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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2020 Mellanox Technologies */
#ifndef __MLX5E_EN_MOD_HDR_H__
#define __MLX5E_EN_MOD_HDR_H__
#include <linux/hashtable.h>
#include <linux/mlx5/fs.h>
struct mlx5e_mod_hdr_handle;
struct mlx5e_tc_mod_hdr_acts {
int num_actions;
int max_actions;
void *actions;
};
char *mlx5e_mod_hdr_alloc(struct mlx5_core_dev *mdev, int namespace,
struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
void mlx5e_mod_hdr_dealloc(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
char *mlx5e_mod_hdr_get_item(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, int pos);
struct mlx5e_mod_hdr_handle *
mlx5e_mod_hdr_attach(struct mlx5_core_dev *mdev,
struct mod_hdr_tbl *tbl,
enum mlx5_flow_namespace_type namespace,
struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
void mlx5e_mod_hdr_detach(struct mlx5_core_dev *mdev,
struct mod_hdr_tbl *tbl,
struct mlx5e_mod_hdr_handle *mh);
struct mlx5_modify_hdr *mlx5e_mod_hdr_get(struct mlx5e_mod_hdr_handle *mh);
void mlx5e_mod_hdr_tbl_init(struct mod_hdr_tbl *tbl);
void mlx5e_mod_hdr_tbl_destroy(struct mod_hdr_tbl *tbl);
static inline int mlx5e_mod_hdr_max_actions(struct mlx5_core_dev *mdev, int namespace)
{
if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */
return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions);
else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */
return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions);
}
#endif /* __MLX5E_EN_MOD_HDR_H__ */
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