| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sean Wang | 7117 | 77.61% | 33 | 30.56% |
| Lorenzo Bianconi | 1435 | 15.65% | 48 | 44.44% |
| Deren Wu | 429 | 4.68% | 5 | 4.63% |
| YN Chen | 83 | 0.91% | 2 | 1.85% |
| Quan Zhou | 28 | 0.31% | 1 | 0.93% |
| Felix Fietkau | 21 | 0.23% | 2 | 1.85% |
| Johannes Berg | 15 | 0.16% | 7 | 6.48% |
| Sara Sharon | 12 | 0.13% | 1 | 0.93% |
| Ben Greear | 8 | 0.09% | 1 | 0.93% |
| Miri Korenblit | 6 | 0.07% | 1 | 0.93% |
| Shayne Chen | 4 | 0.04% | 1 | 0.93% |
| Janusz Dziedzic | 3 | 0.03% | 1 | 0.93% |
| Evelyn Tsai | 3 | 0.03% | 1 | 0.93% |
| Ryder Lee | 2 | 0.02% | 1 | 0.93% |
| Colin Ian King | 2 | 0.02% | 1 | 0.93% |
| Gustavo A. R. Silva | 1 | 0.01% | 1 | 0.93% |
| Randy Dunlap | 1 | 0.01% | 1 | 0.93% |
| Total | 9170 | 108 |
// 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 <net/ipv6.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 */ static const 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: 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; 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[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) { mt7921_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) { 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 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 = mt7921_set_tx_sar_pwr(mphy->hw, NULL); 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; } 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); cancel_work_sync(&dev->reset_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); } EXPORT_SYMBOL_GPL(mt7921_stop); 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 = __ffs64(~dev->mt76.vif_mask); 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 % MT76_CONNAC_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_ULL(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.phy_idx = 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 = idx; } vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 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_ULL(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 void mt7921_roc_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_phy *phy = priv; mt7921_mcu_abort_roc(phy, mvif, phy->roc_token_id); } void mt7921_roc_work(struct work_struct *work) { struct mt7921_phy *phy; phy = (struct mt7921_phy *)container_of(work, struct mt7921_phy, roc_work); if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) return; mt7921_mutex_acquire(phy->dev); ieee80211_iterate_active_interfaces(phy->mt76->hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt7921_roc_iter, phy); mt7921_mutex_release(phy->dev); ieee80211_remain_on_channel_expired(phy->mt76->hw); } void mt7921_roc_timer(struct timer_list *timer) { struct mt7921_phy *phy = from_timer(phy, timer, roc_timer); ieee80211_queue_work(phy->mt76->hw, &phy->roc_work); } static int mt7921_abort_roc(struct mt7921_phy *phy, struct mt7921_vif *vif) { int err; if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) return 0; del_timer_sync(&phy->roc_timer); cancel_work_sync(&phy->roc_work); err = mt7921_mcu_abort_roc(phy, vif, phy->roc_token_id); clear_bit(MT76_STATE_ROC, &phy->mt76->state); return err; } static int mt7921_set_roc(struct mt7921_phy *phy, struct mt7921_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 mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_phy *phy = mt7921_hw_phy(hw); int err; mt7921_mutex_acquire(phy->dev); err = mt7921_set_roc(phy, mvif, chan, duration, MT7921_ROC_REQ_ROC); mt7921_mutex_release(phy->dev); return err; } static int mt7921_cancel_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_phy *phy = mt7921_hw_phy(hw); int err; mt7921_mutex_acquire(phy->dev); err = mt7921_abort_roc(phy, mvif); mt7921_mutex_release(phy->dev); return err; } 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 = mt76_connac_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 = mt76_connac_mcu_add_key(&dev->mt76, vif, &mvif->wep_sta->bip, key, MCU_UNI_CMD(STA_REC_UPDATE), &mvif->wep_sta->wcid, cmd); out: mt7921_mutex_release(dev); return err; } static void mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7921_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 mt7921_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 mt7921_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, u32 changed) { struct mt7921_dev *dev = mt7921_hw_dev(hw); struct mt7921_phy *phy = mt7921_hw_phy(hw); int ret = 0; 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) { 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); dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0)); } out: mt7921_mutex_release(dev); return ret; } static int mt7921_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue, const struct ieee80211_tx_queue_params *params) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; /* no need to update right away, we'll get BSS_CHANGED_QOS */ queue = mt76_connac_lmac_mapping(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); 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; \ dev->mt76.rxfilter &= ~(_hw); \ dev->mt76.rxfilter |= !(flags & FIF_##_flag) * (_hw); \ } while (0) mt7921_mutex_acquire(dev); dev->mt76.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), dev->mt76.