diff options
Diffstat (limited to 'NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c')
| -rw-r--r-- | NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c | 1849 |
1 files changed, 0 insertions, 1849 deletions
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c deleted file mode 100644 index 09c5753ad9..0000000000 --- a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c +++ /dev/null @@ -1,1849 +0,0 @@ -/** @file
- Driver Binding functions implementationfor for UefiPxeBc Driver.
-
- (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
- Copyright (c) 2007 - 2016, 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 gPxeBcIp4DriverBinding = {
- PxeBcIp4DriverBindingSupported,
- PxeBcIp4DriverBindingStart,
- PxeBcIp4DriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-EFI_DRIVER_BINDING_PROTOCOL gPxeBcIp6DriverBinding = {
- PxeBcIp6DriverBindingSupported,
- PxeBcIp6DriverBindingStart,
- PxeBcIp6DriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-/**
- Get the Nic handle using any child handle in the IPv4 stack.
-
- @param[in] ControllerHandle Pointer to child handle over IPv4.
-
- @return NicHandle The pointer to the Nic handle.
-
-**/
-EFI_HANDLE
-PxeBcGetNicByIp4Children (
- IN EFI_HANDLE ControllerHandle
- )
-{
- EFI_HANDLE NicHandle;
-
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);
- if (NicHandle == NULL) {
- return NULL;
- }
- }
- }
- }
- }
-
- return NicHandle;
-}
-
-
-/**
- Get the Nic handle using any child handle in the IPv6 stack.
-
- @param[in] ControllerHandle Pointer to child handle over IPv6.
-
- @return NicHandle The pointer to the Nic handle.
-
-**/
-EFI_HANDLE
-PxeBcGetNicByIp6Children (
- IN EFI_HANDLE ControllerHandle
- )
-{
- EFI_HANDLE NicHandle;
-
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp6ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp6ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);
- if (NicHandle == NULL) {
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp6ProtocolGuid);
- if (NicHandle == NULL) {
- return NULL;
- }
- }
- }
- }
-
- return NicHandle;
-}
-
-
-/**
- Destroy the opened instances based on IPv4.
-
- @param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
- @param[in] Private Pointer to PXEBC_PRIVATE_DATA.
-
-**/
-VOID
-PxeBcDestroyIp4Children (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN PXEBC_PRIVATE_DATA *Private
- )
-{
- ASSERT(Private != NULL);
-
- if (Private->ArpChild != NULL) {
- //
- // Close Arp for PxeBc->Arp and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->ArpChild,
- &gEfiArpProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiArpServiceBindingProtocolGuid,
- Private->ArpChild
- );
- }
-
- if (Private->Ip4Child != NULL) {
- //
- // Close Ip4 for background ICMP error message and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Ip4Child,
- &gEfiIp4ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiIp4ServiceBindingProtocolGuid,
- Private->Ip4Child
- );
- }
-
- if (Private->Udp4WriteChild != NULL) {
- //
- // Close Udp4 for PxeBc->UdpWrite and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Udp4WriteChild,
- &gEfiUdp4ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiUdp4ServiceBindingProtocolGuid,
- Private->Udp4WriteChild
- );
- }
-
- if (Private->Udp4ReadChild != NULL) {
- //
- // Close Udp4 for PxeBc->UdpRead and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Udp4ReadChild,
- &gEfiUdp4ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiUdp4ServiceBindingProtocolGuid,
- Private->Udp4ReadChild
- );
- }
-
- if (Private->Mtftp4Child != NULL) {
- //
- // Close Mtftp4 for PxeBc->Mtftp4 and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Mtftp4Child,
- &gEfiMtftp4ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiMtftp4ServiceBindingProtocolGuid,
- Private->Mtftp4Child
- );
- }
-
- if (Private->Dhcp4Child != NULL) {
- //
- // Close Dhcp4 for PxeBc->Dhcp4 and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Dhcp4Child,
- &gEfiDhcp4ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiDhcp4ServiceBindingProtocolGuid,
- Private->Dhcp4Child
- );
- }
-
- if (Private->Ip4Nic != NULL) {
- //
- // Close PxeBcPrivate from the parent Nic handle and destroy the virtual handle.
