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 if (is_mt7992(&dev->mt76)) { 40 u8 queue = mt76_connac_lmac_mapping(IEEE80211_AC_VI); 41 42 ret = mt7996_mcu_cp_support(dev, queue); 43 if (ret) 44 goto out; 45 } 46 } 47 48 mt7996_mac_enable_nf(dev, phy->mt76->band_idx); 49 50 ret = mt7996_mcu_set_rts_thresh(phy, 0x92b); 51 if (ret) 52 goto out; 53 54 ret = mt7996_mcu_set_radio_en(phy, true); 55 if (ret) 56 goto out; 57 58 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 59 if (ret) 60 goto out; 61 62 ret = mt7996_mcu_set_thermal_throttling(phy, MT7996_THERMAL_THROTTLE_MAX); 63 if (ret) 64 goto out; 65 66 ret = mt7996_mcu_set_thermal_protect(phy, true); 67 if (ret) 68 goto out; 69 70 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 71 72 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 73 MT7996_WATCHDOG_TIME); 74 75 if (!running) 76 mt7996_mac_reset_counters(phy); 77 78 out: 79 return ret; 80 } 81 82 static int mt7996_start(struct ieee80211_hw *hw) 83 { 84 struct mt7996_dev *dev = mt7996_hw_dev(hw); 85 int ret; 86 87 flush_work(&dev->init_work); 88 89 mutex_lock(&dev->mt76.mutex); 90 ret = mt7996_run(hw); 91 mutex_unlock(&dev->mt76.mutex); 92 93 return ret; 94 } 95 96 static void mt7996_stop(struct ieee80211_hw *hw, bool suspend) 97 { 98 struct mt7996_dev *dev = mt7996_hw_dev(hw); 99 struct mt7996_phy *phy = mt7996_hw_phy(hw); 100 101 cancel_delayed_work_sync(&phy->mt76->mac_work); 102 103 mutex_lock(&dev->mt76.mutex); 104 105 mt7996_mcu_set_radio_en(phy, false); 106 107 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 108 109 mutex_unlock(&dev->mt76.mutex); 110 } 111 112 static inline int get_free_idx(u32 mask, u8 start, u8 end) 113 { 114 return ffs(~mask & GENMASK(end, start)); 115 } 116 117 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 118 { 119 int i; 120 121 switch (type) { 122 case NL80211_IFTYPE_MESH_POINT: 123 case NL80211_IFTYPE_ADHOC: 124 case NL80211_IFTYPE_STATION: 125 /* prefer hw bssid slot 1-3 */ 126 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 127 if (i) 128 return i - 1; 129 130 if (type != NL80211_IFTYPE_STATION) 131 break; 132 133 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 134 if (i) 135 return i - 1; 136 137 if (~mask & BIT(HW_BSSID_0)) 138 return HW_BSSID_0; 139 140 break; 141 case NL80211_IFTYPE_MONITOR: 142 case NL80211_IFTYPE_AP: 143 /* ap uses hw bssid 0 and ext bssid */ 144 if (~mask & BIT(HW_BSSID_0)) 145 return HW_BSSID_0; 146 147 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 148 if (i) 149 return i - 1; 150 151 break; 152 default: 153 WARN_ON(1); 154 break; 155 } 156 157 return -1; 158 } 159 160 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) 161 { 162 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 163 int i; 164 165 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 166 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 167 mvif->bitrate_mask.control[i].he_gi = 0xff; 168 mvif->bitrate_mask.control[i].he_ltf = 0xff; 169 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 170 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 171 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 172 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 173 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 174 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 175 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 176 } 177 } 178 179 static int mt7996_add_interface(struct ieee80211_hw *hw, 180 struct ieee80211_vif *vif) 181 { 182 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 183 struct mt7996_dev *dev = mt7996_hw_dev(hw); 184 struct mt7996_phy *phy = mt7996_hw_phy(hw); 185 struct mt76_txq *mtxq; 186 u8 band_idx = phy->mt76->band_idx; 187 int idx, ret = 0; 188 189 mutex_lock(&dev->mt76.mutex); 190 191 if (vif->type == NL80211_IFTYPE_MONITOR && 192 is_zero_ether_addr(vif->addr)) 193 phy->monitor_vif = vif; 194 195 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 196 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) { 197 ret = -ENOSPC; 198 goto out; 199 } 200 201 idx = get_omac_idx(vif->type, phy->omac_mask); 202 if (idx < 0) { 203 ret = -ENOSPC; 204 goto out; 205 } 206 mvif->mt76.omac_idx = idx; 207 mvif->phy = phy; 208 mvif->mt76.band_idx = band_idx; 209 mvif->mt76.wmm_idx = vif->type == NL80211_IFTYPE_AP ? 0 : 3; 210 211 ret = mt7996_mcu_add_dev_info(phy, vif, true); 212 if (ret) 213 goto out; 214 215 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 216 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 217 218 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; 219 220 INIT_LIST_HEAD(&mvif->sta.rc_list); 221 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 222 mvif->sta.wcid.idx = idx; 223 mvif->sta.wcid.phy_idx = band_idx; 224 mvif->sta.wcid.hw_key_idx = -1; 225 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 226 mt76_wcid_init(&mvif->sta.wcid); 227 228 mt7996_mac_wtbl_update(dev, idx, 229 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 230 231 if (vif->txq) { 232 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 233 mtxq->wcid = idx; 234 } 235 236 if (vif->type != NL80211_IFTYPE_AP && 237 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 238 vif->offload_flags = 0; 239 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 240 241 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 242 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4; 243 else 244 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL; 245 246 mt7996_init_bitrate_mask(vif); 247 248 