REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the NetworkPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
		
			
				
	
	
		
			1849 lines
		
	
	
		
			54 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1849 lines
		
	
	
		
			54 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
|   Driver Binding functions implementation for UefiPxeBc Driver.
 | |
| 
 | |
|   (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
 | |
|   Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
 | |
| 
 | |
|   SPDX-License-Identifier: BSD-2-Clause-Patent
 | |
| 
 | |
| **/
 | |
| 
 | |
| #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
 | |
|            );
 | |
|     FreePool (Private->Ip4Nic->DevicePath);
 | |
| 
 | |
|     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
 | |
|            );
 | |
|     FreePool (Private->Ip6Nic->DevicePath);
 | |
| 
 | |
|     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|EXCLUSIVE. 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|EFI_OPEN_PROTOCOL_EXCLUSIVE
 | |
|                     );
 | |
|     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|EXCLUSIVE. 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|EFI_OPEN_PROTOCOL_EXCLUSIVE
 | |
|                     );
 | |
|     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 available 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;
 | |
| 
 | |
|   if ((PcdGet8 (PcdIPv4PXESupport) == PXE_DISABLED) && (PcdGet8 (PcdIPv6PXESupport) == PXE_DISABLED)) {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
| 
 | |
|   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)) {
 | |
|     EfiLibUninstallDriverBindingComponentName2 (
 | |
|       &gPxeBcIp4DriverBinding,
 | |
|       &gPxeBcComponentName,
 | |
|       &gPxeBcComponentName2
 | |
|       );
 | |
|   }
 | |
| 
 | |
|   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) {
 | |
|     if (PcdGet8 (PcdIPv4PXESupport) == PXE_DISABLED) {
 | |
|       return EFI_UNSUPPORTED;
 | |
|     }
 | |
| 
 | |
|     DhcpServiceBindingGuid  = &gEfiDhcp4ServiceBindingProtocolGuid;
 | |
|     MtftpServiceBindingGuid = &gEfiMtftp4ServiceBindingProtocolGuid;
 | |
|   } else {
 | |
|     if (PcdGet8 (PcdIPv6PXESupport) == PXE_DISABLED) {
 | |
|       return EFI_UNSUPPORTED;
 | |
|     }
 | |
| 
 | |
|     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
 | |
|            );
 | |
| }
 |