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01: #ifndef _IF_TUNNEL_H_
02: #define _IF_TUNNEL_H_
03: 
04: #include <linux/types.h>
05: #include <asm/byteorder.h>
06: 
07: 
08: #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
09: #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
10: #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
11: #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
12: #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
13: #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
14: #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
15: #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
16: #define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
17: #define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
18: #define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
19: #define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
20: 
21: #define GRE_CSUM        __cpu_to_be16(0x8000)
22: #define GRE_ROUTING     __cpu_to_be16(0x4000)
23: #define GRE_KEY         __cpu_to_be16(0x2000)
24: #define GRE_SEQ         __cpu_to_be16(0x1000)
25: #define GRE_STRICT      __cpu_to_be16(0x0800)
26: #define GRE_REC         __cpu_to_be16(0x0700)
27: #define GRE_FLAGS       __cpu_to_be16(0x00F8)
28: #define GRE_VERSION     __cpu_to_be16(0x0007)
29: 
30: struct ip_tunnel_parm {
31:         char                    name[IFNAMSIZ];
32:         int                     link;
33:         __be16                  i_flags;
34:         __be16                  o_flags;
35:         __be32                  i_key;
36:         __be32                  o_key;
37:         struct iphdr            iph;
38: };
39: 
40: /* SIT-mode i_flags */
41: #define SIT_ISATAP      0x0001
42: 
43: struct ip_tunnel_prl {
44:         __be32                  addr;
45:         __u16                   flags;
46:         __u16                   __reserved;
47:         __u32                   datalen;
48:         __u32                   __reserved2;
49:         /* data follows */
50: };
51: 
52: /* PRL flags */
53: #define PRL_DEFAULT             0x0001
54: 
55: struct ip_tunnel_6rd {
56:         struct in6_addr         prefix;
57:         __be32                  relay_prefix;
58:         __u16                   prefixlen;
59:         __u16                   relay_prefixlen;
60: };
61: 
62: enum {
63:         IFLA_GRE_UNSPEC,
64:         IFLA_GRE_LINK,
65:         IFLA_GRE_IFLAGS,
66:         IFLA_GRE_OFLAGS,
67:         IFLA_GRE_IKEY,
68:         IFLA_GRE_OKEY,
69:         IFLA_GRE_LOCAL,
70:         IFLA_GRE_REMOTE,
71:         IFLA_GRE_TTL,
72:         IFLA_GRE_TOS,
73:         IFLA_GRE_PMTUDISC,
74:         __IFLA_GRE_MAX,
75: };
76: 
77: #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
78: 
79: #endif /* _IF_TUNNEL_H_ */
80: 

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