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 if (mt76_is_mmio(mphy->dev)) { 246 err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE); 247 if (err) 248 return err; 249 250 err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED); 251 if (err) 252 return err; 253 } 254 255 return 0; 256 } 257 EXPORT_SYMBOL_GPL(__mt7921_start); 258 259 static int mt7921_start(struct ieee80211_hw *hw) 260 { 261 struct mt792x_phy *phy = mt792x_hw_phy(hw); 262 int err; 263 264 mt792x_mutex_acquire(phy->dev); 265 err = __mt7921_start(phy); 266 mt792x_mutex_release(phy->dev); 267 268 return err; 269 } 270 271 static void mt7921_stop(struct ieee80211_hw *hw) 272 { 273 struct mt792x_dev *dev = mt792x_hw_dev(hw); 274 int err = 0; 275 276 if (mt76_is_mmio(&dev->mt76)) { 277 mt792x_mutex_acquire(dev); 278 err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED); 279 mt792x_mutex_release(dev); 280 if (err) 281 return; 282 } 283 284 mt792x_stop(hw); 285 } 286 287 static int 288 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 289 { 290 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 291 struct mt792x_dev *dev = mt792x_hw_dev(hw); 292 struct mt792x_phy *phy = mt792x_hw_phy(hw); 293 struct mt76_txq *mtxq; 294 int idx, ret = 0; 295 296 mt792x_mutex_acquire(dev); 297 298 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 299 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 300 ret = -ENOSPC; 301 goto out; 302 } 303 304 mvif->mt76.omac_idx = mvif->mt76.idx; 305 mvif->phy = phy; 306 mvif->mt76.band_idx = 0; 307 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 308 309 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 310 true); 311 if (ret) 312 goto out; 313 314 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 315 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 316 317 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 318 319 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 320 mvif->sta.wcid.idx = idx; 321 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 322 mvif->sta.wcid.hw_key_idx = -1; 323 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 324 mt76_wcid_init(&mvif->sta.wcid); 325 326 mt7921_mac_wtbl_update(dev, idx, 327 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 328 329 ewma_rssi_init(&mvif->rssi); 330 331 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 332 if (vif->txq) { 333 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 334 mtxq->wcid = idx; 335 } 336 337 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 338 if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN) 339 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI; 340 out: 341 mt792x_mutex_release(dev); 342 343 return ret; 344 } 345 346 static void mt7921_roc_iter(void *priv, u8 *mac, 347 struct ieee80211_vif *vif) 348 { 349 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 350 struct mt792x_phy *phy = priv; 351 352 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 353 } 354 355 void mt7921_roc_abort_sync(struct mt792x_dev *dev) 356 { 357 struct mt792x_phy *phy = &dev->phy; 358 359 del_timer_sync(&phy->roc_timer); 360 cancel_work_sync(&phy->roc_work); 361 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 362 ieee80211_iterate_active_interfaces(mt76_hw(dev), 363 IEEE80211_IFACE_ITER_RESUME_ALL, 364 mt7921_roc_iter, (void *)phy); 365 } 366 EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync); 367 368 void mt7921_roc_work(struct work_struct *work) 369 { 370 struct mt792x_phy *phy; 371 372 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 373 roc_work); 374 375 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 376 return; 377 378 mt792x_mutex_acquire(phy->dev); 379 ieee80211_iterate_active_interfaces(phy->mt76->hw, 380 IEEE80211_IFACE_ITER_RESUME_ALL, 381 mt7921_roc_iter, phy); 382 mt792x_mutex_release(phy->dev); 383 ieee80211_remain_on_channel_expired(phy->mt76->hw); 384 } 385 386 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 387 { 388 int err = 0; 389 390 del_timer_sync(&phy->roc_timer); 391 cancel_work_sync(&phy->roc_work); 392 393 mt792x_mutex_acquire(phy->dev); 394 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 395 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 396 mt792x_mutex_release(phy->dev); 397 398 return err; 399 } 400 401 static int mt7921_set_roc(struct