Re: [PATCH net-next v3 0/8] ethtool: Add support for frame preemption

Vinicius Costa Gomes
2021-01-30T00:15:34Z

Vladimir Oltean <vladimir.oltean@nxp.com> writes:

> On Fri, Jan 22, 2021 at 02:44:45PM -0800, Vinicius Costa Gomes wrote:
>> This is still an RFC because two main reasons, I want to confirm that
>> this approach (per-queue settings via qdiscs, device settings via
>> ethtool) looks good, even though there aren't much more options left ;-)
>
> I don't want to bother you too much, but a consequence of putting the
> per-priority settings into tc-taprio is that those will spill over into
> other qdiscs too that have nothing to do with TSN, for whomever will
> need frame preemption without time-aware scheduling (and there are
> reasons to want that).
> So could we see in the next version the frame preemption bits added to
> tc-mqprio as well? I just want to make sure that we run this by the tc
> maintainers and that the idea gets their informed consent before we end
> up in a position where frame preemption with time-aware scheduling is
> done in one way, but frame preemption without time-aware scheduling is
> done another way.
> You should not need to change anything related to TC_SETUP_PREEMPT in
> the igc driver, so it should be just code addition.

Good suggestion. Will do.

Cheers,
--
Vinicius