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.ext_phy = 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 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 239 if (vif->txq) { 240 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 241 mtxq->wcid = idx; 242 } 243 244 if (vif->type != NL80211_IFTYPE_AP && 245 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 246 vif->offload_flags = 0; 247 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 248 249 mt7915_init_bitrate_mask(vif); 250 memset(&mvif->cap, -1, sizeof(mvif->cap)); 251 252 mt7915_mcu_add_bss_info(phy, vif, true); 253 mt7915_mcu_add_sta(dev, vif, NULL, true); 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, u16 queue, 482 const struct ieee80211_tx_queue_params *params) 483 { 484 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 485 486 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 487 queue = mt76_connac_lmac_mapping(queue); 488 mvif->queue_params[queue] = *params; 489 490 return 0; 491 } 492 493 static void mt7915_configure_filter(struct ieee80211_hw *hw, 494 unsigned int changed_flags, 495 unsigned int *total_flags, 496 u64 multicast) 497 { 498 struct mt7915_dev *dev = mt7915_hw_dev(hw); 499 struct mt7915_phy *phy = mt7915_hw_phy(hw); 500 bool band = phy != &dev->phy; 501 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 502 MT_WF_RFCR1_DROP_BF_POLL | 503 MT_WF_RFCR1_DROP_BA | 504 MT_WF_RFCR1_DROP_CFEND | 505 MT_WF_RFCR1_DROP_CFACK; 506 u32 flags = 0; 507 508 #define MT76_FILTER(_flag, _hw) do { \ 509 flags |= *total_flags & FIF_##_flag; \ 510 phy->rxfilter &= ~(_hw); \ 511 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 512 } while (0) 513 514 mutex_lock(&dev->mt76.mutex); 515 516 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 517 MT_WF_RFCR_DROP_OTHER_BEACON | 518 MT_WF_RFCR_DROP_FRAME_REPORT | 519 MT_WF_RFCR_DROP_PROBEREQ | 520 MT_WF_RFCR_DROP_MCAST_FILTERED | 521 MT_WF_RFCR_DROP_MCAST | 522 MT_WF_RFCR_DROP_BCAST | 523 MT_WF_RFCR_DROP_DUPLICATE | 524 MT_WF_RFCR_DROP_A2_BSSID | 525 MT_WF_RFCR_DROP_UNWANTED_CTL | 526 MT_WF_RFCR_DROP_STBC_MULTI); 527 528 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 529 MT_WF_RFCR_DROP_A3_MAC | 530 MT_WF_RFCR_DROP_A3_BSSID); 531 532 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 533 534 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 535 MT_WF_RFCR_DROP_RTS | 536 MT_WF_RFCR_DROP_CTL_RSV | 537 MT_WF_RFCR_DROP_NDPA); 538 539 *total_flags = flags; 540 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 541 542 if (*total_flags & FIF_CONTROL) 543 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 544 else 545 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 546 547 mutex_unlock(&dev->mt76.mutex); 548 } 549 550 static void 551 mt7915_update_bss_color(struct ieee80211_hw *hw, 552 struct ieee80211_vif *vif, 553 struct cfg80211_he_bss_color *bss_color) 554 { 555 struct mt7915_dev *dev = mt7915_hw_dev(hw); 556 557 switch (vif->type) { 558 case NL80211_IFTYPE_AP: { 559 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 560 561 if (mvif->mt76.omac_idx > HW_BSSID_MAX) 562 return; 563 fallthrough; 564 } 565 case NL80211_IFTYPE_STATION: 566 mt7915_mcu_update_bss_color(dev, vif, bss_color); 567 break; 568 default: 569 break; 570 } 571 } 572 573 static void mt7915_bss_info_changed(struct ieee80211_hw *hw, 574 struct ieee80211_vif *vif, 575 struct ieee80211_bss_conf *info, 576 u64 changed) 577 { 578 struct mt7915_phy *phy = mt7915_hw_phy(hw); 579 struct mt7915_dev *dev = mt7915_hw_dev(hw); 580 581 mutex_lock(&dev->mt76.mutex); 582 583 /* 584 * station mode uses BSSID to map the wlan entry to a peer, 585 * and then peer references bss_info_rfch to set bandwidth cap. 586 */ 587 if (changed & BSS_CHANGED_BSSID && 588 vif->type == NL80211_IFTYPE_STATION) { 589 bool join = !is_zero_ether_addr(info->bssid); 590 591 mt7915_mcu_add_bss_info(phy, vif, join); 592 mt7915_mcu_add_sta(dev, vif, NULL, join); 593 } 594 595 if (changed & BSS_CHANGED_ASSOC) { 596 mt7915_mcu_add_bss_info(phy, vif, vif->cfg.assoc); 597 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 598 } 599 600 if (changed & BSS_CHANGED_ERP_SLOT) { 601 int slottime = info->use_short_slot ? 