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Mon, 9 Oct 2017 13:06:29 +0000 From: Nipun Gupta To: Jerin Jacob , Nikhil Rao CC: "bruce.richardson@intel.com" , "dev@dpdk.org" , Hemant Agrawal Thread-Topic: [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter Thread-Index: AQHTQPwqzTGSquN6GEWXOboaal+zN6Lbds7g Date: Mon, 9 Oct 2017 13:06:29 +0000 Message-ID: References: <1507324201-3517-1-git-send-email-nikhil.rao@intel.com> <20171009124247.GG654@jerin> In-Reply-To: <20171009124247.GG654@jerin> 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=nipun.gupta@nxp.com; x-originating-ip: [192.88.169.1] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DB3PR04MB0761; 6:UAED/Twfpv4A9wq47kcMgXZMt1WTOc8LEfVNIXgN298TYktJ3GtFSO04uEpc9kGLLA2IU8JQqMDWUzdSNSHigwIjMPexr2ait6Ft3/1vtCLKDrUKszztyTJSzxWibXO3+lJVLq1FJAfNt9QuG/4OfCDdbIEjUHgcAcBnZ7hPUOPX8qkxaaxWzmSwQwzCEM3LfrLrGUyv2jhhWCpwEXGizF8NZYlUiUeS1T4paolFfwiBM3COJzzj2V6v0q+4igo4L4qoyVa9U9/sNpU8y1VaRSY8kHc0Su+Hdudsv8XfTTcXcr8YmMacL/v7BMmACUVaSuR0VG1Kfpu/V6mwnm++3Q==; 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SRVR:DB3PR04MB0761; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:DB3PR04MB0761; x-forefront-prvs: 045584D28C received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Oct 2017 13:06:29.5374 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR04MB0761 Subject: Re: [dpdk-dev] [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter 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: Mon, 09 Oct 2017 13:06:32 -0000 > -----Original Message----- > From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com] > Sent: Monday, October 09, 2017 18:13 > To: Nikhil Rao > Cc: bruce.richardson@intel.com; dev@dpdk.org; Hemant Agrawal > ; Nipun Gupta > Subject: Re: [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter >=20 > -----Original Message----- > > Date: Sat, 7 Oct 2017 02:39:54 +0530 > > From: Nikhil Rao > > To: jerin.jacob@caviumnetworks.com, bruce.richardson@intel.com > > CC: dev@dpdk.org > > Subject: [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter > > X-Mailer: git-send-email 2.7.4 > > > > Eventdev-based networking applications require a component to dequeue > > packets from NIC Rx queues and inject them into eventdev queues[1]. Whi= le > > some platforms (e.g. Cavium Octeontx) do this operation in hardware, ot= her > > platforms use software. > > > > This patchset introduces an ethernet Rx event adapter that dequeues pac= kets > > from ethernet devices and enqueues them to event devices. This patch is > based on > > a previous RFC[2] and supercedes [3], the main difference being that > > this version implements a common abstraction for HW and SW based packet > transfers. > > > > The adapter is designed to work with the EAL service core[4] for SW bas= ed > > packet transfers. An eventdev PMD callback is used to determine that SW > > based packet transfer service is required. The application can discover > > and configure the service with a core mask using rte_service APIs. > > > > The adapter can service multiple ethernet devices and queues. For SW ba= sed > > packet transfers each queue is configured with a servicing weight to > > control the relative frequency with which the adapter polls the queue, > > and the event fields to use when constructing packet events. The adapte= r > > has two modes for programming an event's flow ID: use a static per-queu= e > > user-specified value or use the RSS hash. >=20 > Hi Nikhil, >=20 > - Please re base to dpdk-next-eventdev > - There is one check-git-long error. Please fix it > Wrong headline lowercase: > eventdev: add event type for eth rx adapter > - You are planning to send the programmer guide with version. Right? > Are planning to send now or post RC1 ? >=20 > - For it looks OK to pull in next-eventdev, after fixing the > http://dpdk.org/ml/archives/dev/2017-October/077915.html and exiting > comments >=20 > CC: Hemant Agrawal > CC: Nipun Gupta >=20 > Does any have any objection to pull this in RC1 if Nikhil sends the next > version in time? Looks fine with us. Also, we will be sending a patch to support NXP event a= dapter implementation based on this soon.