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 cancel_work_sync(&dev->reset_work); 277 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 278 279 mt7921_mutex_acquire(dev); 280 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 281 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 282 mt7921_mutex_release(dev); 283 } 284 285 static int mt7921_add_interface(struct ieee80211_hw *hw, 286 struct ieee80211_vif *vif) 287 { 288 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 289 struct mt7921_dev *dev = mt7921_hw_dev(hw); 290 struct mt7921_phy *phy = mt7921_hw_phy(hw); 291 struct mt76_txq *mtxq; 292 int idx, ret = 0; 293 294 mt7921_mutex_acquire(dev); 295 296 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 297 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 298 ret = -ENOSPC; 299 goto out; 300 } 301 302 mvif->mt76.omac_idx = mvif->mt76.idx; 303 mvif->phy = phy; 304 mvif->mt76.band_idx = 0; 305 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; 306 307 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 308 true); 309 if (ret) 310 goto out; 311 312 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 313 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 314 315 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 316 317 INIT_LIST_HEAD(&mvif->sta.poll_list); 318 mvif->sta.wcid.idx = idx; 319 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 320 mvif->sta.wcid.hw_key_idx = -1; 321 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 322 mt76_packet_id_init(&mvif->sta.wcid); 323 324 mt7921_mac_wtbl_update(dev, idx, 325 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 326 327 ewma_rssi_init(&mvif->rssi); 328 329 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 330 if (vif->txq) { 331 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 332 mtxq->wcid = &mvif->sta.wcid; 333 } 334 335 out: 336 mt7921_mutex_release(dev); 337 338 return ret; 339 } 340 341 static void mt7921_remove_interface(struct ieee80211_hw *hw, 342 struct ieee80211_vif *vif) 343 { 344 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 345 struct mt7921_sta *msta = &mvif->sta; 346 struct mt7921_dev *dev = mt7921_hw_dev(hw); 347 struct mt7921_phy *phy = mt7921_hw_phy(hw); 348 int idx = msta->wcid.idx; 349 350 mt7921_mutex_acquire(dev); 351 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 352 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 353 354 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 355 356 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 357 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 358 mt7921_mutex_release(dev); 359 360 spin_lock_bh(&dev->sta_poll_lock); 361 if (!list_empty(&msta->poll_list)) 362 list_del_init(&msta->poll_list); 363 spin_unlock_bh(&dev->sta_poll_lock); 364 365 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 366 } 367 368 static int mt7921_set_channel(struct mt7921_phy *phy) 369 { 370 struct mt7921_dev *dev = phy->dev; 371 int ret; 372 373 cancel_delayed_work_sync(&phy->mt76->mac_work); 374 375 mt7921_mutex_acquire(dev); 376 set_bit(MT76_RESET, &phy->mt76->state); 377 378 mt76_set_channel(phy->mt76); 379 380 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 381 if (ret) 382 goto out; 383 384 mt7921_mac_set_timing(phy); 385 386 mt7921_mac_reset_counters(phy); 387 phy->noise = 0; 388 389 out: 390 clear_bit(MT76_RESET, &phy->mt76->state); 391 mt7921_mutex_release(dev); 392 393 mt76_worker_schedule(&dev->mt76.tx_worker); 394 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 395 MT7921_WATCHDOG_TIME); 396 397 return ret; 398 } 399 400 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 401 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 402 struct ieee80211_key_conf *key) 403 { 404 struct mt7921_dev *dev = mt7921_hw_dev(hw); 405 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 406 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 407 &mvif->sta; 408 struct mt76_wcid *wcid = &msta->wcid; 409 u8 *wcid_keyidx = &wcid->hw_key_idx; 410 int idx = key->keyidx, err = 0; 411 412 /* The hardware does not support per-STA RX GTK, fallback 413 * to software mode for these. 