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 ret = mt7915_mcu_set_scs(dev, 0, true); 46 if (ret) 47 goto out; 48 49 mt7915_mac_enable_nf(dev, 0); 50 } 51 52 if (phy != &dev->phy) { 53 ret = mt76_connac_mcu_set_pm(&dev->mt76, 1, 0); 54 if (ret) 55 goto out; 56 57 ret = mt7915_mcu_set_mac(dev, 1, true, true); 58 if (ret) 59 goto out; 60 61 ret = mt7915_mcu_set_scs(dev, 1, true); 62 if (ret) 63 goto out; 64 65 mt7915_mac_enable_nf(dev, 1); 66 } 67 68 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 69 phy != &dev->phy); 70 if (ret) 71 goto out; 72 73 ret = mt7915_mcu_set_sku_en(phy, true); 74 if (ret) 75 goto out; 76 77 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 78 if (ret) 79 goto out; 80 81 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 82 83 if (!mt76_testmode_enabled(phy->mt76)) 84 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 85 MT7915_WATCHDOG_TIME); 86 87 if (!running) 88 mt7915_mac_reset_counters(phy); 89 90 out: 91 mutex_unlock(&dev->mt76.mutex); 92 93 return ret; 94 } 95 96 static void mt7915_stop(struct ieee80211_hw *hw) 97 { 98 struct mt7915_dev *dev = mt7915_hw_dev(hw); 99 struct mt7915_phy *phy = mt7915_hw_phy(hw); 100 101 cancel_delayed_work_sync(&phy->mt76->mac_work); 102 103 mutex_lock(&dev->mt76.mutex); 104 105 mt76_testmode_reset(phy->mt76, true); 106 107 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 108 109 if (phy != &dev->phy) { 110 mt76_connac_mcu_set_pm(&dev->mt76, 1, 1); 111 mt7915_mcu_set_mac(dev, 1, false, false); 112 } 113 114 if (!mt7915_dev_running(dev)) { 115 mt76_connac_mcu_set_pm(&dev->mt76, 0, 1); 116 mt7915_mcu_set_mac(dev, 0, false, false); 117 } 118 119 mutex_unlock(&dev->mt76.mutex); 120 } 121 122 static inline int get_free_idx(u32 mask, u8 start, u8 end) 123 { 124 return ffs(~mask & GENMASK(end, start)); 125 } 126 127 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 128 { 129 int i; 130 131 switch (type) { 132 case NL80211_IFTYPE_MESH_POINT: 133 case NL80211_IFTYPE_ADHOC: 134 case NL80211_IFTYPE_STATION: 135 /* prefer hw bssid slot 1-3 */ 136 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 137 if (i) 138 return i - 1; 139 140 if (type != NL80211_IFTYPE_STATION) 141 break; 142 143 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 144 if (i) 145 return i - 1; 146 147 if (~mask & BIT(HW_BSSID_0)) 148 return HW_BSSID_0; 149 150 break; 151 case NL80211_IFTYPE_MONITOR: 152 case NL80211_IFTYPE_AP: 153 /* ap uses hw bssid 0 and ext bssid */ 154 if (~mask & BIT(HW_BSSID_0)) 155 return HW_BSSID_0; 156 157 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 158 if (i) 159 return i - 1; 160 161 break; 162 default: 163 WARN_ON(1); 164 break; 165 } 166 167 return -1; 168 } 169 170 static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif) 171 { 172 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 173 int i; 174 175 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 176 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 177 mvif->bitrate_mask.control[i].he_gi = GENMASK(7, 0); 178 mvif->bitrate_mask.control[i].he_ltf = GENMASK(7, 0); 179 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 180 memset(mvif->bitrate_mask.control[i].ht_mcs, GENMASK(7, 0), 181 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 182 memset(mvif->bitrate_mask.control[i].vht_mcs, GENMASK(15, 0), 183 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 184 memset(mvif->bitrate_mask.control[i].he_mcs, GENMASK(15, 0), 185 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 186 } 187 } 188 189 static int mt7915_add_interface(struct ieee80211_hw *hw, 190 struct ieee80211_vif *vif) 191 { 192 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 193 struct mt7915_dev *dev = mt7915_hw_dev(hw); 194 struct mt7915_phy *phy = mt7915_hw_phy(hw); 195 struct mt76_txq *mtxq; 196 bool ext_phy = phy != &dev->phy; 197 int idx, ret = 0; 198 199 mutex_lock(&dev->mt76.mutex); 200 201 mt76_testmode_reset(phy->mt76, true); 202 203 if (vif->type == NL80211_IFTYPE_MONITOR && 204 is_zero_ether_addr(vif->addr)) 205 phy->monitor_vif = vif; 206 207 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 208 if (mvif->mt76.idx >= MT7915_MAX_INTERFACES) { 209 ret = -ENOSPC; 210 goto out; 211 } 212 213 idx = get_omac_idx(vif->type, phy->omac_mask); 214 if (idx < 0) { 215 ret = -ENOSPC; 216 goto out; 217 } 218 mvif->mt76.omac_idx = idx; 219 mvif->phy = phy; 220 mvif->mt76.band_idx = ext_phy; 221 222 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; 223 if (ext_phy) 224 mvif->mt76.wmm_idx += 2; 225 226 ret = mt7915_mcu_add_dev_info(phy, vif, true); 227 if (ret) 228 goto out; 229 230 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 231 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 232 233 idx = MT7915_WTBL_RESERVED - mvif->mt76.idx; 234 235 INIT_LIST_HEAD(&mvif->sta.rc_list); 236 INIT_LIST_HEAD(&mvif->sta.poll_list); 237 mvif->sta.wcid.idx = idx; 238 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 239 mvif->sta.wcid.hw_key_idx = -1; 240 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 