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 /* this needs to be last */ 134 ATH6KL_FW_CAPABILITY_MAX, 135 }; 136 137 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32) 138 139 struct ath6kl_fw_ie { 140 __le32 id; 141 __le32 len; 142 u8 data[0]; 143 }; 144 145 enum ath6kl_hw_flags { 146 ATH6KL_HW_FLAG_64BIT_RATES = BIT(0), 147 }; 148 149 #define ATH6KL_FW_API2_FILE "fw-2.bin" 150 #define ATH6KL_FW_API3_FILE "fw-3.bin" 151 #define ATH6KL_FW_API4_FILE "fw-4.bin" 152 153 /* AR6003 1.0 definitions */ 154 #define AR6003_HW_1_0_VERSION 0x300002ba 155 156 /* AR6003 2.0 definitions */ 157 #define AR6003_HW_2_0_VERSION 0x30000384 158 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS 0x57e910 159 #define AR6003_HW_2_0_FW_DIR "ath6k/AR6003/hw2.0" 160 #define AR6003_HW_2_0_OTP_FILE "otp.bin.z77" 161 #define AR6003_HW_2_0_FIRMWARE_FILE "athwlan.bin.z77" 162 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "athtcmd_ram.bin" 163 #define AR6003_HW_2_0_PATCH_FILE "data.patch.bin" 164 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin" 165 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \ 166 AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin" 167 168 /* AR6003 3.0 definitions */ 169 #define AR6003_HW_2_1_1_VERSION 0x30000582 170 #define AR6003_HW_2_1_1_FW_DIR "ath6k/AR6003/hw2.1.1" 171 #define AR6003_HW_2_1_1_OTP_FILE "otp.bin" 172 #define AR6003_HW_2_1_1_FIRMWARE_FILE "athwlan.bin" 173 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE "athtcmd_ram.bin" 174 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE "utf.bin" 175 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin" 176 #define AR6003_HW_2_1_1_PATCH_FILE "data.patch.bin" 177 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin" 178 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \ 179 AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin" 180 181 /* AR6004 1.0 definitions */ 182 #define AR6004_HW_1_0_VERSION 0x30000623 183 #define AR6004_HW_1_0_FW_DIR "ath6k/AR6004/hw1.0" 184 #define AR6004_HW_1_0_FIRMWARE_FILE "fw.ram.bin" 185 #define AR6004_HW_1_0_BOARD_DATA_FILE AR6004_HW_1_0_FW_DIR "/bdata.bin" 186 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \ 187 AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin" 188 189 /* AR6004 1.1 definitions */ 190 #define AR6004_HW_1_1_VERSION 0x30000001 191 #define AR6004_HW_1_1_FW_DIR "ath6k/AR6004/hw1.1" 192 #define AR6004_HW_1_1_FIRMWARE_FILE "fw.ram.bin" 193 #define AR6004_HW_1_1_BOARD_DATA_FILE AR6004_HW_1_1_FW_DIR "/bdata.bin" 194 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \ 195 AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin" 196 197 /* AR6004 1.2 definitions */ 198 #define AR6004_HW_1_2_VERSION 0x300007e8 199 #define AR6004_HW_1_2_FW_DIR "ath6k/AR6004/hw1.2" 200 #define AR6004_HW_1_2_FIRMWARE_FILE "fw.ram.bin" 201 #define AR6004_HW_1_2_BOARD_DATA_FILE AR6004_HW_1_2_FW_DIR "/bdata.bin" 202 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \ 203 AR6004_HW_1_2_FW_DIR "/bdata.bin" 204 205 /* AR6004 1.3 definitions */ 206 #define AR6004_HW_1_3_VERSION 0x31c8088a 207 #define AR6004_HW_1_3_FW_DIR "ath6k/AR6004/hw1.3" 208 #define AR6004_HW_1_3_FIRMWARE_FILE "fw.ram.bin" 209 #define AR6004_HW_1_3_BOARD_DATA_FILE "ath6k/AR6004/hw1.3/bdata.bin" 210 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE "ath6k/AR6004/hw1.3/bdata.bin" 211 212 /* Per STA data, used in AP mode */ 213 #define STA_PS_AWAKE BIT(0) 214 #define STA_PS_SLEEP BIT(1) 215 #define STA_PS_POLLED BIT(2) 216 #define STA_PS_APSD_TRIGGER BIT(3) 217 #define STA_PS_APSD_EOSP BIT(4) 218 219 /* HTC TX packet tagging definitions */ 220 #define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED 221 #define ATH6KL_DATA_PKT_TAG (ATH6KL_CONTROL_PKT_TAG + 1) 222 223 #define AR6003_CUST_DATA_SIZE 16 224 225 #define AGGR_WIN_IDX(x, y) ((x) % (y)) 226 #define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x) + 1), (y)) 227 #define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x) - 1), (y)) 228 #define ATH6KL_MAX_SEQ_NO 0xFFF 229 #define ATH6KL_NEXT_SEQ_NO(x) (((x) + 1) & ATH6KL_MAX_SEQ_NO) 230 231 #define NUM_OF_TIDS 8 232 #define AGGR_SZ_DEFAULT 8 233 234 #define AGGR_WIN_SZ_MIN 2 235 #define AGGR_WIN_SZ_MAX 8 236 237 #define TID_WINDOW_SZ(_x) ((_x) << 1) 238 239 #define AGGR_NUM_OF_FREE_NETBUFS 16 240 241 #define AGGR_RX_TIMEOUT 100 /* in ms */ 242 243 #define WMI_TIMEOUT (2 * HZ) 244 245 #define MBOX_YIELD_LIMIT 99 246 247 #define ATH6KL_DEFAULT_LISTEN_INTVAL 100 /* in TUs */ 248 #define ATH6KL_DEFAULT_BMISS_TIME 1500 249 #define ATH6KL_MAX_WOW_LISTEN_INTL 300 /* in TUs */ 250 #define ATH6KL_MAX_BMISS_TIME 5000 251 252 /* configuration lags */ 253 /* 254 * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in 255 * ERP IE of beacon to determine the short premable support when 256 * sending (Re)Assoc req. 257 * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power 258 * module state transition failure events which happen during 259 * scan, to the host. 260 */ 261 #define ATH6KL_CONF_IGNORE_ERP_BARKER BIT(0) 262 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN BIT(1) 263 #define ATH6KL_CONF_ENABLE_11N BIT(2) 264 #define ATH6KL_CONF_ENABLE_TX_BURST BIT(3) 265 #define ATH6KL_CONF_UART_DEBUG BIT(4) 266 267 #define P2P_WILDCARD_SSID_LEN 7 /* DIRECT- */ 268 269 enum wlan_low_pwr_state { 270 WLAN_POWER_STATE_ON, 271 WLAN_POWER_STATE_CUT_PWR, 272 WLAN_POWER_STATE_DEEP_SLEEP, 273 WLAN_POWER_STATE_WOW 274 }; 275 276 enum sme_state { 277 SME_DISCONNECTED, 278 SME_CONNECTING, 279 SME_CONNECTED 280 }; 281 282 struct skb_hold_q { 283 struct sk_buff *skb; 284 bool is_amsdu; 285 u16 seq_no; 286 }; 287 288 struct rxtid { 289 bool aggr; 290 bool timer_mon; 291 u16 win_sz; 292 u16 seq_next; 293 u32 hold_q_sz; 294 struct skb_hold_q *hold_q; 295 struct sk_buff_head q; 296 297 /* 298 * lock mainly protects seq_next and hold_q. Movement of seq_next 299 * needs to be protected between aggr_timeout() and 300 * aggr_process_recv_frm(). hold_q will be holding the pending 301 * reorder frames and it's access should also be protected. 302 * Some of the other fields like hold_q_sz, win_sz and aggr are 303 * initialized/reset when receiving addba/delba req, also while 304 * deleting aggr state all the pending buffers are flushed before 305 * resetting these fields, so there should not be any race in accessing 306 * these fields. 