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 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 EXPORT_SYMBOL_GPL(mt7921_stop); 285 286 static int mt7921_add_interface(struct ieee80211_hw *hw, 287 struct ieee80211_vif *vif) 288 { 289 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 290 struct mt7921_dev *dev = mt7921_hw_dev(hw); 291 struct mt7921_phy *phy = mt7921_hw_phy(hw); 292 struct mt76_txq *mtxq; 293 int idx, ret = 0; 294 295 mt7921_mutex_acquire(dev); 296 297 mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; 298 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 299 ret = -ENOSPC; 300 goto out; 301 } 302 303 mvif->mt76.omac_idx = mvif->mt76.idx; 304 mvif->phy = phy; 305 mvif->mt76.band_idx = 0; 306 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; 307 308 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 309 true); 310 if (ret) 311 goto out; 312 313 dev->mt76.vif_mask |= BIT(mvif->mt76.idx); 314 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 315 316 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 317 318 INIT_LIST_HEAD(&mvif->sta.poll_list); 319 mvif->sta.wcid.idx = idx; 320 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 321 mvif->sta.wcid.hw_key_idx = -1; 322 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 323 mt76_packet_id_init(&mvif->sta.wcid); 324 325 mt7921_mac_wtbl_update(dev, idx, 326 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 327 328 ewma_rssi_init(&mvif->rssi); 329 330 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 331 if (vif->txq) { 332 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 333 mtxq->wcid = &mvif->sta.wcid; 334 } 335 336 out: 337 mt7921_mutex_release(dev); 338 339 return ret; 340 } 341 342 static void mt7921_remove_interface(struct ieee80211_hw *hw, 343 struct ieee80211_vif *vif) 344 { 345 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 346 struct mt7921_sta *msta = &mvif->sta; 347 struct mt7921_dev *dev = mt7921_hw_dev(hw); 348 struct mt7921_phy *phy = mt7921_hw_phy(hw); 349 int idx = msta->wcid.idx; 350 351 mt7921_mutex_acquire(dev); 352 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 353 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 354 355 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 356 357 dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); 358 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 359 mt7921_mutex_release(dev); 360 361 spin_lock_bh(&dev->sta_poll_lock); 362 if (!list_empty(&msta->poll_list)) 363 list_del_init(&msta->poll_list); 364 spin_unlock_bh(&dev->sta_poll_lock); 365 366 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 367 } 368 369 static int mt7921_set_channel(struct mt7921_phy *phy) 370 { 371 struct mt7921_dev *dev = phy->dev; 372 int ret; 373 374 cancel_delayed_work_sync(&phy->mt76->mac_work); 375 376 mt7921_mutex_acquire(dev); 377 set_bit(MT76_RESET, &phy->mt76->state); 378 379 mt76_set_channel(phy->mt76); 380 381 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 382 if (ret) 383 goto out; 384 385 mt7921_mac_set_timing(phy); 386 387 mt7921_mac_reset_counters(phy); 388 phy->noise = 0; 389 390 out: 391 clear_bit(MT76_RESET, &phy->mt76->state); 392 mt7921_mutex_release(dev); 393 394 mt76_worker_schedule(&dev->mt76.tx_worker); 395 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 396 MT7921_WATCHDOG_TIME); 397 398 return ret; 399 } 400 401 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 402 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 403 struct ieee80211_key_conf *key) 404 { 405 struct mt7921_dev *dev = mt7921_hw_dev(hw); 406 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 407 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 408 &mvif->sta; 409 struct mt76_wcid *wcid = &msta->wcid; 410 u8 *wcid_keyidx = &wcid->hw_key_idx; 411 int idx = key->keyidx, err = 0; 412 413 /* The hardware does not support per-STA RX GTK, fallback 414 * to software mode for these. 