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 mt792x_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 mt792x_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 _ieee80211_set_sband_iftype_data(band, data, n); 200 } 201 202 if (phy->mt76->cap.has_5ghz) { 203 data = phy->iftype[NL80211_BAND_5GHZ]; 204 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 205 206 band = &phy->mt76->sband_5g.sband; 207 _ieee80211_set_sband_iftype_data(band, data, n); 208 209 if (phy->mt76->cap.has_6ghz) { 210 data = phy->iftype[NL80211_BAND_6GHZ]; 211 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 212 213 band = &phy->mt76->sband_6g.sband; 214 _ieee80211_set_sband_iftype_data(band, data, n); 215 } 216 } 217 } 218 219 int __mt7921_start(struct mt792x_phy *phy) 220 { 221 struct mt76_phy *mphy = phy->mt76; 222 int err; 223 224 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 225 if (err) 226 return err; 227 228 err = mt76_connac_mcu_set_channel_domain(mphy); 229 if (err) 230 return err; 231 232 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 233 if (err) 234 return err; 235 236 err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 237 if (err) 238 return err; 239 240 mt792x_mac_reset_counters(phy); 241 set_bit(MT76_STATE_RUNNING, &mphy->state); 242 243 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 244 MT792x_WATCHDOG_TIME); 245 246 return 0; 247 } 248 EXPORT_SYMBOL_GPL(__mt7921_start); 249 250 static int mt7921_start(struct ieee80211_hw *hw) 251 { 252 struct mt792x_phy *phy = mt792x_hw_phy(hw); 253 int err; 254 255 mt792x_mutex_acquire(phy->dev); 256 err = __mt7921_start(phy); 257 mt792x_mutex_release(phy->dev); 258 259 return err; 260 } 261 262 void mt7921_stop(struct ieee80211_hw *hw) 263 { 264 struct mt792x_dev *dev = mt792x_hw_dev(hw); 265 struct mt792x_phy *phy = mt792x_hw_phy(hw); 266 267 cancel_delayed_work_sync(&phy->mt76->mac_work); 268 269 cancel_delayed_work_sync(&dev->pm.ps_work); 270 cancel_work_sync(&dev->pm.wake_work); 271 cancel_work_sync(&dev->reset_work); 272 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 273 274 mt792x_mutex_acquire(dev); 275 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 276 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 277 mt792x_mutex_release(dev); 278 } 279 EXPORT_SYMBOL_GPL(mt7921_stop); 280 281 static int 282 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 283 { 284 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 285 struct mt792x_dev *dev = mt792x_hw_dev(hw); 286 struct mt792x_phy *phy = mt792x_hw_phy(hw); 287 struct mt76_txq *mtxq; 288 int idx, ret = 0; 289 290 mt792x_mutex_acquire(dev); 291 292 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 293 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 294 ret = -ENOSPC; 295 goto out; 296 } 297 298 mvif->mt76.omac_idx = mvif->mt76.idx; 299 mvif->phy = phy; 300 mvif->mt76.band_idx = 0; 301 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 302 303 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 304 true); 305 if (ret) 306 goto out; 307 308 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 309 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 310 311 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 312 313 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 314 mvif->sta.wcid.idx = idx; 315 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 316 mvif->sta.wcid.hw_key_idx = -1; 317 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 318 mt76_packet_id_init(&mvif->sta.wcid); 319 320 mt7921_mac_wtbl_update(dev, idx, 321 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 322 323 ewma_rssi_init(&mvif->rssi); 324 325 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 326 if (vif->txq) { 327 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 328 mtxq->wcid = idx; 329 } 330 331 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 332 out: 333 mt792x_mutex_release(dev); 334 335 return ret; 336 } 337 338 static void mt7921_roc_iter(void *priv, u8 *mac, 339 struct ieee80211_vif *vif) 340 { 341 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 342 struct mt792x_phy *phy = priv; 343 344 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 345 } 346 347 