1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2022 MediaTek Inc. 4 */ 5 6 #include "mt7996.h" 7 #include "mcu.h" 8 9 static bool mt7996_dev_running(struct mt7996_dev *dev) 10 { 11 struct mt7996_phy *phy; 12 13 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 14 return true; 15 16 phy = mt7996_phy2(dev); 17 if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) 18 return true; 19 20 phy = mt7996_phy3(dev); 21 22 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); 23 } 24 25 static int mt7996_start(struct ieee80211_hw *hw) 26 { 27 struct mt7996_dev *dev = mt7996_hw_dev(hw); 28 struct mt7996_phy *phy = mt7996_hw_phy(hw); 29 bool running; 30 int ret; 31 32 flush_work(&dev->init_work); 33 34 mutex_lock(&dev->mt76.mutex); 35 36 running = mt7996_dev_running(dev); 37 if (!running) { 38 ret = mt7996_mcu_set_hdr_trans(dev, true); 39 if (ret) 40 goto out; 41 } 42 43 mt7996_mac_enable_nf(dev, phy->mt76->band_idx); 44 45 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b); 46 if (ret) 47 goto out; 48 49 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 50 if (ret) 51 goto out; 52 53 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 54 55 ieee80211_iterate_interfaces(dev->mt76.hw, 56 IEEE80211_IFACE_ITER_RESUME_ALL, 57 mt7996_mcu_set_pm, dev->mt76.hw); 58 59 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 60 MT7996_WATCHDOG_TIME); 61 62 if (!running) 63 mt7996_mac_reset_counters(phy); 64 65 out: 66 mutex_unlock(&dev->mt76.mutex); 67 68 return ret; 69 } 70 71 static void mt7996_stop(struct ieee80211_hw *hw) 72 { 73 struct mt7996_dev *dev = mt7996_hw_dev(hw); 74 struct mt7996_phy *phy = mt7996_hw_phy(hw); 75 76 cancel_delayed_work_sync(&phy->mt76->mac_work); 77 78 mutex_lock(&dev->mt76.mutex); 79 80 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 81 82 ieee80211_iterate_interfaces(dev->mt76.hw, 83 IEEE80211_IFACE_ITER_RESUME_ALL, 84 mt7996_mcu_set_pm, dev->mt76.hw); 85 86 mutex_unlock(&dev->mt76.mutex); 87 } 88 89 static inline int get_free_idx(u32 mask, u8 start, u8 end) 90 { 91 return ffs(~mask & GENMASK(end, start)); 92 } 93 94 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 95 { 96 int i; 97 98 switch (type) { 99 case NL80211_IFTYPE_MESH_POINT: 100 case NL80211_IFTYPE_ADHOC: 101 case NL80211_IFTYPE_STATION: 102 /* prefer hw bssid slot 1-3 */ 103 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 104 if (i) 105 return i - 1; 106 107 if (type != NL80211_IFTYPE_STATION) 108 break; 109 110 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 111 if (i) 112 return i - 1; 113 114 if (~mask & BIT(HW_BSSID_0)) 115 return HW_BSSID_0; 116 117 break; 118 case NL80211_IFTYPE_MONITOR: 119 case NL80211_IFTYPE_AP: 120 /* ap uses hw bssid 0 and ext bssid */ 121 if (~mask & BIT(HW_BSSID_0)) 122 return HW_BSSID_0; 123 124 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 125 if (i) 126 return i - 1; 127 128 break; 129 default: 130 WARN_ON(1); 131 break; 132 } 133 134 return -1; 135 } 136 137 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) 138 { 139 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 140 int i; 141 142 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 143 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 144 mvif->bitrate_mask.control[i].he_gi = 0xff; 145 mvif->bitrate_mask.control[i].he_ltf = 0xff; 146 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 147 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 148 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 149 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 150 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 151 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 152 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 153 } 154 } 155 156 static int mt7996_add_interface(struct ieee80211_hw *hw, 157 struct ieee80211_vif *vif) 158 { 159 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 160 struct mt7996_dev *dev = mt7996_hw_dev(hw); 161 struct mt7996_phy *phy = mt7996_hw_phy(hw); 162 struct mt76_txq *mtxq; 163 u8 band_idx = phy->mt76->band_idx; 164 int idx, ret = 0; 165 166 mutex_lock(&dev->mt76.mutex); 167 168 if (vif->type == NL80211_IFTYPE_MONITOR && 169 is_zero_ether_addr(vif->addr)) 170 phy->monitor_vif = vif; 171 172 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 173 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) { 174 ret = -ENOSPC; 175 goto out; 176 } 177 178 idx = get_omac_idx(vif->type, phy->omac_mask); 179 if (idx < 0) { 180 ret = -ENOSPC; 181 goto out; 182 } 183 mvif->mt76.omac_idx = idx; 184 mvif->phy = phy; 185 mvif->mt76.band_idx = band_idx; 186 mvif->mt76.wmm_idx = band_idx; 187 188 ret = mt7996_mcu_add_dev_info(phy, vif, true); 189 if (ret) 190 goto out; 191 192 ret = mt7996_mcu_set_radio_en(phy, true); 193 if (ret) 194 goto out; 195 196 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 197 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 