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 static int 263 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 264 { 265 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 266 struct mt792x_dev *dev = mt792x_hw_dev(hw); 267 struct mt792x_phy *phy = mt792x_hw_phy(hw); 268 struct mt76_txq *mtxq; 269 int idx, ret = 0; 270 271 mt792x_mutex_acquire(dev); 272 273 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 274 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 275 ret = -ENOSPC; 276 goto out; 277 } 278 279 mvif->mt76.omac_idx = mvif->mt76.idx; 280 mvif->phy = phy; 281 mvif->mt76.band_idx = 0; 282 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 283 284 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 285 true); 286 if (ret) 287 goto out; 288 289 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 290 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 291 292 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 293 294 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 295 mvif->sta.wcid.idx = idx; 296 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 297 mvif->sta.wcid.hw_key_idx = -1; 298 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 299 mt76_wcid_init(&mvif->sta.wcid); 300 301 mt7921_mac_wtbl_update(dev, idx, 302 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 303 304 ewma_rssi_init(&mvif->rssi); 305 306 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 307 if (vif->txq) { 308 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 309 mtxq->wcid = idx; 310 } 311 312 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 313 out: 314 mt792x_mutex_release(dev); 315 316 return ret; 317 } 318 319 static void mt7921_roc_iter(void *priv, u8 *mac, 320 struct ieee80211_vif *vif) 321 { 322 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 323 struct mt792x_phy *phy = priv; 324 325 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 326 } 327 328 void mt7921_roc_work(struct work_struct *work) 329 { 330 struct mt792x_phy *phy; 331 332 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 333 roc_work); 334 335 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 336 return; 337 338 mt792x_mutex_acquire(phy->dev); 339 ieee80211_iterate_active_interfaces(phy->mt76->hw, 340 IEEE80211_IFACE_ITER_RESUME_ALL, 341 mt7921_roc_iter, phy); 342 mt792x_mutex_release(phy->dev); 343 ieee80211_remain_on_channel_expired(phy->mt76->hw); 344 } 345 346 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 347 { 348 int err = 0; 349 350 del_timer_sync(&phy->roc_timer); 351 cancel_work_sync(&phy->roc_work); 352 353 mt792x_mutex_acquire(phy->dev); 354 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 355 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 356 mt792x_mutex_release(phy->dev); 357 358 return err; 359 } 360 361 static int mt7921_set_roc(struct mt792x_phy *phy, 362 struct mt792x_vif *vif, 363 struct ieee80211_channel *chan, 364 int duration, 365 enum mt7921_roc_req type) 366 { 367 int err; 368 369 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 370 return -EBUSY; 371 372 phy->roc_grant = false; 373 374 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 375 ++phy->roc_token_id); 376 if (err < 0) { 377 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 378 goto out; 379 } 380 381 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 382 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 383 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 384 err = -ETIMEDOUT; 385 } 386 387 out: 388 return err; 389 } 390 391 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 392 struct ieee80211_vif *vif, 393 struct ieee80211_channel *chan, 394 int duration, 395 enum ieee80211_roc_type type) 396 { 397 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 398 struct mt792x_phy *phy = mt792x_hw_phy(hw); 399 int err; 400 401 mt792x_mutex_acquire(phy->dev); 402 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 403 mt792x_mutex_release(phy->dev); 404 405 return err; 406 } 407 408 