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         /*
 104          * Multicast support in WOW and host awake mode.
 105          * Allow all multicast in host awake mode.
 106          * Apply multicast filter in WOW mode.
 107          */
 108         ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
 109
 110         /* Firmware supports enhanced bmiss detection */
 111         ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
 112
 113         /*
 114          * FW supports matching of ssid in schedule scan
 115          */
 116         ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
 117
 118         /* Firmware supports filtering BSS results by RSSI */
 119         ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
 120
 121         /* FW sets mac_addr[4] ^= 0x80 for newly created interfaces */
 122         ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
 123
 124         /* Firmware supports TX error rate notification */
 125         ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
 126
 127         /* supports WMI_SET_REGDOMAIN_CMDID command */
 128         ATH6KL_FW_CAPABILITY_REGDOMAIN,
 129
 130         /* Firmware supports sched scan decoupled from host sleep */
 131         ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
 132
 133         /*
 134          * Firmware capability for hang detection through heart beat
 135          * challenge messages.
 136          */
 137         ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
 138
 139         /* this needs to be last */
 140         ATH6KL_FW_CAPABILITY_MAX,
 141 };
 142
 143 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
 144
 145 struct ath6kl_fw_ie {
 146         __le32 id;
 147         __le32 len;
 148         u8 data[0];
 149 };
 150
 151 enum ath6kl_hw_flags {
 152         ATH6KL_HW_64BIT_RATES           = BIT(0),
 153         ATH6KL_HW_AP_INACTIVITY_MINS    = BIT(1),
 154         ATH6KL_HW_MAP_LP_ENDPOINT       = BIT(2),
 155         ATH6KL_HW_SDIO_CRC_ERROR_WAR    = BIT(3),
 156 };
 157
 158 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 159 #define ATH6KL_FW_API3_FILE "fw-3.bin"
 160 #define ATH6KL_FW_API4_FILE "fw-4.bin"
 161
 162 /* AR6003 1.0 definitions */
 163 #define AR6003_HW_1_0_VERSION                 0x300002ba
 164
 165 /* AR6003 2.0 definitions */
 166 #define AR6003_HW_2_0_VERSION                 0x30000384
 167 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS  0x57e910
 168 #define AR6003_HW_2_0_FW_DIR                    "ath6k/AR6003/hw2.0"
 169 #define AR6003_HW_2_0_OTP_FILE                  "otp.bin.z77"
 170 #define AR6003_HW_2_0_FIRMWARE_FILE             "athwlan.bin.z77"
 171 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE        "athtcmd_ram.bin"
 172 #define AR6003_HW_2_0_PATCH_FILE                "data.patch.bin"
 173 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
 174 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
 175                         AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
 176
 177 /* AR6003 3.0 definitions */
 178 #define AR6003_HW_2_1_1_VERSION                 0x30000582
 179 #define AR6003_HW_2_1_1_FW_DIR                  "ath6k/AR6003/hw2.1.1"
 180 #define AR6003_HW_2_1_1_OTP_FILE                "otp.bin"
 181 #define AR6003_HW_2_1_1_FIRMWARE_FILE           "athwlan.bin"
 182 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE      "athtcmd_ram.bin"
 183 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE       "utf.bin"
 184 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
 185 #define AR6003_HW_2_1_1_PATCH_FILE              "data.patch.bin"
 186 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
