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net: dsa: ar9331: add support for pause stats

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Add support for pause stats.

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>
This commit is contained in:
Oleksij Rempel
2022-06-28 10:51:53 +02:00
committed by Jakub Kicinski
parent 3d410403a5
commit ea294f39b4
1 changed files with 17 additions and 0 deletions
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17
drivers/net/dsa/qca/ar9331.c
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@@ -231,6 +231,7 @@ struct ar9331_sw_port {
int idx;
struct delayed_work mib_read;
struct rtnl_link_stats64 stats;
struct ethtool_pause_stats pause_stats;
struct spinlock stats_lock;
};
@@ -604,6 +605,7 @@ static void ar9331_sw_phylink_mac_link_up(struct dsa_switch *ds, int port,
static void ar9331_read_stats(struct ar9331_sw_port *port)
{
struct ar9331_sw_priv *priv = ar9331_sw_port_to_priv(port);
struct ethtool_pause_stats *pstats = &port->pause_stats;
struct rtnl_link_stats64 *stats = &port->stats;
struct ar9331_sw_stats_raw raw;
int ret;
@@ -644,6 +646,9 @@ static void ar9331_read_stats(struct ar9331_sw_port *port)
stats->multicast += raw.rxmulti;
stats->collisions += raw.txcollision;
pstats->tx_pause_frames += raw.txpause;
pstats->rx_pause_frames += raw.rxpause;
spin_unlock(&port->stats_lock);
}
@@ -668,6 +673,17 @@ static void ar9331_get_stats64(struct dsa_switch *ds, int port,
spin_unlock(&p->stats_lock);
}
static void ar9331_get_pause_stats(struct dsa_switch *ds, int port,
struct ethtool_pause_stats *pause_stats)
{
struct ar9331_sw_priv *priv = (struct ar9331_sw_priv *)ds->priv;
struct ar9331_sw_port *p = &priv->port[port];
spin_lock(&p->stats_lock);
memcpy(pause_stats, &p->pause_stats, sizeof(*pause_stats));
spin_unlock(&p->stats_lock);
}
static const struct dsa_switch_ops ar9331_sw_ops = {
.get_tag_protocol = ar9331_sw_get_tag_protocol,
.setup = ar9331_sw_setup,
@@ -677,6 +693,7 @@ static const struct dsa_switch_ops ar9331_sw_ops = {
.phylink_mac_link_down = ar9331_sw_phylink_mac_link_down,
.phylink_mac_link_up = ar9331_sw_phylink_mac_link_up,
.get_stats64 = ar9331_get_stats64,
.get_pause_stats = ar9331_get_pause_stats,
};
static irqreturn_t ar9331_sw_irq(int irq, void *data)