void mt7921_roc_work(struct work_struct *work) 348 { 349 struct mt792x_phy *phy; 350 351 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 352 roc_work); 353 354 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 355 return; 356 357 mt792x_mutex_acquire(phy->dev); 358 ieee80211_iterate_active_interfaces(phy->mt76->hw, 359 IEEE80211_IFACE_ITER_RESUME_ALL, 360 mt7921_roc_iter, phy); 361 mt792x_mutex_release(phy->dev); 362 ieee80211_remain_on_channel_expired(phy->mt76->hw); 363 } 364 365 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 366 { 367 int err = 0; 368 369 del_timer_sync(&phy->roc_timer); 370 cancel_work_sync(&phy->roc_work); 371 372 mt792x_mutex_acquire(phy->dev); 373 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 374 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 375 mt792x_mutex_release(phy->dev); 376 377 return err; 378 } 379 380 static int mt7921_set_roc(struct mt792x_phy *phy, 381 struct mt792x_vif *vif, 382 struct ieee80211_channel *chan, 383 int duration, 384 enum mt7921_roc_req type) 385 { 386 int err; 387 388 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 389 return -EBUSY; 390 391 phy->roc_grant = false; 392 393 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 394 ++phy->roc_token_id); 395 if (err < 0) { 396 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 397 goto out; 398 } 399 400 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 401 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 402 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 403 err = -ETIMEDOUT; 404 } 405 406 out: 407 return err; 408 } 409 410 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 411 struct ieee80211_vif *vif, 412 struct ieee80211_channel *chan, 413 int duration, 414 enum ieee80211_roc_type type) 415 { 416 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 417 struct mt792x_phy *phy = mt792x_hw_phy(hw); 418 int err; 419 420 mt792x_mutex_acquire(phy->dev); 421 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 422 mt792x_mutex_release(phy->dev); 423 424 return err; 425 } 426 427 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 428 struct ieee80211_vif *vif) 429 { 430 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 431 struct mt792x_phy *phy = mt792x_hw_phy(hw); 432 433 return mt7921_abort_roc(phy, mvif); 434 } 435 436 static int mt7921_set_channel(struct mt792x_phy *phy) 437 { 438 struct mt792x_dev *dev = phy->dev; 439 int ret; 440 441 cancel_delayed_work_sync(&phy->mt76->mac_work); 442 443 mt792x_mutex_acquire(dev); 444 set_bit(MT76_RESET, &phy->mt76->state); 445 446 mt76_set_channel(phy->mt76); 447 448 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 449 if (ret) 450 goto out; 451 452 mt792x_mac_set_timeing(phy); 453 454 mt792x_mac_reset_counters(phy); 455 phy->noise = 0; 456 457 out: 458 clear_bit(MT76_RESET, &phy->mt76->state); 459 mt792x_mutex_release(dev); 460 461 mt76_worker_schedule(&dev->mt76.tx_worker); 462 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 463 MT792x_WATCHDOG_TIME); 464 465 return ret; 466 } 467 468 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 469 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 470 struct ieee80211_key_conf *key) 471 { 472 struct mt792x_dev *dev = mt792x_hw_dev(hw); 473 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 474 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 475 &mvif->sta; 476 struct mt76_wcid *wcid = &msta->wcid; 477 u8 *wcid_keyidx = &wcid->hw_key_idx; 478 int idx = key->keyidx, err = 0; 479 480 /* The hardware does not support per-STA RX GTK, fallback 481 * to software mode for these. 