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 band->iftype_data = data; 200 band->n_iftype_data = n; 201 } 202 203 if (phy->mt76->cap.has_5ghz) { 204 data = phy->iftype[NL80211_BAND_5GHZ]; 205 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 206 207 band = &phy->mt76->sband_5g.sband; 208 band->iftype_data = data; 209 band->n_iftype_data = n; 210 211 if (phy->mt76->cap.has_6ghz) { 212 data = phy->iftype[NL80211_BAND_6GHZ]; 213 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 214 215 band = &phy->mt76->sband_6g.sband; 216 band->iftype_data = data; 217 band->n_iftype_data = n; 218 } 219 } 220 } 221 222 int __mt7921_start(struct mt792x_phy *phy) 223 { 224 struct mt76_phy *mphy = phy->mt76; 225 int err; 226 227 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 228 if (err) 229 return err; 230 231 err = mt76_connac_mcu_set_channel_domain(mphy); 232 if (err) 233 return err; 234 235 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 236 if (err) 237 return err; 238 239 err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 240 if (err) 241 return err; 242 243 mt792x_mac_reset_counters(phy); 244 set_bit(MT76_STATE_RUNNING, &mphy->state); 245 246 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 247 MT792x_WATCHDOG_TIME); 248 249 return 0; 250 } 251 EXPORT_SYMBOL_GPL(__mt7921_start); 252 253 static int mt7921_start(struct ieee80211_hw *hw) 254 { 255 struct mt792x_phy *phy = mt792x_hw_phy(hw); 256 int err; 257 258 mt792x_mutex_acquire(phy->dev); 259 err = __mt7921_start(phy); 260 mt792x_mutex_release(phy->dev); 261 262 return err; 263 } 264 265 void mt7921_stop(struct ieee80211_hw *hw) 266 { 267 struct mt792x_dev *dev = mt792x_hw_dev(hw); 268 struct mt792x_phy *phy = mt792x_hw_phy(hw); 269 270 cancel_delayed_work_sync(&phy->mt76->mac_work); 271 272 cancel_delayed_work_sync(&dev->pm.ps_work); 273 cancel_work_sync(&dev->pm.wake_work); 274 cancel_work_sync(&dev->reset_work); 275 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 276 277 mt792x_mutex_acquire(dev); 278 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 279 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 280 mt792x_mutex_release(dev); 281 } 282 EXPORT_SYMBOL_GPL(mt7921_stop); 283 284 static int 285 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 286 { 287 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 288 struct mt792x_dev *dev = mt792x_hw_dev(hw); 289 struct mt792x_phy *phy = mt792x_hw_phy(hw); 290 struct mt76_txq *mtxq; 291 int idx, ret = 0; 292 293 mt792x_mutex_acquire(dev); 294 295 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 296 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 297 ret = -ENOSPC; 298 goto out; 299 } 300 301 mvif->mt76.omac_idx = mvif->mt76.idx; 302 mvif->phy = phy; 303 mvif->mt76.band_idx = 0; 304 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 305 306 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 307 true); 308 if (ret) 309 goto out; 310 311 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 312 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 313 314 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 315 316 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 317 mvif->sta.wcid.idx = idx; 318 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 319 mvif->sta.wcid.hw_key_idx = -1; 320 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 321 mt76_packet_id_init(&mvif->sta.wcid); 322 323 mt7921_mac_wtbl_update(dev, idx, 324 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 325 326 ewma_rssi_init(&mvif->rssi); 327 328 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 329 if (vif->txq) { 330 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 331 mtxq->wcid = idx; 332 } 333 334 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 335 out: 336 mt792x_mutex_release(dev); 337 338 return ret; 339 } 340 341 static void mt7921_roc_iter(void *priv, u8 *mac, 342 struct ieee80211_vif *vif) 343 { 344 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 345 struct mt792x_phy *phy = priv; 346 347 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 348 } 349 350 void mt7921_roc_work(struct work_struct *work) 351 { 352 struct mt792x_phy *phy; 353 354 