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; 131 132 if (is_mt7922(phy->mt76->dev)) { 133 he_cap_elem->phy_cap_info[0] |= 134 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 135 he_cap_elem->phy_cap_info[8] |= 136 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 137 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 138 } 139 break; 140 } 141 142 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 143 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 144 if (is_mt7922(phy->mt76->dev)) { 145 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 146 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 147 } 148 149 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 150 if (he_cap_elem->phy_cap_info[6] & 151 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 152 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); 153 } else { 154 he_cap_elem->phy_cap_info[9] |= 155 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 156 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 157 } 158 159 if (band == NL80211_BAND_6GHZ) { 160 struct ieee80211_supported_band *sband = 161 &phy->mt76->sband_5g.sband; 162 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 163 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 164 u32 exp; 165 u16 cap; 166 167 cap = u16_encode_bits(ht_cap->ampdu_density, 168 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 169 exp = u32_get_bits(vht_cap->cap, 170 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 171 cap |= u16_encode_bits(exp, 172 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 173 exp = u32_get_bits(vht_cap->cap, 174 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 175 cap |= u16_encode_bits(exp, 176 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 177 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 178 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 179 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 180 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 181 182 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); 183 } 184 idx++; 185 } 186 187 return idx; 188 } 189 190 void mt7921_set_stream_he_caps(struct mt7921_phy *phy) 191 { 192 struct ieee80211_sband_iftype_data *data; 193 struct ieee80211_supported_band *band; 194 int n; 195 196 if (phy->mt76->cap.has_2ghz) { 197 data = phy->iftype[NL80211_BAND_2GHZ]; 198 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 199 200 band = &phy->mt76->sband_2g.sband; 201 band->iftype_data = data; 202 band->n_iftype_data = n; 203 } 204 205 if (phy->mt76->cap.has_5ghz) { 206 data = phy->iftype[NL80211_BAND_5GHZ]; 207 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 208 209 band = &phy->mt76->sband_5g.sband; 210 band->iftype_data = data; 211 band->n_iftype_data = n; 212 213 if (phy->mt76->cap.has_6ghz) { 214 data = phy->iftype[NL80211_BAND_6GHZ]; 215 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 216 217 band = &phy->mt76->sband_6g.sband; 218 band->iftype_data = data; 219 band->n_iftype_data = n; 220 } 221 } 222 } 223 224 int __mt7921_start(struct mt7921_phy *phy) 225 { 226 struct mt76_phy *mphy = phy->mt76; 227 int err; 228 229 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 230 if (err) 231 return err; 232 233 err = mt76_connac_mcu_set_channel_domain(mphy); 234 if (err) 235 return err; 236 237 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 238 if (err) 239 return err; 240 241 err = mt76_connac_mcu_set_rate_txpower(phy->mt76); 242 if (err) 243 return err; 244 245 mt7921_mac_reset_counters(phy); 246 set_bit(MT76_STATE_RUNNING, &mphy->state); 247 248 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 249 MT7921_WATCHDOG_TIME); 250 251 return 0; 252 } 253 EXPORT_SYMBOL_GPL(__mt7921_start); 254 255 static int mt7921_start(struct ieee80211_hw *hw) 256 { 257 struct mt7921_phy *phy = mt7921_hw_phy(hw); 258 int err; 259 260 mt7921_mutex_acquire(phy->dev); 261 err = __mt7921_start(phy); 262 mt7921_mutex_release(phy->dev); 263 264 return err; 265 } 266 267 static void mt7921_stop(struct ieee80211_hw *hw) 268 { 269 struct mt7921_dev *dev = mt7921_hw_dev(hw); 270 struct mt7921_phy *phy = mt7921_hw_phy(hw); 271 272 cancel_delayed_work_sync(&phy->mt76->mac_work); 273 274 cancel_delayed_work_sync(&dev->pm.ps_work); 275 cancel_work_sync(&dev->pm.wake_work); 276 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 277 278 mt7921_mutex_acquire(dev); 279 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 280 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 281 mt7921_mutex_release(dev); 282 } 283 284 static int mt7921_add_interface(struct