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, band); 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 struct mt792x_dev *dev = phy->dev; 314 int err; 315 316 err = mt7925_mcu_set_channel_domain(mphy); 317 if (err) 318 return err; 319 320 err = mt7925_mcu_set_rts_thresh(phy, 0x92b); 321 if (err) 322 return err; 323 324 if (!dev->sar_inited) { 325 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL); 326 if (err) 327 return err; 328 dev->sar_inited = true; 329 } 330 331 mt792x_mac_reset_counters(phy); 332 set_bit(MT76_STATE_RUNNING, &mphy->state); 333 334 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 335 MT792x_WATCHDOG_TIME); 336 337 return 0; 338 } 339 EXPORT_SYMBOL_GPL(__mt7925_start); 340 341 static int mt7925_start(struct ieee80211_hw *hw) 342 { 343 struct mt792x_phy *phy = mt792x_hw_phy(hw); 344 int err; 345 346 mt792x_mutex_acquire(phy->dev); 347 err = __mt7925_start(phy); 348 mt792x_mutex_release(phy->dev); 349 350 return err; 351 } 352 353 static int mt7925_mac_link_bss_add(struct mt792x_dev *dev, 354 struct ieee80211_bss_conf *link_conf, 355 struct mt792x_link_sta *mlink) 356 { 357 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 358 struct ieee80211_vif *vif = link_conf->vif; 359 struct mt792x_vif *mvif = mconf->vif; 360 struct mt76_txq *mtxq; 361 int idx, ret = 0; 362 363 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask); 364 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) { 365 ret = -ENOSPC; 366 goto out; 367 } 368 369 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ? 370 0 : mconf->mt76.idx; 371 mconf->mt76.band_idx = 0xff; 372 mconf->mt76.wmm_idx = ieee80211_vif_is_mld(vif) ? 373 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 374 375 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 376 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 377 else 378 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 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 mlink->wcid.idx = idx; 386 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 387 mt76_wcid_init(&mlink->wcid, 0); 388 389 mt7925_mac_wtbl_update(dev, idx, 390 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 391 392 ewma_rssi_init(&mconf->rssi); 393 394 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 395 396 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76, 397 &mlink->wcid, true); 398 if (ret) 399 goto out; 400 401 if (vif->txq) { 402 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 403 mtxq->wcid = idx; 404 } 405 406 out: 407 return ret; 408 } 409 410 static int 411 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 412 { 413 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 414 struct mt792x_dev *dev = mt792x_hw_dev(hw); 415 struct mt792x_phy *phy = mt792x_hw_phy(hw); 416 int ret = 0; 417 418 mt792x_mutex_acquire(dev); 419 420 mvif->phy = phy; 421 mvif->bss_conf.vif = mvif; 422 mvif->sta.vif = mvif; 423 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED; 424 425 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink); 426 if (ret < 0) 427 goto out; 428 429 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 430 out: 431 mt792x_mutex_release(dev); 432 433 return ret; 434 } 435 436 static void mt7925_roc_iter(void *priv, u8 *mac, 437 struct ieee80211_vif *vif) 438 { 439 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 440 struct mt792x_phy *phy = priv; 441 442 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id); 443 } 444 445 void mt7925_roc_abort_sync(struct mt792x_dev *dev) 446 { 447 struct mt792x_phy *phy = &dev->phy; 448 449 del_timer_sync(&phy->roc_timer); 450 cancel_work_sync(&phy->roc_work); 451 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 452 ieee80211_iterate_interfaces(mt76_hw(dev), 453 IEEE80211_IFACE_ITER_RESUME_ALL, 454 mt7925_roc_iter, (void *)phy); 455 } 456 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync); 457 458 void mt7925_roc_work(struct work_struct *work) 459 { 460 struct mt792x_phy *phy; 461 462 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 463 roc_work); 464 465 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 466 return; 467 468 mt792x_mutex_acquire(phy->dev); 469 ieee80211_iterate_active_interfaces(phy->mt76->hw, 470 IEEE80211_IFACE_ITER_RESUME_ALL, 471 mt7925_roc_iter, phy); 472 mt792x_mutex_release(phy->dev); 473 ieee80211_remain_on_channel_expired(phy->mt76->hw); 474 } 475 476 static int mt7925_abort_roc(struct mt792x_phy *phy, 477 struct mt792x_bss_conf *mconf) 478 { 479 int err = 0; 480 481 del_timer_sync(&phy->roc_timer); 482 cancel_work_sync(&phy->roc_work); 483 484 mt792x_mutex_acquire(phy->dev); 485 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 486 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 487 mt792x_mutex_release(phy->dev); 488 489 return err; 490 } 491 492 static int mt7925_set_roc(struct mt792x_phy *phy, 493 struct mt792x_bss_conf *mconf, 494 struct ieee80211_channel *chan, 495 int duration, 496 enum mt7925_roc_req type) 497 { 498 int err; 499 500 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 501 return -EBUSY; 502 503 phy->roc_grant = false; 504 505 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type, 506 ++phy->roc_token_id); 507 if (err < 0) { 508 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 509 goto out; 510 } 511 512 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 513 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 514 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 515 err = -ETIMEDOUT; 516 } 517 518 out: 519 return err; 520 } 521 522 static int mt7925_set_mlo_roc(struct mt792x_phy *phy, 523 struct mt792x_bss_conf *mconf, 524 u16 sel_links) 525 { 526 int err; 527 528 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))) 529 return -EBUSY; 530 531 phy->roc_grant = false; 532 533 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id); 534 if (err < 0) { 535 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 536 goto out; 537 } 538 539 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 540 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 541 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 542 err = -ETIMEDOUT; 543 } 544 545 out: 546 return err; 547 } 548 549 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 550 struct ieee80211_vif *vif, 551 struct ieee80211_channel *chan, 552 int duration, 553 enum ieee80211_roc_type type) 554 { 555 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 556 struct mt792x_phy *phy = mt792x_hw_phy(hw); 557 int err; 558 559 mt792x_mutex_acquire(phy->dev); 560 err = mt7925_set_roc(phy, &mvif->bss_conf, 561 chan, duration, MT7925_ROC_REQ_ROC); 562 mt792x_mutex_release(phy->dev); 563 564 return err; 565 } 566 567 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 568 struct ieee80211_vif *vif) 569 { 570 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 