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 ATH10K_BUS_USB, 96 }; 97 98 static inline const char *ath10k_bus_str(enum ath10k_bus bus) 99 { 100 switch (bus) { 101 case ATH10K_BUS_PCI: 102 return "pci"; 103 case ATH10K_BUS_AHB: 104 return "ahb"; 105 case ATH10K_BUS_SDIO: 106 return "sdio"; 107 case ATH10K_BUS_USB: 108 return "usb"; 109 } 110 111 return "unknown"; 112 } 113 114 enum ath10k_skb_flags { 115 ATH10K_SKB_F_NO_HWCRYPT = BIT(0), 116 ATH10K_SKB_F_DTIM_ZERO = BIT(1), 117 ATH10K_SKB_F_DELIVER_CAB = BIT(2), 118 ATH10K_SKB_F_MGMT = BIT(3), 119 ATH10K_SKB_F_QOS = BIT(4), 120 }; 121 122 struct ath10k_skb_cb { 123 dma_addr_t paddr; 124 u8 flags; 125 u8 eid; 126 u16 msdu_id; 127 struct ieee80211_vif *vif; 128 struct ieee80211_txq *txq; 129 } __packed; 130 131 struct ath10k_skb_rxcb { 132 dma_addr_t paddr; 133 struct hlist_node hlist; 134 }; 135 136 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb) 137 { 138 BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) > 139 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 140 return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; 141 } 142 143 static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb) 144 { 145 BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb)); 146 return (struct ath10k_skb_rxcb *)skb->cb; 147 } 148 149 #define ATH10K_RXCB_SKB(rxcb) \ 150 container_of((void *)rxcb, struct sk_buff, cb) 151 152 static inline u32 host_interest_item_address(u32 item_offset) 153 { 154 return QCA988X_HOST_INTEREST_ADDRESS + item_offset; 155 } 156 157 struct ath10k_bmi { 158 bool done_sent; 159 }; 160 161 struct ath10k_mem_chunk { 162 void *vaddr; 163 dma_addr_t paddr; 164 u32 len; 165 u32 req_id; 166 }; 167 168 struct ath10k_wmi { 169 enum ath10k_htc_ep_id eid; 170 struct completion service_ready; 171 struct completion unified_ready; 172 struct completion barrier; 173 wait_queue_head_t tx_credits_wq; 174 DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX); 175 struct wmi_cmd_map *cmd; 176 struct wmi_vdev_param_map *vdev_param; 177 struct wmi_pdev_param_map *pdev_param; 178 const struct wmi_ops *ops; 179 const struct wmi_peer_flags_map *peer_flags; 180 181 u32 num_mem_chunks; 182 u32 rx_decap_mode; 183 struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; 184 }; 185 186 struct ath10k_fw_stats_peer { 187 struct list_head list; 188 189 u8 peer_macaddr[ETH_ALEN]; 190 u32 peer_rssi; 191 u32 peer_tx_rate; 192 u32 peer_rx_rate; /* 10x only */ 193 u32 rx_duration; 194 }; 195 196 struct ath10k_fw_extd_stats_peer { 197 struct list_head list; 198 199 u8 peer_macaddr[ETH_ALEN]; 200 u32 rx_duration; 201 }; 202 203 struct ath10k_fw_stats_vdev { 204 struct list_head list; 205 206 u32 vdev_id; 207 u32 beacon_snr; 208 u32 data_snr; 209 u32 num_tx_frames[4]; 210 u32 num_rx_frames; 211 u32 num_tx_frames_retries[4]; 212 u32 num_tx_frames_failures[4]; 213 u32 num_rts_fail; 214 u32 num_rts_success; 215 u32 num_rx_err; 216 u32 num_rx_discard; 217 u32 num_tx_not_acked; 218 u32 tx_rate_history[10]; 219 u32 beacon_rssi_history[10]; 220 }; 221 222 struct ath10k_fw_stats_pdev { 223 struct list_head list; 224 225 /* PDEV stats */ 