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 static int mt7921_set_channel(struct mt792x_phy *phy) 459 { 460 struct mt792x_dev *dev = phy->dev; 461 int ret; 462 463 cancel_delayed_work_sync(&phy->mt76->mac_work); 464 465 mt792x_mutex_acquire(dev); 466 set_bit(MT76_RESET, &phy->mt76->state); 467 468 mt76_set_channel(phy->mt76); 469 470 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 471 if (ret) 472 goto out; 473 474 mt792x_mac_set_timeing(phy); 475 476 mt792x_mac_reset_counters(phy); 477 phy->noise = 0; 478 479 out: 480 clear_bit(MT76_RESET, &phy->mt76->state); 481 mt792x_mutex_release(dev); 482 483 mt76_worker_schedule(&dev->mt76.tx_worker); 484 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 485 MT792x_WATCHDOG_TIME); 486 487 return ret; 488 } 489 490 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 491 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 492 struct ieee80211_key_conf *key) 493 { 494 struct mt792x_dev *dev = mt792x_hw_dev(hw); 495 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 496 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 497 &mvif->sta; 498 struct mt76_wcid *wcid = &msta->deflink.wcid; 499 u8 *wcid_keyidx = &wcid->hw_key_idx; 500 int idx = key->keyidx, err = 0; 501 502 /* The hardware does not support per-STA RX GTK, fallback 503 * to software mode for these. 504 */ 505 if ((vif->type == NL80211_IFTYPE_ADHOC || 506 vif->type == NL80211_IFTYPE_MESH_POINT) && 507 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 508 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 509 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 510 return -EOPNOTSUPP; 511 512 /* fall back to sw encryption for unsupported ciphers */ 513 switch (key->cipher) { 514 case WLAN_CIPHER_SUITE_AES_CMAC: 515 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 516 wcid_keyidx = &wcid->hw_key_idx2; 517 break; 518 case WLAN_CIPHER_SUITE_WEP40: 519 case WLAN_CIPHER_SUITE_WEP104: 520 if (!mvif->wep_sta) 521 return -EOPNOTSUPP; 522 break; 523 case WLAN_CIPHER_SUITE_TKIP: 524 case WLAN_CIPHER_SUITE_CCMP: 525 case WLAN_CIPHER_SUITE_CCMP_256: 526 case WLAN_CIPHER_SUITE_GCMP: 527 case WLAN_CIPHER_SUITE_GCMP_256: 528 case WLAN_CIPHER_SUITE_SMS4: 529 break; 530 default: 531 return -EOPNOTSUPP; 532 } 533 534 mt792x_mutex_acquire(dev); 535 536 if (cmd == SET_KEY) { 537 *wcid_keyidx = idx; 538 } else { 539 if (idx == *wcid_keyidx) 540 *wcid_keyidx = -1; 541 goto out; 542 } 543 544 mt76_wcid_key_setup(&dev->mt76, wcid, key); 545 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip, 546 key, MCU_UNI_CMD(STA_REC_UPDATE), 547 &msta->deflink.wcid, cmd); 548 if (err) 549 goto out; 550 551 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 552 key->cipher == WLAN_CIPHER_SUITE_WEP40) 553 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 554 &mvif->wep_sta->deflink.bip, 555 key, MCU_UNI_CMD(STA_REC_UPDATE), 556 &mvif->wep_sta->deflink.wcid, cmd); 557 out: 558 mt792x_mutex_release(dev); 559 560 return err; 561 } 562 563 static void 564 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 565 { 566 struct mt792x_dev *dev = priv; 567 struct ieee80211_hw *hw = mt76_hw(dev); 568 bool pm_enable = dev->pm.enable; 569 int err; 570 571 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 572 if (err < 0) 573 return; 574 575 if (pm_enable) { 576 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 577 ieee80211_hw_set(hw, CONNECTION_MONITOR); 578 } else { 579 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 580 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 581 } 582 } 583 584 static void 585 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 586 { 587 struct mt792x_dev *dev = priv; 588 struct ieee80211_hw *hw = mt76_hw(dev); 589 struct mt76_connac_pm *pm = &dev->pm; 590 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 591 592 mt7921_mcu_set_sniffer(dev, vif, monitor); 593 pm->enable = pm->enable_user && !monitor; 594 pm->ds_enable = pm->ds_enable_user && !monitor; 595 596 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 597 598 if (monitor) 599 mt7921_mcu_set_beacon_filter(dev, vif, false); 600 } 601 602 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 