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 <net/ipv6.h> 9 #include "mt7921.h" 10 #include "mcu.h" 11 12 static void 13 mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) 14 { 15 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ 16 static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 17 18 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | 19 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, 20 ru_bit_mask); 21 22 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * 23 nss * hweight8(ru_bit_mask) * 2; 24 ppet_size = DIV_ROUND_UP(ppet_bits, 8); 25 26 for (i = 0; i < ppet_size - 1; i++) 27 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; 28 29 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & 30 (0xff >> (8 - (ppet_bits - 1) % 8)); 31 } 32 33 static int 34 mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, 35 struct ieee80211_sband_iftype_data *data) 36 { 37 int i, idx = 0; 38 int nss = hweight8(phy->mt76->chainmask); 39 u16 mcs_map = 0; 40 41 for (i = 0; i < 8; i++) { 42 if (i < nss) 43 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 44 else 45 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 46 } 47 48 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 49 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 50 struct ieee80211_he_cap_elem *he_cap_elem = 51 &he_cap->he_cap_elem; 52 struct ieee80211_he_mcs_nss_supp *he_mcs = 53 &he_cap->he_mcs_nss_supp; 54 55 switch (i) { 56 case NL80211_IFTYPE_STATION: 57 case NL80211_IFTYPE_AP: 58 break; 59 default: 60 continue; 61 } 62 63 data[idx].types_mask = BIT(i); 64 he_cap->has_he = true; 65 66 he_cap_elem->mac_cap_info[0] = 67 IEEE80211_HE_MAC_CAP0_HTC_HE; 68 he_cap_elem->mac_cap_info[3] = 69 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 70 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 71 he_cap_elem->mac_cap_info[4] = 72 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 73 74 if (band == NL80211_BAND_2GHZ) 75 he_cap_elem->phy_cap_info[0] = 76 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 77 else 78 he_cap_elem->phy_cap_info[0] = 79 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; 80 81 he_cap_elem->phy_cap_info[1] = 82 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 83 he_cap_elem->phy_cap_info[2] = 84 IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 85 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 86 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | 87 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 88 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 89 90 switch (i) { 91 case NL80211_IFTYPE_AP: 92 he_cap_elem->mac_cap_info[2] |= 93 IEEE80211_HE_MAC_CAP2_BSR; 94 he_cap_elem->mac_cap_info[4] |= 95 IEEE80211_HE_MAC_CAP4_BQR; 96 he_cap_elem->mac_cap_info[5] |= 97 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 98 he_cap_elem->phy_cap_info[3] |= 99 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 100 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 101 he_cap_elem->phy_cap_info[6] |= 102 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 103 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 104 he_cap_elem->phy_cap_info[9] |= 105 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 106 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 107 break; 108 case NL80211_IFTYPE_STATION: 109 he_cap_elem->mac_cap_info[1] |= 110 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 111 112 if (band == NL80211_BAND_2GHZ) 113 he_cap_elem->phy_cap_info[0] |= 114 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 115 else 116 he_cap_elem->phy_cap_info[0] |= 117 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 118 119 he_cap_elem->phy_cap_info[1] |= 120 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 121 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 122 he_cap_elem->phy_cap_info[3] |= 123 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 124 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 125 he_cap_elem->phy_cap_info[4] |= 126 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 127 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; 128 he_cap_elem->phy_cap_info[5] |= 129 IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | 130 IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; 131 he_cap_elem->phy_cap_info[6] |= 132 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 133 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | 134 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 135 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 136 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 137 he_cap_elem->phy_cap_info[7] |= 138 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 139 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 140 he_cap_elem->phy_cap_info[8] |= 141 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 142 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 143 he_cap_elem->phy_cap_info[9] |= 144 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 145 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 146 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 147 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 148 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 149 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 150 151 if (is_mt7922(phy->mt76->dev)) { 152 he_cap_elem->phy_cap_info[0] |= 153 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; 154 he_cap_elem->phy_cap_info[8] |= 155 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 156 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 157 } 158 break; 159 } 160 161 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 162 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 163 if (is_mt7922(phy->mt76->dev)) { 