ip6_tunnel.h revision 288384f22ffafd2d7d888ee45d8dfcf26d3f2b1c 
1/*
2 * $Id$
3 */
4
5#ifndef _IP6_TUNNEL_H
6#define _IP6_TUNNEL_H
7
8#define IPV6_TLV_TNL_ENCAP_LIMIT 4
9#define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4
10
11/* don't add encapsulation limit if one isn't present in inner packet */
12#define IP6_TNL_F_IGN_ENCAP_LIMIT 0x1
13/* copy the traffic class field from the inner packet */
14#define IP6_TNL_F_USE_ORIG_TCLASS 0x2
15/* copy the flowlabel from the inner packet */
16#define IP6_TNL_F_USE_ORIG_FLOWLABEL 0x4
17/* being used for Mobile IPv6 */
18#define IP6_TNL_F_MIP6_DEV 0x8
19/* copy DSCP from the outer packet */
20#define IP6_TNL_F_RCV_DSCP_COPY 0x10
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	__u32 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
34#endif
35