| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | __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 |