| /* 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, |
| DR_ACTION_REFORMAT_TYP_INSERT_HDR, |
| DR_ACTION_REFORMAT_TYP_REMOVE_HDR, |
| }; |
| |
| 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; |
| }; |
| |
| 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, |
| u32 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[], |
| u32 flow_source); |
| |
| 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_num(struct mlx5dr_domain *dmn, u32 table_num); |
| |
| 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, |
| bool ignore_flow_level); |
| |
| 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_sampler(struct mlx5dr_domain *dmn, u32 sampler_id); |
| |
| 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, |
| u8 reformat_param_0, |
| u8 reformat_param_1, |
| 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_GEN(dev, roce) && |
| (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) || |
| (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) && |
| (MLX5_CAP_GEN(dev, steering_format_version) <= |
| MLX5_STEERING_FORMAT_CONNECTX_6DX))); |
| } |
| |
| /* buddy functions & structure */ |
| |
| struct mlx5dr_icm_mr; |
| |
| struct mlx5dr_icm_buddy_mem { |
| unsigned long **bitmap; |
| unsigned int *num_free; |
| u32 max_order; |
| struct list_head list_node; |
| struct mlx5dr_icm_mr *icm_mr; |
| struct mlx5dr_icm_pool *pool; |
| |
| /* This is the list of used chunks. HW may be accessing this memory */ |
| struct list_head used_list; |
| u64 used_memory; |
| |
| /* Hardware may be accessing this memory but at some future, |
| * undetermined time, it might cease to do so. |
| * sync_ste command sets them free. |
| */ |
| struct list_head hot_list; |
| }; |
| |
| int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy, |
| unsigned int max_order); |
| void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy); |
| int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy, |
| unsigned int order, |
| unsigned int *segment); |
| void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy, |
| unsigned int seg, unsigned int order); |
| |
| #endif /* _MLX5DR_H_ */ |