EmulatorPkg/WinHost: Enable network support.

Follow the implementation from Unix host to implement SNP
EMU_IO_THUNK_PROTOCOL and EMU_SNP_PROTOCOL. The network IO driver is the
same one as Nt32. Please refer to NETWORK-IO Subproject for network Io
driver(SnpNt32Io.dll).

Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
Signed-off-by: Derek Lin <derek.lin2@hpe.com>
Acked-by: Ray Ni <ray.ni@intel.com>

EmulatorPkg/EmulatorPkg.dec

@@ -4,6 +4,7 @@
 #
 # Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.<BR>
 # Portions copyright (c) 2011, Apple Inc. All rights reserved.
+# (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
 #
 #    SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -95,6 +96,13 @@
   gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window"|VOID*|0x00001018
   gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem|L"."|VOID*|0x00001004
   gEmulatorPkgTokenSpaceGuid.PcdEmuSerialPort|L"/dev/ttyS0"|VOID*|0x00001002
+
+  #
+  # On Unix host, this is the network interface name on host system that will
+  #  be used in UEFI.
+  # On Win host, this is the network interface index number on Windows that
+  #  will be used in UEFI. For example, string L"0" is the first network
+  #  interface.
   gEmulatorPkgTokenSpaceGuid.PcdEmuNetworkInterface|L"en0"|VOID*|0x0000100d
 
   gEmulatorPkgTokenSpaceGuid.PcdEmuCpuModel|L"Intel(R) Processor Model"|VOID*|0x00001007

EmulatorPkg/Win/Host/WinHost.c

@@ -9,7 +9,7 @@
   allocate memory space with ReadWrite and Execute attribute.
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
+(C) Copyright 2016-2020 Hewlett Packard Enterprise Development LP<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
@@ -443,6 +443,7 @@ Returns:
   AddThunkProtocol (&mWinNtWndThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);
   AddThunkProtocol (&mWinNtFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);
   AddThunkProtocol (&mWinNtBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);
+  AddThunkProtocol (&mWinNtSnpThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuNetworkInterface), TRUE);
 
   //
   // Allocate space for gSystemMemory Array

EmulatorPkg/Win/Host/WinHost.h

@@ -1,6 +1,7 @@
 /**@file
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 
@@ -29,6 +30,7 @@ Abstract:
 
 #include <Protocol/EmuBlockIo.h>
 #include <Protocol/BlockIo.h>
+#include <Protocol/EmuSnp.h>
 
 #include <Library/BaseLib.h>
 #include <Library/PeCoffLib.h>
@@ -41,6 +43,7 @@ Abstract:
 #include <Library/BaseMemoryLib.h>
 #include <Library/PeiServicesLib.h>
 #include <Library/PeCoffExtraActionLib.h>
+#include <Library/NetLib.h>
 
 
 #define TEMPORARY_RAM_SIZE                0x20000
@@ -200,4 +203,6 @@ extern EMU_THUNK_PROTOCOL    gEmuThunkProtocol;
 extern EMU_IO_THUNK_PROTOCOL mWinNtWndThunkIo;
 extern EMU_IO_THUNK_PROTOCOL mWinNtFileSystemThunkIo;
 extern EMU_IO_THUNK_PROTOCOL mWinNtBlockIoThunkIo;
+extern EMU_IO_THUNK_PROTOCOL mWinNtSnpThunkIo;
+
 #endif

EmulatorPkg/Win/Host/WinHost.inf

@@ -4,6 +4,7 @@
 # Main executable file of Win Emulator that loads Sec core after initialization finished.
 # Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.<BR>
 # Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>
+# (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -33,11 +34,13 @@
   WinThunk.c
   WinHost.h
   WinHost.c
+  WinPacketFilter.c
   WinInclude.h
 
 [Packages]
   MdePkg/MdePkg.dec
   MdeModulePkg/MdeModulePkg.dec
+  NetworkPkg/NetworkPkg.dec
   EmulatorPkg/EmulatorPkg.dec
 
 [LibraryClasses]
@@ -61,6 +64,7 @@
   gEmuGraphicsWindowProtocolGuid
   gEmuBlockIoProtocolGuid
   gEfiSimpleFileSystemProtocolGuid
+  gEmuSnpProtocolGuid
 
 [Guids]
   gEfiFileSystemVolumeLabelInfoIdGuid           # SOMETIMES_CONSUMED
@@ -78,6 +82,7 @@
   gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window"
   gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem
   gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage
+  gEmulatorPkgTokenSpaceGuid.PcdEmuNetworkInterface|L"0"
 
 [BuildOptions]
   MSFT:*_*_*_DLINK_FLAGS            == /out:"$(BIN_DIR)\$(BASE_NAME).exe" /base:0x10000000 /pdb:"$(BIN_DIR)\$(BASE_NAME).pdb"