if_tunnel.h revision c40bba6922b470c0fd0c7a7b8b09584527c468e9 
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
28struct 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
42struct 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
54enum
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_ */
73