603 { 604 struct ieee80211_hw *hw = mt76_hw(dev); 605 struct mt76_connac_pm *pm = &dev->pm; 606 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 607 608 pm->enable = pm->enable_user && !monitor; 609 ieee80211_iterate_active_interfaces(hw, 610 IEEE80211_IFACE_ITER_RESUME_ALL, 611 mt7921_pm_interface_iter, dev); 612 pm->ds_enable = pm->ds_enable_user && !monitor; 613 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 614 } 615 616 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 617 { 618 struct mt792x_dev *dev = mt792x_hw_dev(hw); 619 struct mt792x_phy *phy = mt792x_hw_phy(hw); 620 int ret = 0; 621 622 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 623 ieee80211_stop_queues(hw); 624 ret = mt7921_set_channel(phy); 625 if (ret) 626 return ret; 627 ieee80211_wake_queues(hw); 628 } 629 630 mt792x_mutex_acquire(dev); 631 632 if (changed & IEEE80211_CONF_CHANGE_POWER) { 633 ret = mt7921_set_tx_sar_pwr(hw, NULL); 634 if (ret) 635 goto out; 636 } 637 638 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 639 ieee80211_iterate_active_interfaces(hw, 640 IEEE80211_IFACE_ITER_RESUME_ALL, 641 mt7921_sniffer_interface_iter, dev); 642 } 643 644 out: 645 mt792x_mutex_release(dev); 646 647 return ret; 648 } 649 650 static void mt7921_configure_filter(struct ieee80211_hw *hw, 651 unsigned int changed_flags, 652 unsigned int *total_flags, 653 u64 multicast) 654 { 655 #define MT7921_FILTER_FCSFAIL BIT(2) 656 #define MT7921_FILTER_CONTROL BIT(5) 657 #define MT7921_FILTER_OTHER_BSS BIT(6) 658 #define MT7921_FILTER_ENABLE BIT(31) 659 660 struct mt792x_dev *dev = mt792x_hw_dev(hw); 661 u32 flags = MT7921_FILTER_ENABLE; 662 663 #define MT7921_FILTER(_fif, _type) do { \ 664 if (*total_flags & (_fif)) \ 665 flags |= MT7921_FILTER_##_type; \ 666 } while (0) 667 668 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 669 MT7921_FILTER(FIF_CONTROL, CONTROL); 670 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 671 672 mt792x_mutex_acquire(dev); 673 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 674 mt792x_mutex_release(dev); 675 676 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 677 } 678 679 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 680 struct ieee80211_vif *vif, 681 struct ieee80211_bss_conf *info, 682 u64 changed) 683 { 684 struct mt792x_phy *phy = mt792x_hw_phy(hw); 685 struct mt792x_dev *dev = mt792x_hw_dev(hw); 686 687 mt792x_mutex_acquire(dev); 688 689 if (changed & BSS_CHANGED_ERP_SLOT) { 690 int slottime = info->use_short_slot ? 9 : 20; 691 692 if (slottime != phy->slottime) { 693 phy->slottime = slottime; 694 mt792x_mac_set_timeing(phy); 695 } 696 } 697 698 if (changed & (BSS_CHANGED_BEACON | 699 BSS_CHANGED_BEACON_ENABLED)) 700 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 701 info->enable_beacon); 702 703 /* ensure that enable txcmd_mode after bss_info */ 704 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 705 mt7921_mcu_set_tx(dev, vif); 706 707 if (changed & BSS_CHANGED_PS) 708 mt7921_mcu_uni_bss_ps(dev, vif); 709 710 if (changed & BSS_CHANGED_CQM) 711 mt7921_mcu_set_rssimonitor(dev, vif); 712 713 if (changed & BSS_CHANGED_ASSOC) { 714 mt7921_mcu_sta_update(dev, NULL, vif, true, 715 MT76_STA_INFO_STATE_ASSOC); 716 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 717 } 718 719 if (changed & BSS_CHANGED_ARP_FILTER) { 720 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 721 722 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76, 723 info); 724 } 725 726 mt792x_mutex_release(dev); 727 } 728 729 static void 730 mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 731 { 732 u32 *num = priv; 733 734 if (!priv) 735 return; 736 737 switch (vif->type) { 738 case NL80211_IFTYPE_STATION: 739 case NL80211_IFTYPE_P2P_CLIENT: 740 case NL80211_IFTYPE_AP: 741 case NL80211_IFTYPE_P2P_GO: 742 *num += 1; 743 break; 744 default: 745 break; 746 } 747 } 748 749 static void 750 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 751 { 752 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 753 struct mt792x_phy *phy = mvif->phy; 754 struct mt792x_dev *dev = phy->dev; 755 u32 valid_vif_num = 0; 756 757 ieee80211_iterate_active_interfaces(mt76_hw(dev), 