Commit ea294f39 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Jakub Kicinski
Browse files

net: dsa: ar9331: add support for pause stats 



Add support for pause stats.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: default avatarVladimir Oltean <olteanv@gmail.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 3d410403

drivers/net/dsa/qca/ar9331.c

+17 −0
Original line number Diff line number Diff line
@@ -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)