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 MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v) 42 43 enum mlx5_flow_destination_type { 44 MLX5_FLOW_DESTINATION_TYPE_NONE, 45 MLX5_FLOW_DESTINATION_TYPE_VPORT, 46 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE, 47 MLX5_FLOW_DESTINATION_TYPE_TIR, 48 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER, 49 MLX5_FLOW_DESTINATION_TYPE_UPLINK, 50 MLX5_FLOW_DESTINATION_TYPE_PORT, 51 MLX5_FLOW_DESTINATION_TYPE_COUNTER, 52 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM, 53 }; 54 55 enum { 56 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, 57 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, 58 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, 59 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19, 60 }; 61 62 enum { 63 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0), 64 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1), 65 MLX5_FLOW_TABLE_TERMINATION = BIT(2), 66 MLX5_FLOW_TABLE_UNMANAGED = BIT(3), 67 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4), 68 }; 69 70 #define LEFTOVERS_RULE_NUM 2 71 static inline void build_leftovers_ft_param(int *priority, 72 int *n_ent, 73 int *n_grp) 74 { 75 *priority = 0; /* Priority of leftovers_prio-0 */ 76 *n_ent = LEFTOVERS_RULE_NUM; 77 *n_grp = LEFTOVERS_RULE_NUM; 78 } 79 80 enum mlx5_flow_namespace_type { 81 MLX5_FLOW_NAMESPACE_BYPASS, 82 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC, 83 MLX5_FLOW_NAMESPACE_LAG, 84 MLX5_FLOW_NAMESPACE_OFFLOADS, 85 MLX5_FLOW_NAMESPACE_ETHTOOL, 86 MLX5_FLOW_NAMESPACE_KERNEL, 87 MLX5_FLOW_NAMESPACE_LEFTOVERS, 88 MLX5_FLOW_NAMESPACE_ANCHOR, 89 MLX5_FLOW_NAMESPACE_FDB_BYPASS, 90 MLX5_FLOW_NAMESPACE_FDB, 91 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 92 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 93 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 94 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 95 MLX5_FLOW_NAMESPACE_EGRESS, 96 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC, 97 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC, 98 MLX5_FLOW_NAMESPACE_RDMA_RX, 99 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, 100 MLX5_FLOW_NAMESPACE_RDMA_TX, 101 MLX5_FLOW_NAMESPACE_PORT_SEL, 102 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, 103 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, 104 }; 105 106 enum { 107 FDB_BYPASS_PATH, 108 FDB_TC_OFFLOAD, 109 FDB_FT_OFFLOAD, 110 FDB_TC_MISS, 111 FDB_BR_OFFLOAD, 112 FDB_SLOW_PATH, 113 FDB_PER_VPORT, 114 }; 115 116 struct mlx5_pkt_reformat; 117 struct mlx5_modify_hdr; 118 struct mlx5_flow_definer; 119 struct mlx5_flow_table; 120 struct mlx5_flow_group; 121 struct mlx5_flow_namespace; 122 struct mlx5_flow_handle; 123 124 enum { 125 FLOW_CONTEXT_HAS_TAG = BIT(0), 126 }; 127 128 struct mlx5_flow_context { 129 u32 flags; 130 u32 flow_tag; 131 u32 flow_source; 132 }; 133 134 struct mlx5_flow_spec { 135 u8 match_criteria_enable; 136 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 137 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 138 struct mlx5_flow_context flow_context; 139 }; 140 141 enum { 142 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), 143 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), 144 }; 145 146 struct mlx5_flow_destination { 147 enum mlx5_flow_destination_type type; 148 union { 149 u32 tir_num; 150 u32 ft_num; 151 struct mlx5_flow_table *ft; 152 u32 counter_id; 153 struct { 154 u16 num; 155 u16 vhca_id; 156 struct mlx5_pkt_reformat *pkt_reformat; 157 u8 flags; 158 } vport; 159 u32 sampler_id; 160 }; 161 }; 162 163 struct mod_hdr_tbl { 164 struct mutex lock; /* protects hlist */ 165 DECLARE_HASHTABLE(hlist, 8); 166 }; 167 168 struct mlx5_flow_namespace * 169 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); 170 struct mlx5_flow_namespace * 171 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 172 enum mlx5_flow_namespace_type type); 173 struct mlx5_flow_namespace * 174 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 175 enum mlx5_flow_namespace_type type, 176 int vport); 177 178 struct mlx5_flow_table_attr { 179 int prio; 180 int max_fte; 181 u32 level; 182 u32 flags; 183 u16 