diff options
Diffstat (limited to 'drivers/net/mdio.c')
-rw-r--r-- | drivers/net/mdio.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/net/mdio.c b/drivers/net/mdio.c index e08c90ac0c6e..f67a4d4005e7 100644 --- a/drivers/net/mdio.c +++ b/drivers/net/mdio.c @@ -167,178 +167,6 @@ static u32 mdio45_get_an(const struct mdio_if_info *mdio, u16 addr) } /** - * mdio45_ethtool_gset_npage - get settings for ETHTOOL_GSET - * @mdio: MDIO interface - * @ecmd: Ethtool request structure - * @npage_adv: Modes currently advertised on next pages - * @npage_lpa: Modes advertised by link partner on next pages - * - * The @ecmd parameter is expected to have been cleared before calling - * mdio45_ethtool_gset_npage(). - * - * Since the CSRs for auto-negotiation using next pages are not fully - * standardised, this function does not attempt to decode them. The - * caller must pass them in. - */ -void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio, - struct ethtool_cmd *ecmd, - u32 npage_adv, u32 npage_lpa) -{ - int reg; - u32 speed; - - BUILD_BUG_ON(MDIO_SUPPORTS_C22 != ETH_MDIO_SUPPORTS_C22); - BUILD_BUG_ON(MDIO_SUPPORTS_C45 != ETH_MDIO_SUPPORTS_C45); - - ecmd->transceiver = XCVR_INTERNAL; - ecmd->phy_address = mdio->prtad; - ecmd->mdio_support = - mdio->mode_support & (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22); - - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_CTRL2); - switch (reg & MDIO_PMA_CTRL2_TYPE) { - case MDIO_PMA_CTRL2_10GBT: - case MDIO_PMA_CTRL2_1000BT: - case MDIO_PMA_CTRL2_100BTX: - case MDIO_PMA_CTRL2_10BT: - ecmd->port = PORT_TP; - ecmd->supported = SUPPORTED_TP; - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_SPEED); - if (reg & MDIO_SPEED_10G) - ecmd->supported |= SUPPORTED_10000baseT_Full; - if (reg & MDIO_PMA_SPEED_1000) - ecmd->supported |= (SUPPORTED_1000baseT_Full | - SUPPORTED_1000baseT_Half); - if (reg & MDIO_PMA_SPEED_100) - ecmd->supported |= (SUPPORTED_100baseT_Full | - SUPPORTED_100baseT_Half); - if (reg & MDIO_PMA_SPEED_10) - ecmd->supported |= (SUPPORTED_10baseT_Full | - SUPPORTED_10baseT_Half); - ecmd->advertising = ADVERTISED_TP; - break; - - case MDIO_PMA_CTRL2_10GBCX4: - ecmd->port = PORT_OTHER; - ecmd->supported = 0; - ecmd->advertising = 0; - break; - - case MDIO_PMA_CTRL2_10GBKX4: - case MDIO_PMA_CTRL2_10GBKR: - case MDIO_PMA_CTRL2_1000BKX: - ecmd->port = PORT_OTHER; - ecmd->supported = SUPPORTED_Backplane; - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_PMA_EXTABLE); - if (reg & MDIO_PMA_EXTABLE_10GBKX4) - ecmd->supported |= SUPPORTED_10000baseKX4_Full; - if (reg & MDIO_PMA_EXTABLE_10GBKR) - ecmd->supported |= SUPPORTED_10000baseKR_Full; - if (reg & MDIO_PMA_EXTABLE_1000BKX) - ecmd->supported |= SUPPORTED_1000baseKX_Full; - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_PMA_10GBR_FECABLE); - if (reg & MDIO_PMA_10GBR_FECABLE_ABLE) - ecmd->supported |= SUPPORTED_10000baseR_FEC; - ecmd->advertising = ADVERTISED_Backplane; - break; - - /* All the other defined modes are flavours of optical */ - default: - ecmd->port = PORT_FIBRE; - ecmd->supported = SUPPORTED_FIBRE; - ecmd->advertising = ADVERTISED_FIBRE; - break; - } - - if (mdio->mmds & MDIO_DEVS_AN) { - ecmd->supported |= SUPPORTED_Autoneg; - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN, - MDIO_CTRL1); - if (reg & MDIO_AN_CTRL1_ENABLE) { - ecmd->autoneg = AUTONEG_ENABLE; - ecmd->advertising |= - ADVERTISED_Autoneg | - mdio45_get_an(mdio, MDIO_AN_ADVERTISE) | - npage_adv; - } else { - ecmd->autoneg = AUTONEG_DISABLE; - } - } else { - ecmd->autoneg = AUTONEG_DISABLE; - } - - if (ecmd->autoneg) { - u32 modes = 0; - int an_stat = mdio->mdio_read(mdio->dev, mdio->prtad, - MDIO_MMD_AN, MDIO_STAT1); - - /* If AN is complete and successful, report best common - * mode, otherwise report best advertised mode. */ - if (an_stat & MDIO_AN_STAT1_COMPLETE) { - ecmd->lp_advertising = - mdio45_get_an(mdio, MDIO_AN_LPA) | npage_lpa; - if (an_stat & MDIO_AN_STAT1_LPABLE) - ecmd->lp_advertising |= ADVERTISED_Autoneg; - modes = ecmd->advertising & ecmd->lp_advertising; - } - if ((modes & ~ADVERTISED_Autoneg) == 0) - modes = ecmd->advertising; - - if (modes & (ADVERTISED_10000baseT_Full | - ADVERTISED_10000baseKX4_Full | - ADVERTISED_10000baseKR_Full)) { - speed = SPEED_10000; - ecmd->duplex = DUPLEX_FULL; - } else if (modes & (ADVERTISED_1000baseT_Full | - ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseKX_Full)) { - speed = SPEED_1000; - ecmd->duplex = !(modes & ADVERTISED_1000baseT_Half); - } else if (modes & (ADVERTISED_100baseT_Full | - ADVERTISED_100baseT_Half)) { - speed = SPEED_100; - ecmd->duplex = !!(modes & ADVERTISED_100baseT_Full); - } else { - speed = SPEED_10; - ecmd->duplex = !!(modes & ADVERTISED_10baseT_Full); - } - } else { - /* Report forced settings */ - reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_CTRL1); - speed = (((reg & MDIO_PMA_CTRL1_SPEED1000) ? 100 : 1) - * ((reg & MDIO_PMA_CTRL1_SPEED100) ? 100 : 10)); - ecmd->duplex = (reg & MDIO_CTRL1_FULLDPLX || - speed == SPEED_10000); - } - - ethtool_cmd_speed_set(ecmd, speed); - - /* 10GBASE-T MDI/MDI-X */ - if (ecmd->port == PORT_TP - && (ethtool_cmd_speed(ecmd) == SPEED_10000)) { - switch (mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD, - MDIO_PMA_10GBT_SWAPPOL)) { - case MDIO_PMA_10GBT_SWAPPOL_ABNX | MDIO_PMA_10GBT_SWAPPOL_CDNX: - ecmd->eth_tp_mdix = ETH_TP_MDI; - break; - case 0: - ecmd->eth_tp_mdix = ETH_TP_MDI_X; - break; - default: - /* It's complicated... */ - ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; - break; - } - } -} -EXPORT_SYMBOL(mdio45_ethtool_gset_npage); - -/** * mdio45_ethtool_ksettings_get_npage - get settings for ETHTOOL_GLINKSETTINGS * @mdio: MDIO interface * @cmd: Ethtool request structure |