X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fdev%2Fetherlink.cc;h=f3f38fc20fb04f08eba5fc097c566f822dfcd329;hb=a01437ab03fedd65405f214aacb0416088704505;hp=8c54da67890bd506cb7c497f6ff06b6f34485ccb;hpb=26b1c455e0aed69eda0cc165b5084edb1b557c38;p=gem5.git diff --git a/src/dev/etherlink.cc b/src/dev/etherlink.cc index 8c54da678..f3f38fc20 100644 --- a/src/dev/etherlink.cc +++ b/src/dev/etherlink.cc @@ -51,22 +51,19 @@ using namespace std; -EtherLink::EtherLink(const string &name, EtherInt *peer0, EtherInt *peer1, - double rate, Tick delay, Tick delayVar, EtherDump *dump) - : SimObject(name) +EtherLink::EtherLink(const Params *p) + : EtherObject(p) { - link[0] = new Link(name + ".link0", this, 0, rate, delay, delayVar, dump); - link[1] = new Link(name + ".link1", this, 1, rate, delay, delayVar, dump); + link[0] = new Link(name() + ".link0", this, 0, p->speed, + p->delay, p->delay_var, p->dump); + link[1] = new Link(name() + ".link1", this, 1, p->speed, + p->delay, p->delay_var, p->dump); - interface[0] = new Interface(name + ".int0", link[0], link[1]); - interface[1] = new Interface(name + ".int1", link[1], link[0]); - - interface[0]->setPeer(peer0); - peer0->setPeer(interface[0]); - interface[1]->setPeer(peer1); - peer1->setPeer(interface[1]); + interface[0] = new Interface(name() + ".int0", link[0], link[1]); + interface[1] = new Interface(name() + ".int1", link[1], link[0]); } + EtherLink::~EtherLink() { delete link[0]; @@ -76,6 +73,23 @@ EtherLink::~EtherLink() delete interface[1]; } +EtherInt* +EtherLink::getEthPort(const std::string &if_name, int idx) +{ + Interface *i; + if (if_name == "int0") + i = interface[0]; + else if (if_name == "int1") + i = interface[1]; + else + return NULL; + if (i->getPeer()) + panic("interface already connected to\n"); + + return i; +} + + EtherLink::Interface::Interface(const string &name, Link *tx, Link *rx) : EtherInt(name), txlink(tx) { @@ -121,7 +135,7 @@ class LinkDelayEvent : public Event public: // non-scheduling version for createForUnserialize() LinkDelayEvent(); - LinkDelayEvent(EtherLink::Link *link, EthPacketPtr pkt, Tick when); + LinkDelayEvent(EtherLink::Link *link, EthPacketPtr pkt); void process(); @@ -139,7 +153,8 @@ EtherLink::Link::txDone() if (linkDelay > 0) { DPRINTF(Ethernet, "packet delayed: delay=%d\n", linkDelay); - new LinkDelayEvent(this, packet, curTick + linkDelay); + Event *event = new LinkDelayEvent(this, packet); + parent->schedule(event, curTick + linkDelay); } else { txComplete(packet); } @@ -163,13 +178,12 @@ EtherLink::Link::transmit(EthPacketPtr pkt) packet = pkt; Tick delay = (Tick)ceil(((double)pkt->length * ticksPerByte) + 1.0); - if (delayVar != 0) { - Random var; - delay += var.uniform(0, delayVar); - } + if (delayVar != 0) + delay += random_mt.random(0, delayVar); + DPRINTF(Ethernet, "scheduling packet: delay=%d, (rate=%f)\n", delay, ticksPerByte); - doneEvent.schedule(curTick + delay); + parent->schedule(doneEvent, curTick + delay); return true; } @@ -207,23 +221,22 @@ EtherLink::Link::unserialize(const string &base, Checkpoint *cp, if (event_scheduled) { Tick event_time; paramIn(cp, section, base + ".event_time", event_time); - doneEvent.schedule(event_time); + parent->schedule(doneEvent, event_time); } } LinkDelayEvent::LinkDelayEvent() - : Event(&mainEventQueue), link(NULL) + : link(NULL) { setFlags(AutoSerialize); setFlags(AutoDelete); } -LinkDelayEvent::LinkDelayEvent(EtherLink::Link *l, EthPacketPtr p, Tick when) - : Event(&mainEventQueue), link(l), packet(p) +LinkDelayEvent::LinkDelayEvent(EtherLink::Link *l, EthPacketPtr p) + : link(l), packet(p) { setFlags(AutoSerialize); setFlags(AutoDelete); - schedule(when); } void @@ -275,5 +288,5 @@ REGISTER_SERIALIZEABLE("LinkDelayEvent", LinkDelayEvent) EtherLink * EtherLinkParams::create() { - return new EtherLink(name, int1, int2, speed, delay, delay_var, dump); + return new EtherLink(this); }