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_MAX_EMPTY_TX_Q_CNT                      10
  92 #define MWIFIEX_SCAN_DELAY_MSEC                         20
  93
  94 #define RSN_GTK_OUI_OFFSET                              2
  95
  96 #define MWIFIEX_OUI_NOT_PRESENT                 0
  97 #define MWIFIEX_OUI_PRESENT                             1
  98
  99 /*
 100  * Do not check for data_received for USB, as data_received
 101  * is handled in mwifiex_usb_recv for USB
 102  */
 103 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 104                                 adapter->event_received || \
 105                                 ((adapter->iface_type != MWIFIEX_USB) && \
 106                                 adapter->data_received) || \
 107                                 ((adapter->iface_type == MWIFIEX_USB) && \
 108                                 !skb_queue_empty(&adapter->usb_rx_data_q)))
 109
 110 #define MWIFIEX_TYPE_CMD                                1
 111 #define MWIFIEX_TYPE_DATA                               0
 112 #define MWIFIEX_TYPE_EVENT                              3
 113
 114 #define DBG_CMD_NUM                                             5
 115
 116 #define MAX_BITMAP_RATES_SIZE                   10
 117
 118 #define MAX_CHANNEL_BAND_BG     14
 119 #define MAX_CHANNEL_BAND_A      165
 120
 121 #define MAX_FREQUENCY_BAND_BG   2484
 122
 123 #define MWIFIEX_EVENT_HEADER_LEN           4
 124 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER     2
 125
 126 #define MWIFIEX_TYPE_LEN                        4
 127 #define MWIFIEX_USB_TYPE_CMD                    0xF00DFACE
 128 #define MWIFIEX_USB_TYPE_DATA                   0xBEADC0DE
 129 #define MWIFIEX_USB_TYPE_EVENT                  0xBEEFFACE
 130
 131 struct mwifiex_dbg {
 132         u32 num_cmd_host_to_card_failure;
 133         u32 num_cmd_sleep_cfm_host_to_card_failure;
 134         u32 num_tx_host_to_card_failure;
 135         u32 num_event_deauth;
 136         u32 num_event_disassoc;
 137         u32 num_event_link_lost;
 138         u32 num_cmd_deauth;
 139         u32 num_cmd_assoc_success;
 140         u32 num_cmd_assoc_failure;
 141         u32 num_tx_timeout;
 142         u32 num_cmd_timeout;
 143         u16 timeout_cmd_id;
 144         u16 timeout_cmd_act;
 145         u16 last_cmd_id[DBG_CMD_NUM];
 146         u16 last_cmd_act[DBG_CMD_NUM];
 147         u16 last_cmd_index;
 148         u16 last_cmd_resp_id[DBG_CMD_NUM];
 149         u16 last_cmd_resp_index;
 150         u16 last_event[DBG_CMD_NUM];
 151         u16 last_event_index;
 152 };
 153
 154 enum MWIFIEX_HARDWARE_STATUS {
 155         MWIFIEX_HW_STATUS_READY,
 156         MWIFIEX_HW_STATUS_INITIALIZING,
 157         MWIFIEX_HW_STATUS_FW_READY,
 158         MWIFIEX_HW_STATUS_INIT_DONE,
 159         MWIFIEX_HW_STATUS_RESET,
 160         MWIFIEX_HW_STATUS_CLOSING,
 161         MWIFIEX_HW_STATUS_NOT_READY
 162 };
 163
 164 enum MWIFIEX_802_11_POWER_MODE {
 165         MWIFIEX_802_11_POWER_MODE_CAM,
 166         MWIFIEX_802_11_POWER_MODE_PSP
 167 };
 168
 169 struct mwifiex_tx_param {
 170         u32 next_pkt_len;
 171 };
 172
 173 enum MWIFIEX_PS_STATE {
 174         PS_STATE_AWAKE,
