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 enum { 42 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, 43 }; 44 45 #define LEFTOVERS_RULE_NUM 2 46 static inline void build_leftovers_ft_param(int *priority, 47 int *n_ent, 48 int *n_grp) 49 { 50 *priority = 0; /* Priority of leftovers_prio-0 */ 51 *n_ent = LEFTOVERS_RULE_NUM; 52 *n_grp = LEFTOVERS_RULE_NUM; 53 } 54 55 enum mlx5_flow_namespace_type { 56 MLX5_FLOW_NAMESPACE_BYPASS, 57 MLX5_FLOW_NAMESPACE_KERNEL, 58 MLX5_FLOW_NAMESPACE_LEFTOVERS, 59 MLX5_FLOW_NAMESPACE_ANCHOR, 60 MLX5_FLOW_NAMESPACE_FDB, 61 }; 62 63 struct mlx5_flow_table; 64 struct mlx5_flow_group; 65 struct mlx5_flow_rule; 66 struct mlx5_flow_namespace; 67 68 struct mlx5_flow_destination { 69 enum mlx5_flow_destination_type type; 70 union { 71 u32 tir_num; 72 struct mlx5_flow_table *ft; 73 u32 vport_num; 74 }; 75 }; 76 77 struct mlx5_flow_namespace * 78 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 79 enum mlx5_flow_namespace_type type); 80 81 struct mlx5_flow_table * 82 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 83 int prio, 84 int num_flow_table_entries, 85 int max_num_groups); 86 87 struct mlx5_flow_table * 88 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 89 int prio, 90 int num_flow_table_entries); 91 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 92 93 /* inbox should be set with the following values: 94 * start_flow_index 95 * end_flow_index 96 * match_criteria_enable 97 * match_criteria 98 */ 99 struct mlx5_flow_group * 100 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 101 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 102 103 /* Single destination per rule. 104 * Group ID is implied by the match criteria. 105 */ 106 struct mlx5_flow_rule * 107 mlx5_add_flow_rule(struct mlx5_flow_table *ft, 108 u8 match_criteria_enable, 109 u32 *match_criteria, 110 u32 *match_value, 111 u32 action, 112 u32 flow_tag, 113 struct mlx5_flow_destination *dest); 114 void mlx5_del_flow_rule(struct mlx5_flow_rule *fr); 115 116 #endif 117