diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r-- | drivers/net/phy/phy_device.c | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 28e3c5c0e3c3..a585faf8b844 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1935,9 +1935,10 @@ int genphy_update_link(struct phy_device *phydev) /* The link state is latched low so that momentary link * drops can be detected. Do not double-read the status - * in polling mode to detect such short link drops. + * in polling mode to detect such short link drops except + * the link was already down. */ - if (!phy_polling_mode(phydev)) { + if (!phy_polling_mode(phydev) || !phydev->link) { status = phy_read(phydev, MII_BMSR); if (status < 0) return status; @@ -2366,22 +2367,7 @@ void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx) __ETHTOOL_DECLARE_LINK_MODE_MASK(oldadv); linkmode_copy(oldadv, phydev->advertising); - - linkmode_clear_bit(ETHTOOL_LINK_MODE_Pause_BIT, - phydev->advertising); - linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, - phydev->advertising); - - if (rx) { - linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, - phydev->advertising); - linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, - phydev->advertising); - } - - if (tx) - linkmode_change_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, - phydev->advertising); + linkmode_set_pause(phydev->advertising, tx, rx); if (!linkmode_equal(oldadv, phydev->advertising) && phydev->autoneg) @@ -2414,6 +2400,32 @@ bool phy_validate_pause(struct phy_device *phydev, } EXPORT_SYMBOL(phy_validate_pause); +/** + * phy_get_pause - resolve negotiated pause modes + * @phydev: phy_device struct + * @tx_pause: pointer to bool to indicate whether transmit pause should be + * enabled. + * @rx_pause: pointer to bool to indicate whether receive pause should be + * enabled. + * + * Resolve and return the flow control modes according to the negotiation + * result. This includes checking that we are operating in full duplex mode. + * See linkmode_resolve_pause() for further details. + */ +void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause) +{ + if (phydev->duplex != DUPLEX_FULL) { + *tx_pause = false; + *rx_pause = false; + return; + } + + return linkmode_resolve_pause(phydev->advertising, + phydev->lp_advertising, + tx_pause, rx_pause); +} +EXPORT_SYMBOL(phy_get_pause); + static bool phy_drv_supports_irq(struct phy_driver *phydrv) { return phydrv->config_intr && phydrv->ack_interrupt; |