drivers/net/wireless/mediatek/mt76/mt7921/main.c

   1 // SPDX-License-Identifier: ISC
   2 /* Copyright (C) 2020 MediaTek Inc. */
   3
   4 #include <linux/etherdevice.h>
   5 #include <linux/platform_device.h>
   6 #include <linux/pci.h>
   7 #include <linux/module.h>
   8 #include "mt7921.h"
   9 #include "mcu.h"
  10
  11 static void
  12 mt7921_gen_ppe_thresh(u8 *he_ppet, int nss)
  13 {
  14         u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
  15         u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
  16
  17         he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
  18                      FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
  19                                 ru_bit_mask);
  20
  21         ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
  22                     nss * hweight8(ru_bit_mask) * 2;
  23         ppet_size = DIV_ROUND_UP(ppet_bits, 8);
  24
  25         for (i = 0; i < ppet_size - 1; i++)
  26                 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
  27
  28         he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
  29                          (0xff >> (8 - (ppet_bits - 1) % 8));
  30 }
  31
  32 static int
  33 mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
  34                     struct ieee80211_sband_iftype_data *data)
  35 {
  36         int i, idx = 0;
  37         int nss = hweight8(phy->mt76->chainmask);
  38         u16 mcs_map = 0;
  39
  40         for (i = 0; i < 8; i++) {
  41                 if (i < nss)
  42                         mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
  43                 else
  44                         mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
  45         }
  46
  47         for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
  48                 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
  49                 struct ieee80211_he_cap_elem *he_cap_elem =
  50                                 &he_cap->he_cap_elem;
  51                 struct ieee80211_he_mcs_nss_supp *he_mcs =
  52                                 &he_cap->he_mcs_nss_supp;
  53
  54                 switch (i) {
  55                 case NL80211_IFTYPE_STATION:
  56                         break;
  57                 default:
  58                         continue;
  59                 }
  60
  61                 data[idx].types_mask = BIT(i);
  62                 he_cap->has_he = true;
  63
  64                 he_cap_elem->mac_cap_info[0] =
  65                         IEEE80211_HE_MAC_CAP0_HTC_HE;
  66                 he_cap_elem->mac_cap_info[3] =
  67                         IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
  68                         IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
  69                 he_cap_elem->mac_cap_info[4] =
  70                         IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
  71
  72                 if (band == NL80211_BAND_2GHZ)
  73                         he_cap_elem->phy_cap_info[0] =
  74                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
  75                 else if (band == NL80211_BAND_5GHZ)
  76                         he_cap_elem->phy_cap_info[0] =
  77                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
  78
  79                 he_cap_elem->phy_cap_info[1] =
  80                         IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
  81                 he_cap_elem->phy_cap_info[2] =
  82                         IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
  83                         IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
  84
  85                 switch (i) {
  86                 case NL80211_IFTYPE_STATION:
  87                         he_cap_elem->mac_cap_info[0] |=
  88                                 IEEE80211_HE_MAC_CAP0_TWT_REQ;
  89                         he_cap_elem->mac_cap_info[1] |=
  90                                 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
  91
  92                         if (band == NL80211_BAND_2GHZ)
  93                                 he_cap_elem->phy_cap_info[0] |=
  94                                         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
  95                         else if (band == NL80211_BAND_5GHZ)
  96                                 he_cap_elem->phy_cap_info[0] |=
  97                                         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
  98
  99                         he_cap_elem->phy_cap_info[1] |=
 100                                 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
 101                                 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
 102                         he_cap_elem->phy_cap_info[3] |=
 103                                 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
 104                                 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
 105                         he_cap_elem->phy_cap_info[6] |=
 106                                 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
 107                                 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
 108                                 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
 109                         he_cap_elem->phy_cap_info[7] |=
 110                                 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
 111                                 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
 112                         he_cap_elem->phy_cap_info[8] |=
 113                                 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
 114                                 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
 115                         he_cap_elem->phy_cap_info[9] |=
