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 = mt7915_mcu_set_pm(dev, 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 = mt7915_mcu_set_pm(dev, 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 = mt7915_mcu_set_rts_thresh(phy, 0x92b); 69 if (ret) 70 goto out; 71 72 ret = mt7915_mcu_set_sku_en(phy, true); 73 if (ret) 74 goto out; 75 76 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 77 if (ret) 78 goto out; 79 80 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 81 82 if (!mt76_testmode_enabled(phy->mt76)) 83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 84 MT7915_WATCHDOG_TIME); 85 86 if (!running) 87 mt7915_mac_reset_counters(phy); 88 89 out: 90 mutex_unlock(&dev->mt76.mutex); 91 92 return ret; 93 } 94 95 static void mt7915_stop(struct ieee80211_hw *hw) 96 { 97 struct mt7915_dev *dev = mt7915_hw_dev(hw); 98 struct mt7915_phy *phy = mt7915_hw_phy(hw); 99 100 cancel_delayed_work_sync(&phy->mt76->mac_work); 101 102 mutex_lock(&dev->mt76.mutex); 103 104 mt76_testmode_reset(phy->mt76, true); 105 106 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 107 108 if (phy != &dev->phy) { 109 mt7915_mcu_set_pm(dev, 1, 1); 110 mt7915_mcu_set_mac(dev, 1, false, false); 111 } 112 113 if (!mt7915_dev_running(dev)) { 114 mt7915_mcu_set_pm(dev, 0, 1); 115 mt7915_mcu_set_mac(dev, 0, false, false); 116 } 117 118 mutex_unlock(&dev->mt76.mutex); 119 } 120 121 static inline int get_free_idx(u32 mask, u8 start, u8 end) 122 { 123 return ffs(~mask & GENMASK(end, start)); 124 } 125 126 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 127 { 128 int i; 129 130 switch (type) { 131 case NL80211_IFTYPE_MESH_POINT: 132 case NL80211_IFTYPE_ADHOC: 133 case NL80211_IFTYPE_STATION: 134 /* prefer hw bssid slot 1-3 */ 135 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 136 if (i) 137 return i - 1; 138 139 if (type != NL80211_IFTYPE_STATION) 140 break; 141 142 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 143 if (i) 144 return i - 1; 145 146 if (~mask & BIT(HW_BSSID_0)) 147 return HW_BSSID_0; 148 149 break; 150 case NL80211_IFTYPE_MONITOR: 151 case NL80211_IFTYPE_AP: 152 /* ap uses hw bssid 0 and ext bssid */ 153 if (~mask & BIT(HW_BSSID_0)) 154 return HW_BSSID_0; 155 156 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 157 if (i) 158 return i - 1; 159 160 break; 161 default: 162 WARN_ON(1); 163 break; 164 } 165 166 return -1; 167 } 168 169 static void mt7915_init_bitrate_mask(struct ieee80211_vif *vif) 170 { 171 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 172 int i; 173 174 for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) { 175 mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI; 176 mvif->bitrate_mask.control[i].he_gi = GENMASK(7, 0); 177 mvif->bitrate_mask.control[i].he_ltf = GENMASK(7, 0); 178 mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0); 179 memset(mvif->bitrate_mask.control[i].ht_mcs, GENMASK(7, 0), 180 sizeof(mvif->bitrate_mask.control[i].ht_mcs)); 181 memset(mvif->bitrate_mask.control[i].vht_mcs, GENMASK(15, 0), 182 sizeof(mvif->bitrate_mask.control[i].vht_mcs)); 183 memset(mvif->bitrate_mask.control[i].he_mcs, GENMASK(15, 0), 184 sizeof(mvif->bitrate_mask.control[i].he_mcs)); 185 } 186 } 187 188 static int mt7915_add_interface(struct ieee80211_hw *hw, 189 struct ieee80211_vif *vif) 190 { 191 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 192 struct mt7915_dev *dev = mt7915_hw_dev(hw); 193 struct mt7915_phy *phy = mt7915_hw_phy(hw); 194 struct mt76_txq *mtxq; 195 bool ext_phy = phy != &dev->phy; 196 int idx, ret = 0; 197 198 mutex_lock(&dev->mt76.mutex); 199 200 mt76_testmode_reset(phy->mt76, true); 201 202 if (vif->type == NL80211_IFTYPE_MONITOR && 203 is_zero_ether_addr(vif->addr)) 204 phy->monitor_vif = vif; 205 206 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 207 if (mvif->mt76.idx >= MT7915_MAX_INTERFACES) { 208 ret = -ENOSPC; 209 goto out; 210 } 211 212 idx = get_omac_idx(vif->type, phy->omac_mask); 213 if (idx < 0) { 214 ret = -ENOSPC; 215 goto out; 216 } 217 mvif->mt76.omac_idx = idx; 218 mvif->phy = phy; 219 mvif->mt76.band_idx = ext_phy; 220 221 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; 222 if (ext_phy) 223 mvif->mt76.wmm_idx += 2; 224 225 ret = mt7915_mcu_add_dev_info(phy, vif, true); 226 if (ret) 227 goto out; 228 229 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 230 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 231 232 idx = MT7915_WTBL_RESERVED - mvif->mt76.idx; 233 234 INIT_LIST_HEAD(&mvif->sta.rc_list); 235 INIT_LIST_HEAD(&mvif->sta.poll_list); 236 mvif->sta.wcid.idx = idx; 237 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 238 mvif->sta.wcid.hw_key_idx = -1; 239 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 240 mt76_packet_id_init(&mvif->sta.wcid); 241 242 mt7915_mac_wtbl_update(dev, idx, 