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 /* SMBIOS type containing Board Data File Name Extension */ 73 #define ATH10K_SMBIOS_BDF_EXT_TYPE 0xF8 74 75 /* SMBIOS type structure length (excluding strings-set) */ 76 #define ATH10K_SMBIOS_BDF_EXT_LENGTH 0x9 77 78 /* Offset pointing to Board Data File Name Extension */ 79 #define ATH10K_SMBIOS_BDF_EXT_OFFSET 0x8 80 81 /* Board Data File Name Extension string length. 82 * String format: BDF_<Customer ID>_<Extension>\0 83 */ 84 #define ATH10K_SMBIOS_BDF_EXT_STR_LENGTH 0x20 85 86 /* The magic used by QCA spec */ 87 #define ATH10K_SMBIOS_BDF_EXT_MAGIC "BDF_" 88 89 struct ath10k; 90 91 enum ath10k_bus { 92 ATH10K_BUS_PCI, 93 ATH10K_BUS_AHB, 94 ATH10K_BUS_SDIO, 95 }; 96 97 static inline const char *ath10k_bus_str(enum ath10k_bus bus) 98 { 99 switch (bus) { 100 case ATH10K_BUS_PCI: 101 return "pci"; 102 case ATH10K_BUS_AHB: 103 return "ahb"; 104 case ATH10K_BUS_SDIO: 105 return "sdio"; 106 } 107 108 return "unknown"; 109 } 110 111 enum ath10k_skb_flags { 112 ATH10K_SKB_F_NO_HWCRYPT = BIT(0), 113 ATH10K_SKB_F_DTIM_ZERO = BIT(1), 114 ATH10K_SKB_F_DELIVER_CAB = BIT(2), 115 ATH10K_SKB_F_MGMT = BIT(3), 116 ATH10K_SKB_F_QOS = BIT(4), 117 }; 118 119 struct ath10k_skb_cb { 120 dma_addr_t paddr; 121 u8 flags; 122 u8 eid; 123 u16 msdu_id; 124 struct ieee80211_vif *vif; 125 struct ieee80211_txq *txq; 126 } __packed; 127 128 struct ath10k_skb_rxcb { 129 dma_addr_t paddr; 130 struct hlist_node hlist; 131 }; 132 133 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb) 134 { 135 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) > 136 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 137 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; 138 } 139 140 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb) 141 { 142 BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb)); 143 return (struct ath10k_skb_rxcb *)skb->cb; 144 } 145 146 #define ATH10K_RXCB_SKB(rxcb) \ 147 container_of((void *)rxcb, struct sk_buff, cb) 148 149 static inline u32 host_interest_item_address(u32 item_offset) 150 { 151 return QCA988X_HOST_INTEREST_ADDRESS + item_offset; 152 } 153 154 struct ath10k_bmi { 155 bool done_sent; 156 }; 157 158 struct ath10k_mem_chunk { 159 void *vaddr; 160 dma_addr_t paddr; 161 u32 len; 162 u32 req_id; 163 }; 164 165 struct ath10k_wmi { 166 enum ath10k_htc_ep_id eid; 167 struct completion service_ready; 168 struct completion unified_ready; 169 struct completion barrier; 170 wait_queue_head_t tx_credits_wq; 171 DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX); 172 struct wmi_cmd_map *cmd; 173 struct wmi_vdev_param_map *vdev_param; 174 struct wmi_pdev_param_map *pdev_param; 175 const struct wmi_ops *ops; 176 const struct wmi_peer_flags_map *peer_flags; 177 178 u32 num_mem_chunks; 179 u32 rx_decap_mode; 180 struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; 181 }; 182 183 struct ath10k_fw_stats_peer { 184 struct list_head list; 185 186 u8 peer_macaddr[ETH_ALEN]; 187 u32 peer_rssi; 188 u32 peer_tx_rate; 189 u32 peer_rx_rate; /* 10x only */ 190 u32 rx_duration; 191 }; 192 193 struct ath10k_fw_extd_stats_peer { 194 struct list_head list; 195 196 u8 peer_macaddr[ETH_ALEN]; 