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
  41 extern const char driver_version[];
  42 extern struct mwifiex_adapter *g_adapter;
  43
  44 enum {
  45         MWIFIEX_ASYNC_CMD,
  46         MWIFIEX_SYNC_CMD
  47 };
  48
  49 #define DRV_MODE_STA       0x1
  50
  51 #define SD8787_W0   0x30
  52 #define SD8787_W1   0x31
  53 #define SD8787_A0   0x40
  54 #define SD8787_A1   0x41
  55
  56 #define DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin"
  57 #define SD8787_W1_FW_NAME "mrvl/sd8787_uapsta_w1.bin"
  58 #define SD8787_AX_FW_NAME "mrvl/sd8787_uapsta.bin"
  59
  60 struct mwifiex_drv_mode {
  61         u16 drv_mode;
  62         u16 intf_num;
  63         struct mwifiex_bss_attr *bss_attr;
  64 };
  65
  66
  67 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT        (5 * HZ)
  68
  69 #define MWIFIEX_TIMER_10S                       10000
  70 #define MWIFIEX_TIMER_1S                        1000
  71
  72 #define MAX_TX_PENDING      60
  73
  74 #define MWIFIEX_UPLD_SIZE               (2312)
  75
  76 #define MAX_EVENT_SIZE                  1024
  77
  78 #define ARP_FILTER_MAX_BUF_SIZE         68
  79
  80 #define MWIFIEX_KEY_BUFFER_SIZE                 16
  81 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  82 #define MWIFIEX_MAX_REGION_CODE         7
  83
  84 #define DEFAULT_BCN_AVG_FACTOR          8
  85 #define DEFAULT_DATA_AVG_FACTOR         8
  86
  87 #define FIRST_VALID_CHANNEL                             0xff
  88 #define DEFAULT_AD_HOC_CHANNEL                  6
  89 #define DEFAULT_AD_HOC_CHANNEL_A                36
  90
  91 #define DEFAULT_BCN_MISS_TIMEOUT                5
  92
  93 #define MAX_SCAN_BEACON_BUFFER                  8000
  94
  95 #define SCAN_BEACON_ENTRY_PAD                   6
  96
  97 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME  200
  98 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   200
  99 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 110
 100
 101 #define SCAN_RSSI(RSSI)                                 (0x100 - ((u8)(RSSI)))
 102
 103 #define MWIFIEX_MAX_TOTAL_SCAN_TIME     (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
 104
 105 #define RSN_GTK_OUI_OFFSET                              2
 106
 107 #define MWIFIEX_OUI_NOT_PRESENT                 0
 108 #define MWIFIEX_OUI_PRESENT                             1
 109
 110 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 111                                         adapter->event_received || \
 112                                         adapter->data_received)
 113
 114 #define MWIFIEX_TYPE_CMD                                1
 115 #define MWIFIEX_TYPE_DATA                               0
 116 #define MWIFIEX_TYPE_EVENT                              3
 117
 118 #define DBG_CMD_NUM                                             5
 119
 120 #define MAX_BITMAP_RATES_SIZE                   10
 121
 122 #define MAX_CHANNEL_BAND_BG     14
 123
 124 #define MAX_FREQUENCY_BAND_BG   2484
 125
 126 struct mwifiex_dbg {
 127         u32 num_cmd_host_to_card_failure;
 128         u32 num_cmd_sleep_cfm_host_to_card_failure;
 129         u32 num_tx_host_to_card_failure;
 130         u32 num_event_deauth;
 131         u32 num_event_disassoc;
 132         u32 num_event_link_lost;
 133         u32 num_cmd_deauth;
 134         u32 num_cmd_assoc_success;
 135         u32 num_cmd_assoc_failure;
 136         u32 num_tx_timeout;
 137         u32 num_cmd_timeout;
 138         u16 timeout_cmd_id;
 139         u16 timeout_cmd_act;
 140         u16 last_cmd_id[DBG_CMD_NUM];
 141         u16 last_cmd_act[DBG_CMD_NUM];
 142         u16 last_cmd_index;
 143         u16 last_cmd_resp_id[DBG_CMD_NUM];
 144         u16 last_cmd_resp_index;
 145         u16 last_event[DBG_CMD_NUM];
 146         u16 last_event_index;
 147 };
 148
 149 enum MWIFIEX_HARDWARE_STATUS {
 150         MWIFIEX_HW_STATUS_READY,
 151         MWIFIEX_HW_STATUS_INITIALIZING,
 152         MWIFIEX_HW_STATUS_FW_READY,
