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 A8DC0A0471 for ; Tue, 18 Jun 2019 06:43:44 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6CF571C039; Tue, 18 Jun 2019 06:43:44 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 332301C039; Tue, 18 Jun 2019 06:43:42 +0200 (CEST) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Jun 2019 21:43:42 -0700 X-ExtLoop1: 1 Received: from npg-dpdk-virtio-tbie-2.sh.intel.com (HELO ___) ([10.67.104.151]) by fmsmga007.fm.intel.com with ESMTP; 17 Jun 2019 21:43:40 -0700 Date: Tue, 18 Jun 2019 12:42:28 +0800 From: Tiwei Bie To: Andrew Rybchenko Cc: Maxime Coquelin , Zhihong Wang , dev@dpdk.org, Dilshod Urazov , stable@dpdk.org Message-ID: <20190618044228.GA32316@___> References: <1559587805-1637-1-git-send-email-arybchenko@solarflare.com> <1560771098-20375-1-git-send-email-arybchenko@solarflare.com> <1560771098-20375-2-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1560771098-20375-2-git-send-email-arybchenko@solarflare.com> User-Agent: Mutt/1.9.4 (2018-02-28) Subject: Re: [dpdk-stable] [PATCH v4 2/2] net/virtio: move VLAN tag insertion to Tx prepare X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On Mon, Jun 17, 2019 at 12:31:38PM +0100, Andrew Rybchenko wrote: > From: Dilshod Urazov > > VLAN tag insertion should be in Tx prepare, not in Tx burst functions. > One of Tx prepare goals is to be able to do preparations in advance > (possibliy on different CPU core) and then transmit it fast. > Also Tx prepare can report that a packet does not pass Tx offloads > check. E.g. has no enough headroom to insert VLAN header. > > Fixes: 4fb7e803eb1a ("ethdev: add Tx preparation") > Cc: stable@dpdk.org > > Signed-off-by: Dilshod Urazov > Signed-off-by: Andrew Rybchenko > --- > v4: > - add more details to commit log > > drivers/net/virtio/virtio_rxtx.c | 50 +++++++++----------------------- > 1 file changed, 14 insertions(+), 36 deletions(-) Reviewed-by: Tiwei Bie Thanks, Tiwei