1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2022 MediaTek Inc. 4 */ 5 6 #include "mt7996.h" 7 #include "mcu.h" 8 #include "mac.h" 9 10 static bool mt7996_dev_running(struct mt7996_dev *dev) 11 { 12 struct mt7996_phy *phy; 13 14 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 15 return true; 16 17 phy = mt7996_phy2(dev); 18 if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) 19 return true; 20 21 phy = mt7996_phy3(dev); 22 23 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); 24 } 25 26 int mt7996_run(struct ieee80211_hw *hw) 27 { 28 struct mt7996_dev *dev = mt7996_hw_dev(hw); 29 struct mt7996_phy *phy = mt7996_hw_phy(hw); 30 bool running; 31 int ret; 32 33 running = mt7996_dev_running(dev); 34 if (!running) { 35 ret = mt7996_mcu_set_hdr_trans(dev, true); 36 if (ret) 37 goto out; 38 } 39 40 mt7996_mac_enable_nf(dev, phy->mt76->band_idx); 41 42 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b); 43 if (ret) 44 goto out; 45 46 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 47 if (ret) 48 goto out; 49 50 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 51 52 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 53 MT7996_WATCHDOG_TIME); 54 55 if (!running) 56 mt7996_mac_reset_counters(phy); 57 58 out: 59 return ret; 60 } 61 62 static int mt7996_start(struct ieee80211_hw *hw) 63 { 64 struct mt7996_dev *dev = mt7996_hw_dev(hw); 65 int ret; 66 67 flush_work(&dev->init_work); 68 69 mutex_lock(&dev->mt76.mutex); 70 ret = mt7996_run(hw); 71 mutex_unlock(&dev->mt76.mutex); 72 73 return ret; 74 } 75 76 static void mt7996_stop(struct ieee80211_hw *hw) 77 { 78 struct mt7996_dev *dev = mt7996_hw_dev(hw); 79 struct mt7996_phy *phy = mt7996_hw_phy(hw); 80 81 cancel_delayed_work_sync(&phy->mt76->mac_work); 82 83 mutex_lock(&dev->mt76.mutex); 84 85 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 86 87 mutex_unlock(&dev->mt76.mutex); 88 } 89 90 static inline int get_free_idx(u32 mask, u8 start, u8 end) 91 { 92 return ffs(~mask & GENMASK(end, start)); 93 } 94 95 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 96 { 97 int i; 98 99 switch (type) { 100 case NL80211_IFTYPE_MESH_POINT: 101 case NL80211_IFTYPE_ADHOC: 102 case NL80211_IFTYPE_STATION: 103 /* prefer hw bssid slot 1-3 */ 104 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 105 if (i) 106 return i - 1; 107 108 if (type != NL80211_IFTYPE_STATION) 109 break; 110 111 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 112 if (i) 113 return i - 1; 114 115 if (~mask & BIT(HW_BSSID_0)) 116 return HW_BSSID_0; 117 118 break; 119 case NL80211_IFTYPE_MONITOR: 120 case NL80211_IFTYPE_AP: 121 /* ap uses hw bssid 0 and ext bssid */ 122 if (~mask & BIT(HW_BSSID_0)) 123 return HW_BSSID_0; 124 125 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 126 if (i) 127 return i - 1; 128 129 break; 130 default: 131 WARN_ON(1); 132 break; 133 } 134 135 return -1; 136 } 137 138 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) 139 { 140 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 141 int i; 142 143 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 144 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 145 mvif->bitrate_mask.control[i].he_gi = 0xff; 146 mvif->bitrate_mask.control[i].he_ltf = 0xff; 147 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 148 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 149 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 150 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 151 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 152 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 153 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 154 } 155 } 156 157 static int mt7996_add_interface(struct ieee80211_hw *hw, 158 struct ieee80211_vif *vif) 159 { 160 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 161 struct mt7996_dev *dev = mt7996_hw_dev(hw); 162 struct mt7996_phy *phy = mt7996_hw_phy(hw); 163 struct mt76_txq *mtxq; 164 u8 band_idx = phy->mt76->band_idx; 165 int idx, ret = 0; 166 167 mutex_lock(&dev->mt76.mutex); 168 169 if (vif->type == NL80211_IFTYPE_MONITOR && 170 is_zero_ether_addr(vif->addr)) 171 phy->monitor_vif = vif; 172 173 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 174 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) { 175 ret = -ENOSPC; 176 goto out; 177 } 178 179 idx = get_omac_idx(vif->type, phy->omac_mask); 180 if (idx < 0) { 181 ret = -ENOSPC; 182 goto out; 183 } 184 mvif->mt76.omac_idx = idx; 185 mvif->phy = phy; 186 mvif->mt76.band_idx = band_idx; 187 mvif->mt76.wmm_idx = band_idx; 188 189 ret = mt7996_mcu_add_dev_info(phy, vif, true); 190 if (ret) 191 goto out; 192 193 ret = mt7996_mcu_set_radio_en(phy, true); 194 if (ret) 195 goto out; 196 197 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 198 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 199 200 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; 201 202 INIT_LIST_HEAD(&mvif->sta.rc_list); 203 INIT_LIST_HEAD(&mvif->sta.poll_list); 204 mvif->sta.wcid.idx = idx; 205 mvif->sta.wcid.phy_idx = band_idx; 206 