From 70605ea545e88fd5106545c42cac33e5a8f54317 Mon Sep 17 00:00:00 2001 From: Alex Vesker Date: Tue, 20 Aug 2019 11:33:40 +0300 Subject: [PATCH] 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: Alex Vesker Reviewed-by: Erez Shitrit Reviewed-by: Mark Bloch Signed-off-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/core/steering/mlx5dr.h | 212 +++++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h new file mode 100644 index 000000000000..adda9cbfba45 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h @@ -0,0 +1,212 @@ +/* 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_ */ -- 2.11.0