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_FS_MAX_POOL_SIZE BIT(30) 44 45 enum mlx5_flow_destination_type { 46 MLX5_FLOW_DESTINATION_TYPE_NONE, 47 MLX5_FLOW_DESTINATION_TYPE_VPORT, 48 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE, 49 MLX5_FLOW_DESTINATION_TYPE_TIR, 50 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER, 51 MLX5_FLOW_DESTINATION_TYPE_UPLINK, 52 MLX5_FLOW_DESTINATION_TYPE_PORT, 53 MLX5_FLOW_DESTINATION_TYPE_COUNTER, 54 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM, 55 MLX5_FLOW_DESTINATION_TYPE_RANGE, 56 MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE, 57 }; 58 59 enum { 60 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, 61 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, 62 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, 63 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19, 64 }; 65 66 enum { 67 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0), 68 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1), 69 MLX5_FLOW_TABLE_TERMINATION = BIT(2), 70 MLX5_FLOW_TABLE_UNMANAGED = BIT(3), 71 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4), 72 MLX5_FLOW_TABLE_UPLINK_VPORT = BIT(5), 73 }; 74 75 #define LEFTOVERS_RULE_NUM 2 76 static inline void build_leftovers_ft_param(int *priority, 77 int *n_ent, 78 int *n_grp) 79 { 80 *priority = 0; /* Priority of leftovers_prio-0 */ 81 *n_ent = LEFTOVERS_RULE_NUM; 82 *n_grp = LEFTOVERS_RULE_NUM; 83 } 84 85 enum mlx5_flow_namespace_type { 86 MLX5_FLOW_NAMESPACE_BYPASS, 87 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC, 88 MLX5_FLOW_NAMESPACE_LAG, 89 MLX5_FLOW_NAMESPACE_OFFLOADS, 90 MLX5_FLOW_NAMESPACE_ETHTOOL, 91 MLX5_FLOW_NAMESPACE_KERNEL, 92 MLX5_FLOW_NAMESPACE_LEFTOVERS, 93 MLX5_FLOW_NAMESPACE_ANCHOR, 94 MLX5_FLOW_NAMESPACE_FDB_BYPASS, 95 MLX5_FLOW_NAMESPACE_FDB, 96 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 97 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 98 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 99 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 100 MLX5_FLOW_NAMESPACE_EGRESS, 101 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC, 102 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC, 103 MLX5_FLOW_NAMESPACE_RDMA_RX, 104 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, 105 MLX5_FLOW_NAMESPACE_RDMA_TX, 106 MLX5_FLOW_NAMESPACE_PORT_SEL, 107 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, 108 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, 109 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC, 110 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC, 111 MLX5_FLOW_NAMESPACE_RDMA_RX_MACSEC, 112 MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC, 113 }; 114 115 enum { 116 FDB_BYPASS_PATH, 117 FDB_CRYPTO_INGRESS, 118 FDB_TC_OFFLOAD, 119 FDB_FT_OFFLOAD, 120 FDB_TC_MISS, 121 FDB_BR_OFFLOAD, 122 FDB_SLOW_PATH, 123 FDB_CRYPTO_EGRESS, 124 FDB_PER_VPORT, 125 }; 126 127 struct mlx5_pkt_reformat; 128 struct mlx5_modify_hdr; 129 struct mlx5_flow_definer; 130 struct mlx5_flow_table; 131 struct mlx5_flow_group; 132 struct mlx5_flow_namespace; 133 struct mlx5_flow_handle; 134 135 enum { 136 FLOW_CONTEXT_HAS_TAG = BIT(0), 137 FLOW_CONTEXT_UPLINK_HAIRPIN_EN = BIT(1), 138 }; 139 140 struct mlx5_flow_context { 141 u32 flags; 142 u32 flow_tag; 143 u32 flow_source; 144 }; 145 146 struct mlx5_flow_spec { 147 u8 match_criteria_enable; 148 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 149 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 150 struct mlx5_flow_context flow_context; 151 }; 152 153 enum { 154 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), 155 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), 156 }; 157 158 enum mlx5_flow_dest_range_field { 159 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0, 160 }; 161 162 struct mlx5_flow_destination { 163 enum mlx5_flow_destination_type type; 164 union { 165 u32 tir_num; 166 u32 ft_num; 167 struct mlx5_flow_table *ft; 168 struct mlx5_fc *counter; 169 struct { 170 u16 num; 171 u16 vhca_id; 172 struct mlx5_pkt_reformat *pkt_reformat; 173 u8 flags; 174 } vport; 175 struct { 176 struct mlx5_flow_table *hit_ft; 177 struct mlx5_flow_table *miss_ft; 178 enum mlx5_flow_dest_range_field field; 179 u32 min; 180 u32 max; 181 } range; 182 u32 sampler_id; 183 }; 184 }; 185 186 struct mod_hdr_tbl { 187 struct mutex lock; /* protects hlist */ 188 DECLARE_HASHTABLE(hlist, 8); 189 }; 190 191 struct mlx5_flow_namespace * 192 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); 193 struct mlx5_flow_namespace * 194 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 195 enum mlx5_flow_namespace_type type); 196 struct