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, bool suspend) 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, false); 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->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask); 299 if (mvif->bss_conf.mt76.idx >= MT792x_MAX_INTERFACES) { 300 ret = -ENOSPC; 301 goto out; 302 } 303 304 mvif->bss_conf.mt76.omac_idx = mvif->bss_conf.mt76.idx; 305 mvif->phy = phy; 306 mvif->bss_conf.vif = mvif; 307 mvif->bss_conf.mt76.band_idx = 0; 308 mvif->bss_conf.mt76.wmm_idx = mvif->bss_conf.mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 309 310 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, &vif->bss_conf, 311 &mvif->sta.deflink.wcid, true); 312 if (ret) 313 goto out; 314 315 dev->mt76.vif_mask |= BIT_ULL(mvif->bss_conf.mt76.idx); 316 phy->omac_mask |= BIT_ULL(mvif->bss_conf.mt76.omac_idx); 317 318 idx = MT792x_WTBL_RESERVED - mvif->bss_conf.mt76.idx; 319 320 INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list); 321 mvif->sta.deflink.wcid.idx = idx; 322 mvif->sta.deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx; 323 mvif->sta.deflink.wcid.hw_key_idx = -1; 324 mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; 325 mt76_wcid_init(&mvif->sta.deflink.wcid); 326 327 mt7921_mac_wtbl_update(dev, idx, 328 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 329 330 ewma_rssi_init(&mvif->bss_conf.rssi); 331 332 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.deflink.wcid); 333 if (vif->txq) { 334 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 335 mtxq->wcid = idx; 336 } 337 338 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 339 if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN) 340 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI; 341 out: 342 mt792x_mutex_release(dev); 343 344 return ret; 345 } 346 347 static void mt7921_roc_iter(void *priv, u8 *mac, 348 struct ieee80211_vif *vif) 349 { 350 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 351 struct mt792x_phy *phy = priv; 352 353 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 354 } 355 356 void mt7921_roc_abort_sync(struct mt792x_dev *dev) 357 { 358 struct mt792x_phy *phy = &dev->phy; 359 360 del_timer_sync(&phy->roc_timer); 361 cancel_work_sync(&phy->roc_work); 362 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 363 ieee80211_iterate_active_interfaces(mt76_hw(dev), 364 IEEE80211_IFACE_ITER_RESUME_ALL, 365 mt7921_roc_iter, (void *)phy); 366 } 367 EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync); 368 369 void mt7921_roc_work(struct work_struct *work) 370 { 371 struct mt792x_phy *phy; 372 373 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 374 roc_work); 375 376 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 377 return; 378 379 mt792x_mutex_acquire(phy->dev); 380 ieee80211_iterate_active_interfaces(phy->mt76->hw, 381 IEEE80211_IFACE_ITER_RESUME_ALL, 382 mt7921_roc_iter, phy); 383 mt792x_mutex_release(phy->dev); 384 ieee80211_remain_on_channel_expired(phy->mt76->hw); 385 } 386 387 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 388 { 389 int err = 0; 390 391 del_timer_sync(&phy->roc_timer); 392 cancel_work_sync(&phy->roc_work); 393 394 mt792x_mutex_acquire(phy->dev); 395 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 396 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 397 mt792x_mutex_release(phy->dev); 398 399 return err; 400 } 401 402 static int mt7921_set_roc(struct mt792x_phy *phy, 403 struct mt792x_vif *vif, 404 struct ieee80211_channel *chan, 405 int duration, 406 enum mt7921_roc_req type) 407 { 408 int err; 409 410 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 411 return -EBUSY; 412 413 phy->roc_grant = false; 414 415 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 416 ++phy->roc_token_id); 417 if (err < 0) { 418 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 419 goto out; 420 } 421 422 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 423 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 424 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 425 err = -ETIMEDOUT; 426 } 427 428 out: 429 return err; 430 } 431 432 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 433 struct ieee80211_vif *vif, 