linklayerprotocols/tundriver/src/tundriverbinder.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 15 Sep 2010 00:18:51 +0300
branchRCL_3
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/**
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*   Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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*   All rights reserved.
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*   This component and the accompanying materials are made available
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*   under the terms of "Eclipse Public License v1.0"
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*   which accompanies this distribution, and is available
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*   at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*   
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*   Initial Contributors:
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*   Nokia Corporation - initial contribution.
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*   
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*   Contributors:
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*
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*   Description:
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*   Ipv4 and Ipv6 Binder configuration source file.
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* 
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*
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*/
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/**
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 @file tundriverbinder.cpp
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 @internalTechnology
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 */
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#include <e32std.h>
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#include <eui_addr.h>
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#include <ip4_hdr.h>
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#include <udp_hdr.h>
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#include <in_chk.h>
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#include <in_iface.h>
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#include <comms-infras/nifif.h>
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#include <in_sock.h>
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#include <flow.h>
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#include "tundriverbinder.h"
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#include "tundriverprovision.h"
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using namespace ESock;
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#ifdef _DEBUG
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_LIT8(KNif,"TunDriver");
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_LIT8(KBinder4,"Binder4");
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#ifdef IPV6SUPPORT
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_LIT8(KBinder6,"Binder6");
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#endif
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#endif
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//////////////////////
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// CTunDriverBinder //
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//////////////////////
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CTunDriverBinder::CTunDriverBinder(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow) : iTunDriverSubConnectionFlow(aTunDriverSubConnectionFlow)
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/*
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* Default constructor for Binder Base Class.
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*/
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        {
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        }
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MLowerDataSender* CTunDriverBinder::Bind(MUpperDataReceiver& /*aUpperReceiver*/, MUpperControl& /*aUpperControl*/)
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/**
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* Virtual Function, Implementation is binder specific (IPv4 or IPv6)
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* If This Bind function is called, then there is an error in binding.
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* @param Not used here
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* @return NULL.
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*/
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    {
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    return NULL;
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    }
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void CTunDriverBinder::Unbind(MUpperDataReceiver& /*aUpperReceiver*/, MUpperControl& /*aUpperControl*/)
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/**
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* Virtual Function, Implementation is binder specific (IPv4 or IPv6)
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* @param Not used here
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*/
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    {
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    }
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void CTunDriverBinder::SetPort(TUint aPort)
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/**
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* CTunDriverBinder::SetPort is used to set port common for Ip4Binder and Ip6Binder
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* @param aPort
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* @return
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*/
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    {
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    iPort = aPort;
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    }
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TUint CTunDriverBinder::GetPort()
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/**
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* CTunDriverBinder::GetPort is used to obtain port common for Ip4Binder and Ip6Binder
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* @param Not used here
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* @return iPort
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*/
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    {
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    return iPort;
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    }
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TBool CTunDriverBinder::MatchesUpperControl(ESock::MUpperControl* /*aUpperControl*/) const
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/**
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* Virtual Function, Implementation is binder specific (IPv4 or IPv6)
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* If This MatchesUpperControl function is called, then there is an error in binding.
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* @param Not used here
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* @return EFalse.
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*/
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    {
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    return EFalse;
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    }
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CTunDriverBinder4* CTunDriverBinder4::NewL(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow)
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/**
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* CTunDriverBinder4::NewL
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* This function is invoked by the flow. This CTunDriverBinder4 is IPv4 specific.
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* @param CTunDriverSubConnectionFlow
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* @return CTunDriverSubConnectionFlow.
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*/
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    {
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    CTunDriverBinder4* self = new (ELeave)CTunDriverBinder4(aTunDriverSubConnectionFlow);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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   122
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void CTunDriverBinder4::ConstructL()
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/**
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* CTunDriverBinder4::ConstructL is the second-phase constructor.
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* This function is invoked by NewL.
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* This function initializes the asynchronous callback functions for sending and receiving packets.
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* @param 
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* @return.