 116                                 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
 117                                 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
 118                                 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
 119                                 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
 120                                 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
 121                                 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
 122                         break;
 123                 }
 124
 125                 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
 126                 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
 127
 128                 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
 129                 if (he_cap_elem->phy_cap_info[6] &
 130                     IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
 131                         mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss);
 132                 } else {
 133                         he_cap_elem->phy_cap_info[9] |=
 134                                 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
 135                 }
 136                 idx++;
 137         }
 138
 139         return idx;
 140 }
 141
 142 void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
 143 {
 144         struct ieee80211_sband_iftype_data *data;
 145         struct ieee80211_supported_band *band;
 146         int n;
 147
 148         if (phy->mt76->cap.has_2ghz) {
 149                 data = phy->iftype[NL80211_BAND_2GHZ];
 150                 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data);
 151
 152                 band = &phy->mt76->sband_2g.sband;
 153                 band->iftype_data = data;
 154                 band->n_iftype_data = n;
 155         }
 156
 157         if (phy->mt76->cap.has_5ghz) {
 158                 data = phy->iftype[NL80211_BAND_5GHZ];
 159                 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data);
 160
 161                 band = &phy->mt76->sband_5g.sband;
 162                 band->iftype_data = data;
 163                 band->n_iftype_data = n;
 164         }
 165 }
 166
 167 int __mt7921_start(struct mt7921_phy *phy)
 168 {
 169         struct mt76_phy *mphy = phy->mt76;
 170         int err;
 171
 172         err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false);
 173         if (err)
 174                 return err;
 175
 176         err = mt76_connac_mcu_set_channel_domain(mphy);
 177         if (err)
 178                 return err;
 179
 180         err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
 181         if (err)
 182                 return err;
 183
 184         err = mt76_connac_mcu_set_rate_txpower(phy->mt76);
 185         if (err)
 186                 return err;
 187
 188         mt7921_mac_reset_counters(phy);
 189         set_bit(MT76_STATE_RUNNING, &mphy->state);
 190
 191         ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
 192                                      MT7921_WATCHDOG_TIME);
 193
 194         return 0;
 195 }
 196
 197 static int mt7921_start(struct ieee80211_hw *hw)
 198 {
 199         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 200         int err;
 201
 202         mt7921_mutex_acquire(phy->dev);
 203         err = __mt7921_start(phy);
 204         mt7921_mutex_release(phy->dev);
 205
 206         return err;
 207 }
 208
 209 static void mt7921_stop(struct ieee80211_hw *hw)
 210 {
 211         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 212         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 213
 214         cancel_delayed_work_sync(&phy->mt76->mac_work);
 215
 216         cancel_delayed_work_sync(&dev->pm.ps_work);
 217         cancel_work_sync(&dev->pm.wake_work);
 218         mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
 219
 220         mt7921_mutex_acquire(dev);
 221         clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
 222         mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
 223         mt7921_mutex_release(dev);
 224 }
 225
 226 static inline int get_free_idx(u32 mask, u8 start, u8 end)
 227 {
 228         return ffs(~mask & GENMASK(end, start));
 229 }
 230
 231 static int get_omac_idx(enum nl80211_iftype type, u64 mask)
 232 {
 233         int i;
 234
 235         switch (type) {
 236         case NL80211_IFTYPE_STATION:
 237                 /* prefer hw bssid slot 1-3 */
 238                 i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
 239                 if (i)
 240                         return i - 1;
 241
 242                 /* next, try to find a free repeater entry for the sta */
 243                 i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
 244                                  REPEATER_BSSID_MAX - REPEATER_BSSID_START);
 245                 if (i)
 246                         return i + 32 - 1;
 247
 248                 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
 249                 if (i)
 250                         return i - 1;
 251
 252                 if (~mask & BIT(HW_BSSID_0))
 253                         return HW_BSSID_0;
 254
 255                 break;
 256         case NL80211_IFTYPE_MONITOR:
 257                 /* ap uses hw bssid 0 and ext bssid */
 258                 if (~mask & BIT(HW_BSSID_0))
 259                         return HW_BSSID_0;
 260
 261                 i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
 262                 if (i)
 263                         return i - 1;
 264
 265                 break;
 266         default:
 267                 WARN_ON(1);
 268                 break;
 269         }
 270
 271         return -1;
 272 }
 273
 274 static int mt7921_add_interface(struct ieee80211_hw *hw,
