 357 };
 358
 359 struct mwifiex_sleep_params {
 360         u16 sp_error;
 361         u16 sp_offset;
 362         u16 sp_stable_time;
 363         u8 sp_cal_control;
 364         u8 sp_ext_sleep_clk;
 365         u16 sp_reserved;
 366 };
 367
 368 struct mwifiex_sleep_period {
 369         u16 period;
 370         u16 reserved;
 371 };
 372
 373 struct mwifiex_wep_key {
 374         u32 length;
 375         u32 key_index;
 376         u32 key_length;
 377         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 378 };
 379
 380 #define MAX_REGION_CHANNEL_NUM  2
 381
 382 struct mwifiex_chan_freq_power {
 383         u16 channel;
 384         u32 freq;
 385         u16 max_tx_power;
 386         u8 unsupported;
 387 };
 388
 389 enum state_11d_t {
 390         DISABLE_11D = 0,
 391         ENABLE_11D = 1,
 392 };
 393
 394 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 395
 396 struct mwifiex_802_11d_domain_reg {
 397         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 398         u8 no_of_triplet;
 399         struct ieee80211_country_ie_triplet
 400                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 401 };
 402
 403 struct mwifiex_vendor_spec_cfg_ie {
 404         u16 mask;
 405         u16 flag;
 406         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 407 };
 408
 409 struct wps {
 410         u8 session_enable;
 411 };
 412
 413 struct mwifiex_roc_cfg {
 414         u64 cookie;
 415         struct ieee80211_channel chan;
 416 };
 417
 418 #define MWIFIEX_FW_DUMP_IDX             0xff
 419 #define MWIFIEX_DRV_INFO_IDX            20
 420 #define FW_DUMP_MAX_NAME_LEN            8
 421 #define FW_DUMP_HOST_READY              0xEE
 422 #define FW_DUMP_DONE                    0xFF
 423 #define FW_DUMP_READ_DONE               0xFE
 424
 425 struct memory_type_mapping {
 426         u8 mem_name[FW_DUMP_MAX_NAME_LEN];
 427         u8 *mem_ptr;
 428         u32 mem_size;
 429         u8 done_flag;
 430 };
 431
 432 enum rdwr_status {
 433         RDWR_STATUS_SUCCESS = 0,
 434         RDWR_STATUS_FAILURE = 1,
 435         RDWR_STATUS_DONE = 2
 436 };
 437
 438 enum mwifiex_iface_work_flags {
 439         MWIFIEX_IFACE_WORK_FW_DUMP,
 440         MWIFIEX_IFACE_WORK_CARD_RESET,
 441 };
 442
 443 struct mwifiex_adapter;
 444 struct mwifiex_private;
 445
 446 struct mwifiex_private {
 447         struct mwifiex_adapter *adapter;
 448         u8 bss_type;
 449         u8 bss_role;
 450         u8 bss_priority;
 451         u8 bss_num;
 452         u8 bss_started;
 453         u8 frame_type;
 454         u8 curr_addr[ETH_ALEN];
 455         u8 media_connected;
 456         u32 num_tx_timeout;
 457         /* track consecutive timeout */
 458         u8 tx_timeout_cnt;
 459         struct net_device *netdev;
 460         struct net_device_stats stats;
 461         u16 curr_pkt_filter;
 462         u32 bss_mode;
 463         u32 pkt_tx_ctrl;
 464         u16 tx_power_level;
 465         u8 max_tx_power_level;
 466         u8 min_tx_power_level;
 467         u8 tx_rate;
 468         u8 tx_htinfo;
 469         u8 rxpd_htinfo;
 470         u8 rxpd_rate;
 471         u16 rate_bitmap;
 472         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 473         u32 data_rate;
 474         u8 is_data_rate_auto;
 475         u16 bcn_avg_factor;
 476         u16 data_avg_factor;
 477         s16 data_rssi_last;
 478         s16 data_nf_last;
 479         s16 data_rssi_avg;
 480         s16 data_nf_avg;
 481         s16 bcn_rssi_last;
 482         s16 bcn_nf_last;
 483         s16 bcn_rssi_avg;
 484         s16 bcn_nf_avg;
 485         struct mwifiex_bssdescriptor *attempted_bss_desc;
 486         struct cfg80211_ssid prev_ssid;
 487         u8 prev_bssid[ETH_ALEN];
 488         struct mwifiex_current_bss_params curr_bss_params;
 489         u16 beacon_period;
 490         u8 dtim_period;
 491         u16 listen_interval;
 492         u16 atim_window;
 493         u8 adhoc_channel;
 494         u8 adhoc_is_link_sensed;
 495         u8 adhoc_state;
 496         struct mwifiex_802_11_security sec_info;
 497         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 498         u16 wep_key_curr_index;
 499         u8 wpa_ie[256];
 500         u8 wpa_ie_len;
 501         u8 wpa_is_gtk_set;
 502         struct host_cmd_ds_802_11_key_material aes_key;
 503         struct host_cmd_ds_802_11_key_material_v2 aes_key_v2;
 504         u8 wapi_ie[256];
 505         u8 wapi_ie_len;
 506         u8 *wps_ie;
 507         u8 wps_ie_len;
 508         u8 wmm_required;
 509         u8 wmm_enabled;
 510         u8 wmm_qosinfo;
 511         struct mwifiex_wmm_desc wmm;
 512         atomic_t wmm_tx_pending[IEEE80211_NUM_ACS];
 513         struct list_head sta_list;
 514         /* spin lock for associated station/TDLS peers list */
 515         spinlock_t sta_list_spinlock;
 516         struct list_head auto_tdls_list;
 517         /* spin lock for auto TDLS peer list */
 518         spinlock_t auto_tdls_lock;
 519         struct list_head tx_ba_stream_tbl_ptr;
 520         /* spin lock for tx_ba_stream_tbl_ptr queue */
 521         spinlock_t tx_ba_stream_tbl_lock;
 522         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 523         struct mwifiex_add_ba_param add_ba_param;
 524         u16 rx_seq[MAX_NUM_TID];
 525         u8 tos_to_tid_inv[MAX_NUM_TID];
 526         struct list_head rx_reorder_tbl_ptr;