mvif->sta.wcid.hw_key_idx = -1; 207 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 208 mt76_packet_id_init(&mvif->sta.wcid); 209 210 mt7996_mac_wtbl_update(dev, idx, 211 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 212 213 if (vif->txq) { 214 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 215 mtxq->wcid = idx; 216 } 217 218 if (vif->type != NL80211_IFTYPE_AP && 219 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 220 vif->offload_flags = 0; 221 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 222 223 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 224 mvif->basic_rates_idx = MT7996_BASIC_RATES_TBL + 4; 225 else 226 mvif->basic_rates_idx = MT7996_BASIC_RATES_TBL; 227 228 mt7996_init_bitrate_mask(vif); 229 230 mt7996_mcu_add_bss_info(phy, vif, true); 231 mt7996_mcu_add_sta(dev, vif, NULL, true); 232 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 233 234 out: 235 mutex_unlock(&dev->mt76.mutex); 236 237 return ret; 238 } 239 240 static void mt7996_remove_interface(struct ieee80211_hw *hw, 241 struct ieee80211_vif *vif) 242 { 243 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 244 struct mt7996_sta *msta = &mvif->sta; 245 struct mt7996_dev *dev = mt7996_hw_dev(hw); 246 struct mt7996_phy *phy = mt7996_hw_phy(hw); 247 int idx = msta->wcid.idx; 248 249 mt7996_mcu_add_bss_info(phy, vif, false); 250 mt7996_mcu_add_sta(dev, vif, NULL, false); 251 252 if (vif == phy->monitor_vif) 253 phy->monitor_vif = NULL; 254 255 mt7996_mcu_add_dev_info(phy, vif, false); 256 mt7996_mcu_set_radio_en(phy, false); 257 258 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 259 260 mutex_lock(&dev->mt76.mutex); 261 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 262 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 263 mutex_unlock(&dev->mt76.mutex); 264 265 spin_lock_bh(&dev->sta_poll_lock); 266 if (!list_empty(&msta->poll_list)) 267 list_del_init(&msta->poll_list); 268 spin_unlock_bh(&dev->sta_poll_lock); 269 270 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 271 } 272 273 int mt7996_set_channel(struct mt7996_phy *phy) 274 { 275 struct mt7996_dev *dev = phy->dev; 276 int ret; 277 278 cancel_delayed_work_sync(&phy->mt76->mac_work); 279 280 mutex_lock(&dev->mt76.mutex); 281 set_bit(MT76_RESET, &phy->mt76->state); 282 283 mt76_set_channel(phy->mt76); 284 285 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 286 if (ret) 287 goto out; 288 289 mt7996_mac_set_timing(phy); 290 ret = mt7996_dfs_init_radar_detector(phy); 291 mt7996_mac_cca_stats_reset(phy); 292 293 mt7996_mac_reset_counters(phy); 294 phy->noise = 0; 295 296 out: 297 clear_bit(MT76_RESET, &phy->mt76->state); 298 mutex_unlock(&dev->mt76.mutex); 299 300 mt76_txq_schedule_all(phy->mt76); 301 302 ieee80211_queue_delayed_work(phy->mt76->hw, 303 &phy->mt76->mac_work, 304 MT7996_WATCHDOG_TIME); 305 306 return ret; 307 } 308 309 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 310 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 311 struct ieee80211_key_conf *key) 312 { 313 struct mt7996_dev *dev = mt7996_hw_dev(hw); 314 struct mt7996_phy *phy = mt7996_hw_phy(hw); 315 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 316 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 317 &mvif->sta; 318 struct mt76_wcid *wcid = &msta->wcid; 319 u8 *wcid_keyidx = &wcid->hw_key_idx; 320 int idx = key->keyidx; 321 int err = 0; 322 323 /* The hardware does not support per-STA RX GTK, fallback 324 * to software mode for these. 325 */ 326 if ((vif->type == NL80211_IFTYPE_ADHOC || 327 vif->type == NL80211_IFTYPE_MESH_POINT) && 328 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 329 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 330 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 331 return -EOPNOTSUPP; 332 333 /* fall back to sw encryption for unsupported ciphers */ 334 switch (key->cipher) { 335 case WLAN_CIPHER_SUITE_AES_CMAC: 336 wcid_keyidx = &wcid->hw_key_idx2; 337 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 338 break; 339 case WLAN_CIPHER_SUITE_TKIP: 340 case WLAN_CIPHER_SUITE_CCMP: 341 case WLAN_CIPHER_SUITE_CCMP_256: 342 case WLAN_CIPHER_SUITE_GCMP: 343 case WLAN_CIPHER_SUITE_GCMP_256: 344 case WLAN_CIPHER_SUITE_SMS4: 345 break; 346 case WLAN_CIPHER_SUITE_WEP40: 347 case WLAN_CIPHER_SUITE_WEP104: 348 default: 349 return -EOPNOTSUPP; 350 } 351 352 mutex_lock(&dev->mt76.mutex); 353 354 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 355 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 356 mt7996_mcu_add_bss_info(phy, vif, true); 357 } 358 359 if (cmd == SET_KEY) { 360 *wcid_keyidx = idx; 361 } else { 362 if (idx == *wcid_keyidx) 363 *wcid_keyidx = -1; 364 goto out; 365 } 366 367 mt76_wcid_key_setup(&dev->mt76, wcid, key); 368 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip, 369 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 370 &msta->wcid, cmd); 371 out: 372 mutex_unlock(&dev->mt76.mutex); 373 374 return err; 375 } 376 377 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 378 { 379 struct mt7996_dev *dev = mt7996_hw_dev(hw); 