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 409 struct ieee80211_vif *vif) 410 { 411 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 412 struct mt792x_phy *phy = mt792x_hw_phy(hw); 413 414 return mt7921_abort_roc(phy, mvif); 415 } 416 417 static int mt7921_set_channel(struct mt792x_phy *phy) 418 { 419 struct mt792x_dev *dev = phy->dev; 420 int ret; 421 422 cancel_delayed_work_sync(&phy->mt76->mac_work); 423 424 mt792x_mutex_acquire(dev); 425 set_bit(MT76_RESET, &phy->mt76->state); 426 427 mt76_set_channel(phy->mt76); 428 429 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 430 if (ret) 431 goto out; 432 433 mt792x_mac_set_timeing(phy); 434 435 mt792x_mac_reset_counters(phy); 436 phy->noise = 0; 437 438 out: 439 clear_bit(MT76_RESET, &phy->mt76->state); 440 mt792x_mutex_release(dev); 441 442 mt76_worker_schedule(&dev->mt76.tx_worker); 443 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 444 MT792x_WATCHDOG_TIME); 445 446 return ret; 447 } 448 449 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 450 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 451 struct ieee80211_key_conf *key) 452 { 453 struct mt792x_dev *dev = mt792x_hw_dev(hw); 454 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 455 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 456 &mvif->sta; 457 struct mt76_wcid *wcid = &msta->wcid; 458 u8 *wcid_keyidx = &wcid->hw_key_idx; 459 int idx = key->keyidx, err = 0; 460 461 /* The hardware does not support per-STA RX GTK, fallback 462 * to software mode for these. 463 */ 464 if ((vif->type == NL80211_IFTYPE_ADHOC || 465 vif->type == NL80211_IFTYPE_MESH_POINT) && 466 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 467 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 468 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 469 return -EOPNOTSUPP; 470 471 /* fall back to sw encryption for unsupported ciphers */ 472 switch (key->cipher) { 473 case WLAN_CIPHER_SUITE_AES_CMAC: 474 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 475 wcid_keyidx = &wcid->hw_key_idx2; 476 break; 477 case WLAN_CIPHER_SUITE_WEP40: 478 case WLAN_CIPHER_SUITE_WEP104: 479 if (!mvif->wep_sta) 480 return -EOPNOTSUPP; 481 break; 482 case WLAN_CIPHER_SUITE_TKIP: 483 case WLAN_CIPHER_SUITE_CCMP: 484 case WLAN_CIPHER_SUITE_CCMP_256: 485 case WLAN_CIPHER_SUITE_GCMP: 486 case WLAN_CIPHER_SUITE_GCMP_256: 487 case WLAN_CIPHER_SUITE_SMS4: 488 break; 489 default: 490 return -EOPNOTSUPP; 491 } 492 493 mt792x_mutex_acquire(dev); 494 495 if (cmd == SET_KEY) { 496 *wcid_keyidx = idx; 497 } else { 498 if (idx == *wcid_keyidx) 499 *wcid_keyidx = -1; 500 goto out; 501 } 502 503 mt76_wcid_key_setup(&dev->mt76, wcid, key); 504 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 505 key, MCU_UNI_CMD(STA_REC_UPDATE), 506 &msta->wcid, cmd); 507 if (err) 508 goto out; 509 510 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 511 key->cipher == WLAN_CIPHER_SUITE_WEP40) 512 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 513 &mvif->wep_sta->bip, 514 key, MCU_UNI_CMD(STA_REC_UPDATE), 515 &mvif->wep_sta->wcid, cmd); 516 out: 517 mt792x_mutex_release(dev); 518 519 return err; 520 } 521 522 static void 523 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 524 { 525 struct mt792x_dev *dev = priv; 526 struct ieee80211_hw *hw = mt76_hw(dev); 527 bool pm_enable = dev->pm.enable; 528 int err; 529 530 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 531 if (err < 0) 532 return; 533 534 if (pm_enable) { 535 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 536 ieee80211_hw_set(hw, CONNECTION_MONITOR); 537 } else { 538 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 539 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 540 } 541 } 542 543 static void 544 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 545 { 546 struct mt792x_dev *dev = priv; 547 struct ieee80211_hw *hw = mt76_hw(dev); 548 struct mt76_connac_pm *pm = &dev->pm; 549 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 550 551 mt7921_mcu_set_sniffer(dev, vif, monitor); 