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 <net/ipv6.h> 9 #include "mt7921.h" 10 #include "mcu.h" 11 12 static int 13 mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, 14 struct ieee80211_sband_iftype_data *data) 15 { 16 int i, idx = 0; 17 int nss = hweight8(phy->mt76->chainmask); 18 u16 mcs_map = 0; 19 20 for (i = 0; i < 8; i++) { 21 if (i < nss) 22 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 23 else 24 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 25 } 26 27 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 28 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 29 struct ieee80211_he_cap_elem *he_cap_elem = 30 &he_cap->he_cap_elem; 31 struct ieee80211_he_mcs_nss_supp *he_mcs = 32 &he_cap->he_mcs_nss_supp; 33 34 switch (i) { 35 case NL80211_IFTYPE_STATION: 36 case NL80211_IFTYPE_AP: 37 break; 38 default: 39 continue; 40 } 41 42 data[idx].types_mask = BIT(i); 43 he_cap->has_he = true; 44 45 he_cap_elem->mac_cap_info[0] = 46 IEEE80211_HE_MAC_CAP0_HTC_HE; 47 he_cap_elem->mac_cap_info[3] = 48 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 49 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 50 he_cap_elem->mac_cap_info[4] = 51 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 52 53 if (band == NL80211_BAND_2GHZ) 54 he_cap_elem->phy_cap_info[0] = 55 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 56 else 57 he_cap_elem->phy_cap_info[0] = 58 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; 59 60 he_cap_elem->phy_cap_info[1] = 61 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 62 he_cap_elem->phy_cap_info[2] = 63 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 64 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 65 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 66 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 67 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 68 69 switch (i) { 70 case NL80211_IFTYPE_AP: 71 he_cap_elem->mac_cap_info[2] |= 72 IEEE80211_HE_MAC_CAP2_BSR; 73 he_cap_elem->mac_cap_info[4] |= 74 IEEE80211_HE_MAC_CAP4_BQR; 75 he_cap_elem->mac_cap_info[5] |= 76 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 77 he_cap_elem->phy_cap_info[3] |= 78 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 79 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 80 he_cap_elem->phy_cap_info[6] |= 81 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 82 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 83 he_cap_elem->phy_cap_info[9] |= 84 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 85 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 86 break; 87 case NL80211_IFTYPE_STATION: 88 he_cap_elem->mac_cap_info[1] |= 89 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 90 91 if (band == NL80211_BAND_2GHZ) 92 he_cap_elem->phy_cap_info[0] |= 93 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 94 else 95 he_cap_elem->phy_cap_info[0] |= 96 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 97 98 he_cap_elem->phy_cap_info[1] |= 99 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 100 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 101 he_cap_elem->phy_cap_info[3] |= 102 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 103 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 104 he_cap_elem->phy_cap_info[4] |= 105 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 106 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 107 he_cap_elem->phy_cap_info[5] |= 108 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 109 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 110 he_cap_elem->phy_cap_info[6] |= 111 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 112 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 113 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 114 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 115 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 116 he_cap_elem->phy_cap_info[7] |= 117 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 118 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 119 he_cap_elem->phy_cap_info[8] |= 120 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 121 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 122 he_cap_elem->phy_cap_info[9] |= 123 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 124 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 125 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 126 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 127 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 128 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 129 130 if (is_mt7922(phy->mt76->dev)) { 131 he_cap_elem->phy_cap_info[0] |= 132 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 133 he_cap_elem->phy_cap_info[8] |= 134 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 135 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 136 } 137 break; 138 } 139 140 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 141 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 142 if (is_mt7922(phy->mt76->dev)) { 143 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 144 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 145 } 146 147 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 148 if (he_cap_elem->phy_cap_info[6] & 149 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 150 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss); 151 } else { 152 he_cap_elem->phy_cap_info[9] |= 153 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 154 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 155 } 156 157 if (band == NL80211_BAND_6GHZ) { 158 struct ieee80211_supported_band *sband = 159 &phy->mt76->sband_5g.sband; 160 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 161 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 162 u32 exp; 163 u16 cap; 164 165 cap = u16_encode_bits(ht_cap->ampdu_density, 166 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 167 exp = u32_get_bits(vht_cap->cap, 168 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 169 cap |= u16_encode_bits(exp, 170 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 171 exp = u32_get_bits(vht_cap->cap, 172 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 173 cap |= u16_encode_bits(exp, 174 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 175 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 176 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 177 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 178 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 179 180 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); 181 } 182 idx++; 183 } 184 185 return idx; 186 } 187 188 void