1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 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 "mt7921.h" 9 #include "mcu.h" 10 11 static void 12 mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) 13 { 14 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ 15 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 16 17 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | 18 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, 19 ru_bit_mask); 20 21 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * 22 nss * hweight8(ru_bit_mask) * 2; 23 ppet_size = DIV_ROUND_UP(ppet_bits, 8); 24 25 for (i = 0; i < ppet_size - 1; i++) 26 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; 27 28 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & 29 (0xff >> (8 - (ppet_bits - 1) % 8)); 30 } 31 32 static int 33 mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, 34 struct ieee80211_sband_iftype_data *data) 35 { 36 int i, idx = 0; 37 int nss = hweight8(phy->mt76->chainmask); 38 u16 mcs_map = 0; 39 40 for (i = 0; i < 8; i++) { 41 if (i < nss) 42 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 43 else 44 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 45 } 46 47 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 48 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 49 struct ieee80211_he_cap_elem *he_cap_elem = 50 &he_cap->he_cap_elem; 51 struct ieee80211_he_mcs_nss_supp *he_mcs = 52 &he_cap->he_mcs_nss_supp; 53 54 switch (i) { 55 case NL80211_IFTYPE_STATION: 56 break; 57 default: 58 continue; 59 } 60 61 data[idx].types_mask = BIT(i); 62 he_cap->has_he = true; 63 64 he_cap_elem->mac_cap_info[0] = 65 IEEE80211_HE_MAC_CAP0_HTC_HE; 66 he_cap_elem->mac_cap_info[3] = 67 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 68 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 69 he_cap_elem->mac_cap_info[4] = 70 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 71 72 if (band == NL80211_BAND_2GHZ) 73 he_cap_elem->phy_cap_info[0] = 74 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 75 else 76 he_cap_elem->phy_cap_info[0] = 77 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; 78 79 he_cap_elem->phy_cap_info[1] = 80 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 81 he_cap_elem->phy_cap_info[2] = 82 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 83 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 84 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 85 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 86 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 87 88 switch (i) { 89 case NL80211_IFTYPE_STATION: 90 he_cap_elem->mac_cap_info[1] |= 91 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 92 93 if (band == NL80211_BAND_2GHZ) 94 he_cap_elem->phy_cap_info[0] |= 95 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 96 else 97 he_cap_elem->phy_cap_info[0] |= 98 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 99 100 he_cap_elem->phy_cap_info[1] |= 101 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 102 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 103 he_cap_elem->phy_cap_info[3] |= 104 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 105 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 106 he_cap_elem->phy_cap_info[4] |= 107 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 108 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 109 he_cap_elem->phy_cap_info[5] |= 110 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 111 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 112 he_cap_elem->phy_cap_info[6] |= 113 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 114 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 115 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 116 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 117 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 118 he_cap_elem->phy_cap_info[7] |= 119 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 120 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 121 he_cap_elem->phy_cap_info[8] |= 122 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 123 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 124 he_cap_elem->phy_cap_info[9] |= 125 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 126 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 127 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 128 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 129 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 130 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 131 break; 132 } 133 134 