drivers/net/wireless/ath/ath6kl/core.h

   1 /*
   2  * Copyright (c) 2010-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef CORE_H
  19 #define CORE_H
  20
  21 #include <linux/etherdevice.h>
  22 #include <linux/rtnetlink.h>
  23 #include <linux/firmware.h>
  24 #include <linux/sched.h>
  25 #include <linux/circ_buf.h>
  26 #include <net/cfg80211.h>
  27 #include "htc.h"
  28 #include "wmi.h"
  29 #include "bmi.h"
  30 #include "target.h"
  31
  32 #define MAX_ATH6KL                        1
  33 #define ATH6KL_MAX_RX_BUFFERS             16
  34 #define ATH6KL_BUFFER_SIZE                1664
  35 #define ATH6KL_MAX_AMSDU_RX_BUFFERS       4
  36 #define ATH6KL_AMSDU_REFILL_THRESHOLD     3
  37 #define ATH6KL_AMSDU_BUFFER_SIZE     (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
  38 #define MAX_MSDU_SUBFRAME_PAYLOAD_LEN   1508
  39 #define MIN_MSDU_SUBFRAME_PAYLOAD_LEN   46
  40
  41 #define USER_SAVEDKEYS_STAT_INIT     0
  42 #define USER_SAVEDKEYS_STAT_RUN      1
  43
  44 #define ATH6KL_TX_TIMEOUT      10
  45 #define ATH6KL_MAX_ENDPOINTS   4
  46 #define MAX_NODE_NUM           15
  47
  48 #define ATH6KL_APSD_ALL_FRAME           0xFFFF
  49 #define ATH6KL_APSD_NUM_OF_AC           0x4
  50 #define ATH6KL_APSD_FRAME_MASK          0xF
  51
  52 /* Extra bytes for htc header alignment */
  53 #define ATH6KL_HTC_ALIGN_BYTES 3
  54
  55 /* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
  56 #define MAX_DEF_COOKIE_NUM                180
  57 #define MAX_HI_COOKIE_NUM                 18    /* 10% of MAX_COOKIE_NUM */
  58 #define MAX_COOKIE_NUM                 (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
  59
  60 #define MAX_DEFAULT_SEND_QUEUE_DEPTH      (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
  61
  62 #define DISCON_TIMER_INTVAL               10000  /* in msec */
  63
  64 /* Channel dwell time in fg scan */
  65 #define ATH6KL_FG_SCAN_INTERVAL         50 /* in ms */
  66
  67 /* includes also the null byte */
  68 #define ATH6KL_FIRMWARE_MAGIC               "QCA-ATH6KL"
  69
  70 enum ath6kl_fw_ie_type {
  71         ATH6KL_FW_IE_FW_VERSION = 0,
  72         ATH6KL_FW_IE_TIMESTAMP = 1,
  73         ATH6KL_FW_IE_OTP_IMAGE = 2,
  74         ATH6KL_FW_IE_FW_IMAGE = 3,
  75         ATH6KL_FW_IE_PATCH_IMAGE = 4,
  76         ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
  77         ATH6KL_FW_IE_CAPABILITIES = 6,
  78         ATH6KL_FW_IE_PATCH_ADDR = 7,
  79         ATH6KL_FW_IE_BOARD_ADDR = 8,
  80         ATH6KL_FW_IE_VIF_MAX = 9,
  81 };
  82
  83 enum ath6kl_fw_capability {
  84         ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
  85         ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
  86
  87         /*
  88          * Firmware is capable of supporting P2P mgmt operations on a
  89          * station interface. After group formation, the station
  90          * interface will become a P2P client/GO interface as the case may be
  91          */
  92         ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
  93
  94         /*
  95          * Firmware has support to cleanup inactive stations
  96          * in AP mode.
