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net: dsa: microchip: get port link status

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Get port link status to know whether to read MIB counters when the link
is going down.

Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tristram Ha
2019-02-22 16:36:49 -08:00
committed by David S. Miller
parent 7c6ff470aa
commit c30d894b6a
3 changed files with 17 additions and 0 deletions
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1
drivers/net/dsa/microchip/ksz9477.c
View File

@@ -1196,6 +1196,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = {
.setup = ksz9477_setup, .setup = ksz9477_setup,
.phy_read = ksz9477_phy_read16, .phy_read = ksz9477_phy_read16,
.phy_write = ksz9477_phy_write16, .phy_write = ksz9477_phy_write16,
.adjust_link = ksz_adjust_link,
.port_enable = ksz_enable_port, .port_enable = ksz_enable_port,
.port_disable = ksz_disable_port, .port_disable = ksz_disable_port,
.get_strings = ksz9477_get_strings, .get_strings = ksz9477_get_strings,

14
drivers/net/dsa/microchip/ksz_common.c
View File

@@ -140,6 +140,20 @@ int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
} }
EXPORT_SYMBOL_GPL(ksz_phy_write16); EXPORT_SYMBOL_GPL(ksz_phy_write16);
void ksz_adjust_link(struct dsa_switch *ds, int port,
struct phy_device *phydev)
{
struct ksz_device *dev = ds->priv;
struct ksz_port *p = &dev->ports[port];
/* Read all MIB counters when the link is going down. */
if (!phydev->link) {
p->read = true;
schedule_work(&dev->mib_read);
}
}
EXPORT_SYMBOL_GPL(ksz_adjust_link);
int ksz_sset_count(struct dsa_switch *ds, int port, int sset) int ksz_sset_count(struct dsa_switch *ds, int port, int sset)
{ {
struct ksz_device *dev = ds->priv; struct ksz_device *dev = ds->priv;

2
drivers/net/dsa/microchip/ksz_common.h
View File

@@ -14,6 +14,8 @@ void ksz_init_mib_timer(struct ksz_device *dev);
int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg); int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg);
int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val); int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val);
void ksz_adjust_link(struct dsa_switch *ds, int port,
struct phy_device *phydev);
int ksz_sset_count(struct dsa_switch *ds, int port, int sset); int ksz_sset_count(struct dsa_switch *ds, int port, int sset);
void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf); void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf);
int ksz_port_bridge_join(struct dsa_switch *ds, int port, int ksz_port_bridge_join(struct dsa_switch *ds, int port,