[dts] [PATCH V1] Add testsuite vm2vm virtio pmd

[lihong <lihongx.ma@intel.com>]

Signed-off-by: lihong <lihongx.ma@intel.com>
---
 tests/TestSuite_vm2vm_virtio_pmd.py | 239 ++++++++++++++++++++++++++++++++++++
 1 file changed, 239 insertions(+)
 create mode 100644 tests/TestSuite_vm2vm_virtio_pmd.py

diff --git a/tests/TestSuite_vm2vm_virtio_pmd.py b/tests/TestSuite_vm2vm_virtio_pmd.py
new file mode 100644
index 0000000..9a62ac8
--- /dev/null
+++ b/tests/TestSuite_vm2vm_virtio_pmd.py
@@ -0,0 +1,239 @@
+# BSD LICENSE
+#
+# Copyright(c) <2019> Intel Corporation.
+# 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.
+
+Test cases for Vhost-user/Virtio-pmd VM2VM
+"""
+import re
+import time
+import utils
+from virt_common import VM
+from test_case import TestCase
+
+
+class TestVM2VMVirtioPMD(TestCase):
+    def set_up_all(self):
+        self.core_config = "1S/4C/1T"
+        self.cores_num = len([n for n in self.dut.cores if int(n['socket'])
+                            == 0])
+        self.verify(self.cores_num >= 4,
+                    "There has not enough cores to test this suite %s" %
+                    self.suite_name)
+        self.cores = self.dut.get_core_list(self.core_config)
+        self.coremask = utils.create_mask(self.cores)
+        self.memory_channel = self.dut.get_memory_channels()
+        self.vm_num = 2
+
+    def set_up(self):
+        """
+        run before each test case.
+        """
+        self.table_header = ["FrameSize(B)", "Mode",
+                            "Throughput(Mpps)", "Path"]
+        self.result_table_create(self.table_header)
+        self.dut.send_expect("killall -s INT testpmd", "#")
+        self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
+        self.dut.send_expect("rm -rf ./vhost-net*", "#")
+        self.vhost = self.dut.new_session(suite="vhost")
+        self.vm_dut = []
+        self.vm = []
+
+    def start_vhost_testpmd(self):
+        """
+        launch the testpmd on vhost side
+        """
+        self.command_line = self.dut.target + "/app/testpmd -c %s -n %d " + \
+            "--socket-mem 2048,2048 --legacy-mem --no-pci --file-prefix=vhost " + \
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=1' " + \
+            "--vdev 'net_vhost1,iface=vhost-net1,queues=1' " + \
+            "-- -i --nb-cores=1 --txd=1024 --rxd=1024"
+
+        self.command_line = self.command_line % (
+                            self.coremask, self.memory_channel)
+        self.vhost.send_expect(self.command_line, "testpmd> ", 30)
+        self.vhost.send_expect("set fwd mac", "testpmd> ", 30)
+        self.vhost.send_expect("start", "testpmd> ", 30)
+
+    def start_vm_testpmd(self, vm_client, path_mode):
+        """
+        launch the testpmd in vm
+        """
+        if path_mode == "mergeable":
+            command = self.dut.target + "/app/testpmd " + \
+                        "-c 0x3 -n 4 -- -i --tx-offloads=0x00 " + \
+                        "--enable-hw-vlan-strip --txd=1024 --rxd=1024"
+        elif path_mode == "normal":
+            command = self.dut.target + "/app/testpmd " + \
+                        "-c 0x3 -n 4 -- -i --tx-offloads=0x00 " + \
+                        "--enable-hw-vlan-strip --txd=1024 --rxd=1024"
+        elif path_mode == "vector_rx":
+            command = self.dut.target + "/app/testpmd " + \
+                        "-c 0x3 -n 4 -- -i --txd=1024 --rxd=1024"
+        vm_client.send_expect(command, "testpmd> ", 20)
+
+    def start_vms(self, mode=0, mergeable=True):
+        """
+        start two VM, each VM has one virtio device
+        """
+        # for virtio 0.95, start vm with "disable-modern=true"
+        # for virito 1.0, start vm with "disable-modern=false"
+        if mode == 0:
+            setting_args = "disable-modern=true"
+        else:
+            setting_args = "disable-modern=false"
+        if mergeable is True:
+            setting_args += "," + "mrg_rxbuf=on"
+        else:
+            setting_args += "," + "mrg_rxbuf=off"
+        setting_args += ",csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on"
+
+        for i in range(self.vm_num):
+            vm_dut = None
+            vm_info = VM(self.dut, 'vm%d' % i, 'vhost_sample')
+            vm_params = {}
+            vm_params['driver'] = 'vhost-user'
