Mtftp4Option.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Routines to process MTFTP4 options.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EFI_MTFTP4_OPTION_H__
#define __EFI_MTFTP4_OPTION_H__
#define MTFTP4_SUPPORTED_OPTIONS 4
#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
typedef struct {
/**
Allocate and fill in a array of Mtftp options from the Packet.
It first calls Mtftp4FillOption to get the option number, then allocate
the array, at last, call Mtftp4FillOption again to save the options.
@param Packet The packet to parse
@param PacketLen The length of the packet
@param OptionCount The number of options in the packet
@param OptionList The point to get the option array.
@retval EFI_INVALID_PARAMETER The parametera are invalid or packet isn't a
well-formated OACK packet.
@retval EFI_SUCCESS The option array is build
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the array
**/
);
/**
Parse the option in Options array to MTFTP4_OPTION which program
can access directly.
@param Options The option array, which contains addresses of each
@param Count The number of options in the Options
@param Request Whether this is a request or OACK. The format of
multicast is different according to this setting.
@param MtftpOption The MTFTP4_OPTION for easy access.
@retval EFI_INVALID_PARAMETER The option is mal-formated
@retval EFI_UNSUPPORTED Some option isn't supported
@retval EFI_SUCCESS The option are OK and has been parsed.
**/
);
/**
Parse the options in the OACK packet to MTFTP4_OPTION which program
can access directly.
@param Packet The OACK packet to parse
@param PacketLen The length of the packet
@param MtftpOption The MTFTP_OPTION for easy access.
@retval EFI_INVALID_PARAMETER The packet option is mal-formated
@retval EFI_UNSUPPORTED Some option isn't supported
@retval EFI_SUCCESS The option are OK and has been parsed.
**/
);
#endif