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
22 struct 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
34 #endif
35
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