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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_NET_ETHERDEVICE_HH__
#define __DEV_NET_ETHERDEVICE_HH__
#include "base/statistics.hh"
#include "dev/pci/device.hh"
#include "params/EtherDevBase.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 PciDevice
{
public:
typedef EtherDeviceParams Params;
EtherDevice(const Params *params)
: PciDevice(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;
};
/**
* Dummy class to keep the Python class hierarchy in sync with the C++
* object hierarchy.
*
* The Python object hierarchy includes the EtherDevBase class which
* is used by some ethernet devices as a way to share common
* configuration information in the generated param structs. Since the
* Python hierarchy is used to generate a SWIG interface for all C++
* SimObjects, we need to reflect this in the C++ object hierarchy. If
* we don't, SWIG might end up doing 'bad things' when it down casts
* ethernet objects to their base class(es).
*/
class EtherDevBase : public EtherDevice
{
public:
EtherDevBase(const EtherDevBaseParams *params)
: EtherDevice(params)
{}
const EtherDevBaseParams *
params() const
{
return dynamic_cast<const EtherDevBaseParams *>(_params);
}
};
#endif // __DEV_NET_ETHERDEVICE_HH__
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