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 static void 240 __mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy, 241 struct ieee80211_supported_band *sband, 242 enum nl80211_band band) 243 { 244 struct ieee80211_sband_iftype_data *data = phy->iftype[band]; 245 int i, n = 0; 246 247 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 248 switch (i) { 249 case NL80211_IFTYPE_STATION: 250 case NL80211_IFTYPE_AP: 251 break; 252 default: 253 continue; 254 } 255 256 data[n].types_mask = BIT(i); 257 mt7925_init_he_caps(phy, band, &data[n], i); 258 mt7925_init_eht_caps(phy, band, &data[n]); 259 260 n++; 261 } 262 263 _ieee80211_set_sband_iftype_data(sband, data, n); 264 } 265 266 void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy) 267 { 268 if (phy->mt76->cap.has_2ghz) 269 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband, 270 NL80211_BAND_2GHZ); 271 272 if (phy->mt76->cap.has_5ghz) 273 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband, 274 NL80211_BAND_5GHZ); 275 276 if (phy->mt76->cap.has_6ghz) 277 __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband, 278 NL80211_BAND_6GHZ); 279 } 280 281 int __mt7925_start(struct mt792x_phy *phy) 282 { 283 struct mt76_phy *mphy = phy->mt76; 284 int err; 285 286 err = mt7925_mcu_set_channel_domain(mphy); 287 if (err) 288 return err; 289 290 err = mt7925_mcu_set_rts_thresh(phy, 0x92b); 291 if (err) 292 return err; 293 294 err = mt7925_set_tx_sar_pwr(mphy->hw, NULL); 295 if (err) 296 return err; 297 298 mt792x_mac_reset_counters(phy); 299 set_bit(MT76_STATE_RUNNING, &mphy->state); 300 301 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 302 MT792x_WATCHDOG_TIME); 303 304 return 0; 305 } 306 EXPORT_SYMBOL_GPL(__mt7925_start); 307 308 static int mt7925_start(struct ieee80211_hw *hw) 309 { 310 struct mt792x_phy *phy = mt792x_hw_phy(hw); 311 int err; 312 313 mt792x_mutex_acquire(phy->dev); 314 err = __mt7925_start(phy); 315 mt792x_mutex_release(phy->dev); 316 317 return err; 318 } 319 320 static int 321 mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 322 { 323 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 324 struct mt792x_dev *dev = mt792x_hw_dev(hw); 325 struct mt792x_phy *phy = mt792x_hw_phy(hw); 326 struct mt76_txq *mtxq; 327 int idx, ret = 0; 328 329 mt792x_mutex_acquire(dev); 330 331 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 332 if (mvif->mt76.idx >= MT792x_MAX_INTERFACES) { 333 ret = -ENOSPC; 334 goto out; 335 } 336 337 mvif->mt76.omac_idx = mvif->mt76.idx; 338 mvif->phy = phy; 339 mvif->mt76.band_idx = 0; 340 mvif->mt76.wmm_idx = mvif->mt76.idx % MT76_CONNAC_MAX_WMM_SETS; 341 342 if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) 343 mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; 344 else 345 mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; 346 347 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 348 true); 349 if (ret) 350 goto out; 351 352 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 353 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 354 355 idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; 356 357 INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); 358 mvif->sta.wcid.idx = idx; 359 mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; 360 mvif->sta.wcid.hw_key_idx = -1; 361 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 362 mt76_wcid_init(&mvif->sta.wcid); 363 364 mt7925_mac_wtbl_update(dev, idx, 365 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 366 367 ewma_rssi_init(&mvif->rssi); 368 369 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 370 if (vif->txq) { 371 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 372 mtxq->wcid = idx; 373 } 374 375 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 376 out: 377 mt792x_mutex_release(dev); 378 379 return ret; 380 } 381 382 static void mt7925_roc_iter(void *priv, u8 *mac, 383 struct ieee80211_vif *vif) 384 { 385 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 386 struct mt792x_phy *phy = priv; 387 388 mt7925_mcu_abort_roc(phy, mvif, phy->roc_token_id); 389 } 390 391 void mt7925_roc_work(struct work_struct *work) 392 { 393 struct mt792x_phy *phy; 394 395 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 396 roc_work); 397 398 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 399 return; 400 401 