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*/
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    {
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    TCallBack scb(SendCallBack, this);
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    iSendCallBack = new(ELeave) CAsyncCallBack(scb, EPriorityNormal);
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    TCallBack rcb(RecvCallBack, this);
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    iRecvCallBack = new(ELeave) CAsyncCallBack(rcb, EPriorityNormal);
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    }
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CTunDriverBinder4::CTunDriverBinder4(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow) : CTunDriverBinder(aTunDriverSubConnectionFlow),iTunDriverSubConnectionFlow(aTunDriverSubConnectionFlow)
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/**
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* CTunDriverBinder4::CTunDriverBinder4 is the default constructor.
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* This function is invoked by NewL.
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* This function initializes localaddress to 0.0.0.0.
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* @param 
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* @return.
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*/
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        {
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        __FLOG_OPEN(KNif, KBinder4);
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        iLocalAddress = KInetAddrNone;
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        __FLOG_3(_L8("CTunDriverBinder4 %08x:\tCTunDriverBinder4(CTunDriverSubConnectionFlow& %08x): iLocalAddress %08x"), this, &aTunDriverSubConnectionFlow, iLocalAddress.Address());
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        }
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CTunDriverBinder4::~CTunDriverBinder4()
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/**
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* CTunDriverBinder4::CTunDriverBinder4 is the default destructor.
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* This function frees the RMBufPkt queues and 
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* deletes the asynchrounous call back pointers initialized at the time of construction.
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* @param 
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* @return.
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*/
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    {
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    __FLOG_1(_L8("CTunDriverBinder4 %08x:\t~CTunDriverBinder4()"), this);
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    iRecvQ.Free();
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    iSendQ.Free();
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    delete iRecvCallBack;
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    delete iSendCallBack;
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    }
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   168
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MLowerDataSender* CTunDriverBinder4::Bind(MUpperDataReceiver& aUpperReceiver, MUpperControl& aUpperControl)
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/**
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* CTunDriverBinder4::Bind Binds upper CommsFramwork Protocol to this CommsFramwork Protocol.
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* @param aUpperReceiver A pointer to Upper layer Receive class
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* @param aUpperControl A pointer to Upper layer control class
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* @return this.
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*/
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    {
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    __FLOG_3(_L8("CTunDriverBinder4 %08x:\tBind(aUpperReceiver %08x, aUpperControl %08x)"), this, &aUpperReceiver, &aUpperControl);
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    iUpperReceiver = &aUpperReceiver;
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    iUpperControl = &aUpperControl;
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    return this;
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    }
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   182
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void CTunDriverBinder4::Unbind(MUpperDataReceiver& /*aUpperReceiver*/, MUpperControl& /*aUpperControl*/)
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/**
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* CTunDriverBinder4::UnBind UnBinds the assocication of CommsFramwork Protocol from this CommsFramwork Protocol.
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* @param aUpperReceiver A pointer to Upper layer Receive class
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* @param aUpperControl A pointer to Upper layer control class
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* @return.
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*/
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    {
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    __FLOG_1(_L8("CTunDriverBinder4 %08x:\tUnbind()"), this);
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    iUpperReceiver = NULL;
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    iUpperControl = NULL;
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    }
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   195
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void CTunDriverBinder4::StartSending()
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/**
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* CTunDriverBinder4::StartSending is signaled to the upperlayer that Binder is ready to send packets.
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* This function will be called only once when the interface is started.
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* @param 
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* @return.
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   202
*/
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    {
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    __FLOG_1(_L8("CTunDriverBinder4 %08x:\tBinderReady()"), this);
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    iUpperControl->StartSending();
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    }
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   207
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TBool CTunDriverBinder4::MatchesUpperControl(ESock::MUpperControl* aUpperControl) const
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/**
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* CTunDriverBinder4::MatchesUpperControl returns whether this binder is associated with the
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* MUpperControl object passed as argument.
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* This function will be called while Unbinding the flow.
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* @param aUpperControl upper layer to match against
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* @return ETrue on a match else EFalse.
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*/
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   216
    {
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    return (aUpperControl == iUpperControl);
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    }
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   219
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MLowerDataSender::TSendResult CTunDriverBinder4::Send(RMBufChain& aData)
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/**
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* CTunDriverBinder4::Send places the stack packet in SendQueue and breaks the call.
