From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <xiaolong.ye@intel.com> Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 2B2DC1B555 for <dev@dpdk.org>; Fri, 22 Mar 2019 03:06:04 +0100 (CET) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Mar 2019 19:06:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,255,1549958400"; d="scan'208";a="127566777" Received: from yexl-server.sh.intel.com (HELO localhost) ([10.67.110.206]) by orsmga008.jf.intel.com with ESMTP; 21 Mar 2019 19:06:01 -0700 Date: Fri, 22 Mar 2019 10:01:57 +0800 From: Ye Xiaolong <xiaolong.ye@intel.com> To: Stephen Hemminger <stephen@networkplumber.org> Cc: dev@dpdk.org, Qi Zhang <qi.z.zhang@intel.com>, Karlsson Magnus <magnus.karlsson@intel.com>, Topel Bjorn <bjorn.topel@intel.com> Message-ID: <20190322020157.GD84243@intel.com> References: <20190301080947.91086-1-xiaolong.ye@intel.com> <20190321091845.78495-1-xiaolong.ye@intel.com> <20190321091845.78495-2-xiaolong.ye@intel.com> <20190321083000.5894dbf7@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190321083000.5894dbf7@shemminger-XPS-13-9360> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [dpdk-dev] [PATCH v3 1/5] net/af_xdp: introduce AF XDP PMD driver X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Fri, 22 Mar 2019 02:06:04 -0000 On 03/21, Stephen Hemminger wrote: >On Thu, 21 Mar 2019 17:18:41 +0800 >Xiaolong Ye <xiaolong.ye@intel.com> wrote: > >> + >> + if (ret < 0) >> + return -EINVAL; >> + >> + return 0; > >You could propogate kernel errno into DPDK? > return (ret < 0) ? -errno : 0; > Sorry, could you share the advantage of doing this? Thanks, Xiaolong From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id AB825A00E6 for <public@inbox.dpdk.org>; Fri, 22 Mar 2019 03:06:06 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 69EBD1B557; Fri, 22 Mar 2019 03:06:06 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 2B2DC1B555 for <dev@dpdk.org>; Fri, 22 Mar 2019 03:06:04 +0100 (CET) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Mar 2019 19:06:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,255,1549958400"; d="scan'208";a="127566777" Received: from yexl-server.sh.intel.com (HELO localhost) ([10.67.110.206]) by orsmga008.jf.intel.com with ESMTP; 21 Mar 2019 19:06:01 -0700 Date: Fri, 22 Mar 2019 10:01:57 +0800 From: Ye Xiaolong <xiaolong.ye@intel.com> To: Stephen Hemminger <stephen@networkplumber.org> Cc: dev@dpdk.org, Qi Zhang <qi.z.zhang@intel.com>, Karlsson Magnus <magnus.karlsson@intel.com>, Topel Bjorn <bjorn.topel@intel.com> Message-ID: <20190322020157.GD84243@intel.com> References: <20190301080947.91086-1-xiaolong.ye@intel.com> <20190321091845.78495-1-xiaolong.ye@intel.com> <20190321091845.78495-2-xiaolong.ye@intel.com> <20190321083000.5894dbf7@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <20190321083000.5894dbf7@shemminger-XPS-13-9360> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [dpdk-dev] [PATCH v3 1/5] net/af_xdp: introduce AF XDP PMD driver X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> Message-ID: <20190322020157.GvnSUgvhDlwtBcutc6hDHSFIVi0JrJgY0ayweUpBEWY@z> On 03/21, Stephen Hemminger wrote: >On Thu, 21 Mar 2019 17:18:41 +0800 >Xiaolong Ye <xiaolong.ye@intel.com> wrote: > >> + >> + if (ret < 0) >> + return -EINVAL; >> + >> + return 0; > >You could propogate kernel errno into DPDK? > return (ret < 0) ? -errno : 0; > Sorry, could you share the advantage of doing this? Thanks, Xiaolong