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_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 687 { 688 u32 *num = priv; 689 690 if (!priv) 691 return; 692 693 switch (vif->type) { 694 case NL80211_IFTYPE_STATION: 695 case NL80211_IFTYPE_P2P_CLIENT: 696 case NL80211_IFTYPE_AP: 697 case NL80211_IFTYPE_P2P_GO: 698 *num += 1; 699 break; 700 default: 701 break; 702 } 703 } 704 705 static void 706 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 707 { 708 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 709 struct mt792x_phy *phy = mvif->phy; 710 struct mt792x_dev *dev = phy->dev; 711 u32 valid_vif_num = 0; 712 713 ieee80211_iterate_active_interfaces(mt76_hw(dev), 714 IEEE80211_IFACE_ITER_RESUME_ALL, 715 mt7921_calc_vif_num, &valid_vif_num); 716 717 if (valid_vif_num > 1) { 718 phy->power_type = MT_AP_DEFAULT; 719 goto out; 720 } 721 722 if (!is_add) 723 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 724 725 switch (vif->bss_conf.power_type) { 726 case IEEE80211_REG_SP_AP: 727 phy->power_type = MT_AP_SP; 728 break; 729 case IEEE80211_REG_VLP_AP: 730 phy->power_type = MT_AP_VLP; 731 break; 732 case IEEE80211_REG_LPI_AP: 733 phy->power_type = MT_AP_LPI; 734 break; 735 case IEEE80211_REG_UNSET_AP: 736 phy->power_type = MT_AP_UNSET; 737 break; 738 default: 739 phy->power_type = MT_AP_DEFAULT; 740 break; 741 } 742 743 out: 744 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 745 } 746 747 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 748 struct ieee80211_sta *sta) 749 { 750 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 751 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 752 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 753 int ret, idx; 754 755 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 756 if (idx < 0) 757 return -ENOSPC; 758 759 INIT_LIST_HEAD(&msta->wcid.poll_list); 760 msta->vif = mvif; 761 msta->wcid.sta = 1; 762 msta->wcid.idx = idx; 763 msta->wcid.phy_idx = mvif->mt76.band_idx; 764 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 765 msta->last_txs = jiffies; 766 767 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 768 if (ret) 769 return ret; 770 771 if (vif->type == NL80211_IFTYPE_STATION) 772 mvif->wep_sta = msta; 773 774 mt7921_mac_wtbl_update(dev, idx, 775 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 776 777 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 778 MT76_STA_INFO_STATE_NONE); 779 if (ret) 780 return ret; 781 782 mt7921_regd_set_6ghz_power_type(vif, true); 783 784 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 785 786 return 0; 787 } 788 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 789 790 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 791 struct ieee80211_sta *sta) 792 { 793 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 794 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 795 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 796 797 mt792x_mutex_acquire(dev); 798 799 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 800 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 801 true, mvif->mt76.ctx); 802 803 ewma_avg_signal_init(&msta->avg_ack_signal); 804 805 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 806 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 807 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 808 809 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 810 811 mt792x_mutex_release(dev); 812 } 813 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 814 815 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 816 struct ieee80211_sta *sta) 817 { 818 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 819 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 820 821 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 822 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 823 824 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 825 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 826 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 827 828 if (vif->type == NL80211_IFTYPE_STATION) { 829 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 830 831 mvif->wep_sta = NULL; 832 ewma_rssi_init(&mvif->rssi); 833 if (!sta->tdls) 834 