1 /* 2 * Copyright (c) 2005-2011 Atheros Communications Inc. 3 * Copyright (c) 2011-2013 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/completion.h> 22 #include <linux/if_ether.h> 23 #include <linux/types.h> 24 #include <linux/pci.h> 25 #include <linux/uuid.h> 26 #include <linux/time.h> 27 28 #include "htt.h" 29 #include "htc.h" 30 #include "hw.h" 31 #include "targaddrs.h" 32 #include "wmi.h" 33 #include "../ath.h" 34 #include "../regd.h" 35 #include "../dfs_pattern_detector.h" 36 #include "spectral.h" 37 #include "thermal.h" 38 #include "wow.h" 39 #include "swap.h" 40 41 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB) 42 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) 43 #define WO(_f) ((_f##_OFFSET) >> 2) 44 45 #define ATH10K_SCAN_ID 0 46 #define WMI_READY_TIMEOUT (5 * HZ) 47 #define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ) 48 #define ATH10K_CONNECTION_LOSS_HZ (3 * HZ) 49 #define ATH10K_NUM_CHANS 40 50 51 /* Antenna noise floor */ 52 #define ATH10K_DEFAULT_NOISE_FLOOR -95 53 54 #define ATH10K_MAX_NUM_MGMT_PENDING 128 55 56 /* number of failed packets (20 packets with 16 sw reties each) */ 57 #define ATH10K_KICKOUT_THRESHOLD (20 * 16) 58 59 /* 60 * Use insanely high numbers to make sure that the firmware implementation 61 * won't start, we have the same functionality already in hostapd. Unit 62 * is seconds. 63 */ 64 #define ATH10K_KEEPALIVE_MIN_IDLE 3747 65 #define ATH10K_KEEPALIVE_MAX_IDLE 3895 66 #define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900 67 68 /* NAPI poll budget */ 69 #define ATH10K_NAPI_BUDGET 64 70 #define ATH10K_NAPI_QUOTA_LIMIT 60 71 72 struct ath10k; 73 74 enum ath10k_bus { 75 ATH10K_BUS_PCI, 76 ATH10K_BUS_AHB, 77 }; 78 79 static inline const char *ath10k_bus_str(enum ath10k_bus bus) 80 { 81 switch (bus) { 82 case ATH10K_BUS_PCI: 83 return "pci"; 84 case ATH10K_BUS_AHB: 85 return "ahb"; 86 } 87 88 return "unknown"; 89 } 90 91 enum ath10k_skb_flags { 92 ATH10K_SKB_F_NO_HWCRYPT = BIT(0), 93 ATH10K_SKB_F_DTIM_ZERO = BIT(1), 94 ATH10K_SKB_F_DELIVER_CAB = BIT(2), 95 ATH10K_SKB_F_MGMT = BIT(3), 96 ATH10K_SKB_F_QOS = BIT(4), 97 }; 98 99 struct ath10k_skb_cb { 100 dma_addr_t paddr; 101 u8 flags; 102 u8 eid; 103 u16 msdu_id; 104 struct ieee80211_vif *vif; 105 struct ieee80211_txq *txq; 106 } __packed; 107 108 struct ath10k_skb_rxcb { 109 dma_addr_t paddr; 110 struct hlist_node hlist; 111 }; 112 113 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb) 114 { 115 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) > 116 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 117 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; 118 } 119 120 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb) 121 { 122 BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb)); 123 return (struct ath10k_skb_rxcb *)skb->cb; 124 } 125 126 #define ATH10K_RXCB_SKB(rxcb) \ 127 container_of((void *)rxcb, struct sk_buff, cb) 128 129 static inline u32 host_interest_item_address(u32 item_offset) 130 { 131 return QCA988X_HOST_INTEREST_ADDRESS + item_offset; 132 } 133 134 struct ath10k_bmi { 135 bool done_sent; 136 }; 137 138 struct ath10k_mem_chunk { 139 void *vaddr; 140 dma_addr_t paddr; 141 u32 len; 142 u32 req_id; 143 }; 144 145 struct ath10k_wmi { 146 enum ath10k_htc_ep_id