1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */ 2 /* 3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. 4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. 5 */ 6 7 #ifndef ATH11K_CORE_H 8 #define ATH11K_CORE_H 9 10 #include <linux/types.h> 11 #include <linux/interrupt.h> 12 #include <linux/irq.h> 13 #include <linux/bitfield.h> 14 #include <linux/dmi.h> 15 #include <linux/ctype.h> 16 #include <linux/rhashtable.h> 17 #include <linux/average.h> 18 #if defined(__FreeBSD__) 19 #include <linux/wait.h> 20 #endif 21 #include "qmi.h" 22 #include "htc.h" 23 #include "wmi.h" 24 #include "hal.h" 25 #include "dp.h" 26 #include "ce.h" 27 #include "mac.h" 28 #include "hw.h" 29 #include "hal_rx.h" 30 #include "reg.h" 31 #include "thermal.h" 32 #include "dbring.h" 33 #include "spectral.h" 34 #include "wow.h" 35 36 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) 37 38 #define ATH11K_TX_MGMT_NUM_PENDING_MAX 512 39 40 #define ATH11K_TX_MGMT_TARGET_MAX_SUPPORT_WMI 64 41 42 /* Pending management packets threshold for dropping probe responses */ 43 #define ATH11K_PRB_RSP_DROP_THRESHOLD ((ATH11K_TX_MGMT_TARGET_MAX_SUPPORT_WMI * 3) / 4) 44 45 #define ATH11K_INVALID_HW_MAC_ID 0xFF 46 #define ATH11K_CONNECTION_LOSS_HZ (3 * HZ) 47 48 /* SMBIOS type containing Board Data File Name Extension */ 49 #define ATH11K_SMBIOS_BDF_EXT_TYPE 0xF8 50 51 /* SMBIOS type structure length (excluding strings-set) */ 52 #define ATH11K_SMBIOS_BDF_EXT_LENGTH 0x9 53 54 /* The magic used by QCA spec */ 55 #define ATH11K_SMBIOS_BDF_EXT_MAGIC "BDF_" 56 57 extern unsigned int ath11k_frame_mode; 58 extern bool ath11k_ftm_mode; 59 60 #define ATH11K_SCAN_TIMEOUT_HZ (20 * HZ) 61 62 #define ATH11K_MON_TIMER_INTERVAL 10 63 #define ATH11K_RESET_TIMEOUT_HZ (20 * HZ) 64 #define ATH11K_RESET_MAX_FAIL_COUNT_FIRST 3 65 #define ATH11K_RESET_MAX_FAIL_COUNT_FINAL 5 66 #define ATH11K_RESET_FAIL_TIMEOUT_HZ (20 * HZ) 67 #define ATH11K_RECONFIGURE_TIMEOUT_HZ (10 * HZ) 68 #define ATH11K_RECOVER_START_TIMEOUT_HZ (20 * HZ) 69 70 enum ath11k_supported_bw { 71 ATH11K_BW_20 = 0, 72 ATH11K_BW_40 = 1, 73 ATH11K_BW_80 = 2, 74 ATH11K_BW_160 = 3, 75 }; 76 77 enum ath11k_bdf_search { 78 ATH11K_BDF_SEARCH_DEFAULT, 79 ATH11K_BDF_SEARCH_BUS_AND_BOARD, 80 }; 81 82 #if defined(__FreeBSD__) 83 #ifdef WME_AC_BE 84 #undef WME_AC_BE 85 #endif 86 #ifdef WME_AC_BK 87 #undef WME_AC_BK 88 #endif 89 #ifdef WME_AC_VI 90 #undef WME_AC_VI 91 #endif 92 #ifdef WME_AC_VO 93 #undef WME_AC_VO 94 #endif 95 #ifdef WME_NUM_AC 96 #undef WME_NUM_AC 97 #endif 98 #endif 99 100 enum wme_ac { 101 WME_AC_BE, 102 WME_AC_BK, 103 WME_AC_VI, 104 WME_AC_VO, 105 WME_NUM_AC 106 }; 107 108 #define ATH11K_HT_MCS_MAX 7 109 #define ATH11K_VHT_MCS_MAX 9 110 #define ATH11K_HE_MCS_MAX 11 111 112 enum ath11k_crypt_mode { 113 /* Only use hardware crypto engine */ 114 ATH11K_CRYPT_MODE_HW, 115 /* Only use software crypto */ 116 ATH11K_CRYPT_MODE_SW, 117 }; 118 119 static inline enum wme_ac ath11k_tid_to_ac(u32 tid) 120 { 121 return (((tid == 0) || (tid == 3)) ? WME_AC_BE : 122 ((tid == 1) || (tid == 2)) ? WME_AC_BK : 123 ((tid == 4) || (tid == 5)) ? WME_AC_VI : 124 WME_AC_VO); 125 } 126 127 enum ath11k_skb_flags { 128 ATH11K_SKB_HW_80211_ENCAP = BIT(0), 129 ATH11K_SKB_CIPHER_SET = BIT(1), 130 }; 131 132 struct ath11k_skb_cb { 133 dma_addr_t paddr; 134 u8 eid; 135 u8 flags; 136 u32 cipher; 137 struct ath11k *ar; 138 struct ieee80211_vif *vif; 139 } __packed; 140 141 struct ath11k_skb_rxcb { 142 dma_addr_t paddr; 143 bool is_first_msdu; 144 bool is_last_msdu; 145 bool is_continuation; 146 bool is_mcbc; 147 bool is_eapol; 148 struct hal_rx_desc *rx_desc; 149 u8 err_rel_src; 150 u8 err_code; 151 u8 mac_id; 152 u8 unmapped; 153 u8 is_frag; 154 u8 tid; 155 u16 peer_id; 156 u16 seq_no; 157 }; 158 159 enum ath11k_hw_rev { 160 ATH11K_HW_IPQ8074, 161 ATH11K_HW_QCA6390_HW20, 162 ATH11K_HW_IPQ6018_HW10, 163 ATH11K_HW_QCN9074_HW10, 164 ATH11K_HW_WCN6855_HW20, 165 ATH11K_HW_WCN6855_HW21, 166 ATH11K_HW_WCN6750_HW10, 167 ATH11K_HW_IPQ5018_HW10, 168 }; 169 170 enum ath11k_firmware_mode { 171 /* the default mode, standard 802.11 functionality */ 172 ATH11K_FIRMWARE_MODE_NORMAL, 173 174 /* factory tests etc */ 175 ATH11K_FIRMWARE_MODE_FTM, 176 177 /* Cold boot calibration */ 178 ATH11K_FIRMWARE_MODE_COLD_BOOT = 7, 179 }; 180 181 extern bool ath11k_cold_boot_cal; 182 183 #define ATH11K_IRQ_NUM_MAX 52 184 #define ATH11K_EXT_IRQ_NUM_MAX 16 185 186 struct ath11k_ext_irq_grp { 187 struct ath11k_base *ab; 188 u32 irqs[ATH11K_EXT_IRQ_NUM_MAX]; 189 u32 num_irq; 190 u32 grp_id; 191 u64 timestamp; 192 bool napi_enabled; 193 struct napi_struct napi; 194 struct net_device napi_ndev; 195 }; 196 197 enum ath11k_smbios_cc_type { 198 /* disable country code setting from SMBIOS */ 199 ATH11K_SMBIOS_CC_DISABLE = 0, 200 201 /* set country code by ANSI country name, based on ISO3166-1 alpha2 */ 202 ATH11K_SMBIOS_CC_ISO = 1, 203 204 /* worldwide regdomain */ 205 ATH11K_SMBIOS_CC_WW = 2, 206 }; 207 208 struct ath11k_smbios_bdf { 209 struct dmi_header hdr; 210 211 u8 features_disabled; 212 213 /* enum ath11k_smbios_cc_type */ 214 u8 country_code_flag; 215 216 /* To set specific country, you need to set country code 217 * flag=ATH11K_SMBIOS_CC_ISO first, then if country is United 218 * States, then country code value = 0x5553 ("US",'U' = 0x55, 'S'= 219 * 0x53). To set country to INDONESIA, then country code value = 220 * 0x4944 ("IN", 'I'=0x49, 'D'=0x44). If country code flag = 221 * ATH11K_SMBIOS_CC_WW, then you can use worldwide regulatory 222 * setting. 223 */ 224 u16 cc_code; 225 226 u8 bdf_enabled; 227 u8 bdf_ext[]; 228 } __packed; 229 230 #define HEHANDLE_CAP_PHYINFO_SIZE 3 231 #define HECAP_PHYINFO_SIZE 9 232 #define HECAP_MACINFO_SIZE 5 233 #define HECAP_TXRX_MCS_NSS_SIZE 2 234 #define HECAP_PPET16_PPET8_MAX_SIZE 25 235 236 #define HE_PPET16_PPET8_SIZE 8 237 238 /* 802.11ax PPE (PPDU packet Extension) threshold */ 239 struct he_ppe_threshold { 240 u32 numss_m1; 241 u32 ru_mask; 242 u32 ppet16_ppet8_ru3_ru0[HE_PPET16_PPET8_SIZE]; 243 }; 244 245 struct ath11k_he { 246 u8 hecap_macinfo[HECAP_MACINFO_SIZE]; 247 u32 hecap_rxmcsnssmap; 248 u32 hecap_txmcsnssmap; 249 u32 hecap_phyinfo[HEHANDLE_CAP_PHYINFO_SIZE]; 250 struct he_ppe_threshold hecap_ppet; 251 u32 heop_param; 252 }; 253 254 #define MAX_RADIOS 3 255 256 /* ipq5018 hw param macros */ 257 #define MAX_RADIOS_5018 1 258 #define CE_CNT_5018 6 259 #define TARGET_CE_CNT_5018 9 260 #define SVC_CE_MAP_LEN_5018 17 261 #define RXDMA_PER_PDEV_5018 1 262 263 enum { 264 WMI_HOST_TP_SCALE_MAX = 0, 265 WMI_HOST_TP_SCALE_50 = 1, 266 WMI_HOST_TP_SCALE_25 = 2, 267 WMI_HOST_TP_SCALE_12 = 3, 268 WMI_HOST_TP_SCALE_MIN = 4, 269 WMI_HOST_TP_SCALE_SIZE = 5, 270 }; 271 272 enum ath11k_scan_state { 273 ATH11K_SCAN_IDLE, 274 ATH11K_SCAN_STARTING, 275 ATH11K_SCAN_RUNNING, 276 ATH11K_SCAN_ABORTING, 277 }; 278 279 enum ath11k_11d_state { 280 ATH11K_11D_IDLE, 281 ATH11K_11D_PREPARING, 282 ATH11K_11D_RUNNING, 283 }; 284 285 enum ath11k_dev_flags { 286 ATH11K_CAC_RUNNING, 287 ATH11K_FLAG_CORE_REGISTERED, 288 ATH11K_FLAG_CRASH_FLUSH, 289 ATH11K_FLAG_RAW_MODE, 290 ATH11K_FLAG_HW_CRYPTO_DISABLED, 291 ATH11K_FLAG_BTCOEX, 292 ATH11K_FLAG_RECOVERY, 293 ATH11K_FLAG_UNREGISTERING, 294 ATH11K_FLAG_REGISTERED, 295 ATH11K_FLAG_QMI_FAIL, 296 ATH11K_FLAG_HTC_SUSPEND_COMPLETE, 297 ATH11K_FLAG_CE_IRQ_ENABLED, 298 ATH11K_FLAG_EXT_IRQ_ENABLED, 299 ATH11K_FLAG_FIXED_MEM_RGN, 300 ATH11K_FLAG_DEVICE_INIT_DONE, 301 ATH11K_FLAG_MULTI_MSI_VECTORS, 302 ATH11K_FLAG_FTM_SEGMENTED, 303 }; 304 305 enum ath11k_monitor_flags { 306 ATH11K_FLAG_MONITOR_CONF_ENABLED, 307 ATH11K_FLAG_MONITOR_STARTED, 308 ATH11K_FLAG_MONITOR_VDEV_CREATED, 309 }; 310 311 #define ATH11K_IPV6_UC_TYPE 0 312 #define ATH11K_IPV6_AC_TYPE 1 313 314 #define ATH11K_IPV6_MAX_COUNT 16 315 #define ATH11K_IPV4_MAX_COUNT 2 316 317 struct ath11k_arp_ns_offload { 318 u8 ipv4_addr[ATH11K_IPV4_MAX_COUNT][4]; 319 u32 ipv4_count; 320 u32 ipv6_count; 321 u8 ipv6_addr[ATH11K_IPV6_MAX_COUNT][16]; 322 u8 self_ipv6_addr[ATH11K_IPV6_MAX_COUNT][16]; 323 u8 ipv6_type[ATH11K_IPV6_MAX_COUNT]; 324 bool ipv6_valid[ATH11K_IPV6_MAX_COUNT]; 325 u8 mac_addr[ETH_ALEN]; 326 }; 327 328 struct ath11k_rekey_data { 329 u8 kck[NL80211_KCK_LEN]; 330 u8 kek[NL80211_KCK_LEN]; 331 u64 replay_ctr; 332 bool enable_offload; 333 }; 334 335 struct ath11k_vif { 336 u32 vdev_id; 337 enum wmi_vdev_type vdev_type; 338 enum wmi_vdev_subtype vdev_subtype; 339 u32 beacon_interval; 340 u32 dtim_period; 341 u16 ast_hash; 342 u16 ast_idx; 343 u16 tcl_metadata; 344 u8 hal_addr_search_flags; 345 u8 search_type; 346 347 struct ath11k *ar; 348 struct ieee80211_vif *vif; 349 350 u16 tx_seq_no; 351 struct wmi_wmm_params_all_arg wmm_params; 352 struct list_head list; 353 union { 354 struct { 