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- #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 SIOCGETPRL (SIOCDEVPRIVATE + 4)
- #define SIOCADDPRL (SIOCDEVPRIVATE + 5)
- #define SIOCDELPRL (SIOCDEVPRIVATE + 6)
- #define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
-
- #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)
-
- struct ip_tunnel_parm
- {
- char name[IFNAMSIZ];
- int link;
- __be16 i_flags;
- __be16 o_flags;
- __be32 i_key;
- __be32 o_key;
- struct iphdr iph;
- };
-
- /* SIT-mode i_flags */
- #define SIT_ISATAP 0x0001
-
- struct ip_tunnel_prl {
- __be32 addr;
- __u16 flags;
- __u16 __reserved;
- __u32 datalen;
- __u32 __reserved2;
- /* data follows */
- };
-
- /* PRL flags */
- #define PRL_DEFAULT 0x0001
-
- #endif /* _IF_TUNNEL_H_ */
-