Patch "mac80211: unconditionally start new netdev queues with iTXQ support" has been added to the 4.9-stable tree

Patch "mac80211: unconditionally start new netdev queues with iTXQ support" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    mac80211: unconditionally start new netdev queues with iTXQ support

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     mac80211-unconditionally-start-new-netdev-queues-with-itxq-support.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 7d65f82954dadbbe7b6e1aec7e07ad17bc6d958b Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 29 Mar 2017 14:15:24 +0200
Subject: mac80211: unconditionally start new netdev queues with iTXQ support

From: Johannes Berg <johannes.berg@intel.com>

commit 7d65f82954dadbbe7b6e1aec7e07ad17bc6d958b upstream.

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.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/mac80211/iface.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -726,7 +726,8 @@ 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) {


Patches currently in stable-queue which might be from johannes.berg@intel.com are

queue-4.9/cfg80211-check-rdev-resume-callback-only-for-registered-wiphy.patch
queue-4.9/mac80211-unconditionally-start-new-netdev-queues-with-itxq-support.patch