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

From: Richard Cochran
Date: Fri Jan 21 2022 - 10:28:39 EST


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.

Thanks,
Richard