 187 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
 188                         AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
 189
 190 /* AR6004 1.0 definitions */
 191 #define AR6004_HW_1_0_VERSION                 0x30000623
 192 #define AR6004_HW_1_0_FW_DIR                    "ath6k/AR6004/hw1.0"
 193 #define AR6004_HW_1_0_FIRMWARE_FILE             "fw.ram.bin"
 194 #define AR6004_HW_1_0_BOARD_DATA_FILE         AR6004_HW_1_0_FW_DIR "/bdata.bin"
 195 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
 196         AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
 197
 198 /* AR6004 1.1 definitions */
 199 #define AR6004_HW_1_1_VERSION                 0x30000001
 200 #define AR6004_HW_1_1_FW_DIR                    "ath6k/AR6004/hw1.1"
 201 #define AR6004_HW_1_1_FIRMWARE_FILE             "fw.ram.bin"
 202 #define AR6004_HW_1_1_BOARD_DATA_FILE         AR6004_HW_1_1_FW_DIR "/bdata.bin"
 203 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
 204         AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
 205
 206 /* AR6004 1.2 definitions */
 207 #define AR6004_HW_1_2_VERSION                 0x300007e8
 208 #define AR6004_HW_1_2_FW_DIR                    "ath6k/AR6004/hw1.2"
 209 #define AR6004_HW_1_2_FIRMWARE_FILE           "fw.ram.bin"
 210 #define AR6004_HW_1_2_BOARD_DATA_FILE         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 211 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
 212         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 213
 214 /* AR6004 1.3 definitions */
 215 #define AR6004_HW_1_3_VERSION                   0x31c8088a
 216 #define AR6004_HW_1_3_FW_DIR                    "ath6k/AR6004/hw1.3"
 217 #define AR6004_HW_1_3_FIRMWARE_FILE             "fw.ram.bin"
 218 #define AR6004_HW_1_3_BOARD_DATA_FILE           "ath6k/AR6004/hw1.3/bdata.bin"
 219 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE   "ath6k/AR6004/hw1.3/bdata.bin"
 220
 221 /* Per STA data, used in AP mode */
 222 #define STA_PS_AWAKE            BIT(0)
 223 #define STA_PS_SLEEP            BIT(1)
 224 #define STA_PS_POLLED           BIT(2)
 225 #define STA_PS_APSD_TRIGGER     BIT(3)
 226 #define STA_PS_APSD_EOSP        BIT(4)
 227
 228 /* HTC TX packet tagging definitions */
 229 #define ATH6KL_CONTROL_PKT_TAG    HTC_TX_PACKET_TAG_USER_DEFINED
 230 #define ATH6KL_DATA_PKT_TAG       (ATH6KL_CONTROL_PKT_TAG + 1)
 231
 232 #define AR6003_CUST_DATA_SIZE 16
 233
 234 #define AGGR_WIN_IDX(x, y)          ((x) % (y))
 235 #define AGGR_INCR_IDX(x, y)         AGGR_WIN_IDX(((x) + 1), (y))
 236 #define AGGR_DCRM_IDX(x, y)         AGGR_WIN_IDX(((x) - 1), (y))
 237 #define ATH6KL_MAX_SEQ_NO               0xFFF
 238 #define ATH6KL_NEXT_SEQ_NO(x)           (((x) + 1) & ATH6KL_MAX_SEQ_NO)
 239
 240 #define NUM_OF_TIDS         8
 241 #define AGGR_SZ_DEFAULT     8
 242
 243 #define AGGR_WIN_SZ_MIN     2
 244 #define AGGR_WIN_SZ_MAX     8
 245
 246 #define TID_WINDOW_SZ(_x)   ((_x) << 1)
 247
 248 #define AGGR_NUM_OF_FREE_NETBUFS    16
 249
 250 #define AGGR_RX_TIMEOUT     100 /* in ms */
 251
 252 #define WMI_TIMEOUT (2 * HZ)
 253
 254 #define MBOX_YIELD_LIMIT 99
 255
 256 #define ATH6KL_DEFAULT_LISTEN_INTVAL    100 /* in TUs */
 257 #define ATH6KL_DEFAULT_BMISS_TIME       1500
 258 #define ATH6KL_MAX_WOW_LISTEN_INTL      300 /* in TUs */
 259 #define ATH6KL_MAX_BMISS_TIME           5000
 260
 261 /* configuration lags */
 262 /*
 263  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
 264  * ERP IE of beacon to determine the short premable support when
 265  * sending (Re)Assoc req.
 266  * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
 267  * module state transition failure events which happen during
 268  * scan, to the host.