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 835 &mvif->sta.wcid, false, 836 mvif->mt76.ctx); 837 } 838 839 spin_lock_bh(&dev->mt76.sta_poll_lock); 840 if (!list_empty(&msta->wcid.poll_list)) 841 list_del_init(&msta->wcid.poll_list); 842 spin_unlock_bh(&dev->mt76.sta_poll_lock); 843 844 mt7921_regd_set_6ghz_power_type(vif, false); 845 846 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 847 } 848 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 849 850 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 851 { 852 struct mt792x_dev *dev = mt792x_hw_dev(hw); 853 854 mt792x_mutex_acquire(dev); 855 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 856 mt792x_mutex_release(dev); 857 858 return 0; 859 } 860 861 static int 862 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 863 struct ieee80211_ampdu_params *params) 864 { 865 enum ieee80211_ampdu_mlme_action action = params->action; 866 struct mt792x_dev *dev = mt792x_hw_dev(hw); 867 struct ieee80211_sta *sta = params->sta; 868 struct ieee80211_txq *txq = sta->txq[params->tid]; 869 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 870 u16 tid = params->tid; 871 u16 ssn = params->ssn; 872 struct mt76_txq *mtxq; 873 int ret = 0; 874 875 if (!txq) 876 return -EINVAL; 877 878 mtxq = (struct mt76_txq *)txq->drv_priv; 879 880 mt792x_mutex_acquire(dev); 881 switch (action) { 882 case IEEE80211_AMPDU_RX_START: 883 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 884 params->buf_size); 885 mt7921_mcu_uni_rx_ba(dev, params, true); 886 break; 887 case IEEE80211_AMPDU_RX_STOP: 888 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 889 mt7921_mcu_uni_rx_ba(dev, params, false); 890 break; 891 case IEEE80211_AMPDU_TX_OPERATIONAL: 892 mtxq->aggr = true; 893 mtxq->send_bar = false; 894 mt7921_mcu_uni_tx_ba(dev, params, true); 895 break; 896 case IEEE80211_AMPDU_TX_STOP_FLUSH: 897 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 898 mtxq->aggr = false; 899 clear_bit(tid, &msta->wcid.ampdu_state); 900 mt7921_mcu_uni_tx_ba(dev, params, false); 901 break; 902 case IEEE80211_AMPDU_TX_START: 903 set_bit(tid, &msta->wcid.ampdu_state); 904 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 905 break; 906 case IEEE80211_AMPDU_TX_STOP_CONT: 907 mtxq->aggr = false; 908 clear_bit(tid, &msta->wcid.ampdu_state); 909 mt7921_mcu_uni_tx_ba(dev, params, false); 910 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 911 break; 912 } 913 mt792x_mutex_release(dev); 914 915 return ret; 916 } 917 918 static int mt7921_sta_state(struct ieee80211_hw *hw, 919 struct ieee80211_vif *vif, 920 struct ieee80211_sta *sta, 921 enum ieee80211_sta_state old_state, 922 enum ieee80211_sta_state new_state) 923 { 924 struct mt792x_dev *dev = mt792x_hw_dev(hw); 925 926 if (dev->pm.ds_enable) { 927 mt792x_mutex_acquire(dev); 928 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 929 mt792x_mutex_release(dev); 930 } 931 932 return mt76_sta_state(hw, vif, sta, old_state, new_state); 933 } 934 935 void mt7921_scan_work(struct work_struct *work) 936 { 937 struct mt792x_phy *phy; 938 939 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 940 scan_work.work); 941 942 while (true) { 943 struct mt76_connac2_mcu_rxd *rxd; 944 struct sk_buff *skb; 945 946 spin_lock_bh(&phy->dev->mt76.lock); 947 skb = __skb_dequeue(&phy->scan_event_list); 948 spin_unlock_bh(&phy->dev->mt76.lock); 949 950 if (!skb) 951 break; 952 953 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 954 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 955 ieee80211_sched_scan_results(phy->mt76->hw); 956 } else if (test_and_clear_bit(MT76_HW_SCANNING, 957 &phy->mt76->state)) { 958 struct cfg80211_scan_info info = { 959 .aborted = false, 960 }; 961 962 ieee80211_scan_completed(phy->mt76->hw, &info); 963 } 964 dev_kfree_skb(skb); 965 } 966 } 967 968 static int 969 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 970 struct ieee80211_scan_request *req) 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_hw_scan(mphy, vif, req); 978 mt792x_mutex_release(dev); 979 980 return err; 981 } 982 983 static void 984 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 985 { 986 struct mt792x_dev *dev = mt792x_hw_dev(hw); 987 struct mt76_phy *mphy = hw->priv; 988 