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 14static void 15mt7925_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 155static void 156mt7925_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 239static 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 266void 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 281int __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} 306EXPORT_SYMBOL_GPL(__mt7925_start); 307 308static 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 320static int 321mt7925_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 mvif->sta.vif = mvif; 363 mt76_wcid_init(&mvif->sta.wcid); 364 365 mt7925_mac_wtbl_update(dev, idx, 366 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 367 368 ewma_rssi_init(&mvif->rssi); 369 370 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 371 if (vif->txq) { 372 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 373 mtxq->wcid = idx; 374 } 375 376 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 377out: 378 mt792x_mutex_release(dev); 379 380 return ret; 381} 382 383static void mt7925_roc_iter(void *priv, u8 *mac, 384 struct ieee80211_vif *vif) 385{ 386 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 387 struct mt792x_phy *phy = priv; 388 389 mt7925_mcu_abort_roc(phy, mvif, phy->roc_token_id); 390} 391 392void mt7925_roc_work(struct work_struct *work) 393{ 394 struct mt792x_phy *phy; 395 396 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 397 roc_work); 398 399 if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 400 return; 401 402 mt792x_mutex_acquire(phy->dev); 403 ieee80211_iterate_active_interfaces(phy->mt76->hw, 404 IEEE80211_IFACE_ITER_RESUME_ALL, 405 mt7925_roc_iter, phy); 406 mt792x_mutex_release(phy->dev); 407 ieee80211_remain_on_channel_expired(phy->mt76->hw); 408} 409 410static int mt7925_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) 411{ 412 int err = 0; 413 414 del_timer_sync(&phy->roc_timer); 415 cancel_work_sync(&phy->roc_work); 416 417 mt792x_mutex_acquire(phy->dev); 418 if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) 419 err = mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); 420 mt792x_mutex_release(phy->dev); 421 422 return err; 423} 424 425static int mt7925_set_roc(struct mt792x_phy *phy, 426 struct mt792x_vif *vif, 427 struct ieee80211_channel *chan, 428 int duration, 429 enum mt7925_roc_req type) 430{ 431 int err; 432 433 if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) 434 return -EBUSY; 435 436 phy->roc_grant = false; 437 438 err = mt7925_mcu_set_roc(phy, vif, chan, duration, type, 439 ++phy->roc_token_id); 440 if (err < 0) { 441 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 442 goto out; 443 } 444 445 if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { 446 mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); 447 clear_bit(MT76_STATE_ROC, &phy->mt76->state); 448 err = -ETIMEDOUT; 449 } 450 451out: 452 return err; 453} 454 455static int mt7925_remain_on_channel(struct ieee80211_hw *hw, 456 struct ieee80211_vif *vif, 457 struct ieee80211_channel *chan, 458 int duration, 459 enum ieee80211_roc_type type) 460{ 461 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 462 struct mt792x_phy *phy = mt792x_hw_phy(hw); 463 int err; 464 465 mt792x_mutex_acquire(phy->dev); 466 err = mt7925_set_roc(phy, mvif, chan, duration, MT7925_ROC_REQ_ROC); 467 mt792x_mutex_release(phy->dev); 468 469 return err; 470} 471 472static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, 473 struct ieee80211_vif *vif) 474{ 475 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 476 struct mt792x_phy *phy = mt792x_hw_phy(hw); 477 478 return mt7925_abort_roc(phy, mvif); 479} 480 481static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 482 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 483 struct ieee80211_key_conf *key) 484{ 485 struct mt792x_dev *dev = mt792x_hw_dev(hw); 486 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 487 struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv : 488 &mvif->sta; 489 struct mt76_wcid *wcid = &msta->wcid; 490 u8 *wcid_keyidx = &wcid->hw_key_idx; 491 int idx = key->keyidx, err = 0; 492 493 /* The hardware does not support per-STA RX GTK, fallback 494 * to software mode for these. 