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_radio_en(phy, true); 47 if (ret) 48 goto out; 49 50 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 51 if (ret) 52 goto out; 53 54 ret = mt7996_mcu_set_thermal_throttling(phy, MT7996_THERMAL_THROTTLE_MAX); 55 if (ret) 56 goto out; 57 58 ret = mt7996_mcu_set_thermal_protect(phy, true); 59 if (ret) 60 goto out; 61 62 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 63 64 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 65 MT7996_WATCHDOG_TIME); 66 67 if (!running) 68 mt7996_mac_reset_counters(phy); 69 70 out: 71 return ret; 72 } 73 74 static int mt7996_start(struct ieee80211_hw *hw) 75 { 76 struct mt7996_dev *dev = mt7996_hw_dev(hw); 77 int ret; 78 79 flush_work(&dev->init_work); 80 81 mutex_lock(&dev->mt76.mutex); 82 ret = mt7996_run(hw); 83 mutex_unlock(&dev->mt76.mutex); 84 85 return ret; 86 } 87 88 static void mt7996_stop(struct ieee80211_hw *hw) 89 { 90 struct mt7996_dev *dev = mt7996_hw_dev(hw); 91 struct mt7996_phy *phy = mt7996_hw_phy(hw); 92 93 cancel_delayed_work_sync(&phy->mt76->mac_work); 94 95 mutex_lock(&dev->mt76.mutex); 96 97 mt7996_mcu_set_radio_en(phy, false); 98 99 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 100 101 mutex_unlock(&dev->mt76.mutex); 102 } 103 104 static inline int get_free_idx(u32 mask, u8 start, u8 end) 105 { 106 return ffs(~mask & GENMASK(end, start)); 107 } 108 109 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 110 { 111 int i; 112 113 switch (type) { 114 case NL80211_IFTYPE_MESH_POINT: 115 case NL80211_IFTYPE_ADHOC: 116 case NL80211_IFTYPE_STATION: 117 /* prefer hw bssid slot 1-3 */ 118 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 119 if (i) 120 return i - 1; 121 122 if (type != NL80211_IFTYPE_STATION) 123 break; 124 125 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 126 if (i) 127 return i - 1; 128 129 if (~mask & BIT(HW_BSSID_0)) 130 return HW_BSSID_0; 131 132 break; 133 case NL80211_IFTYPE_MONITOR: 134 case NL80211_IFTYPE_AP: 135 /* ap uses hw bssid 0 and ext bssid */ 136 if (~mask & BIT(HW_BSSID_0)) 137 return HW_BSSID_0; 138 139 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 140 if (i) 141 return i - 1; 142 143 break; 144 default: 145 WARN_ON(1); 146 break; 147 } 148 149 return -1; 150 } 151 152 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) 153 { 154 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 155 int i; 156 157 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 158 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 159 mvif->bitrate_mask.control[i].he_gi = 0xff; 160 mvif->bitrate_mask.control[i].he_ltf = 0xff; 161 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 162 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 163 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 164 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 165 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 166 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 167 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 168 } 169 } 170 171 static int mt7996_add_interface(struct ieee80211_hw *hw, 172 struct ieee80211_vif *vif) 173 { 174 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 175 struct mt7996_dev *dev = mt7996_hw_dev(hw); 176 struct mt7996_phy *phy = mt7996_hw_phy(hw); 177 struct mt76_txq *mtxq; 178 u8 band_idx = phy->mt76->band_idx; 179 int idx, ret = 0; 180 181 mutex_lock(&dev->mt76.mutex); 182 183 if (vif->type == NL80211_IFTYPE_MONITOR && 184 is_zero_ether_addr(vif->addr)) 185 phy->monitor_vif = vif; 186 187 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 188 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) { 189 ret = -ENOSPC; 190 goto out; 191 } 192 193 idx = get_omac_idx(vif->type, phy->omac_mask); 194 if (idx < 0) { 195 ret = -ENOSPC; 196 goto out; 197 } 198 mvif->mt76.omac_idx = idx; 199 mvif->phy = phy; 200 mvif->mt76.band_idx = band_idx; 201 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; 202 203 ret = mt7996_mcu_add_dev_info(phy, vif, true); 204 if (ret) 205 goto out; 206 207 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 208 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 209 210 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; 211 212 INIT_LIST_HEAD(&mvif->sta.rc_list); 213 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 214 mvif->sta.wcid.idx = idx; 215 mvif->sta.wcid.phy_idx = band_idx; 216 mvif->sta.wcid.hw_key_idx = -1; 217 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 218 mt76_wcid_init(&mvif->sta.wcid); 219 220 mt7996_mac_wtbl_update(dev, idx, 221 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 222 223 if (vif->txq) { 224 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 225 mtxq->wcid = idx; 226 } 227 228 if (vif->type != NL80211_IFTYPE_AP && 229 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 230 vif->offload_flags = 0; 231 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 232 233 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 234 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4; 235 else 236 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL; 237 238 mt7996_init_bitrate_mask(vif); 239 240 mt7996_mcu_add_bss_info(phy, vif, true); 241 mt7996_mcu_add_sta(dev, vif, NULL, true); 242 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 243 244 out: 245 mutex_unlock(&dev->mt76.mutex); 246 247 return ret; 248 } 249 250 static void