 269  */
 270 #define ATH6KL_CONF_IGNORE_ERP_BARKER           BIT(0)
 271 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN  BIT(1)
 272 #define ATH6KL_CONF_ENABLE_11N                  BIT(2)
 273 #define ATH6KL_CONF_ENABLE_TX_BURST             BIT(3)
 274 #define ATH6KL_CONF_UART_DEBUG                  BIT(4)
 275
 276 #define P2P_WILDCARD_SSID_LEN                   7 /* DIRECT- */
 277
 278 enum wlan_low_pwr_state {
 279         WLAN_POWER_STATE_ON,
 280         WLAN_POWER_STATE_CUT_PWR,
 281         WLAN_POWER_STATE_DEEP_SLEEP,
 282         WLAN_POWER_STATE_WOW
 283 };
 284
 285 enum sme_state {
 286         SME_DISCONNECTED,
 287         SME_CONNECTING,
 288         SME_CONNECTED
 289 };
 290
 291 struct skb_hold_q {
 292         struct sk_buff *skb;
 293         bool is_amsdu;
 294         u16 seq_no;
 295 };
 296
 297 struct rxtid {
 298         bool aggr;
 299         bool timer_mon;
 300         u16 win_sz;
 301         u16 seq_next;
 302         u32 hold_q_sz;
 303         struct skb_hold_q *hold_q;
 304         struct sk_buff_head q;
 305
 306         /*
 307          * lock mainly protects seq_next and hold_q. Movement of seq_next
 308          * needs to be protected between aggr_timeout() and
 309          * aggr_process_recv_frm(). hold_q will be holding the pending
 310          * reorder frames and it's access should also be protected.
 311          * Some of the other fields like hold_q_sz, win_sz and aggr are
 312          * initialized/reset when receiving addba/delba req, also while
 313          * deleting aggr state all the pending buffers are flushed before
 314          * resetting these fields, so there should not be any race in accessing
 315          * these fields.
 316          */
 317         spinlock_t lock;
 318 };
 319
 320 struct rxtid_stats {
 321         u32 num_into_aggr;
 322         u32 num_dups;
 323         u32 num_oow;
 324         u32 num_mpdu;
 325         u32 num_amsdu;
 326         u32 num_delivered;
 327         u32 num_timeouts;
 328         u32 num_hole;
 329         u32 num_bar;
 330 };
 331
 332 struct aggr_info_conn {
 333         u8 aggr_sz;
 334         u8 timer_scheduled;
 335         struct timer_list timer;
 336         struct net_device *dev;
 337         struct rxtid rx_tid[NUM_OF_TIDS];
 338         struct rxtid_stats stat[NUM_OF_TIDS];
 339         struct aggr_info *aggr_info;
 340 };
 341
 342 struct aggr_info {
 343         struct aggr_info_conn *aggr_conn;
 344         struct sk_buff_head rx_amsdu_freeq;
 345 };
 346
 347 struct ath6kl_wep_key {
 348         u8 key_index;
 349         u8 key_len;
 350         u8 key[64];
 351 };
 352
 353 #define ATH6KL_KEY_SEQ_LEN 8
 354
 355 struct ath6kl_key {
 356         u8 key[WLAN_MAX_KEY_LEN];
 357         u8 key_len;
 358         u8 seq[ATH6KL_KEY_SEQ_LEN];
 359         u8 seq_len;
 360         u32 cipher;
 361 };
 362
 363 struct ath6kl_node_mapping {
 364         u8 mac_addr[ETH_ALEN];
 365         u8 ep_id;
 366         u8 tx_pend;
 367 };
 368
 369 struct ath6kl_cookie {
 370         struct sk_buff *skb;
 371         u32 map_no;
 372         struct htc_packet htc_pkt;
 373         struct ath6kl_cookie *arc_list_next;
 374 };
 375
 376 struct ath6kl_mgmt_buff {
