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 87 if (is_mt7922(phy->mt76->dev)) { 88 he_cap_elem->phy_cap_info[0] |= 89 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 90 } 91 break; 92 case NL80211_IFTYPE_STATION: 93 he_cap_elem->mac_cap_info[1] |= 94 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 95 96 if (band == NL80211_BAND_2GHZ) 97 he_cap_elem->phy_cap_info[0] |= 98 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 99 else 100 he_cap_elem->phy_cap_info[0] |= 101 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 102 103 he_cap_elem->phy_cap_info[1] |= 104 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 105 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 106 he_cap_elem->phy_cap_info[3] |= 107 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 108 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 109 he_cap_elem->phy_cap_info[4] |= 110 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 111 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 112 he_cap_elem->phy_cap_info[5] |= 113 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 114 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 115 he_cap_elem->phy_cap_info[6] |= 116 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 117 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 118 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 119 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 120 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 121 he_cap_elem->phy_cap_info[7] |= 122 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 123 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 124 he_cap_elem->phy_cap_info[8] |= 125 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 126 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 127 he_cap_elem->phy_cap_info[9] |= 128 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 129 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 130 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 131 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 132 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 133 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 134 135 if (is_mt7922(phy->mt76->dev)) { 136 he_cap_elem->phy_cap_info[0] |= 137 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 138 he_cap_elem->phy_cap_info[4] |= 139 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 140 he_cap_elem->phy_cap_info[8] |= 141 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 142 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 143 } 144 break; 145 } 146 147 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 148 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 149 if (is_mt7922(phy->mt76->dev)) { 150 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 151 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 152 } 153 154 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 155 if (he_cap_elem->phy_cap_info[6] & 156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 157 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss, band); 158 } else { 159 he_cap_elem->phy_cap_info[9] |= 160 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 161 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 162 } 163 164 if (band == NL80211_BAND_6GHZ) { 165 struct ieee80211_supported_band *sband = 166 &phy->mt76->sband_5g.sband; 167 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 168 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 169 u32 exp; 170 u16 cap; 171 172 cap = u16_encode_bits(ht_cap->ampdu_density, 173 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 174 exp = u32_get_bits(vht_cap->cap, 175 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 176 cap |= u16_encode_bits(exp, 177 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 178 exp = u32_get_bits(vht_cap->cap, 179 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 180 cap |= u16_encode_bits(exp, 181 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 182 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 183 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 184 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 185 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 186 187 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); 188 } 189 idx++; 190 } 191 192 return idx; 193 } 194 195 void mt7921_set_stream_he_caps(struct mt792x_phy *phy) 196 { 197 struct ieee80211_sband_iftype_data *data; 198 struct ieee80211_supported_band *band; 199 int n; 200 201 if (phy->mt76->cap.has_2ghz) { 202 data = phy->iftype[NL80211_BAND_2GHZ]; 203 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 204 205 band = &phy->mt76->sband_2g.sband; 206 _ieee80211_set_sband_iftype_data(band, data, n); 207 } 208 209 if (phy->mt76->cap.has_5ghz) { 210 data = phy->iftype[NL80211_BAND_5GHZ]; 211 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 212 213 band = &phy->mt76->sband_5g.sband; 214 _ieee80211_set_sband_iftype_data(band, data, n); 215 216 if (phy->mt76->cap.has_6ghz) { 217 data = phy->iftype[NL80211_BAND_6GHZ]; 218 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 219 220 band = &phy->mt76->sband_6g.sband; 221 _ieee80211_set_sband_iftype_data(band, data, n); 222 } 223 } 224 } 225 226 int __mt7921_start(struct mt792x_phy *phy) 227 { 228 struct mt76_phy *mphy = phy->mt76; 229 int err; 230 231 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 232 if (err) 233 return err; 234 235 err = mt76_connac_mcu_set_channel_domain(mphy); 236 if (err) 237 return err; 238 239 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 240 if (err) 