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1// SPDX-License-Identifier: ISC2/* 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 int13mt7921_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 else24 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 else57 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 else95 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 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}257EXPORT_SYMBOL_GPL(__mt7921_start);258 259static 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 271static 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 287static int288mt7921_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;341out:342 mt792x_mutex_release(dev);343 344 return ret;345}346 347static 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 356void 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}367EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync);368 369void 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 387static 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 402static 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 428out:429 return err;430}431 432static 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 449static 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 458int mt7921_set_channel(struct mt76_phy *mphy)459{460 struct mt792x_phy *phy = mphy->priv;461 struct mt792x_dev *dev = phy->dev;462 int ret;463 464 mt76_connac_pm_wake(mphy, &dev->pm);465 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));466 if (ret)467 goto out;468 469 mt792x_mac_set_timeing(phy);470 mt792x_mac_reset_counters(phy);471 phy->noise = 0;472 473out:474 mt76_connac_power_save_sched(mphy, &dev->pm);475 476 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,477 MT792x_WATCHDOG_TIME);478 479 return ret;480}481EXPORT_SYMBOL_GPL(mt7921_set_channel);482 483static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,484 struct ieee80211_vif *vif, struct ieee80211_sta *sta,485 struct ieee80211_key_conf *key)486{487 struct mt792x_dev *dev = mt792x_hw_dev(hw);488 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;489 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :490 &mvif->sta;491 struct mt76_wcid *wcid = &msta->deflink.wcid;492 u8 *wcid_keyidx = &wcid->hw_key_idx;493 int idx = key->keyidx, err = 0;494 495 /* The hardware does not support per-STA RX GTK, fallback496 * to software mode for these.497 */498 if ((vif->type == NL80211_IFTYPE_ADHOC ||499 vif->type == NL80211_IFTYPE_MESH_POINT) &&500 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||501 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&502 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))503 return -EOPNOTSUPP;504 505 /* fall back to sw encryption for unsupported ciphers */506 switch (key->cipher) {507 case WLAN_CIPHER_SUITE_AES_CMAC:508 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;509 wcid_keyidx = &wcid->hw_key_idx2;510 break;511 case WLAN_CIPHER_SUITE_WEP40:512 case WLAN_CIPHER_SUITE_WEP104:513 if (!mvif->wep_sta)514 return -EOPNOTSUPP;515 break;516 case WLAN_CIPHER_SUITE_TKIP:517 case WLAN_CIPHER_SUITE_CCMP:518 case WLAN_CIPHER_SUITE_CCMP_256:519 case WLAN_CIPHER_SUITE_GCMP:520 case WLAN_CIPHER_SUITE_GCMP_256:521 case WLAN_CIPHER_SUITE_SMS4:522 break;523 default:524 return -EOPNOTSUPP;525 }526 527 mt792x_mutex_acquire(dev);528 529 if (cmd == SET_KEY) {530 *wcid_keyidx = idx;531 } else {532 if (idx == *wcid_keyidx)533 *wcid_keyidx = -1;534 goto out;535 }536 537 mt76_wcid_key_setup(&dev->mt76, wcid, key);538 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip,539 key, MCU_UNI_CMD(STA_REC_UPDATE),540 &msta->deflink.wcid, cmd);541 