495 */ 496 if ((vif->type == NL80211_IFTYPE_ADHOC || 497 vif->type == NL80211_IFTYPE_MESH_POINT) && 498 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 499 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 500 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 501 return -EOPNOTSUPP; 502 503 /* fall back to sw encryption for unsupported ciphers */ 504 switch (key->cipher) { 505 case WLAN_CIPHER_SUITE_AES_CMAC: 506 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 507 wcid_keyidx = &wcid->hw_key_idx2; 508 break; 509 case WLAN_CIPHER_SUITE_WEP40: 510 case WLAN_CIPHER_SUITE_WEP104: 511 if (!mvif->wep_sta) 512 return -EOPNOTSUPP; 513 break; 514 case WLAN_CIPHER_SUITE_TKIP: 515 case WLAN_CIPHER_SUITE_CCMP: 516 case WLAN_CIPHER_SUITE_CCMP_256: 517 case WLAN_CIPHER_SUITE_GCMP: 518 case WLAN_CIPHER_SUITE_GCMP_256: 519 case WLAN_CIPHER_SUITE_SMS4: 520 break; 521 default: 522 return -EOPNOTSUPP; 523 } 524 525 mt792x_mutex_acquire(dev); 526 527 if (cmd == SET_KEY && !mvif->mt76.cipher) { 528 struct mt792x_phy *phy = mt792x_hw_phy(hw); 529 530 mvif->mt76.cipher = mt7925_mcu_get_cipher(key->cipher); 531 mt7925_mcu_add_bss_info(phy, mvif->mt76.ctx, vif, sta, true); 532 } 533 534 if (cmd == SET_KEY) 535 *wcid_keyidx = idx; 536 else if (idx == *wcid_keyidx) 537 *wcid_keyidx = -1; 538 else 539 goto out; 540 541 mt76_wcid_key_setup(&dev->mt76, wcid, 542 cmd == SET_KEY ? key : NULL); 543 544 err = mt7925_mcu_add_key(&dev->mt76, vif, &msta->bip, 545 key, MCU_UNI_CMD(STA_REC_UPDATE), 546 &msta->wcid, cmd); 547 548 if (err) 549 goto out; 550 551 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 552 key->cipher == WLAN_CIPHER_SUITE_WEP40) 553 err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip, 554 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), 555 &mvif->wep_sta->wcid, cmd); 556 557out: 558 mt792x_mutex_release(dev); 559 560 return err; 561} 562 563static void 564mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 565{ 566 struct mt792x_dev *dev = priv; 567 struct ieee80211_hw *hw = mt76_hw(dev); 568 bool pm_enable = dev->pm.enable; 569 int err; 570 571 err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); 572 if (err < 0) 573 return; 574 575 if (pm_enable) { 576 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 577 ieee80211_hw_set(hw, CONNECTION_MONITOR); 578 } else { 579 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 580 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); 581 } 582} 583 584static void 585mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 586{ 587 struct mt792x_dev *dev = priv; 588 struct ieee80211_hw *hw = mt76_hw(dev); 589 struct mt76_connac_pm *pm = &dev->pm; 590 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 591 592 mt7925_mcu_set_sniffer(dev, vif, monitor); 593 pm->enable = pm->enable_user && !monitor; 594 pm->ds_enable = pm->ds_enable_user && !monitor; 595 596 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 597 598 if (monitor) 599 mt7925_mcu_set_beacon_filter(dev, vif, false); 600} 601 602void mt7925_set_runtime_pm(struct mt792x_dev *dev) 603{ 604 struct ieee80211_hw *hw = mt76_hw(dev); 605 struct mt76_connac_pm *pm = &dev->pm; 606 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 607 608 pm->enable = pm->enable_user && !monitor; 609 ieee80211_iterate_active_interfaces(hw, 610 IEEE80211_IFACE_ITER_RESUME_ALL, 611 mt7925_pm_interface_iter, dev); 612 pm->ds_enable = pm->ds_enable_user && !monitor; 613 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 614} 615 616static int mt7925_config(struct ieee80211_hw *hw, u32 changed) 617{ 618 struct mt792x_dev *dev = mt792x_hw_dev(hw); 619 int ret = 0; 620 621 mt792x_mutex_acquire(dev); 622 623 if (changed & IEEE80211_CONF_CHANGE_POWER) { 624 ret = mt7925_set_tx_sar_pwr(hw, NULL); 625 if (ret) 626 goto out; 627 } 628 