diff --git a/tests/TestSuite_vm2vm_virtio_user_cbdma.py b/tests/TestSuite_vm2vm_virtio_user_cbdma.py
index 0057047c..8cd3efe4 100644
--- a/tests/TestSuite_vm2vm_virtio_user_cbdma.py
+++ b/tests/TestSuite_vm2vm_virtio_user_cbdma.py
@@ -1,14 +1,39 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2022 Intel Corporation
 #
+# 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 vm2vm virtio-user
-This suite include split virtqueue vm2vm in-order mergeable,
-in-order non-mergeable,mergeable, non-mergeable, vector_rx path
-test and packed virtqueue vm2vm in-order mergeable, in-order non-mergeable,
+This suite include split virtqueue vm2vm in-order mergeable, in-order non-mergeable,
+mergeable, non-mergeable, vector_rx path test
+and packed virtqueue vm2vm in-order mergeable, in-order non-mergeable,
 mergeable, non-mergeable path test
 """
 import re
@@ -28,8 +53,8 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
         self.cores_list = self.dut.get_core_list(config="all", socket=self.ports_socket)
         self.vhost_core_list = self.cores_list[0:9]
-        self.virtio0_core_list = self.cores_list[10:12]
-        self.virtio1_core_list = self.cores_list[12:14]
+        self.virtio0_core_list = self.cores_list[10:13]
+        self.virtio1_core_list = self.cores_list[13:15]
         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")
@@ -37,7 +62,10 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         self.vhost_user_pmd = PmdOutput(self.dut, self.vhost_user)
         self.virtio_user0_pmd = PmdOutput(self.dut, self.virtio_user0)
         self.virtio_user1_pmd = PmdOutput(self.dut, self.virtio_user1)
-        self.testpmd_name = self.dut.apps_name["test-pmd"].split("/")[-1]
+        self.path = self.dut.apps_name["test-pmd"]
+        self.testpmd_name = self.path.split("/")[-1]
+        self.app_pdump = self.dut.apps_name["pdump"]
+        self.pdump_name = self.app_pdump.split("/")[-1]
 
     def set_up(self):
         """
@@ -49,6 +77,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         self.dut.send_expect("rm -rf %s" % self.dump_virtio_pcap, "#")
         self.dut.send_expect("rm -rf %s" % self.dump_vhost_pcap, "#")
         self.dut.send_expect("killall -s INT %s" % self.testpmd_name, "#")
+        self.dut.send_expect("killall -s INT %s" % self.pdump_name, "#")
 
     def get_cbdma_ports_info_and_bind_to_dpdk(self, cbdma_num, allow_diff_socket=False):
         """
@@ -88,33 +117,6 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             60,
         )
 
-    @staticmethod
-    def generate_dms_param(queues):
-        das_list = []
-        for i in range(queues):
-            das_list.append("txq{}".format(i))
-        das_param = "[{}]".format(";".join(das_list))
-        return das_param
-
-    @staticmethod
-    def generate_lcore_dma_param(cbdma_list, core_list):
-        group_num = int(len(cbdma_list) / len(core_list))
-        lcore_dma_list = []
-        if len(cbdma_list) == 1:
-            for core in core_list:
-                lcore_dma_list.append("lcore{}@{}".format(core, cbdma_list[0]))
-        elif len(core_list) == 1:
-            for cbdma in cbdma_list:
-                lcore_dma_list.append("lcore{}@{}".format(core_list[0], cbdma))
-        else:
-            for cbdma in cbdma_list:
-                core_list_index = int(cbdma_list.index(cbdma) / group_num)
-                lcore_dma_list.append(
-                    "lcore{}@{}".format(core_list[core_list_index], cbdma)
-                )
-        lcore_dma_param = "[{}]".format(",".join(lcore_dma_list))
-        return lcore_dma_param
-
     def bind_cbdma_device_to_kernel(self):
         self.dut.send_expect("modprobe ioatdma", "# ")
         self.dut.send_expect(
@@ -179,10 +181,11 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             fixed_prefix=True,
         )
 
-    def send_251_960byte_and_32_64byte_pkts(self):
+    def send_502_960byte_and_64_64byte_pkts(self):
         """
         send 251 960byte and 32 64byte length packets from virtio_user0 testpmd
         """
+        # case 1
         self.virtio_user0_pmd.execute_cmd("set burst 1")
         self.virtio_user0_pmd.execute_cmd("set txpkts 64,128,256,512")
         self.virtio_user0_pmd.execute_cmd("start tx_first 27")
@@ -197,26 +200,30 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         out = self.vhost_user_pmd.execute_cmd("show port stats all")
         self.logger.info(out)
 