- //
- gBS->CloseProtocol (
- Private->Controller,
- &gEfiCallerIdGuid,
- This->DriverBindingHandle,
- Private->Ip4Nic->Controller
- );
-
- gBS->UninstallMultipleProtocolInterfaces (
- Private->Ip4Nic->Controller,
- &gEfiDevicePathProtocolGuid,
- Private->Ip4Nic->DevicePath,
- &gEfiLoadFileProtocolGuid,
- &Private->Ip4Nic->LoadFile,
- &gEfiPxeBaseCodeProtocolGuid,
- &Private->PxeBc,
- NULL
- );
-
- if (Private->Snp != NULL) {
- //
- // Close SNP from the child virtual handle
- //
- gBS->CloseProtocol (
- Private->Ip4Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- This->DriverBindingHandle,
- Private->Ip4Nic->Controller
- );
-
- gBS->UninstallProtocolInterface (
- Private->Ip4Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- Private->Snp
- );
- }
- FreePool (Private->Ip4Nic);
- }
-
- Private->ArpChild = NULL;
- Private->Ip4Child = NULL;
- Private->Udp4WriteChild = NULL;
- Private->Udp4ReadChild = NULL;
- Private->Mtftp4Child = NULL;
- Private->Dhcp4Child = NULL;
- Private->Ip4Nic = NULL;
-}
-
-
-/**
- Destroy the opened instances based on IPv6.
-
- @param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
- @param[in] Private Pointer to PXEBC_PRIVATE_DATA.
-
-**/
-VOID
-PxeBcDestroyIp6Children (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN PXEBC_PRIVATE_DATA *Private
- )
-{
- ASSERT(Private != NULL);
-
- if (Private->Ip6Child != NULL) {
- //
- // Close Ip6 for Ip6->Ip6Config and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Ip6Child,
- &gEfiIp6ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiIp6ServiceBindingProtocolGuid,
- Private->Ip6Child
- );
- }
-
- if (Private->Udp6WriteChild != NULL) {
- //
- // Close Udp6 for PxeBc->UdpWrite and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Udp6WriteChild,
- &gEfiUdp6ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiUdp6ServiceBindingProtocolGuid,
- Private->Udp6WriteChild
- );
- }
-
- if (Private->Udp6ReadChild != NULL) {
- //
- // Close Udp6 for PxeBc->UdpRead and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Udp6ReadChild,
- &gEfiUdp6ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiUdp6ServiceBindingProtocolGuid,
- Private->Udp6ReadChild
- );
- }
-
- if (Private->Mtftp6Child != NULL) {
- //
- // Close Mtftp6 for PxeBc->Mtftp and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Mtftp6Child,
- &gEfiMtftp6ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiMtftp6ServiceBindingProtocolGuid,
- Private->Mtftp6Child
- );
- }
-
- if (Private->Dhcp6Child != NULL) {
- //
- // Close Dhcp6 for PxeBc->Dhcp and destroy the instance.
- //
- gBS->CloseProtocol (
- Private->Dhcp6Child,
- &gEfiDhcp6ProtocolGuid,
- This->DriverBindingHandle,
- Private->Controller
- );
-
- NetLibDestroyServiceChild (
- Private->Controller,
- This->DriverBindingHandle,
- &gEfiDhcp6ServiceBindingProtocolGuid,
- Private->Dhcp6Child
- );
- }
-
- if (Private->Ip6Nic != NULL) {
- //
- // Close PxeBcPrivate from the parent Nic handle and destroy the virtual handle.
- //
- gBS->CloseProtocol (
- Private->Controller,
- &gEfiCallerIdGuid,
- This->DriverBindingHandle,
- Private->Ip6Nic->Controller
- );
-
- gBS->UninstallMultipleProtocolInterfaces (
- Private->Ip6Nic->Controller,
- &gEfiDevicePathProtocolGuid,
- Private->Ip6Nic->DevicePath,
- &gEfiLoadFileProtocolGuid,
- &Private->Ip6Nic->LoadFile,
- &gEfiPxeBaseCodeProtocolGuid,
- &Private->PxeBc,
- NULL
- );
- if (Private->Snp != NULL) {
- //
- // Close SNP from the child virtual handle
- //
- gBS->CloseProtocol (
- Private->Ip6Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- This->DriverBindingHandle,
- Private->Ip6Nic->Controller
- );
- gBS->UninstallProtocolInterface (
- Private->Ip6Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- Private->Snp
- );
- }
- FreePool (Private->Ip6Nic);
- }
-
- Private->Ip6Child = NULL;
- Private->Udp6WriteChild = NULL;
- Private->Udp6ReadChild = NULL;
- Private->Mtftp6Child = NULL;
- Private->Dhcp6Child = NULL;
- Private->Ip6Nic = NULL;
- Private->Mode.Ipv6Available = FALSE;
-}
-
-/**
- Check whether UNDI protocol supports IPv6.
-
- @param[in] ControllerHandle Controller handle.
- @param[in] Private Pointer to PXEBC_PRIVATE_DATA.
- @param[out] Ipv6Support TRUE if UNDI supports IPv6.
-
- @retval EFI_SUCCESS Get the result whether UNDI supports IPv6 by NII or AIP protocol successfully.
- @retval EFI_NOT_FOUND Don't know whether UNDI supports IPv6 since NII or AIP is not available.
