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Date:	Mon,  8 Sep 2014 18:46:53 +0200
From:	Ivan Vecera <>
Cc:	Amir Vadai <>
Subject: [PATCH net] net/mlx4_en: do not ignore autoneg in mlx4_en_set_pauseparam()

The driver does not support pause autonegotiation so it should return
-EINVAL when the function is called with non-zero autoneg.

Cc: Amir Vadai <>
Signed-off-by: Ivan Vecera <>
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index e22f24f..35ff292 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -487,6 +487,9 @@ static int mlx4_en_set_pauseparam(struct net_device *dev,
 	struct mlx4_en_dev *mdev = priv->mdev;
 	int err;
+	if (pause->autoneg)
+		return -EINVAL;
 	priv->prof->tx_pause = pause->tx_pause != 0;
 	priv->prof->rx_pause = pause->rx_pause != 0;
 	err = mlx4_SET_PORT_general(mdev->dev, priv->port,

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