ixgbe: ethtool correctly identify autoneg setting

[profile/ivi/kernel-adaptation-intel-automotive.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_ethtool.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index a545728..3268584 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -383,6 +383,11 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
            (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
                return -EINVAL;
 
+       /* some devices do not support autoneg of link flow control */
+       if ((pause->autoneg == AUTONEG_ENABLE) &&
+           (ixgbe_device_supports_autoneg_fc(hw) != 0))
+               return -EINVAL;
+
        fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
 
        if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)