drivers/net/wireless/mwifiex/main.h

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