307 */ 308 spinlock_t lock; 309 }; 310 311 struct rxtid_stats { 312 u32 num_into_aggr; 313 u32 num_dups; 314 u32 num_oow; 315 u32 num_mpdu; 316 u32 num_amsdu; 317 u32 num_delivered; 318 u32 num_timeouts; 319 u32 num_hole; 320 u32 num_bar; 321 }; 322 323 struct aggr_info_conn { 324 u8 aggr_sz; 325 u8 timer_scheduled; 326 struct timer_list timer; 327 struct net_device *dev; 328 struct rxtid rx_tid[NUM_OF_TIDS]; 329 struct rxtid_stats stat[NUM_OF_TIDS]; 330 struct aggr_info *aggr_info; 331 }; 332 333 struct aggr_info { 334 struct aggr_info_conn *aggr_conn; 335 struct sk_buff_head rx_amsdu_freeq; 336 }; 337 338 struct ath6kl_wep_key { 339 u8 key_index; 340 u8 key_len; 341 u8 key[64]; 342 }; 343 344 #define ATH6KL_KEY_SEQ_LEN 8 345 346 struct ath6kl_key { 347 u8 key[WLAN_MAX_KEY_LEN]; 348 u8 key_len; 349 u8 seq[ATH6KL_KEY_SEQ_LEN]; 350 u8 seq_len; 351 u32 cipher; 352 }; 353 354 struct ath6kl_node_mapping { 355 u8 mac_addr[ETH_ALEN]; 356 u8 ep_id; 357 u8 tx_pend; 358 }; 359 360 struct ath6kl_cookie { 361 struct sk_buff *skb; 362 u32 map_no; 363 struct htc_packet htc_pkt; 364 struct ath6kl_cookie *arc_list_next; 365 }; 366 367 struct ath6kl_mgmt_buff { 368 struct list_head list; 369 u32 freq; 370 u32 wait; 371 u32 id; 372 bool no_cck; 373 size_t len; 374 u8 buf[0]; 375 }; 376 377 struct ath6kl_sta { 378 u16 sta_flags; 379 u8 mac[ETH_ALEN]; 380 u8 aid; 381 u8 keymgmt; 382 u8 ucipher; 383 u8 auth; 384 u8 wpa_ie[ATH6KL_MAX_IE]; 385 struct sk_buff_head psq; 386 387 /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */ 388 spinlock_t psq_lock; 389 390 struct list_head mgmt_psq; 391 size_t mgmt_psq_len; 392 u8 apsd_info; 393 struct sk_buff_head apsdq; 394 struct aggr_info_conn *aggr_conn; 395 }; 396 397 struct ath6kl_version { 398 u32 target_ver; 399 u32 wlan_ver; 400 u32 abi_ver; 401 }; 402 403 struct ath6kl_bmi { 404 u32 cmd_credits; 405 bool done_sent; 406 u8 *cmd_buf; 407 u32 max_data_size; 408 u32 max_cmd_size; 409 }; 410 411 struct target_stats { 412 u64 tx_pkt; 413 u64 tx_byte; 414 u64 tx_ucast_pkt; 415 u64 tx_ucast_byte; 416 u64 tx_mcast_pkt; 417 u64 tx_mcast_byte; 418 u64 tx_bcast_pkt; 419 u64 tx_bcast_byte; 420 u64 tx_rts_success_cnt; 421 u64 tx_pkt_per_ac[4]; 422 423 u64 tx_err; 424 u64 tx_fail_cnt; 425 u64 tx_retry_cnt; 426 u64 tx_mult_retry_cnt; 427 u64 tx_rts_fail_cnt; 428 429 u64 rx_pkt; 430 u64 rx_byte; 431 u64 rx_ucast_pkt; 432 u64 rx_ucast_byte; 433 u64 rx_mcast_pkt; 434 u64 rx_mcast_byte; 435 u64 rx_bcast_pkt; 436 u64 rx_bcast_byte; 437 u64 rx_frgment_pkt; 438 439 u64 rx_err; 440 u64 rx_crc_err; 441 u64 rx_key_cache_miss; 442 u64 rx_decrypt_err; 443 u64 rx_dupl_frame; 444 445 u64 tkip_local_mic_fail; 446 u64 tkip_cnter_measures_invoked; 447 u64 tkip_replays; 448 u64 tkip_fmt_err; 449 u64 ccmp_fmt_err; 450 u64 ccmp_replays; 451 452 u64 pwr_save_fail_cnt; 453 454 u64 cs_bmiss_cnt; 455 u64 cs_low_rssi_cnt; 456 u64 cs_connect_cnt; 457 u64 cs_discon_cnt; 458 459 s32 tx_ucast_rate; 460 s32 rx_ucast_rate; 461 462 u32 lq_val; 463 464 u32 wow_pkt_dropped; 465 u16 wow_evt_discarded; 466 467 s16 noise_floor_calib; 468 s16 cs_rssi; 469 s16 cs_ave_beacon_rssi; 470 u8 cs_ave_beacon_snr; 471 u8 cs_last_roam_msec; 472 u8 cs_snr; 473 474 u8 wow_host_pkt_wakeups; 475 u8 wow_host_evt_wakeups; 476 477 u32 arp_received; 478 u32 arp_matched; 479 u32 arp_replied; 480 }; 481 482 struct ath6kl_mbox_info { 483 u32 htc_addr; 484 u32 htc_ext_addr; 485 u32 htc_ext_sz; 486 487 u32 block_size; 488 489 u32 gmbox_addr; 490 491 u32 gmbox_sz; 492 }; 493 494 /* 495 * 802.11i defines an extended IV for use with non-WEP ciphers. 