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+# BSD LICENSE
+#
+# Copyright(c) <2019> 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.
+"""
+
+import re
+from test_case import TestCase
+from pmd_output import PmdOutput
+DEFAULT_MTU = 1500
+TSO_MTU = 9000
+
+class TestVirtioSmoke(TestCase):
+
+
+ def set_up_all(self):
+ """
+ Run at the start of each test suite.
+ """
+ self.dst_mac = "00:01:02:03:04:05"
+ self.dut_ports = self.dut.get_ports()
+ self.txItf = self.tester.get_interface(self.tester.get_local_port(self.dut_ports[0]))
+ self.socket = self.dut.get_numa_id(self.dut_ports[0])
+ self.cores = self.dut.get_core_list("all", socket=self.socket)
+ self.vhost_cores = self.cores[0:3]
+ self.virtio1_cores = self.cores[3:6]
+ self.base_dir = self.dut.base_dir.replace('~', '/root')
+ self.vhost_user = self.dut.new_session(suite="vhost-user")
+ self.virtio_user1 = self.dut.new_session(suite="virtio-user1")
+ self.pmdout_vhost_user = PmdOutput(self.dut, self.vhost_user)
+ self.pmdout_virtio_user1 = PmdOutput(self.dut, self.virtio_user1)
+
+ def set_up(self):
+ """
+ Run before each test case.
+ """
+ self.dut.send_expect("rm -rf %s/vhost-net*" % self.base_dir, "#")
+
+ @property
+ def check_2M_env(self):
+ out = self.dut.send_expect("cat /proc/meminfo |grep Hugepagesize|awk '{print($2)}'", "# ")
+ return True if out == '2048' else False
+
+ def launch_testpmd_as_vhost_user(self, param, cores="Default", udev="", ports=[], no_pci=True):
+ self.pmdout_vhost_user.start_testpmd(cores=cores, param=param, vdevs=[udev], ports=ports, prefix="vhost",
+ fixed_prefix=True, no_pci=no_pci)
+ self.pmdout_vhost_user.execute_cmd('set fwd mac')
+
+ def launch_testpmd_as_virtio_user1(self, param, cores="Default", udev="", no_pci=True):
+ eal_param = ""
+ if self.check_2M_env:
+ eal_param += " --single-file-segments"
+ if 'vectorized' in self.running_case:
+ eal_param += " --force-max-simd-bitwidth=512"
+ self.pmdout_virtio_user1.start_testpmd(cores=cores, param=param, vdevs=[udev], ports=[], prefix="virtio1",
+ fixed_prefix=True, eal_param=eal_param, no_pci=no_pci)
+
+ def verify_vhost_queue_rx_tx_pkts(self, queue_list):
+ out = self.pmdout_vhost_user.execute_cmd('stop')
+ for queue_index in queue_list:
+ queue = "Queue= %d" % queue_index
+ index = out.find(queue)
+ rx = re.search("RX-packets:\s*(\d*)", out[index:])
+ tx = re.search("TX-packets:\s*(\d*)", out[index:])
+ rx_packets = int(rx.group(1))
+ tx_packets = int(tx.group(1))
+ self.verify(rx_packets > 0 and tx_packets > 0,
+ "The queue %d rx-packets or tx-packets is 0 about " % queue_index +
+ "rx-packets:%d, tx-packets:%d" % (rx_packets, tx_packets))
+
+ def test_virtio_loopback(self):
+ param = " --nb-cores={} --rxq={} --txq={}"
+ other_param = " --tx-offloads=0x0 --enable-hw-vlan-strip --rss-ip"
+ vhost_dev = f"'eth_vhost0,iface=vhost-net,client=1,queues=8'"
+ virtio_dev = f"'net_virtio_user0,mac={self.dst_mac},path=./vhost-net,server=1,queues=8,mrg_rxbuf=1,in_order=1'"
+
+ self.logger.info("Launch vhost as client mode with 2 queues")
+ nb_core = 2
+ vhost_rxq_txq = 2
+ virtio_rxq_txq = 8
+ vhost_param = param.format(nb_core, vhost_rxq_txq, vhost_rxq_txq)
+ virtio_param = (other_param + param).format(nb_core, virtio_rxq_txq, virtio_rxq_txq)
+ self.launch_testpmd_as_vhost_user(param=vhost_param, cores=self.vhost_cores, udev=vhost_dev, no_pci=True)
+ self.pmdout_vhost_user.execute_cmd('start')
+ self.logger.info("Launch virtio-user as server mode with 8 queues")
+ self.launch_testpmd_as_virtio_user1(param=virtio_param, cores=self.virtio1_cores, udev=virtio_dev, no_pci=True)
