--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkcontrol/iptransportlayer/inc/tcprecvwin.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,82 @@
+// 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:
+// Class CTCPReceiveWindowSize defines the public interface used by Licensee's NetMcpr
+// to configure the TCP receive window dynamically. Licensee are required to override
+// the SetTcpWin(1) method for setting the TCP receive window for different bearers. 
+// 
+//
+
+/**
+ @file tcprecvwin.h
+ @class CTCPReceiveWindowSize
+ @brief Declaration of class CTCPReceiveWindowSize
+ @publishedPartner
+ @released.
+*/
+
+#ifndef SYMBIAN_TCP_RECEIVE_WINDOW_H
+#define SYMBIAN_TCP_RECEIVE_WINDOW_H
+
+#include <networking/etelbearers.h>
+
+/**
+ * Default TCP receive window
+ */ 
+const TUint KBearerDefaultWinSize    = 49152;
+
+/**
+ * Default maximum TCP receive window
+ */
+const TUint KBearerDefaultMaxWinSize = 131070;
+
+
+//TCP receive window interface definition.
+class CTCPReceiveWindowSize : public CBase, public Meta::SMetaData
+{
+public:
+	enum
+	{
+		ERealmId= 0x102070ED,
+		iId = 9,
+	};
+	
+public:
+	//Default TCP receive window
+	CTCPReceiveWindowSize() :iWinSize(KBearerDefaultWinSize),
+                         iMaxWinSize(KBearerDefaultMaxWinSize)
+        {};
+	
+	//Virtual Destructor
+	virtual ~CTCPReceiveWindowSize(){};
+	
+    //Set TCP window size
+	virtual void SetTcpWin(TUint aBearerType) = 0;
+
+	//Get the TCP receive window size for a bearer 
+	TUint GetTcpWin() const { return iWinSize; }
+	
+	//Get maximum  TCP receive window size for a bearer
+	TUint GetTcpMaxWin() const { return iMaxWinSize; }
+	
+public:
+	//TCP receive window for a bearer.
+   	TUint iWinSize;
+   
+    //TCP maximum receive window for a bearer.
+   	TUint iMaxWinSize;
+   	
+public:
+ 	DATA_VTABLE	
+};
+#endif //SYMBIAN_TCP_RECEIVE_WINDOW_H