1 // SPDX-License-Identifier: ISC 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 "mcu.h" 12 #include "mac.h" 13 14 static void 15 mt7925_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 else 29 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 else 43 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 else 82 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 } 154 155 static void 156 mt7925_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 } 238 239 int 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 } 267 268 static void 269 __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 } 294 295 void 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 } 309 310 int __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 } 335 EXPORT_SYMBOL_GPL(__mt7925_start); 336 337 static 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 } 348 349 static 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 = ieee80211_vif_is_mld(vif) ? 369 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 370 371 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 372 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 373 else 374 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 375 376 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx); 377 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx); 378 379 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx; 380 381 mlink->wcid.idx = idx; 382 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 383 mt76_wcid_init(&mlink->wcid, 0); 384 385 mt7925_mac_wtbl_update(dev, idx, 386 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 387 388 ewma_rssi_init(&mconf->rssi); 389 390 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 391 392 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76, 393 &mlink->wcid, true); 394 if (ret) 395 goto out; 396 397 if (vif->txq) { 398 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 399 mtxq->wcid = idx; 400 } 401 402 out: 403 return ret; 404 } 405 406 static int 407 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 408 { 409 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 410 struct mt792x_dev *dev = mt792x_hw_dev(hw); 411 struct mt792x_phy *phy = mt792x_hw_phy(hw); 412 int ret = 0; 413 414 mt792x_mutex_acquire(dev); 415 416 mvif->phy = phy; 417 mvif->bss_conf.vif = mvif; 418 mvif->sta.vif = mvif; 419 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED; 420 421 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink); 422 if (ret < 0) 423 goto out; 424 425 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 426 out: 427 mt792x_mutex_release(dev); 428 429 return ret; 430 } 431 432 static void mt7925_roc_iter(void *priv, u8 *mac, 433 struct ieee80211_vif *vif) 434 { 435 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 436 struct mt792x_phy *phy = priv; 437 438 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id); 439 } 440 441 void mt7925_roc_abort_sync(struct mt792x_dev *dev) 442 { 443 struct mt792x_phy *phy = &dev->phy; 444 445 del_timer_sync(&phy->roc_timer); 446 cancel_work_sync(&phy->roc_work); 447 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 448 ieee80211_iterate_interfaces(mt76_hw(dev), 449 IEEE80211_IFACE_ITER_RESUME_ALL, 450 mt7925_roc_iter, (void *)phy); 451 } 452 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync); 453 454 void mt7925_roc_work(struct work_struct *work) 455 { 456 struct mt792x_phy *phy; 457 458 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 459 roc_work); 460 461 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 462 return; 463 464 mt792x_mutex_acquire(phy->dev); 465 ieee80211_iterate_active_interfaces(phy->mt76->hw, 466 IEEE80211_IFACE_ITER_RESUME_ALL, 467 mt7925_roc_iter, phy); 468 mt792x_mutex_release(phy->dev); 469 ieee80211_remain_on_channel_expired(phy->mt76->hw); 470 } 471 472 static int mt7925_abort_roc(struct mt792x_phy *phy, 473 struct mt792x_bss_conf *mconf) 474 { 475 int err = 0; 476 477 del_timer_sync(&phy->roc_timer); 478 cancel_work_sync(&phy->roc_work); 479 480 mt792x_mutex_acquire(phy->dev); 481 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 482 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 483 mt792x_mutex_release(phy->dev); 484 485 return err; 486 } 487 488 static int mt7925_set_roc(struct mt792x_phy *phy, 489 struct mt792x_bss_conf *mconf, 490 struct ieee80211_channel *chan, 491 int duration, 492 enum mt7925_roc_req type) 493 { 494 int err; 495 496 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 497 return -EBUSY; 498 499 phy->roc_grant = false; 500 501 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type, 502 ++phy->roc_token_id); 503 if (err < 0) { 504 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 505 goto out; 506 } 507 508 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 509 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 510 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 511 err = -ETIMEDOUT; 512 } 513 514 out: 515 return err; 516 } 517 518 static int mt7925_set_mlo_roc(struct mt792x_phy *phy, 519 struct mt792x_bss_conf *mconf, 520 u16 sel_links) 521 { 522 int err; 523 524 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))) 525 return -EBUSY; 526 527 phy->roc_grant = false; 528 529 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id); 530 if (err < 0) { 531 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 532 goto out; 533 } 534 535 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 536 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 537 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 538 err = -ETIMEDOUT; 539 } 540 541 out: 542 return err; 543 } 544 545 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 546 struct ieee80211_vif *vif, 547 struct ieee80211_channel *chan, 548 int duration, 549 enum ieee80211_roc_type type) 550 { 551 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 552 struct mt792x_phy *phy = mt792x_hw_phy(hw); 553 int err; 554 555 mt792x_mutex_acquire(phy->dev); 556 err = mt7925_set_roc(phy, &mvif->bss_conf, 557 chan, duration, MT7925_ROC_REQ_ROC); 558 mt792x_mutex_release(phy->dev); 559 560 return err; 561 } 562 563 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 564 struct ieee80211_vif *vif) 565 { 566 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 567 struct mt792x_phy *phy = mt792x_hw_phy(hw); 568 569 return mt7925_abort_roc(phy, &mvif->bss_conf); 570 } 571 572 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 573 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 574 struct ieee80211_key_conf *key, int link_id) 575 { 576 struct mt792x_dev *dev = mt792x_hw_dev(hw); 577 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 578 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 