1822d635be6b461124e659cfaa0861474a25e0bf
[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 #include <linux/in6.h>
9 #endif
10
11 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
12 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
13 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
14 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
15 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
16 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
17 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
18 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
19 #define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
20 #define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
21 #define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
22 #define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
23
24 #define GRE_CSUM        __cpu_to_be16(0x8000)
25 #define GRE_ROUTING     __cpu_to_be16(0x4000)
26 #define GRE_KEY         __cpu_to_be16(0x2000)
27 #define GRE_SEQ         __cpu_to_be16(0x1000)
28 #define GRE_STRICT      __cpu_to_be16(0x0800)
29 #define GRE_REC         __cpu_to_be16(0x0700)
30 #define GRE_FLAGS       __cpu_to_be16(0x00F8)
31 #define GRE_VERSION     __cpu_to_be16(0x0007)
32
33 struct ip_tunnel_parm {
34         char                    name[IFNAMSIZ];
35         int                     link;
36         __be16                  i_flags;
37         __be16                  o_flags;
38         __be32                  i_key;
39         __be32                  o_key;
40         struct iphdr            iph;
41 };
42
43 /* SIT-mode i_flags */
44 #define SIT_ISATAP      0x0001
45
46 struct ip_tunnel_prl {
47         __be32                  addr;
48         __u16                   flags;
49         __u16                   __reserved;
50         __u32                   datalen;
51         __u32                   __reserved2;
52         /* data follows */
53 };
54
55 /* PRL flags */
56 #define PRL_DEFAULT             0x0001
57
58 struct ip_tunnel_6rd {
59         struct in6_addr         prefix;
60         __be32                  relay_prefix;
61         __u16                   prefixlen;
62         __u16                   relay_prefixlen;
63 };
64
65 enum {
66         IFLA_GRE_UNSPEC,
67         IFLA_GRE_LINK,
68         IFLA_GRE_IFLAGS,
69         IFLA_GRE_OFLAGS,
70         IFLA_GRE_IKEY,
71         IFLA_GRE_OKEY,
72         IFLA_GRE_LOCAL,
73         IFLA_GRE_REMOTE,
74         IFLA_GRE_TTL,
75         IFLA_GRE_TOS,
76         IFLA_GRE_PMTUDISC,
77         __IFLA_GRE_MAX,
78 };
79
80 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
81
82 #endif /* _IF_TUNNEL_H_ */