drivers/net/wireless/mwifiex/main.h

   1 /*
   2  * Marvell Wireless LAN device driver: major data structures and prototypes
   3  *
   4  * Copyright (C) 2011, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_MAIN_H_
  21 #define _MWIFIEX_MAIN_H_
  22
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/sched.h>
  26 #include <linux/semaphore.h>
  27 #include <linux/ip.h>
  28 #include <linux/skbuff.h>
  29 #include <linux/if_arp.h>
  30 #include <linux/etherdevice.h>
  31 #include <net/sock.h>
  32 #include <net/lib80211.h>
  33 #include <linux/firmware.h>
  34 #include <linux/ctype.h>
  35
  36 #include "decl.h"
  37 #include "ioctl.h"
  38 #include "util.h"
  39 #include "fw.h"
  40 #include "pcie.h"
  41
  42 extern const char driver_version[];
  43
  44 enum {
  45         MWIFIEX_ASYNC_CMD,
  46         MWIFIEX_SYNC_CMD
  47 };
  48
  49 #define MWIFIEX_MAX_AP                          64
  50
  51 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT        (5 * HZ)
  52
  53 #define MWIFIEX_TIMER_10S                       10000
  54 #define MWIFIEX_TIMER_1S                        1000
  55
  56 #define MAX_TX_PENDING      100
  57 #define LOW_TX_PENDING      80
  58
  59 #define MWIFIEX_UPLD_SIZE               (2312)
  60
  61 #define MAX_EVENT_SIZE                  1024
  62
  63 #define ARP_FILTER_MAX_BUF_SIZE         68
  64
  65 #define MWIFIEX_KEY_BUFFER_SIZE                 16
  66 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  67 #define MWIFIEX_MAX_REGION_CODE         7
  68
  69 #define DEFAULT_BCN_AVG_FACTOR          8
  70 #define DEFAULT_DATA_AVG_FACTOR         8
  71
  72 #define FIRST_VALID_CHANNEL                             0xff
  73 #define DEFAULT_AD_HOC_CHANNEL                  6
  74 #define DEFAULT_AD_HOC_CHANNEL_A                36
  75
  76 #define DEFAULT_BCN_MISS_TIMEOUT                5
  77
  78 #define MAX_SCAN_BEACON_BUFFER                  8000
  79
  80 #define SCAN_BEACON_ENTRY_PAD                   6
  81
  82 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME  200
  83 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   200
  84 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 110
  85
  86 #define SCAN_RSSI(RSSI)                                 (0x100 - ((u8)(RSSI)))
  87
  88 #define MWIFIEX_MAX_TOTAL_SCAN_TIME     (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
  89
  90 #define RSN_GTK_OUI_OFFSET                              2
  91
  92 #define MWIFIEX_OUI_NOT_PRESENT                 0
  93 #define MWIFIEX_OUI_PRESENT                             1
  94
  95 /*
  96  * Do not check for data_received for USB, as data_received
  97  * is handled in mwifiex_usb_recv for USB
  98  */
  99 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 100                                 adapter->event_received || \
 101                                 ((adapter->iface_type != MWIFIEX_USB) && \
 102                                 adapter->data_received) || \
 103                                 ((adapter->iface_type == MWIFIEX_USB) && \
 104                                 !skb_queue_empty(&adapter->usb_rx_data_q)))
 105
 106 #define MWIFIEX_TYPE_CMD                                1
 107 #define MWIFIEX_TYPE_DATA                               0
 108 #define MWIFIEX_TYPE_EVENT                              3
 109
 110 #define DBG_CMD_NUM                                             5
 111
 112 #define MAX_BITMAP_RATES_SIZE                   10
 113
 114 #define MAX_CHANNEL_BAND_BG     14
 115
 116 #define MAX_FREQUENCY_BAND_BG   2484
 117
 118 #define MWIFIEX_EVENT_HEADER_LEN           4
 119
 120 #define MWIFIEX_TYPE_LEN                        4
 121 #define MWIFIEX_USB_TYPE_CMD                    0xF00DFACE
 122 #define MWIFIEX_USB_TYPE_DATA                   0xBEADC0DE
 123 #define MWIFIEX_USB_TYPE_EVENT                  0xBEEFFACE
 124
 125 struct mwifiex_dbg {
 126         u32 num_cmd_host_to_card_failure;
 127         u32 num_cmd_sleep_cfm_host_to_card_failure;
 128         u32 num_tx_host_to_card_failure;
 129         u32 num_event_deauth;
 130         u32 num_event_disassoc;
 131         u32 num_event_link_lost;
 132         u32 num_cmd_deauth;
 133         u32 num_cmd_assoc_success;
 134         u32 num_cmd_assoc_failure;
 135         u32 num_tx_timeout;
 136         u32 num_cmd_timeout;
 137         u16 timeout_cmd_id;
 138         u16 timeout_cmd_act;
 139         u16 last_cmd_id[DBG_CMD_NUM];
