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 NETDEV_REGISTERED, 564 CLEAR_BSSFILTER_ON_BEACON, 565 DTIM_PERIOD_AVAIL, 566 WLAN_ENABLED, 567 STATS_UPDATE_PEND, 568 HOST_SLEEP_MODE_CMD_PROCESSED, 569 NETDEV_MCAST_ALL_ON, 570 NETDEV_MCAST_ALL_OFF, 571 SCHED_SCANNING, 572 }; 573 574 struct ath6kl_vif { 575 struct list_head list; 576 struct wireless_dev wdev; 577 struct net_device *ndev; 578 struct ath6kl *ar; 579 /* Lock to protect vif specific net_stats and flags */ 580 spinlock_t if_lock; 581 u8 fw_vif_idx; 582 unsigned long flags; 583 int ssid_len; 584 u8 ssid[IEEE80211_MAX_SSID_LEN]; 585 u8 dot11_auth_mode; 586 u8 auth_mode; 587 u8 prwise_crypto; 588 u8 prwise_crypto_len; 589 u8 grp_crypto; 590 u8 grp_crypto_len; 591 u8 def_txkey_index; 592 u8 next_mode; 593 u8 nw_type; 594 u8 bssid[ETH_ALEN]; 595 u8 req_bssid[ETH_ALEN]; 596 u16 ch_hint; 597 u16 bss_ch; 598 struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1]; 599 struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1]; 600 struct aggr_info *aggr_cntxt; 601 struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS]; 602 603 struct timer_list disconnect_timer; 604 struct timer_list sched_scan_timer; 605 606 struct cfg80211_scan_request *scan_req; 607 enum sme_state sme_state; 608 int reconnect_flag; 609 u32 last_roc_id; 610 u32 last_cancel_roc_id; 611 u32 send_action_id; 612 bool probe_req_report; 613 u16 assoc_bss_beacon_int; 614 u16 listen_intvl_t; 615 u16 bmiss_time_t; 616 u32 txe_intvl; 617 u16 bg_scan_period; 618 u8 assoc_bss_dtim_period; 619 struct net_device_stats net_stats; 620 struct target_stats target_stats; 621 struct wmi_connect_cmd profile; 622 u16 rsn_capab; 623 624 struct list_head mc_filter; 625 }; 626 627 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev) 628 { 629 return container_of(wdev, struct ath6kl_vif, wdev); 630 } 631 632 #define WOW_LIST_ID 0 633 #define WOW_HOST_REQ_DELAY 500 /* ms */ 634 635 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */ 636 637 /* Flag info */ 638 enum ath6kl_dev_state { 639 WMI_ENABLED, 640 WMI_READY, 641 WMI_CTRL_EP_FULL, 642 TESTMODE, 643 DESTROY_IN_PROGRESS, 644 SKIP_SCAN, 645 ROAM_TBL_PEND, 646 FIRST_BOOT, 647 RECOVERY_CLEANUP, 648 }; 649 650 enum ath6kl_state { 651 ATH6KL_STATE_OFF, 652 ATH6KL_STATE_ON, 653 ATH6KL_STATE_SUSPENDING, 654 ATH6KL_STATE_RESUMING, 655 ATH6KL_STATE_DEEPSLEEP, 656 ATH6KL_STATE_CUTPOWER, 657 ATH6KL_STATE_WOW, 658 ATH6KL_STATE_RECOVERY, 659 }; 660 661 /* Fw error recovery */ 662 #define ATH6KL_HB_RESP_MISS_THRES 5 663 664 enum ath6kl_fw_err { 665 ATH6KL_FW_ASSERT, 666 ATH6KL_FW_HB_RESP_FAILURE, 667 ATH6KL_FW_EP_FULL, 668 }; 669 670 struct ath6kl { 671 struct device *dev; 672 struct wiphy *wiphy; 673 674 enum ath6kl_state state; 675 unsigned int testmode; 676 677 struct ath6kl_bmi bmi; 678 const struct ath6kl_hif_ops *hif_ops; 679 const struct ath6kl_htc_ops *htc_ops; 680 struct wmi *wmi; 681 int tx_pending[ENDPOINT_MAX]; 682 int total_tx_data_pend; 683 struct htc_target *htc_target; 684 enum ath6kl_hif_type hif_type; 685 void *hif_priv; 686 struct list_head vif_list; 687 /* Lock to avoid race in vif_list entries among add/del/traverse */ 688 spinlock_t list_lock; 689 u8 num_vif; 690 unsigned int vif_max; 691 u8 max_norm_iface; 692 u8 avail_idx_map; 693 694 /* 695 * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie() 696 * calls, tx_pending and total_tx_data_pend. 697 */ 698 spinlock_t lock; 699 700 struct semaphore sem; 701 u8 lrssi_roam_threshold; 702 struct ath6kl_version version; 703 u32 target_type; 704 u8 tx_pwr; 705 struct ath6kl_node_mapping node_map[MAX_NODE_NUM]; 706 u8 ibss_ps_enable; 707 bool ibss_if_active; 708 u8 node_num; 709 u8 next_ep_id; 710 struct ath6kl_cookie *cookie_list; 711 u32 cookie_count; 712 enum htc_endpoint_id ac2ep_map[WMM_NUM_AC]; 713 bool ac_stream_active[WMM_NUM_AC]; 714 u8 ac_stream_pri_map[WMM_NUM_AC]; 715 u8 hiac_stream_active_pri; 716 u8 ep2ac_map[ENDPOINT_MAX]; 717 enum htc_endpoint_id ctrl_ep; 718 struct ath6kl_htc_credit_info credit_state_info; 719 u32 