 175         PS_STATE_PRE_SLEEP,
 176         PS_STATE_SLEEP_CFM,
 177         PS_STATE_SLEEP
 178 };
 179
 180 enum mwifiex_iface_type {
 181         MWIFIEX_SDIO,
 182         MWIFIEX_PCIE,
 183         MWIFIEX_USB
 184 };
 185
 186 struct mwifiex_add_ba_param {
 187         u32 tx_win_size;
 188         u32 rx_win_size;
 189         u32 timeout;
 190 };
 191
 192 struct mwifiex_tx_aggr {
 193         u8 ampdu_user;
 194         u8 ampdu_ap;
 195         u8 amsdu;
 196 };
 197
 198 struct mwifiex_ra_list_tbl {
 199         struct list_head list;
 200         struct sk_buff_head skb_head;
 201         u8 ra[ETH_ALEN];
 202         u32 total_pkts_size;
 203         u32 is_11n_enabled;
 204         u16 max_amsdu;
 205         u16 pkt_count;
 206         u8 ba_packet_thr;
 207 };
 208
 209 struct mwifiex_tid_tbl {
 210         struct list_head ra_list;
 211         /* spin lock for tid table */
 212         spinlock_t tid_tbl_lock;
 213         struct mwifiex_ra_list_tbl *ra_list_curr;
 214 };
 215
 216 #define WMM_HIGHEST_PRIORITY            7
 217 #define HIGH_PRIO_TID                           7
 218 #define LOW_PRIO_TID                            0
 219 #define NO_PKT_PRIO_TID                         (-1)
 220
 221 struct mwifiex_wmm_desc {
 222         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 223         u32 packets_out[MAX_NUM_TID];
 224         /* spin lock to protect ra_list */
 225         spinlock_t ra_list_spinlock;
 226         struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
 227         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
 228         u32 drv_pkt_delay_max;
 229         u8 queue_priority[IEEE80211_NUM_ACS];
 230         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 231         /* Number of transmit packets queued */
 232         atomic_t tx_pkts_queued;
 233         /* Tracks highest priority with a packet queued */
 234         atomic_t highest_queued_prio;
 235 };
 236
 237 struct mwifiex_802_11_security {
 238         u8 wpa_enabled;
 239         u8 wpa2_enabled;
 240         u8 wapi_enabled;
 241         u8 wapi_key_on;
 242         u8 wep_enabled;
 243         u32 authentication_mode;
 244         u8 is_authtype_auto;
 245         u32 encryption_mode;
 246 };
 247
 248 struct ieee_types_header {
 249         u8 element_id;
 250         u8 len;
 251 } __packed;
 252
 253 struct ieee_types_vendor_specific {
 254         struct ieee_types_vendor_header vend_hdr;
 255         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 256 } __packed;
 257
 258 struct ieee_types_generic {
 259         struct ieee_types_header ieee_hdr;
 260         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 261 } __packed;
 262
 263 struct mwifiex_bssdescriptor {
 264         u8 mac_address[ETH_ALEN];
 265         struct cfg80211_ssid ssid;
 266         u32 privacy;
 267         s32 rssi;
 268         u32 channel;
 269         u32 freq;
 270         u16 beacon_period;
 271         u8 erp_flags;
 272         u32 bss_mode;
 273         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 274         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 275         /* Network band.
