diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/main.c | 1590 |
1 files changed, 1590 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c new file mode 100644 index 000000000000..5fae9a6e273c --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -0,0 +1,1590 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* Copyright (C) 2020 MediaTek Inc. */ + +#include <linux/etherdevice.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/module.h> +#include <net/ipv6.h> +#include "mt7921.h" +#include "mcu.h" + +static int +mt7921_init_he_caps(struct mt792x_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: + case NL80211_IFTYPE_AP: + 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_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; + + if (is_mt7922(phy->mt76->dev)) { + he_cap_elem->phy_cap_info[0] |= + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; + } + 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; + 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; + + if (is_mt7922(phy->mt76->dev)) { + he_cap_elem->phy_cap_info[0] |= + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; + he_cap_elem->phy_cap_info[4] |= + IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; + he_cap_elem->phy_cap_info[8] |= + IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | + IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; + } + break; + } + + he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); + he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); + if (is_mt7922(phy->mt76->dev)) { + 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, band); + } 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) { + 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[idx].he_6ghz_capa.capa = cpu_to_le16(cap); + } + idx++; + } + + return idx; +} + +void mt7921_set_stream_he_caps(struct mt792x_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; + _ieee80211_set_sband_iftype_data(band, 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; + _ieee80211_set_sband_iftype_data(band, 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; + _ieee80211_set_sband_iftype_data(band, data, n); + } + } +} + +int __mt7921_start(struct mt792x_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 = mt7921_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); + if (mt76_is_mmio(mphy->dev)) { + err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE); + if (err) + return err; + + err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED); + if (err) + return err; + } + + if (phy->chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN) { + mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_INIT); + wiphy_rfkill_start_polling(mphy->hw->wiphy); + } + + return 0; +} +EXPORT_SYMBOL_GPL(__mt7921_start); + +static int mt7921_start(struct ieee80211_hw *hw) +{ + struct mt792x_phy *phy = mt792x_hw_phy(hw); + int err; + + mt792x_mutex_acquire(phy->dev); + err = __mt7921_start(phy); + mt792x_mutex_release(phy->dev); + + return err; +} + +static void mt7921_stop(struct ieee80211_hw *hw, bool suspend) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + int err = 0; + + if (mt76_is_mmio(&dev->mt76)) { + mt792x_mutex_acquire(dev); + err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED); + mt792x_mutex_release(dev); + if (err) + return; + } + + mt792x_stop(hw, false); +} + +static int +mt7921_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->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask); + if (mvif->bss_conf.mt76.idx >= MT792x_MAX_INTERFACES) { + ret = -ENOSPC; + goto out; + } + + mvif->bss_conf.mt76.omac_idx = mvif->bss_conf.mt76.idx; + mvif->phy = phy; + mvif->bss_conf.vif = mvif; + mvif->bss_conf.mt76.band_idx = 0; + mvif->bss_conf.mt76.wmm_idx = mvif->bss_conf.mt76.idx % MT76_CONNAC_MAX_WMM_SETS; + + ret = mt76_connac_mcu_uni_add_dev(&dev->mphy, &vif->bss_conf, + &mvif->bss_conf.mt76, + &mvif->sta.deflink.wcid, true); + if (ret) + goto out; + + dev->mt76.vif_mask |= BIT_ULL(mvif->bss_conf.mt76.idx); + phy->omac_mask |= BIT_ULL(mvif->bss_conf.mt76.omac_idx); + + idx = MT792x_WTBL_RESERVED - mvif->bss_conf.mt76.idx; + + INIT_LIST_HEAD(&mvif->sta.deflink.wcid.poll_list); + mvif->sta.deflink.wcid.idx = idx; + mvif->sta.deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; + mt76_wcid_init(&mvif->sta.deflink.wcid, mvif->bss_conf.mt76.band_idx); + + mt7921_mac_wtbl_update(dev, idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + + ewma_rssi_init(&mvif->bss_conf.rssi); + + rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.deflink.wcid); + if (vif->txq) { + mtxq = (struct mt76_txq *)vif->txq->drv_priv; + mtxq->wcid = idx; + } + + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + if (phy->chip_cap & MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN) + vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI; + + INIT_WORK(&mvif->csa_work, mt7921_csa_work); + timer_setup(&mvif->csa_timer, mt792x_csa_timer, 0); +out: + mt792x_mutex_release(dev); + + return ret; +} + +static void mt7921_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; + + mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); +} + +void mt7921_roc_abort_sync(struct mt792x_dev *dev) +{ + struct mt792x_phy *phy = &dev->phy; + + timer_delete_sync(&phy->roc_timer); + cancel_work_sync(&phy->roc_work); + if (test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) + ieee80211_iterate_interfaces(mt76_hw(dev), + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7921_roc_iter, (void *)phy); +} +EXPORT_SYMBOL_GPL(mt7921_roc_abort_sync); + +void mt7921_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, + mt7921_roc_iter, phy); + mt792x_mutex_release(phy->dev); + ieee80211_remain_on_channel_expired(phy->mt76->hw); +} + +static int mt7921_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif) +{ + int err = 0; + + timer_delete_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 = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); + mt792x_mutex_release(phy->dev); + + return err; +} + +static int mt7921_set_roc(struct mt792x_phy *phy, + struct mt792x_vif *vif, + struct ieee80211_channel *chan, + int duration, + enum mt7921_roc_req type) +{ + int err; + + if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state)) + return -EBUSY; + + phy->roc_grant = false; + + err = mt7921_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, HZ)) { + mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); + clear_bit(MT76_STATE_ROC, &phy->mt76->state); + err = -ETIMEDOUT; + } + +out: + return err; +} + +static int mt7921_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 = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); + mt792x_mutex_release(phy->dev); + + return err; +} + +static int mt7921_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 mt7921_abort_roc(phy, mvif); +} + +int mt7921_set_channel(struct mt76_phy *mphy) +{ + struct mt792x_phy *phy = mphy->priv; + struct mt792x_dev *dev = phy->dev; + int ret; + + mt76_connac_pm_wake(mphy, &dev->pm); + ret = mt7921_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH)); + if (ret) + goto out; + + mt792x_mac_set_timeing(phy); + mt792x_mac_reset_counters(phy); + phy->noise = 0; + +out: + mt76_connac_power_save_sched(mphy, &dev->pm); + + ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, + MT792x_WATCHDOG_TIME); + + return ret; +} +EXPORT_SYMBOL_GPL(mt7921_set_channel); + +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 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->deflink.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) { + *wcid_keyidx = idx; + } else { + if (idx == *wcid_keyidx) + *wcid_keyidx = -1; + + /* For security issue we don't trigger the key deletion when + * reassociating. But we should trigger the deletion process + * to avoid using incorrect cipher after disconnection, + */ + if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc) + goto out; + } + + mt76_wcid_key_setup(&dev->mt76, wcid, key); + err = mt76_connac_mcu_add_key(&dev->mt76, vif, &msta->deflink.bip, + key, MCU_UNI_CMD(STA_REC_UPDATE), + &msta->deflink.wcid, cmd); + if (err) + goto out; + + if (key->cipher == WLAN_CIPHER_SUITE_WEP104 || + key->cipher == WLAN_CIPHER_SUITE_WEP40) + err = mt76_connac_mcu_add_key(&dev->mt76, vif, + &mvif->wep_sta->deflink.bip, + key, MCU_UNI_CMD(STA_REC_UPDATE), + &mvif->wep_sta->deflink.wcid, cmd); +out: + mt792x_mutex_release(dev); + + return err; +} + +static void +mt7921_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 = mt7921_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 +mt7921_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); + + mt7921_mcu_set_sniffer(dev, vif, monitor); + pm->enable = pm->enable_user && !monitor; + pm->ds_enable = pm->ds_enable_user && !monitor; + + mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); + + if (monitor) + mt7921_mcu_set_beacon_filter(dev, vif, false); +} + +void mt7921_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, + mt7921_pm_interface_iter, dev); + pm->ds_enable = pm->ds_enable_user && !monitor; + mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); +} + +static int mt7921_config(struct ieee80211_hw *hw, int radio_idx, u32 changed) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + struct mt792x_phy *phy = mt792x_hw_phy(hw); + int ret = 0; + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ret = mt76_update_channel(phy->mt76); + if (ret) + return ret; + } + + mt792x_mutex_acquire(dev); + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + ret = mt7921_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, + mt7921_sniffer_interface_iter, dev); + } + +out: + mt792x_mutex_release(dev); + + return ret; +} + +static void mt7921_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ +#define MT7921_FILTER_FCSFAIL BIT(2) +#define MT7921_FILTER_CONTROL BIT(5) +#define MT7921_FILTER_OTHER_BSS BIT(6) +#define MT7921_FILTER_ENABLE BIT(31) + + struct mt792x_dev *dev = mt792x_hw_dev(hw); + u32 flags = MT7921_FILTER_ENABLE; + +#define MT7921_FILTER(_fif, _type) do { \ + if (*total_flags & (_fif)) \ + flags |= MT7921_FILTER_##_type; \ + } while (0) + + MT7921_FILTER(FIF_FCSFAIL, FCSFAIL); + MT7921_FILTER(FIF_CONTROL, CONTROL); + MT7921_FILTER(FIF_OTHER_BSS, OTHER_BSS); + + mt792x_mutex_acquire(dev); + mt7921_mcu_set_rxfilter(dev, flags, 0, 0); + mt792x_mutex_release(dev); + + *total_flags &= (FIF_OTHER_BSS | FIF_FCSFAIL | FIF_CONTROL); +} + +static void mt7921_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u64 changed) +{ + 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_BEACON | + BSS_CHANGED_BEACON_ENABLED)) + mt7921_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)) + mt7921_mcu_set_tx(dev, vif); + + if (changed & BSS_CHANGED_PS) + mt7921_mcu_uni_bss_ps(dev, vif); + + if (changed & BSS_CHANGED_CQM) + mt7921_mcu_set_rssimonitor(dev, vif); + + if (changed & BSS_CHANGED_ASSOC) { + mt7921_mcu_sta_update(dev, NULL, vif, true, + MT76_STA_INFO_STATE_ASSOC); + mt7921_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; + + mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->bss_conf.mt76, + info); + } + + mt792x_mutex_release(dev); +} + +static void +mt7921_calc_vif_num(void *priv, u8 *mac, struct ieee80211_vif *vif) +{ + u32 *num = priv; + + if (!priv) + return; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + *num += 1; + break; + default: + break; + } +} + +static void +mt7921_regd_set_6ghz_power_type(struct ieee80211_vif *vif, bool is_add) +{ + struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; + struct mt792x_phy *phy = mvif->phy; + struct mt792x_dev *dev = phy->dev; + u32 valid_vif_num = 0; + + ieee80211_iterate_active_interfaces(mt76_hw(dev), + IEEE80211_IFACE_ITER_RESUME_ALL, + mt7921_calc_vif_num, &valid_vif_num); + + if (valid_vif_num > 1) { + phy->power_type = MT_AP_DEFAULT; + goto out; + } + + if (!is_add) + vif->bss_conf.power_type = IEEE80211_REG_UNSET_AP; + + switch (vif->bss_conf.power_type) { + case IEEE80211_REG_SP_AP: + phy->power_type = MT_AP_SP; + break; + case IEEE80211_REG_VLP_AP: + phy->power_type = MT_AP_VLP; + break; + case IEEE80211_REG_LPI_AP: + phy->power_type = MT_AP_LPI; + break; + case IEEE80211_REG_UNSET_AP: + phy->power_type = MT_AP_UNSET; + break; + default: + phy->power_type = MT_AP_DEFAULT; + break; + } + +out: + mt7921_mcu_set_clc(dev, dev->mt76.alpha2, dev->country_ie_env); +} + +int mt7921_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->deflink.wcid.poll_list); + msta->vif = mvif; + msta->deflink.wcid.sta = 1; + msta->deflink.wcid.idx = idx; + msta->deflink.wcid.phy_idx = mvif->bss_conf.mt76.band_idx; + msta->deflink.wcid.tx_info |= MT_WCID_TX_INFO_SET; + msta->deflink.last_txs = jiffies; + msta->deflink.sta = msta; + + 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; + + mt7921_regd_set_6ghz_power_type(vif, true); + + mt76_connac_power_save_sched(&dev->mphy, &dev->pm); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7921_mac_sta_add); + +int mt7921_mac_sta_event(struct mt76_dev *mdev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, enum mt76_sta_event ev) +{ + 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; + + if (ev != MT76_STA_EVENT_ASSOC) + return 0; + + mt792x_mutex_acquire(dev); + + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) + mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.deflink.wcid, + true, mvif->bss_conf.mt76.ctx); + + ewma_avg_signal_init(&msta->deflink.avg_ack_signal); + + mt7921_mac_wtbl_update(dev, msta->deflink.wcid.idx, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + memset(msta->deflink.airtime_ac, 0, sizeof(msta->deflink.airtime_ac)); + + mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); + + mt792x_mutex_release(dev); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7921_mac_sta_event); + +void mt7921_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; + + mt7921_roc_abort_sync(dev); + mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->deflink.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->deflink.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->bss_conf.rssi); + if (!sta->tdls) + mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, + &mvif->sta.deflink.wcid, false, + mvif->bss_conf.mt76.ctx); + } + + spin_lock_bh(&dev->mt76.sta_poll_lock); + if (!list_empty(&msta->deflink.wcid.poll_list)) + list_del_init(&msta->deflink.wcid.poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); + + mt7921_regd_set_6ghz_power_type(vif, false); + + mt76_connac_power_save_sched(&dev->mphy, &dev->pm); +} +EXPORT_SYMBOL_GPL(mt7921_mac_sta_remove); + +static int mt7921_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, + u32 val) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + + mt792x_mutex_acquire(dev); + mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, 0); + mt792x_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 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->deflink.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->deflink.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->deflink.wcid.ampdu_state); + mt7921_mcu_uni_tx_ba(dev, params, false); + break; + case IEEE80211_AMPDU_TX_START: + set_bit(tid, &msta->deflink.wcid.ampdu_state); + ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + mtxq->aggr = false; + clear_bit(tid, &msta->deflink.wcid.ampdu_state); + mt7921_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 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 mt792x_dev *dev = mt792x_hw_dev(hw); + + if (dev->pm.ds_enable) { + mt792x_mutex_acquire(dev); + mt76_connac_sta_state_dp(&dev->mt76, old_state, new_state); + mt792x_mutex_release(dev); + } + + return mt76_sta_state(hw, vif, sta, old_state, new_state); +} + +void mt7921_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_connac2_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 mt76_connac2_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 mt792x_dev *dev = mt792x_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + int err; + + mt792x_mutex_acquire(dev); + err = mt76_connac_mcu_hw_scan(mphy, vif, req); + mt792x_mutex_release(dev); + + return err; +} + +static void +mt7921_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); + mt76_connac_mcu_cancel_hw_scan(mphy, vif); + mt792x_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 mt792x_dev *dev = mt792x_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + int err; + + mt792x_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: + mt792x_mutex_release(dev); + + return err; +} + +static int +mt7921_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 = mt76_connac_mcu_sched_scan_enable(mphy, vif, false); + mt792x_mutex_release(dev); + + return err; +} + +static int +mt7921_set_antenna(struct ieee80211_hw *hw, int radio_idx, + 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) + return -EINVAL; + + mt792x_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); + + mt792x_mutex_release(dev); + + return 0; +} + +#ifdef CONFIG_PM +static int mt7921_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, + mt7921_mcu_set_suspend_iter, + &dev->mphy); + + mt792x_mutex_release(dev); + + return 0; +} + +static int mt7921_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, + mt76_connac_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 mt7921_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 