571 struct mt792x_phy *phy = mt792x_hw_phy(hw); 572 573 return mt7925_abort_roc(phy, &mvif->bss_conf); 574 } 575 576 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 577 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 578 struct ieee80211_key_conf *key, int link_id) 579 { 580 struct mt792x_dev *dev = mt792x_hw_dev(hw); 581 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 582 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 583 &mvif->sta; 584 struct ieee80211_bss_conf *link_conf; 585 struct ieee80211_link_sta *link_sta; 586 int idx = key->keyidx, err = 0; 587 struct mt792x_link_sta *mlink; 588 struct mt792x_bss_conf *mconf; 589 struct mt76_wcid *wcid; 590 u8 *wcid_keyidx; 591 592 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 593 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; 594 mconf = mt792x_vif_to_link(mvif, link_id); 595 mlink = mt792x_sta_to_link(msta, link_id); 596 wcid = &mlink->wcid; 597 wcid_keyidx = &wcid->hw_key_idx; 598 599 /* fall back to sw encryption for unsupported ciphers */ 600 switch (key->cipher) { 601 case WLAN_CIPHER_SUITE_AES_CMAC: 602 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 603 wcid_keyidx = &wcid->hw_key_idx2; 604 break; 605 case WLAN_CIPHER_SUITE_WEP40: 606 case WLAN_CIPHER_SUITE_WEP104: 607 if (!mvif->wep_sta) 608 return -EOPNOTSUPP; 609 break; 610 case WLAN_CIPHER_SUITE_TKIP: 611 case WLAN_CIPHER_SUITE_CCMP: 612 case WLAN_CIPHER_SUITE_CCMP_256: 613 case WLAN_CIPHER_SUITE_GCMP: 614 case WLAN_CIPHER_SUITE_GCMP_256: 615 case WLAN_CIPHER_SUITE_SMS4: 616 break; 617 default: 618 return -EOPNOTSUPP; 619 } 620 621 if (cmd == SET_KEY && !mconf->mt76.cipher) { 622 struct mt792x_phy *phy = mt792x_hw_phy(hw); 623 624 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 625 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf, 626 link_sta, true); 627 } 628 629 if (cmd == SET_KEY) 630 *wcid_keyidx = idx; 631 else if (idx == *wcid_keyidx) 632 *wcid_keyidx = -1; 633 else 634 goto out; 635 636 mt76_wcid_key_setup(&dev->mt76, wcid, 637 cmd == SET_KEY ? key : NULL); 638 639 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, 640 key, MCU_UNI_CMD(STA_REC_UPDATE), 641 &mlink->wcid, cmd, msta); 642 643 if (err) 644 goto out; 645 646 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 647 key->cipher == WLAN_CIPHER_SUITE_WEP40) 648 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, 649 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 650 &mvif->wep_sta->deflink.wcid, cmd, msta); 651 out: 652 return err; 653 } 654 655 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 656 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 657 struct ieee80211_key_conf *key) 658 { 659 struct mt792x_dev *dev = mt792x_hw_dev(hw); 660 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 661 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 662 &mvif->sta; 663 int err; 664 665 /* The hardware does not support per-STA RX GTK, fallback 666 * to software mode for these. 667 */ 668 if ((vif->type == NL80211_IFTYPE_ADHOC || 669 vif->type == NL80211_IFTYPE_MESH_POINT) && 670 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 671 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 672 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 673 return -EOPNOTSUPP; 674 675 mt792x_mutex_acquire(dev); 676 677 if (ieee80211_vif_is_mld(vif)) { 678 unsigned int link_id; 679 unsigned long add; 680 681 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links; 682 683 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 684 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id); 685 if (err < 0) 686 break; 687 } 688 } else { 689 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id); 690 } 691 692 mt792x_mutex_release(dev); 693 694 return err; 695 } 696 697 static void 698 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 699 { 700 struct mt792x_dev *dev = priv; 701 struct ieee80211_hw *hw = mt76_hw(dev); 702 bool pm_enable = dev->pm.enable; 703 int err; 704 705 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 706 if (err < 0) 707 return; 708 709 if (pm_enable) { 710 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 711 ieee80211_hw_set(hw, CONNECTION_MONITOR); 712 } else { 713 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 714 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 715 } 716 } 717 718 static void 719 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 720 { 721 struct mt792x_dev *dev = priv; 722 struct ieee80211_hw *hw = mt76_hw(dev); 723 struct mt76_connac_pm *pm = &dev->pm; 724 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 725 726 mt7925_mcu_set_sniffer(dev, vif, monitor); 727 pm->enable = pm->enable_user && !monitor; 728 pm->ds_enable = pm->ds_enable_user && !monitor; 729 730 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 731 732 if (monitor) 733 mt7925_mcu_set_beacon_filter(dev, vif, false); 734 } 735 736 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 737 { 738 struct ieee80211_hw *hw = mt76_hw(dev); 739 struct mt76_connac_pm *pm = &dev->pm; 740 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 741 742 pm->enable = pm->enable_user && !monitor; 743 ieee80211_iterate_active_interfaces(hw, 744 IEEE80211_IFACE_ITER_RESUME_ALL, 745 mt7925_pm_interface_iter, dev); 746 pm->ds_enable = pm->ds_enable_user && !monitor; 747 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 748 } 749 750 static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 751 { 752 struct mt792x_dev *dev = mt792x_hw_dev(hw); 753 int ret = 0; 754 755 mt792x_mutex_acquire(dev); 756 757 if (changed & IEEE80211_CONF_CHANGE_POWER) { 758 ret = mt7925_set_tx_sar_pwr(hw, NULL); 759 if (ret) 760 goto out; 761 } 762 763 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 764 ieee80211_iterate_active_interfaces(hw, 765 IEEE80211_IFACE_ITER_RESUME_ALL, 766 mt7925_sniffer_interface_iter, dev); 767 } 768 769 out: 770 mt792x_mutex_release(dev); 771 772 return ret; 773 } 774 775 static void mt7925_configure_filter(struct ieee80211_hw *hw, 776 unsigned int changed_flags, 777 unsigned int *total_flags, 778 u64 multicast) 779 { 780 #define MT7925_FILTER_FCSFAIL BIT(2) 781 #define MT7925_FILTER_CONTROL BIT(5) 782 #define MT7925_FILTER_OTHER_BSS BIT(6) 783 #define MT7925_FILTER_ENABLE BIT(31) 784 struct mt792x_dev *dev = mt792x_hw_dev(hw); 785 u32 flags = MT7925_FILTER_ENABLE; 786 787 #define MT7925_FILTER(_fif, _type) do { \ 788 if (*total_flags & (_fif)) \ 789 flags |= MT7925_FILTER_##_type; \ 790 } while (0) 791 792 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 793 MT7925_FILTER(FIF_CONTROL, CONTROL); 794 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 795 796 mt792x_mutex_acquire(dev); 797 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 798 mt792x_mutex_release(dev); 799 800 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 