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 355 roc_work); 356 357 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 358 return; 359 360 mt792x_mutex_acquire(phy->dev); 361 ieee80211_iterate_active_interfaces(phy->mt76->hw, 362 IEEE80211_IFACE_ITER_RESUME_ALL, 363 mt7921_roc_iter, phy); 364 mt792x_mutex_release(phy->dev); 365 ieee80211_remain_on_channel_expired(phy->mt76->hw); 366 } 367 368 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 369 { 370 int err = 0; 371 372 del_timer_sync(&phy->roc_timer); 373 cancel_work_sync(&phy->roc_work); 374 375 mt792x_mutex_acquire(phy->dev); 376 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 377 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 378 mt792x_mutex_release(phy->dev); 379 380 return err; 381 } 382 383 static int mt7921_set_roc(struct mt792x_phy *phy, 384 struct mt792x_vif *vif, 385 struct ieee80211_channel *chan, 386 int duration, 387 enum mt7921_roc_req type) 388 { 389 int err; 390 391 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 392 return -EBUSY; 393 394 phy->roc_grant = false; 395 396 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 397 ++phy->roc_token_id); 398 if (err < 0) { 399 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 400 goto out; 401 } 402 403 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 404 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 405 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 406 err = -ETIMEDOUT; 407 } 408 409 out: 410 return err; 411 } 412 413 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 414 struct ieee80211_vif *vif, 415 struct ieee80211_channel *chan, 416 int duration, 417 enum ieee80211_roc_type type) 418 { 419 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 420 struct mt792x_phy *phy = mt792x_hw_phy(hw); 421 int err; 422 423 mt792x_mutex_acquire(phy->dev); 424 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 425 mt792x_mutex_release(phy->dev); 426 427 return err; 428 } 429 430 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 431 struct ieee80211_vif *vif) 432 { 433 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 434 struct mt792x_phy *phy = mt792x_hw_phy(hw); 435 436 return mt7921_abort_roc(phy, mvif); 437 } 438 439 static int mt7921_set_channel(struct mt792x_phy *phy) 440 { 441 struct mt792x_dev *dev = phy->dev; 442 int ret; 443 444 cancel_delayed_work_sync(&phy->mt76->mac_work); 445 446 mt792x_mutex_acquire(dev); 447 set_bit(MT76_RESET, &phy->mt76->state); 448 449 mt76_set_channel(phy->mt76); 450 451 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 452 if (ret) 453 goto out; 454 455 mt792x_mac_set_timeing(phy); 456 457 mt792x_mac_reset_counters(phy); 458 phy->noise = 0; 459 460 out: 461 clear_bit(MT76_RESET, &phy->mt76->state); 462 mt792x_mutex_release(dev); 463 464 mt76_worker_schedule(&dev->mt76.tx_worker); 465 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 466 MT792x_WATCHDOG_TIME); 467 468 return ret; 469 } 470 471 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 472 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 473 struct ieee80211_key_conf *key) 474 { 475 struct mt792x_dev *dev = mt792x_hw_dev(hw); 476 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 477 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 478 &mvif->sta; 479 struct mt76_wcid *wcid = &msta->wcid; 480 u8 *wcid_keyidx = &wcid->hw_key_idx; 481 int idx = key->keyidx, err = 0; 482 483 /* The hardware does not support per-STA RX GTK, fallback 484 * to software mode for these. 485 */ 486 if ((vif->type == NL80211_IFTYPE_ADHOC || 487 vif->type == NL80211_IFTYPE_MESH_POINT) && 488 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 489 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 490 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 491 return -EOPNOTSUPP; 492 493 /* fall back to sw encryption for unsupported ciphers */ 494 switch (key->cipher) { 495 case WLAN_CIPHER_SUITE_AES_CMAC: 496 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 497 wcid_keyidx = &wcid->hw_key_idx2; 498 break; 499 case WLAN_CIPHER_SUITE_WEP40: 500 case WLAN_CIPHER_SUITE_WEP104: 501 if (!mvif->wep_sta) 502 return -EOPNOTSUPP; 503 break; 504 case