496 * When the EXTIV bit is set in the key id byte an additional 497 * 4 bytes immediately follow the IV for TKIP. For CCMP the 498 * EXTIV bit is likewise set but the 8 bytes represent the 499 * CCMP header rather than IV+extended-IV. 500 */ 501 502 #define ATH6KL_KEYBUF_SIZE 16 503 #define ATH6KL_MICBUF_SIZE (8+8) /* space for both tx and rx */ 504 505 #define ATH6KL_KEY_XMIT 0x01 506 #define ATH6KL_KEY_RECV 0x02 507 #define ATH6KL_KEY_DEFAULT 0x80 /* default xmit key */ 508 509 /* Initial group key for AP mode */ 510 struct ath6kl_req_key { 511 bool valid; 512 u8 key_index; 513 int key_type; 514 u8 key[WLAN_MAX_KEY_LEN]; 515 u8 key_len; 516 }; 517 518 enum ath6kl_hif_type { 519 ATH6KL_HIF_TYPE_SDIO, 520 ATH6KL_HIF_TYPE_USB, 521 }; 522 523 enum ath6kl_htc_type { 524 ATH6KL_HTC_TYPE_MBOX, 525 ATH6KL_HTC_TYPE_PIPE, 526 }; 527 528 /* Max number of filters that hw supports */ 529 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7 530 struct ath6kl_mc_filter { 531 struct list_head list; 532 char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE]; 533 }; 534 535 struct ath6kl_htcap { 536 bool ht_enable; 537 u8 ampdu_factor; 538 unsigned short cap_info; 539 }; 540 541 /* 542 * Driver's maximum limit, note that some firmwares support only one vif 543 * and the runtime (current) limit must be checked from ar->vif_max. 544 */ 545 #define ATH6KL_VIF_MAX 3 546 547 /* vif flags info */ 548 enum ath6kl_vif_state { 549 CONNECTED, 550 CONNECT_PEND, 551 WMM_ENABLED, 552 NETQ_STOPPED, 553 DTIM_EXPIRED, 554 NETDEV_REGISTERED, 555 CLEAR_BSSFILTER_ON_BEACON, 556 DTIM_PERIOD_AVAIL, 557 WLAN_ENABLED, 558 STATS_UPDATE_PEND, 559 HOST_SLEEP_MODE_CMD_PROCESSED, 560 NETDEV_MCAST_ALL_ON, 561 NETDEV_MCAST_ALL_OFF, 562 SCHED_SCANNING, 563 }; 564 565 struct ath6kl_vif { 566 struct list_head list; 567 struct wireless_dev wdev; 568 struct net_device *ndev; 569 struct ath6kl *ar; 570 /* Lock to protect vif specific net_stats and flags */ 571 spinlock_t if_lock; 572 u8 fw_vif_idx; 573 unsigned long flags; 574 int ssid_len; 575 u8 ssid[IEEE80211_MAX_SSID_LEN]; 576 u8 dot11_auth_mode; 577 u8 auth_mode; 578 u8 prwise_crypto; 579 u8 prwise_crypto_len; 580 u8 grp_crypto; 581 u8 grp_crypto_len; 582 u8 def_txkey_index; 583 u8 next_mode; 584 u8 nw_type; 585 u8 bssid[ETH_ALEN]; 586 u8 req_bssid[ETH_ALEN]; 587 u16 ch_hint; 588 u16 bss_ch; 589 struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1]; 590 struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1]; 591 struct aggr_info *aggr_cntxt; 592 struct ath6kl_htcap htcap[IEEE80211_NUM_BANDS]; 593 594 struct timer_list disconnect_timer; 595 struct timer_list sched_scan_timer; 596 597 struct cfg80211_scan_request *scan_req; 598 enum sme_state sme_state; 599 int reconnect_flag; 600 u32 last_roc_id; 601 u32 last_cancel_roc_id; 602 u32 send_action_id; 603 bool probe_req_report; 604 u16 assoc_bss_beacon_int; 605 u16 listen_intvl_t; 606 u16 bmiss_time_t; 607 u32 txe_intvl; 608 u16 bg_scan_period; 609 u8 assoc_bss_dtim_period; 610 struct net_device_stats net_stats; 611 struct target_stats target_stats; 612 struct wmi_connect_cmd profile; 613 u16 rsn_capab; 614 615 struct list_head mc_filter; 616 }; 617 618 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev) 619 { 620 return container_of(wdev, struct ath6kl_vif, wdev); 621 } 622 623 #define WOW_LIST_ID 0 624 #define WOW_HOST_REQ_DELAY 500 /* ms */ 625 626 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */ 627 628 /* Flag info */ 629 enum ath6kl_dev_state { 630 WMI_ENABLED, 631 WMI_READY, 632 WMI_CTRL_EP_FULL, 633 TESTMODE, 634 DESTROY_IN_PROGRESS, 635 SKIP_SCAN, 636 ROAM_TBL_PEND, 637 FIRST_BOOT, 638 }; 639 640 enum ath6kl_state { 641 ATH6KL_STATE_OFF, 642 ATH6KL_STATE_ON, 643 ATH6KL_STATE_SUSPENDING, 644 ATH6KL_STATE_RESUMING, 645 ATH6KL_STATE_DEEPSLEEP, 646 ATH6KL_STATE_CUTPOWER, 647 ATH6KL_STATE_WOW, 648 ATH6KL_STATE_RECOVERY, 649 }; 650 651 /* Fw error recovery */ 652 enum ath6kl_fw_err { 653 ATH6KL_FW_ASSERT, 654 }; 655 656 struct ath6kl { 657 struct device *dev; 658 struct wiphy *wiphy; 659 660 enum ath6kl_state state; 661 unsigned int testmode; 662 663 struct ath6kl_bmi bmi; 664 const struct ath6kl_hif_ops *hif_ops; 665 const struct ath6kl_htc_ops *htc_ops; 666 struct wmi *wmi; 667 int tx_pending[ENDPOINT_MAX]; 668 int total_tx_data_pend; 669 struct htc_target *htc_target; 670 enum ath6kl_hif_type hif_type; 671 void *hif_priv; 672 struct list_head vif_list; 673 /* Lock to avoid race in vif_list entries among add/del/traverse */ 674 spinlock_t list_lock; 675 u8 num_vif; 676 unsigned int vif_max; 677 u8 max_norm_iface; 678 u8 avail_idx_map; 679 680 /* 681 * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie() 682 * calls, tx_pending and total_tx_data_pend. 683 */ 684 spinlock_t lock; 685 686 struct semaphore sem; 687 u8 lrssi_roam_threshold; 688 struct ath6kl_version version; 689 u32 target_type; 690 u8 tx_pwr; 691 struct ath6kl_node_mapping node_map[MAX_NODE_NUM]; 692 u8 ibss_ps_enable; 693 bool ibss_if_active; 694 u8 node_num; 695 u8 next_ep_id; 696 struct ath6kl_cookie *cookie_list; 697 u32 cookie_count; 698 enum htc_endpoint_id ac2ep_map[WMM_NUM_AC]; 699 bool ac_stream_active[WMM_NUM_AC]; 700 u8 ac_stream_pri_map[WMM_NUM_AC]; 701 u8 hiac_stream_active_pri; 702 u8 ep2ac_map[ENDPOINT_MAX]; 703 enum htc_endpoint_id ctrl_ep; 704 struct ath6kl_htc_credit_info credit_state_info; 705 u32 connect_ctrl_flags; 706 u32 user_key_ctrl; 707 u8 usr_bss_filter; 708 struct ath6kl_sta sta_list[AP_MAX_NUM_STA]; 709 u8 sta_list_index; 710 struct ath6kl_req_key ap_mode_bkey; 711 struct sk_buff_head mcastpsq; 712 u32 want_ch_switch; 713 u16 last_ch; 714 715 /* 716 * FIXME: protects access to mcastpsq but is actually useless as 717 * all skbe_queue_*() functions provide serialisation themselves 718 */ 719 spinlock_t mcastpsq_lock; 720 721 u8 intra_bss; 722 struct wmi_ap_mode_stat ap_stats; 723 u8 ap_country_code[3]; 724 struct list_head amsdu_rx_buffer_queue; 725 u8 rx_meta_ver; 726 enum wlan_low_pwr_state wlan_pwr_state; 727 u8 mac_addr[ETH_ALEN]; 728 #define AR_MCAST_FILTER_MAC_ADDR_SIZE 4 729 struct { 730 void *rx_report; 731 size_t rx_report_len; 732 } tm; 733 734 struct ath6kl_hw { 735 u32 id; 736 const char *name; 737 u32 dataset_patch_addr; 738 u32 app_load_addr; 739 u32 app_start_override_addr; 740 u32 board_ext_data_addr; 741 u32 reserved_ram_size; 742 u32 board_addr; 743 u32 refclk_hz; 744 u32 uarttx_pin; 745 u32 testscript_addr; 746 enum wmi_phy_cap cap; 747 748 u32 flags; 749 750 struct ath6kl_hw_fw { 751 const char *dir; 752 const char *otp; 753 const char *fw; 754 const char *tcmd; 755 const char *patch; 756 