629 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 630 ieee80211_iterate_active_interfaces(hw, 631 IEEE80211_IFACE_ITER_RESUME_ALL, 632 mt7925_sniffer_interface_iter, dev); 633 } 634 635out: 636 mt792x_mutex_release(dev); 637 638 return ret; 639} 640 641static void mt7925_configure_filter(struct ieee80211_hw *hw, 642 unsigned int changed_flags, 643 unsigned int *total_flags, 644 u64 multicast) 645{ 646#define MT7925_FILTER_FCSFAIL BIT(2) 647#define MT7925_FILTER_CONTROL BIT(5) 648#define MT7925_FILTER_OTHER_BSS BIT(6) 649#define MT7925_FILTER_ENABLE BIT(31) 650 struct mt792x_dev *dev = mt792x_hw_dev(hw); 651 u32 flags = MT7925_FILTER_ENABLE; 652 653#define MT7925_FILTER(_fif, _type) do { \ 654 if (*total_flags & (_fif)) \ 655 flags |= MT7925_FILTER_##_type; \ 656 } while (0) 657 658 MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); 659 MT7925_FILTER(FIF_CONTROL, CONTROL); 660 MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); 661 662 mt792x_mutex_acquire(dev); 663 mt7925_mcu_set_rxfilter(dev, flags, 0, 0); 664 mt792x_mutex_release(dev); 665 666 *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); 667} 668 669static u8 670mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 671 bool beacon, bool mcast) 672{ 673 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 674 struct mt76_phy *mphy = hw->priv; 675 u16 rate; 676 u8 i, idx, ht; 677 678 rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); 679 ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; 680 681 if (beacon && ht) { 682 struct mt792x_dev *dev = mt792x_hw_dev(hw); 683 684 /* must odd index */ 685 idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); 686 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 687 return idx; 688 } 689 690 idx = FIELD_GET(MT_TX_RATE_IDX, rate); 691 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) 692 if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) 693 return MT792x_BASIC_RATES_TBL + i; 694 695 return mvif->basic_rates_idx; 696} 697 698static void mt7925_bss_info_changed(struct ieee80211_hw *hw, 699 struct ieee80211_vif *vif, 700 struct ieee80211_bss_conf *info, 701 u64 changed) 702{ 703 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 704 struct mt792x_phy *phy = mt792x_hw_phy(hw); 705 struct mt792x_dev *dev = mt792x_hw_dev(hw); 706 707 mt792x_mutex_acquire(dev); 708 709 if (changed & BSS_CHANGED_ERP_SLOT) { 710 int slottime = info->use_short_slot ? 9 : 20; 711 712 if (slottime != phy->slottime) { 713 phy->slottime = slottime; 714 mt7925_mcu_set_timing(phy, vif); 715 } 716 } 717 718 if (changed & BSS_CHANGED_MCAST_RATE) 719 mvif->mcast_rates_idx = 720 mt7925_get_rates_table(hw, vif, false, true); 721 722 if (changed & BSS_CHANGED_BASIC_RATES) 723 mvif->basic_rates_idx = 724 mt7925_get_rates_table(hw, vif, false, false); 725 726 if (changed & (BSS_CHANGED_BEACON | 727 BSS_CHANGED_BEACON_ENABLED)) { 728 mvif->beacon_rates_idx = 729 mt7925_get_rates_table(hw, vif, true, false); 730 731 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, 732 info->enable_beacon); 733 } 734 735 /* ensure that enable txcmd_mode after bss_info */ 736 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 737 mt7925_mcu_set_tx(dev, vif); 738 739 if (changed & BSS_CHANGED_PS) 740 mt7925_mcu_uni_bss_ps(dev, vif); 741 742 if (changed & BSS_CHANGED_ASSOC) { 743 mt7925_mcu_sta_update(dev, NULL, vif, true, 744 MT76_STA_INFO_STATE_ASSOC); 745 mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); 746 } 747 748 if (changed & BSS_CHANGED_ARP_FILTER) { 749 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 750 751 mt7925_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info); 752 } 753 754 mt792x_mutex_release(dev); 755} 756 757int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 758 struct ieee80211_sta *sta) 759{ 760 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 761 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 762 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 763 int ret, idx; 764 765 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); 