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 12static int 13mt7921_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 188void 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 219int __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); 245 246 return 0; 247} 248EXPORT_SYMBOL_GPL(__mt7921_start); 249 250static int mt7921_start(struct ieee80211_hw *hw) 251{ 252 struct mt792x_phy *phy = mt792x_hw_phy(hw); 253 int err; 254 255 mt792x_mutex_acquire(phy->dev); 256 err = __mt7921_start(phy); 257 mt792x_mutex_release(phy->dev); 258 259 return err; 260} 261 262static int 263mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 264{ 265 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 266 struct mt792x_dev *dev = mt792x_hw_dev(hw); 267 struct mt792x_phy *phy = mt792x_hw_phy(hw); 268 struct mt76_txq *mtxq; 269 int idx, ret = 0; 270 271 mt792x_mutex_acquire(dev); 272 273 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 274 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 275 ret = -ENOSPC; 276 goto out; 277 } 278 279 mvif->mt76.omac_idx = mvif->mt76.idx; 280 mvif->phy = phy; 281 mvif->mt76.band_idx = 0; 282 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 283 284 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 285 true); 286 if (ret) 287 goto out; 288 289 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 290 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 291 292 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 293 294 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 295 mvif->sta.wcid.idx = idx; 296 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 297 mvif->sta.wcid.hw_key_idx = -1; 298 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 299 mt76_wcid_init(&mvif->sta.wcid); 300 301 mt7921_mac_wtbl_update(dev, idx, 302 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 303 304 ewma_rssi_init(&mvif->rssi); 305 306 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 307 if (vif->txq) { 308 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 309 mtxq->wcid = idx; 310 } 311 312 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 313out: 314 mt792x_mutex_release(dev); 315 316 return ret; 317} 318 319static void mt7921_roc_iter(void *priv, u8 *mac, 320 struct ieee80211_vif *vif) 321{ 322 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 323 struct mt792x_phy *phy = priv; 324 325 mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); 326} 327 328void mt7921_roc_abort_sync(struct mt792x_dev *dev) 329{ 330 struct mt792x_phy *phy = &dev->phy; 331 332 del_timer_sync(&phy->roc_timer); 333 cancel_work_sync(&phy->roc_work); 334 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 335 ieee80211_iterate_active_interfaces(mt76_hw(dev), 336 IEEE80211_IFACE_ITER_RESUME_ALL, 337 mt7921_roc_iter, (void *)phy); 338} 339EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync); 340 341void mt7921_roc_work(struct work_struct *work) 342{ 343 struct mt792x_phy *phy; 344 345 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 346 roc_work); 347 348 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 349 return; 350 351 mt792x_mutex_acquire(phy->dev); 352 ieee80211_iterate_active_interfaces(phy->mt76->hw, 353 IEEE80211_IFACE_ITER_RESUME_ALL, 354 mt7921_roc_iter, phy); 355 mt792x_mutex_release(phy->dev); 356 ieee80211_remain_on_channel_expired(phy->mt76->hw); 357} 358 359static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 360{ 361 int err = 0; 362 363 del_timer_sync(&phy->roc_timer); 364 cancel_work_sync(&phy->roc_work); 365 366 mt792x_mutex_acquire(phy->dev); 367 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 368 err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 369 mt792x_mutex_release(phy->dev); 370 371 return err; 372} 373 374static int mt7921_set_roc(struct mt792x_phy *phy, 375 struct mt792x_vif *vif, 376 struct ieee80211_channel *chan, 377 int duration, 378 enum mt7921_roc_req type) 379{ 380 int err; 381 382 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 383 return -EBUSY; 384 385 phy->roc_grant = false; 386 387 err = mt7921_mcu_set_roc(phy, vif, chan, duration, type, 388 ++phy->roc_token_id); 389 if (err < 0) { 390 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 