etherbus.hh revision 13784
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/etherpkt.hh" 398229SN/A#include "params/EtherBus.hh" 4056SN/A#include "sim/eventq.hh" 4156SN/A#include "sim/sim_object.hh" 422SN/A 432SN/Aclass EtherDump; 442SN/Aclass EtherInt; 4513784Sgabeblack@google.comclass EtherBus : public SimObject 462SN/A{ 472SN/A protected: 482SN/A typedef std::list<EtherInt *> devlist_t; 492SN/A devlist_t devlist; 501634SN/A double ticksPerByte; 512SN/A bool loopback; 522SN/A 532SN/A protected: 5412130Sspwilson2@wisc.edu EventFunctionWrapper event; 552566SN/A EthPacketPtr packet; 562SN/A EtherInt *sender; 572SN/A EtherDump *dump; 582SN/A 592SN/A public: 604981SN/A typedef EtherBusParams Params; 614981SN/A EtherBus(const Params *p); 622SN/A virtual ~EtherBus() {} 632SN/A 644981SN/A const Params * 654981SN/A params() const 664981SN/A { 674981SN/A return dynamic_cast<const Params *>(_params); 684981SN/A } 694981SN/A 702SN/A void txDone(); 712SN/A void reg(EtherInt *dev); 722SN/A bool busy() const { return (bool)packet; } 732566SN/A bool send(EtherInt *sender, EthPacketPtr &packet); 7413784Sgabeblack@google.com Port &getPort(const std::string &if_name, 7513784Sgabeblack@google.com PortID idx=InvalidPortID) override; 762SN/A}; 772SN/A 7811263Sandreas.sandberg@arm.com#endif // __DEV_NET_ETHERBUS_HH__ 79