| // SPDX-License-Identifier: ISC |
| /* Copyright (C) 2023 MediaTek Inc. */ |
| |
| #include <linux/etherdevice.h> |
| #include <linux/platform_device.h> |
| #include <linux/pci.h> |
| #include <linux/module.h> |
| #include <linux/ctype.h> |
| #include <net/ipv6.h> |
| #include "mt7925.h" |
| #include "mcu.h" |
| #include "mac.h" |
| |
| static void |
| mt7925_init_he_caps(struct mt792x_phy *phy, enum nl80211_band band, |
| struct ieee80211_sband_iftype_data *data, |
| enum nl80211_iftype iftype) |
| { |
| struct ieee80211_sta_he_cap *he_cap = &data->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; |
| int i, nss = hweight8(phy->mt76->antenna_mask); |
| 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)); |
| } |
| |
| 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 | |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_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 (iftype) { |
| case NL80211_IFTYPE_AP: |
| he_cap_elem->mac_cap_info[2] |= |
| IEEE80211_HE_MAC_CAP2_BSR; |
| he_cap_elem->mac_cap_info[4] |= |
| IEEE80211_HE_MAC_CAP4_BQR; |
| he_cap_elem->mac_cap_info[5] |= |
| IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; |
| 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[6] |= |
| IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; |
| break; |
| 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 | |
| IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_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_20MHZ_IN_160MHZ_HE_PPDU | |
| IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | |
| 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; |
| default: |
| break; |
| } |
| |
| he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); |
| he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); |
| he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); |
| he_mcs->tx_mcs_160 = 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) { |
| mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss); |
| } else { |
| he_cap_elem->phy_cap_info[9] |= |
| u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, |
| IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); |
| } |
| |
| if (band == NL80211_BAND_6GHZ) { |
| u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS | |
| IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; |
| |
| cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_0_5, |
| IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | |
| u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, |
| IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | |
| u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, |
| IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); |
| |
| data->he_6ghz_capa.capa = cpu_to_le16(cap); |
| } |
| } |
| |
| static void |
| mt7925_init_eht_caps(struct mt792x_phy *phy, enum nl80211_band band, |
| struct ieee80211_sband_iftype_data *data) |
| { |
| struct ieee80211_sta_eht_cap *eht_cap = &data->eht_cap; |
| struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem; |
| struct ieee80211_eht_mcs_nss_supp *eht_nss = &eht_cap->eht_mcs_nss_supp; |
| enum nl80211_chan_width width = phy->mt76->chandef.width; |
| int nss = hweight8(phy->mt76->antenna_mask); |
| int sts = hweight16(phy->mt76->chainmask); |
| u8 val; |
| |
| if (!phy->dev->has_eht) |
| return; |
| |
| eht_cap->has_eht = true; |
| |
| eht_cap_elem->mac_cap_info[0] = |
| IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS | |
| IEEE80211_EHT_MAC_CAP0_OM_CONTROL; |
| |
| eht_cap_elem->phy_cap_info[0] = |
| IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI | |
| IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER | |
| IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; |
| |
| eht_cap_elem->phy_cap_info[0] |= |
| u8_encode_bits(u8_get_bits(sts - 1, BIT(0)), |
| IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK); |
| |
| eht_cap_elem->phy_cap_info[1] = |
| u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)), |
| IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) | |
| u8_encode_bits(sts - 1, |
| IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK); |
| |
| eht_cap_elem->phy_cap_info[2] = |
| u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) | |
| u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK); |
| |
| eht_cap_elem->phy_cap_info[3] = |
| IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK | |
| IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK | |
| IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK | |
| IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK | |
| IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK | |
| IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK | |
| IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK; |
| |
| eht_cap_elem->phy_cap_info[4] = |
| u8_encode_bits(min_t(int, sts - 1, 2), |
| IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK); |
| |
| eht_cap_elem->phy_cap_info[5] = |
| IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK | |
| u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US, |
| IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) | |
| u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)), |
| IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK); |
| |
| val = width == NL80211_CHAN_WIDTH_160 ? 0x7 : |
| width == NL80211_CHAN_WIDTH_80 ? 0x3 : 0x1; |
| eht_cap_elem->phy_cap_info[6] = |
| u8_encode_bits(u8_get_bits(0x11, GENMASK(4, 2)), |
| IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) | |
| u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK); |
| |
| eht_cap_elem->phy_cap_info[7] = |
| IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | |
| IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | |
| IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | |
| IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ; |
| |
| val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) | |
| u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX); |
| |
| eht_nss->bw._80.rx_tx_mcs9_max_nss = val; |
| eht_nss->bw._80.rx_tx_mcs11_max_nss = val; |
| eht_nss->bw._80.rx_tx_mcs13_max_nss = val; |
| eht_nss->bw._160.rx_tx_mcs9_max_nss = val; |
| eht_nss->bw._160.rx_tx_mcs11_max_nss = val; |
| eht_nss->bw._160.rx_tx_mcs13_max_nss = val; |
| } |
| |
| static void |
| __mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy, |
| struct ieee80211_supported_band *sband, |
| enum nl80211_band band) |
| { |
| struct ieee80211_sband_iftype_data *data = phy->iftype[band]; |
| int i, n = 0; |
| |
| for (i = 0; i < NUM_NL80211_IFTYPES; i++) { |
| switch (i) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP: |
| break; |
| default: |
| continue; |
| } |
| |
| data[n].types_mask = BIT(i); |
| mt7925_init_he_caps(phy, band, &data[n], i); |
| mt7925_init_eht_caps(phy, band, &data[n]); |
| |
| n++; |
| } |
| |
| _ieee80211_set_sband_iftype_data(sband, data, n); |
| } |
| |
| void mt7925_set_stream_he_eht_caps(struct mt792x_phy *phy) |
| { |
| if (phy->mt76->cap.has_2ghz) |
| __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_2g.sband, |
| NL80211_BAND_2GHZ); |
| |
| if (phy->mt76->cap.has_5ghz) |
| __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_5g.sband, |
| NL80211_BAND_5GHZ); |
| |
| if (phy->mt76->cap.has_6ghz) |
| __mt7925_set_stream_he_eht_caps(phy, &phy->mt76->sband_6g.sband, |
| NL80211_BAND_6GHZ); |
| } |
| |
| int __mt7925_start(struct mt792x_phy *phy) |
| { |
| struct mt76_phy *mphy = phy->mt76; |
| int err; |
| |
| err = mt7925_mcu_set_channel_domain(mphy); |
| if (err) |
| return err; |
| |
| err = mt7925_mcu_set_rts_thresh(phy, 0x92b); |
| if (err) |
| return err; |
| |
| err = mt7925_set_tx_sar_pwr(mphy->hw, NULL); |
| if (err) |
| return err; |
| |
| mt792x_mac_reset_counters(phy); |
| set_bit(MT76_STATE_RUNNING, &mphy->state); |
| |
| ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, |
| MT792x_WATCHDOG_TIME); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(__mt7925_start); |
| |
| static int mt7925_start(struct ieee80211_hw *hw) |
| { |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| int err; |
| |
| mt792x_mutex_acquire(phy->dev); |
| err = __mt7925_start(phy); |
| mt792x_mutex_release(phy->dev); |
| |
| return err; |
| } |
| |
| static int |
| mt7925_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| struct mt76_txq *mtxq; |
| int idx, ret = 0; |
| |
| mt792x_mutex_acquire(dev); |
| |
| mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); |
| if (mvif->mt76.idx >= MT792x_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 % MT76_CONNAC_MAX_WMM_SETS; |
| |
| if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ) |
| mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL + 4; |
| else |
| mvif->mt76.basic_rates_idx = MT792x_BASIC_RATES_TBL; |
| |
| ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, |
| true); |
| if (ret) |
| goto out; |
| |
| dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); |
| phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); |
| |
| idx = MT792x_WTBL_RESERVED - mvif->mt76.idx; |
| |
| INIT_LIST_HEAD(&mvif->sta.wcid.poll_list); |
| mvif->sta.wcid.idx = idx; |
| mvif->sta.wcid.phy_idx = mvif->mt76.band_idx; |
| mvif->sta.wcid.hw_key_idx = -1; |
| mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| mt76_wcid_init(&mvif->sta.wcid); |
| |
| mt7925_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 = idx; |
| } |
| |
| vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; |
| out: |
| mt792x_mutex_release(dev); |
| |
| return ret; |
| } |
| |
| static void mt7925_roc_iter(void *priv, u8 *mac, |
| struct ieee80211_vif *vif) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_phy *phy = priv; |
| |
| mt7925_mcu_abort_roc(phy, mvif, phy->roc_token_id); |
| } |
| |
| void mt7925_roc_work(struct work_struct *work) |
| { |
| struct mt792x_phy *phy; |
| |
| phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, |
| roc_work); |
| |
| if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| return; |
| |
| mt792x_mutex_acquire(phy->dev); |
| ieee80211_iterate_active_interfaces(phy->mt76->hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt7925_roc_iter, phy); |
| mt792x_mutex_release(phy->dev); |
| ieee80211_remain_on_channel_expired(phy->mt76->hw); |
| } |
| |
| static int mt7925_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) |
| { |
| int err = 0; |
| |
| del_timer_sync(&phy->roc_timer); |
| cancel_work_sync(&phy->roc_work); |
| |
| mt792x_mutex_acquire(phy->dev); |
| if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| err = mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); |
| mt792x_mutex_release(phy->dev); |
| |
| return err; |
| } |
| |
| static int mt7925_set_roc(struct mt792x_phy *phy, |
| struct mt792x_vif *vif, |
| struct ieee80211_channel *chan, |
| int duration, |
| enum mt7925_roc_req type) |
| { |
| int err; |
| |
| if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) |
| return -EBUSY; |
| |
| phy->roc_grant = false; |
| |
| err = mt7925_mcu_set_roc(phy, vif, chan, duration, type, |
| ++phy->roc_token_id); |
| if (err < 0) { |
| clear_bit(MT76_STATE_ROC, &phy->mt76->state); |
| goto out; |
| } |
| |
| if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, 4 * HZ)) { |
| mt7925_mcu_abort_roc(phy, vif, phy->roc_token_id); |
| clear_bit(MT76_STATE_ROC, &phy->mt76->state); |
| err = -ETIMEDOUT; |
| } |
| |
| out: |
| return err; |
| } |
| |
| static int mt7925_remain_on_channel(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_channel *chan, |
| int duration, |
| enum ieee80211_roc_type type) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| int err; |
| |
| mt792x_mutex_acquire(phy->dev); |
| err = mt7925_set_roc(phy, mvif, chan, duration, MT7925_ROC_REQ_ROC); |
| mt792x_mutex_release(phy->dev); |
| |
| return err; |
| } |
| |
| static int mt7925_cancel_remain_on_channel(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| |
| return mt7925_abort_roc(phy, mvif); |
| } |
| |
| static int mt7925_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 mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_sta *msta = sta ? (struct mt792x_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; |
| } |
| |
| mt792x_mutex_acquire(dev); |
| |
| if (cmd == SET_KEY && !mvif->mt76.cipher) { |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| |
| mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher); |
| mt7925_mcu_add_bss_info(phy, mvif->mt76.ctx, vif, sta, true); |
| } |
| |
| 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 = mt7925_mcu_add_key(&dev->mt76, vif, &msta->bip, |
| key, MCU_UNI_CMD(STA_REC_UPDATE), |
| &msta->wcid, cmd); |
| |
| if (err) |
| goto out; |
| |
| if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || |
| key->cipher == WLAN_CIPHER_SUITE_WEP40) |
| err = mt7925_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip, |
| key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE), |
| &mvif->wep_sta->wcid, cmd); |
| |
| out: |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void |
| mt7925_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) |
| { |
| struct mt792x_dev *dev = priv; |
| struct ieee80211_hw *hw = mt76_hw(dev); |
