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 = mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 369 370 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 371 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 372 else 373 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 374 375 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76, 376 &mlink->wcid, true); 377 if (ret) 378 goto out; 379 380 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx); 381 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx); 382 383 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx; 384 385 INIT_LIST_HEAD(&mlink->wcid.poll_list); 386 mlink->wcid.idx = idx; 387 mlink->wcid.phy_idx = 0; 388 mlink->wcid.hw_key_idx = -1; 389 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 390 mt76_wcid_init(&mlink->wcid); 391 392 mt7925_mac_wtbl_update(dev, idx, 393 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 394 395 ewma_rssi_init(&mconf->rssi); 396 397 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 398 if (vif->txq) { 399 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 400 mtxq->wcid = idx; 401 } 402 403 out: 404 return ret; 405 } 406 407 static int 408 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 409 { 410 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 411 struct mt792x_dev *dev = mt792x_hw_dev(hw); 412 struct mt792x_phy *phy = mt792x_hw_phy(hw); 413 int ret = 0; 414 415 mt792x_mutex_acquire(dev); 416 417 mvif->phy = phy; 418 mvif->bss_conf.vif = mvif; 419 mvif->sta.vif = mvif; 420 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED; 421 422 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink); 423 if (ret < 0) 424 goto out; 425 426 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 427 out: 428 mt792x_mutex_release(dev); 429 430 return ret; 431 } 432 433 static void mt7925_roc_iter(void *priv, u8 *mac, 434 struct ieee80211_vif *vif) 435 { 436 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 437 struct mt792x_phy *phy = priv; 438 439 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id); 440 } 441 442 void mt7925_roc_abort_sync(struct mt792x_dev *dev) 443 { 444 struct mt792x_phy *phy = &dev->phy; 445 446 del_timer_sync(&phy->roc_timer); 447 cancel_work_sync(&phy->roc_work); 448 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 449 ieee80211_iterate_interfaces(mt76_hw(dev), 450 IEEE80211_IFACE_ITER_RESUME_ALL, 451 mt7925_roc_iter, (void *)phy); 452 } 453 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync); 454 455 void mt7925_roc_work(struct work_struct *work) 456 { 457 struct mt792x_phy *phy; 458 459 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 460 roc_work); 461 462 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 463 return; 464 465 mt792x_mutex_acquire(phy->dev); 466 ieee80211_iterate_active_interfaces(phy->mt76->hw, 467 IEEE80211_IFACE_ITER_RESUME_ALL, 468 mt7925_roc_iter, phy); 469 mt792x_mutex_release(phy->dev); 470 ieee80211_remain_on_channel_expired(phy->mt76->hw); 471 } 472 473 static int mt7925_abort_roc(struct mt792x_phy *phy, 474 struct mt792x_bss_conf *mconf) 475 { 476 int err = 0; 477 478 del_timer_sync(&phy->roc_timer); 479 cancel_work_sync(&phy->roc_work); 480 481 mt792x_mutex_acquire(phy->dev); 482 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 483 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 484 mt792x_mutex_release(phy->dev); 485 486 return err; 487 } 488 489 static int mt7925_set_roc(struct mt792x_phy *phy, 490 struct mt792x_bss_conf *mconf, 491 struct ieee80211_channel *chan, 492 int duration, 493 enum mt7925_roc_req type) 494 { 495 int err; 496 497 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 498 return -EBUSY; 499 500 phy->roc_grant = false; 501 502 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type, 503 ++phy->roc_token_id); 504 if (err < 0) { 505 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 506 goto out; 507 } 508 509 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 510 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 511 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 512 err = -ETIMEDOUT; 513 } 514 515 out: 516 return err; 517 } 518 519 static int mt7925_set_mlo_roc(struct mt792x_phy *phy, 520 struct mt792x_bss_conf *mconf, 521 u16 sel_links) 522 { 523 int err; 524 525 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))) 526 return -EBUSY; 527 528 phy->roc_grant = false; 529 530 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id); 531 if (err < 0) { 532 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 533 goto out; 534 } 535 536 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 537 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 538 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 539 err = -ETIMEDOUT; 540 } 541 542 out: 543 return err; 544 } 545 546 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 547 struct ieee80211_vif *vif, 548 struct ieee80211_channel *chan, 549 int duration, 550 enum ieee80211_roc_type type) 551 { 552 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 553 struct mt792x_phy *phy = mt792x_hw_phy(hw); 554 int err; 555 556 mt792x_mutex_acquire(phy->dev); 557 err = mt7925_set_roc(phy, &mvif->bss_conf, 558 chan, duration, MT7925_ROC_REQ_ROC); 559 mt792x_mutex_release(phy->dev); 560 561 return err; 562 } 563 564 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 565 struct ieee80211_vif *vif) 566 { 567 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 568 struct mt792x_phy *phy = mt792x_hw_phy(hw); 569 570 return mt7925_abort_roc(phy, &mvif->bss_conf); 571 } 572 573 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 574 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 575 struct ieee80211_key_conf *key, int link_id) 576 { 577 struct mt792x_dev *dev = mt792x_hw_dev(hw); 578 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 579 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 580 &mvif->sta; 581 struct ieee80211_bss_conf *link_conf; 582 struct ieee80211_link_sta *link_sta; 583 int idx = key->keyidx, err = 0; 584 struct mt792x_link_sta *mlink; 585 struct mt792x_bss_conf *mconf; 586 struct mt76_wcid *wcid; 587 u8 *wcid_keyidx; 588 589 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 590 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; 591 mconf = mt792x_vif_to_link(mvif, link_id); 592 mlink = mt792x_sta_to_link(msta, link_id); 593 wcid = &mlink->wcid; 594 wcid_keyidx = &wcid->hw_key_idx; 595 596 /* fall back to sw encryption for unsupported ciphers */ 597 switch (key->cipher) { 598 case WLAN_CIPHER_SUITE_AES_CMAC: 599 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 600 wcid_keyidx = &wcid->hw_key_idx2; 601 break; 602 case WLAN_CIPHER_SUITE_WEP40: 603 case WLAN_CIPHER_SUITE_WEP104: 604 if (!mvif->wep_sta) 605 return -EOPNOTSUPP; 606 break; 607 case WLAN_CIPHER_SUITE_TKIP: 608 case WLAN_CIPHER_SUITE_CCMP: 609 case WLAN_CIPHER_SUITE_CCMP_256: 610 case WLAN_CIPHER_SUITE_GCMP: 611 case WLAN_CIPHER_SUITE_GCMP_256: 612 case WLAN_CIPHER_SUITE_SMS4: 613 break; 614 default: 615 return -EOPNOTSUPP; 616 } 617 618 if (cmd == SET_KEY && !mconf->mt76.cipher) { 619 struct mt792x_phy *phy = mt792x_hw_phy(hw); 620 621 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 622 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf, 623 link_sta, true); 624 } 625 626 if (cmd == SET_KEY) 627 *wcid_keyidx = idx; 628 else if (idx == *wcid_keyidx) 629 *wcid_keyidx = -1; 630 else 631 goto out; 632 633 mt76_wcid_key_setup(&dev->mt76, wcid, 634 cmd == SET_KEY ? key : NULL); 635 636 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, 637 key, MCU_UNI_CMD(STA_REC_UPDATE), 638 &mlink->wcid, cmd, msta); 639 640 if (err) 641 goto out; 642 643 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 644 key->cipher == WLAN_CIPHER_SUITE_WEP40) 645 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, 646 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 647 &mvif->wep_sta->deflink.wcid, cmd, msta); 648 out: 649 return err; 650 } 651 652 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 653 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 654 struct ieee80211_key_conf *key) 655 { 656 struct mt792x_dev *dev = mt792x_hw_dev(hw); 657 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 658 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 659 &mvif->sta; 660 int err; 661 662 /* The hardware does not support per-STA RX GTK, fallback 663 * to software mode for these. 664 */ 665 if ((vif->type == NL80211_IFTYPE_ADHOC || 666 vif->type == NL80211_IFTYPE_MESH_POINT) && 667 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 668 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 669 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 670 return -EOPNOTSUPP; 671 672 mt792x_mutex_acquire(dev); 673 674 if (ieee80211_vif_is_mld(vif)) { 675 unsigned int link_id; 676 unsigned long add; 677 678 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links; 679 680 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 681 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id); 682 if (err < 0) 683 break; 684 } 685 } else { 686 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id); 687 } 688 689 mt792x_mutex_release(dev); 690 691 return err; 692 } 693 694 static void 695 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 696 { 697 struct mt792x_dev *dev = priv; 698 struct ieee80211_hw *hw = mt76_hw(dev); 699 bool pm_enable = dev->pm.enable; 700 int err; 701 702 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 703 if (err < 0) 704 return; 705 706 if (pm_enable) { 707 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 708 ieee80211_hw_set(hw, CONNECTION_MONITOR); 709 } else { 710 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 711 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 712 } 713 } 714 715 static void 716 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 717 { 718 struct mt792x_dev *dev = priv; 719 struct ieee80211_hw *hw = mt76_hw(dev); 720 struct mt76_connac_pm *pm = &dev->pm; 721 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 722 723 mt7925_mcu_set_sniffer(dev, vif, monitor); 724 pm->enable = pm->enable_user && !monitor; 725 pm->ds_enable = pm->ds_enable_user && !monitor; 726 727 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 728 729 if (monitor) 730 mt7925_mcu_set_beacon_filter(dev, vif, false); 731 } 732 733 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 734 { 735 struct ieee80211_hw *hw = mt76_hw(dev); 736 struct mt76_connac_pm *pm = &dev->pm; 737 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 738 739 pm->enable = pm->enable_user && !monitor; 740 ieee80211_iterate_active_interfaces(hw, 741 IEEE80211_IFACE_ITER_RESUME_ALL, 742 mt7925_pm_interface_iter, dev); 743 pm->ds_enable = pm->ds_enable_user && !monitor; 744 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 745 } 746 747 static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 748 { 749 struct mt792x_dev *dev = mt792x_hw_dev(hw); 750 int ret = 0; 751 752 mt792x_mutex_acquire(dev); 753 754 if (changed & IEEE80211_CONF_CHANGE_POWER) { 755 ret = mt7925_set_tx_sar_pwr(hw, NULL); 756 if (ret) 757 goto out; 758 } 759 760 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 761 ieee80211_iterate_active_interfaces(hw, 762 IEEE80211_IFACE_ITER_RESUME_ALL, 763 mt7925_sniffer_interface_iter, dev); 764 } 765 766 out: 767 mt792x_mutex_release(dev); 768 769 return ret; 770 } 771 772 static void mt7925_configure_filter(struct ieee80211_hw *hw, 773 unsigned int changed_flags, 774 unsigned int *total_flags, 775 u64 multicast) 776 { 777 #define MT7925_FILTER_FCSFAIL BIT(2) 778 #define MT7925_FILTER_CONTROL BIT(5) 779 #define MT7925_FILTER_OTHER_BSS BIT(6) 780 #define MT7925_FILTER_ENABLE BIT(31) 781 struct mt792x_dev *dev = mt792x_hw_dev(hw); 782 u32 flags = MT7925_FILTER_ENABLE; 783 784 #define MT7925_FILTER(_fif, _type) do { \ 785 if (*total_flags & (_fif)) \ 786 flags |= MT7925_FILTER_##_type; \ 787 } while (0) 788 789 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 790 MT7925_FILTER(FIF_CONTROL, CONTROL); 791 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 792 793 mt792x_mutex_acquire(dev); 794 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 795 mt792x_mutex_release(dev); 796 797 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 798 } 799 800 static u8 801 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 802 bool beacon, bool mcast) 803 { 804 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 805 struct mt76_phy *mphy = hw->priv; 806 u16 rate; 807 u8 i, idx, ht; 808 809 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 810 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 811 812 if (beacon && ht) { 813 struct mt792x_dev *dev = mt792x_hw_dev(hw); 814 815 /* must odd index */ 816 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 817 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 818 return idx; 819 } 820 821 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 822 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 823 