241 mt76_packet_id_init(&mvif->sta.wcid); 242 243 mt7915_mac_wtbl_update(dev, idx, 244 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 245 246 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 247 if (vif->txq) { 248 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 249 mtxq->wcid = &mvif->sta.wcid; 250 } 251 252 if (vif->type != NL80211_IFTYPE_AP && 253 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 254 vif->offload_flags = 0; 255 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 256 257 mt7915_init_bitrate_mask(vif); 258 memset(&mvif->cap, -1, sizeof(mvif->cap)); 259 260 mt7915_mcu_add_bss_info(phy, vif, true); 261 mt7915_mcu_add_sta(dev, vif, NULL, true); 262 263 out: 264 mutex_unlock(&dev->mt76.mutex); 265 266 return ret; 267 } 268 269 static void mt7915_remove_interface(struct ieee80211_hw *hw, 270 struct ieee80211_vif *vif) 271 { 272 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 273 struct mt7915_sta *msta = &mvif->sta; 274 struct mt7915_dev *dev = mt7915_hw_dev(hw); 275 struct mt7915_phy *phy = mt7915_hw_phy(hw); 276 int idx = msta->wcid.idx; 277 278 mt7915_mcu_add_bss_info(phy, vif, false); 279 mt7915_mcu_add_sta(dev, vif, NULL, false); 280 281 mutex_lock(&dev->mt76.mutex); 282 mt76_testmode_reset(phy->mt76, true); 283 mutex_unlock(&dev->mt76.mutex); 284 285 if (vif == phy->monitor_vif) 286 phy->monitor_vif = NULL; 287 288 mt7915_mcu_add_dev_info(phy, vif, false); 289 290 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 291 292 mutex_lock(&dev->mt76.mutex); 293 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 294 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 295 mutex_unlock(&dev->mt76.mutex); 296 297 spin_lock_bh(&dev->sta_poll_lock); 298 if (!list_empty(&msta->poll_list)) 299 list_del_init(&msta->poll_list); 300 spin_unlock_bh(&dev->sta_poll_lock); 301 302 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 303 } 304 305 int mt7915_set_channel(struct mt7915_phy *phy) 306 { 307 struct mt7915_dev *dev = phy->dev; 308 int ret; 309 310 cancel_delayed_work_sync(&phy->mt76->mac_work); 311 312 mutex_lock(&dev->mt76.mutex); 313 set_bit(MT76_RESET, &phy->mt76->state); 314 315 mt76_set_channel(phy->mt76); 316 317 if (dev->flash_mode) { 318 ret = mt7915_mcu_apply_tx_dpd(phy); 319 if (ret) 320 goto out; 321 } 322 323 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 324 if (ret) 325 goto out; 326 327 mt7915_mac_set_timing(phy); 328 ret = mt7915_dfs_init_radar_detector(phy); 329 mt7915_mac_cca_stats_reset(phy); 330 331 mt7915_mac_reset_counters(phy); 332 phy->noise = 0; 333 334 out: 335 clear_bit(MT76_RESET, &phy->mt76->state); 336 mutex_unlock(&dev->mt76.mutex); 337 338 mt76_txq_schedule_all(phy->mt76); 339 340 if (!mt76_testmode_enabled(phy->mt76)) 341 ieee80211_queue_delayed_work(phy->mt76->hw, 342 &phy->mt76->mac_work, 343 MT7915_WATCHDOG_TIME); 344 345 return ret; 346 } 347 348 static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 349 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 350 struct ieee80211_key_conf *key) 351 { 352 struct mt7915_dev *dev = mt7915_hw_dev(hw); 353 struct mt7915_phy *phy = mt7915_hw_phy(hw); 354 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 355 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv : 356 &mvif->sta; 357 struct mt76_wcid *wcid = &msta->wcid; 358 u8 *wcid_keyidx = &wcid->hw_key_idx; 359 int idx = key->keyidx; 360 int err = 0; 361 362 /* The hardware does not support per-STA RX GTK, fallback 363 * to software mode for these. 364 */ 365 if ((vif->type == NL80211_IFTYPE_ADHOC || 366 vif->type == NL80211_IFTYPE_MESH_POINT) && 367 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 368 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 369 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 370 return -EOPNOTSUPP; 371 372 /* fall back to sw encryption for unsupported ciphers */ 373 switch (key->cipher) { 374 case WLAN_CIPHER_SUITE_AES_CMAC: 375 wcid_keyidx = &wcid->hw_key_idx2; 376 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 377 break; 378 case WLAN_CIPHER_SUITE_TKIP: 379 case WLAN_CIPHER_SUITE_CCMP: 380 case WLAN_CIPHER_SUITE_CCMP_256: 381 case WLAN_CIPHER_SUITE_GCMP: 382 case WLAN_CIPHER_SUITE_GCMP_256: 383 case WLAN_CIPHER_SUITE_SMS4: 384 break; 385 case WLAN_CIPHER_SUITE_WEP40: 386 case WLAN_CIPHER_SUITE_WEP104: 387 default: 388 return -EOPNOTSUPP; 389 } 390 391 mutex_lock(&dev->mt76.mutex); 392 393 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 394 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 395 mt7915_mcu_add_bss_info(phy, vif, true); 396 } 397 398 if (cmd == SET_KEY) 399 *wcid_keyidx = idx; 400 else if (idx == *wcid_keyidx) 401 *wcid_keyidx = -1; 402 else 403 goto out; 404 405 mt76_wcid_key_setup(&dev->mt76, wcid, 406 cmd == SET_KEY ? key : NULL); 407 408 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 409 key, MCU_EXT_CMD(STA_REC_UPDATE), 410 &msta->wcid, cmd); 411 out: 412 mutex_unlock(&dev->mt76.mutex); 413 414 return err; 415 } 416 417 static int mt7915_set_sar_specs(struct