 140         u16 last_cmd_act[DBG_CMD_NUM];
 141         u16 last_cmd_index;
 142         u16 last_cmd_resp_id[DBG_CMD_NUM];
 143         u16 last_cmd_resp_index;
 144         u16 last_event[DBG_CMD_NUM];
 145         u16 last_event_index;
 146 };
 147
 148 enum MWIFIEX_HARDWARE_STATUS {
 149         MWIFIEX_HW_STATUS_READY,
 150         MWIFIEX_HW_STATUS_INITIALIZING,
 151         MWIFIEX_HW_STATUS_FW_READY,
 152         MWIFIEX_HW_STATUS_INIT_DONE,
 153         MWIFIEX_HW_STATUS_RESET,
 154         MWIFIEX_HW_STATUS_CLOSING,
 155         MWIFIEX_HW_STATUS_NOT_READY
 156 };
 157
 158 enum MWIFIEX_802_11_POWER_MODE {
 159         MWIFIEX_802_11_POWER_MODE_CAM,
 160         MWIFIEX_802_11_POWER_MODE_PSP
 161 };
 162
 163 struct mwifiex_tx_param {
 164         u32 next_pkt_len;
 165 };
 166
 167 enum MWIFIEX_PS_STATE {
 168         PS_STATE_AWAKE,
 169         PS_STATE_PRE_SLEEP,
 170         PS_STATE_SLEEP_CFM,
 171         PS_STATE_SLEEP
 172 };
 173
 174 enum mwifiex_iface_type {
 175         MWIFIEX_SDIO,
 176         MWIFIEX_PCIE,
 177         MWIFIEX_USB
 178 };
 179
 180 struct mwifiex_add_ba_param {
 181         u32 tx_win_size;
 182         u32 rx_win_size;
 183         u32 timeout;
 184 };
 185
 186 struct mwifiex_tx_aggr {
 187         u8 ampdu_user;
 188         u8 ampdu_ap;
 189         u8 amsdu;
 190 };
 191
 192 struct mwifiex_ra_list_tbl {
 193         struct list_head list;
 194         struct sk_buff_head skb_head;
 195         u8 ra[ETH_ALEN];
 196         u32 total_pkts_size;
 197         u32 is_11n_enabled;
 198 };
 199
 200 struct mwifiex_tid_tbl {
 201         struct list_head ra_list;
 202         /* spin lock for tid table */
 203         spinlock_t tid_tbl_lock;
 204         struct mwifiex_ra_list_tbl *ra_list_curr;
 205 };
 206
 207 #define WMM_HIGHEST_PRIORITY            7
 208 #define HIGH_PRIO_TID                           7
 209 #define LOW_PRIO_TID                            0
 210 #define NO_PKT_PRIO_TID                         (-1)
 211
 212 struct mwifiex_wmm_desc {
 213         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 214         u32 packets_out[MAX_NUM_TID];
 215         /* spin lock to protect ra_list */
 216         spinlock_t ra_list_spinlock;
 217         struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
 218         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
 219         u32 drv_pkt_delay_max;
 220         u8 queue_priority[IEEE80211_NUM_ACS];
 221         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 222         /* Number of transmit packets queued */
 223         atomic_t tx_pkts_queued;
 224         /* Tracks highest priority with a packet queued */
 225         atomic_t highest_queued_prio;
 226 };
 227
 228 struct mwifiex_802_11_security {
 229         u8 wpa_enabled;
 230         u8 wpa2_enabled;
 231         u8 wapi_enabled;
 232         u8 wapi_key_on;
 233         u8 wep_enabled;
 234         u32 authentication_mode;
 235         u8 is_authtype_auto;
 236         u32 encryption_mode;
 237 };
 238
 239 struct ieee_types_header {
 240         u8 element_id;
 241         u8 len;
 242 } __packed;
 243
 244 #define MWIFIEX_SUPPORTED_RATES                 14
 245
 246 #define MWIFIEX_SUPPORTED_RATES_EXT             32
 247
 248 struct ieee_types_vendor_specific {
 249         struct ieee_types_vendor_header vend_hdr;
 250         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 251 } __packed;
 252
 253 struct ieee_types_generic {
 254         struct ieee_types_header ieee_hdr;
 255         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 256 } __packed;
 257
 258 struct mwifiex_bssdescriptor {
 259         u8 mac_address[ETH_ALEN];
 260         struct cfg80211_ssid ssid;
 261         u32 privacy;
 262         s32 rssi;
 263         u32 channel;
 264         u32 freq;
 265         u16 beacon_period;
 266         u8 erp_flags;
 267         u32 bss_mode;
 268         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 269         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 270         /* Network band.
 271          * BAND_B(0x01): 'b' band
 272          * BAND_G(0x02): 'g' band
 273          * BAND_A(0X04): 'a' band
 274          */
 275         u16 bss_band;
 276         u64 fw_tsf;
 277         u64 timestamp;
 278         union ieee_types_phy_param_set phy_param_set;
 279         union ieee_types_ss_param_set ss_param_set;
