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 {
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 44525f5..c923ceb 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -11,6 +11,9 @@
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
+ ieee80211_stop_queues_by_reason(hw,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+
flush_workqueue(local->hw.workqueue);
/* disable keys */
@@ -113,5 +116,8 @@
ieee80211_configure_filter(local);
netif_addr_unlock_bh(local->mdev);
+ ieee80211_wake_queues_by_reason(hw,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+
return 0;
}