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 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 55 56 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 57 MT7996_WATCHDOG_TIME); 58 59 if (!running) 60 mt7996_mac_reset_counters(phy); 61 62 out: 63 return ret; 64 } 65 66 static int mt7996_start(struct ieee80211_hw *hw) 67 { 68 struct mt7996_dev *dev = mt7996_hw_dev(hw); 69 int ret; 70 71 flush_work(&dev->init_work); 72 73 mutex_lock(&dev->mt76.mutex); 74 ret = mt7996_run(hw); 75 mutex_unlock(&dev->mt76.mutex); 76 77 return ret; 78 } 79 80 static void mt7996_stop(struct ieee80211_hw *hw) 81 { 82 struct mt7996_dev *dev = mt7996_hw_dev(hw); 83 struct mt7996_phy *phy = mt7996_hw_phy(hw); 84 85 cancel_delayed_work_sync(&phy->mt76->mac_work); 86 87 mutex_lock(&dev->mt76.mutex); 88 89 mt7996_mcu_set_radio_en(phy, false); 90 91 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 92 93 mutex_unlock(&dev->mt76.mutex); 94 } 95 96 static inline int get_free_idx(u32 mask, u8 start, u8 end) 97 { 98 return ffs(~mask & GENMASK(end, start)); 99 } 100 101 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 102 { 103 int i; 104 105 switch (type) { 106 case NL80211_IFTYPE_MESH_POINT: 107 case NL80211_IFTYPE_ADHOC: 108 case NL80211_IFTYPE_STATION: 109 /* prefer hw bssid slot 1-3 */ 110 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 111 if (i) 112 return i - 1; 113 114 if (type != NL80211_IFTYPE_STATION) 115 break; 116 117 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 118 if (i) 119 return i - 1; 120 121 if (~mask & BIT(HW_BSSID_0)) 122 return HW_BSSID_0; 123 124 break; 125 case NL80211_IFTYPE_MONITOR: 126 case NL80211_IFTYPE_AP: 127 /* ap uses hw bssid 0 and ext bssid */ 128 if (~mask & BIT(HW_BSSID_0)) 129 return HW_BSSID_0; 130 131 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 132 if (i) 133 return i - 1; 134 135 break; 136 default: 137 WARN_ON(1); 138 break; 139 } 140 141 return -1; 142 } 143 144 static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif) 145 { 146 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 147 int i; 148 149 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 150 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 151 mvif->bitrate_mask.control[i].he_gi = 0xff; 152 mvif->bitrate_mask.control[i].he_ltf = 0xff; 153 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 154 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 155 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 156 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 157 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 158 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 159 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 160 } 161 } 162 163 static int mt7996_add_interface(struct ieee80211_hw *hw, 164 struct ieee80211_vif *vif) 165 { 166 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 167 struct mt7996_dev *dev = mt7996_hw_dev(hw); 168 struct mt7996_phy *phy = mt7996_hw_phy(hw); 169 struct mt76_txq *mtxq; 170 u8 band_idx = phy->mt76->band_idx; 171 int idx, ret = 0; 172 173 mutex_lock(&dev->mt76.mutex); 174 175 if (vif->type == NL80211_IFTYPE_MONITOR && 176 is_zero_ether_addr(vif->addr)) 177 phy->monitor_vif = vif; 178 179 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 180 if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) { 181 ret = -ENOSPC; 182 goto out; 183 } 184 185 idx = get_omac_idx(vif->type, phy->omac_mask); 186 if (idx < 0) { 187 ret = -ENOSPC; 188 goto out; 189 } 190 mvif->mt76.omac_idx = idx; 191 mvif->phy = phy; 192 mvif->mt76.band_idx = band_idx; 193 mvif->mt76.wmm_idx = vif->type == NL80211_IFTYPE_AP ? 0 : 3; 194 195 ret = mt7996_mcu_add_dev_info(phy, vif, true); 196 if (ret) 197 goto out; 198 199 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 200 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 201 202 idx = MT7996_WTBL_RESERVED - mvif->mt76.idx; 203 204 INIT_LIST_HEAD(&mvif->sta.rc_list); 205 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 206 mvif->sta.wcid.idx = idx; 207 mvif->sta.wcid.phy_idx = band_idx; 208 mvif->sta.wcid.hw_key_idx = -1; 209 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 210 mt76_wcid_init(&mvif->sta.wcid); 211 212 mt7996_mac_wtbl_update(dev, idx, 213 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 214 215 if (vif->txq) { 216 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 217 mtxq->wcid = idx; 218 } 219 220 if (vif->type != NL80211_IFTYPE_AP && 221 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 222 vif->offload_flags = 0; 223 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 224 225 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 226 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4; 227 else 228 mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL; 229 230 mt7996_init_bitrate_mask(vif); 231 232 mt7996_mcu_add_bss_info(phy, vif, true); 233 mt7996_mcu_add_sta(dev, vif, NULL, true); 234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 235 236 out: 237 mutex_unlock(&dev->mt76.mutex); 238 239 return ret; 240 } 241 242 static void mt7996_remove_interface(struct