eid; 147 struct completion service_ready; 148 struct completion unified_ready; 149 struct completion barrier; 150 wait_queue_head_t tx_credits_wq; 151 DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX); 152 struct wmi_cmd_map *cmd; 153 struct wmi_vdev_param_map *vdev_param; 154 struct wmi_pdev_param_map *pdev_param; 155 const struct wmi_ops *ops; 156 const struct wmi_peer_flags_map *peer_flags; 157 158 u32 num_mem_chunks; 159 u32 rx_decap_mode; 160 struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; 161 }; 162 163 struct ath10k_fw_stats_peer { 164 struct list_head list; 165 166 u8 peer_macaddr[ETH_ALEN]; 167 u32 peer_rssi; 168 u32 peer_tx_rate; 169 u32 peer_rx_rate; /* 10x only */ 170 u32 rx_duration; 171 }; 172 173 struct ath10k_fw_extd_stats_peer { 174 struct list_head list; 175 176 u8 peer_macaddr[ETH_ALEN]; 177 u32 rx_duration; 178 }; 179 180 struct ath10k_fw_stats_vdev { 181 struct list_head list; 182 183 u32 vdev_id; 184 u32 beacon_snr; 185 u32 data_snr; 186 u32 num_tx_frames[4]; 187 u32 num_rx_frames; 188 u32 num_tx_frames_retries[4]; 189 u32 num_tx_frames_failures[4]; 190 u32 num_rts_fail; 191 u32 num_rts_success; 192 u32 num_rx_err; 193 u32 num_rx_discard; 194 u32 num_tx_not_acked; 195 u32 tx_rate_history[10]; 196 u32 beacon_rssi_history[10]; 197 }; 198 199 struct ath10k_fw_stats_pdev { 200 struct list_head list; 201 202 /* PDEV stats */ 203 s32 ch_noise_floor; 204 u32 tx_frame_count; /* Cycles spent transmitting frames */ 205 u32 rx_frame_count; /* Cycles spent receiving frames */ 206 u32 rx_clear_count; /* Total channel busy time, evidently */ 207 u32 cycle_count; /* Total on-channel time */ 208 u32 phy_err_count; 209 u32 chan_tx_power; 210 u32 ack_rx_bad; 211 u32 rts_bad; 212 u32 rts_good; 213 u32 fcs_bad; 214 u32 no_beacons; 215 u32 mib_int_count; 216 217 /* PDEV TX stats */ 218 s32 comp_queued; 219 s32 comp_delivered; 220 s32 msdu_enqued; 221 s32 mpdu_enqued; 222 s32 wmm_drop; 223 s32 local_enqued; 224 s32 local_freed; 225 s32 hw_queued; 226 s32 hw_reaped; 227 s32 underrun; 228 u32 hw_paused; 229 s32 tx_abort; 230 s32 mpdus_requed; 231 u32 tx_ko; 232 u32 data_rc; 233 u32 self_triggers; 234 u32 sw_retry_failure; 235 u32 illgl_rate_phy_err; 236 u32 pdev_cont_xretry; 237 u32 pdev_tx_timeout; 238 u32 pdev_resets; 239 u32 phy_underrun; 240 u32 txop_ovf; 241 u32 seq_posted; 242 u32 seq_failed_queueing; 243 u32 seq_completed; 244 u32 seq_restarted; 245 u32 mu_seq_posted; 246 u32 mpdus_sw_flush; 247 u32 mpdus_hw_filter; 248 u32 mpdus_truncated; 249 u32 mpdus_ack_failed; 250 u32 mpdus_expired; 251 252 /* PDEV RX stats */ 253 s32 mid_ppdu_route_change; 254 s32 status_rcvd; 255 s32 r0_frags; 256 s32 r1_frags; 257 s32 r2_frags; 258 s32 r3_frags; 259 s32 htt_msdus; 260 s32 htt_mpdus; 261 s32 loc_msdus; 262 s32 loc_mpdus; 263 s32 oversize_amsdu; 264 s32 phy_errs; 265 s32 phy_err_drop; 266 s32 mpdu_errs; 267 s32 rx_ovfl_errs; 268 }; 269 270 struct ath10k_fw_stats { 271 bool extended; 272 struct list_head pdevs; 273 struct list_head vdevs; 274 struct list_head peers; 275 struct list_head peers_extd; 276 }; 277 278 #define ATH10K_TPC_TABLE_TYPE_FLAG 1 279 #define ATH10K_TPC_PREAM_TABLE_END 0xFFFF 280 281 struct ath10k_tpc_table { 282 u32 pream_idx[WMI_TPC_RATE_MAX]; 283 u8 rate_code[WMI_TPC_RATE_MAX]; 284 