mt7996_mcu_add_bss_info(phy, vif, true); 249 /* defer the first STA_REC of BMC entry to BSS_CHANGED_BSSID for STA 250 * interface, since firmware only records BSSID when the entry is new 251 */ 252 if (vif->type != NL80211_IFTYPE_STATION) 253 mt7996_mcu_add_sta(dev, vif, NULL, true, true); 254 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 255 256 out: 257 mutex_unlock(&dev->mt76.mutex); 258 259 return ret; 260 } 261 262 static void mt7996_remove_interface(struct ieee80211_hw *hw, 263 struct ieee80211_vif *vif) 264 { 265 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 266 struct mt7996_sta *msta = &mvif->sta; 267 struct mt7996_dev *dev = mt7996_hw_dev(hw); 268 struct mt7996_phy *phy = mt7996_hw_phy(hw); 269 int idx = msta->wcid.idx; 270 271 mt7996_mcu_add_sta(dev, vif, NULL, false, false); 272 mt7996_mcu_add_bss_info(phy, vif, false); 273 274 if (vif == phy->monitor_vif) 275 phy->monitor_vif = NULL; 276 277 mt7996_mcu_add_dev_info(phy, vif, false); 278 279 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 280 281 mutex_lock(&dev->mt76.mutex); 282 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 283 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 284 mutex_unlock(&dev->mt76.mutex); 285 286 spin_lock_bh(&dev->mt76.sta_poll_lock); 287 if (!list_empty(&msta->wcid.poll_list)) 288 list_del_init(&msta->wcid.poll_list); 289 spin_unlock_bh(&dev->mt76.sta_poll_lock); 290 291 mt76_wcid_cleanup(&dev->mt76, &msta->wcid); 292 } 293 294 int mt7996_set_channel(struct mt76_phy *mphy) 295 { 296 struct mt7996_phy *phy = mphy->priv; 297 int ret; 298 299 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 300 if (ret) 301 goto out; 302 303 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 304 if (ret) 305 goto out; 306 307 ret = mt7996_dfs_init_radar_detector(phy); 308 mt7996_mac_cca_stats_reset(phy); 309 310 mt7996_mac_reset_counters(phy); 311 phy->noise = 0; 312 313 out: 314 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 315 MT7996_WATCHDOG_TIME); 316 317 return ret; 318 } 319 320 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 321 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 322 struct ieee80211_key_conf *key) 323 { 324 struct mt7996_dev *dev = mt7996_hw_dev(hw); 325 struct mt7996_phy *phy = mt7996_hw_phy(hw); 326 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 327 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 328 &mvif->sta; 329 struct mt76_wcid *wcid = &msta->wcid; 330 u8 *wcid_keyidx = &wcid->hw_key_idx; 331 int idx = key->keyidx; 332 int err = 0; 333 334 /* The hardware does not support per-STA RX GTK, fallback 335 * to software mode for these. 336 */ 337 if ((vif->type == NL80211_IFTYPE_ADHOC || 338 vif->type == NL80211_IFTYPE_MESH_POINT) && 339 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 340 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 341 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 342 return -EOPNOTSUPP; 343 344 /* fall back to sw encryption for unsupported ciphers */ 345 switch (key->cipher) { 346 case WLAN_CIPHER_SUITE_TKIP: 347 case WLAN_CIPHER_SUITE_CCMP: 348 case WLAN_CIPHER_SUITE_CCMP_256: 349 case WLAN_CIPHER_SUITE_GCMP: 350 case WLAN_CIPHER_SUITE_GCMP_256: 351 case WLAN_CIPHER_SUITE_SMS4: 352 break; 353 case WLAN_CIPHER_SUITE_AES_CMAC: 354 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 355 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 356 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 357 if (key->keyidx == 6 || key->keyidx == 7) { 358 wcid_keyidx = &wcid->hw_key_idx2; 359 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 360 break; 361 } 362 fallthrough; 363 case WLAN_CIPHER_SUITE_WEP40: 364 case WLAN_CIPHER_SUITE_WEP104: 365 default: 366 return -EOPNOTSUPP; 367 } 368 369 mutex_lock(&dev->mt76.mutex); 370 371 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 372 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 373 mt7996_mcu_add_bss_info(phy, vif, true); 374 } 375 376 if (cmd == SET_KEY) { 377 *wcid_keyidx = idx; 378 } else { 379 if (idx == *wcid_keyidx) 380 *wcid_keyidx = -1; 381 goto out; 382 } 383 384 mt76_wcid_key_setup(&dev->mt76, wcid, key); 385 386 if (key->keyidx == 6 || key->keyidx == 7) 387 err = mt7996_mcu_bcn_prot_enable(dev, vif, key); 388 else 389 err = mt7996_mcu_add_key(&dev->mt76, vif, key, 390 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 391 &msta->wcid, cmd); 392 out: 393 mutex_unlock(&dev->mt76.mutex); 394 395 return err; 396 } 397 398 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 399 { 400 struct mt7996_dev *dev = mt7996_hw_dev(hw); 401 struct mt7996_phy *phy = mt7996_hw_phy(hw); 402 int ret; 403 404 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 405 ret = mt76_update_channel(phy->mt76); 406 if (ret) 407 return ret; 408 } 409 410 if (changed & (IEEE80211_CONF_CHANGE_POWER | 411 IEEE80211_CONF_CHANGE_CHANNEL)) { 412 ret = mt7996_mcu_set_txpower_sku(phy); 413 if (ret) 414 return ret; 415 } 416 417 mutex_lock(&dev->mt76.mutex); 418 419 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 420 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 421 422 if (!enabled) 423 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 424 else 425 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 426 427 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 428 MT_DMA_DCR0_RXD_G5_EN, enabled); 429 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 430 } 431 432 mutex_unlock(&dev->mt76.mutex); 433 434 return 0; 435 } 436 437 static int 438 