415 */ 416 if ((vif->type == NL80211_IFTYPE_ADHOC || 417 vif->type == NL80211_IFTYPE_MESH_POINT) && 418 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 419 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 420 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 421 return -EOPNOTSUPP; 422 423 /* fall back to sw encryption for unsupported ciphers */ 424 switch (key->cipher) { 425 case WLAN_CIPHER_SUITE_AES_CMAC: 426 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 427 wcid_keyidx = &wcid->hw_key_idx2; 428 break; 429 case WLAN_CIPHER_SUITE_WEP40: 430 case WLAN_CIPHER_SUITE_WEP104: 431 if (!mvif->wep_sta) 432 return -EOPNOTSUPP; 433 break; 434 case WLAN_CIPHER_SUITE_TKIP: 435 case WLAN_CIPHER_SUITE_CCMP: 436 case WLAN_CIPHER_SUITE_CCMP_256: 437 case WLAN_CIPHER_SUITE_GCMP: 438 case WLAN_CIPHER_SUITE_GCMP_256: 439 case WLAN_CIPHER_SUITE_SMS4: 440 break; 441 default: 442 return -EOPNOTSUPP; 443 } 444 445 mt7921_mutex_acquire(dev); 446 447 if (cmd == SET_KEY) 448 *wcid_keyidx = idx; 449 else if (idx == *wcid_keyidx) 450 *wcid_keyidx = -1; 451 else 452 goto out; 453 454 mt76_wcid_key_setup(&dev->mt76, wcid, 455 cmd == SET_KEY ? key : NULL); 456 457 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 458 key, MCU_UNI_CMD(STA_REC_UPDATE), 459 &msta->wcid, cmd); 460 if (err) 461 goto out; 462 463 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 464 key->cipher == WLAN_CIPHER_SUITE_WEP40) 465 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 466 &mvif->wep_sta->bip, 467 key, MCU_UNI_CMD(STA_REC_UPDATE), 468 &mvif->wep_sta->wcid, cmd); 469 out: 470 mt7921_mutex_release(dev); 471 472 return err; 473 } 474 475 static void 476 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 477 { 478 struct mt7921_dev *dev = priv; 479 480 mt7921_mcu_set_beacon_filter(dev, vif, dev->pm.enable); 481 } 482 483 static void 484 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 485 { 486 struct mt7921_dev *dev = priv; 487 struct ieee80211_hw *hw = mt76_hw(dev); 488 struct mt76_connac_pm *pm = &dev->pm; 489 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 490 491 mt7921_mcu_set_sniffer(dev, vif, monitor); 492 pm->enable = !monitor; 493 pm->ds_enable = !monitor; 494 495 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 496 497 if (monitor) 498 mt7921_mcu_set_beacon_filter(dev, vif, false); 499 } 500 501 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 502 { 503 struct ieee80211_hw *hw = mt76_hw(dev); 504 struct mt76_connac_pm *pm = &dev->pm; 505 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 506 507 pm->enable = pm->enable_user && !monitor; 508 ieee80211_iterate_active_interfaces(hw, 509 IEEE80211_IFACE_ITER_RESUME_ALL, 510 mt7921_pm_interface_iter, dev); 511 pm->ds_enable = pm->ds_enable_user && !monitor; 512 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 513 } 514 515 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 516 { 517 struct mt7921_dev *dev = mt7921_hw_dev(hw); 518 struct mt7921_phy *phy = mt7921_hw_phy(hw); 519 int ret = 0; 520 521 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 522 ieee80211_stop_queues(hw); 523 ret = mt7921_set_channel(phy); 524 if (ret) 525 return ret; 526 ieee80211_wake_queues(hw); 527 } 528 529 mt7921_mutex_acquire(dev); 530 531 if (changed & IEEE80211_CONF_CHANGE_POWER) { 532 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 533 if (ret) 534 goto out; 535 } 536 537 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 538 ieee80211_iterate_active_interfaces(hw, 539 IEEE80211_IFACE_ITER_RESUME_ALL, 540 mt7921_sniffer_interface_iter, dev); 541 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); 542 } 543 544 out: 545 mt7921_mutex_release(dev); 546 547 return ret; 548 } 549 550 static int 551 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 552 const struct ieee80211_tx_queue_params *params) 553 { 554 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 555 556 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 557 queue = mt76_connac_lmac_mapping(queue); 558 mvif->queue_params[queue] = *params; 559 560 return 0; 561 } 562 563 static void mt7921_configure_filter(struct ieee80211_hw *hw, 564 unsigned int changed_flags, 565 unsigned int *total_flags, 566 u64 multicast) 567 { 568 struct mt7921_dev *dev = mt7921_hw_dev(hw); 569 struct mt7921_phy *phy = mt7921_hw_phy(hw); 570 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 571 MT_WF_RFCR1_DROP_BF_POLL | 572 MT_WF_RFCR1_DROP_BA | 573 