X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fin.h;h=4065313cd7eee7f3a287d3cd0629ffcb726041f1;hb=8f40f672e6bb071812f61bfbd30efc3fc1263ad1;hp=3975cbf52f203116608b7003b1ba61a94afbe3ff;hpb=6b06d2cc6d52830e3e0c001006b26255f47184dd;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/in.h b/include/linux/in.h index 3975cbf52f2..4065313cd7e 100644 --- a/include/linux/in.h +++ b/include/linux/in.h @@ -246,13 +246,69 @@ struct sockaddr_in { #include #ifdef __KERNEL__ -/* Some random defines to make it easier in the kernel.. */ -#define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000)) -#define MULTICAST(x) (((x) & htonl(0xf0000000)) == htonl(0xe0000000)) -#define BADCLASS(x) (((x) & htonl(0xf0000000)) == htonl(0xf0000000)) -#define ZERONET(x) (((x) & htonl(0xff000000)) == htonl(0x00000000)) -#define LOCAL_MCAST(x) (((x) & htonl(0xFFFFFF00)) == htonl(0xE0000000)) +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); +} + +/* Special-Use IPv4 Addresses (RFC3330) */ + +static inline bool ipv4_is_private_10(__be32 addr) +{ + return (addr & htonl(0xff000000)) == htonl(0x0a000000); +} + +static inline bool ipv4_is_private_172(__be32 addr) +{ + return (addr & htonl(0xfff00000)) == htonl(0xac100000); +} + +static inline bool ipv4_is_private_192(__be32 addr) +{ + return (addr & htonl(0xffff0000)) == htonl(0xc0a80000); +} + +static inline bool ipv4_is_linklocal_169(__be32 addr) +{ + return (addr & htonl(0xffff0000)) == htonl(0xa9fe0000); +} + +static inline bool ipv4_is_anycast_6to4(__be32 addr) +{ + return (addr & htonl(0xffffff00)) == htonl(0xc0586300); +} + +static inline bool ipv4_is_test_192(__be32 addr) +{ + return (addr & htonl(0xffffff00)) == htonl(0xc0000200); +} + +static inline bool ipv4_is_test_198(__be32 addr) +{ + return (addr & htonl(0xfffe0000)) == htonl(0xc6120000); +} #endif #endif /* _LINUX_IN_H */