355 u32 uapsd; 356 } sta; 357 struct { 358 /* 127 stations; wmi limit */ 359 u8 tim_bitmap[16]; 360 u8 tim_len; 361 u32 ssid_len; 362 u8 ssid[IEEE80211_MAX_SSID_LEN]; 363 bool hidden_ssid; 364 /* P2P_IE with NoA attribute for P2P_GO case */ 365 u32 noa_len; 366 u8 *noa_data; 367 } ap; 368 } u; 369 370 bool is_started; 371 bool is_up; 372 bool ftm_responder; 373 bool spectral_enabled; 374 bool ps; 375 u32 aid; 376 u8 bssid[ETH_ALEN]; 377 struct cfg80211_bitrate_mask bitrate_mask; 378 struct delayed_work connection_loss_work; 379 int num_legacy_stations; 380 int rtscts_prot_mode; 381 int txpower; 382 bool rsnie_present; 383 bool wpaie_present; 384 bool bcca_zero_sent; 385 bool do_not_send_tmpl; 386 struct ieee80211_chanctx_conf chanctx; 387 struct ath11k_arp_ns_offload arp_ns_offload; 388 struct ath11k_rekey_data rekey_data; 389 390 #ifdef CONFIG_ATH11K_DEBUGFS 391 struct dentry *debugfs_twt; 392 #endif /* CONFIG_ATH11K_DEBUGFS */ 393 }; 394 395 struct ath11k_vif_iter { 396 u32 vdev_id; 397 struct ath11k_vif *arvif; 398 }; 399 400 struct ath11k_rx_peer_stats { 401 u64 num_msdu; 402 u64 num_mpdu_fcs_ok; 403 u64 num_mpdu_fcs_err; 404 u64 tcp_msdu_count; 405 u64 udp_msdu_count; 406 u64 other_msdu_count; 407 u64 ampdu_msdu_count; 408 u64 non_ampdu_msdu_count; 409 u64 stbc_count; 410 u64 beamformed_count; 411 u64 mcs_count[HAL_RX_MAX_MCS + 1]; 412 u64 nss_count[HAL_RX_MAX_NSS]; 413 u64 bw_count[HAL_RX_BW_MAX]; 414 u64 gi_count[HAL_RX_GI_MAX]; 415 u64 coding_count[HAL_RX_SU_MU_CODING_MAX]; 416 u64 tid_count[IEEE80211_NUM_TIDS + 1]; 417 u64 pream_cnt[HAL_RX_PREAMBLE_MAX]; 418 u64 reception_type[HAL_RX_RECEPTION_TYPE_MAX]; 419 u64 rx_duration; 420 u64 dcm_count; 421 u64 ru_alloc_cnt[HAL_RX_RU_ALLOC_TYPE_MAX]; 422 }; 423 424 #define ATH11K_HE_MCS_NUM 12 425 #define ATH11K_VHT_MCS_NUM 10 426 #define ATH11K_BW_NUM 4 427 #define ATH11K_NSS_NUM 4 428 #define ATH11K_LEGACY_NUM 12 429 #define ATH11K_GI_NUM 4 430 #define ATH11K_HT_MCS_NUM 32 431 432 enum ath11k_pkt_rx_err { 433 ATH11K_PKT_RX_ERR_FCS, 434 ATH11K_PKT_RX_ERR_TKIP, 435 ATH11K_PKT_RX_ERR_CRYPT, 436 ATH11K_PKT_RX_ERR_PEER_IDX_INVAL, 437 ATH11K_PKT_RX_ERR_MAX, 438 }; 439 440 enum ath11k_ampdu_subfrm_num { 441 ATH11K_AMPDU_SUBFRM_NUM_10, 442 ATH11K_AMPDU_SUBFRM_NUM_20, 443 ATH11K_AMPDU_SUBFRM_NUM_30, 444 ATH11K_AMPDU_SUBFRM_NUM_40, 445 ATH11K_AMPDU_SUBFRM_NUM_50, 446 ATH11K_AMPDU_SUBFRM_NUM_60, 447 ATH11K_AMPDU_SUBFRM_NUM_MORE, 448 ATH11K_AMPDU_SUBFRM_NUM_MAX, 449 }; 450 451 enum ath11k_amsdu_subfrm_num { 452 ATH11K_AMSDU_SUBFRM_NUM_1, 453 ATH11K_AMSDU_SUBFRM_NUM_2, 454 ATH11K_AMSDU_SUBFRM_NUM_3, 455 ATH11K_AMSDU_SUBFRM_NUM_4, 456 ATH11K_AMSDU_SUBFRM_NUM_MORE, 457 ATH11K_AMSDU_SUBFRM_NUM_MAX, 458 }; 459 460 enum ath11k_counter_type { 461 ATH11K_COUNTER_TYPE_BYTES, 462 ATH11K_COUNTER_TYPE_PKTS, 463 ATH11K_COUNTER_TYPE_MAX, 464 }; 465 466 enum ath11k_stats_type { 467 ATH11K_STATS_TYPE_SUCC, 468 ATH11K_STATS_TYPE_FAIL, 469 ATH11K_STATS_TYPE_RETRY, 470 ATH11K_STATS_TYPE_AMPDU, 471 ATH11K_STATS_TYPE_MAX, 472 }; 473 474 struct ath11k_htt_data_stats { 475 u64 legacy[ATH11K_COUNTER_TYPE_MAX][ATH11K_LEGACY_NUM]; 476 u64 ht[ATH11K_COUNTER_TYPE_MAX][ATH11K_HT_MCS_NUM]; 477 u64 vht[ATH11K_COUNTER_TYPE_MAX][ATH11K_VHT_MCS_NUM]; 478 u64 he[ATH11K_COUNTER_TYPE_MAX][ATH11K_HE_MCS_NUM]; 479 u64 bw[ATH11K_COUNTER_TYPE_MAX][ATH11K_BW_NUM]; 480 u64 nss[ATH11K_COUNTER_TYPE_MAX][ATH11K_NSS_NUM]; 481 u64 gi[ATH11K_COUNTER_TYPE_MAX][ATH11K_GI_NUM]; 482 }; 483 484 struct ath11k_htt_tx_stats { 485 struct ath11k_htt_data_stats stats[ATH11K_STATS_TYPE_MAX]; 486 u64 tx_duration; 487 u64 ba_fails; 488 u64 ack_fails; 489 }; 490 491 struct ath11k_per_ppdu_tx_stats { 492 u16 succ_pkts; 493 u16 failed_pkts; 494 u16 retry_pkts; 495 u32 succ_bytes; 496 u32 failed_bytes; 497 u32 retry_bytes; 498 }; 499 500 DECLARE_EWMA(avg_rssi, 10, 8) 501 502 struct ath11k_sta { 503 struct ath11k_vif *arvif; 504 505 /* the following are protected by ar->data_lock */ 506 u32 changed; /* IEEE80211_RC_* */ 507 u32 bw; 508 u32 nss; 509 u32 smps; 510 enum hal_pn_type pn_type; 511 512 struct work_struct update_wk; 513 struct work_struct set_4addr_wk; 514 struct rate_info txrate; 515 u32 peer_nss; 516 struct rate_info last_txrate; 517 u64 rx_duration; 518 u64 tx_duration; 519 u8 rssi_comb; 520 struct ewma_avg_rssi avg_rssi; 521 s8 rssi_beacon; 522 s8 chain_signal[IEEE80211_MAX_CHAINS]; 523 struct