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 161 mt7996_init_bitrate_mask(struct ieee80211_vif *vif, struct mt7996_vif_link *mlink) 162 { 163 int i; 164 165 for (i = 0; i < ARRAY_SIZE(mlink->bitrate_mask.control); i++) { 166 mlink->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 167 mlink->bitrate_mask.control[i].he_gi = 0xff; 168 mlink->bitrate_mask.control[i].he_ltf = 0xff; 169 mlink->bitrate_mask.control[i].legacy = GENMASK(31, 0); 170 memset(mlink->bitrate_mask.control[i].ht_mcs, 0xff, 171 sizeof(mlink->bitrate_mask.control[i].ht_mcs)); 172 memset(mlink->bitrate_mask.control[i].vht_mcs, 0xff, 173 sizeof(mlink->bitrate_mask.control[i].vht_mcs)); 174 memset(mlink->bitrate_mask.control[i].he_mcs, 0xff, 175 sizeof(mlink->bitrate_mask.control[i].he_mcs)); 176 } 177 } 178 179 static int 180 mt7996_vif_link_add(struct mt7996_phy *phy, struct ieee80211_vif *vif, 181 struct ieee80211_bss_conf *link_conf) 182 { 183 struct mt7996_dev *dev = phy->dev; 184 u8 band_idx = phy->mt76->band_idx; 185 struct mt7996_vif_link *mlink; 186 struct mt76_txq *mtxq; 187 int idx, ret; 188 189 mlink = mt7996_vif_conf_link(dev, vif, link_conf); 190 if (!mlink) 191 return -EINVAL; 192 193 mlink->mt76.idx = __ffs64(~dev->mt76.vif_mask); 194 if (mlink->mt76.idx >= mt7996_max_interface_num(dev)) 195 return -ENOSPC; 196 197 idx = get_omac_idx(vif->type, phy->omac_mask); 198 if (idx < 0) 199 return -ENOSPC; 200 201 mlink->mt76.omac_idx = idx; 202 mlink->phy = phy; 203 mlink->mt76.band_idx = band_idx; 204 mlink->mt76.wmm_idx = vif->type == NL80211_IFTYPE_AP ? 0 : 3; 205 mlink->mt76.wcid = &mlink->sta.wcid; 206 207 ret = mt7996_mcu_add_dev_info(phy, vif, link_conf, &mlink->mt76, true); 208 if (ret) 209 return ret; 210 211 dev->mt76.vif_mask |= BIT_ULL(mlink->mt76.idx); 212 phy->omac_mask |= BIT_ULL(mlink->mt76.omac_idx); 213 214 idx = MT7996_WTBL_RESERVED - mlink->mt76.idx; 215 216 INIT_LIST_HEAD(&mlink->sta.rc_list); 217 mlink->sta.wcid.idx = idx; 218 mlink->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 219 mt76_wcid_init(&mlink->sta.wcid, band_idx); 220 221 mt7996_mac_wtbl_update(dev, idx, 222 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 223 224 if (vif->txq) { 225 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 226 mtxq->wcid = idx; 227 } 228 229 if (vif->type != NL80211_IFTYPE_AP && 230 (!mlink->mt76.omac_idx || mlink->mt76.omac_idx > 3)) 231 vif->offload_flags = 0; 232 233 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 234 mlink->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4; 235 else 236 mlink->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL; 237 238 mt7996_init_bitrate_mask(vif, mlink); 239 240 mt7996_mcu_add_bss_info(phy, vif, link_conf, &mlink->mt76, true); 241 /* defer the first STA_REC of BMC entry to BSS_CHANGED_BSSID for STA 242 * interface, since firmware only records BSSID when the entry is new 243 */ 244 if (vif->type != NL80211_IFTYPE_STATION) 245 mt7996_mcu_add_sta(dev, vif, &mlink->mt76, NULL, 246 CONN_STATE_PORT_SECURE, true); 247 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->sta.wcid); 248 249 return 0; 250 } 251 252 static void 253 mt7996_vif_link_remove(struct mt7996_phy *phy, struct ieee80211_vif *vif, 254 struct ieee80211_bss_conf *link_conf) 255 { 256 struct mt7996_dev *dev = phy->dev; 257 struct mt7996_vif_link *mlink; 258 struct mt7996_sta *msta; 259 int idx; 260 261 mlink = mt7996_vif_conf_link(dev, vif, link_conf); 262 if (!mlink) 263 return; 264 265 mlink->phy = NULL; 266 msta = &mlink->sta; 267 idx = msta->wcid.idx; 268 mt7996_mcu_add_sta(dev, vif, &mlink->mt76, NULL, CONN_STATE_DISCONNECT, 269 false); 270 mt7996_mcu_add_bss_info(phy, vif, link_conf, &mlink->mt76, false); 271 272 mt7996_mcu_add_dev_info(phy, vif, link_conf, &mlink->mt76, false); 273 274 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 275 276 mutex_lock(&dev->mt76.mutex); 277 dev->mt76.vif_mask &= ~BIT_ULL(mlink->mt76.idx); 278 phy->omac_mask &= ~BIT_ULL(mlink->mt76.omac_idx); 279 mutex_unlock(&dev->mt76.mutex); 280 281 spin_lock_bh(&dev->mt76.sta_poll_lock); 282 if (!list_empty(&msta->wcid.poll_list)) 283 list_del_init(&msta->wcid.poll_list); 284 spin_unlock_bh(&dev->mt76.sta_poll_lock); 285 286 mt76_wcid_cleanup(&dev->mt76, &msta->wcid); 287 } 288 289 static int mt7996_add_interface(struct ieee80211_hw *hw, 290 struct ieee80211_vif *vif) 291 { 292 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 293 struct mt7996_dev *dev = mt7996_hw_dev(hw); 294 struct mt7996_phy *phy = mt7996_hw_phy(hw); 295 int ret = 0; 296 297 mutex_lock(&dev->mt76.mutex); 298 299 mt76_vif_init(vif, &mvif->mt76); 300 301 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 302 ret = mt7996_vif_link_add(phy, vif, &vif->bss_conf); 303 304 mutex_unlock(&dev->mt76.mutex); 305 306 return ret; 307 } 308 309 static void mt7996_remove_interface(struct ieee80211_hw *hw, 310 struct ieee80211_vif *vif) 311 { 312 struct mt7996_phy *phy = mt7996_hw_phy(hw); 313 struct mt7996_dev *dev = mt7996_hw_dev(hw); 314 315 mt7996_vif_link_remove(phy, vif, &vif->bss_conf); 316 mt76_vif_cleanup(&dev->mt76, vif); 317 } 318 319 int mt7996_set_channel(struct mt76_phy *mphy) 320 { 321 struct mt7996_phy *phy = mphy->priv; 322 int ret; 323 324 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH); 325 if (ret) 326 goto out; 327 328 ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH); 329 if (ret) 330 