  97          */
  98         ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
  99
 100         /* Firmware has support to override rsn cap of rsn ie */
 101         ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
 102
 103         /* this needs to be last */
 104         ATH6KL_FW_CAPABILITY_MAX,
 105 };
 106
 107 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
 108
 109 struct ath6kl_fw_ie {
 110         __le32 id;
 111         __le32 len;
 112         u8 data[0];
 113 };
 114
 115 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 116 #define ATH6KL_FW_API3_FILE "fw-3.bin"
 117
 118 /* AR6003 1.0 definitions */
 119 #define AR6003_HW_1_0_VERSION                 0x300002ba
 120
 121 /* AR6003 2.0 definitions */
 122 #define AR6003_HW_2_0_VERSION                 0x30000384
 123 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS  0x57e910
 124 #define AR6003_HW_2_0_FW_DIR                    "ath6k/AR6003/hw2.0"
 125 #define AR6003_HW_2_0_OTP_FILE                  "otp.bin.z77"
 126 #define AR6003_HW_2_0_FIRMWARE_FILE             "athwlan.bin.z77"
 127 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE        "athtcmd_ram.bin"
 128 #define AR6003_HW_2_0_PATCH_FILE                "data.patch.bin"
 129 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
 130 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
 131                         AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
 132
 133 /* AR6003 3.0 definitions */
 134 #define AR6003_HW_2_1_1_VERSION                 0x30000582
 135 #define AR6003_HW_2_1_1_FW_DIR                  "ath6k/AR6003/hw2.1.1"
 136 #define AR6003_HW_2_1_1_OTP_FILE                "otp.bin"
 137 #define AR6003_HW_2_1_1_FIRMWARE_FILE           "athwlan.bin"
 138 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE      "athtcmd_ram.bin"
 139 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE       "utf.bin"
 140 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
 141 #define AR6003_HW_2_1_1_PATCH_FILE              "data.patch.bin"
 142 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
 143 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
 144                         AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
 145
 146 /* AR6004 1.0 definitions */
 147 #define AR6004_HW_1_0_VERSION                 0x30000623
 148 #define AR6004_HW_1_0_FW_DIR                    "ath6k/AR6004/hw1.0"
 149 #define AR6004_HW_1_0_FIRMWARE_FILE             "fw.ram.bin"
 150 #define AR6004_HW_1_0_BOARD_DATA_FILE         AR6004_HW_1_0_FW_DIR "/bdata.bin"
 151 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
 152         AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
 153
 154 /* AR6004 1.1 definitions */
 155 #define AR6004_HW_1_1_VERSION                 0x30000001
 156 #define AR6004_HW_1_1_FW_DIR                    "ath6k/AR6004/hw1.1"
 157 #define AR6004_HW_1_1_FIRMWARE_FILE             "fw.ram.bin"
 158 #define AR6004_HW_1_1_BOARD_DATA_FILE         AR6004_HW_1_1_FW_DIR "/bdata.bin"
 159 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
 160         AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
 161
 162 /* AR6004 1.2 definitions */
 163 #define AR6004_HW_1_2_VERSION                 0x300007e8
 164 #define AR6004_HW_1_2_FW_DIR                    "ath6k/AR6004/hw1.2"
 165 #define AR6004_HW_1_2_FIRMWARE_FILE           "fw.ram.bin"