ieee80211_hw *hw, 285 struct ieee80211_vif *vif) 286 { 287 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 288 struct mt7921_dev *dev = mt7921_hw_dev(hw); 289 struct mt7921_phy *phy = mt7921_hw_phy(hw); 290 struct mt76_txq *mtxq; 291 int idx, ret = 0; 292 293 mt7921_mutex_acquire(dev); 294 295 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 296 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 297 ret = -ENOSPC; 298 goto out; 299 } 300 301 mvif->mt76.omac_idx = mvif->mt76.idx; 302 mvif->phy = phy; 303 mvif->mt76.band_idx = 0; 304 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; 305 306 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 307 true); 308 if (ret) 309 goto out; 310 311 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 312 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 313 314 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 315 316 INIT_LIST_HEAD(&mvif->sta.poll_list); 317 mvif->sta.wcid.idx = idx; 318 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 319 mvif->sta.wcid.hw_key_idx = -1; 320 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 321 mt76_packet_id_init(&mvif->sta.wcid); 322 323 mt7921_mac_wtbl_update(dev, idx, 324 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 325 326 ewma_rssi_init(&mvif->rssi); 327 328 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 329 if (vif->txq) { 330 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 331 mtxq->wcid = &mvif->sta.wcid; 332 } 333 334 out: 335 mt7921_mutex_release(dev); 336 337 return ret; 338 } 339 340 static void mt7921_remove_interface(struct ieee80211_hw *hw, 341 struct ieee80211_vif *vif) 342 { 343 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 344 struct mt7921_sta *msta = &mvif->sta; 345 struct mt7921_dev *dev = mt7921_hw_dev(hw); 346 struct mt7921_phy *phy = mt7921_hw_phy(hw); 347 int idx = msta->wcid.idx; 348 349 mt7921_mutex_acquire(dev); 350 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 351 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 352 353 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 354 355 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 356 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 357 mt7921_mutex_release(dev); 358 359 spin_lock_bh(&dev->sta_poll_lock); 360 if (!list_empty(&msta->poll_list)) 361 list_del_init(&msta->poll_list); 362 spin_unlock_bh(&dev->sta_poll_lock); 363 364 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 365 } 366 367 static int mt7921_set_channel(struct mt7921_phy *phy) 368 { 369 struct mt7921_dev *dev = phy->dev; 370 int ret; 371 372 cancel_delayed_work_sync(&phy->mt76->mac_work); 373 374 mt7921_mutex_acquire(dev); 375 set_bit(MT76_RESET, &phy->mt76->state); 376 377 mt76_set_channel(phy->mt76); 378 379 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 380 if (ret) 381 goto out; 382 383 mt7921_mac_set_timing(phy); 384 385 mt7921_mac_reset_counters(phy); 386 phy->noise = 0; 387 388 out: 389 clear_bit(MT76_RESET, &phy->mt76->state); 390 mt7921_mutex_release(dev); 391 392 mt76_worker_schedule(&dev->mt76.tx_worker); 393 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 394 MT7921_WATCHDOG_TIME); 395 396 return ret; 397 } 398 399 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 400 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 401 struct ieee80211_key_conf *key) 402 { 403 struct mt7921_dev *dev = mt7921_hw_dev(hw); 404 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 405 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 406 &mvif->sta; 407 struct mt76_wcid *wcid = &msta->wcid; 408 u8 *wcid_keyidx = &wcid->hw_key_idx; 409 int idx = key->keyidx, err = 0; 410 411 /* The hardware does not support per-STA RX GTK, fallback 412 * to software mode for these. 413 */ 414 if ((vif->type == NL80211_IFTYPE_ADHOC || 415 vif->type == NL80211_IFTYPE_MESH_POINT) && 416 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 417 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 418 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 419 return -EOPNOTSUPP; 420 421 /* fall back to sw encryption for unsupported ciphers */ 422 switch (key->cipher) { 423 case WLAN_CIPHER_SUITE_AES_CMAC: 424 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 425 wcid_keyidx = &wcid->hw_key_idx2; 426 break; 427 case WLAN_CIPHER_SUITE_WEP40: 428 case WLAN_CIPHER_SUITE_WEP104: 429 if (!mvif->wep_sta) 430 return -EOPNOTSUPP; 431 break; 432 case WLAN_CIPHER_SUITE_TKIP: 433 case WLAN_CIPHER_SUITE_CCMP: 434 case WLAN_CIPHER_SUITE_CCMP_256: 435 case WLAN_CIPHER_SUITE_GCMP: 436 case WLAN_CIPHER_SUITE_GCMP_256: 437 case