| // SPDX-License-Identifier: ISC |
| /* Copyright (C) 2020 MediaTek Inc. */ |
| |
| #include <linux/etherdevice.h> |
| #include <linux/platform_device.h> |
| #include <linux/pci.h> |
| #include <linux/module.h> |
| #include "mt7921.h" |
| #include "mcu.h" |
| |
| static void |
| mt7921_gen_ppe_thresh(u8 *he_ppet, int nss) |
| { |
| u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ |
| u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; |
| |
| he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | |
| FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, |
| ru_bit_mask); |
| |
| ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * |
| nss * hweight8(ru_bit_mask) * 2; |
| ppet_size = DIV_ROUND_UP(ppet_bits, 8); |
| |
| for (i = 0; i < ppet_size - 1; i++) |
| he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; |
| |
| he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & |
| (0xff >> (8 - (ppet_bits - 1) % 8)); |
| } |
| |
| static int |
| mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band, |
| struct ieee80211_sband_iftype_data *data) |
| { |
| int i, idx = 0; |
| int nss = hweight8(phy->mt76->chainmask); |
| u16 mcs_map = 0; |
| |
| for (i = 0; i < 8; i++) { |
| if (i < nss) |
| mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); |
| else |
| mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); |
| } |
| |
| for (i = 0; i < NUM_NL80211_IFTYPES; i++) { |
| struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; |
| struct ieee80211_he_cap_elem *he_cap_elem = |
| &he_cap->he_cap_elem; |
| struct ieee80211_he_mcs_nss_supp *he_mcs = |
| &he_cap->he_mcs_nss_supp; |
| |
| switch (i) { |
| case NL80211_IFTYPE_STATION: |
| break; |
| default: |
| continue; |
| } |
| |
| data[idx].types_mask = BIT(i); |
| he_cap->has_he = true; |
| |
| he_cap_elem->mac_cap_info[0] = |
| IEEE80211_HE_MAC_CAP0_HTC_HE; |
| he_cap_elem->mac_cap_info[3] = |
| IEEE80211_HE_MAC_CAP3_OMI_CONTROL | |
| IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; |
| he_cap_elem->mac_cap_info[4] = |
| IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; |
| |
| if (band == NL80211_BAND_2GHZ) |
| he_cap_elem->phy_cap_info[0] = |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; |
| else |
| he_cap_elem->phy_cap_info[0] = |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; |
| |
| he_cap_elem->phy_cap_info[1] = |
| IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; |
| he_cap_elem->phy_cap_info[2] = |
| IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | |
| IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | |
| IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | |
| IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | |
| IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; |
| |
| switch (i) { |
| case NL80211_IFTYPE_STATION: |
| he_cap_elem->mac_cap_info[1] |= |
| IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; |
| |
| if (band == NL80211_BAND_2GHZ) |
| he_cap_elem->phy_cap_info[0] |= |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; |
| else |
| he_cap_elem->phy_cap_info[0] |= |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; |
| |
| he_cap_elem->phy_cap_info[1] |= |
| IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | |
| IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; |
| he_cap_elem->phy_cap_info[3] |= |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| he_cap_elem->phy_cap_info[4] |= |
| IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | |
| IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4; |
| he_cap_elem->phy_cap_info[5] |= |
| IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK | |
| IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK; |
| he_cap_elem->phy_cap_info[6] |= |
| IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | |
| IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU | |
| IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | |
| IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| he_cap_elem->phy_cap_info[7] |= |
| IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | |
| IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; |
| he_cap_elem->phy_cap_info[8] |= |
| IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | |
| IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | |
| IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | |
| IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | |
| IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; |
| break; |
| } |
| |
| he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); |
| he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); |
| |
| memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); |
| if (he_cap_elem->phy_cap_info[6] & |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