552 pm->enable = pm->enable_user && !monitor; 553 pm->ds_enable = pm->ds_enable_user && !monitor; 554 555 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 556 557 if (monitor) 558 mt7921_mcu_set_beacon_filter(dev, vif, false); 559 } 560 561 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 562 { 563 struct ieee80211_hw *hw = mt76_hw(dev); 564 struct mt76_connac_pm *pm = &dev->pm; 565 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 566 567 pm->enable = pm->enable_user && !monitor; 568 ieee80211_iterate_active_interfaces(hw, 569 IEEE80211_IFACE_ITER_RESUME_ALL, 570 mt7921_pm_interface_iter, dev); 571 pm->ds_enable = pm->ds_enable_user && !monitor; 572 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 573 } 574 575 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 576 { 577 struct mt792x_dev *dev = mt792x_hw_dev(hw); 578 struct mt792x_phy *phy = mt792x_hw_phy(hw); 579 int ret = 0; 580 581 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 582 ieee80211_stop_queues(hw); 583 ret = mt7921_set_channel(phy); 584 if (ret) 585 return ret; 586 ieee80211_wake_queues(hw); 587 } 588 589 mt792x_mutex_acquire(dev); 590 591 if (changed & IEEE80211_CONF_CHANGE_POWER) { 592 ret = mt7921_set_tx_sar_pwr(hw, NULL); 593 if (ret) 594 goto out; 595 } 596 597 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 598 ieee80211_iterate_active_interfaces(hw, 599 IEEE80211_IFACE_ITER_RESUME_ALL, 600 mt7921_sniffer_interface_iter, dev); 601 } 602 603 out: 604 mt792x_mutex_release(dev); 605 606 return ret; 607 } 608 609 static void mt7921_configure_filter(struct ieee80211_hw *hw, 610 unsigned int changed_flags, 611 unsigned int *total_flags, 612 u64 multicast) 613 { 614 #define MT7921_FILTER_FCSFAIL BIT(2) 615 #define MT7921_FILTER_CONTROL BIT(5) 616 #define MT7921_FILTER_OTHER_BSS BIT(6) 617 #define MT7921_FILTER_ENABLE BIT(31) 618 619 struct mt792x_dev *dev = mt792x_hw_dev(hw); 620 u32 flags = MT7921_FILTER_ENABLE; 621 622 #define MT7921_FILTER(_fif, _type) do { \ 623 if (*total_flags & (_fif)) \ 624 flags |= MT7921_FILTER_##_type; \ 625 } while (0) 626 627 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 628 MT7921_FILTER(FIF_CONTROL, CONTROL); 629 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 630 631 mt792x_mutex_acquire(dev); 632 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 633 mt792x_mutex_release(dev); 634 635 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 636 } 637 638 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 639 struct ieee80211_vif *vif, 640 struct ieee80211_bss_conf *info, 641 u64 changed) 642 { 643 struct mt792x_phy *phy = mt792x_hw_phy(hw); 644 struct mt792x_dev *dev = mt792x_hw_dev(hw); 645 646 mt792x_mutex_acquire(dev); 647 648 if (changed & BSS_CHANGED_ERP_SLOT) { 649 int slottime = info->use_short_slot ? 9 : 20; 650 651 if (slottime != phy->slottime) { 652 phy->slottime = slottime; 653 mt792x_mac_set_timeing(phy); 654 } 655 } 656 657 if (changed & (BSS_CHANGED_BEACON | 658 BSS_CHANGED_BEACON_ENABLED)) 659 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 660 info->enable_beacon); 661 662 /* ensure that enable txcmd_mode after bss_info */ 663 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 664 mt7921_mcu_set_tx(dev, vif); 665 666 if (changed & BSS_CHANGED_PS) 667 mt7921_mcu_uni_bss_ps(dev, vif); 668 669 if (changed & BSS_CHANGED_ASSOC) { 670 mt7921_mcu_sta_update(dev, NULL, vif, true, 671 MT76_STA_INFO_STATE_ASSOC); 672 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 673 } 674 675 if (changed & BSS_CHANGED_ARP_FILTER) { 676 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 677 678 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 679 info); 680 } 681 682 mt792x_mutex_release(dev); 683 } 684 685 static void 686 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif) 687 { 688 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 689 struct mt792x_phy *phy = mvif->phy; 690 struct mt792x_dev *dev = phy->dev; 691 692 if (hweight64(dev->mt76.vif_mask) > 1) { 693 