801 } 802 803 static u8 804 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 805 bool beacon, bool mcast) 806 { 807 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; 808 struct mt76_phy *mphy = hw->priv; 809 u16 rate; 810 u8 i, idx, ht; 811 812 rate = mt76_connac2_mac_tx_rate_val(mphy, &vif->bss_conf, beacon, mcast); 813 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 814 815 if (beacon && ht) { 816 struct mt792x_dev *dev = mt792x_hw_dev(hw); 817 818 /* must odd index */ 819 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 820 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 821 return idx; 822 } 823 824 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 825 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 826 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 827 return MT792x_BASIC_RATES_TBL + i; 828 829 return mvif->basic_rates_idx; 830 } 831 832 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, 833 struct ieee80211_vif *vif, 834 struct ieee80211_link_sta *link_sta) 835 { 836 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 837 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 838 struct ieee80211_bss_conf *link_conf; 839 struct mt792x_bss_conf *mconf; 840 u8 link_id = link_sta->link_id; 841 struct mt792x_link_sta *mlink; 842 struct mt792x_sta *msta; 843 struct mt76_wcid *wcid; 844 int ret, idx; 845 846 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 847 mlink = mt792x_sta_to_link(msta, link_id); 848 849 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 850 if (idx < 0) 851 return -ENOSPC; 852 853 mconf = mt792x_vif_to_link(mvif, link_id); 854 mt76_wcid_init(&mlink->wcid, 0); 855 mlink->wcid.sta = 1; 856 mlink->wcid.idx = idx; 857 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 858 mlink->last_txs = jiffies; 859 mlink->wcid.link_id = link_sta->link_id; 860 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 861 mlink->sta = msta; 862 863 wcid = &mlink->wcid; 864 ewma_signal_init(&wcid->rssi); 865 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 866 mt76_wcid_init(wcid, 0); 867 ewma_avg_signal_init(&mlink->avg_ack_signal); 868 memset(mlink->airtime_ac, 0, 869 sizeof(msta->deflink.airtime_ac)); 870 871 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 872 if (ret) 873 return ret; 874 875 mt7925_mac_wtbl_update(dev, idx, 876 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 877 878 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 879 880 /* should update bss info before STA add */ 881 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 882 if (ieee80211_vif_is_mld(vif)) 883 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 884 link_conf, link_sta, link_sta != mlink->pri_link); 885 else 886 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 887 link_conf, link_sta, false); 888 } 889 890 if (ieee80211_vif_is_mld(vif) && 891 link_sta == mlink->pri_link) { 892 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 893 MT76_STA_INFO_STATE_NONE); 894 if (ret) 895 return ret; 896 } else if (ieee80211_vif_is_mld(vif) && 897 link_sta != mlink->pri_link) { 898 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 899 true, MT76_STA_INFO_STATE_ASSOC); 900 if (ret) 901 return ret; 902 903 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 904 MT76_STA_INFO_STATE_ASSOC); 905 if (ret) 906 return ret; 907 } else { 908 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 909 MT76_STA_INFO_STATE_NONE); 910 if (ret) 911 return ret; 912 } 913 914 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 915 916 return 0; 917 } 918 919 static int 920 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 921 struct ieee80211_sta *sta, unsigned long new_links) 922 { 923 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 924 unsigned int link_id; 925 int err = 0; 926 927 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 928 struct ieee80211_link_sta *link_sta; 929 struct mt792x_link_sta *mlink; 930 931 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 932 mlink = &msta->deflink; 933 msta->deflink_id = link_id; 934 } else { 935 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); 936 if (!mlink) { 937 err = -ENOMEM; 938 break; 939 } 940 } 941 942 msta->valid_links |= BIT(link_id); 943 rcu_assign_pointer(msta->link[link_id], mlink); 944 mlink->sta = msta; 945 mlink->pri_link = &sta->deflink; 946 mlink->wcid.def_wcid = &msta->deflink.wcid; 947 948 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 949 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); 950 } 951 952 return err; 953 } 954 955 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 956 struct ieee80211_sta *sta) 957 { 958 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 959 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 960 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 961 int err; 962 963 msta->vif = mvif; 964 965 if (vif->type == NL80211_IFTYPE_STATION) 966 mvif->wep_sta = msta; 967 968 if (ieee80211_vif_is_mld(vif)) { 969 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 970 971 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 972 } else { 973 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink); 974 } 975 976 return err; 977 } 978 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 979 980 static u16 981 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 982 { 983 unsigned long usable_links = ieee80211_vif_usable_links(vif); 984 struct { 985 u8 link_id; 986 enum nl80211_band band; 987 } data[IEEE80211_MLD_MAX_NUM_LINKS]; 988 u8 link_id, i, j, n_data = 0; 989 u16 sel_links = 0; 990 991 if (!ieee80211_vif_is_mld(vif)) 992 return 0; 993 994 if (vif->active_links == usable_links) 995 return vif->active_links; 996 997 rcu_read_lock(); 998 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { 999 struct ieee80211_bss_conf *link_conf = 1000 rcu_dereference(vif->link_conf[link_id]); 1001 1002 if (WARN_ON_ONCE(!link_conf)) 1003 continue; 1004 1005 data[n_data].link_id = link_id; 1006 data[n_data].band = link_conf->chanreq.oper.chan->band; 1007 n_data++; 1008 } 1009 rcu_read_unlock(); 1010 1011 for (i = 0; i < n_data; i++) { 1012 if (!