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
 217 };
 218
 219 struct mwifiex_802_11_security {
 220         u8 wpa_enabled;
 221         u8 wpa2_enabled;
 222         u8 wapi_enabled;
 223         u8 wapi_key_on;
 224         enum MWIFIEX_802_11_WEP_STATUS wep_status;
 225         u32 authentication_mode;
 226         u32 encryption_mode;
 227 };
 228
 229 struct ieee_types_header {
 230         u8 element_id;
 231         u8 len;
 232 } __packed;
 233
 234 struct ieee_obss_scan_param {
 235         u16 obss_scan_passive_dwell;
 236         u16 obss_scan_active_dwell;
 237         u16 bss_chan_width_trigger_scan_int;
 238         u16 obss_scan_passive_total;
 239         u16 obss_scan_active_total;
 240         u16 bss_width_chan_trans_delay;
 241         u16 obss_scan_active_threshold;
 242 } __packed;
 243
 244 struct ieee_types_obss_scan_param {
 245         struct ieee_types_header ieee_hdr;
 246         struct ieee_obss_scan_param obss_scan;
 247 } __packed;
 248
 249 #define MWIFIEX_SUPPORTED_RATES                 14
 250
 251 #define MWIFIEX_SUPPORTED_RATES_EXT             32
 252
 253 #define IEEE_MAX_IE_SIZE                        256
 254
 255 struct ieee_types_vendor_specific {
 256         struct ieee_types_vendor_header vend_hdr;
 257         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 258 } __packed;
 259
 260 struct ieee_types_generic {
 261         struct ieee_types_header ieee_hdr;
 262         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 263 } __packed;
 264
 265 struct mwifiex_bssdescriptor {
 266         u8 mac_address[ETH_ALEN];
 267         struct mwifiex_802_11_ssid ssid;
 268         u32 privacy;
 269         s32 rssi;
 270         u32 channel;
 271         u32 freq;
 272         u16 beacon_period;
 273         u8 erp_flags;
 274         u32 bss_mode;
 275         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 276         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 277         /* Network band.
 278          * BAND_B(0x01): 'b' band
 279          * BAND_G(0x02): 'g' band
 280          * BAND_A(0X04): 'a' band
 281          */
 282         u16 bss_band;
 283         u64 network_tsf;
 284         u8 time_stamp[8];
 285         union ieee_types_phy_param_set phy_param_set;
 286         union ieee_types_ss_param_set ss_param_set;
 287         u16 cap_info_bitmap;
 288         struct ieee_types_wmm_parameter wmm_ie;
 289         u8  disable_11n;
 290         struct ieee80211_ht_cap *bcn_ht_cap;
 291         u16 ht_cap_offset;
 292         struct ieee80211_ht_info *bcn_ht_info;
 293         u16 ht_info_offset;
 294         u8 *bcn_bss_co_2040;
 295         u16 bss_co_2040_offset;
 296         u8 *bcn_ext_cap;
 297         u16 ext_cap_offset;
 298         struct ieee_types_obss_scan_param *bcn_obss_scan;
 299         u16 overlap_bss_offset;
 300         struct ieee_types_vendor_specific *bcn_wpa_ie;
 301         u16 wpa_offset;
 302         struct ieee_types_generic *bcn_rsn_ie;
 303         u16 rsn_offset;
 304         struct ieee_types_generic *bcn_wapi_ie;
 305         u16 wapi_offset;
 306         u8 *beacon_buf;
 307         u32 beacon_buf_size;
 308         u32 beacon_buf_size_max;
 309
 310 };
 311
 312 struct mwifiex_current_bss_params {
 313         struct mwifiex_bssdescriptor bss_descriptor;
 314         u8 wmm_enabled;
 315         u8 wmm_uapsd_enabled;
 316         u8 band;
 317         u32 num_of_rates;
 318         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 319 };
 320
 321 struct mwifiex_sleep_params {
 322         u16 sp_error;
 323         u16 sp_offset;
 324         u16 sp_stable_time;
 325         u8 sp_cal_control;
 326         u8 sp_ext_sleep_clk;
 327         u16 sp_reserved;
 328 };
 329
 330 struct mwifiex_sleep_period {
 331         u16 period;
 332         u16 reserved;
 333 };
 334
 335 struct mwifiex_wep_key {
 336         u32 length;
 337         u32 key_index;
 338         u32 key_length;
 339         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 340 };
 341
 342 #define MAX_REGION_CHANNEL_NUM  2
 343
 344 struct mwifiex_chan_freq_power {
 345         u16 channel;
 346         u32 freq;
 347         u16 max_tx_power;
 348         u8 unsupported;
 349 };
 350
 351 enum state_11d_t {
 352         DISABLE_11D = 0,
 353         ENABLE_11D = 1,
 354 };
 355
 356 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 357
 358 struct mwifiex_802_11d_domain_reg {
 359         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 360         u8 no_of_triplet;
 361         struct ieee80211_country_ie_triplet
 362                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 363 };
 364
 365 struct mwifiex_vendor_spec_cfg_ie {
 366         u16 mask;
 367         u16 flag;
 368         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 369 };