758 IEEE80211_IFACE_ITER_RESUME_ALL, 759 mt7921_calc_vif_num, &valid_vif_num); 760 761 if (valid_vif_num > 1) { 762 phy->power_type = MT_AP_DEFAULT; 763 goto out; 764 } 765 766 if (!is_add) 767 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 768 769 switch (vif->bss_conf.power_type) { 770 case IEEE80211_REG_SP_AP: 771 phy->power_type = MT_AP_SP; 772 break; 773 case IEEE80211_REG_VLP_AP: 774 phy->power_type = MT_AP_VLP; 775 break; 776 case IEEE80211_REG_LPI_AP: 777 phy->power_type = MT_AP_LPI; 778 break; 779 case IEEE80211_REG_UNSET_AP: 780 phy->power_type = MT_AP_UNSET; 781 break; 782 default: 783 phy->power_type = MT_AP_DEFAULT; 784 break; 785 } 786 787 out: 788 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 789 } 790 791 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 792 struct ieee80211_sta *sta) 793 { 794 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 795 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 796 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 797 int ret, idx; 798 799 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 800 if (idx < 0) 801 return -ENOSPC; 802 803 INIT_LIST_HEAD(&msta->deflink.wcid.poll_list); 804 msta->vif = mvif; 805 msta->deflink.wcid.sta = 1; 806 msta->deflink.wcid.idx = idx; 807 msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx; 808 msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; 809 msta->deflink.last_txs = jiffies; 810 811 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 812 if (ret) 813 return ret; 814 815 if (vif->type == NL80211_IFTYPE_STATION) 816 mvif->wep_sta = msta; 817 818 mt7921_mac_wtbl_update(dev, idx, 819 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 820 821 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 822 MT76_STA_INFO_STATE_NONE); 823 if (ret) 824 return ret; 825 826 mt7921_regd_set_6ghz_power_type(vif, true); 827 828 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 829 830 return 0; 831 } 832 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 833 834 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 835 struct ieee80211_sta *sta) 836 { 837 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 838 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 839 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 840 841 mt792x_mutex_acquire(dev); 842 843 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 844 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid, 845 true, mvif->bss_conf.mt76.ctx); 846 847 ewma_avg_signal_init(&msta->deflink.avg_ack_signal); 848 849 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 850 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 851 memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac)); 852 853 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 854 855 mt792x_mutex_release(dev); 856 } 857 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 858 859 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 860 struct ieee80211_sta *sta) 861 { 862 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 863 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 864 865 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid); 866 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 867 868 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 869 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 870 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 871 872 if (vif->type == NL80211_IFTYPE_STATION) { 873 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 874 875 mvif->wep_sta = NULL; 876 ewma_rssi_init(&mvif->bss_conf.rssi); 877 if (!sta->tdls) 878 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 879 &mvif->sta.deflink.wcid, false, 880 mvif->bss_conf.mt76.ctx); 881 } 882 883 spin_lock_bh(&dev->mt76.sta_poll_lock); 884 if (!list_empty(&msta->deflink.wcid.poll_list)) 885 list_del_init(&msta->deflink.wcid.poll_list); 886 spin_unlock_bh(&dev->mt76.sta_poll_lock); 887 888 mt7921_regd_set_6ghz_power_type(vif, false); 889 890 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 891 } 892 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 893 894 