9 : 20; 602 603 if (slottime != phy->slottime) { 604 phy->slottime = slottime; 605 mt7915_mac_set_timing(phy); 606 } 607 } 608 609 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 610 mt7915_mcu_add_bss_info(phy, vif, true); 611 mt7915_mcu_add_sta(dev, vif, NULL, true); 612 } 613 614 /* ensure that enable txcmd_mode after bss_info */ 615 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 616 mt7915_mcu_set_tx(dev, vif); 617 618 if (changed & BSS_CHANGED_HE_OBSS_PD) 619 mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable); 620 621 if (changed & BSS_CHANGED_HE_BSS_COLOR) 622 mt7915_update_bss_color(hw, vif, &info->he_bss_color); 623 624 if (changed & (BSS_CHANGED_BEACON | 625 BSS_CHANGED_BEACON_ENABLED | 626 BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | 627 BSS_CHANGED_FILS_DISCOVERY)) 628 mt7915_mcu_add_beacon(hw, vif, info->enable_beacon, changed); 629 630 mutex_unlock(&dev->mt76.mutex); 631 } 632 633 static void 634 mt7915_channel_switch_beacon(struct ieee80211_hw *hw, 635 struct ieee80211_vif *vif, 636 struct cfg80211_chan_def *chandef) 637 { 638 struct mt7915_dev *dev = mt7915_hw_dev(hw); 639 640 mutex_lock(&dev->mt76.mutex); 641 mt7915_mcu_add_beacon(hw, vif, true, BSS_CHANGED_BEACON); 642 mutex_unlock(&dev->mt76.mutex); 643 } 644 645 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 646 struct ieee80211_sta *sta) 647 { 648 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 649 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 650 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 651 bool ext_phy = mvif->phy != &dev->phy; 652 int ret, idx; 653 654 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA); 655 if (idx < 0) 656 return -ENOSPC; 657 658 INIT_LIST_HEAD(&msta->rc_list); 659 INIT_LIST_HEAD(&msta->poll_list); 660 msta->vif = mvif; 661 msta->wcid.sta = 1; 662 msta->wcid.idx = idx; 663 msta->wcid.ext_phy = ext_phy; 664 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 665 msta->jiffies = jiffies; 666 667 mt7915_mac_wtbl_update(dev, idx, 668 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 669 670 ret = mt7915_mcu_add_sta(dev, vif, sta, true); 671 if (ret) 672 return ret; 673 674 return mt7915_mcu_add_rate_ctrl(dev, vif, sta, false); 675 } 676 677 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 678 struct ieee80211_sta *sta) 679 { 680 struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); 681 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 682 int i; 683 684 mt7915_mcu_add_sta(dev, vif, sta, false); 685 686 mt7915_mac_wtbl_update(dev, msta->wcid.idx, 687 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 688 689 for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) 690 mt7915_mac_twt_teardown_flow(dev, msta, i); 691 692 spin_lock_bh(&dev->sta_poll_lock); 693 if (!list_empty(&msta->poll_list)) 694 list_del_init(&msta->poll_list); 695 if (!list_empty(&msta->rc_list)) 696 list_del_init(&msta->rc_list); 697 spin_unlock_bh(&dev->sta_poll_lock); 698 } 699 700 static void mt7915_tx(struct ieee80211_hw *hw, 701 struct ieee80211_tx_control *control, 702 struct sk_buff *skb) 703 { 704 struct mt7915_dev *dev = mt7915_hw_dev(hw); 705 struct mt76_phy *mphy = hw->priv; 706 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 707 struct ieee80211_vif *vif = info->control.vif; 708 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 709 710 if (control->sta) { 711 struct