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 135 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 136 137 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 138 if (he_cap_elem->phy_cap_info[6] & 139 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 140 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); 141 } else { 142 he_cap_elem->phy_cap_info[9] |= 143 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; 144 } 145 146 if (band == NL80211_BAND_6GHZ) { 147 struct ieee80211_supported_band *sband = 148 &phy->mt76->sband_5g.sband; 149 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 150 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 151 u32 exp; 152 u16 cap; 153 154 cap = u16_encode_bits(ht_cap->ampdu_density, 155 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 156 exp = u32_get_bits(vht_cap->cap, 157 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 158 cap |= u16_encode_bits(exp, 159 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 160 exp = u32_get_bits(vht_cap->cap, 161 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 162 cap |= u16_encode_bits(exp, 163 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 164 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 165 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 166 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 167 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 168 169 data->he_6ghz_capa.capa = cpu_to_le16(cap); 170 } 171 idx++; 172 } 173 174 return idx; 175 } 176 177 void mt7921_set_stream_he_caps(struct mt7921_phy *phy) 178 { 179 struct ieee80211_sband_iftype_data *data; 180 struct ieee80211_supported_band *band; 181 int n; 182 183 if (phy->mt76->cap.has_2ghz) { 184 data = phy->iftype[NL80211_BAND_2GHZ]; 185 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 186 187 band = &phy->mt76->sband_2g.sband; 188 band->iftype_data = data; 189 band->n_iftype_data = n; 190 } 191 192 if (phy->mt76->cap.has_5ghz) { 193 data = phy->iftype[NL80211_BAND_5GHZ]; 194 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 195 196 band = &phy->mt76->sband_5g.sband; 197 band->iftype_data = data; 198 band->n_iftype_data = n; 199 200 if (phy->mt76->cap.has_6ghz) { 201 data = phy->iftype[NL80211_BAND_6GHZ]; 202 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 203 204 band = &phy->mt76->sband_6g.sband; 205 band->iftype_data = data; 206 band->n_iftype_data = n; 207 } 208 } 209 } 210 211 int __mt7921_start(struct mt7921_phy *phy) 212 { 213 struct mt76_phy *mphy = phy->mt76; 214 int err; 215 216 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 217 if (err) 218 return err; 219 220 err = mt76_connac_mcu_set_channel_domain(mphy); 221 if (err) 222 return err; 223 224 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); 225 if (err) 226 return err; 227 228 err = mt76_connac_mcu_set_rate_txpower(phy->mt76); 229 if (err) 230 return err; 231 232 mt7921_mac_reset_counters(phy); 233 set_bit(MT76_STATE_RUNNING, &mphy->state); 234 235 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 236 MT7921_WATCHDOG_TIME); 237 238 return 0; 239 } 240 241 static int mt7921_start(struct ieee80211_hw *hw) 242 { 243 struct mt7921_phy *phy = mt7921_hw_phy(hw); 244 int err; 245 246 mt7921_mutex_acquire(phy->dev); 247 err = __mt7921_start(phy); 248 mt7921_mutex_release(phy->dev); 249 250 return err; 251 } 252 253 static void mt7921_stop(struct ieee80211_hw *hw) 254 { 255 struct mt7921_dev *dev = mt7921_hw_dev(hw); 256 struct mt7921_phy *phy = mt7921_hw_phy(hw); 257 258 cancel_delayed_work_sync(&phy->mt76->mac_work); 259 260 cancel_delayed_work_sync(&dev->pm.ps_work); 261 cancel_work_sync(&dev->pm.wake_work); 262 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 263 264 mt7921_mutex_acquire(dev); 265 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 266 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 267 mt7921_mutex_release(dev); 268 } 269 270 static int mt7921_add_interface(struct ieee80211_hw *hw, 271 struct ieee80211_vif *vif) 272 { 273 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 274 struct mt7921_dev *dev = mt7921_hw_dev(hw); 275 struct mt7921_phy *phy = mt7921_hw_phy(hw); 276 struct mt76_txq *mtxq; 277 int idx, ret = 0; 278 279 mt7921_mutex_acquire(dev); 280 281 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 282 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 283 ret = -ENOSPC; 284 goto out; 285 } 286 287 mvif->mt76.omac_idx = mvif->mt76.idx; 288 mvif->phy = phy; 289 mvif->mt76.band_idx = 0; 290 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; 291 292 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 