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authorThomas Graf <tgraf@suug.ch>2006-08-05 10:04:54 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-23 01:53:47 +0400
commit1823730fbc89fadde72a7bb3b7bdf03cc7b8835c (patch)
treec11f23e7cc15f47d61994fc370ece9841203dec2 /include/linux/if_addr.h
parent47f68512d2685431f1781830dfcbab31bda87644 (diff)
downloadlinux-1823730fbc89fadde72a7bb3b7bdf03cc7b8835c.tar.xz
[IPv4]: Move interface address bits to linux/if_addr.h
Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/if_addr.h')
-rw-r--r--include/linux/if_addr.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
new file mode 100644
index 000000000000..e1590454db59
--- /dev/null
+++ b/include/linux/if_addr.h
@@ -0,0 +1,53 @@
+#ifndef __LINUX_IF_ADDR_H
+#define __LINUX_IF_ADDR_H
+
+#include <linux/netlink.h>
+
+struct ifaddrmsg
+{
+ __u8 ifa_family;
+ __u8 ifa_prefixlen; /* The prefix length */
+ __u8 ifa_flags; /* Flags */
+ __u8 ifa_scope; /* Address scope */
+ __u32 ifa_index; /* Link index */
+};
+
+/*
+ * Important comment:
+ * IFA_ADDRESS is prefix address, rather than local interface address.
+ * It makes no difference for normally configured broadcast interfaces,
+ * but for point-to-point IFA_ADDRESS is DESTINATION address,
+ * local address is supplied in IFA_LOCAL attribute.
+ */
+enum
+{
+ IFA_UNSPEC,
+ IFA_ADDRESS,
+ IFA_LOCAL,
+ IFA_LABEL,
+ IFA_BROADCAST,
+ IFA_ANYCAST,
+ IFA_CACHEINFO,
+ IFA_MULTICAST,
+ __IFA_MAX,
+};
+
+#define IFA_MAX (__IFA_MAX - 1)
+
+/* ifa_flags */
+#define IFA_F_SECONDARY 0x01
+#define IFA_F_TEMPORARY IFA_F_SECONDARY
+
+#define IFA_F_DEPRECATED 0x20
+#define IFA_F_TENTATIVE 0x40
+#define IFA_F_PERMANENT 0x80
+
+struct ifa_cacheinfo
+{
+ __u32 ifa_prefered;
+ __u32 ifa_valid;
+ __u32 cstamp; /* created timestamp, hundredths of seconds */
+ __u32 tstamp; /* updated timestamp, hundredths of seconds */
+};
+
+#endif