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 * Device module for modelling an ethernet hub 33 */ 34 35#ifndef __DEV_NET_ETHERBUS_HH__ 36#define __DEV_NET_ETHERBUS_HH__ 37
| 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 * Device module for modelling an ethernet hub 33 */ 34 35#ifndef __DEV_NET_ETHERBUS_HH__ 36#define __DEV_NET_ETHERBUS_HH__ 37
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47{ 48 protected: 49 typedef std::list<EtherInt *> devlist_t; 50 devlist_t devlist; 51 double ticksPerByte; 52 bool loopback; 53 54 protected: 55 EventFunctionWrapper event; 56 EthPacketPtr packet; 57 EtherInt *sender; 58 EtherDump *dump; 59 60 public: 61 typedef EtherBusParams Params; 62 EtherBus(const Params *p); 63 virtual ~EtherBus() {} 64 65 const Params * 66 params() const 67 { 68 return dynamic_cast<const Params *>(_params); 69 } 70 71 void txDone(); 72 void reg(EtherInt *dev); 73 bool busy() const { return (bool)packet; } 74 bool send(EtherInt *sender, EthPacketPtr &packet);
| 46{ 47 protected: 48 typedef std::list<EtherInt *> devlist_t; 49 devlist_t devlist; 50 double ticksPerByte; 51 bool loopback; 52 53 protected: 54 EventFunctionWrapper event; 55 EthPacketPtr packet; 56 EtherInt *sender; 57 EtherDump *dump; 58 59 public: 60 typedef EtherBusParams Params; 61 EtherBus(const Params *p); 62 virtual ~EtherBus() {} 63 64 const Params * 65 params() const 66 { 67 return dynamic_cast<const Params *>(_params); 68 } 69 70 void txDone(); 71 void reg(EtherInt *dev); 72 bool busy() const { return (bool)packet; } 73 bool send(EtherInt *sender, EthPacketPtr &packet);
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