ieee80211_hw *hw, 418 const struct cfg80211_sar_specs *sar) 419 { 420 struct mt7915_phy *phy = mt7915_hw_phy(hw); 421 struct mt7915_dev *dev = mt7915_hw_dev(hw); 422 int err = -EINVAL; 423 424 mutex_lock(&dev->mt76.mutex); 425 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 426 goto out; 427 428 err = mt76_init_sar_power(hw, sar); 429 if (err) 430 goto out; 431 432 err = mt7915_mcu_set_txpower_sku(phy); 433 out: 434 mutex_unlock(&dev->mt76.mutex); 435 436 return err; 437 } 438 439 static int mt7915_config(struct ieee80211_hw *hw, u32 changed) 440 { 441 struct mt7915_dev *dev = mt7915_hw_dev(hw); 442 struct mt7915_phy *phy = mt7915_hw_phy(hw); 443 bool band = phy != &dev->phy; 444 int ret; 445 446 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 447 #ifdef CONFIG_NL80211_TESTMODE 448 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 449 mutex_lock(&dev->mt76.mutex); 450 mt76_testmode_reset(phy->mt76, false); 451 mutex_unlock(&dev->mt76.mutex); 452 } 453 #endif 454 ieee80211_stop_queues(hw); 455 ret = mt7915_set_channel(phy); 456 if (ret) 457 return ret; 458 ieee80211_wake_queues(hw); 459 } 460 461 if (changed & IEEE80211_CONF_CHANGE_POWER) { 462 ret = mt7915_mcu_set_txpower_sku(phy); 463 if (ret) 464 return ret; 465 } 466 467 mutex_lock(&dev->mt76.mutex); 468 469 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 470 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 471 472 if (!enabled) 473 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 474 else 475 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 476 477 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, 478 enabled); 479 mt76_testmode_reset(phy->mt76, true); 480 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 481 } 482 483 mutex_unlock(&dev->mt76.mutex); 484 485 return 0; 486 } 487 488 static int 489 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 490 const struct ieee80211_tx_queue_params *params) 491 { 492 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 493 494 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 495 queue = mt76_connac_lmac_mapping(queue); 496 mvif->queue_params[queue] = *params; 497 498 return 0; 499 } 500 501 static void mt7915_configure_filter(struct ieee80211_hw *hw, 502 unsigned int changed_flags, 503 unsigned int *total_flags, 504 u64 multicast) 505 { 506 struct mt7915_dev *dev = mt7915_hw_dev(hw); 507 struct mt7915_phy *phy = mt7915_hw_phy(hw); 508 bool band = phy != &dev->phy; 509 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 510 MT_WF_RFCR1_DROP_BF_POLL | 511 MT_WF_RFCR1_DROP_BA | 512 MT_WF_RFCR1_DROP_CFEND | 513 MT_WF_RFCR1_DROP_CFACK; 514 u32 flags = 0; 515 516 #define MT76_FILTER(_flag, _hw) do { \ 517 flags |= *total_flags & FIF_##_flag; \ 518 phy->rxfilter &= ~(_hw); \ 519 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 520 } while (0) 521 522 mutex_lock(&dev->mt76.mutex); 523 524 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 525 MT_WF_RFCR_DROP_OTHER_BEACON | 526 MT_WF_RFCR_DROP_FRAME_REPORT | 527 MT_WF_RFCR_DROP_PROBEREQ | 528 MT_WF_RFCR_DROP_MCAST_FILTERED | 529 MT_WF_RFCR_DROP_MCAST | 530 MT_WF_RFCR_DROP_BCAST | 531 MT_WF_RFCR_DROP_DUPLICATE | 532 MT_WF_RFCR_DROP_A2_BSSID | 533 MT_WF_RFCR_DROP_UNWANTED_CTL | 534 MT_WF_RFCR_DROP_STBC_MULTI); 535 536 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 537 MT_WF_RFCR_DROP_A3_MAC | 538 MT_WF_RFCR_DROP_A3_BSSID); 539 540 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 541 542 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 543 MT_WF_RFCR_DROP_RTS | 544 MT_WF_RFCR_DROP_CTL_RSV | 545 MT_WF_RFCR_DROP_NDPA); 546 547 *total_flags = flags; 548 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 549 550 if (*total_flags & FIF_CONTROL) 551 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 552 else 553 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 554 555 mutex_unlock(&dev->mt76.mutex); 556 } 557 558 static void 559 mt7915_update_bss_color(struct ieee80211_hw *hw, 560 struct ieee80211_vif *vif, 561 struct cfg80211_he_bss_color *bss_color) 562 { 563 struct mt7915_dev *dev = mt7915_hw_dev(hw); 564 565 switch (vif->type) { 566 case NL80211_IFTYPE_AP: { 567 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 568 569 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 570 return; 571 fallthrough; 572 } 573 case NL80211_IFTYPE_STATION: 574 mt7915_mcu_update_bss_color(dev, vif, bss_color); 575 break; 576 default: 577 break; 578 } 579 } 580 581 static void mt7915_bss_info_changed(struct ieee80211_hw *hw, 582 struct ieee80211_vif *vif, 583 struct ieee80211_bss_conf *info, 584 u32 changed) 585 { 586 struct mt7915_phy *phy = mt7915_hw_phy(hw); 587 struct mt7915_dev *dev = mt7915_hw_dev(hw); 588 589 mutex_lock(&dev->mt76.mutex); 590 591 /* 592 * station mode uses BSSID to map the wlan entry to a peer, 593 * and then peer references bss_info_rfch to set bandwidth cap. 594 */ 595 if (changed & BSS_CHANGED_BSSID && 596 vif->type == NL80211_IFTYPE_STATION) { 597 bool join = !is_zero_ether_addr(info->bssid); 598 599 mt7915_mcu_add_bss_info(phy, vif, join); 600 mt7915_mcu_add_sta(dev, vif, NULL, join); 601 } 602 603 if (changed & BSS_CHANGED_ASSOC) { 604 mt7915_mcu_add_bss_info(phy, vif, info->assoc); 605 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 606 } 607 608 if (changed & BSS_CHANGED_ERP_SLOT) { 609 int slottime = info->use_short_slot ? 