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-rw-r--r--sys/netinet6/in6.c21
-rw-r--r--sys/netinet6/in6.h1
2 files changed, 22 insertions, 0 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index 39e77e9..9bf7a8f 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -2017,6 +2017,27 @@ in6_localaddr(struct in6_addr *in6)
return (0);
}
+/*
+ * Return 1 if an internet address is for the local host and configured
+ * on one of its interfaces.
+ */
+int
+in6_localip(struct in6_addr *in6)
+{
+ struct in6_ifaddr *ia;
+
+ IN6_IFADDR_RLOCK();
+ TAILQ_FOREACH(ia, &V_in6_ifaddrhead, ia_link) {
+ if (IN6_ARE_ADDR_EQUAL(in6, &ia->ia_addr.sin6_addr)) {
+ IN6_IFADDR_RUNLOCK();
+ return (1);
+ }
+ }
+ IN6_IFADDR_RUNLOCK();
+ return (0);
+}
+
+
int
in6_is_addr_deprecated(struct sockaddr_in6 *sa6)
{
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h
index ae0da6a..5b552c9 100644
--- a/sys/netinet6/in6.h
+++ b/sys/netinet6/in6.h
@@ -631,6 +631,7 @@ struct cmsghdr;
int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
int in6_localaddr __P((struct in6_addr *));
+int in6_localip(struct in6_addr *);
int in6_addrscope __P((struct in6_addr *));
struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
extern void in6_if_up __P((struct ifnet *));
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