1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include <linux/etherdevice.h> 5 #include <linux/platform_device.h> 6 #include <linux/pci.h> 7 #include <linux/module.h> 8 #include "mt7915.h" 9 #include "mcu.h" 10 11 static bool mt7915_dev_running(struct mt7915_dev *dev) 12 { 13 struct mt7915_phy *phy; 14 15 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 16 return true; 17 18 phy = mt7915_ext_phy(dev); 19 20 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); 21 } 22 23 static int mt7915_start(struct ieee80211_hw *hw) 24 { 25 struct mt7915_dev *dev = mt7915_hw_dev(hw); 26 struct mt7915_phy *phy = mt7915_hw_phy(hw); 27 bool running; 28 int ret; 29 30 flush_work(&dev->init_work); 31 32 mutex_lock(&dev->mt76.mutex); 33 34 running = mt7915_dev_running(dev); 35 36 if (!running) { 37 ret = mt76_connac_mcu_set_pm(&dev->mt76, 0, 0); 38 if (ret) 39 goto out; 40 41 ret = mt7915_mcu_set_mac(dev, 0, true, true); 42 if (ret) 43 goto out; 44 45 mt7915_mac_enable_nf(dev, 0); 46 } 47 48 if (phy != &dev->phy || phy->band_idx) { 49 ret = mt76_connac_mcu_set_pm(&dev->mt76, 1, 0); 50 if (ret) 51 goto out; 52 53 ret = mt7915_mcu_set_mac(dev, 1, true, true); 54 if (ret) 55 goto out; 56 57 mt7915_mac_enable_nf(dev, 1); 58 } 59 60 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 61 phy != &dev->phy); 62 if (ret) 63 goto out; 64 65 ret = mt7915_mcu_set_sku_en(phy, true); 66 if (ret) 67 goto out; 68 69 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 70 if (ret) 71 goto out; 72 73 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 74 75 if (!mt76_testmode_enabled(phy->mt76)) 76 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 77 MT7915_WATCHDOG_TIME); 78 79 if (!running) 80 mt7915_mac_reset_counters(phy); 81 82 out: 83 mutex_unlock(&dev->mt76.mutex); 84 85 return ret; 86 } 87 88 static void mt7915_stop(struct ieee80211_hw *hw) 89 { 90 struct mt7915_dev *dev = mt7915_hw_dev(hw); 91 struct mt7915_phy *phy = mt7915_hw_phy(hw); 92 93 cancel_delayed_work_sync(&phy->mt76->mac_work); 94 95 mutex_lock(&dev->mt76.mutex); 96 97 mt76_testmode_reset(phy->mt76, true); 98 99 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 100 101 if (phy != &dev->phy) { 102 mt76_connac_mcu_set_pm(&dev->mt76, 1, 1); 103 mt7915_mcu_set_mac(dev, 1, false, false); 104 } 105 106 if (!mt7915_dev_running(dev)) { 107 mt76_connac_mcu_set_pm(&dev->mt76, 0, 1); 108 mt7915_mcu_set_mac(dev, 0, false, false); 109 } 110 111 mutex_unlock(&dev->mt76.mutex); 112 } 113 114 static inline int get_free_idx(u32 mask, u8 start, u8 end) 115 { 116 return ffs(~mask & GENMASK(end, start)); 117 } 118 119 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 120 { 121 int i; 122 123 switch (type) { 124 case NL80211_IFTYPE_MESH_POINT: 125 case NL80211_IFTYPE_ADHOC: 126 case NL80211_IFTYPE_STATION: 127 /* prefer hw bssid slot 1-3 */ 128 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 129 if (i) 130 return i - 1; 131 132 if (type != NL80211_IFTYPE_STATION) 133 break; 134 135 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 136 if (i) 137 return i - 1; 138 139 if (~mask & BIT(HW_BSSID_0)) 140 return HW_BSSID_0; 141 142 break; 143 case NL80211_IFTYPE_MONITOR: 144 case NL80211_IFTYPE_AP: 145 /* ap uses hw bssid 0 and ext bssid */ 146 if (~mask & BIT(HW_BSSID_0)) 147 return HW_BSSID_0; 148 149 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 150 if (i) 151 return i - 1; 152 153 break; 154 default: 155 WARN_ON(1); 156 break; 157 } 158 159 return -1; 160 } 161 162 static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif) 163 { 164 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 165 int i; 166 167 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 168 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 169 mvif->bitrate_mask.control[i].he_gi = 0xff; 170 mvif->bitrate_mask.control[i].he_ltf = 0xff; 171 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 172 memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff, 173 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 174 memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff, 175 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 176 memset(mvif->bitrate_mask.control[i].he_mcs, 0xff, 177 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 178 } 179 } 180 181 static int mt7915_add_interface(struct ieee80211_hw *hw, 182 struct ieee80211_vif *vif) 183 { 184 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 185 struct mt7915_dev *dev = mt7915_hw_dev(hw); 186 struct mt7915_phy *phy = mt7915_hw_phy(hw); 187 struct mt76_txq *mtxq; 188 bool ext_phy = phy != &dev->phy; 189 int idx, ret = 0; 190 191 mutex_lock(&dev->mt76.mutex); 192 193 mt76_testmode_reset(phy->mt76, true); 194 195 if (vif->type == NL80211_IFTYPE_MONITOR && 196 is_zero_ether_addr(vif->addr)) 197 phy->monitor_vif = vif; 198 199 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 200 if (mvif->mt76.idx >= (MT7915_MAX_INTERFACES << dev->dbdc_support)) { 201 ret = -ENOSPC; 202 goto out; 203 } 204 205 idx = get_omac_idx(vif->type, phy->omac_mask); 206 if (idx < 0) { 207 ret = -ENOSPC; 208 goto out; 209 } 210 mvif->mt76.omac_idx = idx; 211 mvif->phy = phy; 212 mvif->mt76.band_idx = phy->band_idx; 213 214 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; 215 if (ext_phy) 216 mvif->mt76.wmm_idx += 2; 217 218 ret = mt7915_mcu_add_dev_info(phy, vif, true); 219 if (ret) 220 goto out; 221 222 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 