380 struct mt7996_phy *phy = mt7996_hw_phy(hw); 381 int ret; 382 383 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 384 ieee80211_stop_queues(hw); 385 ret = mt7996_set_channel(phy); 386 if (ret) 387 return ret; 388 ieee80211_wake_queues(hw); 389 } 390 391 mutex_lock(&dev->mt76.mutex); 392 393 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 394 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 395 396 if (!enabled) 397 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 398 else 399 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 400 401 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 402 MT_DMA_DCR0_RXD_G5_EN, enabled); 403 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 404 } 405 406 mutex_unlock(&dev->mt76.mutex); 407 408 return 0; 409 } 410 411 static int 412 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 413 unsigned int link_id, u16 queue, 414 const struct ieee80211_tx_queue_params *params) 415 { 416 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 417 418 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 419 queue = mt76_connac_lmac_mapping(queue); 420 mvif->queue_params[queue] = *params; 421 422 return 0; 423 } 424 425 static void mt7996_configure_filter(struct ieee80211_hw *hw, 426 unsigned int changed_flags, 427 unsigned int *total_flags, 428 u64 multicast) 429 { 430 struct mt7996_dev *dev = mt7996_hw_dev(hw); 431 struct mt7996_phy *phy = mt7996_hw_phy(hw); 432 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 433 MT_WF_RFCR1_DROP_BF_POLL | 434 MT_WF_RFCR1_DROP_BA | 435 MT_WF_RFCR1_DROP_CFEND | 436 MT_WF_RFCR1_DROP_CFACK; 437 u32 flags = 0; 438 439 #define MT76_FILTER(_flag, _hw) do { \ 440 flags |= *total_flags & FIF_##_flag; \ 441 phy->rxfilter &= ~(_hw); \ 442 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 443 } while (0) 444 445 mutex_lock(&dev->mt76.mutex); 446 447 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 448 MT_WF_RFCR_DROP_OTHER_BEACON | 449 MT_WF_RFCR_DROP_FRAME_REPORT | 450 MT_WF_RFCR_DROP_PROBEREQ | 451 MT_WF_RFCR_DROP_MCAST_FILTERED | 452 MT_WF_RFCR_DROP_MCAST | 453 MT_WF_RFCR_DROP_BCAST | 454 MT_WF_RFCR_DROP_DUPLICATE | 455 MT_WF_RFCR_DROP_A2_BSSID | 456 MT_WF_RFCR_DROP_UNWANTED_CTL | 457 MT_WF_RFCR_DROP_STBC_MULTI); 458 459 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 460 MT_WF_RFCR_DROP_A3_MAC | 461 MT_WF_RFCR_DROP_A3_BSSID); 462 463 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 464 465 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 466 MT_WF_RFCR_DROP_RTS | 467 MT_WF_RFCR_DROP_CTL_RSV | 468 MT_WF_RFCR_DROP_NDPA); 469 470 *total_flags = flags; 471 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 472 473 if (*total_flags & FIF_CONTROL) 474 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 475 else 476 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 477 478 mutex_unlock(&dev->mt76.mutex); 479 } 480 481 static void 482 mt7996_update_bss_color(struct ieee80211_hw *hw, 483 struct ieee80211_vif *vif, 484 struct cfg80211_he_bss_color *bss_color) 485 { 486 struct mt7996_dev *dev = mt7996_hw_dev(hw); 487 488 switch (vif->type) { 489 case NL80211_IFTYPE_AP: { 490 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 491 492 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 493 return; 494 fallthrough; 495 } 496 case NL80211_IFTYPE_STATION: 497 mt7996_mcu_update_bss_color(dev, vif, bss_color); 498 break; 499 default: 500 break; 501 } 502 } 503 504 static u8 505 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 506 bool beacon, bool mcast) 507 { 508 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 509 struct mt76_phy *mphy = hw->priv; 510 u16 rate; 511 u8 i, idx, ht; 512 513 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 514 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 515 516 if (beacon && ht) { 517 struct mt7996_dev *dev = mt7996_hw_dev(hw); 518 519 /* must odd index */ 520 idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->mt76.idx % 20); 521 mt7996_mac_set_fixed_rate_table(dev, idx, rate); 522 return idx; 523 } 524 525 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 526 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 527 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 528 return MT7996_BASIC_RATES_TBL + i; 529 530 return mvif->basic_rates_idx; 531 } 532 533 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 534 struct ieee80211_vif *vif, 535 struct ieee80211_bss_conf *info, 536 u64 changed) 537 { 538 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 539 struct mt7996_phy *phy = mt7996_hw_phy(hw); 540 struct mt7996_dev *dev = mt7996_hw_dev(hw); 541 542 mutex_lock(&dev->mt76.mutex); 543 544 /* station mode uses BSSID to map the wlan entry to a peer, 545 * and then peer references bss_info_rfch to set bandwidth cap. 546 */ 547 if (changed & BSS_CHANGED_BSSID && 548 vif->type == NL80211_IFTYPE_STATION) { 549 bool join = !is_zero_ether_addr(info->bssid); 550 551 mt7996_mcu_add_bss_info(phy, vif, join); 552 mt7996_mcu_add_sta(dev, vif, NULL, join); 553 } 554 555 if (changed & BSS_CHANGED_ASSOC) 556 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 557 558 if (changed & BSS_CHANGED_ERP_CTS_PROT) 559 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 560 561 if (changed & BSS_CHANGED_ERP_SLOT) { 562 int slottime = info->use_short_slot ? 