From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 969FF49E0 for ; Wed, 27 Mar 2019 06:38:09 +0100 (CET) X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Mar 2019 22:38:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,275,1549958400"; d="scan'208";a="126204198" Received: from yexl-server.sh.intel.com (HELO localhost) ([10.67.110.206]) by orsmga007.jf.intel.com with ESMTP; 26 Mar 2019 22:38:06 -0700 Date: Wed, 27 Mar 2019 13:33:42 +0800 From: Ye Xiaolong To: Stephen Hemminger Cc: dev@dpdk.org, David Marchand , Andrew Rybchenko , Qi Zhang , Karlsson Magnus , Topel Bjorn , Maxime Coquelin , Ferruh Yigit , Luca Boccassi , Bruce Richardson , Ananyev Konstantin Message-ID: <20190327053342.GA65335@intel.com> References: <20190301080947.91086-1-xiaolong.ye@intel.com> <20190326122029.59359-1-xiaolong.ye@intel.com> <20190326122029.59359-2-xiaolong.ye@intel.com> <20190326120850.4f3cefa7@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190326120850.4f3cefa7@shemminger-XPS-13-9360> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [dpdk-dev] [PATCH v6 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 05:38:10 -0000 On 03/26, Stephen Hemminger wrote: >On Tue, 26 Mar 2019 20:20:25 +0800 >Xiaolong Ye wrote: > >> +This Linux-specific PMD driver creates the AF_XDP socket and binds it to a >> +specific netdev queue, it allows a DPDK application to send and receive raw >> +packets through the socket which would bypass the kernel network stack. >> +Current implementation only supports single queue, multi-queues feature will >> +be added later. >> + > >It might be worth mentioning that MTU in XDP is limited because the kernel >doesn't allow XDP with segmented packets. Ok, will add it in next version. Thanks, Xiaolong From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 1989AA05D3 for ; Wed, 27 Mar 2019 06:38:12 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 479EB4F9A; Wed, 27 Mar 2019 06:38:11 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 969FF49E0 for ; Wed, 27 Mar 2019 06:38:09 +0100 (CET) X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Mar 2019 22:38:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,275,1549958400"; d="scan'208";a="126204198" Received: from yexl-server.sh.intel.com (HELO localhost) ([10.67.110.206]) by orsmga007.jf.intel.com with ESMTP; 26 Mar 2019 22:38:06 -0700 Date: Wed, 27 Mar 2019 13:33:42 +0800 From: Ye Xiaolong To: Stephen Hemminger Cc: dev@dpdk.org, David Marchand , Andrew Rybchenko , Qi Zhang , Karlsson Magnus , Topel Bjorn , Maxime Coquelin , Ferruh Yigit , Luca Boccassi , Bruce Richardson , Ananyev Konstantin Message-ID: <20190327053342.GA65335@intel.com> References: <20190301080947.91086-1-xiaolong.ye@intel.com> <20190326122029.59359-1-xiaolong.ye@intel.com> <20190326122029.59359-2-xiaolong.ye@intel.com> <20190326120850.4f3cefa7@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <20190326120850.4f3cefa7@shemminger-XPS-13-9360> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [dpdk-dev] [PATCH v6 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190327053342.xQjk1mXc0zhWMB5dvn-qFxH3AgLGsWTXMYJhs7QC0A4@z> On 03/26, Stephen Hemminger wrote: >On Tue, 26 Mar 2019 20:20:25 +0800 >Xiaolong Ye wrote: > >> +This Linux-specific PMD driver creates the AF_XDP socket and binds it to a >> +specific netdev queue, it allows a DPDK application to send and receive raw >> +packets through the socket which would bypass the kernel network stack. >> +Current implementation only supports single queue, multi-queues feature will >> +be added later. >> + > >It might be worth mentioning that MTU in XDP is limited because the kernel >doesn't allow XDP with segmented packets. Ok, will add it in next version. Thanks, Xiaolong