-
-**/
-EFI_STATUS
-PxeBcCheckIpv6Support (
- IN EFI_HANDLE ControllerHandle,
- IN PXEBC_PRIVATE_DATA *Private,
- OUT BOOLEAN *Ipv6Support
- )
-{
- EFI_HANDLE Handle;
- EFI_ADAPTER_INFORMATION_PROTOCOL *Aip;
- EFI_STATUS Status;
- EFI_GUID *InfoTypesBuffer;
- UINTN InfoTypeBufferCount;
- UINTN TypeIndex;
- BOOLEAN Supported;
- VOID *InfoBlock;
- UINTN InfoBlockSize;
-
- ASSERT (Private != NULL && Ipv6Support != NULL);
-
- //
- // Check whether the UNDI supports IPv6 by NII protocol.
- //
- if (Private->Nii != NULL) {
- *Ipv6Support = Private->Nii->Ipv6Supported;
- return EFI_SUCCESS;
- }
-
- //
- // Check whether the UNDI supports IPv6 by AIP protocol.
- //
-
- //
- // Get the NIC handle by SNP protocol.
- //
- Handle = NetLibGetSnpHandle (ControllerHandle, NULL);
- if (Handle == NULL) {
- return EFI_NOT_FOUND;
- }
-
- Aip = NULL;
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiAdapterInformationProtocolGuid,
- (VOID *) &Aip
- );
- if (EFI_ERROR (Status) || Aip == NULL) {
- return EFI_NOT_FOUND;
- }
-
- InfoTypesBuffer = NULL;
- InfoTypeBufferCount = 0;
- Status = Aip->GetSupportedTypes (Aip, &InfoTypesBuffer, &InfoTypeBufferCount);
- if (EFI_ERROR (Status) || InfoTypesBuffer == NULL) {
- FreePool (InfoTypesBuffer);
- return EFI_NOT_FOUND;
- }
-
- Supported = FALSE;
- for (TypeIndex = 0; TypeIndex < InfoTypeBufferCount; TypeIndex++) {
- if (CompareGuid (&InfoTypesBuffer[TypeIndex], &gEfiAdapterInfoUndiIpv6SupportGuid)) {
- Supported = TRUE;
- break;
- }
- }
-
- FreePool (InfoTypesBuffer);
- if (!Supported) {
- return EFI_NOT_FOUND;
- }
-
- //
- // We now have adapter information block.
- //
- InfoBlock = NULL;
- InfoBlockSize = 0;
- Status = Aip->GetInformation (Aip, &gEfiAdapterInfoUndiIpv6SupportGuid, &InfoBlock, &InfoBlockSize);
- if (EFI_ERROR (Status) || InfoBlock == NULL) {
- FreePool (InfoBlock);
- return EFI_NOT_FOUND;
- }
-
- *Ipv6Support = ((EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT *) InfoBlock)->Ipv6Support;
- FreePool (InfoBlock);
- return EFI_SUCCESS;
-
-}
-
-/**
- Create the opened instances based on IPv4.
-
- @param[in] This Pointer to EFI_DRIVER_BINDING_PROTOCOL.
- @param[in] ControllerHandle Handle of the child to destroy.
- @param[in] Private Handle Pointer to PXEBC_PRIVATE_DATA.
-
- @retval EFI_SUCCESS The instances based on IPv4 were all created successfully.
- @retval Others An unexpected error occurred.
-
-**/
-EFI_STATUS
-PxeBcCreateIp4Children (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN PXEBC_PRIVATE_DATA *Private
- )
-{
- EFI_STATUS Status;
- IPv4_DEVICE_PATH Ip4Node;
- EFI_PXE_BASE_CODE_MODE *Mode;
- EFI_UDP4_CONFIG_DATA *Udp4CfgData;
- EFI_IP4_CONFIG_DATA *Ip4CfgData;
- EFI_IP4_MODE_DATA Ip4ModeData;
- PXEBC_PRIVATE_PROTOCOL *Id;
- EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
-
- if (Private->Ip4Nic != NULL) {
- //
- // Already created before.
- //
- return EFI_SUCCESS;
- }
-
- //
- // Create Dhcp4 child and open Dhcp4 protocol for PxeBc->Dhcp.
- //
- 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;
- }
-
- //
- // Create Mtftp4 child and open Mtftp4 protocol for PxeBc->Mtftp.
- //
- 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;
- }
-
- //
- // Create Udp4 child and open Udp4 protocol for PxeBc->UdpRead.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiUdp4ServiceBindingProtocolGuid,
- &Private->Udp4ReadChild
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Udp4ReadChild,
- &gEfiUdp4ProtocolGuid,
- (VOID **) &Private->Udp4Read,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create Udp4 child and open Udp4 protocol for PxeBc->UdpWrite.
- //
- 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;
- }
-
- //
- // Create Arp child and open Arp protocol for PxeBc->Arp.
- //
- 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;
- }
-
- //
- // Create Ip4 child and open Ip4 protocol for background ICMP packets.