198 199 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; 200 201 INIT_LIST_HEAD(&mvif->sta.rc_list); 202 INIT_LIST_HEAD(&mvif->sta.poll_list); 203 mvif->sta.wcid.idx = idx; 204 mvif->sta.wcid.phy_idx = band_idx; 205 mvif->sta.wcid.hw_key_idx = -1; 206 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 207 mt76_packet_id_init(&mvif->sta.wcid); 208 209 mt7996_mac_wtbl_update(dev, idx, 210 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 211 212 if (vif->txq) { 213 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 214 mtxq->wcid = idx; 215 } 216 217 if (vif->type != NL80211_IFTYPE_AP && 218 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 219 vif->offload_flags = 0; 220 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 221 222 mt7996_init_bitrate_mask(vif); 223 memset(&mvif->cap, -1, sizeof(mvif->cap)); 224 225 mt7996_mcu_add_bss_info(phy, vif, true); 226 mt7996_mcu_add_sta(dev, vif, NULL, true); 227 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 228 229 out: 230 mutex_unlock(&dev->mt76.mutex); 231 232 return ret; 233 } 234 235 static void mt7996_remove_interface(struct ieee80211_hw *hw, 236 struct ieee80211_vif *vif) 237 { 238 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 239 struct mt7996_sta *msta = &mvif->sta; 240 struct mt7996_dev *dev = mt7996_hw_dev(hw); 241 struct mt7996_phy *phy = mt7996_hw_phy(hw); 242 int idx = msta->wcid.idx; 243 244 mt7996_mcu_add_bss_info(phy, vif, false); 245 mt7996_mcu_add_sta(dev, vif, NULL, false); 246 247 if (vif == phy->monitor_vif) 248 phy->monitor_vif = NULL; 249 250 mt7996_mcu_add_dev_info(phy, vif, false); 251 mt7996_mcu_set_radio_en(phy, false); 252 253 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 254 255 mutex_lock(&dev->mt76.mutex); 256 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 257 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 258 mutex_unlock(&dev->mt76.mutex); 259 260 spin_lock_bh(&dev->sta_poll_lock); 261 if (!list_empty(&msta->poll_list)) 262 list_del_init(&msta->poll_list); 263 spin_unlock_bh(&dev->sta_poll_lock); 264 265 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 266 } 267 268 int mt7996_set_channel(struct mt7996_phy *phy) 269 { 270 struct mt7996_dev *dev = phy->dev; 271 int ret; 272 273 cancel_delayed_work_sync(&phy->mt76->mac_work); 274 275 mutex_lock(&dev->mt76.mutex); 276 set_bit(MT76_RESET, &phy->mt76->state); 277 278 mt76_set_channel(phy->mt76); 279 280 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 281 if (ret) 282 goto out; 283 284 mt7996_mac_set_timing(phy); 285 ret = mt7996_dfs_init_radar_detector(phy); 286 mt7996_mac_cca_stats_reset(phy); 287 288 mt7996_mac_reset_counters(phy); 289 phy->noise = 0; 290 291 out: 292 clear_bit(MT76_RESET, &phy->mt76->state); 293 mutex_unlock(&dev->mt76.mutex); 294 295 mt76_txq_schedule_all(phy->mt76); 296 297 ieee80211_queue_delayed_work(phy->mt76->hw, 298 &phy->mt76->mac_work, 299 MT7996_WATCHDOG_TIME); 300 301 return ret; 302 } 303 304 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 305 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 306 struct ieee80211_key_conf *key) 307 { 308 struct mt7996_dev *dev = mt7996_hw_dev(hw); 309 struct mt7996_phy *phy = mt7996_hw_phy(hw); 310 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 311 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 312 &mvif->sta; 313 struct mt76_wcid *wcid = &msta->wcid; 314 u8 *wcid_keyidx = &wcid->hw_key_idx; 315 int idx = key->keyidx; 316 int err = 0; 317 318 /* The hardware does not support per-STA RX GTK, fallback 319 * to software mode for these. 320 */ 321 if ((vif->type == NL80211_IFTYPE_ADHOC || 322 vif->type == NL80211_IFTYPE_MESH_POINT) && 323 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 324 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 325 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 326 return -EOPNOTSUPP; 327 328 /* fall back to sw encryption for unsupported ciphers */ 329 switch (key->cipher) { 330 case WLAN_CIPHER_SUITE_AES_CMAC: 331 wcid_keyidx = &wcid->hw_key_idx2; 332 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 333 break; 334 case WLAN_CIPHER_SUITE_TKIP: 335 case WLAN_CIPHER_SUITE_CCMP: 336 case WLAN_CIPHER_SUITE_CCMP_256: 337 case WLAN_CIPHER_SUITE_GCMP: 338 case WLAN_CIPHER_SUITE_GCMP_256: 339 case WLAN_CIPHER_SUITE_SMS4: 340 break; 341 case WLAN_CIPHER_SUITE_WEP40: 342 case WLAN_CIPHER_SUITE_WEP104: 343 default: 344 return -EOPNOTSUPP; 345 } 346 347 mutex_lock(&dev->mt76.mutex); 348 349 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 350 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 351 mt7996_mcu_add_bss_info(phy, vif, true); 352 } 353 354 if (cmd == SET_KEY) { 355 *wcid_keyidx = idx; 356 } else { 357 if (idx == *wcid_keyidx) 358 *wcid_keyidx = -1; 359 goto out; 360 } 361 362 mt76_wcid_key_setup(&dev->mt76, wcid, key); 363 