netdev - Re: Accelerated receive flow steering (aRFS) for UDP

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Message-ID: <1476119297.5650.0.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Mon, 10 Oct 2016 10:08:17 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Rick Jones <rick.jones2@....com>
Cc:     "Chopra, Manish" <Manish.Chopra@...ium.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "maorg@...lanox.com" <maorg@...lanox.com>,
        "tom@...bertland.com" <tom@...bertland.com>
Subject: Re: Accelerated receive flow steering (aRFS) for UDP

On Mon, 2016-10-10 at 09:23 -0700, Rick Jones wrote:
> On 10/10/2016 09:08 AM, Rick Jones wrote:
> > On 10/09/2016 03:33 PM, Eric Dumazet wrote:
> >> OK, I am adding/CC Rick Jones, netperf author, since it seems a netperf
> >> bug, not a kernel one.
> >>
> >> I believe I already mentioned fact that "UDP_STREAM -- -N" was not doing
> >> a connect() on the receiver side.
> >
> > I can confirm that the receive side of the netperf omni path isn't
> > trying to connect UDP datagrams.  I will see what I can put together.
> 
> I've put something together and pushed it to the netperf top of trunk. 
> It seems to have been successful on a quick loopback UDP_STREAM test.

Indeed, it looks better, thanks !