1 // SPDX-License-Identifier: BSD-3-Clause-Clear 2 /* 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 "regd.h" 12 #include "mcu.h" 13 #include "mac.h" 14 15 static void 16 mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band, 17 struct ieee80211_sband_iftype_data *data, 18 enum nl80211_iftype iftype) 19 { 20 struct ieee80211_sta_he_cap *he_cap = &data->he_cap; 21 struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem; 22 struct ieee80211_he_mcs_nss_supp *he_mcs = &he_cap->he_mcs_nss_supp; 23 int i, nss = hweight8(phy->mt76->antenna_mask); 24 u16 mcs_map = 0; 25 26 for (i = 0; i < 8; i++) { 27 if (i < nss) 28 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 29 else 30 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 31 } 32 33 he_cap->has_he = true; 34 35 he_cap_elem->mac_cap_info[0] = IEEE80211_HE_MAC_CAP0_HTC_HE; 36 he_cap_elem->mac_cap_info[3] = IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 37 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 38 he_cap_elem->mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 39 40 if (band == NL80211_BAND_2GHZ) 41 he_cap_elem->phy_cap_info[0] = 42 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 43 else 44 he_cap_elem->phy_cap_info[0] = 45 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | 46 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 47 48 he_cap_elem->phy_cap_info[1] = 49 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 50 he_cap_elem->phy_cap_info[2] = 51 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 52 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 53 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 54 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 55 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 56 57 switch (iftype) { 58 case NL80211_IFTYPE_AP: 59 he_cap_elem->mac_cap_info[2] |= 60 IEEE80211_HE_MAC_CAP2_BSR; 61 he_cap_elem->mac_cap_info[4] |= 62 IEEE80211_HE_MAC_CAP4_BQR; 63 he_cap_elem->mac_cap_info[5] |= 64 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 65 he_cap_elem->phy_cap_info[3] |= 66 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 67 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 68 he_cap_elem->phy_cap_info[6] |= 69 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 70 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 71 he_cap_elem->phy_cap_info[9] |= 72 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 73 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 74 break; 75 case NL80211_IFTYPE_STATION: 76 he_cap_elem->mac_cap_info[1] |= 77 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 78 79 if (band == NL80211_BAND_2GHZ) 80 he_cap_elem->phy_cap_info[0] |= 81 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 82 else 83 he_cap_elem->phy_cap_info[0] |= 84 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 85 86 he_cap_elem->phy_cap_info[1] |= 87 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 88 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 89 he_cap_elem->phy_cap_info[3] |= 90 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 91 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 92 he_cap_elem->phy_cap_info[4] |= 93 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 94 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | 95 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 96 he_cap_elem->phy_cap_info[5] |= 97 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 98 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 99 he_cap_elem->phy_cap_info[6] |= 100 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 101 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 102 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 103 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 104 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 105 he_cap_elem->phy_cap_info[7] |= 106 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 107 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 108 he_cap_elem->phy_cap_info[8] |= 109 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 110 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 111 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | 112 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 113 he_cap_elem->phy_cap_info[9] |= 114 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 115 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 116 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 117 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 118 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 119 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 120 break; 121 default: 122 break; 123 } 124 125 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 126 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 127 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 128 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 129 130 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 131 132 if (he_cap_elem->phy_cap_info[6] & 133 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 134 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss, band); 135 } else { 136 he_cap_elem->phy_cap_info[9] |= 137 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 138 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 139 } 140 141 if (band == NL80211_BAND_6GHZ) { 142 struct ieee80211_supported_band *sband = 143 &phy->mt76->sband_5g.sband; 144 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 145 146 u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS | 147 IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 148 149 cap |= u16_encode_bits(ht_cap->ampdu_density, 150 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | 151 u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, 152 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | 153 u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, 154 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 155 156 data->he_6ghz_capa.capa = cpu_to_le16(cap); 157 } 158 } 159 160 static void 161 mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band, 162 struct ieee80211_sband_iftype_data *data) 163 { 164 struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap; 165 struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem; 166 struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp; 167 enum nl80211_chan_width width = phy->mt76->chandef.width; 168 int nss = hweight8(phy->mt76->antenna_mask); 169 int sts = hweight16(phy->mt76->chainmask); 170 u8 val; 171 172 if (!phy->dev->has_eht) 173 return; 174 175 eht_cap->has_eht = true; 176 177 eht_cap_elem->mac_cap_info[0] = 178 IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS | 179 IEEE80211_EHT_MAC_CAP0_OM_CONTROL; 180 181 eht_cap_elem->phy_cap_info[0] = 182 IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI | 183 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER | 184 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; 185 186 eht_cap_elem->phy_cap_info[0] |= 187 u8_encode_bits(u8_get_bits(sts - 1, BIT(0)), 188 IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK); 189 190 eht_cap_elem->phy_cap_info[1] = 191 u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)), 192 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) | 193 u8_encode_bits(sts - 1, 194 IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK); 195 196 eht_cap_elem->phy_cap_info[2] = 197 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) | 198 u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK); 199 200 eht_cap_elem->phy_cap_info[3] = 201 IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK | 202 IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK | 203 IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK | 204 IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK | 205 IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK | 206 IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK | 207 IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK; 208 209 eht_cap_elem->phy_cap_info[4] = 210 u8_encode_bits(min_t(int, sts - 1, 2), 211 IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK); 212 213 eht_cap_elem->phy_cap_info[5] = 214 IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK | 215 u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US, 216 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) | 217 u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)), 218 IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK); 219 220 val = width == NL80211_CHAN_WIDTH_160 ? 0x7 : 221 width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1; 222 eht_cap_elem->phy_cap_info[6] = 223 u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)), 224 IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) | 225 u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK); 226 227 eht_cap_elem->phy_cap_info[7] = 228 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | 229 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | 230 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | 231 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ; 232 233 val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) | 234 u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX); 235 236 eht_nss->bw._80.rx_tx_mcs9_max_nss = val; 237 eht_nss->bw._80.rx_tx_mcs11_max_nss = val; 238 eht_nss->bw._80.rx_tx_mcs13_max_nss = val; 239 eht_nss->bw._160.rx_tx_mcs9_max_nss = val; 240 eht_nss->bw._160.rx_tx_mcs11_max_nss = val; 241 eht_nss->bw._160.rx_tx_mcs13_max_nss = val; 242 } 243 244 int mt7925_init_mlo_caps(struct mt792x_phy *phy) 245 { 246 struct wiphy *wiphy = phy->mt76->hw->wiphy; 247 static const u8 ext_capa_sta[] = { 248 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 249 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 250 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 251 }; 252 static struct wiphy_iftype_ext_capab ext_capab[] = { 253 { 254 .iftype = NL80211_IFTYPE_STATION, 255 .extended_capabilities = ext_capa_sta, 256 .extended_capabilities_mask = ext_capa_sta, 257 .extended_capabilities_len = sizeof(ext_capa_sta), 258 }, 259 }; 260 261 if (!