nl80211: add a parameter for using 4-address frames on virtual interfaces

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ff67865..1ee41e4 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -206,10 +206,12 @@
  * struct vif_params - describes virtual interface parameters
  * @mesh_id: mesh ID to use
  * @mesh_id_len: length of the mesh ID
+ * @use_4addr: use 4-address frames
  */
 struct vif_params {
        u8 *mesh_id;
        int mesh_id_len;
+       int use_4addr;
 };
 
 /**