diff --git a/openflow_input/bsn_vport b/openflow_input/bsn_vport
index 9007bf2..4f06462 100644
--- a/openflow_input/bsn_vport
+++ b/openflow_input/bsn_vport
@@ -48,6 +48,8 @@
     /* DSCP flags are mutually exclusive */
     OF_BSN_VPORT_L2GRE_DSCP_ASSIGN = 0x2,
     OF_BSN_VPORT_L2GRE_DSCP_COPY = 0x4,
+
+    OF_BSN_VPORT_L2GRE_LOOPBACK_IS_VALID = 0x8,
 };
 
 // BSN Virtual port object header