 276          * BAND_B(0x01): 'b' band
 277          * BAND_G(0x02): 'g' band
 278          * BAND_A(0X04): 'a' band
 279          */
 280         u16 bss_band;
 281         u64 fw_tsf;
 282         u64 timestamp;
 283         union ieee_types_phy_param_set phy_param_set;
 284         union ieee_types_ss_param_set ss_param_set;
 285         u16 cap_info_bitmap;
 286         struct ieee_types_wmm_parameter wmm_ie;
 287         u8  disable_11n;
 288         struct ieee80211_ht_cap *bcn_ht_cap;
 289         u16 ht_cap_offset;
 290         struct ieee80211_ht_operation *bcn_ht_oper;
 291         u16 ht_info_offset;
 292         u8 *bcn_bss_co_2040;
 293         u16 bss_co_2040_offset;
 294         u8 *bcn_ext_cap;
 295         u16 ext_cap_offset;
 296         struct ieee_types_vendor_specific *bcn_wpa_ie;
 297         u16 wpa_offset;
 298         struct ieee_types_generic *bcn_rsn_ie;
 299         u16 rsn_offset;
 300         struct ieee_types_generic *bcn_wapi_ie;
 301         u16 wapi_offset;
 302         u8 *beacon_buf;
 303         u32 beacon_buf_size;
 304 };
 305
 306 struct mwifiex_current_bss_params {
 307         struct mwifiex_bssdescriptor bss_descriptor;
 308         u8 wmm_enabled;
 309         u8 wmm_uapsd_enabled;
 310         u8 band;
 311         u32 num_of_rates;
 312         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 313 };
 314
 315 struct mwifiex_sleep_params {
 316         u16 sp_error;
 317         u16 sp_offset;
 318         u16 sp_stable_time;
 319         u8 sp_cal_control;
 320         u8 sp_ext_sleep_clk;
 321         u16 sp_reserved;
 322 };
 323
 324 struct mwifiex_sleep_period {
 325         u16 period;
 326         u16 reserved;
 327 };
 328
 329 struct mwifiex_wep_key {
 330         u32 length;
 331         u32 key_index;
 332         u32 key_length;
 333         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 334 };
 335
 336 #define MAX_REGION_CHANNEL_NUM  2
 337
 338 struct mwifiex_chan_freq_power {
 339         u16 channel;
 340         u32 freq;
 341         u16 max_tx_power;
 342         u8 unsupported;
 343 };
 344
 345 enum state_11d_t {
 346         DISABLE_11D = 0,
 347         ENABLE_11D = 1,
 348 };
 349
 350 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 351
 352 struct mwifiex_802_11d_domain_reg {
 353         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 354         u8 no_of_triplet;
 355         struct ieee80211_country_ie_triplet
 356                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 357 };
 358
 359 struct mwifiex_vendor_spec_cfg_ie {
 360         u16 mask;
 361         u16 flag;
 362         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 363 };
 364
 365 struct wps {
 366         u8 session_enable;
 367 };
 368
 369 struct mwifiex_adapter;
 370 struct mwifiex_private;
 371
 372 struct mwifiex_private {
 373         struct mwifiex_adapter *adapter;
 374         u8 bss_type;
 375         u8 bss_role;
 376         u8 bss_priority;
 377         u8 bss_num;
 378         u8 bss_started;
 379         u8 frame_type;
 380         u8 curr_addr[ETH_ALEN];
 381         u8 media_connected;
 382         u32 num_tx_timeout;
 383         struct net_device *netdev;
 384         struct net_device_stats stats;
 385         u16 curr_pkt_filter;
 386         u32 bss_mode;
 387         u32 pkt_tx_ctrl;
 388         u16 tx_power_level;
 389         u8 max_tx_power_level;
 390         u8 min_tx_power_level;
 391         u8 tx_rate;
 392         u8 tx_htinfo;
 393         u8 rxpd_htinfo;
 394         u8 rxpd_rate;
 395         u16 rate_bitmap;
 396         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 397         u32 data_rate;
 398         u8 is_data_rate_auto;
 399         u16 bcn_avg_factor;
 400         u16 data_avg_factor;
 401         s16 data_rssi_last;
 402         s16 data_nf_last;
 403         s16 data_rssi_avg;
 404         s16 data_nf_avg;
 405         s16 bcn_rssi_last;
 406         s16 bcn_nf_last;
 407         s16 bcn_rssi_avg;
 408         s16 bcn_nf_avg;
 409         struct mwifiex_bssdescriptor *attempted_bss_desc;
 410         struct cfg80211_ssid prev_ssid;
 411         u8 prev_bssid[ETH_ALEN];
 412         struct mwifiex_current_bss_params curr_bss_params;
 413         u16 beacon_period;
 414         u8 dtim_period;
 415         u16 listen_interval;
 416         u16 atim_window;
 417         u8 adhoc_channel;
 418         u8 adhoc_is_link_sensed;
 419         u8 adhoc_state;
 420         struct mwifiex_802_11_security sec_info;
 421         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 422         u16 wep_key_curr_index;
 423         u8 wpa_ie[256];
 424         u8 wpa_ie_len;
 425         u8 wpa_is_gtk_set;
 426         struct host_cmd_ds_802_11_key_material aes_key;
 427         u8 wapi_ie[256];
 428         u8 wapi_ie_len;
 429         u8 *wps_ie;
 430         u8 wps_ie_len;
 431         u8 wmm_required;
 432         u8 wmm_enabled;
