1 #ifndef __LINUX_IF_ADDR_H
2 #define __LINUX_IF_ADDR_H
3
4 #include <linux/netlink.h>
5
6 struct 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 */
22 enum
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_NODAD 0x02
42 #define IFA_F_OPTIMISTIC 0x04
43 #define IFA_F_HOMEADDRESS 0x10
44 #define IFA_F_DEPRECATED 0x20
45 #define IFA_F_TENTATIVE 0x40
46 #define IFA_F_PERMANENT 0x80
47
48 struct ifa_cacheinfo
49 {
50 __u32 ifa_prefered;
51 __u32 ifa_valid;
52 __u32 cstamp; /* created timestamp, hundredths of seconds */
53 __u32 tstamp; /* updated timestamp, hundredths of seconds */
54 };
55
56 /* backwards compatibility for userspace */
57 #ifndef __KERNEL__
58 #define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
59 #define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
60 #endif
61
62 #endif
63
|
This page was automatically generated by the
LXR engine.
|