197 u32 rx_duration; 198 }; 199 200 struct ath10k_fw_stats_vdev { 201 struct list_head list; 202 203 u32 vdev_id; 204 u32 beacon_snr; 205 u32 data_snr; 206 u32 num_tx_frames[4]; 207 u32 num_rx_frames; 208 u32 num_tx_frames_retries[4]; 209 u32 num_tx_frames_failures[4]; 210 u32 num_rts_fail; 211 u32 num_rts_success; 212 u32 num_rx_err; 213 u32 num_rx_discard; 214 u32 num_tx_not_acked; 215 u32 tx_rate_history[10]; 216 u32 beacon_rssi_history[10]; 217 }; 218 219 struct ath10k_fw_stats_pdev { 220 struct list_head list; 221 222 /* PDEV stats */ 223 s32 ch_noise_floor; 224 u32 tx_frame_count; /* Cycles spent transmitting frames */ 225 u32 rx_frame_count; /* Cycles spent receiving frames */ 226 u32 rx_clear_count; /* Total channel busy time, evidently */ 227 u32 cycle_count; /* Total on-channel time */ 228 u32 phy_err_count; 229 u32 chan_tx_power; 230 u32 ack_rx_bad; 231 u32 rts_bad; 232 u32 rts_good; 233 u32 fcs_bad; 234 u32 no_beacons; 235 u32 mib_int_count; 236 237 /* PDEV TX stats */ 238 s32 comp_queued; 239 s32 comp_delivered; 240 s32 msdu_enqued; 241 s32 mpdu_enqued; 242 s32 wmm_drop; 243 s32 local_enqued; 244 s32 local_freed; 245 s32 hw_queued; 246 s32 hw_reaped; 247 s32 underrun; 248 u32 hw_paused; 249 s32 tx_abort; 250 s32 mpdus_requed; 251 u32 tx_ko; 252 u32 data_rc; 253 u32 self_triggers; 254 u32 sw_retry_failure; 255 u32 illgl_rate_phy_err; 256 u32 pdev_cont_xretry; 257 u32 pdev_tx_timeout; 258 u32 pdev_resets; 259 u32 phy_underrun; 260 u32 txop_ovf; 261 u32 seq_posted; 262 u32 seq_failed_queueing; 263 u32 seq_completed; 264 u32 seq_restarted; 265 u32 mu_seq_posted; 266 u32 mpdus_sw_flush; 267 u32 mpdus_hw_filter; 268 u32 mpdus_truncated; 269 u32 mpdus_ack_failed; 270 u32 mpdus_expired; 271 272 /* PDEV RX stats */ 273 s32 mid_ppdu_route_change; 274 s32 status_rcvd; 275 s32 r0_frags; 276 s32 r1_frags; 277 s32 r2_frags; 278 s32 r3_frags; 279 s32 htt_msdus; 280 s32 htt_mpdus; 281 s32 loc_msdus; 282 s32 loc_mpdus; 283 s32 oversize_amsdu; 284 s32 phy_errs; 285 s32 phy_err_drop; 286 s32 mpdu_errs; 287 s32 rx_ovfl_errs; 288 }; 289 290 struct ath10k_fw_stats { 291 bool extended; 292 struct list_head pdevs; 293 struct list_head vdevs; 294 struct list_head peers; 295 struct list_head peers_extd; 296 }; 297 298 #define ATH10K_TPC_TABLE_TYPE_FLAG 1 299 #define ATH10K_TPC_PREAM_TABLE_END 0xFFFF 300 301 struct ath10k_tpc_table { 302 u32 pream_idx[WMI_TPC_RATE_MAX]; 303 u8 rate_code[WMI_TPC_RATE_MAX]; 304 char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; 305 }; 306 307 struct ath10k_tpc_stats { 308 u32 reg_domain; 309 u32 chan_freq; 310 u32 phy_mode; 311 u32 twice_antenna_reduction; 312 u32 twice_max_rd_power; 313 s32 twice_antenna_gain; 314 u32 power_limit; 315 u32 num_tx_chain; 316 u32 ctl; 317 u32 rate_max; 318 u8 flag[WMI_TPC_FLAG]; 319 struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG]; 320 }; 321 322 struct ath10k_dfs_stats { 323 u32 phy_errors; 324 u32 pulses_total; 325 u32 pulses_detected; 326 u32 pulses_discarded; 327 u32 radar_detected; 328 }; 329 330 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ 331 332 struct ath10k_peer { 333 struct list_head list; 334 struct ieee80211_vif *vif; 335 struct ieee80211_sta *sta; 336 337 bool removed; 338 int vdev_id; 339 u8 addr[ETH_ALEN]; 340 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS); 341 342 /* protected by ar->data_lock */ 343 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1]; 344 }; 345 346 struct ath10k_txq { 347 struct list_head list; 348 unsigned long num_fw_queued; 349 unsigned long num_push_allowed; 350 }; 351 352 struct ath10k_sta { 353 struct ath10k_vif *arvif; 354 355 /* the following are protected by ar->data_lock */ 356 u32 changed; /* IEEE80211_RC_* */ 357 u32 bw; 358 u32 nss; 359 u32 smps; 360 u16 peer_id; 361 struct rate_info txrate; 362 363 struct work_struct update_wk; 364 365 #ifdef CONFIG_MAC80211_DEBUGFS 366 /* protected by conf_mutex */ 367 bool aggr_mode; 368 u64 rx_duration; 369 #endif 370 }; 371 372 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5 * HZ) 373 374 enum ath10k_beacon_state { 375 ATH10K_BEACON_SCHEDULED = 0, 376 ATH10K_BEACON_SENDING, 377 ATH10K_BEACON_SENT, 378 }; 379 380 struct ath10k_vif { 381 struct list_head list; 382 383 u32 vdev_id; 384 u16 peer_id; 385 enum wmi_vdev_type vdev_type; 386 enum wmi_vdev_subtype vdev_subtype; 387 u32 beacon_interval; 388 u32 dtim_period; 389 struct sk_buff *beacon; 390 /* protected by data_lock */ 391 enum ath10k_beacon_state beacon_state; 392 void *beacon_buf; 393 dma_addr_t beacon_paddr; 394 unsigned long tx_paused; /* arbitrary values defined by target */ 395 396 struct ath10k *ar; 397 struct ieee80211_vif *vif; 398 399 bool is_started; 400 bool is_up; 401 bool spectral_enabled; 402 bool ps; 403 u32 aid; 404 u8 bssid[ETH_ALEN]; 405 406 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; 407 s8 def_wep_key_idx; 408 409 u16 tx_seq_no; 410 411 union { 412 struct { 413 u32 uapsd; 414 } sta; 415 struct { 416 /* 512 stations */ 417 u8 tim_bitmap[64]; 418 u8 tim_len; 419 u32 ssid_len; 420 u8 ssid[IEEE80211_MAX_SSID_LEN]; 421 bool hidden_ssid; 422 /* P2P_IE with NoA attribute for P2P_GO case */ 423 u32 noa_len; 424 u8 *noa_data; 425 } ap; 426 } u; 427 428 bool use_cts_prot; 429 bool nohwcrypt; 430 int num_legacy_stations; 431 int txpower; 432 struct wmi_wmm_params_all_arg wmm_params; 433 struct work_struct ap_csa_work; 434 struct delayed_work connection_loss_work; 435 struct cfg80211_bitrate_mask bitrate_mask; 436 }; 437 438 struct ath10k_vif_iter { 439 u32 vdev_id; 440 struct ath10k_vif *arvif; 441 }; 442 443 /* Copy Engine register dump, protected by ce-lock */ 444 struct ath10k_ce_crash_data { 445 __le32 base_addr; 446 __le32 src_wr_idx; 447 __le32 src_r_idx; 448 __le32 dst_wr_idx; 449 __le32 dst_r_idx; 450 }; 451 452 struct ath10k_ce_crash_hdr { 453 __le32 ce_count; 454 __le32 reserved[3]; /* for future use */ 455 struct ath10k_ce_crash_data entries[]; 456 }; 457 458 /* used for crash-dump storage, protected by data-lock */ 459 struct ath10k_fw_crash_data { 460 bool crashed_since_read; 461 462 uuid_le uuid; 463 struct timespec timestamp; 464 __le32 registers[REG_DUMP_COUNT_QCA988X]; 465 struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX]; 466 }; 467 468 struct ath10k_debug { 469 struct dentry *debugfs_phy; 470 471 struct ath10k_fw_stats fw_stats; 472 struct completion fw_stats_complete; 