mt7921_set_stream_he_caps(struct mt7921_phy *phy) 189 { 190 struct ieee80211_sband_iftype_data *data; 191 struct ieee80211_supported_band *band; 192 int n; 193 194 if (phy->mt76->cap.has_2ghz) { 195 data = phy->iftype[NL80211_BAND_2GHZ]; 196 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 197 198 band = &phy->mt76->sband_2g.sband; 199 band->iftype_data = data; 200 band->n_iftype_data = n; 201 } 202 203 if (phy->mt76->cap.has_5ghz) { 204 data = phy->iftype[NL80211_BAND_5GHZ]; 205 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 206 207 band = &phy->mt76->sband_5g.sband; 208 band->iftype_data = data; 209 band->n_iftype_data = n; 210 211 if (phy->mt76->cap.has_6ghz) { 212 data = phy->iftype[NL80211_BAND_6GHZ]; 213 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 214 215 band = &phy->mt76->sband_6g.sband; 216 band->iftype_data = data; 217 band->n_iftype_data = n; 218 } 219 } 220 } 221 222 int __mt7921_start(struct mt7921_phy *phy) 223 { 224 struct mt76_phy *mphy = phy->mt76; 225 int err; 226 227 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 228 if (err) 229 return err; 230 231 err = mt76_connac_mcu_set_channel_domain(mphy); 232 if (err) 233 return err; 234 235 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 236 if (err) 237 return err; 238 239 err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 240 if (err) 241 return err; 242 243 mt7921_mac_reset_counters(phy); 244 set_bit(MT76_STATE_RUNNING, &mphy->state); 245 246 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 247 MT7921_WATCHDOG_TIME); 248 249 return 0; 250 } 251 EXPORT_SYMBOL_GPL(__mt7921_start); 252 253 static int mt7921_start(struct ieee80211_hw *hw) 254 { 255 struct mt7921_phy *phy = mt7921_hw_phy(hw); 256 int err; 257 258 mt7921_mutex_acquire(phy->dev); 259 err = __mt7921_start(phy); 260 mt7921_mutex_release(phy->dev); 261 262 return err; 263 } 264 265 void mt7921_stop(struct ieee80211_hw *hw) 266 { 267 struct mt7921_dev *dev = mt7921_hw_dev(hw); 268 struct mt7921_phy *phy = mt7921_hw_phy(hw); 269 270 cancel_delayed_work_sync(&phy->mt76->mac_work); 271 272 cancel_delayed_work_sync(&dev->pm.ps_work); 273 cancel_work_sync(&dev->pm.wake_work); 274 cancel_work_sync(&dev->reset_work); 275 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 276 277 mt7921_mutex_acquire(dev); 278 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 279 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 280 mt7921_mutex_release(dev); 281 } 282 EXPORT_SYMBOL_GPL(mt7921_stop); 283 284 static int mt7921_add_interface(struct ieee80211_hw *hw, 285 struct ieee80211_vif *vif) 286 { 287 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 288 struct mt7921_dev *dev = mt7921_hw_dev(hw); 289 struct mt7921_phy *phy = mt7921_hw_phy(hw); 290 struct mt76_txq *mtxq; 291 int idx, ret = 0; 292 293 mt7921_mutex_acquire(dev); 294 295 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 296 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 297 ret = -ENOSPC; 298 goto out; 299 } 300 301 mvif->mt76.omac_idx = mvif->mt76.idx; 302 mvif->phy = phy; 303 mvif->mt76.band_idx = 0; 304 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 305 306 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 307 true); 308 if (ret) 309 goto out; 310 311 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 312 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 313 314 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 315 316 INIT_LIST_HEAD(&mvif->sta.poll_list); 317 mvif->sta.wcid.idx = idx; 318 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 319 mvif->sta.wcid.hw_key_idx = -1; 320 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 321 mt76_packet_id_init(&mvif->sta.wcid); 322 323 mt7921_mac_wtbl_update(dev, idx, 324 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 325 326 ewma_rssi_init(&mvif->rssi); 327 328 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 329 if (vif->txq) { 330 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 331 mtxq->wcid = idx; 332 } 333 334 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 335 out: 336 mt7921_mutex_release(dev); 337 338 return ret; 339 } 340 341 static void mt7921_remove_interface(struct ieee80211_hw *hw, 342 struct ieee80211_vif *vif) 343 { 344 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 345 struct mt7921_sta *msta = &mvif->sta; 346 struct mt7921_dev *dev = mt7921_hw_dev(hw); 347 struct mt7921_phy *phy = mt7921_hw_phy(hw); 348 int idx = msta->wcid.idx; 349 350 mt7921_mutex_acquire(dev); 351 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 352 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 353 354 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 355 356 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 357 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 358 mt7921_mutex_release(dev); 359 360 spin_lock_bh(&dev->sta_poll_lock); 361 if (!list_empty(&msta->poll_list)) 362 list_del_init(&msta->poll_list); 363 spin_unlock_bh(&dev->sta_poll_lock); 364 365 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 366 } 367 368 static void mt7921_roc_iter(void *priv, u8 *mac, 369 struct ieee80211_vif *vif) 370 { 371 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 372 struct mt7921_phy *phy = priv; 373 374 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 375 } 376 377 void mt7921_roc_work(struct work_struct *work) 378 { 379 struct mt7921_phy *phy; 380 381 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 382 roc_work); 383 384 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 385 return; 386 387 mt7921_mutex_acquire(phy->dev); 388 ieee80211_iterate_active_interfaces(phy->mt76->hw, 389 IEEE80211_IFACE_ITER_RESUME_ALL, 390 mt7921_roc_iter, phy); 391 mt7921_mutex_release(phy->dev); 392 ieee80211_remain_on_channel_expired(phy->mt76->hw); 393 } 394 395 void mt7921_roc_timer(struct timer_list *timer) 396 { 397 struct mt7921_phy *phy = from_timer(phy, timer, roc_timer); 398 399 ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); 400 } 401 402 static int mt7921_abort_roc(struct mt7921_phy *phy, struct mt7921_vif *vif) 403 { 404 int err = 0; 405 406 del_timer_sync(&phy->roc_timer); 407 cancel_work_sync(&phy->roc_work); 408 409 mt7921_mutex_acquire(phy->dev); 410 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 411 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 412 mt7921_mutex_release(phy->dev); 413 414 return err; 415 } 416 417 static int mt7921_set_roc(struct mt7921_phy *phy, 418 struct mt7921_vif *vif, 419 struct ieee80211_channel *chan, 420 int duration, 421 enum mt7921_roc_req type) 422 { 423 int err; 424 425 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 426 return -EBUSY; 427 428 phy->roc_grant = false; 429 430 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 431 ++phy->roc_token_id); 432 if (err < 0) { 433 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 434 goto out; 435 } 436 437 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 438 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 439 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 440 err = -ETIMEDOUT; 441 } 442 443 out: 444 return err; 445 } 446 447 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 448 struct ieee80211_vif *vif, 449 struct ieee80211_channel *chan, 450 int duration, 451 enum ieee80211_roc_type type) 452 { 453 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 454 struct mt7921_phy *phy = mt7921_hw_phy(hw); 455 int err; 456 457 mt7921_mutex_acquire(phy->dev); 458 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 459 mt7921_mutex_release(phy->dev); 460 461 return err; 462 } 463 464 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 465 struct ieee80211_vif *vif) 466 { 467 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 468 struct mt7921_phy *phy = mt7921_hw_phy(hw); 469 470 return mt7921_abort_roc(phy, mvif); 471 } 472 473 static int mt7921_set_channel(struct mt7921_phy *phy) 474 { 475 struct mt7921_dev *dev = phy->dev; 476 int ret; 477 478 cancel_delayed_work_sync(&phy->mt76->mac_work); 479 480 mt7921_mutex_acquire(dev); 481 set_bit(MT76_RESET, &phy->mt76->state); 482 483 mt76_set_channel(phy->mt76); 484 485 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 486 if (ret) 487 goto out; 488 489 mt7921_mac_set_timing(phy); 490 491 mt7921_mac_reset_counters(phy); 492 phy->noise = 0; 493 494 out: 495 clear_bit(MT76_RESET, &phy->mt76->state); 496 mt7921_mutex_release(dev); 497 498 mt76_worker_schedule(&dev->mt76.tx_worker); 499 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 500 MT7921_WATCHDOG_TIME); 501 502 return ret; 503 } 504 505 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 506 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 507 struct ieee80211_key_conf *key) 508 { 509 struct mt7921_dev *dev = mt7921_hw_dev(hw); 510 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 511 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 512 &mvif->sta; 513 struct mt76_wcid *wcid = &msta->wcid; 514 u8 *wcid_keyidx = &wcid->hw_key_idx; 515 int idx = key->keyidx, err = 0; 516 517 /* The hardware does not support per-STA RX GTK, fallback 518 * to software mode for these. 519 */ 520 if ((vif->type == NL80211_IFTYPE_ADHOC || 521 vif->type == NL80211_IFTYPE_MESH_POINT) && 522 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 523 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 524 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 525 return -EOPNOTSUPP; 526 527 /* fall back to sw encryption for unsupported ciphers */ 528 switch (key->cipher) { 529 case WLAN_CIPHER_SUITE_AES_CMAC: 530 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 531 wcid_keyidx = &wcid->hw_key_idx2; 532 break; 533 case WLAN_CIPHER_SUITE_WEP40: 534 case WLAN_CIPHER_SUITE_WEP104: 535 if (!mvif->wep_sta) 536 return -EOPNOTSUPP; 537 break; 538 case WLAN_CIPHER_SUITE_TKIP: 539 case WLAN_CIPHER_SUITE_CCMP: 540 case WLAN_CIPHER_SUITE_CCMP_256: 541 case WLAN_CIPHER_SUITE_GCMP: 542 case WLAN_CIPHER_SUITE_GCMP_256: 543 case WLAN_CIPHER_SUITE_SMS4: 544 break; 545 default: 546 return -EOPNOTSUPP; 547 } 548 549 mt7921_mutex_acquire(dev); 550 551 if (cmd == SET_KEY) { 552 *wcid_keyidx = idx; 553 } else { 554 if (idx == *wcid_keyidx) 555 *wcid_keyidx = -1; 556 goto out; 557 } 558 559 mt76_wcid_key_setup(&dev->mt76, wcid, key); 560 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 561 key, MCU_UNI_CMD(STA_REC_UPDATE), 562 &msta->wcid, cmd); 563 if (err) 564 goto out; 565 566 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 567 key->cipher == WLAN_CIPHER_SUITE_WEP40) 568 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 569 &mvif->wep_sta->bip, 570 key, MCU_UNI_CMD(STA_REC_UPDATE), 571 &mvif->wep_sta->wcid, cmd); 572 out: 573 mt7921_mutex_release(dev); 574 575 return err; 576 } 577 578 static void 579 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 580 { 581 struct mt7921_dev *dev = priv; 582 struct ieee80211_hw *hw = mt76_hw(dev); 583 bool pm_enable = dev->pm.enable; 584 int err; 585 586 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 587 if (err < 0) 588 return; 589 590 if (pm_enable) { 591 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 592 ieee80211_hw_set(hw, CONNECTION_MONITOR); 593 } else { 594 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 595 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 596 } 597 } 598 599 static void 600 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 601 { 602 struct mt7921_dev *dev = priv; 603 struct ieee80211_hw *hw = mt76_hw(dev); 604 struct mt76_connac_pm *pm = &dev->pm; 605 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 606 607 mt7921_mcu_set_sniffer(dev, vif, monitor); 608 pm->enable = pm->enable_user && !monitor; 609 pm->ds_enable = pm->ds_enable_user && !monitor; 610 611 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 612 613 if (monitor) 614 mt7921_mcu_set_beacon_filter(dev, vif, false); 615 } 616 617 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 618 { 619 struct ieee80211_hw *hw = mt76_hw(dev); 620 struct mt76_connac_pm *pm = &dev->pm; 621 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 622 623 pm->enable = pm->enable_user && !monitor; 624 ieee80211_iterate_active_interfaces(hw, 625 IEEE80211_IFACE_ITER_RESUME_ALL, 626 mt7921_pm_interface_iter, dev); 627 pm->ds_enable = pm->ds_enable_user && !monitor; 628 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 629 } 630 631 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 632 { 633 struct mt7921_dev *dev = mt7921_hw_dev(hw); 634 struct mt7921_phy *phy = mt7921_hw_phy(hw); 635 int ret = 0; 636 637 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 638 ieee80211_stop_queues(hw); 639 ret = mt7921_set_channel(phy); 640 if (ret) 641 return ret; 642 ieee80211_wake_queues(hw); 643 } 644 645 mt7921_mutex_acquire(dev); 646 647 if (changed & IEEE80211_CONF_CHANGE_POWER) { 648 ret = mt7921_set_tx_sar_pwr(hw, NULL); 649 if (ret) 650 goto out; 651 } 652 653 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 654 ieee80211_iterate_active_interfaces(hw, 655 IEEE80211_IFACE_ITER_RESUME_ALL, 656 mt7921_sniffer_interface_iter, dev); 657 } 658 659 out: 660 mt7921_mutex_release(dev); 661 662 return ret; 663 } 664 665 static int 666 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 667 unsigned int link_id, u16 queue, 668 const struct ieee80211_tx_queue_params *params) 669 { 670 