9 : 20; 563 564 if (slottime != phy->slottime) { 565 phy->slottime = slottime; 566 mt7996_mac_set_timing(phy); 567 } 568 } 569 570 if (changed & BSS_CHANGED_MCAST_RATE) 571 mvif->mcast_rates_idx = 572 mt7996_get_rates_table(hw, vif, false, true); 573 574 if (changed & BSS_CHANGED_BASIC_RATES) 575 mvif->basic_rates_idx = 576 mt7996_get_rates_table(hw, vif, false, false); 577 578 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 579 mt7996_mcu_add_bss_info(phy, vif, true); 580 mt7996_mcu_add_sta(dev, vif, NULL, true); 581 } 582 583 /* ensure that enable txcmd_mode after bss_info */ 584 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 585 mt7996_mcu_set_tx(dev, vif); 586 587 if (changed & BSS_CHANGED_HE_OBSS_PD) 588 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 589 590 if (changed & BSS_CHANGED_HE_BSS_COLOR) 591 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 592 593 if (changed & (BSS_CHANGED_BEACON | 594 BSS_CHANGED_BEACON_ENABLED)) { 595 mvif->beacon_rates_idx = 596 mt7996_get_rates_table(hw, vif, true, false); 597 598 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 599 } 600 601 if (changed & BSS_CHANGED_UNSOL_BCAST_PROBE_RESP || 602 changed & BSS_CHANGED_FILS_DISCOVERY) 603 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 604 605 mutex_unlock(&dev->mt76.mutex); 606 } 607 608 static void 609 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 610 struct ieee80211_vif *vif, 611 struct cfg80211_chan_def *chandef) 612 { 613 struct mt7996_dev *dev = mt7996_hw_dev(hw); 614 615 mutex_lock(&dev->mt76.mutex); 616 mt7996_mcu_add_beacon(hw, vif, true); 617 mutex_unlock(&dev->mt76.mutex); 618 } 619 620 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 621 struct ieee80211_sta *sta) 622 { 623 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 624 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 625 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 626 u8 band_idx = mvif->phy->mt76->band_idx; 627 int ret, idx; 628 629 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 630 if (idx < 0) 631 return -ENOSPC; 632 633 INIT_LIST_HEAD(&msta->rc_list); 634 INIT_LIST_HEAD(&msta->poll_list); 635 msta->vif = mvif; 636 msta->wcid.sta = 1; 637 msta->wcid.idx = idx; 638 msta->wcid.phy_idx = band_idx; 639 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 640 msta->jiffies = jiffies; 641 642 ewma_avg_signal_init(&msta->avg_ack_signal); 643 644 mt7996_mac_wtbl_update(dev, idx, 645 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 646 647 ret = mt7996_mcu_add_sta(dev, vif, sta, true); 648 if (ret) 649 return ret; 650 651 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 652 } 653 654 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 655 struct ieee80211_sta *sta) 656 { 657 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 658 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 659 int i; 660 661 mt7996_mcu_add_sta(dev, vif, sta, false); 662 663 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 664 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 665 666 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 667 mt7996_mac_twt_teardown_flow(dev, msta, i); 668 669 spin_lock_bh(&dev->sta_poll_lock); 670 if (!list_empty(&msta->poll_list)) 671 list_del_init(&msta->poll_list); 672 if (!list_empty(&msta->rc_list)) 673 list_del_init(&msta->rc_list); 674 spin_unlock_bh(&dev->sta_poll_lock); 675 } 676 677 static void mt7996_tx(struct ieee80211_hw *hw, 678 struct ieee80211_tx_control *control, 679 struct sk_buff *skb) 680 { 681 struct mt7996_dev *dev = mt7996_hw_dev(hw); 682 struct mt76_phy *mphy = hw->priv; 683 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 684 struct ieee80211_vif *vif = info->control.vif; 685 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 686 687 if (control->sta) { 688 struct mt7996_sta *sta; 689 690 sta = (struct mt7996_sta *)control->sta->drv_priv; 691 wcid = &sta->wcid; 692 } 693 694 if (vif && !control->sta) { 695 struct mt7996_vif *mvif; 696 697 mvif = (struct mt7996_vif *)vif->drv_priv; 698 wcid = &mvif->sta.wcid; 699 } 700 701 mt76_tx(mphy, control->sta, wcid, skb); 702 } 703 704 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 705 { 706 struct mt7996_phy *phy = mt7996_hw_phy(hw); 707 int ret; 708 709 mutex_lock(&phy->dev->mt76.mutex); 710 ret = mt7996_mcu_set_rts_thresh(phy, val); 711 mutex_unlock(&phy->dev->mt76.mutex); 712 713 return ret; 714 } 715 716 static int 717 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 718 struct ieee80211_ampdu_params *params) 719 { 720 enum ieee80211_ampdu_mlme_action action = params->action; 721 struct mt7996_dev *dev = mt7996_hw_dev(hw); 722 struct ieee80211_sta *sta = params->sta; 723 struct ieee80211_txq *txq = sta->txq[params->tid]; 724 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 