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  200
  83 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   200
  84 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 110
  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 RSN_GTK_OUI_OFFSET                              2
  91
  92 #define MWIFIEX_OUI_NOT_PRESENT                 0
  93 #define MWIFIEX_OUI_PRESENT                             1
  94
  95 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
  96                                         adapter->event_received || \
  97                                         adapter->data_received)
  98
  99 #define MWIFIEX_TYPE_CMD                                1
 100 #define MWIFIEX_TYPE_DATA                               0
 101 #define MWIFIEX_TYPE_EVENT                              3
 102
 103 #define DBG_CMD_NUM                                             5
 104
 105 #define MAX_BITMAP_RATES_SIZE                   10
 106
 107 #define MAX_CHANNEL_BAND_BG     14
 108
 109 #define MAX_FREQUENCY_BAND_BG   2484
 110
 111 #define MWIFIEX_EVENT_HEADER_LEN           4
 112
 113 struct mwifiex_dbg {
 114         u32 num_cmd_host_to_card_failure;
 115         u32 num_cmd_sleep_cfm_host_to_card_failure;
 116         u32 num_tx_host_to_card_failure;
 117         u32 num_event_deauth;
 118         u32 num_event_disassoc;
 119         u32 num_event_link_lost;
 120         u32 num_cmd_deauth;
 121         u32 num_cmd_assoc_success;
 122         u32 num_cmd_assoc_failure;
 123         u32 num_tx_timeout;
 124         u32 num_cmd_timeout;
 125         u16 timeout_cmd_id;
 126         u16 timeout_cmd_act;
 127         u16 last_cmd_id[DBG_CMD_NUM];
 128         u16 last_cmd_act[DBG_CMD_NUM];
 129         u16 last_cmd_index;
 130         u16 last_cmd_resp_id[DBG_CMD_NUM];
 131         u16 last_cmd_resp_index;
 132         u16 last_event[DBG_CMD_NUM];
 133         u16 last_event_index;
 134 };
 135
 136 enum MWIFIEX_HARDWARE_STATUS {
 137         MWIFIEX_HW_STATUS_READY,
 138         MWIFIEX_HW_STATUS_INITIALIZING,
 139         MWIFIEX_HW_STATUS_FW_READY,
 140         MWIFIEX_HW_STATUS_INIT_DONE,
 141         MWIFIEX_HW_STATUS_RESET,
 142         MWIFIEX_HW_STATUS_CLOSING,
 143         MWIFIEX_HW_STATUS_NOT_READY
 144 };
 145
 146 enum MWIFIEX_802_11_POWER_MODE {
 147         MWIFIEX_802_11_POWER_MODE_CAM,
 148         MWIFIEX_802_11_POWER_MODE_PSP
 149 };
 150
 151 struct mwifiex_tx_param {
 152         u32 next_pkt_len;
 153 };
 154
 155 enum MWIFIEX_PS_STATE {
 156         PS_STATE_AWAKE,
 157         PS_STATE_PRE_SLEEP,
 158         PS_STATE_SLEEP_CFM,
 159         PS_STATE_SLEEP
 160 };
 161
 162 enum mwifiex_iface_type {
 163         MWIFIEX_SDIO,
 164         MWIFIEX_PCIE,
 165 };
 166
 167 struct mwifiex_add_ba_param {
 168         u32 tx_win_size;
 169         u32 rx_win_size;
 170         u32 timeout;
 171 };
 172
 173 struct mwifiex_tx_aggr {
 174         u8 ampdu_user;
 175         u8 ampdu_ap;
 176         u8 amsdu;
 177 };
 178
 179 struct mwifiex_ra_list_tbl {
 180         struct list_head list;
 181         struct sk_buff_head skb_head;
 182         u8 ra[ETH_ALEN];
 183         u32 total_pkts_size;
 184         u32 is_11n_enabled;
 185 };
 186
 187 struct mwifiex_tid_tbl {
 188         struct list_head ra_list;
 189         /* spin lock for tid table */
 190         spinlock_t tid_tbl_lock;
 191         struct mwifiex_ra_list_tbl *ra_list_curr;
 192 };
 193
 194 #define WMM_HIGHEST_PRIORITY            7
 195 #define HIGH_PRIO_TID                           7
 196 #define LOW_PRIO_TID                            0
 197 #define NO_PKT_PRIO_TID                         (-1)
 198
 199 struct mwifiex_wmm_desc {
 200         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 201         u32 packets_out[MAX_NUM_TID];
 202         /* spin lock to protect ra_list */
 203         spinlock_t ra_list_spinlock;
 204         struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES];
 205         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES];
 206         u32 drv_pkt_delay_max;
 207         u8 queue_priority[IEEE80211_MAX_QUEUES];
 208         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 209         /* Number of transmit packets queued */
 210         atomic_t tx_pkts_queued;
 211         /* Tracks highest priority with a packet queued */
 212         atomic_t highest_queued_prio;
 213 };
 214
 215 struct mwifiex_802_11_security {
 216         u8 wpa_enabled;
 217         u8 wpa2_enabled;
 218         u8 wapi_enabled;
 219         u8 wapi_key_on;
 220         enum MWIFIEX_802_11_WEP_STATUS wep_status;
 221         u32 authentication_mode;
 222         u32 encryption_mode;
 223 };
 224
 225 struct ieee_types_header {
 226         u8 element_id;
 227         u8 len;
