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1// SPDX-License-Identifier: ISC2/* Copyright (C) 2023 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 <linux/ctype.h>9#include <net/ipv6.h>10#include "mt7925.h"11#include "mcu.h"12#include "mac.h"13 14static void15mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band,16 struct ieee80211_sband_iftype_data *data,17 enum nl80211_iftype iftype)18{19 struct ieee80211_sta_he_cap *he_cap = &data->he_cap;20 struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem;21 struct ieee80211_he_mcs_nss_supp *he_mcs = &he_cap->he_mcs_nss_supp;22 int i, nss = hweight8(phy->mt76->antenna_mask);23 u16 mcs_map = 0;24 25 for (i = 0; i < 8; i++) {26 if (i < nss)27 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));28 else29 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));30 }31 32 he_cap->has_he = true;33 34 he_cap_elem->mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE;35 he_cap_elem->mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_OMI_CONTROL |36 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;37 he_cap_elem->mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;38 39 if (band == NL80211_BAND_2GHZ)40 he_cap_elem->phy_cap_info[0] =41 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;42 else43 he_cap_elem->phy_cap_info[0] =44 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |45 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;46 47 he_cap_elem->phy_cap_info[1] =48 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;49 he_cap_elem->phy_cap_info[2] =50 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |51 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |52 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |53 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |54 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;55 56 switch (iftype) {57 case NL80211_IFTYPE_AP:58 he_cap_elem->mac_cap_info[2] |=59 IEEE80211_HE_MAC_CAP2_BSR;60 he_cap_elem->mac_cap_info[4] |=61 IEEE80211_HE_MAC_CAP4_BQR;62 he_cap_elem->mac_cap_info[5] |=63 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;64 he_cap_elem->phy_cap_info[3] |=65 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |66 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;67 he_cap_elem->phy_cap_info[6] |=68 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |69 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;70 he_cap_elem->phy_cap_info[9] |=71 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |72 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;73 break;74 case NL80211_IFTYPE_STATION:75 he_cap_elem->mac_cap_info[1] |=76 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;77 78 if (band == NL80211_BAND_2GHZ)79 he_cap_elem->phy_cap_info[0] |=80 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;81 else82 he_cap_elem->phy_cap_info[0] |=83 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;84 85 he_cap_elem->phy_cap_info[1] |=86 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |87 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;88 he_cap_elem->phy_cap_info[3] |=89 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |90 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;91 he_cap_elem->phy_cap_info[4] |=92 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |93 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |94 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;95 he_cap_elem->phy_cap_info[5] |=96 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK |97 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK;98 he_cap_elem->phy_cap_info[6] |=99 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |100 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU |101 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |102 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |103 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;104 he_cap_elem->phy_cap_info[7] |=105 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |106 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;107 he_cap_elem->phy_cap_info[8] |=108 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |109 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |110 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |111 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;112 he_cap_elem->phy_cap_info[9] |=113 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |114 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |115 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |116 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |117 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |118 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;119 break;120 default:121 break;122 }123 124 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);125 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);126 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);127 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);128 129 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));130 131 if (he_cap_elem->phy_cap_info[6] &132 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {133 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss);134 } else {135 he_cap_elem->phy_cap_info[9] |=136 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,137 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);138 }139 140 if (band == NL80211_BAND_6GHZ) {141 u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |142 IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;143 144 cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_0_5,145 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |146 u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,147 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |148 u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,149 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);150 151 data->he_6ghz_capa.capa = cpu_to_le16(cap);152 }153}154 155static void156mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band,157 struct ieee80211_sband_iftype_data *data)158{159 struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap;160 struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;161 struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp;162 enum nl80211_chan_width width = phy->mt76->chandef.width;163 int nss = hweight8(phy->mt76->antenna_mask);164 int sts = hweight16(phy->mt76->chainmask);165 u8 val;166 167 if (!phy->dev->has_eht)168 return;169 170 eht_cap->has_eht = true;171 172 eht_cap_elem->mac_cap_info[0] =173 IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS |174 IEEE80211_EHT_MAC_CAP0_OM_CONTROL;175 176 eht_cap_elem->phy_cap_info[0] =177 IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |178 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |179 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;180 181 eht_cap_elem->phy_cap_info[0] |=182 u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),183 IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);184 185 eht_cap_elem->phy_cap_info[1] =186 u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),187 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |188 u8_encode_bits(sts - 1,189 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);190 191 eht_cap_elem->phy_cap_info[2] =192 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |193 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK);194 195 eht_cap_elem->phy_cap_info[3] =196 IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |197 IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |198 IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |199 IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |200 IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |201 IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |202 IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;203 204 eht_cap_elem->phy_cap_info[4] =205 u8_encode_bits(min_t(int, sts - 1, 2),206 IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);207 208 eht_cap_elem->phy_cap_info[5] =209 IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |210 u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,211 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |212 u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),213 IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK);214 215 val = width == NL80211_CHAN_WIDTH_160 ? 