--- openflow-2013-12-17-4.h	2015-07-23 09:54:17.852479391 -0700
+++ openflow-2013-10-21.h	2015-07-23 09:54:17.860479391 -0700
@@ -2563,13 +2563,21 @@
 };
 OFP_ASSERT(sizeof(struct ofp_table_feature_prop_experimenter) == 12);
 
+/* Flags of features supported by the table. */
+enum ofp_table_feature_flag {
+    OFPTFF_INGRESS_TABLE     = 1 << 0,  /* Can be use as ingress table. */
+    OFPTFF_EGRESS_TABLE      = 1 << 1,  /* Can be use as egress table. */
+    OFPTFF_EXCEPT_TABLE      = 1 << 2,  /* Can be use as exception table. */
+};
+
 /* Body for ofp_multipart_request of type OFPMP_TABLE_FEATURES./
  * Body of reply to OFPMP_TABLE_FEATURES request. */
 struct ofp_table_features {
     uint16_t length;         /* Length is padded to 64 bits. */
     uint8_t table_id;        /* Identifier of table.  Lower numbered tables
                                 are consulted first. */
-    uint8_t pad[5];          /* Align to 64-bits. */
+    uint8_t pad[1];          /* Align to 64-bits. */
+    uint32_t features;       /* Bitmap of OFPTFF_* values. */
     char name[OFP_MAX_TABLE_NAME_LEN];
     uint64_t metadata_match; /* Bits of metadata table can match. */
     uint64_t metadata_write; /* Bits of metadata table can write. */