414 */ 415 if ((vif->type == NL80211_IFTYPE_ADHOC || 416 vif->type == NL80211_IFTYPE_MESH_POINT) && 417 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 418 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 419 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 420 return -EOPNOTSUPP; 421 422 /* fall back to sw encryption for unsupported ciphers */ 423 switch (key->cipher) { 424 case WLAN_CIPHER_SUITE_AES_CMAC: 425 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 426 wcid_keyidx = &wcid->hw_key_idx2; 427 break; 428 case WLAN_CIPHER_SUITE_WEP40: 429 case WLAN_CIPHER_SUITE_WEP104: 430 if (!mvif->wep_sta) 431 return -EOPNOTSUPP; 432 break; 433 case WLAN_CIPHER_SUITE_TKIP: 434 case WLAN_CIPHER_SUITE_CCMP: 435 case WLAN_CIPHER_SUITE_CCMP_256: 436 case WLAN_CIPHER_SUITE_GCMP: 437 case WLAN_CIPHER_SUITE_GCMP_256: 438 case WLAN_CIPHER_SUITE_SMS4: 439 break; 440 default: 441 return -EOPNOTSUPP; 442 } 443 444 mt7921_mutex_acquire(dev); 445 446 if (cmd == SET_KEY) 447 *wcid_keyidx = idx; 448 else if (idx == *wcid_keyidx) 449 *wcid_keyidx = -1; 450 else 451 goto out; 452 453 mt76_wcid_key_setup(&dev->mt76, wcid, 454 cmd == SET_KEY ? key : NULL); 455 456 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 457 key, MCU_UNI_CMD(STA_REC_UPDATE), 458 &msta->wcid, cmd); 459 if (err) 460 goto out; 461 462 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 463 key->cipher == WLAN_CIPHER_SUITE_WEP40) 464 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 465 &mvif->wep_sta->bip, 466 key, MCU_UNI_CMD(STA_REC_UPDATE), 467 &mvif->wep_sta->wcid, cmd); 468 out: 469 mt7921_mutex_release(dev); 470 471 return err; 472 } 473 474 static void 475 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 476 { 477 struct mt7921_dev *dev = priv; 478 479 mt7921_mcu_set_beacon_filter(dev, vif, dev->pm.enable); 480 } 481 482 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 483 { 484 struct ieee80211_hw *hw = dev->mphy.hw; 485 struct mt76_connac_pm *pm = &dev->pm; 486 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 487 488 pm->enable = pm->enable_user && !monitor; 489 ieee80211_iterate_active_interfaces(hw, 490 IEEE80211_IFACE_ITER_RESUME_ALL, 491 mt7921_pm_interface_iter, dev); 492 pm->ds_enable = pm->ds_enable_user && !monitor; 493 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 494 } 495 496 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 497 { 498 struct mt7921_dev *dev = mt7921_hw_dev(hw); 499 struct mt7921_phy *phy = mt7921_hw_phy(hw); 500 int ret = 0; 501 502 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 503 ieee80211_stop_queues(hw); 504 ret = mt7921_set_channel(phy); 505 if (ret) 506 return ret; 507 ieee80211_wake_queues(hw); 508 } 509 510 mt7921_mutex_acquire(dev); 511 512 if (changed & IEEE80211_CONF_CHANGE_POWER) { 513 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 514 if (ret) 515 goto out; 516 } 517 518 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 519 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 520 521 if (!enabled) 522 phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 523 else 524 phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 525 526 mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN, 527 enabled); 528 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 529 mt7921_set_runtime_pm(dev); 530 } 531 532 out: 533 mt7921_mutex_release(dev); 534 535 return ret; 536 } 537 538 static int 539 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 540 const struct ieee80211_tx_queue_params *params) 541 { 542 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 543 544 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 545 queue = mt76_connac_lmac_mapping(queue); 546 mvif->queue_params[queue] = *params; 547 548 return 0; 549 } 550 551 static void mt7921_configure_filter(struct ieee80211_hw *hw, 552 unsigned int changed_flags, 553 unsigned int *total_flags, 554 u64 multicast) 555 { 556 struct mt7921_dev *dev = mt7921_hw_dev(hw); 557 struct mt7921_phy *phy = mt7921_hw_phy(hw); 558 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 559 MT_WF_RFCR1_DROP_BF_POLL | 560 MT_WF_RFCR1_DROP_BA | 561 MT_WF_RFCR1_DROP_CFEND | 562 