netdev - Re: [PATCH rfc v2 08/10] net: dsa: qca8k: Pass error code from reply decoder to requester

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Message-ID: <Yy8U71LdKpblNVjz@lunn.ch>
Date:   Sat, 24 Sep 2022 16:32:15 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev <netdev@...r.kernel.org>,
        "mattias.forsblad@...il.com" <mattias.forsblad@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Christian Marangi <ansuelsmth@...il.com>
Subject: Re: [PATCH rfc v2 08/10] net: dsa: qca8k: Pass error code from reply
 decoder to requester

> My understanding of the autocast function (I could be wrong) is that
> it's essentially one request with 10 (or how many ports there are)
> responses. At least this is what the code appears to handle.

The autocast packet handling does not fit the model. I already
excluded it from parts of the patchset. I might need to exclude it
from more. It is something i need to understand more. I did find a
leaked data sheet for the qca8337, but i've not had time to read it
yet.

Either the model needs to change a bit, or we don't convert this part
of the code to use shared functions, or maybe we can do a different
implementation in the driver for statistics access.

	  Andrew