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 671 672 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 673 queue = mt76_connac_lmac_mapping(queue); 674 mvif->queue_params[queue] = *params; 675 676 return 0; 677 } 678 679 static void mt7921_configure_filter(struct ieee80211_hw *hw, 680 unsigned int changed_flags, 681 unsigned int *total_flags, 682 u64 multicast) 683 { 684 #define MT7921_FILTER_FCSFAIL BIT(2) 685 #define MT7921_FILTER_CONTROL BIT(5) 686 #define MT7921_FILTER_OTHER_BSS BIT(6) 687 #define MT7921_FILTER_ENABLE BIT(31) 688 689 struct mt7921_dev *dev = mt7921_hw_dev(hw); 690 u32 flags = MT7921_FILTER_ENABLE; 691 692 #define MT7921_FILTER(_fif, _type) do { \ 693 if (*total_flags & (_fif)) \ 694 flags |= MT7921_FILTER_##_type; \ 695 } while (0) 696 697 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 698 MT7921_FILTER(FIF_CONTROL, CONTROL); 699 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 700 701 mt7921_mutex_acquire(dev); 702 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 703 mt7921_mutex_release(dev); 704 705 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 706 } 707 708 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 709 struct ieee80211_vif *vif, 710 struct ieee80211_bss_conf *info, 711 u64 changed) 712 { 713 struct mt7921_phy *phy = mt7921_hw_phy(hw); 714 struct mt7921_dev *dev = mt7921_hw_dev(hw); 715 716 mt7921_mutex_acquire(dev); 717 718 if (changed & BSS_CHANGED_ERP_SLOT) { 719 int slottime = info->use_short_slot ? 9 : 20; 720 721 if (slottime != phy->slottime) { 722 phy->slottime = slottime; 723 mt7921_mac_set_timing(phy); 724 } 725 } 726 727 if (changed & (BSS_CHANGED_BEACON | 728 BSS_CHANGED_BEACON_ENABLED)) 729 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 730 info->enable_beacon); 731 732 /* ensure that enable txcmd_mode after bss_info */ 733 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 734 mt7921_mcu_set_tx(dev, vif); 735 736 if (changed & BSS_CHANGED_PS) 737 mt7921_mcu_uni_bss_ps(dev, vif); 738 739 if (changed & BSS_CHANGED_ASSOC) { 740 mt7921_mcu_sta_update(dev, NULL, vif, true, 741 MT76_STA_INFO_STATE_ASSOC); 742 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 743 } 744 745 if (changed & BSS_CHANGED_ARP_FILTER) { 746 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 747 748 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 749 info); 750 } 751 752 mt7921_mutex_release(dev); 753 } 754 755 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 756 struct ieee80211_sta *sta) 757 { 758 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 759 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 760 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 761 int ret, idx; 762 763 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 764 if (idx < 0) 765 return -ENOSPC; 766 767 INIT_LIST_HEAD(&msta->poll_list); 768 msta->vif = mvif; 769 msta->wcid.sta = 1; 770 msta->wcid.idx = idx; 771 msta->wcid.phy_idx = mvif->mt76.band_idx; 772 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 773 msta->last_txs = jiffies; 774 775 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 776 if (ret) 777 return ret; 778 779 if (vif->type == NL80211_IFTYPE_STATION) 780 mvif->wep_sta = msta; 781 782 mt7921_mac_wtbl_update(dev, idx, 783 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 784 785 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 786 MT76_STA_INFO_STATE_NONE); 787 if (ret) 788 return ret; 789 790 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 791 792 return 0; 793 } 794 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 795 796 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 797 struct ieee80211_sta *sta) 798 { 799 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 800 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 801 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 802 803 mt7921_mutex_acquire(dev); 804 805 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 806 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 807 true, mvif->ctx); 808 809 ewma_avg_signal_init(&msta->avg_ack_signal); 810 811 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 812 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 813 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 814 815 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 816 817 mt7921_mutex_release(dev); 818 } 819 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 820 821 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 822 struct ieee80211_sta *sta) 823 { 824 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 825 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 826 827 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 828 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 829 830 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 831 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 832 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 833 834 if (vif->type == NL80211_IFTYPE_STATION) { 835 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 836 837 mvif->wep_sta = NULL; 838 ewma_rssi_init(&mvif->rssi); 839 if (!sta->tdls) 840 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 841 &mvif->sta.wcid, false, 842 mvif->ctx); 843 } 844 845 spin_lock_bh(&dev->sta_poll_lock); 846 if (!list_empty(&msta->poll_list)) 847 list_del_init(&msta->poll_list); 848 spin_unlock_bh(&dev->sta_poll_lock); 849 850 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 851 } 852 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 853 854 void mt7921_tx_worker(struct mt76_worker *w) 855 { 856 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 857 mt76.tx_worker); 858 859 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 860 queue_work(dev->mt76.wq, &dev->pm.wake_work); 861 return; 862 } 863 864 mt76_txq_schedule_all(&dev->mphy); 865 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 866 } 867 868 static void mt7921_tx(struct ieee80211_hw *hw, 869 struct ieee80211_tx_control *control, 870 struct sk_buff *skb) 871 { 872 struct mt7921_dev *dev = mt7921_hw_dev(hw); 873 struct mt76_phy *mphy = hw->priv; 874 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 875 struct ieee80211_vif *vif = info->control.vif; 876 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 877 int qid; 878 879 if (control->sta) { 880 struct mt7921_sta *sta; 881 882 sta = (struct mt7921_sta *)control->sta->drv_priv; 883 wcid = &sta->wcid; 884 } 885 886 if (vif && !control->sta) { 887 struct mt7921_vif *mvif; 888 889 mvif = (struct mt7921_vif *)vif->drv_priv; 890 wcid = &mvif->sta.wcid; 891 } 892 893 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 894 mt76_tx(mphy, control->sta, wcid, skb); 895 