mlx5_flow_namespace * 197 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 198 enum mlx5_flow_namespace_type type, 199 int vport); 200 201 struct mlx5_flow_table_attr { 202 int prio; 203 int max_fte; 204 u32 level; 205 u32 flags; 206 u16 uid; 207 struct mlx5_flow_table *next_ft; 208 209 struct { 210 int max_num_groups; 211 int num_reserved_entries; 212 } autogroup; 213 }; 214 215 struct mlx5_flow_table * 216 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 217 struct mlx5_flow_table_attr *ft_attr); 218 219 struct mlx5_flow_table * 220 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 221 struct mlx5_flow_table_attr *ft_attr); 222 223 struct mlx5_flow_table * 224 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 225 struct mlx5_flow_table_attr *ft_attr, u16 vport); 226 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 227 struct mlx5_flow_namespace *ns, 228 int prio, u32 level); 229 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 230 231 /* inbox should be set with the following values: 232 * start_flow_index 233 * end_flow_index 234 * match_criteria_enable 235 * match_criteria 236 */ 237 struct mlx5_flow_group * 238 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 239 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 240 241 struct mlx5_exe_aso { 242 u32 object_id; 243 u8 type; 244 u8 return_reg_id; 245 union { 246 u32 ctrl_data; 247 struct { 248 u8 meter_idx; 249 u8 init_color; 250 } flow_meter; 251 }; 252 }; 253 254 struct mlx5_fs_vlan { 255 u16 ethtype; 256 u16 vid; 257 u8 prio; 258 }; 259 260 #define MLX5_FS_VLAN_DEPTH 2 261 262 enum { 263 FLOW_ACT_NO_APPEND = BIT(0), 264 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), 265 }; 266 267 struct mlx5_flow_act { 268 u32 action; 269 struct mlx5_modify_hdr *modify_hdr; 270 struct mlx5_pkt_reformat *pkt_reformat; 271 struct mlx5_flow_act_crypto_params { 272 u8 type; 273 u32 obj_id; 274 } crypto; 275 u32 flags; 276 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 277 struct ib_counters *counters; 278 struct mlx5_flow_group *fg; 279 struct mlx5_exe_aso exe_aso; 280 }; 281 282 #define MLX5_DECLARE_FLOW_ACT(name) \ 283 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 284 .flags = 0, } 285 286 /* Single destination per rule. 287 * Group ID is implied by the match criteria. 288 */ 289 struct mlx5_flow_handle * 290 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 291 const struct mlx5_flow_spec *spec, 292 struct mlx5_flow_act *flow_act, 293 struct mlx5_flow_destination *dest, 294 int num_dest); 295 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 296 297 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 298 struct mlx5_flow_destination *new_dest, 299 struct mlx5_flow_destination *old_dest); 300 301 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 302 303 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 304 struct mlx5_fc *mlx5_fc_local_create(u32 counter_id, u32 offset, u32 bulk_size); 305 void mlx5_fc_local_destroy(struct mlx5_fc *counter); 306 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); 307 void mlx5_fc_query_cached(struct mlx5_fc *counter, 308 u64 *bytes, u64 *packets, u64 *lastuse); 309 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter, 310 u64 *bytes, u64 *packets, u64 *lastuse); 311 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 312 u64 *packets, u64 *bytes); 313 u32 mlx5_fc_id(struct mlx5_fc *counter); 314 315 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 316 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 317 318 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, 319 u8 ns_type, u8 num_actions, 320 void *modify_actions); 321 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, 322 struct mlx5_modify_hdr *modify_hdr); 323 struct mlx5_flow_definer * 324 mlx5_create_match_definer(struct mlx5_core_dev *dev, 325 enum mlx5_flow_namespace_type ns_type, u16 format_id, 326 u32 *match_mask); 327 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, 328 struct mlx5_flow_definer *definer); 329 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); 330 331 struct mlx5_pkt_reformat_params { 332 int type; 333 u8 param_0; 334 u8 param_1; 335 size_t size; 336 void *data; 337 }; 338 339 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, 340 struct mlx5_pkt_reformat_params *params, 341 enum mlx5_flow_namespace_type ns_type); 342 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, 343 struct mlx5_pkt_reformat *reformat); 344 345 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft); 346 347 struct mlx5_flow_root_namespace * 348 mlx5_get_root_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type); 349 #endif 350