| bool pm_enable = dev->pm.enable; |
| int err; |
| |
| err = mt7925_mcu_set_beacon_filter(dev, vif, pm_enable); |
| if (err < 0) |
| return; |
| |
| if (pm_enable) { |
| vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; |
| ieee80211_hw_set(hw, CONNECTION_MONITOR); |
| } else { |
| vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; |
| __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); |
| } |
| } |
| |
| static void |
| mt7925_sniffer_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) |
| { |
| struct mt792x_dev *dev = priv; |
| struct ieee80211_hw *hw = mt76_hw(dev); |
| struct mt76_connac_pm *pm = &dev->pm; |
| bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| |
| mt7925_mcu_set_sniffer(dev, vif, monitor); |
| pm->enable = pm->enable_user && !monitor; |
| pm->ds_enable = pm->ds_enable_user && !monitor; |
| |
| mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); |
| |
| if (monitor) |
| mt7925_mcu_set_beacon_filter(dev, vif, false); |
| } |
| |
| void mt7925_set_runtime_pm(struct mt792x_dev *dev) |
| { |
| struct ieee80211_hw *hw = mt76_hw(dev); |
| struct mt76_connac_pm *pm = &dev->pm; |
| bool monitor = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |
| |
| pm->enable = pm->enable_user && !monitor; |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt7925_pm_interface_iter, dev); |
| pm->ds_enable = pm->ds_enable_user && !monitor; |
| mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); |
| } |
| |
| static int mt7925_config(struct ieee80211_hw *hw, u32 changed) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| int ret = 0; |
| |
| mt792x_mutex_acquire(dev); |
| |
| if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| ret = mt7925_set_tx_sar_pwr(hw, NULL); |
| if (ret) |
| goto out; |
| } |
| |
| if (changed & IEEE80211_CONF_CHANGE_MONITOR) { |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt7925_sniffer_interface_iter, dev); |
| } |
| |
| out: |
| mt792x_mutex_release(dev); |
| |
| return ret; |
| } |
| |
| static void mt7925_configure_filter(struct ieee80211_hw *hw, |
| unsigned int changed_flags, |
| unsigned int *total_flags, |
| u64 multicast) |
| { |
| #define MT7925_FILTER_FCSFAIL BIT(2) |
| #define MT7925_FILTER_CONTROL BIT(5) |
| #define MT7925_FILTER_OTHER_BSS BIT(6) |
| #define MT7925_FILTER_ENABLE BIT(31) |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| u32 flags = MT7925_FILTER_ENABLE; |
| |
| #define MT7925_FILTER(_fif, _type) do { \ |
| if (*total_flags & (_fif)) \ |
| flags |= MT7925_FILTER_##_type; \ |
| } while (0) |
| |
| MT7925_FILTER(FIF_FCSFAIL, FCSFAIL); |
| MT7925_FILTER(FIF_CONTROL, CONTROL); |
| MT7925_FILTER(FIF_OTHER_BSS, OTHER_BSS); |
| |
| mt792x_mutex_acquire(dev); |
| mt7925_mcu_set_rxfilter(dev, flags, 0, 0); |
| mt792x_mutex_release(dev); |
| |
| *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); |
| } |
| |
| static u8 |
| mt7925_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| bool beacon, bool mcast) |
| { |
| struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; |
| struct mt76_phy *mphy = hw->priv; |
| u16 rate; |
| u8 i, idx, ht; |
| |
| rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast); |
| ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM; |
| |
| if (beacon && ht) { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| /* must odd index */ |
| idx = MT7925_BEACON_RATES_TBL + 2 * (mvif->idx % 20); |
| mt7925_mac_set_fixed_rate_table(dev, idx, rate); |
| return idx; |
| } |
| |
| idx = FIELD_GET(MT_TX_RATE_IDX, rate); |
| for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) |
| if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx) |
| return MT792x_BASIC_RATES_TBL + i; |
| |
| return mvif->basic_rates_idx; |
| } |
| |
| static void mt7925_bss_info_changed(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *info, |
| u64 changed) |
| { |
| struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| mt792x_mutex_acquire(dev); |
| |
| if (changed & BSS_CHANGED_ERP_SLOT) { |
| int slottime = info->use_short_slot ? 9 : 20; |
| |
| if (slottime != phy->slottime) { |
| phy->slottime = slottime; |
| mt792x_mac_set_timeing(phy); |
| } |
| } |
| |
| if (changed & BSS_CHANGED_MCAST_RATE) |
| mvif->mcast_rates_idx = |
| mt7925_get_rates_table(hw, vif, false, true); |
| |
| if (changed & BSS_CHANGED_BASIC_RATES) |
| mvif->basic_rates_idx = |
| mt7925_get_rates_table(hw, vif, false, false); |