| mt7921_gen_ppe_thresh(he_cap->ppe_thres, nss); |
| } else { |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; |
| } |
| |
| if (band == NL80211_BAND_6GHZ) { |
| struct ieee80211_supported_band *sband = |
| &phy->mt76->sband_5g.sband; |
| struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap; |
| struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; |
| u32 exp; |
| u16 cap; |
| |
| cap = u16_encode_bits(ht_cap->ampdu_density, |
| IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); |
| exp = u32_get_bits(vht_cap->cap, |
| IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); |
| cap |= u16_encode_bits(exp, |
| IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP); |
| exp = u32_get_bits(vht_cap->cap, |
| IEEE80211_VHT_CAP_MAX_MPDU_MASK); |
| cap |= u16_encode_bits(exp, |
| IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); |
| if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN) |
| cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS; |
| if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN) |
| cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; |
| |
| data->he_6ghz_capa.capa = cpu_to_le16(cap); |
| } |
| idx++; |
| } |
| |
| return idx; |
| } |
| |
| void mt7921_set_stream_he_caps(struct mt7921_phy *phy) |
| { |
| struct ieee80211_sband_iftype_data *data; |
| struct ieee80211_supported_band *band; |
| int n; |
| |
| if (phy->mt76->cap.has_2ghz) { |
| data = phy->iftype[NL80211_BAND_2GHZ]; |
| n = mt7921_init_he_caps(phy, NL80211_BAND_2GHZ, data); |
| |
| band = &phy->mt76->sband_2g.sband; |
| band->iftype_data = data; |
| band->n_iftype_data = n; |
| } |
| |
| if (phy->mt76->cap.has_5ghz) { |
| data = phy->iftype[NL80211_BAND_5GHZ]; |
| n = mt7921_init_he_caps(phy, NL80211_BAND_5GHZ, data); |
| |
| band = &phy->mt76->sband_5g.sband; |
| band->iftype_data = data; |
| band->n_iftype_data = n; |
| |
| if (phy->mt76->cap.has_6ghz) { |
| data = phy->iftype[NL80211_BAND_6GHZ]; |
| n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data); |
| |
| band = &phy->mt76->sband_6g.sband; |
| band->iftype_data = data; |
| band->n_iftype_data = n; |
| } |
| } |
| } |
| |
| int __mt7921_start(struct mt7921_phy *phy) |
| { |
| struct mt76_phy *mphy = phy->mt76; |
| int err; |
| |
| err = mt76_connac_mcu_set_mac_enable(mphy->dev, 0, true, false); |
| if (err) |
| return err; |
| |
| err = mt76_connac_mcu_set_channel_domain(mphy); |
| if (err) |
| return err; |
| |
| err = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); |
| if (err) |
| return err; |
| |
| err = mt76_connac_mcu_set_rate_txpower(phy->mt76); |
| if (err) |
| return err; |
| |
| mt7921_mac_reset_counters(phy); |
| set_bit(MT76_STATE_RUNNING, &mphy->state); |
| |
| ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, |
| MT7921_WATCHDOG_TIME); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(__mt7921_start); |
| |
| static int mt7921_start(struct ieee80211_hw *hw) |
| { |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int err; |
| |
| mt7921_mutex_acquire(phy->dev); |
| err = __mt7921_start(phy); |
| mt7921_mutex_release(phy->dev); |
| |
| return err; |
| } |
| |
| static void mt7921_stop(struct ieee80211_hw *hw) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| |
| cancel_delayed_work_sync(&phy->mt76->mac_work); |
| |
| cancel_delayed_work_sync(&dev->pm.ps_work); |
| cancel_work_sync(&dev->pm.wake_work); |
| mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| |
| mt7921_mutex_acquire(dev); |
| clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false); |
| mt7921_mutex_release(dev); |
| } |
| |
| static int mt7921_add_interface(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| struct mt76_txq *mtxq; |
| int idx, ret = 0; |
| |
| mt7921_mutex_acquire(dev); |
| |
| mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; |
| if (mvif->mt76.idx >= MT7921_MAX_INTERFACES) { |
| ret = -ENOSPC; |
| goto out; |
| } |
| |
| mvif->mt76.omac_idx = mvif->mt76.idx; |
| mvif->phy = phy; |
| mvif->mt76.band_idx = 0; |
| mvif->mt76.wmm_idx = mvif->mt76.idx % MT7921_MAX_WMM_SETS; |
| |
| ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, |
| true); |
| if (ret) |
| goto out; |
| |
| dev->mt76.vif_mask |= BIT(mvif->mt76.idx); |
| phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| |
| idx = MT7921_WTBL_RESERVED - mvif->mt76.idx; |
| |
| INIT_LIST_HEAD(&mvif->sta.poll_list); |
| mvif->sta.wcid.idx = idx; |
| mvif->sta.wcid.ext_phy = mvif->mt76.band_idx; |
| mvif->sta.wcid.hw_key_idx = -1; |
| mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| mt76_packet_id_init(&mvif->sta.wcid); |
| |
| mt7921_mac_wtbl_update(dev, idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| ewma_rssi_init(&mvif->rssi); |
| |
| rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); |
| if (vif->txq) { |
| mtxq = (struct mt76_txq *)vif->txq->drv_priv; |
| mtxq->wcid = &mvif->sta.wcid; |
| } |
| |
| if (vif->type != NL80211_IFTYPE_AP && |
| (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3)) |
| vif->offload_flags = 0; |
| |
| vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR; |
| |
| out: |
| mt7921_mutex_release(dev); |
| |
| return ret; |
| } |
| |
| static void mt7921_remove_interface(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_sta *msta = &mvif->sta; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int idx = msta->wcid.idx; |
| |
| mt7921_mutex_acquire(dev); |
| mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, false); |
| |
| rcu_assign_pointer(dev->mt76.wcid[idx], NULL); |
| |
| dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); |
| phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |
| mt7921_mutex_release(dev); |
| |
| spin_lock_bh(&dev->sta_poll_lock); |
| if (!list_empty(&msta->poll_list)) |
| list_del_init(&msta->poll_list); |
| spin_unlock_bh(&dev->sta_poll_lock); |
| |
| mt76_packet_id_flush(&dev->mt76, &msta->wcid); |
| } |
| |
| static int mt7921_set_channel(struct mt7921_phy *phy) |
| { |
| struct mt7921_dev *dev = phy->dev; |
| int ret; |
| |
| cancel_delayed_work_sync(&phy->mt76->mac_work); |
| |
| mt7921_mutex_acquire(dev); |
| set_bit(MT76_RESET, &phy->mt76->state); |
| |
| mt76_set_channel(phy->mt76); |
| |
| ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); |
| if (ret) |
| goto out; |
| |
| mt7921_mac_set_timing(phy); |
| |
| mt7921_mac_reset_counters(phy); |
| phy->noise = 0; |
| |
| out: |
| clear_bit(MT76_RESET, &phy->mt76->state); |
| mt7921_mutex_release(dev); |
| |
| mt76_worker_schedule(&dev->mt76.tx_worker); |
| ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mt76->mac_work, |
| MT7921_WATCHDOG_TIME); |
| |
| return ret; |
| } |
| |
| static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| struct ieee80211_key_conf *key) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_sta *msta = sta ? (struct mt7921_sta *)sta->drv_priv : |
| &mvif->sta; |
| struct mt76_wcid *wcid = &msta->wcid; |
| u8 *wcid_keyidx = &wcid->hw_key_idx; |
| int idx = key->keyidx, err = 0; |
| |
| /* The hardware does not support per-STA RX GTK, fallback |
| * to software mode for these. |
| */ |
| if ((vif->type == NL80211_IFTYPE_ADHOC || |
| vif->type == NL80211_IFTYPE_MESH_POINT) && |
| (key->cipher == WLAN_CIPHER_SUITE_TKIP || |
| key->cipher == WLAN_CIPHER_SUITE_CCMP) && |
| !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) |
| return -EOPNOTSUPP; |
| |
| /* fall back to sw encryption for unsupported ciphers */ |
| switch (key->cipher) { |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE; |
| wcid_keyidx = &wcid->hw_key_idx2; |
| break; |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| if (!mvif->wep_sta) |
| return -EOPNOTSUPP; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| case WLAN_CIPHER_SUITE_CCMP: |
| case WLAN_CIPHER_SUITE_CCMP_256: |
| case WLAN_CIPHER_SUITE_GCMP: |
| case WLAN_CIPHER_SUITE_GCMP_256: |
| case WLAN_CIPHER_SUITE_SMS4: |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| mt7921_mutex_acquire(dev); |
| |
| if (cmd == SET_KEY) |
| *wcid_keyidx = idx; |
| else if (idx == *wcid_keyidx) |
| *wcid_keyidx = -1; |
| else |
| goto out; |
| |
| mt76_wcid_key_setup(&dev->mt76, wcid, |
| cmd == SET_KEY ? key : NULL); |
| |
| err = mt7921_mcu_add_key(dev, vif, msta, key, cmd); |
| if (err) |
| goto out; |
| |
| if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || |
| key->cipher == WLAN_CIPHER_SUITE_WEP40) |
| err = mt7921_mcu_add_key(dev, vif, mvif->wep_sta, key, cmd); |
| out: |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int mt7921_config(struct ieee80211_hw *hw, u32 changed) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int ret; |
| |
| if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
| ieee80211_stop_queues(hw); |
| ret = mt7921_set_channel(phy); |
| if (ret) |
| return ret; |
| ieee80211_wake_queues(hw); |
| } |
| |
| mt7921_mutex_acquire(dev); |
| |
| if (changed & IEEE80211_CONF_CHANGE_POWER) |
| mt76_connac_mcu_set_rate_txpower(phy->mt76); |
| |
| if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| |
| if (!enabled) |
| phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; |
| else |
| phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; |
| |
| mt76_rmw_field(dev, MT_DMA_DCR0(0), MT_DMA_DCR0_RXD_G5_EN, |
| enabled); |
| mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); |
| } |
| |
| mt7921_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static int |
| mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, |