mt792x_phy *phy, 402 struct mt792x_vif *vif, 403 struct ieee80211_channel *chan, 404 int duration, 405 enum mt7921_roc_req type) 406 { 407 int err; 408 409 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 410 return -EBUSY; 411 412 phy->roc_grant = false; 413 414 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 415 ++phy->roc_token_id); 416 if (err < 0) { 417 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 418 goto out; 419 } 420 421 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 422 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 423 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 424 err = -ETIMEDOUT; 425 } 426 427 out: 428 return err; 429 } 430 431 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 432 struct ieee80211_vif *vif, 433 struct ieee80211_channel *chan, 434 int duration, 435 enum ieee80211_roc_type type) 436 { 437 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 438 struct mt792x_phy *phy = mt792x_hw_phy(hw); 439 int err; 440 441 mt792x_mutex_acquire(phy->dev); 442 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 443 mt792x_mutex_release(phy->dev); 444 445 return err; 446 } 447 448 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 449 struct ieee80211_vif *vif) 450 { 451 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 452 struct mt792x_phy *phy = mt792x_hw_phy(hw); 453 454 return mt7921_abort_roc(phy, mvif); 455 } 456 457 static int mt7921_set_channel(struct mt792x_phy *phy) 458 { 459 struct mt792x_dev *dev = phy->dev; 460 int ret; 461 462 cancel_delayed_work_sync(&phy->mt76->mac_work); 463 464 mt792x_mutex_acquire(dev); 465 set_bit(MT76_RESET, &phy->mt76->state); 466 467 mt76_set_channel(phy->mt76); 468 469 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 470 if (ret) 471 goto out; 472 473 mt792x_mac_set_timeing(phy); 474 475 mt792x_mac_reset_counters(phy); 476 phy->noise = 0; 477 478 out: 479 clear_bit(MT76_RESET, &phy->mt76->state); 480 mt792x_mutex_release(dev); 481 482 mt76_worker_schedule(&dev->mt76.tx_worker); 483 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 484 MT792x_WATCHDOG_TIME); 485 486 return ret; 487 } 488 489 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 490 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 491 struct ieee80211_key_conf *key) 492 { 493 struct mt792x_dev *dev = mt792x_hw_dev(hw); 494 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 495 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 496 &mvif->sta; 497 struct mt76_wcid *wcid = &msta->wcid; 498 u8 *wcid_keyidx = &wcid->hw_key_idx; 499 int idx = key->keyidx, err = 0; 500 501 /* The hardware does not support per-STA RX GTK, fallback 502 * to software mode for these. 503 */ 504 if ((vif->type == NL80211_IFTYPE_ADHOC || 505 vif->type == NL80211_IFTYPE_MESH_POINT) && 506 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 507 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 508 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 509 return -EOPNOTSUPP; 510 511 /* fall back to sw encryption for unsupported ciphers */ 512 switch (key->cipher) { 513 case WLAN_CIPHER_SUITE_AES_CMAC: 514 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 515 wcid_keyidx = &wcid->hw_key_idx2; 516 break; 517 case WLAN_CIPHER_SUITE_WEP40: 518 case WLAN_CIPHER_SUITE_WEP104: 519 if (!mvif->wep_sta) 520 return -EOPNOTSUPP; 521 break; 522 case WLAN_CIPHER_SUITE_TKIP: 523 case WLAN_CIPHER_SUITE_CCMP: 524 case WLAN_CIPHER_SUITE_CCMP_256: 525 case WLAN_CIPHER_SUITE_GCMP: 526 case WLAN_CIPHER_SUITE_GCMP_256: 527 case WLAN_CIPHER_SUITE_SMS4: 528 break; 529 default: 530 return -EOPNOTSUPP; 531 } 532 533 mt792x_mutex_acquire(dev); 534 535 if (cmd == SET_KEY) { 536 *wcid_keyidx = idx; 537 } else { 538 if (idx == *wcid_keyidx) 539 *wcid_keyidx = -1; 540 goto out; 541 } 542 543 mt76_wcid_key_setup(&dev->mt76, wcid, key); 544 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 545 key, MCU_UNI_CMD(STA_REC_UPDATE), 546 &msta->wcid, cmd); 547 if (err) 548 goto out; 549 550 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 551 key->cipher == WLAN_CIPHER_SUITE_WEP40) 552 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 553 &mvif->wep_sta->bip, 554 key, MCU_UNI_CMD(STA_REC_UPDATE), 555 &mvif->wep_sta->wcid, cmd); 556 out: 557 mt792x_mutex_release(dev); 558 559 