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* [dts][PATCH V5 1/3] test_plans/vhost_cbdma_test_plan: modify testplan to test virtio dequeue
@ 2022-08-19  9:15 Wei Ling
  0 siblings, 0 replies; only message in thread
From: Wei Ling @ 2022-08-19  9:15 UTC (permalink / raw)
  To: dts; +Cc: Wei Ling

From DPDK-22.07, virtio support async dequeue for split and packed ring
path, so modify vhost_cbdma testplan to test the split and packed ring 
async dequeue feature.

Signed-off-by: Wei Ling <weix.ling@intel.com>
---
 test_plans/vhost_cbdma_test_plan.rst | 1349 ++++++++------------------
 1 file changed, 420 insertions(+), 929 deletions(-)

diff --git a/test_plans/vhost_cbdma_test_plan.rst b/test_plans/vhost_cbdma_test_plan.rst
index 08820a9c..308fc2a0 100644
--- a/test_plans/vhost_cbdma_test_plan.rst
+++ b/test_plans/vhost_cbdma_test_plan.rst
@@ -1,9 +1,9 @@
 .. SPDX-License-Identifier: BSD-3-Clause
    Copyright(c) 2022 Intel Corporation
 
-==========================================================
-DMA-accelerated Tx operations for vhost-user PMD test plan
-==========================================================
+=============================================================
+DMA-accelerated Tx/RX operations for vhost-user PMD test plan
+=============================================================
 
 Description
 ===========
@@ -13,8 +13,6 @@ data path with CBDMA driver in the PVP topology environment with testpmd.
 
 CBDMA is a kind of DMA engine, Vhost asynchronous data path leverages DMA devices
 to offload memory copies from the CPU and it is implemented in an asynchronous way.
-Linux kernel and DPDK provide CBDMA driver, no matter which driver is used,
-DPDK DMA library is used in data-path to offload copies to CBDMA, and the only difference is which driver configures CBDMA.
 It enables applications, like OVS, to save CPU cycles and hide memory copy overhead, thus achieving higher throughput.
 Vhost doesn't manage DMA devices and applications, like OVS, need to manage and configure CBDMA devices.
 Applications need to tell vhost what CBDMA devices to use in every data path function call.
@@ -23,10 +21,17 @@ function modules, not limited in vhost. In addition, vhost supports M:N mapping
 and DMA virtual channels. Specifically, one vring can use multiple different DMA channels
 and one DMA channel can be shared by multiple vrings at the same time.
 
+From DPDK22.07, this feature is implemented on both split and packed ring enqueue and dequeue data path.
+
 Note:
 1. When CBDMA devices are bound to vfio driver, VA mode is the default and recommended.
 For PA mode, page by page mapping may exceed IOMMU's max capability, better to use 1G guest hugepage.
 2. DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd.
+This patch supports to bind dma to each lcore in testpmd. To enable this feature, need to add
+"--lcore-dma=[fwd-lcore-id@dma-bdf,...]" in testpmd. After set this parameter for all forwarding cores,
+vhost will use dma belonging to lcore to offload copies.
+
+3. by default, the xl710 Intel NIC does not activate the ETH RSS IPv4/TCP data stream. So we need to execute  `port config all rss ipv4-tcp` in testpmd.
 
 For more about dpdk-testpmd sample, please refer to the DPDK docments:
 https://doc.dpdk.org/guides/testpmd_app_ug/run_app.html
@@ -38,38 +43,38 @@ Prerequisites
 
 Topology
 --------
-      Test flow: TG-->NIC-->Vhost-->Virtio-->Vhost-->NIC-->TG
+    Test flow: TG-->NIC-->Vhost-->Virtio-->Vhost-->NIC-->TG
 
 Hardware
 --------
-      Supportted NICs: ALL
+    Supportted NICs: ALL
 
 Software
 --------
-      Trex:http://trex-tgn.cisco.com/trex/release/v2.26.tar.gz
+    Trex:http://trex-tgn.cisco.com/trex/release/v2.26.tar.gz
 
 General set up
 --------------
 1. Compile DPDK::
 
