Revert "net/mlx5e: Update and set Xon/Xoff upon port speed set"

This reverts commit d24341740fe48add8a227a753e68b6eedf4b385a.
It causes errors when trying to configure QoS, as well as
loss of L2 connectivity (on multi-host devices).

Reported-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/20250910170011.70528106@kernel.org
Fixes: d24341740fe4 ("net/mlx5e: Update and set Xon/Xoff upon port speed set")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index e680673ffb725c9654cf8723d4afc0aabc197b78..15eded36b872a2e1a429c3eb6da1e902758dafb3 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -139,8 +139,6 @@ void mlx5e_update_carrier(struct mlx5e_priv *priv)
        if (up) {
                netdev_info(priv->netdev, "Link up\n");
                netif_carrier_on(priv->netdev);
-               mlx5e_port_manual_buffer_config(priv, 0, priv->netdev->mtu,
-                                               NULL, NULL, NULL);
        } else {
                netdev_info(priv->netdev, "Link down\n");
                netif_carrier_off(priv->netdev);