drivers/net/wireless/mwifiex/main.h

   1 /*
   2  * Marvell Wireless LAN device driver: major data structures and prototypes
   3  *
   4  * Copyright (C) 2011, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_MAIN_H_
  21 #define _MWIFIEX_MAIN_H_
  22
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/sched.h>
  26 #include <linux/semaphore.h>
  27 #include <linux/ip.h>
  28 #include <linux/skbuff.h>
  29 #include <linux/if_arp.h>
  30 #include <linux/etherdevice.h>
  31 #include <net/sock.h>
  32 #include <net/lib80211.h>
  33 #include <linux/firmware.h>
  34 #include <linux/ctype.h>
  35
  36 #include "decl.h"
  37 #include "ioctl.h"
  38 #include "util.h"
  39 #include "fw.h"
  40 #include "pcie.h"
  41
  42 extern const char driver_version[];
  43
  44 enum {
  45         MWIFIEX_ASYNC_CMD,
  46         MWIFIEX_SYNC_CMD
  47 };
  48
  49 #define MWIFIEX_MAX_AP                          64
  50
  51 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT        (5 * HZ)
  52
  53 #define MWIFIEX_TIMER_10S                       10000
  54 #define MWIFIEX_TIMER_1S                        1000
  55
  56 #define MAX_TX_PENDING      100
  57 #define LOW_TX_PENDING      80
  58
  59 #define MWIFIEX_UPLD_SIZE               (2312)
  60
  61 #define MAX_EVENT_SIZE                  1024
  62
  63 #define ARP_FILTER_MAX_BUF_SIZE         68
  64
  65 #define MWIFIEX_KEY_BUFFER_SIZE                 16
  66 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
  67 #define MWIFIEX_MAX_REGION_CODE         7
  68
  69 #define DEFAULT_BCN_AVG_FACTOR          8
  70 #define DEFAULT_DATA_AVG_FACTOR         8
  71
  72 #define FIRST_VALID_CHANNEL                             0xff
  73 #define DEFAULT_AD_HOC_CHANNEL                  6
  74 #define DEFAULT_AD_HOC_CHANNEL_A                36
  75
  76 #define DEFAULT_BCN_MISS_TIMEOUT                5
  77
  78 #define MAX_SCAN_BEACON_BUFFER                  8000
  79
  80 #define SCAN_BEACON_ENTRY_PAD                   6
  81
  82 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME  110
  83 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME   30
  84 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30
  85
  86 #define SCAN_RSSI(RSSI)                                 (0x100 - ((u8)(RSSI)))
  87
  88 #define MWIFIEX_MAX_TOTAL_SCAN_TIME     (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
  89
  90 #define MWIFIEX_MAX_SCAN_DELAY_CNT                      50
  91 #define MWIFIEX_MAX_EMPTY_TX_Q_CNT                      10
  92 #define MWIFIEX_SCAN_DELAY_MSEC                         20
  93
  94 #define MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN           2
  95
  96 #define RSN_GTK_OUI_OFFSET                              2
  97
  98 #define MWIFIEX_OUI_NOT_PRESENT                 0
  99 #define MWIFIEX_OUI_PRESENT                             1
 100
 101 #define PKT_TYPE_MGMT   0xE5
 102
 103 /*
 104  * Do not check for data_received for USB, as data_received
 105  * is handled in mwifiex_usb_recv for USB
 106  */
 107 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
 108                                 adapter->event_received || \
 109                                 ((adapter->iface_type != MWIFIEX_USB) && \
 110                                 adapter->data_received) || \
 111                                 ((adapter->iface_type == MWIFIEX_USB) && \
 112                                 !skb_queue_empty(&adapter->usb_rx_data_q)))
 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 #define MAX_CHANNEL_BAND_A      165
 124
 125 #define MAX_FREQUENCY_BAND_BG   2484
 126
 127 #define MWIFIEX_EVENT_HEADER_LEN           4
 128 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER     2
 129
 130 #define MWIFIEX_TYPE_LEN                        4
 131 #define MWIFIEX_USB_TYPE_CMD                    0xF00DFACE
 132 #define MWIFIEX_USB_TYPE_DATA                   0xBEADC0DE
 133 #define MWIFIEX_USB_TYPE_EVENT                  0xBEEFFACE
 134
 135 struct mwifiex_dbg {
 136         u32 num_cmd_host_to_card_failure;
 137         u32 num_cmd_sleep_cfm_host_to_card_failure;
 138         u32 num_tx_host_to_card_failure;
 139         u32 num_event_deauth;
 140         u32 num_event_disassoc;
 141         u32 num_event_link_lost;
 142         u32 num_cmd_deauth;
