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 #include <linux/in6.h>
  10 #endif
  11
  12 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
  13 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
  14 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
  15 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
  16 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
  17 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
  18 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
  19 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
  20 #define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
  21 #define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
  22 #define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
  23 #define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
  24
  25 #define GRE_CSUM        __cpu_to_be16(0x8000)
  26 #define GRE_ROUTING     __cpu_to_be16(0x4000)
  27 #define GRE_KEY         __cpu_to_be16(0x2000)
  28 #define GRE_SEQ         __cpu_to_be16(0x1000)
  29 #define GRE_STRICT      __cpu_to_be16(0x0800)
  30 #define GRE_REC         __cpu_to_be16(0x0700)
  31 #define GRE_FLAGS       __cpu_to_be16(0x00F8)
  32 #define GRE_VERSION     __cpu_to_be16(0x0007)
  33
  34 struct ip_tunnel_parm {
  35         char                    name[IFNAMSIZ];
  36         int                     link;
  37         __be16                  i_flags;
  38         __be16                  o_flags;
  39         __be32                  i_key;
  40         __be32                  o_key;
  41         struct iphdr            iph;
  42 };
  43
  44 /* SIT-mode i_flags */
  45 #define SIT_ISATAP      0x0001
  46
  47 struct ip_tunnel_prl {
  48         __be32                  addr;
  49         __u16                   flags;
  50         __u16                   __reserved;
  51         __u32                   datalen;
  52         __u32                   __reserved2;
  53         /* data follows */
  54 };
  55
  56 /* PRL flags */
  57 #define PRL_DEFAULT             0x0001
  58
  59 struct ip_tunnel_6rd {
  60         struct in6_addr         prefix;
  61         __be32                  relay_prefix;
  62         __u16                   prefixlen;
  63         __u16                   relay_prefixlen;
  64 };
  65
  66 enum {
  67         IFLA_GRE_UNSPEC,
  68         IFLA_GRE_LINK,
  69         IFLA_GRE_IFLAGS,
  70         IFLA_GRE_OFLAGS,
  71         IFLA_GRE_IKEY,
  72         IFLA_GRE_OKEY,
  73         IFLA_GRE_LOCAL,
  74         IFLA_GRE_REMOTE,
  75         IFLA_GRE_TTL,
  76         IFLA_GRE_TOS,
  77         IFLA_GRE_PMTUDISC,
  78         __IFLA_GRE_MAX,
  79 };
  80
  81 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
  82
  83 #endif /* _IF_TUNNEL_H_ */