goto out; 331 332 ret = mt7996_dfs_init_radar_detector(phy); 333 mt7996_mac_cca_stats_reset(phy); 334 335 mt7996_mac_reset_counters(phy); 336 phy->noise = 0; 337 338 out: 339 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 340 MT7996_WATCHDOG_TIME); 341 342 return ret; 343 } 344 345 static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 346 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 347 struct ieee80211_key_conf *key) 348 { 349 struct mt7996_dev *dev = mt7996_hw_dev(hw); 350 struct mt7996_phy *phy = mt7996_hw_phy(hw); 351 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 352 struct mt7996_vif_link *mlink = &mvif->deflink; 353 struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv : 354 &mlink->sta; 355 struct mt76_wcid *wcid = &msta->wcid; 356 u8 *wcid_keyidx = &wcid->hw_key_idx; 357 int idx = key->keyidx; 358 int err = 0; 359 360 /* The hardware does not support per-STA RX GTK, fallback 361 * to software mode for these. 362 */ 363 if ((vif->type == NL80211_IFTYPE_ADHOC || 364 vif->type == NL80211_IFTYPE_MESH_POINT) && 365 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 366 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 367 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 368 return -EOPNOTSUPP; 369 370 if (sta && !wcid->sta) 371 return -EOPNOTSUPP; 372 373 /* fall back to sw encryption for unsupported ciphers */ 374 switch (key->cipher) { 375 case WLAN_CIPHER_SUITE_TKIP: 376 case WLAN_CIPHER_SUITE_CCMP: 377 case WLAN_CIPHER_SUITE_CCMP_256: 378 case WLAN_CIPHER_SUITE_GCMP: 379 case WLAN_CIPHER_SUITE_GCMP_256: 380 case WLAN_CIPHER_SUITE_SMS4: 381 break; 382 case WLAN_CIPHER_SUITE_AES_CMAC: 383 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 384 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 385 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 386 if (key->keyidx == 6 || key->keyidx == 7) { 387 wcid_keyidx = &wcid->hw_key_idx2; 388 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 389 break; 390 } 391 fallthrough; 392 case WLAN_CIPHER_SUITE_WEP40: 393 case WLAN_CIPHER_SUITE_WEP104: 394 default: 395 return -EOPNOTSUPP; 396 } 397 398 mutex_lock(&dev->mt76.mutex); 399 400 if (cmd == SET_KEY && !sta && !mlink->mt76.cipher) { 401 mlink->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 402 mt7996_mcu_add_bss_info(phy, vif, &vif->bss_conf, &mlink->mt76, 403 true); 404 } 405 406 if (cmd == SET_KEY) { 407 *wcid_keyidx = idx; 408 } else { 409 if (idx == *wcid_keyidx) 410 *wcid_keyidx = -1; 411 goto out; 412 } 413 414 mt76_wcid_key_setup(&dev->mt76, wcid, key); 415 416 if (key->keyidx == 6 || key->keyidx == 7) 417 err = mt7996_mcu_bcn_prot_enable(dev, vif, key); 418 else 419 err = mt7996_mcu_add_key(&dev->mt76, vif, key, 420 MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 421 &msta->wcid, cmd); 422 out: 423 mutex_unlock(&dev->mt76.mutex); 424 425 return err; 426 } 427 428 static int mt7996_config(struct ieee80211_hw *hw, u32 changed) 429 { 430 struct mt7996_dev *dev = mt7996_hw_dev(hw); 431 struct mt7996_phy *phy = mt7996_hw_phy(hw); 432 int ret; 433 434 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 435 ret = mt76_update_channel(phy->mt76); 436 if (ret) 437 return ret; 438 } 439 440 if (changed & (IEEE80211_CONF_CHANGE_POWER | 441 IEEE80211_CONF_CHANGE_CHANNEL)) { 442 ret = mt7996_mcu_set_txpower_sku(phy); 443 if (ret) 444 return ret; 445 } 446 447 mutex_lock(&dev->mt76.mutex); 448 449 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 450 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 451 452 if (!enabled) 453 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 454 else 455 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 456 457 mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx), 458 MT_DMA_DCR0_RXD_G5_EN, enabled); 459 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 460 } 461 462 mutex_unlock(&dev->mt76.mutex); 463 464 return 0; 465 } 466 467 static int 468 mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 469 unsigned int link_id, u16 queue, 470 const struct ieee80211_tx_queue_params *params) 471 { 472 struct mt7996_dev *dev = mt7996_hw_dev(hw); 473 struct mt7996_vif_link *mlink = mt7996_vif_link(dev, vif, link_id); 474 static const u8 mq_to_aci[] = { 475 [IEEE80211_AC_VO] = 3, 476 [IEEE80211_AC_VI] = 2, 477 [IEEE80211_AC_BE] = 0, 478 [IEEE80211_AC_BK] = 1, 479 }; 480 481 /* firmware uses access class index */ 482 mlink->queue_params[mq_to_aci[queue]] = *params; 483 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 484 485 return 0; 486 } 487 488 static void mt7996_configure_filter(struct ieee80211_hw *hw, 489 unsigned int changed_flags, 490 unsigned int *total_flags, 491 u64 multicast) 492 { 493 struct mt7996_dev *dev = mt7996_hw_dev(hw); 494 struct mt7996_phy *phy = mt7996_hw_phy(hw); 495 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 496 MT_WF_RFCR1_DROP_BF_POLL | 497 MT_WF_RFCR1_DROP_BA | 498 MT_WF_RFCR1_DROP_CFEND | 499 MT_WF_RFCR1_DROP_CFACK; 500 u32 flags = 0; 501 502 #define MT76_FILTER(_flag, _hw) do { \ 503 flags |= *total_flags & FIF_##_flag; \ 504 phy->rxfilter &= ~(_hw); \ 505 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 506 } while (0) 507 508 mutex_lock(&dev->mt76.mutex); 509 510 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 511 MT_WF_RFCR_DROP_OTHER_BEACON | 512 MT_WF_RFCR_DROP_FRAME_REPORT | 513 MT_WF_RFCR_DROP_PROBEREQ | 514 