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_INTERFACES << dev->dbdc_support)) { 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 if (idx == *wcid_keyidx) 357 *wcid_keyidx = -1; 358 else 359 goto out; 360 361 mt76_wcid_key_setup(&dev->mt76, wcid, 362 cmd == SET_KEY ? key : NULL); 363 364 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip, 365 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 366 &msta->wcid, cmd); 367 out: 368 mutex_unlock(&dev->mt76.mutex); 369 370 return err; 371 } 372 373 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 374 { 375 struct mt7996_dev *dev = mt7996_hw_dev(hw); 376 struct mt7996_phy *phy = mt7996_hw_phy(hw); 377 int ret; 378 379 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 380 ieee80211_stop_queues(hw); 381 ret = mt7996_set_channel(phy); 382 if (ret) 383 return ret; 384 ieee80211_wake_queues(hw); 385 } 386 387 mutex_lock(&dev->mt76.mutex); 388 389 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 390 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 391 392 if (!enabled) 393 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 394 else 395 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 396 397 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 398 MT_DMA_DCR0_RXD_G5_EN, enabled); 399 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 400 } 401 402 mutex_unlock(&dev->mt76.mutex); 403 404 return 0; 405 } 406 407 static int 408 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 409 unsigned int link_id, u16 queue, 410 const struct ieee80211_tx_queue_params *params) 411 { 412 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 413 414 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 415 queue = mt76_connac_lmac_mapping(queue); 416 mvif->queue_params[queue] = *params; 417 418 return 0; 419 } 420 421 static void mt7996_configure_filter(struct ieee80211_hw *hw, 422 unsigned int changed_flags, 423 unsigned int *total_flags, 424 u64 multicast) 425 { 426 struct mt7996_dev *dev = mt7996_hw_dev(hw); 427 struct mt7996_phy *phy = mt7996_hw_phy(hw); 428 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 429 MT_WF_RFCR1_DROP_BF_POLL | 430 MT_WF_RFCR1_DROP_BA | 431 MT_WF_RFCR1_DROP_CFEND | 432 MT_WF_RFCR1_DROP_CFACK; 433 u32 flags = 0; 434 435 #define MT76_FILTER(_flag, _hw) do { \ 436 flags |= *total_flags & FIF_##_flag; \ 437 phy->rxfilter &= ~(_hw); \ 438 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 439 } while (0) 440 441 mutex_lock(&dev->mt76.mutex); 442 443 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 444 MT_WF_RFCR_DROP_OTHER_BEACON | 445 MT_WF_RFCR_DROP_FRAME_REPORT | 446 MT_WF_RFCR_DROP_PROBEREQ | 447 MT_WF_RFCR_DROP_MCAST_FILTERED | 448 MT_WF_RFCR_DROP_MCAST | 449 MT_WF_RFCR_DROP_BCAST | 450 MT_WF_RFCR_DROP_DUPLICATE | 451 MT_WF_RFCR_DROP_A2_BSSID | 452 MT_WF_RFCR_DROP_UNWANTED_CTL | 453 MT_WF_RFCR_DROP_STBC_MULTI); 454 455 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 456 MT_WF_RFCR_DROP_A3_MAC | 457 MT_WF_RFCR_DROP_A3_BSSID); 458 459 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 460 461 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 462 MT_WF_RFCR_DROP_RTS | 463 MT_WF_RFCR_DROP_CTL_RSV | 464 MT_WF_RFCR_DROP_NDPA); 465 466 *total_flags = flags; 467 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 468 469 if (*total_flags & FIF_CONTROL) 470 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 471 else 472 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 473 474 mutex_unlock(&dev->mt76.mutex); 475 } 476 477 static void 478 mt7996_update_bss_color(struct ieee80211_hw *hw, 479 struct ieee80211_vif *vif, 480 struct cfg80211_he_bss_color *bss_color) 481 { 482 