if_tunnel.h revision 67881151423f1173ddc31e4f27d736044c2c9a96 
1#ifndef _IF_TUNNEL_H_
2#define _IF_TUNNEL_H_
3
4#include <linux/types.h>
5
6
7#define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
8#define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
9#define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
10#define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
11#define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
12#define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
13#define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
14#define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
15
16#define GRE_CSUM	__constant_htons(0x8000)
17#define GRE_ROUTING	__constant_htons(0x4000)
18#define GRE_KEY		__constant_htons(0x2000)
19#define GRE_SEQ		__constant_htons(0x1000)
20#define GRE_STRICT	__constant_htons(0x0800)
21#define GRE_REC		__constant_htons(0x0700)
22#define GRE_FLAGS	__constant_htons(0x00F8)
23#define GRE_VERSION	__constant_htons(0x0007)
24
25struct ip_tunnel_parm
26{
27	char			name[IFNAMSIZ];
28	int			link;
29	__be16			i_flags;
30	__be16			o_flags;
31	__be32			i_key;
32	__be32			o_key;
33	struct iphdr		iph;
34};
35
36/* SIT-mode i_flags */
37#define	SIT_ISATAP	0x0001
38
39struct ip_tunnel_prl {
40	__be32			addr;
41	__u16			flags;
42	__u16			__reserved;
43	__u32			datalen;
44	__u32			__reserved2;
45	/* data follows */
46};
47
48/* PRL flags */
49#define	PRL_DEFAULT		0x0001
50
51enum
52{
53	IFLA_GRE_UNSPEC,
54	IFLA_GRE_LINK,
55	IFLA_GRE_IFLAGS,
56	IFLA_GRE_OFLAGS,
57	IFLA_GRE_IKEY,
58	IFLA_GRE_OKEY,
59	IFLA_GRE_LOCAL,
60	IFLA_GRE_REMOTE,
61	IFLA_GRE_TTL,
62	IFLA_GRE_TOS,
63	IFLA_GRE_PMTUDISC,
64	__IFLA_GRE_MAX,
65};
66
67#define IFLA_GRE_MAX	(__IFLA_GRE_MAX - 1)
68
69#endif /* _IF_TUNNEL_H_ */
70