netdev - [PATCH RFC net-next 02/20] net: phy: add hwtstamp

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 for Android: free password hash cracker in your pocket

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

Message-Id: <E1uzIb0-00000006mzE-03Vf@rmk-PC.armlinux.org.uk>
Date: Thu, 18 Sep 2025 18:39:02 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: netdev@...r.kernel.org
Cc: Andrew Lunn <andrew@...n.ch>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Richard Cochran <richardcochran@...il.com>,
	Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH RFC net-next 02/20] net: phy: add hwtstamp_get() method for
 mii timestampers

Add the missing hwtstamp_get() method for mii timestampers so PHYs can
report their configuration back to userspace.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/phy.c           | 3 +++
 include/linux/mii_timestamper.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index e046dd858f15..b028c53c459a 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -476,6 +476,9 @@ int __phy_hwtstamp_get(struct phy_device *phydev,
 	if (!phydev)
 		return -ENODEV;
 
+	if (phydev->mii_ts && phydev->mii_ts->hwtstamp_get)
+		return phydev->mii_ts->hwtstamp_get(phydev->mii_ts, config);
+
 	return -EOPNOTSUPP;
 }
 
diff --git a/include/linux/mii_timestamper.h b/include/linux/mii_timestamper.h
index 995db62570f9..a71f03d1585f 100644
--- a/include/linux/mii_timestamper.h
+++ b/include/linux/mii_timestamper.h
@@ -55,6 +55,9 @@ struct mii_timestamper {
 			 struct kernel_hwtstamp_config *kernel_config,
 			 struct netlink_ext_ack *extack);
 
+	int  (*hwtstamp_get)(struct mii_timestamper *mii_ts,
+			     struct kernel_hwtstamp_config *kernel_config);
+
 	void (*link_state)(struct mii_timestamper *mii_ts,
 			   struct phy_device *phydev);
 
-- 
2.47.3