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net/mlx5: Return mdev from eswitch

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Export a function so users can retrieve the mellanox device that manages
the eswitch from the eswitch device.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Mark Bloch 2021-08-03 16:19:46 -07:00 committed by Saeed Mahameed
parent 616d576934
commit 97a8a8c1f9
2 changed files with 18 additions and 0 deletions
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12
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View file

@ -2384,3 +2384,15 @@ u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev)
return mlx5_esw_allowed(esw) ? esw->total_vports : 0;
}
EXPORT_SYMBOL_GPL(mlx5_eswitch_get_total_vports);
/**
* mlx5_eswitch_get_core_dev - Get the mdev device
* @esw : eswitch device.
*
* Return the mellanox core device which manages the eswitch.
*/
struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw)
{
return mlx5_esw_allowed(esw) ? esw->dev : NULL;
}
EXPORT_SYMBOL(mlx5_eswitch_get_core_dev);

6
include/linux/mlx5/eswitch.h
View file

@ -128,6 +128,7 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw,
u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev);
u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev);
struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw);
#else /* CONFIG_MLX5_ESWITCH */
@ -171,6 +172,11 @@ static inline u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev)
return 0;
}
static inline struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw)
{
return NULL;
}
#endif /* CONFIG_MLX5_ESWITCH */
static inline bool is_mdev_switchdev_mode(struct mlx5_core_dev *dev)