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 7EB37A05D3 for ; Tue, 26 Mar 2019 20:08:57 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C4F631B47C; Tue, 26 Mar 2019 20:08:56 +0100 (CET) Received: from mail-pf1-f194.google.com (mail-pf1-f194.google.com [209.85.210.194]) by dpdk.org (Postfix) with ESMTP id BB4211B479 for ; Tue, 26 Mar 2019 20:08:54 +0100 (CET) Received: by mail-pf1-f194.google.com with SMTP id 8so8508068pfr.4 for ; Tue, 26 Mar 2019 12:08:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3L3EOZsjp2CJBqe2o6t1Dm5QV4ZqlKciZ5pL74a+ppA=; b=ZmrJahuXWA15CSkgvZt5jUtDiF+OZzgrd6DFKr5noNkqnHJFIQxvCe+s7n4R+OPdlv Vbt1IJQG/myfJzyfRweLSLQSR0WLy8YeSnBbGWuDLC/IA5uMmJPa68vKV4lPVRKfh8wE ocFLAj+ewk8qdEIFIyMqFewZK9ScRedY9uGdbfFxNOHNFq6Z30i3E0s5YFdB2TAzUTk8 63pyPPfp9Ut9T4Ld7YljdfrC6we0uAVY0PkvsNsTthstso9p1riRDtADg20NlYJyaye7 zkZ/Cdi2tgNTjEpuMRzNWkhnV6Bb87rnhi6RjxJk8piVH6lriagYpHFDsXLBrETnoUrs 9kKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3L3EOZsjp2CJBqe2o6t1Dm5QV4ZqlKciZ5pL74a+ppA=; b=d+gO2hgzOPB+pIFsHa3RnhpBL1qj290ZTOU1UQQgSCIocfgp765mPrww54ivSPN4Qg sbYWIUb6MxGUkD6Dt4bL5dWIFP/RSYTS/eNc4D1UGjM2PRYkeEb1PRaa2apBUhWY7aNB OXu+e7RPrG5nThTnwc4mu0rKdzNpB4yjvTmLxwbopf39ZvmOeSWzpgpxAEYKpGYdpRaz TolaDz92JetZACKYT8rIyi1uHXRkwwrIHMs4+FHmt7dGrhASpecCn1rostNdvI0uYVuq VDzTe2OOW4DfBdPImYse8WzJTHAj1mabd1XNzH36J+VVi3Bu5PNm6oIjinZl9FVWMdNc /Tgg== X-Gm-Message-State: APjAAAWyYF43Mpf5O6PRXg9bbRepyVdOQVx73PUAlBk2WD5qgVLL+3at ++ebCpHdTNVVCXBiRoOIXqCqEg== X-Google-Smtp-Source: APXvYqzz590FvAm6L4IWFa9HCzBlu4zu5Be1DT6RUUMISXOGPB/Mdn0C12PCE5ZEUkuvJbFoMmuOTA== X-Received: by 2002:aa7:9088:: with SMTP id i8mr30640214pfa.118.1553627333961; Tue, 26 Mar 2019 12:08:53 -0700 (PDT) Received: from shemminger-XPS-13-9360 (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id a8sm3570606pfo.144.2019.03.26.12.08.53 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Mar 2019 12:08:53 -0700 (PDT) Date: Tue, 26 Mar 2019 12:08:50 -0700 From: Stephen Hemminger To: Xiaolong Ye 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: <20190326120850.4f3cefa7@shemminger-XPS-13-9360> In-Reply-To: <20190326122029.59359-2-xiaolong.ye@intel.com> References: <20190301080947.91086-1-xiaolong.ye@intel.com> <20190326122029.59359-1-xiaolong.ye@intel.com> <20190326122029.59359-2-xiaolong.ye@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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: <20190326190850.n8qA8_JJBGcaR9c3r7xIR9_KOMl-zdUqbPnWunpGXS0@z> 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.