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* Then asynchrounous callback function is invoked.
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* @param aData MBuf chain containing data to send
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* @return ESendAccepted.
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*/
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    {
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    iSendQ.Append(aData);
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    iSendCallBack->CallBack();
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    return ESendAccepted;
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    }
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TInt CTunDriverBinder4::GetConfig(TBinderConfig& aConfig)
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/**
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* CTunDriverBinder4::GetConfig populates the interface IPv4 configuration information.
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* This function is invoked by the upperlayer
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* @param aConfig structure.
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* @return KErrNone if IPv4 binderconfiguration exists.
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* @return KErrNotSupported otherwise. 
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*/ 
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    {
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    TBinderConfig4* config = TBinderConfig::Cast<TBinderConfig4>(aConfig);
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    if(config == NULL)
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        {
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        return KErrNotSupported;
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        }
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    const TTunDriverIp4Provision* ip4Provision = Flow()->Ip4Provision();
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    // Setup config
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    iLocalAddress = ip4Provision->LocalAddr();
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    config->iInfo.iFeatures = KIfCanBroadcast | KIfCanMulticast;
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    config->iInfo.iMtu = KMTU;
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    config->iInfo.iRMtu = KMTU;
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    config->iInfo.iSpeedMetric = KSpeedMetric;
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    config->iFamily = KAfInet;
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    __FLOG_2(_L8("CTunDriverBinder4 %08x:\tGetConfig(): iLocalAddress %08x"), this, iLocalAddress.Address());
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    config->iAddress.SetAddress(iLocalAddress.Address());
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    TInetAddr address = ip4Provision->DefGateway();
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    config->iDefGate.SetAddress(address.Address());
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    // primary DNS, just make same as default gateway
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    address = ip4Provision->PrimaryDns();
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    config->iNameSer1.SetAddress(address.Address());
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    // secondary DNS
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    address = ip4Provision->SecondaryDns();
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    config->iNameSer2.SetAddress(address.Address());
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    return KErrNone;
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    }
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TInt CTunDriverBinder::Control(TUint aLevel, TUint aName, TDes8& aOption)
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/**
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* CTunDriverBinder::Control is to check wether the packet is intended for tundriver or not.
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* Called from the upperlayer to identify the special control functionality.
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* Also the sets the port number.
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* @param aLevel
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* @param aName
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* @param aOption
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* @return KErrNone if packet is intended for Ipv4 tundriver.
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* @return KErrNotSupported otherwise. 
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*/ 
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    {
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    __FLOG_3(_L("CTunDriverBinder %08x:\tControl(aLevel %x, aName %x)"), this, aLevel, aName);
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    if((aLevel == KSolInetIp) && (aName == KSoTunnelPort))
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        {
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        TInetAddr& localAddress = *(TInetAddr*) aOption.Ptr();
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        SetPort(localAddress.Port());
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        return KErrNone;
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        }
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    return KErrNotSupported;
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    }
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   293
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TInt CTunDriverBinder4::GetName(TDes& aName)
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/**
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* CTunDriverBinder4::GetName is to retreive the Binder4 Name.
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* Called from the upperlayer. aName is filled with Binder4 Name. 
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* @param aName
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* @return KErrNone if packet is intended for Ipv4 tundriver.
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* @return KErrNotSupported otherwise. 
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*/
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    {
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    aName.Format(_L("TunDriver4[0x%08x]"), this);
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    __FLOG_2(_L("CTunDriverBinder4 %08x:\tGetName(): %S"), this, &aName);
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    return KErrNone;
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    }
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   307
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TInt CTunDriverBinder4::RecvCallBack(TAny* aCProtocol)
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/**
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* CTunDriverBinder4::RecvCallBack is asynchronous callback function to send the packets to IP Layer.
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* Will be invoked whenever there is a packet in the RMBufPkt Receive Buffer.
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* @param aCProtocol contains the this object.
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* @return KErrNone 
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*/
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    {
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    ((CTunDriverBinder4*)aCProtocol)->DoProcess();
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    return KErrNone;
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    }
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   319
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TInt CTunDriverBinder4::SendCallBack(TAny* aCProtocol)
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/**
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* CTunDriverBinder4::SendCallBack is asynchronous callback function to send the packets to IP Layer.