 153         MWIFIEX_HW_STATUS_INIT_DONE,
 154         MWIFIEX_HW_STATUS_RESET,
 155         MWIFIEX_HW_STATUS_CLOSING,
 156         MWIFIEX_HW_STATUS_NOT_READY
 157 };
 158
 159 enum MWIFIEX_802_11_POWER_MODE {
 160         MWIFIEX_802_11_POWER_MODE_CAM,
 161         MWIFIEX_802_11_POWER_MODE_PSP
 162 };
 163
 164 struct mwifiex_tx_param {
 165         u32 next_pkt_len;
 166 };
 167
 168 enum MWIFIEX_PS_STATE {
 169         PS_STATE_AWAKE,
 170         PS_STATE_PRE_SLEEP,
 171         PS_STATE_SLEEP_CFM,
 172         PS_STATE_SLEEP
 173 };
 174
 175 struct mwifiex_add_ba_param {
 176         u32 tx_win_size;
 177         u32 rx_win_size;
 178         u32 timeout;
 179 };
 180
 181 struct mwifiex_tx_aggr {
 182         u8 ampdu_user;
 183         u8 ampdu_ap;
 184         u8 amsdu;
 185 };
 186
 187 struct mwifiex_ra_list_tbl {
 188         struct list_head list;
 189         struct sk_buff_head skb_head;
 190         u8 ra[ETH_ALEN];
 191         u32 total_pkts_size;
 192         u32 is_11n_enabled;
 193 };
 194
 195 struct mwifiex_tid_tbl {
 196         struct list_head ra_list;
 197         /* spin lock for tid table */
 198         spinlock_t tid_tbl_lock;
 199         struct mwifiex_ra_list_tbl *ra_list_curr;
 200 };
 201
 202 #define WMM_HIGHEST_PRIORITY            7
 203 #define HIGH_PRIO_TID                           7
 204 #define LOW_PRIO_TID                            0
 205
 206 struct mwifiex_wmm_desc {
 207         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 208         u32 packets_out[MAX_NUM_TID];
 209         /* spin lock to protect ra_list */
 210         spinlock_t ra_list_spinlock;
 211         struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES];
 212         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES];
 213         u32 drv_pkt_delay_max;
 214         u8 queue_priority[IEEE80211_MAX_QUEUES];
 215         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 216         /* Number of transmit packets queued */
 217         atomic_t tx_pkts_queued;
 218 };
 219
 220 struct mwifiex_802_11_security {
 221         u8 wpa_enabled;
 222         u8 wpa2_enabled;
 223         u8 wapi_enabled;
 224         u8 wapi_key_on;
 225         enum MWIFIEX_802_11_WEP_STATUS wep_status;
 226         u32 authentication_mode;
 227         u32 encryption_mode;
 228 };
 229
 230 struct ieee_types_header {
 231         u8 element_id;
 232         u8 len;
 233 } __packed;
 234
 235 struct ieee_obss_scan_param {
 236         u16 obss_scan_passive_dwell;
 237         u16 obss_scan_active_dwell;
 238         u16 bss_chan_width_trigger_scan_int;
 239         u16 obss_scan_passive_total;
 240         u16 obss_scan_active_total;
 241         u16 bss_width_chan_trans_delay;
 242         u16 obss_scan_active_threshold;
 243 } __packed;
 244
 245 struct ieee_types_obss_scan_param {
 246         struct ieee_types_header ieee_hdr;
 247         struct ieee_obss_scan_param obss_scan;
 248 } __packed;
 249
 250 #define MWIFIEX_SUPPORTED_RATES                 14
 251
 252 #define MWIFIEX_SUPPORTED_RATES_EXT             32
 253
 254 #define IEEE_MAX_IE_SIZE                        256
 255
 256 struct ieee_types_vendor_specific {
 257         struct ieee_types_vendor_header vend_hdr;
 258         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 259 } __packed;
 260
 261 struct ieee_types_generic {
 262         struct ieee_types_header ieee_hdr;
 263         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 264 } __packed;
 265
 266 struct mwifiex_bssdescriptor {
 267         u8 mac_address[ETH_ALEN];
 268         struct mwifiex_802_11_ssid ssid;
 269         u32 privacy;
 270         s32 rssi;
 271         u32 channel;
 272         u32 freq;
 273         u16 beacon_period;
 274         u8 erp_flags;
 275         u32 bss_mode;
 276         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 277         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 278         /* Network band.
