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 static void 483 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 484 { 485 struct mt7921_dev *dev = priv; 486 struct ieee80211_hw *hw = mt76_hw(dev); 487 bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 488 489 mt7921_mcu_set_sniffer(dev, vif, enabled); 490 } 491 492 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 493 { 494 struct ieee80211_hw *hw = mt76_hw(dev); 495 struct mt76_connac_pm *pm = &dev->pm; 496 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 497 498 pm->enable = pm->enable_user && !monitor; 499 ieee80211_iterate_active_interfaces(hw, 500 IEEE80211_IFACE_ITER_RESUME_ALL, 501 mt7921_pm_interface_iter, dev); 502 pm->ds_enable = pm->ds_enable_user && !monitor; 503 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 504 } 505 506 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 507 { 508 struct mt7921_dev *dev = mt7921_hw_dev(hw); 509 struct mt7921_phy *phy = mt7921_hw_phy(hw); 510 int ret = 0; 511 512 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 513 ieee80211_stop_queues(hw); 514 ret = mt7921_set_channel(phy); 515 if (ret) 516 return ret; 517 ieee80211_wake_queues(hw); 518 } 519 520 mt7921_mutex_acquire(dev); 521 522 if (changed & IEEE80211_CONF_CHANGE_POWER) { 523 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 524 if (ret) 525 goto out; 526 } 527 528 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 529 ieee80211_iterate_active_interfaces(hw, 530 IEEE80211_IFACE_ITER_RESUME_ALL, 531 mt7921_sniffer_interface_iter, dev); 532 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); 533 mt7921_set_runtime_pm(dev); 534 } 535 536 out: 537 mt7921_mutex_release(dev); 538 539 return ret; 540 } 541 542 static int 543 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 544 const struct ieee80211_tx_queue_params *params) 545 { 546 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 547 548 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 549 queue = mt76_connac_lmac_mapping(queue); 550 mvif->queue_params[queue] = *params; 551 552 return 0; 553 } 554 555 static void mt7921_configure_filter(struct ieee80211_hw *hw, 556 unsigned int changed_flags, 557 unsigned int *total_flags, 558 u64 multicast) 559 { 560 struct mt7921_dev *dev = mt7921_hw_dev(hw); 561 struct mt7921_phy *phy = mt7921_hw_phy(hw); 562 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 563 MT_WF_RFCR1_DROP_BF_POLL | 564 MT_WF_RFCR1_DROP_BA | 565 MT_WF_RFCR1_DROP_CFEND | 566 MT_WF_RFCR1_DROP_CFACK; 567 u32 flags = 0; 568 569 #define MT76_FILTER(_flag, _hw) do { \ 570 flags |= *total_flags & FIF_##_flag; \ 571 phy->rxfilter &= ~(_hw); \ 572 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 573 } while (0) 574 575 mt7921_mutex_acquire(dev); 576 577 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 578 MT_WF_RFCR_DROP_OTHER_BEACON | 579 MT_WF_RFCR_DROP_FRAME_REPORT | 580 MT_WF_RFCR_DROP_PROBEREQ | 581 MT_WF_RFCR_DROP_MCAST_FILTERED | 582 MT_WF_RFCR_DROP_MCAST | 583 MT_WF_RFCR_DROP_BCAST | 584 MT_WF_RFCR_DROP_DUPLICATE | 585 MT_WF_RFCR_DROP_A2_BSSID | 586 MT_WF_RFCR_DROP_UNWANTED_CTL | 587 MT_WF_RFCR_DROP_STBC_MULTI); 588 589 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 590 MT_WF_RFCR_DROP_A3_MAC | 591 MT_WF_RFCR_DROP_A3_BSSID); 592 593 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 594 595 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 596 MT_WF_RFCR_DROP_RTS | 597 MT_WF_RFCR_DROP_CTL_RSV | 598 MT_WF_RFCR_DROP_NDPA); 599 600 *total_flags = flags; 601 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 602 603 if (*total_flags & FIF_CONTROL) 604 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 605 else 606 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 607 608 mt7921_mutex_release(dev); 609 } 610 611 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 612 struct ieee80211_vif *vif, 613 struct ieee80211_bss_conf *info, 614 u32 changed) 615 { 616 struct mt7921_phy *phy = mt7921_hw_phy(hw); 617 struct mt7921_dev *dev = mt7921_hw_dev(hw); 618 619 mt7921_mutex_acquire(dev); 620 621 if (changed & BSS_CHANGED_ERP_SLOT) { 622 int slottime = info->use_short_slot ? 