From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <shreyansh.jain@nxp.com> Received: from NAM03-CO1-obe.outbound.protection.outlook.com (mail-co1nam03on0061.outbound.protection.outlook.com [104.47.40.61]) by dpdk.org (Postfix) with ESMTP id 9904D54AF for <dev@dpdk.org>; Wed, 16 Nov 2016 06:07:04 +0100 (CET) Received: from BN6PR03CA0016.namprd03.prod.outlook.com (10.168.230.154) by BN1PR0301MB0737.namprd03.prod.outlook.com (10.160.78.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.721.10; Wed, 16 Nov 2016 05:07:03 +0000 Received: from BN1BFFO11OLC004.protection.gbl (2a01:111:f400:7c10::1:137) by BN6PR03CA0016.outlook.office365.com (2603:10b6:404:23::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.721.10 via Frontend Transport; Wed, 16 Nov 2016 05:07:03 +0000 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=fail action=none header.from=nxp.com; Received-SPF: Fail (protection.outlook.com: domain of nxp.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11OLC004.mail.protection.outlook.com (10.58.145.15) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.721.5 via Frontend Transport; Wed, 16 Nov 2016 05:07:02 +0000 X-IncomingTopHeaderMarker: OriginalChecksum:; UpperCasedChecksum:; SizeAsReceived:1110; Count:13 Received: from [10.232.14.87] ([10.232.14.87]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id uAG56wVV004410; Tue, 15 Nov 2016 22:07:00 -0700 To: Ferruh Yigit <ferruh.yigit@intel.com> References: <b81216f4-bb8e-81ec-f727-168fff11f0dd@nxp.com> <CALwxeUv7aC-5AHGs6xW9B-7hR7mU4P2oCz13ReSNBKYNiq7puw@mail.gmail.com> <86ece536-1574-6d84-661e-9b9e77180344@nxp.com> <1a19615c-1121-fed4-b34f-aa0f4b654085@intel.com> <DB5PR0401MB2054B1B4C5EC1BA8412E8B4090BA0@DB5PR0401MB2054.eurprd04.prod.outlook.com> <1706a89e-7aa0-6a9d-401b-7529026f8589@intel.com> CC: David Marchand <david.marchand@6wind.com>, "dev@dpdk.org" <dev@dpdk.org> From: Shreyansh Jain <shreyansh.jain@nxp.com> Message-ID: <f739c66a-85b9-743d-73eb-cb62848bc83c@nxp.com> Date: Wed, 16 Nov 2016 10:39:15 +0530 User-Agent: Mozilla/5.0 (X11; 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN1PR0301MB0737 Subject: Re: [dpdk-dev] Clarification for eth_driver changes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Wed, 16 Nov 2016 05:07:05 -0000 On Monday 14 November 2016 11:08 PM, Ferruh Yigit wrote: [...] > What I was thinking is: > > rte_device/driver are not abstract classes. > > rte_bus device/driver is an abstract class and any bus inherited from > this class. > rte_func device/driver is and abstract class and eth/crypto inherited > from this class. > > eal layer only deal with rte_bus > pmd's only deal with functional device/driver > > but still, it is required to know device <-> driver, and functional <-> > bus, relations. rte_dev/rte_driver are to provide this links. > > But yes this add extra layer and with second thought I am not sure if it > is really possible to separate bus and functionality, this was just an > idea .. [...] I understand your point. It would really nice if we can achieve that level pluggable-ness where drivers would be able to choose a 'profile' - where 'profiles' are like net/crypto etc. In your text, profile==functionality. Maybe once the basic model is in place, we can revisit this idea. - Shreyansh