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_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(0, 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 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 364 mconf->mt76.idx = MT792x_MAX_INTERFACES; 365 } else { 366 mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask); 367 368 if (mconf->mt76.idx >= MT792x_MAX_INTERFACES) { 369 ret = -ENOSPC; 370 goto out; 371 } 372 } 373 374 mconf->mt76.omac_idx = ieee80211_vif_is_mld(vif) ? 375 0 : mconf->mt76.idx; 376 mconf->mt76.band_idx = 0xff; 377 mconf->mt76.wmm_idx = ieee80211_vif_is_mld(vif) ? 378 0 : mconf->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 379 mconf->mt76.link_idx = hweight16(mvif->valid_links); 380 381 if (mvif->phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 382 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 383 else 384 mconf->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 385 386 dev->mt76.vif_mask |= BIT_ULL(mconf->mt76.idx); 387 mvif->phy->omac_mask |= BIT_ULL(mconf->mt76.omac_idx); 388 389 idx = MT792x_WTBL_RESERVED - mconf->mt76.idx; 390 391 mlink->wcid.idx = idx; 392 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 393 mt76_wcid_init(&mlink->wcid, 0); 394 395 mt7925_mac_wtbl_update(dev, idx, 396 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 397 398 ewma_rssi_init(&mconf->rssi); 399 400 rcu_assign_pointer(dev->mt76.wcid[idx], &mlink->wcid); 401 402 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, link_conf, &mconf->mt76, 403 &mlink->wcid, true); 404 if (ret) 405 goto out; 406 407 if (vif->txq) { 408 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 409 mtxq->wcid = idx; 410 } 411 412 out: 413 return ret; 414 } 415 416 static int 417 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 418 { 419 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 420 struct mt792x_dev *dev = mt792x_hw_dev(hw); 421 struct mt792x_phy *phy = mt792x_hw_phy(hw); 422 int ret = 0; 423 424 mt792x_mutex_acquire(dev); 425 426 mvif->phy = phy; 427 mvif->bss_conf.vif = mvif; 428 mvif->sta.vif = mvif; 429 mvif->deflink_id = IEEE80211_LINK_UNSPECIFIED; 430 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC; 431 432 ret = mt7925_mac_link_bss_add(dev, &vif->bss_conf, &mvif->sta.deflink); 433 if (ret < 0) 434 goto out; 435 436 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 437 out: 438 mt792x_mutex_release(dev); 439 440 return ret; 441 } 442 443 static void mt7925_roc_iter(void *priv, u8 *mac, 444 struct ieee80211_vif *vif) 445 { 446 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 447 struct mt792x_phy *phy = priv; 448 449 mt7925_mcu_abort_roc(phy, &mvif->bss_conf, phy->roc_token_id); 450 } 451 452 void mt7925_roc_abort_sync(struct mt792x_dev *dev) 453 { 454 struct mt792x_phy *phy = &dev->phy; 455 456 timer_delete_sync(&phy->roc_timer); 457 cancel_work_sync(&phy->roc_work); 458 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 459 ieee80211_iterate_interfaces(mt76_hw(dev), 460 IEEE80211_IFACE_ITER_RESUME_ALL, 461 mt7925_roc_iter, (void *)phy); 462 } 463 EXPORT_SYMBOL_GPL(mt7925_roc_abort_sync); 464 465 void mt7925_roc_work(struct work_struct *work) 466 { 467 struct mt792x_phy *phy; 468 469 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 470 roc_work); 471 472 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 473 return; 474 475 mt792x_mutex_acquire(phy->dev); 476 ieee80211_iterate_active_interfaces(phy->mt76->hw, 477 IEEE80211_IFACE_ITER_RESUME_ALL, 478 mt7925_roc_iter, phy); 479 mt792x_mutex_release(phy->dev); 480 ieee80211_remain_on_channel_expired(phy->mt76->hw); 481 } 482 483 static int mt7925_abort_roc(struct mt792x_phy *phy, 484 struct mt792x_bss_conf *mconf) 485 { 486 int err = 0; 487 488 timer_delete_sync(&phy->roc_timer); 489 cancel_work_sync(&phy->roc_work); 490 491 mt792x_mutex_acquire(phy->dev); 492 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 493 err = mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 494 mt792x_mutex_release(phy->dev); 495 496 return err; 497 } 498 499 static int mt7925_set_roc(struct mt792x_phy *phy, 500 struct mt792x_bss_conf *mconf, 501 struct ieee80211_channel *chan, 502 int duration, 503 enum mt7925_roc_req type) 504 { 505 int err; 506 507 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 508 return -EBUSY; 509 510 phy->roc_grant = false; 511 512 err = mt7925_mcu_set_roc(phy, mconf, chan, duration, type, 513 ++phy->roc_token_id); 514 if (err < 0) { 515 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 516 goto out; 517 } 518 519 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 520 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 521 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 522 err = -ETIMEDOUT; 523 } 524 525 out: 526 return err; 527 } 528 529 static int mt7925_set_mlo_roc(struct mt792x_phy *phy, 530 struct mt792x_bss_conf *mconf, 531 u16 sel_links) 532 { 533 int err; 534 535 if (WARN_ON_ONCE(test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))) 536 return -EBUSY; 537 538 phy->roc_grant = false; 539 540 err = mt7925_mcu_set_mlo_roc(mconf, sel_links, 5, ++phy->roc_token_id); 541 if (err < 0) { 542 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 543 goto out; 544 } 545 546 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 547 mt7925_mcu_abort_roc(phy, mconf, phy->roc_token_id); 548 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 549 err = -ETIMEDOUT; 550 } 551 552 out: 553 return err; 554 } 555 556 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 557 struct ieee80211_vif *vif, 558 struct ieee80211_channel *chan, 559 int duration, 560 enum ieee80211_roc_type type) 561 { 562 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 563 struct mt792x_phy *phy = mt792x_hw_phy(hw); 564 int err; 565 566 mt792x_mutex_acquire(phy->dev); 567 err = mt7925_set_roc(phy, &mvif->bss_conf, 568 chan, duration, MT7925_ROC_REQ_ROC); 569 mt792x_mutex_release(phy->dev); 570 571 return err; 572 } 573 574 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 575 struct ieee80211_vif *vif) 576 { 577 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 578 struct mt792x_phy *phy = mt792x_hw_phy(hw); 579 580 return mt7925_abort_roc(phy, &mvif->bss_conf); 581 } 582 583 static int mt7925_set_link_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 584 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 585 struct ieee80211_key_conf *key, int link_id) 586 { 587 struct mt792x_dev *dev = mt792x_hw_dev(hw); 588 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 589 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 590 &mvif->sta; 591 struct ieee80211_bss_conf *link_conf; 592 struct ieee80211_link_sta *link_sta; 593 int idx = key->keyidx, err = 0; 594 struct mt792x_link_sta *mlink; 595 struct mt792x_bss_conf *mconf; 596 struct mt76_wcid *wcid; 597 u8 *wcid_keyidx; 598 599 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 600 link_sta = sta ? mt792x_sta_to_link_sta(vif, sta, link_id) : NULL; 601 mconf = mt792x_vif_to_link(mvif, link_id); 