From: Mark Bloch <mbloch@xxxxxxxxxx>
Export a function so users can retrieve the mellanox device that manages
the eswitch from the eswitch device.
Signed-off-by: Mark Bloch <mbloch@xxxxxxxxxx>
Reviewed-by: Mark Zhang <markzhang@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 12 ++++++++++++
include/linux/mlx5/eswitch.h | 6 ++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 97e6cb6f13c1..b65a472067d2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -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);
diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h
index bc7db2e059eb..c2a34ff85188 100644
--- a/include/linux/mlx5/eswitch.h
+++ b/include/linux/mlx5/eswitch.h
@@ -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)
--
2.31.1