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 824 return MT792x_BASIC_RATES_TBL + i; 825 826 return mvif->basic_rates_idx; 827 } 828 829 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, 830 struct ieee80211_vif *vif, 831 struct ieee80211_link_sta *link_sta) 832 { 833 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 834 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 835 struct ieee80211_bss_conf *link_conf; 836 struct mt792x_bss_conf *mconf; 837 u8 link_id = link_sta->link_id; 838 struct mt792x_link_sta *mlink; 839 struct mt792x_sta *msta; 840 struct mt76_wcid *wcid; 841 int ret, idx; 842 843 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 844 mlink = mt792x_sta_to_link(msta, link_id); 845 846 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 847 if (idx < 0) 848 return -ENOSPC; 849 850 mconf = mt792x_vif_to_link(mvif, link_id); 851 INIT_LIST_HEAD(&mlink->wcid.poll_list); 852 mlink->wcid.sta = 1; 853 mlink->wcid.idx = idx; 854 mlink->wcid.phy_idx = 0; 855 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 856 mlink->last_txs = jiffies; 857 mlink->wcid.link_id = link_sta->link_id; 858 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 859 mlink->sta = msta; 860 861 wcid = &mlink->wcid; 862 ewma_signal_init(&wcid->rssi); 863 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 864 mt76_wcid_init(wcid); 865 ewma_avg_signal_init(&mlink->avg_ack_signal); 866 memset(mlink->airtime_ac, 0, 867 sizeof(msta->deflink.airtime_ac)); 868 869 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 870 if (ret) 871 return ret; 872 873 mt7925_mac_wtbl_update(dev, idx, 874 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 875 876 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 877 878 /* should update bss info before STA add */ 879 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) 880 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 881 link_conf, link_sta, false); 882 883 if (ieee80211_vif_is_mld(vif) && 884 link_sta == mlink->pri_link) { 885 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 886 MT76_STA_INFO_STATE_NONE); 887 if (ret) 888 return ret; 889 } else if (ieee80211_vif_is_mld(vif) && 890 link_sta != mlink->pri_link) { 891 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 892 true, MT76_STA_INFO_STATE_ASSOC); 893 if (ret) 894 return ret; 895 896 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 897 MT76_STA_INFO_STATE_ASSOC); 898 if (ret) 899 return ret; 900 } else { 901 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 902 MT76_STA_INFO_STATE_NONE); 903 if (ret) 904 return ret; 905 } 906 907 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 908 909 return 0; 910 } 911 912 static int 913 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 914 struct ieee80211_sta *sta, unsigned long new_links) 915 { 916 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 917 unsigned int link_id; 918 int err = 0; 919 920 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 921 struct ieee80211_link_sta *link_sta; 922 struct mt792x_link_sta *mlink; 923 924 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 925 mlink = &msta->deflink; 926 msta->deflink_id = link_id; 927 } else { 928 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); 929 if (!mlink) { 930 err = -ENOMEM; 931 break; 932 } 933 } 934 935 msta->valid_links |= BIT(link_id); 936 rcu_assign_pointer(msta->link[link_id], mlink); 937 mlink->sta = msta; 938 mlink->pri_link = &sta->deflink; 939 mlink->wcid.def_wcid = &msta->deflink.wcid; 940 941 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 942 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); 943 } 944 945 return err; 946 } 947 948 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 949 struct ieee80211_sta *sta) 950 { 951 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 952 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 953 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 954 int err; 955 956 msta->vif = mvif; 957 958 if (vif->type == NL80211_IFTYPE_STATION) 959 mvif->wep_sta = msta; 960 961 if (ieee80211_vif_is_mld(vif)) { 962 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 963 964 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 965 } else { 966 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink); 967 } 968 969 return err; 970 } 971 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 972 973 static u16 974 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 975 { 976 unsigned long usable_links = ieee80211_vif_usable_links(vif); 977 struct { 978 u8 link_id; 979 enum nl80211_band band; 980 } data[IEEE80211_MLD_MAX_NUM_LINKS]; 981 u8 link_id, i, j, n_data = 0; 982 u16 sel_links = 0; 983 984 if (!ieee80211_vif_is_mld(vif)) 985 return 0; 986 987 if (vif->active_links == usable_links) 988 return vif->active_links; 989 990 rcu_read_lock(); 991 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { 992 struct ieee80211_bss_conf *link_conf = 993 rcu_dereference(vif->link_conf[link_id]); 994 995 if (WARN_ON_ONCE(!link_conf)) 996 continue; 997 998 data[n_data].link_id = link_id; 999 data[n_data].band = link_conf->chanreq.oper.chan->band; 1000 n_data++; 1001 } 1002 rcu_read_unlock(); 1003 1004 for (i = 0; i < n_data; i++) { 1005 if (!(BIT(data[i].link_id) & vif->active_links)) 1006 continue; 1007 1008 sel_links = BIT(data[i].link_id); 1009 1010 for (j = 0; j < n_data; j++) { 1011 if (data[i].band != data[j].band) { 1012 sel_links |= BIT(data[j].link_id); 1013 break; 1014 } 1015 } 1016 1017 break; 1018 } 1019 1020 return sel_links; 1021 } 1022 1023 static void 1024 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1025 { 1026 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1027 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1028 struct ieee80211_bss_conf *link_conf = 1029 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1030 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1031 enum nl80211_band band = chandef->chan->band, secondary_band; 1032 1033 u16 sel_links = mt7925_mac_select_links(mdev, vif); 1034 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1035 1036 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1037 return; 1038 1039 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1040 secondary_band = link_conf->chanreq.oper.chan->band; 1041 1042 if (band == NL80211_BAND_2GHZ || 1043 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1044 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1045 1046 mt792x_mutex_acquire(dev); 1047 1048 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1049 