243 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 244 245 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 246 if (vif->txq) { 247 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 248 mtxq->wcid = &mvif->sta.wcid; 249 } 250 251 if (vif->type != NL80211_IFTYPE_AP && 252 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 253 vif->offload_flags = 0; 254 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 255 256 mt7915_init_bitrate_mask(vif); 257 memset(&mvif->cap, -1, sizeof(mvif->cap)); 258 259 out: 260 mutex_unlock(&dev->mt76.mutex); 261 262 return ret; 263 } 264 265 static void mt7915_remove_interface(struct ieee80211_hw *hw, 266 struct ieee80211_vif *vif) 267 { 268 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 269 struct mt7915_sta *msta = &mvif->sta; 270 struct mt7915_dev *dev = mt7915_hw_dev(hw); 271 struct mt7915_phy *phy = mt7915_hw_phy(hw); 272 int idx = msta->wcid.idx; 273 274 mt7915_mcu_add_bss_info(phy, vif, false); 275 mt7915_mcu_add_sta(dev, vif, NULL, false); 276 277 mutex_lock(&dev->mt76.mutex); 278 mt76_testmode_reset(phy->mt76, true); 279 mutex_unlock(&dev->mt76.mutex); 280 281 if (vif == phy->monitor_vif) 282 phy->monitor_vif = NULL; 283 284 mt7915_mcu_add_dev_info(phy, vif, false); 285 286 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 287 288 mutex_lock(&dev->mt76.mutex); 289 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 290 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 291 mutex_unlock(&dev->mt76.mutex); 292 293 spin_lock_bh(&dev->sta_poll_lock); 294 if (!list_empty(&msta->poll_list)) 295 list_del_init(&msta->poll_list); 296 spin_unlock_bh(&dev->sta_poll_lock); 297 298 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 299 } 300 301 static void mt7915_init_dfs_state(struct mt7915_phy *phy) 302 { 303 struct mt76_phy *mphy = phy->mt76; 304 struct ieee80211_hw *hw = mphy->hw; 305 struct cfg80211_chan_def *chandef = &hw->conf.chandef; 306 307 if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 308 return; 309 310 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) 311 return; 312 313 if (mphy->chandef.chan->center_freq == chandef->chan->center_freq && 314 mphy->chandef.width == chandef->width) 315 return; 316 317 phy->dfs_state = -1; 318 } 319 320 int mt7915_set_channel(struct mt7915_phy *phy) 321 { 322 struct mt7915_dev *dev = phy->dev; 323 int ret; 324 325 cancel_delayed_work_sync(&phy->mt76->mac_work); 326 327 mutex_lock(&dev->mt76.mutex); 328 set_bit(MT76_RESET, &phy->mt76->state); 329 330 mt7915_init_dfs_state(phy); 331 mt76_set_channel(phy->mt76); 332 333 if (dev->flash_mode) { 334 ret = mt7915_mcu_apply_tx_dpd(phy); 335 if (ret) 336 goto out; 337 } 338 339 ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 340 if (ret) 341 goto out; 342 343 mt7915_mac_set_timing(phy); 344 ret = mt7915_dfs_init_radar_detector(phy); 345 mt7915_mac_cca_stats_reset(phy); 346 347 mt7915_mac_reset_counters(phy); 348 phy->noise = 0; 349 350 out: 351 clear_bit(MT76_RESET, &phy->mt76->state); 352 mutex_unlock(&dev->mt76.mutex); 353 354 mt76_txq_schedule_all(phy->mt76); 355 356 if (!mt76_testmode_enabled(phy->mt76)) 357 ieee80211_queue_delayed_work(phy->mt76->hw, 358 &phy->mt76->mac_work, 359 MT7915_WATCHDOG_TIME); 360 361 return ret; 362 } 363 364 static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 365 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 366 struct ieee80211_key_conf *key) 367 { 368 struct mt7915_dev *dev = mt7915_hw_dev(hw); 369 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 370 struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv : 371 &mvif->sta; 372 struct mt76_wcid *wcid = &msta->wcid; 373 u8 *wcid_keyidx = &wcid->hw_key_idx; 374 int idx = key->keyidx; 375 int err = 0; 376 377 /* The hardware does not support per-STA RX GTK, fallback 378 * to software mode for these. 379 */ 380 if ((vif->type == NL80211_IFTYPE_ADHOC || 381 vif->type == NL80211_IFTYPE_MESH_POINT) && 382 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 383 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 384 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 385 return -EOPNOTSUPP; 386 387 /* fall back to sw encryption for unsupported ciphers */ 388 switch (key->cipher) { 389 case WLAN_CIPHER_SUITE_AES_CMAC: 390 wcid_keyidx = &wcid->hw_key_idx2; 391 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 392 break; 393 case WLAN_CIPHER_SUITE_TKIP: 394 case WLAN_CIPHER_SUITE_CCMP: 395 case WLAN_CIPHER_SUITE_CCMP_256: 396 case WLAN_CIPHER_SUITE_GCMP: 397 case WLAN_CIPHER_SUITE_GCMP_256: 398 case WLAN_CIPHER_SUITE_SMS4: 399 break; 400 case WLAN_CIPHER_SUITE_WEP40: 401 case WLAN_CIPHER_SUITE_WEP104: 402 default: 403 return -EOPNOTSUPP; 404 } 405 406 mutex_lock(&dev->mt76.mutex); 407 408 if (cmd == SET_KEY) 409 *wcid_keyidx = idx; 410 else if (idx == *wcid_keyidx) 411 *wcid_keyidx = -1; 412 else 413 goto out; 414 415 mt76_wcid_key_setup(&dev->mt76, wcid, 416 cmd == SET_KEY ? key : NULL); 417 418 err = mt7915_mcu_add_key(dev, vif, msta, key, cmd); 419 420 out: 421 mutex_unlock(&dev->mt76.mutex); 422 423 return err; 424 } 425 426 static int mt7915_set_sar_specs(struct ieee80211_hw *hw, 427 const struct cfg80211_sar_specs *sar) 428 { 429 struct mt7915_phy *phy = mt7915_hw_phy(hw); 430 struct mt7915_dev *dev = mt7915_hw_dev(hw); 431 int err = -EINVAL; 432 433 mutex_lock(&dev->mt76.mutex); 434 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 435 goto out; 436 437 err = mt76_init_sar_power(hw, sar); 438 if (err) 439 goto out; 440 441 err = mt7915_mcu_set_txpower_sku(phy); 442 out: 443 mutex_unlock(&dev->mt76.mutex); 444 445 return err; 446 } 447 448 static int mt7915_config(struct ieee80211_hw *hw, u32 changed) 449 { 450 struct mt7915_dev *dev = mt7915_hw_dev(hw); 451 struct mt7915_phy *phy = mt7915_hw_phy(hw); 452 bool band = phy != &dev->phy; 453 int ret; 454 455 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 456 #ifdef CONFIG_NL80211_TESTMODE 457 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 458 mutex_lock(&dev->mt76.mutex); 459 mt76_testmode_reset(phy->mt76, false); 460 mutex_unlock(&dev->mt76.mutex); 461 } 462 #endif 463 ieee80211_stop_queues(hw); 464 ret = mt7915_set_channel(phy); 465 if (ret) 466 return ret; 467 ieee80211_wake_queues(hw); 468 } 469 470 if (changed & IEEE80211_CONF_CHANGE_POWER) { 471 ret = mt7915_mcu_set_txpower_sku(phy); 472 if (ret) 473 return ret; 474 } 475 476 mutex_lock(&dev->mt76.mutex); 477 478 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 479 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 480 481 if (!enabled) 482 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 483 else 484 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 485 486 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN, 487 enabled); 488 mt76_testmode_reset(phy->mt76, true); 489 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 490 } 491 492 mutex_unlock(&dev->mt76.mutex); 493 494 return 0; 495 } 496 497 static int 498 mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 499 const struct ieee80211_tx_queue_params *params) 500 { 501 struct mt7915_dev *dev = mt7915_hw_dev(hw); 502 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 503 504 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 505 queue = mt7915_lmac_mapping(dev, queue); 506 mvif->queue_params[queue] = *params; 507 508 return 0; 509 } 510 511 static void mt7915_configure_filter(struct ieee80211_hw *hw, 512 unsigned int changed_flags, 513 unsigned int *total_flags, 514 u64 multicast) 515 { 516 struct mt7915_dev *dev = mt7915_hw_dev(hw); 517 struct mt7915_phy *phy = mt7915_hw_phy(hw); 518 bool band = phy != &dev->phy; 519 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 520 MT_WF_RFCR1_DROP_BF_POLL | 521 MT_WF_RFCR1_DROP_BA | 522 MT_WF_RFCR1_DROP_CFEND | 523 MT_WF_RFCR1_DROP_CFACK; 524 u32 flags = 0; 525 526 #define MT76_FILTER(_flag, _hw) do { \ 527 flags |= *total_flags & FIF_##_flag; \ 528 phy->rxfilter &= ~(_hw); \ 529 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 530 } while (0) 531 532 mutex_lock(&dev->mt76.mutex); 533 534 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 535 MT_WF_RFCR_DROP_OTHER_BEACON | 536 MT_WF_RFCR_DROP_FRAME_REPORT | 537 MT_WF_RFCR_DROP_PROBEREQ | 538 MT_WF_RFCR_DROP_MCAST_FILTERED | 539 MT_WF_RFCR_DROP_MCAST | 540 MT_WF_RFCR_DROP_BCAST | 541 MT_WF_RFCR_DROP_DUPLICATE | 542 MT_WF_RFCR_DROP_A2_BSSID | 543 MT_WF_RFCR_DROP_UNWANTED_CTL | 544 MT_WF_RFCR_DROP_STBC_MULTI); 545 546 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 547 MT_WF_RFCR_DROP_A3_MAC | 548 MT_WF_RFCR_DROP_A3_BSSID); 549 550 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 551 552 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 553 MT_WF_RFCR_DROP_RTS | 554 MT_WF_RFCR_DROP_CTL_RSV | 555 MT_WF_RFCR_DROP_NDPA); 556 557 *total_flags = flags; 558 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 559 560 if (*total_flags & FIF_CONTROL) 561 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 562 else 563 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 564 565 mutex_unlock(&dev->mt76.mutex); 566 } 567 568 static void 569 mt7915_update_bss_color(struct ieee80211_hw *hw, 570 struct ieee80211_vif *vif, 571 struct cfg80211_he_bss_color *bss_color) 572 { 573 struct mt7915_dev *dev = mt7915_hw_dev(hw); 574 575 switch (vif->type) { 576 case NL80211_IFTYPE_AP: { 577 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 578 579 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 580 return; 581 fallthrough; 582 } 583 case NL80211_IFTYPE_STATION: 584 mt7915_mcu_update_bss_color(dev, vif, bss_color); 585 