phy->power_type = MT_AP_DEFAULT; 694 goto out; 695 } 696 697 switch (vif->bss_conf.power_type) { 698 case IEEE80211_REG_SP_AP: 699 phy->power_type = MT_AP_SP; 700 break; 701 case IEEE80211_REG_VLP_AP: 702 phy->power_type = MT_AP_VLP; 703 break; 704 case IEEE80211_REG_LPI_AP: 705 phy->power_type = MT_AP_LPI; 706 break; 707 case IEEE80211_REG_UNSET_AP: 708 default: 709 phy->power_type = MT_AP_DEFAULT; 710 break; 711 } 712 713 out: 714 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 715 } 716 717 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 718 struct ieee80211_sta *sta) 719 { 720 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 721 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 722 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 723 int ret, idx; 724 725 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 726 if (idx < 0) 727 return -ENOSPC; 728 729 INIT_LIST_HEAD(&msta->wcid.poll_list); 730 msta->vif = mvif; 731 msta->wcid.sta = 1; 732 msta->wcid.idx = idx; 733 msta->wcid.phy_idx = mvif->mt76.band_idx; 734 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 735 msta->last_txs = jiffies; 736 737 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 738 if (ret) 739 return ret; 740 741 if (vif->type == NL80211_IFTYPE_STATION) 742 mvif->wep_sta = msta; 743 744 mt7921_mac_wtbl_update(dev, idx, 745 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 746 747 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 748 MT76_STA_INFO_STATE_NONE); 749 if (ret) 750 return ret; 751 752 mt7921_regd_set_6ghz_power_type(vif); 753 754 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 755 756 return 0; 757 } 758 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 759 760 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 761 struct ieee80211_sta *sta) 762 { 763 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 764 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 765 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 766 767 mt792x_mutex_acquire(dev); 768 769 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 770 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 771 true, mvif->mt76.ctx); 772 773 ewma_avg_signal_init(&msta->avg_ack_signal); 774 775 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 776 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 777 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 778 779 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 780 781 mt792x_mutex_release(dev); 782 } 783 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 784 785 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 786 struct ieee80211_sta *sta) 787 { 788 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 789 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 790 791 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 792 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 793 794 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 795 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 796 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 797 798 if (vif->type == NL80211_IFTYPE_STATION) { 799 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 800 801 mvif->wep_sta = NULL; 802 ewma_rssi_init(&mvif->rssi); 803 if (!sta->tdls) 804 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 805 &mvif->sta.wcid, false, 806 mvif->mt76.ctx); 807 } 808 809 spin_lock_bh(&dev->mt76.sta_poll_lock); 810 if (!list_empty(&msta->wcid.poll_list)) 811 list_del_init(&msta->wcid.poll_list); 812 spin_unlock_bh(&dev->mt76.sta_poll_lock); 813 814 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 815 } 816 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 817 818 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 819 { 820 struct mt792x_dev *dev = mt792x_hw_dev(hw); 821 822 mt792x_mutex_acquire(dev); 823 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 824 mt792x_mutex_release(dev); 825 826 return 0; 827 } 828 829 static int 830 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 