mt76_connac_pm_unref(mphy, &dev->pm); 896 return; 897 } 898 899 qid = skb_get_queue_mapping(skb); 900 if (qid >= MT_TXQ_PSD) { 901 qid = IEEE80211_AC_BE; 902 skb_set_queue_mapping(skb, qid); 903 } 904 905 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 906 } 907 908 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 909 { 910 struct mt7921_dev *dev = mt7921_hw_dev(hw); 911 912 mt7921_mutex_acquire(dev); 913 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 914 mt7921_mutex_release(dev); 915 916 return 0; 917 } 918 919 static int 920 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 921 struct ieee80211_ampdu_params *params) 922 { 923 enum ieee80211_ampdu_mlme_action action = params->action; 924 struct mt7921_dev *dev = mt7921_hw_dev(hw); 925 struct ieee80211_sta *sta = params->sta; 926 struct ieee80211_txq *txq = sta->txq[params->tid]; 927 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 928 u16 tid = params->tid; 929 u16 ssn = params->ssn; 930 struct mt76_txq *mtxq; 931 int ret = 0; 932 933 if (!txq) 934 return -EINVAL; 935 936 mtxq = (struct mt76_txq *)txq->drv_priv; 937 938 mt7921_mutex_acquire(dev); 939 switch (action) { 940 case IEEE80211_AMPDU_RX_START: 941 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 942 params->buf_size); 943 mt7921_mcu_uni_rx_ba(dev, params, true); 944 break; 945 case IEEE80211_AMPDU_RX_STOP: 946 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 947 mt7921_mcu_uni_rx_ba(dev, params, false); 948 break; 949 case IEEE80211_AMPDU_TX_OPERATIONAL: 950 mtxq->aggr = true; 951 mtxq->send_bar = false; 952 mt7921_mcu_uni_tx_ba(dev, params, true); 953 break; 954 case IEEE80211_AMPDU_TX_STOP_FLUSH: 955 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 956 mtxq->aggr = false; 957 clear_bit(tid, &msta->ampdu_state); 958 mt7921_mcu_uni_tx_ba(dev, params, false); 959 break; 960 case IEEE80211_AMPDU_TX_START: 961 set_bit(tid, &msta->ampdu_state); 962 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 963 break; 964 case IEEE80211_AMPDU_TX_STOP_CONT: 965 mtxq->aggr = false; 966 clear_bit(tid, &msta->ampdu_state); 967 mt7921_mcu_uni_tx_ba(dev, params, false); 968 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 969 break; 970 } 971 mt7921_mutex_release(dev); 972 973 return ret; 974 } 975 976 static int mt7921_sta_state(struct ieee80211_hw *hw, 977 struct ieee80211_vif *vif, 978 struct ieee80211_sta *sta, 979 enum ieee80211_sta_state old_state, 980 enum ieee80211_sta_state new_state) 981 { 982 struct mt7921_dev *dev = mt7921_hw_dev(hw); 983 984 if (dev->pm.ds_enable) { 985 mt7921_mutex_acquire(dev); 986 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 987 mt7921_mutex_release(dev); 988 } 989 990 return mt76_sta_state(hw, vif, sta, old_state, new_state); 991 } 992 993 static int 994 mt7921_get_stats(struct ieee80211_hw *hw, 995 struct ieee80211_low_level_stats *stats) 996 { 997 struct mt7921_phy *phy = mt7921_hw_phy(hw); 998 struct mib_stats *mib = &phy->mib; 999 1000 mt7921_mutex_acquire(phy->dev); 1001 1002 stats->dot11RTSSuccessCount = mib->rts_cnt; 1003 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 1004 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 1005 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 1006 1007 mt7921_mutex_release(phy->dev); 1008 1009 return 0; 1010 } 1011 1012 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 1013 /* tx counters */ 1014 "tx_ampdu_cnt", 1015 "tx_mpdu_attempts", 1016 "tx_mpdu_success", 1017 "tx_pkt_ebf_cnt", 1018 "tx_pkt_ibf_cnt", 1019 "tx_ampdu_len:0-1", 1020 "tx_ampdu_len:2-10", 1021 "tx_ampdu_len:11-19", 1022 "tx_ampdu_len:20-28", 1023 "tx_ampdu_len:29-37", 1024 "tx_ampdu_len:38-46", 1025 "tx_ampdu_len:47-55", 1026 "tx_ampdu_len:56-79", 1027 "tx_ampdu_len:80-103", 1028 "tx_ampdu_len:104-127", 1029 "tx_ampdu_len:128-151", 1030 "tx_ampdu_len:152-175", 1031 "tx_ampdu_len:176-199", 1032 "tx_ampdu_len:200-223", 1033 "tx_ampdu_len:224-247", 1034 "ba_miss_count", 1035 "tx_beamformer_ppdu_iBF", 1036 "tx_beamformer_ppdu_eBF", 1037 "tx_beamformer_rx_feedback_all", 1038 "tx_beamformer_rx_feedback_he", 1039 "tx_beamformer_rx_feedback_vht", 1040 "tx_beamformer_rx_feedback_ht", 1041 "tx_msdu_pack_1", 1042 "tx_msdu_pack_2", 1043 "tx_msdu_pack_3", 1044 "tx_msdu_pack_4", 1045 "tx_msdu_pack_5", 1046 "tx_msdu_pack_6", 1047 "tx_msdu_pack_7", 1048 "tx_msdu_pack_8", 1049 /* rx counters */ 1050 "rx_mpdu_cnt", 1051 "rx_ampdu_cnt", 1052 "rx_ampdu_bytes_cnt", 1053 "rx_ba_cnt", 1054 /* per vif counters */ 1055 "v_tx_mode_cck", 1056 "v_tx_mode_ofdm", 1057 "v_tx_mode_ht", 1058 "v_tx_mode_ht_gf", 1059 "v_tx_mode_vht", 1060 "v_tx_mode_he_su", 1061 "v_tx_mode_he_ext_su", 1062 "v_tx_mode_he_tb", 1063 "v_tx_mode_he_mu", 1064 "v_tx_bw_20", 1065 "v_tx_bw_40", 1066 "v_tx_bw_80", 1067 "v_tx_bw_160", 1068 "v_tx_mcs_0", 1069 "v_tx_mcs_1", 1070 "v_tx_mcs_2", 1071 "v_tx_mcs_3", 1072 "v_tx_mcs_4", 1073 "v_tx_mcs_5", 1074 "v_tx_mcs_6", 1075 "v_tx_mcs_7", 1076 "v_tx_mcs_8", 1077 "v_tx_mcs_9", 1078 "v_tx_mcs_10", 1079 "v_tx_mcs_11", 1080 }; 1081 1082 static void 1083 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1084 u32 sset, u8 *data) 1085 { 1086 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1087 1088 if (sset != ETH_SS_STATS) 1089 return; 1090 1091 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 1092 1093 if (mt76_is_sdio(&dev->mt76)) 1094 return; 1095 1096 data += sizeof(mt7921_gstrings_stats); 1097 page_pool_ethtool_stats_get_strings(data); 1098 } 1099 1100 static int 1101 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1102 int sset) 1103 { 1104 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1105 1106 if (sset != ETH_SS_STATS) 1107 return 0; 1108 1109 if (mt76_is_sdio(&dev->mt76)) 1110 return ARRAY_SIZE(mt7921_gstrings_stats); 1111 1112 return ARRAY_SIZE(mt7921_gstrings_stats) + 1113 page_pool_ethtool_stats_get_count(); 1114 } 1115 1116 static void 1117 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1118 { 1119 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1120 struct mt76_ethtool_worker_info *wi = wi_data; 1121 1122 if (msta->vif->mt76.idx != wi->idx) 1123 return; 1124 1125 mt76_ethtool_worker(wi, &msta->wcid.stats, false); 1126 } 1127 1128 static 1129 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1130 struct ethtool_stats *stats, u64 *data) 1131 { 1132 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1133 int stats_size = ARRAY_SIZE(mt7921_gstrings_stats); 1134 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1135 struct mt7921_dev *dev = phy->dev; 1136 struct mib_stats *mib = &phy->mib; 1137 struct mt76_ethtool_worker_info wi = { 1138 .data = data, 1139 .idx = mvif->mt76.idx, 1140 }; 1141 int i, ei = 0; 1142 1143 