drivers/net/wireless/mwifiex/main.h

   1 /*
   2  * Marvell Wireless LAN device driver: major data structures and prototypes
   3  *
   4  * Copyright (C) 2011, 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/firmware.h>
  34 #include <linux/ctype.h>
  35
  36 #include "decl.h"
  37 #include "ioctl.h"
  38 #include "util.h"
  39 #include "fw.h"
  40 #include "pcie.h"
  41
  42 extern const char driver_version[];
  43
  44 enum {
  45         MWIFIEX_ASYNC_CMD,
  46         MWIFIEX_SYNC_CMD
  47 };
  48
  49 #define MWIFIEX_MAX_AP                          64
  50
  51 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT        (5 * HZ)
  52
  53 #define MWIFIEX_TIMER_10S                       10000
  54 #define MWIFIEX_TIMER_1S                        1000
  55
  56 #define MAX_TX_PENDING      100
  57 #define LOW_TX_PENDING      80
  58
  59 #define MWIFIEX_UPLD_SIZE               (2312)
  60
  61 #define MAX_EVENT_SIZE                  1024
  62
  63 #define ARP_FILTER_MAX_BUF_SIZE         68
  64
  65 #define MWIFIEX_KEY_BUFFER_SIZE                 16
  66 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  67 #define MWIFIEX_MAX_REGION_CODE         7
  68
  69 #define DEFAULT_BCN_AVG_FACTOR          8
  70 #define DEFAULT_DATA_AVG_FACTOR         8
  71
  72 #define FIRST_VALID_CHANNEL                             0xff
  73 #define DEFAULT_AD_HOC_CHANNEL                  6
  74 #define DEFAULT_AD_HOC_CHANNEL_A                36
  75
  76 #define DEFAULT_BCN_MISS_TIMEOUT                5
  77
  78 #define MAX_SCAN_BEACON_BUFFER                  8000
  79
  80 #define SCAN_BEACON_ENTRY_PAD                   6
  81
  82 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME  110
  83 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   30
  84 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30
  85
  86 #define SCAN_RSSI(RSSI)                                 (0x100 - ((u8)(RSSI)))
  87
  88 #define MWIFIEX_MAX_TOTAL_SCAN_TIME     (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
  89
  90 #define MWIFIEX_MAX_SCAN_DELAY_CNT                      50
  91 #define MWIFIEX_SCAN_DELAY_MSEC                         20
  92
  93 #define RSN_GTK_OUI_OFFSET                              2
  94
  95 #define MWIFIEX_OUI_NOT_PRESENT                 0
  96 #define MWIFIEX_OUI_PRESENT                             1
  97
  98 /*
  99  * Do not check for data_received for USB, as data_received
 100  * is handled in mwifiex_usb_recv for USB
 101  */
 102 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 103                                 adapter->event_received || \
 104                                 ((adapter->iface_type != MWIFIEX_USB) && \
 105                                 adapter->data_received) || \
 106                                 ((adapter->iface_type == MWIFIEX_USB) && \
 107                                 !skb_queue_empty(&adapter->usb_rx_data_q)))
 108
 109 #define MWIFIEX_TYPE_CMD                                1
 110 #define MWIFIEX_TYPE_DATA                               0
 111 #define MWIFIEX_TYPE_EVENT                              3
 112
 113 #define DBG_CMD_NUM                                             5
 114
 115 #define MAX_BITMAP_RATES_SIZE                   10
 116
 117 #define MAX_CHANNEL_BAND_BG     14
 118
 119 #define MAX_FREQUENCY_BAND_BG   2484
 120
 121 #define MWIFIEX_EVENT_HEADER_LEN           4
 122 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER     2
 123
 124 #define MWIFIEX_TYPE_LEN                        4
 125 #define MWIFIEX_USB_TYPE_CMD                    0xF00DFACE
 126 #define MWIFIEX_USB_TYPE_DATA                   0xBEADC0DE
 127 #define MWIFIEX_USB_TYPE_EVENT                  0xBEEFFACE
 128
 129 struct mwifiex_dbg {
 130         u32 num_cmd_host_to_card_failure;
 131         u32 num_cmd_sleep_cfm_host_to_card_failure;
 132         u32 num_tx_host_to_card_failure;
 133         u32 num_event_deauth;
 134         u32 num_event_disassoc;
 135         u32 num_event_link_lost;
 136         u32 num_cmd_deauth;
 137         u32 num_cmd_assoc_success;
 138         u32 num_cmd_assoc_failure;
 139         u32 num_tx_timeout;
 140         u32 num_cmd_timeout;
