diff options
Diffstat (limited to 'dev/etherbus.cc')
-rw-r--r-- | dev/etherbus.cc | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/dev/etherbus.cc b/dev/etherbus.cc deleted file mode 100644 index c6b131e8e..000000000 --- a/dev/etherbus.cc +++ /dev/null @@ -1,125 +0,0 @@ -/* - * 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 - */ - -#include <cmath> -#include <deque> -#include <string> -#include <vector> - -#include "base/trace.hh" -#include "dev/etherbus.hh" -#include "dev/etherdump.hh" -#include "dev/etherint.hh" -#include "dev/etherpkt.hh" -#include "sim/builder.hh" -#include "sim/root.hh" - -using namespace std; - -EtherBus::EtherBus(const string &name, double speed, bool loop, - EtherDump *packet_dump) - : SimObject(name), ticksPerByte(speed), loopback(loop), - event(&mainEventQueue, this), sender(0), dump(packet_dump) -{ -} - -void -EtherBus::txDone() -{ - devlist_t::iterator i = devlist.begin(); - devlist_t::iterator end = devlist.end(); - - DPRINTF(Ethernet, "ethernet packet received: length=%d\n", packet->length); - DDUMP(EthernetData, packet->data, packet->length); - - while (i != end) { - if (loopback || *i != sender) - (*i)->sendPacket(packet); - ++i; - } - - sender->sendDone(); - - if (dump) - dump->dump(packet); - - sender = 0; - packet = 0; -} - -void -EtherBus::reg(EtherInt *dev) -{ devlist.push_back(dev); } - -bool -EtherBus::send(EtherInt *sndr, PacketPtr &pkt) -{ - if (busy()) { - DPRINTF(Ethernet, "ethernet packet not sent, bus busy\n", curTick); - return false; - } - - DPRINTF(Ethernet, "ethernet packet sent: length=%d\n", pkt->length); - DDUMP(EthernetData, pkt->data, pkt->length); - - packet = pkt; - sender = sndr; - int delay = (int)ceil(((double)pkt->length * ticksPerByte) + 1.0); - DPRINTF(Ethernet, "scheduling packet: delay=%d, (rate=%f)\n", - delay, ticksPerByte); - event.schedule(curTick + delay); - - return true; -} - -BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherBus) - - Param<bool> loopback; - Param<double> speed; - SimObjectParam<EtherDump *> packet_dump; - -END_DECLARE_SIM_OBJECT_PARAMS(EtherBus) - -BEGIN_INIT_SIM_OBJECT_PARAMS(EtherBus) - - INIT_PARAM(loopback, "send the packet back to the sending interface"), - INIT_PARAM(speed, "bus speed in ticks per byte"), - INIT_PARAM(packet_dump, "object to dump network packets to") - -END_INIT_SIM_OBJECT_PARAMS(EtherBus) - -CREATE_SIM_OBJECT(EtherBus) -{ - return new EtherBus(getInstanceName(), speed, loopback, packet_dump); -} - -REGISTER_SIM_OBJECT("EtherBus", EtherBus) |