579 &mvif->sta; 580 struct ieee80211_bss_conf *link_conf; 581 struct ieee80211_link_sta *link_sta; 582 int idx = key->keyidx, err = 0; 583 struct mt792x_link_sta *mlink; 584 struct mt792x_bss_conf *mconf; 585 struct mt76_wcid *wcid; 586 u8 *wcid_keyidx; 587 588 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 589 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; 590 mconf = mt792x_vif_to_link(mvif, link_id); 591 mlink = mt792x_sta_to_link(msta, link_id); 592 wcid = &mlink->wcid; 593 wcid_keyidx = &wcid->hw_key_idx; 594 595 /* fall back to sw encryption for unsupported ciphers */ 596 switch (key->cipher) { 597 case WLAN_CIPHER_SUITE_AES_CMAC: 598 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 599 wcid_keyidx = &wcid->hw_key_idx2; 600 break; 601 case WLAN_CIPHER_SUITE_WEP40: 602 case WLAN_CIPHER_SUITE_WEP104: 603 if (!mvif->wep_sta) 604 return -EOPNOTSUPP; 605 break; 606 case WLAN_CIPHER_SUITE_TKIP: 607 case WLAN_CIPHER_SUITE_CCMP: 608 case WLAN_CIPHER_SUITE_CCMP_256: 609 case WLAN_CIPHER_SUITE_GCMP: 610 case WLAN_CIPHER_SUITE_GCMP_256: 611 case WLAN_CIPHER_SUITE_SMS4: 612 break; 613 default: 614 return -EOPNOTSUPP; 615 } 616 617 if (cmd == SET_KEY && !mconf->mt76.cipher) { 618 struct mt792x_phy *phy = mt792x_hw_phy(hw); 619 620 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 621 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf, 622 link_sta, true); 623 } 624 625 if (cmd == SET_KEY) 626 *wcid_keyidx = idx; 627 else if (idx == *wcid_keyidx) 628 *wcid_keyidx = -1; 629 else 630 goto out; 631 632 mt76_wcid_key_setup(&dev->mt76, wcid, 633 cmd == SET_KEY ? key : NULL); 634 635 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, 636 key, MCU_UNI_CMD(STA_REC_UPDATE), 637 &mlink->wcid, cmd, msta); 638 639 if (err) 640 goto out; 641 642 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 643 key->cipher == WLAN_CIPHER_SUITE_WEP40) 644 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, 645 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 646 &mvif->wep_sta->deflink.wcid, cmd, msta); 647 out: 648 return err; 649 } 650 651 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 652 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 653 struct ieee80211_key_conf *key) 654 { 655 struct mt792x_dev *dev = mt792x_hw_dev(hw); 656 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 657 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 658 &mvif->sta; 659 int err; 660 661 /* The hardware does not support per-STA RX GTK, fallback 662 * to software mode for these. 663 */ 664 if ((vif->type == NL80211_IFTYPE_ADHOC || 665 vif->type == NL80211_IFTYPE_MESH_POINT) && 666 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 667 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 668 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 669 return -EOPNOTSUPP; 670 671 mt792x_mutex_acquire(dev); 672 673 if (ieee80211_vif_is_mld(vif)) { 674 unsigned int link_id; 675 unsigned long add; 676 677 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links; 678 679 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 680 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id); 681 if (err < 0) 682 break; 683 } 684 } else { 685 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id); 686 } 687 688 mt792x_mutex_release(dev); 689 690 return err; 691 } 692 693 static void 694 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 695 { 696 struct mt792x_dev *dev = priv; 697 struct ieee80211_hw *hw = mt76_hw(dev); 698 bool pm_enable = dev->pm.enable; 699 int err; 700 701 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 702 if (err < 0) 703 return; 704 705 if (pm_enable) { 706 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 707 ieee80211_hw_set(hw, CONNECTION_MONITOR); 708 } else { 709 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 710 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 711 } 712 } 713 714 static void 715 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 716 { 717 struct mt792x_dev *dev = priv; 718 struct ieee80211_hw *hw = mt76_hw(dev); 719 struct mt76_connac_pm *pm = &dev->pm; 720 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 721 722 mt7925_mcu_set_sniffer(dev, vif, monitor); 723 pm->enable = pm->enable_user && !monitor; 724 pm->ds_enable = pm->ds_enable_user && !monitor; 725 726 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 727 728 if (monitor) 729 mt7925_mcu_set_beacon_filter(dev, vif, false); 730 } 731 732 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 733 { 734 struct ieee80211_hw *hw = mt76_hw(dev); 735 struct mt76_connac_pm *pm = &dev->pm; 736 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 737 738 pm->enable = pm->enable_user && !monitor; 739 ieee80211_iterate_active_interfaces(hw, 740 IEEE80211_IFACE_ITER_RESUME_ALL, 741 mt7925_pm_interface_iter, dev); 742 pm->ds_enable = pm->ds_enable_user && !monitor; 743 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 744 } 745 746 static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 747 { 748 struct mt792x_dev *dev = mt792x_hw_dev(hw); 749 int ret = 0; 750 751 mt792x_mutex_acquire(dev); 752 753 if (changed & IEEE80211_CONF_CHANGE_POWER) { 754 ret = mt7925_set_tx_sar_pwr(hw, NULL); 755 if (ret) 756 goto out; 757 } 758 759 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 760 ieee80211_iterate_active_interfaces(hw, 761 IEEE80211_IFACE_ITER_RESUME_ALL, 762 mt7925_sniffer_interface_iter, dev); 763 } 764 765 out: 766 mt792x_mutex_release(dev); 767 768 return ret; 769 } 770 771 static void mt7925_configure_filter(struct ieee80211_hw *hw, 772 unsigned int changed_flags, 773 unsigned int *total_flags, 774 u64 multicast) 775 { 776 #define MT7925_FILTER_FCSFAIL BIT(2) 777 #define MT7925_FILTER_CONTROL BIT(5) 778 #define MT7925_FILTER_OTHER_BSS BIT(6) 779 #define MT7925_FILTER_ENABLE BIT(31) 780 struct mt792x_dev *dev = mt792x_hw_dev(hw); 781 u32 flags = MT7925_FILTER_ENABLE; 782 783 #define MT7925_FILTER(_fif, _type) do { \ 784 if (*total_flags & (_fif)) \ 785 flags |= MT7925_FILTER_##_type; \ 786 } while (0) 787 788 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 789 MT7925_FILTER(FIF_CONTROL, CONTROL); 790 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 791 792 mt792x_mutex_acquire(dev); 793 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 794 mt792x_mutex_release(dev); 795 796 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 797 } 798 799 static u8 800 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 801 bool beacon, bool mcast) 802 { 803 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; 804 struct mt76_phy *mphy = hw->priv; 805 u16 rate; 806 u8 i, idx, ht; 807 808 rate = mt76_connac2_mac_tx_rate_val(mphy, &vif->bss_conf, beacon, mcast); 809 