mt792x_mutex_acquire(phy->dev); 402 ieee80211_iterate_active_interfaces(phy->mt76->hw, 403 IEEE80211_IFACE_ITER_RESUME_ALL, 404 mt7925_roc_iter, phy); 405 mt792x_mutex_release(phy->dev); 406 ieee80211_remain_on_channel_expired(phy->mt76->hw); 407 } 408 409 static int mt7925_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 410 { 411 int err = 0; 412 413 del_timer_sync(&phy->roc_timer); 414 cancel_work_sync(&phy->roc_work); 415 416 mt792x_mutex_acquire(phy->dev); 417 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 418 err = mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); 419 mt792x_mutex_release(phy->dev); 420 421 return err; 422 } 423 424 static int mt7925_set_roc(struct mt792x_phy *phy, 425 struct mt792x_vif *vif, 426 struct ieee80211_channel *chan, 427 int duration, 428 enum mt7925_roc_req type) 429 { 430 int err; 431 432 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 433 return -EBUSY; 434 435 phy->roc_grant = false; 436 437 err = mt7925_mcu_set_roc(phy, vif, chan, duration, type, 438 ++phy->roc_token_id); 439 if (err < 0) { 440 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 441 goto out; 442 } 443 444 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 445 mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); 446 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 447 err = -ETIMEDOUT; 448 } 449 450 out: 451 return err; 452 } 453 454 static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 455 struct ieee80211_vif *vif, 456 struct ieee80211_channel *chan, 457 int duration, 458 enum ieee80211_roc_type type) 459 { 460 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 461 struct mt792x_phy *phy = mt792x_hw_phy(hw); 462 int err; 463 464 mt792x_mutex_acquire(phy->dev); 465 err = mt7925_set_roc(phy, mvif, chan, duration, MT7925_ROC_REQ_ROC); 466 mt792x_mutex_release(phy->dev); 467 468 return err; 469 } 470 471 static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 472 struct ieee80211_vif *vif) 473 { 474 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 475 struct mt792x_phy *phy = mt792x_hw_phy(hw); 476 477 return mt7925_abort_roc(phy, mvif); 478 } 479 480 static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 481 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 482 struct ieee80211_key_conf *key) 483 { 484 struct mt792x_dev *dev = mt792x_hw_dev(hw); 485 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 486 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 487 &mvif->sta; 488 struct mt76_wcid *wcid = &msta->wcid; 489 u8 *wcid_keyidx = &wcid->hw_key_idx; 490 int idx = key->keyidx, err = 0; 491 492 /* The hardware does not support per-STA RX GTK, fallback 493 * to software mode for these. 494 */ 495 if ((vif->type == NL80211_IFTYPE_ADHOC || 496 vif->type == NL80211_IFTYPE_MESH_POINT) && 497 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 498 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 499 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 500 return -EOPNOTSUPP; 501 502 /* fall back to sw encryption for unsupported ciphers */ 503 switch (key->cipher) { 504 case WLAN_CIPHER_SUITE_AES_CMAC: 505 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 506 wcid_keyidx = &wcid->hw_key_idx2; 507 break; 508 case WLAN_CIPHER_SUITE_WEP40: 509 case WLAN_CIPHER_SUITE_WEP104: 510 if (!mvif->wep_sta) 511 return -EOPNOTSUPP; 512 break; 513 case WLAN_CIPHER_SUITE_TKIP: 514 case WLAN_CIPHER_SUITE_CCMP: 515 case WLAN_CIPHER_SUITE_CCMP_256: 516 case WLAN_CIPHER_SUITE_GCMP: 517 case WLAN_CIPHER_SUITE_GCMP_256: 518 case WLAN_CIPHER_SUITE_SMS4: 519 break; 520 default: 521 return -EOPNOTSUPP; 522 } 523 524 mt792x_mutex_acquire(dev); 525 526 if (cmd == SET_KEY && !mvif->mt76.cipher) { 527 struct mt792x_phy *phy = mt792x_hw_phy(hw); 528 529 mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); 530 mt7925_mcu_add_bss_info(phy, mvif->mt76.ctx, vif, sta, true); 531 } 532 533 if (cmd == SET_KEY) 534 *wcid_keyidx = idx; 535 else if (idx == *wcid_keyidx) 536 *wcid_keyidx = -1; 537 else 538 goto out; 539 540 mt76_wcid_key_setup(&dev->mt76, wcid, 541 cmd == SET_KEY ? key : NULL); 542 543 err = mt7925_mcu_add_key(&dev->mt76, vif, &msta->bip, 544 key, MCU_UNI_CMD(STA_REC_UPDATE), 545 &msta->wcid, cmd); 546 547 if (err) 548 goto out; 549 550 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 551 