241 return err; 242 243 err = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 244 if (err) 245 return err; 246 247 mt792x_mac_reset_counters(phy); 248 set_bit(MT76_STATE_RUNNING, &mphy->state); 249 250 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 251 MT792x_WATCHDOG_TIME); 252 if (mt76_is_mmio(mphy->dev)) { 253 err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE); 254 if (err) 255 return err; 256 257 err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED); 258 if (err) 259 return err; 260 } 261 262 if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN) { 263 mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_INIT); 264 wiphy_rfkill_start_polling(mphy->hw->wiphy); 265 } 266 267 return 0; 268 } 269 EXPORT_SYMBOL_GPL(__mt7921_start); 270 271 static int mt7921_start(struct ieee80211_hw *hw) 272 { 273 struct mt792x_phy *phy = mt792x_hw_phy(hw); 274 int err; 275 276 mt792x_mutex_acquire(phy->dev); 277 err = __mt7921_start(phy); 278 mt792x_mutex_release(phy->dev); 279 280 return err; 281 } 282 283 static void mt7921_stop(struct ieee80211_hw *hw, bool suspend) 284 { 285 struct mt792x_dev *dev = mt792x_hw_dev(hw); 286 int err = 0; 287 288 if (mt76_is_mmio(&dev->mt76)) { 289 mt792x_mutex_acquire(dev); 290 err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED); 291 mt792x_mutex_release(dev); 292 if (err) 293 return; 294 } 295 296 mt792x_stop(hw, false); 297 } 298 299 static int 300 mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 301 { 302 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 303 struct mt792x_dev *dev = mt792x_hw_dev(hw); 304 struct mt792x_phy *phy = mt792x_hw_phy(hw); 305 struct mt76_txq *mtxq; 306 int idx, ret = 0; 307 308 mt792x_mutex_acquire(dev); 309 310 mvif->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask); 311 if (mvif->bss_conf.mt76.idx >= MT792x_MAX_INTERFACES) { 312 ret = -ENOSPC; 313 goto out; 314 } 315 316 mvif->bss_conf.mt76.omac_idx = mvif->bss_conf.mt76.idx; 317 mvif->phy = phy; 318 mvif->bss_conf.vif = mvif; 319 mvif->bss_conf.mt76.band_idx = 0; 320 mvif->bss_conf.mt76.wmm_idx = mvif->bss_conf.mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 321 322 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, &vif->bss_conf, 323 &mvif->bss_conf.mt76, 324 &mvif->sta.deflink.wcid, true); 325 if (ret) 326 goto out; 327 328 dev->mt76.vif_mask |= BIT_ULL(mvif->bss_conf.mt76.idx); 329 phy->omac_mask |= BIT_ULL(mvif->bss_conf.mt76.omac_idx); 330 331 idx = MT792x_WTBL_RESERVED - mvif->bss_conf.mt76.idx; 332 333 INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list); 334 mvif->sta.deflink.wcid.idx = idx; 335 mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; 336 mt76_wcid_init(&mvif->sta.deflink.wcid, mvif->bss_conf.mt76.band_idx); 337 338 mt7921_mac_wtbl_update(dev, idx, 339 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 340 341 ewma_rssi_init(&mvif->bss_conf.rssi); 342 343 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.deflink.wcid); 344 if (vif->txq) { 345 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 346 mtxq->wcid = idx; 347 } 348 349 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 350 if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN) 351 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI; 352 353 INIT_WORK(&mvif->csa_work, mt7921_csa_work); 354 timer_setup(&mvif->csa_timer, mt792x_csa_timer, 0); 355 out: 356 mt792x_mutex_release(dev); 357 358 return ret; 359 } 360 361 static void mt7921_roc_iter(void *priv, u8 *mac, 362 struct ieee80211_vif *vif) 363 { 364 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 365 struct mt792x_phy *phy = priv; 366 367 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 368 } 369 370 void mt7921_roc_abort_sync(struct mt792x_dev *dev) 371 { 372 struct mt792x_phy *phy = &dev->phy; 373 374 timer_delete_sync(&phy->roc_timer); 375 cancel_work_sync(&phy->roc_work); 376 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 377 ieee80211_iterate_interfaces(mt76_hw(dev), 378 IEEE80211_IFACE_ITER_RESUME_ALL, 379 mt7921_roc_iter, (void *)phy); 380 } 381 EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync); 382 383 void mt7921_roc_work(struct work_struct *work) 384 { 385 struct mt792x_phy *phy; 386 387 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 388 roc_work); 389 390 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 391 return; 392 393 mt792x_mutex_acquire(phy->dev); 394 ieee80211_iterate_active_interfaces(phy->mt76->hw, 395 IEEE80211_IFACE_ITER_RESUME_ALL, 396 mt7921_roc_iter, phy); 397 mt792x_mutex_release(phy->dev); 398 ieee80211_remain_on_channel_expired(phy->mt76->hw); 399 } 400 401 static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 402 { 403 int err = 0; 404 405 timer_delete_sync(&phy->roc_timer); 406 cancel_work_sync(&phy->roc_work); 407 408 mt792x_mutex_acquire(phy->dev); 409 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 410 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 411 mt792x_mutex_release(phy->dev); 412 413 return err; 414 } 415 416 static int mt7921_set_roc(struct mt792x_phy *phy, 417 struct mt792x_vif *vif, 418 struct ieee80211_channel *chan, 419 int duration, 420 enum mt7921_roc_req type) 421 { 422 int err; 423 424 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 425 return -EBUSY; 426 427 phy->roc_grant = false; 428 429 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 430 ++phy->roc_token_id); 431 if (err < 0) { 432 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 433 goto out; 434 } 435 436 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 437 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 