Re: [PATCH net-next 1/2] net: dsa: rzn1-a5psw: enable DPBU for CPU port and fix STP states

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On Thu, Mar 30, 2023 at 05:44:27PM +0200, Clément Léger wrote:
> Le Thu, 30 Mar 2023 18:16:53 +0300,
> Vladimir Oltean <olteanv@xxxxxxxxx> a écrit :
> 
> > Have you considered adding some Fixes: tags and sending to the "net" tree?
> 
> I wasn't sure if due to the refactoring that should go directly to the
> net tree but I'll do that. But since they are fixes, that's the way to
> go.

My common sense says that code quality comes first, and so, the code
looks however it needs to look, keeping in mind that it still needs to
be a punctual fix for the problem. This doesn't change the fact that
it's a fix for an an observable bug, and so, it's a candidate for 'net'.

That's just my opinion though, others may disagree.

> > To be absolutely clear, when talking about BPDUs, is it applicable
> > effectively only to STP protocol frames, or to any management traffic
> > sent by tag_rzn1_a5psw.c which has A5PSW_CTRL_DATA_FORCE_FORWARD set?
> 
> The documentation uses BPDUs but this is to be understood as in a
> broader sense for "management frames" since it matches all the MAC with
> "01-80-c2-00-00-XX". 

And even so, is it just for frames sent to "01-80-c2-00-00-XX", or for
all frames sent with A5PSW_CTRL_DATA_FORCE_FORWARD? Other switch
families can inject whatever they want into ports that are in the
BLOCKING STP state.



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