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 71 /* SMBIOS type containing Board Data File Name Extension */ 72 #define ATH10K_SMBIOS_BDF_EXT_TYPE 0xF8 73 74 /* SMBIOS type structure length (excluding strings-set) */ 75 #define ATH10K_SMBIOS_BDF_EXT_LENGTH 0x9 76 77 /* Offset pointing to Board Data File Name Extension */ 78 #define ATH10K_SMBIOS_BDF_EXT_OFFSET 0x8 79 80 /* Board Data File Name Extension string length. 81 * String format: BDF_<Customer ID>_<Extension>\0 82 */ 83 #define ATH10K_SMBIOS_BDF_EXT_STR_LENGTH 0x20 84 85 /* The magic used by QCA spec */ 86 #define ATH10K_SMBIOS_BDF_EXT_MAGIC "BDF_" 87 88 struct ath10k; 89 90 enum ath10k_bus { 91 ATH10K_BUS_PCI, 92 ATH10K_BUS_AHB, 93 ATH10K_BUS_SDIO, 94 ATH10K_BUS_USB, 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 case ATH10K_BUS_USB: 107 return "usb"; 108 } 109 110 return "unknown"; 111 } 112 113 enum ath10k_skb_flags { 114 ATH10K_SKB_F_NO_HWCRYPT = BIT(0), 115 ATH10K_SKB_F_DTIM_ZERO = BIT(1), 116 ATH10K_SKB_F_DELIVER_CAB = BIT(2), 117 ATH10K_SKB_F_MGMT = BIT(3), 118 ATH10K_SKB_F_QOS = BIT(4), 119 }; 120 121 struct ath10k_skb_cb { 122 dma_addr_t paddr; 123 u8 flags; 124 u8 eid; 125 u16 msdu_id; 126 struct ieee80211_vif *vif; 127 struct ieee80211_txq *txq; 128 } __packed; 129 130 struct ath10k_skb_rxcb { 131 dma_addr_t paddr; 132 struct hlist_node hlist; 133 }; 134 135 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb) 136 { 137 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) > 138 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 139 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; 140 } 141 142 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb) 143 { 144 BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb)); 145 return (struct ath10k_skb_rxcb *)skb->cb; 146 } 147 148 #define ATH10K_RXCB_SKB(rxcb) \ 149 container_of((void *)rxcb, struct sk_buff, cb) 150 151 static inline u32 host_interest_item_address(u32 item_offset) 152 { 153 return QCA988X_HOST_INTEREST_ADDRESS + item_offset; 154 } 155 156 struct ath10k_bmi { 157 bool done_sent; 158 }; 159 160 struct ath10k_mem_chunk { 161 void *vaddr; 162 dma_addr_t paddr; 163 u32 len; 164 u32 req_id; 165 }; 166 167 struct ath10k_wmi { 168 enum ath10k_htc_ep_id eid; 169 struct completion service_ready; 170 struct completion unified_ready; 171 struct completion barrier; 172 wait_queue_head_t tx_credits_wq; 173 DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX); 174 struct wmi_cmd_map *cmd; 175 struct wmi_vdev_param_map *vdev_param; 176 struct wmi_pdev_param_map *pdev_param; 177 const struct wmi_ops *ops; 178 const struct wmi_peer_flags_map *peer_flags; 179 180 u32 num_mem_chunks; 181 u32 rx_decap_mode; 182 struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; 183 }; 184 185 struct ath10k_fw_stats_peer { 186 struct list_head list; 187 188 u8 peer_macaddr[ETH_ALEN]; 189 u32 peer_rssi; 190 u32 peer_tx_rate; 191 u32 peer_rx_rate; /* 10x only */ 192 u32 rx_duration; 193 }; 194 195 struct ath10k_fw_extd_stats_peer { 196 struct list_head list; 197 198 u8 peer_macaddr[ETH_ALEN]; 199 u32 rx_duration; 200 }; 201 202 struct ath10k_fw_stats_vdev { 203 struct list_head list; 204 205 u32 vdev_id; 206 u32 beacon_snr; 