1 // SPDX-License-Identifier: BSD-3-Clause-Clear 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(phy); 87 88 out: 89 mt7615_mutex_release(dev); 90 91 return ret; 92 } 93 94 static void mt7615_stop(struct ieee80211_hw *hw, bool suspend) 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 timer_delete_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 = __ffs64(~dev->mt76.vif_mask); 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 mvif->mt76.wcid = &mvif->sta.wcid; 213 if (ext_phy) 214 mvif->mt76.wmm_idx += 2; 215 216 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 217 dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 218 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 219 220 ret = mt7615_mcu_set_dbdc(dev); 221 if (ret) 222 goto out; 223 224 idx = MT7615_WTBL_RESERVED - mvif->mt76.idx; 225 226 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 227 mvif->sta.wcid.idx = idx; 228 mt76_wcid_init(&mvif->sta.wcid, mvif->mt76.band_idx); 229 230 mt7615_mac_wtbl_update(dev, idx, 231 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 232 233 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 234 if (vif->txq) { 235 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 236 mtxq->wcid = idx; 237 } 238 239 ret = mt7615_mcu_add_dev_info(phy, vif, true); 240 out: 241 mt7615_mutex_release(dev); 242 243 return ret; 244 } 245 246 static void mt7615_remove_interface(struct ieee80211_hw *hw, 247 struct ieee80211_vif *vif) 248 { 249 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 250 struct mt7615_sta *msta = &mvif->sta; 251 struct mt7615_dev *dev = mt7615_hw_dev(hw); 252 struct mt7615_phy *phy = mt7615_hw_phy(hw); 253 int idx = msta->wcid.idx; 254 255 mt7615_mutex_acquire(dev); 256 257 mt7615_mcu_add_bss_info(phy, vif, NULL, false); 258 mt7615_mcu_sta_add(phy, vif, NULL, false); 259 260 mt76_testmode_reset(phy->mt76, true); 261 if (vif == phy->monitor_vif) 262 phy->monitor_vif = NULL; 263 264 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 265 266 mt7615_mcu_add_dev_info(phy, vif, false); 267 268 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 269 270 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 271 dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 272 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 273 274 mt7615_mutex_release(dev); 275 276 spin_lock_bh(&dev->mt76.sta_poll_lock); 277 if (!list_empty(&msta->wcid.poll_list)) 278 list_del_init(&msta->wcid.poll_list); 279 spin_unlock_bh(&dev->mt76.sta_poll_lock); 280 281 mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid); 282 } 283 284 int mt7615_set_channel(struct mt76_phy *mphy) 285 { 286 struct mt7615_phy *phy = mphy->priv; 287 struct mt7615_dev *dev = phy->dev; 288 bool ext_phy = phy != &dev->phy; 289 int ret; 290 291 mt76_connac_pm_wake(mphy, &dev->pm); 292 293 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { 294 ret = mt7615_mcu_apply_rx_dcoc(phy); 295 if (ret) 296 goto out; 297 298 ret = mt7615_mcu_apply_tx_dpd(phy); 299 if (ret) 300 goto out; 301 } 302 303 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 304 if (ret) 305 goto out; 306 307 mt7615_mac_set_timing(phy); 308 ret = mt7615_dfs_init_radar_detector(phy); 309 if (ret) 310 goto out; 311 312 mt7615_mac_cca_stats_reset(phy); 313 ret = mt7615_mcu_set_sku_en(phy, true); 314 if (ret) 315 goto out; 316 317 mt7615_mac_reset_counters(phy); 318 phy->noise = 0; 319 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); 320 321 out: 322 mt76_connac_power_save_sched(mphy, &dev->pm); 323 324 if (!mt76_testmode_enabled(phy->mt76)) { 325 unsigned long timeout = mt7615_get_macwork_timeout(dev); 326 327 ieee80211_queue_delayed_work(phy->mt76->hw, 328 &phy->mt76->mac_work, timeout); 329 } 330 331 return ret; 332 } 333 EXPORT_SYMBOL_GPL(mt7615_set_channel); 334 335 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 336 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 337 struct ieee80211_key_conf *key) 338 { 339 struct mt7615_dev *dev = mt7615_hw_dev(hw); 340 struct mt7615_phy *phy = mt7615_hw_phy(hw); 341 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 342 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : 343 &mvif->sta; 344 struct mt76_wcid *wcid = &msta->wcid; 345 int idx = key->keyidx, err = 0; 346 u8 *wcid_keyidx = &wcid->hw_key_idx; 347 348 /* The hardware does not support per-STA RX GTK, fallback 349 * to software mode for these. 