293 true); 294 if (ret) 295 goto out; 296 297 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 298 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 299 300 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 301 302 INIT_LIST_HEAD(&mvif->sta.poll_list); 303 mvif->sta.wcid.idx = idx; 304 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 305 mvif->sta.wcid.hw_key_idx = -1; 306 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 307 mt76_packet_id_init(&mvif->sta.wcid); 308 309 mt7921_mac_wtbl_update(dev, idx, 310 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 311 312 ewma_rssi_init(&mvif->rssi); 313 314 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 315 if (vif->txq) { 316 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 317 mtxq->wcid = &mvif->sta.wcid; 318 } 319 320 if (vif->type != NL80211_IFTYPE_AP && 321 (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) 322 vif->offload_flags = 0; 323 324 vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; 325 326 out: 327 mt7921_mutex_release(dev); 328 329 return ret; 330 } 331 332 static void mt7921_remove_interface(struct ieee80211_hw *hw, 333 struct ieee80211_vif *vif) 334 { 335 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 336 struct mt7921_sta *msta = &mvif->sta; 337 struct mt7921_dev *dev = mt7921_hw_dev(hw); 338 struct mt7921_phy *phy = mt7921_hw_phy(hw); 339 int idx = msta->wcid.idx; 340 341 mt7921_mutex_acquire(dev); 342 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 343 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 344 345 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 346 347 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 348 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 349 mt7921_mutex_release(dev); 350 351 spin_lock_bh(&dev->sta_poll_lock); 352 if (!list_empty(&msta->poll_list)) 353 list_del_init(&msta->poll_list); 354 spin_unlock_bh(&dev->sta_poll_lock); 355 356 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 357 } 358 359 static int mt7921_set_channel(struct mt7921_phy *phy) 360 { 361 struct mt7921_dev *dev = phy->dev; 362 int ret; 363 364 cancel_delayed_work_sync(&phy->mt76->mac_work); 365 366 mt7921_mutex_acquire(dev); 367 set_bit(MT76_RESET, &phy->mt76->state); 368 369 mt76_set_channel(phy->mt76); 370 371 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); 372 if (ret) 373 goto out; 374 375 mt7921_mac_set_timing(phy); 376 377 mt7921_mac_reset_counters(phy); 378 phy->noise = 0; 379 380 out: 381 clear_bit(MT76_RESET, &phy->mt76->state); 382 mt7921_mutex_release(dev); 383 384 mt76_worker_schedule(&dev->mt76.tx_worker); 385 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 386 MT7921_WATCHDOG_TIME); 387 388 return ret; 389 } 390 391 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 392 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 393 struct ieee80211_key_conf *key) 394 { 395 struct mt7921_dev *dev = mt7921_hw_dev(hw); 396 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 397 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 398 &mvif->sta; 399 struct mt76_wcid *wcid = &msta->wcid; 400 u8 *wcid_keyidx = &wcid->hw_key_idx; 401 int idx = key->keyidx, err = 0; 402 403 /* The hardware does not support per-STA RX GTK, fallback 404 * to software mode for these. 405 */ 406 if ((vif->type == NL80211_IFTYPE_ADHOC || 407 vif->type == NL80211_IFTYPE_MESH_POINT) && 408 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 409 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 410 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 411 return -EOPNOTSUPP; 412 413 /* fall back to sw encryption for unsupported ciphers */ 414 switch (key->cipher) { 415 case WLAN_CIPHER_SUITE_AES_CMAC: 416 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 417 wcid_keyidx = &wcid->hw_key_idx2; 418 break; 419 case WLAN_CIPHER_SUITE_WEP40: 420 case WLAN_CIPHER_SUITE_WEP104: 421 if (!mvif->wep_sta) 422 return -EOPNOTSUPP; 423 break; 424 case WLAN_CIPHER_SUITE_TKIP: 425 case WLAN_CIPHER_SUITE_CCMP: 426 case WLAN_CIPHER_SUITE_CCMP_256: 427 case WLAN_CIPHER_SUITE_GCMP: 428 case WLAN_CIPHER_SUITE_GCMP_256: 429 case WLAN_CIPHER_SUITE_SMS4: 430 break; 431 default: 432 return -EOPNOTSUPP; 433 } 434 435 mt7921_mutex_acquire(dev); 436 437 if (cmd == SET_KEY) 438 *wcid_keyidx = idx; 439 else if (idx == *wcid_keyidx) 440 *wcid_keyidx = -1; 441 else 442 goto out; 443 444 mt76_wcid_key_setup(&dev->mt76, wcid, 445 cmd == SET_KEY ? key : NULL); 446 447 err = mt7921_mcu_add_key(dev, vif, msta, key, cmd); 448 if (err) 449 goto out; 450 451 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 