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 15static 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 27static 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 88out: 89 mt7615_mutex_release(dev); 90 91 return ret; 92} 93 94static 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 128static inline int get_free_idx(u32 mask, u8 start, u8 end) 129{ 130 return ffs(~mask & GENMASK(end, start)); 131} 132 133static 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 179static 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); 241out: 242 mt7615_mutex_release(dev); 243 244 return ret; 245} 246 247static 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 285int mt7615_set_channel(struct mt7615_phy *phy) 286{ 287 struct mt7615_dev *dev = phy->dev; 288 bool ext_phy = phy != &dev->phy; 289 int ret; 290 291 cancel_delayed_work_sync(&phy->mt76->mac_work); 292 293 mt7615_mutex_acquire(dev); 294 295 set_bit(MT76_RESET, &phy->mt76->state); 296 297 mt76_set_channel(phy->mt76); 298 299 if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { 300 ret = mt7615_mcu_apply_rx_dcoc(phy); 301 if (ret) 302 goto out; 303 304 ret = mt7615_mcu_apply_tx_dpd(phy); 305 if (ret) 306 goto out; 307 } 308 309 ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 310 if (ret) 311 goto out; 312 313 mt7615_mac_set_timing(phy); 314 ret = mt7615_dfs_init_radar_detector(phy); 315 if (ret) 316 goto out; 317 318 mt7615_mac_cca_stats_reset(phy); 319 ret = mt7615_mcu_set_sku_en(phy, true); 320 if (ret) 321 goto out; 322 323 mt7615_mac_reset_counters(phy); 324 phy->noise = 0; 325 phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy)); 326 327out: 328 clear_bit(MT76_RESET, &phy->mt76->state); 329 330 mt7615_mutex_release(dev); 331 332 mt76_worker_schedule(&dev->mt76.tx_worker); 333 if (!mt76_testmode_enabled(phy->mt76)) { 334 unsigned long timeout = mt7615_get_macwork_timeout(dev); 335 336 ieee80211_queue_delayed_work(phy->mt76->hw, 337 &phy->mt76->mac_work, timeout); 338 } 339 340 return ret; 341} 342 343static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 344 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 345 struct ieee80211_key_conf *key) 346{ 347 struct mt7615_dev *dev = mt7615_hw_dev(hw); 348 struct mt7615_phy *phy = mt7615_hw_phy(hw); 349 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 350 struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv : 351 &mvif->sta; 352 struct mt76_wcid *wcid = &msta->wcid; 353 int idx = key->keyidx, err = 0; 354 u8 *wcid_keyidx = &wcid->hw_key_idx; 355 356 /* The hardware does not support per-STA RX GTK, fallback 357 * to software mode for these. 358 */ 359 if ((vif->type == NL80211_IFTYPE_ADHOC || 360 vif->type == NL80211_IFTYPE_MESH_POINT) && 361 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 362 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 363 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 364 return -EOPNOTSUPP; 365 366 /* fall back to sw encryption for unsupported ciphers */ 367 switch (key->cipher) { 368 case WLAN_CIPHER_SUITE_AES_CMAC: 369 wcid_keyidx = &wcid->hw_key_idx2; 370 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 371 break; 372 case WLAN_CIPHER_SUITE_TKIP: 373 case WLAN_CIPHER_SUITE_CCMP: 374 case WLAN_CIPHER_SUITE_CCMP_256: 375 case WLAN_CIPHER_SUITE_GCMP: 376 case WLAN_CIPHER_SUITE_GCMP_256: 377 case WLAN_CIPHER_SUITE_SMS4: 378 break; 379 case WLAN_CIPHER_SUITE_WEP40: 380 case WLAN_CIPHER_SUITE_WEP104: 381 default: 382 return -EOPNOTSUPP; 383 } 384 385 mt7615_mutex_acquire(dev); 386 387 if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) { 388 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 389 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 390 } 391 392 if (cmd == SET_KEY) 393 *wcid_keyidx = idx; 394 else { 395 if (idx == *wcid_keyidx) 396 *wcid_keyidx = -1; 397 goto out; 398 } 399 400 mt76_wcid_key_setup(&dev->mt76, wcid, key); 401 if (mt76_is_mmio(&dev->mt76)) 402 err = mt7615_mac_wtbl_set_key(dev, wcid, key); 403 else 404 err = __mt7615_mac_wtbl_set_key(dev, wcid, key); 405 406out: 407 mt7615_mutex_release(dev); 408 409 return err; 410} 411 412static int mt7615_set_sar_specs(struct ieee80211_hw *hw, 413 const struct cfg80211_sar_specs *sar) 414{ 415 struct mt7615_phy *phy = mt7615_hw_phy(hw); 416 int err; 417 418 if (!cfg80211_chandef_valid(&phy->mt76->chandef)) 419 return -EINVAL; 420 421 err = mt76_init_sar_power(hw, sar); 422 if (err) 423 return err; 424 425 if (mt7615_firmware_offload(phy->dev)) 426 return mt76_connac_mcu_set_rate_txpower(phy->mt76); 427 428 ieee80211_stop_queues(hw); 429 err = mt7615_set_channel(phy); 430 ieee80211_wake_queues(hw); 431 432 return err; 433} 434 435static int mt7615_config(struct ieee80211_hw *hw, u32 changed) 436{ 437 struct mt7615_dev *dev = mt7615_hw_dev(hw); 438 struct mt7615_phy *phy = mt7615_hw_phy(hw); 439 bool band = phy != &dev->phy; 440 int ret = 0; 441 442 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 443 IEEE80211_CONF_CHANGE_POWER)) { 444#ifdef CONFIG_NL80211_TESTMODE 445 if (phy->mt76->test.state != MT76_TM_STATE_OFF) { 446 mt7615_mutex_acquire(dev); 447 mt76_testmode_reset(phy->mt76, false); 448 mt7615_mutex_release(dev); 449 } 450#endif 451 ieee80211_stop_queues(hw); 452 ret = mt7615_set_channel(phy); 453 ieee80211_wake_queues(hw); 454 } 455 456 mt7615_mutex_acquire(dev); 457 458 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 459 mt76_testmode_reset(phy->mt76, true); 460 461 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 462 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 463 else 464 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 465 466 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 467 } 468 469 mt7615_mutex_release(dev); 470 471 return ret; 472} 473 474static int 475mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 476 unsigned int link_id, u16 queue, 477 const struct ieee80211_tx_queue_params *params) 478{ 479 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 480 struct mt7615_dev *dev = mt7615_hw_dev(hw); 481 int err; 482 483 mt7615_mutex_acquire(dev); 484 485 queue = mt7615_lmac_mapping(dev, queue); 486 queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS; 487 err = mt7615_mcu_set_wmm(dev, queue, params); 488 489 mt7615_mutex_release(dev); 490 491 return err; 492} 493 494static void mt7615_configure_filter(struct ieee80211_hw *hw, 495 unsigned int changed_flags, 496 unsigned int *total_flags, 497 u64 multicast) 498{ 499 struct mt7615_dev *dev = mt7615_hw_dev(hw); 500 struct mt7615_phy *phy = mt7615_hw_phy(hw); 501 bool band = phy != &dev->phy; 502 503 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 504 MT_WF_RFCR1_DROP_BF_POLL | 505 MT_WF_RFCR1_DROP_BA | 506 MT_WF_RFCR1_DROP_CFEND | 507 MT_WF_RFCR1_DROP_CFACK; 508 u32 flags = 0; 509 510 mt7615_mutex_acquire(dev); 511 512#define MT76_FILTER(_flag, _hw) do { \ 513 flags |= *total_flags & FIF_##_flag; \ 514 phy->rxfilter &= ~(_hw); \ 515 if (!mt76_testmode_enabled(phy->mt76)) \ 516 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\ 517 } while (0) 518 519 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 520 MT_WF_RFCR_DROP_FRAME_REPORT | 521 MT_WF_RFCR_DROP_PROBEREQ | 522 MT_WF_RFCR_DROP_MCAST_FILTERED | 523 MT_WF_RFCR_DROP_MCAST | 524 MT_WF_RFCR_DROP_BCAST | 525 MT_WF_RFCR_DROP_DUPLICATE | 526 MT_WF_RFCR_DROP_A2_BSSID | 527 MT_WF_RFCR_DROP_UNWANTED_CTL | 528 MT_WF_RFCR_DROP_STBC_MULTI); 529 530 if (phy->n_beacon_vif || !mt7615_firmware_offload(dev)) 531 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON; 532 533 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 534 MT_WF_RFCR_DROP_A3_MAC | 535 MT_WF_RFCR_DROP_A3_BSSID); 536 537 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 538 539 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 540 MT_WF_RFCR_DROP_RTS | 541 MT_WF_RFCR_DROP_CTL_RSV | 542 MT_WF_RFCR_DROP_NDPA); 543 544 *total_flags = flags; 545 mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); 546 547 if (*total_flags & FIF_CONTROL) 548 mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags); 