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* [dts][PATCH V1 3/3] tests/vswitch_sample_dsa: add new testsuite
@ 2023-03-21  2:35 Wei Ling
  0 siblings, 0 replies; only message in thread
From: Wei Ling @ 2023-03-21  2:35 UTC (permalink / raw)
  To: dts; +Cc: Wei Ling

Add vswitch_sample_dsa testsuite to test dpdk-vhost APP with host DMA 
operation callbacks for DSA PMD and vhost async data-path.

Signed-off-by: Wei Ling <weix.ling@intel.com>
---
 tests/TestSuite_vswitch_sample_dsa.py | 1037 +++++++++++++++++++++++++
 1 file changed, 1037 insertions(+)
 create mode 100644 tests/TestSuite_vswitch_sample_dsa.py

diff --git a/tests/TestSuite_vswitch_sample_dsa.py b/tests/TestSuite_vswitch_sample_dsa.py
new file mode 100644
index 00000000..128c761e
--- /dev/null
+++ b/tests/TestSuite_vswitch_sample_dsa.py
@@ -0,0 +1,1037 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2023 Intel Corporation
+#
+
+"""
+DPDK Test suite.
+"""
+
+import random
+import re
+import string
+import time
+
+import framework.utils as utils
+from framework.pmd_output import PmdOutput
+from framework.test_case import TestCase
+from framework.virt_common import VM
+
+from .virtio_common import dsa_common as DC
+
+
+class TestVswitchSampleDSA(TestCase):
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+        """
+        out = self.dut.build_dpdk_apps("./examples/vhost")
+        self.verify("Error" not in out, "compilation vhost error")
+        self.vhost_path = self.dut.apps_name["vhost"]
+        self.tester_tx_port_num = 1
+        self.dut_ports = self.dut.get_ports()
+        self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
+        self.cores = self.dut.get_core_list("all", socket=self.ports_socket)
+        self.vhost_core_list = self.cores[0:2]
+        self.vhost_core_range = "%s-%s" % (
+            self.vhost_core_list[0],
+            self.vhost_core_list[-1],
+        )
+        self.vuser0_core_list = self.cores[2:4]
+        self.vuser1_core_list = self.cores[4:6]
+        self.mem_channels = self.dut.get_memory_channels()
+        self.out_path = "/tmp"
+        out = self.tester.send_expect("ls -d %s" % self.out_path, "# ")
+        if "No such file or directory" in out:
+            self.tester.send_expect("mkdir -p %s" % self.out_path, "# ")
+        self.base_dir = self.dut.base_dir.replace("~", "/root")
+        self.virtio_dst_mac0 = "00:11:22:33:44:10"
+        self.virtio_dst_mac1 = "00:11:22:33:44:11"
+        self.vm_dst_mac0 = "52:54:00:00:00:01"
+        self.vm_dst_mac1 = "52:54:00:00:00:02"
+        self.vm_num = 2
+        # create an instance to set stream field setting
+        self.vhost_user = self.dut.new_session(suite="vhost-user")
+        self.virtio_user0 = self.dut.new_session(suite="virtio-user0")
+        self.virtio_user1 = self.dut.new_session(suite="virtio-user1")
+        self.virtio_user0_pmd = PmdOutput(self.dut, self.virtio_user0)
+        self.virtio_user1_pmd = PmdOutput(self.dut, self.virtio_user1)
+        self.random_string = string.ascii_letters + string.digits
+        self.virtio_ip0 = "1.1.1.2"
+        self.virtio_ip1 = "1.1.1.3"
+        self.rerun_times = 5
+        self.DC = DC(self)
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        self.table_header = ["Frame Size(Byte)", "Mode", "Throughput(Mpps)"]
+        self.result_table_create(self.table_header)
+        self.dut.send_expect("rm -rf %s/vhost-net*" % self.base_dir, "#")
+        self.dut.send_expect("killall -I dpdk-vhost", "#", 20)
+        self.dut.send_expect("killall -I qemu-system-x86_64", "#", 20)
+        self.vm_dut = []
+        self.vm = []
+        self.DC.reset_all_work_queue()
+        self.DC.bind_all_dsa_to_kernel()
+
+    @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_vhost_app(
+        self, eal_params, vdev_num, dmas, mergeable=True, tso=False, client_mode=True
+    ):
+        """
+        launch the vhost app on vhost side
+        """
+        vdev_param = ""
+        for i in range(vdev_num):
+            vdev_param += "--socket-file ./vhost-net{} ".format(i)