9 : 20; 623 624 if (slottime != phy->slottime) { 625 phy->slottime = slottime; 626 mt7921_mac_set_timing(phy); 627 } 628 } 629 630 /* ensure that enable txcmd_mode after bss_info */ 631 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 632 mt7921_mcu_set_tx(dev, vif); 633 634 if (changed & BSS_CHANGED_PS) 635 mt7921_mcu_uni_bss_ps(dev, vif); 636 637 if (changed & BSS_CHANGED_ASSOC) { 638 mt7921_mcu_sta_update(dev, NULL, vif, true, 639 MT76_STA_INFO_STATE_ASSOC); 640 if (dev->pm.enable) 641 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 642 } 643 644 if (changed & BSS_CHANGED_ARP_FILTER) { 645 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 646 647 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 648 info); 649 } 650 651 mt7921_mutex_release(dev); 652 } 653 654 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 655 struct ieee80211_sta *sta) 656 { 657 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 658 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 659 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 660 int ret, idx; 661 662 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 663 if (idx < 0) 664 return -ENOSPC; 665 666 INIT_LIST_HEAD(&msta->poll_list); 667 msta->vif = mvif; 668 msta->wcid.sta = 1; 669 msta->wcid.idx = idx; 670 msta->wcid.ext_phy = mvif->mt76.band_idx; 671 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 672 msta->last_txs = jiffies; 673 674 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 675 if (ret) 676 return ret; 677 678 if (vif->type == NL80211_IFTYPE_STATION) 679 mvif->wep_sta = msta; 680 681 mt7921_mac_wtbl_update(dev, idx, 682 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 683 684 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 685 MT76_STA_INFO_STATE_NONE); 686 if (ret) 687 return ret; 688 689 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 690 691 return 0; 692 } 693 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 694 695 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 696 struct ieee80211_sta *sta) 697 { 698 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 699 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 700 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 701 702 mt7921_mutex_acquire(dev); 703 704 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 705 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 706 true); 707 708 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 709 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 710 711 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 712 713 mt7921_mutex_release(dev); 714 } 715 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 716 717 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 718 struct ieee80211_sta *sta) 719 { 720 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 721 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 722 723 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 724 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 725 726 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 727 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 728 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 729 730 if (vif->type == NL80211_IFTYPE_STATION) { 731 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 732 733 mvif->wep_sta = NULL; 734 ewma_rssi_init(&mvif->rssi); 735 if (!sta->tdls) 736 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 737 &mvif->sta.wcid, false); 738 } 739 740 spin_lock_bh(&dev->sta_poll_lock); 741 if (!list_empty(&msta->poll_list)) 742 list_del_init(&msta->poll_list); 743 spin_unlock_bh(&dev->sta_poll_lock); 744 745 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 746 } 747 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 