482 */ 483 if ((vif->type == NL80211_IFTYPE_ADHOC || 484 vif->type == NL80211_IFTYPE_MESH_POINT) && 485 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 486 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 487 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 488 return -EOPNOTSUPP; 489 490 /* fall back to sw encryption for unsupported ciphers */ 491 switch (key->cipher) { 492 case WLAN_CIPHER_SUITE_AES_CMAC: 493 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 494 wcid_keyidx = &wcid->hw_key_idx2; 495 break; 496 case WLAN_CIPHER_SUITE_WEP40: 497 case WLAN_CIPHER_SUITE_WEP104: 498 if (!mvif->wep_sta) 499 return -EOPNOTSUPP; 500 break; 501 case WLAN_CIPHER_SUITE_TKIP: 502 case WLAN_CIPHER_SUITE_CCMP: 503 case WLAN_CIPHER_SUITE_CCMP_256: 504 case WLAN_CIPHER_SUITE_GCMP: 505 case WLAN_CIPHER_SUITE_GCMP_256: 506 case WLAN_CIPHER_SUITE_SMS4: 507 break; 508 default: 509 return -EOPNOTSUPP; 510 } 511 512 mt792x_mutex_acquire(dev); 513 514 if (cmd == SET_KEY) { 515 *wcid_keyidx = idx; 516 } else { 517 if (idx == *wcid_keyidx) 518 *wcid_keyidx = -1; 519 goto out; 520 } 521 522 mt76_wcid_key_setup(&dev->mt76, wcid, key); 523 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 524 key, MCU_UNI_CMD(STA_REC_UPDATE), 525 &msta->wcid, cmd); 526 if (err) 527 goto out; 528 529 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 530 key->cipher == WLAN_CIPHER_SUITE_WEP40) 531 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 532 &mvif->wep_sta->bip, 533 key, MCU_UNI_CMD(STA_REC_UPDATE), 534 &mvif->wep_sta->wcid, cmd); 535 out: 536 mt792x_mutex_release(dev); 537 538 return err; 539 } 540 541 static void 542 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 543 { 544 struct mt792x_dev *dev = priv; 545 struct ieee80211_hw *hw = mt76_hw(dev); 546 bool pm_enable = dev->pm.enable; 547 int err; 548 549 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 550 if (err < 0) 551 return; 552 553 if (pm_enable) { 554 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 555 ieee80211_hw_set(hw, CONNECTION_MONITOR); 556 } else { 557 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 558 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 559 } 560 } 561 562 static void 563 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 564 { 565 struct mt792x_dev *dev = priv; 566 struct ieee80211_hw *hw = mt76_hw(dev); 567 struct mt76_connac_pm *pm = &dev->pm; 568 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 569 570 mt7921_mcu_set_sniffer(dev, vif, monitor); 571 pm->enable = pm->enable_user && !monitor; 572 pm->ds_enable = pm->ds_enable_user && !monitor; 573 574 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 575 576 if (monitor) 577 mt7921_mcu_set_beacon_filter(dev, vif, false); 578 } 579 580 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 581 { 582 struct ieee80211_hw *hw = mt76_hw(dev); 583 struct mt76_connac_pm *pm = &dev->pm; 584 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 585 586 pm->enable = pm->enable_user && !monitor; 587 ieee80211_iterate_active_interfaces(hw, 588 IEEE80211_IFACE_ITER_RESUME_ALL, 589 mt7921_pm_interface_iter, dev); 590 pm->ds_enable = pm->ds_enable_user && !monitor; 591 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 592 } 593 594 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 595 { 596 struct mt792x_dev *dev = mt792x_hw_dev(hw); 597 struct mt792x_phy *phy = mt792x_hw_phy(hw); 598 int ret = 0; 599 600 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 601 ieee80211_stop_queues(hw); 602 ret = mt7921_set_channel(phy); 603 if (ret) 604 return ret; 605 ieee80211_wake_queues(hw); 606 } 607 608 mt792x_mutex_acquire(dev); 609 610 if (changed & IEEE80211_CONF_CHANGE_POWER) { 611 ret = mt7921_set_tx_sar_pwr(hw, NULL); 612 if (ret) 613 goto out; 614 } 615 616 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 617 ieee80211_iterate_active_interfaces(hw, 618 IEEE80211_IFACE_ITER_RESUME_ALL, 619 mt7921_sniffer_interface_iter, dev); 620 } 621 622 out: 623 mt792x_mutex_release(dev); 624 625 return ret; 626 } 627 628 static void mt7921_configure_filter(struct ieee80211_hw *hw, 629 unsigned int changed_flags, 630 unsigned int *total_flags, 631 u64 multicast) 632 { 633 #define MT7921_FILTER_FCSFAIL BIT(2) 634 #define MT7921_FILTER_CONTROL BIT(5) 635 #define MT7921_FILTER_OTHER_BSS BIT(6) 636 #define MT7921_FILTER_ENABLE BIT(31) 637 638 struct mt792x_dev *dev = mt792x_hw_dev(hw); 639 u32 flags = MT7921_FILTER_ENABLE; 640 641 #define MT7921_FILTER(_fif, _type) do { \ 642 if (*total_flags & (_fif)) \ 643 flags |= MT7921_FILTER_##_type; \ 644 } while (0) 645 646 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 647 MT7921_FILTER(FIF_CONTROL, CONTROL); 648 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 649 650 mt792x_mutex_acquire(dev); 651 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 652 mt792x_mutex_release(dev); 653 654 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 655 } 656 657 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 658 struct ieee80211_vif *vif, 659 struct ieee80211_bss_conf *info, 660 u64 changed) 661 { 662 struct mt792x_phy *phy = mt792x_hw_phy(hw); 663 struct mt792x_dev *dev = mt792x_hw_dev(hw); 664 665 mt792x_mutex_acquire(dev); 666 667 if (changed & BSS_CHANGED_ERP_SLOT) { 668 int slottime = info->use_short_slot ? 