+        mergeable_param = "--mergeable 1" if mergeable else ""
+        tso_param = "--tso 1" if tso else ""
+        client_param = "--client" if client_mode else ""
+        cmd = (
+            "%s %s -- -p 0x1 %s %s --vm2vm 1  --stats 1 \
+        %s --dmas [%s] \
+        %s --total-num-mbufs 600000"
+            % (
+                self.vhost_path,
+                eal_params,
+                tso_param,
+                mergeable_param,
+                vdev_param,
+                dmas,
+                client_param,
+            )
+        )
+        self.vhost_user.send_command(cmd)
+        time.sleep(3)
+
+    def start_virtio_testpmd_with_vhost_net0(self, eal_param="", param=""):
+        """
+        launch the testpmd as virtio with vhost_net0
+        """
+        if self.check_2M_env:
+            eal_param += " --single-file-segments"
+        self.virtio_user0_pmd.start_testpmd(
+            cores=self.vuser0_core_list,
+            eal_param=eal_param,
+            param=param,
+            no_pci=True,
+            prefix="virtio-user0",
+            fixed_prefix=True,
+        )
+
+    def start_virtio_testpmd_with_vhost_net1(self, eal_param="", param=""):
+        """
+        launch the testpmd as virtio with vhost_net1
+        """
+        if self.check_2M_env:
+            eal_param += " --single-file-segments"
+        self.virtio_user1_pmd.start_testpmd(
+            cores=self.vuser1_core_list,
+            eal_param=eal_param,
+            param=param,
+            no_pci=True,
+            prefix="virtio-user1",
+            fixed_prefix=True,
+        )
+
+    def start_vms(
+        self,
+        moderns=["true", "true"],
+        mrg_rxbuf=True,
+        server_mode=False,
+        set_target=True,
+        bind_dev=True,
+    ):
+        """
+        start two VM, each VM has one virtio device
+        """
+        mrg_rxbuf = "on" if mrg_rxbuf else "off"
+        for i in range(self.vm_num):
+            vm_dut = None
+            setting_format = "disable-modern=%s,mrg_rxbuf=%s,csum=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on"
+            setting_args = setting_format % (moderns[i], mrg_rxbuf)
+            vm_info = VM(self.dut, "vm%d" % i, "vhost_sample")
+            vm_params = {}
+            vm_params["driver"] = "vhost-user"
+            if server_mode:
+                vm_params["opt_path"] = "./vhost-net%d" % i + ",server"
+            else:
+                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(set_target=set_target, bind_dev=bind_dev)
+                if vm_dut is None:
+                    raise Exception("Set up VM ENV failed")
+            except Exception as e:
+                print((utils.RED("Failure for %s" % str(e))))
+                raise e
+            self.vm_dut.append(vm_dut)
+            self.vm.append(vm_info)
+
+    def start_vm_testpmd(self, pmd_session):
+        """
+        launch the testpmd in vm
+        """
+        self.vm_cores = [1, 2]
+        param = "--rxq=1 --txq=1 --nb-cores=1 --txd=1024 --rxd=1024"
+        pmd_session.start_testpmd(cores=self.vm_cores, param=param)
+
+    def repeat_bind_driver(self, dut, repeat_times=50):
+        i = 0
+        while i < repeat_times:
+            dut.unbind_interfaces_linux()
+            dut.bind_interfaces_linux(driver="virtio-pci")
+            dut.bind_interfaces_linux(driver="vfio-pci")
+            i += 1
+
+    def let_vswitch_know_mac(self, virtio_pmd, relaunch=False):
+        if not relaunch:
+            virtio_pmd.execute_cmd("set fwd mac")
+            virtio_pmd.execute_cmd("start tx_first")
+        else:
+            virtio_pmd.execute_cmd("stop")
+            virtio_pmd.execute_cmd("start tx_first")
+
+    def get_receive_throughput(self, pmd_session, count=10):
+        i = 0
+        while i < count:
+            pmd_session.execute_cmd("show port stats all")
+            i += 1
+        else:
+            out = pmd_session.execute_cmd("show port stats all")
+            pmd_session.execute_cmd("stop")
+            rx_throughput = re.compile("Rx-pps: \s+(.*?)\s+?").findall(out, re.S)
