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(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 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 = __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 if (ext_phy) 213 mvif->mt76.wmm_idx += 2; 214 215 dev->mt76.vif_mask |= BIT_ULL(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.wcid.poll_list); 226 mvif->sta.wcid.idx = idx; 227 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 228 mvif->sta.wcid.hw_key_idx = -1; 229 mt76_wcid_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 = idx; 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_ULL(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->mt76.sta_poll_lock); 278 if (!list_empty(&msta->wcid.poll_list)) 279 list_del_init(&msta->wcid.poll_list); 280 spin_unlock_bh(&dev->mt76.sta_poll_lock); 281 282 mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid); 283 } 284 285 int mt7615_set_channel(struct mt76_phy *mphy) 286 { 287 struct mt7615_phy *phy = mphy->priv; 288 struct mt7615_dev *dev = phy->dev; 289 bool ext_phy = phy != &dev->phy; 290 int ret; 291 292 mt76_connac_pm_wake(mphy, &dev->pm); 293 294 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { 295 ret = mt7615_mcu_apply_rx_dcoc(phy); 296 if (ret) 297 goto out; 298 299 ret = mt7615_mcu_apply_tx_dpd(phy); 300 if (ret) 301 goto out; 302 } 303 304 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 305 if (ret) 306 goto out; 307 308 mt7615_mac_set_timing(phy); 309 ret = mt7615_dfs_init_radar_detector(phy); 310 if (ret) 311 goto out; 312 313 mt7615_mac_cca_stats_reset(phy); 314 ret = mt7615_mcu_set_sku_en(phy, true); 315 if (ret) 316 goto out; 317 318 mt7615_mac_reset_counters(phy); 319 phy->noise = 0; 320 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); 321 322 out: 323 mt76_connac_power_save_sched(mphy, &dev->pm); 324 325 if (!mt76_testmode_enabled(phy->mt76)) { 326 unsigned long timeout = mt7615_get_macwork_timeout(dev); 327 328 ieee80211_queue_delayed_work(phy->mt76->hw, 329 &phy->mt76->mac_work, timeout); 330 } 331 332 return ret; 333 } 334 EXPORT_SYMBOL_GPL(mt7615_set_channel); 335 336 static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 337 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 338 struct ieee80211_key_conf *key) 339 { 340 struct mt7615_dev *dev = mt7615_hw_dev(hw); 341 struct mt7615_phy *phy = mt7615_hw_phy(hw); 342 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 343 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : 344 &mvif->sta; 345 struct mt76_wcid *wcid = &msta->wcid; 346 int idx = key->keyidx, err = 0; 347 u8 *wcid_keyidx = &wcid->hw_key_idx; 348 349 /* The hardware does not support per-STA RX GTK, fallback 350 * to software mode for these. 351 */ 352 if ((vif->type == NL80211_IFTYPE_ADHOC || 353 vif->type == NL80211_IFTYPE_MESH_POINT) && 354 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 355 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 356 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 357 return -EOPNOTSUPP; 358 359 /* fall back to sw encryption for unsupported ciphers */ 360 switch (key->cipher) { 361 case WLAN_CIPHER_SUITE_AES_CMAC: 362 wcid_keyidx = &wcid->hw_key_idx2; 363 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 364 break; 365 case WLAN_CIPHER_SUITE_TKIP: 366 case WLAN_CIPHER_SUITE_CCMP: 367 case WLAN_CIPHER_SUITE_CCMP_256: 368 case WLAN_CIPHER_SUITE_GCMP: 369 case WLAN_CIPHER_SUITE_GCMP_256: 370 case WLAN_CIPHER_SUITE_SMS4: 371 break; 372 case WLAN_CIPHER_SUITE_WEP40: 373 case WLAN_CIPHER_SUITE_WEP104: 374 default: 375 return -EOPNOTSUPP; 376 } 377 378 mt7615_mutex_acquire(dev); 379 380 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 381 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 382 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 383 } 384 