From 23c961a0fd97251ee7c760bc2ff2a011a417ad9b Mon Sep 17 00:00:00 2001 From: Andreas Sandberg Date: Thu, 10 Dec 2015 10:35:18 +0000 Subject: dev: Move network devices to src/dev/net/ --HG-- rename : src/dev/Ethernet.py => src/dev/net/Ethernet.py rename : src/dev/etherbus.cc => src/dev/net/etherbus.cc rename : src/dev/etherbus.hh => src/dev/net/etherbus.hh rename : src/dev/etherdevice.cc => src/dev/net/etherdevice.cc rename : src/dev/etherdevice.hh => src/dev/net/etherdevice.hh rename : src/dev/etherdump.cc => src/dev/net/etherdump.cc rename : src/dev/etherdump.hh => src/dev/net/etherdump.hh rename : src/dev/etherint.cc => src/dev/net/etherint.cc rename : src/dev/etherint.hh => src/dev/net/etherint.hh rename : src/dev/etherlink.cc => src/dev/net/etherlink.cc rename : src/dev/etherlink.hh => src/dev/net/etherlink.hh rename : src/dev/etherobject.hh => src/dev/net/etherobject.hh rename : src/dev/etherpkt.cc => src/dev/net/etherpkt.cc rename : src/dev/etherpkt.hh => src/dev/net/etherpkt.hh rename : src/dev/ethertap.cc => src/dev/net/ethertap.cc rename : src/dev/ethertap.hh => src/dev/net/ethertap.hh rename : src/dev/i8254xGBe.cc => src/dev/net/i8254xGBe.cc rename : src/dev/i8254xGBe.hh => src/dev/net/i8254xGBe.hh rename : src/dev/i8254xGBe_defs.hh => src/dev/net/i8254xGBe_defs.hh rename : src/dev/multi_etherlink.cc => src/dev/net/multi_etherlink.cc rename : src/dev/multi_etherlink.hh => src/dev/net/multi_etherlink.hh rename : src/dev/multi_iface.cc => src/dev/net/multi_iface.cc rename : src/dev/multi_iface.hh => src/dev/net/multi_iface.hh rename : src/dev/multi_packet.cc => src/dev/net/multi_packet.cc rename : src/dev/multi_packet.hh => src/dev/net/multi_packet.hh rename : src/dev/ns_gige.cc => src/dev/net/ns_gige.cc rename : src/dev/ns_gige.hh => src/dev/net/ns_gige.hh rename : src/dev/ns_gige_reg.h => src/dev/net/ns_gige_reg.h rename : src/dev/pktfifo.cc => src/dev/net/pktfifo.cc rename : src/dev/pktfifo.hh => src/dev/net/pktfifo.hh rename : src/dev/sinic.cc => src/dev/net/sinic.cc rename : src/dev/sinic.hh => src/dev/net/sinic.hh rename : src/dev/sinicreg.hh => src/dev/net/sinicreg.hh rename : src/dev/tcp_iface.cc => src/dev/net/tcp_iface.cc rename : src/dev/tcp_iface.hh => src/dev/net/tcp_iface.hh --- src/dev/multi_etherlink.cc | 266 --------------------------------------------- 1 file changed, 266 deletions(-) delete mode 100644 src/dev/multi_etherlink.cc (limited to 'src/dev/multi_etherlink.cc') diff --git a/src/dev/multi_etherlink.cc b/src/dev/multi_etherlink.cc deleted file mode 100644 index b7d411ac3..000000000 --- a/src/dev/multi_etherlink.cc +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright (c) 2015 ARM Limited - * All rights reserved - * - * The license below extends only to copyright in the software and shall - * not be construed as granting a license to any other intellectual - * property including but not limited to intellectual property relating - * to a hardware implementation of the functionality of the software - * licensed hereunder. You may use the software subject to the license - * terms below provided that you ensure that this notice is replicated - * unmodified and in its entirety in all distributions of the software, - * modified or unmodified, in source code or in binary form. - * - * 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. - * - * Authors: Gabor Dozsa - */ - -/* @file - * Device module for a full duplex ethernet link for multi gem5 simulations. - */ - -#include "dev/multi_etherlink.hh" - -#include -#include -#include - -#include -#include -#include -#include - -#include "base/random.hh" -#include "base/trace.hh" -#include "debug/EthernetData.hh" -#include "debug/MultiEthernet.hh" -#include "debug/MultiEthernetPkt.hh" -#include "dev/etherdump.hh" -#include "dev/etherint.hh" -#include "dev/etherlink.hh" -#include "dev/etherobject.hh" -#include "dev/etherpkt.hh" -#include "dev/multi_iface.hh" -#include "dev/tcp_iface.hh" -#include "params/EtherLink.hh" -#include "sim/core.hh" -#include "sim/serialize.hh" -#include "sim/system.hh" - -using namespace std; - -MultiEtherLink::MultiEtherLink(const Params *p) - : EtherObject(p) -{ - DPRINTF(MultiEthernet,"MultiEtherLink::MultiEtherLink() " - "link delay:%llu\n", p->delay); - - txLink = new