MT_WF_RFCR_DROP_MCAST_FILTERED | 515 MT_WF_RFCR_DROP_MCAST | 516 MT_WF_RFCR_DROP_BCAST | 517 MT_WF_RFCR_DROP_DUPLICATE | 518 MT_WF_RFCR_DROP_A2_BSSID | 519 MT_WF_RFCR_DROP_UNWANTED_CTL | 520 MT_WF_RFCR_DROP_STBC_MULTI); 521 522 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 523 MT_WF_RFCR_DROP_A3_MAC | 524 MT_WF_RFCR_DROP_A3_BSSID); 525 526 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 527 528 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 529 MT_WF_RFCR_DROP_RTS | 530 MT_WF_RFCR_DROP_CTL_RSV); 531 532 *total_flags = flags; 533 mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter); 534 535 if (*total_flags & FIF_CONTROL) 536 mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 537 else 538 mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags); 539 540 mutex_unlock(&dev->mt76.mutex); 541 } 542 543 static u8 544 mt7996_get_rates_table(struct mt7996_phy *phy, struct ieee80211_bss_conf *conf, 545 bool beacon, bool mcast) 546 { 547 struct mt7996_dev *dev = phy->dev; 548 struct mt76_vif_link *mvif = mt76_vif_conf_link(&dev->mt76, conf->vif, conf); 549 u16 rate; 550 u8 i, idx; 551 552 rate = mt76_connac2_mac_tx_rate_val(phy->mt76, conf, beacon, mcast); 553 554 if (beacon) { 555 /* odd index for driver, even index for firmware */ 556 idx = MT7996_BEACON_RATES_TBL + 2 * phy->mt76->band_idx; 557 if (phy->beacon_rate != rate) 558 mt7996_mcu_set_fixed_rate_table(phy, idx, rate, beacon); 559 560 return idx; 561 } 562 563 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 564 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 565 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 566 return MT7996_BASIC_RATES_TBL + 2 * i; 567 568 return mvif->basic_rates_idx; 569 } 570 571 static void 572 mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 573 struct ieee80211_bss_conf *info) 574 { 575 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 576 struct mt7996_dev *dev = mt7996_hw_dev(hw); 577 u8 band = mvif->deflink.mt76.band_idx; 578 u32 *mu; 579 580 mu = (u32 *)info->mu_group.membership; 581 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]); 582 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]); 583 584 mu = (u32 *)info->mu_group.position; 585 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]); 586 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]); 587 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]); 588 mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]); 589 } 590 591 static void mt7996_bss_info_changed(struct ieee80211_hw *hw, 592 struct ieee80211_vif *vif, 593 struct ieee80211_bss_conf *info, 594 u64 changed) 595 { 596 struct mt7996_phy *phy = mt7996_hw_phy(hw); 597 struct mt7996_dev *dev = mt7996_hw_dev(hw); 598 struct mt76_vif_link *mvif = mt76_vif_conf_link(&dev->mt76, vif, info); 599 600 mutex_lock(&dev->mt76.mutex); 601 602 /* station mode uses BSSID to map the wlan entry to a peer, 603 * and then peer references bss_info_rfch to set bandwidth cap. 604 */ 605 if ((changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) || 606 (changed & BSS_CHANGED_ASSOC && vif->cfg.assoc) || 607 (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon)) { 608 mt7996_mcu_add_bss_info(phy, vif, info, mvif, true); 609 mt7996_mcu_add_sta(dev, vif, mvif, NULL, CONN_STATE_PORT_SECURE, 610 !!(changed & BSS_CHANGED_BSSID)); 611 } 612 613 if (changed & BSS_CHANGED_ERP_CTS_PROT) 614 mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot); 615 616 if (changed & BSS_CHANGED_ERP_SLOT) { 617 int slottime = info->use_short_slot ? 9 : 20; 618 619 if (slottime != phy->slottime) { 620 phy->slottime = slottime; 621 mt7996_mcu_set_timing(phy, vif, info); 622 } 623 } 624 625 if (changed & BSS_CHANGED_MCAST_RATE) 626 mvif->mcast_rates_idx = 627 mt7996_get_rates_table(phy, info, false, true); 628 629 if (changed & BSS_CHANGED_BASIC_RATES) 630 mvif->basic_rates_idx = 631 mt7996_get_rates_table(phy, info, false, false); 632 633 /* ensure that enable txcmd_mode after bss_info */ 634 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 635 mt7996_mcu_set_tx(dev, vif, info); 636 637 if (changed & BSS_CHANGED_HE_OBSS_PD) 638 mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd); 639 640 if (changed & BSS_CHANGED_HE_BSS_COLOR) { 641 if ((vif->type == NL80211_IFTYPE_AP && 642 mvif->omac_idx <= HW_BSSID_MAX) || 643 vif->type == NL80211_IFTYPE_STATION) 644 mt7996_mcu_update_bss_color(dev, mvif, 645 &info->he_bss_color); 646 } 647 648 if (changed & (BSS_CHANGED_BEACON | 649 BSS_CHANGED_BEACON_ENABLED)) { 650 mvif->beacon_rates_idx = 651 mt7996_get_rates_table(phy, info, true, false); 652 653 mt7996_mcu_add_beacon(hw, vif, info); 654 } 655 656 if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 657 BSS_CHANGED_FILS_DISCOVERY)) 658 mt7996_mcu_beacon_inband_discov(dev, vif, changed); 659 660 if (changed & BSS_CHANGED_MU_GROUPS) 661 mt7996_update_mu_group(hw, vif, info); 662 663 mutex_unlock(&dev->mt76.mutex); 664 } 665 666 static void 667 mt7996_channel_switch_beacon(struct ieee80211_hw *hw, 668 struct ieee80211_vif *vif, 669 struct cfg80211_chan_def *chandef) 670 { 671 struct mt7996_dev *dev = mt7996_hw_dev(hw); 672 673 mutex_lock(&dev->mt76.mutex); 674 mt7996_mcu_add_beacon(hw, vif, &vif->bss_conf); 675 mutex_unlock(&dev->mt76.mutex); 676 } 677 678 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 679 struct ieee80211_sta *sta) 680 { 681 