223 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 224 225 idx = MT7915_WTBL_RESERVED - mvif->mt76.idx; 226 227 INIT_LIST_HEAD(&mvif->sta.rc_list); 228 INIT_LIST_HEAD(&mvif->sta.poll_list); 229 mvif->sta.wcid.idx = idx; 230 mvif->sta.wcid.phy_idx = ext_phy; 231 mvif->sta.wcid.hw_key_idx = -1; 232 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 233 mt76_packet_id_init(&mvif->sta.wcid); 234 235 mt7915_mac_wtbl_update(dev, idx, 236 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 237 238 if (vif->txq) { 239 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 240 mtxq->wcid = idx; 241 } 242 243 if (vif->type != NL80211_IFTYPE_AP && 244 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 245 vif->offload_flags = 0; 246 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 247 248 mt7915_init_bitrate_mask(vif); 249 memset(&mvif->cap, -1, sizeof(mvif->cap)); 250 251 mt7915_mcu_add_bss_info(phy, vif, true); 252 mt7915_mcu_add_sta(dev, vif, NULL, true); 253 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 254 255 out: 256 mutex_unlock(&dev->mt76.mutex); 257 258 return ret; 259 } 260 261 static void mt7915_remove_interface(struct ieee80211_hw *hw, 262 struct ieee80211_vif *vif) 263 { 264 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 265 struct mt7915_sta *msta = &mvif->sta; 266 struct mt7915_dev *dev = mt7915_hw_dev(hw); 267 struct mt7915_phy *phy = mt7915_hw_phy(hw); 268 int idx = msta->wcid.idx; 269 270 mt7915_mcu_add_bss_info(phy, vif, false); 271 mt7915_mcu_add_sta(dev, vif, NULL, false); 272 273 mutex_lock(&dev->mt76.mutex); 274 mt76_testmode_reset(phy->mt76, true); 275 mutex_unlock(&dev->mt76.mutex); 276 277 if (vif == phy->monitor_vif) 278 phy->monitor_vif = NULL; 279 280 mt7915_mcu_add_dev_info(phy, vif, false); 281 282 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 283 284 mutex_lock(&dev->mt76.mutex); 285 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 286 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 287 mutex_unlock(&dev->mt76.mutex); 288 289 spin_lock_bh(&dev->sta_poll_lock); 290 if (!list_empty(&msta->poll_list)) 291 list_del_init(&msta->poll_list); 292 spin_unlock_bh(&dev->sta_poll_lock); 293 294 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 295 } 296 297 int mt7915_set_channel(struct mt7915_phy *phy) 298 { 299 struct mt7915_dev *dev = phy->dev; 300 int ret; 301 302 cancel_delayed_work_sync(&phy->mt76->mac_work); 303 304 mutex_lock(&dev->mt76.mutex); 305 set_bit(MT76_RESET, &phy->mt76->state); 306 307 mt76_set_channel(phy->mt76); 308 309 if (dev->flash_mode) { 310 ret = mt7915_mcu_apply_tx_dpd(phy); 311 if (ret) 312 goto out; 313 } 314 315 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 316 if (ret) 317 goto out; 318 319 mt7915_mac_set_timing(phy); 320 ret = mt7915_dfs_init_radar_detector(phy); 321 mt7915_mac_cca_stats_reset(phy); 322 323 mt7915_mac_reset_counters(phy); 324 phy->noise = 0; 325 326 out: 327 clear_bit(MT76_RESET, &phy->mt76->state); 328 mutex_unlock(&dev->mt76.mutex); 329 330 mt76_txq_schedule_all(phy->mt76); 331 332 if (!mt76_testmode_enabled(phy->mt76)) 333 ieee80211_queue_delayed_work(phy->mt76->hw, 334 &phy->mt76->mac_work, 335 MT7915_WATCHDOG_TIME); 336 337 return ret; 338 } 339 340 static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 341 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 342 struct ieee80211_key_conf *key) 343 { 344 struct mt7915_dev *dev = mt7915_hw_dev(hw); 345 struct mt7915_phy *phy = mt7915_hw_phy(hw); 346 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 347 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv : 348 &mvif->sta; 349 struct mt76_wcid *wcid = &msta->wcid; 350 u8 *wcid_keyidx = &wcid->hw_key_idx; 351 int idx = key->keyidx; 352 int err = 0; 353 354 /* The hardware does not support per-STA RX GTK, fallback 355 * to software mode for these. 356 */ 357 if ((vif->type == NL80211_IFTYPE_ADHOC || 358 vif->type == NL80211_IFTYPE_MESH_POINT) && 359 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 360 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 361 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 362 return -EOPNOTSUPP; 363 364 /* fall back to sw encryption for unsupported ciphers */ 365 switch (key->cipher) { 366 case WLAN_CIPHER_SUITE_AES_CMAC: 367 wcid_keyidx = &wcid->hw_key_idx2; 368 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 369 break; 370 case WLAN_CIPHER_SUITE_TKIP: 371 case WLAN_CIPHER_SUITE_CCMP: 372 case WLAN_CIPHER_SUITE_CCMP_256: 373 case WLAN_CIPHER_SUITE_GCMP: 374 case WLAN_CIPHER_SUITE_GCMP_256: 375 case WLAN_CIPHER_SUITE_SMS4: 376 break; 377 case WLAN_CIPHER_SUITE_WEP40: 378 case WLAN_CIPHER_SUITE_WEP104: 379 default: 380 return -EOPNOTSUPP; 381 } 382 383 mutex_lock(&dev->mt76.mutex); 384 385 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 386 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 387 mt7915_mcu_add_bss_info(phy, vif, true); 388 } 389 390 if (cmd == SET_KEY) 391 *wcid_keyidx = idx; 392 else if (idx == *wcid_keyidx) 393 *wcid_keyidx = -1; 394 else 395 goto out; 396 397 mt76_wcid_key_setup(&dev->mt76, wcid, 398 cmd == SET_KEY ? key : NULL); 399 400 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 401 key, MCU_EXT_CMD(STA_REC_UPDATE), 402 &msta->wcid, cmd); 403 out: 404 mutex_unlock(&dev->mt76.mutex); 405 406 return err; 407 } 408 409 static int mt7915_set_sar_specs(struct ieee80211_hw *hw, 410 const struct cfg80211_sar_specs *sar) 411 { 412 struct mt7915_phy *phy = mt7915_hw_phy(hw); 413 struct mt7915_dev *dev = mt7915_hw_dev(hw); 414 int err = -EINVAL; 415 416 mutex_lock(&dev->mt76.mutex); 417 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 418 goto out; 419 420 err = mt76_init_sar_power(hw, sar); 421 if (err) 422 goto out; 423 424 err = mt7915_mcu_set_txpower_sku(phy); 425 out: 426 mutex_unlock(&dev->mt76.mutex); 427 428 return err; 429 } 430 431 static int mt7915_config(struct ieee80211_hw *hw, u32 changed) 432 { 433 struct mt7915_dev *dev = mt7915_hw_dev(hw); 434 struct mt7915_phy *phy = mt7915_hw_phy(hw); 435 bool band = phy != &dev->phy; 436 int ret; 437 438 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 439 #ifdef CONFIG_NL80211_TESTMODE 440 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 441 mutex_lock(&dev->mt76.mutex); 442 mt76_testmode_reset(phy->mt76, false); 443 mutex_unlock(&dev->mt76.mutex); 444 } 445 #endif 446 ieee80211_stop_queues(hw); 447 ret = mt7915_set_channel(phy); 448 if (ret) 449 return ret; 450 ieee80211_wake_queues(hw); 451 } 452 453 if (changed & IEEE80211_CONF_CHANGE_POWER) { 454 ret = mt7915_mcu_set_txpower_sku(phy); 455 if (ret) 456 return ret; 457 } 458 459 mutex_lock(&dev->mt76.mutex); 460 461 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 462 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 463 464 if (!enabled) 465 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 466 else 467 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 468 469 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, 470 enabled); 471 mt76_testmode_reset(phy->mt76, true); 472 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 473 } 474 475 mutex_unlock(&dev->mt76.mutex); 476 477 return 0; 478 } 479 480 static int 481 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 482 unsigned int link_id, u16 queue, 483 const struct ieee80211_tx_queue_params *params) 484 { 485 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 486 487 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 488 queue = mt76_connac_lmac_mapping(queue); 489 mvif->queue_params[queue] = *params; 490 491 return 0; 492 } 493 494 static void mt7915_configure_filter(struct ieee80211_hw *hw, 495 unsigned int changed_flags, 496 unsigned int *total_flags, 497 u64 multicast) 498 { 499 struct mt7915_dev *dev = mt7915_hw_dev(hw); 500 struct mt7915_phy *phy = mt7915_hw_phy(hw); 501 bool band = phy != &dev->phy; 502 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 503 MT_WF_RFCR1_DROP_BF_POLL | 504 MT_WF_RFCR1_DROP_BA | 505 MT_WF_RFCR1_DROP_CFEND | 506 MT_WF_RFCR1_DROP_CFACK; 507 u32 flags = 0; 508 509 #define MT76_FILTER(_flag, _hw) do { \ 510 flags |= *total_flags & FIF_##_flag; \ 511 phy->rxfilter &= ~(_hw); \ 512 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 513 } while (0) 514 515 mutex_lock(&dev->mt76.mutex); 516 517 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 518 MT_WF_RFCR_DROP_OTHER_BEACON | 519 MT_WF_RFCR_DROP_FRAME_REPORT | 520 MT_WF_RFCR_DROP_PROBEREQ | 521 MT_WF_RFCR_DROP_MCAST_FILTERED | 522 MT_WF_RFCR_DROP_MCAST | 523 MT_WF_RFCR_DROP_BCAST | 524 MT_WF_RFCR_DROP_DUPLICATE | 525 MT_WF_RFCR_DROP_A2_BSSID | 526 MT_WF_RFCR_DROP_UNWANTED_CTL | 527 MT_WF_RFCR_DROP_STBC_MULTI); 528 529 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 530 MT_WF_RFCR_DROP_A3_MAC | 531 MT_WF_RFCR_DROP_A3_BSSID); 532 533 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 534 535 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 536 MT_WF_RFCR_DROP_RTS | 537 MT_WF_RFCR_DROP_CTL_RSV | 538 MT_WF_RFCR_DROP_NDPA); 539 540 *total_flags = flags; 541 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 542 543 if (*total_flags & FIF_CONTROL) 544 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 545 else 546 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 547 548 mutex_unlock(&dev->mt76.mutex); 549 } 550 551 static void 552 mt7915_update_bss_color(struct ieee80211_hw *hw, 553 struct ieee80211_vif *vif, 554 struct cfg80211_he_bss_color *bss_color) 555 { 556 struct mt7915_dev *dev = mt7915_hw_dev(hw); 557 558 switch (vif->type) { 559 case NL80211_IFTYPE_AP: { 560 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 561 562 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 563 return; 564 fallthrough; 565 } 566 case NL80211_IFTYPE_STATION: 567 mt7915_mcu_update_bss_color(dev, vif, bss_color); 568 break; 569 default: 570 break; 571 } 572 } 573 574 static void mt7915_bss_info_changed(struct ieee80211_hw *hw, 575 struct ieee80211_vif *vif, 576 struct ieee80211_bss_conf *info, 577 u64 changed) 578 { 579 struct mt7915_phy *phy = mt7915_hw_phy(hw); 580 struct mt7915_dev *dev = mt7915_hw_dev(hw); 581 582 mutex_lock(&dev->mt76.mutex); 583 584 /* 585 * station mode uses BSSID to map the wlan entry to a peer, 586 * and then peer references bss_info_rfch to set bandwidth cap. 587 */ 588 if (changed & BSS_CHANGED_BSSID && 589 vif->type == NL80211_IFTYPE_STATION) { 590 bool join = !is_zero_ether_addr(info->bssid); 591 592 mt7915_mcu_add_bss_info(phy, vif, join); 593 mt7915_mcu_add_sta(dev, vif, NULL, join); 594 } 595 596 if (changed & BSS_CHANGED_ASSOC) { 597 mt7915_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 598 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 599 } 600 601 if (changed & BSS_CHANGED_ERP_SLOT) { 602 int slottime = info->use_short_slot ? 