MT_WF_RFCR1_DROP_CFACK; 563 u32 flags = 0; 564 565 #define MT76_FILTER(_flag, _hw) do { \ 566 flags |= *total_flags & FIF_##_flag; \ 567 phy->rxfilter &= ~(_hw); \ 568 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 569 } while (0) 570 571 mt7921_mutex_acquire(dev); 572 573 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 574 MT_WF_RFCR_DROP_OTHER_BEACON | 575 MT_WF_RFCR_DROP_FRAME_REPORT | 576 MT_WF_RFCR_DROP_PROBEREQ | 577 MT_WF_RFCR_DROP_MCAST_FILTERED | 578 MT_WF_RFCR_DROP_MCAST | 579 MT_WF_RFCR_DROP_BCAST | 580 MT_WF_RFCR_DROP_DUPLICATE | 581 MT_WF_RFCR_DROP_A2_BSSID | 582 MT_WF_RFCR_DROP_UNWANTED_CTL | 583 MT_WF_RFCR_DROP_STBC_MULTI); 584 585 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 586 MT_WF_RFCR_DROP_A3_MAC | 587 MT_WF_RFCR_DROP_A3_BSSID); 588 589 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 590 591 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 592 MT_WF_RFCR_DROP_RTS | 593 MT_WF_RFCR_DROP_CTL_RSV | 594 MT_WF_RFCR_DROP_NDPA); 595 596 *total_flags = flags; 597 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 598 599 if (*total_flags & FIF_CONTROL) 600 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 601 else 602 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 603 604 mt7921_mutex_release(dev); 605 } 606 607 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 608 struct ieee80211_vif *vif, 609 struct ieee80211_bss_conf *info, 610 u32 changed) 611 { 612 struct mt7921_phy *phy = mt7921_hw_phy(hw); 613 struct mt7921_dev *dev = mt7921_hw_dev(hw); 614 615 mt7921_mutex_acquire(dev); 616 617 if (changed & BSS_CHANGED_ERP_SLOT) { 618 int slottime = info->use_short_slot ? 9 : 20; 619 620 if (slottime != phy->slottime) { 621 phy->slottime = slottime; 622 mt7921_mac_set_timing(phy); 623 } 624 } 625 626 /* ensure that enable txcmd_mode after bss_info */ 627 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 628 mt7921_mcu_set_tx(dev, vif); 629 630 if (changed & BSS_CHANGED_PS) 631 mt7921_mcu_uni_bss_ps(dev, vif); 632 633 if (changed & BSS_CHANGED_ASSOC) { 634 mt7921_mcu_sta_update(dev, NULL, vif, true, 635 MT76_STA_INFO_STATE_ASSOC); 636 if (dev->pm.enable) 637 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 638 } 639 640 if (changed & BSS_CHANGED_ARP_FILTER) { 641 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 642 643 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 644 info); 645 } 646 647 mt7921_mutex_release(dev); 648 } 649 650 int mt7921_mac_sta_add(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 int ret, idx; 657 658 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 659 if (idx < 0) 660 return -ENOSPC; 661 662 INIT_LIST_HEAD(&msta->poll_list); 663 msta->vif = mvif; 664 msta->wcid.sta = 1; 665 msta->wcid.idx = idx; 666 msta->wcid.ext_phy = mvif->mt76.band_idx; 667 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 668 msta->last_txs = jiffies; 669 670 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 671 if (ret) 672 return ret; 673 674 if (vif->type == NL80211_IFTYPE_STATION) 675 mvif->wep_sta = msta; 676 677 mt7921_mac_wtbl_update(dev, idx, 678 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 679 680 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 681 MT76_STA_INFO_STATE_NONE); 682 if (ret) 683 return ret; 684 685 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 686 687 return 0; 688 } 689 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 690 691 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 692 struct ieee80211_sta *sta) 693 { 694 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 695 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 696 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 697 698 mt7921_mutex_acquire(dev); 699 700 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 701 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 702 true); 703 704 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 705 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 706 707 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 708 709 mt7921_mutex_release(dev); 710 } 711 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 712 713 