xref: /linux/include/linux/if_tunnel.h (revision c19e654ddbe3831252f61e76a74d661e1a755530)
11da177e4SLinus Torvalds #ifndef _IF_TUNNEL_H_
21da177e4SLinus Torvalds #define _IF_TUNNEL_H_
31da177e4SLinus Torvalds 
46fd8bb88SMasahide NAKAMURA #include <linux/types.h>
5*c19e654dSHerbert Xu #include <linux/ip.h>
66fd8bb88SMasahide NAKAMURA 
71da177e4SLinus Torvalds #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
81da177e4SLinus Torvalds #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
91da177e4SLinus Torvalds #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
101da177e4SLinus Torvalds #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
11300aaeeaSYOSHIFUJI Hideaki #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
12fadf6bf0STemplin, Fred L #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
13fadf6bf0STemplin, Fred L #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
14fadf6bf0STemplin, Fred L #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
151da177e4SLinus Torvalds 
161da177e4SLinus Torvalds #define GRE_CSUM	__constant_htons(0x8000)
171da177e4SLinus Torvalds #define GRE_ROUTING	__constant_htons(0x4000)
181da177e4SLinus Torvalds #define GRE_KEY		__constant_htons(0x2000)
191da177e4SLinus Torvalds #define GRE_SEQ		__constant_htons(0x1000)
201da177e4SLinus Torvalds #define GRE_STRICT	__constant_htons(0x0800)
211da177e4SLinus Torvalds #define GRE_REC		__constant_htons(0x0700)
221da177e4SLinus Torvalds #define GRE_FLAGS	__constant_htons(0x00F8)
231da177e4SLinus Torvalds #define GRE_VERSION	__constant_htons(0x0007)
241da177e4SLinus Torvalds 
251da177e4SLinus Torvalds struct ip_tunnel_parm
261da177e4SLinus Torvalds {
271da177e4SLinus Torvalds 	char			name[IFNAMSIZ];
281da177e4SLinus Torvalds 	int			link;
29d5a0a1e3SAl Viro 	__be16			i_flags;
30d5a0a1e3SAl Viro 	__be16			o_flags;
31d5a0a1e3SAl Viro 	__be32			i_key;
32d5a0a1e3SAl Viro 	__be32			o_key;
331da177e4SLinus Torvalds 	struct iphdr		iph;
341da177e4SLinus Torvalds };
351da177e4SLinus Torvalds 
36fadf6bf0STemplin, Fred L /* SIT-mode i_flags */
37fadf6bf0STemplin, Fred L #define	SIT_ISATAP	0x0001
38fadf6bf0STemplin, Fred L 
39fadf6bf0STemplin, Fred L struct ip_tunnel_prl {
40fadf6bf0STemplin, Fred L 	__be32			addr;
41fadf6bf0STemplin, Fred L 	__u16			flags;
42fadf6bf0STemplin, Fred L 	__u16			__reserved;
43300aaeeaSYOSHIFUJI Hideaki 	__u32			datalen;
44300aaeeaSYOSHIFUJI Hideaki 	__u32			__reserved2;
452b4743bdSYOSHIFUJI Hideaki 	/* data follows */
46fadf6bf0STemplin, Fred L };
47fadf6bf0STemplin, Fred L 
48fadf6bf0STemplin, Fred L /* PRL flags */
49fadf6bf0STemplin, Fred L #define	PRL_DEFAULT		0x0001
50fadf6bf0STemplin, Fred L 
51*c19e654dSHerbert Xu enum
52*c19e654dSHerbert Xu {
53*c19e654dSHerbert Xu 	IFLA_GRE_UNSPEC,
54*c19e654dSHerbert Xu 	IFLA_GRE_LINK,
55*c19e654dSHerbert Xu 	IFLA_GRE_IFLAGS,
56*c19e654dSHerbert Xu 	IFLA_GRE_OFLAGS,
57*c19e654dSHerbert Xu 	IFLA_GRE_IKEY,
58*c19e654dSHerbert Xu 	IFLA_GRE_OKEY,
59*c19e654dSHerbert Xu 	IFLA_GRE_LOCAL,
60*c19e654dSHerbert Xu 	IFLA_GRE_REMOTE,
61*c19e654dSHerbert Xu 	IFLA_GRE_TTL,
62*c19e654dSHerbert Xu 	IFLA_GRE_TOS,
63*c19e654dSHerbert Xu 	IFLA_GRE_PMTUDISC,
64*c19e654dSHerbert Xu 	__IFLA_GRE_MAX,
65*c19e654dSHerbert Xu };
66*c19e654dSHerbert Xu 
67*c19e654dSHerbert Xu #define IFLA_GRE_MAX	(__IFLA_GRE_MAX - 1)
68*c19e654dSHerbert Xu 
691da177e4SLinus Torvalds #endif /* _IF_TUNNEL_H_ */
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