391 goto out; 392 } 393 394 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) { 395 mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); 396 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 397 err = -ETIMEDOUT; 398 } 399 400out: 401 return err; 402} 403 404static int mt7921_remain_on_channel(struct ieee80211_hw *hw, 405 struct ieee80211_vif *vif, 406 struct ieee80211_channel *chan, 407 int duration, 408 enum ieee80211_roc_type type) 409{ 410 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 411 struct mt792x_phy *phy = mt792x_hw_phy(hw); 412 int err; 413 414 mt792x_mutex_acquire(phy->dev); 415 err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); 416 mt792x_mutex_release(phy->dev); 417 418 return err; 419} 420 421static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, 422 struct ieee80211_vif *vif) 423{ 424 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 425 struct mt792x_phy *phy = mt792x_hw_phy(hw); 426 427 return mt7921_abort_roc(phy, mvif); 428} 429 430static int mt7921_set_channel(struct mt792x_phy *phy) 431{ 432 struct mt792x_dev *dev = phy->dev; 433 int ret; 434 435 cancel_delayed_work_sync(&phy->mt76->mac_work); 436 437 mt792x_mutex_acquire(dev); 438 set_bit(MT76_RESET, &phy->mt76->state); 439 440 mt76_set_channel(phy->mt76); 441 442 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 443 if (ret) 444 goto out; 445 446 mt792x_mac_set_timeing(phy); 447 448 mt792x_mac_reset_counters(phy); 449 phy->noise = 0; 450 451out: 452 clear_bit(MT76_RESET, &phy->mt76->state); 453 mt792x_mutex_release(dev); 454 455 mt76_worker_schedule(&dev->mt76.tx_worker); 456 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 457 MT792x_WATCHDOG_TIME); 458 459 return ret; 460} 461 462static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 463 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 464 struct ieee80211_key_conf *key) 465{ 466 struct mt792x_dev *dev = mt792x_hw_dev(hw); 467 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 468 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 469 &mvif->sta; 470 struct mt76_wcid *wcid = &msta->wcid; 471 u8 *wcid_keyidx = &wcid->hw_key_idx; 472 int idx = key->keyidx, err = 0; 473 474 /* The hardware does not support per-STA RX GTK, fallback 475 * to software mode for these. 476 */ 477 if ((vif->type == NL80211_IFTYPE_ADHOC || 478 vif->type == NL80211_IFTYPE_MESH_POINT) && 479 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 480 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 481 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 482 return -EOPNOTSUPP; 483 484 /* fall back to sw encryption for unsupported ciphers */ 485 switch (key->cipher) { 486 case WLAN_CIPHER_SUITE_AES_CMAC: 487 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 488 wcid_keyidx = &wcid->hw_key_idx2; 489 break; 490 case WLAN_CIPHER_SUITE_WEP40: 491 case WLAN_CIPHER_SUITE_WEP104: 492 if (!mvif->wep_sta) 493 return -EOPNOTSUPP; 494 break; 495 case WLAN_CIPHER_SUITE_TKIP: 496 case WLAN_CIPHER_SUITE_CCMP: 497 case WLAN_CIPHER_SUITE_CCMP_256: 498 case WLAN_CIPHER_SUITE_GCMP: 499 case WLAN_CIPHER_SUITE_GCMP_256: 500 case WLAN_CIPHER_SUITE_SMS4: 501 break; 502 default: 503 return -EOPNOTSUPP; 504 } 505 506 mt792x_mutex_acquire(dev); 507 508 if (cmd == SET_KEY) { 509 *wcid_keyidx = idx; 510 } else { 511 if (idx == *wcid_keyidx) 512 *wcid_keyidx = -1; 513 goto out; 514 } 515 516 mt76_wcid_key_setup(&dev->mt76, wcid, key); 517 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 518 key, MCU_UNI_CMD(STA_REC_UPDATE), 519 &msta->wcid, cmd); 520 if (err) 521 goto out; 522 523 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 524 key->cipher == WLAN_CIPHER_SUITE_WEP40) 525 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 526 &mvif->wep_sta->bip, 527 key, MCU_UNI_CMD(STA_REC_UPDATE), 528 &mvif->wep_sta->wcid, cmd); 529out: 530 mt792x_mutex_release(dev); 531 532 return err; 533} 534 535static void 536mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 537{ 538 struct mt792x_dev *dev = priv; 539 struct ieee80211_hw *hw = mt76_hw(dev); 540 bool pm_enable = dev->pm.enable; 541 int err; 542 543 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable); 544 if (err < 0) 545 return; 