netdev - [PATCH v2 net-next 2/4] net: dsa: implement get_ts

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Message-ID: <20250116104628.123555-3-vladimir.oltean@nxp.com>
Date: Thu, 16 Jan 2025 12:46:26 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Andrew Lunn <andrew@...n.ch>,
	Claudiu Manoil <claudiu.manoil@....com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	Daniel Machon <daniel.machon@...rochip.com>,
	UNGLinuxDriver@...rochip.com,
	Xiaoliang Yang <xiaoliang.yang_1@....com>,
	Yangbo Lu <yangbo.lu@....com>,
	Richard Cochran <richardcochran@...il.com>
Subject: [PATCH v2 net-next 2/4] net: dsa: implement get_ts_stats ethtool operation for user ports

Integrate with the standard infrastructure for reporting hardware packet
timestamping statistics.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
Reviewed-by: Jakub Kicinski <kuba@...nel.org>
---
v1->v2: none

 include/net/dsa.h |  2 ++
 net/dsa/user.c    | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 9640d5c67f56..a0a9481c52c2 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -906,6 +906,8 @@ struct dsa_switch_ops {
 	void	(*get_rmon_stats)(struct dsa_switch *ds, int port,
 				  struct ethtool_rmon_stats *rmon_stats,
 				  const struct ethtool_rmon_hist_range **ranges);
+	void	(*get_ts_stats)(struct dsa_switch *ds, int port,
+				struct ethtool_ts_stats *ts_stats);
 	void	(*get_stats64)(struct dsa_switch *ds, int port,
 				   struct rtnl_link_stats64 *s);
 	void	(*get_pause_stats)(struct dsa_switch *ds, int port,
diff --git a/net/dsa/user.c b/net/dsa/user.c
index c74f2b2b92de..291ab1b4acc4 100644
--- a/net/dsa/user.c
+++ b/net/dsa/user.c
@@ -1150,6 +1150,16 @@ dsa_user_get_rmon_stats(struct net_device *dev,
 		ds->ops->get_rmon_stats(ds, dp->index, rmon_stats, ranges);
 }
 
+static void dsa_user_get_ts_stats(struct net_device *dev,
+				  struct ethtool_ts_stats *ts_stats)
+{
+	struct dsa_port *dp = dsa_user_to_port(dev);
+	struct dsa_switch *ds = dp->ds;
+
+	if (ds->ops->get_ts_stats)
+		ds->ops->get_ts_stats(ds, dp->index, ts_stats);
+}
+
 static void dsa_user_net_selftest(struct net_device *ndev,
 				  struct ethtool_test *etest, u64 *buf)
 {
@@ -2501,6 +2511,7 @@ static const struct ethtool_ops dsa_user_ethtool_ops = {
 	.get_eth_mac_stats	= dsa_user_get_eth_mac_stats,
 	.get_eth_ctrl_stats	= dsa_user_get_eth_ctrl_stats,
 	.get_rmon_stats		= dsa_user_get_rmon_stats,
+	.get_ts_stats		= dsa_user_get_ts_stats,
 	.set_wol		= dsa_user_set_wol,
 	.get_wol		= dsa_user_get_wol,
 	.set_eee		= dsa_user_set_eee,
-- 
2.43.0