On Mon, 18 May 2020 16:05:08 -0700 Vinicius Costa Gomes wrote: > Jakub Kicinski <k...@kernel.org> writes: > >> That was the (only?) strong argument in favor of having frame preemption > >> in the TC side when this was last discussed. > >> > >> We can have a hybrid solution, we can move the express/preemptible per > >> queue map to mqprio/taprio/whatever. And have the more specific > >> configuration knobs, minimum fragment size, etc, in ethtool. > >> > >> What do you think? > > > > Does the standard specify minimum fragment size as a global MAC setting? > > Yes, it's a per-MAC setting, not per-queue.
If standard defines it as per-MAC and we can reasonably expect vendors won't try to "add value" and make it per queue (unlikely here AFAIU), then for this part ethtool configuration seems okay to me.