 433         u8 wmm_qosinfo;
 434         struct mwifiex_wmm_desc wmm;
 435         struct list_head sta_list;
 436         /* spin lock for associated station list */
 437         spinlock_t sta_list_spinlock;
 438         struct list_head tx_ba_stream_tbl_ptr;
 439         /* spin lock for tx_ba_stream_tbl_ptr queue */
 440         spinlock_t tx_ba_stream_tbl_lock;
 441         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 442         struct mwifiex_add_ba_param add_ba_param;
 443         u16 rx_seq[MAX_NUM_TID];
 444         struct list_head rx_reorder_tbl_ptr;
 445         /* spin lock for rx_reorder_tbl_ptr queue */
 446         spinlock_t rx_reorder_tbl_lock;
 447         /* spin lock for Rx packets */
 448         spinlock_t rx_pkt_lock;
 449
 450 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 451         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 452         u32 assoc_rsp_size;
 453
 454 #define MWIFIEX_GENIE_BUF_SIZE      256
 455         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 456         u8 gen_ie_buf_len;
 457
 458         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 459
 460 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 461         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 462         u8 assoc_tlv_buf_len;
 463
 464         u8 *curr_bcn_buf;
 465         u32 curr_bcn_size;
 466         /* spin lock for beacon buffer */
 467         spinlock_t curr_bcn_buf_lock;
 468         struct wireless_dev *wdev;
 469         struct mwifiex_chan_freq_power cfp;
 470         char version_str[128];
 471 #ifdef CONFIG_DEBUG_FS
 472         struct dentry *dfs_dev_dir;
 473 #endif
 474         u8 nick_name[16];
 475         u16 current_key_index;
 476         struct semaphore async_sem;
 477         u8 scan_pending_on_block;
 478         u8 report_scan_result;
 479         struct cfg80211_scan_request *scan_request;
 480         struct mwifiex_user_scan_cfg *user_scan_cfg;
 481         u8 cfg_bssid[6];
 482         struct wps wps;
 483         u8 scan_block;
 484         s32 cqm_rssi_thold;
 485         u32 cqm_rssi_hyst;
 486         u8 subsc_evt_rssi_state;
 487         struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
 488         u16 beacon_idx;
 489         u16 proberesp_idx;
 490         u16 assocresp_idx;
 491         u16 rsn_idx;
 492         struct timer_list scan_delay_timer;
 493         u8 ap_11n_enabled;
 494 };
 495
 496 enum mwifiex_ba_status {
 497         BA_SETUP_NONE = 0,
 498         BA_SETUP_INPROGRESS,
 499         BA_SETUP_COMPLETE
 500 };
 501
 502 struct mwifiex_tx_ba_stream_tbl {
 503         struct list_head list;
 504         int tid;
 505         u8 ra[ETH_ALEN];
 506         enum mwifiex_ba_status ba_status;
 507 };
 508
 509 struct mwifiex_rx_reorder_tbl;
 510
 511 struct reorder_tmr_cnxt {
 512         struct timer_list timer;
 513         struct mwifiex_rx_reorder_tbl *ptr;
 514         struct mwifiex_private *priv;
 515 };
 516
 517 struct mwifiex_rx_reorder_tbl {
 518         struct list_head list;
 519         int tid;
 520         u8 ta[ETH_ALEN];
 521         int start_win;
 522         int win_size;
 523         void **rx_reorder_ptr;
 524         struct reorder_tmr_cnxt timer_context;
 525 };
 526
 527 struct mwifiex_bss_prio_node {
 528         struct list_head list;
 529         struct mwifiex_private *priv;
 530 };
 531
 532 struct mwifiex_bss_prio_tbl {
 533         struct list_head bss_prio_head;
 534         /* spin lock for bss priority  */
 535         spinlock_t bss_prio_lock;
 536         struct mwifiex_bss_prio_node *bss_prio_cur;
 537 };
 538
 539 struct cmd_ctrl_node {
 540         struct list_head list;
 541         struct mwifiex_private *priv;
 542         u32 cmd_oid;
 543         u32 cmd_flag;
 544         struct sk_buff *cmd_skb;
 545         struct sk_buff *resp_skb;
 546         void *data_buf;
 547         u32 wait_q_enabled;
 548         struct sk_buff *skb;
 549         u8 *condition;
 550         u8 cmd_wait_q_woken;
 551 };
 552
 553 struct mwifiex_bss_priv {
 554         u8 band;
 555         u64 fw_tsf;
 556 };
 557
 558 /* This is AP specific structure which stores information
 559  * about associated STA
 560  */
 561 struct mwifiex_sta_node {
 562         struct list_head list;
 563         u8 mac_addr[ETH_ALEN];
 564         u8 is_wmm_enabled;
 565         u8 is_11n_enabled;
 566         u8 ampdu_sta[MAX_NUM_TID];
 567         u16 rx_seq[MAX_NUM_TID];
 568         u16 max_amsdu;
 569 };
 570
 571 struct mwifiex_if_ops {
 572         int (*init_if) (struct mwifiex_adapter *);
 573         void (*cleanup_if) (struct mwifiex_adapter *);
 574         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 575         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 576         int (*register_dev) (struct mwifiex_adapter *);
 577         void (*unregister_dev) (struct mwifiex_adapter *);