602 mlink = mt792x_sta_to_link(msta, link_id); 603 wcid = &mlink->wcid; 604 wcid_keyidx = &wcid->hw_key_idx; 605 606 /* fall back to sw encryption for unsupported ciphers */ 607 switch (key->cipher) { 608 case WLAN_CIPHER_SUITE_AES_CMAC: 609 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 610 wcid_keyidx = &wcid->hw_key_idx2; 611 break; 612 case WLAN_CIPHER_SUITE_WEP40: 613 case WLAN_CIPHER_SUITE_WEP104: 614 if (!mvif->wep_sta) 615 return -EOPNOTSUPP; 616 break; 617 case WLAN_CIPHER_SUITE_TKIP: 618 case WLAN_CIPHER_SUITE_CCMP: 619 case WLAN_CIPHER_SUITE_CCMP_256: 620 case WLAN_CIPHER_SUITE_GCMP: 621 case WLAN_CIPHER_SUITE_GCMP_256: 622 case WLAN_CIPHER_SUITE_SMS4: 623 break; 624 default: 625 return -EOPNOTSUPP; 626 } 627 628 if (cmd == SET_KEY && !mconf->mt76.cipher) { 629 struct mt792x_phy *phy = mt792x_hw_phy(hw); 630 631 mconf->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 632 mt7925_mcu_add_bss_info(phy, mconf->mt76.ctx, link_conf, 633 link_sta, true); 634 } 635 636 if (cmd == SET_KEY) 637 *wcid_keyidx = idx; 638 else if (idx == *wcid_keyidx) 639 *wcid_keyidx = -1; 640 else 641 goto out; 642 643 mt76_wcid_key_setup(&dev->mt76, wcid, 644 cmd == SET_KEY ? key : NULL); 645 646 err = mt7925_mcu_add_key(&dev->mt76, vif, &mlink->bip, 647 key, MCU_UNI_CMD(STA_REC_UPDATE), 648 &mlink->wcid, cmd, msta); 649 650 if (err) 651 goto out; 652 653 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 654 key->cipher == WLAN_CIPHER_SUITE_WEP40) 655 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->deflink.bip, 656 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 657 &mvif->wep_sta->deflink.wcid, cmd, msta); 658 out: 659 return err; 660 } 661 662 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 663 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 664 struct ieee80211_key_conf *key) 665 { 666 struct mt792x_dev *dev = mt792x_hw_dev(hw); 667 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 668 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 669 &mvif->sta; 670 int err; 671 672 /* The hardware does not support per-STA RX GTK, fallback 673 * to software mode for these. 674 */ 675 if ((vif->type == NL80211_IFTYPE_ADHOC || 676 vif->type == NL80211_IFTYPE_MESH_POINT) && 677 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 678 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 679 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 680 return -EOPNOTSUPP; 681 682 mt792x_mutex_acquire(dev); 683 684 if (ieee80211_vif_is_mld(vif)) { 685 unsigned int link_id; 686 unsigned long add; 687 688 add = key->link_id != -1 ? BIT(key->link_id) : msta->valid_links; 689 690 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 691 err = mt7925_set_link_key(hw, cmd, vif, sta, key, link_id); 692 if (err < 0) 693 break; 694 } 695 } else { 696 err = mt7925_set_link_key(hw, cmd, vif, sta, key, vif->bss_conf.link_id); 697 } 698 699 mt792x_mutex_release(dev); 700 701 return err; 702 } 703 704 static void 705 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 706 { 707 struct mt792x_dev *dev = priv; 708 struct ieee80211_hw *hw = mt76_hw(dev); 709 bool pm_enable = dev->pm.enable; 710 int err; 711 712 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 713 if (err < 0) 714 return; 715 716 if (pm_enable) { 717 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 718 ieee80211_hw_set(hw, CONNECTION_MONITOR); 719 } else { 720 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 721 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 722 } 723 } 724 725 static void 726 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 727 { 728 struct mt792x_dev *dev = priv; 729 struct ieee80211_hw *hw = mt76_hw(dev); 730 struct mt76_connac_pm *pm = &dev->pm; 731 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 732 733 mt7925_mcu_set_sniffer(dev, vif, monitor); 734 pm->enable = pm->enable_user && !monitor; 735 pm->ds_enable = pm->ds_enable_user && !monitor; 736 737 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 738 739 if (monitor) 740 mt7925_mcu_set_beacon_filter(dev, vif, false); 741 } 742 743 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 744 { 745 struct ieee80211_hw *hw = mt76_hw(dev); 746 struct mt76_connac_pm *pm = &dev->pm; 747 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 748 749 pm->enable = pm->enable_user && !monitor; 750 ieee80211_iterate_active_interfaces(hw, 751 IEEE80211_IFACE_ITER_RESUME_ALL, 752 mt7925_pm_interface_iter, dev); 753 pm->ds_enable = pm->ds_enable_user && !monitor; 754 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 755 } 756 757 static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 758 { 759 struct mt792x_dev *dev = mt792x_hw_dev(hw); 760 int ret = 0; 761 762 mt792x_mutex_acquire(dev); 763 764 if (changed & IEEE80211_CONF_CHANGE_POWER) { 765 ret = mt7925_set_tx_sar_pwr(hw, NULL); 766 if (ret) 767 goto out; 768 } 769 770 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 771 ieee80211_iterate_active_interfaces(hw, 772 IEEE80211_IFACE_ITER_RESUME_ALL, 773 mt7925_sniffer_interface_iter, dev); 774 } 775 776 out: 777 mt792x_mutex_release(dev); 778 779 return ret; 780 } 781 782 static void mt7925_configure_filter(struct ieee80211_hw *hw, 783 unsigned int changed_flags, 784 unsigned int *total_flags, 785 u64 multicast) 786 { 787 #define MT7925_FILTER_FCSFAIL BIT(2) 788 #define MT7925_FILTER_CONTROL BIT(5) 789 #define MT7925_FILTER_OTHER_BSS BIT(6) 790 #define MT7925_FILTER_ENABLE BIT(31) 791 struct mt792x_dev *dev = mt792x_hw_dev(hw); 792 u32 flags = MT7925_FILTER_ENABLE; 793 794 #define MT7925_FILTER(_fif, _type) do { \ 795 if (*total_flags & (_fif)) \ 796 flags |= MT7925_FILTER_##_type; \ 797 } while (0) 798 799 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 800 MT7925_FILTER(FIF_CONTROL, CONTROL); 801 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 802 803 mt792x_mutex_acquire(dev); 804 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 805 mt792x_mutex_release(dev); 806 807 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 808 } 809 810 static u8 811 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 812 bool beacon, bool mcast) 813 { 814 struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv; 815 struct mt76_phy *mphy = hw->priv; 816 u16 rate; 817 u8 i, idx, ht; 818 819 rate = mt76_connac2_mac_tx_rate_val(mphy, &vif->bss_conf, beacon, mcast); 820 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 821 822 if (beacon && ht) { 823 struct mt792x_dev *dev = mt792x_hw_dev(hw); 824 825 /* must odd index */ 826 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 827 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 828 return idx; 829 } 830 831 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 832 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 833 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 834 return MT792x_BASIC_RATES_TBL + i; 835 836 return mvif->basic_rates_idx; 837 } 838 839 static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, 840 struct ieee80211_vif *vif, 841 struct ieee80211_link_sta *link_sta) 842 { 843 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 844 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 845 struct ieee80211_bss_conf *link_conf; 846 struct mt792x_bss_conf *mconf; 847 u8 link_id = link_sta->link_id; 848 struct mt792x_link_sta *mlink; 849 struct mt792x_sta *msta; 850 struct mt76_wcid *wcid; 851 int ret, idx; 852 853 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 854 mlink = mt792x_sta_to_link(msta, link_id); 855 856 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 857 if (idx < 0) 858 return -ENOSPC; 859 860 mconf = mt792x_vif_to_link(mvif, link_id); 861 mt76_wcid_init(&mlink->wcid, 0); 862 mlink->wcid.sta = 1; 863 mlink->wcid.idx = idx; 864 mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET; 865 mlink->last_txs = jiffies; 866 mlink->wcid.link_id = link_sta->link_id; 867 mlink->wcid.link_valid = !!link_sta->sta->valid_links; 868 mlink->sta = msta; 869 870 wcid = &mlink->wcid; 871 ewma_signal_init(&wcid->rssi); 872 rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); 873 mt76_wcid_init(wcid, 0); 874 ewma_avg_signal_init(&mlink->avg_ack_signal); 875 memset(mlink->airtime_ac, 0, 876 sizeof(msta->deflink.airtime_ac)); 877 878 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 879 if (ret) 880 return ret; 881 882 mt7925_mac_wtbl_update(dev, idx, 883 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 884 885 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 886 887 /* should update bss info before STA add */ 888 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 889 if (ieee80211_vif_is_mld(vif)) 890 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 891 link_conf, link_sta, link_sta != mlink->pri_link); 892 else 893 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 894 link_conf, link_sta, false); 895 } 896 897 if (ieee80211_vif_is_mld(vif) && 898 link_sta == mlink->pri_link) { 899 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 900 MT76_STA_INFO_STATE_NONE); 901 if (ret) 902 return ret; 903 } else if (ieee80211_vif_is_mld(vif) && 904 link_sta != mlink->pri_link) { 905 ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, 906 true, MT76_STA_INFO_STATE_ASSOC); 907 if (ret) 908 return ret; 909 910 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 911 MT76_STA_INFO_STATE_ASSOC); 912 if (ret) 913 return ret; 914 } else { 915 ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, 916 MT76_STA_INFO_STATE_NONE); 917 if (ret) 918 return ret; 919 } 920 921 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 922 923 return 0; 924 } 925 926 static int 927 mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 928 struct ieee80211_sta *sta, unsigned long new_links) 929 { 930 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 931 unsigned int link_id; 932 int err = 0; 933 934 for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { 935 struct ieee80211_link_sta *link_sta; 936 struct mt792x_link_sta *mlink; 937 938 if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { 939 mlink = &msta->deflink; 940 msta->deflink_id = link_id; 941 } else { 942 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); 943 if (!mlink) { 944 err = -ENOMEM; 945 break; 946 } 947 } 948 949 msta->valid_links |= BIT(link_id); 950 rcu_assign_pointer(msta->link[link_id], mlink); 951 mlink->sta = msta; 952 mlink->pri_link = &sta->deflink; 953 mlink->wcid.def_wcid = &msta->deflink.wcid; 954 955 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 956 mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); 957 } 958 959 return err; 960 } 961 962 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 963 struct ieee80211_sta *sta) 964 { 965 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 966 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 967 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 968 int err; 969 970 msta->vif = mvif; 971 972 if (vif->type == NL80211_IFTYPE_STATION) 973 mvif->wep_sta = msta; 974 975 if (ieee80211_vif_is_mld(vif)) { 976 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 977 978 err = mt7925_mac_sta_add_links(dev, vif, sta, sta->valid_links); 979 } else { 980 err = mt7925_mac_link_sta_add(mdev, vif, &sta->deflink); 981 } 982 983 return err; 984 } 985 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 986 987 static u16 988 mt7925_mac_select_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 989 { 990 unsigned long usable_links = ieee80211_vif_usable_links(vif); 991 struct { 992 u8 link_id; 993 enum nl80211_band band; 994 } data[IEEE80211_MLD_MAX_NUM_LINKS]; 995 u8 link_id, i, j, n_data = 0; 996 u16 sel_links = 0; 997 998 if (!ieee80211_vif_is_mld(vif)) 999 return 0; 1000 1001 if (vif->active_links == usable_links) 1002 return vif->active_links; 1003 1004 rcu_read_lock(); 1005 for_each_set_bit(link_id, &usable_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1006 struct ieee80211_bss_conf *link_conf = 1007 rcu_dereference(vif->link_conf[link_id]); 1008 1009 if (WARN_ON_ONCE(!link_conf)) 1010 continue; 1011 1012 data[n_data].link_id = link_id; 1013 data[n_data].band = link_conf->chanreq.oper.chan->band; 1014 n_data++; 1015 } 1016 rcu_read_unlock(); 1017 1018 for (i = 0; i < n_data; i++) { 1019 if (!(BIT(data[i].link_id) & vif->active_links)) 1020 continue; 1021 1022 sel_links = BIT(data[i].link_id); 1023 1024 for (j = 0; j < n_data; j++) { 1025 if (data[i].band != data[j].band) { 1026 sel_links |= BIT(data[j].link_id); 1027 break; 1028 } 1029 } 1030 1031 break; 1032 } 1033 1034 return sel_links; 1035 } 1036 1037 static void 1038 mt7925_mac_set_links(struct mt76_dev *mdev, struct ieee80211_vif *vif) 1039 { 1040 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1041 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1042 struct ieee80211_bss_conf *link_conf = 1043 mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 1044 struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper; 1045 enum nl80211_band band = chandef->chan->band, secondary_band; 1046 1047 u16 sel_links = mt7925_mac_select_links(mdev, vif); 1048 u8 secondary_link_id = __ffs(~BIT(mvif->deflink_id) & sel_links); 1049 1050 if (!ieee80211_vif_is_mld(vif) || hweight16(sel_links) < 2) 1051 return; 1052 1053 link_conf = mt792x_vif_to_bss_conf(vif, secondary_link_id); 1054 secondary_band = link_conf->chanreq.oper.chan->band; 1055 1056 if (band == NL80211_BAND_2GHZ || 1057 (band == NL80211_BAND_5GHZ && secondary_band == NL80211_BAND_6GHZ)) { 1058 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1059 1060 mt792x_mutex_acquire(dev); 1061 1062 mt7925_set_mlo_roc(mvif->phy, &mvif->bss_conf, sel_links); 1063 1064 mt792x_mutex_release(dev); 1065 } 1066 1067 ieee80211_set_active_links_async(vif, sel_links); 1068 } 1069 1070 static void mt7925_mac_link_sta_assoc(struct mt76_dev *mdev, 1071 struct ieee80211_vif *vif, 1072 struct ieee80211_link_sta *link_sta) 1073 { 1074 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1075 struct ieee80211_bss_conf *link_conf; 1076 struct