changing UDP default timeout value to 2s to improve PXE BC boot performance.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10282 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2010-03-18 11:35:35 +00:00
parent 8e38f18ef7
commit 7bc01e86d9
3 changed files with 15 additions and 14 deletions

View File

@ -1,6 +1,6 @@
/** @file
The driver binding for UEFI PXEBC protocol.
Copyright (c) 2007 - 2009, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -60,7 +60,7 @@ PxeBcDriverEntryPoint (
order to make drivers as small as possible, there are a few calling
restrictions for this service. ConnectController() must
follow these calling restrictions. If any other agent wishes to call
Supported() it must also follow these calling restrictions.
Supported() it must also follow these calling restrictions.
PxeBc requires DHCP4 and MTFTP4 protocols.
@param This Protocol instance pointer.
@ -260,7 +260,7 @@ PxeBcDriverBindingStart (
//
Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL, NULL);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
goto ON_ERROR;
}
Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;
@ -320,7 +320,7 @@ PxeBcDriverBindingStart (
// The UDP instance for EfiPxeBcUdpWrite
//
Status = NetLibCreateServiceChild (
ControllerHandle,
ControllerHandle,
This->DriverBindingHandle,
&gEfiUdp4ServiceBindingProtocolGuid,
&Private->Udp4WriteChild
@ -348,7 +348,7 @@ PxeBcDriverBindingStart (
Private->Udp4CfgData.TypeOfService = DEFAULT_ToS;
Private->Udp4CfgData.TimeToLive = DEFAULT_TTL;
Private->Udp4CfgData.DoNotFragment = FALSE;
Private->Udp4CfgData.ReceiveTimeout = 50000; // 50 milliseconds
Private->Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
Private->Udp4CfgData.UseDefaultAddress = FALSE;
PxeBcInitSeedPacket (&Private->SeedPacket, Private->Udp4Read);
@ -487,7 +487,7 @@ ON_ERROR:
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
@ -545,7 +545,7 @@ PxeBcDriverBindingStop (
if (EFI_ERROR (Status)) {
return Status;
}
//
// Stop functionality of PXE Base Code protocol
//

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@ -1,6 +1,6 @@
/** @file
Copyright (c) 2007 - 2010, Intel Corporation.<BR>
Copyright (c) 2007 - 2010, Intel Corporation.<BR>
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
@ -51,7 +51,8 @@ typedef struct _PXEBC_PRIVATE_DATA PXEBC_PRIVATE_DATA;
#define PXEBC_MTFTP_RETRIES 6
#define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE 8
#define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE 4
#define PXEBC_DEFAULT_PACKET_SIZE 1480
#define PXEBC_DEFAULT_PACKET_SIZE 1480
#define PXEBC_DEFAULT_LIFETIME 2000000 // 2 seconds, unit is microsecond
struct _PXEBC_PRIVATE_DATA {
UINT32 Signature;
@ -146,21 +147,21 @@ extern EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate;
@param This Protocol instance pointer.
@param FilePath The device specific path of the file to load.
@param BootPolicy If TRUE, indicates that the request originates from the
@param BootPolicy If TRUE, indicates that the request originates from the
boot manager is attempting to load FilePath as a boot
selection. If FALSE, then FilePath must match as exact file
to be loaded.
@param BufferSize On input the size of Buffer in bytes. On output with a return
code of EFI_SUCCESS, the amount of data transferred to
code of EFI_SUCCESS, the amount of data transferred to
Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
the size of Buffer required to retrieve the requested file.
@param Buffer The memory buffer to transfer the file to. IF Buffer is NULL,
then no the size of the requested file is returned in
then no the size of the requested file is returned in
BufferSize.
@retval EFI_SUCCESS The file was loaded.
@retval EFI_UNSUPPORTED The device does not support the provided BootPolicy
@retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
@retval EFI_INVALID_PARAMETER FilePath is not a valid device path, or
BufferSize is NULL.
@retval EFI_NO_MEDIA No medium was present to load the file.
@retval EFI_DEVICE_ERROR The file was not loaded due to a device error.

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@ -194,7 +194,7 @@ PxeBcConfigureUdpWriteInstance (
ZeroMem (&Udp4CfgData, sizeof (Udp4CfgData));
Udp4CfgData.ReceiveTimeout = 1000;
Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
Udp4CfgData.TypeOfService = DEFAULT_ToS;
Udp4CfgData.TimeToLive = DEFAULT_TTL;
Udp4CfgData.AllowDuplicatePort = TRUE;