char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; 285 }; 286 287 struct ath10k_tpc_stats { 288 u32 reg_domain; 289 u32 chan_freq; 290 u32 phy_mode; 291 u32 twice_antenna_reduction; 292 u32 twice_max_rd_power; 293 s32 twice_antenna_gain; 294 u32 power_limit; 295 u32 num_tx_chain; 296 u32 ctl; 297 u32 rate_max; 298 u8 flag[WMI_TPC_FLAG]; 299 struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG]; 300 }; 301 302 struct ath10k_dfs_stats { 303 u32 phy_errors; 304 u32 pulses_total; 305 u32 pulses_detected; 306 u32 pulses_discarded; 307 u32 radar_detected; 308 }; 309 310 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ 311 312 struct ath10k_peer { 313 struct list_head list; 314 struct ieee80211_vif *vif; 315 struct ieee80211_sta *sta; 316 317 bool removed; 318 int vdev_id; 319 u8 addr[ETH_ALEN]; 320 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS); 321 322 /* protected by ar->data_lock */ 323 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1]; 324 }; 325 326 struct ath10k_txq { 327 struct list_head list; 328 unsigned long num_fw_queued; 329 unsigned long num_push_allowed; 330 }; 331 332 struct ath10k_sta { 333 struct ath10k_vif *arvif; 334 335 /* the following are protected by ar->data_lock */ 336 u32 changed; /* IEEE80211_RC_* */ 337 u32 bw; 338 u32 nss; 339 u32 smps; 340 u16 peer_id; 341 struct rate_info txrate; 342 343 struct work_struct update_wk; 344 345 #ifdef CONFIG_MAC80211_DEBUGFS 346 /* protected by conf_mutex */ 347 bool aggr_mode; 348 u64 rx_duration; 349 #endif 350 }; 351 352 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5 * HZ) 353 354 enum ath10k_beacon_state { 355 ATH10K_BEACON_SCHEDULED = 0, 356 ATH10K_BEACON_SENDING, 357 ATH10K_BEACON_SENT, 358 }; 359 360 struct ath10k_vif { 361 struct list_head list; 362 363 u32 vdev_id; 364 u16 peer_id; 365 enum wmi_vdev_type vdev_type; 366 enum wmi_vdev_subtype vdev_subtype; 367 u32 beacon_interval; 368 u32 dtim_period; 369 struct sk_buff *beacon; 370 /* protected by data_lock */ 371 enum ath10k_beacon_state beacon_state; 372 void *beacon_buf; 373 dma_addr_t beacon_paddr; 374 unsigned long tx_paused; /* arbitrary values defined by target */ 375 376 struct ath10k *ar; 377 struct ieee80211_vif *vif; 378 379 bool is_started; 380 bool is_up; 381 bool spectral_enabled; 382 bool ps; 383 u32 aid; 384 u8 bssid[ETH_ALEN]; 385 386 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; 387 s8 def_wep_key_idx; 388 389 u16 tx_seq_no; 390 391 union { 392 struct { 393 u32 uapsd; 394 } sta; 395 struct { 396 /* 512 stations */ 397 u8 tim_bitmap[64]; 398 u8 tim_len; 399 u32 ssid_len; 400 u8 ssid[IEEE80211_MAX_SSID_LEN]; 401 bool hidden_ssid; 402 /* P2P_IE with NoA attribute for P2P_GO case */ 403 u32 noa_len; 404 u8 *noa_data; 405 } ap; 406 } u; 407 408 bool use_cts_prot; 409 bool nohwcrypt; 410 int num_legacy_stations; 411 int txpower; 412 struct wmi_wmm_params_all_arg wmm_params; 413 struct work_struct ap_csa_work; 414 struct delayed_work connection_loss_work; 415 struct cfg80211_bitrate_mask bitrate_mask; 416 }; 417 418 struct ath10k_vif_iter { 419 u32 vdev_id; 420 struct ath10k_vif *arvif; 421 }; 422 423 /* Copy Engine register dump, protected by ce-lock */ 424 struct ath10k_ce_crash_data { 425 __le32 base_addr; 426 __le32 src_wr_idx; 427 __le32 src_r_idx; 