gem5/src/dev/etherdevice.hh

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/*
* Copyright (c) 2007 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Ali Saidi
*/
/**
* @file
* Base Ethernet Device declaration.
*/
#ifndef __DEV_ETHERDEVICE_HH__
#define __DEV_ETHERDEVICE_HH__
#include "base/statistics.hh"
#include "dev/pcidev.hh"
#include "params/EtherDevice.hh"
#include "sim/sim_object.hh"
class EtherInt;
/**
* The base EtherObject class, allows for an accesor function to a
* simobj that returns the Port.
*/
class EtherDevice : public PciDev
{
public:
typedef EtherDeviceParams Params;
EtherDevice(const Params *params)
: PciDev(params)
{}
const Params *
params() const
{
return dynamic_cast<const Params *>(_params);
}
public:
/** Additional function to return the Port of a memory object. */
virtual EtherInt *getEthPort(const std::string &if_name, int idx = -1) = 0;
public:
void regStats();
protected:
Stats::Scalar<> txBytes;
Stats::Scalar<> rxBytes;
Stats::Scalar<> txPackets;
Stats::Scalar<> rxPackets;
Stats::Scalar<> txIpChecksums;
Stats::Scalar<> rxIpChecksums;
Stats::Scalar<> txTcpChecksums;
Stats::Scalar<> rxTcpChecksums;
Stats::Scalar<> txUdpChecksums;
Stats::Scalar<> rxUdpChecksums;
Stats::Scalar<> descDmaReads;
Stats::Scalar<> descDmaWrites;
Stats::Scalar<> descDmaRdBytes;
Stats::Scalar<> descDmaWrBytes;
Stats::Formula totBandwidth;
Stats::Formula totPackets;
Stats::Formula totBytes;
Stats::Formula totPacketRate;
Stats::Formula txBandwidth;
Stats::Formula rxBandwidth;
Stats::Formula txPacketRate;
Stats::Formula rxPacketRate;
Stats::Scalar<> postedSwi;
Stats::Formula coalescedSwi;
Stats::Scalar<> totalSwi;
Stats::Scalar<> postedRxIdle;
Stats::Formula coalescedRxIdle;
Stats::Scalar<> totalRxIdle;
Stats::Scalar<> postedRxOk;
Stats::Formula coalescedRxOk;
Stats::Scalar<> totalRxOk;
Stats::Scalar<> postedRxDesc;
Stats::Formula coalescedRxDesc;
Stats::Scalar<> totalRxDesc;
Stats::Scalar<> postedTxOk;
Stats::Formula coalescedTxOk;
Stats::Scalar<> totalTxOk;
Stats::Scalar<> postedTxIdle;
Stats::Formula coalescedTxIdle;
Stats::Scalar<> totalTxIdle;
Stats::Scalar<> postedTxDesc;
Stats::Formula coalescedTxDesc;
Stats::Scalar<> totalTxDesc;
Stats::Scalar<> postedRxOrn;
Stats::Formula coalescedRxOrn;
Stats::Scalar<> totalRxOrn;
Stats::Formula coalescedTotal;
Stats::Scalar<> postedInterrupts;
Stats::Scalar<> droppedPackets;
};
#endif //__DEV_ETHERDEVICE_HH__