/** @file\r
Interface routines for PxeBc.\r
\r
-Copyright (c) 2007 - 2008, Intel Corporation.<BR>\r
+Copyright (c) 2007 - 2009, Intel Corporation.<BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
#include "PxeBcImpl.h"\r
\r
-EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate = { EfiPxeLoadFile };\r
+UINT32 mPxeDhcpTimeout[4] = { 4, 8, 16, 32 };\r
\r
/**\r
Get and record the arp cache.\r
\r
Private->CurrentUdpSrcPort = 0;\r
Private->Udp4Write->Configure (Private->Udp4Write, NULL);\r
+ Private->Udp4Read->Groups (Private->Udp4Read, FALSE, NULL);\r
Private->Udp4Read->Configure (Private->Udp4Read, NULL);\r
\r
Private->Dhcp4->Stop (Private->Dhcp4);\r
EFI_DHCP4_MODE_DATA Dhcp4Mode;\r
EFI_DHCP4_PACKET_OPTION *OptList[PXEBC_DHCP4_MAX_OPTION_NUM];\r
UINT32 OptCount;\r
- UINT32 DiscoverTimeout;\r
- UINTN Index;\r
EFI_STATUS Status;\r
EFI_ARP_CONFIG_DATA ArpConfigData;\r
\r
\r
//\r
// Set the DHCP4 config data.\r
+ // The four discovery timeouts are 4, 8, 16, 32 seconds respectively.\r
//\r
ZeroMem (&Dhcp4CfgData, sizeof (EFI_DHCP4_CONFIG_DATA));\r
Dhcp4CfgData.OptionCount = OptCount;\r
Dhcp4CfgData.OptionList = OptList;\r
Dhcp4CfgData.Dhcp4Callback = PxeBcDhcpCallBack;\r
Dhcp4CfgData.CallbackContext = Private;\r
- Dhcp4CfgData.DiscoverTryCount = 1;\r
- Dhcp4CfgData.DiscoverTimeout = &DiscoverTimeout;\r
+ Dhcp4CfgData.DiscoverTryCount = 4;\r
+ Dhcp4CfgData.DiscoverTimeout = mPxeDhcpTimeout;\r
\r
- for (Index = 0; Index < PXEBC_DHCP4_DISCOVER_RETRIES; Index++) {\r
- //\r
- // The four discovery timeouts are 4, 8, 16, 32 seconds respectively.\r
- //\r
- DiscoverTimeout = (PXEBC_DHCP4_DISCOVER_INIT_TIMEOUT << Index);\r
+ Status = Dhcp4->Configure (Dhcp4, &Dhcp4CfgData);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+ \r
+ //\r
+ // Zero those arrays to record the varies numbers of DHCP OFFERS.\r
+ //\r
+ Private->GotProxyOffer = FALSE;\r
+ Private->NumOffers = 0;\r
+ Private->BootpIndex = 0;\r
+ ZeroMem (Private->ServerCount, sizeof (Private->ServerCount));\r
+ ZeroMem (Private->ProxyIndex, sizeof (Private->ProxyIndex));\r
\r
- Status = Dhcp4->Configure (Dhcp4, &Dhcp4CfgData);\r
- if (EFI_ERROR (Status)) {\r
- break;\r
+ Status = Dhcp4->Start (Dhcp4, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ if (Status == EFI_ICMP_ERROR) {\r
+ Mode->IcmpErrorReceived = TRUE;\r
}\r
- //\r
- // Zero those arrays to record the varies numbers of DHCP OFFERS.\r
- //\r
- Private->GotProxyOffer = FALSE;\r
- Private->NumOffers = 0;\r
- Private->BootpIndex = 0;\r
- ZeroMem (Private->ServerCount, sizeof (Private->ServerCount));\r
- ZeroMem (Private->ProxyIndex, sizeof (Private->ProxyIndex));\r
+ goto ON_EXIT;\r
+ }\r
\r
- Status = Dhcp4->Start (Dhcp4, NULL);\r
- if (EFI_ERROR (Status)) {\r
- if (Status == EFI_TIMEOUT) {\r
- //\r
- // If no response is received or all received offers don't match\r
- // the PXE boot requirements, EFI_TIMEOUT will be returned.\r
- //\r
- continue;\r
- }\r
- if (Status == EFI_ICMP_ERROR) {\r
- Mode->IcmpErrorReceived = TRUE;\r
- }\r
- //\r
- // Other error status means the DHCP really fails.\r
- //\r
- break;\r
- }\r
+ Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4Mode);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
\r
- Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4Mode);\r
- if (EFI_ERROR (Status)) {\r
- break;\r
- }\r
+ ASSERT (Dhcp4Mode.State == Dhcp4Bound);\r
\r
- ASSERT (Dhcp4Mode.State == Dhcp4Bound);\r
+ CopyMem (&Private->StationIp, &Dhcp4Mode.ClientAddress, sizeof (EFI_IPv4_ADDRESS));\r
+ CopyMem (&Private->SubnetMask, &Dhcp4Mode.SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r
+ CopyMem (&Private->GatewayIp, &Dhcp4Mode.RouterAddress, sizeof (EFI_IPv4_ADDRESS));\r
\r
- CopyMem (\r
- &Private->StationIp, \r
- &Dhcp4Mode.ClientAddress, \r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
- CopyMem (\r
- &Private->SubnetMask, \r
- &Dhcp4Mode.SubnetMask, \r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
- CopyMem (\r
- &Private->GatewayIp, \r
- &Dhcp4Mode.RouterAddress, \r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