226 s32 ch_noise_floor; 227 u32 tx_frame_count; /* Cycles spent transmitting frames */ 228 u32 rx_frame_count; /* Cycles spent receiving frames */ 229 u32 rx_clear_count; /* Total channel busy time, evidently */ 230 u32 cycle_count; /* Total on-channel time */ 231 u32 phy_err_count; 232 u32 chan_tx_power; 233 u32 ack_rx_bad; 234 u32 rts_bad; 235 u32 rts_good; 236 u32 fcs_bad; 237 u32 no_beacons; 238 u32 mib_int_count; 239 240 /* PDEV TX stats */ 241 s32 comp_queued; 242 s32 comp_delivered; 243 s32 msdu_enqued; 244 s32 mpdu_enqued; 245 s32 wmm_drop; 246 s32 local_enqued; 247 s32 local_freed; 248 s32 hw_queued; 249 s32 hw_reaped; 250 s32 underrun; 251 u32 hw_paused; 252 s32 tx_abort; 253 s32 mpdus_requed; 254 u32 tx_ko; 255 u32 data_rc; 256 u32 self_triggers; 257 u32 sw_retry_failure; 258 u32 illgl_rate_phy_err; 259 u32 pdev_cont_xretry; 260 u32 pdev_tx_timeout; 261 u32 pdev_resets; 262 u32 phy_underrun; 263 u32 txop_ovf; 264 u32 seq_posted; 265 u32 seq_failed_queueing; 266 u32 seq_completed; 267 u32 seq_restarted; 268 u32 mu_seq_posted; 269 u32 mpdus_sw_flush; 270 u32 mpdus_hw_filter; 271 u32 mpdus_truncated; 272 u32 mpdus_ack_failed; 273 u32 mpdus_expired; 274 275 /* PDEV RX stats */ 276 s32 mid_ppdu_route_change; 277 s32 status_rcvd; 278 s32 r0_frags; 279 s32 r1_frags; 280 s32 r2_frags; 281 s32 r3_frags; 282 s32 htt_msdus; 283 s32 htt_mpdus; 284 s32 loc_msdus; 285 s32 loc_mpdus; 286 s32 oversize_amsdu; 287 s32 phy_errs; 288 s32 phy_err_drop; 289 s32 mpdu_errs; 290 s32 rx_ovfl_errs; 291 }; 292 293 struct ath10k_fw_stats { 294 bool extended; 295 struct list_head pdevs; 296 struct list_head vdevs; 297 struct list_head peers; 298 struct list_head peers_extd; 299 }; 300 301 #define ATH10K_TPC_TABLE_TYPE_FLAG 1 302 #define ATH10K_TPC_PREAM_TABLE_END 0xFFFF 303 304 struct ath10k_tpc_table { 305 u32 pream_idx[WMI_TPC_RATE_MAX]; 306 u8 rate_code[WMI_TPC_RATE_MAX]; 307 char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE]; 308 }; 309 310 struct ath10k_tpc_stats { 311 u32 reg_domain; 312 u32 chan_freq; 313 u32 phy_mode; 314 u32 twice_antenna_reduction; 315 u32 twice_max_rd_power; 316 s32 twice_antenna_gain; 317 u32 power_limit; 318 u32 num_tx_chain; 319 u32 ctl; 320 u32 rate_max; 321 u8 flag[WMI_TPC_FLAG]; 322 struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG]; 323 }; 324 325 struct ath10k_dfs_stats { 326 u32 phy_errors; 327 u32 pulses_total; 328 u32 pulses_detected; 329 u32 pulses_discarded; 330 u32 radar_detected; 331 }; 332 333 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */ 334 335 struct ath10k_peer { 336 struct list_head list; 337 struct ieee80211_vif *vif; 338 struct ieee80211_sta *sta; 339 340 bool removed; 341 int vdev_id; 342 u8 addr[ETH_ALEN]; 343 DECLARE_BITMAP(peer_ids, ATH10K_MAX_NUM_PEER_IDS); 344 345 /* protected by ar->data_lock */ 346 struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1]; 347 }; 348 349 struct ath10k_txq { 350 struct list_head list; 351 unsigned long num_fw_queued; 352 unsigned long num_push_allowed; 353 }; 354 355 struct ath10k_sta { 356 struct ath10k_vif *arvif; 357 358 /* the following are protected by ar->data_lock */ 359 u32 