 275                                 struct ieee80211_vif *vif)
 276 {
 277         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 278         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 279         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 280         struct mt76_txq *mtxq;
 281         int idx, ret = 0;
 282
 283         mt7921_mutex_acquire(dev);
 284
 285         if (vif->type == NL80211_IFTYPE_MONITOR &&
 286             is_zero_ether_addr(vif->addr))
 287                 phy->monitor_vif = vif;
 288
 289         mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1;
 290         if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) {
 291                 ret = -ENOSPC;
 292                 goto out;
 293         }
 294
 295         idx = get_omac_idx(vif->type, phy->omac_mask);
 296         if (idx < 0) {
 297                 ret = -ENOSPC;
 298                 goto out;
 299         }
 300         mvif->mt76.omac_idx = idx;
 301         mvif->phy = phy;
 302         mvif->mt76.band_idx = 0;
 303         mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS;
 304
 305         ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid,
 306                                           true);
 307         if (ret)
 308                 goto out;
 309
 310         dev->mt76.vif_mask |= BIT(mvif->mt76.idx);
 311         phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
 312
 313         idx = MT7921_WTBL_RESERVED - mvif->mt76.idx;
 314
 315         INIT_LIST_HEAD(&mvif->sta.stats_list);
 316         INIT_LIST_HEAD(&mvif->sta.poll_list);
 317         mvif->sta.wcid.idx = idx;
 318         mvif->sta.wcid.ext_phy = mvif->mt76.band_idx;
 319         mvif->sta.wcid.hw_key_idx = -1;
 320         mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
 321         mt7921_mac_wtbl_update(dev, idx,
 322                                MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 323
 324         ewma_rssi_init(&mvif->rssi);
 325
 326         rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
 327         if (vif->txq) {
 328                 mtxq = (struct mt76_txq *)vif->txq->drv_priv;
 329                 mtxq->wcid = &mvif->sta.wcid;
 330         }
 331
 332         if (vif->type != NL80211_IFTYPE_AP &&
 333             (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
 334                 vif->offload_flags = 0;
 335
 336         vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
 337
 338 out:
 339         mt7921_mutex_release(dev);
 340
 341         return ret;
 342 }
 343
 344 static void mt7921_remove_interface(struct ieee80211_hw *hw,
 345                                     struct ieee80211_vif *vif)
 346 {
 347         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 348         struct mt7921_sta *msta = &mvif->sta;
 349         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 350         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 351         int idx = msta->wcid.idx;
 352
 353         if (vif == phy->monitor_vif)
 354                 phy->monitor_vif = NULL;
 355
 356         mt7921_mutex_acquire(dev);
 357         mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
 358         mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false);
 359
 360         rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
 361
 362         dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx);
 363         phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
 364         mt7921_mutex_release(dev);
 365
 366         spin_lock_bh(&dev->sta_poll_lock);
 367         if (!list_empty(&msta->poll_list))
 368                 list_del_init(&msta->poll_list);
 369         spin_unlock_bh(&dev->sta_poll_lock);
 370 }
 371
 372 int mt7921_set_channel(struct mt7921_phy *phy)
 373 {
 374         struct mt7921_dev *dev = phy->dev;
 375         int ret;
 376
 377         cancel_delayed_work_sync(&phy->mt76->mac_work);
 378
 379         mt7921_mutex_acquire(dev);
 380         set_bit(MT76_RESET, &phy->mt76->state);
 381
 382         mt76_set_channel(phy->mt76);
 383
 384         ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
 385         if (ret)
 386                 goto out;
 387
 388         mt7921_mac_set_timing(phy);
 389
 390         mt7921_mac_reset_counters(phy);
 391         phy->noise = 0;
 392
 393 out:
 394         clear_bit(MT76_RESET, &phy->mt76->state);
 395         mt7921_mutex_release(dev);
 396
 397         mt76_worker_schedule(&dev->mt76.tx_worker);
 398         ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work,
 399                                      MT7921_WATCHDOG_TIME);
 400
 401         return ret;
 402 }
 403
 404 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 405                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
 406                           struct ieee80211_key_conf *key)
 407 {
 408         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 409         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 410         struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv :
 411                                   &mvif->sta;
 412         struct mt76_wcid *wcid = &msta->wcid;
 413         u8 *wcid_keyidx = &wcid->hw_key_idx;
 414         int idx = key->keyidx, err = 0;
 415
 416         /* The hardware does not support per-STA RX GTK, fallback
 417          * to software mode for these.
 418          */
 419         if ((vif->type == NL80211_IFTYPE_ADHOC ||
 420              vif->type == NL80211_IFTYPE_MESH_POINT) &&
 421             (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
 422              key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
 423             !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
 424                 return -EOPNOTSUPP;
 425
 426         /* fall back to sw encryption for unsupported ciphers */
 427         switch (key->cipher) {