return err; 560 } 561 562 static void 563 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 564 { 565 struct mt792x_dev *dev = priv; 566 struct ieee80211_hw *hw = mt76_hw(dev); 567 bool pm_enable = dev->pm.enable; 568 int err; 569 570 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 571 if (err < 0) 572 return; 573 574 if (pm_enable) { 575 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 576 ieee80211_hw_set(hw, CONNECTION_MONITOR); 577 } else { 578 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 579 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 580 } 581 } 582 583 static void 584 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 585 { 586 struct mt792x_dev *dev = priv; 587 struct ieee80211_hw *hw = mt76_hw(dev); 588 struct mt76_connac_pm *pm = &dev->pm; 589 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 590 591 mt7921_mcu_set_sniffer(dev, vif, monitor); 592 pm->enable = pm->enable_user && !monitor; 593 pm->ds_enable = pm->ds_enable_user && !monitor; 594 595 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 596 597 if (monitor) 598 mt7921_mcu_set_beacon_filter(dev, vif, false); 599 } 600 601 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 602 { 603 struct ieee80211_hw *hw = mt76_hw(dev); 604 struct mt76_connac_pm *pm = &dev->pm; 605 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 606 607 pm->enable = pm->enable_user && !monitor; 608 ieee80211_iterate_active_interfaces(hw, 609 IEEE80211_IFACE_ITER_RESUME_ALL, 610 mt7921_pm_interface_iter, dev); 611 pm->ds_enable = pm->ds_enable_user && !monitor; 612 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 613 } 614 615 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 616 { 617 struct mt792x_dev *dev = mt792x_hw_dev(hw); 618 struct mt792x_phy *phy = mt792x_hw_phy(hw); 619 int ret = 0; 620 621 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 622 ieee80211_stop_queues(hw); 623 ret = mt7921_set_channel(phy); 624 if (ret) 625 return ret; 626 ieee80211_wake_queues(hw); 627 } 628 629 mt792x_mutex_acquire(dev); 630 631 if (changed & IEEE80211_CONF_CHANGE_POWER) { 632 ret = mt7921_set_tx_sar_pwr(hw, NULL); 633 if (ret) 634 goto out; 635 } 636 637 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 638 ieee80211_iterate_active_interfaces(hw, 639 IEEE80211_IFACE_ITER_RESUME_ALL, 640 mt7921_sniffer_interface_iter, dev); 641 } 642 643 out: 644 mt792x_mutex_release(dev); 645 646 return ret; 647 } 648 649 static void mt7921_configure_filter(struct ieee80211_hw *hw, 650 unsigned int changed_flags, 651 unsigned int *total_flags, 652 u64 multicast) 653 { 654 #define MT7921_FILTER_FCSFAIL BIT(2) 655 #define MT7921_FILTER_CONTROL BIT(5) 656 #define MT7921_FILTER_OTHER_BSS BIT(6) 657 #define MT7921_FILTER_ENABLE BIT(31) 658 659 struct mt792x_dev *dev = mt792x_hw_dev(hw); 660 u32 flags = MT7921_FILTER_ENABLE; 661 662 #define MT7921_FILTER(_fif, _type) do { \ 663 if (*total_flags & (_fif)) \ 664 flags |= MT7921_FILTER_##_type; \ 665 } while (0) 666 667 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 668 MT7921_FILTER(FIF_CONTROL, CONTROL); 669 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 670 671 mt792x_mutex_acquire(dev); 672 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 673 mt792x_mutex_release(dev); 674 675 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 676 } 677 678 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 679 struct ieee80211_vif *vif, 680 struct ieee80211_bss_conf *info, 681 u64 changed) 682 { 683 struct mt792x_phy *phy = mt792x_hw_phy(hw); 684 struct mt792x_dev *dev = mt792x_hw_dev(hw); 685 686 mt792x_mutex_acquire(dev); 687 688 if (changed & BSS_CHANGED_ERP_SLOT) { 689 int slottime = info->use_short_slot ? 