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# BSD LICENSE
#
# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
# 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 Intel Corporation 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.
"""
DPDK Test suite.
Layer-3 forwarding exact-match test script.
"""
import dts
import string
import re
from test_case import TestCase
from exception import VerifyFailure
from settings import HEADER_SIZE
from etgen import IxiaPacketGenerator
from utils import *
class TestL3fwdEM(TestCase,IxiaPacketGenerator):
path = "./examples/l3fwd/build/"
test_cases_2_ports = {"1S/1C/1T": "%s -c %s -n %d -- -p %s -E --config '(P0,0,C{1.1.0}), (P1,0,C{1.1.0})' --hash-entry-num 0x400000",
"1S/2C/1T": "%s -c %s -n %d -- -p %s -E --config '(P0,0,C{1.1.0}), (P1,0,C{1.2.0})' --hash-entry-num 0x400000",
"1S/4C/1T": "%s -c %s -n %d -- -p %s -E --config '(P0,0,C{1.1.0}), (P1,0,C{1.2.0}),(P0,1,C{1.3.0}), (P1,1,C{1.4.0})' --hash-entry-num 0x400000"
}
frame_sizes = [64, 65, 128, 256, 512, 1518] # 65, 128
methods = ['exact']
#
#
# Utility methods and other non-test code.
#
# Insert or move non-test functions here.
def portRepl(self, match):
"""
Function to replace P([0123]) pattern in tables
"""
portid = match.group(1)
self.verify(int(portid) in range(4), "invalid port id")
if int(portid) >= len(valports):
return '0'
else:
return '%s' % valports[int(portid)]
#
#
#
# Test cases.
#
def set_up_all(self):
"""
Run at the start of each test suite.
L3fwd Prerequisites
"""
# Based on h/w type, choose how many ports to use
ports = self.dut.get_ports(socket=1)
if not ports:
ports = self.dut.get_ports(socket=0)
self.tester.extend_external_packet_generator(TestL3fwdEM, self)
# Verify that enough ports are available
self.verify(len(ports) >= 2, "Insufficient ports for speed testing")
netdev = self.dut.ports_info[ports[0]]['port']
self.port_socket = netdev.socket
# Verify that enough threads are available
cores = self.dut.get_core_list("1S/8C/2T")
self.verify(cores is not None, "Insufficient cores for speed testing")
global valports
valports = [_ for _ in ports if self.tester.get_local_port(_) != -1]
self.verify(len(valports) >= 2, "Insufficient active ports for speed testing")
pat = re.compile("P([0123])")
# Update config file and rebuild to get best perf on FVL
self.dut.send_expect("sed -i -e 's/CONFIG_RTE_PCI_CONFIG=n/CONFIG_RTE_PCI_CONFIG=y/' ./config/common_linuxapp", "#", 20)
self.dut.send_expect("sed -i -e 's/CONFIG_RTE_PCI_EXTENDED_TAG=.*$/CONFIG_RTE_PCI_EXTENDED_TAG=\"on\"/' ./config/common_linuxapp", "#", 20)
self.dut.build_install_dpdk(self.target)
out = self.dut.build_dpdk_apps("./examples/l3fwd")
self.verify("Error" not in out, "compilation error 1")
self.verify("No such file" not in out, "compilation error 2")
self.l3fwd_test_results = {'header': [],
'data': []}
def repl(self, match):
pid = match.group(1)
qid = match.group(2)
self.logger.debug("%s\n" % match.group(3))
lcid = self.dut.get_lcore_id(match.group(3))
self.logger.debug("%s\n" % lcid)
global corelist
corelist.append(int(lcid))
self.verify(int(pid) in range(4), "invalid port id")
self.verify(lcid, "invalid thread id")
return '%s,%s,%s' % (str(valports[int(pid)]), qid, lcid)
def set_up(self):
"""
Run before each test case.
"""
pass
def test_perf_l3fwd_2ports(self):
"""
L3fwd main 2 ports.
