iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -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);