WLAN_CIPHER_SUITE_TKIP: 505 case WLAN_CIPHER_SUITE_CCMP: 506 case WLAN_CIPHER_SUITE_CCMP_256: 507 case WLAN_CIPHER_SUITE_GCMP: 508 case WLAN_CIPHER_SUITE_GCMP_256: 509 case WLAN_CIPHER_SUITE_SMS4: 510 break; 511 default: 512 return -EOPNOTSUPP; 513 } 514 515 mt792x_mutex_acquire(dev); 516 517 if (cmd == SET_KEY) { 518 *wcid_keyidx = idx; 519 } else { 520 if (idx == *wcid_keyidx) 521 *wcid_keyidx = -1; 522 goto out; 523 } 524 525 mt76_wcid_key_setup(&dev->mt76, wcid, key); 526 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 527 key, MCU_UNI_CMD(STA_REC_UPDATE), 528 &msta->wcid, cmd); 529 if (err) 530 goto out; 531 532 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 533 key->cipher == WLAN_CIPHER_SUITE_WEP40) 534 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 535 &mvif->wep_sta->bip, 536 key, MCU_UNI_CMD(STA_REC_UPDATE), 537 &mvif->wep_sta->wcid, cmd); 538 out: 539 mt792x_mutex_release(dev); 540 541 return err; 542 } 543 544 static void 545 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 546 { 547 struct mt792x_dev *dev = priv; 548 struct ieee80211_hw *hw = mt76_hw(dev); 549 bool pm_enable = dev->pm.enable; 550 int err; 551 552 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 553 if (err < 0) 554 return; 555 556 if (pm_enable) { 557 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 558 ieee80211_hw_set(hw, CONNECTION_MONITOR); 559 } else { 560 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 561 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 562 } 563 } 564 565 static void 566 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 567 { 568 struct mt792x_dev *dev = priv; 569 struct ieee80211_hw *hw = mt76_hw(dev); 570 struct mt76_connac_pm *pm = &dev->pm; 571 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 572 573 mt7921_mcu_set_sniffer(dev, vif, monitor); 574 pm->enable = pm->enable_user && !monitor; 575 pm->ds_enable = pm->ds_enable_user && !monitor; 576 577 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 578 579 if (monitor) 580 mt7921_mcu_set_beacon_filter(dev, vif, false); 581 } 582 583 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 584 { 585 struct ieee80211_hw *hw = mt76_hw(dev); 586 struct mt76_connac_pm *pm = &dev->pm; 587 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 588 589 pm->enable = pm->enable_user && !monitor; 590 ieee80211_iterate_active_interfaces(hw, 591 IEEE80211_IFACE_ITER_RESUME_ALL, 592 mt7921_pm_interface_iter, dev); 593 pm->ds_enable = pm->ds_enable_user && !monitor; 594 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 595 } 596 597 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 598 { 599 struct mt792x_dev *dev = mt792x_hw_dev(hw); 600 struct mt792x_phy *phy = mt792x_hw_phy(hw); 601 int ret = 0; 602 603 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 604 ieee80211_stop_queues(hw); 605 ret = mt7921_set_channel(phy); 606 if (ret) 607 return ret; 608 ieee80211_wake_queues(hw); 609 } 610 611 mt792x_mutex_acquire(dev); 612 613 if (changed & IEEE80211_CONF_CHANGE_POWER) { 614 ret = mt7921_set_tx_sar_pwr(hw, NULL); 615 if (ret) 616 goto out; 617 } 618 619 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 620 ieee80211_iterate_active_interfaces(hw, 621 IEEE80211_IFACE_ITER_RESUME_ALL, 622 mt7921_sniffer_interface_iter, dev); 623 } 624 625 out: 626 mt792x_mutex_release(dev); 627 628 return ret; 629 } 630 631 static void mt7921_configure_filter(struct ieee80211_hw *hw, 632 unsigned int changed_flags, 633 unsigned int *total_flags, 634 u64 multicast) 635 { 636 #define MT7921_FILTER_FCSFAIL BIT(2) 637 #define MT7921_FILTER_CONTROL BIT(5) 638 #define MT7921_FILTER_OTHER_BSS BIT(6) 639 #define MT7921_FILTER_ENABLE BIT(31) 640 641 struct mt792x_dev *dev = mt792x_hw_dev(hw); 642 u32 flags = MT7921_FILTER_ENABLE; 643 644 #define MT7921_FILTER(_fif, _type) do { \ 645 if (*total_flags & (_fif)) \ 646 flags |= MT7921_FILTER_##_type; \ 647 } while (0) 648 649 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 650 MT7921_FILTER(FIF_CONTROL, CONTROL); 651 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 652 653 mt792x_mutex_acquire(dev); 654 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 655 mt792x_mutex_release(dev); 656 657 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 658 } 659 660 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 661 struct ieee80211_vif *vif, 662 struct ieee80211_bss_conf *info, 663 u64 changed) 664 { 665 struct mt792x_phy *phy = mt792x_hw_phy(hw); 666 struct mt792x_dev *dev = mt792x_hw_dev(hw); 667 668 mt792x_mutex_acquire(dev); 669 670 if (changed & BSS_CHANGED_ERP_SLOT) { 671 int slottime = info->use_short_slot ? 