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net: dsa: allow switches driver to implement get/set EEE

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Allow switches driver to query and enable/disable EEE on a per-port
basis by implementing the ethtool_{get,set}_eee settings and delegating
these operations to the switch driver.

set_eee() will need to coordinate with the PHY driver to make sure that
EEE is enabled, the link-partner supports it and the auto-negotiation
result is satisfactory.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2014-09-24 17:05:21 -07:00 • committed by David S. Miller
parent b6d045db59
commit 7905288f09
2 changed files with 49 additions and 0 deletions
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9
include/net/dsa.h
View file

@ -232,6 +232,15 @@ struct dsa_switch_driver {
struct phy_device *phy); struct phy_device *phy);
void (*port_disable)(struct dsa_switch *ds, int port, void (*port_disable)(struct dsa_switch *ds, int port,
struct phy_device *phy); struct phy_device *phy);
/*
* EEE setttings
*/
int (*set_eee)(struct dsa_switch *ds, int port,
struct phy_device *phydev,
struct ethtool_eee *e);
int (*get_eee)(struct dsa_switch *ds, int port,
struct ethtool_eee *e);
}; };
void register_switch_driver(struct dsa_switch_driver *type); void register_switch_driver(struct dsa_switch_driver *type);

40
net/dsa/slave.c
View file

@ -342,6 +342,44 @@ static int dsa_slave_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
return ret; return ret;
} }
static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
int ret;
if (!ds->drv->set_eee)
return -EOPNOTSUPP;
ret = ds->drv->set_eee(ds, p->port, p->phy, e);
if (ret)
return ret;
if (p->phy)
ret = phy_ethtool_set_eee(p->phy, e);
return ret;
}
static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
int ret;
if (!ds->drv->get_eee)
return -EOPNOTSUPP;
ret = ds->drv->get_eee(ds, p->port, e);
if (ret)
return ret;
if (p->phy)
ret = phy_ethtool_get_eee(p->phy, e);
return ret;
}
static const struct ethtool_ops dsa_slave_ethtool_ops = { static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_settings = dsa_slave_get_settings, .get_settings = dsa_slave_get_settings,
.set_settings = dsa_slave_set_settings, .set_settings = dsa_slave_set_settings,
@ -353,6 +391,8 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_sset_count = dsa_slave_get_sset_count, .get_sset_count = dsa_slave_get_sset_count,
.set_wol = dsa_slave_set_wol, .set_wol = dsa_slave_set_wol,
.get_wol = dsa_slave_get_wol, .get_wol = dsa_slave_get_wol,
.set_eee = dsa_slave_set_eee,
.get_eee = dsa_slave_get_eee,
}; };
static const struct net_device_ops dsa_slave_netdev_ops = { static const struct net_device_ops dsa_slave_netdev_ops = {