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, u64 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); } } 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_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 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.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; 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, mvif->ctx); mt7921_mac_wtbl_update(dev, msta->wcid.idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); 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, mvif->ctx); } 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->wcid.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++] = phy->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 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 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); 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); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, mt7921_mcu_set_suspend_iter, &dev->mphy); mt7921_mutex_release(dev); return 0; } static int mt7921_resume(struct ieee80211_hw *hw) { struct mt7921_dev *dev = mt7921_hw_dev(hw); struct mt7921_phy *phy = mt7921_hw_phy(hw); mt7921_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, MT7921_WATCHDOG_TIME); mt7921_mutex_release(dev); return 0; } 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); mt7921_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); mt76_connac_mcu_sta_update_hdr_trans(&dev->mt76, vif, &msta->wcid, MCU_UNI_CMD(STA_REC_UPDATE)); mt7921_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 mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mvif->phy->dev; 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->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; int err; if (sar) { err = mt76_init_sar_power(hw, sar); if (err) return err; } mt7921_init_acpi_sar_power(mt7921_hw_phy(hw), !sar); err = mt76_connac_mcu_set_rate_txpower(mphy); return err; } static int mt7921_set_sar_specs(struct ieee80211_hw *hw, const struct cfg80211_sar_specs *sar) { struct mt7921_dev *dev = mt7921_hw_dev(hw); int err; mt7921_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: mt7921_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 mt7921_dev *dev = mt7921_hw_dev(hw); mt7921_mutex_acquire(dev); mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true); mt7921_mutex_release(dev); } static int mt7921_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_phy *phy = mt7921_hw_phy(hw); struct mt7921_dev *dev = mt7921_hw_dev(hw); int err; mt7921_mutex_acquire(dev); err = mt76_connac_mcu_uni_add_bss(phy->mt76, vif, &mvif->sta.wcid, true, mvif->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: mt7921_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 mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_phy *phy = mt7921_hw_phy(hw); struct mt7921_dev *dev = mt7921_hw_dev(hw); int err; mt7921_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.wcid, false, mvif->ctx); out: mt7921_mutex_release(dev); } static int mt7921_add_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { return 0; } static void mt7921_remove_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { } static void mt7921_ctx_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct ieee80211_chanctx_conf *ctx = priv; if (ctx != mvif->ctx) return; mt76_connac_mcu_uni_set_chctx(mvif->phy->mt76, &mvif->mt76, ctx); } static void mt7921_change_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx, u32 changed) { struct mt7921_phy *phy = mt7921_hw_phy(hw); mt7921_mutex_acquire(phy->dev); ieee80211_iterate_active_interfaces(phy->mt76->hw, IEEE80211_IFACE_ITER_ACTIVE, mt7921_ctx_iter, ctx); mt7921_mutex_release(phy->dev); } static int mt7921_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf, struct ieee80211_chanctx_conf *ctx) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mt7921_hw_dev(hw); mutex_lock(&dev->mt76.mutex); mvif->ctx = ctx; mutex_unlock(&dev->mt76.mutex); return 0; } static void mt7921_unassign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *link_conf, struct ieee80211_chanctx_conf *ctx) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mt7921_hw_dev(hw); mutex_lock(&dev->mt76.mutex); mvif->ctx = NULL; mutex_unlock(&dev->mt76.mutex); } static void mt7921_mgd_prepare_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_prep_tx_info *info) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mt7921_hw_dev(hw); u16 duration = info->duration ? info->duration : jiffies_to_msecs(HZ); mt7921_mutex_acquire(dev); mt7921_set_roc(mvif->phy, mvif, mvif->ctx->def.chan, duration, MT7921_ROC_REQ_JOIN); mt7921_mutex_release(dev); } static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_prep_tx_info *info) { struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; struct mt7921_dev *dev = mt7921_hw_dev(hw); mt7921_mutex_acquire(dev); mt7921_abort_roc(mvif->phy, mvif); mt7921_mutex_release(dev); } 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, .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 = 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, .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 = mt7921_assign_vif_chanctx, .unassign_vif_chanctx = mt7921_unassign_vif_chanctx, .mgd_prepare_tx = mt7921_mgd_prepare_tx, .mgd_complete_tx = mt7921_mgd_complete_tx, }; EXPORT_SYMBOL_GPL(mt7921_ops); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
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