From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [119.145.14.65]) by dpdk.org (Postfix) with ESMTP id 3C11A7E78 for ; Thu, 16 Oct 2014 14:05:09 +0200 (CEST) Received: from 172.24.2.119 (EHLO szxeml412-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CAV19443; Thu, 16 Oct 2014 20:12:59 +0800 (CST) Received: from [127.0.0.1] (10.177.19.236) by szxeml412-hub.china.huawei.com (10.82.67.91) with Microsoft SMTP Server id 14.3.158.1; Thu, 16 Oct 2014 20:12:58 +0800 Message-ID: <543FB648.5010200@huawei.com> Date: Thu, 16 Oct 2014 20:12:56 +0800 From: Lilijun User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 MIME-Version: 1.0 To: References: <7C4248CAE043B144B1CD242D275626532FDDE618@IRSMSX104.ger.corp.intel.com> In-Reply-To: <7C4248CAE043B144B1CD242D275626532FDDE618@IRSMSX104.ger.corp.intel.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.19.236] X-CFilter-Loop: Reflected Subject: Re: [dpdk-dev] Possibility to unbind interface by DPDK 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: Thu, 16 Oct 2014 12:05:12 -0000 On 2014/10/16 19:45, Walukiewicz, Miroslaw wrote: > I have a question regarding unbinding Linux interface from EAL. > > This feature was present up to dpdk 1.4 and next it was removed. > > It was available under RTE_EAL_UNBIND_PORTS flag. > > Is there a possibility to get this feature back in the next releases? > > Unbinding interfaces from EAL makes possible reading network interface parameters like IP address, MTU, VLAN configuration from dpdk applications. > > When Linux interface is unbound before application start this information is lost for application. The same problem was found. Might an alternative be to actually bind the NICs to DPDK uio driver like the dpdk_nic_bind.py scipts after getting that NIC parameters in your application . > > Mirek > >