-      # CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=<dpdk build dir>
-      # ninja -C <dpdk build dir> -j 110
-      For example:
-      CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=x86_64-native-linuxapp-gcc
-      ninja -C x86_64-native-linuxapp-gcc -j 110
+    # CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static <dpdk build dir>
+    # ninja -C <dpdk build dir> -j 110
+    For example:
+    CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library=static x86_64-native-linuxapp-gcc
+    ninja -C x86_64-native-linuxapp-gcc -j 110
 
 2. Get the PCI device ID and DMA device ID of DUT, for example, 0000:18:00.0 is PCI device ID, 0000:00:04.0, 0000:00:04.1 are DMA device IDs::
 
-      <dpdk dir># ./usertools/dpdk-devbind.py -s
+    <dpdk dir># ./usertools/dpdk-devbind.py -s
 
-      Network devices using kernel driver
-      ===================================
-      0000:18:00.0 'Device 159b' if=ens785f0 drv=ice unused=vfio-pci
+    Network devices using kernel driver
+    ===================================
+    0000:18:00.0 'Device 159b' if=ens785f0 drv=ice unused=vfio-pci
 
-      DMA devices using kernel driver
-      ===============================
-      0000:00:04.0 'Sky Lake-E CBDMA Registers 2021' drv=ioatdma unused=vfio-pci
-      0000:00:04.1 'Sky Lake-E CBDMA Registers 2021' drv=ioatdma unused=vfio-pci
+    DMA devices using kernel driver
+    ===============================
+    0000:00:04.0 'Sky Lake-E CBDMA Registers 2021' drv=ioatdma unused=vfio-pci
+    0000:00:04.1 'Sky Lake-E CBDMA Registers 2021' drv=ioatdma unused=vfio-pci
 
 Test case
 =========
@@ -78,1115 +83,601 @@ Common steps
 ------------
 1. Bind 1 NIC port and CBDMA devices to vfio-pci::
 
-      <dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <DUT port pci device id>
-      <dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <DUT port DMA device id>
+    <dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <DUT port pci device id>
+    <dpdk dir># ./usertools/dpdk-devbind.py -b vfio-pci <DUT port DMA device id>
 
-      For example, Bind 1 NIC port and 2 CBDMA devices::
-      ./usertools/dpdk-devbind.py -b vfio-pci 0000:00:18.0
-      ./usertools/dpdk-devbind.py -b vfio-pci 0000:00:04.0,0000:00:04.1
+    For example, Bind 1 NIC port and 2 CBDMA devices::
+    ./usertools/dpdk-devbind.py -b vfio-pci 0000:00:18.0
+    ./usertools/dpdk-devbind.py -b vfio-pci 0000:00:04.0,0000:00:04.1
 
-2. Send imix packets [64,1518] to NIC by traffic generator::
+2. Send tcp imix packets [64,1518] to NIC by traffic generator::
 
-      The imix packets include packet size [64, 128, 256, 512, 1024, 1518], and the format of packet is as follows.
-      +-------------+-------------+-------------+-------------+
-      | MAC         | MAC         | IPV4        | IPV4        |
-      | Src address | Dst address | Src address | Dst address |
-      |-------------|-------------|-------------|-------------|
-      | Random MAC  | Virtio mac  | Random IP   | Random IP   |
-      +-------------+-------------+-------------+-------------+
-      All the packets in this test plan use the Virtio mac: 00:11:22:33:44:10.
+    The imix packets include packet size [64, 128, 256, 512, 1024, 1518], and the format of packet is as follows.
+    +-------------+-------------+-------------+-------------+
+    | MAC         | MAC         | IPV4        | IPV4        |
+    | Src address | Dst address | Src address | Dst address |
+    |-------------|-------------|-------------|-------------|
+    | Random MAC  | Virtio mac  | Random IP   | Random IP   |
+    +-------------+-------------+-------------+-------------+
+    All the packets in this test plan use the Virtio mac: 00:11:22:33:44:10.
 
-Test Case 1: PVP split ring all path vhost enqueue operations with 1 to 1 mapping between vrings and CBDMA virtual channels
----------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring in each virtio path with 1 core and 1 queue
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:1.
-Both iova as VA and PA mode have been tested.
+Test Case 1: PVP split ring all path multi-queues vhost async operation with 1 to 1 mapping between vring and CBDMA virtual channels
+------------------------------------------------------------------------------------------------------------------------------------
+This case tests split ring in each virtio path with multi-queues can work normally when vhost uses the asynchronous enqueue and dequeue operations
+and the mapping between vrings and CBDMA virtual channels is 1:1. Both iova as VA and PA mode have been tested.
 