546 547 if (pm_enable) { 548 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 549 ieee80211_hw_set(hw, CONNECTION_MONITOR); 550 } else { 551 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 552 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 553 } 554} 555 556static void 557mt7921_sniffer_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 struct mt76_connac_pm *pm = &dev->pm; 562 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 563 564 mt7921_mcu_set_sniffer(dev, vif, monitor); 565 pm->enable = pm->enable_user && !monitor; 566 pm->ds_enable = pm->ds_enable_user && !monitor; 567 568 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 569 570 if (monitor) 571 mt7921_mcu_set_beacon_filter(dev, vif, false); 572} 573 574void mt7921_set_runtime_pm(struct mt792x_dev *dev) 575{ 576 struct ieee80211_hw *hw = mt76_hw(dev); 577 struct mt76_connac_pm *pm = &dev->pm; 578 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 579 580 pm->enable = pm->enable_user && !monitor; 581 ieee80211_iterate_active_interfaces(hw, 582 IEEE80211_IFACE_ITER_RESUME_ALL, 583 mt7921_pm_interface_iter, dev); 584 pm->ds_enable = pm->ds_enable_user && !monitor; 585 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 586} 587 588static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 589{ 590 struct mt792x_dev *dev = mt792x_hw_dev(hw); 591 struct mt792x_phy *phy = mt792x_hw_phy(hw); 592 int ret = 0; 593 594 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 595 ieee80211_stop_queues(hw); 596 ret = mt7921_set_channel(phy); 597 if (ret) 598 return ret; 599 ieee80211_wake_queues(hw); 600 } 601 602 mt792x_mutex_acquire(dev); 603 604 if (changed & IEEE80211_CONF_CHANGE_POWER) { 605 ret = mt7921_set_tx_sar_pwr(hw, NULL); 606 if (ret) 607 goto out; 608 } 609 610 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 611 ieee80211_iterate_active_interfaces(hw, 612 IEEE80211_IFACE_ITER_RESUME_ALL, 613 mt7921_sniffer_interface_iter, dev); 614 } 615 616out: 617 mt792x_mutex_release(dev); 618 619 return ret; 620} 621 622static void mt7921_configure_filter(struct ieee80211_hw *hw, 623 unsigned int changed_flags, 624 unsigned int *total_flags, 625 u64 multicast) 626{ 627#define MT7921_FILTER_FCSFAIL BIT(2) 628#define MT7921_FILTER_CONTROL BIT(5) 629#define MT7921_FILTER_OTHER_BSS BIT(6) 630#define MT7921_FILTER_ENABLE BIT(31) 631 632 struct mt792x_dev *dev = mt792x_hw_dev(hw); 633 u32 flags = MT7921_FILTER_ENABLE; 634 635#define MT7921_FILTER(_fif, _type) do { \ 636 if (*total_flags & (_fif)) \ 637 flags |= MT7921_FILTER_##_type; \ 638 } while (0) 639 640 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); 641 MT7921_FILTER(FIF_CONTROL, CONTROL); 642 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); 643 644 mt792x_mutex_acquire(dev); 645 mt7921_mcu_set_rxfilter(dev, flags, 0, 0); 646 mt792x_mutex_release(dev); 647 648 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 649} 650 651static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 652 struct ieee80211_vif *vif, 653 struct ieee80211_bss_conf *info, 654 u64 changed) 655{ 656 struct mt792x_phy *phy = mt792x_hw_phy(hw); 657 struct mt792x_dev *dev = mt792x_hw_dev(hw); 658 659 mt792x_mutex_acquire(dev); 660 661 if (changed & BSS_CHANGED_ERP_SLOT) { 662 int slottime = info->use_short_slot ? 9 : 20; 663 664 if (slottime != phy->slottime) { 665 phy->slottime = slottime; 666 mt792x_mac_set_timeing(phy); 667 } 668 } 669 670 if (changed & (BSS_CHANGED_BEACON | 671 BSS_CHANGED_BEACON_ENABLED)) 672 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 673 info->enable_beacon); 674 675 /* ensure that enable txcmd_mode after bss_info */ 676 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 677 mt7921_mcu_set_tx(dev, vif); 678 679 if (changed & BSS_CHANGED_PS) 680 mt7921_mcu_uni_bss_ps(dev, vif); 681 682 if (changed & BSS_CHANGED_ASSOC) { 683 mt7921_mcu_sta_update(dev, NULL, vif, true, 684 MT76_STA_INFO_STATE_ASSOC); 685 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 686 } 687 688 if (changed & BSS_CHANGED_ARP_FILTER) { 689 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 690 691 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 692 info); 693 } 694 695 mt792x_mutex_release(dev); 696} 697 