350 */ 351 if ((vif->type == NL80211_IFTYPE_ADHOC || 352 vif->type == NL80211_IFTYPE_MESH_POINT) && 353 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 354 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 355 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 356 return -EOPNOTSUPP; 357 358 /* fall back to sw encryption for unsupported ciphers */ 359 switch (key->cipher) { 360 case WLAN_CIPHER_SUITE_AES_CMAC: 361 wcid_keyidx = &wcid->hw_key_idx2; 362 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 363 break; 364 case WLAN_CIPHER_SUITE_TKIP: 365 case WLAN_CIPHER_SUITE_CCMP: 366 case WLAN_CIPHER_SUITE_CCMP_256: 367 case WLAN_CIPHER_SUITE_GCMP: 368 case WLAN_CIPHER_SUITE_GCMP_256: 369 case WLAN_CIPHER_SUITE_SMS4: 370 break; 371 case WLAN_CIPHER_SUITE_WEP40: 372 case WLAN_CIPHER_SUITE_WEP104: 373 default: 374 return -EOPNOTSUPP; 375 } 376 377 mt7615_mutex_acquire(dev); 378 379 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 380 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 381 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 382 } 383 384 if (cmd == SET_KEY) 385 *wcid_keyidx = idx; 386 else { 387 if (idx == *wcid_keyidx) 388 *wcid_keyidx = -1; 389 goto out; 390 } 391 392 mt76_wcid_key_setup(&dev->mt76, wcid, key); 393 if (mt76_is_mmio(&dev->mt76)) 394 err = mt7615_mac_wtbl_set_key(dev, wcid, key); 395 else 396 err = __mt7615_mac_wtbl_set_key(dev, wcid, key); 397 398 out: 399 mt7615_mutex_release(dev); 400 401 return err; 402 } 403 404 static int mt7615_set_sar_specs(struct ieee80211_hw *hw, 405 const struct cfg80211_sar_specs *sar) 406 { 407 struct mt7615_phy *phy = mt7615_hw_phy(hw); 408 int err; 409 410 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 411 return -EINVAL; 412 413 err = mt76_init_sar_power(hw, sar); 414 if (err) 415 return err; 416 417 if (mt7615_firmware_offload(phy->dev)) 418 return mt76_connac_mcu_set_rate_txpower(phy->mt76); 419 420 return mt76_update_channel(phy->mt76); 421 } 422 423 static int mt7615_config(struct ieee80211_hw *hw, int radio_idx, u32 changed) 424 { 425 struct mt7615_dev *dev = mt7615_hw_dev(hw); 426 struct mt7615_phy *phy = mt7615_hw_phy(hw); 427 bool band = phy != &dev->phy; 428 int ret = 0; 429 430 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 431 IEEE80211_CONF_CHANGE_POWER)) { 432 #ifdef CONFIG_NL80211_TESTMODE 433 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 434 mt7615_mutex_acquire(dev); 435 mt76_testmode_reset(phy->mt76, false); 436 mt7615_mutex_release(dev); 437 } 438 #endif 439 ret = mt76_update_channel(phy->mt76); 440 } 441 442 mt7615_mutex_acquire(dev); 443 444 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 445 mt76_testmode_reset(phy->mt76, true); 446 447 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 448 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 449 else 450 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 451 452 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 453 } 454 455 mt7615_mutex_release(dev); 456 457 return ret; 458 } 459 460 static int 461 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 462 unsigned int link_id, u16 queue, 463 const struct ieee80211_tx_queue_params *params) 464 { 465 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; 466 struct mt7615_dev *dev = mt7615_hw_dev(hw); 467 int err; 468 469 mt7615_mutex_acquire(dev); 470 471 queue = mt7615_lmac_mapping(dev, queue); 472 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; 473 err = mt7615_mcu_set_wmm(dev, queue, params); 474 475 mt7615_mutex_release(dev); 476 477 return err; 478 } 479 480 static void mt7615_configure_filter(struct ieee80211_hw *hw, 481 unsigned int changed_flags, 482 unsigned int *total_flags, 483 u64 multicast) 484 { 485 struct mt7615_dev *dev = mt7615_hw_dev(hw); 486 struct mt7615_phy *phy = mt7615_hw_phy(hw); 487 bool band = phy != &dev->phy; 488 489 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 490 MT_WF_RFCR1_DROP_BF_POLL | 491 MT_WF_RFCR1_DROP_BA | 492 MT_WF_RFCR1_DROP_CFEND | 493 MT_WF_RFCR1_DROP_CFACK; 494 u32 flags = 0; 495 496 mt7615_mutex_acquire(dev); 497 498 #define MT76_FILTER(_flag, _hw) do { \ 499 flags |= *total_flags & FIF_##_flag; \ 500 phy->rxfilter &= ~(_hw); \ 501 if (!mt76_testmode_enabled(phy->mt76)) \ 502 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ 503 } while (0) 504 505 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 506 MT_WF_RFCR_DROP_FRAME_REPORT | 507 MT_WF_RFCR_DROP_PROBEREQ | 508 MT_WF_RFCR_DROP_MCAST_FILTERED | 509 MT_WF_RFCR_DROP_MCAST | 510 MT_WF_RFCR_DROP_BCAST | 511 MT_WF_RFCR_DROP_DUPLICATE | 512 MT_WF_RFCR_DROP_A2_BSSID | 513 MT_WF_RFCR_DROP_UNWANTED_CTL | 514 MT_WF_RFCR_DROP_STBC_MULTI); 515 516 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) 517 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; 518 519 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 520 MT_WF_RFCR_DROP_A3_MAC | 521 MT_WF_RFCR_DROP_A3_BSSID); 522 523 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 524 525 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 526 MT_WF_RFCR_DROP_RTS | 527 MT_WF_RFCR_DROP_CTL_RSV | 528 MT_WF_RFCR_DROP_NDPA); 529 530 *total_flags = flags; 531 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 532 533 if (*total_flags & FIF_CONTROL) 534 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 535 else 536 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 537 538 mt7615_mutex_release(dev); 539 } 540 541 static void 542 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 543 struct ieee80211_bss_conf *info) 544 { 545 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 546 struct mt7615_dev *dev = mt7615_hw_dev(hw); 547 u8 i, band = mvif->mt76.band_idx; 548 u32 *mu; 549 550 mu = (u32 *)info->mu_group.membership; 551 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) { 552 if (is_mt7663(&dev->mt76)) 553 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 554 else 555 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 556 } 557 558 mu = (u32 *)info->mu_group.position; 559 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) { 560 if (is_mt7663(&dev->mt76)) 561 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]); 562 else 563 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]); 564 } 565 } 566 567 static void mt7615_bss_info_changed(struct ieee80211_hw *hw, 568 struct ieee80211_vif *vif, 569 struct ieee80211_bss_conf *info, 570 u64 changed) 571 { 572 struct mt7615_dev *dev = mt7615_hw_dev(hw); 573 struct mt7615_phy *phy = mt7615_hw_phy(hw); 574 575 mt7615_mutex_acquire(dev); 576 577 if (changed & BSS_CHANGED_ERP_SLOT) { 578 int slottime = info->use_short_slot ? 9 : 20; 579 580 if (slottime != phy->slottime) { 581 phy->slottime = slottime; 582 mt7615_mac_set_timing(phy); 583 } 584 } 585 586 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 587 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 588 mt7615_mcu_sta_add(phy, vif, NULL, true); 589 590 if (mt7615_firmware_offload(dev) && vif->p2p) 591 mt76_connac_mcu_set_p2p_oppps(hw, vif); 592 } 593 594 if (changed & (BSS_CHANGED_BEACON | 595 BSS_CHANGED_BEACON_ENABLED)) 596 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); 597 598 if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT) 599 mt7615_mcu_set_protection(phy, vif, info->ht_operation_mode, 600 info->use_cts_prot); 601 602 if (changed & BSS_CHANGED_PS) 603 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif); 604 605 if ((changed & BSS_CHANGED_ARP_FILTER) && 606 mt7615_firmware_offload(dev)) { 607 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 608 609 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 610 info); 611 } 612 613 if (changed & BSS_CHANGED_ASSOC) 614 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc); 615 616 if (changed & BSS_CHANGED_MU_GROUPS) 617 mt7615_update_mu_group(hw, vif, info); 618 619 mt7615_mutex_release(dev); 620 } 621 622 static void 623 mt7615_channel_switch_beacon(struct ieee80211_hw *hw, 624 struct ieee80211_vif *vif, 625 struct cfg80211_chan_def *chandef) 626 { 627 struct mt7615_dev *dev = mt7615_hw_dev(hw); 628 629 mt7615_mutex_acquire(dev); 630 mt7615_mcu_add_beacon(dev, hw, vif, true); 631 mt7615_mutex_release(dev); 632 } 633 634 int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 635 struct ieee80211_sta *sta) 636 { 637 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 