MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h

   1 /** @file
   2
   3 Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 **/
  13
  14 #ifndef __EFI_PXEBC_IMPL_H__
  15 #define __EFI_PXEBC_IMPL_H__
  16
  17
  18 typedef struct _PXEBC_PRIVATE_DATA  PXEBC_PRIVATE_DATA;
  19
  20 #include <Uefi.h>
  21
  22 #include <Guid/SmBios.h>
  23 #include <IndustryStandard/SmBios.h>
  24 #include <Protocol/Dhcp4.h>
  25 #include <Protocol/PxeBaseCode.h>
  26 #include <Protocol/Mtftp4.h>
  27 #include <Protocol/Udp4.h>
  28 #include <Protocol/LoadFile.h>
  29 #include <Protocol/NetworkInterfaceIdentifier.h>
  30 #include <Protocol/PxeBaseCodeCallBack.h>
  31 #include <Protocol/Arp.h>
  32 #include <Protocol/Ip4.h>
  33
  34 #include <Library/DebugLib.h>
  35 #include <Library/BaseMemoryLib.h>
  36 #include <Library/MemoryAllocationLib.h>
  37 #include <Library/UefiDriverEntryPoint.h>
  38 #include <Library/UefiBootServicesTableLib.h>
  39 #include <Library/UefiLib.h>
  40 #include <Library/BaseLib.h>
  41 #include <Library/NetLib.h>
  42 #include <Library/DpcLib.h>
  43
  44 #include "PxeBcDriver.h"
  45 #include "PxeBcDhcp.h"
  46 #include "PxeBcMtftp.h"
  47 #include "PxeBcSupport.h"
  48
  49 #define PXEBC_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('P', 'X', 'E', 'P')
  50 #define PXEBC_MTFTP_TIMEOUT                4
  51 #define PXEBC_MTFTP_RETRIES                6
  52 #define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE    8
  53 #define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE   4
  54 #define PXEBC_DEFAULT_PACKET_SIZE          1480
  55 #define PXEBC_DEFAULT_LIFETIME             2000000  // 2 seconds, unit is microsecond
  56
  57 struct _PXEBC_PRIVATE_DATA {
  58   UINT32                                    Signature;
  59   EFI_HANDLE                                Controller;
  60   EFI_HANDLE                                Image;
  61   EFI_HANDLE                                ArpChild;
  62   EFI_HANDLE                                Dhcp4Child;
  63   EFI_HANDLE                                Ip4Child;
  64   EFI_HANDLE                                Mtftp4Child;
  65   EFI_HANDLE                                Udp4ReadChild;
  66   EFI_HANDLE                                Udp4WriteChild;
  67
  68   EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
  69
  70   EFI_PXE_BASE_CODE_PROTOCOL                PxeBc;
  71   EFI_LOAD_FILE_PROTOCOL                    LoadFile;
  72   EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL       LoadFileCallback;
  73   EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL       *PxeBcCallback;
  74   EFI_ARP_PROTOCOL                          *Arp;
  75   EFI_DHCP4_PROTOCOL                        *Dhcp4;
  76   EFI_IP4_PROTOCOL                          *Ip4;
  77   EFI_IP4_CONFIG_DATA                       Ip4ConfigData;
  78   EFI_MTFTP4_PROTOCOL                       *Mtftp4;
  79   EFI_UDP4_PROTOCOL                         *Udp4Read;
  80   EFI_UDP4_PROTOCOL                         *Udp4Write;
  81   UINT16                                    CurrentUdpSrcPort;
  82   EFI_UDP4_CONFIG_DATA                      Udp4CfgData;
  83
  84
  85   EFI_PXE_BASE_CODE_MODE                    Mode;
  86   EFI_PXE_BASE_CODE_FUNCTION                Function;
  87
  88   CHAR8                                     *BootFileName;
  89
  90   EFI_IP_ADDRESS                            StationIp;
  91   EFI_IP_ADDRESS                            SubnetMask;
  92   EFI_IP_ADDRESS                            GatewayIp;
  93   EFI_IP_ADDRESS                            ServerIp;
  94   BOOLEAN                                   AddressIsOk;
  95   UINT32                                    Ip4MaxPacketSize;
  96   UINTN                                     BlockSize;
  97   UINTN                                     FileSize;
  98
  99   UINT8                                     OptionBuffer[PXEBC_DHCP4_MAX_OPTION_SIZE];
 100   EFI_DHCP4_PACKET                          SeedPacket;
 101   EFI_MAC_ADDRESS                           Mac;
 102   UINT8                                     MacLen;
 103
 104   BOOLEAN                                   SortOffers;
 105   BOOLEAN                                   GotProxyOffer;
 106   UINT32                                    NumOffers;
 107   UINT32                                    SelectedOffer;
 108   UINT32                                    ProxyOfferType;
 109
 110   //
 111   // Cached packets as complements of pxe mode data
 112   //
 113   PXEBC_CACHED_DHCP4_PACKET                 ProxyOffer;
 114   PXEBC_CACHED_DHCP4_PACKET                 Dhcp4Ack;
 115   PXEBC_CACHED_DHCP4_PACKET                 PxeReply;
 116   PXEBC_CACHED_DHCP4_PACKET                 Dhcp4Offers[PXEBC_MAX_OFFER_NUM];
 117
 118   //
 119   // Arrays for different types of offers:
 120   //   ServerCount records the count of the servers we got the offers,
 121   //   OfferIndex records the index of the offer sent by the server indexed by ServerCount.