1050 mt792x_mutex_release(dev); 1051 } 1052 1053 ieee80211_set_active_links_async(vif, sel_links); 1054 } 1055 1056 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1057 struct ieee80211_vif *vif, 1058 struct ieee80211_link_sta *link_sta) 1059 { 1060 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1061 struct ieee80211_bss_conf *link_conf; 1062 struct mt792x_link_sta *mlink; 1063 struct mt792x_sta *msta; 1064 1065 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1066 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1067 1068 mt792x_mutex_acquire(dev); 1069 1070 if (ieee80211_vif_is_mld(vif)) { 1071 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1072 } else { 1073 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1074 } 1075 1076 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1077 struct mt792x_bss_conf *mconf; 1078 1079 mconf = mt792x_link_conf_to_mconf(link_conf); 1080 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1081 link_conf, link_sta, true); 1082 } 1083 1084 ewma_avg_signal_init(&mlink->avg_ack_signal); 1085 1086 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1087 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1088 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1089 1090 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 1091 1092 mt792x_mutex_release(dev); 1093 } 1094 1095 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1096 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1097 { 1098 struct ieee80211_link_sta *link_sta = &sta->deflink; 1099 1100 if (ev != MT76_STA_EVENT_ASSOC) 1101 return 0; 1102 1103 if (ieee80211_vif_is_mld(vif)) { 1104 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1105 1106 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1107 mt7925_mac_set_links(mdev, vif); 1108 } 1109 1110 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1111 1112 return 0; 1113 } 1114 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1115 1116 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1117 struct ieee80211_vif *vif, 1118 struct ieee80211_link_sta *link_sta) 1119 { 1120 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1121 struct ieee80211_bss_conf *link_conf; 1122 u8 link_id = link_sta->link_id; 1123 struct mt792x_link_sta *mlink; 1124 struct mt792x_sta *msta; 1125 1126 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1127 mlink = mt792x_sta_to_link(msta, link_id); 1128 1129 mt7925_roc_abort_sync(dev); 1130 1131 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid); 1132 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1133 1134 mt7925_mcu_sta_update(dev, link_sta, vif, false, 1135 MT76_STA_INFO_STATE_NONE); 1136 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1137 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1138 1139 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1140 1141 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1142 struct mt792x_bss_conf *mconf; 1143 1144 mconf = mt792x_link_conf_to_mconf(link_conf); 1145 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1146 link_sta, false); 1147 } 1148 1149 spin_lock_bh(&mdev->sta_poll_lock); 1150 if (!list_empty(&mlink->wcid.poll_list)) 1151 list_del_init(&mlink->wcid.poll_list); 1152 spin_unlock_bh(&mdev->sta_poll_lock); 1153 1154 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1155 } 1156 1157 static int 1158 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1159 struct ieee80211_sta *sta, unsigned long old_links) 1160 { 1161 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1162 struct mt76_dev *mdev = &dev->mt76; 1163 struct mt76_wcid *wcid; 1164 unsigned int link_id; 1165 1166 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1167 struct ieee80211_link_sta *link_sta; 1168 struct mt792x_link_sta *mlink; 1169 1170 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1171 if (!link_sta) 1172 continue; 1173 1174 mlink = mt792x_sta_to_link(msta, link_id); 1175 if (!mlink) 1176 continue; 1177 1178 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); 1179 1180 wcid = &mlink->wcid; 1181 rcu_assign_pointer(msta->link[link_id], NULL); 1182 msta->valid_links &= ~BIT(link_id); 1183 mlink->sta = NULL; 1184 mlink->pri_link = NULL; 1185 1186 if (link_sta != mlink->pri_link) { 1187 mt76_wcid_cleanup(mdev, wcid); 1188 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 1189 mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx); 1190 } 1191 1192 if (msta->deflink_id == link_id) 1193 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1194 } 1195 1196 return 0; 1197 } 1198 1199 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1200 struct ieee80211_sta *sta) 1201 { 1202 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1203 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1204 unsigned long rem; 1205 1206 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1207 1208 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1209 1210 if (vif->type == NL80211_IFTYPE_STATION) { 1211 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1212 1213 mvif->wep_sta = NULL; 1214 ewma_rssi_init(&mvif->bss_conf.rssi); 1215 } 1216 } 1217 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1218 1219 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 1220 { 1221 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1222 1223 mt792x_mutex_acquire(dev); 1224 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1225 mt792x_mutex_release(dev); 1226 1227 return 0; 1228 } 1229 1230 static int 1231 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1232 struct ieee80211_ampdu_params *params) 1233 { 1234 enum ieee80211_ampdu_mlme_action action = params->action; 1235 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1236 struct ieee80211_sta *sta = params->sta; 1237 struct ieee80211_txq *txq = sta->txq[params->tid]; 1238 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1239 u16 tid = params->tid; 1240 u16 ssn = params->ssn; 1241 struct mt76_txq *mtxq; 1242 int ret = 0; 1243 1244 if (!txq) 1245 return -EINVAL; 1246 1247 mtxq = (struct mt76_txq *)txq->drv_priv; 1248 1249 mt792x_mutex_acquire(dev); 1250 switch (action) { 1251 case IEEE80211_AMPDU_RX_START: 1252 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1253 params->buf_size); 1254 mt7925_mcu_uni_rx_ba(dev, params, true); 1255 break; 1256 case IEEE80211_AMPDU_RX_STOP: 1257 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1258 mt7925_mcu_uni_rx_ba(dev, params, false); 1259 break; 1260 case IEEE80211_AMPDU_TX_OPERATIONAL: 1261 mtxq->aggr = true; 1262 mtxq->send_bar = false; 1263 mt7925_mcu_uni_tx_ba(dev, params, true); 1264 break; 1265 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1266 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1267 mtxq->aggr = false; 1268 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1269 mt7925_mcu_uni_tx_ba(dev, params, false); 1270 break; 1271 case IEEE80211_AMPDU_TX_START: 1272 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1273 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1274 break; 1275 case IEEE80211_AMPDU_TX_STOP_CONT: 1276 mtxq->aggr = false; 1277 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1278 mt7925_mcu_uni_tx_ba(dev, params, false); 1279 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1280 break; 1281 } 1282 mt792x_mutex_release(dev); 1283 1284 return ret; 1285 } 1286 1287 static bool is_valid_alpha2(const char *alpha2) 1288 { 1289 if (!alpha2) 1290 return false; 1291 1292 if (alpha2[0] == '0' && alpha2[1] == '0') 1293 return true; 1294 1295 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 1296 return true; 1297 1298 return false; 1299 } 1300 1301 void mt7925_scan_work(struct work_struct *work) 1302 { 1303 struct mt792x_phy *phy; 1304 1305 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1306 scan_work.work); 1307 1308 while (true) { 1309 struct mt76_dev *mdev = &phy->dev->mt76; 1310 struct sk_buff *skb; 1311 struct tlv *tlv; 1312 int tlv_len; 1313 1314 spin_lock_bh(&phy->dev->mt76.lock); 1315 skb = __skb_dequeue(&phy->scan_event_list); 1316 spin_unlock_bh(&phy->dev->mt76.lock); 1317 1318 if (!skb) 1319 break; 1320 1321 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1322 tlv = (struct tlv *)skb->data; 1323 tlv_len = skb->len; 1324 1325 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1326 struct mt7925_mcu_scan_chinfo_event *evt; 1327 1328 switch (le16_to_cpu(tlv->tag)) { 1329 case UNI_EVENT_SCAN_DONE_BASIC: 1330 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1331 struct cfg80211_scan_info info = { 1332 .aborted = false, 1333 }; 1334 ieee80211_scan_completed(phy->mt76->hw, &info); 1335 } 1336 break; 1337 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1338 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1339 1340 if (!is_valid_alpha2(evt->alpha2)) 1341 break; 1342 1343 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 1344 break; 1345 1346 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 1347 1348 break; 1349 case UNI_EVENT_SCAN_DONE_NLO: 1350 ieee80211_sched_scan_results(phy->mt76->hw); 1351 break; 1352 default: 1353 break; 1354 } 1355 1356 tlv_len -= le16_to_cpu(tlv->len); 1357 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1358 } 1359 1360 dev_kfree_skb(skb); 1361 } 1362 } 1363 1364 static int 1365 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1366 struct ieee80211_scan_request *req) 1367 { 1368 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1369 struct mt76_phy *mphy = hw->priv; 1370 int err; 1371 1372 mt792x_mutex_acquire(dev); 1373 err = mt7925_mcu_hw_scan(mphy, vif, req); 1374 mt792x_mutex_release(dev); 1375 1376 return err; 1377 } 1378 1379 static void 1380 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1381 { 1382 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1383 struct mt76_phy *mphy = hw->priv; 1384 1385 mt792x_mutex_acquire(dev); 1386 mt7925_mcu_cancel_hw_scan(mphy, vif); 1387 mt792x_mutex_release(dev); 1388 } 1389 1390 static int 1391 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1392 struct cfg80211_sched_scan_request *req, 1393 struct ieee80211_scan_ies *ies) 1394 { 1395 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1396 struct mt76_phy *mphy = hw->priv; 1397 int err; 1398 1399 mt792x_mutex_acquire(dev); 1400 1401 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1402 if (err < 0) 1403 goto out; 1404 1405 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1406 out: 1407 mt792x_mutex_release(dev); 1408 1409 return err; 1410 } 1411 1412 static int 1413 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1414 { 1415 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1416 struct mt76_phy *mphy = hw->priv; 1417 int err; 1418 1419 mt792x_mutex_acquire(dev); 1420 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1421 mt792x_mutex_release(dev); 1422 1423 return err; 1424 } 1425 1426 static int 1427 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1428 { 1429 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1430 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1431 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1432 1433 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1434 return -EINVAL; 1435 1436 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1437 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1438 1439 mt792x_mutex_acquire(dev); 1440 1441 phy->mt76->antenna_mask = tx_ant; 1442 phy->mt76->chainmask = tx_ant; 1443 1444 mt76_set_stream_caps(phy->mt76, true); 1445 mt7925_set_stream_he_eht_caps(phy); 1446 1447 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1448 mt792x_mutex_release(dev); 1449 1450 return 0; 1451 } 1452 1453 #ifdef CONFIG_PM 1454 static int mt7925_suspend(struct ieee80211_hw *hw, 1455 struct cfg80211_wowlan *wowlan) 1456 { 1457 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1458 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1459 1460 cancel_delayed_work_sync(&phy->scan_work); 1461 cancel_delayed_work_sync(&phy->mt76->mac_work); 1462 1463 cancel_delayed_work_sync(&dev->pm.ps_work); 1464 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1465 1466 mt792x_mutex_acquire(dev); 1467 1468 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1469 ieee80211_iterate_active_interfaces(hw, 1470 IEEE80211_IFACE_ITER_RESUME_ALL, 1471 mt7925_mcu_set_suspend_iter, 1472 &dev->mphy); 1473 1474 mt792x_mutex_release(dev); 1475 1476 return 0; 1477 } 1478 1479 static int mt7925_resume(struct ieee80211_hw *hw) 1480 { 1481 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1482 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1483 1484 mt792x_mutex_acquire(dev); 1485 1486 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1487 ieee80211_iterate_active_interfaces(hw, 1488 IEEE80211_IFACE_ITER_RESUME_ALL, 1489 mt7925_mcu_set_suspend_iter, 1490 &dev->mphy); 1491 1492 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1493 MT792x_WATCHDOG_TIME); 1494 1495 mt792x_mutex_release(dev); 1496 1497 return 0; 1498 } 1499 1500 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1501 struct ieee80211_vif *vif, 1502 struct cfg80211_gtk_rekey_data *data) 