638 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 639 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 640 struct mt7615_phy *phy; 641 int idx, err; 642 643 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); 644 if (idx < 0) 645 return -ENOSPC; 646 647 INIT_LIST_HEAD(&msta->wcid.poll_list); 648 msta->vif = mvif; 649 msta->wcid.sta = 1; 650 msta->wcid.idx = idx; 651 msta->wcid.phy_idx = mvif->mt76.band_idx; 652 653 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 654 err = mt76_connac_pm_wake(phy->mt76, &dev->pm); 655 if (err) 656 return err; 657 658 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 659 err = mt7615_mcu_add_bss_info(phy, vif, sta, true); 660 if (err) 661 return err; 662 } 663 664 mt7615_mac_wtbl_update(dev, idx, 665 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 666 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); 667 if (err) 668 return err; 669 670 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 671 672 return err; 673 } 674 EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); 675 676 void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 677 struct ieee80211_sta *sta) 678 { 679 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 680 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 681 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 682 struct mt7615_phy *phy; 683 684 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 685 686 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 687 mt76_connac_pm_wake(phy->mt76, &dev->pm); 688 689 mt7615_mcu_sta_add(&dev->phy, vif, sta, false); 690 mt7615_mac_wtbl_update(dev, msta->wcid.idx, 691 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 692 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 693 mt7615_mcu_add_bss_info(phy, vif, sta, false); 694 695 spin_lock_bh(&mdev->sta_poll_lock); 696 if (!list_empty(&msta->wcid.poll_list)) 697 list_del_init(&msta->wcid.poll_list); 698 spin_unlock_bh(&mdev->sta_poll_lock); 699 700 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 701 } 702 EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); 703 704 static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, 705 struct ieee80211_vif *vif, 706 struct ieee80211_sta *sta) 707 { 708 struct mt7615_dev *dev = mt7615_hw_dev(hw); 709 struct mt7615_phy *phy = mt7615_hw_phy(hw); 710 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 711 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 712 int i; 713 714 if (!sta_rates) 715 return; 716 717 spin_lock_bh(&dev->mt76.lock); 718 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 719 msta->rates[i].idx = sta_rates->rate[i].idx; 720 msta->rates[i].count = sta_rates->rate[i].count; 721 msta->rates[i].flags = sta_rates->rate[i].flags; 722 723 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 724 break; 725 } 726 msta->n_rates = i; 727 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) { 728 mt7615_mac_set_rates(phy, msta, NULL, msta->rates); 729 mt76_connac_pm_unref(phy->mt76, &dev->pm); 730 } 731 spin_unlock_bh(&dev->mt76.lock); 732 } 733 734 void mt7615_tx_worker(struct mt76_worker *w) 735 { 736 struct mt7615_dev *dev = container_of(w, struct mt7615_dev, 737 mt76.tx_worker); 738 739 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 740 queue_work(dev->mt76.wq, &dev->pm.wake_work); 741 return; 742 } 743 744 mt76_tx_worker_run(&dev->mt76); 745 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 746 } 747 748 static void mt7615_tx(struct ieee80211_hw *hw, 749 struct ieee80211_tx_control *control, 750 struct sk_buff *skb) 751 { 752 struct mt7615_dev *dev = mt7615_hw_dev(hw); 753 struct mt76_phy *mphy = hw->priv; 754 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 755 struct ieee80211_vif *vif = info->control.vif; 756 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 757 struct mt7615_sta *msta = NULL; 758 int qid; 759 760 if (control->sta) { 761 msta = (struct mt7615_sta *)control->sta->drv_priv; 762 wcid = &msta->wcid; 763 } 764 765 if (vif && !control->sta) { 766 struct mt7615_vif *mvif; 767 768 mvif = (struct mt7615_vif *)vif->drv_priv; 769 msta = &mvif->sta; 770 wcid = &msta->wcid; 771 } 772 773 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 774 mt76_tx(mphy, control->sta, wcid, skb); 