385 if (cmd == SET_KEY) 386 *wcid_keyidx = idx; 387 else { 388 if (idx == *wcid_keyidx) 389 *wcid_keyidx = -1; 390 goto out; 391 } 392 393 mt76_wcid_key_setup(&dev->mt76, wcid, key); 394 if (mt76_is_mmio(&dev->mt76)) 395 err = mt7615_mac_wtbl_set_key(dev, wcid, key); 396 else 397 err = __mt7615_mac_wtbl_set_key(dev, wcid, key); 398 399 out: 400 mt7615_mutex_release(dev); 401 402 return err; 403 } 404 405 static int mt7615_set_sar_specs(struct ieee80211_hw *hw, 406 const struct cfg80211_sar_specs *sar) 407 { 408 struct mt7615_phy *phy = mt7615_hw_phy(hw); 409 int err; 410 411 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 412 return -EINVAL; 413 414 err = mt76_init_sar_power(hw, sar); 415 if (err) 416 return err; 417 418 if (mt7615_firmware_offload(phy->dev)) 419 return mt76_connac_mcu_set_rate_txpower(phy->mt76); 420 421 return mt76_update_channel(phy->mt76); 422 } 423 424 static int mt7615_config(struct ieee80211_hw *hw, u32 changed) 425 { 426 struct mt7615_dev *dev = mt7615_hw_dev(hw); 427 struct mt7615_phy *phy = mt7615_hw_phy(hw); 428 bool band = phy != &dev->phy; 429 int ret = 0; 430 431 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 432 IEEE80211_CONF_CHANGE_POWER)) { 433 #ifdef CONFIG_NL80211_TESTMODE 434 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 435 mt7615_mutex_acquire(dev); 436 mt76_testmode_reset(phy->mt76, false); 437 mt7615_mutex_release(dev); 438 } 439 #endif 440 ret = mt76_update_channel(phy->mt76); 441 } 442 443 mt7615_mutex_acquire(dev); 444 445 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 446 mt76_testmode_reset(phy->mt76, true); 447 448 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 449 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 450 else 451 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 452 453 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 454 } 455 456 mt7615_mutex_release(dev); 457 458 return ret; 459 } 460 461 static int 462 mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 463 unsigned int link_id, u16 queue, 464 const struct ieee80211_tx_queue_params *params) 465 { 466 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 467 struct mt7615_dev *dev = mt7615_hw_dev(hw); 468 int err; 469 470 mt7615_mutex_acquire(dev); 471 472 queue = mt7615_lmac_mapping(dev, queue); 473 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; 474 err = mt7615_mcu_set_wmm(dev, queue, params); 475 476 mt7615_mutex_release(dev); 477 478 return err; 479 } 480 481 static void mt7615_configure_filter(struct ieee80211_hw *hw, 482 unsigned int changed_flags, 483 unsigned int *total_flags, 484 u64 multicast) 485 { 486 struct mt7615_dev *dev = mt7615_hw_dev(hw); 487 struct mt7615_phy *phy = mt7615_hw_phy(hw); 488 bool band = phy != &dev->phy; 489 490 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 491 MT_WF_RFCR1_DROP_BF_POLL | 492 MT_WF_RFCR1_DROP_BA | 493 MT_WF_RFCR1_DROP_CFEND | 494 MT_WF_RFCR1_DROP_CFACK; 495 u32 flags = 0; 496 497 mt7615_mutex_acquire(dev); 498 499 #define MT76_FILTER(_flag, _hw) do { \ 500 flags |= *total_flags & FIF_##_flag; \ 501 phy->rxfilter &= ~(_hw); \ 502 if (!mt76_testmode_enabled(phy->mt76)) \ 503 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ 504 } while (0) 505 506 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 507 MT_WF_RFCR_DROP_FRAME_REPORT | 508 MT_WF_RFCR_DROP_PROBEREQ | 509 MT_WF_RFCR_DROP_MCAST_FILTERED | 510 MT_WF_RFCR_DROP_MCAST | 511 MT_WF_RFCR_DROP_BCAST | 512 MT_WF_RFCR_DROP_DUPLICATE | 513 MT_WF_RFCR_DROP_A2_BSSID | 514 MT_WF_RFCR_DROP_UNWANTED_CTL | 515 MT_WF_RFCR_DROP_STBC_MULTI); 516 517 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) 518 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; 519 520 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 521 MT_WF_RFCR_DROP_A3_MAC | 522 MT_WF_RFCR_DROP_A3_BSSID); 