changed; /* IEEE80211_RC_* */ 360 u32 bw; 361 u32 nss; 362 u32 smps; 363 u16 peer_id; 364 struct rate_info txrate; 365 366 struct work_struct update_wk; 367 368 #ifdef CONFIG_MAC80211_DEBUGFS 369 /* protected by conf_mutex */ 370 bool aggr_mode; 371 u64 rx_duration; 372 #endif 373 }; 374 375 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5 * HZ) 376 377 enum ath10k_beacon_state { 378 ATH10K_BEACON_SCHEDULED = 0, 379 ATH10K_BEACON_SENDING, 380 ATH10K_BEACON_SENT, 381 }; 382 383 struct ath10k_vif { 384 struct list_head list; 385 386 u32 vdev_id; 387 u16 peer_id; 388 enum wmi_vdev_type vdev_type; 389 enum wmi_vdev_subtype vdev_subtype; 390 u32 beacon_interval; 391 u32 dtim_period; 392 struct sk_buff *beacon; 393 /* protected by data_lock */ 394 enum ath10k_beacon_state beacon_state; 395 void *beacon_buf; 396 dma_addr_t beacon_paddr; 397 unsigned long tx_paused; /* arbitrary values defined by target */ 398 399 struct ath10k *ar; 400 struct ieee80211_vif *vif; 401 402 bool is_started; 403 bool is_up; 404 bool spectral_enabled; 405 bool ps; 406 u32 aid; 407 u8 bssid[ETH_ALEN]; 408 409 struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1]; 410 s8 def_wep_key_idx; 411 412 u16 tx_seq_no; 413 414 union { 415 struct { 416 u32 uapsd; 417 } sta; 418 struct { 419 /* 512 stations */ 420 u8 tim_bitmap[64]; 421 u8 tim_len; 422 u32 ssid_len; 423 u8 ssid[IEEE80211_MAX_SSID_LEN]; 424 bool hidden_ssid; 425 /* P2P_IE with NoA attribute for P2P_GO case */ 426 u32 noa_len; 427 u8 *noa_data; 428 } ap; 429 } u; 430 431 bool use_cts_prot; 432 bool nohwcrypt; 433 int num_legacy_stations; 434 int txpower; 435 struct wmi_wmm_params_all_arg wmm_params; 436 struct work_struct ap_csa_work; 437 struct delayed_work connection_loss_work; 438 struct cfg80211_bitrate_mask bitrate_mask; 439 }; 440 441 struct ath10k_vif_iter { 442 u32 vdev_id; 443 struct ath10k_vif *arvif; 444 }; 445 446 /* Copy Engine register dump, protected by ce-lock */ 447 struct ath10k_ce_crash_data { 448 __le32 base_addr; 449 __le32 src_wr_idx; 450 __le32 src_r_idx; 451 __le32 dst_wr_idx; 452 __le32 dst_r_idx; 453 }; 454 455 struct ath10k_ce_crash_hdr { 456 __le32 ce_count; 457 __le32 reserved[3]; /* for future use */ 458 struct ath10k_ce_crash_data entries[]; 459 }; 460 461 /* used for crash-dump storage, protected by data-lock */ 462 struct ath10k_fw_crash_data { 463 bool crashed_since_read; 464 465 guid_t guid; 466 struct timespec timestamp; 467 __le32 registers[REG_DUMP_COUNT_QCA988X]; 468 struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX]; 469 }; 470 471 struct ath10k_debug { 472 struct dentry *debugfs_phy; 473 474 struct ath10k_fw_stats fw_stats; 475 struct completion fw_stats_complete; 476 bool fw_stats_done; 477 478 unsigned long htt_stats_mask; 479 struct delayed_work htt_stats_dwork; 480 struct ath10k_dfs_stats dfs_stats; 481 struct ath_dfs_pool_stats dfs_pool_stats; 482 483 /* used for tpc-dump storage, protected by data-lock */ 484 struct ath10k_tpc_stats *tpc_stats; 485 486 struct completion tpc_complete; 487 488 /* protected by conf_mutex */ 489 u64 fw_dbglog_mask; 490 u32 fw_dbglog_level; 491 u32 pktlog_filter; 492 u32 reg_addr; 493 u32 nf_cal_period; 494 void *cal_data; 495 496 struct ath10k_fw_crash_data *fw_crash_data; 497 }; 498 499 enum ath10k_state { 500 ATH10K_STATE_OFF = 0, 501 ATH10K_STATE_ON, 502 503 /* When doing firmware recovery the device is first powered down. 504 * mac80211 is supposed to call in to start() hook later on. It is 505 * however possible that driver unloading and firmware crash overlap. 