MT_WF_RFCR1_DROP_CFEND | 574 MT_WF_RFCR1_DROP_CFACK; 575 u32 flags = 0; 576 577 #define MT76_FILTER(_flag, _hw) do { \ 578 flags |= *total_flags & FIF_##_flag; \ 579 phy->rxfilter &= ~(_hw); \ 580 phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 581 } while (0) 582 583 mt7921_mutex_acquire(dev); 584 585 phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 586 MT_WF_RFCR_DROP_OTHER_BEACON | 587 MT_WF_RFCR_DROP_FRAME_REPORT | 588 MT_WF_RFCR_DROP_PROBEREQ | 589 MT_WF_RFCR_DROP_MCAST_FILTERED | 590 MT_WF_RFCR_DROP_MCAST | 591 MT_WF_RFCR_DROP_BCAST | 592 MT_WF_RFCR_DROP_DUPLICATE | 593 MT_WF_RFCR_DROP_A2_BSSID | 594 MT_WF_RFCR_DROP_UNWANTED_CTL | 595 MT_WF_RFCR_DROP_STBC_MULTI); 596 597 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 598 MT_WF_RFCR_DROP_A3_MAC | 599 MT_WF_RFCR_DROP_A3_BSSID); 600 601 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 602 603 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 604 MT_WF_RFCR_DROP_RTS | 605 MT_WF_RFCR_DROP_CTL_RSV | 606 MT_WF_RFCR_DROP_NDPA); 607 608 *total_flags = flags; 609 mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); 610 611 if (*total_flags & FIF_CONTROL) 612 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 613 else 614 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 615 616 mt7921_mutex_release(dev); 617 } 618 619 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 620 struct ieee80211_vif *vif, 621 struct ieee80211_bss_conf *info, 622 u32 changed) 623 { 624 struct mt7921_phy *phy = mt7921_hw_phy(hw); 625 struct mt7921_dev *dev = mt7921_hw_dev(hw); 626 627 mt7921_mutex_acquire(dev); 628 629 if (changed & BSS_CHANGED_ERP_SLOT) { 630 int slottime = info->use_short_slot ? 9 : 20; 631 632 if (slottime != phy->slottime) { 633 phy->slottime = slottime; 634 mt7921_mac_set_timing(phy); 635 } 636 } 637 638 /* ensure that enable txcmd_mode after bss_info */ 639 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 640 mt7921_mcu_set_tx(dev, vif); 641 642 if (changed & BSS_CHANGED_PS) 643 mt7921_mcu_uni_bss_ps(dev, vif); 644 645 if (changed & BSS_CHANGED_ASSOC) { 646 mt7921_mcu_sta_update(dev, NULL, vif, true, 647 MT76_STA_INFO_STATE_ASSOC); 648 if (dev->pm.enable) 649 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 650 } 651 652 if (changed & BSS_CHANGED_ARP_FILTER) { 653 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 654 655 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 656 info); 657 } 658 659 mt7921_mutex_release(dev); 660 } 661 662 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 663 struct ieee80211_sta *sta) 664 { 665 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 666 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 667 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 668 int ret, idx; 669 670 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 671 if (idx < 0) 672 return -ENOSPC; 673 674 INIT_LIST_HEAD(&msta->poll_list); 675 msta->vif = mvif; 676 msta->wcid.sta = 1; 677 msta->wcid.idx = idx; 678 msta->wcid.ext_phy = mvif->mt76.band_idx; 679 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 680 msta->last_txs = jiffies; 681 682 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 683 if (ret) 684 return ret; 685 686 if (vif->type == NL80211_IFTYPE_STATION) 687 mvif->wep_sta = msta; 688 689 mt7921_mac_wtbl_update(dev, idx, 690 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 691 692 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 693 MT76_STA_INFO_STATE_NONE); 694 if (ret) 695 return ret; 696 697 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 698 699 return 0; 700 } 701 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 702 703 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 704 struct ieee80211_sta *sta) 705 { 706 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 707 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 708 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 709 710 mt7921_mutex_acquire(dev); 711 712 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 713 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 714 true); 715 716 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 717 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 