 228 } __packed;
 229
 230 #define MWIFIEX_SUPPORTED_RATES                 14
 231
 232 #define MWIFIEX_SUPPORTED_RATES_EXT             32
 233
 234 struct ieee_types_vendor_specific {
 235         struct ieee_types_vendor_header vend_hdr;
 236         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 237 } __packed;
 238
 239 struct ieee_types_generic {
 240         struct ieee_types_header ieee_hdr;
 241         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 242 } __packed;
 243
 244 struct mwifiex_bssdescriptor {
 245         u8 mac_address[ETH_ALEN];
 246         struct mwifiex_802_11_ssid ssid;
 247         u32 privacy;
 248         s32 rssi;
 249         u32 channel;
 250         u32 freq;
 251         u16 beacon_period;
 252         u8 erp_flags;
 253         u32 bss_mode;
 254         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 255         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 256         /* Network band.
 257          * BAND_B(0x01): 'b' band
 258          * BAND_G(0x02): 'g' band
 259          * BAND_A(0X04): 'a' band
 260          */
 261         u16 bss_band;
 262         u64 network_tsf;
 263         u8 time_stamp[8];
 264         union ieee_types_phy_param_set phy_param_set;
 265         union ieee_types_ss_param_set ss_param_set;
 266         u16 cap_info_bitmap;
 267         struct ieee_types_wmm_parameter wmm_ie;
 268         u8  disable_11n;
 269         struct ieee80211_ht_cap *bcn_ht_cap;
 270         u16 ht_cap_offset;
 271         struct ieee80211_ht_info *bcn_ht_info;
 272         u16 ht_info_offset;
 273         u8 *bcn_bss_co_2040;
 274         u16 bss_co_2040_offset;
 275         u8 *bcn_ext_cap;
 276         u16 ext_cap_offset;
 277         struct ieee_types_vendor_specific *bcn_wpa_ie;
 278         u16 wpa_offset;
 279         struct ieee_types_generic *bcn_rsn_ie;
 280         u16 rsn_offset;
 281         struct ieee_types_generic *bcn_wapi_ie;
 282         u16 wapi_offset;
 283         u8 *beacon_buf;
 284         u32 beacon_buf_size;
 285 };
 286
 287 struct mwifiex_current_bss_params {
 288         struct mwifiex_bssdescriptor bss_descriptor;
 289         u8 wmm_enabled;
 290         u8 wmm_uapsd_enabled;
 291         u8 band;
 292         u32 num_of_rates;
 293         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 294 };
 295
 296 struct mwifiex_sleep_params {
 297         u16 sp_error;
 298         u16 sp_offset;
 299         u16 sp_stable_time;
 300         u8 sp_cal_control;
 301         u8 sp_ext_sleep_clk;
 302         u16 sp_reserved;
 303 };
 304
 305 struct mwifiex_sleep_period {
 306         u16 period;
 307         u16 reserved;
 308 };
 309
 310 struct mwifiex_wep_key {
 311         u32 length;
 312         u32 key_index;
 313         u32 key_length;
 314         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 315 };
 316
 317 #define MAX_REGION_CHANNEL_NUM  2
 318
 319 struct mwifiex_chan_freq_power {
 320         u16 channel;
 321         u32 freq;
 322         u16 max_tx_power;
 323         u8 unsupported;
 324 };
 325
 326 enum state_11d_t {
 327         DISABLE_11D = 0,
 328         ENABLE_11D = 1,
 329 };
 330
 331 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 332
 333 struct mwifiex_802_11d_domain_reg {
 334         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 335         u8 no_of_triplet;
 336         struct ieee80211_country_ie_triplet
 337                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 338 };
 339
 340 struct mwifiex_vendor_spec_cfg_ie {
 341         u16 mask;
 342         u16 flag;
 343         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 344 };
 345
 346 struct wps {
 347         u8 session_enable;
 348 };
 349
 350 struct mwifiex_adapter;
 351 struct mwifiex_private;
 352
 353 struct mwifiex_private {
 354         struct mwifiex_adapter *adapter;
 355         u8 bss_index;
 356         u8 bss_type;
 357         u8 bss_role;
 358         u8 bss_priority;
 359         u8 bss_num;
 360         u8 frame_type;
 361         u8 curr_addr[ETH_ALEN];
 362         u8 media_connected;
 363         u32 num_tx_timeout;
 364         struct net_device *netdev;
 365         struct net_device_stats stats;
 366         u16 curr_pkt_filter;
 367         u32 bss_mode;
 368         u32 pkt_tx_ctrl;
 369         u16 tx_power_level;
 370         u8 max_tx_power_level;
 371         u8 min_tx_power_level;
 372         u8 tx_rate;
 373         u8 tx_htinfo;
 374         u8 rxpd_htinfo;
 375         u8 rxpd_rate;
 376         u16 rate_bitmap;
 377         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 378         u32 data_rate;
 379         u8 is_data_rate_auto;
 380         u16 bcn_avg_factor;
 381         u16 data_avg_factor;