748 749 void mt7921_tx_worker(struct mt76_worker *w) 750 { 751 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 752 mt76.tx_worker); 753 754 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 755 queue_work(dev->mt76.wq, &dev->pm.wake_work); 756 return; 757 } 758 759 mt76_txq_schedule_all(&dev->mphy); 760 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 761 } 762 763 static void mt7921_tx(struct ieee80211_hw *hw, 764 struct ieee80211_tx_control *control, 765 struct sk_buff *skb) 766 { 767 struct mt7921_dev *dev = mt7921_hw_dev(hw); 768 struct mt76_phy *mphy = hw->priv; 769 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 770 struct ieee80211_vif *vif = info->control.vif; 771 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 772 int qid; 773 774 if (control->sta) { 775 struct mt7921_sta *sta; 776 777 sta = (struct mt7921_sta *)control->sta->drv_priv; 778 wcid = &sta->wcid; 779 } 780 781 if (vif && !control->sta) { 782 struct mt7921_vif *mvif; 783 784 mvif = (struct mt7921_vif *)vif->drv_priv; 785 wcid = &mvif->sta.wcid; 786 } 787 788 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 789 mt76_tx(mphy, control->sta, wcid, skb); 790 mt76_connac_pm_unref(mphy, &dev->pm); 791 return; 792 } 793 794 qid = skb_get_queue_mapping(skb); 795 if (qid >= MT_TXQ_PSD) { 796 qid = IEEE80211_AC_BE; 797 skb_set_queue_mapping(skb, qid); 798 } 799 800 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 801 } 802 803 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 804 { 805 struct mt7921_dev *dev = mt7921_hw_dev(hw); 806 807 mt7921_mutex_acquire(dev); 808 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 809 mt7921_mutex_release(dev); 810 811 return 0; 812 } 813 814 static int 815 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 816 struct ieee80211_ampdu_params *params) 817 { 818 enum ieee80211_ampdu_mlme_action action = params->action; 819 struct mt7921_dev *dev = mt7921_hw_dev(hw); 820 struct ieee80211_sta *sta = params->sta; 821 struct ieee80211_txq *txq = sta->txq[params->tid]; 822 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 823 u16 tid = params->tid; 824 u16 ssn = params->ssn; 825 struct mt76_txq *mtxq; 826 int ret = 0; 827 828 if (!txq) 829 return -EINVAL; 830 831 mtxq = (struct mt76_txq *)txq->drv_priv; 832 833 mt7921_mutex_acquire(dev); 834 switch (action) { 835 case IEEE80211_AMPDU_RX_START: 836 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 837 params->buf_size); 838 mt7921_mcu_uni_rx_ba(dev, params, true); 839 break; 840 case IEEE80211_AMPDU_RX_STOP: 841 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 842 mt7921_mcu_uni_rx_ba(dev, params, false); 843 break; 844 case IEEE80211_AMPDU_TX_OPERATIONAL: 845 mtxq->aggr = true; 846 mtxq->send_bar = false; 847 mt7921_mcu_uni_tx_ba(dev, params, true); 848 break; 849 case IEEE80211_AMPDU_TX_STOP_FLUSH: 850 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 851 mtxq->aggr = false; 852 clear_bit(tid, &msta->ampdu_state); 853 mt7921_mcu_uni_tx_ba(dev, params, false); 854 break; 855 case IEEE80211_AMPDU_TX_START: 856 set_bit(tid, &msta->ampdu_state); 857 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 858 break; 859 case IEEE80211_AMPDU_TX_STOP_CONT: 860 mtxq->aggr = false; 861 clear_bit(tid, &msta->ampdu_state); 862 mt7921_mcu_uni_tx_ba(dev, params, false); 863 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 864 break; 865 } 866 mt7921_mutex_release(dev); 867 868 return ret; 869 } 870 871 static int mt7921_sta_state(struct ieee80211_hw *hw, 872 struct ieee80211_vif *vif, 873 struct ieee80211_sta *sta, 874 enum ieee80211_sta_state old_state, 875 enum ieee80211_sta_state new_state) 876 { 877 struct mt7921_dev *dev = mt7921_hw_dev(hw); 878 879 if (dev->pm.ds_enable) { 880 mt7921_mutex_acquire(dev); 881 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 882 mt7921_mutex_release(dev); 883 } 884 885 return mt76_sta_state(hw, vif, sta, old_state, new_state); 886 } 887 