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 714 struct ieee80211_sta *sta) 715 { 716 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 717 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 718 719 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 720 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 721 722 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 723 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 724 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 725 726 if (vif->type == NL80211_IFTYPE_STATION) { 727 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 728 729 mvif->wep_sta = NULL; 730 ewma_rssi_init(&mvif->rssi); 731 if (!sta->tdls) 732 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 733 &mvif->sta.wcid, false); 734 } 735 736 spin_lock_bh(&dev->sta_poll_lock); 737 if (!list_empty(&msta->poll_list)) 738 list_del_init(&msta->poll_list); 739 spin_unlock_bh(&dev->sta_poll_lock); 740 741 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 742 } 743 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 744 745 void mt7921_tx_worker(struct mt76_worker *w) 746 { 747 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 748 mt76.tx_worker); 749 750 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 751 queue_work(dev->mt76.wq, &dev->pm.wake_work); 752 return; 753 } 754 755 mt76_txq_schedule_all(&dev->mphy); 756 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 757 } 758 759 static void mt7921_tx(struct ieee80211_hw *hw, 760 struct ieee80211_tx_control *control, 761 struct sk_buff *skb) 762 { 763 struct mt7921_dev *dev = mt7921_hw_dev(hw); 764 struct mt76_phy *mphy = hw->priv; 765 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 766 struct ieee80211_vif *vif = info->control.vif; 767 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 768 int qid; 769 770 if (control->sta) { 771 struct mt7921_sta *sta; 772 773 sta = (struct mt7921_sta *)control->sta->drv_priv; 774 wcid = &sta->wcid; 775 } 776 777 if (vif && !control->sta) { 778 struct mt7921_vif *mvif; 779 780 mvif = (struct mt7921_vif *)vif->drv_priv; 781 wcid = &mvif->sta.wcid; 782 } 783 784 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 785 mt76_tx(mphy, control->sta, wcid, skb); 786 mt76_connac_pm_unref(mphy, &dev->pm); 787 return; 788 } 789 790 qid = skb_get_queue_mapping(skb); 791 if (qid >= MT_TXQ_PSD) { 792 qid = IEEE80211_AC_BE; 793 skb_set_queue_mapping(skb, qid); 794 } 795 796 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 797 } 798 799 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 800 { 801 struct mt7921_dev *dev = mt7921_hw_dev(hw); 802 803 mt7921_mutex_acquire(dev); 804 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 805 mt7921_mutex_release(dev); 806 807 return 0; 808 } 809 810 static int 811 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 812 struct ieee80211_ampdu_params *params) 813 { 814 enum ieee80211_ampdu_mlme_action action = params->action; 815 struct mt7921_dev *dev = mt7921_hw_dev(hw); 816 struct ieee80211_sta *sta = params->sta; 817 struct ieee80211_txq *txq = sta->txq[params->tid]; 818 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 819 u16 tid = params->tid; 820 u16 ssn = params->ssn; 821 struct mt76_txq *mtxq; 822 int ret = 0; 823 824 if (!txq) 825 return -EINVAL; 826 827 mtxq = (struct mt76_txq *)txq->drv_priv; 828 829 mt7921_mutex_acquire(dev); 830 switch (action) { 831 case IEEE80211_AMPDU_RX_START: 832 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 833 params->buf_size); 834 mt7921_mcu_uni_rx_ba(dev, params, true); 835 break; 836 case IEEE80211_AMPDU_RX_STOP: 837 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 838 mt7921_mcu_uni_rx_ba(dev, params, false); 839 break; 840 case IEEE80211_AMPDU_TX_OPERATIONAL: 841 mtxq->aggr = true; 842 mtxq->send_bar = false; 843 mt7921_mcu_uni_tx_ba(dev, params, true); 844 break; 845 case IEEE80211_AMPDU_TX_STOP_FLUSH: 846 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 847 mtxq->aggr = false; 848 clear_bit(tid, &msta->ampdu_state); 849 mt7921_mcu_uni_tx_ba(dev, params, false); 850 break; 851 case IEEE80211_AMPDU_TX_START: 852 set_bit(tid, &msta->ampdu_state); 853 