 370
 371 struct wps {
 372         u8 session_enable;
 373 };
 374
 375 struct mwifiex_adapter;
 376 struct mwifiex_private;
 377
 378 struct mwifiex_private {
 379         struct mwifiex_adapter *adapter;
 380         u8 bss_index;
 381         u8 bss_type;
 382         u8 bss_role;
 383         u8 bss_priority;
 384         u8 bss_num;
 385         u8 frame_type;
 386         u8 curr_addr[ETH_ALEN];
 387         u8 media_connected;
 388         u32 num_tx_timeout;
 389         struct net_device *netdev;
 390         struct net_device_stats stats;
 391         u16 curr_pkt_filter;
 392         u32 bss_mode;
 393         u32 pkt_tx_ctrl;
 394         u16 tx_power_level;
 395         u8 max_tx_power_level;
 396         u8 min_tx_power_level;
 397         u8 tx_rate;
 398         u8 tx_htinfo;
 399         u8 rxpd_htinfo;
 400         u8 rxpd_rate;
 401         u16 rate_bitmap;
 402         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 403         u32 data_rate;
 404         u8 is_data_rate_auto;
 405         u16 bcn_avg_factor;
 406         u16 data_avg_factor;
 407         s16 data_rssi_last;
 408         s16 data_nf_last;
 409         s16 data_rssi_avg;
 410         s16 data_nf_avg;
 411         s16 bcn_rssi_last;
 412         s16 bcn_nf_last;
 413         s16 bcn_rssi_avg;
 414         s16 bcn_nf_avg;
 415         struct mwifiex_bssdescriptor *attempted_bss_desc;
 416         struct mwifiex_802_11_ssid prev_ssid;
 417         u8 prev_bssid[ETH_ALEN];
 418         struct mwifiex_current_bss_params curr_bss_params;
 419         u16 beacon_period;
 420         u16 listen_interval;
 421         u16 atim_window;
 422         u8 adhoc_channel;
 423         u8 adhoc_is_link_sensed;
 424         u8 adhoc_state;
 425         struct mwifiex_802_11_security sec_info;
 426         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 427         u16 wep_key_curr_index;
 428         u8 wpa_ie[256];
 429         u8 wpa_ie_len;
 430         u8 wpa_is_gtk_set;
 431         struct host_cmd_ds_802_11_key_material aes_key;
 432         u8 wapi_ie[256];
 433         u8 wapi_ie_len;
 434         u8 wmm_required;
 435         u8 wmm_enabled;
 436         u8 wmm_qosinfo;
 437         struct mwifiex_wmm_desc wmm;
 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         struct iw_statistics w_stats;
 476         u16 current_key_index;
 477         struct semaphore async_sem;
 478         u8 scan_pending_on_block;
 479         u8 report_scan_result;
 480         struct cfg80211_scan_request *scan_request;
 481         int scan_result_status;
 482         int assoc_request;
 483         u16 assoc_result;
 484         int ibss_join_request;
 485         u16 ibss_join_result;
 486         bool disconnect;
 487         u8 cfg_bssid[6];
 488         struct workqueue_struct *workqueue;
 489         struct work_struct cfg_workqueue;
 490         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 491         struct wps wps;
 492         u8 scan_block;
 493 };
 494
 495 enum mwifiex_ba_status {
 496         BA_STREAM_NOT_SETUP = 0,
 497         BA_STREAM_SETUP_INPROGRESS,
 498         BA_STREAM_SETUP_COMPLETE
 499 };
 500
 501 struct mwifiex_tx_ba_stream_tbl {
 502         struct list_head list;
 503         int tid;
 504         u8 ra[ETH_ALEN];
 505         enum mwifiex_ba_status ba_status;
 506 };
 507
 508 struct mwifiex_rx_reorder_tbl;
 509
 510 struct reorder_tmr_cnxt {
 511         struct timer_list timer;
 512         struct mwifiex_rx_reorder_tbl *ptr;
 513         struct mwifiex_private *priv;
 514 };
 515
 516 struct mwifiex_rx_reorder_tbl {
 517         struct list_head list;
 518         int tid;
 519         u8 ta[ETH_ALEN];
 520         int start_win;
 521         int win_size;
 522         void **rx_reorder_ptr;
 523         struct reorder_tmr_cnxt timer_context;
 524 };
 525
 526 struct mwifiex_bss_prio_node {
 527         struct list_head list;
 528         struct mwifiex_private *priv;
 529 };
 530
 531 struct mwifiex_bss_prio_tbl {
 532         struct list_head bss_prio_head;
 533         /* spin lock for bss priority  */
 534         spinlock_t bss_prio_lock;
 535         struct mwifiex_bss_prio_node *bss_prio_cur;
 536 };
 537
 538 struct cmd_ctrl_node {
 539         struct list_head list;
 540         struct mwifiex_private *priv;
 541         u32 cmd_oid;
 542         u32 cmd_flag;
 543         struct sk_buff *cmd_skb;
 544         struct sk_buff *resp_skb;
 545         void *data_buf;
 546         u32 wait_q_enabled;
 547         struct sk_buff *skb;
 548 };
 549
 550 struct mwifiex_if_ops {
 551         int (*init_if) (struct mwifiex_adapter *);
 552         void (*cleanup_if) (struct mwifiex_adapter *);
 553         int (*check_fw_status) (struct mwifiex_adapter *, u32, int *);