473 bool fw_stats_done; 474 475 unsigned long htt_stats_mask; 476 struct delayed_work htt_stats_dwork; 477 struct ath10k_dfs_stats dfs_stats; 478 struct ath_dfs_pool_stats dfs_pool_stats; 479 480 /* used for tpc-dump storage, protected by data-lock */ 481 struct ath10k_tpc_stats *tpc_stats; 482 483 struct completion tpc_complete; 484 485 /* protected by conf_mutex */ 486 u64 fw_dbglog_mask; 487 u32 fw_dbglog_level; 488 u32 pktlog_filter; 489 u32 reg_addr; 490 u32 nf_cal_period; 491 void *cal_data; 492 493 struct ath10k_fw_crash_data *fw_crash_data; 494 }; 495 496 enum ath10k_state { 497 ATH10K_STATE_OFF = 0, 498 ATH10K_STATE_ON, 499 500 /* When doing firmware recovery the device is first powered down. 501 * mac80211 is supposed to call in to start() hook later on. It is 502 * however possible that driver unloading and firmware crash overlap. 503 * mac80211 can wait on conf_mutex in stop() while the device is 504 * stopped in ath10k_core_restart() work holding conf_mutex. The state 505 * RESTARTED means that the device is up and mac80211 has started hw 506 * reconfiguration. Once mac80211 is done with the reconfiguration we 507 * set the state to STATE_ON in reconfig_complete(). 508 */ 509 ATH10K_STATE_RESTARTING, 510 ATH10K_STATE_RESTARTED, 511 512 /* The device has crashed while restarting hw. This state is like ON 513 * but commands are blocked in HTC and -ECOMM response is given. This 514 * prevents completion timeouts and makes the driver more responsive to 515 * userspace commands. This is also prevents recursive recovery. 516 */ 517 ATH10K_STATE_WEDGED, 518 519 /* factory tests */ 520 ATH10K_STATE_UTF, 521 }; 522 523 enum ath10k_firmware_mode { 524 /* the default mode, standard 802.11 functionality */ 525 ATH10K_FIRMWARE_MODE_NORMAL, 526 527 /* factory tests etc */ 528 ATH10K_FIRMWARE_MODE_UTF, 529 }; 530 531 enum ath10k_fw_features { 532 /* wmi_mgmt_rx_hdr contains extra RSSI information */ 533 ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0, 534 535 /* Firmware from 10X branch. Deprecated, don't use in new code. */ 536 ATH10K_FW_FEATURE_WMI_10X = 1, 537 538 /* firmware support tx frame management over WMI, otherwise it's HTT */ 539 ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2, 540 541 /* Firmware does not support P2P */ 542 ATH10K_FW_FEATURE_NO_P2P = 3, 543 544 /* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature 545 * bit is required to be set as well. Deprecated, don't use in new 546 * code. 547 */ 548 ATH10K_FW_FEATURE_WMI_10_2 = 4, 549 550 /* Some firmware revisions lack proper multi-interface client powersave 551 * implementation. Enabling PS could result in connection drops, 552 * traffic stalls, etc. 553 */ 554 ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5, 555 556 /* Some firmware revisions have an incomplete WoWLAN implementation 557 * despite WMI service bit being advertised. This feature flag is used 558 * to distinguish whether WoWLAN is really supported or not. 559 */ 560 ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6, 561 562 /* Don't trust error code from otp.bin */ 563 ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7, 564 565 /* Some firmware revisions pad 4th hw address to 4 byte boundary making 566 * it 8 bytes long in Native Wifi Rx decap. 