-    def send_27_4640byte_and_224_64byte_pkts(self):
+    def send_502_64byte_and_64_4640byte_pkts(self):
         """
-        send 54 4640byte and 448 64byte length packets from virtio_user0 testpmd
+        send 502 64byte and 64 4640byte length packets from virtio_user0 testpmd
         """
+        # case 2
         self.virtio_user0_pmd.execute_cmd("set burst 1")
-        self.virtio_user0_pmd.execute_cmd("set txpkts 64,256,2000,64,256,2000")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64")
         self.virtio_user0_pmd.execute_cmd("start tx_first 27")
         self.virtio_user0_pmd.execute_cmd("stop")
         self.virtio_user0_pmd.execute_cmd("set burst 32")
-        self.virtio_user0_pmd.execute_cmd("set txpkts 64")
         self.virtio_user0_pmd.execute_cmd("start tx_first 7")
         self.virtio_user0_pmd.execute_cmd("stop")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64,256,2000,64,256,2000")
+        self.virtio_user0_pmd.execute_cmd("start tx_first 1")
+        self.virtio_user0_pmd.execute_cmd("stop")
         self.vhost_user_pmd.execute_cmd("start")
         out = self.vhost_user_pmd.execute_cmd("show port stats all")
         self.logger.info(out)
 
-    def send_224_64byte_and_27_4640byte_pkts(self):
+    def send_448_64byte_and_54_4640byte_pkts(self):
         """
-        send 54 4640byte and 448 64byte length packets from virtio_user0 testpmd
+        send 448 64byte and 54 4640byte length packets from virtio_user0 testpmd
         """
+        # case3, case9, case10, case11
         self.virtio_user0_pmd.execute_cmd("set burst 32")
         self.virtio_user0_pmd.execute_cmd("set txpkts 64")
         self.virtio_user0_pmd.execute_cmd("start tx_first 7")
@@ -229,11 +236,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         out = self.vhost_user_pmd.execute_cmd("show port stats all")
         self.logger.info(out)
 
-    def send_251_64byte_and_32_8000byte_pkts(self):
+    def send_502_64byte_and_64_8000byte_pkts(self):
         """
         send 54 4640byte and 448 64byte length packets from virtio_user0 testpmd
         """
+        # case4, case5, case12
         self.virtio_user0_pmd.execute_cmd("set burst 1")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64")
         self.virtio_user0_pmd.execute_cmd("start tx_first 27")
         self.virtio_user0_pmd.execute_cmd("stop")
         self.virtio_user0_pmd.execute_cmd("set burst 32")
@@ -246,7 +255,45 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         out = self.vhost_user_pmd.execute_cmd("show port stats all")
         self.logger.info(out)
 
+    def send_448_64byte_and_54_4640byte_pkts(self):
+        """
+        send 54 4640byte and 448 64byte length packets from virtio_user0 testpmd
+        """
+        # case6
+        self.virtio_user0_pmd.execute_cmd("set burst 32")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64")
+        self.virtio_user0_pmd.execute_cmd("start tx_first 7")
+        self.virtio_user0_pmd.execute_cmd("stop")
+        self.virtio_user0_pmd.execute_cmd("set burst 1")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64,256,2000,64,256,2000")
+        self.virtio_user0_pmd.execute_cmd("start tx_first 27")
+        self.virtio_user0_pmd.execute_cmd("stop")
+        self.vhost_user_pmd.execute_cmd("start")
+        out = self.vhost_user_pmd.execute_cmd("show port stats all")
+        self.logger.info(out)
+
+    def send_54_4640byte_and_448_64byte_pkts(self):
+        """
+        send 54 4640byte and 448 64byte length packets from virtio_user0 testpmd
+        """
+        # case7, case8
+        self.virtio_user0_pmd.execute_cmd("set burst 1")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64,256,2000,64,256,2000")
+        self.virtio_user0_pmd.execute_cmd("start tx_first 27")
+        self.virtio_user0_pmd.execute_cmd("stop")
+        self.virtio_user0_pmd.execute_cmd("set burst 32")
+        self.virtio_user0_pmd.execute_cmd("set txpkts 64")
+        self.virtio_user0_pmd.execute_cmd("start tx_first 7")
+        self.virtio_user0_pmd.execute_cmd("stop")
+        self.vhost_user_pmd.execute_cmd("start")
+        out = self.vhost_user_pmd.execute_cmd("show port stats all")
+        self.logger.info(out)
+
     def send_1_64byte_pkts(self):
+        """
+        send 1 64byte length packets from virtio_user0 testpmd
+        """
+        # case13
         self.virtio_user0_pmd.execute_cmd("set burst 1")
         self.virtio_user0_pmd.execute_cmd("start tx_first 1")
         self.virtio_user0_pmd.execute_cmd("stop")
@@ -268,17 +315,12 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         if dump the vhost-testpmd, the vhost-testpmd should started before launch pdump
         if dump the virtio-testpmd, the virtio-testpmd should started before launch pdump
         """
-        eal_params = self.dut.create_eal_parameters(
-            cores="Default", prefix="virtio-user1", fixed_prefix=True, ports=[]
-        )
         command_line = (
             self.app_pdump
-            + " %s -v -- "
+            + "-l 1-2 -n 4 --file-prefix=virtio-user1 -v -- "
             + "--pdump  'device_id=net_virtio_user1,queue=*,rx-dev=%s,mbuf-size=8000'"
         )
-        self.pdump_user.send_expect(
-            command_line % (eal_params, self.dump_virtio_pcap), "Port"
-        )
+        self.pdump_user.send_expect(command_line % (self.dump_virtio_pcap), "Port")
 