 166 #define AR6004_HW_1_2_BOARD_DATA_FILE         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 167 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
 168         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 169
 170 /* Per STA data, used in AP mode */
 171 #define STA_PS_AWAKE            BIT(0)
 172 #define STA_PS_SLEEP            BIT(1)
 173 #define STA_PS_POLLED           BIT(2)
 174 #define STA_PS_APSD_TRIGGER     BIT(3)
 175 #define STA_PS_APSD_EOSP        BIT(4)
 176
 177 /* HTC TX packet tagging definitions */
 178 #define ATH6KL_CONTROL_PKT_TAG    HTC_TX_PACKET_TAG_USER_DEFINED
 179 #define ATH6KL_DATA_PKT_TAG       (ATH6KL_CONTROL_PKT_TAG + 1)
 180
 181 #define AR6003_CUST_DATA_SIZE 16
 182
 183 #define AGGR_WIN_IDX(x, y)          ((x) % (y))
 184 #define AGGR_INCR_IDX(x, y)         AGGR_WIN_IDX(((x) + 1), (y))
 185 #define AGGR_DCRM_IDX(x, y)         AGGR_WIN_IDX(((x) - 1), (y))
 186 #define ATH6KL_MAX_SEQ_NO               0xFFF
 187 #define ATH6KL_NEXT_SEQ_NO(x)           (((x) + 1) & ATH6KL_MAX_SEQ_NO)
 188
 189 #define NUM_OF_TIDS         8
 190 #define AGGR_SZ_DEFAULT     8
 191
 192 #define AGGR_WIN_SZ_MIN     2
 193 #define AGGR_WIN_SZ_MAX     8
 194
 195 #define TID_WINDOW_SZ(_x)   ((_x) << 1)
 196
 197 #define AGGR_NUM_OF_FREE_NETBUFS    16
 198
 199 #define AGGR_RX_TIMEOUT     400 /* in ms */
 200
 201 #define WMI_TIMEOUT (2 * HZ)
 202
 203 #define MBOX_YIELD_LIMIT 99
 204
 205 #define ATH6KL_DEFAULT_LISTEN_INTVAL    100 /* in TUs */
 206 #define ATH6KL_DEFAULT_BMISS_TIME       1500
 207 #define ATH6KL_MAX_WOW_LISTEN_INTL      300 /* in TUs */
 208 #define ATH6KL_MAX_BMISS_TIME           5000
 209
 210 /* configuration lags */
 211 /*
 212  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
 213  * ERP IE of beacon to determine the short premable support when
 214  * sending (Re)Assoc req.
 215  * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
 216  * module state transition failure events which happen during
 217  * scan, to the host.
 218  */
 219 #define ATH6KL_CONF_IGNORE_ERP_BARKER           BIT(0)
 220 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN  BIT(1)
 221 #define ATH6KL_CONF_ENABLE_11N                  BIT(2)
 222 #define ATH6KL_CONF_ENABLE_TX_BURST             BIT(3)
 223 #define ATH6KL_CONF_UART_DEBUG                  BIT(4)
 224
 225 #define P2P_WILDCARD_SSID_LEN                   7 /* DIRECT- */
 226
 227 enum wlan_low_pwr_state {
 228         WLAN_POWER_STATE_ON,
 229         WLAN_POWER_STATE_CUT_PWR,
 230         WLAN_POWER_STATE_DEEP_SLEEP,
 231         WLAN_POWER_STATE_WOW
 232 };
 233
 234 enum sme_state {
 235         SME_DISCONNECTED,
 236         SME_CONNECTING,
 237         SME_CONNECTED
 238 };
 239
 240 struct skb_hold_q {
 241         struct sk_buff *skb;
 242         bool is_amsdu;
 243         u16 seq_no;
 244 };
 245
 246 struct rxtid {
 247         bool aggr;
 248         bool progress;
 249         bool timer_mon;
 250         u16 win_sz;
 251         u16 seq_next;
 252         u32 hold_q_sz;
 253         struct skb_hold_q *hold_q;
 254         struct sk_buff_head q;
 255
 256         /*
 257          * FIXME: No clue what this should protect. Apparently it should
 258          * protect some of the fields above but they are also accessed
 259          * without taking the lock.
