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_OFFLOADS, 58 MLX5_FLOW_NAMESPACE_ETHTOOL, 59 MLX5_FLOW_NAMESPACE_KERNEL, 60 MLX5_FLOW_NAMESPACE_LEFTOVERS, 61 MLX5_FLOW_NAMESPACE_ANCHOR, 62 MLX5_FLOW_NAMESPACE_FDB, 63 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 64 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 65 }; 66 67 struct mlx5_flow_table; 68 struct mlx5_flow_group; 69 struct mlx5_flow_rule; 70 struct mlx5_flow_namespace; 71 72 struct mlx5_flow_spec { 73 u8 match_criteria_enable; 74 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 75 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 76 }; 77 78 struct mlx5_flow_destination { 79 enum mlx5_flow_destination_type type; 80 union { 81 u32 tir_num; 82 struct mlx5_flow_table *ft; 83 u32 vport_num; 84 struct mlx5_fc *counter; 85 }; 86 }; 87 88 struct mlx5_flow_namespace * 89 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 90 enum mlx5_flow_namespace_type type); 91 92 struct mlx5_flow_table * 93 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 94 int prio, 95 int num_flow_table_entries, 96 int max_num_groups, 97 u32 level); 98 99 struct mlx5_flow_table * 100 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 101 int prio, 102 int num_flow_table_entries, 103 u32 level); 104 struct mlx5_flow_table * 105 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 106 int prio, 107 int num_flow_table_entries, 108 u32 level, u16 vport); 109 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 110 111 /* inbox should be set with the following values: 112 * start_flow_index 113 * end_flow_index 114 * match_criteria_enable 115 * match_criteria 116 */ 117 struct mlx5_flow_group * 118 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 119 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 120 121 /* Single destination per rule. 122 * Group ID is implied by the match criteria. 123 */ 124 struct mlx5_flow_rule * 125 mlx5_add_flow_rule(struct mlx5_flow_table *ft, 126 struct mlx5_flow_spec *spec, 127 u32 action, 128 u32 flow_tag, 129 struct mlx5_flow_destination *dest); 130 void mlx5_del_flow_rule(struct mlx5_flow_rule *fr); 131 132 int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule, 133 struct mlx5_flow_destination *dest); 134 135 struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule); 136 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 137 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 138 void mlx5_fc_query_cached(struct mlx5_fc *counter, 139 u64 *bytes, u64 *packets, u64 *lastuse); 140 141 #endif 142