netdev - [PATCH net-next v2 6/9] net: phy: microchip_rds_ptp: add HW timestamp configuration reporting

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Message-ID: <20251113113207.3928966-7-vadim.fedorenko@linux.dev>
Date: Thu, 13 Nov 2025 11:32:04 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Russell King <linux@...linux.org.uk>,
	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>,
	Andrei Botila <andrei.botila@....nxp.com>,
	Richard Cochran <richardcochran@...il.com>,
	Andrew Lunn <andrew@...n.ch>
Cc: Simon Horman <horms@...nel.org>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Jacob Keller <jacob.e.keller@...el.com>,
	Kory Maincent <kory.maincent@...tlin.com>,
	bcm-kernel-feedback-list@...adcom.com,
	netdev@...r.kernel.org,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Subject: [PATCH net-next v2 6/9] net: phy: microchip_rds_ptp: add HW timestamp configuration reporting

The driver stores HW timestamping configuration and can technically
report it. Add callback to do it.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
---
 drivers/net/phy/microchip_rds_ptp.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/phy/microchip_rds_ptp.c b/drivers/net/phy/microchip_rds_ptp.c
index 4c6326b0ceaf..d2beb3a2e6c3 100644
--- a/drivers/net/phy/microchip_rds_ptp.c
+++ b/drivers/net/phy/microchip_rds_ptp.c
@@ -476,6 +476,18 @@ static bool mchp_rds_ptp_rxtstamp(struct mii_timestamper *mii_ts,
 	return true;
 }
 
+static int mchp_rds_ptp_hwtstamp_get(struct mii_timestamper *mii_ts,
+				     struct kernel_hwtstamp_config *config)
+{
+	struct mchp_rds_ptp_clock *clock =
+				container_of(mii_ts, struct mchp_rds_ptp_clock,
+					     mii_ts);
+	config->tx_type = clock->hwts_tx_type;
+	config->rx_filter = clock->rx_filter;
+
+	return 0;
+}
+
 static int mchp_rds_ptp_hwtstamp_set(struct mii_timestamper *mii_ts,
 				     struct kernel_hwtstamp_config *config,
 				     struct netlink_ext_ack *extack)
@@ -1282,6 +1294,7 @@ struct mchp_rds_ptp_clock *mchp_rds_ptp_probe(struct phy_device *phydev, u8 mmd,
 	clock->mii_ts.rxtstamp = mchp_rds_ptp_rxtstamp;
 	clock->mii_ts.txtstamp = mchp_rds_ptp_txtstamp;
 	clock->mii_ts.hwtstamp_set = mchp_rds_ptp_hwtstamp_set;
+	clock->mii_ts.hwtstamp_get = mchp_rds_ptp_hwtstamp_get;
 	clock->mii_ts.ts_info = mchp_rds_ptp_ts_info;
 
 	phydev->mii_ts = &clock->mii_ts;
-- 
2.47.3