5eb9b0f857e0720569eb04373ef42fb51bb04c9a
[linux-2.6.git] / include / linux / if_tunnel.h
1 #ifndef _IF_TUNNEL_H_
2 #define _IF_TUNNEL_H_
3
4 #include <linux/types.h>
5
6 #ifdef __KERNEL__
7 #include <linux/ip.h>
8 #endif
9
10 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
11 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
12 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
13 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
14 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
15 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
16 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
17 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
18
19 #define GRE_CSUM        __cpu_to_be16(0x8000)
20 #define GRE_ROUTING     __cpu_to_be16(0x4000)
21 #define GRE_KEY         __cpu_to_be16(0x2000)
22 #define GRE_SEQ         __cpu_to_be16(0x1000)
23 #define GRE_STRICT      __cpu_to_be16(0x0800)
24 #define GRE_REC         __cpu_to_be16(0x0700)
25 #define GRE_FLAGS       __cpu_to_be16(0x00F8)
26 #define GRE_VERSION     __cpu_to_be16(0x0007)
27
28 struct ip_tunnel_parm
29 {
30         char                    name[IFNAMSIZ];
31         int                     link;
32         __be16                  i_flags;
33         __be16                  o_flags;
34         __be32                  i_key;
35         __be32                  o_key;
36         struct iphdr            iph;
37 };
38
39 /* SIT-mode i_flags */
40 #define SIT_ISATAP      0x0001
41
42 struct ip_tunnel_prl {
43         __be32                  addr;
44         __u16                   flags;
45         __u16                   __reserved;
46         __u32                   datalen;
47         __u32                   rs_delay;
48         /* data follows */
49 };
50
51 /* PRL flags */
52 #define PRL_DEFAULT             0x0001
53
54 enum
55 {
56         IFLA_GRE_UNSPEC,
57         IFLA_GRE_LINK,
58         IFLA_GRE_IFLAGS,
59         IFLA_GRE_OFLAGS,
60         IFLA_GRE_IKEY,
61         IFLA_GRE_OKEY,
62         IFLA_GRE_LOCAL,
63         IFLA_GRE_REMOTE,
64         IFLA_GRE_TTL,
65         IFLA_GRE_TOS,
66         IFLA_GRE_PMTUDISC,
67         __IFLA_GRE_MAX,
68 };
69
70 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
71
72 #endif /* _IF_TUNNEL_H_ */