gre: Compatibility with older Linux kernel versions.
[openvswitch] / datapath / linux-2.6 / compat-2.6 / include / linux / in.h
1 #ifndef __LINUX_IN_WRAPPER_H
2 #define __LINUX_IN_WRAPPER_H 1
3
4 #include_next <linux/in.h>
5
6 #include <linux/version.h>
7 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
8
9 static inline bool ipv4_is_multicast(__be32 addr)
10 {
11         return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
12 }
13
14 #endif /* linux kernel < 2.6.25 */
15
16 #endif