-1. Bind 1 NIC port and 1 CBDMA device to vfio-pci, as common step 1.
+1. Bind 1 NIC port and 4 CBDMA devices to vfio-pci, as common step 1.
 
 2. Launch vhost by below command::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-      --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-      --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-      --lcore-dma=[lcore11@0000:00:04.0]
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
+	-a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=2,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=va -- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
 3. Launch virtio-user with inorder mergeable path::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-      --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=1 \
-      -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=2 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
-4. Send imix packets [64,1518] from packet generator as common step2, and then check the throughput can get expected data::
+4. Send tcp imix packets [64,1518] from packet generator as common step2, and then check the throughput can get expected data::
 
-      testpmd> show port stats all
+    testpmd> show port stats all
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-      testpmd> stop
+    testpmd> stop
 
-6. Restart vhost port and send imix pkts again, then check the throuhput can get expected data::
+6. Restart vhost port and send imix packets again, then check the throuhput can get expected data::
 
-      testpmd> start
-      testpmd> show port stats all
+    testpmd> start
+    testpmd> show port stats all
 
 7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-      --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=1 \
-      -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,queues=2 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-      --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=1 \
-      -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=1,queues=2 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-      --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=1 \
-      -- -i --enable-hw-vlan-strip --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,queues=2 \
+	-- -i --enable-hw-vlan-strip --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 .. note::
 
-    Rx offload(s) are requested when using split ring non-mergeable path. So add the parameter "--enable-hw-vlan-strip".
+	Rx offload(s) are requested when using split ring non-mergeable path. So add the parameter "--enable-hw-vlan-strip".
 
 10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-      --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=1 \
-      -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-      testpmd> set fwd mac
-      testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=2 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 11. Quit all testpmd and relaunch vhost with iova=pa by below command::
 
-      <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0
-      --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-      --iova=pa -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-      --lcore-dma=[lcore11@0000:00:04.0]
-      testpmd> set fwd mac
-      testpmd> start
-
-12. Rerun steps 3-11.
-
-Test Case 2: PVP split ring all path multi-queues vhost enqueue operations with 1 to 1 mapping between vrings and CBDMA virtual channels
-----------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:1.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
-
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3,lcore15@0000:00:04.4,lcore16@0000:00:04.5,lcore17@0000:00:04.6,lcore18@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user with inorder mergeable path::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
-
-       testpmd> show port stats all
-
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
-
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throuhput can get expected data::
-
-       testpmd> start
-       testpmd> show port stats all
-
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8 \
-       -- -i --enable-hw-vlan-strip --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
+	-a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=2,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=pa -- -i --nb-cores=2 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-11. Quit all testpmd and relaunch vhost with iova=pa by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3,lcore15@0000:00:04.4,lcore16@0000:00:04.5,lcore17@0000:00:04.6,lcore18@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Rerun step 7.
+12. Rerun steps 3-6.
 
-Test Case 3: PVP split ring all path multi-queues vhost enqueue operations with M to 1 mapping between vrings and CBDMA virtual channels
-----------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is M:1.
-Both iova as VA and PA mode have been tested.
+Test Case 2: PVP split ring all path multi-queues vhost async operations with M to 1 mapping between vrings and CBDMA virtual channels
+--------------------------------------------------------------------------------------------------------------------------------------
+This case tests split ring in each virtio path with multi-queues can work normally when vhost uses the asynchronous enqueue and dequeue operations
+and the mapping between vrings and CBDMA virtual channels is M:1. Both iova as VA and PA mode have been tested.
 
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
+1. Bind 1 NIC port and 4 CBDMA devices to vfio-pci, as common step 1.
 