struct mt7996_dev *dev = mt7996_hw_dev(hw); 483 484 switch (vif->type) { 485 case NL80211_IFTYPE_AP: { 486 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 487 488 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 489 return; 490 fallthrough; 491 } 492 case NL80211_IFTYPE_STATION: 493 mt7996_mcu_update_bss_color(dev, vif, bss_color); 494 break; 495 default: 496 break; 497 } 498 } 499 500 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 501 struct ieee80211_vif *vif, 502 struct ieee80211_bss_conf *info, 503 u64 changed) 504 { 505 struct mt7996_phy *phy = mt7996_hw_phy(hw); 506 struct mt7996_dev *dev = mt7996_hw_dev(hw); 507 508 mutex_lock(&dev->mt76.mutex); 509 510 /* station mode uses BSSID to map the wlan entry to a peer, 511 * and then peer references bss_info_rfch to set bandwidth cap. 512 */ 513 if (changed & BSS_CHANGED_BSSID && 514 vif->type == NL80211_IFTYPE_STATION) { 515 bool join = !is_zero_ether_addr(info->bssid); 516 517 mt7996_mcu_add_bss_info(phy, vif, join); 518 mt7996_mcu_add_sta(dev, vif, NULL, join); 519 } 520 521 if (changed & BSS_CHANGED_ASSOC) 522 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 523 524 if (changed & BSS_CHANGED_ERP_CTS_PROT) 525 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 526 527 if (changed & BSS_CHANGED_ERP_SLOT) { 528 int slottime = info->use_short_slot ? 9 : 20; 529 530 if (slottime != phy->slottime) { 531 phy->slottime = slottime; 532 mt7996_mac_set_timing(phy); 533 } 534 } 535 536 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 537 mt7996_mcu_add_bss_info(phy, vif, true); 538 mt7996_mcu_add_sta(dev, vif, NULL, true); 539 } 540 541 /* ensure that enable txcmd_mode after bss_info */ 542 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 543 mt7996_mcu_set_tx(dev, vif); 544 545 if (changed & BSS_CHANGED_HE_OBSS_PD) 546 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 547 548 if (changed & BSS_CHANGED_HE_BSS_COLOR) 549 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 550 551 if (changed & (BSS_CHANGED_BEACON | 552 BSS_CHANGED_BEACON_ENABLED)) 553 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 554 555 if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP || 556 changed & BSS_CHANGED_FILS_DISCOVERY) 557 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 558 559 mutex_unlock(&dev->mt76.mutex); 560 } 561 562 static void 563 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 564 struct ieee80211_vif *vif, 565 struct cfg80211_chan_def *chandef) 566 { 567 struct mt7996_dev *dev = mt7996_hw_dev(hw); 568 569 mutex_lock(&dev->mt76.mutex); 570 mt7996_mcu_add_beacon(hw, vif, true); 571 mutex_unlock(&dev->mt76.mutex); 572 } 573 574 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 575 struct ieee80211_sta *sta) 576 { 577 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 578 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 579 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 580 u8 band_idx = mvif->phy->mt76->band_idx; 581 int ret, idx; 582 583 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 584 if (idx < 0) 585 return -ENOSPC; 586 587 INIT_LIST_HEAD(&msta->rc_list); 588 INIT_LIST_HEAD(&msta->poll_list); 589 msta->vif = mvif; 590 msta->wcid.sta = 1; 591 msta->wcid.idx = idx; 592 msta->wcid.phy_idx = band_idx; 593 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 594 msta->jiffies = jiffies; 595 596 ewma_avg_signal_init(&msta->avg_ack_signal); 597 598 mt7996_mac_wtbl_update(dev, idx, 599 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 600 601 ret = mt7996_mcu_add_sta(dev, vif, sta, true); 602 if (ret) 603 return ret; 604 605 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 