Commit 7e6ccbc1 authored by Parav Pandit's avatar Parav Pandit Committed by Saeed Mahameed
Browse files

net/mlx5: SF, Store and use start function id 



SF ids in the device are in two different contiguous ranges. One for
the local controller and second for the external host controller.

Prepare code to handle multiple start function id by storing it in the
table.

Signed-off-by: default avatarParav Pandit <parav@nvidia.com>
Reviewed-by: default avatarVu Pham <vuhuong@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent a1ab3e45

drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c

+8 −2
Original line number Diff line number Diff line
@@ -19,18 +19,23 @@ struct mlx5_sf_hw_table { 
	struct mlx5_core_dev *dev;

	struct mlx5_sf_hw *sfs;

	int max_local_functions;

	u16 start_fn_id;

	struct mutex table_lock; /* Serializes sf deletion and vhca state change handler. */

	struct notifier_block vhca_nb;

};



u16 mlx5_sf_sw_to_hw_id(const struct mlx5_core_dev *dev, u16 sw_id)

{

	return sw_id + mlx5_sf_start_function_id(dev);

	struct mlx5_sf_hw_table *table = dev->priv.sf_hw_table;



	return table->start_fn_id + sw_id;

}



static u16 mlx5_sf_hw_to_sw_id(const struct mlx5_core_dev *dev, u16 hw_id)

{

	return hw_id - mlx5_sf_start_function_id(dev);

	struct mlx5_sf_hw_table *table = dev->priv.sf_hw_table;



	return hw_id - table->start_fn_id;

}



int mlx5_sf_hw_table_sf_alloc(struct mlx5_core_dev *dev, u32 usr_sfnum)
@@ -164,6 +169,7 @@ int mlx5_sf_hw_table_init(struct mlx5_core_dev *dev) 
	table->dev = dev;

	table->sfs = sfs;

	table->max_local_functions = max_functions;

	table->start_fn_id = mlx5_sf_start_function_id(dev);

	dev->priv.sf_hw_table = table;

	mlx5_core_dbg(dev, "SF HW table: max sfs = %d\n", max_functions);

	return 0;