-extern const struct vport_ops netdev_vport_ops;
-extern const struct vport_ops internal_vport_ops;
-extern const struct vport_ops patch_vport_ops;
-extern const struct vport_ops gre_vport_ops;
-extern const struct vport_ops capwap_vport_ops;
+extern const struct vport_ops ovs_netdev_vport_ops;
+extern const struct vport_ops ovs_internal_vport_ops;
+extern const struct vport_ops ovs_patch_vport_ops;
+extern const struct vport_ops ovs_gre_vport_ops;
+extern const struct vport_ops ovs_gre_ft_vport_ops;
+extern const struct vport_ops ovs_gre64_vport_ops;
+extern const struct vport_ops ovs_capwap_vport_ops;
+extern const struct vport_ops ovs_vxlan_vport_ops;