Index: head/sys/netinet/ip.h
===================================================================
--- head/sys/netinet/ip.h
+++ head/sys/netinet/ip.h
@@ -80,19 +80,19 @@
 #define	IPTOS_MINCOST		0x02
 
 /*
- * Definitions for IP precedence (also in ip_tos) (hopefully unused).
+ * Definitions for IP precedence (also in ip_tos) (deprecated).
  */
-#define	IPTOS_PREC_NETCONTROL		0xe0
-#define	IPTOS_PREC_INTERNETCONTROL	0xc0
-#define	IPTOS_PREC_CRITIC_ECP		0xa0
-#define	IPTOS_PREC_FLASHOVERRIDE	0x80
-#define	IPTOS_PREC_FLASH		0x60
-#define	IPTOS_PREC_IMMEDIATE		0x40
-#define	IPTOS_PREC_PRIORITY		0x20
-#define	IPTOS_PREC_ROUTINE		0x00
+#define	IPTOS_PREC_NETCONTROL		IPTOS_DSCP_CS7
+#define	IPTOS_PREC_INTERNETCONTROL	IPTOS_DSCP_CS6
+#define	IPTOS_PREC_CRITIC_ECP		IPTOS_DSCP_CS5
+#define	IPTOS_PREC_FLASHOVERRIDE	IPTOS_DSCP_CS4
+#define	IPTOS_PREC_FLASH		IPTOS_DSCP_CS3
+#define	IPTOS_PREC_IMMEDIATE		IPTOS_DSCP_CS2
+#define	IPTOS_PREC_PRIORITY		IPTOS_DSCP_CS1
+#define	IPTOS_PREC_ROUTINE		IPTOS_DSCP_CS0
 
 /*
- * Definitions for DiffServ Codepoints as per RFC2474
+ * Definitions for DiffServ Codepoints as per RFC2474 and RFC5865.
  */
 #define	IPTOS_DSCP_CS0		0x00
 #define	IPTOS_DSCP_CS1		0x20
@@ -112,6 +112,7 @@
 #define	IPTOS_DSCP_AF42		0x90
 #define	IPTOS_DSCP_AF43		0x98
 #define	IPTOS_DSCP_CS5		0xa0
+#define	IPTOS_DSCP_VA		0xb0
 #define	IPTOS_DSCP_EF		0xb8
 #define	IPTOS_DSCP_CS6		0xc0
 #define	IPTOS_DSCP_CS7		0xe0