 279          * BAND_B(0x01): 'b' band
 280          * BAND_G(0x02): 'g' band
 281          * BAND_A(0X04): 'a' band
 282          */
 283         u16 bss_band;
 284         u64 network_tsf;
 285         u8 time_stamp[8];
 286         union ieee_types_phy_param_set phy_param_set;
 287         union ieee_types_ss_param_set ss_param_set;
 288         u16 cap_info_bitmap;
 289         struct ieee_types_wmm_parameter wmm_ie;
 290         u8  disable_11n;
 291         struct ieee80211_ht_cap *bcn_ht_cap;
 292         u16 ht_cap_offset;
 293         struct ieee80211_ht_info *bcn_ht_info;
 294         u16 ht_info_offset;
 295         u8 *bcn_bss_co_2040;
 296         u16 bss_co_2040_offset;
 297         u8 *bcn_ext_cap;
 298         u16 ext_cap_offset;
 299         struct ieee_types_obss_scan_param *bcn_obss_scan;
 300         u16 overlap_bss_offset;
 301         struct ieee_types_vendor_specific *bcn_wpa_ie;
 302         u16 wpa_offset;
 303         struct ieee_types_generic *bcn_rsn_ie;
 304         u16 rsn_offset;
 305         struct ieee_types_generic *bcn_wapi_ie;
 306         u16 wapi_offset;
 307         u8 *beacon_buf;
 308         u32 beacon_buf_size;
 309         u32 beacon_buf_size_max;
 310
 311 };
 312
 313 struct mwifiex_current_bss_params {
 314         struct mwifiex_bssdescriptor bss_descriptor;
 315         u8 wmm_enabled;
 316         u8 wmm_uapsd_enabled;
 317         u8 band;
 318         u32 num_of_rates;
 319         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 320 };
 321
 322 struct mwifiex_sleep_params {
 323         u16 sp_error;
 324         u16 sp_offset;
 325         u16 sp_stable_time;
 326         u8 sp_cal_control;
 327         u8 sp_ext_sleep_clk;
 328         u16 sp_reserved;
 329 };
 330
 331 struct mwifiex_sleep_period {
 332         u16 period;
 333         u16 reserved;
 334 };
 335
 336 struct mwifiex_wep_key {
 337         u32 length;
 338         u32 key_index;
 339         u32 key_length;
 340         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 341 };
 342
 343 #define MAX_REGION_CHANNEL_NUM  2
 344
 345 struct mwifiex_chan_freq_power {
 346         u16 channel;
 347         u32 freq;
 348         u16 max_tx_power;
 349         u8 unsupported;
 350 };
 351
 352 enum state_11d_t {
 353         DISABLE_11D = 0,
 354         ENABLE_11D = 1,
 355 };
 356
 357 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 358
 359 struct mwifiex_802_11d_domain_reg {
 360         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 361         u8 no_of_triplet;
 362         struct ieee80211_country_ie_triplet
 363                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 364 };
 365
 366 struct mwifiex_vendor_spec_cfg_ie {
 367         u16 mask;
 368         u16 flag;
 369         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 370 };
 371
 372 struct wps {
 373         u8 session_enable;
 374 };
 375
 376 struct mwifiex_adapter;
 377 struct mwifiex_private;
 378
 379 struct mwifiex_private {
 380         struct mwifiex_adapter *adapter;
 381         u8 bss_index;
 382         u8 bss_type;
 383         u8 bss_role;
 384         u8 bss_priority;
 385         u8 bss_num;
 386         u8 frame_type;
 387         u8 curr_addr[ETH_ALEN];
 388         u8 media_connected;
 389         u32 num_tx_timeout;
 390         struct net_device *netdev;
 391         struct net_device_stats stats;
 392         u16 curr_pkt_filter;
 393         u32 bss_mode;
 394         u32 pkt_tx_ctrl;
 395         u16 tx_power_level;
 396         u8 max_tx_power_level;
 397         u8 min_tx_power_level;
 398         u8 tx_rate;
 399         u8 tx_htinfo;
 400         u8 rxpd_htinfo;
 401         u8 rxpd_rate;
 402         u16 rate_bitmap;
 403         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 404         u32 data_rate;
 405         u8 is_data_rate_auto;
 406         u16 bcn_avg_factor;
 407         u16 data_avg_factor;
 408         s16 data_rssi_last;
 409         s16 data_nf_last;
 410         s16 data_rssi_avg;
 411         s16 data_nf_avg;
 412         s16 bcn_rssi_last;
 413         s16 bcn_nf_last;
 414         s16 bcn_rssi_avg;
 415         s16 bcn_nf_avg;
 416         struct mwifiex_bssdescriptor *attempted_bss_desc;
 417         struct mwifiex_802_11_ssid prev_ssid;
 418         u8 prev_bssid[ETH_ALEN];
 419         struct mwifiex_current_bss_params curr_bss_params;
 420         u16 beacon_period;
