--- src/sys/netinet/ip_flow.c	2008/07/27 10:06:57	1.15
+++ src/sys/netinet/ip_flow.c	2008/10/26 07:11:28	1.16
@@ -67,6 +67,21 @@
 #define IPFLOW_RTENTRY_ISDOWN(rt) \
 	(((rt)->rt_flags & RTF_UP) == 0 || ((rt)->rt_ifp->if_flags & IFF_UP) == 0)
 
+struct ipflow {
+	LIST_ENTRY(ipflow) ipf_next;	/* next ipflow in bucket */
+	struct in_addr ipf_dst;		/* destination address */
+	struct in_addr ipf_src;		/* source address */
+
+	uint8_t ipf_tos;		/* type-of-service */
+	struct route ipf_ro;		/* associated route entry */
+	u_long ipf_uses;		/* number of uses in this period */
+
+	int ipf_timer;			/* remaining lifetime of this entry */
+	u_long ipf_dropped;		/* ENOBUFS returned by if_output */
+	u_long ipf_errors;		/* other errors returned by if_output */
+	u_long ipf_last_uses;		/* number of uses in last period */
+};
+
 #define ipflow_inuse		ipflow_inuse_pcpu[mycpuid]
 #define ipflows			ipflows_pcpu[mycpuid]