netdev - [PATCH net-next v6 05/16] net: Make dev_set_hwtstamp

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Message-Id: <20231019-feature_ptp_netnext-v6-5-71affc27b0e5@bootlin.com>
Date: Thu, 19 Oct 2023 16:29:20 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Richard Cochran <richardcochran@...il.com>, 
 Radu Pirea <radu-nicolae.pirea@....nxp.com>, 
 Jay Vosburgh <j.vosburgh@...il.com>, Andy Gospodarek <andy@...yhouse.net>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Willem de Bruijn <willemdebruijn.kernel@...il.com>, 
 Jonathan Corbet <corbet@....net>, 
 Horatiu Vultur <horatiu.vultur@...rochip.com>, UNGLinuxDriver@...rochip.com, 
 Simon Horman <horms@...nel.org>, Vladimir Oltean <vladimir.oltean@....com>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, 
 Maxime Chevallier <maxime.chevallier@...tlin.com>, 
 Kory Maincent <kory.maincent@...tlin.com>
Subject: [PATCH net-next v6 05/16] net: Make dev_set_hwtstamp_phylib
 accessible

Make the dev_set_hwtstamp_phylib function accessible in prevision to use
it from ethtool to reset the tstamp current configuration.

Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
---

Change in v6:
- Add missing EXPORT_SYMBOL_GPL call.
---
 include/linux/netdevice.h | 3 +++
 net/core/dev_ioctl.c      | 7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e070a4540fba..b9d0411836db 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3922,6 +3922,9 @@ int generic_hwtstamp_get_lower(struct net_device *dev,
 int generic_hwtstamp_set_lower(struct net_device *dev,
 			       struct kernel_hwtstamp_config *kernel_cfg,
 			       struct netlink_ext_ack *extack);
+int dev_set_hwtstamp_phylib(struct net_device *dev,
+			    struct kernel_hwtstamp_config *cfg,
+			    struct netlink_ext_ack *extack);
 int dev_ethtool(struct net *net, struct ifreq *ifr, void __user *userdata);
 unsigned int dev_get_flags(const struct net_device *);
 int __dev_change_flags(struct net_device *dev, unsigned int flags,
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index b46aedc36939..cb60b0b9c31d 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -322,9 +322,9 @@ static int dev_get_hwtstamp(struct net_device *dev, struct ifreq *ifr)
  * frames and not forward them), it must set IFF_SEE_ALL_HWTSTAMP_REQUESTS in
  * dev->priv_flags.
  */
-static int dev_set_hwtstamp_phylib(struct net_device *dev,
-				   struct kernel_hwtstamp_config *cfg,
-				   struct netlink_ext_ack *extack)
+int dev_set_hwtstamp_phylib(struct net_device *dev,
+			    struct kernel_hwtstamp_config *cfg,
+			    struct netlink_ext_ack *extack)
 {
 	const struct net_device_ops *ops = dev->netdev_ops;
 	bool phy_ts = phy_has_hwtstamp(dev->phydev);
@@ -363,6 +363,7 @@ static int dev_set_hwtstamp_phylib(struct net_device *dev,

 	return 0;
 }
+EXPORT_SYMBOL_GPL(dev_set_hwtstamp_phylib);

 static int dev_set_hwtstamp(struct net_device *dev, struct ifreq *ifr)
 {

-- 
2.25.1