--- openflow-2009-10-14-2.h	2015-07-23 09:54:15.824479308 -0700
+++ openflow-2009-12-17.h	2015-07-23 09:54:15.828479308 -0700
@@ -177,7 +177,8 @@
     OFPC_STP            = 1 << 3,  /* 802.1d spanning tree. */
     OFPC_RESERVED       = 1 << 4,  /* Reserved, must be zero. */
     OFPC_IP_REASM       = 1 << 5,  /* Can reassemble IP fragments. */
-    OFPC_QUEUE_STATS    = 1 << 6   /* Queue statistics */
+    OFPC_QUEUE_STATS    = 1 << 6,  /* Queue statistics. */
+    OFPC_ARP_MATCH_IP   = 1 << 7   /* Match IP addresses in ARP pkts. */
 };
 
 /* Flags to indicate behavior of the physical port.  These flags are