if (err)542 goto out;543 544 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||545 key->cipher == WLAN_CIPHER_SUITE_WEP40)546 err = mt76_connac_mcu_add_key(&dev->mt76, vif,547 &mvif->wep_sta->deflink.bip,548 key, MCU_UNI_CMD(STA_REC_UPDATE),549 &mvif->wep_sta->deflink.wcid, cmd);550out:551 mt792x_mutex_release(dev);552 553 return err;554}555 556static void557mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)558{559 struct mt792x_dev *dev = priv;560 struct ieee80211_hw *hw = mt76_hw(dev);561 bool pm_enable = dev->pm.enable;562 int err;563 564 err = mt7921_mcu_set_beacon_filter(dev, vif, pm_enable);565 if (err < 0)566 return;567 568 if (pm_enable) {569 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;570 ieee80211_hw_set(hw, CONNECTION_MONITOR);571 } else {572 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;573 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);574 }575}576 577static void578mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)579{580 struct mt792x_dev *dev = priv;581 struct ieee80211_hw *hw = mt76_hw(dev);582 struct mt76_connac_pm *pm = &dev->pm;583 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);584 585 mt7921_mcu_set_sniffer(dev, vif, monitor);586 pm->enable = pm->enable_user && !monitor;587 pm->ds_enable = pm->ds_enable_user && !monitor;588 589 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);590 591 if (monitor)592 mt7921_mcu_set_beacon_filter(dev, vif, false);593}594 595void mt7921_set_runtime_pm(struct mt792x_dev *dev)596{597 struct ieee80211_hw *hw = mt76_hw(dev);598 struct mt76_connac_pm *pm = &dev->pm;599 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);600 601 pm->enable = pm->enable_user && !monitor;602 ieee80211_iterate_active_interfaces(hw,603 IEEE80211_IFACE_ITER_RESUME_ALL,604 mt7921_pm_interface_iter, dev);605 pm->ds_enable = pm->ds_enable_user && !monitor;606 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable);607}608 609static int mt7921_config(struct ieee80211_hw *hw, u32 changed)610{611 struct mt792x_dev *dev = mt792x_hw_dev(hw);612 struct mt792x_phy *phy = mt792x_hw_phy(hw);613 int ret = 0;614 615 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {616 ret = mt76_update_channel(phy->mt76);617 if (ret)618 return ret;619 }620 621 mt792x_mutex_acquire(dev);622 623 if (changed & IEEE80211_CONF_CHANGE_POWER) {624 ret = mt7921_set_tx_sar_pwr(hw, NULL);625 if (ret)626 goto out;627 }628 629 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {630 ieee80211_iterate_active_interfaces(hw,631 IEEE80211_IFACE_ITER_RESUME_ALL,632 mt7921_sniffer_interface_iter, dev);633 }634 635out:636 mt792x_mutex_release(dev);637 638 return ret;639}640 641static void mt7921_configure_filter(struct ieee80211_hw *hw,642 unsigned int changed_flags,643 unsigned int *total_flags,644 u64 multicast)645{646#define MT7921_FILTER_FCSFAIL BIT(2)647#define MT7921_FILTER_CONTROL BIT(5)648#define MT7921_FILTER_OTHER_BSS BIT(6)649#define MT7921_FILTER_ENABLE BIT(31)650 651 struct mt792x_dev *dev = mt792x_hw_dev(hw);652 u32 flags = MT7921_FILTER_ENABLE;653 654#define MT7921_FILTER(_fif, _type) do { \655 if (*total_flags & (_fif)) \656 flags |= MT7921_FILTER_##_type; \657 } while (0)658 659 MT7921_FILTER(FIF_FCSFAIL, FCSFAIL);660 MT7921_FILTER(FIF_CONTROL, CONTROL);661 MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS);662 663 mt792x_mutex_acquire(dev);664 mt7921_mcu_set_rxfilter(dev, flags, 0, 0);665 mt792x_mutex_release(dev);666 667 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);668}669 670static void mt7921_bss_info_changed(struct ieee80211_hw *hw,671 struct ieee80211_vif *vif,672 struct ieee80211_bss_conf *info,673 u64 changed)674{675 struct mt792x_phy *phy = mt792x_hw_phy(hw);676 struct mt792x_dev *dev = mt792x_hw_dev(hw);677 678 mt792x_mutex_acquire(dev);679 680 if (changed & BSS_CHANGED_ERP_SLOT) {681 int slottime = info->use_short_slot ? 