+        return float(rx_throughput[0]) / 1000000.0
+
+    def set_testpmd0_param(self, pmd_session, eth_peer_mac):
+        pmd_session.execute_cmd("set fwd mac")
+        pmd_session.execute_cmd("start tx_first")
+        pmd_session.execute_cmd("stop")
+        pmd_session.execute_cmd("set eth-peer 0 %s" % eth_peer_mac)
+        pmd_session.execute_cmd("start")
+
+    def set_testpmd1_param(self, pmd_session, eth_peer_mac):
+        pmd_session.execute_cmd("set fwd mac")
+        pmd_session.execute_cmd("set eth-peer 0 %s" % eth_peer_mac)
+
+    def send_pkts_from_testpmd1(self, pmd_session, pkt_len):
+        if pkt_len in [64, 2000]:
+            pmd_session.execute_cmd("set txpkts %s" % pkt_len)
+        elif pkt_len == 8000:
+            pmd_session.execute_cmd("set txpkts 2000,2000,2000,2000")
+        elif pkt_len == "imix":
+            pmd_session.execute_cmd("set txpkts 64,256,2000,64,256,2000")
+        pmd_session.execute_cmd("start tx_first")
+
+    def vm2vm_check_with_two_dsa(self):
+        frame_sizes = [64, 2000, 8000, "imix"]
+        self.set_testpmd0_param(self.virtio_user0_pmd, self.virtio_dst_mac1)
+        self.set_testpmd1_param(self.virtio_user1_pmd, self.virtio_dst_mac0)
+
+        rx_throughput = {}
+        for frame_size in frame_sizes:
+            self.send_pkts_from_testpmd1(
+                pmd_session=self.virtio_user1_pmd, pkt_len=frame_size
+            )
+            rx_pps = self.get_receive_throughput(pmd_session=self.virtio_user1_pmd)
+            rx_throughput[frame_size] = rx_pps
+        return rx_throughput
+
+    def test_vm2vm_virtio_user_forwarding_test_using_dsa_dpdk_driver(self):
+        """
+        Test Case 1: VM2VM virtio-user forwarding test when vhost async operation using DSA dpdk driver
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=4"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd0@%s-q1,txd1@%s-q2,rxd1@%s-q3" % (
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+        )
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=1,server=1,mrg_rxbuf=1,in_order=0,packed_vq=1"
+        virtio0_param = "--rxq=1 --txq=1 --txd=1024 --rxd=1024 --nb-cores=1"
+        self.start_virtio_testpmd_with_vhost_net0(
+            eal_param=virtio0_eal_param, param=virtio0_param
+        )
+
+        virtio1_eal_param = "--vdev=net_virtio_user0,mac=00:11:22:33:44:11,path=./vhost-net1,queues=1,server=1,mrg_rxbuf=1,in_order=1,vectorized=1"
+        virtio1_param = "--rxq=1 --txq=1 --txd=1024 --rxd=1024 --nb-cores=1"
+        self.start_virtio_testpmd_with_vhost_net1(
+            eal_param=virtio1_eal_param, param=virtio1_param
+        )
+        before_relunch_result = self.vm2vm_check_with_two_dsa()
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@%s-q0,rxd1@%s-q1" % (self.used_dsa[0], self.used_dsa[0])
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+        self.virtio_user0_pmd.execute_cmd("stop")
+        after_relunch_result = self.vm2vm_check_with_two_dsa()
+
+        for key in before_relunch_result.keys():
+            perf_result.append(
+                [key, "Before Re-launch vhost", before_relunch_result[key]]
+            )
+        for key in after_relunch_result.keys():
+            perf_result.append(
+                [key, "After Re-launch vhost ", after_relunch_result[key]]
+            )
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def vm2vm_check_with_two_vhost_device(self):
+        rx_throughput = {}
+        self.frame_sizes = [64, 2000, 8000, "imix"]
+        for frame_size in self.frame_sizes:
+            self.send_pkts_from_testpmd1(pmd_session=self.vm1_pmd, pkt_len=frame_size)
+            rx_pps = self.get_receive_throughput(pmd_session=self.vm1_pmd)
+            rx_throughput[frame_size] = rx_pps
+        return rx_throughput
+
+    def start_vms_testpmd_and_test(
+        self, moderns=["true", "true"], mrg_rxbuf=True, need_start_vm=True, packed=False
+    ):
+        if need_start_vm:
+            self.start_vms(
+                moderns=moderns,
+                mrg_rxbuf=mrg_rxbuf,
+                server_mode=True,
