Update copyright dates and author list SConscript: arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_linux_process.hh: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/alpha_tru64_process.hh: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_desc: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/osfpal.hh: arch/alpha/pseudo_inst.cc: arch/alpha/pseudo_inst.hh: arch/alpha/vptr.hh: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/bitfield.hh: base/callback.hh: base/circlebuf.cc: base/circlebuf.hh: base/cprintf.cc: base/cprintf.hh: base/cprintf_formats.hh: base/crc.hh: base/date.cc: base/dbl_list.hh: base/endian.hh: base/fast_alloc.cc: base/fast_alloc.hh: 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/intmath.hh: base/match.cc: base/match.hh: base/misc.cc: base/misc.hh: base/mod_num.hh: base/mysql.cc: base/mysql.hh: base/output.cc: base/output.hh: base/pollevent.cc: base/pollevent.hh: base/predictor.hh: base/random.cc: base/random.hh: base/range.cc: base/range.hh: base/refcnt.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/socket.hh: base/statistics.cc: base/statistics.hh: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/compression/null_compression.hh: 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/object_file.cc: base/loader/object_file.hh: base/loader/symtab.cc: base/loader/symtab.hh: base/stats/events.cc: base/stats/events.hh: base/stats/flags.hh: base/stats/mysql.cc: base/stats/mysql.hh: base/stats/mysql_run.hh: base/stats/output.hh: base/stats/statdb.cc: base/stats/statdb.hh: base/stats/text.cc: base/stats/text.hh: base/stats/types.hh: base/stats/visit.cc: base/stats/visit.hh: base/str.cc: base/str.hh: base/time.cc: base/time.hh: base/timebuf.hh: base/trace.cc: base/trace.hh: base/userinfo.cc: base/userinfo.hh: build/SConstruct: cpu/base.cc: cpu/base.hh: cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/inst_seq.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/memtest/memtest.cc: cpu/pc_event.cc: cpu/pc_event.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/memtest/memtest.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/trace/opt_cpu.cc: cpu/trace/opt_cpu.hh: cpu/trace/reader/ibm_reader.cc: cpu/trace/reader/ibm_reader.hh: cpu/trace/reader/itx_reader.cc: cpu/trace/reader/itx_reader.hh: cpu/trace/reader/m5_reader.cc: cpu/trace/reader/m5_reader.hh: cpu/trace/reader/mem_trace_reader.cc: cpu/trace/reader/mem_trace_reader.hh: cpu/trace/trace_cpu.cc: cpu/trace/trace_cpu.hh: dev/alpha_access.h: dev/alpha_console.cc: dev/alpha_console.hh: dev/baddev.cc: dev/baddev.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.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/io_device.cc: dev/io_device.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/ns_gige_reg.h: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/pktfifo.cc: dev/pktfifo.hh: dev/platform.cc: dev/platform.hh: dev/simconsole.cc: dev/simconsole.hh: dev/simple_disk.cc: dev/simple_disk.hh: dev/sinic.cc: dev/sinic.hh: dev/sinicreg.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: dev/tsunamireg.h: dev/uart.cc: dev/uart.hh: dev/uart8250.cc: dev/uart8250.hh: docs/stl.hh: encumbered/cpu/full/op_class.hh: kern/kernel_stats.cc: kern/kernel_stats.hh: kern/linux/linux.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/linux_threadinfo.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/system_events.cc: kern/system_events.hh: kern/tru64/dump_mbuf.cc: kern/tru64/dump_mbuf.hh: kern/tru64/mbuf.hh: kern/tru64/printf.cc: kern/tru64/printf.hh: kern/tru64/tru64.hh: kern/tru64/tru64_events.cc: kern/tru64/tru64_events.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: kern/tru64/tru64_system.cc: kern/tru64/tru64_system.hh: python/SConscript: python/m5/__init__.py: python/m5/config.py: python/m5/convert.py: python/m5/multidict.py: python/m5/smartdict.py: sim/async.hh: sim/builder.cc: sim/builder.hh: sim/debug.cc: sim/debug.hh: sim/eventq.cc: sim/eventq.hh: sim/host.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/process.cc: sim/process.hh: sim/root.cc: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_exit.hh: sim/sim_object.cc: sim/sim_object.hh: sim/startup.cc: sim/startup.hh: sim/stat_control.cc: sim/stat_control.hh: sim/stats.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: sim/system.cc: sim/system.hh: test/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/genini.py: test/initest.cc: test/lru_test.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/sized_test.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/ccdrv/devtime.c: util/m5/m5.c: util/oprofile-top.py: util/rundiff: util/m5/m5op.h: util/m5/m5op.s: util/stats/db.py: util/stats/dbinit.py: util/stats/display.py: util/stats/info.py: util/stats/print.py: util/stats/stats.py: util/tap/tap.cc: Update copyright dates and author list --HG-- extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
208 lines
5.1 KiB
C++
208 lines
5.1 KiB
C++
/*
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* Copyright (c) 2002-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cstdio>
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#include <sstream>
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#include <string>
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#include "base/cprintf.hh"
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#include "sim/host.hh"
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#include "base/inet.hh"
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using namespace std;
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namespace Net {
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EthAddr::EthAddr()
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{
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memset(data, 0, ETH_ADDR_LEN);
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}
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EthAddr::EthAddr(const uint8_t ea[ETH_ADDR_LEN])
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{
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*data = *ea;
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}
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EthAddr::EthAddr(const eth_addr &ea)
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{
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*data = *ea.data;
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}
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EthAddr::EthAddr(const std::string &addr)
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{
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parse(addr);
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}
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const EthAddr &
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EthAddr::operator=(const eth_addr &ea)
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{
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*data = *ea.data;
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return *this;
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}
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const EthAddr &
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EthAddr::operator=(const std::string &addr)
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{
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parse(addr);
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return *this;
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}
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void
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EthAddr::parse(const std::string &addr)
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{
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// the hack below is to make sure that ETH_ADDR_LEN is 6 otherwise
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// the sscanf function won't work.
