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Date: Sat, 12 Dec 2020 15:51:52 +0200 From: Vladimir Oltean <olteanv@...il.com> To: Oleksij Rempel <o.rempel@...gutronix.de> Cc: Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Florian Fainelli <f.fainelli@...il.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Russell King <linux@...linux.org.uk>, Pengutronix Kernel Team <kernel@...gutronix.de>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org Subject: Re: [PATCH v5 1/2] net: dsa: add optional stats64 support On Fri, Dec 11, 2020 at 11:53:21AM +0100, Oleksij Rempel wrote: > Allow DSA drivers to export stats64 > > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de> > Reviewed-by: Vladimir Oltean <olteanv@...il.com> > --- > include/net/dsa.h | 3 +++ > net/dsa/slave.c | 14 +++++++++++++- > 2 files changed, 16 insertions(+), 1 deletion(-) > > diff --git a/include/net/dsa.h b/include/net/dsa.h > index 4e60d2610f20..457b89143875 100644 > --- a/include/net/dsa.h > +++ b/include/net/dsa.h > @@ -655,6 +655,9 @@ struct dsa_switch_ops { > int (*port_change_mtu)(struct dsa_switch *ds, int port, > int new_mtu); > int (*port_max_mtu)(struct dsa_switch *ds, int port); > + > + void (*get_stats64)(struct dsa_switch *ds, int port, > + struct rtnl_link_stats64 *s); Nitpick: I would have probably put it under the "ethtool hardware statistics." category, at the same time renaming it into "Port statistics counters." > }; > > #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ > diff --git a/net/dsa/slave.c b/net/dsa/slave.c > index ff2266d2b998..6e1a4dc18a97 100644 > --- a/net/dsa/slave.c > +++ b/net/dsa/slave.c > @@ -1602,6 +1602,18 @@ 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) > + return dev_get_tstats64(dev, s); > + > + return ds->ops->get_stats64(ds, dp->index, s); > +} > + > static const struct net_device_ops dsa_slave_netdev_ops = { > .ndo_open = dsa_slave_open, > .ndo_stop = dsa_slave_close, > @@ -1621,7 +1633,7 @@ 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, > -- > 2.29.2 >
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