 280         u16 cap_info_bitmap;
 281         struct ieee_types_wmm_parameter wmm_ie;
 282         u8  disable_11n;
 283         struct ieee80211_ht_cap *bcn_ht_cap;
 284         u16 ht_cap_offset;
 285         struct ieee80211_ht_operation *bcn_ht_oper;
 286         u16 ht_info_offset;
 287         u8 *bcn_bss_co_2040;
 288         u16 bss_co_2040_offset;
 289         u8 *bcn_ext_cap;
 290         u16 ext_cap_offset;
 291         struct ieee_types_vendor_specific *bcn_wpa_ie;
 292         u16 wpa_offset;
 293         struct ieee_types_generic *bcn_rsn_ie;
 294         u16 rsn_offset;
 295         struct ieee_types_generic *bcn_wapi_ie;
 296         u16 wapi_offset;
 297         u8 *beacon_buf;
 298         u32 beacon_buf_size;
 299 };
 300
 301 struct mwifiex_current_bss_params {
 302         struct mwifiex_bssdescriptor bss_descriptor;
 303         u8 wmm_enabled;
 304         u8 wmm_uapsd_enabled;
 305         u8 band;
 306         u32 num_of_rates;
 307         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 308 };
 309
 310 struct mwifiex_sleep_params {
 311         u16 sp_error;
 312         u16 sp_offset;
 313         u16 sp_stable_time;
 314         u8 sp_cal_control;
 315         u8 sp_ext_sleep_clk;
 316         u16 sp_reserved;
 317 };
 318
 319 struct mwifiex_sleep_period {
 320         u16 period;
 321         u16 reserved;
 322 };
 323
 324 struct mwifiex_wep_key {
 325         u32 length;
 326         u32 key_index;
 327         u32 key_length;
 328         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 329 };
 330
 331 #define MAX_REGION_CHANNEL_NUM  2
 332
 333 struct mwifiex_chan_freq_power {
 334         u16 channel;
 335         u32 freq;
 336         u16 max_tx_power;
 337         u8 unsupported;
 338 };
 339
 340 enum state_11d_t {
 341         DISABLE_11D = 0,
 342         ENABLE_11D = 1,
 343 };
 344
 345 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 346
 347 struct mwifiex_802_11d_domain_reg {
 348         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 349         u8 no_of_triplet;
 350         struct ieee80211_country_ie_triplet
 351                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 352 };
 353
 354 struct mwifiex_vendor_spec_cfg_ie {
 355         u16 mask;
 356         u16 flag;
 357         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 358 };
 359
 360 struct wps {
 361         u8 session_enable;
 362 };
 363
 364 struct mwifiex_adapter;
 365 struct mwifiex_private;
 366
 367 struct mwifiex_private {
 368         struct mwifiex_adapter *adapter;
 369         u8 bss_type;
 370         u8 bss_role;
 371         u8 bss_priority;
 372         u8 bss_num;
 373         u8 bss_started;
 374         u8 frame_type;
 375         u8 curr_addr[ETH_ALEN];
 376         u8 media_connected;
 377         u32 num_tx_timeout;
 378         struct net_device *netdev;
 379         struct net_device_stats stats;
 380         u16 curr_pkt_filter;
 381         u32 bss_mode;
 382         u32 pkt_tx_ctrl;
 383         u16 tx_power_level;
 384         u8 max_tx_power_level;
 385         u8 min_tx_power_level;
 386         u8 tx_rate;
 387         u8 tx_htinfo;
 388         u8 rxpd_htinfo;
 389         u8 rxpd_rate;
 390         u16 rate_bitmap;
 391         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 392         u32 data_rate;
 393         u8 is_data_rate_auto;
 394         u16 bcn_avg_factor;
 395         u16 data_avg_factor;
 396         s16 data_rssi_last;
 397         s16 data_nf_last;
 398         s16 data_rssi_avg;
 399         s16 data_nf_avg;
 400         s16 bcn_rssi_last;
 401         s16 bcn_nf_last;
 402         s16 bcn_rssi_avg;
 403         s16 bcn_nf_avg;
 404         struct mwifiex_bssdescriptor *attempted_bss_desc;
 405         struct cfg80211_ssid prev_ssid;
 406         u8 prev_bssid[ETH_ALEN];
 407         struct mwifiex_current_bss_params curr_bss_params;
 408         u16 beacon_period;
 409         u8 dtim_period;
 410         u16 listen_interval;
 411         u16 atim_window;
 412         u8 adhoc_channel;
 413         u8 adhoc_is_link_sensed;
 414         u8 adhoc_state;
 415         struct mwifiex_802_11_security sec_info;
 416         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 417         u16 wep_key_curr_index;
 418         u8 wpa_ie[256];
 419         u8 wpa_ie_len;
 420         u8 wpa_is_gtk_set;
 421         struct host_cmd_ds_802_11_key_material aes_key;