 578         int (*enable_int) (struct mwifiex_adapter *);
 579         int (*process_int_status) (struct mwifiex_adapter *);
 580         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 581                              struct mwifiex_tx_param *);
 582         int (*wakeup) (struct mwifiex_adapter *);
 583         int (*wakeup_complete) (struct mwifiex_adapter *);
 584
 585         /* Interface specific functions */
 586         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 587         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 588         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 589         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 590         int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
 591         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 592 };
 593
 594 struct mwifiex_adapter {
 595         u8 iface_type;
 596         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 597         u8 priv_num;
 598         const struct firmware *firmware;
 599         char fw_name[32];
 600         int winner;
 601         struct device *dev;
 602         struct wiphy *wiphy;
 603         bool surprise_removed;
 604         u32 fw_release_number;
 605         u16 init_wait_q_woken;
 606         wait_queue_head_t init_wait_q;
 607         void *card;
 608         struct mwifiex_if_ops if_ops;
 609         atomic_t rx_pending;
 610         atomic_t tx_pending;
 611         atomic_t cmd_pending;
 612         struct workqueue_struct *workqueue;
 613         struct work_struct main_work;
 614         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 615         /* spin lock for init/shutdown */
 616         spinlock_t mwifiex_lock;
 617         /* spin lock for main process */
 618         spinlock_t main_proc_lock;
 619         u32 mwifiex_processing;
 620         u16 max_tx_buf_size;
 621         u16 tx_buf_size;
 622         u16 curr_tx_buf_size;
 623         u32 ioport;
 624         enum MWIFIEX_HARDWARE_STATUS hw_status;
 625         u16 number_of_antenna;
 626         u32 fw_cap_info;
 627         /* spin lock for interrupt handling */
 628         spinlock_t int_lock;
 629         u8 int_status;
 630         u32 event_cause;
 631         struct sk_buff *event_skb;
 632         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 633         u8 data_sent;
 634         u8 cmd_sent;
 635         u8 cmd_resp_received;
 636         u8 event_received;
 637         u8 data_received;
 638         u16 seq_num;
 639         struct cmd_ctrl_node *cmd_pool;
 640         struct cmd_ctrl_node *curr_cmd;
 641         /* spin lock for command */
 642         spinlock_t mwifiex_cmd_lock;
 643         u32 num_cmd_timeout;
 644         u16 last_init_cmd;
 645         struct timer_list cmd_timer;
 646         struct list_head cmd_free_q;
 647         /* spin lock for cmd_free_q */
 648         spinlock_t cmd_free_q_lock;
 649         struct list_head cmd_pending_q;
 650         /* spin lock for cmd_pending_q */
 651         spinlock_t cmd_pending_q_lock;
 652         struct list_head scan_pending_q;
 653         /* spin lock for scan_pending_q */
 654         spinlock_t scan_pending_q_lock;
 655         struct sk_buff_head usb_rx_data_q;
 656         u32 scan_processing;
 657         u16 region_code;
 658         struct mwifiex_802_11d_domain_reg domain_reg;
 659         u16 scan_probes;
 660         u32 scan_mode;
 661         u16 specific_scan_time;
 662         u16 active_scan_time;
 663         u16 passive_scan_time;
 664         u8 fw_bands;
 665         u8 adhoc_start_band;
 666         u8 config_bands;
 667         struct mwifiex_chan_scan_param_set *scan_channels;
 668         u8 tx_lock_flag;
 669         struct mwifiex_sleep_params sleep_params;
 670         struct mwifiex_sleep_period sleep_period;
 671         u16 ps_mode;
 672         u32 ps_state;
 673         u8 need_to_wakeup;
 674         u16 multiple_dtim;
 675         u16 local_listen_interval;
 676         u16 null_pkt_interval;
 677         struct sk_buff *sleep_cfm;
 678         u16 bcn_miss_time_out;
 679         u16 adhoc_awake_period;
 680         u8 is_deep_sleep;
 681         u8 delay_null_pkt;
 682         u16 delay_to_ps;
 683         u16 enhanced_ps_mode;
 684         u8 pm_wakeup_card_req;
 685         u16 gen_null_pkt;
 686         u16 pps_uapsd_mode;
 687         u32 pm_wakeup_fw_try;
 688         u8 is_hs_configured;
 689         struct mwifiex_hs_config_param hs_cfg;
 690         u8 hs_activated;
 691         u16 hs_activate_wait_q_woken;
 692         wait_queue_head_t hs_activate_wait_q;
 693         bool is_suspended;
 694         u8 event_body[MAX_EVENT_SIZE];
 695         u32 hw_dot_11n_dev_cap;
 696         u8 hw_dev_mcs_support;
 697         u8 adhoc_11n_enabled;
 698         u8 sec_chan_offset;
 699         struct mwifiex_dbg dbg;
 700         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 701         u32 arp_filter_size;
