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-rw-r--r--inet/netinet/in.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index ff8476e5c7..c6985ffa0a 100644
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -277,6 +277,22 @@ extern uint16_t htons __P ((uint16_t __hostshort));
extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sock_in));
+
+#define IN6_IS_ADDR_MC_NODELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x1))
+
+#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x2))
+
+#define IN6_IS_ADDR_MC_SITELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x5))
+
+#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x8))
+
+#define IN6_IS_ADDR_MC_GLOBAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0xe))
+
/* IPv6 packet information. */
struct in6_pktinfo
{