434 struct ieee80211_channel *chan, 435 int duration, 436 enum ieee80211_roc_type type) 437 { 438 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 439 struct mt792x_phy *phy = mt792x_hw_phy(hw); 440 int err; 441 442 mt792x_mutex_acquire(phy->dev); 443 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 444 mt792x_mutex_release(phy->dev); 445 446 return err; 447 } 448 449 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 450 struct ieee80211_vif *vif) 451 { 452 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 453 struct mt792x_phy *phy = mt792x_hw_phy(hw); 454 455 return mt7921_abort_roc(phy, mvif); 456 } 457 458 int mt7921_set_channel(struct mt76_phy *mphy) 459 { 460 struct mt792x_phy *phy = mphy->priv; 461 struct mt792x_dev *dev = phy->dev; 462 int ret; 463 464 mt76_connac_pm_wake(mphy, &dev->pm); 465 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 466 if (ret) 467 goto out; 468 469 mt792x_mac_set_timeing(phy); 470 mt792x_mac_reset_counters(phy); 471 phy->noise = 0; 472 473 out: 474 mt76_connac_power_save_sched(mphy, &dev->pm); 475 476 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 477 MT792x_WATCHDOG_TIME); 478 479 return ret; 480 } 481 EXPORT_SYMBOL_GPL(mt7921_set_channel); 482 483 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 484 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 485 struct ieee80211_key_conf *key) 486 { 487 struct mt792x_dev *dev = mt792x_hw_dev(hw); 488 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 489 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 490 &mvif->sta; 491 struct mt76_wcid *wcid = &msta->deflink.wcid; 492 u8 *wcid_keyidx = &wcid->hw_key_idx; 493 int idx = key->keyidx, err = 0; 494 495 /* The hardware does not support per-STA RX GTK, fallback 496 * to software mode for these. 497 */ 498 if ((vif->type == NL80211_IFTYPE_ADHOC || 499 vif->type == NL80211_IFTYPE_MESH_POINT) && 500 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 501 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 502 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 503 return -EOPNOTSUPP; 504 505 /* fall back to sw encryption for unsupported ciphers */ 506 switch (key->cipher) { 507 case WLAN_CIPHER_SUITE_AES_CMAC: 508 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 509 wcid_keyidx = &wcid->hw_key_idx2; 510 break; 511 case WLAN_CIPHER_SUITE_WEP40: 512 case WLAN_CIPHER_SUITE_WEP104: 513 if (!mvif->wep_sta) 514 return -EOPNOTSUPP; 515 break; 516 case WLAN_CIPHER_SUITE_TKIP: 517 case WLAN_CIPHER_SUITE_CCMP: 518 case WLAN_CIPHER_SUITE_CCMP_256: 519 case WLAN_CIPHER_SUITE_GCMP: 520 case WLAN_CIPHER_SUITE_GCMP_256: 521 case WLAN_CIPHER_SUITE_SMS4: 522 break; 523 default: 524 return -EOPNOTSUPP; 525 } 526 527 mt792x_mutex_acquire(dev); 528 529 if (cmd == SET_KEY) { 530 *wcid_keyidx = idx; 531 } else { 532 if (idx == *wcid_keyidx) 533 *wcid_keyidx = -1; 534 goto out; 535 } 536 537 mt76_wcid_key_setup(&dev->mt76, wcid, key); 538 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip, 539 key, MCU_UNI_CMD(STA_REC_UPDATE), 540 &msta->deflink.wcid, cmd); 541 if (err) 542 goto out; 543 544 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 545 key->cipher == WLAN_CIPHER_SUITE_WEP40) 546 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 547 &mvif->wep_sta->deflink.bip, 548 key, MCU_UNI_CMD(STA_REC_UPDATE), 549 &mvif->wep_sta->deflink.wcid, cmd); 550 out: 551 mt792x_mutex_release(dev); 552 553 return err; 554 } 555 556 static void 557 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 558 { 559 struct mt792x_dev *dev = priv; 560 struct ieee80211_hw *hw = mt76_hw(dev); 561 bool pm_enable = dev->pm.enable; 562 int err; 563 564 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 565 if (err < 0) 566 return; 567 568 if (pm_enable) { 569 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 570 ieee80211_hw_set(hw, CONNECTION_MONITOR); 571 } else { 572 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 573 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 574 } 575 } 576 577 static void 578 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 579 { 580 struct mt792x_dev *dev = priv; 581 struct ieee80211_hw *hw = mt76_hw(dev); 582 struct mt76_connac_pm *pm = &dev->pm; 583 