diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 14f0520c5668fa9d20f379c0d31f67d2e6f8a2be..47e08a8b15631ac06f73b78a1868259e6f57078e 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1379,6 +1379,80 @@ static int bnxt_set_eeprom(struct net_device *dev, eeprom->len); } +static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) +{ + struct bnxt *bp = netdev_priv(dev); + struct ethtool_eee *eee = &bp->eee; + struct bnxt_link_info *link_info = &bp->link_info; + u32 advertising = + _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); + int rc = 0; + + if (BNXT_VF(bp)) + return 0; + + if (!(bp->flags & BNXT_FLAG_EEE_CAP)) + return -EOPNOTSUPP; + + if (!edata->eee_enabled) + goto eee_ok; + + if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { + netdev_warn(dev, "EEE requires autoneg\n"); + return -EINVAL; + } + if (edata->tx_lpi_enabled) { + if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || + edata->tx_lpi_timer < bp->lpi_tmr_lo)) { + netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", + bp->lpi_tmr_lo, bp->lpi_tmr_hi); + return -EINVAL; + } else if (!bp->lpi_tmr_hi) { + edata->tx_lpi_timer = eee->tx_lpi_timer; + } + } + if (!edata->advertised) { + edata->advertised = advertising & eee->supported; + } else if (edata->advertised & ~advertising) { + netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", + edata->advertised, advertising); + return -EINVAL; + } + + eee->advertised = edata->advertised; + eee->tx_lpi_enabled = edata->tx_lpi_enabled; + eee->tx_lpi_timer = edata->tx_lpi_timer; +eee_ok: + eee->eee_enabled = edata->eee_enabled; + + if (netif_running(dev)) + rc = bnxt_hwrm_set_link_setting(bp, false, true); + + return rc; +} + +static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) +{ + struct bnxt *bp = netdev_priv(dev); + + if (!(bp->flags & BNXT_FLAG_EEE_CAP)) + return -EOPNOTSUPP; + + *edata = bp->eee; + if (!bp->eee.eee_enabled) { + /* Preserve tx_lpi_timer so that the last value will be used + * by default when it is re-enabled. + */ + edata->advertised = 0; + edata->tx_lpi_enabled = 0; + } + + if (!bp->eee.eee_active) + edata->lp_advertised = 0; + + return 0; +} + const struct ethtool_ops bnxt_ethtool_ops = { .get_settings = bnxt_get_settings, .set_settings = bnxt_set_settings, @@ -1407,4 +1481,6 @@ const struct ethtool_ops bnxt_ethtool_ops = { .get_eeprom = bnxt_get_eeprom, .set_eeprom = bnxt_set_eeprom, .get_link = bnxt_get_link, + .get_eee = bnxt_get_eee, + .set_eee = bnxt_set_eee, };