9 : 20;682 683 if (slottime != phy->slottime) {684 phy->slottime = slottime;685 mt792x_mac_set_timeing(phy);686 }687 }688 689 if (changed & (BSS_CHANGED_BEACON |690 BSS_CHANGED_BEACON_ENABLED))691 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif,692 info->enable_beacon);693 694 /* ensure that enable txcmd_mode after bss_info */695 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))696 mt7921_mcu_set_tx(dev, vif);697 698 if (changed & BSS_CHANGED_PS)699 mt7921_mcu_uni_bss_ps(dev, vif);700 701 if (changed & BSS_CHANGED_CQM)702 mt7921_mcu_set_rssimonitor(dev, vif);703 704 if (changed & BSS_CHANGED_ASSOC) {705 mt7921_mcu_sta_update(dev, NULL, vif, true,706 MT76_STA_INFO_STATE_ASSOC);707 mt7921_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);708 }709 710 if (changed & BSS_CHANGED_ARP_FILTER) {711 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;712 713 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76,714 info);715 }716 717 mt792x_mutex_release(dev);718}719 720static void721mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif)722{723 u32 *num = priv;724 725 if (!priv)726 return;727 728 switch (vif->type) {729 case NL80211_IFTYPE_STATION:730 case NL80211_IFTYPE_P2P_CLIENT:731 case NL80211_IFTYPE_AP:732 case NL80211_IFTYPE_P2P_GO:733 *num += 1;734 break;735 default:736 break;737 }738}739 740static void741mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add)742{743 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;744 struct mt792x_phy *phy = mvif->phy;745 struct mt792x_dev *dev = phy->dev;746 u32 valid_vif_num = 0;747 748 ieee80211_iterate_active_interfaces(mt76_hw(dev),749 IEEE80211_IFACE_ITER_RESUME_ALL,750 mt7921_calc_vif_num, &valid_vif_num);751 752 if (valid_vif_num > 1) {753 phy->power_type = MT_AP_DEFAULT;754 goto out;755 }756 757 if (!is_add)758 vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP;759 760 switch (vif->bss_conf.power_type) {761 case IEEE80211_REG_SP_AP:762 phy->power_type = MT_AP_SP;763 break;764 case IEEE80211_REG_VLP_AP:765 phy->power_type = MT_AP_VLP;766 break;767 case IEEE80211_REG_LPI_AP:768 phy->power_type = MT_AP_LPI;769 break;770 case IEEE80211_REG_UNSET_AP:771 phy->power_type = MT_AP_UNSET;772 break;773 default:774 phy->power_type = MT_AP_DEFAULT;775 break;776 }777 778out:779 mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env);780}781 782int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,783 struct ieee80211_sta *sta)784{785 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);786 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;787 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;788 int ret, idx;789 790 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);791 if (idx < 0)792 return -ENOSPC;793 794 INIT_LIST_HEAD(&msta->deflink.wcid.poll_list);795 msta->vif = mvif;796 msta->deflink.wcid.sta = 1;797 msta->deflink.wcid.idx = idx;798 msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx;799 msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET;800 msta->deflink.last_txs = jiffies;801 802 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);803 if (ret)804 return ret;805 806 if (vif->type == NL80211_IFTYPE_STATION)807 mvif->wep_sta = msta;808 809 mt7921_mac_wtbl_update(dev, idx,810 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);811 812 ret = mt7921_mcu_sta_update(dev, sta, vif, true,813 MT76_STA_INFO_STATE_NONE);814 if (ret)815 return ret;816 817 mt7921_regd_set_6ghz_power_type(vif, true);818 