X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=include%2Flinux%2Fin.h;h=70c6df882694b70c6ba372b9fedc21b35bce396c;hb=b7e23d913aafc93fc5f119e1be17620073cc3811;hp=3975cbf52f203116608b7003b1ba61a94afbe3ff;hpb=805f53f085346b6765eda02820721a14ce0d644f;p=cascardo%2Flinux.git diff --git a/include/linux/in.h b/include/linux/in.h index 3975cbf52f20..70c6df882694 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 == 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 */