key->cipher == WLAN_CIPHER_SUITE_WEP40) 552 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip, 553 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 554 &mvif->wep_sta->wcid, cmd); 555 556 out: 557 mt792x_mutex_release(dev); 558 559 return err; 560 } 561 562 static void 563 mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 564 { 565 struct mt792x_dev *dev = priv; 566 struct ieee80211_hw *hw = mt76_hw(dev); 567 bool pm_enable = dev->pm.enable; 568 int err; 569 570 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 571 if (err < 0) 572 return; 573 574 if (pm_enable) { 575 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 576 ieee80211_hw_set(hw, CONNECTION_MONITOR); 577 } else { 578 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 579 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 580 } 581 } 582 583 static void 584 mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 585 { 586 struct mt792x_dev *dev = priv; 587 struct ieee80211_hw *hw = mt76_hw(dev); 588 struct mt76_connac_pm *pm = &dev->pm; 589 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 590 591 mt7925_mcu_set_sniffer(dev, vif, monitor); 592 pm->enable = pm->enable_user && !monitor; 593 pm->ds_enable = pm->ds_enable_user && !monitor; 594 595 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 596 597 if (monitor) 598 mt7925_mcu_set_beacon_filter(dev, vif, false); 599 } 600 601 void mt7925_set_runtime_pm(struct mt792x_dev *dev) 602 { 603 struct ieee80211_hw *hw = mt76_hw(dev); 604 struct mt76_connac_pm *pm = &dev->pm; 605 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 606 607 pm->enable = pm->enable_user && !monitor; 608 ieee80211_iterate_active_interfaces(hw, 609 IEEE80211_IFACE_ITER_RESUME_ALL, 610 mt7925_pm_interface_iter, dev); 611 pm->ds_enable = pm->ds_enable_user && !monitor; 612 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 613 } 614 615 static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 616 { 617 struct mt792x_dev *dev = mt792x_hw_dev(hw); 618 int ret = 0; 619 620 mt792x_mutex_acquire(dev); 621 622 if (changed & IEEE80211_CONF_CHANGE_POWER) { 623 ret = mt7925_set_tx_sar_pwr(hw, NULL); 624 if (ret) 625 goto out; 626 } 627 628 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 629 ieee80211_iterate_active_interfaces(hw, 630 IEEE80211_IFACE_ITER_RESUME_ALL, 631 mt7925_sniffer_interface_iter, dev); 632 } 633 634 out: 635 mt792x_mutex_release(dev); 636 637 return ret; 638 } 639 640 static void mt7925_configure_filter(struct ieee80211_hw *hw, 641 unsigned int changed_flags, 642 unsigned int *total_flags, 643 u64 multicast) 644 { 645 #define MT7925_FILTER_FCSFAIL BIT(2) 646 #define MT7925_FILTER_CONTROL BIT(5) 647 #define MT7925_FILTER_OTHER_BSS BIT(6) 648 #define MT7925_FILTER_ENABLE BIT(31) 649 struct mt792x_dev *dev = mt792x_hw_dev(hw); 650 u32 flags = MT7925_FILTER_ENABLE; 651 652 #define MT7925_FILTER(_fif, _type) do { \ 653 if (*total_flags & (_fif)) \ 654 flags |= MT7925_FILTER_##_type; \ 655 } while (0) 656 657 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 658 MT7925_FILTER(FIF_CONTROL, CONTROL); 659 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 660 661 mt792x_mutex_acquire(dev); 662 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 663 mt792x_mutex_release(dev); 664 665 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 666 } 667 668 static u8 669 mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 670 bool beacon, bool mcast) 671 { 672 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 673 struct mt76_phy *mphy = hw->priv; 674 u16 rate; 675 u8 i, idx, ht; 676 677 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 678 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 679 680 if (beacon && ht) { 681 struct mt792x_dev *dev = mt792x_hw_dev(hw); 682 683 /* must odd index */ 684 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 685 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 686 return idx; 687 } 688 689 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 690 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 691 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 692 return MT792x_BASIC_RATES_TBL + i; 693 694 return mvif->basic_rates_idx; 695 } 696 697 static void mt7925_bss_info_changed(struct ieee80211_hw *hw, 698 struct ieee80211_vif *vif, 699 struct ieee80211_bss_conf *info, 700 u64 changed) 701 { 702 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 703 struct mt792x_phy *phy = mt792x_hw_phy(hw); 704 struct mt792x_dev *dev = mt792x_hw_dev(hw); 705 706 mt792x_mutex_acquire(dev); 707 708 if (changed & BSS_CHANGED_ERP_SLOT) { 709 int slottime = info->use_short_slot ? 