1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */ 3 4 #ifndef __MLX5_EN_RSS_H__ 5 #define __MLX5_EN_RSS_H__ 6 7 #include "rqt.h" 8 #include "tir.h" 9 #include "fs.h" 10 11 enum mlx5e_rss_init_type { 12 MLX5E_RSS_INIT_NO_TIRS = 0, 13 MLX5E_RSS_INIT_TIRS 14 }; 15 16 struct mlx5e_rss_params_traffic_type 17 mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt); 18 19 struct mlx5e_rss; 20 21 int mlx5e_rss_params_indir_init(struct mlx5e_rss_params_indir *indir, struct mlx5_core_dev *mdev, 22 u32 actual_table_size, u32 max_table_size); 23 void mlx5e_rss_params_indir_cleanup(struct mlx5e_rss_params_indir *indir); 24 void mlx5e_rss_params_indir_modify_actual_size(struct mlx5e_rss *rss, u32 num_channels); 25 struct mlx5e_rss *mlx5e_rss_init(struct mlx5_core_dev *mdev, bool inner_ft_support, u32 drop_rqn, 26 const struct mlx5e_packet_merge_param *init_pkt_merge_param, 27 enum mlx5e_rss_init_type type, unsigned int nch, 28 unsigned int max_nch); 29 int mlx5e_rss_cleanup(struct mlx5e_rss *rss); 30 31 void mlx5e_rss_refcnt_inc(struct mlx5e_rss *rss); 32 void mlx5e_rss_refcnt_dec(struct mlx5e_rss *rss); 33 unsigned int mlx5e_rss_refcnt_read(struct mlx5e_rss *rss); 34 35 u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt, 36 bool inner); 37 int mlx5e_rss_obtain_tirn(struct mlx5e_rss *rss, 38 enum mlx5_traffic_types tt, 39 const struct mlx5e_packet_merge_param *init_pkt_merge_param, 40 bool inner, u32 *tirn); 41 42 void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, u32 *vhca_ids, unsigned int num_rqns); 43 void mlx5e_rss_disable(struct mlx5e_rss *rss); 44 45 int mlx5e_rss_packet_merge_set_param(struct mlx5e_rss *rss, 46 struct mlx5e_packet_merge_param *pkt_merge_param); 47 int mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc); 48 int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir, 49 const u8 *key, const u8 *hfunc, 50 u32 *rqns, u32 *vhca_ids, unsigned int num_rqns); 51 struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss); 52 u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt); 53 int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt, 54 u8 rx_hash_fields); 55 void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch); 56 #endif /* __MLX5_EN_RSS_H__ */ 57