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         /* WMI_SET_TX_SELECT_RATES_CMDID uses 64 bit size rate table */
 140         ATH6KL_FW_CAPABILITY_64BIT_RATES,
 141
 142         /* WMI_AP_CONN_INACT_CMDID uses minutes as units */
 143         ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
 144
 145         /* use low priority endpoint for all data */
 146         ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
 147
 148         /* ratetable is the 2 stream version (max MCS15) */
 149         ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
 150
 151         /* firmare doesn't support IP checksumming */
 152         ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
 153
 154         /* this needs to be last */
 155         ATH6KL_FW_CAPABILITY_MAX,
 156 };
 157
 158 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
 159
 160 struct ath6kl_fw_ie {
 161         __le32 id;
 162         __le32 len;
 163         u8 data[0];
 164 };
 165
 166 enum ath6kl_hw_flags {
 167         ATH6KL_HW_SDIO_CRC_ERROR_WAR    = BIT(3),
 168 };
 169
 170 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 171 #define ATH6KL_FW_API3_FILE "fw-3.bin"
 172 #define ATH6KL_FW_API4_FILE "fw-4.bin"
 173 #define ATH6KL_FW_API5_FILE "fw-5.bin"
 174
 175 /* AR6003 1.0 definitions */
 176 #define AR6003_HW_1_0_VERSION                 0x300002ba
 177
 178 /* AR6003 2.0 definitions */
 179 #define AR6003_HW_2_0_VERSION                 0x30000384
 180 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS  0x57e910
 181 #define AR6003_HW_2_0_FW_DIR                    "ath6k/AR6003/hw2.0"
 182 #define AR6003_HW_2_0_OTP_FILE                  "otp.bin.z77"
 183 #define AR6003_HW_2_0_FIRMWARE_FILE             "athwlan.bin.z77"
 184 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE        "athtcmd_ram.bin"
 185 #define AR6003_HW_2_0_PATCH_FILE                "data.patch.bin"
 186 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
 187 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
 188                         AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
 189
 190 /* AR6003 3.0 definitions */
 191 #define AR6003_HW_2_1_1_VERSION                 0x30000582
 192 #define AR6003_HW_2_1_1_FW_DIR                  "ath6k/AR6003/hw2.1.1"
 193 #define AR6003_HW_2_1_1_OTP_FILE                "otp.bin"
 194 #define AR6003_HW_2_1_1_FIRMWARE_FILE           "athwlan.bin"
 195 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE      "athtcmd_ram.bin"
 196 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE       "utf.bin"
 197 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
 198 #define AR6003_HW_2_1_1_PATCH_FILE              "data.patch.bin"
 199 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
 200 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
 201                         AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
 202
 203 /* AR6004 1.0 definitions */
 204 #define AR6004_HW_1_0_VERSION                 0x30000623
 205 #define AR6004_HW_1_0_FW_DIR                    "ath6k/AR6004/hw1.0"
 206 #define AR6004_HW_1_0_FIRMWARE_FILE             "fw.ram.bin"
 207 #define AR6004_HW_1_0_BOARD_DATA_FILE         AR6004_HW_1_0_FW_DIR "/bdata.bin"
 208 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
 209         AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
 210
 211 /* AR6004 1.1 definitions */
 212 #define AR6004_HW_1_1_VERSION                 0x30000001
 213 #define AR6004_HW_1_1_FW_DIR                    "ath6k/AR6004/hw1.1"