 428         case WLAN_CIPHER_SUITE_AES_CMAC:
 429                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
 430                 wcid_keyidx = &wcid->hw_key_idx2;
 431                 break;
 432         case WLAN_CIPHER_SUITE_TKIP:
 433         case WLAN_CIPHER_SUITE_CCMP:
 434         case WLAN_CIPHER_SUITE_CCMP_256:
 435         case WLAN_CIPHER_SUITE_GCMP:
 436         case WLAN_CIPHER_SUITE_GCMP_256:
 437         case WLAN_CIPHER_SUITE_SMS4:
 438                 break;
 439         case WLAN_CIPHER_SUITE_WEP40:
 440         case WLAN_CIPHER_SUITE_WEP104:
 441         default:
 442                 return -EOPNOTSUPP;
 443         }
 444
 445         mt7921_mutex_acquire(dev);
 446
 447         if (cmd == SET_KEY)
 448                 *wcid_keyidx = idx;
 449         else if (idx == *wcid_keyidx)
 450                 *wcid_keyidx = -1;
 451         else
 452                 goto out;
 453
 454         mt76_wcid_key_setup(&dev->mt76, wcid,
 455                             cmd == SET_KEY ? key : NULL);
 456
 457         err = mt7921_mcu_add_key(dev, vif, msta, key, cmd);
 458 out:
 459         mt7921_mutex_release(dev);
 460
 461         return err;
 462 }
 463
 464 static int mt7921_config(struct ieee80211_hw *hw, u32 changed)
 465 {
 466         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 467         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 468         int ret;
 469
 470         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 471                 ieee80211_stop_queues(hw);
 472                 ret = mt7921_set_channel(phy);
 473                 if (ret)
 474                         return ret;
 475                 ieee80211_wake_queues(hw);
 476         }
 477
 478         mt7921_mutex_acquire(dev);
 479
 480         if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 481                 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
 482
 483                 if (!enabled)
 484                         phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
 485                 else
 486                         phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
 487
 488                 mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN,
 489                                enabled);
 490                 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter);
 491         }
 492
 493         mt7921_mutex_release(dev);
 494
 495         return 0;
 496 }
 497
 498 static int
 499 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
 500                const struct ieee80211_tx_queue_params *params)
 501 {
 502         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 503         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 504
 505         /* no need to update right away, we'll get BSS_CHANGED_QOS */
 506         queue = mt7921_lmac_mapping(dev, queue);
 507         mvif->queue_params[queue] = *params;
 508
 509         return 0;
 510 }
 511
 512 static void mt7921_configure_filter(struct ieee80211_hw *hw,
 513                                     unsigned int changed_flags,
 514                                     unsigned int *total_flags,
 515                                     u64 multicast)
 516 {
 517         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 518         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 519         u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
 520                         MT_WF_RFCR1_DROP_BF_POLL |
 521                         MT_WF_RFCR1_DROP_BA |
 522                         MT_WF_RFCR1_DROP_CFEND |
 523                         MT_WF_RFCR1_DROP_CFACK;
 524         u32 flags = 0;
 525
 526 #define MT76_FILTER(_flag, _hw) do {                                    \
 527                 flags |= *total_flags & FIF_##_flag;                    \
 528                 phy->rxfilter &= ~(_hw);                                \
 529                 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);        \
 530         } while (0)
 531
 532         mt7921_mutex_acquire(dev);
 533
 534         phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
 535                            MT_WF_RFCR_DROP_OTHER_BEACON |
 536                            MT_WF_RFCR_DROP_FRAME_REPORT |
 537                            MT_WF_RFCR_DROP_PROBEREQ |
 538                            MT_WF_RFCR_DROP_MCAST_FILTERED |
 539                            MT_WF_RFCR_DROP_MCAST |
 540                            MT_WF_RFCR_DROP_BCAST |
 541                            MT_WF_RFCR_DROP_DUPLICATE |
 542                            MT_WF_RFCR_DROP_A2_BSSID |
 543                            MT_WF_RFCR_DROP_UNWANTED_CTL |
 544                            MT_WF_RFCR_DROP_STBC_MULTI);
 545
 546         MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
 547                                MT_WF_RFCR_DROP_A3_MAC |
 548                                MT_WF_RFCR_DROP_A3_BSSID);
 549
 550         MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
 551
 552         MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
 553                              MT_WF_RFCR_DROP_RTS |
 554                              MT_WF_RFCR_DROP_CTL_RSV |
 555                              MT_WF_RFCR_DROP_NDPA);
 556
 557         *total_flags = flags;
 558         mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter);
 559
 560         if (*total_flags & FIF_CONTROL)
 561                 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags);
 562         else
 563                 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags);
 564
 565         mt7921_mutex_release(dev);
 566 }
 567
 568 static int
 569 mt7921_bss_bcnft_apply(struct mt7921_dev *dev, struct ieee80211_vif *vif,
 570                        bool assoc)
 571 {
 572         int ret;
 573
 574         if (!dev->pm.enable)
 575                 return 0;
