examples/ip_pipeline/pipeline/pipeline_flow_classification_be.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_malloc.h>
   9 #include <rte_table_hash.h>
  10 #include <rte_byteorder.h>
  11 #include <pipeline.h>
  12
  13 #include "pipeline_flow_classification_be.h"
  14 #include "pipeline_actions_common.h"
  15 #include "parser.h"
  16 #include "hash_func.h"
  17
  18 struct pipeline_flow_classification {
  19         struct pipeline p;
  20         pipeline_msg_req_handler custom_handlers[PIPELINE_FC_MSG_REQS];
  21
  22         uint32_t n_flows;
  23         uint32_t key_size;
  24         uint32_t flow_id;
  25
  26         uint32_t key_offset;
  27         uint32_t hash_offset;
  28         uint8_t key_mask[PIPELINE_FC_FLOW_KEY_MAX_SIZE];
  29         uint32_t key_mask_present;
  30         uint32_t flow_id_offset;
  31
  32 } __rte_cache_aligned;
  33
  34 static void *
  35 pipeline_fc_msg_req_custom_handler(struct pipeline *p, void *msg);
  36
  37 static pipeline_msg_req_handler handlers[] = {
  38         [PIPELINE_MSG_REQ_PING] =
  39                 pipeline_msg_req_ping_handler,
  40         [PIPELINE_MSG_REQ_STATS_PORT_IN] =
  41                 pipeline_msg_req_stats_port_in_handler,
  42         [PIPELINE_MSG_REQ_STATS_PORT_OUT] =
  43                 pipeline_msg_req_stats_port_out_handler,
  44         [PIPELINE_MSG_REQ_STATS_TABLE] =
  45                 pipeline_msg_req_stats_table_handler,
  46         [PIPELINE_MSG_REQ_PORT_IN_ENABLE] =
  47                 pipeline_msg_req_port_in_enable_handler,
  48         [PIPELINE_MSG_REQ_PORT_IN_DISABLE] =
  49                 pipeline_msg_req_port_in_disable_handler,
  50         [PIPELINE_MSG_REQ_CUSTOM] =
  51                 pipeline_fc_msg_req_custom_handler,
  52 };
  53
  54 static void *
  55 pipeline_fc_msg_req_add_handler(struct pipeline *p, void *msg);
  56
  57 static void *
  58 pipeline_fc_msg_req_add_bulk_handler(struct pipeline *p, void *msg);
  59
  60 static void *
  61 pipeline_fc_msg_req_del_handler(struct pipeline *p, void *msg);
  62
  63 static void *
  64 pipeline_fc_msg_req_add_default_handler(struct pipeline *p, void *msg);
  65
  66 static void *
  67 pipeline_fc_msg_req_del_default_handler(struct pipeline *p, void *msg);
  68
  69 static pipeline_msg_req_handler custom_handlers[] = {
  70         [PIPELINE_FC_MSG_REQ_FLOW_ADD] =
  71                 pipeline_fc_msg_req_add_handler,
  72         [PIPELINE_FC_MSG_REQ_FLOW_ADD_BULK] =
  73                 pipeline_fc_msg_req_add_bulk_handler,
  74         [PIPELINE_FC_MSG_REQ_FLOW_DEL] =
  75                 pipeline_fc_msg_req_del_handler,
  76         [PIPELINE_FC_MSG_REQ_FLOW_ADD_DEFAULT] =
  77                 pipeline_fc_msg_req_add_default_handler,
  78         [PIPELINE_FC_MSG_REQ_FLOW_DEL_DEFAULT] =
  79                 pipeline_fc_msg_req_del_default_handler,
  80 };
  81
  82 /*
  83  * Flow table
  84  */
  85 struct flow_table_entry {
  86         struct rte_pipeline_table_entry head;
  87
  88         uint32_t flow_id;
  89         uint32_t pad;
  90 };
  91
  92 rte_table_hash_op_hash hash_func[] = {
  93         hash_default_key8,
  94         hash_default_key16,
  95         hash_default_key24,
  96         hash_default_key32,
  97         hash_default_key40,
  98         hash_default_key48,
  99         hash_default_key56,
 100         hash_default_key64
 101 };
 102
 103 /*
 104  * Flow table AH - Write flow_id to packet meta-data
 105  */
 106 static inline void
 107 pkt_work_flow_id(
 108         struct rte_mbuf *pkt,
 109         struct rte_pipeline_table_entry *table_entry,
 110         void *arg)
 111 {
 112         struct pipeline_flow_classification *p_fc = arg;