(BIT(data[i].link_id) & vif->active_links)) 1013 continue; 1014 1015 sel_links = BIT(data[i].link_id); 1016 1017 for (j = 0; j < n_data; j++) { 1018 if (data[i].band != data[j].band) { 1019 sel_links |= BIT(data[j].link_id); 1020 break; 1021 } 1022 } 1023 1024 break; 1025 } 1026 1027 return sel_links; 1028 } 1029 1030 static void 1031 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1032 { 1033 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1034 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1035 struct ieee80211_bss_conf *link_conf = 1036 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1037 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1038 enum nl80211_band band = chandef->chan->band, secondary_band; 1039 1040 u16 sel_links = mt7925_mac_select_links(mdev, vif); 1041 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1042 1043 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1044 return; 1045 1046 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1047 secondary_band = link_conf->chanreq.oper.chan->band; 1048 1049 if (band == NL80211_BAND_2GHZ || 1050 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1051 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1052 1053 mt792x_mutex_acquire(dev); 1054 1055 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1056 1057 mt792x_mutex_release(dev); 1058 } 1059 1060 ieee80211_set_active_links_async(vif, sel_links); 1061 } 1062 1063 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1064 struct ieee80211_vif *vif, 1065 struct ieee80211_link_sta *link_sta) 1066 { 1067 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1068 struct ieee80211_bss_conf *link_conf; 1069 struct mt792x_link_sta *mlink; 1070 struct mt792x_sta *msta; 1071 1072 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1073 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1074 1075 mt792x_mutex_acquire(dev); 1076 1077 if (ieee80211_vif_is_mld(vif)) { 1078 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1079 } else { 1080 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1081 } 1082 1083 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1084 struct mt792x_bss_conf *mconf; 1085 1086 mconf = mt792x_link_conf_to_mconf(link_conf); 1087 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1088 link_conf, link_sta, true); 1089 } 1090 1091 ewma_avg_signal_init(&mlink->avg_ack_signal); 1092 1093 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1094 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1095 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1096 1097 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 1098 1099 mt792x_mutex_release(dev); 1100 } 1101 1102 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1103 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1104 { 1105 struct ieee80211_link_sta *link_sta = &sta->deflink; 1106 1107 if (ev != MT76_STA_EVENT_ASSOC) 1108 return 0; 1109 1110 if (ieee80211_vif_is_mld(vif)) { 1111 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1112 1113 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1114 mt7925_mac_set_links(mdev, vif); 1115 } 1116 1117 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1118 1119 return 0; 1120 } 1121 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1122 1123 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1124 struct ieee80211_vif *vif, 1125 struct ieee80211_link_sta *link_sta) 1126 { 1127 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1128 struct ieee80211_bss_conf *link_conf; 1129 u8 link_id = link_sta->link_id; 1130 struct mt792x_link_sta *mlink; 1131 struct mt792x_sta *msta; 1132 1133 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1134 mlink = mt792x_sta_to_link(msta, link_id); 1135 1136 mt7925_roc_abort_sync(dev); 1137 1138 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid); 1139 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1140 1141 mt7925_mcu_sta_update(dev, link_sta, vif, false, 1142 MT76_STA_INFO_STATE_NONE); 1143 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1144 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1145 1146 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1147 1148 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1149 struct mt792x_bss_conf *mconf; 1150 1151 mconf = mt792x_link_conf_to_mconf(link_conf); 1152 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1153 } 1154 1155 spin_lock_bh(&mdev->sta_poll_lock); 1156 if (!list_empty(&mlink->wcid.poll_list)) 1157 list_del_init(&mlink->wcid.poll_list); 1158 spin_unlock_bh(&mdev->sta_poll_lock); 1159 1160 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1161 } 1162 1163 static int 1164 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1165 struct ieee80211_sta *sta, unsigned long old_links) 1166 { 1167 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1168 struct mt76_dev *mdev = &dev->mt76; 1169 struct mt76_wcid *wcid; 1170 unsigned int link_id; 1171 1172 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1173 struct ieee80211_link_sta *link_sta; 1174 struct mt792x_link_sta *mlink; 1175 1176 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1177 if (!link_sta) 1178 continue; 1179 1180 mlink = mt792x_sta_to_link(msta, link_id); 1181 if (!mlink) 1182 continue; 1183 1184 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); 1185 1186 wcid = &mlink->wcid; 1187 rcu_assign_pointer(msta->link[link_id], NULL); 1188 msta->valid_links &= ~BIT(link_id); 1189 mlink->sta = NULL; 1190 mlink->pri_link = NULL; 1191 1192 if (link_sta != mlink->pri_link) { 1193 mt76_wcid_cleanup(mdev, wcid); 1194 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 1195 } 1196 1197 if (msta->deflink_id == link_id) 1198 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1199 } 1200 1201 return 0; 1202 } 1203 1204 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1205 struct ieee80211_sta *sta) 1206 { 1207 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1208 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1209 struct { 1210 struct { 1211 u8 omac_idx; 1212 u8 band_idx; 1213 __le16 pad; 1214 } __packed hdr; 1215 struct req_tlv { 1216 __le16 tag; 1217 __le16 len; 1218 u8 active; 1219 u8 link_idx; /* hw link idx */ 1220 u8 omac_addr[ETH_ALEN]; 1221 } __packed tlv; 1222 } dev_req = { 1223 .hdr = { 1224 .omac_idx = 0, 1225 .band_idx = 0, 1226 }, 1227 .tlv = { 1228 .tag = cpu_to_le16(DEV_INFO_ACTIVE), 1229 .len = cpu_to_le16(sizeof(struct req_tlv)), 1230 .active = true, 1231 }, 1232 }; 1233 unsigned long rem; 1234 1235 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1236 1237 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1238 1239 if (ieee80211_vif_is_mld(vif)) { 1240 mt7925_mcu_set_dbdc(&dev->mphy, false); 1241 1242 /* recovery omac address for the legacy interface */ 1243 memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN); 1244 mt76_mcu_send_msg(mdev, MCU_UNI_CMD(DEV_INFO_UPDATE), 1245 &dev_req, sizeof(dev_req), true); 1246 } 1247 1248 if (vif->type == NL80211_IFTYPE_STATION) { 1249 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1250 1251 mvif->wep_sta = NULL; 1252 ewma_rssi_init(&mvif->bss_conf.rssi); 1253 } 1254 } 1255 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1256 1257 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 1258 { 1259 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1260 1261 mt792x_mutex_acquire(dev); 1262 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1263 mt792x_mutex_release(dev); 1264 1265 return 0; 1266 } 1267 1268 static int 1269 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1270 