 702         u16 cmd_wait_q_required;
 703         struct mwifiex_wait_queue cmd_wait_q;
 704         u8 scan_wait_q_woken;
 705         struct cmd_ctrl_node *cmd_queued;
 706         spinlock_t queue_lock;          /* lock for tx queues */
 707         struct completion fw_load;
 708         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 709         u16 max_mgmt_ie_index;
 710         u8 scan_delay_cnt;
 711         u8 empty_tx_q_cnt;
 712         atomic_t is_tx_received;
 713         atomic_t pending_bridged_pkts;
 714 };
 715
 716 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 717
 718 void mwifiex_set_trans_start(struct net_device *dev);
 719
 720 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
 721                 struct mwifiex_adapter *adapter);
 722
 723 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
 724                 struct mwifiex_adapter *adapter);
 725
 726 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 727
 728 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 729
 730 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 731
 732 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 733
 734 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 735
 736 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 737
 738 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 739
 740 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 741                          struct cmd_ctrl_node *cmd_node);
 742
 743 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 744                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 745
 746 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 747                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 748
 749 void mwifiex_cmd_timeout_func(unsigned long function_context);
 750
 751 int mwifiex_get_debug_info(struct mwifiex_private *,
 752                            struct mwifiex_debug_info *);
 753
 754 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 755 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 756 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 757 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 758
 759 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 760                                   struct cmd_ctrl_node *cmd_node);
 761
 762 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 763                                      struct cmd_ctrl_node *cmd_node,
 764                                      u32 addtail);
 765
 766 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 767 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 768 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 769                              struct sk_buff *skb);
 770 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 771                        struct mwifiex_tx_param *tx_param);
 772 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 773 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 774                                 struct sk_buff *skb, int status);
 775 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 776 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 777 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 778 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 779                                         u32);
 780 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 781                                struct host_cmd_ds_command *cmd,
 782                                u16 cmd_action, uint16_t ps_bitmap,
 783                                struct mwifiex_ds_auto_ds *auto_ds);
 784 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 785                                struct host_cmd_ds_command *resp,
 786                                struct mwifiex_ds_pm_cfg *pm_cfg);
 787 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 788 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 789                                         u8 activated);
 790 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 791                               struct host_cmd_ds_command *resp);
 792 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 793                               struct sk_buff *skb);
 794 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 795                             u16 cmd_action, u32 cmd_oid,
 796                             void *data_buf, void *cmd_buf);
 797 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 798                             u16 cmd_action, u32 cmd_oid,
 799                             void *data_buf, void *cmd_buf);
 800 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 801                                 struct host_cmd_ds_command *resp);
 802 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 803                                   struct sk_buff *skb);
 804 int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
