From 9004a14cb688c69194002aa2fadda4433c3b79fb Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Sat, 16 Feb 2019 17:26:05 +0100 Subject: net: phy: add helper mii_10gbt_stat_mod_linkmode_lpa_t Similar to the existing helpers for the Clause 22 registers add helper mii_10gbt_stat_mod_linkmode_lpa_t. Note that this helper is defined in linux/mdio.h, not like the Clause 22 helpers in linux/mii.h. Reason is that the Clause 45 register constants are defined in uapi/linux/mdio.h. And uapi/linux/mdio.h includes linux/mii.h before defining the C45 register constants. v2: - remove helpers that don't have users in this series Signed-off-by: Heiner Kallweit Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- include/linux/mdio.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include/linux/mdio.h') diff --git a/include/linux/mdio.h b/include/linux/mdio.h index dd46828b4c47..3e99ae3ed87f 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -286,6 +286,25 @@ static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising) return result; } +/** + * mii_10gbt_stat_mod_linkmode_lpa_t + * @advertising: target the linkmode advertisement settings + * @adv: value of the C45 10GBASE-T AN STATUS register + * + * A small helper function that translates C45 10GBASE-T AN STATUS register bits + * to linkmode advertisement settings. Other bits in advertising aren't changed. + */ +static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising, + u32 lpa) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP10G); +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); -- cgit v1.2.3