819 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);820 821 return 0;822}823EXPORT_SYMBOL_GPL(mt7921_mac_sta_add);824 825int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,826 struct ieee80211_sta *sta, enum mt76_sta_event ev)827{828 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);829 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;830 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;831 832 if (ev != MT76_STA_EVENT_ASSOC)833 return 0;834 835 mt792x_mutex_acquire(dev);836 837 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)838 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid,839 true, mvif->bss_conf.mt76.ctx);840 841 ewma_avg_signal_init(&msta->deflink.avg_ack_signal);842 843 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,844 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);845 memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac));846 847 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC);848 849 mt792x_mutex_release(dev);850 851 return 0;852}853EXPORT_SYMBOL_GPL(mt7921_mac_sta_event);854 855void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,856 struct ieee80211_sta *sta)857{858 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);859 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;860 861 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.wcid);862 mt76_connac_pm_wake(&dev->mphy, &dev->pm);863 864 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE);865 mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx,866 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);867 868 if (vif->type == NL80211_IFTYPE_STATION) {869 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;870 871 mvif->wep_sta = NULL;872 ewma_rssi_init(&mvif->bss_conf.rssi);873 if (!sta->tdls)874 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,875 &mvif->sta.deflink.wcid, false,876 mvif->bss_conf.mt76.ctx);877 }878 879 spin_lock_bh(&dev->mt76.sta_poll_lock);880 if (!list_empty(&msta->deflink.wcid.poll_list))881 list_del_init(&msta->deflink.wcid.poll_list);882 spin_unlock_bh(&dev->mt76.sta_poll_lock);883 884 mt7921_regd_set_6ghz_power_type(vif, false);885 886 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);887}888EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove);889 890static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val)891{892 struct mt792x_dev *dev = mt792x_hw_dev(hw);893 894 mt792x_mutex_acquire(dev);895 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0);896 mt792x_mutex_release(dev);897 898 return 0;899}900 901static int902mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,903 struct ieee80211_ampdu_params *params)904{905 enum ieee80211_ampdu_mlme_action action = params->action;906 struct mt792x_dev *dev = mt792x_hw_dev(hw);907 struct ieee80211_sta *sta = params->sta;908 struct ieee80211_txq *txq = sta->txq[params->tid];909 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;910 u16 tid = params->tid;911 u16 ssn = params->ssn;912 struct mt76_txq *mtxq;913 int ret = 0;914 915 if (!txq)916 return -EINVAL;917 918 mtxq = (struct mt76_txq *)txq->drv_priv;919 920 mt792x_mutex_acquire(dev);921 switch (action) {922 case IEEE80211_AMPDU_RX_START:923 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,924 params->buf_size);925 mt7921_mcu_uni_rx_ba(dev, params, true);926 break;927 case IEEE80211_AMPDU_RX_STOP:928 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);929 mt7921_mcu_uni_rx_ba(dev, params, false);930 break;931 case IEEE80211_AMPDU_TX_OPERATIONAL:932 mtxq->aggr = true;933 mtxq->send_bar = false;934 mt7921_mcu_uni_tx_ba(dev, params, true);935 break;936 case IEEE80211_AMPDU_TX_STOP_FLUSH:937 