 122   //
 123   UINT32                                    ServerCount[DHCP4_PACKET_TYPE_MAX];
 124   UINT32                                    OfferIndex[DHCP4_PACKET_TYPE_MAX][PXEBC_MAX_OFFER_NUM];
 125   UINT32                                    BootpIndex;
 126   UINT32                                    ProxyIndex[DHCP4_PACKET_TYPE_MAX];
 127   UINT32                                    BinlIndex[PXEBC_MAX_OFFER_NUM];
 128
 129   EFI_EVENT                                 GetArpCacheEvent;
 130   //
 131   // token and event used to get ICMP error data from IP
 132   //
 133   EFI_IP4_COMPLETION_TOKEN                  IcmpErrorRcvToken;
 134 };
 135
 136 #define PXEBC_PRIVATE_DATA_FROM_PXEBC(a)          CR (a, PXEBC_PRIVATE_DATA, PxeBc, PXEBC_PRIVATE_DATA_SIGNATURE)
 137
 138 #define PXEBC_PRIVATE_DATA_FROM_LOADFILE(a)       CR (a, PXEBC_PRIVATE_DATA, LoadFile, PXEBC_PRIVATE_DATA_SIGNATURE)
 139
 140 #define PXEBC_PRIVATE_DATA_FROM_PXEBCCALLBACK(a)  CR (a, PXEBC_PRIVATE_DATA, PxeBcCallback, PXEBC_PRIVATE_DATA_SIGNATURE)
 141
 142 extern EFI_PXE_BASE_CODE_PROTOCOL mPxeBcProtocolTemplate;
 143 extern EFI_LOAD_FILE_PROTOCOL     mLoadFileProtocolTemplate;
 144
 145 /**
 146   Causes the driver to load a specified file.
 147
 148   @param  This                  Protocol instance pointer.
 149   @param  FilePath              The device specific path of the file to load.
 150   @param  BootPolicy            If TRUE, indicates that the request originates from the
 151                                 boot manager is attempting to load FilePath as a boot
 152                                 selection. If FALSE, then FilePath must match as exact file
 153                                 to be loaded.
 154   @param  BufferSize            On input the size of Buffer in bytes. On output with a return
 155                                 code of EFI_SUCCESS, the amount of data transferred to
 156                                 Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
 157                                 the size of Buffer required to retrieve the requested file.
 158   @param  Buffer                The memory buffer to transfer the file to. IF Buffer is NULL,
 159                                 then no the size of the requested file is returned in
 160                                 BufferSize.
 161
 162   @retval EFI_SUCCESS                 The file was loaded.
 163   @retval EFI_UNSUPPORTED             The device does not support the provided BootPolicy
 164   @retval EFI_INVALID_PARAMETER       FilePath is not a valid device path, or
 165                                       BufferSize is NULL.
 166   @retval EFI_NO_MEDIA                No medium was present to load the file.
 167   @retval EFI_DEVICE_ERROR            The file was not loaded due to a device error.
 168   @retval EFI_NO_RESPONSE             The remote system did not respond.
 169   @retval EFI_NOT_FOUND               The file was not found.
 170   @retval EFI_ABORTED                 The file load process was manually cancelled.
 171
 172 **/
 173 EFI_STATUS
 174 EFIAPI
 175 EfiPxeLoadFile (
 176   IN EFI_LOAD_FILE_PROTOCOL           * This,
 177   IN EFI_DEVICE_PATH_PROTOCOL         * FilePath,
 178   IN BOOLEAN                          BootPolicy,
 179   IN OUT UINTN                        *BufferSize,
 180   IN VOID                             *Buffer OPTIONAL
 181   );
 182
 183 #endif