1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2019 MediaTek Inc. 3 * 4 * Author: Roy Luo <royluo@google.com> 5 * Ryder Lee <ryder.lee@mediatek.com> 6 * Felix Fietkau <nbd@nbd.name> 7 * Lorenzo Bianconi <lorenzo@kernel.org> 8 */ 9 10 #include <linux/etherdevice.h> 11 #include <linux/module.h> 12 #include "mt7615.h" 13 #include "mcu.h" 14 15 static bool mt7615_dev_running(struct mt7615_dev *dev) 16 { 17 struct mt7615_phy *phy; 18 19 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 20 return true; 21 22 phy = mt7615_ext_phy(dev); 23 24 return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state); 25 } 26 27 static int mt7615_start(struct ieee80211_hw *hw) 28 { 29 struct mt7615_dev *dev = mt7615_hw_dev(hw); 30 struct mt7615_phy *phy = mt7615_hw_phy(hw); 31 unsigned long timeout; 32 bool running; 33 int ret; 34 35 if (!mt7615_wait_for_mcu_init(dev)) 36 return -EIO; 37 38 mt7615_mutex_acquire(dev); 39 40 running = mt7615_dev_running(dev); 41 42 if (!running) { 43 ret = mt7615_mcu_set_pm(dev, 0, 0); 44 if (ret) 45 goto out; 46 47 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false); 48 if (ret) 49 goto out; 50 51 mt7615_mac_enable_nf(dev, 0); 52 } 53 54 if (phy != &dev->phy) { 55 ret = mt7615_mcu_set_pm(dev, 1, 0); 56 if (ret) 57 goto out; 58 59 ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false); 60 if (ret) 61 goto out; 62 63 mt7615_mac_enable_nf(dev, 1); 64 } 65 66 if (mt7615_firmware_offload(dev)) { 67 ret = mt76_connac_mcu_set_channel_domain(phy->mt76); 68 if (ret) 69 goto out; 70 71 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 72 if (ret) 73 goto out; 74 } 75 76 ret = mt7615_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 timeout = mt7615_get_macwork_timeout(dev); 83 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); 84 85 if (!running) 86 mt7615_mac_reset_counters(dev); 87 88 out: 89 mt7615_mutex_release(dev); 90 91 return ret; 92 } 93 94 static void mt7615_stop(struct ieee80211_hw *hw) 95 { 96 struct mt7615_dev *dev = mt7615_hw_dev(hw); 97 struct mt7615_phy *phy = mt7615_hw_phy(hw); 98 99 cancel_delayed_work_sync(&phy->mt76->mac_work); 100 del_timer_sync(&phy->roc_timer); 101 cancel_work_sync(&phy->roc_work); 102 103 cancel_delayed_work_sync(&dev->pm.ps_work); 104 cancel_work_sync(&dev->pm.wake_work); 105 106 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 107 108 mt7615_mutex_acquire(dev); 109 110 mt76_testmode_reset(phy->mt76, true); 111 112 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 113 cancel_delayed_work_sync(&phy->scan_work); 114 115 if (phy != &dev->phy) { 116 mt7615_mcu_set_pm(dev, 1, 1); 117 mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false); 118 } 119 120 if (!mt7615_dev_running(dev)) { 121 mt7615_mcu_set_pm(dev, 0, 1); 122 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 123 } 124 125 mt7615_mutex_release(dev); 126 } 127 128 static inline int get_free_idx(u32 mask, u8 start, u8 end) 129 { 130 return ffs(~mask & GENMASK(end, start)); 131 } 132 133 static int get_omac_idx(enum nl80211_iftype type, u64 mask) 134 { 135 int i; 136 137 switch (type) { 138 case NL80211_IFTYPE_STATION: 139 /* prefer hw bssid slot 1-3 */ 140 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3); 141 if (i) 142 return i - 1; 143 144 /* next, try to find a free repeater entry for the sta */ 145 i = get_free_idx(mask >> REPEATER_BSSID_START, 0, 146 REPEATER_BSSID_MAX - REPEATER_BSSID_START); 147 if (i) 148 return i + 32 - 1; 149 150 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 151 if (i) 152 return i - 1; 153 154 if (~mask & BIT(HW_BSSID_0)) 155 return HW_BSSID_0; 156 157 break; 158 case NL80211_IFTYPE_ADHOC: 159 case NL80211_IFTYPE_MESH_POINT: 160 case NL80211_IFTYPE_MONITOR: 161 case NL80211_IFTYPE_AP: 162 /* ap uses hw bssid 0 and ext bssid */ 163 if (~mask & BIT(HW_BSSID_0)) 164 return HW_BSSID_0; 165 166 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX); 167 if (i) 168 return i - 1; 169 170 break; 171 default: 172 WARN_ON(1); 173 break; 174 } 175 176 return -1; 177 } 178 179 static int mt7615_add_interface(struct ieee80211_hw *hw, 180 struct ieee80211_vif *vif) 181 { 182 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 183 struct mt7615_dev *dev = mt7615_hw_dev(hw); 184 struct mt7615_phy *phy = mt7615_hw_phy(hw); 185 struct mt76_txq *mtxq; 186 bool ext_phy = phy != &dev->phy; 187 int idx, ret = 0; 188 189 mt7615_mutex_acquire(dev); 190 191 mt76_testmode_reset(phy->mt76, true); 192 193 if (vif->type == NL80211_IFTYPE_MONITOR && 194 is_zero_ether_addr(vif->addr)) 195 phy->monitor_vif = vif; 196 197 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 198 