(phy->chip_cap & MT792x_CHIP_CAP_MLO_EN)) 262 return 0; 263 264 ext_capab[0].eml_capabilities = phy->eml_cap; 265 ext_capab[0].mld_capa_and_ops = 266 u16_encode_bits(0, IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS); 267 268 wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 269 wiphy->iftype_ext_capab = ext_capab; 270 wiphy->num_iftype_ext_capab = ARRAY_SIZE(ext_capab); 271 272 return 0; 273 } 274 275 static void 276 __mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy, 277 struct ieee80211_supported_band *sband, 278 enum nl80211_band band) 279 { 280 struct ieee80211_sband_iftype_data *data = phy->iftype[band]; 281 int i, n = 0; 282 283 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 284 switch (i) { 285 case NL80211_IFTYPE_STATION: 286 case NL80211_IFTYPE_AP: 287 break; 288 default: 289 continue; 290 } 291 292 data[n].types_mask = BIT(i); 293 mt7925_init_he_caps(phy, band, &data[n], i); 294 mt7925_init_eht_caps(phy, band, &data[n]); 295 296 n++; 297 } 298 299 _ieee80211_set_sband_iftype_data(sband, data, n); 300 } 301 302 void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy) 303 { 304 if (phy->mt76->cap.has_2ghz) 305 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband, 306 NL80211_BAND_2GHZ); 307 308 if (phy->mt76->cap.has_5ghz) 309 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband, 310 NL80211_BAND_5GHZ); 311 312 if (phy->mt76->cap.has_6ghz) 313 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband, 314 NL80211_BAND_6GHZ); 315 } 316 317 int __mt7925_start(struct mt792x_phy *phy) 318 { 319 struct mt76_phy *mphy = phy->mt76; 320 int err; 321 322 err = mt7925_mcu_set_channel_domain(mphy); 323 if (err) 324 return err; 325 326 err = mt7925_mcu_set_rts_thresh(phy, 0x92b); 327 if (err) 328 return err; 329 330 mt792x_mac_reset_counters(phy); 331 set_bit(MT76_STATE_RUNNING, &mphy->state); 332 333 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 334 MT792x_WATCHDOG_TIME); 335 336 if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN) 337 wiphy_rfkill_start_polling(mphy->hw->wiphy); 338 339 return 0; 340 } 341 EXPORT_SYMBOL_GPL(__mt7925_start); 342 343 static int mt7925_start(struct ieee80211_hw *hw) 344 { 345 struct mt792x_phy *phy = mt792x_hw_phy(hw); 346 int err; 347 348 mt792x_mutex_acquire(phy->dev); 349 err = __mt7925_start(phy); 350 mt792x_mutex_release(phy->dev); 351 352 return err; 353 } 354 355 static int mt7925_mac_link_bss_add(struct mt792x_dev *dev, 356 struct ieee80211_bss_conf *link_conf, 357 struct mt792x_link_sta *mlink) 358 { 359 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 360 struct ieee80211_vif *vif = link_conf->vif; 361 struct mt792x_vif *mvif = mconf->vif; 362 struct mt76_txq *mtxq; 363 int idx, ret = 0; 364 365 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 366 mconf->mt76.idx = MT792x_MAX_INTERFACES; 367 } else { 368 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask); 369 370 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) { 371 ret = -ENOSPC; 372 goto out; 373 } 374 } 375 376 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ? 377 0 : mconf->mt76.idx; 378 mconf->mt76.band_idx = 0xff; 379 mconf->mt76.wmm_idx = ieee80211_vif_is_mld(vif) ? 380 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 381 mconf->mt76.link_idx = hweight16(mvif->valid_links); 382 383 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 384 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 385 else 386 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 387 388 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx); 389 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx); 390 391 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx; 392 393 mlink->wcid.idx = idx; 394 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 395 mt76_wcid_init(&mlink->wcid, 0); 396 397 mt7925_mac_wtbl_update(dev, idx, 398 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 399 400 ewma_rssi_init(&mconf->rssi); 401 402 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 403 404 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76, 405 &mlink->wcid, true); 406 if (ret) 407 goto out; 408 409 if (vif->txq) { 410 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 411 mtxq->wcid = idx; 412 } 413 414 out: 415 return ret; 416 } 417 418 static int 419 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 420 { 421 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 422 struct mt792x_dev *dev = mt792x_hw_dev(hw); 423 struct mt792x_phy *phy = mt792x_hw_phy(hw); 424 int ret = 0; 425 426 mt792x_mutex_acquire(dev); 427 428 mvif->phy = phy; 429 mvif->bss_conf.vif = mvif; 430 mvif->sta.vif = mvif; 431 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED; 432 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC; 433 434 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink); 435 if (ret < 0) 436 goto out; 437 438 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 439 if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN) 440 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI; 441 442 INIT_WORK(&mvif->csa_work, mt7925_csa_work); 443 timer_setup(&mvif->csa_timer, mt792x_csa_timer, 0); 444 445 out: 446 mt792x_mutex_release(dev); 447 448 return ret; 449 } 450 451 static void mt7925_roc_iter(void *priv, u8 *mac, 452 struct ieee80211_vif *vif) 453 { 454 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 455 struct mt792x_phy *phy = priv; 456 457 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id); 458 } 459 460 void mt7925_roc_abort_sync(struct mt792x_dev *dev) 461 { 462 struct mt792x_phy *phy = &dev->phy; 463 464 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 465 return; 466 467 timer_delete_sync(&phy->roc_timer); 468 469 cancel_work(&phy->roc_work); 470 471 ieee80211_iterate_interfaces(mt76_hw(dev), 472 IEEE80211_IFACE_ITER_RESUME_ALL, 473 mt7925_roc_iter, (void *)phy); 474 } 475 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync); 476 477 void mt7925_roc_work(struct work_struct *work) 478 { 479 struct mt792x_phy *phy; 480 481 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 482 roc_work); 483 484 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 485 return; 486 487 mt792x_mutex_acquire(phy->dev); 488 ieee80211_iterate_active_interfaces(phy->mt76->hw, 489 IEEE80211_IFACE_ITER_RESUME_ALL, 490 mt7925_roc_iter, phy); 491 mt792x_mutex_release(phy->dev); 492 ieee80211_remain_on_channel_expired(phy->mt76->hw); 493 } 494 495 static int mt7925_abort_roc(struct mt792x_phy *phy, 496 struct mt792x_bss_conf *mconf) 497 { 498 int err = 0; 499 500 timer_delete_sync(&phy->roc_timer); 501 cancel_work_sync(&phy->roc_work); 502 503 mt792x_mutex_acquire(phy->dev); 504 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 505 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 506 mt792x_mutex_release(phy->dev); 507 508 return err; 509 } 510 511 static int mt7925_set_roc(struct mt792x_phy *phy, 512 struct mt792x_bss_conf *mconf, 513 struct ieee80211_channel *chan, 514 int duration, 515 enum mt7925_roc_req type) 516 { 517 int err; 518 519 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 520 return -EBUSY; 521 522 phy->roc_grant = false; 523 524 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type, 525 ++phy->roc_token_id); 526 if (err < 0) { 527 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 528 goto out; 529 } 530 531 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 532 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 533 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 534 err = -ETIMEDOUT; 535 } 536 537 out: 538 return err; 539 } 540 541 static int mt7925_set_mlo_roc(struct mt792x_phy *phy, 542 struct mt792x_bss_conf *mconf, 543 u16 sel_links) 544 { 545 int err; 546 547 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))) 548 return -EBUSY; 549 550 phy->roc_grant = false; 551 552 err = mt7925_mcu_set_mlo_roc(phy, mconf, sel_links, 5, ++phy->roc_token_id); 553 if (err < 0) { 554 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 555 goto out; 556 } 557 558 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 559 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 560 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 561 err = -ETIMEDOUT; 562 } 563 564 out: 565 return err; 566 } 567 568 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 569 struct ieee80211_vif *vif, 570 struct ieee80211_channel *chan, 571 int duration, 572 enum ieee80211_roc_type type) 573 { 574 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 575 struct mt792x_phy *phy = mt792x_hw_phy(hw); 