[PATCH net-next v3 01/12] net: dsa: add support for ethtool get_rmon_stats()

From: Clément Léger
Date: Wed May 04 2022 - 05:32:04 EST


Add support to allow dsa drivers to specify the .get_rmon_stats()
operation.

Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx>
---
include/net/dsa.h | 3 +++
net/dsa/slave.c | 13 +++++++++++++
2 files changed, 16 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 934958fda962..d9da32aacbf1 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -873,6 +873,9 @@ struct dsa_switch_ops {
struct ethtool_eth_mac_stats *mac_stats);
void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port,
struct ethtool_eth_ctrl_stats *ctrl_stats);
+ 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_stats64)(struct dsa_switch *ds, int port,
struct rtnl_link_stats64 *s);
void (*self_test)(struct dsa_switch *ds, int port,
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 5ee0aced9410..27c8d28fd9d8 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1026,6 +1026,18 @@ dsa_slave_get_eth_ctrl_stats(struct net_device *dev,
ds->ops->get_eth_ctrl_stats(ds, dp->index, ctrl_stats);
}

+static void
+dsa_slave_get_rmon_stats(struct net_device *dev,
+ struct ethtool_rmon_stats *rmon_stats,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+ struct dsa_switch *ds = dp->ds;
+
+ if (ds->ops->get_rmon_stats)
+ ds->ops->get_rmon_stats(ds, dp->index, rmon_stats, ranges);
+}
+
static void dsa_slave_net_selftest(struct net_device *ndev,
struct ethtool_test *etest, u64 *buf)
{
@@ -2105,6 +2117,7 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_eth_phy_stats = dsa_slave_get_eth_phy_stats,
.get_eth_mac_stats = dsa_slave_get_eth_mac_stats,
.get_eth_ctrl_stats = dsa_slave_get_eth_ctrl_stats,
+ .get_rmon_stats = dsa_slave_get_rmon_stats,
.set_wol = dsa_slave_set_wol,
.get_wol = dsa_slave_get_wol,
.set_eee = dsa_slave_set_eee,
--
2.34.1