766 if (idx < 0) 767 return -ENOSPC; 768 769 INIT_LIST_HEAD(&msta->wcid.poll_list); 770 msta->vif = mvif; 771 msta->wcid.sta = 1; 772 msta->wcid.idx = idx; 773 msta->wcid.phy_idx = mvif->mt76.band_idx; 774 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 775 msta->last_txs = jiffies; 776 777 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 778 if (ret) 779 return ret; 780 781 if (vif->type == NL80211_IFTYPE_STATION) 782 mvif->wep_sta = msta; 783 784 mt7925_mac_wtbl_update(dev, idx, 785 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 786 787 /* should update bss info before STA add */ 788 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 789 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 790 false); 791 792 ret = mt7925_mcu_sta_update(dev, sta, vif, true, 793 MT76_STA_INFO_STATE_NONE); 794 if (ret) 795 return ret; 796 797 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 798 799 return 0; 800} 801EXPORT_SYMBOL_GPL(mt7925_mac_sta_add); 802 803void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 804 struct ieee80211_sta *sta) 805{ 806 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 807 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 808 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 809 810 mt792x_mutex_acquire(dev); 811 812 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 813 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 814 true); 815 816 ewma_avg_signal_init(&msta->avg_ack_signal); 817 818 mt7925_mac_wtbl_update(dev, msta->wcid.idx, 819 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 820 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 821 822 mt7925_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 823 824 mt792x_mutex_release(dev); 825} 826EXPORT_SYMBOL_GPL(mt7925_mac_sta_assoc); 827 828void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 829 struct ieee80211_sta *sta) 830{ 831 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 832 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 833 834 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 835 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 836 837 mt7925_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 838 mt7925_mac_wtbl_update(dev, msta->wcid.idx, 839 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 840 841 if (vif->type == NL80211_IFTYPE_STATION) { 842 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 843 844 mvif->wep_sta = NULL; 845 ewma_rssi_init(&mvif->rssi); 846 if (!sta->tdls) 847 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, 848 false); 849 } 850 851 spin_lock_bh(&mdev->sta_poll_lock); 852 if (!list_empty(&msta->wcid.poll_list)) 853 list_del_init(&msta->wcid.poll_list); 854 spin_unlock_bh(&mdev->sta_poll_lock); 855 856 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 857} 858EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); 859 860static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 861{ 862 struct mt792x_dev *dev = mt792x_hw_dev(hw); 863 864 mt792x_mutex_acquire(dev); 865 mt7925_mcu_set_rts_thresh(&dev->phy, val); 866 mt792x_mutex_release(dev); 867 868 return 0; 869} 870 871static int 872mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 873 struct ieee80211_ampdu_params *params) 874{ 875 enum ieee80211_ampdu_mlme_action action = params->action; 876 struct mt792x_dev *dev = mt792x_hw_dev(hw); 877 struct ieee80211_sta *sta = params->sta; 878 struct ieee80211_txq *txq = sta->txq[params->tid]; 879 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 880 u16 tid = params->tid; 881 u16 ssn = params->ssn; 882 struct mt76_txq *mtxq; 883 int ret = 0; 884 885 if (!txq) 886 return -EINVAL; 887 888 mtxq = (struct mt76_txq *)txq->drv_priv; 889 890 mt792x_mutex_acquire(dev); 891 switch (action) { 892 case IEEE80211_AMPDU_RX_START: 893 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 894 params->buf_size); 895 mt7925_mcu_uni_rx_ba(dev, params, true); 896 break; 897 case IEEE80211_AMPDU_RX_STOP: 898 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 