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Date:   Sat, 18 Nov 2023 18:24:24 -0800
From:   Jakub Kicinski <kuba@kernel.org>
To:     Kory Maincent <kory.maincent@bootlin.com>
Cc:     Florian Fainelli <florian.fainelli@broadcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@broadcom.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        Richard Cochran <richardcochran@gmail.com>,
        Radu Pirea <radu-nicolae.pirea@oss.nxp.com>,
        Jay Vosburgh <j.vosburgh@gmail.com>,
        Andy Gospodarek <andy@greyhouse.net>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Claudiu Beznea <claudiu.beznea@tuxon.dev>,
        Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Horatiu Vultur <horatiu.vultur@microchip.com>,
        UNGLinuxDriver@microchip.com, Simon Horman <horms@kernel.org>,
        Vladimir Oltean <vladimir.oltean@nxp.com>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org,
        Maxime Chevallier <maxime.chevallier@bootlin.com>
Subject: Re: [PATCH net-next v7 08/16] net: ethtool: Add a command to expose
 current time stamping layer
Message-ID: <20231118182424.2d569940@kernel.org>
In-Reply-To: <20231114-feature_ptp_netnext-v7-8-472e77951e40@bootlin.com>
References: <20231114-feature_ptp_netnext-v7-0-472e77951e40@bootlin.com>
        <20231114-feature_ptp_netnext-v7-8-472e77951e40@bootlin.com>
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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?