#ifndef _IFDEF_
#define _IFDEF_

#define IF_MAX_STRING_SIZE 256
#define IF_MAX_PHYS_ADDRESS_LENGTH 32

typedef union _NET_LUID_LH
{
    ULONG64 Value;
    struct
    {
        ULONG64 Reserved:24;
        ULONG64 NetLuidIndex:24;
        ULONG64 IfType:16;
    }Info;
} NET_LUID_LH, *PNET_LUID_LH;

typedef NET_LUID_LH NET_LUID;
typedef NET_LUID* PNET_LUID;

typedef ULONG NET_IFINDEX, *PNET_IFINDEX;
typedef ULONG IFTYPE;
typedef GUID NET_IF_NETWORK_GUID, *PNET_IF_NETWORK_GUID;

typedef enum {
    TUNNEL_TYPE_NONE = 0,
    TUNNEL_TYPE_OTHER = 1,
    TUNNEL_TYPE_DIRECT = 2,
    TUNNEL_TYPE_6TO4 = 11,
    TUNNEL_TYPE_ISATAP = 13,
    TUNNEL_TYPE_TEREDO = 14,
} TUNNEL_TYPE, *PTUNNEL_TYPE;

typedef enum _NET_IF_ACCESS_TYPE
{
    NET_IF_ACCESS_LOOPBACK = 1,
    NET_IF_ACCESS_BROADCAST = 2,
    NET_IF_ACCESS_POINT_TO_POINT = 3,
    NET_IF_ACCESS_POINT_TO_MULTI_POINT = 4,
    NET_IF_ACCESS_MAXIMUM = 5
} NET_IF_ACCESS_TYPE, *PNET_IF_ACCESS_TYPE;

typedef enum _NET_IF_DIRECTION_TYPE
{
    NET_IF_DIRECTION_SENDRECEIVE,
    NET_IF_DIRECTION_SENDONLY,
    NET_IF_DIRECTION_RECEIVEONLY,
    NET_IF_DIRECTION_MAXIMUM
} NET_IF_DIRECTION_TYPE, *PNET_IF_DIRECTION_TYPE;

typedef enum _NET_IF_ADMIN_STATUS
{
    NET_IF_ADMIN_STATUS_UP = 1,
    NET_IF_ADMIN_STATUS_DOWN = 2,
    NET_IF_ADMIN_STATUS_TESTING = 3
} NET_IF_ADMIN_STATUS, *PNET_IF_ADMIN_STATUS;

typedef enum _NET_IF_MEDIA_CONNECT_STATE
{
    MediaConnectStateUnknown,
    MediaConnectStateConnected,
    MediaConnectStateDisconnected
} NET_IF_MEDIA_CONNECT_STATE, *PNET_IF_MEDIA_CONNECT_STATE;

typedef enum _NET_IF_CONNECTION_TYPE
{
   NET_IF_CONNECTION_DEDICATED = 1,
   NET_IF_CONNECTION_PASSIVE = 2,
   NET_IF_CONNECTION_DEMAND = 3,
   NET_IF_CONNECTION_MAXIMUM = 4
} NET_IF_CONNECTION_TYPE, *PNET_IF_CONNECTION_TYPE;

typedef enum {
  IfOperStatusUp = 1,
  IfOperStatusDown,
  IfOperStatusTesting,
  IfOperStatusUnknown,
  IfOperStatusDormant,
  IfOperStatusNotPresent,
  IfOperStatusLowerLayerDown
} IF_OPER_STATUS;

#endif /* _IFDEF_ */