831 struct ieee80211_ampdu_params *params) 832 { 833 enum ieee80211_ampdu_mlme_action action = params->action; 834 struct mt792x_dev *dev = mt792x_hw_dev(hw); 835 struct ieee80211_sta *sta = params->sta; 836 struct ieee80211_txq *txq = sta->txq[params->tid]; 837 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 838 u16 tid = params->tid; 839 u16 ssn = params->ssn; 840 struct mt76_txq *mtxq; 841 int ret = 0; 842 843 if (!txq) 844 return -EINVAL; 845 846 mtxq = (struct mt76_txq *)txq->drv_priv; 847 848 mt792x_mutex_acquire(dev); 849 switch (action) { 850 case IEEE80211_AMPDU_RX_START: 851 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 852 params->buf_size); 853 mt7921_mcu_uni_rx_ba(dev, params, true); 854 break; 855 case IEEE80211_AMPDU_RX_STOP: 856 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 857 mt7921_mcu_uni_rx_ba(dev, params, false); 858 break; 859 case IEEE80211_AMPDU_TX_OPERATIONAL: 860 mtxq->aggr = true; 861 mtxq->send_bar = false; 862 mt7921_mcu_uni_tx_ba(dev, params, true); 863 break; 864 case IEEE80211_AMPDU_TX_STOP_FLUSH: 865 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 866 mtxq->aggr = false; 867 clear_bit(tid, &msta->wcid.ampdu_state); 868 mt7921_mcu_uni_tx_ba(dev, params, false); 869 break; 870 case IEEE80211_AMPDU_TX_START: 871 set_bit(tid, &msta->wcid.ampdu_state); 872 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 873 break; 874 case IEEE80211_AMPDU_TX_STOP_CONT: 875 mtxq->aggr = false; 876 clear_bit(tid, &msta->wcid.ampdu_state); 877 mt7921_mcu_uni_tx_ba(dev, params, false); 878 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 879 break; 880 } 881 mt792x_mutex_release(dev); 882 883 return ret; 884 } 885 886 static int mt7921_sta_state(struct ieee80211_hw *hw, 887 struct ieee80211_vif *vif, 888 struct ieee80211_sta *sta, 889 enum ieee80211_sta_state old_state, 890 enum ieee80211_sta_state new_state) 891 { 892 struct mt792x_dev *dev = mt792x_hw_dev(hw); 893 894 if (dev->pm.ds_enable) { 895 mt792x_mutex_acquire(dev); 896 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 897 mt792x_mutex_release(dev); 898 } 899 900 return mt76_sta_state(hw, vif, sta, old_state, new_state); 901 } 902 903 void mt7921_scan_work(struct work_struct *work) 904 { 905 struct mt792x_phy *phy; 906 907 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 908 scan_work.work); 909 910 while (true) { 911 struct mt76_connac2_mcu_rxd *rxd; 912 struct sk_buff *skb; 913 914 spin_lock_bh(&phy->dev->mt76.lock); 915 skb = __skb_dequeue(&phy->scan_event_list); 916 spin_unlock_bh(&phy->dev->mt76.lock); 917 918 if (!skb) 919 break; 920 921 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 922 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 923 ieee80211_sched_scan_results(phy->mt76->hw); 924 } else if (test_and_clear_bit(MT76_HW_SCANNING, 925 &phy->mt76->state)) { 926 struct cfg80211_scan_info info = { 927 .aborted = false, 928 }; 929 930 ieee80211_scan_completed(phy->mt76->hw, &info); 931 } 932 dev_kfree_skb(skb); 933 } 934 } 935 936 static int 937 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 938 struct ieee80211_scan_request *req) 939 { 940 struct mt792x_dev *dev = mt792x_hw_dev(hw); 941 struct mt76_phy *mphy = hw->priv; 942 int err; 943 944 mt792x_mutex_acquire(dev); 945 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 946 mt792x_mutex_release(dev); 947 948 return err; 949 } 950 951 static void 952 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 953 { 954 struct mt792x_dev *dev = mt792x_hw_dev(hw); 955 struct mt76_phy *mphy = hw->priv; 956 957 mt792x_mutex_acquire(dev); 958 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 959 mt792x_mutex_release(dev); 960 } 961 962 static int 963 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 964 struct cfg80211_sched_scan_request *req, 965 struct ieee80211_scan_ies *ies) 966 { 967 struct mt792x_dev *dev = mt792x_hw_dev(hw); 968 struct mt76_phy *mphy = hw->priv; 969 int err; 970 971 mt792x_mutex_acquire(dev); 972 973 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 