888 static int 889 mt7921_get_stats(struct ieee80211_hw *hw, 890 struct ieee80211_low_level_stats *stats) 891 { 892 struct mt7921_phy *phy = mt7921_hw_phy(hw); 893 struct mib_stats *mib = &phy->mib; 894 895 mt7921_mutex_acquire(phy->dev); 896 897 stats->dot11RTSSuccessCount = mib->rts_cnt; 898 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 899 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 900 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 901 902 mt7921_mutex_release(phy->dev); 903 904 return 0; 905 } 906 907 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 908 /* tx counters */ 909 "tx_ampdu_cnt", 910 "tx_mpdu_attempts", 911 "tx_mpdu_success", 912 "tx_pkt_ebf_cnt", 913 "tx_pkt_ibf_cnt", 914 "tx_ampdu_len:0-1", 915 "tx_ampdu_len:2-10", 916 "tx_ampdu_len:11-19", 917 "tx_ampdu_len:20-28", 918 "tx_ampdu_len:29-37", 919 "tx_ampdu_len:38-46", 920 "tx_ampdu_len:47-55", 921 "tx_ampdu_len:56-79", 922 "tx_ampdu_len:80-103", 923 "tx_ampdu_len:104-127", 924 "tx_ampdu_len:128-151", 925 "tx_ampdu_len:152-175", 926 "tx_ampdu_len:176-199", 927 "tx_ampdu_len:200-223", 928 "tx_ampdu_len:224-247", 929 "ba_miss_count", 930 "tx_beamformer_ppdu_iBF", 931 "tx_beamformer_ppdu_eBF", 932 "tx_beamformer_rx_feedback_all", 933 "tx_beamformer_rx_feedback_he", 934 "tx_beamformer_rx_feedback_vht", 935 "tx_beamformer_rx_feedback_ht", 936 "tx_msdu_pack_1", 937 "tx_msdu_pack_2", 938 "tx_msdu_pack_3", 939 "tx_msdu_pack_4", 940 "tx_msdu_pack_5", 941 "tx_msdu_pack_6", 942 "tx_msdu_pack_7", 943 "tx_msdu_pack_8", 944 /* rx counters */ 945 "rx_mpdu_cnt", 946 "rx_ampdu_cnt", 947 "rx_ampdu_bytes_cnt", 948 "rx_ba_cnt", 949 /* per vif counters */ 950 "v_tx_mode_cck", 951 "v_tx_mode_ofdm", 952 "v_tx_mode_ht", 953 "v_tx_mode_ht_gf", 954 "v_tx_mode_vht", 955 "v_tx_mode_he_su", 956 "v_tx_mode_he_ext_su", 957 "v_tx_mode_he_tb", 958 "v_tx_mode_he_mu", 959 "v_tx_bw_20", 960 "v_tx_bw_40", 961 "v_tx_bw_80", 962 "v_tx_bw_160", 963 "v_tx_mcs_0", 964 "v_tx_mcs_1", 965 "v_tx_mcs_2", 966 "v_tx_mcs_3", 967 "v_tx_mcs_4", 968 "v_tx_mcs_5", 969 "v_tx_mcs_6", 970 "v_tx_mcs_7", 971 "v_tx_mcs_8", 972 "v_tx_mcs_9", 973 "v_tx_mcs_10", 974 "v_tx_mcs_11", 975 }; 976 977 static void 978 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 979 u32 sset, u8 *data) 980 { 981 if (sset != ETH_SS_STATS) 982 return; 983 984 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 985 } 986 987 static int 988 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 989 int sset) 990 { 991 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; 992 } 993 994 static void 995 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 996 { 997 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 998 struct mt76_ethtool_worker_info *wi = wi_data; 999 1000 if (msta->vif->mt76.idx != wi->idx) 1001 return; 1002 1003 mt76_ethtool_worker(wi, &msta->stats); 1004 } 1005 1006 static 1007 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1008 struct ethtool_stats *stats, u64 *data) 1009 { 1010 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1011 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1012 struct mt7921_dev *dev = phy->dev; 1013 struct mib_stats *mib = &phy->mib; 1014 struct mt76_ethtool_worker_info wi = { 1015 .data = data, 1016 .idx = mvif->mt76.idx, 1017 }; 1018 int i, ei = 0; 1019 1020 mt7921_mutex_acquire(dev); 1021 1022 mt7921_mac_update_mib_stats(phy); 1023 1024 data[ei++] = mib->tx_ampdu_cnt; 1025 data[ei++] = mib->tx_mpdu_attempts_cnt; 1026 data[ei++] = mib->tx_mpdu_success_cnt; 1027 data[ei++] = mib->tx_pkt_ebf_cnt; 1028 data[ei++] = mib->tx_pkt_ibf_cnt; 1029 1030 /* Tx ampdu stat */ 1031 for (i = 0; i < 15; i++) 1032 data[ei++] = dev->mt76.aggr_stats[i]; 1033 1034 data[ei++] = phy->mib.ba_miss_cnt; 1035 1036 /* Tx Beamformer monitor */ 1037 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1038 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1039 1040 /* Tx Beamformer Rx feedback monitor */ 1041 