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, 376 &mlink->wcid, true); 377 if (ret) 378 goto out; 379 380 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx); 381 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx); 382 383 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx; 384 385 INIT_LIST_HEAD(&mlink->wcid.poll_list); 386 mlink->wcid.idx = idx; 387 mlink->wcid.phy_idx = mconf->mt76.band_idx; 388 mlink->wcid.hw_key_idx = -1; 389 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 390 mt76_wcid_init(&mlink->wcid); 391 392 mt7925_mac_wtbl_update(dev, idx, 393 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 394 395 ewma_rssi_init(&mconf->rssi); 396 397 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 398 if (vif->txq) { 399 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 400 mtxq->wcid = idx; 401 } 402 403 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 int ret, idx; 841 842 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 843 mlink = mt792x_sta_to_link(msta, link_id); 844 845 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 846 if (idx < 0) 847 return -ENOSPC; 848 849 mconf = mt792x_vif_to_link(mvif, link_id); 850 INIT_LIST_HEAD(&mlink->wcid.poll_list); 851 mlink->wcid.sta = 1; 852 mlink->wcid.idx = idx; 853 mlink->wcid.phy_idx = mconf->mt76.band_idx; 854 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 855 mlink->last_txs = jiffies; 856 mlink->wcid.link_id = link_sta->link_id; 857 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 858 859 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 860 if (ret) 861 return ret; 862 863 mt7925_mac_wtbl_update(dev, idx, 864 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 865 866 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 867 868 /* should update bss info before STA add */ 869 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) 870 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 871 link_conf, link_sta, false); 872 873 if (ieee80211_vif_is_mld(vif) && 874 link_sta == mlink->pri_link) { 875 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 876 MT76_STA_INFO_STATE_NONE); 877 if (ret) 878 return ret; 879 } else if (ieee80211_vif_is_mld(vif) && 880 link_sta != mlink->pri_link) { 881 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 882 true, MT76_STA_INFO_STATE_ASSOC); 883 if (ret) 884 return ret; 885 886 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 887 MT76_STA_INFO_STATE_ASSOC); 888 if (ret) 889 return ret; 890 } else { 891 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 892 MT76_STA_INFO_STATE_NONE); 893 if (ret) 894 return ret; 895 } 896 897 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 898 899 return 0; 900 } 901 902 static int 903 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 904 struct ieee80211_sta *sta, unsigned long new_links) 905 { 906 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 907 struct mt76_wcid *wcid; 908 unsigned int link_id; 909 int err = 0; 910 911 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 912 struct ieee80211_link_sta *link_sta; 913 struct mt792x_link_sta *mlink; 914 915 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 916 mlink = &msta->deflink; 917 msta->deflink_id = link_id; 918 } else { 919 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); 920 if (!mlink) { 921 err = -ENOMEM; 922 break; 923 } 924 925 wcid = &mlink->wcid; 926 ewma_signal_init(&wcid->rssi); 927 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 928 mt76_wcid_init(wcid); 929 ewma_avg_signal_init(&mlink->avg_ack_signal); 930 memset(mlink->airtime_ac, 0, 931 sizeof(msta->deflink.airtime_ac)); 932 } 933 934 msta->valid_links |= BIT(link_id); 935 rcu_assign_pointer(msta->link[link_id], mlink); 936 mlink->sta = msta; 937 mlink->pri_link = &sta->deflink; 938 mlink->wcid.def_wcid = &msta->deflink.wcid; 939 940 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 941 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); 942 } 943 944 return err; 945 } 946 947 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 948 struct ieee80211_sta *sta) 949 { 950 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 951 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 952 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 953 int err; 954 955 msta->vif = mvif; 956 957 if (vif->type == NL80211_IFTYPE_STATION) 958 mvif->wep_sta = msta; 959 960 if (ieee80211_vif_is_mld(vif)) { 961 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 962 963 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 964 } else { 965 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink); 966 } 967 968 return err; 969 } 970 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 971 972 static u16 973 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 974 { 975 unsigned long usable_links = ieee80211_vif_usable_links(vif); 976 struct { 977 u8 link_id; 978 enum nl80211_band band; 979 } data[IEEE80211_MLD_MAX_NUM_LINKS]; 980 u8 link_id, i, j, n_data = 0; 981 u16 sel_links = 0; 982 983 if (!ieee80211_vif_is_mld(vif)) 984 return 0; 985 986 if (vif->active_links == usable_links) 987 return vif->active_links; 988 989 rcu_read_lock(); 990 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { 991 struct ieee80211_bss_conf *link_conf = 992 rcu_dereference(vif->link_conf[link_id]); 993 994 if (WARN_ON_ONCE(!link_conf)) 995 continue; 996 997 data[n_data].link_id = link_id; 998 data[n_data].band = link_conf->chanreq.oper.chan->band; 999 n_data++; 1000 } 1001 rcu_read_unlock(); 1002 1003 for (i = 0; i < n_data; i++) { 1004 if (!