438 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 439 err = -ETIMEDOUT; 440 } 441 442 out: 443 return err; 444 } 445 446 static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 447 struct ieee80211_vif *vif, 448 struct ieee80211_channel *chan, 449 int duration, 450 enum ieee80211_roc_type type) 451 { 452 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 453 struct mt792x_phy *phy = mt792x_hw_phy(hw); 454 int err; 455 456 mt792x_mutex_acquire(phy->dev); 457 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 458 mt792x_mutex_release(phy->dev); 459 460 return err; 461 } 462 463 static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 464 struct ieee80211_vif *vif) 465 { 466 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 467 struct mt792x_phy *phy = mt792x_hw_phy(hw); 468 469 return mt7921_abort_roc(phy, mvif); 470 } 471 472 int mt7921_set_channel(struct mt76_phy *mphy) 473 { 474 struct mt792x_phy *phy = mphy->priv; 475 struct mt792x_dev *dev = phy->dev; 476 int ret; 477 478 mt76_connac_pm_wake(mphy, &dev->pm); 479 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 480 if (ret) 481 goto out; 482 483 mt792x_mac_set_timeing(phy); 484 mt792x_mac_reset_counters(phy); 485 phy->noise = 0; 486 487 out: 488 mt76_connac_power_save_sched(mphy, &dev->pm); 489 490 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 491 MT792x_WATCHDOG_TIME); 492 493 return ret; 494 } 495 EXPORT_SYMBOL_GPL(mt7921_set_channel); 496 497 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 498 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 499 struct ieee80211_key_conf *key) 500 { 501 struct mt792x_dev *dev = mt792x_hw_dev(hw); 502 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 503 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 504 &mvif->sta; 505 struct mt76_wcid *wcid = &msta->deflink.wcid; 506 u8 *wcid_keyidx = &wcid->hw_key_idx; 507 int idx = key->keyidx, err = 0; 508 509 /* The hardware does not support per-STA RX GTK, fallback 510 * to software mode for these. 511 */ 512 if ((vif->type == NL80211_IFTYPE_ADHOC || 513 vif->type == NL80211_IFTYPE_MESH_POINT) && 514 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 515 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 516 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 517 return -EOPNOTSUPP; 518 519 /* fall back to sw encryption for unsupported ciphers */ 520 switch (key->cipher) { 521 case WLAN_CIPHER_SUITE_AES_CMAC: 522 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 523 wcid_keyidx = &wcid->hw_key_idx2; 524 break; 525 case WLAN_CIPHER_SUITE_WEP40: 526 case WLAN_CIPHER_SUITE_WEP104: 527 if (!mvif->wep_sta) 528 return -EOPNOTSUPP; 529 break; 530 case WLAN_CIPHER_SUITE_TKIP: 531 case WLAN_CIPHER_SUITE_CCMP: 532 case WLAN_CIPHER_SUITE_CCMP_256: 533 case WLAN_CIPHER_SUITE_GCMP: 534 case WLAN_CIPHER_SUITE_GCMP_256: 535 case WLAN_CIPHER_SUITE_SMS4: 536 break; 537 default: 538 return -EOPNOTSUPP; 539 } 540 541 mt792x_mutex_acquire(dev); 542 543 if (cmd == SET_KEY) { 544 *wcid_keyidx = idx; 545 } else { 546 if (idx == *wcid_keyidx) 547 *wcid_keyidx = -1; 548 549 /* For security issue we don't trigger the key deletion when 550 * reassociating. But we should trigger the deletion process 551 * to avoid using incorrect cipher after disconnection, 552 */ 553 if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc) 554 goto out; 555 } 556 557 mt76_wcid_key_setup(&dev->mt76, wcid, key); 558 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip, 559 key, MCU_UNI_CMD(STA_REC_UPDATE), 560 &msta->deflink.wcid, cmd); 561 if (err) 562 goto out; 563 564 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 565 key->cipher == WLAN_CIPHER_SUITE_WEP40) 566 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 567 &mvif->wep_sta->deflink.bip, 568 key, MCU_UNI_CMD(STA_REC_UPDATE), 569 &mvif->wep_sta->deflink.wcid, cmd); 570 out: 571 mt792x_mutex_release(dev); 572 573 return err; 574 } 575 576 static void 577 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 578 { 579 struct mt792x_dev *dev = priv; 580 struct ieee80211_hw *hw = mt76_hw(dev); 581 bool pm_enable = dev->pm.enable; 582 int err; 583 584 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 585 if (err < 0) 586 return; 587 588 if (pm_enable) { 589 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 590 ieee80211_hw_set(hw, CONNECTION_MONITOR); 591 } else { 592 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 593 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 594 } 595 } 596 597 static void 598 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 599 { 600 struct mt792x_dev *dev = priv; 601 struct ieee80211_hw *hw = mt76_hw(dev); 602 struct mt76_connac_pm *pm = &dev->pm; 603 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 604 605 mt7921_mcu_set_sniffer(dev, vif, monitor); 606 pm->enable = pm->enable_user && !monitor; 607 pm->ds_enable = pm->ds_enable_user && !monitor; 608 609 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 610 611 if (monitor) 612 mt7921_mcu_set_beacon_filter(dev, vif, false); 613 } 614 615 void mt7921_set_runtime_pm(struct mt792x_dev *dev) 616 { 617 struct ieee80211_hw *hw = mt76_hw(dev); 618 struct mt76_connac_pm *pm = &dev->pm; 619 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 620 621 pm->enable = pm->enable_user && !monitor; 622 ieee80211_iterate_active_interfaces(hw, 623 IEEE80211_IFACE_ITER_RESUME_ALL, 624 mt7921_pm_interface_iter, dev); 625 pm->ds_enable = pm->ds_enable_user && !monitor; 626 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 627 } 628 629 static int mt7921_config(struct