mt7915_sta *sta; 712 713 sta = (struct mt7915_sta *)control->sta->drv_priv; 714 wcid = &sta->wcid; 715 } 716 717 if (vif && !control->sta) { 718 struct mt7915_vif *mvif; 719 720 mvif = (struct mt7915_vif *)vif->drv_priv; 721 wcid = &mvif->sta.wcid; 722 } 723 724 mt76_tx(mphy, control->sta, wcid, skb); 725 } 726 727 static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 728 { 729 struct mt7915_dev *dev = mt7915_hw_dev(hw); 730 struct mt7915_phy *phy = mt7915_hw_phy(hw); 731 int ret; 732 733 mutex_lock(&dev->mt76.mutex); 734 ret = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, phy != &dev->phy); 735 mutex_unlock(&dev->mt76.mutex); 736 737 return ret; 738 } 739 740 static int 741 mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 742 struct ieee80211_ampdu_params *params) 743 { 744 enum ieee80211_ampdu_mlme_action action = params->action; 745 struct mt7915_dev *dev = mt7915_hw_dev(hw); 746 struct ieee80211_sta *sta = params->sta; 747 struct ieee80211_txq *txq = sta->txq[params->tid]; 748 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 749 u16 tid = params->tid; 750 u16 ssn = params->ssn; 751 struct mt76_txq *mtxq; 752 int ret = 0; 753 754 if (!txq) 755 return -EINVAL; 756 757 mtxq = (struct mt76_txq *)txq->drv_priv; 758 759 mutex_lock(&dev->mt76.mutex); 760 switch (action) { 761 case IEEE80211_AMPDU_RX_START: 762 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 763 params->buf_size); 764 ret = mt7915_mcu_add_rx_ba(dev, params, true); 765 break; 766 case IEEE80211_AMPDU_RX_STOP: 767 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 768 ret = mt7915_mcu_add_rx_ba(dev, params, false); 769 break; 770 case IEEE80211_AMPDU_TX_OPERATIONAL: 771 mtxq->aggr = true; 772 mtxq->send_bar = false; 773 ret = mt7915_mcu_add_tx_ba(dev, params, true); 774 break; 775 case IEEE80211_AMPDU_TX_STOP_FLUSH: 776 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 777 mtxq->aggr = false; 778 clear_bit(tid, &msta->ampdu_state); 779 ret = mt7915_mcu_add_tx_ba(dev, params, false); 780 break; 781 case IEEE80211_AMPDU_TX_START: 782 set_bit(tid, &msta->ampdu_state); 783 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 784 break; 785 case IEEE80211_AMPDU_TX_STOP_CONT: 786 mtxq->aggr = false; 787 clear_bit(tid, &msta->ampdu_state); 788 ret = mt7915_mcu_add_tx_ba(dev, params, false); 789 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 790 break; 791 } 792 mutex_unlock(&dev->mt76.mutex); 793 794 return ret; 795 } 796 797 static int 798 mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 799 struct ieee80211_sta *sta) 800 { 801 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 802 IEEE80211_STA_NONE); 803 } 804 805 static int 806 mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 807 struct ieee80211_sta *sta) 808 { 809 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 810 IEEE80211_STA_NOTEXIST); 811 } 812 813 static int 814 mt7915_get_stats(struct ieee80211_hw *hw, 815 struct ieee80211_low_level_stats *stats) 816 { 817 struct mt7915_phy *phy = mt7915_hw_phy(hw); 818 struct mt7915_dev *dev = mt7915_hw_dev(hw); 819 struct mib_stats *mib = &phy->mib; 820 821 mutex_lock(&dev->mt76.mutex); 822 823 stats->dot11RTSSuccessCount = mib->rts_cnt; 824 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 825 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 826 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 827 828 mutex_unlock(&dev->mt76.mutex); 829 830 return 0; 831 } 832 833 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif) 834 { 835 struct mt7915_dev *dev = mt7915_hw_dev(hw); 836 struct mt7915_phy *phy = mt7915_hw_phy(hw); 837 bool band = phy != &dev->phy; 838 union { 839 u64 t64; 840 u32 t32[2]; 841 } tsf; 842 u16 n; 843 844 lockdep_assert_held(&dev->mt76.mutex); 845 846 