(BIT(data[i].link_id) & vif->active_links)) 1005 continue; 1006 1007 sel_links = BIT(data[i].link_id); 1008 1009 for (j = 0; j < n_data; j++) { 1010 if (data[i].band != data[j].band) { 1011 sel_links |= BIT(data[j].link_id); 1012 break; 1013 } 1014 } 1015 1016 break; 1017 } 1018 1019 return sel_links; 1020 } 1021 1022 static void 1023 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1024 { 1025 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1026 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1027 struct ieee80211_bss_conf *link_conf = 1028 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1029 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1030 enum nl80211_band band = chandef->chan->band, secondary_band; 1031 1032 u16 sel_links = mt7925_mac_select_links(mdev, vif); 1033 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1034 1035 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1036 return; 1037 1038 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1039 secondary_band = link_conf->chanreq.oper.chan->band; 1040 1041 if (band == NL80211_BAND_2GHZ || 1042 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1043 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1044 1045 mt792x_mutex_acquire(dev); 1046 1047 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1048 1049 mt792x_mutex_release(dev); 1050 } 1051 1052 ieee80211_set_active_links_async(vif, sel_links); 1053 } 1054 1055 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1056 struct ieee80211_vif *vif, 1057 struct ieee80211_link_sta *link_sta) 1058 { 1059 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1060 struct ieee80211_bss_conf *link_conf; 1061 struct mt792x_link_sta *mlink; 1062 struct mt792x_sta *msta; 1063 1064 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1065 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1066 1067 mt792x_mutex_acquire(dev); 1068 1069 if (ieee80211_vif_is_mld(vif)) { 1070 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1071 } else { 1072 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1073 } 1074 1075 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1076 struct mt792x_bss_conf *mconf; 1077 1078 mconf = mt792x_link_conf_to_mconf(link_conf); 1079 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1080 link_conf, link_sta, true); 1081 } 1082 1083 ewma_avg_signal_init(&mlink->avg_ack_signal); 1084 1085 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1086 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1087 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1088 1089 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 1090 1091 mt792x_mutex_release(dev); 1092 } 1093 1094 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1095 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1096 { 1097 struct ieee80211_link_sta *link_sta = &sta->deflink; 1098 1099 if (ev != MT76_STA_EVENT_ASSOC) 1100 return 0; 1101 1102 if (ieee80211_vif_is_mld(vif)) { 1103 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1104 1105 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1106 mt7925_mac_set_links(mdev, vif); 1107 } 1108 1109 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1110 1111 return 0; 1112 } 1113 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1114 1115 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1116 struct ieee80211_vif *vif, 1117 struct ieee80211_link_sta *link_sta) 1118 { 1119 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1120 struct ieee80211_bss_conf *link_conf; 1121 u8 link_id = link_sta->link_id; 1122 struct mt792x_link_sta *mlink; 1123 struct mt792x_sta *msta; 1124 1125 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1126 mlink = mt792x_sta_to_link(msta, link_id); 1127 1128 mt7925_roc_abort_sync(dev); 1129 1130 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid); 1131 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1132 1133 mt7925_mcu_sta_update(dev, link_sta, vif, false, 1134 MT76_STA_INFO_STATE_NONE); 1135 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1136 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1137 1138 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1139 1140 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1141 struct mt792x_bss_conf *mconf; 1142 1143 mconf = mt792x_link_conf_to_mconf(link_conf); 