diff options
| author |   Tristram Ha <Tristram.Ha@microchip.com> | 2019-02-22 16:36:49 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-02-24 17:49:59 -0800 |
| commit | c30d894b6a6a2d1c7ea47d06e6ad4fb5cf0b4999 (patch) | |
| tree | aade3f420cf3c5843e8493280286839dc96bb8d7 /drivers/net/dsa/microchip | |
| parent | net: dsa: microchip: add MIB counter reading support (diff) | |
| download | linux-dev-c30d894b6a6a2d1c7ea47d06e6ad4fb5cf0b4999.tar.xz linux-dev-c30d894b6a6a2d1c7ea47d06e6ad4fb5cf0b4999.zip | |
net: dsa: microchip: get port link status
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>
Diffstat (limited to 'drivers/net/dsa/microchip')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 1 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.c | 14 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 2 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 94cd38515ab8..1b8267c8177f 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1196,6 +1196,7 @@ static const struct dsa_switch_ops ksz9477_switch_ops = { .setup = ksz9477_setup, .phy_read = ksz9477_phy_read16, .phy_write = ksz9477_phy_write16, + .adjust_link = ksz_adjust_link, .port_enable = ksz_enable_port, .port_disable = ksz_disable_port, .get_strings = ksz9477_get_strings, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index eecfbf30cdc2..0589fc7ad09e 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -140,6 +140,20 @@ int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val) } 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) { struct ksz_device *dev = ds->priv; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index f45a55369e4b..eb29bb076e67 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -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_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); 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, |