Index: sys/net/route.h
===================================================================
--- sys/net/route.h
+++ sys/net/route.h
@@ -104,6 +104,10 @@
 /* lle state is exported in rmx_state rt_metrics field */
 #define	rmx_state	rmx_weight
 
+/* lle cache statistics are exported via the rmx_{recv,send}pipe rt_metrics fields. */
+#define	rmx_lookup_count	rmx_recvpipe
+#define	rmx_cache_hits		rmx_sendpipe
+
 /* default route weight */
 #define	RT_DEFAULT_WEIGHT	1
 #define	RT_MAX_WEIGHT		16777215	/* 3 bytes */
Index: sys/netinet/in.c
===================================================================
--- sys/netinet/in.c
+++ sys/netinet/in.c
@@ -1659,6 +1659,9 @@
 		arpc.rtm.rtm_flags |= RTF_STATIC;
 	if (lle->la_flags & LLE_IFADDR)
 		arpc.rtm.rtm_flags |= RTF_PINNED;
+	/* Re-purposed rmx_recvpipe and rmx_sendpipe to send LLE cache info. */
+	arpc.rtm.rtm_rmx.rmx_lookup_count = lle->lle_lookup_count;
+	arpc.rtm.rtm_rmx.rmx_cache_hits = lle->lle_cache_hits;
 	arpc.rtm.rtm_index = ifp->if_index;
 	error = SYSCTL_OUT(wr, &arpc, sizeof(arpc));
 
Index: sys/netinet6/in6.c
===================================================================
--- sys/netinet6/in6.c
+++ sys/netinet6/in6.c
@@ -2434,6 +2434,9 @@
 	ndpc.rtm.rtm_rmx.rmx_pksent = lle->la_asked;
 	/* Store state in rmx_weight value */
 	ndpc.rtm.rtm_rmx.rmx_state = lle->ln_state;
+	/* Re-purposed rmx_recvpipe and rmx_sendpipe to send LLE cache info. */
+	ndpc.rtm.rtm_rmx.rmx_lookup_count = lle->lle_lookup_count;
+	ndpc.rtm.rtm_rmx.rmx_cache_hits = lle->lle_cache_hits;
 	ndpc.rtm.rtm_index = ifp->if_index;
 	error = SYSCTL_OUT(wr, &ndpc, sizeof(ndpc));