9 : 20; 710 711 if (slottime != phy->slottime) { 712 phy->slottime = slottime; 713 mt792x_mac_set_timeing(phy); 714 } 715 } 716 717 if (changed & BSS_CHANGED_MCAST_RATE) 718 mvif->mcast_rates_idx = 719 mt7925_get_rates_table(hw, vif, false, true); 720 721 if (changed & BSS_CHANGED_BASIC_RATES) 722 mvif->basic_rates_idx = 723 mt7925_get_rates_table(hw, vif, false, false); 724 725 if (changed & (BSS_CHANGED_BEACON | 726 BSS_CHANGED_BEACON_ENABLED)) { 727 mvif->beacon_rates_idx = 728 mt7925_get_rates_table(hw, vif, true, false); 729 730 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 731 info->enable_beacon); 732 } 733 734 /* ensure that enable txcmd_mode after bss_info */ 735 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 736 mt7925_mcu_set_tx(dev, vif); 737 738 if (changed & BSS_CHANGED_PS) 739 mt7925_mcu_uni_bss_ps(dev, vif); 740 741 if (changed & BSS_CHANGED_ASSOC) { 742 mt7925_mcu_sta_update(dev, NULL, vif, true, 743 MT76_STA_INFO_STATE_ASSOC); 744 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 745 } 746 747 if (changed & BSS_CHANGED_ARP_FILTER) { 748 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 749 750 mt7925_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info); 751 } 752 753 mt792x_mutex_release(dev); 754 } 755 756 int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 757 struct ieee80211_sta *sta) 758 { 759 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 760 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 761 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 762 int ret, idx; 763 764 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 765 if (idx < 0) 766 return -ENOSPC; 767 768 INIT_LIST_HEAD(&msta->wcid.poll_list); 769 msta->vif = mvif; 770 msta->wcid.sta = 1; 771 msta->wcid.idx = idx; 772 msta->wcid.phy_idx = mvif->mt76.band_idx; 773 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 774 msta->last_txs = jiffies; 775 776 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 777 if (ret) 778 return ret; 779 780 if (vif->type == NL80211_IFTYPE_STATION) 781 mvif->wep_sta = msta; 782 783 mt7925_mac_wtbl_update(dev, idx, 784 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 785 786 /* should update bss info before STA add */ 787 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 788 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 789 false); 790 791 ret = mt7925_mcu_sta_update(dev, sta, vif, true, 792 MT76_STA_INFO_STATE_NONE); 793 if (ret) 794 return ret; 795 796 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 797 798 return 0; 799 } 800 EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 801 802 void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 803 struct ieee80211_sta *sta) 804 { 805 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 806 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 807 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 808 809 mt792x_mutex_acquire(dev); 810 811 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 812 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 813 true); 814 815 ewma_avg_signal_init(&msta->avg_ack_signal); 816 817 mt7925_mac_wtbl_update(dev, msta->wcid.idx, 818 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 819 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 820 821 mt7925_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 822 823 mt792x_mutex_release(dev); 824 } 825 EXPORT_SYMBOL_GPL(mt7925_mac_sta_assoc); 826 827 void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 828 struct ieee80211_sta *sta) 829 { 830 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 831 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 832 833 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 834 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 835 836 mt7925_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 837 mt7925_mac_wtbl_update(dev, msta->wcid.idx, 838 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 839 840 if (vif->type == NL80211_IFTYPE_STATION) { 841 