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1042 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1043 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1044 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1045 1046 /* Tx amsdu info (pack-count histogram) */ 1047 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1048 data[ei++] = mib->tx_amsdu[i]; 1049 1050 /* rx counters */ 1051 data[ei++] = mib->rx_mpdu_cnt; 1052 data[ei++] = mib->rx_ampdu_cnt; 1053 data[ei++] = mib->rx_ampdu_bytes_cnt; 1054 data[ei++] = mib->rx_ba_cnt; 1055 1056 /* Add values for all stations owned by this vif */ 1057 wi.initial_stat_idx = ei; 1058 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1059 1060 mt7921_mutex_release(dev); 1061 1062 if (!wi.sta_count) 1063 return; 1064 1065 ei += wi.worker_stat_count; 1066 if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) 1067 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", 1068 ei, ARRAY_SIZE(mt7921_gstrings_stats)); 1069 } 1070 1071 static u64 1072 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1073 { 1074 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1075 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1076 u8 omac_idx = mvif->mt76.omac_idx; 1077 union { 1078 u64 t64; 1079 u32 t32[2]; 1080 } tsf; 1081 u16 n; 1082 1083 mt7921_mutex_acquire(dev); 1084 1085 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1086 /* TSF software read */ 1087 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1088 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1089 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1090 1091 mt7921_mutex_release(dev); 1092 1093 return tsf.t64; 1094 } 1095 1096 static void 1097 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1098 u64 timestamp) 1099 { 1100 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1101 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1102 u8 omac_idx = mvif->mt76.omac_idx; 1103 union { 1104 u64 t64; 1105 u32 t32[2]; 1106 } tsf = { .t64 = timestamp, }; 1107 u16 n; 1108 1109 mt7921_mutex_acquire(dev); 1110 1111 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1112 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1113 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1114 /* TSF software overwrite */ 1115 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1116 1117 mt7921_mutex_release(dev); 1118 } 1119 1120 static void 1121 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1122 { 1123 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1124 struct mt7921_dev *dev = phy->dev; 1125 1126 mt7921_mutex_acquire(dev); 1127 phy->coverage_class = max_t(s16, coverage_class, 0); 1128 mt7921_mac_set_timing(phy); 1129 mt7921_mutex_release(dev); 1130 } 1131 1132 void mt7921_scan_work(struct work_struct *work) 1133 { 1134 struct mt7921_phy *phy; 1135 1136 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1137 scan_work.work); 1138 1139 while (true) { 1140 struct mt7921_mcu_rxd *rxd; 1141 struct sk_buff *skb; 1142 1143 spin_lock_bh(&phy->dev->mt76.lock); 1144 skb = __skb_dequeue(&phy->scan_event_list); 1145 spin_unlock_bh(&phy->dev->mt76.lock); 1146 1147 if (!skb) 1148 break; 1149 1150 rxd = (struct mt7921_mcu_rxd *)skb->data; 1151 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1152 ieee80211_sched_scan_results(phy->mt76->hw); 1153 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1154 &phy->mt76->state)) { 1155 struct cfg80211_scan_info info = { 1156 .aborted = false, 1157 }; 1158 1159 ieee80211_scan_completed(phy->mt76->hw, &info); 1160 } 1161 dev_kfree_skb(skb); 1162 } 1163 } 1164 1165 static int 1166 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1167 struct ieee80211_scan_request *req) 1168 { 1169 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1170 struct mt76_phy *mphy = hw->priv; 1171 int err; 1172 1173 mt7921_mutex_acquire(dev); 1174 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1175 mt7921_mutex_release(dev); 1176 