576 int err; 577 578 mt792x_mutex_acquire(phy->dev); 579 err = mt7925_set_roc(phy, &mvif->bss_conf, 580 chan, duration, MT7925_ROC_REQ_ROC); 581 mt792x_mutex_release(phy->dev); 582 583 return err; 584 } 585 586 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 587 struct ieee80211_vif *vif) 588 { 589 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 590 struct mt792x_phy *phy = mt792x_hw_phy(hw); 591 592 return mt7925_abort_roc(phy, &mvif->bss_conf); 593 } 594 595 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 596 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 597 struct ieee80211_key_conf *key, int link_id, 598 struct mt792x_link_sta *mlink) 599 { 600 struct mt792x_dev *dev = mt792x_hw_dev(hw); 601 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 602 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 603 &mvif->sta; 604 struct ieee80211_bss_conf *link_conf; 605 struct ieee80211_link_sta *link_sta; 606 int idx = key->keyidx, err = 0; 607 struct mt792x_bss_conf *mconf; 608 struct mt76_wcid *wcid; 609 u8 *wcid_keyidx; 610 611 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 612 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; 613 mconf = mt792x_vif_to_link(mvif, link_id); 614 wcid = &mlink->wcid; 615 wcid_keyidx = &wcid->hw_key_idx; 616 617 /* fall back to sw encryption for unsupported ciphers */ 618 switch (key->cipher) { 619 case WLAN_CIPHER_SUITE_AES_CMAC: 620 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 621 wcid_keyidx = &wcid->hw_key_idx2; 622 break; 623 case WLAN_CIPHER_SUITE_WEP40: 624 case WLAN_CIPHER_SUITE_WEP104: 625 if (!mvif->wep_sta) 626 return -EOPNOTSUPP; 627 break; 628 case WLAN_CIPHER_SUITE_TKIP: 629 case WLAN_CIPHER_SUITE_CCMP: 630 case WLAN_CIPHER_SUITE_CCMP_256: 631 case WLAN_CIPHER_SUITE_GCMP: 632 case WLAN_CIPHER_SUITE_GCMP_256: 633 case WLAN_CIPHER_SUITE_SMS4: 634 break; 635 default: 636 return -EOPNOTSUPP; 637 } 638 639 if (cmd == SET_KEY && !mconf->mt76.cipher) { 640 struct mt792x_phy *phy = mt792x_hw_phy(hw); 641 642 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 643 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf, 644 link_sta, true); 645 } 646 647 if (cmd == SET_KEY) 648 *wcid_keyidx = idx; 649 else if (idx == *wcid_keyidx) 650 *wcid_keyidx = -1; 651 else 652 goto out; 653 654 mt76_wcid_key_setup(&dev->mt76, wcid, 655 cmd == SET_KEY ? key : NULL); 656 657 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, 658 key, MCU_UNI_CMD(STA_REC_UPDATE), 659 &mlink->wcid, cmd, msta); 660 661 if (err) 662 goto out; 663 664 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 665 key->cipher == WLAN_CIPHER_SUITE_WEP40) 666 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, 667 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 668 &mvif->wep_sta->deflink.wcid, cmd, msta); 669 out: 670 return err; 671 } 672 673 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 674 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 675 struct ieee80211_key_conf *key) 676 { 677 struct mt792x_dev *dev = mt792x_hw_dev(hw); 678 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 679 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 680 &mvif->sta; 681 struct mt792x_link_sta *mlink; 682 int err; 683 684 /* The hardware does not support per-STA RX GTK, fallback 685 * to software mode for these. 686 */ 687 if ((vif->type == NL80211_IFTYPE_ADHOC || 688 vif->type == NL80211_IFTYPE_MESH_POINT) && 689 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 690 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 691 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 692 return -EOPNOTSUPP; 693 694 mt792x_mutex_acquire(dev); 695 696 if (ieee80211_vif_is_mld(vif)) { 697 unsigned int link_id; 698 unsigned long add; 699 700 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links; 701 702 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 703 mlink = mt792x_sta_to_link(msta, link_id); 704 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id, 705 mlink); 706 if (err < 0) 707 break; 708 } 709 } else { 710 mlink = mt792x_sta_to_link(msta, vif->bss_conf.link_id); 711 err = mt7925_set_link_key(hw, cmd, vif, sta, key, 712 vif->bss_conf.link_id, mlink); 713 } 714 715 mt792x_mutex_release(dev); 716 717 return err; 718 } 719 720 static void 721 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 722 { 723 struct mt792x_dev *dev = priv; 724 struct ieee80211_hw *hw = mt76_hw(dev); 725 bool pm_enable = dev->pm.enable; 726 int err; 727 728 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 729 if (err < 0) 730 return; 731 732 if (pm_enable) { 733 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 734 ieee80211_hw_set(hw, CONNECTION_MONITOR); 735 } else { 736 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 737 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 738 } 739 } 740 741 static void 742 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 743 { 744 struct mt792x_dev *dev = priv; 745 struct ieee80211_hw *hw = mt76_hw(dev); 746 struct mt76_connac_pm *pm = &dev->pm; 747 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 748 749 mt7925_mcu_set_sniffer(dev, vif, monitor); 750 pm->enable = pm->enable_user && !monitor; 751 pm->ds_enable = pm->ds_enable_user && !monitor; 752 753 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 754 755 if (monitor) 756 mt7925_mcu_set_beacon_filter(dev, vif, false); 757 } 758 759 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 760 { 761 struct ieee80211_hw *hw = mt76_hw(dev); 762 struct mt76_connac_pm *pm = &dev->pm; 763 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 764 765 pm->enable = pm->enable_user && !monitor; 766 ieee80211_iterate_active_interfaces(hw, 767 IEEE80211_IFACE_ITER_RESUME_ALL, 768 mt7925_pm_interface_iter, dev); 769 pm->ds_enable = pm->ds_enable_user && !monitor; 770 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 771 } 772 773 static int mt7925_config(struct ieee80211_hw *hw, int radio_idx, u32 changed) 774 { 775 struct mt792x_dev *dev = mt792x_hw_dev(hw); 776 int ret = 0; 777 778 mt792x_mutex_acquire(dev); 779 780 if (changed & IEEE80211_CONF_CHANGE_POWER) { 781 ret = mt7925_set_tx_sar_pwr(hw, NULL); 782 if (ret) 783 goto out; 784 } 785 786 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 787 ieee80211_iterate_active_interfaces(hw, 788 IEEE80211_IFACE_ITER_RESUME_ALL, 789 mt7925_sniffer_interface_iter, dev); 790 } 791 792 out: 793 mt792x_mutex_release(dev); 794 795 return ret; 796 } 797 798 static void mt7925_configure_filter(struct ieee80211_hw *hw, 799 unsigned int changed_flags, 800 unsigned int *total_flags, 801 u64 multicast) 802 { 803 #define MT7925_FILTER_FCSFAIL BIT(2) 804 #define MT7925_FILTER_CONTROL BIT(5) 805 #define MT7925_FILTER_OTHER_BSS BIT(6) 806 #define MT7925_FILTER_ENABLE BIT(31) 807 struct mt792x_dev *dev = mt792x_hw_dev(hw); 808 u32 flags = MT7925_FILTER_ENABLE; 809 810 #define MT7925_FILTER(_fif, _type) do { \ 811 if (*total_flags & (_fif)) \ 812 flags |= MT7925_FILTER_##_type; \ 813 } while (0) 814 815 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 816 MT7925_FILTER(FIF_CONTROL, CONTROL); 817 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 818 819 mt792x_mutex_acquire(dev); 820 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 821 mt792x_mutex_release(dev); 822 823 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 824 } 825 826 static u8 827 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 828 bool beacon, bool mcast) 829 { 830 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; 831 struct mt76_phy *mphy = hw->priv; 832 u16 rate; 833 u8 i, idx, ht; 834 835 rate = mt76_connac2_mac_tx_rate_val(mphy, &vif->bss_conf, beacon, mcast); 836 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 837 838 if (beacon && ht) { 839 struct mt792x_dev *dev = mt792x_hw_dev(hw); 840 841 /* must odd index */ 842 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 843 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 844 return idx; 845 } 846 847 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 848 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 849 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 850 return MT792x_BASIC_RATES_TBL + i; 851 852 return mvif->basic_rates_idx; 853 } 854 855 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, 856 struct ieee80211_vif *vif, 857 struct ieee80211_link_sta *link_sta, 858 struct mt792x_link_sta *mlink) 859 { 860 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 861 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 862 struct ieee80211_bss_conf *link_conf; 863 struct mt792x_bss_conf *mconf; 864 u8 link_id = link_sta->link_id; 865 bool wcid_published = false; 866 struct mt792x_sta *msta; 867 struct mt76_wcid *wcid; 868 bool pm_woken = false; 869 int ret, idx; 870 871 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 872 873 if (WARN_ON_ONCE(!mlink)) 874 return -EINVAL; 875 876 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 877 if (idx < 0) 878 return -ENOSPC; 879 880 mconf = mt792x_vif_to_link(mvif, link_id); 881 mt76_wcid_init(&mlink->wcid, 0); 882 mlink->wcid.sta = 1; 883 mlink->wcid.idx = idx; 884 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 885 mlink->last_txs = jiffies; 886 mlink->wcid.link_id = link_sta->link_id; 887 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 888 mlink->sta = msta; 889 890 wcid = &mlink->wcid; 891 ewma_signal_init(&wcid->rssi); 892 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 893 wcid_published = true; 894 ewma_avg_signal_init(&mlink->avg_ack_signal); 895 memset(mlink->airtime_ac, 0, 896 sizeof(msta->deflink.airtime_ac)); 897 898 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 899 if (ret) 900 goto out_wcid; 901 pm_woken = true; 902 903 mt7925_mac_wtbl_update(dev, idx, 904 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 905 906 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 907 908 /* should update bss info before STA add */ 909 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 910 struct mt792x_link_sta *mlink_bc; 911 912 mlink_bc = mt792x_sta_to_link(&mvif->sta, mconf->link_id); 913 914 if (ieee80211_vif_is_mld(vif)) { 915 ret = mt7925_mcu_add_bss_info_sta(&dev->phy, mconf->mt76.ctx, 916 link_conf, link_sta, 917 mlink_bc->wcid.idx, mlink->wcid.idx, 918 link_sta != mlink->pri_link); 919 if (ret) 920 goto out_pm; 921 } else { 922 ret = mt7925_mcu_add_bss_info_sta(&dev->phy, mconf->mt76.ctx, 923 link_conf, link_sta, 924 mlink_bc->wcid.idx, mlink->wcid.idx, 925 false); 926 if (ret) 927 goto out_pm; 928 } 929 } 930 931 if (ieee80211_vif_is_mld(vif) && 932 link_sta == mlink->pri_link) { 933 ret = mt7925_mcu_sta_update(dev, link_sta, vif, 934 mlink, true, 935 MT76_STA_INFO_STATE_NONE); 936 if (ret) 937 goto out_pm; 938 } else if (ieee80211_vif_is_mld(vif) && 939 link_sta != mlink->pri_link) { 940 struct mt792x_link_sta *pri_mlink; 941 struct mt76_wcid *pri_wcid; 942 943 /* alternative lookup via def_wcid */ 944 pri_wcid = mlink->wcid.def_wcid; 945 946 pri_mlink = pri_wcid ? 947 container_of(pri_wcid, struct mt792x_link_sta, wcid) : 948 NULL; 949 950 if (WARN_ON_ONCE(!pri_mlink)) { 951 ret = -EINVAL; 952 goto out_pm; 953 } 954 955 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 956 pri_mlink, true, 957 MT76_STA_INFO_STATE_ASSOC); 958 if (ret) 959 goto out_pm; 960 961 ret = mt7925_mcu_sta_update(dev, link_sta, vif, 962 mlink, true, 963 MT76_STA_INFO_STATE_ASSOC); 964 if (ret) 965 goto out_pm; 966 } else { 967 ret = mt7925_mcu_sta_update(dev, link_sta, vif, 968 mlink, true, 969 MT76_STA_INFO_STATE_NONE); 970 if (ret) 971 goto out_pm; 972 } 973 974 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 975 976 return 0; 977 978 out_pm: 979 if (pm_woken) 980 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 981 out_wcid: 982 if (wcid_published) { 983 u16 idx = wcid->idx; 984 985 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 986 mt76_wcid_cleanup(mdev, wcid); 987 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 988 } 989 return ret; 990 } 991 992 /* 993 * Host-only unwind for sta_add_links() failures. 994 * 995 * If add_links fail due to MCU/firmware timeouts; calling the full remove 996 * path would send more firmware commands and may hang again. So only rollback 997 * host-published state here (msta->link/valid_links, dev->mt76.wcid[idx]) and 998 * free mlink objects (RCU-safe). Firmware state is left for reset/recovery. 999 */ 1000 static void 1001 mt7925_mac_sta_unwind_links_host(struct mt792x_dev *dev, 1002 struct ieee80211_sta *sta, 1003 unsigned long links) 1004 { 1005 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1006 unsigned int link_id; 1007 1008 for_each_set_bit(link_id, &links, IEEE80211_MLD_MAX_NUM_LINKS) { 1009 struct mt792x_link_sta *mlink; 1010 u16 idx; 1011 1012 mlink = rcu_replace_pointer(msta->link[link_id], NULL, 1013 lockdep_is_held(&dev->mt76.mutex)); 1014 if (!mlink) 1015 continue; 1016 1017 msta->valid_links &= ~BIT(link_id); 1018 if (msta->deflink_id == link_id) 1019 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1020 1021 idx = mlink->wcid.idx; 1022 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 1023 mt76_wcid_cleanup(&dev->mt76, &mlink->wcid); 1024 mt76_wcid_mask_clear(dev->mt76.wcid_mask, idx); 1025 1026 if (mlink != &msta->deflink) 1027 kfree_rcu(mlink, rcu_head); 1028 } 1029 } 1030 1031 static int 1032 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1033 struct ieee80211_sta *sta, unsigned long new_links) 1034 { 1035 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1036 unsigned long added_links = 0; 1037 unsigned int link_id; 1038 int err = 0; 1039 1040 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1041 struct ieee80211_link_sta *link_sta; 1042 struct mt792x_link_sta *mlink; 1043 bool is_deflink = false; 1044 1045 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 1046 mlink = &msta->deflink; 1047 is_deflink = true; 1048 } else { 1049 mlink = kzalloc(sizeof(*mlink), GFP_KERNEL); 1050 if (!mlink) { 1051 err = -ENOMEM; 1052 break; 1053 } 1054 } 1055 1056 mlink->sta = msta; 1057 mlink->pri_link = &sta->deflink; 1058 mlink->wcid.def_wcid = &msta->deflink.wcid; 1059 1060 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1061 err = mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta, mlink); 1062 if (err) { 1063 if (!is_deflink) 1064 kfree_rcu(mlink, rcu_head); 1065 break; 1066 } 1067 1068 if (is_deflink) 1069 msta->deflink_id = link_id; 1070 1071 rcu_assign_pointer(msta->link[link_id], mlink); 1072 msta->valid_links |= BIT(link_id); 1073 1074 added_links |= BIT(link_id); 1075 } 1076 1077 if (err && added_links) 1078 mt7925_mac_sta_unwind_links_host(dev, sta, added_links); 1079 1080 return err; 1081 } 1082 1083 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1084 struct ieee80211_sta *sta) 1085 { 1086 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1087 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1088 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1089 int err; 1090 1091 msta->vif = mvif; 1092 1093 if (vif->type == NL80211_IFTYPE_STATION) 1094 mvif->wep_sta = msta; 1095 1096 if (ieee80211_vif_is_mld(vif)) { 1097 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1098 1099 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 1100 } else { 1101 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink, 1102 &msta->deflink); 1103 } 1104 1105 return err; 1106 } 1107 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 1108 1109 static void 1110 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1111 { 1112 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1113 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1114 struct ieee80211_bss_conf *link_conf = 1115 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1116 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1117 enum nl80211_band band = chandef->chan->band, secondary_band; 1118 1119 u16 sel_links = mt76_select_links(vif, 2); 1120 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1121 1122 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1123 return; 1124 1125 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1126 secondary_band = link_conf->chanreq.oper.chan->band; 1127 1128 if (band == NL80211_BAND_2GHZ || 1129 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1130 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1131 1132 mt792x_mutex_acquire(dev); 1133 1134 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1135 1136 mt792x_mutex_release(dev); 1137 } 1138 1139 ieee80211_set_active_links_async(vif, sel_links); 1140 } 1141 1142 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1143 struct ieee80211_vif *vif, 1144 struct ieee80211_link_sta *link_sta) 1145 { 1146 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1147 struct ieee80211_bss_conf *link_conf; 1148 struct mt792x_link_sta *mlink; 1149 struct mt792x_sta *msta; 1150 1151 mt792x_mutex_acquire(dev); 1152 1153 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1154 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1155 1156 if (ieee80211_vif_is_mld(vif)) { 1157 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1158 } else { 1159 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1160 } 1161 1162 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1163 struct mt792x_bss_conf *mconf; 1164 1165 mconf = mt792x_link_conf_to_mconf(link_conf); 1166 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1167 link_conf, link_sta, true); 1168 } 1169 1170 ewma_avg_signal_init(&mlink->avg_ack_signal); 1171 1172 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1173 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1174 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1175 1176 mt7925_mcu_sta_update(dev, link_sta, vif, mlink, true, 1177 MT76_STA_INFO_STATE_ASSOC); 1178 1179 mt792x_mutex_release(dev); 1180 } 1181 1182 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1183 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1184 { 1185 struct ieee80211_link_sta *link_sta = &sta->deflink; 1186 1187 if (ev != MT76_STA_EVENT_ASSOC) 1188 return 0; 1189 1190 if (ieee80211_vif_is_mld(vif)) { 1191 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1192 1193 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1194 mt7925_mac_set_links(mdev, vif); 1195 } 1196 1197 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1198 1199 return 0; 1200 } 1201 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1202 1203 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1204 struct ieee80211_vif *vif, 1205 struct ieee80211_link_sta *link_sta, 1206 struct mt792x_link_sta *mlink) 1207 { 1208 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1209 struct