+                set_target=True,
+                bind_dev=True,
+            )
+            self.vm0_pmd = PmdOutput(self.vm_dut[0])
+            self.vm1_pmd = PmdOutput(self.vm_dut[1])
+        self.start_vm_testpmd(self.vm0_pmd)
+        self.start_vm_testpmd(self.vm1_pmd)
+        self.set_testpmd0_param(self.vm0_pmd, self.vm_dst_mac1)
+        self.set_testpmd1_param(self.vm1_pmd, self.vm_dst_mac0)
+        perf_result = self.vm2vm_check_with_two_vhost_device()
+        self.vm0_pmd.quit()
+        self.vm1_pmd.quit()
+        return perf_result
+
+    def test_vm2vm_virtio_pmd_split_ring_test_with_dsa_dpdk_driver_register_and_unregister_stable_check(
+        self,
+    ):
+        """
+        Test Case 2: VM2VM virtio-pmd split ring test with DSA dpdk driver register/unregister stable check
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=4"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd0@%s-q1,txd1@%s-q2,rxd1@%s-q3" % (
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+        )
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_rebind = self.start_vms_testpmd_and_test(
+            moderns=["true", "false"], mrg_rxbuf=True, need_start_vm=True, packed=False
+        )
+
+        # repeat bind 50 time from virtio-pci to vfio-pci
+        self.repeat_bind_driver(dut=self.vm_dut[0], repeat_times=50)
+        self.repeat_bind_driver(dut=self.vm_dut[1], repeat_times=50)
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@%s-q0,rxd1@%s-q3" % (self.used_dsa[0], self.used_dsa[0])
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        after_rebind = self.start_vms_testpmd_and_test(need_start_vm=False)
+
+        for key in before_rebind.keys():
+            perf_result.append([key, "Before rebind driver", before_rebind[key]])
+
+        for key in after_rebind.keys():
+            perf_result.append([key, "After rebind driver", after_rebind[key]])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+        for i in perf_result:
+            self.verify(i[2] > 0, "%s Frame Size(Byte) is less than 0 Mpps" % i[0])
+
+    def test_vm2vm_virtio_pmd_packed_ring_test_with_dsa_dpdk_driver_register_and_unregister_stable_check(
+        self,
+    ):
+        """
+        Test Case 3: VM2VM virtio-pmd packed ring test with DSA dpdk driver register/unregister stable check
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=4"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd0@%s-q1,txd1@%s-q2,rxd1@%s-q3" % (
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+        )
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_rebind = self.start_vms_testpmd_and_test(
+            moderns=["false", "false"], mrg_rxbuf=True, need_start_vm=True, packed=True
+        )
+
+        # repeat bind 50 time from virtio-pci to vfio-pci
+        self.repeat_bind_driver(dut=self.vm_dut[0], repeat_times=50)
+        self.repeat_bind_driver(dut=self.vm_dut[1], repeat_times=50)
+
+        after_rebind = self.start_vms_testpmd_and_test(need_start_vm=False)
+
+        for key in before_rebind.keys():
+            perf_result.append([key, "Before rebind driver", before_rebind[key]])
+
+        for key in after_rebind.keys():
+            perf_result.append([key, "After rebind driver", after_rebind[key]])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+        for i in perf_result:
+            self.verify(i[2] > 0, "%s Frame Size(Byte) is less than 0 Mpps" % i[0])
+
+    def config_vm_env(self):
+        """
+        set virtio device IP and run arp protocal
+        """
+        vm0_intf = self.vm_dut[0].ports_info[0]["intf"]
+        vm1_intf = self.vm_dut[1].ports_info[0]["intf"]
+        self.vm_dut[0].send_expect(
+            "ifconfig %s %s" % (vm0_intf, self.virtio_ip0), "#", 10
+        )
+        self.vm_dut[1].send_expect(
+            "ifconfig %s %s" % (vm1_intf, self.virtio_ip1), "#", 10
+        )
+        self.vm_dut[0].send_expect(
+            "arp -s %s %s" % (self.virtio_ip1, self.vm_dst_mac1), "#", 10
+        )
+        self.vm_dut[1].send_expect(
+            "arp -s %s %s" % (self.virtio_ip0, self.vm_dst_mac0), "#", 10