ieee80211_hw *hw, int radio_idx, u32 changed) 630 { 631 struct mt792x_dev *dev = mt792x_hw_dev(hw); 632 struct mt792x_phy *phy = mt792x_hw_phy(hw); 633 int ret = 0; 634 635 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 636 ret = mt76_update_channel(phy->mt76); 637 if (ret) 638 return ret; 639 } 640 641 mt792x_mutex_acquire(dev); 642 643 if (changed & IEEE80211_CONF_CHANGE_POWER) { 644 ret = mt7921_set_tx_sar_pwr(hw, NULL); 645 if (ret) 646 goto out; 647 } 648 649 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 650 ieee80211_iterate_active_interfaces(hw, 651 IEEE80211_IFACE_ITER_RESUME_ALL, 652 mt7921_sniffer_interface_iter, dev); 653 } 654 655 out: 656 mt792x_mutex_release(dev); 657 658 return ret; 659 } 660 661 static void mt7921_configure_filter(struct ieee80211_hw *hw, 662 unsigned int changed_flags, 663 unsigned int *total_flags, 664 u64 multicast) 665 { 666 #define MT7921_FILTER_FCSFAIL BIT(2) 667 #define MT7921_FILTER_CONTROL BIT(5) 668 #define MT7921_FILTER_OTHER_BSS BIT(6) 669 #define MT7921_FILTER_ENABLE BIT(31) 670 671 struct mt792x_dev *dev = mt792x_hw_dev(hw); 672 u32 flags = MT7921_FILTER_ENABLE; 673 674 #define MT7921_FILTER(_fif, _type) do { \ 675 if (*total_flags & (_fif)) \ 676 flags |= MT7921_FILTER_##_type; \ 677 } while (0) 678 679 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 680 MT7921_FILTER(FIF_CONTROL, CONTROL); 681 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 682 683 mt792x_mutex_acquire(dev); 684 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 685 mt792x_mutex_release(dev); 686 687 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 688 } 689 690 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 691 struct ieee80211_vif *vif, 692 struct ieee80211_bss_conf *info, 693 u64 changed) 694 { 695 struct mt792x_phy *phy = mt792x_hw_phy(hw); 696 struct mt792x_dev *dev = mt792x_hw_dev(hw); 697 698 mt792x_mutex_acquire(dev); 699 700 if (changed & BSS_CHANGED_ERP_SLOT) { 701 int slottime = info->use_short_slot ? 9 : 20; 702 703 if (slottime != phy->slottime) { 704 phy->slottime = slottime; 705 mt792x_mac_set_timeing(phy); 706 } 707 } 708 709 if (changed & (BSS_CHANGED_BEACON | 710 BSS_CHANGED_BEACON_ENABLED)) 711 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 712 info->enable_beacon); 713 714 /* ensure that enable txcmd_mode after bss_info */ 715 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 716 mt7921_mcu_set_tx(dev, vif); 717 718 if (changed & BSS_CHANGED_PS) 719 mt7921_mcu_uni_bss_ps(dev, vif); 720 721 if (changed & BSS_CHANGED_CQM) 722 mt7921_mcu_set_rssimonitor(dev, vif); 723 724 if (changed & BSS_CHANGED_ASSOC) { 725 mt7921_mcu_sta_update(dev, NULL, vif, true, 726 MT76_STA_INFO_STATE_ASSOC); 727 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 728 } 729 730 if (changed & BSS_CHANGED_ARP_FILTER) { 731 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 732 733 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76, 734 info); 735 } 736 737 mt792x_mutex_release(dev); 738 } 739 740 static void 741 mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 742 { 743 u32 *num = priv; 744 745 if (!priv) 746 return; 747 748 switch (vif->type) { 749 case NL80211_IFTYPE_STATION: 750 case NL80211_IFTYPE_P2P_CLIENT: 751 case NL80211_IFTYPE_AP: 752 case NL80211_IFTYPE_P2P_GO: 753 *num += 1; 754 break; 755 default: 756 break; 757 } 758 } 759 760 static void 761 mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 762 { 763 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 764 struct mt792x_phy *phy = mvif->phy; 765 struct mt792x_dev *dev = phy->dev; 766 u32 valid_vif_num = 0; 767 768 ieee80211_iterate_active_interfaces(mt76_hw(dev), 769 IEEE80211_IFACE_ITER_RESUME_ALL, 770 mt7921_calc_vif_num, &valid_vif_num); 771 772 if (valid_vif_num > 1) { 773 phy->power_type = MT_AP_DEFAULT; 774 goto out; 775 } 776 777 if (!is_add) 778 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 779 780 switch (vif->bss_conf.power_type) { 781 case IEEE80211_REG_SP_AP: 782 phy->power_type = MT_AP_SP; 783 break; 784 case IEEE80211_REG_VLP_AP: 785 phy->power_type = MT_AP_VLP; 786 break; 787 case IEEE80211_REG_LPI_AP: 788 phy->power_type = MT_AP_LPI; 789 break; 790 case IEEE80211_REG_UNSET_AP: 791 phy->power_type = MT_AP_UNSET; 792 break; 793 default: 794 phy->power_type = MT_AP_DEFAULT; 795 break; 796 } 797 798 out: 799 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 800 } 801 802 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 803 struct ieee80211_sta *sta) 804 { 805 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 806 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 807 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 808 int ret, idx; 809 810 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 811 if (idx < 0) 812 return -ENOSPC; 813 814 INIT_LIST_HEAD(&msta->deflink.wcid.poll_list); 815 msta->vif = mvif; 816 msta->deflink.wcid.sta = 1; 817 msta->deflink.wcid.idx = idx; 818 msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx; 819 msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; 820 msta->deflink.last_txs = jiffies; 821 msta->deflink.sta = msta; 822 823 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 824 if (ret) 825 return ret; 826 827 if (vif->type == NL80211_IFTYPE_STATION) 828 mvif->wep_sta = msta; 829 830 mt7921_mac_wtbl_update(dev, idx, 831 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 832 833 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 834 MT76_STA_INFO_STATE_NONE); 835 if (ret) 836 return ret; 837 838 mt7921_regd_set_6ghz_power_type(vif, true); 839 840 