mt7921_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); + + if (!msta->deflink.wcid.sta) + return; + + mt792x_mutex_acquire(dev); + + if (enabled) + set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); + else + clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->deflink.wcid.flags); + + mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->deflink.wcid, + MCU_UNI_CMD(STA_REC_UPDATE)); + + mt792x_mutex_release(dev); +} + +#if IS_ENABLED(CONFIG_IPV6) +static void mt7921_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 = mt792x_hw_dev(hw); + struct inet6_ifaddr *ifa; + struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN]; + struct sk_buff *skb; + u8 i, idx = 0; + + struct { + struct { + u8 bss_idx; + u8 pad[3]; + } __packed hdr; + struct mt76_connac_arpns_tlv arpns; + } req_hdr = { + .hdr = { + .bss_idx = mvif->bss_conf.mt76.idx, + }, + .arpns = { + .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), + .mode = 2, /* update */ + .option = 1, /* update only */ + }, + }; + + read_lock_bh(&idev->lock); + list_for_each_entry(ifa, &idev->addr_list, if_list) { + if (ifa->flags & IFA_F_TENTATIVE) + continue; + 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; + req_hdr.arpns.len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv) + + idx * sizeof(struct in6_addr)); + skb = __mt76_mcu_msg_alloc(&dev->mt76, &req_hdr, + sizeof(req_hdr) + idx * sizeof(struct in6_addr), + sizeof(req_hdr), GFP_ATOMIC); + if (!skb) + return; + + for (i = 0; i < idx; i++) + skb_put_data(skb, &ns_addrs[i].in6_u, sizeof(struct in6_addr)); + + skb_queue_tail(&dev->ipv6_ns_list, skb); + + ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work); +} +#endif + +int mt7921_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 mt76_connac_mcu_set_rate_txpower(mphy); +} + +static int mt7921_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 = mt7921_mcu_set_clc(dev, dev->mt76.alpha2, + dev->country_ie_env); + if (err < 0) + goto out; + + err = mt7921_set_tx_sar_pwr(hw, sar); +out: + mt792x_mutex_release(dev); + + return err; +} + +static void +mt7921_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); + mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); + mt792x_mutex_release(dev); +} + +static int +mt7921_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_phy *phy = mt792x_hw_phy(hw); + struct mt792x_dev *dev = mt792x_hw_dev(hw); + int err; + + mt792x_mutex_acquire(dev); + + err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, + true, mvif->bss_conf.mt76.ctx); + if (err) + goto out; + + err = mt7921_mcu_set_bss_pm(dev, vif, true); + if (err) + goto out; + + err = mt7921_mcu_sta_update(dev, NULL, vif, true, + MT76_STA_INFO_STATE_NONE); +out: + mt792x_mutex_release(dev); + + return err; +} + +static void +mt7921_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_phy *phy = mt792x_hw_phy(hw); + struct mt792x_dev *dev = mt792x_hw_dev(hw); + int err; + + mt792x_mutex_acquire(dev); + + err = mt7921_mcu_set_bss_pm(dev, vif, false); + if (err) + goto out; + + mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.deflink.wcid, false, + mvif->bss_conf.mt76.ctx); + +out: + mt792x_mutex_release(dev); +} + +static int +mt7921_add_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + + dev->new_ctx = ctx; + return 0; +} + +static void +mt7921_remove_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + + if (dev->new_ctx == ctx) + dev->new_ctx = NULL; +} + +static void +mt7921_change_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx, + u32 changed) +{ + struct mt792x_chanctx *mctx = (struct mt792x_chanctx *)ctx->drv_priv; + struct mt792x_phy *phy = mt792x_hw_phy(hw); + struct ieee80211_vif *vif; + struct mt792x_vif *mvif; + + if (!mctx->bss_conf) + return; + + mvif = container_of(mctx->bss_conf, struct mt792x_vif, bss_conf); + vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); + + mt792x_mutex_acquire(phy->dev); + if (vif->type == NL80211_IFTYPE_MONITOR) + mt7921_mcu_config_sniffer(mvif, ctx); + else + mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, ctx); + mt792x_mutex_release(phy->dev); +} + +static void mt7921_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); + mt7921_set_roc(mvif->phy, mvif, mvif->bss_conf.mt76.ctx->def.chan, duration, + MT7921_ROC_REQ_JOIN); + mt792x_mutex_release(dev); +} + +static