Re: [PATCH RFC V1 net-next 3/4] net: Let the active time stamping layer be selectable.

Richard Cochran
2022-01-22T02:09:16Z

On Fri, Jan 21, 2022 at 04:23:27PM +0000, Vladimir Oltean wrote:
> On Fri, Jan 21, 2022 at 07:28:20AM -0800, Richard Cochran wrote:
> > On Fri, Jan 21, 2022 at 02:50:36PM +0000, Vladimir Oltean wrote:
> > > So as I mentioned earlier, the use case would be hardware performance
> > > testing and diagnosing. You may consider that as not that important, but
> > > this is basically what I had to do for several months, and even wrote
> > > a program for that, that collects packet timestamps at all possible points.
> >
> > This is not possible without making a brand new CMSG to accommodate
> > time stamps from all the various layers.
> >
> > That is completely out of scope for this series.
> >
> > The only practical use case of this series is to switch from PHY back to MAC.
>
> I don't think my proposal is out of scope.

I don't see a way to implement your proposal at all.

If you want to implement your proposal and submit a patch series, I
will gladly drop mine in favor of yours. Otherwise, my series solves
a real world problem and improves the stack at least a little bit.

Thanks,
Richard