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 841 842 return 0; 843 } 844 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 845 846 int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 847 struct ieee80211_sta *sta, enum mt76_sta_event ev) 848 { 849 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 850 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 851 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 852 853 if (ev != MT76_STA_EVENT_ASSOC) 854 return 0; 855 856 mt792x_mutex_acquire(dev); 857 858 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 859 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid, 860 true, mvif->bss_conf.mt76.ctx); 861 862 ewma_avg_signal_init(&msta->deflink.avg_ack_signal); 863 864 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 865 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 866 memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac)); 867 868 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 869 870 mt792x_mutex_release(dev); 871 872 return 0; 873 } 874 EXPORT_SYMBOL_GPL(mt7921_mac_sta_event); 875 876 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 877 struct ieee80211_sta *sta) 878 { 879 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 880 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 881 882 mt7921_roc_abort_sync(dev); 883 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid); 884 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 885 886 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 887 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, 888 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 889 890 if (vif->type == NL80211_IFTYPE_STATION) { 891 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 892 893 mvif->wep_sta = NULL; 894 ewma_rssi_init(&mvif->bss_conf.rssi); 895 if (!sta->tdls) 896 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 897 &mvif->sta.deflink.wcid, false, 898 mvif->bss_conf.mt76.ctx); 899 } 900 901 spin_lock_bh(&dev->mt76.sta_poll_lock); 902 if (!list_empty(&msta->deflink.wcid.poll_list)) 903 list_del_init(&msta->deflink.wcid.poll_list); 904 spin_unlock_bh(&dev->mt76.sta_poll_lock); 905 906 mt7921_regd_set_6ghz_power_type(vif, false); 907 908 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 909 } 910 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 911 912 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, 913 u32 val) 914 { 915 struct mt792x_dev *dev = mt792x_hw_dev(hw); 916 917 mt792x_mutex_acquire(dev); 918 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 919 mt792x_mutex_release(dev); 920 921 return 0; 922 } 923 924 static int 925 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 926 struct ieee80211_ampdu_params *params) 927 { 928 enum ieee80211_ampdu_mlme_action action = params->action; 929 struct mt792x_dev *dev = mt792x_hw_dev(hw); 930 struct ieee80211_sta *sta = params->sta; 931 struct ieee80211_txq *txq = sta->txq[params->tid]; 932 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 933 u16 tid = params->tid; 934 u16 ssn = params->ssn; 935 struct mt76_txq *mtxq; 936 int ret = 0; 937 938 if (!txq) 939 return -EINVAL; 940 941 mtxq = (struct mt76_txq *)txq->drv_priv; 942 943 mt792x_mutex_acquire(dev); 944 switch (action) { 945 case IEEE80211_AMPDU_RX_START: 946 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 947 params->buf_size); 948 mt7921_mcu_uni_rx_ba(dev, params, true); 949 break; 950 case IEEE80211_AMPDU_RX_STOP: 951 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 952 mt7921_mcu_uni_rx_ba(dev, params, false); 953 break; 954 case IEEE80211_AMPDU_TX_OPERATIONAL: 955 mtxq->aggr = true; 956 mtxq->send_bar = false; 957 mt7921_mcu_uni_tx_ba(dev, params, true); 958 break; 959 case IEEE80211_AMPDU_TX_STOP_FLUSH: 960 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 961 mtxq->aggr = false; 962 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 963 mt7921_mcu_uni_tx_ba(dev, params, false); 964 break; 965 case IEEE80211_AMPDU_TX_START: 966 set_bit(tid, &msta->deflink.wcid.ampdu_state); 967 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 968 break; 969 case IEEE80211_AMPDU_TX_STOP_CONT: 970 mtxq->aggr = false; 971 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 972 mt7921_mcu_uni_tx_ba(dev, params, false); 973 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 974 break; 975 } 976 mt792x_mutex_release(dev); 977 978 return ret; 979 } 980 981 static int mt7921_sta_state(struct ieee80211_hw *hw, 982 struct ieee80211_vif *vif, 983 struct ieee80211_sta *sta, 984 enum ieee80211_sta_state old_state, 985 enum ieee80211_sta_state new_state) 986 { 987 struct mt792x_dev *dev = mt792x_hw_dev(hw); 988 989 if (dev->pm.ds_enable) { 990 mt792x_mutex_acquire(dev); 991 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 992 mt792x_mutex_release(dev); 993 } 994 995 return mt76_sta_state(hw, vif, sta, old_state, new_state); 996 } 997 998 void mt7921_scan_work(struct work_struct *work) 999 { 1000 struct mt792x_phy *phy; 1001 1002 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1003 scan_work.work); 1004 1005 while (true) { 1006 struct mt76_connac2_mcu_rxd *rxd; 1007 struct sk_buff *skb; 1008 1009 spin_lock_bh(&phy->dev->mt76.lock); 1010 skb = __skb_dequeue(&phy->scan_event_list); 1011 spin_unlock_bh(&phy->dev->mt76.lock); 1012 1013 if (!skb) 1014 break; 1015 1016 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 1017 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1018 ieee80211_sched_scan_results(phy->mt76->hw); 1019 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1020 &phy->mt76->state)) { 1021 struct