606 } 607 608 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 609 struct ieee80211_sta *sta) 610 { 611 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 612 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 613 int i; 614 615 mt7996_mcu_add_sta(dev, vif, sta, false); 616 617 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 618 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 619 620 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 621 mt7996_mac_twt_teardown_flow(dev, msta, i); 622 623 spin_lock_bh(&dev->sta_poll_lock); 624 if (!list_empty(&msta->poll_list)) 625 list_del_init(&msta->poll_list); 626 if (!list_empty(&msta->rc_list)) 627 list_del_init(&msta->rc_list); 628 spin_unlock_bh(&dev->sta_poll_lock); 629 } 630 631 static void mt7996_tx(struct ieee80211_hw *hw, 632 struct ieee80211_tx_control *control, 633 struct sk_buff *skb) 634 { 635 struct mt7996_dev *dev = mt7996_hw_dev(hw); 636 struct mt76_phy *mphy = hw->priv; 637 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 638 struct ieee80211_vif *vif = info->control.vif; 639 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 640 641 if (control->sta) { 642 struct mt7996_sta *sta; 643 644 sta = (struct mt7996_sta *)control->sta->drv_priv; 645 wcid = &sta->wcid; 646 } 647 648 if (vif && !control->sta) { 649 struct mt7996_vif *mvif; 650 651 mvif = (struct mt7996_vif *)vif->drv_priv; 652 wcid = &mvif->sta.wcid; 653 } 654 655 mt76_tx(mphy, control->sta, wcid, skb); 656 } 657 658 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 659 { 660 struct mt7996_phy *phy = mt7996_hw_phy(hw); 661 int ret; 662 663 mutex_lock(&phy->dev->mt76.mutex); 664 ret = mt7996_mcu_set_rts_thresh(phy, val); 665 mutex_unlock(&phy->dev->mt76.mutex); 666 667 return ret; 668 } 669 670 static int 671 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 672 struct ieee80211_ampdu_params *params) 673 { 674 enum ieee80211_ampdu_mlme_action action = params->action; 675 struct mt7996_dev *dev = mt7996_hw_dev(hw); 676 struct ieee80211_sta *sta = params->sta; 677 struct ieee80211_txq *txq = sta->txq[params->tid]; 678 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 679 u16 tid = params->tid; 680 u16 ssn = params->ssn; 681 struct mt76_txq *mtxq; 682 int ret = 0; 683 684 if (!txq) 685 return -EINVAL; 686 687 mtxq = (struct mt76_txq *)txq->drv_priv; 688 689 mutex_lock(&dev->mt76.mutex); 690 switch (action) { 691 case IEEE80211_AMPDU_RX_START: 692 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 693 params->buf_size); 694 ret = mt7996_mcu_add_rx_ba(dev, params, true); 695 break; 696 case IEEE80211_AMPDU_RX_STOP: 697 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 698 ret = mt7996_mcu_add_rx_ba(dev, params, false); 699 break; 700 case IEEE80211_AMPDU_TX_OPERATIONAL: 701 mtxq->aggr = true; 702 mtxq->send_bar = false; 703 ret = mt7996_mcu_add_tx_ba(dev, params, true); 704 break; 705 case IEEE80211_AMPDU_TX_STOP_FLUSH: 706 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 707 mtxq->aggr = false; 708 clear_bit(tid, &msta->ampdu_state); 709 ret = mt7996_mcu_add_tx_ba(dev, params, false); 710 break; 711 case IEEE80211_AMPDU_TX_START: 712 set_bit(tid, &msta->ampdu_state); 713 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 714 break; 715 case IEEE80211_AMPDU_TX_STOP_CONT: 716 mtxq->aggr = false; 717 clear_bit(tid, &msta->ampdu_state); 718 ret = mt7996_mcu_add_tx_ba(dev, params, false); 719 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 720 break; 721 } 722 mutex_unlock(&dev->mt76.mutex); 723 724 return ret; 725 } 726 727 static int 728 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 729 struct ieee80211_sta *sta) 730 { 