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 682 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 683 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 684 struct mt7996_vif_link *link = &mvif->deflink; 685 u8 band_idx = link->phy->mt76->band_idx; 686 int idx; 687 688 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); 689 if (idx < 0) 690 return -ENOSPC; 691 692 INIT_LIST_HEAD(&msta->rc_list); 693 INIT_LIST_HEAD(&msta->wcid.poll_list); 694 msta->vif = mvif; 695 msta->wcid.sta = 1; 696 msta->wcid.idx = idx; 697 msta->wcid.phy_idx = band_idx; 698 699 ewma_avg_signal_init(&msta->avg_ack_signal); 700 701 mt7996_mac_wtbl_update(dev, idx, 702 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 703 mt7996_mcu_add_sta(dev, vif, &link->mt76, sta, CONN_STATE_DISCONNECT, 704 true); 705 706 return 0; 707 } 708 709 int mt7996_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 710 struct ieee80211_sta *sta, enum mt76_sta_event ev) 711 { 712 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 713 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 714 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 715 struct mt7996_vif_link *link = &mvif->deflink; 716 int i, ret; 717 718 switch (ev) { 719 case MT76_STA_EVENT_ASSOC: 720 ret = mt7996_mcu_add_sta(dev, vif, &link->mt76, sta, 721 CONN_STATE_CONNECT, true); 722 if (ret) 723 return ret; 724 725 ret = mt7996_mcu_add_rate_ctrl(dev, vif, sta, false); 726 if (ret) 727 return ret; 728 729 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 730 msta->wcid.sta = 1; 731 732 return 0; 733 734 case MT76_STA_EVENT_AUTHORIZE: 735 return mt7996_mcu_add_sta(dev, vif, &link->mt76, sta, 736 CONN_STATE_PORT_SECURE, false); 737 738 case MT76_STA_EVENT_DISASSOC: 739 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 740 mt7996_mac_twt_teardown_flow(dev, msta, i); 741 742 mt7996_mcu_add_sta(dev, vif, &link->mt76, sta, 743 CONN_STATE_DISCONNECT, false); 744 msta->wcid.sta_disabled = 1; 745 msta->wcid.sta = 0; 746 747 return 0; 748 } 749 750 return 0; 751 } 752 753 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 754 struct ieee80211_sta *sta) 755 { 756 struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76); 757 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 758 759 mt7996_mac_wtbl_update(dev, msta->wcid.idx, 760 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 761 762 spin_lock_bh(&mdev->sta_poll_lock); 763 if (!list_empty(&msta->wcid.poll_list)) 764 list_del_init(&msta->wcid.poll_list); 765 if (!list_empty(&msta->rc_list)) 766 list_del_init(&msta->rc_list); 767 spin_unlock_bh(&mdev->sta_poll_lock); 768 } 769 770 static void mt7996_tx(struct ieee80211_hw *hw, 771 struct ieee80211_tx_control *control, 772 struct sk_buff *skb) 773 { 774 struct mt7996_dev *dev = mt7996_hw_dev(hw); 775 struct mt76_phy *mphy = hw->priv; 776 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 777 struct ieee80211_vif *vif = info->control.vif; 778 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 779 780 if (control->sta) { 781 struct mt7996_sta *sta; 782 783 sta = (struct mt7996_sta *)control->sta->drv_priv; 784 wcid = &sta->wcid; 785 } 786 787 if (vif && !control->sta) { 788 struct mt7996_vif *mvif; 789 790 mvif = (struct mt7996_vif *)vif->drv_priv; 791 wcid = &mvif->deflink.sta.wcid; 792 } 793 794 mt76_tx(mphy, control->sta, wcid, skb); 795 } 796 797 static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 798 { 799 struct mt7996_phy *phy = mt7996_hw_phy(hw); 800 int ret; 801 802 mutex_lock(&phy->dev->mt76.mutex); 803 ret = mt7996_mcu_set_rts_thresh(phy, val); 804 mutex_unlock(&phy->dev->mt76.mutex); 805 806 return ret; 807 } 808 809 static int 810 mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 811 struct ieee80211_ampdu_params *params) 812 { 813 enum ieee80211_ampdu_mlme_action action = params->action; 814 struct mt7996_dev *dev = mt7996_hw_dev(hw); 815 struct ieee80211_sta *sta = params->sta; 816 struct ieee80211_txq *txq = sta->txq[params->tid]; 817 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 818 u16 tid = params->tid; 819 u16 ssn = params->ssn; 820 struct mt76_txq *mtxq; 821 int ret = 0; 822 823 if (!txq) 824 return -EINVAL; 825 826 mtxq = (struct mt76_txq *)txq->drv_priv; 827 828 mutex_lock(&dev->mt76.mutex); 829 switch (action) { 830 case IEEE80211_AMPDU_RX_START: 831 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 832 params->buf_size); 833 ret = mt7996_mcu_add_rx_ba(dev, params, true); 834 break; 835 case IEEE80211_AMPDU_RX_STOP: 836 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 837 ret = mt7996_mcu_add_rx_ba(dev, params, false); 838 break; 839 case IEEE80211_AMPDU_TX_OPERATIONAL: 840 mtxq->aggr = true; 841 mtxq->send_bar = false; 842 ret = mt7996_mcu_add_tx_ba(dev, params, true); 843 break; 844 case IEEE80211_AMPDU_TX_STOP_FLUSH: 845 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 846 mtxq->aggr = false; 847 clear_bit(tid, &msta->wcid.ampdu_state); 848 ret = mt7996_mcu_add_tx_ba(dev, params, false); 849 break; 850 case IEEE80211_AMPDU_TX_START: 851 set_bit(tid, &msta->wcid.ampdu_state); 852 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 853 break; 854 case IEEE80211_AMPDU_TX_STOP_CONT: 855 mtxq->aggr = false; 856 clear_bit(tid, &msta->wcid.ampdu_state); 857 ret = mt7996_mcu_add_tx_ba(dev, params, false); 858 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 859 break; 860 } 861 