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