mac80211: Assign a default mesh beaconing interval.

The mesh stack was enabling beaconing without specifying an interval.  This
patch defines a default beaconing interval of 1s.

Incidentally, this fixes mesh beaconing in mac80211_hwsim devices.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2ebd74c..4241925 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -174,6 +174,7 @@
  */
 #define MESH_PATH_REFRESH_TIME			1000
 #define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
+#define MESH_DEFAULT_BEACON_INTERVAL		1000 	/* in 1024 us units */
 
 #define MESH_MAX_PREQ_RETRIES 4
 #define MESH_PATH_EXPIRE (600 * HZ)