 422         u8 wapi_ie[256];
 423         u8 wapi_ie_len;
 424         u8 *wps_ie;
 425         u8 wps_ie_len;
 426         u8 wmm_required;
 427         u8 wmm_enabled;
 428         u8 wmm_qosinfo;
 429         struct mwifiex_wmm_desc wmm;
 430         struct list_head tx_ba_stream_tbl_ptr;
 431         /* spin lock for tx_ba_stream_tbl_ptr queue */
 432         spinlock_t tx_ba_stream_tbl_lock;
 433         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 434         struct mwifiex_add_ba_param add_ba_param;
 435         u16 rx_seq[MAX_NUM_TID];
 436         struct list_head rx_reorder_tbl_ptr;
 437         /* spin lock for rx_reorder_tbl_ptr queue */
 438         spinlock_t rx_reorder_tbl_lock;
 439         /* spin lock for Rx packets */
 440         spinlock_t rx_pkt_lock;
 441
 442 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 443         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 444         u32 assoc_rsp_size;
 445
 446 #define MWIFIEX_GENIE_BUF_SIZE      256
 447         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 448         u8 gen_ie_buf_len;
 449
 450         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 451
 452 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 453         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 454         u8 assoc_tlv_buf_len;
 455
 456         u8 *curr_bcn_buf;
 457         u32 curr_bcn_size;
 458         /* spin lock for beacon buffer */
 459         spinlock_t curr_bcn_buf_lock;
 460         struct wireless_dev *wdev;
 461         struct mwifiex_chan_freq_power cfp;
 462         char version_str[128];
 463 #ifdef CONFIG_DEBUG_FS
 464         struct dentry *dfs_dev_dir;
 465 #endif
 466         u8 nick_name[16];
 467         u16 current_key_index;
 468         struct semaphore async_sem;
 469         u8 scan_pending_on_block;
 470         u8 report_scan_result;
 471         struct cfg80211_scan_request *scan_request;
 472         struct mwifiex_user_scan_cfg *user_scan_cfg;
 473         u8 cfg_bssid[6];
 474         struct wps wps;
 475         u8 scan_block;
 476         s32 cqm_rssi_thold;
 477         u32 cqm_rssi_hyst;
 478         u8 subsc_evt_rssi_state;
 479 };
 480
 481 enum mwifiex_ba_status {
 482         BA_SETUP_NONE = 0,
 483         BA_SETUP_INPROGRESS,
 484         BA_SETUP_COMPLETE
 485 };
 486
 487 struct mwifiex_tx_ba_stream_tbl {
 488         struct list_head list;
 489         int tid;
 490         u8 ra[ETH_ALEN];
 491         enum mwifiex_ba_status ba_status;
 492 };
 493
 494 struct mwifiex_rx_reorder_tbl;
 495
 496 struct reorder_tmr_cnxt {
 497         struct timer_list timer;
 498         struct mwifiex_rx_reorder_tbl *ptr;
 499         struct mwifiex_private *priv;
 500 };
 501
 502 struct mwifiex_rx_reorder_tbl {
 503         struct list_head list;
 504         int tid;
 505         u8 ta[ETH_ALEN];
 506         int start_win;
 507         int win_size;
 508         void **rx_reorder_ptr;
 509         struct reorder_tmr_cnxt timer_context;
 510 };
 511
 512 struct mwifiex_bss_prio_node {
 513         struct list_head list;
 514         struct mwifiex_private *priv;
 515 };
 516
 517 struct mwifiex_bss_prio_tbl {
 518         struct list_head bss_prio_head;
 519         /* spin lock for bss priority  */
 520         spinlock_t bss_prio_lock;
 521         struct mwifiex_bss_prio_node *bss_prio_cur;
 522 };
 523
 524 struct cmd_ctrl_node {
 525         struct list_head list;
 526         struct mwifiex_private *priv;
 527         u32 cmd_oid;
 528         u32 cmd_flag;
 529         struct sk_buff *cmd_skb;
 530         struct sk_buff *resp_skb;
 531         void *data_buf;
 532         u32 wait_q_enabled;
 533         struct sk_buff *skb;
 534         u8 *condition;
 535         u8 cmd_wait_q_woken;
 536 };
 537
 538 struct mwifiex_bss_priv {
 539         u8 band;
 540         u64 fw_tsf;
 541 };
 542
 543 struct mwifiex_if_ops {
 544         int (*init_if) (struct mwifiex_adapter *);
 545         void (*cleanup_if) (struct mwifiex_adapter *);
 546         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 547         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 548         int (*register_dev) (struct mwifiex_adapter *);
 549         void (*unregister_dev) (struct mwifiex_adapter *);
 550         int (*enable_int) (struct mwifiex_adapter *);
 551         int (*process_int_status) (struct mwifiex_adapter *);
