diff -r 000000000000 -r af10295192d8 networkcontrol/ipnetworklayer/src/nif4.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkcontrol/ipnetworklayer/src/nif4.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,147 @@
+// Copyright (c) 2005-2009 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:
+// CNifIfBase and CProtocolBase shim layer functionality
+// 
+//
+
+/**
+ @file nif.cpp
+*/
+
+#include <e32base.h>
+#include <comms-infras/ss_subconnflow.h>
+#include <comms-infras/ss_protflow.h>
+
+#include "in_sock.h"
+#include "in_iface.h"
+#include "in6_if.h"
+
+#include "nif4.h"
+#include "notify.h"
+#include "panic.h"
+#include "IPProtoDeMux.h"
+
+using namespace ESock;
+
+//
+// CIPShimIfBase methods //
+//
+
+CIPShimIfBase4* CIPShimIfBase4::NewL(const TDesC8& aProtocolName)
+	{
+	CIPShimIfBase4* p = new (ELeave) CIPShimIfBase4(aProtocolName);
+	CleanupStack::PushL(p);
+	p->ConstructL();
+	CleanupStack::Pop(p);
+	return p;
+	}
+
+CIPShimIfBase4::CIPShimIfBase4(const TDesC8& aProtocolName)
+  : CIPShimIfBase(aProtocolName)
+	{
+	iConfig4.iFamily = KAFUnspec;
+	}
+
+TInt CIPShimIfBase4::ServiceInfoControl(TDes8& aOption, TUint aName)
+/**
+Service KSoIfInfo/KSoIfInfo6 calls from upper protocol
+*/
+	{
+	TBinderInfo* ourInfo = NULL;
+	// Validate the size of structure passed in
+	switch (aName)
+		{
+	case KSoIfInfo:
+		ASSERT(aOption.Length() == sizeof(TSoIfInfo));
+		if (iConfig4.iFamily != KAfInet)
+			{
+			return KErrNotSupported;
+			}
+		ourInfo = &iConfig4.iInfo;
+		break;
+	case KSoIfInfo6:
+		return KErrNotSupported;
+	
+	default:
+		Panic(EBadInfoControlOption);
+		}
+
+	TUint8* ptr = const_cast<TUint8*>(aOption.Ptr());
+	TSoIfInfo& info = reinterpret_cast<TSoIfInfo&>(*ptr);
+
+	// Fill in iFeatures, iMtu, iSpeedMetric
+	info.iFeatures = ourInfo->iFeatures;
+	info.iSpeedMetric = ourInfo->iSpeedMetric;
+	info.iMtu = ourInfo->iMtu;
+	
+	return KErrNone;
+	}
+
+TInt CIPShimIfBase4::ServiceConfigControl(TDes8& aOption)
+/**
+Service KSoIfConfig calls from upper protocol
+*/
+	{
+	TUint8* ptr = const_cast<TUint8*>(aOption.Ptr());
+
+	TUint family = reinterpret_cast<TSoIfConfigBase&>(*ptr).iFamily;
+	
+	switch (family)
+		{
+	case KAfInet:					// IP4
+		{
+		ASSERT(aOption.Length() == sizeof(TSoInetIfConfig));
+		TSoInetIfConfig& cf = reinterpret_cast<TSoInetIfConfig&>(*ptr);
+		
+		if (iConfig4.iFamily != KAfInet)
+			{
+			return KErrNotSupported;
+			}
+		else 
+			{
+			cf.iConfig.iAddress = iConfig4.iAddress;
+			cf.iConfig.iNetMask = iConfig4.iNetMask;
+			cf.iConfig.iBrdAddr = iConfig4.iBrdAddr;
+			cf.iConfig.iDefGate = iConfig4.iDefGate;
+			cf.iConfig.iNameSer1 = iConfig4.iNameSer1;
+			cf.iConfig.iNameSer2 = iConfig4.iNameSer2;
+			}
+		}
+		break;
+		
+	default:
+		Panic(EBadConfigControlFamily);
+		break;
+		}
+		
+	return KErrNone;
+	}
+
+
+void CIPShimIfBase4::GetConfigFirstTime()
+/**
+Retrieve the IP4/IP6 configuration information from the lower binder, if
+we haven't already done so.
+*/
+	{
+	if (iConfig4.iFamily == KAFUnspec)
+		{
+		TBinderConfig& config = iConfig4;
+		if(iProtoBinders[0]->iLowerControl->GetConfig(config) != KErrNone)
+			Panic(EBinderConfigNotSupported);
+
+		iConfig4.iFamily = config.iFamily;
+		ASSERT(iConfig4.iFamily == KAfInet);
+		}		
+	}