     def check_virtio_user1_stats(self, check_dict):
         """
@@ -328,38 +370,32 @@ class TestVM2VMVirtioUserCbdma(TestCase):
                 "pdump file: {} have not include enough packets {}".format(count, key),
             )
 
-    def check_vhost_user_testpmd_logs(self):
-        out = self.vhost_user.get_session_before(timeout=30)
-        check_logs = [
-            "DMA completion failure on channel",
-            "DMA copy failed for channel",
-        ]
-        for check_log in check_logs:
-            self.verify(check_log not in out, "Vhost-user testpmd Exception")
-
     def quit_all_testpmd(self):
-        self.vhost_user_pmd.quit()
-        self.virtio_user0_pmd.quit()
-        self.virtio_user1_pmd.quit()
+        self.vhost_user_pmd.execute_cmd("quit", "#", 60)
+        self.virtio_user0_pmd.execute_cmd("quit", "#", 60)
+        self.virtio_user1_pmd.execute_cmd("quit", "#", 60)
         self.pdump_user.send_expect("^c", "# ", 60)
 
-    def test_split_ring_non_mergeable_path_multi_queues_with_cbdma(self):
+    def test_split_ring_non_mergeable_path_multi_queues_payload_check_with_cbdma_enable(
+        self,
+    ):
         """
-        Test Case 1: split virtqueue vm2vm non-mergeable path multi-queues payload check with cbdma enable
+        Test Case 1: VM2VM split ring non-mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(2)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=2)
+        lcore_dma = "lcore%s@%s," "lcore%s@%s" % (
+            self.vhost_core_list[1],
+            self.cbdma_list[0],
+            self.vhost_core_list[1],
+            self.cbdma_list[1],
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -369,7 +405,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             iova_mode="va",
         )
 
-        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=0,mrg_rxbuf=0,in_order=0,queue_size=4096"
+        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,mrg_rxbuf=0,in_order=0,queue_size=4096"
         virtio1_param = (
             " --enable-hw-vlan-strip --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         )
@@ -380,7 +416,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=0,mrg_rxbuf=0,in_order=0,queue_size=4096"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=0,in_order=0,queue_size=4096"
         virtio0_param = (
             " --enable-hw-vlan-strip --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         )
@@ -390,15 +426,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_251_960byte_and_32_64byte_pkts()
+        self.send_502_960byte_and_64_64byte_pkts()
         check_dict = {960: 502, 64: 64}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
-        self.check_vhost_user_testpmd_logs()
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -409,95 +443,44 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_251_960byte_and_32_64byte_pkts()
+            self.send_502_960byte_and_64_64byte_pkts()
             check_dict = {960: 502, 64: 64}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
-            self.check_vhost_user_testpmd_logs()
 
