phy: mscc: add HW timestamp configuration reporting

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>
Link: https://patch.msgid.link/20251124181151.277256-6-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
index dc06614222f6a75f9a946a0edf571afcf996d05b..4865eac74b0ed08e5b48e269ba0c27e7eda8b07f 100644 (file)
--- 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;