Rather than have MAC drivers open code the test, add a helper in phylib. This will help when we change the type of phydev->supported.
Signed-off-by: Andrew Lunn <and...@lunn.ch> --- .../ethernet/apm/xgene/xgene_enet_ethtool.c | 4 +--- drivers/net/ethernet/broadcom/tg3.c | 4 +--- .../ethernet/freescale/dpaa/dpaa_ethtool.c | 4 +--- .../net/ethernet/freescale/gianfar_ethtool.c | 4 +--- drivers/net/phy/phy_device.c | 20 +++++++++++++++++++ include/linux/phy.h | 2 ++ 6 files changed, 26 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c index dfe03afd00b0..78dd09b5beeb 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c @@ -312,9 +312,7 @@ static int xgene_set_pauseparam(struct net_device *ndev, if (!phydev) return -EINVAL; - if (!(phydev->supported & SUPPORTED_Pause) || - (!(phydev->supported & SUPPORTED_Asym_Pause) && - pp->rx_pause != pp->tx_pause)) + if (!phy_validate_pause(phydev, pp)) return -EINVAL; pdata->pause_autoneg = pp->autoneg; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index b406b6e34a8c..c6b5a9932d79 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -12496,9 +12496,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr); - if (!(phydev->supported & SUPPORTED_Pause) || - (!(phydev->supported & SUPPORTED_Asym_Pause) && - (epause->rx_pause != epause->tx_pause))) + if (!phy_validate_pause(phydev, epause)) return -EINVAL; tp->link_config.flowctrl = 0; diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c index 80a9f2758030..0f0ebdb791cf 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c @@ -194,9 +194,7 @@ static int dpaa_set_pauseparam(struct net_device *net_dev, return -ENODEV; } - if (!(phydev->supported & SUPPORTED_Pause) || - (!(phydev->supported & SUPPORTED_Asym_Pause) && - (epause->rx_pause != epause->tx_pause))) + if (!phy_validate_pause(phydev, epause)) return -EINVAL; /* The MAC should know how to handle PAUSE frame autonegotiation before diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 589a99718694..f8e08ee0be19 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -507,9 +507,7 @@ static int gfar_spauseparam(struct net_device *dev, if (!phydev) return -ENODEV; - if (!(phydev->supported & SUPPORTED_Pause) || - (!(phydev->supported & SUPPORTED_Asym_Pause) && - (epause->rx_pause != epause->tx_pause))) + if (!phy_validate_pause(phydev, epause)) return -EINVAL; priv->rx_pause_en = priv->tx_pause_en = 0; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 3078792b900f..c1fdb01d56d2 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1854,6 +1854,26 @@ void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx) } EXPORT_SYMBOL(phy_set_asym_pause); +/** + * phy_validate_pause - Test if the PHY/MAC support the pause configuration + * @phydev: phy_device struct + * @pp: requested pause configuration + * + * Description: Test if the PHY/MAC combination supports the Pause + * configuration the user is requesting. Returns True if it is + * supported, false otherwise. + */ +bool phy_validate_pause(struct phy_device *phydev, + struct ethtool_pauseparam *pp) +{ + if (!(phydev->supported & SUPPORTED_Pause) || + (!(phydev->supported & SUPPORTED_Asym_Pause) && + pp->rx_pause != pp->tx_pause)) + return false; + return true; +} +EXPORT_SYMBOL(phy_validate_pause); + static void of_set_phy_supported(struct phy_device *phydev) { struct device_node *node = phydev->mdio.dev.of_node; diff --git a/include/linux/phy.h b/include/linux/phy.h index 205fb966d686..a8df64841e31 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1054,6 +1054,8 @@ void phy_support_pause(struct phy_device *phydev); void phy_support_asym_pause(struct phy_device *phydev); void phy_set_pause(struct phy_device *phydev, bool rx, bool autoneg); void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx); +bool phy_validate_pause(struct phy_device *phydev, + struct ethtool_pauseparam *pp); int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, int (*run)(struct phy_device *)); -- 2.19.0.rc1