mt76_wcid *wcid = &mlink->wcid; 1210 struct ieee80211_bss_conf *link_conf; 1211 u8 link_id = link_sta->link_id; 1212 u16 idx = wcid->idx; 1213 1214 mt7925_roc_abort_sync(dev); 1215 1216 mt76_connac_free_pending_tx_skbs(&dev->pm, wcid); 1217 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1218 1219 mt7925_mcu_sta_update(dev, link_sta, vif, mlink, false, 1220 MT76_STA_INFO_STATE_NONE); 1221 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1222 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1223 1224 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1225 1226 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1227 struct mt792x_bss_conf *mconf; 1228 1229 mconf = mt792x_link_conf_to_mconf(link_conf); 1230 1231 if (ieee80211_vif_is_mld(vif)) 1232 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1233 else 1234 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1235 link_sta, false); 1236 } 1237 1238 spin_lock_bh(&mdev->sta_poll_lock); 1239 if (!list_empty(&mlink->wcid.poll_list)) 1240 list_del_init(&mlink->wcid.poll_list); 1241 spin_unlock_bh(&mdev->sta_poll_lock); 1242 1243 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 1244 mt76_wcid_cleanup(mdev, wcid); 1245 mt76_wcid_mask_clear(mdev->wcid_mask, idx); 1246 1247 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1248 } 1249 1250 static int 1251 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1252 struct ieee80211_sta *sta, unsigned long old_links) 1253 { 1254 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1255 struct mt76_dev *mdev = &dev->mt76; 1256 unsigned int link_id; 1257 1258 /* clean up bss before starec */ 1259 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1260 struct ieee80211_link_sta *link_sta; 1261 struct ieee80211_bss_conf *link_conf; 1262 struct mt792x_bss_conf *mconf; 1263 struct mt792x_link_sta *mlink; 1264 1265 if (vif->type == NL80211_IFTYPE_AP) 1266 break; 1267 1268 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1269 if (!link_sta) 1270 continue; 1271 1272 mlink = mt792x_sta_to_link(msta, link_id); 1273 if (!mlink) 1274 continue; 1275 1276 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1277 if (!link_conf) 1278 continue; 1279 1280 mconf = mt792x_link_conf_to_mconf(link_conf); 1281 1282 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1283 link_sta, false); 1284 } 1285 1286 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1287 struct ieee80211_link_sta *link_sta; 1288 struct mt792x_link_sta *mlink; 1289 1290 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1291 if (!link_sta) 1292 continue; 1293 1294 mlink = rcu_replace_pointer(msta->link[link_id], NULL, 1295 lockdep_is_held(&mdev->mutex)); 1296 if (!mlink) 1297 continue; 1298 1299 msta->valid_links &= ~BIT(link_id); 1300 mlink->sta = NULL; 1301 mlink->pri_link = NULL; 1302 1303 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta, mlink); 1304 1305 if (mlink != &msta->deflink) 1306 kfree_rcu(mlink, rcu_head); 1307 1308 if (msta->deflink_id == link_id) 1309 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1310 } 1311 1312 return 0; 1313 } 1314 1315 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1316 struct ieee80211_sta *sta) 1317 { 1318 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1319 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1320 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1321 unsigned long rem; 1322 1323 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1324 1325 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1326 1327 if (ieee80211_vif_is_mld(vif)) 1328 mt7925_mcu_del_dev(mdev, vif); 1329 1330 if (vif->type == NL80211_IFTYPE_STATION) { 1331 mvif->wep_sta = NULL; 1332 ewma_rssi_init(&mvif->bss_conf.rssi); 1333 } 1334 1335 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC; 1336 } 1337 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1338 1339 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, 1340 u32 val) 1341 { 1342 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1343 1344 mt792x_mutex_acquire(dev); 1345 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1346 mt792x_mutex_release(dev); 1347 1348 return 0; 1349 } 1350 1351 static int 1352 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1353 struct ieee80211_ampdu_params *params) 1354 { 1355 enum ieee80211_ampdu_mlme_action action = params->action; 1356 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1357 struct ieee80211_sta *sta = params->sta; 1358 struct ieee80211_txq *txq = sta->txq[params->tid]; 1359 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1360 u16 tid = params->tid; 1361 u16 ssn = params->ssn; 1362 struct mt76_txq *mtxq; 1363 int ret = 0; 1364 1365 if (!txq) 1366 return -EINVAL; 1367 1368 mtxq = (struct mt76_txq *)txq->drv_priv; 1369 1370 mt792x_mutex_acquire(dev); 1371 switch (action) { 1372 case IEEE80211_AMPDU_RX_START: 1373 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1374 params->buf_size); 1375 mt7925_mcu_uni_rx_ba(dev, params, true); 1376 break; 1377 case IEEE80211_AMPDU_RX_STOP: 1378 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1379 mt7925_mcu_uni_rx_ba(dev, params, false); 1380 break; 1381 case IEEE80211_AMPDU_TX_OPERATIONAL: 1382 mtxq->aggr = true; 1383 mtxq->send_bar = false; 1384 mt7925_mcu_uni_tx_ba(dev, params, true); 1385 break; 1386 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1387 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1388 mtxq->aggr = false; 1389 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1390 mt7925_mcu_uni_tx_ba(dev, params, false); 1391 break; 1392 case IEEE80211_AMPDU_TX_START: 1393 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1394 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1395 break; 1396 case IEEE80211_AMPDU_TX_STOP_CONT: 1397 mtxq->aggr = false; 1398 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1399 mt7925_mcu_uni_tx_ba(dev, params, false); 1400 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1401 break; 1402 } 1403 mt792x_mutex_release(dev); 1404 1405 return ret; 1406 } 1407 1408 static void 1409 mt7925_mlo_pm_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 1410 { 1411 struct mt792x_dev *dev = priv; 1412 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1413 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1414 mvif->valid_links : BIT(0); 1415 struct ieee80211_bss_conf *bss_conf; 1416 int i; 1417 1418 if (mvif->mlo_pm_state != MT792x_MLO_CHANGED_PS) 1419 return; 1420 1421 mt792x_mutex_acquire(dev); 1422 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1423 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1424 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1425 } 1426 mt792x_mutex_release(dev); 1427 } 1428 1429 void mt7925_mlo_pm_work(struct work_struct *work) 1430 { 1431 struct mt792x_dev *dev = container_of(work, struct mt792x_dev, 1432 mlo_pm_work.work); 1433 struct ieee80211_hw *hw = mt76_hw(dev); 1434 1435 ieee80211_iterate_active_interfaces(hw, 1436 IEEE80211_IFACE_ITER_RESUME_ALL, 1437 mt7925_mlo_pm_iter, dev); 1438 } 1439 1440 void mt7925_scan_work(struct work_struct *work) 1441 { 1442 struct mt792x_phy *phy; 1443 struct mt792x_dev *dev; 1444 struct mt76_connac_pm *pm; 1445 1446 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1447 scan_work.work); 1448 1449 dev = phy->dev; 1450 pm = &dev->pm; 1451 1452 if (pm->suspended) 1453 return; 1454 1455 while (true) { 1456 struct sk_buff *skb; 1457 struct tlv *tlv; 1458 int tlv_len; 1459 1460 spin_lock_bh(&phy->dev->mt76.lock); 1461 skb = __skb_dequeue(&phy->scan_event_list); 1462 spin_unlock_bh(&phy->dev->mt76.lock); 1463 1464 if (!skb) 1465 break; 1466 1467 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1468 tlv = (struct tlv *)skb->data; 1469 tlv_len = skb->len; 1470 1471 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1472 struct mt7925_mcu_scan_chinfo_event *evt; 1473 1474 switch (le16_to_cpu(tlv->tag)) { 1475 case UNI_EVENT_SCAN_DONE_BASIC: 1476 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1477 struct cfg80211_scan_info info = { 1478 .aborted = false, 1479 }; 1480 ieee80211_scan_completed(phy->mt76->hw, &info); 1481 } 1482 break; 1483 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1484 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1485 1486 mt7925_regd_change(phy, evt->alpha2); 1487 1488 break; 1489 case UNI_EVENT_SCAN_DONE_NLO: 1490 ieee80211_sched_scan_results(phy->mt76->hw); 1491 break; 1492 default: 1493 break; 1494 } 1495 1496 tlv_len -= le16_to_cpu(tlv->len); 1497 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1498 } 1499 1500 dev_kfree_skb(skb); 1501 } 1502 } 1503 1504 static int 1505 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1506 struct ieee80211_scan_request *req) 1507 { 1508 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1509 struct mt76_phy *mphy = hw->priv; 1510 int err; 1511 1512 mt792x_mutex_acquire(dev); 1513 err = mt7925_mcu_hw_scan(mphy, vif, req); 1514 mt792x_mutex_release(dev); 1515 1516 return err; 1517 } 1518 1519 static void 1520 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1521 { 1522 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1523 struct mt76_phy *mphy = hw->priv; 1524 1525 mt792x_mutex_acquire(dev); 1526 mt7925_mcu_cancel_hw_scan(mphy, vif); 1527 mt792x_mutex_release(dev); 1528 } 1529 1530 static int 1531 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1532 