From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 545FCA034C; Fri, 29 Apr 2022 10:13:30 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4ACBC4161A; Fri, 29 Apr 2022 10:13:30 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mails.dpdk.org (Postfix) with ESMTP id 12722410E3 for ; Fri, 29 Apr 2022 10:13:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651220008; x=1682756008; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=j2zqcpiuav7mhIISSKqRat2bR96zDHgaGO5Lp+9e/gI=; b=C9o83xwia4D+snNn+OTYFeCe6R0/i6pWa+fYYDUnPLOvzWMbavNCpTmr Ysk7EdcXBKI5s/y8VYEkTUcyLycLuOkXaFcZMXbWHsch/5w5WyzMJ/bZ4 0AhWiPwKlwCJpZp5z4GpF9JCOM2L0jYAQtxLmlkSKrsGZOa+DhMCfTN/3 JbTlKEkhxNNHeXVai+r4HwXQsYw7SqPyKlEJS/df9RCznrJ40up7AKSC5 7M74gwyYLF3IGRchBrYE0FMSqYEvNj7gwffxai1OlPzSd6IQabbHBW58a zo8z0r/n68orAWxjmmrUB94INIJYSmYQq6vEHBuBnh4LOaUyhdKnNtTKL Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10331"; a="291741033" X-IronPort-AV: E=Sophos;i="5.91,297,1647327600"; d="scan'208";a="291741033" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2022 01:13:26 -0700 X-IronPort-AV: E=Sophos;i="5.91,297,1647327600"; d="scan'208";a="731951138" Received: from unknown (HELO localhost.localdomain) ([10.239.251.222]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2022 01:13:24 -0700 From: Wei Ling To: dts@dpdk.org Cc: Wei Ling Subject: [dts][PATCH V2 2/3] test_plans/loopback_virtio_user_server_mode_cbdma_test_plan: add add loopback_virtio_user_server_mode_cbdma testplan Date: Fri, 29 Apr 2022 08:13:10 +0000 Message-Id: <20220429081310.21791-1-weix.ling@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org v1: As commit 53d3f4778c(vhost: integrate dmadev in asynchronous data-path), add new testsuite loopback_virtio_user_server_mode_cbdma for coverage the loopback virtio-user server mode with cbdma. 1) Add new testplan loopback_virtio_user_server_mode_cbdma_test_plan into test_plans. v2: Modify the `Description` content in test_plan. Signed-off-by: Wei Ling --- ...irtio_user_server_mode_cbdma_test_plan.rst | 385 ++++++++++++++++++ 1 file changed, 385 insertions(+) create mode 100644 test_plans/loopback_virtio_user_server_mode_cbdma_test_plan.rst diff --git a/test_plans/loopback_virtio_user_server_mode_cbdma_test_plan.rst b/test_plans/loopback_virtio_user_server_mode_cbdma_test_plan.rst new file mode 100644 index 00000000..97ab202a --- /dev/null +++ b/test_plans/loopback_virtio_user_server_mode_cbdma_test_plan.rst @@ -0,0 +1,385 @@ +.. Copyright (c) <2022>, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOgit T LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +============================================================ +Loopback vhost/virtio-user server mode with CBDMA test plan +============================================================ + +Description +=========== + +Vhost asynchronous data path leverages DMA devices to offload memory copies from the CPU and it is implemented in an asynchronous way. +In addition, vhost supports M:N mapping between vrings 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. Vhost enqueue operation with CBDMA channels is supported +in both split and packed ring. + +This document provides the test plan for testing the following features when Vhost-user using asynchronous data path with +CBDMA channels in loopback virtio-user topology. +1. Virtio-user server mode is a feature to enable virtio-user as the server, vhost as the client, thus after vhost-user is killed then relaunched, +virtio-user can reconnect back to vhost-user again; at another hand, virtio-user also can reconnect back to vhost-user after virtio-user is killed. +This feature test need cover different rx/tx paths with virtio 1.0 and virtio 1.1, includes split ring mergeable, non-mergeable, inorder mergeable, +inorder non-mergeable, vector_rx path and packed ring mergeable, non-mergeable, inorder non-mergeable, inorder mergeable, vectorized path. +2. Check payload valid after packets forwarding many times. +3. Stress test with large chain packets. + +Note: +1. When DMA 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. + +For more about dpdk-testpmd sample, please refer to the DPDK docments: +https://doc.dpdk.org/guides/testpmd_app_ug/run_app.html +For virtio-user vdev parameter, you can refer to the DPDK docments: +https://doc.dpdk.org/guides/nics/virtio.html#virtio-paths-selection-and-usage. + +Prerequisites +============= + +Topology +-------- +Test flow: Virtio-user-->Vhost-user-->Testpmd-->Vhost-user-->Virtio-user + +General set up +-------------- +1. Compile DPDK:: + + # CC=gcc meson --werror -Denable_kmods=True -Dlibdir=lib -Dexamples=all --default-library= + # ninja -C -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 + +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 is DMA device ID:: + + # ./usertools/dpdk-devbind.py -s + + 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 + +Test case +========= + +Common steps +------------ +1. Bind 1 NIC port and CBDMA channels to vfio-pci:: + + # ./usertools/dpdk-devbind.py -b vfio-pci + # ./usertools/dpdk-devbind.py -b vfio-pci + + For example, bind 2 CBDMA channels: + # ./usertools/dpdk-devbind.py -b vfio-pci 0000:00:04.0,0000:00:04.1 + +Test Case 1: loopback packed ring all path cbdma test payload check with server mode and multi-queues +----------------------------------------------------------------------------------------------------- +This case tests the payload is valid after forwading large chain packets in loopback vhost-user/virtio-user packed ring +all path multi-queues with server mode when vhost uses the asynchronous enqueue operations with CBDMA channels. Both +iova as VA and PA mode test. + +1. Bind 8 CBDMA channel to vfio-pci, as common step 1. + +2. Launch vhost by below command:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 10-18 -n 4 \ + -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 'eth_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq6;txq7]' \ + --iova=va -- -i --nb-cores=5 --rxq=8 --txq=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] + +3. Launch virtio-user with packed ring mergeable inorder path:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=1,in_order=1,packed_vq=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +4. Attach pdump secondary process to primary process by same file-prefix:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -v --file-prefix=virtio-user0 -- \ + --pdump 'device_id=net_virtio_user1,queue=0,rx-dev=./pdump-virtio-rx-q0.pcap,mbuf-size=8000' \ + --pdump 'device_id=net_virtio_user1,queue=1,rx-dev=./pdump-virtio-rx-q1.pcap,mbuf-size=8000' + +5. Send large pkts from vhost, check loopback performance can get expected and each queue can receive packets:: + + testpmd> set fwd csum + testpmd> set txpkts 64,64,64,2000,2000,2000 + testpmd> set burst 1 + testpmd> start tx_first 1 + testpmd> stop + +6. Quit pdump, check all the packets length are 6192 Byte and the payload in receive packets are same in each pcap file. + +7. Quit and relaunch vhost and rerun step 4-6. + +8. Quit and relaunch virtio with packed ring mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=1,in_order=0,packed_vq=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +9. Rerun steps 4-7. + +10. Quit and relaunch virtio with packed ring non-mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=0,packed_vq=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +11. Rerun step 4. + +12. Send pkts from vhost, check loopback performance can get expected and each queue can receive packets:: + + testpmd> set fwd csum + testpmd> set txpkts 64,128,256,512 + testpmd> set burst 1 + testpmd> start tx_first 1 + testpmd> stop + +13. Quit pdump, check all the packets length are 960 Byte and the payload in receive packets are same in each pcap file. + +14. Quit and relaunch vhost and rerun step 11-13. + +15. Quit and relaunch virtio with packed ring inorder non-mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=1,packed_vq=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +16. Rerun step 11-14. + +17. Quit and relaunch virtio with packed ring vectorized path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci --force-max-simd-bitwidth=512 \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=1,packed_vq=1,vectorized=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +18. Rerun step 11-14. + +19. Quit and relaunch virtio with packed ring vectorized path and ring size is not power of 2 as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci --force-max-simd-bitwidth=512 \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=1,packed_vq=1,vectorized=1,queue_size=1025,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1025 --rxd=1025 + testpmd>set fwd csum + testpmd>start + +20. Rerun step 11-14. + +21. Quit and relaunch vhost w/ iova=pa:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 10-18 -n 4 \ + -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 'eth_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq6;txq7]' \ + --iova=pa -- -i --nb-cores=5 --rxq=8 --txq=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,lcore14@0000:00:04.4,lcore14@0000:00:04.5,lcore15@0000:00:04.6,lcore15@0000:00:04.7] + +22. Rerun steps 3-6. + +Test Case 2: loopback split ring all path cbdma test payload check with server mode and multi-queues +---------------------------------------------------------------------------------------------------- +This case tests the payload is valid after forwading large chain packets in loopback vhost-user/virtio-user split ring +all path multi-queues with server mode when vhost uses the asynchronous enqueue operations with CBDMA channels. Both +iova as VA and PA mode test. + +1. Bind 3 CBDMA channel to vfio-pci, as common step 1. + +2. Launch vhost by below command:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 10-18 -n 4 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6]' \ + --iova=va -- -i --nb-cores=5 --rxq=8 --txq=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] + +3. Launch virtio-user with split ring mergeable inorder path:: + + dpdk dir># ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + -vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=1,in_order=1,server=1 \ + - -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +4. Attach pdump secondary process to primary process by same file-prefix:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-pdump -v --file-prefix=virtio-user0 -- \ + --pdump 'device_id=net_virtio_user1,queue=0,rx-dev=./pdump-virtio-rx-q0.pcap,mbuf-size=8000' \ + --pdump 'device_id=net_virtio_user1,queue=1,rx-dev=./pdump-virtio-rx-q1.pcap,mbuf-size=8000' + +5. Send large pkts from vhost, check loopback performance