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 584 585 mt7921_mcu_set_sniffer(dev, vif, monitor); 586 pm->enable = pm->enable_user && !monitor; 587 pm->ds_enable = pm->ds_enable_user && !monitor; 588 589 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 590 591 if (monitor) 592 mt7921_mcu_set_beacon_filter(dev, vif, false); 593 } 594 595 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 596 { 597 struct ieee80211_hw *hw = mt76_hw(dev); 598 struct mt76_connac_pm *pm = &dev->pm; 599 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 600 601 pm->enable = pm->enable_user && !monitor; 602 ieee80211_iterate_active_interfaces(hw, 603 IEEE80211_IFACE_ITER_RESUME_ALL, 604 mt7921_pm_interface_iter, dev); 605 pm->ds_enable = pm->ds_enable_user && !monitor; 606 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 607 } 608 609 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 610 { 611 struct mt792x_dev *dev = mt792x_hw_dev(hw); 612 struct mt792x_phy *phy = mt792x_hw_phy(hw); 613 int ret = 0; 614 615 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 616 ret = mt76_update_channel(phy->mt76); 617 if (ret) 618 return ret; 619 } 620 621 mt792x_mutex_acquire(dev); 622 623 if (changed & IEEE80211_CONF_CHANGE_POWER) { 624 ret = mt7921_set_tx_sar_pwr(hw, NULL); 625 if (ret) 626 goto out; 627 } 628 629 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 630 ieee80211_iterate_active_interfaces(hw, 631 IEEE80211_IFACE_ITER_RESUME_ALL, 632 mt7921_sniffer_interface_iter, dev); 633 } 634 635 out: 636 mt792x_mutex_release(dev); 637 638 return ret; 639 } 640 641 static void mt7921_configure_filter(struct ieee80211_hw *hw, 642 unsigned int changed_flags, 643 unsigned int *total_flags, 644 u64 multicast) 645 { 646 #define MT7921_FILTER_FCSFAIL BIT(2) 647 #define MT7921_FILTER_CONTROL BIT(5) 648 #define MT7921_FILTER_OTHER_BSS BIT(6) 649 #define MT7921_FILTER_ENABLE BIT(31) 650 651 struct mt792x_dev *dev = mt792x_hw_dev(hw); 652 u32 flags = MT7921_FILTER_ENABLE; 653 654 #define MT7921_FILTER(_fif, _type) do { \ 655 if (*total_flags & (_fif)) \ 656 flags |= MT7921_FILTER_##_type; \ 657 } while (0) 658 659 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 660 MT7921_FILTER(FIF_CONTROL, CONTROL); 661 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 662 663 mt792x_mutex_acquire(dev); 664 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 665 mt792x_mutex_release(dev); 666 667 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 668 } 669 670 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 671 struct ieee80211_vif *vif, 672 struct ieee80211_bss_conf *info, 673 u64 changed) 674 { 675 struct mt792x_phy *phy = mt792x_hw_phy(hw); 676 struct mt792x_dev *dev = mt792x_hw_dev(hw); 677 678 mt792x_mutex_acquire(dev); 679 680 if (changed & BSS_CHANGED_ERP_SLOT) { 681 int slottime = info->use_short_slot ? 9 : 20; 682 683 if (slottime != phy->slottime) { 684 phy->slottime = slottime; 685 mt792x_mac_set_timeing(phy); 686 } 687 } 688 689 if (changed & (BSS_CHANGED_BEACON | 690 BSS_CHANGED_BEACON_ENABLED)) 691 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 692 info->enable_beacon); 693 694 /* ensure that enable txcmd_mode after bss_info */ 695 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 696 mt7921_mcu_set_tx(dev, vif); 697 698 if (changed & BSS_CHANGED_PS) 699 mt7921_mcu_uni_bss_ps(dev, vif); 700 701 if (changed & BSS_CHANGED_CQM) 702 mt7921_mcu_set_rssimonitor(dev, vif); 703 704 if (changed & BSS_CHANGED_ASSOC) { 705 mt7921_mcu_sta_update(dev, NULL, vif, true, 706 MT76_STA_INFO_STATE_ASSOC); 707 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 708 } 709 710 if (changed & BSS_CHANGED_ARP_FILTER) { 711 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 712 713 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76, 714 info); 715 } 716 717 mt792x_mutex_release(dev); 718 } 719 720 static void 721 mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 722 { 723 u32 *num = priv; 724 725 if (!priv) 726 return; 727 728 switch (vif->type) { 729 case NL80211_IFTYPE_STATION: 730 case NL80211_IFTYPE_P2P_CLIENT: 731 case NL80211_IFTYPE_AP: 732 case NL80211_IFTYPE_P2P_GO: 733 *num += 1; 734 break; 735 default: 736 break; 737 } 738 } 739 740 static void 741 