207 u32 data_snr; 208 u32 num_tx_frames[4]; 209 u32 num_rx_frames; 210 u32 num_tx_frames_retries[4]; 211 u32 num_tx_frames_failures[4]; 212 u32 num_rts_fail; 213 u32 num_rts_success; 214 u32 num_rx_err; 215 u32 num_rx_discard; 216 u32 num_tx_not_acked; 217 u32 tx_rate_history[10]; 218 u32 beacon_rssi_history[10]; 219 }; 220 221 struct ath10k_fw_stats_pdev { 222 struct list_head list; 223 224 /* PDEV stats */ 225 s32 ch_noise_floor; 226 u32 tx_frame_count; /* Cycles spent transmitting frames */ 227 u32 rx_frame_count; /* Cycles spent receiving frames */ 228 u32 rx_clear_count; /* Total channel busy time, evidently */ 229 u32 cycle_count; /* Total on-channel time */ 230 u32 phy_err_count; 231 u32 chan_tx_power; 232 u32 ack_rx_bad; 233 u32 rts_bad; 234 u32 rts_good; 235 u32 fcs_bad; 236 u32 no_beacons; 237 u32 mib_int_count; 238 239 /* PDEV TX stats */ 240 s32 comp_queued; 241 s32 comp_delivered; 242 s32 msdu_enqued; 243 s32 mpdu_enqued; 244 s32 wmm_drop; 245 s32 local_enqued; 246 s32 local_freed; 247 s32 hw_queued; 248 s32 hw_reaped; 249 s32 underrun; 250 u32 hw_paused; 251 s32 tx_abort; 252 s32 mpdus_requed; 253 u32 tx_ko; 254 u32 data_rc; 255 u32 self_triggers; 256 u32 sw_retry_failure; 257 u32 illgl_rate_phy_err; 258 u32 pdev_cont_xretry; 259 u32 pdev_tx_timeout; 260 u32 pdev_resets; 261 u32 phy_underrun; 262 u32 txop_ovf; 263 u32 seq_posted; 264 u32 seq_failed_queueing; 265 u32 seq_completed; 266 u32 seq_restarted; 267 u32 mu_seq_posted; 268 u32 mpdus_sw_flush; 269 u32 mpdus_hw_filter; 270 u32 mpdus_truncated; 271 u32 mpdus_ack_failed; 272 u32 mpdus_expired; 273 274 /* PDEV RX stats */ 275 s32 mid_ppdu_route_change; 276 s32 status_rcvd; 277 s32 r0_frags; 278 s32 r1_frags; 279 s32 r2_frags; 280 s32 r3_frags; 281 s32 htt_msdus; 282 s32 htt_mpdus; 283 s32 loc_msdus; 284 s32 loc_mpdus; 285 s32 oversize_amsdu; 286 s32 phy_errs; 287 s32 phy_err_drop; 288 s32 mpdu_errs; 289 s32 rx_ovfl_errs; 290 }; 291 292 struct ath10k_fw_stats { 293 bool extended; 294 struct list_head pdevs; 295 struct list_head vdevs; 296 struct list_head peers; 297 struct list_head peers_extd; 298 }; 299 300 #define ATH10K_TPC_TABLE_TYPE_FLAG 1 301 #define ATH10K_TPC_PREAM_TABLE_END 0xFFFF 302 303 struct ath10k_tpc_table { 304 u32 pream_idx[WMI_TPC_RATE_MAX]; 305 u8 rate_code[WMI_TPC_RATE_MAX]; 306 char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; 307 }; 308 309 struct ath10k_tpc_stats { 310 u32 reg_domain; 311 u32 chan_freq; 312 u32 phy_mode; 313 u32 twice_antenna_reduction; 314 u32 twice_max_rd_power; 315 s32 twice_antenna_gain; 316 u32 power_limit; 317 u32 num_tx_chain; 318 u32 ctl; 319 u32 rate_max; 320 u8 flag[WMI_TPC_FLAG]; 321 struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG]; 322 }; 323 324 struct ath10k_dfs_stats { 325 u32 phy_errors; 326 u32 pulses_total; 327 u32 pulses_detected; 328 u32 pulses_discarded; 329 u32 radar_detected; 330 }; 331 332 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ 333 334 struct ath10k_peer { 335 struct list_head list; 336 struct ieee80211_vif *vif; 337 struct ieee80211_sta *sta; 338 339 bool removed; 340 int vdev_id; 341 u8 addr[ETH_ALEN]; 342 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS); 343 344 /* protected by