9 : 20; 610 611 if (slottime != phy->slottime) { 612 phy->slottime = slottime; 613 mt7915_mac_set_timing(phy); 614 } 615 } 616 617 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 618 mt7915_mcu_add_bss_info(phy, vif, true); 619 mt7915_mcu_add_sta(dev, vif, NULL, true); 620 } 621 622 /* ensure that enable txcmd_mode after bss_info */ 623 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 624 mt7915_mcu_set_tx(dev, vif); 625 626 if (changed & BSS_CHANGED_HE_OBSS_PD) 627 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 628 629 if (changed & BSS_CHANGED_HE_BSS_COLOR) 630 mt7915_update_bss_color(hw, vif, &info->he_bss_color); 631 632 if (changed & (BSS_CHANGED_BEACON | 633 BSS_CHANGED_BEACON_ENABLED)) 634 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon); 635 636 mutex_unlock(&dev->mt76.mutex); 637 } 638 639 static void 640 mt7915_channel_switch_beacon(struct ieee80211_hw *hw, 641 struct ieee80211_vif *vif, 642 struct cfg80211_chan_def *chandef) 643 { 644 struct mt7915_dev *dev = mt7915_hw_dev(hw); 645 646 mutex_lock(&dev->mt76.mutex); 647 mt7915_mcu_add_beacon(hw, vif, true); 648 mutex_unlock(&dev->mt76.mutex); 649 } 650 651 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 652 struct ieee80211_sta *sta) 653 { 654 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 655 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 656 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 657 int ret, idx; 658 659 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA); 660 if (idx < 0) 661 return -ENOSPC; 662 663 INIT_LIST_HEAD(&msta->rc_list); 664 INIT_LIST_HEAD(&msta->poll_list); 665 msta->vif = mvif; 666 msta->wcid.sta = 1; 667 msta->wcid.idx = idx; 668 msta->wcid.ext_phy = mvif->mt76.band_idx; 669 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 670 msta->jiffies = jiffies; 671 672 mt7915_mac_wtbl_update(dev, idx, 673 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 674 675 ret = mt7915_mcu_add_sta(dev, vif, sta, true); 676 if (ret) 677 return ret; 678 679 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false); 680 } 681 682 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 683 struct ieee80211_sta *sta) 684 { 685 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 686 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 687 int i; 688 689 mt7915_mcu_add_sta(dev, vif, sta, false); 690 691 mt7915_mac_wtbl_update(dev, msta->wcid.idx, 692 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 693 694 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 695 mt7915_mac_twt_teardown_flow(dev, msta, i); 696 697 spin_lock_bh(&dev->sta_poll_lock); 698 if (!list_empty(&msta->poll_list)) 699 list_del_init(&msta->poll_list); 700 if (!list_empty(&msta->rc_list)) 701 list_del_init(&msta->rc_list); 702 spin_unlock_bh(&dev->sta_poll_lock); 703 } 704 705 static void mt7915_tx(struct ieee80211_hw *hw, 706 struct ieee80211_tx_control *control, 707 struct sk_buff *skb) 708 { 709 struct mt7915_dev *dev = mt7915_hw_dev(hw); 710 struct mt76_phy *mphy = hw->priv; 711 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 712 struct ieee80211_vif *vif = info->control.vif; 713 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 714 715 if (control->sta) { 716 struct mt7915_sta *sta; 717 718 sta = (struct mt7915_sta *)control->sta->drv_priv; 719 wcid = &sta->wcid; 720 } 721 722 if (vif && !control->sta) { 723 struct mt7915_vif *mvif; 724 725 mvif = (struct mt7915_vif *)vif->drv_priv; 726 wcid = &mvif->sta.wcid; 727 } 728 729 mt76_tx(mphy, control->sta, wcid, skb); 730 } 731 732 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 733 { 734 struct mt7915_dev *dev = mt7915_hw_dev(hw); 735 struct mt7915_phy *phy = mt7915_hw_phy(hw); 736 int ret; 737 738 mutex_lock(&dev->mt76.mutex); 739 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, phy != &dev->phy); 740 mutex_unlock(&dev->mt76.mutex); 741 742 return ret; 743 } 744 745 static int 746 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 747 struct ieee80211_ampdu_params *params) 748 { 749 enum ieee80211_ampdu_mlme_action action = params->action; 750 struct mt7915_dev *dev = mt7915_hw_dev(hw); 751 struct ieee80211_sta *sta = params->sta; 752 struct ieee80211_txq *txq = sta->txq[params->tid]; 753 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 754 u16 tid = params->tid; 755 u16 ssn = params->ssn; 756 struct mt76_txq *mtxq; 757 int ret = 0; 758 759 if (!txq) 760 return -EINVAL; 761 762 mtxq = (struct mt76_txq *)txq->drv_priv; 763 764 mutex_lock(&dev->mt76.mutex); 765 switch (action) { 766 case IEEE80211_AMPDU_RX_START: 767 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 768 params->buf_size); 769 ret = mt7915_mcu_add_rx_ba(dev, params, true); 770 break; 771 case IEEE80211_AMPDU_RX_STOP: 772 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 773 ret = mt7915_mcu_add_rx_ba(dev, params, false); 774 break; 775 case IEEE80211_AMPDU_TX_OPERATIONAL: 776 mtxq->aggr = true; 777 mtxq->send_bar = false; 778 ret = mt7915_mcu_add_tx_ba(dev, params, true); 779 break; 780 case IEEE80211_AMPDU_TX_STOP_FLUSH: 781 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 782 mtxq->aggr = false; 783 clear_bit(tid, &msta->ampdu_state); 784 ret = mt7915_mcu_add_tx_ba(dev, params, false); 785 break; 786 case IEEE80211_AMPDU_TX_START: 787 set_bit(tid, &msta->ampdu_state); 788 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 789 break; 790 case IEEE80211_AMPDU_TX_STOP_CONT: 791 mtxq->aggr = false; 792 clear_bit(tid, &msta->ampdu_state); 793 ret = mt7915_mcu_add_tx_ba(dev, params, false); 794 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 795 break; 796 } 797 mutex_unlock(&dev->mt76.mutex); 798 799 return ret; 800 } 801 802 static int 803 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 804 struct ieee80211_sta *sta) 805 { 806 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 807 IEEE80211_STA_NONE); 808 } 809 810 static int 811 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 812 struct ieee80211_sta *sta) 813 { 814 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 815 IEEE80211_STA_NOTEXIST); 816 } 817 818 static int 819 mt7915_get_stats(struct ieee80211_hw *hw, 820 struct ieee80211_low_level_stats *stats) 821 { 822 struct mt7915_phy *phy = mt7915_hw_phy(hw); 823 struct mt7915_dev *dev = mt7915_hw_dev(hw); 824 struct mib_stats *mib = &phy->mib; 825 826 mutex_lock(&dev->mt76.mutex); 827 828 stats->dot11RTSSuccessCount = mib->rts_cnt; 829 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 830 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 831 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 832 833 mutex_unlock(&dev->mt76.mutex); 834 835 return 0; 836 } 837 838 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif) 839 { 840 struct mt7915_dev *dev = mt7915_hw_dev(hw); 841 struct mt7915_phy *phy = mt7915_hw_phy(hw); 842 bool band = phy != &dev->phy; 843 union { 844 u64 t64; 845 u32 t32[2]; 846 } tsf; 847 u16 n; 848 849 lockdep_assert_held(&dev->mt76.mutex); 850 851 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 852 : mvif->mt76.omac_idx; 853 /* TSF software read */ 854 if (is_mt7915(&dev->mt76)) 855 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 856 MT_LPON_TCR_SW_READ); 857 else 858 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 859 MT_LPON_TCR_SW_READ); 860 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); 861 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); 862 863 return tsf.t64; 864 } 865 866 static u64 867 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 868 { 869 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 870 struct mt7915_dev *dev = mt7915_hw_dev(hw); 871 u64 ret; 872 873 mutex_lock(&dev->mt76.mutex); 874 ret = __mt7915_get_tsf(hw, mvif); 875 mutex_unlock(&dev->mt76.mutex); 876 877 return ret; 878 } 879 880 static void 881 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 882 u64 timestamp) 883 { 884 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 885 struct mt7915_dev *dev = mt7915_hw_dev(hw); 886 struct mt7915_phy *phy = mt7915_hw_phy(hw); 887 bool band = phy != &dev->phy; 888 union { 889 u64 t64; 890 u32 t32[2]; 891 } tsf = { .t64 = timestamp, }; 892 u16 n; 893 894 mutex_lock(&dev->mt76.mutex); 895 896 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 897 : mvif->mt76.omac_idx; 898 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 899 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 900 /* TSF software overwrite */ 901 if (is_mt7915(&dev->mt76)) 902 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 903 MT_LPON_TCR_SW_WRITE); 904 else 905 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 906 MT_LPON_TCR_SW_WRITE); 907 908 mutex_unlock(&dev->mt76.mutex); 909 } 910 911 static void 912 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 913 s64 timestamp) 914 { 915 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 916 struct mt7915_dev *dev = mt7915_hw_dev(hw); 917 struct mt7915_phy *phy = mt7915_hw_phy(hw); 918 bool band = phy != &dev->phy; 919 union { 920 u64 t64; 921 u32 t32[2]; 922 } tsf = { .t64 = timestamp, }; 923 u16 n; 924 925 mutex_lock(&dev->mt76.mutex); 926 927 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 928 : mvif->mt76.omac_idx; 929 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 930 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 931 /* TSF software adjust*/ 932 if (is_mt7915(&dev->mt76)) 933 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 934 MT_LPON_TCR_SW_ADJUST); 935 else 936 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 937 MT_LPON_TCR_SW_ADJUST); 938 939 mutex_unlock(&dev->mt76.mutex); 940 } 941 942 static void 943 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 944 { 945 struct mt7915_phy *phy = mt7915_hw_phy(hw); 946 struct mt7915_dev *dev = phy->dev; 947 948 mutex_lock(&dev->mt76.mutex); 949 phy->coverage_class = max_t(s16, coverage_class, 0); 950 mt7915_mac_set_timing(phy); 951 mutex_unlock(&dev->mt76.mutex); 952 } 953 954 static int 955 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 956 { 957 struct mt7915_dev *dev = mt7915_hw_dev(hw); 958 struct mt7915_phy *phy = mt7915_hw_phy(hw); 959 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 960 bool ext_phy = phy != &dev->phy; 961 962 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 963 return -EINVAL; 964 965 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 966 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 967 968 mutex_lock(&dev->mt76.mutex); 969 970 phy->mt76->antenna_mask = tx_ant; 971 972 if (ext_phy) { 973 if (dev->chainmask == 0xf) 974 tx_ant <<= 2; 975 else 976 tx_ant <<= 1; 977 } 978 phy->mt76->chainmask = tx_ant; 979 980 mt76_set_stream_caps(phy->mt76, true); 981 mt7915_set_stream_vht_txbf_caps(phy); 982 mt7915_set_stream_he_caps(phy); 983 984 mutex_unlock(&dev->mt76.mutex); 985 986 return 0; 987 } 988 989 static void mt7915_sta_statistics(struct ieee80211_hw *hw, 990 struct ieee80211_vif *vif, 991 struct ieee80211_sta *sta, 992 struct station_info *sinfo) 993 { 994 struct mt7915_phy *phy = mt7915_hw_phy(hw); 995 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 996 struct rate_info *txrate = &msta->wcid.rate; 997 struct rate_info rxrate = {}; 998 999 if (is_mt7915(&phy->dev->mt76) && 1000 !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) { 1001 sinfo->rxrate = rxrate; 1002 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 1003 } 1004 1005 if (!txrate->legacy && !txrate->flags) 1006 return; 1007 1008 if (txrate->legacy) { 1009 sinfo->txrate.legacy = txrate->legacy; 1010 } else { 1011 sinfo->txrate.mcs = txrate->mcs; 1012 sinfo->txrate.nss = txrate->nss; 1013 sinfo->txrate.bw = txrate->bw; 1014 sinfo->txrate.he_gi = txrate->he_gi; 1015 sinfo->txrate.he_dcm = txrate->he_dcm; 1016 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1017 } 1018 sinfo->txrate.flags = txrate->flags; 1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1020 } 1021 1022 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) 1023 { 1024 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1025 struct mt7915_dev *dev = msta->vif->phy->dev; 1026 u32 *changed = data; 1027 1028 spin_lock_bh(&dev->sta_poll_lock); 1029 msta->changed |= *changed; 1030 if (list_empty(&msta->rc_list)) 1031 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1032 spin_unlock_bh(&dev->sta_poll_lock); 1033 } 1034 1035 static void mt7915_sta_rc_update(struct ieee80211_hw *hw, 1036 struct ieee80211_vif *vif, 1037 struct ieee80211_sta *sta, 1038 u32 changed) 1039 { 1040 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1041 struct mt7915_dev *dev = phy->dev; 1042 1043 mt7915_sta_rc_work(&changed, sta); 1044 ieee80211_queue_work(hw, &dev->rc_work); 1045 } 1046 1047 static int 1048 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1049 const struct cfg80211_bitrate_mask *mask) 1050 { 1051 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1052 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1053 struct mt7915_dev *dev = phy->dev; 1054 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1055 1056 mvif->bitrate_mask = *mask; 1057 1058 /* if multiple rates across different preambles are given we can 1059 * reconfigure this info with all peers using sta_rec command with 1060 * the below exception cases. 1061 * - single rate : if a rate is passed along with different preambles, 1062 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1063 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1064 * then multiple MCS setting (MCS 4,5,6) is not supported. 1065 */ 1066 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed); 1067 ieee80211_queue_work(hw, &dev->rc_work); 1068 1069 return 0; 1070 } 1071 1072 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw, 1073 struct ieee80211_vif *vif, 1074 struct ieee80211_sta *sta, 1075 bool enabled) 1076 { 1077 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1078 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1079 1080 if (enabled) 1081 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1082 else 1083 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1084 1085 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1086 } 1087 1088 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw, 1089 struct ieee80211_vif *vif, 1090 struct ieee80211_sta *sta, 1091 bool enabled) 1092 { 1093 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1094 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1095 1096 if (enabled) 1097 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1098 else 1099 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1100 1101 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1102 } 1103 1104 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = { 1105 "tx_ampdu_cnt", 1106 "tx_stop_q_empty_cnt", 