From: Huy Nguyen huyn@mellanox.com
[ Upstream commit 466df6eb4a9e813b3cfc674363316450c57a89c5 ]
Only support changing tx/rx pause frame setting if the net device is the vport group manager.
Fixes: 3c2d18ef22df ("net/mlx5e: Support ethtool get/set_pauseparam") Signed-off-by: Huy Nguyen huyn@mellanox.com Reviewed-by: Parav Pandit parav@mellanox.com Signed-off-by: Saeed Mahameed saeedm@mellanox.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index f637d81f08bcb..22d5101769651 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1317,6 +1317,9 @@ int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv, struct mlx5_core_dev *mdev = priv->mdev; int err;
+ if (!MLX5_CAP_GEN(mdev, vport_group_manager)) + return -EOPNOTSUPP; + if (pauseparam->autoneg) return -EINVAL;