0x7 :216 width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1;217 eht_cap_elem->phy_cap_info[6] =218 u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)),219 IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |220 u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);221 222 eht_cap_elem->phy_cap_info[7] =223 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |224 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |225 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |226 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ;227 228 val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |229 u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);230 231 eht_nss->bw._80.rx_tx_mcs9_max_nss = val;232 eht_nss->bw._80.rx_tx_mcs11_max_nss = val;233 eht_nss->bw._80.rx_tx_mcs13_max_nss = val;234 eht_nss->bw._160.rx_tx_mcs9_max_nss = val;235 eht_nss->bw._160.rx_tx_mcs11_max_nss = val;236 eht_nss->bw._160.rx_tx_mcs13_max_nss = val;237}238 239int mt7925_init_mlo_caps(struct mt792x_phy *phy)240{241 struct wiphy *wiphy = phy->mt76->hw->wiphy;242 static const u8 ext_capa_sta[] = {243 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,244 };245 static struct wiphy_iftype_ext_capab ext_capab[] = {246 {247 .iftype = NL80211_IFTYPE_STATION,248 .extended_capabilities = ext_capa_sta,249 .extended_capabilities_mask = ext_capa_sta,250 .extended_capabilities_len = sizeof(ext_capa_sta),251 },252 };253 254 if (!(phy->chip_cap & MT792x_CHIP_CAP_MLO_EVT_EN))255 return 0;256 257 ext_capab[0].eml_capabilities = phy->eml_cap;258 ext_capab[0].mld_capa_and_ops =259 u16_encode_bits(1, IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS);260 261 wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;262 wiphy->iftype_ext_capab = ext_capab;263 wiphy->num_iftype_ext_capab = ARRAY_SIZE(ext_capab);264 265 return 0;266}267 268static void269__mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy,270 struct ieee80211_supported_band *sband,271 enum nl80211_band band)272{273 struct ieee80211_sband_iftype_data *data = phy->iftype[band];274 int i, n = 0;275 276 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {277 switch (i) {278 case NL80211_IFTYPE_STATION:279 case NL80211_IFTYPE_AP:280 break;281 default:282 continue;283 }284 285 data[n].types_mask = BIT(i);286 mt7925_init_he_caps(phy, band, &data[n], i);287 mt7925_init_eht_caps(phy, band, &data[n]);288 289 n++;290 }291 292 _ieee80211_set_sband_iftype_data(sband, data, n);293}294 295void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy)296{297 if (phy->mt76->cap.has_2ghz)298 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband,299 NL80211_BAND_2GHZ);300 301 if (phy->mt76->cap.has_5ghz)302 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband,303 NL80211_BAND_5GHZ);304 305 if (phy->mt76->cap.has_6ghz)306 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband,307 NL80211_BAND_6GHZ);308}309 310int __mt7925_start(struct mt792x_phy *phy)311{312 struct mt76_phy *mphy = phy->mt76;313 int err;314 315 err = mt7925_mcu_set_channel_domain(mphy);316 if (err)317 return err;318 319 err = mt7925_mcu_set_rts_thresh(phy, 0x92b);320 if (err)321 return err;322 323 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL);324 if (err)325 return err;326 327 mt792x_mac_reset_counters(phy);328 set_bit(MT76_STATE_RUNNING, &mphy->state);329 330 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,331 MT792x_WATCHDOG_TIME);332 333 return 0;334}335EXPORT_SYMBOL_GPL(__mt7925_start);336 337static int mt7925_start(struct ieee80211_hw *hw)338{339 struct mt792x_phy *phy = mt792x_hw_phy(hw);340 int err;341 342 mt792x_mutex_acquire(phy->dev);343 err = __mt7925_start(phy);344 mt792x_mutex_release(phy->dev);345 346 return err;347}348 349static int mt7925_mac_link_bss_add(struct mt792x_dev *dev,350 struct ieee80211_bss_conf *link_conf,351 struct mt792x_link_sta *mlink)352{353 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);354 struct ieee80211_vif *vif = link_conf->vif;355 struct mt792x_vif *mvif = mconf->vif;356 struct mt76_txq *mtxq;357 int idx, ret = 0;358 359 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);360 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) {361 ret = -ENOSPC;362 goto out;363 }364 365 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ?366 0 : mconf->mt76.idx;367 mconf->mt76.band_idx = 0xff;368 mconf->mt76.wmm_idx = mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS;369 370 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)371 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4;372 else373 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL;374 375 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf,376 &mlink->wcid, true);377 if (ret)378 goto out;379 380 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx);381 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx);382 383 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx;384 385 INIT_LIST_HEAD(&mlink->wcid.poll_list);386 mlink->wcid.idx = idx;387 mlink->wcid.phy_idx = mconf->mt76.band_idx;388 mlink->wcid.hw_key_idx = -1;389 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;390 mt76_wcid_init(&mlink->wcid);391 392 mt7925_mac_wtbl_update(dev, idx,393 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);394 395 ewma_rssi_init(&mconf->rssi);396 397 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid);398 if (vif->txq) {399 mtxq = (struct mt76_txq *)vif->txq->drv_priv;400 mtxq->wcid = idx;401 }402 403out:404 return ret;405}406 407static int408mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)409{410 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;411 struct mt792x_dev *dev = mt792x_hw_dev(hw);412 struct mt792x_phy *phy = mt792x_hw_phy(hw);413 int ret = 0;414 415 mt792x_mutex_acquire(dev);416 417 mvif->phy = phy;418 mvif->bss_conf.vif = mvif;419 mvif->sta.vif = mvif;420 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED;421 422 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink);423 if (ret < 0)424 goto out;425 426 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;427out:428 mt792x_mutex_release(dev);429 430 return ret;431}432 433static void mt7925_roc_iter(void *priv, u8 *mac,434 struct ieee80211_vif *vif)435{436 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;437 struct mt792x_phy *phy = priv;438 439 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id);440}441 442void mt7925_roc_abort_sync(struct mt792x_dev *dev)443{444 struct mt792x_phy *phy = &dev->phy;445 446 del_timer_sync(&phy->roc_timer);447 cancel_work_sync(&phy->roc_work);448 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))449 ieee80211_iterate_interfaces(mt76_hw(dev),450 IEEE80211_IFACE_ITER_RESUME_ALL,451 mt7925_roc_iter, (void *)phy);452}453EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync);454 455void mt7925_roc_work(struct work_struct *work)456{457 struct mt792x_phy *phy;458 459 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,460 roc_work);461 462 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))463 return;464 465 mt792x_mutex_acquire(phy->dev);466 ieee80211_iterate_active_interfaces(phy->mt76->hw,467 IEEE80211_IFACE_ITER_RESUME_ALL,468 mt7925_roc_iter, phy);469 mt792x_mutex_release(phy->dev);470 ieee80211_remain_on_channel_expired(phy->mt76->hw);471}472 473static int mt7925_abort_roc(struct mt792x_phy *phy,474 struct mt792x_bss_conf *mconf)475{476 int err = 0;477 478 del_timer_sync(&phy->roc_timer);479 cancel_work_sync(&phy->roc_work);480 481 