if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) { 199 ret = -ENOSPC; 200 goto out; 201 } 202 203 idx = get_omac_idx(vif->type, dev->omac_mask); 204 if (idx < 0) { 205 ret = -ENOSPC; 206 goto out; 207 } 208 mvif->mt76.omac_idx = idx; 209 210 mvif->mt76.band_idx = ext_phy; 211 mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP; 212 if (ext_phy) 213 mvif->mt76.wmm_idx += 2; 214 215 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 216 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 217 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 218 219 ret = mt7615_mcu_set_dbdc(dev); 220 if (ret) 221 goto out; 222 223 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx; 224 225 INIT_LIST_HEAD(&mvif->sta.poll_list); 226 mvif->sta.wcid.idx = idx; 227 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 228 mvif->sta.wcid.hw_key_idx = -1; 229 mt76_packet_id_init(&mvif->sta.wcid); 230 231 mt7615_mac_wtbl_update(dev, idx, 232 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 233 234 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 235 if (vif->txq) { 236 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 237 mtxq->wcid = &mvif->sta.wcid; 238 } 239 240 ret = mt7615_mcu_add_dev_info(phy, vif, true); 241 out: 242 mt7615_mutex_release(dev); 243 244 return ret; 245 } 246 247 static void mt7615_remove_interface(struct ieee80211_hw *hw, 248 struct ieee80211_vif *vif) 249 { 250 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 251 struct mt7615_sta *msta = &mvif->sta; 252 struct mt7615_dev *dev = mt7615_hw_dev(hw); 253 struct mt7615_phy *phy = mt7615_hw_phy(hw); 254 int idx = msta->wcid.idx; 255 256 mt7615_mutex_acquire(dev); 257 258 mt7615_mcu_add_bss_info(phy, vif, NULL, false); 259 mt7615_mcu_sta_add(phy, vif, NULL, false); 260 261 mt76_testmode_reset(phy->mt76, true); 262 if (vif == phy->monitor_vif) 263 phy->monitor_vif = NULL; 264 265 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 266 267 mt7615_mcu_add_dev_info(phy, vif, false); 268 269 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 270 271 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 272 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 273 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 274 275 mt7615_mutex_release(dev); 276 277 spin_lock_bh(&dev->sta_poll_lock); 278 if (!list_empty(&msta->poll_list)) 279 list_del_init(&msta->poll_list); 280 spin_unlock_bh(&dev->sta_poll_lock); 281 282 mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid); 283 } 284 285 static void mt7615_init_dfs_state(struct mt7615_phy *phy) 286 { 287 struct mt76_phy *mphy = phy->mt76; 288 struct ieee80211_hw *hw = mphy->hw; 289 struct cfg80211_chan_def *chandef = &hw->conf.chandef; 290 291 if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 292 return; 293 294 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR) && 295 !(mphy->chandef.chan->flags & IEEE80211_CHAN_RADAR)) 296 return; 297 298 if (mphy->chandef.chan->center_freq == chandef->chan->center_freq && 299 mphy->chandef.width == chandef->width) 300 return; 301 302 phy->dfs_state = -1; 303 } 304 305 int mt7615_set_channel(struct mt7615_phy *phy) 306 { 307 struct mt7615_dev *dev = phy->dev; 308 bool ext_phy = phy != &dev->phy; 309 int ret; 310 311 cancel_delayed_work_sync(&phy->mt76->mac_work); 312 313 mt7615_mutex_acquire(dev); 314 315 set_bit(MT76_RESET, &phy->mt76->state); 316 317 mt7615_init_dfs_state(phy); 318 mt76_set_channel(phy->mt76); 319 320 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { 321 ret = mt7615_mcu_apply_rx_dcoc(phy); 322 if (ret) 323 goto out; 324 325 ret = mt7615_mcu_apply_tx_dpd(phy); 326 if (ret) 327 goto out; 328 } 329 330 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 331 if (ret) 332 goto out; 333 334 mt7615_mac_set_timing(phy); 335 ret = mt7615_dfs_init_radar_detector(phy); 336 if (ret) 337 goto out; 338 339 mt7615_mac_cca_stats_reset(phy); 340 ret = mt7615_mcu_set_sku_en(phy, true); 341 if (ret) 342 goto out; 343 344 mt7615_mac_reset_counters(dev); 345 phy->noise = 0; 346 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); 347 348 out: 349 clear_bit(MT76_RESET, &phy->mt76->state); 350 351 mt7615_mutex_release(dev); 352 353 mt76_worker_schedule(&dev->mt76.tx_worker); 354 if (!mt76_testmode_enabled(phy->mt76)) { 355 unsigned long timeout = mt7615_get_macwork_timeout(dev); 356 357 ieee80211_queue_delayed_work(phy->mt76->hw, 358 &phy->mt76->mac_work, timeout); 359 } 360 361 return ret; 362 } 363 364 static int mt7615_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 mt7615_dev *dev = mt7615_hw_dev(hw); 369 struct mt7615_phy *phy = mt7615_hw_phy(hw); 370 