+        )
+
+    def start_iperf_test(self):
+        """
+        run perf command between to vms
+        """
+        iperf_server = "iperf -f g -s -i 1"
+        iperf_client = "iperf -f g -c 1.1.1.2 -i 1 -t 60"
+        self.vm_dut[0].send_expect("%s > iperf_server.log &" % iperf_server, "", 10)
+        self.vm_dut[1].send_expect("%s > iperf_client.log &" % iperf_client, "", 60)
+        time.sleep(90)
+
+    def get_iperf_result(self):
+        """
+        get the iperf test result
+        """
+        self.vm_dut[0].send_expect("pkill iperf", "# ")
+        self.vm_dut[1].session.copy_file_from("%s/iperf_client.log" % self.dut.base_dir)
+        fp = open("./iperf_client.log")
+        fmsg = fp.read()
+        fp.close()
+        # remove the server report info from msg
+        index = fmsg.find("Server Report")
+        if index != -1:
+            fmsg = fmsg[:index]
+        iperfdata = re.compile("\S*\s*[M|G]bits/sec").findall(fmsg)
+        # the last data of iperf is the ave data from 0-30 sec
+        self.verify(len(iperfdata) != 0, "The iperf data between to vms is 0")
+        self.logger.info("The iperf data between vms is %s" % iperfdata[-1])
+        self.verify(
+            (iperfdata[-1].split()[1]) == "Gbits/sec"
+            and float(iperfdata[-1].split()[0]) >= 1,
+            "the throughput must be above 1Gbits/sec",
+        )
+        # rm the iperf log file in vm
+        self.vm_dut[0].send_expect("rm iperf_server.log", "#", 10)
+        self.vm_dut[1].send_expect("rm iperf_client.log", "#", 10)
+        return float(iperfdata[-1].split()[0])
+
+    def check_scp_file_valid_between_vms(self, file_size=1024):
+        """
+        scp file form VM1 to VM2, check the data is valid
+        """
+        # default file_size=1024K
+        data = ""
+        for _ in range(file_size * 1024):
+            data += random.choice(self.random_string)
+        self.vm_dut[0].send_expect('echo "%s" > /tmp/payload' % data, "# ")
+        # scp this file to vm1
+        out = self.vm_dut[1].send_command(
+            "scp root@%s:/tmp/payload /root" % self.virtio_ip0, timeout=5
+        )
+        if "Are you sure you want to continue connecting" in out:
+            self.vm_dut[1].send_command("yes", timeout=3)
+        self.vm_dut[1].send_command(self.vm[0].password, timeout=3)
+        # get the file info in vm1, and check it valid
+        md5_send = self.vm_dut[0].send_expect("md5sum /tmp/payload", "# ")
+        md5_revd = self.vm_dut[1].send_expect("md5sum /root/payload", "# ")
+        md5_send = md5_send[: md5_send.find(" ")]
+        md5_revd = md5_revd[: md5_revd.find(" ")]
+        self.verify(
+            md5_send == md5_revd, "the received file is different with send file"
+        )
+
+    def start_iperf_and_scp_test_in_vms(
+        self,
+        moderns=["true", "true"],
+        mrg_rxbuf=False,
+        need_start_vm=True,
+        packed=False,
+        server_mode=False,
+    ):
+        if need_start_vm:
+            self.start_vms(
+                moderns=moderns,
+                mrg_rxbuf=mrg_rxbuf,
+                server_mode=server_mode,
+                set_target=True,
+                bind_dev=False,
+            )
+            self.vm0_pmd = PmdOutput(self.vm_dut[0])
+            self.vm1_pmd = PmdOutput(self.vm_dut[1])
+            self.config_vm_env()
+        self.check_scp_file_valid_between_vms()
+        self.start_iperf_test()
+        iperfdata = self.get_iperf_result()
+        return iperfdata
+
+    def test_vm2vm_virtio_net_split_ring_test_with_dsa_dpdk_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 4: VM2VM virtio-net split ring test with DSA dpdk driver and iperf stable check
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=2"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd0@%s-q1,txd1@%s-q0,rxd1@%s-q1" % (
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+        )
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["true", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=False,
