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yaml --- r: 78476 b: refs/heads/master c: 2658fa8 h: refs/heads/master v: v3
git-mirror · Jan 28, 2008 · 6c856ce · 6c856ce
1 parent e6f398a
commit 6c856ce
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Showing 2 changed files with 75 additions and 14 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 586f12115264b767ea6a48ce081ca25a39c1e3dd
+refs/heads/master: 2658fa803111dae1353602e7f586de8e537803e2
diff --git a/trunk/include/linux/in.h b/trunk/include/linux/in.h
@@ -246,21 +246,82 @@ 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_badclass(__be32 addr)
+{
+	return (addr & htonl(0xf0000000)) == htonl(0xf0000000);
+}
+
+static inline bool ipv4_is_zeronet(__be32 addr)
+{
+	return (addr & htonl(0xff000000)) == htonl(0x00000000);
+}
+
+#define LOOPBACK(x)		ipv4_is_loopback(x)
+#define MULTICAST(x)		ipv4_is_multicast(x)
+#define BADCLASS(x)		ipv4_is_badclass(x)
+#define ZERONET(x)		ipv4_is_zeronet(x)
+#define LOCAL_MCAST(x)		ipv4_is_local_multicast(x)
 
 /* Special-Use IPv4 Addresses (RFC3330) */
-#define PRIVATE_10(x)	(((x) & htonl(0xff000000)) == htonl(0x0A000000))
-#define LINKLOCAL_169(x) (((x) & htonl(0xffff0000)) == htonl(0xA9FE0000))
-#define PRIVATE_172(x)	(((x) & htonl(0xfff00000)) == htonl(0xAC100000))
-#define TEST_192(x)	(((x) & htonl(0xffffff00)) == htonl(0xC0000200))
-#define ANYCAST_6TO4(x)	(((x) & htonl(0xffffff00)) == htonl(0xC0586300))
-#define PRIVATE_192(x)	(((x) & htonl(0xffff0000)) == htonl(0xC0A80000))
-#define TEST_198(x)	(((x) & htonl(0xfffe0000)) == htonl(0xC6120000))
+
+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
 
+#define PRIVATE_10(x)		ipv4_is_private_10(x)
+#define LINKLOCAL_169(x)	ipv4_is_linklocal_169(x)
+#define PRIVATE_172(x)		ipv4_is_private_172(x)
+#define TEST_192(x)		ipv4_is_test_192(x)
+#define ANYCAST_6TO4(x)		ipv4_is_anycast_6to4(x)
+#define PRIVATE_192(x)		ipv4_is_private_192(x)
+#define TEST_198(x)		ipv4_is_test_198(x)
+
 #endif	/* _LINUX_IN_H */