[Ecn-sane] [Cake] l4s kernel submission

[Dave Taht]

my more specific question was gro. On gro assembly is the dscp/ecn
header examined?

On Mon, Oct 18, 2021 at 6:02 AM Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>
> Dave Taht <dave.taht at gmail.com> writes:
>
> > An open question for me:
> >
> > What happens when a GSO packet is marked? Do all the packets get the
> > marking, or just the first?
>
> When segmenting a GSO packet, the IP header is copied to all segments.
> The code has grown quite complex over the years, but it's easier to see
> in the original submission from 2006:
>
> https://lore.kernel.org/all/20060622081400.GC22671@gondor.apana.org.au/
>
> Which means all packets in a GSO segment will end up marked on the
> wire...
>
> -Toke



-- 
Fixing Starlink's Latencies: https://www.youtube.com/watch?v=c9gLo6Xrwgw

Dave Täht CEO, TekLibre, LLC