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Re: [PATCH] ath10k: fix not registering airtime of 11a station with WMM disable

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ieee80211_sta_register_airtime uses ieee80211_ac_from_tid(tid) which
already applies a mask, so should be returning IEEE80211_AC_BE = 2
already, there has been recent changes to some of this so maybe I'm
looking at the wrong decision but I don't think this change makes a
difference

On Wed, Feb 19, 2020 at 8:02 PM Yibo Zhao <yiboz@xxxxxxxxxxxxxx> wrote:
>
> The tid of 11a station with WMM disable reported by FW is 0x10 in
> tx completion. The tid 16 is mapped to a NULL txq since buffer
> MMPDU capbility is not supported. Then 11a station's airtime will
> not be registered due to NULL txq check. As a results, airtime of
> 11a station keeps unchanged in debugfs system.
>
> Mask the tid along with IEEE80211_QOS_CTL_TID_MASK to make it in
> the valid range.
>
> Hardwares tested : QCA9984
> Firmwares tested : 10.4-3.10-00047
>
> Signed-off-by: Yibo Zhao <yiboz@xxxxxxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/ath10k/htt_rx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
> index 38a5814..f883f2a 100644
> --- a/drivers/net/wireless/ath/ath10k/htt_rx.c
> +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
> @@ -2744,7 +2744,8 @@ static void ath10k_htt_rx_tx_compl_ind(struct ath10k *ar,
>                         continue;
>                 }
>
> -               tid = FIELD_GET(HTT_TX_PPDU_DUR_INFO0_TID_MASK, info0);
> +               tid = FIELD_GET(HTT_TX_PPDU_DUR_INFO0_TID_MASK, info0) &
> +                                               IEEE80211_QOS_CTL_TID_MASK;
>                 tx_duration = __le32_to_cpu(ppdu_dur->tx_duration);
>
>                 ieee80211_sta_register_airtime(peer->sta, tid, tx_duration, 0);
> --
> 1.9.1



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