bfd.h

#ifndef _BFD_H
#define _BFD_H

#ifndef _LINUX_TYPES_H
#define _LINUX_TYPES_H

#include <asm-generic/int-ll64.h>
#include <asm/types.h>

#endif  //_LINUX_TYPES_H

// Echo Codes
#define ECHO_DEFAULT    0
#define ECHO_TIMESTAMP  1

/* Diagnostic Codes */
#define DIAG_NONE                       0
#define DIAG_DETECT_TIME_EXPIRE         1
#define DIAG_ECHO_FAILED                2
#define DIAG_NEIGH_SIG_DOWN             3
#define DIAG_FORWARD_PLANE_RST          4
#define DIAG_PATH_DOWN                  5
#define DIAG_CONCAT_PATH_DOWN           6
#define DIAG_ADMIN_DOWN                 7
#define DIAG_REV_CONCAT_PATH_DOWN       8

/* BFD States */
#define STATE_ADMIN_DOWN    0
#define STATE_DOWN          1
#define STATE_INIT          2
#define STATE_UP            3

/* Auth Types */


struct bfd_control {
#if defined(__LITTLE_ENDIAN_BITFIELD)
    __u8    diagnostic:5,
            version:3;

    __u8    multipoint:1,
            demand:1,
            auth_present:1,
            cpi:1,
            final:1,
            poll:1,
            state:2;
#elif defined(__BIG_ENDIAN_BITFIELD)
    __u8    version:3,
            diagnostic:5;

    __u8    state:2,
            poll:1,
            final:1,
            cpi:1,
            auth_present:1,
            demand:1,
            multipoint:1;
#endif
    __u8 detect_multi;
    __u8 length;
    __u32 my_disc;
    __u32 your_disc;
    __u32 desired_tx;
    __u32 required_rx;
    __u32 required_echo_rx;
};

struct bfd_echo {
        __u8 bfd_version;
        __u8 code;
        __u8 reply;
        __u8 unused;
        __u32 my_disc;
        __u32 your_disc;
        __u32 timestamp;
};

#endif  //_BFD_H