| const struct ieee80211_tx_queue_params *params) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| |
| /* no need to update right away, we'll get BSS_CHANGED_QOS */ |
| queue = mt7921_lmac_mapping(dev, queue); |
| mvif->queue_params[queue] = *params; |
| |
| return 0; |
| } |
| |
| static void mt7921_configure_filter(struct ieee80211_hw *hw, |
| unsigned int changed_flags, |
| unsigned int *total_flags, |
| u64 multicast) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| u32 ctl_flags = MT_WF_RFCR1_DROP_ACK | |
| MT_WF_RFCR1_DROP_BF_POLL | |
| MT_WF_RFCR1_DROP_BA | |
| MT_WF_RFCR1_DROP_CFEND | |
| MT_WF_RFCR1_DROP_CFACK; |
| u32 flags = 0; |
| |
| #define MT76_FILTER(_flag, _hw) do { \ |
| flags |= *total_flags & FIF_##_flag; \ |
| phy->rxfilter &= ~(_hw); \ |
| phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ |
| } while (0) |
| |
| mt7921_mutex_acquire(dev); |
| |
| phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | |
| MT_WF_RFCR_DROP_OTHER_BEACON | |
| MT_WF_RFCR_DROP_FRAME_REPORT | |
| MT_WF_RFCR_DROP_PROBEREQ | |
| MT_WF_RFCR_DROP_MCAST_FILTERED | |
| MT_WF_RFCR_DROP_MCAST | |
| MT_WF_RFCR_DROP_BCAST | |
| MT_WF_RFCR_DROP_DUPLICATE | |
| MT_WF_RFCR_DROP_A2_BSSID | |
| MT_WF_RFCR_DROP_UNWANTED_CTL | |
| MT_WF_RFCR_DROP_STBC_MULTI); |
| |
| MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | |
| MT_WF_RFCR_DROP_A3_MAC | |
| MT_WF_RFCR_DROP_A3_BSSID); |
| |
| MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); |
| |
| MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | |
| MT_WF_RFCR_DROP_RTS | |
| MT_WF_RFCR_DROP_CTL_RSV | |
| MT_WF_RFCR_DROP_NDPA); |
| |
| *total_flags = flags; |
| mt76_wr(dev, MT_WF_RFCR(0), phy->rxfilter); |
| |
| if (*total_flags & FIF_CONTROL) |
| mt76_clear(dev, MT_WF_RFCR1(0), ctl_flags); |
| else |
| mt76_set(dev, MT_WF_RFCR1(0), ctl_flags); |
| |
| mt7921_mutex_release(dev); |
| } |
| |
| static void mt7921_bss_info_changed(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *info, |
| u32 changed) |
| { |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| mt7921_mutex_acquire(dev); |
| |
| if (changed & BSS_CHANGED_ERP_SLOT) { |
| int slottime = info->use_short_slot ? 9 : 20; |
| |
| if (slottime != phy->slottime) { |
| phy->slottime = slottime; |
| mt7921_mac_set_timing(phy); |
| } |
| } |
| |
| /* ensure that enable txcmd_mode after bss_info */ |
| if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) |
| mt7921_mcu_set_tx(dev, vif); |
| |
| if (changed & BSS_CHANGED_PS) |
| mt7921_mcu_uni_bss_ps(dev, vif); |
| |
| if (changed & BSS_CHANGED_ASSOC) { |
| mt7921_mcu_sta_update(dev, NULL, vif, true, |
| MT76_STA_INFO_STATE_ASSOC); |
| if (dev->pm.enable) |
| mt7921_mcu_set_beacon_filter(dev, vif, info->assoc); |
| } |
| |
| if (changed & BSS_CHANGED_ARP_FILTER) { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| |
| mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, |
| info); |
| } |
| |
| mt7921_mutex_release(dev); |
| } |
| |
| int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| int ret, idx; |
| |
| idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); |
| if (idx < 0) |
| return -ENOSPC; |
| |
| INIT_LIST_HEAD(&msta->poll_list); |
| msta->vif = mvif; |
| msta->wcid.sta = 1; |
| msta->wcid.idx = idx; |
| msta->wcid.ext_phy = mvif->mt76.band_idx; |
| msta->wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| msta->last_txs = jiffies; |
| |
| ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm); |
| if (ret) |
| return ret; |
| |
| if (vif->type == NL80211_IFTYPE_STATION) |
| mvif->wep_sta = msta; |
| |
| mt7921_mac_wtbl_update(dev, idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| ret = mt7921_mcu_sta_update(dev, sta, vif, true, |
| MT76_STA_INFO_STATE_NONE); |
| if (ret) |
| return ret; |
| |
| mt76_connac_power_save_sched(&dev->mphy, &dev->pm); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); |
| |
| void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| |
| mt7921_mutex_acquire(dev); |
| |
| if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
| mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid, |
| true); |
| |
| mt7921_mac_wtbl_update(dev, msta->wcid.idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); |
| |
| mt7921_mutex_release(dev); |
| } |
| EXPORT_SYMBOL_GPL(mt7921_mac_sta_assoc); |
| |
| void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| |
| mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| mt76_connac_pm_wake(&dev->mphy, &dev->pm); |
| |
| mt7921_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); |
| mt7921_mac_wtbl_update(dev, msta->wcid.idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| if (vif->type == NL80211_IFTYPE_STATION) { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| |
| mvif->wep_sta = NULL; |
| ewma_rssi_init(&mvif->rssi); |