break; 586 default: 587 break; 588 } 589 } 590 591 static void mt7915_bss_info_changed(struct ieee80211_hw *hw, 592 struct ieee80211_vif *vif, 593 struct ieee80211_bss_conf *info, 594 u32 changed) 595 { 596 struct mt7915_phy *phy = mt7915_hw_phy(hw); 597 struct mt7915_dev *dev = mt7915_hw_dev(hw); 598 599 mutex_lock(&dev->mt76.mutex); 600 601 /* 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 && 606 vif->type == NL80211_IFTYPE_STATION) { 607 bool join = !is_zero_ether_addr(info->bssid); 608 609 mt7915_mcu_add_bss_info(phy, vif, join); 610 mt7915_mcu_add_sta(dev, vif, NULL, join); 611 } 612 613 if (changed & BSS_CHANGED_ASSOC) { 614 mt7915_mcu_add_bss_info(phy, vif, info->assoc); 615 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 616 } 617 618 if (changed & BSS_CHANGED_ERP_SLOT) { 619 int slottime = info->use_short_slot ? 9 : 20; 620 621 if (slottime != phy->slottime) { 622 phy->slottime = slottime; 623 mt7915_mac_set_timing(phy); 624 } 625 } 626 627 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 628 mt7915_mcu_add_bss_info(phy, vif, true); 629 mt7915_mcu_add_sta(dev, vif, NULL, true); 630 } 631 632 /* ensure that enable txcmd_mode after bss_info */ 633 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 634 mt7915_mcu_set_tx(dev, vif); 635 636 if (changed & BSS_CHANGED_HE_OBSS_PD) 637 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 638 639 if (changed & BSS_CHANGED_HE_BSS_COLOR) 640 mt7915_update_bss_color(hw, vif, &info->he_bss_color); 641 642 if (changed & (BSS_CHANGED_BEACON | 643 BSS_CHANGED_BEACON_ENABLED)) 644 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon); 645 646 mutex_unlock(&dev->mt76.mutex); 647 } 648 649 static void 650 mt7915_channel_switch_beacon(struct ieee80211_hw *hw, 651 struct ieee80211_vif *vif, 652 struct cfg80211_chan_def *chandef) 653 { 654 struct mt7915_dev *dev = mt7915_hw_dev(hw); 655 656 mutex_lock(&dev->mt76.mutex); 657 mt7915_mcu_add_beacon(hw, vif, true); 658 mutex_unlock(&dev->mt76.mutex); 659 } 660 661 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 662 struct ieee80211_sta *sta) 663 { 664 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 665 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 666 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 667 int ret, idx; 668 669 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA); 670 if (idx < 0) 671 return -ENOSPC; 672 673 INIT_LIST_HEAD(&msta->rc_list); 674 INIT_LIST_HEAD(&msta->poll_list); 675 msta->vif = mvif; 676 msta->wcid.sta = 1; 677 msta->wcid.idx = idx; 678 msta->wcid.ext_phy = mvif->mt76.band_idx; 679 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 680 msta->jiffies = jiffies; 681 682 mt7915_mac_wtbl_update(dev, idx, 683 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 684 685 ret = mt7915_mcu_add_sta(dev, vif, sta, true); 686 if (ret) 687 return ret; 688 689 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false); 690 } 691 692 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 693 struct ieee80211_sta *sta) 694 { 695 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 696 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 697 int i; 698 699 mt7915_mcu_add_sta(dev, vif, sta, false); 700 701 mt7915_mac_wtbl_update(dev, msta->wcid.idx, 702 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 703 704 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 705 mt7915_mac_twt_teardown_flow(dev, msta, i); 706 707 spin_lock_bh(&dev->sta_poll_lock); 708 if (!list_empty(&msta->poll_list)) 709 list_del_init(&msta->poll_list); 710 if (!list_empty(&msta->rc_list)) 711 list_del_init(&msta->rc_list); 712 spin_unlock_bh(&dev->sta_poll_lock); 713 } 714 715 static void mt7915_tx(struct ieee80211_hw *hw, 716 struct ieee80211_tx_control *control, 717 struct sk_buff *skb) 718 { 719 struct mt7915_dev *dev = mt7915_hw_dev(hw); 720 struct mt76_phy *mphy = hw->priv; 721 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 722 struct ieee80211_vif *vif = info->control.vif; 723 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 724 725 if (control->sta) { 726 struct mt7915_sta *sta; 727 728 sta = (struct mt7915_sta *)control->sta->drv_priv; 729 wcid = &sta->wcid; 730 } 731 732 if (vif && !control->sta) { 733 struct mt7915_vif *mvif; 734 735 mvif = (struct mt7915_vif *)vif->drv_priv; 736 wcid = &mvif->sta.wcid; 737 } 738 739 mt76_tx(mphy, control->sta, wcid, skb); 740 } 741 742 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 743 { 744 struct mt7915_dev *dev = mt7915_hw_dev(hw); 745 struct mt7915_phy *phy = mt7915_hw_phy(hw); 746 int ret; 747 748 mutex_lock(&dev->mt76.mutex); 749 ret = mt7915_mcu_set_rts_thresh(phy, val); 750 mutex_unlock(&dev->mt76.mutex); 751 752 return ret; 753 } 754 755 static int 756 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 757 struct