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 439 unsigned int link_id, u16 queue, 440 const struct ieee80211_tx_queue_params *params) 441 { 442 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 443 static const u8 mq_to_aci[] = { 444 [IEEE80211_AC_VO] = 3, 445 [IEEE80211_AC_VI] = 2, 446 [IEEE80211_AC_BE] = 0, 447 [IEEE80211_AC_BK] = 1, 448 }; 449 450 /* firmware uses access class index */ 451 mvif->queue_params[mq_to_aci[queue]] = *params; 452 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 453 454 return 0; 455 } 456 457 static void mt7996_configure_filter(struct ieee80211_hw *hw, 458 unsigned int changed_flags, 459 unsigned int *total_flags, 460 u64 multicast) 461 { 462 struct mt7996_dev *dev = mt7996_hw_dev(hw); 463 struct mt7996_phy *phy = mt7996_hw_phy(hw); 464 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 465 MT_WF_RFCR1_DROP_BF_POLL | 466 MT_WF_RFCR1_DROP_BA | 467 MT_WF_RFCR1_DROP_CFEND | 468 MT_WF_RFCR1_DROP_CFACK; 469 u32 flags = 0; 470 471 #define MT76_FILTER(_flag, _hw) do { \ 472 flags |= *total_flags & FIF_##_flag; \ 473 phy->rxfilter &= ~(_hw); \ 474 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 475 } while (0) 476 477 mutex_lock(&dev->mt76.mutex); 478 479 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 480 MT_WF_RFCR_DROP_OTHER_BEACON | 481 MT_WF_RFCR_DROP_FRAME_REPORT | 482 MT_WF_RFCR_DROP_PROBEREQ | 483 MT_WF_RFCR_DROP_MCAST_FILTERED | 484 MT_WF_RFCR_DROP_MCAST | 485 MT_WF_RFCR_DROP_BCAST | 486 MT_WF_RFCR_DROP_DUPLICATE | 487 MT_WF_RFCR_DROP_A2_BSSID | 488 MT_WF_RFCR_DROP_UNWANTED_CTL | 489 MT_WF_RFCR_DROP_STBC_MULTI); 490 491 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 492 MT_WF_RFCR_DROP_A3_MAC | 493 MT_WF_RFCR_DROP_A3_BSSID); 494 495 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 496 497 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 498 MT_WF_RFCR_DROP_RTS | 499 MT_WF_RFCR_DROP_CTL_RSV | 500 MT_WF_RFCR_DROP_NDPA); 501 502 *total_flags = flags; 503 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 504 505 if (*total_flags & FIF_CONTROL) 506 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 507 else 508 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 509 510 mutex_unlock(&dev->mt76.mutex); 511 } 512 513 static void 514 mt7996_update_bss_color(struct ieee80211_hw *hw, 515 struct ieee80211_vif *vif, 516 struct cfg80211_he_bss_color *bss_color) 517 { 518 struct mt7996_dev *dev = mt7996_hw_dev(hw); 519 520 switch (vif->type) { 521 case NL80211_IFTYPE_AP: { 522 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 523 524 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 525 return; 526 fallthrough; 527 } 528 case NL80211_IFTYPE_STATION: 529 mt7996_mcu_update_bss_color(dev, vif, bss_color); 530 break; 531 default: 532 break; 533 } 534 } 535 536 static u8 537 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 538 bool beacon, bool mcast) 539 { 540 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 541 struct mt76_phy *mphy = hw->priv; 542 u16 rate; 543 u8 i, idx; 544 545 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 546 547 if (beacon) { 548 struct mt7996_phy *phy = mphy->priv; 549 550 /* odd index for driver, even index for firmware */ 551 idx = MT7996_BEACON_RATES_TBL + 2 * phy->mt76->band_idx; 552 if (phy->beacon_rate != rate) 553 mt7996_mcu_set_fixed_rate_table(phy, idx, rate, beacon); 554 555 return idx; 556 } 557 558 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 559 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 560 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 561 return MT7996_BASIC_RATES_TBL + 2 * i; 562 563 return mvif->basic_rates_idx; 564 } 565 566 static void 567 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 568 struct ieee80211_bss_conf *info) 569 { 570 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 571 struct mt7996_dev *dev = mt7996_hw_dev(hw); 572 u8 band = mvif->mt76.band_idx; 573 u32 *mu; 574 575 mu = (u32 *)info->mu_group.membership; 576 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]); 577 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]); 578 579 mu = (u32 *)info->mu_group.position; 580 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]); 581 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]); 582 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]); 583 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]); 584 } 585 586 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 587 struct ieee80211_vif *vif, 588 struct ieee80211_bss_conf *info, 589 u64 changed) 590 { 591 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 592 struct mt7996_phy *phy = mt7996_hw_phy(hw); 593 struct mt7996_dev *dev = mt7996_hw_dev(hw); 594 595 mutex_lock(&dev->mt76.mutex); 596 597 /* station mode uses BSSID to map the wlan entry to a peer, 598 * and then peer references bss_info_rfch to set bandwidth cap. 599 */ 600 if ((changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) || 601 (changed & BSS_CHANGED_ASSOC && vif->cfg.assoc) || 602 (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon)) { 603 mt7996_mcu_add_bss_info(phy, vif, true); 604 mt7996_mcu_add_sta(dev, vif, NULL, true, 605 !!(changed & BSS_CHANGED_BSSID)); 606 } 607 608 if (changed & BSS_CHANGED_ERP_CTS_PROT) 609 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 610 611 if (changed & BSS_CHANGED_ERP_SLOT) { 612 int slottime = info->use_short_slot ? 