mutex_unlock(&dev->mt76.mutex); 862 863 return ret; 864 } 865 866 static int 867 mt7996_get_stats(struct ieee80211_hw *hw, 868 struct ieee80211_low_level_stats *stats) 869 { 870 struct mt7996_phy *phy = mt7996_hw_phy(hw); 871 struct mt7996_dev *dev = mt7996_hw_dev(hw); 872 struct mt76_mib_stats *mib = &phy->mib; 873 874 mutex_lock(&dev->mt76.mutex); 875 876 stats->dot11RTSSuccessCount = mib->rts_cnt; 877 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 878 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 879 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 880 881 mutex_unlock(&dev->mt76.mutex); 882 883 return 0; 884 } 885 886 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif) 887 { 888 struct mt7996_dev *dev = mt7996_hw_dev(hw); 889 struct mt7996_phy *phy = mt7996_hw_phy(hw); 890 union { 891 u64 t64; 892 u32 t32[2]; 893 } tsf; 894 u16 n; 895 896 lockdep_assert_held(&dev->mt76.mutex); 897 898 n = mvif->deflink.mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 899 : mvif->deflink.mt76.omac_idx; 900 /* TSF software read */ 901 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 902 MT_LPON_TCR_SW_READ); 903 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx)); 904 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx)); 905 906 return tsf.t64; 907 } 908 909 static u64 910 mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 911 { 912 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 913 struct mt7996_dev *dev = mt7996_hw_dev(hw); 914 u64 ret; 915 916 mutex_lock(&dev->mt76.mutex); 917 ret = __mt7996_get_tsf(hw, mvif); 918 mutex_unlock(&dev->mt76.mutex); 919 920 return ret; 921 } 922 923 static void 924 mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 925 u64 timestamp) 926 { 927 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 928 struct mt7996_dev *dev = mt7996_hw_dev(hw); 929 struct mt7996_phy *phy = mt7996_hw_phy(hw); 930 union { 931 u64 t64; 932 u32 t32[2]; 933 } tsf = { .t64 = timestamp, }; 934 u16 n; 935 936 mutex_lock(&dev->mt76.mutex); 937 938 n = mvif->deflink.mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 939 : mvif->deflink.mt76.omac_idx; 940 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 941 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 942 /* TSF software overwrite */ 943 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 944 MT_LPON_TCR_SW_WRITE); 945 946 mutex_unlock(&dev->mt76.mutex); 947 } 948 949 static void 950 mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 951 s64 timestamp) 952 { 953 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 954 struct mt7996_dev *dev = mt7996_hw_dev(hw); 955 struct mt7996_phy *phy = mt7996_hw_phy(hw); 956 union { 957 u64 t64; 958 u32 t32[2]; 959 } tsf = { .t64 = timestamp, }; 960 u16 n; 961 962 mutex_lock(&dev->mt76.mutex); 963 964 n = mvif->deflink.mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 965 : mvif->deflink.mt76.omac_idx; 966 mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]); 967 mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]); 968 /* TSF software adjust*/ 969 mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE, 970 MT_LPON_TCR_SW_ADJUST); 971 972 mutex_unlock(&dev->mt76.mutex); 973 } 974 975 static void 976 mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 977 { 978 struct mt7996_phy *phy = mt7996_hw_phy(hw); 979 struct mt7996_dev *dev = phy->dev; 980 981 mutex_lock(&dev->mt76.mutex); 982 phy->coverage_class = max_t(s16, coverage_class, 0); 983 mt7996_mac_set_coverage_class(phy); 984 mutex_unlock(&dev->mt76.mutex); 985 } 986 987 static int 988 mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 989 { 990 struct mt7996_dev *dev = mt7996_hw_dev(hw); 991 struct mt7996_phy *phy = mt7996_hw_phy(hw); 992 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 993 u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx]; 994 995 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 996 return -EINVAL; 997 998 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 999 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1000 1001 mutex_lock(&dev->mt76.mutex); 1002 1003 phy->mt76->antenna_mask = tx_ant; 1004 1005 /* restore to the origin chainmask which might have auxiliary path */ 1006 if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2) 1007 phy->mt76->chainmask = ((dev->chainmask >> shift) & 1008 (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift; 1009 else if (hweight8(tx_ant) == max_nss) 1010 phy->mt76->chainmask = (dev->chainmask >> shift) << shift; 1011 else 1012 phy->mt76->chainmask = tx_ant << shift; 1013 1014 mt76_set_stream_caps(phy->mt76, true); 1015 mt7996_set_stream_vht_txbf_caps(phy); 1016 mt7996_set_stream_he_eht_caps(phy); 1017 mt7996_mcu_set_txpower_sku(phy); 1018 1019 mutex_unlock(&dev->mt76.mutex); 1020 1021 return 0; 1022 } 1023 1024 static void mt7996_sta_statistics(struct ieee80211_hw *hw, 1025 struct ieee80211_vif *vif, 1026 struct ieee80211_sta *sta, 1027 struct station_info *sinfo) 1028 { 1029 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1030 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1031 struct rate_info *txrate = &msta->wcid.rate; 1032 1033 if (txrate->legacy || txrate->flags) { 1034 if (txrate->legacy) { 1035 sinfo->txrate.legacy = txrate->legacy; 1036 } else { 1037 sinfo->txrate.mcs = txrate->mcs; 1038 sinfo->txrate.nss = txrate->nss; 1039 sinfo->txrate.bw = txrate->bw; 1040 