 554         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 555         int (*register_dev) (struct mwifiex_adapter *);
 556         void (*unregister_dev) (struct mwifiex_adapter *);
 557         int (*enable_int) (struct mwifiex_adapter *);
 558         int (*process_int_status) (struct mwifiex_adapter *);
 559         int (*host_to_card) (struct mwifiex_adapter *, u8,
 560                              u8 *payload, u32 pkt_len,
 561                              struct mwifiex_tx_param *);
 562         int (*wakeup) (struct mwifiex_adapter *);
 563         int (*wakeup_complete) (struct mwifiex_adapter *);
 564
 565         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 566         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 567 };
 568
 569 struct mwifiex_adapter {
 570         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 571         u8 priv_num;
 572         struct mwifiex_drv_mode *drv_mode;
 573         const struct firmware *firmware;
 574         struct device *dev;
 575         bool surprise_removed;
 576         u32 fw_release_number;
 577         u32 revision_id;
 578         u16 init_wait_q_woken;
 579         wait_queue_head_t init_wait_q;
 580         void *card;
 581         struct mwifiex_if_ops if_ops;
 582         atomic_t rx_pending;
 583         atomic_t tx_pending;
 584         atomic_t cmd_pending;
 585         struct workqueue_struct *workqueue;
 586         struct work_struct main_work;
 587         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 588         /* spin lock for init/shutdown */
 589         spinlock_t mwifiex_lock;
 590         /* spin lock for main process */
 591         spinlock_t main_proc_lock;
 592         u32 mwifiex_processing;
 593         u16 max_tx_buf_size;
 594         u16 tx_buf_size;
 595         u16 curr_tx_buf_size;
 596         u32 ioport;
 597         enum MWIFIEX_HARDWARE_STATUS hw_status;
 598         u16 number_of_antenna;
 599         u32 fw_cap_info;
 600         /* spin lock for interrupt handling */
 601         spinlock_t int_lock;
 602         u8 int_status;
 603         u32 event_cause;
 604         struct sk_buff *event_skb;
 605         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 606         u8 data_sent;
 607         u8 cmd_sent;
 608         u8 cmd_resp_received;
 609         u8 event_received;
 610         u8 data_received;
 611         u16 seq_num;
 612         struct cmd_ctrl_node *cmd_pool;
 613         struct cmd_ctrl_node *curr_cmd;
 614         /* spin lock for command */
 615         spinlock_t mwifiex_cmd_lock;
 616         u32 num_cmd_timeout;
 617         u16 last_init_cmd;
 618         struct timer_list cmd_timer;
 619         struct list_head cmd_free_q;
 620         /* spin lock for cmd_free_q */
 621         spinlock_t cmd_free_q_lock;
 622         struct list_head cmd_pending_q;
 623         /* spin lock for cmd_pending_q */
 624         spinlock_t cmd_pending_q_lock;
 625         struct list_head scan_pending_q;
 626         /* spin lock for scan_pending_q */
 627         spinlock_t scan_pending_q_lock;
 628         u32 scan_processing;
 629         u16 region_code;
 630         struct mwifiex_802_11d_domain_reg domain_reg;
 631         struct mwifiex_bssdescriptor *scan_table;
 632         u32 num_in_scan_table;
 633         u16 scan_probes;
 634         u32 scan_mode;
 635         u16 specific_scan_time;
 636         u16 active_scan_time;
 637         u16 passive_scan_time;
 638         u8 bcn_buf[MAX_SCAN_BEACON_BUFFER];
 639         u8 *bcn_buf_end;
 640         u8 fw_bands;
 641         u8 adhoc_start_band;
 642         u8 config_bands;
 643         struct mwifiex_chan_scan_param_set *scan_channels;
 644         u8 tx_lock_flag;
 645         struct mwifiex_sleep_params sleep_params;
 646         struct mwifiex_sleep_period sleep_period;
 647         u16 ps_mode;
 648         u32 ps_state;
 649         u8 need_to_wakeup;
 650         u16 multiple_dtim;
 651         u16 local_listen_interval;
 652         u16 null_pkt_interval;
 653         struct sk_buff *sleep_cfm;
 654         u16 bcn_miss_time_out;
 655         u16 adhoc_awake_period;
 656         u8 is_deep_sleep;
 657         u8 delay_null_pkt;
 658         u16 delay_to_ps;
 659         u16 enhanced_ps_mode;
 660         u8 pm_wakeup_card_req;
 661         u16 gen_null_pkt;
 662         u16 pps_uapsd_mode;
 663         u32 pm_wakeup_fw_try;
 664         u8 is_hs_configured;
 665         struct mwifiex_hs_config_param hs_cfg;
 666         u8 hs_activated;
 667         u16 hs_activate_wait_q_woken;
 668         wait_queue_head_t hs_activate_wait_q;
 669         bool is_suspended;
 670         u8 event_body[MAX_EVENT_SIZE];
 671         u32 hw_dot_11n_dev_cap;
 672         u8 hw_dev_mcs_support;
 673         u8 adhoc_11n_enabled;
 674         u8 chan_offset;
 675         struct mwifiex_dbg dbg;