 2. Launch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
 3. Launch virtio-user with inorder mergeable path::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=8 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
-3. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+3. Send tcp imix packets [64,1518] from packet generator as common step2, and then check the throughput can get expected data::
 
-       testpmd> show port stats all
+	testpmd> show port stats all
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-       testpmd> stop
+	testpmd> stop
 
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+6. Restart vhost port and send imix packets again, then check the throuhput can get expected data::
 
-       testpmd> start
-       testpmd> show port stats all
+	testpmd> start
+	testpmd> show port stats all
 
 7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,queues=8 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=1,queues=8 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8 \
-       -- -i --enable-hw-vlan-strip --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,queues=8 \
+	-- -i --enable-hw-vlan-strip --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=8 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 11. Quit all testpmd and relaunch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=3 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Rerun steps 4-6.
-
-13. Quit all testpmd and relaunch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-14. Rerun steps 7.
+12. Rerun steps 7.
 
-15. Quit all testpmd and relaunch vhost with iova=pa by below command::
+13. Quit all testpmd and relaunch vhost with iova=pa by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-16. Rerun steps 7.
+14. Rerun steps 8.
 
-Test Case 4: PVP split ring all path vhost enqueue operations with 1 to N mapping between vrings and CBDMA virtual channels
----------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring in each virtio path when vhost uses
-the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:N.
-Both iova as VA and PA mode have been tested.
+Test Case 3: PVP split ring dynamic queue number vhost async operations with M to N mapping between vrings and CBDMA virtual channels
+-------------------------------------------------------------------------------------------------------------------------------------
+This case tests if the vhost-user async operation with cbdma channels can work normally when the queue number of split ring dynamic change. Both iova as VA and PA mode have been tested.
 
 1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
 
-2. Launch vhost by below command::
+2. Launch vhost by below command(1:N mapping)::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir>#./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=va -- -i --nb-cores=2 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore12@0000:00:04.4,lcore12@0000:00:04.5,lcore12@0000:00:04.6,lcore12@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-3. Launch virtio-user with inorder mergeable path::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+3. Launch virtio-user by below command::
 
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+	<dpdk dir>#./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=8,server=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd>set fwd csum
+	testpmd>start
 
-       testpmd> show port stats all
+4. Send tcp imix packets[64,1518] from packet generator with random ip, check perforamnce can get target.
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-       testpmd> stop
+	testpmd>stop
 
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+6. Quit and relaunch vhost without CBDMA::
 
-       testpmd> start
-       testpmd> show port stats all
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1' \
+	--iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
+7. Rerun step 4-5.
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+8. Quit and relaunch vhost by below command::
 
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[rxq0;rxq1;rxq2;rxq3]' \
+	--iova=va -- -i --nb-cores=4 --txq=4 --rxq=4 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+9. Rerun step 4-5.
 
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
+10. Quit and relaunch vhost with M:N mapping between vrings and CBDMA virtual channels::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=1 \
-       -- -i --enable-hw-vlan-strip --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=2 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3,lcore12@0000:00:04.4,lcore12@0000:00:04.5,lcore12@0000:00:04.6,lcore12@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
+11. Rerun step 4-5.
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+12. Quit and relaunch vhost with diff mapping between vrings and CBDMA virtual channels::
 
-11. Quit all testpmd and relaunch vhost with iova=pa by below command::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore13@0000:00:04.3,lcore13@0000:00:04.4,lcore13@0000:00:04.5,lcore13@0000:00:04.6,lcore14@0000:00:04.4,lcore14@0000:00:04.5,lcore14@0000:00:04.6,lcore14@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+13. Start vhost port and rerun step 4-5.
 
-12. Rerun steps 9.
+14. Quit and relaunch virtio-user by below command::
 
-Test Case 5: PVP split ring all path multi-queues vhost enqueue operations with M to N mapping between vrings and CBDMA virtual channels
-----------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is M:N.
-Both iova as VA and PA mode have been tested.
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,queues=8,server=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd>set fwd csum
+	testpmd>start
 
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
-
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user with inorder mergeable path::
+15. Rerun step 4-5.
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+16. Quit and relaunch vhost with iova=pa by below command::
 
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 \
+	-a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=pa -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-       testpmd> show port stats all
+17. Rerun step 4-5.
 