-    def test_split_ring_mergeable_path_multi_queues_with_cbdma(self):
+    def test_split_ping_inorder_non_mergeable_path_multi_queues_payload_check_with_cbdma_enable(
+        self,
+    ):
         """
-        Test Case 2: split virtqueue vm2vm mergeable path multi-queues payload check with cbdma enable
+        Test Case 2: VM2VM split ring inorder non-mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(1)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list[0:1], core_list=self.vhost_core_list[1:2]
-        )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        )
-        vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
-        )
-        self.start_vhost_testpmd(
-            cores=self.vhost_core_list,
-            eal_param=vhost_eal_param,
-            param=vhost_param,
-            ports=self.cbdma_list,
-            iova_mode="va",
-        )
-
-        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=0,queue_size=4096"
-        virtio1_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
-        self.start_virtio_testpmd_with_vhost_net1(
-            cores=self.virtio1_core_list,
-            eal_param=virtio1_eal_param,
-            param=virtio1_param,
-        )
-        self.start_pdump_to_capture_pkt()
-
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=0,queue_size=4096"
-        virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
-        self.start_virtio_testpmd_with_vhost_net0(
-            cores=self.virtio0_core_list,
-            eal_param=virtio0_eal_param,
-            param=virtio0_param,
-        )
-
-        self.send_27_4640byte_and_224_64byte_pkts()
-        check_dict = {4640: 54, 64: 448}
-        self.check_virtio_user1_stats(check_dict)
-        self.check_packet_payload_valid(check_dict)
-
-        if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
-            self.clear_virtio_user1_stats()
-            self.start_vhost_testpmd(
-                cores=self.vhost_core_list,
-                eal_param=vhost_eal_param,
-                param=vhost_param,
-                ports=self.cbdma_list,
-                iova_mode="pa",
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=5)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
             )
-            self.start_pdump_to_capture_pkt()
-
-            self.send_27_4640byte_and_224_64byte_pkts()
-            check_dict = {4640: 54, 64: 448}
-            self.check_virtio_user1_stats(check_dict)
-            self.check_packet_payload_valid(check_dict)
-
-    def test_split_ring_inorder_non_mergeable_path_multi_queues_with_cbdma(self):
-        """
-        Test Case 3: split virtqueue vm2vm inorder non-mergeable path multi-queues payload check with cbdma enable
-        """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(5)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1  --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -507,7 +490,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             iova_mode="va",
         )
 
-        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=0,mrg_rxbuf=0,in_order=1,queue_size=4096"
+        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,mrg_rxbuf=0,in_order=1,queue_size=4096"
         virtio1_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         self.start_virtio_testpmd_with_vhost_net1(
             cores=self.virtio1_core_list,
@@ -516,7 +499,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=0,mrg_rxbuf=0,in_order=1,queue_size=4096"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=0,in_order=1,queue_size=4096"
         virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -524,14 +507,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_27_4640byte_and_224_64byte_pkts()
-        check_dict = {64: 448}
+        self.send_502_64byte_and_64_4640byte_pkts()
+        check_dict = {64: 502, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -542,26 +524,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_27_4640byte_and_224_64byte_pkts()
-            check_dict = {64: 448}
+            self.send_502_64byte_and_64_4640byte_pkts()
+            check_dict = {64: 502, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_split_ring_vectorized_path_multi_queues_with_cbdma(self):
+    def test_split_ring_verctorized_path_multi_queues_payload_check_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 4: split virtqueue vm2vm vectorized path multi-queues payload check with cbdma enable
+        Test Case 3: VM2VM split ring vectorized path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+                self.vhost_core_list[1],
+                self.cbdma_list[5],
+                self.vhost_core_list[1],
+                self.cbdma_list[6],
+                self.vhost_core_list[1],
+                self.cbdma_list[7],
+            )
         )
         vhost_eal_param = (
-            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0],dma_ring_size=2048'"
-            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1],dma_ring_size=2048'"
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -580,7 +589,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=0,in_order=0,vectorized=1,queue_size=4096"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=0,in_order=0,,vectorized=1,queue_size=4096"
         virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -588,14 +597,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_224_64byte_and_27_4640byte_pkts()
-        check_dict = {64: 448}
+        self.send_448_64byte_and_54_4640byte_pkts()
+        check_dict = {64: 448, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -606,30 +614,41 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_224_64byte_and_27_4640byte_pkts()
-            check_dict = {64: 448}
+            self.send_448_64byte_and_54_4640byte_pkts()
+            check_dict = {64: 448, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_split_ring_inorder_mergeable_path_multi_queues_test_non_indirect_descriptor_with_cbdma(
+    def test_split_ring_inorder_mergeable_path_test_non_indirect_descriptor_with_cbdma_enabled(
         self,
     ):
         """
-        Test Case 5: Split virtqueue vm2vm inorder mergeable path test non-indirect descriptor with cbdma enable
+        Test Case 4: VM2VM split ring inorder mergeable path test non-indirect descriptor with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(4)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=4)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=256 --rxd=256 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --txq=2 --rxq=2 --txd=256 --rxd=256 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -639,7 +658,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             iova_mode="va",
         )
 
