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 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, 44 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, 45 }; 46 47 enum { 48 MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0), 49 }; 50 51 #define LEFTOVERS_RULE_NUM 2 52 static inline void build_leftovers_ft_param(int *priority, 53 int *n_ent, 54 int *n_grp) 55 { 56 *priority = 0; /* Priority of leftovers_prio-0 */ 57 *n_ent = LEFTOVERS_RULE_NUM; 58 *n_grp = LEFTOVERS_RULE_NUM; 59 } 60 61 enum mlx5_flow_namespace_type { 62 MLX5_FLOW_NAMESPACE_BYPASS, 63 MLX5_FLOW_NAMESPACE_LAG, 64 MLX5_FLOW_NAMESPACE_OFFLOADS, 65 MLX5_FLOW_NAMESPACE_ETHTOOL, 66 MLX5_FLOW_NAMESPACE_KERNEL, 67 MLX5_FLOW_NAMESPACE_LEFTOVERS, 68 MLX5_FLOW_NAMESPACE_ANCHOR, 69 MLX5_FLOW_NAMESPACE_FDB, 70 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 71 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 72 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 73 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 74 MLX5_FLOW_NAMESPACE_EGRESS, 75 }; 76 77 struct mlx5_flow_table; 78 struct mlx5_flow_group; 79 struct mlx5_flow_namespace; 80 struct mlx5_flow_handle; 81 82 struct mlx5_flow_spec { 83 u8 match_criteria_enable; 84 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 85 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 86 }; 87 88 struct mlx5_flow_destination { 89 enum mlx5_flow_destination_type type; 90 union { 91 u32 tir_num; 92 u32 ft_num; 93 struct mlx5_flow_table *ft; 94 struct mlx5_fc *counter; 95 struct { 96 u16 num; 97 u16 vhca_id; 98 bool vhca_id_valid; 99 } vport; 100 }; 101 }; 102 103 struct mlx5_flow_namespace * 104 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 105 enum mlx5_flow_namespace_type type); 106 struct mlx5_flow_namespace * 107 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 108 enum mlx5_flow_namespace_type type, 109 int vport); 110 111 struct mlx5_flow_table * 112 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 113 int prio, 114 int num_flow_table_entries, 115 int max_num_groups, 116 u32 level, 117 u32 flags); 118 119 struct mlx5_flow_table_attr { 120 int prio; 121 int max_fte; 122 u32 level; 123 u32 flags; 124 }; 125 126 struct mlx5_flow_table * 127 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 128 struct mlx5_flow_table_attr *ft_attr); 129 130 struct mlx5_flow_table * 131 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 132 int prio, 133 int num_flow_table_entries, 134 u32 level, u16 vport); 135 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 136 struct mlx5_flow_namespace *ns, 137 int prio, u32 level); 138 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 139 140 /* inbox should be set with the following values: 141 * start_flow_index 142 * end_flow_index 143 * match_criteria_enable 144 * match_criteria 145 */ 146 struct mlx5_flow_group * 147 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 148 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 149 150 struct mlx5_fs_vlan { 151 u16 ethtype; 152 u16 vid; 153 u8 prio; 154 }; 155 156 #define MLX5_FS_VLAN_DEPTH 2 157 158 struct mlx5_flow_act { 159 u32 action; 160 bool has_flow_tag; 161 u32 flow_tag; 162 u32 encap_id; 163 u32 modify_id; 164 uintptr_t esp_id; 165 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 166 struct ib_counters *counters; 167 }; 168 169 #define MLX5_DECLARE_FLOW_ACT(name) \ 170 struct mlx5_flow_act name = {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 171 MLX5_FS_DEFAULT_FLOW_TAG, 0, 0} 172 173 /* Single destination per rule. 174 * Group ID is implied by the match criteria. 175 */ 176 struct mlx5_flow_handle * 177 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 178 struct mlx5_flow_spec *spec, 179 struct mlx5_flow_act *flow_act, 180 struct mlx5_flow_destination *dest, 181 int num_dest); 182 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 183 184 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 185 struct mlx5_flow_destination *new_dest, 186 struct mlx5_flow_destination *old_dest); 187 188 struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_handle *handler); 189 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 190 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 191 void mlx5_fc_query_cached(struct mlx5_fc *counter, 192 u64 *bytes, u64 *packets, u64 *lastuse); 193 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 194 u64 *packets, u64 *bytes); 195 196 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 197 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 198 199 #endif 200