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