1107 "tx_mpdu_attempts", 1108 "tx_mpdu_success", 1109 "tx_rwp_fail_cnt", 1110 "tx_rwp_need_cnt", 1111 "tx_pkt_ebf_cnt", 1112 "tx_pkt_ibf_cnt", 1113 "tx_ampdu_len:0-1", 1114 "tx_ampdu_len:2-10", 1115 "tx_ampdu_len:11-19", 1116 "tx_ampdu_len:20-28", 1117 "tx_ampdu_len:29-37", 1118 "tx_ampdu_len:38-46", 1119 "tx_ampdu_len:47-55", 1120 "tx_ampdu_len:56-79", 1121 "tx_ampdu_len:80-103", 1122 "tx_ampdu_len:104-127", 1123 "tx_ampdu_len:128-151", 1124 "tx_ampdu_len:152-175", 1125 "tx_ampdu_len:176-199", 1126 "tx_ampdu_len:200-223", 1127 "tx_ampdu_len:224-247", 1128 "ba_miss_count", 1129 "tx_beamformer_ppdu_iBF", 1130 "tx_beamformer_ppdu_eBF", 1131 "tx_beamformer_rx_feedback_all", 1132 "tx_beamformer_rx_feedback_he", 1133 "tx_beamformer_rx_feedback_vht", 1134 "tx_beamformer_rx_feedback_ht", 1135 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1136 "tx_beamformer_rx_feedback_nc", 1137 "tx_beamformer_rx_feedback_nr", 1138 "tx_beamformee_ok_feedback_pkts", 1139 "tx_beamformee_feedback_trig", 1140 "tx_mu_beamforming", 1141 "tx_mu_mpdu", 1142 "tx_mu_successful_mpdu", 1143 "tx_su_successful_mpdu", 1144 "tx_msdu_pack_1", 1145 "tx_msdu_pack_2", 1146 "tx_msdu_pack_3", 1147 "tx_msdu_pack_4", 1148 "tx_msdu_pack_5", 1149 "tx_msdu_pack_6", 1150 "tx_msdu_pack_7", 1151 "tx_msdu_pack_8", 1152 1153 /* rx counters */ 1154 "rx_fifo_full_cnt", 1155 "rx_mpdu_cnt", 1156 "channel_idle_cnt", 1157 "rx_vector_mismatch_cnt", 1158 "rx_delimiter_fail_cnt", 1159 "rx_len_mismatch_cnt", 1160 "rx_ampdu_cnt", 1161 "rx_ampdu_bytes_cnt", 1162 "rx_ampdu_valid_subframe_cnt", 1163 "rx_ampdu_valid_subframe_b_cnt", 1164 "rx_pfdrop_cnt", 1165 "rx_vec_queue_overflow_drop_cnt", 1166 "rx_ba_cnt", 1167 1168 /* per vif counters */ 1169 "v_tx_mode_cck", 1170 "v_tx_mode_ofdm", 1171 "v_tx_mode_ht", 1172 "v_tx_mode_ht_gf", 1173 "v_tx_mode_vht", 1174 "v_tx_mode_he_su", 1175 "v_tx_mode_he_ext_su", 1176 "v_tx_mode_he_tb", 1177 "v_tx_mode_he_mu", 1178 "v_tx_bw_20", 1179 "v_tx_bw_40", 1180 "v_tx_bw_80", 1181 "v_tx_bw_160", 1182 "v_tx_mcs_0", 1183 "v_tx_mcs_1", 1184 "v_tx_mcs_2", 1185 "v_tx_mcs_3", 1186 "v_tx_mcs_4", 1187 "v_tx_mcs_5", 1188 "v_tx_mcs_6", 1189 "v_tx_mcs_7", 1190 "v_tx_mcs_8", 1191 "v_tx_mcs_9", 1192 "v_tx_mcs_10", 1193 "v_tx_mcs_11", 1194 }; 1195 1196 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats) 1197 1198 /* Ethtool related API */ 1199 static 1200 void mt7915_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, *mt7915_gstrings_stats, 1206 sizeof(mt7915_gstrings_stats)); 1207 } 1208 1209 static 1210 int mt7915_get_et_sset_count(struct ieee80211_hw *hw, 1211 struct ieee80211_vif *vif, int sset) 1212 { 1213 if (sset == ETH_SS_STATS) 1214 return MT7915_SSTATS_LEN; 1215 1216 return 0; 1217 } 1218 1219 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1220 { 1221 struct mt76_ethtool_worker_info *wi = wi_data; 1222 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1223 1224 if (msta->vif->mt76.idx != wi->idx) 1225 return; 1226 1227 mt76_ethtool_worker(wi, &msta->stats); 1228 } 1229 1230 static 1231 void mt7915_get_et_stats(struct ieee80211_hw *hw, 1232 struct ieee80211_vif *vif, 1233 struct ethtool_stats *stats, u64 *data) 1234 { 1235 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1236 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1237 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1238 struct mt76_ethtool_worker_info wi = { 1239 .data = data, 1240 .idx = mvif->mt76.idx, 1241 }; 1242 struct mib_stats *mib = &phy->mib; 1243 /* See mt7915_ampdu_stat_read_phy, etc */ 1244 bool ext_phy = phy != &dev->phy; 1245 int i, n, ei = 0; 1246 1247 mutex_lock(&dev->mt76.mutex); 1248 1249 mt7915_mac_update_stats(phy); 1250 1251 data[ei++] = mib->tx_ampdu_cnt; 1252 data[ei++] = mib->tx_stop_q_empty_cnt; 1253 data[ei++] = mib->tx_mpdu_attempts_cnt; 1254 data[ei++] = mib->tx_mpdu_success_cnt; 1255 data[ei++] = mib->tx_rwp_fail_cnt; 1256 data[ei++] = mib->tx_rwp_need_cnt; 1257 data[ei++] = mib->tx_pkt_ebf_cnt; 1258 data[ei++] = mib->tx_pkt_ibf_cnt; 1259 1260 /* Tx ampdu stat */ 1261 n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 1262 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1263 data[ei++] = dev->mt76.aggr_stats[i + n]; 1264 1265 data[ei++] = phy->mib.ba_miss_cnt; 1266 1267 /* Tx Beamformer monitor */ 1268 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1269 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1270 1271 /* Tx Beamformer Rx feedback monitor */ 1272 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1273 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1274 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1275 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1276 1277 data[ei++] = mib->tx_bf_rx_fb_bw; 1278 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1279 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1280 1281 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1282 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1283 data[ei++] = mib->tx_bf_fb_trig_cnt; 1284 1285 /* Tx SU & MU counters */ 1286 