mt792x_link_sta *mlink; 1077 struct mt792x_sta *msta; 1078 1079 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1080 mlink = mt792x_sta_to_link(msta, link_sta->link_id); 1081 1082 mt792x_mutex_acquire(dev); 1083 1084 if (ieee80211_vif_is_mld(vif)) { 1085 link_conf = mt792x_vif_to_bss_conf(vif, msta->deflink_id); 1086 } else { 1087 link_conf = mt792x_vif_to_bss_conf(vif, vif->bss_conf.link_id); 1088 } 1089 1090 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1091 struct mt792x_bss_conf *mconf; 1092 1093 mconf = mt792x_link_conf_to_mconf(link_conf); 1094 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, 1095 link_conf, link_sta, true); 1096 } 1097 1098 ewma_avg_signal_init(&mlink->avg_ack_signal); 1099 1100 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1101 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1102 memset(mlink->airtime_ac, 0, sizeof(mlink->airtime_ac)); 1103 1104 mt7925_mcu_sta_update(dev, link_sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 1105 1106 mt792x_mutex_release(dev); 1107 } 1108 1109 int mt7925_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1110 struct ieee80211_sta *sta, enum mt76_sta_event ev) 1111 { 1112 struct ieee80211_link_sta *link_sta = &sta->deflink; 1113 1114 if (ev != MT76_STA_EVENT_ASSOC) 1115 return 0; 1116 1117 if (ieee80211_vif_is_mld(vif)) { 1118 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1119 1120 link_sta = mt792x_sta_to_link_sta(vif, sta, msta->deflink_id); 1121 mt7925_mac_set_links(mdev, vif); 1122 } 1123 1124 mt7925_mac_link_sta_assoc(mdev, vif, link_sta); 1125 1126 return 0; 1127 } 1128 EXPORT_SYMBOL_GPL(mt7925_mac_sta_event); 1129 1130 static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, 1131 struct ieee80211_vif *vif, 1132 struct ieee80211_link_sta *link_sta) 1133 { 1134 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1135 struct ieee80211_bss_conf *link_conf; 1136 u8 link_id = link_sta->link_id; 1137 struct mt792x_link_sta *mlink; 1138 struct mt792x_sta *msta; 1139 1140 msta = (struct mt792x_sta *)link_sta->sta->drv_priv; 1141 mlink = mt792x_sta_to_link(msta, link_id); 1142 1143 mt7925_roc_abort_sync(dev); 1144 1145 mt76_connac_free_pending_tx_skbs(&dev->pm, &mlink->wcid); 1146 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 1147 1148 mt7925_mcu_sta_update(dev, link_sta, vif, false, 1149 MT76_STA_INFO_STATE_NONE); 1150 mt7925_mac_wtbl_update(dev, mlink->wcid.idx, 1151 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 1152 1153 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1154 1155 if (vif->type == NL80211_IFTYPE_STATION && !link_sta->sta->tdls) { 1156 struct mt792x_bss_conf *mconf; 1157 1158 mconf = mt792x_link_conf_to_mconf(link_conf); 1159 1160 if (ieee80211_vif_is_mld(vif)) 1161 mt792x_mac_link_bss_remove(dev, mconf, mlink); 1162 else 1163 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1164 link_sta, false); 1165 } 1166 1167 spin_lock_bh(&mdev->sta_poll_lock); 1168 if (!list_empty(&mlink->wcid.poll_list)) 1169 list_del_init(&mlink->wcid.poll_list); 1170 spin_unlock_bh(&mdev->sta_poll_lock); 1171 1172 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 1173 } 1174 1175 static int 1176 mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, 1177 struct ieee80211_sta *sta, unsigned long old_links) 1178 { 1179 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1180 struct mt76_dev *mdev = &dev->mt76; 1181 struct mt76_wcid *wcid; 1182 unsigned int link_id; 1183 1184 /* clean up bss before starec */ 1185 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1186 struct ieee80211_link_sta *link_sta; 1187 struct ieee80211_bss_conf *link_conf; 1188 struct mt792x_bss_conf *mconf; 1189 struct mt792x_link_sta *mlink; 1190 1191 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1192 if (!link_sta) 1193 continue; 1194 1195 mlink = mt792x_sta_to_link(msta, link_id); 1196 if (!mlink) 1197 continue; 1198 1199 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 1200 if (!link_conf) 1201 continue; 1202 1203 mconf = mt792x_link_conf_to_mconf(link_conf); 1204 1205 mt7925_mcu_add_bss_info(&dev->phy, mconf->mt76.ctx, link_conf, 1206 link_sta, false); 1207 } 1208 1209 for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { 1210 struct ieee80211_link_sta *link_sta; 1211 struct mt792x_link_sta *mlink; 1212 1213 link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); 1214 if (!link_sta) 1215 continue; 1216 1217 mlink = mt792x_sta_to_link(msta, link_id); 1218 if (!mlink) 1219 continue; 1220 1221 mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); 1222 1223 wcid = &mlink->wcid; 1224 rcu_assign_pointer(msta->link[link_id], NULL); 1225 msta->valid_links &= ~BIT(link_id); 1226 mlink->sta = NULL; 1227 mlink->pri_link = NULL; 1228 1229 if (link_sta != mlink->pri_link) { 1230 mt76_wcid_cleanup(mdev, wcid); 1231 mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); 1232 } 1233 1234 if (msta->deflink_id == link_id) 1235 msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; 1236 } 1237 1238 return 0; 1239 } 1240 1241 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 1242 struct ieee80211_sta *sta) 1243 { 1244 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 1245 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1246 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1247 unsigned long rem; 1248 1249 rem = ieee80211_vif_is_mld(vif) ? msta->valid_links : BIT(0); 1250 1251 mt7925_mac_sta_remove_links(dev, vif, sta, rem); 1252 1253 if (ieee80211_vif_is_mld(vif)) 1254 mt7925_mcu_del_dev(mdev, vif); 1255 1256 if (vif->type == NL80211_IFTYPE_STATION) { 1257 mvif->wep_sta = NULL; 1258 ewma_rssi_init(&mvif->bss_conf.rssi); 1259 } 1260 1261 mvif->mlo_pm_state = MT792x_MLO_LINK_DISASSOC; 1262 } 1263 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 1264 1265 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 1266 { 1267 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1268 1269 mt792x_mutex_acquire(dev); 1270 mt7925_mcu_set_rts_thresh(&dev->phy, val); 1271 mt792x_mutex_release(dev); 1272 1273 return 0; 1274 } 1275 1276 static int 1277 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1278 struct ieee80211_ampdu_params *params) 1279 { 1280 enum ieee80211_ampdu_mlme_action action = params->action; 1281 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1282 struct ieee80211_sta *sta = params->sta; 1283 struct ieee80211_txq *txq = sta->txq[params->tid]; 1284 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1285 u16 tid = params->tid; 1286 u16 ssn = params->ssn; 1287 struct mt76_txq *mtxq; 1288 int ret = 0; 1289 1290 if (!txq) 1291 return -EINVAL; 1292 1293 mtxq = (struct mt76_txq *)txq->drv_priv; 1294 1295 mt792x_mutex_acquire(dev); 1296 switch (action) { 1297 case IEEE80211_AMPDU_RX_START: 1298 mt76_rx_aggr_start(&dev->mt76, &msta->deflink.wcid, tid, ssn, 1299 params->buf_size); 1300 mt7925_mcu_uni_rx_ba(dev, params, true); 1301 break; 1302 case IEEE80211_AMPDU_RX_STOP: 1303 mt76_rx_aggr_stop(&dev->mt76, &msta->deflink.wcid, tid); 1304 