connect_ctrl_flags; 720 u32 user_key_ctrl; 721 u8 usr_bss_filter; 722 struct ath6kl_sta sta_list[AP_MAX_NUM_STA]; 723 u8 sta_list_index; 724 struct ath6kl_req_key ap_mode_bkey; 725 struct sk_buff_head mcastpsq; 726 u32 want_ch_switch; 727 u16 last_ch; 728 729 /* 730 * FIXME: protects access to mcastpsq but is actually useless as 731 * all skbe_queue_*() functions provide serialisation themselves 732 */ 733 spinlock_t mcastpsq_lock; 734 735 u8 intra_bss; 736 struct wmi_ap_mode_stat ap_stats; 737 u8 ap_country_code[3]; 738 struct list_head amsdu_rx_buffer_queue; 739 u8 rx_meta_ver; 740 enum wlan_low_pwr_state wlan_pwr_state; 741 u8 mac_addr[ETH_ALEN]; 742 #define AR_MCAST_FILTER_MAC_ADDR_SIZE 4 743 struct { 744 void *rx_report; 745 size_t rx_report_len; 746 } tm; 747 748 struct ath6kl_hw { 749 u32 id; 750 const char *name; 751 u32 dataset_patch_addr; 752 u32 app_load_addr; 753 u32 app_start_override_addr; 754 u32 board_ext_data_addr; 755 u32 reserved_ram_size; 756 u32 board_addr; 757 u32 refclk_hz; 758 u32 uarttx_pin; 759 u32 testscript_addr; 760 enum wmi_phy_cap cap; 761 762 u32 flags; 763 764 struct ath6kl_hw_fw { 765 const char *dir; 766 const char *otp; 767 const char *fw; 768 const char *tcmd; 769 const char *patch; 770 const char *utf; 771 const char *testscript; 772 } fw; 773 774 const char *fw_board; 775 const char *fw_default_board; 776 } hw; 777 778 u16 conf_flags; 779 u16 suspend_mode; 780 u16 wow_suspend_mode; 781 wait_queue_head_t event_wq; 782 struct ath6kl_mbox_info mbox_info; 783 784 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM]; 785 unsigned long flag; 786 787 u8 *fw_board; 788 size_t fw_board_len; 789 790 u8 *fw_otp; 791 size_t fw_otp_len; 792 793 u8 *fw; 794 size_t fw_len; 795 796 u8 *fw_patch; 797 size_t fw_patch_len; 798 799 u8 *fw_testscript; 800 size_t fw_testscript_len; 801 802 unsigned int fw_api; 803 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN]; 804 805 struct workqueue_struct *ath6kl_wq; 806 807 struct dentry *debugfs_phy; 808 809 bool p2p; 810 811 bool wiphy_registered; 812 813 struct ath6kl_fw_recovery { 814 struct work_struct recovery_work; 815 unsigned long err_reason; 816 unsigned long hb_poll; 817 struct timer_list hb_timer; 818 u32 seq_num; 819 bool hb_pending; 820 u8 hb_misscnt; 821 bool enable; 822 } fw_recovery; 823 824 #ifdef CONFIG_ATH6KL_DEBUG 825 struct { 826 struct sk_buff_head fwlog_queue; 827 struct completion fwlog_completion; 828 bool fwlog_open; 829 830 u32 fwlog_mask; 831 832 unsigned int dbgfs_diag_reg; 833 u32 diag_reg_addr_wr; 834 u32 diag_reg_val_wr; 835 836 struct { 837 unsigned int invalid_rate; 838 } war_stats; 839 840 u8 *roam_tbl; 841 unsigned int roam_tbl_len; 842 843 u8 keepalive; 844 u8 disc_timeout; 845 } debug; 846 #endif /* CONFIG_ATH6KL_DEBUG */ 847 }; 848 849 static inline struct ath6kl *ath6kl_priv(struct net_device *dev) 850 { 851 return ((struct ath6kl_vif *) netdev_priv(dev))->ar; 852 } 853 854 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar, 855 u32 item_offset) 856 { 857 u32 addr = 0; 858 859 if (ar->target_type == TARGET_TYPE_AR6003) 860 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset; 861 else if (ar->target_type == TARGET_TYPE_AR6004) 862 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset; 863 864 return addr; 865 } 866 867 int ath6kl_configure_target(struct ath6kl *ar); 868 void ath6kl_detect_error(unsigned long ptr); 869 void disconnect_timer_handler(unsigned long ptr); 870 void init_netdev(struct net_device *dev); 871 void ath6kl_cookie_init(struct ath6kl *ar); 872 void ath6kl_cookie_cleanup(struct ath6kl *ar); 873 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet); 874 void ath6kl_tx_complete(struct htc_target *context, 875 struct list_head *packet_queue); 876 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, 877 struct htc_packet *packet); 878 void ath6kl_stop_txrx(struct ath6kl *ar); 879 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar); 880 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value); 881 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length); 