523 524 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 525 526 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 527 MT_WF_RFCR_DROP_RTS | 528 MT_WF_RFCR_DROP_CTL_RSV | 529 MT_WF_RFCR_DROP_NDPA); 530 531 *total_flags = flags; 532 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 533 534 if (*total_flags & FIF_CONTROL) 535 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 536 else 537 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 538 539 mt7615_mutex_release(dev); 540 } 541 542 static void 543 mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 544 struct ieee80211_bss_conf *info) 545 { 546 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 547 struct mt7615_dev *dev = mt7615_hw_dev(hw); 548 u8 i, band = mvif->mt76.band_idx; 549 u32 *mu; 550 551 mu = (u32 *)info->mu_group.membership; 552 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) { 553 if (is_mt7663(&dev->mt76)) 554 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 555 else 556 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 557 } 558 559 mu = (u32 *)info->mu_group.position; 560 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) { 561 if (is_mt7663(&dev->mt76)) 562 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]); 563 else 564 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]); 565 } 566 } 567 568 static void mt7615_bss_info_changed(struct ieee80211_hw *hw, 569 struct ieee80211_vif *vif, 570 struct ieee80211_bss_conf *info, 571 u64 changed) 572 { 573 struct mt7615_dev *dev = mt7615_hw_dev(hw); 574 struct mt7615_phy *phy = mt7615_hw_phy(hw); 575 576 mt7615_mutex_acquire(dev); 577 578 if (changed & BSS_CHANGED_ERP_SLOT) { 579 int slottime = info->use_short_slot ? 9 : 20; 580 581 if (slottime != phy->slottime) { 582 phy->slottime = slottime; 583 mt7615_mac_set_timing(phy); 584 } 585 } 586 587 if (changed & BSS_CHANGED_ERP_CTS_PROT) 588 mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot); 589 590 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 591 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 592 mt7615_mcu_sta_add(phy, vif, NULL, true); 593 594 if (mt7615_firmware_offload(dev) && vif->p2p) 595 mt76_connac_mcu_set_p2p_oppps(hw, vif); 596 } 597 598 if (changed & (BSS_CHANGED_BEACON | 599 BSS_CHANGED_BEACON_ENABLED)) 600 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); 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, u32 val) 789 { 790 struct mt7615_dev *dev = mt7615_hw_dev(hw); 791 struct mt7615_phy *phy = mt7615_hw_phy(hw); 792 int err, band = phy != &dev->phy; 793 794 mt7615_mutex_acquire(dev); 795 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); 796 mt7615_mutex_release(dev); 797 798 return err; 799 } 800 801 static int 802 mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 803 struct ieee80211_ampdu_params *params) 804 { 805 enum ieee80211_ampdu_mlme_action action = params->action; 806 struct mt7615_dev *dev = mt7615_hw_dev(hw); 807 struct ieee80211_sta *sta = params->sta; 808 struct ieee80211_txq *txq = sta->txq[params->tid]; 809 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 810 u16 tid = params->tid; 811 u16 ssn = params->ssn; 812 struct mt76_txq *mtxq; 813 int ret = 0; 814 815 if (!txq) 816 return -EINVAL; 817 818 mtxq = (struct mt76_txq *)txq->drv_priv; 819 820 mt7615_mutex_acquire(dev); 821 822 switch (action) { 823 case IEEE80211_AMPDU_RX_START: 824 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 825 params->buf_size); 826 ret = mt7615_mcu_add_rx_ba(dev, params, true); 827 break; 828 case IEEE80211_AMPDU_RX_STOP: 829 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 830 ret = mt7615_mcu_add_rx_ba(dev, params, false); 831 break; 832 case IEEE80211_AMPDU_TX_OPERATIONAL: 833 mtxq->aggr = true; 834 mtxq->send_bar = false; 835 ret = mt7615_mcu_add_tx_ba(dev, params, true); 