--- openflow-2011-08-31-4.h	2015-07-23 09:54:16.604479340 -0700
+++ openflow-2011-08-31-5.h	2015-07-23 09:54:16.608479340 -0700
@@ -1218,10 +1218,14 @@
     OFPBMC_BAD_NW_ADDR_MASK,    /* Unsupported network addr mask - switch does
                                    not support arbitrary network address
                                    mask. */
-    OFPBMC_BAD_WILDCARDS,       /* Unsupported wildcard specified in the
-                                   match. */
-    OFPBMC_BAD_FIELD,		/* Unsupported field in the match. */
+    OFPBMC_BAD_WILDCARDS,       /* Unsupported combination of fields masked
+				   or ommited in the match. */
+    OFPBMC_BAD_FIELD,		/* Unsupported field type in the match. */
     OFPBMC_BAD_VALUE,		/* Unsupported value in a match field. */
+    OFPBMC_BAD_MASK,            /* Unsupported mask specified in the match,
+                                   field is not dl-address or nw-address. */
+    OFPBMC_BAD_PREREQ,          /* A prerequisite was not met. */
+    OFPBMC_DUP_FIELD,           /* A field type was duplicated. */
 };
 
 /* ofp_error_msg 'code' values for OFPET_FLOW_MOD_FAILED.  'data' contains