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 #define MLX5_RDMA_TRANSPORT_BYPASS_PRIO 0 44 #define MLX5_FS_MAX_POOL_SIZE BIT(30) 45 46 enum mlx5_flow_destination_type { 47 MLX5_FLOW_DESTINATION_TYPE_NONE, 48 MLX5_FLOW_DESTINATION_TYPE_VPORT, 49 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE, 50 MLX5_FLOW_DESTINATION_TYPE_TIR, 51 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER, 52 MLX5_FLOW_DESTINATION_TYPE_UPLINK, 53 MLX5_FLOW_DESTINATION_TYPE_PORT, 54 MLX5_FLOW_DESTINATION_TYPE_COUNTER, 55 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM, 56 MLX5_FLOW_DESTINATION_TYPE_RANGE, 57 MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE, 58 }; 59 60 enum { 61 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, 62 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, 63 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, 64 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19, 65 }; 66 67 enum { 68 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0), 69 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1), 70 MLX5_FLOW_TABLE_TERMINATION = BIT(2), 71 MLX5_FLOW_TABLE_UNMANAGED = BIT(3), 72 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4), 73 MLX5_FLOW_TABLE_UPLINK_VPORT = BIT(5), 74 }; 75 76 #define LEFTOVERS_RULE_NUM 2 77 static inline void build_leftovers_ft_param(int *priority, 78 int *n_ent, 79 int *n_grp) 80 { 81 *priority = 0; /* Priority of leftovers_prio-0 */ 82 *n_ent = LEFTOVERS_RULE_NUM; 83 *n_grp = LEFTOVERS_RULE_NUM; 84 } 85 86 enum mlx5_flow_namespace_type { 87 MLX5_FLOW_NAMESPACE_BYPASS, 88 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC, 89 MLX5_FLOW_NAMESPACE_LAG, 90 MLX5_FLOW_NAMESPACE_OFFLOADS, 91 MLX5_FLOW_NAMESPACE_ETHTOOL, 92 MLX5_FLOW_NAMESPACE_KERNEL, 93 MLX5_FLOW_NAMESPACE_LEFTOVERS, 94 MLX5_FLOW_NAMESPACE_ANCHOR, 95 MLX5_FLOW_NAMESPACE_FDB_BYPASS, 96 MLX5_FLOW_NAMESPACE_FDB, 97 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 98 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 99 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 100 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 101 MLX5_FLOW_NAMESPACE_EGRESS, 102 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC, 103 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC, 104 MLX5_FLOW_NAMESPACE_RDMA_RX, 105 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, 106 MLX5_FLOW_NAMESPACE_RDMA_TX, 107 MLX5_FLOW_NAMESPACE_PORT_SEL, 108 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, 109 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, 110 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC, 111 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC, 112 MLX5_FLOW_NAMESPACE_RDMA_RX_MACSEC, 113 MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC, 114 MLX5_FLOW_NAMESPACE_RDMA_TRANSPORT_RX, 115 MLX5_FLOW_NAMESPACE_RDMA_TRANSPORT_TX, 116 }; 117 118 enum { 119 FDB_BYPASS_PATH, 120 FDB_CRYPTO_INGRESS, 121 FDB_TC_OFFLOAD, 122 FDB_FT_OFFLOAD, 123 FDB_TC_MISS, 124 FDB_BR_OFFLOAD, 125 FDB_SLOW_PATH, 126 FDB_CRYPTO_EGRESS, 127 FDB_PER_VPORT, 128 }; 129 130 struct mlx5_pkt_reformat; 131 struct mlx5_modify_hdr; 132 struct mlx5_flow_definer; 133 struct mlx5_flow_table; 134 struct mlx5_flow_group; 135 struct mlx5_flow_namespace; 136 struct mlx5_flow_handle; 137 138 enum { 139 FLOW_CONTEXT_HAS_TAG = BIT(0), 140 FLOW_CONTEXT_UPLINK_HAIRPIN_EN = BIT(1), 141 }; 142 143 struct mlx5_flow_context { 144 u32 flags; 145 u32 flow_tag; 146 u32 flow_source; 147 }; 148 149 struct mlx5_flow_spec { 150 u8 match_criteria_enable; 151 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 152 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 153 struct mlx5_flow_context flow_context; 154 }; 155 156 enum { 157 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), 158 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), 159 }; 160 161 enum mlx5_flow_dest_range_field { 162 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0, 163 }; 164 165 struct mlx5_flow_destination { 166 enum mlx5_flow_destination_type type; 167 union { 168 u32 tir_num; 169 u32 ft_num; 170 struct mlx5_flow_table *ft; 171 struct mlx5_fc *counter; 172 struct { 173 u16 num; 174 u16 vhca_id; 175 struct mlx5_pkt_reformat *pkt_reformat; 176 u8 flags; 177 } vport; 178 struct { 179 struct mlx5_flow_table *hit_ft; 180 struct mlx5_flow_table *miss_ft; 181 enum mlx5_flow_dest_range_field field; 182 u32 min; 183 u32 max; 184 } range; 185 u32 sampler_id; 186 }; 187 }; 188 189 struct mod_hdr_tbl { 190 struct mutex lock; /* protects hlist */ 191 DECLARE_HASHTABLE(hlist, 8); 192 }; 193 194 struct mlx5_flow_namespace * 195 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); 196 struct mlx5_flow_namespace * 197 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 