9 : 20; 672 673 if (slottime != phy->slottime) { 674 phy->slottime = slottime; 675 mt792x_mac_set_timeing(phy); 676 } 677 } 678 679 if (changed & (BSS_CHANGED_BEACON | 680 BSS_CHANGED_BEACON_ENABLED)) 681 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 682 info->enable_beacon); 683 684 /* ensure that enable txcmd_mode after bss_info */ 685 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 686 mt7921_mcu_set_tx(dev, vif); 687 688 if (changed & BSS_CHANGED_PS) 689 mt7921_mcu_uni_bss_ps(dev, vif); 690 691 if (changed & BSS_CHANGED_ASSOC) { 692 mt7921_mcu_sta_update(dev, NULL, vif, true, 693 MT76_STA_INFO_STATE_ASSOC); 694 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 695 } 696 697 if (changed & BSS_CHANGED_ARP_FILTER) { 698 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 699 700 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 701 info); 702 } 703 704 mt792x_mutex_release(dev); 705 } 706 707 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 708 struct ieee80211_sta *sta) 709 { 710 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 711 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 712 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 713 int ret, idx; 714 715 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 716 if (idx < 0) 717 return -ENOSPC; 718 719 INIT_LIST_HEAD(&msta->wcid.poll_list); 720 msta->vif = mvif; 721 msta->wcid.sta = 1; 722 msta->wcid.idx = idx; 723 msta->wcid.phy_idx = mvif->mt76.band_idx; 724 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 725 msta->last_txs = jiffies; 726 727 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 728 if (ret) 729 return ret; 730 731 if (vif->type == NL80211_IFTYPE_STATION) 732 mvif->wep_sta = msta; 733 734 mt7921_mac_wtbl_update(dev, idx, 735 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 736 737 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 738 MT76_STA_INFO_STATE_NONE); 739 if (ret) 740 return ret; 741 742 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 743 744 return 0; 745 } 746 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 747 748 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 749 struct ieee80211_sta *sta) 750 { 751 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 752 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 753 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 754 755 mt792x_mutex_acquire(dev); 756 757 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 758 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 759 true, mvif->ctx); 760 761 ewma_avg_signal_init(&msta->avg_ack_signal); 762 763 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 764 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 765 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 766 767 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 768 769 mt792x_mutex_release(dev); 770 } 771 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 772 773 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 774 struct ieee80211_sta *sta) 775 { 776 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 777 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 778 779 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 780 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 781 782 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 783 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 784 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 785 786 if (vif->type == NL80211_IFTYPE_STATION) { 787 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 788 789 mvif->wep_sta = NULL; 790 ewma_rssi_init(&mvif->rssi); 791 if (!sta->tdls) 792 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 793 &mvif->sta.wcid, false, 794 mvif->ctx); 795 } 796 797 