 260          */
 261         spinlock_t lock;
 262 };
 263
 264 struct rxtid_stats {
 265         u32 num_into_aggr;
 266         u32 num_dups;
 267         u32 num_oow;
 268         u32 num_mpdu;
 269         u32 num_amsdu;
 270         u32 num_delivered;
 271         u32 num_timeouts;
 272         u32 num_hole;
 273         u32 num_bar;
 274 };
 275
 276 struct aggr_info_conn {
 277         u8 aggr_sz;
 278         u8 timer_scheduled;
 279         struct timer_list timer;
 280         struct net_device *dev;
 281         struct rxtid rx_tid[NUM_OF_TIDS];
 282         struct rxtid_stats stat[NUM_OF_TIDS];
 283         struct aggr_info *aggr_info;
 284 };
 285
 286 struct aggr_info {
 287         struct aggr_info_conn *aggr_conn;
 288         struct sk_buff_head rx_amsdu_freeq;
 289 };
 290
 291 struct ath6kl_wep_key {
 292         u8 key_index;
 293         u8 key_len;
 294         u8 key[64];
 295 };
 296
 297 #define ATH6KL_KEY_SEQ_LEN 8
 298
 299 struct ath6kl_key {
 300         u8 key[WLAN_MAX_KEY_LEN];
 301         u8 key_len;
 302         u8 seq[ATH6KL_KEY_SEQ_LEN];
 303         u8 seq_len;
 304         u32 cipher;
 305 };
 306
 307 struct ath6kl_node_mapping {
 308         u8 mac_addr[ETH_ALEN];
 309         u8 ep_id;
 310         u8 tx_pend;
 311 };
 312
 313 struct ath6kl_cookie {
 314         struct sk_buff *skb;
 315         u32 map_no;
 316         struct htc_packet htc_pkt;
 317         struct ath6kl_cookie *arc_list_next;
 318 };
 319
 320 struct ath6kl_mgmt_buff {
 321         struct list_head list;
 322         u32 freq;
 323         u32 wait;
 324         u32 id;
 325         bool no_cck;
 326         size_t len;
 327         u8 buf[0];
 328 };
 329
 330 struct ath6kl_sta {
 331         u16 sta_flags;
 332         u8 mac[ETH_ALEN];
 333         u8 aid;
 334         u8 keymgmt;
 335         u8 ucipher;
 336         u8 auth;
 337         u8 wpa_ie[ATH6KL_MAX_IE];
 338         struct sk_buff_head psq;
 339
 340         /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
 341         spinlock_t psq_lock;
 342
 343         struct list_head mgmt_psq;
 344         size_t mgmt_psq_len;
 345         u8 apsd_info;
 346         struct sk_buff_head apsdq;
 347         struct aggr_info_conn *aggr_conn;
 348 };
 349
 350 struct ath6kl_version {
 351         u32 target_ver;
 352         u32 wlan_ver;
 353         u32 abi_ver;
 354 };
 355
 356 struct ath6kl_bmi {
 357         u32 cmd_credits;
 358         bool done_sent;
 359         u8 *cmd_buf;
 360         u32 max_data_size;
 361         u32 max_cmd_size;
 362 };
 363
 364 struct target_stats {
 365         u64 tx_pkt;
 366         u64 tx_byte;
 367         u64 tx_ucast_pkt;
 368         u64 tx_ucast_byte;
 369         u64 tx_mcast_pkt;
 370         u64 tx_mcast_byte;
 371         u64 tx_bcast_pkt;
 372         u64 tx_bcast_byte;
 373         u64 tx_rts_success_cnt;
 374         u64 tx_pkt_per_ac[4];
 375
 376         u64 tx_err;
 377         u64 tx_fail_cnt;
 378         u64 tx_retry_cnt;
 379         u64 tx_mult_retry_cnt;
 380         u64 tx_rts_fail_cnt;
 381
 382         u64 rx_pkt;
 383         u64 rx_byte;
