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 enum { 46 MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0), 47 }; 48 49 #define LEFTOVERS_RULE_NUM 2 50 static inline void build_leftovers_ft_param(int *priority, 51 int *n_ent, 52 int *n_grp) 53 { 54 *priority = 0; /* Priority of leftovers_prio-0 */ 55 *n_ent = LEFTOVERS_RULE_NUM; 56 *n_grp = LEFTOVERS_RULE_NUM; 57 } 58 59 enum mlx5_flow_namespace_type { 60 MLX5_FLOW_NAMESPACE_BYPASS, 61 MLX5_FLOW_NAMESPACE_LAG, 62 MLX5_FLOW_NAMESPACE_OFFLOADS, 63 MLX5_FLOW_NAMESPACE_ETHTOOL, 64 MLX5_FLOW_NAMESPACE_KERNEL, 65 MLX5_FLOW_NAMESPACE_LEFTOVERS, 66 MLX5_FLOW_NAMESPACE_ANCHOR, 67 MLX5_FLOW_NAMESPACE_FDB, 68 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 69 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 70 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 71 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 72 }; 73 74 struct mlx5_flow_table; 75 struct mlx5_flow_group; 76 struct mlx5_flow_namespace; 77 struct mlx5_flow_handle; 78 79 struct mlx5_flow_spec { 80 u8 match_criteria_enable; 81 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 82 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 83 }; 84 85 struct mlx5_flow_destination { 86 enum mlx5_flow_destination_type type; 87 union { 88 u32 tir_num; 89 struct mlx5_flow_table *ft; 90 u32 vport_num; 91 struct mlx5_fc *counter; 92 }; 93 }; 94 95 struct mlx5_flow_namespace * 96 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 97 enum mlx5_flow_namespace_type type); 98 struct mlx5_flow_namespace * 99 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 100 enum mlx5_flow_namespace_type type, 101 int vport); 102 103 struct mlx5_flow_table * 104 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 105 int prio, 106 int num_flow_table_entries, 107 int max_num_groups, 108 u32 level, 109 u32 flags); 110 111 struct mlx5_flow_table_attr { 112 int prio; 113 int max_fte; 114 u32 level; 115 u32 flags; 116 }; 117 118 struct mlx5_flow_table * 119 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 120 struct mlx5_flow_table_attr *ft_attr); 121 122 struct mlx5_flow_table * 123 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 124 int prio, 125 int num_flow_table_entries, 126 u32 level, u16 vport); 127 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 128 struct mlx5_flow_namespace *ns, 129 int prio, u32 level); 130 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 131 132 /* inbox should be set with the following values: 133 * start_flow_index 134 * end_flow_index 135 * match_criteria_enable 136 * match_criteria 137 */ 138 struct mlx5_flow_group * 139 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 140 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 141 142 struct mlx5_flow_act { 143 u32 action; 144 u32 flow_tag; 145 u32 encap_id; 146 u32 modify_id; 147 }; 148 149 #define MLX5_DECLARE_FLOW_ACT(name) \ 150 struct mlx5_flow_act name = {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 151 MLX5_FS_DEFAULT_FLOW_TAG, 0, 0} 152 153 /* Single destination per rule. 154 * Group ID is implied by the match criteria. 155 */ 156 struct mlx5_flow_handle * 157 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 158 struct mlx5_flow_spec *spec, 159 struct mlx5_flow_act *flow_act, 160 struct mlx5_flow_destination *dest, 161 int dest_num); 162 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 163 164 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 165 struct mlx5_flow_destination *new_dest, 166 struct mlx5_flow_destination *old_dest); 167 168 struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_handle *handler); 169 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 170 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 171 void mlx5_fc_query_cached(struct mlx5_fc *counter, 172 u64 *bytes, u64 *packets, u64 *lastuse); 173 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 174 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 175 176 #endif 177