974 if (err < 0) 975 goto out; 976 977 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 978 out: 979 mt792x_mutex_release(dev); 980 981 return err; 982 } 983 984 static int 985 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 986 { 987 struct mt792x_dev *dev = mt792x_hw_dev(hw); 988 struct mt76_phy *mphy = hw->priv; 989 int err; 990 991 mt792x_mutex_acquire(dev); 992 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 993 mt792x_mutex_release(dev); 994 995 return err; 996 } 997 998 static int 999 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1000 { 1001 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1002 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1003 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1004 1005 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1006 return -EINVAL; 1007 1008 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1009 return -EINVAL; 1010 1011 mt792x_mutex_acquire(dev); 1012 1013 phy->mt76->antenna_mask = tx_ant; 1014 phy->mt76->chainmask = tx_ant; 1015 1016 mt76_set_stream_caps(phy->mt76, true); 1017 mt7921_set_stream_he_caps(phy); 1018 1019 mt792x_mutex_release(dev); 1020 1021 return 0; 1022 } 1023 1024 #ifdef CONFIG_PM 1025 static int mt7921_suspend(struct ieee80211_hw *hw, 1026 struct cfg80211_wowlan *wowlan) 1027 { 1028 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1029 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1030 1031 cancel_delayed_work_sync(&phy->scan_work); 1032 cancel_delayed_work_sync(&phy->mt76->mac_work); 1033 1034 cancel_delayed_work_sync(&dev->pm.ps_work); 1035 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1036 1037 mt792x_mutex_acquire(dev); 1038 1039 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1040 ieee80211_iterate_active_interfaces(hw, 1041 IEEE80211_IFACE_ITER_RESUME_ALL, 1042 mt7921_mcu_set_suspend_iter, 1043 &dev->mphy); 1044 1045 mt792x_mutex_release(dev); 1046 1047 return 0; 1048 } 1049 1050 static int mt7921_resume(struct ieee80211_hw *hw) 1051 { 1052 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1053 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1054 1055 mt792x_mutex_acquire(dev); 1056 1057 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1058 ieee80211_iterate_active_interfaces(hw, 1059 IEEE80211_IFACE_ITER_RESUME_ALL, 1060 mt76_connac_mcu_set_suspend_iter, 1061 &dev->mphy); 1062 1063 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1064 MT792x_WATCHDOG_TIME); 1065 1066 mt792x_mutex_release(dev); 1067 1068 return 0; 1069 } 1070 1071 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1072 struct ieee80211_vif *vif, 1073 struct cfg80211_gtk_rekey_data *data) 1074 { 1075 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1076 1077 mt792x_mutex_acquire(dev); 1078 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1079 mt792x_mutex_release(dev); 1080 } 1081 #endif /* CONFIG_PM */ 1082 1083 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1084 struct ieee80211_vif *vif, 1085 struct ieee80211_sta *sta, 1086 bool enabled) 1087 { 1088 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1089 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1090 1091 mt792x_mutex_acquire(dev); 1092 1093 if (enabled) 1094 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1095 else 1096 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1097 1098 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1099 MCU_UNI_CMD(STA_REC_UPDATE)); 1100 1101 mt792x_mutex_release(dev); 1102 } 1103 1104 #if IS_ENABLED(CONFIG_IPV6) 1105 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1106 struct ieee80211_vif *vif, 1107 struct inet6_dev *idev) 1108 { 1109 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1110 struct mt792x_dev *dev = mvif->phy->dev; 1111 struct inet6_ifaddr *ifa; 1112 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1113 struct sk_buff *skb; 1114 u8 i, idx = 0; 1115 1116 struct { 1117 struct { 1118 u8 bss_idx; 1119 u8 pad[3]; 1120 } __packed hdr; 1121 struct mt76_connac_arpns_tlv