spin_lock_bh(&dev->mt76.sta_poll_lock); 798 if (!list_empty(&msta->wcid.poll_list)) 799 list_del_init(&msta->wcid.poll_list); 800 spin_unlock_bh(&dev->mt76.sta_poll_lock); 801 802 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 803 } 804 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 805 806 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 807 { 808 struct mt792x_dev *dev = mt792x_hw_dev(hw); 809 810 mt792x_mutex_acquire(dev); 811 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 812 mt792x_mutex_release(dev); 813 814 return 0; 815 } 816 817 static int 818 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 819 struct ieee80211_ampdu_params *params) 820 { 821 enum ieee80211_ampdu_mlme_action action = params->action; 822 struct mt792x_dev *dev = mt792x_hw_dev(hw); 823 struct ieee80211_sta *sta = params->sta; 824 struct ieee80211_txq *txq = sta->txq[params->tid]; 825 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 826 u16 tid = params->tid; 827 u16 ssn = params->ssn; 828 struct mt76_txq *mtxq; 829 int ret = 0; 830 831 if (!txq) 832 return -EINVAL; 833 834 mtxq = (struct mt76_txq *)txq->drv_priv; 835 836 mt792x_mutex_acquire(dev); 837 switch (action) { 838 case IEEE80211_AMPDU_RX_START: 839 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 840 params->buf_size); 841 mt7921_mcu_uni_rx_ba(dev, params, true); 842 break; 843 case IEEE80211_AMPDU_RX_STOP: 844 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 845 mt7921_mcu_uni_rx_ba(dev, params, false); 846 break; 847 case IEEE80211_AMPDU_TX_OPERATIONAL: 848 mtxq->aggr = true; 849 mtxq->send_bar = false; 850 mt7921_mcu_uni_tx_ba(dev, params, true); 851 break; 852 case IEEE80211_AMPDU_TX_STOP_FLUSH: 853 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 854 mtxq->aggr = false; 855 clear_bit(tid, &msta->wcid.ampdu_state); 856 mt7921_mcu_uni_tx_ba(dev, params, false); 857 break; 858 case IEEE80211_AMPDU_TX_START: 859 set_bit(tid, &msta->wcid.ampdu_state); 860 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 861 break; 862 case IEEE80211_AMPDU_TX_STOP_CONT: 863 mtxq->aggr = false; 864 clear_bit(tid, &msta->wcid.ampdu_state); 865 mt7921_mcu_uni_tx_ba(dev, params, false); 866 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 867 break; 868 } 869 mt792x_mutex_release(dev); 870 871 return ret; 872 } 873 874 static int mt7921_sta_state(struct ieee80211_hw *hw, 875 struct ieee80211_vif *vif, 876 struct ieee80211_sta *sta, 877 enum ieee80211_sta_state old_state, 878 enum ieee80211_sta_state new_state) 879 { 880 struct mt792x_dev *dev = mt792x_hw_dev(hw); 881 882 if (dev->pm.ds_enable) { 883 mt792x_mutex_acquire(dev); 884 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 885 mt792x_mutex_release(dev); 886 } 887 888 return mt76_sta_state(hw, vif, sta, old_state, new_state); 889 } 890 891 void mt7921_scan_work(struct work_struct *work) 892 { 893 struct mt792x_phy *phy; 894 895 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 896 scan_work.work); 897 898 while (true) { 899 struct mt76_connac2_mcu_rxd *rxd; 900 struct sk_buff *skb; 901 902 spin_lock_bh(&phy->dev->mt76.lock); 903 skb = __skb_dequeue(&phy->scan_event_list); 904 spin_unlock_bh(&phy->dev->mt76.lock); 905 906 if (!skb) 907 break; 908 909 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 910 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 911 ieee80211_sched_scan_results(phy->mt76->hw); 912 } else if (test_and_clear_bit(MT76_HW_SCANNING, 913 &phy->mt76->state)) { 914 struct cfg80211_scan_info info = { 915 .aborted = false, 916 }; 917 918 ieee80211_scan_completed(phy->mt76->hw, &info); 919 } 920 dev_kfree_skb(skb); 921 } 922 } 923 924 static int 925 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 926 struct ieee80211_scan_request *req) 927 { 928 struct mt792x_dev *dev = mt792x_hw_dev(hw); 929 struct mt76_phy *mphy = hw->priv; 930 int err; 931 932 mt792x_mutex_acquire(dev); 933 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 934 mt792x_mutex_release(dev); 935 936 return err; 937 } 938 939 static void 940 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 941 { 942 struct mt792x_dev *dev = mt792x_hw_dev(hw); 943 struct mt76_phy *mphy = hw->priv; 944 945 