 527         /* spin lock for rx_reorder_tbl_ptr queue */
 528         spinlock_t rx_reorder_tbl_lock;
 529         /* spin lock for Rx packets */
 530         spinlock_t rx_pkt_lock;
 531
 532 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 533         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 534         u32 assoc_rsp_size;
 535
 536 #define MWIFIEX_GENIE_BUF_SIZE      256
 537         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 538         u8 gen_ie_buf_len;
 539
 540         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 541
 542 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 543         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 544         u8 assoc_tlv_buf_len;
 545
 546         u8 *curr_bcn_buf;
 547         u32 curr_bcn_size;
 548         /* spin lock for beacon buffer */
 549         spinlock_t curr_bcn_buf_lock;
 550         struct wireless_dev wdev;
 551         struct mwifiex_chan_freq_power cfp;
 552         char version_str[128];
 553 #ifdef CONFIG_DEBUG_FS
 554         struct dentry *dfs_dev_dir;
 555 #endif
 556         u16 current_key_index;
 557         struct semaphore async_sem;
 558         struct cfg80211_scan_request *scan_request;
 559         u8 cfg_bssid[6];
 560         struct wps wps;
 561         u8 scan_block;
 562         s32 cqm_rssi_thold;
 563         u32 cqm_rssi_hyst;
 564         u8 subsc_evt_rssi_state;
 565         struct mwifiex_ds_misc_subsc_evt async_subsc_evt_storage;
 566         struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
 567         u16 beacon_idx;
 568         u16 proberesp_idx;
 569         u16 assocresp_idx;
 570         u16 gen_idx;
 571         u8 ap_11n_enabled;
 572         u8 ap_11ac_enabled;
 573         u32 mgmt_frame_mask;
 574         struct mwifiex_roc_cfg roc_cfg;
 575         bool scan_aborting;
 576         u8 csa_chan;
 577         unsigned long csa_expire_time;
 578         u8 del_list_idx;
 579         bool hs2_enabled;
 580         struct mwifiex_uap_bss_param bss_cfg;
 581         struct station_parameters *sta_params;
 582         struct sk_buff_head tdls_txq;
 583         u8 check_tdls_tx;
 584         struct timer_list auto_tdls_timer;
 585         bool auto_tdls_timer_active;
 586         struct idr ack_status_frames;
 587         /* spin lock for ack status */
 588         spinlock_t ack_status_lock;
 589         /** rx histogram data */
 590         struct mwifiex_histogram_data *hist_data;
 591         struct cfg80211_chan_def dfs_chandef;
 592         struct workqueue_struct *dfs_cac_workqueue;
 593         struct delayed_work dfs_cac_work;
 594         struct timer_list dfs_chan_switch_timer;
 595         struct workqueue_struct *dfs_chan_sw_workqueue;
 596         struct delayed_work dfs_chan_sw_work;
 597         struct cfg80211_beacon_data beacon_after;
 598         struct mwifiex_11h_intf_state state_11h;
 599 };
 600
 601 enum mwifiex_ba_status {
 602         BA_SETUP_NONE = 0,
 603         BA_SETUP_INPROGRESS,
 604         BA_SETUP_COMPLETE
 605 };
 606
 607 struct mwifiex_tx_ba_stream_tbl {
 608         struct list_head list;
 609         int tid;
 610         u8 ra[ETH_ALEN];
 611         enum mwifiex_ba_status ba_status;
 612         u8 amsdu;
 613 };
 614
 615 struct mwifiex_rx_reorder_tbl;
 616
 617 struct reorder_tmr_cnxt {
 618         struct timer_list timer;
 619         struct mwifiex_rx_reorder_tbl *ptr;
 620         struct mwifiex_private *priv;
 621         u8 timer_is_set;
 622 };
 623
 624 struct mwifiex_rx_reorder_tbl {
 625         struct list_head list;
 626         int tid;
 627         u8 ta[ETH_ALEN];
 628         int init_win;
 629         int start_win;
 630         int win_size;
 631         void **rx_reorder_ptr;
 632         struct reorder_tmr_cnxt timer_context;
 633         u8 amsdu;
 634         u8 flags;
 635 };
 636
 637 struct mwifiex_bss_prio_node {
 638         struct list_head list;
 639         struct mwifiex_private *priv;
 640 };
 641
 642 struct mwifiex_bss_prio_tbl {
 643         struct list_head bss_prio_head;
 644         /* spin lock for bss priority  */
 645         spinlock_t bss_prio_lock;
 646         struct mwifiex_bss_prio_node *bss_prio_cur;
 647 };
 648
 649 struct cmd_ctrl_node {
 650         struct list_head list;
 651         struct mwifiex_private *priv;
 652         u32 cmd_oid;
 653         u32 cmd_flag;
 654         struct sk_buff *cmd_skb;
 655         struct sk_buff *resp_skb;
 656         void *data_buf;
 657         u32 wait_q_enabled;
 658         struct sk_buff *skb;
 659         u8 *condition;
 660         u8 cmd_wait_q_woken;
 661 };
 662
 663 struct mwifiex_bss_priv {
 664         u8 band;
 665         u64 fw_tsf;
 666 };
 667
 668 struct mwifiex_tdls_capab {
 669         __le16 capab;
 670         u8 rates[32];
 671         u8 rates_len;
 672         u8 qos_info;
 673         u8 coex_2040;
 674         u16 aid;
 675         struct ieee80211_ht_cap ht_capb;
 676         struct ieee80211_ht_operation ht_oper;
 677         struct ieee_types_extcap extcap;
 678         struct ieee_types_generic rsn_ie;
 679         struct ieee80211_vht_cap vhtcap;
 680         struct ieee80211_vht_operation vhtoper;
 681 };
 682
 683 /* This is AP/TDLS specific structure which stores information
 684  * about associated/peer STA
 685  */
 686 struct mwifiex_sta_node {
 687         struct list_head list;
 688         u8 mac_addr[ETH_ALEN];
