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authorJames Bottomley <jejb@sparkweed.localdomain>2006-09-23 21:03:52 -0500
committerJames Bottomley <jejb@sparkweed.localdomain>2006-09-23 21:03:52 -0500
commit1aedf2ccc60fade26c46fae12e28664d0da3f199 (patch)
treed91083e3079f1ddb942a382ac2b5a7525570ad59 /include/linux/if_addr.h
parentdfdc58ba354adb80d67c99f7be84f95a8e02e466 (diff)
parent1ab9dd0902df4f4ff56fbf672220549090ab28ba (diff)
Merge mulgrave-w:git/linux-2.6
Conflicts: include/linux/blkdev.h Trivial merge to incorporate tag prototypes.
Diffstat (limited to 'include/linux/if_addr.h')
-rw-r--r--include/linux/if_addr.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
new file mode 100644
index 00000000000..dbe8f6120a4
--- /dev/null
+++ b/include/linux/if_addr.h
@@ -0,0 +1,55 @@
+#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_NODAD 0x02
+#define IFA_F_HOMEADDRESS 0x10
+#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