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 742 { 743 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 744 struct mt792x_phy *phy = mvif->phy; 745 struct mt792x_dev *dev = phy->dev; 746 u32 valid_vif_num = 0; 747 748 ieee80211_iterate_active_interfaces(mt76_hw(dev), 749 IEEE80211_IFACE_ITER_RESUME_ALL, 750 mt7921_calc_vif_num, &valid_vif_num); 751 752 if (valid_vif_num > 1) { 753 phy->power_type = MT_AP_DEFAULT; 754 goto out; 755 } 756 757 if (!is_add) 758 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 759 760 switch (vif->bss_conf.power_type) { 761 case IEEE80211_REG_SP_AP: 762 phy->power_type = MT_AP_SP; 763 break; 764 case IEEE80211_REG_VLP_AP: 765 phy->power_type = MT_AP_VLP; 766 break; 767 case IEEE80211_REG_LPI_AP: 768 phy->power_type = MT_AP_LPI; 769 break; 770 case IEEE80211_REG_UNSET_AP: 771 phy->power_type = MT_AP_UNSET; 772 break; 773 default: 774 phy->power_type = MT_AP_DEFAULT; 775 break; 776 } 777 778 out: 779 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 780 } 781 782 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 783 struct ieee80211_sta *sta) 784 { 785 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 786 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 787 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 788 int ret, idx; 789 790 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 791 if (idx < 0) 792 return -ENOSPC; 793 794 INIT_LIST_HEAD(&msta->deflink.wcid.poll_list); 795 msta->vif = mvif; 796 msta->deflink.wcid.sta = 1; 797 msta->deflink.wcid.idx = idx; 798 msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx; 799 msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; 800 msta->deflink.last_txs = jiffies; 801 802 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 803 if (ret) 804 return ret; 805 806 if (vif->type == NL80211_IFTYPE_STATION) 807 mvif->wep_sta = msta; 808 809 mt7921_mac_wtbl_update(dev, idx, 810 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 811 812 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 813 MT76_STA_INFO_STATE_NONE); 814 if (ret) 815 return ret; 816 817 mt7921_regd_set_6ghz_power_type(vif, true); 818 819 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 820 821 return 0; 822 } 823 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 824 825 int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 826 struct ieee80211_sta *sta, enum mt76_sta_event ev) 827 { 828 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 829 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 830 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 831 832 if (ev != MT76_STA_EVENT_ASSOC) 833 return 0; 834 835 mt792x_mutex_acquire(dev); 836 837 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 838 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid, 839 true, mvif->bss_conf.mt76.ctx); 840 841 ewma_avg_signal_init(&msta->deflink.avg_ack_signal); 842 843 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 844 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 845 memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac)); 846 847 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 848 849 mt792x_mutex_release(dev); 850 851 return 0; 852 } 853 EXPORT_SYMBOL_GPL(mt7921_mac_sta_event); 854 855 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 856 struct ieee80211_sta *sta) 857 { 858 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 859 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 860 861 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid); 862 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 863 864 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 865 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 866 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 867 868 if (vif->type == NL80211_IFTYPE_STATION) { 869 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 870 871 mvif->wep_sta = NULL; 872 ewma_rssi_init(&mvif->bss_conf.rssi); 873 if (!sta->tdls) 874 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 875 &mvif->sta.deflink.wcid, false, 876 mvif->bss_conf.mt76.ctx); 877 } 878 879 spin_lock_bh(&dev->mt76.sta_poll_lock); 880 if (!list_empty(&msta->deflink.wcid.poll_list)) 881 list_del_init(&msta->deflink.wcid.poll_list); 