428 __le32 dst_wr_idx; 429 __le32 dst_r_idx; 430 }; 431 432 struct ath10k_ce_crash_hdr { 433 __le32 ce_count; 434 __le32 reserved[3]; /* for future use */ 435 struct ath10k_ce_crash_data entries[]; 436 }; 437 438 /* used for crash-dump storage, protected by data-lock */ 439 struct ath10k_fw_crash_data { 440 bool crashed_since_read; 441 442 uuid_le uuid; 443 struct timespec timestamp; 444 __le32 registers[REG_DUMP_COUNT_QCA988X]; 445 struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX]; 446 }; 447 448 struct ath10k_debug { 449 struct dentry *debugfs_phy; 450 451 struct ath10k_fw_stats fw_stats; 452 struct completion fw_stats_complete; 453 bool fw_stats_done; 454 455 unsigned long htt_stats_mask; 456 struct delayed_work htt_stats_dwork; 457 struct ath10k_dfs_stats dfs_stats; 458 struct ath_dfs_pool_stats dfs_pool_stats; 459 460 /* used for tpc-dump storage, protected by data-lock */ 461 struct ath10k_tpc_stats *tpc_stats; 462 463 struct completion tpc_complete; 464 465 /* protected by conf_mutex */ 466 u64 fw_dbglog_mask; 467 u32 fw_dbglog_level; 468 u32 pktlog_filter; 469 u32 reg_addr; 470 u32 nf_cal_period; 471 void *cal_data; 472 473 struct ath10k_fw_crash_data *fw_crash_data; 474 }; 475 476 enum ath10k_state { 477 ATH10K_STATE_OFF = 0, 478 ATH10K_STATE_ON, 479 480 /* When doing firmware recovery the device is first powered down. 481 * mac80211 is supposed to call in to start() hook later on. It is 482 * however possible that driver unloading and firmware crash overlap. 483 * mac80211 can wait on conf_mutex in stop() while the device is 484 * stopped in ath10k_core_restart() work holding conf_mutex. The state 485 * RESTARTED means that the device is up and mac80211 has started hw 486 * reconfiguration. Once mac80211 is done with the reconfiguration we 487 * set the state to STATE_ON in reconfig_complete(). */ 488 ATH10K_STATE_RESTARTING, 489 ATH10K_STATE_RESTARTED, 490 491 /* The device has crashed while restarting hw. This state is like ON 492 * but commands are blocked in HTC and -ECOMM response is given. This 493 * prevents completion timeouts and makes the driver more responsive to 494 * userspace commands. This is also prevents recursive recovery. */ 495 ATH10K_STATE_WEDGED, 496 497 /* factory tests */ 498 ATH10K_STATE_UTF, 499 }; 500 501 enum ath10k_firmware_mode { 502 /* the default mode, standard 802.11 functionality */ 503 ATH10K_FIRMWARE_MODE_NORMAL, 504 505 /* factory tests etc */ 506 ATH10K_FIRMWARE_MODE_UTF, 507 }; 508 509 enum ath10k_fw_features { 510 /* wmi_mgmt_rx_hdr contains extra RSSI information */ 511 ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0, 512 513 /* Firmware from 10X branch. Deprecated, don't use in new code. */ 514 ATH10K_FW_FEATURE_WMI_10X = 1, 515 516 /* firmware support tx frame management over WMI, otherwise it's HTT */ 517 ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2, 518 519 /* Firmware does not support P2P */ 520 ATH10K_FW_FEATURE_NO_P2P = 3, 521 522 /* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature 523 * bit is required to be set as well. Deprecated, don't use in new 524 * code. 525 */ 526 ATH10K_FW_FEATURE_WMI_10_2 = 4, 527 528 /* Some firmware revisions lack proper multi-interface client powersave 529 * implementation. Enabling PS could result