diff --git a/umac/mlme/include/wlan_vdev_mlme.h b/umac/mlme/include/wlan_vdev_mlme.h
index d244f66ee58a..d18466dbea35 100644
--- a/umac/mlme/include/wlan_vdev_mlme.h
+++ b/umac/mlme/include/wlan_vdev_mlme.h
@@ -43,6 +43,16 @@ struct vdev_mlme_obj;
 #define WLAN_VDEV_MLME_SUBTYPE_PROXY_STA 0x4
 #define WLAN_VDEV_MLME_SUBTYPE_MESH 0x5
 
+/* new subtype for 11S mesh is required as 11S functionality differs
+ * in many ways from proprietary mesh
+ * 11S uses 6-addr frame format and supports peering between mesh
+ * stations and dynamic best path selection between mesh stations.
+ * While in proprietary mesh, neighboring mesh station MAC is manually
+ * added to AST table for traffic flow between mesh stations
+ */
+#define WLAN_VDEV_MLME_SUBTYPE_MESH_11S   0x6
+#define WLAN_VDEV_MLME_SUBTYPE_SMART_MONITOR 0x7
+
 /* vdev control flags (per bits) */
 #define WLAN_VDEV_MLME_FLAGS_NON_MBSSID_AP      0x00000001
 #define WLAN_VDEV_MLME_FLAGS_TRANSMIT_AP        0x00000002