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 810 811 if (beacon && ht) { 812 struct mt792x_dev *dev = mt792x_hw_dev(hw); 813 814 /* must odd index */ 815 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 816 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 817 return idx; 818 } 819 820 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 821 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 822 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 823 return MT792x_BASIC_RATES_TBL + i; 824 825 return mvif->basic_rates_idx; 826 } 827 828 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, 829 struct ieee80211_vif *vif, 830 struct ieee80211_link_sta *link_sta) 831 { 832 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 833 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 834 struct ieee80211_bss_conf *link_conf; 835 struct mt792x_bss_conf *mconf; 836 u8 link_id = link_sta->link_id; 837 struct mt792x_link_sta *mlink; 838 struct mt792x_sta *msta; 839 struct mt76_wcid *wcid; 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 mt76_wcid_init(&mlink->wcid, 0); 851 mlink->wcid.sta = 1; 852 mlink->wcid.idx = idx; 853 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 854 mlink->last_txs = jiffies; 855 mlink->wcid.link_id = link_sta->link_id; 856 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 857 mlink->sta = msta; 858 859 wcid = &mlink->wcid; 860 ewma_signal_init(&wcid->rssi); 861 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 862 mt76_wcid_init(wcid, 0); 863 ewma_avg_signal_init(&mlink->avg_ack_signal); 864 memset(mlink->airtime_ac, 0, 865 sizeof(msta->deflink.airtime_ac)); 866 867 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 868 if (ret) 869 return ret; 870 871 mt7925_mac_wtbl_update(dev, idx, 872 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 873 874 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 875 876 /* should update bss info before STA add */ 877 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 878 if (ieee80211_vif_is_mld(vif)) 879 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 880 link_conf, link_sta, link_sta != mlink->pri_link); 881 else 882 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 883 link_conf, link_sta, false); 884 } 885 886 if (ieee80211_vif_is_mld(vif) && 887 link_sta == mlink->pri_link) { 888 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 889 MT76_STA_INFO_STATE_NONE); 890 if (ret) 891 return ret; 892 } else if (ieee80211_vif_is_mld(vif) && 893 link_sta != mlink->pri_link) { 894 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 895 true, MT76_STA_INFO_STATE_ASSOC); 896 if (ret) 897 return ret; 898 899 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 900 MT76_STA_INFO_STATE_ASSOC); 901 if (ret) 902 return ret; 903 } else { 904 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 905 MT76_STA_INFO_STATE_NONE); 906 if (ret) 907 return ret; 908 } 909 910 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 911 912 return 0; 913 } 914 915 static int 916 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 917 struct ieee80211_sta *sta, unsigned long new_links) 918 { 919 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 920 unsigned int link_id; 921 int err = 0; 922 923 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 924 struct ieee80211_link_sta *link_sta; 925 struct mt792x_link_sta *mlink; 926 927 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 928 mlink = &msta->deflink; 929 msta->deflink_id = link_id; 930 } else { 931 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); 932 if (!mlink) { 933 err = -ENOMEM; 934 break; 935 } 936 } 937 938 msta->valid_links |= BIT(link_id); 939 rcu_assign_pointer(msta->link[link_id], mlink); 940 mlink->sta = msta; 941 mlink->pri_link = &sta->deflink; 942 mlink->wcid.def_wcid = &msta->deflink.wcid; 943 944 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 945 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); 946 } 947 948 return err; 949 } 950 951 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 952 struct ieee80211_sta *sta) 953 { 954 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 955 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 956 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 957 int err; 958 959 msta->vif = mvif; 960 961 if (vif->type == NL80211_IFTYPE_STATION) 962 mvif->wep_sta = msta; 963 964 if (ieee80211_vif_is_mld(vif)) { 965 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 966 967 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 968 } else { 969 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink); 970 } 971 972 return err; 973 } 974 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 975 976 static u16 977 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 978 { 979 unsigned long usable_links = ieee80211_vif_usable_links(vif); 980 struct { 981 u8 link_id; 982 enum nl80211_band band; 983 } data[IEEE80211_MLD_MAX_NUM_LINKS]; 984 u8 link_id, i, j, n_data = 0; 985 u16 sel_links = 0; 986 987 if (!ieee80211_vif_is_mld(vif)) 988 return 0; 989 990 if (vif->active_links == usable_links) 991 return vif->active_links; 992 993 rcu_read_lock(); 994 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { 995 struct ieee80211_bss_conf *link_conf = 996 rcu_dereference(vif->link_conf[link_id]); 997 998 if (WARN_ON_ONCE(!link_conf)) 999 continue; 1000 1001 data[n_data].link_id = link_id; 1002 data[n_data].band = link_conf->chanreq.oper.chan->band; 1003 n_data++; 1004 } 1005 rcu_read_unlock(); 1006 1007 for (i = 0; i < n_data; i++) { 1008 if (!(BIT(data[i].link_id) & vif->active_links)) 1009 continue; 1010 1011 sel_links = BIT(data[i].link_id); 1012 1013 for (j = 0; j < n_data; j++) { 1014 if (data[i].band != data[j].band) { 1015 sel_links |= BIT(data[j].link_id); 1016 break; 1017 } 1018 } 1019 1020 break; 1021 } 1022 1023 return sel_links; 1024 } 1025 1026 static void 1027 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1028 { 1029 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1030 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1031 struct ieee80211_bss_conf *link_conf = 1032 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1033 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1034 enum nl80211_band band = chandef->chan->band, secondary_band; 1035 1036 u16 sel_links = mt7925_mac_select_links(mdev, vif); 1037 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1038 1039 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1040 return; 1041 1042 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1043 secondary_band = link_conf->chanreq.oper.chan->band; 1044 1045 if (band == NL80211_BAND_2GHZ || 1046 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1047 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1048 