diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 21bb88c5d3dc..0e48065a46eb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5625,12 +5625,36 @@ static int mlx5e_queue_start(struct net_device *dev, void *newq, return 0; } +static struct device *mlx5e_queue_get_dma_dev(struct net_device *dev, + int queue_index) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_channels *channels; + struct device *pdev = NULL; + struct mlx5e_channel *ch; + + channels = &priv->channels; + + mutex_lock(&priv->state_lock); + + if (queue_index >= channels->num) + goto out; + + ch = channels->c[queue_index]; + pdev = ch->pdev; +out: + mutex_unlock(&priv->state_lock); + + return pdev; +} + static const struct netdev_queue_mgmt_ops mlx5e_queue_mgmt_ops = { .ndo_queue_mem_size = sizeof(struct mlx5_qmgmt_data), .ndo_queue_mem_alloc = mlx5e_queue_mem_alloc, .ndo_queue_mem_free = mlx5e_queue_mem_free, .ndo_queue_start = mlx5e_queue_start, .ndo_queue_stop = mlx5e_queue_stop, + .ndo_queue_get_dma_dev = mlx5e_queue_get_dma_dev, }; static void mlx5e_build_nic_netdev(struct net_device *netdev) |