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:938 mtxq->aggr = false;939 clear_bit(tid, &msta->deflink.wcid.ampdu_state);940 mt7921_mcu_uni_tx_ba(dev, params, false);941 break;942 case IEEE80211_AMPDU_TX_START:943 set_bit(tid, &msta->deflink.wcid.ampdu_state);944 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;945 break;946 case IEEE80211_AMPDU_TX_STOP_CONT:947 mtxq->aggr = false;948 clear_bit(tid, &msta->deflink.wcid.ampdu_state);949 mt7921_mcu_uni_tx_ba(dev, params, false);950 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);951 break;952 }953 mt792x_mutex_release(dev);954 955 return ret;956}957 958static int mt7921_sta_state(struct ieee80211_hw *hw,959 struct ieee80211_vif *vif,960 struct ieee80211_sta *sta,961 enum ieee80211_sta_state old_state,962 enum ieee80211_sta_state new_state)963{964 struct mt792x_dev *dev = mt792x_hw_dev(hw);965 966 if (dev->pm.ds_enable) {967 mt792x_mutex_acquire(dev);968 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state);969 mt792x_mutex_release(dev);970 }971 972 return mt76_sta_state(hw, vif, sta, old_state, new_state);973}974 975void mt7921_scan_work(struct work_struct *work)976{977 struct mt792x_phy *phy;978 979 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,980 scan_work.work);981 982 while (true) {983 struct mt76_connac2_mcu_rxd *rxd;984 struct sk_buff *skb;985 986 spin_lock_bh(&phy->dev->mt76.lock);987 skb = __skb_dequeue(&phy->scan_event_list);988 spin_unlock_bh(&phy->dev->mt76.lock);989 990 if (!skb)991 break;992 993 rxd = (struct mt76_connac2_mcu_rxd *)skb->data;994 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {995 ieee80211_sched_scan_results(phy->mt76->hw);996 } else if (test_and_clear_bit(MT76_HW_SCANNING,997 &phy->mt76->state)) {998 struct cfg80211_scan_info info = {999 .aborted = false,1000 };1001 1002 ieee80211_scan_completed(phy->mt76->hw, &info);1003 }1004 dev_kfree_skb(skb);1005 }1006}1007 1008static int1009mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1010 struct ieee80211_scan_request *req)1011{1012 struct mt792x_dev *dev = mt792x_hw_dev(hw);1013 struct mt76_phy *mphy = hw->priv;1014 int err;1015 1016 mt792x_mutex_acquire(dev);1017 err = mt76_connac_mcu_hw_scan(mphy, vif, req);1018 mt792x_mutex_release(dev);1019 1020 return err;1021}1022 1023static void1024mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)1025{1026 struct mt792x_dev *dev = mt792x_hw_dev(hw);1027 struct mt76_phy *mphy = hw->priv;1028 1029 mt792x_mutex_acquire(dev);1030 mt76_connac_mcu_cancel_hw_scan(mphy, vif);1031 mt792x_mutex_release(dev);1032}1033 1034static int1035mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1036 struct cfg80211_sched_scan_request *req,1037 struct ieee80211_scan_ies *ies)1038{1039 struct mt792x_dev *dev = mt792x_hw_dev(hw);1040 struct mt76_phy *mphy = hw->priv;1041 int err;1042 1043 mt792x_mutex_acquire(dev);1044 1045 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);1046 if (err < 0)1047 goto out;1048 1049 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);1050out:1051 mt792x_mutex_release(dev);1052 1053 return err;1054}1055 1056static int1057mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)1058{1059 struct mt792x_dev *dev = mt792x_hw_dev(hw);1060 struct mt76_phy *mphy = hw->priv;1061 int err;1062 1063 mt792x_mutex_acquire(dev);1064 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);1065 mt792x_mutex_release(dev);1066 1067 return err;1068}1069 1070static int1071mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)1072{1073 struct mt792x_dev *dev = mt792x_hw_dev(hw);1074 struct mt792x_phy *phy = mt792x_hw_phy(hw);1075 int max_nss = hweight8(hw->wiphy->available_antennas_tx);1076 