882 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value); 883 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length); 884 int ath6kl_read_fwlogs(struct ath6kl *ar); 885 void ath6kl_init_profile_info(struct ath6kl_vif *vif); 886 void ath6kl_tx_data_cleanup(struct ath6kl *ar); 887 888 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar); 889 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie); 890 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); 891 892 struct aggr_info *aggr_init(struct ath6kl_vif *vif); 893 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info, 894 struct aggr_info_conn *aggr_conn); 895 void ath6kl_rx_refill(struct htc_target *target, 896 enum htc_endpoint_id endpoint); 897 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count); 898 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target, 899 enum htc_endpoint_id endpoint, 900 int len); 901 void aggr_module_destroy(struct aggr_info *aggr_info); 902 void aggr_reset_state(struct aggr_info_conn *aggr_conn); 903 904 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr); 905 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid); 906 907 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 908 enum wmi_phy_cap cap); 909 int ath6kl_control_tx(void *devt, struct sk_buff *skb, 910 enum htc_endpoint_id eid); 911 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, 912 u8 *bssid, u16 listen_int, 913 u16 beacon_int, enum network_type net_type, 914 u8 beacon_ie_len, u8 assoc_req_len, 915 u8 assoc_resp_len, u8 *assoc_info); 916 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel); 917 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 918 u8 keymgmt, u8 ucipher, u8 auth, 919 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info); 920 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, 921 u8 *bssid, u8 assoc_resp_len, 922 u8 *assoc_info, u16 prot_reason_status); 923 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast); 924 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr); 925 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status); 926 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len); 927 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active); 928 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac); 929 930 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid); 931 932 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif); 933 void ath6kl_disconnect(struct ath6kl_vif *vif); 934 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid); 935 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no, 936 u8 win_sz); 937 void ath6kl_wakeup_event(void *dev); 938 939 void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 940 bool wait_fot_compltn, bool cold_reset); 941 void ath6kl_init_control_info(struct ath6kl_vif *vif); 942 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar); 943 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready); 944 int ath6kl_init_hw_start(struct ath6kl *ar); 945 int ath6kl_init_hw_stop(struct ath6kl *ar); 946 int ath6kl_init_fetch_firmwares(struct ath6kl *ar); 947 int ath6kl_init_hw_params(struct ath6kl *ar); 948 949 void ath6kl_check_wow_status(struct ath6kl *ar); 950 951 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb); 952 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe); 953 954 struct ath6kl *ath6kl_core_create(struct device *dev); 955 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type); 956 void ath6kl_core_cleanup(struct ath6kl *ar); 957 void ath6kl_core_destroy(struct ath6kl *ar); 958 959 /* Fw error recovery */ 960 void ath6kl_init_hw_restart(struct ath6kl *ar); 961 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason); 962 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie); 963 void ath6kl_recovery_init(struct ath6kl *ar); 964 void ath6kl_recovery_cleanup(struct ath6kl *ar); 965 void ath6kl_recovery_suspend(struct ath6kl *ar); 966 void ath6kl_recovery_resume(struct ath6kl *ar); 967 #endif /* CORE_H */ 968