From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ferruh.yigit@intel.com> Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 4AFBF37B0 for <users@dpdk.org>; Tue, 12 Mar 2019 11:39:26 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Mar 2019 03:39:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,471,1544515200"; d="scan'208";a="121956170" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.46]) ([10.237.221.46]) by orsmga007.jf.intel.com with ESMTP; 12 Mar 2019 03:39:24 -0700 To: Changchun Zhang <changchun.zhang@oracle.com>, "Trahe, Fiona" <fiona.trahe@intel.com>, users@dpdk.org References: <5c763c14-4203-4024-9e81-5ff4de387ac5@default> <348A99DA5F5B7549AA880327E580B4358970F0C8@IRSMSX101.ger.corp.intel.com> <2e0a0ee6-e626-415f-82ec-2eeffc0f7048@default> <f65c965b-1b44-5864-956b-618dc164e46c@intel.com> <652cea74-2d34-4d5f-9e2b-b9d9806b6515@default> From: Ferruh Yigit <ferruh.yigit@intel.com> Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.3 MIME-Version: 1.0 In-Reply-To: <652cea74-2d34-4d5f-9e2b-b9d9806b6515@default> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions <users.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/users>, <mailto:users-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/users/> List-Post: <mailto:users@dpdk.org> List-Help: <mailto:users-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/users>, <mailto:users-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 12 Mar 2019 10:39:27 -0000 On 3/11/2019 3:59 PM, Changchun Zhang wrote: > Thanks! > So igb_uio driver is actually part of DPDK, instead of the general Ethernet driver. This is very important. igb_uio driver is delivered by DPDK. igb_uio and drivers are separated. > > Changchun (Alex) > > > -----Original Message----- > From: Ferruh Yigit [mailto:ferruh.yigit@intel.com] > Sent: Monday, March 11, 2019 7:08 AM > To: Changchun Zhang <changchun.zhang@oracle.com>; Trahe, Fiona <fiona.trahe@intel.com>; users@dpdk.org > Subject: Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary > > On 3/8/2019 9:14 PM, Changchun Zhang wrote: >> Thanks. >> The related question, for Ethernet device, if it has been bound to igb_uio driver, who is going to actually implement the rx_ring and tx_ring for the Ethernet PMD? The igb_uio driver? > > DPDK drivers does it, please check ./drivers/net/* igb_uio just for exposing the device registers to be able to use with DPDK drivers. > >> >> Changchun (Alex) >> >> >> -----Original Message----- >> From: Trahe, Fiona [mailto:fiona.trahe@intel.com] >> Sent: Friday, March 08, 2019 5:56 AM >> To: Changchun Zhang <changchun.zhang@oracle.com>; users@dpdk.org >> Cc: Trahe, Fiona <fiona.trahe@intel.com> >> Subject: RE: [dpdk-users] QAT cryto PMD queue pair and Ring Libary >> >> >>> -----Original Message----- >>> From: users [mailto:users-bounces@dpdk.org] On Behalf Of Changchun >>> Zhang >>> Sent: Thursday, March 7, 2019 9:29 PM >>> To: users@dpdk.org >>> Subject: [dpdk-users] QAT cryto PMD queue pair and Ring Libary >>> >>> Hi, >>> >>> >>> >>> QAT PMD driver uses the queue pair to communication with QAT device. >>> My question is, whether or this QAP queue pair is implemented over DPDK ring library or just self-defined queue implementation? >> [Fiona] This doesn't use the DPDK ring library. They are QAT-specific, hw-supported tx and rx rings. >> >