731 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 732 IEEE80211_STA_NONE); 733 } 734 735 static int 736 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 737 struct ieee80211_sta *sta) 738 { 739 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 740 IEEE80211_STA_NOTEXIST); 741 } 742 743 static int 744 mt7996_get_stats(struct ieee80211_hw *hw, 745 struct ieee80211_low_level_stats *stats) 746 { 747 struct mt7996_phy *phy = mt7996_hw_phy(hw); 748 struct mt7996_dev *dev = mt7996_hw_dev(hw); 749 struct mib_stats *mib = &phy->mib; 750 751 mutex_lock(&dev->mt76.mutex); 752 753 stats->dot11RTSSuccessCount = mib->rts_cnt; 754 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 755 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 756 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 757 758 mutex_unlock(&dev->mt76.mutex); 759 760 return 0; 761 } 762 763 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 764 { 765 struct mt7996_dev *dev = mt7996_hw_dev(hw); 766 struct mt7996_phy *phy = mt7996_hw_phy(hw); 767 union { 768 u64 t64; 769 u32 t32[2]; 770 } tsf; 771 u16 n; 772 773 lockdep_assert_held(&dev->mt76.mutex); 774 775 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 776 : mvif->mt76.omac_idx; 777 /* TSF software read */ 778 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 779 MT_LPON_TCR_SW_READ); 780 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 781 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 782 783 return tsf.t64; 784 } 785 786 static u64 787 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 788 { 789 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 790 struct mt7996_dev *dev = mt7996_hw_dev(hw); 791 u64 ret; 792 793 mutex_lock(&dev->mt76.mutex); 794 ret = __mt7996_get_tsf(hw, mvif); 795 mutex_unlock(&dev->mt76.mutex); 796 797 return ret; 798 } 799 800 static void 801 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 802 u64 timestamp) 803 { 804 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 805 struct mt7996_dev *dev = mt7996_hw_dev(hw); 806 struct mt7996_phy *phy = mt7996_hw_phy(hw); 807 union { 808 u64 t64; 809 u32 t32[2]; 810 } tsf = { .t64 = timestamp, }; 811 u16 n; 812 813 mutex_lock(&dev->mt76.mutex); 814 815 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 816 : mvif->mt76.omac_idx; 817 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 818 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 819 /* TSF software overwrite */ 820 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 821 MT_LPON_TCR_SW_WRITE); 822 823 mutex_unlock(&dev->mt76.mutex); 824 } 825 826 static void 827 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 828 s64 timestamp) 829 { 830 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 831 struct mt7996_dev *dev = mt7996_hw_dev(hw); 832 struct mt7996_phy *phy = mt7996_hw_phy(hw); 833 union { 834 u64 t64; 835 u32 t32[2]; 836 } tsf = { .t64 = timestamp, }; 837 u16 n; 838 839 mutex_lock(&dev->mt76.mutex); 840 841 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 842 : mvif->mt76.omac_idx; 843 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 844 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 845 /* TSF software adjust*/ 846 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 847 MT_LPON_TCR_SW_ADJUST); 848 849 mutex_unlock(&dev->mt76.mutex); 850 } 851 852 static void 853 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 854 { 855 struct mt7996_phy *phy = mt7996_hw_phy(hw); 856 struct mt7996_dev *dev = phy->dev; 857 858 mutex_lock(&dev->mt76.mutex); 859 phy->coverage_class = max_t(s16, coverage_class, 0); 860 mt7996_mac_set_timing(phy); 861 mutex_unlock(&dev->mt76.mutex); 