in connection drops, 530 * traffic stalls, etc. 531 */ 532 ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5, 533 534 /* Some firmware revisions have an incomplete WoWLAN implementation 535 * despite WMI service bit being advertised. This feature flag is used 536 * to distinguish whether WoWLAN is really supported or not. 537 */ 538 ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6, 539 540 /* Don't trust error code from otp.bin */ 541 ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7, 542 543 /* Some firmware revisions pad 4th hw address to 4 byte boundary making 544 * it 8 bytes long in Native Wifi Rx decap. 545 */ 546 ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8, 547 548 /* Firmware supports bypassing PLL setting on init. */ 549 ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9, 550 551 /* Raw mode support. If supported, FW supports receiving and trasmitting 552 * frames in raw mode. 553 */ 554 ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10, 555 556 /* Firmware Supports Adaptive CCA*/ 557 ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11, 558 559 /* Firmware supports management frame protection */ 560 ATH10K_FW_FEATURE_MFP_SUPPORT = 12, 561 562 /* Firmware supports pull-push model where host shares it's software 563 * queue state with firmware and firmware generates fetch requests 564 * telling host which queues to dequeue tx from. 565 * 566 * Primary function of this is improved MU-MIMO performance with 567 * multiple clients. 568 */ 569 ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13, 570 571 /* Firmware supports BT-Coex without reloading firmware via pdev param. 572 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of 573 * extended resource config should be enabled always. This firmware IE 574 * is used to configure WMI_COEX_GPIO_SUPPORT. 575 */ 576 ATH10K_FW_FEATURE_BTCOEX_PARAM = 14, 577 578 /* Unused flag and proven to be not working, enable this if you want 579 * to experiment sending NULL func data frames in HTT TX 580 */ 581 ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15, 582 583 /* Firmware allow other BSS mesh broadcast/multicast frames without 584 * creating monitor interface. Appropriate rxfilters are programmed for 585 * mesh vdev by firmware itself. This feature flags will be used for 586 * not creating monitor vdev while configuring mesh node. 587 */ 588 ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16, 589 590 /* keep last */ 591 ATH10K_FW_FEATURE_COUNT, 592 }; 593 594 enum ath10k_dev_flags { 595 /* Indicates that ath10k device is during CAC phase of DFS */ 596 ATH10K_CAC_RUNNING, 597 ATH10K_FLAG_CORE_REGISTERED, 598 599 /* Device has crashed and needs to restart. This indicates any pending 600 * waiters should immediately cancel instead of waiting for a time out. 601 */ 602 ATH10K_FLAG_CRASH_FLUSH, 603 604 /* Use Raw mode instead of native WiFi Tx/Rx encap mode. 605 * Raw mode supports both hardware and software crypto. Native WiFi only 606 * supports hardware crypto. 