ath11k_htt_tx_stats *tx_stats; 524 struct ath11k_rx_peer_stats *rx_stats; 525 526 #ifdef CONFIG_MAC80211_DEBUGFS 527 /* protected by conf_mutex */ 528 bool aggr_mode; 529 #endif 530 531 bool use_4addr_set; 532 u16 tcl_metadata; 533 534 /* Protected with ar->data_lock */ 535 enum ath11k_wmi_peer_ps_state peer_ps_state; 536 u64 ps_start_time; 537 u64 ps_start_jiffies; 538 u64 ps_total_duration; 539 bool peer_current_ps_valid; 540 541 u32 bw_prev; 542 }; 543 544 #define ATH11K_MIN_5G_FREQ 4150 545 #define ATH11K_MIN_6G_FREQ 5925 546 #define ATH11K_MAX_6G_FREQ 7115 547 #define ATH11K_NUM_CHANS 102 548 #define ATH11K_MAX_5G_CHAN 177 549 550 enum ath11k_state { 551 ATH11K_STATE_OFF, 552 ATH11K_STATE_ON, 553 ATH11K_STATE_RESTARTING, 554 ATH11K_STATE_RESTARTED, 555 ATH11K_STATE_WEDGED, 556 ATH11K_STATE_FTM, 557 /* Add other states as required */ 558 }; 559 560 /* Antenna noise floor */ 561 #define ATH11K_DEFAULT_NOISE_FLOOR -95 562 563 #define ATH11K_INVALID_RSSI_FULL -1 564 565 #define ATH11K_INVALID_RSSI_EMPTY -128 566 567 struct ath11k_fw_stats { 568 struct dentry *debugfs_fwstats; 569 u32 pdev_id; 570 u32 stats_id; 571 struct list_head pdevs; 572 struct list_head vdevs; 573 struct list_head bcn; 574 }; 575 576 struct ath11k_dbg_htt_stats { 577 u8 type; 578 u8 reset; 579 struct debug_htt_stats_req *stats_req; 580 /* protects shared stats req buffer */ 581 spinlock_t lock; 582 }; 583 584 #define MAX_MODULE_ID_BITMAP_WORDS 16 585 586 struct ath11k_debug { 587 struct dentry *debugfs_pdev; 588 struct ath11k_dbg_htt_stats htt_stats; 589 u32 extd_tx_stats; 590 u32 extd_rx_stats; 591 u32 pktlog_filter; 592 u32 pktlog_mode; 593 u32 pktlog_peer_valid; 594 u8 pktlog_peer_addr[ETH_ALEN]; 595 u32 rx_filter; 596 u32 mem_offset; 597 u32 module_id_bitmap[MAX_MODULE_ID_BITMAP_WORDS]; 598 struct ath11k_debug_dbr *dbr_debug[WMI_DIRECT_BUF_MAX]; 599 }; 600 601 struct ath11k_per_peer_tx_stats { 602 u32 succ_bytes; 603 u32 retry_bytes; 604 u32 failed_bytes; 605 u16 succ_pkts; 606 u16 retry_pkts; 607 u16 failed_pkts; 608 u32 duration; 609 u8 ba_fails; 610 bool is_ampdu; 611 }; 612 613 #define ATH11K_FLUSH_TIMEOUT (5 * HZ) 614 #define ATH11K_VDEV_DELETE_TIMEOUT_HZ (5 * HZ) 615 616 struct ath11k { 617 struct ath11k_base *ab; 618 struct ath11k_pdev *pdev; 619 struct ieee80211_hw *hw; 620 struct ieee80211_ops *ops; 621 struct ath11k_pdev_wmi *wmi; 622 struct ath11k_pdev_dp dp; 623 u8 mac_addr[ETH_ALEN]; 624 struct ath11k_he ar_he; 625 enum ath11k_state state; 626 bool supports_6ghz; 627 struct { 628 struct completion started; 629 struct completion completed; 630 struct completion on_channel; 631 struct delayed_work timeout; 632 enum ath11k_scan_state state; 633 bool is_roc; 634 int vdev_id; 635 int roc_freq; 636 bool roc_notify; 637 } scan; 638 639 struct { 640 struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; 641 struct ieee80211_sband_iftype_data 642 iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES]; 643 } mac; 644 645 unsigned long dev_flags; 646 unsigned int filter_flags; 647 unsigned long monitor_flags; 648 u32 min_tx_power; 649 u32 max_tx_power; 650 u32 txpower_limit_2g; 651 u32 txpower_limit_5g; 652 u32 txpower_scale; 653 u32 power_scale; 654 u32 chan_tx_pwr; 655 u32 num_stations; 656 u32 max_num_stations; 657 /* To synchronize concurrent synchronous mac80211 callback operations, 658 * concurrent debugfs configuration and concurrent FW statistics events. 659 */ 660 struct mutex conf_mutex; 661 /* protects the radio specific data like debug stats, ppdu_stats_info stats, 662 * vdev_stop_status info, scan data, ath11k_sta info, ath11k_vif info, 663 * channel context data, survey info, test mode data. 664 */ 665 spinlock_t data_lock; 666 667 struct list_head arvifs; 668 /* should never be NULL; needed for regular htt rx */ 669 struct ieee80211_channel *rx_channel; 670 671 /* valid during scan; needed for mgmt rx during scan */ 672 struct ieee80211_channel *scan_channel; 673 674 u8 cfg_tx_chainmask; 675 u8 cfg_rx_chainmask; 676 u8 num_rx_chains; 677 u8 num_tx_chains; 678 /* pdev_idx starts from 0 whereas pdev->pdev_id starts with 1 */ 679 u8 pdev_idx; 680 u8 lmac_id; 681 682 struct completion peer_assoc_done; 683 struct completion peer_delete_done; 684 685 int install_key_status; 686 struct completion install_key_done; 687 688 int last_wmi_vdev_start_status; 689 struct completion vdev_setup_done; 