 552         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 553                              struct mwifiex_tx_param *);
 554         int (*wakeup) (struct mwifiex_adapter *);
 555         int (*wakeup_complete) (struct mwifiex_adapter *);
 556
 557         /* Interface specific functions */
 558         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 559         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 560         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 561         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 562         int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
 563         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 564 };
 565
 566 struct mwifiex_adapter {
 567         u8 iface_type;
 568         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 569         u8 priv_num;
 570         const struct firmware *firmware;
 571         char fw_name[32];
 572         int winner;
 573         struct device *dev;
 574         struct wiphy *wiphy;
 575         bool surprise_removed;
 576         u32 fw_release_number;
 577         u16 init_wait_q_woken;
 578         wait_queue_head_t init_wait_q;
 579         void *card;
 580         struct mwifiex_if_ops if_ops;
 581         atomic_t rx_pending;
 582         atomic_t tx_pending;
 583         atomic_t cmd_pending;
 584         struct workqueue_struct *workqueue;
 585         struct work_struct main_work;
 586         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 587         /* spin lock for init/shutdown */
 588         spinlock_t mwifiex_lock;
 589         /* spin lock for main process */
 590         spinlock_t main_proc_lock;
 591         u32 mwifiex_processing;
 592         u16 max_tx_buf_size;
 593         u16 tx_buf_size;
 594         u16 curr_tx_buf_size;
 595         u32 ioport;
 596         enum MWIFIEX_HARDWARE_STATUS hw_status;
 597         u16 number_of_antenna;
 598         u32 fw_cap_info;
 599         /* spin lock for interrupt handling */
 600         spinlock_t int_lock;
 601         u8 int_status;
 602         u32 event_cause;
 603         struct sk_buff *event_skb;
 604         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 605         u8 data_sent;
 606         u8 cmd_sent;
 607         u8 cmd_resp_received;
 608         u8 event_received;
 609         u8 data_received;
 610         u16 seq_num;
 611         struct cmd_ctrl_node *cmd_pool;
 612         struct cmd_ctrl_node *curr_cmd;
 613         /* spin lock for command */
 614         spinlock_t mwifiex_cmd_lock;
 615         u32 num_cmd_timeout;
 616         u16 last_init_cmd;
 617         struct timer_list cmd_timer;
 618         struct list_head cmd_free_q;
 619         /* spin lock for cmd_free_q */
 620         spinlock_t cmd_free_q_lock;
 621         struct list_head cmd_pending_q;
 622         /* spin lock for cmd_pending_q */
 623         spinlock_t cmd_pending_q_lock;
 624         struct list_head scan_pending_q;
 625         /* spin lock for scan_pending_q */
 626         spinlock_t scan_pending_q_lock;
 627         struct sk_buff_head usb_rx_data_q;
 628         u32 scan_processing;
 629         u16 region_code;
 630         struct mwifiex_802_11d_domain_reg domain_reg;
 631         u16 scan_probes;
 632         u32 scan_mode;
 633         u16 specific_scan_time;
 634         u16 active_scan_time;
 635         u16 passive_scan_time;
 636         u8 fw_bands;
 637         u8 adhoc_start_band;
 638         u8 config_bands;
 639         struct mwifiex_chan_scan_param_set *scan_channels;
 640         u8 tx_lock_flag;
 641         struct mwifiex_sleep_params sleep_params;
 642         struct mwifiex_sleep_period sleep_period;
 643         u16 ps_mode;
 644         u32 ps_state;
 645         u8 need_to_wakeup;
 646         u16 multiple_dtim;
 647         u16 local_listen_interval;
 648         u16 null_pkt_interval;
 649         struct sk_buff *sleep_cfm;
 650         u16 bcn_miss_time_out;
 651         u16 adhoc_awake_period;
 652         u8 is_deep_sleep;
 653         u8 delay_null_pkt;
 654         u16 delay_to_ps;
 655         u16 enhanced_ps_mode;
 656         u8 pm_wakeup_card_req;
 657         u16 gen_null_pkt;
 658         u16 pps_uapsd_mode;
 659         u32 pm_wakeup_fw_try;
 660         u8 is_hs_configured;
 661         struct mwifiex_hs_config_param hs_cfg;
 662         u8 hs_activated;
 663         u16 hs_activate_wait_q_woken;