| |
| if (changed & (BSS_CHANGED_BEACON | |
| BSS_CHANGED_BEACON_ENABLED)) { |
| mvif->beacon_rates_idx = |
| mt7925_get_rates_table(hw, vif, true, false); |
| |
| mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, |
| info->enable_beacon); |
| } |
| |
| /* ensure that enable txcmd_mode after bss_info */ |
| if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED)) |
| mt7925_mcu_set_tx(dev, vif); |
| |
| if (changed & BSS_CHANGED_PS) |
| mt7925_mcu_uni_bss_ps(dev, vif); |
| |
| if (changed & BSS_CHANGED_ASSOC) { |
| mt7925_mcu_sta_update(dev, NULL, vif, true, |
| MT76_STA_INFO_STATE_ASSOC); |
| mt7925_mcu_set_beacon_filter(dev, vif, vif->cfg.assoc); |
| } |
| |
| if (changed & BSS_CHANGED_ARP_FILTER) { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| |
| mt7925_mcu_update_arp_filter(&dev->mt76, &mvif->mt76, info); |
| } |
| |
| mt792x_mutex_release(dev); |
| } |
| |
| int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); |
| struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| int ret, idx; |
| |
| idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT792x_WTBL_STA - 1); |
| if (idx < 0) |
| return -ENOSPC; |
| |
| INIT_LIST_HEAD(&msta->wcid.poll_list); |
| msta->vif = mvif; |
| msta->wcid.sta = 1; |
| msta->wcid.idx = idx; |
| msta->wcid.phy_idx = 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; |
| |
| mt7925_mac_wtbl_update(dev, idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| /* should update bss info before STA add */ |
| if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
| mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, |
| false); |
| |
| ret = mt7925_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(mt7925_mac_sta_add); |
| |
| void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); |
| struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| |
| mt792x_mutex_acquire(dev); |
| |
| if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) |
| mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, |
| true); |
| |
| ewma_avg_signal_init(&msta->avg_ack_signal); |
| |
| mt7925_mac_wtbl_update(dev, msta->wcid.idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); |
| |
| mt7925_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); |
| |
| mt792x_mutex_release(dev); |
| } |
| EXPORT_SYMBOL_GPL(mt7925_mac_sta_assoc); |
| |
| void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta) |
| { |
| struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); |
| struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; |
| |
| mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid); |
| mt76_connac_pm_wake(&dev->mphy, &dev->pm); |
| |
| mt7925_mcu_sta_update(dev, sta, vif, false, MT76_STA_INFO_STATE_NONE); |
| mt7925_mac_wtbl_update(dev, msta->wcid.idx, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| |
| if (vif->type == NL80211_IFTYPE_STATION) { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| |
| mvif->wep_sta = NULL; |
| ewma_rssi_init(&mvif->rssi); |
| if (!sta->tdls) |
| mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, sta, |
| false); |
| } |
| |
| spin_lock_bh(&mdev->sta_poll_lock); |
| if (!list_empty(&msta->wcid.poll_list)) |
| list_del_init(&msta->wcid.poll_list); |
| spin_unlock_bh(&mdev->sta_poll_lock); |
| |
| mt76_connac_power_save_sched(&dev->mphy, &dev->pm); |
| } |
| EXPORT_SYMBOL_GPL(mt7925_mac_sta_remove); |
| |
| static int mt7925_set_rts_threshold(struct ieee80211_hw *hw, u32 val) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| mt792x_mutex_acquire(dev); |
| mt7925_mcu_set_rts_thresh(&dev->phy, val); |
| mt792x_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static int |
| mt7925_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_ampdu_params *params) |
| { |
| enum ieee80211_ampdu_mlme_action action = params->action; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct ieee80211_sta *sta = params->sta; |
| struct ieee80211_txq *txq = sta->txq[params->tid]; |
| struct mt792x_sta *msta = (struct mt792x_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; |
| |
| mt792x_mutex_acquire(dev); |
| switch (action) { |
| case IEEE80211_AMPDU_RX_START: |
| mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, |
| params->buf_size); |
| mt7925_mcu_uni_rx_ba(dev, params, true); |
| break; |
| case IEEE80211_AMPDU_RX_STOP: |
| mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); |
