root/include/uapi/linux/if_tunnel.h

INCLUDED FROM

#ifndef _UAPI_IF_TUNNEL_H_
#define _UAPI_IF_TUNNEL_H_

#include <linux/types.h>
#include <asm/byteorder.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 SIOCGET6RD      (SIOCDEVPRIVATE + 8)
#define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
#define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
#define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)

#define GRE_CSUM        __cpu_to_be16(0x8000)
#define GRE_ROUTING     __cpu_to_be16(0x4000)
#define GRE_KEY         __cpu_to_be16(0x2000)
#define GRE_SEQ         __cpu_to_be16(0x1000)
#define GRE_STRICT      __cpu_to_be16(0x0800)
#define GRE_REC         __cpu_to_be16(0x0700)
#define GRE_FLAGS       __cpu_to_be16(0x00F8)
#define GRE_VERSION     __cpu_to_be16(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;
};

enum {
        IFLA_IPTUN_UNSPEC,
        IFLA_IPTUN_LINK,
        IFLA_IPTUN_LOCAL,
        IFLA_IPTUN_REMOTE,
        IFLA_IPTUN_TTL,
        IFLA_IPTUN_TOS,
        IFLA_IPTUN_ENCAP_LIMIT,
        IFLA_IPTUN_FLOWINFO,
        IFLA_IPTUN_FLAGS,
        IFLA_IPTUN_PROTO,
        IFLA_IPTUN_PMTUDISC,
        IFLA_IPTUN_6RD_PREFIX,
        IFLA_IPTUN_6RD_RELAY_PREFIX,
        IFLA_IPTUN_6RD_PREFIXLEN,
        IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
        IFLA_IPTUN_ENCAP_TYPE,
        IFLA_IPTUN_ENCAP_FLAGS,
        IFLA_IPTUN_ENCAP_SPORT,
        IFLA_IPTUN_ENCAP_DPORT,
        __IFLA_IPTUN_MAX,
};
#define IFLA_IPTUN_MAX  (__IFLA_IPTUN_MAX - 1)

enum tunnel_encap_types {
        TUNNEL_ENCAP_NONE,
        TUNNEL_ENCAP_FOU,
        TUNNEL_ENCAP_GUE,
};

#define TUNNEL_ENCAP_FLAG_CSUM          (1<<0)
#define TUNNEL_ENCAP_FLAG_CSUM6         (1<<1)

/* 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

struct ip_tunnel_6rd {
        struct in6_addr         prefix;
        __be32                  relay_prefix;
        __u16                   prefixlen;
        __u16                   relay_prefixlen;
};

enum {
        IFLA_GRE_UNSPEC,
        IFLA_GRE_LINK,
        IFLA_GRE_IFLAGS,
        IFLA_GRE_OFLAGS,
        IFLA_GRE_IKEY,
        IFLA_GRE_OKEY,
        IFLA_GRE_LOCAL,
        IFLA_GRE_REMOTE,
        IFLA_GRE_TTL,
        IFLA_GRE_TOS,
        IFLA_GRE_PMTUDISC,
        IFLA_GRE_ENCAP_LIMIT,
        IFLA_GRE_FLOWINFO,
        IFLA_GRE_FLAGS,
        IFLA_GRE_ENCAP_TYPE,
        IFLA_GRE_ENCAP_FLAGS,
        IFLA_GRE_ENCAP_SPORT,
        IFLA_GRE_ENCAP_DPORT,
        __IFLA_GRE_MAX,
};

#define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)

/* VTI-mode i_flags */
#define VTI_ISVTI ((__force __be16)0x0001)

enum {
        IFLA_VTI_UNSPEC,
        IFLA_VTI_LINK,
        IFLA_VTI_IKEY,
        IFLA_VTI_OKEY,
        IFLA_VTI_LOCAL,
        IFLA_VTI_REMOTE,
        __IFLA_VTI_MAX,
};

#define IFLA_VTI_MAX    (__IFLA_VTI_MAX - 1)
#endif /* _UAPI_IF_TUNNEL_H_ */