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip, 364 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 365 &msta->wcid, cmd); 366 out: 367 mutex_unlock(&dev->mt76.mutex); 368 369 return err; 370 } 371 372 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 373 { 374 struct mt7996_dev *dev = mt7996_hw_dev(hw); 375 struct mt7996_phy *phy = mt7996_hw_phy(hw); 376 int ret; 377 378 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 379 ieee80211_stop_queues(hw); 380 ret = mt7996_set_channel(phy); 381 if (ret) 382 return ret; 383 ieee80211_wake_queues(hw); 384 } 385 386 mutex_lock(&dev->mt76.mutex); 387 388 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 389 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 390 391 if (!enabled) 392 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 393 else 394 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 395 396 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 397 MT_DMA_DCR0_RXD_G5_EN, enabled); 398 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 399 } 400 401 mutex_unlock(&dev->mt76.mutex); 402 403 return 0; 404 } 405 406 static int 407 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 408 unsigned int link_id, u16 queue, 409 const struct ieee80211_tx_queue_params *params) 410 { 411 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 412 413 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 414 queue = mt76_connac_lmac_mapping(queue); 415 mvif->queue_params[queue] = *params; 416 417 return 0; 418 } 419 420 static void mt7996_configure_filter(struct ieee80211_hw *hw, 421 unsigned int changed_flags, 422 unsigned int *total_flags, 423 u64 multicast) 424 { 425 struct mt7996_dev *dev = mt7996_hw_dev(hw); 426 struct mt7996_phy *phy = mt7996_hw_phy(hw); 427 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 428 MT_WF_RFCR1_DROP_BF_POLL | 429 MT_WF_RFCR1_DROP_BA | 430 MT_WF_RFCR1_DROP_CFEND | 431 MT_WF_RFCR1_DROP_CFACK; 432 u32 flags = 0; 433 434 #define MT76_FILTER(_flag, _hw) do { \ 435 flags |= *total_flags & FIF_##_flag; \ 436 phy->rxfilter &= ~(_hw); \ 437 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 438 } while (0) 439 440 mutex_lock(&dev->mt76.mutex); 441 442 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 443 MT_WF_RFCR_DROP_OTHER_BEACON | 444 MT_WF_RFCR_DROP_FRAME_REPORT | 445 MT_WF_RFCR_DROP_PROBEREQ | 446 MT_WF_RFCR_DROP_MCAST_FILTERED | 447 MT_WF_RFCR_DROP_MCAST | 448 MT_WF_RFCR_DROP_BCAST | 449 MT_WF_RFCR_DROP_DUPLICATE | 450 MT_WF_RFCR_DROP_A2_BSSID | 451 MT_WF_RFCR_DROP_UNWANTED_CTL | 452 MT_WF_RFCR_DROP_STBC_MULTI); 453 454 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 455 MT_WF_RFCR_DROP_A3_MAC | 456 MT_WF_RFCR_DROP_A3_BSSID); 457 458 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 459 460 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 461 MT_WF_RFCR_DROP_RTS | 462 MT_WF_RFCR_DROP_CTL_RSV | 463 MT_WF_RFCR_DROP_NDPA); 464 465 *total_flags = flags; 466 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 467 468 if (*total_flags & FIF_CONTROL) 469 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 470 else 471 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 472 473 mutex_unlock(&dev->mt76.mutex); 474 } 475 476 static void 477 mt7996_update_bss_color(struct ieee80211_hw *hw, 478 struct ieee80211_vif *vif, 479 struct cfg80211_he_bss_color *bss_color) 480 { 481 struct mt7996_dev *dev = mt7996_hw_dev(hw); 482 483 switch (vif->type) { 484 case NL80211_IFTYPE_AP: { 485 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 486 487 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 488 return; 489 fallthrough; 490 } 491 case NL80211_IFTYPE_STATION: 492 mt7996_mcu_update_bss_color(dev, vif, bss_color); 493 break; 494 default: 495 break; 496 } 497 } 498 499 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 500 struct ieee80211_vif *vif, 501 struct ieee80211_bss_conf *info, 502 u64 changed) 503 { 504 struct mt7996_phy *phy = mt7996_hw_phy(hw); 505 struct mt7996_dev *dev = mt7996_hw_dev(hw); 506 507 mutex_lock(&dev->mt76.mutex); 508 509 /* station mode uses BSSID to map the wlan entry to a peer, 510 * and then peer references bss_info_rfch to set bandwidth cap. 511 */ 512 if (changed & BSS_CHANGED_BSSID && 513 vif->type == NL80211_IFTYPE_STATION) { 514 bool join = !is_zero_ether_addr(info->bssid); 515 516 mt7996_mcu_add_bss_info(phy, vif, join); 517 mt7996_mcu_add_sta(dev, vif, NULL, join); 518 } 519 520 if (changed & BSS_CHANGED_ASSOC) 521 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 522 523 if (changed & BSS_CHANGED_ERP_CTS_PROT) 524 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 525 526 if (changed & BSS_CHANGED_ERP_SLOT) { 527 int slottime = info->use_short_slot ? 