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Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] app/testpmd:add vxlan txonly Content-Language: en-US From: Ferruh Yigit 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> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: LO4P123CA0100.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:191::15) To CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB4294:EE_|DM4PR12MB5722:EE_ X-MS-Office365-Filtering-Correlation-Id: 8b9cc1f1-8aaa-4395-1999-08db1e3b6811 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 11:47 PM, Ferruh Yigit wrote: > 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. > I would be great to get some feedback from techboard. >> 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. >> >