TxLink(name() + ".link0", this, p->speed, p->delay_var, - p->dump); - rxLink = new RxLink(name() + ".link1", this, p->delay, p->dump); - - // create the multi (TCP) interface to talk to the peer gem5 processes. - multiIface = new TCPIface(p->server_name, p->server_port, p->multi_rank, - p->sync_start, p->sync_repeat, this); - - localIface = new LocalIface(name() + ".int0", txLink, rxLink, multiIface); -} - -MultiEtherLink::~MultiEtherLink() -{ - delete txLink; - delete rxLink; - delete localIface; - delete multiIface; -} - -EtherInt* -MultiEtherLink::getEthPort(const std::string &if_name, int idx) -{ - if (if_name != "int0") { - return nullptr; - } else { - panic_if(localIface->getPeer(), "interface already connected to"); - } - return localIface; -} - -void MultiEtherLink::memWriteback() -{ - DPRINTF(MultiEthernet,"MultiEtherLink::memWriteback() called\n"); - multiIface->drainDone(); -} - -void -MultiEtherLink::serialize(CheckpointOut &cp) const -{ - multiIface->serialize("multiIface", cp); - txLink->serialize("txLink", cp); - rxLink->serialize("rxLink", cp); -} - -void -MultiEtherLink::unserialize(CheckpointIn &cp) -{ - multiIface->unserialize("multiIface", cp); - txLink->unserialize("txLink", cp); - rxLink->unserialize("rxLink", cp); -} - -void -MultiEtherLink::init() -{ - DPRINTF(MultiEthernet,"MultiEtherLink::init() called\n"); - multiIface->initRandom(); -} - -void -MultiEtherLink::startup() -{ - DPRINTF(MultiEthernet,"MultiEtherLink::startup() called\n"); - multiIface->startPeriodicSync(); -} - -void -MultiEtherLink::RxLink::setMultiInt(MultiIface *m) -{ - assert(!multiIface); - multiIface = m; - // Spawn a new receiver thread that will process messages - // coming in from peer gem5 processes. - // The receive thread will also schedule a (receive) doneEvent - // for each incoming data packet. - multiIface->spawnRecvThread(&doneEvent, linkDelay); -} - -void -MultiEtherLink::RxLink::rxDone() -{ - assert(!busy()); - - // retrieve the packet that triggered the receive done event - packet = multiIface->packetIn(); - - if (dump) - dump->dump(packet); - - DPRINTF(MultiEthernetPkt, "MultiEtherLink::MultiLink::rxDone() " - "packet received: len=%d\n", packet->length); - DDUMP(EthernetData, packet->data, packet->length); - - localIface->sendPacket(packet); - - packet = nullptr; -} - -void -MultiEtherLink::TxLink::txDone() -{ - if (dump) - dump->dump(packet); - - packet = nullptr; - assert(!busy()); - - localIface->sendDone(); -} - -bool -MultiEtherLink::TxLink::transmit(EthPacketPtr pkt) -{ - if (busy()) { - DPRINTF(MultiEthernet, "packet not sent, link busy\n"); - return false; - } - - packet = pkt; - Tick delay = (Tick)ceil(((double)pkt->length * ticksPerByte) + 1.0); - if (delayVar != 0) - delay += random_mt.random(0, delayVar); - - // send the packet to the peers - assert(multiIface); - multiIface->packetOut(pkt, delay); - - // schedule the send done event - parent->schedule(doneEvent, curTick() + delay); - - return true; -} - -void -MultiEtherLink::Link::serialize(const string &base, CheckpointOut &cp) const -{ - bool packet_exists = (packet != nullptr); - paramOut(cp, base + ".packet_exists", packet_exists); - if (packet_exists) - packet->serialize(base + ".packet", cp); - - bool event_scheduled = event->scheduled(); - paramOut(cp, base + ".event_scheduled", event_scheduled); - if (event_scheduled) { - Tick event_time = event->when(); - paramOut(cp, base + ".event_time", event_time); - } -} - -void -MultiEtherLink::Link::unserialize(const string &base, CheckpointIn &cp) -{ - bool packet_exists; - paramIn(cp, base + ".packet_exists", packet_exists); - if (packet_exists) { - packet = make_shared(16384); - packet->unserialize(base + ".packet", cp); - } - - bool event_scheduled; - paramIn(cp, base + ".event_scheduled", event_scheduled); - if (event_scheduled) { - Tick event_time; - paramIn(cp, base + ".event_time", event_time); - parent->schedule(*event, event_time); - } -} - -MultiEtherLink::LocalIface::LocalIface(const std::string &name, - TxLink *tx, - RxLink *rx, - MultiIface *m) : - EtherInt(name), txLink(tx) -{ - tx->setLocalInt(this); - rx->setLocalInt(this); - tx->setMultiInt(m); - rx->setMultiInt(m); -} - -MultiEtherLink * -MultiEtherLinkParams::create() -{ - return new MultiEtherLink(this); -} - - -- cgit v1.2.3