1503 { 1504 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1505 1506 mt792x_mutex_acquire(dev); 1507 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1508 mt792x_mutex_release(dev); 1509 } 1510 #endif /* CONFIG_PM */ 1511 1512 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1513 struct ieee80211_vif *vif, 1514 struct ieee80211_sta *sta, 1515 bool enabled) 1516 { 1517 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1518 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1519 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1520 unsigned long valid = mvif->valid_links; 1521 u8 i; 1522 1523 mt792x_mutex_acquire(dev); 1524 1525 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1526 1527 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1528 struct mt792x_link_sta *mlink; 1529 1530 mlink = mt792x_sta_to_link(msta, i); 1531 1532 if (enabled) 1533 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1534 else 1535 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1536 1537 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i); 1538 } 1539 1540 mt792x_mutex_release(dev); 1541 } 1542 1543 #if IS_ENABLED(CONFIG_IPV6) 1544 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1545 struct ieee80211_bss_conf *link_conf, 1546 struct inet6_dev *idev) 1547 { 1548 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1549 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1550 struct inet6_ifaddr *ifa; 1551 struct sk_buff *skb; 1552 u8 idx = 0; 1553 1554 struct { 1555 struct { 1556 u8 bss_idx; 1557 u8 pad[3]; 1558 } __packed hdr; 1559 struct mt7925_arpns_tlv arpns; 1560 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1561 } req_hdr = { 1562 .hdr = { 1563 .bss_idx = mconf->mt76.idx, 1564 }, 1565 .arpns = { 1566 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1567 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1568 .enable = true, 1569 }, 1570 }; 1571 1572 read_lock_bh(&idev->lock); 1573 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1574 if (ifa->flags & IFA_F_TENTATIVE) 1575 continue; 1576 req_hdr.ns_addrs[idx] = ifa->addr; 1577 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1578 break; 1579 } 1580 read_unlock_bh(&idev->lock); 1581 1582 if (!idx) 1583 return; 1584 1585 req_hdr.arpns.ips_num = idx; 1586 1587 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1588 0, GFP_ATOMIC); 1589 if (!skb) 1590 return; 1591 1592 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1593 1594 skb_queue_tail(&dev->ipv6_ns_list, skb); 1595 1596 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1597 } 1598 1599 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1600 struct ieee80211_vif *vif, 1601 struct inet6_dev *idev) 1602 { 1603 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1604 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1605 mvif->valid_links : BIT(0); 1606 struct ieee80211_bss_conf *bss_conf; 1607 int i; 1608 1609 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1610 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1611 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1612 } 1613 } 1614 1615 #endif 1616 1617 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1618 const struct cfg80211_sar_specs *sar) 1619 { 1620 struct mt76_phy *mphy = hw->priv; 1621 1622 if (sar) { 1623 int err = mt76_init_sar_power(hw, sar); 1624 1625 if (err) 1626 return err; 1627 } 1628 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1629 1630 return mt7925_mcu_set_rate_txpower(mphy); 1631 } 1632 1633 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1634 const struct cfg80211_sar_specs *sar) 1635 { 1636 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1637 int err; 1638 1639 mt792x_mutex_acquire(dev); 1640 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1641 dev->country_ie_env); 1642 if (err < 0) 1643 goto out; 1644 1645 err = mt7925_set_tx_sar_pwr(hw, sar); 1646 out: 1647 mt792x_mutex_release(dev); 1648 1649 return err; 1650 } 1651 1652 static void 1653 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1654 struct ieee80211_vif *vif, 1655 struct cfg80211_chan_def *chandef) 1656 { 1657 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1658 1659 mt792x_mutex_acquire(dev); 1660 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1661 mt792x_mutex_release(dev); 1662 } 1663 1664 static int 1665 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1666 unsigned int link_id, u16 queue, 1667 const struct ieee80211_tx_queue_params *params) 1668 { 1669 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1670 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1671 static const u8 mq_to_aci[] = { 1672 [IEEE80211_AC_VO] = 3, 1673 [IEEE80211_AC_VI] = 2, 1674 [IEEE80211_AC_BE] = 0, 1675 [IEEE80211_AC_BK] = 1, 1676 }; 1677 1678 /* firmware uses access class index */ 1679 mconf->queue_params[mq_to_aci[queue]] = *params; 1680 1681 return 0; 1682 } 1683 1684 static int 1685 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1686 struct ieee80211_bss_conf *link_conf) 1687 { 1688 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1689 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1690 int err; 1691 1692 mt792x_mutex_acquire(dev); 1693 1694 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1695 link_conf, NULL, true); 1696 if (err) 1697 goto out; 1698 1699 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1700 if (err) 1701 goto out; 1702 1703 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1704 MT76_STA_INFO_STATE_NONE); 1705 out: 1706 mt792x_mutex_release(dev); 1707 1708 return err; 1709 } 1710 1711 static void 1712 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1713 struct ieee80211_bss_conf *link_conf) 1714 { 1715 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1716 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1717 int err; 1718 1719 mt792x_mutex_acquire(dev); 1720 1721 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1722 if (err) 1723 goto out; 1724 1725 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1726 NULL, false); 1727 1728 out: 1729 mt792x_mutex_release(dev); 1730 } 1731 1732 static int 1733 mt7925_add_chanctx(struct ieee80211_hw *hw, 1734 struct ieee80211_chanctx_conf *ctx) 1735 { 1736 return 0; 1737 } 1738 1739 static void 1740 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1741 struct ieee80211_chanctx_conf *ctx) 1742 { 1743 } 1744 1745 static void 1746 mt7925_change_chanctx(struct ieee80211_hw *hw, 1747 struct ieee80211_chanctx_conf *ctx, 1748 u32 changed) 1749 { 1750 