Commit c4748ff6 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Jakub Kicinski
Browse files

net: dsa: microchip: add pause stats support 



Add support for pause specific stats.

Tested on ksz9477.

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 ea294f39

drivers/net/dsa/microchip/ksz_common.c

+19 −0
Original line number Diff line number Diff line
@@ -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,

};

drivers/net/dsa/microchip/ksz_common.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

};