When an interface address is removed and the last prefix

route is also being deleted, the link-layer address table
(arp or nd6) will flush those L2 llinfo entries that match
the removed prefix.

Reviewed by:	kmacy

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/net/if_llatbl.h b/sys/net/if_llatbl.h
index 3b3086f..4d721ef 100644
--- a/sys/net/if_llatbl.h
+++ b/sys/net/if_llatbl.h
@@ -147,6 +147,9 @@ struct lltable {
 
 	struct llentry *	(*llt_new)(const struct sockaddr *, u_int);
 	void			(*llt_free)(struct lltable *, struct llentry *);
+	void			(*llt_prefix_free)(struct lltable *,
+				    const struct sockaddr *prefix,
+				    const struct sockaddr *mask);
 	struct llentry *	(*llt_lookup)(struct lltable *, u_int flags,
 				    const struct sockaddr *l3addr);
 	int			(*llt_rtcheck)(struct ifnet *,
@@ -174,6 +177,8 @@ MALLOC_DECLARE(M_LLTABLE);
 
 struct lltable *lltable_init(struct ifnet *, int);
 void		lltable_free(struct lltable *);
+void		lltable_prefix_free(int, struct sockaddr *, 
+                       struct sockaddr *);
 void		lltable_drain(int);
 int		lltable_sysctl_dumparp(int, struct sysctl_req *);