mt7996_remove_interface(struct ieee80211_hw *hw, 251 struct ieee80211_vif *vif) 252 { 253 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 254 struct mt7996_sta *msta = &mvif->sta; 255 struct mt7996_dev *dev = mt7996_hw_dev(hw); 256 struct mt7996_phy *phy = mt7996_hw_phy(hw); 257 int idx = msta->wcid.idx; 258 259 mt7996_mcu_add_sta(dev, vif, NULL, false); 260 mt7996_mcu_add_bss_info(phy, vif, false); 261 262 if (vif == phy->monitor_vif) 263 phy->monitor_vif = NULL; 264 265 mt7996_mcu_add_dev_info(phy, vif, false); 266 267 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 268 269 mutex_lock(&dev->mt76.mutex); 270 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 271 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 272 mutex_unlock(&dev->mt76.mutex); 273 274 spin_lock_bh(&dev->mt76.sta_poll_lock); 275 if (!list_empty(&msta->wcid.poll_list)) 276 list_del_init(&msta->wcid.poll_list); 277 spin_unlock_bh(&dev->mt76.sta_poll_lock); 278 279 mt76_wcid_cleanup(&dev->mt76, &msta->wcid); 280 } 281 282 int mt7996_set_channel(struct mt7996_phy *phy) 283 { 284 struct mt7996_dev *dev = phy->dev; 285 int ret; 286 287 cancel_delayed_work_sync(&phy->mt76->mac_work); 288 289 mutex_lock(&dev->mt76.mutex); 290 set_bit(MT76_RESET, &phy->mt76->state); 291 292 mt76_set_channel(phy->mt76); 293 294 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 295 if (ret) 296 goto out; 297 298 ret = mt7996_dfs_init_radar_detector(phy); 299 mt7996_mac_cca_stats_reset(phy); 300 301 mt7996_mac_reset_counters(phy); 302 phy->noise = 0; 303 304 out: 305 clear_bit(MT76_RESET, &phy->mt76->state); 306 mutex_unlock(&dev->mt76.mutex); 307 308 mt76_txq_schedule_all(phy->mt76); 309 310 ieee80211_queue_delayed_work(phy->mt76->hw, 311 &phy->mt76->mac_work, 312 MT7996_WATCHDOG_TIME); 313 314 return ret; 315 } 316 317 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 318 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 319 struct ieee80211_key_conf *key) 320 { 321 struct mt7996_dev *dev = mt7996_hw_dev(hw); 322 struct mt7996_phy *phy = mt7996_hw_phy(hw); 323 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 324 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 325 &mvif->sta; 326 struct mt76_wcid *wcid = &msta->wcid; 327 u8 *wcid_keyidx = &wcid->hw_key_idx; 328 int idx = key->keyidx; 329 int err = 0; 330 331 /* The hardware does not support per-STA RX GTK, fallback 332 * to software mode for these. 333 */ 334 if ((vif->type == NL80211_IFTYPE_ADHOC || 335 vif->type == NL80211_IFTYPE_MESH_POINT) && 336 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 337 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 338 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 339 return -EOPNOTSUPP; 340 341 /* fall back to sw encryption for unsupported ciphers */ 342 switch (key->cipher) { 343 case WLAN_CIPHER_SUITE_AES_CMAC: 344 wcid_keyidx = &wcid->hw_key_idx2; 345 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 346 break; 347 case WLAN_CIPHER_SUITE_TKIP: 348 case WLAN_CIPHER_SUITE_CCMP: 349 case WLAN_CIPHER_SUITE_CCMP_256: 350 case WLAN_CIPHER_SUITE_GCMP: 351 case WLAN_CIPHER_SUITE_GCMP_256: 352 case WLAN_CIPHER_SUITE_SMS4: 353 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 354 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 355 break; 356 case WLAN_CIPHER_SUITE_WEP40: 357 case WLAN_CIPHER_SUITE_WEP104: 358 default: 359 return -EOPNOTSUPP; 360 } 361 362 mutex_lock(&dev->mt76.mutex); 363 364 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 365 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 366 mt7996_mcu_add_bss_info(phy, vif, true); 367 } 368 369 if (cmd == SET_KEY) { 370 *wcid_keyidx = idx; 371 } else { 372 if (idx == *wcid_keyidx) 373 *wcid_keyidx = -1; 374 goto out; 375 } 376 377 mt76_wcid_key_setup(&dev->mt76, wcid, key); 378 379 if (key->keyidx == 6 || key->keyidx == 7) 380 err = mt7996_mcu_bcn_prot_enable(dev, vif, key); 381 else 382 err = mt7996_mcu_add_key(&dev->mt76, vif, key, 383 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 384 &msta->wcid, cmd); 385 out: 386 mutex_unlock(&dev->mt76.mutex); 387 388 return err; 389 } 390 391 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 392 { 393 struct mt7996_dev *dev = mt7996_hw_dev(hw); 394 struct mt7996_phy *phy = mt7996_hw_phy(hw); 395 int ret; 396 397 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 398 ieee80211_stop_queues(hw); 399 ret = mt7996_set_channel(phy); 400 if (ret) 401 return ret; 402 ieee80211_wake_queues(hw); 403 } 404 405 if (changed & (IEEE80211_CONF_CHANGE_POWER | 406 IEEE80211_CONF_CHANGE_CHANNEL)) { 407 ret = mt7996_mcu_set_txpower_sku(phy); 408 if (ret) 409 return ret; 410 } 411 412 mutex_lock(&dev->mt76.mutex); 413 414 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 415 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 416 417 if (!enabled) 418 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 419 else 420 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 421 422 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 423 MT_DMA_DCR0_RXD_G5_EN, enabled); 424 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 425 } 426 427 mutex_unlock(&dev->mt76.mutex); 428 429 return 0; 430 } 431 432 static int 433 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 434 unsigned int link_id, u16 queue, 435 const struct ieee80211_tx_queue_params *params) 436 { 437 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 438 const