LXR linux/include/linux/if

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