gem5/dev/etherlink.cc
Steve Reinhardt 25693e9e69 Make include paths explicit and update makefile accordingly.
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
arch/alpha/ev5.cc:
arch/alpha/ev5.hh:
arch/alpha/fake_syscall.cc:
arch/alpha/faults.cc:
arch/alpha/isa_desc:
arch/alpha/isa_traits.hh:
arch/alpha/osfpal.cc:
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
base/circlebuf.cc:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/cprintf.cc:
base/cprintf.hh:
base/fast_alloc.cc:
base/fifo_buffer.cc:
base/fifo_buffer.hh:
base/hashmap.hh:
base/hostinfo.cc:
base/hostinfo.hh:
base/hybrid_pred.cc:
base/hybrid_pred.hh:
base/inet.cc:
base/inet.hh:
base/inifile.cc:
base/inifile.hh:
base/intmath.cc:
base/loader/aout_object.cc:
base/loader/aout_object.hh:
base/loader/ecoff_object.cc:
base/loader/ecoff_object.hh:
base/loader/elf_object.cc:
base/loader/elf_object.hh:
base/loader/exec_aout.h:
base/loader/exec_ecoff.h:
base/loader/object_file.cc:
base/loader/object_file.hh:
base/loader/symtab.cc:
base/loader/symtab.hh:
base/misc.cc:
base/misc.hh:
base/pollevent.cc:
base/pollevent.hh:
base/random.cc:
base/random.hh:
base/range.hh:
base/remote_gdb.cc:
base/remote_gdb.hh:
base/res_list.hh:
base/sat_counter.cc:
base/sat_counter.hh:
base/sched_list.hh:
base/socket.cc:
base/statistics.cc:
base/statistics.hh:
base/str.cc:
base/trace.cc:
base/trace.hh:
cpu/base_cpu.cc:
cpu/base_cpu.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/exetrace.hh:
cpu/intr_control.cc:
cpu/intr_control.hh:
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/simple_cpu/simple_cpu.cc:
cpu/simple_cpu/simple_cpu.hh:
cpu/static_inst.cc:
cpu/static_inst.hh:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/console.cc:
dev/console.hh:
dev/disk_image.cc:
dev/disk_image.hh:
dev/etherbus.cc:
dev/etherbus.hh:
dev/etherdump.cc:
dev/etherdump.hh:
dev/etherint.cc:
dev/etherint.hh:
dev/etherlink.cc:
dev/etherlink.hh:
dev/etherpkt.hh:
dev/ethertap.cc:
dev/ethertap.hh:
dev/simple_disk.cc:
dev/simple_disk.hh:
kern/tru64/tru64_syscalls.cc:
kern/tru64/tru64_syscalls.hh:
sim/debug.cc:
sim/eventq.cc:
sim/eventq.hh:
sim/main.cc:
sim/param.cc:
sim/param.hh:
sim/prog.cc:
sim/prog.hh:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_object.cc:
sim/sim_object.hh:
sim/sim_time.cc:
sim/system.cc:
sim/system.hh:
sim/universe.cc:
test/circletest.cc:
test/cprintftest.cc:
test/initest.cc:
test/nmtest.cc:
test/offtest.cc:
test/paramtest.cc:
test/rangetest.cc:
test/stattest.cc:
test/strnumtest.cc:
test/symtest.cc:
test/tokentest.cc:
test/tracetest.cc:
util/tap/tap.cc:
    Make include paths explicit.

--HG--
extra : convert_revision : 941cbdc591fd4d3d1d9f095cd58fc23dd2d73840
2003-10-10 11:09:00 -07:00

148 lines
4.4 KiB
C++

/*
* Copyright (c) 2003 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 a fixed bandwidth full duplex ethernet link
*/
#include <deque>
#include <string>
#include <vector>
#include <math.h>
#include "dev/etherlink.hh"
#include "dev/etherdump.hh"
#include "dev/etherint.hh"
#include "dev/etherpkt.hh"
#include "base/trace.hh"
#include "sim/universe.hh"
using namespace std;
EtherLink::EtherLink(const std::string &name, EtherInt *i1, EtherInt *i2,
Tick speed, EtherDump *dump)
: SimObject(name)
{
double rate = ((double)ticksPerSecond * 8.0) / (double)speed;
link1 = new Link(name + ".link1", rate, dump);
link2 = new Link(name + ".link2", rate, dump);
int1 = new Interface(name + ".int1", link1, link2);
int2 = new Interface(name + ".int2", link2, link1);
int1->setPeer(i1);
i1->setPeer(int1);
int2->setPeer(i2);
i2->setPeer(int2);
}
EtherLink::~EtherLink()
{
delete link1;
delete link2;
delete int1;
delete int2;
}
EtherLink::Interface::Interface(const std::string &name, Link *tx, Link *rx)
: EtherInt(name), txlink(tx)
{
tx->setTxInt(this);
rx->setRxInt(this);
}
EtherLink::Link::Link(const std::string &name, double rate, EtherDump *d)
: Serializeable(name), txint(NULL), rxint(NULL), ticks_per_byte(rate),
dump(d), event(&mainEventQueue, this)
{}
void
EtherLink::Link::txDone()
{
rxint->sendPacket(packet);
if (dump)
dump->dump(packet);
DPRINTF(Ethernet, "EtherLink packet received: len=%d\n", packet->length);
DDUMP(EthernetData, packet->data, packet->length);
packet = 0;
assert(!busy());
txint->sendDone();
}
bool
EtherLink::Link::transmit(PacketPtr pkt)
{
if (busy()) {
DPRINTF(Ethernet, "EtherLink packet not sent, link busy\n");
return false;
}
DPRINTF(Ethernet, "EtherLink packet sent: len=%d\n", pkt->length);
DDUMP(EthernetData, pkt->data, pkt->length);
packet = pkt;
int delay = (int)ceil(((double)pkt->length * ticks_per_byte) + 1.0);
DPRINTF(Ethernet, "EtherLink scheduling packet: delay=%d, (rate=%f)\n",
delay, ticks_per_byte);
event.schedule(curTick + delay);
return true;
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
SimObjectParam<EtherInt *> interface1;
SimObjectParam<EtherInt *> interface2;
Param<int> link_speed;
SimObjectParam<EtherDump *> packet_dump;
END_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
BEGIN_INIT_SIM_OBJECT_PARAMS(EtherLink)
INIT_PARAM(interface1, "interface 1"),
INIT_PARAM(interface2, "interface 2"),
INIT_PARAM_DFLT(link_speed, "link speed in bits per second", 100000000),
INIT_PARAM_DFLT(packet_dump, "object to dump network packets to", NULL)
END_INIT_SIM_OBJECT_PARAMS(EtherLink)
CREATE_SIM_OBJECT(EtherLink)
{
return new EtherLink(getInstanceName(), interface1, interface2, link_speed,
packet_dump);
}
REGISTER_SIM_OBJECT("EtherLink", EtherLink)