1 /* 2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef _MLX5_FS_ 34 #define _MLX5_FS_ 35 36 #include <linux/mlx5/driver.h> 37 #include <linux/mlx5/mlx5_ifc.h> 38 39 #define MLX5_FS_DEFAULT_FLOW_TAG 0x0 40 41 #define LEFTOVERS_RULE_NUM 2 42 static inline void build_leftovers_ft_param(int *priority, 43 int *n_ent, 44 int *n_grp) 45 { 46 *priority = 0; /* Priority of leftovers_prio-0 */ 47 *n_ent = LEFTOVERS_RULE_NUM; 48 *n_grp = LEFTOVERS_RULE_NUM; 49 } 50 51 enum mlx5_flow_namespace_type { 52 MLX5_FLOW_NAMESPACE_BYPASS, 53 MLX5_FLOW_NAMESPACE_KERNEL, 54 MLX5_FLOW_NAMESPACE_LEFTOVERS, 55 MLX5_FLOW_NAMESPACE_FDB, 56 }; 57 58 struct mlx5_flow_table; 59 struct mlx5_flow_group; 60 struct mlx5_flow_rule; 61 struct mlx5_flow_namespace; 62 63 struct mlx5_flow_destination { 64 enum mlx5_flow_destination_type type; 65 union { 66 u32 tir_num; 67 struct mlx5_flow_table *ft; 68 u32 vport_num; 69 }; 70 }; 71 72 struct mlx5_flow_namespace * 73 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 74 enum mlx5_flow_namespace_type type); 75 76 struct mlx5_flow_table * 77 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 78 int prio, 79 int num_flow_table_entries, 80 int max_num_groups); 81 82 struct mlx5_flow_table * 83 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 84 int prio, 85 int num_flow_table_entries); 86 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 87 88 /* inbox should be set with the following values: 89 * start_flow_index 90 * end_flow_index 91 * match_criteria_enable 92 * match_criteria 93 */ 94 struct mlx5_flow_group * 95 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 96 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 97 98 /* Single destination per rule. 99 * Group ID is implied by the match criteria. 100 */ 101 struct mlx5_flow_rule * 102 mlx5_add_flow_rule(struct mlx5_flow_table *ft, 103 u8 match_criteria_enable, 104 u32 *match_criteria, 105 u32 *match_value, 106 u32 action, 107 u32 flow_tag, 108 struct mlx5_flow_destination *dest); 109 void mlx5_del_flow_rule(struct mlx5_flow_rule *fr); 110 111 #endif 112