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