1077 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)1078 return -EINVAL;1079 1080 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)1081 return -EINVAL;1082 1083 mt792x_mutex_acquire(dev);1084 1085 phy->mt76->antenna_mask = tx_ant;1086 phy->mt76->chainmask = tx_ant;1087 1088 mt76_set_stream_caps(phy->mt76, true);1089 mt7921_set_stream_he_caps(phy);1090 1091 mt792x_mutex_release(dev);1092 1093 return 0;1094}1095 1096#ifdef CONFIG_PM1097static int mt7921_suspend(struct ieee80211_hw *hw,1098 struct cfg80211_wowlan *wowlan)1099{1100 struct mt792x_dev *dev = mt792x_hw_dev(hw);1101 struct mt792x_phy *phy = mt792x_hw_phy(hw);1102 1103 cancel_delayed_work_sync(&phy->scan_work);1104 cancel_delayed_work_sync(&phy->mt76->mac_work);1105 1106 cancel_delayed_work_sync(&dev->pm.ps_work);1107 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);1108 1109 mt792x_mutex_acquire(dev);1110 1111 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);1112 ieee80211_iterate_active_interfaces(hw,1113 IEEE80211_IFACE_ITER_RESUME_ALL,1114 mt7921_mcu_set_suspend_iter,1115 &dev->mphy);1116 1117 mt792x_mutex_release(dev);1118 1119 return 0;1120}1121 1122static int mt7921_resume(struct ieee80211_hw *hw)1123{1124 struct mt792x_dev *dev = mt792x_hw_dev(hw);1125 struct mt792x_phy *phy = mt792x_hw_phy(hw);1126 1127 mt792x_mutex_acquire(dev);1128 1129 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);1130 ieee80211_iterate_active_interfaces(hw,1131 IEEE80211_IFACE_ITER_RESUME_ALL,1132 mt76_connac_mcu_set_suspend_iter,1133 &dev->mphy);1134 1135 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,1136 MT792x_WATCHDOG_TIME);1137 1138 mt792x_mutex_release(dev);1139 1140 return 0;1141}1142 1143static void mt7921_set_rekey_data(struct ieee80211_hw *hw,1144 struct ieee80211_vif *vif,1145 struct cfg80211_gtk_rekey_data *data)1146{1147 struct mt792x_dev *dev = mt792x_hw_dev(hw);1148 1149 mt792x_mutex_acquire(dev);1150 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);1151 mt792x_mutex_release(dev);1152}1153#endif /* CONFIG_PM */1154 1155static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw,1156 struct ieee80211_vif *vif,1157 struct ieee80211_sta *sta,1158 bool enabled)1159{1160 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1161 struct mt792x_dev *dev = mt792x_hw_dev(hw);1162 1163 mt792x_mutex_acquire(dev);1164 1165 if (enabled)1166 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);1167 else1168 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags);1169 1170 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid,1171 MCU_UNI_CMD(STA_REC_UPDATE));1172 1173 mt792x_mutex_release(dev);1174}1175 1176#if IS_ENABLED(CONFIG_IPV6)1177static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw,1178 struct ieee80211_vif *vif,1179 struct inet6_dev *idev)1180{1181 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1182 struct mt792x_dev *dev = mt792x_hw_dev(hw);1183 struct inet6_ifaddr *ifa;1184 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];1185 struct sk_buff *skb;1186 u8 i, idx = 0;1187 1188 struct {1189 struct {1190 u8 bss_idx;1191 u8 pad[3];1192 } __packed hdr;1193 struct mt76_connac_arpns_tlv arpns;1194 } req_hdr = {1195 .hdr = {1196 .bss_idx = mvif->bss_conf.mt76.idx,1197 },1198 .arpns = {1199 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),1200 .mode = 2, /* update */1201 .option = 1, /* update only */1202 },1203 };1204 1205 read_lock_bh(&idev->lock);1206 list_for_each_entry(ifa, &idev->addr_list, if_list) {1207 if (ifa->flags & IFA_F_TENTATIVE)1208 continue;1209 ns_addrs[idx] = ifa->addr;1210 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)1211 break;1212 }1213 read_unlock_bh(&idev->lock);1214 