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Subject[PATCH 4.19 83/85] net/mlx5e: Only support tx/rx pause setting for port owner
Date
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(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1083,6 +1083,9 @@ static int mlx5e_set_pauseparam(struct n
struct mlx5_core_dev *mdev = priv->mdev;
int err;

+ if (!MLX5_CAP_GEN(mdev, vport_group_manager))
+ return -EOPNOTSUPP;
+
if (pauseparam->autoneg)
return -EINVAL;


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