 384         u64 rx_ucast_pkt;
 385         u64 rx_ucast_byte;
 386         u64 rx_mcast_pkt;
 387         u64 rx_mcast_byte;
 388         u64 rx_bcast_pkt;
 389         u64 rx_bcast_byte;
 390         u64 rx_frgment_pkt;
 391
 392         u64 rx_err;
 393         u64 rx_crc_err;
 394         u64 rx_key_cache_miss;
 395         u64 rx_decrypt_err;
 396         u64 rx_dupl_frame;
 397
 398         u64 tkip_local_mic_fail;
 399         u64 tkip_cnter_measures_invoked;
 400         u64 tkip_replays;
 401         u64 tkip_fmt_err;
 402         u64 ccmp_fmt_err;
 403         u64 ccmp_replays;
 404
 405         u64 pwr_save_fail_cnt;
 406
 407         u64 cs_bmiss_cnt;
 408         u64 cs_low_rssi_cnt;
 409         u64 cs_connect_cnt;
 410         u64 cs_discon_cnt;
 411
 412         s32 tx_ucast_rate;
 413         s32 rx_ucast_rate;
 414
 415         u32 lq_val;
 416
 417         u32 wow_pkt_dropped;
 418         u16 wow_evt_discarded;
 419
 420         s16 noise_floor_calib;
 421         s16 cs_rssi;
 422         s16 cs_ave_beacon_rssi;
 423         u8 cs_ave_beacon_snr;
 424         u8 cs_last_roam_msec;
 425         u8 cs_snr;
 426
 427         u8 wow_host_pkt_wakeups;
 428         u8 wow_host_evt_wakeups;
 429
 430         u32 arp_received;
 431         u32 arp_matched;
 432         u32 arp_replied;
 433 };
 434
 435 struct ath6kl_mbox_info {
 436         u32 htc_addr;
 437         u32 htc_ext_addr;
 438         u32 htc_ext_sz;
 439
 440         u32 block_size;
 441
 442         u32 gmbox_addr;
 443
 444         u32 gmbox_sz;
 445 };
 446
 447 /*
 448  * 802.11i defines an extended IV for use with non-WEP ciphers.
 449  * When the EXTIV bit is set in the key id byte an additional
 450  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
 451  * EXTIV bit is likewise set but the 8 bytes represent the
 452  * CCMP header rather than IV+extended-IV.
 453  */
 454
 455 #define ATH6KL_KEYBUF_SIZE 16
 456 #define ATH6KL_MICBUF_SIZE (8+8)        /* space for both tx and rx */
 457
 458 #define ATH6KL_KEY_XMIT  0x01
 459 #define ATH6KL_KEY_RECV  0x02
 460 #define ATH6KL_KEY_DEFAULT   0x80       /* default xmit key */
 461
 462 /* Initial group key for AP mode */
 463 struct ath6kl_req_key {
 464         bool valid;
 465         u8 key_index;
 466         int key_type;
 467         u8 key[WLAN_MAX_KEY_LEN];
 468         u8 key_len;
 469 };
 470
 471 enum ath6kl_hif_type {
 472         ATH6KL_HIF_TYPE_SDIO,
 473         ATH6KL_HIF_TYPE_USB,
 474 };
 475
 476 enum ath6kl_htc_type {
 477         ATH6KL_HTC_TYPE_MBOX,
 478         ATH6KL_HTC_TYPE_PIPE,
 479 };
 480
 481 /* Max number of filters that hw supports */
 482 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
 483 struct ath6kl_mc_filter {
 484         struct list_head list;
 485         char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
 486 };
 487
 488 struct ath6kl_htcap {
 489         bool ht_enable;
 490         u8 ampdu_factor;
 491         unsigned short cap_info;
 492 };
 493
 494 /*
 495  * Driver's maximum limit, note that some firmwares support only one vif
 496  * and the runtime (current) limit must be checked from ar->vif_max.