899 mt7925_mcu_uni_rx_ba(dev, params, false); 900 break; 901 case IEEE80211_AMPDU_TX_OPERATIONAL: 902 mtxq->aggr = true; 903 mtxq->send_bar = false; 904 mt7925_mcu_uni_tx_ba(dev, params, true); 905 break; 906 case IEEE80211_AMPDU_TX_STOP_FLUSH: 907 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 908 mtxq->aggr = false; 909 clear_bit(tid, &msta->wcid.ampdu_state); 910 mt7925_mcu_uni_tx_ba(dev, params, false); 911 break; 912 case IEEE80211_AMPDU_TX_START: 913 set_bit(tid, &msta->wcid.ampdu_state); 914 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 915 break; 916 case IEEE80211_AMPDU_TX_STOP_CONT: 917 mtxq->aggr = false; 918 clear_bit(tid, &msta->wcid.ampdu_state); 919 mt7925_mcu_uni_tx_ba(dev, params, false); 920 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 921 break; 922 } 923 mt792x_mutex_release(dev); 924 925 return ret; 926} 927 928static bool is_valid_alpha2(const char *alpha2) 929{ 930 if (!alpha2) 931 return false; 932 933 if (alpha2[0] == '0' && alpha2[1] == '0') 934 return true; 935 936 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 937 return true; 938 939 return false; 940} 941 942void mt7925_scan_work(struct work_struct *work) 943{ 944 struct mt792x_phy *phy; 945 946 phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, 947 scan_work.work); 948 949 while (true) { 950 struct mt76_dev *mdev = &phy->dev->mt76; 951 struct sk_buff *skb; 952 struct tlv *tlv; 953 int tlv_len; 954 955 spin_lock_bh(&phy->dev->mt76.lock); 956 skb = __skb_dequeue(&phy->scan_event_list); 957 spin_unlock_bh(&phy->dev->mt76.lock); 958 959 if (!skb) 960 break; 961 962 skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); 963 tlv = (struct tlv *)skb->data; 964 tlv_len = skb->len; 965 966 while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { 967 struct mt7925_mcu_scan_chinfo_event *evt; 968 969 switch (le16_to_cpu(tlv->tag)) { 970 case UNI_EVENT_SCAN_DONE_BASIC: 971 if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) { 972 struct cfg80211_scan_info info = { 973 .aborted = false, 974 }; 975 ieee80211_scan_completed(phy->mt76->hw, &info); 976 } 977 break; 978 case UNI_EVENT_SCAN_DONE_CHNLINFO: 979 evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; 980 981 if (!is_valid_alpha2(evt->alpha2)) 982 break; 983 984 if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') 985 break; 986 987 mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); 988 989 break; 990 case UNI_EVENT_SCAN_DONE_NLO: 991 ieee80211_sched_scan_results(phy->mt76->hw); 992 break; 993 default: 994 break; 995 } 996 997 tlv_len -= le16_to_cpu(tlv->len); 998 tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); 999 } 1000 1001 dev_kfree_skb(skb); 1002 } 1003} 1004 1005static int 1006mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1007 struct ieee80211_scan_request *req) 1008{ 1009 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1010 struct mt76_phy *mphy = hw->priv; 1011 int err; 1012 1013 mt792x_mutex_acquire(dev); 1014 err = mt7925_mcu_hw_scan(mphy, vif, req); 1015 mt792x_mutex_release(dev); 1016 1017 return err; 1018} 1019 1020static void 1021mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1022{ 1023 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1024 struct mt76_phy *mphy = hw->priv; 1025 1026 mt792x_mutex_acquire(dev); 1027 mt7925_mcu_cancel_hw_scan(mphy, vif); 1028 mt792x_mutex_release(dev); 1029} 1030 1031static int 1032mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1033 struct cfg80211_sched_scan_request *req, 1034 struct ieee80211_scan_ies *ies) 1035{ 1036 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1037 struct mt76_phy *mphy = hw->priv; 1038 int err; 1039 1040 mt792x_mutex_acquire(dev); 1041 1042 err = mt7925_mcu_sched_scan_req(mphy, vif, req); 1043 if (err < 0) 1044 goto out; 1045 1046 err = mt7925_mcu_sched_scan_enable(mphy, vif, true); 1047out: 1048 mt792x_mutex_release(dev); 1049 1050 return err; 1051} 1052 1053static int 1054mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1055{ 1056 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1057 