 664         wait_queue_head_t hs_activate_wait_q;
 665         bool is_suspended;
 666         u8 event_body[MAX_EVENT_SIZE];
 667         u32 hw_dot_11n_dev_cap;
 668         u8 hw_dev_mcs_support;
 669         u8 adhoc_11n_enabled;
 670         u8 sec_chan_offset;
 671         enum nl80211_channel_type channel_type;
 672         struct mwifiex_dbg dbg;
 673         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 674         u32 arp_filter_size;
 675         u16 cmd_wait_q_required;
 676         struct mwifiex_wait_queue cmd_wait_q;
 677         u8 scan_wait_q_woken;
 678         struct cmd_ctrl_node *cmd_queued;
 679         spinlock_t queue_lock;          /* lock for tx queues */
 680         struct completion fw_load;
 681         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 682 };
 683
 684 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 685
 686 void mwifiex_set_trans_start(struct net_device *dev);
 687
 688 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
 689                 struct mwifiex_adapter *adapter);
 690
 691 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
 692                 struct mwifiex_adapter *adapter);
 693
 694 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 695
 696 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 697
 698 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 699
 700 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 701
 702 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 703
 704 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 705
 706 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 707
 708 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 709                          struct cmd_ctrl_node *cmd_node);
 710
 711 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 712                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 713
 714 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 715                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 716
 717 void mwifiex_cmd_timeout_func(unsigned long function_context);
 718
 719 int mwifiex_get_debug_info(struct mwifiex_private *,
 720                            struct mwifiex_debug_info *);
 721
 722 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 723 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 724 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 725 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 726
 727 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 728                                   struct cmd_ctrl_node *cmd_node);
 729
 730 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 731                                      struct cmd_ctrl_node *cmd_node,
 732                                      u32 addtail);
 733
 734 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 735 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 736 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 737                              struct sk_buff *skb);
 738 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 739                        struct mwifiex_tx_param *tx_param);
 740 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 741 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 742                                 struct sk_buff *skb, int status);
 743 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 744 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 745 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 746 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 747                                         u32);
 748 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 749                                struct host_cmd_ds_command *cmd,
 750                                u16 cmd_action, uint16_t ps_bitmap,
 751                                struct mwifiex_ds_auto_ds *auto_ds);
 752 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 753                                struct host_cmd_ds_command *resp,
 754                                struct mwifiex_ds_pm_cfg *pm_cfg);
 755 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 756 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 757                                         u8 activated);
 758 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 759                               struct host_cmd_ds_command *resp);
 760 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 761                               struct sk_buff *skb);