u8 mq_to_aci[] = { 439 [IEEE80211_AC_VO] = 3, 440 [IEEE80211_AC_VI] = 2, 441 [IEEE80211_AC_BE] = 0, 442 [IEEE80211_AC_BK] = 1, 443 }; 444 445 /* firmware uses access class index */ 446 mvif->queue_params[mq_to_aci[queue]] = *params; 447 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 448 449 return 0; 450 } 451 452 static void mt7996_configure_filter(struct ieee80211_hw *hw, 453 unsigned int changed_flags, 454 unsigned int *total_flags, 455 u64 multicast) 456 { 457 struct mt7996_dev *dev = mt7996_hw_dev(hw); 458 struct mt7996_phy *phy = mt7996_hw_phy(hw); 459 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 460 MT_WF_RFCR1_DROP_BF_POLL | 461 MT_WF_RFCR1_DROP_BA | 462 MT_WF_RFCR1_DROP_CFEND | 463 MT_WF_RFCR1_DROP_CFACK; 464 u32 flags = 0; 465 466 #define MT76_FILTER(_flag, _hw) do { \ 467 flags |= *total_flags & FIF_##_flag; \ 468 phy->rxfilter &= ~(_hw); \ 469 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 470 } while (0) 471 472 mutex_lock(&dev->mt76.mutex); 473 474 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 475 MT_WF_RFCR_DROP_OTHER_BEACON | 476 MT_WF_RFCR_DROP_FRAME_REPORT | 477 MT_WF_RFCR_DROP_PROBEREQ | 478 MT_WF_RFCR_DROP_MCAST_FILTERED | 479 MT_WF_RFCR_DROP_MCAST | 480 MT_WF_RFCR_DROP_BCAST | 481 MT_WF_RFCR_DROP_DUPLICATE | 482 MT_WF_RFCR_DROP_A2_BSSID | 483 MT_WF_RFCR_DROP_UNWANTED_CTL | 484 MT_WF_RFCR_DROP_STBC_MULTI); 485 486 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 487 MT_WF_RFCR_DROP_A3_MAC | 488 MT_WF_RFCR_DROP_A3_BSSID); 489 490 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 491 492 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 493 MT_WF_RFCR_DROP_RTS | 494 MT_WF_RFCR_DROP_CTL_RSV | 495 MT_WF_RFCR_DROP_NDPA); 496 497 *total_flags = flags; 498 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 499 500 if (*total_flags & FIF_CONTROL) 501 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 502 else 503 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 504 505 mutex_unlock(&dev->mt76.mutex); 506 } 507 508 static void 509 mt7996_update_bss_color(struct ieee80211_hw *hw, 510 struct ieee80211_vif *vif, 511 struct cfg80211_he_bss_color *bss_color) 512 { 513 struct mt7996_dev *dev = mt7996_hw_dev(hw); 514 515 switch (vif->type) { 516 case NL80211_IFTYPE_AP: { 517 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 518 519 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 520 return; 521 fallthrough; 522 } 523 case NL80211_IFTYPE_STATION: 524 mt7996_mcu_update_bss_color(dev, vif, bss_color); 525 break; 526 default: 527 break; 528 } 529 } 530 531 static u8 532 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 533 bool beacon, bool mcast) 534 { 535 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 536 struct mt76_phy *mphy = hw->priv; 537 u16 rate; 538 u8 i, idx; 539 540 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 541 542 if (beacon) { 543 struct mt7996_phy *phy = mphy->priv; 544 545 /* odd index for driver, even index for firmware */ 546 idx = MT7996_BEACON_RATES_TBL + 2 * phy->mt76->band_idx; 547 if (phy->beacon_rate != rate) 548 mt7996_mcu_set_fixed_rate_table(phy, idx, rate, beacon); 549 550 return idx; 551 } 552 553 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 554 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 555 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 556 return MT7996_BASIC_RATES_TBL + 2 * i; 557 558 return mvif->basic_rates_idx; 559 } 560 561 static void 562 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 563 struct ieee80211_bss_conf *info) 564 { 565 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 566 struct mt7996_dev *dev = mt7996_hw_dev(hw); 567 u8 band = mvif->mt76.band_idx; 568 u32 *mu; 569 570 mu = (u32 *)info->mu_group.membership; 571 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]); 572 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]); 573 574 mu = (u32 *)info->mu_group.position; 575 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]); 576 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]); 577 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]); 578 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]); 579 } 580 581 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 582 struct ieee80211_vif *vif, 583 struct ieee80211_bss_conf *info, 584 u64 changed) 585 { 586 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 587 struct mt7996_phy *phy = mt7996_hw_phy(hw); 588 struct mt7996_dev *dev = mt7996_hw_dev(hw); 589 590 mutex_lock(&dev->mt76.mutex); 591 592 /* station mode uses BSSID to map the wlan entry to a peer, 593 * and then peer references bss_info_rfch to set bandwidth cap. 594 */ 595 if ((changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) || 596 (changed & BSS_CHANGED_ASSOC && vif->cfg.assoc) || 597 (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon)) { 598 mt7996_mcu_add_bss_info(phy, vif, true); 599 mt7996_mcu_add_sta(dev, vif, NULL, true); 600 } 601 602 if (changed & BSS_CHANGED_ERP_CTS_PROT) 603 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 604 605 if (changed & BSS_CHANGED_ERP_SLOT) { 606 int slottime = info->use_short_slot ? 