698static void 699mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) 700{ 701 u32 *num = priv; 702 703 if (!priv) 704 return; 705 706 switch (vif->type) { 707 case NL80211_IFTYPE_STATION: 708 case NL80211_IFTYPE_P2P_CLIENT: 709 case NL80211_IFTYPE_AP: 710 case NL80211_IFTYPE_P2P_GO: 711 *num += 1; 712 break; 713 default: 714 break; 715 } 716} 717 718static void 719mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) 720{ 721 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 722 struct mt792x_phy *phy = mvif->phy; 723 struct mt792x_dev *dev = phy->dev; 724 u32 valid_vif_num = 0; 725 726 ieee80211_iterate_active_interfaces(mt76_hw(dev), 727 IEEE80211_IFACE_ITER_RESUME_ALL, 728 mt7921_calc_vif_num, &valid_vif_num); 729 730 if (valid_vif_num > 1) { 731 phy->power_type = MT_AP_DEFAULT; 732 goto out; 733 } 734 735 if (!is_add) 736 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; 737 738 switch (vif->bss_conf.power_type) { 739 case IEEE80211_REG_SP_AP: 740 phy->power_type = MT_AP_SP; 741 break; 742 case IEEE80211_REG_VLP_AP: 743 phy->power_type = MT_AP_VLP; 744 break; 745 case IEEE80211_REG_LPI_AP: 746 phy->power_type = MT_AP_LPI; 747 break; 748 case IEEE80211_REG_UNSET_AP: 749 phy->power_type = MT_AP_UNSET; 750 break; 751 default: 752 phy->power_type = MT_AP_DEFAULT; 753 break; 754 } 755 756out: 757 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); 758} 759 760int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 761 struct ieee80211_sta *sta) 762{ 763 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 764 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 765 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 766 int ret, idx; 767 768 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 769 if (idx < 0) 770 return -ENOSPC; 771 772 INIT_LIST_HEAD(&msta->wcid.poll_list); 773 msta->vif = mvif; 774 msta->wcid.sta = 1; 775 msta->wcid.idx = idx; 776 msta->wcid.phy_idx = mvif->mt76.band_idx; 777 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 778 msta->last_txs = jiffies; 779 780 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 781 if (ret) 782 return ret; 783 784 if (vif->type == NL80211_IFTYPE_STATION) 785 mvif->wep_sta = msta; 786 787 mt7921_mac_wtbl_update(dev, idx, 788 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 789 790 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 791 MT76_STA_INFO_STATE_NONE); 792 if (ret) 793 return ret; 794 795 mt7921_regd_set_6ghz_power_type(vif, true); 796 797 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 798 799 return 0; 800} 801EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 802 803void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 804 struct ieee80211_sta *sta) 805{ 806 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 807 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 808 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 809 810 mt792x_mutex_acquire(dev); 811 812 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 813 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 814 true, mvif->mt76.ctx); 815 816 ewma_avg_signal_init(&msta->avg_ack_signal); 817 818 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 819 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 820 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 821 822 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 823 824 mt792x_mutex_release(dev); 825} 826EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 827 828void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 829 struct ieee80211_sta *sta) 830{ 831 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 832 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 833 834 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 835 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 836 837 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 838 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 839 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 840 841 if (vif->type == NL80211_IFTYPE_STATION) { 842 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 843 844 mvif->wep_sta = NULL; 845 ewma_rssi_init(&mvif->rssi); 846 if (!sta->tdls) 847 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 