 141         u16 timeout_cmd_id;
 142         u16 timeout_cmd_act;
 143         u16 last_cmd_id[DBG_CMD_NUM];
 144         u16 last_cmd_act[DBG_CMD_NUM];
 145         u16 last_cmd_index;
 146         u16 last_cmd_resp_id[DBG_CMD_NUM];
 147         u16 last_cmd_resp_index;
 148         u16 last_event[DBG_CMD_NUM];
 149         u16 last_event_index;
 150 };
 151
 152 enum MWIFIEX_HARDWARE_STATUS {
 153         MWIFIEX_HW_STATUS_READY,
 154         MWIFIEX_HW_STATUS_INITIALIZING,
 155         MWIFIEX_HW_STATUS_FW_READY,
 156         MWIFIEX_HW_STATUS_INIT_DONE,
 157         MWIFIEX_HW_STATUS_RESET,
 158         MWIFIEX_HW_STATUS_CLOSING,
 159         MWIFIEX_HW_STATUS_NOT_READY
 160 };
 161
 162 enum MWIFIEX_802_11_POWER_MODE {
 163         MWIFIEX_802_11_POWER_MODE_CAM,
 164         MWIFIEX_802_11_POWER_MODE_PSP
 165 };
 166
 167 struct mwifiex_tx_param {
 168         u32 next_pkt_len;
 169 };
 170
 171 enum MWIFIEX_PS_STATE {
 172         PS_STATE_AWAKE,
 173         PS_STATE_PRE_SLEEP,
 174         PS_STATE_SLEEP_CFM,
 175         PS_STATE_SLEEP
 176 };
 177
 178 enum mwifiex_iface_type {
 179         MWIFIEX_SDIO,
 180         MWIFIEX_PCIE,
 181         MWIFIEX_USB
 182 };
 183
 184 struct mwifiex_add_ba_param {
 185         u32 tx_win_size;
 186         u32 rx_win_size;
 187         u32 timeout;
 188 };
 189
 190 struct mwifiex_tx_aggr {
 191         u8 ampdu_user;
 192         u8 ampdu_ap;
 193         u8 amsdu;
 194 };
 195
 196 struct mwifiex_ra_list_tbl {
 197         struct list_head list;
 198         struct sk_buff_head skb_head;
 199         u8 ra[ETH_ALEN];
 200         u32 total_pkts_size;
 201         u32 is_11n_enabled;
 202 };
 203
 204 struct mwifiex_tid_tbl {
 205         struct list_head ra_list;
 206         /* spin lock for tid table */
 207         spinlock_t tid_tbl_lock;
 208         struct mwifiex_ra_list_tbl *ra_list_curr;
 209 };
 210
 211 #define WMM_HIGHEST_PRIORITY            7
 212 #define HIGH_PRIO_TID                           7
 213 #define LOW_PRIO_TID                            0
 214 #define NO_PKT_PRIO_TID                         (-1)
 215
 216 struct mwifiex_wmm_desc {
 217         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 218         u32 packets_out[MAX_NUM_TID];
 219         /* spin lock to protect ra_list */
 220         spinlock_t ra_list_spinlock;
 221         struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
 222         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
 223         u32 drv_pkt_delay_max;
 224         u8 queue_priority[IEEE80211_NUM_ACS];
 225         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 226         /* Number of transmit packets queued */
 227         atomic_t tx_pkts_queued;
 228         /* Tracks highest priority with a packet queued */
 229         atomic_t highest_queued_prio;
 230 };
 231
 232 struct mwifiex_802_11_security {
 233         u8 wpa_enabled;
 234         u8 wpa2_enabled;
 235         u8 wapi_enabled;
 236         u8 wapi_key_on;
 237         u8 wep_enabled;
 238         u32 authentication_mode;
 239         u8 is_authtype_auto;
 240         u32 encryption_mode;
 241 };
 242
 243 struct ieee_types_header {
 244         u8 element_id;
 245         u8 len;
 246 } __packed;
 247
 248 #define MWIFIEX_SUPPORTED_RATES                 14
 249
 250 #define MWIFIEX_SUPPORTED_RATES_EXT             32
 251
 252 struct ieee_types_vendor_specific {
 253         struct ieee_types_vendor_header vend_hdr;
 254         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 255 } __packed;
 256
 257 struct ieee_types_generic {
 258         struct ieee_types_header ieee_hdr;
 259         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 260 } __packed;
 261
 262 struct mwifiex_bssdescriptor {
 263         u8 mac_address[ETH_ALEN];
 264         struct cfg80211_ssid ssid;
 265         u32 privacy;
 266         s32 rssi;
 267         u32 channel;
 268         u32 freq;
 269         u16 beacon_period;
 270         u8 erp_flags;
 271         u32 bss_mode;
 272         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 273         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 274         /* Network band.
