/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/* Copyright (c) 2020 Mellanox Technologies. */
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#ifndef __ML5_ESW_CHAINS_H__
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#define __ML5_ESW_CHAINS_H__
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#include <linux/mlx5/fs.h>
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struct mlx5_fs_chains;
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enum mlx5_chains_flags {
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MLX5_CHAINS_AND_PRIOS_SUPPORTED = BIT(0),
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MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED = BIT(1),
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MLX5_CHAINS_FT_TUNNEL_SUPPORTED = BIT(2),
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};
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struct mlx5_chains_attr {
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enum mlx5_flow_namespace_type ns;
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u32 flags;
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u32 max_ft_sz;
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u32 max_grp_num;
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struct mlx5_flow_table *default_ft;
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u32 max_restore_tag;
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};
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#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
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bool
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mlx5_chains_prios_supported(struct mlx5_fs_chains *chains);
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bool
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mlx5_chains_backwards_supported(struct mlx5_fs_chains *chains);
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u32
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mlx5_chains_get_prio_range(struct mlx5_fs_chains *chains);
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u32
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mlx5_chains_get_chain_range(struct mlx5_fs_chains *chains);
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u32
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mlx5_chains_get_nf_ft_chain(struct mlx5_fs_chains *chains);
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struct mlx5_flow_table *
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mlx5_chains_get_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
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u32 level);
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void
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mlx5_chains_put_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
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u32 level);
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struct mlx5_flow_table *
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mlx5_chains_get_tc_end_ft(struct mlx5_fs_chains *chains);
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struct mlx5_flow_table *
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mlx5_chains_create_global_table(struct mlx5_fs_chains *chains);
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void
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mlx5_chains_destroy_global_table(struct mlx5_fs_chains *chains,
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struct mlx5_flow_table *ft);
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int
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mlx5_chains_get_chain_mapping(struct mlx5_fs_chains *chains, u32 chain,
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u32 *chain_mapping);
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int
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mlx5_chains_put_chain_mapping(struct mlx5_fs_chains *chains,
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u32 chain_mapping);
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struct mlx5_fs_chains *
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mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr);
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void mlx5_chains_destroy(struct mlx5_fs_chains *chains);
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int
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mlx5_get_chain_for_tag(struct mlx5_fs_chains *chains, u32 tag, u32 *chain);
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void
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mlx5_chains_set_end_ft(struct mlx5_fs_chains *chains,
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struct mlx5_flow_table *ft);
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#else /* CONFIG_MLX5_CLS_ACT */
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static inline struct mlx5_flow_table *
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mlx5_chains_get_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
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u32 level) { return ERR_PTR(-EOPNOTSUPP); }
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static inline void
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mlx5_chains_put_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
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u32 level) {};
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static inline struct mlx5_flow_table *
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mlx5_chains_get_tc_end_ft(struct mlx5_fs_chains *chains) { return ERR_PTR(-EOPNOTSUPP); }
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static inline struct mlx5_fs_chains *
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mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr)
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{ return NULL; }
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static inline void
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mlx5_chains_destroy(struct mlx5_fs_chains *chains) {};
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#endif /* CONFIG_MLX5_CLS_ACT */
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#endif /* __ML5_ESW_CHAINS_H__ */
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