9 : 20; 528 529 if (slottime != phy->slottime) { 530 phy->slottime = slottime; 531 mt7996_mac_set_timing(phy); 532 } 533 } 534 535 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 536 mt7996_mcu_add_bss_info(phy, vif, true); 537 mt7996_mcu_add_sta(dev, vif, NULL, true); 538 } 539 540 /* ensure that enable txcmd_mode after bss_info */ 541 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 542 mt7996_mcu_set_tx(dev, vif); 543 544 if (changed & BSS_CHANGED_HE_OBSS_PD) 545 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 546 547 if (changed & BSS_CHANGED_HE_BSS_COLOR) 548 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 549 550 if (changed & (BSS_CHANGED_BEACON | 551 BSS_CHANGED_BEACON_ENABLED)) 552 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 553 554 if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP || 555 changed & BSS_CHANGED_FILS_DISCOVERY) 556 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 557 558 mutex_unlock(&dev->mt76.mutex); 559 } 560 561 static void 562 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 563 struct ieee80211_vif *vif, 564 struct cfg80211_chan_def *chandef) 565 { 566 struct mt7996_dev *dev = mt7996_hw_dev(hw); 567 568 mutex_lock(&dev->mt76.mutex); 569 mt7996_mcu_add_beacon(hw, vif, true); 570 mutex_unlock(&dev->mt76.mutex); 571 } 572 573 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 574 struct ieee80211_sta *sta) 575 { 576 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 577 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 578 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 579 u8 band_idx = mvif->phy->mt76->band_idx; 580 int ret, idx; 581 582 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 583 if (idx < 0) 584 return -ENOSPC; 585 586 INIT_LIST_HEAD(&msta->rc_list); 587 INIT_LIST_HEAD(&msta->poll_list); 588 msta->vif = mvif; 589 msta->wcid.sta = 1; 590 msta->wcid.idx = idx; 591 msta->wcid.phy_idx = band_idx; 592 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 593 msta->jiffies = jiffies; 594 595 ewma_avg_signal_init(&msta->avg_ack_signal); 596 597 mt7996_mac_wtbl_update(dev, idx, 598 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 599 600 ret = mt7996_mcu_add_sta(dev, vif, sta, true); 601 if (ret) 602 return ret; 603 604 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 605 } 606 607 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 608 struct ieee80211_sta *sta) 609 { 610 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 611 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 612 int i; 613 614 mt7996_mcu_add_sta(dev, vif, sta, false); 615 616 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 617 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 618 619 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 620 mt7996_mac_twt_teardown_flow(dev, msta, i); 621 622 spin_lock_bh(&dev->sta_poll_lock); 623 if (!list_empty(&msta->poll_list)) 624 list_del_init(&msta->poll_list); 625 if (!list_empty(&msta->rc_list)) 626 list_del_init(&msta->rc_list); 627 spin_unlock_bh(&dev->sta_poll_lock); 628 } 629 630 static void mt7996_tx(struct ieee80211_hw *hw, 631 struct ieee80211_tx_control *control, 632 struct sk_buff *skb) 633 { 634 struct mt7996_dev *dev = mt7996_hw_dev(hw); 635 struct mt76_phy *mphy = hw->priv; 636 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 637 struct ieee80211_vif *vif = info->control.vif; 638 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 639 640 if (control->sta) { 641 struct mt7996_sta *sta; 642 643 sta = (struct mt7996_sta *)control->sta->drv_priv; 644 wcid = &sta->wcid; 645 } 646 647 if (vif && !control->sta) { 648 struct mt7996_vif *mvif; 649 650 mvif = (struct mt7996_vif *)vif->drv_priv; 651 wcid = &mvif->sta.wcid; 652 } 653 654 mt76_tx(mphy, control->sta, wcid, skb); 655 } 656 657 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 658 { 659 struct mt7996_phy *phy = mt7996_hw_phy(hw); 660 int ret; 661 662 mutex_lock(&phy->dev->mt76.mutex); 663 ret = mt7996_mcu_set_rts_thresh(phy, val); 664 mutex_unlock(&phy->dev->mt76.mutex); 665 666 return ret; 667 } 668 669 static int 670 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 671 struct ieee80211_ampdu_params *params) 672 { 673 enum ieee80211_ampdu_mlme_action action = params->action; 674 struct mt7996_dev *dev = mt7996_hw_dev(hw); 675 struct ieee80211_sta *sta = params->sta; 676 struct ieee80211_txq *txq = sta->txq[params->tid]; 677 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 678 u16 tid = params->tid; 679 u16 ssn = params->ssn; 680 struct mt76_txq *mtxq; 681 int ret = 0; 682 683 if (!txq) 684 return -EINVAL; 685 686 mtxq = (struct mt76_txq *)txq->drv_priv; 687 688 mutex_lock(&dev->mt76.mutex); 689 switch (action) { 690 case IEEE80211_AMPDU_RX_START: 691 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 692 params->buf_size); 693 ret = mt7996_mcu_add_rx_ba(dev, params, true); 694 break; 695 case IEEE80211_AMPDU_RX_STOP: 696 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 697 ret = mt7996_mcu_add_rx_ba(dev, params, false); 698 break; 699 case IEEE80211_AMPDU_TX_OPERATIONAL: 