ieee80211_hw *hw, 243 struct ieee80211_vif *vif) 244 { 245 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 246 struct mt7996_sta *msta = &mvif->sta; 247 struct mt7996_dev *dev = mt7996_hw_dev(hw); 248 struct mt7996_phy *phy = mt7996_hw_phy(hw); 249 int idx = msta->wcid.idx; 250 251 mt7996_mcu_add_bss_info(phy, vif, false); 252 mt7996_mcu_add_sta(dev, vif, NULL, false); 253 254 if (vif == phy->monitor_vif) 255 phy->monitor_vif = NULL; 256 257 mt7996_mcu_add_dev_info(phy, vif, false); 258 259 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 260 261 mutex_lock(&dev->mt76.mutex); 262 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 263 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 264 mutex_unlock(&dev->mt76.mutex); 265 266 spin_lock_bh(&dev->mt76.sta_poll_lock); 267 if (!list_empty(&msta->wcid.poll_list)) 268 list_del_init(&msta->wcid.poll_list); 269 spin_unlock_bh(&dev->mt76.sta_poll_lock); 270 271 mt76_wcid_cleanup(&dev->mt76, &msta->wcid); 272 } 273 274 int mt7996_set_channel(struct mt7996_phy *phy) 275 { 276 struct mt7996_dev *dev = phy->dev; 277 int ret; 278 279 cancel_delayed_work_sync(&phy->mt76->mac_work); 280 281 mutex_lock(&dev->mt76.mutex); 282 set_bit(MT76_RESET, &phy->mt76->state); 283 284 mt76_set_channel(phy->mt76); 285 286 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 287 if (ret) 288 goto out; 289 290 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 291 if (ret) 292 goto out; 293 294 ret = mt7996_dfs_init_radar_detector(phy); 295 mt7996_mac_cca_stats_reset(phy); 296 297 mt7996_mac_reset_counters(phy); 298 phy->noise = 0; 299 300 out: 301 clear_bit(MT76_RESET, &phy->mt76->state); 302 mutex_unlock(&dev->mt76.mutex); 303 304 mt76_txq_schedule_all(phy->mt76); 305 306 ieee80211_queue_delayed_work(phy->mt76->hw, 307 &phy->mt76->mac_work, 308 MT7996_WATCHDOG_TIME); 309 310 return ret; 311 } 312 313 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 314 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 315 struct ieee80211_key_conf *key) 316 { 317 struct mt7996_dev *dev = mt7996_hw_dev(hw); 318 struct mt7996_phy *phy = mt7996_hw_phy(hw); 319 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 320 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 321 &mvif->sta; 322 struct mt76_wcid *wcid = &msta->wcid; 323 u8 *wcid_keyidx = &wcid->hw_key_idx; 324 int idx = key->keyidx; 325 int err = 0; 326 327 /* The hardware does not support per-STA RX GTK, fallback 328 * to software mode for these. 329 */ 330 if ((vif->type == NL80211_IFTYPE_ADHOC || 331 vif->type == NL80211_IFTYPE_MESH_POINT) && 332 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 333 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 334 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 335 return -EOPNOTSUPP; 336 337 /* fall back to sw encryption for unsupported ciphers */ 338 switch (key->cipher) { 339 case WLAN_CIPHER_SUITE_AES_CMAC: 340 wcid_keyidx = &wcid->hw_key_idx2; 341 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 342 break; 343 case WLAN_CIPHER_SUITE_TKIP: 344 case WLAN_CIPHER_SUITE_CCMP: 345 case WLAN_CIPHER_SUITE_CCMP_256: 346 case WLAN_CIPHER_SUITE_GCMP: 347 case WLAN_CIPHER_SUITE_GCMP_256: 348 case WLAN_CIPHER_SUITE_SMS4: 349 break; 350 case WLAN_CIPHER_SUITE_WEP40: 351 case WLAN_CIPHER_SUITE_WEP104: 352 default: 353 return -EOPNOTSUPP; 354 } 355 356 mutex_lock(&dev->mt76.mutex); 357 358 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 359 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 360 mt7996_mcu_add_bss_info(phy, vif, true); 361 } 362 363 if (cmd == SET_KEY) { 364 *wcid_keyidx = idx; 365 } else { 366 if (idx == *wcid_keyidx) 367 *wcid_keyidx = -1; 368 goto out; 369 } 370 371 mt76_wcid_key_setup(&dev->mt76, wcid, key); 372 err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip, 373 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 374 &msta->wcid, cmd); 375 out: 376 mutex_unlock(&dev->mt76.mutex); 377 378 return err; 379 } 380 381 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 382 { 383 struct mt7996_dev *dev = mt7996_hw_dev(hw); 384 struct mt7996_phy *phy = mt7996_hw_phy(hw); 385 int ret; 386 387 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 388 ieee80211_stop_queues(hw); 389 ret = mt7996_set_channel(phy); 390 if (ret) 391 return ret; 392 ieee80211_wake_queues(hw); 393 } 394 395 mutex_lock(&dev->mt76.mutex); 396 397 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 398 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 399 400 if (!enabled) 401 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 402 else 403 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 404 405 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 406 MT_DMA_DCR0_RXD_G5_EN, enabled); 407 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 408 } 409 410 mutex_unlock(&dev->mt76.mutex); 411 412 return 0; 413 } 414 415 static int 416 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 417 unsigned int link_id, u16 queue, 418 const struct ieee80211_tx_queue_params *params) 419 { 420 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 