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From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 29 Mar 2017 14:15:24 +0200
Subject: [PATCH] mac80211: unconditionally start new netdev queues with iTXQ
support
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>
---
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -727,7 +727,8 @@ int ieee80211_do_open(struct wireless_de
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) {
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