9 : 20; 690 691 if (slottime != phy->slottime) { 692 phy->slottime = slottime; 693 mt792x_mac_set_timeing(phy); 694 } 695 } 696 697 if (changed & (BSS_CHANGED_BEACON | 698 BSS_CHANGED_BEACON_ENABLED)) 699 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 700 info->enable_beacon); 701 702 /* ensure that enable txcmd_mode after bss_info */ 703 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 704 mt7921_mcu_set_tx(dev, vif); 705 706 if (changed & BSS_CHANGED_PS) 707 mt7921_mcu_uni_bss_ps(dev, vif); 708 709 if (changed & BSS_CHANGED_CQM) 710 mt7921_mcu_set_rssimonitor(dev, vif); 711 712 if (changed & BSS_CHANGED_ASSOC) { 713 mt7921_mcu_sta_update(dev, NULL, vif, true, 714 MT76_STA_INFO_STATE_ASSOC); 715 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 716 } 717 718 if (changed & BSS_CHANGED_ARP_FILTER) { 719 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 720 721 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 722 info); 723 } 724 725 mt792x_mutex_release(dev); 726 } 727 728 static void 729 mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 730 { 731 u32 *num = priv; 732 733 if (!priv) 734 return; 735 736 switch (vif->type) { 737 case NL80211_IFTYPE_STATION: 738 case NL80211_IFTYPE_P2P_CLIENT: 739 case NL80211_IFTYPE_AP: 740 case NL80211_IFTYPE_P2P_GO: 741 *num += 1; 742 break; 743 default: 744 break; 745 } 746 } 747 748 static void 749 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 750 { 751 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 752 struct mt792x_phy *phy = mvif->phy; 753 struct mt792x_dev *dev = phy->dev; 754 u32 valid_vif_num = 0; 755 756 ieee80211_iterate_active_interfaces(mt76_hw(dev), 757 IEEE80211_IFACE_ITER_RESUME_ALL, 758 mt7921_calc_vif_num, &valid_vif_num); 759 760 if (valid_vif_num > 1) { 761 phy->power_type = MT_AP_DEFAULT; 762 goto out; 763 } 764 765 if (!is_add) 766 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 767 768 switch (vif->bss_conf.power_type) { 769 case IEEE80211_REG_SP_AP: 770 phy->power_type = MT_AP_SP; 771 break; 772 case IEEE80211_REG_VLP_AP: 773 phy->power_type = MT_AP_VLP; 774 break; 775 case IEEE80211_REG_LPI_AP: 776 phy->power_type = MT_AP_LPI; 777 break; 778 case IEEE80211_REG_UNSET_AP: 779 phy->power_type = MT_AP_UNSET; 780 break; 781 default: 782 phy->power_type = MT_AP_DEFAULT; 783 break; 784 } 785 786 out: 787 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 788 } 789 790 int mt7921_mac_sta_add(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 int ret, idx; 797 798 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 799 if (idx < 0) 800 return -ENOSPC; 801 802 INIT_LIST_HEAD(&msta->wcid.poll_list); 803 msta->vif = mvif; 804 msta->wcid.sta = 1; 805 msta->wcid.idx = idx; 806 msta->wcid.phy_idx = mvif->mt76.band_idx; 807 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 808 msta->last_txs = jiffies; 809 810 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 811 if (ret) 812 return ret; 813 814 if (vif->type == NL80211_IFTYPE_STATION) 815 mvif->wep_sta = msta; 816 817 mt7921_mac_wtbl_update(dev, idx, 818 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 819 820 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 821 MT76_STA_INFO_STATE_NONE); 822 if (ret) 823 return ret; 824 825 mt7921_regd_set_6ghz_power_type(vif, true); 826 827 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 828 829 return 0; 830 } 831 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 832 833 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 834 struct ieee80211_sta *sta) 835 { 836 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 837 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 838 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 839 840 mt792x_mutex_acquire(dev); 841 842 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 843 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 844 true, mvif->mt76.ctx); 845 846 ewma_avg_signal_init(&msta->avg_ack_signal); 847 848 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 849 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 850 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 851 852 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 853 854 mt792x_mutex_release(dev); 855 } 856 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 857 858 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 859 struct ieee80211_sta *sta) 860 { 861 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 862 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 863 864 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 865 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 866 867 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 868 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 869 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 870 871 if (vif->type == NL80211_IFTYPE_STATION) { 872 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 873 