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Re: [PATCH mac80211] mac80211: check if atf has been disabled in __ieee80211_schedule_txq

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Lorenzo Bianconi <lorenzo@xxxxxxxxxx> writes:

> Check if atf has been disabled in __ieee80211_schedule_txq() in order to
> avoid a given sta is always put to the beginning of the active_txqs list
> and never moved to the end since deficit is not decremented in
> ieee80211_sta_register_airtime()
>
> Fixes: b4809e9484da1 ("mac80211: Add airtime accounting and scheduling to TXQs")
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxx>

> ---
>  net/mac80211/tx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index 56a4d0d20a26..fa69644a14f9 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -3836,7 +3836,7 @@ void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
>  		 * get immediately moved to the back of the list on the next
>  		 * call to ieee80211_next_txq().
>  		 */
> -		if (txqi->txq.sta &&
> +		if (txqi->txq.sta && local->airtime_flags &&
>  		    wiphy_ext_feature_isset(local->hw.wiphy,
>  					    NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
>  			list_add(&txqi->schedule_order,
> -- 
> 2.29.2




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