 113         uint32_t *flow_id_ptr =
 114                 RTE_MBUF_METADATA_UINT32_PTR(pkt, p_fc->flow_id_offset);
 115         struct flow_table_entry *entry =
 116                 (struct flow_table_entry *) table_entry;
 117
 118         /* Read */
 119         uint32_t flow_id = entry->flow_id;
 120
 121         /* Compute */
 122
 123         /* Write */
 124         *flow_id_ptr = flow_id;
 125 }
 126
 127 static inline void
 128 pkt4_work_flow_id(
 129         struct rte_mbuf **pkts,
 130         struct rte_pipeline_table_entry **table_entries,
 131         void *arg)
 132 {
 133         struct pipeline_flow_classification *p_fc = arg;
 134
 135         uint32_t *flow_id_ptr0 =
 136                 RTE_MBUF_METADATA_UINT32_PTR(pkts[0], p_fc->flow_id_offset);
 137         uint32_t *flow_id_ptr1 =
 138                 RTE_MBUF_METADATA_UINT32_PTR(pkts[1], p_fc->flow_id_offset);
 139         uint32_t *flow_id_ptr2 =
 140                 RTE_MBUF_METADATA_UINT32_PTR(pkts[2], p_fc->flow_id_offset);
 141         uint32_t *flow_id_ptr3 =
 142                 RTE_MBUF_METADATA_UINT32_PTR(pkts[3], p_fc->flow_id_offset);
 143
 144         struct flow_table_entry *entry0 =
 145                 (struct flow_table_entry *) table_entries[0];
 146         struct flow_table_entry *entry1 =
 147                 (struct flow_table_entry *) table_entries[1];
 148         struct flow_table_entry *entry2 =
 149                 (struct flow_table_entry *) table_entries[2];
 150         struct flow_table_entry *entry3 =
 151                 (struct flow_table_entry *) table_entries[3];
 152
 153         /* Read */
 154         uint32_t flow_id0 = entry0->flow_id;
 155         uint32_t flow_id1 = entry1->flow_id;
 156         uint32_t flow_id2 = entry2->flow_id;
 157         uint32_t flow_id3 = entry3->flow_id;
 158
 159         /* Compute */
 160
 161         /* Write */
 162         *flow_id_ptr0 = flow_id0;
 163         *flow_id_ptr1 = flow_id1;
 164         *flow_id_ptr2 = flow_id2;
 165         *flow_id_ptr3 = flow_id3;
 166 }
 167
 168 PIPELINE_TABLE_AH_HIT(fc_table_ah_hit,
 169                 pkt_work_flow_id, pkt4_work_flow_id);
 170
 171 static rte_pipeline_table_action_handler_hit
 172 get_fc_table_ah_hit(struct pipeline_flow_classification *p)
 173 {
 174         if (p->flow_id)
 175                 return fc_table_ah_hit;
 176
 177         return NULL;
 178 }
 179
 180 /*
 181  * Argument parsing
 182  */
 183 static int
 184 pipeline_fc_parse_args(struct pipeline_flow_classification *p,
 185         struct pipeline_params *params)
 186 {
 187         uint32_t n_flows_present = 0;
 188         uint32_t key_offset_present = 0;
 189         uint32_t key_size_present = 0;
 190         uint32_t hash_offset_present = 0;
 191         uint32_t key_mask_present = 0;
 192         uint32_t flow_id_offset_present = 0;
 193
 194         uint32_t i;
 195         char key_mask_str[PIPELINE_FC_FLOW_KEY_MAX_SIZE * 2 + 1];
 196
 197         p->hash_offset = 0;
 198
 199         /* default values */
 200         p->flow_id = 0;
 201
 202         for (i = 0; i < params->n_args; i++) {
 203                 char *arg_name = params->args_name[i];
 204                 char *arg_value = params->args_value[i];
 205
 206                 /* n_flows */
 207                 if (strcmp(arg_name, "n_flows") == 0) {
 208                         int status;
 209
 210                         PIPELINE_PARSE_ERR_DUPLICATE(
 211                                 n_flows_present == 0, params->name,
 212                                 arg_name);
 213                         n_flows_present = 1;
 214
 215                         status = parser_read_uint32(&p->n_flows,