1215 if (!idx)1216 return;1217 1218 req_hdr.arpns.ips_num = idx;1219 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)1220 + idx * sizeof(struct in6_addr));1221 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr,1222 sizeof(req_hdr) + idx * sizeof(struct in6_addr),1223 sizeof(req_hdr), GFP_ATOMIC);1224 if (!skb)1225 return;1226 1227 for (i = 0; i < idx; i++)1228 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr));1229 1230 skb_queue_tail(&dev->ipv6_ns_list, skb);1231 1232 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);1233}1234#endif1235 1236int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,1237 const struct cfg80211_sar_specs *sar)1238{1239 struct mt76_phy *mphy = hw->priv;1240 1241 if (sar) {1242 int err = mt76_init_sar_power(hw, sar);1243 1244 if (err)1245 return err;1246 }1247 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);1248 1249 return mt76_connac_mcu_set_rate_txpower(mphy);1250}1251 1252static int mt7921_set_sar_specs(struct ieee80211_hw *hw,1253 const struct cfg80211_sar_specs *sar)1254{1255 struct mt792x_dev *dev = mt792x_hw_dev(hw);1256 int err;1257 1258 mt792x_mutex_acquire(dev);1259 err = mt7921_mcu_set_clc(dev, dev->mt76.alpha2,1260 dev->country_ie_env);1261 if (err < 0)1262 goto out;1263 1264 err = mt7921_set_tx_sar_pwr(hw, sar);1265out:1266 mt792x_mutex_release(dev);1267 1268 return err;1269}1270 1271static void1272mt7921_channel_switch_beacon(struct ieee80211_hw *hw,1273 struct ieee80211_vif *vif,1274 struct cfg80211_chan_def *chandef)1275{1276 struct mt792x_dev *dev = mt792x_hw_dev(hw);1277 1278 mt792x_mutex_acquire(dev);1279 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);1280 mt792x_mutex_release(dev);1281}1282 1283static int1284mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1285 struct ieee80211_bss_conf *link_conf)1286{1287 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1288 struct mt792x_phy *phy = mt792x_hw_phy(hw);1289 struct mt792x_dev *dev = mt792x_hw_dev(hw);1290 int err;1291 1292 mt792x_mutex_acquire(dev);1293 1294 err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid,1295 true, mvif->bss_conf.mt76.ctx);1296 if (err)1297 goto out;1298 1299 err = mt7921_mcu_set_bss_pm(dev, vif, true);1300 if (err)1301 goto out;1302 1303 err = mt7921_mcu_sta_update(dev, NULL, vif, true,1304 MT76_STA_INFO_STATE_NONE);1305out:1306 mt792x_mutex_release(dev);1307 1308 return err;1309}1310 1311static void1312mt7921_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1313 struct ieee80211_bss_conf *link_conf)1314{1315 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1316 struct mt792x_phy *phy = mt792x_hw_phy(hw);1317 struct mt792x_dev *dev = mt792x_hw_dev(hw);1318 int err;1319 1320 mt792x_mutex_acquire(dev);1321 1322 err = mt7921_mcu_set_bss_pm(dev, vif, false);1323 if (err)1324 goto out;1325 1326 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false,1327 mvif->bss_conf.mt76.ctx);1328 1329out:1330 mt792x_mutex_release(dev);1331}1332 1333static int1334mt7921_add_chanctx(struct ieee80211_hw *hw,1335 struct ieee80211_chanctx_conf *ctx)1336{1337 return 0;1338}1339 1340static void1341mt7921_remove_chanctx(struct ieee80211_hw *hw,1342 struct ieee80211_chanctx_conf *ctx)1343{1344}1345 1346static void1347mt7921_change_chanctx(struct ieee80211_hw *hw,1348 struct ieee80211_chanctx_conf *ctx,1349 u32 changed)1350{1351 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;1352 struct mt792x_phy *phy = mt792x_hw_phy(hw);1353 struct ieee80211_vif *vif;1354 struct mt792x_vif *mvif;1355 1356 if (!mctx->bss_conf)1357 return;1358 1359 mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf);1360 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);1361 