775 mt76_connac_pm_unref(mphy, &dev->pm); 776 return; 777 } 778 779 qid = skb_get_queue_mapping(skb); 780 if (qid >= MT_TXQ_PSD) { 781 qid = IEEE80211_AC_BE; 782 skb_set_queue_mapping(skb, qid); 783 } 784 785 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 786 } 787 788 static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, 789 u32 val) 790 { 791 struct mt7615_dev *dev = mt7615_hw_dev(hw); 792 struct mt7615_phy *phy = mt7615_hw_phy(hw); 793 int err, band = phy != &dev->phy; 794 795 mt7615_mutex_acquire(dev); 796 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); 797 mt7615_mutex_release(dev); 798 799 return err; 800 } 801 802 static int 803 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 804 struct ieee80211_ampdu_params *params) 805 { 806 enum ieee80211_ampdu_mlme_action action = params->action; 807 struct mt7615_dev *dev = mt7615_hw_dev(hw); 808 struct ieee80211_sta *sta = params->sta; 809 struct ieee80211_txq *txq = sta->txq[params->tid]; 810 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 811 u16 tid = params->tid; 812 u16 ssn = params->ssn; 813 struct mt76_txq *mtxq; 814 int ret = 0; 815 816 if (!txq) 817 return -EINVAL; 818 819 mtxq = (struct mt76_txq *)txq->drv_priv; 820 821 mt7615_mutex_acquire(dev); 822 823 switch (action) { 824 case IEEE80211_AMPDU_RX_START: 825 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 826 params->buf_size); 827 ret = mt7615_mcu_add_rx_ba(dev, params, true); 828 break; 829 case IEEE80211_AMPDU_RX_STOP: 830 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 831 ret = mt7615_mcu_add_rx_ba(dev, params, false); 832 break; 833 case IEEE80211_AMPDU_TX_OPERATIONAL: 834 mtxq->aggr = true; 835 mtxq->send_bar = false; 836 ret = mt7615_mcu_add_tx_ba(dev, params, true); 837 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 838 ieee80211_send_bar(vif, sta->addr, tid, 839 IEEE80211_SN_TO_SEQ(ssn)); 840 break; 841 case IEEE80211_AMPDU_TX_STOP_FLUSH: 842 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 843 mtxq->aggr = false; 844 ret = mt7615_mcu_add_tx_ba(dev, params, false); 845 break; 846 case IEEE80211_AMPDU_TX_START: 847 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 848 params->ssn = ssn; 849 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 850 break; 851 case IEEE80211_AMPDU_TX_STOP_CONT: 852 mtxq->aggr = false; 853 ret = mt7615_mcu_add_tx_ba(dev, params, false); 854 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 855 break; 856 } 857 mt7615_mutex_release(dev); 858 859 return ret; 860 } 861 862 static int 863 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 864 struct ieee80211_sta *sta) 865 { 866 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 867 IEEE80211_STA_NONE); 868 } 869 870 static int 871 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 872 struct ieee80211_sta *sta) 873 { 874 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 875 IEEE80211_STA_NOTEXIST); 876 } 877 878 static int 879 mt7615_get_stats(struct ieee80211_hw *hw, 880 struct ieee80211_low_level_stats *stats) 881 { 882 struct mt7615_phy *phy = mt7615_hw_phy(hw); 883 struct mib_stats *mib = &phy->mib; 884 885 mt7615_mutex_acquire(phy->dev); 886 887 stats->dot11RTSSuccessCount = mib->rts_cnt; 888 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 889 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 890 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 891 892 mt7615_mutex_release(phy->dev); 893 894 return 0; 895 } 896 897 static u64 898 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 899 { 900 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 901 struct mt7615_dev *dev = mt7615_hw_dev(hw); 902 union { 903 u64 t64; 904 u32 t32[2]; 905 } tsf; 906 u16 idx = mvif->mt76.omac_idx; 907 u32 reg; 908 909 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 910 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 911 912 mt7615_mutex_acquire(dev); 913 914 /* TSF read */ 915 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); 916 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); 917 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); 918 919 mt7615_mutex_release(dev); 920 921 return tsf.t64; 922 } 923 924 static void 925 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 