cfg80211_scan_info info = { 1022 .aborted = false, 1023 }; 1024 1025 ieee80211_scan_completed(phy->mt76->hw, &info); 1026 } 1027 dev_kfree_skb(skb); 1028 } 1029 } 1030 1031 static int 1032 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1033 struct ieee80211_scan_request *req) 1034 { 1035 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1036 struct mt76_phy *mphy = hw->priv; 1037 int err; 1038 1039 mt792x_mutex_acquire(dev); 1040 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1041 mt792x_mutex_release(dev); 1042 1043 return err; 1044 } 1045 1046 static void 1047 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1048 { 1049 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1050 struct mt76_phy *mphy = hw->priv; 1051 1052 mt792x_mutex_acquire(dev); 1053 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1054 mt792x_mutex_release(dev); 1055 } 1056 1057 static int 1058 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1059 struct cfg80211_sched_scan_request *req, 1060 struct ieee80211_scan_ies *ies) 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 1068 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1069 if (err < 0) 1070 goto out; 1071 1072 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1073 out: 1074 mt792x_mutex_release(dev); 1075 1076 return err; 1077 } 1078 1079 static int 1080 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1081 { 1082 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1083 struct mt76_phy *mphy = hw->priv; 1084 int err; 1085 1086 mt792x_mutex_acquire(dev); 1087 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1088 mt792x_mutex_release(dev); 1089 1090 return err; 1091 } 1092 1093 static int 1094 mt7921_set_antenna(struct ieee80211_hw *hw, int radio_idx, 1095 u32 tx_ant, u32 rx_ant) 1096 { 1097 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1098 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1099 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1100 1101 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1102 return -EINVAL; 1103 1104 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1105 return -EINVAL; 1106 1107 mt792x_mutex_acquire(dev); 1108 1109 phy->mt76->antenna_mask = tx_ant; 1110 phy->mt76->chainmask = tx_ant; 1111 1112 mt76_set_stream_caps(phy->mt76, true); 1113 mt7921_set_stream_he_caps(phy); 1114 1115 mt792x_mutex_release(dev); 1116 1117 return 0; 1118 } 1119 1120 #ifdef CONFIG_PM 1121 static int mt7921_suspend(struct ieee80211_hw *hw, 1122 struct cfg80211_wowlan *wowlan) 1123 { 1124 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1125 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1126 1127 cancel_delayed_work_sync(&phy->scan_work); 1128 cancel_delayed_work_sync(&phy->mt76->mac_work); 1129 1130 cancel_delayed_work_sync(&dev->pm.ps_work); 1131 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1132 1133 mt792x_mutex_acquire(dev); 1134 1135 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1136 ieee80211_iterate_active_interfaces(hw, 1137 IEEE80211_IFACE_ITER_RESUME_ALL, 1138 mt7921_mcu_set_suspend_iter, 1139 &dev->mphy); 1140 1141 mt792x_mutex_release(dev); 1142 1143 return 0; 1144 } 1145 1146 static int mt7921_resume(struct ieee80211_hw *hw) 1147 { 1148 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1149 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1150 1151 mt792x_mutex_acquire(dev); 1152 1153 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1154 ieee80211_iterate_active_interfaces(hw, 1155 IEEE80211_IFACE_ITER_RESUME_ALL, 1156 mt76_connac_mcu_set_suspend_iter, 1157 &dev->mphy); 1158 1159 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1160 MT792x_WATCHDOG_TIME); 1161 1162 mt792x_mutex_release(dev); 1163 1164 return 0; 1165 } 1166 1167 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1168 struct ieee80211_vif *vif, 1169 struct cfg80211_gtk_rekey_data *data) 1170 { 1171 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1172 1173 mt792x_mutex_acquire(dev); 1174 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1175 mt792x_mutex_release(dev); 1176 } 1177 #endif /* CONFIG_PM */ 1178 1179 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1180 struct ieee80211_vif *vif, 1181 struct ieee80211_sta *sta, 1182 bool enabled) 1183 { 1184 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1185 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1186 1187 if (!msta->deflink.wcid.sta) 1188 return; 1189 1190 mt792x_mutex_acquire(dev); 1191 1192 if (enabled) 1193 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1194 else 1195 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); 1196 1197 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid, 1198 MCU_UNI_CMD(STA_REC_UPDATE)); 1199 1200 mt792x_mutex_release(dev); 1201 } 1202 1203 #if IS_ENABLED(CONFIG_IPV6) 1204 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1205 struct ieee80211_vif *vif, 1206 struct inet6_dev *idev) 1207 { 1208 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1209 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1210 struct inet6_ifaddr *ifa; 1211 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1212 struct sk_buff *skb; 1213 u8 i, idx = 0; 1214 1215 struct { 1216 struct { 1217 u8 bss_idx; 1218 u8 pad[3]; 1219 } __packed hdr; 1220 struct mt76_connac_arpns_tlv arpns; 1221 } req_hdr = { 1222 .hdr = { 1223 .bss_idx = mvif->bss_conf.mt76.idx, 1224 }, 1225 .arpns = { 1226 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1227 .mode = 2, /* update */ 1228 .option = 1, /* update only */ 1229 }, 1230 }; 1231 1232 read_lock_bh(&idev->lock); 1233 