 143         u32 num_cmd_assoc_success;
 144         u32 num_cmd_assoc_failure;
 145         u32 num_tx_timeout;
 146         u32 num_cmd_timeout;
 147         u16 timeout_cmd_id;
 148         u16 timeout_cmd_act;
 149         u16 last_cmd_id[DBG_CMD_NUM];
 150         u16 last_cmd_act[DBG_CMD_NUM];
 151         u16 last_cmd_index;
 152         u16 last_cmd_resp_id[DBG_CMD_NUM];
 153         u16 last_cmd_resp_index;
 154         u16 last_event[DBG_CMD_NUM];
 155         u16 last_event_index;
 156 };
 157
 158 enum MWIFIEX_HARDWARE_STATUS {
 159         MWIFIEX_HW_STATUS_READY,
 160         MWIFIEX_HW_STATUS_INITIALIZING,
 161         MWIFIEX_HW_STATUS_FW_READY,
 162         MWIFIEX_HW_STATUS_INIT_DONE,
 163         MWIFIEX_HW_STATUS_RESET,
 164         MWIFIEX_HW_STATUS_CLOSING,
 165         MWIFIEX_HW_STATUS_NOT_READY
 166 };
 167
 168 enum MWIFIEX_802_11_POWER_MODE {
 169         MWIFIEX_802_11_POWER_MODE_CAM,
 170         MWIFIEX_802_11_POWER_MODE_PSP
 171 };
 172
 173 struct mwifiex_tx_param {
 174         u32 next_pkt_len;
 175 };
 176
 177 enum MWIFIEX_PS_STATE {
 178         PS_STATE_AWAKE,
 179         PS_STATE_PRE_SLEEP,
 180         PS_STATE_SLEEP_CFM,
 181         PS_STATE_SLEEP
 182 };
 183
 184 enum mwifiex_iface_type {
 185         MWIFIEX_SDIO,
 186         MWIFIEX_PCIE,
 187         MWIFIEX_USB
 188 };
 189
 190 struct mwifiex_add_ba_param {
 191         u32 tx_win_size;
 192         u32 rx_win_size;
 193         u32 timeout;
 194 };
 195
 196 struct mwifiex_tx_aggr {
 197         u8 ampdu_user;
 198         u8 ampdu_ap;
 199         u8 amsdu;
 200 };
 201
 202 struct mwifiex_ra_list_tbl {
 203         struct list_head list;
 204         struct sk_buff_head skb_head;
 205         u8 ra[ETH_ALEN];
 206         u32 total_pkts_size;
 207         u32 is_11n_enabled;
 208         u16 max_amsdu;
 209         u16 pkt_count;
 210         u8 ba_packet_thr;
 211 };
 212
 213 struct mwifiex_tid_tbl {
 214         struct list_head ra_list;
 215         /* spin lock for tid table */
 216         spinlock_t tid_tbl_lock;
 217         struct mwifiex_ra_list_tbl *ra_list_curr;
 218 };
 219
 220 #define WMM_HIGHEST_PRIORITY            7
 221 #define HIGH_PRIO_TID                           7
 222 #define LOW_PRIO_TID                            0
 223 #define NO_PKT_PRIO_TID                         (-1)
 224
 225 struct mwifiex_wmm_desc {
 226         struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 227         u32 packets_out[MAX_NUM_TID];
 228         /* spin lock to protect ra_list */
 229         spinlock_t ra_list_spinlock;
 230         struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
 231         enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
 232         u32 drv_pkt_delay_max;
 233         u8 queue_priority[IEEE80211_NUM_ACS];
 234         u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1];     /* UP: 0 to 7 */
 235         /* Number of transmit packets queued */
 236         atomic_t tx_pkts_queued;
 237         /* Tracks highest priority with a packet queued */
 238         atomic_t highest_queued_prio;
 239 };
 240
 241 struct mwifiex_802_11_security {
 242         u8 wpa_enabled;
 243         u8 wpa2_enabled;
 244         u8 wapi_enabled;
 245         u8 wapi_key_on;
 246         u8 wep_enabled;
 247         u32 authentication_mode;
 248         u8 is_authtype_auto;
 249         u32 encryption_mode;
 250 };
 251
 252 struct ieee_types_header {
 253         u8 element_id;
 254         u8 len;
 255 } __packed;
 256
 257 struct ieee_types_vendor_specific {
 258         struct ieee_types_vendor_header vend_hdr;
 259         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
 260 } __packed;
 261
 262 struct ieee_types_generic {
 263         struct ieee_types_header ieee_hdr;
 264         u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
 265 } __packed;
 266
 267 struct mwifiex_bssdescriptor {
 268         u8 mac_address[ETH_ALEN];
 269         struct cfg80211_ssid ssid;
 270         u32 privacy;
 271         s32 rssi;
 272         u32 channel;
 273         u32 freq;
 274         u16 beacon_period;
 275         u8 erp_flags;
 276         u32 bss_mode;
 277         u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
 278         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 279         /* Network band.
