bdb2820218
Change-Id: I0907a6f1ada3038305c2d83a350a8d435ac657ba Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/25403 Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Tested-by: kokoro <noreply+kokoro@google.com>
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Copyright (c) 2002-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* @file
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* Class representing the actual interface between two ethernet
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* components.
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*/
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#ifndef __DEV_NET_ETHERINT_HH__
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#define __DEV_NET_ETHERINT_HH__
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#include <string>
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#include "dev/net/etherpkt.hh"
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#include "mem/port.hh"
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/*
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* Class representing the actual interface between two ethernet
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* components. These components are intended to attach to another
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* ethernet interface on one side and whatever device on the other.
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*/
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class EtherInt : public Port
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{
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protected:
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mutable std::string portName;
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EtherInt *peer;
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public:
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EtherInt(const std::string &name, int idx=InvalidPortID)
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: Port(name, idx), portName(name), peer(NULL) {}
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virtual ~EtherInt() {}
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/** Return port name (for DPRINTF). */
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const std::string &name() const { return portName; }
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void bind(Port &peer) override;
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void unbind() override;
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void setPeer(EtherInt *p);
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EtherInt* getPeer() { return peer; }
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void recvDone() { peer->sendDone(); }
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virtual void sendDone() = 0;
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bool sendPacket(EthPacketPtr packet)
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{ return peer ? peer->recvPacket(packet) : true; }
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virtual bool recvPacket(EthPacketPtr packet) = 0;
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bool askBusy() {return peer->isBusy(); }
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virtual bool isBusy() { return false; }
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};
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#endif // __DEV_NET_ETHERINT_HH__
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