 382         s16 data_rssi_last;
 383         s16 data_nf_last;
 384         s16 data_rssi_avg;
 385         s16 data_nf_avg;
 386         s16 bcn_rssi_last;
 387         s16 bcn_nf_last;
 388         s16 bcn_rssi_avg;
 389         s16 bcn_nf_avg;
 390         struct mwifiex_bssdescriptor *attempted_bss_desc;
 391         struct mwifiex_802_11_ssid prev_ssid;
 392         u8 prev_bssid[ETH_ALEN];
 393         struct mwifiex_current_bss_params curr_bss_params;
 394         u16 beacon_period;
 395         u16 listen_interval;
 396         u16 atim_window;
 397         u8 adhoc_channel;
 398         u8 adhoc_is_link_sensed;
 399         u8 adhoc_state;
 400         struct mwifiex_802_11_security sec_info;
 401         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 402         u16 wep_key_curr_index;
 403         u8 wpa_ie[256];
 404         u8 wpa_ie_len;
 405         u8 wpa_is_gtk_set;
 406         struct host_cmd_ds_802_11_key_material aes_key;
 407         u8 wapi_ie[256];
 408         u8 wapi_ie_len;
 409         u8 wmm_required;
 410         u8 wmm_enabled;
 411         u8 wmm_qosinfo;
 412         struct mwifiex_wmm_desc wmm;
 413         struct list_head tx_ba_stream_tbl_ptr;
 414         /* spin lock for tx_ba_stream_tbl_ptr queue */
 415         spinlock_t tx_ba_stream_tbl_lock;
 416         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 417         struct mwifiex_add_ba_param add_ba_param;
 418         u16 rx_seq[MAX_NUM_TID];
 419         struct list_head rx_reorder_tbl_ptr;
 420         /* spin lock for rx_reorder_tbl_ptr queue */
 421         spinlock_t rx_reorder_tbl_lock;
 422         /* spin lock for Rx packets */
 423         spinlock_t rx_pkt_lock;
 424
 425 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 426         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 427         u32 assoc_rsp_size;
 428
 429 #define MWIFIEX_GENIE_BUF_SIZE      256
 430         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 431         u8 gen_ie_buf_len;
 432
 433         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 434
 435 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 436         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 437         u8 assoc_tlv_buf_len;
 438
 439         u8 *curr_bcn_buf;
 440         u32 curr_bcn_size;
 441         /* spin lock for beacon buffer */
 442         spinlock_t curr_bcn_buf_lock;
 443         struct wireless_dev *wdev;
 444         struct mwifiex_chan_freq_power cfp;
 445         char version_str[128];
 446 #ifdef CONFIG_DEBUG_FS
 447         struct dentry *dfs_dev_dir;
 448 #endif
 449         u8 nick_name[16];
 450         u8 qual_level, qual_noise;
 451         u16 current_key_index;
 452         struct semaphore async_sem;
 453         u8 scan_pending_on_block;
 454         u8 report_scan_result;
 455         struct cfg80211_scan_request *scan_request;
 456         int scan_result_status;
 457         int assoc_request;
 458         u16 assoc_result;
 459         int ibss_join_request;
 460         u16 ibss_join_result;
 461         bool disconnect;
 462         u8 cfg_bssid[6];
 463         struct workqueue_struct *workqueue;
 464         struct work_struct cfg_workqueue;
 465         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 466         struct wps wps;
 467         u8 scan_block;
 468 };
 469
 470 enum mwifiex_ba_status {
 471         BA_STREAM_NOT_SETUP = 0,
 472         BA_STREAM_SETUP_INPROGRESS,
 473         BA_STREAM_SETUP_COMPLETE
 474 };
 475
 476 struct mwifiex_tx_ba_stream_tbl {
 477         struct list_head list;
 478         int tid;
 479         u8 ra[ETH_ALEN];
 480         enum mwifiex_ba_status ba_status;
 481 };
 482
 483 struct mwifiex_rx_reorder_tbl;
 484
 485 struct reorder_tmr_cnxt {
 486         struct timer_list timer;
 487         struct mwifiex_rx_reorder_tbl *ptr;
 488         struct mwifiex_private *priv;
 489 };
 490
 491 struct mwifiex_rx_reorder_tbl {
 492         struct list_head list;
 493         int tid;
 494         u8 ta[ETH_ALEN];
 495         int start_win;
 496         int win_size;
 497         void **rx_reorder_ptr;
 498         struct reorder_tmr_cnxt timer_context;
 499 };
 500
 501 struct mwifiex_bss_prio_node {
 502         struct list_head list;
 503         struct mwifiex_private *priv;
 504 };
 505
 506 struct mwifiex_bss_prio_tbl {
 507         struct list_head bss_prio_head;
 508         /* spin lock for bss priority  */
 509         spinlock_t bss_prio_lock;
 510         struct mwifiex_bss_prio_node *bss_prio_cur;
 511 };
 512
 513 struct cmd_ctrl_node {
 514         struct list_head list;
 515         struct mwifiex_private *priv;
 516         u32 cmd_oid;
 517         u32 cmd_flag;
 518         struct sk_buff *cmd_skb;
 519         struct sk_buff *resp_skb;