989 mt792x_mutex_acquire(dev); 990 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 991 mt792x_mutex_release(dev); 992 } 993 994 static int 995 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 996 struct cfg80211_sched_scan_request *req, 997 struct ieee80211_scan_ies *ies) 998 { 999 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1000 struct mt76_phy *mphy = hw->priv; 1001 int err; 1002 1003 mt792x_mutex_acquire(dev); 1004 1005 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1006 if (err < 0) 1007 goto out; 1008 1009 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1010 out: 1011 mt792x_mutex_release(dev); 1012 1013 return err; 1014 } 1015 1016 static int 1017 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1018 { 1019 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1020 struct mt76_phy *mphy = hw->priv; 1021 int err; 1022 1023 mt792x_mutex_acquire(dev); 1024 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1025 mt792x_mutex_release(dev); 1026 1027 return err; 1028 } 1029 1030 static int 1031 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1032 { 1033 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1034 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1035 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1036 1037 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1038 return -EINVAL; 1039 1040 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1041 return -EINVAL; 1042 1043 mt792x_mutex_acquire(dev); 1044 1045 phy->mt76->antenna_mask = tx_ant; 1046 phy->mt76->chainmask = tx_ant; 1047 1048 mt76_set_stream_caps(phy->mt76, true); 1049 mt7921_set_stream_he_caps(phy); 1050 1051 mt792x_mutex_release(dev); 1052 1053 return 0; 1054 } 1055 1056 #ifdef CONFIG_PM 1057 static int mt7921_suspend(struct ieee80211_hw *hw, 1058 struct cfg80211_wowlan *wowlan) 1059 { 1060 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1061 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1062 1063 cancel_delayed_work_sync(&phy->scan_work); 1064 cancel_delayed_work_sync(&phy->mt76->mac_work); 1065 1066 cancel_delayed_work_sync(&dev->pm.ps_work); 1067 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1068 1069 mt792x_mutex_acquire(dev); 1070 1071 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1072 ieee80211_iterate_active_interfaces(hw, 1073 IEEE80211_IFACE_ITER_RESUME_ALL, 1074 mt7921_mcu_set_suspend_iter, 1075 &dev->mphy); 1076 1077 mt792x_mutex_release(dev); 1078 1079 return 0; 1080 } 1081 1082 static int mt7921_resume(struct ieee80211_hw *hw) 1083 { 1084 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1085 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1086 1087 mt792x_mutex_acquire(dev); 1088 1089 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1090 ieee80211_iterate_active_interfaces(hw, 1091 IEEE80211_IFACE_ITER_RESUME_ALL, 1092 mt76_connac_mcu_set_suspend_iter, 1093 &dev->mphy); 1094 1095 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1096 MT792x_WATCHDOG_TIME); 1097 1098 mt792x_mutex_release(dev); 1099 1100 return 0; 1101 } 1102 1103 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1104 struct ieee80211_vif *vif, 1105 struct cfg80211_gtk_rekey_data *data) 1106 { 1107 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1108 1109 mt792x_mutex_acquire(dev); 1110 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1111 mt792x_mutex_release(dev); 1112 } 1113 #endif /* CONFIG_PM */ 1114 1115 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1116 struct ieee80211_vif *vif, 1117 struct ieee80211_sta *sta, 1118 bool enabled) 1119 { 1120 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1121 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1122 1123 mt792x_mutex_acquire(dev); 1124 1125 if (enabled) 1126 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1127 else 1128 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1129 1130 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1131 MCU_UNI_CMD(STA_REC_UPDATE)); 1132 1133 mt792x_mutex_release(dev); 1134 } 1135 1136 #if IS_ENABLED(CONFIG_IPV6) 1137 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1138 struct ieee80211_vif *vif, 1139 struct inet6_dev *idev) 1140 { 1141 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1142 