mt7925_mcu_uni_rx_ba(dev, params, false); 1305 break; 1306 case IEEE80211_AMPDU_TX_OPERATIONAL: 1307 mtxq->aggr = true; 1308 mtxq->send_bar = false; 1309 mt7925_mcu_uni_tx_ba(dev, params, true); 1310 break; 1311 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1312 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1313 mtxq->aggr = false; 1314 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1315 mt7925_mcu_uni_tx_ba(dev, params, false); 1316 break; 1317 case IEEE80211_AMPDU_TX_START: 1318 set_bit(tid, &msta->deflink.wcid.ampdu_state); 1319 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 1320 break; 1321 case IEEE80211_AMPDU_TX_STOP_CONT: 1322 mtxq->aggr = false; 1323 clear_bit(tid, &msta->deflink.wcid.ampdu_state); 1324 mt7925_mcu_uni_tx_ba(dev, params, false); 1325 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 1326 break; 1327 } 1328 mt792x_mutex_release(dev); 1329 1330 return ret; 1331 } 1332 1333 static void 1334 mt7925_mlo_pm_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 1335 { 1336 struct mt792x_dev *dev = priv; 1337 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1338 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1339 mvif->valid_links : BIT(0); 1340 struct ieee80211_bss_conf *bss_conf; 1341 int i; 1342 1343 if (mvif->mlo_pm_state != MT792x_MLO_CHANGED_PS) 1344 return; 1345 1346 mt792x_mutex_acquire(dev); 1347 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1348 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1349 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1350 } 1351 mt792x_mutex_release(dev); 1352 } 1353 1354 void mt7925_mlo_pm_work(struct work_struct *work) 1355 { 1356 struct mt792x_dev *dev = container_of(work, struct mt792x_dev, 1357 mlo_pm_work.work); 1358 struct ieee80211_hw *hw = mt76_hw(dev); 1359 1360 ieee80211_iterate_active_interfaces(hw, 1361 IEEE80211_IFACE_ITER_RESUME_ALL, 1362 mt7925_mlo_pm_iter, dev); 1363 } 1364 1365 static bool is_valid_alpha2(const char *alpha2) 1366 { 1367 if (!alpha2) 1368 return false; 1369 1370 if (alpha2[0] == '0' && alpha2[1] == '0') 1371 return true; 1372 1373 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 1374 return true; 1375 1376 return false; 1377 } 1378 1379 void mt7925_scan_work(struct work_struct *work) 1380 { 1381 struct mt792x_phy *phy; 1382 1383 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 1384 scan_work.work); 1385 1386 while (true) { 1387 struct mt76_dev *mdev = &phy->dev->mt76; 1388 struct sk_buff *skb; 1389 struct tlv *tlv; 1390 int tlv_len; 1391 1392 spin_lock_bh(&phy->dev->mt76.lock); 1393 skb = __skb_dequeue(&phy->scan_event_list); 1394 spin_unlock_bh(&phy->dev->mt76.lock); 1395 1396 if (!skb) 1397 break; 1398 1399 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 1400 tlv = (struct tlv *)skb->data; 1401 tlv_len = skb->len; 1402 1403 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 1404 struct mt7925_mcu_scan_chinfo_event *evt; 1405 1406 switch (le16_to_cpu(tlv->tag)) { 1407 case UNI_EVENT_SCAN_DONE_BASIC: 1408 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 1409 struct cfg80211_scan_info info = { 1410 .aborted = false, 1411 }; 1412 ieee80211_scan_completed(phy->mt76->hw, &info); 1413 } 1414 break; 1415 case UNI_EVENT_SCAN_DONE_CHNLINFO: 1416 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 1417 1418 if (!is_valid_alpha2(evt->alpha2)) 1419 break; 1420 1421 mt7925_regd_be_ctrl(phy->dev, evt->alpha2); 1422 1423 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 1424 break; 1425 1426 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 1427 1428 break; 1429 case UNI_EVENT_SCAN_DONE_NLO: 1430 ieee80211_sched_scan_results(phy->mt76->hw); 1431 break; 1432 default: 1433 break; 1434 } 1435 1436 tlv_len -= le16_to_cpu(tlv->len); 1437 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 1438 } 1439 1440 dev_kfree_skb(skb); 1441 } 1442 } 1443 1444 static int 1445 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1446 struct ieee80211_scan_request *req) 1447 { 1448 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1449 struct mt76_phy *mphy = hw->priv; 1450 int err; 1451 1452 mt792x_mutex_acquire(dev); 1453 err = mt7925_mcu_hw_scan(mphy, vif, req); 1454 mt792x_mutex_release(dev); 1455 1456 return err; 1457 } 1458 1459 static void 1460 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1461 { 1462 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1463 struct mt76_phy *mphy = hw->priv; 1464 1465 mt792x_mutex_acquire(dev); 1466 mt7925_mcu_cancel_hw_scan(mphy, vif); 1467 mt792x_mutex_release(dev); 1468 } 1469 1470 static int 1471 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1472 struct cfg80211_sched_scan_request *req, 1473 struct ieee80211_scan_ies *ies) 1474 { 1475 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1476 struct mt76_phy *mphy = hw->priv; 1477 int err; 1478 1479 mt792x_mutex_acquire(dev); 1480 1481 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1482 if (err < 0) 1483 goto out; 1484 1485 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1486 out: 1487 mt792x_mutex_release(dev); 1488 1489 return err; 1490 } 1491 1492 static int 1493 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1494 { 1495 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1496 struct mt76_phy *mphy = hw->priv; 1497 int err; 1498 1499 mt792x_mutex_acquire(dev); 1500 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1501 mt792x_mutex_release(dev); 1502 1503 return err; 1504 } 1505 1506 static int 1507 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1508 { 1509 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1510 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1511 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1512 1513 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1514 return -EINVAL; 1515 1516 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1517 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1518 1519 mt792x_mutex_acquire(dev); 1520 1521 phy->mt76->antenna_mask = tx_ant; 1522 phy->mt76->chainmask = tx_ant; 1523 1524 mt76_set_stream_caps(phy->mt76, true); 1525 mt7925_set_stream_he_eht_caps(phy); 1526 1527 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1528 mt792x_mutex_release(dev); 1529 1530 return 0; 1531 } 1532 1533 #ifdef CONFIG_PM 1534 static int mt7925_suspend(struct ieee80211_hw *hw, 1535 struct cfg80211_wowlan *wowlan) 1536 { 1537 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1538 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1539 1540 cancel_delayed_work_sync(&phy->scan_work); 1541 cancel_delayed_work_sync(&phy->mt76->mac_work); 1542 1543 cancel_delayed_work_sync(&dev->pm.ps_work); 1544 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1545 1546 mt792x_mutex_acquire(dev); 1547 1548 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1549 ieee80211_iterate_active_interfaces(hw, 1550 IEEE80211_IFACE_ITER_RESUME_ALL, 1551 mt7925_mcu_set_suspend_iter, 1552 &dev->mphy); 1553 1554 mt792x_mutex_release(dev); 1555 1556 return 0; 1557 } 1558 1559 static int mt7925_resume(struct