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 842 843 mvif->wep_sta = NULL; 844 ewma_rssi_init(&mvif->rssi); 845 if (!sta->tdls) 846 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 847 false); 848 } 849 850 spin_lock_bh(&mdev->sta_poll_lock); 851 if (!list_empty(&msta->wcid.poll_list)) 852 list_del_init(&msta->wcid.poll_list); 853 spin_unlock_bh(&mdev->sta_poll_lock); 854 855 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 856 } 857 EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 858 859 static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 860 { 861 struct mt792x_dev *dev = mt792x_hw_dev(hw); 862 863 mt792x_mutex_acquire(dev); 864 mt7925_mcu_set_rts_thresh(&dev->phy, val); 865 mt792x_mutex_release(dev); 866 867 return 0; 868 } 869 870 static int 871 mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 872 struct ieee80211_ampdu_params *params) 873 { 874 enum ieee80211_ampdu_mlme_action action = params->action; 875 struct mt792x_dev *dev = mt792x_hw_dev(hw); 876 struct ieee80211_sta *sta = params->sta; 877 struct ieee80211_txq *txq = sta->txq[params->tid]; 878 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 879 u16 tid = params->tid; 880 u16 ssn = params->ssn; 881 struct mt76_txq *mtxq; 882 int ret = 0; 883 884 if (!txq) 885 return -EINVAL; 886 887 mtxq = (struct mt76_txq *)txq->drv_priv; 888 889 mt792x_mutex_acquire(dev); 890 switch (action) { 891 case IEEE80211_AMPDU_RX_START: 892 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 893 params->buf_size); 894 mt7925_mcu_uni_rx_ba(dev, params, true); 895 break; 896 case IEEE80211_AMPDU_RX_STOP: 897 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 898 mt7925_mcu_uni_rx_ba(dev, params, false); 899 break; 900 case IEEE80211_AMPDU_TX_OPERATIONAL: 901 mtxq->aggr = true; 902 mtxq->send_bar = false; 903 mt7925_mcu_uni_tx_ba(dev, params, true); 904 break; 905 case IEEE80211_AMPDU_TX_STOP_FLUSH: 906 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 907 mtxq->aggr = false; 908 clear_bit(tid, &msta->wcid.ampdu_state); 909 mt7925_mcu_uni_tx_ba(dev, params, false); 910 break; 911 case IEEE80211_AMPDU_TX_START: 912 set_bit(tid, &msta->wcid.ampdu_state); 913 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 914 break; 915 case IEEE80211_AMPDU_TX_STOP_CONT: 916 mtxq->aggr = false; 917 clear_bit(tid, &msta->wcid.ampdu_state); 918 mt7925_mcu_uni_tx_ba(dev, params, false); 919 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 920 break; 921 } 922 mt792x_mutex_release(dev); 923 924 return ret; 925 } 926 927 static bool is_valid_alpha2(const char *alpha2) 928 { 929 if (!alpha2) 930 return false; 931 932 if (alpha2[0] == '0' && alpha2[1] == '0') 933 return true; 934 935 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 936 return true; 937 938 return false; 939 } 940 941 void mt7925_scan_work(struct work_struct *work) 942 { 943 struct mt792x_phy *phy; 944 945 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 946 scan_work.work); 947 948 while (true) { 949 struct mt76_dev *mdev = &phy->dev->mt76; 950 struct sk_buff *skb; 951 struct tlv *tlv; 952 int tlv_len; 953 954 spin_lock_bh(&phy->dev->mt76.lock); 955 skb = __skb_dequeue(&phy->scan_event_list); 956 spin_unlock_bh(&phy->dev->mt76.lock); 957 958 if (!skb) 959 break; 960 961 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 962 tlv = (struct tlv *)skb->data; 963 tlv_len = skb->len; 964 965 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 966 struct mt7925_mcu_scan_chinfo_event *evt; 967 968 switch (le16_to_cpu(tlv->tag)) { 969 case UNI_EVENT_SCAN_DONE_BASIC: 970 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 971 struct cfg80211_scan_info info = { 972 .aborted = false, 973 }; 974 ieee80211_scan_completed(phy->mt76->hw, &info); 975 } 976 break; 977 case UNI_EVENT_SCAN_DONE_CHNLINFO: 978 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 979 980 if (!is_valid_alpha2(evt->alpha2)) 981 break; 982 983 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 984 break; 985 986 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 987 988 break; 989 case UNI_EVENT_SCAN_DONE_NLO: 990 ieee80211_sched_scan_results(phy->mt76->hw); 991 break; 992 default: 993 break; 994 } 995 996 tlv_len -= le16_to_cpu(tlv->len); 997 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 998 } 999 1000 dev_kfree_skb(skb); 1001 } 1002 } 1003 1004 static int 1005 mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1006 struct ieee80211_scan_request *req) 1007 { 1008 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1009 struct mt76_phy *mphy = hw->priv; 1010 int err; 1011 1012 mt792x_mutex_acquire(dev); 1013 err = mt7925_mcu_hw_scan(mphy, vif, req); 1014 mt792x_mutex_release(dev); 1015 1016 return err; 1017 } 1018 1019 static void 1020 mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1021 { 1022 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1023 struct mt76_phy *mphy = hw->priv; 1024 1025 mt792x_mutex_acquire(dev); 1026 mt7925_mcu_cancel_hw_scan(mphy, vif); 1027 mt792x_mutex_release(dev); 1028 } 1029 1030 static int 1031 mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1032 struct cfg80211_sched_scan_request *req, 1033 struct ieee80211_scan_ies *ies) 1034 { 1035 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1036 struct mt76_phy *mphy = hw->priv; 1037 int err; 1038 1039 mt792x_mutex_acquire(dev); 1040 1041 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1042 if (err < 0) 1043 goto out; 1044 1045 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1046 out: 1047 mt792x_mutex_release(dev); 1048 1049 return err; 1050 } 1051 1052 static int 1053 mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1054 { 1055 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1056 struct mt76_phy *mphy = hw->priv; 1057 int err; 1058 1059 mt792x_mutex_acquire(dev); 1060 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1061 mt792x_mutex_release(dev); 1062 1063 return err; 1064 } 1065 1066 static int 1067 mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1068 { 1069 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1070 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1071 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1072 1073 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1074 return -EINVAL; 1075 1076 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1077 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1078 1079 mt792x_mutex_acquire(dev); 1080 1081 phy->mt76->antenna_mask = tx_ant; 1082 phy->mt76->chainmask = tx_ant; 1083 1084 mt76_set_stream_caps(phy->mt76, true); 1085 mt7925_set_stream_he_eht_caps(phy); 1086 1087 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1088 mt792x_mutex_release(dev); 1089 1090 return 0; 1091 } 1092 1093 #ifdef CONFIG_PM 1094 static int mt7925_suspend(struct ieee80211_hw *hw, 1095 struct cfg80211_wowlan *wowlan) 1096 { 1097 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1098 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1099 1100 cancel_delayed_work_sync(&phy->scan_work); 1101 cancel_delayed_work_sync(&phy->mt76->mac_work); 1102 1103 cancel_delayed_work_sync(&dev->pm.ps_work); 1104 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1105 1106 mt792x_mutex_acquire(dev); 1107 1108 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1109 ieee80211_iterate_active_interfaces(hw, 1110 IEEE80211_IFACE_ITER_RESUME_ALL, 1111 mt7925_mcu_set_suspend_iter, 1112 &dev->mphy); 1113 1114 mt792x_mutex_release(dev); 1115 1116 return 0; 1117 } 1118 1119 static int mt7925_resume(struct ieee80211_hw *hw) 1120 { 1121 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1122 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1123 1124 mt792x_mutex_acquire(dev); 1125 1126 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1127 ieee80211_iterate_active_interfaces(hw, 1128 IEEE80211_IFACE_ITER_RESUME_ALL, 1129 mt7925_mcu_set_suspend_iter, 1130 &dev->mphy); 1131 1132 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1133 MT792x_WATCHDOG_TIME); 1134 1135 mt792x_mutex_release(dev); 1136 1137 return 0; 1138 } 1139 1140 static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1141 struct ieee80211_vif *vif, 1142 struct cfg80211_gtk_rekey_data *data) 1143 { 1144 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1145 1146 mt792x_mutex_acquire(dev); 1147 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1148 mt792x_mutex_release(dev); 1149 } 1150 #endif /* CONFIG_PM */ 1151 1152 static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1153 struct ieee80211_vif *vif, 1154 struct ieee80211_sta *sta, 1155 bool enabled) 1156 { 1157 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1158 