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 371 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : 372 &mvif->sta; 373 struct mt76_wcid *wcid = &msta->wcid; 374 int idx = key->keyidx, err = 0; 375 u8 *wcid_keyidx = &wcid->hw_key_idx; 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 mt7615_mutex_acquire(dev); 407 408 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 409 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 410 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 411 } 412 413 if (cmd == SET_KEY) 414 *wcid_keyidx = idx; 415 else if (idx == *wcid_keyidx) 416 *wcid_keyidx = -1; 417 else 418 goto out; 419 420 mt76_wcid_key_setup(&dev->mt76, wcid, 421 cmd == SET_KEY ? key : NULL); 422 423 if (mt76_is_mmio(&dev->mt76)) 424 err = mt7615_mac_wtbl_set_key(dev, wcid, key, cmd); 425 else 426 err = __mt7615_mac_wtbl_set_key(dev, wcid, key, cmd); 427 428 out: 429 mt7615_mutex_release(dev); 430 431 return err; 432 } 433 434 static int mt7615_set_sar_specs(struct ieee80211_hw *hw, 435 const struct cfg80211_sar_specs *sar) 436 { 437 struct mt7615_phy *phy = mt7615_hw_phy(hw); 438 int err; 439 440 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 441 return -EINVAL; 442 443 err = mt76_init_sar_power(hw, sar); 444 if (err) 445 return err; 446 447 if (mt7615_firmware_offload(phy->dev)) 448 return mt76_connac_mcu_set_rate_txpower(phy->mt76); 449 450 ieee80211_stop_queues(hw); 451 err = mt7615_set_channel(phy); 452 ieee80211_wake_queues(hw); 453 454 return err; 455 } 456 457 static int mt7615_config(struct ieee80211_hw *hw, u32 changed) 458 { 459 struct mt7615_dev *dev = mt7615_hw_dev(hw); 460 struct mt7615_phy *phy = mt7615_hw_phy(hw); 461 bool band = phy != &dev->phy; 462 int ret = 0; 463 464 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 465 IEEE80211_CONF_CHANGE_POWER)) { 466 #ifdef CONFIG_NL80211_TESTMODE 467 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 468 mt7615_mutex_acquire(dev); 469 mt76_testmode_reset(phy->mt76, false); 470 mt7615_mutex_release(dev); 471 } 472 #endif 473 ieee80211_stop_queues(hw); 474 ret = mt7615_set_channel(phy); 475 ieee80211_wake_queues(hw); 476 } 477 478 mt7615_mutex_acquire(dev); 479 480 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 481 mt76_testmode_reset(phy->mt76, true); 482 483 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 484 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 485 else 486 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 487 488 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 489 } 490 491 mt7615_mutex_release(dev); 492 493 return ret; 494 } 495 496 static int 497 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 498 const struct ieee80211_tx_queue_params *params) 499 { 500 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 501 struct mt7615_dev *dev = mt7615_hw_dev(hw); 502 int err; 503 504 mt7615_mutex_acquire(dev); 505 506 queue = mt7615_lmac_mapping(dev, queue); 507 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; 508 err = mt7615_mcu_set_wmm(dev, queue, params); 509 510 mt7615_mutex_release(dev); 511 512 return err; 513 } 514 515 static void mt7615_configure_filter(struct ieee80211_hw *hw, 516 unsigned int changed_flags, 517 unsigned int *total_flags, 518 u64 multicast) 519 { 520 struct mt7615_dev *dev = mt7615_hw_dev(hw); 521 struct mt7615_phy *phy = mt7615_hw_phy(hw); 522 bool band = phy != &dev->phy; 523 524 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 525 MT_WF_RFCR1_DROP_BF_POLL | 526 MT_WF_RFCR1_DROP_BA | 527 MT_WF_RFCR1_DROP_CFEND | 528 MT_WF_RFCR1_DROP_CFACK; 529 u32 flags = 0; 530 531 mt7615_mutex_acquire(dev); 532 533 #define MT76_FILTER(_flag, _hw) do { \ 534 flags |= *total_flags & FIF_##_flag; \ 535 phy->rxfilter &= ~(_hw); \ 536 if (!mt76_testmode_enabled(phy->mt76)) \ 537 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ 538 } while (0) 539 540 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 541 MT_WF_RFCR_DROP_FRAME_REPORT | 542 MT_WF_RFCR_DROP_PROBEREQ | 543 MT_WF_RFCR_DROP_MCAST_FILTERED | 544 MT_WF_RFCR_DROP_MCAST | 545 MT_WF_RFCR_DROP_BCAST | 546 MT_WF_RFCR_DROP_DUPLICATE | 547 MT_WF_RFCR_DROP_A2_BSSID | 548 MT_WF_RFCR_DROP_UNWANTED_CTL | 549 MT_WF_RFCR_DROP_STBC_MULTI); 550 551 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) 552 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; 553 554 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 555 MT_WF_RFCR_DROP_A3_MAC | 556 MT_WF_RFCR_DROP_A3_BSSID); 557 558 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 559 560 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 561 MT_WF_RFCR_DROP_RTS | 562 MT_WF_RFCR_DROP_CTL_RSV | 