874 mvif->wep_sta = NULL; 875 ewma_rssi_init(&mvif->rssi); 876 if (!sta->tdls) 877 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 878 &mvif->sta.wcid, false, 879 mvif->mt76.ctx); 880 } 881 882 spin_lock_bh(&dev->mt76.sta_poll_lock); 883 if (!list_empty(&msta->wcid.poll_list)) 884 list_del_init(&msta->wcid.poll_list); 885 spin_unlock_bh(&dev->mt76.sta_poll_lock); 886 887 mt7921_regd_set_6ghz_power_type(vif, false); 888 889 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 890 } 891 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 892 893 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 894 { 895 struct mt792x_dev *dev = mt792x_hw_dev(hw); 896 897 mt792x_mutex_acquire(dev); 898 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 899 mt792x_mutex_release(dev); 900 901 return 0; 902 } 903 904 static int 905 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 906 struct ieee80211_ampdu_params *params) 907 { 908 enum ieee80211_ampdu_mlme_action action = params->action; 909 struct mt792x_dev *dev = mt792x_hw_dev(hw); 910 struct ieee80211_sta *sta = params->sta; 911 struct ieee80211_txq *txq = sta->txq[params->tid]; 912 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 913 u16 tid = params->tid; 914 u16 ssn = params->ssn; 915 struct mt76_txq *mtxq; 916 int ret = 0; 917 918 if (!txq) 919 return -EINVAL; 920 921 mtxq = (struct mt76_txq *)txq->drv_priv; 922 923 mt792x_mutex_acquire(dev); 924 switch (action) { 925 case IEEE80211_AMPDU_RX_START: 926 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 927 params->buf_size); 928 mt7921_mcu_uni_rx_ba(dev, params, true); 929 break; 930 case IEEE80211_AMPDU_RX_STOP: 931 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 932 mt7921_mcu_uni_rx_ba(dev, params, false); 933 break; 934 case IEEE80211_AMPDU_TX_OPERATIONAL: 935 mtxq->aggr = true; 936 mtxq->send_bar = false; 937 mt7921_mcu_uni_tx_ba(dev, params, true); 938 break; 939 case IEEE80211_AMPDU_TX_STOP_FLUSH: 940 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 941 mtxq->aggr = false; 942 clear_bit(tid, &msta->wcid.ampdu_state); 943 mt7921_mcu_uni_tx_ba(dev, params, false); 944 break; 945 case IEEE80211_AMPDU_TX_START: 946 set_bit(tid, &msta->wcid.ampdu_state); 947 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 948 break; 949 case IEEE80211_AMPDU_TX_STOP_CONT: 950 mtxq->aggr = false; 951 clear_bit(tid, &msta->wcid.ampdu_state); 952 mt7921_mcu_uni_tx_ba(dev, params, false); 953 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 954 break; 955 } 956 mt792x_mutex_release(dev); 957 958 return ret; 959 } 960 961 static int mt7921_sta_state(struct ieee80211_hw *hw, 962 struct ieee80211_vif *vif, 963 struct ieee80211_sta *sta, 964 enum ieee80211_sta_state old_state, 965 enum ieee80211_sta_state new_state) 966 { 967 struct mt792x_dev *dev = mt792x_hw_dev(hw); 968 969 if (dev->pm.ds_enable) { 970 mt792x_mutex_acquire(dev); 971 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 972 mt792x_mutex_release(dev); 973 } 974 975 return mt76_sta_state(hw, vif, sta, old_state, new_state); 976 } 977 978 void mt7921_scan_work(struct work_struct *work) 979 { 980 struct mt792x_phy *phy; 981 982 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 983 scan_work.work); 984 985 while (true) { 986 struct mt76_connac2_mcu_rxd *rxd; 987 struct sk_buff *skb; 988 989 spin_lock_bh(&phy->dev->mt76.lock); 990 skb = __skb_dequeue(&phy->scan_event_list); 991 spin_unlock_bh(&phy->dev->mt76.lock); 992 993 if (!skb) 994 break; 995 996 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 997 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 998 ieee80211_sched_scan_results(phy->mt76->hw); 999 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1000 &phy->mt76->state)) { 1001 struct cfg80211_scan_info info = { 1002 .aborted = false, 1003 }; 1004 1005 ieee80211_scan_completed(phy->mt76->hw, &info); 1006 } 1007 dev_kfree_skb(skb); 1008 } 1009 } 1010 1011 static int 1012 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1013 struct ieee80211_scan_request *req) 1014 { 1015 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1016 struct mt76_phy *mphy = hw->priv; 1017 int err; 1018 1019 mt792x_mutex_acquire(dev); 1020 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1021 mt792x_mutex_release(dev); 1022 1023 return err; 1024 } 1025 