blob: e1590454db5966a5dd56f154ee31430473a018a5 [file] [log] [blame]
Thomas Graf18237302006-08-04 23:04:54 -07001#ifndef __LINUX_IF_ADDR_H
2#define __LINUX_IF_ADDR_H
3
4#include <linux/netlink.h>
5
6struct ifaddrmsg
7{
8 __u8 ifa_family;
9 __u8 ifa_prefixlen; /* The prefix length */
10 __u8 ifa_flags; /* Flags */
11 __u8 ifa_scope; /* Address scope */
12 __u32 ifa_index; /* Link index */
13};
14
15/*
16 * Important comment:
17 * IFA_ADDRESS is prefix address, rather than local interface address.
18 * It makes no difference for normally configured broadcast interfaces,
19 * but for point-to-point IFA_ADDRESS is DESTINATION address,
20 * local address is supplied in IFA_LOCAL attribute.
21 */
22enum
23{
24 IFA_UNSPEC,
25 IFA_ADDRESS,
26 IFA_LOCAL,
27 IFA_LABEL,
28 IFA_BROADCAST,
29 IFA_ANYCAST,
30 IFA_CACHEINFO,
31 IFA_MULTICAST,
32 __IFA_MAX,
33};
34
35#define IFA_MAX (__IFA_MAX - 1)
36
37/* ifa_flags */
38#define IFA_F_SECONDARY 0x01
39#define IFA_F_TEMPORARY IFA_F_SECONDARY
40
41#define IFA_F_DEPRECATED 0x20
42#define IFA_F_TENTATIVE 0x40
43#define IFA_F_PERMANENT 0x80
44
45struct ifa_cacheinfo
46{
47 __u32 ifa_prefered;
48 __u32 ifa_valid;
49 __u32 cstamp; /* created timestamp, hundredths of seconds */
50 __u32 tstamp; /* updated timestamp, hundredths of seconds */
51};
52
53#endif