506 * mac80211 can wait on conf_mutex in stop() while the device is 507 * stopped in ath10k_core_restart() work holding conf_mutex. The state 508 * RESTARTED means that the device is up and mac80211 has started hw 509 * reconfiguration. Once mac80211 is done with the reconfiguration we 510 * set the state to STATE_ON in reconfig_complete(). 511 */ 512 ATH10K_STATE_RESTARTING, 513 ATH10K_STATE_RESTARTED, 514 515 /* The device has crashed while restarting hw. This state is like ON 516 * but commands are blocked in HTC and -ECOMM response is given. This 517 * prevents completion timeouts and makes the driver more responsive to 518 * userspace commands. This is also prevents recursive recovery. 519 */ 520 ATH10K_STATE_WEDGED, 521 522 /* factory tests */ 523 ATH10K_STATE_UTF, 524 }; 525 526 enum ath10k_firmware_mode { 527 /* the default mode, standard 802.11 functionality */ 528 ATH10K_FIRMWARE_MODE_NORMAL, 529 530 /* factory tests etc */ 531 ATH10K_FIRMWARE_MODE_UTF, 532 }; 533 534 enum ath10k_fw_features { 535 /* wmi_mgmt_rx_hdr contains extra RSSI information */ 536 ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX = 0, 537 538 /* Firmware from 10X branch. Deprecated, don't use in new code. */ 539 ATH10K_FW_FEATURE_WMI_10X = 1, 540 541 /* firmware support tx frame management over WMI, otherwise it's HTT */ 542 ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX = 2, 543 544 /* Firmware does not support P2P */ 545 ATH10K_FW_FEATURE_NO_P2P = 3, 546 547 /* Firmware 10.2 feature bit. The ATH10K_FW_FEATURE_WMI_10X feature 548 * bit is required to be set as well. Deprecated, don't use in new 549 * code. 550 */ 551 ATH10K_FW_FEATURE_WMI_10_2 = 4, 552 553 /* Some firmware revisions lack proper multi-interface client powersave 554 * implementation. Enabling PS could result in connection drops, 555 * traffic stalls, etc. 556 */ 557 ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5, 558 559 /* Some firmware revisions have an incomplete WoWLAN implementation 560 * despite WMI service bit being advertised. This feature flag is used 561 * to distinguish whether WoWLAN is really supported or not. 562 */ 563 ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6, 564 565 /* Don't trust error code from otp.bin */ 566 ATH10K_FW_FEATURE_IGNORE_OTP_RESULT = 7, 567 568 /* Some firmware revisions pad 4th hw address to 4 byte boundary making 569 * it 8 bytes long in Native Wifi Rx decap. 