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    Subject[PATCH 6.0 705/862] wifi: mt76: mt7921: reset msta->airtime_ac while clearing up hw value
    Date
    From: Sean Wang <sean.wang@mediatek.com>

    [ Upstream commit 1bf66dc31032ff5292f4d5b76436653f269fcfbd ]

    We should reset mstat->airtime_ac along with clear up the entries in the
    hardware WLAN table for the Rx and Rx accumulative airtime. Otherwsie, the
    value msta->airtime_ac - [tx, rx]_last may be a negative and that is not
    the actual airtime the device took in the last run.

    Reported-by: YN Chen <YN.Chen@mediatek.com>
    Signed-off-by: Sean Wang <sean.wang@mediatek.com>
    Signed-off-by: Felix Fietkau <nbd@nbd.name>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/mediatek/mt76/mt7921/main.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
    index 7214735011d0..c9e9a533289f 100644
    --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
    +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
    @@ -752,6 +752,7 @@ void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,

    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);

    --
    2.35.1


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