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1159 1160 mt792x_mutex_acquire(dev); 1161 1162 if (enabled) 1163 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1164 else 1165 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1166 1167 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1168 1169 mt792x_mutex_release(dev); 1170 } 1171 1172 #if IS_ENABLED(CONFIG_IPV6) 1173 static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1174 struct ieee80211_vif *vif, 1175 struct inet6_dev *idev) 1176 { 1177 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1178 struct mt792x_dev *dev = mvif->phy->dev; 1179 struct inet6_ifaddr *ifa; 1180 struct sk_buff *skb; 1181 u8 idx = 0; 1182 1183 struct { 1184 struct { 1185 u8 bss_idx; 1186 u8 pad[3]; 1187 } __packed hdr; 1188 struct mt7925_arpns_tlv arpns; 1189 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1190 } req_hdr = { 1191 .hdr = { 1192 .bss_idx = mvif->mt76.idx, 1193 }, 1194 .arpns = { 1195 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1196 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1197 .enable = true, 1198 }, 1199 }; 1200 1201 read_lock_bh(&idev->lock); 1202 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1203 if (ifa->flags & IFA_F_TENTATIVE) 1204 continue; 1205 req_hdr.ns_addrs[idx] = ifa->addr; 1206 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1207 break; 1208 } 1209 read_unlock_bh(&idev->lock); 1210 1211 if (!idx) 1212 return; 1213 1214 req_hdr.arpns.ips_num = idx; 1215 1216 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1217 0, GFP_ATOMIC); 1218 if (!skb) 1219 return; 1220 1221 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1222 1223 skb_queue_tail(&dev->ipv6_ns_list, skb); 1224 1225 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1226 } 1227 #endif 1228 1229 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1230 const struct cfg80211_sar_specs *sar) 1231 { 1232 struct mt76_phy *mphy = hw->priv; 1233 1234 if (sar) { 1235 int err = mt76_init_sar_power(hw, sar); 1236 1237 if (err) 1238 return err; 1239 } 1240 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1241 1242 return mt7925_mcu_set_rate_txpower(mphy); 1243 } 1244 1245 static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1246 const struct cfg80211_sar_specs *sar) 1247 { 1248 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1249 int err; 1250 1251 mt792x_mutex_acquire(dev); 1252 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1253 dev->country_ie_env); 1254 if (err < 0) 1255 goto out; 1256 1257 err = mt7925_set_tx_sar_pwr(hw, sar); 1258 out: 1259 mt792x_mutex_release(dev); 1260 1261 return err; 1262 } 1263 1264 static void 1265 mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1266 struct ieee80211_vif *vif, 1267 struct cfg80211_chan_def *chandef) 1268 { 1269 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1270 1271 mt792x_mutex_acquire(dev); 1272 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1273 mt792x_mutex_release(dev); 1274 } 1275 1276 static int 1277 mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1278 struct ieee80211_bss_conf *link_conf) 1279 { 1280 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1281 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1282 int err; 1283 1284 mt792x_mutex_acquire(dev); 1285 1286 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, 1287 true); 1288 if (err) 1289 goto out; 1290 1291 err = mt7925_mcu_set_bss_pm(dev, vif, true); 1292 if (err) 1293 goto out; 1294 1295 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1296 MT76_STA_INFO_STATE_NONE); 1297 out: 1298 mt792x_mutex_release(dev); 1299 1300 return err; 1301 } 1302 1303 static void 1304 mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1305 struct ieee80211_bss_conf *link_conf) 1306 { 1307 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1308 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1309 int err; 1310 1311 mt792x_mutex_acquire(dev); 1312 1313 err = mt7925_mcu_set_bss_pm(dev, vif, false); 1314 if (err) 1315 goto out; 1316 1317 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, 1318 false); 1319 1320 out: 1321 mt792x_mutex_release(dev); 1322 } 1323 1324 static int 1325 mt7925_add_chanctx(struct ieee80211_hw *hw, 1326 struct ieee80211_chanctx_conf *ctx) 1327 { 1328 return 0; 1329 } 1330 1331 static void 1332 