 676         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 677         u32 arp_filter_size;
 678         u16 cmd_wait_q_required;
 679         struct mwifiex_wait_queue cmd_wait_q;
 680 };
 681
 682 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 683 void mwifiex_free_lock_list(struct mwifiex_adapter *adapter);
 684
 685 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 686
 687 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 688
 689 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 690
 691 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 692
 693 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 694
 695 int mwifiex_recv_complete(struct mwifiex_adapter *,
 696                           struct sk_buff *skb,
 697                           int status);
 698
 699 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 700
 701 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 702
 703 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter);
 704
 705 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 706                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 707
 708 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 709                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 710
 711 void mwifiex_cmd_timeout_func(unsigned long function_context);
 712
 713 int mwifiex_get_debug_info(struct mwifiex_private *,
 714                            struct mwifiex_debug_info *);
 715
 716 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 717 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 718 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 719 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 720
 721 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 722                                   struct cmd_ctrl_node *cmd_node);
 723
 724 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 725                                      struct cmd_ctrl_node *cmd_node,
 726                                      u32 addtail);
 727
 728 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 729 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 730 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 731                              struct sk_buff *skb);
 732 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 733                        struct mwifiex_tx_param *tx_param);
 734 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 735 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 736                                 struct sk_buff *skb, int status);
 737 int mwifiex_recv_packet_complete(struct mwifiex_adapter *,
 738                                  struct sk_buff *skb, int status);
 739 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 740 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 741 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 742 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 743                                         u32);
 744 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 745                                struct host_cmd_ds_command *cmd,
 746                                u16 cmd_action, uint16_t ps_bitmap,
 747                                void *data_buf);
 748 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 749                                struct host_cmd_ds_command *resp,
 750                                void *data_buf);
 751 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 752 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 753                                         u8 activated);
 754 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 755                               struct host_cmd_ds_command *resp);
 756 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 757                               struct sk_buff *skb);
 758 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 759                             u16 cmd_action, u32 cmd_oid,
 760                             void *data_buf, void *cmd_buf);
 761 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 762                                 void *cmd_buf);
 763 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 764                                   struct sk_buff *skb);
 765 int mwifiex_process_sta_event(struct mwifiex_private *);
 766 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 767 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 768 int mwifiex_scan_networks(struct mwifiex_private *priv,
 769                           const struct mwifiex_user_scan_cfg *user_scan_in);
 770 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 771                             void *data_buf);
 772 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 773                             struct cmd_ctrl_node *cmd_node);