421 const u8 mq_to_aci[] = { 422 [IEEE80211_AC_VO] = 3, 423 [IEEE80211_AC_VI] = 2, 424 [IEEE80211_AC_BE] = 0, 425 [IEEE80211_AC_BK] = 1, 426 }; 427 428 /* firmware uses access class index */ 429 mvif->queue_params[mq_to_aci[queue]] = *params; 430 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 431 432 return 0; 433 } 434 435 static void mt7996_configure_filter(struct ieee80211_hw *hw, 436 unsigned int changed_flags, 437 unsigned int *total_flags, 438 u64 multicast) 439 { 440 struct mt7996_dev *dev = mt7996_hw_dev(hw); 441 struct mt7996_phy *phy = mt7996_hw_phy(hw); 442 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 443 MT_WF_RFCR1_DROP_BF_POLL | 444 MT_WF_RFCR1_DROP_BA | 445 MT_WF_RFCR1_DROP_CFEND | 446 MT_WF_RFCR1_DROP_CFACK; 447 u32 flags = 0; 448 449 #define MT76_FILTER(_flag, _hw) do { \ 450 flags |= *total_flags & FIF_##_flag; \ 451 phy->rxfilter &= ~(_hw); \ 452 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 453 } while (0) 454 455 mutex_lock(&dev->mt76.mutex); 456 457 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 458 MT_WF_RFCR_DROP_OTHER_BEACON | 459 MT_WF_RFCR_DROP_FRAME_REPORT | 460 MT_WF_RFCR_DROP_PROBEREQ | 461 MT_WF_RFCR_DROP_MCAST_FILTERED | 462 MT_WF_RFCR_DROP_MCAST | 463 MT_WF_RFCR_DROP_BCAST | 464 MT_WF_RFCR_DROP_DUPLICATE | 465 MT_WF_RFCR_DROP_A2_BSSID | 466 MT_WF_RFCR_DROP_UNWANTED_CTL | 467 MT_WF_RFCR_DROP_STBC_MULTI); 468 469 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 470 MT_WF_RFCR_DROP_A3_MAC | 471 MT_WF_RFCR_DROP_A3_BSSID); 472 473 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 474 475 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 476 MT_WF_RFCR_DROP_RTS | 477 MT_WF_RFCR_DROP_CTL_RSV | 478 MT_WF_RFCR_DROP_NDPA); 479 480 *total_flags = flags; 481 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 482 483 if (*total_flags & FIF_CONTROL) 484 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 485 else 486 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 487 488 mutex_unlock(&dev->mt76.mutex); 489 } 490 491 static void 492 mt7996_update_bss_color(struct ieee80211_hw *hw, 493 struct ieee80211_vif *vif, 494 struct cfg80211_he_bss_color *bss_color) 495 { 496 struct mt7996_dev *dev = mt7996_hw_dev(hw); 497 498 switch (vif->type) { 499 case NL80211_IFTYPE_AP: { 500 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 501 502 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 503 return; 504 fallthrough; 505 } 506 case NL80211_IFTYPE_STATION: 507 mt7996_mcu_update_bss_color(dev, vif, bss_color); 508 break; 509 default: 510 break; 511 } 512 } 513 514 static u8 515 mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 516 bool beacon, bool mcast) 517 { 518 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 519 struct mt76_phy *mphy = hw->priv; 520 u16 rate; 521 u8 i, idx, ht; 522 523 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 524 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 525 526 if (beacon && ht) { 527 struct mt7996_dev *dev = mt7996_hw_dev(hw); 528 529 /* must odd index */ 530 idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 531 mt7996_mac_set_fixed_rate_table(dev, idx, rate); 532 return idx; 533 } 534 535 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 536 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 537 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 538 return MT7996_BASIC_RATES_TBL + i; 539 540 return mvif->basic_rates_idx; 541 } 542 543 static void 544 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 545 struct ieee80211_bss_conf *info) 546 { 547 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 548 struct mt7996_dev *dev = mt7996_hw_dev(hw); 549 u8 band = mvif->mt76.band_idx; 550 u32 *mu; 551 552 mu = (u32 *)info->mu_group.membership; 553 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]); 554 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]); 555 556 mu = (u32 *)info->mu_group.position; 557 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]); 558 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]); 559 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]); 560 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]); 561 } 562 563 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 564 struct ieee80211_vif *vif, 565 struct ieee80211_bss_conf *info, 566 u64 changed) 567 { 568 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 569 struct mt7996_phy *phy = mt7996_hw_phy(hw); 570 struct mt7996_dev *dev = mt7996_hw_dev(hw); 571 572 mutex_lock(&dev->mt76.mutex); 573 574 /* station mode uses BSSID to map the wlan entry to a peer, 575 * and then peer references bss_info_rfch to set bandwidth cap. 576 */ 577 if (changed & BSS_CHANGED_BSSID && 578 vif->type == NL80211_IFTYPE_STATION) { 579 bool join = !is_zero_ether_addr(info->bssid); 580 581 mt7996_mcu_add_bss_info(phy, vif, join); 582 mt7996_mcu_add_sta(dev, vif, NULL, join); 583 } 584 585 if (changed & BSS_CHANGED_ASSOC) 586 mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 587 588 if (changed & BSS_CHANGED_ERP_CTS_PROT) 589 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 590 591 if (changed & BSS_CHANGED_ERP_SLOT) { 592 int slottime = info->use_short_slot ? 