From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by dpdk.org (Postfix) with ESMTP id 3B6F9B370 for ; Mon, 18 Aug 2014 14:06:13 +0200 (CEST) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga101.ch.intel.com with ESMTP; 18 Aug 2014 05:09:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,885,1400050800"; d="scan'208";a="469844288" Received: from irsmsx101.ger.corp.intel.com ([163.33.3.153]) by azsmga001.ch.intel.com with ESMTP; 18 Aug 2014 05:09:33 -0700 Received: from irsmsx103.ger.corp.intel.com ([169.254.3.112]) by IRSMSX101.ger.corp.intel.com ([169.254.1.194]) with mapi id 14.03.0195.001; Mon, 18 Aug 2014 13:09:33 +0100 From: "Richardson, Bruce" To: GongJinrong , "dev@dpdk.org" Thread-Topic: [dpdk-dev] How to use dpdk ring and mem lib in kernel level? Thread-Index: Ac+53GRMzQyooA5NRQC2O9KXOKvdDwBAMGJw Date: Mon, 18 Aug 2014 12:09:32 +0000 Message-ID: <59AF69C657FD0841A61C55336867B5B0343E52A2@IRSMSX103.ger.corp.intel.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] How to use dpdk ring and mem lib in kernel level? X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Aug 2014 12:06:13 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of GongJinrong > Sent: Sunday, August 17, 2014 7:10 AM > To: dev@dpdk.org > Subject: [dpdk-dev] How to use dpdk ring and mem lib in kernel level? >=20 > Hi, guys >=20 > Can dpdk support allocate mempool and create ring in kernel level? I k= now > dpdk is user space driver, but many application need a channel to transmi= t > data from kernel to user space without any hardware dependency(just like = pf > ring)? Anyone has a sample like this? >=20 > Best Regards > John Gong Have you looked at the KNI kernel module and library, it might provide what= you need? It is documented in the programmers guide, if you want to read u= p about it. Regards, /Bruce