563 MT_WF_RFCR_DROP_NDPA); 564 565 *total_flags = flags; 566 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 567 568 if (*total_flags & FIF_CONTROL) 569 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 570 else 571 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 572 573 mt7615_mutex_release(dev); 574 } 575 576 static void mt7615_bss_info_changed(struct ieee80211_hw *hw, 577 struct ieee80211_vif *vif, 578 struct ieee80211_bss_conf *info, 579 u32 changed) 580 { 581 struct mt7615_dev *dev = mt7615_hw_dev(hw); 582 struct mt7615_phy *phy = mt7615_hw_phy(hw); 583 584 mt7615_mutex_acquire(dev); 585 586 if (changed & BSS_CHANGED_ERP_SLOT) { 587 int slottime = info->use_short_slot ? 9 : 20; 588 589 if (slottime != phy->slottime) { 590 phy->slottime = slottime; 591 mt7615_mac_set_timing(phy); 592 } 593 } 594 595 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 596 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 597 mt7615_mcu_sta_add(phy, vif, NULL, true); 598 599 if (mt7615_firmware_offload(dev) && vif->p2p) 600 mt76_connac_mcu_set_p2p_oppps(hw, vif); 601 } 602 603 if (changed & (BSS_CHANGED_BEACON | 604 BSS_CHANGED_BEACON_ENABLED)) 605 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); 606 607 if (changed & BSS_CHANGED_PS) 608 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif); 609 610 if ((changed & BSS_CHANGED_ARP_FILTER) && 611 mt7615_firmware_offload(dev)) { 612 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 613 614 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 615 info); 616 } 617 618 if (changed & BSS_CHANGED_ASSOC) 619 mt7615_mac_set_beacon_filter(phy, vif, info->assoc); 620 621 mt7615_mutex_release(dev); 622 } 623 624 static void 625 mt7615_channel_switch_beacon(struct ieee80211_hw *hw, 626 struct ieee80211_vif *vif, 627 struct cfg80211_chan_def *chandef) 628 { 629 struct mt7615_dev *dev = mt7615_hw_dev(hw); 630 631 mt7615_mutex_acquire(dev); 632 mt7615_mcu_add_beacon(dev, hw, vif, true); 633 mt7615_mutex_release(dev); 634 } 635 636 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 637 struct ieee80211_sta *sta) 638 { 639 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 640 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 641 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 642 struct mt7615_phy *phy; 643 int idx, err; 644 645 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); 646 if (idx < 0) 647 return -ENOSPC; 648 649 INIT_LIST_HEAD(&msta->poll_list); 650 msta->vif = mvif; 651 msta->wcid.sta = 1; 652 msta->wcid.idx = idx; 653 msta->wcid.ext_phy = mvif->mt76.band_idx; 654 655 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 656 err = mt76_connac_pm_wake(phy->mt76, &dev->pm); 657 if (err) 658 return err; 659 660 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 661 err = mt7615_mcu_add_bss_info(phy, vif, sta, true); 662 if (err) 663 return err; 664 } 665 666 mt7615_mac_wtbl_update(dev, idx, 667 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 668 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); 669 if (err) 670 return err; 671 672 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 673 674 return err; 675 } 676 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); 677 678 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 679 struct ieee80211_sta *sta) 680 { 681 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 682 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 683 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 684 struct mt7615_phy *phy; 685 686 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 687 688 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 689 mt76_connac_pm_wake(phy->mt76, &dev->pm); 690 691 mt7615_mcu_sta_add(&dev->phy, vif, sta, false); 692 mt7615_mac_wtbl_update(dev, msta->wcid.idx, 693 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 694 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 695 mt7615_mcu_add_bss_info(phy, vif, sta, false); 696 697 spin_lock_bh(&dev->sta_poll_lock); 698 if (!list_empty(&msta->poll_list)) 699 list_del_init(&msta->poll_list); 700 spin_unlock_bh(&dev->sta_poll_lock); 701 702 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 703 } 704 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); 705 706 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, 707 struct ieee80211_vif *vif, 708 struct ieee80211_sta *sta) 709 { 710 struct mt7615_dev *dev = mt7615_hw_dev(hw); 711 struct mt7615_phy *phy = mt7615_hw_phy(hw); 712 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 713 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 714 int i; 715 716 if (!sta_rates) 717 return; 