[PATCH net-next v4 5/7] phy: mscc: add HW timestamp configuration reporting

[Vadim Fedorenko <vadim.fedorenko@linux.dev>]

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

Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
---
 drivers/net/phy/mscc/mscc_ptp.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
index dc06614222f6..4865eac74b0e 100644
--- a/drivers/net/phy/mscc/mscc_ptp.c
+++ b/drivers/net/phy/mscc/mscc_ptp.c
@@ -1051,6 +1051,18 @@ static void vsc85xx_ts_reset_fifo(struct phy_device *phydev)
 			     val);
 }
 
+static int vsc85xx_hwtstamp_get(struct mii_timestamper *mii_ts,
+				struct kernel_hwtstamp_config *cfg)
+{
+	struct vsc8531_private *vsc8531 =
+		container_of(mii_ts, struct vsc8531_private, mii_ts);
+
+	cfg->tx_type = vsc8531->ptp->tx_type;
+	cfg->rx_filter = vsc8531->ptp->rx_filter;
+
+	return 0;
+}
+
 static int vsc85xx_hwtstamp_set(struct mii_timestamper *mii_ts,
 				struct kernel_hwtstamp_config *cfg,
 				struct netlink_ext_ack *extack)
@@ -1612,6 +1624,7 @@ int vsc8584_ptp_probe(struct phy_device *phydev)
 	vsc8531->mii_ts.rxtstamp = vsc85xx_rxtstamp;
 	vsc8531->mii_ts.txtstamp = vsc85xx_txtstamp;
 	vsc8531->mii_ts.hwtstamp_set = vsc85xx_hwtstamp_set;
+	vsc8531->mii_ts.hwtstamp_get = vsc85xx_hwtstamp_get;
 	vsc8531->mii_ts.ts_info  = vsc85xx_ts_info;
 	phydev->mii_ts = &vsc8531->mii_ts;
 
-- 
2.47.3