+ self.pmdout_virtio_user1.execute_cmd('set fwd mac')
+ self.pmdout_virtio_user1.execute_cmd('start tx_first 32')
+ self.verify_vhost_queue_rx_tx_pkts(queue_list=range(vhost_rxq_txq))
+ self.pmdout_vhost_user.execute_cmd('quit', '#')
+
+ self.logger.info("Relaunch vhost with 8 queues and send packets")
+ vhost_rxq_txq = 8
+ vhost_param = param.format(nb_core, vhost_rxq_txq, vhost_rxq_txq)
+ self.launch_testpmd_as_vhost_user(param=vhost_param, cores=self.cores[0:3], udev=vhost_dev, no_pci=True)
+ self.pmdout_vhost_user.execute_cmd('start tx_first 32')
+ self.pmdout_vhost_user.execute_cmd('stop')
+ self.pmdout_vhost_user.execute_cmd('set burst 1')
+ self.pmdout_vhost_user.execute_cmd('start tx_first 1')
+ self.verify_vhost_queue_rx_tx_pkts(queue_list=range(vhost_rxq_txq))
+
+ self.pmdout_virtio_user1.execute_cmd('quit', '#')
+ self.pmdout_vhost_user.execute_cmd('quit', '#')
+
+ def send_packets(self, frame_size, pkt_count):
+ pkt = "Ether(dst='%s')/IP()/('x'*%d)" %(self.dst_mac, frame_size)
+ self.tester.scapy_append('sendp([%s], iface="%s", count=%s)' % (pkt, self.txItf, pkt_count))
+ self.tester.scapy_execute()
+
+ def verify_virtio_user_receive_packets(self, pkt_count):
+ out = self.pmdout_virtio_user1.execute_cmd('show port stats all')
+ rx = re.search("RX-packets:\s*(\d*)", out)
+ tx = re.search("TX-packets:\s*(\d*)", out)
+ rx_packets = int(rx.group(1))
+ tx_packets = int(tx.group(1))
+ self.verify(rx_packets >= pkt_count and tx_packets >= pkt_count,
+ "Virtio-user receive no enough packets, RX-packets: {},RX-packets: {}".format(rx_packets, tx_packets))
+
+ def test_virtio_pvp(self):
+ param = " --nb-cores={} --txd={} --rxd={}"
+ vhost_dev = f"'net_vhost0,iface=vhost-net,queues=1'"
+ virtio_dev = f"'net_virtio_user0,mac={self.dst_mac},path=./vhost-net,packed_vq=1,mrg_rxbuf=0,in_order=1," \
+ f"vectorized=1,queue_size=1024'"
+ self.logger.info("Launch vhost")
+ nb_core = 2
+ vhost_rxd_txd = 1024
+ vhost_param = param.format(nb_core, vhost_rxd_txd, vhost_rxd_txd)
+ port = self.dut.ports_info[self.dut_ports[0]]['pci']
+ self.launch_testpmd_as_vhost_user(param=vhost_param, cores=self.vhost_cores, udev=vhost_dev,
+ ports=[port], no_pci=False)
+ self.pmdout_vhost_user.execute_cmd('start')
+
+ self.logger.info("Launch virtio")
+ nb_core = 1
+ virtio_param = param.format(nb_core, vhost_rxd_txd, vhost_rxd_txd)
+ self.launch_testpmd_as_virtio_user1(param=virtio_param, cores=self.virtio1_cores, udev=virtio_dev, no_pci=True)
+ self.pmdout_virtio_user1.execute_cmd('set fwd mac')
+ self.pmdout_virtio_user1.execute_cmd('start')
+
+ self.logger.info("Start send packets and verify")
+ # set tester port MTU=9000 when nedd to send big packets.
+ self.tester.send_expect("ifconfig %s mtu %s" % (self.txItf, TSO_MTU), "# ")
+ # set vhost testpmd port MTU=9000
+ self.pmdout_vhost_user.execute_cmd('stop')
+ self.pmdout_vhost_user.execute_cmd('port stop 0')
+ self.pmdout_vhost_user.execute_cmd('port config mtu 0 %s' % TSO_MTU)
+ self.pmdout_vhost_user.execute_cmd('port start 0')
+ self.pmdout_vhost_user.execute_cmd('start')
+ self.send_packets(frame_size=64, pkt_count=10)
+ self.send_packets(frame_size=1518, pkt_count=10)
+ self.verify_virtio_user_receive_packets(pkt_count=20)
+
+ self.pmdout_virtio_user1.execute_cmd('quit', '#')
+ self.pmdout_vhost_user.execute_cmd('quit', '#')
+
+ def tear_down(self):
+ """
+ Run after each test case.
+ """
+ pass
+
+ def tear_down_all(self):
+ """
+ Run after each test suite.
+ """
+ self.dut.close_session(self.vhost_user)
+ self.dut.close_session(self.virtio_user1)
+ self.tester.send_expect("ifconfig %s mtu %s" % (self.txItf, DEFAULT_MTU), "# ")