882 spin_unlock_bh(&dev->mt76.sta_poll_lock); 883 884 mt7921_regd_set_6ghz_power_type(vif, false); 885 886 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 887 } 888 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 889 890 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 891 { 892 struct mt792x_dev *dev = mt792x_hw_dev(hw); 893 894 mt792x_mutex_acquire(dev); 895 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 896 mt792x_mutex_release(dev); 897 898 return 0; 899 } 900 901 static int 902 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 903 struct ieee80211_ampdu_params *params) 904 { 905 enum ieee80211_ampdu_mlme_action action = params->action; 906 struct mt792x_dev *dev = mt792x_hw_dev(hw); 907 struct ieee80211_sta *sta = params->sta; 908 struct ieee80211_txq *txq = sta->txq[params->tid]; 909 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 910 u16 tid = params->tid; 911 u16 ssn = params->ssn; 912 struct mt76_txq *mtxq; 913 int ret = 0; 914 915 if (!txq) 916 return -EINVAL; 917 918 mtxq = (struct mt76_txq *)txq->drv_priv; 919 920 mt792x_mutex_acquire(dev); 921 switch (action) { 922 case IEEE80211_AMPDU_RX_START: 923 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 924 params->buf_size); 925 mt7921_mcu_uni_rx_ba(dev, params, true); 926 break; 927 case IEEE80211_AMPDU_RX_STOP: 928 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 929 mt7921_mcu_uni_rx_ba(dev, params, false); 930 break; 931 case IEEE80211_AMPDU_TX_OPERATIONAL: 932 mtxq->aggr = true; 933 mtxq->send_bar = false; 934 mt7921_mcu_uni_tx_ba(dev, params, true); 935 break; 936 case IEEE80211_AMPDU_TX_STOP_FLUSH: 937 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 938 mtxq->aggr = false; 939 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 940 mt7921_mcu_uni_tx_ba(dev, params, false); 941 break; 942 case IEEE80211_AMPDU_TX_START: 943 set_bit(tid, &msta->deflink.wcid.ampdu_state); 944 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 945 break; 946 case IEEE80211_AMPDU_TX_STOP_CONT: 947 mtxq->aggr = false; 948 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 949 mt7921_mcu_uni_tx_ba(dev, params, false); 950 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 951 break; 952 } 953 mt792x_mutex_release(dev); 954 955 return ret; 956 } 957 958 static int mt7921_sta_state(struct ieee80211_hw *hw, 959 struct ieee80211_vif *vif, 960 struct ieee80211_sta *sta, 961 enum ieee80211_sta_state old_state, 962 enum ieee80211_sta_state new_state) 963 { 964 struct mt792x_dev *dev = mt792x_hw_dev(hw); 965 966 if (dev->pm.ds_enable) { 967 mt792x_mutex_acquire(dev); 968 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 969 mt792x_mutex_release(dev); 970 } 971 972 return mt76_sta_state(hw, vif, sta, old_state, new_state); 973 } 974 975 void mt7921_scan_work(struct work_struct *work) 976 { 977 struct mt792x_phy *phy; 978 979 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 980 scan_work.work); 981 982 while (true) { 983 struct mt76_connac2_mcu_rxd *rxd; 984 struct sk_buff *skb; 985 986 spin_lock_bh(&phy->dev->mt76.lock); 987 skb = __skb_dequeue(&phy->scan_event_list); 988 spin_unlock_bh(&phy->dev->mt76.lock); 989 990 if (!skb) 991 break; 992 993 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 994 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 995 ieee80211_sched_scan_results(phy->mt76->hw); 996 } else if (test_and_clear_bit(MT76_HW_SCANNING, 997 &phy->mt76->state)) { 998 struct cfg80211_scan_info info = { 999 .aborted = false, 1000 }; 1001 1002 ieee80211_scan_completed(phy->mt76->hw, &info); 1003 } 1004 dev_kfree_skb(skb); 1005 } 1006 } 1007 1008 static int 1009 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1010 struct ieee80211_scan_request *req) 1011 { 1012 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1013 struct mt76_phy *mphy = hw->priv; 1014 int err; 1015 1016 mt792x_mutex_acquire(dev); 1017 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1018 mt792x_mutex_release(dev); 1019 1020 return err; 1021 } 1022 1023 static void 1024 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1025 { 1026 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1027 struct mt76_phy *mphy = hw->priv; 1028 1029 