[Make-wifi-fast] [Bloat] [bbr-dev] Aggregating without bloating - hard times for tcp and wifi

Bob McMahon bob.mcmahon at broadcom.com
Wed Nov 23 15:36:06 EST 2022


Thanks Toke.

Bob

On Wed, Nov 23, 2022 at 5:50 AM Toke Høiland-Jørgensen <toke at toke.dk> wrote:

> Bob McMahon <bob.mcmahon at broadcom.com> writes:
>
> > Does the TSQ code honor no-aggregation per voice access class or
> > TCP_NODELAY where the app making the socket write calls knows that the
> WiFi
> > aggregation isn't likely helpful? Sorry, my Linux stack expertise is
> quite
> > limited.
>
> TSQ only influences the buffering in the TCP layer. The WiFi stack will
> still limit aggregation using its own logic (I think it turns it off
> entirely for voice?). TCP_NODELAY is also orthogonal to TSQ; TSQ only
> kicks in when there's a bunch of data buffered, in which case
> TCP_NODELAY has no effect...
>
> -Toke
>

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