 377         struct list_head list;
 378         u32 freq;
 379         u32 wait;
 380         u32 id;
 381         bool no_cck;
 382         size_t len;
 383         u8 buf[0];
 384 };
 385
 386 struct ath6kl_sta {
 387         u16 sta_flags;
 388         u8 mac[ETH_ALEN];
 389         u8 aid;
 390         u8 keymgmt;
 391         u8 ucipher;
 392         u8 auth;
 393         u8 wpa_ie[ATH6KL_MAX_IE];
 394         struct sk_buff_head psq;
 395
 396         /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
 397         spinlock_t psq_lock;
 398
 399         struct list_head mgmt_psq;
 400         size_t mgmt_psq_len;
 401         u8 apsd_info;
 402         struct sk_buff_head apsdq;
 403         struct aggr_info_conn *aggr_conn;
 404 };
 405
 406 struct ath6kl_version {
 407         u32 target_ver;
 408         u32 wlan_ver;
 409         u32 abi_ver;
 410 };
 411
 412 struct ath6kl_bmi {
 413         u32 cmd_credits;
 414         bool done_sent;
 415         u8 *cmd_buf;
 416         u32 max_data_size;
 417         u32 max_cmd_size;
 418 };
 419
 420 struct target_stats {
 421         u64 tx_pkt;
 422         u64 tx_byte;
 423         u64 tx_ucast_pkt;
 424         u64 tx_ucast_byte;
 425         u64 tx_mcast_pkt;
 426         u64 tx_mcast_byte;
 427         u64 tx_bcast_pkt;
 428         u64 tx_bcast_byte;
 429         u64 tx_rts_success_cnt;
 430         u64 tx_pkt_per_ac[4];
 431
 432         u64 tx_err;
 433         u64 tx_fail_cnt;
 434         u64 tx_retry_cnt;
 435         u64 tx_mult_retry_cnt;
 436         u64 tx_rts_fail_cnt;
 437
 438         u64 rx_pkt;
 439         u64 rx_byte;
 440         u64 rx_ucast_pkt;
 441         u64 rx_ucast_byte;
 442         u64 rx_mcast_pkt;
 443         u64 rx_mcast_byte;
 444         u64 rx_bcast_pkt;
 445         u64 rx_bcast_byte;
 446         u64 rx_frgment_pkt;
 447
 448         u64 rx_err;
 449         u64 rx_crc_err;
 450         u64 rx_key_cache_miss;
 451         u64 rx_decrypt_err;
 452         u64 rx_dupl_frame;
 453
 454         u64 tkip_local_mic_fail;
 455         u64 tkip_cnter_measures_invoked;
 456         u64 tkip_replays;
 457         u64 tkip_fmt_err;
 458         u64 ccmp_fmt_err;
 459         u64 ccmp_replays;
 460
 461         u64 pwr_save_fail_cnt;
 462
 463         u64 cs_bmiss_cnt;
 464         u64 cs_low_rssi_cnt;
 465         u64 cs_connect_cnt;
 466         u64 cs_discon_cnt;
 467
 468         s32 tx_ucast_rate;
 469         s32 rx_ucast_rate;
 470
 471         u32 lq_val;
 472
 473         u32 wow_pkt_dropped;
 474         u16 wow_evt_discarded;
 475
 476         s16 noise_floor_calib;
 477         s16 cs_rssi;
 478         s16 cs_ave_beacon_rssi;
 479         u8 cs_ave_beacon_snr;
 480         u8 cs_last_roam_msec;
 481         u8 cs_snr;
 482
 483         u8 wow_host_pkt_wakeups;
 484         u8 wow_host_evt_wakeups;
 485
 486         u32 arp_received;
 487         u32 arp_matched;
 488         u32 arp_replied;
 489 };
 490
 491 struct ath6kl_mbox_info {
 492         u32 htc_addr;
 493         u32 htc_ext_addr;
 494         u32 htc_ext_sz;
 495
 496         u32 block_size;
 497
 498         u32 gmbox_addr;
 499
 500         u32 gmbox_sz;
 501 };
 502
 503 /*
 504  * 802.11i defines an extended IV for use with non-WEP ciphers.
