| /* 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); |
| unsigned int mlx5e_rqt_max_num_channels_allowed_for_xor8(void); |
| 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__ */ |