ar->data_lock */ 345 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1]; 346 }; 347 348 struct ath10k_txq { 349 struct list_head list; 350 unsigned long num_fw_queued; 351 unsigned long num_push_allowed; 352 }; 353 354 struct ath10k_sta { 355 struct ath10k_vif *arvif; 356 357 /* the following are protected by ar->data_lock */ 358 u32 changed; /* IEEE80211_RC_* */ 359 u32 bw; 360 u32 nss; 361 u32 smps; 362 u16 peer_id; 363 struct rate_info txrate; 364 365 struct work_struct update_wk; 366 u64 rx_duration; 367 368 #ifdef CONFIG_MAC80211_DEBUGFS 369 /* protected by conf_mutex */ 370 bool aggr_mode; 371 #endif 372 }; 373 374 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5 * HZ) 375 376 enum ath10k_beacon_state { 377 ATH10K_BEACON_SCHEDULED = 0, 378 ATH10K_BEACON_SENDING, 379 ATH10K_BEACON_SENT, 380 }; 381 382 struct ath10k_vif { 383 struct list_head list; 384 385 u32 vdev_id; 386 u16 peer_id; 387 enum wmi_vdev_type vdev_type; 388 enum wmi_vdev_subtype vdev_subtype; 389 u32 beacon_interval; 390 u32 dtim_period; 391 struct sk_buff *beacon; 392 /* protected by data_lock */ 393 enum ath10k_beacon_state beacon_state; 394 void *beacon_buf; 395 dma_addr_t beacon_paddr; 396 unsigned long tx_paused; /* arbitrary values defined by target */ 397 398 struct ath10k *ar; 399 struct ieee80211_vif *vif; 400 401 bool is_started; 402 bool is_up; 403 bool spectral_enabled; 404 bool ps; 405 u32 aid; 406 u8 bssid[ETH_ALEN]; 407 408 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; 409 s8 def_wep_key_idx; 410 411 u16 tx_seq_no; 412 413 union { 414 struct { 415 u32 uapsd; 416 } sta; 417 struct { 418 /* 512 stations */ 419 u8 tim_bitmap[64]; 420 u8 tim_len; 421 u32 ssid_len; 422 u8 ssid[IEEE80211_MAX_SSID_LEN]; 423 bool hidden_ssid; 424 /* P2P_IE with NoA attribute for P2P_GO case */ 425 u32 noa_len; 426 u8 *noa_data; 427 } ap; 428 } u; 429 430 bool use_cts_prot; 431 bool nohwcrypt; 432 int num_legacy_stations; 433 int txpower; 434 struct wmi_wmm_params_all_arg wmm_params; 435 struct work_struct ap_csa_work; 436 struct delayed_work connection_loss_work; 437 struct cfg80211_bitrate_mask bitrate_mask; 438 }; 439 440 struct ath10k_vif_iter { 441 u32 vdev_id; 442 struct ath10k_vif *arvif; 443 }; 444 445 /* Copy Engine register dump, protected by ce-lock */ 446 struct ath10k_ce_crash_data { 447 __le32 base_addr; 448 __le32 src_wr_idx; 449 __le32 src_r_idx; 450 __le32 dst_wr_idx; 451 __le32 dst_r_idx; 452 }; 453 454 struct ath10k_ce_crash_hdr { 455 __le32 ce_count; 456 __le32 reserved[3]; /* for future use */ 457 struct ath10k_ce_crash_data entries[]; 458 }; 459 460 /* used for crash-dump storage, protected by data-lock */ 461 struct ath10k_fw_crash_data { 462 bool crashed_since_read; 463 464 guid_t guid; 465 struct timespec64 timestamp; 466 __le32 registers[REG_DUMP_COUNT_QCA988X]; 467 struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX]; 468 }; 469 470 struct ath10k_debug { 471 struct dentry *debugfs_phy; 472 473 struct ath10k_fw_stats fw_stats; 474 struct completion fw_stats_complete; 475 bool fw_stats_done; 476 477 unsigned long htt_stats_mask; 478 struct delayed_work htt_stats_dwork; 479 struct ath10k_dfs_stats dfs_stats; 480 struct ath_dfs_pool_stats