 689         u8 is_wmm_enabled;
 690         u8 is_11n_enabled;
 691         u8 is_11ac_enabled;
 692         u8 ampdu_sta[MAX_NUM_TID];
 693         u16 rx_seq[MAX_NUM_TID];
 694         u16 max_amsdu;
 695         u8 tdls_status;
 696         struct mwifiex_tdls_capab tdls_cap;
 697 };
 698
 699 struct mwifiex_auto_tdls_peer {
 700         struct list_head list;
 701         u8 mac_addr[ETH_ALEN];
 702         u8 tdls_status;
 703         int rssi;
 704         long rssi_jiffies;
 705         u8 failure_count;
 706         u8 do_discover;
 707         u8 do_setup;
 708 };
 709
 710 struct mwifiex_if_ops {
 711         int (*init_if) (struct mwifiex_adapter *);
 712         void (*cleanup_if) (struct mwifiex_adapter *);
 713         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 714         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 715         int (*register_dev) (struct mwifiex_adapter *);
 716         void (*unregister_dev) (struct mwifiex_adapter *);
 717         int (*enable_int) (struct mwifiex_adapter *);
 718         void (*disable_int) (struct mwifiex_adapter *);
 719         int (*process_int_status) (struct mwifiex_adapter *);
 720         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 721                              struct mwifiex_tx_param *);
 722         int (*wakeup) (struct mwifiex_adapter *);
 723         int (*wakeup_complete) (struct mwifiex_adapter *);
 724
 725         /* Interface specific functions */
 726         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 727         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 728         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 729         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 730         int (*init_fw_port) (struct mwifiex_adapter *);
 731         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 732         void (*card_reset) (struct mwifiex_adapter *);
 733         void (*fw_dump)(struct mwifiex_adapter *);
 734         int (*reg_dump)(struct mwifiex_adapter *, char *);
 735         int (*clean_pcie_ring) (struct mwifiex_adapter *adapter);
 736         void (*iface_work)(struct work_struct *work);
 737         void (*submit_rem_rx_urbs)(struct mwifiex_adapter *adapter);
 738 };
 739
 740 struct mwifiex_adapter {
 741         u8 iface_type;
 742         struct mwifiex_iface_comb iface_limit;
 743         struct mwifiex_iface_comb curr_iface_comb;
 744         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 745         u8 priv_num;
 746         const struct firmware *firmware;
 747         char fw_name[32];
 748         int winner;
 749         struct device *dev;
 750         struct wiphy *wiphy;
 751         u8 perm_addr[ETH_ALEN];
 752         bool surprise_removed;
 753         u32 fw_release_number;
 754         u16 init_wait_q_woken;
 755         wait_queue_head_t init_wait_q;
 756         void *card;
 757         struct mwifiex_if_ops if_ops;
 758         atomic_t rx_pending;
 759         atomic_t tx_pending;
 760         atomic_t cmd_pending;
 761         struct workqueue_struct *workqueue;
 762         struct work_struct main_work;
 763         struct workqueue_struct *rx_workqueue;
 764         struct work_struct rx_work;
 765         struct workqueue_struct *dfs_workqueue;
 766         struct work_struct dfs_work;
 767         bool rx_work_enabled;
 768         bool rx_processing;
 769         bool delay_main_work;
 770         bool rx_locked;
 771         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 772         /* spin lock for init/shutdown */
 773         spinlock_t mwifiex_lock;
 774         /* spin lock for main process */
 775         spinlock_t main_proc_lock;
 776         u32 mwifiex_processing;
 777         u16 tx_buf_size;
 778         u16 curr_tx_buf_size;
 779         u32 ioport;
 780         enum MWIFIEX_HARDWARE_STATUS hw_status;
 781         u16 number_of_antenna;
 782         u32 fw_cap_info;
 783         /* spin lock for interrupt handling */
 784         spinlock_t int_lock;
 785         u8 int_status;
 786         u32 event_cause;
 787         struct sk_buff *event_skb;
 788         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 789         u8 data_sent;
 790         u8 cmd_sent;
 791         u8 cmd_resp_received;
 792         u8 event_received;
 793         u8 data_received;
 794         u16 seq_num;
 795         struct cmd_ctrl_node *cmd_pool;
 796         struct cmd_ctrl_node *curr_cmd;
 797         /* spin lock for command */
 798         spinlock_t mwifiex_cmd_lock;
 799         u8 is_cmd_timedout;
 800         u16 last_init_cmd;
 801         struct timer_list cmd_timer;
 802         struct list_head cmd_free_q;
 803         /* spin lock for cmd_free_q */
 804         spinlock_t cmd_free_q_lock;
 805         struct list_head cmd_pending_q;
 806         /* spin lock for cmd_pending_q */
 807         spinlock_t cmd_pending_q_lock;
 808         struct list_head scan_pending_q;
 809         /* spin lock for scan_pending_q */
 810         spinlock_t scan_pending_q_lock;
 811         /* spin lock for RX processing routine */
 812         spinlock_t rx_proc_lock;
 813         u32 scan_processing;
 814         u16 region_code;
 815         struct mwifiex_802_11d_domain_reg domain_reg;
 816         u16 scan_probes;
 817         u32 scan_mode;
 818         u16 specific_scan_time;
 819         u16 active_scan_time;
 820         u16 passive_scan_time;