1049 mt792x_mutex_acquire(dev); 1050 1051 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1052 1053 mt792x_mutex_release(dev); 1054 } 1055 1056 ieee80211_set_active_links_async(vif, sel_links); 1057 } 1058 1059 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1060 struct ieee80211_vif *vif, 1061 struct ieee80211_link_sta *link_sta) 1062 { 1063 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1064 struct ieee80211_bss_conf *link_conf; 1065 struct mt792x_link_sta *mlink; 1066 struct mt792x_sta *msta; 1067 1068 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1069 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1070 1071 mt792x_mutex_acquire(dev); 1072 1073 if (ieee80211_vif_is_mld(vif)) { 1074 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1075 } else { 1076 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1077 } 1078 1079 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1080 struct mt792x_bss_conf *mconf; 1081 1082 mconf = mt792x_link_conf_to_mconf(link_conf); 1083 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1084 link_conf, link_sta, true); 1085 } 1086 1087 ewma_avg_signal_init(&mlink->avg_ack_signal); 1088 1089 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1090 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1091 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1092 1093 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 1094 1095 mt792x_mutex_release(dev); 1096 } 1097 1098 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1099 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1100 { 1101 struct ieee80211_link_sta *link_sta = &sta->deflink; 1102 1103 if (ev != MT76_STA_EVENT_ASSOC) 1104 return 0; 1105 1106 if (ieee80211_vif_is_mld(vif)) { 1107 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1108 1109 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1110 mt7925_mac_set_links(mdev, vif); 1111 } 1112 1113 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1114 1115 return 0; 1116 } 1117 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1118 1119 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1120 struct ieee80211_vif *vif, 1121 struct ieee80211_link_sta *link_sta) 1122 { 1123 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1124 struct ieee80211_bss_conf *link_conf; 1125 u8 link_id = link_sta->link_id; 1126 struct mt792x_link_sta *mlink; 1127 struct mt792x_sta *msta; 1128 1129 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1130 mlink = mt792x_sta_to_link(msta, link_id); 1131 1132 mt7925_roc_abort_sync(dev); 1133 1134 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid); 1135 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1136 1137 mt7925_mcu_sta_update(dev, link_sta, vif, false, 1138 MT76_STA_INFO_STATE_NONE); 1139 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1140 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1141 1142 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1143 1144 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1145 struct mt792x_bss_conf *mconf; 1146 1147 mconf = mt792x_link_conf_to_mconf(link_conf); 1148 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1149 } 1150 1151 spin_lock_bh(&mdev->sta_poll_lock); 1152 if (!list_empty(&mlink->wcid.poll_list)) 1153 list_del_init(&mlink->wcid.poll_list); 1154 spin_unlock_bh(&mdev->sta_poll_lock); 1155 1156 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1157 } 1158 1159 static int 1160 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1161 struct ieee80211_sta *sta, unsigned long old_links) 1162 { 1163 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1164 struct mt76_dev *mdev = &dev->mt76; 1165 struct mt76_wcid *wcid; 1166 unsigned int link_id; 1167 1168 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1169 struct ieee80211_link_sta *link_sta; 1170 struct mt792x_link_sta *mlink; 1171 1172 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1173 if (!link_sta) 1174 continue; 1175 1176 mlink = mt792x_sta_to_link(msta, link_id); 1177 if (!mlink) 1178 continue; 1179 1180 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); 1181 1182 wcid = &mlink->wcid; 1183 rcu_assign_pointer(msta->link[link_id], NULL); 1184 msta->valid_links &= ~BIT(link_id); 1185 mlink->sta = NULL; 1186 mlink->pri_link = NULL; 1187 1188 if (link_sta != mlink->pri_link) { 1189 mt76_wcid_cleanup(mdev, wcid); 1190 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 1191 } 1192 1193 if (msta->deflink_id == link_id) 1194 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1195 } 1196 1197 return 0; 1198 } 1199 1200 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1201 struct ieee80211_sta *sta) 1202 { 1203 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1204 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1205 struct { 1206 struct { 1207 u8 omac_idx; 1208 u8 band_idx; 1209 __le16 pad; 1210 } __packed hdr; 1211 struct req_tlv { 1212 __le16 tag; 1213 __le16 len; 1214 u8 active; 1215 u8 link_idx; /* hw link idx */ 1216 u8 omac_addr[ETH_ALEN]; 1217 } __packed tlv; 1218 } dev_req = { 1219 .hdr = { 1220 .omac_idx = 0, 1221 .band_idx = 0, 1222 }, 1223 .tlv = { 1224 .tag = cpu_to_le16(DEV_INFO_ACTIVE), 1225 .len = cpu_to_le16(sizeof(struct req_tlv)), 1226 .active = true, 1227 }, 1228 }; 1229 unsigned long rem; 1230 1231 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1232 1233 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1234 1235 if (ieee80211_vif_is_mld(vif)) { 1236 mt7925_mcu_set_dbdc(&dev->mphy, false); 1237 1238 /* recovery omac address for the legacy interface */ 1239 memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN); 1240 mt76_mcu_send_msg(mdev, MCU_UNI_CMD(DEV_INFO_UPDATE), 1241 &dev_req, sizeof(dev_req), true); 1242 } 1243 1244 if (vif->type == NL80211_IFTYPE_STATION) { 1245 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1246 1247 mvif->wep_sta = NULL; 1248 ewma_rssi_init(&mvif->bss_conf.rssi); 1249 } 1250 } 1251 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1252 1253 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 1254 { 1255 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1256 1257 mt792x_mutex_acquire(dev); 1258 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1259 mt792x_mutex_release(dev); 1260 1261 return 0; 1262 } 1263 1264 static int 1265 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1266 struct ieee80211_ampdu_params *params) 1267 { 1268 enum ieee80211_ampdu_mlme_action action = params->action; 1269 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1270 struct ieee80211_sta *sta = params->sta; 1271 struct ieee80211_txq *txq = sta->txq[params->tid]; 1272 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1273 u16 tid = params->tid; 1274 u16 ssn = params->ssn; 1275 struct mt76_txq *mtxq; 1276 int ret = 0; 1277 1278 if (!txq) 1279 return -EINVAL; 1280 1281 mtxq = (struct mt76_txq *)txq->drv_priv; 1282 1283 mt792x_mutex_acquire(dev); 1284 switch (action) { 1285 case IEEE80211_AMPDU_RX_START: 1286 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1287 params->buf_size); 1288 mt7925_mcu_uni_rx_ba(dev, vif, params, true); 1289 break; 1290 case IEEE80211_AMPDU_RX_STOP: 1291 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1292 mt7925_mcu_uni_rx_ba(dev, vif, params, false); 1293 break; 1294 case IEEE80211_AMPDU_TX_OPERATIONAL: 1295 mtxq->aggr = true; 1296 mtxq->send_bar = false; 1297 mt7925_mcu_uni_tx_ba(dev, vif, params, true); 1298 break; 1299 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1300 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1301 mtxq->aggr = false; 1302 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1303 mt7925_mcu_uni_tx_ba(dev, vif, params, false); 1304 break; 1305 case IEEE80211_AMPDU_TX_START: 1306 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1307 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1308 break; 1309 case IEEE80211_AMPDU_TX_STOP_CONT: 1310 mtxq->aggr = false; 1311 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1312 mt7925_mcu_uni_tx_ba(dev, vif, params, false); 1313 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1314 break; 1315 } 1316 mt792x_mutex_release(dev); 1317 1318 return ret; 1319 } 1320 1321 static bool is_valid_alpha2(const char *alpha2) 1322 { 1323 if (!alpha2) 1324 return false; 1325 1326 if (alpha2[0] == '0' && alpha2[1] == '0') 1327 return true; 1328 1329 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 1330 return true; 1331 1332 return false; 1333 } 1334 1335 void mt7925_scan_work(struct work_struct *work) 1336 { 1337 struct mt792x_phy *phy; 1338 1339 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1340 scan_work.work); 1341 1342 while (true) { 1343 struct mt76_dev *mdev = &phy->dev->mt76; 1344 struct sk_buff *skb; 1345 struct tlv *tlv; 1346 int tlv_len; 1347 1348 spin_lock_bh(&phy->dev->mt76.lock); 1349 skb = __skb_dequeue(&phy->scan_event_list); 1350 spin_unlock_bh(&phy->dev->mt76.lock); 1351 1352 if (!skb) 1353 break; 1354 1355 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1356 tlv = (struct tlv *)skb->data; 1357 tlv_len = skb->len; 1358 1359 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1360 struct mt7925_mcu_scan_chinfo_event *evt; 1361 1362 switch (le16_to_cpu(tlv->tag)) { 1363 case UNI_EVENT_SCAN_DONE_BASIC: 1364 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1365 struct cfg80211_scan_info info = { 1366 .aborted = false, 1367 }; 1368 ieee80211_scan_completed(phy->mt76->hw, &info); 1369 } 1370 break; 1371 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1372 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1373 1374 if (!is_valid_alpha2(evt->alpha2)) 1375 break; 1376 1377 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 1378 break; 1379 1380 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 1381 1382 break; 1383 case UNI_EVENT_SCAN_DONE_NLO: 1384 ieee80211_sched_scan_results(phy->mt76->hw); 1385 break; 1386 default: 1387 break; 1388 } 1389 1390 tlv_len -= le16_to_cpu(tlv->len); 1391 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1392 } 1393 1394 dev_kfree_skb(skb); 1395 } 1396 } 1397 1398 static int 1399 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1400 struct ieee80211_scan_request *req) 1401 { 1402 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1403 struct mt76_phy *mphy = hw->priv; 1404 int err; 1405 1406 mt792x_mutex_acquire(dev); 1407 err = mt7925_mcu_hw_scan(mphy, vif, req); 1408 mt792x_mutex_release(dev); 1409 1410 return err; 1411 } 1412 1413 static void 1414 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1415 { 1416 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1417 struct mt76_phy *mphy = hw->priv; 1418 1419 mt792x_mutex_acquire(dev); 1420 mt7925_mcu_cancel_hw_scan(mphy, vif); 1421 mt792x_mutex_release(dev); 1422 } 1423 1424 static int 1425 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1426 struct cfg80211_sched_scan_request *req, 1427 struct ieee80211_scan_ies *ies) 1428 { 1429 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1430 struct mt76_phy *mphy = hw->priv; 1431 int err; 1432 1433 mt792x_mutex_acquire(dev); 1434 1435 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1436 if (err < 0) 1437 goto out; 1438 1439 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1440 out: 1441 mt792x_mutex_release(dev); 1442 1443 return err; 1444 } 1445 1446 static int 1447 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1448 { 1449 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1450 struct mt76_phy *mphy = hw->priv; 1451 int err; 1452 1453 mt792x_mutex_acquire(dev); 1454 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1455 mt792x_mutex_release(dev); 1456 1457 return err; 1458 } 1459 1460 static int 1461 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1462 { 1463 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1464 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1465 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1466 1467 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1468 return -EINVAL; 1469 1470 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1471 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1472 1473 mt792x_mutex_acquire(dev); 1474 1475 phy->mt76->antenna_mask = tx_ant; 1476 phy->mt76->chainmask = tx_ant; 1477 1478 mt76_set_stream_caps(phy->mt76, true); 1479 mt7925_set_stream_he_eht_caps(phy); 1480 1481 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1482 mt792x_mutex_release(dev); 1483 1484 return 0; 1485 } 1486 1487 #ifdef CONFIG_PM 1488 static int mt7925_suspend(struct ieee80211_hw *hw, 1489 struct cfg80211_wowlan *wowlan) 1490 { 1491 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1492 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1493 1494 cancel_delayed_work_sync(&phy->scan_work); 1495 cancel_delayed_work_sync(&phy->mt76->mac_work); 1496 1497 cancel_delayed_work_sync(&dev->pm.ps_work); 1498 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1499 1500 mt792x_mutex_acquire(dev); 1501 1502 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1503 ieee80211_iterate_active_interfaces(hw, 1504 IEEE80211_IFACE_ITER_RESUME_ALL, 1505 mt7925_mcu_set_suspend_iter, 1506 &dev->mphy); 1507 1508 mt792x_mutex_release(dev); 1509 1510 return 0; 1511 } 1512 1513 static int mt7925_resume(struct ieee80211_hw *hw) 1514 { 1515 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1516 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1517 1518 mt792x_mutex_acquire(dev); 1519 1520 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1521 