452 key->cipher == WLAN_CIPHER_SUITE_WEP40) 453 err = mt7921_mcu_add_key(dev, vif, mvif->wep_sta, key, cmd); 454 out: 455 mt7921_mutex_release(dev); 456 457 return err; 458 } 459 460 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 461 { 462 struct mt7921_dev *dev = mt7921_hw_dev(hw); 463 struct mt7921_phy *phy = mt7921_hw_phy(hw); 464 int ret; 465 466 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 467 ieee80211_stop_queues(hw); 468 ret = mt7921_set_channel(phy); 469 if (ret) 470 return ret; 471 ieee80211_wake_queues(hw); 472 } 473 474 mt7921_mutex_acquire(dev); 475 476 if (changed & IEEE80211_CONF_CHANGE_POWER) 477 mt76_connac_mcu_set_rate_txpower(phy->mt76); 478 479 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 480 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 481 482 if (!enabled) 483 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 484 else 485 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 486 487 mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN, 488 enabled); 489 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 490 } 491 492 mt7921_mutex_release(dev); 493 494 return 0; 495 } 496 497 static int 498 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 499 const struct ieee80211_tx_queue_params *params) 500 { 501 struct mt7921_dev *dev = mt7921_hw_dev(hw); 502 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 503 504 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 505 queue = mt7921_lmac_mapping(dev, queue); 506 mvif->queue_params[queue] = *params; 507 508 return 0; 509 } 510 511 static void mt7921_configure_filter(struct ieee80211_hw *hw, 512 unsigned int changed_flags, 513 unsigned int *total_flags, 514 u64 multicast) 515 { 516 struct mt7921_dev *dev = mt7921_hw_dev(hw); 517 struct mt7921_phy *phy = mt7921_hw_phy(hw); 518 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 519 MT_WF_RFCR1_DROP_BF_POLL | 520 MT_WF_RFCR1_DROP_BA | 521 MT_WF_RFCR1_DROP_CFEND | 522 MT_WF_RFCR1_DROP_CFACK; 523 u32 flags = 0; 524 525 #define MT76_FILTER(_flag, _hw) do { \ 526 flags |= *total_flags & FIF_##_flag; \ 527 phy->rxfilter &= ~(_hw); \ 528 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 529 } while (0) 530 531 mt7921_mutex_acquire(dev); 532 533 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 534 MT_WF_RFCR_DROP_OTHER_BEACON | 535 MT_WF_RFCR_DROP_FRAME_REPORT | 536 MT_WF_RFCR_DROP_PROBEREQ | 537 MT_WF_RFCR_DROP_MCAST_FILTERED | 538 MT_WF_RFCR_DROP_MCAST | 539 MT_WF_RFCR_DROP_BCAST | 540 MT_WF_RFCR_DROP_DUPLICATE | 541 MT_WF_RFCR_DROP_A2_BSSID | 542 MT_WF_RFCR_DROP_UNWANTED_CTL | 543 MT_WF_RFCR_DROP_STBC_MULTI); 544 545 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 546 MT_WF_RFCR_DROP_A3_MAC | 547 MT_WF_RFCR_DROP_A3_BSSID); 548 549 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 550 551 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 552 MT_WF_RFCR_DROP_RTS | 553 MT_WF_RFCR_DROP_CTL_RSV | 554 MT_WF_RFCR_DROP_NDPA); 555 556 *total_flags = flags; 557 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 558 559 if (*total_flags & FIF_CONTROL) 560 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 561 else 562 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 563 564 mt7921_mutex_release(dev); 565 } 566 567 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 568 struct ieee80211_vif *vif, 569 struct ieee80211_bss_conf *info, 570 u32 changed) 571 { 572 struct mt7921_phy *phy = mt7921_hw_phy(hw); 573 struct mt7921_dev *dev = mt7921_hw_dev(hw); 574 575 mt7921_mutex_acquire(dev); 576 577 if (changed & BSS_CHANGED_ERP_SLOT) { 578 int slottime = info->use_short_slot ? 9 : 20; 579 580 if (slottime != phy->slottime) { 581 phy->slottime = slottime; 582 mt7921_mac_set_timing(phy); 583 } 584 } 585 586 /* ensure that enable txcmd_mode after bss_info */ 587 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 588 mt7921_mcu_set_tx(dev, vif); 589 590 if (changed & BSS_CHANGED_PS) 591 mt7921_mcu_uni_bss_ps(dev, vif); 592 593 if (changed & BSS_CHANGED_ASSOC) { 594 mt7921_mcu_sta_update(dev, NULL, vif, true, 595 MT76_STA_INFO_STATE_ASSOC); 596 if (dev->pm.enable) 597 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 598 } 599 600 if (changed & BSS_CHANGED_ARP_FILTER) { 601 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 602 603 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 604 info); 605 } 606 607 mt7921_mutex_release(dev); 608 } 609 610 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 611 struct ieee80211_sta *sta) 612 { 613 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 614 