 520         void *data_buf;
 521         u32 wait_q_enabled;
 522         struct sk_buff *skb;
 523         u8 *condition;
 524         u8 cmd_wait_q_woken;
 525 };
 526
 527 struct mwifiex_if_ops {
 528         int (*init_if) (struct mwifiex_adapter *);
 529         void (*cleanup_if) (struct mwifiex_adapter *);
 530         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 531         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 532         int (*register_dev) (struct mwifiex_adapter *);
 533         void (*unregister_dev) (struct mwifiex_adapter *);
 534         int (*enable_int) (struct mwifiex_adapter *);
 535         int (*process_int_status) (struct mwifiex_adapter *);
 536         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 537                              struct mwifiex_tx_param *);
 538         int (*wakeup) (struct mwifiex_adapter *);
 539         int (*wakeup_complete) (struct mwifiex_adapter *);
 540
 541         /* Interface specific functions */
 542         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 543         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 544         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 545         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 546 };
 547
 548 struct mwifiex_adapter {
 549         u8 iface_type;
 550         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 551         u8 priv_num;
 552         const struct firmware *firmware;
 553         char fw_name[32];
 554         int winner;
 555         struct device *dev;
 556         bool surprise_removed;
 557         u32 fw_release_number;
 558         u16 init_wait_q_woken;
 559         wait_queue_head_t init_wait_q;
 560         void *card;
 561         struct mwifiex_if_ops if_ops;
 562         atomic_t rx_pending;
 563         atomic_t tx_pending;
 564         atomic_t cmd_pending;
 565         struct workqueue_struct *workqueue;
 566         struct work_struct main_work;
 567         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 568         /* spin lock for init/shutdown */
 569         spinlock_t mwifiex_lock;
 570         /* spin lock for main process */
 571         spinlock_t main_proc_lock;
 572         u32 mwifiex_processing;
 573         u16 max_tx_buf_size;
 574         u16 tx_buf_size;
 575         u16 curr_tx_buf_size;
 576         u32 ioport;
 577         enum MWIFIEX_HARDWARE_STATUS hw_status;
 578         u16 number_of_antenna;
 579         u32 fw_cap_info;
 580         /* spin lock for interrupt handling */
 581         spinlock_t int_lock;
 582         u8 int_status;
 583         u32 event_cause;
 584         struct sk_buff *event_skb;
 585         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 586         u8 data_sent;
 587         u8 cmd_sent;
 588         u8 cmd_resp_received;
 589         u8 event_received;
 590         u8 data_received;
 591         u16 seq_num;
 592         struct cmd_ctrl_node *cmd_pool;
 593         struct cmd_ctrl_node *curr_cmd;
 594         /* spin lock for command */
 595         spinlock_t mwifiex_cmd_lock;
 596         u32 num_cmd_timeout;
 597         u16 last_init_cmd;
 598         struct timer_list cmd_timer;
 599         struct list_head cmd_free_q;
 600         /* spin lock for cmd_free_q */
 601         spinlock_t cmd_free_q_lock;
 602         struct list_head cmd_pending_q;
 603         /* spin lock for cmd_pending_q */
 604         spinlock_t cmd_pending_q_lock;
 605         struct list_head scan_pending_q;
 606         /* spin lock for scan_pending_q */
 607         spinlock_t scan_pending_q_lock;
 608         u32 scan_processing;
 609         u16 region_code;
 610         struct mwifiex_802_11d_domain_reg domain_reg;
 611         u16 scan_probes;
 612         u32 scan_mode;
 613         u16 specific_scan_time;
 614         u16 active_scan_time;
 615         u16 passive_scan_time;
 616         u8 fw_bands;
 617         u8 adhoc_start_band;
 618         u8 config_bands;
 619         struct mwifiex_chan_scan_param_set *scan_channels;
 620         u8 tx_lock_flag;
 621         struct mwifiex_sleep_params sleep_params;
 622         struct mwifiex_sleep_period sleep_period;
 623         u16 ps_mode;
 624         u32 ps_state;
 625         u8 need_to_wakeup;
 626         u16 multiple_dtim;
 627         u16 local_listen_interval;
 628         u16 null_pkt_interval;
 629         struct sk_buff *sleep_cfm;
 630         u16 bcn_miss_time_out;
 631         u16 adhoc_awake_period;
 632         u8 is_deep_sleep;
 633         u8 delay_null_pkt;
 634         u16 delay_to_ps;
 635         u16 enhanced_ps_mode;
 636         u8 pm_wakeup_card_req;
 637         u16 gen_null_pkt;
 638         u16 pps_uapsd_mode;
 639         u32 pm_wakeup_fw_try;
