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net/mlx5: Add smfs lib to export direct steering API to CT

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Add a thin layer that exports selected direct steering (dr) API
which will be used by a ct fs implementation in a following
patch.

Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Paul Blakey 2021-09-30 12:06:35 +03:00 committed by Saeed Mahameed
parent 34ea969d16
commit c6fef514ad
3 changed files with 105 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/Makefile
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@ -106,7 +106,7 @@ mlx5_core-$(CONFIG_MLX5_SW_STEERING) += steering/dr_domain.o steering/dr_table.o
steering/dr_ste_v2.o \
steering/dr_cmd.o steering/dr_fw.o \
steering/dr_action.o steering/fs_dr.o \
steering/dr_dbg.o
steering/dr_dbg.o lib/smfs.o
#
# SF device
#

68
drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c Normal file
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@ -0,0 +1,68 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */
#include <linux/kernel.h>
#include <linux/mlx5/driver.h>
#include "smfs.h"
struct mlx5dr_matcher *
mlx5_smfs_matcher_create(struct mlx5dr_table *table, u32 priority, struct mlx5_flow_spec *spec)
{
struct mlx5dr_match_parameters matcher_mask = {};
matcher_mask.match_buf = (u64 *)&spec->match_criteria;
matcher_mask.match_sz = DR_SZ_MATCH_PARAM;
return mlx5dr_matcher_create(table, priority, spec->match_criteria_enable, &matcher_mask);
}
void
mlx5_smfs_matcher_destroy(struct mlx5dr_matcher *matcher)
{
mlx5dr_matcher_destroy(matcher);
}
struct mlx5dr_table *
mlx5_smfs_table_get_from_fs_ft(struct mlx5_flow_table *ft)
{
return mlx5dr_table_get_from_fs_ft(ft);
}
struct mlx5dr_action *
mlx5_smfs_action_create_dest_table(struct mlx5dr_table *table)
{
return mlx5dr_action_create_dest_table(table);
}
struct mlx5dr_action *
mlx5_smfs_action_create_flow_counter(u32 counter_id)
{
return mlx5dr_action_create_flow_counter(counter_id);
}
void
mlx5_smfs_action_destroy(struct mlx5dr_action *action)
{
mlx5dr_action_destroy(action);
}
struct mlx5dr_rule *
mlx5_smfs_rule_create(struct mlx5dr_matcher *matcher, struct mlx5_flow_spec *spec,
size_t num_actions, struct mlx5dr_action *actions[],
u32 flow_source)
{
struct mlx5dr_match_parameters value = {};
value.match_buf = (u64 *)spec->match_value;
value.match_sz = DR_SZ_MATCH_PARAM;
return mlx5dr_rule_create(matcher, &value, num_actions, actions, flow_source);
}
void
mlx5_smfs_rule_destroy(struct mlx5dr_rule *rule)
{
mlx5dr_rule_destroy(rule);
}

36
drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h Normal file
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@ -0,0 +1,36 @@
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */
#ifndef __MLX5_LIB_SMFS_H__
#define __MLX5_LIB_SMFS_H__
#include "steering/mlx5dr.h"
#include "steering/dr_types.h"
struct mlx5dr_matcher *
mlx5_smfs_matcher_create(struct mlx5dr_table *table, u32 priority, struct mlx5_flow_spec *spec);
void
mlx5_smfs_matcher_destroy(struct mlx5dr_matcher *matcher);
struct mlx5dr_table *
mlx5_smfs_table_get_from_fs_ft(struct mlx5_flow_table *ft);
struct mlx5dr_action *
mlx5_smfs_action_create_dest_table(struct mlx5dr_table *table);
struct mlx5dr_action *
mlx5_smfs_action_create_flow_counter(u32 counter_id);
void
mlx5_smfs_action_destroy(struct mlx5dr_action *action);
struct mlx5dr_rule *
mlx5_smfs_rule_create(struct mlx5dr_matcher *matcher, struct mlx5_flow_spec *spec,
size_t num_actions, struct mlx5dr_action *actions[],
u32 flow_source);
void
mlx5_smfs_rule_destroy(struct mlx5dr_rule *rule);
#endif /* __MLX5_LIB_SMFS_H__ */