9 : 20; 669 670 if (slottime != phy->slottime) { 671 phy->slottime = slottime; 672 mt792x_mac_set_timeing(phy); 673 } 674 } 675 676 if (changed & (BSS_CHANGED_BEACON | 677 BSS_CHANGED_BEACON_ENABLED)) 678 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 679 info->enable_beacon); 680 681 /* ensure that enable txcmd_mode after bss_info */ 682 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 683 mt7921_mcu_set_tx(dev, vif); 684 685 if (changed & BSS_CHANGED_PS) 686 mt7921_mcu_uni_bss_ps(dev, vif); 687 688 if (changed & BSS_CHANGED_ASSOC) { 689 mt7921_mcu_sta_update(dev, NULL, vif, true, 690 MT76_STA_INFO_STATE_ASSOC); 691 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 692 } 693 694 if (changed & BSS_CHANGED_ARP_FILTER) { 695 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 696 697 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 698 info); 699 } 700 701 mt792x_mutex_release(dev); 702 } 703 704 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 705 struct ieee80211_sta *sta) 706 { 707 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 708 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 709 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 710 int ret, idx; 711 712 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 713 if (idx < 0) 714 return -ENOSPC; 715 716 INIT_LIST_HEAD(&msta->wcid.poll_list); 717 msta->vif = mvif; 718 msta->wcid.sta = 1; 719 msta->wcid.idx = idx; 720 msta->wcid.phy_idx = mvif->mt76.band_idx; 721 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 722 msta->last_txs = jiffies; 723 724 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 725 if (ret) 726 return ret; 727 728 if (vif->type == NL80211_IFTYPE_STATION) 729 mvif->wep_sta = msta; 730 731 mt7921_mac_wtbl_update(dev, idx, 732 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 733 734 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 735 MT76_STA_INFO_STATE_NONE); 736 if (ret) 737 return ret; 738 739 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 740 741 return 0; 742 } 743 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 744 745 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 746 struct ieee80211_sta *sta) 747 { 748 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 749 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 750 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 751 752 mt792x_mutex_acquire(dev); 753 754 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 755 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 756 true, mvif->ctx); 757 758 ewma_avg_signal_init(&msta->avg_ack_signal); 759 760 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 761 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 762 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 763 764 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 765 766 mt792x_mutex_release(dev); 767 } 768 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 769 770 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 771 struct ieee80211_sta *sta) 772 { 773 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 774 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 775 776 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 777 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 778 779 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 780 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 781 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 782 783 if (vif->type == NL80211_IFTYPE_STATION) { 784 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 785 786 mvif->wep_sta = NULL; 787 ewma_rssi_init(&mvif->rssi); 788 if (!sta->tdls) 789 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 790 &mvif->sta.wcid, false, 791 mvif->ctx); 792 } 793 794 spin_lock_bh(&dev->mt76.sta_poll_lock); 795 if (!list_empty(&msta->wcid.poll_list)) 796 list_del_init(&msta->wcid.poll_list); 797 spin_unlock_bh(&dev->mt76.sta_poll_lock); 798 799 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 800 } 801 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 802 803 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 804 { 805 struct mt792x_dev *dev = mt792x_hw_dev(hw); 806 807 mt792x_mutex_acquire(dev); 808 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 809 mt792x_mutex_release(dev); 810 811 return 0; 812 } 813 814 static int 815 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 816 struct ieee80211_ampdu_params *params) 817 { 818 enum ieee80211_ampdu_mlme_action action = params->action; 819 struct mt792x_dev *dev = mt792x_hw_dev(hw); 820 struct ieee80211_sta *sta = params->sta; 821 struct ieee80211_txq *txq = sta->txq[params->tid]; 822 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 823 u16 tid = params->tid; 824 u16 ssn = params->ssn; 825 struct mt76_txq *mtxq; 826 int ret = 0; 827 828 if (!txq) 829 return -EINVAL; 830 831 mtxq = (struct mt76_txq *)txq->drv_priv; 832 833 mt792x_mutex_acquire(dev); 834 switch (action) { 835 case IEEE80211_AMPDU_RX_START: 836 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 837 params->buf_size); 838 mt7921_mcu_uni_rx_ba(dev, params, true); 839 break; 840 case IEEE80211_AMPDU_RX_STOP: 841 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 842 mt7921_mcu_uni_rx_ba(dev, params, false); 843 break; 844 case IEEE80211_AMPDU_TX_OPERATIONAL: 845 mtxq->aggr = true; 846 mtxq->send_bar = false; 847 mt7921_mcu_uni_tx_ba(dev, params, true); 848 break; 849 case IEEE80211_AMPDU_TX_STOP_FLUSH: 850 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 851 mtxq->aggr = false; 852 clear_bit(tid, &msta->wcid.ampdu_state); 853 mt7921_mcu_uni_tx_ba(dev, params, false); 854 break; 855 case IEEE80211_AMPDU_TX_START: 856 set_bit(tid, &msta->wcid.ampdu_state); 857 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 858 break; 859 case IEEE80211_AMPDU_TX_STOP_CONT: 860 mtxq->aggr = false; 861 clear_bit(tid, &msta->wcid.ampdu_state); 862 mt7921_mcu_uni_tx_ba(dev, params, false); 863 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 864 break; 865 } 866 mt792x_mutex_release(dev); 867 868 return ret; 869 } 870 871 static int mt7921_sta_state(struct ieee80211_hw *hw, 872 struct ieee80211_vif *vif, 873 struct ieee80211_sta *sta, 874 enum ieee80211_sta_state old_state, 875 enum ieee80211_sta_state new_state) 876 { 877 struct mt792x_dev *dev = mt792x_hw_dev(hw); 878 879 if (dev->pm.ds_enable) { 880 mt792x_mutex_acquire(dev); 881 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 882 mt792x_mutex_release(dev); 883 } 884 885 return mt76_sta_state(hw, vif, sta, old_state, new_state); 886 } 887 888 void mt7921_scan_work(struct work_struct *work) 889 { 890 struct mt792x_phy *phy; 891 892 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 893 scan_work.work); 894 895 while (true) { 896 struct mt76_connac2_mcu_rxd *rxd; 897 struct sk_buff *skb; 898 899 spin_lock_bh(&phy->dev->mt76.lock); 900 skb = __skb_dequeue(&phy->scan_event_list); 901 spin_unlock_bh(&phy->dev->mt76.lock); 902 903 if (!skb) 904 break; 905 906 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 907 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 908 ieee80211_sched_scan_results(phy->mt76->hw); 909 } else if (test_and_clear_bit(MT76_HW_SCANNING, 910 &phy->mt76->state)) { 911 struct cfg80211_scan_info info = { 912 .aborted = false, 913 }; 914 915 ieee80211_scan_completed(phy->mt76->hw, &info); 916 } 917 dev_kfree_skb(skb); 918 } 919 } 920 921 static int 922 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 923 struct ieee80211_scan_request *req) 924 { 925 struct mt792x_dev *dev = mt792x_hw_dev(hw); 926 struct mt76_phy *mphy = hw->priv; 927 int err; 928 929 mt792x_mutex_acquire(dev); 930 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 931 mt792x_mutex_release(dev); 932 933 return err; 934 } 935 936 static void 937 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 938 { 939 struct mt792x_dev *dev = mt792x_hw_dev(hw); 940 