 275          * BAND_B(0x01): 'b' band
 276          * BAND_G(0x02): 'g' band
 277          * BAND_A(0X04): 'a' band
 278          */
 279         u16 bss_band;
 280         u64 fw_tsf;
 281         u64 timestamp;
 282         union ieee_types_phy_param_set phy_param_set;
 283         union ieee_types_ss_param_set ss_param_set;
 284         u16 cap_info_bitmap;
 285         struct ieee_types_wmm_parameter wmm_ie;
 286         u8  disable_11n;
 287         struct ieee80211_ht_cap *bcn_ht_cap;
 288         u16 ht_cap_offset;
 289         struct ieee80211_ht_operation *bcn_ht_oper;
 290         u16 ht_info_offset;
 291         u8 *bcn_bss_co_2040;
 292         u16 bss_co_2040_offset;
 293         u8 *bcn_ext_cap;
 294         u16 ext_cap_offset;
 295         struct ieee_types_vendor_specific *bcn_wpa_ie;
 296         u16 wpa_offset;
 297         struct ieee_types_generic *bcn_rsn_ie;
 298         u16 rsn_offset;
 299         struct ieee_types_generic *bcn_wapi_ie;
 300         u16 wapi_offset;
 301         u8 *beacon_buf;
 302         u32 beacon_buf_size;
 303 };
 304
 305 struct mwifiex_current_bss_params {
 306         struct mwifiex_bssdescriptor bss_descriptor;
 307         u8 wmm_enabled;
 308         u8 wmm_uapsd_enabled;
 309         u8 band;
 310         u32 num_of_rates;
 311         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 312 };
 313
 314 struct mwifiex_sleep_params {
 315         u16 sp_error;
 316         u16 sp_offset;
 317         u16 sp_stable_time;
 318         u8 sp_cal_control;
 319         u8 sp_ext_sleep_clk;
 320         u16 sp_reserved;
 321 };
 322
 323 struct mwifiex_sleep_period {
 324         u16 period;
 325         u16 reserved;
 326 };
 327
 328 struct mwifiex_wep_key {
 329         u32 length;
 330         u32 key_index;
 331         u32 key_length;
 332         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 333 };
 334
 335 #define MAX_REGION_CHANNEL_NUM  2
 336
 337 struct mwifiex_chan_freq_power {
 338         u16 channel;
 339         u32 freq;
 340         u16 max_tx_power;
 341         u8 unsupported;
 342 };
 343
 344 enum state_11d_t {
 345         DISABLE_11D = 0,
 346         ENABLE_11D = 1,
 347 };
 348
 349 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 350
 351 struct mwifiex_802_11d_domain_reg {
 352         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 353         u8 no_of_triplet;
 354         struct ieee80211_country_ie_triplet
 355                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 356 };
 357
 358 struct mwifiex_vendor_spec_cfg_ie {
 359         u16 mask;
 360         u16 flag;
 361         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 362 };
 363
 364 struct wps {
 365         u8 session_enable;
 366 };
 367
 368 struct mwifiex_adapter;
 369 struct mwifiex_private;
 370
 371 struct mwifiex_private {
 372         struct mwifiex_adapter *adapter;
 373         u8 bss_type;
 374         u8 bss_role;
 375         u8 bss_priority;
 376         u8 bss_num;
 377         u8 bss_started;
 378         u8 frame_type;
 379         u8 curr_addr[ETH_ALEN];
 380         u8 media_connected;
 381         u32 num_tx_timeout;
 382         struct net_device *netdev;
 383         struct net_device_stats stats;
 384         u16 curr_pkt_filter;
 385         u32 bss_mode;
 386         u32 pkt_tx_ctrl;
 387         u16 tx_power_level;
 388         u8 max_tx_power_level;
 389         u8 min_tx_power_level;
 390         u8 tx_rate;
 391         u8 tx_htinfo;
 392         u8 rxpd_htinfo;
 393         u8 rxpd_rate;
 394         u16 rate_bitmap;
 395         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 396         u32 data_rate;
 397         u8 is_data_rate_auto;
 398         u16 bcn_avg_factor;
 399         u16 data_avg_factor;
 400         s16 data_rssi_last;
 401         s16 data_nf_last;
 402         s16 data_rssi_avg;
 403         s16 data_nf_avg;
 404         s16 bcn_rssi_last;
 405         s16 bcn_nf_last;
 406         s16 bcn_rssi_avg;
 407         s16 bcn_nf_avg;
 408         struct mwifiex_bssdescriptor *attempted_bss_desc;
 409         struct cfg80211_ssid prev_ssid;
 410         u8 prev_bssid[ETH_ALEN];
 411         struct mwifiex_current_bss_params curr_bss_params;
 412         u16 beacon_period;
 413         u8 dtim_period;
 414         u16 listen_interval;
 415         u16 atim_window;
 416         u8 adhoc_channel;
 417         u8 adhoc_is_link_sensed;
 418         u8 adhoc_state;
 419         struct mwifiex_802_11_security sec_info;
 420         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 421         u16 wep_key_curr_index;
 422         u8 wpa_ie[256];
 423         u8 wpa_ie_len;
 424         u8 wpa_is_gtk_set;