| if (!sta->tdls) |
| mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, |
| &mvif->sta.wcid, false); |
| } |
| |
| spin_lock_bh(&dev->sta_poll_lock); |
| if (!list_empty(&msta->poll_list)) |
| list_del_init(&msta->poll_list); |
| spin_unlock_bh(&dev->sta_poll_lock); |
| |
| mt76_connac_power_save_sched(&dev->mphy, &dev->pm); |
| } |
| EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); |
| |
| void mt7921_tx_worker(struct mt76_worker *w) |
| { |
| struct mt7921_dev *dev = container_of(w, struct mt7921_dev, |
| mt76.tx_worker); |
| |
| if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) { |
| queue_work(dev->mt76.wq, &dev->pm.wake_work); |
| return; |
| } |
| |
| mt76_txq_schedule_all(&dev->mphy); |
| mt76_connac_pm_unref(&dev->mphy, &dev->pm); |
| } |
| |
| static void mt7921_tx(struct ieee80211_hw *hw, |
| struct ieee80211_tx_control *control, |
| struct sk_buff *skb) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| struct ieee80211_vif *vif = info->control.vif; |
| struct mt76_wcid *wcid = &dev->mt76.global_wcid; |
| int qid; |
| |
| if (control->sta) { |
| struct mt7921_sta *sta; |
| |
| sta = (struct mt7921_sta *)control->sta->drv_priv; |
| wcid = &sta->wcid; |
| } |
| |
| if (vif && !control->sta) { |
| struct mt7921_vif *mvif; |
| |
| mvif = (struct mt7921_vif *)vif->drv_priv; |
| wcid = &mvif->sta.wcid; |
| } |
| |
| if (mt76_connac_pm_ref(mphy, &dev->pm)) { |
| mt76_tx(mphy, control->sta, wcid, skb); |
| mt76_connac_pm_unref(mphy, &dev->pm); |
| return; |
| } |
| |
| qid = skb_get_queue_mapping(skb); |
| if (qid >= MT_TXQ_PSD) { |
| qid = IEEE80211_AC_BE; |
| skb_set_queue_mapping(skb, qid); |
| } |
| |
| mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb); |
| } |
| |
| static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, u32 val) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| mt7921_mutex_acquire(dev); |
| mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); |
| mt7921_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static int |
| mt7921_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_ampdu_params *params) |
| { |
| enum ieee80211_ampdu_mlme_action action = params->action; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct ieee80211_sta *sta = params->sta; |
| struct ieee80211_txq *txq = sta->txq[params->tid]; |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| u16 tid = params->tid; |
| u16 ssn = params->ssn; |
| struct mt76_txq *mtxq; |
| int ret = 0; |
| |
| if (!txq) |
| return -EINVAL; |
| |
| mtxq = (struct mt76_txq *)txq->drv_priv; |
| |
| mt7921_mutex_acquire(dev); |
| switch (action) { |
| case IEEE80211_AMPDU_RX_START: |
| mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, |
| params->buf_size); |
| mt7921_mcu_uni_rx_ba(dev, params, true); |
| break; |
| case IEEE80211_AMPDU_RX_STOP: |
| mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); |
| mt7921_mcu_uni_rx_ba(dev, params, false); |
| break; |
| case IEEE80211_AMPDU_TX_OPERATIONAL: |
| mtxq->aggr = true; |
| mtxq->send_bar = false; |
| mt7921_mcu_uni_tx_ba(dev, params, true); |
| break; |
| case IEEE80211_AMPDU_TX_STOP_FLUSH: |
| case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: |
| mtxq->aggr = false; |
| clear_bit(tid, &msta->ampdu_state); |
| mt7921_mcu_uni_tx_ba(dev, params, false); |
| break; |
| case IEEE80211_AMPDU_TX_START: |
| set_bit(tid, &msta->ampdu_state); |
| ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| break; |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| mtxq->aggr = false; |
| clear_bit(tid, &msta->ampdu_state); |
| mt7921_mcu_uni_tx_ba(dev, params, false); |
| ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| break; |
| } |
| mt7921_mutex_release(dev); |
| |
| return ret; |
| } |
| |
| static int mt7921_sta_state(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| enum ieee80211_sta_state old_state, |
| enum ieee80211_sta_state new_state) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| if (dev->pm.ds_enable) { |
| mt7921_mutex_acquire(dev); |
| mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); |
| mt7921_mutex_release(dev); |
| } |
| |
| return mt76_sta_state(hw, vif, sta, old_state, new_state); |
| } |
| |
| static int |
| mt7921_get_stats(struct ieee80211_hw *hw, |
| struct ieee80211_low_level_stats *stats) |
| { |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| struct mib_stats *mib = &phy->mib; |
| |
| mt7921_mutex_acquire(phy->dev); |
| |
| stats->dot11RTSSuccessCount = mib->rts_cnt; |
| stats->dot11RTSFailureCount = mib->rts_retries_cnt; |
| stats->dot11FCSErrorCount = mib->fcs_err_cnt; |
| stats->dot11ACKFailureCount = mib->ack_fail_cnt; |
| |
| mt7921_mutex_release(phy->dev); |
| |
| return 0; |
| } |
| |
| static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { |
| /* tx counters */ |
| "tx_ampdu_cnt", |
| "tx_mpdu_attempts", |
| "tx_mpdu_success", |
| "tx_pkt_ebf_cnt", |
| "tx_pkt_ibf_cnt", |
| "tx_ampdu_len:0-1", |
| "tx_ampdu_len:2-10", |
| "tx_ampdu_len:11-19", |
| "tx_ampdu_len:20-28", |
| "tx_ampdu_len:29-37", |
| "tx_ampdu_len:38-46", |
| "tx_ampdu_len:47-55", |
| "tx_ampdu_len:56-79", |
| "tx_ampdu_len:80-103", |
| "tx_ampdu_len:104-127", |
| "tx_ampdu_len:128-151", |
| "tx_ampdu_len:152-175", |
| "tx_ampdu_len:176-199", |
| "tx_ampdu_len:200-223", |
| "tx_ampdu_len:224-247", |
| "ba_miss_count", |
| "tx_beamformer_ppdu_iBF", |
| "tx_beamformer_ppdu_eBF", |
| "tx_beamformer_rx_feedback_all", |
| "tx_beamformer_rx_feedback_he", |
| "tx_beamformer_rx_feedback_vht", |
| "tx_beamformer_rx_feedback_ht", |
| "tx_msdu_pack_1", |
| "tx_msdu_pack_2", |
| "tx_msdu_pack_3", |
| "tx_msdu_pack_4", |
| "tx_msdu_pack_5", |
| "tx_msdu_pack_6", |
| "tx_msdu_pack_7", |
| "tx_msdu_pack_8", |
| /* rx counters */ |
| "rx_mpdu_cnt", |
| "rx_ampdu_cnt", |
| "rx_ampdu_bytes_cnt", |
| "rx_ba_cnt", |
| /* per vif counters */ |
| "v_tx_mode_cck", |
| "v_tx_mode_ofdm", |
| "v_tx_mode_ht", |
| "v_tx_mode_ht_gf", |
| "v_tx_mode_vht", |
| "v_tx_mode_he_su", |
| "v_tx_mode_he_ext_su", |
| "v_tx_mode_he_tb", |
| "v_tx_mode_he_mu", |
| "v_tx_bw_20", |
| "v_tx_bw_40", |
| "v_tx_bw_80", |
| "v_tx_bw_160", |
| "v_tx_mcs_0", |
| "v_tx_mcs_1", |
| "v_tx_mcs_2", |
| "v_tx_mcs_3", |
| "v_tx_mcs_4", |
| "v_tx_mcs_5", |
| "v_tx_mcs_6", |
| "v_tx_mcs_7", |
| "v_tx_mcs_8", |
| "v_tx_mcs_9", |
| "v_tx_mcs_10", |
| "v_tx_mcs_11", |
| }; |
| |
| static void |
| mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| u32 sset, u8 *data) |
| { |
| if (sset != ETH_SS_STATS) |
| return; |
| |
| memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats)); |
| } |
| |
| static int |
| mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| int sset) |
| { |
| return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0; |
| } |
| |
| static void |
| mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta) |
| { |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| struct mt76_ethtool_worker_info *wi = wi_data; |
| |
| if (msta->vif->mt76.idx != wi->idx) |
| return; |
| |
| mt76_ethtool_worker(wi, &msta->stats); |
| } |
| |
| static |
| void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| struct mt7921_dev *dev = phy->dev; |
| struct mib_stats *mib = &phy->mib; |
| struct mt76_ethtool_worker_info wi = { |
| .data = data, |
| .idx = mvif->mt76.idx, |
| }; |
| int i, ei = 0; |
| |
| mt7921_mutex_acquire(dev); |
| |
| mt7921_mac_update_mib_stats(phy); |
| |
| data[ei++] = mib->tx_ampdu_cnt; |
| data[ei++] = mib->tx_mpdu_attempts_cnt; |
| data[ei++] = mib->tx_mpdu_success_cnt; |
| data[ei++] = mib->tx_pkt_ebf_cnt; |
| data[ei++] = mib->tx_pkt_ibf_cnt; |
| |
| /* Tx ampdu stat */ |
| for (i = 0; i < 15; i++) |
| data[ei++] = dev->mt76.aggr_stats[i]; |
| |
| data[ei++] = phy->mib.ba_miss_cnt; |
| |
| /* Tx Beamformer monitor */ |
| data[ei++] = mib->tx_bf_ibf_ppdu_cnt; |
| data[ei++] = mib->tx_bf_ebf_ppdu_cnt; |
| |
| /* Tx Beamformer Rx feedback monitor */ |
| data[ei++] = mib->tx_bf_rx_fb_all_cnt; |
| data[ei++] = mib->tx_bf_rx_fb_he_cnt; |
| data[ei++] = mib->tx_bf_rx_fb_vht_cnt; |
| data[ei++] = mib->tx_bf_rx_fb_ht_cnt; |
| |
| /* Tx amsdu info (pack-count histogram) */ |
| for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) |
| data[ei++] = mib->tx_amsdu[i]; |
| |
| /* rx counters */ |
| data[ei++] = mib->rx_mpdu_cnt; |
| data[ei++] = mib->rx_ampdu_cnt; |
| data[ei++] = mib->rx_ampdu_bytes_cnt; |
| data[ei++] = mib->rx_ba_cnt; |
| |
| /* Add values for all stations owned by this vif */ |
| wi.initial_stat_idx = ei; |
| ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi); |
| |
| mt7921_mutex_release(dev); |
| |
| if (!wi.sta_count) |
| return; |
| |
| ei += wi.worker_stat_count; |
| if (ei != ARRAY_SIZE(mt7921_gstrings_stats)) |
| dev_err(dev->mt76.dev, "ei: %d SSTATS_LEN: %zu", |
| ei, ARRAY_SIZE(mt7921_gstrings_stats)); |
| } |
| |
| static u64 |
| mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| u8 omac_idx = mvif->mt76.omac_idx; |
| union { |
| u64 t64; |
| u32 t32[2]; |
| } tsf; |
| u16 n; |
| |
| mt7921_mutex_acquire(dev); |
| |
| n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; |
| /* TSF software read */ |
| mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_MODE); |
| tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(0)); |
| tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(0)); |
| |
| mt7921_mutex_release(dev); |
| |
| return tsf.t64; |
| } |
| |
| static void |
| mt7921_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| u64 timestamp) |
| { |
| struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| u8 omac_idx = mvif->mt76.omac_idx; |
| union { |
| u64 t64; |
| u32 t32[2]; |
| } tsf = { .t64 = timestamp, }; |
| u16 n; |
| |
| mt7921_mutex_acquire(dev); |
| |
| n = omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : omac_idx; |
| mt76_wr(dev, MT_LPON_UTTR0(0), tsf.t32[0]); |
| mt76_wr(dev, MT_LPON_UTTR1(0), tsf.t32[1]); |
| /* TSF software overwrite */ |
| mt76_set(dev, MT_LPON_TCR(0, n), MT_LPON_TCR_SW_WRITE); |
| |
| mt7921_mutex_release(dev); |
| } |
| |
| static void |
| mt7921_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) |
| { |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| struct mt7921_dev *dev = phy->dev; |
| |
| mt7921_mutex_acquire(dev); |
| phy->coverage_class = max_t(s16, coverage_class, 0); |
| mt7921_mac_set_timing(phy); |
| mt7921_mutex_release(dev); |
| } |
| |
| void mt7921_scan_work(struct work_struct *work) |
| { |
| struct mt7921_phy *phy; |
| |
| phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, |
| scan_work.work); |
| |
| while (true) { |
| struct mt7921_mcu_rxd *rxd; |
| struct sk_buff *skb; |
| |
| spin_lock_bh(&phy->dev->mt76.lock); |
| skb = __skb_dequeue(&phy->scan_event_list); |
| spin_unlock_bh(&phy->dev->mt76.lock); |
| |
| if (!skb) |
| break; |
| |
| rxd = (struct mt7921_mcu_rxd *)skb->data; |
| if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) { |
| ieee80211_sched_scan_results(phy->mt76->hw); |
| } else if (test_and_clear_bit(MT76_HW_SCANNING, |
| &phy->mt76->state)) { |
| struct cfg80211_scan_info info = { |
| .aborted = false, |
| }; |
| |
| ieee80211_scan_completed(phy->mt76->hw, &info); |
| } |
| dev_kfree_skb(skb); |
| } |
| } |
| |
| static int |
| mt7921_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_scan_request *req) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt7921_mutex_acquire(dev); |
| err = mt76_connac_mcu_hw_scan(mphy, vif, req); |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void |
| mt7921_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| |
| mt7921_mutex_acquire(dev); |
| mt76_connac_mcu_cancel_hw_scan(mphy, vif); |
| mt7921_mutex_release(dev); |
| } |
| |
| static int |
| mt7921_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct cfg80211_sched_scan_request *req, |
| struct ieee80211_scan_ies *ies) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt7921_mutex_acquire(dev); |
| |
| err = mt76_connac_mcu_sched_scan_req(mphy, vif, req); |
| if (err < 0) |
| goto out; |
| |
| err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true); |
| out: |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int |
| mt7921_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt7921_mutex_acquire(dev); |
| err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int |
| mt7921_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int max_nss = hweight8(hw->wiphy->available_antennas_tx); |
| |
| if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss) |
| return -EINVAL; |
| |
| if ((BIT(hweight8(tx_ant)) - 1) != tx_ant) |
| tx_ant = BIT(ffs(tx_ant) - 1) - 1; |
| |
| mt7921_mutex_acquire(dev); |
| |
| phy->mt76->antenna_mask = tx_ant; |
| phy->mt76->chainmask = tx_ant; |
| |
| mt76_set_stream_caps(phy->mt76, true); |
| mt7921_set_stream_he_caps(phy); |
| |
| mt7921_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static void mt7921_sta_statistics(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| struct station_info *sinfo) |
| { |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| struct rate_info *txrate = &msta->wcid.rate; |
| |
| if (!txrate->legacy && !txrate->flags) |
| return; |
| |
| if (txrate->legacy) { |
| sinfo->txrate.legacy = txrate->legacy; |
| } else { |
| sinfo->txrate.mcs = txrate->mcs; |
| sinfo->txrate.nss = txrate->nss; |
| sinfo->txrate.bw = txrate->bw; |
| sinfo->txrate.he_gi = txrate->he_gi; |
| sinfo->txrate.he_dcm = txrate->he_dcm; |
| sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc; |
| } |
| sinfo->txrate.flags = txrate->flags; |
| sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); |
| } |
| |
| #ifdef CONFIG_PM |
| static int mt7921_suspend(struct ieee80211_hw *hw, |
| struct cfg80211_wowlan *wowlan) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int err; |
| |
| cancel_delayed_work_sync(&phy->scan_work); |
| cancel_delayed_work_sync(&phy->mt76->mac_work); |
| |
| cancel_delayed_work_sync(&dev->pm.ps_work); |
| mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); |
| |
| mt7921_mutex_acquire(dev); |
| |
| clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| |
| set_bit(MT76_STATE_SUSPEND, &phy->mt76->state); |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt76_connac_mcu_set_suspend_iter, |
| &dev->mphy); |
| |
| err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true); |