 214 #define AR6004_HW_1_1_FIRMWARE_FILE             "fw.ram.bin"
 215 #define AR6004_HW_1_1_BOARD_DATA_FILE         AR6004_HW_1_1_FW_DIR "/bdata.bin"
 216 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
 217         AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
 218
 219 /* AR6004 1.2 definitions */
 220 #define AR6004_HW_1_2_VERSION                 0x300007e8
 221 #define AR6004_HW_1_2_FW_DIR                    "ath6k/AR6004/hw1.2"
 222 #define AR6004_HW_1_2_FIRMWARE_FILE           "fw.ram.bin"
 223 #define AR6004_HW_1_2_BOARD_DATA_FILE         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 224 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
 225         AR6004_HW_1_2_FW_DIR "/bdata.bin"
 226
 227 /* AR6004 1.3 definitions */
 228 #define AR6004_HW_1_3_VERSION                   0x31c8088a
 229 #define AR6004_HW_1_3_FW_DIR                    "ath6k/AR6004/hw1.3"
 230 #define AR6004_HW_1_3_FIRMWARE_FILE             "fw.ram.bin"
 231 #define AR6004_HW_1_3_TCMD_FIRMWARE_FILE        "utf.bin"
 232 #define AR6004_HW_1_3_UTF_FIRMWARE_FILE         "utf.bin"
 233 #define AR6004_HW_1_3_TESTSCRIPT_FILE           "nullTestFlow.bin"
 234 #define AR6004_HW_1_3_BOARD_DATA_FILE         AR6004_HW_1_3_FW_DIR "/bdata.bin"
 235 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
 236
 237 /* AR6004 3.0 definitions */
 238 #define AR6004_HW_3_0_VERSION                   0x31C809F8
 239 #define AR6004_HW_3_0_FW_DIR                    "ath6k/AR6004/hw3.0"
 240 #define AR6004_HW_3_0_FIRMWARE_FILE             "fw.ram.bin"
 241 #define AR6004_HW_3_0_TCMD_FIRMWARE_FILE        "utf.bin"
 242 #define AR6004_HW_3_0_UTF_FIRMWARE_FILE         "utf.bin"
 243 #define AR6004_HW_3_0_TESTSCRIPT_FILE           "nullTestFlow.bin"
 244 #define AR6004_HW_3_0_BOARD_DATA_FILE         AR6004_HW_3_0_FW_DIR "/bdata.bin"
 245 #define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
 246
 247 /* Per STA data, used in AP mode */
 248 #define STA_PS_AWAKE            BIT(0)
 249 #define STA_PS_SLEEP            BIT(1)
 250 #define STA_PS_POLLED           BIT(2)
 251 #define STA_PS_APSD_TRIGGER     BIT(3)
 252 #define STA_PS_APSD_EOSP        BIT(4)
 253
 254 /* HTC TX packet tagging definitions */
 255 #define ATH6KL_CONTROL_PKT_TAG    HTC_TX_PACKET_TAG_USER_DEFINED
 256 #define ATH6KL_DATA_PKT_TAG       (ATH6KL_CONTROL_PKT_TAG + 1)
 257
 258 #define AR6003_CUST_DATA_SIZE 16
 259
 260 #define AGGR_WIN_IDX(x, y)          ((x) % (y))
 261 #define AGGR_INCR_IDX(x, y)         AGGR_WIN_IDX(((x) + 1), (y))
 262 #define AGGR_DCRM_IDX(x, y)         AGGR_WIN_IDX(((x) - 1), (y))
 263 #define ATH6KL_MAX_SEQ_NO               0xFFF
 264 #define ATH6KL_NEXT_SEQ_NO(x)           (((x) + 1) & ATH6KL_MAX_SEQ_NO)
 265
 266 #define NUM_OF_TIDS         8
 267 #define AGGR_SZ_DEFAULT     8
 268
 269 #define AGGR_WIN_SZ_MIN     2
 270 #define AGGR_WIN_SZ_MAX     8
 271
 272 #define TID_WINDOW_SZ(_x)   ((_x) << 1)
 273
 274 #define AGGR_NUM_OF_FREE_NETBUFS    16
 275
 276 #define AGGR_RX_TIMEOUT     100 /* in ms */
 277
 278 #define WMI_TIMEOUT (2 * HZ)
 279
 280 #define MBOX_YIELD_LIMIT 99
 281
 282 #define ATH6KL_DEFAULT_LISTEN_INTVAL    100 /* in TUs */
 283 #define ATH6KL_DEFAULT_BMISS_TIME       1500
 284 #define ATH6KL_MAX_WOW_LISTEN_INTL      300 /* in TUs */
 285 #define ATH6KL_MAX_BMISS_TIME           5000
 286
 287 /* configuration lags */
 288 /*
 289  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
 290  * ERP IE of beacon to determine the short premable support when
 291  * sending (Re)Assoc req.