570 */ 571 ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING = 8, 572 573 /* Firmware supports bypassing PLL setting on init. */ 574 ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT = 9, 575 576 /* Raw mode support. If supported, FW supports receiving and trasmitting 577 * frames in raw mode. 578 */ 579 ATH10K_FW_FEATURE_RAW_MODE_SUPPORT = 10, 580 581 /* Firmware Supports Adaptive CCA*/ 582 ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA = 11, 583 584 /* Firmware supports management frame protection */ 585 ATH10K_FW_FEATURE_MFP_SUPPORT = 12, 586 587 /* Firmware supports pull-push model where host shares it's software 588 * queue state with firmware and firmware generates fetch requests 589 * telling host which queues to dequeue tx from. 590 * 591 * Primary function of this is improved MU-MIMO performance with 592 * multiple clients. 593 */ 594 ATH10K_FW_FEATURE_PEER_FLOW_CONTROL = 13, 595 596 /* Firmware supports BT-Coex without reloading firmware via pdev param. 597 * To support Bluetooth coexistence pdev param, WMI_COEX_GPIO_SUPPORT of 598 * extended resource config should be enabled always. This firmware IE 599 * is used to configure WMI_COEX_GPIO_SUPPORT. 600 */ 601 ATH10K_FW_FEATURE_BTCOEX_PARAM = 14, 602 603 /* Unused flag and proven to be not working, enable this if you want 604 * to experiment sending NULL func data frames in HTT TX 605 */ 606 ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15, 607 608 /* Firmware allow other BSS mesh broadcast/multicast frames without 609 * creating monitor interface. Appropriate rxfilters are programmed for 610 * mesh vdev by firmware itself. This feature flags will be used for 611 * not creating monitor vdev while configuring mesh node. 612 */ 613 ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16, 614 615 /* Firmware does not support power save in station mode. */ 616 ATH10K_FW_FEATURE_NO_PS = 17, 617 618 /* keep last */ 619 ATH10K_FW_FEATURE_COUNT, 620 }; 621 622 enum ath10k_dev_flags { 623 /* Indicates that ath10k device is during CAC phase of DFS */ 624 ATH10K_CAC_RUNNING, 625 ATH10K_FLAG_CORE_REGISTERED, 626 627 /* Device has crashed and needs to restart. This indicates any pending 628 * waiters should immediately cancel instead of waiting for a time out. 629 */ 630 ATH10K_FLAG_CRASH_FLUSH, 631 632 /* Use Raw mode instead of native WiFi Tx/Rx encap mode. 633 * Raw mode supports both hardware and software crypto. Native WiFi only 634 * supports hardware crypto. 635 */ 636 ATH10K_FLAG_RAW_MODE, 637 638 /* Disable HW crypto engine */ 639 ATH10K_FLAG_HW_CRYPTO_DISABLED, 640 641 /* Bluetooth coexistance enabled */ 642 ATH10K_FLAG_BTCOEX, 643 644 /* Per Station statistics service */ 645 ATH10K_FLAG_PEER_STATS, 646 }; 647 648 enum ath10k_cal_mode { 649 ATH10K_CAL_MODE_FILE, 650 ATH10K_CAL_MODE_OTP, 651 ATH10K_CAL_MODE_DT, 652 ATH10K_PRE_CAL_MODE_FILE, 653 ATH10K_PRE_CAL_MODE_DT, 654 ATH10K_CAL_MODE_EEPROM, 655 }; 656 657 enum ath10k_crypt_mode { 658 /* Only use hardware crypto engine */ 659 ATH10K_CRYPT_MODE_HW, 660 /* Only use software crypto engine */ 661 ATH10K_CRYPT_MODE_SW, 662 }; 663 664 static inline const char *ath10k_cal_mode_str(enum ath10k_cal_mode mode) 665 { 666 switch (mode) { 667 case ATH10K_CAL_MODE_FILE: 668 return "file"; 669 case ATH10K_CAL_MODE_OTP: 670 return "otp"; 671 case ATH10K_CAL_MODE_DT: 672 return "dt"; 673 case ATH10K_PRE_CAL_MODE_FILE: 674 return "pre-cal-file"; 675 case ATH10K_PRE_CAL_MODE_DT: 