Mtftp4Option.h

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#ifndef __EFI_MTFTP4_OPTION_H__
#define __EFI_MTFTP4_OPTION_H__
 
#define MTFTP4_SUPPORTED_OPTIONS  5
#define MTFTP4_OPCODE_LEN         2
#define MTFTP4_ERRCODE_LEN        2
#define MTFTP4_BLKNO_LEN          2
#define MTFTP4_DATA_HEAD_LEN      4
 
#define MTFTP4_BLKSIZE_EXIST     0x01
#define MTFTP4_TIMEOUT_EXIST     0x02
#define MTFTP4_TSIZE_EXIST       0x04
#define MTFTP4_MCAST_EXIST       0x08
#define MTFTP4_WINDOWSIZE_EXIST  0x10
 
typedef struct {
  UINT16      BlkSize;
  UINT16      WindowSize;
  UINT8       Timeout;
  UINT32      Tsize;
  IP4_ADDR    McastIp;
  UINT16      McastPort;
  BOOLEAN     Master;
  UINT32      Exist;
} MTFTP4_OPTION;
 
EFI_STATUS
Mtftp4ExtractOptions (
  IN     EFI_MTFTP4_PACKET  *Packet,
  IN     UINT32             PacketLen,
  OUT UINT32                *OptionCount,
  OUT EFI_MTFTP4_OPTION     **OptionList        OPTIONAL
  );
 
EFI_STATUS
Mtftp4ParseOption (
  IN     EFI_MTFTP4_OPTION  *Options,
  IN     UINT32             Count,
  IN     BOOLEAN            Request,
  IN     UINT16             Operation,
  OUT MTFTP4_OPTION         *MtftpOption
  );
 
EFI_STATUS
Mtftp4ParseOptionOack (
  IN     EFI_MTFTP4_PACKET  *Packet,
  IN     UINT32             PacketLen,
  IN     UINT16             Operation,
  OUT MTFTP4_OPTION         *MtftpOption
  );
 
extern CHAR8  *mMtftp4SupportedOptions[MTFTP4_SUPPORTED_OPTIONS];
 
#endif