 292  * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
 293  * module state transition failure events which happen during
 294  * scan, to the host.
 295  */
 296 #define ATH6KL_CONF_IGNORE_ERP_BARKER           BIT(0)
 297 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN  BIT(1)
 298 #define ATH6KL_CONF_ENABLE_11N                  BIT(2)
 299 #define ATH6KL_CONF_ENABLE_TX_BURST             BIT(3)
 300 #define ATH6KL_CONF_UART_DEBUG                  BIT(4)
 301
 302 #define P2P_WILDCARD_SSID_LEN                   7 /* DIRECT- */
 303
 304 enum wlan_low_pwr_state {
 305         WLAN_POWER_STATE_ON,
 306         WLAN_POWER_STATE_CUT_PWR,
 307         WLAN_POWER_STATE_DEEP_SLEEP,
 308         WLAN_POWER_STATE_WOW
 309 };
 310
 311 enum sme_state {
 312         SME_DISCONNECTED,
 313         SME_CONNECTING,
 314         SME_CONNECTED
 315 };
 316
 317 struct skb_hold_q {
 318         struct sk_buff *skb;
 319         bool is_amsdu;
 320         u16 seq_no;
 321 };
 322
 323 struct rxtid {
 324         bool aggr;
 325         bool timer_mon;
 326         u16 win_sz;
 327         u16 seq_next;
 328         u32 hold_q_sz;
 329         struct skb_hold_q *hold_q;
 330         struct sk_buff_head q;
 331
 332         /*
 333          * lock mainly protects seq_next and hold_q. Movement of seq_next
 334          * needs to be protected between aggr_timeout() and
 335          * aggr_process_recv_frm(). hold_q will be holding the pending
 336          * reorder frames and it's access should also be protected.
 337          * Some of the other fields like hold_q_sz, win_sz and aggr are
 338          * initialized/reset when receiving addba/delba req, also while
 339          * deleting aggr state all the pending buffers are flushed before
 340          * resetting these fields, so there should not be any race in accessing
 341          * these fields.
 342          */
 343         spinlock_t lock;
 344 };
 345
 346 struct rxtid_stats {
 347         u32 num_into_aggr;
 348         u32 num_dups;
 349         u32 num_oow;
 350         u32 num_mpdu;
 351         u32 num_amsdu;
 352         u32 num_delivered;
 353         u32 num_timeouts;
 354         u32 num_hole;
 355         u32 num_bar;
 356 };
 357
 358 struct aggr_info_conn {
 359         u8 aggr_sz;
 360         u8 timer_scheduled;
 361         struct timer_list timer;
 362         struct net_device *dev;
 363         struct rxtid rx_tid[NUM_OF_TIDS];
 364         struct rxtid_stats stat[NUM_OF_TIDS];
 365         struct aggr_info *aggr_info;
 366 };
 367
 368 struct aggr_info {
 369         struct aggr_info_conn *aggr_conn;
 370         struct sk_buff_head rx_amsdu_freeq;
 371 };
 372
 373 struct ath6kl_wep_key {
 374         u8 key_index;
 375         u8 key_len;
 376         u8 key[64];
 377 };
 378
 379 #define ATH6KL_KEY_SEQ_LEN 8
 380
 381 struct ath6kl_key {
 382         u8 key[WLAN_MAX_KEY_LEN];
 383         u8 key_len;
 384         u8 seq[ATH6KL_KEY_SEQ_LEN];
 385         u8 seq_len;
 386         u32 cipher;
 387 };
 388
 389 struct ath6kl_node_mapping {
 390         u8 mac_addr[ETH_ALEN];
 391         u8 ep_id;
 392         u8 tx_pend;
 393 };
 394
 395 struct ath6kl_cookie {
 396         struct sk_buff *skb;
 397         u32 map_no;
 398         struct htc_packet htc_pkt;
 399         struct ath6kl_cookie *arc_list_next;