+            server_mode=True,
+        )
+        perf_result.append(["split ring", "Before relaunch test", before_relaunch])
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["split ring", "Before relaunch test", rerun_result])
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@%s-q0,rxd1@%s-q1" % (self.used_dsa[0], self.used_dsa[0])
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+
+        perf_result.append(["split ring", "After relaunch test", after_relaunch])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_net_packed_ring_test_with_dsa_dpdk_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 5: VM2VM virtio-net packed ring test with DSA dpdk driver and iperf stable check
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=2"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd0@%s-q1,txd1@%s-q0,rxd1@%s-q1" % (
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+            self.used_dsa[0],
+        )
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "Before relaunch test", before_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "Before relaunch test", rerun_result])
+
+        self.stop_vms()
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=True,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+
+        perf_result.append(["packed ring", "After relaunch test", after_relaunch])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_net_packed_ring_test_with_2_dsa_wq_with_dpdk_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 6: VM2VM virtio-net packed ring test with 2 DSA WQ with dpdk driver and iperf stable check
+        """
+        perf_result = []
+        self.used_dsa = self.DC.bind_dsa_to_dpdk(
+            dsa_number=1, driver_name="vfio-pci", socket=self.ports_socket
+        )
+        ports = self.used_dsa
+        ports.append(self.dut.ports_info[0]["pci"])
+        port_options = {self.used_dsa[0]: "max_queues=2"}
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports, port_options=port_options
+        )
+        dmas = "txd0@%s-q0,rxd1@%s-q1" % (self.used_dsa[0], self.used_dsa[0])
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "Before relaunch test", before_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "Before relaunch test", rerun_result])
+
+        self.stop_vms()
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=True,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "After relaunch test", after_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "After relaunch test", rerun_result])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_user_forwarding_test_using_dsa_kernel_driver(self):
+        """
+        Test Case 7: VM2VM virtio-user forwarding test when vhost async operation using DSA kernel driver
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=4, dsa_index=0)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd0@wq0.1,txd1@wq0.2,rxd1@wq0.3"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=1,server=1,mrg_rxbuf=1,in_order=0,packed_vq=1"
+        virtio0_param = "--rxq=1 --txq=1 --txd=1024 --rxd=1024 --nb-cores=1"
+        self.start_virtio_testpmd_with_vhost_net0(
+            eal_param=virtio0_eal_param, param=virtio0_param
+        )
+
+        virtio1_eal_param = "--vdev=net_virtio_user0,mac=00:11:22:33:44:11,path=./vhost-net1,queues=1,server=1,mrg_rxbuf=1,in_order=1,vectorized=1"
+        virtio1_param = "--rxq=1 --txq=1 --txd=1024 --rxd=1024 --nb-cores=1"
+        self.start_virtio_testpmd_with_vhost_net1(
+            eal_param=virtio1_eal_param, param=virtio1_param
+        )
+        before_relunch_result = self.vm2vm_check_with_two_dsa()
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@wq0.0,rxd1@wq0.1"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+        self.virtio_user0_pmd.execute_cmd("stop")
+        after_relunch_result = self.vm2vm_check_with_two_dsa()
+
+        for key in before_relunch_result.keys():
+            perf_result.append(
+                [key, "Before Re-launch vhost", before_relunch_result[key]]
+            )
+        for key in after_relunch_result.keys():
+            perf_result.append(