836 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 837 ieee80211_send_bar(vif, sta->addr, tid, 838 IEEE80211_SN_TO_SEQ(ssn)); 839 break; 840 case IEEE80211_AMPDU_TX_STOP_FLUSH: 841 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 842 mtxq->aggr = false; 843 ret = mt7615_mcu_add_tx_ba(dev, params, false); 844 break; 845 case IEEE80211_AMPDU_TX_START: 846 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 847 params->ssn = ssn; 848 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 849 break; 850 case IEEE80211_AMPDU_TX_STOP_CONT: 851 mtxq->aggr = false; 852 ret = mt7615_mcu_add_tx_ba(dev, params, false); 853 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 854 break; 855 } 856 mt7615_mutex_release(dev); 857 858 return ret; 859 } 860 861 static int 862 mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 863 struct ieee80211_sta *sta) 864 { 865 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 866 IEEE80211_STA_NONE); 867 } 868 869 static int 870 mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 871 struct ieee80211_sta *sta) 872 { 873 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 874 IEEE80211_STA_NOTEXIST); 875 } 876 877 static int 878 mt7615_get_stats(struct ieee80211_hw *hw, 879 struct ieee80211_low_level_stats *stats) 880 { 881 struct mt7615_phy *phy = mt7615_hw_phy(hw); 882 struct mib_stats *mib = &phy->mib; 883 884 mt7615_mutex_acquire(phy->dev); 885 886 stats->dot11RTSSuccessCount = mib->rts_cnt; 887 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 888 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 889 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 890 891 mt7615_mutex_release(phy->dev); 892 893 return 0; 894 } 895 896 static u64 897 mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 898 { 899 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 900 struct mt7615_dev *dev = mt7615_hw_dev(hw); 901 union { 902 u64 t64; 903 u32 t32[2]; 904 } tsf; 905 u16 idx = mvif->mt76.omac_idx; 906 u32 reg; 907 908 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 909 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 910 911 mt7615_mutex_acquire(dev); 912 913 /* TSF read */ 914 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); 915 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); 916 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); 917 918 mt7615_mutex_release(dev); 919 920 return tsf.t64; 921 } 922 923 static void 924 mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 925 u64 timestamp) 926 { 927 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 928 struct mt7615_dev *dev = mt7615_hw_dev(hw); 929 union { 930 u64 t64; 931 u32 t32[2]; 932 } tsf = { .t64 = timestamp, }; 933 u16 idx = mvif->mt76.omac_idx; 934 u32 reg; 935 936 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 937 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 938 939 mt7615_mutex_acquire(dev); 940 941 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 942 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 943 /* TSF software overwrite */ 944 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); 945 946 mt7615_mutex_release(dev); 947 } 948 949 static void 950 mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 951 s64 timestamp) 952 { 953 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 954 struct mt7615_dev *dev = mt7615_hw_dev(hw); 955 union { 956 u64 t64; 957 u32 t32[2]; 958 } tsf = { .t64 = timestamp, }; 959 u16 idx = mvif->mt76.omac_idx; 960 u32 reg; 961 962 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 963 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 964 965 mt7615_mutex_acquire(dev); 966 967 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 968 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 969 /* TSF software adjust*/ 970 