WLAN_CIPHER_SUITE_SMS4: 438 break; 439 default: 440 return -EOPNOTSUPP; 441 } 442 443 mt7921_mutex_acquire(dev); 444 445 if (cmd == SET_KEY) 446 *wcid_keyidx = idx; 447 else if (idx == *wcid_keyidx) 448 *wcid_keyidx = -1; 449 else 450 goto out; 451 452 mt76_wcid_key_setup(&dev->mt76, wcid, 453 cmd == SET_KEY ? key : NULL); 454 455 err = mt7921_mcu_add_key(dev, vif, msta, key, cmd); 456 if (err) 457 goto out; 458 459 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 460 key->cipher == WLAN_CIPHER_SUITE_WEP40) 461 err = mt7921_mcu_add_key(dev, vif, mvif->wep_sta, key, cmd); 462 out: 463 mt7921_mutex_release(dev); 464 465 return err; 466 } 467 468 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 469 { 470 struct mt7921_dev *dev = mt7921_hw_dev(hw); 471 struct mt7921_phy *phy = mt7921_hw_phy(hw); 472 int ret = 0; 473 474 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 475 ieee80211_stop_queues(hw); 476 ret = mt7921_set_channel(phy); 477 if (ret) 478 return ret; 479 ieee80211_wake_queues(hw); 480 } 481 482 mt7921_mutex_acquire(dev); 483 484 if (changed & IEEE80211_CONF_CHANGE_POWER) { 485 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 486 if (ret) 487 goto out; 488 } 489 490 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 491 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 492 493 if (!enabled) 494 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 495 else 496 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 497 498 mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN, 499 enabled); 500 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 501 } 502 503 out: 504 mt7921_mutex_release(dev); 505 506 return ret; 507 } 508 509 static int 510 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 511 const struct ieee80211_tx_queue_params *params) 512 { 513 struct mt7921_dev *dev = mt7921_hw_dev(hw); 514 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 515 516 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 517 queue = mt7921_lmac_mapping(dev, queue); 518 mvif->queue_params[queue] = *params; 519 520 return 0; 521 } 522 523 static void mt7921_configure_filter(struct ieee80211_hw *hw, 524 unsigned int changed_flags, 525 unsigned int *total_flags, 526 u64 multicast) 527 { 528 struct mt7921_dev *dev = mt7921_hw_dev(hw); 529 struct mt7921_phy *phy = mt7921_hw_phy(hw); 530 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 531 MT_WF_RFCR1_DROP_BF_POLL | 532 MT_WF_RFCR1_DROP_BA | 533 MT_WF_RFCR1_DROP_CFEND | 534 MT_WF_RFCR1_DROP_CFACK; 535 u32 flags = 0; 536 537 #define MT76_FILTER(_flag, _hw) do { \ 538 flags |= *total_flags & FIF_##_flag; \ 539 phy->rxfilter &= ~(_hw); \ 540 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 541 } while (0) 542 543 mt7921_mutex_acquire(dev); 544 545 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 546 MT_WF_RFCR_DROP_OTHER_BEACON | 547 MT_WF_RFCR_DROP_FRAME_REPORT | 548 MT_WF_RFCR_DROP_PROBEREQ | 549 MT_WF_RFCR_DROP_MCAST_FILTERED | 550 MT_WF_RFCR_DROP_MCAST | 551 MT_WF_RFCR_DROP_BCAST | 552 MT_WF_RFCR_DROP_DUPLICATE | 553 MT_WF_RFCR_DROP_A2_BSSID | 554 MT_WF_RFCR_DROP_UNWANTED_CTL | 555 MT_WF_RFCR_DROP_STBC_MULTI); 556 557 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 558 MT_WF_RFCR_DROP_A3_MAC | 559 MT_WF_RFCR_DROP_A3_BSSID); 560 561 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 562 563 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 564 MT_WF_RFCR_DROP_RTS | 565 MT_WF_RFCR_DROP_CTL_RSV | 566 MT_WF_RFCR_DROP_NDPA); 567 568 *total_flags = flags; 569 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 570 571 if (*total_flags & FIF_CONTROL) 572 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 573 else 574 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 575 576 mt7921_mutex_release(dev); 577 } 578 579 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 580 struct ieee80211_vif *vif, 581 struct ieee80211_bss_conf *info, 582 u32 changed) 583 { 584 struct mt7921_phy *phy = mt7921_hw_phy(hw); 585 struct mt7921_dev *dev = mt7921_hw_dev(hw); 586 587 mt7921_mutex_acquire(dev); 588 589 if (changed & BSS_CHANGED_ERP_SLOT) { 590 int slottime = info->use_short_slot ? 