9 : 20; 593 594 if (slottime != phy->slottime) { 595 phy->slottime = slottime; 596 mt7996_mcu_set_timing(phy, vif); 597 } 598 } 599 600 if (changed & BSS_CHANGED_MCAST_RATE) 601 mvif->mcast_rates_idx = 602 mt7996_get_rates_table(hw, vif, false, true); 603 604 if (changed & BSS_CHANGED_BASIC_RATES) 605 mvif->basic_rates_idx = 606 mt7996_get_rates_table(hw, vif, false, false); 607 608 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 609 mt7996_mcu_add_bss_info(phy, vif, true); 610 mt7996_mcu_add_sta(dev, vif, NULL, true); 611 } 612 613 /* ensure that enable txcmd_mode after bss_info */ 614 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 615 mt7996_mcu_set_tx(dev, vif); 616 617 if (changed & BSS_CHANGED_HE_OBSS_PD) 618 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 619 620 if (changed & BSS_CHANGED_HE_BSS_COLOR) 621 mt7996_update_bss_color(hw, vif, &info->he_bss_color); 622 623 if (changed & (BSS_CHANGED_BEACON | 624 BSS_CHANGED_BEACON_ENABLED)) { 625 mvif->beacon_rates_idx = 626 mt7996_get_rates_table(hw, vif, true, false); 627 628 mt7996_mcu_add_beacon(hw, vif, info->enable_beacon); 629 } 630 631 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 632 BSS_CHANGED_FILS_DISCOVERY)) 633 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 634 635 if (changed & BSS_CHANGED_MU_GROUPS) 636 mt7996_update_mu_group(hw, vif, info); 637 638 mutex_unlock(&dev->mt76.mutex); 639 } 640 641 static void 642 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 643 struct ieee80211_vif *vif, 644 struct cfg80211_chan_def *chandef) 645 { 646 struct mt7996_dev *dev = mt7996_hw_dev(hw); 647 648 mutex_lock(&dev->mt76.mutex); 649 mt7996_mcu_add_beacon(hw, vif, true); 650 mutex_unlock(&dev->mt76.mutex); 651 } 652 653 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 654 struct ieee80211_sta *sta) 655 { 656 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 657 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 658 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 659 u8 band_idx = mvif->phy->mt76->band_idx; 660 int ret, idx; 661 662 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 663 if (idx < 0) 664 return -ENOSPC; 665 666 INIT_LIST_HEAD(&msta->rc_list); 667 INIT_LIST_HEAD(&msta->wcid.poll_list); 668 msta->vif = mvif; 669 msta->wcid.sta = 1; 670 msta->wcid.idx = idx; 671 msta->wcid.phy_idx = band_idx; 672 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 673 msta->jiffies = jiffies; 674 675 ewma_avg_signal_init(&msta->avg_ack_signal); 676 677 mt7996_mac_wtbl_update(dev, idx, 678 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 679 680 ret = mt7996_mcu_add_sta(dev, vif, sta, true); 681 if (ret) 682 return ret; 683 684 return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 685 } 686 687 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 688 struct ieee80211_sta *sta) 689 { 690 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 691 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 692 int i; 693 694 mt7996_mcu_add_sta(dev, vif, sta, false); 695 696 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 697 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 698 699 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 700 mt7996_mac_twt_teardown_flow(dev, msta, i); 701 702 spin_lock_bh(&mdev->sta_poll_lock); 703 if (!list_empty(&msta->wcid.poll_list)) 704 list_del_init(&msta->wcid.poll_list); 705 if (!list_empty(&msta->rc_list)) 706 list_del_init(&msta->rc_list); 707 spin_unlock_bh(&mdev->sta_poll_lock); 708 } 709 710 static void mt7996_tx(struct ieee80211_hw *hw, 711 struct ieee80211_tx_control *control, 712 struct sk_buff *skb) 713 { 714 struct mt7996_dev *dev = mt7996_hw_dev(hw); 715 struct mt76_phy *mphy = hw->priv; 716 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 717 struct ieee80211_vif *vif = info->control.vif; 718 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 719 720 if (control->sta) { 721 struct mt7996_sta *sta; 722 723 sta = (struct mt7996_sta *)control->sta->drv_priv; 724 wcid = &sta->wcid; 725 } 726 727 if (vif && !control->sta) { 728 struct mt7996_vif *mvif; 729 730 mvif = (struct mt7996_vif *)vif->drv_priv; 731 wcid = &mvif->sta.wcid; 732 } 733 734 mt76_tx(mphy, control->sta, wcid, skb); 735 } 736 737 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 738 { 739 struct mt7996_phy *phy = mt7996_hw_phy(hw); 740 int ret; 741 742 mutex_lock(&phy->dev->mt76.mutex); 743 ret = mt7996_mcu_set_rts_thresh(phy, val); 744 mutex_unlock(&phy->dev->mt76.mutex); 745 746 return ret; 747 } 748 749 static int 750 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 751 struct ieee80211_ampdu_params *params) 752 { 753 enum ieee80211_ampdu_mlme_action action = params->action; 754 struct mt7996_dev *dev = mt7996_hw_dev(hw); 755 struct ieee80211_sta *sta = params->sta; 756 struct ieee80211_txq *txq = sta->txq[params->tid]; 757 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 758 u16 tid = params->tid; 759 u16 ssn = params->ssn; 760 struct mt76_txq *mtxq; 761 int ret = 0; 762 763 