--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikeutils/inc/pfkeyextdatautil.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,57 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  VPN PFKEY extension data utility
+*
+*/
+
+
+#ifndef PFKEYEXTDATAUTIL_H
+#define PFKEYEXTDATAUTIL_H
+
+#include <e32base.h>
+
+/**
+ *  PFKEY extension data utility class
+ *
+ *  PFKEY extension data utility class for building generic PFKEY API extension
+ *  data.
+ *
+ *  @lib ikeutils.lib
+ */
+class PFKeyExtDataUtil
+    {
+public:    
+    /**
+     * This static method builds a generic PFKEY API extension data which is
+     * needed for IPSEC do UDP encapsulation/decapsulation for ESP packet.
+     * @param aExtData Generic extension data (returned)
+     * @param aNAT_D_Flags NAT_D flags
+     * @param aNATDetected Informs if NAT detected (local end behind NAT)
+     * @param aNokiaNATProbeUsed Nokia NAT probe used
+     * @param aUdpEncapsPort UDP encapsulation port
+     * @param aKeepAliveTimeout Keep alive timeout
+     * @param aDestinAddr Destination address
+     * @param aOriginalAddr Peer original address
+     */
+    EXPORT_C static void BuildUdpEncExtensionData( TDes8& aExtData,
+                                                   TUint32 aNAT_D_Flags,
+                                                   TBool aNATDetected,
+                                                   TBool aNokiaNATProbeUsed,
+                                                   TUint16 aUdpEncapsPort,
+                                                   TUint16 aKeepAliveTimeout,
+                                                   const TInetAddr& aDestinAddr,
+                                                   const TInetAddr& aOriginalAddr );    
+    };
+
+#endif // PFKEYEXTDATAUTIL_H