netdev - [PATCH net-next v3 5/9] net: phy: micrel: add HW timestamp configuration reporting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251119124725.3935509-6-vadim.fedorenko@linux.dev>
Date: Wed, 19 Nov 2025 12:47:21 +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 v3 5/9] net: phy: micrel: 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/micrel.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 05de68b9f719..b149d539aec3 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -3147,6 +3147,18 @@ static void lan8814_flush_fifo(struct phy_device *phydev, bool egress)
 	lanphy_read_page_reg(phydev, LAN8814_PAGE_PORT_REGS, PTP_TSU_INT_STS);
 }
 
+static int lan8814_hwtstamp_get(struct mii_timestamper *mii_ts,
+				struct kernel_hwtstamp_config *config)
+{
+	struct kszphy_ptp_priv *ptp_priv =
+			  container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
+
+	config->tx_type = ptp_priv->hwts_tx_type;
+	config->rx_filter = ptp_priv->rx_filter;
+
+	return 0;
+}
+
 static int lan8814_hwtstamp_set(struct mii_timestamper *mii_ts,
 				struct kernel_hwtstamp_config *config,
 				struct netlink_ext_ack *extack)
@@ -4390,6 +4402,7 @@ static void lan8814_ptp_init(struct phy_device *phydev)
 	ptp_priv->mii_ts.rxtstamp = lan8814_rxtstamp;
 	ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
 	ptp_priv->mii_ts.hwtstamp_set = lan8814_hwtstamp_set;
+	ptp_priv->mii_ts.hwtstamp_get = lan8814_hwtstamp_get;
 	ptp_priv->mii_ts.ts_info  = lan8814_ts_info;
 
 	phydev->mii_ts = &ptp_priv->mii_ts;
@@ -5042,6 +5055,19 @@ static void lan8841_ptp_enable_processing(struct kszphy_ptp_priv *ptp_priv,
 #define LAN8841_PTP_TX_TIMESTAMP_EN		443
 #define LAN8841_PTP_TX_MOD			445
 
+static int lan8841_hwtstamp_get(struct mii_timestamper *mii_ts,
+				struct kernel_hwtstamp_config *config)
+{
+	struct kszphy_ptp_priv *ptp_priv;
+
+	ptp_priv = container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
+
+	config->tx_type = ptp_priv->hwts_tx_type;
+	config->rx_filter = ptp_priv->rx_filter;
+
+	return 0;
+}
+
 static int lan8841_hwtstamp_set(struct mii_timestamper *mii_ts,
 				struct kernel_hwtstamp_config *config,
 				struct netlink_ext_ack *extack)
@@ -5925,6 +5951,7 @@ static int lan8841_probe(struct phy_device *phydev)
 	ptp_priv->mii_ts.rxtstamp = lan8841_rxtstamp;
 	ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
 	ptp_priv->mii_ts.hwtstamp_set = lan8841_hwtstamp_set;
+	ptp_priv->mii_ts.hwtstamp_get = lan8841_hwtstamp_get;
 	ptp_priv->mii_ts.ts_info = lan8841_ts_info;
 
 	phydev->mii_ts = &ptp_priv->mii_ts;
-- 
2.47.3