567 */ 568 ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8, 569 570 /* Firmware supports bypassing PLL setting on init. */ 571 ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9, 572 573 /* Raw mode support. If supported, FW supports receiving and trasmitting 574 * frames in raw mode. 575 */ 576 ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10, 577 578 /* Firmware Supports Adaptive CCA*/ 579 ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11, 580 581 /* Firmware supports management frame protection */ 582 ATH10K_FW_FEATURE_MFP_SUPPORT = 12, 583 584 /* Firmware supports pull-push model where host shares it's software 585 * queue state with firmware and firmware generates fetch requests 586 * telling host which queues to dequeue tx from. 587 * 588 * Primary function of this is improved MU-MIMO performance with 589 * multiple clients. 590 */ 591 ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13, 592 593 /* Firmware supports BT-Coex without reloading firmware via pdev param. 594 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of 595 * extended resource config should be enabled always. This firmware IE 596 * is used to configure WMI_COEX_GPIO_SUPPORT. 597 */ 598 ATH10K_FW_FEATURE_BTCOEX_PARAM = 14, 599 600 /* Unused flag and proven to be not working, enable this if you want 601 * to experiment sending NULL func data frames in HTT TX 602 */ 603 ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15, 604 605 /* Firmware allow other BSS mesh broadcast/multicast frames without 606 * creating monitor interface. Appropriate rxfilters are programmed for 607 * mesh vdev by firmware itself. This feature flags will be used for 608 * not creating monitor vdev while configuring mesh node. 609 */ 610 ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16, 611 612 /* keep last */ 613 ATH10K_FW_FEATURE_COUNT, 614 }; 615 616 enum ath10k_dev_flags { 617 /* Indicates that ath10k device is during CAC phase of DFS */ 618 ATH10K_CAC_RUNNING, 619 ATH10K_FLAG_CORE_REGISTERED, 620 621 /* Device has crashed and needs to restart. This indicates any pending 622 * waiters should immediately cancel instead of waiting for a time out. 623 */ 624 ATH10K_FLAG_CRASH_FLUSH, 625 626 /* Use Raw mode instead of native WiFi Tx/Rx encap mode. 627 * Raw mode supports both hardware and software crypto. Native WiFi only 628 * supports hardware crypto. 629 */ 630 ATH10K_FLAG_RAW_MODE, 631 632 /* Disable HW crypto engine */ 633 ATH10K_FLAG_HW_CRYPTO_DISABLED, 634 635 /* Bluetooth coexistance enabled */ 636 ATH10K_FLAG_BTCOEX, 637 638 /* Per Station statistics service */ 639 ATH10K_FLAG_PEER_STATS, 640 }; 641 642 enum ath10k_cal_mode { 643 ATH10K_CAL_MODE_FILE, 644 ATH10K_CAL_MODE_OTP, 645 ATH10K_CAL_MODE_DT, 646 ATH10K_PRE_CAL_MODE_FILE, 647 ATH10K_PRE_CAL_MODE_DT, 648 ATH10K_CAL_MODE_EEPROM, 649 }; 650 651 enum ath10k_crypt_mode { 652 /* Only use hardware crypto engine */ 653 ATH10K_CRYPT_MODE_HW, 654 /* Only use software crypto engine */ 655 ATH10K_CRYPT_MODE_SW, 656 }; 657 658 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) 659 { 660 switch (mode) { 