 425         struct host_cmd_ds_802_11_key_material aes_key;
 426         u8 wapi_ie[256];
 427         u8 wapi_ie_len;
 428         u8 *wps_ie;
 429         u8 wps_ie_len;
 430         u8 wmm_required;
 431         u8 wmm_enabled;
 432         u8 wmm_qosinfo;
 433         struct mwifiex_wmm_desc wmm;
 434         struct list_head tx_ba_stream_tbl_ptr;
 435         /* spin lock for tx_ba_stream_tbl_ptr queue */
 436         spinlock_t tx_ba_stream_tbl_lock;
 437         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 438         struct mwifiex_add_ba_param add_ba_param;
 439         u16 rx_seq[MAX_NUM_TID];
 440         struct list_head rx_reorder_tbl_ptr;
 441         /* spin lock for rx_reorder_tbl_ptr queue */
 442         spinlock_t rx_reorder_tbl_lock;
 443         /* spin lock for Rx packets */
 444         spinlock_t rx_pkt_lock;
 445
 446 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 447         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 448         u32 assoc_rsp_size;
 449
 450 #define MWIFIEX_GENIE_BUF_SIZE      256
 451         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 452         u8 gen_ie_buf_len;
 453
 454         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 455
 456 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 457         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 458         u8 assoc_tlv_buf_len;
 459
 460         u8 *curr_bcn_buf;
 461         u32 curr_bcn_size;
 462         /* spin lock for beacon buffer */
 463         spinlock_t curr_bcn_buf_lock;
 464         struct wireless_dev *wdev;
 465         struct mwifiex_chan_freq_power cfp;
 466         char version_str[128];
 467 #ifdef CONFIG_DEBUG_FS
 468         struct dentry *dfs_dev_dir;
 469 #endif
 470         u8 nick_name[16];
 471         u16 current_key_index;
 472         struct semaphore async_sem;
 473         u8 scan_pending_on_block;
 474         u8 report_scan_result;
 475         struct cfg80211_scan_request *scan_request;
 476         struct mwifiex_user_scan_cfg *user_scan_cfg;
 477         u8 cfg_bssid[6];
 478         struct wps wps;
 479         u8 scan_block;
 480         s32 cqm_rssi_thold;
 481         u32 cqm_rssi_hyst;
 482         u8 subsc_evt_rssi_state;
 483         struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
 484         u16 beacon_idx;
 485         u16 proberesp_idx;
 486         u16 assocresp_idx;
 487         u16 rsn_idx;
 488         struct timer_list scan_delay_timer;
 489 };
 490
 491 enum mwifiex_ba_status {
 492         BA_SETUP_NONE = 0,
 493         BA_SETUP_INPROGRESS,
 494         BA_SETUP_COMPLETE
 495 };
 496
 497 struct mwifiex_tx_ba_stream_tbl {
 498         struct list_head list;
 499         int tid;
 500         u8 ra[ETH_ALEN];
 501         enum mwifiex_ba_status ba_status;
 502 };
 503
 504 struct mwifiex_rx_reorder_tbl;
 505
 506 struct reorder_tmr_cnxt {
 507         struct timer_list timer;
 508         struct mwifiex_rx_reorder_tbl *ptr;
 509         struct mwifiex_private *priv;
 510 };
 511
 512 struct mwifiex_rx_reorder_tbl {
 513         struct list_head list;
 514         int tid;
 515         u8 ta[ETH_ALEN];
 516         int start_win;
 517         int win_size;
 518         void **rx_reorder_ptr;
 519         struct reorder_tmr_cnxt timer_context;
 520 };
 521
 522 struct mwifiex_bss_prio_node {
 523         struct list_head list;
 524         struct mwifiex_private *priv;
 525 };
 526
 527 struct mwifiex_bss_prio_tbl {
 528         struct list_head bss_prio_head;
 529         /* spin lock for bss priority  */
 530         spinlock_t bss_prio_lock;
 531         struct mwifiex_bss_prio_node *bss_prio_cur;
 532 };
 533
 534 struct cmd_ctrl_node {
 535         struct list_head list;
 536         struct mwifiex_private *priv;
 537         u32 cmd_oid;
 538         u32 cmd_flag;
 539         struct sk_buff *cmd_skb;
 540         struct sk_buff *resp_skb;
 541         void *data_buf;
 542         u32 wait_q_enabled;
 543         struct sk_buff *skb;
 544         u8 *condition;
 545         u8 cmd_wait_q_woken;
 546 };
 547
 548 struct mwifiex_bss_priv {
 549         u8 band;
 550         u64 fw_tsf;
 551 };
 552
 553 struct mwifiex_if_ops {
 554         int (*init_if) (struct mwifiex_adapter *);
 555         void (*cleanup_if) (struct mwifiex_adapter *);
 556         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 557         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 558         int (*register_dev) (struct mwifiex_adapter *);
 559         void (*unregister_dev) (struct mwifiex_adapter *);
 560         int (*enable_int) (struct mwifiex_adapter *);
 561         int (*process_int_status) (struct mwifiex_adapter *);