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 895 { 896 struct mt792x_dev *dev = mt792x_hw_dev(hw); 897 898 mt792x_mutex_acquire(dev); 899 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 900 mt792x_mutex_release(dev); 901 902 return 0; 903 } 904 905 static int 906 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 907 struct ieee80211_ampdu_params *params) 908 { 909 enum ieee80211_ampdu_mlme_action action = params->action; 910 struct mt792x_dev *dev = mt792x_hw_dev(hw); 911 struct ieee80211_sta *sta = params->sta; 912 struct ieee80211_txq *txq = sta->txq[params->tid]; 913 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 914 u16 tid = params->tid; 915 u16 ssn = params->ssn; 916 struct mt76_txq *mtxq; 917 int ret = 0; 918 919 if (!txq) 920 return -EINVAL; 921 922 mtxq = (struct mt76_txq *)txq->drv_priv; 923 924 mt792x_mutex_acquire(dev); 925 switch (action) { 926 case IEEE80211_AMPDU_RX_START: 927 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 928 params->buf_size); 929 mt7921_mcu_uni_rx_ba(dev, params, true); 930 break; 931 case IEEE80211_AMPDU_RX_STOP: 932 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 933 mt7921_mcu_uni_rx_ba(dev, params, false); 934 break; 935 case IEEE80211_AMPDU_TX_OPERATIONAL: 936 mtxq->aggr = true; 937 mtxq->send_bar = false; 938 mt7921_mcu_uni_tx_ba(dev, params, true); 939 break; 940 case IEEE80211_AMPDU_TX_STOP_FLUSH: 941 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 942 mtxq->aggr = false; 943 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 944 mt7921_mcu_uni_tx_ba(dev, params, false); 945 break; 946 case IEEE80211_AMPDU_TX_START: 947 set_bit(tid, &msta->deflink.wcid.ampdu_state); 948 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 949 break; 950 case IEEE80211_AMPDU_TX_STOP_CONT: 951 mtxq->aggr = false; 952 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 953 mt7921_mcu_uni_tx_ba(dev, params, false); 954 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 955 break; 956 } 957 mt792x_mutex_release(dev); 958 959 return ret; 960 } 961 962 static int mt7921_sta_state(struct ieee80211_hw *hw, 963 struct ieee80211_vif *vif, 964 struct ieee80211_sta *sta, 965 enum ieee80211_sta_state old_state, 966 enum ieee80211_sta_state new_state) 967 { 968 struct mt792x_dev *dev = mt792x_hw_dev(hw); 969 970 if (dev->pm.ds_enable) { 971 mt792x_mutex_acquire(dev); 972 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 973 mt792x_mutex_release(dev); 974 } 975 976 return mt76_sta_state(hw, vif, sta, old_state, new_state); 977 } 978 979 void mt7921_scan_work(struct work_struct *work) 980 { 981 struct mt792x_phy *phy; 982 983 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 984 scan_work.work); 985 986 while (true) { 987 struct mt76_connac2_mcu_rxd *rxd; 988 struct sk_buff *skb; 989 990 spin_lock_bh(&phy->dev->mt76.lock); 991 skb = __skb_dequeue(&phy->scan_event_list); 992 spin_unlock_bh(&phy->dev->mt76.lock); 993 994 if (!skb) 995 break; 996 997 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 998 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 999 ieee80211_sched_scan_results(phy->mt76->hw); 1000 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1001 &phy->mt76->state)) { 1002 struct cfg80211_scan_info info = { 1003 .aborted = false, 1004 }; 1005 1006 ieee80211_scan_completed(phy->mt76->hw, &info); 1007 } 1008 dev_kfree_skb(skb); 1009 } 1010 } 1011 1012 static int 1013 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1014 struct ieee80211_scan_request *req) 1015 { 1016 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1017 struct mt76_phy *mphy = hw->priv; 1018 int err; 1019 1020 mt792x_mutex_acquire(dev); 1021 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1022 mt792x_mutex_release(dev); 1023 1024 return err; 1025 } 1026 1027 static void 1028 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1029 { 1030 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1031 struct mt76_phy *mphy = hw->priv; 1032 1033 mt792x_mutex_acquire(dev); 1034 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1035 mt792x_mutex_release(dev); 1036 } 1037 1038 static int 1039 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1040 