data[ei++] = mib->tx_bf_cnt; 1287 data[ei++] = mib->tx_mu_mpdu_cnt; 1288 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1289 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1290 1291 /* Tx amsdu info (pack-count histogram) */ 1292 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1293 data[ei++] = mib->tx_amsdu[i]; 1294 1295 /* rx counters */ 1296 data[ei++] = mib->rx_fifo_full_cnt; 1297 data[ei++] = mib->rx_mpdu_cnt; 1298 data[ei++] = mib->channel_idle_cnt; 1299 data[ei++] = mib->rx_vector_mismatch_cnt; 1300 data[ei++] = mib->rx_delimiter_fail_cnt; 1301 data[ei++] = mib->rx_len_mismatch_cnt; 1302 data[ei++] = mib->rx_ampdu_cnt; 1303 data[ei++] = mib->rx_ampdu_bytes_cnt; 1304 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1305 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1306 data[ei++] = mib->rx_pfdrop_cnt; 1307 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1308 data[ei++] = mib->rx_ba_cnt; 1309 1310 /* Add values for all stations owned by this vif */ 1311 wi.initial_stat_idx = ei; 1312 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); 1313 1314 mutex_unlock(&dev->mt76.mutex); 1315 1316 if (wi.sta_count == 0) 1317 return; 1318 1319 ei += wi.worker_stat_count; 1320 if (ei != MT7915_SSTATS_LEN) 1321 dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d", 1322 ei, (int)MT7915_SSTATS_LEN); 1323 } 1324 1325 static void 1326 mt7915_twt_teardown_request(struct ieee80211_hw *hw, 1327 struct ieee80211_sta *sta, 1328 u8 flowid) 1329 { 1330 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1331 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1332 1333 mutex_lock(&dev->mt76.mutex); 1334 mt7915_mac_twt_teardown_flow(dev, msta, flowid); 1335 mutex_unlock(&dev->mt76.mutex); 1336 } 1337 1338 static int 1339 mt7915_set_radar_background(struct ieee80211_hw *hw, 1340 struct cfg80211_chan_def *chandef) 1341 { 1342 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1343 struct mt7915_dev *dev = phy->dev; 1344 int ret = -EINVAL; 1345 bool running; 1346 1347 mutex_lock(&dev->mt76.mutex); 1348 1349 if (dev->mt76.region == NL80211_DFS_UNSET) 1350 goto out; 1351 1352 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1353 /* rdd2 is already locked */ 1354 ret = -EBUSY; 1355 goto out; 1356 } 1357 1358 /* rdd2 already configured on a radar channel */ 1359 running = dev->rdd2_phy && 1360 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1361 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1362 1363 if (!chandef || running || 1364 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1365 ret = mt7915_mcu_rdd_background_enable(phy, NULL); 1366 if (ret) 1367 goto out; 1368 1369 if (!running) 1370 goto update_phy; 1371 } 1372 1373 ret = mt7915_mcu_rdd_background_enable(phy, chandef); 1374 if (ret) 1375 goto out; 1376 1377 update_phy: 1378 dev->rdd2_phy = chandef ? phy : NULL; 1379 if (chandef) 1380 dev->rdd2_chandef = *chandef; 1381 out: 1382 mutex_unlock(&dev->mt76.mutex); 1383 1384 return ret; 1385 } 1386 1387 const struct ieee80211_ops mt7915_ops = { 1388 .tx = mt7915_tx, 1389 .start = mt7915_start, 1390 .stop = mt7915_stop, 1391 .add_interface = mt7915_add_interface, 1392 .remove_interface = mt7915_remove_interface, 1393 .config = mt7915_config, 1394 .conf_tx = mt7915_conf_tx, 1395 .configure_filter = mt7915_configure_filter, 1396 .bss_info_changed = mt7915_bss_info_changed, 1397 .sta_add = mt7915_sta_add, 1398 .sta_remove = mt7915_sta_remove, 1399 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1400 .sta_rc_update = mt7915_sta_rc_update, 1401 .set_key = mt7915_set_key, 1402 .ampdu_action = mt7915_ampdu_action, 1403 .set_rts_threshold = mt7915_set_rts_threshold, 1404 .wake_tx_queue = mt76_wake_tx_queue, 1405 .sw_scan_start = mt76_sw_scan, 1406 .sw_scan_complete = mt76_sw_scan_complete, 1407 .release_buffered_frames = mt76_release_buffered_frames, 1408 .get_txpower = mt76_get_txpower, 1409 .set_sar_specs = mt7915_set_sar_specs, 1410 .channel_switch_beacon = mt7915_channel_switch_beacon, 1411 .get_stats = mt7915_get_stats, 1412 .get_et_sset_count = mt7915_get_et_sset_count, 1413 .get_et_stats = mt7915_get_et_stats, 1414 .get_et_strings = mt7915_get_et_strings, 1415 .get_tsf = mt7915_get_tsf, 1416 .set_tsf = mt7915_set_tsf, 1417 .offset_tsf = mt7915_offset_tsf, 1418 .get_survey = mt76_get_survey, 1419 .get_antenna = mt76_get_antenna, 1420 .set_antenna = mt7915_set_antenna, 1421 .set_bitrate_mask = mt7915_set_bitrate_mask, 1422 .set_coverage_class = mt7915_set_coverage_class, 1423 .sta_statistics = mt7915_sta_statistics, 1424 .sta_set_4addr = mt7915_sta_set_4addr, 1425 .sta_set_decap_offload = mt7915_sta_set_decap_offload, 1426 .add_twt_setup = mt7915_mac_add_twt_setup, 1427 .twt_teardown_request = mt7915_twt_teardown_request, 1428 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1429 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1430 #ifdef CONFIG_MAC80211_DEBUGFS 1431 .sta_add_debugfs = mt7915_sta_add_debugfs, 1432 #endif 1433 .set_radar_background = mt7915_set_radar_background, 1434 }; 1435