mt792x_mutex_acquire(dev); 1030 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1031 mt792x_mutex_release(dev); 1032 } 1033 1034 static int 1035 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1036 struct cfg80211_sched_scan_request *req, 1037 struct ieee80211_scan_ies *ies) 1038 { 1039 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1040 struct mt76_phy *mphy = hw->priv; 1041 int err; 1042 1043 mt792x_mutex_acquire(dev); 1044 1045 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1046 if (err < 0) 1047 goto out; 1048 1049 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1050 out: 1051 mt792x_mutex_release(dev); 1052 1053 return err; 1054 } 1055 1056 static int 1057 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1058 { 1059 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1060 struct mt76_phy *mphy = hw->priv; 1061 int err; 1062 1063 mt792x_mutex_acquire(dev); 1064 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1065 mt792x_mutex_release(dev); 1066 1067 return err; 1068 } 1069 1070 static int 1071 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1072 { 1073 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1074 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1075 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1076 1077 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1078 return -EINVAL; 1079 1080 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1081 return -EINVAL; 1082 1083 mt792x_mutex_acquire(dev); 1084 1085 phy->mt76->antenna_mask = tx_ant; 1086 phy->mt76->chainmask = tx_ant; 1087 1088 mt76_set_stream_caps(phy->mt76, true); 1089 mt7921_set_stream_he_caps(phy); 1090 1091 mt792x_mutex_release(dev); 1092 1093 return 0; 1094 } 1095 1096 #ifdef CONFIG_PM 1097 static int mt7921_suspend(struct ieee80211_hw *hw, 1098 struct cfg80211_wowlan *wowlan) 1099 { 1100 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1101 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1102 1103 cancel_delayed_work_sync(&phy->scan_work); 1104 cancel_delayed_work_sync(&phy->mt76->mac_work); 1105 1106 cancel_delayed_work_sync(&dev->pm.ps_work); 1107 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1108 1109 mt792x_mutex_acquire(dev); 1110 1111 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1112 ieee80211_iterate_active_interfaces(hw, 1113 IEEE80211_IFACE_ITER_RESUME_ALL, 1114 mt7921_mcu_set_suspend_iter, 1115 &dev->mphy); 1116 1117 mt792x_mutex_release(dev); 1118 1119 return 0; 1120 } 1121 1122 static int mt7921_resume(struct ieee80211_hw *hw) 1123 { 1124 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1125 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1126 1127 mt792x_mutex_acquire(dev); 1128 1129 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1130 ieee80211_iterate_active_interfaces(hw, 1131 IEEE80211_IFACE_ITER_RESUME_ALL, 1132 mt76_connac_mcu_set_suspend_iter, 1133 &dev->mphy); 1134 1135 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1136 MT792x_WATCHDOG_TIME); 1137 1138 mt792x_mutex_release(dev); 1139 1140 return 0; 1141 } 1142 1143 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1144 struct ieee80211_vif *vif, 1145 struct cfg80211_gtk_rekey_data *data) 1146 { 1147 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1148 1149 mt792x_mutex_acquire(dev); 1150 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1151 mt792x_mutex_release(dev); 1152 } 1153 #endif /* CONFIG_PM */ 1154 1155 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1156 struct ieee80211_vif *vif, 1157 struct ieee80211_sta *sta, 1158 bool enabled) 1159 { 1160 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1161 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1162 1163 mt792x_mutex_acquire(dev); 1164 1165 if (enabled) 1166 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1167 else 1168 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1169 1170 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid, 1171 MCU_UNI_CMD(STA_REC_UPDATE)); 1172 1173 mt792x_mutex_release(dev); 1174 } 1175 1176 #if IS_ENABLED(CONFIG_IPV6) 1177 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1178 struct ieee80211_vif *vif, 1179 struct inet6_dev *idev) 1180 { 1181 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1182 