 216                                 arg_value);
 217                         PIPELINE_PARSE_ERR_INV_VAL(((status != -EINVAL) &&
 218                                 (p->n_flows != 0)), params->name,
 219                                 arg_name, arg_value);
 220                         PIPELINE_PARSE_ERR_OUT_RNG((status != -ERANGE),
 221                                 params->name, arg_name, arg_value);
 222
 223                         continue;
 224                 }
 225
 226                 /* key_offset */
 227                 if (strcmp(arg_name, "key_offset") == 0) {
 228                         int status;
 229
 230                         PIPELINE_PARSE_ERR_DUPLICATE(
 231                                 key_offset_present == 0, params->name,
 232                                 arg_name);
 233                         key_offset_present = 1;
 234
 235                         status = parser_read_uint32(&p->key_offset,
 236                                 arg_value);
 237                         PIPELINE_PARSE_ERR_INV_VAL((status != -EINVAL),
 238                                 params->name, arg_name, arg_value);
 239                         PIPELINE_PARSE_ERR_OUT_RNG((status != -ERANGE),
 240                                 params->name, arg_name, arg_value);
 241
 242                         continue;
 243                 }
 244
 245                 /* key_size */
 246                 if (strcmp(arg_name, "key_size") == 0) {
 247                         int status;
 248
 249                         PIPELINE_PARSE_ERR_DUPLICATE(
 250                                 key_size_present == 0, params->name,
 251                                 arg_name);
 252                         key_size_present = 1;
 253
 254                         status = parser_read_uint32(&p->key_size,
 255                                 arg_value);
 256                         PIPELINE_PARSE_ERR_INV_VAL(((status != -EINVAL) &&
 257                                 (p->key_size != 0) &&
 258                                 (p->key_size % 8 == 0)),
 259                                 params->name, arg_name, arg_value);
 260                         PIPELINE_PARSE_ERR_OUT_RNG(((status != -ERANGE) &&
 261                                 (p->key_size <=
 262                                 PIPELINE_FC_FLOW_KEY_MAX_SIZE)),
 263                                 params->name, arg_name, arg_value);
 264
 265                         continue;
 266                 }
 267
 268                 /* key_mask */
 269                 if (strcmp(arg_name, "key_mask") == 0) {
 270                         int mask_str_len = strlen(arg_value);
 271
 272                         PIPELINE_PARSE_ERR_DUPLICATE(
 273                                 key_mask_present == 0,
 274                                 params->name, arg_name);
 275                         key_mask_present = 1;
 276
 277                         PIPELINE_ARG_CHECK((mask_str_len <=
 278                                 (PIPELINE_FC_FLOW_KEY_MAX_SIZE * 2)),
 279                                 "Parse error in section \"%s\": entry "
 280                                 "\"%s\" is too long", params->name,
 281                                 arg_name);
 282
 283                         snprintf(key_mask_str, mask_str_len + 1, "%s",
 284                                 arg_value);
 285
 286                         continue;
 287                 }
 288
 289                 /* hash_offset */
 290                 if (strcmp(arg_name, "hash_offset") == 0) {
 291                         int status;
 292
 293                         PIPELINE_PARSE_ERR_DUPLICATE(
 294                                 hash_offset_present == 0, params->name,