 576
 577         if (assoc) {
 578                 ret = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
 579                 if (ret)
 580                         return ret;
 581
 582                 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 583                 mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON);
 584
 585                 return 0;
 586         }
 587
 588         ret = mt7921_mcu_set_bss_pm(dev, vif, false);
 589         if (ret)
 590                 return ret;
 591
 592         vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
 593         mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON);
 594
 595         return 0;
 596 }
 597
 598 static void mt7921_bss_info_changed(struct ieee80211_hw *hw,
 599                                     struct ieee80211_vif *vif,
 600                                     struct ieee80211_bss_conf *info,
 601                                     u32 changed)
 602 {
 603         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 604         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 605
 606         mt7921_mutex_acquire(dev);
 607
 608         if (changed & BSS_CHANGED_ERP_SLOT) {
 609                 int slottime = info->use_short_slot ? 9 : 20;
 610
 611                 if (slottime != phy->slottime) {
 612                         phy->slottime = slottime;
 613                         mt7921_mac_set_timing(phy);
 614                 }
 615         }
 616
 617         /* ensure that enable txcmd_mode after bss_info */
 618         if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
 619                 mt7921_mcu_set_tx(dev, vif);
 620
 621         if (changed & BSS_CHANGED_PS)
 622                 mt7921_mcu_uni_bss_ps(dev, vif);
 623
 624         if (changed & BSS_CHANGED_ASSOC) {
 625                 mt7921_mcu_sta_add(dev, NULL, vif, true);
 626                 mt7921_bss_bcnft_apply(dev, vif, info->assoc);
 627         }
 628
 629         if (changed & BSS_CHANGED_ARP_FILTER) {
 630                 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 631
 632                 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
 633                                                   info);
 634         }
 635
 636         mt7921_mutex_release(dev);
 637 }
 638
 639 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 640                        struct ieee80211_sta *sta)
 641 {
 642         struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
 643         struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
 644         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 645         int ret, idx;
 646
 647         idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
 648         if (idx < 0)
 649                 return -ENOSPC;
 650
 651         INIT_LIST_HEAD(&msta->stats_list);
 652         INIT_LIST_HEAD(&msta->poll_list);
 653         msta->vif = mvif;
 654         msta->wcid.sta = 1;
 655         msta->wcid.idx = idx;
 656         msta->wcid.ext_phy = mvif->mt76.band_idx;
 657         msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
 658         msta->stats.jiffies = jiffies;
 659
 660         ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 661         if (ret)
 662                 return ret;
 663
 664         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
 665                 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
 666                                             true);
 667
 668         mt7921_mac_wtbl_update(dev, idx,
 669                                MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 670
 671         ret = mt7921_mcu_sta_add(dev, sta, vif, true);
 672         if (ret)
 673                 return ret;
 674
 675         mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
 676
 677         return 0;
 678 }
 679
 680 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 681                            struct ieee80211_sta *sta)
 682 {
 683         struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
 684         struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
 685
 686         mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
 687         mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 688
 689         mt7921_mcu_sta_add(dev, sta, vif, false);
 690         mt7921_mac_wtbl_update(dev, msta->wcid.idx,
 691                                MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 692
 693         if (vif->type == NL80211_IFTYPE_STATION) {
 694                 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 695
 696                 ewma_rssi_init(&mvif->rssi);
 697                 if (!sta->tdls)
 698                         mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
 699                                                     &mvif->sta.wcid, false);
 700         }
 701
 702         spin_lock_bh(&dev->sta_poll_lock);
 703         if (!list_empty(&msta->poll_list))
 704                 list_del_init(&msta->poll_list);
 705         if (!list_empty(&msta->stats_list))
 706                 list_del_init(&msta->stats_list);
 707         spin_unlock_bh(&dev->sta_poll_lock);
 708
 709         mt76_connac_power_save_sched(&dev->mphy, &dev->pm);
 710 }
 711
 712 void mt7921_tx_worker(struct mt76_worker *w)
 713 {
 714         struct mt7921_dev *dev = container_of(w, struct mt7921_dev,
 715                                               mt76.tx_worker);
 716
 717         if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
 718                 queue_work(dev->mt76.wq, &dev->pm.wake_work);
 719                 return;
 720         }
 721
 722         mt76_txq_schedule_all(&dev->mphy);
 723         mt76_connac_pm_unref(&dev->pm);
 724 }
 725
 726 static void mt7921_tx(struct ieee80211_hw *hw,
 727                       struct ieee80211_tx_control *control,