if (!txq) 764 return -EINVAL; 765 766 mtxq = (struct mt76_txq *)txq->drv_priv; 767 768 mutex_lock(&dev->mt76.mutex); 769 switch (action) { 770 case IEEE80211_AMPDU_RX_START: 771 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 772 params->buf_size); 773 ret = mt7996_mcu_add_rx_ba(dev, params, true); 774 break; 775 case IEEE80211_AMPDU_RX_STOP: 776 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 777 ret = mt7996_mcu_add_rx_ba(dev, params, false); 778 break; 779 case IEEE80211_AMPDU_TX_OPERATIONAL: 780 mtxq->aggr = true; 781 mtxq->send_bar = false; 782 ret = mt7996_mcu_add_tx_ba(dev, params, true); 783 break; 784 case IEEE80211_AMPDU_TX_STOP_FLUSH: 785 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 786 mtxq->aggr = false; 787 clear_bit(tid, &msta->wcid.ampdu_state); 788 ret = mt7996_mcu_add_tx_ba(dev, params, false); 789 break; 790 case IEEE80211_AMPDU_TX_START: 791 set_bit(tid, &msta->wcid.ampdu_state); 792 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 793 break; 794 case IEEE80211_AMPDU_TX_STOP_CONT: 795 mtxq->aggr = false; 796 clear_bit(tid, &msta->wcid.ampdu_state); 797 ret = mt7996_mcu_add_tx_ba(dev, params, false); 798 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 799 break; 800 } 801 mutex_unlock(&dev->mt76.mutex); 802 803 return ret; 804 } 805 806 static int 807 mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 808 struct ieee80211_sta *sta) 809 { 810 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 811 IEEE80211_STA_NONE); 812 } 813 814 static int 815 mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 816 struct ieee80211_sta *sta) 817 { 818 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 819 IEEE80211_STA_NOTEXIST); 820 } 821 822 static int 823 mt7996_get_stats(struct ieee80211_hw *hw, 824 struct ieee80211_low_level_stats *stats) 825 { 826 struct mt7996_phy *phy = mt7996_hw_phy(hw); 827 struct mt7996_dev *dev = mt7996_hw_dev(hw); 828 struct mt76_mib_stats *mib = &phy->mib; 829 830 mutex_lock(&dev->mt76.mutex); 831 832 stats->dot11RTSSuccessCount = mib->rts_cnt; 833 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 834 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 835 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 836 837 mutex_unlock(&dev->mt76.mutex); 838 839 return 0; 840 } 841 842 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 843 { 844 struct mt7996_dev *dev = mt7996_hw_dev(hw); 845 struct mt7996_phy *phy = mt7996_hw_phy(hw); 846 union { 847 u64 t64; 848 u32 t32[2]; 849 } tsf; 850 u16 n; 851 852 lockdep_assert_held(&dev->mt76.mutex); 853 854 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 855 : mvif->mt76.omac_idx; 856 /* TSF software read */ 857 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 858 MT_LPON_TCR_SW_READ); 859 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 860 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 861 862 return tsf.t64; 863 } 864 865 static u64 866 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 867 { 868 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 869 struct mt7996_dev *dev = mt7996_hw_dev(hw); 870 u64 ret; 871 872 mutex_lock(&dev->mt76.mutex); 873 ret = __mt7996_get_tsf(hw, mvif); 874 mutex_unlock(&dev->mt76.mutex); 875 876 return ret; 877 } 878 879 static void 880 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 881 u64 timestamp) 882 { 883 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 884 struct mt7996_dev *dev = mt7996_hw_dev(hw); 885 struct mt7996_phy *phy = mt7996_hw_phy(hw); 886 union { 887 u64 t64; 888 u32 t32[2]; 889 } tsf = { .t64 = timestamp, }; 890 u16 n; 891 892 mutex_lock(&dev->mt76.mutex); 893 894 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 895 : mvif->mt76.omac_idx; 896 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 897 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 898 /* TSF software overwrite */ 899 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 900 MT_LPON_TCR_SW_WRITE); 901 902 mutex_unlock(&dev->mt76.mutex); 903 } 904 905 static void 906 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 907 s64 timestamp) 908 { 909 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 910 struct mt7996_dev *dev = mt7996_hw_dev(hw); 911 struct mt7996_phy *phy = mt7996_hw_phy(hw); 912 union { 913 u64 t64; 914 u32 t32[2]; 915 } tsf = { .t64 = timestamp, }; 916 u16 n; 917 918 mutex_lock(&dev->mt76.mutex); 919 920 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 921 : mvif->mt76.omac_idx; 922 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 923 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 924 /* TSF software adjust*/ 925 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 926 MT_LPON_TCR_SW_ADJUST); 927 928 mutex_unlock(&dev->mt76.mutex); 929 } 930 931 static void 932 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 933 { 934 struct mt7996_phy *phy = mt7996_hw_phy(hw); 935 struct mt7996_dev *dev = phy->dev; 936 937 mutex_lock(&dev->mt76.mutex); 938 phy->coverage_class = max_t(s16, coverage_class, 0); 939 mt7996_mac_set_coverage_class(phy); 940 mutex_unlock(&dev->mt76.mutex); 941 } 942 