--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/INC/VJIF.H	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,71 @@
+// Copyright (c) 1997-2009 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:
+//
+
+/**
+ @file
+ @internalTechnology 
+*/
+
+#ifndef __VJIF_H__
+#define __VJIF_H__
+
+#include <nifman.h>
+
+class CVJCompressorIf : public CObject
+/**
+Van Jacobson TCP/IP header compressor base class
+@internalTechnology
+*/
+	{
+public:
+	CVJCompressorIf(){};
+	virtual ~CVJCompressorIf(){};
+	virtual TInt VJCompressFrame(RMBufChain& aPacket)=0;
+protected:
+	/** Factory that created this object */
+	CNifFactory*	iFactory;
+	};
+
+class CVJDeCompressorIf : public CObject
+/**
+Van Jacobson TCP/IP header decompressor base class
+@internalTechnology
+*/
+	{
+public:
+	CVJDeCompressorIf(){};
+	virtual ~CVJDeCompressorIf(){};
+	virtual TBool DecompVJUncomp(RMBufChain& aPacket)=0;
+	virtual TBool DecompVJComp(RMBufChain& aPacket)=0;
+	virtual void CRCError()=0;
+protected:
+	/** Factory that created this object */
+	CNifFactory*	iFactory;
+	};
+
+class CVJCompFactory : public CNifFactory
+/**
+Factory base for creating a concrete instance of a CVJCompressor
+or CVJDeCompressor
+@internalTechnology
+*/
+	{
+public:
+	virtual void InstallL()=0;
+	virtual CVJCompressorIf* NewVJCompressorL( TInt aMaxVJSlots, TInt aCompressConnId)=0;
+	virtual CVJDeCompressorIf* NewVJDeCompressorL(TInt aMaxVJSlots)=0;
+	};
+
+#endif //__VJIF_H__