549 else 550 mt76_set(dev, MT_WF_RFCR1(band), ctl_flags); 551 552 mt7615_mutex_release(dev); 553} 554 555static void 556mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 557 struct ieee80211_bss_conf *info) 558{ 559 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 560 struct mt7615_dev *dev = mt7615_hw_dev(hw); 561 u8 i, band = mvif->mt76.band_idx; 562 u32 *mu; 563 564 mu = (u32 *)info->mu_group.membership; 565 for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) { 566 if (is_mt7663(&dev->mt76)) 567 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 568 else 569 mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]); 570 } 571 572 mu = (u32 *)info->mu_group.position; 573 for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) { 574 if (is_mt7663(&dev->mt76)) 575 mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]); 576 else 577 mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]); 578 } 579} 580 581static void mt7615_bss_info_changed(struct ieee80211_hw *hw, 582 struct ieee80211_vif *vif, 583 struct ieee80211_bss_conf *info, 584 u64 changed) 585{ 586 struct mt7615_dev *dev = mt7615_hw_dev(hw); 587 struct mt7615_phy *phy = mt7615_hw_phy(hw); 588 589 mt7615_mutex_acquire(dev); 590 591 if (changed & BSS_CHANGED_ERP_SLOT) { 592 int slottime = info->use_short_slot ? 9 : 20; 593 594 if (slottime != phy->slottime) { 595 phy->slottime = slottime; 596 mt7615_mac_set_timing(phy); 597 } 598 } 599 600 if (changed & BSS_CHANGED_ERP_CTS_PROT) 601 mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot); 602 603 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 604 mt7615_mcu_add_bss_info(phy, vif, NULL, true); 605 mt7615_mcu_sta_add(phy, vif, NULL, true); 606 607 if (mt7615_firmware_offload(dev) && vif->p2p) 608 mt76_connac_mcu_set_p2p_oppps(hw, vif); 609 } 610 611 if (changed & (BSS_CHANGED_BEACON | 612 BSS_CHANGED_BEACON_ENABLED)) 613 mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon); 614 615 if (changed & BSS_CHANGED_PS) 616 mt76_connac_mcu_set_vif_ps(&dev->mt76, vif); 617 618 if ((changed & BSS_CHANGED_ARP_FILTER) && 619 mt7615_firmware_offload(dev)) { 620 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 621 622 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 623 info); 624 } 625 626 if (changed & BSS_CHANGED_ASSOC) 627 mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc); 628 629 if (changed & BSS_CHANGED_MU_GROUPS) 630 mt7615_update_mu_group(hw, vif, info); 631 632 mt7615_mutex_release(dev); 633} 634 635static void 636mt7615_channel_switch_beacon(struct ieee80211_hw *hw, 637 struct ieee80211_vif *vif, 638 struct cfg80211_chan_def *chandef) 639{ 640 struct mt7615_dev *dev = mt7615_hw_dev(hw); 641 642 mt7615_mutex_acquire(dev); 643 mt7615_mcu_add_beacon(dev, hw, vif, true); 644 mt7615_mutex_release(dev); 645} 646 647int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 648 struct ieee80211_sta *sta) 649{ 650 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 651 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 652 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 653 struct mt7615_phy *phy; 654 int idx, err; 655 656 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); 657 if (idx < 0) 658 return -ENOSPC; 659 660 INIT_LIST_HEAD(&msta->wcid.poll_list); 661 msta->vif = mvif; 662 msta->wcid.sta = 1; 663 msta->wcid.idx = idx; 664 msta->wcid.phy_idx = mvif->mt76.band_idx; 665 666 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 667 err = mt76_connac_pm_wake(phy->mt76, &dev->pm); 668 if (err) 669 return err; 670 671 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 672 err = mt7615_mcu_add_bss_info(phy, vif, sta, true); 673 if (err) 674 return err; 675 } 676 677 mt7615_mac_wtbl_update(dev, idx, 678 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 679 err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); 680 if (err) 681 return err; 682 683 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 684 685 return err; 686} 687EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); 