718 719 spin_lock_bh(&dev->mt76.lock); 720 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 721 msta->rates[i].idx = sta_rates->rate[i].idx; 722 msta->rates[i].count = sta_rates->rate[i].count; 723 msta->rates[i].flags = sta_rates->rate[i].flags; 724 725 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 726 break; 727 } 728 msta->n_rates = i; 729 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) { 730 mt7615_mac_set_rates(phy, msta, NULL, msta->rates); 731 mt76_connac_pm_unref(phy->mt76, &dev->pm); 732 } 733 spin_unlock_bh(&dev->mt76.lock); 734 } 735 736 void mt7615_tx_worker(struct mt76_worker *w) 737 { 738 struct mt7615_dev *dev = container_of(w, struct mt7615_dev, 739 mt76.tx_worker); 740 741 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 742 queue_work(dev->mt76.wq, &dev->pm.wake_work); 743 return; 744 } 745 746 mt76_tx_worker_run(&dev->mt76); 747 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 748 } 749 750 static void mt7615_tx(struct ieee80211_hw *hw, 751 struct ieee80211_tx_control *control, 752 struct sk_buff *skb) 753 { 754 struct mt7615_dev *dev = mt7615_hw_dev(hw); 755 struct mt76_phy *mphy = hw->priv; 756 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 757 struct ieee80211_vif *vif = info->control.vif; 758 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 759 struct mt7615_sta *msta = NULL; 760 int qid; 761 762 if (control->sta) { 763 msta = (struct mt7615_sta *)control->sta->drv_priv; 764 wcid = &msta->wcid; 765 } 766 767 if (vif && !control->sta) { 768 struct mt7615_vif *mvif; 769 770 mvif = (struct mt7615_vif *)vif->drv_priv; 771 msta = &mvif->sta; 772 wcid = &msta->wcid; 773 } 774 775 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 776 mt76_tx(mphy, control->sta, wcid, skb); 777 mt76_connac_pm_unref(mphy, &dev->pm); 778 return; 779 } 780 781 qid = skb_get_queue_mapping(skb); 782 if (qid >= MT_TXQ_PSD) { 783 qid = IEEE80211_AC_BE; 784 skb_set_queue_mapping(skb, qid); 785 } 786 787 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 788 } 789 790 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 791 { 792 struct mt7615_dev *dev = mt7615_hw_dev(hw); 793 struct mt7615_phy *phy = mt7615_hw_phy(hw); 794 int err, band = phy != &dev->phy; 795 796 mt7615_mutex_acquire(dev); 797 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); 798 mt7615_mutex_release(dev); 799 800 return err; 801 } 802 803 static int 804 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 805 struct ieee80211_ampdu_params *params) 806 { 807 enum ieee80211_ampdu_mlme_action action = params->action; 808 struct mt7615_dev *dev = mt7615_hw_dev(hw); 809 struct ieee80211_sta *sta = params->sta; 810 struct ieee80211_txq *txq = sta->txq[params->tid]; 811 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 812 u16 tid = params->tid; 813 u16 ssn = params->ssn; 814 struct mt76_txq *mtxq; 815 int ret = 0; 816 817 if (!txq) 818 return -EINVAL; 819 820 mtxq = (struct mt76_txq *)txq->drv_priv; 821 822 mt7615_mutex_acquire(dev); 823 824 switch (action) { 825 case IEEE80211_AMPDU_RX_START: 826 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 827 params->buf_size); 828 ret = mt7615_mcu_add_rx_ba(dev, params, true); 829 break; 830 case IEEE80211_AMPDU_RX_STOP: 831 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 832 ret = mt7615_mcu_add_rx_ba(dev, params, false); 833 break; 834 case IEEE80211_AMPDU_TX_OPERATIONAL: 835 mtxq->aggr = true; 836 mtxq->send_bar = false; 837 ret = mt7615_mcu_add_tx_ba(dev, params, true); 838 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 839 ieee80211_send_bar(vif, sta->addr, tid, 840 IEEE80211_SN_TO_SEQ(ssn)); 841 break; 842 case IEEE80211_AMPDU_TX_STOP_FLUSH: 843 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 844 mtxq->aggr = false; 845 ret = mt7615_mcu_add_tx_ba(dev, params, false); 846 break; 847 case IEEE80211_AMPDU_TX_START: 848 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 849 params->ssn = ssn; 850 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 851 break; 852 case IEEE80211_AMPDU_TX_STOP_CONT: 853 mtxq->aggr = false; 854 ret = mt7615_mcu_add_tx_ba(dev, params, false); 855 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 856 break; 857 } 858 mt7615_mutex_release(dev); 859 860 return ret; 861 } 862 863 static int 864 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 865 struct ieee80211_sta *sta) 866 { 867 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 868 IEEE80211_STA_NONE); 869 } 870 871 static int 872 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 873 struct ieee80211_sta *sta) 874 { 875 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 