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 615 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 616 int ret, idx; 617 618 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 619 if (idx < 0) 620 return -ENOSPC; 621 622 INIT_LIST_HEAD(&msta->poll_list); 623 msta->vif = mvif; 624 msta->wcid.sta = 1; 625 msta->wcid.idx = idx; 626 msta->wcid.ext_phy = mvif->mt76.band_idx; 627 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 628 msta->last_txs = jiffies; 629 630 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 631 if (ret) 632 return ret; 633 634 if (vif->type == NL80211_IFTYPE_STATION) 635 mvif->wep_sta = msta; 636 637 mt7921_mac_wtbl_update(dev, idx, 638 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 639 640 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 641 MT76_STA_INFO_STATE_NONE); 642 if (ret) 643 return ret; 644 645 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 646 647 return 0; 648 } 649 650 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 651 struct ieee80211_sta *sta) 652 { 653 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 654 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 655 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 656 657 mt7921_mutex_acquire(dev); 658 659 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 660 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 661 true); 662 663 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 664 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 665 666 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 667 668 mt7921_mutex_release(dev); 669 } 670 671 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 672 struct ieee80211_sta *sta) 673 { 674 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 675 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 676 677 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 678 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 679 680 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 681 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 682 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 683 684 if (vif->type == NL80211_IFTYPE_STATION) { 685 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 686 687 mvif->wep_sta = NULL; 688 ewma_rssi_init(&mvif->rssi); 689 if (!sta->tdls) 690 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 691 &mvif->sta.wcid, false); 692 } 693 694 spin_lock_bh(&dev->sta_poll_lock); 695 if (!list_empty(&msta->poll_list)) 696 list_del_init(&msta->poll_list); 697 spin_unlock_bh(&dev->sta_poll_lock); 698 699 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 700 } 701 702 void mt7921_tx_worker(struct mt76_worker *w) 703 { 704 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 705 mt76.tx_worker); 706 707 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 708 queue_work(dev->mt76.wq, &dev->pm.wake_work); 709 return; 710 } 711 712 mt76_txq_schedule_all(&dev->mphy); 713 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 714 } 715 716 static void mt7921_tx(struct ieee80211_hw *hw, 717 struct ieee80211_tx_control *control, 718 struct sk_buff *skb) 719 { 720 struct mt7921_dev *dev = mt7921_hw_dev(hw); 721 struct mt76_phy *mphy = hw->priv; 722 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 723 struct ieee80211_vif *vif = info->control.vif; 724 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 725 int qid; 726 727 if (control->sta) { 728 struct mt7921_sta *sta; 729 730 sta = (struct mt7921_sta *)control->sta->drv_priv; 731 wcid = &sta->wcid; 732 } 733 734 if (vif && !control->sta) { 735 struct mt7921_vif *mvif; 736 737 mvif = (struct mt7921_vif *)vif->drv_priv; 738 wcid = &mvif->sta.wcid; 739 } 740 741 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 742 mt76_tx(mphy, control->sta, wcid, skb); 743 mt76_connac_pm_unref(mphy, &dev->pm); 744 return; 745 } 746 747 qid = skb_get_queue_mapping(skb); 748 if (qid >= MT_TXQ_PSD) { 749 qid = IEEE80211_AC_BE; 750 skb_set_queue_mapping(skb, qid); 751 } 752 753 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 754 } 755 756 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 757 { 758 struct mt7921_dev *dev = mt7921_hw_dev(hw); 759 760 mt7921_mutex_acquire(dev); 761 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 762 mt7921_mutex_release(dev); 763 764 return 0; 765 } 766 767 static int 768 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 769 struct ieee80211_ampdu_params *params) 770 { 771 enum ieee80211_ampdu_mlme_action action = params->action; 772 struct mt7921_dev *dev = mt7921_hw_dev(hw); 773 struct ieee80211_sta *sta = params->sta; 774 