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 854 break; 855 case IEEE80211_AMPDU_TX_STOP_CONT: 856 mtxq->aggr = false; 857 clear_bit(tid, &msta->ampdu_state); 858 mt7921_mcu_uni_tx_ba(dev, params, false); 859 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 860 break; 861 } 862 mt7921_mutex_release(dev); 863 864 return ret; 865 } 866 867 static int mt7921_sta_state(struct ieee80211_hw *hw, 868 struct ieee80211_vif *vif, 869 struct ieee80211_sta *sta, 870 enum ieee80211_sta_state old_state, 871 enum ieee80211_sta_state new_state) 872 { 873 struct mt7921_dev *dev = mt7921_hw_dev(hw); 874 875 if (dev->pm.ds_enable) { 876 mt7921_mutex_acquire(dev); 877 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 878 mt7921_mutex_release(dev); 879 } 880 881 return mt76_sta_state(hw, vif, sta, old_state, new_state); 882 } 883 884 static int 885 mt7921_get_stats(struct ieee80211_hw *hw, 886 struct ieee80211_low_level_stats *stats) 887 { 888 struct mt7921_phy *phy = mt7921_hw_phy(hw); 889 struct mib_stats *mib = &phy->mib; 890 891 mt7921_mutex_acquire(phy->dev); 892 893 stats->dot11RTSSuccessCount = mib->rts_cnt; 894 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 895 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 896 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 897 898 mt7921_mutex_release(phy->dev); 899 900 return 0; 901 } 902 903 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 904 /* tx counters */ 905 "tx_ampdu_cnt", 906 "tx_mpdu_attempts", 907 "tx_mpdu_success", 908 "tx_pkt_ebf_cnt", 909 "tx_pkt_ibf_cnt", 910 "tx_ampdu_len:0-1", 911 "tx_ampdu_len:2-10", 912 "tx_ampdu_len:11-19", 913 "tx_ampdu_len:20-28", 914 "tx_ampdu_len:29-37", 915 "tx_ampdu_len:38-46", 916 "tx_ampdu_len:47-55", 917 "tx_ampdu_len:56-79", 918 "tx_ampdu_len:80-103", 919 "tx_ampdu_len:104-127", 920 "tx_ampdu_len:128-151", 921 "tx_ampdu_len:152-175", 922 "tx_ampdu_len:176-199", 923 "tx_ampdu_len:200-223", 924 "tx_ampdu_len:224-247", 925 "ba_miss_count", 926 "tx_beamformer_ppdu_iBF", 927 "tx_beamformer_ppdu_eBF", 928 "tx_beamformer_rx_feedback_all", 929 "tx_beamformer_rx_feedback_he", 930 "tx_beamformer_rx_feedback_vht", 931 "tx_beamformer_rx_feedback_ht", 932 "tx_msdu_pack_1", 933 "tx_msdu_pack_2", 934 "tx_msdu_pack_3", 935 "tx_msdu_pack_4", 936 "tx_msdu_pack_5", 937 "tx_msdu_pack_6", 938 "tx_msdu_pack_7", 939 "tx_msdu_pack_8", 940 /* rx counters */ 941 "rx_mpdu_cnt", 942 "rx_ampdu_cnt", 943 "rx_ampdu_bytes_cnt", 944 "rx_ba_cnt", 945 /* per vif counters */ 946 "v_tx_mode_cck", 947 "v_tx_mode_ofdm", 948 "v_tx_mode_ht", 949 "v_tx_mode_ht_gf", 950 "v_tx_mode_vht", 951 "v_tx_mode_he_su", 952 "v_tx_mode_he_ext_su", 953 "v_tx_mode_he_tb", 954 "v_tx_mode_he_mu", 955 "v_tx_bw_20", 956 "v_tx_bw_40", 957 "v_tx_bw_80", 958 "v_tx_bw_160", 959 "v_tx_mcs_0", 960 "v_tx_mcs_1", 961 "v_tx_mcs_2", 962 "v_tx_mcs_3", 963 "v_tx_mcs_4", 964 "v_tx_mcs_5", 965 "v_tx_mcs_6", 966 "v_tx_mcs_7", 967 "v_tx_mcs_8", 968 "v_tx_mcs_9", 969 "v_tx_mcs_10", 970 "v_tx_mcs_11", 971 }; 972 973 static void 974 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 975 u32 sset, u8 *data) 976 { 977 if (sset != ETH_SS_STATS) 978 return; 979 980 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 981 } 982 983 static int 984 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 985 int sset) 986 { 987 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; 988 } 989 990 static void 991 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 992 { 993 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 994 struct mt76_ethtool_worker_info *wi = wi_data; 995 996 if (msta->vif->mt76.idx != wi->idx) 997 return; 998 999 mt76_ethtool_worker(wi, &msta->stats); 1000 } 1001 1002 static 1003 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1004 struct ethtool_stats *stats, u64 *data) 1005 { 1006 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1007 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1008 struct mt7921_dev *dev = phy->dev; 1009 struct mib_stats *mib = &phy->mib; 1010 struct mt76_ethtool_worker_info wi = { 1011 .data = data, 1012 .idx = mvif->mt76.idx, 1013 }; 1014 int i, ei = 0; 1015 1016 mt7921_mutex_acquire(dev); 