164 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 165 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 166 } 167 168 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 169 if (he_cap_elem->phy_cap_info[6] & 170 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 171 mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); 172 } else { 173 he_cap_elem->phy_cap_info[9] |= 174 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, 175 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 176 } 177 178 if (band == NL80211_BAND_6GHZ) { 179 struct ieee80211_supported_band *sband = 180 &phy->mt76->sband_5g.sband; 181 struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; 182 struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; 183 u32 exp; 184 u16 cap; 185 186 cap = u16_encode_bits(ht_cap->ampdu_density, 187 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); 188 exp = u32_get_bits(vht_cap->cap, 189 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); 190 cap |= u16_encode_bits(exp, 191 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); 192 exp = u32_get_bits(vht_cap->cap, 193 IEEE80211_VHT_CAP_MAX_MPDU_MASK); 194 cap |= u16_encode_bits(exp, 195 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); 196 if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) 197 cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; 198 if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) 199 cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; 200 201 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); 202 } 203 idx++; 204 } 205 206 return idx; 207 } 208 209 void mt7921_set_stream_he_caps(struct mt7921_phy *phy) 210 { 211 struct ieee80211_sband_iftype_data *data; 212 struct ieee80211_supported_band *band; 213 int n; 214 215 if (phy->mt76->cap.has_2ghz) { 216 data = phy->iftype[NL80211_BAND_2GHZ]; 217 n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); 218 219 band = &phy->mt76->sband_2g.sband; 220 band->iftype_data = data; 221 band->n_iftype_data = n; 222 } 223 224 if (phy->mt76->cap.has_5ghz) { 225 data = phy->iftype[NL80211_BAND_5GHZ]; 226 n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); 227 228 band = &phy->mt76->sband_5g.sband; 229 band->iftype_data = data; 230 band->n_iftype_data = n; 231 232 if (phy->mt76->cap.has_6ghz) { 233 data = phy->iftype[NL80211_BAND_6GHZ]; 234 n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); 235 236 band = &phy->mt76->sband_6g.sband; 237 band->iftype_data = data; 238 band->n_iftype_data = n; 239 } 240 } 241 } 242 243 int __mt7921_start(struct mt7921_phy *phy) 244 { 245 struct mt76_phy *mphy = phy->mt76; 246 int err; 247 248 err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); 249 if (err) 250 return err; 251 252 err = mt76_connac_mcu_set_channel_domain(mphy); 253 if (err) 254 return err; 255 256 err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 257 if (err) 258 return err; 259 260 err = mt76_connac_mcu_set_rate_txpower(phy->mt76); 261 if (err) 262 return err; 263 264 mt7921_mac_reset_counters(phy); 265 set_bit(MT76_STATE_RUNNING, &mphy->state); 266 267 ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, 268 MT7921_WATCHDOG_TIME); 269 270 return 0; 271 } 272 EXPORT_SYMBOL_GPL(__mt7921_start); 273 274 static int mt7921_start(struct ieee80211_hw *hw) 275 { 276 struct mt7921_phy *phy = mt7921_hw_phy(hw); 277 int err; 278 279 mt7921_mutex_acquire(phy->dev); 280 err = __mt7921_start(phy); 281 mt7921_mutex_release(phy->dev); 282 283 return err; 284 } 285 286 void mt7921_stop(struct ieee80211_hw *hw) 287 { 288 struct mt7921_dev *dev = mt7921_hw_dev(hw); 289 struct mt7921_phy *phy = mt7921_hw_phy(hw); 290 291 cancel_delayed_work_sync(&phy->mt76->mac_work); 292 293 cancel_delayed_work_sync(&dev->pm.ps_work); 294 cancel_work_sync(&dev->pm.wake_work); 295 cancel_work_sync(&dev->reset_work); 296 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 297 298 mt7921_mutex_acquire(dev); 299 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 300 mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); 301 mt7921_mutex_release(dev); 302 } 303 EXPORT_SYMBOL_GPL(mt7921_stop); 304 305 static int mt7921_add_interface(struct ieee80211_hw *hw, 306 struct ieee80211_vif *vif) 307 { 308 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 309 struct mt7921_dev *dev = mt7921_hw_dev(hw); 310 struct mt7921_phy *phy = mt7921_hw_phy(hw); 311 struct mt76_txq *mtxq; 312 int idx, ret = 0; 313 314 mt7921_mutex_acquire(dev); 315 316 mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); 317 if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { 318 ret = -ENOSPC; 319 goto out; 320 } 321 322 mvif->mt76.omac_idx = mvif->mt76.idx; 323 mvif->phy = phy; 324 mvif->mt76.band_idx = 0; 325 mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; 326 327 ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, 328 true); 329 if (ret) 330 goto out; 331 332 dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); 333 phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); 334 335 idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; 336 337 INIT_LIST_HEAD(&mvif->sta.poll_list); 338 mvif->sta.wcid.idx = idx; 339 mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; 340 mvif->sta.wcid.hw_key_idx = -1; 341 mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; 342 mt76_packet_id_init(&mvif->sta.wcid); 343 344 mt7921_mac_wtbl_update(dev, idx, 345 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 346 347 ewma_rssi_init(&mvif->rssi); 348 349 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 350 if (vif->txq) { 351 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 352 mtxq->wcid = idx; 353 } 354 355 out: 356 mt7921_mutex_release(dev); 357 358 return ret; 359 } 360 361 static void