etherbus.hh revision 11263
12SN/A/* 21762SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665SN/A * 282665SN/A * Authors: Nathan Binkert 292SN/A */ 302SN/A 312SN/A/* @file 322SN/A * Device module for modelling an ethernet hub 332SN/A */ 342SN/A 3511263Sandreas.sandberg@arm.com#ifndef __DEV_NET_ETHERBUS_HH__ 3611263Sandreas.sandberg@arm.com#define __DEV_NET_ETHERBUS_HH__ 372SN/A 3811263Sandreas.sandberg@arm.com#include "dev/net/etherobject.hh" 3911263Sandreas.sandberg@arm.com#include "dev/net/etherpkt.hh" 408229SN/A#include "params/EtherBus.hh" 4156SN/A#include "sim/eventq.hh" 4256SN/A#include "sim/sim_object.hh" 432SN/A 442SN/Aclass EtherDump; 452SN/Aclass EtherInt; 464981SN/Aclass EtherBus : public EtherObject 472SN/A{ 482SN/A protected: 492SN/A typedef std::list<EtherInt *> devlist_t; 502SN/A devlist_t devlist; 511634SN/A double ticksPerByte; 522SN/A bool loopback; 532SN/A 542SN/A protected: 552SN/A class DoneEvent : public Event 562SN/A { 572SN/A protected: 582SN/A EtherBus *bus; 592SN/A 602SN/A public: 615606SN/A DoneEvent(EtherBus *b) : bus(b) {} 622SN/A virtual void process() { bus->txDone(); } 635336SN/A virtual const char *description() const 645336SN/A { return "ethernet bus completion"; } 652SN/A }; 662SN/A 672SN/A DoneEvent event; 682566SN/A EthPacketPtr packet; 692SN/A EtherInt *sender; 702SN/A EtherDump *dump; 712SN/A 722SN/A public: 734981SN/A typedef EtherBusParams Params; 744981SN/A EtherBus(const Params *p); 752SN/A virtual ~EtherBus() {} 762SN/A 774981SN/A const Params * 784981SN/A params() const 794981SN/A { 804981SN/A return dynamic_cast<const Params *>(_params); 814981SN/A } 824981SN/A 832SN/A void txDone(); 842SN/A void reg(EtherInt *dev); 852SN/A bool busy() const { return (bool)packet; } 862566SN/A bool send(EtherInt *sender, EthPacketPtr &packet); 874981SN/A virtual EtherInt *getEthPort(const std::string &if_name, int idx); 882SN/A}; 892SN/A 9011263Sandreas.sandberg@arm.com#endif // __DEV_NET_ETHERBUS_HH__ 91