 400 };
 401
 402 struct ath6kl_mgmt_buff {
 403         struct list_head list;
 404         u32 freq;
 405         u32 wait;
 406         u32 id;
 407         bool no_cck;
 408         size_t len;
 409         u8 buf[0];
 410 };
 411
 412 struct ath6kl_sta {
 413         u16 sta_flags;
 414         u8 mac[ETH_ALEN];
 415         u8 aid;
 416         u8 keymgmt;
 417         u8 ucipher;
 418         u8 auth;
 419         u8 wpa_ie[ATH6KL_MAX_IE];
 420         struct sk_buff_head psq;
 421
 422         /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
 423         spinlock_t psq_lock;
 424
 425         struct list_head mgmt_psq;
 426         size_t mgmt_psq_len;
 427         u8 apsd_info;
 428         struct sk_buff_head apsdq;
 429         struct aggr_info_conn *aggr_conn;
 430 };
 431
 432 struct ath6kl_version {
 433         u32 target_ver;
 434         u32 wlan_ver;
 435         u32 abi_ver;
 436 };
 437
 438 struct ath6kl_bmi {
 439         u32 cmd_credits;
 440         bool done_sent;
 441         u8 *cmd_buf;
 442         u32 max_data_size;
 443         u32 max_cmd_size;
 444 };
 445
 446 struct target_stats {
 447         u64 tx_pkt;
 448         u64 tx_byte;
 449         u64 tx_ucast_pkt;
 450         u64 tx_ucast_byte;
 451         u64 tx_mcast_pkt;
 452         u64 tx_mcast_byte;
 453         u64 tx_bcast_pkt;
 454         u64 tx_bcast_byte;
 455         u64 tx_rts_success_cnt;
 456         u64 tx_pkt_per_ac[4];
 457
 458         u64 tx_err;
 459         u64 tx_fail_cnt;
 460         u64 tx_retry_cnt;
 461         u64 tx_mult_retry_cnt;
 462         u64 tx_rts_fail_cnt;
 463
 464         u64 rx_pkt;
 465         u64 rx_byte;
 466         u64 rx_ucast_pkt;
 467         u64 rx_ucast_byte;
 468         u64 rx_mcast_pkt;
 469         u64 rx_mcast_byte;
 470         u64 rx_bcast_pkt;
 471         u64 rx_bcast_byte;
 472         u64 rx_frgment_pkt;
 473
 474         u64 rx_err;
 475         u64 rx_crc_err;
 476         u64 rx_key_cache_miss;
 477         u64 rx_decrypt_err;
 478         u64 rx_dupl_frame;
 479
 480         u64 tkip_local_mic_fail;
 481         u64 tkip_cnter_measures_invoked;
 482         u64 tkip_replays;
 483         u64 tkip_fmt_err;
 484         u64 ccmp_fmt_err;
 485         u64 ccmp_replays;
 486
 487         u64 pwr_save_fail_cnt;
 488
 489         u64 cs_bmiss_cnt;
 490         u64 cs_low_rssi_cnt;
 491         u64 cs_connect_cnt;
 492         u64 cs_discon_cnt;
 493
 494         s32 tx_ucast_rate;
 495         s32 rx_ucast_rate;
 496
 497         u32 lq_val;
 498
 499         u32 wow_pkt_dropped;
 500         u16 wow_evt_discarded;
 501
 502         s16 noise_floor_calib;
 503         s16 cs_rssi;
 504         s16 cs_ave_beacon_rssi;
 505         u8 cs_ave_beacon_snr;
 506         u8 cs_last_roam_msec;
 507         u8 cs_snr;
 508
 509         u8 wow_host_pkt_wakeups;
 510         u8 wow_host_evt_wakeups;
 511
 512         u32 arp_received;
 513         u32 arp_matched;
 514         u32 arp_replied;
 515 };
 516
 517 struct ath6kl_mbox_info {
 518         u32 htc_addr;
 519         u32 htc_ext_addr;
 520         u32 htc_ext_sz;
 521
 522         u32 block_size;
 523
 524         u32 gmbox_addr;
 525
 526         u32 gmbox_sz;
 527 };
 528
 529 /*
 530  * 802.11i defines an extended IV for use with non-WEP ciphers.
 531  * When the EXTIV bit is set in the key id byte an additional
 532  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
 533  * EXTIV bit is likewise set but the 8 bytes represent the
 534  * CCMP header rather than IV+extended-IV.
 535  */
 536
 537 #define ATH6KL_KEYBUF_SIZE 16
 538 #define ATH6KL_MICBUF_SIZE (8+8)        /* space for both tx and rx */
 539
 540 #define ATH6KL_KEY_XMIT  0x01
 541 #define ATH6KL_KEY_RECV  0x02
 542 #define ATH6KL_KEY_DEFAULT   0x80       /* default xmit key */
 543
 544 /* Initial group key for AP mode */
 545 struct ath6kl_req_key {
 546         bool valid;
 547         u8 key_index;
 548         int key_type;
 549         u8 key[WLAN_MAX_KEY_LEN];
 550         u8 key_len;
 551 };
 552
 553 enum ath6kl_hif_type {
 554         ATH6KL_HIF_TYPE_SDIO,
 555         ATH6KL_HIF_TYPE_USB,
 556 };
 557
 558 enum ath6kl_htc_type {
 559         ATH6KL_HTC_TYPE_MBOX,
 560         ATH6KL_HTC_TYPE_PIPE,
 561 };
 562
 563 /* Max number of filters that hw supports */
 564 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
 565 struct ath6kl_mc_filter {
 566         struct list_head list;
 567         char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
 568 };
 569
 570 struct ath6kl_htcap {
 571         bool ht_enable;
 572         u8 ampdu_factor;
 573         unsigned short cap_info;
 574 };
 575
 576 /*
 577  * Driver's maximum limit, note that some firmwares support only one vif
 578  * and the runtime (current) limit must be checked from ar->vif_max.
 579  */
 580 #define ATH6KL_VIF_MAX  3
 581
 582 /* vif flags info */
 583 enum ath6kl_vif_state {
 584         CONNECTED,
 585         CONNECT_PEND,
 586         WMM_ENABLED,
 587         NETQ_STOPPED,
 588         DTIM_EXPIRED,
 589         CLEAR_BSSFILTER_ON_BEACON,
 590         DTIM_PERIOD_AVAIL,
 591         WLAN_ENABLED,
 592         STATS_UPDATE_PEND,
 593         HOST_SLEEP_MODE_CMD_PROCESSED,
 594         NETDEV_MCAST_ALL_ON,
 595         NETDEV_MCAST_ALL_OFF,
 596         SCHED_SCANNING,
 597 };
 598
 599 struct ath6kl_vif {
 600         struct list_head list;
 601         struct wireless_dev wdev;
 602         struct net_device *ndev;
 603         struct ath6kl *ar;
 604         /* Lock to protect vif specific net_stats and flags */
 605         spinlock_t if_lock;
 606         u8 fw_vif_idx;
 607         unsigned long flags;
 608         int ssid_len;
 609         u8 ssid[IEEE80211_MAX_SSID_LEN];
 610         u8 dot11_auth_mode;
 611         u8 auth_mode;
 612         u8 prwise_crypto;
 613         u8 prwise_crypto_len;
 614         u8 grp_crypto;
 615         u8 grp_crypto_len;
 616         u8 def_txkey_index;
 617         u8 next_mode;
 618         u8 nw_type;
 619         u8 bssid[ETH_ALEN];
 620         u8 req_bssid[ETH_ALEN];
 621         u16 ch_hint;
 622         u16 bss_ch;
 623         struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
 624         struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