607 */ 608 ATH10K_FLAG_RAW_MODE, 609 610 /* Disable HW crypto engine */ 611 ATH10K_FLAG_HW_CRYPTO_DISABLED, 612 613 /* Bluetooth coexistance enabled */ 614 ATH10K_FLAG_BTCOEX, 615 616 /* Per Station statistics service */ 617 ATH10K_FLAG_PEER_STATS, 618 }; 619 620 enum ath10k_cal_mode { 621 ATH10K_CAL_MODE_FILE, 622 ATH10K_CAL_MODE_OTP, 623 ATH10K_CAL_MODE_DT, 624 ATH10K_PRE_CAL_MODE_FILE, 625 ATH10K_PRE_CAL_MODE_DT, 626 ATH10K_CAL_MODE_EEPROM, 627 }; 628 629 enum ath10k_crypt_mode { 630 /* Only use hardware crypto engine */ 631 ATH10K_CRYPT_MODE_HW, 632 /* Only use software crypto engine */ 633 ATH10K_CRYPT_MODE_SW, 634 }; 635 636 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) 637 { 638 switch (mode) { 639 case ATH10K_CAL_MODE_FILE: 640 return "file"; 641 case ATH10K_CAL_MODE_OTP: 642 return "otp"; 643 case ATH10K_CAL_MODE_DT: 644 return "dt"; 645 case ATH10K_PRE_CAL_MODE_FILE: 646 return "pre-cal-file"; 647 case ATH10K_PRE_CAL_MODE_DT: 648 return "pre-cal-dt"; 649 case ATH10K_CAL_MODE_EEPROM: 650 return "eeprom"; 651 } 652 653 return "unknown"; 654 } 655 656 enum ath10k_scan_state { 657 ATH10K_SCAN_IDLE, 658 ATH10K_SCAN_STARTING, 659 ATH10K_SCAN_RUNNING, 660 ATH10K_SCAN_ABORTING, 661 }; 662 663 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state) 664 { 665 switch (state) { 666 case ATH10K_SCAN_IDLE: 667 return "idle"; 668 case ATH10K_SCAN_STARTING: 669 return "starting"; 670 case ATH10K_SCAN_RUNNING: 671 return "running"; 672 case ATH10K_SCAN_ABORTING: 673 return "aborting"; 674 } 675 676 return "unknown"; 677 } 678 679 enum ath10k_tx_pause_reason { 680 ATH10K_TX_PAUSE_Q_FULL, 681 ATH10K_TX_PAUSE_MAX, 682 }; 683 684 struct ath10k_fw_file { 685 const struct firmware *firmware; 686 687 char fw_version[ETHTOOL_FWVERS_LEN]; 688 689 DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT); 690 691 enum ath10k_fw_wmi_op_version wmi_op_version; 692 enum ath10k_fw_htt_op_version htt_op_version; 693 694 const void *firmware_data; 695 size_t firmware_len; 696 697 const void *otp_data; 698 size_t otp_len; 699 700 const void *codeswap_data; 701 size_t codeswap_len; 702 703 /* The original idea of struct ath10k_fw_file was that it only 704 * contains struct firmware and pointers to various parts (actual 705 * firmware binary, otp, metadata etc) of the file. This seg_info 706 * is actually created separate but as this is used similarly as 707 * the other firmware components it's more convenient to have it 708 * here. 709 */ 710 struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info; 711 }; 712 713 struct ath10k_fw_components { 714 const struct firmware *board; 715 const void *board_data; 716 size_t board_len; 717 718 struct ath10k_fw_file fw_file; 719 }; 720 721 struct ath10k_per_peer_tx_stats { 722 u32 succ_bytes; 723 u32 retry_bytes; 724 u32 failed_bytes; 725 u8 ratecode; 726 u8 flags; 727 u16 peer_id; 728 u16 succ_pkts; 729 u16 retry_pkts; 730 u16 failed_pkts; 731 u16 duration; 732 u32 reserved1; 733 u32 reserved2; 734 }; 735 736 struct ath10k { 737 struct ath_common ath_common; 738 struct ieee80211_hw *hw; 739 struct ieee80211_ops *ops; 740 struct device *dev; 741 u8 mac_addr[ETH_ALEN]; 742 743 enum ath10k_hw_rev hw_rev; 744 u16 dev_id; 745 u32 chip_id; 746 u32 target_version; 747 u8 fw_version_major; 748 u32 fw_version_minor; 749 u16 fw_version_release; 750 u16 fw_version_build; 751 u32 fw_stats_req_mask; 752 u32 phy_capability; 753 u32 hw_min_tx_power; 754 u32 hw_max_tx_power; 755 u32 hw_eeprom_rd; 756 u32 ht_cap_info; 757 u32 vht_cap_info; 758 u32 num_rf_chains; 