9 : 20; 607 608 if (slottime != phy->slottime) { 609 phy->slottime = slottime; 610 mt7996_mcu_set_timing(phy, vif); 611 } 612 } 613 614 if (changed & BSS_CHANGED_MCAST_RATE) 615 mvif->mcast_rates_idx = 616 mt7996_get_rates_table(hw, vif, false, true); 617 618 if (changed & BSS_CHANGED_BASIC_RATES) 619 mvif->basic_rates_idx = 620 mt7996_get_rates_table(hw, vif, false, false); 621 622 /* ensure that enable txcmd_mode after bss_info */ 623 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 624 mt7996_mcu_set_tx(dev, vif); 625 626 if (changed & BSS_CHANGED_HE_OBSS_PD) 627 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 628 629 if (changed & BSS_CHANGED_HE_BSS_COLOR) 630 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 631 632 if (changed & (BSS_CHANGED_BEACON | 633 BSS_CHANGED_BEACON_ENABLED)) { 634 mvif->beacon_rates_idx = 635 mt7996_get_rates_table(hw, vif, true, false); 636 637 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 638 } 639 640 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 641 BSS_CHANGED_FILS_DISCOVERY)) 642 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 643 644 if (changed & BSS_CHANGED_MU_GROUPS) 645 mt7996_update_mu_group(hw, vif, info); 646 647 mutex_unlock(&dev->mt76.mutex); 648 } 649 650 static void 651 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 652 struct ieee80211_vif *vif, 653 struct cfg80211_chan_def *chandef) 654 { 655 struct mt7996_dev *dev = mt7996_hw_dev(hw); 656 657 mutex_lock(&dev->mt76.mutex); 658 mt7996_mcu_add_beacon(hw, vif, true); 659 mutex_unlock(&dev->mt76.mutex); 660 } 661 662 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 663 struct ieee80211_sta *sta) 664 { 665 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 666 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 667 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 668 u8 band_idx = mvif->phy->mt76->band_idx; 669 int ret, idx; 670 671 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 672 if (idx < 0) 673 return -ENOSPC; 674 675 INIT_LIST_HEAD(&msta->rc_list); 676 INIT_LIST_HEAD(&msta->wcid.poll_list); 677 msta->vif = mvif; 678 msta->wcid.sta = 1; 679 msta->wcid.idx = idx; 680 msta->wcid.phy_idx = band_idx; 681 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 682 683 ewma_avg_signal_init(&msta->avg_ack_signal); 684 685 mt7996_mac_wtbl_update(dev, idx, 686 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 687 688 ret = mt7996_mcu_add_sta(dev, vif, sta, true); 689 if (ret) 690 return ret; 691 692 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 693 } 694 695 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 696 struct ieee80211_sta *sta) 697 { 698 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 699 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 700 int i; 701 702 mt7996_mcu_add_sta(dev, vif, sta, false); 703 704 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 705 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 706 707 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 708 mt7996_mac_twt_teardown_flow(dev, msta, i); 709 710 spin_lock_bh(&mdev->sta_poll_lock); 711 if (!list_empty(&msta->wcid.poll_list)) 712 list_del_init(&msta->wcid.poll_list); 713 if (!list_empty(&msta->rc_list)) 714 list_del_init(&msta->rc_list); 715 spin_unlock_bh(&mdev->sta_poll_lock); 716 } 717 718 static void mt7996_tx(struct ieee80211_hw *hw, 719 struct ieee80211_tx_control *control, 720 struct sk_buff *skb) 721 { 722 struct mt7996_dev *dev = mt7996_hw_dev(hw); 723 struct mt76_phy *mphy = hw->priv; 724 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 725 struct ieee80211_vif *vif = info->control.vif; 726 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 727 728 if (control->sta) { 729 struct mt7996_sta *sta; 730 731 sta = (struct mt7996_sta *)control->sta->drv_priv; 732 wcid = &sta->wcid; 733 } 734 735 if (vif && !control->sta) { 736 struct mt7996_vif *mvif; 737 738 mvif = (struct mt7996_vif *)vif->drv_priv; 739 wcid = &mvif->sta.wcid; 740 } 741 742 mt76_tx(mphy, control->sta, wcid, skb); 743 } 744 745 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 746 { 747 struct mt7996_phy *phy = mt7996_hw_phy(hw); 748 int ret; 749 750 mutex_lock(&phy->dev->mt76.mutex); 751 ret = mt7996_mcu_set_rts_thresh(phy, val); 752 mutex_unlock(&phy->dev->mt76.mutex); 753 754 return ret; 755 } 756 757 static int 758 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 759 struct ieee80211_ampdu_params *params) 760 { 761 enum ieee80211_ampdu_mlme_action action = params->action; 762 struct mt7996_dev *dev = mt7996_hw_dev(hw); 763 struct ieee80211_sta *sta = params->sta; 764 struct ieee80211_txq *txq = sta->txq[params->tid]; 765 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 766 u16 tid = params->tid; 767 u16 ssn = params->ssn; 768 struct mt76_txq *mtxq; 769 int ret = 0; 770 771 if (!txq) 772 return -EINVAL; 773 774 mtxq = (struct mt76_txq *)txq->drv_priv; 775 776 mutex_lock(&dev->mt76.mutex); 777 switch (action) { 778 case IEEE80211_AMPDU_RX_START: 779 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 780 params->buf_size); 781 ret = mt7996_mcu_add_rx_ba(dev, params, true); 782 break; 783 case IEEE80211_AMPDU_RX_STOP: 784 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 785 ret = mt7996_mcu_add_rx_ba(dev, params, false); 786 break; 787 case IEEE80211_AMPDU_TX_OPERATIONAL: 788 mtxq->aggr = true; 789 mtxq->send_bar = false; 790 ret = mt7996_mcu_add_tx_ba(dev, params, true); 791 break; 792 case IEEE80211_AMPDU_TX_STOP_FLUSH: 793 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 794 mtxq->aggr = false; 795 clear_bit(tid, &msta->wcid.ampdu_state); 796 ret = mt7996_mcu_add_tx_ba(dev, params, false); 797 break; 798 case