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); 971 972 mt7615_mutex_release(dev); 973 } 974 975 static void 976 mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 977 { 978 struct mt7615_phy *phy = mt7615_hw_phy(hw); 979 struct mt7615_dev *dev = phy->dev; 980 981 mt7615_mutex_acquire(dev); 982 phy->coverage_class = max_t(s16, coverage_class, 0); 983 mt7615_mac_set_timing(phy); 984 mt7615_mutex_release(dev); 985 } 986 987 static int 988 mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 989 { 990 struct mt7615_dev *dev = mt7615_hw_dev(hw); 991 struct mt7615_phy *phy = mt7615_hw_phy(hw); 992 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 993 bool ext_phy = phy != &dev->phy; 994 995 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 996 return -EINVAL; 997 998 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 999 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1000 1001 mt7615_mutex_acquire(dev); 1002 1003 phy->mt76->antenna_mask = tx_ant; 1004 if (ext_phy) { 1005 if (dev->chainmask == 0xf) 1006 tx_ant <<= 2; 1007 else 1008 tx_ant <<= 1; 1009 } 1010 phy->mt76->chainmask = tx_ant; 1011 1012 mt76_set_stream_caps(phy->mt76, true); 1013 1014 mt7615_mutex_release(dev); 1015 1016 return 0; 1017 } 1018 1019 static void mt7615_roc_iter(void *priv, u8 *mac, 1020 struct ieee80211_vif *vif) 1021 { 1022 struct mt7615_phy *phy = priv; 1023 1024 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1025 } 1026 1027 void mt7615_roc_work(struct work_struct *work) 1028 { 1029 struct mt7615_phy *phy; 1030 1031 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1032 roc_work); 1033 1034 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1035 return; 1036 1037 mt7615_mutex_acquire(phy->dev); 1038 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1039 IEEE80211_IFACE_ITER_RESUME_ALL, 1040 mt7615_roc_iter, phy); 1041 mt7615_mutex_release(phy->dev); 1042 ieee80211_remain_on_channel_expired(phy->mt76->hw); 1043 } 1044 1045 void mt7615_roc_timer(struct timer_list *timer) 1046 { 1047 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer); 1048 1049 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 1050 } 1051 1052 void mt7615_scan_work(struct work_struct *work) 1053 { 1054 struct mt7615_phy *phy; 1055 1056 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1057 scan_work.work); 1058 1059 while (true) { 1060 struct mt7615_mcu_rxd *rxd; 1061 struct sk_buff *skb; 1062 1063 spin_lock_bh(&phy->dev->mt76.lock); 1064 skb = __skb_dequeue(&phy->scan_event_list); 1065 spin_unlock_bh(&phy->dev->mt76.lock); 1066 1067 if (!skb) 1068 break; 1069 1070 rxd = (struct mt7615_mcu_rxd *)skb->data; 1071 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1072 ieee80211_sched_scan_results(phy->mt76->hw); 1073 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1074 &phy->mt76->state)) { 1075 struct cfg80211_scan_info info = { 1076 .aborted = false, 1077 }; 1078 1079 ieee80211_scan_completed(phy->mt76->hw, &info); 1080 } 1081 dev_kfree_skb(skb); 1082 } 1083 } 1084 1085 static int 1086 mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1087 struct ieee80211_scan_request *req) 1088 { 1089 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1090 struct mt76_phy *mphy = hw->priv; 1091 int err; 1092 1093 /* fall-back to sw-scan */ 1094 if (!mt7615_firmware_offload(dev)) 1095 return 1; 1096 1097 mt7615_mutex_acquire(dev); 1098 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1099 mt7615_mutex_release(dev); 1100 1101 return err; 1102 } 1103 1104 static void 1105 mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1106 { 1107 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1108 struct mt76_phy *mphy = hw->priv; 1109 1110 mt7615_mutex_acquire(dev); 1111 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1112 mt7615_mutex_release(dev); 1113 } 1114 1115 static