--- openflow-2011-09-20.h	2015-07-23 09:54:16.936479353 -0700
+++ openflow-2011-09-22.h	2015-07-23 09:54:16.940479354 -0700
@@ -885,6 +885,7 @@
     OFPAT_SET_FIELD    = 25, /* Set a header field using OXM TLV format. */
     OFPAT_PUSH_PBB     = 26, /* Push a new PBB service tag (I-TAG) */
     OFPAT_POP_PBB      = 27, /* Pop the outer PBB service tag (I-TAG) */
+    OFPAT_REMARK_DSCP  = 28, /* Remark the DSCP in the IP ToS field. */
     OFPAT_EXPERIMENTER = 0xffff
 };