 640         u8 is_hs_configured;
 641         struct mwifiex_hs_config_param hs_cfg;
 642         u8 hs_activated;
 643         u16 hs_activate_wait_q_woken;
 644         wait_queue_head_t hs_activate_wait_q;
 645         bool is_suspended;
 646         u8 event_body[MAX_EVENT_SIZE];
 647         u32 hw_dot_11n_dev_cap;
 648         u8 hw_dev_mcs_support;
 649         u8 adhoc_11n_enabled;
 650         u8 chan_offset;
 651         struct mwifiex_dbg dbg;
 652         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 653         u32 arp_filter_size;
 654         u16 cmd_wait_q_required;
 655         struct mwifiex_wait_queue cmd_wait_q;
 656         u8 scan_wait_q_woken;
 657         struct cmd_ctrl_node *cmd_queued;
 658 };
 659
 660 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 661
 662 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 663
 664 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 665
 666 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 667
 668 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 669
 670 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 671
 672 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 673
 674 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 675
 676 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 677                          struct cmd_ctrl_node *cmd_node);
 678
 679 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 680                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 681
 682 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 683                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 684
 685 void mwifiex_cmd_timeout_func(unsigned long function_context);
 686
 687 int mwifiex_get_debug_info(struct mwifiex_private *,
 688                            struct mwifiex_debug_info *);
 689
 690 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 691 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 692 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 693 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 694
 695 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 696                                   struct cmd_ctrl_node *cmd_node);
 697
 698 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 699                                      struct cmd_ctrl_node *cmd_node,
 700                                      u32 addtail);
 701
 702 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 703 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 704 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 705                              struct sk_buff *skb);
 706 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 707                        struct mwifiex_tx_param *tx_param);
 708 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 709 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 710                                 struct sk_buff *skb, int status);
 711 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 712 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 713 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 714 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 715                                         u32);
 716 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 717                                struct host_cmd_ds_command *cmd,
 718                                u16 cmd_action, uint16_t ps_bitmap,
 719                                struct mwifiex_ds_auto_ds *auto_ds);
 720 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 721                                struct host_cmd_ds_command *resp,
 722                                struct mwifiex_ds_pm_cfg *pm_cfg);
 723 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 724 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 725                                         u8 activated);
 726 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 727                               struct host_cmd_ds_command *resp);
 728 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 729                               struct sk_buff *skb);
 730 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 731                             u16 cmd_action, u32 cmd_oid,
 732                             void *data_buf, void *cmd_buf);
 733 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 734                                 struct host_cmd_ds_command *resp);
 735 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 736                                   struct sk_buff *skb);
 737 int mwifiex_process_sta_event(struct mwifiex_private *);
 738 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 739 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 740 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 741                             struct mwifiex_scan_cmd_config *scan_cfg);