1026 static void 1027 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1028 { 1029 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1030 struct mt76_phy *mphy = hw->priv; 1031 1032 mt792x_mutex_acquire(dev); 1033 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1034 mt792x_mutex_release(dev); 1035 } 1036 1037 static int 1038 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1039 struct cfg80211_sched_scan_request *req, 1040 struct ieee80211_scan_ies *ies) 1041 { 1042 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1043 struct mt76_phy *mphy = hw->priv; 1044 int err; 1045 1046 mt792x_mutex_acquire(dev); 1047 1048 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1049 if (err < 0) 1050 goto out; 1051 1052 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1053 out: 1054 mt792x_mutex_release(dev); 1055 1056 return err; 1057 } 1058 1059 static int 1060 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1061 { 1062 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1063 struct mt76_phy *mphy = hw->priv; 1064 int err; 1065 1066 mt792x_mutex_acquire(dev); 1067 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1068 mt792x_mutex_release(dev); 1069 1070 return err; 1071 } 1072 1073 static int 1074 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1075 { 1076 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1077 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1078 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1079 1080 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1081 return -EINVAL; 1082 1083 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1084 return -EINVAL; 1085 1086 mt792x_mutex_acquire(dev); 1087 1088 phy->mt76->antenna_mask = tx_ant; 1089 phy->mt76->chainmask = tx_ant; 1090 1091 mt76_set_stream_caps(phy->mt76, true); 1092 mt7921_set_stream_he_caps(phy); 1093 1094 mt792x_mutex_release(dev); 1095 1096 return 0; 1097 } 1098 1099 #ifdef CONFIG_PM 1100 static int mt7921_suspend(struct ieee80211_hw *hw, 1101 struct cfg80211_wowlan *wowlan) 1102 { 1103 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1104 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1105 1106 cancel_delayed_work_sync(&phy->scan_work); 1107 cancel_delayed_work_sync(&phy->mt76->mac_work); 1108 1109 cancel_delayed_work_sync(&dev->pm.ps_work); 1110 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1111 1112 mt792x_mutex_acquire(dev); 1113 1114 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1115 ieee80211_iterate_active_interfaces(hw, 1116 IEEE80211_IFACE_ITER_RESUME_ALL, 1117 mt7921_mcu_set_suspend_iter, 1118 &dev->mphy); 1119 1120 mt792x_mutex_release(dev); 1121 1122 return 0; 1123 } 1124 1125 static int mt7921_resume(struct ieee80211_hw *hw) 1126 { 1127 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1128 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1129 1130 mt792x_mutex_acquire(dev); 1131 1132 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1133 ieee80211_iterate_active_interfaces(hw, 1134 IEEE80211_IFACE_ITER_RESUME_ALL, 1135 mt76_connac_mcu_set_suspend_iter, 1136 &dev->mphy); 1137 1138 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1139 MT792x_WATCHDOG_TIME); 1140 1141 mt792x_mutex_release(dev); 1142 1143 return 0; 1144 } 1145 1146 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1147 struct ieee80211_vif *vif, 1148 struct cfg80211_gtk_rekey_data *data) 1149 { 1150 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1151 1152 mt792x_mutex_acquire(dev); 1153 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1154 mt792x_mutex_release(dev); 1155 } 1156 #endif /* CONFIG_PM */ 1157 1158 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1159 struct ieee80211_vif *vif, 1160 struct ieee80211_sta *sta, 1161 bool enabled) 1162 { 1163 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1164 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1165 1166 mt792x_mutex_acquire(dev); 1167 1168 if (enabled) 1169 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1170 else 1171 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1172 1173 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1174 MCU_UNI_CMD(STA_REC_UPDATE)); 1175 1176 mt792x_mutex_release(dev); 1177 } 1178 1179 #if IS_ENABLED(CONFIG_IPV6) 1180 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1181 