 497  */
 498 #define ATH6KL_VIF_MAX  3
 499
 500 /* vif flags info */
 501 enum ath6kl_vif_state {
 502         CONNECTED,
 503         CONNECT_PEND,
 504         WMM_ENABLED,
 505         NETQ_STOPPED,
 506         DTIM_EXPIRED,
 507         NETDEV_REGISTERED,
 508         CLEAR_BSSFILTER_ON_BEACON,
 509         DTIM_PERIOD_AVAIL,
 510         WLAN_ENABLED,
 511         STATS_UPDATE_PEND,
 512         HOST_SLEEP_MODE_CMD_PROCESSED,
 513 };
 514
 515 struct ath6kl_vif {
 516         struct list_head list;
 517         struct wireless_dev wdev;
 518         struct net_device *ndev;
 519         struct ath6kl *ar;
 520         /* Lock to protect vif specific net_stats and flags */
 521         spinlock_t if_lock;
 522         u8 fw_vif_idx;
 523         unsigned long flags;
 524         int ssid_len;
 525         u8 ssid[IEEE80211_MAX_SSID_LEN];
 526         u8 dot11_auth_mode;
 527         u8 auth_mode;
 528         u8 prwise_crypto;
 529         u8 prwise_crypto_len;
 530         u8 grp_crypto;
 531         u8 grp_crypto_len;
 532         u8 def_txkey_index;
 533         u8 next_mode;
 534         u8 nw_type;
 535         u8 bssid[ETH_ALEN];
 536         u8 req_bssid[ETH_ALEN];
 537         u16 ch_hint;
 538         u16 bss_ch;
 539         struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
 540         struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
 541         struct aggr_info *aggr_cntxt;
 542         struct ath6kl_htcap htcap;
 543
 544         struct timer_list disconnect_timer;
 545         struct timer_list sched_scan_timer;
 546
 547         struct cfg80211_scan_request *scan_req;
 548         enum sme_state sme_state;
 549         int reconnect_flag;
 550         u32 last_roc_id;
 551         u32 last_cancel_roc_id;
 552         u32 send_action_id;
 553         bool probe_req_report;
 554         u16 next_chan;
 555         enum nl80211_channel_type next_ch_type;
 556         enum ieee80211_band next_ch_band;
 557         u16 assoc_bss_beacon_int;
 558         u16 listen_intvl_t;
 559         u16 bmiss_time_t;
 560         u8 assoc_bss_dtim_period;
 561         struct net_device_stats net_stats;
 562         struct target_stats target_stats;
 563         struct wmi_connect_cmd profile;
 564
 565         struct list_head mc_filter;
 566 };
 567
 568 #define WOW_LIST_ID             0
 569 #define WOW_HOST_REQ_DELAY      500 /* ms */
 570
 571 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
 572
 573 /* Flag info */
 574 enum ath6kl_dev_state {
 575         WMI_ENABLED,
 576         WMI_READY,
 577         WMI_CTRL_EP_FULL,
 578         TESTMODE,
 579         DESTROY_IN_PROGRESS,
 580         SKIP_SCAN,
 581         ROAM_TBL_PEND,
 582         FIRST_BOOT,
 583 };
 584
 585 enum ath6kl_state {
 586         ATH6KL_STATE_OFF,
 587         ATH6KL_STATE_ON,
 588         ATH6KL_STATE_SUSPENDING,
 589         ATH6KL_STATE_RESUMING,
 590         ATH6KL_STATE_DEEPSLEEP,
 591         ATH6KL_STATE_CUTPOWER,
 592         ATH6KL_STATE_WOW,
 593         ATH6KL_STATE_SCHED_SCAN,
 594 };
 595
 596 struct ath6kl {
 597         struct device *dev;
 598         struct wiphy *wiphy;
 599
 600         enum ath6kl_state state;
 601         unsigned int testmode;
 602
 603         struct ath6kl_bmi bmi;
 604         const struct ath6kl_hif_ops *hif_ops;
 605         const struct ath6kl_htc_ops *htc_ops;
 606         struct wmi *wmi;
 607         int tx_pending[ENDPOINT_MAX];
 608         int total_tx_data_pend;
 609         struct htc_target *htc_target;
 610         enum ath6kl_hif_type hif_type;
 611         void *hif_priv;
 612         struct list_head vif_list;
 613         /* Lock to avoid race in vif_list entries among add/del/traverse */
 614         spinlock_t list_lock;
 615         u8 num_vif;
 616         unsigned int vif_max;
 617         u8 max_norm_iface;
 618         u8 avail_idx_map;
 619
 620         /*
 621          * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
 622          * calls, tx_pending and total_tx_data_pend.