 805                                   struct sk_buff *skb);
 806 int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
 807                                   struct sk_buff *skb);
 808 int mwifiex_process_sta_event(struct mwifiex_private *);
 809 int mwifiex_process_uap_event(struct mwifiex_private *);
 810 struct mwifiex_sta_node *
 811 mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
 812 void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
 813 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 814 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 815 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 816                             struct mwifiex_scan_cmd_config *scan_cfg);
 817 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 818                             struct cmd_ctrl_node *cmd_node);
 819 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 820                             struct host_cmd_ds_command *resp);
 821 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
 822 int mwifiex_associate(struct mwifiex_private *priv,
 823                       struct mwifiex_bssdescriptor *bss_desc);
 824 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 825                                  struct host_cmd_ds_command *cmd,
 826                                  struct mwifiex_bssdescriptor *bss_desc);
 827 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 828                                  struct host_cmd_ds_command *resp);
 829 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 830 u8 mwifiex_band_to_radio_type(u8 band);
 831 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 832 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 833                         struct cfg80211_ssid *adhoc_ssid);
 834 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 835                        struct mwifiex_bssdescriptor *bss_desc);
 836 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 837                                     struct host_cmd_ds_command *cmd,
 838                                     struct cfg80211_ssid *req_ssid);
 839 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 840                                    struct host_cmd_ds_command *cmd,
 841                                    struct mwifiex_bssdescriptor *bss_desc);
 842 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 843                               struct host_cmd_ds_command *resp);
 844 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 845 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
 846                                                 u8 band, u16 channel, u32 freq);
 847 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
 848                                                         u8 ht_info);
 849 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 850 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 851                                 u8 **buffer);
 852 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 853                                     u8 *rates);
 854 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 855 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 856 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 857 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 858 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 859 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 860                             struct host_cmd_ds_command *cmd);
 861 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 862                             struct host_cmd_ds_command *resp);
 863 int is_command_pending(struct mwifiex_adapter *adapter);
 864 void mwifiex_init_priv_params(struct mwifiex_private *priv,
 865                                                 struct net_device *dev);
 866 int mwifiex_set_secure_params(struct mwifiex_private *priv,
 867                               struct mwifiex_uap_bss_param *bss_config,
 868                               struct cfg80211_ap_settings *params);
 869 void mwifiex_set_ht_params(struct mwifiex_private *priv,
 870                            struct mwifiex_uap_bss_param *bss_cfg,
 871                            struct cfg80211_ap_settings *params);
 872 void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 873                            struct cfg80211_ap_settings *params);
 874
 875 /*
 876  * This function checks if the queuing is RA based or not.
 877  */
 878 static inline u8
 879 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 880 {
 881         /*
 882          * Currently we assume if we are in Infra, then DA=RA. This might not be
 883          * true in the future
 884          */
 885         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 886             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 887                 return false;
 888
 889         return true;
 890 }
 891
 892 /*
 893  * This function copies rates.