718 719 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 720 721 mt7921_mutex_release(dev); 722 } 723 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 724 725 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 726 struct ieee80211_sta *sta) 727 { 728 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 729 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 730 731 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 732 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 733 734 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 735 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 736 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 737 738 if (vif->type == NL80211_IFTYPE_STATION) { 739 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 740 741 mvif->wep_sta = NULL; 742 ewma_rssi_init(&mvif->rssi); 743 if (!sta->tdls) 744 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 745 &mvif->sta.wcid, false); 746 } 747 748 spin_lock_bh(&dev->sta_poll_lock); 749 if (!list_empty(&msta->poll_list)) 750 list_del_init(&msta->poll_list); 751 spin_unlock_bh(&dev->sta_poll_lock); 752 753 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 754 } 755 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 756 757 void mt7921_tx_worker(struct mt76_worker *w) 758 { 759 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 760 mt76.tx_worker); 761 762 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 763 queue_work(dev->mt76.wq, &dev->pm.wake_work); 764 return; 765 } 766 767 mt76_txq_schedule_all(&dev->mphy); 768 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 769 } 770 771 static void mt7921_tx(struct ieee80211_hw *hw, 772 struct ieee80211_tx_control *control, 773 struct sk_buff *skb) 774 { 775 struct mt7921_dev *dev = mt7921_hw_dev(hw); 776 struct mt76_phy *mphy = hw->priv; 777 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 778 struct ieee80211_vif *vif = info->control.vif; 779 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 780 int qid; 781 782 if (control->sta) { 783 struct mt7921_sta *sta; 784 785 sta = (struct mt7921_sta *)control->sta->drv_priv; 786 wcid = &sta->wcid; 787 } 788 789 if (vif && !control->sta) { 790 struct mt7921_vif *mvif; 791 792 mvif = (struct mt7921_vif *)vif->drv_priv; 793 wcid = &mvif->sta.wcid; 794 } 795 796 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 797 mt76_tx(mphy, control->sta, wcid, skb); 798 mt76_connac_pm_unref(mphy, &dev->pm); 799 return; 800 } 801 802 qid = skb_get_queue_mapping(skb); 803 if (qid >= MT_TXQ_PSD) { 804 qid = IEEE80211_AC_BE; 805 skb_set_queue_mapping(skb, qid); 806 } 807 808 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 809 } 810 811 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 812 { 813 struct mt7921_dev *dev = mt7921_hw_dev(hw); 814 815 mt7921_mutex_acquire(dev); 816 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 817 mt7921_mutex_release(dev); 818 819 return 0; 820 } 821 822 static int 823 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 824 struct ieee80211_ampdu_params *params) 825 { 826 enum ieee80211_ampdu_mlme_action action = params->action; 827 struct mt7921_dev *dev = mt7921_hw_dev(hw); 828 struct ieee80211_sta *sta = params->sta; 829 struct ieee80211_txq *txq = sta->txq[params->tid]; 830 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 831 u16 tid = params->tid; 832 u16 ssn = params->ssn; 833 struct mt76_txq *mtxq; 834 int ret = 0; 835 836 if (!txq) 837 return -EINVAL; 838 839 mtxq = (struct mt76_txq *)txq->drv_priv; 840 841 mt7921_mutex_acquire(dev); 842 switch (action) { 843 case IEEE80211_AMPDU_RX_START: 844 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 845 params->buf_size); 846 mt7921_mcu_uni_rx_ba(dev, params, true); 847 break; 848 case IEEE80211_AMPDU_RX_STOP: 849 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 850 mt7921_mcu_uni_rx_ba(dev, params, false); 851 break; 852 case IEEE80211_AMPDU_TX_OPERATIONAL: 853 mtxq->aggr = true; 854 mtxq->send_bar = false; 855 mt7921_mcu_uni_tx_ba(dev, params, true); 856 break; 857 case IEEE80211_AMPDU_TX_STOP_FLUSH: 858 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 859 mtxq->aggr = false; 860 