 421         u16 listen_interval;
 422         u16 atim_window;
 423         u8 adhoc_channel;
 424         u8 adhoc_is_link_sensed;
 425         u8 adhoc_state;
 426         struct mwifiex_802_11_security sec_info;
 427         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 428         u16 wep_key_curr_index;
 429         u8 wpa_ie[256];
 430         u8 wpa_ie_len;
 431         u8 wpa_is_gtk_set;
 432         struct host_cmd_ds_802_11_key_material aes_key;
 433         u8 wapi_ie[256];
 434         u8 wapi_ie_len;
 435         u8 wmm_required;
 436         u8 wmm_enabled;
 437         u8 wmm_qosinfo;
 438         struct mwifiex_wmm_desc wmm;
 439         struct list_head tx_ba_stream_tbl_ptr;
 440         /* spin lock for tx_ba_stream_tbl_ptr queue */
 441         spinlock_t tx_ba_stream_tbl_lock;
 442         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 443         struct mwifiex_add_ba_param add_ba_param;
 444         u16 rx_seq[MAX_NUM_TID];
 445         struct list_head rx_reorder_tbl_ptr;
 446         /* spin lock for rx_reorder_tbl_ptr queue */
 447         spinlock_t rx_reorder_tbl_lock;
 448         /* spin lock for Rx packets */
 449         spinlock_t rx_pkt_lock;
 450
 451 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 452         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 453         u32 assoc_rsp_size;
 454
 455 #define MWIFIEX_GENIE_BUF_SIZE      256
 456         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 457         u8 gen_ie_buf_len;
 458
 459         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 460
 461 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 462         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 463         u8 assoc_tlv_buf_len;
 464
 465         u8 *curr_bcn_buf;
 466         u32 curr_bcn_size;
 467         /* spin lock for beacon buffer */
 468         spinlock_t curr_bcn_buf_lock;
 469         struct wireless_dev *wdev;
 470         struct mwifiex_chan_freq_power cfp;
 471         char version_str[128];
 472 #ifdef CONFIG_DEBUG_FS
 473         struct dentry *dfs_dev_dir;
 474 #endif
 475         u8 nick_name[16];
 476         struct iw_statistics w_stats;
 477         u16 current_key_index;
 478         struct semaphore async_sem;
 479         u8 scan_pending_on_block;
 480         u8 report_scan_result;
 481         struct cfg80211_scan_request *scan_request;
 482         int scan_result_status;
 483         int assoc_request;
 484         u16 assoc_result;
 485         int ibss_join_request;
 486         u16 ibss_join_result;
 487         bool disconnect;
 488         u8 cfg_bssid[6];
 489         struct workqueue_struct *workqueue;
 490         struct work_struct cfg_workqueue;
 491         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 492         struct wps wps;
 493         u8 scan_block;
 494 };
 495
 496 enum mwifiex_ba_status {
 497         BA_STREAM_NOT_SETUP = 0,
 498         BA_STREAM_SETUP_INPROGRESS,
 499         BA_STREAM_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 };
 550
 551 struct mwifiex_if_ops {
 552         int (*init_if) (struct mwifiex_adapter *);
 553         void (*cleanup_if) (struct mwifiex_adapter *);
 554         int (*check_fw_status) (struct mwifiex_adapter *, u32, int *);
 555         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 556         int (*register_dev) (struct mwifiex_adapter *);
 557         void (*unregister_dev) (struct mwifiex_adapter *);
 558         int (*enable_int) (struct mwifiex_adapter *);
 559         int (*process_int_status) (struct mwifiex_adapter *);
 560         int (*host_to_card) (struct mwifiex_adapter *, u8,
 561                              u8 *payload, u32 pkt_len,
 562                              struct mwifiex_tx_param *);
 563         int (*wakeup) (struct mwifiex_adapter *);
 564         int (*wakeup_complete) (struct mwifiex_adapter *);
 565
 566         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 567         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 568 };
 569
 570 struct mwifiex_adapter {
 571         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 572         u8 priv_num;
 573         struct mwifiex_drv_mode *drv_mode;
 574         const struct firmware *firmware;
 575         struct device *dev;
 576         bool surprise_removed;
 577         u32 fw_release_number;
 578         u32 revision_id;
