Messages in this thread | | | Date | Tue, 17 May 2022 13:58:36 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH net-next v2 2/5] net: dsa: add out-of-band tagging protocol |
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On Tue, 17 May 2022 08:53:55 +0200 Maxime Chevallier wrote: > > This must had been asked on v1 but there's no trace of it in the > > current submission afaict... > > No you're correct, this wasn't explained. > > > If the tag is passed in the descriptor how is this not a pure > > switchdev driver? The explanation must be preserved somehow. > > The main reason is that although the MAC and switch are rightly coupled > on that platform, the switch is actually a QC8K that can live on it's > own, as an external switch. Here, it's just a slightly modified version > of this IP. > > The same goes for the MAC IP, but so far we don't support any other > platform that have the MAC as a standalone controller. As far as we can > tell, platforms that have this MAC also include a QCA8K, but the > datasheet also mentions other modes (like outputing RGMII).
Got it, thanks! Please weave this justification more explicitly into the cover letter.
> Is this valid to have it as a standalone ethernet driver in that > situation ?
Quite possibly.. I won't pretend I've looked at the code, I defer to the reviewers :)
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