 728                       struct sk_buff *skb)
 729 {
 730         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 731         struct mt76_phy *mphy = hw->priv;
 732         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 733         struct ieee80211_vif *vif = info->control.vif;
 734         struct mt76_wcid *wcid = &dev->mt76.global_wcid;
 735         int qid;
 736
 737         if (control->sta) {
 738                 struct mt7921_sta *sta;
 739
 740                 sta = (struct mt7921_sta *)control->sta->drv_priv;
 741                 wcid = &sta->wcid;
 742         }
 743
 744         if (vif && !control->sta) {
 745                 struct mt7921_vif *mvif;
 746
 747                 mvif = (struct mt7921_vif *)vif->drv_priv;
 748                 wcid = &mvif->sta.wcid;
 749         }
 750
 751         if (mt76_connac_pm_ref(mphy, &dev->pm)) {
 752                 mt76_tx(mphy, control->sta, wcid, skb);
 753                 mt76_connac_pm_unref(&dev->pm);
 754                 return;
 755         }
 756
 757         qid = skb_get_queue_mapping(skb);
 758         if (qid >= MT_TXQ_PSD) {
 759                 qid = IEEE80211_AC_BE;
 760                 skb_set_queue_mapping(skb, qid);
 761         }
 762
 763         mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
 764 }
 765
 766 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
 767 {
 768         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 769
 770         mt7921_mutex_acquire(dev);
 771         mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);
 772         mt7921_mutex_release(dev);
 773
 774         return 0;
 775 }
 776
 777 static int
 778 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 779                     struct ieee80211_ampdu_params *params)
 780 {
 781         enum ieee80211_ampdu_mlme_action action = params->action;
 782         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 783         struct ieee80211_sta *sta = params->sta;
 784         struct ieee80211_txq *txq = sta->txq[params->tid];
 785         struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
 786         u16 tid = params->tid;
 787         u16 ssn = params->ssn;
 788         struct mt76_txq *mtxq;
 789         int ret = 0;
 790
 791         if (!txq)
 792                 return -EINVAL;
 793
 794         mtxq = (struct mt76_txq *)txq->drv_priv;
 795
 796         mt7921_mutex_acquire(dev);
 797         switch (action) {
 798         case IEEE80211_AMPDU_RX_START:
 799                 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
 800                                    params->buf_size);
 801                 mt7921_mcu_uni_rx_ba(dev, params, true);
 802                 break;
 803         case IEEE80211_AMPDU_RX_STOP:
 804                 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
 805                 mt7921_mcu_uni_rx_ba(dev, params, false);
 806                 break;
 807         case IEEE80211_AMPDU_TX_OPERATIONAL:
 808                 mtxq->aggr = true;
 809                 mtxq->send_bar = false;
 810                 mt7921_mcu_uni_tx_ba(dev, params, true);
 811                 break;
 812         case IEEE80211_AMPDU_TX_STOP_FLUSH:
 813         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 814                 mtxq->aggr = false;
 815                 clear_bit(tid, &msta->ampdu_state);
 816                 mt7921_mcu_uni_tx_ba(dev, params, false);
 817                 break;
 818         case IEEE80211_AMPDU_TX_START:
 819                 set_bit(tid, &msta->ampdu_state);
 820                 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
 821                 break;
 822         case IEEE80211_AMPDU_TX_STOP_CONT:
 823                 mtxq->aggr = false;
 824                 clear_bit(tid, &msta->ampdu_state);
 825                 mt7921_mcu_uni_tx_ba(dev, params, false);
 826                 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 827                 break;
 828         }
 829         mt7921_mutex_release(dev);
 830
 831         return ret;
 832 }
 833
 834 static int
 835 mt7921_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 836                struct ieee80211_sta *sta)
 837 {
 838         return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
 839                               IEEE80211_STA_NONE);
 840 }
 841
 842 static int
 843 mt7921_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 844                   struct ieee80211_sta *sta)
 845 {
 846         return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
 847                               IEEE80211_STA_NOTEXIST);
 848 }
 849
 850 static int
 851 mt7921_get_stats(struct ieee80211_hw *hw,
 852                  struct ieee80211_low_level_stats *stats)
 853 {
 854         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 855         struct mib_stats *mib = &phy->mib;
 856
 857         mt7921_mutex_acquire(phy->dev);
 858
 859         stats->dot11RTSSuccessCount = mib->rts_cnt;
 860         stats->dot11RTSFailureCount = mib->rts_retries_cnt;
 861         stats->dot11FCSErrorCount = mib->fcs_err_cnt;
 862         stats->dot11ACKFailureCount = mib->ack_fail_cnt;
 863
 864         memset(mib, 0, sizeof(*mib));
 865
 866         mt7921_mutex_release(phy->dev);
 867
 868         return 0;
 869 }
 870
 871 static u64
 872 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 873 {
 874         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 875         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 876         u8 omac_idx = mvif->mt76.omac_idx;
 877         union {
 878                 u64 t64;
 879                 u32 t32[2];
 880         } tsf;
 881         u16 n;
 882
 883         mt7921_mutex_acquire(dev);
 884
 885         n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
 886         /* TSF software read */
 887         mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE);