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1751 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1752 struct mt792x_bss_conf *mconf; 1753 struct ieee80211_vif *vif; 1754 struct mt792x_vif *mvif; 1755 1756 if (!mctx->bss_conf) 1757 return; 1758 1759 mconf = mctx->bss_conf; 1760 mvif = mconf->vif; 1761 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1762 1763 mt792x_mutex_acquire(phy->dev); 1764 if (vif->type == NL80211_IFTYPE_MONITOR) { 1765 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1766 mt7925_mcu_config_sniffer(mvif, ctx); 1767 } else { 1768 if (ieee80211_vif_is_mld(vif)) { 1769 unsigned long valid = mvif->valid_links; 1770 u8 i; 1771 1772 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1773 mconf = mt792x_vif_to_link(mvif, i); 1774 if (mconf && mconf->mt76.ctx == ctx) 1775 break; 1776 } 1777 1778 } else { 1779 mconf = &mvif->bss_conf; 1780 } 1781 1782 if (mconf) { 1783 struct ieee80211_bss_conf *link_conf; 1784 1785 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1786 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1787 link_conf, ctx); 1788 } 1789 } 1790 1791 mt792x_mutex_release(phy->dev); 1792 } 1793 1794 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1795 struct ieee80211_vif *vif, 1796 struct ieee80211_prep_tx_info *info) 1797 { 1798 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1799 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1800 u16 duration = info->duration ? info->duration : 1801 jiffies_to_msecs(HZ); 1802 1803 mt792x_mutex_acquire(dev); 1804 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1805 mvif->bss_conf.mt76.ctx->def.chan, duration, 1806 MT7925_ROC_REQ_JOIN); 1807 mt792x_mutex_release(dev); 1808 } 1809 1810 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1811 struct ieee80211_vif *vif, 1812 struct ieee80211_prep_tx_info *info) 1813 { 1814 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1815 1816 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1817 } 1818 1819 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1820 struct ieee80211_vif *vif, 1821 u64 changed) 1822 { 1823 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1824 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1825 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1826 mvif->valid_links : BIT(0); 1827 struct ieee80211_bss_conf *bss_conf; 1828 int i; 1829 1830 mt792x_mutex_acquire(dev); 1831 1832 if (changed & BSS_CHANGED_ASSOC) { 1833 mt7925_mcu_sta_update(dev, NULL, vif, true, 1834 MT76_STA_INFO_STATE_ASSOC); 1835 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1836 } 1837 1838 if (changed & BSS_CHANGED_ARP_FILTER) { 1839 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1840 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1841 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 1842 } 1843 } 1844 1845 if (changed & BSS_CHANGED_PS) { 1846 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1847 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1848 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1849 } 1850 } 1851 1852 mt792x_mutex_release(dev); 1853 } 1854 1855 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 1856 struct ieee80211_vif *vif, 1857 struct ieee80211_bss_conf *info, 1858 u64 changed) 1859 { 1860 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1861 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1862 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1863 struct mt792x_bss_conf *mconf; 1864 1865 mconf = mt792x_vif_to_link(mvif, info->link_id); 1866 1867 mt792x_mutex_acquire(dev); 1868 1869 if (changed & BSS_CHANGED_ERP_SLOT) { 1870 int slottime = info->use_short_slot ? 9 : 20; 1871 1872 if (slottime != phy->slottime) { 1873 phy->slottime = slottime; 1874 mt7925_mcu_set_timing(phy, info); 1875 } 1876 } 1877 1878 if (changed & BSS_CHANGED_MCAST_RATE) 1879 mconf->mt76.mcast_rates_idx = 1880 mt7925_get_rates_table(hw, vif, false, true); 1881 1882 if (changed & BSS_CHANGED_BASIC_RATES) 1883 mconf->mt76.basic_rates_idx = 1884 mt7925_get_rates_table(hw, vif, false, false); 1885 1886 if (changed & (BSS_CHANGED_BEACON | 1887 BSS_CHANGED_BEACON_ENABLED)) { 1888 mconf->mt76.beacon_rates_idx = 1889 mt7925_get_rates_table(hw, vif, true, false); 1890 1891 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 1892 info->enable_beacon); 1893 } 1894 1895 /* ensure that enable txcmd_mode after bss_info */ 1896 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 1897 mt7925_mcu_set_tx(dev, info); 1898 1899 mt792x_mutex_release(dev); 1900 } 1901 1902 static int 1903 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1904 u16 old_links, u16 new_links, 1905 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 1906 { 1907 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 1908 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 1909 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1910 unsigned long add = new_links & ~old_links; 1911 unsigned long rem = old_links & ~new_links; 1912 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1913 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1914 struct ieee80211_bss_conf *link_conf; 1915 unsigned int link_id; 1916 int err; 1917 1918 if (old_links == new_links) 1919 return 0; 1920 1921 mt792x_mutex_acquire(dev); 1922 1923 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 1924 mconf = mt792x_vif_to_link(mvif, link_id); 1925 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 1926 1927 if (!mconf || !mlink) 1928 continue; 1929 1930 if (mconf != &mvif->bss_conf) { 1931 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1932 devm_kfree(dev->mt76.dev, mconf); 1933 devm_kfree(dev->mt76.dev, mlink); 1934 } 1935 1936 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1937 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1938 } 1939 1940 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1941 if (!old_links) { 1942 mvif->deflink_id = link_id; 1943 mconf = &mvif->bss_conf; 1944 mlink = &mvif->sta.deflink; 1945 } else { 1946 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 1947 GFP_KERNEL); 1948 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 1949 GFP_KERNEL); 1950 if (!mconf || !mlink) 1951 return -ENOMEM; 1952 } 1953 1954 mconfs[link_id] = mconf; 1955 mlinks[link_id] = mlink; 1956 mconf->link_id = link_id; 1957 mconf->vif = mvif; 1958 mlink->wcid.link_id = link_id; 1959 mlink->wcid.link_valid = !!vif->valid_links; 1960 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 1961 } 1962 1963 if (hweight16(mvif->valid_links) == 0) 1964 