876 IEEE80211_STA_NOTEXIST); 877 } 878 879 static int 880 mt7615_get_stats(struct ieee80211_hw *hw, 881 struct ieee80211_low_level_stats *stats) 882 { 883 struct mt7615_phy *phy = mt7615_hw_phy(hw); 884 struct mib_stats *mib = &phy->mib; 885 886 mt7615_mutex_acquire(phy->dev); 887 888 stats->dot11RTSSuccessCount = mib->rts_cnt; 889 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 890 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 891 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 892 893 mt7615_mutex_release(phy->dev); 894 895 return 0; 896 } 897 898 static u64 899 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 900 { 901 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 902 struct mt7615_dev *dev = mt7615_hw_dev(hw); 903 union { 904 u64 t64; 905 u32 t32[2]; 906 } tsf; 907 u16 idx = mvif->mt76.omac_idx; 908 u32 reg; 909 910 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 911 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 912 913 mt7615_mutex_acquire(dev); 914 915 /* TSF read */ 916 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); 917 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); 918 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); 919 920 mt7615_mutex_release(dev); 921 922 return tsf.t64; 923 } 924 925 static void 926 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 927 u64 timestamp) 928 { 929 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 930 struct mt7615_dev *dev = mt7615_hw_dev(hw); 931 union { 932 u64 t64; 933 u32 t32[2]; 934 } tsf = { .t64 = timestamp, }; 935 u16 idx = mvif->mt76.omac_idx; 936 u32 reg; 937 938 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 939 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 940 941 mt7615_mutex_acquire(dev); 942 943 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 944 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 945 /* TSF software overwrite */ 946 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); 947 948 mt7615_mutex_release(dev); 949 } 950 951 static void 952 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 953 s64 timestamp) 954 { 955 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 956 struct mt7615_dev *dev = mt7615_hw_dev(hw); 957 union { 958 u64 t64; 959 u32 t32[2]; 960 } tsf = { .t64 = timestamp, }; 961 u16 idx = mvif->mt76.omac_idx; 962 u32 reg; 963 964 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 965 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 966 967 mt7615_mutex_acquire(dev); 968 969 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 970 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 971 /* TSF software adjust*/ 972 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); 973 974 mt7615_mutex_release(dev); 975 } 976 977 static void 978 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 979 { 980 struct mt7615_phy *phy = mt7615_hw_phy(hw); 981 struct mt7615_dev *dev = phy->dev; 982 983 mt7615_mutex_acquire(dev); 984 phy->coverage_class = max_t(s16, coverage_class, 0); 985 mt7615_mac_set_timing(phy); 986 mt7615_mutex_release(dev); 987 } 988 989 static int 990 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 991 { 992 struct mt7615_dev *dev = mt7615_hw_dev(hw); 993 struct mt7615_phy *phy = mt7615_hw_phy(hw); 994 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 995 bool ext_phy = phy != &dev->phy; 996 997 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 998 return -EINVAL; 999 1000 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1001 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1002 1003 mt7615_mutex_acquire(dev); 1004 1005 phy->mt76->antenna_mask = tx_ant; 1006 if (ext_phy) { 1007 if (dev->chainmask == 0xf) 1008 tx_ant <<= 2; 1009 else 1010 tx_ant <<= 1; 1011 } 1012 phy->mt76->chainmask = tx_ant; 1013 1014 mt76_set_stream_caps(phy->mt76, true); 1015 1016 mt7615_mutex_release(dev); 1017 1018 return 0; 1019 } 1020 1021 static void mt7615_roc_iter(void *priv, u8 *mac, 1022 struct ieee80211_vif *vif) 1023 { 1024 struct mt7615_phy *phy = priv; 1025 1026 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1027 } 1028 1029 void mt7615_roc_work(struct work_struct *work) 1030 { 1031 struct mt7615_phy *phy; 1032 1033 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1034 roc_work); 1035 1036 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1037 return; 1038 1039 mt7615_mutex_acquire(phy->dev); 1040 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1041 IEEE80211_IFACE_ITER_RESUME_ALL, 1042 mt7615_roc_iter, phy); 1043 mt7615_mutex_release(phy->dev); 1044 ieee80211_remain_on_channel_expired(phy->mt76->hw); 1045 } 1046 1047 void