+ CopyMem (&Mode->StationIp, &Private->StationIp, sizeof (EFI_IPv4_ADDRESS));\r
+ CopyMem (&Mode->SubnetMask, &Private->SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r
\r
- //\r
- // Check the selected offer to see whether BINL is required, if no or BINL is\r
- // finished, set the various Mode members.\r
- //\r
- Status = PxeBcCheckSelectedOffer (Private);\r
- if (!EFI_ERROR (Status)) {\r
- break;\r
- }\r
+ //\r
+ // Check the selected offer to see whether BINL is required, if no or BINL is\r
+ // finished, set the various Mode members.\r
+ //\r
+ Status = PxeBcCheckSelectedOffer (Private);\r
+ if (!EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
}\r
\r
+ON_EXIT:\r
if (EFI_ERROR (Status)) {\r
Dhcp4->Stop (Dhcp4);\r
Dhcp4->Configure (Dhcp4, NULL);\r
BufferSize\r
);\r
\r
- if (!EFI_ERROR (Status)) {\r
- Status = EFI_BUFFER_TOO_SMALL;\r
- }\r
-\r
break;\r
\r
case EFI_PXE_BASE_CODE_TFTP_READ_FILE:\r
return TRUE;\r
}\r
\r
+ ASSERT (PxeBcMode->IpFilter.IpCnt < EFI_PXE_BASE_CODE_MAX_IPCNT);\r
+\r
for (Index = 0; Index < PxeBcMode->IpFilter.IpCnt; Index++) {\r
CopyMem (\r
&Ip4Address, \r
RxData = Token.Packet.RxData;\r
Session = &RxData->UdpSession;\r
\r
- Matched = FALSE;\r
+ Matched = TRUE;\r
\r
if ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_USE_FILTER) != 0) {\r
+ Matched = FALSE;\r
//\r
// Check UDP package by IP filter settings\r
//\r
BOOLEAN PromiscuousNeed;\r
\r
if (This == NULL) {\r
- DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL.\n"));\r
+ DEBUG ((EFI_D_ERROR, "This == NULL.\n"));\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);\r
Mode = Private->PxeBc.Mode;\r
\r
- if (Private == NULL) {\r
- DEBUG ((EFI_D_ERROR, "PXEBC_PRIVATE_DATA poiner == NULL.\n"));\r
+ if (NewFilter == NULL) {\r
+ DEBUG ((EFI_D_ERROR, "NewFilter == NULL.\n"));\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (NewFilter == NULL) {\r
- DEBUG ((EFI_D_ERROR, "IP Filter *NewFilter == NULL.\n"));\r
+ if (NewFilter->IpCnt > EFI_PXE_BASE_CODE_MAX_IPCNT) {\r
+ DEBUG ((EFI_D_ERROR, "NewFilter->IpCnt > %d.\n", EFI_PXE_BASE_CODE_MAX_IPCNT));\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
}\r
\r
PromiscuousNeed = FALSE;\r
+\r
for (Index = 0; Index < NewFilter->IpCnt; ++Index) {\r
if (IP4_IS_LOCAL_BROADCAST (EFI_IP4 (NewFilter->IpList[Index].v4))) {\r
//\r
Packet = &Private->Dhcp4Ack;\r
}\r
\r
- CopyMem (&Private->ServerIp, &Packet->Packet.Offer.Dhcp4.Header.ServerAddr, sizeof (EFI_IPv4_ADDRESS));\r
- if (Private->ServerIp.Addr[0] == 0) {\r
- //\r
- // next server ip address is zero, use option 54 instead\r
- //\r
+ //\r
+ // use option 54, if zero, use siaddr in header\r
+ //\r
+ if (Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_SERVER_ID] != NULL) {\r
CopyMem (\r
&Private->ServerIp,\r
Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_SERVER_ID]->Data,\r
sizeof (EFI_IPv4_ADDRESS)\r
);\r
+ } else {\r
+ CopyMem (\r
+ &Private->ServerIp, \r
+ &Packet->Packet.Offer.Dhcp4.Header.ServerAddr, \r
+ sizeof (EFI_IPv4_ADDRESS)\r
+ );\r
+ }\r
+ if (Private->ServerIp.Addr[0] == 0) {\r
+ return EFI_DEVICE_ERROR;\r
}\r
\r
ASSERT (Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] != NULL);\r
\r
if (sizeof (UINTN) < sizeof (UINT64) && (TmpBufSize > 0xFFFFFFFF)) {\r
Status = EFI_DEVICE_ERROR;\r
- } else {\r
+ } else if (TmpBufSize > 0 && *BufferSize >= (UINTN) TmpBufSize && Buffer != NULL) {\r
+ *BufferSize = (UINTN) TmpBufSize;\r
+ Status = PxeBc->Mtftp (\r
+ PxeBc,\r
+ EFI_PXE_BASE_CODE_TFTP_READ_FILE,\r
+ Buffer,\r
+ FALSE,\r
+ &TmpBufSize,\r
+ &BlockSize,\r
+ &Private->ServerIp,\r
+ (UINT8 *) Private->BootFileName,\r
+ NULL,\r
+ FALSE\r
+ );\r
+ } else if (TmpBufSize > 0) {\r
*BufferSize = (UINTN) TmpBufSize;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
}\r
- } else if (Buffer == NULL) {\r
+ } else if (Buffer == NULL || Private->FileSize > *BufferSize) {\r
*BufferSize = Private->FileSize;\r
Status = EFI_BUFFER_TOO_SMALL;\r
} else {\r
return Status;\r
}\r
\r
+EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate = { EfiPxeLoadFile };\r
+\r
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