struct cfg80211_sched_scan_request *req, 1041 struct ieee80211_scan_ies *ies) 1042 { 1043 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1044 struct mt76_phy *mphy = hw->priv; 1045 int err; 1046 1047 mt792x_mutex_acquire(dev); 1048 1049 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1050 if (err < 0) 1051 goto out; 1052 1053 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1054 out: 1055 mt792x_mutex_release(dev); 1056 1057 return err; 1058 } 1059 1060 static int 1061 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1062 { 1063 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1064 struct mt76_phy *mphy = hw->priv; 1065 int err; 1066 1067 mt792x_mutex_acquire(dev); 1068 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1069 mt792x_mutex_release(dev); 1070 1071 return err; 1072 } 1073 1074 static int 1075 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1076 { 1077 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1078 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1079 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1080 1081 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1082 return -EINVAL; 1083 1084 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1085 return -EINVAL; 1086 1087 mt792x_mutex_acquire(dev); 1088 1089 phy->mt76->antenna_mask = tx_ant; 1090 phy->mt76->chainmask = tx_ant; 1091 1092 mt76_set_stream_caps(phy->mt76, true); 1093 mt7921_set_stream_he_caps(phy); 1094 1095 mt792x_mutex_release(dev); 1096 1097 return 0; 1098 } 1099 1100 #ifdef CONFIG_PM 1101 static int mt7921_suspend(struct ieee80211_hw *hw, 1102 struct cfg80211_wowlan *wowlan) 1103 { 1104 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1105 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1106 1107 cancel_delayed_work_sync(&phy->scan_work); 1108 cancel_delayed_work_sync(&phy->mt76->mac_work); 1109 1110 cancel_delayed_work_sync(&dev->pm.ps_work); 1111 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1112 1113 mt792x_mutex_acquire(dev); 1114 1115 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1116 ieee80211_iterate_active_interfaces(hw, 1117 IEEE80211_IFACE_ITER_RESUME_ALL, 1118 mt7921_mcu_set_suspend_iter, 1119 &dev->mphy); 1120 1121 mt792x_mutex_release(dev); 1122 1123 return 0; 1124 } 1125 1126 static int mt7921_resume(struct ieee80211_hw *hw) 1127 { 1128 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1129 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1130 1131 mt792x_mutex_acquire(dev); 1132 1133 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1134 ieee80211_iterate_active_interfaces(hw, 1135 IEEE80211_IFACE_ITER_RESUME_ALL, 1136 mt76_connac_mcu_set_suspend_iter, 1137 &dev->mphy); 1138 1139 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1140 MT792x_WATCHDOG_TIME); 1141 1142 mt792x_mutex_release(dev); 1143 1144 return 0; 1145 } 1146 1147 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1148 struct ieee80211_vif *vif, 1149 struct cfg80211_gtk_rekey_data *data) 1150 { 1151 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1152 1153 mt792x_mutex_acquire(dev); 1154 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1155 mt792x_mutex_release(dev); 1156 } 1157 #endif /* CONFIG_PM */ 1158 1159 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1160 struct ieee80211_vif *vif, 1161 struct ieee80211_sta *sta, 1162 bool enabled) 1163 { 1164 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1165 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1166 1167 mt792x_mutex_acquire(dev); 1168 1169 if (enabled) 1170 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1171 else 1172 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1173 1174 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid, 1175 MCU_UNI_CMD(STA_REC_UPDATE)); 1176 1177 mt792x_mutex_release(dev); 1178 } 1179 1180 #if IS_ENABLED(CONFIG_IPV6) 1181 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1182 struct ieee80211_vif *vif, 1183 struct inet6_dev *idev) 1184 { 1185 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1186 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1187 struct inet6_ifaddr *ifa; 1188 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1189 