struct ieee80211_txq *txq = sta->txq[params->tid]; 775 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 776 u16 tid = params->tid; 777 u16 ssn = params->ssn; 778 struct mt76_txq *mtxq; 779 int ret = 0; 780 781 if (!txq) 782 return -EINVAL; 783 784 mtxq = (struct mt76_txq *)txq->drv_priv; 785 786 mt7921_mutex_acquire(dev); 787 switch (action) { 788 case IEEE80211_AMPDU_RX_START: 789 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 790 params->buf_size); 791 mt7921_mcu_uni_rx_ba(dev, params, true); 792 break; 793 case IEEE80211_AMPDU_RX_STOP: 794 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 795 mt7921_mcu_uni_rx_ba(dev, params, false); 796 break; 797 case IEEE80211_AMPDU_TX_OPERATIONAL: 798 mtxq->aggr = true; 799 mtxq->send_bar = false; 800 mt7921_mcu_uni_tx_ba(dev, params, true); 801 break; 802 case IEEE80211_AMPDU_TX_STOP_FLUSH: 803 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 804 mtxq->aggr = false; 805 clear_bit(tid, &msta->ampdu_state); 806 mt7921_mcu_uni_tx_ba(dev, params, false); 807 break; 808 case IEEE80211_AMPDU_TX_START: 809 set_bit(tid, &msta->ampdu_state); 810 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 811 break; 812 case IEEE80211_AMPDU_TX_STOP_CONT: 813 mtxq->aggr = false; 814 clear_bit(tid, &msta->ampdu_state); 815 mt7921_mcu_uni_tx_ba(dev, params, false); 816 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 817 break; 818 } 819 mt7921_mutex_release(dev); 820 821 return ret; 822 } 823 824 static int mt7921_sta_state(struct ieee80211_hw *hw, 825 struct ieee80211_vif *vif, 826 struct ieee80211_sta *sta, 827 enum ieee80211_sta_state old_state, 828 enum ieee80211_sta_state new_state) 829 { 830 struct mt7921_dev *dev = mt7921_hw_dev(hw); 831 832 if (dev->pm.ds_enable) { 833 mt7921_mutex_acquire(dev); 834 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 835 mt7921_mutex_release(dev); 836 } 837 838 return mt76_sta_state(hw, vif, sta, old_state, new_state); 839 } 840 841 static int 842 mt7921_get_stats(struct ieee80211_hw *hw, 843 struct ieee80211_low_level_stats *stats) 844 { 845 struct mt7921_phy *phy = mt7921_hw_phy(hw); 846 struct mib_stats *mib = &phy->mib; 847 848 mt7921_mutex_acquire(phy->dev); 849 850 stats->dot11RTSSuccessCount = mib->rts_cnt; 851 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 852 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 853 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 854 855 memset(mib, 0, sizeof(*mib)); 856 857 mt7921_mutex_release(phy->dev); 858 859 return 0; 860 } 861 862 static u64 863 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 864 { 865 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 866 struct mt7921_dev *dev = mt7921_hw_dev(hw); 867 u8 omac_idx = mvif->mt76.omac_idx; 868 union { 869 u64 t64; 870 u32 t32[2]; 871 } tsf; 872 u16 n; 873 874 mt7921_mutex_acquire(dev); 875 876 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 877 /* TSF software read */ 878 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 879 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 880 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 881 882 mt7921_mutex_release(dev); 883 884 return tsf.t64; 885 } 886 887 static void 888 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 889 u64 timestamp) 890 { 891 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 892 struct mt7921_dev *dev = mt7921_hw_dev(hw); 893 u8 omac_idx = mvif->mt76.omac_idx; 894 union { 895 u64 t64; 896 u32 t32[2]; 897 } tsf = { .t64 = timestamp, }; 898 u16 n; 899 900 mt7921_mutex_acquire(dev); 901 902 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 903 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 904 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 905 /* TSF software overwrite */ 906 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 907 908 mt7921_mutex_release(dev); 909 } 910 911 static void 912 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 913 { 914 struct mt7921_phy *phy = mt7921_hw_phy(hw); 915 struct mt7921_dev *dev = phy->dev; 916 917 mt7921_mutex_acquire(dev); 918 phy->coverage_class = max_t(s16, coverage_class, 0); 919 mt7921_mac_set_timing(phy); 920 mt7921_mutex_release(dev); 921 } 922 923 void mt7921_scan_work(struct work_struct *work) 924 { 925 struct mt7921_phy *phy; 926 927 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 928 scan_work.work); 929 930 while (true) { 931 struct mt7921_mcu_rxd *rxd; 932 struct sk_buff *skb; 933 934 spin_lock_bh(&phy->dev->mt76.lock); 935 skb = __skb_dequeue(&phy->scan_event_list); 936 spin_unlock_bh(&phy->dev->mt76.lock); 937 938 if (!skb) 939 break; 