| /* |
| * Copyright (c) 2002-2005 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* @file |
| * Device module for modelling an ethernet hub |
| */ |
| |
| #ifndef __DEV_NET_ETHERBUS_HH__ |
| #define __DEV_NET_ETHERBUS_HH__ |
| |
| #include "dev/net/etherpkt.hh" |
| #include "params/EtherBus.hh" |
| #include "sim/eventq.hh" |
| #include "sim/sim_object.hh" |
| |
| class EtherDump; |
| class EtherInt; |
| class EtherBus : public SimObject |
| { |
| protected: |
| typedef std::list<EtherInt *> devlist_t; |
| devlist_t devlist; |
| double ticksPerByte; |
| bool loopback; |
| |
| protected: |
| EventFunctionWrapper event; |
| EthPacketPtr packet; |
| EtherInt *sender; |
| EtherDump *dump; |
| |
| public: |
| using Params = EtherBusParams; |
| EtherBus(const Params &p); |
| virtual ~EtherBus() {} |
| |
| void txDone(); |
| void reg(EtherInt *dev); |
| bool busy() const { return (bool)packet; } |
| bool send(EtherInt *sender, EthPacketPtr &packet); |
| Port &getPort(const std::string &if_name, |
| PortID idx=InvalidPortID) override; |
| }; |
| |
| #endif // __DEV_NET_ETHERBUS_HH__ |