1. Add UEFI 2.2 VLAN device path definition to MdePkg

2. Update DevicePathDxe to support VLAN device path node
3. Update GenericBdsLib function DevicePathToStr() to support VLAN device path node

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9421 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Library/GenericBdsLib/DevicePath.c

@@ -2,7 +2,7 @@
   BDS internal function define the default device path string, it can be
   replaced by platform device path.
 
-Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+Copyright (c) 2004 - 2009, Intel Corporation. <BR>
 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
@@ -984,6 +984,28 @@ DevPathiSCSI (
   CatPrint (Str, L"%s)", (IScsi->NetworkProtocol == 0) ? L"TCP" : L"reserved");
 }
 
+/**
+  Convert Device Path to a Unicode string for printing.
+
+  @param Str             The buffer holding the output string.
+                         This buffer contains the length of the
+                         string and the maixmum length reserved
+                         for the string buffer.
+  @param DevPath         The device path.
+
+**/
+VOID
+DevPathVlan (
+  IN OUT POOL_PRINT       *Str,
+  IN VOID                 *DevPath
+  )
+{
+  VLAN_DEVICE_PATH  *Vlan;
+
+  Vlan = DevPath;
+  CatPrint (Str, L"Vlan(%d)", (UINTN) Vlan->VlanId);
+}
+
 /**
   Convert Device Path to a Unicode string for printing.
 
@@ -1390,6 +1412,11 @@ DEVICE_PATH_STRING_TABLE  DevPathTable[] = {
     MSG_ISCSI_DP,
     DevPathiSCSI
   },
+  {
+    MESSAGING_DEVICE_PATH,
+    MSG_VLAN_DP,
+    DevPathVlan
+  },
   {
     MEDIA_DEVICE_PATH,
     MEDIA_HARDDRIVE_DP,