940 941 rxd = (struct mt7921_mcu_rxd *)skb->data; 942 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 943 ieee80211_sched_scan_results(phy->mt76->hw); 944 } else if (test_and_clear_bit(MT76_HW_SCANNING, 945 &phy->mt76->state)) { 946 struct cfg80211_scan_info info = { 947 .aborted = false, 948 }; 949 950 ieee80211_scan_completed(phy->mt76->hw, &info); 951 } 952 dev_kfree_skb(skb); 953 } 954 } 955 956 static int 957 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 958 struct ieee80211_scan_request *req) 959 { 960 struct mt7921_dev *dev = mt7921_hw_dev(hw); 961 struct mt76_phy *mphy = hw->priv; 962 int err; 963 964 mt7921_mutex_acquire(dev); 965 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 966 mt7921_mutex_release(dev); 967 968 return err; 969 } 970 971 static void 972 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 973 { 974 struct mt7921_dev *dev = mt7921_hw_dev(hw); 975 struct mt76_phy *mphy = hw->priv; 976 977 mt7921_mutex_acquire(dev); 978 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 979 mt7921_mutex_release(dev); 980 } 981 982 static int 983 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 984 struct cfg80211_sched_scan_request *req, 985 struct ieee80211_scan_ies *ies) 986 { 987 struct mt7921_dev *dev = mt7921_hw_dev(hw); 988 struct mt76_phy *mphy = hw->priv; 989 int err; 990 991 mt7921_mutex_acquire(dev); 992 993 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 994 if (err < 0) 995 goto out; 996 997 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 998 out: 999 mt7921_mutex_release(dev); 1000 1001 return err; 1002 } 1003 1004 static int 1005 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1006 { 1007 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1008 struct mt76_phy *mphy = hw->priv; 1009 int err; 1010 1011 mt7921_mutex_acquire(dev); 1012 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1013 mt7921_mutex_release(dev); 1014 1015 return err; 1016 } 1017 1018 static int 1019 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1020 { 1021 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1022 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1023 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1024 1025 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1026 return -EINVAL; 1027 1028 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1029 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1030 1031 mt7921_mutex_acquire(dev); 1032 1033 phy->mt76->antenna_mask = tx_ant; 1034 phy->mt76->chainmask = tx_ant; 1035 1036 mt76_set_stream_caps(phy->mt76, true); 1037 mt7921_set_stream_he_caps(phy); 1038 1039 mt7921_mutex_release(dev); 1040 1041 return 0; 1042 } 1043 1044 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1045 struct ieee80211_vif *vif, 1046 struct ieee80211_sta *sta, 1047 struct station_info *sinfo) 1048 { 1049 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1050 struct rate_info *txrate = &msta->wcid.rate; 1051 1052 if (!txrate->legacy && !txrate->flags) 1053 return; 1054 1055 if (txrate->legacy) { 1056 sinfo->txrate.legacy = txrate->legacy; 1057 } else { 1058 sinfo->txrate.mcs = txrate->mcs; 1059 sinfo->txrate.nss = txrate->nss; 1060 sinfo->txrate.bw = txrate->bw; 1061 sinfo->txrate.he_gi = txrate->he_gi; 1062 sinfo->txrate.he_dcm = txrate->he_dcm; 1063 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1064 } 1065 sinfo->txrate.flags = txrate->flags; 1066 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1067 } 1068 1069 #ifdef CONFIG_PM 1070 static int mt7921_suspend(struct ieee80211_hw *hw, 1071 struct cfg80211_wowlan *wowlan) 1072 { 1073 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1074 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1075 int err; 1076 1077 cancel_delayed_work_sync(&phy->scan_work); 1078 cancel_delayed_work_sync(&phy->mt76->mac_work); 1079 1080 cancel_delayed_work_sync(&dev->pm.ps_work); 1081 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1082 1083 mt7921_mutex_acquire(dev); 1084 1085 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1086 1087 set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1088 ieee80211_iterate_active_interfaces(hw, 1089 IEEE80211_IFACE_ITER_RESUME_ALL, 1090 mt76_connac_mcu_set_suspend_iter, 1091 &dev->mphy); 1092 1093 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); 1094 1095 mt7921_mutex_release(dev); 1096 1097 return err; 1098 } 1099 1100 static int mt7921_resume(struct ieee80211_hw *hw) 1101 { 1102 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1103 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1104 int err; 1105 1106 