mt7921_remove_interface(struct ieee80211_hw *hw, 362 struct ieee80211_vif *vif) 363 { 364 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 365 struct mt7921_sta *msta = &mvif->sta; 366 struct mt7921_dev *dev = mt7921_hw_dev(hw); 367 struct mt7921_phy *phy = mt7921_hw_phy(hw); 368 int idx = msta->wcid.idx; 369 370 mt7921_mutex_acquire(dev); 371 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 372 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); 373 374 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 375 376 dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); 377 phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); 378 mt7921_mutex_release(dev); 379 380 spin_lock_bh(&dev->sta_poll_lock); 381 if (!list_empty(&msta->poll_list)) 382 list_del_init(&msta->poll_list); 383 spin_unlock_bh(&dev->sta_poll_lock); 384 385 mt76_packet_id_flush(&dev->mt76, &msta->wcid); 386 } 387 388 static int mt7921_set_channel(struct mt7921_phy *phy) 389 { 390 struct mt7921_dev *dev = phy->dev; 391 int ret; 392 393 cancel_delayed_work_sync(&phy->mt76->mac_work); 394 395 mt7921_mutex_acquire(dev); 396 set_bit(MT76_RESET, &phy->mt76->state); 397 398 mt76_set_channel(phy->mt76); 399 400 ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); 401 if (ret) 402 goto out; 403 404 mt7921_mac_set_timing(phy); 405 406 mt7921_mac_reset_counters(phy); 407 phy->noise = 0; 408 409 out: 410 clear_bit(MT76_RESET, &phy->mt76->state); 411 mt7921_mutex_release(dev); 412 413 mt76_worker_schedule(&dev->mt76.tx_worker); 414 ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, 415 MT7921_WATCHDOG_TIME); 416 417 return ret; 418 } 419 420 static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 421 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 422 struct ieee80211_key_conf *key) 423 { 424 struct mt7921_dev *dev = mt7921_hw_dev(hw); 425 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 426 struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : 427 &mvif->sta; 428 struct mt76_wcid *wcid = &msta->wcid; 429 u8 *wcid_keyidx = &wcid->hw_key_idx; 430 int idx = key->keyidx, err = 0; 431 432 /* The hardware does not support per-STA RX GTK, fallback 433 * to software mode for these. 434 */ 435 if ((vif->type == NL80211_IFTYPE_ADHOC || 436 vif->type == NL80211_IFTYPE_MESH_POINT) && 437 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 438 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 439 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 440 return -EOPNOTSUPP; 441 442 /* fall back to sw encryption for unsupported ciphers */ 443 switch (key->cipher) { 444 case WLAN_CIPHER_SUITE_AES_CMAC: 445 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; 446 wcid_keyidx = &wcid->hw_key_idx2; 447 break; 448 case WLAN_CIPHER_SUITE_WEP40: 449 case WLAN_CIPHER_SUITE_WEP104: 450 if (!mvif->wep_sta) 451 return -EOPNOTSUPP; 452 break; 453 case WLAN_CIPHER_SUITE_TKIP: 454 case WLAN_CIPHER_SUITE_CCMP: 455 case WLAN_CIPHER_SUITE_CCMP_256: 456 case WLAN_CIPHER_SUITE_GCMP: 457 case WLAN_CIPHER_SUITE_GCMP_256: 458 case WLAN_CIPHER_SUITE_SMS4: 459 break; 460 default: 461 return -EOPNOTSUPP; 462 } 463 464 mt7921_mutex_acquire(dev); 465 466 if (cmd == SET_KEY) 467 *wcid_keyidx = idx; 468 else if (idx == *wcid_keyidx) 469 *wcid_keyidx = -1; 470 else 471 goto out; 472 473 mt76_wcid_key_setup(&dev->mt76, wcid, 474 cmd == SET_KEY ? key : NULL); 475 476 err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->bip, 477 key, MCU_UNI_CMD(STA_REC_UPDATE), 478 &msta->wcid, cmd); 479 if (err) 480 goto out; 481 482 if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || 483 key->cipher == WLAN_CIPHER_SUITE_WEP40) 484 err = mt76_connac_mcu_add_key(&dev->mt76, vif, 485 &mvif->wep_sta->bip, 486 key, MCU_UNI_CMD(STA_REC_UPDATE), 487 &mvif->wep_sta->wcid, cmd); 488 out: 489 mt7921_mutex_release(dev); 490 491 return err; 492 } 493 494 static void 495 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 496 { 497 struct mt7921_dev *dev = priv; 498 499 mt7921_mcu_set_beacon_filter(dev, vif, dev->pm.enable); 500 } 501 502 static void 503 mt7921_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 504 { 505 struct mt7921_dev *dev = priv; 506 struct ieee80211_hw *hw = mt76_hw(dev); 507 struct mt76_connac_pm *pm = &dev->pm; 508 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 509 510 mt7921_mcu_set_sniffer(dev, vif, monitor); 511 pm->enable = pm->enable_user && !monitor; 512 pm->ds_enable = pm->ds_enable_user && !monitor; 513 514 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 515 516 if (monitor) 517 mt7921_mcu_set_beacon_filter(dev, vif, false); 518 } 519 520 void mt7921_set_runtime_pm(struct mt7921_dev *dev) 521 { 522 struct ieee80211_hw *hw = mt76_hw(dev); 523 struct mt76_connac_pm *pm = &dev->pm; 524 bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); 525 526 pm->enable = pm->enable_user && !monitor; 527 ieee80211_iterate_active_interfaces(hw, 528 IEEE80211_IFACE_ITER_RESUME_ALL, 529 mt7921_pm_interface_iter, dev); 530 pm->ds_enable = pm->ds_enable_user && !monitor; 531 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 532 } 533 534 static int mt7921_config(struct ieee80211_hw *hw, u32 changed) 535 { 536 struct mt7921_dev *dev = mt7921_hw_dev(hw); 537 struct mt7921_phy *phy = mt7921_hw_phy(hw); 538 int ret = 0; 539 540 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 541 ieee80211_stop_queues(hw); 542 ret = mt7921_set_channel(phy); 543 if (ret) 544 return ret; 545 ieee80211_wake_queues(hw); 546 } 547 548 mt7921_mutex_acquire(dev); 549 550 if (changed & IEEE80211_CONF_CHANGE_POWER) { 551 ret = mt76_connac_mcu_set_rate_txpower(phy->mt76); 552 if (ret) 553 goto out; 554 } 555 556 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 557 ieee80211_iterate_active_interfaces(hw, 558 