 505  * When the EXTIV bit is set in the key id byte an additional
 506  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
 507  * EXTIV bit is likewise set but the 8 bytes represent the
 508  * CCMP header rather than IV+extended-IV.
 509  */
 510
 511 #define ATH6KL_KEYBUF_SIZE 16
 512 #define ATH6KL_MICBUF_SIZE (8+8)        /* space for both tx and rx */
 513
 514 #define ATH6KL_KEY_XMIT  0x01
 515 #define ATH6KL_KEY_RECV  0x02
 516 #define ATH6KL_KEY_DEFAULT   0x80       /* default xmit key */
 517
 518 /* Initial group key for AP mode */
 519 struct ath6kl_req_key {
 520         bool valid;
 521         u8 key_index;
 522         int key_type;
 523         u8 key[WLAN_MAX_KEY_LEN];
 524         u8 key_len;
 525 };
 526
 527 enum ath6kl_hif_type {
 528         ATH6KL_HIF_TYPE_SDIO,
 529         ATH6KL_HIF_TYPE_USB,
 530 };
 531
 532 enum ath6kl_htc_type {
 533         ATH6KL_HTC_TYPE_MBOX,
 534         ATH6KL_HTC_TYPE_PIPE,
 535 };
 536
 537 /* Max number of filters that hw supports */
 538 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
 539 struct ath6kl_mc_filter {
 540         struct list_head list;
 541         char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
 542 };
 543
 544 struct ath6kl_htcap {
 545         bool ht_enable;
 546         u8 ampdu_factor;
 547         unsigned short cap_info;
 548 };
 549
 550 /*
 551  * Driver's maximum limit, note that some firmwares support only one vif
 552  * and the runtime (current) limit must be checked from ar->vif_max.
 553  */
 554 #define ATH6KL_VIF_MAX  3
 555
 556 /* vif flags info */
 557 enum ath6kl_vif_state {
 558         CONNECTED,
 559         CONNECT_PEND,
 560         WMM_ENABLED,
 561         NETQ_STOPPED,
 562         DTIM_EXPIRED,
 563         CLEAR_BSSFILTER_ON_BEACON,
 564         DTIM_PERIOD_AVAIL,
 565         WLAN_ENABLED,
 566         STATS_UPDATE_PEND,
 567         HOST_SLEEP_MODE_CMD_PROCESSED,
 568         NETDEV_MCAST_ALL_ON,
 569         NETDEV_MCAST_ALL_OFF,
 570         SCHED_SCANNING,
 571 };
 572
 573 struct ath6kl_vif {
 574         struct list_head list;
 575         struct wireless_dev wdev;
 576         struct net_device *ndev;
 577         struct ath6kl *ar;
 578         /* Lock to protect vif specific net_stats and flags */
 579         spinlock_t if_lock;
 580         u8 fw_vif_idx;
 581         unsigned long flags;
 582         int ssid_len;
 583         u8 ssid[IEEE80211_MAX_SSID_LEN];
 584         u8 dot11_auth_mode;
 585         u8 auth_mode;
 586         u8 prwise_crypto;
 587         u8 prwise_crypto_len;
 588         u8 grp_crypto;
 589         u8 grp_crypto_len;
 590         u8 def_txkey_index;
 591         u8 next_mode;
 592         u8 nw_type;
 593         u8 bssid[ETH_ALEN];
 594         u8 req_bssid[ETH_ALEN];
 595         u16 ch_hint;
 596         u16 bss_ch;
 597         struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
 598         struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
 599         struct aggr_info *aggr_cntxt;