mt792x_mutex_acquire(phy->dev);482 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))483 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);484 mt792x_mutex_release(phy->dev);485 486 return err;487}488 489static int mt7925_set_roc(struct mt792x_phy *phy,490 struct mt792x_bss_conf *mconf,491 struct ieee80211_channel *chan,492 int duration,493 enum mt7925_roc_req type)494{495 int err;496 497 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))498 return -EBUSY;499 500 phy->roc_grant = false;501 502 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type,503 ++phy->roc_token_id);504 if (err < 0) {505 clear_bit(MT76_STATE_ROC, &phy->mt76->state);506 goto out;507 }508 509 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {510 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);511 clear_bit(MT76_STATE_ROC, &phy->mt76->state);512 err = -ETIMEDOUT;513 }514 515out:516 return err;517}518 519static int mt7925_set_mlo_roc(struct mt792x_phy *phy,520 struct mt792x_bss_conf *mconf,521 u16 sel_links)522{523 int err;524 525 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)))526 return -EBUSY;527 528 phy->roc_grant = false;529 530 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id);531 if (err < 0) {532 clear_bit(MT76_STATE_ROC, &phy->mt76->state);533 goto out;534 }535 536 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) {537 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id);538 clear_bit(MT76_STATE_ROC, &phy->mt76->state);539 err = -ETIMEDOUT;540 }541 542out:543 return err;544}545 546static int mt7925_remain_on_channel(struct ieee80211_hw *hw,547 struct ieee80211_vif *vif,548 struct ieee80211_channel *chan,549 int duration,550 enum ieee80211_roc_type type)551{552 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;553 struct mt792x_phy *phy = mt792x_hw_phy(hw);554 int err;555 556 mt792x_mutex_acquire(phy->dev);557 err = mt7925_set_roc(phy, &mvif->bss_conf,558 chan, duration, MT7925_ROC_REQ_ROC);559 mt792x_mutex_release(phy->dev);560 561 return err;562}563 564static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw,565 struct ieee80211_vif *vif)566{567 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;568 struct mt792x_phy *phy = mt792x_hw_phy(hw);569 570 return mt7925_abort_roc(phy, &mvif->bss_conf);571}572 573static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,574 struct ieee80211_vif *vif, struct ieee80211_sta *sta,575 struct ieee80211_key_conf *key, int link_id)576{577 struct mt792x_dev *dev = mt792x_hw_dev(hw);578 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;579 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :580 &mvif->sta;581 struct ieee80211_bss_conf *link_conf;582 struct ieee80211_link_sta *link_sta;583 int idx = key->keyidx, err = 0;584 struct mt792x_link_sta *mlink;585 struct mt792x_bss_conf *mconf;586 struct mt76_wcid *wcid;587 u8 *wcid_keyidx;588 589 link_conf = mt792x_vif_to_bss_conf(vif, link_id);590 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL;591 mconf = mt792x_vif_to_link(mvif, link_id);592 mlink = mt792x_sta_to_link(msta, link_id);593 wcid = &mlink->wcid;594 wcid_keyidx = &wcid->hw_key_idx;595 596 /* fall back to sw encryption for unsupported ciphers */597 switch (key->cipher) {598 case WLAN_CIPHER_SUITE_AES_CMAC:599 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;600 wcid_keyidx = &wcid->hw_key_idx2;601 break;602 case WLAN_CIPHER_SUITE_WEP40:603 case WLAN_CIPHER_SUITE_WEP104:604 if (!mvif->wep_sta)605 return -EOPNOTSUPP;606 break;607 case WLAN_CIPHER_SUITE_TKIP:608 case WLAN_CIPHER_SUITE_CCMP:609 case WLAN_CIPHER_SUITE_CCMP_256:610 case WLAN_CIPHER_SUITE_GCMP:611 case WLAN_CIPHER_SUITE_GCMP_256:612 case WLAN_CIPHER_SUITE_SMS4:613 break;614 default:615 return -EOPNOTSUPP;616 }617 618 if (cmd == SET_KEY && !mconf->mt76.cipher) {619 struct mt792x_phy *phy = mt792x_hw_phy(hw);620 621 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher);622 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf,623 link_sta, true);624 }625 626 if (cmd == SET_KEY)627 *wcid_keyidx = idx;628 else if (idx == *wcid_keyidx)629 *wcid_keyidx = -1;630 else631 goto out;632 633 mt76_wcid_key_setup(&dev->mt76, wcid,634 cmd == SET_KEY ? key : NULL);635 636 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip,637 key, MCU_UNI_CMD(STA_REC_UPDATE),638 &mlink->wcid, cmd, msta);639 640 if (err)641 goto out;642 643 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||644 key->cipher == WLAN_CIPHER_SUITE_WEP40)645 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip,646 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),647 &mvif->wep_sta->deflink.wcid, cmd, msta);648out:649 return err;650}651 652static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,653 struct ieee80211_vif *vif, struct ieee80211_sta *sta,654 struct ieee80211_key_conf *key)655{656 struct mt792x_dev *dev = mt792x_hw_dev(hw);657 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;658 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :659 &mvif->sta;660 int err;661 662 /* The hardware does not support per-STA RX GTK, fallback663 * to software mode for these.664 */665 if ((vif->type == NL80211_IFTYPE_ADHOC ||666 vif->type == NL80211_IFTYPE_MESH_POINT) &&667 (key->cipher == WLAN_CIPHER_SUITE_TKIP ||668 key->cipher == WLAN_CIPHER_SUITE_CCMP) &&669 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))670 return -EOPNOTSUPP;671 672 mt792x_mutex_acquire(dev);673 674 if (ieee80211_vif_is_mld(vif)) {675 unsigned int link_id;676 unsigned long add;677 678 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links;679 680 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {681 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id);682 if (err < 0)683 break;684 }685 } else {686 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id);687 }688 689 mt792x_mutex_release(dev);690 691 return err;692}693 694static void695mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)696{697 struct mt792x_dev *dev = priv;698 struct ieee80211_hw *hw = mt76_hw(dev);699 bool pm_enable = dev->pm.enable;700 int err;701 702 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable);703 if (err < 0)704 return;705 706 if (pm_enable) {707 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;708 ieee80211_hw_set(hw, CONNECTION_MONITOR);709 } else {710 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;711 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);712 }713}714 715static void716mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)717{718 struct mt792x_dev *dev = priv;719 struct ieee80211_hw *hw = mt76_hw(dev);720 struct mt76_connac_pm *pm = &dev->pm;721 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);722 723 mt7925_mcu_set_sniffer(dev, vif, monitor);724 pm->enable = pm->enable_user && !monitor;725 pm->ds_enable = pm->ds_enable_user && !monitor;726 727 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);728 729 if (monitor)730 mt7925_mcu_set_beacon_filter(dev, vif, false);731}732 733void mt7925_set_runtime_pm(struct mt792x_dev *dev)734{735 struct ieee80211_hw *hw = mt76_hw(dev);736 struct mt76_connac_pm *pm = &dev->pm;737 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);738 739 pm->enable = pm->enable_user && !monitor;740 ieee80211_iterate_active_interfaces(hw,741 IEEE80211_IFACE_ITER_RESUME_ALL,742 mt7925_pm_interface_iter, dev);743 pm->ds_enable = pm->ds_enable_user && !monitor;744 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable);745}746 747static int mt7925_config(struct ieee80211_hw *hw, u32 changed)748{749 struct mt792x_dev *dev = mt792x_hw_dev(hw);750 int ret = 0;751 752 mt792x_mutex_acquire(dev);753 754 if (changed & IEEE80211_CONF_CHANGE_POWER) {755 ret = mt7925_set_tx_sar_pwr(hw, NULL);756 if (ret)757 goto out;758 }759 760 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {761 ieee80211_iterate_active_interfaces(hw,762 IEEE80211_IFACE_ITER_RESUME_ALL,763 mt7925_sniffer_interface_iter, dev);764 }765 766out:767 