mt7921_mutex_acquire(dev); 1144 1145 mt7921_mac_update_mib_stats(phy); 1146 1147 data[ei++] = mib->tx_ampdu_cnt; 1148 data[ei++] = mib->tx_mpdu_attempts_cnt; 1149 data[ei++] = mib->tx_mpdu_success_cnt; 1150 data[ei++] = mib->tx_pkt_ebf_cnt; 1151 data[ei++] = mib->tx_pkt_ibf_cnt; 1152 1153 /* Tx ampdu stat */ 1154 for (i = 0; i < 15; i++) 1155 data[ei++] = phy->mt76->aggr_stats[i]; 1156 1157 data[ei++] = phy->mib.ba_miss_cnt; 1158 1159 /* Tx Beamformer monitor */ 1160 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1161 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1162 1163 /* Tx Beamformer Rx feedback monitor */ 1164 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1165 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1166 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1167 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1168 1169 /* Tx amsdu info (pack-count histogram) */ 1170 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1171 data[ei++] = mib->tx_amsdu[i]; 1172 1173 /* rx counters */ 1174 data[ei++] = mib->rx_mpdu_cnt; 1175 data[ei++] = mib->rx_ampdu_cnt; 1176 data[ei++] = mib->rx_ampdu_bytes_cnt; 1177 data[ei++] = mib->rx_ba_cnt; 1178 1179 /* Add values for all stations owned by this vif */ 1180 wi.initial_stat_idx = ei; 1181 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1182 1183 mt7921_mutex_release(dev); 1184 1185 if (!wi.sta_count) 1186 return; 1187 1188 ei += wi.worker_stat_count; 1189 1190 if (!mt76_is_sdio(&dev->mt76)) { 1191 mt76_ethtool_page_pool_stats(&dev->mt76, &data[ei], &ei); 1192 stats_size += page_pool_ethtool_stats_get_count(); 1193 } 1194 1195 if (ei != stats_size) 1196 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %d", ei, stats_size); 1197 } 1198 1199 static u64 1200 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1201 { 1202 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1203 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1204 u8 omac_idx = mvif->mt76.omac_idx; 1205 union { 1206 u64 t64; 1207 u32 t32[2]; 1208 } tsf; 1209 u16 n; 1210 1211 mt7921_mutex_acquire(dev); 1212 1213 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1214 /* TSF software read */ 1215 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1216 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1217 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1218 1219 mt7921_mutex_release(dev); 1220 1221 return tsf.t64; 1222 } 1223 1224 static void 1225 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1226 u64 timestamp) 1227 { 1228 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1229 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1230 u8 omac_idx = mvif->mt76.omac_idx; 1231 union { 1232 u64 t64; 1233 u32 t32[2]; 1234 } tsf = { .t64 = timestamp, }; 1235 u16 n; 1236 1237 mt7921_mutex_acquire(dev); 1238 1239 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1240 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1241 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1242 /* TSF software overwrite */ 1243 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1244 1245 mt7921_mutex_release(dev); 1246 } 1247 1248 static void 1249 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1250 { 1251 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1252 struct mt7921_dev *dev = phy->dev; 1253 1254 mt7921_mutex_acquire(dev); 1255 phy->coverage_class = max_t(s16, coverage_class, 0); 1256 mt7921_mac_set_timing(phy); 1257 mt7921_mutex_release(dev); 1258 } 1259 1260 void mt7921_scan_work(struct work_struct *work) 1261 { 1262 struct mt7921_phy *phy; 1263 1264 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1265 scan_work.work); 1266 1267 while (true) { 1268 struct mt76_connac2_mcu_rxd *rxd; 1269 struct sk_buff *skb; 1270 1271 spin_lock_bh(&phy->dev->mt76.lock); 1272 skb = __skb_dequeue(&phy->scan_event_list); 1273 spin_unlock_bh(&phy->dev->mt76.lock); 1274 1275 if (!skb) 1276 break; 1277 1278 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 1279 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1280 ieee80211_sched_scan_results(phy->mt76->hw); 1281 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1282 &phy->mt76->state)) { 1283 struct cfg80211_scan_info info = { 1284 .aborted = false, 1285 }; 1286 1287 ieee80211_scan_completed(phy->mt76->hw, &info); 1288 } 1289 dev_kfree_skb(skb); 1290 } 1291 } 1292 1293 static int 1294 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1295 struct ieee80211_scan_request *req) 1296 { 1297 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1298 struct mt76_phy *mphy = hw->priv; 1299 int err; 1300 1301 mt7921_mutex_acquire(dev); 1302 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1303 mt7921_mutex_release(dev); 1304 1305 return err; 1306 } 1307 1308 static void 1309 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1310 { 1311 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1312 struct mt76_phy *mphy = hw->priv; 1313 1314 mt7921_mutex_acquire(dev); 1315 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1316 mt7921_mutex_release(dev); 1317 } 1318 1319 static int 1320 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1321 struct cfg80211_sched_scan_request *req, 1322 struct ieee80211_scan_ies *ies) 1323 { 1324 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1325 struct mt76_phy *mphy = hw->priv; 1326 int err; 1327 1328 mt7921_mutex_acquire(dev); 1329 1330 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1331 if (err < 0) 1332 goto out; 1333 1334 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1335 out: 1336 mt7921_mutex_release(dev); 1337 1338 return err; 1339 } 1340 1341 static int 1342 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1343 { 1344 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1345 struct mt76_phy *mphy = hw->priv; 1346 int err; 1347 1348 mt7921_mutex_acquire(dev); 1349 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1350 mt7921_mutex_release(dev); 1351 1352 return err; 1353 } 1354 1355 static int 1356 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1357 { 1358 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1359 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1360 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1361 1362 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1363 return -EINVAL; 1364 1365 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1366 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1367 1368 mt7921_mutex_acquire(dev); 1369 1370 phy->mt76->antenna_mask = tx_ant; 1371 phy->mt76->chainmask = tx_ant; 1372 1373 mt76_set_stream_caps(phy->mt76, true); 1374 mt7921_set_stream_he_caps(phy); 1375 1376 mt7921_mutex_release(dev); 1377 1378 return 