arpns; 1122 } req_hdr = { 1123 .hdr = { 1124 .bss_idx = mvif->mt76.idx, 1125 }, 1126 .arpns = { 1127 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1128 .mode = 2, /* update */ 1129 .option = 1, /* update only */ 1130 }, 1131 }; 1132 1133 read_lock_bh(&idev->lock); 1134 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1135 if (ifa->flags & IFA_F_TENTATIVE) 1136 continue; 1137 ns_addrs[idx] = ifa->addr; 1138 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1139 break; 1140 } 1141 read_unlock_bh(&idev->lock); 1142 1143 if (!idx) 1144 return; 1145 1146 req_hdr.arpns.ips_num = idx; 1147 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1148 + idx * sizeof(struct in6_addr)); 1149 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1150 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1151 sizeof(req_hdr), GFP_ATOMIC); 1152 if (!skb) 1153 return; 1154 1155 for (i = 0; i < idx; i++) 1156 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1157 1158 skb_queue_tail(&dev->ipv6_ns_list, skb); 1159 1160 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1161 } 1162 #endif 1163 1164 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1165 const struct cfg80211_sar_specs *sar) 1166 { 1167 struct mt76_phy *mphy = hw->priv; 1168 1169 if (sar) { 1170 int err = mt76_init_sar_power(hw, sar); 1171 1172 if (err) 1173 return err; 1174 } 1175 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1176 1177 return mt76_connac_mcu_set_rate_txpower(mphy); 1178 } 1179 1180 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1181 const struct cfg80211_sar_specs *sar) 1182 { 1183 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1184 int err; 1185 1186 mt792x_mutex_acquire(dev); 1187 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1188 dev->country_ie_env); 1189 if (err < 0) 1190 goto out; 1191 1192 err = mt7921_set_tx_sar_pwr(hw, sar); 1193 out: 1194 mt792x_mutex_release(dev); 1195 1196 return err; 1197 } 1198 1199 static void 1200 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1201 struct ieee80211_vif *vif, 1202 struct cfg80211_chan_def *chandef) 1203 { 1204 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1205 1206 mt792x_mutex_acquire(dev); 1207 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1208 mt792x_mutex_release(dev); 1209 } 1210 1211 static int 1212 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1213 struct ieee80211_bss_conf *link_conf) 1214 { 1215 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1216 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1217 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1218 int err; 1219 1220 mt792x_mutex_acquire(dev); 1221 1222 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1223 true, mvif->mt76.ctx); 1224 if (err) 1225 goto out; 1226 1227 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1228 if (err) 1229 goto out; 1230 1231 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1232 MT76_STA_INFO_STATE_NONE); 1233 out: 1234 mt792x_mutex_release(dev); 1235 1236 return err; 1237 } 1238 1239 static void 1240 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1241 struct ieee80211_bss_conf *link_conf) 1242 { 1243 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1244 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1245 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1246 int err; 1247 1248 mt792x_mutex_acquire(dev); 1249 1250 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1251 if (err) 1252 goto out; 1253 1254 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1255 mvif->mt76.ctx); 1256 1257 out: 1258 mt792x_mutex_release(dev); 1259 } 1260 1261 static int 1262 mt7921_add_chanctx(struct ieee80211_hw *hw, 1263 struct ieee80211_chanctx_conf *ctx) 1264 { 1265 return 0; 1266 } 1267 1268 static void 1269 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1270 struct ieee80211_chanctx_conf *ctx) 1271 { 1272 } 1273 1274 static void mt7921_ctx_iter(void *priv, u8 *mac, 1275 struct ieee80211_vif *vif) 1276 { 1277 