mt792x_mutex_release(dev);768 769 return ret;770}771 772static void mt7925_configure_filter(struct ieee80211_hw *hw,773 unsigned int changed_flags,774 unsigned int *total_flags,775 u64 multicast)776{777#define MT7925_FILTER_FCSFAIL BIT(2)778#define MT7925_FILTER_CONTROL BIT(5)779#define MT7925_FILTER_OTHER_BSS BIT(6)780#define MT7925_FILTER_ENABLE BIT(31)781 struct mt792x_dev *dev = mt792x_hw_dev(hw);782 u32 flags = MT7925_FILTER_ENABLE;783 784#define MT7925_FILTER(_fif, _type) do { \785 if (*total_flags & (_fif)) \786 flags |= MT7925_FILTER_##_type; \787 } while (0)788 789 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL);790 MT7925_FILTER(FIF_CONTROL, CONTROL);791 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS);792 793 mt792x_mutex_acquire(dev);794 mt7925_mcu_set_rxfilter(dev, flags, 0, 0);795 mt792x_mutex_release(dev);796 797 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL);798}799 800static u8801mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,802 bool beacon, bool mcast)803{804 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;805 struct mt76_phy *mphy = hw->priv;806 u16 rate;807 u8 i, idx, ht;808 809 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);810 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;811 812 if (beacon && ht) {813 struct mt792x_dev *dev = mt792x_hw_dev(hw);814 815 /* must odd index */816 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20);817 mt7925_mac_set_fixed_rate_table(dev, idx, rate);818 return idx;819 }820 821 idx = FIELD_GET(MT_TX_RATE_IDX, rate);822 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)823 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)824 return MT792x_BASIC_RATES_TBL + i;825 826 return mvif->basic_rates_idx;827}828 829static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,830 struct ieee80211_vif *vif,831 struct ieee80211_link_sta *link_sta)832{833 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);834 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;835 struct ieee80211_bss_conf *link_conf;836 struct mt792x_bss_conf *mconf;837 u8 link_id = link_sta->link_id;838 struct mt792x_link_sta *mlink;839 struct mt792x_sta *msta;840 int ret, idx;841 842 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;843 mlink = mt792x_sta_to_link(msta, link_id);844 845 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1);846 if (idx < 0)847 return -ENOSPC;848 849 mconf = mt792x_vif_to_link(mvif, link_id);850 INIT_LIST_HEAD(&mlink->wcid.poll_list);851 mlink->wcid.sta = 1;852 mlink->wcid.idx = idx;853 mlink->wcid.phy_idx = mconf->mt76.band_idx;854 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;855 mlink->last_txs = jiffies;856 mlink->wcid.link_id = link_sta->link_id;857 mlink->wcid.link_valid = !!link_sta->sta->valid_links;858 859 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);860 if (ret)861 return ret;862 863 mt7925_mac_wtbl_update(dev, idx,864 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);865 866 link_conf = mt792x_vif_to_bss_conf(vif, link_id);867 868 /* should update bss info before STA add */869 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls)870 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,871 link_conf, link_sta, false);872 873 if (ieee80211_vif_is_mld(vif) &&874 link_sta == mlink->pri_link) {875 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,876 MT76_STA_INFO_STATE_NONE);877 if (ret)878 return ret;879 } else if (ieee80211_vif_is_mld(vif) &&880 link_sta != mlink->pri_link) {881 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif,882 true, MT76_STA_INFO_STATE_ASSOC);883 if (ret)884 return ret;885 886 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,887 MT76_STA_INFO_STATE_ASSOC);888 if (ret)889 return ret;890 } else {891 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true,892 MT76_STA_INFO_STATE_NONE);893 if (ret)894 return ret;895 }896 897 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);898 899 return 0;900}901 902static int903mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,904 struct ieee80211_sta *sta, unsigned long new_links)905{906 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;907 struct mt76_wcid *wcid;908 unsigned int link_id;909 int err = 0;910 911 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) {912 struct ieee80211_link_sta *link_sta;913 struct mt792x_link_sta *mlink;914 915 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) {916 mlink = &msta->deflink;917 msta->deflink_id = link_id;918 } else {919 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL);920 if (!mlink) {921 err = -ENOMEM;922 break;923 }924 925 wcid = &mlink->wcid;926 ewma_signal_init(&wcid->rssi);927 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid);928 mt76_wcid_init(wcid);929 ewma_avg_signal_init(&mlink->avg_ack_signal);930 memset(mlink->airtime_ac, 0,931 sizeof(msta->deflink.airtime_ac));932 }933 934 msta->valid_links |= BIT(link_id);935 rcu_assign_pointer(msta->link[link_id], mlink);936 mlink->sta = msta;937 mlink->pri_link = &sta->deflink;938 mlink->wcid.def_wcid = &msta->deflink.wcid;939 940 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);941 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta);942 }943 944 return err;945}946 947int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,948 struct ieee80211_sta *sta)949{950 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);951 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;952 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;953 int err;954 955 msta->vif = mvif;956 957 if (vif->type == NL80211_IFTYPE_STATION)958 mvif->wep_sta = msta;959 960 if (ieee80211_vif_is_mld(vif)) {961 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;962 963 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links);964 } else {965 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink);966 }967 968 return err;969}970EXPORT_SYMBOL_GPL(mt7925_mac_sta_add);971 972static u16973mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)974{975 unsigned long usable_links = ieee80211_vif_usable_links(vif);976 struct {977 u8 link_id;978 enum nl80211_band band;979 } data[IEEE80211_MLD_MAX_NUM_LINKS];980 u8 link_id, i, j, n_data = 0;981 u16 sel_links = 0;982 983 if (!ieee80211_vif_is_mld(vif))984 return 0;985 986 if (vif->active_links == usable_links)987 return vif->active_links;988 989 rcu_read_lock();990 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) {991 struct ieee80211_bss_conf *link_conf =992 rcu_dereference(vif->link_conf[link_id]);993 994 if (WARN_ON_ONCE(!link_conf))995 continue;996 997 data[n_data].link_id = link_id;998 data[n_data].band = link_conf->chanreq.oper.chan->band;999 n_data++;1000 }1001 rcu_read_unlock();1002 1003 for (i = 0; i < n_data; i++) {1004 if (!(BIT(data[i].link_id) & vif->active_links))1005 continue;1006 1007 sel_links = BIT(data[i].link_id);1008 1009 for (j = 0; j < n_data; j++) {1010 if (data[i].band != data[j].band) {1011 sel_links |= BIT(data[j].link_id);1012 break;1013 }1014 }1015 1016 break;1017 }1018 1019 return sel_links;1020}1021 1022static void1023mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif)1024{1025 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);1026 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1027 struct ieee80211_bss_conf *link_conf =1028 mt792x_vif_to_bss_conf(vif, mvif->deflink_id);1029 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;1030 enum nl80211_band band = chandef->chan->band, secondary_band;1031 1032 u16 sel_links = mt7925_mac_select_links(mdev, vif);1033 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links);1034 1035 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2)1036 return;1037 1038 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id);1039 secondary_band = link_conf->chanreq.oper.chan->band;1040 1041 if (band == NL80211_BAND_2GHZ ||1042 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) {1043 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);1044 