 280          * BAND_B(0x01): 'b' band
 281          * BAND_G(0x02): 'g' band
 282          * BAND_A(0X04): 'a' band
 283          */
 284         u16 bss_band;
 285         u64 fw_tsf;
 286         u64 timestamp;
 287         union ieee_types_phy_param_set phy_param_set;
 288         union ieee_types_ss_param_set ss_param_set;
 289         u16 cap_info_bitmap;
 290         struct ieee_types_wmm_parameter wmm_ie;
 291         u8  disable_11n;
 292         struct ieee80211_ht_cap *bcn_ht_cap;
 293         u16 ht_cap_offset;
 294         struct ieee80211_ht_operation *bcn_ht_oper;
 295         u16 ht_info_offset;
 296         u8 *bcn_bss_co_2040;
 297         u16 bss_co_2040_offset;
 298         u8 *bcn_ext_cap;
 299         u16 ext_cap_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 };
 309
 310 struct mwifiex_current_bss_params {
 311         struct mwifiex_bssdescriptor bss_descriptor;
 312         u8 wmm_enabled;
 313         u8 wmm_uapsd_enabled;
 314         u8 band;
 315         u32 num_of_rates;
 316         u8 data_rates[MWIFIEX_SUPPORTED_RATES];
 317 };
 318
 319 struct mwifiex_sleep_params {
 320         u16 sp_error;
 321         u16 sp_offset;
 322         u16 sp_stable_time;
 323         u8 sp_cal_control;
 324         u8 sp_ext_sleep_clk;
 325         u16 sp_reserved;
 326 };
 327
 328 struct mwifiex_sleep_period {
 329         u16 period;
 330         u16 reserved;
 331 };
 332
 333 struct mwifiex_wep_key {
 334         u32 length;
 335         u32 key_index;
 336         u32 key_length;
 337         u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
 338 };
 339
 340 #define MAX_REGION_CHANNEL_NUM  2
 341
 342 struct mwifiex_chan_freq_power {
 343         u16 channel;
 344         u32 freq;
 345         u16 max_tx_power;
 346         u8 unsupported;
 347 };
 348
 349 enum state_11d_t {
 350         DISABLE_11D = 0,
 351         ENABLE_11D = 1,
 352 };
 353
 354 #define MWIFIEX_MAX_TRIPLET_802_11D             83
 355
 356 struct mwifiex_802_11d_domain_reg {
 357         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 358         u8 no_of_triplet;
 359         struct ieee80211_country_ie_triplet
 360                 triplet[MWIFIEX_MAX_TRIPLET_802_11D];
 361 };
 362
 363 struct mwifiex_vendor_spec_cfg_ie {
 364         u16 mask;
 365         u16 flag;
 366         u8 ie[MWIFIEX_MAX_VSIE_LEN];
 367 };
 368
 369 struct wps {
 370         u8 session_enable;
 371 };
 372
 373 struct mwifiex_adapter;
 374 struct mwifiex_private;
 375
 376 struct mwifiex_private {
 377         struct mwifiex_adapter *adapter;
 378         u8 bss_type;
 379         u8 bss_role;
 380         u8 bss_priority;
 381         u8 bss_num;
 382         u8 bss_started;
 383         u8 frame_type;
 384         u8 curr_addr[ETH_ALEN];
 385         u8 media_connected;
 386         u32 num_tx_timeout;
 387         struct net_device *netdev;
 388         struct net_device_stats stats;
 389         u16 curr_pkt_filter;
 390         u32 bss_mode;
 391         u32 pkt_tx_ctrl;
 392         u16 tx_power_level;
 393         u8 max_tx_power_level;
 394         u8 min_tx_power_level;
 395         u8 tx_rate;
 396         u8 tx_htinfo;
 397         u8 rxpd_htinfo;
 398         u8 rxpd_rate;
 399         u16 rate_bitmap;
 400         u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
 401         u32 data_rate;
 402         u8 is_data_rate_auto;
 403         u16 bcn_avg_factor;
 404         u16 data_avg_factor;
 405         s16 data_rssi_last;
 406         s16 data_nf_last;
 407         s16 data_rssi_avg;
 408         s16 data_nf_avg;
 409         s16 bcn_rssi_last;
 410         s16 bcn_nf_last;
 411         s16 bcn_rssi_avg;
 412         s16 bcn_nf_avg;
 413         struct mwifiex_bssdescriptor *attempted_bss_desc;
 414         struct cfg80211_ssid prev_ssid;
 415         u8 prev_bssid[ETH_ALEN];
 416         struct mwifiex_current_bss_params curr_bss_params;
 417         u16 beacon_period;
 418         u8 dtim_period;
 419         u16 listen_interval;
 420         u16 atim_window;
 421         u8 adhoc_channel;
 422         u8 adhoc_is_link_sensed;
 423         u8 adhoc_state;
 424         struct mwifiex_802_11_security sec_info;
 425         struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
 426         u16 wep_key_curr_index;
 427         u8 wpa_ie[256];
 428         u8 wpa_ie_len;
 429         u8 wpa_is_gtk_set;
 430         struct host_cmd_ds_802_11_key_material aes_key;
 431         u8 wapi_ie[256];
 432         u8 wapi_ie_len;
 433         u8 *wps_ie;
 434         u8 wps_ie_len;
 435         u8 wmm_required;
 436         u8 wmm_enabled;
 437         u8 wmm_qosinfo;
 438         struct mwifiex_wmm_desc wmm;
 439         struct list_head sta_list;
 440         /* spin lock for associated station list */
 441         spinlock_t sta_list_spinlock;
 442         struct list_head tx_ba_stream_tbl_ptr;
 443         /* spin lock for tx_ba_stream_tbl_ptr queue */
 444         spinlock_t tx_ba_stream_tbl_lock;
