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/** @file
Mtftp6 option parse functions declaration.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EFI_MTFTP6_OPTION_H__
#define __EFI_MTFTP6_OPTION_H__
#include <Uefi.h>
#include <Protocol/ServiceBinding.h>
#include <Library/NetLib.h>
#include <Library/UdpIoLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#define MTFTP6_SUPPORTED_OPTIONS_NUM 5
#define MTFTP6_OPCODE_LEN 2
#define MTFTP6_ERRCODE_LEN 2
#define MTFTP6_BLKNO_LEN 2
#define MTFTP6_DATA_HEAD_LEN 4
//
// The bit map definition for Mtftp6 extension options.
//
#define MTFTP6_OPT_BLKSIZE_BIT 0x01
#define MTFTP6_OPT_TIMEOUT_BIT 0x02
#define MTFTP6_OPT_TSIZE_BIT 0x04
#define MTFTP6_OPT_MCAST_BIT 0x08
#define MTFTP6_OPT_WINDOWSIZE_BIT 0X10
extern CHAR8 *mMtftp6SupportedOptions[MTFTP6_SUPPORTED_OPTIONS_NUM];
typedef struct {
UINT16 BlkSize;
UINT16 WindowSize;
UINT8 Timeout;
UINT32 Tsize;
EFI_IPv6_ADDRESS McastIp;
UINT16 McastPort;
BOOLEAN IsMaster;
UINT32 BitMap;
} MTFTP6_EXT_OPTION_INFO;
/**
Parse the Ascii string of multi-cast option.
@param[in] Str The pointer to the Ascii string of multi-cast option.
@param[in] ExtInfo The pointer to the option information to be filled.
@retval EFI_SUCCESS Parse the multicast option successfully.
@retval EFI_INVALID_PARAMETER The string is malformatted.
**/
EFI_STATUS
Mtftp6ParseMcastOption (
IN UINT8 *Str,
IN MTFTP6_EXT_OPTION_INFO *ExtInfo
);
/**
Parse the MTFTP6 extension options.
@param[in] Options The pointer to the extension options list.
@param[in] Count The num of the extension options.
@param[in] IsRequest If FALSE, the extension options is included
by a request packet.
@param[in] Operation The current performed operation.
@param[in] ExtInfo The pointer to the option information to be filled.
@retval EFI_SUCCESS Parse the multicast option successfully.
@retval EFI_INVALID_PARAMETER There is one option is malformatted at least.
@retval EFI_UNSUPPORTED There is one option is not supported at least.
**/
EFI_STATUS
Mtftp6ParseExtensionOption (
IN EFI_MTFTP6_OPTION *Options,
IN UINT32 Count,
IN BOOLEAN IsRequest,
IN UINT16 Operation,
IN MTFTP6_EXT_OPTION_INFO *ExtInfo
);
/**
Go through the packet to fill the options array with the start
addresses of each MTFTP option name/value pair.
@param[in] Packet The packet to be checked.
@param[in] PacketLen The length of the packet.
@param[in, out] Count The num of the Options on input.
The actual one on output.
@param[in] Options The option array to be filled
it's optional.
@retval EFI_SUCCESS The packet has been parsed successfully.
@retval EFI_INVALID_PARAMETER The packet is malformatted
@retval EFI_BUFFER_TOO_SMALL The Options array is too small
@retval EFI_PROTOCOL_ERROR An unexpected MTFTPv6 packet was received.
**/
EFI_STATUS
Mtftp6ParsePacketOption (
IN EFI_MTFTP6_PACKET *Packet,
IN UINT32 PacketLen,
IN OUT UINT32 *Count,
IN EFI_MTFTP6_OPTION *Options OPTIONAL
);
/**
Go through the packet, generate option list array and fill it
by the result of parse options.
@param[in] Packet The packet to be checked.
@param[in] PacketLen The length of the packet.
@param[in, out] OptionCount The num of the Options on input.
The actual one on output.
@param[out] OptionList The option list array to be generated
and filled. It is optional.
@retval EFI_SUCCESS The packet has been parsed successfully.
@retval EFI_INVALID_PARAMETER The packet is malformatted.
@retval EFI_PROTOCOL_ERROR An option is malformatted.
@retval EFI_NOT_FOUND The packet has no options.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the array.
@retval EFI_BUFFER_TOO_SMALL The size of option list array is too small.
**/
EFI_STATUS
Mtftp6ParseStart (
IN EFI_MTFTP6_PACKET *Packet,
IN UINT32 PacketLen,
IN OUT UINT32 *OptionCount,
OUT EFI_MTFTP6_OPTION **OptionList OPTIONAL
);
#endif
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