 888         tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0));
 889         tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0));
 890
 891         mt7921_mutex_release(dev);
 892
 893         return tsf.t64;
 894 }
 895
 896 static void
 897 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 898                u64 timestamp)
 899 {
 900         struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
 901         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 902         u8 omac_idx = mvif->mt76.omac_idx;
 903         union {
 904                 u64 t64;
 905                 u32 t32[2];
 906         } tsf = { .t64 = timestamp, };
 907         u16 n;
 908
 909         mt7921_mutex_acquire(dev);
 910
 911         n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx;
 912         mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]);
 913         mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]);
 914         /* TSF software overwrite */
 915         mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE);
 916
 917         mt7921_mutex_release(dev);
 918 }
 919
 920 static void
 921 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
 922 {
 923         struct mt7921_phy *phy = mt7921_hw_phy(hw);
 924         struct mt7921_dev *dev = phy->dev;
 925
 926         mt7921_mutex_acquire(dev);
 927         phy->coverage_class = max_t(s16, coverage_class, 0);
 928         mt7921_mac_set_timing(phy);
 929         mt7921_mutex_release(dev);
 930 }
 931
 932 void mt7921_scan_work(struct work_struct *work)
 933 {
 934         struct mt7921_phy *phy;
 935
 936         phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy,
 937                                                 scan_work.work);
 938
 939         while (true) {
 940                 struct mt7921_mcu_rxd *rxd;
 941                 struct sk_buff *skb;
 942
 943                 spin_lock_bh(&phy->dev->mt76.lock);
 944                 skb = __skb_dequeue(&phy->scan_event_list);
 945                 spin_unlock_bh(&phy->dev->mt76.lock);
 946
 947                 if (!skb)
 948                         break;
 949
 950                 rxd = (struct mt7921_mcu_rxd *)skb->data;
 951                 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
 952                         ieee80211_sched_scan_results(phy->mt76->hw);
 953                 } else if (test_and_clear_bit(MT76_HW_SCANNING,
 954                                               &phy->mt76->state)) {
 955                         struct cfg80211_scan_info info = {
 956                                 .aborted = false,
 957                         };
 958
 959                         ieee80211_scan_completed(phy->mt76->hw, &info);
 960                 }
 961                 dev_kfree_skb(skb);
 962         }
 963 }
 964
 965 static int
 966 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 967                struct ieee80211_scan_request *req)
 968 {
 969         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 970         struct mt76_phy *mphy = hw->priv;
 971         int err;
 972
 973         mt7921_mutex_acquire(dev);
 974         err = mt76_connac_mcu_hw_scan(mphy, vif, req);
 975         mt7921_mutex_release(dev);
 976
 977         return err;
 978 }
 979
 980 static void
 981 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 982 {
 983         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 984         struct mt76_phy *mphy = hw->priv;
 985
 986         mt7921_mutex_acquire(dev);
 987         mt76_connac_mcu_cancel_hw_scan(mphy, vif);
 988         mt7921_mutex_release(dev);
 989 }
 990
 991 static int
 992 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 993                         struct cfg80211_sched_scan_request *req,
 994                         struct ieee80211_scan_ies *ies)
 995 {
 996         struct mt7921_dev *dev = mt7921_hw_dev(hw);
 997         struct mt76_phy *mphy = hw->priv;
 998         int err;
 999
1000         mt7921_mutex_acquire(dev);
1001
1002         err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1003         if (err < 0)
1004                 goto out;
1005
1006         err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1007 out:
1008         mt7921_mutex_release(dev);
1009
1010         return err;
1011 }
1012
1013 static int
1014 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1015 {
1016         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1017         struct mt76_phy *mphy = hw->priv;
1018         int err;
1019
1020         mt7921_mutex_acquire(dev);
1021         err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1022         mt7921_mutex_release(dev);
1023
1024         return err;
1025 }
1026
1027 static int
1028 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
1029 {
1030         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1031         struct mt7921_phy *phy = mt7921_hw_phy(hw);
1032         int max_nss = hweight8(hw->wiphy->available_antennas_tx);
1033
1034         if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
1035                 return -EINVAL;
1036
1037         if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1038                 tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1039
1040         mt7921_mutex_acquire(dev);
1041
1042         phy->mt76->antenna_mask = tx_ant;
1043         phy->mt76->chainmask = tx_ant;
1044
1045         mt76_set_stream_caps(phy->mt76, true);
1046         mt7921_set_stream_he_caps(phy);
1047
1048         mt7921_mutex_release(dev);
1049
1050         return 0;
1051 }
1052
1053 static void mt7921_sta_statistics(struct ieee80211_hw *hw,
1054                                   struct ieee80211_vif *vif,
1055                                   struct ieee80211_sta *sta,
1056                                   struct station_info *sinfo)
1057 {
1058         struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
