include/linux/if_tunnel.h

   1 #ifndef _IF_TUNNEL_H_
   2 #define _IF_TUNNEL_H_
   3
   4 #include <linux/types.h>
   5 #include <asm/byteorder.h>
   6
   7 #ifdef __KERNEL__
   8 #include <linux/ip.h>
   9 #endif
  10
  11 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
  12 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
  13 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
  14 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
  15 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
  16 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
  17 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
  18 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
  19
  20 #define GRE_CSUM        __cpu_to_be16(0x8000)
  21 #define GRE_ROUTING     __cpu_to_be16(0x4000)
  22 #define GRE_KEY         __cpu_to_be16(0x2000)
  23 #define GRE_SEQ         __cpu_to_be16(0x1000)
  24 #define GRE_STRICT      __cpu_to_be16(0x0800)
  25 #define GRE_REC         __cpu_to_be16(0x0700)
  26 #define GRE_FLAGS       __cpu_to_be16(0x00F8)
  27 #define GRE_VERSION     __cpu_to_be16(0x0007)
  28
  29 struct ip_tunnel_parm
  30 {
  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 enum
  56 {
  57         IFLA_GRE_UNSPEC,
  58         IFLA_GRE_LINK,
  59         IFLA_GRE_IFLAGS,
  60         IFLA_GRE_OFLAGS,
  61         IFLA_GRE_IKEY,
  62         IFLA_GRE_OKEY,
  63         IFLA_GRE_LOCAL,
  64         IFLA_GRE_REMOTE,
  65         IFLA_GRE_TTL,
  66         IFLA_GRE_TOS,
  67         IFLA_GRE_PMTUDISC,
  68         __IFLA_GRE_MAX,
  69 };
  70
  71 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
  72
  73 #endif /* _IF_TUNNEL_H_ */