- //
- 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;
-
- Private->Ip4Nic = AllocateZeroPool (sizeof (PXEBC_VIRTUAL_NIC));
- if (Private->Ip4Nic == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Private->Ip4Nic->Private = Private;
- Private->Ip4Nic->Signature = PXEBC_VIRTUAL_NIC_SIGNATURE;
-
- //
- // Locate Ip4->Ip4Config2 and store it for set IPv4 Policy.
- //
- Status = gBS->HandleProtocol (
- ControllerHandle,
- &gEfiIp4Config2ProtocolGuid,
- (VOID **) &Private->Ip4Config2
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create a device path node for Ipv4 virtual nic, and append it.
- //
- ZeroMem (&Ip4Node, sizeof (IPv4_DEVICE_PATH));
- Ip4Node.Header.Type = MESSAGING_DEVICE_PATH;
- Ip4Node.Header.SubType = MSG_IPv4_DP;
- Ip4Node.StaticIpAddress = FALSE;
-
- SetDevicePathNodeLength (&Ip4Node.Header, sizeof (Ip4Node));
-
- Private->Ip4Nic->DevicePath = AppendDevicePathNode (Private->DevicePath, &Ip4Node.Header);
-
- if (Private->Ip4Nic->DevicePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_ERROR;
- }
-
- CopyMem (
- &Private->Ip4Nic->LoadFile,
- &gLoadFileProtocolTemplate,
- sizeof (EFI_LOAD_FILE_PROTOCOL)
- );
-
- //
- // Create a new handle for IPv4 virtual nic,
- // and install PxeBaseCode, LoadFile and DevicePath protocols.
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Private->Ip4Nic->Controller,
- &gEfiDevicePathProtocolGuid,
- Private->Ip4Nic->DevicePath,
- &gEfiLoadFileProtocolGuid,
- &Private->Ip4Nic->LoadFile,
- &gEfiPxeBaseCodeProtocolGuid,
- &Private->PxeBc,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- if (Private->Snp != NULL) {
- //
- // Install SNP protocol on purpose is for some OS loader backward
- // compatibility consideration.
- //
- Status = gBS->InstallProtocolInterface (
- &Private->Ip4Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- EFI_NATIVE_INTERFACE,
- Private->Snp
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Open SNP on the child handle BY_DRIVER. It will prevent any additionally
- // layering to perform the experiment.
- //
- Status = gBS->OpenProtocol (
- Private->Ip4Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- (VOID **) &Snp,
- This->DriverBindingHandle,
- Private->Ip4Nic->Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
- }
-
- //
- // Open PxeBaseCodePrivate protocol by child to setup a parent-child relationship between
- // real NIC handle and the virtual IPv4 NIC handle.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiCallerIdGuid,
- (VOID **) &Id,
- This->DriverBindingHandle,
- Private->Ip4Nic->Controller,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Set default configure data for Udp4Read and Ip4 instance.
- //
- Mode = Private->PxeBc.Mode;
- Udp4CfgData = &Private->Udp4CfgData;
- Ip4CfgData = &Private->Ip4CfgData;
-
- Udp4CfgData->AcceptBroadcast = FALSE;
- Udp4CfgData->AcceptAnyPort = TRUE;
- Udp4CfgData->AllowDuplicatePort = TRUE;
- Udp4CfgData->TypeOfService = Mode->ToS;
- Udp4CfgData->TimeToLive = Mode->TTL;
- Udp4CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
- Udp4CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
-
- Ip4CfgData->AcceptIcmpErrors = TRUE;
- Ip4CfgData->DefaultProtocol = EFI_IP_PROTO_ICMP;
- Ip4CfgData->TypeOfService = Mode->ToS;
- Ip4CfgData->TimeToLive = Mode->TTL;
- Ip4CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
- Ip4CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
-
- return EFI_SUCCESS;
-
-ON_ERROR:
- PxeBcDestroyIp4Children (This, Private);
- return Status;
-}
-
-
-/**
- Create the opened instances based on IPv6.
-
- @param[in] This Pointer to EFI_DRIVER_BINDING_PROTOCOL.
- @param[in] ControllerHandle Handle of the child to destroy.
- @param[in] Private Handle Pointer to PXEBC_PRIVATE_DATA.
-
- @retval EFI_SUCCESS The instances based on IPv6 were all created successfully.
- @retval Others An unexpected error occurred.
-
-**/
-EFI_STATUS
-PxeBcCreateIp6Children (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN PXEBC_PRIVATE_DATA *Private
- )
-{
- EFI_STATUS Status;
- IPv6_DEVICE_PATH Ip6Node;
- EFI_UDP6_CONFIG_DATA *Udp6CfgData;
- EFI_IP6_CONFIG_DATA *Ip6CfgData;
- EFI_IP6_MODE_DATA Ip6ModeData;
- PXEBC_PRIVATE_PROTOCOL *Id;
- EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
- UINTN Index;
-
- if (Private->Ip6Nic != NULL) {
- //
- // Already created before.