mt792x_mutex_acquire(dev); 946 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 947 mt792x_mutex_release(dev); 948 } 949 950 static int 951 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 952 struct cfg80211_sched_scan_request *req, 953 struct ieee80211_scan_ies *ies) 954 { 955 struct mt792x_dev *dev = mt792x_hw_dev(hw); 956 struct mt76_phy *mphy = hw->priv; 957 int err; 958 959 mt792x_mutex_acquire(dev); 960 961 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 962 if (err < 0) 963 goto out; 964 965 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 966 out: 967 mt792x_mutex_release(dev); 968 969 return err; 970 } 971 972 static int 973 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 974 { 975 struct mt792x_dev *dev = mt792x_hw_dev(hw); 976 struct mt76_phy *mphy = hw->priv; 977 int err; 978 979 mt792x_mutex_acquire(dev); 980 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 981 mt792x_mutex_release(dev); 982 983 return err; 984 } 985 986 static int 987 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 988 { 989 struct mt792x_dev *dev = mt792x_hw_dev(hw); 990 struct mt792x_phy *phy = mt792x_hw_phy(hw); 991 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 992 993 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 994 return -EINVAL; 995 996 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 997 return -EINVAL; 998 999 mt792x_mutex_acquire(dev); 1000 1001 phy->mt76->antenna_mask = tx_ant; 1002 phy->mt76->chainmask = tx_ant; 1003 1004 mt76_set_stream_caps(phy->mt76, true); 1005 mt7921_set_stream_he_caps(phy); 1006 1007 mt792x_mutex_release(dev); 1008 1009 return 0; 1010 } 1011 1012 #ifdef CONFIG_PM 1013 static int mt7921_suspend(struct ieee80211_hw *hw, 1014 struct cfg80211_wowlan *wowlan) 1015 { 1016 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1017 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1018 1019 cancel_delayed_work_sync(&phy->scan_work); 1020 cancel_delayed_work_sync(&phy->mt76->mac_work); 1021 1022 cancel_delayed_work_sync(&dev->pm.ps_work); 1023 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1024 1025 mt792x_mutex_acquire(dev); 1026 1027 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1028 ieee80211_iterate_active_interfaces(hw, 1029 IEEE80211_IFACE_ITER_RESUME_ALL, 1030 mt7921_mcu_set_suspend_iter, 1031 &dev->mphy); 1032 1033 mt792x_mutex_release(dev); 1034 1035 return 0; 1036 } 1037 1038 static int mt7921_resume(struct ieee80211_hw *hw) 1039 { 1040 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1041 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1042 1043 mt792x_mutex_acquire(dev); 1044 1045 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1046 ieee80211_iterate_active_interfaces(hw, 1047 IEEE80211_IFACE_ITER_RESUME_ALL, 1048 mt76_connac_mcu_set_suspend_iter, 1049 &dev->mphy); 1050 1051 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1052 MT792x_WATCHDOG_TIME); 1053 1054 mt792x_mutex_release(dev); 1055 1056 return 0; 1057 } 1058 1059 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1060 struct ieee80211_vif *vif, 1061 struct cfg80211_gtk_rekey_data *data) 1062 { 1063 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1064 1065 mt792x_mutex_acquire(dev); 1066 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1067 mt792x_mutex_release(dev); 1068 } 1069 #endif /* CONFIG_PM */ 1070 1071 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1072 struct ieee80211_vif *vif, 1073 struct ieee80211_sta *sta, 1074 bool enabled) 1075 { 1076 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1077 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1078 1079 mt792x_mutex_acquire(dev); 1080 1081 if (enabled) 1082 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1083 else 1084 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1085 1086 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1087 MCU_UNI_CMD(STA_REC_UPDATE)); 1088 1089 mt792x_mutex_release(dev); 1090 } 1091 1092 #if IS_ENABLED(CONFIG_IPV6) 1093 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1094 struct ieee80211_vif *vif, 1095 struct inet6_dev *idev) 1096 { 1097 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1098 struct mt792x_dev *dev = mvif->phy->dev; 1099 struct inet6_ifaddr *ifa; 1100 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1101 struct sk_buff *skb; 1102 u8 i, idx = 0; 1103 1104 struct { 1105 struct { 1106 u8 bss_idx; 1107 u8 pad[3]; 1108 } __packed hdr; 1109 struct mt76_connac_arpns_tlv arpns; 1110 } req_hdr = { 1111 .hdr = { 1112 .bss_idx = mvif->mt76.idx, 1113 }, 1114 .arpns = { 1115 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1116 .mode = 2, /* update */ 1117 .option = 1, /* update only */ 1118 }, 1119 }; 1120 1121 read_lock_bh(&idev->lock); 1122 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1123 if (ifa->flags & IFA_F_TENTATIVE) 1124 continue; 1125 ns_addrs[idx] = ifa->addr; 1126 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1127 break; 1128 } 1129 read_unlock_bh(&idev->lock); 1130 1131 if (!idx) 1132 return; 1133 1134 req_hdr.arpns.ips_num = idx; 1135 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1136 + idx * sizeof(struct in6_addr)); 1137 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1138 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1139 sizeof(req_hdr), GFP_ATOMIC); 1140 if (!skb) 1141 return; 1142 1143 for (i = 0; i < idx; i++) 1144 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1145 1146 skb_queue_tail(&dev->ipv6_ns_list, skb); 1147 1148 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1149 } 1150 #endif 1151 1152 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1153 const struct cfg80211_sar_specs *sar) 1154 { 1155 struct mt76_phy *mphy = hw->priv; 1156 1157 if (sar) { 1158 int err = mt76_init_sar_power(hw, sar); 1159 1160 if (err) 1161 return err; 1162 } 1163 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1164 1165 return mt76_connac_mcu_set_rate_txpower(mphy); 1166 } 1167 1168 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1169 const struct cfg80211_sar_specs *sar) 1170 { 1171 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1172 int err; 1173 1174 mt792x_mutex_acquire(dev); 1175 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1176 dev->country_ie_env); 1177 if (err < 0) 1178 goto out; 1179 1180 err = mt7921_set_tx_sar_pwr(hw, sar); 1181 out: 1182 mt792x_mutex_release(dev); 1183 1184 return err; 1185 } 1186 1187 static void 1188 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1189 struct ieee80211_vif *vif, 1190 struct cfg80211_chan_def *chandef) 1191 { 1192 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1193 1194 mt792x_mutex_acquire(dev); 1195 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1196 mt792x_mutex_release(dev); 1197 } 1198 1199 static int 1200 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1201 struct ieee80211_bss_conf *link_conf) 1202 { 1203 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1204 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1205 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1206 int err; 1207 1208 mt792x_mutex_acquire(dev); 1209 1210 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1211 true, mvif->ctx); 1212 if (err) 1213 goto out; 1214 1215 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1216 if (err) 1217 goto out; 1218 1219 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1220 MT76_STA_INFO_STATE_NONE); 1221 out: 1222 mt792x_mutex_release(dev); 1223 1224 return err; 1225 } 1226 1227 static void 1228 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1229 struct ieee80211_bss_conf *link_conf) 1230 { 1231 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1232 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1233 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1234 int err; 1235 1236 mt792x_mutex_acquire(dev); 1237 1238 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1239 if (err) 1240 goto out; 1241 1242 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1243 mvif->ctx); 1244 1245 out: 1246 mt792x_mutex_release(dev); 1247 } 1248 1249 static int 1250 mt7921_add_chanctx(struct ieee80211_hw *hw, 1251 struct ieee80211_chanctx_conf *ctx) 1252 { 1253 return 0; 1254 } 1255 1256 static void 1257 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1258 struct ieee80211_chanctx_conf *ctx) 1259 { 1260 } 1261 1262 static void mt7921_ctx_iter(void *priv, u8 *mac, 1263 struct ieee80211_vif *vif) 1264 { 1265 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1266 struct ieee80211_chanctx_conf *ctx = priv; 1267 1268 if (ctx != mvif->ctx) 1269 return; 1270 1271 if (vif->type == NL80211_IFTYPE_MONITOR) 1272 mt7921_mcu_config_sniffer(mvif, ctx); 1273 else 1274 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1275 } 1276 1277 static void 1278 mt7921_change_chanctx(struct ieee80211_hw *hw, 1279 struct ieee80211_chanctx_conf *ctx, 1280 u32 changed) 1281 { 1282 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1283 1284 mt792x_mutex_acquire(phy->dev); 1285 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1286 IEEE80211_IFACE_ITER_ACTIVE, 1287 mt7921_ctx_iter, ctx); 1288 mt792x_mutex_release(phy->dev); 1289 } 1290 1291 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1292 struct ieee80211_vif *vif, 1293 struct ieee80211_prep_tx_info *info) 1294 { 1295 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1296 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1297 u16 duration = info->duration ? info->duration : 1298 jiffies_to_msecs(HZ); 1299 1300 mt792x_mutex_acquire(dev); 1301 mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, 1302 MT7921_ROC_REQ_JOIN); 1303 mt792x_mutex_release(dev); 1304 } 1305 1306 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1307 struct ieee80211_vif *vif, 1308 struct ieee80211_prep_tx_info *info) 1309 { 1310 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1311 1312 mt7921_abort_roc(mvif->phy, mvif); 1313 } 1314 1315 const struct ieee80211_ops mt7921_ops = { 1316 .tx = mt792x_tx, 1317 .start = mt7921_start, 1318 .stop = mt7921_stop, 1319 .add_interface = mt7921_add_interface, 1320 .remove_interface = mt792x_remove_interface, 1321 .config = mt7921_config, 1322 .conf_tx = mt792x_conf_tx, 1323 .configure_filter = mt7921_configure_filter, 1324 .bss_info_changed = mt7921_bss_info_changed, 1325 .start_ap = mt7921_start_ap, 1326 .stop_ap = mt7921_stop_ap, 1327 .sta_state = mt7921_sta_state, 1328 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1329 .set_key = mt7921_set_key, 1330 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1331 #if IS_ENABLED(CONFIG_IPV6) 1332 .ipv6_addr_change = mt7921_ipv6_addr_change, 1333 #endif /* CONFIG_IPV6 */ 1334 .ampdu_action = mt7921_ampdu_action, 1335 .set_rts_threshold = mt7921_set_rts_threshold, 1336 .wake_tx_queue = mt76_wake_tx_queue, 1337 .release_buffered_frames = mt76_release_buffered_frames, 1338 .channel_switch_beacon = mt7921_channel_switch_beacon, 1339 .get_txpower = mt76_get_txpower, 1340 .get_stats = mt792x_get_stats, 1341 .get_et_sset_count = mt792x_get_et_sset_count, 1342 .get_et_strings = mt792x_get_et_strings, 1343 .get_et_stats = mt792x_get_et_stats, 1344 .get_tsf = mt792x_get_tsf, 1345 .set_tsf = mt792x_set_tsf, 1346 .get_survey = mt76_get_survey, 1347 .get_antenna = mt76_get_antenna, 1348 .set_antenna = mt7921_set_antenna, 1349 .set_coverage_class = mt792x_set_coverage_class, 1350 .hw_scan = mt7921_hw_scan, 1351 .cancel_hw_scan = mt7921_cancel_hw_scan, 1352 .sta_statistics = mt792x_sta_statistics, 1353 .sched_scan_start = mt7921_start_sched_scan, 1354 .sched_scan_stop = mt7921_stop_sched_scan, 1355 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1356 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1357 #ifdef CONFIG_PM 1358 .suspend = mt7921_suspend, 1359 .resume = mt7921_resume, 1360 .set_wakeup = mt792x_set_wakeup, 1361 .set_rekey_data = mt7921_set_rekey_data, 1362 #endif /* CONFIG_PM */ 1363 .flush = mt792x_flush, 1364 .set_sar_specs = mt7921_set_sar_specs, 1365 .remain_on_channel = mt7921_remain_on_channel, 1366 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1367 .add_chanctx = mt7921_add_chanctx, 1368 .remove_chanctx = mt7921_remove_chanctx, 1369 .change_chanctx = mt7921_change_chanctx, 1370 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1371 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1372 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1373 .mgd_complete_tx = mt7921_mgd_complete_tx, 1374 }; 1375 EXPORT_SYMBOL_GPL(mt7921_ops); 1376 1377 MODULE_LICENSE("Dual BSD/GPL"); 1378 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1379