ieee80211_iterate_active_interfaces(hw, 1522 IEEE80211_IFACE_ITER_RESUME_ALL, 1523 mt7925_mcu_set_suspend_iter, 1524 &dev->mphy); 1525 1526 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1527 MT792x_WATCHDOG_TIME); 1528 1529 mt792x_mutex_release(dev); 1530 1531 return 0; 1532 } 1533 1534 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1535 struct ieee80211_vif *vif, 1536 struct cfg80211_gtk_rekey_data *data) 1537 { 1538 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1539 1540 mt792x_mutex_acquire(dev); 1541 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1542 mt792x_mutex_release(dev); 1543 } 1544 #endif /* CONFIG_PM */ 1545 1546 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1547 struct ieee80211_vif *vif, 1548 struct ieee80211_sta *sta, 1549 bool enabled) 1550 { 1551 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1552 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1553 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1554 unsigned long valid = mvif->valid_links; 1555 u8 i; 1556 1557 mt792x_mutex_acquire(dev); 1558 1559 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1560 1561 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1562 struct mt792x_link_sta *mlink; 1563 1564 mlink = mt792x_sta_to_link(msta, i); 1565 1566 if (enabled) 1567 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1568 else 1569 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1570 1571 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i); 1572 } 1573 1574 mt792x_mutex_release(dev); 1575 } 1576 1577 #if IS_ENABLED(CONFIG_IPV6) 1578 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1579 struct ieee80211_bss_conf *link_conf, 1580 struct inet6_dev *idev) 1581 { 1582 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1583 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1584 struct inet6_ifaddr *ifa; 1585 struct sk_buff *skb; 1586 u8 idx = 0; 1587 1588 struct { 1589 struct { 1590 u8 bss_idx; 1591 u8 pad[3]; 1592 } __packed hdr; 1593 struct mt7925_arpns_tlv arpns; 1594 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1595 } req_hdr = { 1596 .hdr = { 1597 .bss_idx = mconf->mt76.idx, 1598 }, 1599 .arpns = { 1600 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1601 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1602 .enable = true, 1603 }, 1604 }; 1605 1606 read_lock_bh(&idev->lock); 1607 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1608 if (ifa->flags & IFA_F_TENTATIVE) 1609 continue; 1610 req_hdr.ns_addrs[idx] = ifa->addr; 1611 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1612 break; 1613 } 1614 read_unlock_bh(&idev->lock); 1615 1616 if (!idx) 1617 return; 1618 1619 req_hdr.arpns.ips_num = idx; 1620 1621 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1622 0, GFP_ATOMIC); 1623 if (!skb) 1624 return; 1625 1626 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1627 1628 skb_queue_tail(&dev->ipv6_ns_list, skb); 1629 1630 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1631 } 1632 1633 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1634 struct ieee80211_vif *vif, 1635 struct inet6_dev *idev) 1636 { 1637 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1638 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1639 mvif->valid_links : BIT(0); 1640 struct ieee80211_bss_conf *bss_conf; 1641 int i; 1642 1643 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1644 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1645 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1646 } 1647 } 1648 1649 #endif 1650 1651 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1652 const struct cfg80211_sar_specs *sar) 1653 { 1654 struct mt76_phy *mphy = hw->priv; 1655 1656 if (sar) { 1657 int err = mt76_init_sar_power(hw, sar); 1658 1659 if (err) 1660 return err; 1661 } 1662 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1663 1664 return mt7925_mcu_set_rate_txpower(mphy); 1665 } 1666 1667 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1668 const struct cfg80211_sar_specs *sar) 1669 { 1670 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1671 int err; 1672 1673 mt792x_mutex_acquire(dev); 1674 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1675 dev->country_ie_env); 1676 if (err < 0) 1677 goto out; 1678 1679 err = mt7925_set_tx_sar_pwr(hw, sar); 1680 out: 1681 mt792x_mutex_release(dev); 1682 1683 return err; 1684 } 1685 1686 static void 1687 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1688 struct ieee80211_vif *vif, 1689 struct cfg80211_chan_def *chandef) 1690 { 1691 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1692 1693 mt792x_mutex_acquire(dev); 1694 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1695 mt792x_mutex_release(dev); 1696 } 1697 1698 static int 1699 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1700 unsigned int link_id, u16 queue, 1701 const struct ieee80211_tx_queue_params *params) 1702 { 1703 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1704 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1705 static const u8 mq_to_aci[] = { 1706 [IEEE80211_AC_VO] = 3, 1707 [IEEE80211_AC_VI] = 2, 1708 [IEEE80211_AC_BE] = 0, 1709 [IEEE80211_AC_BK] = 1, 1710 }; 1711 1712 /* firmware uses access class index */ 1713 mconf->queue_params[mq_to_aci[queue]] = *params; 1714 1715 return 0; 1716 } 1717 1718 static int 1719 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1720 struct ieee80211_bss_conf *link_conf) 1721 { 1722 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1723 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1724 int err; 1725 1726 mt792x_mutex_acquire(dev); 1727 1728 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1729 link_conf, NULL, true); 1730 if (err) 1731 goto out; 1732 1733 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1734 if (err) 1735 goto out; 1736 1737 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1738 MT76_STA_INFO_STATE_NONE); 1739 out: 1740 mt792x_mutex_release(dev); 1741 1742 return err; 1743 } 1744 1745 static void 1746 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1747 struct ieee80211_bss_conf *link_conf) 1748 { 1749 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1750 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1751 int err; 1752 1753 mt792x_mutex_acquire(dev); 1754 1755 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1756 if (err) 1757 goto out; 1758 1759 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1760 NULL, false); 1761 1762 out: 1763 mt792x_mutex_release(dev); 1764 } 1765 1766 static int 1767 mt7925_add_chanctx(struct ieee80211_hw *hw, 1768 struct ieee80211_chanctx_conf *ctx) 1769 { 1770 return 0; 1771 } 1772 1773 static void 1774 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1775 