676 return "pre-cal-dt"; 677 case ATH10K_CAL_MODE_EEPROM: 678 return "eeprom"; 679 } 680 681 return "unknown"; 682 } 683 684 enum ath10k_scan_state { 685 ATH10K_SCAN_IDLE, 686 ATH10K_SCAN_STARTING, 687 ATH10K_SCAN_RUNNING, 688 ATH10K_SCAN_ABORTING, 689 }; 690 691 static inline const char *ath10k_scan_state_str(enum ath10k_scan_state state) 692 { 693 switch (state) { 694 case ATH10K_SCAN_IDLE: 695 return "idle"; 696 case ATH10K_SCAN_STARTING: 697 return "starting"; 698 case ATH10K_SCAN_RUNNING: 699 return "running"; 700 case ATH10K_SCAN_ABORTING: 701 return "aborting"; 702 } 703 704 return "unknown"; 705 } 706 707 enum ath10k_tx_pause_reason { 708 ATH10K_TX_PAUSE_Q_FULL, 709 ATH10K_TX_PAUSE_MAX, 710 }; 711 712 struct ath10k_fw_file { 713 const struct firmware *firmware; 714 715 char fw_version[ETHTOOL_FWVERS_LEN]; 716 717 DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT); 718 719 enum ath10k_fw_wmi_op_version wmi_op_version; 720 enum ath10k_fw_htt_op_version htt_op_version; 721 722 const void *firmware_data; 723 size_t firmware_len; 724 725 const void *otp_data; 726 size_t otp_len; 727 728 const void *codeswap_data; 729 size_t codeswap_len; 730 731 /* The original idea of struct ath10k_fw_file was that it only 732 * contains struct firmware and pointers to various parts (actual 733 * firmware binary, otp, metadata etc) of the file. This seg_info 734 * is actually created separate but as this is used similarly as 735 * the other firmware components it's more convenient to have it 736 * here. 737 */ 738 struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info; 739 }; 740 741 struct ath10k_fw_components { 742 const struct firmware *board; 743 const void *board_data; 744 size_t board_len; 745 746 struct ath10k_fw_file fw_file; 747 }; 748 749 struct ath10k_per_peer_tx_stats { 750 u32 succ_bytes; 751 u32 retry_bytes; 752 u32 failed_bytes; 753 u8 ratecode; 754 u8 flags; 755 u16 peer_id; 756 u16 succ_pkts; 757 u16 retry_pkts; 758 u16 failed_pkts; 759 u16 duration; 760 u32 reserved1; 761 u32 reserved2; 762 }; 763 764 struct ath10k { 765 struct ath_common ath_common; 766 struct ieee80211_hw *hw; 767 struct ieee80211_ops *ops; 768 struct device *dev; 769 u8 mac_addr[ETH_ALEN]; 770 771 enum ath10k_hw_rev hw_rev; 772 u16 dev_id; 773 u32 chip_id; 774 u32 target_version; 775 u8 fw_version_major; 776 u32 fw_version_minor; 777 u16 fw_version_release; 778 u16 fw_version_build; 779 u32 fw_stats_req_mask; 780 u32 phy_capability; 781 u32 hw_min_tx_power; 782 u32 hw_max_tx_power; 783 u32 hw_eeprom_rd; 784 u32 ht_cap_info; 785 u32 vht_cap_info; 786 u32 num_rf_chains; 787 u32 max_spatial_stream; 788 /* protected by conf_mutex */ 789 u32 low_5ghz_chan; 790 u32 high_5ghz_chan; 791 bool ani_enabled; 792 793 bool p2p; 794 795 struct { 796 enum ath10k_bus bus; 797 const struct ath10k_hif_ops *ops; 798 } hif; 799 800 struct completion target_suspend; 801 802 const struct ath10k_hw_regs *regs; 803 const struct ath10k_hw_ce_regs *hw_ce_regs; 804 const struct ath10k_hw_values *hw_values; 805 struct ath10k_bmi bmi; 806 struct ath10k_wmi wmi; 807 struct ath10k_htc htc; 808 struct ath10k_htt htt; 809 810 struct