diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index b2cd0ef7921e..e5cee400a4d3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -556,8 +556,8 @@ static int mlx5e_set_channels(struct net_device *dev, { struct mlx5e_priv *priv = netdev_priv(dev); unsigned int count = ch->combined_count; + struct mlx5e_channels new_channels = {}; bool arfs_enabled; - bool was_opened; int err = 0; if (!count) { @@ -571,22 +571,27 @@ static int mlx5e_set_channels(struct net_device *dev, mutex_lock(&priv->state_lock); - was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); - if (was_opened) - mlx5e_close_locked(dev); + new_channels.params = priv->channels.params; + new_channels.params.num_channels = count; + mlx5e_build_default_indir_rqt(priv->mdev, new_channels.params.indirection_rqt, + MLX5E_INDIR_RQT_SIZE, count); + + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { + priv->channels.params = new_channels.params; + goto out; + } + + /* Create fresh channels with new parameters */ + err = mlx5e_open_channels(priv, &new_channels); + if (err) + goto out; arfs_enabled = dev->features & NETIF_F_NTUPLE; if (arfs_enabled) mlx5e_arfs_disable(priv); - priv->channels.params.num_channels = count; - mlx5e_build_default_indir_rqt(priv->mdev, priv->channels.params.indirection_rqt, - MLX5E_INDIR_RQT_SIZE, count); - - if (was_opened) - err = mlx5e_open_locked(dev); - if (err) - goto out; + /* Switch to new channels, set new parameters and close old ones */ + mlx5e_switch_priv_channels(priv, &new_channels); if (arfs_enabled) { err = mlx5e_arfs_enable(priv); |