struct ieee80211_chanctx_conf *ctx) 1776 { 1777 } 1778 1779 static void 1780 mt7925_change_chanctx(struct ieee80211_hw *hw, 1781 struct ieee80211_chanctx_conf *ctx, 1782 u32 changed) 1783 { 1784 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1785 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1786 struct mt792x_bss_conf *mconf; 1787 struct ieee80211_vif *vif; 1788 struct mt792x_vif *mvif; 1789 1790 if (!mctx->bss_conf) 1791 return; 1792 1793 mconf = mctx->bss_conf; 1794 mvif = mconf->vif; 1795 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1796 1797 mt792x_mutex_acquire(phy->dev); 1798 if (vif->type == NL80211_IFTYPE_MONITOR) { 1799 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1800 mt7925_mcu_config_sniffer(mvif, ctx); 1801 } else { 1802 if (ieee80211_vif_is_mld(vif)) { 1803 unsigned long valid = mvif->valid_links; 1804 u8 i; 1805 1806 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1807 mconf = mt792x_vif_to_link(mvif, i); 1808 if (mconf && mconf->mt76.ctx == ctx) 1809 break; 1810 } 1811 1812 } else { 1813 mconf = &mvif->bss_conf; 1814 } 1815 1816 if (mconf) { 1817 struct ieee80211_bss_conf *link_conf; 1818 1819 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1820 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1821 link_conf, ctx); 1822 } 1823 } 1824 1825 mt792x_mutex_release(phy->dev); 1826 } 1827 1828 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1829 struct ieee80211_vif *vif, 1830 struct ieee80211_prep_tx_info *info) 1831 { 1832 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1833 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1834 u16 duration = info->duration ? info->duration : 1835 jiffies_to_msecs(HZ); 1836 1837 mt792x_mutex_acquire(dev); 1838 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1839 mvif->bss_conf.mt76.ctx->def.chan, duration, 1840 MT7925_ROC_REQ_JOIN); 1841 mt792x_mutex_release(dev); 1842 } 1843 1844 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1845 struct ieee80211_vif *vif, 1846 struct ieee80211_prep_tx_info *info) 1847 { 1848 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1849 1850 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1851 } 1852 1853 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1854 struct ieee80211_vif *vif, 1855 u64 changed) 1856 { 1857 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1858 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1859 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1860 mvif->valid_links : BIT(0); 1861 struct ieee80211_bss_conf *bss_conf; 1862 int i; 1863 1864 mt792x_mutex_acquire(dev); 1865 1866 if (changed & BSS_CHANGED_ASSOC) { 1867 mt7925_mcu_sta_update(dev, NULL, vif, true, 1868 MT76_STA_INFO_STATE_ASSOC); 1869 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1870 } 1871 1872 if (changed & BSS_CHANGED_ARP_FILTER) { 1873 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1874 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1875 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 1876 } 1877 } 1878 1879 if (changed & BSS_CHANGED_PS) { 1880 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1881 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1882 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1883 } 1884 } 1885 1886 mt792x_mutex_release(dev); 1887 } 1888 1889 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 1890 struct ieee80211_vif *vif, 1891 struct ieee80211_bss_conf *info, 1892 u64 changed) 1893 { 1894 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1895 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1896 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1897 struct mt792x_bss_conf *mconf; 1898 1899 mconf = mt792x_vif_to_link(mvif, info->link_id); 1900 1901 mt792x_mutex_acquire(dev); 1902 1903 if (changed & BSS_CHANGED_ERP_SLOT) { 1904 int slottime = info->use_short_slot ? 9 : 20; 1905 1906 if (slottime != phy->slottime) { 1907 phy->slottime = slottime; 1908 mt7925_mcu_set_timing(phy, info); 1909 } 1910 } 1911 1912 if (changed & BSS_CHANGED_MCAST_RATE) 1913 mconf->mt76.mcast_rates_idx = 1914 mt7925_get_rates_table(hw, vif, false, true); 1915 1916 if (changed & BSS_CHANGED_BASIC_RATES) 1917 mconf->mt76.basic_rates_idx = 1918 mt7925_get_rates_table(hw, vif, false, false); 1919 1920 if (changed & (BSS_CHANGED_BEACON | 1921 BSS_CHANGED_BEACON_ENABLED)) { 1922 mconf->mt76.beacon_rates_idx = 1923 mt7925_get_rates_table(hw, vif, true, false); 1924 1925 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 1926 info->enable_beacon); 1927 } 1928 1929 /* ensure that enable txcmd_mode after bss_info */ 1930 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 1931 mt7925_mcu_set_tx(dev, info); 1932 1933 if (changed & BSS_CHANGED_BSSID) { 1934 if (ieee80211_vif_is_mld(vif) && 1935 hweight16(mvif->valid_links) == 2) 1936 /* Indicate the secondary setup done */ 1937 mt7925_mcu_uni_bss_bcnft(dev, info, true); 1938 } 1939 1940 mt792x_mutex_release(dev); 1941 } 1942 1943 static int 1944 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1945 u16 old_links, u16 new_links, 1946 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 1947 { 1948 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 1949 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 1950 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1951 unsigned long add = new_links & ~old_links; 1952 unsigned long rem = old_links & ~new_links; 1953 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1954 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1955 struct ieee80211_bss_conf *link_conf; 1956 unsigned int link_id; 1957 int err; 1958 1959 if (old_links == new_links) 1960 return 0; 1961 1962 mt792x_mutex_acquire(dev); 1963 1964 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 1965 mconf = mt792x_vif_to_link(mvif, link_id); 1966 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 1967 1968 if (!mconf || !mlink) 1969 continue; 1970 1971 if (mconf != &mvif->bss_conf) { 1972 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1973 devm_kfree(dev->mt76.dev, mconf); 1974 devm_kfree(dev->mt76.dev, mlink); 1975 } 1976 1977 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1978 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1979 } 1980 1981 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1982 if (!old_links) { 1983 mvif->deflink_id = link_id; 1984 mconf = &mvif->bss_conf; 1985 mlink = &mvif->sta.deflink; 1986 } else { 1987 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 1988 GFP_KERNEL); 1989 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 1990 GFP_KERNEL); 1991 if (!mconf || !mlink) 1992 return -ENOMEM; 1993 } 1994 1995 mconfs[link_id] = mconf; 1996 mlinks[link_id] = mlink; 1997 mconf->link_id = link_id; 