mirror of https://github.com/acidanthera/audk.git
188 lines
8.0 KiB
C
188 lines
8.0 KiB
C
/** @file
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Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EFI_PXEBC_IMPL_H__
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#define __EFI_PXEBC_IMPL_H__
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typedef struct _PXEBC_PRIVATE_DATA PXEBC_PRIVATE_DATA;
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#include <Uefi.h>
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#include <Guid/SmBios.h>
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#include <IndustryStandard/SmBios.h>
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#include <Protocol/Dhcp4.h>
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#include <Protocol/PxeBaseCode.h>
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#include <Protocol/Mtftp4.h>
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#include <Protocol/Udp4.h>
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#include <Protocol/LoadFile.h>
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#include <Protocol/NetworkInterfaceIdentifier.h>
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#include <Protocol/PxeBaseCodeCallBack.h>
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#include <Protocol/Arp.h>
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#include <Protocol/Ip4.h>
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#include <Protocol/Ip4Config2.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseLib.h>
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#include <Library/NetLib.h>
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#include <Library/DpcLib.h>
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#include <Library/PcdLib.h>
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#include "PxeBcDriver.h"
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#include "PxeBcDhcp.h"
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#include "PxeBcMtftp.h"
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#include "PxeBcSupport.h"
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#define PXEBC_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('P', 'X', 'E', 'P')
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#define PXEBC_MTFTP_TIMEOUT 4
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#define PXEBC_MTFTP_RETRIES 6
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#define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE 8
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#define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE 4
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#define PXEBC_DEFAULT_PACKET_SIZE 1480
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#define PXEBC_DEFAULT_LIFETIME 50000 // 50ms, unit is microsecond
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struct _PXEBC_PRIVATE_DATA {
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UINT32 Signature;
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EFI_HANDLE Controller;
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EFI_HANDLE Image;
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EFI_HANDLE ArpChild;
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EFI_HANDLE Dhcp4Child;
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EFI_HANDLE Ip4Child;
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EFI_HANDLE Mtftp4Child;
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EFI_HANDLE Udp4ReadChild;
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EFI_HANDLE Udp4WriteChild;
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EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
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EFI_PXE_BASE_CODE_PROTOCOL PxeBc;
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EFI_LOAD_FILE_PROTOCOL LoadFile;
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EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL LoadFileCallback;
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EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *PxeBcCallback;
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EFI_ARP_PROTOCOL *Arp;
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EFI_DHCP4_PROTOCOL *Dhcp4;
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EFI_IP4_PROTOCOL *Ip4;
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EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
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EFI_IP4_CONFIG_DATA Ip4ConfigData;
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EFI_MTFTP4_PROTOCOL *Mtftp4;
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EFI_UDP4_PROTOCOL *Udp4Read;
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EFI_UDP4_PROTOCOL *Udp4Write;
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UINT16 CurrentUdpSrcPort;
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EFI_UDP4_CONFIG_DATA Udp4CfgData;
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EFI_PXE_BASE_CODE_MODE Mode;
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EFI_PXE_BASE_CODE_FUNCTION Function;
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CHAR8 *BootFileName;
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EFI_IP_ADDRESS StationIp;
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EFI_IP_ADDRESS SubnetMask;
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EFI_IP_ADDRESS GatewayIp;
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EFI_IP_ADDRESS ServerIp;
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BOOLEAN AddressIsOk;
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UINT32 Ip4MaxPacketSize;
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UINTN BlockSize;
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UINTN FileSize;
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UINT8 OptionBuffer[PXEBC_DHCP4_MAX_OPTION_SIZE];
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EFI_DHCP4_PACKET SeedPacket;
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EFI_MAC_ADDRESS Mac;
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UINT8 MacLen;
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BOOLEAN SortOffers;
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BOOLEAN GotProxyOffer;
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UINT32 NumOffers;
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UINT32 SelectedOffer;
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UINT32 ProxyOfferType;
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//
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// Cached packets as complements of pxe mode data
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//
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PXEBC_CACHED_DHCP4_PACKET ProxyOffer;
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PXEBC_CACHED_DHCP4_PACKET Dhcp4Ack;
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PXEBC_CACHED_DHCP4_PACKET PxeReply;
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PXEBC_CACHED_DHCP4_PACKET Dhcp4Offers[PXEBC_MAX_OFFER_NUM];
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//
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// Arrays for different types of offers:
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// ServerCount records the count of the servers we got the offers,
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// OfferIndex records the index of the offer sent by the server indexed by ServerCount.
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//
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UINT32 ServerCount[DHCP4_PACKET_TYPE_MAX];
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UINT32 OfferIndex[DHCP4_PACKET_TYPE_MAX][PXEBC_MAX_OFFER_NUM];
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UINT32 BootpIndex;
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UINT32 ProxyIndex[DHCP4_PACKET_TYPE_MAX];
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UINT32 BinlIndex[PXEBC_MAX_OFFER_NUM];
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EFI_EVENT GetArpCacheEvent;
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//
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// token and event used to get ICMP error data from IP
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//
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EFI_IP4_COMPLETION_TOKEN IcmpErrorRcvToken;
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};
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#define PXEBC_PRIVATE_DATA_FROM_PXEBC(a) CR (a, PXEBC_PRIVATE_DATA, PxeBc, PXEBC_PRIVATE_DATA_SIGNATURE)
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#define PXEBC_PRIVATE_DATA_FROM_LOADFILE(a) CR (a, PXEBC_PRIVATE_DATA, LoadFile, PXEBC_PRIVATE_DATA_SIGNATURE)
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#define PXEBC_PRIVATE_DATA_FROM_PXEBCCALLBACK(a) CR (a, PXEBC_PRIVATE_DATA, PxeBcCallback, PXEBC_PRIVATE_DATA_SIGNATURE)
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extern EFI_PXE_BASE_CODE_PROTOCOL mPxeBcProtocolTemplate;
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extern EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate;
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/**
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Causes the driver to load a specified file.
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@param This Protocol instance pointer.
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@param FilePath The device specific path of the file to load.
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@param BootPolicy If TRUE, indicates that the request originates from the
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boot manager is attempting to load FilePath as a boot
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selection. If FALSE, then FilePath must match as exact file
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to be loaded.
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@param BufferSize On input the size of Buffer in bytes. On output with a return
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code of EFI_SUCCESS, the amount of data transferred to
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Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
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the size of Buffer required to retrieve the requested file.
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@param Buffer The memory buffer to transfer the file to. IF Buffer is NULL,
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then no the size of the requested file is returned in
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BufferSize.
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@retval EFI_SUCCESS The file was loaded.
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@retval EFI_UNSUPPORTED The device does not support the provided BootPolicy
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@retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
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BufferSize is NULL.
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@retval EFI_NO_MEDIA No medium was present to load the file.
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@retval EFI_DEVICE_ERROR The file was not loaded due to a device error.
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@retval EFI_NO_RESPONSE The remote system did not respond.
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@retval EFI_NOT_FOUND The file was not found.
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@retval EFI_ABORTED The file load process was manually cancelled.
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**/
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EFI_STATUS
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EFIAPI
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EfiPxeLoadFile (
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IN EFI_LOAD_FILE_PROTOCOL * This,
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IN EFI_DEVICE_PATH_PROTOCOL * FilePath,
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IN BOOLEAN BootPolicy,
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IN OUT UINTN *BufferSize,
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IN VOID *Buffer OPTIONAL
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);
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#endif
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