clear_bit(tid, &msta->ampdu_state); 861 mt7921_mcu_uni_tx_ba(dev, params, false); 862 break; 863 case IEEE80211_AMPDU_TX_START: 864 set_bit(tid, &msta->ampdu_state); 865 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 866 break; 867 case IEEE80211_AMPDU_TX_STOP_CONT: 868 mtxq->aggr = false; 869 clear_bit(tid, &msta->ampdu_state); 870 mt7921_mcu_uni_tx_ba(dev, params, false); 871 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 872 break; 873 } 874 mt7921_mutex_release(dev); 875 876 return ret; 877 } 878 879 static int mt7921_sta_state(struct ieee80211_hw *hw, 880 struct ieee80211_vif *vif, 881 struct ieee80211_sta *sta, 882 enum ieee80211_sta_state old_state, 883 enum ieee80211_sta_state new_state) 884 { 885 struct mt7921_dev *dev = mt7921_hw_dev(hw); 886 887 if (dev->pm.ds_enable) { 888 mt7921_mutex_acquire(dev); 889 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 890 mt7921_mutex_release(dev); 891 } 892 893 return mt76_sta_state(hw, vif, sta, old_state, new_state); 894 } 895 896 static int 897 mt7921_get_stats(struct ieee80211_hw *hw, 898 struct ieee80211_low_level_stats *stats) 899 { 900 struct mt7921_phy *phy = mt7921_hw_phy(hw); 901 struct mib_stats *mib = &phy->mib; 902 903 mt7921_mutex_acquire(phy->dev); 904 905 stats->dot11RTSSuccessCount = mib->rts_cnt; 906 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 907 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 908 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 909 910 mt7921_mutex_release(phy->dev); 911 912 return 0; 913 } 914 915 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 916 /* tx counters */ 917 "tx_ampdu_cnt", 918 "tx_mpdu_attempts", 919 "tx_mpdu_success", 920 "tx_pkt_ebf_cnt", 921 "tx_pkt_ibf_cnt", 922 "tx_ampdu_len:0-1", 923 "tx_ampdu_len:2-10", 924 "tx_ampdu_len:11-19", 925 "tx_ampdu_len:20-28", 926 "tx_ampdu_len:29-37", 927 "tx_ampdu_len:38-46", 928 "tx_ampdu_len:47-55", 929 "tx_ampdu_len:56-79", 930 "tx_ampdu_len:80-103", 931 "tx_ampdu_len:104-127", 932 "tx_ampdu_len:128-151", 933 "tx_ampdu_len:152-175", 934 "tx_ampdu_len:176-199", 935 "tx_ampdu_len:200-223", 936 "tx_ampdu_len:224-247", 937 "ba_miss_count", 938 "tx_beamformer_ppdu_iBF", 939 "tx_beamformer_ppdu_eBF", 940 "tx_beamformer_rx_feedback_all", 941 "tx_beamformer_rx_feedback_he", 942 "tx_beamformer_rx_feedback_vht", 943 "tx_beamformer_rx_feedback_ht", 944 "tx_msdu_pack_1", 945 "tx_msdu_pack_2", 946 "tx_msdu_pack_3", 947 "tx_msdu_pack_4", 948 "tx_msdu_pack_5", 949 "tx_msdu_pack_6", 950 "tx_msdu_pack_7", 951 "tx_msdu_pack_8", 952 /* rx counters */ 953 "rx_mpdu_cnt", 954 "rx_ampdu_cnt", 955 "rx_ampdu_bytes_cnt", 956 "rx_ba_cnt", 957 /* per vif counters */ 958 "v_tx_mode_cck", 959 "v_tx_mode_ofdm", 960 "v_tx_mode_ht", 961 "v_tx_mode_ht_gf", 962 "v_tx_mode_vht", 963 "v_tx_mode_he_su", 964 "v_tx_mode_he_ext_su", 965 "v_tx_mode_he_tb", 966 "v_tx_mode_he_mu", 967 "v_tx_bw_20", 968 "v_tx_bw_40", 969 "v_tx_bw_80", 970 "v_tx_bw_160", 971 "v_tx_mcs_0", 972 "v_tx_mcs_1", 973 "v_tx_mcs_2", 974 "v_tx_mcs_3", 975 "v_tx_mcs_4", 976 "v_tx_mcs_5", 977 "v_tx_mcs_6", 978 "v_tx_mcs_7", 979 "v_tx_mcs_8", 980 "v_tx_mcs_9", 981 "v_tx_mcs_10", 982 "v_tx_mcs_11", 983 }; 984 985 static void 986 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 987 u32 sset, u8 *data) 988 { 989 if (sset != ETH_SS_STATS) 990 return; 991 992 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 993 } 994 995 static int 996 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 997 int sset) 998 { 999 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; 1000 } 1001 1002 static void 1003 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1004 { 1005 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1006 struct mt76_ethtool_worker_info *wi = wi_data; 1007 1008 if (msta->vif->mt76.idx != wi->idx) 1009 return; 1010 1011 mt76_ethtool_worker(wi, &msta->stats); 1012 } 1013 1014 static 1015 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1016 struct ethtool_stats *stats, u64 *data) 1017 { 1018 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1019 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1020 struct mt7921_dev *dev = phy->dev; 1021 struct mib_stats *mib = &phy->mib; 1022 struct mt76_ethtool_worker_info