 579         u16 init_wait_q_woken;
 580         wait_queue_head_t init_wait_q;
 581         void *card;
 582         struct mwifiex_if_ops if_ops;
 583         atomic_t rx_pending;
 584         atomic_t tx_pending;
 585         atomic_t cmd_pending;
 586         struct workqueue_struct *workqueue;
 587         struct work_struct main_work;
 588         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 589         /* spin lock for init/shutdown */
 590         spinlock_t mwifiex_lock;
 591         /* spin lock for main process */
 592         spinlock_t main_proc_lock;
 593         u32 mwifiex_processing;
 594         u16 max_tx_buf_size;
 595         u16 tx_buf_size;
 596         u16 curr_tx_buf_size;
 597         u32 ioport;
 598         enum MWIFIEX_HARDWARE_STATUS hw_status;
 599         u16 number_of_antenna;
 600         u32 fw_cap_info;
 601         /* spin lock for interrupt handling */
 602         spinlock_t int_lock;
 603         u8 int_status;
 604         u32 event_cause;
 605         struct sk_buff *event_skb;
 606         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 607         u8 data_sent;
 608         u8 cmd_sent;
 609         u8 cmd_resp_received;
 610         u8 event_received;
 611         u8 data_received;
 612         u16 seq_num;
 613         struct cmd_ctrl_node *cmd_pool;
 614         struct cmd_ctrl_node *curr_cmd;
 615         /* spin lock for command */
 616         spinlock_t mwifiex_cmd_lock;
 617         u32 num_cmd_timeout;
 618         u16 last_init_cmd;
 619         struct timer_list cmd_timer;
 620         struct list_head cmd_free_q;
 621         /* spin lock for cmd_free_q */
 622         spinlock_t cmd_free_q_lock;
 623         struct list_head cmd_pending_q;
 624         /* spin lock for cmd_pending_q */
 625         spinlock_t cmd_pending_q_lock;
 626         struct list_head scan_pending_q;
 627         /* spin lock for scan_pending_q */
 628         spinlock_t scan_pending_q_lock;
 629         u32 scan_processing;
 630         u16 region_code;
 631         struct mwifiex_802_11d_domain_reg domain_reg;
 632         struct mwifiex_bssdescriptor *scan_table;
 633         u32 num_in_scan_table;
 634         u16 scan_probes;
 635         u32 scan_mode;
 636         u16 specific_scan_time;
 637         u16 active_scan_time;
 638         u16 passive_scan_time;
 639         u8 bcn_buf[MAX_SCAN_BEACON_BUFFER];
 640         u8 *bcn_buf_end;
 641         u8 fw_bands;
 642         u8 adhoc_start_band;
 643         u8 config_bands;
 644         struct mwifiex_chan_scan_param_set *scan_channels;
 645         u8 tx_lock_flag;
 646         struct mwifiex_sleep_params sleep_params;
 647         struct mwifiex_sleep_period sleep_period;
 648         u16 ps_mode;
 649         u32 ps_state;
 650         u8 need_to_wakeup;
 651         u16 multiple_dtim;
 652         u16 local_listen_interval;
 653         u16 null_pkt_interval;
 654         struct sk_buff *sleep_cfm;
 655         u16 bcn_miss_time_out;
 656         u16 adhoc_awake_period;
 657         u8 is_deep_sleep;
 658         u8 delay_null_pkt;
 659         u16 delay_to_ps;
 660         u16 enhanced_ps_mode;
 661         u8 pm_wakeup_card_req;
 662         u16 gen_null_pkt;
 663         u16 pps_uapsd_mode;
 664         u32 pm_wakeup_fw_try;
 665         u8 is_hs_configured;
 666         struct mwifiex_hs_config_param hs_cfg;
 667         u8 hs_activated;
 668         u16 hs_activate_wait_q_woken;
 669         wait_queue_head_t hs_activate_wait_q;
 670         bool is_suspended;
 671         u8 event_body[MAX_EVENT_SIZE];
 672         u32 hw_dot_11n_dev_cap;
 673         u8 hw_dev_mcs_support;
 674         u8 adhoc_11n_enabled;
 675         u8 chan_offset;
 676         struct mwifiex_dbg dbg;
 677         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 678         u32 arp_filter_size;
 679         u16 cmd_wait_q_required;
 680         struct mwifiex_wait_queue cmd_wait_q;
 681 };
 682
 683 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 684 void mwifiex_free_lock_list(struct mwifiex_adapter *adapter);
 685
 686 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 687
 688 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 689
 690 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 691
 692 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 693
 694 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 695
 696 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 697