struct mt76_phy *mphy = hw->priv; 941 942 mt792x_mutex_acquire(dev); 943 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 944 mt792x_mutex_release(dev); 945 } 946 947 static int 948 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 949 struct cfg80211_sched_scan_request *req, 950 struct ieee80211_scan_ies *ies) 951 { 952 struct mt792x_dev *dev = mt792x_hw_dev(hw); 953 struct mt76_phy *mphy = hw->priv; 954 int err; 955 956 mt792x_mutex_acquire(dev); 957 958 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 959 if (err < 0) 960 goto out; 961 962 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 963 out: 964 mt792x_mutex_release(dev); 965 966 return err; 967 } 968 969 static int 970 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 971 { 972 struct mt792x_dev *dev = mt792x_hw_dev(hw); 973 struct mt76_phy *mphy = hw->priv; 974 int err; 975 976 mt792x_mutex_acquire(dev); 977 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 978 mt792x_mutex_release(dev); 979 980 return err; 981 } 982 983 static int 984 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 985 { 986 struct mt792x_dev *dev = mt792x_hw_dev(hw); 987 struct mt792x_phy *phy = mt792x_hw_phy(hw); 988 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 989 990 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 991 return -EINVAL; 992 993 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 994 return -EINVAL; 995 996 mt792x_mutex_acquire(dev); 997 998 phy->mt76->antenna_mask = tx_ant; 999 phy->mt76->chainmask = tx_ant; 1000 1001 mt76_set_stream_caps(phy->mt76, true); 1002 mt7921_set_stream_he_caps(phy); 1003 1004 mt792x_mutex_release(dev); 1005 1006 return 0; 1007 } 1008 1009 #ifdef CONFIG_PM 1010 static int mt7921_suspend(struct ieee80211_hw *hw, 1011 struct cfg80211_wowlan *wowlan) 1012 { 1013 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1014 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1015 1016 cancel_delayed_work_sync(&phy->scan_work); 1017 cancel_delayed_work_sync(&phy->mt76->mac_work); 1018 1019 cancel_delayed_work_sync(&dev->pm.ps_work); 1020 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1021 1022 mt792x_mutex_acquire(dev); 1023 1024 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1025 ieee80211_iterate_active_interfaces(hw, 1026 IEEE80211_IFACE_ITER_RESUME_ALL, 1027 mt7921_mcu_set_suspend_iter, 1028 &dev->mphy); 1029 1030 mt792x_mutex_release(dev); 1031 1032 return 0; 1033 } 1034 1035 static int mt7921_resume(struct ieee80211_hw *hw) 1036 { 1037 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1038 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1039 1040 mt792x_mutex_acquire(dev); 1041 1042 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1043 ieee80211_iterate_active_interfaces(hw, 1044 IEEE80211_IFACE_ITER_RESUME_ALL, 1045 mt76_connac_mcu_set_suspend_iter, 1046 &dev->mphy); 1047 1048 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1049 MT792x_WATCHDOG_TIME); 1050 1051 mt792x_mutex_release(dev); 1052 1053 return 0; 1054 } 1055 1056 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1057 struct ieee80211_vif *vif, 1058 struct cfg80211_gtk_rekey_data *data) 1059 { 1060 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1061 1062 mt792x_mutex_acquire(dev); 1063 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1064 mt792x_mutex_release(dev); 1065 } 1066 #endif /* CONFIG_PM */ 1067 1068 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1069 struct ieee80211_vif *vif, 1070 struct ieee80211_sta *sta, 1071 bool enabled) 1072 { 1073 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1074 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1075 1076 mt792x_mutex_acquire(dev); 1077 1078 if (enabled) 1079 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1080 else 1081 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1082 1083 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1084 MCU_UNI_CMD(STA_REC_UPDATE)); 1085 1086 mt792x_mutex_release(dev); 1087 } 1088 1089 #if IS_ENABLED(CONFIG_IPV6) 1090 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1091 struct ieee80211_vif *vif, 1092 struct inet6_dev *idev) 1093 { 1094 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1095 struct