688 689void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 690 struct ieee80211_sta *sta) 691{ 692 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 693 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 694 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 695 struct mt7615_phy *phy; 696 697 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 698 699 phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy; 700 mt76_connac_pm_wake(phy->mt76, &dev->pm); 701 702 mt7615_mcu_sta_add(&dev->phy, vif, sta, false); 703 mt7615_mac_wtbl_update(dev, msta->wcid.idx, 704 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 705 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 706 mt7615_mcu_add_bss_info(phy, vif, sta, false); 707 708 spin_lock_bh(&mdev->sta_poll_lock); 709 if (!list_empty(&msta->wcid.poll_list)) 710 list_del_init(&msta->wcid.poll_list); 711 spin_unlock_bh(&mdev->sta_poll_lock); 712 713 mt76_connac_power_save_sched(phy->mt76, &dev->pm); 714} 715EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove); 716 717static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, 718 struct ieee80211_vif *vif, 719 struct ieee80211_sta *sta) 720{ 721 struct mt7615_dev *dev = mt7615_hw_dev(hw); 722 struct mt7615_phy *phy = mt7615_hw_phy(hw); 723 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 724 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 725 int i; 726 727 if (!sta_rates) 728 return; 729 730 spin_lock_bh(&dev->mt76.lock); 731 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 732 msta->rates[i].idx = sta_rates->rate[i].idx; 733 msta->rates[i].count = sta_rates->rate[i].count; 734 msta->rates[i].flags = sta_rates->rate[i].flags; 735 736 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 737 break; 738 } 739 msta->n_rates = i; 740 if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) { 741 mt7615_mac_set_rates(phy, msta, NULL, msta->rates); 742 mt76_connac_pm_unref(phy->mt76, &dev->pm); 743 } 744 spin_unlock_bh(&dev->mt76.lock); 745} 746 747void mt7615_tx_worker(struct mt76_worker *w) 748{ 749 struct mt7615_dev *dev = container_of(w, struct mt7615_dev, 750 mt76.tx_worker); 751 752 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 753 queue_work(dev->mt76.wq, &dev->pm.wake_work); 754 return; 755 } 756 757 mt76_tx_worker_run(&dev->mt76); 758 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 759} 760 761static void mt7615_tx(struct ieee80211_hw *hw, 762 struct ieee80211_tx_control *control, 763 struct sk_buff *skb) 764{ 765 struct mt7615_dev *dev = mt7615_hw_dev(hw); 766 struct mt76_phy *mphy = hw->priv; 767 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 768 struct ieee80211_vif *vif = info->control.vif; 769 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 770 struct mt7615_sta *msta = NULL; 771 int qid; 772 773 if (control->sta) { 774 msta = (struct mt7615_sta *)control->sta->drv_priv; 775 wcid = &msta->wcid; 776 } 777 778 if (vif && !control->sta) { 779 struct mt7615_vif *mvif; 780 781 mvif = (struct mt7615_vif *)vif->drv_priv; 782 msta = &mvif->sta; 783 wcid = &msta->wcid; 784 } 785 786 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 787 mt76_tx(mphy, control->sta, wcid, skb); 788 mt76_connac_pm_unref(mphy, &dev->pm); 789 return; 790 } 791 792 qid = skb_get_queue_mapping(skb); 793 if (qid >= MT_TXQ_PSD) { 794 qid = IEEE80211_AC_BE; 795 skb_set_queue_mapping(skb, qid); 796 } 797 798 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 799} 800 801static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 802{ 803 struct mt7615_dev *dev = mt7615_hw_dev(hw); 804 struct mt7615_phy *phy = mt7615_hw_phy(hw); 805 int err, band = phy != &dev->phy; 806 807 mt7615_mutex_acquire(dev); 808 err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); 809 mt7615_mutex_release(dev); 810 811 return err; 812} 813 814static int 815mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 816 struct ieee80211_ampdu_params *params) 817{ 818 enum ieee80211_ampdu_mlme_action action = params->action; 819 struct mt7615_dev *dev = mt7615_hw_dev(hw); 820 struct ieee80211_sta *sta = params->sta; 821 struct ieee80211_txq *txq = sta->txq[params->tid]; 822 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 823 u16 tid = params->tid; 824 u16 ssn = params->ssn; 825 struct mt76_txq *mtxq; 826 int ret = 0; 827 828 if (!txq) 829 return -EINVAL; 830 831 mtxq = (struct mt76_txq *)txq->drv_priv; 832 833 mt7615_mutex_acquire(dev); 834 835 switch (action) { 836 case IEEE80211_AMPDU_RX_START: 837 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 838 params->buf_size); 839 ret = mt7615_mcu_add_rx_ba(dev, params, true); 840 break; 841 case IEEE80211_AMPDU_RX_STOP: 842 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 843 ret = mt7615_mcu_add_rx_ba(dev, params, false); 844 break; 845 case IEEE80211_AMPDU_TX_OPERATIONAL: 846 mtxq->aggr = true; 847 mtxq->send_bar = false; 848 ret = mt7615_mcu_add_tx_ba(dev, params, true); 849 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 850 ieee80211_send_bar(vif, sta->addr, tid, 851 IEEE80211_SN_TO_SEQ(ssn)); 852 break; 853 case IEEE80211_AMPDU_TX_STOP_FLUSH: 854 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 855 mtxq->aggr = false; 856 ret = mt7615_mcu_add_tx_ba(dev, params, false); 857 break; 858 case IEEE80211_AMPDU_TX_START: 859 ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); 860 params->ssn = ssn; 861 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 862 break; 863 case IEEE80211_AMPDU_TX_STOP_CONT: 864 mtxq->aggr = false; 865 ret = mt7615_mcu_add_tx_ba(dev, params, false); 866 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 867 break; 868 } 869 mt7615_mutex_release(dev); 870 871 return ret; 872} 873 874static int 875mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 876 struct ieee80211_sta *sta) 877{ 878 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST, 879 IEEE80211_STA_NONE); 880} 881 882static int 883mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 884 struct ieee80211_sta *sta) 885{ 886 return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE, 887 IEEE80211_STA_NOTEXIST); 888} 889 890static int 891mt7615_get_stats(struct ieee80211_hw *hw, 892 struct ieee80211_low_level_stats *stats) 893{ 894 struct mt7615_phy *phy = mt7615_hw_phy(hw); 895 struct mib_stats *mib = &phy->mib; 896 897 mt7615_mutex_acquire(phy->dev); 898 899 stats->dot11RTSSuccessCount = mib->rts_cnt; 900 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 901 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 902 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 903 904 mt7615_mutex_release(phy->dev); 905 906 return 0; 907} 908 909static u64 910mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 911{ 912 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 913 struct mt7615_dev *dev = mt7615_hw_dev(hw); 914 union { 915 u64 t64; 916 u32 t32[2]; 917 } tsf; 918 u16 idx = mvif->mt76.omac_idx; 919 u32 reg; 920 921 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 922 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 923 924 mt7615_mutex_acquire(dev); 925 926 /* TSF read */ 927 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); 928 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0); 929 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1); 930 931 mt7615_mutex_release(dev); 932 933 return tsf.t64; 934} 935 936static void 937mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 938 u64 timestamp) 939{ 940 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 941 struct mt7615_dev *dev = mt7615_hw_dev(hw); 942 union { 943 u64 t64; 944 u32 t32[2]; 945 } tsf = { .t64 = timestamp, }; 946 u16 idx = mvif->mt76.omac_idx; 947 u32 reg; 948 949 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 950 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 951 952 mt7615_mutex_acquire(dev); 953 954 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 955 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 956 /* TSF software overwrite */ 957 