dfs_pool_stats; 481 482 /* used for tpc-dump storage, protected by data-lock */ 483 struct ath10k_tpc_stats *tpc_stats; 484 485 struct completion tpc_complete; 486 487 /* protected by conf_mutex */ 488 u64 fw_dbglog_mask; 489 u32 fw_dbglog_level; 490 u32 reg_addr; 491 u32 nf_cal_period; 492 void *cal_data; 493 494 struct ath10k_fw_crash_data *fw_crash_data; 495 }; 496 497 enum ath10k_state { 498 ATH10K_STATE_OFF = 0, 499 ATH10K_STATE_ON, 500 501 /* When doing firmware recovery the device is first powered down. 502 * mac80211 is supposed to call in to start() hook later on. It is 503 * however possible that driver unloading and firmware crash overlap. 504 * mac80211 can wait on conf_mutex in stop() while the device is 505 * stopped in ath10k_core_restart() work holding conf_mutex. The state 506 * RESTARTED means that the device is up and mac80211 has started hw 507 * reconfiguration. Once mac80211 is done with the reconfiguration we 508 * set the state to STATE_ON in reconfig_complete(). 509 */ 510 ATH10K_STATE_RESTARTING, 511 ATH10K_STATE_RESTARTED, 512 513 /* The device has crashed while restarting hw. This state is like ON 514 * but commands are blocked in HTC and -ECOMM response is given. This 515 * prevents completion timeouts and makes the driver more responsive to 516 * userspace commands. This is also prevents recursive recovery. 517 */ 518 ATH10K_STATE_WEDGED, 519 520 /* factory tests */ 521 ATH10K_STATE_UTF, 522 }; 523 524 enum ath10k_firmware_mode { 525 /* the default mode, standard 802.11 functionality */ 526 ATH10K_FIRMWARE_MODE_NORMAL, 527 528 /* factory tests etc */ 529 ATH10K_FIRMWARE_MODE_UTF, 530 }; 531 532 enum ath10k_fw_features { 533 /* wmi_mgmt_rx_hdr contains extra RSSI information */ 534 ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0, 535 536 /* Firmware from 10X branch. Deprecated, don't use in new code. */ 537 ATH10K_FW_FEATURE_WMI_10X = 1, 538 539 /* firmware support tx frame management over WMI, otherwise it's HTT */ 540 ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2, 541 542 /* Firmware does not support P2P */ 543 ATH10K_FW_FEATURE_NO_P2P = 3, 544 545 /* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature 546 * bit is required to be set as well. Deprecated, don't use in new 547 * code. 548 */ 549 ATH10K_FW_FEATURE_WMI_10_2 = 4, 550 551 /* Some firmware revisions lack proper multi-interface client powersave 552 * implementation. Enabling PS could result in connection drops, 553 * traffic stalls, etc. 554 */ 555 ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5, 556 557 /* Some firmware revisions have an incomplete WoWLAN implementation 558 * despite WMI service bit being advertised. This feature flag is used 559 * to distinguish whether WoWLAN is really supported or not. 560 */ 561 ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6, 562 563 /* Don't trust error code from otp.bin */ 564 ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7, 565 566 /* Some firmware revisions pad 4th hw address to 4 byte boundary making 567 * it 8 bytes long in Native Wifi Rx decap. 