 821         u16 scan_chan_gap_time;
 822         u8 fw_bands;
 823         u8 adhoc_start_band;
 824         u8 config_bands;
 825         struct mwifiex_chan_scan_param_set *scan_channels;
 826         u8 tx_lock_flag;
 827         struct mwifiex_sleep_params sleep_params;
 828         struct mwifiex_sleep_period sleep_period;
 829         u16 ps_mode;
 830         u32 ps_state;
 831         u8 need_to_wakeup;
 832         u16 multiple_dtim;
 833         u16 local_listen_interval;
 834         u16 null_pkt_interval;
 835         struct sk_buff *sleep_cfm;
 836         u16 bcn_miss_time_out;
 837         u16 adhoc_awake_period;
 838         u8 is_deep_sleep;
 839         u8 delay_null_pkt;
 840         u16 delay_to_ps;
 841         u16 enhanced_ps_mode;
 842         u8 pm_wakeup_card_req;
 843         u16 gen_null_pkt;
 844         u16 pps_uapsd_mode;
 845         u32 pm_wakeup_fw_try;
 846         struct timer_list wakeup_timer;
 847         u8 is_hs_configured;
 848         struct mwifiex_hs_config_param hs_cfg;
 849         u8 hs_activated;
 850         u16 hs_activate_wait_q_woken;
 851         wait_queue_head_t hs_activate_wait_q;
 852         bool is_suspended;
 853         bool hs_enabling;
 854         u8 event_body[MAX_EVENT_SIZE];
 855         u32 hw_dot_11n_dev_cap;
 856         u8 hw_dev_mcs_support;
 857         u8 user_dev_mcs_support;
 858         u8 adhoc_11n_enabled;
 859         u8 sec_chan_offset;
 860         struct mwifiex_dbg dbg;
 861         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 862         u32 arp_filter_size;
 863         struct mwifiex_wait_queue cmd_wait_q;
 864         u8 scan_wait_q_woken;
 865         spinlock_t queue_lock;          /* lock for tx queues */
 866         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 867         u16 max_mgmt_ie_index;
 868         const struct firmware *cal_data;
 869         struct device_node *dt_node;
 870
 871         /* 11AC */
 872         u32 is_hw_11ac_capable;
 873         u32 hw_dot_11ac_dev_cap;
 874         u32 hw_dot_11ac_mcs_support;
 875         u32 usr_dot_11ac_dev_cap_bg;
 876         u32 usr_dot_11ac_dev_cap_a;
 877         u32 usr_dot_11ac_mcs_support;
 878
 879         atomic_t pending_bridged_pkts;
 880         struct semaphore *card_sem;
 881         bool ext_scan;
 882         u8 fw_api_ver;
 883         u8 key_api_major_ver, key_api_minor_ver;
 884         struct work_struct iface_work;
 885         unsigned long iface_work_flags;
 886         struct memory_type_mapping *mem_type_mapping_tbl;
 887         u8 num_mem_types;
 888         u8 curr_mem_idx;
 889         void *drv_info_dump;
 890         u32 drv_info_size;
 891         bool scan_chan_gap_enabled;
 892         struct sk_buff_head rx_data_q;
 893         struct mwifiex_chan_stats *chan_stats;
 894         u32 num_in_chan_stats;
 895         int survey_idx;
 896         bool auto_tdls;
 897 };
 898
 899 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 900
 901 void mwifiex_set_trans_start(struct net_device *dev);
 902
 903 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
 904                 struct mwifiex_adapter *adapter);
 905
 906 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
 907                 struct mwifiex_adapter *adapter);
 908
 909 int mwifiex_init_priv(struct mwifiex_private *priv);
 910 void mwifiex_free_priv(struct mwifiex_private *priv);
 911
 912 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 913
 914 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 915
 916 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 917
 918 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 919
 920 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 921
 922 int mwifiex_recv_packet(struct mwifiex_private *priv, struct sk_buff *skb);
 923
 924 int mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
 925                                 struct sk_buff *skb);
 926
 927 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 928
 929 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 930                          struct cmd_ctrl_node *cmd_node);
 931
 932 int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no,
 933                      u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync);
 934
 935 void mwifiex_cmd_timeout_func(unsigned long function_context);
 936
 937 int mwifiex_get_debug_info(struct mwifiex_private *,
 938                            struct mwifiex_debug_info *);
 939
 940 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 941 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 942 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 943 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 944
 945 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 946                                   struct cmd_ctrl_node *cmd_node);
 947 void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter,
 948                               struct cmd_ctrl_node *cmd_node);
 949
 950 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 951                                      struct cmd_ctrl_node *cmd_node,
 952                                      u32 addtail);
 953
 954 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 955 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 956 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 957                              struct sk_buff *skb);
