net/mlx5e: Set port MTU on netdev creation rather on open

Port mtu shouldn't be written to hardware on every single interface
open.
Here we set it only when needed, on change_mtu and netdevice creation.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 870bea37c57cb37d8005b63f1b5b877e47280567..0fc3a2b16a187d36b285580b5c471db570a83b1e 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1826,10 +1826,6 @@ int mlx5e_open_locked(struct net_device *netdev)
        netif_set_real_num_tx_queues(netdev, num_txqs);
        netif_set_real_num_rx_queues(netdev, priv->params.num_channels);
 
-       err = mlx5e_set_dev_port_mtu(netdev);
-       if (err)
-               goto err_clear_state_opened_flag;
-
        err = mlx5e_open_channels(priv);
        if (err) {
                netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n",
@@ -2593,6 +2589,7 @@ static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu)
                mlx5e_close_locked(netdev);
 
        netdev->mtu = new_mtu;
+       mlx5e_set_dev_port_mtu(netdev);
 
        if (was_opened)
                err = mlx5e_open_locked(netdev);
@@ -3463,6 +3460,8 @@ void *mlx5e_create_netdev(struct mlx5_core_dev *mdev,
 
        mlx5e_init_l2_addr(priv);
 
+       mlx5e_set_dev_port_mtu(netdev);
+
        err = register_netdev(netdev);
        if (err) {
                mlx5_core_err(mdev, "register_netdev failed, %d\n", err);