LXR linux/drivers/net/ethernet/mellanox/mlx5/core/en/rss.h

   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
  11struct mlx5e_rss_params_traffic_type
  12mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt);
  13
  14struct mlx5e_rss;
  15
  16struct mlx5e_rss *mlx5e_rss_alloc(void);
  17void mlx5e_rss_free(struct mlx5e_rss *rss);
  18int mlx5e_rss_init(struct mlx5e_rss *rss, struct mlx5_core_dev *mdev,
  19                   bool inner_ft_support, u32 drop_rqn,
  20                   const struct mlx5e_lro_param *init_lro_param);
  21int mlx5e_rss_init_no_tirs(struct mlx5e_rss *rss, struct mlx5_core_dev *mdev,
  22                           bool inner_ft_support, u32 drop_rqn);
  23int mlx5e_rss_cleanup(struct mlx5e_rss *rss);
  24
  25void mlx5e_rss_refcnt_inc(struct mlx5e_rss *rss);
  26void mlx5e_rss_refcnt_dec(struct mlx5e_rss *rss);
  27unsigned int mlx5e_rss_refcnt_read(struct mlx5e_rss *rss);
  28
  29u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
  30                       bool inner);
  31int mlx5e_rss_obtain_tirn(struct mlx5e_rss *rss,
  32                          enum mlx5_traffic_types tt,
  33                          const struct mlx5e_lro_param *init_lro_param,
  34                          bool inner, u32 *tirn);
  35
  36void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, unsigned int num_rqns);
  37void mlx5e_rss_disable(struct mlx5e_rss *rss);
  38
  39int mlx5e_rss_lro_set_param(struct mlx5e_rss *rss, struct mlx5e_lro_param *lro_param);
  40int mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc);
  41int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir,
  42                       const u8 *key, const u8 *hfunc,
  43                       u32 *rqns, unsigned int num_rqns);
  44struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss);
  45u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt);
  46int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
  47                              u8 rx_hash_fields);
  48void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch);
  49#endif /* __MLX5_EN_RSS_H__ */
  50