ipv6: Introduce ipv6_addr_is_solict_mult() to check Solicited Node Multicast Addresses.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index c6a4421..3a3eeb4 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -305,6 +305,14 @@
return (addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE);
}
+static inline bool ipv6_addr_is_solict_mult(const struct in6_addr *addr)
+{
+ return (addr->s6_addr32[0] == htonl(0xff020000) &&
+ addr->s6_addr32[1] == htonl(0x00000000) &&
+ addr->s6_addr32[2] == htonl(0x00000001) &&
+ addr->s6_addr[12] == 0xff);
+}
+
#ifdef CONFIG_PROC_FS
extern int if6_proc_init(void);
extern void if6_proc_exit(void);