-        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=1,queue_size=256"
+        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,mrg_rxbuf=1,in_order=1,queue_size=256"
         virtio1_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net1(
             cores=self.virtio1_core_list,
@@ -648,7 +667,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=1,queue_size=256"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=1,in_order=1,queue_size=256"
         virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -656,16 +675,15 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_251_64byte_and_32_8000byte_pkts()
+        self.send_502_64byte_and_64_8000byte_pkts()
         check_dict = {64: 502, 8000: 2}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
-            self.virtio_user1_pmd.quit()
-            self.virtio_user0_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user1_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user0_pmd.execute_cmd("quit", "#", 60)
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -679,36 +697,46 @@ class TestVM2VMVirtioUserCbdma(TestCase):
                 param=virtio1_param,
             )
             self.start_pdump_to_capture_pkt()
+
             self.start_virtio_testpmd_with_vhost_net0(
                 cores=self.virtio0_core_list,
                 eal_param=virtio0_eal_param,
                 param=virtio0_param,
             )
 
-            self.send_251_64byte_and_32_8000byte_pkts()
+            self.send_502_64byte_and_64_8000byte_pkts()
             check_dict = {64: 502, 8000: 2}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_split_ring_inorder_mergeable_path_multi_queues_test_indirect_descriptor_with_cbdma(
-        self,
-    ):
+    def test_split_ring_mergeable_path_test_indirect_descriptor_with_cbdma_enable(self):
         """
-        Test Case 6: Split virtqueue vm2vm mergeable path test indirect descriptor with cbdma enable
+        Test Case 5: VM2VM split ring mergeable path test indirect descriptor with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(4)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=4)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=256 --rxd=256 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -718,7 +746,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             iova_mode="va",
         )
 
-        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=0,queue_size=256"
+        virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,mrg_rxbuf=1,in_order=0,queue_size=256"
         virtio1_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net1(
             cores=self.virtio1_core_list,
@@ -727,7 +755,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=0,mrg_rxbuf=1,in_order=0,queue_size=256"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=1,in_order=0,queue_size=256"
         virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -735,16 +763,19 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_251_64byte_and_32_8000byte_pkts()
+        self.send_502_64byte_and_64_8000byte_pkts()
         check_dict = {64: 502, 8000: 10}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
-            self.virtio_user1_pmd.quit()
-            self.virtio_user0_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user1_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user0_pmd.execute_cmd("quit", "#", 60)
+            vhost_eal_param = (
+                "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+                + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+            )
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -764,28 +795,31 @@ class TestVM2VMVirtioUserCbdma(TestCase):
                 param=virtio0_param,
             )
 
-            self.send_251_64byte_and_32_8000byte_pkts()
+            self.send_502_64byte_and_64_8000byte_pkts()
             check_dict = {64: 502, 8000: 10}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_non_mergeable_path_multi_queues_with_cbdma(self):
+    def test_packed_ring_non_mergeable_path_multi_queues_payload_check_with_cbdma_enable(
+        self,
+    ):
         """
-        Test Case 7: packed virtqueue vm2vm non-mergeable path multi-queues payload check with cbdma enable
+        Test Case 6: VM2VM packed ring non-mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(2)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=2)
+        lcore_dma = "lcore%s@%s," "lcore%s@%s" % (
+            self.vhost_core_list[1],
+            self.cbdma_list[0],
+            self.vhost_core_list[1],
+            self.cbdma_list[1],
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -796,7 +830,9 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
 
         virtio1_eal_param = "--vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=1,mrg_rxbuf=0,in_order=0,queue_size=4096"
-        virtio1_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
+        virtio1_param = (
+            " --enable-hw-vlan-strip --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
+        )
         self.start_virtio_testpmd_with_vhost_net1(
             cores=self.virtio1_core_list,
             eal_param=virtio1_eal_param,
@@ -805,22 +841,27 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         self.start_pdump_to_capture_pkt()
 
         virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=1,mrg_rxbuf=0,in_order=0,queue_size=4096"
-        virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
+        virtio0_param = (
+            " --enable-hw-vlan-strip --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
+        )
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
             eal_param=virtio0_eal_param,
             param=virtio0_param,
         )
 
