4 #include <linux/types.h>
6 #define IPV6_TLV_TNL_ENCAP_LIMIT 4
7 #define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4
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
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 */
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