From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [PATCH v2] virtio: tx with can_push when VERSION_1 is set Date: Wed, 7 Dec 2016 17:42:43 +0800 Message-ID: <20161207094243.GH31182@yliu-dev.sh.intel.com> References: <82834CFE-767C-41B0-9327-E64B8210E076@cisco.com> <46762894-5016-f634-c355-77af881685e6@redhat.com> <1FAE01C3-B03F-443A-A77C-579254A07E0E@cisco.com> <5c99bc35-839b-84b8-1df9-db80f288d7b7@redhat.com> <30923c66-8eaa-f7d4-2e6a-d65d8b254e8e@redhat.com> <6D3BD8A2-1567-42FA-9672-EE682D827A84@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "dev@dpdk.org" , Maxime Coquelin To: "Pierre Pfister (ppfister)" Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 660542B8F for ; Wed, 7 Dec 2016 10:41:59 +0100 (CET) Content-Disposition: inline In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Wed, Nov 30, 2016 at 09:18:42AM +0000, Pierre Pfister (ppfister) wrote: > Current virtio driver advertises VERSION_1 support, > but does not handle device's VERSION_1 support when > sending packets (it looks for ANY_LAYOUT feature, > which is absent). > > This patch enables 'can_push' in tx path when VERSION_1 > is advertised by the device. > > This significantly improves small packets forwarding rate > towards devices advertising VERSION_1 feature. > > Signed-off-by: Pierre Pfister Applied to dpdk-next-virtio. Thanks. --yliu