690 struct completion vdev_delete_done; 691 692 int num_peers; 693 int max_num_peers; 694 u32 num_started_vdevs; 695 u32 num_created_vdevs; 696 unsigned long long allocated_vdev_map; 697 698 struct idr txmgmt_idr; 699 /* protects txmgmt_idr data */ 700 spinlock_t txmgmt_idr_lock; 701 atomic_t num_pending_mgmt_tx; 702 wait_queue_head_t txmgmt_empty_waitq; 703 704 /* cycle count is reported twice for each visited channel during scan. 705 * access protected by data_lock 706 */ 707 u32 survey_last_rx_clear_count; 708 u32 survey_last_cycle_count; 709 710 /* Channel info events are expected to come in pairs without and with 711 * COMPLETE flag set respectively for each channel visit during scan. 712 * 713 * However there are deviations from this rule. This flag is used to 714 * avoid reporting garbage data. 715 */ 716 bool ch_info_can_report_survey; 717 struct survey_info survey[ATH11K_NUM_CHANS]; 718 struct completion bss_survey_done; 719 720 struct work_struct regd_update_work; 721 722 struct work_struct wmi_mgmt_tx_work; 723 struct sk_buff_head wmi_mgmt_tx_queue; 724 725 struct ath11k_wow wow; 726 struct completion target_suspend; 727 bool target_suspend_ack; 728 struct ath11k_per_peer_tx_stats peer_tx_stats; 729 struct list_head ppdu_stats_info; 730 u32 ppdu_stat_list_depth; 731 732 struct ath11k_per_peer_tx_stats cached_stats; 733 u32 last_ppdu_id; 734 u32 cached_ppdu_id; 735 int monitor_vdev_id; 736 struct completion fw_mode_reset; 737 u8 ftm_msgref; 738 #ifdef CONFIG_ATH11K_DEBUGFS 739 struct ath11k_debug debug; 740 #endif 741 #ifdef CONFIG_ATH11K_SPECTRAL 742 struct ath11k_spectral spectral; 743 #endif 744 bool dfs_block_radar_events; 745 struct ath11k_thermal thermal; 746 u32 vdev_id_11d_scan; 747 struct completion completed_11d_scan; 748 enum ath11k_11d_state state_11d; 749 bool regdom_set_by_user; 750 int hw_rate_code; 751 u8 twt_enabled; 752 bool nlo_enabled; 753 u8 alpha2[REG_ALPHA2_LEN + 1]; 754 struct ath11k_fw_stats fw_stats; 755 struct completion fw_stats_complete; 756 bool fw_stats_done; 757 758 /* protected by conf_mutex */ 759 bool ps_state_enable; 760 bool ps_timekeeper_enable; 761 }; 762 763 struct ath11k_band_cap { 764 u32 phy_id; 765 u32 max_bw_supported; 766 u32 ht_cap_info; 767 u32 he_cap_info[2]; 768 u32 he_mcs; 769 u32 he_cap_phy_info[PSOC_HOST_MAX_PHY_SIZE]; 770 struct ath11k_ppe_threshold he_ppet; 771 u16 he_6ghz_capa; 772 }; 773 774 struct ath11k_pdev_cap { 775 u32 supported_bands; 776 u32 ampdu_density; 777 u32 vht_cap; 778 u32 vht_mcs; 779 u32 he_mcs; 780 u32 tx_chain_mask; 781 u32 rx_chain_mask; 782 u32 tx_chain_mask_shift; 783 u32 rx_chain_mask_shift; 784 struct ath11k_band_cap band[NUM_NL80211_BANDS]; 785 bool nss_ratio_enabled; 786 u8 nss_ratio_info; 787 }; 788 789 struct ath11k_pdev { 790 struct ath11k *ar; 791 u32 pdev_id; 792 struct ath11k_pdev_cap cap; 793 u8 mac_addr[ETH_ALEN]; 794 }; 795 796 struct ath11k_board_data { 797 const struct firmware *fw; 798 const void *data; 799 size_t len; 800 }; 801 802 struct ath11k_pci_ops { 803 int (*wakeup)(struct ath11k_base *ab); 804 void (*release)(struct ath11k_base *ab); 805 int (*get_msi_irq)(struct ath11k_base *ab, unsigned int vector); 806 void (*window_write32)(struct ath11k_base *ab, u32 offset, u32 value); 807 u32 (*window_read32)(struct ath11k_base *ab, u32 offset); 808 }; 809 810 /* IPQ8074 HW channel counters frequency value in hertz */ 811 #define IPQ8074_CC_FREQ_HERTZ 320000 812 813 struct ath11k_bp_stats { 814 /* Head Pointer reported by the last HTT Backpressure event for the ring */ 815 u16 hp; 816 817 /* Tail Pointer reported by the last HTT Backpressure event for the ring */ 818 u16 tp; 819 820 /* Number of Backpressure events received for the ring */ 821 u32 count; 822 823 /* Last recorded event timestamp */ 824 unsigned long jiffies; 825 }; 826 827 struct ath11k_dp_ring_bp_stats { 828 struct ath11k_bp_stats umac_ring_bp_stats[HTT_SW_UMAC_RING_IDX_MAX]; 829 struct ath11k_bp_stats lmac_ring_bp_stats[HTT_SW_LMAC_RING_IDX_MAX][MAX_RADIOS]; 830 }; 831 832 struct ath11k_soc_dp_tx_err_stats { 833 /* TCL Ring Descriptor unavailable */ 834 u32 desc_na[DP_TCL_NUM_RING_MAX]; 835 /* Other failures during dp_tx due to mem allocation failure 836 * idr unavailable etc. 837 */ 838 atomic_t misc_fail; 839 }; 840 841 struct ath11k_soc_dp_stats { 842 u32 err_ring_pkts; 843 u32 invalid_rbm; 844 u32 