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Re: [PATCH] app/testpmd:add vxlan txonly Content-Language: en-US To: wushaohua , dev@dpdk.org Cc: aman.deep.singh@intel.com, yuying.zhang@intel.com, Keith Wiles , "techboard@dpdk.org" References: <20230103023027.1893801-1-wushaohua@chinatelecom.cn> <4d7f1677-b64e-add2-cc5f-fdc37467e1ab@chinatelecom.cn> From: Ferruh Yigit In-Reply-To: <4d7f1677-b64e-add2-cc5f-fdc37467e1ab@chinatelecom.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: LO4P123CA0286.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:195::21) To CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB4294:EE_|IA1PR12MB6114:EE_ X-MS-Office365-Filtering-Correlation-Id: e4ef23b7-7933-4c9e-3eb8-08db120afa0a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 2/18/2023 11:06 AM, wushaohua wrote: > > 在 2023/2/18 4:43, Ferruh Yigit 写道: >> On 1/3/2023 2:30 AM, wushaohua@chinatelecom.cn wrote: >>> From: Shaohua Wu >>> >>> Add the vxlan packet sending module to actively send >>> vxlan packets using a common network adapter. >>> The default vni is 1000. >>> example: >>> ./dpdk-testpmd -l 32-47 -n 16 --file-prefix pg0 -- -i >>> --rxq=16 --txq=16 --rxd=1024 --txd=1024 >>> --txpkts=64 --burst=64 --mbuf-size=4096 >>> --nb-cores=15 --underlay_tx_only >>> --underlay-eth-peer=0,f0:00:00:00:00:66 >>> --eth-peer=0,08:c0:eb:3e:87:af >>> --utx-ip=11.0.0.1,11.0.0.2 >>> --tx-ip=30.0.0.1,30.0.0.2 >>> --forward-mode=tuntxonly >>> --txonly-multi-flow >>> >>> Signed-off-by: Shaohua Wu >> Hi Shaohua, >> >> This is a good feature but I am not sure if this is in the scope of >> testpmd application. >> >> Testpmd has basic packet generation capabilities, and it is useful for >> quick/dirty testing, but for more advanced packet generation perhaps >> other tools like pktgen [1] can be used, what do you think? >> >> What is the justification to have this feature in testpmd, and what is >> your usecase? >> >> >> [1] >> https://git.dpdk.org/apps/pktgen-dpdk/ > > Hi Ferruh， > > Thank you for your review.From what I know now pktgen doesn't seem to support the construction of vxlan packets. > I was asking if it makes sense to add this support to pktgen, instead of testpmd. > In a real test scenario, testpmd only sends bare packets and cannot cover test scenarios, such as ovs decap performance. > Currently, testpmd of this patch is used, and the packet sending performance is 22+Mpps with a 25G network adapter. > > This is necessary for testing DPU devices or virtualization scenarios. >