IEEE80211_IFACE_ITER_RESUME_ALL, 559 mt7921_sniffer_interface_iter, dev); 560 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); 561 } 562 563 out: 564 mt7921_mutex_release(dev); 565 566 return ret; 567 } 568 569 static int 570 mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 571 const struct ieee80211_tx_queue_params *params) 572 { 573 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 574 575 /* no need to update right away, we'll get BSS_CHANGED_QOS */ 576 queue = mt76_connac_lmac_mapping(queue); 577 mvif->queue_params[queue] = *params; 578 579 return 0; 580 } 581 582 static void mt7921_configure_filter(struct ieee80211_hw *hw, 583 unsigned int changed_flags, 584 unsigned int *total_flags, 585 u64 multicast) 586 { 587 struct mt7921_dev *dev = mt7921_hw_dev(hw); 588 u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | 589 MT_WF_RFCR1_DROP_BF_POLL | 590 MT_WF_RFCR1_DROP_BA | 591 MT_WF_RFCR1_DROP_CFEND | 592 MT_WF_RFCR1_DROP_CFACK; 593 u32 flags = 0; 594 595 #define MT76_FILTER(_flag, _hw) do { \ 596 flags |= *total_flags & FIF_##_flag; \ 597 dev->mt76.rxfilter &= ~(_hw); \ 598 dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 599 } while (0) 600 601 mt7921_mutex_acquire(dev); 602 603 dev->mt76.rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 604 MT_WF_RFCR_DROP_OTHER_BEACON | 605 MT_WF_RFCR_DROP_FRAME_REPORT | 606 MT_WF_RFCR_DROP_PROBEREQ | 607 MT_WF_RFCR_DROP_MCAST_FILTERED | 608 MT_WF_RFCR_DROP_MCAST | 609 MT_WF_RFCR_DROP_BCAST | 610 MT_WF_RFCR_DROP_DUPLICATE | 611 MT_WF_RFCR_DROP_A2_BSSID | 612 MT_WF_RFCR_DROP_UNWANTED_CTL | 613 MT_WF_RFCR_DROP_STBC_MULTI); 614 615 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 616 MT_WF_RFCR_DROP_A3_MAC | 617 MT_WF_RFCR_DROP_A3_BSSID); 618 619 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 620 621 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 622 MT_WF_RFCR_DROP_RTS | 623 MT_WF_RFCR_DROP_CTL_RSV | 624 MT_WF_RFCR_DROP_NDPA); 625 626 *total_flags = flags; 627 mt76_wr(dev, MT_WF_RFCR(0), dev->mt76.rxfilter); 628 629 if (*total_flags & FIF_CONTROL) 630 mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); 631 else 632 mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); 633 634 mt7921_mutex_release(dev); 635 } 636 637 static void mt7921_bss_info_changed(struct ieee80211_hw *hw, 638 struct ieee80211_vif *vif, 639 struct ieee80211_bss_conf *info, 640 u32 changed) 641 { 642 struct mt7921_phy *phy = mt7921_hw_phy(hw); 643 struct mt7921_dev *dev = mt7921_hw_dev(hw); 644 645 mt7921_mutex_acquire(dev); 646 647 if (changed & BSS_CHANGED_ERP_SLOT) { 648 int slottime = info->use_short_slot ? 9 : 20; 649 650 if (slottime != phy->slottime) { 651 phy->slottime = slottime; 652 mt7921_mac_set_timing(phy); 653 } 654 } 655 656 if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) { 657 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 658 659 mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, 660 true); 661 mt7921_mcu_sta_update(dev, NULL, vif, true, 662 MT76_STA_INFO_STATE_NONE); 663 } 664 665 if (changed & (BSS_CHANGED_BEACON | 666 BSS_CHANGED_BEACON_ENABLED)) 667 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, 668 info->enable_beacon); 669 670 /* ensure that enable txcmd_mode after bss_info */ 671 if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) 672 mt7921_mcu_set_tx(dev, vif); 673 674 if (changed & BSS_CHANGED_PS) 675 mt7921_mcu_uni_bss_ps(dev, vif); 676 677 if (changed & BSS_CHANGED_ASSOC) { 678 mt7921_mcu_sta_update(dev, NULL, vif, true, 679 MT76_STA_INFO_STATE_ASSOC); 680 if (dev->pm.enable) 681 mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); 682 } 683 684 if (changed & BSS_CHANGED_ARP_FILTER) { 685 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 686 687 mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, 688 info); 689 } 690 691 mt7921_mutex_release(dev); 692 } 693 694 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 695 struct ieee80211_sta *sta) 696 { 697 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 698 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 699 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 700 int ret, idx; 701 702 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); 703 if (idx < 0) 704 return -ENOSPC; 705 706 INIT_LIST_HEAD(&msta->poll_list); 707 msta->vif = mvif; 708 msta->wcid.sta = 1; 709 msta->wcid.idx = idx; 710 msta->wcid.ext_phy = mvif->mt76.band_idx; 711 msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; 712 msta->last_txs = jiffies; 713 714 ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); 715 if (ret) 716 return ret; 717 718 if (vif->type == NL80211_IFTYPE_STATION) 719 mvif->wep_sta = msta; 720 721 mt7921_mac_wtbl_update(dev, idx, 722 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 723 724 ret = mt7921_mcu_sta_update(dev, sta, vif, true, 725 MT76_STA_INFO_STATE_NONE); 726 if (ret) 727 return ret; 728 729 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 730 731 return 0; 732 } 733 EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); 734 735 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 736 struct ieee80211_sta *sta) 737 { 738 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 739 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 740 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 741 742 mt7921_mutex_acquire(dev); 743 744 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 745 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, 746 true); 747 748 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 749 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 750 751 mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); 752 753 mt7921_mutex_release(dev); 754 } 755 EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); 756 