725 u16 tid = params->tid; 726 u16 ssn = params->ssn; 727 struct mt76_txq *mtxq; 728 int ret = 0; 729 730 if (!txq) 731 return -EINVAL; 732 733 mtxq = (struct mt76_txq *)txq->drv_priv; 734 735 mutex_lock(&dev->mt76.mutex); 736 switch (action) { 737 case IEEE80211_AMPDU_RX_START: 738 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 739 params->buf_size); 740 ret = mt7996_mcu_add_rx_ba(dev, params, true); 741 break; 742 case IEEE80211_AMPDU_RX_STOP: 743 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 744 ret = mt7996_mcu_add_rx_ba(dev, params, false); 745 break; 746 case IEEE80211_AMPDU_TX_OPERATIONAL: 747 mtxq->aggr = true; 748 mtxq->send_bar = false; 749 ret = mt7996_mcu_add_tx_ba(dev, params, true); 750 break; 751 case IEEE80211_AMPDU_TX_STOP_FLUSH: 752 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 753 mtxq->aggr = false; 754 clear_bit(tid, &msta->ampdu_state); 755 ret = mt7996_mcu_add_tx_ba(dev, params, false); 756 break; 757 case IEEE80211_AMPDU_TX_START: 758 set_bit(tid, &msta->ampdu_state); 759 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 760 break; 761 case IEEE80211_AMPDU_TX_STOP_CONT: 762 mtxq->aggr = false; 763 clear_bit(tid, &msta->ampdu_state); 764 ret = mt7996_mcu_add_tx_ba(dev, params, false); 765 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 766 break; 767 } 768 mutex_unlock(&dev->mt76.mutex); 769 770 return ret; 771 } 772 773 static int 774 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 775 struct ieee80211_sta *sta) 776 { 777 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 778 IEEE80211_STA_NONE); 779 } 780 781 static int 782 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 783 struct ieee80211_sta *sta) 784 { 785 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 786 IEEE80211_STA_NOTEXIST); 787 } 788 789 static int 790 mt7996_get_stats(struct ieee80211_hw *hw, 791 struct ieee80211_low_level_stats *stats) 792 { 793 struct mt7996_phy *phy = mt7996_hw_phy(hw); 794 struct mt7996_dev *dev = mt7996_hw_dev(hw); 795 struct mib_stats *mib = &phy->mib; 796 797 mutex_lock(&dev->mt76.mutex); 798 799 stats->dot11RTSSuccessCount = mib->rts_cnt; 800 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 801 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 802 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 803 804 mutex_unlock(&dev->mt76.mutex); 805 806 return 0; 807 } 808 809 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 810 { 811 struct mt7996_dev *dev = mt7996_hw_dev(hw); 812 struct mt7996_phy *phy = mt7996_hw_phy(hw); 813 union { 814 u64 t64; 815 u32 t32[2]; 816 } tsf; 817 u16 n; 818 819 lockdep_assert_held(&dev->mt76.mutex); 820 821 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 822 : mvif->mt76.omac_idx; 823 /* TSF software read */ 824 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 825 MT_LPON_TCR_SW_READ); 826 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 827 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 828 829 return tsf.t64; 830 } 831 832 static u64 833 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 834 { 835 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 836 struct mt7996_dev *dev = mt7996_hw_dev(hw); 837 u64 ret; 838 839 mutex_lock(&dev->mt76.mutex); 840 ret = __mt7996_get_tsf(hw, mvif); 841 mutex_unlock(&dev->mt76.mutex); 842 843 return ret; 844 } 845 846 static void 847 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 848 u64 timestamp) 849 { 850 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 851 struct mt7996_dev *dev = mt7996_hw_dev(hw); 852 struct mt7996_phy *phy = mt7996_hw_phy(hw); 853 union { 854 u64 t64; 855 u32 t32[2]; 856 } tsf = { .t64 = timestamp, }; 857 u16 n; 858 859 mutex_lock(&dev->mt76.mutex); 860 861 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 862 : mvif->mt76.omac_idx; 863 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 864 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 865 /* TSF software overwrite */ 866 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 867 MT_LPON_TCR_SW_WRITE); 868 869 mutex_unlock(&dev->mt76.mutex); 870 } 871 872 static void 873 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 874 s64 timestamp) 875 { 876 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 877 struct mt7996_dev *dev = mt7996_hw_dev(hw); 878 struct mt7996_phy *phy = mt7996_hw_phy(hw); 879 union { 880 u64 t64; 881 u32 t32[2]; 882 } tsf = { .t64 = timestamp, }; 883 u16 n; 884 885 mutex_lock(&dev->mt76.mutex); 886 887 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 888 : mvif->mt76.omac_idx; 889 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 890 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 891 /* TSF software adjust*/ 892 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 893 MT_LPON_TCR_SW_ADJUST); 894 895 mutex_unlock(&dev->mt76.mutex); 896 } 897 898 static void 899 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 900 { 901 struct mt7996_phy *phy = mt7996_hw_phy(hw); 902 struct mt7996_dev *dev = phy->dev; 903 904 mutex_lock(&dev->mt76.mutex); 905 phy->coverage_class = max_t(s16, coverage_class, 0); 906 mt7996_mac_set_timing(phy); 907 mutex_unlock(&dev->mt76.mutex); 908 } 909 910 static int 911 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 912 { 913 struct mt7996_dev *dev = mt7996_hw_dev(hw); 914 struct mt7996_phy *phy = mt7996_hw_phy(hw); 915 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 916 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 917 918 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 919 return -EINVAL; 920 921 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 922 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 923 924 mutex_lock(&dev->mt76.mutex); 925 926 phy->mt76->antenna_mask = tx_ant; 927 928 /* restore to the origin chainmask which might have auxiliary path */ 929 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 930 phy->mt76->chainmask = ((dev->chainmask >> shift) & 931 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 932 else if (hweight8(tx_ant) == max_nss) 933 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 934 else 935 phy->mt76->chainmask = tx_ant << shift; 936 937 mt76_set_stream_caps(phy->mt76, true); 938 mt7996_set_stream_vht_txbf_caps(phy); 939 mt7996_set_stream_he_eht_caps(phy); 940 941 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 942 mutex_unlock(&dev->mt76.mutex); 943 944 return 0; 945 } 946 947 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 948 struct ieee80211_vif *vif, 949 struct ieee80211_sta *sta, 950 struct station_info *sinfo) 951 { 952 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 953 struct rate_info *txrate = &msta->wcid.rate; 954 955 if (!txrate->legacy && !txrate->flags) 956 return; 957 958 if (txrate->legacy) { 959 sinfo->txrate.legacy = txrate->legacy; 960 } else { 961 sinfo->txrate.mcs = txrate->mcs; 962 sinfo->txrate.nss = txrate->nss; 963 sinfo->txrate.bw = txrate->bw; 964 sinfo->txrate.he_gi = txrate->he_gi; 965 sinfo->txrate.he_dcm = txrate->he_dcm; 966 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 967 } 968 sinfo->txrate.flags = txrate->flags; 969 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 970 971 sinfo->ack_signal = (s8)msta->ack_signal; 972 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 973 974 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 975 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 976 } 977 978 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 979 { 980 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 981 struct mt7996_dev *dev = msta->vif->phy->dev; 982 u32 *changed = data; 983 984 spin_lock_bh(&dev->sta_poll_lock); 985 msta->changed |= *changed; 986 if (list_empty(&msta->rc_list)) 987 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 988 spin_unlock_bh(&dev->sta_poll_lock); 989 } 990 991 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 992 struct ieee80211_vif *vif, 993 struct ieee80211_sta *sta, 994 u32 changed) 995 { 996 struct mt7996_phy *phy = mt7996_hw_phy(hw); 997 struct mt7996_dev *dev = phy->dev; 998 999 mt7996_sta_rc_work(&changed, sta); 1000 ieee80211_queue_work(hw, &dev->rc_work); 1001 } 1002 1003 static int 1004 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1005 const struct cfg80211_bitrate_mask *mask) 1006 { 1007 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1008 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1009 struct mt7996_dev *dev = phy->dev; 1010 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1011 1012 mvif->bitrate_mask = *mask; 1013 1014 /* if multiple rates across different preambles are given we can 1015 * reconfigure this info with all peers using sta_rec command with 1016 * the below exception cases. 1017 * - single rate : if a rate is passed along with different preambles, 1018 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1019 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1020 * then multiple MCS setting (MCS 4,5,6) is not supported. 1021 */ 1022 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 1023 ieee80211_queue_work(hw, &dev->rc_work); 1024 1025 return 0; 1026 } 1027 1028 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 1029 struct ieee80211_vif *vif, 1030 struct ieee80211_sta *sta, 1031 bool enabled) 1032 { 1033 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1034 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1035 1036 if (enabled) 1037 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1038 else 1039 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1040 1041 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1042 } 1043 1044 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 1045 struct ieee80211_vif *vif, 1046 struct ieee80211_sta *sta, 1047 bool enabled) 1048 { 1049 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1050 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1051 1052 if (enabled) 1053 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1054 else 1055 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1056 1057 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1058 } 1059 1060 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1061 "tx_ampdu_cnt", 1062 "tx_stop_q_empty_cnt", 1063 "tx_mpdu_attempts", 1064 "tx_mpdu_success", 1065 "tx_rwp_fail_cnt", 1066 "tx_rwp_need_cnt", 1067 "tx_pkt_ebf_cnt", 1068 "tx_pkt_ibf_cnt", 1069 "tx_ampdu_len:0-1", 1070 "tx_ampdu_len:2-10", 1071 "tx_ampdu_len:11-19", 1072 "tx_ampdu_len:20-28", 1073 "tx_ampdu_len:29-37", 1074 "tx_ampdu_len:38-46", 1075 "tx_ampdu_len:47-55", 1076 "tx_ampdu_len:56-79", 1077 "tx_ampdu_len:80-103", 1078 "tx_ampdu_len:104-127", 1079 "tx_ampdu_len:128-151", 1080 "tx_ampdu_len:152-175", 1081 "tx_ampdu_len:176-199", 1082 "tx_ampdu_len:200-223", 1083 "tx_ampdu_len:224-247", 1084 "ba_miss_count", 1085 "tx_beamformer_ppdu_iBF", 1086 "tx_beamformer_ppdu_eBF", 1087 "tx_beamformer_rx_feedback_all", 1088 "tx_beamformer_rx_feedback_he", 1089 "tx_beamformer_rx_feedback_vht", 1090 "tx_beamformer_rx_feedback_ht", 1091 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1092 "tx_beamformer_rx_feedback_nc", 1093 "tx_beamformer_rx_feedback_nr", 1094 "tx_beamformee_ok_feedback_pkts", 1095 "tx_beamformee_feedback_trig", 1096 "tx_mu_beamforming", 1097 "tx_mu_mpdu", 1098 "tx_mu_successful_mpdu", 1099 "tx_su_successful_mpdu", 1100 "tx_msdu_pack_1", 1101 "tx_msdu_pack_2", 1102 "tx_msdu_pack_3", 1103 "tx_msdu_pack_4", 1104 "tx_msdu_pack_5", 1105 "tx_msdu_pack_6", 1106 "tx_msdu_pack_7", 1107 "tx_msdu_pack_8", 1108 1109 /* rx counters */ 1110 "rx_fifo_full_cnt", 1111 "rx_mpdu_cnt", 1112 "channel_idle_cnt", 1113 "rx_vector_mismatch_cnt", 1114 "rx_delimiter_fail_cnt", 1115 "rx_len_mismatch_cnt", 1116 "rx_ampdu_cnt", 1117 "rx_ampdu_bytes_cnt", 1118 "rx_ampdu_valid_subframe_cnt", 1119 "rx_ampdu_valid_subframe_b_cnt", 1120 "rx_pfdrop_cnt", 1121 "rx_vec_queue_overflow_drop_cnt", 1122 "rx_ba_cnt", 1123 1124 /* per vif counters */ 1125 "v_tx_mode_cck", 1126 "v_tx_mode_ofdm", 1127 "v_tx_mode_ht", 1128 "v_tx_mode_ht_gf", 1129 "v_tx_mode_vht", 1130 "v_tx_mode_he_su", 1131 "v_tx_mode_he_ext_su", 1132 "v_tx_mode_he_tb", 1133 "v_tx_mode_he_mu", 1134 "v_tx_mode_eht_su", 1135 "v_tx_mode_eht_trig", 1136 "v_tx_mode_eht_mu", 1137 "v_tx_bw_20", 1138 "v_tx_bw_40", 1139 "v_tx_bw_80", 1140 "v_tx_bw_160", 1141 "v_tx_bw_320", 1142 "v_tx_mcs_0", 1143 "v_tx_mcs_1", 1144 "v_tx_mcs_2", 1145 "v_tx_mcs_3", 1146 "v_tx_mcs_4", 1147 "v_tx_mcs_5", 1148 "v_tx_mcs_6", 1149 "v_tx_mcs_7", 1150 "v_tx_mcs_8", 1151 "v_tx_mcs_9", 1152 "v_tx_mcs_10", 1153 "v_tx_mcs_11", 1154 "v_tx_mcs_12", 1155 "v_tx_mcs_13", 1156 }; 1157 1158 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1159 1160 /* Ethtool related API */ 1161 static 1162 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1163 struct ieee80211_vif *vif, 1164 u32 sset, u8 *data) 1165 { 1166 if (sset == ETH_SS_STATS) 1167 memcpy(data, *mt7996_gstrings_stats, 1168 sizeof(mt7996_gstrings_stats)); 1169 } 1170 1171 static 1172 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1173 struct ieee80211_vif *vif, int sset) 1174 { 1175 if (sset == ETH_SS_STATS) 1176 return MT7996_SSTATS_LEN; 1177 1178 return 0; 1179 } 1180 1181 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1182 { 1183 struct mt76_ethtool_worker_info *wi = wi_data; 1184 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1185 1186 if (msta->vif->mt76.idx != wi->idx) 1187 return; 1188 1189 mt76_ethtool_worker(wi, &msta->stats, true); 1190 } 1191 1192 static 1193 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1194 struct ieee80211_vif *vif, 1195 struct ethtool_stats *stats, u64 *data) 1196 { 1197 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1198 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1199 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1200 struct mt76_ethtool_worker_info wi = { 1201 .data = data, 1202 .idx = mvif->mt76.idx, 1203 }; 1204 struct mib_stats *mib = &phy->mib; 1205 /* See mt7996_ampdu_stat_read_phy, etc */ 1206 int i, ei = 0; 1207 1208 mutex_lock(&dev->mt76.mutex); 1209 1210 mt7996_mac_update_stats(phy); 1211 1212 data[ei++] = mib->tx_ampdu_cnt; 1213 data[ei++] = mib->tx_stop_q_empty_cnt; 1214 data[ei++] = mib->tx_mpdu_attempts_cnt; 1215 data[ei++] = mib->tx_mpdu_success_cnt; 1216 data[ei++] = mib->tx_rwp_fail_cnt; 1217 data[ei++] = mib->tx_rwp_need_cnt; 1218 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1219 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1220 1221 /* Tx ampdu stat */ 1222 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1223 data[ei++] = phy->mt76->aggr_stats[i]; 1224 data[ei++] = phy->mib.ba_miss_cnt; 1225 1226 /* Tx Beamformer monitor */ 1227 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1228 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1229 1230 /* Tx Beamformer Rx feedback monitor */ 1231 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1232 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1233 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1234 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1235 1236 data[ei++] = mib->tx_bf_rx_fb_bw; 1237 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1238 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1239 