linux/drivers/net/ethernet/mellanox/mlx5/core/en/rss.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES.

#include "rss.h"

#define mlx5e_rss_warn(__dev, format, ...) …

static const struct mlx5e_rss_params_traffic_type rss_default_config[MLX5E_NUM_INDIR_TIRS] = …;

struct mlx5e_rss_params_traffic_type
mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt)
{ … }

struct mlx5e_rss { … };

void mlx5e_rss_params_indir_modify_actual_size(struct mlx5e_rss *rss, u32 num_channels)
{ … }

int mlx5e_rss_params_indir_init(struct mlx5e_rss_params_indir *indir, struct mlx5_core_dev *mdev,
				u32 actual_table_size, u32 max_table_size)
{ … }

void mlx5e_rss_params_indir_cleanup(struct mlx5e_rss_params_indir *indir)
{ … }

static int mlx5e_rss_copy(struct mlx5e_rss *to, const struct mlx5e_rss *from)
{ … }

static struct mlx5e_rss *mlx5e_rss_init_copy(const struct mlx5e_rss *from)
{ … }

static void mlx5e_rss_params_init(struct mlx5e_rss *rss)
{ … }

static struct mlx5e_tir **rss_get_tirp(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
				       bool inner)
{ … }

static struct mlx5e_tir *rss_get_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
				     bool inner)
{ … }

static struct mlx5e_rss_params_traffic_type
mlx5e_rss_get_tt_config(struct mlx5e_rss *rss, enum mlx5_traffic_types tt)
{ … }

static int mlx5e_rss_create_tir(struct mlx5e_rss *rss,
				enum mlx5_traffic_types tt,
				const struct mlx5e_packet_merge_param *init_pkt_merge_param,
				bool inner)
{ … }

static void mlx5e_rss_destroy_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
				  bool inner)
{ … }

static int mlx5e_rss_create_tirs(struct mlx5e_rss *rss,
				 const struct mlx5e_packet_merge_param *init_pkt_merge_param,
				 bool inner)
{ … }

static void mlx5e_rss_destroy_tirs(struct mlx5e_rss *rss, bool inner)
{ … }

static int mlx5e_rss_update_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
				bool inner)
{ … }

static int mlx5e_rss_update_tirs(struct mlx5e_rss *rss)
{ … }

static int mlx5e_rss_init_no_tirs(struct mlx5e_rss *rss)
{ … }

struct mlx5e_rss *mlx5e_rss_init(struct mlx5_core_dev *mdev, bool inner_ft_support, u32 drop_rqn,
				 const struct mlx5e_packet_merge_param *init_pkt_merge_param,
				 enum mlx5e_rss_init_type type, unsigned int nch,
				 unsigned int max_nch)
{ … }

int mlx5e_rss_cleanup(struct mlx5e_rss *rss)
{ … }

void mlx5e_rss_refcnt_inc(struct mlx5e_rss *rss)
{ … }

void mlx5e_rss_refcnt_dec(struct mlx5e_rss *rss)
{ … }

unsigned int mlx5e_rss_refcnt_read(struct mlx5e_rss *rss)
{ … }

u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
		       bool inner)
{ … }

/* Fill the "tirn" output parameter.
 * Create the requested TIR if it's its first usage.
 */
int mlx5e_rss_obtain_tirn(struct mlx5e_rss *rss,
			  enum mlx5_traffic_types tt,
			  const struct mlx5e_packet_merge_param *init_pkt_merge_param,
			  bool inner, u32 *tirn)
{ … }

static int mlx5e_rss_apply(struct mlx5e_rss *rss, u32 *rqns, u32 *vhca_ids, unsigned int num_rqns)
{ … }

void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, u32 *vhca_ids, unsigned int num_rqns)
{ … }

void mlx5e_rss_disable(struct mlx5e_rss *rss)
{ … }

int mlx5e_rss_packet_merge_set_param(struct mlx5e_rss *rss,
				     struct mlx5e_packet_merge_param *pkt_merge_param)
{ … }

int mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc)
{ … }

int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir,
		       const u8 *key, const u8 *hfunc,
		       u32 *rqns, u32 *vhca_ids, unsigned int num_rqns)
{ … }

struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss)
{ … }

u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt)
{ … }

int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
			      u8 rx_hash_fields)
{ … }

void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch)
{ … }