1144 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1145 link_sta, false); 1146 } 1147 1148 spin_lock_bh(&mdev->sta_poll_lock); 1149 if (!list_empty(&mlink->wcid.poll_list)) 1150 list_del_init(&mlink->wcid.poll_list); 1151 spin_unlock_bh(&mdev->sta_poll_lock); 1152 1153 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1154 } 1155 1156 static int 1157 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1158 struct ieee80211_sta *sta, unsigned long old_links) 1159 { 1160 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1161 struct mt76_dev *mdev = &dev->mt76; 1162 struct mt76_wcid *wcid; 1163 unsigned int link_id; 1164 1165 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1166 struct ieee80211_link_sta *link_sta; 1167 struct mt792x_link_sta *mlink; 1168 1169 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1170 if (!link_sta) 1171 continue; 1172 1173 mlink = mt792x_sta_to_link(msta, link_id); 1174 if (!mlink) 1175 continue; 1176 1177 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); 1178 1179 wcid = &mlink->wcid; 1180 rcu_assign_pointer(msta->link[link_id], NULL); 1181 msta->valid_links &= ~BIT(link_id); 1182 mlink->sta = NULL; 1183 mlink->pri_link = NULL; 1184 1185 if (link_sta != mlink->pri_link) { 1186 mt76_wcid_cleanup(mdev, wcid); 1187 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 1188 mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx); 1189 } 1190 1191 if (msta->deflink_id == link_id) 1192 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1193 } 1194 1195 return 0; 1196 } 1197 1198 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1199 struct ieee80211_sta *sta) 1200 { 1201 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1202 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1203 unsigned long rem; 1204 1205 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1206 1207 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1208 1209 if (vif->type == NL80211_IFTYPE_STATION) { 1210 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1211 1212 mvif->wep_sta = NULL; 1213 ewma_rssi_init(&mvif->bss_conf.rssi); 1214 } 1215 } 1216 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1217 1218 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 1219 { 1220 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1221 1222 mt792x_mutex_acquire(dev); 1223 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1224 mt792x_mutex_release(dev); 1225 1226 return 0; 1227 } 1228 1229 static int 1230 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1231 struct ieee80211_ampdu_params *params) 1232 { 1233 enum ieee80211_ampdu_mlme_action action = params->action; 1234 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1235 struct ieee80211_sta *sta = params->sta; 1236 struct ieee80211_txq *txq = sta->txq[params->tid]; 1237 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1238 u16 tid = params->tid; 1239 u16 ssn = params->ssn; 1240 struct mt76_txq *mtxq; 1241 int ret = 0; 1242 1243 if (!txq) 1244 return -EINVAL; 1245 1246 mtxq = (struct mt76_txq *)txq->drv_priv; 1247 1248 mt792x_mutex_acquire(dev); 1249 switch (action) { 1250 case IEEE80211_AMPDU_RX_START: 1251 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1252 params->buf_size); 1253 mt7925_mcu_uni_rx_ba(dev, params, true); 1254 break; 1255 case IEEE80211_AMPDU_RX_STOP: 1256 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1257 mt7925_mcu_uni_rx_ba(dev, params, false); 1258 break; 1259 case IEEE80211_AMPDU_TX_OPERATIONAL: 1260 mtxq->aggr = true; 1261 mtxq->send_bar = false; 1262 mt7925_mcu_uni_tx_ba(dev, params, true); 1263 break; 1264 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1265 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1266 mtxq->aggr = false; 1267 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1268 mt7925_mcu_uni_tx_ba(dev, params, false); 1269 break; 1270 case IEEE80211_AMPDU_TX_START: 1271 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1272 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1273 break; 1274 case IEEE80211_AMPDU_TX_STOP_CONT: 1275 mtxq->aggr = false; 1276 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1277 mt7925_mcu_uni_tx_ba(dev, params, false); 1278 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1279 break; 1280 } 1281 mt792x_mutex_release(dev); 1282 1283 return ret; 1284 } 1285 1286 static bool is_valid_alpha2(const char *alpha2) 1287 { 1288 if (!alpha2) 1289 return false; 1290 1291 if (alpha2[0] == '0' && alpha2[1] == '0') 1292 return true; 1293 1294 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 1295 return true; 1296 1297 return false; 1298 } 1299 1300 void mt7925_scan_work(struct work_struct *work) 1301 { 1302 struct mt792x_phy *phy; 1303 1304 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1305 scan_work.work); 1306 1307 while (true) { 1308 struct mt76_dev *mdev = &phy->dev->mt76; 1309 struct sk_buff *skb; 1310 struct tlv *tlv; 1311 int tlv_len; 1312 