wi = { 1023 .data = data, 1024 .idx = mvif->mt76.idx, 1025 }; 1026 int i, ei = 0; 1027 1028 mt7921_mutex_acquire(dev); 1029 1030 mt7921_mac_update_mib_stats(phy); 1031 1032 data[ei++] = mib->tx_ampdu_cnt; 1033 data[ei++] = mib->tx_mpdu_attempts_cnt; 1034 data[ei++] = mib->tx_mpdu_success_cnt; 1035 data[ei++] = mib->tx_pkt_ebf_cnt; 1036 data[ei++] = mib->tx_pkt_ibf_cnt; 1037 1038 /* Tx ampdu stat */ 1039 for (i = 0; i < 15; i++) 1040 data[ei++] = dev->mt76.aggr_stats[i]; 1041 1042 data[ei++] = phy->mib.ba_miss_cnt; 1043 1044 /* Tx Beamformer monitor */ 1045 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1046 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1047 1048 /* Tx Beamformer Rx feedback monitor */ 1049 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1050 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1051 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1052 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1053 1054 /* Tx amsdu info (pack-count histogram) */ 1055 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1056 data[ei++] = mib->tx_amsdu[i]; 1057 1058 /* rx counters */ 1059 data[ei++] = mib->rx_mpdu_cnt; 1060 data[ei++] = mib->rx_ampdu_cnt; 1061 data[ei++] = mib->rx_ampdu_bytes_cnt; 1062 data[ei++] = mib->rx_ba_cnt; 1063 1064 /* Add values for all stations owned by this vif */ 1065 wi.initial_stat_idx = ei; 1066 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1067 1068 mt7921_mutex_release(dev); 1069 1070 if (!wi.sta_count) 1071 return; 1072 1073 ei += wi.worker_stat_count; 1074 if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) 1075 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", 1076 ei, ARRAY_SIZE(mt7921_gstrings_stats)); 1077 } 1078 1079 static u64 1080 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1081 { 1082 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1083 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1084 u8 omac_idx = mvif->mt76.omac_idx; 1085 union { 1086 u64 t64; 1087 u32 t32[2]; 1088 } tsf; 1089 u16 n; 1090 1091 mt7921_mutex_acquire(dev); 1092 1093 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1094 /* TSF software read */ 1095 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1096 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1097 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1098 1099 mt7921_mutex_release(dev); 1100 1101 return tsf.t64; 1102 } 1103 1104 static void 1105 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1106 u64 timestamp) 1107 { 1108 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1109 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1110 u8 omac_idx = mvif->mt76.omac_idx; 1111 union { 1112 u64 t64; 1113 u32 t32[2]; 1114 } tsf = { .t64 = timestamp, }; 1115 u16 n; 1116 1117 mt7921_mutex_acquire(dev); 1118 1119 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1120 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1121 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1122 /* TSF software overwrite */ 1123 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1124 1125 mt7921_mutex_release(dev); 1126 } 1127 1128 static void 1129 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1130 { 1131 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1132 struct mt7921_dev *dev = phy->dev; 1133 1134 mt7921_mutex_acquire(dev); 1135 phy->coverage_class = max_t(s16, coverage_class, 0); 1136 mt7921_mac_set_timing(phy); 1137 mt7921_mutex_release(dev); 1138 } 1139 1140 void mt7921_scan_work(struct work_struct *work) 1141 { 1142 struct mt7921_phy *phy; 1143 1144 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1145 scan_work.work); 1146 1147 while (true) { 1148 struct mt7921_mcu_rxd *rxd; 1149 struct sk_buff *skb; 1150 1151 spin_lock_bh(&phy->dev->mt76.lock); 1152 skb = __skb_dequeue(&phy->scan_event_list); 1153 spin_unlock_bh(&phy->dev->mt76.lock); 1154 1155 if (!skb) 1156 break; 1157 1158 rxd = (struct mt7921_mcu_rxd *)skb->data; 1159 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1160 ieee80211_sched_scan_results(phy->mt76->hw); 1161 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1162 &phy->mt76->state)) { 1163 struct cfg80211_scan_info info = { 1164 .aborted = false, 1165 }; 1166 1167 ieee80211_scan_completed(phy->mt76->hw, &info); 1168 } 1169 dev_kfree_skb(skb); 1170 } 1171 } 1172 1173 static int 1174 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1175 struct ieee80211_scan_request *req) 1176 { 1177 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1178 struct mt76_phy *mphy = hw->priv; 1179 int err; 1180 1181 mt7921_mutex_acquire(dev); 1182 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1183 mt7921_mutex_release(dev); 1184 1185 return err; 1186 } 1187 1188 static void 1189 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1190 { 1191 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1192 struct mt76_phy *mphy = hw->priv; 1193 1194 mt7921_mutex_acquire(dev); 1195 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1196 mt7921_mutex_release(dev); 1197 } 1198 1199 static int 1200 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1201 struct cfg80211_sched_scan_request *req, 1202 struct ieee80211_scan_ies *ies) 1203 { 1204 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1205 struct mt76_phy *mphy = hw->priv; 1206 int err; 1207 1208 mt7921_mutex_acquire(dev); 1209 1210 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1211 if (err < 0) 1212 goto out; 1213 1214 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1215 out: 1216 mt7921_mutex_release(dev); 1217 1218 return err; 1219 } 1220 1221 static int 1222 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1223 { 1224 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1225 struct mt76_phy *mphy = hw->priv; 1226 int err; 1227 1228 mt7921_mutex_acquire(dev); 1229 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1230 mt7921_mutex_release(dev); 1231 1232 return err; 1233 } 1234 1235 static int 1236 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1237 { 1238 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1239 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1240 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1241 1242 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1243 return -EINVAL; 1244 1245 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1246 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1247 1248 mt7921_mutex_acquire(dev); 1249 1250 phy->mt76->antenna_mask = tx_ant; 1251 phy->mt76->chainmask = tx_ant; 1252 1253 mt76_set_stream_caps(phy->mt76, true); 1254 mt7921_set_stream_he_caps(phy); 1255 1256 mt7921_mutex_release(dev); 1257 1258 return 0; 1259 } 1260 1261 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1262 struct ieee80211_vif *vif, 1263 struct ieee80211_sta *sta, 1264 struct station_info *sinfo) 1265 { 1266 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1267 struct rate_info *txrate = &msta->wcid.rate; 1268 1269 if (!txrate->legacy && !txrate->flags) 1270 return; 1271 1272 if (txrate->legacy) { 1273 sinfo->txrate.legacy = txrate->legacy; 1274 } else { 1275 sinfo->txrate.mcs = txrate->mcs; 1276 sinfo->txrate.nss = txrate->nss; 1277 sinfo->txrate.bw = txrate->bw; 1278 sinfo->txrate.he_gi = txrate->he_gi; 1279 sinfo->txrate.he_dcm = txrate->he_dcm; 1280 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1281 } 1282 sinfo->txrate.flags = txrate->flags; 1283 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1284 } 1285 1286 #ifdef CONFIG_PM 1287 static int mt7921_suspend(struct ieee80211_hw *hw, 1288 struct cfg80211_wowlan *wowlan) 1289 { 1290 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1291 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1292 1293 cancel_delayed_work_sync(&phy->scan_work); 1294 cancel_delayed_work_sync(&phy->mt76->mac_work); 1295 1296 cancel_delayed_work_sync(&dev->pm.ps_work); 1297 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1298 1299 mt7921_mutex_acquire(dev); 1300 1301 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1302 ieee80211_iterate_active_interfaces(hw, 1303 IEEE80211_IFACE_ITER_RESUME_ALL, 1304 mt76_connac_mcu_set_suspend_iter, 1305 &dev->mphy); 1306 1307 mt7921_mutex_release(dev); 1308 1309 return 0; 1310 } 1311 1312 static int mt7921_resume(struct ieee80211_hw *hw) 1313 { 1314 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1315 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1316 