--- openflow-2014-04-21-2.h	2015-07-23 09:54:17.872479392 -0700
+++ openflow-2014-04-21-3.h	2015-07-23 09:54:17.876479392 -0700
@@ -235,6 +235,8 @@
                                    should send to the controller. See
                                    ofp_controller_max_len for valid values.
                                    */
+    uint8_t egress_table_id;    /* ID of the first egress table,
+                                   or OFPTT_ALL if no egress table. */
 };
 OFP_ASSERT(sizeof(struct ofp_switch_config) == 12);