| mt7925_mcu_uni_rx_ba(dev, params, false); |
| break; |
| case IEEE80211_AMPDU_TX_OPERATIONAL: |
| mtxq->aggr = true; |
| mtxq->send_bar = false; |
| mt7925_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->wcid.ampdu_state); |
| mt7925_mcu_uni_tx_ba(dev, params, false); |
| break; |
| case IEEE80211_AMPDU_TX_START: |
| set_bit(tid, &msta->wcid.ampdu_state); |
| ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; |
| break; |
| case IEEE80211_AMPDU_TX_STOP_CONT: |
| mtxq->aggr = false; |
| clear_bit(tid, &msta->wcid.ampdu_state); |
| mt7925_mcu_uni_tx_ba(dev, params, false); |
| ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
| break; |
| } |
| mt792x_mutex_release(dev); |
| |
| return ret; |
| } |
| |
| static bool is_valid_alpha2(const char *alpha2) |
| { |
| if (!alpha2) |
| return false; |
| |
| if (alpha2[0] == '0' && alpha2[1] == '0') |
| return true; |
| |
| if (isalpha(alpha2[0]) && isalpha(alpha2[1])) |
| return true; |
| |
| return false; |
| } |
| |
| void mt7925_scan_work(struct work_struct *work) |
| { |
| struct mt792x_phy *phy; |
| |
| phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy, |
| scan_work.work); |
| |
| while (true) { |
| struct mt76_dev *mdev = &phy->dev->mt76; |
| struct sk_buff *skb; |
| struct tlv *tlv; |
| int tlv_len; |
| |
| spin_lock_bh(&phy->dev->mt76.lock); |
| skb = __skb_dequeue(&phy->scan_event_list); |
| spin_unlock_bh(&phy->dev->mt76.lock); |
| |
| if (!skb) |
| break; |
| |
| skb_pull(skb, sizeof(struct mt7925_mcu_rxd) + 4); |
| tlv = (struct tlv *)skb->data; |
| tlv_len = skb->len; |
| |
| while (tlv_len > 0 && le16_to_cpu(tlv->len) <= tlv_len) { |
| struct mt7925_mcu_scan_chinfo_event *evt; |
| |
| switch (le16_to_cpu(tlv->tag)) { |
| case UNI_EVENT_SCAN_DONE_BASIC: |
| 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); |
| } |
| break; |
| case UNI_EVENT_SCAN_DONE_CHNLINFO: |
| evt = (struct mt7925_mcu_scan_chinfo_event *)tlv->data; |
| |
| if (!is_valid_alpha2(evt->alpha2)) |
| break; |
| |
| if (mdev->alpha2[0] != '0' && mdev->alpha2[1] != '0') |
| break; |
| |
| mt7925_mcu_set_clc(phy->dev, evt->alpha2, ENVIRON_INDOOR); |
| |
| break; |
| case UNI_EVENT_SCAN_DONE_NLO: |
| ieee80211_sched_scan_results(phy->mt76->hw); |
| break; |
| default: |
| break; |
| } |
| |
| tlv_len -= le16_to_cpu(tlv->len); |
| tlv = (struct tlv *)((char *)(tlv) + le16_to_cpu(tlv->len)); |
| } |
| |
| dev_kfree_skb(skb); |
| } |
| } |
| |
| static int |
| mt7925_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_scan_request *req) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| err = mt7925_mcu_hw_scan(mphy, vif, req); |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void |
| mt7925_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| |
| mt792x_mutex_acquire(dev); |
| mt7925_mcu_cancel_hw_scan(mphy, vif); |
| mt792x_mutex_release(dev); |
| } |
| |
| static int |
| mt7925_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct cfg80211_sched_scan_request *req, |
| struct ieee80211_scan_ies *ies) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| |
| err = mt7925_mcu_sched_scan_req(mphy, vif, req); |
| if (err < 0) |
| goto out; |
| |
| err = mt7925_mcu_sched_scan_enable(mphy, vif, true); |
| out: |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int |
| mt7925_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| err = mt7925_mcu_sched_scan_enable(mphy, vif, false); |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static int |
| mt7925_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt792x_phy *phy = mt792x_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; |
| |
| mt792x_mutex_acquire(dev); |
| |
| phy->mt76->antenna_mask = tx_ant; |
| phy->mt76->chainmask = tx_ant; |
| |
| mt76_set_stream_caps(phy->mt76, true); |
| mt7925_set_stream_he_eht_caps(phy); |
| |
| /* TODO: update bmc_wtbl spe_idx when antenna changes */ |
| mt792x_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int mt7925_suspend(struct ieee80211_hw *hw, |
| struct cfg80211_wowlan *wowlan) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| |
| 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); |
| |
| mt792x_mutex_acquire(dev); |
| |
| clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt7925_mcu_set_suspend_iter, |
| &dev->mphy); |
| |
| mt792x_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static int mt7925_resume(struct ieee80211_hw *hw) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| |