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
-
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
-
-       testpmd> start
-       testpmd> show port stats all
-
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8 \
-       -- -i --enable-hw-vlan-strip --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,vectorized=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-11. Quit all testpmd and relaunch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Rerun steps 8.
-
-13. Quit all testpmd and relaunch vhost with iova=pa by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-14. Rerun steps 10.
-
-Test Case 6: PVP split ring dynamic queue number vhost enqueue operations with M to N mapping between vrings and CBDMA virtual channels
+Test Case 4: PVP packed ring all path multi-queues vhost async operations with 1 to 1 mapping between vrings and CBDMA virtual channels
 ---------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of split ring when vhost uses the asynchronous enqueue operations
-and if the vhost-user can work well when the queue number dynamic change. Both iova as VA and PA mode have been tested.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
+This case tests packed ring in each virtio path with multi-queues can work normally when vhost uses the asynchronous enqueue and dequeue operations
+and the mapping between vrings and CBDMA virtual channels is 1:1. Both iova as VA and PA mode have been tested.
 
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1' \
-       --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8,server=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
-
-       testpmd> show port stats all
-
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log.
-
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
-
-       testpmd> start
-       testpmd> show port stats all
-
-7. Quit and relaunch vhost with 1:1 mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3]' \
-       --iova=va -- -i --nb-cores=4 --txq=4 --rxq=4 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Quit and relaunch vhost with M:N(1:N;M<N) mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18  --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq6;txq7]' \
-       --iova=va -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.7,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3,lcore13@0000:00:04.2,lcore13@0000:00:04.3,lcore13@0000:00:04.4,lcore14@0000:00:04.2,lcore14@0000:00:04.3,lcore14@0000:00:04.4,lcore14@0000:00:04.5,lcore15@0000:00:04.0,lcore15@0000:00:04.1,lcore15@0000:00:04.2,lcore15@0000:00:04.3,lcore15@0000:00:04.4,lcore15@0000:00:04.5,lcore15@0000:00:04.6,lcore15@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Quit and relaunch vhost with diff M:N(M:1;M>N) mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6]' \
-       --iova=va -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
-       testpmd> set fwd mac
-       testpmd> start
-
-10. Quit and relaunch vhost with iova=pa by below command, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \
-       --iova=pa -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
-       testpmd> set fwd mac
-       testpmd> start
-
-Test Case 7: PVP packed ring all path vhost enqueue operations with 1 to 1 mapping between vrings and CBDMA virtual channels
-----------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring in each virtio path with 1 core and 1 queue
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:1.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 1 CBDMA device to vfio-pci, as common step 1.
+1. Bind 1 NIC port and 4 CBDMA devices to vfio-pci, as common step 1.
 
 2. Launch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost  -a 0000:18:00.0 -a 0000:00:04.0
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
+	-a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=2,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=va -- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
 3. Launch virtio-user with inorder mergeable path::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=2,packed_vq=1 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+4. Send tcp imix packets [64,1518] from packet generator as common step2, and then check the throughput can get expected data::
 
-       testpmd> show port stats all
+	testpmd> show port stats all
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-       testpmd> stop
+	testpmd> stop
 
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+6. Restart vhost port and send imix packets again, then check the throuhput can get expected data::
 
-       testpmd> start
-       testpmd> show port stats all
+	testpmd> start
+	testpmd> show port stats all
 
 7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,queues=2,packed_vq=1 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=1,queues=2,packed_vq=1 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,queues=2,packed_vq=1 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=2 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 .. note::
 
-   If building and running environment support (AVX512 || NEON) && in-order feature is negotiated && Rx mergeable
-   is not negotiated && TCP_LRO Rx offloading is disabled && vectorized option enabled, packed virtqueue vectorized Rx path will be selected.
-
-11. Relaunch virtio-user with vectorized path and ring size is not power of 2, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=1,queue_size=1025 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1025 --rxd=1025
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Quit all testpmd and relaunch vhost with iova=pa by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Rerun steps 3-6.
-
-Test Case 8: PVP packed ring all path multi-queues vhost enqueue operations with 1 to 1 mapping between vrings and CBDMA virtual channels
------------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:1.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
-
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3,lcore15@0000:00:04.4,lcore16@0000:00:04.5,lcore17@0000:00:04.6,lcore18@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user with inorder mergeable path::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
-
-       testpmd> show port stats all
-
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
-
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
-
-       testpmd> start
-       testpmd> show port stats all
-
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	If building and running environment support (AVX512 || NEON) && in-order feature is negotiated && Rx mergeable
+	is not negotiated && TCP_LRO Rx offloading is disabled && vectorized option enabled, packed virtqueue vectorized Rx path will be selected.
 