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 847 : mvif->mt76.omac_idx; 848 /* TSF software read */ 849 if (is_mt7915(&dev->mt76)) 850 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 851 MT_LPON_TCR_SW_READ); 852 else 853 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 854 MT_LPON_TCR_SW_READ); 855 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band)); 856 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band)); 857 858 return tsf.t64; 859 } 860 861 static u64 862 mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 863 { 864 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 865 struct mt7915_dev *dev = mt7915_hw_dev(hw); 866 u64 ret; 867 868 mutex_lock(&dev->mt76.mutex); 869 ret = __mt7915_get_tsf(hw, mvif); 870 mutex_unlock(&dev->mt76.mutex); 871 872 return ret; 873 } 874 875 static void 876 mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 877 u64 timestamp) 878 { 879 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 880 struct mt7915_dev *dev = mt7915_hw_dev(hw); 881 struct mt7915_phy *phy = mt7915_hw_phy(hw); 882 bool band = phy != &dev->phy; 883 union { 884 u64 t64; 885 u32 t32[2]; 886 } tsf = { .t64 = timestamp, }; 887 u16 n; 888 889 mutex_lock(&dev->mt76.mutex); 890 891 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 892 : mvif->mt76.omac_idx; 893 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 894 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 895 /* TSF software overwrite */ 896 if (is_mt7915(&dev->mt76)) 897 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 898 MT_LPON_TCR_SW_WRITE); 899 else 900 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 901 MT_LPON_TCR_SW_WRITE); 902 903 mutex_unlock(&dev->mt76.mutex); 904 } 905 906 static void 907 mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 908 s64 timestamp) 909 { 910 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 911 struct mt7915_dev *dev = mt7915_hw_dev(hw); 912 struct mt7915_phy *phy = mt7915_hw_phy(hw); 913 bool band = phy != &dev->phy; 914 union { 915 u64 t64; 916 u32 t32[2]; 917 } tsf = { .t64 = timestamp, }; 918 u16 n; 919 920 mutex_lock(&dev->mt76.mutex); 921 922 n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0 923 : mvif->mt76.omac_idx; 924 mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]); 925 mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]); 926 /* TSF software adjust*/ 927 if (is_mt7915(&dev->mt76)) 928 mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE, 929 MT_LPON_TCR_SW_ADJUST); 930 else 931 mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE, 932 MT_LPON_TCR_SW_ADJUST); 933 934 mutex_unlock(&dev->mt76.mutex); 935 } 936 937 static void 938 mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 939 { 940 struct mt7915_phy *phy = mt7915_hw_phy(hw); 941 struct mt7915_dev *dev = phy->dev; 942 943 mutex_lock(&dev->mt76.mutex); 944 phy->coverage_class = max_t(s16, coverage_class, 0); 945 mt7915_mac_set_timing(phy); 946 mutex_unlock(&dev->mt76.mutex); 947 } 948 949 static int 950 mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 951 { 952 struct mt7915_dev *dev = mt7915_hw_dev(hw); 953 struct mt7915_phy *phy = mt7915_hw_phy(hw); 954 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 955 bool ext_phy = phy != &dev->phy; 956 957 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 958 return -EINVAL; 959 960 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 961 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 962 963 mutex_lock(&dev->mt76.mutex); 964 965 phy->mt76->antenna_mask = tx_ant; 966 967 if (ext_phy) 968 tx_ant <<= dev->chainshift; 969 970 phy->mt76->chainmask = tx_ant; 971 972 mt76_set_stream_caps(phy->mt76, true); 973 mt7915_set_stream_vht_txbf_caps(phy); 974 mt7915_set_stream_he_caps(phy); 975 976 mutex_unlock(&dev->mt76.mutex); 977 978 return 0; 979 } 980 981 static void mt7915_sta_statistics(struct ieee80211_hw *hw, 982 struct ieee80211_vif *vif, 983 struct ieee80211_sta *sta, 984 struct station_info *sinfo) 985 { 986 struct mt7915_phy *phy = mt7915_hw_phy(hw); 987 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 988 struct rate_info *txrate = &msta->wcid.rate; 989 struct rate_info rxrate = {}; 990 991 if (is_mt7915(&phy->dev->mt76) && 992 !