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE); 958 959 mt7615_mutex_release(dev); 960} 961 962static void 963mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 964 s64 timestamp) 965{ 966 struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv; 967 struct mt7615_dev *dev = mt7615_hw_dev(hw); 968 union { 969 u64 t64; 970 u32 t32[2]; 971 } tsf = { .t64 = timestamp, }; 972 u16 idx = mvif->mt76.omac_idx; 973 u32 reg; 974 975 idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx; 976 reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx); 977 978 mt7615_mutex_acquire(dev); 979 980 mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]); 981 mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]); 982 /* TSF software adjust*/ 983 mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST); 984 985 mt7615_mutex_release(dev); 986} 987 988static void 989mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 990{ 991 struct mt7615_phy *phy = mt7615_hw_phy(hw); 992 struct mt7615_dev *dev = phy->dev; 993 994 mt7615_mutex_acquire(dev); 995 phy->coverage_class = max_t(s16, coverage_class, 0); 996 mt7615_mac_set_timing(phy); 997 mt7615_mutex_release(dev); 998} 999 1000static int 1001mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1002{ 1003 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1004 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1005 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1006 bool ext_phy = phy != &dev->phy; 1007 1008 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1009 return -EINVAL; 1010 1011 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1012 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1013 1014 mt7615_mutex_acquire(dev); 1015 1016 phy->mt76->antenna_mask = tx_ant; 1017 if (ext_phy) { 1018 if (dev->chainmask == 0xf) 1019 tx_ant <<= 2; 1020 else 1021 tx_ant <<= 1; 1022 } 1023 phy->mt76->chainmask = tx_ant; 1024 1025 mt76_set_stream_caps(phy->mt76, true); 1026 1027 mt7615_mutex_release(dev); 1028 1029 return 0; 1030} 1031 1032static void mt7615_roc_iter(void *priv, u8 *mac, 1033 struct ieee80211_vif *vif) 1034{ 1035 struct mt7615_phy *phy = priv; 1036 1037 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1038} 1039 1040void mt7615_roc_work(struct work_struct *work) 1041{ 1042 struct mt7615_phy *phy; 1043 1044 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1045 roc_work); 1046 1047 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1048 return; 1049 1050 mt7615_mutex_acquire(phy->dev); 1051 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1052 IEEE80211_IFACE_ITER_RESUME_ALL, 1053 mt7615_roc_iter, phy); 1054 mt7615_mutex_release(phy->dev); 1055 ieee80211_remain_on_channel_expired(phy->mt76->hw); 1056} 1057 1058void mt7615_roc_timer(struct timer_list *timer) 1059{ 1060 struct mt7615_phy *phy = from_timer(phy, timer, roc_timer); 1061 1062 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 1063} 1064 1065void mt7615_scan_work(struct work_struct *work) 1066{ 1067 struct mt7615_phy *phy; 1068 1069 phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy, 1070 scan_work.work); 1071 1072 while (true) { 1073 struct mt7615_mcu_rxd *rxd; 1074 struct sk_buff *skb; 1075 1076 spin_lock_bh(&phy->dev->mt76.lock); 1077 skb = __skb_dequeue(&phy->scan_event_list); 1078 spin_unlock_bh(&phy->dev->mt76.lock); 1079 1080 if (!skb) 1081 break; 1082 1083 rxd = (struct mt7615_mcu_rxd *)skb->data; 1084 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1085 ieee80211_sched_scan_results(phy->mt76->hw); 1086 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1087 &phy->mt76->state)) { 1088 struct cfg80211_scan_info info = { 1089 .aborted = false, 1090 }; 1091 1092 ieee80211_scan_completed(phy->mt76->hw, &info); 1093 } 1094 dev_kfree_skb(skb); 1095 } 1096} 1097 1098static int 1099mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1100 struct ieee80211_scan_request *req) 1101{ 1102 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1103 struct mt76_phy *mphy = hw->priv; 1104 int err; 1105 1106 /* fall-back to