9 : 20; 603 604 if (slottime != phy->slottime) { 605 phy->slottime = slottime; 606 mt7915_mac_set_timing(phy); 607 } 608 } 609 610 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 611 mt7915_mcu_add_bss_info(phy, vif, true); 612 mt7915_mcu_add_sta(dev, vif, NULL, true); 613 } 614 615 /* ensure that enable txcmd_mode after bss_info */ 616 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 617 mt7915_mcu_set_tx(dev, vif); 618 619 if (changed & BSS_CHANGED_HE_OBSS_PD) 620 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 621 622 if (changed & BSS_CHANGED_HE_BSS_COLOR) 623 mt7915_update_bss_color(hw, vif, &info->he_bss_color); 624 625 if (changed & (BSS_CHANGED_BEACON | 626 BSS_CHANGED_BEACON_ENABLED | 627 BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 628 BSS_CHANGED_FILS_DISCOVERY)) 629 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon, changed); 630 631 mutex_unlock(&dev->mt76.mutex); 632 } 633 634 static void 635 mt7915_channel_switch_beacon(struct ieee80211_hw *hw, 636 struct ieee80211_vif *vif, 637 struct cfg80211_chan_def *chandef) 638 { 639 struct mt7915_dev *dev = mt7915_hw_dev(hw); 640 641 mutex_lock(&dev->mt76.mutex); 642 mt7915_mcu_add_beacon(hw, vif, true, BSS_CHANGED_BEACON); 643 mutex_unlock(&dev->mt76.mutex); 644 } 645 646 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 647 struct ieee80211_sta *sta) 648 { 649 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 650 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 651 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 652 bool ext_phy = mvif->phy != &dev->phy; 653 int ret, idx; 654 655 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA); 656 if (idx < 0) 657 return -ENOSPC; 658 659 INIT_LIST_HEAD(&msta->rc_list); 660 INIT_LIST_HEAD(&msta->poll_list); 661 msta->vif = mvif; 662 msta->wcid.sta = 1; 663 msta->wcid.idx = idx; 664 msta->wcid.phy_idx = ext_phy; 665 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 666 msta->jiffies = jiffies; 667 668 mt7915_mac_wtbl_update(dev, idx, 669 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 670 671 ret = mt7915_mcu_add_sta(dev, vif, sta, true); 672 if (ret) 673 return ret; 674 675 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false); 676 } 677 678 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 679 struct ieee80211_sta *sta) 680 { 681 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 682 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 683 int i; 684 685 mt7915_mcu_add_sta(dev, vif, sta, false); 686 687 mt7915_mac_wtbl_update(dev, msta->wcid.idx, 688 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 689 690 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 691 mt7915_mac_twt_teardown_flow(dev, msta, i); 692 693 spin_lock_bh(&dev->sta_poll_lock); 694 if (!list_empty(&msta->poll_list)) 695 list_del_init(&msta->poll_list); 696 if (!list_empty(&msta->rc_list)) 697 list_del_init(&msta->rc_list); 698 spin_unlock_bh(&dev->sta_poll_lock); 699 } 700 701 static void mt7915_tx(struct ieee80211_hw *hw, 702 struct ieee80211_tx_control *control, 703 struct sk_buff *skb) 704 { 705 struct mt7915_dev *dev = mt7915_hw_dev(hw); 706 struct mt76_phy *mphy = hw->priv; 707 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 708 struct ieee80211_vif *vif = info->control.vif; 709 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 710 711 if (control->sta) { 712 struct mt7915_sta *sta; 713 714 sta = (struct mt7915_sta *)control->sta->drv_priv; 715 wcid = &sta->wcid; 716 } 717 718 if (vif && !control->sta) { 719 struct mt7915_vif *mvif; 720 721 mvif = (struct mt7915_vif *)vif->drv_priv; 722 wcid = &mvif->sta.wcid; 723 } 724 725 mt76_tx(mphy, control->sta, wcid, skb); 726 } 727 728 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 729 { 730 struct mt7915_dev *dev = mt7915_hw_dev(hw); 731 struct mt7915_phy *phy = mt7915_hw_phy(hw); 732 int ret; 733 734 mutex_lock(&dev->mt76.mutex); 735 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, phy != &dev->phy); 736 mutex_unlock(&dev->mt76.mutex); 737 738 return ret; 739 } 740 741 static int 742 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 743 struct ieee80211_ampdu_params *params) 744 { 745 enum ieee80211_ampdu_mlme_action action = params->action; 746 struct mt7915_dev *dev = mt7915_hw_dev(hw); 747 struct ieee80211_sta *sta = params->sta; 748 struct ieee80211_txq *txq = sta->txq[params->tid]; 749 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 750 u16 tid = params->tid; 751 u16 ssn = params->ssn; 752 struct mt76_txq *mtxq; 753 int ret = 0; 754 755 if (!txq) 756 return -EINVAL; 757 758 mtxq = (struct mt76_txq *)txq->drv_priv; 759 760 mutex_lock(&dev->mt76.mutex); 761 switch (action) { 762 case IEEE80211_AMPDU_RX_START: 763 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 764 params->buf_size); 765 ret = mt7915_mcu_add_rx_ba(dev, params, true); 766 break; 767 case IEEE80211_AMPDU_RX_STOP: 768 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 769 ret = mt7915_mcu_add_rx_ba(dev, params, false); 770 break; 771 case IEEE80211_AMPDU_TX_OPERATIONAL: 772 mtxq->aggr = true; 773 mtxq->send_bar = false; 774 ret = mt7915_mcu_add_tx_ba(dev, params, true); 775 break; 776 case IEEE80211_AMPDU_TX_STOP_FLUSH: 777 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 778 mtxq->aggr = false; 779 clear_bit(tid, &msta->ampdu_state); 780 ret = mt7915_mcu_add_tx_ba(dev, params, false); 781 break; 782 case IEEE80211_AMPDU_TX_START: 783 set_bit(tid, &msta->ampdu_state); 784 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 