Commit c6fef514 authored by Paul Blakey's avatar Paul Blakey Committed by Saeed Mahameed
Browse files

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



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: default avatarPaul Blakey <paulb@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Reviewed-by: default avatarRoi Dayan <roid@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 34ea969d

drivers/net/ethernet/mellanox/mlx5/core/Makefile

+1 −1
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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

#

drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c

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+68 −0
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// 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);

}

drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h

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/* 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__ */