int 1116 mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1117 struct cfg80211_sched_scan_request *req, 1118 struct ieee80211_scan_ies *ies) 1119 { 1120 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1121 struct mt76_phy *mphy = hw->priv; 1122 int err; 1123 1124 if (!mt7615_firmware_offload(dev)) 1125 return -EOPNOTSUPP; 1126 1127 mt7615_mutex_acquire(dev); 1128 1129 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1130 if (err < 0) 1131 goto out; 1132 1133 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1134 out: 1135 mt7615_mutex_release(dev); 1136 1137 return err; 1138 } 1139 1140 static int 1141 mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1142 { 1143 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1144 struct mt76_phy *mphy = hw->priv; 1145 int err; 1146 1147 if (!mt7615_firmware_offload(dev)) 1148 return -EOPNOTSUPP; 1149 1150 mt7615_mutex_acquire(dev); 1151 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1152 mt7615_mutex_release(dev); 1153 1154 return err; 1155 } 1156 1157 static int mt7615_remain_on_channel(struct ieee80211_hw *hw, 1158 struct ieee80211_vif *vif, 1159 struct ieee80211_channel *chan, 1160 int duration, 1161 enum ieee80211_roc_type type) 1162 { 1163 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1164 int err; 1165 1166 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 1167 return 0; 1168 1169 mt7615_mutex_acquire(phy->dev); 1170 1171 err = mt7615_mcu_set_roc(phy, vif, chan, duration); 1172 if (err < 0) { 1173 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1174 goto out; 1175 } 1176 1177 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 1178 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1179 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1180 err = -ETIMEDOUT; 1181 } 1182 1183 out: 1184 mt7615_mutex_release(phy->dev); 1185 1186 return err; 1187 } 1188 1189 static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, 1190 struct ieee80211_vif *vif) 1191 { 1192 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1193 int err; 1194 1195 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1196 return 0; 1197 1198 del_timer_sync(&phy->roc_timer); 1199 cancel_work_sync(&phy->roc_work); 1200 1201 mt7615_mutex_acquire(phy->dev); 1202 err = mt7615_mcu_set_roc(phy, vif, NULL, 0); 1203 mt7615_mutex_release(phy->dev); 1204 1205 return err; 1206 } 1207 1208 static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, 1209 struct ieee80211_vif *vif, 1210 struct ieee80211_sta *sta, 1211 bool enabled) 1212 { 1213 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1214 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 1215 1216 mt7615_mutex_acquire(dev); 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 mt7615_mutex_release(dev); 1226 } 1227 1228 #ifdef CONFIG_PM 1229 static int mt7615_suspend(struct ieee80211_hw *hw, 1230 struct cfg80211_wowlan *wowlan) 1231 { 1232 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1233 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1234 int err = 0; 1235 1236 cancel_delayed_work_sync(&dev->pm.ps_work); 1237 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1238 1239 mt7615_mutex_acquire(dev); 1240 1241 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1242 cancel_delayed_work_sync(&phy->scan_work); 1243 cancel_delayed_work_sync(&phy->mt76->mac_work); 1244 1245 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1246 ieee80211_iterate_active_interfaces(hw, 1247 IEEE80211_IFACE_ITER_RESUME_ALL, 1248 mt76_connac_mcu_set_suspend_iter, 1249 phy->mt76); 1250 1251 if (!mt7615_dev_running(dev)) 1252 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); 1253 1254 mt7615_mutex_release(dev); 1255 1256 return err; 1257 } 1258 1259 static int mt7615_resume(struct ieee80211_hw *hw) 1260 { 1261 