785 break; 786 case IEEE80211_AMPDU_TX_STOP_CONT: 787 mtxq->aggr = false; 788 clear_bit(tid, &msta->ampdu_state); 789 ret = mt7915_mcu_add_tx_ba(dev, params, false); 790 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 791 break; 792 } 793 mutex_unlock(&dev->mt76.mutex); 794 795 return ret; 796 } 797 798 static int 799 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 800 struct ieee80211_sta *sta) 801 { 802 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 803 IEEE80211_STA_NONE); 804 } 805 806 static int 807 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 808 struct ieee80211_sta *sta) 809 { 810 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 811 IEEE80211_STA_NOTEXIST); 812 } 813 814 static int 815 mt7915_get_stats(struct ieee80211_hw *hw, 816 struct ieee80211_low_level_stats *stats) 817 { 818 struct mt7915_phy *phy = mt7915_hw_phy(hw); 819 struct mt7915_dev *dev = mt7915_hw_dev(hw); 820 struct mib_stats *mib = &phy->mib; 821 822 mutex_lock(&dev->mt76.mutex); 823 824 stats->dot11RTSSuccessCount = mib->rts_cnt; 825 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 826 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 827 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 828 829 mutex_unlock(&dev->mt76.mutex); 830 831 return 0; 832 } 833 834 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif) 835 { 836 struct mt7915_dev *dev = mt7915_hw_dev(hw); 837 struct mt7915_phy *phy = mt7915_hw_phy(hw); 838 bool band = phy != &dev->phy; 839 union { 840 u64 t64; 841 u32 t32[2]; 842 } tsf; 843 u16 n; 844 845 lockdep_assert_held(&dev->mt76.mutex); 846 847 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 848 : mvif->mt76.omac_idx; 849 /* TSF software read */ 850 if (is_mt7915(&dev->mt76)) 851 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 852 MT_LPON_TCR_SW_READ); 853 else 854 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 855 MT_LPON_TCR_SW_READ); 856 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); 857 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); 858 859 return tsf.t64; 860 } 861 862 static u64 863 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 864 { 865 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 866 struct mt7915_dev *dev = mt7915_hw_dev(hw); 867 u64 ret; 868 869 mutex_lock(&dev->mt76.mutex); 870 ret = __mt7915_get_tsf(hw, mvif); 871 mutex_unlock(&dev->mt76.mutex); 872 873 return ret; 874 } 875 876 static void 877 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 878 u64 timestamp) 879 { 880 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 881 struct mt7915_dev *dev = mt7915_hw_dev(hw); 882 struct mt7915_phy *phy = mt7915_hw_phy(hw); 883 bool band = phy != &dev->phy; 884 union { 885 u64 t64; 886 u32 t32[2]; 887 } tsf = { .t64 = timestamp, }; 888 u16 n; 889 890 mutex_lock(&dev->mt76.mutex); 891 892 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 893 : mvif->mt76.omac_idx; 894 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 895 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 896 /* TSF software overwrite */ 897 if (is_mt7915(&dev->mt76)) 898 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 899 MT_LPON_TCR_SW_WRITE); 900 else 901 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 902 MT_LPON_TCR_SW_WRITE); 903 904 mutex_unlock(&dev->mt76.mutex); 905 } 906 907 static void 908 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 909 s64 timestamp) 910 { 911 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 912 struct mt7915_dev *dev = mt7915_hw_dev(hw); 913 struct mt7915_phy *phy = mt7915_hw_phy(hw); 914 bool band = phy != &dev->phy; 915 union { 916 u64 t64; 917 u32 t32[2]; 918 } tsf = { .t64 = timestamp, }; 919 u16 n; 920 921 mutex_lock(&dev->mt76.mutex); 922 923 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 924 : mvif->mt76.omac_idx; 925 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 926 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 927 /* TSF software adjust*/ 928 if (is_mt7915(&dev->mt76)) 929 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 930 MT_LPON_TCR_SW_ADJUST); 931 else 932 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 933 MT_LPON_TCR_SW_ADJUST); 934 935 mutex_unlock(&dev->mt76.mutex); 936 } 937 938 static void 939 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 940 { 941 struct mt7915_phy *phy = mt7915_hw_phy(hw); 942 struct mt7915_dev *dev = phy->dev; 943 944 mutex_lock(&dev->mt76.mutex); 945 phy->coverage_class = max_t(s16, coverage_class, 0); 946 mt7915_mac_set_timing(phy); 947 mutex_unlock(&dev->mt76.mutex); 948 } 949 950 static int 951 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 952 { 953 struct mt7915_dev *dev = mt7915_hw_dev(hw); 954 struct mt7915_phy *phy = mt7915_hw_phy(hw); 955 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 956 bool ext_phy = phy != &dev->phy; 957 958 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 959 return -EINVAL; 960 961 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 962 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 963 964 mutex_lock(&dev->mt76.mutex); 965 966 phy->mt76->antenna_mask = tx_ant; 967 968 if (ext_phy) 969 tx_ant <<= dev->chainshift; 970 971 phy->mt76->chainmask = tx_ant; 972 973 mt76_set_stream_caps(phy->mt76, true); 974 mt7915_set_stream_vht_txbf_caps(phy); 975 mt7915_set_stream_he_caps(phy); 976 977 mutex_unlock(&dev->mt76.mutex); 978 979 return 0; 980 } 981 982 static void mt7915_sta_statistics(struct ieee80211_hw *hw, 983 struct ieee80211_vif *vif, 984 struct ieee80211_sta *sta, 985 struct station_info *sinfo) 986 { 987 struct mt7915_phy *phy = mt7915_hw_phy(hw); 988 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 989 struct rate_info *txrate = &msta->wcid.rate; 990 struct rate_info rxrate = {}; 991 992 if (is_mt7915(&phy->dev->mt76) && 993 !