| |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int mt7921_resume(struct ieee80211_hw *hw) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt7921_phy *phy = mt7921_hw_phy(hw); |
| int err; |
| |
| mt7921_mutex_acquire(dev); |
| |
| err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false); |
| if (err < 0) |
| goto out; |
| |
| set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state); |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt76_connac_mcu_set_suspend_iter, |
| &dev->mphy); |
| |
| ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, |
| MT7921_WATCHDOG_TIME); |
| out: |
| |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void mt7921_set_wakeup(struct ieee80211_hw *hw, bool enabled) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_dev *mdev = &dev->mt76; |
| |
| device_set_wakeup_enable(mdev->dev, enabled); |
| } |
| |
| static void mt7921_set_rekey_data(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct cfg80211_gtk_rekey_data *data) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| mt7921_mutex_acquire(dev); |
| mt76_connac_mcu_update_gtk_rekey(hw, vif, data); |
| mt7921_mutex_release(dev); |
| } |
| #endif /* CONFIG_PM */ |
| |
| static void mt7921_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| u32 queues, bool drop) |
| { |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| wait_event_timeout(dev->mt76.tx_wait, !mt76_has_tx_pending(&dev->mphy), |
| HZ / 2); |
| } |
| |
| static void mt7921_sta_set_decap_offload(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| bool enabled) |
| { |
| struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| |
| if (enabled) |
| set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| else |
| clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| |
| mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, |
| MCU_UNI_CMD_STA_REC_UPDATE); |
| } |
| |
| static int mt7921_set_sar_specs(struct ieee80211_hw *hw, |
| const struct cfg80211_sar_specs *sar) |
| { |
| const struct cfg80211_sar_capa *capa = hw->wiphy->sar_capa; |
| struct mt7921_dev *dev = mt7921_hw_dev(hw); |
| struct mt76_freq_range_power *data, *frp; |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| u32 i; |
| |
| if (sar->type != NL80211_SAR_TYPE_POWER || !sar->num_sub_specs) |
| return -EINVAL; |
| |
| mt7921_mutex_acquire(dev); |
| |
| data = mphy->frp; |
| |
| for (i = 0; i < sar->num_sub_specs; i++) { |
| u32 index = sar->sub_specs[i].freq_range_index; |
| /* SAR specifies power limitaton in 0.25dbm */ |
| s32 power = sar->sub_specs[i].power >> 1; |
| |
| if (power > 127 || power < -127) |
| power = 127; |
| |
| frp = &data[index]; |
| frp->range = &capa->freq_ranges[index]; |
| frp->power = power; |
| } |
| |
| err = mt76_connac_mcu_set_rate_txpower(mphy); |
| |
| mt7921_mutex_release(dev); |
| |
| return err; |
| } |
| |
| const struct ieee80211_ops mt7921_ops = { |
| .tx = mt7921_tx, |
| .start = mt7921_start, |
| .stop = mt7921_stop, |
| .add_interface = mt7921_add_interface, |
| .remove_interface = mt7921_remove_interface, |
| .config = mt7921_config, |
| .conf_tx = mt7921_conf_tx, |
| .configure_filter = mt7921_configure_filter, |
| .bss_info_changed = mt7921_bss_info_changed, |
| .sta_state = mt7921_sta_state, |
| .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| .set_key = mt7921_set_key, |
| .sta_set_decap_offload = mt7921_sta_set_decap_offload, |
| .ampdu_action = mt7921_ampdu_action, |
| .set_rts_threshold = mt7921_set_rts_threshold, |
| .wake_tx_queue = mt76_wake_tx_queue, |
| .release_buffered_frames = mt76_release_buffered_frames, |
| .get_txpower = mt76_get_txpower, |
| .get_stats = mt7921_get_stats, |
| .get_et_sset_count = mt7921_get_et_sset_count, |
| .get_et_strings = mt7921_get_et_strings, |
| .get_et_stats = mt7921_get_et_stats, |
| .get_tsf = mt7921_get_tsf, |
| .set_tsf = mt7921_set_tsf, |
| .get_survey = mt76_get_survey, |
| .get_antenna = mt76_get_antenna, |
| .set_antenna = mt7921_set_antenna, |
| .set_coverage_class = mt7921_set_coverage_class, |
| .hw_scan = mt7921_hw_scan, |
| .cancel_hw_scan = mt7921_cancel_hw_scan, |
| .sta_statistics = mt7921_sta_statistics, |
| .sched_scan_start = mt7921_start_sched_scan, |
| .sched_scan_stop = mt7921_stop_sched_scan, |
| CFG80211_TESTMODE_CMD(mt7921_testmode_cmd) |
| CFG80211_TESTMODE_DUMP(mt7921_testmode_dump) |
| #ifdef CONFIG_PM |
| .suspend = mt7921_suspend, |
| .resume = mt7921_resume, |
| .set_wakeup = mt7921_set_wakeup, |
| .set_rekey_data = mt7921_set_rekey_data, |
| #endif /* CONFIG_PM */ |
| .flush = mt7921_flush, |
| .set_sar_specs = mt7921_set_sar_specs, |
| }; |
| EXPORT_SYMBOL_GPL(mt7921_ops); |
| |
| MODULE_LICENSE("Dual BSD/GPL"); |
| MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); |