struct ieee80211_vif *vif, 1182 struct inet6_dev *idev) 1183 { 1184 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1185 struct mt792x_dev *dev = mvif->phy->dev; 1186 struct inet6_ifaddr *ifa; 1187 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1188 struct sk_buff *skb; 1189 u8 i, idx = 0; 1190 1191 struct { 1192 struct { 1193 u8 bss_idx; 1194 u8 pad[3]; 1195 } __packed hdr; 1196 struct mt76_connac_arpns_tlv arpns; 1197 } req_hdr = { 1198 .hdr = { 1199 .bss_idx = mvif->mt76.idx, 1200 }, 1201 .arpns = { 1202 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1203 .mode = 2, /* update */ 1204 .option = 1, /* update only */ 1205 }, 1206 }; 1207 1208 read_lock_bh(&idev->lock); 1209 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1210 if (ifa->flags & IFA_F_TENTATIVE) 1211 continue; 1212 ns_addrs[idx] = ifa->addr; 1213 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1214 break; 1215 } 1216 read_unlock_bh(&idev->lock); 1217 1218 if (!idx) 1219 return; 1220 1221 req_hdr.arpns.ips_num = idx; 1222 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1223 + idx * sizeof(struct in6_addr)); 1224 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1225 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1226 sizeof(req_hdr), GFP_ATOMIC); 1227 if (!skb) 1228 return; 1229 1230 for (i = 0; i < idx; i++) 1231 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1232 1233 skb_queue_tail(&dev->ipv6_ns_list, skb); 1234 1235 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1236 } 1237 #endif 1238 1239 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1240 const struct cfg80211_sar_specs *sar) 1241 { 1242 struct mt76_phy *mphy = hw->priv; 1243 1244 if (sar) { 1245 int err = mt76_init_sar_power(hw, sar); 1246 1247 if (err) 1248 return err; 1249 } 1250 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1251 1252 return mt76_connac_mcu_set_rate_txpower(mphy); 1253 } 1254 1255 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1256 const struct cfg80211_sar_specs *sar) 1257 { 1258 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1259 int err; 1260 1261 mt792x_mutex_acquire(dev); 1262 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1263 dev->country_ie_env); 1264 if (err < 0) 1265 goto out; 1266 1267 err = mt7921_set_tx_sar_pwr(hw, sar); 1268 out: 1269 mt792x_mutex_release(dev); 1270 1271 return err; 1272 } 1273 1274 static void 1275 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1276 struct ieee80211_vif *vif, 1277 struct cfg80211_chan_def *chandef) 1278 { 1279 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1280 1281 mt792x_mutex_acquire(dev); 1282 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1283 mt792x_mutex_release(dev); 1284 } 1285 1286 static int 1287 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1288 struct ieee80211_bss_conf *link_conf) 1289 { 1290 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1291 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1292 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1293 int err; 1294 1295 mt792x_mutex_acquire(dev); 1296 1297 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1298 true, mvif->mt76.ctx); 1299 if (err) 1300 goto out; 1301 1302 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1303 if (err) 1304 goto out; 1305 1306 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1307 MT76_STA_INFO_STATE_NONE); 1308 out: 1309 mt792x_mutex_release(dev); 1310 1311 return err; 1312 } 1313 1314 static void 1315 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1316 struct ieee80211_bss_conf *link_conf) 1317 { 1318 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1319 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1320 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1321 int err; 1322 1323 mt792x_mutex_acquire(dev); 1324 1325 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1326 if (err) 1327 goto out; 1328 1329 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1330 mvif->mt76.ctx); 1331 1332 out: 1333 mt792x_mutex_release(dev); 1334 } 1335 1336 static int 1337 mt7921_add_chanctx(struct ieee80211_hw *hw, 1338 struct ieee80211_chanctx_conf *ctx) 1339 { 1340 return 0; 1341 } 1342 1343 static void 1344 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1345 struct ieee80211_chanctx_conf *ctx) 1346 { 1347 } 1348 