can get expected and each queue can receive packets:: + + testpmd> set fwd csum + testpmd> set txpkts 64,64,64,2000,2000,2000 + testpmd> set burst 1 + testpmd> start tx_first 1 + testpmd> stop + +6. Quit pdump, check all the packets length are 6192 Byte and the payload in receive packets are same in each pcap file. + +7. Quit and relaunch vhost and rerun step 4-6. + +8. Quit and relaunch virtio with split ring mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=1,in_order=0,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +9. Rerun steps 4-7. + +10. Quit and relaunch virtio with split ring non-mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=0,server=1 \ + -- -i --enable-hw-vlan-strip --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +11. Rerun step 4. + +12. Send pkts from vhost, check loopback performance can get expected and each queue can receive packets:: + + testpmd> set fwd csum + testpmd> set txpkts 64,128,256,512 + testpmd> set burst 1 + testpmd> start tx_first 1 + testpmd> stop + +13. Quit pdump, check all the packets length are 960 Byte and the payload in receive packets are same in each pcap file. + +14. Quit and relaunch vhost and rerun step 11-13. + +15. Quit and relaunch virtio with split ring inorder non-mergeable path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +16. Rerun step 11-14. + +17. Quit and relaunch virtio with split ring vectorized path as below:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=virtio-user0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=8,mrg_rxbuf=0,in_order=0,vectorized=1,server=1 \ + -- -i --nb-cores=1 --rxq=8 --txq=8 --txd=1024 --rxd=1024 + testpmd>set fwd csum + testpmd>start + +18. Rerun step 11-14. + +19. Quit and relaunch vhost w/ iova=pa:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 10-18 -n 4 -a 0000:00:04.0 -a 0000:00:04.1 -a 0000:00:04.2 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=8,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6]' \ + --iova=pa -- -i --nb-cores=5 --rxq=8 --txq=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] + +20. Rerun steps 3-6. + +Test Case 3: loopback split ring large chain packets stress test with server mode and cbdma enqueue +--------------------------------------------------------------------------------------------------- +This is a stress test case about forwading large chain packets in loopback vhost-user/virtio-user split ring with server mode +when vhost uses the asynchronous enqueue operations with CBDMA channels. Both iova as VA and PA mode test. + +1. Bind 1 CBDMA channel to vfio-pci, as common step 1. + +2. Launch vhost by below command:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-3 -n 4 -a 0000:00:04.0 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=1,client=1,dmas=[txq0]' --iova=va -- -i --nb-cores=1 --mbuf-size=65535 --lcore-dma=[lcore3@0000:00:04.0] + +3. Launch virtio and start testpmd:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=testpmd0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=1,server=1,mrg_rxbuf=1,in_order=0,vectorized=1,queue_size=2048 \ + -- -i --rxq=1 --txq=1 --txd=2048 --rxd=2048 --nb-cores=1 + testpmd>start + +4. Send large packets from vhost, check virtio can receive packets:: + + testpmd> set txpkts 65535,65535,65535,65535,65535 + testpmd> start tx_first 32 + testpmd> show port stats all + +5. Stop and quit vhost testpmd and relaunch vhost with iova=pa:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-3 -n 4 -a 0000:00:04.0 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=1,client=1,dmas=[txq0]' --iova=pa -- -i --nb-cores=1 --mbuf-size=65535 --lcore-dma=[lcore3@0000:00:04.0] + +6. Rerun steps 4. + +Test Case 4: loopback packed ring large chain packets stress test with server mode and cbdma enqueue +---------------------------------------------------------------------------------------------------- +This is a stress test case about forwading large chain packets in loopback vhost-user/virtio-user packed ring with server mode +when vhost uses the asynchronous enqueue operations with dsa dpdk driver. Both iova as VA and PA mode test. + +1. Bind 1 CBDMA channel to vfio-pci, as common step 1. + +2. Launch vhost by below command:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-3 -n 4 -a 0000:00:04.0 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=1,dmas=[txq0],client=1' --iova=va -- -i --nb-cores=1 --mbuf-size=65535 --lcore-dma=[lcore3@0000:00:04.0] + +3. Launch virtio and start testpmd:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 30,31 -n 4 --file-prefix=testpmd0 --no-pci \ + --vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=./vhost-net0,queues=1,mrg_rxbuf=1,in_order=0,vectorized=1,packed_vq=1,queue_size=2048,server=1 \ + -- -i --rxq=1 --txq=1 --txd=2048 --rxd=2048 --nb-cores=1 + testpmd>start + +4. Send large packets from vhost, check virtio can receive packets:: + + testpmd> set txpkts 65535,65535,65535,65535,65535 + testpmd> start tx_first 32 + testpmd> show port stats all + +5. Stop and quit vhost testpmd and relaunch vhost with iova=pa:: + + # ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 2-3 -n 4 -a 0000:00:04.0 \ + --vdev 'eth_vhost0,iface=vhost-net0,queues=1,dmas=[txq0],client=1' --iova=pa -- -i --nb-cores=1 --mbuf-size=65535 --lcore-dma=[lcore3@0000:00:04.0] + +6. Rerun steps 4. -- 2.34.1