From: Johannes Berg Date: Mon, 29 Nov 2021 13:32:39 +0000 (+0200) Subject: mac80211: mark TX-during-stop for TX in in_reconfig X-Git-Tag: accepted/tizen/unified/20230118.172025~4224 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=815ee27cfbf8184f6e30c30a0bd7055e1ece05dd;p=platform%2Fkernel%2Flinux-rpi.git mac80211: mark TX-during-stop for TX in in_reconfig commit db7205af049d230e7e0abf61c1e74c1aab40f390 upstream. Mark TXQs as having seen transmit while they were stopped if we bail out of drv_wake_tx_queue() due to reconfig, so that the queue wake after this will make them catch up. This is particularly necessary for when TXQs are used for management packets since those TXQs won't see a lot of traffic that'd make them catch up later. Cc: stable@vger.kernel.org Fixes: 4856bfd23098 ("mac80211: do not call driver wake_tx_queue op during reconfig") Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20211129152938.4573a221c0e1.I0d1d5daea3089be3fc0dccc92991b0f8c5677f0c@changeid Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index cd3731c..c336267 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1219,8 +1219,11 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local, { struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif); - if (local->in_reconfig) + /* In reconfig don't transmit now, but mark for waking later */ + if (local->in_reconfig) { + set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txq->flags); return; + } if (!check_sdata_in_driver(sdata)) return;