| mt792x_mutex_acquire(dev); |
| |
| set_bit(MT76_STATE_RUNNING, &phy->mt76->state); |
| ieee80211_iterate_active_interfaces(hw, |
| IEEE80211_IFACE_ITER_RESUME_ALL, |
| mt7925_mcu_set_suspend_iter, |
| &dev->mphy); |
| |
| ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, |
| MT792x_WATCHDOG_TIME); |
| |
| mt792x_mutex_release(dev); |
| |
| return 0; |
| } |
| |
| static void mt7925_set_rekey_data(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct cfg80211_gtk_rekey_data *data) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| mt792x_mutex_acquire(dev); |
| mt76_connac_mcu_update_gtk_rekey(hw, vif, data); |
| mt792x_mutex_release(dev); |
| } |
| #endif /* CONFIG_PM */ |
| |
| static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| bool enabled) |
| { |
| struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| mt792x_mutex_acquire(dev); |
| |
| if (enabled) |
| set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| else |
| clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); |
| |
| mt7925_mcu_wtbl_update_hdr_trans(dev, vif, sta); |
| |
| mt792x_mutex_release(dev); |
| } |
| |
| #if IS_ENABLED(CONFIG_IPV6) |
| static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct inet6_dev *idev) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_dev *dev = mvif->phy->dev; |
| struct inet6_ifaddr *ifa; |
| struct sk_buff *skb; |
| u8 idx = 0; |
| |
| struct { |
| struct { |
| u8 bss_idx; |
| u8 pad[3]; |
| } __packed hdr; |
| struct mt7925_arpns_tlv arpns; |
| struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; |
| } req_hdr = { |
| .hdr = { |
| .bss_idx = mvif->mt76.idx, |
| }, |
| .arpns = { |
| .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), |
| .len = cpu_to_le16(sizeof(req_hdr) - 4), |
| .enable = true, |
| }, |
| }; |
| |
| read_lock_bh(&idev->lock); |
| list_for_each_entry(ifa, &idev->addr_list, if_list) { |
| if (ifa->flags & IFA_F_TENTATIVE) |
| continue; |
| req_hdr.ns_addrs[idx] = ifa->addr; |
| if (++idx >= IEEE80211_BSS_ARP_ADDR_LIST_LEN) |
| break; |
| } |
| read_unlock_bh(&idev->lock); |
| |
| if (!idx) |
| return; |
| |
| req_hdr.arpns.ips_num = idx; |
| |
| skb = __mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr), |
| 0, GFP_ATOMIC); |
| if (!skb) |
| return; |
| |
| skb_put_data(skb, &req_hdr, sizeof(req_hdr)); |
| |
| skb_queue_tail(&dev->ipv6_ns_list, skb); |
| |
| ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); |
| } |
| #endif |
| |
| int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw, |
| const struct cfg80211_sar_specs *sar) |
| { |
| struct mt76_phy *mphy = hw->priv; |
| |
| if (sar) { |
| int err = mt76_init_sar_power(hw, sar); |
| |
| if (err) |
| return err; |
| } |
| mt792x_init_acpi_sar_power(mt792x_hw_phy(hw), !sar); |
| |
| return mt7925_mcu_set_rate_txpower(mphy); |
| } |
| |
| static int mt7925_set_sar_specs(struct ieee80211_hw *hw, |
| const struct cfg80211_sar_specs *sar) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| err = mt7925_mcu_set_clc(dev, dev->mt76.alpha2, |
| dev->country_ie_env); |
| if (err < 0) |
| goto out; |
| |
| err = mt7925_set_tx_sar_pwr(hw, sar); |
| out: |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void |
| mt7925_channel_switch_beacon(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct cfg80211_chan_def *chandef) |
| { |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| |
| mt792x_mutex_acquire(dev); |
| mt7925_mcu_uni_add_beacon_offload(dev, hw, vif, true); |
| mt792x_mutex_release(dev); |
| } |
| |
| static int |
| mt7925_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *link_conf) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| |
| err = mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, |
| true); |
| if (err) |
| goto out; |
| |
| err = mt7925_mcu_set_bss_pm(dev, vif, true); |
| if (err) |
| goto out; |
| |
| err = mt7925_mcu_sta_update(dev, NULL, vif, true, |
| MT76_STA_INFO_STATE_NONE); |
| out: |
| mt792x_mutex_release(dev); |
| |
| return err; |
| } |
| |
| static void |
| mt7925_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_bss_conf *link_conf) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| int err; |
| |
| mt792x_mutex_acquire(dev); |
| |
| err = mt7925_mcu_set_bss_pm(dev, vif, false); |
| if (err) |
| goto out; |
| |
| mt7925_mcu_add_bss_info(&dev->phy, mvif->mt76.ctx, vif, NULL, |