0; 1379 } 1380 1381 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1382 struct ieee80211_vif *vif, 1383 struct ieee80211_sta *sta, 1384 struct station_info *sinfo) 1385 { 1386 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1387 struct rate_info *txrate = &msta->wcid.rate; 1388 1389 if (!txrate->legacy && !txrate->flags) 1390 return; 1391 1392 if (txrate->legacy) { 1393 sinfo->txrate.legacy = txrate->legacy; 1394 } else { 1395 sinfo->txrate.mcs = txrate->mcs; 1396 sinfo->txrate.nss = txrate->nss; 1397 sinfo->txrate.bw = txrate->bw; 1398 sinfo->txrate.he_gi = txrate->he_gi; 1399 sinfo->txrate.he_dcm = txrate->he_dcm; 1400 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1401 } 1402 sinfo->txrate.flags = txrate->flags; 1403 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1404 1405 sinfo->ack_signal = (s8)msta->ack_signal; 1406 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); 1407 1408 sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal); 1409 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); 1410 } 1411 1412 #ifdef CONFIG_PM 1413 static int mt7921_suspend(struct ieee80211_hw *hw, 1414 struct cfg80211_wowlan *wowlan) 1415 { 1416 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1417 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1418 1419 cancel_delayed_work_sync(&phy->scan_work); 1420 cancel_delayed_work_sync(&phy->mt76->mac_work); 1421 1422 cancel_delayed_work_sync(&dev->pm.ps_work); 1423 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1424 1425 mt7921_mutex_acquire(dev); 1426 1427 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1428 ieee80211_iterate_active_interfaces(hw, 1429 IEEE80211_IFACE_ITER_RESUME_ALL, 1430 mt7921_mcu_set_suspend_iter, 1431 &dev->mphy); 1432 1433 mt7921_mutex_release(dev); 1434 1435 return 0; 1436 } 1437 1438 static int mt7921_resume(struct ieee80211_hw *hw) 1439 { 1440 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1441 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1442 1443 mt7921_mutex_acquire(dev); 1444 1445 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1446 ieee80211_iterate_active_interfaces(hw, 1447 IEEE80211_IFACE_ITER_RESUME_ALL, 1448 mt76_connac_mcu_set_suspend_iter, 1449 &dev->mphy); 1450 1451 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1452 MT7921_WATCHDOG_TIME); 1453 1454 mt7921_mutex_release(dev); 1455 1456 return 0; 1457 } 1458 1459 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1460 { 1461 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1462 struct mt76_dev *mdev = &dev->mt76; 1463 1464 device_set_wakeup_enable(mdev->dev, enabled); 1465 } 1466 1467 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1468 struct ieee80211_vif *vif, 1469 struct cfg80211_gtk_rekey_data *data) 1470 { 1471 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1472 1473 mt7921_mutex_acquire(dev); 1474 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1475 mt7921_mutex_release(dev); 1476 } 1477 #endif /* CONFIG_PM */ 1478 1479 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1480 u32 queues, bool drop) 1481 { 1482 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1483 1484 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1485 HZ / 2); 1486 } 1487 1488 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1489 struct ieee80211_vif *vif, 1490 struct ieee80211_sta *sta, 1491 bool enabled) 1492 { 1493 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1494 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1495 1496 mt7921_mutex_acquire(dev); 1497 1498 if (enabled) 1499 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1500 else 1501 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1502 1503 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1504 MCU_UNI_CMD(STA_REC_UPDATE)); 1505 1506 mt7921_mutex_release(dev); 1507 } 1508 1509 #if IS_ENABLED(CONFIG_IPV6) 1510 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1511 struct ieee80211_vif *vif, 1512 struct inet6_dev *idev) 1513 { 1514 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1515 struct mt7921_dev *dev = mvif->phy->dev; 1516 struct inet6_ifaddr *ifa; 1517 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1518 struct sk_buff *skb; 1519 u8 i, idx = 0; 1520 1521 struct { 1522 struct { 1523 u8 bss_idx; 1524 u8 pad[3]; 1525 } __packed hdr; 1526 struct mt76_connac_arpns_tlv arpns; 1527 } req_hdr = { 1528 .hdr = { 1529 .bss_idx = mvif->mt76.idx, 1530 }, 1531 .arpns = { 1532 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1533 .mode = 2, /* update */ 1534 .option = 1, /* update only */ 1535 }, 1536 }; 1537 1538 read_lock_bh(&idev->lock); 1539 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1540 if (ifa->flags & IFA_F_TENTATIVE) 1541 continue; 1542 ns_addrs[idx] = ifa->addr; 1543 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1544 break; 1545 } 1546 read_unlock_bh(&idev->lock); 1547 1548 if (!idx) 1549 return; 1550 1551 req_hdr.arpns.ips_num = idx; 1552 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1553 + idx * sizeof(struct in6_addr)); 1554 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1555 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1556 sizeof(req_hdr), GFP_ATOMIC); 1557 if (!skb) 1558 return; 1559 1560 for (i = 0; i < idx; i++) 1561 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1562 1563 skb_queue_tail(&dev->ipv6_ns_list, skb); 1564 1565 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1566 } 1567 #endif 1568 1569 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1570 const struct cfg80211_sar_specs *sar) 1571 { 1572 struct mt76_phy *mphy = hw->priv; 1573 int err; 1574 1575 if (sar) { 1576 err = mt76_init_sar_power(hw, sar); 1577 if (err) 1578 return err; 1579 } 1580 1581 mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); 1582 1583 err = mt76_connac_mcu_set_rate_txpower(mphy); 1584 1585 return err; 1586 } 1587 1588 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1589 const struct cfg80211_sar_specs *sar) 1590 { 1591 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1592 int err; 1593 1594 mt7921_mutex_acquire(dev); 1595 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1596 dev->country_ie_env); 1597 if (err < 0) 1598 goto out; 1599 1600 err = mt7921_set_tx_sar_pwr(hw, sar); 1601 out: 1602 mt7921_mutex_release(dev); 1603 1604 return err; 1605 } 1606 1607 static void 1608 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1609 struct ieee80211_vif *vif, 1610 struct cfg80211_chan_def *chandef) 1611 { 1612 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1613 1614 mt7921_mutex_acquire(dev); 1615 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1616 mt7921_mutex_release(dev); 1617 } 1618 1619 