9 : 20; 613 614 if (slottime != phy->slottime) { 615 phy->slottime = slottime; 616 mt7996_mcu_set_timing(phy, vif); 617 } 618 } 619 620 if (changed & BSS_CHANGED_MCAST_RATE) 621 mvif->mcast_rates_idx = 622 mt7996_get_rates_table(hw, vif, false, true); 623 624 if (changed & BSS_CHANGED_BASIC_RATES) 625 mvif->basic_rates_idx = 626 mt7996_get_rates_table(hw, vif, false, false); 627 628 /* ensure that enable txcmd_mode after bss_info */ 629 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 630 mt7996_mcu_set_tx(dev, vif); 631 632 if (changed & BSS_CHANGED_HE_OBSS_PD) 633 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 634 635 if (changed & BSS_CHANGED_HE_BSS_COLOR) 636 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 637 638 if (changed & (BSS_CHANGED_BEACON | 639 BSS_CHANGED_BEACON_ENABLED)) { 640 mvif->beacon_rates_idx = 641 mt7996_get_rates_table(hw, vif, true, false); 642 643 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 644 } 645 646 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 647 BSS_CHANGED_FILS_DISCOVERY)) 648 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 649 650 if (changed & BSS_CHANGED_MU_GROUPS) 651 mt7996_update_mu_group(hw, vif, info); 652 653 mutex_unlock(&dev->mt76.mutex); 654 } 655 656 static void 657 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 658 struct ieee80211_vif *vif, 659 struct cfg80211_chan_def *chandef) 660 { 661 struct mt7996_dev *dev = mt7996_hw_dev(hw); 662 663 mutex_lock(&dev->mt76.mutex); 664 mt7996_mcu_add_beacon(hw, vif, true); 665 mutex_unlock(&dev->mt76.mutex); 666 } 667 668 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 669 struct ieee80211_sta *sta) 670 { 671 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 672 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 673 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 674 u8 band_idx = mvif->phy->mt76->band_idx; 675 int ret, idx; 676 677 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 678 if (idx < 0) 679 return -ENOSPC; 680 681 INIT_LIST_HEAD(&msta->rc_list); 682 INIT_LIST_HEAD(&msta->wcid.poll_list); 683 msta->vif = mvif; 684 msta->wcid.sta = 1; 685 msta->wcid.idx = idx; 686 msta->wcid.phy_idx = band_idx; 687 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 688 689 ewma_avg_signal_init(&msta->avg_ack_signal); 690 691 mt7996_mac_wtbl_update(dev, idx, 692 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 693 694 ret = mt7996_mcu_add_sta(dev, vif, sta, true, true); 695 if (ret) 696 return ret; 697 698 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 699 } 700 701 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 702 struct ieee80211_sta *sta) 703 { 704 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 705 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 706 int i; 707 708 mt7996_mcu_add_sta(dev, vif, sta, false, false); 709 710 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 711 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 712 713 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 714 mt7996_mac_twt_teardown_flow(dev, msta, i); 715 716 spin_lock_bh(&mdev->sta_poll_lock); 717 if (!list_empty(&msta->wcid.poll_list)) 718 list_del_init(&msta->wcid.poll_list); 719 if (!list_empty(&msta->rc_list)) 720 list_del_init(&msta->rc_list); 721 spin_unlock_bh(&mdev->sta_poll_lock); 722 } 723 724 static void mt7996_tx(struct ieee80211_hw *hw, 725 struct ieee80211_tx_control *control, 726 struct sk_buff *skb) 727 { 728 struct mt7996_dev *dev = mt7996_hw_dev(hw); 729 struct mt76_phy *mphy = hw->priv; 730 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 731 struct ieee80211_vif *vif = info->control.vif; 732 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 733 734 if (control->sta) { 735 struct mt7996_sta *sta; 736 737 sta = (struct mt7996_sta *)control->sta->drv_priv; 738 wcid = &sta->wcid; 739 } 740 741 if (vif && !control->sta) { 742 struct mt7996_vif *mvif; 743 744 mvif = (struct mt7996_vif *)vif->drv_priv; 745 wcid = &mvif->sta.wcid; 746 } 747 748 mt76_tx(mphy, control->sta, wcid, skb); 749 } 750 751 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 752 { 753 struct mt7996_phy *phy = mt7996_hw_phy(hw); 754 int ret; 755 756 mutex_lock(&phy->dev->mt76.mutex); 757 ret = mt7996_mcu_set_rts_thresh(phy, val); 758 mutex_unlock(&phy->dev->mt76.mutex); 759 760 return ret; 761 } 762 763 static int 764 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 765 struct ieee80211_ampdu_params *params) 766 { 767 enum ieee80211_ampdu_mlme_action action = params->action; 768 struct mt7996_dev *dev = mt7996_hw_dev(hw); 769 struct ieee80211_sta *sta = params->sta; 770 struct ieee80211_txq *txq = sta->txq[params->tid]; 771 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 772 u16 tid = params->tid; 773 u16 ssn = params->ssn; 774 struct mt76_txq *mtxq; 775 int ret = 0; 776 777 if (!txq) 778 return -EINVAL; 779 780 mtxq = (struct mt76_txq *)txq->drv_priv; 781 782 mutex_lock(&dev->mt76.mutex); 783 switch (action) { 784 case IEEE80211_AMPDU_RX_START: 785 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 786 params->buf_size); 787 ret = mt7996_mcu_add_rx_ba(dev, params, true); 788 break; 789 case IEEE80211_AMPDU_RX_STOP: 790 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 791 ret = mt7996_mcu_add_rx_ba(dev, params, false); 792 break; 793 case IEEE80211_AMPDU_TX_OPERATIONAL: 794 mtxq->aggr = true; 795 mtxq->send_bar = false; 796 ret = mt7996_mcu_add_tx_ba(dev, params, true); 797 break; 798 case IEEE80211_AMPDU_TX_STOP_FLUSH: 799 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 800 mtxq->aggr = false; 801 clear_bit(tid, &msta->wcid.ampdu_state); 802 ret = mt7996_mcu_add_tx_ba(dev, params, false); 803 break; 804 case IEEE80211_AMPDU_TX_START: 805 set_bit(tid, &msta->wcid.ampdu_state); 806 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 807 break; 808 case IEEE80211_AMPDU_TX_STOP_CONT: 809 mtxq->aggr = false; 810 clear_bit(tid, &msta->wcid.ampdu_state); 811 ret = mt7996_mcu_add_tx_ba(dev, params, false); 812 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 813 break; 814 } 815 mutex_unlock(&dev->mt76.mutex); 816 817 return ret; 818 } 819 820 static int 821 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 822 struct ieee80211_sta *sta) 823 { 824 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 825 IEEE80211_STA_NONE); 826 } 827 828 static int 829 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 830 struct ieee80211_sta *sta) 831 { 832 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 833 IEEE80211_STA_NOTEXIST); 834 } 835 836 static int 837 mt7996_get_stats(struct ieee80211_hw *hw, 838 struct ieee80211_low_level_stats *stats) 839 { 840 struct mt7996_phy *phy = mt7996_hw_phy(hw); 841 struct mt7996_dev *dev = mt7996_hw_dev(hw); 842 struct mt76_mib_stats *mib = &phy->mib; 843 844 mutex_lock(&dev->mt76.mutex); 845 846 stats->dot11RTSSuccessCount = mib->rts_cnt; 847 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 848 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 849 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 850 851 mutex_unlock(&dev->mt76.mutex); 852 853 return 0; 854 } 855 856 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 857 { 858 struct mt7996_dev *dev = mt7996_hw_dev(hw); 859 struct mt7996_phy *phy = mt7996_hw_phy(hw); 860 union { 861 u64 t64; 862 u32 t32[2]; 863 } tsf; 864 u16 n; 865 866 lockdep_assert_held(&dev->mt76.mutex); 867 868 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 869 : mvif->mt76.omac_idx; 870 /* TSF software read */ 871 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 872 MT_LPON_TCR_SW_READ); 873 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 874 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 875 876 return tsf.t64; 877 } 878 879 static u64 880 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 881 { 882 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 883 struct mt7996_dev *dev = mt7996_hw_dev(hw); 884 u64 ret; 885 886 mutex_lock(&dev->mt76.mutex); 887 ret = __mt7996_get_tsf(hw, mvif); 888 mutex_unlock(&dev->mt76.mutex); 889 890 return ret; 891 } 892 893 static void 894 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 895 u64 timestamp) 896 { 897 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 898 struct mt7996_dev *dev = mt7996_hw_dev(hw); 899 struct mt7996_phy *phy = mt7996_hw_phy(hw); 900 union { 901 u64 t64; 902 u32 t32[2]; 903 } tsf = { .t64 = timestamp, }; 904 u16 n; 905 906 mutex_lock(&dev->mt76.mutex); 907 908 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 909 : mvif->mt76.omac_idx; 910 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 911 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 912 /* TSF software overwrite */ 913 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 914 MT_LPON_TCR_SW_WRITE); 915 916 mutex_unlock(&dev->mt76.mutex); 917 } 918 919 static void 920 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 921 s64 timestamp) 922 { 923 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 924 struct mt7996_dev *dev = mt7996_hw_dev(hw); 925 struct mt7996_phy *phy = mt7996_hw_phy(hw); 926 union { 927 u64 t64; 928 u32 t32[2]; 929 } tsf = { .t64 = timestamp, }; 930 u16 n; 931 932 mutex_lock(&dev->mt76.mutex); 933 934 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 935 : mvif->mt76.omac_idx; 936 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 937 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 938 /* TSF software adjust*/ 939 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 940 MT_LPON_TCR_SW_ADJUST); 941 942 mutex_unlock(&dev->mt76.mutex); 943 } 944 945 static void 946 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 947 { 948 struct mt7996_phy *phy = mt7996_hw_phy(hw); 949 struct mt7996_dev *dev = phy->dev; 950 951 mutex_lock(&dev->mt76.mutex); 952 phy->coverage_class = max_t(s16, coverage_class, 0); 953 mt7996_mac_set_coverage_class(phy); 954 mutex_unlock(&dev->mt76.mutex); 955 } 956 957 static int 958 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 959 { 960 struct mt7996_dev *dev = mt7996_hw_dev(hw); 961 struct mt7996_phy *phy = mt7996_hw_phy(hw); 962 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 963 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 964 965 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 966 return -EINVAL; 967 968 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 969 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 970 971 mutex_lock(&dev->mt76.mutex); 972 973 phy->mt76->antenna_mask = tx_ant; 974 975 /* restore to the origin chainmask which might have auxiliary path */ 976 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 977 phy->mt76->chainmask = ((dev->chainmask >> shift) & 978 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 979 else if (hweight8(tx_ant) == max_nss) 980 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 981 else 982 phy->mt76->chainmask = tx_ant << shift; 983 984 mt76_set_stream_caps(phy->mt76, true); 985 mt7996_set_stream_vht_txbf_caps(phy); 986 mt7996_set_stream_he_eht_caps(phy); 987 mt7996_mcu_set_txpower_sku(phy); 988 989 mutex_unlock(&dev->mt76.mutex); 990 991 return 0; 992 } 993 994 