 445         struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
 446         struct mwifiex_add_ba_param add_ba_param;
 447         u16 rx_seq[MAX_NUM_TID];
 448         struct list_head rx_reorder_tbl_ptr;
 449         /* spin lock for rx_reorder_tbl_ptr queue */
 450         spinlock_t rx_reorder_tbl_lock;
 451         /* spin lock for Rx packets */
 452         spinlock_t rx_pkt_lock;
 453
 454 #define MWIFIEX_ASSOC_RSP_BUF_SIZE  500
 455         u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
 456         u32 assoc_rsp_size;
 457
 458 #define MWIFIEX_GENIE_BUF_SIZE      256
 459         u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
 460         u8 gen_ie_buf_len;
 461
 462         struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
 463
 464 #define MWIFIEX_ASSOC_TLV_BUF_SIZE  256
 465         u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
 466         u8 assoc_tlv_buf_len;
 467
 468         u8 *curr_bcn_buf;
 469         u32 curr_bcn_size;
 470         /* spin lock for beacon buffer */
 471         spinlock_t curr_bcn_buf_lock;
 472         struct wireless_dev *wdev;
 473         struct mwifiex_chan_freq_power cfp;
 474         char version_str[128];
 475 #ifdef CONFIG_DEBUG_FS
 476         struct dentry *dfs_dev_dir;
 477 #endif
 478         u8 nick_name[16];
 479         u16 current_key_index;
 480         struct semaphore async_sem;
 481         u8 scan_pending_on_block;
 482         u8 report_scan_result;
 483         struct cfg80211_scan_request *scan_request;
 484         struct mwifiex_user_scan_cfg *user_scan_cfg;
 485         u8 cfg_bssid[6];
 486         struct wps wps;
 487         u8 scan_block;
 488         s32 cqm_rssi_thold;
 489         u32 cqm_rssi_hyst;
 490         u8 subsc_evt_rssi_state;
 491         struct mwifiex_ds_misc_subsc_evt async_subsc_evt_storage;
 492         struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
 493         u16 beacon_idx;
 494         u16 proberesp_idx;
 495         u16 assocresp_idx;
 496         u16 rsn_idx;
 497         struct timer_list scan_delay_timer;
 498         u8 ap_11n_enabled;
 499         u32 mgmt_frame_mask;
 500 };
 501
 502 enum mwifiex_ba_status {
 503         BA_SETUP_NONE = 0,
 504         BA_SETUP_INPROGRESS,
 505         BA_SETUP_COMPLETE
 506 };
 507
 508 struct mwifiex_tx_ba_stream_tbl {
 509         struct list_head list;
 510         int tid;
 511         u8 ra[ETH_ALEN];
 512         enum mwifiex_ba_status ba_status;
 513 };
 514
 515 struct mwifiex_rx_reorder_tbl;
 516
 517 struct reorder_tmr_cnxt {
 518         struct timer_list timer;
 519         struct mwifiex_rx_reorder_tbl *ptr;
 520         struct mwifiex_private *priv;
 521 };
 522
 523 struct mwifiex_rx_reorder_tbl {
 524         struct list_head list;
 525         int tid;
 526         u8 ta[ETH_ALEN];
 527         int start_win;
 528         int win_size;
 529         void **rx_reorder_ptr;
 530         struct reorder_tmr_cnxt timer_context;
 531 };
 532
 533 struct mwifiex_bss_prio_node {
 534         struct list_head list;
 535         struct mwifiex_private *priv;
 536 };
 537
 538 struct mwifiex_bss_prio_tbl {
 539         struct list_head bss_prio_head;
 540         /* spin lock for bss priority  */
 541         spinlock_t bss_prio_lock;
 542         struct mwifiex_bss_prio_node *bss_prio_cur;
 543 };
 544
 545 struct cmd_ctrl_node {
 546         struct list_head list;
 547         struct mwifiex_private *priv;
 548         u32 cmd_oid;
 549         u32 cmd_flag;
 550         struct sk_buff *cmd_skb;
 551         struct sk_buff *resp_skb;
 552         void *data_buf;
 553         u32 wait_q_enabled;
 554         struct sk_buff *skb;
 555         u8 *condition;
 556         u8 cmd_wait_q_woken;
 557 };
 558
 559 struct mwifiex_bss_priv {
 560         u8 band;
 561         u64 fw_tsf;
 562 };
 563
 564 /* This is AP specific structure which stores information
 565  * about associated STA
 566  */
 567 struct mwifiex_sta_node {
 568         struct list_head list;
 569         u8 mac_addr[ETH_ALEN];
 570         u8 is_wmm_enabled;
 571         u8 is_11n_enabled;
 572         u8 ampdu_sta[MAX_NUM_TID];
 573         u16 rx_seq[MAX_NUM_TID];
 574         u16 max_amsdu;
 575 };
 576
 577 struct mwifiex_if_ops {
 578         int (*init_if) (struct mwifiex_adapter *);
 579         void (*cleanup_if) (struct mwifiex_adapter *);
 580         int (*check_fw_status) (struct mwifiex_adapter *, u32);
 581         int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 582         int (*register_dev) (struct mwifiex_adapter *);
 583         void (*unregister_dev) (struct mwifiex_adapter *);
 584         int (*enable_int) (struct mwifiex_adapter *);
 585         int (*process_int_status) (struct mwifiex_adapter *);
 586         int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 587                              struct mwifiex_tx_param *);
 588         int (*wakeup) (struct mwifiex_adapter *);
 589         int (*wakeup_complete) (struct mwifiex_adapter *);
 590