9 : 20; 591 592 if (slottime != phy->slottime) { 593 phy->slottime = slottime; 594 mt7921_mac_set_timing(phy); 595 } 596 } 597 598 /* ensure that enable txcmd_mode after bss_info */ 599 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 600 mt7921_mcu_set_tx(dev, vif); 601 602 if (changed & BSS_CHANGED_PS) 603 mt7921_mcu_uni_bss_ps(dev, vif); 604 605 if (changed & BSS_CHANGED_ASSOC) { 606 mt7921_mcu_sta_update(dev, NULL, vif, true, 607 MT76_STA_INFO_STATE_ASSOC); 608 if (dev->pm.enable) 609 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 610 } 611 612 if (changed & BSS_CHANGED_ARP_FILTER) { 613 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 614 615 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 616 info); 617 } 618 619 mt7921_mutex_release(dev); 620 } 621 622 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 623 struct ieee80211_sta *sta) 624 { 625 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 626 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 627 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 628 int ret, idx; 629 630 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 631 if (idx < 0) 632 return -ENOSPC; 633 634 INIT_LIST_HEAD(&msta->poll_list); 635 msta->vif = mvif; 636 msta->wcid.sta = 1; 637 msta->wcid.idx = idx; 638 msta->wcid.ext_phy = mvif->mt76.band_idx; 639 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 640 msta->last_txs = jiffies; 641 642 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 643 if (ret) 644 return ret; 645 646 if (vif->type == NL80211_IFTYPE_STATION) 647 mvif->wep_sta = msta; 648 649 mt7921_mac_wtbl_update(dev, idx, 650 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 651 652 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 653 MT76_STA_INFO_STATE_NONE); 654 if (ret) 655 return ret; 656 657 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 658 659 return 0; 660 } 661 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 662 663 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 664 struct ieee80211_sta *sta) 665 { 666 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 667 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 668 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 669 670 mt7921_mutex_acquire(dev); 671 672 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 673 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 674 true); 675 676 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 677 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 678 679 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 680 681 mt7921_mutex_release(dev); 682 } 683 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 684 685 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 686 struct ieee80211_sta *sta) 687 { 688 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 689 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 690 691 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 692 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 693 694 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 695 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 696 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 697 698 if (vif->type == NL80211_IFTYPE_STATION) { 699 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 700 701 mvif->wep_sta = NULL; 702 ewma_rssi_init(&mvif->rssi); 703 if (!sta->tdls) 704 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 705 &mvif->sta.wcid, false); 706 } 707 708 spin_lock_bh(&dev->sta_poll_lock); 709 if (!list_empty(&msta->poll_list)) 710 list_del_init(&msta->poll_list); 711 spin_unlock_bh(&dev->sta_poll_lock); 712 713 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 714 } 715 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 716 717 void mt7921_tx_worker(struct mt76_worker *w) 718 { 719 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 720 mt76.tx_worker); 721 722 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 723 queue_work(dev->mt76.wq, &dev->pm.wake_work); 724 return; 725 } 726 727 mt76_txq_schedule_all(&dev->mphy); 728 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 729 } 730 731 static void mt7921_tx(struct ieee80211_hw *hw, 732 struct ieee80211_tx_control *control, 733 struct sk_buff *skb) 734 { 735 struct mt7921_dev *dev = mt7921_hw_dev(hw); 736 struct mt76_phy *mphy = hw->priv; 737 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 738 struct ieee80211_vif *vif = info->control.vif; 739 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 740 int qid; 741 742 if (control->sta) { 743 struct mt7921_sta *sta; 744 745 sta = (struct mt7921_sta *)control->sta->drv_priv; 746 wcid = &sta->wcid; 747 } 748 749 if (vif && !control->sta) { 750 struct mt7921_vif *mvif; 751 752 mvif = (struct mt7921_vif *)vif->drv_priv; 753 wcid = &mvif->sta.wcid; 754 } 755 756 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 757 mt76_tx(mphy, control->sta, wcid, skb); 758 mt76_connac_pm_unref(mphy, &dev->pm); 759 return; 760 } 761 762 qid = skb_get_queue_mapping(skb); 763 if (qid >= MT_TXQ_PSD) { 764 qid = IEEE80211_AC_BE; 765 skb_set_queue_mapping(skb, qid); 766 } 767 768 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 769 } 770 771 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 772 { 773 struct mt7921_dev *dev = mt7921_hw_dev(hw); 774 775 mt7921_mutex_acquire(dev); 776 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 777 mt7921_mutex_release(dev); 778 779 return 0; 780 } 781 782 static int 783 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 784 struct ieee80211_ampdu_params *params) 785 { 786 enum ieee80211_ampdu_mlme_action action = params->action; 787 struct mt7921_dev *dev = mt7921_hw_dev(hw); 788 struct ieee80211_sta *sta = params->sta; 789 struct ieee80211_txq *txq = sta->txq[params->tid]; 790 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 791 u16 tid = params->tid; 792 u16 ssn = params->ssn; 793 struct mt76_txq *mtxq; 794 int ret = 0; 795 796 if (!txq) 797 return -EINVAL; 798 799 mtxq = (struct mt76_txq *)txq->drv_priv; 800 801 mt7921_mutex_acquire(dev); 802 switch (action) { 803 case IEEE80211_AMPDU_RX_START: 804 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 805 params->buf_size); 806 mt7921_mcu_uni_rx_ba(dev, params, true); 807 break; 808 case IEEE80211_AMPDU_RX_STOP: 809 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 810 mt7921_mcu_uni_rx_ba(dev, params, false); 811 break; 812 case IEEE80211_AMPDU_TX_OPERATIONAL: 813 mtxq->aggr = true; 814 mtxq->send_bar = false; 815 mt7921_mcu_uni_tx_ba(dev, params, true); 816 break; 817 case IEEE80211_AMPDU_TX_STOP_FLUSH: 818 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 819 mtxq->aggr = false; 820 clear_bit(tid, &msta->ampdu_state); 821 mt7921_mcu_uni_tx_ba(dev, params, false); 822 break; 823 case IEEE80211_AMPDU_TX_START: 824 set_bit(tid, &msta->ampdu_state); 825 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 826 break; 827 case IEEE80211_AMPDU_TX_STOP_CONT: 828 mtxq->aggr = false; 829 clear_bit(tid, &msta->ampdu_state); 830 mt7921_mcu_uni_tx_ba(dev, params, false); 831 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 832 break; 833 } 834 mt7921_mutex_release(dev); 835 836 return ret; 837 } 838 839 static int mt7921_sta_state(struct ieee80211_hw *hw, 840 struct ieee80211_vif *vif, 841 struct ieee80211_sta *sta, 842 enum ieee80211_sta_state old_state, 843 enum ieee80211_sta_state new_state) 844 { 845 struct mt7921_dev *dev = mt7921_hw_dev(hw); 846 847 if (dev->pm.ds_enable) { 848 mt7921_mutex_acquire(dev); 849 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 850 mt7921_mutex_release(dev); 851 } 852 853 return mt76_sta_state(hw, vif, sta, old_state, new_state); 854 } 855 856 static int 857 mt7921_get_stats(struct ieee80211_hw *hw, 858 struct ieee80211_low_level_stats *stats) 859 { 860 struct mt7921_phy *phy = mt7921_hw_phy(hw); 861 struct mib_stats *mib = &phy->mib; 862 863 mt7921_mutex_acquire(phy->dev); 864 865 stats->dot11RTSSuccessCount = mib->rts_cnt; 866 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 867 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 868 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 869 870 mt7921_mutex_release(phy->dev); 871 872 return 0; 873 } 874 875 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 876 /* tx counters */ 877 "tx_ampdu_cnt", 878 "tx_mpdu_attempts", 879 "tx_mpdu_success", 880 "tx_pkt_ebf_cnt", 881 "tx_pkt_ibf_cnt", 882 "tx_ampdu_len:0-1", 883 "tx_ampdu_len:2-10", 884 "tx_ampdu_len:11-19", 885 "tx_ampdu_len:20-28", 886 "tx_ampdu_len:29-37", 887 "tx_ampdu_len:38-46", 888 "tx_ampdu_len:47-55", 889 "tx_ampdu_len:56-79", 890 "tx_ampdu_len:80-103", 891 "tx_ampdu_len:104-127", 892 "tx_ampdu_len:128-151", 893 "tx_ampdu_len:152-175", 894 "tx_ampdu_len:176-199", 895 "tx_ampdu_len:200-223", 896 "tx_ampdu_len:224-247", 897 "ba_miss_count", 898 "tx_beamformer_ppdu_iBF", 899 "tx_beamformer_ppdu_eBF", 900 "tx_beamformer_rx_feedback_all", 901 "tx_beamformer_rx_feedback_he", 902 "tx_beamformer_rx_feedback_vht", 903 "tx_beamformer_rx_feedback_ht", 904 "tx_msdu_pack_1", 905 "tx_msdu_pack_2", 906 "tx_msdu_pack_3", 907 "tx_msdu_pack_4", 908 "tx_msdu_pack_5", 909 "tx_msdu_pack_6", 910 "tx_msdu_pack_7", 911 "tx_msdu_pack_8", 912 /* rx counters */ 913 "rx_mpdu_cnt", 914 "rx_ampdu_cnt", 915 "rx_ampdu_bytes_cnt", 916 "rx_ba_cnt", 917 /* per vif counters */ 918 "v_tx_mode_cck", 919 "v_tx_mode_ofdm", 920 "v_tx_mode_ht", 921 "v_tx_mode_ht_gf", 922 "v_tx_mode_vht", 923 "v_tx_mode_he_su", 924 "v_tx_mode_he_ext_su", 925 "v_tx_mode_he_tb", 926 "v_tx_mode_he_mu", 927 "v_tx_bw_20", 928 "v_tx_bw_40", 929 "v_tx_bw_80", 930 "v_tx_bw_160", 931 "v_tx_mcs_0", 