Index: sys/net/if_var.h
===================================================================
--- sys/net/if_var.h
+++ sys/net/if_var.h
@@ -61,6 +61,7 @@
  */
 
 struct	rtentry;		/* ifa_rtrequest */
+struct	nhop_object;		/* ifa_rtrequest */
 struct	rt_addrinfo;		/* ifa_rtrequest */
 struct	socket;
 struct	carp_if;
@@ -551,7 +552,8 @@
 	struct	carp_softc *ifa_carp;	/* pointer to CARP data */
 	CK_STAILQ_ENTRY(ifaddr) ifa_link;	/* queue macro glue */
 	void	(*ifa_rtrequest)	/* check or clean routes (+ or -)'d */
-		(int, struct rtentry *, struct rt_addrinfo *);
+		(int, struct rtentry *, struct nhop_object *,
+		 struct rt_addrinfo *);
 	u_short	ifa_flags;		/* mostly rt_flags for cloning */
 #define	IFA_ROUTE	RTF_UP		/* route installed */
 #define	IFA_RTSELF	RTF_HOST	/* loopback route to self installed */
Index: sys/net/route.c
===================================================================
--- sys/net/route.c
+++ sys/net/route.c
@@ -1239,7 +1239,7 @@
 	 */
 	ifa = rt->rt_ifa;
 	if (ifa != NULL && ifa->ifa_rtrequest != NULL)
-		ifa->ifa_rtrequest(RTM_DELETE, rt, info);
+		ifa->ifa_rtrequest(RTM_DELETE, rt, rt->rt_nhop, info);
 
 	/*
 	 * One more rtentry floating around that is not
@@ -1761,7 +1761,7 @@
 	 * allow it to do that as well.
 	 */
 	if (ifa->ifa_rtrequest)
-		ifa->ifa_rtrequest(RTM_ADD, rt, info);
+		ifa->ifa_rtrequest(RTM_ADD, rt, rt->rt_nhop, info);
 
 	/*
 	 * actually return a resultant rtentry and
@@ -1886,7 +1886,8 @@
 	if (info->rti_ifa != NULL && info->rti_ifa != rt->rt_ifa &&
 	    rt->rt_ifa != NULL) {
 		if (rt->rt_ifa->ifa_rtrequest != NULL)
-			rt->rt_ifa->ifa_rtrequest(RTM_DELETE, rt, info);
+			rt->rt_ifa->ifa_rtrequest(RTM_DELETE, rt, rt->rt_nhop,
+			info);
 		ifa_free(rt->rt_ifa);
 		rt->rt_ifa = NULL;
 	}
@@ -1910,7 +1911,7 @@
 	rt->rt_flags |= info->rti_flags & RTF_FMASK;
 
 	if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest != NULL)
-	       rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, info);
+	       rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, nh, info);
 
 	/* Alter route MTU if necessary */
 	if (rt->rt_ifp != NULL) {
Index: sys/netinet6/nd6.c
===================================================================
--- sys/netinet6/nd6.c
+++ sys/netinet6/nd6.c
@@ -1561,13 +1561,12 @@
  * processing.
  */
 void
-nd6_rtrequest(int req, struct rtentry *rt, struct rt_addrinfo *info)
+nd6_rtrequest(int req, struct rtentry *rt, struct nhop_object *nh,
+    struct rt_addrinfo *info)
 {
 	struct sockaddr_in6 *gateway;
 	struct nd_defrouter *dr;
-	struct nhop_object *nh;
 
-	nh = rt->rt_nhop;
 	gateway = &nh->gw6_sa;
 
 	switch (req) {