 295                                 arg_name);
 296                         hash_offset_present = 1;
 297
 298                         status = parser_read_uint32(&p->hash_offset,
 299                                 arg_value);
 300                         PIPELINE_PARSE_ERR_INV_VAL((status != -EINVAL),
 301                                 params->name, arg_name, arg_value);
 302                         PIPELINE_PARSE_ERR_OUT_RNG((status != -ERANGE),
 303                                 params->name, arg_name, arg_value);
 304
 305                         continue;
 306                 }
 307
 308                 /* flow_id_offset */
 309                 if (strcmp(arg_name, "flowid_offset") == 0) {
 310                         int status;
 311
 312                         PIPELINE_PARSE_ERR_DUPLICATE(
 313                                 flow_id_offset_present == 0, params->name,
 314                                 arg_name);
 315                         flow_id_offset_present = 1;
 316
 317                         status = parser_read_uint32(&p->flow_id_offset,
 318                                 arg_value);
 319                         PIPELINE_PARSE_ERR_INV_VAL((status != -EINVAL),
 320                                 params->name, arg_name, arg_value);
 321                         PIPELINE_PARSE_ERR_OUT_RNG((status != -ERANGE),
 322                                 params->name, arg_name, arg_value);
 323
 324                         p->flow_id = 1;
 325
 326                         continue;
 327                 }
 328
 329                 /* Unknown argument */
 330                 PIPELINE_PARSE_ERR_INV_ENT(0, params->name, arg_name);
 331         }
 332
 333         /* Check that mandatory arguments are present */
 334         PIPELINE_PARSE_ERR_MANDATORY((n_flows_present), params->name,
 335                 "n_flows");
 336         PIPELINE_PARSE_ERR_MANDATORY((key_offset_present), params->name,
 337                 "key_offset");
 338         PIPELINE_PARSE_ERR_MANDATORY((key_size_present), params->name,
 339                 "key_size");
 340
 341         if (key_mask_present) {
 342                 uint32_t key_size = p->key_size;
 343                 int status;
 344
 345                 PIPELINE_ARG_CHECK(((key_size == 8) || (key_size == 16)),
 346                         "Parse error in section \"%s\": entry key_mask "
 347                         "only allowed for key_size of 8 or 16 bytes",
 348                         params->name);
 349
 350                 PIPELINE_ARG_CHECK((strlen(key_mask_str) ==
 351                         (key_size * 2)), "Parse error in section "
 352                         "\"%s\": key_mask should have exactly %u hex "
 353                         "digits", params->name, (key_size * 2));
 354
 355                 PIPELINE_ARG_CHECK((hash_offset_present == 0), "Parse "
 356                         "error in section \"%s\": entry hash_offset only "
 357                         "allowed when key_mask is not present",
 358                         params->name);
 359
 360                 status = parse_hex_string(key_mask_str, p->key_mask,
 361                         &p->key_size);
 362
 363                 PIPELINE_PARSE_ERR_INV_VAL(((status == 0) &&
 364                         (key_size == p->key_size)), params->name,
 365                         "key_mask", key_mask_str);
 366         }
 367
 368         p->key_mask_present = key_mask_present;
 369
 370         return 0;
 371 }
 372
 373 static void *pipeline_fc_init(struct pipeline_params *params,
 374         __rte_unused void *arg)
 375 {
 376         struct pipeline *p;
 377         struct pipeline_flow_classification *p_fc;
