mac80211: support remain-on-channel command
This implements the new remain-on-channel cfg80211
command in mac80211, extending the work interface.
Also change the work purge code to be able to clean
up events properly (pretending they timed out.)
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 2cd880e..a7bbfc4 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -106,9 +106,13 @@
/*
* only handle non-STA interfaces here, STA interfaces
* are handled in ieee80211_offchannel_stop_station(),
- * e.g., from the background scan state machine
+ * e.g., from the background scan state machine.
+ *
+ * In addition, do not stop monitor interface to allow it to be
+ * used from user space controlled off-channel operations.
*/
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_MONITOR)
netif_stop_queue(sdata->dev);
}
mutex_unlock(&local->iflist_mtx);