--- a/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/src/ncmbuffermanager.cpp	Tue Aug 31 17:01:47 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,170 +0,0 @@
-/*
-* Copyright (c) 2010 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:
-*
-*/
-
-
-/**
-@file
-@internalComponent
-*/
-
-
-#include "ncmbuffermanager.h"
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "ncmbuffermanagerTraces.h"
-#endif
-
-
-
-
-// if there are KCongestionCount buffers will notify networking to stop sending
-// if there are at least KUnCongestionCount, will notify networking to start sending
-const TInt KCongestionCount = 1;
-const TInt KUnCongestionCount = 3;
-
-
-
-// ======== MEMBER FUNCTIONS ========
-//
-
-CNcmBufferManager* CNcmBufferManager::NewL()
-    {
-    OstTraceFunctionEntry0( CNCMBUFFERMANAGER_NEWL_ENTRY );
-    CNcmBufferManager *self = new (ELeave) CNcmBufferManager();
-    OstTraceFunctionExit0( CNCMBUFFERMANAGER_NEWL_EXIT );
-    return self;
-    }
-
-CNcmBufferManager::~CNcmBufferManager()
-    {
-    OstTraceFunctionEntry1( CNCMBUFFERMANAGER_CNCMBUFFERMANAGER_ENTRY, this );
-    iFreeQueue.Reset();
-    OstTraceFunctionExit1( CNCMBUFFERMANAGER_CNCMBUFFERMANAGER_EXIT, this );
-    }
-
-//
-// get a buffer block from manager
-//
-TInt CNcmBufferManager::GetBuffer(TNcmBuffer& aBuffer)
-    {
-	OstTraceFunctionEntry1( CNCMBUFFERMANAGER_GETBUFFER_ENTRY, this );
-	
-    TInt count = iFreeQueue.Count();
-    TInt ret = KErrNone;
-
-    if (count == 0)
-        {
-        OstTraceFunctionExit1( CNCMBUFFERMANAGER_GETBUFFER_EXIT, this );
-        return KErrNoBuffer;
-        }
-    else if (count == KCongestionCount)
-        {
-        iIsCongestion = ETrue;
-        ret = KErrCongestion;
-        }
-    aBuffer = iFreeQueue[0];
-    iFreeQueue.Remove(0);
-    OstTraceFunctionExit1( CNCMBUFFERMANAGER_GETBUFFER_EXIT_DUP1, this );
-    return ret;
-    }
-
-//
-// free a buffer block to manager
-//
-void CNcmBufferManager::FreeBuffer(const TNcmBuffer& aBuffer)
-    {
-    OstTraceFunctionEntry1( CNCMBUFFERMANAGER_FREEBUFFER_ENTRY, this );
-    iFreeQueue.Append(aBuffer);  
-    int count = iFreeQueue.Count();
-    iFreeQueue[count-1].iLen = 0;
-    if (count == KUnCongestionCount)
-        {
-        iIsCongestion = EFalse;
-        }
-    OstTraceFunctionExit1( CNCMBUFFERMANAGER_FREEBUFFER_EXIT, this );
-    }
-
-//
-// set the whole buffer area to create buffer blocks
-//
-void CNcmBufferManager::InitBufferArea(TAny* aBuf, TInt aLength)
-    {
-    OstTrace1( TRACE_NORMAL, CNCMBUFFERMANAGER_INITBUFFERAREA, "CNcmBufferManager::InitBufferArea aLength=%d", aLength );    
-    iBuf = (TUint8*)aBuf;
-    iLen = aLength;
-    }
-
-//
-// set the size of a buffer block, create buffer blocks on the buffer area
-//
-TInt CNcmBufferManager::SetBufferCellSize(TInt aSize)
-    {
-    OstTraceFunctionEntry1( CNCMBUFFERMANAGER_SETBUFFERCELLSIZE_ENTRY, this );
-
-//    buffer block size must be aligned with KAlignSize to make the each buffer start align with KAlignSize 
-    iCellSize = (aSize+iAlignSize-1)&~(iAlignSize-1);
-    OstTraceExt2( TRACE_NORMAL, CNCMBUFFERMANAGER_SETBUFFERCELLSIZE, "CNcmBufferManager::SetBufferCellSize aSize=%d, iCellSize=%d", aSize, iCellSize );
-
-//   buffer area got from share chunk LDD may not align, make it align to KAlignSize first
-    TUint32 buf = (TUint)iBuf;
-    buf = (buf+iAlignSize-1)&~(iAlignSize-1);
-    TUint8* alignbuf = (TUint8*)buf;
-    TUint32 offset = buf - (TUint)iBuf;
-    
-    int count = (iLen-offset)/iCellSize;
-    iFreeQueue.Reset();
-    if (count < KUnCongestionCount)
-        {        
-        OstTrace1( TRACE_FATAL, CNCMBUFFERMANAGER_SETBUFFERCELLSIZE1, "the buffer cell size is too big and create too less buffers %d", count );
-        OstTraceFunctionExit1( CNCMBUFFERMANAGER_SETBUFFERCELLSIZE_EXIT, this );
-        return KErrUnknown;
-        }
-
-    TNcmBuffer ncmbuf;
-    for (TInt i=0 ; i<count ; i++)
-        {
-        ncmbuf.iPtr = alignbuf+i*iCellSize;
-        ncmbuf.iLen = 0;
-        ncmbuf.iMaxLength = iCellSize;
-        iFreeQueue.Append(ncmbuf);
-        }
-    iIsCongestion = EFalse;
-    OstTraceFunctionExit1( CNCMBUFFERMANAGER_SETBUFFERCELLSIZE_EXIT_DUP1, this );
-    return KErrNone;
-    }
-
-CNcmBufferManager::CNcmBufferManager()
-    {
-    iIsCongestion = EFalse;
-    }
-
-//
-// if there is not enough buffer blocks, return ETrue and will start flow control in networking
-//
-
-TBool CNcmBufferManager::IsCongestion()
-    {
-    OstTrace1( TRACE_NORMAL, CNCMBUFFERMANAGER_ISCONGESTION, "CNcmBufferManager::FreeBufferCount %d", iFreeQueue.Count() );
-    return iIsCongestion;
-    }
-
-TInt CNcmBufferManager::RequiredBufferCount()
-    {
-    return KUnCongestionCount;
-    }
-
-