926 u64 timestamp) 927 { 928 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 929 struct mt7615_dev *dev = mt7615_hw_dev(hw); 930 union { 931 u64 t64; 932 u32 t32[2]; 933 } tsf = { .t64 = timestamp, }; 934 u16 idx = mvif->mt76.omac_idx; 935 u32 reg; 936 937 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 938 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 939 940 mt7615_mutex_acquire(dev); 941 942 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 943 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 944 /* TSF software overwrite */ 945 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); 946 947 mt7615_mutex_release(dev); 948 } 949 950 static void 951 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 952 s64 timestamp) 953 { 954 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 955 struct mt7615_dev *dev = mt7615_hw_dev(hw); 956 union { 957 u64 t64; 958 u32 t32[2]; 959 } tsf = { .t64 = timestamp, }; 960 u16 idx = mvif->mt76.omac_idx; 961 u32 reg; 962 963 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 964 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 965 966 mt7615_mutex_acquire(dev); 967 968 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 969 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 970 /* TSF software adjust*/ 971 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); 972 973 mt7615_mutex_release(dev); 974 } 975 976 static void 977 mt7615_set_coverage_class(struct ieee80211_hw *hw, int radio_idx, 978 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, int radio_idx, 991 u32 tx_ant, u32 rx_ant) 992 { 993 struct mt7615_dev *dev = mt7615_hw_dev(hw); 994 struct mt7615_phy *phy = mt7615_hw_phy(hw); 995 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 996 bool ext_phy = phy != &dev->phy; 997 998 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 999 return -EINVAL; 1000 1001 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1002 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1003 1004 mt7615_mutex_acquire(dev); 1005 1006 phy->mt76->antenna_mask = tx_ant; 1007 if (ext_phy) { 1008 if (dev->chainmask == 0xf) 1009 tx_ant <<= 2; 1010 else 1011 tx_ant <<= 1; 1012 } 1013 phy->mt76->chainmask = tx_ant; 1014 1015 mt76_set_stream_caps(phy->mt76, true); 1016 1017 mt7615_mutex_release(dev); 1018 1019 return 0; 1020 } 1021 1022 static void mt7615_roc_iter(void *priv, u8 *mac, 1023 struct ieee80211_vif *vif) 1024 { 1025 struct mt7615_phy *phy = priv; 1026 1027 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1028 } 1029 1030 void mt7615_roc_work(struct work_struct *work) 1031 { 1032 struct mt7615_phy *phy; 1033 1034 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1035 roc_work); 1036 1037 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1038 return; 1039 1040 mt7615_mutex_acquire(phy->dev); 1041 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1042 IEEE80211_IFACE_ITER_RESUME_ALL, 1043 mt7615_roc_iter, phy); 1044 mt7615_mutex_release(phy->dev); 1045 ieee80211_remain_on_channel_expired(phy->mt76->hw); 1046 } 1047 1048 void mt7615_roc_timer(struct timer_list *timer) 1049 { 1050 struct mt7615_phy *phy = timer_container_of(phy, timer, roc_timer); 1051 1052 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 1053 } 1054 1055 void mt7615_scan_work(struct work_struct *work) 1056 { 1057 struct mt7615_phy *phy; 1058 1059 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1060 scan_work.work); 1061 1062 while (true) { 1063 struct mt7615_mcu_rxd *rxd; 1064 struct sk_buff *skb; 1065 1066 spin_lock_bh(&phy->dev->mt76.lock); 1067 skb = __skb_dequeue(&phy->scan_event_list); 1068 spin_unlock_bh(&phy->dev->mt76.lock); 1069 1070 if (!skb) 1071 break; 1072 1073 rxd = (struct mt7615_mcu_rxd *)skb->data; 1074 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1075 ieee80211_sched_scan_results(phy->mt76->hw); 1076 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1077 &phy->mt76->state)) { 1078 struct cfg80211_scan_info info = { 1079 .aborted = false, 1080 }; 1081 1082 ieee80211_scan_completed(phy->mt76->hw, &info); 1083 } 1084 dev_kfree_skb(skb); 1085 } 1086 } 1087 1088 static int 1089 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1090 struct ieee80211_scan_request *req) 1091 { 1092 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1093 struct mt76_phy *mphy = hw->priv; 1094 int err; 1095 1096 /* fall-back to sw-scan */ 1097 if (!mt7615_firmware_offload(dev)) 1098 return 1; 1099 1100 mt7615_mutex_acquire(dev); 1101 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1102 mt7615_mutex_release(dev); 1103 1104 return err; 1105 } 1106 1107 static void 1108 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1109 { 1110 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1111 struct mt76_phy *mphy = hw->priv; 1112 1113 mt7615_mutex_acquire(dev); 1114 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1115 mt7615_mutex_release(dev); 1116 } 1117 1118 static int 1119 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1120 struct cfg80211_sched_scan_request *req, 1121 struct ieee80211_scan_ies *ies) 1122 { 1123 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1124 struct mt76_phy *mphy = hw->priv; 1125 int err; 1126 1127 if (!mt7615_firmware_offload(dev)) 1128 return -EOPNOTSUPP; 1129 1130 mt7615_mutex_acquire(dev); 1131 1132 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1133 if (err < 0) 1134 goto out; 1135 1136 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1137 out: 1138 mt7615_mutex_release(dev); 1139 1140 return err; 1141 } 1142 1143 static int 1144 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1145 { 1146 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1147 struct mt76_phy *mphy = hw->priv; 1148 int err; 1149 1150 if (!mt7615_firmware_offload(dev)) 1151 return -EOPNOTSUPP; 1152 1153 mt7615_mutex_acquire(dev); 1154 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1155 mt7615_mutex_release(dev); 1156 1157 return err; 1158 } 1159 1160 static int mt7615_remain_on_channel(struct ieee80211_hw *hw, 1161 struct ieee80211_vif *vif, 1162 struct ieee80211_channel *chan, 1163 int duration, 1164 enum ieee80211_roc_type type) 1165 { 1166 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1167 int err; 1168 1169 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 1170 return 0; 1171 1172 mt7615_mutex_acquire(phy->dev); 1173 1174 err = mt7615_mcu_set_roc(phy, vif, chan, duration); 1175 if (err < 0) { 1176 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1177 goto out; 1178 } 1179 1180 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 1181 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1182 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1183 err = -ETIMEDOUT; 1184 } 1185 1186 out: 1187 mt7615_mutex_release(phy->dev); 1188 1189 return err; 1190 } 1191 1192 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, 1193 struct ieee80211_vif *vif) 1194 { 1195 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1196 int err; 1197 1198 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1199 return 0; 1200 1201 timer_delete_sync(&phy->roc_timer); 1202 cancel_work_sync(&phy->roc_work); 1203 1204 mt7615_mutex_acquire(phy->dev); 1205 err = mt7615_mcu_set_roc(phy, vif, NULL, 0); 1206 mt7615_mutex_release(phy->dev); 1207 1208 return err; 1209 } 1210 1211 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, 1212 struct ieee80211_vif *vif, 1213 struct ieee80211_sta *sta, 1214 bool enabled) 1215 { 1216 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1217 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 1218 1219 mt7615_mutex_acquire(dev); 1220 1221 if (enabled) 1222 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1223 else 1224 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1225 1226 mt7615_mcu_set_sta_decap_offload(dev, vif, sta); 1227 1228 mt7615_mutex_release(dev); 1229 } 1230 1231 #ifdef CONFIG_PM 1232 static int mt7615_suspend(struct ieee80211_hw *hw, 1233 struct cfg80211_wowlan *wowlan) 1234 { 1235 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1236 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1237 int err = 0; 1238 1239 cancel_delayed_work_sync(&dev->pm.ps_work); 1240 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1241 1242 mt7615_mutex_acquire(dev); 1243 1244 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1245 cancel_delayed_work_sync(&phy->scan_work); 1246 cancel_delayed_work_sync(&phy->mt76->mac_work); 1247 1248 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1249 