757 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 758 struct ieee80211_sta *sta) 759 { 760 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 761 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 762 763 mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); 764 mt76_connac_pm_wake(&dev->mphy, &dev->pm); 765 766 mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); 767 mt7921_mac_wtbl_update(dev, msta->wcid.idx, 768 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 769 770 if (vif->type == NL80211_IFTYPE_STATION) { 771 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 772 773 mvif->wep_sta = NULL; 774 ewma_rssi_init(&mvif->rssi); 775 if (!sta->tdls) 776 mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, 777 &mvif->sta.wcid, false); 778 } 779 780 spin_lock_bh(&dev->sta_poll_lock); 781 if (!list_empty(&msta->poll_list)) 782 list_del_init(&msta->poll_list); 783 spin_unlock_bh(&dev->sta_poll_lock); 784 785 mt76_connac_power_save_sched(&dev->mphy, &dev->pm); 786 } 787 EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); 788 789 void mt7921_tx_worker(struct mt76_worker *w) 790 { 791 struct mt7921_dev *dev = container_of(w, struct mt7921_dev, 792 mt76.tx_worker); 793 794 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { 795 queue_work(dev->mt76.wq, &dev->pm.wake_work); 796 return; 797 } 798 799 mt76_txq_schedule_all(&dev->mphy); 800 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 801 } 802 803 static void mt7921_tx(struct ieee80211_hw *hw, 804 struct ieee80211_tx_control *control, 805 struct sk_buff *skb) 806 { 807 struct mt7921_dev *dev = mt7921_hw_dev(hw); 808 struct mt76_phy *mphy = hw->priv; 809 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 810 struct ieee80211_vif *vif = info->control.vif; 811 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 812 int qid; 813 814 if (control->sta) { 815 struct mt7921_sta *sta; 816 817 sta = (struct mt7921_sta *)control->sta->drv_priv; 818 wcid = &sta->wcid; 819 } 820 821 if (vif && !control->sta) { 822 struct mt7921_vif *mvif; 823 824 mvif = (struct mt7921_vif *)vif->drv_priv; 825 wcid = &mvif->sta.wcid; 826 } 827 828 if (mt76_connac_pm_ref(mphy, &dev->pm)) { 829 mt76_tx(mphy, control->sta, wcid, skb); 830 mt76_connac_pm_unref(mphy, &dev->pm); 831 return; 832 } 833 834 qid = skb_get_queue_mapping(skb); 835 if (qid >= MT_TXQ_PSD) { 836 qid = IEEE80211_AC_BE; 837 skb_set_queue_mapping(skb, qid); 838 } 839 840 mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); 841 } 842 843 static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) 844 { 845 struct mt7921_dev *dev = mt7921_hw_dev(hw); 846 847 mt7921_mutex_acquire(dev); 848 mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); 849 mt7921_mutex_release(dev); 850 851 return 0; 852 } 853 854 static int 855 mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 856 struct ieee80211_ampdu_params *params) 857 { 858 enum ieee80211_ampdu_mlme_action action = params->action; 859 struct mt7921_dev *dev = mt7921_hw_dev(hw); 860 struct ieee80211_sta *sta = params->sta; 861 struct ieee80211_txq *txq = sta->txq[params->tid]; 862 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 863 u16 tid = params->tid; 864 u16 ssn = params->ssn; 865 struct mt76_txq *mtxq; 866 int ret = 0; 867 868 if (!txq) 869 return -EINVAL; 870 871 mtxq = (struct mt76_txq *)txq->drv_priv; 872 873 mt7921_mutex_acquire(dev); 874 switch (action) { 875 case IEEE80211_AMPDU_RX_START: 876 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 877 params->buf_size); 878 mt7921_mcu_uni_rx_ba(dev, params, true); 879 break; 880 case IEEE80211_AMPDU_RX_STOP: 881 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 882 mt7921_mcu_uni_rx_ba(dev, params, false); 883 break; 884 case IEEE80211_AMPDU_TX_OPERATIONAL: 885 mtxq->aggr = true; 886 mtxq->send_bar = false; 887 mt7921_mcu_uni_tx_ba(dev, params, true); 888 break; 889 case IEEE80211_AMPDU_TX_STOP_FLUSH: 890 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 891 mtxq->aggr = false; 892 clear_bit(tid, &msta->ampdu_state); 893 mt7921_mcu_uni_tx_ba(dev, params, false); 894 break; 895 case IEEE80211_AMPDU_TX_START: 896 set_bit(tid, &msta->ampdu_state); 897 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 898 break; 899 case IEEE80211_AMPDU_TX_STOP_CONT: 900 mtxq->aggr = false; 901 clear_bit(tid, &msta->ampdu_state); 902 mt7921_mcu_uni_tx_ba(dev, params, false); 903 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 904 break; 905 } 906 mt7921_mutex_release(dev); 907 908 return ret; 909 } 910 911 static int mt7921_sta_state(struct ieee80211_hw *hw, 912 struct ieee80211_vif *vif, 913 struct ieee80211_sta *sta, 914 enum ieee80211_sta_state old_state, 915 enum ieee80211_sta_state new_state) 916 { 917 struct mt7921_dev *dev = mt7921_hw_dev(hw); 918 919 if (dev->pm.ds_enable) { 920 mt7921_mutex_acquire(dev); 921 mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); 922 mt7921_mutex_release(dev); 923 } 924 925 return mt76_sta_state(hw, vif, sta, old_state, new_state); 926 } 927 928 static int 929 mt7921_get_stats(struct ieee80211_hw *hw, 930 struct ieee80211_low_level_stats *stats) 931 { 932 struct mt7921_phy *phy = mt7921_hw_phy(hw); 933 struct mib_stats *mib = &phy->mib; 934 935 mt7921_mutex_acquire(phy->dev); 936 937 stats->dot11RTSSuccessCount = mib->rts_cnt; 938 stats->dot11RTSFailureCount = mib->rts_retries_cnt; 939 stats->dot11FCSErrorCount = mib->fcs_err_cnt; 940 stats->dot11ACKFailureCount = mib->ack_fail_cnt; 941 942 mt7921_mutex_release(phy->dev); 943 944 return 0; 945 } 946 947 static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 948 /* tx counters */ 949 "tx_ampdu_cnt", 950 "tx_mpdu_attempts", 951 "tx_mpdu_success", 952 "tx_pkt_ebf_cnt", 953 "tx_pkt_ibf_cnt", 954 "tx_ampdu_len:0-1", 955 "tx_ampdu_len:2-10", 956 "tx_ampdu_len:11-19", 957 "tx_ampdu_len:20-28", 958 "tx_ampdu_len:29-37", 959 "tx_ampdu_len:38-46", 960 "tx_ampdu_len:47-55", 961 "tx_ampdu_len:56-79", 962 "tx_ampdu_len:80-103", 963 "tx_ampdu_len:104-127", 964 "tx_ampdu_len:128-151", 965 "tx_ampdu_len:152-175", 966 "tx_ampdu_len:176-199", 967 "tx_ampdu_len:200-223", 968 "tx_ampdu_len:224-247", 969 "ba_miss_count", 970 "tx_beamformer_ppdu_iBF", 971 "tx_beamformer_ppdu_eBF", 972 "tx_beamformer_rx_feedback_all", 973 "tx_beamformer_rx_feedback_he", 974 "tx_beamformer_rx_feedback_vht", 975 "tx_beamformer_rx_feedback_ht", 976 "tx_msdu_pack_1", 977 "tx_msdu_pack_2", 978 "tx_msdu_pack_3", 979 "tx_msdu_pack_4", 980 "tx_msdu_pack_5", 981 "tx_msdu_pack_6", 982 "tx_msdu_pack_7", 983 "tx_msdu_pack_8", 984 /* rx counters */ 985 "rx_mpdu_cnt", 986 "rx_ampdu_cnt", 987 "rx_ampdu_bytes_cnt", 988 "rx_ba_cnt", 989 /* per vif counters */ 990 "v_tx_mode_cck", 991 "v_tx_mode_ofdm", 992 "v_tx_mode_ht", 993 "v_tx_mode_ht_gf", 994 "v_tx_mode_vht", 995 "v_tx_mode_he_su", 996 "v_tx_mode_he_ext_su", 997 "v_tx_mode_he_tb", 998 "v_tx_mode_he_mu", 999 "v_tx_bw_20", 1000 "v_tx_bw_40", 1001 "v_tx_bw_80", 1002 "v_tx_bw_160", 1003 "v_tx_mcs_0", 1004 "v_tx_mcs_1", 1005 "v_tx_mcs_2", 1006 "v_tx_mcs_3", 1007 "v_tx_mcs_4", 1008 "v_tx_mcs_5", 1009 "v_tx_mcs_6", 1010 "v_tx_mcs_7", 1011 "v_tx_mcs_8", 1012 "v_tx_mcs_9", 1013 "v_tx_mcs_10", 1014 "v_tx_mcs_11", 1015 }; 1016 1017 static void 1018 mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1019 u32 sset, u8 *data) 1020 { 1021 if (sset != ETH_SS_STATS) 1022 return; 1023 1024 memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); 1025 } 1026 1027 static int 1028 mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1029 int sset) 1030 { 1031 return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; 1032 } 1033 1034 static void 1035 mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) 1036 { 1037 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1038 struct mt76_ethtool_worker_info *wi = wi_data; 1039 1040 if (msta->vif->mt76.idx != wi->idx) 1041 return; 1042 1043 mt76_ethtool_worker(wi, &msta->stats); 1044 } 1045 1046 static 1047 void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1048 struct ethtool_stats *stats, u64 *data) 1049 { 1050 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1051 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1052 struct mt7921_dev *dev = phy->dev; 1053 struct mib_stats *mib = &phy->mib; 1054 struct mt76_ethtool_worker_info wi = { 1055 .data = data, 1056 .idx = mvif->mt76.idx, 1057 }; 1058 int i, ei = 0; 1059 1060 mt7921_mutex_acquire(dev); 1061 1062 mt7921_mac_update_mib_stats(phy); 1063 1064 data[ei++] = mib->tx_ampdu_cnt; 1065 data[ei++] = mib->tx_mpdu_attempts_cnt; 1066 data[ei++] = mib->tx_mpdu_success_cnt; 1067 data[ei++] = mib->tx_pkt_ebf_cnt; 1068 data[ei++] = mib->tx_pkt_ibf_cnt; 1069 1070 /* Tx ampdu stat */ 1071 for (i = 0; i < 15; i++) 1072 data[ei++] = dev->mt76.aggr_stats[i]; 1073 1074 data[ei++] = phy->mib.ba_miss_cnt; 1075 1076 /* Tx Beamformer monitor */ 1077 data[ei++] = mib->tx_bf_ibf_ppdu_cnt; 1078 data[ei++] = mib->tx_bf_ebf_ppdu_cnt; 1079 1080 /* Tx Beamformer Rx feedback monitor */ 1081 data[ei++] = mib->tx_bf_rx_fb_all_cnt; 1082 data[ei++] = mib->tx_bf_rx_fb_he_cnt; 1083 data[ei++] = mib->tx_bf_rx_fb_vht_cnt; 1084 data[ei++] = mib->tx_bf_rx_fb_ht_cnt; 1085 1086 /* Tx amsdu info (pack-count histogram) */ 1087 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) 1088 data[ei++] = mib->tx_amsdu[i]; 1089 1090 /* rx counters */ 1091 data[ei++] = mib->rx_mpdu_cnt; 1092 data[ei++] = mib->rx_ampdu_cnt; 1093 data[ei++] = mib->rx_ampdu_bytes_cnt; 1094 data[ei++] = mib->rx_ba_cnt; 1095 1096 /* Add values for all stations owned by this vif */ 1097 wi.initial_stat_idx = ei; 1098 ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); 1099 1100 mt7921_mutex_release(dev); 1101 1102 if (!wi.sta_count) 1103 return; 1104 1105 ei += wi.worker_stat_count; 1106 if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) 1107 dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", 1108 ei, ARRAY_SIZE(mt7921_gstrings_stats)); 1109 } 1110 1111 static u64 1112 mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1113 { 1114 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1115 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1116 u8 omac_idx = mvif->mt76.omac_idx; 1117 union { 1118 u64 t64; 1119 u32 t32[2]; 1120 } tsf; 1121 u16 n; 1122 1123 mt7921_mutex_acquire(dev); 1124 1125 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1126 /* TSF software read */ 1127 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); 1128 tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); 1129 tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); 1130 1131 mt7921_mutex_release(dev); 1132 1133 return tsf.t64; 1134 } 1135 1136 static void 1137 mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1138 u64 timestamp) 1139 { 1140 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1141 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1142 u8 omac_idx = mvif->mt76.omac_idx; 1143 union { 1144 u64 t64; 1145 u32 t32[2]; 1146 } tsf = { .t64 = timestamp, }; 1147 u16 n; 1148 1149 mt7921_mutex_acquire(dev); 1150 1151 n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; 1152 mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); 1153 mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); 1154 /* TSF software overwrite */ 1155 mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); 1156 1157 mt7921_mutex_release(dev); 1158 } 1159 1160 static void 1161 mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 1162 { 1163 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1164 struct mt7921_dev *dev = phy->dev; 1165 1166 