1317 mt7921_mutex_acquire(dev); 1318 1319 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1320 ieee80211_iterate_active_interfaces(hw, 1321 IEEE80211_IFACE_ITER_RESUME_ALL, 1322 mt76_connac_mcu_set_suspend_iter, 1323 &dev->mphy); 1324 1325 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1326 MT7921_WATCHDOG_TIME); 1327 1328 mt7921_mutex_release(dev); 1329 1330 return 0; 1331 } 1332 1333 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1334 { 1335 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1336 struct mt76_dev *mdev = &dev->mt76; 1337 1338 device_set_wakeup_enable(mdev->dev, enabled); 1339 } 1340 1341 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1342 struct ieee80211_vif *vif, 1343 struct cfg80211_gtk_rekey_data *data) 1344 { 1345 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1346 1347 mt7921_mutex_acquire(dev); 1348 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1349 mt7921_mutex_release(dev); 1350 } 1351 #endif /* CONFIG_PM */ 1352 1353 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1354 u32 queues, bool drop) 1355 { 1356 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1357 1358 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1359 HZ / 2); 1360 } 1361 1362 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1363 struct ieee80211_vif *vif, 1364 struct ieee80211_sta *sta, 1365 bool enabled) 1366 { 1367 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1368 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1369 1370 if (enabled) 1371 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1372 else 1373 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1374 1375 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1376 MCU_UNI_CMD(STA_REC_UPDATE)); 1377 } 1378 1379 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1380 const struct cfg80211_sar_specs *sar) 1381 { 1382 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1383 struct mt76_phy *mphy = hw->priv; 1384 int err; 1385 1386 mt7921_mutex_acquire(dev); 1387 err = mt76_init_sar_power(hw, sar); 1388 if (err) 1389 goto out; 1390 1391 err = mt76_connac_mcu_set_rate_txpower(mphy); 1392 out: 1393 mt7921_mutex_release(dev); 1394 1395 return err; 1396 } 1397 1398 const struct ieee80211_ops mt7921_ops = { 1399 .tx = mt7921_tx, 1400 .start = mt7921_start, 1401 .stop = mt7921_stop, 1402 .add_interface = mt7921_add_interface, 1403 .remove_interface = mt7921_remove_interface, 1404 .config = mt7921_config, 1405 .conf_tx = mt7921_conf_tx, 1406 .configure_filter = mt7921_configure_filter, 1407 .bss_info_changed = mt7921_bss_info_changed, 1408 .sta_state = mt7921_sta_state, 1409 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1410 .set_key = mt7921_set_key, 1411 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1412 .ampdu_action = mt7921_ampdu_action, 1413 .set_rts_threshold = mt7921_set_rts_threshold, 1414 .wake_tx_queue = mt76_wake_tx_queue, 1415 .release_buffered_frames = mt76_release_buffered_frames, 1416 .get_txpower = mt76_get_txpower, 1417 .get_stats = mt7921_get_stats, 1418 .get_et_sset_count = mt7921_get_et_sset_count, 1419 .get_et_strings = mt7921_get_et_strings, 1420 .get_et_stats = mt7921_get_et_stats, 1421 .get_tsf = mt7921_get_tsf, 1422 .set_tsf = mt7921_set_tsf, 1423 .get_survey = mt76_get_survey, 1424 .get_antenna = mt76_get_antenna, 1425 .set_antenna = mt7921_set_antenna, 1426 .set_coverage_class = mt7921_set_coverage_class, 1427 .hw_scan = mt7921_hw_scan, 1428 .cancel_hw_scan = mt7921_cancel_hw_scan, 1429 .sta_statistics = mt7921_sta_statistics, 1430 .sched_scan_start = mt7921_start_sched_scan, 1431 .sched_scan_stop = mt7921_stop_sched_scan, 1432 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1433 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1434 #ifdef CONFIG_PM 1435 .suspend = mt7921_suspend, 1436 .resume = mt7921_resume, 1437 .set_wakeup = mt7921_set_wakeup, 1438 .set_rekey_data = mt7921_set_rekey_data, 1439 #endif /* CONFIG_PM */ 1440 .flush = mt7921_flush, 1441 .set_sar_specs = mt7921_set_sar_specs, 1442 }; 1443 EXPORT_SYMBOL_GPL(mt7921_ops); 1444 1445 MODULE_LICENSE("Dual BSD/GPL"); 1446 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1447