struct sk_buff *skb; 1190 u8 i, idx = 0; 1191 1192 struct { 1193 struct { 1194 u8 bss_idx; 1195 u8 pad[3]; 1196 } __packed hdr; 1197 struct mt76_connac_arpns_tlv arpns; 1198 } req_hdr = { 1199 .hdr = { 1200 .bss_idx = mvif->bss_conf.mt76.idx, 1201 }, 1202 .arpns = { 1203 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1204 .mode = 2, /* update */ 1205 .option = 1, /* update only */ 1206 }, 1207 }; 1208 1209 read_lock_bh(&idev->lock); 1210 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1211 if (ifa->flags & IFA_F_TENTATIVE) 1212 continue; 1213 ns_addrs[idx] = ifa->addr; 1214 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1215 break; 1216 } 1217 read_unlock_bh(&idev->lock); 1218 1219 if (!idx) 1220 return; 1221 1222 req_hdr.arpns.ips_num = idx; 1223 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1224 + idx * sizeof(struct in6_addr)); 1225 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1226 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1227 sizeof(req_hdr), GFP_ATOMIC); 1228 if (!skb) 1229 return; 1230 1231 for (i = 0; i < idx; i++) 1232 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1233 1234 skb_queue_tail(&dev->ipv6_ns_list, skb); 1235 1236 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1237 } 1238 #endif 1239 1240 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1241 const struct cfg80211_sar_specs *sar) 1242 { 1243 struct mt76_phy *mphy = hw->priv; 1244 1245 if (sar) { 1246 int err = mt76_init_sar_power(hw, sar); 1247 1248 if (err) 1249 return err; 1250 } 1251 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1252 1253 return mt76_connac_mcu_set_rate_txpower(mphy); 1254 } 1255 1256 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1257 const struct cfg80211_sar_specs *sar) 1258 { 1259 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1260 int err; 1261 1262 mt792x_mutex_acquire(dev); 1263 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1264 dev->country_ie_env); 1265 if (err < 0) 1266 goto out; 1267 1268 err = mt7921_set_tx_sar_pwr(hw, sar); 1269 out: 1270 mt792x_mutex_release(dev); 1271 1272 return err; 1273 } 1274 1275 static void 1276 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1277 struct ieee80211_vif *vif, 1278 struct cfg80211_chan_def *chandef) 1279 { 1280 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1281 1282 mt792x_mutex_acquire(dev); 1283 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1284 mt792x_mutex_release(dev); 1285 } 1286 1287 static int 1288 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1289 struct ieee80211_bss_conf *link_conf) 1290 { 1291 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1292 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1293 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1294 int err; 1295 1296 mt792x_mutex_acquire(dev); 1297 1298 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, 1299 true, mvif->bss_conf.mt76.ctx); 1300 if (err) 1301 goto out; 1302 1303 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1304 if (err) 1305 goto out; 1306 1307 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1308 MT76_STA_INFO_STATE_NONE); 1309 out: 1310 mt792x_mutex_release(dev); 1311 1312 return err; 1313 } 1314 1315 static void 1316 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1317 struct ieee80211_bss_conf *link_conf) 1318 { 1319 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1320 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1321 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1322 int err; 1323 1324 mt792x_mutex_acquire(dev); 1325 1326 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1327 if (err) 1328 goto out; 1329 1330 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false, 1331 mvif->bss_conf.mt76.ctx); 1332 1333 out: 1334 mt792x_mutex_release(dev); 1335 } 1336 1337 static int 1338 mt7921_add_chanctx(struct ieee80211_hw *hw, 1339 struct ieee80211_chanctx_conf *ctx) 1340 { 1341 return 0; 1342 } 1343 1344 static void 1345 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1346 struct ieee80211_chanctx_conf *ctx) 1347 { 1348 } 1349 1350 static void 1351 mt7921_change_chanctx(struct