struct mt76_phy *mphy = hw->priv; 1058 int err; 1059 1060 mt792x_mutex_acquire(dev); 1061 err = mt7925_mcu_sched_scan_enable(mphy, vif, false); 1062 mt792x_mutex_release(dev); 1063 1064 return err; 1065} 1066 1067static int 1068mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1069{ 1070 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1071 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1072 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1073 1074 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1075 return -EINVAL; 1076 1077 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1078 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1079 1080 mt792x_mutex_acquire(dev); 1081 1082 phy->mt76->antenna_mask = tx_ant; 1083 phy->mt76->chainmask = tx_ant; 1084 1085 mt76_set_stream_caps(phy->mt76, true); 1086 mt7925_set_stream_he_eht_caps(phy); 1087 1088 /* TODO: update bmc_wtbl spe_idx when antenna changes */ 1089 mt792x_mutex_release(dev); 1090 1091 return 0; 1092} 1093 1094#ifdef CONFIG_PM 1095static int mt7925_suspend(struct ieee80211_hw *hw, 1096 struct cfg80211_wowlan *wowlan) 1097{ 1098 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1099 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1100 1101 cancel_delayed_work_sync(&phy->scan_work); 1102 cancel_delayed_work_sync(&phy->mt76->mac_work); 1103 1104 cancel_delayed_work_sync(&dev->pm.ps_work); 1105 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1106 1107 mt792x_mutex_acquire(dev); 1108 1109 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1110 ieee80211_iterate_active_interfaces(hw, 1111 IEEE80211_IFACE_ITER_RESUME_ALL, 1112 mt7925_mcu_set_suspend_iter, 1113 &dev->mphy); 1114 1115 mt792x_mutex_release(dev); 1116 1117 return 0; 1118} 1119 1120static int mt7925_resume(struct ieee80211_hw *hw) 1121{ 1122 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1123 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1124 1125 mt792x_mutex_acquire(dev); 1126 1127 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1128 ieee80211_iterate_active_interfaces(hw, 1129 IEEE80211_IFACE_ITER_RESUME_ALL, 1130 mt7925_mcu_set_suspend_iter, 1131 &dev->mphy); 1132 1133 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1134 MT792x_WATCHDOG_TIME); 1135 1136 mt792x_mutex_release(dev); 1137 1138 return 0; 1139} 1140 1141static void mt7925_set_rekey_data(struct ieee80211_hw *hw, 1142 struct ieee80211_vif *vif, 1143 struct cfg80211_gtk_rekey_data *data) 1144{ 1145 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1146 1147 mt792x_mutex_acquire(dev); 1148 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1149 mt792x_mutex_release(dev); 1150} 1151#endif /* CONFIG_PM */ 1152 1153static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, 1154 struct ieee80211_vif *vif, 1155 struct ieee80211_sta *sta, 1156 bool enabled) 1157{ 1158 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 1159 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1160 1161 mt792x_mutex_acquire(dev); 1162 1163 if (enabled) 1164 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1165 else 1166 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1167 1168 mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta); 1169 1170 mt792x_mutex_release(dev); 1171} 1172 1173#if IS_ENABLED(CONFIG_IPV6) 1174static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, 1175 struct ieee80211_vif *vif, 1176 struct inet6_dev *idev) 1177{ 1178 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1179 struct mt792x_dev *dev = mvif->phy->dev; 1180 struct inet6_ifaddr *ifa; 1181 struct sk_buff *skb; 1182 u8 idx = 0; 1183 1184 struct { 1185 struct { 1186 u8 bss_idx; 1187 u8 pad[3]; 1188 } __packed hdr; 1189 struct mt7925_arpns_tlv arpns; 1190 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1191 } req_hdr = { 1192 .hdr = { 1193 .bss_idx = mvif->mt76.idx, 1194 }, 1195 .arpns = { 1196 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1197 .len = cpu_to_le16(sizeof(req_hdr) - 4), 1198 .enable = true, 1199 }, 1200 }; 1201 1202 read_lock_bh(&idev->lock); 1203 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1204 if (ifa->flags & IFA_F_TENTATIVE) 1205 continue; 1206 req_hdr.ns_addrs[idx] = ifa->addr; 1207 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1208 break; 1209 } 1210 read_unlock_bh(&idev->lock); 1211 1212 if (!idx) 1213 return; 1214 1215 req_hdr.arpns.ips_num = idx; 1216 1217 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), 1218 0, GFP_ATOMIC); 1219 if (!skb) 1220 return; 1221 1222 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1223 1224 skb_queue_tail(&dev->ipv6_ns_list, skb); 1225 1226 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1227} 1228#endif 1229 1230int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, 1231 const struct cfg80211_sar_specs *sar) 1232{ 1233 struct mt76_phy *mphy = hw->priv; 1234 1235 if (sar) { 1236 int err = mt76_init_sar_power(hw, sar); 1237 1238 if (err) 1239 return err; 1240 } 1241 mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); 1242 1243 return mt7925_mcu_set_rate_txpower(mphy); 1244} 1245 1246static int mt7925_set_sar_specs(struct ieee80211_hw *hw, 1247 const struct cfg80211_sar_specs *sar) 1248{ 1249 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1250 int err; 1251 1252 mt792x_mutex_acquire(dev); 1253 err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, 1254 dev->country_ie_env); 1255 if (err < 0) 1256 goto out; 1257 1258 err = mt7925_set_tx_sar_pwr(hw, sar); 1259out: 1260 mt792x_mutex_release(dev); 1261 1262 return err; 1263} 1264 1265static void 1266mt7925_channel_switch_beacon(struct ieee80211_hw *hw, 1267 struct ieee80211_vif *vif, 1268 struct cfg80211_chan_def *chandef) 1269{ 1270 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1271 1272 mt792x_mutex_acquire(dev); 1273 mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1274 mt792x_mutex_release(dev); 1275} 1276 1277static int 1278mt7925_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1279 unsigned int link_id, u16 queue, 1280 const struct ieee80211_tx_queue_params *params) 1281{ 1282 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1283 static const u8 mq_to_aci[] = { 1284 [IEEE80211_AC_VO] = 3, 1285 [IEEE80211_AC_VI] = 2, 1286 [IEEE80211_AC_BE] = 0, 1287 [IEEE80211_AC_BK] = 1, 1288 }; 1289 1290 /* firmware uses access class index */ 1291 mvif->queue_params[mq_to_aci[queue]] = *params; 1292 1293 return 0; 1294} 1295 1296static int 1297mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1298 struct ieee80211_bss_conf *link_conf) 1299{ 1300 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1301 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1302 int err; 1303 1304 mt792x_mutex_acquire(dev); 1305 1306 err = mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, 1307 true); 1308 if (err) 1309 goto out; 1310 1311 err = mt7925_mcu_set_bss_pm(dev, vif, true); 1312 if (err) 1313 goto out; 1314 1315 err = mt7925_mcu_sta_update(dev, NULL, vif, true, 1316 MT76_STA_INFO_STATE_NONE); 1317out: 1318 mt792x_mutex_release(dev); 1319 1320 return err; 1321} 1322 1323static void 1324mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1325 struct ieee80211_bss_conf *link_conf) 1326{ 1327 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1328 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1329 int err; 1330 1331 mt792x_mutex_acquire(dev); 1332 1333 err = mt7925_mcu_set_bss_pm(dev, vif, false); 1334 if (err) 1335 goto out; 1336 1337 mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, 1338 false); 1339 1340out: 1341 mt792x_mutex_release(dev); 1342} 1343 1344static int 1345mt7925_add_chanctx(struct ieee80211_hw *hw, 1346 struct ieee80211_chanctx_conf *ctx) 1347{ 1348 return 0; 1349} 1350 1351static void 1352mt7925_remove_chanctx(struct ieee80211_hw *hw, 1353 struct ieee80211_chanctx_conf *ctx) 1354{ 1355} 1356 1357static void mt7925_ctx_iter(void *priv, u8 *mac, 1358 struct ieee80211_vif *vif) 1359{ 1360 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1361 struct ieee80211_chanctx_conf *ctx = priv; 1362 1363 