mt7921_mutex_acquire(dev); 1167 phy->coverage_class = max_t(s16, coverage_class, 0); 1168 mt7921_mac_set_timing(phy); 1169 mt7921_mutex_release(dev); 1170 } 1171 1172 void mt7921_scan_work(struct work_struct *work) 1173 { 1174 struct mt7921_phy *phy; 1175 1176 phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, 1177 scan_work.work); 1178 1179 while (true) { 1180 struct mt7921_mcu_rxd *rxd; 1181 struct sk_buff *skb; 1182 1183 spin_lock_bh(&phy->dev->mt76.lock); 1184 skb = __skb_dequeue(&phy->scan_event_list); 1185 spin_unlock_bh(&phy->dev->mt76.lock); 1186 1187 if (!skb) 1188 break; 1189 1190 rxd = (struct mt7921_mcu_rxd *)skb->data; 1191 if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { 1192 ieee80211_sched_scan_results(phy->mt76->hw); 1193 } else if (test_and_clear_bit(MT76_HW_SCANNING, 1194 &phy->mt76->state)) { 1195 struct cfg80211_scan_info info = { 1196 .aborted = false, 1197 }; 1198 1199 ieee80211_scan_completed(phy->mt76->hw, &info); 1200 } 1201 dev_kfree_skb(skb); 1202 } 1203 } 1204 1205 static int 1206 mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1207 struct ieee80211_scan_request *req) 1208 { 1209 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1210 struct mt76_phy *mphy = hw->priv; 1211 int err; 1212 1213 mt7921_mutex_acquire(dev); 1214 err = mt76_connac_mcu_hw_scan(mphy, vif, req); 1215 mt7921_mutex_release(dev); 1216 1217 return err; 1218 } 1219 1220 static void 1221 mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1222 { 1223 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1224 struct mt76_phy *mphy = hw->priv; 1225 1226 mt7921_mutex_acquire(dev); 1227 mt76_connac_mcu_cancel_hw_scan(mphy, vif); 1228 mt7921_mutex_release(dev); 1229 } 1230 1231 static int 1232 mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1233 struct cfg80211_sched_scan_request *req, 1234 struct ieee80211_scan_ies *ies) 1235 { 1236 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1237 struct mt76_phy *mphy = hw->priv; 1238 int err; 1239 1240 mt7921_mutex_acquire(dev); 1241 1242 err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); 1243 if (err < 0) 1244 goto out; 1245 1246 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); 1247 out: 1248 mt7921_mutex_release(dev); 1249 1250 return err; 1251 } 1252 1253 static int 1254 mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 1255 { 1256 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1257 struct mt76_phy *mphy = hw->priv; 1258 int err; 1259 1260 mt7921_mutex_acquire(dev); 1261 err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); 1262 mt7921_mutex_release(dev); 1263 1264 return err; 1265 } 1266 1267 static int 1268 mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 1269 { 1270 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1271 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1272 int max_nss = hweight8(hw->wiphy->available_antennas_tx); 1273 1274 if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) 1275 return -EINVAL; 1276 1277 if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) 1278 tx_ant = BIT(ffs(tx_ant) - 1) - 1; 1279 1280 mt7921_mutex_acquire(dev); 1281 1282 phy->mt76->antenna_mask = tx_ant; 1283 phy->mt76->chainmask = tx_ant; 1284 1285 mt76_set_stream_caps(phy->mt76, true); 1286 mt7921_set_stream_he_caps(phy); 1287 1288 mt7921_mutex_release(dev); 1289 1290 return 0; 1291 } 1292 1293 static void mt7921_sta_statistics(struct ieee80211_hw *hw, 1294 struct ieee80211_vif *vif, 1295 struct ieee80211_sta *sta, 1296 struct station_info *sinfo) 1297 { 1298 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1299 struct rate_info *txrate = &msta->wcid.rate; 1300 1301 if (!txrate->legacy && !txrate->flags) 1302 return; 1303 1304 if (txrate->legacy) { 1305 sinfo->txrate.legacy = txrate->legacy; 1306 } else { 1307 sinfo->txrate.mcs = txrate->mcs; 1308 sinfo->txrate.nss = txrate->nss; 1309 sinfo->txrate.bw = txrate->bw; 1310 sinfo->txrate.he_gi = txrate->he_gi; 1311 sinfo->txrate.he_dcm = txrate->he_dcm; 1312 sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; 1313 } 1314 sinfo->txrate.flags = txrate->flags; 1315 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 1316 } 1317 1318 #ifdef CONFIG_PM 1319 static int mt7921_suspend(struct ieee80211_hw *hw, 1320 struct cfg80211_wowlan *wowlan) 1321 { 1322 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1323 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1324 1325 cancel_delayed_work_sync(&phy->scan_work); 1326 cancel_delayed_work_sync(&phy->mt76->mac_work); 1327 1328 cancel_delayed_work_sync(&dev->pm.ps_work); 1329 mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 1330 1331 mt7921_mutex_acquire(dev); 1332 1333 clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1334 ieee80211_iterate_active_interfaces(hw, 1335 IEEE80211_IFACE_ITER_RESUME_ALL, 1336 mt7921_mcu_set_suspend_iter, 1337 &dev->mphy); 1338 1339 mt7921_mutex_release(dev); 1340 1341 return 0; 1342 } 1343 1344 static int mt7921_resume(struct ieee80211_hw *hw) 1345 { 1346 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1347 struct mt7921_phy *phy = mt7921_hw_phy(hw); 1348 1349 mt7921_mutex_acquire(dev); 1350 1351 set_bit(MT76_STATE_RUNNING, &phy->mt76->state); 1352 ieee80211_iterate_active_interfaces(hw, 1353 IEEE80211_IFACE_ITER_RESUME_ALL, 1354 mt76_connac_mcu_set_suspend_iter, 1355 &dev->mphy); 1356 1357 ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, 1358 MT7921_WATCHDOG_TIME); 1359 1360 mt7921_mutex_release(dev); 1361 1362 return 0; 1363 } 1364 1365 static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) 1366 { 1367 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1368 struct mt76_dev *mdev = &dev->mt76; 1369 1370 device_set_wakeup_enable(mdev->dev, enabled); 1371 } 1372 1373 static void