mac80211: stop queues across suspend/resume

Even though userland probably cannot submit packets, there might
still be some coming, and that's no good when the driver doesn't
expect them. Stop the queues across suspend/resume.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index fbb91f1..ad12c2a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -598,6 +598,7 @@
 	IEEE80211_QUEUE_STOP_REASON_PS,
 	IEEE80211_QUEUE_STOP_REASON_CSA,
 	IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
+	IEEE80211_QUEUE_STOP_REASON_SUSPEND,
 };
 
 struct ieee80211_master_priv {