-        self.send_224_64byte_and_27_4640byte_pkts()
-        check_dict = {64: 448}
+        self.send_448_64byte_and_54_4640byte_pkts()
+        check_dict = {64: 448, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
+            vhost_eal_param = (
+                "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
+                + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
+            )
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -830,28 +871,26 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_224_64byte_and_27_4640byte_pkts()
-            check_dict = {64: 448}
+            self.send_448_64byte_and_54_4640byte_pkts()
+            check_dict = {64: 448, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_mergeable_path_multi_queues_with_cbdma(self):
+    def test_packed_ring_mergeable_path_multi_queues_payload_check_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 8: packed virtqueue vm2vm mergeable path multi-queues payload check with cbdma enable
+        Test Case 7: VM2VM packed ring mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(1)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list[0:1], core_list=self.vhost_core_list[1:2]
-        )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=1)
+        lcore_dma = "lcore%s@%s," % (self.vhost_core_list[1], self.cbdma_list[0])
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -878,15 +917,18 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_27_4640byte_and_224_64byte_pkts()
+        self.send_54_4640byte_and_448_64byte_pkts()
         check_dict = {4640: 54, 64: 448}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
+            vhost_eal_param = (
+                "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+                + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+            )
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -896,28 +938,44 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_27_4640byte_and_224_64byte_pkts()
+            self.send_54_4640byte_and_448_64byte_pkts()
             check_dict = {4640: 54, 64: 448}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_inorder_mergeable_path_multi_queues_with_cbdma(self):
+    def test_packed_ring_inorder_mergeable_path_multi_queues_payload_check_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 9: packed virtqueue vm2vm inorder mergeable path multi-queues payload check with cbdma enable
+        Test Case 8: VM2VM packed ring inorder mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(5)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=5)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0;rxq1]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0]'"
         )
         vhost_param = (
             " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -944,14 +1002,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_27_4640byte_and_224_64byte_pkts()
+        self.send_54_4640byte_and_448_64byte_pkts()
         check_dict = {4640: 54, 64: 448}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -962,28 +1019,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_27_4640byte_and_224_64byte_pkts()
+            self.send_54_4640byte_and_448_64byte_pkts()
             check_dict = {4640: 54, 64: 448}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_inorder_non_mergeable_path_multi_queues_with_cbdma(self):
+    def test_packed_ring_inorder_non_mergeable_path_multi_queues_payload_check_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 10: packed virtqueue vm2vm inorder non-mergeable path multi-queues payload check with cbdma enable
+        Test Case 9: VM2VM packed ring inorder non-mergeable path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        dmas = self.generate_dms_param(1)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+                self.vhost_core_list[1],
+                self.cbdma_list[5],
+                self.vhost_core_list[1],
+                self.cbdma_list[6],
+                self.vhost_core_list[1],
+                self.cbdma_list[7],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -1002,7 +1084,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=1,mrg_rxbuf=0,in_order=1,queue_size=4096"
+        virtio0_eal_param = "--vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,mrg_rxbuf=0,in_order=0,vectorized=1,queue_size=4096"
         virtio0_param = " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -1010,14 +1092,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_224_64byte_and_27_4640byte_pkts()
-        check_dict = {64: 448}
+        self.send_448_64byte_and_54_4640byte_pkts()
+        check_dict = {64: 448, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -1028,26 +1109,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_224_64byte_and_27_4640byte_pkts()
-            check_dict = {64: 448}
+            self.send_448_64byte_and_54_4640byte_pkts()
+            check_dict = {64: 448, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_inorder_vectorized_rx_path_multi_queues_with_cbdma(self):
+    def test_packed_ring_vectorized_rx_path_multi_queues_payload_check_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 11: packed virtqueue vm2vm vectorized-rx path multi-queues payload check with cbdma enable
+        Test Case 10: VM2VM packed ring vectorized-rx path multi-queues payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:3]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[2],
+                self.cbdma_list[4],
+                self.vhost_core_list[2],
+                self.cbdma_list[5],
+                self.vhost_core_list[2],
+                self.cbdma_list[6],
+                self.vhost_core_list[2],
+                self.cbdma_list[7],
+            )
         )
         vhost_eal_param = (
-            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0],dma_ring_size=2048'"
-            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1],dma_ring_size=2048'"
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=2 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=2 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -1074,14 +1182,13 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_224_64byte_and_27_4640byte_pkts()
-        check_dict = {64: 448}
+        self.send_448_64byte_and_54_4640byte_pkts()
+        check_dict = {64: 448, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
@@ -1092,30 +1199,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_224_64byte_and_27_4640byte_pkts()
-            check_dict = {64: 448}
+            self.send_448_64byte_and_54_4640byte_pkts()
+            check_dict = {64: 448, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_inorder_vectorized_path_multi_queues_check_with_ring_size_is_not_power_of_2_queues_with_cbdma(
+    def test_packed_ring_vectorized_path_multi_queues_payload_check_with_cbdma_enabled(
         self,
     ):
         """
-        Test Case 12: packed virtqueue vm2vm vectorized path multi-queues payload check with ring size is not power of 2 and cbdma enabled
+        Test Case 11: VM2VM packed ring vectorized path multi-queues payload check test with ring size is not power of 2 with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+                self.vhost_core_list[1],
+                self.cbdma_list[5],
+                self.vhost_core_list[1],
+                self.cbdma_list[6],
+                self.vhost_core_list[1],
+                self.cbdma_list[7],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1;rxq0;rxq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=4096 --rxd=4096 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=4096 --rxd=4096 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -1142,15 +1272,18 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_224_64byte_and_27_4640byte_pkts()
-        check_dict = {64: 448}
+        self.send_448_64byte_and_54_4640byte_pkts()
+        check_dict = {64: 448, 4640: 0}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
             self.clear_virtio_user1_stats()
+            vhost_eal_param = (
+                "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[rxq0]'"
+                + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1]'"
+            )
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -1160,30 +1293,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             )
             self.start_pdump_to_capture_pkt()
 