1313 spin_lock_bh(&phy->dev->mt76.lock); 1314 skb = __skb_dequeue(&phy->scan_event_list); 1315 spin_unlock_bh(&phy->dev->mt76.lock); 1316 1317 if (!skb) 1318 break; 1319 1320 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1321 tlv = (struct tlv *)skb->data; 1322 tlv_len = skb->len; 1323 1324 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1325 struct mt7925_mcu_scan_chinfo_event *evt; 1326 1327 switch (le16_to_cpu(tlv->tag)) { 1328 case UNI_EVENT_SCAN_DONE_BASIC: 1329 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1330 struct cfg80211_scan_info info = { 1331 .aborted = false, 1332 }; 1333 ieee80211_scan_completed(phy->mt76->hw, &info); 1334 } 1335 break; 1336 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1337 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1338 1339 if (!is_valid_alpha2(evt->alpha2)) 1340 break; 1341 1342 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 1343 break; 1344 1345 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 1346 1347 break; 1348 case UNI_EVENT_SCAN_DONE_NLO: 1349 ieee80211_sched_scan_results(phy->mt76->hw); 1350 break; 1351 default: 1352 break; 1353 } 1354 1355 tlv_len -= le16_to_cpu(tlv->len); 1356 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1357 } 1358 1359 dev_kfree_skb(skb); 1360 } 1361 } 1362 1363 static int 1364 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1365 struct ieee80211_scan_request *req) 1366 { 1367 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1368 struct mt76_phy *mphy = hw->priv; 1369 int err; 1370 1371 mt792x_mutex_acquire(dev); 1372 err = mt7925_mcu_hw_scan(mphy, vif, req); 1373 mt792x_mutex_release(dev); 1374 1375 return err; 1376 } 1377 1378 static void 1379 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1380 { 1381 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1382 struct mt76_phy *mphy = hw->priv; 1383 1384 mt792x_mutex_acquire(dev); 1385 mt7925_mcu_cancel_hw_scan(mphy, vif); 1386 mt792x_mutex_release(dev); 1387 } 1388 1389 static int 1390 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1391 struct cfg80211_sched_scan_request *req, 1392 struct ieee80211_scan_ies *ies) 1393 { 1394 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1395 struct mt76_phy *mphy = hw->priv; 1396 int err; 1397 1398 mt792x_mutex_acquire(dev); 1399 1400 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1401 if (err < 0) 1402 goto out; 1403 1404 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1405 out: 1406 mt792x_mutex_release(dev); 1407 1408 return err; 1409 } 1410 1411 static int 1412 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1413 { 1414 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1415 struct mt76_phy *mphy = hw->priv; 1416 int err; 1417 1418 mt792x_mutex_acquire(dev); 1419 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1420 mt792x_mutex_release(dev); 1421 1422 return err; 1423 } 1424 1425 static int 1426 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1427 { 1428 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1429 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1430 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1431 1432 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1433 return -EINVAL; 1434 1435 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1436 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1437 1438 mt792x_mutex_acquire(dev); 1439 1440 phy->mt76->antenna_mask = tx_ant; 1441 phy->mt76->chainmask = tx_ant; 1442 1443 mt76_set_stream_caps(phy->mt76, true); 1444 mt7925_set_stream_he_eht_caps(phy); 1445 1446 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1447 mt792x_mutex_release(dev); 1448 1449 return 0; 1450 } 1451 1452 #ifdef CONFIG_PM 1453 static int mt7925_suspend(struct ieee80211_hw *hw, 1454 struct cfg80211_wowlan *wowlan) 1455 { 1456 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1457 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1458 1459 cancel_delayed_work_sync(&phy->scan_work); 1460 cancel_delayed_work_sync(&phy->mt76->mac_work); 1461 1462 cancel_delayed_work_sync(&dev->pm.ps_work); 1463 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1464 1465 mt792x_mutex_acquire(dev); 1466 1467 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1468 ieee80211_iterate_active_interfaces(hw, 1469 IEEE80211_IFACE_ITER_RESUME_ALL, 1470 mt7925_mcu_set_suspend_iter, 1471 &dev->mphy); 1472 1473 mt792x_mutex_release(dev); 1474 1475 return 0; 1476 } 1477 1478 static int mt7925_resume(struct ieee80211_hw *hw) 1479 { 1480 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1481 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1482 1483 mt792x_mutex_acquire(dev); 1484 1485 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1486 ieee80211_iterate_active_interfaces(hw, 1487 IEEE80211_IFACE_ITER_RESUME_ALL, 1488 mt7925_mcu_set_suspend_iter, 1489 &dev->mphy); 1490 1491 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1492 MT792x_WATCHDOG_TIME); 