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 995 struct ieee80211_vif *vif, 996 struct ieee80211_sta *sta, 997 struct station_info *sinfo) 998 { 999 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1000 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1001 struct rate_info *txrate = &msta->wcid.rate; 1002 1003 if (txrate->legacy || txrate->flags) { 1004 if (txrate->legacy) { 1005 sinfo->txrate.legacy = txrate->legacy; 1006 } else { 1007 sinfo->txrate.mcs = txrate->mcs; 1008 sinfo->txrate.nss = txrate->nss; 1009 sinfo->txrate.bw = txrate->bw; 1010 sinfo->txrate.he_gi = txrate->he_gi; 1011 sinfo->txrate.he_dcm = txrate->he_dcm; 1012 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1013 sinfo->txrate.eht_gi = txrate->eht_gi; 1014 } 1015 sinfo->txrate.flags = txrate->flags; 1016 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1017 } 1018 sinfo->txrate.flags = txrate->flags; 1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1020 1021 sinfo->tx_failed = msta->wcid.stats.tx_failed; 1022 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1023 1024 sinfo->tx_retries = msta->wcid.stats.tx_retries; 1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 1026 1027 sinfo->ack_signal = (s8)msta->ack_signal; 1028 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1029 1030 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1031 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1032 1033 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) { 1034 sinfo->tx_bytes = msta->wcid.stats.tx_bytes; 1035 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); 1036 1037 sinfo->rx_bytes = msta->wcid.stats.rx_bytes; 1038 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); 1039 1040 sinfo->tx_packets = msta->wcid.stats.tx_packets; 1041 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); 1042 1043 sinfo->rx_packets = msta->wcid.stats.rx_packets; 1044 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); 1045 } 1046 } 1047 1048 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 1049 { 1050 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1051 struct mt7996_dev *dev = msta->vif->phy->dev; 1052 u32 *changed = data; 1053 1054 spin_lock_bh(&dev->mt76.sta_poll_lock); 1055 msta->changed |= *changed; 1056 if (list_empty(&msta->rc_list)) 1057 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1058 spin_unlock_bh(&dev->mt76.sta_poll_lock); 1059 } 1060 1061 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 1062 struct ieee80211_vif *vif, 1063 struct ieee80211_link_sta *link_sta, 1064 u32 changed) 1065 { 1066 struct ieee80211_sta *sta = link_sta->sta; 1067 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1068 struct mt7996_dev *dev = phy->dev; 1069 1070 mt7996_sta_rc_work(&changed, sta); 1071 ieee80211_queue_work(hw, &dev->rc_work); 1072 } 1073 1074 static int 1075 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1076 const struct cfg80211_bitrate_mask *mask) 1077 { 1078 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1079 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1080 struct mt7996_dev *dev = phy->dev; 1081 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1082 1083 mvif->bitrate_mask = *mask; 1084 1085 /* if multiple rates across different preambles are given we can 1086 * reconfigure this info with all peers using sta_rec command with 1087 * the below exception cases. 1088 * - single rate : if a rate is passed along with different preambles, 1089 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1090 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1091 * then multiple MCS setting (MCS 4,5,6) is not supported. 1092 */ 1093 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 1094 ieee80211_queue_work(hw, &dev->rc_work); 1095 1096 return 0; 1097 } 1098 1099 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 1100 struct ieee80211_vif *vif, 1101 struct ieee80211_sta *sta, 1102 bool enabled) 1103 { 1104 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1105 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1106 1107 if (enabled) 1108 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1109 else 1110 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1111 1112 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1113 } 1114 1115 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 1116 struct ieee80211_vif *vif, 1117 struct ieee80211_sta *sta, 1118 bool enabled) 1119 { 1120 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1121 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1122 1123 if (enabled) 1124 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1125 else 1126 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1127 1128 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1129 } 1130 1131 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1132 "tx_ampdu_cnt", 1133 "tx_stop_q_empty_cnt", 1134 "tx_mpdu_attempts", 1135 "tx_mpdu_success", 1136 "tx_rwp_fail_cnt", 1137 "tx_rwp_need_cnt", 1138 "tx_pkt_ebf_cnt", 1139 "tx_pkt_ibf_cnt", 1140 "tx_ampdu_len:0-1", 1141 "tx_ampdu_len:2-10", 1142 "tx_ampdu_len:11-19", 1143 "tx_ampdu_len:20-28", 1144 "tx_ampdu_len:29-37", 1145 "tx_ampdu_len:38-46", 1146 "tx_ampdu_len:47-55", 1147 "tx_ampdu_len:56-79", 1148 "tx_ampdu_len:80-103", 1149 "tx_ampdu_len:104-127", 1150 "tx_ampdu_len:128-151", 1151 "tx_ampdu_len:152-175", 1152 "tx_ampdu_len:176-199", 1153 "tx_ampdu_len:200-223", 1154 "tx_ampdu_len:224-247", 1155 "ba_miss_count", 1156 "tx_beamformer_ppdu_iBF", 1157 "tx_beamformer_ppdu_eBF", 1158 "tx_beamformer_rx_feedback_all", 