700 mtxq->aggr = true; 701 mtxq->send_bar = false; 702 ret = mt7996_mcu_add_tx_ba(dev, params, true); 703 break; 704 case IEEE80211_AMPDU_TX_STOP_FLUSH: 705 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 706 mtxq->aggr = false; 707 clear_bit(tid, &msta->ampdu_state); 708 ret = mt7996_mcu_add_tx_ba(dev, params, false); 709 break; 710 case IEEE80211_AMPDU_TX_START: 711 set_bit(tid, &msta->ampdu_state); 712 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 713 break; 714 case IEEE80211_AMPDU_TX_STOP_CONT: 715 mtxq->aggr = false; 716 clear_bit(tid, &msta->ampdu_state); 717 ret = mt7996_mcu_add_tx_ba(dev, params, false); 718 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 719 break; 720 } 721 mutex_unlock(&dev->mt76.mutex); 722 723 return ret; 724 } 725 726 static int 727 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 728 struct ieee80211_sta *sta) 729 { 730 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 731 IEEE80211_STA_NONE); 732 } 733 734 static int 735 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 736 struct ieee80211_sta *sta) 737 { 738 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 739 IEEE80211_STA_NOTEXIST); 740 } 741 742 static int 743 mt7996_get_stats(struct ieee80211_hw *hw, 744 struct ieee80211_low_level_stats *stats) 745 { 746 struct mt7996_phy *phy = mt7996_hw_phy(hw); 747 struct mt7996_dev *dev = mt7996_hw_dev(hw); 748 struct mib_stats *mib = &phy->mib; 749 750 mutex_lock(&dev->mt76.mutex); 751 752 stats->dot11RTSSuccessCount = mib->rts_cnt; 753 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 754 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 755 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 756 757 mutex_unlock(&dev->mt76.mutex); 758 759 return 0; 760 } 761 762 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 763 { 764 struct mt7996_dev *dev = mt7996_hw_dev(hw); 765 struct mt7996_phy *phy = mt7996_hw_phy(hw); 766 union { 767 u64 t64; 768 u32 t32[2]; 769 } tsf; 770 u16 n; 771 772 lockdep_assert_held(&dev->mt76.mutex); 773 774 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 775 : mvif->mt76.omac_idx; 776 /* TSF software read */ 777 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 778 MT_LPON_TCR_SW_READ); 779 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 780 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 781 782 return tsf.t64; 783 } 784 785 static u64 786 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 787 { 788 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 789 struct mt7996_dev *dev = mt7996_hw_dev(hw); 790 u64 ret; 791 792 mutex_lock(&dev->mt76.mutex); 793 ret = __mt7996_get_tsf(hw, mvif); 794 mutex_unlock(&dev->mt76.mutex); 795 796 return ret; 797 } 798 799 static void 800 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 801 u64 timestamp) 802 { 803 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 804 struct mt7996_dev *dev = mt7996_hw_dev(hw); 805 struct mt7996_phy *phy = mt7996_hw_phy(hw); 806 union { 807 u64 t64; 808 u32 t32[2]; 809 } tsf = { .t64 = timestamp, }; 810 u16 n; 811 812 mutex_lock(&dev->mt76.mutex); 813 814 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 815 : mvif->mt76.omac_idx; 816 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 817 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 818 /* TSF software overwrite */ 819 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 820 MT_LPON_TCR_SW_WRITE); 821 822 mutex_unlock(&dev->mt76.mutex); 823 } 824 825 static void 826 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 827 s64 timestamp) 828 { 829 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 830 struct mt7996_dev *dev = mt7996_hw_dev(hw); 831 struct mt7996_phy *phy = mt7996_hw_phy(hw); 832 union { 833 u64 t64; 834 u32 t32[2]; 835 } tsf = { .t64 = timestamp, }; 836 u16 n; 837 838 mutex_lock(&dev->mt76.mutex); 839 840 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 841 : mvif->mt76.omac_idx; 842 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 843 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 844 /* TSF software adjust*/ 845 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 846 MT_LPON_TCR_SW_ADJUST); 847 848 mutex_unlock(&dev->mt76.mutex); 849 } 850 851 static void 852 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 853 { 854 struct mt7996_phy *phy = mt7996_hw_phy(hw); 855 struct mt7996_dev *dev = phy->dev; 856 857 mutex_lock(&dev->mt76.mutex); 858 phy->coverage_class = max_t(s16, coverage_class, 0); 859 mt7996_mac_set_timing(phy); 860 mutex_unlock(&dev->mt76.mutex); 861 } 862 863 static int 864 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 865 { 866 struct mt7996_dev *dev = mt7996_hw_dev(hw); 867 struct mt7996_phy *phy = mt7996_hw_phy(hw); 868 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 869 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 870 871 