- //
- return EFI_SUCCESS;
- }
-
- Private->Ip6Nic = AllocateZeroPool (sizeof (PXEBC_VIRTUAL_NIC));
-
- if (Private->Ip6Nic == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Private->Ip6Nic->Private = Private;
- Private->Ip6Nic->Signature = PXEBC_VIRTUAL_NIC_SIGNATURE;
-
- //
- // Create Dhcp6 child and open Dhcp6 protocol for PxeBc->Dhcp.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiDhcp6ServiceBindingProtocolGuid,
- &Private->Dhcp6Child
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Dhcp6Child,
- &gEfiDhcp6ProtocolGuid,
- (VOID **) &Private->Dhcp6,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Generate a random IAID for the Dhcp6 assigned address.
- //
- Private->IaId = NET_RANDOM (NetRandomInitSeed ());
- if (Private->Snp != NULL) {
- for (Index = 0; Index < Private->Snp->Mode->HwAddressSize; Index++) {
- Private->IaId |= (Private->Snp->Mode->CurrentAddress.Addr[Index] << ((Index << 3) & 31));
- }
- }
-
- //
- // Create Mtftp6 child and open Mtftp6 protocol for PxeBc->Mtftp.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiMtftp6ServiceBindingProtocolGuid,
- &Private->Mtftp6Child
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Mtftp6Child,
- &gEfiMtftp6ProtocolGuid,
- (VOID **) &Private->Mtftp6,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create Udp6 child and open Udp6 protocol for PxeBc->UdpRead.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiUdp6ServiceBindingProtocolGuid,
- &Private->Udp6ReadChild
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Udp6ReadChild,
- &gEfiUdp6ProtocolGuid,
- (VOID **) &Private->Udp6Read,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create Udp6 child and open Udp6 protocol for PxeBc->UdpWrite.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiUdp6ServiceBindingProtocolGuid,
- &Private->Udp6WriteChild
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Udp6WriteChild,
- &gEfiUdp6ProtocolGuid,
- (VOID **) &Private->Udp6Write,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create Ip6 child and open Ip6 protocol for background ICMP6 packets.
- //
- Status = NetLibCreateServiceChild (
- ControllerHandle,
- This->DriverBindingHandle,
- &gEfiIp6ServiceBindingProtocolGuid,
- &Private->Ip6Child
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Status = gBS->OpenProtocol (
- Private->Ip6Child,
- &gEfiIp6ProtocolGuid,
- (VOID **) &Private->Ip6,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Get max packet size from Ip6 to calculate block size for Tftp later.
- //
- Status = Private->Ip6->GetModeData (Private->Ip6, &Ip6ModeData, NULL, NULL);
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- Private->Ip6MaxPacketSize = Ip6ModeData.MaxPacketSize;
-
- if (Ip6ModeData.AddressList != NULL) {
- FreePool (Ip6ModeData.AddressList);
- }
-
- if (Ip6ModeData.GroupTable != NULL) {
- FreePool (Ip6ModeData.GroupTable);
- }
-
- if (Ip6ModeData.RouteTable != NULL) {
- FreePool (Ip6ModeData.RouteTable);
- }
-
- if (Ip6ModeData.NeighborCache != NULL) {
- FreePool (Ip6ModeData.NeighborCache);
- }
-
- if (Ip6ModeData.PrefixTable != NULL) {
- FreePool (Ip6ModeData.PrefixTable);
- }
-
- if (Ip6ModeData.IcmpTypeList != NULL) {
- FreePool (Ip6ModeData.IcmpTypeList);
- }
-
- //
- // Locate Ip6->Ip6Config and store it for set IPv6 address.
- //
- Status = gBS->HandleProtocol (
- ControllerHandle,
- &gEfiIp6ConfigProtocolGuid,
- (VOID **) &Private->Ip6Cfg
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Create a device path node for Ipv6 virtual nic, and append it.
- //
- ZeroMem (&Ip6Node, sizeof (IPv6_DEVICE_PATH));
- Ip6Node.Header.Type = MESSAGING_DEVICE_PATH;
- Ip6Node.Header.SubType = MSG_IPv6_DP;
- Ip6Node.PrefixLength = IP6_PREFIX_LENGTH;
-
- SetDevicePathNodeLength (&Ip6Node.Header, sizeof (Ip6Node));
-
- Private->Ip6Nic->DevicePath = AppendDevicePathNode (Private->DevicePath, &Ip6Node.Header);
-
- if (Private->Ip6Nic->DevicePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_ERROR;
- }
-
- CopyMem (
- &Private->Ip6Nic->LoadFile,
- &gLoadFileProtocolTemplate,
- sizeof (EFI_LOAD_FILE_PROTOCOL)
- );
-
- //
- // Create a new handle for IPv6 virtual nic,
- // and install PxeBaseCode, LoadFile and DevicePath protocols.
