diff mbox series

[net-next,v2,2/4] net: dsa: ar9331: add support for pause stats

Message ID 20220628085155.2591201-3-o.rempel@pengutronix.de (mailing list archive)
State Accepted
Commit ea294f39b4382b7932285e52607bc668d83b31da
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: add pause stats support | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 3 maintainers not CCed: rmk+kernel@armlinux.org.uk linux@armlinux.org.uk linux@rempel-privat.de
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 47 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Oleksij Rempel June 28, 2022, 8:51 a.m. UTC 
Add support for pause stats.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/dsa/qca/ar9331.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Comments

Vladimir Oltean June 28, 2022, 10:11 a.m. UTC | #1 
On Tue, Jun 28, 2022 at 10:51:53AM +0200, Oleksij Rempel wrote:
> Add support for pause stats.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---

Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Florian Fainelli June 28, 2022, 2:46 p.m. UTC | #2 
On 6/28/2022 1:51 AM, Oleksij Rempel wrote:
> Add support for pause stats.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff mbox series

Patch

diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
index fb3fe74abfe6..b286e4e9c2c4 100644
--- a/drivers/net/dsa/qca/ar9331.c
+++ b/drivers/net/dsa/qca/ar9331.c
@@ -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;
 };
 
@@ -606,6 +607,7 @@  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;
@@ -646,6 +648,9 @@  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);
 }
 
@@ -670,6 +675,17 @@  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,
@@ -679,6 +695,7 @@  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)