1 files changed, 42 insertions, 7 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
index 17aa348989cb..1f613320fe07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c
@@ -9,6 +9,7 @@
 #include "mlx5_core.h"
 #include "eswitch.h"
 #include "diag/sf_tracepoint.h"
+#include "devlink.h"
 
 struct mlx5_sf_hw {
 	u32 usr_sfnum;
@@ -243,31 +244,61 @@ static void mlx5_sf_hw_table_hwc_cleanup(struct mlx5_sf_hwc_table *hwc)
 	kfree(hwc->sfs);
 }
 
+static void mlx5_sf_hw_table_res_unregister(struct mlx5_core_dev *dev)
+{
+	devl_resources_unregister(priv_to_devlink(dev));
+}
+
+static int mlx5_sf_hw_table_res_register(struct mlx5_core_dev *dev, u16 max_fn,
+					 u16 max_ext_fn)
+{
+	struct devlink_resource_size_params size_params;
+	struct devlink *devlink = priv_to_devlink(dev);
+	int err;
+
+	devlink_resource_size_params_init(&size_params, max_fn, max_fn, 1,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	err = devl_resource_register(devlink, "max_local_SFs", max_fn, MLX5_DL_RES_MAX_LOCAL_SFS,
+				     DEVLINK_RESOURCE_ID_PARENT_TOP, &size_params);
+	if (err)
+		return err;
+
+	devlink_resource_size_params_init(&size_params, max_ext_fn, max_ext_fn, 1,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	return devl_resource_register(devlink, "max_external_SFs", max_ext_fn,
+				      MLX5_DL_RES_MAX_EXTERNAL_SFS, DEVLINK_RESOURCE_ID_PARENT_TOP,
+				      &size_params);
+}
+
 int mlx5_sf_hw_table_init(struct mlx5_core_dev *dev)
 {
 	struct mlx5_sf_hw_table *table;
 	u16 max_ext_fn = 0;
 	u16 ext_base_id = 0;
-	u16 max_fn = 0;
 	u16 base_id;
+	u16 max_fn;
 	int err;
 
 	if (!mlx5_vhca_event_supported(dev))
 		return 0;
 
-	if (mlx5_sf_supported(dev))
-		max_fn = mlx5_sf_max_functions(dev);
+	max_fn = mlx5_sf_max_functions(dev);
 
 	err = mlx5_esw_sf_max_hpf_functions(dev, &max_ext_fn, &ext_base_id);
 	if (err)
 		return err;
 
+	if (mlx5_sf_hw_table_res_register(dev, max_fn, max_ext_fn))
+		mlx5_core_dbg(dev, "failed to register max SFs resources");
+
 	if (!max_fn && !max_ext_fn)
 		return 0;
 
 	table = kzalloc(sizeof(*table), GFP_KERNEL);
-	if (!table)
-		return -ENOMEM;
+	if (!table) {
+		err = -ENOMEM;
+		goto alloc_err;
+	}
 
 	mutex_init(&table->table_lock);
 	table->dev = dev;
@@ -291,6 +322,8 @@ ext_err:
 table_err:
 	mutex_destroy(&table->table_lock);
 	kfree(table);
+alloc_err:
+	mlx5_sf_hw_table_res_unregister(dev);
 	return err;
 }
 
@@ -299,12 +332,14 @@ void mlx5_sf_hw_table_cleanup(struct mlx5_core_dev *dev)
 	struct mlx5_sf_hw_table *table = dev->priv.sf_hw_table;
 
 	if (!table)
-		return;
+		goto res_unregister;
 
-	mutex_destroy(&table->table_lock);
 	mlx5_sf_hw_table_hwc_cleanup(&table->hwc[MLX5_SF_HWC_EXTERNAL]);
 	mlx5_sf_hw_table_hwc_cleanup(&table->hwc[MLX5_SF_HWC_LOCAL]);
+	mutex_destroy(&table->table_lock);
 	kfree(table);
+res_unregister:
+	mlx5_sf_hw_table_res_unregister(dev);
 }
 
 static int mlx5_sf_hw_vhca_event(struct notifier_block *nb, unsigned long opcode, void *data)