 958 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 959                        struct mwifiex_tx_param *tx_param);
 960 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 961 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 962                                 struct sk_buff *skb, int aggr, int status);
 963 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 964 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 965 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 966 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 967                                         u32);
 968 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 969                                struct host_cmd_ds_command *cmd,
 970                                u16 cmd_action, uint16_t ps_bitmap,
 971                                struct mwifiex_ds_auto_ds *auto_ds);
 972 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 973                                struct host_cmd_ds_command *resp,
 974                                struct mwifiex_ds_pm_cfg *pm_cfg);
 975 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 976 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 977                                         u8 activated);
 978 int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
 979                           int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg);
 980 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 981                               struct host_cmd_ds_command *resp);
 982 int mwifiex_process_rx_packet(struct mwifiex_private *priv,
 983                               struct sk_buff *skb);
 984 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 985                             u16 cmd_action, u32 cmd_oid,
 986                             void *data_buf, void *cmd_buf);
 987 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 988                             u16 cmd_action, u32 cmd_oid,
 989                             void *data_buf, void *cmd_buf);
 990 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 991                                 struct host_cmd_ds_command *resp);
 992 int mwifiex_process_sta_rx_packet(struct mwifiex_private *,
 993                                   struct sk_buff *skb);
 994 int mwifiex_process_uap_rx_packet(struct mwifiex_private *priv,
 995                                   struct sk_buff *skb);
 996 int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
 997                                   struct sk_buff *skb);
 998 int mwifiex_process_sta_event(struct mwifiex_private *);
 999 int mwifiex_process_uap_event(struct mwifiex_private *);
1000 void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
1001 void mwifiex_wmm_del_peer_ra_list(struct mwifiex_private *priv,
1002                                   const u8 *ra_addr);
1003 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
1004 void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);
1005 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta, bool init);
1006 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
1007                             struct mwifiex_scan_cmd_config *scan_cfg);
1008 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
1009                             struct cmd_ctrl_node *cmd_node);
1010 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
1011                             struct host_cmd_ds_command *resp);
1012 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
1013 int mwifiex_associate(struct mwifiex_private *priv,
1014                       struct mwifiex_bssdescriptor *bss_desc);
1015 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
1016                                  struct host_cmd_ds_command *cmd,
1017                                  struct mwifiex_bssdescriptor *bss_desc);
1018 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
1019                                  struct host_cmd_ds_command *resp);
1020 void mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason);
1021 u8 mwifiex_band_to_radio_type(u8 band);
1022 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
1023 void mwifiex_deauthenticate_all(struct mwifiex_adapter *adapter);
1024 int mwifiex_adhoc_start(struct mwifiex_private *priv,
1025                         struct cfg80211_ssid *adhoc_ssid);
1026 int mwifiex_adhoc_join(struct mwifiex_private *priv,
1027                        struct mwifiex_bssdescriptor *bss_desc);
1028 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
1029                                     struct host_cmd_ds_command *cmd,
1030                                     struct cfg80211_ssid *req_ssid);
1031 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
1032                                    struct host_cmd_ds_command *cmd,
1033                                    struct mwifiex_bssdescriptor *bss_desc);
1034 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
1035                               struct host_cmd_ds_command *resp);
1036 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
1037 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
1038                                                 u8 band, u16 channel, u32 freq);
1039 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv,
1040                                u8 index, u8 ht_info);
1041 u32 mwifiex_index_to_acs_data_rate(struct mwifiex_private *priv,
1042                                    u8 index, u8 ht_info);