 762 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 763                             u16 cmd_action, u32 cmd_oid,
 764                             void *data_buf, void *cmd_buf);
 765 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 766                             u16 cmd_action, u32 cmd_oid,
 767                             void *data_buf, void *cmd_buf);
 768 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 769                                 struct host_cmd_ds_command *resp);
 770 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 771                                   struct sk_buff *skb);
 772 int mwifiex_process_sta_event(struct mwifiex_private *);
 773 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 774 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 775 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 776                             struct mwifiex_scan_cmd_config *scan_cfg);
 777 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 778                             struct cmd_ctrl_node *cmd_node);
 779 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 780                             struct host_cmd_ds_command *resp);
 781 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_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 *cmd,
 786                                  struct mwifiex_bssdescriptor *bss_desc);
 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 u8 mwifiex_band_to_radio_type(u8 band);
 791 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 792 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 793                         struct cfg80211_ssid *adhoc_ssid);
 794 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 795                        struct mwifiex_bssdescriptor *bss_desc);
 796 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 797                                     struct host_cmd_ds_command *cmd,
 798                                     struct cfg80211_ssid *req_ssid);
 799 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 800                                    struct host_cmd_ds_command *cmd,
 801                                    struct mwifiex_bssdescriptor *bss_desc);
 802 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 803                               struct host_cmd_ds_command *resp);
 804 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 805 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
 806                                                 u8 band, u16 channel, u32 freq);
 807 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
 808                                                         u8 ht_info);
 809 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 810 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 811                                 u8 **buffer);
 812 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 813                                     u8 *rates);
 814 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 815 u8 mwifiex_data_rate_to_index(u32 rate);
 816 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 817 int mwifiex_get_rate_index(u16 *rateBitmap, int size);
 818 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 819 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 820 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 821 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 822                             struct host_cmd_ds_command *cmd);
 823 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 824                             struct host_cmd_ds_command *resp);
 825 int is_command_pending(struct mwifiex_adapter *adapter);
 826 void mwifiex_init_priv_params(struct mwifiex_private *priv,
 827                                                 struct net_device *dev);
 828
 829 /*
 830  * This function checks if the queuing is RA based or not.
 831  */
 832 static inline u8
 833 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 834 {
 835         /*
 836          * Currently we assume if we are in Infra, then DA=RA. This might not be
 837          * true in the future
 838          */
 839         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 840             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 841                 return false;
 842
 843         return true;
 844 }
 845
 846 /*
 847  * This function copies rates.
