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authorOleksij Rempel <o.rempel@pengutronix.de>2022-06-28 10:51:54 +0200
committerJakub Kicinski <kuba@kernel.org>2022-06-29 20:17:12 -0700
commitc4748ff6566b77d236052375747576009a1af1f7 (patch)
tree7740bc1736dd5e022cc95f93d13765d944f65e9f /drivers/net/dsa
parentea294f39b4382b7932285e52607bc668d83b31da (diff)
downloadlinux-c4748ff6566b77d236052375747576009a1af1f7.tar.bz2
net: dsa: microchip: add pause stats support
Add support for pause specific stats. Tested on ksz9477. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa')
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c19
-rw-r--r--drivers/net/dsa/microchip/ksz_common.h1
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 1354804171a1..5e534f7bce0b 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -671,12 +671,14 @@ static void ksz_phylink_get_caps(struct dsa_switch *ds, int port,
void ksz_r_mib_stats64(struct ksz_device *dev, int port)
{
+ struct ethtool_pause_stats *pstats;
struct rtnl_link_stats64 *stats;
struct ksz_stats_raw *raw;
struct ksz_port_mib *mib;
mib = &dev->ports[port].mib;
stats = &mib->stats64;
+ pstats = &mib->pause_stats;
raw = (struct ksz_stats_raw *)mib->counters;
spin_lock(&mib->stats64_lock);
@@ -708,6 +710,9 @@ void ksz_r_mib_stats64(struct ksz_device *dev, int port)
stats->multicast = raw->rx_mcast;
stats->collisions = raw->tx_total_col;
+ pstats->tx_pause_frames = raw->tx_pause;
+ pstats->rx_pause_frames = raw->rx_pause;
+
spin_unlock(&mib->stats64_lock);
}
@@ -724,6 +729,19 @@ static void ksz_get_stats64(struct dsa_switch *ds, int port,
spin_unlock(&mib->stats64_lock);
}
+static void ksz_get_pause_stats(struct dsa_switch *ds, int port,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct ksz_device *dev = ds->priv;
+ struct ksz_port_mib *mib;
+
+ mib = &dev->ports[port].mib;
+
+ spin_lock(&mib->stats64_lock);
+ memcpy(pause_stats, &mib->pause_stats, sizeof(*pause_stats));
+ spin_unlock(&mib->stats64_lock);
+}
+
static void ksz_get_strings(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *buf)
{
@@ -1336,6 +1354,7 @@ static const struct dsa_switch_ops ksz_switch_ops = {
.port_mirror_add = ksz_port_mirror_add,
.port_mirror_del = ksz_port_mirror_del,
.get_stats64 = ksz_get_stats64,
+ .get_pause_stats = ksz_get_pause_stats,
.port_change_mtu = ksz_change_mtu,
.port_max_mtu = ksz_max_mtu,
};
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 91fbb3b62536..b61e569a9949 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -25,6 +25,7 @@ struct ksz_port_mib {
u8 cnt_ptr;
u64 *counters;
struct rtnl_link_stats64 stats64;
+ struct ethtool_pause_stats pause_stats;
struct spinlock stats64_lock;
};