NetworkPkg/UefiPxeBcDxe:Add two PCD to control PXE.

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1695

Setup need provide an item for user to control IPV46 PXE boot.
Origin UefiPxeBcDxe driver doesn't have such interface.
This change added two PCD to control IPV4/6 PXE in PxeBcSupported().
Platform code should override this two PCD according to Setup value.
code change no side effect on current PXE function with default PCD.

Signed-off-by: Xue ShengfengX <shengfengx.xue@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
index 3c1d400d50..b35edb687d 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
@@ -2,7 +2,7 @@
   Driver Binding functions implementationfor for UefiPxeBc Driver.

 

   (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>

-  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>

+  Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>

 

   SPDX-License-Identifier: BSD-2-Clause-Patent

 

@@ -1242,6 +1242,10 @@ PxeBcDriverEntryPoint (
 {

   EFI_STATUS  Status;

 

+  if ((PcdGet8(PcdIPv4PXESupport) == PXE_DISABLED) && (PcdGet8(PcdIPv6PXESupport) == PXE_DISABLED)) {

+    return EFI_UNSUPPORTED;

+  }

+

   Status = EfiLibInstallDriverBindingComponentName2 (

              ImageHandle,

              SystemTable,

@@ -1301,9 +1305,15 @@ PxeBcSupported (
   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;

   }