ieee80211_ampdu_params *params) 758 { 759 enum ieee80211_ampdu_mlme_action action = params->action; 760 struct mt7915_dev *dev = mt7915_hw_dev(hw); 761 struct ieee80211_sta *sta = params->sta; 762 struct ieee80211_txq *txq = sta->txq[params->tid]; 763 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 764 u16 tid = params->tid; 765 u16 ssn = params->ssn; 766 struct mt76_txq *mtxq; 767 int ret = 0; 768 769 if (!txq) 770 return -EINVAL; 771 772 mtxq = (struct mt76_txq *)txq->drv_priv; 773 774 mutex_lock(&dev->mt76.mutex); 775 switch (action) { 776 case IEEE80211_AMPDU_RX_START: 777 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 778 params->buf_size); 779 ret = mt7915_mcu_add_rx_ba(dev, params, true); 780 break; 781 case IEEE80211_AMPDU_RX_STOP: 782 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 783 ret = mt7915_mcu_add_rx_ba(dev, params, false); 784 break; 785 case IEEE80211_AMPDU_TX_OPERATIONAL: 786 mtxq->aggr = true; 787 mtxq->send_bar = false; 788 ret = mt7915_mcu_add_tx_ba(dev, params, true); 789 break; 790 case IEEE80211_AMPDU_TX_STOP_FLUSH: 791 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 792 mtxq->aggr = false; 793 clear_bit(tid, &msta->ampdu_state); 794 ret = mt7915_mcu_add_tx_ba(dev, params, false); 795 break; 796 case IEEE80211_AMPDU_TX_START: 797 set_bit(tid, &msta->ampdu_state); 798 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 799 break; 800 case IEEE80211_AMPDU_TX_STOP_CONT: 801 mtxq->aggr = false; 802 clear_bit(tid, &msta->ampdu_state); 803 ret = mt7915_mcu_add_tx_ba(dev, params, false); 804 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 805 break; 806 } 807 mutex_unlock(&dev->mt76.mutex); 808 809 return ret; 810 } 811 812 static int 813 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 814 struct ieee80211_sta *sta) 815 { 816 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 817 IEEE80211_STA_NONE); 818 } 819 820 static int 821 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 822 struct ieee80211_sta *sta) 823 { 824 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 825 IEEE80211_STA_NOTEXIST); 826 } 827 828 static int 829 mt7915_get_stats(struct ieee80211_hw *hw, 830 struct ieee80211_low_level_stats *stats) 831 { 832 struct mt7915_phy *phy = mt7915_hw_phy(hw); 833 struct mt7915_dev *dev = mt7915_hw_dev(hw); 834 struct mib_stats *mib = &phy->mib; 835 836 mutex_lock(&dev->mt76.mutex); 837 838 stats->dot11RTSSuccessCount = mib->rts_cnt; 839 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 840 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 841 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 842 843 mutex_unlock(&dev->mt76.mutex); 844 845 return 0; 846 } 847 848 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif) 849 { 850 struct mt7915_dev *dev = mt7915_hw_dev(hw); 851 struct mt7915_phy *phy = mt7915_hw_phy(hw); 852 bool band = phy != &dev->phy; 853 union { 854 u64 t64; 855 u32 t32[2]; 856 } tsf; 857 u16 n; 858 859 lockdep_assert_held(&dev->mt76.mutex); 860 861 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 862 : mvif->mt76.omac_idx; 863 /* TSF software read */ 864 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 865 MT_LPON_TCR_SW_READ); 866 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); 867 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); 868 869 return tsf.t64; 870 } 871 872 static u64 873 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 874 { 875 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 876 struct mt7915_dev *dev = mt7915_hw_dev(hw); 877 u64 ret; 878 879 mutex_lock(&dev->mt76.mutex); 880 ret = __mt7915_get_tsf(hw, mvif); 881 mutex_unlock(&dev->mt76.mutex); 882 883 return ret; 884 } 885 886 static void 887 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 888 u64 timestamp) 889 { 890 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 891 struct mt7915_dev *dev = mt7915_hw_dev(hw); 892 struct mt7915_phy *phy = mt7915_hw_phy(hw); 893 bool band = phy != &dev->phy; 894 union { 895 u64 t64; 896 u32 t32[2]; 897 } tsf = { .t64 = timestamp, }; 898 u16 n; 899 900 mutex_lock(&dev->mt76.mutex); 901 902 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 903 : mvif->mt76.omac_idx; 904 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 905 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 906 /* TSF software overwrite */ 907 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 908 MT_LPON_TCR_SW_WRITE); 909 910 mutex_unlock(&dev->mt76.mutex); 911 } 912 913 static void 914 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 915 s64 timestamp) 916 { 917 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 918 struct mt7915_dev *dev = mt7915_hw_dev(hw); 919 struct mt7915_phy *phy = mt7915_hw_phy(hw); 920 bool band = phy != &dev->phy; 921 union { 922 u64 t64; 923 u32 t32[2]; 