 623          */
 624         spinlock_t lock;
 625
 626         struct semaphore sem;
 627         u8 lrssi_roam_threshold;
 628         struct ath6kl_version version;
 629         u32 target_type;
 630         u8 tx_pwr;
 631         struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
 632         u8 ibss_ps_enable;
 633         bool ibss_if_active;
 634         u8 node_num;
 635         u8 next_ep_id;
 636         struct ath6kl_cookie *cookie_list;
 637         u32 cookie_count;
 638         enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
 639         bool ac_stream_active[WMM_NUM_AC];
 640         u8 ac_stream_pri_map[WMM_NUM_AC];
 641         u8 hiac_stream_active_pri;
 642         u8 ep2ac_map[ENDPOINT_MAX];
 643         enum htc_endpoint_id ctrl_ep;
 644         struct ath6kl_htc_credit_info credit_state_info;
 645         u32 connect_ctrl_flags;
 646         u32 user_key_ctrl;
 647         u8 usr_bss_filter;
 648         struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
 649         u8 sta_list_index;
 650         struct ath6kl_req_key ap_mode_bkey;
 651         struct sk_buff_head mcastpsq;
 652         u32 want_ch_switch;
 653
 654         /*
 655          * FIXME: protects access to mcastpsq but is actually useless as
 656          * all skbe_queue_*() functions provide serialisation themselves
 657          */
 658         spinlock_t mcastpsq_lock;
 659
 660         u8 intra_bss;
 661         struct wmi_ap_mode_stat ap_stats;
 662         u8 ap_country_code[3];
 663         struct list_head amsdu_rx_buffer_queue;
 664         u8 rx_meta_ver;
 665         enum wlan_low_pwr_state wlan_pwr_state;
 666         u8 mac_addr[ETH_ALEN];
 667 #define AR_MCAST_FILTER_MAC_ADDR_SIZE  4
 668         struct {
 669                 void *rx_report;
 670                 size_t rx_report_len;
 671         } tm;
 672
 673         struct ath6kl_hw {
 674                 u32 id;
 675                 const char *name;
 676                 u32 dataset_patch_addr;
 677                 u32 app_load_addr;
 678                 u32 app_start_override_addr;
 679                 u32 board_ext_data_addr;
 680                 u32 reserved_ram_size;
 681                 u32 board_addr;
 682                 u32 refclk_hz;
 683                 u32 uarttx_pin;
 684                 u32 testscript_addr;
 685
 686                 struct ath6kl_hw_fw {
 687                         const char *dir;
 688                         const char *otp;
 689                         const char *fw;
 690                         const char *tcmd;
 691                         const char *patch;
 692                         const char *utf;
 693                         const char *testscript;
 694                 } fw;
 695
 696                 const char *fw_board;
 697                 const char *fw_default_board;
 698         } hw;
 699
 700         u16 conf_flags;
 701         u16 suspend_mode;
 702         u16 wow_suspend_mode;
 703         wait_queue_head_t event_wq;
 704         struct ath6kl_mbox_info mbox_info;
 705
 706         struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
 707         unsigned long flag;
 708
 709         u8 *fw_board;
 710         size_t fw_board_len;
 711
 712         u8 *fw_otp;
 713         size_t fw_otp_len;
 714
 715         u8 *fw;
 716         size_t fw_len;
 717
 718         u8 *fw_patch;
 719         size_t fw_patch_len;
 720
 721         u8 *fw_testscript;
 722         size_t fw_testscript_len;
 723
 724         unsigned int fw_api;
 725         unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
 726
 727         struct workqueue_struct *ath6kl_wq;
 728
 729         struct dentry *debugfs_phy;
 730
 731         bool p2p;
 732
 733         bool wiphy_registered;
 734
 735 #ifdef CONFIG_ATH6KL_DEBUG
 736         struct {
 737                 struct sk_buff_head fwlog_queue;
 738                 struct completion fwlog_completion;
 739                 bool fwlog_open;
 740
 741                 u32 fwlog_mask;
 742
 743                 unsigned int dbgfs_diag_reg;
 744                 u32 diag_reg_addr_wr;
 745                 u32 diag_reg_val_wr;
 746
 747                 struct {
 748                         unsigned int invalid_rate;
 749                 } war_stats;
 750
 751                 u8 *roam_tbl;
 752                 unsigned int roam_tbl_len;
 753
 754                 u8 keepalive;
 755                 u8 disc_timeout;
 756         } debug;
 757 #endif /* CONFIG_ATH6KL_DEBUG */
 758 };
 759
 760 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
 761 {
 762         return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
 763 }
 764
 765 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
 766                                           u32 item_offset)
 767 {
 768         u32 addr = 0;
 769
 770         if (ar->target_type == TARGET_TYPE_AR6003)
 771                 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
