netdev - Re: [PATCH net-next v7 2/5] ethtool: netlink: add ETHTOOL_MSG_MSE

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Message-ID: <20251023181343.30e883a4@kernel.org>
Date: Thu, 23 Oct 2025 18:13:43 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Andrew Lunn <andrew@...n.ch>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, Donald Hunter <donald.hunter@...il.com>,
 Jonathan Corbet <corbet@....net>, Heiner Kallweit <hkallweit1@...il.com>,
 Russell King <linux@...linux.org.uk>, Kory Maincent
 <kory.maincent@...tlin.com>, Maxime Chevallier
 <maxime.chevallier@...tlin.com>, Nishanth Menon <nm@...com>,
 kernel@...gutronix.de, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, UNGLinuxDriver@...rochip.com,
 linux-doc@...r.kernel.org, Michal Kubecek <mkubecek@...e.cz>, Roan van Dijk
 <roan@...tonic.nl>
Subject: Re: [PATCH net-next v7 2/5] ethtool: netlink: add
 ETHTOOL_MSG_MSE_GET and wire up PHY MSE access

On Mon, 20 Oct 2025 12:31:44 +0200 Oleksij Rempel wrote:
> +      -
> +        name: supported-caps
> +        type: nest
> +        nested-attributes: bitset
> +        enum: phy-mse-capability

This is read only, does it really have to be a bitset?
YNL will generate the string table automatically for user space to map
the bits to names. And we have to do a bunch of const_ilog2() and render
the MASK in the uAPI...