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Private->Ip6Nic->Controller,
- &gEfiDevicePathProtocolGuid,
- Private->Ip6Nic->DevicePath,
- &gEfiLoadFileProtocolGuid,
- &Private->Ip6Nic->LoadFile,
- &gEfiPxeBaseCodeProtocolGuid,
- &Private->PxeBc,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- if (Private->Snp != NULL) {
- //
- // Install SNP protocol on purpose is for some OS loader backward
- // compatibility consideration.
- //
- Status = gBS->InstallProtocolInterface (
- &Private->Ip6Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- EFI_NATIVE_INTERFACE,
- Private->Snp
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Open SNP on the child handle BY_DRIVER. It will prevent any additionally
- // layering to perform the experiment.
- //
- Status = gBS->OpenProtocol (
- Private->Ip6Nic->Controller,
- &gEfiSimpleNetworkProtocolGuid,
- (VOID **) &Snp,
- This->DriverBindingHandle,
- Private->Ip6Nic->Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
- }
-
- //
- // Open PxeBaseCodePrivate protocol by child to setup a parent-child relationship between
- // real NIC handle and the virtual IPv6 NIC handle.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiCallerIdGuid,
- (VOID **) &Id,
- This->DriverBindingHandle,
- Private->Ip6Nic->Controller,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Set IPv6 avaiable flag and set default configure data for
- // Udp6Read and Ip6 instance.
- //
- Status = PxeBcCheckIpv6Support (ControllerHandle, Private, &Private->Mode.Ipv6Available);
- if (EFI_ERROR (Status)) {
- //
- // Fail to get the data whether UNDI supports IPv6. Set default value.
- //
- Private->Mode.Ipv6Available = TRUE;
- }
-
- if (!Private->Mode.Ipv6Available) {
- goto ON_ERROR;
- }
-
- Udp6CfgData = &Private->Udp6CfgData;
- Ip6CfgData = &Private->Ip6CfgData;
-
- Udp6CfgData->AcceptAnyPort = TRUE;
- Udp6CfgData->AllowDuplicatePort = TRUE;
- Udp6CfgData->HopLimit = PXEBC_DEFAULT_HOPLIMIT;
- Udp6CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
- Udp6CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
-
- Ip6CfgData->AcceptIcmpErrors = TRUE;
- Ip6CfgData->DefaultProtocol = IP6_ICMP;
- Ip6CfgData->HopLimit = PXEBC_DEFAULT_HOPLIMIT;
- Ip6CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
- Ip6CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
-
- return EFI_SUCCESS;
-
-ON_ERROR:
- PxeBcDestroyIp6Children (This, Private);
- return Status;
-}
-
-
-/**
- The entry point for UefiPxeBc driver that installs the driver
- binding and component name protocol on its image.
-
- @param[in] ImageHandle The Image handle of the driver.
- @param[in] SystemTable The system table.
-
- @return EFI_SUCCESS
- @return Others
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcDriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gPxeBcIp4DriverBinding,
- ImageHandle,
- &gPxeBcComponentName,
- &gPxeBcComponentName2
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gPxeBcIp6DriverBinding,
- NULL,
- &gPxeBcComponentName,
- &gPxeBcComponentName2
- );
- if (EFI_ERROR (Status)) {
- gBS->UninstallMultipleProtocolInterfaces (
- ImageHandle,
- &gEfiDriverBindingProtocolGuid,
- &gPxeBcIp4DriverBinding,
- &gEfiComponentName2ProtocolGuid,
- &gPxeBcComponentName2,
- &gEfiComponentNameProtocolGuid,
- &gPxeBcComponentName,
- NULL
- );
- }
-
- return Status;
-}
-
-/**
- Test to see if this driver supports ControllerHandle. This is the worker function for
- PxeBcIp4(6)DriverBindingSupported.
-
- @param[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be tested.
- @param[in] RemainingDevicePath Optional parameter used to pick a specific child
- device to be started.
- @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
-
- @retval EFI_SUCCESS This driver supports this device.
- @retval EFI_UNSUPPORTED This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL,
- IN UINT8 IpVersion
- )
-{
- EFI_STATUS Status;
- EFI_GUID *DhcpServiceBindingGuid;
- EFI_GUID *MtftpServiceBindingGuid;
-
- if (IpVersion == IP_VERSION_4) {
- DhcpServiceBindingGuid = &gEfiDhcp4ServiceBindingProtocolGuid;
- MtftpServiceBindingGuid = &gEfiMtftp4ServiceBindingProtocolGuid;
- } else {
- DhcpServiceBindingGuid = &gEfiDhcp6ServiceBindingProtocolGuid;
- MtftpServiceBindingGuid = &gEfiMtftp6ServiceBindingProtocolGuid;
- }
-
- //
- // Try to open the Mtftp and Dhcp protocol to test whether IP stack is ready.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- DhcpServiceBindingGuid,
- NULL,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL
- );
- if (!EFI_ERROR (Status)) {
- Status = gBS->OpenProtocol (
- ControllerHandle,
- MtftpServiceBindingGuid,
- NULL,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL
- );
- }
-
- //
- // It's unsupported case if IP stack are not ready.
