diff options
| -rw-r--r-- | include/linux/mii.h | 50 | ||||
| -rw-r--r-- | include/uapi/linux/mii.h | 12 |
2 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h index 4ce8901a1af6..18c6208f56fc 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -373,6 +373,56 @@ static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa) } /** + * mii_lpa_mod_linkmode_adv_sgmii + * @lp_advertising: pointer to destination link mode. + * @lpa: value of the MII_LPA register + * + * A small helper function that translates MII_LPA bits to + * linkmode advertisement settings for SGMII. + * Leaves other bits unchanged. + */ +static inline void +mii_lpa_mod_linkmode_lpa_sgmii(unsigned long *lp_advertising, u32 lpa) +{ + u32 speed_duplex = lpa & LPA_SGMII_DPX_SPD_MASK; + + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, lp_advertising, + speed_duplex == LPA_SGMII_1000HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, lp_advertising, + speed_duplex == LPA_SGMII_1000FULL); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, lp_advertising, + speed_duplex == LPA_SGMII_100HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, lp_advertising, + speed_duplex == LPA_SGMII_100FULL); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, lp_advertising, + speed_duplex == LPA_SGMII_10HALF); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, lp_advertising, + speed_duplex == LPA_SGMII_10FULL); +} + +/** + * mii_lpa_to_linkmode_adv_sgmii + * @advertising: pointer to destination link mode. + * @lpa: value of the MII_LPA register + * + * A small helper function that translates MII_ADVERTISE bits + * to linkmode advertisement settings when in SGMII mode. + * Clears the old value of advertising. + */ +static inline void mii_lpa_to_linkmode_lpa_sgmii(unsigned long *lp_advertising, + u32 lpa) +{ + linkmode_zero(lp_advertising); + + mii_lpa_mod_linkmode_lpa_sgmii(lp_advertising, lpa); +} + +/** * mii_adv_mod_linkmode_adv_t * @advertising:pointer to destination link mode. * @adv: value of the MII_ADVERTISE register diff --git a/include/uapi/linux/mii.h b/include/uapi/linux/mii.h index 51b48e4be1f2..0b9c3beda345 100644 --- a/include/uapi/linux/mii.h +++ b/include/uapi/linux/mii.h @@ -131,6 +131,18 @@ #define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ #define NWAYTEST_RESV2 0xfe00 /* Unused... */ +/* MAC and PHY tx_config_Reg[15:0] for SGMII in-band auto-negotiation.*/ +#define ADVERTISE_SGMII 0x0001 /* MAC can do SGMII */ +#define LPA_SGMII 0x0001 /* PHY can do SGMII */ +#define LPA_SGMII_DPX_SPD_MASK 0x1C00 /* SGMII duplex and speed bits */ +#define LPA_SGMII_10HALF 0x0000 /* Can do 10mbps half-duplex */ +#define LPA_SGMII_10FULL 0x1000 /* Can do 10mbps full-duplex */ +#define LPA_SGMII_100HALF 0x0400 /* Can do 100mbps half-duplex */ +#define LPA_SGMII_100FULL 0x1400 /* Can do 100mbps full-duplex */ +#define LPA_SGMII_1000HALF 0x0800 /* Can do 1000mbps half-duplex */ +#define LPA_SGMII_1000FULL 0x1800 /* Can do 1000mbps full-duplex */ +#define LPA_SGMII_LINK 0x8000 /* PHY link with copper-side partner */ + /* 1000BASE-T Control register */ #define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ #define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ |