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 /* this needs to be last */ 152 ATH6KL_FW_CAPABILITY_MAX, 153 }; 154 155 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32) 156 157 struct ath6kl_fw_ie { 158 __le32 id; 159 __le32 len; 160 u8 data[0]; 161 }; 162 163 enum ath6kl_hw_flags { 164 ATH6KL_HW_SDIO_CRC_ERROR_WAR = BIT(3), 165 }; 166 167 #define ATH6KL_FW_API2_FILE "fw-2.bin" 168 #define ATH6KL_FW_API3_FILE "fw-3.bin" 169 #define ATH6KL_FW_API4_FILE "fw-4.bin" 170 171 /* AR6003 1.0 definitions */ 172 #define AR6003_HW_1_0_VERSION 0x300002ba 173 174 /* AR6003 2.0 definitions */ 175 #define AR6003_HW_2_0_VERSION 0x30000384 176 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS 0x57e910 177 #define AR6003_HW_2_0_FW_DIR "ath6k/AR6003/hw2.0" 178 #define AR6003_HW_2_0_OTP_FILE "otp.bin.z77" 179 #define AR6003_HW_2_0_FIRMWARE_FILE "athwlan.bin.z77" 180 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "athtcmd_ram.bin" 181 #define AR6003_HW_2_0_PATCH_FILE "data.patch.bin" 182 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin" 183 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \ 184 AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin" 185 186 /* AR6003 3.0 definitions */ 187 #define AR6003_HW_2_1_1_VERSION 0x30000582 188 #define AR6003_HW_2_1_1_FW_DIR "ath6k/AR6003/hw2.1.1" 189 #define AR6003_HW_2_1_1_OTP_FILE "otp.bin" 190 #define AR6003_HW_2_1_1_FIRMWARE_FILE "athwlan.bin" 191 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE "athtcmd_ram.bin" 192 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE "utf.bin" 193 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin" 194 #define AR6003_HW_2_1_1_PATCH_FILE "data.patch.bin" 195 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin" 196 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \ 197 AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin" 198 199 /* AR6004 1.0 definitions */ 200 #define AR6004_HW_1_0_VERSION 0x30000623 201 #define AR6004_HW_1_0_FW_DIR "ath6k/AR6004/hw1.0" 202 #define AR6004_HW_1_0_FIRMWARE_FILE "fw.ram.bin" 203 #define AR6004_HW_1_0_BOARD_DATA_FILE AR6004_HW_1_0_FW_DIR "/bdata.bin" 204 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \ 205 AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin" 206 207 /* AR6004 1.1 definitions */ 208 #define AR6004_HW_1_1_VERSION 0x30000001 209 #define AR6004_HW_1_1_FW_DIR "ath6k/AR6004/hw1.1" 210 #define AR6004_HW_1_1_FIRMWARE_FILE "fw.ram.bin" 211 #define AR6004_HW_1_1_BOARD_DATA_FILE AR6004_HW_1_1_FW_DIR "/bdata.bin" 212 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \ 213 AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin" 214 215 /* AR6004 1.2 definitions */ 216 #define AR6004_HW_1_2_VERSION 0x300007e8 217 #define AR6004_HW_1_2_FW_DIR "ath6k/AR6004/hw1.2" 218 #define AR6004_HW_1_2_FIRMWARE_FILE "fw.ram.bin" 219 #define AR6004_HW_1_2_BOARD_DATA_FILE AR6004_HW_1_2_FW_DIR "/bdata.bin" 220 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \ 221 AR6004_HW_1_2_FW_DIR "/bdata.bin" 222 223 /* AR6004 1.3 definitions */ 224 #define AR6004_HW_1_3_VERSION 0x31c8088a 225 #define AR6004_HW_1_3_FW_DIR "ath6k/AR6004/hw1.3" 226 #define AR6004_HW_1_3_FIRMWARE_FILE "fw.ram.bin" 227 #define AR6004_HW_1_3_BOARD_DATA_FILE "ath6k/AR6004/hw1.3/bdata.bin" 228 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE "ath6k/AR6004/hw1.3/bdata.bin" 229 230 /* Per STA data, used in AP mode */ 231 #define STA_PS_AWAKE BIT(0) 232 #define STA_PS_SLEEP BIT(1) 233 #define STA_PS_POLLED BIT(2) 234 #define STA_PS_APSD_TRIGGER BIT(3) 235 #define STA_PS_APSD_EOSP BIT(4) 236 237 /* HTC TX packet tagging definitions */ 238 #define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED 239 #define ATH6KL_DATA_PKT_TAG (ATH6KL_CONTROL_PKT_TAG + 1) 240 241 #define AR6003_CUST_DATA_SIZE 16 242 243 #define AGGR_WIN_IDX(x, y) ((x) % (y)) 244 #define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x) + 1), (y)) 245 #define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x) - 1), (y)) 246 #define ATH6KL_MAX_SEQ_NO 0xFFF 247 #define ATH6KL_NEXT_SEQ_NO(x) (((x) + 1) & ATH6KL_MAX_SEQ_NO) 248 249 #define NUM_OF_TIDS 8 250 #define AGGR_SZ_DEFAULT 8 251 252 #define AGGR_WIN_SZ_MIN 2 253 #define AGGR_WIN_SZ_MAX 8 254 255 #define TID_WINDOW_SZ(_x) ((_x) << 1) 256 257 #define AGGR_NUM_OF_FREE_NETBUFS 16 258 259 #define AGGR_RX_TIMEOUT 100 /* in ms */ 260 261 #define WMI_TIMEOUT (2 * HZ) 262 263 #define MBOX_YIELD_LIMIT 99 264 265 #define ATH6KL_DEFAULT_LISTEN_INTVAL 100 /* in TUs */ 266 #define ATH6KL_DEFAULT_BMISS_TIME 1500 267 #define ATH6KL_MAX_WOW_LISTEN_INTL 300 /* in TUs */ 268 #define ATH6KL_MAX_BMISS_TIME 5000 269 270 /* configuration lags */ 271 /* 272 * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in 273 * ERP IE of beacon to determine the short premable support when 274 * sending (Re)Assoc req. 275 * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power 276 * module state transition failure events which happen during 277 * scan, to the host. 278 */ 279 #define ATH6KL_CONF_IGNORE_ERP_BARKER BIT(0) 280 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN BIT(1) 281 #define ATH6KL_CONF_ENABLE_11N BIT(2) 282 #define ATH6KL_CONF_ENABLE_TX_BURST BIT(3) 283 #define ATH6KL_CONF_UART_DEBUG BIT(4) 284 285 #define P2P_WILDCARD_SSID_LEN 7 /* DIRECT- */ 286 287 enum wlan_low_pwr_state { 288 WLAN_POWER_STATE_ON, 289 WLAN_POWER_STATE_CUT_PWR, 290 WLAN_POWER_STATE_DEEP_SLEEP, 291 WLAN_POWER_STATE_WOW 292 }; 293 294 enum sme_state { 295 SME_DISCONNECTED, 296 SME_CONNECTING, 297 SME_CONNECTED 298 }; 299 300 struct skb_hold_q { 301 struct sk_buff *skb; 302 bool is_amsdu; 303 u16 seq_no; 304 }; 305 306 struct rxtid { 307 bool aggr; 308 bool timer_mon; 309 u16 win_sz; 310 u16 seq_next; 311 u32 hold_q_sz; 312 struct skb_hold_q *hold_q; 313 struct sk_buff_head q; 314 315 /* 316 * lock mainly protects seq_next and hold_q. Movement of seq_next 317 * needs to be protected between aggr_timeout() and 318 * aggr_process_recv_frm(). hold_q will be holding the pending 319 * reorder frames and it's access should also be protected. 320 * Some of the other fields like hold_q_sz, win_sz and aggr are 321 * initialized/reset when receiving addba/delba req, also while 322 * deleting aggr state all the pending buffers are flushed before 323 * resetting these fields, so there should not be any race in accessing 324 * these fields. 325 */ 326 spinlock_t lock; 327 }; 328 329 struct rxtid_stats { 330 u32 num_into_aggr; 331 u32 num_dups; 332 u32 num_oow; 333 u32 num_mpdu; 334 u32 num_amsdu; 335 u32 num_delivered; 336 u32 num_timeouts; 337 u32 num_hole; 338 u32 num_bar; 339 }; 340 341 struct aggr_info_conn { 342 u8 aggr_sz; 343 u8 timer_scheduled; 344 struct timer_list timer; 345 struct net_device *dev; 346 struct rxtid rx_tid[NUM_OF_TIDS]; 347 struct rxtid_stats stat[NUM_OF_TIDS]; 348 struct aggr_info *aggr_info; 349 }; 350 351 struct aggr_info { 352 struct aggr_info_conn *aggr_conn; 353 struct sk_buff_head rx_amsdu_freeq; 354 }; 355 356 struct ath6kl_wep_key { 357 u8 key_index; 358 u8 key_len; 359 u8 key[64]; 360 }; 361 362 #define ATH6KL_KEY_SEQ_LEN 8 363 364 struct ath6kl_key { 365 u8 key[WLAN_MAX_KEY_LEN]; 366 u8 key_len; 367 u8 seq[ATH6KL_KEY_SEQ_LEN]; 368 u8 seq_len; 369 u32 cipher; 370 }; 371 372 struct ath6kl_node_mapping { 373 u8 mac_addr[ETH_ALEN]; 374 u8 ep_id; 375 u8 tx_pend; 376 }; 377 378 struct ath6kl_cookie { 379 struct sk_buff *skb; 380 u32 map_no; 381 struct htc_packet htc_pkt; 382 struct ath6kl_cookie *arc_list_next; 383 }; 384 385 struct ath6kl_mgmt_buff { 386 struct list_head list; 387 u32 freq; 388 u32 wait; 389 u32 id; 390 bool no_cck; 391 size_t len; 392 u8 buf[0]; 393 }; 394 395 struct ath6kl_sta { 396 u16 sta_flags; 397 u8 mac[ETH_ALEN]; 398 u8 aid; 399 u8 keymgmt; 400 u8 ucipher; 401 u8 auth; 402 u8 wpa_ie[ATH6KL_MAX_IE]; 403 struct sk_buff_head psq; 404 405 /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */ 406 spinlock_t psq_lock; 407 408 struct list_head mgmt_psq; 409 size_t mgmt_psq_len; 410 u8 apsd_info; 411 struct sk_buff_head apsdq; 412 struct aggr_info_conn *aggr_conn; 413 }; 414 415 struct ath6kl_version { 416 u32 target_ver; 417 u32 wlan_ver; 418 u32 abi_ver; 419 }; 420 421 struct ath6kl_bmi { 422 u32 cmd_credits; 423 bool done_sent; 424 u8 *cmd_buf; 425 u32 max_data_size; 426 u32 max_cmd_size; 427 }; 428 429 struct target_stats { 430 u64 tx_pkt; 431 u64 tx_byte; 432 u64 tx_ucast_pkt; 433 u64 tx_ucast_byte; 434 u64 tx_mcast_pkt; 435 u64 tx_mcast_byte; 436 u64 tx_bcast_pkt; 437 u64 tx_bcast_byte; 438 u64 tx_rts_success_cnt; 439 u64 tx_pkt_per_ac[4]; 440 441 u64 tx_err; 442 u64 tx_fail_cnt; 443 u64 tx_retry_cnt; 444 u64 tx_mult_retry_cnt; 445 u64 tx_rts_fail_cnt; 446 447 u64 rx_pkt; 448 u64 rx_byte; 449 u64 rx_ucast_pkt; 450 u64 rx_ucast_byte; 451 u64 rx_mcast_pkt; 452 u64 rx_mcast_byte; 453 u64 rx_bcast_pkt; 454 u64 rx_bcast_byte; 455 u64 rx_frgment_pkt; 456 457 u64 rx_err; 458 u64 rx_crc_err; 459 u64 rx_key_cache_miss; 460 u64 rx_decrypt_err; 461 u64 rx_dupl_frame; 462 463 u64 tkip_local_mic_fail; 464 u64 tkip_cnter_measures_invoked; 465 u64 tkip_replays; 466 u64 tkip_fmt_err; 467 u64 ccmp_fmt_err; 468 u64 ccmp_replays; 469 470 u64 pwr_save_fail_cnt; 471 472 u64 cs_bmiss_cnt; 473 u64 cs_low_rssi_cnt; 474 u64 cs_connect_cnt; 475 u64 cs_discon_cnt; 476 477 s32 tx_ucast_rate; 478 s32 rx_ucast_rate; 479 480 u32 lq_val; 481 482 u32 wow_pkt_dropped; 483 u16 wow_evt_discarded; 484 485 s16 noise_floor_calib; 486 s16 cs_rssi; 487 s16 cs_ave_beacon_rssi; 488 u8 cs_ave_beacon_snr; 489 u8 cs_last_roam_msec; 490 u8 cs_snr; 491 492 u8 wow_host_pkt_wakeups; 493 u8 wow_host_evt_wakeups; 494 495 u32 arp_received; 496 u32 arp_matched; 497 u32 arp_replied; 498 }; 499 500 struct ath6kl_mbox_info { 501 u32 htc_addr; 502 u32 htc_ext_addr; 503 u32 htc_ext_sz; 504 505 u32 block_size; 506 507 u32 gmbox_addr; 508 509 u32 gmbox_sz; 510 }; 511 512 /* 513 * 802.11i defines an extended IV for use with non-WEP ciphers. 514 * When the EXTIV bit is set in the key id byte an additional 515 * 4 bytes immediately follow the IV for TKIP. For CCMP the 516 * EXTIV bit is likewise set but the 8 bytes represent the 517 * CCMP header rather than IV+extended-IV. 518 */ 519 520 #define ATH6KL_KEYBUF_SIZE 16 521 #define ATH6KL_MICBUF_SIZE (8+8) /* space for both tx and rx */ 522 523 #define ATH6KL_KEY_XMIT 0x01 524 #define ATH6KL_KEY_RECV 0x02 525 #define ATH6KL_KEY_DEFAULT 0x80 /* default xmit key */ 526 527 /* Initial group key for AP mode */ 528 struct ath6kl_req_key { 529 bool valid; 530 u8 key_index; 531 int key_type; 532 u8 key[WLAN_MAX_KEY_LEN]; 533 u8 key_len; 534 }; 535 536 enum ath6kl_hif_type { 537 ATH6KL_HIF_TYPE_SDIO, 538 ATH6KL_HIF_TYPE_USB, 539 }; 540 541 enum ath6kl_htc_type { 542 ATH6KL_HTC_TYPE_MBOX, 543 ATH6KL_HTC_TYPE_PIPE, 544 }; 545 546 /* Max number of filters that hw supports */ 547 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7 548 struct ath6kl_mc_filter { 549 struct list_head list; 550 char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE]; 551 }; 552 553 struct ath6kl_htcap { 554 bool ht_enable; 555 u8 ampdu_factor; 556 unsigned short cap_info; 557 }; 558 559 /* 560 * Driver's maximum limit, note that some firmwares support only one vif 561 * and the runtime (current) limit must be checked from ar->vif_max. 562 */ 563 #define ATH6KL_VIF_MAX 3 564 565 /* vif flags info */ 566 enum ath6kl_vif_state { 567 CONNECTED, 568 CONNECT_PEND, 569 WMM_ENABLED, 570 NETQ_STOPPED, 571 DTIM_EXPIRED, 572 CLEAR_BSSFILTER_ON_BEACON, 573 DTIM_PERIOD_AVAIL, 574 WLAN_ENABLED, 575 STATS_UPDATE_PEND, 576 HOST_SLEEP_MODE_CMD_PROCESSED, 577 NETDEV_MCAST_ALL_ON, 578 NETDEV_MCAST_ALL_OFF, 579 SCHED_SCANNING, 580 }; 581 582 struct ath6kl_vif { 583 struct list_head list; 584 struct wireless_dev wdev; 585 struct net_device *ndev; 586 struct ath6kl *ar; 587 /* Lock to protect vif specific net_stats and flags */ 588 spinlock_t if_lock; 589 u8 fw_vif_idx; 590 unsigned long flags; 591 int ssid_len; 592 u8 ssid[IEEE80211_MAX_SSID_LEN]; 593 u8 dot11_auth_mode; 594 u8 auth_mode; 595 u8 prwise_crypto; 596 u8 prwise_crypto_len; 597 u8 grp_crypto; 598 u8 grp_crypto_len; 599 u8 def_txkey_index; 600 u8 next_mode; 601 u8 nw_type; 602 u8 bssid[ETH_ALEN]; 603 u8 req_bssid[ETH_ALEN]; 604 u16 ch_hint; 605 u16 bss_ch; 606 struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1]; 607 struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1]; 608 struct aggr_info *aggr_cntxt; 609 struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS]; 610 611 struct timer_list disconnect_timer; 612 struct timer_list sched_scan_timer; 613 614 struct cfg80211_scan_request *scan_req; 615 enum sme_state sme_state; 616 int reconnect_flag; 617 u32 last_roc_id; 618 u32 last_cancel_roc_id; 619 u32 send_action_id; 620 bool probe_req_report; 621 u16 assoc_bss_beacon_int; 622 u16 listen_intvl_t; 623 u16 bmiss_time_t; 624 u32 txe_intvl; 625 u16 bg_scan_period; 626 u8 assoc_bss_dtim_period; 627 struct net_device_stats net_stats; 628 struct target_stats target_stats; 629 struct wmi_connect_cmd profile; 630 u16 rsn_capab; 631 632 struct list_head mc_filter; 633 }; 634 635 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev) 636 { 637 return container_of(wdev, struct ath6kl_vif, wdev); 638 } 639 640 #define WOW_LIST_ID 0 641 #define WOW_HOST_REQ_DELAY 500 /* ms */ 642 643 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */ 644 645 /* Flag info */ 646 enum ath6kl_dev_state { 647 WMI_ENABLED, 648 WMI_READY, 649 WMI_CTRL_EP_FULL, 650 TESTMODE, 651 DESTROY_IN_PROGRESS, 652 SKIP_SCAN, 653 ROAM_TBL_PEND, 654 FIRST_BOOT, 655 RECOVERY_CLEANUP, 656 }; 657 658 enum ath6kl_state { 659 ATH6KL_STATE_OFF, 660 ATH6KL_STATE_ON, 661 ATH6KL_STATE_SUSPENDING, 662 ATH6KL_STATE_RESUMING, 663 ATH6KL_STATE_DEEPSLEEP, 664 ATH6KL_STATE_CUTPOWER, 665 ATH6KL_STATE_WOW, 666 ATH6KL_STATE_RECOVERY, 667 }; 668 669 /* Fw error recovery */ 670 #define ATH6KL_HB_RESP_MISS_THRES 5 671 672 enum ath6kl_fw_err { 673 ATH6KL_FW_ASSERT, 674 ATH6KL_FW_HB_RESP_FAILURE, 675 ATH6KL_FW_EP_FULL, 676 }; 677 678 struct ath6kl { 679 struct device *dev; 680 struct wiphy *wiphy; 681 682 enum ath6kl_state state; 683 unsigned int testmode; 684 685 struct ath6kl_bmi bmi; 686 const struct ath6kl_hif_ops *hif_ops; 687 const struct ath6kl_htc_ops *htc_ops; 688 struct wmi *wmi; 689 int tx_pending[ENDPOINT_MAX]; 690 int total_tx_data_pend; 691 struct htc_target *htc_target; 692 enum ath6kl_hif_type hif_type; 693 void *hif_priv; 694 struct list_head vif_list; 695 /* Lock to avoid race in vif_list entries among add/del/traverse */ 696 spinlock_t list_lock; 697 u8 num_vif; 698 unsigned int vif_max; 699 u8 max_norm_iface; 700 u8 avail_idx_map; 701 702 /* 703 * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie() 704 * calls, tx_pending and total_tx_data_pend. 705 */ 706 spinlock_t lock; 707 708 struct semaphore sem; 709 u8 lrssi_roam_threshold; 710 struct ath6kl_version version; 711 u32 target_type; 712 u8 tx_pwr; 713 struct ath6kl_node_mapping node_map[MAX_NODE_NUM]; 714 u8 ibss_ps_enable; 715 bool ibss_if_active; 716 u8 node_num; 717 u8 next_ep_id; 718 struct ath6kl_cookie *cookie_list; 719 u32 cookie_count; 720 enum htc_endpoint_id ac2ep_map[WMM_NUM_AC]; 721 bool ac_stream_active[WMM_NUM_AC]; 722 u8 ac_stream_pri_map[WMM_NUM_AC]; 723 u8 hiac_stream_active_pri; 724 u8 ep2ac_map[ENDPOINT_MAX]; 725 enum htc_endpoint_id ctrl_ep; 726 struct ath6kl_htc_credit_info credit_state_info; 727 u32 connect_ctrl_flags; 728 u32 user_key_ctrl; 729 u8 usr_bss_filter; 730 struct ath6kl_sta sta_list[AP_MAX_NUM_STA]; 731 u8 sta_list_index; 732 struct ath6kl_req_key ap_mode_bkey; 733 struct sk_buff_head mcastpsq; 734 u32 want_ch_switch; 735 u16 last_ch; 736 737 /* 738 * FIXME: protects access to mcastpsq but is actually useless as 739 * all skbe_queue_*() functions provide serialisation themselves 740 */ 741 spinlock_t mcastpsq_lock; 742 743 u8 intra_bss; 744 struct wmi_ap_mode_stat ap_stats; 745 u8 ap_country_code[3]; 746 struct list_head amsdu_rx_buffer_queue; 747 u8 rx_meta_ver; 748 enum wlan_low_pwr_state wlan_pwr_state; 749 u8 mac_addr[ETH_ALEN]; 750 #define AR_MCAST_FILTER_MAC_ADDR_SIZE 4 751 struct { 752 void *rx_report; 753 size_t rx_report_len; 754 } tm; 755 756 struct ath6kl_hw { 757 u32 id; 758 const char *name; 759 u32 dataset_patch_addr; 760 u32 app_load_addr; 761 u32 app_start_override_addr; 762 u32 board_ext_data_addr; 763 u32 reserved_ram_size; 764 u32 board_addr; 765 u32 refclk_hz; 766 u32 uarttx_pin; 767 u32 testscript_addr; 768 enum wmi_phy_cap cap; 769 770 u32 flags; 771 772 struct ath6kl_hw_fw { 773 const char *dir; 774 const char *otp; 775 const char *fw; 776 const char *tcmd; 777 const char *patch; 778 const char *utf; 779 const char *testscript; 780 } fw; 781 782 const char *fw_board; 783 const char *fw_default_board; 784 } hw; 785 786 u16 conf_flags; 787 u16 suspend_mode; 788 u16 wow_suspend_mode; 789 wait_queue_head_t event_wq; 790 struct ath6kl_mbox_info mbox_info; 791 792 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM]; 793 unsigned long flag; 794 795 u8 *fw_board; 796 size_t fw_board_len; 797 798 u8 *fw_otp; 799 size_t fw_otp_len; 800 801 u8 *fw; 802 size_t fw_len; 803 804 u8 *fw_patch; 805 size_t fw_patch_len; 806 807 u8 *fw_testscript; 808 size_t fw_testscript_len; 809 810 unsigned int fw_api; 811 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN]; 812 813 struct workqueue_struct *ath6kl_wq; 814 815 struct dentry *debugfs_phy; 816 817 bool p2p; 818 819 bool wiphy_registered; 820 821 struct ath6kl_fw_recovery { 822 struct work_struct recovery_work; 823 unsigned long err_reason; 824 unsigned long hb_poll; 825 struct timer_list hb_timer; 826 u32 seq_num; 827 bool hb_pending; 828 u8 hb_misscnt; 829 bool enable; 830 } fw_recovery; 831 832 #ifdef CONFIG_ATH6KL_DEBUG 833 struct { 834 struct sk_buff_head fwlog_queue; 835 struct completion fwlog_completion; 836 bool fwlog_open; 837 838 u32 fwlog_mask; 839 840 unsigned int dbgfs_diag_reg; 841 u32 diag_reg_addr_wr; 842 u32 diag_reg_val_wr; 843 844 struct { 845 unsigned int invalid_rate; 846 } war_stats; 847 848 u8 *roam_tbl; 849 unsigned int roam_tbl_len; 850 851 u8 keepalive; 852 u8 disc_timeout; 853 } debug; 854 #endif /* CONFIG_ATH6KL_DEBUG */ 855 }; 856 857 static inline struct ath6kl *ath6kl_priv(struct net_device *dev) 858 { 859 return ((struct ath6kl_vif *) netdev_priv(dev))->ar; 860 } 861 862 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar, 863 u32 item_offset) 864 { 865 u32 addr = 0; 866 867 if (ar->target_type == TARGET_TYPE_AR6003) 868 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset; 869 else if (ar->target_type == TARGET_TYPE_AR6004) 870 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset; 871 872 return addr; 873 } 874 875 int ath6kl_configure_target(struct ath6kl *ar); 876 void ath6kl_detect_error(unsigned long ptr); 877 void disconnect_timer_handler(unsigned long ptr); 878 void init_netdev(struct net_device *dev); 879 void ath6kl_cookie_init(struct ath6kl *ar); 880 void ath6kl_cookie_cleanup(struct ath6kl *ar); 881 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet); 882 void ath6kl_tx_complete(struct htc_target *context, 883 struct list_head *packet_queue); 884 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, 885 struct htc_packet *packet); 886 void ath6kl_stop_txrx(struct ath6kl *ar); 887 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar); 888 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value); 889 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length); 890 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value); 891 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length); 892 int ath6kl_read_fwlogs(struct ath6kl *ar); 893 void ath6kl_init_profile_info(struct ath6kl_vif *vif); 894 void ath6kl_tx_data_cleanup(struct ath6kl *ar); 895 896 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar); 897 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie); 898 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); 899 900 struct aggr_info *aggr_init(struct ath6kl_vif *vif); 901 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info, 902 struct aggr_info_conn *aggr_conn); 903 void ath6kl_rx_refill(struct htc_target *target, 904 enum htc_endpoint_id endpoint); 905 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count); 906 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target, 907 enum htc_endpoint_id endpoint, 908 int len); 909 void aggr_module_destroy(struct aggr_info *aggr_info); 910 void aggr_reset_state(struct aggr_info_conn *aggr_conn); 911 912 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr); 913 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid); 914 915 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 916 enum wmi_phy_cap cap); 917 int ath6kl_control_tx(void *devt, struct sk_buff *skb, 918 enum htc_endpoint_id eid); 919 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, 920 u8 *bssid, u16 listen_int, 921 u16 beacon_int, enum network_type net_type, 922 u8 beacon_ie_len, u8 assoc_req_len, 923 u8 assoc_resp_len, u8 *assoc_info); 924 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel); 925 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 926 u8 keymgmt, u8 ucipher, u8 auth, 927 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info); 928 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, 929 u8 *bssid, u8 assoc_resp_len, 930 u8 *assoc_info, u16 prot_reason_status); 931 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast); 932 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr); 933 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status); 934 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len); 935 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active); 936 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac); 937 938 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid); 939 940 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif); 941 void ath6kl_disconnect(struct ath6kl_vif *vif); 942 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid); 943 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no, 944 u8 win_sz); 945 void ath6kl_wakeup_event(void *dev); 946 947 void ath6kl_init_control_info(struct ath6kl_vif *vif); 948 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar); 949 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready); 950 int ath6kl_init_hw_start(struct ath6kl *ar); 951 int ath6kl_init_hw_stop(struct ath6kl *ar); 952 int ath6kl_init_fetch_firmwares(struct ath6kl *ar); 953 int ath6kl_init_hw_params(struct ath6kl *ar); 954 955 void ath6kl_check_wow_status(struct ath6kl *ar); 956 957 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb); 958 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe); 959 960 struct ath6kl *ath6kl_core_create(struct device *dev); 961 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type); 962 void ath6kl_core_cleanup(struct ath6kl *ar); 963 void ath6kl_core_destroy(struct ath6kl *ar); 964 965 /* Fw error recovery */ 966 void ath6kl_init_hw_restart(struct ath6kl *ar); 967 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason); 968 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie); 969 void ath6kl_recovery_init(struct ath6kl *ar); 970 void ath6kl_recovery_cleanup(struct ath6kl *ar); 971 void ath6kl_recovery_suspend(struct ath6kl *ar); 972 void ath6kl_recovery_resume(struct ath6kl *ar); 973 #endif /* CORE_H */ 974