etherint.hh revision 2665
1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31/* @file 32 * Class representing the actual interface between two ethernet 33 * components. 34 */ 35 36#ifndef __DEV_ETHERINT_HH__ 37#define __DEV_ETHERINT_HH__ 38 39#include <string> 40 41#include "dev/etherpkt.hh" 42#include "sim/sim_object.hh" 43 44/* 45 * Class representing the actual interface between two ethernet 46 * components. These components are intended to attach to another 47 * ethernet interface on one side and whatever device on the other. 48 */ 49class EtherInt : public SimObject 50{ 51 protected: 52 EtherInt *peer; 53 54 public: 55 EtherInt(const std::string &name) : SimObject(name), peer(NULL) {} 56 virtual ~EtherInt() {} 57 58 void setPeer(EtherInt *p); 59 60 void recvDone() { peer->sendDone(); } 61 virtual void sendDone() = 0; 62 63 bool sendPacket(EthPacketPtr packet) 64 { return peer ? peer->recvPacket(packet) : true; } 65 virtual bool recvPacket(EthPacketPtr packet) = 0; 66}; 67 68#endif // __DEV_ETHERINT_HH__ 69