 698 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 699
 700 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter);
 701
 702 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 703                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 704
 705 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 706                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 707
 708 void mwifiex_cmd_timeout_func(unsigned long function_context);
 709
 710 int mwifiex_get_debug_info(struct mwifiex_private *,
 711                            struct mwifiex_debug_info *);
 712
 713 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 714 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 715 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 716 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 717
 718 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 719                                   struct cmd_ctrl_node *cmd_node);
 720
 721 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 722                                      struct cmd_ctrl_node *cmd_node,
 723                                      u32 addtail);
 724
 725 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 726 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 727 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 728                              struct sk_buff *skb);
 729 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 730                        struct mwifiex_tx_param *tx_param);
 731 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 732 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 733                                 struct sk_buff *skb, int status);
 734 int mwifiex_recv_packet_complete(struct mwifiex_adapter *,
 735                                  struct sk_buff *skb, int status);
 736 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 737 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 738 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 739 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 740                                         u32);
 741 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 742                                struct host_cmd_ds_command *cmd,
 743                                u16 cmd_action, uint16_t ps_bitmap,
 744                                void *data_buf);
 745 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 746                                struct host_cmd_ds_command *resp,
 747                                void *data_buf);
 748 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 749 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 750                                         u8 activated);
 751 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 752                               struct host_cmd_ds_command *resp);
 753 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 754                               struct sk_buff *skb);
 755 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 756                             u16 cmd_action, u32 cmd_oid,
 757                             void *data_buf, void *cmd_buf);
 758 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 759                                 void *cmd_buf);
 760 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 761                                   struct sk_buff *skb);
 762 int mwifiex_process_sta_event(struct mwifiex_private *);
 763 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 764 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 765 int mwifiex_scan_networks(struct mwifiex_private *priv,
 766                           const struct mwifiex_user_scan_cfg *user_scan_in);
 767 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 768                             void *data_buf);
 769 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 770                             struct cmd_ctrl_node *cmd_node);
 771 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 772                             struct host_cmd_ds_command *resp);
 773 s32 mwifiex_find_ssid_in_list(struct mwifiex_private *priv,
 774                                 struct mwifiex_802_11_ssid *ssid, u8 *bssid,
 775                                 u32 mode);
 776 s32 mwifiex_find_bssid_in_list(struct mwifiex_private *priv, u8 *bssid,
 777                                  u32 mode);