1017 1018 mt7921_mac_update_mib_stats(phy); 1019 1020 data[ei++] = mib->tx_ampdu_cnt; 1021 data[ei++] = mib->tx_mpdu_attempts_cnt; 1022 data[ei++] = mib->tx_mpdu_success_cnt; 1023 data[ei++] = mib->tx_pkt_ebf_cnt; 1024 data[ei++] = mib->tx_pkt_ibf_cnt; 1025 1026 /* Tx ampdu stat */ 1027 for (i = 0; i < 15; i++) 1028 data[ei++] = dev->mt76.aggr_stats[i]; 1029 1030 data[ei++] = phy->mib.ba_miss_cnt; 1031 1032 /* Tx Beamformer monitor */ 1033 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1034 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1035 1036 /* Tx Beamformer Rx feedback monitor */ 1037 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1038 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1039 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1040 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1041 1042 /* Tx amsdu info (pack-count histogram) */ 1043 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1044 data[ei++] = mib->tx_amsdu[i]; 1045 1046 /* rx counters */ 1047 data[ei++] = mib->rx_mpdu_cnt; 1048 data[ei++] = mib->rx_ampdu_cnt; 1049 data[ei++] = mib->rx_ampdu_bytes_cnt; 1050 data[ei++] = mib->rx_ba_cnt; 1051 1052 /* Add values for all stations owned by this vif */ 1053 wi.initial_stat_idx = ei; 1054 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1055 1056 mt7921_mutex_release(dev); 1057 1058 if (!wi.sta_count) 1059 return; 1060 1061 ei += wi.worker_stat_count; 1062 if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) 1063 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", 1064 ei, ARRAY_SIZE(mt7921_gstrings_stats)); 1065 } 1066 1067 static u64 1068 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1069 { 1070 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1071 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1072 u8 omac_idx = mvif->mt76.omac_idx; 1073 union { 1074 u64 t64; 1075 u32 t32[2]; 1076 } tsf; 1077 u16 n; 1078 1079 mt7921_mutex_acquire(dev); 1080 1081 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1082 /* TSF software read */ 1083 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1084 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1085 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1086 1087 mt7921_mutex_release(dev); 1088 1089 return tsf.t64; 1090 } 1091 1092 static void 1093 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1094 u64 timestamp) 1095 { 1096 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1097 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1098 u8 omac_idx = mvif->mt76.omac_idx; 1099 union { 1100 u64 t64; 1101 u32 t32[2]; 1102 } tsf = { .t64 = timestamp, }; 1103 u16 n; 1104 1105 mt7921_mutex_acquire(dev); 1106 1107 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1108 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1109 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1110 /* TSF software overwrite */ 1111 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1112 1113 mt7921_mutex_release(dev); 1114 } 1115 1116 static void 1117 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1118 { 1119 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1120 struct mt7921_dev *dev = phy->dev; 1121 1122 mt7921_mutex_acquire(dev); 1123 phy->coverage_class = max_t(s16, coverage_class, 0); 1124 mt7921_mac_set_timing(phy); 1125 mt7921_mutex_release(dev); 1126 } 1127 1128 void mt7921_scan_work(struct work_struct *work) 1129 { 1130 struct mt7921_phy *phy; 1131 1132 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1133 scan_work.work); 1134 1135 while (true) { 1136 struct mt7921_mcu_rxd *rxd; 1137 struct sk_buff *skb; 1138 1139 spin_lock_bh(&phy->dev->mt76.lock); 1140 skb = __skb_dequeue(&phy->scan_event_list); 1141 spin_unlock_bh(&phy->dev->mt76.lock); 1142 1143 if (!skb) 1144 break; 1145 1146 rxd = (struct mt7921_mcu_rxd *)skb->data; 1147 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1148 ieee80211_sched_scan_results(phy->mt76->hw); 1149 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1150 &phy->mt76->state)) { 1151 struct cfg80211_scan_info info = { 1152 .aborted = false, 1153 }; 1154 1155 ieee80211_scan_completed(phy->mt76->hw, &info); 