From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Marchand Subject: Re: i40e: Steps and required configurations of how to achieve the best performance! Date: Mon, 9 Feb 2015 13:12:14 +0100 Message-ID: References: <1865184.LnymqLhuvV@xps13> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: "dev-VfR2kkLFssw@public.gmane.org" To: "Zhang, Helin" Return-path: In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Hello Helin, On Thu, Oct 16, 2014 at 2:43 AM, Zhang, Helin wrote= : > Hi Thomas > > > > Yes, your proposal it the perfect one, also the most complicated one. I > was thinking of that one as well, but we did not have enough time for tha= t > in our 1.8 timeframe. > > In the long run, I agree with you to implement EAL function to access PCI > config space directly. I will try to put it in our plan as soon as > possible, if no objections. > > > > For now, I think the quickest and easiest way might be to write out a > script of using =E2=80=98setpci=E2=80=99, the Linux command. It is harmle= ss for our code > base, and we can remove it when we have better choice. What do you think? > > > > Thank you very much for the great comments on this topic! I really like i= t! > Did you make any progress on this ? Actually, looking at Stephen patches ( http://dpdk.org/dev/patchwork/patch/3024/), I think we could go with this approach once both uio and vfio are fine. --=20 David Marchand