568 */ 569 ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8, 570 571 /* Firmware supports bypassing PLL setting on init. */ 572 ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9, 573 574 /* Raw mode support. If supported, FW supports receiving and trasmitting 575 * frames in raw mode. 576 */ 577 ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10, 578 579 /* Firmware Supports Adaptive CCA*/ 580 ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11, 581 582 /* Firmware supports management frame protection */ 583 ATH10K_FW_FEATURE_MFP_SUPPORT = 12, 584 585 /* Firmware supports pull-push model where host shares it's software 586 * queue state with firmware and firmware generates fetch requests 587 * telling host which queues to dequeue tx from. 588 * 589 * Primary function of this is improved MU-MIMO performance with 590 * multiple clients. 591 */ 592 ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13, 593 594 /* Firmware supports BT-Coex without reloading firmware via pdev param. 595 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of 596 * extended resource config should be enabled always. This firmware IE 597 * is used to configure WMI_COEX_GPIO_SUPPORT. 598 */ 599 ATH10K_FW_FEATURE_BTCOEX_PARAM = 14, 600 601 /* Unused flag and proven to be not working, enable this if you want 602 * to experiment sending NULL func data frames in HTT TX 603 */ 604 ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15, 605 606 /* Firmware allow other BSS mesh broadcast/multicast frames without 607 * creating monitor interface. Appropriate rxfilters are programmed for 608 * mesh vdev by firmware itself. This feature flags will be used for 609 * not creating monitor vdev while configuring mesh node. 610 */ 611 ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16, 612 613 /* Firmware does not support power save in station mode. */ 614 ATH10K_FW_FEATURE_NO_PS = 17, 615 616 /* Firmware allows management tx by reference instead of by value. */ 617 ATH10K_FW_FEATURE_MGMT_TX_BY_REF = 18, 618 619 /* keep last */ 620 ATH10K_FW_FEATURE_COUNT, 621 }; 622 623 enum ath10k_dev_flags { 624 /* Indicates that ath10k device is during CAC phase of DFS */ 625 ATH10K_CAC_RUNNING, 626 ATH10K_FLAG_CORE_REGISTERED, 627 628 /* Device has crashed and needs to restart. This indicates any pending 629 * waiters should immediately cancel instead of waiting for a time out. 630 */ 631 ATH10K_FLAG_CRASH_FLUSH, 632 633 /* Use Raw mode instead of native WiFi Tx/Rx encap mode. 634 * Raw mode supports both hardware and software crypto. Native WiFi only 635 * supports hardware crypto. 636 */ 637 ATH10K_FLAG_RAW_MODE, 638 639 /* Disable HW crypto engine */ 640 ATH10K_FLAG_HW_CRYPTO_DISABLED, 641 642 /* Bluetooth coexistance enabled */ 643 ATH10K_FLAG_BTCOEX, 644 645 /* Per Station statistics service */ 646 ATH10K_FLAG_PEER_STATS, 647 }; 648 649 enum ath10k_cal_mode { 650 ATH10K_CAL_MODE_FILE, 651 ATH10K_CAL_MODE_OTP, 652 ATH10K_CAL_MODE_DT, 653 ATH10K_PRE_CAL_MODE_FILE, 654 ATH10K_PRE_CAL_MODE_DT, 655 ATH10K_CAL_MODE_EEPROM, 656 }; 657 658 enum ath10k_crypt_mode { 659 /* Only use hardware crypto engine */ 660 ATH10K_CRYPT_MODE_HW, 661 /* Only use software crypto engine */ 662 ATH10K_CRYPT_MODE_SW, 663 }; 664 665 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) 666 { 667 switch (mode) { 668 case ATH10K_CAL_MODE_FILE: 