862 } 863 864 static int 865 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 866 { 867 struct mt7996_dev *dev = mt7996_hw_dev(hw); 868 struct mt7996_phy *phy = mt7996_hw_phy(hw); 869 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 870 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 871 872 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 873 return -EINVAL; 874 875 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 876 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 877 878 mutex_lock(&dev->mt76.mutex); 879 880 phy->mt76->antenna_mask = tx_ant; 881 882 /* restore to the origin chainmask which might have auxiliary path */ 883 if (hweight8(tx_ant) == max_nss) 884 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 885 else 886 phy->mt76->chainmask = tx_ant << shift; 887 888 mt76_set_stream_caps(phy->mt76, true); 889 mt7996_set_stream_vht_txbf_caps(phy); 890 mt7996_set_stream_he_caps(phy); 891 892 mutex_unlock(&dev->mt76.mutex); 893 894 return 0; 895 } 896 897 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 898 struct ieee80211_vif *vif, 899 struct ieee80211_sta *sta, 900 struct station_info *sinfo) 901 { 902 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 903 struct rate_info *txrate = &msta->wcid.rate; 904 905 if (!txrate->legacy && !txrate->flags) 906 return; 907 908 if (txrate->legacy) { 909 sinfo->txrate.legacy = txrate->legacy; 910 } else { 911 sinfo->txrate.mcs = txrate->mcs; 912 sinfo->txrate.nss = txrate->nss; 913 sinfo->txrate.bw = txrate->bw; 914 sinfo->txrate.he_gi = txrate->he_gi; 915 sinfo->txrate.he_dcm = txrate->he_dcm; 916 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 917 } 918 sinfo->txrate.flags = txrate->flags; 919 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 920 921 sinfo->ack_signal = (s8)msta->ack_signal; 922 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 923 924 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 925 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 926 } 927 928 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 929 { 930 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 931 struct mt7996_dev *dev = msta->vif->phy->dev; 932 u32 *changed = data; 933 934 spin_lock_bh(&dev->sta_poll_lock); 935 msta->changed |= *changed; 936 if (list_empty(&msta->rc_list)) 937 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 938 spin_unlock_bh(&dev->sta_poll_lock); 939 } 940 941 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 942 struct ieee80211_vif *vif, 943 struct ieee80211_sta *sta, 944 u32 changed) 945 { 946 struct mt7996_phy *phy = mt7996_hw_phy(hw); 947 struct mt7996_dev *dev = phy->dev; 948 949 mt7996_sta_rc_work(&changed, sta); 950 ieee80211_queue_work(hw, &dev->rc_work); 951 } 952 953 static int 954 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 955 const struct cfg80211_bitrate_mask *mask) 956 { 957 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 958 struct mt7996_phy *phy = mt7996_hw_phy(hw); 959 struct mt7996_dev *dev = phy->dev; 960 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 961 962 mvif->bitrate_mask = *mask; 963 964 /* if multiple rates across different preambles are given we can 965 * reconfigure this info with all peers using sta_rec command with 966 * the below exception cases. 967 * - single rate : if a rate is passed along with different preambles, 968 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 969 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 970 * then multiple MCS setting (MCS 4,5,6) is not supported. 