ieee80211_hw *hw, 1352 struct ieee80211_chanctx_conf *ctx, 1353 u32 changed) 1354 { 1355 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1356 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1357 struct ieee80211_vif *vif; 1358 struct mt792x_vif *mvif; 1359 1360 if (!mctx->bss_conf) 1361 return; 1362 1363 mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf); 1364 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1365 1366 mt792x_mutex_acquire(phy->dev); 1367 if (vif->type == NL80211_IFTYPE_MONITOR) 1368 mt7921_mcu_config_sniffer(mvif, ctx); 1369 else 1370 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx); 1371 mt792x_mutex_release(phy->dev); 1372 } 1373 1374 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1375 struct ieee80211_vif *vif, 1376 struct ieee80211_prep_tx_info *info) 1377 { 1378 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1379 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1380 u16 duration = info->duration ? info->duration : 1381 jiffies_to_msecs(HZ); 1382 1383 mt792x_mutex_acquire(dev); 1384 mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration, 1385 MT7921_ROC_REQ_JOIN); 1386 mt792x_mutex_release(dev); 1387 } 1388 1389 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1390 struct ieee80211_vif *vif, 1391 struct ieee80211_prep_tx_info *info) 1392 { 1393 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1394 1395 mt7921_abort_roc(mvif->phy, mvif); 1396 } 1397 1398 const struct ieee80211_ops mt7921_ops = { 1399 .tx = mt792x_tx, 1400 .start = mt7921_start, 1401 .stop = mt7921_stop, 1402 .add_interface = mt7921_add_interface, 1403 .remove_interface = mt792x_remove_interface, 1404 .config = mt7921_config, 1405 .conf_tx = mt792x_conf_tx, 1406 .configure_filter = mt7921_configure_filter, 1407 .bss_info_changed = mt7921_bss_info_changed, 1408 .start_ap = mt7921_start_ap, 1409 .stop_ap = mt7921_stop_ap, 1410 .sta_state = mt7921_sta_state, 1411 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1412 .set_key = mt7921_set_key, 1413 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1414 #if IS_ENABLED(CONFIG_IPV6) 1415 .ipv6_addr_change = mt7921_ipv6_addr_change, 1416 #endif /* CONFIG_IPV6 */ 1417 .ampdu_action = mt7921_ampdu_action, 1418 .set_rts_threshold = mt7921_set_rts_threshold, 1419 .wake_tx_queue = mt76_wake_tx_queue, 1420 .release_buffered_frames = mt76_release_buffered_frames, 1421 .channel_switch_beacon = mt7921_channel_switch_beacon, 1422 .get_txpower = mt76_get_txpower, 1423 .get_stats = mt792x_get_stats, 1424 .get_et_sset_count = mt792x_get_et_sset_count, 1425 .get_et_strings = mt792x_get_et_strings, 1426 .get_et_stats = mt792x_get_et_stats, 1427 .get_tsf = mt792x_get_tsf, 1428 .set_tsf = mt792x_set_tsf, 1429 .get_survey = mt76_get_survey, 1430 .get_antenna = mt76_get_antenna, 1431 .set_antenna = mt7921_set_antenna, 1432 .set_coverage_class = mt792x_set_coverage_class, 1433 .hw_scan = mt7921_hw_scan, 1434 .cancel_hw_scan = mt7921_cancel_hw_scan, 1435 .sta_statistics = mt792x_sta_statistics, 1436 .sched_scan_start = mt7921_start_sched_scan, 1437 .sched_scan_stop = mt7921_stop_sched_scan, 1438 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1439 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1440 #ifdef CONFIG_PM 1441 .suspend = mt7921_suspend, 1442 .resume = mt7921_resume, 1443 .set_wakeup = mt792x_set_wakeup, 1444 .set_rekey_data = mt7921_set_rekey_data, 1445 #endif /* CONFIG_PM */ 1446 .flush = mt792x_flush, 1447 .set_sar_specs = mt7921_set_sar_specs, 1448 .remain_on_channel = mt7921_remain_on_channel, 1449 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1450 .add_chanctx = mt7921_add_chanctx, 1451 .remove_chanctx = mt7921_remove_chanctx, 1452 .change_chanctx = mt7921_change_chanctx, 1453 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1454 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1455 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1456 .mgd_complete_tx = mt7921_mgd_complete_tx, 1457 }; 1458 EXPORT_SYMBOL_GPL(mt7921_ops); 1459 1460 MODULE_DESCRIPTION("MediaTek MT7921 core driver"); 1461 MODULE_LICENSE("Dual BSD/GPL"); 1462 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1463