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* Will be invoked whenever there is a packet in the RMBufPkt Send Buffer.
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* DoSend will process the packets if required and place the packet in the RMBufPkt Receive Queue 
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* @param aCProtocol contains the this object.
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* @return KErrNone 
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*/
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    {
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   329
    ((CTunDriverBinder4*)aCProtocol)->DoSend();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
    return KErrNone;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
void CTunDriverBinder4::DoSend()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
* CTunDriverBinder4::DoSend will retreive the packet from RMBufPkt Send Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
* Process the packets if required and puts the packet back in Receive Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
* Will be invoked by CTunDriverBinder4::SendCallback
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
    RMBufPacket send;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
    RMBufPacket recv;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
    while (iSendQ.Remove(send))
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
        TunnelProcessing(send,recv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
        iRecvQ.Append(recv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
        iRecvCallBack->CallBack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
        send.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
void CTunDriverBinder4::DoProcess()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
* CTunDriverBinder4::DoProcess will retreive the packet from RMBufPkt Receive Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
* send the packet to IP Layer for processing the packet.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
* Will be invoked by CTunDriverBinder4::ReceiveCallback
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
    RMBufPacket packet;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
    while (iRecvQ.Remove(packet))
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
        iUpperReceiver->Process(packet);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
void CTunDriverBinder4::TunnelProcessing(RMBufPacket& aPacket, RMBufPacket& aRecv )
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
* CTunDriverBinder4::TunnelProcessing will encapsulate with IPv4 Header if the packet is to be tunneled.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
* IP Number and port number will be configure by TUN Client.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
* If the IPPacket contains TOS Option set with 192, Packet is encapsulated else packet will be send as is.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
* Will be invoked by CTunDriverBinder4::DoSend
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
* @param aPacket contains the raw packet.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
* @param aRecv will contain the payload and the encapsulated IPv4 Header.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    TInt  ret;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    TUint origPktLen;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    TInet6HeaderIP4* lip4 = (TInet6HeaderIP4*) aPacket.First()->Next()->Ptr();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    TInt outerHdrLen = TInet6HeaderIP4::MinHeaderLength()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
                       + TInet6HeaderUDP::MinHeaderLength();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
    if((lip4->TOS() & KTUNDriverTos) == KTUNDriverTos)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
        RMBufChain outerHdr;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
        aRecv.Assign(aPacket);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
        RMBufPktInfo *info = aRecv.Unpack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
        aRecv.SetInfo(info);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
        
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
        origPktLen = aRecv.Length();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
        TRAP(ret, outerHdr.AllocL(outerHdrLen));
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
        if (ret != KErrNone)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
            {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
            RDebug::Printf("\nVirtual tunnel nif: tunnel processing: Error in Allocating the outer IP header.");
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
            aRecv.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
            }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
        aRecv.Prepend(outerHdr);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
        info->iLength += outerHdrLen;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
        TInet6Checksum<TInet6HeaderUDP> outerUdp(aRecv, 20);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
        if (outerUdp.iHdr == NULL)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
            {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
            RDebug::Printf("\nVirtual tunnel nif: tunnel processing: Error in Allocating the outer UDP header.");
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
            aRecv.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
            }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
        outerUdp.iHdr->SetSrcPort(GetPort());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
        outerUdp.iHdr->SetDstPort(GetPort());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
        outerUdp.iHdr->SetLength(origPktLen + TInet6HeaderUDP::MinHeaderLength());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
        outerUdp.iHdr->SetChecksum(0);       // Compute checksum
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
        TInet6Checksum<TInet6HeaderIP4> outerIP(aRecv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
        outerIP.iHdr->Init();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
        outerIP.iHdr->SetHeaderLength(TInet6HeaderIP4::MinHeaderLength());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
        outerIP.iHdr->SetTotalLength(origPktLen + outerHdrLen);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
        outerIP.iHdr->SetTOS(1);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
        outerIP.iHdr->SetProtocol(KProtocolInetUdp);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