1362 mt792x_mutex_acquire(phy->dev);1363 if (vif->type == NL80211_IFTYPE_MONITOR)1364 mt7921_mcu_config_sniffer(mvif, ctx);1365 else1366 mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx);1367 mt792x_mutex_release(phy->dev);1368}1369 1370static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw,1371 struct ieee80211_vif *vif,1372 struct ieee80211_prep_tx_info *info)1373{1374 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1375 struct mt792x_dev *dev = mt792x_hw_dev(hw);1376 u16 duration = info->duration ? info->duration :1377 jiffies_to_msecs(HZ);1378 1379 mt792x_mutex_acquire(dev);1380 mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration,1381 MT7921_ROC_REQ_JOIN);1382 mt792x_mutex_release(dev);1383}1384 1385static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw,1386 struct ieee80211_vif *vif,1387 struct ieee80211_prep_tx_info *info)1388{1389 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1390 1391 mt7921_abort_roc(mvif->phy, mvif);1392}1393 1394const struct ieee80211_ops mt7921_ops = {1395 .tx = mt792x_tx,1396 .start = mt7921_start,1397 .stop = mt7921_stop,1398 .add_interface = mt7921_add_interface,1399 .remove_interface = mt792x_remove_interface,1400 .config = mt7921_config,1401 .conf_tx = mt792x_conf_tx,1402 .configure_filter = mt7921_configure_filter,1403 .bss_info_changed = mt7921_bss_info_changed,1404 .start_ap = mt7921_start_ap,1405 .stop_ap = mt7921_stop_ap,1406 .sta_state = mt7921_sta_state,1407 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,1408 .set_key = mt7921_set_key,1409 .sta_set_decap_offload = mt7921_sta_set_decap_offload,1410#if IS_ENABLED(CONFIG_IPV6)1411 .ipv6_addr_change = mt7921_ipv6_addr_change,1412#endif /* CONFIG_IPV6 */1413 .ampdu_action = mt7921_ampdu_action,1414 .set_rts_threshold = mt7921_set_rts_threshold,1415 .wake_tx_queue = mt76_wake_tx_queue,1416 .release_buffered_frames = mt76_release_buffered_frames,1417 .channel_switch_beacon = mt7921_channel_switch_beacon,1418 .get_txpower = mt76_get_txpower,1419 .get_stats = mt792x_get_stats,1420 .get_et_sset_count = mt792x_get_et_sset_count,1421 .get_et_strings = mt792x_get_et_strings,1422 .get_et_stats = mt792x_get_et_stats,1423 .get_tsf = mt792x_get_tsf,1424 .set_tsf = mt792x_set_tsf,1425 .get_survey = mt76_get_survey,1426 .get_antenna = mt76_get_antenna,1427 .set_antenna = mt7921_set_antenna,1428 .set_coverage_class = mt792x_set_coverage_class,1429 .hw_scan = mt7921_hw_scan,1430 .cancel_hw_scan = mt7921_cancel_hw_scan,1431 .sta_statistics = mt792x_sta_statistics,1432 .sched_scan_start = mt7921_start_sched_scan,1433 .sched_scan_stop = mt7921_stop_sched_scan,1434 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd)1435 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump)1436#ifdef CONFIG_PM1437 .suspend = mt7921_suspend,1438 .resume = mt7921_resume,1439 .set_wakeup = mt792x_set_wakeup,1440 .set_rekey_data = mt7921_set_rekey_data,1441#endif /* CONFIG_PM */1442 .flush = mt792x_flush,1443 .set_sar_specs = mt7921_set_sar_specs,1444 .remain_on_channel = mt7921_remain_on_channel,1445 .cancel_remain_on_channel = mt7921_cancel_remain_on_channel,1446 .add_chanctx = mt7921_add_chanctx,1447 .remove_chanctx = mt7921_remove_chanctx,1448 .change_chanctx = mt7921_change_chanctx,1449 .assign_vif_chanctx = mt792x_assign_vif_chanctx,1450 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx,1451 .mgd_prepare_tx = mt7921_mgd_prepare_tx,1452 .mgd_complete_tx = mt7921_mgd_complete_tx,1453};1454EXPORT_SYMBOL_GPL(mt7921_ops);1455 1456MODULE_DESCRIPTION("MediaTek MT7921 core driver");1457MODULE_LICENSE("Dual BSD/GPL");1458MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");1459