ieee80211_iterate_active_interfaces(hw, 1250 IEEE80211_IFACE_ITER_RESUME_ALL, 1251 mt76_connac_mcu_set_suspend_iter, 1252 phy->mt76); 1253 1254 if (!mt7615_dev_running(dev)) 1255 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true, true); 1256 1257 mt7615_mutex_release(dev); 1258 1259 return err; 1260 } 1261 1262 static int mt7615_resume(struct ieee80211_hw *hw) 1263 { 1264 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1265 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1266 unsigned long timeout; 1267 bool running; 1268 1269 mt7615_mutex_acquire(dev); 1270 1271 running = mt7615_dev_running(dev); 1272 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1273 1274 if (!running) { 1275 int err; 1276 1277 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false, true); 1278 if (err < 0) { 1279 mt7615_mutex_release(dev); 1280 return err; 1281 } 1282 } 1283 1284 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1285 ieee80211_iterate_active_interfaces(hw, 1286 IEEE80211_IFACE_ITER_RESUME_ALL, 1287 mt76_connac_mcu_set_suspend_iter, 1288 phy->mt76); 1289 1290 timeout = mt7615_get_macwork_timeout(dev); 1291 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); 1292 1293 mt7615_mutex_release(dev); 1294 1295 return 0; 1296 } 1297 1298 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1299 { 1300 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1301 struct mt76_dev *mdev = &dev->mt76; 1302 1303 device_set_wakeup_enable(mdev->dev, enabled); 1304 } 1305 1306 static void mt7615_set_rekey_data(struct ieee80211_hw *hw, 1307 struct ieee80211_vif *vif, 1308 struct cfg80211_gtk_rekey_data *data) 1309 { 1310 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1311 1312 mt7615_mutex_acquire(dev); 1313 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1314 mt7615_mutex_release(dev); 1315 } 1316 #endif /* CONFIG_PM */ 1317 1318 const struct ieee80211_ops mt7615_ops = { 1319 .add_chanctx = ieee80211_emulate_add_chanctx, 1320 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1321 .change_chanctx = ieee80211_emulate_change_chanctx, 1322 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1323 .tx = mt7615_tx, 1324 .start = mt7615_start, 1325 .stop = mt7615_stop, 1326 .add_interface = mt7615_add_interface, 1327 .remove_interface = mt7615_remove_interface, 1328 .config = mt7615_config, 1329 .conf_tx = mt7615_conf_tx, 1330 .configure_filter = mt7615_configure_filter, 1331 .bss_info_changed = mt7615_bss_info_changed, 1332 .sta_add = mt7615_sta_add, 1333 .sta_remove = mt7615_sta_remove, 1334 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1335 .set_key = mt7615_set_key, 1336 .sta_set_decap_offload = mt7615_sta_set_decap_offload, 1337 .ampdu_action = mt7615_ampdu_action, 1338 .set_rts_threshold = mt7615_set_rts_threshold, 1339 .wake_tx_queue = mt76_wake_tx_queue, 1340 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, 1341 .sw_scan_start = mt76_sw_scan, 1342 .sw_scan_complete = mt76_sw_scan_complete, 1343 .release_buffered_frames = mt76_release_buffered_frames, 1344 .get_txpower = mt76_get_txpower, 1345 .channel_switch_beacon = mt7615_channel_switch_beacon, 1346 .get_stats = mt7615_get_stats, 1347 .get_tsf = mt7615_get_tsf, 1348 .set_tsf = mt7615_set_tsf, 1349 .offset_tsf = mt7615_offset_tsf, 1350 .get_survey = mt76_get_survey, 1351 .get_antenna = mt76_get_antenna, 1352 .set_antenna = mt7615_set_antenna, 1353 .set_coverage_class = mt7615_set_coverage_class, 1354 .hw_scan = mt7615_hw_scan, 1355 .cancel_hw_scan = mt7615_cancel_hw_scan, 1356 .sched_scan_start = mt7615_start_sched_scan, 1357 .sched_scan_stop = mt7615_stop_sched_scan, 1358 .remain_on_channel = mt7615_remain_on_channel, 1359 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, 1360 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1361 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1362 #ifdef CONFIG_PM 1363 .suspend = mt7615_suspend, 1364 .resume = mt7615_resume, 1365 .set_wakeup = mt7615_set_wakeup, 1366 .set_rekey_data = mt7615_set_rekey_data, 1367 #endif /* CONFIG_PM */ 1368 .set_sar_specs = mt7615_set_sar_specs, 1369 }; 1370 EXPORT_SYMBOL_GPL(mt7615_ops); 1371 1372 MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver"); 1373 MODULE_LICENSE("Dual BSD/GPL"); 1374