1493 1494 mt792x_mutex_release(dev); 1495 1496 return 0; 1497 } 1498 1499 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1500 struct ieee80211_vif *vif, 1501 struct cfg80211_gtk_rekey_data *data) 1502 { 1503 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1504 1505 mt792x_mutex_acquire(dev); 1506 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1507 mt792x_mutex_release(dev); 1508 } 1509 #endif /* CONFIG_PM */ 1510 1511 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1512 struct ieee80211_vif *vif, 1513 struct ieee80211_sta *sta, 1514 bool enabled) 1515 { 1516 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1517 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1518 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1519 unsigned long valid = mvif->valid_links; 1520 u8 i; 1521 1522 mt792x_mutex_acquire(dev); 1523 1524 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1525 1526 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1527 struct mt792x_link_sta *mlink; 1528 1529 mlink = mt792x_sta_to_link(msta, i); 1530 1531 if (enabled) 1532 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1533 else 1534 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1535 1536 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i); 1537 } 1538 1539 mt792x_mutex_release(dev); 1540 } 1541 1542 #if IS_ENABLED(CONFIG_IPV6) 1543 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1544 struct ieee80211_bss_conf *link_conf, 1545 struct inet6_dev *idev) 1546 { 1547 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1548 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1549 struct inet6_ifaddr *ifa; 1550 struct sk_buff *skb; 1551 u8 idx = 0; 1552 1553 struct { 1554 struct { 1555 u8 bss_idx; 1556 u8 pad[3]; 1557 } __packed hdr; 1558 struct mt7925_arpns_tlv arpns; 1559 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1560 } req_hdr = { 1561 .hdr = { 1562 .bss_idx = mconf->mt76.idx, 1563 }, 1564 .arpns = { 1565 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1566 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1567 .enable = true, 1568 }, 1569 }; 1570 1571 read_lock_bh(&idev->lock); 1572 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1573 if (ifa->flags & IFA_F_TENTATIVE) 1574 continue; 1575 req_hdr.ns_addrs[idx] = ifa->addr; 1576 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1577 break; 1578 } 1579 read_unlock_bh(&idev->lock); 1580 1581 if (!idx) 1582 return; 1583 1584 req_hdr.arpns.ips_num = idx; 1585 1586 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1587 0, GFP_ATOMIC); 1588 if (!skb) 1589 return; 1590 1591 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1592 1593 skb_queue_tail(&dev->ipv6_ns_list, skb); 1594 1595 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1596 } 1597 1598 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1599 struct ieee80211_vif *vif, 1600 struct inet6_dev *idev) 1601 { 1602 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1603 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1604 mvif->valid_links : BIT(0); 1605 struct ieee80211_bss_conf *bss_conf; 1606 int i; 1607 1608 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1609 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1610 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1611 } 1612 } 1613 1614 #endif 1615 1616 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1617 const struct cfg80211_sar_specs *sar) 1618 { 1619 struct mt76_phy *mphy = hw->priv; 1620 1621 if (sar) { 1622 int err = mt76_init_sar_power(hw, sar); 1623 1624 if (err) 1625 return err; 1626 } 1627 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1628 1629 return mt7925_mcu_set_rate_txpower(mphy); 1630 } 1631 1632 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1633 const struct cfg80211_sar_specs *sar) 1634 { 1635 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1636 int err; 1637 1638 mt792x_mutex_acquire(dev); 1639 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1640 dev->country_ie_env); 1641 if (err < 0) 1642 goto out; 1643 1644 err = mt7925_set_tx_sar_pwr(hw, sar); 1645 out: 1646 mt792x_mutex_release(dev); 1647 1648 return err; 1649 } 1650 1651 static void 1652 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1653 struct ieee80211_vif *vif, 1654 struct cfg80211_chan_def *chandef) 1655 { 1656 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1657 1658 mt792x_mutex_acquire(dev); 1659 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1660 mt792x_mutex_release(dev); 1661 } 1662 1663 static int 1664 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1665 unsigned int link_id, u16 queue, 1666 const struct ieee80211_tx_queue_params *params) 1667 { 1668 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1669 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1670 static const u8 mq_to_aci[] = { 1671 [IEEE80211_AC_VO] = 3, 1672 [IEEE80211_AC_VI] = 2, 1673 [IEEE80211_AC_BE] = 0, 1674 [IEEE80211_AC_BK] = 