1998 mconf->vif = mvif; 1999 mlink->wcid.link_id = link_id; 2000 mlink->wcid.link_valid = !!vif->valid_links; 2001 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 2002 } 2003 2004 if (hweight16(mvif->valid_links) == 0) 2005 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 2006 &mvif->sta.deflink); 2007 2008 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2009 mconf = mconfs[link_id]; 2010 mlink = mlinks[link_id]; 2011 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 2012 2013 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 2014 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 2015 2016 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 2017 if (err < 0) 2018 goto free; 2019 2020 if (mconf != &mvif->bss_conf) { 2021 mt7925_mcu_set_bss_pm(dev, link_conf, true); 2022 2023 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 2024 vif->active_links); 2025 if (err < 0) 2026 goto free; 2027 } 2028 } 2029 2030 mvif->valid_links = new_links; 2031 2032 mt792x_mutex_release(dev); 2033 2034 return 0; 2035 2036 free: 2037 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2038 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2039 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2040 2041 if (mconf != &mvif->bss_conf) 2042 devm_kfree(dev->mt76.dev, mconfs[link_id]); 2043 if (mlink != &mvif->sta.deflink) 2044 devm_kfree(dev->mt76.dev, mlinks[link_id]); 2045 } 2046 2047 mt792x_mutex_release(dev); 2048 2049 return err; 2050 } 2051 2052 static int 2053 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2054 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2055 { 2056 unsigned long add = new_links & ~old_links; 2057 unsigned long rem = old_links & ~new_links; 2058 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2059 int err = 0; 2060 2061 if (old_links == new_links) 2062 return 0; 2063 2064 mt792x_mutex_acquire(dev); 2065 2066 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2067 if (err < 0) 2068 goto out; 2069 2070 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2071 if (err < 0) 2072 goto out; 2073 2074 out: 2075 mt792x_mutex_release(dev); 2076 2077 return err; 2078 } 2079 2080 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2081 struct ieee80211_vif *vif, 2082 struct ieee80211_bss_conf *link_conf, 2083 struct ieee80211_chanctx_conf *ctx) 2084 { 2085 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2086 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2087 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2088 struct ieee80211_bss_conf *pri_link_conf; 2089 struct mt792x_bss_conf *mconf; 2090 2091 mutex_lock(&dev->mt76.mutex); 2092 2093 if (ieee80211_vif_is_mld(vif)) { 2094 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2095 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2096 2097 if (vif->type == NL80211_IFTYPE_STATION && 2098 mconf == &mvif->bss_conf) 2099 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2100 NULL, true); 2101 } else { 2102 mconf = &mvif->bss_conf; 2103 } 2104 2105 mconf->mt76.ctx = ctx; 2106 mctx->bss_conf = mconf; 2107 mutex_unlock(&dev->mt76.mutex); 2108 2109 return 0; 2110 } 2111 2112 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2113 struct ieee80211_vif *vif, 2114 struct ieee80211_bss_conf *link_conf, 2115 struct ieee80211_chanctx_conf *ctx) 2116 { 2117 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2118 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2119 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2120 struct mt792x_bss_conf *mconf; 2121 2122 mutex_lock(&dev->mt76.mutex); 2123 2124 if (ieee80211_vif_is_mld(vif)) { 2125 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2126 2127 if (vif->type == NL80211_IFTYPE_STATION && 2128 mconf == &mvif->bss_conf) 2129 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf, 2130 NULL, false); 2131 } else { 2132 mconf = &mvif->bss_conf; 2133 } 2134 2135 mctx->bss_conf = NULL; 2136 mconf->mt76.ctx = NULL; 2137 mutex_unlock(&dev->mt76.mutex); 2138 } 2139 2140 const struct ieee80211_ops mt7925_ops = { 2141 .tx = mt792x_tx, 2142 .start = mt7925_start, 2143 .stop = mt792x_stop, 2144 .add_interface = mt7925_add_interface, 2145 .remove_interface = mt792x_remove_interface, 2146 .config = mt7925_config, 2147 .conf_tx = mt7925_conf_tx, 2148 .configure_filter = mt7925_configure_filter, 2149 .start_ap = mt7925_start_ap, 2150 .stop_ap = mt7925_stop_ap, 2151 .sta_state = mt76_sta_state, 2152 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2153 .set_key = mt7925_set_key, 2154 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2155 #if IS_ENABLED(CONFIG_IPV6) 2156 .ipv6_addr_change = mt7925_ipv6_addr_change, 2157 #endif /* CONFIG_IPV6 */ 2158 .ampdu_action = mt7925_ampdu_action, 2159 .set_rts_threshold = mt7925_set_rts_threshold, 2160 .wake_tx_queue = mt76_wake_tx_queue, 2161 .release_buffered_frames = mt76_release_buffered_frames, 2162 .channel_switch_beacon = mt7925_channel_switch_beacon, 2163 .get_txpower = mt76_get_txpower, 2164 .get_stats = mt792x_get_stats, 2165 .get_et_sset_count = mt792x_get_et_sset_count, 2166 .get_et_strings = mt792x_get_et_strings, 2167 .get_et_stats = mt792x_get_et_stats, 2168 .get_tsf = mt792x_get_tsf, 2169 .set_tsf = mt792x_set_tsf, 2170 .get_survey = mt76_get_survey, 2171 .get_antenna = mt76_get_antenna, 2172 .set_antenna = mt7925_set_antenna, 2173 .set_coverage_class = mt792x_set_coverage_class, 2174 .hw_scan = mt7925_hw_scan, 2175 .cancel_hw_scan = mt7925_cancel_hw_scan, 2176 .sta_statistics = mt792x_sta_statistics, 2177 .sched_scan_start = mt7925_start_sched_scan, 2178 .sched_scan_stop = mt7925_stop_sched_scan, 2179 #ifdef CONFIG_PM 2180 .suspend = mt7925_suspend, 2181 .resume = mt7925_resume, 2182 .set_wakeup = mt792x_set_wakeup, 2183 .set_rekey_data = mt7925_set_rekey_data, 2184 #endif /* CONFIG_PM */ 2185 .flush = mt792x_flush, 2186 .set_sar_specs = mt7925_set_sar_specs, 2187 .remain_on_channel = mt7925_remain_on_channel, 2188 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2189 .add_chanctx = mt7925_add_chanctx, 2190 .remove_chanctx = mt7925_remove_chanctx, 2191 .change_chanctx = mt7925_change_chanctx, 2192 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2193 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2194 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2195 .mgd_complete_tx = mt7925_mgd_complete_tx, 2196 .vif_cfg_changed = mt7925_vif_cfg_changed, 2197 .link_info_changed = mt7925_link_info_changed, 2198 .change_vif_links = mt7925_change_vif_links, 2199 .change_sta_links = mt7925_change_sta_links, 2200 }; 2201 EXPORT_SYMBOL_GPL(mt7925_ops); 2202 2203 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2204 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2205 MODULE_LICENSE("Dual BSD/GPL"); 2206