| #ifndef _IF_TUNNEL_H_ |
| #define _IF_TUNNEL_H_ |
| |
| #include <linux/types.h> |
| |
| #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) |
| #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) |
| #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) |
| #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) |
| |
| #define GRE_CSUM __constant_htons(0x8000) |
| #define GRE_ROUTING __constant_htons(0x4000) |
| #define GRE_KEY __constant_htons(0x2000) |
| #define GRE_SEQ __constant_htons(0x1000) |
| #define GRE_STRICT __constant_htons(0x0800) |
| #define GRE_REC __constant_htons(0x0700) |
| #define GRE_FLAGS __constant_htons(0x00F8) |
| #define GRE_VERSION __constant_htons(0x0007) |
| |
| /* i_flags values for SIT mode */ |
| #define SIT_ISATAP 0x0001 |
| |
| struct ip_tunnel_parm |
| { |
| char name[IFNAMSIZ]; |
| int link; |
| __be16 i_flags; |
| __be16 o_flags; |
| __be32 i_key; |
| __be32 o_key; |
| struct iphdr iph; |
| }; |
| |
| #endif /* _IF_TUNNEL_H_ */ |