mac80211: unconditionally start new netdev queues with iTXQ support
authorJohannes Berg <johannes.berg@intel.com>
Wed, 29 Mar 2017 12:15:24 +0000 (14:15 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 29 Mar 2017 12:20:40 +0000 (14:20 +0200)
When internal mac80211 TXQs aren't supported, netdev queues must
always started out started even when driver queues are stopped
while the interface is added. This is necessary because with the
internal TXQ support netdev queues are never stopped and packet
scheduling/dropping is done in mac80211.

Cc: stable@vger.kernel.org # 4.9+
Fixes: 80a83cfc434b1 ("mac80211: skip netdev queue control with software queuing")
Reported-and-tested-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/iface.c

index 40813dd3301c600978374e259953ca5d661022ce..5bb0c501281954dfe656c5e886c9032b958061be 100644 (file)
@@ -718,7 +718,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
        ieee80211_recalc_ps(local);
 
        if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
-           sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
+           sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+           local->ops->wake_tx_queue) {
                /* XXX: for AP_VLAN, actually track AP queues */
                netif_tx_start_all_queues(dev);
        } else if (dev) {