struct ieee80211_ampdu_params *params) 1271 { 1272 enum ieee80211_ampdu_mlme_action action = params->action; 1273 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1274 struct ieee80211_sta *sta = params->sta; 1275 struct ieee80211_txq *txq = sta->txq[params->tid]; 1276 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1277 u16 tid = params->tid; 1278 u16 ssn = params->ssn; 1279 struct mt76_txq *mtxq; 1280 int ret = 0; 1281 1282 if (!txq) 1283 return -EINVAL; 1284 1285 mtxq = (struct mt76_txq *)txq->drv_priv; 1286 1287 mt792x_mutex_acquire(dev); 1288 switch (action) { 1289 case IEEE80211_AMPDU_RX_START: 1290 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1291 params->buf_size); 1292 mt7925_mcu_uni_rx_ba(dev, vif, params, true); 1293 break; 1294 case IEEE80211_AMPDU_RX_STOP: 1295 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1296 mt7925_mcu_uni_rx_ba(dev, vif, params, false); 1297 break; 1298 case IEEE80211_AMPDU_TX_OPERATIONAL: 1299 mtxq->aggr = true; 1300 mtxq->send_bar = false; 1301 mt7925_mcu_uni_tx_ba(dev, vif, params, true); 1302 break; 1303 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1304 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1305 mtxq->aggr = false; 1306 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1307 mt7925_mcu_uni_tx_ba(dev, vif, params, false); 1308 break; 1309 case IEEE80211_AMPDU_TX_START: 1310 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1311 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1312 break; 1313 case IEEE80211_AMPDU_TX_STOP_CONT: 1314 mtxq->aggr = false; 1315 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1316 mt7925_mcu_uni_tx_ba(dev, vif, params, false); 1317 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1318 break; 1319 } 1320 mt792x_mutex_release(dev); 1321 1322 return ret; 1323 } 1324 1325 static bool is_valid_alpha2(const char *alpha2) 1326 { 1327 if (!alpha2) 1328 return false; 1329 1330 if (alpha2[0] == '0' && alpha2[1] == '0') 1331 return true; 1332 1333 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 1334 return true; 1335 1336 return false; 1337 } 1338 1339 void mt7925_scan_work(struct work_struct *work) 1340 { 1341 struct mt792x_phy *phy; 1342 1343 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1344 scan_work.work); 1345 1346 while (true) { 1347 struct mt76_dev *mdev = &phy->dev->mt76; 1348 struct sk_buff *skb; 1349 struct tlv *tlv; 1350 int tlv_len; 1351 1352 spin_lock_bh(&phy->dev->mt76.lock); 1353 skb = __skb_dequeue(&phy->scan_event_list); 1354 spin_unlock_bh(&phy->dev->mt76.lock); 1355 1356 if (!skb) 1357 break; 1358 1359 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1360 tlv = (struct tlv *)skb->data; 1361 tlv_len = skb->len; 1362 1363 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1364 struct mt7925_mcu_scan_chinfo_event *evt; 1365 1366 switch (le16_to_cpu(tlv->tag)) { 1367 case UNI_EVENT_SCAN_DONE_BASIC: 1368 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1369 struct cfg80211_scan_info info = { 1370 .aborted = false, 1371 }; 1372 ieee80211_scan_completed(phy->mt76->hw, &info); 1373 } 1374 break; 1375 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1376 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1377 1378 if (!is_valid_alpha2(evt->alpha2)) 1379 break; 1380 1381 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 1382 break; 1383 1384 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 1385 1386 break; 1387 case UNI_EVENT_SCAN_DONE_NLO: 1388 ieee80211_sched_scan_results(phy->mt76->hw); 1389 break; 1390 default: 1391 break; 1392 } 1393 1394 tlv_len -= le16_to_cpu(tlv->len); 1395 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1396 } 1397 1398 dev_kfree_skb(skb); 1399 } 1400 } 1401 1402 static int 1403 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1404 struct ieee80211_scan_request *req) 1405 { 1406 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1407 struct mt76_phy *mphy = hw->priv; 1408 int err; 1409 1410 mt792x_mutex_acquire(dev); 1411 err = mt7925_mcu_hw_scan(mphy, vif, req); 1412 mt792x_mutex_release(dev); 1413 1414 return err; 1415 } 1416 1417 static void 1418 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1419 { 1420 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1421 struct mt76_phy *mphy = hw->priv; 1422 1423 mt792x_mutex_acquire(dev); 1424 mt7925_mcu_cancel_hw_scan(mphy, vif); 1425 mt792x_mutex_release(dev); 1426 } 1427 1428 static int 1429 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1430 struct cfg80211_sched_scan_request *req, 1431 struct ieee80211_scan_ies *ies) 1432 { 1433 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1434 struct mt76_phy *mphy = hw->priv; 1435 int err; 1436 1437 mt792x_mutex_acquire(dev); 1438 1439 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1440 if (err < 0) 1441 goto out; 1442 1443 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1444 out: 1445 mt792x_mutex_release(dev); 1446 1447 return err; 1448 } 1449 1450 static int 1451 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1452 { 1453 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1454 struct mt76_phy *mphy = hw->priv; 1455 int err; 1456 1457 mt792x_mutex_acquire(dev); 1458 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1459 mt792x_mutex_release(dev); 1460 1461 return err; 1462 } 1463 1464 static int 1465 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1466 { 1467 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1468 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1469 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1470 1471 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1472 return -EINVAL; 1473 1474 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1475 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1476 1477 mt792x_mutex_acquire(dev); 1478 1479 phy->mt76->antenna_mask = tx_ant; 1480 phy->mt76->chainmask = tx_ant; 1481 1482 mt76_set_stream_caps(phy->mt76, true); 1483 mt7925_set_stream_he_eht_caps(phy); 1484 1485 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1486 mt792x_mutex_release(dev); 1487 1488 return 0; 1489 } 1490 1491 #ifdef CONFIG_PM 1492 static int mt7925_suspend(struct ieee80211_hw *hw, 1493 struct cfg80211_wowlan *wowlan) 1494 { 1495 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1496 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1497 1498 cancel_delayed_work_sync(&phy->scan_work); 1499 cancel_delayed_work_sync(&phy->mt76->mac_work); 1500 1501 cancel_delayed_work_sync(&dev->pm.ps_work); 1502 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1503 1504 mt792x_mutex_acquire(dev); 1505 1506 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1507 ieee80211_iterate_active_interfaces(hw, 1508 IEEE80211_IFACE_ITER_RESUME_ALL, 1509 mt7925_mcu_set_suspend_iter, 1510 &dev->mphy); 1511 1512 mt792x_mutex_release(dev); 