struct cfg80211_sched_scan_request *req, 1533 struct ieee80211_scan_ies *ies) 1534 { 1535 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1536 struct mt76_phy *mphy = hw->priv; 1537 int err; 1538 1539 mt792x_mutex_acquire(dev); 1540 1541 err = mt7925_mcu_sched_scan_req(mphy, vif, req, ies); 1542 if (err < 0) 1543 goto out; 1544 1545 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1546 out: 1547 mt792x_mutex_release(dev); 1548 1549 return err; 1550 } 1551 1552 static int 1553 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1554 { 1555 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1556 struct mt76_phy *mphy = hw->priv; 1557 int err; 1558 1559 mt792x_mutex_acquire(dev); 1560 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1561 mt792x_mutex_release(dev); 1562 1563 return err; 1564 } 1565 1566 static int 1567 mt7925_set_antenna(struct ieee80211_hw *hw, int radio_idx, 1568 u32 tx_ant, u32 rx_ant) 1569 { 1570 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1571 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1572 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1573 1574 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1575 return -EINVAL; 1576 1577 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1578 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1579 1580 mt792x_mutex_acquire(dev); 1581 1582 phy->mt76->antenna_mask = tx_ant; 1583 phy->mt76->chainmask = tx_ant; 1584 1585 mt76_set_stream_caps(phy->mt76, true); 1586 mt7925_set_stream_he_eht_caps(phy); 1587 1588 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1589 mt792x_mutex_release(dev); 1590 1591 return 0; 1592 } 1593 1594 #ifdef CONFIG_PM 1595 static int mt7925_suspend(struct ieee80211_hw *hw, 1596 struct cfg80211_wowlan *wowlan) 1597 { 1598 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1599 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1600 1601 cancel_delayed_work_sync(&phy->scan_work); 1602 cancel_delayed_work_sync(&phy->mt76->mac_work); 1603 1604 cancel_delayed_work_sync(&dev->pm.ps_work); 1605 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1606 1607 mt792x_mutex_acquire(dev); 1608 1609 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1610 ieee80211_iterate_active_interfaces(hw, 1611 IEEE80211_IFACE_ITER_RESUME_ALL, 1612 mt7925_mcu_set_suspend_iter, 1613 &dev->mphy); 1614 1615 mt792x_mutex_release(dev); 1616 1617 return 0; 1618 } 1619 1620 static int mt7925_resume(struct ieee80211_hw *hw) 1621 { 1622 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1623 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1624 1625 mt792x_mutex_acquire(dev); 1626 1627 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1628 ieee80211_iterate_active_interfaces(hw, 1629 IEEE80211_IFACE_ITER_RESUME_ALL, 1630 mt7925_mcu_set_suspend_iter, 1631 &dev->mphy); 1632 1633 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1634 MT792x_WATCHDOG_TIME); 1635 1636 mt792x_mutex_release(dev); 1637 1638 return 0; 1639 } 1640 1641 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1642 struct ieee80211_vif *vif, 1643 struct cfg80211_gtk_rekey_data *data) 1644 { 1645 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1646 1647 mt792x_mutex_acquire(dev); 1648 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1649 mt792x_mutex_release(dev); 1650 } 1651 #endif /* CONFIG_PM */ 1652 1653 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1654 struct ieee80211_vif *vif, 1655 struct ieee80211_sta *sta, 1656 bool enabled) 1657 { 1658 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1659 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1660 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1661 unsigned long valid = mvif->valid_links; 1662 u8 i; 1663 1664 if (!msta->vif) 1665 return; 1666 1667 mt792x_mutex_acquire(dev); 1668 1669 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1670 1671 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1672 struct mt792x_bss_conf *mconf; 1673 struct mt792x_link_sta *mlink; 1674 1675 mconf = mt792x_vif_to_link(mvif, i); 1676 mlink = mt792x_sta_to_link(msta, i); 1677 1678 if (enabled) 1679 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1680 else 1681 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1682 1683 if (!mlink->wcid.sta) 1684 continue; 1685 1686 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, mconf, mlink); 1687 } 1688 1689 mt792x_mutex_release(dev); 1690 } 1691 1692 #if IS_ENABLED(CONFIG_IPV6) 1693 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1694 struct ieee80211_bss_conf *link_conf, 1695 struct inet6_dev *idev) 1696 { 1697 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1698 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1699 struct inet6_ifaddr *ifa; 1700 struct sk_buff *skb; 1701 u8 idx = 0; 1702 1703 struct { 1704 struct { 1705 u8 bss_idx; 1706 u8 pad[3]; 1707 } __packed hdr; 1708 struct mt7925_arpns_tlv arpns; 1709 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1710 } req_hdr = { 1711 .hdr = { 1712 .bss_idx = mconf->mt76.idx, 1713 }, 1714 .arpns = { 1715 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1716 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1717 .enable = true, 1718 }, 1719 }; 1720 1721 read_lock_bh(&idev->lock); 1722 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1723 if (ifa->flags & IFA_F_TENTATIVE) 1724 continue; 1725 req_hdr.ns_addrs[idx] = ifa->addr; 1726 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1727 break; 1728 } 1729 read_unlock_bh(&idev->lock); 1730 1731 if (!idx) 1732 return; 1733 1734 req_hdr.arpns.ips_num = idx; 1735 1736 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1737 0, GFP_ATOMIC); 1738 if (!skb) 1739 return; 1740 1741 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1742 1743 skb_queue_tail(&dev->ipv6_ns_list, skb); 1744 1745 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1746 } 1747 1748 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1749 struct ieee80211_vif *vif, 1750 struct inet6_dev *idev) 1751 { 1752 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1753 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1754 mvif->valid_links : BIT(0); 1755 struct ieee80211_bss_conf *bss_conf; 1756 int i; 1757 1758 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1759 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1760 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1761 } 1762 } 1763 1764 #endif 1765 1766 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1767 const struct cfg80211_sar_specs *sar) 1768 { 1769 struct mt76_phy *mphy = hw->priv; 1770 1771 if (sar) { 1772 int err = mt76_init_sar_power(hw, sar); 1773 1774 if (err) 1775 return err; 1776 } 1777 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1778 1779 return mt7925_mcu_set_rate_txpower(mphy); 1780 } 1781 1782 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1783 const struct cfg80211_sar_specs *sar) 1784 { 1785 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1786 int err; 1787 1788 mt792x_mutex_acquire(dev); 1789 err = mt7925_set_tx_sar_pwr(hw, sar); 1790 mt792x_mutex_release(dev); 1791 1792 return err; 1793 } 1794 1795 static void 1796 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1797 struct ieee80211_vif *vif, 1798 struct cfg80211_chan_def *chandef) 1799 { 1800 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1801 1802 mt792x_mutex_acquire(dev); 1803 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1804 mt792x_mutex_release(dev); 1805 } 1806 1807 static int 1808 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1809 unsigned int link_id, u16 queue, 1810 const struct ieee80211_tx_queue_params *params) 1811 { 1812 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1813 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1814 static const u8 mq_to_aci[] = { 1815 [IEEE80211_AC_VO] = 3, 1816 [IEEE80211_AC_VI] = 2, 1817 [IEEE80211_AC_BE] = 0, 1818 [IEEE80211_AC_BK] = 1, 1819 }; 1820 1821 /* firmware uses access class index */ 1822 mconf->queue_params[mq_to_aci[queue]] = *params; 1823 1824 return 0; 1825 } 1826 1827 static int 1828 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1829 struct ieee80211_bss_conf *link_conf) 1830 { 1831 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1832 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1833 int err; 1834 1835 mt792x_mutex_acquire(dev); 1836 1837 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1838 link_conf, NULL, true); 1839 if (err) 1840 goto out; 1841 1842 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1843 if (err) 1844 goto out; 1845 1846 err = mt7925_mcu_sta_update(dev, NULL, vif, 1847 &mvif->sta.deflink, true, 1848 MT76_STA_INFO_STATE_NONE); 1849 out: 1850 mt792x_mutex_release(dev); 1851 1852 return err; 1853 } 1854 1855 static void 1856 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1857 struct ieee80211_bss_conf *link_conf) 1858 { 1859 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1860 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1861 int err; 1862 1863 mt792x_mutex_acquire(dev); 1864 1865 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1866 if (err) 1867 goto out; 1868 1869 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1870 NULL, false); 1871 1872 out: 1873 mt792x_mutex_release(dev); 1874 } 1875 1876 static int 1877 mt7925_add_chanctx(struct ieee80211_hw *hw, 