 625         struct aggr_info *aggr_cntxt;
 626         struct ath6kl_htcap htcap[NUM_NL80211_BANDS];
 627
 628         struct timer_list disconnect_timer;
 629         struct timer_list sched_scan_timer;
 630
 631         struct cfg80211_scan_request *scan_req;
 632         enum sme_state sme_state;
 633         int reconnect_flag;
 634         u32 last_roc_id;
 635         u32 last_cancel_roc_id;
 636         u32 send_action_id;
 637         bool probe_req_report;
 638         u16 assoc_bss_beacon_int;
 639         u16 listen_intvl_t;
 640         u16 bmiss_time_t;
 641         u32 txe_intvl;
 642         u16 bg_scan_period;
 643         u8 assoc_bss_dtim_period;
 644         struct net_device_stats net_stats;
 645         struct target_stats target_stats;
 646         struct wmi_connect_cmd profile;
 647         u16 rsn_capab;
 648
 649         struct list_head mc_filter;
 650 };
 651
 652 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
 653 {
 654         return container_of(wdev, struct ath6kl_vif, wdev);
 655 }
 656
 657 #define WOW_LIST_ID             0
 658 #define WOW_HOST_REQ_DELAY      500 /* ms */
 659
 660 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
 661
 662 /* Flag info */
 663 enum ath6kl_dev_state {
 664         WMI_ENABLED,
 665         WMI_READY,
 666         WMI_CTRL_EP_FULL,
 667         TESTMODE,
 668         DESTROY_IN_PROGRESS,
 669         SKIP_SCAN,
 670         ROAM_TBL_PEND,
 671         FIRST_BOOT,
 672         RECOVERY_CLEANUP,
 673 };
 674
 675 enum ath6kl_state {
 676         ATH6KL_STATE_OFF,
 677         ATH6KL_STATE_ON,
 678         ATH6KL_STATE_SUSPENDING,
 679         ATH6KL_STATE_RESUMING,
 680         ATH6KL_STATE_DEEPSLEEP,
 681         ATH6KL_STATE_CUTPOWER,
 682         ATH6KL_STATE_WOW,
 683         ATH6KL_STATE_RECOVERY,
 684 };
 685
 686 /* Fw error recovery */
 687 #define ATH6KL_HB_RESP_MISS_THRES       5
 688
 689 enum ath6kl_fw_err {
 690         ATH6KL_FW_ASSERT,
 691         ATH6KL_FW_HB_RESP_FAILURE,
 692         ATH6KL_FW_EP_FULL,
 693 };
 694
 695 struct ath6kl {
 696         struct device *dev;
 697         struct wiphy *wiphy;
 698
 699         enum ath6kl_state state;
 700         unsigned int testmode;
 701
 702         struct ath6kl_bmi bmi;
 703         const struct ath6kl_hif_ops *hif_ops;
 704         const struct ath6kl_htc_ops *htc_ops;
 705         struct wmi *wmi;
 706         int tx_pending[ENDPOINT_MAX];
 707         int total_tx_data_pend;
 708         struct htc_target *htc_target;
 709         enum ath6kl_hif_type hif_type;
 710         void *hif_priv;
 711         struct list_head vif_list;
 712         /* Lock to avoid race in vif_list entries among add/del/traverse */
 713         spinlock_t list_lock;
 714         u8 num_vif;
 715         unsigned int vif_max;
 716         u8 max_norm_iface;
 717         u8 avail_idx_map;
 718
 719         /*
 720          * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
 721          * calls, tx_pending and total_tx_data_pend.
