From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 73C7C1E35 for ; Thu, 11 Jan 2018 15:27:45 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id D987F20ED1; Thu, 11 Jan 2018 09:27:44 -0500 (EST) Received: from frontend1 ([10.202.2.160]) by compute1.internal (MEProxy); Thu, 11 Jan 2018 09:27:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fridaylinux.org; h=cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=BEET2Vn0JggL+canTM+IEoIzlFLKgjk8Xpla1zocceg=; b=fAaOAm/y hYIdk9sxceh1dlrzBJyKPWRWspVwsoQRHmwYK4QREVTE48psERnsSsBcEItHjHaT tQLm8lNGbcBTIe1P0E2hVyu3rRbQ8H0syctv6o9JkeWaes5w9Iho97D4JcdcHrz0 RjotJ6NQf+DE1rgBHY8d3TECXIrhh7+n5i/vBN3ANV5zDhFv6So4x4O1uIvtih7b CejrMccnswhGNcQcEgMEHulvxPRokbrYN1O6a3i44TZukrsBWFlcKr7YHZW2rZBn DwOTHl2m6RL3l3J0YG9QM6HUidZcnj68dsjBjveYylH+k+OELmitUHnJYsyJ7ojO FeXjBOug+zLSiw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; bh=BEET2Vn0JggL+canTM+IEoIzlFLKg jk8Xpla1zocceg=; b=SBDCEDrYzC/9tbNycc6b84gJgfJ+s9wEotKfXBxX8GFDS IMq39WTWylCCCjTWQLIXtVkiDvT6kWriFx4YUctN3SH+IkGLi73who6cuhpXWIfB jx0TrE2XEgTBABXIZ5RhyFrraWh2aWl7A8E6JuBoUKsadiH92IC7mSc9yyd4/ZY0 f3Z/CUEDYjmMJUcmqVpGiBhRSnQJJ5WUJ/WH4d+gWITn1/TUIoN9XObP4tAjjtzC OYne1kzUKpbN2EXTZ+zzxNy/DVFRcLwTu/iVphb6hjWElRcCaKitcTmUDQVy5TSq yCqeJrvrAhjuVRASFAb5mI8fXhY/aRGTfMZM3YlMA== X-ME-Sender: Received: from yliu-mob (unknown [115.148.91.233]) by mail.messagingengine.com (Postfix) with ESMTPA id CDB087E3D4; Thu, 11 Jan 2018 09:27:42 -0500 (EST) Date: Thu, 11 Jan 2018 22:27:35 +0800 From: Yuanhan Liu To: Jiayu Hu Cc: dev@dpdk.org, jianfeng.tan@intel.com Message-ID: <20180111142735.GT29540@yliu-mob> References: <1511320782-72744-1-git-send-email-jiayu.hu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1511320782-72744-1-git-send-email-jiayu.hu@intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Subject: Re: [dpdk-dev] [PATCH] vhost: support Explicit Congestion Notification 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: Thu, 11 Jan 2018 14:27:45 -0000 On Wed, Nov 22, 2017 at 11:19:42AM +0800, Jiayu Hu wrote: > In virtio, Explicit Congestion Notification (ECN) includes two parts: > guest ECN and host ECN. Guest ECN means the frontend can handle TSO > packets which have ECN set, and host ECN means the backend can handle > TSO packets which have ECN set. > > The ECN features are rarely used. However, virtio-net enables them by > default, and vhost-net support both. To make live migration from > vhost-net to vhost-user possible, this patch announces to support > guest and host ECN in vhost-user. > > Signed-off-by: Jiayu Hu Applied to dpdk-next-virtio. Thanks. --yliu