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1183 struct inet6_ifaddr *ifa; 1184 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1185 struct sk_buff *skb; 1186 u8 i, idx = 0; 1187 1188 struct { 1189 struct { 1190 u8 bss_idx; 1191 u8 pad[3]; 1192 } __packed hdr; 1193 struct mt76_connac_arpns_tlv arpns; 1194 } req_hdr = { 1195 .hdr = { 1196 .bss_idx = mvif->bss_conf.mt76.idx, 1197 }, 1198 .arpns = { 1199 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1200 .mode = 2, /* update */ 1201 .option = 1, /* update only */ 1202 }, 1203 }; 1204 1205 read_lock_bh(&idev->lock); 1206 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1207 if (ifa->flags & IFA_F_TENTATIVE) 1208 continue; 1209 ns_addrs[idx] = ifa->addr; 1210 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1211 break; 1212 } 1213 read_unlock_bh(&idev->lock); 1214 1215 if (!idx) 1216 return; 1217 1218 req_hdr.arpns.ips_num = idx; 1219 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1220 + idx * sizeof(struct in6_addr)); 1221 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1222 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1223 sizeof(req_hdr), GFP_ATOMIC); 1224 if (!skb) 1225 return; 1226 1227 for (i = 0; i < idx; i++) 1228 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1229 1230 skb_queue_tail(&dev->ipv6_ns_list, skb); 1231 1232 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1233 } 1234 #endif 1235 1236 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1237 const struct cfg80211_sar_specs *sar) 1238 { 1239 struct mt76_phy *mphy = hw->priv; 1240 1241 if (sar) { 1242 int err = mt76_init_sar_power(hw, sar); 1243 1244 if (err) 1245 return err; 1246 } 1247 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1248 1249 return mt76_connac_mcu_set_rate_txpower(mphy); 1250 } 1251 1252 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1253 const struct cfg80211_sar_specs *sar) 1254 { 1255 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1256 int err; 1257 1258 mt792x_mutex_acquire(dev); 1259 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1260 dev->country_ie_env); 1261 if (err < 0) 1262 goto out; 1263 1264 err = mt7921_set_tx_sar_pwr(hw, sar); 1265 out: 1266 mt792x_mutex_release(dev); 1267 1268 return err; 1269 } 1270 1271 static void 1272 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1273 struct ieee80211_vif *vif, 1274 struct cfg80211_chan_def *chandef) 1275 { 1276 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1277 1278 mt792x_mutex_acquire(dev); 1279 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1280 mt792x_mutex_release(dev); 1281 } 1282 1283 static int 1284 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1285 struct ieee80211_bss_conf *link_conf) 1286 { 1287 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1288 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1289 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1290 int err; 1291 1292 mt792x_mutex_acquire(dev); 1293 1294 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, 1295 true, mvif->bss_conf.mt76.ctx); 1296 if (err) 1297 goto out; 1298 1299 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1300 if (err) 1301 goto out; 1302 1303 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1304 MT76_STA_INFO_STATE_NONE); 1305 out: 1306 mt792x_mutex_release(dev); 1307 1308 return err; 1309 } 1310 1311 static void 1312 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1313 struct ieee80211_bss_conf *link_conf) 1314 { 1315 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1316 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1317 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1318 int err; 1319 1320 mt792x_mutex_acquire(dev); 1321 1322 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1323 if (err) 1324 goto out; 1325 1326 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false, 1327 mvif->bss_conf.mt76.ctx); 1328 1329 out: 1330 mt792x_mutex_release(dev); 1331 } 1332 1333 static int 1334 mt7921_add_chanctx(struct ieee80211_hw *hw, 1335 struct ieee80211_chanctx_conf *ctx) 1336 { 1337 return 0; 1338 } 1339 1340 static void 1341 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1342 struct ieee80211_chanctx_conf *ctx) 1343 { 1344 } 1345 1346 static void 1347 mt7921_change_chanctx(struct ieee80211_hw *hw, 1348 struct ieee80211_chanctx_conf *ctx, 1349 u32 changed) 1350 { 1351 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1352 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1353 struct ieee80211_vif *vif; 1354 struct mt792x_vif *mvif; 1355 1356 if (!mctx->bss_conf) 1357 return; 1358 1359 mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf); 1360 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1361 1362 mt792x_mutex_acquire(phy->dev); 1363 if (vif->type == NL80211_IFTYPE_MONITOR) 1364 mt7921_mcu_config_sniffer(mvif, ctx); 1365 else 1366 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx); 1367 mt792x_mutex_release(phy->dev); 1368 } 1369 1370 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1371 struct ieee80211_vif *vif, 1372 struct ieee80211_prep_tx_info *info) 1373 { 1374 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1375 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1376 u16 duration = info->duration ? info->duration : 1377 jiffies_to_msecs(HZ); 1378 1379 mt792x_mutex_acquire(dev); 1380 mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration, 1381 MT7921_ROC_REQ_JOIN); 1382 mt792x_mutex_release(dev); 1383 } 1384 1385 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1386 struct ieee80211_vif *vif, 1387 struct ieee80211_prep_tx_info *info) 1388 { 1389 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1390 1391 mt7921_abort_roc(mvif->phy, mvif); 1392 } 1393 1394 const struct ieee80211_ops mt7921_ops = { 1395 .tx = mt792x_tx, 1396 .start = mt7921_start, 1397 .stop = mt7921_stop, 1398 .add_interface = mt7921_add_interface, 1399 .remove_interface = mt792x_remove_interface, 1400 .config = mt7921_config, 1401 .conf_tx = mt792x_conf_tx, 1402 .configure_filter = mt7921_configure_filter, 1403 .bss_info_changed = mt7921_bss_info_changed, 1404 .start_ap = mt7921_start_ap, 1405 .stop_ap = mt7921_stop_ap, 1406 .sta_state = mt7921_sta_state, 1407 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1408 .set_key = mt7921_set_key, 1409 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1410 #if IS_ENABLED(CONFIG_IPV6) 1411 .ipv6_addr_change = mt7921_ipv6_addr_change, 1412 #endif /* CONFIG_IPV6 */ 1413 .ampdu_action = mt7921_ampdu_action, 1414 .set_rts_threshold = mt7921_set_rts_threshold, 1415 .wake_tx_queue = mt76_wake_tx_queue, 1416 .release_buffered_frames = mt76_release_buffered_frames, 1417 .channel_switch_beacon = mt7921_channel_switch_beacon, 1418 .get_txpower = mt76_get_txpower, 1419 .get_stats = mt792x_get_stats, 1420 .get_et_sset_count = mt792x_get_et_sset_count, 1421 .get_et_strings = mt792x_get_et_strings, 1422 .get_et_stats = mt792x_get_et_stats, 1423 .get_tsf = mt792x_get_tsf, 1424 .set_tsf = mt792x_set_tsf, 1425 .get_survey = mt76_get_survey, 1426 .get_antenna = mt76_get_antenna, 1427 .set_antenna = mt7921_set_antenna, 1428 .set_coverage_class = mt792x_set_coverage_class, 1429 .hw_scan = mt7921_hw_scan, 1430 .cancel_hw_scan = mt7921_cancel_hw_scan, 1431 .sta_statistics = mt792x_sta_statistics, 1432 .sched_scan_start = mt7921_start_sched_scan, 1433 .sched_scan_stop = mt7921_stop_sched_scan, 1434 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1435 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1436 #ifdef CONFIG_PM 1437 .suspend = mt7921_suspend, 1438 .resume = mt7921_resume, 1439 .set_wakeup = mt792x_set_wakeup, 1440 .set_rekey_data = mt7921_set_rekey_data, 1441 #endif /* CONFIG_PM */ 1442 .flush = mt792x_flush, 1443 .set_sar_specs = mt7921_set_sar_specs, 1444 .remain_on_channel = mt7921_remain_on_channel, 1445 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1446 .add_chanctx = mt7921_add_chanctx, 1447 .remove_chanctx = mt7921_remove_chanctx, 1448 .change_chanctx = mt7921_change_chanctx, 1449 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1450 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1451 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1452 .mgd_complete_tx = mt7921_mgd_complete_tx, 1453 }; 1454 EXPORT_SYMBOL_GPL(mt7921_ops); 1455 1456 MODULE_DESCRIPTION("MediaTek MT7921 core driver"); 1457 MODULE_LICENSE("Dual BSD/GPL"); 1458 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1459