nfsd: support ext4 i_version

[safe/jmp/linux-2.6] / include / linux / in.h

diff --git a/include/linux/in.h b/include/linux/in.h
index 3975cbf..d60122a 100644 (file)
--- a/include/linux/in.h
+++ b/include/linux/in.h
@@ -75,10 +75,15 @@ struct in_addr {
 #define IP_IPSEC_POLICY        16
 #define IP_XFRM_POLICY 17
 #define IP_PASSSEC     18
+#define IP_TRANSPARENT 19
 
 /* BSD compatibility */
 #define IP_RECVRETOPTS IP_RETOPTS
 
+/* TProxy original addresses */
+#define IP_ORIGDSTADDR       20
+#define IP_RECVORIGDSTADDR   IP_ORIGDSTADDR
+
 /* IP_MTU_DISCOVER values */
 #define IP_PMTUDISC_DONT               0       /* Never send DF frames */
 #define IP_PMTUDISC_WANT               1       /* Use per route hints  */
@@ -246,13 +251,69 @@ struct sockaddr_in {
 #include <asm/byteorder.h> 
 
 #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 */