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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */
#ifndef __MLX5_EN_RQT_H__
#define __MLX5_EN_RQT_H__
#include <linux/kernel.h>
#define MLX5E_INDIR_MIN_RQT_SIZE (BIT(8))
struct mlx5_core_dev;
struct mlx5e_rss_params_indir {
u32 *table;
u32 actual_table_size;
u32 max_table_size;
};
void mlx5e_rss_params_indir_init_uniform(struct mlx5e_rss_params_indir *indir,
unsigned int num_channels);
struct mlx5e_rqt {
struct mlx5_core_dev *mdev; /* primary */
u32 rqtn;
u16 size;
};
int mlx5e_rqt_init_direct(struct mlx5e_rqt *rqt, struct mlx5_core_dev *mdev,
bool indir_enabled, u32 init_rqn, u32 indir_table_size);
int mlx5e_rqt_init_indir(struct mlx5e_rqt *rqt, struct mlx5_core_dev *mdev,
u32 *rqns, u32 *vhca_ids, unsigned int num_rqns,
u8 hfunc, struct mlx5e_rss_params_indir *indir);
void mlx5e_rqt_destroy(struct mlx5e_rqt *rqt);
static inline u32 mlx5e_rqt_get_rqtn(struct mlx5e_rqt *rqt)
{
return rqt->rqtn;
}
u32 mlx5e_rqt_size(struct mlx5_core_dev *mdev, unsigned int num_channels);
int mlx5e_rqt_redirect_direct(struct mlx5e_rqt *rqt, u32 rqn, u32 *vhca_id);
int mlx5e_rqt_redirect_indir(struct mlx5e_rqt *rqt, u32 *rqns, u32 *vhca_ids,
unsigned int num_rqns,
u8 hfunc, struct mlx5e_rss_params_indir *indir);
#endif /* __MLX5_EN_RQT_H__ */
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