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1262 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1263 unsigned long timeout; 1264 bool running; 1265 1266 mt7615_mutex_acquire(dev); 1267 1268 running = mt7615_dev_running(dev); 1269 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1270 1271 if (!running) { 1272 int err; 1273 1274 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); 1275 if (err < 0) { 1276 mt7615_mutex_release(dev); 1277 return err; 1278 } 1279 } 1280 1281 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1282 ieee80211_iterate_active_interfaces(hw, 1283 IEEE80211_IFACE_ITER_RESUME_ALL, 1284 mt76_connac_mcu_set_suspend_iter, 1285 phy->mt76); 1286 1287 timeout = mt7615_get_macwork_timeout(dev); 1288 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); 1289 1290 mt7615_mutex_release(dev); 1291 1292 return 0; 1293 } 1294 1295 static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1296 { 1297 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1298 struct mt76_dev *mdev = &dev->mt76; 1299 1300 device_set_wakeup_enable(mdev->dev, enabled); 1301 } 1302 1303 static void mt7615_set_rekey_data(struct ieee80211_hw *hw, 1304 struct ieee80211_vif *vif, 1305 struct cfg80211_gtk_rekey_data *data) 1306 { 1307 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1308 1309 mt7615_mutex_acquire(dev); 1310 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1311 mt7615_mutex_release(dev); 1312 } 1313 #endif /* CONFIG_PM */ 1314 1315 const struct ieee80211_ops mt7615_ops = { 1316 .add_chanctx = ieee80211_emulate_add_chanctx, 1317 .remove_chanctx = ieee80211_emulate_remove_chanctx, 1318 .change_chanctx = ieee80211_emulate_change_chanctx, 1319 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 1320 .tx = mt7615_tx, 1321 .start = mt7615_start, 1322 .stop = mt7615_stop, 1323 .add_interface = mt7615_add_interface, 1324 .remove_interface = mt7615_remove_interface, 1325 .config = mt7615_config, 1326 .conf_tx = mt7615_conf_tx, 1327 .configure_filter = mt7615_configure_filter, 1328 .bss_info_changed = mt7615_bss_info_changed, 1329 .sta_add = mt7615_sta_add, 1330 .sta_remove = mt7615_sta_remove, 1331 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1332 .set_key = mt7615_set_key, 1333 .sta_set_decap_offload = mt7615_sta_set_decap_offload, 1334 .ampdu_action = mt7615_ampdu_action, 1335 .set_rts_threshold = mt7615_set_rts_threshold, 1336 .wake_tx_queue = mt76_wake_tx_queue, 1337 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, 1338 .sw_scan_start = mt76_sw_scan, 1339 .sw_scan_complete = mt76_sw_scan_complete, 1340 .release_buffered_frames = mt76_release_buffered_frames, 1341 .get_txpower = mt76_get_txpower, 1342 .channel_switch_beacon = mt7615_channel_switch_beacon, 1343 .get_stats = mt7615_get_stats, 1344 .get_tsf = mt7615_get_tsf, 1345 .set_tsf = mt7615_set_tsf, 1346 .offset_tsf = mt7615_offset_tsf, 1347 .get_survey = mt76_get_survey, 1348 .get_antenna = mt76_get_antenna, 1349 .set_antenna = mt7615_set_antenna, 1350 .set_coverage_class = mt7615_set_coverage_class, 1351 .hw_scan = mt7615_hw_scan, 1352 .cancel_hw_scan = mt7615_cancel_hw_scan, 1353 .sched_scan_start = mt7615_start_sched_scan, 1354 .sched_scan_stop = mt7615_stop_sched_scan, 1355 .remain_on_channel = mt7615_remain_on_channel, 1356 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, 1357 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1358 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1359 #ifdef CONFIG_PM 1360 .suspend = mt7615_suspend, 1361 .resume = mt7615_resume, 1362 .set_wakeup = mt7615_set_wakeup, 1363 .set_rekey_data = mt7615_set_rekey_data, 1364 #endif /* CONFIG_PM */ 1365 .set_sar_specs = mt7615_set_sar_specs, 1366 }; 1367 EXPORT_SYMBOL_GPL(mt7615_ops); 1368 1369 MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver"); 1370 MODULE_LICENSE("Dual BSD/GPL"); 1371