static int 1620 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1621 struct ieee80211_bss_conf *link_conf) 1622 { 1623 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1624 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1625 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1626 int err; 1627 1628 mt7921_mutex_acquire(dev); 1629 1630 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1631 true, mvif->ctx); 1632 if (err) 1633 goto out; 1634 1635 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1636 if (err) 1637 goto out; 1638 1639 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1640 MT76_STA_INFO_STATE_NONE); 1641 out: 1642 mt7921_mutex_release(dev); 1643 1644 return err; 1645 } 1646 1647 static void 1648 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1649 struct ieee80211_bss_conf *link_conf) 1650 { 1651 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1652 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1653 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1654 int err; 1655 1656 mt7921_mutex_acquire(dev); 1657 1658 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1659 if (err) 1660 goto out; 1661 1662 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1663 mvif->ctx); 1664 1665 out: 1666 mt7921_mutex_release(dev); 1667 } 1668 1669 static int 1670 mt7921_add_chanctx(struct ieee80211_hw *hw, 1671 struct ieee80211_chanctx_conf *ctx) 1672 { 1673 return 0; 1674 } 1675 1676 static void 1677 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1678 struct ieee80211_chanctx_conf *ctx) 1679 { 1680 } 1681 1682 static void mt7921_ctx_iter(void *priv, u8 *mac, 1683 struct ieee80211_vif *vif) 1684 { 1685 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1686 struct ieee80211_chanctx_conf *ctx = priv; 1687 1688 if (ctx != mvif->ctx) 1689 return; 1690 1691 if (vif->type == NL80211_IFTYPE_MONITOR) 1692 mt7921_mcu_config_sniffer(mvif, ctx); 1693 else 1694 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1695 } 1696 1697 static void 1698 mt7921_change_chanctx(struct ieee80211_hw *hw, 1699 struct ieee80211_chanctx_conf *ctx, 1700 u32 changed) 1701 { 1702 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1703 1704 mt7921_mutex_acquire(phy->dev); 1705 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1706 IEEE80211_IFACE_ITER_ACTIVE, 1707 mt7921_ctx_iter, ctx); 1708 mt7921_mutex_release(phy->dev); 1709 } 1710 1711 static int 1712 mt7921_assign_vif_chanctx(struct ieee80211_hw *hw, 1713 struct ieee80211_vif *vif, 1714 struct ieee80211_bss_conf *link_conf, 1715 struct ieee80211_chanctx_conf *ctx) 1716 { 1717 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1718 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1719 1720 mutex_lock(&dev->mt76.mutex); 1721 mvif->ctx = ctx; 1722 mutex_unlock(&dev->mt76.mutex); 1723 1724 return 0; 1725 } 1726 1727 static void 1728 mt7921_unassign_vif_chanctx(struct ieee80211_hw *hw, 1729 struct ieee80211_vif *vif, 1730 struct ieee80211_bss_conf *link_conf, 1731 struct ieee80211_chanctx_conf *ctx) 1732 { 1733 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1734 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1735 1736 mutex_lock(&dev->mt76.mutex); 1737 mvif->ctx = NULL; 1738 mutex_unlock(&dev->mt76.mutex); 1739 } 1740 1741 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1742 struct ieee80211_vif *vif, 1743 struct ieee80211_prep_tx_info *info) 1744 { 1745 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1746 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1747 u16 duration = info->duration ? info->duration : 1748 jiffies_to_msecs(HZ); 1749 1750 mt7921_mutex_acquire(dev); 1751 mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, 1752 MT7921_ROC_REQ_JOIN); 1753 mt7921_mutex_release(dev); 1754 } 1755 1756 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1757 struct ieee80211_vif *vif, 1758 struct ieee80211_prep_tx_info *info) 1759 { 1760 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1761 1762 mt7921_abort_roc(mvif->phy, mvif); 1763 } 1764 1765 const struct ieee80211_ops mt7921_ops = { 1766 .tx = mt7921_tx, 1767 .start = mt7921_start, 1768 .stop = mt7921_stop, 1769 .add_interface = mt7921_add_interface, 1770 .remove_interface = mt7921_remove_interface, 1771 .config = mt7921_config, 1772 .conf_tx = mt7921_conf_tx, 1773 .configure_filter = mt7921_configure_filter, 1774 .bss_info_changed = mt7921_bss_info_changed, 1775 .start_ap = mt7921_start_ap, 1776 .stop_ap = mt7921_stop_ap, 1777 .sta_state = mt7921_sta_state, 1778 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1779 .set_key = mt7921_set_key, 1780 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1781 #if IS_ENABLED(CONFIG_IPV6) 1782 .ipv6_addr_change = mt7921_ipv6_addr_change, 1783 #endif /* CONFIG_IPV6 */ 1784 .ampdu_action = mt7921_ampdu_action, 1785 .set_rts_threshold = mt7921_set_rts_threshold, 1786 .wake_tx_queue = mt76_wake_tx_queue, 1787 .release_buffered_frames = mt76_release_buffered_frames, 1788 .channel_switch_beacon = mt7921_channel_switch_beacon, 1789 .get_txpower = mt76_get_txpower, 1790 .get_stats = mt7921_get_stats, 1791 .get_et_sset_count = mt7921_get_et_sset_count, 1792 .get_et_strings = mt7921_get_et_strings, 1793 .get_et_stats = mt7921_get_et_stats, 1794 .get_tsf = mt7921_get_tsf, 1795 .set_tsf = mt7921_set_tsf, 1796 .get_survey = mt76_get_survey, 1797 .get_antenna = mt76_get_antenna, 1798 .set_antenna = mt7921_set_antenna, 1799 .set_coverage_class = mt7921_set_coverage_class, 1800 .hw_scan = mt7921_hw_scan, 1801 .cancel_hw_scan = mt7921_cancel_hw_scan, 1802 .sta_statistics = mt7921_sta_statistics, 1803 .sched_scan_start = mt7921_start_sched_scan, 1804 .sched_scan_stop = mt7921_stop_sched_scan, 1805 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1806 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1807 #ifdef CONFIG_PM 1808 .suspend = mt7921_suspend, 1809 .resume = mt7921_resume, 1810 .set_wakeup = mt7921_set_wakeup, 1811 .set_rekey_data = mt7921_set_rekey_data, 1812 #endif /* CONFIG_PM */ 1813 .flush = mt7921_flush, 1814 .set_sar_specs = mt7921_set_sar_specs, 1815 .remain_on_channel = mt7921_remain_on_channel, 1816 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1817 .add_chanctx = mt7921_add_chanctx, 1818 .remove_chanctx = mt7921_remove_chanctx, 1819 .change_chanctx = mt7921_change_chanctx, 1820 .assign_vif_chanctx = mt7921_assign_vif_chanctx, 1821 .unassign_vif_chanctx = mt7921_unassign_vif_chanctx, 1822 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1823 .mgd_complete_tx = mt7921_mgd_complete_tx, 1824 }; 1825 EXPORT_SYMBOL_GPL(mt7921_ops); 1826 1827 MODULE_LICENSE("Dual BSD/GPL"); 1828 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1829