1513 1514 return 0; 1515 } 1516 1517 static int mt7925_resume(struct ieee80211_hw *hw) 1518 { 1519 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1520 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1521 1522 mt792x_mutex_acquire(dev); 1523 1524 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1525 ieee80211_iterate_active_interfaces(hw, 1526 IEEE80211_IFACE_ITER_RESUME_ALL, 1527 mt7925_mcu_set_suspend_iter, 1528 &dev->mphy); 1529 1530 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1531 MT792x_WATCHDOG_TIME); 1532 1533 mt792x_mutex_release(dev); 1534 1535 return 0; 1536 } 1537 1538 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1539 struct ieee80211_vif *vif, 1540 struct cfg80211_gtk_rekey_data *data) 1541 { 1542 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1543 1544 mt792x_mutex_acquire(dev); 1545 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1546 mt792x_mutex_release(dev); 1547 } 1548 #endif /* CONFIG_PM */ 1549 1550 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1551 struct ieee80211_vif *vif, 1552 struct ieee80211_sta *sta, 1553 bool enabled) 1554 { 1555 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1556 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1557 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1558 unsigned long valid = mvif->valid_links; 1559 u8 i; 1560 1561 mt792x_mutex_acquire(dev); 1562 1563 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1564 1565 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1566 struct mt792x_link_sta *mlink; 1567 1568 mlink = mt792x_sta_to_link(msta, i); 1569 1570 if (enabled) 1571 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1572 else 1573 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1574 1575 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i); 1576 } 1577 1578 mt792x_mutex_release(dev); 1579 } 1580 1581 #if IS_ENABLED(CONFIG_IPV6) 1582 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1583 struct ieee80211_bss_conf *link_conf, 1584 struct inet6_dev *idev) 1585 { 1586 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1587 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1588 struct inet6_ifaddr *ifa; 1589 struct sk_buff *skb; 1590 u8 idx = 0; 1591 1592 struct { 1593 struct { 1594 u8 bss_idx; 1595 u8 pad[3]; 1596 } __packed hdr; 1597 struct mt7925_arpns_tlv arpns; 1598 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1599 } req_hdr = { 1600 .hdr = { 1601 .bss_idx = mconf->mt76.idx, 1602 }, 1603 .arpns = { 1604 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1605 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1606 .enable = true, 1607 }, 1608 }; 1609 1610 read_lock_bh(&idev->lock); 1611 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1612 if (ifa->flags & IFA_F_TENTATIVE) 1613 continue; 1614 req_hdr.ns_addrs[idx] = ifa->addr; 1615 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1616 break; 1617 } 1618 read_unlock_bh(&idev->lock); 1619 1620 if (!idx) 1621 return; 1622 1623 req_hdr.arpns.ips_num = idx; 1624 1625 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1626 0, GFP_ATOMIC); 1627 if (!skb) 1628 return; 1629 1630 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1631 1632 skb_queue_tail(&dev->ipv6_ns_list, skb); 1633 1634 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1635 } 1636 1637 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1638 struct ieee80211_vif *vif, 1639 struct inet6_dev *idev) 1640 { 1641 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1642 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1643 mvif->valid_links : BIT(0); 1644 struct ieee80211_bss_conf *bss_conf; 1645 int i; 1646 1647 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1648 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1649 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1650 } 1651 } 1652 1653 #endif 1654 1655 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1656 const struct cfg80211_sar_specs *sar) 1657 { 1658 struct mt76_phy *mphy = hw->priv; 1659 1660 if (sar) { 1661 int err = mt76_init_sar_power(hw, sar); 1662 1663 if (err) 1664 return err; 1665 } 1666 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1667 1668 return mt7925_mcu_set_rate_txpower(mphy); 1669 } 1670 1671 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1672 const struct cfg80211_sar_specs *sar) 1673 { 1674 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1675 int err; 1676 1677 mt792x_mutex_acquire(dev); 1678 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1679 dev->country_ie_env); 1680 if (err < 0) 1681 goto out; 1682 1683 err = mt7925_set_tx_sar_pwr(hw, sar); 1684 out: 1685 mt792x_mutex_release(dev); 1686 1687 return err; 1688 } 1689 1690 static void 1691 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1692 struct ieee80211_vif *vif, 1693 struct cfg80211_chan_def *chandef) 1694 { 1695 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1696 1697 mt792x_mutex_acquire(dev); 1698 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1699 mt792x_mutex_release(dev); 1700 } 1701 1702 static int 1703 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1704 unsigned int link_id, u16 queue, 1705 const struct ieee80211_tx_queue_params *params) 1706 { 1707 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1708 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1709 static const u8 mq_to_aci[] = { 1710 [IEEE80211_AC_VO] = 3, 1711 [IEEE80211_AC_VI] = 2, 1712 [IEEE80211_AC_BE] = 0, 1713 [IEEE80211_AC_BK] = 1, 1714 }; 1715 1716 /* firmware uses access class index */ 1717 mconf->queue_params[mq_to_aci[queue]] = *params; 1718 1719 return 0; 1720 } 1721 1722 static int 1723 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1724 struct ieee80211_bss_conf *link_conf) 1725 { 1726 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1727 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1728 int err; 1729 1730 mt792x_mutex_acquire(dev); 1731 1732 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1733 link_conf, NULL, true); 1734 if (err) 1735 goto out; 1736 1737 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1738 if (err) 1739 goto out; 1740 1741 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1742 MT76_STA_INFO_STATE_NONE); 1743 out: 1744 mt792x_mutex_release(dev); 1745 1746 return err; 1747 } 1748 1749 static void 1750 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1751 struct ieee80211_bss_conf *link_conf) 1752 { 1753 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1754 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1755 int err; 1756 1757 mt792x_mutex_acquire(dev); 1758 1759 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1760 if (err) 1761 goto out; 1762 1763 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1764 NULL, false); 1765 1766 out: 1767 mt792x_mutex_release(dev); 1768 } 1769 1770 