 600         struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS];
 601
 602         struct timer_list disconnect_timer;
 603         struct timer_list sched_scan_timer;
 604
 605         struct cfg80211_scan_request *scan_req;
 606         enum sme_state sme_state;
 607         int reconnect_flag;
 608         u32 last_roc_id;
 609         u32 last_cancel_roc_id;
 610         u32 send_action_id;
 611         bool probe_req_report;
 612         u16 assoc_bss_beacon_int;
 613         u16 listen_intvl_t;
 614         u16 bmiss_time_t;
 615         u32 txe_intvl;
 616         u16 bg_scan_period;
 617         u8 assoc_bss_dtim_period;
 618         struct net_device_stats net_stats;
 619         struct target_stats target_stats;
 620         struct wmi_connect_cmd profile;
 621         u16 rsn_capab;
 622
 623         struct list_head mc_filter;
 624 };
 625
 626 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
 627 {
 628         return container_of(wdev, struct ath6kl_vif, wdev);
 629 }
 630
 631 #define WOW_LIST_ID             0
 632 #define WOW_HOST_REQ_DELAY      500 /* ms */
 633
 634 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
 635
 636 /* Flag info */
 637 enum ath6kl_dev_state {
 638         WMI_ENABLED,
 639         WMI_READY,
 640         WMI_CTRL_EP_FULL,
 641         TESTMODE,
 642         DESTROY_IN_PROGRESS,
 643         SKIP_SCAN,
 644         ROAM_TBL_PEND,
 645         FIRST_BOOT,
 646         RECOVERY_CLEANUP,
 647 };
 648
 649 enum ath6kl_state {
 650         ATH6KL_STATE_OFF,
 651         ATH6KL_STATE_ON,
 652         ATH6KL_STATE_SUSPENDING,
 653         ATH6KL_STATE_RESUMING,
 654         ATH6KL_STATE_DEEPSLEEP,
 655         ATH6KL_STATE_CUTPOWER,
 656         ATH6KL_STATE_WOW,
 657         ATH6KL_STATE_RECOVERY,
 658 };
 659
 660 /* Fw error recovery */
 661 #define ATH6KL_HB_RESP_MISS_THRES       5
 662
 663 enum ath6kl_fw_err {
 664         ATH6KL_FW_ASSERT,
 665         ATH6KL_FW_HB_RESP_FAILURE,
 666         ATH6KL_FW_EP_FULL,
 667 };
 668
 669 struct ath6kl {
 670         struct device *dev;
 671         struct wiphy *wiphy;
 672
 673         enum ath6kl_state state;
 674         unsigned int testmode;
 675
 676         struct ath6kl_bmi bmi;
 677         const struct ath6kl_hif_ops *hif_ops;
 678         const struct ath6kl_htc_ops *htc_ops;
 679         struct wmi *wmi;
 680         int tx_pending[ENDPOINT_MAX];
 681         int total_tx_data_pend;
 682         struct htc_target *htc_target;
 683         enum ath6kl_hif_type hif_type;
 684         void *hif_priv;
 685         struct list_head vif_list;
 686         /* Lock to avoid race in vif_list entries among add/del/traverse */
 687         spinlock_t list_lock;
 688         u8 num_vif;
 689         unsigned int vif_max;
 690         u8 max_norm_iface;
 691         u8 avail_idx_map;
 692
 693         /*
 694          * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
 695          * calls, tx_pending and total_tx_data_pend.
