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Date: Sat, 18 Nov 2023 18:24:24 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Florian Fainelli <florian.fainelli@...adcom.com>, Broadcom internal
 kernel review list <bcm-kernel-feedback-list@...adcom.com>, Andrew Lunn
 <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, Russell King
 <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Richard
 Cochran <richardcochran@...il.com>, Radu Pirea
 <radu-nicolae.pirea@....nxp.com>, Jay Vosburgh <j.vosburgh@...il.com>, Andy
 Gospodarek <andy@...yhouse.net>, Nicolas Ferre
 <nicolas.ferre@...rochip.com>, Claudiu Beznea <claudiu.beznea@...on.dev>,
 Willem de Bruijn <willemdebruijn.kernel@...il.com>, Jonathan Corbet
 <corbet@....net>, Horatiu Vultur <horatiu.vultur@...rochip.com>,
 UNGLinuxDriver@...rochip.com, Simon Horman <horms@...nel.org>, Vladimir
 Oltean <vladimir.oltean@....com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, Maxime Chevallier
 <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH net-next v7 08/16] net: ethtool: Add a command to expose
 current time stamping layer

On Tue, 14 Nov 2023 12:28:36 +0100 Kory Maincent wrote:
> +		ops->get_ts_info(dev, &ts_info);
> +		if (ts_info.so_timestamping &
> +		    SOF_TIMESTAMPING_HARDWARE_MASK)
> +			data->ts_layer = MAC_TIMESTAMPING;
> +
> +		if (ts_info.so_timestamping &
> +		    SOF_TIMESTAMPING_SOFTWARE_MASK)
> +			data->ts_layer = SOFTWARE_TIMESTAMPING;

How does this work? so_timestamping is capabilities, not what's
enabled now. So if driver supports SW stamping we always return
SOFTWARE?

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