1349 static void mt7921_ctx_iter(void *priv, u8 *mac, 1350 struct ieee80211_vif *vif) 1351 { 1352 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1353 struct ieee80211_chanctx_conf *ctx = priv; 1354 1355 if (ctx != mvif->mt76.ctx) 1356 return; 1357 1358 if (vif->type == NL80211_IFTYPE_MONITOR) 1359 mt7921_mcu_config_sniffer(mvif, ctx); 1360 else 1361 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1362 } 1363 1364 static void 1365 mt7921_change_chanctx(struct ieee80211_hw *hw, 1366 struct ieee80211_chanctx_conf *ctx, 1367 u32 changed) 1368 { 1369 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1370 1371 mt792x_mutex_acquire(phy->dev); 1372 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1373 IEEE80211_IFACE_ITER_ACTIVE, 1374 mt7921_ctx_iter, ctx); 1375 mt792x_mutex_release(phy->dev); 1376 } 1377 1378 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1379 struct ieee80211_vif *vif, 1380 struct ieee80211_prep_tx_info *info) 1381 { 1382 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1383 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1384 u16 duration = info->duration ? info->duration : 1385 jiffies_to_msecs(HZ); 1386 1387 mt792x_mutex_acquire(dev); 1388 mt7921_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1389 MT7921_ROC_REQ_JOIN); 1390 mt792x_mutex_release(dev); 1391 } 1392 1393 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1394 struct ieee80211_vif *vif, 1395 struct ieee80211_prep_tx_info *info) 1396 { 1397 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1398 1399 mt7921_abort_roc(mvif->phy, mvif); 1400 } 1401 1402 const struct ieee80211_ops mt7921_ops = { 1403 .tx = mt792x_tx, 1404 .start = mt7921_start, 1405 .stop = mt7921_stop, 1406 .add_interface = mt7921_add_interface, 1407 .remove_interface = mt792x_remove_interface, 1408 .config = mt7921_config, 1409 .conf_tx = mt792x_conf_tx, 1410 .configure_filter = mt7921_configure_filter, 1411 .bss_info_changed = mt7921_bss_info_changed, 1412 .start_ap = mt7921_start_ap, 1413 .stop_ap = mt7921_stop_ap, 1414 .sta_state = mt7921_sta_state, 1415 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1416 .set_key = mt7921_set_key, 1417 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1418 #if IS_ENABLED(CONFIG_IPV6) 1419 .ipv6_addr_change = mt7921_ipv6_addr_change, 1420 #endif /* CONFIG_IPV6 */ 1421 .ampdu_action = mt7921_ampdu_action, 1422 .set_rts_threshold = mt7921_set_rts_threshold, 1423 .wake_tx_queue = mt76_wake_tx_queue, 1424 .release_buffered_frames = mt76_release_buffered_frames, 1425 .channel_switch_beacon = mt7921_channel_switch_beacon, 1426 .get_txpower = mt76_get_txpower, 1427 .get_stats = mt792x_get_stats, 1428 .get_et_sset_count = mt792x_get_et_sset_count, 1429 .get_et_strings = mt792x_get_et_strings, 1430 .get_et_stats = mt792x_get_et_stats, 1431 .get_tsf = mt792x_get_tsf, 1432 .set_tsf = mt792x_set_tsf, 1433 .get_survey = mt76_get_survey, 1434 .get_antenna = mt76_get_antenna, 1435 .set_antenna = mt7921_set_antenna, 1436 .set_coverage_class = mt792x_set_coverage_class, 1437 .hw_scan = mt7921_hw_scan, 1438 .cancel_hw_scan = mt7921_cancel_hw_scan, 1439 .sta_statistics = mt792x_sta_statistics, 1440 .sched_scan_start = mt7921_start_sched_scan, 1441 .sched_scan_stop = mt7921_stop_sched_scan, 1442 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1443 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1444 #ifdef CONFIG_PM 1445 .suspend = mt7921_suspend, 1446 .resume = mt7921_resume, 1447 .set_wakeup = mt792x_set_wakeup, 1448 .set_rekey_data = mt7921_set_rekey_data, 1449 #endif /* CONFIG_PM */ 1450 .flush = mt792x_flush, 1451 .set_sar_specs = mt7921_set_sar_specs, 1452 .remain_on_channel = mt7921_remain_on_channel, 1453 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1454 .add_chanctx = mt7921_add_chanctx, 1455 .remove_chanctx = mt7921_remove_chanctx, 1456 .change_chanctx = mt7921_change_chanctx, 1457 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1458 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1459 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1460 .mgd_complete_tx = mt7921_mgd_complete_tx, 1461 }; 1462 EXPORT_SYMBOL_GPL(mt7921_ops); 1463 1464 MODULE_DESCRIPTION("MediaTek MT7921 core driver"); 1465 MODULE_LICENSE("Dual BSD/GPL"); 1466 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1467