 591         /* Interface specific functions */
 592         void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
 593         void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
 594         int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
 595         int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
 596         int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
 597         int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
 598 };
 599
 600 struct mwifiex_adapter {
 601         u8 iface_type;
 602         struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
 603         u8 priv_num;
 604         const struct firmware *firmware;
 605         char fw_name[32];
 606         int winner;
 607         struct device *dev;
 608         struct wiphy *wiphy;
 609         bool surprise_removed;
 610         u32 fw_release_number;
 611         u16 init_wait_q_woken;
 612         wait_queue_head_t init_wait_q;
 613         void *card;
 614         struct mwifiex_if_ops if_ops;
 615         atomic_t rx_pending;
 616         atomic_t tx_pending;
 617         atomic_t cmd_pending;
 618         struct workqueue_struct *workqueue;
 619         struct work_struct main_work;
 620         struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
 621         /* spin lock for init/shutdown */
 622         spinlock_t mwifiex_lock;
 623         /* spin lock for main process */
 624         spinlock_t main_proc_lock;
 625         u32 mwifiex_processing;
 626         u16 max_tx_buf_size;
 627         u16 tx_buf_size;
 628         u16 curr_tx_buf_size;
 629         u32 ioport;
 630         enum MWIFIEX_HARDWARE_STATUS hw_status;
 631         u16 number_of_antenna;
 632         u32 fw_cap_info;
 633         /* spin lock for interrupt handling */
 634         spinlock_t int_lock;
 635         u8 int_status;
 636         u32 event_cause;
 637         struct sk_buff *event_skb;
 638         u8 upld_buf[MWIFIEX_UPLD_SIZE];
 639         u8 data_sent;
 640         u8 cmd_sent;
 641         u8 cmd_resp_received;
 642         u8 event_received;
 643         u8 data_received;
 644         u16 seq_num;
 645         struct cmd_ctrl_node *cmd_pool;
 646         struct cmd_ctrl_node *curr_cmd;
 647         /* spin lock for command */
 648         spinlock_t mwifiex_cmd_lock;
 649         u32 num_cmd_timeout;
 650         u16 last_init_cmd;
 651         struct timer_list cmd_timer;
 652         struct list_head cmd_free_q;
 653         /* spin lock for cmd_free_q */
 654         spinlock_t cmd_free_q_lock;
 655         struct list_head cmd_pending_q;
 656         /* spin lock for cmd_pending_q */
 657         spinlock_t cmd_pending_q_lock;
 658         struct list_head scan_pending_q;
 659         /* spin lock for scan_pending_q */
 660         spinlock_t scan_pending_q_lock;
 661         struct sk_buff_head usb_rx_data_q;
 662         u32 scan_processing;
 663         u16 region_code;
 664         struct mwifiex_802_11d_domain_reg domain_reg;
 665         u16 scan_probes;
 666         u32 scan_mode;
 667         u16 specific_scan_time;
 668         u16 active_scan_time;
 669         u16 passive_scan_time;
 670         u8 fw_bands;
 671         u8 adhoc_start_band;
 672         u8 config_bands;
 673         struct mwifiex_chan_scan_param_set *scan_channels;
 674         u8 tx_lock_flag;
 675         struct mwifiex_sleep_params sleep_params;
 676         struct mwifiex_sleep_period sleep_period;
 677         u16 ps_mode;
 678         u32 ps_state;
 679         u8 need_to_wakeup;
 680         u16 multiple_dtim;
 681         u16 local_listen_interval;
 682         u16 null_pkt_interval;
 683         struct sk_buff *sleep_cfm;
 684         u16 bcn_miss_time_out;
 685         u16 adhoc_awake_period;
 686         u8 is_deep_sleep;
 687         u8 delay_null_pkt;
 688         u16 delay_to_ps;
 689         u16 enhanced_ps_mode;
 690         u8 pm_wakeup_card_req;
 691         u16 gen_null_pkt;
 692         u16 pps_uapsd_mode;
 693         u32 pm_wakeup_fw_try;
 694         u8 is_hs_configured;
 695         struct mwifiex_hs_config_param hs_cfg;
 696         u8 hs_activated;
 697         u16 hs_activate_wait_q_woken;
 698         wait_queue_head_t hs_activate_wait_q;
 699         bool is_suspended;
 700         u8 event_body[MAX_EVENT_SIZE];
 701         u32 hw_dot_11n_dev_cap;
 702         u8 hw_dev_mcs_support;
 703         u8 adhoc_11n_enabled;
 704         u8 sec_chan_offset;
 705         struct mwifiex_dbg dbg;
 706         u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 707         u32 arp_filter_size;
 708         u16 cmd_wait_q_required;
 709         struct mwifiex_wait_queue cmd_wait_q;
 710         u8 scan_wait_q_woken;
 711         struct cmd_ctrl_node *cmd_queued;
 712         spinlock_t queue_lock;          /* lock for tx queues */
 713         struct completion fw_load;
 714         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 715         u16 max_mgmt_ie_index;
 716         u8 scan_delay_cnt;
 717         u8 empty_tx_q_cnt;
