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1da177e4 LT |
1 | #ifndef _IF_TUNNEL_H_ |
2 | #define _IF_TUNNEL_H_ | |
3 | ||
4 | #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) | |
5 | #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) | |
6 | #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) | |
7 | #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) | |
8 | ||
9 | #define GRE_CSUM __constant_htons(0x8000) | |
10 | #define GRE_ROUTING __constant_htons(0x4000) | |
11 | #define GRE_KEY __constant_htons(0x2000) | |
12 | #define GRE_SEQ __constant_htons(0x1000) | |
13 | #define GRE_STRICT __constant_htons(0x0800) | |
14 | #define GRE_REC __constant_htons(0x0700) | |
15 | #define GRE_FLAGS __constant_htons(0x00F8) | |
16 | #define GRE_VERSION __constant_htons(0x0007) | |
17 | ||
18 | struct ip_tunnel_parm | |
19 | { | |
20 | char name[IFNAMSIZ]; | |
21 | int link; | |
22 | __u16 i_flags; | |
23 | __u16 o_flags; | |
24 | __u32 i_key; | |
25 | __u32 o_key; | |
26 | struct iphdr iph; | |
27 | }; | |
28 | ||
29 | #endif /* _IF_TUNNEL_H_ */ |