sw-scan */ 1107 if (!mt7615_firmware_offload(dev)) 1108 return 1; 1109 1110 mt7615_mutex_acquire(dev); 1111 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1112 mt7615_mutex_release(dev); 1113 1114 return err; 1115} 1116 1117static void 1118mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1119{ 1120 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1121 struct mt76_phy *mphy = hw->priv; 1122 1123 mt7615_mutex_acquire(dev); 1124 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1125 mt7615_mutex_release(dev); 1126} 1127 1128static int 1129mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1130 struct cfg80211_sched_scan_request *req, 1131 struct ieee80211_scan_ies *ies) 1132{ 1133 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1134 struct mt76_phy *mphy = hw->priv; 1135 int err; 1136 1137 if (!mt7615_firmware_offload(dev)) 1138 return -EOPNOTSUPP; 1139 1140 mt7615_mutex_acquire(dev); 1141 1142 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1143 if (err < 0) 1144 goto out; 1145 1146 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1147out: 1148 mt7615_mutex_release(dev); 1149 1150 return err; 1151} 1152 1153static int 1154mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1155{ 1156 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1157 struct mt76_phy *mphy = hw->priv; 1158 int err; 1159 1160 if (!mt7615_firmware_offload(dev)) 1161 return -EOPNOTSUPP; 1162 1163 mt7615_mutex_acquire(dev); 1164 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1165 mt7615_mutex_release(dev); 1166 1167 return err; 1168} 1169 1170static int mt7615_remain_on_channel(struct ieee80211_hw *hw, 1171 struct ieee80211_vif *vif, 1172 struct ieee80211_channel *chan, 1173 int duration, 1174 enum ieee80211_roc_type type) 1175{ 1176 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1177 int err; 1178 1179 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 1180 return 0; 1181 1182 mt7615_mutex_acquire(phy->dev); 1183 1184 err = mt7615_mcu_set_roc(phy, vif, chan, duration); 1185 if (err < 0) { 1186 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1187 goto out; 1188 } 1189 1190 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 1191 mt7615_mcu_set_roc(phy, vif, NULL, 0); 1192 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 1193 err = -ETIMEDOUT; 1194 } 1195 1196out: 1197 mt7615_mutex_release(phy->dev); 1198 1199 return err; 1200} 1201 1202static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, 1203 struct ieee80211_vif *vif) 1204{ 1205 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1206 int err; 1207 1208 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 1209 return 0; 1210 1211 del_timer_sync(&phy->roc_timer); 1212 cancel_work_sync(&phy->roc_work); 1213 1214 mt7615_mutex_acquire(phy->dev); 1215 err = mt7615_mcu_set_roc(phy, vif, NULL, 0); 1216 mt7615_mutex_release(phy->dev); 1217 1218 return err; 1219} 1220 1221static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, 1222 struct ieee80211_vif *vif, 1223 struct ieee80211_sta *sta, 1224 bool enabled) 1225{ 1226 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1227 struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; 1228 1229 mt7615_mutex_acquire(dev); 1230 1231 if (enabled) 1232 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1233 else 1234 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1235 1236 mt7615_mcu_set_sta_decap_offload(dev, vif, sta); 1237 1238 mt7615_mutex_release(dev); 1239} 1240 1241#ifdef CONFIG_PM 1242static int mt7615_suspend(struct ieee80211_hw *hw, 1243 struct cfg80211_wowlan *wowlan) 1244{ 1245 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1246 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1247 int err = 0; 1248 1249 cancel_delayed_work_sync(&dev->pm.ps_work); 1250 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1251 1252 mt7615_mutex_acquire(dev); 1253 1254 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1255 cancel_delayed_work_sync(&phy->scan_work); 1256 cancel_delayed_work_sync(&phy->mt76->mac_work); 