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 872 return -EINVAL; 873 874 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 875 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 876 877 mutex_lock(&dev->mt76.mutex); 878 879 phy->mt76->antenna_mask = tx_ant; 880 881 /* restore to the origin chainmask which might have auxiliary path */ 882 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 883 phy->mt76->chainmask = ((dev->chainmask >> shift) & 884 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 885 else if (hweight8(tx_ant) == max_nss) 886 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 887 else 888 phy->mt76->chainmask = tx_ant << shift; 889 890 mt76_set_stream_caps(phy->mt76, true); 891 mt7996_set_stream_vht_txbf_caps(phy); 892 mt7996_set_stream_he_eht_caps(phy); 893 894 mutex_unlock(&dev->mt76.mutex); 895 896 return 0; 897 } 898 899 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 900 struct ieee80211_vif *vif, 901 struct ieee80211_sta *sta, 902 struct station_info *sinfo) 903 { 904 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 905 struct rate_info *txrate = &msta->wcid.rate; 906 907 if (!txrate->legacy && !txrate->flags) 908 return; 909 910 if (txrate->legacy) { 911 sinfo->txrate.legacy = txrate->legacy; 912 } else { 913 sinfo->txrate.mcs = txrate->mcs; 914 sinfo->txrate.nss = txrate->nss; 915 sinfo->txrate.bw = txrate->bw; 916 sinfo->txrate.he_gi = txrate->he_gi; 917 sinfo->txrate.he_dcm = txrate->he_dcm; 918 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 919 } 920 sinfo->txrate.flags = txrate->flags; 921 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 922 923 sinfo->ack_signal = (s8)msta->ack_signal; 924 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 925 926 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 927 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 928 } 929 930 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 931 { 932 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 933 struct mt7996_dev *dev = msta->vif->phy->dev; 934 u32 *changed = data; 935 936 spin_lock_bh(&dev->sta_poll_lock); 937 msta->changed |= *changed; 938 if (list_empty(&msta->rc_list)) 939 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 940 spin_unlock_bh(&dev->sta_poll_lock); 941 } 942 943 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 944 struct ieee80211_vif *vif, 945 struct ieee80211_sta *sta, 946 u32 changed) 947 { 948 struct mt7996_phy *phy = mt7996_hw_phy(hw); 949 struct mt7996_dev *dev = phy->dev; 950 951 mt7996_sta_rc_work(&changed, sta); 952 ieee80211_queue_work(hw, &dev->rc_work); 953 } 954 955 static int 956 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 957 const struct cfg80211_bitrate_mask *mask) 958 { 959 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 960 struct mt7996_phy *phy = mt7996_hw_phy(hw); 961 struct mt7996_dev *dev = phy->dev; 962 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 963 964 mvif->bitrate_mask = *mask; 965 966 /* if multiple rates across different preambles are given we can 967 * reconfigure this info with all peers using sta_rec command with 968 * the below exception cases. 969 * - single rate : if a rate is passed along with different preambles, 970 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 971 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 972 * then multiple MCS setting (MCS 4,5,6) is not supported. 973 */ 974 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 975 ieee80211_queue_work(hw, &dev->rc_work); 976 977 return 0; 978 } 979 980 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 981 struct ieee80211_vif *vif, 982 struct ieee80211_sta *sta, 983 bool enabled) 984 { 985 struct mt7996_dev *dev = mt7996_hw_dev(hw); 986 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 987 988 if (enabled) 989 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 990 else 991 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 992 993 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 994 } 995 996 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 997 struct ieee80211_vif *vif, 998 struct ieee80211_sta *sta, 999 bool enabled) 1000 { 1001 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1002 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1003 1004 if (enabled) 1005 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1006 else 1007 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1008 1009 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1010 } 1011 1012 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1013 "tx_ampdu_cnt", 1014 "tx_stop_q_empty_cnt", 1015 "tx_mpdu_attempts", 1016 "tx_mpdu_success", 1017 "tx_rwp_fail_cnt", 1018 "tx_rwp_need_cnt", 1019 "tx_pkt_ebf_cnt", 1020 "tx_pkt_ibf_cnt", 1021 "tx_ampdu_len:0-1", 1022 "tx_ampdu_len:2-10", 1023 "tx_ampdu_len:11-19", 1024 "tx_ampdu_len:20-28", 1025 "tx_ampdu_len:29-37", 1026 "tx_ampdu_len:38-46", 