943 static int 944 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 945 { 946 struct mt7996_dev *dev = mt7996_hw_dev(hw); 947 struct mt7996_phy *phy = mt7996_hw_phy(hw); 948 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 949 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 950 951 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 952 return -EINVAL; 953 954 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 955 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 956 957 mutex_lock(&dev->mt76.mutex); 958 959 phy->mt76->antenna_mask = tx_ant; 960 961 /* restore to the origin chainmask which might have auxiliary path */ 962 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 963 phy->mt76->chainmask = ((dev->chainmask >> shift) & 964 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 965 else if (hweight8(tx_ant) == max_nss) 966 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 967 else 968 phy->mt76->chainmask = tx_ant << shift; 969 970 mt76_set_stream_caps(phy->mt76, true); 971 mt7996_set_stream_vht_txbf_caps(phy); 972 mt7996_set_stream_he_eht_caps(phy); 973 974 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 975 mutex_unlock(&dev->mt76.mutex); 976 977 return 0; 978 } 979 980 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 981 struct ieee80211_vif *vif, 982 struct ieee80211_sta *sta, 983 struct station_info *sinfo) 984 { 985 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 986 struct rate_info *txrate = &msta->wcid.rate; 987 988 if (txrate->legacy || txrate->flags) { 989 if (txrate->legacy) { 990 sinfo->txrate.legacy = txrate->legacy; 991 } else { 992 sinfo->txrate.mcs = txrate->mcs; 993 sinfo->txrate.nss = txrate->nss; 994 sinfo->txrate.bw = txrate->bw; 995 sinfo->txrate.he_gi = txrate->he_gi; 996 sinfo->txrate.he_dcm = txrate->he_dcm; 997 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 998 } 999 sinfo->txrate.flags = txrate->flags; 1000 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1001 } 1002 sinfo->txrate.flags = txrate->flags; 1003 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1004 1005 sinfo->ack_signal = (s8)msta->ack_signal; 1006 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1007 1008 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1009 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1010 } 1011 1012 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 1013 { 1014 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1015 struct mt7996_dev *dev = msta->vif->phy->dev; 1016 u32 *changed = data; 1017 1018 spin_lock_bh(&dev->mt76.sta_poll_lock); 1019 msta->changed |= *changed; 1020 if (list_empty(&msta->rc_list)) 1021 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1022 spin_unlock_bh(&dev->mt76.sta_poll_lock); 1023 } 1024 1025 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 1026 struct ieee80211_vif *vif, 1027 struct ieee80211_sta *sta, 1028 u32 changed) 1029 { 1030 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1031 struct mt7996_dev *dev = phy->dev; 1032 1033 mt7996_sta_rc_work(&changed, sta); 1034 ieee80211_queue_work(hw, &dev->rc_work); 1035 } 1036 1037 static int 1038 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1039 const struct cfg80211_bitrate_mask *mask) 1040 { 1041 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1042 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1043 struct mt7996_dev *dev = phy->dev; 1044 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1045 1046 mvif->bitrate_mask = *mask; 1047 1048 /* if multiple rates across different preambles are given we can 1049 * reconfigure this info with all peers using sta_rec command with 1050 * the below exception cases. 1051 * - single rate : if a rate is passed along with different preambles, 1052 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1053 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1054 * then multiple MCS setting (MCS 4,5,6) is not supported. 1055 */ 1056 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 1057 ieee80211_queue_work(hw, &dev->rc_work); 1058 1059 return 0; 1060 } 1061 1062 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 1063 struct ieee80211_vif *vif, 1064 struct ieee80211_sta *sta, 1065 bool enabled) 1066 { 1067 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1068 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1069 1070 if (enabled) 1071 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1072 else 1073 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1074 1075 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1076 } 1077 1078 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 1079 struct ieee80211_vif *vif, 1080 struct ieee80211_sta *sta, 1081 bool enabled) 1082 { 1083 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1084 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1085 1086 if (enabled) 1087 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1088 else 1089 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1090 1091 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1092 } 1093 1094 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1095 "tx_ampdu_cnt", 1096 "tx_stop_q_empty_cnt", 1097 "tx_mpdu_attempts", 1098 "tx_mpdu_success", 1099 "tx_rwp_fail_cnt", 1100 "tx_rwp_need_cnt", 1101 "tx_pkt_ebf_cnt", 1102 "tx_pkt_ibf_cnt", 1103 "tx_ampdu_len:0-1", 1104 "tx_ampdu_len:2-10", 1105 "tx_ampdu_len:11-19", 1106 "tx_ampdu_len:20-28", 1107 "tx_ampdu_len:29-37", 1108 "tx_ampdu_len:38-46", 1109 "tx_ampdu_len:47-55", 1110 "tx_ampdu_len:56-79", 1111 "tx_ampdu_len:80-103", 1112 "tx_ampdu_len:104-127", 1113 "tx_ampdu_len:128-151", 1114 "tx_ampdu_len:152-175", 1115 "tx_ampdu_len:176-199", 1116 "tx_ampdu_len:200-223", 1117 "tx_ampdu_len:224-247", 1118 "ba_miss_count", 1119 "tx_beamformer_ppdu_iBF", 1120 "tx_beamformer_ppdu_eBF", 1121 "tx_beamformer_rx_feedback_all", 1122 "tx_beamformer_rx_feedback_he", 1123 "tx_beamformer_rx_feedback_vht", 1124 "tx_beamformer_rx_feedback_ht", 1125 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1126 "tx_beamformer_rx_feedback_nc", 1127 "tx_beamformer_rx_feedback_nr", 1128 "tx_beamformee_ok_feedback_pkts", 1129 "tx_beamformee_feedback_trig", 1130 "tx_mu_beamforming", 1131 "tx_mu_mpdu", 1132 "tx_mu_successful_mpdu", 1133 "tx_su_successful_mpdu", 1134 "tx_msdu_pack_1", 1135 "tx_msdu_pack_2", 1136 "tx_msdu_pack_3", 1137 "tx_msdu_pack_4", 1138 "tx_msdu_pack_5", 1139 "tx_msdu_pack_6", 1140 "tx_msdu_pack_7", 1141 "tx_msdu_pack_8", 1142 1143 /* rx counters */ 1144 "rx_fifo_full_cnt", 1145 "rx_mpdu_cnt", 1146 "channel_idle_cnt", 1147 "rx_vector_mismatch_cnt", 1148 "rx_delimiter_fail_cnt", 1149 "rx_len_mismatch_cnt", 1150 "rx_ampdu_cnt", 1151 "rx_ampdu_bytes_cnt", 1152 "rx_ampdu_valid_subframe_cnt", 1153 "rx_ampdu_valid_subframe_b_cnt", 1154 "rx_pfdrop_cnt", 1155 "rx_vec_queue_overflow_drop_cnt", 1156 "rx_ba_cnt", 1157 1158 /* per vif counters */ 1159 "v_tx_mode_cck", 1160 "v_tx_mode_ofdm", 1161 "v_tx_mode_ht", 1162 "v_tx_mode_ht_gf", 1163 "v_tx_mode_vht", 1164 "v_tx_mode_he_su", 1165 "v_tx_mode_he_ext_su", 1166 "v_tx_mode_he_tb", 1167 "v_tx_mode_he_mu", 1168 "v_tx_mode_eht_su", 1169 "v_tx_mode_eht_trig", 1170 "v_tx_mode_eht_mu", 1171 "v_tx_bw_20", 1172 "v_tx_bw_40", 1173 "v_tx_bw_80", 1174 "v_tx_bw_160", 1175 "v_tx_bw_320", 1176 "v_tx_mcs_0", 1177 "v_tx_mcs_1", 1178 "v_tx_mcs_2", 1179 "v_tx_mcs_3", 1180 "v_tx_mcs_4", 1181 "v_tx_mcs_5", 1182 "v_tx_mcs_6", 1183 "v_tx_mcs_7", 1184 "v_tx_mcs_8", 1185 "v_tx_mcs_9", 1186 "v_tx_mcs_10", 1187 "v_tx_mcs_11", 1188 "v_tx_mcs_12", 1189 "v_tx_mcs_13", 1190 "v_tx_nss_1", 1191 "v_tx_nss_2", 1192 "v_tx_nss_3", 1193 "v_tx_nss_4", 1194 }; 1195 1196 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1197 1198 /* Ethtool related API */ 1199 static 1200 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1201 struct ieee80211_vif *vif, 1202 u32 sset, u8 *data) 1203 { 1204 if (sset == ETH_SS_STATS) 1205 memcpy(data, mt7996_gstrings_stats, 1206 sizeof(mt7996_gstrings_stats)); 1207 } 1208 1209 static 1210 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1211 struct ieee80211_vif *vif, int sset) 1212 { 1213 if (sset == ETH_SS_STATS) 1214 return MT7996_SSTATS_LEN; 1215 1216 return 0; 1217 } 1218 1219 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1220 { 1221 struct mt76_ethtool_worker_info *wi = wi_data; 1222 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1223 1224 if (msta->vif->mt76.idx != wi->idx) 1225 return; 1226 1227 mt76_ethtool_worker(wi, &msta->wcid.stats, true); 1228 } 1229 1230 static 1231 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1232 struct ieee80211_vif *vif, 1233 struct ethtool_stats *stats, u64 *data) 1234 { 1235 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1236 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1237 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1238 struct mt76_mib_stats *mib = &phy->mib; 1239 struct mt76_ethtool_worker_info wi = { 1240 .data = data, 1241 .idx = mvif->mt76.idx, 1242 }; 1243 /* See mt7996_ampdu_stat_read_phy, etc */ 1244 int i, ei = 0; 1245 1246 mutex_lock(&dev->mt76.mutex); 1247 1248 mt7996_mac_update_stats(phy); 1249 1250 data[ei++] = mib->tx_ampdu_cnt; 1251 data[ei++] = mib->tx_stop_q_empty_cnt; 1252 data[ei++] = mib->tx_mpdu_attempts_cnt; 1253 data[ei++] = mib->tx_mpdu_success_cnt; 1254 data[ei++] = mib->tx_rwp_fail_cnt; 1255 data[ei++] = mib->tx_rwp_need_cnt; 1256 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1257 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1258 1259 /* Tx ampdu stat */ 1260 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1261 data[ei++] = phy->mt76->aggr_stats[i]; 1262 data[ei++] = phy->mib.ba_miss_cnt; 1263 1264 /* Tx Beamformer monitor */ 1265 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1266 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1267 1268 /* Tx Beamformer Rx feedback monitor */ 1269 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1270 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1271 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1272 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1273 1274 data[ei++] = mib->tx_bf_rx_fb_bw; 1275 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1276 