mt792x_dev *dev = mvif->phy->dev; 1096 struct inet6_ifaddr *ifa; 1097 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1098 struct sk_buff *skb; 1099 u8 i, idx = 0; 1100 1101 struct { 1102 struct { 1103 u8 bss_idx; 1104 u8 pad[3]; 1105 } __packed hdr; 1106 struct mt76_connac_arpns_tlv arpns; 1107 } req_hdr = { 1108 .hdr = { 1109 .bss_idx = mvif->mt76.idx, 1110 }, 1111 .arpns = { 1112 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1113 .mode = 2, /* update */ 1114 .option = 1, /* update only */ 1115 }, 1116 }; 1117 1118 read_lock_bh(&idev->lock); 1119 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1120 if (ifa->flags & IFA_F_TENTATIVE) 1121 continue; 1122 ns_addrs[idx] = ifa->addr; 1123 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1124 break; 1125 } 1126 read_unlock_bh(&idev->lock); 1127 1128 if (!idx) 1129 return; 1130 1131 req_hdr.arpns.ips_num = idx; 1132 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1133 + idx * sizeof(struct in6_addr)); 1134 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1135 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1136 sizeof(req_hdr), GFP_ATOMIC); 1137 if (!skb) 1138 return; 1139 1140 for (i = 0; i < idx; i++) 1141 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1142 1143 skb_queue_tail(&dev->ipv6_ns_list, skb); 1144 1145 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1146 } 1147 #endif 1148 1149 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1150 const struct cfg80211_sar_specs *sar) 1151 { 1152 struct mt76_phy *mphy = hw->priv; 1153 1154 if (sar) { 1155 int err = mt76_init_sar_power(hw, sar); 1156 1157 if (err) 1158 return err; 1159 } 1160 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1161 1162 return mt76_connac_mcu_set_rate_txpower(mphy); 1163 } 1164 1165 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1166 const struct cfg80211_sar_specs *sar) 1167 { 1168 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1169 int err; 1170 1171 mt792x_mutex_acquire(dev); 1172 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1173 dev->country_ie_env); 1174 if (err < 0) 1175 goto out; 1176 1177 err = mt7921_set_tx_sar_pwr(hw, sar); 1178 out: 1179 mt792x_mutex_release(dev); 1180 1181 return err; 1182 } 1183 1184 static void 1185 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1186 struct ieee80211_vif *vif, 1187 struct cfg80211_chan_def *chandef) 1188 { 1189 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1190 1191 mt792x_mutex_acquire(dev); 1192 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1193 mt792x_mutex_release(dev); 1194 } 1195 1196 static int 1197 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1198 struct ieee80211_bss_conf *link_conf) 1199 { 1200 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1201 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1202 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1203 int err; 1204 1205 mt792x_mutex_acquire(dev); 1206 1207 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1208 true, mvif->ctx); 1209 if (err) 1210 goto out; 1211 1212 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1213 if (err) 1214 goto out; 1215 1216 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1217 MT76_STA_INFO_STATE_NONE); 1218 out: 1219 mt792x_mutex_release(dev); 1220 1221 return err; 1222 } 1223 1224 static void 1225 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1226 struct ieee80211_bss_conf *link_conf) 1227 { 1228 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1229 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1230 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1231 int err; 1232 1233 mt792x_mutex_acquire(dev); 1234 1235 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1236 if (err) 1237 goto out; 1238 1239 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1240 mvif->ctx); 1241 1242 out: 1243 mt792x_mutex_release(dev); 1244 } 1245 1246 static int 1247 mt7921_add_chanctx(struct ieee80211_hw *hw, 1248 struct ieee80211_chanctx_conf *ctx) 1249 { 1250 return 0; 1251 } 1252 1253 static void 1254 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1255 struct ieee80211_chanctx_conf *ctx) 1256 { 1257 } 1258 1259 static void mt7921_ctx_iter(void *priv, u8 *mac, 1260 struct ieee80211_vif *vif) 1261 { 1262 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1263 struct ieee80211_chanctx_conf *ctx = priv; 1264 1265 if (ctx != mvif->ctx) 1266 return; 1267 1268 if (vif->type == NL80211_IFTYPE_MONITOR) 1269 mt7921_mcu_config_sniffer(mvif, ctx); 1270 else 1271 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1272 } 1273 1274 static void 1275 mt7921_change_chanctx(struct ieee80211_hw *hw, 1276 struct ieee80211_chanctx_conf *ctx, 1277 u32 changed) 1278 { 1279 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1280 1281 mt792x_mutex_acquire(phy->dev); 1282 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1283 IEEE80211_IFACE_ITER_ACTIVE, 1284 mt7921_ctx_iter, ctx); 1285 mt792x_mutex_release(phy->dev); 1286 } 1287 1288 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1289 struct ieee80211_vif *vif, 1290 struct ieee80211_prep_tx_info *info) 1291 { 1292 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1293 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1294 u16 duration = info->duration ? info->duration : 1295 jiffies_to_msecs(HZ); 1296 1297 mt792x_mutex_acquire(dev); 1298 mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, 1299 MT7921_ROC_REQ_JOIN); 1300 mt792x_mutex_release(dev); 1301 } 1302 1303 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1304 struct ieee80211_vif *vif, 1305 struct ieee80211_prep_tx_info *info) 1306 { 1307 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1308 1309 mt7921_abort_roc(mvif->phy, mvif); 1310 } 1311 1312 const struct ieee80211_ops mt7921_ops = { 1313 .tx = mt792x_tx, 1314 .start = mt7921_start, 1315 .stop = mt7921_stop, 1316 .add_interface = mt7921_add_interface, 1317 .remove_interface = mt792x_remove_interface, 1318 .config = mt7921_config, 1319 .conf_tx = mt792x_conf_tx, 1320 .configure_filter = mt7921_configure_filter, 1321 .bss_info_changed = mt7921_bss_info_changed, 1322 .start_ap = mt7921_start_ap, 1323 .stop_ap = mt7921_stop_ap, 1324 .sta_state = mt7921_sta_state, 1325 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1326 .set_key = mt7921_set_key, 1327 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1328 #if IS_ENABLED(CONFIG_IPV6) 1329 .ipv6_addr_change = mt7921_ipv6_addr_change, 1330 #endif /* CONFIG_IPV6 */ 1331 .ampdu_action = mt7921_ampdu_action, 1332 .set_rts_threshold = mt7921_set_rts_threshold, 1333 .wake_tx_queue = mt76_wake_tx_queue, 1334 .release_buffered_frames = mt76_release_buffered_frames, 1335 .channel_switch_beacon = mt7921_channel_switch_beacon, 1336 .get_txpower = mt76_get_txpower, 1337 .get_stats = mt792x_get_stats, 1338 .get_et_sset_count = mt792x_get_et_sset_count, 1339 .get_et_strings = mt792x_get_et_strings, 1340 .get_et_stats = mt792x_get_et_stats, 1341 .get_tsf = mt792x_get_tsf, 1342 .set_tsf = mt792x_set_tsf, 1343 .get_survey = mt76_get_survey, 1344 .get_antenna = mt76_get_antenna, 1345 .set_antenna = mt7921_set_antenna, 1346 .set_coverage_class = mt792x_set_coverage_class, 1347 .hw_scan = mt7921_hw_scan, 1348 .cancel_hw_scan = mt7921_cancel_hw_scan, 1349 .sta_statistics = mt792x_sta_statistics, 1350 .sched_scan_start = mt7921_start_sched_scan, 1351 .sched_scan_stop = mt7921_stop_sched_scan, 1352 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1353 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1354 #ifdef CONFIG_PM 1355 .suspend = mt7921_suspend, 1356 .resume = mt7921_resume, 1357 .set_wakeup = mt792x_set_wakeup, 1358 .set_rekey_data = mt7921_set_rekey_data, 1359 #endif /* CONFIG_PM */ 1360 .flush = mt792x_flush, 1361 .set_sar_specs = mt7921_set_sar_specs, 1362 .remain_on_channel = mt7921_remain_on_channel, 1363 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1364 .add_chanctx = mt7921_add_chanctx, 1365 .remove_chanctx = mt7921_remove_chanctx, 1366 .change_chanctx = mt7921_change_chanctx, 1367 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1368 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1369 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1370 .mgd_complete_tx = mt7921_mgd_complete_tx, 1371 }; 1372 EXPORT_SYMBOL_GPL(mt7921_ops); 1373 1374 MODULE_LICENSE("Dual BSD/GPL"); 1375 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1376