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net: dsa: add optional stats64 support

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Allow DSA drivers to export stats64

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Oleksij Rempel 2021-01-11 11:46:57 +01:00 committed by Jakub Kicinski
parent 46e05e1df6
commit c2ec5f2ecf
2 changed files with 16 additions and 2 deletions
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4
include/net/dsa.h
View file

@ -482,7 +482,7 @@ struct dsa_switch_ops {
void (*phylink_fixed_state)(struct dsa_switch *ds, int port,
struct phylink_link_state *state);
/*
* ethtool hardware statistics.
* Port statistics counters.
*/
void (*get_strings)(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *data);
@ -491,6 +491,8 @@ struct dsa_switch_ops {
int (*get_sset_count)(struct dsa_switch *ds, int port, int sset);
void (*get_ethtool_phy_stats)(struct dsa_switch *ds,
int port, uint64_t *data);
void (*get_stats64)(struct dsa_switch *ds, int port,
struct rtnl_link_stats64 *s);
/*
* ethtool Wake-on-LAN

14
net/dsa/slave.c
View file

@ -1569,6 +1569,18 @@ static struct devlink_port *dsa_slave_get_devlink_port(struct net_device *dev)
return dp->ds->devlink ? &dp->devlink_port : NULL;
}
static void dsa_slave_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *s)
{
struct dsa_port *dp = dsa_slave_to_port(dev);
struct dsa_switch *ds = dp->ds;
if (ds->ops->get_stats64)
ds->ops->get_stats64(ds, dp->index, s);
else
dev_get_tstats64(dev, s);
}
static const struct net_device_ops dsa_slave_netdev_ops = {
.ndo_open = dsa_slave_open,
.ndo_stop = dsa_slave_close,
@ -1588,7 +1600,7 @@ static const struct net_device_ops dsa_slave_netdev_ops = {
#endif
.ndo_get_phys_port_name = dsa_slave_get_phys_port_name,
.ndo_setup_tc = dsa_slave_setup_tc,
.ndo_get_stats64 = dev_get_tstats64,
.ndo_get_stats64 = dsa_slave_get_stats64,
.ndo_get_port_parent_id = dsa_slave_get_port_parent_id,
.ndo_vlan_rx_add_vid = dsa_slave_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = dsa_slave_vlan_rx_kill_vid,