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 /* firmware 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 uarttx_rate; 785 u32 testscript_addr; 786 u8 tx_ant; 787 u8 rx_ant; 788 enum wmi_phy_cap cap; 789 790 u32 flags; 791 792 struct ath6kl_hw_fw { 793 const char *dir; 794 const char *otp; 795 const char *fw; 796 const char *tcmd; 797 const char *patch; 798 const char *utf; 799 const char *testscript; 800 } fw; 801 802 const char *fw_board; 803 const char *fw_default_board; 804 } hw; 805 806 u16 conf_flags; 807 u16 suspend_mode; 808 u16 wow_suspend_mode; 809 wait_queue_head_t event_wq; 810 struct ath6kl_mbox_info mbox_info; 811 812 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM]; 813 unsigned long flag; 814 815 u8 *fw_board; 816 size_t fw_board_len; 817 818 u8 *fw_otp; 819 size_t fw_otp_len; 820 821 u8 *fw; 822 size_t fw_len; 823 824 u8 *fw_patch; 825 size_t fw_patch_len; 826 827 u8 *fw_testscript; 828 size_t fw_testscript_len; 829 830 unsigned int fw_api; 831 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN]; 832 833 struct workqueue_struct *ath6kl_wq; 834 835 struct dentry *debugfs_phy; 836 837 bool p2p; 838 839 bool wiphy_registered; 840 841 struct ath6kl_fw_recovery { 842 struct work_struct recovery_work; 843 unsigned long err_reason; 844 unsigned long hb_poll; 845 struct timer_list hb_timer; 846 u32 seq_num; 847 bool hb_pending; 848 u8 hb_misscnt; 849 bool enable; 850 } fw_recovery; 851 852 #ifdef CONFIG_ATH6KL_DEBUG 853 struct { 854 struct sk_buff_head fwlog_queue; 855 struct completion fwlog_completion; 856 bool fwlog_open; 857 858 u32 fwlog_mask; 859 860 unsigned int dbgfs_diag_reg; 861 u32 diag_reg_addr_wr; 862 u32 diag_reg_val_wr; 863 864 struct { 865 unsigned int invalid_rate; 866 } war_stats; 867 868 u8 *roam_tbl; 869 unsigned int roam_tbl_len; 870 871 u8 keepalive; 872 u8 disc_timeout; 873 } debug; 874 #endif /* CONFIG_ATH6KL_DEBUG */ 875 }; 876 877 static inline struct ath6kl *ath6kl_priv(struct net_device *dev) 878 { 879 return ((struct ath6kl_vif *) netdev_priv(dev))->ar; 880 } 881 882 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar, 883 u32 item_offset) 884 { 885 u32 addr = 0; 886 887 if (ar->target_type == TARGET_TYPE_AR6003) 888 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset; 889 else if (ar->target_type == TARGET_TYPE_AR6004) 890 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset; 891 892 return addr; 893 } 894 895 int ath6kl_configure_target(struct ath6kl *ar); 896 void ath6kl_detect_error(unsigned long ptr); 897 void disconnect_timer_handler(unsigned long ptr); 898 void init_netdev(struct net_device *dev); 899 void ath6kl_cookie_init(struct ath6kl *ar); 900 void ath6kl_cookie_cleanup(struct ath6kl *ar); 901 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet); 902 void ath6kl_tx_complete(struct htc_target *context, 903 struct list_head *packet_queue); 904 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, 905 struct htc_packet *packet); 906 void ath6kl_stop_txrx(struct ath6kl *ar); 907 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar); 908 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value); 909 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length); 910 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value); 911 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length); 912 int ath6kl_read_fwlogs(struct ath6kl *ar); 913 void ath6kl_init_profile_info(struct ath6kl_vif *vif); 914 void ath6kl_tx_data_cleanup(struct ath6kl *ar); 915 916 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar); 917 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie); 918 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); 919 920 struct aggr_info *aggr_init(struct ath6kl_vif *vif); 921 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info, 922 struct aggr_info_conn *aggr_conn); 923 void ath6kl_rx_refill(struct htc_target *target, 924 enum htc_endpoint_id endpoint); 925 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count); 926 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target, 927 enum htc_endpoint_id endpoint, 928 int len); 929 void aggr_module_destroy(struct aggr_info *aggr_info); 930 void aggr_reset_state(struct aggr_info_conn *aggr_conn); 931 932 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr); 933 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid); 934 935 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 936 enum wmi_phy_cap cap); 937 int ath6kl_control_tx(void *devt, struct sk_buff *skb, 938 enum htc_endpoint_id eid); 939 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, 940 u8 *bssid, u16 listen_int, 941 u16 beacon_int, enum network_type net_type, 942 u8 beacon_ie_len, u8 assoc_req_len, 943 u8 assoc_resp_len, u8 *assoc_info); 944 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel); 945 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 946 u8 keymgmt, u8 ucipher, u8 auth, 947 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info); 948 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, 949 u8 *bssid, u8 assoc_resp_len, 950 u8 *assoc_info, u16 prot_reason_status); 951 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast); 952 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr); 953 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status); 954 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len); 955 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active); 956 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac); 957 958 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid); 959 960 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif); 961 void ath6kl_disconnect(struct ath6kl_vif *vif); 962 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid); 963 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no, 964 u8 win_sz); 965 void ath6kl_wakeup_event(void *dev); 966 967 void ath6kl_init_control_info(struct ath6kl_vif *vif); 968 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar); 969 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready); 970 int ath6kl_init_hw_start(struct ath6kl *ar); 971 int ath6kl_init_hw_stop(struct ath6kl *ar); 972 int ath6kl_init_fetch_firmwares(struct ath6kl *ar); 973 int ath6kl_init_hw_params(struct ath6kl *ar); 974 975 void ath6kl_check_wow_status(struct ath6kl *ar); 976 977 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb); 978 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe); 979 980 struct ath6kl *ath6kl_core_create(struct device *dev); 981 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type); 982 void ath6kl_core_cleanup(struct ath6kl *ar); 983 void ath6kl_core_destroy(struct ath6kl *ar); 984 985 /* Fw error recovery */ 986 void ath6kl_init_hw_restart(struct ath6kl *ar); 987 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason); 988 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie); 989 void ath6kl_recovery_init(struct ath6kl *ar); 990 void ath6kl_recovery_cleanup(struct ath6kl *ar); 991 void ath6kl_recovery_suspend(struct ath6kl *ar); 992 void ath6kl_recovery_resume(struct ath6kl *ar); 993 #endif /* CORE_H */ 994