diff options
| author | Maor Gottlieb | 2016-04-29 00:36:42 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-04-29 22:29:12 +0200 |
| commit | 45bf454ae88414e80b80979ebb2c22bd66ea7d1b (patch) | |
| tree | 1d7861ced0002caa0e29d8f99e9c8b16dc8d6ddc /drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | |
| parent | net/mlx5e: Add accelerated RFS support (diff) | |
| download | kernel-qcow2-linux-45bf454ae88414e80b80979ebb2c22bd66ea7d1b.tar.gz kernel-qcow2-linux-45bf454ae88414e80b80979ebb2c22bd66ea7d1b.tar.xz kernel-qcow2-linux-45bf454ae88414e80b80979ebb2c22bd66ea7d1b.zip | |
net/mlx5e: Enabling aRFS mechanism
Accelerated RFS requires that ntuple filtering is enabled via
ethtool and driver supports ndo_rx_flow_steer.
When the ntuple filtering is enabled, we modify the l3_l4 ttc
rules to point on the aRFS flow tables and when the filtering
is disabled, we modify the l3_l4 ttc rules to point on the RSS
TIRs.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 498d40784ae9..534d99e2f9c8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -456,6 +456,7 @@ static int mlx5e_set_channels(struct net_device *dev, struct mlx5e_priv *priv = netdev_priv(dev); int ncv = mlx5e_get_max_num_channels(priv->mdev); unsigned int count = ch->combined_count; + bool arfs_enabled; bool was_opened; int err = 0; @@ -484,13 +485,27 @@ static int mlx5e_set_channels(struct net_device *dev, if (was_opened) mlx5e_close_locked(dev); + arfs_enabled = dev->features & NETIF_F_NTUPLE; + if (arfs_enabled) + mlx5e_arfs_disable(priv); + priv->params.num_channels = count; mlx5e_build_default_indir_rqt(priv->mdev, priv->params.indirection_rqt, MLX5E_INDIR_RQT_SIZE, count); if (was_opened) err = mlx5e_open_locked(dev); + if (err) + goto out; + if (arfs_enabled) { + err = mlx5e_arfs_enable(priv); + if (err) + netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n", + __func__, err); + } + +out: mutex_unlock(&priv->state_lock); return err; |