Merge branch 'docs-next' of git://git.lwn.net/linux-2.6
[linux-2.6/next.git] / include / linux / if_tunnel.h
blob5a9aae4adb444a3c8a63b5b9c5afd2c4456396de
1 #ifndef _IF_TUNNEL_H_
2 #define _IF_TUNNEL_H_
4 #include <linux/types.h>
6 #ifdef __KERNEL__
7 #include <linux/ip.h>
8 #endif
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)
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)
28 struct ip_tunnel_parm
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;
39 /* SIT-mode i_flags */
40 #define SIT_ISATAP 0x0001
42 struct ip_tunnel_prl {
43 __be32 addr;
44 __u16 flags;
45 __u16 __reserved;
46 __u32 datalen;
47 __u32 __reserved2;
48 /* data follows */
51 /* PRL flags */
52 #define PRL_DEFAULT 0x0001
54 enum
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,
70 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
72 #endif /* _IF_TUNNEL_H_ */