971 */ 972 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 973 ieee80211_queue_work(hw, &dev->rc_work); 974 975 return 0; 976 } 977 978 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 979 struct ieee80211_vif *vif, 980 struct ieee80211_sta *sta, 981 bool enabled) 982 { 983 struct mt7996_dev *dev = mt7996_hw_dev(hw); 984 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 985 986 if (enabled) 987 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 988 else 989 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 990 991 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 992 } 993 994 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 995 struct ieee80211_vif *vif, 996 struct ieee80211_sta *sta, 997 bool enabled) 998 { 999 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1000 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1001 1002 if (enabled) 1003 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1004 else 1005 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1006 1007 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1008 } 1009 1010 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1011 "tx_ampdu_cnt", 1012 "tx_stop_q_empty_cnt", 1013 "tx_mpdu_attempts", 1014 "tx_mpdu_success", 1015 "tx_rwp_fail_cnt", 1016 "tx_rwp_need_cnt", 1017 "tx_pkt_ebf_cnt", 1018 "tx_pkt_ibf_cnt", 1019 "tx_ampdu_len:0-1", 1020 "tx_ampdu_len:2-10", 1021 "tx_ampdu_len:11-19", 1022 "tx_ampdu_len:20-28", 1023 "tx_ampdu_len:29-37", 1024 "tx_ampdu_len:38-46", 1025 "tx_ampdu_len:47-55", 1026 "tx_ampdu_len:56-79", 1027 "tx_ampdu_len:80-103", 1028 "tx_ampdu_len:104-127", 1029 "tx_ampdu_len:128-151", 1030 "tx_ampdu_len:152-175", 1031 "tx_ampdu_len:176-199", 1032 "tx_ampdu_len:200-223", 1033 "tx_ampdu_len:224-247", 1034 "ba_miss_count", 1035 "tx_beamformer_ppdu_iBF", 1036 "tx_beamformer_ppdu_eBF", 1037 "tx_beamformer_rx_feedback_all", 1038 "tx_beamformer_rx_feedback_he", 1039 "tx_beamformer_rx_feedback_vht", 1040 "tx_beamformer_rx_feedback_ht", 1041 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1042 "tx_beamformer_rx_feedback_nc", 1043 "tx_beamformer_rx_feedback_nr", 1044 "tx_beamformee_ok_feedback_pkts", 1045 "tx_beamformee_feedback_trig", 1046 "tx_mu_beamforming", 1047 "tx_mu_mpdu", 1048 "tx_mu_successful_mpdu", 1049 "tx_su_successful_mpdu", 1050 "tx_msdu_pack_1", 1051 "tx_msdu_pack_2", 1052 "tx_msdu_pack_3", 1053 "tx_msdu_pack_4", 1054 "tx_msdu_pack_5", 1055 "tx_msdu_pack_6", 1056 "tx_msdu_pack_7", 1057 "tx_msdu_pack_8", 1058 1059 /* rx counters */ 1060 "rx_fifo_full_cnt", 1061 "rx_mpdu_cnt", 1062 "channel_idle_cnt", 1063 "rx_vector_mismatch_cnt", 1064 "rx_delimiter_fail_cnt", 1065 "rx_len_mismatch_cnt", 1066 "rx_ampdu_cnt", 1067 "rx_ampdu_bytes_cnt", 1068 "rx_ampdu_valid_subframe_cnt", 1069 "rx_ampdu_valid_subframe_b_cnt", 1070 "rx_pfdrop_cnt", 1071 "rx_vec_queue_overflow_drop_cnt", 1072 "rx_ba_cnt", 1073 1074 /* per vif counters */ 1075 "v_tx_mode_cck", 1076 "v_tx_mode_ofdm", 1077 "v_tx_mode_ht", 1078 "v_tx_mode_ht_gf", 1079 "v_tx_mode_vht", 1080 "v_tx_mode_he_su", 1081 "v_tx_mode_he_ext_su", 1082 "v_tx_mode_he_tb", 1083 "v_tx_mode_he_mu", 1084 "v_tx_bw_20", 1085 "v_tx_bw_40", 1086 "v_tx_bw_80", 1087 "v_tx_bw_160", 1088 "v_tx_mcs_0", 1089 "v_tx_mcs_1", 1090 "v_tx_mcs_2", 1091 "v_tx_mcs_3", 1092 "v_tx_mcs_4", 1093 "v_tx_mcs_5", 1094 "v_tx_mcs_6", 1095 "v_tx_mcs_7", 1096 "v_tx_mcs_8", 1097 "v_tx_mcs_9", 1098 "v_tx_mcs_10", 1099 "v_tx_mcs_11", 1100 }; 1101 1102 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1103 1104 /* Ethtool related API */ 1105 static 1106 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1107 struct ieee80211_vif *vif, 1108 u32 sset, u8 *data) 1109 { 1110 if (sset == ETH_SS_STATS) 1111 memcpy(data, *mt7996_gstrings_stats, 1112 sizeof(mt7996_gstrings_stats)); 1113 } 1114 1115 