mt7615_roc_timer(struct timer_list *timer) 1048 { 1049 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer); 1050 1051 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 1052 } 1053 1054 void mt7615_scan_work(struct work_struct *work) 1055 { 1056 struct mt7615_phy *phy; 1057 1058 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1059 scan_work.work); 1060 1061 while (true) { 1062 struct mt7615_mcu_rxd *rxd; 1063 struct sk_buff *skb; 1064 1065 spin_lock_bh(&phy->dev->mt76.lock); 1066 skb = __skb_dequeue(&phy->scan_event_list); 1067 spin_unlock_bh(&phy->dev->mt76.lock); 1068 1069 if (!skb) 1070 break; 1071 1072 rxd = (struct mt7615_mcu_rxd *)skb->data; 1073 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1074 ieee80211_sched_scan_results(phy->mt76->hw); 1075 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1076 &phy->mt76->state)) { 1077 struct cfg80211_scan_info info = { 1078 .aborted = false, 1079 }; 1080 1081 ieee80211_scan_completed(phy->mt76->hw, &info); 1082 } 1083 dev_kfree_skb(skb); 1084 } 1085 } 1086 1087 static int 1088 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1089 struct ieee80211_scan_request *req) 1090 { 1091 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1092 struct mt76_phy *mphy = hw->priv; 1093 int err; 1094 1095 /* fall-back to sw-scan */ 1096 if (!mt7615_firmware_offload(dev)) 1097 return 1; 1098 1099 mt7615_mutex_acquire(dev); 1100 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1101 mt7615_mutex_release(dev); 1102 1103 return err; 1104 } 1105 1106 static void 1107 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1108 { 1109 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1110 struct mt76_phy *mphy = hw->priv; 1111 1112 mt7615_mutex_acquire(dev); 1113 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1114 mt7615_mutex_release(dev); 1115 } 1116 1117 static int 1118 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1119 struct cfg80211_sched_scan_request *req, 1120 struct ieee80211_scan_ies *ies) 1121 { 1122 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1123 struct mt76_phy *mphy = hw->priv; 1124 int err; 1125 1126 if (!mt7615_firmware_offload(dev)) 1127 return -EOPNOTSUPP; 1128 1129 mt7615_mutex_acquire(dev); 1130 1131 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1132 if (err < 0) 1133 goto out; 1134 1135 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1136 out: 1137 mt7615_mutex_release(dev); 1138 1139 return err; 1140 } 1141 1142 static int 1143 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1144 { 1145 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1146 struct mt76_phy *mphy = hw->priv; 1147 int err; 1148 1149 if (!mt7615_firmware_offload(dev)) 1150 return -EOPNOTSUPP; 1151 1152 mt7615_mutex_acquire(dev); 1153 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1154 mt7615_mutex_release(dev); 1155 1156 return err; 1157 } 1158 1159 static int mt7615_remain_on_channel(struct ieee80211_hw *hw, 1160 struct ieee80211_vif *vif, 1161 struct ieee80211_channel *chan, 1162 int duration, 1163 enum ieee80211_roc_type type) 1164 { 1165 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1166 int err; 1167 1168 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 1169 return 0; 1170 1171 mt7615_mutex_acquire(phy->dev); 1172 1173 err = mt7615_mcu_set_roc(phy, vif, chan, duration); 1174 if (err < 0) { 1175 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1176 goto out; 1177 } 1178 1179 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 1180 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1181 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1182 err = -ETIMEDOUT; 1183 } 1184 1185 out: 1186 mt7615_mutex_release(phy->dev); 1187 1188 return err; 1189 } 1190 1191 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, 1192 struct ieee80211_vif *vif) 1193 { 1194 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1195 int err; 1196 1197 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1198 return 0; 1199 1200 del_timer_sync(&phy->roc_timer); 1201 cancel_work_sync(&phy->roc_work); 1202 1203 mt7615_mutex_acquire(phy->dev); 1204 err = mt7615_mcu_set_roc(phy, vif, NULL, 0); 1205 mt7615_mutex_release(phy->dev); 1206 1207 return err; 1208 } 1209 1210 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, 1211 struct ieee80211_vif *vif, 1212 struct ieee80211_sta *sta, 1213 bool enabled) 1214 { 1215 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1216 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 1217 1218 if (enabled) 1219 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1220 else 1221 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1222 