sinfo->txrate.he_gi = txrate->he_gi; 1041 sinfo->txrate.he_dcm = txrate->he_dcm; 1042 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1043 sinfo->txrate.eht_gi = txrate->eht_gi; 1044 } 1045 sinfo->txrate.flags = txrate->flags; 1046 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1047 } 1048 sinfo->txrate.flags = txrate->flags; 1049 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1050 1051 sinfo->tx_failed = msta->wcid.stats.tx_failed; 1052 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1053 1054 sinfo->tx_retries = msta->wcid.stats.tx_retries; 1055 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 1056 1057 sinfo->ack_signal = (s8)msta->ack_signal; 1058 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1059 1060 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1061 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1062 1063 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) { 1064 sinfo->tx_bytes = msta->wcid.stats.tx_bytes; 1065 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); 1066 1067 sinfo->rx_bytes = msta->wcid.stats.rx_bytes; 1068 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); 1069 1070 sinfo->tx_packets = msta->wcid.stats.tx_packets; 1071 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); 1072 1073 sinfo->rx_packets = msta->wcid.stats.rx_packets; 1074 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); 1075 } 1076 } 1077 1078 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) 1079 { 1080 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1081 struct mt7996_dev *dev = msta->vif->deflink.phy->dev; 1082 u32 *changed = data; 1083 1084 spin_lock_bh(&dev->mt76.sta_poll_lock); 1085 msta->changed |= *changed; 1086 if (list_empty(&msta->rc_list)) 1087 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1088 spin_unlock_bh(&dev->mt76.sta_poll_lock); 1089 } 1090 1091 static void mt7996_sta_rc_update(struct ieee80211_hw *hw, 1092 struct ieee80211_vif *vif, 1093 struct ieee80211_link_sta *link_sta, 1094 u32 changed) 1095 { 1096 struct ieee80211_sta *sta = link_sta->sta; 1097 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1098 struct mt7996_dev *dev = phy->dev; 1099 1100 mt7996_sta_rc_work(&changed, sta); 1101 ieee80211_queue_work(hw, &dev->rc_work); 1102 } 1103 1104 static int 1105 mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1106 const struct cfg80211_bitrate_mask *mask) 1107 { 1108 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1109 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1110 struct mt7996_dev *dev = phy->dev; 1111 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1112 1113 mvif->deflink.bitrate_mask = *mask; 1114 1115 /* if multiple rates across different preambles are given we can 1116 * reconfigure this info with all peers using sta_rec command with 1117 * the below exception cases. 1118 * - single rate : if a rate is passed along with different preambles, 1119 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1120 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1121 * then multiple MCS setting (MCS 4,5,6) is not supported. 1122 */ 1123 ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed); 1124 ieee80211_queue_work(hw, &dev->rc_work); 1125 1126 return 0; 1127 } 1128 1129 static void mt7996_sta_set_4addr(struct ieee80211_hw *hw, 1130 struct ieee80211_vif *vif, 1131 struct ieee80211_sta *sta, 1132 bool enabled) 1133 { 1134 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1135 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1136 1137 if (enabled) 1138 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1139 else 1140 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1141 1142 if (!msta->wcid.sta) 1143 return; 1144 1145 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1146 } 1147 1148 static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw, 1149 struct ieee80211_vif *vif, 1150 struct ieee80211_sta *sta, 1151 bool enabled) 1152 { 1153 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1154 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1155 1156 if (enabled) 1157 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1158 else 1159 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1160 1161 if (!msta->wcid.sta) 1162 return; 1163 1164 mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1165 } 1166 1167 static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = { 1168 "tx_ampdu_cnt", 1169 "tx_stop_q_empty_cnt", 1170 "tx_mpdu_attempts", 1171 "tx_mpdu_success", 1172 "tx_rwp_fail_cnt", 1173 "tx_rwp_need_cnt", 1174 "tx_pkt_ebf_cnt", 1175 "tx_pkt_ibf_cnt", 1176 "tx_ampdu_len:0-1", 1177 "tx_ampdu_len:2-10", 1178 "tx_ampdu_len:11-19", 1179 "tx_ampdu_len:20-28", 1180 "tx_ampdu_len:29-37", 1181 "tx_ampdu_len:38-46", 1182 "tx_ampdu_len:47-55", 1183 "tx_ampdu_len:56-79", 1184 "tx_ampdu_len:80-103", 1185 "tx_ampdu_len:104-127", 1186 "tx_ampdu_len:128-151", 1187 "tx_ampdu_len:152-175", 1188 "tx_ampdu_len:176-199", 1189 "tx_ampdu_len:200-223", 1190 "tx_ampdu_len:224-247", 1191 "ba_miss_count", 1192 "tx_beamformer_ppdu_iBF", 1193 "tx_beamformer_ppdu_eBF", 1194 "tx_beamformer_rx_feedback_all", 1195 "tx_beamformer_rx_feedback_he", 1196 "tx_beamformer_rx_feedback_vht", 1197 "tx_beamformer_rx_feedback_ht", 1198 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1199 "tx_beamformer_rx_feedback_nc", 1200 "tx_beamformer_rx_feedback_nr", 1201 "tx_beamformee_ok_feedback_pkts", 