const char *utf; 757 const char *testscript; 758 } fw; 759 760 const char *fw_board; 761 const char *fw_default_board; 762 } hw; 763 764 u16 conf_flags; 765 u16 suspend_mode; 766 u16 wow_suspend_mode; 767 wait_queue_head_t event_wq; 768 struct ath6kl_mbox_info mbox_info; 769 770 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM]; 771 unsigned long flag; 772 773 u8 *fw_board; 774 size_t fw_board_len; 775 776 u8 *fw_otp; 777 size_t fw_otp_len; 778 779 u8 *fw; 780 size_t fw_len; 781 782 u8 *fw_patch; 783 size_t fw_patch_len; 784 785 u8 *fw_testscript; 786 size_t fw_testscript_len; 787 788 unsigned int fw_api; 789 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN]; 790 791 struct workqueue_struct *ath6kl_wq; 792 793 struct dentry *debugfs_phy; 794 795 bool p2p; 796 797 bool wiphy_registered; 798 799 struct ath6kl_fw_recovery { 800 bool enable; 801 struct work_struct recovery_work; 802 unsigned long err_reason; 803 } fw_recovery; 804 805 #ifdef CONFIG_ATH6KL_DEBUG 806 struct { 807 struct sk_buff_head fwlog_queue; 808 struct completion fwlog_completion; 809 bool fwlog_open; 810 811 u32 fwlog_mask; 812 813 unsigned int dbgfs_diag_reg; 814 u32 diag_reg_addr_wr; 815 u32 diag_reg_val_wr; 816 817 struct { 818 unsigned int invalid_rate; 819 } war_stats; 820 821 u8 *roam_tbl; 822 unsigned int roam_tbl_len; 823 824 u8 keepalive; 825 u8 disc_timeout; 826 } debug; 827 #endif /* CONFIG_ATH6KL_DEBUG */ 828 }; 829 830 static inline struct ath6kl *ath6kl_priv(struct net_device *dev) 831 { 832 return ((struct ath6kl_vif *) netdev_priv(dev))->ar; 833 } 834 835 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar, 836 u32 item_offset) 837 { 838 u32 addr = 0; 839 840 if (ar->target_type == TARGET_TYPE_AR6003) 841 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset; 842 else if (ar->target_type == TARGET_TYPE_AR6004) 843 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset; 844 845 return addr; 846 } 847 848 int ath6kl_configure_target(struct ath6kl *ar); 849 void ath6kl_detect_error(unsigned long ptr); 850 void disconnect_timer_handler(unsigned long ptr); 851 void init_netdev(struct net_device *dev); 852 void ath6kl_cookie_init(struct ath6kl *ar); 853 void ath6kl_cookie_cleanup(struct ath6kl *ar); 854 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet); 855 void ath6kl_tx_complete(struct htc_target *context, 856 struct list_head *packet_queue); 857 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, 858 struct htc_packet *packet); 859 void ath6kl_stop_txrx(struct ath6kl *ar); 860 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar); 861 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value); 862 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length); 863 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value); 864 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length); 865 int ath6kl_read_fwlogs(struct ath6kl *ar); 866 void ath6kl_init_profile_info(struct ath6kl_vif *vif); 867 void ath6kl_tx_data_cleanup(struct ath6kl *ar); 868 869 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar); 870 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie); 871 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); 872 873 struct aggr_info *aggr_init(struct ath6kl_vif *vif); 874 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info, 