 562         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 563                              struct mwifiex_tx_param *);
 564         int (*wakeup) (struct mwifiex_adapter *);
 565         int (*wakeup_complete) (struct mwifiex_adapter *);
 566
 567         /* Interface specific functions */
 568         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 569         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 570         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 571         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 572         int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
 573         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 574 };
 575
 576 struct mwifiex_adapter {
 577         u8 iface_type;
 578         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 579         u8 priv_num;
 580         const struct firmware *firmware;
 581         char fw_name[32];
 582         int winner;
 583         struct device *dev;
 584         struct wiphy *wiphy;
 585         bool surprise_removed;
 586         u32 fw_release_number;
 587         u16 init_wait_q_woken;
 588         wait_queue_head_t init_wait_q;
 589         void *card;
 590         struct mwifiex_if_ops if_ops;
 591         atomic_t rx_pending;
 592         atomic_t tx_pending;
 593         atomic_t cmd_pending;
 594         struct workqueue_struct *workqueue;
 595         struct work_struct main_work;
 596         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 597         /* spin lock for init/shutdown */
 598         spinlock_t mwifiex_lock;
 599         /* spin lock for main process */
 600         spinlock_t main_proc_lock;
 601         u32 mwifiex_processing;
 602         u16 max_tx_buf_size;
 603         u16 tx_buf_size;
 604         u16 curr_tx_buf_size;
 605         u32 ioport;
 606         enum MWIFIEX_HARDWARE_STATUS hw_status;
 607         u16 number_of_antenna;
 608         u32 fw_cap_info;
 609         /* spin lock for interrupt handling */
 610         spinlock_t int_lock;
 611         u8 int_status;
 612         u32 event_cause;
 613         struct sk_buff *event_skb;
 614         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 615         u8 data_sent;
 616         u8 cmd_sent;
 617         u8 cmd_resp_received;
 618         u8 event_received;
 619         u8 data_received;
 620         u16 seq_num;
 621         struct cmd_ctrl_node *cmd_pool;
 622         struct cmd_ctrl_node *curr_cmd;
 623         /* spin lock for command */
 624         spinlock_t mwifiex_cmd_lock;
 625         u32 num_cmd_timeout;
 626         u16 last_init_cmd;
 627         struct timer_list cmd_timer;
 628         struct list_head cmd_free_q;
 629         /* spin lock for cmd_free_q */
 630         spinlock_t cmd_free_q_lock;
 631         struct list_head cmd_pending_q;
 632         /* spin lock for cmd_pending_q */
 633         spinlock_t cmd_pending_q_lock;
 634         struct list_head scan_pending_q;
 635         /* spin lock for scan_pending_q */
 636         spinlock_t scan_pending_q_lock;
 637         struct sk_buff_head usb_rx_data_q;
 638         u32 scan_processing;
 639         u16 region_code;
 640         struct mwifiex_802_11d_domain_reg domain_reg;
 641         u16 scan_probes;
 642         u32 scan_mode;
 643         u16 specific_scan_time;
 644         u16 active_scan_time;
 645         u16 passive_scan_time;
 646         u8 fw_bands;
 647         u8 adhoc_start_band;
 648         u8 config_bands;
 649         struct mwifiex_chan_scan_param_set *scan_channels;
 650         u8 tx_lock_flag;
 651         struct mwifiex_sleep_params sleep_params;
 652         struct mwifiex_sleep_period sleep_period;
 653         u16 ps_mode;
 654         u32 ps_state;
 655         u8 need_to_wakeup;
 656         u16 multiple_dtim;
 657         u16 local_listen_interval;
 658         u16 null_pkt_interval;
 659         struct sk_buff *sleep_cfm;
 660         u16 bcn_miss_time_out;
 661         u16 adhoc_awake_period;
 662         u8 is_deep_sleep;
 663         u8 delay_null_pkt;
 664         u16 delay_to_ps;
 665         u16 enhanced_ps_mode;
 666         u8 pm_wakeup_card_req;
 667         u16 gen_null_pkt;
 668         u16 pps_uapsd_mode;
 669         u32 pm_wakeup_fw_try;
 670         u8 is_hs_configured;
 671         struct mwifiex_hs_config_param hs_cfg;
 672         u8 hs_activated;
 673         u16 hs_activate_wait_q_woken;
 674         wait_queue_head_t hs_activate_wait_q;
 675         bool is_suspended;
 676         u8 event_body[MAX_EVENT_SIZE];
 677         u32 hw_dot_11n_dev_cap;
 678         u8 hw_dev_mcs_support;
 679         u8 adhoc_11n_enabled;
 680         u8 sec_chan_offset;