        outerIP.iHdr->SetSrcAddr(iLocalAddress.Address()) ;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
        outerIP.iHdr->SetDstAddr(iLocalAddress.Address());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
        outerIP.ComputeChecksum();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
        aRecv.Pack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
#ifdef IPV6SUPPORT
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
CTunDriverBinder6* CTunDriverBinder6::NewL(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
* CTunDriverBinder6::NewL
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
* This function is invoked by the flow. This CTunDriverBinder4 is IPv4 specific.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
* @param CTunDriverSubConnectionFlow
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
* @return CTunDriverSubConnectionFlow.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
    CTunDriverBinder6* self = new (ELeave)CTunDriverBinder6(aTunDriverSubConnectionFlow);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
    CleanupStack::PushL(self);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
    self->ConstructL();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
    CleanupStack::Pop(self);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
    return self;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
void CTunDriverBinder6::ConstructL()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
* CTunDriverBinder4::ConstructL is the second-phase constructor.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
* This function is invoked by NewL.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
* This function initializes the asynchronous callback functions for sending and receiving packets.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
* @return.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
    TCallBack scb(SendCallBack, this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
    iSendCallBack = new(ELeave) CAsyncCallBack(scb, EPriorityNormal);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
    TCallBack rcb(RecvCallBack, this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
    iRecvCallBack = new(ELeave) CAsyncCallBack(rcb, EPriorityNormal);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
CTunDriverBinder6::CTunDriverBinder6(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow) : CTunDriverBinder(aTunDriverSubConnectionFlow),iTunDriverSubConnectionFlow(aTunDriverSubConnectionFlow)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
* CTunDriverBinder4::CTunDriverBinder4 is the default constructor.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
* This function is invoked by NewL.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
* This function initializes localaddress to 0.0.0.0.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
* @return.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
*/        
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
    __FLOG_OPEN(KNif, KBinder6);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    iLocalAddress.SetAddress(KInet6AddrNone);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
    __FLOG_3(_L8("CTunDriverBinder6 %08x:\tCTunDriverBinder6(CTunDriverSubConnectionFlow& %08x): iLocalAddress %08x"), this, &aTunDriverSubConnectionFlow, iLocalAddress.Address());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
CTunDriverBinder6::~CTunDriverBinder6()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
* CTunDriverBinder4::CTunDriverBinder4 is the default destructor.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
* This function frees the RMBufPkt queues and 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
* deletes the asynchrounous call back pointers initialized at the time of construction.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
* @return.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
    __FLOG_1(_L8("CTunDriverBinder6 %08x:\t~CTunDriverBinder6()"), this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    iRecvQ.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
    iSendQ.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    delete iRecvCallBack;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
    delete iSendCallBack;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
MLowerDataSender* CTunDriverBinder6::Bind(MUpperDataReceiver& aUpperReceiver, MUpperControl& aUpperControl)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
* CTunDriverBinder4::Bind Binds upper CommsFramwork Protocol to this CommsFramwork Protocol.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
* @param aUpperReceiver A pointer to Upper layer Receive class
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
* @param aUpperControl A pointer to Upper layer control class
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
* @return this.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
    __FLOG_3(_L8("CTunDriverBinder6 %08x:\tBind(aUpperReceiver %08x, aUpperControl %08x)"), this, &aUpperReceiver, &aUpperControl);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
    iUpperReceiver = &aUpperReceiver;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
    iUpperControl = &aUpperControl;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
    return this;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
void CTunDriverBinder6::Unbind(MUpperDataReceiver& /*aUpperReceiver*/, MUpperControl& /*aUpperControl*/)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
* CTunDriverBinder4::UnBind UnBinds the assocication of CommsFramwork Protocol from this CommsFramwork Protocol.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
* @param aUpperReceiver A pointer to Upper layer Receive class
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
* @param aUpperControl A pointer to Upper layer control class
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
* @return.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
    __FLOG_1(_L8("CTunDriverBinder6 %08x:\tUnbind()"), this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
    iUpperReceiver = NULL;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
    iUpperControl = NULL;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
void CTunDriverBinder6::StartSending()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
* CTunDriverBinder4::StartSending is signaled to the upperlayer that Binder is ready to send packets.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
* This function will be called only once when the interface is started.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
* @return.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
    __FLOG_1(_L8("CTunDriverBinder6 %08x:\tBinderReady()"), this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
    iUpperControl->StartSending();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