1159 "tx_beamformer_rx_feedback_he", 1160 "tx_beamformer_rx_feedback_vht", 1161 "tx_beamformer_rx_feedback_ht", 1162 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1163 "tx_beamformer_rx_feedback_nc", 1164 "tx_beamformer_rx_feedback_nr", 1165 "tx_beamformee_ok_feedback_pkts", 1166 "tx_beamformee_feedback_trig", 1167 "tx_mu_beamforming", 1168 "tx_mu_mpdu", 1169 "tx_mu_successful_mpdu", 1170 "tx_su_successful_mpdu", 1171 "tx_msdu_pack_1", 1172 "tx_msdu_pack_2", 1173 "tx_msdu_pack_3", 1174 "tx_msdu_pack_4", 1175 "tx_msdu_pack_5", 1176 "tx_msdu_pack_6", 1177 "tx_msdu_pack_7", 1178 "tx_msdu_pack_8", 1179 1180 /* rx counters */ 1181 "rx_fifo_full_cnt", 1182 "rx_mpdu_cnt", 1183 "channel_idle_cnt", 1184 "rx_vector_mismatch_cnt", 1185 "rx_delimiter_fail_cnt", 1186 "rx_len_mismatch_cnt", 1187 "rx_ampdu_cnt", 1188 "rx_ampdu_bytes_cnt", 1189 "rx_ampdu_valid_subframe_cnt", 1190 "rx_ampdu_valid_subframe_b_cnt", 1191 "rx_pfdrop_cnt", 1192 "rx_vec_queue_overflow_drop_cnt", 1193 "rx_ba_cnt", 1194 1195 /* per vif counters */ 1196 "v_tx_mode_cck", 1197 "v_tx_mode_ofdm", 1198 "v_tx_mode_ht", 1199 "v_tx_mode_ht_gf", 1200 "v_tx_mode_vht", 1201 "v_tx_mode_he_su", 1202 "v_tx_mode_he_ext_su", 1203 "v_tx_mode_he_tb", 1204 "v_tx_mode_he_mu", 1205 "v_tx_mode_eht_su", 1206 "v_tx_mode_eht_trig", 1207 "v_tx_mode_eht_mu", 1208 "v_tx_bw_20", 1209 "v_tx_bw_40", 1210 "v_tx_bw_80", 1211 "v_tx_bw_160", 1212 "v_tx_bw_320", 1213 "v_tx_mcs_0", 1214 "v_tx_mcs_1", 1215 "v_tx_mcs_2", 1216 "v_tx_mcs_3", 1217 "v_tx_mcs_4", 1218 "v_tx_mcs_5", 1219 "v_tx_mcs_6", 1220 "v_tx_mcs_7", 1221 "v_tx_mcs_8", 1222 "v_tx_mcs_9", 1223 "v_tx_mcs_10", 1224 "v_tx_mcs_11", 1225 "v_tx_mcs_12", 1226 "v_tx_mcs_13", 1227 "v_tx_nss_1", 1228 "v_tx_nss_2", 1229 "v_tx_nss_3", 1230 "v_tx_nss_4", 1231 }; 1232 1233 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1234 1235 /* Ethtool related API */ 1236 static 1237 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1238 struct ieee80211_vif *vif, 1239 u32 sset, u8 *data) 1240 { 1241 if (sset == ETH_SS_STATS) 1242 memcpy(data, mt7996_gstrings_stats, 1243 sizeof(mt7996_gstrings_stats)); 1244 } 1245 1246 static 1247 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1248 struct ieee80211_vif *vif, int sset) 1249 { 1250 if (sset == ETH_SS_STATS) 1251 return MT7996_SSTATS_LEN; 1252 1253 return 0; 1254 } 1255 1256 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1257 { 1258 struct mt76_ethtool_worker_info *wi = wi_data; 1259 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1260 1261 if (msta->vif->mt76.idx != wi->idx) 1262 return; 1263 1264 mt76_ethtool_worker(wi, &msta->wcid.stats, true); 1265 } 1266 1267 static 1268 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1269 struct ieee80211_vif *vif, 1270 struct ethtool_stats *stats, u64 *data) 1271 { 1272 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1273 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1274 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1275 struct mt76_mib_stats *mib = &phy->mib; 1276 struct mt76_ethtool_worker_info wi = { 1277 .data = data, 1278 .idx = mvif->mt76.idx, 1279 }; 1280 /* See mt7996_ampdu_stat_read_phy, etc */ 1281 int i, ei = 0; 1282 1283 mutex_lock(&dev->mt76.mutex); 1284 1285 mt7996_mac_update_stats(phy); 1286 1287 data[ei++] = mib->tx_ampdu_cnt; 1288 data[ei++] = mib->tx_stop_q_empty_cnt; 1289 data[ei++] = mib->tx_mpdu_attempts_cnt; 1290 data[ei++] = mib->tx_mpdu_success_cnt; 1291 data[ei++] = mib->tx_rwp_fail_cnt; 1292 data[ei++] = mib->tx_rwp_need_cnt; 1293 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1294 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1295 1296 /* Tx ampdu stat */ 1297 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1298 data[ei++] = phy->mt76->aggr_stats[i]; 1299 data[ei++] = phy->mib.ba_miss_cnt; 1300 1301 /* Tx Beamformer monitor */ 1302 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1303 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1304 1305 /* Tx Beamformer Rx feedback monitor */ 1306 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1307 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1308 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1309 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1310 1311 data[ei++] = mib->tx_bf_rx_fb_bw; 1312 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1313 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1314 1315 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1316 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1317 data[ei++] = mib->tx_bf_fb_trig_cnt; 1318 1319 /* Tx SU & MU counters */ 1320 data[ei++] = mib->tx_mu_bf_cnt; 1321 data[ei++] = mib->tx_mu_mpdu_cnt; 1322 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1323 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1324 1325 /* Tx amsdu info (pack-count histogram) */ 1326 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1327 data[ei++] = mib->tx_amsdu[i]; 1328 1329 /* rx counters */ 1330 data[ei++] = mib->rx_fifo_full_cnt; 1331 data[ei++] = mib->rx_mpdu_cnt; 1332 data[ei++] = mib->channel_idle_cnt; 1333 data[ei++] = mib->rx_vector_mismatch_cnt; 1334 data[ei++] = mib->rx_delimiter_fail_cnt; 1335 data[ei++] = mib->rx_len_mismatch_cnt; 1336 data[ei++] = mib->rx_ampdu_cnt; 1337 data[ei++] = mib->rx_ampdu_bytes_cnt; 1338 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1339 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1340 data[ei++] = mib->rx_pfdrop_cnt; 1341 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1342 