| false); |
| |
| out: |
| mt792x_mutex_release(dev); |
| } |
| |
| static int |
| mt7925_add_chanctx(struct ieee80211_hw *hw, |
| struct ieee80211_chanctx_conf *ctx) |
| { |
| return 0; |
| } |
| |
| static void |
| mt7925_remove_chanctx(struct ieee80211_hw *hw, |
| struct ieee80211_chanctx_conf *ctx) |
| { |
| } |
| |
| static void mt7925_ctx_iter(void *priv, u8 *mac, |
| struct ieee80211_vif *vif) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct ieee80211_chanctx_conf *ctx = priv; |
| |
| if (ctx != mvif->mt76.ctx) |
| return; |
| |
| if (vif->type == NL80211_IFTYPE_MONITOR) { |
| mt7925_mcu_set_sniffer(mvif->phy->dev, vif, true); |
| mt7925_mcu_config_sniffer(mvif, ctx); |
| } else { |
| mt7925_mcu_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); |
| } |
| } |
| |
| static void |
| mt7925_change_chanctx(struct ieee80211_hw *hw, |
| struct ieee80211_chanctx_conf *ctx, |
| u32 changed) |
| { |
| struct mt792x_phy *phy = mt792x_hw_phy(hw); |
| |
| mt792x_mutex_acquire(phy->dev); |
| ieee80211_iterate_active_interfaces(phy->mt76->hw, |
| IEEE80211_IFACE_ITER_ACTIVE, |
| mt7925_ctx_iter, ctx); |
| mt792x_mutex_release(phy->dev); |
| } |
| |
| static void mt7925_mgd_prepare_tx(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_prep_tx_info *info) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| struct mt792x_dev *dev = mt792x_hw_dev(hw); |
| u16 duration = info->duration ? info->duration : |
| jiffies_to_msecs(HZ); |
| |
| mt792x_mutex_acquire(dev); |
| mt7925_set_roc(mvif->phy, mvif, mvif->mt76.ctx->def.chan, duration, |
| MT7925_ROC_REQ_JOIN); |
| mt792x_mutex_release(dev); |
| } |
| |
| static void mt7925_mgd_complete_tx(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_prep_tx_info *info) |
| { |
| struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; |
| |
| mt7925_abort_roc(mvif->phy, mvif); |
| } |
| |
| const struct ieee80211_ops mt7925_ops = { |
| .tx = mt792x_tx, |
| .start = mt7925_start, |
| .stop = mt792x_stop, |
| .add_interface = mt7925_add_interface, |
| .remove_interface = mt792x_remove_interface, |
| .config = mt7925_config, |
| .conf_tx = mt792x_conf_tx, |
| .configure_filter = mt7925_configure_filter, |
| .bss_info_changed = mt7925_bss_info_changed, |
| .start_ap = mt7925_start_ap, |
| .stop_ap = mt7925_stop_ap, |
| .sta_state = mt76_sta_state, |
| .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
| .set_key = mt7925_set_key, |
| .sta_set_decap_offload = mt7925_sta_set_decap_offload, |
| #if IS_ENABLED(CONFIG_IPV6) |
| .ipv6_addr_change = mt7925_ipv6_addr_change, |
| #endif /* CONFIG_IPV6 */ |
| .ampdu_action = mt7925_ampdu_action, |
| .set_rts_threshold = mt7925_set_rts_threshold, |
| .wake_tx_queue = mt76_wake_tx_queue, |
| .release_buffered_frames = mt76_release_buffered_frames, |
| .channel_switch_beacon = mt7925_channel_switch_beacon, |
| .get_txpower = mt76_get_txpower, |
| .get_stats = mt792x_get_stats, |
| .get_et_sset_count = mt792x_get_et_sset_count, |
| .get_et_strings = mt792x_get_et_strings, |
| .get_et_stats = mt792x_get_et_stats, |
| .get_tsf = mt792x_get_tsf, |
| .set_tsf = mt792x_set_tsf, |
| .get_survey = mt76_get_survey, |
| .get_antenna = mt76_get_antenna, |
| .set_antenna = mt7925_set_antenna, |
| .set_coverage_class = mt792x_set_coverage_class, |
| .hw_scan = mt7925_hw_scan, |
| .cancel_hw_scan = mt7925_cancel_hw_scan, |
| .sta_statistics = mt792x_sta_statistics, |
| .sched_scan_start = mt7925_start_sched_scan, |
| .sched_scan_stop = mt7925_stop_sched_scan, |
| #ifdef CONFIG_PM |
| .suspend = mt7925_suspend, |
| .resume = mt7925_resume, |
| .set_wakeup = mt792x_set_wakeup, |
| .set_rekey_data = mt7925_set_rekey_data, |
| #endif /* CONFIG_PM */ |
| .flush = mt792x_flush, |
| .set_sar_specs = mt7925_set_sar_specs, |
| .remain_on_channel = mt7925_remain_on_channel, |
| .cancel_remain_on_channel = mt7925_cancel_remain_on_channel, |
| .add_chanctx = mt7925_add_chanctx, |
| .remove_chanctx = mt7925_remove_chanctx, |
| .change_chanctx = mt7925_change_chanctx, |
| .assign_vif_chanctx = mt792x_assign_vif_chanctx, |
| .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, |
| .mgd_prepare_tx = mt7925_mgd_prepare_tx, |
| .mgd_complete_tx = mt7925_mgd_complete_tx, |
| }; |
| EXPORT_SYMBOL_GPL(mt7925_ops); |
| |
| MODULE_AUTHOR("Deren Wu <deren.wu@mediatek.com>"); |
| MODULE_DESCRIPTION("MediaTek MT7925 core driver"); |
| MODULE_LICENSE("Dual BSD/GPL"); |