+                [key, "After Re-launch vhost ", after_relunch_result[key]]
+            )
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_pmd_split_ring_test_with_dsa_kernle_driver_register_and_unregister_stable_check(
+        self,
+    ):
+        """
+        Test Case 8: VM2VM virtio-pmd split ring test with DSA kernel driver register/unregister stable check
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=4, dsa_index=0)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd0@wq0.1,txd1@wq0.2,rxd1@wq0.3"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_rebind = self.start_vms_testpmd_and_test(
+            moderns=["false", "true"], mrg_rxbuf=True, need_start_vm=True, packed=False
+        )
+
+        # repeat bind 50 time from virtio-pci to vfio-pci
+        self.repeat_bind_driver(dut=self.vm_dut[0], repeat_times=50)
+        self.repeat_bind_driver(dut=self.vm_dut[1], repeat_times=50)
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@wq0.0,rxd1@wq0.3"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        after_rebind = self.start_vms_testpmd_and_test(need_start_vm=False)
+
+        for key in before_rebind.keys():
+            perf_result.append([key, "Before rebind driver", before_rebind[key]])
+
+        for key in after_rebind.keys():
+            perf_result.append([key, "After rebind driver", after_rebind[key]])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+        for i in perf_result:
+            self.verify(i[2] > 0, "%s Frame Size(Byte) is less than 0 Mpps" % i[0])
+
+    def test_vm2vm_virtio_pmd_packed_ring_test_with_dsa_kernel_driver_register_and_unregister_stable_check(
+        self,
+    ):
+        """
+        Test Case 9: VM2VM virtio-pmd packed ring test with DSA kernel driver register/unregister stable check
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=0)
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=1)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd0@wq0.1,txd1@wq1.0,rxd1@wq1.1"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_rebind = self.start_vms_testpmd_and_test(
+            moderns=["false", "false"], mrg_rxbuf=True, need_start_vm=True, packed=True
+        )
+
+        # repeat bind 50 time from virtio-pci to vfio-pci
+        self.repeat_bind_driver(dut=self.vm_dut[0], repeat_times=50)
+        self.repeat_bind_driver(dut=self.vm_dut[1], repeat_times=50)
+
+        after_rebind = self.start_vms_testpmd_and_test(need_start_vm=False)
+
+        for key in before_rebind.keys():
+            perf_result.append([key, "Before rebind driver", before_rebind[key]])
+
+        for key in after_rebind.keys():
+            perf_result.append([key, "After rebind driver", after_rebind[key]])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+        for i in perf_result:
+            self.verify(i[2] > 0, "%s Frame Size(Byte) is less than 0 Mpps" % i[0])
+
+    def test_vm2vm_virtio_net_split_ring_test_with_dsa_kernel_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 10: VM2VM virtio-net split ring test with DSA kernel driver and iperf stable check
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=0)
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=1)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd0@wq0.1,txd1@wq1.0,rxd1@wq1.1"
+        self.launch_vhost_app(
+            eal_params=eal_params,
+            vdev_num=2,
+            dmas=dmas,
+            mergeable=False,
+            tso=True,
+            client_mode=True,
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["true", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=False,
+            server_mode=True,
+        )
+        perf_result.append(["split ring", "Before relaunch test", before_relaunch])
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        self.launch_vhost_app(
+            eal_params=eal_params,
+            vdev_num=2,
+            dmas=dmas,
+            mergeable=False,
+            tso=True,
+            client_mode=True,
+        )
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["split ring", "Before relaunch test", rerun_result])