 681         enum nl80211_channel_type channel_type;
 682         struct mwifiex_dbg dbg;
 683         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 684         u32 arp_filter_size;
 685         u16 cmd_wait_q_required;
 686         struct mwifiex_wait_queue cmd_wait_q;
 687         u8 scan_wait_q_woken;
 688         struct cmd_ctrl_node *cmd_queued;
 689         spinlock_t queue_lock;          /* lock for tx queues */
 690         struct completion fw_load;
 691         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 692         u16 max_mgmt_ie_index;
 693         u8 scan_delay_cnt;
 694 };
 695
 696 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 697
 698 void mwifiex_set_trans_start(struct net_device *dev);
 699
 700 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
 701                 struct mwifiex_adapter *adapter);
 702
 703 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
 704                 struct mwifiex_adapter *adapter);
 705
 706 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 707
 708 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 709
 710 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 711
 712 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 713
 714 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 715
 716 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 717
 718 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 719
 720 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 721                          struct cmd_ctrl_node *cmd_node);
 722
 723 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 724                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 725
 726 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 727                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 728
 729 void mwifiex_cmd_timeout_func(unsigned long function_context);
 730
 731 int mwifiex_get_debug_info(struct mwifiex_private *,
 732                            struct mwifiex_debug_info *);
 733
 734 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 735 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 736 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 737 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 738
 739 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 740                                   struct cmd_ctrl_node *cmd_node);
 741
 742 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 743                                      struct cmd_ctrl_node *cmd_node,
 744                                      u32 addtail);
 745
 746 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 747 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 748 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 749                              struct sk_buff *skb);
 750 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 751                        struct mwifiex_tx_param *tx_param);
 752 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 753 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 754                                 struct sk_buff *skb, int status);
 755 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 756 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 757 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 758 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 759                                         u32);
 760 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 761                                struct host_cmd_ds_command *cmd,
 762                                u16 cmd_action, uint16_t ps_bitmap,
 763                                struct mwifiex_ds_auto_ds *auto_ds);
 764 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 765                                struct host_cmd_ds_command *resp,
 766                                struct mwifiex_ds_pm_cfg *pm_cfg);
 767 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 768 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 769                                         u8 activated);
 770 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 771                               struct host_cmd_ds_command *resp);
 772 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 773                               struct sk_buff *skb);
 774 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 775                             u16 cmd_action, u32 cmd_oid,
 776                             void *data_buf, void *cmd_buf);
 777 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 778                             u16 cmd_action, u32 cmd_oid,
 779                             void *data_buf, void *cmd_buf);