759 u32 max_spatial_stream; 760 /* protected by conf_mutex */ 761 bool ani_enabled; 762 763 bool p2p; 764 765 struct { 766 enum ath10k_bus bus; 767 const struct ath10k_hif_ops *ops; 768 } hif; 769 770 struct completion target_suspend; 771 772 const struct ath10k_hw_regs *regs; 773 const struct ath10k_hw_values *hw_values; 774 struct ath10k_bmi bmi; 775 struct ath10k_wmi wmi; 776 struct ath10k_htc htc; 777 struct ath10k_htt htt; 778 779 struct ath10k_hw_params hw_params; 780 781 /* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */ 782 struct ath10k_fw_components normal_mode_fw; 783 784 /* READ-ONLY images of the running firmware, which can be either 785 * normal or UTF. Do not modify, release etc! 786 */ 787 const struct ath10k_fw_components *running_fw; 788 789 const struct firmware *pre_cal_file; 790 const struct firmware *cal_file; 791 792 struct { 793 u32 vendor; 794 u32 device; 795 u32 subsystem_vendor; 796 u32 subsystem_device; 797 798 bool bmi_ids_valid; 799 u8 bmi_board_id; 800 u8 bmi_chip_id; 801 } id; 802 803 int fw_api; 804 int bd_api; 805 enum ath10k_cal_mode cal_mode; 806 807 struct { 808 struct completion started; 809 struct completion completed; 810 struct completion on_channel; 811 struct delayed_work timeout; 812 enum ath10k_scan_state state; 813 bool is_roc; 814 int vdev_id; 815 int roc_freq; 816 bool roc_notify; 817 } scan; 818 819 struct { 820 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 821 } mac; 822 823 /* should never be NULL; needed for regular htt rx */ 824 struct ieee80211_channel *rx_channel; 825 826 /* valid during scan; needed for mgmt rx during scan */ 827 struct ieee80211_channel *scan_channel; 828 829 /* current operating channel definition */ 830 struct cfg80211_chan_def chandef; 831 832 /* currently configured operating channel in firmware */ 833 struct ieee80211_channel *tgt_oper_chan; 834 835 unsigned long long free_vdev_map; 836 struct ath10k_vif *monitor_arvif; 837 bool monitor; 838 int monitor_vdev_id; 839 bool monitor_started; 840 unsigned int filter_flags; 841 unsigned long dev_flags; 842 bool dfs_block_radar_events; 843 844 /* protected by conf_mutex */ 845 bool radar_enabled; 846 int num_started_vdevs; 847 848 /* Protected by conf-mutex */ 849 u8 cfg_tx_chainmask; 850 u8 cfg_rx_chainmask; 851 852 struct completion install_key_done; 853 854 struct completion vdev_setup_done; 855 856 struct workqueue_struct *workqueue; 857 /* Auxiliary workqueue */ 858 struct workqueue_struct *workqueue_aux; 859 860 /* prevents concurrent FW reconfiguration */ 861 struct mutex conf_mutex; 862 863 /* protects shared structure data */ 864 spinlock_t data_lock; 865 /* protects: ar->txqs, artxq->list */ 866 spinlock_t txqs_lock; 867 868 struct list_head txqs; 869 struct list_head arvifs; 870 struct list_head peers; 871 struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS]; 872 wait_queue_head_t peer_mapping_wq; 873 874 /* protected by conf_mutex */ 875 int num_peers; 876 int num_stations; 877 878 int max_num_peers; 879 int max_num_stations; 880 int max_num_vdevs; 881 int max_num_tdls_vdevs; 882 int num_active_peers; 883 int num_tids; 884 885 struct work_struct svc_rdy_work; 886 struct sk_buff *svc_rdy_skb; 887 888 struct work_struct offchan_tx_work; 889 struct sk_buff_head