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) { 994 sinfo->rxrate = rxrate; 995 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 996 } 997 998 if (!txrate->legacy && !txrate->flags) 999 return; 1000 1001 if (txrate->legacy) { 1002 sinfo->txrate.legacy = txrate->legacy; 1003 } else { 1004 sinfo->txrate.mcs = txrate->mcs; 1005 sinfo->txrate.nss = txrate->nss; 1006 sinfo->txrate.bw = txrate->bw; 1007 sinfo->txrate.he_gi = txrate->he_gi; 1008 sinfo->txrate.he_dcm = txrate->he_dcm; 1009 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1010 } 1011 sinfo->txrate.flags = txrate->flags; 1012 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1013 1014 /* offloading flows bypass networking stack, so driver counts and 1015 * reports sta statistics via NL80211_STA_INFO when WED is active. 1016 */ 1017 if (mtk_wed_device_active(&phy->dev->mt76.mmio.wed)) { 1018 sinfo->tx_bytes = msta->wcid.stats.tx_bytes; 1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); 1020 1021 sinfo->tx_packets = msta->wcid.stats.tx_packets; 1022 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); 1023 1024 sinfo->tx_failed = msta->wcid.stats.tx_failed; 1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 1026 1027 sinfo->tx_retries = msta->wcid.stats.tx_retries; 1028 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); 1029 } 1030 } 1031 1032 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) 1033 { 1034 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1035 struct mt7915_dev *dev = msta->vif->phy->dev; 1036 u32 *changed = data; 1037 1038 spin_lock_bh(&dev->sta_poll_lock); 1039 msta->changed |= *changed; 1040 if (list_empty(&msta->rc_list)) 1041 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1042 spin_unlock_bh(&dev->sta_poll_lock); 1043 } 1044 1045 static void mt7915_sta_rc_update(struct ieee80211_hw *hw, 1046 struct ieee80211_vif *vif, 1047 struct ieee80211_sta *sta, 1048 u32 changed) 1049 { 1050 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1051 struct mt7915_dev *dev = phy->dev; 1052 1053 mt7915_sta_rc_work(&changed, sta); 1054 ieee80211_queue_work(hw, &dev->rc_work); 1055 } 1056 1057 static int 1058 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1059 const struct cfg80211_bitrate_mask *mask) 1060 { 1061 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1062 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1063 struct mt7915_dev *dev = phy->dev; 1064 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1065 1066 mvif->bitrate_mask = *mask; 1067 1068 /* if multiple rates across different preambles are given we can 1069 * reconfigure this info with all peers using sta_rec command with 1070 * the below exception cases. 1071 * - single rate : if a rate is passed along with different preambles, 1072 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1073 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1074 * then multiple MCS setting (MCS 4,5,6) is not supported. 1075 */ 1076 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed); 1077 ieee80211_queue_work(hw, &dev->rc_work); 1078 1079 return 0; 1080 } 1081 1082 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw, 1083 struct ieee80211_vif *vif, 1084 struct ieee80211_sta *sta, 1085 bool enabled) 1086 { 1087 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1088 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1089 1090 if (enabled) 1091 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1092 else 1093 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1094 1095 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1096 } 1097 1098 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw, 1099 struct ieee80211_vif *vif, 1100 struct ieee80211_sta *sta, 1101 bool enabled) 1102 { 1103 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1104 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1105 1106 if (enabled) 1107 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1108 else 1109 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1110 1111 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1112 } 1113 1114 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = { 1115 "tx_ampdu_cnt", 1116 "tx_stop_q_empty_cnt", 1117 "tx_mpdu_attempts", 1118 "tx_mpdu_success", 1119 "tx_rwp_fail_cnt", 1120 "tx_rwp_need_cnt", 1121 "tx_pkt_ebf_cnt", 1122 "tx_pkt_ibf_cnt", 1123 "tx_ampdu_len:0-1", 1124 "tx_ampdu_len:2-10", 1125 "tx_ampdu_len:11-19", 1126 "tx_ampdu_len:20-28", 1127 "tx_ampdu_len:29-37", 1128 "tx_ampdu_len:38-46", 1129 "tx_ampdu_len:47-55", 1130 "tx_ampdu_len:56-79", 1131 "tx_ampdu_len:80-103", 1132 "tx_ampdu_len:104-127", 1133 "tx_ampdu_len:128-151", 1134 "tx_ampdu_len:152-175", 1135 "tx_ampdu_len:176-199", 1136 "tx_ampdu_len:200-223", 1137 "tx_ampdu_len:224-247", 1138 "ba_miss_count", 1139 "tx_beamformer_ppdu_iBF", 1140 "tx_beamformer_ppdu_eBF", 1141 "tx_beamformer_rx_feedback_all", 1142 "tx_beamformer_rx_feedback_he", 1143 "tx_beamformer_rx_feedback_vht", 1144 "tx_beamformer_rx_feedback_ht", 1145 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1146 "tx_beamformer_rx_feedback_nc", 1147 "tx_beamformer_rx_feedback_nr", 1148 "tx_beamformee_ok_feedback_pkts", 1149 "tx_beamformee_feedback_trig", 1150 "tx_mu_beamforming", 1151 "tx_mu_mpdu", 1152 "tx_mu_successful_mpdu", 1153 "tx_su_successful_mpdu", 1154 "tx_msdu_pack_1", 1155 "tx_msdu_pack_2", 1156 "tx_msdu_pack_3", 1157 "tx_msdu_pack_4", 1158 "tx_msdu_pack_5", 1159 "tx_msdu_pack_6", 1160 "tx_msdu_pack_7", 1161 "tx_msdu_pack_8", 1162 1163 /* rx counters */ 1164 "rx_fifo_full_cnt", 1165 "rx_mpdu_cnt", 1166 "channel_idle_cnt", 1167 "primary_cca_busy_time", 1168 "secondary_cca_busy_time", 1169 "primary_energy_detect_time", 1170 "cck_mdrdy_time", 1171 "ofdm_mdrdy_time", 1172 "green_mdrdy_time", 1173 "rx_vector_mismatch_cnt", 1174 "rx_delimiter_fail_cnt", 1175 "rx_mrdy_cnt", 1176 "rx_len_mismatch_cnt", 1177 "rx_ampdu_cnt", 1178 "rx_ampdu_bytes_cnt", 1179 "rx_ampdu_valid_subframe_cnt", 1180 "rx_ampdu_valid_subframe_b_cnt", 1181 "rx_pfdrop_cnt", 1182 "rx_vec_queue_overflow_drop_cnt", 1183 "rx_ba_cnt", 1184 1185 /* per vif counters */ 1186 "v_tx_mode_cck", 1187 "v_tx_mode_ofdm", 1188 "v_tx_mode_ht", 1189 "v_tx_mode_ht_gf", 1190 "v_tx_mode_vht", 1191 "v_tx_mode_he_su", 1192 "v_tx_mode_he_ext_su", 1193 "v_tx_mode_he_tb", 1194 "v_tx_mode_he_mu", 1195 "v_tx_bw_20", 1196 "v_tx_bw_40", 1197 "v_tx_bw_80", 1198 "v_tx_bw_160", 1199 "v_tx_mcs_0", 1200 "v_tx_mcs_1", 1201 "v_tx_mcs_2", 1202 "v_tx_mcs_3", 1203 "v_tx_mcs_4", 1204 "v_tx_mcs_5", 1205 "v_tx_mcs_6", 1206 "v_tx_mcs_7", 1207 "v_tx_mcs_8", 1208 "v_tx_mcs_9", 1209 "v_tx_mcs_10", 1210 "v_tx_mcs_11", 1211 }; 1212 1213 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats) 1214 1215 /* Ethtool related API */ 1216 static 1217 void mt7915_get_et_strings(struct ieee80211_hw *hw, 1218 struct ieee80211_vif *vif, 1219 u32 sset, u8 *data) 1220 { 1221 if (sset == ETH_SS_STATS) 1222 memcpy(data, *mt7915_gstrings_stats, 1223 sizeof(mt7915_gstrings_stats)); 1224 } 1225 1226 static 1227 int mt7915_get_et_sset_count(struct ieee80211_hw *hw, 1228 struct ieee80211_vif *vif, int sset) 1229 { 1230 if (sset == ETH_SS_STATS) 1231 return MT7915_SSTATS_LEN; 1232 1233 return 0; 1234 } 1235 1236 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1237 { 1238 struct mt76_ethtool_worker_info *wi = wi_data; 1239 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1240 1241 if (msta->vif->mt76.idx != wi->idx) 1242 return; 1243 1244 mt76_ethtool_worker(wi, &msta->wcid.stats); 1245 } 1246 1247 static 1248 void mt7915_get_et_stats(struct ieee80211_hw *hw, 1249 struct ieee80211_vif *vif, 1250 struct ethtool_stats *stats, u64 *data) 1251 { 1252 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1253 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1254 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1255 struct mt76_ethtool_worker_info wi = { 1256 .data = data, 1257 .idx = mvif->mt76.idx, 1258 }; 1259 struct mib_stats *mib = &phy->mib; 1260 /* See mt7915_ampdu_stat_read_phy, etc */ 1261 int i, n, ei = 0; 1262 1263 mutex_lock(&dev->mt76.mutex); 1264 1265 mt7915_mac_update_stats(phy); 1266 1267 data[ei++] = mib->tx_ampdu_cnt; 1268 data[ei++] = mib->tx_stop_q_empty_cnt; 1269 data[ei++] = mib->tx_mpdu_attempts_cnt; 1270 data[ei++] = mib->tx_mpdu_success_cnt; 1271 data[ei++] = mib->tx_rwp_fail_cnt; 1272 data[ei++] = mib->tx_rwp_need_cnt; 1273 data[ei++] = mib->tx_pkt_ebf_cnt; 1274 data[ei++] = mib->tx_pkt_ibf_cnt; 1275 1276 /* Tx ampdu stat */ 1277 n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 1278 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1279 data[ei++] = dev->mt76.aggr_stats[i + n]; 1280 1281 data[ei++] = phy->mib.ba_miss_cnt; 1282 1283 /* Tx Beamformer monitor */ 1284 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1285 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1286 1287 /* Tx Beamformer Rx feedback monitor */ 1288 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1289 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1290 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1291 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1292 1293 data[ei++] = mib->tx_bf_rx_fb_bw; 1294 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1295 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1296 1297 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1298 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1299 data[ei++] = mib->tx_bf_fb_trig_cnt; 1300 1301 /* Tx SU & MU counters */ 1302 data[ei++] = mib->tx_bf_cnt; 1303 data[ei++] = mib->tx_mu_mpdu_cnt; 1304 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1305 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1306 1307 /* Tx amsdu info (pack-count histogram) */ 1308 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1309 data[ei++] = mib->tx_amsdu[i]; 1310 1311 /* rx counters */ 1312 data[ei++] = mib->rx_fifo_full_cnt; 1313 data[ei++] = mib->rx_mpdu_cnt; 1314 data[ei++] = mib->channel_idle_cnt; 1315 data[ei++] = mib->primary_cca_busy_time; 1316 data[ei++] = mib->secondary_cca_busy_time; 1317 data[ei++] = mib->primary_energy_detect_time; 1318 data[ei++] = mib->cck_mdrdy_time; 1319 data[ei++] = mib->ofdm_mdrdy_time; 1320 data[ei++] = mib->green_mdrdy_time; 1321 data[ei++] = mib->rx_vector_mismatch_cnt; 1322 data[ei++] = mib->rx_delimiter_fail_cnt; 1323 data[ei++] = mib->rx_mrdy_cnt; 1324 data[ei++] = mib->rx_len_mismatch_cnt; 1325 data[ei++] = mib->rx_ampdu_cnt; 1326 data[ei++] = mib->rx_ampdu_bytes_cnt; 1327 