diff options
Diffstat (limited to 'include/linux/mii.h')
| -rw-r--r-- | include/linux/mii.h | 121 |
1 files changed, 97 insertions, 24 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h index 2da85b02e1c0..6fee8b1a4400 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -209,7 +209,7 @@ static inline u32 ethtool_adv_to_mii_ctrl1000_t(u32 ethadv) /** * linkmode_adv_to_mii_ctrl1000_t - * advertising: the linkmode advertisement settings + * @advertising: the linkmode advertisement settings * * A small helper function that translates linkmode advertisement * settings to phy autonegotiation advertisements for the @@ -288,6 +288,25 @@ static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa) } /** + * mii_stat1000_mod_linkmode_lpa_t + * @advertising: target the linkmode advertisement settings + * @adv: value of the MII_STAT1000 register + * + * A small helper function that translates MII_STAT1000 bits, when in + * 1000Base-T mode, to linkmode advertisement settings. Other bits in + * advertising are not changes. + */ +static inline void mii_stat1000_mod_linkmode_lpa_t(unsigned long *advertising, + u32 lpa) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, + advertising, lpa & LPA_1000HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + advertising, lpa & LPA_1000FULL); +} + +/** * ethtool_adv_to_mii_adv_x * @ethadv: the ethtool advertisement settings * @@ -354,50 +373,104 @@ static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa) } /** + * mii_adv_mod_linkmode_adv_t + * @advertising:pointer to destination link mode. + * @adv: value of the MII_ADVERTISE register + * + * A small helper function that translates MII_ADVERTISE bits to + * linkmode advertisement settings. Leaves other bits unchanged. + */ +static inline void mii_adv_mod_linkmode_adv_t(unsigned long *advertising, + u32 adv) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, + advertising, adv & ADVERTISE_10HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, + advertising, adv & ADVERTISE_10FULL); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, + advertising, adv & ADVERTISE_100HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + advertising, adv & ADVERTISE_100FULL); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising, + adv & ADVERTISE_PAUSE_CAP); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, + advertising, adv & ADVERTISE_PAUSE_ASYM); +} + +/** * mii_adv_to_linkmode_adv_t * @advertising:pointer to destination link mode. * @adv: value of the MII_ADVERTISE register * * A small helper function that translates MII_ADVERTISE bits - * to linkmode advertisement settings. + * to linkmode advertisement settings. Clears the old value + * of advertising. */ static inline void mii_adv_to_linkmode_adv_t(unsigned long *advertising, u32 adv) { linkmode_zero(advertising); - if (adv & ADVERTISE_10HALF) - linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, - advertising); - if (adv & ADVERTISE_10FULL) - linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, - advertising); - if (adv & ADVERTISE_100HALF) - linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, - advertising); - if (adv & ADVERTISE_100FULL) - linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, - advertising); - if (adv & ADVERTISE_PAUSE_CAP) - linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising); - if (adv & ADVERTISE_PAUSE_ASYM) - linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising); + mii_adv_mod_linkmode_adv_t(advertising, adv); +} + +/** + * mii_lpa_to_linkmode_lpa_t + * @adv: value of the MII_LPA register + * + * A small helper function that translates MII_LPA bits, when in + * 1000Base-T mode, to linkmode LP advertisement settings. Clears the + * old value of advertising + */ +static inline void mii_lpa_to_linkmode_lpa_t(unsigned long *lp_advertising, + u32 lpa) +{ + mii_adv_to_linkmode_adv_t(lp_advertising, lpa); + + if (lpa & LPA_LPACK) + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + lp_advertising); + +} + +/** + * mii_lpa_mod_linkmode_lpa_t + * @adv: value of the MII_LPA register + * + * A small helper function that translates MII_LPA bits, when in + * 1000Base-T mode, to linkmode LP advertisement settings. Leaves + * other bits unchanged. + */ +static inline void mii_lpa_mod_linkmode_lpa_t(unsigned long *lp_advertising, + u32 lpa) +{ + mii_adv_mod_linkmode_adv_t(lp_advertising, lpa); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + lp_advertising, lpa & LPA_LPACK); } /** - * ethtool_adv_to_lcl_adv_t - * @advertising:pointer to ethtool advertising + * linkmode_adv_to_lcl_adv_t + * @advertising:pointer to linkmode advertising * - * A small helper function that translates ethtool advertising to LVL + * A small helper function that translates linkmode advertising to LVL * pause capabilities. */ -static inline u32 ethtool_adv_to_lcl_adv_t(u32 advertising) +static inline u32 linkmode_adv_to_lcl_adv_t(unsigned long *advertising) { u32 lcl_adv = 0; - if (advertising & ADVERTISED_Pause) + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, + advertising)) lcl_adv |= ADVERTISE_PAUSE_CAP; - if (advertising & ADVERTISED_Asym_Pause) + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, + advertising)) lcl_adv |= ADVERTISE_PAUSE_ASYM; return lcl_adv; |