932 "v_tx_mcs_1", 933 "v_tx_mcs_2", 934 "v_tx_mcs_3", 935 "v_tx_mcs_4", 936 "v_tx_mcs_5", 937 "v_tx_mcs_6", 938 "v_tx_mcs_7", 939 "v_tx_mcs_8", 940 "v_tx_mcs_9", 941 "v_tx_mcs_10", 942 "v_tx_mcs_11", 943 }; 944 945 static void 946 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 947 u32 sset, u8 *data) 948 { 949 if (sset != ETH_SS_STATS) 950 return; 951 952 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 953 } 954 955 static int 956 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 957 int sset) 958 { 959 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; 960 } 961 962 static void 963 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 964 { 965 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 966 struct mt76_ethtool_worker_info *wi = wi_data; 967 968 if (msta->vif->mt76.idx != wi->idx) 969 return; 970 971 mt76_ethtool_worker(wi, &msta->stats); 972 } 973 974 static 975 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 976 struct ethtool_stats *stats, u64 *data) 977 { 978 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 979 struct mt7921_phy *phy = mt7921_hw_phy(hw); 980 struct mt7921_dev *dev = phy->dev; 981 struct mib_stats *mib = &phy->mib; 982 struct mt76_ethtool_worker_info wi = { 983 .data = data, 984 .idx = mvif->mt76.idx, 985 }; 986 int i, ei = 0; 987 988 mt7921_mutex_acquire(dev); 989 990 mt7921_mac_update_mib_stats(phy); 991 992 data[ei++] = mib->tx_ampdu_cnt; 993 data[ei++] = mib->tx_mpdu_attempts_cnt; 994 data[ei++] = mib->tx_mpdu_success_cnt; 995 data[ei++] = mib->tx_pkt_ebf_cnt; 996 data[ei++] = mib->tx_pkt_ibf_cnt; 997 998 /* Tx ampdu stat */ 999 for (i = 0; i < 15; i++) 1000 data[ei++] = dev->mt76.aggr_stats[i]; 1001 1002 data[ei++] = phy->mib.ba_miss_cnt; 1003 1004 /* Tx Beamformer monitor */ 1005 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1006 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1007 1008 /* Tx Beamformer Rx feedback monitor */ 1009 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1010 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1011 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1012 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1013 1014 /* Tx amsdu info (pack-count histogram) */ 1015 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1016 data[ei++] = mib->tx_amsdu[i]; 1017 1018 /* rx counters */ 1019 data[ei++] = mib->rx_mpdu_cnt; 1020 data[ei++] = mib->rx_ampdu_cnt; 1021 data[ei++] = mib->rx_ampdu_bytes_cnt; 1022 data[ei++] = mib->rx_ba_cnt; 1023 1024 /* Add values for all stations owned by this vif */ 1025 wi.initial_stat_idx = ei; 1026 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1027 1028 mt7921_mutex_release(dev); 1029 1030 if (!wi.sta_count) 1031 return; 1032 1033 ei += wi.worker_stat_count; 1034 if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) 1035 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", 1036 ei, ARRAY_SIZE(mt7921_gstrings_stats)); 1037 } 1038 1039 static u64 1040 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1041 { 1042 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1043 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1044 u8 omac_idx = mvif->mt76.omac_idx; 1045 union { 1046 u64 t64; 1047 u32 t32[2]; 1048 } tsf; 1049 u16 n; 1050 1051 mt7921_mutex_acquire(dev); 1052 1053 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1054 /* TSF software read */ 1055 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1056 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1057 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1058 1059 mt7921_mutex_release(dev); 1060 1061 return tsf.t64; 1062 } 1063 1064 static void 1065 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1066 u64 timestamp) 1067 { 1068 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1069 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1070 u8 omac_idx = mvif->mt76.omac_idx; 1071 union { 1072 u64 t64; 1073 u32 t32[2]; 1074 } tsf = { .t64 = timestamp, }; 1075 u16 n; 1076 1077 mt7921_mutex_acquire(dev); 1078 1079 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1080 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1081 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1082 /* TSF software overwrite */ 1083 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1084 1085 mt7921_mutex_release(dev); 1086 } 1087 1088 static void 1089 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1090 { 1091 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1092 struct mt7921_dev *dev = phy->dev; 1093 1094 mt7921_mutex_acquire(dev); 1095 phy->coverage_class = max_t(s16, coverage_class, 