Re: i40e: Steps and required configurations of how to achieve the best performance!

[David Marchand <david.marchand-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>]

Hello Helin,

On Thu, Oct 16, 2014 at 2:43 AM, Zhang, Helin <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> 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 that
> 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 ‘setpci’, the Linux command. It is harmless 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 it!
>

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.


-- 
David Marchand