 742 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 743                             struct cmd_ctrl_node *cmd_node);
 744 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 745                             struct host_cmd_ds_command *resp);
 746 s32 mwifiex_ssid_cmp(struct mwifiex_802_11_ssid *ssid1,
 747                        struct mwifiex_802_11_ssid *ssid2);
 748 int mwifiex_associate(struct mwifiex_private *priv,
 749                       struct mwifiex_bssdescriptor *bss_desc);
 750 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 751                                  struct host_cmd_ds_command *cmd,
 752                                  struct mwifiex_bssdescriptor *bss_desc);
 753 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 754                                  struct host_cmd_ds_command *resp);
 755 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 756 u8 mwifiex_band_to_radio_type(u8 band);
 757 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 758 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 759                         struct mwifiex_802_11_ssid *adhoc_ssid);
 760 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 761                        struct mwifiex_bssdescriptor *bss_desc);
 762 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 763                                     struct host_cmd_ds_command *cmd,
 764                                     struct mwifiex_802_11_ssid *req_ssid);
 765 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 766                                    struct host_cmd_ds_command *cmd,
 767                                    struct mwifiex_bssdescriptor *bss_desc);
 768 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 769                               struct host_cmd_ds_command *resp);
 770 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 771 struct mwifiex_chan_freq_power *
 772                         mwifiex_get_cfp_by_band_and_channel_from_cfg80211(
 773                                                 struct mwifiex_private *priv,
 774                                                 u8 band, u16 channel);
 775 struct mwifiex_chan_freq_power *mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
 776                                                 struct mwifiex_private *priv,
 777                                                 u8 band, u32 freq);
 778 u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info);
 779 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 780 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 781                                 u8 **buffer);
 782 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 783                                     u8 *rates);
 784 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 785 u8 mwifiex_data_rate_to_index(u32 rate);
 786 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 787 int mwifiex_get_rate_index(u16 *rateBitmap, int size);
 788 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 789 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 790 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 791 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 792                             struct host_cmd_ds_command *cmd);
 793 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 794                             struct host_cmd_ds_command *resp);
 795 int is_command_pending(struct mwifiex_adapter *adapter);
 796 void mwifiex_init_priv_params(struct mwifiex_private *priv,
 797                                                 struct net_device *dev);
 798
 799 /*
 800  * This function checks if the queuing is RA based or not.
 801  */
 802 static inline u8
 803 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 804 {
 805         /*
 806          * Currently we assume if we are in Infra, then DA=RA. This might not be
 807          * true in the future
 808          */
 809         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 810             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 811                 return false;
 812
 813         return true;
 814 }
 815
 816 /*
 817  * This function copies rates.
 818  */
 819 static inline u32
 820 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 821 {
 822         int i;
 823
 824         for (i = 0; i < len && src[i]; i++, pos++) {
 825                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 826                         break;
 827                 dest[pos] = src[i];
 828         }
 829
 830         return pos;
 831 }
 832
 833 /*
 834  * This function returns the correct private structure pointer based
 835  * upon the BSS type and BSS number.