1156 } 1157 dev_kfree_skb(skb); 1158 } 1159 } 1160 1161 static int 1162 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1163 struct ieee80211_scan_request *req) 1164 { 1165 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1166 struct mt76_phy *mphy = hw->priv; 1167 int err; 1168 1169 mt7921_mutex_acquire(dev); 1170 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1171 mt7921_mutex_release(dev); 1172 1173 return err; 1174 } 1175 1176 static void 1177 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1178 { 1179 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1180 struct mt76_phy *mphy = hw->priv; 1181 1182 mt7921_mutex_acquire(dev); 1183 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1184 mt7921_mutex_release(dev); 1185 } 1186 1187 static int 1188 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1189 struct cfg80211_sched_scan_request *req, 1190 struct ieee80211_scan_ies *ies) 1191 { 1192 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1193 struct mt76_phy *mphy = hw->priv; 1194 int err; 1195 1196 mt7921_mutex_acquire(dev); 1197 1198 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1199 if (err < 0) 1200 goto out; 1201 1202 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1203 out: 1204 mt7921_mutex_release(dev); 1205 1206 return err; 1207 } 1208 1209 static int 1210 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1211 { 1212 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1213 struct mt76_phy *mphy = hw->priv; 1214 int err; 1215 1216 mt7921_mutex_acquire(dev); 1217 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1218 mt7921_mutex_release(dev); 1219 1220 return err; 1221 } 1222 1223 static int 1224 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1225 { 1226 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1227 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1228 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1229 1230 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1231 return -EINVAL; 1232 1233 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1234 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1235 1236 mt7921_mutex_acquire(dev); 1237 1238 phy->mt76->antenna_mask = tx_ant; 1239 phy->mt76->chainmask = tx_ant; 1240 1241 mt76_set_stream_caps(phy->mt76, true); 1242 mt7921_set_stream_he_caps(phy); 1243 1244 mt7921_mutex_release(dev); 1245 1246 return 0; 1247 } 1248 1249 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1250 struct ieee80211_vif *vif, 1251 struct ieee80211_sta *sta, 1252 struct station_info *sinfo) 1253 { 1254 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1255 struct rate_info *txrate = &msta->wcid.rate; 1256 1257 if (!txrate->legacy && !txrate->flags) 1258 return; 1259 1260 if (txrate->legacy) { 1261 sinfo->txrate.legacy = txrate->legacy; 1262 } else { 1263 sinfo->txrate.mcs = txrate->mcs; 1264 sinfo->txrate.nss = txrate->nss; 1265 sinfo->txrate.bw = txrate->bw; 1266 sinfo->txrate.he_gi = txrate->he_gi; 1267 sinfo->txrate.he_dcm = txrate->he_dcm; 1268 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1269 } 1270 sinfo->txrate.flags = txrate->flags; 1271 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1272 } 1273 1274 #ifdef CONFIG_PM 1275 static int mt7921_suspend(struct ieee80211_hw *hw, 1276 struct cfg80211_wowlan *wowlan) 1277 { 1278 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1279 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1280 1281 cancel_delayed_work_sync(&phy->scan_work); 1282 cancel_delayed_work_sync(&phy->mt76->mac_work); 1283 1284 cancel_delayed_work_sync(&dev->pm.ps_work); 1285 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1286 1287 mt7921_mutex_acquire(dev); 1288 1289 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1290 ieee80211_iterate_active_interfaces(hw, 1291 IEEE80211_IFACE_ITER_RESUME_ALL, 1292 mt76_connac_mcu_set_suspend_iter, 1293 &dev->mphy); 1294 1295 mt7921_mutex_release(dev); 1296 1297 return 0; 1298 } 1299 1300 static int mt7921_resume(struct ieee80211_hw *hw) 1301 { 1302 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1303 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1304 1305 