Cregit: Linux 6.16: fs.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Leon Romanovsky	34	45.33%	2	28.57%
Eli Cohen	19	25.33%	1	14.29%
Mark Bloch	12	16.00%	1	14.29%
Michael Guralnik	4	5.33%	1	14.29%
Patrisious Haddad	4	5.33%	1	14.29%
Mark Zhang	2	2.67%	1	14.29%
Total	75		7

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
 * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved.
 */

#ifndef _MLX5_IB_FS_H
#define _MLX5_IB_FS_H

#include "mlx5_ib.h"

int mlx5_ib_fs_init(struct mlx5_ib_dev *dev);
void mlx5_ib_fs_cleanup_anchor(struct mlx5_ib_dev *dev);

static inline void mlx5_ib_fs_cleanup(struct mlx5_ib_dev *dev)
{
	/* When a steering anchor is created, a special flow table is also
	 * created for the user to reference. Since the user can reference it,
	 * the kernel cannot trust that when the user destroys the steering
	 * anchor, they no longer reference the flow table.
	 *
	 * To address this issue, when a user destroys a steering anchor, only
	 * the flow steering rule in the table is destroyed, but the table
	 * itself is kept to deal with the above scenario. The remaining
	 * resources are only removed when the RDMA device is destroyed, which
	 * is a safe assumption that all references are gone.
	 */
	mlx5_ib_fs_cleanup_anchor(dev);
	kfree(dev->flow_db->rdma_transport_tx);
	kfree(dev->flow_db->rdma_transport_rx);
	kfree(dev->flow_db);
}
#endif /* _MLX5_IB_FS_H */