1045 mt792x_mutex_acquire(dev);1046 1047 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links);1048 1049 mt792x_mutex_release(dev);1050 }1051 1052 ieee80211_set_active_links_async(vif, sel_links);1053}1054 1055static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev,1056 struct ieee80211_vif *vif,1057 struct ieee80211_link_sta *link_sta)1058{1059 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);1060 struct ieee80211_bss_conf *link_conf;1061 struct mt792x_link_sta *mlink;1062 struct mt792x_sta *msta;1063 1064 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;1065 mlink = mt792x_sta_to_link(msta, link_sta->link_id);1066 1067 mt792x_mutex_acquire(dev);1068 1069 if (ieee80211_vif_is_mld(vif)) {1070 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id);1071 } else {1072 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id);1073 }1074 1075 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {1076 struct mt792x_bss_conf *mconf;1077 1078 mconf = mt792x_link_conf_to_mconf(link_conf);1079 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx,1080 link_conf, link_sta, true);1081 }1082 1083 ewma_avg_signal_init(&mlink->avg_ack_signal);1084 1085 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,1086 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);1087 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac));1088 1089 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC);1090 1091 mt792x_mutex_release(dev);1092}1093 1094int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif,1095 struct ieee80211_sta *sta, enum mt76_sta_event ev)1096{1097 struct ieee80211_link_sta *link_sta = &sta->deflink;1098 1099 if (ev != MT76_STA_EVENT_ASSOC)1100 return 0;1101 1102 if (ieee80211_vif_is_mld(vif)) {1103 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1104 1105 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id);1106 mt7925_mac_set_links(mdev, vif);1107 }1108 1109 mt7925_mac_link_sta_assoc(mdev, vif, link_sta);1110 1111 return 0;1112}1113EXPORT_SYMBOL_GPL(mt7925_mac_sta_event);1114 1115static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev,1116 struct ieee80211_vif *vif,1117 struct ieee80211_link_sta *link_sta)1118{1119 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);1120 struct ieee80211_bss_conf *link_conf;1121 u8 link_id = link_sta->link_id;1122 struct mt792x_link_sta *mlink;1123 struct mt792x_sta *msta;1124 1125 msta = (struct mt792x_sta *)link_sta->sta->drv_priv;1126 mlink = mt792x_sta_to_link(msta, link_id);1127 1128 mt7925_roc_abort_sync(dev);1129 1130 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid);1131 mt76_connac_pm_wake(&dev->mphy, &dev->pm);1132 1133 mt7925_mcu_sta_update(dev, link_sta, vif, false,1134 MT76_STA_INFO_STATE_NONE);1135 mt7925_mac_wtbl_update(dev, mlink->wcid.idx,1136 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);1137 1138 link_conf = mt792x_vif_to_bss_conf(vif, link_id);1139 1140 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) {1141 struct mt792x_bss_conf *mconf;1142 1143 mconf = mt792x_link_conf_to_mconf(link_conf);1144 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf,1145 link_sta, false);1146 }1147 1148 spin_lock_bh(&mdev->sta_poll_lock);1149 if (!list_empty(&mlink->wcid.poll_list))1150 list_del_init(&mlink->wcid.poll_list);1151 spin_unlock_bh(&mdev->sta_poll_lock);1152 1153 mt76_connac_power_save_sched(&dev->mphy, &dev->pm);1154}1155 1156static int1157mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif,1158 struct ieee80211_sta *sta, unsigned long old_links)1159{1160 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1161 struct mt76_dev *mdev = &dev->mt76;1162 struct mt76_wcid *wcid;1163 unsigned int link_id;1164 1165 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) {1166 struct ieee80211_link_sta *link_sta;1167 struct mt792x_link_sta *mlink;1168 1169 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id);1170 if (!link_sta)1171 continue;1172 1173 mlink = mt792x_sta_to_link(msta, link_id);1174 if (!mlink)1175 continue;1176 1177 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta);1178 1179 wcid = &mlink->wcid;1180 rcu_assign_pointer(msta->link[link_id], NULL);1181 msta->valid_links &= ~BIT(link_id);1182 mlink->sta = NULL;1183 mlink->pri_link = NULL;1184 1185 if (link_sta != mlink->pri_link) {1186 mt76_wcid_cleanup(mdev, wcid);1187 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx);1188 mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx);1189 }1190 1191 if (msta->deflink_id == link_id)1192 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED;1193 }1194 1195 return 0;1196}1197 1198void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,1199 struct ieee80211_sta *sta)1200{1201 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);1202 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1203 unsigned long rem;1204 1205 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0);1206 1207 mt7925_mac_sta_remove_links(dev, vif, sta, rem);1208 1209 if (vif->type == NL80211_IFTYPE_STATION) {1210 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1211 1212 mvif->wep_sta = NULL;1213 ewma_rssi_init(&mvif->bss_conf.rssi);1214 }1215}1216EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove);1217 1218static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val)1219{1220 struct mt792x_dev *dev = mt792x_hw_dev(hw);1221 1222 mt792x_mutex_acquire(dev);1223 mt7925_mcu_set_rts_thresh(&dev->phy, val);1224 mt792x_mutex_release(dev);1225 1226 return 0;1227}1228 1229static int1230mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1231 struct ieee80211_ampdu_params *params)1232{1233 enum ieee80211_ampdu_mlme_action action = params->action;1234 struct mt792x_dev *dev = mt792x_hw_dev(hw);1235 struct ieee80211_sta *sta = params->sta;1236 struct ieee80211_txq *txq = sta->txq[params->tid];1237 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1238 u16 tid = params->tid;1239 u16 ssn = params->ssn;1240 struct mt76_txq *mtxq;1241 int ret = 0;1242 1243 if (!txq)1244 return -EINVAL;1245 1246 mtxq = (struct mt76_txq *)txq->drv_priv;1247 1248 mt792x_mutex_acquire(dev);1249 switch (action) {1250 case IEEE80211_AMPDU_RX_START:1251 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn,1252 params->buf_size);1253 mt7925_mcu_uni_rx_ba(dev, params, true);1254 break;1255 case IEEE80211_AMPDU_RX_STOP:1256 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid);1257 mt7925_mcu_uni_rx_ba(dev, params, false);1258 break;1259 case IEEE80211_AMPDU_TX_OPERATIONAL:1260 mtxq->aggr = true;1261 mtxq->send_bar = false;1262 mt7925_mcu_uni_tx_ba(dev, params, true);1263 break;1264 case IEEE80211_AMPDU_TX_STOP_FLUSH:1265 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:1266 mtxq->aggr = false;1267 clear_bit(tid, &msta->deflink.wcid.ampdu_state);1268 mt7925_mcu_uni_tx_ba(dev, params, false);1269 break;1270 case IEEE80211_AMPDU_TX_START:1271 set_bit(tid, &msta->deflink.wcid.ampdu_state);1272 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;1273 break;1274 case IEEE80211_AMPDU_TX_STOP_CONT:1275 mtxq->aggr = false;1276 clear_bit(tid, &msta->deflink.wcid.ampdu_state);1277 mt7925_mcu_uni_tx_ba(dev, params, false);1278 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);1279 break;1280 }1281 mt792x_mutex_release(dev);1282 1283 return ret;1284}1285 1286static bool is_valid_alpha2(const char *alpha2)1287{1288 if (!alpha2)1289 return false;1290 1291 if (alpha2[0] == '0' && alpha2[1] == '0')1292 return true;1293 1294 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))1295 return true;1296 1297 return false;1298}1299 1300void mt7925_scan_work(struct work_struct *work)1301{1302 struct mt792x_phy *phy;1303 1304 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,1305 scan_work.work);1306 1307 while (true) {1308 struct mt76_dev *mdev = &phy->dev->mt76;1309 struct sk_buff *skb;1310 struct tlv *tlv;1311 int tlv_len;1312 1313 spin_lock_bh(&phy->dev->mt76.lock);1314 skb = __skb_dequeue(&phy->scan_event_list);1315 spin_unlock_bh(&phy->dev->mt76.lock);1316 1317 if (!skb)1318 break;1319 1320 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4);1321 tlv = (struct tlv *)skb->data;1322 tlv_len = skb->len;1323 1324 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) {1325 struct mt7925_mcu_scan_chinfo_event *evt;1326 1327 switch (le16_to_cpu(tlv->tag)) {1328 case UNI_EVENT_SCAN_DONE_BASIC:1329 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {1330 struct cfg80211_scan_info info = {1331 .aborted = false,1332 };1333 ieee80211_scan_completed(phy->mt76->hw, &info);1334 }1335 break;1336 case UNI_EVENT_SCAN_DONE_CHNLINFO:1337 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data;1338 1339 if (!is_valid_alpha2(evt->alpha2))1340 break;1341 1342 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0')1343 break;1344 1345 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR);1346 1347 break;1348 case UNI_EVENT_SCAN_DONE_NLO:1349 ieee80211_sched_scan_results(phy->mt76->hw);1350 break;1351 default:1352 break;1353 }1354 1355 tlv_len -= le16_to_cpu(tlv->len);1356 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len));1357 }1358 1359 dev_kfree_skb(skb);1360 }1361}1362 1363static int1364mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1365 struct ieee80211_scan_request *req)1366{1367 struct mt792x_dev *dev = mt792x_hw_dev(hw);1368 struct mt76_phy *mphy = hw->priv;1369 int err;1370 1371 mt792x_mutex_acquire(dev);1372 err = mt7925_mcu_hw_scan(mphy, vif, req);1373 mt792x_mutex_release(dev);1374 1375 return err;1376}1377 1378static void1379mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)1380{1381 struct mt792x_dev *dev = mt792x_hw_dev(hw);1382 struct mt76_phy *mphy = hw->priv;1383 1384 mt792x_mutex_acquire(dev);1385 mt7925_mcu_cancel_hw_scan(mphy, vif);1386 mt792x_mutex_release(dev);1387}1388 1389static int1390mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1391 struct cfg80211_sched_scan_request *req,1392 struct ieee80211_scan_ies *ies)1393{1394 struct mt792x_dev *dev = mt792x_hw_dev(hw);1395 struct mt76_phy *mphy = hw->priv;1396 int err;1397 1398 mt792x_mutex_acquire(dev);1399 1400 err = mt7925_mcu_sched_scan_req(mphy, vif, req);1401 if (err < 0)1402 goto out;1403 1404 err = mt7925_mcu_sched_scan_enable(mphy, vif, true);1405out:1406 mt792x_mutex_release(dev);1407 1408 return err;1409}1410 1411static int1412mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)1413{1414 struct mt792x_dev *dev = mt792x_hw_dev(hw);1415 struct mt76_phy *mphy = hw->priv;1416 int err;1417 1418 mt792x_mutex_acquire(dev);1419 err = mt7925_mcu_sched_scan_enable(mphy, vif, false);1420 mt792x_mutex_release(dev);1421 1422 return err;1423}1424 1425static int1426mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)1427{1428 struct mt792x_dev *dev = mt792x_hw_dev(hw);1429 struct mt792x_phy *phy = mt792x_hw_phy(hw);1430 int max_nss = hweight8(hw->wiphy->available_antennas_tx);1431 1432 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)1433 return -EINVAL;1434 1435 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)1436 tx_ant = BIT(ffs(tx_ant) - 1) - 1;1437 1438 mt792x_mutex_acquire(dev);1439 1440 phy->mt76->antenna_mask = tx_ant;1441 phy->mt76->chainmask = tx_ant;1442 1443 mt76_set_stream_caps(phy->mt76, true);1444 mt7925_set_stream_he_eht_caps(phy);1445 1446 /* TODO: update bmc_wtbl spe_idx when antenna changes */1447 mt792x_mutex_release(dev);1448 1449 return 0;1450}1451 1452#ifdef CONFIG_PM1453static int mt7925_suspend(struct ieee80211_hw *hw,1454 struct cfg80211_wowlan *wowlan)1455{1456 struct mt792x_dev *dev = mt792x_hw_dev(hw);1457 struct mt792x_phy *phy = mt792x_hw_phy(hw);1458 1459 cancel_delayed_work_sync(&phy->scan_work);1460 cancel_delayed_work_sync(&phy->mt76->mac_work);1461 1462 cancel_delayed_work_sync(&dev->pm.ps_work);1463 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);1464 1465 mt792x_mutex_acquire(dev);1466 1467 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);1468 ieee80211_iterate_active_interfaces(hw,1469 IEEE80211_IFACE_ITER_RESUME_ALL,1470 mt7925_mcu_set_suspend_iter,1471 &dev->mphy);1472 1473 mt792x_mutex_release(dev);1474 1475 return 0;1476}1477 1478static int mt7925_resume(struct ieee80211_hw *hw)1479{1480 struct mt792x_dev *dev = mt792x_hw_dev(hw);1481 struct mt792x_phy *phy = mt792x_hw_phy(hw);1482 1483 mt792x_mutex_acquire(dev);1484 1485 set_bit(MT76_STATE_RUNNING, &phy->mt76->state);1486 ieee80211_iterate_active_interfaces(hw,1487 IEEE80211_IFACE_ITER_RESUME_ALL,1488 mt7925_mcu_set_suspend_iter,1489 &dev->mphy);1490 1491 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,1492 MT792x_WATCHDOG_TIME);1493 1494 mt792x_mutex_release(dev);1495 1496 return 0;1497}1498 1499static void mt7925_set_rekey_data(struct ieee80211_hw *hw,1500 struct ieee80211_vif *vif,1501 struct cfg80211_gtk_rekey_data *data)1502{1503 struct mt792x_dev *dev = mt792x_hw_dev(hw);1504 1505 mt792x_mutex_acquire(dev);1506 mt76_connac_mcu_update_gtk_rekey(hw, vif, data);1507 mt792x_mutex_release(dev);1508}1509#endif /* CONFIG_PM */1510 1511static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,1512 struct ieee80211_vif *vif,1513 struct ieee80211_sta *sta,1514 bool enabled)1515{1516 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;1517 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1518 struct mt792x_dev *dev = mt792x_hw_dev(hw);1519 unsigned long valid = mvif->valid_links;1520 u8 i;1521 1522 mt792x_mutex_acquire(dev);1523 1524 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0);1525 1526 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {1527 struct mt792x_link_sta *mlink;1528 1529 mlink = mt792x_sta_to_link(msta, i);1530 1531 if (enabled)1532 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);1533 else1534 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags);1535 1536 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i);1537 }1538 1539 mt792x_mutex_release(dev);1540}1541 1542#if IS_ENABLED(CONFIG_IPV6)1543static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,1544 struct ieee80211_bss_conf *link_conf,1545 struct inet6_dev *idev)1546{1547 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);1548 struct mt792x_dev *dev = mt792x_hw_dev(hw);1549 struct inet6_ifaddr *ifa;1550 struct sk_buff *skb;1551 u8 idx = 0;1552 1553 struct {1554 struct {1555 u8 bss_idx;1556 u8 pad[3];1557 } __packed hdr;1558 struct mt7925_arpns_tlv arpns;1559 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];1560 } req_hdr = {1561 .hdr = {1562 .bss_idx = mconf->mt76.idx,1563 },1564 .arpns = {1565 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),1566 .len = cpu_to_le16(sizeof(req_hdr) - 4),1567 .enable = true,1568 },1569 };1570 1571 read_lock_bh(&idev->lock);1572 list_for_each_entry(ifa, &idev->addr_list, if_list) {1573 if (ifa->flags & IFA_F_TENTATIVE)1574 continue;1575 req_hdr.ns_addrs[idx] = ifa->addr;1576 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN)1577 break;1578 }1579 read_unlock_bh(&idev->lock);1580 1581 if (!idx)1582 return;1583 1584 req_hdr.arpns.ips_num = idx;1585 1586 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr),1587 0, GFP_ATOMIC);1588 if (!skb)1589 return;1590 1591 skb_put_data(skb, &req_hdr, sizeof(req_hdr));1592 1593 skb_queue_tail(&dev->ipv6_ns_list, skb);1594 1595 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);1596}1597 1598static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,1599 struct ieee80211_vif *vif,1600 struct inet6_dev *idev)1601{1602 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1603 unsigned long valid = ieee80211_vif_is_mld(vif) ?1604 mvif->valid_links : BIT(0);1605 struct ieee80211_bss_conf *bss_conf;1606 int i;1607 1608 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {1609 bss_conf = mt792x_vif_to_bss_conf(vif, i);1610 __mt7925_ipv6_addr_change(hw, bss_conf, idev);1611 }1612}1613 1614#endif1615 1616int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,1617 