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int bytes[ETH_ADDR_LEN == 6 ? ETH_ADDR_LEN : -1];
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if (sscanf(addr.c_str(), "%x:%x:%x:%x:%x:%x", &bytes[0], &bytes[1],
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&bytes[2], &bytes[3], &bytes[4], &bytes[5]) != ETH_ADDR_LEN) {
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memset(data, 0xff, ETH_ADDR_LEN);
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return;
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}
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for (int i = 0; i < ETH_ADDR_LEN; ++i) {
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if (bytes[i] & ~0xff) {
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memset(data, 0xff, ETH_ADDR_LEN);
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return;
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}
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data[i] = bytes[i];
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}
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}
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string
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EthAddr::string() const
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{
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stringstream stream;
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stream << *this;
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return stream.str();
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}
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bool
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operator==(const EthAddr &left, const EthAddr &right)
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{
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return memcmp(left.bytes(), right.bytes(), ETH_ADDR_LEN);
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}
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ostream &
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operator<<(ostream &stream, const EthAddr &ea)
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{
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const uint8_t *a = ea.addr();
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ccprintf(stream, "%x:%x:%x:%x:%x:%x", a[0], a[1], a[2], a[3], a[4], a[5]);
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return stream;
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}
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uint16_t
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cksum(const IpPtr &ptr)
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{
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int sum = ip_cksum_add(ptr->bytes(), ptr->hlen(), 0);
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return ip_cksum_carry(sum);
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}
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uint16_t
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__tu_cksum(const IpPtr &ip)
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{
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int tcplen = ip->len() - ip->hlen();
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int sum = ip_cksum_add(ip->payload(), tcplen, 0);
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sum = ip_cksum_add(&ip->ip_src, 8, sum); // source and destination
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sum += htons(ip->ip_p + tcplen);
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return ip_cksum_carry(sum);
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}
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uint16_t
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cksum(const TcpPtr &tcp)
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{ return __tu_cksum(IpPtr(tcp.packet())); }
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uint16_t
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cksum(const UdpPtr &udp)
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{ return __tu_cksum(IpPtr(udp.packet())); }
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bool
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IpHdr::options(vector<const IpOpt *> &vec) const
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{
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vec.clear();
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const uint8_t *data = bytes() + sizeof(struct ip_hdr);
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int all = hlen() - sizeof(struct ip_hdr);
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while (all > 0) {
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const IpOpt *opt = (const IpOpt *)data;
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int len = opt->len();
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if (all < len)
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return false;
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vec.push_back(opt);
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all -= len;
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data += len;
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}
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return true;
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}
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bool
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TcpHdr::options(vector<const TcpOpt *> &vec) const
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{
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vec.clear();
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const uint8_t *data = bytes() + sizeof(struct tcp_hdr);
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int all = off() - sizeof(struct tcp_hdr);
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while (all > 0) {
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const TcpOpt *opt = (const TcpOpt *)data;
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int len = opt->len();
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if (all < len)
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return false;
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vec.push_back(opt);
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all -= len;
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data += len;
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}
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return true;
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}
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bool
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TcpOpt::sack(vector<SackRange> &vec) const
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{
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vec.clear();
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const uint8_t *data = bytes() + sizeof(struct tcp_hdr);
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int all = len() - offsetof(tcp_opt, opt_data.sack);
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while (all > 0) {
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const uint16_t *sack = (const uint16_t *)data;
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int len = sizeof(uint16_t) * 2;
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if (all < len) {
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vec.clear();
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return false;
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}
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vec.push_back(RangeIn(ntohs(sack[0]), ntohs(sack[1])));
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all -= len;
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data += len;
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}
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return false;
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}
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/* namespace Net */ }
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