drivers/net/ethernet/mellanox/mlx5/core/esw/chains.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2020 Mellanox Technologies. */

#ifndef __ML5_ESW_CHAINS_H__
#define __ML5_ESW_CHAINS_H__

#include "eswitch.h"

#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)

bool
mlx5_esw_chains_prios_supported(struct mlx5_eswitch *esw);
bool
mlx5_esw_chains_backwards_supported(struct mlx5_eswitch *esw);
u32
mlx5_esw_chains_get_prio_range(struct mlx5_eswitch *esw);
u32
mlx5_esw_chains_get_chain_range(struct mlx5_eswitch *esw);
u32
mlx5_esw_chains_get_ft_chain(struct mlx5_eswitch *esw);

struct mlx5_flow_table *
mlx5_esw_chains_get_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
			  u32 level);
void
mlx5_esw_chains_put_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
			  u32 level);

struct mlx5_flow_table *
mlx5_esw_chains_get_tc_end_ft(struct mlx5_eswitch *esw);

struct mlx5_flow_table *
mlx5_esw_chains_create_global_table(struct mlx5_eswitch *esw);
void
mlx5_esw_chains_destroy_global_table(struct mlx5_eswitch *esw,
				     struct mlx5_flow_table *ft);

int
mlx5_esw_chains_get_chain_mapping(struct mlx5_eswitch *esw, u32 chain,
				  u32 *chain_mapping);
int
mlx5_esw_chains_put_chain_mapping(struct mlx5_eswitch *esw,
				  u32 chain_mapping);

int mlx5_esw_chains_create(struct mlx5_eswitch *esw);
void mlx5_esw_chains_destroy(struct mlx5_eswitch *esw);

int
mlx5_eswitch_get_chain_for_tag(struct mlx5_eswitch *esw, u32 tag, u32 *chain);

#else /* CONFIG_MLX5_CLS_ACT */

static inline struct mlx5_flow_table *
mlx5_esw_chains_get_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
			  u32 level) { return ERR_PTR(-EOPNOTSUPP); }
static inline void
mlx5_esw_chains_put_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
			  u32 level) {}

static inline struct mlx5_flow_table *
mlx5_esw_chains_get_tc_end_ft(struct mlx5_eswitch *esw) { return ERR_PTR(-EOPNOTSUPP); }

static inline int mlx5_esw_chains_create(struct mlx5_eswitch *esw) { return 0; }
static inline void mlx5_esw_chains_destroy(struct mlx5_eswitch *esw) {}

#endif /* CONFIG_MLX5_CLS_ACT */

#endif /* __ML5_ESW_CHAINS_H__ */