Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _IP6_TUNNEL_H
2#define _IP6_TUNNEL_H
3
4#include <linux/types.h>
5#include <linux/if.h> /* For IFNAMSIZ. */
6#include <linux/in6.h> /* For struct in6_addr. */
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/* copy fwmark from inner packet */
22#define IP6_TNL_F_USE_ORIG_FWMARK 0x20
23
24struct ip6_tnl_parm {
25 char name[IFNAMSIZ]; /* name of tunnel device */
26 int link; /* ifindex of underlying L2 interface */
27 __u8 proto; /* tunnel protocol */
28 __u8 encap_limit; /* encapsulation limit for tunnel */
29 __u8 hop_limit; /* hop limit for tunnel */
30 __be32 flowinfo; /* traffic class and flowlabel for tunnel */
31 __u32 flags; /* tunnel flags */
32 struct in6_addr laddr; /* local tunnel end-point address */
33 struct in6_addr raddr; /* remote tunnel end-point address */
34};
35
36struct ip6_tnl_parm2 {
37 char name[IFNAMSIZ]; /* name of tunnel device */
38 int link; /* ifindex of underlying L2 interface */
39 __u8 proto; /* tunnel protocol */
40 __u8 encap_limit; /* encapsulation limit for tunnel */
41 __u8 hop_limit; /* hop limit for tunnel */
42 __be32 flowinfo; /* traffic class and flowlabel for tunnel */
43 __u32 flags; /* tunnel flags */
44 struct in6_addr laddr; /* local tunnel end-point address */
45 struct in6_addr raddr; /* remote tunnel end-point address */
46
47 __be16 i_flags;
48 __be16 o_flags;
49 __be32 i_key;
50 __be32 o_key;
51};
52
53#endif