ath10k_hw_params hw_params; 811 812 /* contains the firmware images used with ATH10K_FIRMWARE_MODE_NORMAL */ 813 struct ath10k_fw_components normal_mode_fw; 814 815 /* READ-ONLY images of the running firmware, which can be either 816 * normal or UTF. Do not modify, release etc! 817 */ 818 const struct ath10k_fw_components *running_fw; 819 820 const struct firmware *pre_cal_file; 821 const struct firmware *cal_file; 822 823 struct { 824 u32 vendor; 825 u32 device; 826 u32 subsystem_vendor; 827 u32 subsystem_device; 828 829 bool bmi_ids_valid; 830 u8 bmi_board_id; 831 u8 bmi_chip_id; 832 833 char bdf_ext[ATH10K_SMBIOS_BDF_EXT_STR_LENGTH]; 834 } id; 835 836 int fw_api; 837 int bd_api; 838 enum ath10k_cal_mode cal_mode; 839 840 struct { 841 struct completion started; 842 struct completion completed; 843 struct completion on_channel; 844 struct delayed_work timeout; 845 enum ath10k_scan_state state; 846 bool is_roc; 847 int vdev_id; 848 int roc_freq; 849 bool roc_notify; 850 } scan; 851 852 struct { 853 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 854 } mac; 855 856 /* should never be NULL; needed for regular htt rx */ 857 struct ieee80211_channel *rx_channel; 858 859 /* valid during scan; needed for mgmt rx during scan */ 860 struct ieee80211_channel *scan_channel; 861 862 /* current operating channel definition */ 863 struct cfg80211_chan_def chandef; 864 865 /* currently configured operating channel in firmware */ 866 struct ieee80211_channel *tgt_oper_chan; 867 868 unsigned long long free_vdev_map; 869 struct ath10k_vif *monitor_arvif; 870 bool monitor; 871 int monitor_vdev_id; 872 bool monitor_started; 873 unsigned int filter_flags; 874 unsigned long dev_flags; 875 bool dfs_block_radar_events; 876 877 /* protected by conf_mutex */ 878 bool radar_enabled; 879 int num_started_vdevs; 880 881 /* Protected by conf-mutex */ 882 u8 cfg_tx_chainmask; 883 u8 cfg_rx_chainmask; 884 885 struct completion install_key_done; 886 887 struct completion vdev_setup_done; 888 889 struct workqueue_struct *workqueue; 890 /* Auxiliary workqueue */ 891 struct workqueue_struct *workqueue_aux; 892 893 /* prevents concurrent FW reconfiguration */ 894 struct mutex conf_mutex; 895 896 /* protects shared structure data */ 897 spinlock_t data_lock; 898 /* protects: ar->txqs, artxq->list */ 899 spinlock_t txqs_lock; 900 901 struct list_head txqs; 902 struct list_head arvifs; 903 struct list_head peers; 904 struct ath10k_peer *peer_map[ATH10K_MAX_NUM_PEER_IDS]; 905 wait_queue_head_t peer_mapping_wq; 906 907 /* protected by conf_mutex */ 908 int num_peers; 909 int num_stations; 910 911 int max_num_peers; 912 int max_num_stations; 913 int max_num_vdevs; 914 int max_num_tdls_vdevs; 915 int num_active_peers; 916 int num_tids; 917 918 struct work_struct svc_rdy_work; 919 struct sk_buff *svc_rdy_skb; 920 921 struct work_struct offchan_tx_work; 922 struct sk_buff_head offchan_tx_queue; 923 struct completion offchan_tx_completed; 924 struct sk_buff *offchan_tx_skb; 925 926 struct work_struct wmi_mgmt_tx_work; 927 struct sk_buff_head wmi_mgmt_tx_queue; 928 929 enum ath10k_state state; 930 931 struct work_struct