/*- * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _MLX5_FS_ #define _MLX5_FS_ #include #include #include #include enum { MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, }; /*Flow tag*/ enum { MLX5_FS_DEFAULT_FLOW_TAG = 0xFFFFFF, MLX5_FS_ETH_FLOW_TAG = 0xFFFFFE, MLX5_FS_SNIFFER_FLOW_TAG = 0xFFFFFD, }; enum { MLX5_FS_FLOW_TAG_MASK = 0xFFFFFF, }; #define FS_MAX_TYPES 10 #define FS_MAX_ENTRIES 32000U enum mlx5_flow_namespace_type { MLX5_FLOW_NAMESPACE_BYPASS, MLX5_FLOW_NAMESPACE_OFFLOADS, MLX5_FLOW_NAMESPACE_KERNEL, MLX5_FLOW_NAMESPACE_LEFTOVERS, MLX5_FLOW_NAMESPACE_SNIFFER_RX, MLX5_FLOW_NAMESPACE_SNIFFER_TX, MLX5_FLOW_NAMESPACE_FDB, MLX5_FLOW_NAMESPACE_ESW_EGRESS, MLX5_FLOW_NAMESPACE_ESW_INGRESS, }; struct mlx5_flow_table; struct mlx5_flow_group; struct mlx5_flow_rule; struct mlx5_flow_namespace; struct mlx5_flow_spec { u8 match_criteria_enable; u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; }; struct mlx5_flow_destination { u32 type; union { u32 tir_num; struct mlx5_flow_table *ft; u32 vport_num; }; }; #define FT_NAME_STR_SZ 20 #define LEFTOVERS_RULE_NUM 2 static inline void build_leftovers_ft_param(char *name, unsigned int *priority, int *n_ent, int *n_grp) { snprintf(name, FT_NAME_STR_SZ, "leftovers"); *priority = 0; /*Priority of leftovers_prio-0*/ *n_ent = LEFTOVERS_RULE_NUM + 1; /*1: star rules*/ *n_grp = LEFTOVERS_RULE_NUM; } static inline bool outer_header_zero(u32 *match_criteria) { int size = MLX5_ST_SZ_BYTES(fte_match_param); char *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers); return outer_headers_c[0] == 0 && !memcmp(outer_headers_c, outer_headers_c + 1, size - 1); } struct mlx5_flow_namespace * mlx5_get_flow_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type type); /* The underlying implementation create two more entries for * chaining flow tables. the user should be aware that if he pass * max_num_ftes as 2^N it will result in doubled size flow table */ struct mlx5_flow_table * mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, int prio, const char *name, int num_flow_table_entries, int max_num_groups); struct mlx5_flow_table * mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, u16 vport, int prio, const char *name, int num_flow_table_entries); struct mlx5_flow_table * mlx5_create_flow_table(struct mlx5_flow_namespace *ns, int prio, const char *name, int num_flow_table_entries); int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); /* inbox should be set with the following values: * start_flow_index * end_flow_index * match_criteria_enable * match_criteria */ struct mlx5_flow_group * mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); /* Single destination per rule. * Group ID is implied by the match criteria. */ struct mlx5_flow_rule * mlx5_add_flow_rule(struct mlx5_flow_table *ft, u8 match_criteria_enable, u32 *match_criteria, u32 *match_value, u32 action, u32 flow_tag, struct mlx5_flow_destination *dest); void mlx5_del_flow_rule(struct mlx5_flow_rule **); /*The following API is for sniffer*/ typedef int (*rule_event_fn)(struct mlx5_flow_rule *rule, bool ctx_changed, void *client_data, void *context); struct mlx5_flow_handler; struct flow_client_priv_data; void mlx5e_sniffer_roce_mode_notify( struct mlx5_core_dev *mdev, int action); int mlx5_set_rule_private_data(struct mlx5_flow_rule *rule, struct mlx5_flow_handler *handler, void *client_data); struct mlx5_flow_handler *mlx5_register_rule_notifier(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type, rule_event_fn add_cb, rule_event_fn del_cb, void *context); void mlx5_unregister_rule_notifier(struct mlx5_flow_handler *handler); void mlx5_flow_iterate_existing_rules(struct mlx5_flow_namespace *ns, rule_event_fn cb, void *context); void mlx5_get_match_criteria(u32 *match_criteria, struct mlx5_flow_rule *rule); void mlx5_get_match_value(u32 *match_value, struct mlx5_flow_rule *rule); u8 mlx5_get_match_criteria_enable(struct mlx5_flow_rule *rule); struct mlx5_flow_rules_list *get_roce_flow_rules(u8 roce_mode); void mlx5_del_flow_rules_list(struct mlx5_flow_rules_list *rules_list); struct mlx5_flow_rules_list { struct list_head head; }; struct mlx5_flow_rule_node { struct list_head list; u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; u8 match_criteria_enable; }; struct mlx5_core_fs_mask { u8 match_criteria_enable; u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; }; bool fs_match_exact_val( struct mlx5_core_fs_mask *mask, void *val1, void *val2); bool fs_match_exact_mask( u8 match_criteria_enable1, u8 match_criteria_enable2, void *mask1, void *mask2); /**********end API for sniffer**********/ #endif