[Description]:

Problem with PXE boot to Windows Server 2008 install. The reason is that UdpRead and UdpWrite interfaces cannot work well with the same UDP instance.
[Solution]
 Use separate instances for UDP Read and UDP write in UefiPxeBC module.
[Impaction]:
 UefiPxeBcDxe and Udp4Dxe module.
[Reference Info]:
 EDK tracker 1133 - Problem with PXE boot to Windows Server 2008 install. 



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5303 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.h

@@ -1,6 +1,6 @@
 /** @file
 
-Copyright (c) 2007, Intel Corporation
+Copyright (c) 2007 - 2008, Intel Corporation                                                         
 All rights reserved. This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -46,6 +46,14 @@ PxeBcCommonNotify (
   )
 ;
 
+EFI_STATUS
+PxeBcConfigureUdpWriteInstance (
+  IN EFI_UDP4_PROTOCOL  *Udp4,
+  IN EFI_IPv4_ADDRESS   *StationIp,
+  IN EFI_IPv4_ADDRESS   *SubnetMask,
+  IN EFI_IPv4_ADDRESS   *Gateway,
+  IN OUT UINT16         *SrcPort
+  );
 VOID
 CvtNum (
   IN UINTN  Number,