 778 int mwifiex_find_best_network(struct mwifiex_private *priv,
 779                               struct mwifiex_ssid_bssid *req_ssid_bssid);
 780 s32 mwifiex_ssid_cmp(struct mwifiex_802_11_ssid *ssid1,
 781                        struct mwifiex_802_11_ssid *ssid2);
 782 int mwifiex_associate(struct mwifiex_private *priv,
 783                       struct mwifiex_bssdescriptor *bss_desc);
 784 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 785                                  struct host_cmd_ds_command
 786                                  *cmd, void *data_buf);
 787 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 788                                  struct host_cmd_ds_command *resp);
 789 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 790 void mwifiex_2040_coex_event(struct mwifiex_private *priv);
 791 u8 mwifiex_band_to_radio_type(u8 band);
 792 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 793 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 794                         struct mwifiex_802_11_ssid *adhoc_ssid);
 795 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 796                        struct mwifiex_bssdescriptor *bss_desc);
 797 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 798                                     struct host_cmd_ds_command *cmd,
 799                                     void *data_buf);
 800 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 801                                    struct host_cmd_ds_command *cmd,
 802                                    void *data_buf);
 803 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 804                               struct host_cmd_ds_command *resp);
 805 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 806 struct mwifiex_chan_freq_power *
 807                         mwifiex_get_cfp_by_band_and_channel_from_cfg80211(
 808                                                 struct mwifiex_private *priv,
 809                                                 u8 band, u16 channel);
 810 struct mwifiex_chan_freq_power *mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
 811                                                 struct mwifiex_private *priv,
 812                                                 u8 band, u32 freq);
 813 u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info);
 814 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 815 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 816                                 u8 **buffer);
 817 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 818                                     u8 *rates);
 819 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 820 u8 mwifiex_data_rate_to_index(u32 rate);
 821 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 822 int mwifiex_get_rate_index(u16 *rateBitmap, int size);
 823 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 824 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 825 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 826 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 827                             struct host_cmd_ds_command *cmd);
 828 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 829                             struct host_cmd_ds_command *resp);
 830 int is_command_pending(struct mwifiex_adapter *adapter);
 831
 832 /*
 833  * This function checks if the queuing is RA based or not.
 834  */
 835 static inline u8
 836 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 837 {
 838         /*
 839          * Currently we assume if we are in Infra, then DA=RA. This might not be
 840          * true in the future
 841          */
 842         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 843             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 844                 return false;
 845
 846         return true;
 847 }
 848
 849 /*
 850  * This function copies rates.
 851  */
 852 static inline u32
 853 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 854 {
 855         int i;
 856
 857         for (i = 0; i < len && src[i]; i++, pos++) {
 858                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 859                         break;
 860                 dest[pos] = src[i];
 861         }
 862
 863         return pos;
 864 }
 865
 866 /*
 867  * This function returns the correct private structure pointer based
 868  * upon the BSS type and BSS number.