 774 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 775                             struct host_cmd_ds_command *resp);
 776 s32 mwifiex_find_ssid_in_list(struct mwifiex_private *priv,
 777                                 struct mwifiex_802_11_ssid *ssid, u8 *bssid,
 778                                 u32 mode);
 779 s32 mwifiex_find_bssid_in_list(struct mwifiex_private *priv, u8 *bssid,
 780                                  u32 mode);
 781 int mwifiex_find_best_network(struct mwifiex_private *priv,
 782                               struct mwifiex_ssid_bssid *req_ssid_bssid);
 783 s32 mwifiex_ssid_cmp(struct mwifiex_802_11_ssid *ssid1,
 784                        struct mwifiex_802_11_ssid *ssid2);
 785 int mwifiex_associate(struct mwifiex_private *priv,
 786                       struct mwifiex_bssdescriptor *bss_desc);
 787 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 788                                  struct host_cmd_ds_command
 789                                  *cmd, void *data_buf);
 790 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 791                                  struct host_cmd_ds_command *resp);
 792 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 793 void mwifiex_2040_coex_event(struct mwifiex_private *priv);
 794 u8 mwifiex_band_to_radio_type(u8 band);
 795 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 796 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 797                         struct mwifiex_802_11_ssid *adhoc_ssid);
 798 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 799                        struct mwifiex_bssdescriptor *bss_desc);
 800 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 801                                     struct host_cmd_ds_command *cmd,
 802                                     void *data_buf);
 803 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 804                                    struct host_cmd_ds_command *cmd,
 805                                    void *data_buf);
 806 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 807                               struct host_cmd_ds_command *resp);
 808 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 809 struct mwifiex_chan_freq_power *
 810                         mwifiex_get_cfp_by_band_and_channel_from_cfg80211(
 811                                                 struct mwifiex_private *priv,
 812                                                 u8 band, u16 channel);
 813 struct mwifiex_chan_freq_power *mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
 814                                                 struct mwifiex_private *priv,
 815                                                 u8 band, u32 freq);
 816 u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info);
 817 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 818 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 819                                 u8 **buffer);
 820 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 821                                     u8 *rates);
 822 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 823 u8 mwifiex_data_rate_to_index(u32 rate);
 824 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 825 int mwifiex_get_rate_index(u16 *rateBitmap, int size);
 826 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 827 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 828 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 829 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 830                             struct host_cmd_ds_command *cmd);
 831 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 832                             struct host_cmd_ds_command *resp);
 833 int is_command_pending(struct mwifiex_adapter *adapter);
 834
 835 /*
 836  * This function checks if the queuing is RA based or not.
 837  */
 838 static inline u8
 839 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 840 {
 841         /*
 842          * Currently we assume if we are in Infra, then DA=RA. This might not be
 843          * true in the future
 844          */
 845         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 846             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 847                 return false;
 848
 849         return true;
 850 }
 851
 852 /*
 853  * This function copies rates.
 854  */
 855 static inline u32
 856 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 857 {
 858         int i;
 859
 860         for (i = 0; i < len && src[i]; i++, pos++) {
 861                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 862                         break;
 863                 dest[pos] = src[i];
 864         }
 865
 866         return pos;
 867 }
 868
 869 /*
 870  * This function returns the correct private structure pointer based
 871  * upon the BSS type and BSS number.