0); 1096 mt7921_mac_set_timing(phy); 1097 mt7921_mutex_release(dev); 1098 } 1099 1100 void mt7921_scan_work(struct work_struct *work) 1101 { 1102 struct mt7921_phy *phy; 1103 1104 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1105 scan_work.work); 1106 1107 while (true) { 1108 struct mt7921_mcu_rxd *rxd; 1109 struct sk_buff *skb; 1110 1111 spin_lock_bh(&phy->dev->mt76.lock); 1112 skb = __skb_dequeue(&phy->scan_event_list); 1113 spin_unlock_bh(&phy->dev->mt76.lock); 1114 1115 if (!skb) 1116 break; 1117 1118 rxd = (struct mt7921_mcu_rxd *)skb->data; 1119 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1120 ieee80211_sched_scan_results(phy->mt76->hw); 1121 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1122 &phy->mt76->state)) { 1123 struct cfg80211_scan_info info = { 1124 .aborted = false, 1125 }; 1126 1127 ieee80211_scan_completed(phy->mt76->hw, &info); 1128 } 1129 dev_kfree_skb(skb); 1130 } 1131 } 1132 1133 static int 1134 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1135 struct ieee80211_scan_request *req) 1136 { 1137 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1138 struct mt76_phy *mphy = hw->priv; 1139 int err; 1140 1141 mt7921_mutex_acquire(dev); 1142 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1143 mt7921_mutex_release(dev); 1144 1145 return err; 1146 } 1147 1148 static void 1149 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1150 { 1151 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1152 struct mt76_phy *mphy = hw->priv; 1153 1154 mt7921_mutex_acquire(dev); 1155 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1156 mt7921_mutex_release(dev); 1157 } 1158 1159 static int 1160 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1161 struct cfg80211_sched_scan_request *req, 1162 struct ieee80211_scan_ies *ies) 1163 { 1164 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1165 struct mt76_phy *mphy = hw->priv; 1166 int err; 1167 1168 mt7921_mutex_acquire(dev); 1169 1170 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1171 if (err < 0) 1172 goto out; 1173 1174 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1175 out: 1176 mt7921_mutex_release(dev); 1177 1178 return err; 1179 } 1180 1181 static int 1182 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1183 { 1184 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1185 struct mt76_phy *mphy = hw->priv; 1186 int err; 1187 1188 mt7921_mutex_acquire(dev); 1189 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1190 mt7921_mutex_release(dev); 1191 1192 return err; 1193 } 1194 1195 static int 1196 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1197 { 1198 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1199 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1200 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1201 1202 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1203 return -EINVAL; 1204 1205 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1206 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1207 1208 mt7921_mutex_acquire(dev); 1209 1210 phy->mt76->antenna_mask = tx_ant; 1211 phy->mt76->chainmask = tx_ant; 1212 1213 mt76_set_stream_caps(phy->mt76, true); 1214 mt7921_set_stream_he_caps(phy); 1215 1216 mt7921_mutex_release(dev); 1217 1218 return 0; 1219 } 1220 1221 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1222 struct ieee80211_vif *vif, 1223 struct ieee80211_sta *sta, 1224 struct station_info *sinfo) 1225 { 1226 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1227 struct rate_info *txrate = &msta->wcid.rate; 1228 1229 if (!txrate->legacy && !txrate->flags) 1230 return; 1231 1232 if (txrate->legacy) { 1233 sinfo->txrate.legacy = txrate->legacy; 1234 } else { 1235 sinfo->txrate.mcs = txrate->mcs; 1236 sinfo->txrate.nss = txrate->nss; 1237 sinfo->txrate.bw = txrate->bw; 1238 sinfo->txrate.he_gi = txrate->he_gi; 1239 sinfo->txrate.he_dcm = txrate->he_dcm; 1240 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1241 } 1242 sinfo->txrate.flags = txrate->flags; 1243 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1244 } 1245 1246 #ifdef CONFIG_PM 1247 static int mt7921_suspend(struct ieee80211_hw *hw, 1248 struct cfg80211_wowlan *wowlan) 1249 { 1250 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1251 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1252 1253 cancel_delayed_work_sync(&phy->scan_work); 1254 cancel_delayed_work_sync(&phy->mt76->mac_work); 1255 1256 cancel_delayed_work_sync(&dev->pm.ps_work); 1257 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1258 1259 mt7921_mutex_acquire(dev); 1260 1261 