1878 struct ieee80211_chanctx_conf *ctx) 1879 { 1880 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1881 1882 dev->new_ctx = ctx; 1883 1884 return 0; 1885 } 1886 1887 static void 1888 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1889 struct ieee80211_chanctx_conf *ctx) 1890 { 1891 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1892 1893 if (dev->new_ctx == ctx) 1894 dev->new_ctx = NULL; 1895 1896 } 1897 1898 static void 1899 mt7925_change_chanctx(struct ieee80211_hw *hw, 1900 struct ieee80211_chanctx_conf *ctx, 1901 u32 changed) 1902 { 1903 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1904 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1905 struct mt792x_bss_conf *mconf; 1906 struct ieee80211_vif *vif; 1907 struct mt792x_vif *mvif; 1908 1909 if (!mctx->bss_conf) 1910 return; 1911 1912 mconf = mctx->bss_conf; 1913 mvif = mconf->vif; 1914 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1915 1916 mt792x_mutex_acquire(phy->dev); 1917 if (vif->type == NL80211_IFTYPE_MONITOR) { 1918 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1919 mt7925_mcu_config_sniffer(mvif, ctx); 1920 } else { 1921 if (ieee80211_vif_is_mld(vif)) { 1922 unsigned long valid = mvif->valid_links; 1923 u8 i; 1924 1925 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1926 mconf = mt792x_vif_to_link(mvif, i); 1927 if (mconf && mconf->mt76.ctx == ctx) 1928 break; 1929 } 1930 1931 } else { 1932 mconf = &mvif->bss_conf; 1933 } 1934 1935 if (mconf) { 1936 struct ieee80211_bss_conf *link_conf; 1937 1938 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1939 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1940 link_conf, ctx); 1941 1942 if (changed & IEEE80211_CHANCTX_CHANGE_PUNCTURING) 1943 mt7925_mcu_set_eht_pp(mvif->phy->mt76, &mconf->mt76, 1944 link_conf, ctx); 1945 } 1946 } 1947 1948 mt792x_mutex_release(phy->dev); 1949 } 1950 1951 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1952 struct ieee80211_vif *vif, 1953 struct ieee80211_prep_tx_info *info) 1954 { 1955 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1956 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1957 u16 duration = info->duration ? info->duration : 1958 jiffies_to_msecs(HZ); 1959 1960 mt792x_mutex_acquire(dev); 1961 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1962 mvif->bss_conf.mt76.ctx->def.chan, duration, 1963 MT7925_ROC_REQ_JOIN); 1964 mt792x_mutex_release(dev); 1965 } 1966 1967 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1968 struct ieee80211_vif *vif, 1969 struct ieee80211_prep_tx_info *info) 1970 { 1971 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1972 1973 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1974 } 1975 1976 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1977 struct ieee80211_vif *vif, 1978 u64 changed) 1979 { 1980 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1981 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1982 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1983 mvif->valid_links : BIT(0); 1984 struct ieee80211_bss_conf *bss_conf; 1985 int i; 1986 1987 mt792x_mutex_acquire(dev); 1988 1989 if (changed & BSS_CHANGED_ASSOC) { 1990 mt7925_mcu_sta_update(dev, NULL, vif, 1991 &mvif->sta.deflink, true, 1992 MT76_STA_INFO_STATE_ASSOC); 1993 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1994 1995 if (ieee80211_vif_is_mld(vif)) 1996 mvif->mlo_pm_state = MT792x_MLO_LINK_ASSOC; 1997 } 1998 1999 if (changed & BSS_CHANGED_ARP_FILTER) { 2000 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 2001 bss_conf = mt792x_vif_to_bss_conf(vif, i); 2002 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 2003 } 2004 } 2005 2006 if (changed & BSS_CHANGED_PS) { 2007 if (hweight16(mvif->valid_links) < 2) { 2008 /* legacy */ 2009 bss_conf = &vif->bss_conf; 2010 mt7925_mcu_uni_bss_ps(dev, bss_conf); 2011 } else { 2012 if (mvif->mlo_pm_state == MT792x_MLO_LINK_ASSOC) { 2013 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS_PENDING; 2014 } else if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS) { 2015 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 2016 bss_conf = mt792x_vif_to_bss_conf(vif, i); 2017 mt7925_mcu_uni_bss_ps(dev, bss_conf); 2018 } 2019 } 2020 } 2021 } 2022 2023 mt792x_mutex_release(dev); 2024 } 2025 2026 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 2027 struct ieee80211_vif *vif, 2028 struct ieee80211_bss_conf *info, 2029 u64 changed) 2030 { 2031 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2032 struct mt792x_phy *phy = mt792x_hw_phy(hw); 2033 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2034 struct mt792x_bss_conf *mconf; 2035 2036 mconf = mt792x_vif_to_link(mvif, info->link_id); 2037 2038 mt792x_mutex_acquire(dev); 2039 2040 if (changed & BSS_CHANGED_ERP_SLOT) { 2041 int slottime = info->use_short_slot ? 9 : 20; 2042 2043 if (slottime != phy->slottime) { 2044 phy->slottime = slottime; 2045 mt7925_mcu_set_timing(phy, info); 2046 } 2047 } 2048 2049 if (changed & BSS_CHANGED_MCAST_RATE) 2050 mconf->mt76.mcast_rates_idx = 2051 mt7925_get_rates_table(hw, vif, false, true); 2052 2053 if (changed & BSS_CHANGED_BASIC_RATES) 2054 mconf->mt76.basic_rates_idx = 2055 mt7925_get_rates_table(hw, vif, false, false); 2056 2057 if (changed & (BSS_CHANGED_BEACON | 2058 BSS_CHANGED_BEACON_ENABLED)) { 2059 mconf->mt76.beacon_rates_idx = 2060 mt7925_get_rates_table(hw, vif, true, false); 2061 2062 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 2063 info->enable_beacon); 2064 } 2065 2066 /* ensure that enable txcmd_mode after bss_info */ 2067 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 2068 mt7925_mcu_set_tx(dev, info); 2069 2070 if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS_PENDING) { 2071 /* Indicate the secondary setup done */ 2072 mt7925_mcu_uni_bss_bcnft(dev, info, true); 2073 2074 ieee80211_queue_delayed_work(hw, &dev->mlo_pm_work, 5 * HZ); 2075 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS; 2076 } 2077 2078 if (changed & BSS_CHANGED_CQM) 2079 mt7925_mcu_set_rssimonitor(dev, vif); 2080 2081 mt792x_mutex_release(dev); 2082 } 2083 2084 static int 2085 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2086 u16 old_links, u16 new_links, 2087 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 2088 { 2089 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 2090 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 2091 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2092 unsigned long add = new_links & ~old_links; 2093 unsigned long rem = old_links & ~new_links; 2094 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2095 struct mt792x_phy *phy = mt792x_hw_phy(hw); 2096 struct ieee80211_bss_conf *link_conf; 2097 unsigned int link_id; 2098 int err; 2099 2100 if (old_links == new_links) 2101 return 0; 2102 2103 mt792x_mutex_acquire(dev); 2104 2105 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 2106 mconf = mt792x_vif_to_link(mvif, link_id); 2107 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 2108 2109 if (!mconf || !mlink) 2110 continue; 2111 2112 if (mconf != &mvif->bss_conf) { 2113 mt792x_mac_link_bss_remove(dev, mconf, mlink); 2114 devm_kfree(dev->mt76.dev, mconf); 2115 devm_kfree(dev->mt76.dev, mlink); 2116 } 2117 2118 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2119 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2120 } 2121 2122 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2123 if (!old_links) { 2124 mvif->deflink_id = link_id; 2125 mconf = &mvif->bss_conf; 2126 mlink = &mvif->sta.deflink; 2127 } else { 2128 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 2129 GFP_KERNEL); 2130 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 2131 GFP_KERNEL); 2132 if (!mconf || !mlink) { 2133 mt792x_mutex_release(dev); 2134 return -ENOMEM; 2135 } 2136 } 2137 2138 mconfs[link_id] = mconf; 2139 mlinks[link_id] = mlink; 2140 mconf->link_id = link_id; 2141 mconf->vif = mvif; 2142 mlink->wcid.link_id = link_id; 2143 mlink->wcid.link_valid = !!vif->valid_links; 2144 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 2145 } 2146 2147 if (hweight16(mvif->valid_links) == 0) 2148 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 2149 &mvif->sta.deflink); 2150 2151 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2152 mconf = mconfs[link_id]; 2153 mlink = mlinks[link_id]; 2154 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 2155 2156 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 2157 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 2158 2159 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 2160 if (err < 0) 2161 goto free; 2162 2163 if (mconf != &mvif->bss_conf) { 2164 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 2165 vif->active_links); 2166 if (err < 0) 2167 goto free; 2168 } 2169 } 2170 2171 mvif->valid_links = new_links; 2172 2173 mt792x_mutex_release(dev); 2174 2175 return 0; 2176 2177 free: 2178 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2179 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2180 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2181 2182 if (mconf != &mvif->bss_conf) 2183 devm_kfree(dev->mt76.dev, mconfs[link_id]); 2184 if (mlink != &mvif->sta.deflink) 2185 devm_kfree(dev->mt76.dev, mlinks[link_id]); 2186 } 2187 2188 mt792x_mutex_release(dev); 2189 2190 return err; 2191 } 2192 2193 static int 2194 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2195 