add libnl-tiny as a small replacement for libnl with only genl support included
[openwrt/svn-archive/archive.git] / package / libnl-tiny / src / include / linux / if_addr.h
diff --git a/package/libnl-tiny/src/include/linux/if_addr.h b/package/libnl-tiny/src/include/linux/if_addr.h
new file mode 100644 (file)
index 0000000..43f3bed
--- /dev/null
@@ -0,0 +1,62 @@
+#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_OPTIMISTIC       0x04
+#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 */
+};
+
+/* backwards compatibility for userspace */
+#ifndef __KERNEL__
+#define IFA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
+#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
+#endif
+
+#endif