 11. Relaunch virtio-user with vectorized path and ring size is not power of 2, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8,queue_size=1025 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1025 --rxd=1025
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=2,queue_size=1025 \
+	-- -i --nb-cores=1 --txq=2 --rxq=2 --txd=1025 --rxd=1025
+	testpmd> set fwd csum
+	testpmd> start
 
 12. Quit all testpmd and relaunch vhost with iova=pa by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3,lcore15@0000:00:04.4,lcore16@0000:00:04.5,lcore17@0000:00:04.6,lcore18@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
+	-a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=2,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=pa -- -i --nb-cores=2 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-13. Rerun step 7.
+13. Rerun steps 3-6.
 
-Test Case 9: PVP packed ring all path multi-queues vhost enqueue operations with M to 1 mapping between vrings and CBDMA virtual channels
------------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is M:1.
-Both iova as VA and PA mode have been tested.
+Test Case 5: PVP packed ring all path multi-queues vhost async operations with M to 1 mapping between vrings and CBDMA virtual channels
+---------------------------------------------------------------------------------------------------------------------------------------
+This case tests packed ring in each virtio path with multi-queues can work normally when vhost uses the asynchronous enqueue and dequeue operations
+and the mapping between vrings and CBDMA virtual channels is M:1. Both iova as VA and PA mode have been tested.
 
-1. Bind 1 NIC port and 1 CBDMA device to vfio-pci, as common step 1.
+1. Bind 1 NIC port and 4 CBDMA devices to vfio-pci, as common step 1.
 
 2. Launch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
 3. Launch virtio-user with inorder mergeable path::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=8,packed_vq=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+4. Send tcp imix packets [64,1518] from packet generator as common step2, and then check the throughput can get expected data::
 
-       testpmd> show port stats all
+	testpmd> show port stats all
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-       testpmd> stop
+	testpmd> stop
 
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+6. Restart vhost port and send imix packets again, then check the throuhput can get expected data::
 
-       testpmd> start
-       testpmd> show port stats all
+	testpmd> start
+	testpmd> show port stats all
 
 7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,queues=8,packed_vq=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=1,queues=8,packed_vq=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,queues=8,packed_vq=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
 11. Relaunch virtio-user with vectorized path and ring size is not power of 2, then repeat step 4-6::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8,queue_size=1025 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1025 --rxd=1025
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8,queue_size=1025 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1025 --rxd=1025
+	testpmd> set fwd csum
+	testpmd> start
 
 12. Quit all testpmd and relaunch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=3 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
-
-13. Rerun steps 3-6.
-
-14. Quit all testpmd and relaunch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
-
-15. Rerun steps 7.
-
-16. Quit all testpmd and relaunch vhost with iova=pa by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
-       testpmd> set fwd mac
-       testpmd> start
-
-17. Rerun steps 8.
-
-Test Case 10: PVP packed ring all path vhost enqueue operations with 1 to N mapping between vrings and CBDMA virtual channels
------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring in each virtio path when vhost uses
-the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is 1:N.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
-
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user with inorder mergeable path::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
-
-       testpmd> show port stats all
-
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
-
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-       testpmd> start
-       testpmd> show port stats all
-
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=1,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,packed_vq=1,vectorized=1,queues=1 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-11. Relaunch virtio-user with vectorized path and ring size is not power of 2, then repeat step 3::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,packed_vq=1,vectorized=1,queues=1,queue_size=1025 \
-       -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1025 --rxd=1025
-       testpmd> set fwd mac
-       testpmd> start
+13. Rerun steps 7.
 
-12. Quit all testpmd and relaunch vhost with iova=pa by below command::
+14. Quit all testpmd and relaunch vhost with iova=pa by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=1,dmas=[txq0],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=pa -- -i --nb-cores=8 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.0,lcore14@0000:00:04.0,lcore15@0000:00:04.0,lcore16@0000:00:04.0,lcore17@0000:00:04.0,lcore18@0000:00:04.0]
+	testpmd> port config all rss ipv4-tcp
+	testpmd> set fwd mac
+	testpmd> start
 
-13. Rerun steps 9.
+15. Rerun steps 8.
 
