From: Johannes Berg johannes.berg@intel.com
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 johannes.berg@intel.com Signed-off-by: Luca Coelho luciano.coelho@intel.com Link: https://lore.kernel.org/r/iwlwifi.20211129152938.4573a221c0e1.I0d1d5daea3089... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/mac80211/driver-ops.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1201,8 +1201,11 @@ static inline void drv_wake_tx_queue(str { 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;