 696          */
 697         spinlock_t lock;
 698
 699         struct semaphore sem;
 700         u8 lrssi_roam_threshold;
 701         struct ath6kl_version version;
 702         u32 target_type;
 703         u8 tx_pwr;
 704         struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
 705         u8 ibss_ps_enable;
 706         bool ibss_if_active;
 707         u8 node_num;
 708         u8 next_ep_id;
 709         struct ath6kl_cookie *cookie_list;
 710         u32 cookie_count;
 711         enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
 712         bool ac_stream_active[WMM_NUM_AC];
 713         u8 ac_stream_pri_map[WMM_NUM_AC];
 714         u8 hiac_stream_active_pri;
 715         u8 ep2ac_map[ENDPOINT_MAX];
 716         enum htc_endpoint_id ctrl_ep;
 717         struct ath6kl_htc_credit_info credit_state_info;
 718         u32 connect_ctrl_flags;
 719         u32 user_key_ctrl;
 720         u8 usr_bss_filter;
 721         struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
 722         u8 sta_list_index;
 723         struct ath6kl_req_key ap_mode_bkey;
 724         struct sk_buff_head mcastpsq;
 725         u32 want_ch_switch;
 726         u16 last_ch;
 727
 728         /*
 729          * FIXME: protects access to mcastpsq but is actually useless as
 730          * all skbe_queue_*() functions provide serialisation themselves
 731          */
 732         spinlock_t mcastpsq_lock;
 733
 734         u8 intra_bss;
 735         struct wmi_ap_mode_stat ap_stats;
 736         u8 ap_country_code[3];
 737         struct list_head amsdu_rx_buffer_queue;
 738         u8 rx_meta_ver;
 739         enum wlan_low_pwr_state wlan_pwr_state;
 740         u8 mac_addr[ETH_ALEN];
 741 #define AR_MCAST_FILTER_MAC_ADDR_SIZE  4
 742         struct {
 743                 void *rx_report;
 744                 size_t rx_report_len;
 745         } tm;
 746
 747         struct ath6kl_hw {
 748                 u32 id;
 749                 const char *name;
 750                 u32 dataset_patch_addr;
 751                 u32 app_load_addr;
 752                 u32 app_start_override_addr;
 753                 u32 board_ext_data_addr;
 754                 u32 reserved_ram_size;
 755                 u32 board_addr;
 756                 u32 refclk_hz;
 757                 u32 uarttx_pin;
 758                 u32 testscript_addr;
 759                 enum wmi_phy_cap cap;
 760
 761                 u32 flags;
 762
 763                 struct ath6kl_hw_fw {
 764                         const char *dir;
 765                         const char *otp;
 766                         const char *fw;
 767                         const char *tcmd;
 768                         const char *patch;
 769                         const char *utf;
 770                         const char *testscript;
 771                 } fw;
 772
 773                 const char *fw_board;
 774                 const char *fw_default_board;
 775         } hw;
 776
 777         u16 conf_flags;
 778         u16 suspend_mode;
 779         u16 wow_suspend_mode;
 780         wait_queue_head_t event_wq;
 781         struct ath6kl_mbox_info mbox_info;
 782
 783         struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
 784         unsigned long flag;
 785
 786         u8 *fw_board;
 787         size_t fw_board_len;
 788
 789         u8 *fw_otp;
 790         size_t fw_otp_len;
 791
 792         u8 *fw;
 793         size_t fw_len;
 794
 795         u8 *fw_patch;
 796         size_t fw_patch_len;
 797
 798         u8 *fw_testscript;
 799         size_t fw_testscript_len;
 800
 801         unsigned int fw_api;
 802         unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
 803
 804         struct workqueue_struct *ath6kl_wq;
 805
 806         struct dentry *debugfs_phy;
 807
 808         bool p2p;
 809
 810         bool wiphy_registered;
 811
 812         struct ath6kl_fw_recovery {
 813                 struct work_struct recovery_work;
 814                 unsigned long err_reason;
 815                 unsigned long hb_poll;
 816                 struct timer_list hb_timer;
 817                 u32 seq_num;
 818                 bool hb_pending;
 819                 u8 hb_misscnt;
 820                 bool enable;
 821         } fw_recovery;
 822
 823 #ifdef CONFIG_ATH6KL_DEBUG
 824         struct {
 825                 struct sk_buff_head fwlog_queue;
 826                 struct completion fwlog_completion;
 827                 bool fwlog_open;
 828
 829                 u32 fwlog_mask;
 830
 831                 unsigned int dbgfs_diag_reg;
 832                 u32 diag_reg_addr_wr;
 833                 u32 diag_reg_val_wr;
 834
 835                 struct {
 836                         unsigned int invalid_rate;
 837                 } war_stats;
 838
 839                 u8 *roam_tbl;
 840                 unsigned int roam_tbl_len;
 841
 842                 u8 keepalive;
 843                 u8 disc_timeout;
 844         } debug;
 845 #endif /* CONFIG_ATH6KL_DEBUG */
 846 };
 847
 848 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
 849 {
 850         return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
 851 }
 852
 853 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
 854                                           u32 item_offset)
 855 {
 856         u32 addr = 0;
 857
 858         if (ar->target_type == TARGET_TYPE_AR6003)
