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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>
hifive-unleashed-5.1
Saeed Mahameed 2016-08-18 21:09:02 +03:00 committed by David S. Miller
parent 98a384eca9
commit 13f9bba7cd
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -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);