1#ifndef _IP6_TUNNEL_H
2#define _IP6_TUNNEL_H
3
4#include <linux/types.h>
5
6#define IPV6_TLV_TNL_ENCAP_LIMIT 4
7#define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4
8
9/* don't add encapsulation limit if one isn't present in inner packet */
10#define IP6_TNL_F_IGN_ENCAP_LIMIT 0x1
11/* copy the traffic class field from the inner packet */
12#define IP6_TNL_F_USE_ORIG_TCLASS 0x2
13/* copy the flowlabel from the inner packet */
14#define IP6_TNL_F_USE_ORIG_FLOWLABEL 0x4
15/* being used for Mobile IPv6 */
16#define IP6_TNL_F_MIP6_DEV 0x8
17/* copy DSCP from the outer packet */
18#define IP6_TNL_F_RCV_DSCP_COPY 0x10
19/* copy fwmark from inner packet */
20#define IP6_TNL_F_USE_ORIG_FWMARK 0x20
21
22struct ip6_tnl_parm {
23	char name[IFNAMSIZ];	/* name of tunnel device */
24	int link;		/* ifindex of underlying L2 interface */
25	__u8 proto;		/* tunnel protocol */
26	__u8 encap_limit;	/* encapsulation limit for tunnel */
27	__u8 hop_limit;		/* hop limit for tunnel */
28	__be32 flowinfo;	/* traffic class and flowlabel for tunnel */
29	__u32 flags;		/* tunnel flags */
30	struct in6_addr laddr;	/* local tunnel end-point address */
31	struct in6_addr raddr;	/* remote tunnel end-point address */
32};
33
34struct ip6_tnl_parm2 {
35	char name[IFNAMSIZ];	/* name of tunnel device */
36	int link;		/* ifindex of underlying L2 interface */
37	__u8 proto;		/* tunnel protocol */
38	__u8 encap_limit;	/* encapsulation limit for tunnel */
39	__u8 hop_limit;		/* hop limit for tunnel */
40	__be32 flowinfo;	/* traffic class and flowlabel for tunnel */
41	__u32 flags;		/* tunnel flags */
42	struct in6_addr laddr;	/* local tunnel end-point address */
43	struct in6_addr raddr;	/* remote tunnel end-point address */
44
45	__be16			i_flags;
46	__be16			o_flags;
47	__be32			i_key;
48	__be32			o_key;
49};
50
51#endif
52