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2196 { 2197 unsigned long add = new_links & ~old_links; 2198 unsigned long rem = old_links & ~new_links; 2199 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2200 int err = 0; 2201 2202 if (old_links == new_links) 2203 return 0; 2204 2205 mt792x_mutex_acquire(dev); 2206 2207 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2208 if (err < 0) 2209 goto out; 2210 2211 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2212 if (err < 0) 2213 goto out; 2214 2215 out: 2216 mt792x_mutex_release(dev); 2217 2218 return err; 2219 } 2220 2221 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2222 struct ieee80211_vif *vif, 2223 struct ieee80211_bss_conf *link_conf, 2224 struct ieee80211_chanctx_conf *ctx) 2225 { 2226 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2227 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2228 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2229 struct ieee80211_bss_conf *pri_link_conf; 2230 struct mt792x_bss_conf *mconf; 2231 2232 mutex_lock(&dev->mt76.mutex); 2233 2234 if (ieee80211_vif_is_mld(vif)) { 2235 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2236 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2237 2238 if (vif->type == NL80211_IFTYPE_STATION && 2239 mconf == &mvif->bss_conf) 2240 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2241 NULL, true); 2242 } else { 2243 mconf = &mvif->bss_conf; 2244 } 2245 2246 mconf->mt76.ctx = ctx; 2247 mctx->bss_conf = mconf; 2248 mutex_unlock(&dev->mt76.mutex); 2249 2250 return 0; 2251 } 2252 2253 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2254 struct ieee80211_vif *vif, 2255 struct ieee80211_bss_conf *link_conf, 2256 struct ieee80211_chanctx_conf *ctx) 2257 { 2258 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2259 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2260 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2261 struct mt792x_bss_conf *mconf; 2262 2263 mutex_lock(&dev->mt76.mutex); 2264 2265 if (ieee80211_vif_is_mld(vif)) { 2266 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2267 2268 if (vif->type == NL80211_IFTYPE_STATION && 2269 mconf == &mvif->bss_conf) 2270 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf, 2271 NULL, false); 2272 } else { 2273 mconf = &mvif->bss_conf; 2274 } 2275 2276 mctx->bss_conf = NULL; 2277 mconf->mt76.ctx = NULL; 2278 mutex_unlock(&dev->mt76.mutex); 2279 2280 if (link_conf->csa_active) { 2281 timer_delete_sync(&mvif->csa_timer); 2282 cancel_work_sync(&mvif->csa_work); 2283 } 2284 } 2285 2286 static void mt7925_rfkill_poll(struct ieee80211_hw *hw) 2287 { 2288 struct mt792x_phy *phy = mt792x_hw_phy(hw); 2289 int ret; 2290 2291 mt792x_mutex_acquire(phy->dev); 2292 ret = mt7925_mcu_wf_rf_pin_ctrl(phy); 2293 mt792x_mutex_release(phy->dev); 2294 2295 wiphy_rfkill_set_hw_state(hw->wiphy, ret == 0); 2296 } 2297 2298 static int mt7925_switch_vif_chanctx(struct ieee80211_hw *hw, 2299 struct ieee80211_vif_chanctx_switch *vifs, 2300 int n_vifs, 2301 enum ieee80211_chanctx_switch_mode mode) 2302 { 2303 return mt7925_assign_vif_chanctx(hw, vifs->vif, vifs->link_conf, 2304 vifs->new_ctx); 2305 } 2306 2307 void mt7925_csa_work(struct work_struct *work) 2308 { 2309 struct mt792x_vif *mvif; 2310 struct mt792x_dev *dev; 2311 struct ieee80211_vif *vif; 2312 struct ieee80211_bss_conf *link_conf; 2313 struct mt792x_bss_conf *mconf; 2314 u8 link_id, roc_rtype; 2315 int ret = 0; 2316 2317 mvif = (struct mt792x_vif *)container_of(work, struct mt792x_vif, 2318 csa_work); 2319 dev = mvif->phy->dev; 2320 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 2321 2322 if (ieee80211_vif_is_mld(vif)) 2323 return; 2324 2325 if (!dev->new_ctx) 2326 return; 2327 2328 link_id = 0; 2329 mconf = &mvif->bss_conf; 2330 link_conf = &vif->bss_conf; 2331 roc_rtype = MT7925_ROC_REQ_JOIN; 2332 2333 mt792x_mutex_acquire(dev); 2334 ret = mt7925_set_roc(mvif->phy, mconf, dev->new_ctx->def.chan, 2335 4000, roc_rtype); 2336 mt792x_mutex_release(dev); 2337 if (!ret) { 2338 mt792x_mutex_acquire(dev); 2339 ret = mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, link_conf, 2340 dev->new_ctx); 2341 mt792x_mutex_release(dev); 2342 2343 mt7925_abort_roc(mvif->phy, mconf); 2344 } 2345 2346 ieee80211_chswitch_done(vif, !ret, link_id); 2347 } 2348 2349 static int mt7925_pre_channel_switch(struct ieee80211_hw *hw, 2350 struct ieee80211_vif *vif, 2351 struct ieee80211_channel_switch *chsw) 2352 { 2353 if (ieee80211_vif_is_mld(vif)) 2354 return -EOPNOTSUPP; 2355 2356 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) 2357 return -EOPNOTSUPP; 2358 2359 if (!cfg80211_chandef_usable(hw->wiphy, &chsw->chandef, 2360 IEEE80211_CHAN_DISABLED)) 2361 return -EOPNOTSUPP; 2362 2363 return 0; 2364 } 2365 2366 static void mt7925_channel_switch(struct ieee80211_hw *hw, 2367 struct ieee80211_vif *vif, 2368 struct ieee80211_channel_switch *chsw) 2369 { 2370 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2371 u16 beacon_interval; 2372 2373 if (ieee80211_vif_is_mld(vif)) 2374 return; 2375 2376 beacon_interval = vif->bss_conf.beacon_int; 2377 2378 mvif->csa_timer.expires = TU_TO_EXP_TIME(beacon_interval * chsw->count); 2379 add_timer(&mvif->csa_timer); 2380 } 2381 2382 static void mt7925_abort_channel_switch(struct ieee80211_hw *hw, 2383 struct ieee80211_vif *vif, 2384 struct ieee80211_bss_conf *link_conf) 2385 { 2386 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2387 2388 timer_delete_sync(&mvif->csa_timer); 2389 cancel_work_sync(&mvif->csa_work); 2390 } 2391 2392 static void mt7925_channel_switch_rx_beacon(struct ieee80211_hw *hw, 2393 struct ieee80211_vif *vif, 2394 struct ieee80211_channel_switch *chsw) 2395 { 2396 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2397 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2398 u16 beacon_interval; 2399 2400 if (ieee80211_vif_is_mld(vif)) 2401 return; 2402 2403 beacon_interval = vif->bss_conf.beacon_int; 2404 2405 if (cfg80211_chandef_identical(&chsw->chandef, 2406 &dev->new_ctx->def) && 2407 chsw->count) { 2408 mod_timer(&mvif->csa_timer, 2409 TU_TO_EXP_TIME(beacon_interval * chsw->count)); 2410 } 2411 } 2412 2413 const struct ieee80211_ops mt7925_ops = { 2414 .tx = mt792x_tx, 2415 .start = mt7925_start, 2416 .stop = mt792x_stop, 2417 .add_interface = mt7925_add_interface, 2418 .remove_interface = mt792x_remove_interface, 2419 .config = mt7925_config, 2420 .conf_tx = mt7925_conf_tx, 2421 .configure_filter = mt7925_configure_filter, 2422 .start_ap = mt7925_start_ap, 2423 .stop_ap = mt7925_stop_ap, 2424 .sta_state = mt76_sta_state, 2425 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2426 .set_key = mt7925_set_key, 2427 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2428 #if IS_ENABLED(CONFIG_IPV6) 2429 .ipv6_addr_change = mt7925_ipv6_addr_change, 2430 #endif /* CONFIG_IPV6 */ 2431 .ampdu_action = mt7925_ampdu_action, 2432 .set_rts_threshold = mt7925_set_rts_threshold, 2433 .wake_tx_queue = mt76_wake_tx_queue, 2434 .release_buffered_frames = mt76_release_buffered_frames, 2435 .channel_switch_beacon = mt7925_channel_switch_beacon, 2436 .get_txpower = mt76_get_txpower, 2437 .get_stats = mt792x_get_stats, 2438 .get_et_sset_count = mt792x_get_et_sset_count, 2439 .get_et_strings = mt792x_get_et_strings, 2440 .get_et_stats = mt792x_get_et_stats, 2441 .get_tsf = mt792x_get_tsf, 2442 .set_tsf = mt792x_set_tsf, 2443 .get_survey = mt76_get_survey, 2444 .get_antenna = mt76_get_antenna, 2445 .set_antenna = mt7925_set_antenna, 2446 .set_coverage_class = mt792x_set_coverage_class, 2447 .hw_scan = mt7925_hw_scan, 2448 .cancel_hw_scan = mt7925_cancel_hw_scan, 2449 .sta_statistics = mt792x_sta_statistics, 2450 .sched_scan_start = mt7925_start_sched_scan, 2451 .sched_scan_stop = mt7925_stop_sched_scan, 2452 CFG80211_TESTMODE_CMD(mt7925_testmode_cmd) 2453 CFG80211_TESTMODE_DUMP(mt7925_testmode_dump) 2454 #ifdef CONFIG_PM 2455 .suspend = mt7925_suspend, 2456 .resume = mt7925_resume, 2457 .set_wakeup = mt792x_set_wakeup, 2458 .set_rekey_data = mt7925_set_rekey_data, 2459 #endif /* CONFIG_PM */ 2460 .flush = mt792x_flush, 2461 .set_sar_specs = mt7925_set_sar_specs, 2462 .remain_on_channel = mt7925_remain_on_channel, 2463 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2464 .add_chanctx = mt7925_add_chanctx, 2465 .remove_chanctx = mt7925_remove_chanctx, 2466 .change_chanctx = mt7925_change_chanctx, 2467 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2468 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2469 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2470 .mgd_complete_tx = mt7925_mgd_complete_tx, 2471 .vif_cfg_changed = mt7925_vif_cfg_changed, 2472 .link_info_changed = mt7925_link_info_changed, 2473 .change_vif_links = mt7925_change_vif_links, 2474 .change_sta_links = mt7925_change_sta_links, 2475 .rfkill_poll = mt7925_rfkill_poll, 2476 2477 .switch_vif_chanctx = mt7925_switch_vif_chanctx, 2478 .pre_channel_switch = mt7925_pre_channel_switch, 2479 .channel_switch = mt7925_channel_switch, 2480 .abort_channel_switch = mt7925_abort_channel_switch, 2481 .channel_switch_rx_beacon = mt7925_channel_switch_rx_beacon, 2482 }; 2483 EXPORT_SYMBOL_GPL(mt7925_ops); 2484 2485 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2486 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2487 MODULE_LICENSE("Dual BSD/GPL"); 2488