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 1965 &mvif->sta.deflink); 1966 1967 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1968 mconf = mconfs[link_id]; 1969 mlink = mlinks[link_id]; 1970 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1971 1972 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 1973 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 1974 1975 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 1976 if (err < 0) 1977 goto free; 1978 1979 if (mconf != &mvif->bss_conf) { 1980 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 1981 vif->active_links); 1982 if (err < 0) 1983 goto free; 1984 } 1985 } 1986 1987 mvif->valid_links = new_links; 1988 1989 mt792x_mutex_release(dev); 1990 1991 return 0; 1992 1993 free: 1994 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1995 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1996 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1997 1998 if (mconf != &mvif->bss_conf) 1999 devm_kfree(dev->mt76.dev, mconfs[link_id]); 2000 if (mlink != &mvif->sta.deflink) 2001 devm_kfree(dev->mt76.dev, mlinks[link_id]); 2002 } 2003 2004 mt792x_mutex_release(dev); 2005 2006 return err; 2007 } 2008 2009 static int 2010 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2011 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2012 { 2013 unsigned long add = new_links & ~old_links; 2014 unsigned long rem = old_links & ~new_links; 2015 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2016 int err = 0; 2017 2018 if (old_links == new_links) 2019 return 0; 2020 2021 mt792x_mutex_acquire(dev); 2022 2023 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2024 if (err < 0) 2025 goto out; 2026 2027 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2028 if (err < 0) 2029 goto out; 2030 2031 out: 2032 mt792x_mutex_release(dev); 2033 2034 return err; 2035 } 2036 2037 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2038 struct ieee80211_vif *vif, 2039 struct ieee80211_bss_conf *link_conf, 2040 struct ieee80211_chanctx_conf *ctx) 2041 { 2042 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2043 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2044 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2045 struct ieee80211_bss_conf *pri_link_conf; 2046 struct mt792x_bss_conf *mconf; 2047 2048 mutex_lock(&dev->mt76.mutex); 2049 2050 if (ieee80211_vif_is_mld(vif)) { 2051 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2052 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2053 2054 if (vif->type == NL80211_IFTYPE_STATION && 2055 mconf == &mvif->bss_conf) 2056 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2057 NULL, true); 2058 } else { 2059 mconf = &mvif->bss_conf; 2060 } 2061 2062 mconf->mt76.ctx = ctx; 2063 mctx->bss_conf = mconf; 2064 mutex_unlock(&dev->mt76.mutex); 2065 2066 return 0; 2067 } 2068 2069 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2070 struct ieee80211_vif *vif, 2071 struct ieee80211_bss_conf *link_conf, 2072 struct ieee80211_chanctx_conf *ctx) 2073 { 2074 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2075 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2076 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2077 struct ieee80211_bss_conf *pri_link_conf; 2078 struct mt792x_bss_conf *mconf; 2079 2080 mutex_lock(&dev->mt76.mutex); 2081 2082 if (ieee80211_vif_is_mld(vif)) { 2083 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2084 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2085 2086 if (vif->type == NL80211_IFTYPE_STATION && 2087 mconf == &mvif->bss_conf) 2088 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2089 NULL, false); 2090 } else { 2091 mconf = &mvif->bss_conf; 2092 } 2093 2094 mctx->bss_conf = NULL; 2095 mconf->mt76.ctx = NULL; 2096 mutex_unlock(&dev->mt76.mutex); 2097 } 2098 2099 const struct ieee80211_ops mt7925_ops = { 2100 .tx = mt792x_tx, 2101 .start = mt7925_start, 2102 .stop = mt792x_stop, 2103 .add_interface = mt7925_add_interface, 2104 .remove_interface = mt792x_remove_interface, 2105 .config = mt7925_config, 2106 .conf_tx = mt7925_conf_tx, 2107 .configure_filter = mt7925_configure_filter, 2108 .start_ap = mt7925_start_ap, 2109 .stop_ap = mt7925_stop_ap, 2110 .sta_state = mt76_sta_state, 2111 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2112 .set_key = mt7925_set_key, 2113 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2114 #if IS_ENABLED(CONFIG_IPV6) 2115 .ipv6_addr_change = mt7925_ipv6_addr_change, 2116 #endif /* CONFIG_IPV6 */ 2117 .ampdu_action = mt7925_ampdu_action, 2118 .set_rts_threshold = mt7925_set_rts_threshold, 2119 .wake_tx_queue = mt76_wake_tx_queue, 2120 .release_buffered_frames = mt76_release_buffered_frames, 2121 .channel_switch_beacon = mt7925_channel_switch_beacon, 2122 .get_txpower = mt76_get_txpower, 2123 .get_stats = mt792x_get_stats, 2124 .get_et_sset_count = mt792x_get_et_sset_count, 2125 .get_et_strings = mt792x_get_et_strings, 2126 .get_et_stats = mt792x_get_et_stats, 2127 .get_tsf = mt792x_get_tsf, 2128 .set_tsf = mt792x_set_tsf, 2129 .get_survey = mt76_get_survey, 2130 .get_antenna = mt76_get_antenna, 2131 .set_antenna = mt7925_set_antenna, 2132 .set_coverage_class = mt792x_set_coverage_class, 2133 .hw_scan = mt7925_hw_scan, 2134 .cancel_hw_scan = mt7925_cancel_hw_scan, 2135 .sta_statistics = mt792x_sta_statistics, 2136 .sched_scan_start = mt7925_start_sched_scan, 2137 .sched_scan_stop = mt7925_stop_sched_scan, 2138 #ifdef CONFIG_PM 2139 .suspend = mt7925_suspend, 2140 .resume = mt7925_resume, 2141 .set_wakeup = mt792x_set_wakeup, 2142 .set_rekey_data = mt7925_set_rekey_data, 2143 #endif /* CONFIG_PM */ 2144 .flush = mt792x_flush, 2145 .set_sar_specs = mt7925_set_sar_specs, 2146 .remain_on_channel = mt7925_remain_on_channel, 2147 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2148 .add_chanctx = mt7925_add_chanctx, 2149 .remove_chanctx = mt7925_remove_chanctx, 2150 .change_chanctx = mt7925_change_chanctx, 2151 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2152 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2153 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2154 .mgd_complete_tx = mt7925_mgd_complete_tx, 2155 .vif_cfg_changed = mt7925_vif_cfg_changed, 2156 .link_info_changed = mt7925_link_info_changed, 2157 .change_vif_links = mt7925_change_vif_links, 2158 .change_sta_links = mt7925_change_sta_links, 2159 }; 2160 EXPORT_SYMBOL_GPL(mt7925_ops); 2161 2162 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2163 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2164 MODULE_LICENSE("Dual BSD/GPL"); 2165