static 1116 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1117 struct ieee80211_vif *vif, int sset) 1118 { 1119 if (sset == ETH_SS_STATS) 1120 return MT7996_SSTATS_LEN; 1121 1122 return 0; 1123 } 1124 1125 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1126 { 1127 struct mt76_ethtool_worker_info *wi = wi_data; 1128 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1129 1130 if (msta->vif->mt76.idx != wi->idx) 1131 return; 1132 1133 mt76_ethtool_worker(wi, &msta->stats); 1134 } 1135 1136 static 1137 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1138 struct ieee80211_vif *vif, 1139 struct ethtool_stats *stats, u64 *data) 1140 { 1141 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1142 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1143 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1144 struct mt76_ethtool_worker_info wi = { 1145 .data = data, 1146 .idx = mvif->mt76.idx, 1147 }; 1148 struct mib_stats *mib = &phy->mib; 1149 /* See mt7996_ampdu_stat_read_phy, etc */ 1150 int i, ei = 0; 1151 1152 mutex_lock(&dev->mt76.mutex); 1153 1154 mt7996_mac_update_stats(phy); 1155 1156 data[ei++] = mib->tx_ampdu_cnt; 1157 data[ei++] = mib->tx_stop_q_empty_cnt; 1158 data[ei++] = mib->tx_mpdu_attempts_cnt; 1159 data[ei++] = mib->tx_mpdu_success_cnt; 1160 data[ei++] = mib->tx_rwp_fail_cnt; 1161 data[ei++] = mib->tx_rwp_need_cnt; 1162 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1163 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1164 1165 /* Tx ampdu stat */ 1166 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1167 data[ei++] = phy->mt76->aggr_stats[i]; 1168 data[ei++] = phy->mib.ba_miss_cnt; 1169 1170 /* Tx Beamformer monitor */ 1171 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1172 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1173 1174 /* Tx Beamformer Rx feedback monitor */ 1175 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1176 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1177 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1178 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1179 1180 data[ei++] = mib->tx_bf_rx_fb_bw; 1181 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1182 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1183 1184 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1185 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1186 data[ei++] = mib->tx_bf_fb_trig_cnt; 1187 1188 /* Tx SU & MU counters */ 1189 data[ei++] = mib->tx_mu_bf_cnt; 1190 data[ei++] = mib->tx_mu_mpdu_cnt; 1191 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1192 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1193 1194 /* Tx amsdu info (pack-count histogram) */ 1195 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1196 data[ei++] = mib->tx_amsdu[i]; 1197 1198 /* rx counters */ 1199 data[ei++] = mib->rx_fifo_full_cnt; 1200 data[ei++] = mib->rx_mpdu_cnt; 1201 data[ei++] = mib->channel_idle_cnt; 1202 data[ei++] = mib->rx_vector_mismatch_cnt; 1203 data[ei++] = mib->rx_delimiter_fail_cnt; 1204 data[ei++] = mib->rx_len_mismatch_cnt; 1205 data[ei++] = mib->rx_ampdu_cnt; 1206 data[ei++] = mib->rx_ampdu_bytes_cnt; 1207 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1208 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1209 data[ei++] = mib->rx_pfdrop_cnt; 1210 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1211 data[ei++] = mib->rx_ba_cnt; 1212 1213 /* Add values for all stations owned by this vif */ 1214 wi.initial_stat_idx = ei; 1215 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1216 1217 mutex_unlock(&dev->mt76.mutex); 1218 1219 if (wi.sta_count == 0) 1220 return; 1221 1222 ei += wi.worker_stat_count; 1223 if (ei != MT7996_SSTATS_LEN) 1224 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1225 ei, (int)MT7996_SSTATS_LEN); 1226 } 1227 1228 static void 1229 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1230 struct ieee80211_sta *sta, 1231 u8 flowid) 1232 { 1233 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1234 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1235 1236 mutex_lock(&dev->mt76.mutex); 1237 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1238 mutex_unlock(&dev->mt76.mutex); 1239 } 1240 1241 static int 1242 mt7996_set_radar_background(struct ieee80211_hw *hw, 1243 struct cfg80211_chan_def *chandef) 1244 { 1245 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1246 struct mt7996_dev *dev = phy->dev; 1247 int ret = -EINVAL; 1248 bool running; 1249 1250 mutex_lock(&dev->mt76.mutex); 1251 1252 if (dev->mt76.region == NL80211_DFS_UNSET) 1253 goto out; 1254 1255 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1256 /* rdd2 is already locked */ 1257 ret = -EBUSY; 1258 goto out; 1259 } 1260 1261 /* rdd2 already configured on a radar channel */ 1262 running = dev->rdd2_phy && 1263 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1264 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1265 1266 if (!chandef || running || 1267 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1268 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1269 if (ret) 1270 goto out; 1271 1272 if (!running) 1273 goto update_phy; 1274 } 1275 1276 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1277 if (ret) 1278 goto out; 1279 1280 update_phy: 1281 dev->rdd2_phy = chandef ? phy : NULL; 1282 if (chandef) 1283 dev->rdd2_chandef = *chandef; 1284 out: 1285 mutex_unlock(&dev->mt76.mutex); 1286 1287 return ret; 1288 } 1289 1290 const struct ieee80211_ops mt7996_ops = { 1291 .tx = mt7996_tx, 1292 .start = mt7996_start, 1293 .stop = mt7996_stop, 1294 .add_interface = mt7996_add_interface, 1295 .remove_interface = mt7996_remove_interface, 1296 .config = mt7996_config, 1297 .conf_tx = mt7996_conf_tx, 1298 .configure_filter = mt7996_configure_filter, 1299 .bss_info_changed = mt7996_bss_info_changed, 1300 .sta_add = mt7996_sta_add, 1301 .sta_remove = mt7996_sta_remove, 1302 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1303 .sta_rc_update = mt7996_sta_rc_update, 1304 .set_key = mt7996_set_key, 1305 .ampdu_action = mt7996_ampdu_action, 1306 .set_rts_threshold = mt7996_set_rts_threshold, 1307 .wake_tx_queue = mt76_wake_tx_queue, 1308 .sw_scan_start = mt76_sw_scan, 1309 .sw_scan_complete = mt76_sw_scan_complete, 1310 .release_buffered_frames = mt76_release_buffered_frames, 1311 .get_txpower = mt76_get_txpower, 1312 .channel_switch_beacon = mt7996_channel_switch_beacon, 1313 .get_stats = mt7996_get_stats, 1314 .get_et_sset_count = mt7996_get_et_sset_count, 1315 .get_et_stats = mt7996_get_et_stats, 1316 .get_et_strings = mt7996_get_et_strings, 1317 .get_tsf = mt7996_get_tsf, 1318 .set_tsf = mt7996_set_tsf, 1319 .offset_tsf = mt7996_offset_tsf, 1320 .get_survey = mt76_get_survey, 1321 .get_antenna = mt76_get_antenna, 1322 .set_antenna = mt7996_set_antenna, 1323 .set_bitrate_mask = mt7996_set_bitrate_mask, 1324 .set_coverage_class = mt7996_set_coverage_class, 1325 .sta_statistics = mt7996_sta_statistics, 1326 .sta_set_4addr = mt7996_sta_set_4addr, 1327 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1328 .add_twt_setup = mt7996_mac_add_twt_setup, 1329 .twt_teardown_request = mt7996_twt_teardown_request, 1330 #ifdef CONFIG_MAC80211_DEBUGFS 1331 .sta_add_debugfs = mt7996_sta_add_debugfs, 1332 #endif 1333 .set_radar_background = mt7996_set_radar_background, 1334 }; 1335