848 &mvif->sta.wcid, false, 849 mvif->mt76.ctx); 850 } 851 852 spin_lock_bh(&dev->mt76.sta_poll_lock); 853 if (!list_empty(&msta->wcid.poll_list)) 854 list_del_init(&msta->wcid.poll_list); 855 spin_unlock_bh(&dev->mt76.sta_poll_lock); 856 857 mt7921_regd_set_6ghz_power_type(vif, false); 858 859 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 860} 861EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 862 863static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 864{ 865 struct mt792x_dev *dev = mt792x_hw_dev(hw); 866 867 mt792x_mutex_acquire(dev); 868 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 869 mt792x_mutex_release(dev); 870 871 return 0; 872} 873 874static int 875mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 876 struct ieee80211_ampdu_params *params) 877{ 878 enum ieee80211_ampdu_mlme_action action = params->action; 879 struct mt792x_dev *dev = mt792x_hw_dev(hw); 880 struct ieee80211_sta *sta = params->sta; 881 struct ieee80211_txq *txq = sta->txq[params->tid]; 882 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 883 u16 tid = params->tid; 884 u16 ssn = params->ssn; 885 struct mt76_txq *mtxq; 886 int ret = 0; 887 888 if (!txq) 889 return -EINVAL; 890 891 mtxq = (struct mt76_txq *)txq->drv_priv; 892 893 mt792x_mutex_acquire(dev); 894 switch (action) { 895 case IEEE80211_AMPDU_RX_START: 896 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 897 params->buf_size); 898 mt7921_mcu_uni_rx_ba(dev, params, true); 899 break; 900 case IEEE80211_AMPDU_RX_STOP: 901 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 902 mt7921_mcu_uni_rx_ba(dev, params, false); 903 break; 904 case IEEE80211_AMPDU_TX_OPERATIONAL: 905 mtxq->aggr = true; 906 mtxq->send_bar = false; 907 mt7921_mcu_uni_tx_ba(dev, params, true); 908 break; 909 case IEEE80211_AMPDU_TX_STOP_FLUSH: 910 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 911 mtxq->aggr = false; 912 clear_bit(tid, &msta->wcid.ampdu_state); 913 mt7921_mcu_uni_tx_ba(dev, params, false); 914 break; 915 case IEEE80211_AMPDU_TX_START: 916 set_bit(tid, &msta->wcid.ampdu_state); 917 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 918 break; 919 case IEEE80211_AMPDU_TX_STOP_CONT: 920 mtxq->aggr = false; 921 clear_bit(tid, &msta->wcid.ampdu_state); 922 mt7921_mcu_uni_tx_ba(dev, params, false); 923 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 924 break; 925 } 926 mt792x_mutex_release(dev); 927 928 return ret; 929} 930 931static int mt7921_sta_state(struct ieee80211_hw *hw, 932 struct ieee80211_vif *vif, 933 struct ieee80211_sta *sta, 934 enum ieee80211_sta_state old_state, 935 enum ieee80211_sta_state new_state) 936{ 937 struct mt792x_dev *dev = mt792x_hw_dev(hw); 938 939 if (dev->pm.ds_enable) { 940 mt792x_mutex_acquire(dev); 941 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 942 mt792x_mutex_release(dev); 943 } 944 945 return mt76_sta_state(hw, vif, sta, old_state, new_state); 946} 947 948void mt7921_scan_work(struct work_struct *work) 949{ 950 struct mt792x_phy *phy; 951 952 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 953 scan_work.work); 954 955 while (true) { 956 struct mt76_connac2_mcu_rxd *rxd; 957 struct sk_buff *skb; 958 959 spin_lock_bh(&phy->dev->mt76.lock); 960 skb = __skb_dequeue(&phy->scan_event_list); 961 spin_unlock_bh(&phy->dev->mt76.lock); 962 963 if (!skb) 964 break; 965 966 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 967 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 968 ieee80211_sched_scan_results(phy->mt76->hw); 969 } else if (test_and_clear_bit(MT76_HW_SCANNING, 970 &phy->mt76->state)) { 971 struct cfg80211_scan_info info = { 972 .aborted = false, 973 }; 974 975 ieee80211_scan_completed(phy->mt76->hw, &info); 976 } 977 dev_kfree_skb(skb); 978 } 979} 980 981static int 982mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 983 struct ieee80211_scan_request *req) 984{ 985 struct mt792x_dev *dev = mt792x_hw_dev(hw); 986 struct mt76_phy *mphy = hw->priv; 987 int err; 988 989 mt792x_mutex_acquire(dev); 990 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 991 mt792x_mutex_release(dev); 992 993 return err; 994} 995 996static void 997mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 998{ 999 