rxdma_error[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX]; 845 u32 reo_error[HAL_REO_DEST_RING_ERROR_CODE_MAX]; 846 u32 hal_reo_error[DP_REO_DST_RING_MAX]; 847 struct ath11k_soc_dp_tx_err_stats tx_err; 848 struct ath11k_dp_ring_bp_stats bp_stats; 849 }; 850 851 struct ath11k_msi_user { 852 char *name; 853 int num_vectors; 854 u32 base_vector; 855 }; 856 857 struct ath11k_msi_config { 858 int total_vectors; 859 int total_users; 860 struct ath11k_msi_user *users; 861 u16 hw_rev; 862 }; 863 864 /* Master structure to hold the hw data which may be used in core module */ 865 struct ath11k_base { 866 enum ath11k_hw_rev hw_rev; 867 enum ath11k_firmware_mode fw_mode; 868 struct platform_device *pdev; 869 struct device *dev; 870 struct ath11k_qmi qmi; 871 struct ath11k_wmi_base wmi_ab; 872 struct completion fw_ready; 873 int num_radios; 874 /* HW channel counters frequency value in hertz common to all MACs */ 875 u32 cc_freq_hz; 876 877 struct ath11k_htc htc; 878 879 struct ath11k_dp dp; 880 881 void __iomem *mem; 882 void __iomem *mem_ce; 883 unsigned long mem_len; 884 885 struct { 886 enum ath11k_bus bus; 887 const struct ath11k_hif_ops *ops; 888 } hif; 889 890 struct { 891 struct completion wakeup_completed; 892 } wow; 893 894 struct ath11k_ce ce; 895 struct timer_list rx_replenish_retry; 896 struct ath11k_hal hal; 897 /* To synchronize core_start/core_stop */ 898 struct mutex core_lock; 899 /* Protects data like peers */ 900 spinlock_t base_lock; 901 struct ath11k_pdev pdevs[MAX_RADIOS]; 902 struct { 903 enum WMI_HOST_WLAN_BAND supported_bands; 904 u32 pdev_id; 905 } target_pdev_ids[MAX_RADIOS]; 906 u8 target_pdev_count; 907 struct ath11k_pdev __rcu *pdevs_active[MAX_RADIOS]; 908 struct ath11k_hal_reg_capabilities_ext hal_reg_cap[MAX_RADIOS]; 909 unsigned long long free_vdev_map; 910 911 /* To synchronize rhash tbl write operation */ 912 struct mutex tbl_mtx_lock; 913 914 /* The rhashtable containing struct ath11k_peer keyed by mac addr */ 915 struct rhashtable *rhead_peer_addr; 916 struct rhashtable_params rhash_peer_addr_param; 917 918 /* The rhashtable containing struct ath11k_peer keyed by id */ 919 struct rhashtable *rhead_peer_id; 920 struct rhashtable_params rhash_peer_id_param; 921 922 struct list_head peers; 923 wait_queue_head_t peer_mapping_wq; 924 u8 mac_addr[ETH_ALEN]; 925 bool wmi_ready; 926 u32 wlan_init_status; 927 int irq_num[ATH11K_IRQ_NUM_MAX]; 928 struct ath11k_ext_irq_grp ext_irq_grp[ATH11K_EXT_IRQ_GRP_NUM_MAX]; 929 struct ath11k_targ_cap target_caps; 930 u32 ext_service_bitmap[WMI_SERVICE_EXT_BM_SIZE]; 931 bool pdevs_macaddr_valid; 932 int bd_api; 933 934 struct ath11k_hw_params hw_params; 935 936 const struct firmware *cal_file; 937 938 /* Below regd's are protected by ab->data_lock */ 939 /* This is the regd set for every radio 940 * by the firmware during initialization 941 */ 942 struct ieee80211_regdomain *default_regd[MAX_RADIOS]; 943 /* This regd is set during dynamic country setting 944 * This may or may not be used during the runtime 945 */ 946 struct ieee80211_regdomain *new_regd[MAX_RADIOS]; 947 948 /* Current DFS Regulatory */ 949 enum ath11k_dfs_region dfs_region; 950 #ifdef CONFIG_ATH11K_DEBUGFS 951 struct dentry *debugfs_soc; 952 #endif 953 struct ath11k_soc_dp_stats soc_stats; 954 955 unsigned long dev_flags; 956 struct completion driver_recovery; 957 struct workqueue_struct *workqueue; 958 struct work_struct restart_work; 959 struct work_struct update_11d_work; 960 u8 new_alpha2[3]; 961 struct workqueue_struct *workqueue_aux; 962 struct work_struct reset_work; 963 atomic_t reset_count; 964 atomic_t recovery_count; 965 atomic_t recovery_start_count; 966 bool is_reset; 967 struct completion reset_complete; 968 struct completion reconfigure_complete; 969 struct completion recovery_start; 970 /* continuous recovery fail count */ 971 atomic_t fail_cont_count; 972 unsigned long reset_fail_timeout; 973 struct { 974 /* protected by data_lock */ 975 u32 fw_crash_counter; 976 } stats; 977 u32 pktlog_defs_checksum; 978 979 struct ath11k_dbring_cap *db_caps; 980 u32 num_db_cap; 981 982 /* To synchronize 11d scan vdev id */ 983 struct mutex vdev_id_11d_lock; 984 struct timer_list mon_reap_timer; 985 986 struct completion htc_suspend; 987 988 struct { 989 enum ath11k_bdf_search bdf_search; 990 u32 vendor; 991 u32 device; 992 u32 subsystem_vendor; 