-            self.send_224_64byte_and_27_4640byte_pkts()
-            check_dict = {64: 448}
+            self.send_448_64byte_and_54_4640byte_pkts()
+            check_dict = {64: 448, 4640: 0}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_vectorized_tx_path_multi_queues_test_indirect_descriptor_with_cbdma(
+    def test_pakced_packed_ring_vectorized_tx_path_multi_queues_test_indirect_descriptor_with_cbdma_enabled(
         self,
     ):
         """
-        Test Case 13: packed virtqueue vm2vm vectorized-tx path multi-queues test indirect descriptor with cbdma enable
+        Test Case 12: VM2VM packed ring vectorized-tx path multi-queues test indirect descriptor and payload check with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        dmas = self.generate_dms_param(2)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+                self.vhost_core_list[1],
+                self.cbdma_list[5],
+                self.vhost_core_list[1],
+                self.cbdma_list[6],
+                self.vhost_core_list[1],
+                self.cbdma_list[7],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[txq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq1]'"
         )
         vhost_param = (
-            " --nb-cores=1 --txd=256 --rxd=256 --txq=2 --rxq=2 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            " --nb-cores=1 --rxq=2 --txq=2 --txd=256 --rxd=256 --no-flush-rx"
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -1210,16 +1366,19 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             param=virtio0_param,
         )
 
-        self.send_251_64byte_and_32_8000byte_pkts()
+        self.send_502_64byte_and_64_8000byte_pkts()
         check_dict = {64: 502, 8000: 10}
         self.check_virtio_user1_stats(check_dict)
         self.check_packet_payload_valid(check_dict)
 
         if not self.check_2M_env:
-            self.logger.info("Quit and relaunch vhost with iova=pa")
-            self.vhost_user_pmd.quit()
-            self.virtio_user1_pmd.quit()
-            self.virtio_user0_pmd.quit()
+            self.vhost_user_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user1_pmd.execute_cmd("quit", "#", 60)
+            self.virtio_user0_pmd.execute_cmd("quit", "#", 60)
+            vhost_eal_param = (
+                "--vdev 'net_vhost0,iface=vhost-net0,queues=2,client=1,dmas=[rxq0;rxq1]'"
+                + " --vdev 'net_vhost1,iface=vhost-net1,queues=2,client=1,dmas=[txq0;txq1]'"
+            )
             self.start_vhost_testpmd(
                 cores=self.vhost_core_list,
                 eal_param=vhost_eal_param,
@@ -1239,28 +1398,53 @@ class TestVM2VMVirtioUserCbdma(TestCase):
                 param=virtio0_param,
             )
 
