diff options
| author | Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com> | 2020-10-01 23:56:09 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-10-03 16:40:25 -0700 |
| commit | 388e201d41fa1ed8f2dce0f0567f56f8e919ffb0 (patch) | |
| tree | 2673c6b244959629596cfba6bdd5161f3d1b9f03 /drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | |
| parent | ab0faf5f04e8f4d0602de7dba187758d58e0ea0b (diff) | |
net: stmmac: Modify configuration method of EEE timers
Ethtool manual stated that the tx-timer is the "the amount of time the
device should stay in idle mode prior to asserting its Tx LPI". The
previous implementation for "ethtool --set-eee tx-timer" sets the LPI TW
timer duration which is not correct. Hence, this patch fixes the
"ethtool --set-eee tx-timer" to configure the EEE LPI timer.
The LPI TW Timer will be using the defined default value instead of
"ethtool --set-eee tx-timer" which follows the EEE LS timer implementation.
Changelog V2
*Not removing/modifying the eee_timer.
*EEE LPI timer can be configured through ethtool and also the eee_timer
module param.
*EEE TW Timer will be configured with default value only, not able to be
configured through ethtool or module param. This follows the implementation
of the EEE LS Timer.
Fixes: d765955d2ae0 ("stmmac: add the Energy Efficient Ethernet support")
Signed-off-by: Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 430a4b32ec1e..814879f91f76 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -665,6 +665,7 @@ static int stmmac_ethtool_op_get_eee(struct net_device *dev, edata->eee_enabled = priv->eee_enabled; edata->eee_active = priv->eee_active; edata->tx_lpi_timer = priv->tx_lpi_timer; + edata->tx_lpi_enabled = priv->tx_lpi_enabled; return phylink_ethtool_get_eee(priv->phylink, edata); } @@ -678,6 +679,10 @@ static int stmmac_ethtool_op_set_eee(struct net_device *dev, if (!priv->dma_cap.eee) return -EOPNOTSUPP; + if (priv->tx_lpi_enabled != edata->tx_lpi_enabled) + netdev_warn(priv->dev, + "Setting EEE tx-lpi is not supported\n"); + if (!edata->eee_enabled) stmmac_disable_eee_mode(priv); @@ -685,7 +690,12 @@ static int stmmac_ethtool_op_set_eee(struct net_device *dev, if (ret) return ret; - priv->tx_lpi_timer = edata->tx_lpi_timer; + if (edata->eee_enabled && + priv->tx_lpi_timer != edata->tx_lpi_timer) { + priv->tx_lpi_timer = edata->tx_lpi_timer; + stmmac_eee_init(priv); + } + return 0; } |