669 return "file"; 670 case ATH10K_CAL_MODE_OTP: 671 return "otp"; 672 case ATH10K_CAL_MODE_DT: 673 return "dt"; 674 case ATH10K_PRE_CAL_MODE_FILE: 675 return "pre-cal-file"; 676 case ATH10K_PRE_CAL_MODE_DT: 677 return "pre-cal-dt"; 678 case ATH10K_CAL_MODE_EEPROM: 679 return "eeprom"; 680 } 681 682 return "unknown"; 683 } 684 685 enum ath10k_scan_state { 686 ATH10K_SCAN_IDLE, 687 ATH10K_SCAN_STARTING, 688 ATH10K_SCAN_RUNNING, 689 ATH10K_SCAN_ABORTING, 690 }; 691 692 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state) 693 { 694 switch (state) { 695 case ATH10K_SCAN_IDLE: 696 return "idle"; 697 case ATH10K_SCAN_STARTING: 698 return "starting"; 699 case ATH10K_SCAN_RUNNING: 700 return "running"; 701 case ATH10K_SCAN_ABORTING: 702 return "aborting"; 703 } 704 705 return "unknown"; 706 } 707 708 enum ath10k_tx_pause_reason { 709 ATH10K_TX_PAUSE_Q_FULL, 710 ATH10K_TX_PAUSE_MAX, 711 }; 712 713 struct ath10k_fw_file { 714 const struct firmware *firmware; 715 716 char fw_version[ETHTOOL_FWVERS_LEN]; 717 718 DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT); 719 720 enum ath10k_fw_wmi_op_version wmi_op_version; 721 enum ath10k_fw_htt_op_version htt_op_version; 722 723 const void *firmware_data; 724 size_t firmware_len; 725 726 const void *otp_data; 727 size_t otp_len; 728 729 const void *codeswap_data; 730 size_t codeswap_len; 731 732 /* The original idea of struct ath10k_fw_file was that it only 733 * contains struct firmware and pointers to various parts (actual 734 * firmware binary, otp, metadata etc) of the file. This seg_info 735 * is actually created separate but as this is used similarly as 736 * the other firmware components it's more convenient to have it 737 * here. 738 */ 739 struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info; 740 }; 741 742 struct ath10k_fw_components { 743 const struct firmware *board; 744 const void *board_data; 745 size_t board_len; 746 747 struct ath10k_fw_file fw_file; 748 }; 749 750 struct ath10k_per_peer_tx_stats { 751 u32 succ_bytes; 752 u32 retry_bytes; 753 u32 failed_bytes; 754 u8 ratecode; 755 u8 flags; 756 u16 peer_id; 757 u16 succ_pkts; 758 u16 retry_pkts; 759 u16 failed_pkts; 760 u16 duration; 761 u32 reserved1; 762 u32 reserved2; 763 }; 764 765 struct ath10k { 766 struct ath_common ath_common; 767 struct ieee80211_hw *hw; 768 struct ieee80211_ops *ops; 769 struct device *dev; 770 u8 mac_addr[ETH_ALEN]; 771 772 enum ath10k_hw_rev hw_rev; 773 u16 dev_id; 774 u32 chip_id; 775 u32 target_version; 776 u8 fw_version_major; 777 u32 fw_version_minor; 778 u16 fw_version_release; 779 u16 fw_version_build; 780 u32 fw_stats_req_mask; 781 u32 phy_capability; 782 u32 hw_min_tx_power; 783 u32 hw_max_tx_power; 784 u32 hw_eeprom_rd; 785 u32 ht_cap_info; 786 u32 vht_cap_info; 787 u32 num_rf_chains; 788 u32 max_spatial_stream; 789 /* protected by conf_mutex */ 790 u32 low_5ghz_chan; 791 u32 high_5ghz_chan; 792 bool ani_enabled; 793 794 bool p2p; 795 796 struct { 797 enum ath10k_bus bus; 798 const struct ath10k_hif_ops *ops; 799 } hif; 800 801 struct completion target_suspend; 802 803 const struct ath10k_hw_regs *regs; 804 const struct ath10k_hw_ce_regs *hw_ce_regs; 805 const struct ath10k_hw_values *hw_values; 806 struct ath10k_bmi bmi; 807 struct ath10k_wmi wmi; 808 struct ath10k_htc htc; 809 struct ath10k_htt htt; 810 811 struct ath10k_hw_params hw_params; 812 813 /* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */ 814 struct ath10k_fw_components normal_mode_fw; 815 816 /* READ-ONLY images of the running firmware, which can be either 817 * normal or UTF. Do not modify, release etc! 818 */ 819 const struct ath10k_fw_components *running_fw; 820 821 const struct firmware *pre_cal_file; 822 const struct firmware *cal_file; 823 824 struct { 825 u32 vendor; 826 u32 device; 827 u32 subsystem_vendor; 828 u32 subsystem_device; 829 830 bool bmi_ids_valid; 831 u8 bmi_board_id; 832 u8 bmi_chip_id; 833 834 char bdf_ext[ATH10K_SMBIOS_BDF_EXT_STR_LENGTH]; 835 } id; 836 837 int fw_api; 838 int bd_api; 839 enum ath10k_cal_mode cal_mode; 840 841 struct { 842 struct completion started; 843 struct completion completed; 844 struct completion on_channel; 845 struct delayed_work timeout; 846 enum ath10k_scan_state state; 847 bool is_roc; 848 int vdev_id; 849 int roc_freq; 850 bool roc_notify; 851 } scan; 852 853 struct { 854 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 855 } mac; 856 857 /* should never be NULL; needed for regular htt rx */ 858 struct ieee80211_channel *rx_channel; 859 860 /* valid during scan; needed for mgmt rx during scan */ 861 struct ieee80211_channel *scan_channel; 862 863 /* current operating channel definition */ 864 struct cfg80211_chan_def chandef; 865 866 /* currently configured operating channel in firmware */ 867 struct ieee80211_channel *tgt_oper_chan; 868 869 unsigned long long free_vdev_map; 870 struct ath10k_vif *monitor_arvif; 871 bool monitor; 872 int monitor_vdev_id; 873 bool monitor_started; 874 unsigned int filter_flags; 875 unsigned long dev_flags; 876 bool dfs_block_radar_events; 877 878 /* protected by conf_mutex */ 879 bool radar_enabled; 880 int num_started_vdevs; 881 882 /* Protected by conf-mutex */ 883 u8 cfg_tx_chainmask; 884 u8 cfg_rx_chainmask; 885 886 struct completion install_key_done; 887 888 struct completion vdev_setup_done; 889 890 struct workqueue_struct *workqueue; 891 /* Auxiliary workqueue */ 892 struct workqueue_struct *workqueue_aux; 893 894 /* prevents concurrent FW reconfiguration */ 895 struct mutex conf_mutex; 896 897 /* protects shared structure data */ 898 spinlock_t data_lock; 899 /* protects: ar->txqs, artxq->list */ 900 spinlock_t txqs_lock; 901 902 struct list_head txqs; 903 struct list_head arvifs; 904 struct list_head peers; 905 struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS]; 906 wait_queue_head_t peer_mapping_wq; 907 908 /* protected by conf_mutex */ 909 int num_peers; 910 int num_stations; 911 912 int max_num_peers; 913 int max_num_stations; 914 int max_num_vdevs; 915 int max_num_tdls_vdevs; 916 int num_active_peers; 917 int num_tids; 918 919 struct work_struct svc_rdy_work; 920 struct sk_buff *svc_rdy_skb; 921 922 struct work_struct offchan_tx_work; 923 struct sk_buff_head offchan_tx_queue; 924 struct completion offchan_tx_completed; 925 struct sk_buff *offchan_tx_skb; 926 927 struct work_struct wmi_mgmt_tx_work; 928 struct sk_buff_head wmi_mgmt_tx_queue; 929 930 