993 u32 subsystem_device; 994 } id; 995 996 struct { 997 struct { 998 const struct ath11k_msi_config *config; 999 u32 ep_base_data; 1000 u32 irqs[32]; 1001 u32 addr_lo; 1002 u32 addr_hi; 1003 } msi; 1004 1005 const struct ath11k_pci_ops *ops; 1006 } pci; 1007 1008 #ifdef CONFIG_NL80211_TESTMODE 1009 struct { 1010 u32 data_pos; 1011 u32 expected_seq; 1012 u8 *eventdata; 1013 } testmode; 1014 #endif 1015 1016 /* must be last */ 1017 u8 drv_priv[] __aligned(sizeof(void *)); 1018 }; 1019 1020 struct ath11k_fw_stats_pdev { 1021 struct list_head list; 1022 1023 /* PDEV stats */ 1024 s32 ch_noise_floor; 1025 /* Cycles spent transmitting frames */ 1026 u32 tx_frame_count; 1027 /* Cycles spent receiving frames */ 1028 u32 rx_frame_count; 1029 /* Total channel busy time, evidently */ 1030 u32 rx_clear_count; 1031 /* Total on-channel time */ 1032 u32 cycle_count; 1033 u32 phy_err_count; 1034 u32 chan_tx_power; 1035 u32 ack_rx_bad; 1036 u32 rts_bad; 1037 u32 rts_good; 1038 u32 fcs_bad; 1039 u32 no_beacons; 1040 u32 mib_int_count; 1041 1042 /* PDEV TX stats */ 1043 /* Num HTT cookies queued to dispatch list */ 1044 s32 comp_queued; 1045 /* Num HTT cookies dispatched */ 1046 s32 comp_delivered; 1047 /* Num MSDU queued to WAL */ 1048 s32 msdu_enqued; 1049 /* Num MPDU queue to WAL */ 1050 s32 mpdu_enqued; 1051 /* Num MSDUs dropped by WMM limit */ 1052 s32 wmm_drop; 1053 /* Num Local frames queued */ 1054 s32 local_enqued; 1055 /* Num Local frames done */ 1056 s32 local_freed; 1057 /* Num queued to HW */ 1058 s32 hw_queued; 1059 /* Num PPDU reaped from HW */ 1060 s32 hw_reaped; 1061 /* Num underruns */ 1062 s32 underrun; 1063 /* Num hw paused */ 1064 u32 hw_paused; 1065 /* Num PPDUs cleaned up in TX abort */ 1066 s32 tx_abort; 1067 /* Num MPDUs requeued by SW */ 1068 s32 mpdus_requeued; 1069 /* excessive retries */ 1070 u32 tx_ko; 1071 u32 tx_xretry; 1072 /* data hw rate code */ 1073 u32 data_rc; 1074 /* Scheduler self triggers */ 1075 u32 self_triggers; 1076 /* frames dropped due to excessive sw retries */ 1077 u32 sw_retry_failure; 1078 /* illegal rate phy errors */ 1079 u32 illgl_rate_phy_err; 1080 /* wal pdev continuous xretry */ 1081 u32 pdev_cont_xretry; 1082 /* wal pdev tx timeouts */ 1083 u32 pdev_tx_timeout; 1084 /* wal pdev resets */ 1085 u32 pdev_resets; 1086 /* frames dropped due to non-availability of stateless TIDs */ 1087 u32 stateless_tid_alloc_failure; 1088 /* PhY/BB underrun */ 1089 u32 phy_underrun; 1090 /* MPDU is more than txop limit */ 1091 u32 txop_ovf; 1092 /* Num sequences posted */ 1093 u32 seq_posted; 1094 /* Num sequences failed in queueing */ 1095 u32 seq_failed_queueing; 1096 /* Num sequences completed */ 1097 u32 seq_completed; 1098 /* Num sequences restarted */ 1099 u32 seq_restarted; 1100 /* Num of MU sequences posted */ 1101 u32 mu_seq_posted; 1102 /* Num MPDUs flushed by SW, HWPAUSED, SW TXABORT 1103 * (Reset,channel change) 1104 */ 1105 s32 mpdus_sw_flush; 1106 /* Num MPDUs filtered by HW, all filter condition (TTL expired) */ 1107 s32 mpdus_hw_filter; 1108 /* Num MPDUs truncated by PDG (TXOP, TBTT, 1109 * PPDU_duration based on rate, dyn_bw) 1110 */ 1111 s32 mpdus_truncated; 1112 /* Num MPDUs that was tried but didn't receive ACK or BA */ 1113 s32 mpdus_ack_failed; 1114 /* Num MPDUs that was dropped du to expiry. */ 1115 s32 mpdus_expired; 1116 1117 /* PDEV RX stats */ 1118 /* Cnts any change in ring routing mid-ppdu */ 1119 s32 mid_ppdu_route_change; 1120 /* Total number of statuses processed */ 1121 s32 status_rcvd; 1122 /* Extra frags on rings 0-3 */ 1123 s32 r0_frags; 1124 s32 r1_frags; 1125 s32 r2_frags; 1126 s32 r3_frags; 1127 /* MSDUs / MPDUs delivered to HTT */ 1128 s32 htt_msdus; 1129 s32 htt_mpdus; 1130 /* MSDUs / MPDUs delivered to local stack */ 1131 s32 loc_msdus; 1132 s32 loc_mpdus; 1133 /* AMSDUs that have more MSDUs than the status ring size */ 1134 s32 oversize_amsdu; 1135 /* Number of PHY errors */ 1136 s32 phy_errs; 1137 /* Number of PHY errors drops */ 1138 s32 phy_err_drop; 1139 /* Number of mpdu errors - FCS, MIC, ENC etc. */ 1140 s32 mpdu_errs; 1141 /* Num overflow errors */ 1142 s32 rx_ovfl_errs; 1143 }; 1144 1145 struct ath11k_fw_stats_vdev { 1146 struct list_head list; 1147 1148 u32 vdev_id; 1149 u32 beacon_snr; 1150 u32 data_snr; 1151 u32 num_tx_frames[WLAN_MAX_AC]; 1152 u32 num_rx_frames; 1153 u32 num_tx_frames_retries[WLAN_MAX_AC]; 