mt7921_set_rekey_data(struct ieee80211_hw *hw, 1374 struct ieee80211_vif *vif, 1375 struct cfg80211_gtk_rekey_data *data) 1376 { 1377 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1378 1379 mt7921_mutex_acquire(dev); 1380 mt76_connac_mcu_update_gtk_rekey(hw, vif, data); 1381 mt7921_mutex_release(dev); 1382 } 1383 #endif /* CONFIG_PM */ 1384 1385 static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1386 u32 queues, bool drop) 1387 { 1388 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1389 1390 wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), 1391 HZ / 2); 1392 } 1393 1394 static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, 1395 struct ieee80211_vif *vif, 1396 struct ieee80211_sta *sta, 1397 bool enabled) 1398 { 1399 struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; 1400 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1401 1402 if (enabled) 1403 set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1404 else 1405 clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); 1406 1407 mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, 1408 MCU_UNI_CMD(STA_REC_UPDATE)); 1409 } 1410 1411 #if IS_ENABLED(CONFIG_IPV6) 1412 static void mt7921_ipv6_addr_change(struct ieee80211_hw *hw, 1413 struct ieee80211_vif *vif, 1414 struct inet6_dev *idev) 1415 { 1416 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1417 struct mt7921_dev *dev = mvif->phy->dev; 1418 struct inet6_ifaddr *ifa; 1419 struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; 1420 struct sk_buff *skb; 1421 u8 i, idx = 0; 1422 1423 struct { 1424 struct { 1425 u8 bss_idx; 1426 u8 pad[3]; 1427 } __packed hdr; 1428 struct mt76_connac_arpns_tlv arpns; 1429 } req_hdr = { 1430 .hdr = { 1431 .bss_idx = mvif->mt76.idx, 1432 }, 1433 .arpns = { 1434 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 1435 .mode = 2, /* update */ 1436 .option = 1, /* update only */ 1437 }, 1438 }; 1439 1440 read_lock_bh(&idev->lock); 1441 list_for_each_entry(ifa, &idev->addr_list, if_list) { 1442 if (ifa->flags & IFA_F_TENTATIVE) 1443 continue; 1444 ns_addrs[idx] = ifa->addr; 1445 if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) 1446 break; 1447 } 1448 read_unlock_bh(&idev->lock); 1449 1450 if (!idx) 1451 return; 1452 1453 skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + 1454 idx * sizeof(struct in6_addr), GFP_ATOMIC); 1455 if (!skb) 1456 return; 1457 1458 req_hdr.arpns.ips_num = idx; 1459 req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) 1460 + idx * sizeof(struct in6_addr)); 1461 skb_put_data(skb, &req_hdr, sizeof(req_hdr)); 1462 1463 for (i = 0; i < idx; i++) 1464 skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); 1465 1466 skb_queue_tail(&dev->ipv6_ns_list, skb); 1467 1468 ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); 1469 } 1470 #endif 1471 1472 static int mt7921_set_sar_specs(struct ieee80211_hw *hw, 1473 const struct cfg80211_sar_specs *sar) 1474 { 1475 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1476 struct mt76_phy *mphy = hw->priv; 1477 int err; 1478 1479 mt7921_mutex_acquire(dev); 1480 err = mt76_init_sar_power(hw, sar); 1481 if (err) 1482 goto out; 1483 1484 err = mt76_connac_mcu_set_rate_txpower(mphy); 1485 out: 1486 mt7921_mutex_release(dev); 1487 1488 return err; 1489 } 1490 1491 static void 1492 mt7921_channel_switch_beacon(struct ieee80211_hw *hw, 1493 struct ieee80211_vif *vif, 1494 struct cfg80211_chan_def *chandef) 1495 { 1496 struct mt7921_dev *dev = mt7921_hw_dev(hw); 1497 1498 mt7921_mutex_acquire(dev); 1499 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); 1500 mt7921_mutex_release(dev); 1501 } 1502 1503 const struct ieee80211_ops mt7921_ops = { 1504 .tx = mt7921_tx, 1505 .start = mt7921_start, 1506 .stop = mt7921_stop, 1507 .add_interface = mt7921_add_interface, 1508 .remove_interface = mt7921_remove_interface, 1509 .config = mt7921_config, 1510 .conf_tx = mt7921_conf_tx, 1511 .configure_filter = mt7921_configure_filter, 1512 .bss_info_changed = mt7921_bss_info_changed, 1513 .sta_state = mt7921_sta_state, 1514 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 1515 .set_key = mt7921_set_key, 1516 .sta_set_decap_offload = mt7921_sta_set_decap_offload, 1517 #if IS_ENABLED(CONFIG_IPV6) 1518 .ipv6_addr_change = mt7921_ipv6_addr_change, 1519 #endif /* CONFIG_IPV6 */ 1520 .ampdu_action = mt7921_ampdu_action, 1521 .set_rts_threshold = mt7921_set_rts_threshold, 1522 .wake_tx_queue = mt76_wake_tx_queue, 1523 .release_buffered_frames = mt76_release_buffered_frames, 1524 .channel_switch_beacon = mt7921_channel_switch_beacon, 1525 .get_txpower = mt76_get_txpower, 1526 .get_stats = mt7921_get_stats, 1527 .get_et_sset_count = mt7921_get_et_sset_count, 1528 .get_et_strings = mt7921_get_et_strings, 1529 .get_et_stats = mt7921_get_et_stats, 1530 .get_tsf = mt7921_get_tsf, 1531 .set_tsf = mt7921_set_tsf, 1532 .get_survey = mt76_get_survey, 1533 .get_antenna = mt76_get_antenna, 1534 .set_antenna = mt7921_set_antenna, 1535 .set_coverage_class = mt7921_set_coverage_class, 1536 .hw_scan = mt7921_hw_scan, 1537 .cancel_hw_scan = mt7921_cancel_hw_scan, 1538 .sta_statistics = mt7921_sta_statistics, 1539 .sched_scan_start = mt7921_start_sched_scan, 1540 .sched_scan_stop = mt7921_stop_sched_scan, 1541 CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) 1542 CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) 1543 #ifdef CONFIG_PM 1544 .suspend = mt7921_suspend, 1545 .resume = mt7921_resume, 1546 .set_wakeup = mt7921_set_wakeup, 1547 .set_rekey_data = mt7921_set_rekey_data, 1548 #endif /* CONFIG_PM */ 1549 .flush = mt7921_flush, 1550 .set_sar_specs = mt7921_set_sar_specs, 1551 }; 1552 EXPORT_SYMBOL_GPL(mt7921_ops); 1553 1554 MODULE_LICENSE("Dual BSD/GPL"); 1555 MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); 1556