From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f43.google.com (mail-pg0-f43.google.com [74.125.83.43]) by dpdk.org (Postfix) with ESMTP id 3982E23B for ; Tue, 21 Nov 2017 08:12:39 +0100 (CET) Received: by mail-pg0-f43.google.com with SMTP id 70so9479110pgf.6 for ; Mon, 20 Nov 2017 23:12:39 -0800 (PST) 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=AKjWn++G0BHBtEya3hk/1ln4QWPGYOLoVmWzRTUaJM0=; b=NF8U29ankWWRlEOOsoQnGHhVwxi00JZCmWEivYHgqiIt+8Vqwsgxzrqh4n7JShfs52 BfapXFMZCMB6g8PQFproPMahF6W/6q+MOB+bGS0iwH1c4GMPbCHXhPzyRMV0bA1JJivp w33CxkbfCnmb4EruuCDdCbZIHejc7rytRyU91RCKDiavpFdBpvHzSrOtu2wUL0x7yAqw l6vYeNG/cKK03c7vZsW5AQLAWc/FSDzSkXKqw1GQ6mkKZtJNMm6E6bjq47tDmVZqS+8a 9TtWWkhB4aexITx118hsRUH8QSj+BmgLjQ8afTS88TsdXL6Vz2mlhq2BGNR1EitxLvCF QcKA== 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=AKjWn++G0BHBtEya3hk/1ln4QWPGYOLoVmWzRTUaJM0=; b=CkJcbrea+ccD8sO7roskIYzaasOVUOQ/Dx06/lzmk/9Z2fL2cpRb6lIFBWUnHWEhpU eqrCOHx+ElnPazVn1p0TwHi2oUmQDmEfjnIxupaFephJuV+fkcvCaBpR8f2Lc+TNQlZC SpvJo4e2qC0LHsemADaycT2BE3+byUekkcYNtKMIto/4lTL1M0XMi0/e8hwq6jaUaTn5 6TzM+SaorSQf2lkyCUsJSLuFG4RNXGF2iJCGPXZ+PQD+7W2VRT0RgkkV9doacoJRSeyV RwrMNgY+rjnArlotJ/Jc1lnP4Psq+NItyG0sxeMeVX4Cababtj5gBwRHakd3lDkyx1WW g2GQ== X-Gm-Message-State: AJaThX6VxEwCXu3fJZQvhCMIF9hi9aSr5RHHmIw2o13nG9qtycnDTjL6 fAhD4K2tv7RObk90QXsAgS1kGQ== X-Google-Smtp-Source: AGs4zMZbzsbi7r+0MJUKTCP5ztT4WkFZZovrZOKJNfodxvmM9C+19iOINfu4RXHy6R8aQholm1oWrA== X-Received: by 10.98.74.19 with SMTP id x19mr14096157pfa.43.1511248358359; Mon, 20 Nov 2017 23:12:38 -0800 (PST) Received: from xeon-e3 (76-14-207-240.or.wavecable.com. [76.14.207.240]) by smtp.gmail.com with ESMTPSA id 10sm6866226pfi.72.2017.11.20.23.12.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 20 Nov 2017 23:12:38 -0800 (PST) Date: Mon, 20 Nov 2017 23:12:36 -0800 From: Stephen Hemminger To: Jiayu Hu Cc: dev@dpdk.org, yliu@fridaylinux.org, jianfeng.tan@intel.com Message-ID: <20171120231236.399555e6@xeon-e3> In-Reply-To: <1511247412-130965-1-git-send-email-jiayu.hu@intel.com> References: <1511247412-130965-1-git-send-email-jiayu.hu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH] vhost: support UDP Fragmentation Offload 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: Tue, 21 Nov 2017 07:12:39 -0000 On Tue, 21 Nov 2017 14:56:52 +0800 Jiayu Hu wrote: > In virtio, UDP Fragmentation Offload (UFO) includes two parts: host UFO > and guest UFO. Guest UFO means the frontend can receive large UDP packets, > and host UFO means the backend can receive large UDP packets. This patch > supports host UFO and guest UFO for vhost-user. > > Signed-off-by: Jiayu Hu This may no longer be a desirable feature to implement. UFO was just deprecated and removed from Linux. It had no useful benefit.