1154 u32 num_tx_frames_failures[WLAN_MAX_AC]; 1155 u32 num_rts_fail; 1156 u32 num_rts_success; 1157 u32 num_rx_err; 1158 u32 num_rx_discard; 1159 u32 num_tx_not_acked; 1160 u32 tx_rate_history[MAX_TX_RATE_VALUES]; 1161 u32 beacon_rssi_history[MAX_TX_RATE_VALUES]; 1162 }; 1163 1164 struct ath11k_fw_stats_bcn { 1165 struct list_head list; 1166 1167 u32 vdev_id; 1168 u32 tx_bcn_succ_cnt; 1169 u32 tx_bcn_outage_cnt; 1170 }; 1171 1172 void ath11k_fw_stats_init(struct ath11k *ar); 1173 void ath11k_fw_stats_pdevs_free(struct list_head *head); 1174 void ath11k_fw_stats_vdevs_free(struct list_head *head); 1175 void ath11k_fw_stats_bcn_free(struct list_head *head); 1176 void ath11k_fw_stats_free(struct ath11k_fw_stats *stats); 1177 1178 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_ipq8074[]; 1179 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq8074[]; 1180 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq6018[]; 1181 1182 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qca6390[]; 1183 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qca6390[]; 1184 1185 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_ipq5018[]; 1186 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq5018[]; 1187 1188 extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qcn9074[]; 1189 extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qcn9074[]; 1190 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab); 1191 int ath11k_core_pre_init(struct ath11k_base *ab); 1192 int ath11k_core_init(struct ath11k_base *ath11k); 1193 void ath11k_core_deinit(struct ath11k_base *ath11k); 1194 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size, 1195 enum ath11k_bus bus); 1196 void ath11k_core_free(struct ath11k_base *ath11k); 1197 int ath11k_core_fetch_bdf(struct ath11k_base *ath11k, 1198 struct ath11k_board_data *bd); 1199 int ath11k_core_fetch_regdb(struct ath11k_base *ab, struct ath11k_board_data *bd); 1200 int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab, 1201 struct ath11k_board_data *bd, 1202 const char *name); 1203 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd); 1204 int ath11k_core_check_dt(struct ath11k_base *ath11k); 1205 int ath11k_core_check_smbios(struct ath11k_base *ab); 1206 void ath11k_core_halt(struct ath11k *ar); 1207 int ath11k_core_resume(struct ath11k_base *ab); 1208 int ath11k_core_suspend(struct ath11k_base *ab); 1209 void ath11k_core_pre_reconfigure_recovery(struct ath11k_base *ab); 1210 bool ath11k_core_coldboot_cal_support(struct ath11k_base *ab); 1211 1212 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, 1213 const char *filename); 1214 1215 static inline const char *ath11k_scan_state_str(enum ath11k_scan_state state) 1216 { 1217 switch (state) { 1218 case ATH11K_SCAN_IDLE: 1219 return "idle"; 1220 case ATH11K_SCAN_STARTING: 1221 return "starting"; 1222 case ATH11K_SCAN_RUNNING: 1223 return "running"; 1224 case ATH11K_SCAN_ABORTING: 1225 return "aborting"; 1226 } 1227 1228 return "unknown"; 1229 } 1230 1231 static inline struct ath11k_skb_cb *ATH11K_SKB_CB(struct sk_buff *skb) 1232 { 1233 BUILD_BUG_ON(sizeof(struct ath11k_skb_cb) > 1234 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 1235 return (struct ath11k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data; 1236 } 1237 1238 static inline struct ath11k_skb_rxcb *ATH11K_SKB_RXCB(struct sk_buff *skb) 1239 { 1240 BUILD_BUG_ON(sizeof(struct ath11k_skb_rxcb) > sizeof(skb->cb)); 1241 return (struct ath11k_skb_rxcb *)skb->cb; 1242 } 1243 1244 static inline struct ath11k_vif *ath11k_vif_to_arvif(struct ieee80211_vif *vif) 1245 { 1246 return (struct ath11k_vif *)vif->drv_priv; 1247 } 1248 1249 static inline struct ath11k *ath11k_ab_to_ar(struct ath11k_base *ab, 1250 int mac_id) 1251 { 1252 return ab->pdevs[ath11k_hw_mac_id_to_pdev_id(&ab->hw_params, mac_id)].ar; 1253 } 1254 1255 static inline void ath11k_core_create_firmware_path(struct ath11k_base *ab, 1256 const char *filename, 1257 void *buf, size_t buf_len) 1258 { 1259 snprintf(buf, buf_len, "%s/%s/%s", ATH11K_FW_DIR, 1260 ab->hw_params.fw.dir, filename); 1261 } 1262 1263 static inline const char *ath11k_bus_str(enum ath11k_bus bus) 1264 { 1265 switch (bus) { 1266 case ATH11K_BUS_PCI: 1267 return "pci"; 1268 case ATH11K_BUS_AHB: 1269 return "ahb"; 1270 } 1271 1272 return "unknown"; 1273 } 1274 1275 #endif /* _CORE_H_ */ 1276