1043 u32 mwifiex_find_freq_from_band_chan(u8, u8);
1044 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
1045                                 u8 **buffer);
1046 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
1047                                     u8 *rates);
1048 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
1049 u32 mwifiex_get_rates_from_cfg80211(struct mwifiex_private *priv,
1050                                     u8 *rates, u8 radio_type);
1051 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
1052 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
1053 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
1054 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
1055 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
1056                             struct host_cmd_ds_command *cmd);
1057 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
1058                             struct host_cmd_ds_command *resp);
1059 int is_command_pending(struct mwifiex_adapter *adapter);
1060 void mwifiex_init_priv_params(struct mwifiex_private *priv,
1061                                                 struct net_device *dev);
1062 int mwifiex_set_secure_params(struct mwifiex_private *priv,
1063                               struct mwifiex_uap_bss_param *bss_config,
1064                               struct cfg80211_ap_settings *params);
1065 void mwifiex_set_ht_params(struct mwifiex_private *priv,
1066                            struct mwifiex_uap_bss_param *bss_cfg,
1067                            struct cfg80211_ap_settings *params);
1068 void mwifiex_set_vht_params(struct mwifiex_private *priv,
1069                             struct mwifiex_uap_bss_param *bss_cfg,
1070                             struct cfg80211_ap_settings *params);
1071 void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
1072                            struct cfg80211_ap_settings *params);
1073 void mwifiex_set_vht_width(struct mwifiex_private *priv,
1074                            enum nl80211_chan_width width,
1075                            bool ap_11ac_disable);
1076 void
1077 mwifiex_set_wmm_params(struct mwifiex_private *priv,
1078                        struct mwifiex_uap_bss_param *bss_cfg,
1079                        struct cfg80211_ap_settings *params);
1080 void mwifiex_set_ba_params(struct mwifiex_private *priv);
1081 void mwifiex_set_11ac_ba_params(struct mwifiex_private *priv);
1082 int mwifiex_cmd_802_11_scan_ext(struct mwifiex_private *priv,
1083                                 struct host_cmd_ds_command *cmd,
1084                                 void *data_buf);
1085 int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv,
1086                                 struct host_cmd_ds_command *resp);
1087 int mwifiex_handle_event_ext_scan_report(struct mwifiex_private *priv,
1088                                          void *buf);
1089
1090 /*
1091  * This function checks if the queuing is RA based or not.
1092  */
1093 static inline u8
1094 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
1095 {
1096         /*
1097          * Currently we assume if we are in Infra, then DA=RA. This might not be
1098          * true in the future
1099          */
1100         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
1101             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
1102                 return false;
1103
1104         return true;
1105 }
1106
1107 /*
1108  * This function copies rates.
1109  */
1110 static inline u32
1111 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
1112 {
1113         int i;
1114
1115         for (i = 0; i < len && src[i]; i++, pos++) {
1116                 if (pos >= MWIFIEX_SUPPORTED_RATES)
1117                         break;
1118                 dest[pos] = src[i];
1119         }
1120
1121         return pos;
1122 }
1123
1124 /*
1125  * This function returns the correct private structure pointer based
1126  * upon the BSS type and BSS number.
1127  */
1128 static inline struct mwifiex_private *
1129 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
1130                        u8 bss_num, u8 bss_type)
1131 {
1132         int i;
1133
1134         for (i = 0; i < adapter->priv_num; i++) {
1135                 if (adapter->priv[i]) {
1136                         if ((adapter->priv[i]->bss_num == bss_num) &&
1137                             (adapter->priv[i]->bss_type == bss_type))
1138                                 break;
1139                 }
1140         }
1141         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
1142 }
1143
1144 /*
1145  * This function returns the first available private structure pointer
1146  * based upon the BSS role.
1147  */
1148 static inline struct mwifiex_private *
1149 mwifiex_get_priv(struct mwifiex_adapter *adapter,
1150                  enum mwifiex_bss_role bss_role)
1151 {
1152         int i;
1153
1154         for (i = 0; i < adapter->priv_num; i++) {
1155                 if (adapter->priv[i]) {
1156                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
1157                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
1158                                 break;
1159                 }
1160         }
1161
1162         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
1163 }
1164
1165 /*
1166  * This function returns the first available unused private structure pointer.
