diff options
Diffstat (limited to 'include/linux/ip6_tunnel.h')
| -rw-r--r-- | include/linux/ip6_tunnel.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/ip6_tunnel.h b/include/linux/ip6_tunnel.h new file mode 100644 index 0000000..0245269 --- /dev/null +++ b/include/linux/ip6_tunnel.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IP6_TUNNEL_H +#define _IP6_TUNNEL_H + +#include <linux/types.h> +#include <linux/if.h> /* For IFNAMSIZ. */ +#include <linux/in6.h> /* For struct in6_addr. */ + +#define IPV6_TLV_TNL_ENCAP_LIMIT 4 +#define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4 + +/* don't add encapsulation limit if one isn't present in inner packet */ +#define IP6_TNL_F_IGN_ENCAP_LIMIT 0x1 +/* copy the traffic class field from the inner packet */ +#define IP6_TNL_F_USE_ORIG_TCLASS 0x2 +/* copy the flowlabel from the inner packet */ +#define IP6_TNL_F_USE_ORIG_FLOWLABEL 0x4 +/* being used for Mobile IPv6 */ +#define IP6_TNL_F_MIP6_DEV 0x8 +/* copy DSCP from the outer packet */ +#define IP6_TNL_F_RCV_DSCP_COPY 0x10 +/* copy fwmark from inner packet */ +#define IP6_TNL_F_USE_ORIG_FWMARK 0x20 +/* allow remote endpoint on the local node */ +#define IP6_TNL_F_ALLOW_LOCAL_REMOTE 0x40 + +struct ip6_tnl_parm { + char name[IFNAMSIZ]; /* name of tunnel device */ + int link; /* ifindex of underlying L2 interface */ + __u8 proto; /* tunnel protocol */ + __u8 encap_limit; /* encapsulation limit for tunnel */ + __u8 hop_limit; /* hop limit for tunnel */ + __be32 flowinfo; /* traffic class and flowlabel for tunnel */ + __u32 flags; /* tunnel flags */ + struct in6_addr laddr; /* local tunnel end-point address */ + struct in6_addr raddr; /* remote tunnel end-point address */ +}; + +struct ip6_tnl_parm2 { + char name[IFNAMSIZ]; /* name of tunnel device */ + int link; /* ifindex of underlying L2 interface */ + __u8 proto; /* tunnel protocol */ + __u8 encap_limit; /* encapsulation limit for tunnel */ + __u8 hop_limit; /* hop limit for tunnel */ + __be32 flowinfo; /* traffic class and flowlabel for tunnel */ + __u32 flags; /* tunnel flags */ + struct in6_addr laddr; /* local tunnel end-point address */ + struct in6_addr raddr; /* remote tunnel end-point address */ + + __be16 i_flags; + __be16 o_flags; + __be32 i_key; + __be32 o_key; +}; + +#endif |