mt7921_mutex_acquire(dev); 1306 1307 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1308 ieee80211_iterate_active_interfaces(hw, 1309 IEEE80211_IFACE_ITER_RESUME_ALL, 1310 mt76_connac_mcu_set_suspend_iter, 1311 &dev->mphy); 1312 1313 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1314 MT7921_WATCHDOG_TIME); 1315 1316 mt7921_mutex_release(dev); 1317 1318 return 0; 1319 } 1320 1321 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1322 { 1323 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1324 struct mt76_dev *mdev = &dev->mt76; 1325 1326 device_set_wakeup_enable(mdev->dev, enabled); 1327 } 1328 1329 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1330 struct ieee80211_vif *vif, 1331 struct cfg80211_gtk_rekey_data *data) 1332 { 1333 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1334 1335 mt7921_mutex_acquire(dev); 1336 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1337 mt7921_mutex_release(dev); 1338 } 1339 #endif /* CONFIG_PM */ 1340 1341 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1342 u32 queues, bool drop) 1343 { 1344 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1345 1346 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1347 HZ / 2); 1348 } 1349 1350 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1351 struct ieee80211_vif *vif, 1352 struct ieee80211_sta *sta, 1353 bool enabled) 1354 { 1355 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1356 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1357 1358 if (enabled) 1359 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1360 else 1361 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1362 1363 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1364 MCU_UNI_CMD(STA_REC_UPDATE)); 1365 } 1366 1367 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1368 const struct cfg80211_sar_specs *sar) 1369 { 1370 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1371 struct mt76_phy *mphy = hw->priv; 1372 int err; 1373 1374 mt7921_mutex_acquire(dev); 1375 err = mt76_init_sar_power(hw, sar); 1376 if (err) 1377 goto out; 1378 1379 err = mt76_connac_mcu_set_rate_txpower(mphy); 1380 out: 1381 mt7921_mutex_release(dev); 1382 1383 return err; 1384 } 1385 1386 const struct ieee80211_ops mt7921_ops = { 1387 .tx = mt7921_tx, 1388 .start = mt7921_start, 1389 .stop = mt7921_stop, 1390 .add_interface = mt7921_add_interface, 1391 .remove_interface = mt7921_remove_interface, 1392 .config = mt7921_config, 1393 .conf_tx = mt7921_conf_tx, 1394 .configure_filter = mt7921_configure_filter, 1395 .bss_info_changed = mt7921_bss_info_changed, 1396 .sta_state = mt7921_sta_state, 1397 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1398 .set_key = mt7921_set_key, 1399 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1400 .ampdu_action = mt7921_ampdu_action, 1401 .set_rts_threshold = mt7921_set_rts_threshold, 1402 .wake_tx_queue = mt76_wake_tx_queue, 1403 .release_buffered_frames = mt76_release_buffered_frames, 1404 .get_txpower = mt76_get_txpower, 1405 .get_stats = mt7921_get_stats, 1406 .get_et_sset_count = mt7921_get_et_sset_count, 1407 .get_et_strings = mt7921_get_et_strings, 1408 .get_et_stats = mt7921_get_et_stats, 1409 .get_tsf = mt7921_get_tsf, 1410 .set_tsf = mt7921_set_tsf, 1411 .get_survey = mt76_get_survey, 1412 .get_antenna = mt76_get_antenna, 1413 .set_antenna = mt7921_set_antenna, 1414 .set_coverage_class = mt7921_set_coverage_class, 1415 .hw_scan = mt7921_hw_scan, 1416 .cancel_hw_scan = mt7921_cancel_hw_scan, 1417 .sta_statistics = mt7921_sta_statistics, 1418 .sched_scan_start = mt7921_start_sched_scan, 1419 .sched_scan_stop = mt7921_stop_sched_scan, 1420 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1421 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1422 #ifdef CONFIG_PM 1423 .suspend = mt7921_suspend, 1424 .resume = mt7921_resume, 1425 .set_wakeup = mt7921_set_wakeup, 1426 .set_rekey_data = mt7921_set_rekey_data, 1427 #endif /* CONFIG_PM */ 1428 .flush = mt7921_flush, 1429 .set_sar_specs = mt7921_set_sar_specs, 1430 }; 1431 EXPORT_SYMBOL_GPL(mt7921_ops); 1432 1433 MODULE_LICENSE("Dual BSD/GPL"); 1434 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1435