924 } tsf = { .t64 = timestamp, }; 925 u16 n; 926 927 mutex_lock(&dev->mt76.mutex); 928 929 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 930 : mvif->mt76.omac_idx; 931 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 932 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 933 /* TSF software adjust*/ 934 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 935 MT_LPON_TCR_SW_ADJUST); 936 937 mutex_unlock(&dev->mt76.mutex); 938 } 939 940 static void 941 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 942 { 943 struct mt7915_phy *phy = mt7915_hw_phy(hw); 944 struct mt7915_dev *dev = phy->dev; 945 946 mutex_lock(&dev->mt76.mutex); 947 phy->coverage_class = max_t(s16, coverage_class, 0); 948 mt7915_mac_set_timing(phy); 949 mutex_unlock(&dev->mt76.mutex); 950 } 951 952 static int 953 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 954 { 955 struct mt7915_dev *dev = mt7915_hw_dev(hw); 956 struct mt7915_phy *phy = mt7915_hw_phy(hw); 957 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 958 bool ext_phy = phy != &dev->phy; 959 960 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 961 return -EINVAL; 962 963 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 964 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 965 966 mutex_lock(&dev->mt76.mutex); 967 968 phy->mt76->antenna_mask = tx_ant; 969 970 if (ext_phy) { 971 if (dev->chainmask == 0xf) 972 tx_ant <<= 2; 973 else 974 tx_ant <<= 1; 975 } 976 phy->mt76->chainmask = tx_ant; 977 978 mt76_set_stream_caps(phy->mt76, true); 979 mt7915_set_stream_vht_txbf_caps(phy); 980 mt7915_set_stream_he_caps(phy); 981 982 mutex_unlock(&dev->mt76.mutex); 983 984 return 0; 985 } 986 987 static void mt7915_sta_statistics(struct ieee80211_hw *hw, 988 struct ieee80211_vif *vif, 989 struct ieee80211_sta *sta, 990 struct station_info *sinfo) 991 { 992 struct mt7915_phy *phy = mt7915_hw_phy(hw); 993 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 994 struct rate_info *txrate = &msta->wcid.rate; 995 struct rate_info rxrate = {}; 996 997 if (!mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) { 998 sinfo->rxrate = rxrate; 999 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 1000 } 1001 1002 if (!txrate->legacy && !txrate->flags) 1003 return; 1004 1005 if (txrate->legacy) { 1006 sinfo->txrate.legacy = txrate->legacy; 1007 } else { 1008 sinfo->txrate.mcs = txrate->mcs; 1009 sinfo->txrate.nss = txrate->nss; 1010 sinfo->txrate.bw = txrate->bw; 1011 sinfo->txrate.he_gi = txrate->he_gi; 1012 sinfo->txrate.he_dcm = txrate->he_dcm; 1013 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1014 } 1015 sinfo->txrate.flags = txrate->flags; 1016 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1017 } 1018 1019 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) 1020 { 1021 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1022 struct mt7915_dev *dev = msta->vif->phy->dev; 1023 u32 *changed = data; 1024 1025 spin_lock_bh(&dev->sta_poll_lock); 1026 msta->changed |= *changed; 1027 if (list_empty(&msta->rc_list)) 1028 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1029 spin_unlock_bh(&dev->sta_poll_lock); 1030 } 1031 1032 static void mt7915_sta_rc_update(struct ieee80211_hw *hw, 1033 struct ieee80211_vif *vif, 1034 struct ieee80211_sta *sta, 1035 u32 changed) 1036 { 1037 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1038 struct mt7915_dev *dev = phy->dev; 1039 1040 mt7915_sta_rc_work(&changed, sta); 1041 ieee80211_queue_work(hw, &dev->rc_work); 1042 } 1043 1044 static int 1045 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1046 const struct cfg80211_bitrate_mask *mask) 1047 { 1048 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1049 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1050 struct mt7915_dev *dev = phy->dev; 1051 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1052 1053 mvif->bitrate_mask = *mask; 1054 1055 /* if multiple rates across different preambles are given we can 1056 * reconfigure this info with all peers using sta_rec command with 1057 * the below exception cases. 1058 * - single rate : if a rate is passed along with different preambles, 1059 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1060 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1061 * then multiple MCS setting (MCS 4,5,6) is not supported. 