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Fri, 19 Jan 2018 07:09:43 +0000 From: Yongseok Koh To: "Ananyev, Konstantin" CC: "Lu, Wenzhuo" , "Wu, Jingjing" , "dev@dpdk.org" , Jerin Jacob Thread-Topic: [dpdk-dev] [PATCH v2] app/testpmd: make txonly mode generate multiple flows Thread-Index: AQHTkFbiWefytlxUVE2k5i+zc2gb5qN6yEYA Date: Fri, 19 Jan 2018 07:09:43 +0000 Message-ID: References: <20171215211125.39177-1-yskoh@mellanox.com> <20180117181846.3565-1-yskoh@mellanox.com> <2601191342CEEE43887BDE71AB97725886280145@irsmsx105.ger.corp.intel.com> In-Reply-To: <2601191342CEEE43887BDE71AB97725886280145@irsmsx105.ger.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=yskoh@mellanox.com; x-originating-ip: [73.222.116.174] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; VI1PR0501MB2144; 7:LZ5SqKFe6Jjb/VU5vStSXQdnjRy/22jh3IofhkEYifPK82zxFJSM6q/nL+FlxOWr3WDj7TOPcj+iqCV7ip3WDhan3qrAeLqyM24OOcWNsADTOlZ+uy/zg7GHr0RZe1H9E5NGYfT3sYEccKnpd/UOCyzKLxvRNSE0J2XvRDuZvQGXPZxQ8sGj4o7oAXwDCuGkf7yM18T1BPy9RxUbi26dxOeR4eyToYg5xMpTfIWsGk/f6Ko3EdjS0Zu9PfWU6U88 x-ms-exchange-antispam-srfa-diagnostics: SSOS; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR0501MB2144; H:VI1PR0501MB2045.eurprd05.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: +rdXsJsDT6jT9/vYJW/rL4gu5HNB/amkGGhrm5XDGceNSYBu67eJCb2iRkpjJ54zd3QzgXJFGLeplBXW7ve9EQ== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <74A420326A5ABD40A890B74BCE40BE9C@eurprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 006e25a6-3f0c-4da0-94c2-08d55f0b9d90 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jan 2018 07:09:43.4476 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0501MB2144 Subject: Re: [dpdk-dev] [PATCH v2] app/testpmd: make txonly mode generate multiple flows X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jan 2018 07:09:45 -0000 > On Jan 18, 2018, at 4:21 AM, Ananyev, Konstantin wrote: >=20 > Hi, >=20 >> -----Original Message----- >> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Yongseok Koh >> Sent: Wednesday, January 17, 2018 6:19 PM >> To: Lu, Wenzhuo ; Wu, Jingjing >> Cc: dev@dpdk.org; Yongseok Koh >> Subject: [dpdk-dev] [PATCH v2] app/testpmd: make txonly mode generate mu= ltiple flows >>=20 >> Testpmd can generate multiple flows without taking much cost and this co= uld >> be a simple traffic generator for developer's quick tests. IP destinatio= n >> address is varied. >=20 > Correct me if I am wrong - but that the change of existing behavior. > Without any announcement and without ability to the user to keep > current one (command-line option, new CLI command, etc.). > What if there are people who rely on existing behavior > (some test scripts or so)? > Konstantin Good point. But I think it is unlikely. Currently, it generates single fat = flow and if someone uses it for testing, then Rx side likely uses single core. E= ven if it gets to generate multiple flows, it would be same to such a case. However, it is my speculation. If you disagree anyway, I'll stash it for 18= .05 and add a new knob to enable it. I'm okay with that because it is just for convenience, not an urgent issue. Thanks, Yongseok