1, 1675 }; 1676 1677 /* firmware uses access class index */ 1678 mconf->queue_params[mq_to_aci[queue]] = *params; 1679 1680 return 0; 1681 } 1682 1683 static int 1684 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1685 struct ieee80211_bss_conf *link_conf) 1686 { 1687 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1688 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1689 int err; 1690 1691 mt792x_mutex_acquire(dev); 1692 1693 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1694 link_conf, NULL, true); 1695 if (err) 1696 goto out; 1697 1698 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1699 if (err) 1700 goto out; 1701 1702 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1703 MT76_STA_INFO_STATE_NONE); 1704 out: 1705 mt792x_mutex_release(dev); 1706 1707 return err; 1708 } 1709 1710 static void 1711 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1712 struct ieee80211_bss_conf *link_conf) 1713 { 1714 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1715 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1716 int err; 1717 1718 mt792x_mutex_acquire(dev); 1719 1720 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1721 if (err) 1722 goto out; 1723 1724 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1725 NULL, false); 1726 1727 out: 1728 mt792x_mutex_release(dev); 1729 } 1730 1731 static int 1732 mt7925_add_chanctx(struct ieee80211_hw *hw, 1733 struct ieee80211_chanctx_conf *ctx) 1734 { 1735 return 0; 1736 } 1737 1738 static void 1739 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1740 struct ieee80211_chanctx_conf *ctx) 1741 { 1742 } 1743 1744 static void 1745 mt7925_change_chanctx(struct ieee80211_hw *hw, 1746 struct ieee80211_chanctx_conf *ctx, 1747 u32 changed) 1748 { 1749 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1750 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1751 struct mt792x_bss_conf *mconf; 1752 struct ieee80211_vif *vif; 1753 struct mt792x_vif *mvif; 1754 1755 if (!mctx->bss_conf) 1756 return; 1757 1758 mconf = mctx->bss_conf; 1759 mvif = mconf->vif; 1760 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1761 1762 mt792x_mutex_acquire(phy->dev); 1763 if (vif->type == NL80211_IFTYPE_MONITOR) { 1764 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1765 mt7925_mcu_config_sniffer(mvif, ctx); 1766 } else { 1767 if (ieee80211_vif_is_mld(vif)) { 1768 unsigned long valid = mvif->valid_links; 1769 u8 i; 1770 1771 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1772 mconf = mt792x_vif_to_link(mvif, i); 1773 if (mconf && mconf->mt76.ctx == ctx) 1774 break; 1775 } 1776 1777 } else { 1778 mconf = &mvif->bss_conf; 1779 } 1780 1781 if (mconf) { 1782 struct ieee80211_bss_conf *link_conf; 1783 1784 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1785 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1786 link_conf, ctx); 1787 } 1788 } 1789 1790 mt792x_mutex_release(phy->dev); 1791 } 1792 1793 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1794 struct ieee80211_vif *vif, 1795 struct ieee80211_prep_tx_info *info) 1796 { 1797 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1798 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1799 u16 duration = info->duration ? info->duration : 1800 jiffies_to_msecs(HZ); 1801 1802 mt792x_mutex_acquire(dev); 1803 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1804 mvif->bss_conf.mt76.ctx->def.chan, duration, 1805 MT7925_ROC_REQ_JOIN); 1806 mt792x_mutex_release(dev); 1807 } 1808 1809 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1810 struct ieee80211_vif *vif, 1811 struct ieee80211_prep_tx_info *info) 1812 { 1813 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1814 1815 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1816 } 1817 1818 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1819 struct ieee80211_vif *vif, 1820 u64 changed) 1821 { 1822 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1823 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1824 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1825 mvif->valid_links : BIT(0); 1826 struct ieee80211_bss_conf *bss_conf; 1827 int i; 1828 1829 mt792x_mutex_acquire(dev); 1830 1831 if (changed & BSS_CHANGED_ASSOC) { 1832 mt7925_mcu_sta_update(dev, NULL, vif, true, 1833 MT76_STA_INFO_STATE_ASSOC); 1834 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1835 } 1836 1837 if (changed & BSS_CHANGED_ARP_FILTER) { 1838 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1839 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1840 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 1841 } 1842 } 1843 1844 if (changed & BSS_CHANGED_PS) { 1845 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1846 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1847 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1848 } 1849 } 1850 1851 mt792x_mutex_release(dev); 1852 } 1853 1854 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 1855 struct ieee80211_vif *vif, 1856 struct ieee80211_bss_conf *info, 1857 u64 changed) 1858 { 1859 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1860 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1861 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1862 struct mt792x_bss_conf *mconf; 1863 1864 mconf = mt792x_vif_to_link(mvif, info->link_id); 1865 1866 mt792x_mutex_acquire(dev); 1867 1868 if (changed & BSS_CHANGED_ERP_SLOT) { 1869 int slottime = info->use_short_slot ? 