 718         atomic_t is_tx_received;
 719         atomic_t pending_bridged_pkts;
 720 };
 721
 722 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 723
 724 void mwifiex_set_trans_start(struct net_device *dev);
 725
 726 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
 727                 struct mwifiex_adapter *adapter);
 728
 729 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
 730                 struct mwifiex_adapter *adapter);
 731
 732 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 733
 734 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
 735
 736 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
 737
 738 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
 739
 740 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
 741
 742 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
 743
 744 int mwifiex_process_event(struct mwifiex_adapter *adapter);
 745
 746 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
 747                          struct cmd_ctrl_node *cmd_node);
 748
 749 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
 750                            u16 cmd_action, u32 cmd_oid, void *data_buf);
 751
 752 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
 753                           u16 cmd_action, u32 cmd_oid, void *data_buf);
 754
 755 void mwifiex_cmd_timeout_func(unsigned long function_context);
 756
 757 int mwifiex_get_debug_info(struct mwifiex_private *,
 758                            struct mwifiex_debug_info *);
 759
 760 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
 761 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
 762 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
 763 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
 764
 765 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
 766                                   struct cmd_ctrl_node *cmd_node);
 767
 768 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
 769                                      struct cmd_ctrl_node *cmd_node,
 770                                      u32 addtail);
 771
 772 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
 773 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
 774 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
 775                              struct sk_buff *skb);
 776 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
 777                        struct mwifiex_tx_param *tx_param);
 778 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
 779 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 780                                 struct sk_buff *skb, int status);
 781 void mwifiex_clean_txrx(struct mwifiex_private *priv);
 782 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
 783 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
 784 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
 785                                         u32);
 786 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
 787                                struct host_cmd_ds_command *cmd,
 788                                u16 cmd_action, uint16_t ps_bitmap,
 789                                struct mwifiex_ds_auto_ds *auto_ds);
 790 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
 791                                struct host_cmd_ds_command *resp,
 792                                struct mwifiex_ds_pm_cfg *pm_cfg);
 793 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
 794 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
 795                                         u8 activated);
 796 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
 797                               struct host_cmd_ds_command *resp);
 798 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
 799                               struct sk_buff *skb);
 800 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
 801                             u16 cmd_action, u32 cmd_oid,
 802                             void *data_buf, void *cmd_buf);
 803 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 804                             u16 cmd_action, u32 cmd_oid,
 805                             void *data_buf, void *cmd_buf);
 806 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
 807                                 struct host_cmd_ds_command *resp);
 808 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
 809                                   struct sk_buff *skb);
 810 int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
 811                                   struct sk_buff *skb);
 812 int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
 813                                   struct sk_buff *skb);
 814 int mwifiex_process_sta_event(struct mwifiex_private *);
 815 int mwifiex_process_uap_event(struct mwifiex_private *);
 816 struct mwifiex_sta_node *
 817 mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
 818 void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
 819 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