const struct cfg80211_sar_specs *sar)1618{1619 struct mt76_phy *mphy = hw->priv;1620 1621 if (sar) {1622 int err = mt76_init_sar_power(hw, sar);1623 1624 if (err)1625 return err;1626 }1627 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar);1628 1629 return mt7925_mcu_set_rate_txpower(mphy);1630}1631 1632static int mt7925_set_sar_specs(struct ieee80211_hw *hw,1633 const struct cfg80211_sar_specs *sar)1634{1635 struct mt792x_dev *dev = mt792x_hw_dev(hw);1636 int err;1637 1638 mt792x_mutex_acquire(dev);1639 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2,1640 dev->country_ie_env);1641 if (err < 0)1642 goto out;1643 1644 err = mt7925_set_tx_sar_pwr(hw, sar);1645out:1646 mt792x_mutex_release(dev);1647 1648 return err;1649}1650 1651static void1652mt7925_channel_switch_beacon(struct ieee80211_hw *hw,1653 struct ieee80211_vif *vif,1654 struct cfg80211_chan_def *chandef)1655{1656 struct mt792x_dev *dev = mt792x_hw_dev(hw);1657 1658 mt792x_mutex_acquire(dev);1659 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true);1660 mt792x_mutex_release(dev);1661}1662 1663static int1664mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1665 unsigned int link_id, u16 queue,1666 const struct ieee80211_tx_queue_params *params)1667{1668 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1669 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id);1670 static const u8 mq_to_aci[] = {1671 [IEEE80211_AC_VO] = 3,1672 [IEEE80211_AC_VI] = 2,1673 [IEEE80211_AC_BE] = 0,1674 [IEEE80211_AC_BK] = 1,1675 };1676 1677 /* firmware uses access class index */1678 mconf->queue_params[mq_to_aci[queue]] = *params;1679 1680 return 0;1681}1682 1683static int1684mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1685 struct ieee80211_bss_conf *link_conf)1686{1687 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1688 struct mt792x_dev *dev = mt792x_hw_dev(hw);1689 int err;1690 1691 mt792x_mutex_acquire(dev);1692 1693 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,1694 link_conf, NULL, true);1695 if (err)1696 goto out;1697 1698 err = mt7925_mcu_set_bss_pm(dev, link_conf, true);1699 if (err)1700 goto out;1701 1702 err = mt7925_mcu_sta_update(dev, NULL, vif, true,1703 MT76_STA_INFO_STATE_NONE);1704out:1705 mt792x_mutex_release(dev);1706 1707 return err;1708}1709 1710static void1711mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1712 struct ieee80211_bss_conf *link_conf)1713{1714 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1715 struct mt792x_dev *dev = mt792x_hw_dev(hw);1716 int err;1717 1718 mt792x_mutex_acquire(dev);1719 1720 err = mt7925_mcu_set_bss_pm(dev, link_conf, false);1721 if (err)1722 goto out;1723 1724 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf,1725 NULL, false);1726 1727out:1728 mt792x_mutex_release(dev);1729}1730 1731static int1732mt7925_add_chanctx(struct ieee80211_hw *hw,1733 struct ieee80211_chanctx_conf *ctx)1734{1735 return 0;1736}1737 1738static void1739mt7925_remove_chanctx(struct ieee80211_hw *hw,1740 struct ieee80211_chanctx_conf *ctx)1741{1742}1743 1744static void1745mt7925_change_chanctx(struct ieee80211_hw *hw,1746 struct ieee80211_chanctx_conf *ctx,1747 u32 changed)1748{1749 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;1750 struct mt792x_phy *phy = mt792x_hw_phy(hw);1751 struct mt792x_bss_conf *mconf;1752 struct ieee80211_vif *vif;1753 struct mt792x_vif *mvif;1754 1755 if (!mctx->bss_conf)1756 return;1757 1758 mconf = mctx->bss_conf;1759 mvif = mconf->vif;1760 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);1761 1762 mt792x_mutex_acquire(phy->dev);1763 if (vif->type == NL80211_IFTYPE_MONITOR) {1764 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true);1765 mt7925_mcu_config_sniffer(mvif, ctx);1766 } else {1767 if (ieee80211_vif_is_mld(vif)) {1768 unsigned long valid = mvif->valid_links;1769 u8 i;1770 1771 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {1772 mconf = mt792x_vif_to_link(mvif, i);1773 if (mconf && mconf->mt76.ctx == ctx)1774 break;1775 }1776 1777 } else {1778 mconf = &mvif->bss_conf;1779 }1780 1781 if (mconf) {1782 struct ieee80211_bss_conf *link_conf;1783 1784 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id);1785 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76,1786 link_conf, ctx);1787 }1788 }1789 1790 mt792x_mutex_release(phy->dev);1791}1792 1793static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw,1794 struct ieee80211_vif *vif,1795 struct ieee80211_prep_tx_info *info)1796{1797 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1798 struct mt792x_dev *dev = mt792x_hw_dev(hw);1799 u16 duration = info->duration ? info->duration :1800 jiffies_to_msecs(HZ);1801 1802 mt792x_mutex_acquire(dev);1803 mt7925_set_roc(mvif->phy, &mvif->bss_conf,1804 mvif->bss_conf.mt76.ctx->def.chan, duration,1805 MT7925_ROC_REQ_JOIN);1806 mt792x_mutex_release(dev);1807}1808 1809static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw,1810 struct ieee80211_vif *vif,1811 struct ieee80211_prep_tx_info *info)1812{1813 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1814 1815 mt7925_abort_roc(mvif->phy, &mvif->bss_conf);1816}1817 1818static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw,1819 struct ieee80211_vif *vif,1820 u64 changed)1821{1822 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1823 struct mt792x_dev *dev = mt792x_hw_dev(hw);1824 unsigned long valid = ieee80211_vif_is_mld(vif) ?1825 mvif->valid_links : BIT(0);1826 struct ieee80211_bss_conf *bss_conf;1827 int i;1828 1829 mt792x_mutex_acquire(dev);1830 1831 if (changed & BSS_CHANGED_ASSOC) {1832 mt7925_mcu_sta_update(dev, NULL, vif, true,1833 MT76_STA_INFO_STATE_ASSOC);1834 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc);1835 }1836 1837 if (changed & BSS_CHANGED_ARP_FILTER) {1838 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {1839 bss_conf = mt792x_vif_to_bss_conf(vif, i);1840 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf);1841 }1842 }1843 1844 if (changed & BSS_CHANGED_PS) {1845 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {1846 bss_conf = mt792x_vif_to_bss_conf(vif, i);1847 mt7925_mcu_uni_bss_ps(dev, bss_conf);1848 }1849 }1850 1851 mt792x_mutex_release(dev);1852}1853 1854static void mt7925_link_info_changed(struct ieee80211_hw *hw,1855 struct ieee80211_vif *vif,1856 struct ieee80211_bss_conf *info,1857 u64 changed)1858{1859 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1860 struct mt792x_phy *phy = mt792x_hw_phy(hw);1861 struct mt792x_dev *dev = mt792x_hw_dev(hw);1862 struct mt792x_bss_conf *mconf;1863 1864 mconf = mt792x_vif_to_link(mvif, info->link_id);1865 1866 mt792x_mutex_acquire(dev);1867 1868 if (changed & BSS_CHANGED_ERP_SLOT) {1869 int slottime = info->use_short_slot ? 9 : 20;1870 1871 if (slottime != phy->slottime) {1872 phy->slottime = slottime;1873 mt7925_mcu_set_timing(phy, info);1874 }1875 }1876 1877 if (changed & BSS_CHANGED_MCAST_RATE)1878 mconf->mt76.mcast_rates_idx =1879 mt7925_get_rates_table(hw, vif, false, true);1880 1881 if (changed & BSS_CHANGED_BASIC_RATES)1882 mconf->mt76.basic_rates_idx =1883 mt7925_get_rates_table(hw, vif, false, false);1884 1885 if (changed & (BSS_CHANGED_BEACON |1886 BSS_CHANGED_BEACON_ENABLED)) {1887 mconf->mt76.beacon_rates_idx =1888 mt7925_get_rates_table(hw, vif, true, false);1889 1890 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif,1891 info->enable_beacon);1892 }1893 1894 /* ensure that enable txcmd_mode after bss_info */1895 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))1896 mt7925_mcu_set_tx(dev, info);1897 1898 mt792x_mutex_release(dev);1899}1900 1901static int1902mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,1903 u16 old_links, u16 new_links,1904 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])1905{1906 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf;1907 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink;1908 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;1909 unsigned