1062 */ 1063 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed); 1064 ieee80211_queue_work(hw, &dev->rc_work); 1065 1066 return 0; 1067 } 1068 1069 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw, 1070 struct ieee80211_vif *vif, 1071 struct ieee80211_sta *sta, 1072 bool enabled) 1073 { 1074 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1075 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1076 1077 if (enabled) 1078 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1079 else 1080 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1081 1082 mt7915_mcu_sta_update_hdr_trans(dev, vif, sta); 1083 } 1084 1085 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw, 1086 struct ieee80211_vif *vif, 1087 struct ieee80211_sta *sta, 1088 bool enabled) 1089 { 1090 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1091 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1092 1093 if (enabled) 1094 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1095 else 1096 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1097 1098 mt7915_mcu_sta_update_hdr_trans(dev, vif, sta); 1099 } 1100 1101 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = { 1102 "tx_ampdu_cnt", 1103 "tx_stop_q_empty_cnt", 1104 "tx_mpdu_attempts", 1105 "tx_mpdu_success", 1106 "tx_rwp_fail_cnt", 1107 "tx_rwp_need_cnt", 1108 "tx_pkt_ebf_cnt", 1109 "tx_pkt_ibf_cnt", 1110 "tx_ampdu_len:0-1", 1111 "tx_ampdu_len:2-10", 1112 "tx_ampdu_len:11-19", 1113 "tx_ampdu_len:20-28", 1114 "tx_ampdu_len:29-37", 1115 "tx_ampdu_len:38-46", 1116 "tx_ampdu_len:47-55", 1117 "tx_ampdu_len:56-79", 1118 "tx_ampdu_len:80-103", 1119 "tx_ampdu_len:104-127", 1120 "tx_ampdu_len:128-151", 1121 "tx_ampdu_len:152-175", 1122 "tx_ampdu_len:176-199", 1123 "tx_ampdu_len:200-223", 1124 "tx_ampdu_len:224-247", 1125 "ba_miss_count", 1126 "tx_beamformer_ppdu_iBF", 1127 "tx_beamformer_ppdu_eBF", 1128 "tx_beamformer_rx_feedback_all", 1129 "tx_beamformer_rx_feedback_he", 1130 "tx_beamformer_rx_feedback_vht", 1131 "tx_beamformer_rx_feedback_ht", 1132 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1133 "tx_beamformer_rx_feedback_nc", 1134 "tx_beamformer_rx_feedback_nr", 1135 "tx_beamformee_ok_feedback_pkts", 1136 "tx_beamformee_feedback_trig", 1137 "tx_mu_beamforming", 1138 "tx_mu_mpdu", 1139 "tx_mu_successful_mpdu", 1140 "tx_su_successful_mpdu", 1141 "tx_msdu_pack_1", 1142 "tx_msdu_pack_2", 1143 "tx_msdu_pack_3", 1144 "tx_msdu_pack_4", 1145 "tx_msdu_pack_5", 1146 "tx_msdu_pack_6", 1147 "tx_msdu_pack_7", 1148 "tx_msdu_pack_8", 1149 1150 /* rx counters */ 1151 "rx_fifo_full_cnt", 1152 "rx_mpdu_cnt", 1153 "channel_idle_cnt", 1154 "rx_vector_mismatch_cnt", 1155 "rx_delimiter_fail_cnt", 1156 "rx_len_mismatch_cnt", 1157 "rx_ampdu_cnt", 1158 "rx_ampdu_bytes_cnt", 1159 "rx_ampdu_valid_subframe_cnt", 1160 "rx_ampdu_valid_subframe_b_cnt", 1161 "rx_pfdrop_cnt", 1162 "rx_vec_queue_overflow_drop_cnt", 1163 "rx_ba_cnt", 1164 1165 /* per vif counters */ 1166 "v_tx_mode_cck", 1167 "v_tx_mode_ofdm", 1168 "v_tx_mode_ht", 1169 "v_tx_mode_ht_gf", 1170 "v_tx_mode_vht", 1171 "v_tx_mode_he_su", 1172 "v_tx_mode_he_ext_su", 1173 "v_tx_mode_he_tb", 1174 "v_tx_mode_he_mu", 1175 "v_tx_bw_20", 1176 "v_tx_bw_40", 1177 "v_tx_bw_80", 1178 "v_tx_bw_160", 1179 "v_tx_mcs_0", 1180 "v_tx_mcs_1", 1181 "v_tx_mcs_2", 1182 "v_tx_mcs_3", 1183 "v_tx_mcs_4", 1184 "v_tx_mcs_5", 1185 "v_tx_mcs_6", 1186 "v_tx_mcs_7", 1187 "v_tx_mcs_8", 1188 "v_tx_mcs_9", 1189 "v_tx_mcs_10", 1190 "v_tx_mcs_11", 1191 }; 1192 1193 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats) 1194 1195 /* Ethtool related API */ 1196 static 1197 void mt7915_get_et_strings(struct ieee80211_hw *hw, 1198 struct ieee80211_vif *vif, 1199 u32 sset, u8 *data) 1200 { 1201 if (sset == ETH_SS_STATS) 1202 memcpy(data, *mt7915_gstrings_stats, 1203 sizeof(mt7915_gstrings_stats)); 1204 } 1205 1206 static 1207 int mt7915_get_et_sset_count(struct ieee80211_hw *hw, 1208 struct ieee80211_vif *vif, int sset) 1209 { 1210 if (sset == ETH_SS_STATS) 1211 return MT7915_SSTATS_LEN; 1212 1213 return 0; 1214 } 1215 1216 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1217 { 1218 struct mt76_ethtool_worker_info *wi = wi_data; 1219 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1220 1221 if (msta->vif->mt76.idx != wi->idx) 1222 return; 1223 1224 mt76_ethtool_worker(wi, &msta->stats); 1225 } 1226 1227 static 1228 void mt7915_get_et_stats(struct ieee80211_hw *hw, 1229 struct ieee80211_vif *vif, 1230 struct ethtool_stats *stats, u64 *data) 1231 { 1232 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1233 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1234 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1235 struct mt76_ethtool_worker_info wi = { 1236 .data = data, 1237 .idx = mvif->mt76.idx, 1238 }; 1239 struct mib_stats *mib = &phy->mib; 1240 /* See mt7915_ampdu_stat_read_phy, etc */ 1241 bool ext_phy = phy != &dev->phy; 1242 int i, n, ei = 0; 1243 1244 mutex_lock(&dev->mt76.mutex); 1245 1246 mt7915_mac_update_stats(phy); 1247 1248 data[ei++] = mib->tx_ampdu_cnt; 1249 data[ei++] = mib->tx_stop_q_empty_cnt; 1250 data[ei++] = mib->tx_mpdu_attempts_cnt; 1251 data[ei++] = mib->tx_mpdu_success_cnt; 1252 data[ei++] = mib->tx_rwp_fail_cnt; 1253 data[ei++] = mib->tx_rwp_need_cnt; 1254 data[ei++] = mib->tx_pkt_ebf_cnt; 1255 