TBool CTunDriverBinder6::MatchesUpperControl(ESock::MUpperControl* aUpperControl) const
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
* CTunDriverBinder4::MatchesUpperControl returns whether this binder is associated with the
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
* MUpperControl object passed as argument.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
* This function will be called while Unbinding the flow.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
* @param aUpperControl upper layer to match against
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
* @return ETrue on a match else EFalse.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
    return (aUpperControl == iUpperControl);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
MLowerDataSender::TSendResult CTunDriverBinder6::Send(RMBufChain& aData)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
* CTunDriverBinder4::Send places the stack packet in SendQueue and breaks the call.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
* Then asynchrounous callback function is invoked.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
* @param aData MBuf chain containing data to send
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
* @return ESendAccepted.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
    iSendQ.Append(aData);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
    iSendCallBack->CallBack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
    return ESendAccepted;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
TInt CTunDriverBinder6::GetConfig(TBinderConfig& aConfig)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
* CTunDriverBinder4::GetConfig populates the interface IPv4 configuration information.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
* This function is invoked by the upperlayer
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
* @param aConfig structure.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
* @return KErrNone if IPv4 binderconfiguration exists.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
* @return KErrNotSupported otherwise. 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
    TBinderConfig6* config = TBinderConfig::Cast<TBinderConfig6>(aConfig);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
    if(config == NULL)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
        return KErrNotSupported;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
    const TTunDriverIp6Provision* ip6Provision = Flow()->Ip6Provision();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
    // Setup config
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
    iLocalAddress = ip6Provision->LocalAddr();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
    config->iInfo.iFeatures = KIfCanBroadcast | KIfCanMulticast;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
    config->iInfo.iMtu = KMTU;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
    config->iInfo.iRMtu = KMTU;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
    config->iInfo.iSpeedMetric = KSpeedMetric;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
    config->iFamily = KAfInet6;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
    __FLOG_2(_L8("CTunDriverBinder6 %08x:\tGetConfig(): iLocalAddress %08x"), this, iLocalAddress.Address());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
    // primary DNS, just make same as default gateway
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
    TInetAddr address = ip6Provision->PrimaryDns();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
    config->iNameSer1 = address;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
    // secondary DNS
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
    address = ip6Provision->SecondaryDns();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
    config->iNameSer2 = address;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
    return KErrNone;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
TInt CTunDriverBinder6::GetName(TDes& aName)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
* CTunDriverBinder4::GetName is to retreive the Binder4 Name.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
* Called from the upperlayer. aName is filled with Binder4 Name. 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
* @param aName
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
* @return KErrNone if packet is intended for Ipv4 tundriver.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
* @return KErrNotSupported otherwise. 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
    aName.Format(_L("TunDriver6[0x%08x]"), this);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
    __FLOG_2(_L("CTunDriverBinder6 %08x:\tGetName(): %S"), this, &aName);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
    return KErrNone;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
TInt CTunDriverBinder6::RecvCallBack(TAny* aCProtocol)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
* CTunDriverBinder4::RecvCallBack is asynchronous callback function to send the packets to IP Layer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
* Will be invoked whenever there is a packet in the RMBufPkt Receive Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
* @param aCProtocol contains the this object.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
* @return KErrNone 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
    ((CTunDriverBinder6*)aCProtocol)->DoProcess();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
    return KErrNone;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
TInt CTunDriverBinder6::SendCallBack(TAny* aCProtocol)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
* CTunDriverBinder4::SendCallBack is asynchronous callback function to send the packets to IP Layer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
* Will be invoked whenever there is a packet in the RMBufPkt Send Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
* DoSend will process the packets if required and place the packet in the RMBufPkt Receive Queue 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
* @param aCProtocol contains the this object.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
* @return KErrNone 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
    ((CTunDriverBinder6*)aCProtocol)->DoSend();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
    return KErrNone;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
void CTunDriverBinder6::DoSend()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
* CTunDriverBinder4::DoSend will retreive the packet from RMBufPkt Send Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
