diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index e657d5ae2ab8..5732d89c8e37 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1810,6 +1810,36 @@ void phy_support_asym_pause(struct phy_device *phydev) } EXPORT_SYMBOL(phy_support_asym_pause); +/** + * phy_set_asym_pause - Configure Pause and Asym Pause + * @phydev: target phy_device struct + * @rx: Receiver Pause is supported + * @tx: Transmit Pause is supported + * + * Description: Configure advertised Pause support depending on if + * transmit and receiver pause is supported. If there has been a + * change in adverting, trigger a new autoneg. Generally called from + * the set_pauseparam .ndo. + */ +void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx) +{ + u16 oldadv = phydev->advertising; + u16 newadv = oldadv &= ~(SUPPORTED_Pause | SUPPORTED_Asym_Pause); + + if (rx) + newadv |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + if (tx) + newadv ^= SUPPORTED_Asym_Pause; + + if (oldadv != newadv) { + phydev->advertising = newadv; + + if (phydev->autoneg) + phy_start_aneg(phydev); + } +} +EXPORT_SYMBOL(phy_set_asym_pause); + static void of_set_phy_supported(struct phy_device *phydev) { struct device_node *node = phydev->mdio.dev.of_node; |