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1277 1278 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1279 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1280 data[ei++] = mib->tx_bf_fb_trig_cnt; 1281 1282 /* Tx SU & MU counters */ 1283 data[ei++] = mib->tx_mu_bf_cnt; 1284 data[ei++] = mib->tx_mu_mpdu_cnt; 1285 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1286 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1287 1288 /* Tx amsdu info (pack-count histogram) */ 1289 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1290 data[ei++] = mib->tx_amsdu[i]; 1291 1292 /* rx counters */ 1293 data[ei++] = mib->rx_fifo_full_cnt; 1294 data[ei++] = mib->rx_mpdu_cnt; 1295 data[ei++] = mib->channel_idle_cnt; 1296 data[ei++] = mib->rx_vector_mismatch_cnt; 1297 data[ei++] = mib->rx_delimiter_fail_cnt; 1298 data[ei++] = mib->rx_len_mismatch_cnt; 1299 data[ei++] = mib->rx_ampdu_cnt; 1300 data[ei++] = mib->rx_ampdu_bytes_cnt; 1301 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1302 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1303 data[ei++] = mib->rx_pfdrop_cnt; 1304 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1305 data[ei++] = mib->rx_ba_cnt; 1306 1307 /* Add values for all stations owned by this vif */ 1308 wi.initial_stat_idx = ei; 1309 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1310 1311 mutex_unlock(&dev->mt76.mutex); 1312 1313 if (wi.sta_count == 0) 1314 return; 1315 1316 ei += wi.worker_stat_count; 1317 if (ei != MT7996_SSTATS_LEN) 1318 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1319 ei, (int)MT7996_SSTATS_LEN); 1320 } 1321 1322 static void 1323 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1324 struct ieee80211_sta *sta, 1325 u8 flowid) 1326 { 1327 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1328 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1329 1330 mutex_lock(&dev->mt76.mutex); 1331 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1332 mutex_unlock(&dev->mt76.mutex); 1333 } 1334 1335 static int 1336 mt7996_set_radar_background(struct ieee80211_hw *hw, 1337 struct cfg80211_chan_def *chandef) 1338 { 1339 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1340 struct mt7996_dev *dev = phy->dev; 1341 int ret = -EINVAL; 1342 bool running; 1343 1344 mutex_lock(&dev->mt76.mutex); 1345 1346 if (dev->mt76.region == NL80211_DFS_UNSET) 1347 goto out; 1348 1349 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1350 /* rdd2 is already locked */ 1351 ret = -EBUSY; 1352 goto out; 1353 } 1354 1355 /* rdd2 already configured on a radar channel */ 1356 running = dev->rdd2_phy && 1357 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1358 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1359 1360 if (!chandef || running || 1361 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1362 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1363 if (ret) 1364 goto out; 1365 1366 if (!running) 1367 goto update_phy; 1368 } 1369 1370 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1371 if (ret) 1372 goto out; 1373 1374 update_phy: 1375 dev->rdd2_phy = chandef ? phy : NULL; 1376 if (chandef) 1377 dev->rdd2_chandef = *chandef; 1378 out: 1379 mutex_unlock(&dev->mt76.mutex); 1380 1381 return ret; 1382 } 1383 1384 const struct ieee80211_ops mt7996_ops = { 1385 .tx = mt7996_tx, 1386 .start = mt7996_start, 1387 .stop = mt7996_stop, 1388 .add_interface = mt7996_add_interface, 1389 .remove_interface = mt7996_remove_interface, 1390 .config = mt7996_config, 1391 .conf_tx = mt7996_conf_tx, 1392 .configure_filter = mt7996_configure_filter, 1393 .bss_info_changed = mt7996_bss_info_changed, 1394 .sta_add = mt7996_sta_add, 1395 .sta_remove = mt7996_sta_remove, 1396 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1397 .sta_rc_update = mt7996_sta_rc_update, 1398 .set_key = mt7996_set_key, 1399 .ampdu_action = mt7996_ampdu_action, 1400 .set_rts_threshold = mt7996_set_rts_threshold, 1401 .wake_tx_queue = mt76_wake_tx_queue, 1402 .sw_scan_start = mt76_sw_scan, 1403 .sw_scan_complete = mt76_sw_scan_complete, 1404 .release_buffered_frames = mt76_release_buffered_frames, 1405 .get_txpower = mt76_get_txpower, 1406 .channel_switch_beacon = mt7996_channel_switch_beacon, 1407 .get_stats = mt7996_get_stats, 1408 .get_et_sset_count = mt7996_get_et_sset_count, 1409 .get_et_stats = mt7996_get_et_stats, 1410 .get_et_strings = mt7996_get_et_strings, 1411 .get_tsf = mt7996_get_tsf, 1412 .set_tsf = mt7996_set_tsf, 1413 .offset_tsf = mt7996_offset_tsf, 1414 .get_survey = mt76_get_survey, 1415 .get_antenna = mt76_get_antenna, 1416 .set_antenna = mt7996_set_antenna, 1417 .set_bitrate_mask = mt7996_set_bitrate_mask, 1418 .set_coverage_class = mt7996_set_coverage_class, 1419 .sta_statistics = mt7996_sta_statistics, 1420 .sta_set_4addr = mt7996_sta_set_4addr, 1421 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1422 .add_twt_setup = mt7996_mac_add_twt_setup, 1423 .twt_teardown_request = mt7996_twt_teardown_request, 1424 #ifdef CONFIG_MAC80211_DEBUGFS 1425 .sta_add_debugfs = mt7996_sta_add_debugfs, 1426 #endif 1427 .set_radar_background = mt7996_set_radar_background, 1428 }; 1429