/**
* mii_ethtool_gset - get settings that are specified in @ecmd
* @mii: MII interface
* @ecmd: requested ethtool_cmd
*
* The @ecmd parameter is expected to have been cleared before calling
* mii_ethtool_gset().
*
* Returns 0 for success, negative on error.
*/
int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
{
struct net_device *dev = mii->dev;
u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
u32 nego;
ecmd->supported =
(SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
if (mii->supports_gmii)
ecmd->supported |= SUPPORTED_1000baseT_Half |
SUPPORTED_1000baseT_Full;
/* only supports twisted-pair */
ecmd->port = PORT_MII;
/* only supports internal transceiver */
ecmd->transceiver = XCVR_INTERNAL;
/* this isn't fully supported at higher layers */
ecmd->phy_address = mii->phy_id;
ecmd->mdio_support = MDIO_SUPPORTS_C22;
ecmd->advertising = ADVERTISED_TP | ADVERTISED_MII;
bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);
if (mii->supports_gmii) {
ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
}
if (bmcr & BMCR_ANENABLE) {
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->autoneg = AUTONEG_ENABLE;
ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);
if (ctrl1000 & ADVERTISE_1000HALF)
ecmd->advertising |= ADVERTISED_1000baseT_Half;
if (ctrl1000 & ADVERTISE_1000FULL)
ecmd->advertising |= ADVERTISED_1000baseT_Full;
if (bmsr & BMSR_ANEGCOMPLETE) {
ecmd->lp_advertising = mii_get_an(mii, MII_LPA);
if (stat1000 & LPA_1000HALF)
ecmd->lp_advertising |=
ADVERTISED_1000baseT_Half;
if (stat1000 & LPA_1000FULL)
ecmd->lp_advertising |=
ADVERTISED_1000baseT_Full;
} else {
ecmd->lp_advertising = 0;
}
nego = ecmd->advertising & ecmd->lp_advertising;
if (nego & (ADVERTISED_1000baseT_Full |
ADVERTISED_1000baseT_Half)) {
ethtool_cmd_speed_set(ecmd, SPEED_1000);
ecmd->duplex = !!(nego & ADVERTISED_1000baseT_Full);
} else if (nego & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
ethtool_cmd_speed_set(ecmd, SPEED_100);
ecmd->duplex = !!(nego & ADVERTISED_100baseT_Full);
} else {
ethtool_cmd_speed_set(ecmd, SPEED_10);
ecmd->duplex = !!(nego & ADVERTISED_10baseT_Full);
}
} else {
ecmd->autoneg = AUTONEG_DISABLE;
ethtool_cmd_speed_set(ecmd,
((bmcr & BMCR_SPEED1000 &&
(bmcr & BMCR_SPEED100) == 0) ?
SPEED_1000 :
((bmcr & BMCR_SPEED100) ?
SPEED_100 : SPEED_10)));
ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
}
mii->full_duplex = ecmd->duplex;
/* ignore maxtxpkt, maxrxpkt for now */
return 0;
}
/**
* mii_ethtool_get_link_ksettings - get settings that are specified in @cmd
* @mii: MII interface
* @cmd: requested ethtool_link_ksettings
*
* The @cmd parameter is expected to have been cleared before calling
* mii_ethtool_get_link_ksettings().
*
* Returns 0 for success, negative on error.
*/
int mii_ethtool_get_link_ksettings(struct mii_if_info *mii,
struct ethtool_link_ksettings *cmd)
{
struct net_device *dev = mii->dev;
u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
u32 nego, supported, advertising, lp_advertising;
supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
if (mii->supports_gmii)
supported |= SUPPORTED_1000baseT_Half |
SUPPORTED_1000baseT_Full;
/* only supports twisted-pair */
cmd->base.port = PORT_MII;
/* this isn't fully supported at higher layers */
cmd->base.phy_address = mii->phy_id;
cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
advertising = ADVERTISED_TP | ADVERTISED_MII;
bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);
if (mii->supports_gmii) {
ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
}
if (bmcr & BMCR_ANENABLE) {
advertising |= ADVERTISED_Autoneg;
cmd->base.autoneg = AUTONEG_ENABLE;
advertising |= mii_get_an(mii, MII_ADVERTISE);
if (mii->supports_gmii)
advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
if (bmsr & BMSR_ANEGCOMPLETE) {
lp_advertising = mii_get_an(mii, MII_LPA);
lp_advertising |=
mii_stat1000_to_ethtool_lpa_t(stat1000);
} else {
lp_advertising = 0;
}
nego = advertising & lp_advertising;
if (nego & (ADVERTISED_1000baseT_Full |
ADVERTISED_1000baseT_Half)) {
cmd->base.speed = SPEED_1000;
cmd->base.duplex = !!(nego & ADVERTISED_1000baseT_Full);
} else if (nego & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
cmd->base.speed = SPEED_100;
cmd->base.duplex = !!(nego & ADVERTISED_100baseT_Full);
} else {
cmd->base.speed = SPEED_10;
cmd->base.duplex = !!(nego & ADVERTISED_10baseT_Full);
}
} else {
cmd->base.autoneg = AUTONEG_DISABLE;
cmd->base.speed = ((bmcr & BMCR_SPEED1000 &&
(bmcr & BMCR_SPEED100) == 0) ?
SPEED_1000 :
((bmcr & BMCR_SPEED100) ?
SPEED_100 : SPEED_10));
cmd->base.duplex = (bmcr & BMCR_FULLDPLX) ?
DUPLEX_FULL : DUPLEX_HALF;
lp_advertising = 0;
}
mii->full_duplex = cmd->base.duplex;
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
advertising);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
lp_advertising);
/* ignore maxtxpkt, maxrxpkt for now */
return 0;
}