+
+        self.vhost_user.send_expect("^C", "# ", 20)
+        dmas = "txd0@wq0.0,rxd1@wq0.1"
+        self.launch_vhost_app(
+            eal_params=eal_params,
+            vdev_num=2,
+            dmas=dmas,
+            mergeable=False,
+            tso=True,
+            client_mode=True,
+        )
+
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["true", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=False,
+            packed=False,
+            server_mode=True,
+        )
+
+        perf_result.append(["split ring", "After relaunch test", after_relaunch])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_net_packed_ring_test_with_dsa_kernel_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 11: VM2VM virtio-net packed ring test with DSA kenrel driver and iperf stable check
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=0)
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=1)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd0@wq0.1,txd1@wq1.0,rxd1@wq1.1"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, tso=True, client_mode=True
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "Before relaunch test", before_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "Before relaunch test", rerun_result])
+
+        self.stop_vms()
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=True,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+
+        perf_result.append(["packed ring", "After relaunch test", after_relaunch])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def test_vm2vm_virtio_net_packed_ring_test_with_2_dsa_wq_with_kernel_driver_and_iperf_stable_check(
+        self,
+    ):
+        """
+        Test Case 12: VM2VM virtio-net packed ring test with 2 DSA WQ with kernel driver and iperf stable check
+        """
+        perf_result = []
+        self.DC.create_work_queue(work_queue_number=2, dsa_index=0)
+        ports = [self.dut.ports_info[0]["pci"]]
+        eal_params = self.dut.create_eal_parameters(
+            cores=self.vhost_core_list, ports=ports
+        )
+        dmas = "txd0@wq0.0,rxd1@wq0.1"
+        self.launch_vhost_app(
+            eal_params=eal_params, vdev_num=2, dmas=dmas, client_mode=True
+        )
+
+        before_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=False,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "Before relaunch test", before_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "Before relaunch test", rerun_result])
+
+        self.stop_vms()
+        after_relaunch = self.start_iperf_and_scp_test_in_vms(
+            moderns=["false", "false"],
+            mrg_rxbuf=True,
+            need_start_vm=True,
+            packed=True,
+            server_mode=True,
+        )
+        perf_result.append(["packed ring", "After relaunch test", after_relaunch])
+
+        for _ in range(self.rerun_times):
+            rerun_result = self.start_iperf_and_scp_test_in_vms(need_start_vm=False)
+            perf_result.append(["packed ring", "After relaunch test", rerun_result])
+
+        for table_row in perf_result:
+            self.result_table_add(table_row)
+        self.result_table_print()
+
+    def stop_vms(self):
+        for i in range(len(self.vm)):
+            self.vm[i].stop()
+        self.vm_dut = []
+        self.vm = []
+
+    def close_all_session(self):
+        if getattr(self, "vhost_user", None):
+            self.dut.close_session(self.vhost_user)
+        if getattr(self, "virtio-user0", None):
+            self.dut.close_session(self.virtio_user0)
+        if getattr(self, "virtio-user1", None):
+            self.dut.close_session(self.virtio_user1)
+
+    def tear_down(self):
+        """
+        Run after each test case.
+        """
+        self.stop_vms()
+        self.vhost_user.send_expect("^C", "# ", 20)
+        self.dut.kill_all()
+        self.DC.reset_all_work_queue()
+        self.DC.bind_all_dsa_to_kernel()
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        self.close_all_session()
-- 
2.25.1


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