enum ath10k_state state; 931 932 struct work_struct register_work; 933 struct work_struct restart_work; 934 935 /* cycle count is reported twice for each visited channel during scan. 936 * access protected by data_lock 937 */ 938 u32 survey_last_rx_clear_count; 939 u32 survey_last_cycle_count; 940 struct survey_info survey[ATH10K_NUM_CHANS]; 941 942 /* Channel info events are expected to come in pairs without and with 943 * COMPLETE flag set respectively for each channel visit during scan. 944 * 945 * However there are deviations from this rule. This flag is used to 946 * avoid reporting garbage data. 947 */ 948 bool ch_info_can_report_survey; 949 struct completion bss_survey_done; 950 951 struct dfs_pattern_detector *dfs_detector; 952 953 unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */ 954 955 #ifdef CONFIG_ATH10K_DEBUGFS 956 struct ath10k_debug debug; 957 struct { 958 /* relay(fs) channel for spectral scan */ 959 struct rchan *rfs_chan_spec_scan; 960 961 /* spectral_mode and spec_config are protected by conf_mutex */ 962 enum ath10k_spectral_mode mode; 963 struct ath10k_spec_scan config; 964 } spectral; 965 #endif 966 967 u32 pktlog_filter; 968 struct { 969 /* protected by conf_mutex */ 970 struct ath10k_fw_components utf_mode_fw; 971 972 /* protected by data_lock */ 973 bool utf_monitor; 974 } testmode; 975 976 struct { 977 /* protected by data_lock */ 978 u32 fw_crash_counter; 979 u32 fw_warm_reset_counter; 980 u32 fw_cold_reset_counter; 981 } stats; 982 983 struct ath10k_thermal thermal; 984 struct ath10k_wow wow; 985 struct ath10k_per_peer_tx_stats peer_tx_stats; 986 987 /* NAPI */ 988 struct net_device napi_dev; 989 struct napi_struct napi; 990 991 struct work_struct set_coverage_class_work; 992 /* protected by conf_mutex */ 993 struct { 994 /* writing also protected by data_lock */ 995 s16 coverage_class; 996 997 u32 reg_phyclk; 998 u32 reg_slottime_conf; 999 u32 reg_slottime_orig; 1000 u32 reg_ack_cts_timeout_conf; 1001 u32 reg_ack_cts_timeout_orig; 1002 } fw_coverage; 1003 1004 u32 ampdu_reference; 1005 1006 void *ce_priv; 1007 1008 /* must be last */ 1009 u8 drv_priv[0] __aligned(sizeof(void *)); 1010 }; 1011 1012 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar) 1013 { 1014 if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) && 1015 test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) 1016 return true; 1017 1018 return false; 1019 } 1020 1021 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 1022 enum ath10k_bus bus, 1023 enum ath10k_hw_rev hw_rev, 1024 const struct ath10k_hif_ops *hif_ops); 1025 void ath10k_core_destroy(struct ath10k *ar); 1026 void ath10k_core_get_fw_features_str(struct ath10k *ar, 1027 char *buf, 1028 size_t max_len); 1029 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, 1030 struct ath10k_fw_file *fw_file); 1031 1032 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, 1033 const struct ath10k_fw_components *fw_components); 1034 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt); 1035 void ath10k_core_stop(struct ath10k *ar); 1036 int ath10k_core_register(struct ath10k *ar, u32 chip_id); 1037 void ath10k_core_unregister(struct ath10k *ar); 1038 1039 #endif /* _CORE_H_ */ 1040