1223 mt7615_mcu_set_sta_decap_offload(dev, vif, sta); 1224 } 1225 1226 #ifdef CONFIG_PM 1227 static int mt7615_suspend(struct ieee80211_hw *hw, 1228 struct cfg80211_wowlan *wowlan) 1229 { 1230 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1231 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1232 int err = 0; 1233 1234 cancel_delayed_work_sync(&dev->pm.ps_work); 1235 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1236 1237 mt7615_mutex_acquire(dev); 1238 1239 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1240 cancel_delayed_work_sync(&phy->scan_work); 1241 cancel_delayed_work_sync(&phy->mt76->mac_work); 1242 1243 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1244 ieee80211_iterate_active_interfaces(hw, 1245 IEEE80211_IFACE_ITER_RESUME_ALL, 1246 mt76_connac_mcu_set_suspend_iter, 1247 phy->mt76); 1248 1249 if (!mt7615_dev_running(dev)) 1250 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); 1251 1252 mt7615_mutex_release(dev); 1253 1254 return err; 1255 } 1256 1257 static int mt7615_resume(struct ieee80211_hw *hw) 1258 { 1259 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1260 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1261 unsigned long timeout; 1262 bool running; 1263 1264 mt7615_mutex_acquire(dev); 1265 1266 running = mt7615_dev_running(dev); 1267 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1268 1269 if (!running) { 1270 int err; 1271 1272 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); 1273 if (err < 0) { 1274 mt7615_mutex_release(dev); 1275 return err; 1276 } 1277 } 1278 1279 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1280 ieee80211_iterate_active_interfaces(hw, 1281 IEEE80211_IFACE_ITER_RESUME_ALL, 1282 mt76_connac_mcu_set_suspend_iter, 1283 phy->mt76); 1284 1285 timeout = mt7615_get_macwork_timeout(dev); 1286 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); 1287 1288 mt7615_mutex_release(dev); 1289 1290 return 0; 1291 } 1292 1293 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1294 { 1295 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1296 struct mt76_dev *mdev = &dev->mt76; 1297 1298 device_set_wakeup_enable(mdev->dev, enabled); 1299 } 1300 1301 static void mt7615_set_rekey_data(struct ieee80211_hw *hw, 1302 struct ieee80211_vif *vif, 1303 struct cfg80211_gtk_rekey_data *data) 1304 { 1305 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1306 1307 mt7615_mutex_acquire(dev); 1308 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1309 mt7615_mutex_release(dev); 1310 } 1311 #endif /* CONFIG_PM */ 1312 1313 const struct ieee80211_ops mt7615_ops = { 1314 .tx = mt7615_tx, 1315 .start = mt7615_start, 1316 .stop = mt7615_stop, 1317 .add_interface = mt7615_add_interface, 1318 .remove_interface = mt7615_remove_interface, 1319 .config = mt7615_config, 1320 .conf_tx = mt7615_conf_tx, 1321 .configure_filter = mt7615_configure_filter, 1322 .bss_info_changed = mt7615_bss_info_changed, 1323 .sta_add = mt7615_sta_add, 1324 .sta_remove = mt7615_sta_remove, 1325 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1326 .set_key = mt7615_set_key, 1327 .sta_set_decap_offload = mt7615_sta_set_decap_offload, 1328 .ampdu_action = mt7615_ampdu_action, 1329 .set_rts_threshold = mt7615_set_rts_threshold, 1330 .wake_tx_queue = mt76_wake_tx_queue, 1331 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, 1332 .sw_scan_start = mt76_sw_scan, 1333 .sw_scan_complete = mt76_sw_scan_complete, 1334 .release_buffered_frames = mt76_release_buffered_frames, 1335 .get_txpower = mt76_get_txpower, 1336 .channel_switch_beacon = mt7615_channel_switch_beacon, 1337 .get_stats = mt7615_get_stats, 1338 .get_tsf = mt7615_get_tsf, 1339 .set_tsf = mt7615_set_tsf, 1340 .offset_tsf = mt7615_offset_tsf, 1341 .get_survey = mt76_get_survey, 1342 .get_antenna = mt76_get_antenna, 1343 .set_antenna = mt7615_set_antenna, 1344 .set_coverage_class = mt7615_set_coverage_class, 1345 .hw_scan = mt7615_hw_scan, 1346 .cancel_hw_scan = mt7615_cancel_hw_scan, 1347 .sched_scan_start = mt7615_start_sched_scan, 1348 .sched_scan_stop = mt7615_stop_sched_scan, 1349 .remain_on_channel = mt7615_remain_on_channel, 1350 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, 1351 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1352 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1353 #ifdef CONFIG_PM 1354 .suspend = mt7615_suspend, 1355 .resume = mt7615_resume, 1356 .set_wakeup = mt7615_set_wakeup, 1357 .set_rekey_data = mt7615_set_rekey_data, 1358 #endif /* CONFIG_PM */ 1359 .set_sar_specs = mt7615_set_sar_specs, 1360 }; 1361 EXPORT_SYMBOL_GPL(mt7615_ops); 1362 1363 MODULE_LICENSE("Dual BSD/GPL"); 1364