 872  */
 873 static inline struct mwifiex_private *
 874 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 875                        u8 bss_num, u8 bss_type)
 876 {
 877         int i;
 878
 879         for (i = 0; i < adapter->priv_num; i++) {
 880                 if (adapter->priv[i]) {
 881                         if ((adapter->priv[i]->bss_num == bss_num)
 882                             && (adapter->priv[i]->bss_type == bss_type))
 883                                 break;
 884                 }
 885         }
 886         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 887 }
 888
 889 /*
 890  * This function returns the first available private structure pointer
 891  * based upon the BSS role.
 892  */
 893 static inline struct mwifiex_private *
 894 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 895                  enum mwifiex_bss_role bss_role)
 896 {
 897         int i;
 898
 899         for (i = 0; i < adapter->priv_num; i++) {
 900                 if (adapter->priv[i]) {
 901                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 902                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 903                                 break;
 904                 }
 905         }
 906
 907         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 908 }
 909
 910 /*
 911  * This function returns the driver private structure of a network device.
 912  */
 913 static inline struct mwifiex_private *
 914 mwifiex_netdev_get_priv(struct net_device *dev)
 915 {
 916         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 917 }
 918
 919 struct mwifiex_private *mwifiex_bss_index_to_priv(struct mwifiex_adapter
 920                                                 *adapter, u8 bss_index);
 921 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 922                              u32 func_init_shutdown);
 923 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *);
 924 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 925
 926 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 927                          int maxlen);
 928 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 929                         struct mwifiex_multicast_list *mcast_list);
 930 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 931                             struct net_device *dev);
 932 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 933 int mwifiex_bss_start(struct mwifiex_private *priv,
 934                       struct mwifiex_ssid_bssid *ssid_bssid);
 935 int mwifiex_set_hs_params(struct mwifiex_private *priv,
 936                               u16 action, int cmd_type,
 937                               struct mwifiex_ds_hs_cfg *hscfg);
 938 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 939 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 940 int mwifiex_get_signal_info(struct mwifiex_private *priv,
 941                             struct mwifiex_ds_get_signal *signal);
 942 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 943                               struct mwifiex_rate_cfg *rate);
 944 int mwifiex_find_best_bss(struct mwifiex_private *priv,
 945                           struct mwifiex_ssid_bssid *ssid_bssid);
 946 int mwifiex_request_scan(struct mwifiex_private *priv,
 947                          struct mwifiex_802_11_ssid *req_ssid);
 948 int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
 949                                 struct mwifiex_user_scan_cfg *scan_req);
 950 int mwifiex_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 951 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 952
 953 int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel);
 954
 955 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
 956                        int key_len, u8 key_index, int disable);
 957
 958 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 959
 960 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 961
 962 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 963                            struct mwifiex_ds_get_stats *log);
 964
 965 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 966                       u32 reg_offset, u32 reg_value);
 967
 968 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 969                      u32 reg_offset, u32 *value);
 970
 971 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
 972                         u8 *value);
 973
 974 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
 975
 976 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
 977
 978 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
 979
 980 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
 981
 982 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
 983
 984 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
 985                                    char *version, int max_len);
 986
 987 int mwifiex_set_tx_power(struct mwifiex_private *priv,
 988                          struct mwifiex_power_cfg *power_cfg);
 989
 990 int mwifiex_main_process(struct mwifiex_adapter *);
 991
 992 int mwifiex_bss_set_channel(struct mwifiex_private *,
 993                             struct mwifiex_chan_freq_power *cfp);
 994 int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *,
 995                                struct mwifiex_ssid_bssid *);
 996 int mwifiex_set_radio_band_cfg(struct mwifiex_private *,
 997                          struct mwifiex_ds_band_cfg *);
 998 int mwifiex_get_bss_info(struct mwifiex_private *,
 999                          struct mwifiex_bss_info *);
1000
1001 #ifdef CONFIG_DEBUG_FS
1002 void mwifiex_debugfs_init(void);
1003 void mwifiex_debugfs_remove(void);
1004
1005 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1006 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1007 #endif
1008 #endif /* !_MWIFIEX_MAIN_H_ */