void mt7921_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; + + mt7921_abort_roc(mvif->phy, mvif); +} + +static int mt7921_switch_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif_chanctx_switch *vifs, + int n_vifs, + enum ieee80211_chanctx_switch_mode mode) +{ + return mt792x_assign_vif_chanctx(hw, vifs->vif, vifs->link_conf, + vifs->new_ctx); +} + +void mt7921_csa_work(struct work_struct *work) +{ + struct mt792x_vif *mvif; + struct mt792x_dev *dev; + struct ieee80211_vif *vif; + int ret; + + mvif = (struct mt792x_vif *)container_of(work, struct mt792x_vif, + csa_work); + dev = mvif->phy->dev; + vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv); + + mt792x_mutex_acquire(dev); + ret = mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->bss_conf.mt76, + dev->new_ctx); + mt792x_mutex_release(dev); + + ieee80211_chswitch_done(vif, !ret, 0); +} + +static int mt7921_pre_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) + return -EOPNOTSUPP; + + if (!cfg80211_chandef_usable(hw->wiphy, &chsw->chandef, + IEEE80211_CHAN_DISABLED)) + return -EOPNOTSUPP; + + return 0; +} + +static void mt7921_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; + u16 beacon_interval = vif->bss_conf.beacon_int; + + mvif->csa_timer.expires = TU_TO_EXP_TIME(beacon_interval * chsw->count); + add_timer(&mvif->csa_timer); +} + +static void mt7921_abort_channel_switch(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf) +{ + struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; + + timer_delete_sync(&mvif->csa_timer); + cancel_work_sync(&mvif->csa_work); +} + +static void mt7921_channel_switch_rx_beacon(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *chsw) +{ + struct mt792x_dev *dev = mt792x_hw_dev(hw); + struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; + u16 beacon_interval = vif->bss_conf.beacon_int; + + if (cfg80211_chandef_identical(&chsw->chandef, + &dev->new_ctx->def) && + chsw->count) { + mod_timer(&mvif->csa_timer, + TU_TO_EXP_TIME(beacon_interval * chsw->count)); + } +} + +static void mt7921_rfkill_poll(struct ieee80211_hw *hw) +{ + struct mt792x_phy *phy = mt792x_hw_phy(hw); + int ret = 0; + + mt792x_mutex_acquire(phy->dev); + ret = mt7921_mcu_wf_rf_pin_ctrl(phy, WF_RF_PIN_POLL); + mt792x_mutex_release(phy->dev); + + wiphy_rfkill_set_hw_state(hw->wiphy, ret ? false : true); +} + +const struct ieee80211_ops mt7921_ops = { + .tx = mt792x_tx, + .start = mt7921_start, + .stop = mt7921_stop, + .add_interface = mt7921_add_interface, + .remove_interface = mt792x_remove_interface, + .config = mt7921_config, + .conf_tx = mt792x_conf_tx, + .configure_filter = mt7921_configure_filter, + .bss_info_changed = mt7921_bss_info_changed, + .start_ap = mt7921_start_ap, + .stop_ap = mt7921_stop_ap, + .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, +#if IS_ENABLED(CONFIG_IPV6) + .ipv6_addr_change = mt7921_ipv6_addr_change, +#endif /* CONFIG_IPV6 */ + .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, + .channel_switch_beacon = mt7921_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 = mt7921_set_antenna, + .set_coverage_class = mt792x_set_coverage_class, + .hw_scan = mt7921_hw_scan, + .cancel_hw_scan = mt7921_cancel_hw_scan, + .sta_statistics = mt792x_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 = mt792x_set_wakeup, + .set_rekey_data = mt7921_set_rekey_data, +#endif /* CONFIG_PM */ + .flush = mt792x_flush, + .set_sar_specs = mt7921_set_sar_specs, + .rfkill_poll = mt7921_rfkill_poll, + .remain_on_channel = mt7921_remain_on_channel, + .cancel_remain_on_channel = mt7921_cancel_remain_on_channel, + .add_chanctx = mt7921_add_chanctx, + .remove_chanctx = mt7921_remove_chanctx, + .change_chanctx = mt7921_change_chanctx, + .assign_vif_chanctx = mt792x_assign_vif_chanctx, + .unassign_vif_chanctx = mt792x_unassign_vif_chanctx, + .mgd_prepare_tx = mt7921_mgd_prepare_tx, + .mgd_complete_tx = mt7921_mgd_complete_tx, + .switch_vif_chanctx = mt7921_switch_vif_chanctx, + .pre_channel_switch = mt7921_pre_channel_switch, + .channel_switch = mt7921_channel_switch, + .abort_channel_switch = mt7921_abort_channel_switch, + .channel_switch_rx_beacon = mt7921_channel_switch_rx_beacon, +}; +EXPORT_SYMBOL_GPL(mt7921_ops); + +MODULE_DESCRIPTION("MediaTek MT7921 core driver"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>"); |