1 files changed, 13 insertions, 0 deletions
diff --git a/sys/netinet6/scope6.c b/sys/netinet6/scope6.c
index 8189d87..7a1a04b 100644
--- a/sys/netinet6/scope6.c
+++ b/sys/netinet6/scope6.c
@@ -494,3 +494,16 @@ in6_clearscope(struct in6_addr *in6)
 
 	return (modified);
 }
+
+/*
+ * Return the scope identifier or zero.
+ */
+uint16_t
+in6_getscope(struct in6_addr *in6)
+{
+
+	if (IN6_IS_SCOPE_LINKLOCAL(in6) || IN6_IS_ADDR_MC_INTFACELOCAL(in6))
+		return (in6->s6_addr16[1]);
+
+	return (0);
+}