uid; 184 struct mlx5_flow_table *next_ft; 185 186 struct { 187 int max_num_groups; 188 int num_reserved_entries; 189 } autogroup; 190 }; 191 192 struct mlx5_flow_table * 193 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 194 struct mlx5_flow_table_attr *ft_attr); 195 196 struct mlx5_flow_table * 197 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 198 struct mlx5_flow_table_attr *ft_attr); 199 200 struct mlx5_flow_table * 201 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 202 struct mlx5_flow_table_attr *ft_attr, u16 vport); 203 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 204 struct mlx5_flow_namespace *ns, 205 int prio, u32 level); 206 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 207 208 /* inbox should be set with the following values: 209 * start_flow_index 210 * end_flow_index 211 * match_criteria_enable 212 * match_criteria 213 */ 214 struct mlx5_flow_group * 215 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 216 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 217 218 struct mlx5_exe_aso { 219 u32 object_id; 220 u8 type; 221 u8 return_reg_id; 222 union { 223 u32 ctrl_data; 224 struct { 225 u8 meter_idx; 226 u8 init_color; 227 } flow_meter; 228 }; 229 }; 230 231 struct mlx5_fs_vlan { 232 u16 ethtype; 233 u16 vid; 234 u8 prio; 235 }; 236 237 #define MLX5_FS_VLAN_DEPTH 2 238 239 enum { 240 FLOW_ACT_NO_APPEND = BIT(0), 241 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), 242 }; 243 244 struct mlx5_flow_act { 245 u32 action; 246 struct mlx5_modify_hdr *modify_hdr; 247 struct mlx5_pkt_reformat *pkt_reformat; 248 struct mlx5_flow_act_crypto_params { 249 u8 type; 250 u32 obj_id; 251 } crypto; 252 u32 flags; 253 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 254 struct ib_counters *counters; 255 struct mlx5_flow_group *fg; 256 struct mlx5_exe_aso exe_aso; 257 }; 258 259 #define MLX5_DECLARE_FLOW_ACT(name) \ 260 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 261 .flags = 0, } 262 263 /* Single destination per rule. 264 * Group ID is implied by the match criteria. 265 */ 266 struct mlx5_flow_handle * 267 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 268 const struct mlx5_flow_spec *spec, 269 struct mlx5_flow_act *flow_act, 270 struct mlx5_flow_destination *dest, 271 int num_dest); 272 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 273 274 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 275 struct mlx5_flow_destination *new_dest, 276 struct mlx5_flow_destination *old_dest); 277 278 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 279 280 /* As mlx5_fc_create() but doesn't queue stats refresh thread. */ 281 struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging); 282 283 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 284 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); 285 void mlx5_fc_query_cached(struct mlx5_fc *counter, 286 u64 *bytes, u64 *packets, u64 *lastuse); 287 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 288 u64 *packets, u64 *bytes); 289 u32 mlx5_fc_id(struct mlx5_fc *counter); 290 291 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 292 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 293 294 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, 295 u8 ns_type, u8 num_actions, 296 void *modify_actions); 297 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, 298 struct mlx5_modify_hdr *modify_hdr); 299 struct mlx5_flow_definer * 300 mlx5_create_match_definer(struct mlx5_core_dev *dev, 301 enum mlx5_flow_namespace_type ns_type, u16 format_id, 302 u32 *match_mask); 303 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, 304 struct mlx5_flow_definer *definer); 305 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); 306 307 struct mlx5_pkt_reformat_params { 308 int type; 309 u8 param_0; 310 u8 param_1; 311 size_t size; 312 void *data; 313 }; 314 315 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, 316 struct mlx5_pkt_reformat_params *params, 317 enum mlx5_flow_namespace_type ns_type); 318 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, 319 struct mlx5_pkt_reformat *reformat); 320 321 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft); 322 #endif 323