c82291bc31
Reviewed-by: xdu2 Signed-off-by: hhuan13 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11779 6f19259b-4bc3-4df7-8a09-765794883524
655 lines
19 KiB
C
655 lines
19 KiB
C
/** @file
|
|
The driver binding for UEFI PXEBC protocol.
|
|
|
|
Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
|
|
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.
|
|
|
|
**/
|
|
|
|
|
|
#include "PxeBcImpl.h"
|
|
|
|
EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding = {
|
|
PxeBcDriverBindingSupported,
|
|
PxeBcDriverBindingStart,
|
|
PxeBcDriverBindingStop,
|
|
0xa,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
/**
|
|
This is the declaration of an EFI image entry point. This entry point is
|
|
the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
|
|
both device drivers and bus drivers.
|
|
|
|
@param ImageHandle The firmware allocated handle for the UEFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PxeBcDriverEntryPoint (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
return EfiLibInstallDriverBindingComponentName2 (
|
|
ImageHandle,
|
|
SystemTable,
|
|
&gPxeBcDriverBinding,
|
|
ImageHandle,
|
|
&gPxeBcComponentName,
|
|
&gPxeBcComponentName2
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
Test to see if this driver supports ControllerHandle. This service
|
|
is called by the EFI boot service ConnectController(). In
|
|
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.
|
|
PxeBc requires DHCP4 and MTFTP4 protocols.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ControllerHandle Handle of device to test
|
|
@param RemainingDevicePath Optional parameter use to pick a specific child
|
|
device to start.
|
|
|
|
@retval EFI_SUCCESS This driver supports this device
|
|
@retval EFI_ALREADY_STARTED This driver is already running on this device
|
|
@retval other This driver does not support this device
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PxeBcDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL * This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
|
|
)
|
|
{
|
|
EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
|
|
EFI_STATUS Status;
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiPxeBaseCodeProtocolGuid,
|
|
(VOID **) &PxeBc,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
return EFI_ALREADY_STARTED;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiDhcp4ServiceBindingProtocolGuid,
|
|
NULL,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
|
|
);
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiMtftp4ServiceBindingProtocolGuid,
|
|
NULL,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
|
|
);
|
|
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Start this driver on ControllerHandle. This service is called by the
|
|
EFI boot service ConnectController(). In 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 Start() it
|
|
must also follow these calling restrictions.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ControllerHandle Handle of device to bind driver to
|
|
@param RemainingDevicePath Optional parameter use to pick a specific child
|
|
device to start.
|
|
|
|
@retval EFI_SUCCESS This driver is added to ControllerHandle
|
|
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
|
|
@retval other This driver does not support this device
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PxeBcDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL * This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
|
|
)
|
|
{
|
|
PXEBC_PRIVATE_DATA *Private;
|
|
UINTN Index;
|
|
EFI_STATUS Status;
|
|
EFI_IP4_MODE_DATA Ip4ModeData;
|
|
|
|
Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));
|
|
if (Private == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;
|
|
Private->Controller = ControllerHandle;
|
|
Private->Image = This->DriverBindingHandle;
|
|
CopyMem (&Private->PxeBc, &mPxeBcProtocolTemplate, sizeof (Private->PxeBc));
|
|
Private->PxeBc.Mode = &Private->Mode;
|
|
CopyMem (&Private->LoadFile, &mLoadFileProtocolTemplate, sizeof (Private->LoadFile));
|
|
|
|
Private->ProxyOffer.Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
|
|
Private->Dhcp4Ack.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
|
|
Private->PxeReply.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
|
|
|
|
for (Index = 0; Index < PXEBC_MAX_OFFER_NUM; Index++) {
|
|
Private->Dhcp4Offers[Index].Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
|
|
}
|
|
|
|
//
|
|
// Get the NII interface if it exists.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ControllerHandle,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
|
|
(VOID **) &Private->Nii,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
Private->Nii = NULL;
|
|
}
|
|
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiArpServiceBindingProtocolGuid,
|
|
&Private->ArpChild
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->ArpChild,
|
|
&gEfiArpProtocolGuid,
|
|
(VOID **) &Private->Arp,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiDhcp4ServiceBindingProtocolGuid,
|
|
&Private->Dhcp4Child
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Dhcp4Child,
|
|
&gEfiDhcp4ProtocolGuid,
|
|
(VOID **) &Private->Dhcp4,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiIp4ServiceBindingProtocolGuid,
|
|
&Private->Ip4Child
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Ip4Child,
|
|
&gEfiIp4ProtocolGuid,
|
|
(VOID **) &Private->Ip4,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// Get max packet size from Ip4 to calculate block size for Tftp later.