static int 1771 mt7925_add_chanctx(struct ieee80211_hw *hw, 1772 struct ieee80211_chanctx_conf *ctx) 1773 { 1774 return 0; 1775 } 1776 1777 static void 1778 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1779 struct ieee80211_chanctx_conf *ctx) 1780 { 1781 } 1782 1783 static void 1784 mt7925_change_chanctx(struct ieee80211_hw *hw, 1785 struct ieee80211_chanctx_conf *ctx, 1786 u32 changed) 1787 { 1788 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1789 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1790 struct mt792x_bss_conf *mconf; 1791 struct ieee80211_vif *vif; 1792 struct mt792x_vif *mvif; 1793 1794 if (!mctx->bss_conf) 1795 return; 1796 1797 mconf = mctx->bss_conf; 1798 mvif = mconf->vif; 1799 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1800 1801 mt792x_mutex_acquire(phy->dev); 1802 if (vif->type == NL80211_IFTYPE_MONITOR) { 1803 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1804 mt7925_mcu_config_sniffer(mvif, ctx); 1805 } else { 1806 if (ieee80211_vif_is_mld(vif)) { 1807 unsigned long valid = mvif->valid_links; 1808 u8 i; 1809 1810 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1811 mconf = mt792x_vif_to_link(mvif, i); 1812 if (mconf && mconf->mt76.ctx == ctx) 1813 break; 1814 } 1815 1816 } else { 1817 mconf = &mvif->bss_conf; 1818 } 1819 1820 if (mconf) { 1821 struct ieee80211_bss_conf *link_conf; 1822 1823 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1824 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1825 link_conf, ctx); 1826 } 1827 } 1828 1829 mt792x_mutex_release(phy->dev); 1830 } 1831 1832 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1833 struct ieee80211_vif *vif, 1834 struct ieee80211_prep_tx_info *info) 1835 { 1836 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1837 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1838 u16 duration = info->duration ? info->duration : 1839 jiffies_to_msecs(HZ); 1840 1841 mt792x_mutex_acquire(dev); 1842 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1843 mvif->bss_conf.mt76.ctx->def.chan, duration, 1844 MT7925_ROC_REQ_JOIN); 1845 mt792x_mutex_release(dev); 1846 } 1847 1848 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1849 struct ieee80211_vif *vif, 1850 struct ieee80211_prep_tx_info *info) 1851 { 1852 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1853 1854 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1855 } 1856 1857 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1858 struct ieee80211_vif *vif, 1859 u64 changed) 1860 { 1861 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1862 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1863 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1864 mvif->valid_links : BIT(0); 1865 struct ieee80211_bss_conf *bss_conf; 1866 int i; 1867 1868 mt792x_mutex_acquire(dev); 1869 1870 if (changed & BSS_CHANGED_ASSOC) { 1871 mt7925_mcu_sta_update(dev, NULL, vif, true, 1872 MT76_STA_INFO_STATE_ASSOC); 1873 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1874 } 1875 1876 if (changed & BSS_CHANGED_ARP_FILTER) { 1877 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1878 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1879 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 1880 } 1881 } 1882 1883 if (changed & BSS_CHANGED_PS) { 1884 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1885 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1886 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1887 } 1888 } 1889 1890 mt792x_mutex_release(dev); 1891 } 1892 1893 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 1894 struct ieee80211_vif *vif, 1895 struct ieee80211_bss_conf *info, 1896 u64 changed) 1897 { 1898 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1899 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1900 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1901 struct mt792x_bss_conf *mconf; 1902 1903 mconf = mt792x_vif_to_link(mvif, info->link_id); 1904 1905 mt792x_mutex_acquire(dev); 1906 1907 if (changed & BSS_CHANGED_ERP_SLOT) { 1908 int slottime = info->use_short_slot ? 9 : 20; 1909 1910 if (slottime != phy->slottime) { 1911 phy->slottime = slottime; 1912 mt7925_mcu_set_timing(phy, info); 1913 } 1914 } 1915 1916 if (changed & BSS_CHANGED_MCAST_RATE) 1917 mconf->mt76.mcast_rates_idx = 1918 mt7925_get_rates_table(hw, vif, false, true); 1919 1920 if (changed & BSS_CHANGED_BASIC_RATES) 1921 mconf->mt76.basic_rates_idx = 1922 mt7925_get_rates_table(hw, vif, false, false); 1923 1924 if (changed & (BSS_CHANGED_BEACON | 1925 BSS_CHANGED_BEACON_ENABLED)) { 1926 mconf->mt76.beacon_rates_idx = 1927 mt7925_get_rates_table(hw, vif, true, false); 1928 1929 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 1930 info->enable_beacon); 1931 } 1932 1933 /* ensure that enable txcmd_mode after bss_info */ 1934 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 1935 mt7925_mcu_set_tx(dev, info); 1936 1937 if (changed & BSS_CHANGED_BSSID) { 1938 if (ieee80211_vif_is_mld(vif) && 1939 hweight16(mvif->valid_links) == 2) 1940 /* Indicate the secondary setup done */ 1941 mt7925_mcu_uni_bss_bcnft(dev, info, true); 1942 } 1943 1944 mt792x_mutex_release(dev); 1945 } 1946 1947 static int 1948 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1949 u16 old_links, u16 new_links, 1950 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 1951 { 1952 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 1953 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 1954 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1955 unsigned long add = new_links & ~old_links; 1956 unsigned long rem = old_links & ~new_links; 1957 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1958 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1959 struct ieee80211_bss_conf *link_conf; 1960 unsigned int link_id; 1961 int err; 1962 1963 if (old_links == new_links) 1964 return 0; 1965 1966 mt792x_mutex_acquire(dev); 1967 1968 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 1969 mconf = mt792x_vif_to_link(mvif, link_id); 1970 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 1971 1972 if (!mconf || !mlink) 1973 continue; 1974 1975 if (mconf != &mvif->bss_conf) { 1976 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1977 devm_kfree(dev->mt76.dev, mconf); 1978 devm_kfree(dev->mt76.dev, mlink); 1979 } 1980 1981 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1982 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1983 } 1984 1985 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1986 if (!old_links) { 1987 mvif->deflink_id = link_id; 1988 mconf = &mvif->bss_conf; 1989 mlink = &mvif->sta.deflink; 1990 } else { 1991 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 1992 GFP_KERNEL); 1993 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 1994 GFP_KERNEL); 1995 if (!mconf || !mlink) 1996 return -ENOMEM; 1997 } 