Subject: Re: [PATCH net-next v5 08/16] net: ethtool: Add a command to expose current time stamping layer

From: Jakub Kicinski <[email-masked]>
Date: Mon, 16 Oct 2023 07:22:04 -0700

On Mon, 16 Oct 2023 12:41:34 +0200 Köry Maincent wrote:
> > Netdev vs phylib is an implementation detail of Linux.
> > I'm also surprised that you changed this.  
> 
> This is the main reason I changed this. This is Linux implementation purpose to
> know whether it should go through netdev or phylib, and then each of these
> drivers could use other timestamps which are hardware related.

For an integrated design there's 90% chance the stamping is done 
by the MAC. Even if it isn't there's no difference between PHY
and MAC in terms of quality.

But there is a big difference between MAC/PHY and DMA which would
both fall under NETDEV?