From 744e458aebf8dc7f33eee9af61aeb0145de921a6 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Sun, 17 Feb 2019 10:28:33 +0100 Subject: [PATCH] net: phy: add helper linkmode_adv_to_mii_10gbt_adv_t Add a helper linkmode_adv_to_mii_10gbt_adv_t(), similar to linkmode_adv_to_mii_adv_t. Signed-off-by: Heiner Kallweit Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- include/linux/mdio.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/include/linux/mdio.h b/include/linux/mdio.h index bfa7114167d7..dd46828b4c47 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -261,6 +261,31 @@ static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv) return reg; } +/** + * linkmode_adv_to_mii_10gbt_adv_t + * @advertising: the linkmode advertisement settings + * + * A small helper function that translates linkmode advertisement + * settings to phy autonegotiation advertisements for the C45 + * 10GBASE-T AN CONTROL (7.32) register. + */ +static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV2_5G; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV5G; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV10G; + + return result; +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); -- 2.34.1