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1000 struct mt76_phy *mphy = hw->priv; 1001 1002 mt792x_mutex_acquire(dev); 1003 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1004 mt792x_mutex_release(dev); 1005} 1006 1007static int 1008mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1009 struct cfg80211_sched_scan_request *req, 1010 struct ieee80211_scan_ies *ies) 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 1018 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1019 if (err < 0) 1020 goto out; 1021 1022 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1023out: 1024 mt792x_mutex_release(dev); 1025 1026 return err; 1027} 1028 1029static int 1030mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1031{ 1032 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1033 struct mt76_phy *mphy = hw->priv; 1034 int err; 1035 1036 mt792x_mutex_acquire(dev); 1037 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1038 mt792x_mutex_release(dev); 1039 1040 return err; 1041} 1042 1043static int 1044mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1045{ 1046 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1047 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1048 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1049 1050 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1051 return -EINVAL; 1052 1053 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1054 return -EINVAL; 1055 1056 mt792x_mutex_acquire(dev); 1057 1058 phy->mt76->antenna_mask = tx_ant; 1059 phy->mt76->chainmask = tx_ant; 1060 1061 mt76_set_stream_caps(phy->mt76, true); 1062 mt7921_set_stream_he_caps(phy); 1063 1064 mt792x_mutex_release(dev); 1065 1066 return 0; 1067} 1068 1069#ifdef CONFIG_PM 1070static int mt7921_suspend(struct ieee80211_hw *hw, 1071 struct cfg80211_wowlan *wowlan) 1072{ 1073 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1074 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1075 1076 cancel_delayed_work_sync(&phy->scan_work); 1077 cancel_delayed_work_sync(&phy->mt76->mac_work); 1078 1079 cancel_delayed_work_sync(&dev->pm.ps_work); 1080 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1081 1082 mt792x_mutex_acquire(dev); 1083 1084 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1085 ieee80211_iterate_active_interfaces(hw, 1086 IEEE80211_IFACE_ITER_RESUME_ALL, 1087 mt7921_mcu_set_suspend_iter, 1088 &dev->mphy); 1089 1090 mt792x_mutex_release(dev); 1091 1092 return 0; 1093} 1094 1095static int mt7921_resume(struct ieee80211_hw *hw) 1096{ 1097 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1098 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1099 1100 mt792x_mutex_acquire(dev); 1101 1102 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1103 ieee80211_iterate_active_interfaces(hw, 1104 IEEE80211_IFACE_ITER_RESUME_ALL, 1105 mt76_connac_mcu_set_suspend_iter, 1106 &dev->mphy); 1107 1108 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1109 MT792x_WATCHDOG_TIME); 1110 1111 mt792x_mutex_release(dev); 1112 1113 return 0; 1114} 1115 1116static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1117 struct ieee80211_vif *vif, 1118 struct cfg80211_gtk_rekey_data *data) 1119{ 1120 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1121 1122 mt792x_mutex_acquire(dev); 1123 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1124 mt792x_mutex_release(dev); 1125} 1126#endif /* CONFIG_PM */ 1127 1128static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1129 struct ieee80211_vif *vif, 1130 struct ieee80211_sta *sta, 1131 bool enabled) 1132{ 1133 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1134 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1135 1136 mt792x_mutex_acquire(dev); 1137 1138 if (enabled) 1139 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1140 else 1141 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1142 1143 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1144 MCU_UNI_CMD(STA_REC_UPDATE)); 1145 1146 mt792x_mutex_release(dev); 1147} 1148 1149#if IS_ENABLED(CONFIG_IPV6) 1150static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1151 struct ieee80211_vif *vif, 1152 struct inet6_dev *idev) 1153{ 1154 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1155 