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) { 993 sinfo->rxrate = rxrate; 994 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 995 } 996 997 if (!txrate->legacy && !txrate->flags) 998 return; 999 1000 if (txrate->legacy) { 1001 sinfo->txrate.legacy = txrate->legacy; 1002 } else { 1003 sinfo->txrate.mcs = txrate->mcs; 1004 sinfo->txrate.nss = txrate->nss; 1005 sinfo->txrate.bw = txrate->bw; 1006 sinfo->txrate.he_gi = txrate->he_gi; 1007 sinfo->txrate.he_dcm = txrate->he_dcm; 1008 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1009 } 1010 sinfo->txrate.flags = txrate->flags; 1011 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1012 } 1013 1014 static void mt7915_sta_rc_work(void *data, struct ieee80211_sta *sta) 1015 { 1016 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1017 struct mt7915_dev *dev = msta->vif->phy->dev; 1018 u32 *changed = data; 1019 1020 spin_lock_bh(&dev->sta_poll_lock); 1021 msta->changed |= *changed; 1022 if (list_empty(&msta->rc_list)) 1023 list_add_tail(&msta->rc_list, &dev->sta_rc_list); 1024 spin_unlock_bh(&dev->sta_poll_lock); 1025 } 1026 1027 static void mt7915_sta_rc_update(struct ieee80211_hw *hw, 1028 struct ieee80211_vif *vif, 1029 struct ieee80211_sta *sta, 1030 u32 changed) 1031 { 1032 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1033 struct mt7915_dev *dev = phy->dev; 1034 1035 mt7915_sta_rc_work(&changed, sta); 1036 ieee80211_queue_work(hw, &dev->rc_work); 1037 } 1038 1039 static int 1040 mt7915_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1041 const struct cfg80211_bitrate_mask *mask) 1042 { 1043 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1044 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1045 struct mt7915_dev *dev = phy->dev; 1046 u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED; 1047 1048 mvif->bitrate_mask = *mask; 1049 1050 /* if multiple rates across different preambles are given we can 1051 * reconfigure this info with all peers using sta_rec command with 1052 * the below exception cases. 1053 * - single rate : if a rate is passed along with different preambles, 1054 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers. 1055 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT 1056 * then multiple MCS setting (MCS 4,5,6) is not supported. 1057 */ 1058 ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed); 1059 ieee80211_queue_work(hw, &dev->rc_work); 1060 1061 return 0; 1062 } 1063 1064 static void mt7915_sta_set_4addr(struct ieee80211_hw *hw, 1065 struct ieee80211_vif *vif, 1066 struct ieee80211_sta *sta, 1067 bool enabled) 1068 { 1069 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1070 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1071 1072 if (enabled) 1073 set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1074 else 1075 clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags); 1076 1077 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1078 } 1079 1080 static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw, 1081 struct ieee80211_vif *vif, 1082 struct ieee80211_sta *sta, 1083 bool enabled) 1084 { 1085 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1086 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1087 1088 if (enabled) 1089 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1090 else 1091 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1092 1093 mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta); 1094 } 1095 1096 static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = { 1097 "tx_ampdu_cnt", 1098 "tx_stop_q_empty_cnt", 1099 "tx_mpdu_attempts", 1100 "tx_mpdu_success", 1101 "tx_rwp_fail_cnt", 1102 "tx_rwp_need_cnt", 1103 "tx_pkt_ebf_cnt", 1104 "tx_pkt_ibf_cnt", 1105 "tx_ampdu_len:0-1", 1106 "tx_ampdu_len:2-10", 1107 "tx_ampdu_len:11-19", 1108 "tx_ampdu_len:20-28", 1109 "tx_ampdu_len:29-37", 1110 "tx_ampdu_len:38-46", 1111 "tx_ampdu_len:47-55", 1112 "tx_ampdu_len:56-79", 1113 "tx_ampdu_len:80-103", 1114 "tx_ampdu_len:104-127", 1115 "tx_ampdu_len:128-151", 1116 "tx_ampdu_len:152-175", 1117 "tx_ampdu_len:176-199", 1118 "tx_ampdu_len:200-223", 1119 "tx_ampdu_len:224-247", 1120 "ba_miss_count", 1121 "tx_beamformer_ppdu_iBF", 1122 "tx_beamformer_ppdu_eBF", 1123 "tx_beamformer_rx_feedback_all", 1124 "tx_beamformer_rx_feedback_he", 1125 "tx_beamformer_rx_feedback_vht", 1126 "tx_beamformer_rx_feedback_ht", 1127 "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */ 1128 "tx_beamformer_rx_feedback_nc", 1129 "tx_beamformer_rx_feedback_nr", 1130 "tx_beamformee_ok_feedback_pkts", 1131 "tx_beamformee_feedback_trig", 1132 "tx_mu_beamforming", 1133 "tx_mu_mpdu", 1134 "tx_mu_successful_mpdu", 1135 "tx_su_successful_mpdu", 1136 "tx_msdu_pack_1", 1137 "tx_msdu_pack_2", 1138 "tx_msdu_pack_3", 1139 "tx_msdu_pack_4", 1140 "tx_msdu_pack_5", 1141 "tx_msdu_pack_6", 1142 "tx_msdu_pack_7", 1143 "tx_msdu_pack_8", 1144 1145 /* rx counters */ 1146 "rx_fifo_full_cnt", 1147 "rx_mpdu_cnt", 1148 "channel_idle_cnt", 1149 "rx_vector_mismatch_cnt", 1150 "rx_delimiter_fail_cnt", 1151 "rx_len_mismatch_cnt", 1152 "rx_ampdu_cnt", 1153 "rx_ampdu_bytes_cnt", 1154 "rx_ampdu_valid_subframe_cnt", 1155 "rx_ampdu_valid_subframe_b_cnt", 1156 "rx_pfdrop_cnt", 1157 "rx_vec_queue_overflow_drop_cnt", 1158 "rx_ba_cnt", 1159 1160 /* per vif counters */ 1161 "v_tx_mode_cck", 1162 "v_tx_mode_ofdm", 1163 "v_tx_mode_ht", 1164 "v_tx_mode_ht_gf", 1165 "v_tx_mode_vht", 1166 "v_tx_mode_he_su", 1167 "v_tx_mode_he_ext_su", 1168 "v_tx_mode_he_tb", 1169 "v_tx_mode_he_mu", 1170 "v_tx_bw_20", 1171 "v_tx_bw_40", 1172 "v_tx_bw_80", 1173 "v_tx_bw_160", 1174 "v_tx_mcs_0", 1175 "v_tx_mcs_1", 1176 "v_tx_mcs_2", 1177 "v_tx_mcs_3", 1178 "v_tx_mcs_4", 1179 "v_tx_mcs_5", 1180 "v_tx_mcs_6", 1181 "v_tx_mcs_7", 1182 "v_tx_mcs_8", 1183 "v_tx_mcs_9", 1184 "v_tx_mcs_10", 1185 "v_tx_mcs_11", 1186 }; 1187 1188 #define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats) 1189 1190 /* Ethtool related API */ 1191 static 1192 void mt7915_get_et_strings(struct ieee80211_hw *hw, 1193 struct ieee80211_vif *vif, 1194 u32 sset, u8 *data) 1195 { 1196 if (sset == ETH_SS_STATS) 1197 memcpy(data, *mt7915_gstrings_stats, 1198 sizeof(mt7915_gstrings_stats)); 1199 } 1200 1201 static 1202 int mt7915_get_et_sset_count(struct ieee80211_hw *hw, 1203 struct ieee80211_vif *vif, int sset) 1204 { 1205 if (sset == ETH_SS_STATS) 1206 return MT7915_SSTATS_LEN; 1207 1208 return 0; 1209 } 1210 1211 static void mt7915_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1212 { 1213 struct mt76_ethtool_worker_info *wi = wi_data; 1214 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1215 1216 if (msta->vif->mt76.idx != wi->idx) 1217 return; 1218 1219 mt76_ethtool_worker(wi, &msta->stats); 1220 } 1221 1222 static 1223 void mt7915_get_et_stats(struct ieee80211_hw *hw, 1224 struct ieee80211_vif *vif, 1225 struct ethtool_stats *stats, u64 *data) 1226 { 1227 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1228 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1229 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1230 struct mt76_ethtool_worker_info wi = { 1231 .data = data, 1232 .idx = mvif->mt76.idx, 1233 }; 1234 struct mib_stats *mib = &phy->mib; 1235 /* See mt7915_ampdu_stat_read_phy, etc */ 1236 int i, n, ei = 0; 1237 1238 mutex_lock(&dev->mt76.mutex); 1239 1240 mt7915_mac_update_stats(phy); 1241 1242 data[ei++] = mib->tx_ampdu_cnt; 1243 data[ei++] = mib->tx_stop_q_empty_cnt; 1244 data[ei++] = mib->tx_mpdu_attempts_cnt; 1245 data[ei++] = mib->tx_mpdu_success_cnt; 1246 data[ei++] = mib->tx_rwp_fail_cnt; 1247 data[ei++] = mib->tx_rwp_need_cnt; 1248 data[ei++] = mib->tx_pkt_ebf_cnt; 1249 data[ei++] = mib->tx_pkt_ibf_cnt; 1250 1251 /* Tx ampdu stat */ 1252 n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; 1253 for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++) 1254 data[ei++] = dev->mt76.aggr_stats[i + n]; 1255 1256 data[ei++] = phy->mib.ba_miss_cnt; 1257 1258 /* Tx Beamformer monitor */ 1259 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1260 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1261 1262 /* Tx Beamformer Rx feedback monitor */ 1263 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1264 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1265 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1266 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1267 1268 data[ei++] = mib->tx_bf_rx_fb_bw; 1269 data[ei++] = mib->tx_bf_rx_fb_nc_cnt; 1270 data[ei++] = mib->tx_bf_rx_fb_nr_cnt; 1271 1272 /* Tx Beamformee Rx NDPA & Tx feedback report */ 1273 data[ei++] = mib->tx_bf_fb_cpl_cnt; 1274 data[ei++] = mib->tx_bf_fb_trig_cnt; 1275 1276 /* Tx SU & MU counters */ 1277 data[ei++] = mib->tx_bf_cnt; 1278 data[ei++] = mib->tx_mu_mpdu_cnt; 1279 data[ei++] = mib->tx_mu_acked_mpdu_cnt; 1280 data[ei++] = mib->tx_su_acked_mpdu_cnt; 1281 1282 /* Tx amsdu info (pack-count histogram) */ 1283 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1284 data[ei++] = mib->tx_amsdu[i]; 1285 1286 /* rx counters */ 1287 data[ei++] = mib->rx_fifo_full_cnt; 1288 data[ei++] = mib->rx_mpdu_cnt; 1289 data[ei++] = mib->channel_idle_cnt; 1290 data[ei++] = mib->rx_vector_mismatch_cnt; 1291 data[ei++] = mib->rx_delimiter_fail_cnt; 1292 data[ei++] = mib->rx_len_mismatch_cnt; 1293 data[ei++] = mib->rx_ampdu_cnt; 1294 data[ei++] = mib->rx_ampdu_bytes_cnt; 1295 data[ei++] = mib->rx_ampdu_valid_subframe_cnt; 1296 data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt; 1297 data[ei++] = mib->rx_pfdrop_cnt; 1298 data[ei++] = mib->rx_vec_queue_overflow_drop_cnt; 1299 data[ei++] = mib->rx_ba_cnt; 1300 1301 /* Add values for all stations owned by this vif */ 1302 wi.initial_stat_idx = ei; 1303 ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); 1304 1305 mutex_unlock(&dev->mt76.mutex); 1306 1307 if (wi.sta_count == 0) 1308 return; 1309 1310 ei += wi.worker_stat_count; 1311 if (ei != MT7915_SSTATS_LEN) 1312 dev_err(dev->mt76.dev, "ei: %d MT7915_SSTATS_LEN: %d", 1313 ei, (int)MT7915_SSTATS_LEN); 1314 } 1315 1316 static void 1317 mt7915_twt_teardown_request(struct ieee80211_hw *hw, 1318 struct ieee80211_sta *sta, 1319 u8 flowid) 1320 { 1321 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1322 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1323 1324 mutex_lock(&dev->mt76.mutex); 1325 mt7915_mac_twt_teardown_flow(dev, msta, flowid); 1326 mutex_unlock(&dev->mt76.mutex); 1327 } 1328 1329 static int 1330 mt7915_set_radar_background(struct ieee80211_hw *hw, 1331 struct cfg80211_chan_def *chandef) 1332 { 1333 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1334 struct mt7915_dev *dev = phy->dev; 1335 int ret = -EINVAL; 1336 bool running; 1337 1338 mutex_lock(&dev->mt76.mutex); 1339 1340 if (dev->mt76.region == NL80211_DFS_UNSET) 1341 goto out; 1342 1343 if (dev->rdd2_phy && dev->rdd2_phy != phy) { 1344 /* rdd2 is already locked */ 1345 ret = -EBUSY; 1346 goto out; 1347 } 1348 1349 /* rdd2 already configured on a radar channel */ 1350 running = dev->rdd2_phy && 1351 cfg80211_chandef_valid(&dev->rdd2_chandef) && 1352 !