struct mt792x_dev *dev = mvif->phy->dev; 1143 struct inet6_ifaddr *ifa; 1144 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1145 struct sk_buff *skb; 1146 u8 i, idx = 0; 1147 1148 struct { 1149 struct { 1150 u8 bss_idx; 1151 u8 pad[3]; 1152 } __packed hdr; 1153 struct mt76_connac_arpns_tlv arpns; 1154 } req_hdr = { 1155 .hdr = { 1156 .bss_idx = mvif->mt76.idx, 1157 }, 1158 .arpns = { 1159 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1160 .mode = 2, /* update */ 1161 .option = 1, /* update only */ 1162 }, 1163 }; 1164 1165 read_lock_bh(&idev->lock); 1166 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1167 if (ifa->flags & IFA_F_TENTATIVE) 1168 continue; 1169 ns_addrs[idx] = ifa->addr; 1170 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1171 break; 1172 } 1173 read_unlock_bh(&idev->lock); 1174 1175 if (!idx) 1176 return; 1177 1178 req_hdr.arpns.ips_num = idx; 1179 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1180 + idx * sizeof(struct in6_addr)); 1181 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1182 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1183 sizeof(req_hdr), GFP_ATOMIC); 1184 if (!skb) 1185 return; 1186 1187 for (i = 0; i < idx; i++) 1188 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1189 1190 skb_queue_tail(&dev->ipv6_ns_list, skb); 1191 1192 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1193 } 1194 #endif 1195 1196 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1197 const struct cfg80211_sar_specs *sar) 1198 { 1199 struct mt76_phy *mphy = hw->priv; 1200 1201 if (sar) { 1202 int err = mt76_init_sar_power(hw, sar); 1203 1204 if (err) 1205 return err; 1206 } 1207 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1208 1209 return mt76_connac_mcu_set_rate_txpower(mphy); 1210 } 1211 1212 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1213 const struct cfg80211_sar_specs *sar) 1214 { 1215 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1216 int err; 1217 1218 mt792x_mutex_acquire(dev); 1219 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1220 dev->country_ie_env); 1221 if (err < 0) 1222 goto out; 1223 1224 err = mt7921_set_tx_sar_pwr(hw, sar); 1225 out: 1226 mt792x_mutex_release(dev); 1227 1228 return err; 1229 } 1230 1231 static void 1232 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1233 struct ieee80211_vif *vif, 1234 struct cfg80211_chan_def *chandef) 1235 { 1236 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1237 1238 mt792x_mutex_acquire(dev); 1239 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1240 mt792x_mutex_release(dev); 1241 } 1242 1243 static int 1244 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1245 struct ieee80211_bss_conf *link_conf) 1246 { 1247 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1248 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1249 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1250 int err; 1251 1252 mt792x_mutex_acquire(dev); 1253 1254 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1255 true, mvif->mt76.ctx); 1256 if (err) 1257 goto out; 1258 1259 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1260 if (err) 1261 goto out; 1262 1263 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1264 MT76_STA_INFO_STATE_NONE); 1265 out: 1266 mt792x_mutex_release(dev); 1267 1268 return err; 1269 } 1270 1271 static void 1272 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1273 struct ieee80211_bss_conf *link_conf) 1274 { 1275 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1276 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1277 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1278 int err; 1279 1280 mt792x_mutex_acquire(dev); 1281 1282 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1283 if (err) 1284 goto out; 1285 1286 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1287 mvif->mt76.ctx); 1288 1289 out: 1290 mt792x_mutex_release(dev); 1291 } 1292 1293 static int 1294 mt7921_add_chanctx(struct ieee80211_hw *hw, 1295 struct ieee80211_chanctx_conf *ctx) 1296 { 1297 return 0; 1298 } 1299 1300 static void 1301 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1302 struct ieee80211_chanctx_conf *ctx) 1303 { 1304 } 1305 1306 static void