--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/tcpipv4v6prt/inc/loop6.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,75 @@
+// Copyright (c) 2004-2009 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:
+// loop6.h - loopback interface for IPv6
+//
+
+
+
+/**
+ @internalComponent
+*/
+#ifndef __LOOP6_H__
+#define __LOOP6_H__
+
+//
+// In Epoc R6 nifman.h has been split, CNifIfBase definition has been moved
+// into <comms-infras/nifif.h>. 
+//
+#include <nifman.h>
+#	include <comms-infras/nifif.h>	// ..for CNifIfBase in Epoc R6 and later
+#include <nifmbuf.h>
+
+const TUint KProtocolInet6Loop = 0x1F00;	// Virtual
+
+class CIfLoop6 : public CNifIfBase
+{
+    public:
+	CIfLoop6();
+	virtual void ConstructL(const TDesC& aTag);
+	~CIfLoop6();
+
+	static CIfLoop6* NewL(const TDesC& aTag);
+	
+	virtual void BindL(TAny *aId);
+	virtual TInt State();
+	virtual TInt Control(TUint aLevel,TUint aName,TDes8& aOption, TAny* aSource);
+	virtual void Info(TNifIfInfo& aInfo) const;
+	virtual TInt Send(RMBufChain& aPdu, TAny* aSource);
+	virtual TInt Notification(TAgentToNifEventType /* aEvent */, void * /* aInfo */ )
+	{
+		return KErrNone;
+	};  
+	
+    protected:
+	virtual void DoSend();
+	virtual void DoProcess();
+	void Loop(RMBufPacket& aTxPkt, RMBufPacket& aRxPkt);
+
+    private:
+	static TInt RecvCallBack(TAny* aCProtocol);
+	static TInt SendCallBack(TAny* aCProtocol);
+
+    protected:
+	CProtocolBase* iNetwork;
+	RMBufPktQ iSendQ;
+	RMBufPktQ iRecvQ;
+	CAsyncCallBack* iSendCallBack;
+	CAsyncCallBack* iRecvCallBack;
+
+    private:
+	HBufC* iIfaceName;
+	TInt iIfaceMTU;
+};
+
+#endif