9 : 20; 1870 1871 if (slottime != phy->slottime) { 1872 phy->slottime = slottime; 1873 mt7925_mcu_set_timing(phy, info); 1874 } 1875 } 1876 1877 if (changed & BSS_CHANGED_MCAST_RATE) 1878 mconf->mt76.mcast_rates_idx = 1879 mt7925_get_rates_table(hw, vif, false, true); 1880 1881 if (changed & BSS_CHANGED_BASIC_RATES) 1882 mconf->mt76.basic_rates_idx = 1883 mt7925_get_rates_table(hw, vif, false, false); 1884 1885 if (changed & (BSS_CHANGED_BEACON | 1886 BSS_CHANGED_BEACON_ENABLED)) { 1887 mconf->mt76.beacon_rates_idx = 1888 mt7925_get_rates_table(hw, vif, true, false); 1889 1890 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 1891 info->enable_beacon); 1892 } 1893 1894 /* ensure that enable txcmd_mode after bss_info */ 1895 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 1896 mt7925_mcu_set_tx(dev, info); 1897 1898 mt792x_mutex_release(dev); 1899 } 1900 1901 static int 1902 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1903 u16 old_links, u16 new_links, 1904 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 1905 { 1906 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 1907 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 1908 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1909 unsigned long add = new_links & ~old_links; 1910 unsigned long rem = old_links & ~new_links; 1911 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1912 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1913 struct ieee80211_bss_conf *link_conf; 1914 unsigned int link_id; 1915 int err; 1916 1917 if (old_links == new_links) 1918 return 0; 1919 1920 mt792x_mutex_acquire(dev); 1921 1922 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 1923 mconf = mt792x_vif_to_link(mvif, link_id); 1924 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 1925 1926 if (!mconf || !mlink) 1927 continue; 1928 1929 if (mconf != &mvif->bss_conf) { 1930 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1931 devm_kfree(dev->mt76.dev, mconf); 1932 devm_kfree(dev->mt76.dev, mlink); 1933 } 1934 1935 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1936 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1937 } 1938 1939 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1940 if (!old_links) { 1941 mvif->deflink_id = link_id; 1942 mconf = &mvif->bss_conf; 1943 mlink = &mvif->sta.deflink; 1944 } else { 1945 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 1946 GFP_KERNEL); 1947 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 1948 GFP_KERNEL); 1949 } 1950 1951 mconfs[link_id] = mconf; 1952 mlinks[link_id] = mlink; 1953 mconf->link_id = link_id; 1954 mconf->vif = mvif; 1955 mlink->wcid.link_id = link_id; 1956 mlink->wcid.link_valid = !!vif->valid_links; 1957 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 1958 } 1959 1960 if (hweight16(mvif->valid_links) == 0) 1961 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 1962 &mvif->sta.deflink); 1963 1964 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1965 mconf = mconfs[link_id]; 1966 mlink = mlinks[link_id]; 1967 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1968 1969 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 1970 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 1971 1972 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 1973 if (err < 0) 1974 goto free; 1975 1976 if (mconf != &mvif->bss_conf) { 1977 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 1978 vif->active_links); 1979 if (err < 0) 1980 goto free; 1981 } 1982 } 1983 1984 mvif->valid_links = new_links; 1985 1986 mt792x_mutex_release(dev); 1987 1988 return 0; 1989 1990 free: 1991 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 1992 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 1993 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 1994 1995 if (mconf != &mvif->bss_conf) 1996 devm_kfree(dev->mt76.dev, mconfs[link_id]); 1997 if (mlink != &mvif->sta.deflink) 1998 devm_kfree(dev->mt76.dev, mlinks[link_id]); 1999 } 2000 2001 mt792x_mutex_release(dev); 2002 2003 return err; 2004 } 2005 2006 static int 2007 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2008 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2009 { 2010 unsigned long add = new_links & ~old_links; 2011 unsigned long rem = old_links & ~new_links; 2012 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2013 int err = 0; 2014 2015 if (old_links == new_links) 2016 return 0; 2017 2018 mt792x_mutex_acquire(dev); 2019 2020 