netdev - [PATCH net-next 13/14] net: hns3: add hwtstamp_get/hwtstamp

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Message-ID: <20251013163749.5047-8-vadim.fedorenko@linux.dev>
Date: Mon, 13 Oct 2025 16:37:48 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Shyam Sundar S K <Shyam-sundar.S-k@....com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Igor Russkikh <irusskikh@...vell.com>,
	Egor Pomozov <epomozov@...vell.com>,
	Potnuri Bharat Teja <bharat@...lsio.com>,
	Dimitris Michailidis <dmichail@...gible.com>,
	Jian Shen <shenjian15@...wei.com>,
	Salil Mehta <salil.mehta@...wei.com>,
	Jijie Shao <shaojijie@...wei.com>,
	Sunil Goutham <sgoutham@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	Bharat Bhushan <bbhushan2@...vell.com>,
	Tariq Toukan <tariqt@...dia.com>,
	Brett Creeley <brett.creeley@....com>,
	Niklas Söderlund <niklas.soderlund@...natech.se>,
	Paul Barker <paul@...rker.dev>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	MD Danish Anwar <danishanwar@...com>,
	Roger Quadros <rogerq@...nel.org>
Cc: Richard Cochran <richardcochran@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Vladimir Oltean <vladimir.oltean@....com>,
	netdev@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Subject: [PATCH net-next 13/14] net: hns3: add hwtstamp_get/hwtstamp_set ops

And .ndo_hwtstamp_get()/.ndo_hwtstamp_set() callbacks to HNS3 framework
to support HW timestamp configuration via netlink.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
---
 drivers/net/ethernet/hisilicon/hns3/hnae3.h   |  5 ++++
 .../net/ethernet/hisilicon/hns3/hns3_enet.c   | 29 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 3b548f71fa8a..d7c3df1958f3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -804,6 +804,11 @@ struct hnae3_ae_ops {
 	int (*dbg_get_read_func)(struct hnae3_handle *handle,
 				 enum hnae3_dbg_cmd cmd,
 				 read_func *func);
+	int (*hwtstamp_get)(struct hnae3_handle *handle,
+			    struct kernel_hwtstamp_config *config);
+	int (*hwtstamp_set)(struct hnae3_handle *handle,
+			    struct kernel_hwtstamp_config *config,
+			    struct netlink_ext_ack *extack);
 };
 
 struct hnae3_dcb_ops {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index bfa5568baa92..1e9388f1115c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2419,6 +2419,35 @@ static int hns3_nic_do_ioctl(struct net_device *netdev,
 	return h->ae_algo->ops->do_ioctl(h, ifr, cmd);
 }
 
+static int hns3_nic_hwtstamp_get(struct net_device *netdev,
+				 struct kernel_hwtstamp_config *config)
+{
+	struct hnae3_handle *h = hns3_get_handle(netdev);
+
+	if (!netif_running(netdev))
+		return -EINVAL;
+
+	if (!h->ae_algo->ops->hwtstamp_get)
+		return -EOPNOTSUPP;
+
+	return h->ae_algo->ops->hwtstamp_get(h, config);
+}
+
+static int hns3_nic_hwtstamp_set(struct net_device *netdev,
+				 struct kernel_hwtstamp_config *config,
+				 struct netlink_ext_ack *extack)
+{
+	struct hnae3_handle *h = hns3_get_handle(netdev);
+
+	if (!netif_running(netdev))
+		return -EINVAL;
+
+	if (!h->ae_algo->ops->hwtstamp_set)
+		return -EOPNOTSUPP;
+
+	return h->ae_algo->ops->hwtstamp_set(h, config, extack);
+}
+
 static int hns3_nic_set_features(struct net_device *netdev,
 				 netdev_features_t features)
 {
-- 
2.47.3