 772         else if (ar->target_type == TARGET_TYPE_AR6004)
 773                 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
 774
 775         return addr;
 776 }
 777
 778 int ath6kl_configure_target(struct ath6kl *ar);
 779 void ath6kl_detect_error(unsigned long ptr);
 780 void disconnect_timer_handler(unsigned long ptr);
 781 void init_netdev(struct net_device *dev);
 782 void ath6kl_cookie_init(struct ath6kl *ar);
 783 void ath6kl_cookie_cleanup(struct ath6kl *ar);
 784 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
 785 void ath6kl_tx_complete(struct htc_target *context,
 786                         struct list_head *packet_queue);
 787 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 788                                                struct htc_packet *packet);
 789 void ath6kl_stop_txrx(struct ath6kl *ar);
 790 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
 791 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
 792 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 793 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 794 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
 795 int ath6kl_read_fwlogs(struct ath6kl *ar);
 796 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
 797 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
 798
 799 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
 800 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
 801 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
 802
 803 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
 804 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
 805                     struct aggr_info_conn *aggr_conn);
 806 void ath6kl_rx_refill(struct htc_target *target,
 807                       enum htc_endpoint_id endpoint);
 808 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
 809 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
 810                                             enum htc_endpoint_id endpoint,
 811                                             int len);
 812 void aggr_module_destroy(struct aggr_info *aggr_info);
 813 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
 814
 815 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
 816 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
 817
 818 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver);
 819 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 820                       enum htc_endpoint_id eid);
 821 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
 822                           u8 *bssid, u16 listen_int,
 823                           u16 beacon_int, enum network_type net_type,
 824                           u8 beacon_ie_len, u8 assoc_req_len,
 825                           u8 assoc_resp_len, u8 *assoc_info);
 826 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
 827 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
 828                                 u8 keymgmt, u8 ucipher, u8 auth,
 829                                 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
 830 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
 831                              u8 *bssid, u8 assoc_resp_len,
 832                              u8 *assoc_info, u16 prot_reason_status);
 833 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
 834 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
 835 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
 836 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
 837 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
 838 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
 839
 840 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
 841
 842 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
 843 void ath6kl_disconnect(struct ath6kl_vif *vif);
 844 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
 845 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
 846                              u8 win_sz);
 847 void ath6kl_wakeup_event(void *dev);
 848
 849 void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
 850                          bool wait_fot_compltn, bool cold_reset);
 851 void ath6kl_init_control_info(struct ath6kl_vif *vif);
 852 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
 853 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready);
 854 int ath6kl_init_hw_start(struct ath6kl *ar);
 855 int ath6kl_init_hw_stop(struct ath6kl *ar);
 856 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
 857 int ath6kl_init_hw_params(struct ath6kl *ar);
 858
 859 void ath6kl_check_wow_status(struct ath6kl *ar);
 860
 861 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
 862 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
 863
 864 struct ath6kl *ath6kl_core_create(struct device *dev);
 865 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
 866 void ath6kl_core_cleanup(struct ath6kl *ar);
 867 void ath6kl_core_destroy(struct ath6kl *ar);
 868
 869 #endif /* CORE_H */