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1278 struct ieee80211_chanctx_conf *ctx = priv; 1279 1280 if (ctx != mvif->mt76.ctx) 1281 return; 1282 1283 if (vif->type == NL80211_IFTYPE_MONITOR) 1284 mt7921_mcu_config_sniffer(mvif, ctx); 1285 else 1286 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1287 } 1288 1289 static void 1290 mt7921_change_chanctx(struct ieee80211_hw *hw, 1291 struct ieee80211_chanctx_conf *ctx, 1292 u32 changed) 1293 { 1294 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1295 1296 mt792x_mutex_acquire(phy->dev); 1297 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1298 IEEE80211_IFACE_ITER_ACTIVE, 1299 mt7921_ctx_iter, ctx); 1300 mt792x_mutex_release(phy->dev); 1301 } 1302 1303 static void mt7921_mgd_prepare_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 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1309 u16 duration = info->duration ? info->duration : 1310 jiffies_to_msecs(HZ); 1311 1312 mt792x_mutex_acquire(dev); 1313 mt7921_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1314 MT7921_ROC_REQ_JOIN); 1315 mt792x_mutex_release(dev); 1316 } 1317 1318 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1319 struct ieee80211_vif *vif, 1320 struct ieee80211_prep_tx_info *info) 1321 { 1322 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1323 1324 mt7921_abort_roc(mvif->phy, mvif); 1325 } 1326 1327 const struct ieee80211_ops mt7921_ops = { 1328 .tx = mt792x_tx, 1329 .start = mt7921_start, 1330 .stop = mt792x_stop, 1331 .add_interface = mt7921_add_interface, 1332 .remove_interface = mt792x_remove_interface, 1333 .config = mt7921_config, 1334 .conf_tx = mt792x_conf_tx, 1335 .configure_filter = mt7921_configure_filter, 1336 .bss_info_changed = mt7921_bss_info_changed, 1337 .start_ap = mt7921_start_ap, 1338 .stop_ap = mt7921_stop_ap, 1339 .sta_state = mt7921_sta_state, 1340 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1341 .set_key = mt7921_set_key, 1342 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1343 #if IS_ENABLED(CONFIG_IPV6) 1344 .ipv6_addr_change = mt7921_ipv6_addr_change, 1345 #endif /* CONFIG_IPV6 */ 1346 .ampdu_action = mt7921_ampdu_action, 1347 .set_rts_threshold = mt7921_set_rts_threshold, 1348 .wake_tx_queue = mt76_wake_tx_queue, 1349 .release_buffered_frames = mt76_release_buffered_frames, 1350 .channel_switch_beacon = mt7921_channel_switch_beacon, 1351 .get_txpower = mt76_get_txpower, 1352 .get_stats = mt792x_get_stats, 1353 .get_et_sset_count = mt792x_get_et_sset_count, 1354 .get_et_strings = mt792x_get_et_strings, 1355 .get_et_stats = mt792x_get_et_stats, 1356 .get_tsf = mt792x_get_tsf, 1357 .set_tsf = mt792x_set_tsf, 1358 .get_survey = mt76_get_survey, 1359 .get_antenna = mt76_get_antenna, 1360 .set_antenna = mt7921_set_antenna, 1361 .set_coverage_class = mt792x_set_coverage_class, 1362 .hw_scan = mt7921_hw_scan, 1363 .cancel_hw_scan = mt7921_cancel_hw_scan, 1364 .sta_statistics = mt792x_sta_statistics, 1365 .sched_scan_start = mt7921_start_sched_scan, 1366 .sched_scan_stop = mt7921_stop_sched_scan, 1367 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1368 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1369 #ifdef CONFIG_PM 1370 .suspend = mt7921_suspend, 1371 .resume = mt7921_resume, 1372 .set_wakeup = mt792x_set_wakeup, 1373 .set_rekey_data = mt7921_set_rekey_data, 1374 #endif /* CONFIG_PM */ 1375 .flush = mt792x_flush, 1376 .set_sar_specs = mt7921_set_sar_specs, 1377 .remain_on_channel = mt7921_remain_on_channel, 1378 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1379 .add_chanctx = mt7921_add_chanctx, 1380 .remove_chanctx = mt7921_remove_chanctx, 1381 .change_chanctx = mt7921_change_chanctx, 1382 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1383 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1384 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1385 .mgd_complete_tx = mt7921_mgd_complete_tx, 1386 }; 1387 EXPORT_SYMBOL_GPL(mt7921_ops); 1388 1389 MODULE_LICENSE("Dual BSD/GPL"); 1390 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1391