 836  */
 837 static inline struct mwifiex_private *
 838 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 839                        u8 bss_num, u8 bss_type)
 840 {
 841         int i;
 842
 843         for (i = 0; i < adapter->priv_num; i++) {
 844                 if (adapter->priv[i]) {
 845                         if ((adapter->priv[i]->bss_num == bss_num)
 846                             && (adapter->priv[i]->bss_type == bss_type))
 847                                 break;
 848                 }
 849         }
 850         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 851 }
 852
 853 /*
 854  * This function returns the first available private structure pointer
 855  * based upon the BSS role.
 856  */
 857 static inline struct mwifiex_private *
 858 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 859                  enum mwifiex_bss_role bss_role)
 860 {
 861         int i;
 862
 863         for (i = 0; i < adapter->priv_num; i++) {
 864                 if (adapter->priv[i]) {
 865                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 866                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 867                                 break;
 868                 }
 869         }
 870
 871         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 872 }
 873
 874 /*
 875  * This function returns the driver private structure of a network device.
 876  */
 877 static inline struct mwifiex_private *
 878 mwifiex_netdev_get_priv(struct net_device *dev)
 879 {
 880         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 881 }
 882
 883 struct mwifiex_private *mwifiex_bss_index_to_priv(struct mwifiex_adapter
 884                                                 *adapter, u8 bss_index);
 885 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 886                              u32 func_init_shutdown);
 887 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
 888 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 889
 890 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 891                          int maxlen);
 892 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 893                         struct mwifiex_multicast_list *mcast_list);
 894 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 895                             struct net_device *dev);
 896 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 897 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 898                       struct mwifiex_802_11_ssid *req_ssid);
 899 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 900 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 901 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
 902 int mwifiex_get_signal_info(struct mwifiex_private *priv,
 903                             struct mwifiex_ds_get_signal *signal);
 904 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 905                               struct mwifiex_rate_cfg *rate);
 906 int mwifiex_request_scan(struct mwifiex_private *priv,
 907                          struct mwifiex_802_11_ssid *req_ssid);
 908 int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
 909                                 struct mwifiex_user_scan_cfg *scan_req);
 910 int mwifiex_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 911 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 912
 913 int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 914
 915 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
 916                        int key_len, u8 key_index, int disable);
 917
 918 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 919
 920 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 921
 922 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 923                            struct mwifiex_ds_get_stats *log);
 924
 925 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 926                       u32 reg_offset, u32 reg_value);
 927
 928 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 929                      u32 reg_offset, u32 *value);
 930
 931 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
 932                         u8 *value);
 933
 934 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
 935
 936 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
 937
 938 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
 939
 940 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
 941
 942 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
 943
 944 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
 945                                    char *version, int max_len);
 946
 947 int mwifiex_set_tx_power(struct mwifiex_private *priv,
 948                          struct mwifiex_power_cfg *power_cfg);
 949
 950 int mwifiex_main_process(struct mwifiex_adapter *);
 951
 952 int mwifiex_bss_set_channel(struct mwifiex_private *,
 953                             struct mwifiex_chan_freq_power *cfp);
 954 int mwifiex_set_radio_band_cfg(struct mwifiex_private *,
 955                          struct mwifiex_ds_band_cfg *);
 956 int mwifiex_get_bss_info(struct mwifiex_private *,
 957                          struct mwifiex_bss_info *);
 958 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 959                               u8 *bssid, s32 rssi, u8 *ie_buf,
 960                               size_t ie_len, u16 beacon_period,
 961                               u16 cap_info_bitmap, u8 band,
 962                               struct mwifiex_bssdescriptor *bss_desc);
 963 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 964                                 struct mwifiex_bssdescriptor *bss_entry,
 965                                 u8 *ie_buf, u32 ie_len);
 966 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
 967                                         struct mwifiex_bssdescriptor *bss_desc);
 968
 969 struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
 970                                         char *name, enum nl80211_iftype type,
 971                                         u32 *flags, struct vif_params *params);
 972 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev);
 973
 974
 975 #ifdef CONFIG_DEBUG_FS
 976 void mwifiex_debugfs_init(void);
 977 void mwifiex_debugfs_remove(void);
 978
 979 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
 980 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
 981 #endif
 982 #endif /* !_MWIFIEX_MAIN_H_ */