ieee80211_hw *hw) 1560 { 1561 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1562 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1563 1564 mt792x_mutex_acquire(dev); 1565 1566 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1567 ieee80211_iterate_active_interfaces(hw, 1568 IEEE80211_IFACE_ITER_RESUME_ALL, 1569 mt7925_mcu_set_suspend_iter, 1570 &dev->mphy); 1571 1572 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1573 MT792x_WATCHDOG_TIME); 1574 1575 mt792x_mutex_release(dev); 1576 1577 return 0; 1578 } 1579 1580 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1581 struct ieee80211_vif *vif, 1582 struct cfg80211_gtk_rekey_data *data) 1583 { 1584 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1585 1586 mt792x_mutex_acquire(dev); 1587 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1588 mt792x_mutex_release(dev); 1589 } 1590 #endif /* CONFIG_PM */ 1591 1592 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1593 struct ieee80211_vif *vif, 1594 struct ieee80211_sta *sta, 1595 bool enabled) 1596 { 1597 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1598 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1599 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1600 unsigned long valid = mvif->valid_links; 1601 u8 i; 1602 1603 mt792x_mutex_acquire(dev); 1604 1605 valid = ieee80211_vif_is_mld(vif) ? mvif->valid_links : BIT(0); 1606 1607 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1608 struct mt792x_link_sta *mlink; 1609 1610 mlink = mt792x_sta_to_link(msta, i); 1611 1612 if (enabled) 1613 set_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1614 else 1615 clear_bit(MT_WCID_FLAG_HDR_TRANS, &mlink->wcid.flags); 1616 1617 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta, i); 1618 } 1619 1620 mt792x_mutex_release(dev); 1621 } 1622 1623 #if IS_ENABLED(CONFIG_IPV6) 1624 static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1625 struct ieee80211_bss_conf *link_conf, 1626 struct inet6_dev *idev) 1627 { 1628 struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf); 1629 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1630 struct inet6_ifaddr *ifa; 1631 struct sk_buff *skb; 1632 u8 idx = 0; 1633 1634 struct { 1635 struct { 1636 u8 bss_idx; 1637 u8 pad[3]; 1638 } __packed hdr; 1639 struct mt7925_arpns_tlv arpns; 1640 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1641 } req_hdr = { 1642 .hdr = { 1643 .bss_idx = mconf->mt76.idx, 1644 }, 1645 .arpns = { 1646 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1647 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1648 .enable = true, 1649 }, 1650 }; 1651 1652 read_lock_bh(&idev->lock); 1653 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1654 if (ifa->flags & IFA_F_TENTATIVE) 1655 continue; 1656 req_hdr.ns_addrs[idx] = ifa->addr; 1657 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1658 break; 1659 } 1660 read_unlock_bh(&idev->lock); 1661 1662 if (!idx) 1663 return; 1664 1665 req_hdr.arpns.ips_num = idx; 1666 1667 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1668 0, GFP_ATOMIC); 1669 if (!skb) 1670 return; 1671 1672 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1673 1674 skb_queue_tail(&dev->ipv6_ns_list, skb); 1675 1676 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1677 } 1678 1679 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1680 struct ieee80211_vif *vif, 1681 struct inet6_dev *idev) 1682 { 1683 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1684 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1685 mvif->valid_links : BIT(0); 1686 struct ieee80211_bss_conf *bss_conf; 1687 int i; 1688 1689 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1690 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1691 __mt7925_ipv6_addr_change(hw, bss_conf, idev); 1692 } 1693 } 1694 1695 #endif 1696 1697 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1698 const struct cfg80211_sar_specs *sar) 1699 { 1700 struct mt76_phy *mphy = hw->priv; 1701 1702 if (sar) { 1703 int err = mt76_init_sar_power(hw, sar); 1704 1705 if (err) 1706 return err; 1707 } 1708 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1709 1710 return mt7925_mcu_set_rate_txpower(mphy); 1711 } 1712 1713 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1714 const struct cfg80211_sar_specs *sar) 1715 { 1716 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1717 int err; 1718 1719 mt792x_mutex_acquire(dev); 1720 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1721 dev->country_ie_env); 1722 if (err < 0) 1723 goto out; 1724 1725 err = mt7925_set_tx_sar_pwr(hw, sar); 1726 out: 1727 mt792x_mutex_release(dev); 1728 1729 return err; 1730 } 1731 1732 static void 1733 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1734 struct ieee80211_vif *vif, 1735 struct cfg80211_chan_def *chandef) 1736 { 1737 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1738 1739 mt792x_mutex_acquire(dev); 1740 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1741 mt792x_mutex_release(dev); 1742 } 1743 1744 static int 1745 mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1746 unsigned int link_id, u16 queue, 1747 const struct ieee80211_tx_queue_params *params) 1748 { 1749 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1750 struct mt792x_bss_conf *mconf = mt792x_vif_to_link(mvif, link_id); 1751 static const u8 mq_to_aci[] = { 1752 [IEEE80211_AC_VO] = 3, 1753 [IEEE80211_AC_VI] = 2, 1754 [IEEE80211_AC_BE] = 0, 1755 [IEEE80211_AC_BK] = 1, 1756 }; 1757 1758 /* firmware uses access class index */ 1759 mconf->queue_params[mq_to_aci[queue]] = *params; 1760 1761 return 0; 1762 } 1763 1764 static int 1765 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1766 struct ieee80211_bss_conf *link_conf) 1767 { 1768 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1769 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1770 int err; 1771 1772 mt792x_mutex_acquire(dev); 1773 1774 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, 1775 link_conf, NULL, true); 1776 if (err) 1777 goto out; 1778 1779 err = mt7925_mcu_set_bss_pm(dev, link_conf, true); 1780 if (err) 1781 goto out; 1782 1783 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1784 MT76_STA_INFO_STATE_NONE); 1785 out: 1786 mt792x_mutex_release(dev); 1787 1788 return err; 1789 } 1790 1791 static void 1792 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1793 struct ieee80211_bss_conf *link_conf) 1794 { 1795 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1796 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1797 int err; 1798 1799 mt792x_mutex_acquire(dev); 1800 1801 err = mt7925_mcu_set_bss_pm(dev, link_conf, false); 1802 if (err) 1803 goto out; 1804 1805 mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx, link_conf, 1806 NULL, false); 1807 1808 out: 1809 mt792x_mutex_release(dev); 1810 } 1811 1812 static int 1813 mt7925_add_chanctx(struct ieee80211_hw *hw, 1814 struct ieee80211_chanctx_conf *ctx) 1815 { 1816 return 0; 1817 } 1818 1819 static void 1820 