 869  */
 870 static inline struct mwifiex_private *
 871 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 872                        u8 bss_num, u8 bss_type)
 873 {
 874         int i;
 875
 876         for (i = 0; i < adapter->priv_num; i++) {
 877                 if (adapter->priv[i]) {
 878                         if ((adapter->priv[i]->bss_num == bss_num)
 879                             && (adapter->priv[i]->bss_type == bss_type))
 880                                 break;
 881                 }
 882         }
 883         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 884 }
 885
 886 /*
 887  * This function returns the first available private structure pointer
 888  * based upon the BSS role.
 889  */
 890 static inline struct mwifiex_private *
 891 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 892                  enum mwifiex_bss_role bss_role)
 893 {
 894         int i;
 895
 896         for (i = 0; i < adapter->priv_num; i++) {
 897                 if (adapter->priv[i]) {
 898                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 899                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 900                                 break;
 901                 }
 902         }
 903
 904         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 905 }
 906
 907 /*
 908  * This function returns the driver private structure of a network device.
 909  */
 910 static inline struct mwifiex_private *
 911 mwifiex_netdev_get_priv(struct net_device *dev)
 912 {
 913         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 914 }
 915
 916 struct mwifiex_private *mwifiex_bss_index_to_priv(struct mwifiex_adapter
 917                                                 *adapter, u8 bss_index);
 918 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 919                              u32 func_init_shutdown);
 920 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *);
 921 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 922
 923 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 924                          int maxlen);
 925 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 926                         struct mwifiex_multicast_list *mcast_list);
 927 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 928                             struct net_device *dev);
 929 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 930 int mwifiex_bss_start(struct mwifiex_private *priv,
 931                       struct mwifiex_ssid_bssid *ssid_bssid);
 932 int mwifiex_set_hs_params(struct mwifiex_private *priv,
 933                               u16 action, int cmd_type,
 934                               struct mwifiex_ds_hs_cfg *hscfg);
 935 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 936 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 937 int mwifiex_get_signal_info(struct mwifiex_private *priv,
 938                             struct mwifiex_ds_get_signal *signal);
 939 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 940                               struct mwifiex_rate_cfg *rate);
 941 int mwifiex_find_best_bss(struct mwifiex_private *priv,
 942                           struct mwifiex_ssid_bssid *ssid_bssid);
 943 int mwifiex_request_scan(struct mwifiex_private *priv,
 944                          struct mwifiex_802_11_ssid *req_ssid);
 945 int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
 946                                 struct mwifiex_user_scan_cfg *scan_req);
 947 int mwifiex_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 948 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 949
 950 int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 951
 952 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
 953                        int key_len, u8 key_index, int disable);
 954
 955 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 956
 957 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 958
 959 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 960                            struct mwifiex_ds_get_stats *log);
 961
 962 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 963                       u32 reg_offset, u32 reg_value);
 964
 965 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 966                      u32 reg_offset, u32 *value);
 967
 968 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
 969                         u8 *value);
 970
 971 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
 972
 973 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
 974
 975 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
 976
 977 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
 978
 979 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
 980
 981 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
 982                                    char *version, int max_len);
 983
 984 int mwifiex_set_tx_power(struct mwifiex_private *priv,
 985                          struct mwifiex_power_cfg *power_cfg);
 986
 987 int mwifiex_main_process(struct mwifiex_adapter *);
 988
 989 int mwifiex_bss_set_channel(struct mwifiex_private *,
 990                             struct mwifiex_chan_freq_power *cfp);
 991 int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *,
 992                                struct mwifiex_ssid_bssid *);
 993 int mwifiex_set_radio_band_cfg(struct mwifiex_private *,
 994                          struct mwifiex_ds_band_cfg *);
 995 int mwifiex_get_bss_info(struct mwifiex_private *,
 996                          struct mwifiex_bss_info *);
 997
 998 #ifdef CONFIG_DEBUG_FS
 999 void mwifiex_debugfs_init(void);
1000 void mwifiex_debugfs_remove(void);
1001
1002 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1003 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1004 #endif
1005 #endif /* !_MWIFIEX_MAIN_H_ */