struct mt792x_dev *dev = mvif->phy->dev; 1156 struct inet6_ifaddr *ifa; 1157 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1158 struct sk_buff *skb; 1159 u8 i, idx = 0; 1160 1161 struct { 1162 struct { 1163 u8 bss_idx; 1164 u8 pad[3]; 1165 } __packed hdr; 1166 struct mt76_connac_arpns_tlv arpns; 1167 } req_hdr = { 1168 .hdr = { 1169 .bss_idx = mvif->mt76.idx, 1170 }, 1171 .arpns = { 1172 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1173 .mode = 2, /* update */ 1174 .option = 1, /* update only */ 1175 }, 1176 }; 1177 1178 read_lock_bh(&idev->lock); 1179 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1180 if (ifa->flags & IFA_F_TENTATIVE) 1181 continue; 1182 ns_addrs[idx] = ifa->addr; 1183 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1184 break; 1185 } 1186 read_unlock_bh(&idev->lock); 1187 1188 if (!idx) 1189 return; 1190 1191 req_hdr.arpns.ips_num = idx; 1192 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1193 + idx * sizeof(struct in6_addr)); 1194 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, 1195 sizeof(req_hdr) + idx * sizeof(struct in6_addr), 1196 sizeof(req_hdr), GFP_ATOMIC); 1197 if (!skb) 1198 return; 1199 1200 for (i = 0; i < idx; i++) 1201 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1202 1203 skb_queue_tail(&dev->ipv6_ns_list, skb); 1204 1205 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1206} 1207#endif 1208 1209int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw, 1210 const struct cfg80211_sar_specs *sar) 1211{ 1212 struct mt76_phy *mphy = hw->priv; 1213 1214 if (sar) { 1215 int err = mt76_init_sar_power(hw, sar); 1216 1217 if (err) 1218 return err; 1219 } 1220 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1221 1222 return mt76_connac_mcu_set_rate_txpower(mphy); 1223} 1224 1225static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1226 const struct cfg80211_sar_specs *sar) 1227{ 1228 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1229 int err; 1230 1231 mt792x_mutex_acquire(dev); 1232 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, 1233 dev->country_ie_env); 1234 if (err < 0) 1235 goto out; 1236 1237 err = mt7921_set_tx_sar_pwr(hw, sar); 1238out: 1239 mt792x_mutex_release(dev); 1240 1241 return err; 1242} 1243 1244static void 1245mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1246 struct ieee80211_vif *vif, 1247 struct cfg80211_chan_def *chandef) 1248{ 1249 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1250 1251 mt792x_mutex_acquire(dev); 1252 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1253 mt792x_mutex_release(dev); 1254} 1255 1256static int 1257mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1258 struct ieee80211_bss_conf *link_conf) 1259{ 1260 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1261 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1262 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1263 int err; 1264 1265 mt792x_mutex_acquire(dev); 1266 1267 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 1268 true, mvif->mt76.ctx); 1269 if (err) 1270 goto out; 1271 1272 err = mt7921_mcu_set_bss_pm(dev, vif, true); 1273 if (err) 1274 goto out; 1275 1276 err = mt7921_mcu_sta_update(dev, NULL, vif, true, 1277 MT76_STA_INFO_STATE_NONE); 1278out: 1279 mt792x_mutex_release(dev); 1280 1281 return err; 1282} 1283 1284static void 1285mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1286 struct ieee80211_bss_conf *link_conf) 1287{ 1288 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1289 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1290 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1291 int err; 1292 1293 mt792x_mutex_acquire(dev); 1294 1295 err = mt7921_mcu_set_bss_pm(dev, vif, false); 1296 if (err) 1297 goto out; 1298 1299 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, false, 1300 mvif->mt76.ctx); 1301 1302out: 1303 mt792x_mutex_release(dev); 1304} 1305 1306static int 1307mt7921_add_chanctx(struct ieee80211_hw *hw, 1308 struct ieee80211_chanctx_conf *ctx) 1309{ 1310 return 0; 1311} 1312 1313static void 1314mt7921_remove_chanctx(struct ieee80211_hw *hw, 1315 struct ieee80211_chanctx_conf *ctx) 1316{ 1317} 1318 1319static void mt7921_ctx_iter(void *priv, u8 *mac, 1320 struct