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1821 struct ieee80211_chanctx_conf *ctx) 1822 { 1823 } 1824 1825 static void 1826 mt7925_change_chanctx(struct ieee80211_hw *hw, 1827 struct ieee80211_chanctx_conf *ctx, 1828 u32 changed) 1829 { 1830 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 1831 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1832 struct mt792x_bss_conf *mconf; 1833 struct ieee80211_vif *vif; 1834 struct mt792x_vif *mvif; 1835 1836 if (!mctx->bss_conf) 1837 return; 1838 1839 mconf = mctx->bss_conf; 1840 mvif = mconf->vif; 1841 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); 1842 1843 mt792x_mutex_acquire(phy->dev); 1844 if (vif->type == NL80211_IFTYPE_MONITOR) { 1845 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1846 mt7925_mcu_config_sniffer(mvif, ctx); 1847 } else { 1848 if (ieee80211_vif_is_mld(vif)) { 1849 unsigned long valid = mvif->valid_links; 1850 u8 i; 1851 1852 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1853 mconf = mt792x_vif_to_link(mvif, i); 1854 if (mconf && mconf->mt76.ctx == ctx) 1855 break; 1856 } 1857 1858 } else { 1859 mconf = &mvif->bss_conf; 1860 } 1861 1862 if (mconf) { 1863 struct ieee80211_bss_conf *link_conf; 1864 1865 link_conf = mt792x_vif_to_bss_conf(vif, mconf->link_id); 1866 mt7925_mcu_set_chctx(mvif->phy->mt76, &mconf->mt76, 1867 link_conf, ctx); 1868 } 1869 } 1870 1871 mt792x_mutex_release(phy->dev); 1872 } 1873 1874 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1875 struct ieee80211_vif *vif, 1876 struct ieee80211_prep_tx_info *info) 1877 { 1878 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1879 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1880 u16 duration = info->duration ? info->duration : 1881 jiffies_to_msecs(HZ); 1882 1883 mt792x_mutex_acquire(dev); 1884 mt7925_set_roc(mvif->phy, &mvif->bss_conf, 1885 mvif->bss_conf.mt76.ctx->def.chan, duration, 1886 MT7925_ROC_REQ_JOIN); 1887 mt792x_mutex_release(dev); 1888 } 1889 1890 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1891 struct ieee80211_vif *vif, 1892 struct ieee80211_prep_tx_info *info) 1893 { 1894 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1895 1896 mt7925_abort_roc(mvif->phy, &mvif->bss_conf); 1897 } 1898 1899 static void mt7925_vif_cfg_changed(struct ieee80211_hw *hw, 1900 struct ieee80211_vif *vif, 1901 u64 changed) 1902 { 1903 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1904 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1905 unsigned long valid = ieee80211_vif_is_mld(vif) ? 1906 mvif->valid_links : BIT(0); 1907 struct ieee80211_bss_conf *bss_conf; 1908 int i; 1909 1910 mt792x_mutex_acquire(dev); 1911 1912 if (changed & BSS_CHANGED_ASSOC) { 1913 mt7925_mcu_sta_update(dev, NULL, vif, true, 1914 MT76_STA_INFO_STATE_ASSOC); 1915 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 1916 1917 if (ieee80211_vif_is_mld(vif)) 1918 mvif->mlo_pm_state = MT792x_MLO_LINK_ASSOC; 1919 } 1920 1921 if (changed & BSS_CHANGED_ARP_FILTER) { 1922 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1923 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1924 mt7925_mcu_update_arp_filter(&dev->mt76, bss_conf); 1925 } 1926 } 1927 1928 if (changed & BSS_CHANGED_PS) { 1929 if (hweight16(mvif->valid_links) < 2) { 1930 /* legacy */ 1931 bss_conf = &vif->bss_conf; 1932 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1933 } else { 1934 if (mvif->mlo_pm_state == MT792x_MLO_LINK_ASSOC) { 1935 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS_PENDING; 1936 } else if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS) { 1937 for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) { 1938 bss_conf = mt792x_vif_to_bss_conf(vif, i); 1939 mt7925_mcu_uni_bss_ps(dev, bss_conf); 1940 } 1941 } 1942 } 1943 } 1944 1945 mt792x_mutex_release(dev); 1946 } 1947 1948 static void mt7925_link_info_changed(struct ieee80211_hw *hw, 1949 struct ieee80211_vif *vif, 1950 struct ieee80211_bss_conf *info, 1951 u64 changed) 1952 { 1953 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1954 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1955 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1956 struct mt792x_bss_conf *mconf; 1957 1958 mconf = mt792x_vif_to_link(mvif, info->link_id); 1959 1960 mt792x_mutex_acquire(dev); 1961 1962 if (changed & BSS_CHANGED_ERP_SLOT) { 1963 int slottime = info->use_short_slot ? 9 : 20; 1964 1965 if (slottime != phy->slottime) { 1966 phy->slottime = slottime; 1967 mt7925_mcu_set_timing(phy, info); 1968 } 1969 } 1970 1971 if (changed & BSS_CHANGED_MCAST_RATE) 1972 mconf->mt76.mcast_rates_idx = 1973 mt7925_get_rates_table(hw, vif, false, true); 1974 1975 if (changed & BSS_CHANGED_BASIC_RATES) 1976 mconf->mt76.basic_rates_idx = 1977 mt7925_get_rates_table(hw, vif, false, false); 1978 1979 if (changed & (BSS_CHANGED_BEACON | 1980 BSS_CHANGED_BEACON_ENABLED)) { 1981 mconf->mt76.beacon_rates_idx = 1982 mt7925_get_rates_table(hw, vif, true, false); 1983 1984 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 1985 info->enable_beacon); 1986 } 1987 1988 /* ensure that enable txcmd_mode after bss_info */ 1989 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 1990 mt7925_mcu_set_tx(dev, info); 1991 1992 if (mvif->mlo_pm_state == MT792x_MLO_CHANGED_PS_PENDING) { 1993 /* Indicate the secondary setup done */ 1994 mt7925_mcu_uni_bss_bcnft(dev, info, true); 1995 1996 ieee80211_queue_delayed_work(hw, &dev->mlo_pm_work, 5 * HZ); 1997 mvif->mlo_pm_state = MT792x_MLO_CHANGED_PS; 1998 } 1999 2000 mt792x_mutex_release(dev); 2001 } 2002 2003 static int 2004 mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2005 u16 old_links, u16 new_links, 2006 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) 2007 { 2008 struct mt792x_bss_conf *mconfs[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mconf; 2009 struct mt792x_link_sta *mlinks[IEEE80211_MLD_MAX_NUM_LINKS] = {}, *mlink; 2010 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2011 unsigned long add = new_links & ~old_links; 2012 unsigned long rem = old_links & ~new_links; 2013 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2014 struct mt792x_phy *phy = mt792x_hw_phy(hw); 2015 struct ieee80211_bss_conf *link_conf; 2016 unsigned int link_id; 2017 int err; 2018 2019 if (old_links == new_links) 2020 return 0; 2021 2022 mt792x_mutex_acquire(dev); 2023 2024 for_each_set_bit(link_id, &rem, IEEE80211_MLD_MAX_NUM_LINKS) { 2025 mconf = mt792x_vif_to_link(mvif, link_id); 2026 mlink = mt792x_sta_to_link(&mvif->sta, link_id); 2027 2028 if (!mconf || !mlink) 2029 continue; 2030 2031 if (mconf != &mvif->bss_conf) { 2032 mt792x_mac_link_bss_remove(dev, mconf, mlink); 2033 devm_kfree(dev->mt76.dev, mconf); 2034 devm_kfree(dev->mt76.dev, mlink); 2035 } 2036 2037 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2038 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2039 } 2040 2041 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2042 if (!old_links) { 2043 mvif->deflink_id = link_id; 2044 mconf = &mvif->bss_conf; 2045 mlink = &mvif->sta.deflink; 2046 } else { 