IEEE80211_AMPDU_TX_START: 799 set_bit(tid, &msta->wcid.ampdu_state); 800 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 801 break; 802 case IEEE80211_AMPDU_TX_STOP_CONT: 803 mtxq->aggr = false; 804 clear_bit(tid, &msta->wcid.ampdu_state); 805 ret = mt7996_mcu_add_tx_ba(dev, params, false); 806 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 807 break; 808 } 809 mutex_unlock(&dev->mt76.mutex); 810 811 return ret; 812 } 813 814 static int 815 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 816 struct ieee80211_sta *sta) 817 { 818 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 819 IEEE80211_STA_NONE); 820 } 821 822 static int 823 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 824 struct ieee80211_sta *sta) 825 { 826 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 827 IEEE80211_STA_NOTEXIST); 828 } 829 830 static int 831 mt7996_get_stats(struct ieee80211_hw *hw, 832 struct ieee80211_low_level_stats *stats) 833 { 834 struct mt7996_phy *phy = mt7996_hw_phy(hw); 835 struct mt7996_dev *dev = mt7996_hw_dev(hw); 836 struct mt76_mib_stats *mib = &phy->mib; 837 838 mutex_lock(&dev->mt76.mutex); 839 840 stats->dot11RTSSuccessCount = mib->rts_cnt; 841 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 842 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 843 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 844 845 mutex_unlock(&dev->mt76.mutex); 846 847 return 0; 848 } 849 850 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 851 { 852 struct mt7996_dev *dev = mt7996_hw_dev(hw); 853 struct mt7996_phy *phy = mt7996_hw_phy(hw); 854 union { 855 u64 t64; 856 u32 t32[2]; 857 } tsf; 858 u16 n; 859 860 lockdep_assert_held(&dev->mt76.mutex); 861 862 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 863 : mvif->mt76.omac_idx; 864 /* TSF software read */ 865 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 866 MT_LPON_TCR_SW_READ); 867 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 868 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 869 870 return tsf.t64; 871 } 872 873 static u64 874 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 875 { 876 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 877 struct mt7996_dev *dev = mt7996_hw_dev(hw); 878 u64 ret; 879 880 mutex_lock(&dev->mt76.mutex); 881 ret = __mt7996_get_tsf(hw, mvif); 882 mutex_unlock(&dev->mt76.mutex); 883 884 return ret; 885 } 886 887 static void 888 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 889 u64 timestamp) 890 { 891 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 892 struct mt7996_dev *dev = mt7996_hw_dev(hw); 893 struct mt7996_phy *phy = mt7996_hw_phy(hw); 894 union { 895 u64 t64; 896 u32 t32[2]; 897 } tsf = { .t64 = timestamp, }; 898 u16 n; 899 900 mutex_lock(&dev->mt76.mutex); 901 902 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 903 : mvif->mt76.omac_idx; 904 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 905 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 906 /* TSF software overwrite */ 907 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 908 MT_LPON_TCR_SW_WRITE); 909 910 mutex_unlock(&dev->mt76.mutex); 911 } 912 913 static void 914 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 915 s64 timestamp) 916 { 917 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 918 struct mt7996_dev *dev = mt7996_hw_dev(hw); 919 struct mt7996_phy *phy = mt7996_hw_phy(hw); 920 union { 921 u64 t64; 922 u32 t32[2]; 923 } tsf = { .t64 = timestamp, }; 924 u16 n; 925 926 mutex_lock(&dev->mt76.mutex); 927 928 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 929 : mvif->mt76.omac_idx; 930 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 931 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 932 /* TSF software adjust*/ 933 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 934 MT_LPON_TCR_SW_ADJUST); 935 936 mutex_unlock(&dev->mt76.mutex); 937 } 938 939 static void 940 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 941 { 942 struct mt7996_phy *phy = mt7996_hw_phy(hw); 943 struct mt7996_dev *dev = phy->dev; 944 945 mutex_lock(&dev->mt76.mutex); 946 phy->coverage_class = max_t(s16, coverage_class, 0); 947 mt7996_mac_set_coverage_class(phy); 948 mutex_unlock(&dev->mt76.mutex); 949 } 950 951 static int 952 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 953 { 954 struct mt7996_dev *dev = mt7996_hw_dev(hw); 955 struct mt7996_phy *phy = mt7996_hw_phy(hw); 956 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 957 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 958 959 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 960 return -EINVAL; 961 962 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 963 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 964 965 mutex_lock(&dev->mt76.mutex); 966 967 phy->mt76->antenna_mask = tx_ant; 968 969 /* restore to the origin chainmask which might have auxiliary path */ 970 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 971 phy->mt76->chainmask = ((dev->chainmask >> shift) & 972 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 973 else if (hweight8(tx_ant) == max_nss) 974 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 975 else 976 phy->mt76->chainmask = tx_ant << shift; 977 978 mt76_set_stream_caps(phy->mt76, true); 979 mt7996_set_stream_vht_txbf_caps(phy); 980 mt7996_set_stream_he_eht_caps(phy); 981 mt7996_mcu_set_txpower_sku(phy); 982 983 mutex_unlock(&dev->mt76.mutex); 984 