From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v2] i40e: fix the write back issue in FVL VF
Date: Fri, 30 Oct 2015 12:34:15 +0100
Message-ID: <3366788.C6cg6KygKL@xps13>
References: <1444378608-708-1-git-send-email-jingjing.wu@intel.com>
 <1445393871-21775-1-git-send-email-jingjing.wu@intel.com>
 <F35DEAC7BCE34641BA9FAC6BCA4A12E70A921937@SHSMSX104.ccr.corp.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7Bit
Cc: dev@dpdk.org
To: "Wu, Jingjing" <jingjing.wu@intel.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51])
 by dpdk.org (Postfix) with ESMTP id 6E9465938
 for <dev@dpdk.org>; Fri, 30 Oct 2015 12:35:26 +0100 (CET)
Received: by wmff134 with SMTP id f134so9575309wmf.1
 for <dev@dpdk.org>; Fri, 30 Oct 2015 04:35:26 -0700 (PDT)
In-Reply-To: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A921937@SHSMSX104.ccr.corp.intel.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

> > If DPDK is used on VF while the host is using Linux Kernel driver as PF driver on
> > FVL NIC, then VF Rx is reported only in batches of
> > 4 packets. It is due to the kernel driver assumes VF driver is working in interrupt
> > mode, but DPDK VF is working in Polling mode.
> > This patch fixes this issue by using the V1.1 virtual channel with Linux i40e PF
> > driver.
> > 
> > Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
> Acked-by: Helin Zhang <helin.zhang@intel.com>

Applied, thanks