audk/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h

179 lines
4.8 KiB
C

/** @file
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. 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
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Mtftp4Impl.h
Abstract:
Mtftp4 Implementation, it supports the following RFCs:
RFC1350 - THE TFTP PROTOCOL (REVISION 2)
RFC2090 - TFTP Multicast Option
RFC2347 - TFTP Option Extension
RFC2348 - TFTP Blocksize Option
RFC2349 - TFTP Timeout Interval and Transfer Size Options
**/
#ifndef __EFI_MTFTP4_IMPL_H__
#define __EFI_MTFTP4_IMPL_H__
#include <PiDxe.h>
#include <Protocol/Udp4.h>
#include <Protocol/Mtftp4.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/UdpIoLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseMemoryLib.h>
typedef struct _MTFTP4_SERVICE MTFTP4_SERVICE;
typedef struct _MTFTP4_PROTOCOL MTFTP4_PROTOCOL;
#include "Mtftp4Driver.h"
#include "Mtftp4Option.h"
#include "Mtftp4Support.h"
enum {
MTFTP4_SERVICE_SIGNATURE = EFI_SIGNATURE_32 ('T', 'F', 'T', 'P'),
MTFTP4_PROTOCOL_SIGNATURE = EFI_SIGNATURE_32 ('t', 'f', 't', 'p'),
MTFTP4_DEFAULT_SERVER_PORT = 69,
MTFTP4_DEFAULT_TIMEOUT = 3,
MTFTP4_DEFAULT_RETRY = 5,
MTFTP4_DEFAULT_BLKSIZE = 512,
MTFTP4_TIME_TO_GETMAP = 5,
MTFTP4_STATE_UNCONFIGED = 0,
MTFTP4_STATE_CONFIGED,
MTFTP4_STATE_DESTORY
};
struct _MTFTP4_SERVICE {
UINT32 Signature;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
BOOLEAN InDestory;
UINT16 ChildrenNum;
NET_LIST_ENTRY Children;
EFI_EVENT Timer; // Ticking timer for all the MTFTP clients
EFI_EVENT TimerToGetMap;
EFI_HANDLE Controller;
EFI_HANDLE Image;
//
// This UDP child is used to keep the connection between the UDP
// and MTFTP, so MTFTP will be notified when UDP is uninstalled.
//
UDP_IO_PORT *ConnectUdp;
};
typedef struct {
EFI_MTFTP4_PACKET **Packet;
UINT32 *PacketLen;
EFI_STATUS Status;
} MTFTP4_GETINFO_STATE;
struct _MTFTP4_PROTOCOL {
UINT32 Signature;
NET_LIST_ENTRY Link;
EFI_MTFTP4_PROTOCOL Mtftp4;
INTN State;
BOOLEAN Indestory;
MTFTP4_SERVICE *Service;
EFI_HANDLE Handle;
EFI_MTFTP4_CONFIG_DATA Config;
//
// Operation parameters: token and requested options.
//
EFI_MTFTP4_TOKEN *Token;
MTFTP4_OPTION RequestOption;
UINT16 Operation;
//
// Blocks is a list of MTFTP4_BLOCK_RANGE which contains
// holes in the file
//
UINT16 BlkSize;
UINT16 LastBlock;
NET_LIST_ENTRY Blocks;
//
// The server's communication end point: IP and two ports. one for
// initial request, one for its selected port.
//
IP4_ADDR ServerIp;
UINT16 ListeningPort;
UINT16 ConnectedPort;
IP4_ADDR Gateway;
UDP_IO_PORT *UnicastPort;
//
// Timeout and retransmit status
//
NET_BUF *LastPacket;
UINT32 PacketToLive;
UINT32 CurRetry;
UINT32 MaxRetry;
UINT32 Timeout;
//
// Parameter used by RRQ's multicast download.
//
IP4_ADDR McastIp;
UINT16 McastPort;
BOOLEAN Master;
UDP_IO_PORT *McastUdpPort;
MTFTP4_GETINFO_STATE GetInfoState;
};
VOID
Mtftp4CleanOperation (
IN MTFTP4_PROTOCOL *Instance,
IN EFI_STATUS Result
);
EFI_STATUS
Mtftp4WrqStart (
IN MTFTP4_PROTOCOL *Instance,
IN UINT16 Operation
);
EFI_STATUS
Mtftp4RrqStart (
IN MTFTP4_PROTOCOL *Instance,
IN UINT16 Operation
);
#define MTFTP4_SERVICE_FROM_THIS(a) \
CR (a, MTFTP4_SERVICE, ServiceBinding, MTFTP4_SERVICE_SIGNATURE)
#define MTFTP4_PROTOCOL_FROM_THIS(a) \
CR (a, MTFTP4_PROTOCOL, Mtftp4, MTFTP4_PROTOCOL_SIGNATURE)
extern EFI_MTFTP4_PROTOCOL gMtftp4ProtocolTemplate;
#endif