1998 1999 mconfs[link_id] = mconf; 2000 mlinks[link_id] = mlink; 2001 mconf->link_id = link_id; 2002 mconf->vif = mvif; 2003 mlink->wcid.link_id = link_id; 2004 mlink->wcid.link_valid = !!vif->valid_links; 2005 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 2006 } 2007 2008 if (hweight16(mvif->valid_links) == 0) 2009 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 2010 &mvif->sta.deflink); 2011 2012 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2013 mconf = mconfs[link_id]; 2014 mlink = mlinks[link_id]; 2015 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 2016 2017 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 2018 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 2019 2020 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 2021 if (err < 0) 2022 goto free; 2023 2024 if (mconf != &mvif->bss_conf) { 2025 mt7925_mcu_set_bss_pm(dev, link_conf, true); 2026 2027 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 2028 vif->active_links); 2029 if (err < 0) 2030 goto free; 2031 } 2032 } 2033 2034 mvif->valid_links = new_links; 2035 2036 mt792x_mutex_release(dev); 2037 2038 return 0; 2039 2040 free: 2041 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2042 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2043 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2044 2045 if (mconf != &mvif->bss_conf) 2046 devm_kfree(dev->mt76.dev, mconfs[link_id]); 2047 if (mlink != &mvif->sta.deflink) 2048 devm_kfree(dev->mt76.dev, mlinks[link_id]); 2049 } 2050 2051 mt792x_mutex_release(dev); 2052 2053 return err; 2054 } 2055 2056 static int 2057 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2058 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2059 { 2060 unsigned long add = new_links & ~old_links; 2061 unsigned long rem = old_links & ~new_links; 2062 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2063 int err = 0; 2064 2065 if (old_links == new_links) 2066 return 0; 2067 2068 mt792x_mutex_acquire(dev); 2069 2070 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2071 if (err < 0) 2072 goto out; 2073 2074 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2075 if (err < 0) 2076 goto out; 2077 2078 out: 2079 mt792x_mutex_release(dev); 2080 2081 return err; 2082 } 2083 2084 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2085 struct ieee80211_vif *vif, 2086 struct ieee80211_bss_conf *link_conf, 2087 struct ieee80211_chanctx_conf *ctx) 2088 { 2089 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2090 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2091 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2092 struct ieee80211_bss_conf *pri_link_conf; 2093 struct mt792x_bss_conf *mconf; 2094 2095 mutex_lock(&dev->mt76.mutex); 2096 2097 if (ieee80211_vif_is_mld(vif)) { 2098 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2099 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2100 2101 if (vif->type == NL80211_IFTYPE_STATION && 2102 mconf == &mvif->bss_conf) 2103 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2104 NULL, true); 2105 } else { 2106 mconf = &mvif->bss_conf; 2107 } 2108 2109 mconf->mt76.ctx = ctx; 2110 mctx->bss_conf = mconf; 2111 mutex_unlock(&dev->mt76.mutex); 2112 2113 return 0; 2114 } 2115 2116 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2117 struct ieee80211_vif *vif, 2118 struct ieee80211_bss_conf *link_conf, 2119 struct ieee80211_chanctx_conf *ctx) 2120 { 2121 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2122 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2123 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2124 struct mt792x_bss_conf *mconf; 2125 2126 mutex_lock(&dev->mt76.mutex); 2127 2128 if (ieee80211_vif_is_mld(vif)) { 2129 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2130 2131 if (vif->type == NL80211_IFTYPE_STATION && 2132 mconf == &mvif->bss_conf) 2133 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf, 2134 NULL, false); 2135 } else { 2136 mconf = &mvif->bss_conf; 2137 } 2138 2139 mctx->bss_conf = NULL; 2140 mconf->mt76.ctx = NULL; 2141 mutex_unlock(&dev->mt76.mutex); 2142 } 2143 2144 const struct ieee80211_ops mt7925_ops = { 2145 .tx = mt792x_tx, 2146 .start = mt7925_start, 2147 .stop = mt792x_stop, 2148 .add_interface = mt7925_add_interface, 2149 .remove_interface = mt792x_remove_interface, 2150 .config = mt7925_config, 2151 .conf_tx = mt7925_conf_tx, 2152 .configure_filter = mt7925_configure_filter, 2153 .start_ap = mt7925_start_ap, 2154 .stop_ap = mt7925_stop_ap, 2155 .sta_state = mt76_sta_state, 2156 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2157 .set_key = mt7925_set_key, 2158 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2159 #if IS_ENABLED(CONFIG_IPV6) 2160 .ipv6_addr_change = mt7925_ipv6_addr_change, 2161 #endif /* CONFIG_IPV6 */ 2162 .ampdu_action = mt7925_ampdu_action, 2163 .set_rts_threshold = mt7925_set_rts_threshold, 2164 .wake_tx_queue = mt76_wake_tx_queue, 2165 .release_buffered_frames = mt76_release_buffered_frames, 2166 .channel_switch_beacon = mt7925_channel_switch_beacon, 2167 .get_txpower = mt76_get_txpower, 2168 .get_stats = mt792x_get_stats, 2169 .get_et_sset_count = mt792x_get_et_sset_count, 2170 .get_et_strings = mt792x_get_et_strings, 2171 .get_et_stats = mt792x_get_et_stats, 2172 .get_tsf = mt792x_get_tsf, 2173 .set_tsf = mt792x_set_tsf, 2174 .get_survey = mt76_get_survey, 2175 .get_antenna = mt76_get_antenna, 2176 .set_antenna = mt7925_set_antenna, 2177 .set_coverage_class = mt792x_set_coverage_class, 2178 .hw_scan = mt7925_hw_scan, 2179 .cancel_hw_scan = mt7925_cancel_hw_scan, 2180 .sta_statistics = mt792x_sta_statistics, 2181 .sched_scan_start = mt7925_start_sched_scan, 2182 .sched_scan_stop = mt7925_stop_sched_scan, 2183 #ifdef CONFIG_PM 2184 .suspend = mt7925_suspend, 2185 .resume = mt7925_resume, 2186 .set_wakeup = mt792x_set_wakeup, 2187 .set_rekey_data = mt7925_set_rekey_data, 2188 #endif /* CONFIG_PM */ 2189 .flush = mt792x_flush, 2190 .set_sar_specs = mt7925_set_sar_specs, 2191 .remain_on_channel = mt7925_remain_on_channel, 2192 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2193 .add_chanctx = mt7925_add_chanctx, 2194 .remove_chanctx = mt7925_remove_chanctx, 2195 .change_chanctx = mt7925_change_chanctx, 2196 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2197 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2198 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2199 .mgd_complete_tx = mt7925_mgd_complete_tx, 2200 .vif_cfg_changed = mt7925_vif_cfg_changed, 2201 .link_info_changed = mt7925_link_info_changed, 2202 .change_vif_links = mt7925_change_vif_links, 2203 .change_sta_links = mt7925_change_sta_links, 2204 }; 2205 EXPORT_SYMBOL_GPL(mt7925_ops); 2206 2207 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2208 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2209 MODULE_LICENSE("Dual BSD/GPL"); 2210