 722          */
 723         spinlock_t lock;
 724
 725         struct semaphore sem;
 726         u8 lrssi_roam_threshold;
 727         struct ath6kl_version version;
 728         u32 target_type;
 729         u8 tx_pwr;
 730         struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
 731         u8 ibss_ps_enable;
 732         bool ibss_if_active;
 733         u8 node_num;
 734         u8 next_ep_id;
 735         struct ath6kl_cookie *cookie_list;
 736         u32 cookie_count;
 737         enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
 738         bool ac_stream_active[WMM_NUM_AC];
 739         u8 ac_stream_pri_map[WMM_NUM_AC];
 740         u8 hiac_stream_active_pri;
 741         u8 ep2ac_map[ENDPOINT_MAX];
 742         enum htc_endpoint_id ctrl_ep;
 743         struct ath6kl_htc_credit_info credit_state_info;
 744         u32 connect_ctrl_flags;
 745         u32 user_key_ctrl;
 746         u8 usr_bss_filter;
 747         struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
 748         u8 sta_list_index;
 749         struct ath6kl_req_key ap_mode_bkey;
 750         struct sk_buff_head mcastpsq;
 751         u32 want_ch_switch;
 752         u16 last_ch;
 753
 754         /*
 755          * FIXME: protects access to mcastpsq but is actually useless as
 756          * all skbe_queue_*() functions provide serialisation themselves
 757          */
 758         spinlock_t mcastpsq_lock;
 759
 760         u8 intra_bss;
 761         struct wmi_ap_mode_stat ap_stats;
 762         u8 ap_country_code[3];
 763         struct list_head amsdu_rx_buffer_queue;
 764         u8 rx_meta_ver;
 765         enum wlan_low_pwr_state wlan_pwr_state;
 766         u8 mac_addr[ETH_ALEN];
 767 #define AR_MCAST_FILTER_MAC_ADDR_SIZE  4
 768         struct {
 769                 void *rx_report;
 770                 size_t rx_report_len;
 771         } tm;
 772
 773         struct ath6kl_hw {
 774                 u32 id;
 775                 const char *name;
 776                 u32 dataset_patch_addr;
 777                 u32 app_load_addr;
 778                 u32 app_start_override_addr;
 779                 u32 board_ext_data_addr;
 780                 u32 reserved_ram_size;
 781                 u32 board_addr;
 782                 u32 refclk_hz;
 783                 u32 uarttx_pin;
 784                 u32 testscript_addr;
 785                 u8 tx_ant;
 786                 u8 rx_ant;
 787                 enum wmi_phy_cap cap;
 788
 789                 u32 flags;
 790
 791                 struct ath6kl_hw_fw {
 792                         const char *dir;
 793                         const char *otp;
 794                         const char *fw;
 795                         const char *tcmd;
 796                         const char *patch;
 797                         const char *utf;
 798                         const char *testscript;
 799                 } fw;
 800
 801                 const char *fw_board;
 802                 const char *fw_default_board;
 803         } hw;
 804
 805         u16 conf_flags;
 806         u16 suspend_mode;
 807         u16 wow_suspend_mode;
 808         wait_queue_head_t event_wq;
 809         struct ath6kl_mbox_info mbox_info;
 810
 811         struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
 812         unsigned long flag;
 813
 814         u8 *fw_board;
 815         size_t fw_board_len;
 816
 817         u8 *fw_otp;
 818         size_t fw_otp_len;
 819
 820         u8 *fw;
 821         size_t fw_len;
 822
 823         u8 *fw_patch;
 824         size_t fw_patch_len;
 825
 826         u8 *fw_testscript;
 827         size_t fw_testscript_len;
 828
 829         unsigned int fw_api;
 830         unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
 831
 832         struct workqueue_struct *ath6kl_wq;
 833
 834         struct dentry *debugfs_phy;
 835
 836         bool p2p;
 837
 838         bool wiphy_registered;
 839
 840         struct ath6kl_fw_recovery {
 841                 struct work_struct recovery_work;
 842                 unsigned long err_reason;
 843                 unsigned long hb_poll;
 844                 struct timer_list hb_timer;
 845                 u32 seq_num;
 846                 bool hb_pending;
 847                 u8 hb_misscnt;
 848                 bool enable;
 849         } fw_recovery;
 850
 851 #ifdef CONFIG_ATH6KL_DEBUG
 852         struct {
 853                 struct sk_buff_head fwlog_queue;
 854                 struct completion fwlog_completion;
 855                 bool fwlog_open;
 856
 857                 u32 fwlog_mask;
 858
 859                 unsigned int dbgfs_diag_reg;
 860                 u32 diag_reg_addr_wr;
 861                 u32 diag_reg_val_wr;
 862
 863                 struct {
 864                         unsigned int invalid_rate;
 865                 } war_stats;
 866
 867                 u8 *roam_tbl;
 868                 unsigned int roam_tbl_len;
 869
 870                 u8 keepalive;
 871                 u8 disc_timeout;
 872         } debug;
 873 #endif /* CONFIG_ATH6KL_DEBUG */
 874 };
 875
 876 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
 877 {
 878         return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
 879 }
 880
 881 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
 882                                           u32 item_offset)
 883 {
 884         u32 addr = 0;
 885