- //
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Start this driver on ControllerHandle. This is the worker function for
- PxeBcIp4(6)DriverBindingStart.
-
- @param[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be started.
- @param[in] RemainingDevicePath Optional parameter used to pick a specific child
- device to be started.
- @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
-
-
- @retval EFI_SUCCESS This driver is installed 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
-PxeBcStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL,
- IN UINT8 IpVersion
- )
-{
- PXEBC_PRIVATE_DATA *Private;
- EFI_STATUS Status;
- PXEBC_PRIVATE_PROTOCOL *Id;
- BOOLEAN FirstStart;
-
- FirstStart = FALSE;
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiCallerIdGuid,
- (VOID **) &Id,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (!EFI_ERROR (Status)) {
- //
- // Skip the initialization if the driver has been started already.
- //
- Private = PXEBC_PRIVATE_DATA_FROM_ID (Id);
- } else {
- FirstStart = TRUE;
- //
- // If the driver has not been started yet, it should do initialization.
- //
- Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));
- if (Private == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- CopyMem (
- &Private->PxeBc,
- &gPxeBcProtocolTemplate,
- sizeof (EFI_PXE_BASE_CODE_PROTOCOL)
- );
-
- Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;
- Private->Controller = ControllerHandle;
- Private->Image = This->ImageHandle;
- Private->PxeBc.Mode = &Private->Mode;
- Private->Mode.Ipv6Supported = TRUE;
- Private->Mode.AutoArp = TRUE;
- Private->Mode.TTL = DEFAULT_TTL;
- Private->Mode.ToS = DEFAULT_ToS;
-
- //
- // Open device path to prepare for appending virtual NIC node.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &Private->DevicePath,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Get the NII interface if it exists, it's not required.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
- (VOID **) &Private->Nii,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- Private->Nii = NULL;
- }
-
- //
- // Install PxeBaseCodePrivate protocol onto the real NIC handler.
- // PxeBaseCodePrivate protocol is only used to keep the relationship between
- // NIC handle and virtual child handles.
- // gEfiCallerIdGuid will be used as its protocol guid.
- //
- Status = gBS->InstallProtocolInterface (
- &ControllerHandle,
- &gEfiCallerIdGuid,
- EFI_NATIVE_INTERFACE,
- &Private->Id
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- //
- // Try to locate SNP protocol.
- //
- NetLibGetSnpHandle(ControllerHandle, &Private->Snp);
- }
-
- if (IpVersion == IP_VERSION_4) {
- //
- // Try to create virtual NIC handle for IPv4.
- //
- Status = PxeBcCreateIp4Children (This, ControllerHandle, Private);
- } else {
- //
- // Try to create virtual NIC handle for IPv6.
- //
- Status = PxeBcCreateIp6Children (This, ControllerHandle, Private);
- }
- if (EFI_ERROR (Status)) {
- //
- // Failed to start PXE driver if IPv4 and IPv6 stack are both not available.
- //
- Status = EFI_DEVICE_ERROR;
- goto ON_ERROR;
- }
-
- return EFI_SUCCESS;
-
-ON_ERROR:
- if (FirstStart) {
- gBS->UninstallProtocolInterface (
- ControllerHandle,
- &gEfiCallerIdGuid,
- &Private->Id
- );
- }
-
- if (IpVersion == IP_VERSION_4) {
- PxeBcDestroyIp4Children (This, Private);
- } else {
- PxeBcDestroyIp6Children (This, Private);
- }
-
- if (FirstStart && Private != NULL) {
- FreePool (Private);
- }
-
- return Status;
-}
-
-
-/**
- Stop this driver on ControllerHandle. This is the worker function for
- PxeBcIp4(6)DriverBindingStop.
-
- @param[in] This Protocol instance pointer.
- @param[in] ControllerHandle Handle of device to stop driver on.
- @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
- children is zero stop the entire bus driver.
- @param[in] ChildHandleBuffer List of Child Handles to Stop.
- @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
-
- @retval EFI_SUCCESS This driver was removed ControllerHandle.
- @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
- @retval Others This driver was not removed from this device
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer,
- IN UINT8 IpVersion
- )
-{
- PXEBC_PRIVATE_DATA *Private;
- PXEBC_VIRTUAL_NIC *VirtualNic;
- EFI_LOAD_FILE_PROTOCOL *LoadFile;
- EFI_STATUS Status;
- EFI_HANDLE NicHandle;
- PXEBC_PRIVATE_PROTOCOL *Id;
-
- Private = NULL;
- NicHandle = NULL;
- VirtualNic = NULL;
- LoadFile = NULL;
- Id = NULL;
-
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiLoadFileProtocolGuid,
- (VOID **) &LoadFile,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- //
- // Get the Nic handle by any pass-over service child handle.