 780 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 781                                 struct host_cmd_ds_command *resp);
 782 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 783                                   struct sk_buff *skb);
 784 int mwifiex_process_sta_event(struct mwifiex_private *);
 785 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 786 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 787 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 788                             struct mwifiex_scan_cmd_config *scan_cfg);
 789 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 790                             struct cmd_ctrl_node *cmd_node);
 791 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 792                             struct host_cmd_ds_command *resp);
 793 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
 794 int mwifiex_associate(struct mwifiex_private *priv,
 795                       struct mwifiex_bssdescriptor *bss_desc);
 796 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 797                                  struct host_cmd_ds_command *cmd,
 798                                  struct mwifiex_bssdescriptor *bss_desc);
 799 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 800                                  struct host_cmd_ds_command *resp);
 801 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 802 u8 mwifiex_band_to_radio_type(u8 band);
 803 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 804 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 805                         struct cfg80211_ssid *adhoc_ssid);
 806 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 807                        struct mwifiex_bssdescriptor *bss_desc);
 808 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 809                                     struct host_cmd_ds_command *cmd,
 810                                     struct cfg80211_ssid *req_ssid);
 811 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 812                                    struct host_cmd_ds_command *cmd,
 813                                    struct mwifiex_bssdescriptor *bss_desc);
 814 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 815                               struct host_cmd_ds_command *resp);
 816 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 817 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
 818                                                 u8 band, u16 channel, u32 freq);
 819 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
 820                                                         u8 ht_info);
 821 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 822 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 823                                 u8 **buffer);
 824 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 825                                     u8 *rates);
 826 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 827 u8 mwifiex_data_rate_to_index(u32 rate);
 828 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 829 int mwifiex_get_rate_index(u16 *rateBitmap, int size);
 830 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 831 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 832 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 833 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 834                             struct host_cmd_ds_command *cmd);
 835 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 836                             struct host_cmd_ds_command *resp);
 837 int is_command_pending(struct mwifiex_adapter *adapter);
 838 void mwifiex_init_priv_params(struct mwifiex_private *priv,
 839                                                 struct net_device *dev);
 840 int mwifiex_set_secure_params(struct mwifiex_private *priv,
 841                               struct mwifiex_uap_bss_param *bss_config,
 842                               struct cfg80211_ap_settings *params);
 843 void mwifiex_set_ht_params(struct mwifiex_private *priv,
 844                            struct mwifiex_uap_bss_param *bss_cfg,
 845                            struct cfg80211_ap_settings *params);
 846
 847 /*
 848  * This function checks if the queuing is RA based or not.
 849  */
 850 static inline u8
 851 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 852 {
 853         /*
 854          * Currently we assume if we are in Infra, then DA=RA. This might not be
 855          * true in the future
 856          */
 857         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 858             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 859                 return false;
 860
 861         return true;
 862 }
 863
 864 /*
 865  * This function copies rates.