-Test Case 11: PVP packed ring all path multi-queues vhost enqueue operations with M to N mapping between vrings and CBDMA virtual channels
-------------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring in each virtio path with multi-queues
-when vhost uses the asynchronous enqueue operations and the mapping between vrings and CBDMA virtual channels is M:N.
-Both iova as VA and PA mode have been tested.
+Test Case 6: PVP packed ring dynamic queue number vhost async operations with M to N mapping between vrings and CBDMA virtual channels
+--------------------------------------------------------------------------------------------------------------------------------------
+This case tests if the vhost-user async operation with cbdma channles can work normally when the queue number of split ring dynamic change. Both iova as VA and PA mode have been tested.
 
 1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
 
-2. Launch vhost by below command::
+2. Launch vhost by below command(1:N mapping)::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;rxq0;rxq1]' \
+	--iova=va -- -i --nb-cores=2 --txq=2 --rxq=2 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore12@0000:00:04.4,lcore12@0000:00:04.5,lcore12@0000:00:04.6,lcore12@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-3. Launch virtio-user with inorder mergeable path::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+3. Launch virtio-user by below command::
 
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=1,queues=8,server=1,packed_vq=1 \
+	-- -i  --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd> set fwd csum
+	testpmd> start
 
-       testpmd> show port stats all
+4. Send tcp imix packets[64,1518] from packet generator with random ip, check perforamnce can get target.
 
 5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
 
-       testpmd> stop
-
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
-
-       testpmd> start
-       testpmd> show port stats all
-
-7. Relaunch virtio-user with mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-8. Relaunch virtio-user with inorder non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=1,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-9. Relaunch virtio-user with non-mergeable path, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,queues=8,packed_vq=1 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-10. Relaunch virtio-user with vectorized path, then repeat step 4-6::
+	testpmd>stop
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8, \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
+6. Quit and relaunch vhost without CBDMA::
 
-11. Relaunch virtio-user with vectorized path and ring size is not power of 2, then repeat step 4-6::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio --force-max-simd-bitwidth=512 \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=0,in_order=0,packed_vq=1,vectorized=1,queues=8,queue_size=1025 \
-       -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1025 --rxd=1025
-       testpmd> set fwd mac
-       testpmd> start
-
-12. Quit all testpmd and relaunch vhost by below command::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1' \
+	--iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=va -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+7. Rerun step 4-5.
 
-13. Rerun steps 7.
-
-14. Quit all testpmd and relaunch vhost with iova=pa by below command::
+8. Quit and relaunch vhost by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7],dma_ring_size=2048' \
-       --iova=pa -- -i --nb-cores=1 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore11@0000:00:04.2,lcore11@0000:00:04.3,lcore11@0000:00:04.4,lcore11@0000:00:04.5,lcore11@0000:00:04.6,lcore11@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[rxq0;rxq1;rxq2;rxq3]' \
+	--iova=va -- -i --nb-cores=4 --txq=4 --rxq=4 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-15. Rerun steps 9.
-
-Test Case 12: PVP packed ring dynamic queue number vhost enqueue operations with M to N mapping between vrings and CBDMA virtual channels
------------------------------------------------------------------------------------------------------------------------------------------
-This case uses testpmd and Traffic Generator(For example, Trex) to test performance of packed ring when vhost uses the asynchronous enqueue operations
-and if the vhost-user can work well when the queue number dynamic change. Both iova as VA and PA mode have been tested.
-Both iova as VA and PA mode have been tested.
-
-1. Bind 1 NIC port and 8 CBDMA devices to vfio-pci, as common step 1.
-
-2. Launch vhost by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1' \
-        --iova=va -- -i --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-3. Launch virtio-user by below command::
-
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-3 --no-pci --file-prefix=virtio \
-       --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/vhost_net0,mrg_rxbuf=1,in_order=1,queues=1,server=1,packed_vq=1 \
-       -- -i  --nb-cores=1 --txq=1 --rxq=1 --txd=1024 --rxd=1024
-       testpmd> set fwd mac
-       testpmd> start
-
-4. Send imix packets [64,1518] from packet generator as common step2, and check the throughput can get expected data::
-
-       testpmd> show port stats all
-
-5. Stop vhost port, check that there are packets in both directions of RX and TX in each queue from vhost log::
+9. Rerun step 4-5.
 
