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

/* 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 */
};

struct mlx5dr_action_dest {
	struct mlx5dr_action *dest;
	struct mlx5dr_action *reformat;
};

#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, u32 flags);

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_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
					struct mlx5_flow_table *ft);

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_mult_dest_tbl(struct mlx5dr_domain *dmn,
				   struct mlx5dr_action_dest *dests,
				   u32 num_of_dests);

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, u32 flags) { 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_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
					struct mlx5_flow_table *ft) { 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_mult_dest_tbl(struct mlx5dr_domain *dmn,
				   struct mlx5dr_action_dest *dests,
				   u32 num_of_dests)  { 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_ */