data[ei++] = mib->tx_pkt_ibf_cnt; 1256 1257 /* Tx ampdu stat */ 1258 n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 1259 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1260 data[ei++] = dev->mt76.aggr_stats[i + n]; 1261 1262 data[ei++] = phy->mib.ba_miss_cnt; 1263 1264 /* Tx Beamformer monitor */ 1265 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1266 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1267 1268 /* Tx Beamformer Rx feedback monitor */ 1269 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1270 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1271 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1272 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1273 1274 data[ei++] = mib->tx_bf_rx_fb_bw; 1275 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1276 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1277 1278 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1279 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1280 data[ei++] = mib->tx_bf_fb_trig_cnt; 1281 1282 /* Tx SU & MU counters */ 1283 data[ei++] = mib->tx_bf_cnt; 1284 data[ei++] = mib->tx_mu_mpdu_cnt; 1285 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1286 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1287 1288 /* Tx amsdu info (pack-count histogram) */ 1289 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1290 data[ei++] = mib->tx_amsdu[i]; 1291 1292 /* rx counters */ 1293 data[ei++] = mib->rx_fifo_full_cnt; 1294 data[ei++] = mib->rx_mpdu_cnt; 1295 data[ei++] = mib->channel_idle_cnt; 1296 data[ei++] = mib->rx_vector_mismatch_cnt; 1297 data[ei++] = mib->rx_delimiter_fail_cnt; 1298 data[ei++] = mib->rx_len_mismatch_cnt; 1299 data[ei++] = mib->rx_ampdu_cnt; 1300 data[ei++] = mib->rx_ampdu_bytes_cnt; 1301 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1302 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1303 data[ei++] = mib->rx_pfdrop_cnt; 1304 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1305 data[ei++] = mib->rx_ba_cnt; 1306 1307 /* Add values for all stations owned by this vif */ 1308 wi.initial_stat_idx = ei; 1309 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); 1310 1311 mutex_unlock(&dev->mt76.mutex); 1312 1313 if (wi.sta_count == 0) 1314 return; 1315 1316 ei += wi.worker_stat_count; 1317 if (ei != MT7915_SSTATS_LEN) 1318 dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d", 1319 ei, (int)MT7915_SSTATS_LEN); 1320 } 1321 1322 static void 1323 mt7915_twt_teardown_request(struct ieee80211_hw *hw, 1324 struct ieee80211_sta *sta, 1325 u8 flowid) 1326 { 1327 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1328 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1329 1330 mutex_lock(&dev->mt76.mutex); 1331 mt7915_mac_twt_teardown_flow(dev, msta, flowid); 1332 mutex_unlock(&dev->mt76.mutex); 1333 } 1334 1335 const struct ieee80211_ops mt7915_ops = { 1336 .tx = mt7915_tx, 1337 .start = mt7915_start, 1338 .stop = mt7915_stop, 1339 .add_interface = mt7915_add_interface, 1340 .remove_interface = mt7915_remove_interface, 1341 .config = mt7915_config, 1342 .conf_tx = mt7915_conf_tx, 1343 .configure_filter = mt7915_configure_filter, 1344 .bss_info_changed = mt7915_bss_info_changed, 1345 .sta_add = mt7915_sta_add, 1346 .sta_remove = mt7915_sta_remove, 1347 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1348 .sta_rc_update = mt7915_sta_rc_update, 1349 .set_key = mt7915_set_key, 1350 .ampdu_action = mt7915_ampdu_action, 1351 .set_rts_threshold = mt7915_set_rts_threshold, 1352 .wake_tx_queue = mt76_wake_tx_queue, 1353 .sw_scan_start = mt76_sw_scan, 1354 .sw_scan_complete = mt76_sw_scan_complete, 1355 .release_buffered_frames = mt76_release_buffered_frames, 1356 .get_txpower = mt76_get_txpower, 1357 .set_sar_specs = mt7915_set_sar_specs, 1358 .channel_switch_beacon = mt7915_channel_switch_beacon, 1359 .get_stats = mt7915_get_stats, 1360 .get_et_sset_count = mt7915_get_et_sset_count, 1361 .get_et_stats = mt7915_get_et_stats, 1362 .get_et_strings = mt7915_get_et_strings, 1363 .get_tsf = mt7915_get_tsf, 1364 .set_tsf = mt7915_set_tsf, 1365 .offset_tsf = mt7915_offset_tsf, 1366 .get_survey = mt76_get_survey, 1367 .get_antenna = mt76_get_antenna, 1368 .set_antenna = mt7915_set_antenna, 1369 .set_bitrate_mask = mt7915_set_bitrate_mask, 1370 .set_coverage_class = mt7915_set_coverage_class, 1371 .sta_statistics = mt7915_sta_statistics, 1372 .sta_set_4addr = mt7915_sta_set_4addr, 1373 .sta_set_decap_offload = mt7915_sta_set_decap_offload, 1374 .add_twt_setup = mt7915_mac_add_twt_setup, 1375 .twt_teardown_request = mt7915_twt_teardown_request, 1376 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1377 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1378 #ifdef CONFIG_MAC80211_DEBUGFS 1379 .sta_add_debugfs = mt7915_sta_add_debugfs, 1380 #endif 1381 }; 1382