+ /* Port description. (OFPMP_PORT_DESC)
+ * This was introduced as part of OF1.3, but is useful for bridges
+ * with many ports, so we support it with OF1.0, too.
+ * The OF1.0 request is struct ofp_stats_msg.
+ * The OF1.0 reply body is an array of struct ofp10_phy_port. */
+ OFPST_PORT_DESC = 13,
+