 866  */
 867 static inline u32
 868 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 869 {
 870         int i;
 871
 872         for (i = 0; i < len && src[i]; i++, pos++) {
 873                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 874                         break;
 875                 dest[pos] = src[i];
 876         }
 877
 878         return pos;
 879 }
 880
 881 /*
 882  * This function returns the correct private structure pointer based
 883  * upon the BSS type and BSS number.
 884  */
 885 static inline struct mwifiex_private *
 886 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 887                        u8 bss_num, u8 bss_type)
 888 {
 889         int i;
 890
 891         for (i = 0; i < adapter->priv_num; i++) {
 892                 if (adapter->priv[i]) {
 893                         if ((adapter->priv[i]->bss_num == bss_num) &&
 894                             (adapter->priv[i]->bss_type == bss_type))
 895                                 break;
 896                 }
 897         }
 898         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 899 }
 900
 901 /*
 902  * This function returns the first available private structure pointer
 903  * based upon the BSS role.
 904  */
 905 static inline struct mwifiex_private *
 906 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 907                  enum mwifiex_bss_role bss_role)
 908 {
 909         int i;
 910
 911         for (i = 0; i < adapter->priv_num; i++) {
 912                 if (adapter->priv[i]) {
 913                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 914                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 915                                 break;
 916                 }
 917         }
 918
 919         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 920 }
 921
 922 /*
 923  * This function returns the driver private structure of a network device.
 924  */
 925 static inline struct mwifiex_private *
 926 mwifiex_netdev_get_priv(struct net_device *dev)
 927 {
 928         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 929 }
 930
 931 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 932                              u32 func_init_shutdown);
 933 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
 934 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 935
 936 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 937                          int maxlen);
 938 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 939                         struct mwifiex_multicast_list *mcast_list);
 940 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 941                             struct net_device *dev);
 942 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 943 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 944                       struct cfg80211_ssid *req_ssid);
 945 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 946 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 947 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
 948 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 949                               struct mwifiex_rate_cfg *rate);
 950 int mwifiex_request_scan(struct mwifiex_private *priv,
 951                          struct cfg80211_ssid *req_ssid);
 952 int mwifiex_scan_networks(struct mwifiex_private *priv,
 953                           const struct mwifiex_user_scan_cfg *user_scan_in);
 954 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 955
 956 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
 957                        int key_len, u8 key_index, const u8 *mac_addr,
 958                        int disable);
 959
 960 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 961
 962 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 963
 964 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 965                            struct mwifiex_ds_get_stats *log);
 966
 967 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 968                       u32 reg_offset, u32 reg_value);
 969
 970 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 971                      u32 reg_offset, u32 *value);
 972
 973 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
 974                         u8 *value);
 975
 976 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
 977
 978 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
 979
 980 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
 981
 982 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
 983
 984 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
 985
 986 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
 987                                    char *version, int max_len);
 988
 989 int mwifiex_set_tx_power(struct mwifiex_private *priv,
 990                          struct mwifiex_power_cfg *power_cfg);
 991
 992 int mwifiex_main_process(struct mwifiex_adapter *);
 993
 994 int mwifiex_get_bss_info(struct mwifiex_private *,
 995                          struct mwifiex_bss_info *);
 996 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 997                               struct cfg80211_bss *bss,
 998                               struct mwifiex_bssdescriptor *bss_desc);
 999 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
1000                                     struct mwifiex_bssdescriptor *bss_entry);
1001 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
1002                                         struct mwifiex_bssdescriptor *bss_desc);
1003
1004 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1005                                               char *name,
1006                                               enum nl80211_iftype type,
1007                                               u32 *flags,
1008                                               struct vif_params *params);
1009 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
1010
1011 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
1012
1013 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
1014                          struct cfg80211_beacon_data *data);
1015 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
1016 u8 *mwifiex_11d_code_2_region(u8 code);
1017
1018 #ifdef CONFIG_DEBUG_FS
1019 void mwifiex_debugfs_init(void);
1020 void mwifiex_debugfs_remove(void);
1021
1022 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1023 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1024 #endif
1025 #endif /* !_MWIFIEX_MAIN_H_ */