mt7921_mutex_acquire(dev); 1107 1108 err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); 1109 if (err < 0) 1110 goto out; 1111 1112 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1113 clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); 1114 ieee80211_iterate_active_interfaces(hw, 1115 IEEE80211_IFACE_ITER_RESUME_ALL, 1116 mt76_connac_mcu_set_suspend_iter, 1117 &dev->mphy); 1118 1119 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1120 MT7921_WATCHDOG_TIME); 1121 out: 1122 1123 mt7921_mutex_release(dev); 1124 1125 return err; 1126 } 1127 1128 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1129 { 1130 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1131 struct mt76_dev *mdev = &dev->mt76; 1132 1133 device_set_wakeup_enable(mdev->dev, enabled); 1134 } 1135 1136 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1137 struct ieee80211_vif *vif, 1138 struct cfg80211_gtk_rekey_data *data) 1139 { 1140 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1141 1142 mt7921_mutex_acquire(dev); 1143 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1144 mt7921_mutex_release(dev); 1145 } 1146 #endif /* CONFIG_PM */ 1147 1148 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1149 u32 queues, bool drop) 1150 { 1151 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1152 1153 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1154 HZ / 2); 1155 } 1156 1157 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1158 struct ieee80211_vif *vif, 1159 struct ieee80211_sta *sta, 1160 bool enabled) 1161 { 1162 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1163 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1164 1165 if (enabled) 1166 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1167 else 1168 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1169 1170 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1171 MCU_UNI_CMD_STA_REC_UPDATE); 1172 } 1173 1174 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1175 const struct cfg80211_sar_specs *sar) 1176 { 1177 const struct cfg80211_sar_capa *capa = hw->wiphy->sar_capa; 1178 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1179 struct mt76_freq_range_power *data, *frp; 1180 struct mt76_phy *mphy = hw->priv; 1181 int err; 1182 u32 i; 1183 1184 if (sar->type != NL80211_SAR_TYPE_POWER || !sar->num_sub_specs) 1185 return -EINVAL; 1186 1187 mt7921_mutex_acquire(dev); 1188 1189 data = mphy->frp; 1190 1191 for (i = 0; i < sar->num_sub_specs; i++) { 1192 u32 index = sar->sub_specs[i].freq_range_index; 1193 /* SAR specifies power limitaton in 0.25dbm */ 1194 s32 power = sar->sub_specs[i].power >> 1; 1195 1196 if (power > 127 || power < -127) 1197 power = 127; 1198 1199 frp = &data[index]; 1200 frp->range = &capa->freq_ranges[index]; 1201 frp->power = power; 1202 } 1203 1204 err = mt76_connac_mcu_set_rate_txpower(mphy); 1205 1206 mt7921_mutex_release(dev); 1207 1208 return err; 1209 } 1210 1211 const struct ieee80211_ops mt7921_ops = { 1212 .tx = mt7921_tx, 1213 .start = mt7921_start, 1214 .stop = mt7921_stop, 1215 .add_interface = mt7921_add_interface, 1216 .remove_interface = mt7921_remove_interface, 1217 .config = mt7921_config, 1218 .conf_tx = mt7921_conf_tx, 1219 .configure_filter = mt7921_configure_filter, 1220 .bss_info_changed = mt7921_bss_info_changed, 1221 .sta_state = mt7921_sta_state, 1222 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1223 .set_key = mt7921_set_key, 1224 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1225 .ampdu_action = mt7921_ampdu_action, 1226 .set_rts_threshold = mt7921_set_rts_threshold, 1227 .wake_tx_queue = mt76_wake_tx_queue, 1228 .release_buffered_frames = mt76_release_buffered_frames, 1229 .get_txpower = mt76_get_txpower, 1230 .get_stats = mt7921_get_stats, 1231 .get_tsf = mt7921_get_tsf, 1232 .set_tsf = mt7921_set_tsf, 1233 .get_survey = mt76_get_survey, 1234 .get_antenna = mt76_get_antenna, 1235 .set_antenna = mt7921_set_antenna, 1236 .set_coverage_class = mt7921_set_coverage_class, 1237 .hw_scan = mt7921_hw_scan, 1238 .cancel_hw_scan = mt7921_cancel_hw_scan, 1239 .sta_statistics = mt7921_sta_statistics, 1240 .sched_scan_start = mt7921_start_sched_scan, 1241 .sched_scan_stop = mt7921_stop_sched_scan, 1242 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1243 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1244 #ifdef CONFIG_PM 1245 .suspend = mt7921_suspend, 1246 .resume = mt7921_resume, 1247 .set_wakeup = mt7921_set_wakeup, 1248 .set_rekey_data = mt7921_set_rekey_data, 1249 #endif /* CONFIG_PM */ 1250 .flush = mt7921_flush, 1251 .set_sar_specs = mt7921_set_sar_specs, 1252 }; 1253