mt7925_remove_chanctx(struct ieee80211_hw *hw, 1333 struct ieee80211_chanctx_conf *ctx) 1334 { 1335 } 1336 1337 static void mt7925_ctx_iter(void *priv, u8 *mac, 1338 struct ieee80211_vif *vif) 1339 { 1340 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1341 struct ieee80211_chanctx_conf *ctx = priv; 1342 1343 if (ctx != mvif->mt76.ctx) 1344 return; 1345 1346 if (vif->type == NL80211_IFTYPE_MONITOR) { 1347 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1348 mt7925_mcu_config_sniffer(mvif, ctx); 1349 } else { 1350 mt7925_mcu_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1351 } 1352 } 1353 1354 static void 1355 mt7925_change_chanctx(struct ieee80211_hw *hw, 1356 struct ieee80211_chanctx_conf *ctx, 1357 u32 changed) 1358 { 1359 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1360 1361 mt792x_mutex_acquire(phy->dev); 1362 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1363 IEEE80211_IFACE_ITER_ACTIVE, 1364 mt7925_ctx_iter, ctx); 1365 mt792x_mutex_release(phy->dev); 1366 } 1367 1368 static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1369 struct ieee80211_vif *vif, 1370 struct ieee80211_prep_tx_info *info) 1371 { 1372 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1373 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1374 u16 duration = info->duration ? info->duration : 1375 jiffies_to_msecs(HZ); 1376 1377 mt792x_mutex_acquire(dev); 1378 mt7925_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1379 MT7925_ROC_REQ_JOIN); 1380 mt792x_mutex_release(dev); 1381 } 1382 1383 static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1384 struct ieee80211_vif *vif, 1385 struct ieee80211_prep_tx_info *info) 1386 { 1387 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1388 1389 mt7925_abort_roc(mvif->phy, mvif); 1390 } 1391 1392 const struct ieee80211_ops mt7925_ops = { 1393 .tx = mt792x_tx, 1394 .start = mt7925_start, 1395 .stop = mt792x_stop, 1396 .add_interface = mt7925_add_interface, 1397 .remove_interface = mt792x_remove_interface, 1398 .config = mt7925_config, 1399 .conf_tx = mt792x_conf_tx, 1400 .configure_filter = mt7925_configure_filter, 1401 .bss_info_changed = mt7925_bss_info_changed, 1402 .start_ap = mt7925_start_ap, 1403 .stop_ap = mt7925_stop_ap, 1404 .sta_state = mt76_sta_state, 1405 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1406 .set_key = mt7925_set_key, 1407 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 1408 #if IS_ENABLED(CONFIG_IPV6) 1409 .ipv6_addr_change = mt7925_ipv6_addr_change, 1410 #endif /* CONFIG_IPV6 */ 1411 .ampdu_action = mt7925_ampdu_action, 1412 .set_rts_threshold = mt7925_set_rts_threshold, 1413 .wake_tx_queue = mt76_wake_tx_queue, 1414 .release_buffered_frames = mt76_release_buffered_frames, 1415 .channel_switch_beacon = mt7925_channel_switch_beacon, 1416 .get_txpower = mt76_get_txpower, 1417 .get_stats = mt792x_get_stats, 1418 .get_et_sset_count = mt792x_get_et_sset_count, 1419 .get_et_strings = mt792x_get_et_strings, 1420 .get_et_stats = mt792x_get_et_stats, 1421 .get_tsf = mt792x_get_tsf, 1422 .set_tsf = mt792x_set_tsf, 1423 .get_survey = mt76_get_survey, 1424 .get_antenna = mt76_get_antenna, 1425 .set_antenna = mt7925_set_antenna, 1426 .set_coverage_class = mt792x_set_coverage_class, 1427 .hw_scan = mt7925_hw_scan, 1428 .cancel_hw_scan = mt7925_cancel_hw_scan, 1429 .sta_statistics = mt792x_sta_statistics, 1430 .sched_scan_start = mt7925_start_sched_scan, 1431 .sched_scan_stop = mt7925_stop_sched_scan, 1432 #ifdef CONFIG_PM 1433 .suspend = mt7925_suspend, 1434 .resume = mt7925_resume, 1435 .set_wakeup = mt792x_set_wakeup, 1436 .set_rekey_data = mt7925_set_rekey_data, 1437 #endif /* CONFIG_PM */ 1438 .flush = mt792x_flush, 1439 .set_sar_specs = mt7925_set_sar_specs, 1440 .remain_on_channel = mt7925_remain_on_channel, 1441 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 1442 .add_chanctx = mt7925_add_chanctx, 1443 .remove_chanctx = mt7925_remove_chanctx, 1444 .change_chanctx = mt7925_change_chanctx, 1445 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1446 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1447 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 1448 .mgd_complete_tx = mt7925_mgd_complete_tx, 1449 }; 1450 EXPORT_SYMBOL_GPL(mt7925_ops); 1451 1452 MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 1453 MODULE_LICENSE("Dual BSD/GPL"); 1454