[PATCH net-next v2 1/4] net: dsa: add get_pause_stats support

Oleksij Rempel
2022-06-28T08:52:15Z

Add support for pause stats

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
---
include/net/dsa.h | 2 ++
net/dsa/slave.c | 11 +++++++++++
2 files changed, 13 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 33283eeda697..ea7bf007f34f 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -895,6 +895,8 @@ struct dsa_switch_ops {
const struct ethtool_rmon_hist_range **ranges);
void (*get_stats64)(struct dsa_switch *ds, int port,
struct rtnl_link_stats64 *s);
+ void (*get_pause_stats)(struct dsa_switch *ds, int port,
+ struct ethtool_pause_stats *pause_stats);
void (*self_test)(struct dsa_switch *ds, int port,
struct ethtool_test *etest, u64 *data);

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 760ca58307a3..ad6a6663feeb 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1109,6 +1109,16 @@ static int dsa_slave_set_link_ksettings(struct net_device *dev,
return phylink_ethtool_ksettings_set(dp->pl, cmd);
}

+static void dsa_slave_get_pause_stats(struct net_device *dev,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+ struct dsa_switch *ds = dp->ds;
+
+ if (ds->ops->get_pause_stats)
+ ds->ops->get_pause_stats(ds, dp->index, pause_stats);
+}
+
static void dsa_slave_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
@@ -2100,6 +2110,7 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_eee = dsa_slave_get_eee,
.get_link_ksettings = dsa_slave_get_link_ksettings,
.set_link_ksettings = dsa_slave_set_link_ksettings,
+ .get_pause_stats = dsa_slave_get_pause_stats,
.get_pauseparam = dsa_slave_get_pauseparam,
.set_pauseparam = dsa_slave_set_pauseparam,
.get_rxnfc = dsa_slave_get_rxnfc,
--
2.30.2