if (ctx != mvif->mt76.ctx) 1364 return; 1365 1366 if (vif->type == NL80211_IFTYPE_MONITOR) { 1367 mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); 1368 mt7925_mcu_config_sniffer(mvif, ctx); 1369 } else { 1370 mt7925_mcu_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); 1371 } 1372} 1373 1374static void 1375mt7925_change_chanctx(struct ieee80211_hw *hw, 1376 struct ieee80211_chanctx_conf *ctx, 1377 u32 changed) 1378{ 1379 struct mt792x_phy *phy = mt792x_hw_phy(hw); 1380 1381 mt792x_mutex_acquire(phy->dev); 1382 ieee80211_iterate_active_interfaces(phy->mt76->hw, 1383 IEEE80211_IFACE_ITER_ACTIVE, 1384 mt7925_ctx_iter, ctx); 1385 mt792x_mutex_release(phy->dev); 1386} 1387 1388static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, 1389 struct ieee80211_vif *vif, 1390 struct ieee80211_prep_tx_info *info) 1391{ 1392 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1393 struct mt792x_dev *dev = mt792x_hw_dev(hw); 1394 u16 duration = info->duration ? info->duration : 1395 jiffies_to_msecs(HZ); 1396 1397 mt792x_mutex_acquire(dev); 1398 mt7925_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, 1399 MT7925_ROC_REQ_JOIN); 1400 mt792x_mutex_release(dev); 1401} 1402 1403static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, 1404 struct ieee80211_vif *vif, 1405 struct ieee80211_prep_tx_info *info) 1406{ 1407 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1408 1409 mt7925_abort_roc(mvif->phy, mvif); 1410} 1411 1412const struct ieee80211_ops mt7925_ops = { 1413 .tx = mt792x_tx, 1414 .start = mt7925_start, 1415 .stop = mt792x_stop, 1416 .add_interface = mt7925_add_interface, 1417 .remove_interface = mt792x_remove_interface, 1418 .config = mt7925_config, 1419 .conf_tx = mt7925_conf_tx, 1420 .configure_filter = mt7925_configure_filter, 1421 .bss_info_changed = mt7925_bss_info_changed, 1422 .start_ap = mt7925_start_ap, 1423 .stop_ap = mt7925_stop_ap, 1424 .sta_state = mt76_sta_state, 1425 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1426 .set_key = mt7925_set_key, 1427 .sta_set_decap_offload = mt7925_sta_set_decap_offload, 1428#if IS_ENABLED(CONFIG_IPV6) 1429 .ipv6_addr_change = mt7925_ipv6_addr_change, 1430#endif /* CONFIG_IPV6 */ 1431 .ampdu_action = mt7925_ampdu_action, 1432 .set_rts_threshold = mt7925_set_rts_threshold, 1433 .wake_tx_queue = mt76_wake_tx_queue, 1434 .release_buffered_frames = mt76_release_buffered_frames, 1435 .channel_switch_beacon = mt7925_channel_switch_beacon, 1436 .get_txpower = mt76_get_txpower, 1437 .get_stats = mt792x_get_stats, 1438 .get_et_sset_count = mt792x_get_et_sset_count, 1439 .get_et_strings = mt792x_get_et_strings, 1440 .get_et_stats = mt792x_get_et_stats, 1441 .get_tsf = mt792x_get_tsf, 1442 .set_tsf = mt792x_set_tsf, 1443 .get_survey = mt76_get_survey, 1444 .get_antenna = mt76_get_antenna, 1445 .set_antenna = mt7925_set_antenna, 1446 .set_coverage_class = mt792x_set_coverage_class, 1447 .hw_scan = mt7925_hw_scan, 1448 .cancel_hw_scan = mt7925_cancel_hw_scan, 1449 .sta_statistics = mt792x_sta_statistics, 1450 .sched_scan_start = mt7925_start_sched_scan, 1451 .sched_scan_stop = mt7925_stop_sched_scan, 1452#ifdef CONFIG_PM 1453 .suspend = mt7925_suspend, 1454 .resume = mt7925_resume, 1455 .set_wakeup = mt792x_set_wakeup, 1456 .set_rekey_data = mt7925_set_rekey_data, 1457#endif /* CONFIG_PM */ 1458 .flush = mt792x_flush, 1459 .set_sar_specs = mt7925_set_sar_specs, 1460 .remain_on_channel = mt7925_remain_on_channel, 1461 .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, 1462 .add_chanctx = mt7925_add_chanctx, 1463 .remove_chanctx = mt7925_remove_chanctx, 1464 .change_chanctx = mt7925_change_chanctx, 1465 .assign_vif_chanctx = mt792x_assign_vif_chanctx, 1466 .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, 1467 .mgd_prepare_tx = mt7925_mgd_prepare_tx, 1468 .mgd_complete_tx = mt7925_mgd_complete_tx, 1469}; 1470EXPORT_SYMBOL_GPL(mt7925_ops); 1471 1472MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); 1473MODULE_DESCRIPTION("MediaTek MT7925 core driver"); 1474MODULE_LICENSE("Dual BSD/GPL"); 1475