netdev - Re: [PATCH net 3/3] net: phylink: disable autoneg for interfaces that have no inband

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Message-ID: <7e463b05-ae28-4a98-b8fa-bdff266aa62f@0upti.me>
Date: Mon, 8 Sep 2025 10:38:59 +0300
From: Ilya K <me@...ti.me>
To: rmk+kernel@...linux.org.uk
Cc: andrew@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 hkallweit1@...il.com, kuba@...nel.org, matt@...verse.com.au,
 netdev@...r.kernel.org, pabeni@...hat.com
Subject: Re: [PATCH net 3/3] net: phylink: disable autoneg for interfaces that
 have no inband

Hey folks, this seems to have regressed a different setup: I have a Banana Pi BPi-R4 connected to a dumb unmanaged switch with a 10GbaseCR cable, and it fails to negotiate a link with a21202743f9c applied. Reverting it makes things work again. It seems like phylink_get_inband_type doesn't handle base-R modes at all? I'll maybe have some more time to poke this myself later this week, but throwing it out there in case anyone more experienced has ideas.