+            vm_params['opt_path'] = './vhost-net%d' % i
+            vm_params['opt_mac'] = "52:54:00:00:00:0%d" % (i+1)
+            vm_params['opt_settings'] = setting_args
+            vm_info.set_vm_device(**vm_params)
+            time.sleep(3)
+            try:
+                vm_dut = vm_info.start()
+                if vm_dut is None:
+                    raise Exception("Set up VM ENV failed")
+            except Exception as e:
+                print utils.RED("Failure for %s" % str(e))
+
+            self.vm_dut.append(vm_dut)
+            self.vm.append(vm_info)
+
+    def calculate_avg_throughput(self):
+        results = 0.0
+        for i in range(10):
+            out = self.vhost.send_expect("show port stats 0", "testpmd> ", 60)
+            time.sleep(5)
+            lines = re.search("Tx-pps:\s*(\d*)", out)
+            result = lines.group(1)
+            results += float(result)
+        Mpps = results / (1000000 * 10)
+        self.verify(Mpps > 0, "%s can not receive packets" % self.running_case)
+        return Mpps
+
+    def update_table_info(self, case_info, frame_size, Mpps, path):
+        results_row = [frame_size]
+        results_row.append(case_info)
+        results_row.append(Mpps)
+        results_row.append(path)
+        self.result_table_add(results_row)
+
+    def send_and_verify(self, mode, path):
+        """
+        start to send packets and verify it
+        """
+        # start to send packets
+        self.vm_dut[0].send_expect("set fwd rxonly", "testpmd> ", 10)
+        self.vm_dut[0].send_expect("start", "testpmd> ", 10)
+        self.vm_dut[1].send_expect("set fwd txonly", "testpmd> ", 10)
+        self.vm_dut[1].send_expect("set txpkts 64", "testpmd> ", 10)
+        self.vm_dut[1].send_expect("start tx_first 32", "testpmd> ", 10)
+        Mpps = self.calculate_avg_throughput()
+        self.update_table_info(mode, 64, Mpps, path)
+        self.result_table_print()
+
+    def stop_all_apps(self):
+        for i in range(len(self.vm)):
+            self.vm_dut[i].send_expect("quit", "#", 20)
+            self.vm[i].stop()
+        self.vhost.send_expect("quit", "#", 30)
+
+    def test_vhost_vm2vm_virito_pmd_with_mergeable_path(self):
+        """
+        vhost-user + virtio-pmd with mergeable path
+        """
+        path_mode = "mergeable"
+        self.start_vhost_testpmd()
+        self.start_vms(mode=0, mergeable=True)
+        self.start_vm_testpmd(self.vm_dut[0], path_mode)
+        self.start_vm_testpmd(self.vm_dut[1], path_mode)
+        self.send_and_verify(mode="virtio 0.95", path=path_mode)
+        self.stop_all_apps()
+
+    def test_vhost_vm2vm_virtio_pmd_with_normal_path(self):
+        """
+        vhost-user + virtio-pmd with normal path
+        """
+        path_mode = "normal"
+        self.start_vhost_testpmd()
+        self.start_vms(mode=0, mergeable=False)
+        self.start_vm_testpmd(self.vm_dut[0], path_mode)
+        self.start_vm_testpmd(self.vm_dut[1], path_mode)
+        self.send_and_verify(mode="virtio 0.95", path=path_mode)
+        self.stop_all_apps()
+
+    def test_vhost_vm2vm_virtio_pmd_with_vector_rx_path(self):
+        """
+        vhost-user + virtio-pmd with vector_rx path
+        """
+        path_mode = "vector_rx"
+        self.start_vhost_testpmd()
+        self.start_vms(mode=0, mergeable=False)
+        self.start_vm_testpmd(self.vm_dut[0], path_mode)
+        self.start_vm_testpmd(self.vm_dut[1], path_mode)
+        self.send_and_verify(mode="virtio 0.95", path=path_mode)
+        self.stop_all_apps()
+
+    def test_vhost_vm2vm_virito_10_pmd_with_mergeable_path(self):
+        """
+        vhost-user + virtio1.0-pmd with mergeable path
+        """
+        path_mode = "mergeable"
+        self.start_vhost_testpmd()
+        self.start_vms(mode=1, mergeable=True)
+        self.start_vm_testpmd(self.vm_dut[0], path_mode)
+        self.start_vm_testpmd(self.vm_dut[1], path_mode)
+        self.send_and_verify(mode="virtio 1.0", path=path_mode)
+        self.stop_all_apps()
+
+    def tear_down(self):
+        #
+        # Run after each test case.
+        #
+        self.dut.send_expect("killall -s INT testpmd", "#")
+        self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
+        time.sleep(2)
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        pass
-- 
2.7.4