 820 void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);
 821 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
 822 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
 823                             struct mwifiex_scan_cmd_config *scan_cfg);
 824 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
 825                             struct cmd_ctrl_node *cmd_node);
 826 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 827                             struct host_cmd_ds_command *resp);
 828 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
 829 int mwifiex_associate(struct mwifiex_private *priv,
 830                       struct mwifiex_bssdescriptor *bss_desc);
 831 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 832                                  struct host_cmd_ds_command *cmd,
 833                                  struct mwifiex_bssdescriptor *bss_desc);
 834 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 835                                  struct host_cmd_ds_command *resp);
 836 void mwifiex_reset_connect_state(struct mwifiex_private *priv);
 837 u8 mwifiex_band_to_radio_type(u8 band);
 838 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 839 int mwifiex_adhoc_start(struct mwifiex_private *priv,
 840                         struct cfg80211_ssid *adhoc_ssid);
 841 int mwifiex_adhoc_join(struct mwifiex_private *priv,
 842                        struct mwifiex_bssdescriptor *bss_desc);
 843 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 844                                     struct host_cmd_ds_command *cmd,
 845                                     struct cfg80211_ssid *req_ssid);
 846 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
 847                                    struct host_cmd_ds_command *cmd,
 848                                    struct mwifiex_bssdescriptor *bss_desc);
 849 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 850                               struct host_cmd_ds_command *resp);
 851 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 852 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
 853                                                 u8 band, u16 channel, u32 freq);
 854 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
 855                                                         u8 ht_info);
 856 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 857 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 858                                 u8 **buffer);
 859 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
 860                                     u8 *rates);
 861 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
 862 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
 863 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
 864 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
 865 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
 866 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
 867                             struct host_cmd_ds_command *cmd);
 868 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 869                             struct host_cmd_ds_command *resp);
 870 int is_command_pending(struct mwifiex_adapter *adapter);
 871 void mwifiex_init_priv_params(struct mwifiex_private *priv,
 872                                                 struct net_device *dev);
 873 int mwifiex_set_secure_params(struct mwifiex_private *priv,
 874                               struct mwifiex_uap_bss_param *bss_config,
 875                               struct cfg80211_ap_settings *params);
 876 void mwifiex_set_ht_params(struct mwifiex_private *priv,
 877                            struct mwifiex_uap_bss_param *bss_cfg,
 878                            struct cfg80211_ap_settings *params);
 879 void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 880                            struct cfg80211_ap_settings *params);
 881
 882 /*
 883  * This function checks if the queuing is RA based or not.
 884  */
 885 static inline u8
 886 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
 887 {
 888         /*
 889          * Currently we assume if we are in Infra, then DA=RA. This might not be
 890          * true in the future
 891          */
 892         if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
 893             (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
 894                 return false;
 895
 896         return true;
 897 }
 898
 899 /*
 900  * This function copies rates.
 901  */
 902 static inline u32
 903 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
 904 {
 905         int i;
 906
 907         for (i = 0; i < len && src[i]; i++, pos++) {
 908                 if (pos >= MWIFIEX_SUPPORTED_RATES)
 909                         break;
 910                 dest[pos] = src[i];
 911         }
 912
 913         return pos;
 914 }
 915
 916 /*
 917  * This function returns the correct private structure pointer based
 918  * upon the BSS type and BSS number.