offchan_tx_queue; 890 struct completion offchan_tx_completed; 891 struct sk_buff *offchan_tx_skb; 892 893 struct work_struct wmi_mgmt_tx_work; 894 struct sk_buff_head wmi_mgmt_tx_queue; 895 896 enum ath10k_state state; 897 898 struct work_struct register_work; 899 struct work_struct restart_work; 900 901 /* cycle count is reported twice for each visited channel during scan. 902 * access protected by data_lock */ 903 u32 survey_last_rx_clear_count; 904 u32 survey_last_cycle_count; 905 struct survey_info survey[ATH10K_NUM_CHANS]; 906 907 /* Channel info events are expected to come in pairs without and with 908 * COMPLETE flag set respectively for each channel visit during scan. 909 * 910 * However there are deviations from this rule. This flag is used to 911 * avoid reporting garbage data. 912 */ 913 bool ch_info_can_report_survey; 914 struct completion bss_survey_done; 915 916 struct dfs_pattern_detector *dfs_detector; 917 918 unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */ 919 920 #ifdef CONFIG_ATH10K_DEBUGFS 921 struct ath10k_debug debug; 922 struct { 923 /* relay(fs) channel for spectral scan */ 924 struct rchan *rfs_chan_spec_scan; 925 926 /* spectral_mode and spec_config are protected by conf_mutex */ 927 enum ath10k_spectral_mode mode; 928 struct ath10k_spec_scan config; 929 } spectral; 930 #endif 931 932 struct { 933 /* protected by conf_mutex */ 934 struct ath10k_fw_components utf_mode_fw; 935 936 /* protected by data_lock */ 937 bool utf_monitor; 938 } testmode; 939 940 struct { 941 /* protected by data_lock */ 942 u32 fw_crash_counter; 943 u32 fw_warm_reset_counter; 944 u32 fw_cold_reset_counter; 945 } stats; 946 947 struct ath10k_thermal thermal; 948 struct ath10k_wow wow; 949 struct ath10k_per_peer_tx_stats peer_tx_stats; 950 951 /* NAPI */ 952 struct net_device napi_dev; 953 struct napi_struct napi; 954 955 struct work_struct set_coverage_class_work; 956 /* protected by conf_mutex */ 957 struct { 958 /* writing also protected by data_lock */ 959 s16 coverage_class; 960 961 u32 reg_phyclk; 962 u32 reg_slottime_conf; 963 u32 reg_slottime_orig; 964 u32 reg_ack_cts_timeout_conf; 965 u32 reg_ack_cts_timeout_orig; 966 } fw_coverage; 967 968 /* must be last */ 969 u8 drv_priv[0] __aligned(sizeof(void *)); 970 }; 971 972 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar) 973 { 974 if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) && 975 test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) 976 return true; 977 978 return false; 979 } 980 981 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 982 enum ath10k_bus bus, 983 enum ath10k_hw_rev hw_rev, 984 const struct ath10k_hif_ops *hif_ops); 985 void ath10k_core_destroy(struct ath10k *ar); 986 void ath10k_core_get_fw_features_str(struct ath10k *ar, 987 char *buf, 988 size_t max_len); 989 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, 990 struct ath10k_fw_file *fw_file); 991 992 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, 993 const struct ath10k_fw_components *fw_components); 994 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt); 995 void ath10k_core_stop(struct ath10k *ar); 996 int ath10k_core_register(struct ath10k *ar, u32 chip_id); 997 void ath10k_core_unregister(struct ath10k *ar); 998 999 #endif /* _CORE_H_ */ 1000