661 case ATH10K_CAL_MODE_FILE: 662 return "file"; 663 case ATH10K_CAL_MODE_OTP: 664 return "otp"; 665 case ATH10K_CAL_MODE_DT: 666 return "dt"; 667 case ATH10K_PRE_CAL_MODE_FILE: 668 return "pre-cal-file"; 669 case ATH10K_PRE_CAL_MODE_DT: 670 return "pre-cal-dt"; 671 case ATH10K_CAL_MODE_EEPROM: 672 return "eeprom"; 673 } 674 675 return "unknown"; 676 } 677 678 enum ath10k_scan_state { 679 ATH10K_SCAN_IDLE, 680 ATH10K_SCAN_STARTING, 681 ATH10K_SCAN_RUNNING, 682 ATH10K_SCAN_ABORTING, 683 }; 684 685 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state) 686 { 687 switch (state) { 688 case ATH10K_SCAN_IDLE: 689 return "idle"; 690 case ATH10K_SCAN_STARTING: 691 return "starting"; 692 case ATH10K_SCAN_RUNNING: 693 return "running"; 694 case ATH10K_SCAN_ABORTING: 695 return "aborting"; 696 } 697 698 return "unknown"; 699 } 700 701 enum ath10k_tx_pause_reason { 702 ATH10K_TX_PAUSE_Q_FULL, 703 ATH10K_TX_PAUSE_MAX, 704 }; 705 706 struct ath10k_fw_file { 707 const struct firmware *firmware; 708 709 char fw_version[ETHTOOL_FWVERS_LEN]; 710 711 DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT); 712 713 enum ath10k_fw_wmi_op_version wmi_op_version; 714 enum ath10k_fw_htt_op_version htt_op_version; 715 716 const void *firmware_data; 717 size_t firmware_len; 718 719 const void *otp_data; 720 size_t otp_len; 721 722 const void *codeswap_data; 723 size_t codeswap_len; 724 725 /* The original idea of struct ath10k_fw_file was that it only 726 * contains struct firmware and pointers to various parts (actual 727 * firmware binary, otp, metadata etc) of the file. This seg_info 728 * is actually created separate but as this is used similarly as 729 * the other firmware components it's more convenient to have it 730 * here. 731 */ 732 struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info; 733 }; 734 735 struct ath10k_fw_components { 736 const struct firmware *board; 737 const void *board_data; 738 size_t board_len; 739 740 struct ath10k_fw_file fw_file; 741 }; 742 743 struct ath10k_per_peer_tx_stats { 744 u32 succ_bytes; 745 u32 retry_bytes; 746 u32 failed_bytes; 747 u8 ratecode; 748 u8 flags; 749 u16 peer_id; 750 u16 succ_pkts; 751 u16 retry_pkts; 752 u16 failed_pkts; 753 u16 duration; 754 u32 reserved1; 755 u32 reserved2; 756 }; 757 758 struct ath10k { 759 struct ath_common ath_common; 760 struct ieee80211_hw *hw; 761 struct ieee80211_ops *ops; 762 struct device *dev; 763 u8 mac_addr[ETH_ALEN]; 764 765 enum ath10k_hw_rev hw_rev; 766 u16 dev_id; 767 u32 chip_id; 768 u32 target_version; 769 u8 fw_version_major; 770 u32 fw_version_minor; 771 u16 fw_version_release; 772 u16 fw_version_build; 773 u32 fw_stats_req_mask; 774 u32 phy_capability; 775 u32 hw_min_tx_power; 776 u32 hw_max_tx_power; 777 u32 hw_eeprom_rd; 778 u32 ht_cap_info; 779 u32 vht_cap_info; 780 u32 num_rf_chains; 781 u32 max_spatial_stream; 782 /* protected by conf_mutex */ 783 u32 low_5ghz_chan; 784 u32 high_5ghz_chan; 785 bool ani_enabled; 786 787 bool p2p; 788 789 struct { 790 enum ath10k_bus bus; 791 const struct ath10k_hif_ops *ops; 792 } hif; 793 794 struct completion target_suspend; 795 796 const struct ath10k_hw_regs *regs; 797 const struct ath10k_hw_ce_regs *hw_ce_regs; 798 const struct ath10k_hw_values *hw_values; 799 struct ath10k_bmi bmi; 800 struct ath10k_wmi wmi; 801 struct ath10k_htc htc; 802 struct ath10k_htt htt; 803 804 struct ath10k_hw_params hw_params; 805 806 /* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */ 807 struct ath10k_fw_components normal_mode_fw; 808 809 /* READ-ONLY images of the running firmware, which can be either 810 * normal or UTF. Do not modify, release etc! 811 */ 812 const struct ath10k_fw_components *running_fw; 813 814 const struct firmware *pre_cal_file; 815 const struct firmware *cal_file; 816 817 struct { 818 u32 vendor; 819 u32 device; 820 u32 subsystem_vendor; 821 u32 subsystem_device; 822 823 bool bmi_ids_valid; 824 u8 bmi_board_id; 825 u8 bmi_chip_id; 826 827 char bdf_ext[ATH10K_SMBIOS_BDF_EXT_STR_LENGTH]; 828 } id; 829 830 int fw_api; 831 int bd_api; 832 enum ath10k_cal_mode cal_mode; 833 834 struct { 835 struct completion started; 836 struct completion completed; 837 struct completion on_channel; 838 struct delayed_work timeout; 839 enum ath10k_scan_state state; 840 bool is_roc; 841 int vdev_id; 842 int roc_freq; 843 bool roc_notify; 844 } scan; 845 846 struct { 847 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 848 } mac; 849 850 /* should never be NULL; needed for regular htt rx */ 851 struct ieee80211_channel *rx_channel; 852 853 /* valid during scan; needed for mgmt rx during scan */ 854 struct ieee80211_channel *scan_channel; 855 856 /* current operating channel definition */ 857 struct cfg80211_chan_def chandef; 858 859 /* currently configured operating channel in firmware */ 860 struct ieee80211_channel *tgt_oper_chan; 861 862 unsigned long long free_vdev_map; 863 struct ath10k_vif *monitor_arvif; 864 bool monitor; 865 int monitor_vdev_id; 866 bool monitor_started; 867 unsigned int filter_flags; 868 unsigned long dev_flags; 869 bool dfs_block_radar_events; 870 871 /* protected by conf_mutex */ 872 bool radar_enabled; 873 int num_started_vdevs; 874 875 /* Protected by conf-mutex */ 876 u8 cfg_tx_chainmask; 877 u8 cfg_rx_chainmask; 878 879 struct completion install_key_done; 880 881 struct completion vdev_setup_done; 882 883 struct workqueue_struct *workqueue; 884 /* Auxiliary workqueue */ 885 struct workqueue_struct *workqueue_aux; 886 887 /* prevents concurrent FW reconfiguration */ 888 struct mutex conf_mutex; 889 890 /* protects shared structure data */ 891 spinlock_t data_lock; 892 /* protects: ar->txqs, artxq->list */ 893 spinlock_t txqs_lock; 894 895 struct list_head txqs; 896 struct list_head arvifs; 897 struct list_head peers; 898 struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS]; 899 wait_queue_head_t peer_mapping_wq; 900 901 /* protected by conf_mutex */ 902 int num_peers; 903 int num_stations; 904 905 int max_num_peers; 906 int max_num_stations; 907 int max_num_vdevs; 908 int max_num_tdls_vdevs; 909 int num_active_peers; 910 int num_tids; 911 912 struct work_struct svc_rdy_work; 913 struct sk_buff *svc_rdy_skb; 914 915 struct work_struct offchan_tx_work; 916 struct sk_buff_head offchan_tx_queue; 917 struct completion offchan_tx_completed; 918 struct sk_buff *offchan_tx_skb; 919 920 struct work_struct