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2021 if (err < 0) 2022 goto out; 2023 2024 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2025 if (err < 0) 2026 goto out; 2027 2028 out: 2029 mt792x_mutex_release(dev); 2030 2031 return err; 2032 } 2033 2034 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2035 struct ieee80211_vif *vif, 2036 struct ieee80211_bss_conf *link_conf, 2037 struct ieee80211_chanctx_conf *ctx) 2038 { 2039 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2040 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2041 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2042 struct ieee80211_bss_conf *pri_link_conf; 2043 struct mt792x_bss_conf *mconf; 2044 2045 mutex_lock(&dev->mt76.mutex); 2046 2047 if (ieee80211_vif_is_mld(vif)) { 2048 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2049 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2050 2051 if (vif->type == NL80211_IFTYPE_STATION && 2052 mconf == &mvif->bss_conf) 2053 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2054 NULL, true); 2055 } else { 2056 mconf = &mvif->bss_conf; 2057 } 2058 2059 mconf->mt76.ctx = ctx; 2060 mctx->bss_conf = mconf; 2061 mutex_unlock(&dev->mt76.mutex); 2062 2063 return 0; 2064 } 2065 2066 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2067 struct ieee80211_vif *vif, 2068 struct ieee80211_bss_conf *link_conf, 2069 struct ieee80211_chanctx_conf *ctx) 2070 { 2071 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2072 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2073 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2074 struct ieee80211_bss_conf *pri_link_conf; 2075 struct mt792x_bss_conf *mconf; 2076 2077 mutex_lock(&dev->mt76.mutex); 2078 2079 if (ieee80211_vif_is_mld(vif)) { 2080 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2081 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2082 2083 if (vif->type == NL80211_IFTYPE_STATION && 2084 mconf == &mvif->bss_conf) 2085 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2086 NULL, false); 2087 } else { 2088 mconf = &mvif->bss_conf; 2089 } 2090 2091 mctx->bss_conf = NULL; 2092 mconf->mt76.ctx = NULL; 2093 mutex_unlock(&dev->mt76.mutex); 2094 } 2095 2096 const struct ieee80211_ops mt7925_ops = { 2097 .tx = mt792x_tx, 2098 .start = mt7925_start, 2099 .stop = mt792x_stop, 2100 .add_interface = mt7925_add_interface, 2101 .remove_interface = mt792x_remove_interface, 2102 .config = mt7925_config, 2103 .conf_tx = mt7925_conf_tx, 2104 .configure_filter = mt7925_configure_filter, 2105 .start_ap = mt7925_start_ap, 2106 .stop_ap = mt7925_stop_ap, 2107 .sta_state = mt76_sta_state, 2108 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2109 .set_key = mt7925_set_key, 2110 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2111 #if IS_ENABLED(CONFIG_IPV6) 2112 .ipv6_addr_change = mt7925_ipv6_addr_change, 2113 #endif /* CONFIG_IPV6 */ 2114 .ampdu_action = mt7925_ampdu_action, 2115 .set_rts_threshold = mt7925_set_rts_threshold, 2116 .wake_tx_queue = mt76_wake_tx_queue, 2117 .release_buffered_frames = mt76_release_buffered_frames, 2118 .channel_switch_beacon = mt7925_channel_switch_beacon, 2119 .get_txpower = mt76_get_txpower, 2120 .get_stats = mt792x_get_stats, 2121 .get_et_sset_count = mt792x_get_et_sset_count, 2122 .get_et_strings = mt792x_get_et_strings, 2123 .get_et_stats = mt792x_get_et_stats, 2124 .get_tsf = mt792x_get_tsf, 2125 .set_tsf = mt792x_set_tsf, 2126 .get_survey = mt76_get_survey, 2127 .get_antenna = mt76_get_antenna, 2128 .set_antenna = mt7925_set_antenna, 2129 .set_coverage_class = mt792x_set_coverage_class, 2130 .hw_scan = mt7925_hw_scan, 2131 .cancel_hw_scan = mt7925_cancel_hw_scan, 2132 .sta_statistics = mt792x_sta_statistics, 2133 .sched_scan_start = mt7925_start_sched_scan, 2134 .sched_scan_stop = mt7925_stop_sched_scan, 2135 #ifdef CONFIG_PM 2136 .suspend = mt7925_suspend, 2137 .resume = mt7925_resume, 2138 .set_wakeup = mt792x_set_wakeup, 2139 .set_rekey_data = mt7925_set_rekey_data, 2140 #endif /* CONFIG_PM */ 2141 .flush = mt792x_flush, 2142 .set_sar_specs = mt7925_set_sar_specs, 2143 .remain_on_channel = mt7925_remain_on_channel, 2144 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2145 .add_chanctx = mt7925_add_chanctx, 2146 .remove_chanctx = mt7925_remove_chanctx, 2147 .change_chanctx = mt7925_change_chanctx, 2148 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2149 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2150 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2151 .mgd_complete_tx = mt7925_mgd_complete_tx, 2152 .vif_cfg_changed = mt7925_vif_cfg_changed, 2153 .link_info_changed = mt7925_link_info_changed, 2154 .change_vif_links = mt7925_change_vif_links, 2155 .change_sta_links = mt7925_change_sta_links, 2156 }; 2157 EXPORT_SYMBOL_GPL(mt7925_ops); 2158 2159 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2160 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2161 MODULE_LICENSE("Dual BSD/GPL"); 2162