#ifndef HAVE_IPV4_IS_MULTICAST
+static inline bool ipv4_is_loopback(__be32 addr)
+{
+ return (addr & htonl(0xff000000)) == htonl(0x7f000000);
+}
+
static inline bool ipv4_is_multicast(__be32 addr)
{
return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
}
+static inline bool ipv4_is_local_multicast(__be32 addr)
+{
+ return (addr & htonl(0xffffff00)) == htonl(0xe0000000);
+}
+
+static inline bool ipv4_is_lbcast(__be32 addr)
+{
+ /* limited broadcast */
+ return addr == htonl(INADDR_BROADCAST);
+}
+
+static inline bool ipv4_is_zeronet(__be32 addr)
+{
+ return (addr & htonl(0xff000000)) == htonl(0x00000000);
+}
+
#endif /* !HAVE_IPV4_IS_MULTICAST */
#endif