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mac80211: check if atf has been disabled in __ieee80211_schedule_txq
commitc13cf5c159
upstream. 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:b4809e9484
("mac80211: Add airtime accounting and scheduling to TXQs") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Acked-by: Toke Høiland-Jørgensen <toke@toke.dk> Link: https://lore.kernel.org/r/93889406c50f1416214c079ca0b8c9faecc5143e.1608975195.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -3773,7 +3773,7 @@ void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
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* get immediately moved to the back of the list on the next
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* call to ieee80211_next_txq().
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*/
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if (txqi->txq.sta &&
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if (txqi->txq.sta && local->airtime_flags &&
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wiphy_ext_feature_isset(local->hw.wiphy,
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NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
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list_add(&txqi->schedule_order,
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