198 enum mlx5_flow_namespace_type type); 199 struct mlx5_flow_namespace * 200 mlx5_get_flow_vport_namespace(struct mlx5_core_dev *dev, 201 enum mlx5_flow_namespace_type type, 202 int vport_idx); 203 204 struct mlx5_flow_table_attr { 205 int prio; 206 int max_fte; 207 u32 level; 208 u32 flags; 209 u16 uid; 210 u16 vport; 211 struct mlx5_flow_table *next_ft; 212 213 struct { 214 int max_num_groups; 215 int num_reserved_entries; 216 } autogroup; 217 }; 218 219 struct mlx5_flow_table * 220 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 221 struct mlx5_flow_table_attr *ft_attr); 222 223 struct mlx5_flow_table * 224 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 225 struct mlx5_flow_table_attr *ft_attr); 226 227 struct mlx5_flow_table * 228 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 229 struct mlx5_flow_table_attr *ft_attr, u16 vport); 230 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 231 struct mlx5_flow_namespace *ns, 232 int prio, u32 level); 233 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 234 235 /* inbox should be set with the following values: 236 * start_flow_index 237 * end_flow_index 238 * match_criteria_enable 239 * match_criteria 240 */ 241 struct mlx5_flow_group * 242 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 243 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 244 245 struct mlx5_exe_aso { 246 u32 object_id; 247 int base_id; 248 u8 type; 249 u8 return_reg_id; 250 union { 251 u32 ctrl_data; 252 struct { 253 u8 meter_idx; 254 u8 init_color; 255 } flow_meter; 256 }; 257 }; 258 259 struct mlx5_fs_vlan { 260 u16 ethtype; 261 u16 vid; 262 u8 prio; 263 }; 264 265 #define MLX5_FS_VLAN_DEPTH 2 266 267 enum { 268 FLOW_ACT_NO_APPEND = BIT(0), 269 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), 270 }; 271 272 struct mlx5_flow_act { 273 u32 action; 274 struct mlx5_modify_hdr *modify_hdr; 275 struct mlx5_pkt_reformat *pkt_reformat; 276 struct mlx5_flow_act_crypto_params { 277 u8 type; 278 u32 obj_id; 279 } crypto; 280 u32 flags; 281 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 282 struct ib_counters *counters; 283 struct mlx5_flow_group *fg; 284 struct mlx5_exe_aso exe_aso; 285 }; 286 287 #define MLX5_DECLARE_FLOW_ACT(name) \ 288 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 289 .flags = 0, } 290 291 /* Single destination per rule. 292 * Group ID is implied by the match criteria. 293 */ 294 struct mlx5_flow_handle * 295 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 296 const struct mlx5_flow_spec *spec, 297 struct mlx5_flow_act *flow_act, 298 struct mlx5_flow_destination *dest, 299 int num_dest); 300 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 301 302 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 303 struct mlx5_flow_destination *new_dest, 304 struct mlx5_flow_destination *old_dest); 305 306 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 307 308 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 309 struct mlx5_fc *mlx5_fc_local_create(u32 counter_id, u32 offset, u32 bulk_size); 310 void mlx5_fc_local_destroy(struct mlx5_fc *counter); 311 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); 312 void mlx5_fc_query_cached(struct mlx5_fc *counter, 313 u64 *bytes, u64 *packets, u64 *lastuse); 314 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter, 315 u64 *bytes, u64 *packets, u64 *lastuse); 316 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 317 u64 *packets, u64 *bytes); 318 u32 mlx5_fc_id(struct mlx5_fc *counter); 319 320 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 321 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 322 323 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, 324 u8 ns_type, u8 num_actions, 325 void *modify_actions); 326 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, 327 struct mlx5_modify_hdr *modify_hdr); 328 struct mlx5_flow_definer * 329 mlx5_create_match_definer(struct mlx5_core_dev *dev, 330 enum mlx5_flow_namespace_type ns_type, u16 format_id, 331 u32 *match_mask); 332 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, 333 struct mlx5_flow_definer *definer); 334 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); 335 336 struct mlx5_pkt_reformat_params { 337 int type; 338 u8 param_0; 339 u8 param_1; 340 size_t size; 341 void *data; 342 }; 343 344 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, 345 struct mlx5_pkt_reformat_params *params, 346 enum mlx5_flow_namespace_type ns_type); 347 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, 348 struct mlx5_pkt_reformat *reformat); 349 350 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft); 351 352 struct mlx5_flow_root_namespace * 353 mlx5_get_root_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type); 354 #endif 355