ieee80211_vif *vif) 1321{ 1322 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1323 struct ieee80211_chanctx_conf *ctx = priv; 1324 1325 if (ctx != mvif->mt76.ctx) 1326 return; 1327 1328 if (vif->type == NL80211_IFTYPE_MONITOR) 1329 mt7921_mcu_config_sniffer(mvif, ctx); 1330 else 1331 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1332} 1333 1334static void 1335mt7921_change_chanctx(struct ieee80211_hw *hw, 1336 struct ieee80211_chanctx_conf *ctx, 1337 u32 changed) 1338{ 1339 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1340 1341 mt792x_mutex_acquire(phy->dev); 1342 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1343 IEEE80211_IFACE_ITER_ACTIVE, 1344 mt7921_ctx_iter, ctx); 1345 mt792x_mutex_release(phy->dev); 1346} 1347 1348static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, 1349 struct ieee80211_vif *vif, 1350 struct ieee80211_prep_tx_info *info) 1351{ 1352 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1353 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1354 u16 duration = info->duration ? info->duration : 1355 jiffies_to_msecs(HZ); 1356 1357 mt792x_mutex_acquire(dev); 1358 mt7921_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1359 MT7921_ROC_REQ_JOIN); 1360 mt792x_mutex_release(dev); 1361} 1362 1363static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, 1364 struct ieee80211_vif *vif, 1365 struct ieee80211_prep_tx_info *info) 1366{ 1367 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1368 1369 mt7921_abort_roc(mvif->phy, mvif); 1370} 1371 1372const struct ieee80211_ops mt7921_ops = { 1373 .tx = mt792x_tx, 1374 .start = mt7921_start, 1375 .stop = mt792x_stop, 1376 .add_interface = mt7921_add_interface, 1377 .remove_interface = mt792x_remove_interface, 1378 .config = mt7921_config, 1379 .conf_tx = mt792x_conf_tx, 1380 .configure_filter = mt7921_configure_filter, 1381 .bss_info_changed = mt7921_bss_info_changed, 1382 .start_ap = mt7921_start_ap, 1383 .stop_ap = mt7921_stop_ap, 1384 .sta_state = mt7921_sta_state, 1385 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1386 .set_key = mt7921_set_key, 1387 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1388#if IS_ENABLED(CONFIG_IPV6) 1389 .ipv6_addr_change = mt7921_ipv6_addr_change, 1390#endif /* CONFIG_IPV6 */ 1391 .ampdu_action = mt7921_ampdu_action, 1392 .set_rts_threshold = mt7921_set_rts_threshold, 1393 .wake_tx_queue = mt76_wake_tx_queue, 1394 .release_buffered_frames = mt76_release_buffered_frames, 1395 .channel_switch_beacon = mt7921_channel_switch_beacon, 1396 .get_txpower = mt76_get_txpower, 1397 .get_stats = mt792x_get_stats, 1398 .get_et_sset_count = mt792x_get_et_sset_count, 1399 .get_et_strings = mt792x_get_et_strings, 1400 .get_et_stats = mt792x_get_et_stats, 1401 .get_tsf = mt792x_get_tsf, 1402 .set_tsf = mt792x_set_tsf, 1403 .get_survey = mt76_get_survey, 1404 .get_antenna = mt76_get_antenna, 1405 .set_antenna = mt7921_set_antenna, 1406 .set_coverage_class = mt792x_set_coverage_class, 1407 .hw_scan = mt7921_hw_scan, 1408 .cancel_hw_scan = mt7921_cancel_hw_scan, 1409 .sta_statistics = mt792x_sta_statistics, 1410 .sched_scan_start = mt7921_start_sched_scan, 1411 .sched_scan_stop = mt7921_stop_sched_scan, 1412 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1413 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1414#ifdef CONFIG_PM 1415 .suspend = mt7921_suspend, 1416 .resume = mt7921_resume, 1417 .set_wakeup = mt792x_set_wakeup, 1418 .set_rekey_data = mt7921_set_rekey_data, 1419#endif /* CONFIG_PM */ 1420 .flush = mt792x_flush, 1421 .set_sar_specs = mt7921_set_sar_specs, 1422 .remain_on_channel = mt7921_remain_on_channel, 1423 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, 1424 .add_chanctx = mt7921_add_chanctx, 1425 .remove_chanctx = mt7921_remove_chanctx, 1426 .change_chanctx = mt7921_change_chanctx, 1427 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1428 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1429 .mgd_prepare_tx = mt7921_mgd_prepare_tx, 1430 .mgd_complete_tx = mt7921_mgd_complete_tx, 1431}; 1432EXPORT_SYMBOL_GPL(mt7921_ops); 1433 1434MODULE_DESCRIPTION("MediaTek MT7921 core driver"); 1435MODULE_LICENSE("Dual BSD/GPL"); 1436MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1437