* Process the packets if required and puts the packet back in Receive Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
* Will be invoked by CTunDriverBinder4::SendCallback
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
    RMBufPacket send;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
    RMBufPacket recv;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
    while (iSendQ.Remove(send))
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
        TunnelProcessing(send,recv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
        iRecvQ.Append(recv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
        iRecvCallBack->CallBack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
        send.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
void CTunDriverBinder6::DoProcess()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
* CTunDriverBinder4::DoProcess will retreive the packet from RMBufPkt Receive Buffer.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
* send the packet to IP Layer for processing the packet.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
* Will be invoked by CTunDriverBinder4::ReceiveCallback
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
* @param 
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
    RMBufPacket packet;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
    while (iRecvQ.Remove(packet))
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
        iUpperReceiver->Process(packet);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
void CTunDriverBinder6::TunnelProcessing(RMBufPacket& aPacket, RMBufPacket& aRecv )
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
/**
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
* CTunDriverBinder4::TunnelProcessing will encapsulate with IPv4 Header if the packet is to be tunneled.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
* IP Number and port number will be configure by TUN Client.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
* If the IPPacket contains TOS Option set with 192, Packet is encapsulated else packet will be send as is.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
* Will be invoked by CTunDriverBinder4::DoSend
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
* @param aPacket contains the raw packet.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
* @param aRecv will contain the payload and the encapsulated IPv4 Header.
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
* @return  
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
*/
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
    TInt  ret;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
    TUint origPktLen;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
    TInet6HeaderIP* lip6 = (TInet6HeaderIP*) aPacket.First()->Next()->Ptr();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
    TInt outerHdrLen = TInet6HeaderIP4::MinHeaderLength()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
                       + TInet6HeaderUDP::MinHeaderLength();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
    
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
    if((lip6->HopLimit() & KTUNDriverTos) == KTUNDriverTos)        
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
        {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
        RMBufChain outerHdr;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
        aRecv.Assign(aPacket);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
        RMBufPktInfo *info = aRecv.Unpack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
        aRecv.SetInfo(info);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
        
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
        origPktLen = aRecv.Length();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
        TRAP(ret, outerHdr.AllocL(outerHdrLen));
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
        if (ret != KErrNone)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
            {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
            RDebug::Printf("\nVirtual tunnel nif: tunnel processing: Error in Allocating the outer IP header.");
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
            aRecv.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
            }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
        TInet6HeaderIP *hdrBuf = (TInet6HeaderIP*) outerHdr.First()->Buffer();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
        aRecv.Prepend(outerHdr);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
        info->iLength += outerHdrLen;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
        TInet6Checksum<TInet6HeaderUDP> outerUdp(aRecv, 20);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
        if (outerUdp.iHdr == NULL)
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
            {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
            RDebug::Printf("\nVirtual tunnel nif: tunnel processing: Error in Allocating the outer UDP header.");
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
            aRecv.Free();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
            }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
        outerUdp.iHdr->SetSrcPort(GetPort());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
        outerUdp.iHdr->SetDstPort(GetPort());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
        outerUdp.iHdr->SetLength(origPktLen + TInet6HeaderUDP::MinHeaderLength());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
        outerUdp.iHdr->SetChecksum(0);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
        TInet6Checksum<TInet6HeaderIP> outerIP(aRecv);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
        outerIP.iHdr->Init();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
        outerIP.iHdr->SetHopLimit(1);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
        outerIP.iHdr->SetNextHeader(KProtocolInetUdp);
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
        outerIP.iHdr->SetSrcAddr(iLocalAddress.Ip6Address());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
        outerIP.iHdr->SetDstAddr(iLocalAddress.Ip6Address());
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
        aRecv.Pack();
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
        }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
    
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
CTunDriverSubConnectionFlow* CTunDriverBinder6::Flow()
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
    {
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
    return &iTunDriverSubConnectionFlow;
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
    }
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
425d8f4f7fa5 Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
#endif