long add = new_links & ~old_links;1910 unsigned long rem = old_links & ~new_links;1911 struct mt792x_dev *dev = mt792x_hw_dev(hw);1912 struct mt792x_phy *phy = mt792x_hw_phy(hw);1913 struct ieee80211_bss_conf *link_conf;1914 unsigned int link_id;1915 int err;1916 1917 if (old_links == new_links)1918 return 0;1919 1920 mt792x_mutex_acquire(dev);1921 1922 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) {1923 mconf = mt792x_vif_to_link(mvif, link_id);1924 mlink = mt792x_sta_to_link(&mvif->sta, link_id);1925 1926 if (!mconf || !mlink)1927 continue;1928 1929 if (mconf != &mvif->bss_conf) {1930 mt792x_mac_link_bss_remove(dev, mconf, mlink);1931 devm_kfree(dev->mt76.dev, mconf);1932 devm_kfree(dev->mt76.dev, mlink);1933 }1934 1935 rcu_assign_pointer(mvif->link_conf[link_id], NULL);1936 rcu_assign_pointer(mvif->sta.link[link_id], NULL);1937 }1938 1939 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {1940 if (!old_links) {1941 mvif->deflink_id = link_id;1942 mconf = &mvif->bss_conf;1943 mlink = &mvif->sta.deflink;1944 } else {1945 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf),1946 GFP_KERNEL);1947 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),1948 GFP_KERNEL);1949 }1950 1951 mconfs[link_id] = mconf;1952 mlinks[link_id] = mlink;1953 mconf->link_id = link_id;1954 mconf->vif = mvif;1955 mlink->wcid.link_id = link_id;1956 mlink->wcid.link_valid = !!vif->valid_links;1957 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid;1958 }1959 1960 if (hweight16(mvif->valid_links) == 0)1961 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf,1962 &mvif->sta.deflink);1963 1964 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {1965 mconf = mconfs[link_id];1966 mlink = mlinks[link_id];1967 link_conf = mt792x_vif_to_bss_conf(vif, link_id);1968 1969 rcu_assign_pointer(mvif->link_conf[link_id], mconf);1970 rcu_assign_pointer(mvif->sta.link[link_id], mlink);1971 1972 err = mt7925_mac_link_bss_add(dev, link_conf, mlink);1973 if (err < 0)1974 goto free;1975 1976 if (mconf != &mvif->bss_conf) {1977 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf,1978 vif->active_links);1979 if (err < 0)1980 goto free;1981 }1982 }1983 1984 mvif->valid_links = new_links;1985 1986 mt792x_mutex_release(dev);1987 1988 return 0;1989 1990free:1991 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) {1992 rcu_assign_pointer(mvif->link_conf[link_id], NULL);1993 rcu_assign_pointer(mvif->sta.link[link_id], NULL);1994 1995 if (mconf != &mvif->bss_conf)1996 devm_kfree(dev->mt76.dev, mconfs[link_id]);1997 if (mlink != &mvif->sta.deflink)1998 devm_kfree(dev->mt76.dev, mlinks[link_id]);1999 }2000 2001 mt792x_mutex_release(dev);2002 2003 return err;2004}2005 2006static int2007mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,2008 struct ieee80211_sta *sta, u16 old_links, u16 new_links)2009{2010 unsigned long add = new_links & ~old_links;2011 unsigned long rem = old_links & ~new_links;2012 struct mt792x_dev *dev = mt792x_hw_dev(hw);2013 int err = 0;2014 2015 if (old_links == new_links)2016 return 0;2017 2018 mt792x_mutex_acquire(dev);2019 2020 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem);2021 if (err < 0)2022 goto out;2023 2024 err = mt7925_mac_sta_add_links(dev, vif, sta, add);2025 if (err < 0)2026 goto out;2027 2028out:2029 mt792x_mutex_release(dev);2030 2031 return err;2032}2033 2034static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw,2035 struct ieee80211_vif *vif,2036 struct ieee80211_bss_conf *link_conf,2037 struct ieee80211_chanctx_conf *ctx)2038{2039 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;2040 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;2041 struct mt792x_dev *dev = mt792x_hw_dev(hw);2042 struct ieee80211_bss_conf *pri_link_conf;2043 struct mt792x_bss_conf *mconf;2044 2045 mutex_lock(&dev->mt76.mutex);2046 2047 if (ieee80211_vif_is_mld(vif)) {2048 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);2049 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);2050 2051 if (vif->type == NL80211_IFTYPE_STATION &&2052 mconf == &mvif->bss_conf)2053 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,2054 NULL, true);2055 } else {2056 mconf = &mvif->bss_conf;2057 }2058 2059 mconf->mt76.ctx = ctx;2060 mctx->bss_conf = mconf;2061 mutex_unlock(&dev->mt76.mutex);2062 2063 return 0;2064}2065 2066static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw,2067 struct ieee80211_vif *vif,2068 struct ieee80211_bss_conf *link_conf,2069 struct ieee80211_chanctx_conf *ctx)2070{2071 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv;2072 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;2073 struct mt792x_dev *dev = mt792x_hw_dev(hw);2074 struct ieee80211_bss_conf *pri_link_conf;2075 struct mt792x_bss_conf *mconf;2076 2077 mutex_lock(&dev->mt76.mutex);2078 2079 if (ieee80211_vif_is_mld(vif)) {2080 mconf = mt792x_vif_to_link(mvif, link_conf->link_id);2081 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id);2082 2083 if (vif->type == NL80211_IFTYPE_STATION &&2084 mconf == &mvif->bss_conf)2085 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf,2086 NULL, false);2087 } else {2088 mconf = &mvif->bss_conf;2089 }2090 2091 mctx->bss_conf = NULL;2092 mconf->mt76.ctx = NULL;2093 mutex_unlock(&dev->mt76.mutex);2094}2095 2096const struct ieee80211_ops mt7925_ops = {2097 .tx = mt792x_tx,2098 .start = mt7925_start,2099 .stop = mt792x_stop,2100 .add_interface = mt7925_add_interface,2101 .remove_interface = mt792x_remove_interface,2102 .config = mt7925_config,2103 .conf_tx = mt7925_conf_tx,2104 .configure_filter = mt7925_configure_filter,2105 .start_ap = mt7925_start_ap,2106 .stop_ap = mt7925_stop_ap,2107 .sta_state = mt76_sta_state,2108 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,2109 .set_key = mt7925_set_key,2110 .sta_set_decap_offload = mt7925_sta_set_decap_offload,2111#if IS_ENABLED(CONFIG_IPV6)2112 .ipv6_addr_change = mt7925_ipv6_addr_change,2113#endif /* CONFIG_IPV6 */2114 .ampdu_action = mt7925_ampdu_action,2115 .set_rts_threshold = mt7925_set_rts_threshold,2116 .wake_tx_queue = mt76_wake_tx_queue,2117 .release_buffered_frames = mt76_release_buffered_frames,2118 .channel_switch_beacon = mt7925_channel_switch_beacon,2119 .get_txpower = mt76_get_txpower,2120 .get_stats = mt792x_get_stats,2121 .get_et_sset_count = mt792x_get_et_sset_count,2122 .get_et_strings = mt792x_get_et_strings,2123 .get_et_stats = mt792x_get_et_stats,2124 .get_tsf = mt792x_get_tsf,2125 .set_tsf = mt792x_set_tsf,2126 .get_survey = mt76_get_survey,2127 .get_antenna = mt76_get_antenna,2128 .set_antenna = mt7925_set_antenna,2129 .set_coverage_class = mt792x_set_coverage_class,2130 .hw_scan = mt7925_hw_scan,2131 .cancel_hw_scan = mt7925_cancel_hw_scan,2132 .sta_statistics = mt792x_sta_statistics,2133 .sched_scan_start = mt7925_start_sched_scan,2134 .sched_scan_stop = mt7925_stop_sched_scan,2135#ifdef CONFIG_PM2136 .suspend = mt7925_suspend,2137 .resume = mt7925_resume,2138 .set_wakeup = mt792x_set_wakeup,2139 .set_rekey_data = mt7925_set_rekey_data,2140#endif /* CONFIG_PM */2141 .flush = mt792x_flush,2142 .set_sar_specs = mt7925_set_sar_specs,2143 .remain_on_channel = mt7925_remain_on_channel,2144 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel,2145 .add_chanctx = mt7925_add_chanctx,2146 .remove_chanctx = mt7925_remove_chanctx,2147 .change_chanctx = mt7925_change_chanctx,2148 .assign_vif_chanctx = mt7925_assign_vif_chanctx,2149 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx,2150 .mgd_prepare_tx = mt7925_mgd_prepare_tx,2151 .mgd_complete_tx = mt7925_mgd_complete_tx,2152 .vif_cfg_changed = mt7925_vif_cfg_changed,2153 .link_info_changed = mt7925_link_info_changed,2154 .change_vif_links = mt7925_change_vif_links,2155 .change_sta_links = mt7925_change_sta_links,2156};2157EXPORT_SYMBOL_GPL(mt7925_ops);2158 2159MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>");2160MODULE_DESCRIPTION("MediaTek MT7925 core driver");2161MODULE_LICENSE("Dual BSD/GPL");2162