 859                 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
 860         else if (ar->target_type == TARGET_TYPE_AR6004)
 861                 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
 862
 863         return addr;
 864 }
 865
 866 int ath6kl_configure_target(struct ath6kl *ar);
 867 void ath6kl_detect_error(unsigned long ptr);
 868 void disconnect_timer_handler(unsigned long ptr);
 869 void init_netdev(struct net_device *dev);
 870 void ath6kl_cookie_init(struct ath6kl *ar);
 871 void ath6kl_cookie_cleanup(struct ath6kl *ar);
 872 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
 873 void ath6kl_tx_complete(struct htc_target *context,
 874                         struct list_head *packet_queue);
 875 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 876                                                struct htc_packet *packet);
 877 void ath6kl_stop_txrx(struct ath6kl *ar);
 878 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
 879 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
 880 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 881 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 882 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
 883 int ath6kl_read_fwlogs(struct ath6kl *ar);
 884 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
 885 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
 886
 887 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
 888 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
 889 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
 890
 891 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
 892 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
 893                     struct aggr_info_conn *aggr_conn);
 894 void ath6kl_rx_refill(struct htc_target *target,
 895                       enum htc_endpoint_id endpoint);
 896 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
 897 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
 898                                             enum htc_endpoint_id endpoint,
 899                                             int len);
 900 void aggr_module_destroy(struct aggr_info *aggr_info);
 901 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
 902
 903 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
 904 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
 905
 906 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
 907                         enum wmi_phy_cap cap);
 908 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 909                       enum htc_endpoint_id eid);
 910 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
 911                           u8 *bssid, u16 listen_int,
 912                           u16 beacon_int, enum network_type net_type,
 913                           u8 beacon_ie_len, u8 assoc_req_len,
 914                           u8 assoc_resp_len, u8 *assoc_info);
 915 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
 916 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
 917                                 u8 keymgmt, u8 ucipher, u8 auth,
 918                                 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
 919 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
 920                              u8 *bssid, u8 assoc_resp_len,
 921                              u8 *assoc_info, u16 prot_reason_status);
 922 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
 923 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
 924 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
 925 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
 926 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
 927 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
 928
 929 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
 930
 931 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
 932 void ath6kl_disconnect(struct ath6kl_vif *vif);
 933 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
 934 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
 935                              u8 win_sz);
 936 void ath6kl_wakeup_event(void *dev);
 937
 938 void ath6kl_init_control_info(struct ath6kl_vif *vif);
 939 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
 940 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);
 941 int ath6kl_init_hw_start(struct ath6kl *ar);
 942 int ath6kl_init_hw_stop(struct ath6kl *ar);
 943 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
 944 int ath6kl_init_hw_params(struct ath6kl *ar);
 945
 946 void ath6kl_check_wow_status(struct ath6kl *ar);
 947
 948 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
 949 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
 950
 951 struct ath6kl *ath6kl_core_create(struct device *dev);
 952 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
 953 void ath6kl_core_cleanup(struct ath6kl *ar);
 954 void ath6kl_core_destroy(struct ath6kl *ar);
 955
 956 /* Fw error recovery */
 957 void ath6kl_init_hw_restart(struct ath6kl *ar);
 958 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
 959 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
 960 void ath6kl_recovery_init(struct ath6kl *ar);
 961 void ath6kl_recovery_cleanup(struct ath6kl *ar);
 962 void ath6kl_recovery_suspend(struct ath6kl *ar);
 963 void ath6kl_recovery_resume(struct ath6kl *ar);
 964 #endif /* CORE_H */