 919  */
 920 static inline struct mwifiex_private *
 921 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
 922                        u8 bss_num, u8 bss_type)
 923 {
 924         int i;
 925
 926         for (i = 0; i < adapter->priv_num; i++) {
 927                 if (adapter->priv[i]) {
 928                         if ((adapter->priv[i]->bss_num == bss_num) &&
 929                             (adapter->priv[i]->bss_type == bss_type))
 930                                 break;
 931                 }
 932         }
 933         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 934 }
 935
 936 /*
 937  * This function returns the first available private structure pointer
 938  * based upon the BSS role.
 939  */
 940 static inline struct mwifiex_private *
 941 mwifiex_get_priv(struct mwifiex_adapter *adapter,
 942                  enum mwifiex_bss_role bss_role)
 943 {
 944         int i;
 945
 946         for (i = 0; i < adapter->priv_num; i++) {
 947                 if (adapter->priv[i]) {
 948                         if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
 949                             GET_BSS_ROLE(adapter->priv[i]) == bss_role)
 950                                 break;
 951                 }
 952         }
 953
 954         return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
 955 }
 956
 957 /*
 958  * This function returns the driver private structure of a network device.
 959  */
 960 static inline struct mwifiex_private *
 961 mwifiex_netdev_get_priv(struct net_device *dev)
 962 {
 963         return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
 964 }
 965
 966 /*
 967  * This function checks if a skb holds a management frame.
 968  */
 969 static inline bool mwifiex_is_skb_mgmt_frame(struct sk_buff *skb)
 970 {
 971         return (*(u32 *)skb->data == PKT_TYPE_MGMT);
 972 }
 973
 974 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 975                              u32 func_init_shutdown);
 976 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
 977 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 978
 979 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
 980                          int maxlen);
 981 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
 982                         struct mwifiex_multicast_list *mcast_list);
 983 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 984                             struct net_device *dev);
 985 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
 986 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 987                       struct cfg80211_ssid *req_ssid);
 988 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
 989 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
 990 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
 991 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate);
 992 int mwifiex_request_scan(struct mwifiex_private *priv,
 993                          struct cfg80211_ssid *req_ssid);
 994 int mwifiex_scan_networks(struct mwifiex_private *priv,
 995                           const struct mwifiex_user_scan_cfg *user_scan_in);
 996 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
 997
 998 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
 999                        const u8 *key, int key_len, u8 key_index,
1000                        const u8 *mac_addr, int disable);
1001
1002 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
1003
1004 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
1005
1006 int mwifiex_get_stats_info(struct mwifiex_private *priv,
1007                            struct mwifiex_ds_get_stats *log);
1008
1009 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1010                       u32 reg_offset, u32 reg_value);
1011
1012 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1013                      u32 reg_offset, u32 *value);
1014
1015 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1016                         u8 *value);
1017
1018 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
1019
1020 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
1021
1022 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
1023
1024 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
1025
1026 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
1027
1028 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
1029                                    char *version, int max_len);
1030
1031 int mwifiex_set_tx_power(struct mwifiex_private *priv,
1032                          struct mwifiex_power_cfg *power_cfg);
1033
1034 int mwifiex_main_process(struct mwifiex_adapter *);
1035
1036 int mwifiex_queue_tx_pkt(struct mwifiex_private *priv, struct sk_buff *skb);
1037
1038 int mwifiex_get_bss_info(struct mwifiex_private *,
1039                          struct mwifiex_bss_info *);
1040 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
1041                               struct cfg80211_bss *bss,
1042                               struct mwifiex_bssdescriptor *bss_desc);
1043 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
1044                                     struct mwifiex_bssdescriptor *bss_entry);
1045 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
1046                                         struct mwifiex_bssdescriptor *bss_desc);
1047
1048 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1049                                               const char *name,
1050                                               enum nl80211_iftype type,
1051                                               u32 *flags,
1052                                               struct vif_params *params);
1053 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
1054
1055 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
1056
1057 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
1058                          struct cfg80211_beacon_data *data);
1059 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
1060 u8 *mwifiex_11d_code_2_region(u8 code);
1061
1062 #ifdef CONFIG_DEBUG_FS
1063 void mwifiex_debugfs_init(void);
1064 void mwifiex_debugfs_remove(void);
1065
1066 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1067 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1068 #endif
1069 #endif /* !_MWIFIEX_MAIN_H_ */