 378         uint32_t size, i;
 379
 380         /* Check input arguments */
 381         if (params == NULL)
 382                 return NULL;
 383
 384         /* Memory allocation */
 385         size = RTE_CACHE_LINE_ROUNDUP(
 386                 sizeof(struct pipeline_flow_classification));
 387         p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 388         if (p == NULL)
 389                 return NULL;
 390         p_fc = (struct pipeline_flow_classification *) p;
 391
 392         strcpy(p->name, params->name);
 393         p->log_level = params->log_level;
 394
 395         PLOG(p, HIGH, "Flow classification");
 396
 397         /* Parse arguments */
 398         if (pipeline_fc_parse_args(p_fc, params))
 399                 return NULL;
 400
 401         /* Pipeline */
 402         {
 403                 struct rte_pipeline_params pipeline_params = {
 404                         .name = params->name,
 405                         .socket_id = params->socket_id,
 406                         .offset_port_id = 0,
 407                 };
 408
 409                 p->p = rte_pipeline_create(&pipeline_params);
 410                 if (p->p == NULL) {
 411                         rte_free(p);
 412                         return NULL;
 413                 }
 414         }
 415
 416         /* Input ports */
 417         p->n_ports_in = params->n_ports_in;
 418         for (i = 0; i < p->n_ports_in; i++) {
 419                 struct rte_pipeline_port_in_params port_params = {
 420                         .ops = pipeline_port_in_params_get_ops(
 421                                 &params->port_in[i]),
 422                         .arg_create = pipeline_port_in_params_convert(
 423                                 &params->port_in[i]),
 424                         .f_action = NULL,
 425                         .arg_ah = NULL,
 426                         .burst_size = params->port_in[i].burst_size,
 427                 };
 428
 429                 int status = rte_pipeline_port_in_create(p->p,
 430                         &port_params,
 431                         &p->port_in_id[i]);
 432
 433                 if (status) {
 434                         rte_pipeline_free(p->p);
 435                         rte_free(p);
 436                         return NULL;
 437                 }
 438         }
 439
 440         /* Output ports */
 441         p->n_ports_out = params->n_ports_out;
 442         for (i = 0; i < p->n_ports_out; i++) {
 443                 struct rte_pipeline_port_out_params port_params = {
 444                         .ops = pipeline_port_out_params_get_ops(
 445                                 &params->port_out[i]),
 446                         .arg_create = pipeline_port_out_params_convert(
 447                                 &params->port_out[i]),
 448                         .f_action = NULL,
 449                         .arg_ah = NULL,
 450                 };
 451
 452                 int status = rte_pipeline_port_out_create(p->p,
 453                         &port_params,
 454                         &p->port_out_id[i]);
 455
 456                 if (status) {
 457                         rte_pipeline_free(p->p);
 458                         rte_free(p);
 459                         return NULL;
 460                 }
 461         }
 462
 463         /* Tables */
 464         p->n_tables = 1;
 465         {
 466                 struct rte_table_hash_params table_hash_params = {
 467                         .name = p->name,
 468                         .key_size = p_fc->key_size,
 469                         .key_offset = p_fc->key_offset,
 470                         .key_mask = (p_fc->key_mask_present) ?