"""
header_row = ["Frame", "mode", "S/C/T", "Mpps", "% linerate"]
self.l3fwd_test_results['header'] = header_row
dts.results_table_add_header(header_row)
self.l3fwd_test_results['data'] = []
for frame_size in TestL3fwdEM.frame_sizes:
# Prepare traffic flow
payload_size = frame_size - \
HEADER_SIZE['ip'] - HEADER_SIZE['eth'] - HEADER_SIZE['tcp']
# Traffic for port0
dmac_port0 = self.dut.get_mac_address(valports[0])
flow1 = '[Ether(dst="%s")/IP(src="200.20.0.1",dst="201.0.0.0")/TCP(sport=12,dport=102)/("X"*%d)]' %(dmac_port0,payload_size)
self.tester.scapy_append('wrpcap("dst0.pcap",%s)' %flow1)
# Traffic for port1
dmac_port1 = self.dut.get_mac_address(valports[1])
flow2 = '[Ether(dst="%s")/IP(src="100.10.0.1",dst="101.0.0.0")/TCP(sport=11,dport=101)/("X"*%d)]' %(dmac_port1,payload_size)
self.tester.scapy_append('wrpcap("dst1.pcap",%s)' %flow2)
self.tester.scapy_execute()
# Prepare the command line
global corelist
pat = re.compile("P([0123]),([0123]),(C\{\d.\d.\d\})")
pat2 = re.compile("C\{\d")
repl1 = "C{" + str(self.port_socket)
coreMask = {}
rtCmdLines = dict(TestL3fwdEM.test_cases_2_ports)
for key in rtCmdLines.keys():
corelist = []
while pat.search(rtCmdLines[key]):
# Change the socket to the NIC's socket
if key.find('1S')>=0:
rtCmdLines[key] = pat2.sub(repl1, rtCmdLines[key])
rtCmdLines[key] = pat.sub(self.repl, rtCmdLines[key])
self.logger.info("%s\n" % str(corelist))
coreMask[key] = dts.create_mask(set(corelist))
# measure by two different mode
for mode in TestL3fwdEM.methods:
# start l3fwd
index = 0
subtitle = []
for cores in rtCmdLines.keys():
info = "Executing l3fwd using %s mode, 2 ports, %s and %d frame size.\n" % (
mode, cores, frame_size)
self.logger.info(info)
dts.report(info, annex=True)
subtitle.append(cores)
cmdline = rtCmdLines[cores] % (TestL3fwdEM.path + "l3fwd", coreMask[cores],
self.dut.get_memory_channels(), dts.create_mask(valports[:2]))
dts.report(cmdline + "\n", frame=True, annex=True)
out = self.dut.send_expect(cmdline, "L3FWD: entering main loop", 120)
print self.dut.get_session_output(timeout=3)
# Measure test
tgenInput = []
for rxPort in range(2):
# No use on rx/tx limitation
if rxPort % 2 == 0:
txIntf = self.tester.get_local_port(valports[rxPort + 1])
else:
txIntf = self.tester.get_local_port(valports[rxPort - 1])
rxIntf = self.tester.get_local_port(valports[rxPort])
if rxPort % 2 == 0:
tgenInput.append((txIntf, rxIntf, "dst%d.pcap" %valports[rxPort+1]))
else:
tgenInput.append((txIntf, rxIntf, "dst%d.pcap" %valports[rxPort-1]))
_, pps = self.tester.traffic_generator_throughput(tgenInput,delay=20)
self.verify(pps > 0, "No traffic detected")
pps /= 1000000.0
linerate = self.wirespeed(self.nic, frame_size, 2)
pct = pps * 100 / linerate
index += 1
# Stop l3fwd
self.dut.send_expect("^C", "#")
data_row = [frame_size, mode, cores, str(pps), str(pct)]
dts.results_table_add_row(data_row)
self.l3fwd_test_results['data'].append(data_row)
dts.results_table_print()
def ip(self, port, frag, src, proto, tos, dst, chksum, len, options, version, flags, ihl, ttl, id):
self.add_tcl_cmd("protocol config -name ip")
self.add_tcl_cmd("ip config -ipProtocol ipV4ProtocolTcp")
self.add_tcl_cmd('ip config -sourceIpAddr "%s"' % src)
self.add_tcl_cmd("ip config -sourceIpAddrMode ipIdle")
self.add_tcl_cmd('ip config -destIpAddr "%s"' % dst)
self.add_tcl_cmd("ip config -destIpAddrMode ipContIncrHost")
self.add_tcl_cmd("ip config -destIpMask '255.240.0.0'")
self.add_tcl_cmd("ip config -ttl %d" % ttl)
self.add_tcl_cmd("ip config -totalLength %d" % len)
self.add_tcl_cmd("ip config -fragment %d" % frag)
self.add_tcl_cmd("ip config -identifier %d" % id)
self.add_tcl_cmd("stream config -framesize %d" % (len + 18))
self.add_tcl_cmd("ip set %d %d %d" % (self.chasId, port['card'], port['port']))
def tear_down(self):
"""
Run after each test case.
"""
pass
def tear_down_all(self):
"""
Run after each test suite.
"""
pass
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