linux-kernel - Re: [PATCH net-next 08/14] net: pse-pd: Split ethtool_get

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Message-ID: <20250107171554.742dcf59@kernel.org>
Date: Tue, 7 Jan 2025 17:15:54 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>, Andrew Lunn
 <andrew+netdev@...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>, Liam Girdwood <lgirdwood@...il.com>, Mark
 Brown <broonie@...nel.org>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, linux-doc@...r.kernel.org, Kyle Swenson
 <kyle.swenson@....tech>, Dent Project <dentproject@...uxfoundation.org>,
 kernel@...gutronix.de, Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH net-next 08/14] net: pse-pd: Split ethtool_get_status
 into multiple callbacks

On Sat, 04 Jan 2025 23:27:33 +0100 Kory Maincent wrote:
> diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
> index f711bfd75c4d..2bdf7e72ee50 100644
> --- a/include/linux/ethtool.h
> +++ b/include/linux/ethtool.h
> @@ -1323,4 +1323,40 @@ struct ethtool_c33_pse_pw_limit_range {
>  	u32 min;
>  	u32 max;
>  };
> +
> +/**
> + * struct ethtool_pse_control_status - PSE control/channel status.
> + *
> + * @podl_admin_state: operational state of the PoDL PSE
> + *	functions. IEEE 802.3-2018 30.15.1.1.2 aPoDLPSEAdminState
> + * @podl_pw_status: power detection status of the PoDL PSE.
> + *	IEEE 802.3-2018 30.15.1.1.3 aPoDLPSEPowerDetectionStatus:
> + * @c33_admin_state: operational state of the PSE
> + *	functions. IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState
> + * @c33_pw_status: power detection status of the PSE.
> + *	IEEE 802.3-2022 30.9.1.1.5 aPSEPowerDetectionStatus:
> + * @c33_pw_class: detected class of a powered PD
> + *	IEEE 802.3-2022 30.9.1.1.8 aPSEPowerClassification
> + * @c33_actual_pw: power currently delivered by the PSE in mW
> + *	IEEE 802.3-2022 30.9.1.1.23 aPSEActualPower
> + * @c33_ext_state_info: extended state information of the PSE
> + * @c33_avail_pw_limit: available power limit of the PSE in mW
> + *	IEEE 802.3-2022 145.2.5.4 pse_avail_pwr
> + * @c33_pw_limit_ranges: supported power limit configuration range. The driver
> + *	is in charge of the memory allocation
> + * @c33_pw_limit_nb_ranges: number of supported power limit configuration
> + *	ranges
> + */

Is there a reason this is defined in ethtool.h?

I have a weak preference towards keeping it in pse-pd/pse.h
since touching ethtool.h rebuilds bulk of networking code.
From that perspective it's also suboptimal that pse-pd/pse.h
pulls in ethtool.h.