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1234 if (ifa->flags & IFA_F_TENTATIVE) 1235 continue; 1236 ns_addrs[idx] = ifa->addr; 1237 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1238 break; 1239 } 1240 read_unlock_bh(&idev->lock); 1241 1242 if (!idx) 1243 return; 1244 1245 req_hdr.arpns.ips_num = idx; 1246 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1247 + idx * sizeof(struct in6_addr)); 1248 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1249 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1250 sizeof(req_hdr), GFP_ATOMIC); 1251 if (!skb) 1252 return; 1253 1254 for (i = 0; i < idx; i++) 1255 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1256 1257 skb_queue_tail(&dev->ipv6_ns_list, skb); 1258 1259 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1260 } 1261 #endif 1262 1263 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1264 const struct cfg80211_sar_specs *sar) 1265 { 1266 struct mt76_phy *mphy = hw->priv; 1267 1268 if (sar) { 1269 int err = mt76_init_sar_power(hw, sar); 1270 1271 if (err) 1272 return err; 1273 } 1274 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1275 1276 return mt76_connac_mcu_set_rate_txpower(mphy); 1277 } 1278 1279 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1280 const struct cfg80211_sar_specs *sar) 1281 { 1282 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1283 int err; 1284 1285 mt792x_mutex_acquire(dev); 1286 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1287 dev->country_ie_env); 1288 if (err < 0) 1289 goto out; 1290 1291 err = mt7921_set_tx_sar_pwr(hw, sar); 1292 out: 1293 mt792x_mutex_release(dev); 1294 1295 return err; 1296 } 1297 1298 static void 1299 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1300 struct ieee80211_vif *vif, 1301 struct cfg80211_chan_def *chandef) 1302 { 1303 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1304 1305 mt792x_mutex_acquire(dev); 1306 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1307 mt792x_mutex_release(dev); 1308 } 1309 1310 static int 1311 mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1312 struct ieee80211_bss_conf *link_conf) 1313 { 1314 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1315 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1316 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1317 int err; 1318 1319 mt792x_mutex_acquire(dev); 1320 1321 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, 1322 true, mvif->bss_conf.mt76.ctx); 1323 if (err) 1324 goto out; 1325 1326 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1327 if (err) 1328 goto out; 1329 1330 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1331 MT76_STA_INFO_STATE_NONE); 1332 out: 1333 mt792x_mutex_release(dev); 1334 1335 return err; 1336 } 1337 1338 static void 1339 mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1340 struct ieee80211_bss_conf *link_conf) 1341 { 1342 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1343 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1344 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1345 int err; 1346 1347 mt792x_mutex_acquire(dev); 1348 1349 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1350 if (err) 1351 goto out; 1352 1353 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false, 1354 mvif->bss_conf.mt76.ctx); 1355 1356 out: 1357 mt792x_mutex_release(dev); 1358 } 1359 1360 static int 1361 mt7921_add_chanctx(struct ieee80211_hw *hw, 1362 struct ieee80211_chanctx_conf *ctx) 1363 { 1364 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1365 1366 dev->new_ctx = ctx; 1367 return 0; 1368 } 1369 1370 static void 1371 mt7921_remove_chanctx(struct ieee80211_hw *hw, 1372 struct ieee80211_chanctx_conf *ctx) 1373 { 1374 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1375 1376 if (dev->new_ctx == ctx) 1377 dev->new_ctx = NULL; 1378 } 1379 1380 static void 1381 mt7921_change_chanctx(struct ieee80211_hw *hw, 1382 struct ieee80211_chanctx_conf *ctx, 1383 u32 changed) 1384 { 1385 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1386 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1387 struct ieee80211_vif *vif; 1388 struct mt792x_vif *mvif; 1389 1390 if (!mctx->bss_conf) 1391 return; 1392 1393 mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf); 1394 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1395 1396 mt792x_mutex_acquire(phy->dev); 1397 if (vif->type == NL80211_IFTYPE_MONITOR) 1398 mt7921_mcu_config_sniffer(mvif, ctx); 1399 else 1400 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx); 1401 mt792x_mutex_release(phy->dev); 1402 } 1403 1404 static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1405 struct ieee80211_vif *vif, 1406 struct ieee80211_prep_tx_info *info) 1407 { 1408 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1409 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1410 u16 duration = info->duration ? info->duration : 1411 jiffies_to_msecs(HZ); 1412 1413 mt792x_mutex_acquire(dev); 1414 mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration, 1415 MT7921_ROC_REQ_JOIN); 1416 mt792x_mutex_release(dev); 1417 } 1418 1419 static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1420 struct ieee80211_vif *vif, 1421 struct ieee80211_prep_tx_info *info) 1422 { 1423 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1424 1425 mt7921_abort_roc(mvif->phy, mvif); 1426 } 1427 1428 static int mt7921_switch_vif_chanctx(struct ieee80211_hw *hw, 1429 struct ieee80211_vif_chanctx_switch *vifs, 1430 int n_vifs, 1431 enum ieee80211_chanctx_switch_mode mode) 1432 { 1433 return mt792x_assign_vif_chanctx(hw, vifs->vif, vifs->link_conf, 1434 vifs->new_ctx); 