- //
- if (IpVersion == IP_VERSION_4) {
- NicHandle = PxeBcGetNicByIp4Children (ControllerHandle);
- } else {
- NicHandle = PxeBcGetNicByIp6Children (ControllerHandle);
- }
- if (NicHandle == NULL) {
- return EFI_SUCCESS;
- }
-
- //
- // Try to retrieve the private data by PxeBcPrivate protocol.
- //
- Status = gBS->OpenProtocol (
- NicHandle,
- &gEfiCallerIdGuid,
- (VOID **) &Id,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- Private = PXEBC_PRIVATE_DATA_FROM_ID (Id);
-
- } else {
- //
- // It's a virtual handle with LoadFileProtocol.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiLoadFileProtocolGuid,
- (VOID **) &LoadFile,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- VirtualNic = PXEBC_VIRTUAL_NIC_FROM_LOADFILE (LoadFile);
- Private = VirtualNic->Private;
- NicHandle = Private->Controller;
- }
-
- //
- // Stop functionality of PXE Base Code protocol
- //
- Status = Private->PxeBc.Stop (&Private->PxeBc);
- if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
- return Status;
- }
-
-
- if (Private->Ip4Nic != NULL && IpVersion == IP_VERSION_4) {
- PxeBcDestroyIp4Children (This, Private);
- }
-
- if (Private->Ip6Nic != NULL && IpVersion == IP_VERSION_6) {
- PxeBcDestroyIp6Children (This, Private);
- }
-
- if (Private->Ip4Nic == NULL && Private->Ip6Nic == NULL) {
- gBS->UninstallProtocolInterface (
- NicHandle,
- &gEfiCallerIdGuid,
- &Private->Id
- );
- FreePool (Private);
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- 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.
-
- @param[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be tested.
- @param[in] RemainingDevicePath Optional parameter used to pick a specific child
- device to be started.
-
- @retval EFI_SUCCESS This driver supports this device.
- @retval EFI_UNSUPPORTED This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcIp4DriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
- )
-{
- return PxeBcSupported (
- This,
- ControllerHandle,
- RemainingDevicePath,
- IP_VERSION_4
- );
-}
-
-/**
- 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[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be started.
- @param[in] RemainingDevicePath Optional parameter used to pick a specific child
- device to be started.
-
- @retval EFI_SUCCESS This driver is installed 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
-PxeBcIp4DriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
- )
-{
- return PxeBcStart (
- This,
- ControllerHandle,
- RemainingDevicePath,
- IP_VERSION_4
- );
-}
-
-/**
- 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[in] This Protocol instance pointer.
- @param[in] ControllerHandle Handle of device to stop driver on
- @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
- children is zero stop the entire bus driver.
- @param[in] ChildHandleBuffer List of Child Handles to Stop.
-
- @retval EFI_SUCCESS This driver is removed ControllerHandle
- @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
- @retval Others This driver was not removed from this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcIp4DriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- return PxeBcStop (
- This,
- ControllerHandle,
- NumberOfChildren,
- ChildHandleBuffer,
- IP_VERSION_4
- );
-}
-
-/**
- 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.
-
- @param[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be tested.
- @param[in] RemainingDevicePath Optional parameter use to pick a specific child
- device to be started.
-
- @retval EFI_SUCCESS This driver supports this device.
- @retval EFI_UNSUPPORTED This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcIp6DriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
- )
-{
- return PxeBcSupported (
- This,
- ControllerHandle,
- RemainingDevicePath,
- IP_VERSION_6
- );
-}
-
-/**
- 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[in] This The pointer to the driver binding protocol.
- @param[in] ControllerHandle The handle of device to be started.
- @param[in] RemainingDevicePath Optional parameter used to pick a specific child
- device to be started.
-
- @retval EFI_SUCCESS This driver is installed 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
-PxeBcIp6DriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
- )
-{
- return PxeBcStart (
- This,
- ControllerHandle,
- RemainingDevicePath,
- IP_VERSION_6
- );
-}
-
-/**
- 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[in] This Protocol instance pointer.
- @param[in] ControllerHandle Handle of device to stop driver on
- @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
- children is zero stop the entire bus driver.
- @param[in] ChildHandleBuffer List of Child Handles to Stop.
-
- @retval EFI_SUCCESS This driver is removed ControllerHandle
- @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
- @retval Others This driver was not removed from this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PxeBcIp6DriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- return PxeBcStop (
- This,
- ControllerHandle,
- NumberOfChildren,
- ChildHandleBuffer,
- IP_VERSION_6
- );
-}
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