985 return 0; 986 } 987 988 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 989 struct ieee80211_vif *vif, 990 struct ieee80211_sta *sta, 991 struct station_info *sinfo) 992 { 993 struct mt7996_phy *phy = mt7996_hw_phy(hw); 994 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 995 struct rate_info *txrate = &msta->wcid.rate; 996 997 if (txrate->legacy || txrate->flags) { 998 if (txrate->legacy) { 999 sinfo->txrate.legacy = txrate->legacy; 1000 } else { 1001 sinfo->txrate.mcs = txrate->mcs; 1002 sinfo->txrate.nss = txrate->nss; 1003 sinfo->txrate.bw = txrate->bw; 1004 sinfo->txrate.he_gi = txrate->he_gi; 1005 sinfo->txrate.he_dcm = txrate->he_dcm; 1006 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1007 sinfo->txrate.eht_gi = txrate->eht_gi; 1008 } 1009 sinfo->txrate.flags = txrate->flags; 1010 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1011 } 1012 sinfo->txrate.flags = txrate->flags; 1013 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1014 1015 sinfo->tx_failed = msta->wcid.stats.tx_failed; 1016 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1017 1018 sinfo->tx_retries = msta->wcid.stats.tx_retries; 1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 1020 1021 sinfo->ack_signal = (s8)msta->ack_signal; 1022 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1023 1024 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1026 1027 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) { 1028 sinfo->tx_bytes = msta->wcid.stats.tx_bytes; 1029 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); 1030 1031 sinfo->rx_bytes = msta->wcid.stats.rx_bytes; 1032 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); 1033 1034 sinfo->tx_packets = msta->wcid.stats.tx_packets; 1035 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); 1036 1037 sinfo->rx_packets = msta->wcid.stats.rx_packets; 1038 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); 1039 } 1040 } 1041 1042 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 1043 { 1044 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1045 struct mt7996_dev *dev = msta->vif->phy->dev; 1046 u32 *changed = data; 1047 1048 spin_lock_bh(&dev->mt76.sta_poll_lock); 1049 msta->changed |= *changed; 1050 if (list_empty(&msta->rc_list)) 1051 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1052 spin_unlock_bh(&dev->mt76.sta_poll_lock); 1053 } 1054 1055 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 1056 struct ieee80211_vif *vif, 1057 struct ieee80211_sta *sta, 1058 u32 changed) 1059 { 1060 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1061 struct mt7996_dev *dev = phy->dev; 1062 1063 mt7996_sta_rc_work(&changed, sta); 1064 ieee80211_queue_work(hw, &dev->rc_work); 1065 } 1066 1067 static int 1068 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1069 const struct cfg80211_bitrate_mask *mask) 1070 { 1071 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1072 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1073 struct mt7996_dev *dev = phy->dev; 1074 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1075 1076 mvif->bitrate_mask = *mask; 1077 1078 /* if multiple rates across different preambles are given we can 1079 * reconfigure this info with all peers using sta_rec command with 1080 * the below exception cases. 1081 * - single rate : if a rate is passed along with different preambles, 1082 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1083 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1084 * then multiple MCS setting (MCS 4,5,6) is not supported. 1085 */ 1086 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 1087 ieee80211_queue_work(hw, &dev->rc_work); 1088 1089 return 0; 1090 } 1091 1092 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 1093 struct ieee80211_vif *vif, 1094 struct ieee80211_sta *sta, 1095 bool enabled) 1096 { 1097 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1098 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1099 1100 if (enabled) 1101 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1102 else 1103 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1104 1105 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1106 } 1107 1108 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 1109 struct ieee80211_vif *vif, 1110 struct ieee80211_sta *sta, 1111 bool enabled) 1112 { 1113 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1114 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1115 1116 if (enabled) 1117 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1118 else 1119 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1120 1121 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1122 } 1123 1124 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1125 "tx_ampdu_cnt", 1126 "tx_stop_q_empty_cnt", 1127 "tx_mpdu_attempts", 1128 "tx_mpdu_success", 1129 "tx_rwp_fail_cnt", 1130 "tx_rwp_need_cnt", 1131 "tx_pkt_ebf_cnt", 1132 "tx_pkt_ibf_cnt", 1133 "tx_ampdu_len:0-1", 1134 "tx_ampdu_len:2-10", 1135 "tx_ampdu_len:11-19", 1136 "tx_ampdu_len:20-28", 1137 "tx_ampdu_len:29-37", 1138 "tx_ampdu_len:38-46", 1139 "tx_ampdu_len:47-55", 1140 "tx_ampdu_len:56-79", 1141 "tx_ampdu_len:80-103", 1142 "tx_ampdu_len:104-127", 1143 "tx_ampdu_len:128-151", 1144 "tx_ampdu_len:152-175", 1145 "tx_ampdu_len:176-199", 1146 "tx_ampdu_len:200-223", 1147 "tx_ampdu_len:224-247", 1148 "ba_miss_count", 1149 "tx_beamformer_ppdu_iBF", 1150 "tx_beamformer_ppdu_eBF", 1151 "tx_beamformer_rx_feedback_all", 1152 "tx_beamformer_rx_feedback_he", 1153 "tx_beamformer_rx_feedback_vht", 1154 "tx_beamformer_rx_feedback_ht", 1155 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1156 "tx_beamformer_rx_feedback_nc", 1157 "tx_beamformer_rx_feedback_nr", 1158 "tx_beamformee_ok_feedback_pkts", 1159 "tx_beamformee_feedback_trig", 1160 "tx_mu_beamforming", 1161 "tx_mu_mpdu", 1162 "tx_mu_successful_mpdu", 1163 "tx_su_successful_mpdu", 1164 "tx_msdu_pack_1", 1165 "tx_msdu_pack_2", 1166 "tx_msdu_pack_3", 1167 "tx_msdu_pack_4", 1168 "tx_msdu_pack_5", 1169 "tx_msdu_pack_6", 1170 "tx_msdu_pack_7", 1171 "tx_msdu_pack_8", 1172 1173 /* rx counters */ 1174 "rx_fifo_full_cnt", 1175 "rx_mpdu_cnt", 1176 "channel_idle_cnt", 1177 "rx_vector_mismatch_cnt", 1178 "rx_delimiter_fail_cnt", 1179 "rx_len_mismatch_cnt", 1180 "rx_ampdu_cnt", 1181 "rx_ampdu_bytes_cnt", 1182 "rx_ampdu_valid_subframe_cnt", 1183 "rx_ampdu_valid_subframe_b_cnt", 1184 "rx_pfdrop_cnt", 1185 "rx_vec_queue_overflow_drop_cnt", 1186 "rx_ba_cnt", 1187 1188 /* per vif counters */ 1189 "v_tx_mode_cck", 1190 "v_tx_mode_ofdm", 1191 "v_tx_mode_ht", 1192 "v_tx_mode_ht_gf", 1193 "v_tx_mode_vht", 1194 "v_tx_mode_he_su", 1195 "v_tx_mode_he_ext_su", 1196 "v_tx_mode_he_tb", 1197 "v_tx_mode_he_mu", 1198 "v_tx_mode_eht_su", 1199 "v_tx_mode_eht_trig", 1200 "v_tx_mode_eht_mu", 1201 "v_tx_bw_20", 1202 "v_tx_bw_40", 1203 "v_tx_bw_80", 1204 "v_tx_bw_160", 1205 "v_tx_bw_320", 1206 "v_tx_mcs_0", 1207 "v_tx_mcs_1", 1208 "v_tx_mcs_2", 1209 "v_tx_mcs_3", 1210 "v_tx_mcs_4", 1211 "v_tx_mcs_5", 1212 "v_tx_mcs_6", 1213 "v_tx_mcs_7", 1214 "v_tx_mcs_8", 1215 "v_tx_mcs_9", 1216 "v_tx_mcs_10", 1217 "v_tx_mcs_11", 1218 "v_tx_mcs_12", 1219 "v_tx_mcs_13", 1220 "v_tx_nss_1", 1221 "v_tx_nss_2", 1222 "v_tx_nss_3", 1223 "v_tx_nss_4", 1224 }; 1225 1226 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1227 1228 /* Ethtool related API */ 1229 static 1230 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1231 struct ieee80211_vif *vif, 1232 u32 sset, u8 *data) 1233 { 1234 if (sset == ETH_SS_STATS) 1235 memcpy(data, mt7996_gstrings_stats, 1236 sizeof(mt7996_gstrings_stats)); 1237 } 1238 1239 static 1240 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1241 struct ieee80211_vif *vif, int sset) 1242 { 1243 if (sset == ETH_SS_STATS) 1244 return MT7996_SSTATS_LEN; 1245 1246 return 0; 1247 } 1248 1249 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1250 { 1251 struct mt76_ethtool_worker_info *wi = wi_data; 1252 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1253 1254 if (msta->vif->mt76.idx != wi->idx) 1255 return; 1256 1257 mt76_ethtool_worker(wi, &msta->wcid.stats, true); 1258 } 1259 1260 static 1261 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1262 struct ieee80211_vif *vif, 1263 struct ethtool_stats *stats, u64 *data) 1264 { 1265 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1266 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1267 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1268 struct mt76_mib_stats *mib = &phy->mib; 1269 struct mt76_ethtool_worker_info wi = { 1270 .data = data, 1271 .idx = mvif->mt76.idx, 1272 }; 1273 /* See mt7996_ampdu_stat_read_phy, etc */ 1274 int i, ei = 0; 1275 1276 mutex_lock(&dev->mt76.mutex); 1277 1278 mt7996_mac_update_stats(phy); 1279 1280 data[ei++] = mib->tx_ampdu_cnt; 1281 data[ei++] = mib->tx_stop_q_empty_cnt; 1282 data[ei++] = mib->tx_mpdu_attempts_cnt; 1283 data[ei++] = mib->tx_mpdu_success_cnt; 1284 data[ei++] = mib->tx_rwp_fail_cnt; 1285 data[ei++] = mib->tx_rwp_need_cnt; 1286 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1287 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1288 1289 /* Tx ampdu stat */ 1290 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1291 data[ei++] = phy->mt76->aggr_stats[i]; 1292 data[ei++] = phy->mib.ba_miss_cnt; 1293 1294 /* Tx Beamformer monitor */ 1295 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1296 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1297 1298 /* Tx Beamformer Rx feedback monitor */ 1299 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1300 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1301 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1302 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1303 1304 data[ei++] = mib->tx_bf_rx_fb_bw; 1305 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1306 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1307 1308 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1309 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1310 data[ei++] = mib->tx_bf_fb_trig_cnt; 1311 1312 /* Tx SU & MU counters */ 1313 data[ei++] = mib->tx_mu_bf_cnt; 1314 data[ei++] = mib->tx_mu_mpdu_cnt; 1315 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1316 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1317 1318 /* Tx amsdu info (pack-count histogram) */ 1319 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1320 data[ei++] = mib->tx_amsdu[i]; 1321 1322 /* rx counters */ 1323 data[ei++] = mib->rx_fifo_full_cnt; 1324 data[ei++] = mib->rx_mpdu_cnt; 1325 data[ei++] = mib->channel_idle_cnt; 1326 data[ei++] = mib->rx_vector_mismatch_cnt; 1327 data[ei++] = mib->rx_delimiter_fail_cnt; 1328 data[ei++] = mib->rx_len_mismatch_cnt; 1329 data[ei++] = mib->rx_ampdu_cnt; 1330 data[ei++] = mib->rx_ampdu_bytes_cnt; 1331 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1332 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1333 