-            self.send_251_64byte_and_32_8000byte_pkts()
+            self.send_502_64byte_and_64_8000byte_pkts()
             check_dict = {64: 502, 8000: 10}
             self.check_virtio_user1_stats(check_dict)
             self.check_packet_payload_valid(check_dict)
 
-    def test_packed_ring_vectorized_tx_path_test_batch_processing_with_cbdma(self):
+    def test_packed_ring_vectorized_tx_path_test_batch_processing_with_cbdma_enabled(
+        self,
+    ):
         """
-        Test Case 14: packed virtqueue vm2vm vectorized-tx path test batch processing with cbdma enable
+        Test Case 13: VM2VM packed ring vectorized-tx path test batch processing with cbdma enable
         """
-        self.get_cbdma_ports_info_and_bind_to_dpdk(8)
-        dmas = self.generate_dms_param(1)
-        lcore_dma = self.generate_lcore_dma_param(
-            cbdma_list=self.cbdma_list, core_list=self.vhost_core_list[1:2]
+        self.get_cbdma_ports_info_and_bind_to_dpdk(cbdma_num=8)
+        lcore_dma = (
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s,"
+            "lcore%s@%s"
+            % (
+                self.vhost_core_list[1],
+                self.cbdma_list[0],
+                self.vhost_core_list[1],
+                self.cbdma_list[1],
+                self.vhost_core_list[1],
+                self.cbdma_list[2],
+                self.vhost_core_list[1],
+                self.cbdma_list[3],
+                self.vhost_core_list[1],
+                self.cbdma_list[4],
+                self.vhost_core_list[1],
+                self.cbdma_list[5],
+                self.vhost_core_list[1],
+                self.cbdma_list[6],
+                self.vhost_core_list[1],
+                self.cbdma_list[7],
+            )
         )
-        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net0,queues=1,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
-        ) + " --vdev 'net_vhost1,iface=vhost-net1,queues=1,client=1,dmas={},dma_ring_size=2048'".format(
-            dmas
+        vhost_eal_param = (
+            "--vdev 'net_vhost0,iface=vhost-net0,queues=1,client=1,dmas=[txq0;rxq0]'"
+            + " --vdev 'net_vhost1,iface=vhost-net1,queues=1,client=1,dmas=[txq0;rxq0]'"
         )
         vhost_param = (
             " --nb-cores=1 --txd=256 --rxd=256 --txq=1 --rxq=1 --no-flush-rx"
-            + " --lcore-dma={}".format(lcore_dma)
+            + " --lcore-dma=[%s]" % lcore_dma
         )
         self.start_vhost_testpmd(
             cores=self.vhost_core_list,
@@ -1270,7 +1454,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
             iova_mode="va",
         )
 
-        virtio1_eal_param = "--force-max-simd-bitwidth=512 --vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=2,server=1,packed_vq=1,mrg_rxbuf=1,in_order=1,vectorized=1,queue_size=256"
+        virtio1_eal_param = "--force-max-simd-bitwidth=512 --vdev=net_virtio_user1,mac=00:01:02:03:04:05,path=./vhost-net1,queues=1,server=1,packed_vq=1,mrg_rxbuf=1,in_order=1,vectorized=1,queue_size=256"
         virtio1_param = " --nb-cores=1 --rxq=1 --txq=1 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net1(
             cores=self.virtio1_core_list,
@@ -1279,7 +1463,7 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         )
         self.start_pdump_to_capture_pkt()
 
-        virtio0_eal_param = "--force-max-simd-bitwidth=512 --vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=2,server=1,packed_vq=1,mrg_rxbuf=1,in_order=1,vectorized=1,queue_size=256"
+        virtio0_eal_param = "--force-max-simd-bitwidth=512 --vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net0,queues=1,server=1,packed_vq=1,mrg_rxbuf=1,in_order=1,vectorized=1,queue_size=256"
         virtio0_param = " --nb-cores=1 --rxq=1 --txq=1 --txd=256 --rxd=256"
         self.start_virtio_testpmd_with_vhost_net0(
             cores=self.virtio0_core_list,
@@ -1308,6 +1492,8 @@ class TestVM2VMVirtioUserCbdma(TestCase):
         """
         self.quit_all_testpmd()
         self.dut.kill_all()
+        self.dut.send_expect("killall -s INT %s" % self.testpmd_name, "#")
+        self.dut.send_expect("killall -s INT %s" % self.pdump_name, "#")
         self.bind_cbdma_device_to_kernel()
 
     def tear_down_all(self):