1202 "tx_beamformee_feedback_trig", 1203 "tx_mu_beamforming", 1204 "tx_mu_mpdu", 1205 "tx_mu_successful_mpdu", 1206 "tx_su_successful_mpdu", 1207 "tx_msdu_pack_1", 1208 "tx_msdu_pack_2", 1209 "tx_msdu_pack_3", 1210 "tx_msdu_pack_4", 1211 "tx_msdu_pack_5", 1212 "tx_msdu_pack_6", 1213 "tx_msdu_pack_7", 1214 "tx_msdu_pack_8", 1215 1216 /* rx counters */ 1217 "rx_fifo_full_cnt", 1218 "rx_mpdu_cnt", 1219 "channel_idle_cnt", 1220 "rx_vector_mismatch_cnt", 1221 "rx_delimiter_fail_cnt", 1222 "rx_len_mismatch_cnt", 1223 "rx_ampdu_cnt", 1224 "rx_ampdu_bytes_cnt", 1225 "rx_ampdu_valid_subframe_cnt", 1226 "rx_ampdu_valid_subframe_b_cnt", 1227 "rx_pfdrop_cnt", 1228 "rx_vec_queue_overflow_drop_cnt", 1229 "rx_ba_cnt", 1230 1231 /* per vif counters */ 1232 "v_tx_mode_cck", 1233 "v_tx_mode_ofdm", 1234 "v_tx_mode_ht", 1235 "v_tx_mode_ht_gf", 1236 "v_tx_mode_vht", 1237 "v_tx_mode_he_su", 1238 "v_tx_mode_he_ext_su", 1239 "v_tx_mode_he_tb", 1240 "v_tx_mode_he_mu", 1241 "v_tx_mode_eht_su", 1242 "v_tx_mode_eht_trig", 1243 "v_tx_mode_eht_mu", 1244 "v_tx_bw_20", 1245 "v_tx_bw_40", 1246 "v_tx_bw_80", 1247 "v_tx_bw_160", 1248 "v_tx_bw_320", 1249 "v_tx_mcs_0", 1250 "v_tx_mcs_1", 1251 "v_tx_mcs_2", 1252 "v_tx_mcs_3", 1253 "v_tx_mcs_4", 1254 "v_tx_mcs_5", 1255 "v_tx_mcs_6", 1256 "v_tx_mcs_7", 1257 "v_tx_mcs_8", 1258 "v_tx_mcs_9", 1259 "v_tx_mcs_10", 1260 "v_tx_mcs_11", 1261 "v_tx_mcs_12", 1262 "v_tx_mcs_13", 1263 "v_tx_nss_1", 1264 "v_tx_nss_2", 1265 "v_tx_nss_3", 1266 "v_tx_nss_4", 1267 }; 1268 1269 #define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats) 1270 1271 /* Ethtool related API */ 1272 static 1273 void mt7996_get_et_strings(struct ieee80211_hw *hw, 1274 struct ieee80211_vif *vif, 1275 u32 sset, u8 *data) 1276 { 1277 if (sset == ETH_SS_STATS) 1278 memcpy(data, mt7996_gstrings_stats, 1279 sizeof(mt7996_gstrings_stats)); 1280 } 1281 1282 static 1283 int mt7996_get_et_sset_count(struct ieee80211_hw *hw, 1284 struct ieee80211_vif *vif, int sset) 1285 { 1286 if (sset == ETH_SS_STATS) 1287 return MT7996_SSTATS_LEN; 1288 1289 return 0; 1290 } 1291 1292 static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1293 { 1294 struct mt76_ethtool_worker_info *wi = wi_data; 1295 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1296 1297 if (msta->vif->deflink.mt76.idx != wi->idx) 1298 return; 1299 1300 mt76_ethtool_worker(wi, &msta->wcid.stats, true); 1301 } 1302 1303 static 1304 void mt7996_get_et_stats(struct ieee80211_hw *hw, 1305 struct ieee80211_vif *vif, 1306 struct ethtool_stats *stats, u64 *data) 1307 { 1308 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1309 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1310 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1311 struct mt76_mib_stats *mib = &phy->mib; 1312 struct mt76_ethtool_worker_info wi = { 1313 .data = data, 1314 .idx = mvif->deflink.mt76.idx, 1315 }; 1316 /* See mt7996_ampdu_stat_read_phy, etc */ 1317 int i, ei = 0; 1318 1319 mutex_lock(&dev->mt76.mutex); 1320 1321 mt7996_mac_update_stats(phy); 1322 1323 data[ei++] = mib->tx_ampdu_cnt; 1324 data[ei++] = mib->tx_stop_q_empty_cnt; 1325 data[ei++] = mib->tx_mpdu_attempts_cnt; 1326 data[ei++] = mib->tx_mpdu_success_cnt; 1327 data[ei++] = mib->tx_rwp_fail_cnt; 1328 data[ei++] = mib->tx_rwp_need_cnt; 1329 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1330 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1331 1332 /* Tx ampdu stat */ 1333 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1334 data[ei++] = phy->mt76->aggr_stats[i]; 1335 data[ei++] = phy->mib.ba_miss_cnt; 1336 1337 /* Tx Beamformer monitor */ 1338 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1339 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1340 1341 /* Tx Beamformer Rx feedback monitor */ 1342 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1343 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1344 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1345 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1346 1347 data[ei++] = mib->tx_bf_rx_fb_bw; 1348 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1349 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1350 1351 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1352 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1353 data[ei++] = mib->tx_bf_fb_trig_cnt; 1354 1355 /* Tx SU & MU counters */ 1356 data[ei++] = mib->tx_mu_bf_cnt; 1357 data[ei++] = mib->tx_mu_mpdu_cnt; 1358 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1359 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1360 1361 /* Tx amsdu info (pack-count histogram) */ 1362 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1363 data[ei++] = mib->tx_amsdu[i]; 1364 1365 /* rx counters */ 1366 data[ei++] = mib->rx_fifo_full_cnt; 1367 data[ei++] = mib->rx_mpdu_cnt; 1368 data[ei++] = mib->channel_idle_cnt; 1369 data[ei++] = mib->rx_vector_mismatch_cnt; 1370 data[ei++] = mib->rx_delimiter_fail_cnt; 1371 data[ei++] = mib->rx_len_mismatch_cnt; 1372 data[ei++] = mib->rx_ampdu_cnt; 1373 data[ei++] = mib->rx_ampdu_bytes_cnt; 1374 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1375 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1376 data[ei++] = mib->rx_pfdrop_cnt; 1377 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1378 data[ei++] = mib->rx_ba_cnt; 1379 1380 /* Add values for all stations owned by this vif */ 1381 wi.initial_stat_idx = ei; 1382 ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi); 1383 1384 mutex_unlock(&dev->mt76.mutex); 1385 1386 if (wi.sta_count == 0) 1387 return; 1388 1389 ei += wi.worker_stat_count; 1390 if (ei != MT7996_SSTATS_LEN) 1391 dev_err(dev->mt76.dev, "ei: %d MT7996_SSTATS_LEN: %d", 1392 ei, (int)MT7996_SSTATS_LEN); 1393 } 1394 1395 static void 1396 mt7996_twt_teardown_request(struct ieee80211_hw *hw, 1397 struct ieee80211_sta *sta, 1398 u8 flowid) 1399 { 1400 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1401 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1402 1403 mutex_lock(&dev->mt76.mutex); 1404 mt7996_mac_twt_teardown_flow(dev, msta, flowid); 1405 mutex_unlock(&dev->mt76.mutex); 1406 } 1407 1408 static int 1409 mt7996_set_radar_background(struct ieee80211_hw *hw, 1410 struct cfg80211_chan_def *chandef) 1411 { 1412 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1413 struct mt7996_dev *dev = phy->dev; 1414 int ret = -EINVAL; 1415 bool running; 1416 1417 mutex_lock(&dev->mt76.mutex); 1418 1419 if (dev->mt76.region == NL80211_DFS_UNSET) 1420 goto out; 1421 1422 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1423 /* rdd2 is already locked */ 1424 ret = -EBUSY; 1425 goto out; 1426 } 1427 1428 /* rdd2 already configured on a radar channel */ 1429 running = dev->rdd2_phy && 1430 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1431 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1432 1433 if (!chandef || running || 1434 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1435 ret = mt7996_mcu_rdd_background_enable(phy, NULL); 1436 if (ret) 1437 goto out; 1438 1439 if (!running) 1440 goto update_phy; 1441 } 1442 1443 ret = mt7996_mcu_rdd_background_enable(phy, chandef); 1444 if (ret) 1445 goto out; 1446 1447 update_phy: 1448 dev->rdd2_phy = chandef ? phy : NULL; 1449 if (chandef) 1450 dev->rdd2_chandef = *chandef; 1451 out: 1452 mutex_unlock(&dev->mt76.mutex); 1453 1454 return ret; 1455 } 1456 1457 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1458 static int 1459 mt7996_net_fill_forward_path(struct ieee80211_hw *hw, 1460 struct ieee80211_vif *vif, 1461 struct ieee80211_sta *sta, 1462 struct net_device_path_ctx *ctx, 1463 struct net_device_path *path) 1464 { 1465 struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; 1466 struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; 1467 struct mt7996_dev *dev = mt7996_hw_dev(hw); 1468 struct mt7996_phy *phy = mt7996_hw_phy(hw); 1469 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 1470 1471 if (phy != &dev->phy && phy->mt76->band_idx == MT_BAND2) 1472 wed = &dev->mt76.mmio.wed_hif2; 1473 1474 if (!mtk_wed_device_active(wed)) 1475 return -ENODEV; 1476 1477 if (!msta->wcid.sta || msta->wcid.idx > MT7996_WTBL_STA) 1478 return -EIO; 1479 1480 path->type = DEV_PATH_MTK_WDMA; 1481 path->dev = ctx->dev; 1482 path->mtk_wdma.wdma_idx = wed->wdma_idx; 1483 path->mtk_wdma.bss = mvif->deflink.mt76.idx; 1484 path->mtk_wdma.queue = 0; 1485 path->mtk_wdma.wcid = msta->wcid.idx; 1486 1487 path->mtk_wdma.amsdu = mtk_wed_is_amsdu_supported(wed); 1488 ctx->dev = NULL; 1489 1490 return 0; 1491 } 1492 1493 #endif 1494 1495 const struct ieee80211_ops mt7996_ops = { 1496 .add_chanctx = ieee80211_emulate_add_chanctx, 1497 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1498 .change_chanctx = ieee80211_emulate_change_chanctx, 1499 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1500 .tx = mt7996_tx, 1501 .start = mt7996_start, 1502 .stop = mt7996_stop, 1503 .add_interface = mt7996_add_interface, 1504 .remove_interface = mt7996_remove_interface, 1505 .config = mt7996_config, 1506 .conf_tx = mt7996_conf_tx, 1507 .configure_filter = mt7996_configure_filter, 1508 .bss_info_changed = mt7996_bss_info_changed, 1509 .sta_state = mt76_sta_state, 1510 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1511 .link_sta_rc_update = mt7996_sta_rc_update, 1512 .set_key = mt7996_set_key, 1513 .ampdu_action = mt7996_ampdu_action, 1514 .set_rts_threshold = mt7996_set_rts_threshold, 1515 .wake_tx_queue = mt76_wake_tx_queue, 1516 .hw_scan = mt76_hw_scan, 1517 .cancel_hw_scan = mt76_cancel_hw_scan, 1518 .release_buffered_frames = mt76_release_buffered_frames, 1519 .get_txpower = mt76_get_txpower, 1520 .channel_switch_beacon = mt7996_channel_switch_beacon, 1521 .get_stats = mt7996_get_stats, 1522 .get_et_sset_count = mt7996_get_et_sset_count, 1523 .get_et_stats = mt7996_get_et_stats, 1524 .get_et_strings = mt7996_get_et_strings, 1525 .get_tsf = mt7996_get_tsf, 1526 .set_tsf = mt7996_set_tsf, 1527 .offset_tsf = mt7996_offset_tsf, 1528 .get_survey = mt76_get_survey, 1529 .get_antenna = mt76_get_antenna, 1530 .set_antenna = mt7996_set_antenna, 1531 .set_bitrate_mask = mt7996_set_bitrate_mask, 1532 .set_coverage_class = mt7996_set_coverage_class, 1533 .sta_statistics = mt7996_sta_statistics, 1534 .sta_set_4addr = mt7996_sta_set_4addr, 1535 .sta_set_decap_offload = mt7996_sta_set_decap_offload, 1536 .add_twt_setup = mt7996_mac_add_twt_setup, 1537 .twt_teardown_request = mt7996_twt_teardown_request, 1538 #ifdef CONFIG_MAC80211_DEBUGFS 1539 .sta_add_debugfs = mt7996_sta_add_debugfs, 1540 #endif 1541 .set_radar_background = mt7996_set_radar_background, 1542 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1543 .net_fill_forward_path = mt7996_net_fill_forward_path, 1544 .net_setup_tc = mt76_wed_net_setup_tc, 1545 #endif 1546 }; 1547