1059         struct mt7921_sta_stats *stats = &msta->stats;
1060
1061         if (!stats->tx_rate.legacy && !stats->tx_rate.flags)
1062                 return;
1063
1064         if (stats->tx_rate.legacy) {
1065                 sinfo->txrate.legacy = stats->tx_rate.legacy;
1066         } else {
1067                 sinfo->txrate.mcs = stats->tx_rate.mcs;
1068                 sinfo->txrate.nss = stats->tx_rate.nss;
1069                 sinfo->txrate.bw = stats->tx_rate.bw;
1070                 sinfo->txrate.he_gi = stats->tx_rate.he_gi;
1071                 sinfo->txrate.he_dcm = stats->tx_rate.he_dcm;
1072                 sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc;
1073         }
1074         sinfo->txrate.flags = stats->tx_rate.flags;
1075         sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1076 }
1077
1078 #ifdef CONFIG_PM
1079 static int mt7921_suspend(struct ieee80211_hw *hw,
1080                           struct cfg80211_wowlan *wowlan)
1081 {
1082         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1083         struct mt7921_phy *phy = mt7921_hw_phy(hw);
1084         int err;
1085
1086         cancel_delayed_work_sync(&phy->scan_work);
1087         cancel_delayed_work_sync(&phy->mt76->mac_work);
1088
1089         cancel_delayed_work_sync(&dev->pm.ps_work);
1090         mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1091
1092         mt7921_mutex_acquire(dev);
1093
1094         clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1095
1096         set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1097         ieee80211_iterate_active_interfaces(hw,
1098                                             IEEE80211_IFACE_ITER_RESUME_ALL,
1099                                             mt76_connac_mcu_set_suspend_iter,
1100                                             &dev->mphy);
1101
1102         err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true);
1103
1104         mt7921_mutex_release(dev);
1105
1106         return err;
1107 }
1108
1109 static int mt7921_resume(struct ieee80211_hw *hw)
1110 {
1111         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1112         struct mt7921_phy *phy = mt7921_hw_phy(hw);
1113         int err;
1114
1115         mt7921_mutex_acquire(dev);
1116
1117         err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false);
1118         if (err < 0)
1119                 goto out;
1120
1121         set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1122         clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1123         ieee80211_iterate_active_interfaces(hw,
1124                                             IEEE80211_IFACE_ITER_RESUME_ALL,
1125                                             mt76_connac_mcu_set_suspend_iter,
1126                                             &dev->mphy);
1127
1128         ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
1129                                      MT7921_WATCHDOG_TIME);
1130 out:
1131
1132         mt7921_mutex_release(dev);
1133
1134         return err;
1135 }
1136
1137 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1138 {
1139         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1140         struct mt76_dev *mdev = &dev->mt76;
1141
1142         device_set_wakeup_enable(mdev->dev, enabled);
1143 }
1144
1145 static void mt7921_set_rekey_data(struct ieee80211_hw *hw,
1146                                   struct ieee80211_vif *vif,
1147                                   struct cfg80211_gtk_rekey_data *data)
1148 {
1149         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1150
1151         mt7921_mutex_acquire(dev);
1152         mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1153         mt7921_mutex_release(dev);
1154 }
1155 #endif /* CONFIG_PM */
1156
1157 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1158                          u32 queues, bool drop)
1159 {
1160         struct mt7921_dev *dev = mt7921_hw_dev(hw);
1161
1162         wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy),
1163                            HZ / 2);
1164 }
1165
1166 const struct ieee80211_ops mt7921_ops = {
1167         .tx = mt7921_tx,
1168         .start = mt7921_start,
1169         .stop = mt7921_stop,
1170         .add_interface = mt7921_add_interface,
1171         .remove_interface = mt7921_remove_interface,
1172         .config = mt7921_config,
1173         .conf_tx = mt7921_conf_tx,
1174         .configure_filter = mt7921_configure_filter,
1175         .bss_info_changed = mt7921_bss_info_changed,
1176         .sta_add = mt7921_sta_add,
1177         .sta_remove = mt7921_sta_remove,
1178         .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1179         .set_key = mt7921_set_key,
1180         .ampdu_action = mt7921_ampdu_action,
1181         .set_rts_threshold = mt7921_set_rts_threshold,
1182         .wake_tx_queue = mt76_wake_tx_queue,
1183         .release_buffered_frames = mt76_release_buffered_frames,
1184         .get_txpower = mt76_get_txpower,
1185         .get_stats = mt7921_get_stats,
1186         .get_tsf = mt7921_get_tsf,
1187         .set_tsf = mt7921_set_tsf,
1188         .get_survey = mt76_get_survey,
1189         .get_antenna = mt76_get_antenna,
1190         .set_antenna = mt7921_set_antenna,
1191         .set_coverage_class = mt7921_set_coverage_class,
1192         .hw_scan = mt7921_hw_scan,
1193         .cancel_hw_scan = mt7921_cancel_hw_scan,
1194         .sta_statistics = mt7921_sta_statistics,
1195         .sched_scan_start = mt7921_start_sched_scan,
1196         .sched_scan_stop = mt7921_stop_sched_scan,
1197 #ifdef CONFIG_PM
1198         .suspend = mt7921_suspend,
1199         .resume = mt7921_resume,
1200         .set_wakeup = mt7921_set_wakeup,
1201         .set_rekey_data = mt7921_set_rekey_data,
1202 #endif /* CONFIG_PM */
1203         .flush = mt7921_flush,
1204 };