1435 } 1436 1437 void mt7921_csa_work(struct work_struct *work) 1438 { 1439 struct mt792x_vif *mvif; 1440 struct mt792x_dev *dev; 1441 struct ieee80211_vif *vif; 1442 int ret; 1443 1444 mvif = (struct mt792x_vif *)container_of(work, struct mt792x_vif, 1445 csa_work); 1446 dev = mvif->phy->dev; 1447 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1448 1449 mt792x_mutex_acquire(dev); 1450 ret = mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, 1451 dev->new_ctx); 1452 mt792x_mutex_release(dev); 1453 1454 ieee80211_chswitch_done(vif, !ret, 0); 1455 } 1456 1457 static int mt7921_pre_channel_switch(struct ieee80211_hw *hw, 1458 struct ieee80211_vif *vif, 1459 struct ieee80211_channel_switch *chsw) 1460 { 1461 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) 1462 return -EOPNOTSUPP; 1463 1464 if (!cfg80211_chandef_usable(hw->wiphy, &chsw->chandef, 1465 IEEE80211_CHAN_DISABLED)) 1466 return -EOPNOTSUPP; 1467 1468 return 0; 1469 } 1470 1471 static void mt7921_channel_switch(struct ieee80211_hw *hw, 1472 struct ieee80211_vif *vif, 1473 struct ieee80211_channel_switch *chsw) 1474 { 1475 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1476 u16 beacon_interval = vif->bss_conf.beacon_int; 1477 1478 mvif->csa_timer.expires = TU_TO_EXP_TIME(beacon_interval * chsw->count); 1479 add_timer(&mvif->csa_timer); 1480 } 1481 1482 static void mt7921_abort_channel_switch(struct ieee80211_hw *hw, 1483 struct ieee80211_vif *vif, 1484 struct ieee80211_bss_conf *link_conf) 1485 { 1486 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1487 1488 timer_delete_sync(&mvif->csa_timer); 1489 cancel_work_sync(&mvif->csa_work); 1490 } 1491 1492 static void mt7921_channel_switch_rx_beacon(struct ieee80211_hw *hw, 1493 struct ieee80211_vif *vif, 1494 struct ieee80211_channel_switch *chsw) 1495 { 1496 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1497 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1498 u16 beacon_interval = vif->bss_conf.beacon_int; 1499 1500 if (cfg80211_chandef_identical(&chsw->chandef, 1501 &dev->new_ctx->def) && 1502 chsw->count) { 1503 mod_timer(&mvif->csa_timer, 1504 TU_TO_EXP_TIME(beacon_interval * chsw->count)); 1505 } 1506 } 1507 1508 static void mt7921_rfkill_poll(struct ieee80211_hw *hw) 1509 { 1510 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1511 int ret = 0; 1512 1513 mt792x_mutex_acquire(phy->dev); 1514 ret = mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_POLL); 1515 mt792x_mutex_release(phy->dev); 1516 1517 wiphy_rfkill_set_hw_state(hw->wiphy, ret ? false : true); 1518 } 1519 1520 const struct ieee80211_ops mt7921_ops = { 1521 .tx = mt792x_tx, 1522 .start = mt7921_start, 1523 .stop = mt7921_stop, 1524 .add_interface = mt7921_add_interface, 1525 .remove_interface = mt792x_remove_interface, 1526 .config = mt7921_config, 1527 .conf_tx = mt792x_conf_tx, 1528 .configure_filter = mt7921_configure_filter, 1529 .bss_info_changed = mt7921_bss_info_changed, 1530 .start_ap = mt7921_start_ap, 1531 .stop_ap = mt7921_stop_ap, 1532 .sta_state = mt7921_sta_state, 1533 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1534 .set_key = mt7921_set_key, 1535 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1536 #if IS_ENABLED(CONFIG_IPV6) 1537 .ipv6_addr_change = mt7921_ipv6_addr_change, 1538 #endif /* CONFIG_IPV6 */ 1539 .ampdu_action = mt7921_ampdu_action, 1540 .set_rts_threshold = mt7921_set_rts_threshold, 1541 .wake_tx_queue = mt76_wake_tx_queue, 1542 .release_buffered_frames = mt76_release_buffered_frames, 1543 .channel_switch_beacon = mt7921_channel_switch_beacon, 1544 .get_txpower = mt76_get_txpower, 1545 .get_stats = mt792x_get_stats, 1546 .get_et_sset_count = mt792x_get_et_sset_count, 1547 .get_et_strings = mt792x_get_et_strings, 1548 .get_et_stats = mt792x_get_et_stats, 1549 .get_tsf = mt792x_get_tsf, 1550 .set_tsf = mt792x_set_tsf, 1551 .get_survey = mt76_get_survey, 1552 .get_antenna = mt76_get_antenna, 1553 .set_antenna = mt7921_set_antenna, 1554 .set_coverage_class = mt792x_set_coverage_class, 1555 .hw_scan = mt7921_hw_scan, 1556 .cancel_hw_scan = mt7921_cancel_hw_scan, 1557 .sta_statistics = mt792x_sta_statistics, 1558 .sched_scan_start = mt7921_start_sched_scan, 1559 .sched_scan_stop = mt7921_stop_sched_scan, 1560 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1561 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1562 #ifdef CONFIG_PM 1563 .suspend = mt7921_suspend, 1564 .resume = mt7921_resume, 1565 .set_wakeup = mt792x_set_wakeup, 1566 .set_rekey_data = mt7921_set_rekey_data, 1567 #endif /* CONFIG_PM */ 1568 .flush = mt792x_flush, 1569 .set_sar_specs = mt7921_set_sar_specs, 1570 .rfkill_poll = mt7921_rfkill_poll, 1571 .remain_on_channel = mt7921_remain_on_channel, 1572 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1573 .add_chanctx = mt7921_add_chanctx, 1574 .remove_chanctx = mt7921_remove_chanctx, 1575 .change_chanctx = mt7921_change_chanctx, 1576 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1577 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1578 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1579 .mgd_complete_tx = mt7921_mgd_complete_tx, 1580 .switch_vif_chanctx = mt7921_switch_vif_chanctx, 1581 .pre_channel_switch = mt7921_pre_channel_switch, 1582 .channel_switch = mt7921_channel_switch, 1583 .abort_channel_switch = mt7921_abort_channel_switch, 1584 .channel_switch_rx_beacon = mt7921_channel_switch_rx_beacon, 1585 }; 1586 EXPORT_SYMBOL_GPL(mt7921_ops); 1587 1588 MODULE_DESCRIPTION("MediaTek MT7921 core driver"); 1589 MODULE_LICENSE("Dual BSD/GPL"); 1590 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1591