875 struct aggr_info_conn *aggr_conn); 876 void ath6kl_rx_refill(struct htc_target *target, 877 enum htc_endpoint_id endpoint); 878 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count); 879 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target, 880 enum htc_endpoint_id endpoint, 881 int len); 882 void aggr_module_destroy(struct aggr_info *aggr_info); 883 void aggr_reset_state(struct aggr_info_conn *aggr_conn); 884 885 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr); 886 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid); 887 888 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 889 enum wmi_phy_cap cap); 890 int ath6kl_control_tx(void *devt, struct sk_buff *skb, 891 enum htc_endpoint_id eid); 892 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, 893 u8 *bssid, u16 listen_int, 894 u16 beacon_int, enum network_type net_type, 895 u8 beacon_ie_len, u8 assoc_req_len, 896 u8 assoc_resp_len, u8 *assoc_info); 897 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel); 898 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 899 u8 keymgmt, u8 ucipher, u8 auth, 900 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info); 901 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, 902 u8 *bssid, u8 assoc_resp_len, 903 u8 *assoc_info, u16 prot_reason_status); 904 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast); 905 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr); 906 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status); 907 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len); 908 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active); 909 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac); 910 911 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid); 912 913 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif); 914 void ath6kl_disconnect(struct ath6kl_vif *vif); 915 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid); 916 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no, 917 u8 win_sz); 918 void ath6kl_wakeup_event(void *dev); 919 920 void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 921 bool wait_fot_compltn, bool cold_reset); 922 void ath6kl_init_control_info(struct ath6kl_vif *vif); 923 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar); 924 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready); 925 int ath6kl_init_hw_start(struct ath6kl *ar); 926 int ath6kl_init_hw_stop(struct ath6kl *ar); 927 int ath6kl_init_fetch_firmwares(struct ath6kl *ar); 928 int ath6kl_init_hw_params(struct ath6kl *ar); 929 930 void ath6kl_check_wow_status(struct ath6kl *ar); 931 932 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb); 933 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe); 934 935 struct ath6kl *ath6kl_core_create(struct device *dev); 936 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type); 937 void ath6kl_core_cleanup(struct ath6kl *ar); 938 void ath6kl_core_destroy(struct ath6kl *ar); 939 940 /* Fw error recovery */ 941 void ath6kl_init_hw_restart(struct ath6kl *ar); 942 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason); 943 void ath6kl_recovery_init(struct ath6kl *ar); 944 void ath6kl_recovery_cleanup(struct ath6kl *ar); 945 void ath6kl_recovery_suspend(struct ath6kl *ar); 946 #endif /* CORE_H */ 947