|
|
//
|
|
Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL, NULL);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;
|
|
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiMtftp4ServiceBindingProtocolGuid,
|
|
&Private->Mtftp4Child
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Mtftp4Child,
|
|
&gEfiMtftp4ProtocolGuid,
|
|
(VOID **) &Private->Mtftp4,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
&Private->Udp4ReadChild
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// The UDP instance for EfiPxeBcUdpRead
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
Private->Udp4ReadChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
(VOID **) &Private->Udp4Read,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
//
|
|
// The UDP instance for EfiPxeBcUdpWrite
|
|
//
|
|
Status = NetLibCreateServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
&Private->Udp4WriteChild
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
Private->Udp4WriteChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
(VOID **) &Private->Udp4Write,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
ZeroMem (&Private->Udp4CfgData, sizeof (EFI_UDP4_CONFIG_DATA));
|
|
Private->Udp4CfgData.AcceptBroadcast = FALSE;
|
|
Private->Udp4CfgData.AcceptPromiscuous = FALSE;
|
|
Private->Udp4CfgData.AcceptAnyPort = TRUE;
|
|
Private->Udp4CfgData.AllowDuplicatePort = TRUE;
|
|
Private->Udp4CfgData.TypeOfService = DEFAULT_ToS;
|
|
Private->Udp4CfgData.TimeToLive = DEFAULT_TTL;
|
|
Private->Udp4CfgData.DoNotFragment = FALSE;
|
|
Private->Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
|
|
Private->Udp4CfgData.UseDefaultAddress = FALSE;
|
|
|
|
PxeBcInitSeedPacket (&Private->SeedPacket, Private->Udp4Read);
|
|
Private->MacLen = Private->SeedPacket.Dhcp4.Header.HwAddrLen;
|
|
CopyMem (&Private->Mac, &Private->SeedPacket.Dhcp4.Header.ClientHwAddr[0], Private->MacLen);
|
|
|
|
|
|
ZeroMem (&Private->Ip4ConfigData, sizeof (EFI_IP4_CONFIG_DATA));
|
|
Private->Ip4ConfigData.DefaultProtocol = EFI_IP_PROTO_ICMP;
|
|
Private->Ip4ConfigData.AcceptIcmpErrors = TRUE;
|
|
Private->Ip4ConfigData.TypeOfService = DEFAULT_ToS;
|
|
Private->Ip4ConfigData.TimeToLive = DEFAULT_TTL;
|
|
Private->Ip4ConfigData.DoNotFragment = FALSE;
|
|
Private->Ip4ConfigData.RawData = FALSE;
|
|
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&ControllerHandle,
|
|
&gEfiPxeBaseCodeProtocolGuid,
|
|
&Private->PxeBc,
|
|
&gEfiLoadFileProtocolGuid,
|
|
&Private->LoadFile,
|
|
NULL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
|
|
ON_ERROR:
|
|
|
|
if (Private->Udp4WriteChild != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->Udp4WriteChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4WriteChild
|
|
);
|
|
}
|
|
|
|
if (Private->Udp4ReadChild != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->Udp4ReadChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4ReadChild
|
|
);
|
|
}
|
|
|
|
if (Private->Mtftp4Child != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->Mtftp4Child,
|
|
&gEfiMtftp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiMtftp4ServiceBindingProtocolGuid,
|
|
Private->Mtftp4Child
|
|
);
|
|
}
|
|
|
|
if (Private->Ip4Child != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->Ip4Child,
|
|
&gEfiIp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiIp4ServiceBindingProtocolGuid,
|
|
Private->Ip4Child
|
|
);
|
|
}
|
|
|
|
if (Private->Dhcp4Child != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->Dhcp4Child,
|
|
&gEfiDhcp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiDhcp4ServiceBindingProtocolGuid,
|
|
Private->Dhcp4Child
|
|
);
|
|
}
|
|
|
|
if (Private->ArpChild != NULL) {
|
|
gBS->CloseProtocol (
|
|
Private->ArpChild,
|
|
&gEfiArpProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle
|
|
);
|
|
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiArpServiceBindingProtocolGuid,
|
|
Private->ArpChild
|
|
);
|
|
}
|
|
|
|
FreePool (Private);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Stop this driver on ControllerHandle. This service is called by the
|
|
EFI boot service DisconnectController(). In order to
|
|
make drivers as small as possible, there are a few calling
|
|
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
|
|
children is zero stop the entire bus driver.
|
|
@param ChildHandleBuffer List of Child Handles to Stop.
|
|
|
|
@retval EFI_SUCCESS This driver is removed ControllerHandle
|
|
@retval other This driver was not removed from this device
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PxeBcDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer
|
|
)
|
|
{
|
|
PXEBC_PRIVATE_DATA *Private;
|
|
EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
|
|
EFI_HANDLE NicHandle;
|
|
EFI_STATUS Status;
|
|
|
|
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);
|
|
if (NicHandle == NULL) {
|
|
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
|
|
|
|
if (NicHandle == NULL) {
|
|
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
|
|
|
|
if (NicHandle == NULL) {
|
|
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);
|
|
|
|
if (NicHandle == NULL) {
|
|
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);
|
|
|
|
if (NicHandle == NULL) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Status = gBS->OpenProtocol (
|
|
NicHandle,
|
|
&gEfiPxeBaseCodeProtocolGuid,
|
|
(VOID **) &PxeBc,
|
|
This->DriverBindingHandle,
|
|
ControllerHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Stop functionality of PXE Base Code protocol
|
|
//
|
|
Status = PxeBc->Stop (PxeBc);
|
|
if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
|
|
return Status;
|
|
}
|
|
|
|
Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);
|
|
|
|
Status = gBS->UninstallMultipleProtocolInterfaces (
|
|
NicHandle,
|
|
&gEfiPxeBaseCodeProtocolGuid,
|
|
&Private->PxeBc,
|
|
&gEfiLoadFileProtocolGuid,
|
|
&Private->LoadFile,
|
|
NULL
|
|
);
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Udp4WriteChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4WriteChild
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Udp4ReadChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4ReadChild
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Dhcp4Child,
|
|
&gEfiDhcp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiDhcp4ServiceBindingProtocolGuid,
|
|
Private->Dhcp4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Mtftp4Child,
|
|
&gEfiMtftp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiMtftp4ServiceBindingProtocolGuid,
|
|
Private->Mtftp4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Ip4Child,
|
|
&gEfiIp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiIp4ServiceBindingProtocolGuid,
|
|
Private->Ip4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->ArpChild,
|
|
&gEfiArpProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiArpServiceBindingProtocolGuid,
|
|
Private->ArpChild
|
|
);
|
|
|
|
FreePool (Private);
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
|