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 | 38 |
1 files changed, 38 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 234b5b2ebf0f..7bfe17b7c279 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1598,6 +1598,38 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev, return 0; } +static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5e_channels new_channels = {}; + int err; + + if (enable) { + if (!mlx5e_check_fragmented_striding_rq_cap(mdev)) + return -EOPNOTSUPP; + if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params)) + return -EINVAL; + } + + new_channels.params = priv->channels.params; + + MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable); + mlx5e_set_rq_type(mdev, &new_channels.params); + + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { + priv->channels.params = new_channels.params; + return 0; + } + + err = mlx5e_open_channels(priv, &new_channels); + if (err) + return err; + + mlx5e_switch_priv_channels(priv, &new_channels, NULL); + return 0; +} + static int mlx5e_handle_pflag(struct net_device *netdev, u32 wanted_flags, enum mlx5e_priv_flag flag, @@ -1643,6 +1675,12 @@ static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags) err = mlx5e_handle_pflag(netdev, pflags, MLX5E_PFLAG_RX_CQE_COMPRESS, set_pflag_rx_cqe_compress); + if (err) + goto out; + + err = mlx5e_handle_pflag(netdev, pflags, + MLX5E_PFLAG_RX_STRIDING_RQ, + set_pflag_rx_striding_rq); out: mutex_unlock(&priv->state_lock); |