1027 "tx_ampdu_len:47-55", 1028 "tx_ampdu_len:56-79", 1029 "tx_ampdu_len:80-103", 1030 "tx_ampdu_len:104-127", 1031 "tx_ampdu_len:128-151", 1032 "tx_ampdu_len:152-175", 1033 "tx_ampdu_len:176-199", 1034 "tx_ampdu_len:200-223", 1035 "tx_ampdu_len:224-247", 1036 "ba_miss_count", 1037 "tx_beamformer_ppdu_iBF", 1038 "tx_beamformer_ppdu_eBF", 1039 "tx_beamformer_rx_feedback_all", 1040 "tx_beamformer_rx_feedback_he", 1041 "tx_beamformer_rx_feedback_vht", 1042 "tx_beamformer_rx_feedback_ht", 1043 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1044 "tx_beamformer_rx_feedback_nc", 1045 "tx_beamformer_rx_feedback_nr", 1046 "tx_beamformee_ok_feedback_pkts", 1047 "tx_beamformee_feedback_trig", 1048 "tx_mu_beamforming", 1049 "tx_mu_mpdu", 1050 "tx_mu_successful_mpdu", 1051 "tx_su_successful_mpdu", 1052 "tx_msdu_pack_1", 1053 "tx_msdu_pack_2", 1054 "tx_msdu_pack_3", 1055 "tx_msdu_pack_4", 1056 "tx_msdu_pack_5", 1057 "tx_msdu_pack_6", 1058 "tx_msdu_pack_7", 1059 "tx_msdu_pack_8", 1060 1061 /* rx counters */ 1062 "rx_fifo_full_cnt", 1063 "rx_mpdu_cnt", 1064 "channel_idle_cnt", 1065 "rx_vector_mismatch_cnt", 1066 "rx_delimiter_fail_cnt", 1067 "rx_len_mismatch_cnt", 1068 "rx_ampdu_cnt", 1069 "rx_ampdu_bytes_cnt", 1070 "rx_ampdu_valid_subframe_cnt", 1071 "rx_ampdu_valid_subframe_b_cnt", 1072 "rx_pfdrop_cnt", 1073 "rx_vec_queue_overflow_drop_cnt", 1074 "rx_ba_cnt", 1075 1076 /* per vif counters */ 1077 "v_tx_mode_cck", 1078 "v_tx_mode_ofdm", 1079 "v_tx_mode_ht", 1080 "v_tx_mode_ht_gf", 1081 "v_tx_mode_vht", 1082 "v_tx_mode_he_su", 1083 "v_tx_mode_he_ext_su", 1084 "v_tx_mode_he_tb", 1085 "v_tx_mode_he_mu", 1086 "v_tx_mode_eht_su", 1087 "v_tx_mode_eht_trig", 1088 "v_tx_mode_eht_mu", 1089 "v_tx_bw_20", 1090 "v_tx_bw_40", 1091 "v_tx_bw_80", 1092 "v_tx_bw_160", 1093 "v_tx_bw_320", 1094 "v_tx_mcs_0", 1095 "v_tx_mcs_1", 1096 "v_tx_mcs_2", 1097 "v_tx_mcs_3", 1098 "v_tx_mcs_4", 1099 "v_tx_mcs_5", 1100 "v_tx_mcs_6", 1101 "v_tx_mcs_7", 1102 "v_tx_mcs_8", 1103 "v_tx_mcs_9", 1104 "v_tx_mcs_10", 1105 "v_tx_mcs_11", 1106 "v_tx_mcs_12", 1107 "v_tx_mcs_13", 1108 }; 1109 1110 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1111 1112 /* Ethtool related API */ 1113 static 1114 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1115 struct ieee80211_vif *vif, 1116 u32 sset, u8 *data) 1117 { 1118 if (sset == ETH_SS_STATS) 1119 memcpy(data, *mt7996_gstrings_stats, 1120 sizeof(mt7996_gstrings_stats)); 1121 } 1122 1123 static 1124 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1125 struct ieee80211_vif *vif, int sset) 1126 { 1127 if (sset == ETH_SS_STATS) 1128 return MT7996_SSTATS_LEN; 1129 1130 return 0; 1131 } 1132 1133 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1134 { 1135 struct mt76_ethtool_worker_info *wi = wi_data; 1136 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1137 1138 if (msta->vif->mt76.idx != wi->idx) 1139 return; 1140 1141 mt76_ethtool_worker(wi, &msta->stats, true); 1142 } 1143 1144 static 1145 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1146 struct ieee80211_vif *vif, 1147 struct ethtool_stats *stats, u64 *data) 1148 { 1149 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1150 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1151 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1152 struct mt76_ethtool_worker_info wi = { 1153 .data = data, 1154 .idx = mvif->mt76.idx, 1155 }; 1156 struct mib_stats *mib = &phy->mib; 1157 /* See mt7996_ampdu_stat_read_phy, etc */ 1158 int i, ei = 0; 1159 1160 mutex_lock(&dev->mt76.mutex); 1161 1162 mt7996_mac_update_stats(phy); 1163 1164 data[ei++] = mib->tx_ampdu_cnt; 1165 data[ei++] = mib->tx_stop_q_empty_cnt; 1166 data[ei++] = mib->tx_mpdu_attempts_cnt; 1167 data[ei++] = mib->tx_mpdu_success_cnt; 1168 data[ei++] = mib->tx_rwp_fail_cnt; 1169 data[ei++] = mib->tx_rwp_need_cnt; 1170 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1171 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1172 1173 /* Tx ampdu stat */ 1174 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1175 data[ei++] = phy->mt76->aggr_stats[i]; 1176 data[ei++] = phy->mib.ba_miss_cnt; 1177 1178 /* Tx Beamformer monitor */ 1179 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1180 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1181 1182 /* Tx Beamformer Rx feedback monitor */ 1183 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1184 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1185 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1186 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1187 1188 data[ei++] = mib->tx_bf_rx_fb_bw; 1189 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1190 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1191 1192 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1193 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1194 data[ei++] = mib->tx_bf_fb_trig_cnt; 1195 1196 /* Tx SU & MU