[Bloat] Flow offload's impact on bufferbloat

[Rosen Penev]

On Fri, Aug 10, 2018 at 4:18 PM Dave Taht <dave.taht at gmail.com> wrote:
>
> what device?
>
> what sort of bql stats do you see?
>
> In both of these cases you should just enable sqm set to 100/5 and it
> shouldn't matter.
Note that this is software offload, not hardware.

Device is a Netgear R7800. The ethernet on it is totally broken TBH.
But I've also seen this on a Turris Omnia.

My question is not really how to fix it. I already know that. I just
got the feeling that bypassing parts of the linux network stack would
result in less buffering.
> On Fri, Aug 10, 2018 at 4:12 PM Rosen Penev <rosenp at gmail.com> wrote:
> >
> > OpenWrt has backported Netfilter's flow offload functionality from
> > kernel 4.17 to 4.14. I've been noticing higher speeds as well as
> > higher latency with it enabled. Anyone have any insight? My test
> > results are here:
> >
> > On: http://www.dslreports.com/speedtest/37007587
> > Off: http://www.dslreports.com/speedtest/37007494
> >
> > Note the latencies.
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>
>
>
> --
>
> Dave Täht
> CEO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-669-226-2619