1177 return err; 1178 } 1179 1180 static void 1181 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1182 { 1183 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1184 struct mt76_phy *mphy = hw->priv; 1185 1186 mt7921_mutex_acquire(dev); 1187 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1188 mt7921_mutex_release(dev); 1189 } 1190 1191 static int 1192 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1193 struct cfg80211_sched_scan_request *req, 1194 struct ieee80211_scan_ies *ies) 1195 { 1196 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1197 struct mt76_phy *mphy = hw->priv; 1198 int err; 1199 1200 mt7921_mutex_acquire(dev); 1201 1202 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1203 if (err < 0) 1204 goto out; 1205 1206 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1207 out: 1208 mt7921_mutex_release(dev); 1209 1210 return err; 1211 } 1212 1213 static int 1214 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1215 { 1216 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1217 struct mt76_phy *mphy = hw->priv; 1218 int err; 1219 1220 mt7921_mutex_acquire(dev); 1221 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1222 mt7921_mutex_release(dev); 1223 1224 return err; 1225 } 1226 1227 static int 1228 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1229 { 1230 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1231 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1232 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1233 1234 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1235 return -EINVAL; 1236 1237 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1238 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1239 1240 mt7921_mutex_acquire(dev); 1241 1242 phy->mt76->antenna_mask = tx_ant; 1243 phy->mt76->chainmask = tx_ant; 1244 1245 mt76_set_stream_caps(phy->mt76, true); 1246 mt7921_set_stream_he_caps(phy); 1247 1248 mt7921_mutex_release(dev); 1249 1250 return 0; 1251 } 1252 1253 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1254 struct ieee80211_vif *vif, 1255 struct ieee80211_sta *sta, 1256 struct station_info *sinfo) 1257 { 1258 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1259 struct rate_info *txrate = &msta->wcid.rate; 1260 1261 if (!txrate->legacy && !txrate->flags) 1262 return; 1263 1264 if (txrate->legacy) { 1265 sinfo->txrate.legacy = txrate->legacy; 1266 } else { 1267 sinfo->txrate.mcs = txrate->mcs; 1268 sinfo->txrate.nss = txrate->nss; 1269 sinfo->txrate.bw = txrate->bw; 1270 sinfo->txrate.he_gi = txrate->he_gi; 1271 sinfo->txrate.he_dcm = txrate->he_dcm; 1272 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1273 } 1274 sinfo->txrate.flags = txrate->flags; 1275 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1276 } 1277 1278 #ifdef CONFIG_PM 1279 static int mt7921_suspend(struct ieee80211_hw *hw, 1280 struct cfg80211_wowlan *wowlan) 1281 { 1282 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1283 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1284 1285 cancel_delayed_work_sync(&phy->scan_work); 1286 cancel_delayed_work_sync(&phy->mt76->mac_work); 1287 1288 cancel_delayed_work_sync(&dev->pm.ps_work); 1289 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1290 1291 mt7921_mutex_acquire(dev); 1292 1293 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1294 ieee80211_iterate_active_interfaces(hw, 1295 IEEE80211_IFACE_ITER_RESUME_ALL, 1296 mt76_connac_mcu_set_suspend_iter, 1297 &dev->mphy); 1298 1299 mt7921_mutex_release(dev); 1300 1301 return 0; 1302 } 1303 1304 static int mt7921_resume(struct ieee80211_hw *hw) 1305 { 1306 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1307 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1308 1309 mt7921_mutex_acquire(dev); 1310 1311 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1312 ieee80211_iterate_active_interfaces(hw, 1313 IEEE80211_IFACE_ITER_RESUME_ALL, 1314 mt76_connac_mcu_set_suspend_iter, 1315 &dev->mphy); 1316 1317 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1318 MT7921_WATCHDOG_TIME); 1319 1320 mt7921_mutex_release(dev); 1321 1322 return 0; 1323 } 1324 1325 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1326 { 1327 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1328 struct mt76_dev *mdev = &dev->mt76; 1329 1330 device_set_wakeup_enable(mdev->dev, enabled); 1331 } 1332 1333 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1334 struct ieee80211_vif *vif, 1335 struct cfg80211_gtk_rekey_data *data) 1336 { 1337 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1338 1339 mt7921_mutex_acquire(dev); 1340 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1341 mt7921_mutex_release(dev); 1342 } 1343 #endif /* CONFIG_PM */ 1344 1345 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1346 u32 queues, bool drop) 1347 { 1348 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1349 1350 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1351 HZ / 2); 1352 } 1353 1354 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1355 struct ieee80211_vif *vif, 1356 struct ieee80211_sta *sta, 1357 bool enabled) 1358 { 1359 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1360 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1361 1362 if (enabled) 1363 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1364 else 1365 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1366 1367 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1368 MCU_UNI_CMD(STA_REC_UPDATE)); 1369 } 1370 1371 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1372 const struct cfg80211_sar_specs *sar) 1373 { 1374 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1375 struct mt76_phy *mphy = hw->priv; 1376 int err; 1377 1378 mt7921_mutex_acquire(dev); 1379 err = mt76_init_sar_power(hw, sar); 1380 if (err) 1381 goto out; 1382 1383 err = mt76_connac_mcu_set_rate_txpower(mphy); 1384 out: 1385 mt7921_mutex_release(dev); 1386 1387 return err; 1388 } 1389 1390 const struct ieee80211_ops mt7921_ops = { 1391 .tx = mt7921_tx, 1392 .start = mt7921_start, 1393 .stop = mt7921_stop, 1394 .add_interface = mt7921_add_interface, 1395 .remove_interface = mt7921_remove_interface, 1396 .config = mt7921_config, 1397 .conf_tx = mt7921_conf_tx, 1398 .configure_filter = mt7921_configure_filter, 1399 .bss_info_changed = mt7921_bss_info_changed, 1400 .sta_state = mt7921_sta_state, 1401 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1402 .set_key = mt7921_set_key, 1403 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1404 .ampdu_action = mt7921_ampdu_action, 1405 .set_rts_threshold = mt7921_set_rts_threshold, 1406 .wake_tx_queue = mt76_wake_tx_queue, 1407 .release_buffered_frames = mt76_release_buffered_frames, 1408 .get_txpower = mt76_get_txpower, 1409 .get_stats = mt7921_get_stats, 1410 .get_et_sset_count = mt7921_get_et_sset_count, 1411 .get_et_strings = mt7921_get_et_strings, 1412 .get_et_stats = mt7921_get_et_stats, 1413 .get_tsf = mt7921_get_tsf, 1414 .set_tsf = mt7921_set_tsf, 1415 .get_survey = mt76_get_survey, 1416 .get_antenna = mt76_get_antenna, 1417 .set_antenna = mt7921_set_antenna, 1418 .set_coverage_class = mt7921_set_coverage_class, 1419 .hw_scan = mt7921_hw_scan, 1420 .cancel_hw_scan = mt7921_cancel_hw_scan, 1421 .sta_statistics = mt7921_sta_statistics, 1422 .sched_scan_start = mt7921_start_sched_scan, 1423 .sched_scan_stop = mt7921_stop_sched_scan, 1424 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1425 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1426 #ifdef CONFIG_PM 1427 .suspend = mt7921_suspend, 1428 .resume = mt7921_resume, 1429 .set_wakeup = mt7921_set_wakeup, 1430 .set_rekey_data = mt7921_set_rekey_data, 1431 #endif /* CONFIG_PM */ 1432 .flush = mt7921_flush, 1433 .set_sar_specs = mt7921_set_sar_specs, 1434 }; 1435 EXPORT_SYMBOL_GPL(mt7921_ops); 1436 1437 MODULE_LICENSE("Dual BSD/GPL"); 1438 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1439