1167  */
1168 static inline struct mwifiex_private *
1169 mwifiex_get_unused_priv(struct mwifiex_adapter *adapter)
1170 {
1171         int i;
1172
1173         for (i = 0; i < adapter->priv_num; i++) {
1174                 if (adapter->priv[i]) {
1175                         if (adapter->priv[i]->bss_mode ==
1176                             NL80211_IFTYPE_UNSPECIFIED)
1177                                 break;
1178                 }
1179         }
1180
1181         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
1182 }
1183
1184 /*
1185  * This function returns the driver private structure of a network device.
1186  */
1187 static inline struct mwifiex_private *
1188 mwifiex_netdev_get_priv(struct net_device *dev)
1189 {
1190         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
1191 }
1192
1193 /*
1194  * This function checks if a skb holds a management frame.
1195  */
1196 static inline bool mwifiex_is_skb_mgmt_frame(struct sk_buff *skb)
1197 {
1198         return (le32_to_cpu(*(__le32 *)skb->data) == PKT_TYPE_MGMT);
1199 }
1200
1201 /* This function retrieves channel closed for operation by Channel
1202  * Switch Announcement.
1203  */
1204 static inline u8
1205 mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv)
1206 {
1207         if (!priv->csa_chan)
1208                 return 0;
1209
1210         /* Clear csa channel, if DFS channel move time has passed */
1211         if (time_after(jiffies, priv->csa_expire_time)) {
1212                 priv->csa_chan = 0;
1213                 priv->csa_expire_time = 0;
1214         }
1215
1216         return priv->csa_chan;
1217 }
1218
1219 static inline u8 mwifiex_is_any_intf_active(struct mwifiex_private *priv)
1220 {
1221         struct mwifiex_private *priv_num;
1222         int i;
1223
1224         for (i = 0; i < priv->adapter->priv_num; i++) {
1225                 priv_num = priv->adapter->priv[i];
1226                 if (priv_num) {
1227                         if ((GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_UAP &&
1228                              priv_num->bss_started) ||
1229                             (GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_STA &&
1230                              priv_num->media_connected))
1231                                 return 1;
1232                 }
1233         }
1234
1235         return 0;
1236 }
1237
1238 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
1239                              u32 func_init_shutdown);
1240 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
1241 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
1242
1243 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
1244                          int maxlen);
1245 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
1246                         struct mwifiex_multicast_list *mcast_list);
1247 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
1248                             struct net_device *dev);
1249 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
1250                                 struct cmd_ctrl_node *cmd_queued);
1251 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
1252                       struct cfg80211_ssid *req_ssid);
1253 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
1254 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
1255 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
1256 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate);
1257 int mwifiex_request_scan(struct mwifiex_private *priv,
1258                          struct cfg80211_ssid *req_ssid);
1259 int mwifiex_scan_networks(struct mwifiex_private *priv,
1260                           const struct mwifiex_user_scan_cfg *user_scan_in);
1261 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
1262
1263 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1264                        const u8 *key, int key_len, u8 key_index,
1265                        const u8 *mac_addr, int disable);
1266
1267 int mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len);
1268
1269 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
1270
1271 int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1272                                struct ieee80211_channel *chan,
1273                                unsigned int duration);
1274
1275 int mwifiex_get_stats_info(struct mwifiex_private *priv,
1276                            struct mwifiex_ds_get_stats *log);
1277
1278 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1279                       u32 reg_offset, u32 reg_value);
1280
1281 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1282                      u32 reg_offset, u32 *value);
1283
1284 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1285                         u8 *value);
1286
1287 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
1288
1289 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
1290
1291 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
1292
1293 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
1294
1295 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
1296
1297 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
1298                                    char *version, int max_len);
1299
1300 int mwifiex_set_tx_power(struct mwifiex_private *priv,
1301                          struct mwifiex_power_cfg *power_cfg);
1302
1303 int mwifiex_main_process(struct mwifiex_adapter *);
1304
1305 int mwifiex_queue_tx_pkt(struct mwifiex_private *priv, struct sk_buff *skb);
1306
1307 int mwifiex_get_bss_info(struct mwifiex_private *,
1308                          struct mwifiex_bss_info *);
1309 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
1310                               struct cfg80211_bss *bss,
1311                               struct mwifiex_bssdescriptor *bss_desc);
1312 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
1313                                     struct mwifiex_bssdescriptor *bss_entry);
1314 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
1315                                         struct mwifiex_bssdescriptor *bss_desc);
1316
1317 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type);
