include/linux/if_tunnel.h

   1 #ifndef _IF_TUNNEL_H_
   2 #define _IF_TUNNEL_H_
   3
   4 #include <linux/types.h>
   5
   6 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
   7 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
   8 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
   9 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
  10 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
  11 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
  12 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
  13 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
  14
  15 #define GRE_CSUM        __constant_htons(0x8000)
  16 #define GRE_ROUTING     __constant_htons(0x4000)
  17 #define GRE_KEY         __constant_htons(0x2000)
  18 #define GRE_SEQ         __constant_htons(0x1000)
  19 #define GRE_STRICT      __constant_htons(0x0800)
  20 #define GRE_REC         __constant_htons(0x0700)
  21 #define GRE_FLAGS       __constant_htons(0x00F8)
  22 #define GRE_VERSION     __constant_htons(0x0007)
  23
  24 struct ip_tunnel_parm
  25 {
  26         char                    name[IFNAMSIZ];
  27         int                     link;
  28         __be16                  i_flags;
  29         __be16                  o_flags;
  30         __be32                  i_key;
  31         __be32                  o_key;
  32         struct iphdr            iph;
  33 };
  34
  35 /* SIT-mode i_flags */
  36 #define SIT_ISATAP      0x0001
  37
  38 struct ip_tunnel_prl {
  39         __be32                  addr;
  40         __u16                   flags;
  41         __u16                   __reserved;
  42         __u32                   datalen;
  43         __u32                   __reserved2;
  44         /* data follows */
  45 };
  46
  47 /* PRL flags */
  48 #define PRL_DEFAULT             0x0001
  49
  50 #endif /* _IF_TUNNEL_H_ */