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Commit 70605ea5 authored by Alex Vesker's avatar Alex Vesker Committed by Saeed Mahameed
Browse files

net/mlx5: DR, Expose APIs for direct rule managing 



Expose APIs for direct rule managing to increase insertion rate by
bypassing the firmware.

Signed-off-by: default avatarAlex Vesker <valex@mellanox.com>
Reviewed-by: default avatarErez Shitrit <erezsh@mellanox.com>
Reviewed-by: default avatarMark Bloch <markb@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent c47ff7ba

drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h

0 → 100644
+212 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */

/* Copyright (c) 2019, Mellanox Technologies */



#ifndef _MLX5DR_H_

#define _MLX5DR_H_



struct mlx5dr_domain;

struct mlx5dr_table;

struct mlx5dr_matcher;

struct mlx5dr_rule;

struct mlx5dr_action;



enum mlx5dr_domain_type {

	MLX5DR_DOMAIN_TYPE_NIC_RX,

	MLX5DR_DOMAIN_TYPE_NIC_TX,

	MLX5DR_DOMAIN_TYPE_FDB,

};



enum mlx5dr_domain_sync_flags {

	MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,

	MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,

};



enum mlx5dr_action_reformat_type {

	DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2,

	DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2,

	DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2,

	DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3,

};



struct mlx5dr_match_parameters {

	size_t match_sz;

	u64 *match_buf; /* Device spec format */

};



#ifdef CONFIG_MLX5_SW_STEERING



struct mlx5dr_domain *

mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);



int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);



int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);



void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,

			    struct mlx5dr_domain *peer_dmn);



struct mlx5dr_table *

mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level);



int mlx5dr_table_destroy(struct mlx5dr_table *table);



u32 mlx5dr_table_get_id(struct mlx5dr_table *table);



struct mlx5dr_matcher *

mlx5dr_matcher_create(struct mlx5dr_table *table,

		      u16 priority,

		      u8 match_criteria_enable,

		      struct mlx5dr_match_parameters *mask);



int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);



struct mlx5dr_rule *

mlx5dr_rule_create(struct mlx5dr_matcher *matcher,

		   struct mlx5dr_match_parameters *value,

		   size_t num_actions,

		   struct mlx5dr_action *actions[]);



int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);



int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,

				 struct mlx5dr_action *action);



struct mlx5dr_action *

mlx5dr_action_create_dest_table(struct mlx5dr_table *table);



struct mlx5dr_action *

mlx5dr_create_action_dest_flow_fw_table(struct mlx5_flow_table *ft,

					struct mlx5_core_dev *mdev);



struct mlx5dr_action *

mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,

				u32 vport, u8 vhca_id_valid,

				u16 vhca_id);



struct mlx5dr_action *mlx5dr_action_create_drop(void);



struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);



struct mlx5dr_action *

mlx5dr_action_create_flow_counter(u32 counter_id);



struct mlx5dr_action *

mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,

				     enum mlx5dr_action_reformat_type reformat_type,

				     size_t data_sz,

				     void *data);



struct mlx5dr_action *

mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,

				   u32 flags,

				   size_t actions_sz,

				   __be64 actions[]);



struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);



struct mlx5dr_action *

mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);



int mlx5dr_action_destroy(struct mlx5dr_action *action);



static inline bool

mlx5dr_is_supported(struct mlx5_core_dev *dev)

{

	return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner);

}



#else /* CONFIG_MLX5_SW_STEERING */



static inline struct mlx5dr_domain *

mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type) { return NULL; }



static inline int

mlx5dr_domain_destroy(struct mlx5dr_domain *domain) { return 0; }



static inline int

mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags) { return 0; }



static inline void

mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,

		       struct mlx5dr_domain *peer_dmn) { }



static inline struct mlx5dr_table *

mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level) { return NULL; }



static inline int

mlx5dr_table_destroy(struct mlx5dr_table *table) { return 0; }



static inline u32

mlx5dr_table_get_id(struct mlx5dr_table *table) { return 0; }



static inline struct mlx5dr_matcher *

mlx5dr_matcher_create(struct mlx5dr_table *table,

		      u16 priority,

		      u8 match_criteria_enable,

		      struct mlx5dr_match_parameters *mask) { return NULL; }



static inline int

mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher) { return 0; }



static inline struct mlx5dr_rule *

mlx5dr_rule_create(struct mlx5dr_matcher *matcher,

		   struct mlx5dr_match_parameters *value,

		   size_t num_actions,

		   struct mlx5dr_action *actions[]) { return NULL; }



static inline int

mlx5dr_rule_destroy(struct mlx5dr_rule *rule) { return 0; }



static inline int

mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,

			     struct mlx5dr_action *action) { return 0; }



static inline struct mlx5dr_action *

mlx5dr_action_create_dest_table(struct mlx5dr_table *table) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_create_action_dest_flow_fw_table(struct mlx5_flow_table *ft,

					struct mlx5_core_dev *mdev) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,

				u32 vport, u8 vhca_id_valid,

				u16 vhca_id) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_drop(void) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_tag(u32 tag_value) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_flow_counter(u32 counter_id) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,

				     enum mlx5dr_action_reformat_type reformat_type,

				     size_t data_sz,

				     void *data) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,

				   u32 flags,

				   size_t actions_sz,

				   __be64 actions[]) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_pop_vlan(void) { return NULL; }



static inline struct mlx5dr_action *

mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain,

			       __be32 vlan_hdr) { return NULL; }



static inline int

mlx5dr_action_destroy(struct mlx5dr_action *action) { return 0; }



static inline bool

mlx5dr_is_supported(struct mlx5_core_dev *dev) { return false; }



#endif /* CONFIG_MLX5_SW_STEERING */



#endif /* _MLX5DR_H_ */