mirror of https://github.com/F-Stack/f-stack.git
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2022 NVIDIA Corporation & Affiliates
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*/
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#ifndef MLX5DR_MATCHER_H_
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#define MLX5DR_MATCHER_H_
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/* Max supported match template */
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#define MLX5DR_MATCHER_MAX_MT 2
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#define MLX5DR_MATCHER_MAX_MT_ROOT 1
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/* Max supported action template */
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#define MLX5DR_MATCHER_MAX_AT 4
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/* We calculated that concatenating a collision table to the main table with
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* 3% of the main table rows will be enough resources for high insertion
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* success probability.
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*
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* The calculation: log2(2^x * 3 / 100) = log2(2^x) + log2(3/100) = x - 5.05 ~ 5
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*/
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#define MLX5DR_MATCHER_ASSURED_ROW_RATIO 5
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/* Thrashold to determine if amount of rules require a collision table */
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#define MLX5DR_MATCHER_ASSURED_RULES_TH 10
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/* Required depth of an assured collision table */
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#define MLX5DR_MATCHER_ASSURED_COL_TBL_DEPTH 4
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/* Required depth of the main large table */
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#define MLX5DR_MATCHER_ASSURED_MAIN_TBL_DEPTH 2
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struct mlx5dr_match_template {
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struct rte_flow_item *items;
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struct mlx5dr_definer *definer;
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struct mlx5dr_definer_fc *fc;
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uint32_t fc_sz;
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uint64_t item_flags;
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uint8_t vport_item_id;
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enum mlx5dr_match_template_flags flags;
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uint32_t refcount;
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};
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struct mlx5dr_matcher_match_ste {
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struct mlx5dr_pool_chunk ste;
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struct mlx5dr_devx_obj *rtc_0;
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struct mlx5dr_devx_obj *rtc_1;
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struct mlx5dr_pool *pool;
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};
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struct mlx5dr_matcher_action_ste {
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struct mlx5dr_pool_chunk ste;
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struct mlx5dr_pool_chunk stc;
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struct mlx5dr_devx_obj *rtc_0;
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struct mlx5dr_devx_obj *rtc_1;
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struct mlx5dr_pool *pool;
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uint8_t max_stes;
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};
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struct mlx5dr_matcher {
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struct mlx5dr_table *tbl;
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struct mlx5dr_matcher_attr attr;
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struct mlx5dv_flow_matcher *dv_matcher;
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struct mlx5dr_match_template *mt[MLX5DR_MATCHER_MAX_MT];
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uint8_t num_of_mt;
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struct mlx5dr_action_template *at[MLX5DR_MATCHER_MAX_AT];
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uint8_t num_of_at;
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struct mlx5dr_devx_obj *end_ft;
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struct mlx5dr_matcher *col_matcher;
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struct mlx5dr_matcher_match_ste match_ste;
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struct mlx5dr_matcher_action_ste action_ste;
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LIST_ENTRY(mlx5dr_matcher) next;
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};
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int mlx5dr_matcher_conv_items_to_prm(uint64_t *match_buf,
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struct rte_flow_item *items,
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uint8_t *match_criteria,
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bool is_value);
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#endif /* MLX5DR_MATCHER_H_ */
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