data[ei++] = mib->rx_ba_cnt; 1343 1344 /* Add values for all stations owned by this vif */ 1345 wi.initial_stat_idx = ei; 1346 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1347 1348 mutex_unlock(&dev->mt76.mutex); 1349 1350 if (wi.sta_count == 0) 1351 return; 1352 1353 ei += wi.worker_stat_count; 1354 if (ei != MT7996_SSTATS_LEN) 1355 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1356 ei, (int)MT7996_SSTATS_LEN); 1357 } 1358 1359 static void 1360 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1361 struct ieee80211_sta *sta, 1362 u8 flowid) 1363 { 1364 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1365 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1366 1367 mutex_lock(&dev->mt76.mutex); 1368 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1369 mutex_unlock(&dev->mt76.mutex); 1370 } 1371 1372 static int 1373 mt7996_set_radar_background(struct ieee80211_hw *hw, 1374 struct cfg80211_chan_def *chandef) 1375 { 1376 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1377 struct mt7996_dev *dev = phy->dev; 1378 int ret = -EINVAL; 1379 bool running; 1380 1381 mutex_lock(&dev->mt76.mutex); 1382 1383 if (dev->mt76.region == NL80211_DFS_UNSET) 1384 goto out; 1385 1386 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1387 /* rdd2 is already locked */ 1388 ret = -EBUSY; 1389 goto out; 1390 } 1391 1392 /* rdd2 already configured on a radar channel */ 1393 running = dev->rdd2_phy && 1394 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1395 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1396 1397 if (!chandef || running || 1398 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1399 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1400 if (ret) 1401 goto out; 1402 1403 if (!running) 1404 goto update_phy; 1405 } 1406 1407 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1408 if (ret) 1409 goto out; 1410 1411 update_phy: 1412 dev->rdd2_phy = chandef ? phy : NULL; 1413 if (chandef) 1414 dev->rdd2_chandef = *chandef; 1415 out: 1416 mutex_unlock(&dev->mt76.mutex); 1417 1418 return ret; 1419 } 1420 1421 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1422 static int 1423 mt7996_net_fill_forward_path(struct ieee80211_hw *hw, 1424 struct ieee80211_vif *vif, 1425 struct ieee80211_sta *sta, 1426 struct net_device_path_ctx *ctx, 1427 struct net_device_path *path) 1428 { 1429 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1430 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1431 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1432 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1433 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 1434 1435 if (phy != &dev->phy && phy->mt76->band_idx == MT_BAND2) 1436 wed = &dev->mt76.mmio.wed_hif2; 1437 1438 if (!mtk_wed_device_active(wed)) 1439 return -ENODEV; 1440 1441 if (msta->wcid.idx > MT7996_WTBL_STA) 1442 return -EIO; 1443 1444 path->type = DEV_PATH_MTK_WDMA; 1445 path->dev = ctx->dev; 1446 path->mtk_wdma.wdma_idx = wed->wdma_idx; 1447 path->mtk_wdma.bss = mvif->mt76.idx; 1448 path->mtk_wdma.queue = 0; 1449 path->mtk_wdma.wcid = msta->wcid.idx; 1450 1451 path->mtk_wdma.amsdu = mtk_wed_is_amsdu_supported(wed); 1452 ctx->dev = NULL; 1453 1454 return 0; 1455 } 1456 1457 #endif 1458 1459 const struct ieee80211_ops mt7996_ops = { 1460 .add_chanctx = ieee80211_emulate_add_chanctx, 1461 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1462 .change_chanctx = ieee80211_emulate_change_chanctx, 1463 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1464 .tx = mt7996_tx, 1465 .start = mt7996_start, 1466 .stop = mt7996_stop, 1467 .add_interface = mt7996_add_interface, 1468 .remove_interface = mt7996_remove_interface, 1469 .config = mt7996_config, 1470 .conf_tx = mt7996_conf_tx, 1471 .configure_filter = mt7996_configure_filter, 1472 .bss_info_changed = mt7996_bss_info_changed, 1473 .sta_add = mt7996_sta_add, 1474 .sta_remove = mt7996_sta_remove, 1475 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1476 .link_sta_rc_update = mt7996_sta_rc_update, 1477 .set_key = mt7996_set_key, 1478 .ampdu_action = mt7996_ampdu_action, 1479 .set_rts_threshold = mt7996_set_rts_threshold, 1480 .wake_tx_queue = mt76_wake_tx_queue, 1481 .sw_scan_start = mt76_sw_scan, 1482 .sw_scan_complete = mt76_sw_scan_complete, 1483 .release_buffered_frames = mt76_release_buffered_frames, 1484 .get_txpower = mt76_get_txpower, 1485 .channel_switch_beacon = mt7996_channel_switch_beacon, 1486 .get_stats = mt7996_get_stats, 1487 .get_et_sset_count = mt7996_get_et_sset_count, 1488 .get_et_stats = mt7996_get_et_stats, 1489 .get_et_strings = mt7996_get_et_strings, 1490 .get_tsf = mt7996_get_tsf, 1491 .set_tsf = mt7996_set_tsf, 1492 .offset_tsf = mt7996_offset_tsf, 1493 .get_survey = mt76_get_survey, 1494 .get_antenna = mt76_get_antenna, 1495 .set_antenna = mt7996_set_antenna, 1496 .set_bitrate_mask = mt7996_set_bitrate_mask, 1497 .set_coverage_class = mt7996_set_coverage_class, 1498 .sta_statistics = mt7996_sta_statistics, 1499 .sta_set_4addr = mt7996_sta_set_4addr, 1500 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1501 .add_twt_setup = mt7996_mac_add_twt_setup, 1502 .twt_teardown_request = mt7996_twt_teardown_request, 1503 #ifdef CONFIG_MAC80211_DEBUGFS 1504 .sta_add_debugfs = mt7996_sta_add_debugfs, 1505 #endif 1506 .set_radar_background = mt7996_set_radar_background, 1507 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1508 .net_fill_forward_path = mt7996_net_fill_forward_path, 1509 .net_setup_tc = mt76_wed_net_setup_tc, 1510 #endif 1511 }; 1512