counters */ 1197 data[ei++] = mib->tx_mu_bf_cnt; 1198 data[ei++] = mib->tx_mu_mpdu_cnt; 1199 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1200 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1201 1202 /* Tx amsdu info (pack-count histogram) */ 1203 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1204 data[ei++] = mib->tx_amsdu[i]; 1205 1206 /* rx counters */ 1207 data[ei++] = mib->rx_fifo_full_cnt; 1208 data[ei++] = mib->rx_mpdu_cnt; 1209 data[ei++] = mib->channel_idle_cnt; 1210 data[ei++] = mib->rx_vector_mismatch_cnt; 1211 data[ei++] = mib->rx_delimiter_fail_cnt; 1212 data[ei++] = mib->rx_len_mismatch_cnt; 1213 data[ei++] = mib->rx_ampdu_cnt; 1214 data[ei++] = mib->rx_ampdu_bytes_cnt; 1215 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1216 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1217 data[ei++] = mib->rx_pfdrop_cnt; 1218 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1219 data[ei++] = mib->rx_ba_cnt; 1220 1221 /* Add values for all stations owned by this vif */ 1222 wi.initial_stat_idx = ei; 1223 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1224 1225 mutex_unlock(&dev->mt76.mutex); 1226 1227 if (wi.sta_count == 0) 1228 return; 1229 1230 ei += wi.worker_stat_count; 1231 if (ei != MT7996_SSTATS_LEN) 1232 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1233 ei, (int)MT7996_SSTATS_LEN); 1234 } 1235 1236 static void 1237 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1238 struct ieee80211_sta *sta, 1239 u8 flowid) 1240 { 1241 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1242 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1243 1244 mutex_lock(&dev->mt76.mutex); 1245 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1246 mutex_unlock(&dev->mt76.mutex); 1247 } 1248 1249 static int 1250 mt7996_set_radar_background(struct ieee80211_hw *hw, 1251 struct cfg80211_chan_def *chandef) 1252 { 1253 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1254 struct mt7996_dev *dev = phy->dev; 1255 int ret = -EINVAL; 1256 bool running; 1257 1258 mutex_lock(&dev->mt76.mutex); 1259 1260 if (dev->mt76.region == NL80211_DFS_UNSET) 1261 goto out; 1262 1263 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1264 /* rdd2 is already locked */ 1265 ret = -EBUSY; 1266 goto out; 1267 } 1268 1269 /* rdd2 already configured on a radar channel */ 1270 running = dev->rdd2_phy && 1271 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1272 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1273 1274 if (!chandef || running || 1275 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1276 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1277 if (ret) 1278 goto out; 1279 1280 if (!running) 1281 goto update_phy; 1282 } 1283 1284 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1285 if (ret) 1286 goto out; 1287 1288 update_phy: 1289 dev->rdd2_phy = chandef ? phy : NULL; 1290 if (chandef) 1291 dev->rdd2_chandef = *chandef; 1292 out: 1293 mutex_unlock(&dev->mt76.mutex); 1294 1295 return ret; 1296 } 1297 1298 const struct ieee80211_ops mt7996_ops = { 1299 .tx = mt7996_tx, 1300 .start = mt7996_start, 1301 .stop = mt7996_stop, 1302 .add_interface = mt7996_add_interface, 1303 .remove_interface = mt7996_remove_interface, 1304 .config = mt7996_config, 1305 .conf_tx = mt7996_conf_tx, 1306 .configure_filter = mt7996_configure_filter, 1307 .bss_info_changed = mt7996_bss_info_changed, 1308 .sta_add = mt7996_sta_add, 1309 .sta_remove = mt7996_sta_remove, 1310 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1311 .sta_rc_update = mt7996_sta_rc_update, 1312 .set_key = mt7996_set_key, 1313 .ampdu_action = mt7996_ampdu_action, 1314 .set_rts_threshold = mt7996_set_rts_threshold, 1315 .wake_tx_queue = mt76_wake_tx_queue, 1316 .sw_scan_start = mt76_sw_scan, 1317 .sw_scan_complete = mt76_sw_scan_complete, 1318 .release_buffered_frames = mt76_release_buffered_frames, 1319 .get_txpower = mt76_get_txpower, 1320 .channel_switch_beacon = mt7996_channel_switch_beacon, 1321 .get_stats = mt7996_get_stats, 1322 .get_et_sset_count = mt7996_get_et_sset_count, 1323 .get_et_stats = mt7996_get_et_stats, 1324 .get_et_strings = mt7996_get_et_strings, 1325 .get_tsf = mt7996_get_tsf, 1326 .set_tsf = mt7996_set_tsf, 1327 .offset_tsf = mt7996_offset_tsf, 1328 .get_survey = mt76_get_survey, 1329 .get_antenna = mt76_get_antenna, 1330 .set_antenna = mt7996_set_antenna, 1331 .set_bitrate_mask = mt7996_set_bitrate_mask, 1332 .set_coverage_class = mt7996_set_coverage_class, 1333 .sta_statistics = mt7996_sta_statistics, 1334 .sta_set_4addr = mt7996_sta_set_4addr, 1335 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1336 .add_twt_setup = mt7996_mac_add_twt_setup, 1337 .twt_teardown_request = mt7996_twt_teardown_request, 1338 #ifdef CONFIG_MAC80211_DEBUGFS 1339 .sta_add_debugfs = mt7996_sta_add_debugfs, 1340 #endif 1341 .set_radar_background = mt7996_set_radar_background, 1342 }; 1343