 894  */
 895 static inline u32
 896 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 897 {
 898         int i;
 899
 900         for (i = 0; i < len && src[i]; i++, pos++) {
 901                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 902                         break;
 903                 dest[pos] = src[i];
 904         }
 905
 906         return pos;
 907 }
 908
 909 /*
 910  * This function returns the correct private structure pointer based
 911  * upon the BSS type and BSS number.
 912  */
 913 static inline struct mwifiex_private *
 914 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 915                        u8 bss_num, u8 bss_type)
 916 {
 917         int i;
 918
 919         for (i = 0; i < adapter->priv_num; i++) {
 920                 if (adapter->priv[i]) {
 921                         if ((adapter->priv[i]->bss_num == bss_num) &&
 922                             (adapter->priv[i]->bss_type == bss_type))
 923                                 break;
 924                 }
 925         }
 926         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 927 }
 928
 929 /*
 930  * This function returns the first available private structure pointer
 931  * based upon the BSS role.
 932  */
 933 static inline struct mwifiex_private *
 934 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 935                  enum mwifiex_bss_role bss_role)
 936 {
 937         int i;
 938
 939         for (i = 0; i < adapter->priv_num; i++) {
 940                 if (adapter->priv[i]) {
 941                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 942                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 943                                 break;
 944                 }
 945         }
 946
 947         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 948 }
 949
 950 /*
 951  * This function returns the driver private structure of a network device.
 952  */
 953 static inline struct mwifiex_private *
 954 mwifiex_netdev_get_priv(struct net_device *dev)
 955 {
 956         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 957 }
 958
 959 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 960                              u32 func_init_shutdown);
 961 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
 962 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 963
 964 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 965                          int maxlen);
 966 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 967                         struct mwifiex_multicast_list *mcast_list);
 968 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 969                             struct net_device *dev);
 970 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 971 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 972                       struct cfg80211_ssid *req_ssid);
 973 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 974 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 975 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
 976 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate);
 977 int mwifiex_request_scan(struct mwifiex_private *priv,
 978                          struct cfg80211_ssid *req_ssid);
 979 int mwifiex_scan_networks(struct mwifiex_private *priv,
 980                           const struct mwifiex_user_scan_cfg *user_scan_in);
 981 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 982
 983 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
 984                        const u8 *key, int key_len, u8 key_index,
 985                        const u8 *mac_addr, int disable);
 986
 987 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 988
 989 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 990
 991 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 992                            struct mwifiex_ds_get_stats *log);
 993
 994 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 995                       u32 reg_offset, u32 reg_value);
 996
 997 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 998                      u32 reg_offset, u32 *value);
 999
1000 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1001                         u8 *value);
1002
1003 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
1004
1005 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
1006
1007 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
1008
1009 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
1010
1011 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
1012
1013 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
1014                                    char *version, int max_len);
1015
1016 int mwifiex_set_tx_power(struct mwifiex_private *priv,
1017                          struct mwifiex_power_cfg *power_cfg);
1018
1019 int mwifiex_main_process(struct mwifiex_adapter *);
1020
1021 int mwifiex_get_bss_info(struct mwifiex_private *,
1022                          struct mwifiex_bss_info *);
1023 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
1024                               struct cfg80211_bss *bss,
1025                               struct mwifiex_bssdescriptor *bss_desc);
1026 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
1027                                     struct mwifiex_bssdescriptor *bss_entry);
1028 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
1029                                         struct mwifiex_bssdescriptor *bss_desc);
1030
1031 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1032                                               char *name,
1033                                               enum nl80211_iftype type,
1034                                               u32 *flags,
1035                                               struct vif_params *params);
1036 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
1037
1038 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
1039
1040 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
1041                          struct cfg80211_beacon_data *data);
1042 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
1043 u8 *mwifiex_11d_code_2_region(u8 code);
1044
1045 #ifdef CONFIG_DEBUG_FS
1046 void mwifiex_debugfs_init(void);
1047 void mwifiex_debugfs_remove(void);
1048
1049 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1050 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1051 #endif
1052 #endif /* !_MWIFIEX_MAIN_H_ */