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1262 ieee80211_iterate_active_interfaces(hw, 1263 IEEE80211_IFACE_ITER_RESUME_ALL, 1264 mt76_connac_mcu_set_suspend_iter, 1265 &dev->mphy); 1266 1267 mt7921_mutex_release(dev); 1268 1269 return 0; 1270 } 1271 1272 static int mt7921_resume(struct ieee80211_hw *hw) 1273 { 1274 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1275 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1276 1277 mt7921_mutex_acquire(dev); 1278 1279 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1280 ieee80211_iterate_active_interfaces(hw, 1281 IEEE80211_IFACE_ITER_RESUME_ALL, 1282 mt76_connac_mcu_set_suspend_iter, 1283 &dev->mphy); 1284 1285 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1286 MT7921_WATCHDOG_TIME); 1287 1288 mt7921_mutex_release(dev); 1289 1290 return 0; 1291 } 1292 1293 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1294 { 1295 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1296 struct mt76_dev *mdev = &dev->mt76; 1297 1298 device_set_wakeup_enable(mdev->dev, enabled); 1299 } 1300 1301 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1302 struct ieee80211_vif *vif, 1303 struct cfg80211_gtk_rekey_data *data) 1304 { 1305 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1306 1307 mt7921_mutex_acquire(dev); 1308 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1309 mt7921_mutex_release(dev); 1310 } 1311 #endif /* CONFIG_PM */ 1312 1313 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1314 u32 queues, bool drop) 1315 { 1316 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1317 1318 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1319 HZ / 2); 1320 } 1321 1322 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1323 struct ieee80211_vif *vif, 1324 struct ieee80211_sta *sta, 1325 bool enabled) 1326 { 1327 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1328 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1329 1330 if (enabled) 1331 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1332 else 1333 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1334 1335 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1336 MCU_UNI_CMD(STA_REC_UPDATE)); 1337 } 1338 1339 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1340 const struct cfg80211_sar_specs *sar) 1341 { 1342 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1343 struct mt76_phy *mphy = hw->priv; 1344 int err; 1345 1346 mt7921_mutex_acquire(dev); 1347 err = mt76_init_sar_power(hw, sar); 1348 if (err) 1349 goto out; 1350 1351 err = mt76_connac_mcu_set_rate_txpower(mphy); 1352 out: 1353 mt7921_mutex_release(dev); 1354 1355 return err; 1356 } 1357 1358 const struct ieee80211_ops mt7921_ops = { 1359 .tx = mt7921_tx, 1360 .start = mt7921_start, 1361 .stop = mt7921_stop, 1362 .add_interface = mt7921_add_interface, 1363 .remove_interface = mt7921_remove_interface, 1364 .config = mt7921_config, 1365 .conf_tx = mt7921_conf_tx, 1366 .configure_filter = mt7921_configure_filter, 1367 .bss_info_changed = mt7921_bss_info_changed, 1368 .sta_state = mt7921_sta_state, 1369 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1370 .set_key = mt7921_set_key, 1371 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1372 .ampdu_action = mt7921_ampdu_action, 1373 .set_rts_threshold = mt7921_set_rts_threshold, 1374 .wake_tx_queue = mt76_wake_tx_queue, 1375 .release_buffered_frames = mt76_release_buffered_frames, 1376 .get_txpower = mt76_get_txpower, 1377 .get_stats = mt7921_get_stats, 1378 .get_et_sset_count = mt7921_get_et_sset_count, 1379 .get_et_strings = mt7921_get_et_strings, 1380 .get_et_stats = mt7921_get_et_stats, 1381 .get_tsf = mt7921_get_tsf, 1382 .set_tsf = mt7921_set_tsf, 1383 .get_survey = mt76_get_survey, 1384 .get_antenna = mt76_get_antenna, 1385 .set_antenna = mt7921_set_antenna, 1386 .set_coverage_class = mt7921_set_coverage_class, 1387 .hw_scan = mt7921_hw_scan, 1388 .cancel_hw_scan = mt7921_cancel_hw_scan, 1389 .sta_statistics = mt7921_sta_statistics, 1390 .sched_scan_start = mt7921_start_sched_scan, 1391 .sched_scan_stop = mt7921_stop_sched_scan, 1392 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1393 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1394 #ifdef CONFIG_PM 1395 .suspend = mt7921_suspend, 1396 .resume = mt7921_resume, 1397 .set_wakeup = mt7921_set_wakeup, 1398 .set_rekey_data = mt7921_set_rekey_data, 1399 #endif /* CONFIG_PM */ 1400 .flush = mt7921_flush, 1401 .set_sar_specs = mt7921_set_sar_specs, 1402 }; 1403 EXPORT_SYMBOL_GPL(mt7921_ops); 1404 1405 MODULE_LICENSE("Dual BSD/GPL"); 1406 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1407