mt7921_ctx_iter(void *priv, u8 *mac, 1307 struct ieee80211_vif *vif) 1308 { 1309 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1310 struct ieee80211_chanctx_conf *ctx = priv; 1311 1312 if (ctx != mvif->mt76.ctx) 1313 return; 1314 1315 if (vif->type == NL80211_IFTYPE_MONITOR) 1316 mt7921_mcu_config_sniffer(mvif, ctx); 1317 else 1318 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1319 } 1320 1321 static void 1322 mt7921_change_chanctx(struct ieee80211_hw *hw, 1323 struct ieee80211_chanctx_conf *ctx, 1324 u32 changed) 1325 { 1326 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1327 1328 mt792x_mutex_acquire(phy->dev); 1329 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1330 IEEE80211_IFACE_ITER_ACTIVE, 1331 mt7921_ctx_iter, ctx); 1332 mt792x_mutex_release(phy->dev); 1333 } 1334 1335 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1336 struct ieee80211_vif *vif, 1337 struct ieee80211_prep_tx_info *info) 1338 { 1339 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1340 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1341 u16 duration = info->duration ? info->duration : 1342 jiffies_to_msecs(HZ); 1343 1344 mt792x_mutex_acquire(dev); 1345 mt7921_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1346 MT7921_ROC_REQ_JOIN); 1347 mt792x_mutex_release(dev); 1348 } 1349 1350 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1351 struct ieee80211_vif *vif, 1352 struct ieee80211_prep_tx_info *info) 1353 { 1354 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1355 1356 mt7921_abort_roc(mvif->phy, mvif); 1357 } 1358 1359 const struct ieee80211_ops mt7921_ops = { 1360 .tx = mt792x_tx, 1361 .start = mt7921_start, 1362 .stop = mt792x_stop, 1363 .add_interface = mt7921_add_interface, 1364 .remove_interface = mt792x_remove_interface, 1365 .config = mt7921_config, 1366 .conf_tx = mt792x_conf_tx, 1367 .configure_filter = mt7921_configure_filter, 1368 .bss_info_changed = mt7921_bss_info_changed, 1369 .start_ap = mt7921_start_ap, 1370 .stop_ap = mt7921_stop_ap, 1371 .sta_state = mt7921_sta_state, 1372 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1373 .set_key = mt7921_set_key, 1374 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1375 #if IS_ENABLED(CONFIG_IPV6) 1376 .ipv6_addr_change = mt7921_ipv6_addr_change, 1377 #endif /* CONFIG_IPV6 */ 1378 .ampdu_action = mt7921_ampdu_action, 1379 .set_rts_threshold = mt7921_set_rts_threshold, 1380 .wake_tx_queue = mt76_wake_tx_queue, 1381 .release_buffered_frames = mt76_release_buffered_frames, 1382 .channel_switch_beacon = mt7921_channel_switch_beacon, 1383 .get_txpower = mt76_get_txpower, 1384 .get_stats = mt792x_get_stats, 1385 .get_et_sset_count = mt792x_get_et_sset_count, 1386 .get_et_strings = mt792x_get_et_strings, 1387 .get_et_stats = mt792x_get_et_stats, 1388 .get_tsf = mt792x_get_tsf, 1389 .set_tsf = mt792x_set_tsf, 1390 .get_survey = mt76_get_survey, 1391 .get_antenna = mt76_get_antenna, 1392 .set_antenna = mt7921_set_antenna, 1393 .set_coverage_class = mt792x_set_coverage_class, 1394 .hw_scan = mt7921_hw_scan, 1395 .cancel_hw_scan = mt7921_cancel_hw_scan, 1396 .sta_statistics = mt792x_sta_statistics, 1397 .sched_scan_start = mt7921_start_sched_scan, 1398 .sched_scan_stop = mt7921_stop_sched_scan, 1399 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1400 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1401 #ifdef CONFIG_PM 1402 .suspend = mt7921_suspend, 1403 .resume = mt7921_resume, 1404 .set_wakeup = mt792x_set_wakeup, 1405 .set_rekey_data = mt7921_set_rekey_data, 1406 #endif /* CONFIG_PM */ 1407 .flush = mt792x_flush, 1408 .set_sar_specs = mt7921_set_sar_specs, 1409 .remain_on_channel = mt7921_remain_on_channel, 1410 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1411 .add_chanctx = mt7921_add_chanctx, 1412 .remove_chanctx = mt7921_remove_chanctx, 1413 .change_chanctx = mt7921_change_chanctx, 1414 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1415 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1416 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1417 .mgd_complete_tx = mt7921_mgd_complete_tx, 1418 }; 1419 EXPORT_SYMBOL_GPL(mt7921_ops); 1420 1421 MODULE_LICENSE("Dual BSD/GPL"); 1422 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1423