 886         if (ar->target_type == TARGET_TYPE_AR6003)
 887                 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
 888         else if (ar->target_type == TARGET_TYPE_AR6004)
 889                 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
 890
 891         return addr;
 892 }
 893
 894 int ath6kl_configure_target(struct ath6kl *ar);
 895 void ath6kl_detect_error(unsigned long ptr);
 896 void disconnect_timer_handler(unsigned long ptr);
 897 void init_netdev(struct net_device *dev);
 898 void ath6kl_cookie_init(struct ath6kl *ar);
 899 void ath6kl_cookie_cleanup(struct ath6kl *ar);
 900 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
 901 void ath6kl_tx_complete(struct htc_target *context,
 902                         struct list_head *packet_queue);
 903 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
 904                                                struct htc_packet *packet);
 905 void ath6kl_stop_txrx(struct ath6kl *ar);
 906 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
 907 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
 908 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
 909 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
 910 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
 911 int ath6kl_read_fwlogs(struct ath6kl *ar);
 912 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
 913 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
 914
 915 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
 916 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
 917 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
 918
 919 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
 920 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
 921                     struct aggr_info_conn *aggr_conn);
 922 void ath6kl_rx_refill(struct htc_target *target,
 923                       enum htc_endpoint_id endpoint);
 924 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
 925 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
 926                                             enum htc_endpoint_id endpoint,
 927                                             int len);
 928 void aggr_module_destroy(struct aggr_info *aggr_info);
 929 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
 930
 931 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
 932 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
 933
 934 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
 935                         enum wmi_phy_cap cap);
 936 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
 937                       enum htc_endpoint_id eid);
 938 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
 939                           u8 *bssid, u16 listen_int,
 940                           u16 beacon_int, enum network_type net_type,
 941                           u8 beacon_ie_len, u8 assoc_req_len,
 942                           u8 assoc_resp_len, u8 *assoc_info);
 943 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
 944 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
 945                                 u8 keymgmt, u8 ucipher, u8 auth,
 946                                 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
 947 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
 948                              u8 *bssid, u8 assoc_resp_len,
 949                              u8 *assoc_info, u16 prot_reason_status);
 950 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
 951 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
 952 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
 953 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
 954 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
 955 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
 956
 957 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
 958
 959 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
 960 void ath6kl_disconnect(struct ath6kl_vif *vif);
 961 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
 962 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
 963                              u8 win_sz);
 964 void ath6kl_wakeup_event(void *dev);
 965
 966 void ath6kl_init_control_info(struct ath6kl_vif *vif);
 967 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
 968 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);
 969 int ath6kl_init_hw_start(struct ath6kl *ar);
 970 int ath6kl_init_hw_stop(struct ath6kl *ar);
 971 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
 972 int ath6kl_init_hw_params(struct ath6kl *ar);
 973
 974 void ath6kl_check_wow_status(struct ath6kl *ar);
 975
 976 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
 977 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
 978
 979 struct ath6kl *ath6kl_core_create(struct device *dev);
 980 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
 981 void ath6kl_core_cleanup(struct ath6kl *ar);
 982 void ath6kl_core_destroy(struct ath6kl *ar);
 983
 984 /* Fw error recovery */
 985 void ath6kl_init_hw_restart(struct ath6kl *ar);
 986 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
 987 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
 988 void ath6kl_recovery_init(struct ath6kl *ar);
 989 void ath6kl_recovery_cleanup(struct ath6kl *ar);
 990 void ath6kl_recovery_suspend(struct ath6kl *ar);
 991 void ath6kl_recovery_resume(struct ath6kl *ar);
 992 #endif /* CORE_H */