201 lines
5.5 KiB
C
201 lines
5.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/* Copyright (c) 2019, Mellanox Technologies */
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#ifndef _MLX5DR_H_
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#define _MLX5DR_H_
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struct mlx5dr_domain;
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struct mlx5dr_table;
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struct mlx5dr_matcher;
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struct mlx5dr_rule;
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struct mlx5dr_action;
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enum mlx5dr_domain_type {
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MLX5DR_DOMAIN_TYPE_NIC_RX,
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MLX5DR_DOMAIN_TYPE_NIC_TX,
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MLX5DR_DOMAIN_TYPE_FDB,
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};
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enum mlx5dr_domain_sync_flags {
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MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,
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MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,
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};
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enum mlx5dr_action_reformat_type {
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DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2,
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DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2,
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DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2,
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DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3,
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DR_ACTION_REFORMAT_TYP_INSERT_HDR,
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DR_ACTION_REFORMAT_TYP_REMOVE_HDR,
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};
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struct mlx5dr_match_parameters {
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size_t match_sz;
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u64 *match_buf; /* Device spec format */
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};
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struct mlx5dr_action_dest {
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struct mlx5dr_action *dest;
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struct mlx5dr_action *reformat;
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};
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struct mlx5dr_domain *
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mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
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int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
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int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
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void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
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struct mlx5dr_domain *peer_dmn);
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struct mlx5dr_table *
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mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags,
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u16 uid);
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struct mlx5dr_table *
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mlx5dr_table_get_from_fs_ft(struct mlx5_flow_table *ft);
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int mlx5dr_table_destroy(struct mlx5dr_table *table);
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u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
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struct mlx5dr_matcher *
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mlx5dr_matcher_create(struct mlx5dr_table *table,
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u32 priority,
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u8 match_criteria_enable,
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struct mlx5dr_match_parameters *mask);
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int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
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struct mlx5dr_rule *
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mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
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struct mlx5dr_match_parameters *value,
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size_t num_actions,
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struct mlx5dr_action *actions[],
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u32 flow_source);
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int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
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int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
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struct mlx5dr_action *action);
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struct mlx5dr_action *
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mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num);
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struct mlx5dr_action *
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mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
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struct mlx5dr_action *
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mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
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struct mlx5_flow_table *ft);
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struct mlx5dr_action *
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mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
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u16 vport, u8 vhca_id_valid,
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u16 vhca_id);
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struct mlx5dr_action *
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mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
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struct mlx5dr_action_dest *dests,
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u32 num_of_dests,
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bool ignore_flow_level,
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u32 flow_source);
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struct mlx5dr_action *mlx5dr_action_create_drop(void);
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struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
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struct mlx5dr_action *
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mlx5dr_action_create_flow_sampler(struct mlx5dr_domain *dmn, u32 sampler_id);
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struct mlx5dr_action *
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mlx5dr_action_create_flow_counter(u32 counter_id);
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struct mlx5dr_action *
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mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
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enum mlx5dr_action_reformat_type reformat_type,
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u8 reformat_param_0,
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u8 reformat_param_1,
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size_t data_sz,
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void *data);
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struct mlx5dr_action *
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mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
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u32 flags,
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size_t actions_sz,
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__be64 actions[]);
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struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
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struct mlx5dr_action *
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mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
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struct mlx5dr_action *
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mlx5dr_action_create_aso(struct mlx5dr_domain *dmn,
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u32 obj_id,
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u8 return_reg_id,
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u8 aso_type,
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u8 init_color,
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u8 meter_id);
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struct mlx5dr_action *
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mlx5dr_action_create_dest_match_range(struct mlx5dr_domain *dmn,
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u32 field,
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struct mlx5_flow_table *hit_ft,
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struct mlx5_flow_table *miss_ft,
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u32 min,
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u32 max);
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int mlx5dr_action_destroy(struct mlx5dr_action *action);
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u32 mlx5dr_action_get_pkt_reformat_id(struct mlx5dr_action *action);
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int mlx5dr_definer_get(struct mlx5dr_domain *dmn, u16 format_id,
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u8 *dw_selectors, u8 *byte_selectors,
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u8 *match_mask, u32 *definer_id);
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void mlx5dr_definer_put(struct mlx5dr_domain *dmn, u32 definer_id);
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static inline bool
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mlx5dr_is_supported(struct mlx5_core_dev *dev)
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{
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return MLX5_CAP_GEN(dev, roce) &&
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(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) ||
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(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) &&
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(MLX5_CAP_GEN(dev, steering_format_version) <=
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MLX5_STEERING_FORMAT_CONNECTX_7)));
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}
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/* buddy functions & structure */
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struct mlx5dr_icm_mr;
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struct mlx5dr_icm_buddy_mem {
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unsigned long **bitmap;
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unsigned int *num_free;
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u32 max_order;
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struct list_head list_node;
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struct mlx5dr_icm_mr *icm_mr;
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struct mlx5dr_icm_pool *pool;
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/* Amount of memory in used chunks - HW may be accessing this memory */
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u64 used_memory;
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/* Memory optimisation */
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struct mlx5dr_ste *ste_arr;
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struct list_head *miss_list;
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u8 *hw_ste_arr;
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};
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int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy,
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unsigned int max_order);
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void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy);
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int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy,
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unsigned int order,
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unsigned int *segment);
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void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy,
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unsigned int seg, unsigned int order);
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#endif /* _MLX5DR_H_ */
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