43a9caa221
millisecond, microsecond, etc. so that the user can explicitly
convert between system ticks and time and know what sorts of
expensive operations are being used for that conversion.
arch/alpha/alpha_tru64_process.cc:
arch/alpha/pseudo_inst.cc:
dev/etherdump.cc:
dev/etherlink.cc:
dev/ns_gige.cc:
dev/sinic.cc:
dev/tsunami_io.cc:
dev/uart.cc:
sim/stat_control.cc:
sim/syscall_emul.hh:
Use the new variables for getting the event clock
dev/etherdump.hh:
delete variables that are no longer needed.
--HG--
extra : convert_revision : d95fc7d44909443e1b7952a24ef822ef051c7cf2
137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 2002-2004 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
|
|
* Simple object for creating a simple pcap style packet trace
|
|
*/
|
|
|
|
#include <sys/time.h>
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
|
|
#include "base/misc.hh"
|
|
#include "base/output.hh"
|
|
#include "dev/etherdump.hh"
|
|
#include "sim/builder.hh"
|
|
#include "sim/universe.hh"
|
|
|
|
using std::string;
|
|
|
|
EtherDump::EtherDump(const string &name, const string &file, int max)
|
|
: SimObject(name), stream(file.c_str()), maxlen(max)
|
|
{
|
|
}
|
|
|
|
#define DLT_EN10MB 1 // Ethernet (10Mb)
|
|
#define TCPDUMP_MAGIC 0xa1b2c3d4
|
|
#define PCAP_VERSION_MAJOR 2
|
|
#define PCAP_VERSION_MINOR 4
|
|
|
|
struct pcap_file_header {
|
|
uint32_t magic;
|
|
uint16_t version_major;
|
|
uint16_t version_minor;
|
|
int32_t thiszone; // gmt to local correction
|
|
uint32_t sigfigs; // accuracy of timestamps
|
|
uint32_t snaplen; // max length saved portion of each pkt
|
|
uint32_t linktype; // data link type (DLT_*)
|
|
};
|
|
|
|
struct pcap_pkthdr {
|
|
uint32_t seconds;
|
|
uint32_t microseconds;
|
|
uint32_t caplen; // length of portion present
|
|
uint32_t len; // length this packet (off wire)
|
|
};
|
|
|
|
void
|
|
EtherDump::init()
|
|
{
|
|
curtime = time(NULL);
|
|
struct pcap_file_header hdr;
|
|
hdr.magic = TCPDUMP_MAGIC;
|
|
hdr.version_major = PCAP_VERSION_MAJOR;
|
|
hdr.version_minor = PCAP_VERSION_MINOR;
|
|
|
|
hdr.thiszone = -5 * 3600;
|
|
hdr.snaplen = 1500;
|
|
hdr.sigfigs = 0;
|
|
hdr.linktype = DLT_EN10MB;
|
|
|
|
stream.write(reinterpret_cast<char *>(&hdr), sizeof(hdr));
|
|
|
|
/*
|
|
* output an empty packet with the current time so that we know
|
|
* when the simulation began. This allows us to correlate packets
|
|
* to sim_cycles.
|
|
*/
|
|
pcap_pkthdr pkthdr;
|
|
pkthdr.seconds = curtime;
|
|
pkthdr.microseconds = 0;
|
|
pkthdr.caplen = 0;
|
|
pkthdr.len = 0;
|
|
stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
|
|
|
|
stream.flush();
|
|
}
|
|
|
|
void
|
|
EtherDump::dumpPacket(PacketPtr &packet)
|
|
{
|
|
pcap_pkthdr pkthdr;
|
|
pkthdr.seconds = curtime + (curTick / Clock::Int::s);
|
|
pkthdr.microseconds = (curTick / Clock::Int::us) % ULL(1000000);
|
|
pkthdr.caplen = std::min(packet->length, maxlen);
|
|
pkthdr.len = packet->length;
|
|
stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
|
|
stream.write(reinterpret_cast<char *>(packet->data), pkthdr.caplen);
|
|
stream.flush();
|
|
}
|
|
|
|
BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
|
|
|
|
Param<string> file;
|
|
Param<int> maxlen;
|
|
|
|
END_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
|
|
|
|
BEGIN_INIT_SIM_OBJECT_PARAMS(EtherDump)
|
|
|
|
INIT_PARAM_DFLT(file, "file to dump packets to", "etherdump"),
|
|
INIT_PARAM_DFLT(maxlen, "max portion of packet data to dump", 96)
|
|
|
|
END_INIT_SIM_OBJECT_PARAMS(EtherDump)
|
|
|
|
CREATE_SIM_OBJECT(EtherDump)
|
|
{
|
|
return new EtherDump(getInstanceName(), simout.resolve(file), maxlen);
|
|
}
|
|
|
|
REGISTER_SIM_OBJECT("EtherDump", EtherDump)
|