Index: sys/net/route/route_ctl.h
===================================================================
--- sys/net/route/route_ctl.h
+++ sys/net/route/route_ctl.h
@@ -82,18 +82,42 @@
     rib_walk_hook_f_t *hook_f, void *arg);
 void rib_foreach_table_walk_del(int family, rib_filter_f_t *filter_f, void *arg);
 
-struct route_nhop_data;
+struct nhop_object;
+struct nhgrp_object;
+struct route_nhop_data {
+	union {
+		struct nhop_object *rnd_nhop;
+		struct nhgrp_object *rnd_nhgrp;
+	};
+	uint32_t rnd_weight;
+};
+
 const struct rtentry *rib_lookup_prefix(uint32_t fibnum, int family,
     const struct sockaddr *dst, const struct sockaddr *netmask,
     struct route_nhop_data *rnd);
 const struct rtentry *rib_lookup_lpm(uint32_t fibnum, int family,
     const struct sockaddr *dst, struct route_nhop_data *rnd);
 
+/* rtentry accessors */
+#ifdef INET
+struct in_addr;
+void rt_get_inet_prefix_plen(const struct rtentry *rt, struct in_addr *paddr,
+    int *plen);
+void rt_get_inet_prefix_pmask(const struct rtentry *rt, struct in_addr *paddr,
+    struct in_addr *pmask);
+#endif
+#ifdef INET6
+struct in6_addr;
+void rt_get_inet6_prefix_plen(const struct rtentry *rt, struct in6_addr *paddr,
+    int *plen);
+void rt_get_inet6_prefix_pmask(const struct rtentry *rt, struct in6_addr *paddr,
+    struct in6_addr *pmask);
+#endif
+
 /* Nexthops */
 uint32_t nhops_get_count(struct rib_head *rh);
 
 /* Multipath */
-struct nhgrp_object;
 struct weightened_nhop;
 
 struct weightened_nhop *nhgrp_get_nhops(struct nhgrp_object *nhg,
Index: sys/net/route/route_ctl.c
===================================================================
--- sys/net/route/route_ctl.c
+++ sys/net/route/route_ctl.c
@@ -236,6 +236,84 @@
 	return (weight);
 }
 
+#ifdef INET
+void
+rt_get_inet_prefix_plen(const struct rtentry *rt, struct in_addr *paddr, int *plen)
+{
+	const struct sockaddr_in *dst;
+
+	dst = (const struct sockaddr_in *)rt_key_const(rt);
+	KASSERT((dst->sin_family == AF_INET),
+	    ("rt family is %d, not inet", dst->sin_family));
+	*paddr = dst->sin_addr;
+	dst = (const struct sockaddr_in *)rt_mask_const(rt);
+	if (dst == NULL)
+		*plen = 32;
+	else
+		*plen = bitcount32(dst->sin_addr.s_addr);
+}
+
+void
+rt_get_inet_prefix_pmask(const struct rtentry *rt, struct in_addr *paddr,
+    struct in_addr *pmask)
+{
+	const struct sockaddr_in *dst;
+
+	dst = (const struct sockaddr_in *)rt_key_const(rt);
+	KASSERT((dst->sin_family == AF_INET),
+	    ("rt family is %d, not inet", dst->sin_family));
+	*paddr = dst->sin_addr;
+	dst = (const struct sockaddr_in *)rt_mask_const(rt);
+	if (dst == NULL)
+		pmask->s_addr = INADDR_BROADCAST;
+	else
+		*pmask = dst->sin_addr;
+}
+#endif
+
+#ifdef INET6
+static int
+inet6_get_plen(const struct in6_addr *addr)
+{
+
+	return (bitcount32(addr->s6_addr32[0]) + bitcount32(addr->s6_addr32[1]) +
+	    bitcount32(addr->s6_addr32[2]) + bitcount32(addr->s6_addr32[3]));
+}
+
+void
+rt_get_inet6_prefix_plen(const struct rtentry *rt, struct in6_addr *paddr, int *plen)
+{
+	const struct sockaddr_in6 *dst;
+
+	dst = (const struct sockaddr_in6 *)rt_key_const(rt);
+	KASSERT((dst->sin6_family == AF_INET6),
+	    ("rt family is %d, not inet6", dst->sin6_family));
+	*paddr = dst->sin6_addr;
+	dst = (const struct sockaddr_in6 *)rt_mask_const(rt);
+	if (dst == NULL)
+		*plen = 128;
+	else
+		*plen = inet6_get_plen(&dst->sin6_addr);
+}
+
+void
+rt_get_inet6_prefix_pmask(const struct rtentry *rt, struct in6_addr *paddr,
+    struct in6_addr *pmask)
+{
+	const struct sockaddr_in6 *dst;
+
+	dst = (const struct sockaddr_in6 *)rt_key_const(rt);
+	KASSERT((dst->sin6_family == AF_INET6),
+	    ("rt family is %d, not inet", dst->sin6_family));
+	*paddr = dst->sin6_addr;
+	dst = (const struct sockaddr_in6 *)rt_mask_const(rt);
+	if (dst == NULL)
+		memset(pmask, 0xFF, sizeof(struct in6_addr));
+	else
+		*pmask = dst->sin6_addr;
+}
+#endif
+
 static void
 rt_set_expire_info(struct rtentry *rt, const struct rt_addrinfo *info)
 {
Index: sys/net/route/route_var.h
===================================================================
--- sys/net/route/route_var.h
+++ sys/net/route/route_var.h
@@ -205,14 +205,7 @@
 void tmproutes_destroy(struct rib_head *rh);
 
 /* route_ctl.c */
-struct route_nhop_data {
-	union {
-		struct nhop_object *rnd_nhop;
-		struct nhgrp_object *rnd_nhgrp;
-	};
-	uint32_t rnd_weight;
-};
-
+struct route_nhop_data;
 int change_route_nhop(struct rib_head *rnh, struct rtentry *rt,
     struct rt_addrinfo *info, struct route_nhop_data *rnd,
     struct rib_cmd_info *rc);