 848  */
 849 static inline u32
 850 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 851 {
 852         int i;
 853
 854         for (i = 0; i < len && src[i]; i++, pos++) {
 855                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 856                         break;
 857                 dest[pos] = src[i];
 858         }
 859
 860         return pos;
 861 }
 862
 863 /*
 864  * This function returns the correct private structure pointer based
 865  * upon the BSS type and BSS number.
 866  */
 867 static inline struct mwifiex_private *
 868 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 869                        u8 bss_num, u8 bss_type)
 870 {
 871         int i;
 872
 873         for (i = 0; i < adapter->priv_num; i++) {
 874                 if (adapter->priv[i]) {
 875                         if ((adapter->priv[i]->bss_num == bss_num) &&
 876                             (adapter->priv[i]->bss_type == bss_type))
 877                                 break;
 878                 }
 879         }
 880         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 881 }
 882
 883 /*
 884  * This function returns the first available private structure pointer
 885  * based upon the BSS role.
 886  */
 887 static inline struct mwifiex_private *
 888 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 889                  enum mwifiex_bss_role bss_role)
 890 {
 891         int i;
 892
 893         for (i = 0; i < adapter->priv_num; i++) {
 894                 if (adapter->priv[i]) {
 895                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 896                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 897                                 break;
 898                 }
 899         }
 900
 901         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 902 }
 903
 904 /*
 905  * This function returns the driver private structure of a network device.
 906  */
 907 static inline struct mwifiex_private *
 908 mwifiex_netdev_get_priv(struct net_device *dev)
 909 {
 910         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 911 }
 912
 913 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 914                              u32 func_init_shutdown);
 915 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
 916 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 917
 918 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 919                          int maxlen);
 920 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 921                         struct mwifiex_multicast_list *mcast_list);
 922 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 923                             struct net_device *dev);
 924 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 925 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 926                       struct cfg80211_ssid *req_ssid);
 927 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 928 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 929 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
 930 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 931                               struct mwifiex_rate_cfg *rate);
 932 int mwifiex_request_scan(struct mwifiex_private *priv,
 933                          struct cfg80211_ssid *req_ssid);
 934 int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
 935                                 struct mwifiex_user_scan_cfg *scan_req);
 936 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 937
 938 int mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel);
 939
 940 int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
 941                        int key_len, u8 key_index, const u8 *mac_addr,
 942                        int disable);
 943
 944 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
 945
 946 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
 947
 948 int mwifiex_get_stats_info(struct mwifiex_private *priv,
 949                            struct mwifiex_ds_get_stats *log);
 950
 951 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
 952                       u32 reg_offset, u32 reg_value);
 953
 954 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
 955                      u32 reg_offset, u32 *value);
 956
 957 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
 958                         u8 *value);
 959
 960 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
 961
 962 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
 963
 964 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
 965
 966 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
 967
 968 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
 969
 970 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
 971                                    char *version, int max_len);
 972
 973 int mwifiex_set_tx_power(struct mwifiex_private *priv,
 974                          struct mwifiex_power_cfg *power_cfg);
 975
 976 int mwifiex_main_process(struct mwifiex_adapter *);
 977
 978 int mwifiex_bss_set_channel(struct mwifiex_private *,
 979                             struct mwifiex_chan_freq_power *cfp);
 980 int mwifiex_get_bss_info(struct mwifiex_private *,
 981                          struct mwifiex_bss_info *);
 982 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 983                               struct cfg80211_bss *bss,
 984                               struct mwifiex_bssdescriptor *bss_desc);
 985 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 986                                     struct mwifiex_bssdescriptor *bss_entry);
 987 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
 988                                         struct mwifiex_bssdescriptor *bss_desc);
 989
 990 struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
 991                                         char *name, enum nl80211_iftype type,
 992                                         u32 *flags, struct vif_params *params);
 993 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev);
 994
 995 u8 *mwifiex_11d_code_2_region(u8 code);
 996
 997 #ifdef CONFIG_DEBUG_FS
 998 void mwifiex_debugfs_init(void);
 999 void mwifiex_debugfs_remove(void);
1000
1001 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1002 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1003 #endif
1004 #endif /* !_MWIFIEX_MAIN_H_ */