// 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:

// Implementation CLanxBearer class, a derived from CNifIfBase.

// History

// 15/11/01 Started by Julian Skidmore. 

// 00572     RMBufPktInfo* info = RMBufPacket::PeekInfoInChain(aPacket);

// 00573     TUint prot = TPppAddr::Cast(info->iDstAddr).GetProtocol();

// 00574 

// 

//

/**

 @file

*/

#include <in_sock.h> // Header is retained, but in_sock.h is modified for ipv6

#include <in_iface.h> // Gone.

#include "CLanxBearer.h"

#include "EthProto.h"

using namespace ESock;

/**

Constructor. Initialises the link layer object iLink  and the notifier iNotify (inherited 

from CNIfIfBase) to aLink and aNotify respectively.

@param aLink A pointer to the Link Layer object.

@param aNotify A pointer to the notifier.

*/

CLanxBearer::CLanxBearer(CLANLinkCommon* aLink):iLink(aLink), iSoIfConnectionInfoCached(false)

{

}

/**

ConstructL method. Does nothing (CLanxBearer has no memory allocating objects).

*/

void  CLanxBearer::ConstructL()

{

}

/**

StartSending notifies the protocol that this object is ready to transmit and process data. 

CLanxBearer provides a default implementation which calls the iProtocol's StartSending method, 

passing this as input.

@param aProtocol A pointer to the object which signalled it is ready to StartSending.

*/

void CLanxBearer::StartSending(CProtocolBase* /*aProtocol*/)

	{

	// Default implementation.

	iUpperControl->StartSending();

	}

void CLanxBearer::UpdateMACAddr()

	{	

	} // default implementation

// MLowerControl methods

TInt CLanxBearer::GetName(TDes& aName)

/**

Return the interface name

@param aName Out parameter to return the name

@return KErrNone

*/

	{

	aName.Copy(iIfName);

	return KErrNone;

	}

TInt CLanxBearer::BlockFlow(MLowerControl::TBlockOption /*aOption*/)

	{

	return KErrNotSupported;

	}

//

// Utilities

// 

void CLanxBearer::SetUpperPointers(MUpperDataReceiver* aReceiver, MUpperControl* aControl)

	{

	ASSERT(iUpperReceiver == NULL && iUpperControl == NULL);

	iUpperReceiver = aReceiver;

	iUpperControl = aControl;

	}

TBool CLanxBearer::MatchesUpperControl(const ESock::MUpperControl* aUpperControl) const

/**

Check whether the passed MUpperControl matches that associated with the current instance

*/

	{

	ASSERT(iUpperControl);

	return iUpperControl == aUpperControl;

	}