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); 1353 1354 if (!chandef || running || 1355 !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { 1356 ret = mt7915_mcu_rdd_background_enable(phy, NULL); 1357 if (ret) 1358 goto out; 1359 1360 if (!running) 1361 goto update_phy; 1362 } 1363 1364 ret = mt7915_mcu_rdd_background_enable(phy, chandef); 1365 if (ret) 1366 goto out; 1367 1368 update_phy: 1369 dev->rdd2_phy = chandef ? phy : NULL; 1370 if (chandef) 1371 dev->rdd2_chandef = *chandef; 1372 out: 1373 mutex_unlock(&dev->mt76.mutex); 1374 1375 return ret; 1376 } 1377 1378 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1379 static int 1380 mt7915_net_fill_forward_path(struct ieee80211_hw *hw, 1381 struct ieee80211_vif *vif, 1382 struct ieee80211_sta *sta, 1383 struct net_device_path_ctx *ctx, 1384 struct net_device_path *path) 1385 { 1386 struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv; 1387 struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; 1388 struct mt7915_dev *dev = mt7915_hw_dev(hw); 1389 struct mt7915_phy *phy = mt7915_hw_phy(hw); 1390 struct mtk_wed_device *wed = &dev->mt76.mmio.wed; 1391 1392 if (!mtk_wed_device_active(wed)) 1393 return -ENODEV; 1394 1395 if (msta->wcid.idx > 0xff) 1396 return -EIO; 1397 1398 path->type = DEV_PATH_MTK_WDMA; 1399 path->dev = ctx->dev; 1400 path->mtk_wdma.wdma_idx = wed->wdma_idx; 1401 path->mtk_wdma.bss = mvif->mt76.idx; 1402 path->mtk_wdma.wcid = msta->wcid.idx; 1403 path->mtk_wdma.queue = phy != &dev->phy; 1404 1405 ctx->dev = NULL; 1406 1407 return 0; 1408 } 1409 #endif 1410 1411 const struct ieee80211_ops mt7915_ops = { 1412 .tx = mt7915_tx, 1413 .start = mt7915_start, 1414 .stop = mt7915_stop, 1415 .add_interface = mt7915_add_interface, 1416 .remove_interface = mt7915_remove_interface, 1417 .config = mt7915_config, 1418 .conf_tx = mt7915_conf_tx, 1419 .configure_filter = mt7915_configure_filter, 1420 .bss_info_changed = mt7915_bss_info_changed, 1421 .sta_add = mt7915_sta_add, 1422 .sta_remove = mt7915_sta_remove, 1423 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1424 .sta_rc_update = mt7915_sta_rc_update, 1425 .set_key = mt7915_set_key, 1426 .ampdu_action = mt7915_ampdu_action, 1427 .set_rts_threshold = mt7915_set_rts_threshold, 1428 .wake_tx_queue = mt76_wake_tx_queue, 1429 .sw_scan_start = mt76_sw_scan, 1430 .sw_scan_complete = mt76_sw_scan_complete, 1431 .release_buffered_frames = mt76_release_buffered_frames, 1432 .get_txpower = mt76_get_txpower, 1433 .set_sar_specs = mt7915_set_sar_specs, 1434 .channel_switch_beacon = mt7915_channel_switch_beacon, 1435 .get_stats = mt7915_get_stats, 1436 .get_et_sset_count = mt7915_get_et_sset_count, 1437 .get_et_stats = mt7915_get_et_stats, 1438 .get_et_strings = mt7915_get_et_strings, 1439 .get_tsf = mt7915_get_tsf, 1440 .set_tsf = mt7915_set_tsf, 1441 .offset_tsf = mt7915_offset_tsf, 1442 .get_survey = mt76_get_survey, 1443 .get_antenna = mt76_get_antenna, 1444 .set_antenna = mt7915_set_antenna, 1445 .set_bitrate_mask = mt7915_set_bitrate_mask, 1446 .set_coverage_class = mt7915_set_coverage_class, 1447 .sta_statistics = mt7915_sta_statistics, 1448 .sta_set_4addr = mt7915_sta_set_4addr, 1449 .sta_set_decap_offload = mt7915_sta_set_decap_offload, 1450 .add_twt_setup = mt7915_mac_add_twt_setup, 1451 .twt_teardown_request = mt7915_twt_teardown_request, 1452 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1453 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1454 #ifdef CONFIG_MAC80211_DEBUGFS 1455 .sta_add_debugfs = mt7915_sta_add_debugfs, 1456 #endif 1457 .set_radar_background = mt7915_set_radar_background, 1458 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 1459 .net_fill_forward_path = mt7915_net_fill_forward_path, 1460 #endif 1461 }; 1462