1257 1258 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1259 ieee80211_iterate_active_interfaces(hw, 1260 IEEE80211_IFACE_ITER_RESUME_ALL, 1261 mt76_connac_mcu_set_suspend_iter, 1262 phy->mt76); 1263 1264 if (!mt7615_dev_running(dev)) 1265 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); 1266 1267 mt7615_mutex_release(dev); 1268 1269 return err; 1270} 1271 1272static int mt7615_resume(struct ieee80211_hw *hw) 1273{ 1274 struct mt7615_phy *phy = mt7615_hw_phy(hw); 1275 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1276 unsigned long timeout; 1277 bool running; 1278 1279 mt7615_mutex_acquire(dev); 1280 1281 running = mt7615_dev_running(dev); 1282 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1283 1284 if (!running) { 1285 int err; 1286 1287 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); 1288 if (err < 0) { 1289 mt7615_mutex_release(dev); 1290 return err; 1291 } 1292 } 1293 1294 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1295 ieee80211_iterate_active_interfaces(hw, 1296 IEEE80211_IFACE_ITER_RESUME_ALL, 1297 mt76_connac_mcu_set_suspend_iter, 1298 phy->mt76); 1299 1300 timeout = mt7615_get_macwork_timeout(dev); 1301 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout); 1302 1303 mt7615_mutex_release(dev); 1304 1305 return 0; 1306} 1307 1308static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1309{ 1310 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1311 struct mt76_dev *mdev = &dev->mt76; 1312 1313 device_set_wakeup_enable(mdev->dev, enabled); 1314} 1315 1316static void mt7615_set_rekey_data(struct ieee80211_hw *hw, 1317 struct ieee80211_vif *vif, 1318 struct cfg80211_gtk_rekey_data *data) 1319{ 1320 struct mt7615_dev *dev = mt7615_hw_dev(hw); 1321 1322 mt7615_mutex_acquire(dev); 1323 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1324 mt7615_mutex_release(dev); 1325} 1326#endif /* CONFIG_PM */ 1327 1328const struct ieee80211_ops mt7615_ops = { 1329 .tx = mt7615_tx, 1330 .start = mt7615_start, 1331 .stop = mt7615_stop, 1332 .add_interface = mt7615_add_interface, 1333 .remove_interface = mt7615_remove_interface, 1334 .config = mt7615_config, 1335 .conf_tx = mt7615_conf_tx, 1336 .configure_filter = mt7615_configure_filter, 1337 .bss_info_changed = mt7615_bss_info_changed, 1338 .sta_add = mt7615_sta_add, 1339 .sta_remove = mt7615_sta_remove, 1340 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1341 .set_key = mt7615_set_key, 1342 .sta_set_decap_offload = mt7615_sta_set_decap_offload, 1343 .ampdu_action = mt7615_ampdu_action, 1344 .set_rts_threshold = mt7615_set_rts_threshold, 1345 .wake_tx_queue = mt76_wake_tx_queue, 1346 .sta_rate_tbl_update = mt7615_sta_rate_tbl_update, 1347 .sw_scan_start = mt76_sw_scan, 1348 .sw_scan_complete = mt76_sw_scan_complete, 1349 .release_buffered_frames = mt76_release_buffered_frames, 1350 .get_txpower = mt76_get_txpower, 1351 .channel_switch_beacon = mt7615_channel_switch_beacon, 1352 .get_stats = mt7615_get_stats, 1353 .get_tsf = mt7615_get_tsf, 1354 .set_tsf = mt7615_set_tsf, 1355 .offset_tsf = mt7615_offset_tsf, 1356 .get_survey = mt76_get_survey, 1357 .get_antenna = mt76_get_antenna, 1358 .set_antenna = mt7615_set_antenna, 1359 .set_coverage_class = mt7615_set_coverage_class, 1360 .hw_scan = mt7615_hw_scan, 1361 .cancel_hw_scan = mt7615_cancel_hw_scan, 1362 .sched_scan_start = mt7615_start_sched_scan, 1363 .sched_scan_stop = mt7615_stop_sched_scan, 1364 .remain_on_channel = mt7615_remain_on_channel, 1365 .cancel_remain_on_channel = mt7615_cancel_remain_on_channel, 1366 CFG80211_TESTMODE_CMD(mt76_testmode_cmd) 1367 CFG80211_TESTMODE_DUMP(mt76_testmode_dump) 1368#ifdef CONFIG_PM 1369 .suspend = mt7615_suspend, 1370 .resume = mt7615_resume, 1371 .set_wakeup = mt7615_set_wakeup, 1372 .set_rekey_data = mt7615_set_rekey_data, 1373#endif /* CONFIG_PM */ 1374 .set_sar_specs = mt7615_set_sar_specs, 1375}; 1376EXPORT_SYMBOL_GPL(mt7615_ops); 1377 1378MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver"); 1379MODULE_LICENSE("Dual BSD/GPL"); 1380