register_work; 932 struct work_struct restart_work; 933 934 /* cycle count is reported twice for each visited channel during scan. 935 * access protected by data_lock 936 */ 937 u32 survey_last_rx_clear_count; 938 u32 survey_last_cycle_count; 939 struct survey_info survey[ATH10K_NUM_CHANS]; 940 941 /* Channel info events are expected to come in pairs without and with 942 * COMPLETE flag set respectively for each channel visit during scan. 943 * 944 * However there are deviations from this rule. This flag is used to 945 * avoid reporting garbage data. 946 */ 947 bool ch_info_can_report_survey; 948 struct completion bss_survey_done; 949 950 struct dfs_pattern_detector *dfs_detector; 951 952 unsigned long tx_paused; /* see ATH10K_TX_PAUSE_ */ 953 954 #ifdef CONFIG_ATH10K_DEBUGFS 955 struct ath10k_debug debug; 956 struct { 957 /* relay(fs) channel for spectral scan */ 958 struct rchan *rfs_chan_spec_scan; 959 960 /* spectral_mode and spec_config are protected by conf_mutex */ 961 enum ath10k_spectral_mode mode; 962 struct ath10k_spec_scan config; 963 } spectral; 964 #endif 965 966 struct { 967 /* protected by conf_mutex */ 968 struct ath10k_fw_components utf_mode_fw; 969 970 /* protected by data_lock */ 971 bool utf_monitor; 972 } testmode; 973 974 struct { 975 /* protected by data_lock */ 976 u32 fw_crash_counter; 977 u32 fw_warm_reset_counter; 978 u32 fw_cold_reset_counter; 979 } stats; 980 981 struct ath10k_thermal thermal; 982 struct ath10k_wow wow; 983 struct ath10k_per_peer_tx_stats peer_tx_stats; 984 985 /* NAPI */ 986 struct net_device napi_dev; 987 struct napi_struct napi; 988 989 struct work_struct set_coverage_class_work; 990 /* protected by conf_mutex */ 991 struct { 992 /* writing also protected by data_lock */ 993 s16 coverage_class; 994 995 u32 reg_phyclk; 996 u32 reg_slottime_conf; 997 u32 reg_slottime_orig; 998 u32 reg_ack_cts_timeout_conf; 999 u32 reg_ack_cts_timeout_orig; 1000 } fw_coverage; 1001 1002 u32 ampdu_reference; 1003 1004 void *ce_priv; 1005 1006 /* must be last */ 1007 u8 drv_priv[0] __aligned(sizeof(void *)); 1008 }; 1009 1010 static inline bool ath10k_peer_stats_enabled(struct ath10k *ar) 1011 { 1012 if (test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) && 1013 test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) 1014 return true; 1015 1016 return false; 1017 } 1018 1019 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, 1020 enum ath10k_bus bus, 1021 enum ath10k_hw_rev hw_rev, 1022 const struct ath10k_hif_ops *hif_ops); 1023 void ath10k_core_destroy(struct ath10k *ar); 1024 void ath10k_core_get_fw_features_str(struct ath10k *ar, 1025 char *buf, 1026 size_t max_len); 1027 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name, 1028 struct ath10k_fw_file *fw_file); 1029 1030 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, 1031 const struct ath10k_fw_components *fw_components); 1032 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt); 1033 void ath10k_core_stop(struct ath10k *ar); 1034 int ath10k_core_register(struct ath10k *ar, u32 chip_id); 1035 void ath10k_core_unregister(struct ath10k *ar); 1036 1037 #endif /* _CORE_H_ */ 1038