linux-kernel - Re: Aquantia PHY in OCSGMII mode?

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Message-ID: <aJBQiyubjwFe1h27@FUE-ALEWI-WINX>
Date: Mon, 4 Aug 2025 08:17:47 +0200
From: Alexander Wilhelm <alexander.wilhelm@...termo.com>
To: Vladimir Oltean <olteanv@...il.com>
Cc: "Russell King (Oracle)" <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: Aquantia PHY in OCSGMII mode?

Am Fri, Aug 01, 2025 at 04:04:20PM +0300 schrieb Vladimir Oltean:
> On Fri, Aug 01, 2025 at 01:23:44PM +0100, Russell King (Oracle) wrote:
> > It looks like memac_select_pcs() and memac_prepare() fail to
> > handle 2500BASEX despite memac_initialization() suggesting the
> > SGMII PCS supports 2500BASEX.
> 
> Thanks for pointing this out, it seems to be a regression introduced by
> commit 5d93cfcf7360 ("net: dpaa: Convert to phylink").
> 
> If there are no other volunteers, I can offer to submit a patch if
> Alexander confirms this fixes his setup.

I'd be happy to help by applying the patch on my system and running some tests.
Please let me know if there are any specific steps or scenarios you'd like me to
focus on.

Best regards
Alexander Wilhelm