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