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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> <20e8dd54-1706-f454-45ce-be2efe1b69f9@amd.com> In-Reply-To: <20e8dd54-1706-f454-45ce-be2efe1b69f9@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: LO4P123CA0150.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:188::11) To CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB4294:EE_|BN9PR12MB5384:EE_ X-MS-Office365-Filtering-Correlation-Id: 67f13f65-3d78-4464-2614-08db2b94f4f8 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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discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 3/6/2023 12:07 PM, Ferruh Yigit wrote: > 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. > Hi Shaohua, This issue is discussed in technical board [1], decision is to not include feature in testpmd, please find details in the meeting notes. [1] https://inbox.dpdk.org/dev/BY3PR18MB4785111EB04ED23CB0CB0107C8BD9@BY3PR18MB4785.namprd18.prod.outlook.com/ >>> 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. >>> >> >