1240 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1241 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1242 data[ei++] = mib->tx_bf_fb_trig_cnt; 1243 1244 /* Tx SU & MU counters */ 1245 data[ei++] = mib->tx_mu_bf_cnt; 1246 data[ei++] = mib->tx_mu_mpdu_cnt; 1247 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1248 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1249 1250 /* Tx amsdu info (pack-count histogram) */ 1251 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1252 data[ei++] = mib->tx_amsdu[i]; 1253 1254 /* rx counters */ 1255 data[ei++] = mib->rx_fifo_full_cnt; 1256 data[ei++] = mib->rx_mpdu_cnt; 1257 data[ei++] = mib->channel_idle_cnt; 1258 data[ei++] = mib->rx_vector_mismatch_cnt; 1259 data[ei++] = mib->rx_delimiter_fail_cnt; 1260 data[ei++] = mib->rx_len_mismatch_cnt; 1261 data[ei++] = mib->rx_ampdu_cnt; 1262 data[ei++] = mib->rx_ampdu_bytes_cnt; 1263 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1264 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1265 data[ei++] = mib->rx_pfdrop_cnt; 1266 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1267 data[ei++] = mib->rx_ba_cnt; 1268 1269 /* Add values for all stations owned by this vif */ 1270 wi.initial_stat_idx = ei; 1271 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1272 1273 mutex_unlock(&dev->mt76.mutex); 1274 1275 if (wi.sta_count == 0) 1276 return; 1277 1278 ei += wi.worker_stat_count; 1279 if (ei != MT7996_SSTATS_LEN) 1280 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1281 ei, (int)MT7996_SSTATS_LEN); 1282 } 1283 1284 static void 1285 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1286 struct ieee80211_sta *sta, 1287 u8 flowid) 1288 { 1289 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1290 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1291 1292 mutex_lock(&dev->mt76.mutex); 1293 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1294 mutex_unlock(&dev->mt76.mutex); 1295 } 1296 1297 static int 1298 mt7996_set_radar_background(struct ieee80211_hw *hw, 1299 struct cfg80211_chan_def *chandef) 1300 { 1301 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1302 struct mt7996_dev *dev = phy->dev; 1303 int ret = -EINVAL; 1304 bool running; 1305 1306 mutex_lock(&dev->mt76.mutex); 1307 1308 if (dev->mt76.region == NL80211_DFS_UNSET) 1309 goto out; 1310 1311 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1312 /* rdd2 is already locked */ 1313 ret = -EBUSY; 1314 goto out; 1315 } 1316 1317 /* rdd2 already configured on a radar channel */ 1318 running = dev->rdd2_phy && 1319 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1320 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1321 1322 if (!chandef || running || 1323 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1324 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1325 if (ret) 1326 goto out; 1327 1328 if (!running) 1329 goto update_phy; 1330 } 1331 1332 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1333 if (ret) 1334 goto out; 1335 1336 update_phy: 1337 dev->rdd2_phy = chandef ? phy : NULL; 1338 if (chandef) 1339 dev->rdd2_chandef = *chandef; 1340 out: 1341 mutex_unlock(&dev->mt76.mutex); 1342 1343 return ret; 1344 } 1345 1346 const struct ieee80211_ops mt7996_ops = { 1347 .tx = mt7996_tx, 1348 .start = mt7996_start, 1349 .stop = mt7996_stop, 1350 .add_interface = mt7996_add_interface, 1351 .remove_interface = mt7996_remove_interface, 1352 .config = mt7996_config, 1353 .conf_tx = mt7996_conf_tx, 1354 .configure_filter = mt7996_configure_filter, 1355 .bss_info_changed = mt7996_bss_info_changed, 1356 .sta_add = mt7996_sta_add, 1357 .sta_remove = mt7996_sta_remove, 1358 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1359 .sta_rc_update = mt7996_sta_rc_update, 1360 .set_key = mt7996_set_key, 1361 .ampdu_action = mt7996_ampdu_action, 1362 .set_rts_threshold = mt7996_set_rts_threshold, 1363 .wake_tx_queue = mt76_wake_tx_queue, 1364 .sw_scan_start = mt76_sw_scan, 1365 .sw_scan_complete = mt76_sw_scan_complete, 1366 .release_buffered_frames = mt76_release_buffered_frames, 1367 .get_txpower = mt76_get_txpower, 1368 .channel_switch_beacon = mt7996_channel_switch_beacon, 1369 .get_stats = mt7996_get_stats, 1370 .get_et_sset_count = mt7996_get_et_sset_count, 1371 .get_et_stats = mt7996_get_et_stats, 1372 .get_et_strings = mt7996_get_et_strings, 1373 .get_tsf = mt7996_get_tsf, 1374 .set_tsf = mt7996_set_tsf, 1375 .offset_tsf = mt7996_offset_tsf, 1376 .get_survey = mt76_get_survey, 1377 .get_antenna = mt76_get_antenna, 1378 .set_antenna = mt7996_set_antenna, 1379 .set_bitrate_mask = mt7996_set_bitrate_mask, 1380 .set_coverage_class = mt7996_set_coverage_class, 1381 .sta_statistics = mt7996_sta_statistics, 1382 .sta_set_4addr = mt7996_sta_set_4addr, 1383 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1384 .add_twt_setup = mt7996_mac_add_twt_setup, 1385 .twt_teardown_request = mt7996_twt_teardown_request, 1386 #ifdef CONFIG_MAC80211_DEBUGFS 1387 .sta_add_debugfs = mt7996_sta_add_debugfs, 1388 #endif 1389 .set_radar_background = mt7996_set_radar_background, 1390 }; 1391