1318
1319 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1320                                               const char *name,
1321                                               enum nl80211_iftype type,
1322                                               u32 *flags,
1323                                               struct vif_params *params);
1324 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
1325
1326 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
1327
1328 int mwifiex_add_wowlan_magic_pkt_filter(struct mwifiex_adapter *adapter);
1329
1330 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
1331                          struct cfg80211_beacon_data *data);
1332 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
1333 u8 *mwifiex_11d_code_2_region(u8 code);
1334 void mwifiex_uap_set_channel(struct mwifiex_uap_bss_param *bss_cfg,
1335                              struct cfg80211_chan_def chandef);
1336 int mwifiex_config_start_uap(struct mwifiex_private *priv,
1337                              struct mwifiex_uap_bss_param *bss_cfg);
1338 void mwifiex_uap_del_sta_data(struct mwifiex_private *priv,
1339                               struct mwifiex_sta_node *node);
1340
1341 void mwifiex_init_11h_params(struct mwifiex_private *priv);
1342 int mwifiex_is_11h_active(struct mwifiex_private *priv);
1343 int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag);
1344
1345 void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer,
1346                               struct mwifiex_bssdescriptor *bss_desc);
1347 int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv);
1348 int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
1349                             struct device_node *node, const char *prefix);
1350 void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv);
1351
1352 extern const struct ethtool_ops mwifiex_ethtool_ops;
1353
1354 void mwifiex_del_all_sta_list(struct mwifiex_private *priv);
1355 void mwifiex_del_sta_entry(struct mwifiex_private *priv, const u8 *mac);
1356 void
1357 mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
1358                        int ies_len, struct mwifiex_sta_node *node);
1359 struct mwifiex_sta_node *
1360 mwifiex_add_sta_entry(struct mwifiex_private *priv, const u8 *mac);
1361 struct mwifiex_sta_node *
1362 mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac);
1363 int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
1364                                  u8 action_code, u8 dialog_token,
1365                                  u16 status_code, const u8 *extra_ies,
1366                                  size_t extra_ies_len);
1367 int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
1368                                    u8 action_code, u8 dialog_token,
1369                                    u16 status_code, const u8 *extra_ies,
1370                                    size_t extra_ies_len);
1371 void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
1372                                        u8 *buf, int len);
1373 int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action);
1374 int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac);
1375 int mwifiex_get_tdls_list(struct mwifiex_private *priv,
1376                           struct tdls_peer_info *buf);
1377 void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv);
1378 bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
1379 u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
1380                                  u32 pri_chan, u8 chan_bw);
1381 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter);
1382
1383 int mwifiex_tdls_check_tx(struct mwifiex_private *priv, struct sk_buff *skb);
1384 void mwifiex_flush_auto_tdls_list(struct mwifiex_private *priv);
1385 void mwifiex_auto_tdls_update_peer_status(struct mwifiex_private *priv,
1386                                           const u8 *mac, u8 link_status);
1387 void mwifiex_auto_tdls_update_peer_signal(struct mwifiex_private *priv,
1388                                           u8 *mac, s8 snr, s8 nflr);
1389 void mwifiex_check_auto_tdls(unsigned long context);
1390 void mwifiex_add_auto_tdls_peer(struct mwifiex_private *priv, const u8 *mac);
1391 void mwifiex_setup_auto_tdls_timer(struct mwifiex_private *priv);
1392 void mwifiex_clean_auto_tdls(struct mwifiex_private *priv);
1393 int mwifiex_cmd_issue_chan_report_request(struct mwifiex_private *priv,
1394                                           struct host_cmd_ds_command *cmd,
1395                                           void *data_buf);
1396 int mwifiex_11h_handle_chanrpt_ready(struct mwifiex_private *priv,
1397                                      struct sk_buff *skb);
1398
1399 void mwifiex_parse_tx_status_event(struct mwifiex_private *priv,
1400                                    void *event_body);
1401
1402 struct sk_buff *
1403 mwifiex_clone_skb_for_tx_status(struct mwifiex_private *priv,
1404                                 struct sk_buff *skb, u8 flag, u64 *cookie);
1405 void mwifiex_dfs_cac_work_queue(struct work_struct *work);
1406 void mwifiex_dfs_chan_sw_work_queue(struct work_struct *work);
1407 void mwifiex_abort_cac(struct mwifiex_private *priv);
1408 int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv,
1409                                       struct sk_buff *skb);
1410
1411 void mwifiex_hist_data_set(struct mwifiex_private *priv, u8 rx_rate, s8 snr,
1412                            s8 nflr);
1413 void mwifiex_hist_data_reset(struct mwifiex_private *priv);
1414 void mwifiex_hist_data_add(struct mwifiex_private *priv,
1415                            u8 rx_rate, s8 snr, s8 nflr);
1416 u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv,
1417                             u8 rx_rate, u8 ht_info);
1418
1419 void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter);
1420
1421 #ifdef CONFIG_DEBUG_FS
1422 void mwifiex_debugfs_init(void);
1423 void mwifiex_debugfs_remove(void);
1424
1425 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1426 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1427 #endif
1428 #endif /* !_MWIFIEX_MAIN_H_ */