wmi_mgmt_tx_work; 921 struct sk_buff_head wmi_mgmt_tx_queue; 922 923 enum ath10k_state state; 924 925 struct work_struct register_work; 926 struct work_struct restart_work; 927 928 /* cycle count is reported twice for each visited channel during scan. 929 * access protected by data_lock 930 */ 931 u32 survey_last_rx_clear_count; 932 u32 survey_last_cycle_count; 933 struct survey_info survey[ATH10K_NUM_CHANS]; 934 935 /* Channel info events are expected to come in pairs without and with 936 * COMPLETE flag set respectively for each channel visit during scan. 937 * 938 * However there are deviations from this rule. This flag is used to 939 * avoid reporting garbage data. 940 */ 941 bool ch_info_can_report_survey; 942 struct completion bss_survey_done; 943 944 struct dfs_pattern_detector *dfs_detector; 945 946 unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */ 947 948 #ifdef CONFIG_ATH10K_DEBUGFS 949 struct ath10k_debug debug; 950 struct { 951 /* relay(fs) channel for spectral scan */ 952 struct rchan *rfs_chan_spec_scan; 953 954 /* spectral_mode and spec_config are protected by conf_mutex */ 955 enum ath10k_spectral_mode mode; 956 struct ath10k_spec_scan config; 957 } spectral; 958 #endif 959 960 struct { 961 /* protected by conf_mutex */ 962 struct ath10k_fw_components utf_mode_fw; 963 964 /* protected by data_lock */ 965 bool utf_monitor; 966 } testmode; 967 968 struct { 969 /* protected by data_lock */ 970 u32 fw_crash_counter; 971 u32 fw_warm_reset_counter; 972 u32 fw_cold_reset_counter; 973 } stats; 974 975 struct ath10k_thermal thermal; 976 struct ath10k_wow wow; 977 struct ath10k_per_peer_tx_stats peer_tx_stats; 978 979 /* NAPI */ 980 struct net_device napi_dev; 981 struct napi_struct napi; 982 983 struct work_struct set_coverage_class_work; 984 /* protected by conf_mutex */ 985 struct { 986 /* writing also protected by data_lock */ 987 s16 coverage_class; 988 989 u32 reg_phyclk; 990 u32 reg_slottime_conf; 991 u32 reg_slottime_orig; 992 u32 reg_ack_cts_timeout_conf; 993 u32 reg_ack_cts_timeout_orig; 994 } fw_coverage; 995 996 /* must be last */ 997 u8 drv_priv[0] __aligned(sizeof(void *)); 998 }; 999 1000 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar) 1001 { 1002 if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) && 1003 test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) 1004 return true; 1005 1006 return false; 1007 } 1008 1009 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 1010 enum ath10k_bus bus, 1011 enum ath10k_hw_rev hw_rev, 1012 const struct ath10k_hif_ops *hif_ops); 1013 void ath10k_core_destroy(struct ath10k *ar); 1014 void ath10k_core_get_fw_features_str(struct ath10k *ar, 1015 char *buf, 1016 size_t max_len); 1017 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, 1018 struct ath10k_fw_file *fw_file); 1019 1020 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, 1021 const struct ath10k_fw_components *fw_components); 1022 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt); 1023 void ath10k_core_stop(struct ath10k *ar); 1024 int ath10k_core_register(struct ath10k *ar, u32 chip_id); 1025 void ath10k_core_unregister(struct ath10k *ar); 1026 1027 #endif /* _CORE_H_ */ 1028