data[ei++] = mib->rx_pfdrop_cnt; 1334 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1335 data[ei++] = mib->rx_ba_cnt; 1336 1337 /* Add values for all stations owned by this vif */ 1338 wi.initial_stat_idx = ei; 1339 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1340 1341 mutex_unlock(&dev->mt76.mutex); 1342 1343 if (wi.sta_count == 0) 1344 return; 1345 1346 ei += wi.worker_stat_count; 1347 if (ei != MT7996_SSTATS_LEN) 1348 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1349 ei, (int)MT7996_SSTATS_LEN); 1350 } 1351 1352 static void 1353 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1354 struct ieee80211_sta *sta, 1355 u8 flowid) 1356 { 1357 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1358 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1359 1360 mutex_lock(&dev->mt76.mutex); 1361 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1362 mutex_unlock(&dev->mt76.mutex); 1363 } 1364 1365 static int 1366 mt7996_set_radar_background(struct ieee80211_hw *hw, 1367 struct cfg80211_chan_def *chandef) 1368 { 1369 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1370 struct mt7996_dev *dev = phy->dev; 1371 int ret = -EINVAL; 1372 bool running; 1373 1374 mutex_lock(&dev->mt76.mutex); 1375 1376 if (dev->mt76.region == NL80211_DFS_UNSET) 1377 goto out; 1378 1379 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1380 /* rdd2 is already locked */ 1381 ret = -EBUSY; 1382 goto out; 1383 } 1384 1385 /* rdd2 already configured on a radar channel */ 1386 running = dev->rdd2_phy && 1387 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1388 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1389 1390 if (!chandef || running || 1391 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1392 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1393 if (ret) 1394 goto out; 1395 1396 if (!running) 1397 goto update_phy; 1398 } 1399 1400 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1401 if (ret) 1402 goto out; 1403 1404 update_phy: 1405 dev->rdd2_phy = chandef ? phy : NULL; 1406 if (chandef) 1407 dev->rdd2_chandef = *chandef; 1408 out: 1409 mutex_unlock(&dev->mt76.mutex); 1410 1411 return ret; 1412 } 1413 1414 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1415 static int 1416 mt7996_net_fill_forward_path(struct ieee80211_hw *hw, 1417 struct ieee80211_vif *vif, 1418 struct ieee80211_sta *sta, 1419 struct net_device_path_ctx *ctx, 1420 struct net_device_path *path) 1421 { 1422 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1423 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1424 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1425 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1426 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 1427 1428 if (phy != &dev->phy && phy->mt76->band_idx == MT_BAND2) 1429 wed = &dev->mt76.mmio.wed_hif2; 1430 1431 if (!mtk_wed_device_active(wed)) 1432 return -ENODEV; 1433 1434 if (msta->wcid.idx > MT7996_WTBL_STA) 1435 return -EIO; 1436 1437 path->type = DEV_PATH_MTK_WDMA; 1438 path->dev = ctx->dev; 1439 path->mtk_wdma.wdma_idx = wed->wdma_idx; 1440 path->mtk_wdma.bss = mvif->mt76.idx; 1441 path->mtk_wdma.queue = 0; 1442 path->mtk_wdma.wcid = msta->wcid.idx; 1443 1444 path->mtk_wdma.amsdu = mtk_wed_is_amsdu_supported(wed); 1445 ctx->dev = NULL; 1446 1447 return 0; 1448 } 1449 1450 #endif 1451 1452 const struct ieee80211_ops mt7996_ops = { 1453 .tx = mt7996_tx, 1454 .start = mt7996_start, 1455 .stop = mt7996_stop, 1456 .add_interface = mt7996_add_interface, 1457 .remove_interface = mt7996_remove_interface, 1458 .config = mt7996_config, 1459 .conf_tx = mt7996_conf_tx, 1460 .configure_filter = mt7996_configure_filter, 1461 .bss_info_changed = mt7996_bss_info_changed, 1462 .sta_add = mt7996_sta_add, 1463 .sta_remove = mt7996_sta_remove, 1464 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1465 .sta_rc_update = mt7996_sta_rc_update, 1466 .set_key = mt7996_set_key, 1467 .ampdu_action = mt7996_ampdu_action, 1468 .set_rts_threshold = mt7996_set_rts_threshold, 1469 .wake_tx_queue = mt76_wake_tx_queue, 1470 .sw_scan_start = mt76_sw_scan, 1471 .sw_scan_complete = mt76_sw_scan_complete, 1472 .release_buffered_frames = mt76_release_buffered_frames, 1473 .get_txpower = mt76_get_txpower, 1474 .channel_switch_beacon = mt7996_channel_switch_beacon, 1475 .get_stats = mt7996_get_stats, 1476 .get_et_sset_count = mt7996_get_et_sset_count, 1477 .get_et_stats = mt7996_get_et_stats, 1478 .get_et_strings = mt7996_get_et_strings, 1479 .get_tsf = mt7996_get_tsf, 1480 .set_tsf = mt7996_set_tsf, 1481 .offset_tsf = mt7996_offset_tsf, 1482 .get_survey = mt76_get_survey, 1483 .get_antenna = mt76_get_antenna, 1484 .set_antenna = mt7996_set_antenna, 1485 .set_bitrate_mask = mt7996_set_bitrate_mask, 1486 .set_coverage_class = mt7996_set_coverage_class, 1487 .sta_statistics = mt7996_sta_statistics, 1488 .sta_set_4addr = mt7996_sta_set_4addr, 1489 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1490 .add_twt_setup = mt7996_mac_add_twt_setup, 1491 .twt_teardown_request = mt7996_twt_teardown_request, 1492 #ifdef CONFIG_MAC80211_DEBUGFS 1493 .sta_add_debugfs = mt7996_sta_add_debugfs, 1494 #endif 1495 .set_radar_background = mt7996_set_radar_background, 1496 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1497 .net_fill_forward_path = mt7996_net_fill_forward_path, 1498 .net_setup_tc = mt76_net_setup_tc, 1499 #endif 1500 }; 1501