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1328 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1329 data[ei++] = mib->rx_pfdrop_cnt; 1330 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1331 data[ei++] = mib->rx_ba_cnt; 1332 1333 /* Add values for all stations owned by this vif */ 1334 wi.initial_stat_idx = ei; 1335 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); 1336 1337 mutex_unlock(&dev->mt76.mutex); 1338 1339 if (wi.sta_count == 0) 1340 return; 1341 1342 ei += wi.worker_stat_count; 1343 if (ei != MT7915_SSTATS_LEN) 1344 dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d", 1345 ei, (int)MT7915_SSTATS_LEN); 1346 } 1347 1348 static void 1349 mt7915_twt_teardown_request(struct ieee80211_hw *hw, 1350 struct ieee80211_sta *sta, 1351 u8 flowid) 1352 { 1353 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1354 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1355 1356 mutex_lock(&dev->mt76.mutex); 1357 mt7915_mac_twt_teardown_flow(dev, msta, flowid); 1358 mutex_unlock(&dev->mt76.mutex); 1359 } 1360 1361 static int 1362 mt7915_set_radar_background(struct ieee80211_hw *hw, 1363 struct cfg80211_chan_def *chandef) 1364 { 1365 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1366 struct mt7915_dev *dev = phy->dev; 1367 int ret = -EINVAL; 1368 bool running; 1369 1370 mutex_lock(&dev->mt76.mutex); 1371 1372 if (dev->mt76.region == NL80211_DFS_UNSET) 1373 goto out; 1374 1375 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1376 /* rdd2 is already locked */ 1377 ret = -EBUSY; 1378 goto out; 1379 } 1380 1381 /* rdd2 already configured on a radar channel */ 1382 running = dev->rdd2_phy && 1383 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1384 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1385 1386 if (!chandef || running || 1387 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1388 ret = mt7915_mcu_rdd_background_enable(phy, NULL); 1389 if (ret) 1390 goto out; 1391 1392 if (!running) 1393 goto update_phy; 1394 } 1395 1396 ret = mt7915_mcu_rdd_background_enable(phy, chandef); 1397 if (ret) 1398 goto out; 1399 1400 update_phy: 1401 dev->rdd2_phy = chandef ? phy : NULL; 1402 if (chandef) 1403 dev->rdd2_chandef = *chandef; 1404 out: 1405 mutex_unlock(&dev->mt76.mutex); 1406 1407 return ret; 1408 } 1409 1410 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1411 static int 1412 mt7915_net_fill_forward_path(struct ieee80211_hw *hw, 1413 struct ieee80211_vif *vif, 1414 struct ieee80211_sta *sta, 1415 struct net_device_path_ctx *ctx, 1416 struct net_device_path *path) 1417 { 1418 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1419 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1420 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1421 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1422 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 1423 1424 if (!mtk_wed_device_active(wed)) 1425 return -ENODEV; 1426 1427 if (msta->wcid.idx > 0xff) 1428 return -EIO; 1429 1430 path->type = DEV_PATH_MTK_WDMA; 1431 path->dev = ctx->dev; 1432 path->mtk_wdma.wdma_idx = wed->wdma_idx; 1433 path->mtk_wdma.bss = mvif->mt76.idx; 1434 path->mtk_wdma.wcid = msta->wcid.idx; 1435 path->mtk_wdma.queue = phy != &dev->phy; 1436 1437 ctx->dev = NULL; 1438 1439 return 0; 1440 } 1441 #endif 1442 1443 const struct ieee80211_ops mt7915_ops = { 1444 .tx = mt7915_tx, 1445 .start = mt7915_start, 1446 .stop = mt7915_stop, 1447 .add_interface = mt7915_add_interface, 1448 .remove_interface = mt7915_remove_interface, 1449 .config = mt7915_config, 1450 .conf_tx = mt7915_conf_tx, 1451 .configure_filter = mt7915_configure_filter, 1452 .bss_info_changed = mt7915_bss_info_changed, 1453 .sta_add = mt7915_sta_add, 1454 .sta_remove = mt7915_sta_remove, 1455 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1456 .sta_rc_update = mt7915_sta_rc_update, 1457 .set_key = mt7915_set_key, 1458 .ampdu_action = mt7915_ampdu_action, 1459 .set_rts_threshold = mt7915_set_rts_threshold, 1460 .wake_tx_queue = mt76_wake_tx_queue, 1461 .sw_scan_start = mt76_sw_scan, 1462 .sw_scan_complete = mt76_sw_scan_complete, 1463 .release_buffered_frames = mt76_release_buffered_frames, 1464 .get_txpower = mt76_get_txpower, 1465 .set_sar_specs = mt7915_set_sar_specs, 1466 .channel_switch_beacon = mt7915_channel_switch_beacon, 1467 .get_stats = mt7915_get_stats, 1468 .get_et_sset_count = mt7915_get_et_sset_count, 1469 .get_et_stats = mt7915_get_et_stats, 1470 .get_et_strings = mt7915_get_et_strings, 1471 .get_tsf = mt7915_get_tsf, 1472 .set_tsf = mt7915_set_tsf, 1473 .offset_tsf = mt7915_offset_tsf, 1474 .get_survey = mt76_get_survey, 1475 .get_antenna = mt76_get_antenna, 1476 .set_antenna = mt7915_set_antenna, 1477 .set_bitrate_mask = mt7915_set_bitrate_mask, 1478 .set_coverage_class = mt7915_set_coverage_class, 1479 .sta_statistics = mt7915_sta_statistics, 1480 .sta_set_4addr = mt7915_sta_set_4addr, 1481 .sta_set_decap_offload = mt7915_sta_set_decap_offload, 1482 .add_twt_setup = mt7915_mac_add_twt_setup, 1483 .twt_teardown_request = mt7915_twt_teardown_request, 1484 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1485 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1486 #ifdef CONFIG_MAC80211_DEBUGFS 1487 .sta_add_debugfs = mt7915_sta_add_debugfs, 1488 #endif 1489 .set_radar_background = mt7915_set_radar_background, 1490 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1491 .net_fill_forward_path = mt7915_net_fill_forward_path, 1492 #endif 1493 }; 1494