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