2047 mconf = devm_kzalloc(dev->mt76.dev, sizeof(*mconf), 2048 GFP_KERNEL); 2049 mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), 2050 GFP_KERNEL); 2051 if (!mconf || !mlink) 2052 return -ENOMEM; 2053 } 2054 2055 mconfs[link_id] = mconf; 2056 mlinks[link_id] = mlink; 2057 mconf->link_id = link_id; 2058 mconf->vif = mvif; 2059 mlink->wcid.link_id = link_id; 2060 mlink->wcid.link_valid = !!vif->valid_links; 2061 mlink->wcid.def_wcid = &mvif->sta.deflink.wcid; 2062 } 2063 2064 if (hweight16(mvif->valid_links) == 0) 2065 mt792x_mac_link_bss_remove(dev, &mvif->bss_conf, 2066 &mvif->sta.deflink); 2067 2068 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2069 mconf = mconfs[link_id]; 2070 mlink = mlinks[link_id]; 2071 link_conf = mt792x_vif_to_bss_conf(vif, link_id); 2072 2073 rcu_assign_pointer(mvif->link_conf[link_id], mconf); 2074 rcu_assign_pointer(mvif->sta.link[link_id], mlink); 2075 2076 err = mt7925_mac_link_bss_add(dev, link_conf, mlink); 2077 if (err < 0) 2078 goto free; 2079 2080 if (mconf != &mvif->bss_conf) { 2081 err = mt7925_set_mlo_roc(phy, &mvif->bss_conf, 2082 vif->active_links); 2083 if (err < 0) 2084 goto free; 2085 } 2086 } 2087 2088 mvif->valid_links = new_links; 2089 2090 mt792x_mutex_release(dev); 2091 2092 return 0; 2093 2094 free: 2095 for_each_set_bit(link_id, &add, IEEE80211_MLD_MAX_NUM_LINKS) { 2096 rcu_assign_pointer(mvif->link_conf[link_id], NULL); 2097 rcu_assign_pointer(mvif->sta.link[link_id], NULL); 2098 2099 if (mconf != &mvif->bss_conf) 2100 devm_kfree(dev->mt76.dev, mconfs[link_id]); 2101 if (mlink != &mvif->sta.deflink) 2102 devm_kfree(dev->mt76.dev, mlinks[link_id]); 2103 } 2104 2105 mt792x_mutex_release(dev); 2106 2107 return err; 2108 } 2109 2110 static int 2111 mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2112 struct ieee80211_sta *sta, u16 old_links, u16 new_links) 2113 { 2114 unsigned long add = new_links & ~old_links; 2115 unsigned long rem = old_links & ~new_links; 2116 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2117 int err = 0; 2118 2119 if (old_links == new_links) 2120 return 0; 2121 2122 mt792x_mutex_acquire(dev); 2123 2124 err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); 2125 if (err < 0) 2126 goto out; 2127 2128 err = mt7925_mac_sta_add_links(dev, vif, sta, add); 2129 if (err < 0) 2130 goto out; 2131 2132 out: 2133 mt792x_mutex_release(dev); 2134 2135 return err; 2136 } 2137 2138 static int mt7925_assign_vif_chanctx(struct ieee80211_hw *hw, 2139 struct ieee80211_vif *vif, 2140 struct ieee80211_bss_conf *link_conf, 2141 struct ieee80211_chanctx_conf *ctx) 2142 { 2143 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2144 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2145 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2146 struct ieee80211_bss_conf *pri_link_conf; 2147 struct mt792x_bss_conf *mconf; 2148 2149 mutex_lock(&dev->mt76.mutex); 2150 2151 if (ieee80211_vif_is_mld(vif)) { 2152 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2153 pri_link_conf = mt792x_vif_to_bss_conf(vif, mvif->deflink_id); 2154 2155 if (vif->type == NL80211_IFTYPE_STATION && 2156 mconf == &mvif->bss_conf) 2157 mt7925_mcu_add_bss_info(&dev->phy, NULL, pri_link_conf, 2158 NULL, true); 2159 } else { 2160 mconf = &mvif->bss_conf; 2161 } 2162 2163 mconf->mt76.ctx = ctx; 2164 mctx->bss_conf = mconf; 2165 mutex_unlock(&dev->mt76.mutex); 2166 2167 return 0; 2168 } 2169 2170 static void mt7925_unassign_vif_chanctx(struct ieee80211_hw *hw, 2171 struct ieee80211_vif *vif, 2172 struct ieee80211_bss_conf *link_conf, 2173 struct ieee80211_chanctx_conf *ctx) 2174 { 2175 struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; 2176 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 2177 struct mt792x_dev *dev = mt792x_hw_dev(hw); 2178 struct mt792x_bss_conf *mconf; 2179 2180 mutex_lock(&dev->mt76.mutex); 2181 2182 if (ieee80211_vif_is_mld(vif)) { 2183 mconf = mt792x_vif_to_link(mvif, link_conf->link_id); 2184 2185 if (vif->type == NL80211_IFTYPE_STATION && 2186 mconf == &mvif->bss_conf) 2187 mt7925_mcu_add_bss_info(&dev->phy, NULL, link_conf, 2188 NULL, false); 2189 } else { 2190 mconf = &mvif->bss_conf; 2191 } 2192 2193 mctx->bss_conf = NULL; 2194 mconf->mt76.ctx = NULL; 2195 mutex_unlock(&dev->mt76.mutex); 2196 } 2197 2198 const struct ieee80211_ops mt7925_ops = { 2199 .tx = mt792x_tx, 2200 .start = mt7925_start, 2201 .stop = mt792x_stop, 2202 .add_interface = mt7925_add_interface, 2203 .remove_interface = mt792x_remove_interface, 2204 .config = mt7925_config, 2205 .conf_tx = mt7925_conf_tx, 2206 .configure_filter = mt7925_configure_filter, 2207 .start_ap = mt7925_start_ap, 2208 .stop_ap = mt7925_stop_ap, 2209 .sta_state = mt76_sta_state, 2210 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 2211 .set_key = mt7925_set_key, 2212 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 2213 #if IS_ENABLED(CONFIG_IPV6) 2214 .ipv6_addr_change = mt7925_ipv6_addr_change, 2215 #endif /* CONFIG_IPV6 */ 2216 .ampdu_action = mt7925_ampdu_action, 2217 .set_rts_threshold = mt7925_set_rts_threshold, 2218 .wake_tx_queue = mt76_wake_tx_queue, 2219 .release_buffered_frames = mt76_release_buffered_frames, 2220 .channel_switch_beacon = mt7925_channel_switch_beacon, 2221 .get_txpower = mt76_get_txpower, 2222 .get_stats = mt792x_get_stats, 2223 .get_et_sset_count = mt792x_get_et_sset_count, 2224 .get_et_strings = mt792x_get_et_strings, 2225 .get_et_stats = mt792x_get_et_stats, 2226 .get_tsf = mt792x_get_tsf, 2227 .set_tsf = mt792x_set_tsf, 2228 .get_survey = mt76_get_survey, 2229 .get_antenna = mt76_get_antenna, 2230 .set_antenna = mt7925_set_antenna, 2231 .set_coverage_class = mt792x_set_coverage_class, 2232 .hw_scan = mt7925_hw_scan, 2233 .cancel_hw_scan = mt7925_cancel_hw_scan, 2234 .sta_statistics = mt792x_sta_statistics, 2235 .sched_scan_start = mt7925_start_sched_scan, 2236 .sched_scan_stop = mt7925_stop_sched_scan, 2237 #ifdef CONFIG_PM 2238 .suspend = mt7925_suspend, 2239 .resume = mt7925_resume, 2240 .set_wakeup = mt792x_set_wakeup, 2241 .set_rekey_data = mt7925_set_rekey_data, 2242 #endif /* CONFIG_PM */ 2243 .flush = mt792x_flush, 2244 .set_sar_specs = mt7925_set_sar_specs, 2245 .remain_on_channel = mt7925_remain_on_channel, 2246 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 2247 .add_chanctx = mt7925_add_chanctx, 2248 .remove_chanctx = mt7925_remove_chanctx, 2249 .change_chanctx = mt7925_change_chanctx, 2250 .assign_vif_chanctx = mt7925_assign_vif_chanctx, 2251 .unassign_vif_chanctx = mt7925_unassign_vif_chanctx, 2252 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 2253 .mgd_complete_tx = mt7925_mgd_complete_tx, 2254 .vif_cfg_changed = mt7925_vif_cfg_changed, 2255 .link_info_changed = mt7925_link_info_changed, 2256 .change_vif_links = mt7925_change_vif_links, 2257 .change_sta_links = mt7925_change_sta_links, 2258 }; 2259 EXPORT_SYMBOL_GPL(mt7925_ops); 2260 2261 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 2262 MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 2263 MODULE_LICENSE("Dual BSD/GPL"); 2264