-       testpmd> stop
+10. Quit and relaunch vhost with M:N mapping between vrings and CBDMA virtual channels::
 
-6. Restart vhost port and send imix pkts again, then check the throught can get expected data::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--file-prefix=vhost --vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=2 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.1,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3,lcore12@0000:00:04.4,lcore12@0000:00:04.5,lcore12@0000:00:04.6,lcore12@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-       testpmd> start
-       testpmd> show port stats all
+11. Rerun step 4-5.
 
-7. Quit and relaunch vhost with 1:1 mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
+12. Quit and relaunch vhost with diff mapping between vrings and CBDMA virtual channels::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18  --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 \
-        --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3]' \
-       --iova=va -- -i --nb-cores=4 --txq=4 --rxq=4 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.3]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=va -- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore13@0000:00:04.3,lcore13@0000:00:04.4,lcore13@0000:00:04.5,lcore13@0000:00:04.6,lcore14@0000:00:04.4,lcore14@0000:00:04.5,lcore14@0000:00:04.6,lcore14@0000:00:04.7]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-9. Quit and relaunch vhost with M:N(1:N;M<N) mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
+13. Start vhost port and rerun step 4-5.
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 -a 0000:00:04.3 -a 0000:00:04.4 -a 0000:00:04.5 -a 0000:00:04.6 -a 0000:00:04.7 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq6;txq7]' \
-       --iova=va -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore11@0000:00:04.7,lcore12@0000:00:04.1,lcore12@0000:00:04.2,lcore12@0000:00:04.3,lcore13@0000:00:04.2,lcore13@0000:00:04.3,lcore13@0000:00:04.4,lcore14@0000:00:04.2,lcore14@0000:00:04.3,lcore14@0000:00:04.4,lcore14@0000:00:04.5,lcore15@0000:00:04.0,lcore15@0000:00:04.1,lcore15@0000:00:04.2,lcore15@0000:00:04.3,lcore15@0000:00:04.4,lcore15@0000:00:04.5,lcore15@0000:00:04.6,lcore15@0000:00:04.7]
-       testpmd> set fwd mac
-       testpmd> start
+14. Quit and relaunch virtio-user by below command::
 
-11. Quit and relaunch vhost with diff M:N(M:1;M>N) mapping between vrings and CBDMA virtual channels, then repeat step 4-6::
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 2-6 --no-pci --file-prefix=virtio \
+	--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=vhost-net0,mrg_rxbuf=1,in_order=0,packed=on,queues=8,server=1 \
+	-- -i --nb-cores=4 --txq=8 --rxq=8 --txd=1024 --rxd=1024
+	testpmd>set fwd csum
+	testpmd>start
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6]' \
-       --iova=va -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
-       testpmd> set fwd mac
-       testpmd> start
+15. Rerun step 4-5.
 
-13. Quit and relaunch vhost with iova=pa by below command::
+16. Quit and relaunch vhost with iova=pa by below command::
 
-       <dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost \
-       -a 0000:18:00.0 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
-       --vdev 'net_vhost0,iface=/tmp/vhost_net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7]' \
-       --iova=pa -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
-       --lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
-       testpmd> set fwd mac
-       testpmd> start
+	<dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -n 4 -l 10-18 --file-prefix=vhost -a 0000:18:00.0 \
+	-a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \
+	--vdev 'net_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7]' \
+	--iova=pa -- -i --nb-cores=5 --txq=8 --rxq=8 --txd=1024 --rxd=1024 \
+	--lcore-dma=[lcore11@0000:00:04.0,lcore12@0000:00:04.0,lcore13@0000:00:04.1,lcore13@0000:00:04.2,lcore14@0000:00:04.1,lcore14@0000:00:04.2,lcore15@0000:00:04.1,lcore15@0000:00:04.2]
+	testpmd> port config all rss ipv4-tcp
+	testpmd>set fwd mac
+	testpmd>start
 
-14. Rerun step 4-6.
+17. Rerun step 4-5.
-- 
2.25.1


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