 471                                 p_fc->key_mask : NULL,
 472                         .n_keys = p_fc->n_flows,
 473                         .n_buckets = rte_align32pow2(p_fc->n_flows / 4),
 474                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 475                         .seed = 0,
 476                 };
 477
 478                 struct rte_pipeline_table_params table_params = {
 479                         .ops = NULL, /* set below */
 480                         .arg_create = NULL, /* set below */
 481                         .f_action_hit = get_fc_table_ah_hit(p_fc),
 482                         .f_action_miss = NULL,
 483                         .arg_ah = p_fc,
 484                         .action_data_size = sizeof(struct flow_table_entry) -
 485                                 sizeof(struct rte_pipeline_table_entry),
 486                 };
 487
 488                 int status;
 489
 490                 switch (p_fc->key_size) {
 491                 case 8:
 492                         table_params.ops = &rte_table_hash_key8_ext_ops;
 493                         break;
 494
 495                 case 16:
 496                         table_params.ops = &rte_table_hash_key16_ext_ops;
 497                         break;
 498
 499                 default:
 500                         table_params.ops = &rte_table_hash_ext_ops;
 501                 }
 502
 503                 table_params.arg_create = &table_hash_params;
 504
 505                 status = rte_pipeline_table_create(p->p,
 506                         &table_params,
 507                         &p->table_id[0]);
 508
 509                 if (status) {
 510                         rte_pipeline_free(p->p);
 511                         rte_free(p);
 512                         return NULL;
 513                 }
 514         }
 515
 516         /* Connecting input ports to tables */
 517         for (i = 0; i < p->n_ports_in; i++) {
 518                 int status = rte_pipeline_port_in_connect_to_table(p->p,
 519                         p->port_in_id[i],
 520                         p->table_id[0]);
 521
 522                 if (status) {
 523                         rte_pipeline_free(p->p);
 524                         rte_free(p);
 525                         return NULL;
 526                 }
 527         }
 528
 529         /* Enable input ports */
 530         for (i = 0; i < p->n_ports_in; i++) {
 531                 int status = rte_pipeline_port_in_enable(p->p,
 532                         p->port_in_id[i]);
 533
 534                 if (status) {
 535                         rte_pipeline_free(p->p);
 536                         rte_free(p);
 537                         return NULL;
 538                 }
 539         }
 540
 541         /* Check pipeline consistency */
 542         if (rte_pipeline_check(p->p) < 0) {
 543                 rte_pipeline_free(p->p);
 544                 rte_free(p);
 545                 return NULL;
 546         }
 547
 548         /* Message queues */
 549         p->n_msgq = params->n_msgq;
 550         for (i = 0; i < p->n_msgq; i++)
 551                 p->msgq_in[i] = params->msgq_in[i];
 552         for (i = 0; i < p->n_msgq; i++)
 553                 p->msgq_out[i] = params->msgq_out[i];
 554
 555         /* Message handlers */
 556         memcpy(p->handlers, handlers, sizeof(p->handlers));
 557         memcpy(p_fc->custom_handlers,
 558                 custom_handlers,
 559                 sizeof(p_fc->custom_handlers));
 560
 561         return p;
 562 }
 563
 564 static int
 565 pipeline_fc_free(void *pipeline)
 566 {
 567         struct pipeline *p = (struct pipeline *) pipeline;
 568
 569         /* Check input arguments */
 570         if (p == NULL)
 571                 return -1;
 572
 573         /* Free resources */
 574         rte_pipeline_free(p->p);
 575         rte_free(p);
 576         return 0;
 577 }
 578
 579 static int
 580 pipeline_fc_timer(void *pipeline)
 581 {
 582         struct pipeline *p = (struct pipeline *) pipeline;
 583
 584         pipeline_msg_req_handle(p);
 585         rte_pipeline_flush(p->p);
 586
 587         return 0;
 588 }
 589
 590 static void *
 591 pipeline_fc_msg_req_custom_handler(struct pipeline *p, void *msg)
 592 {
 593         struct pipeline_flow_classification *p_fc =
 594                         (struct pipeline_flow_classification *) p;
 595         struct pipeline_custom_msg_req *req = msg;
 596         pipeline_msg_req_handler f_handle;
 597
 598         f_handle = (req->subtype < PIPELINE_FC_MSG_REQS) ?
 599                 p_fc->custom_handlers[req->subtype] :
 600                 pipeline_msg_req_invalid_handler;
 601
 602         if (f_handle == NULL)
 603                 f_handle = pipeline_msg_req_invalid_handler;
 604
 605         return f_handle(p, req);
 606 }
 607
 608 static void *
 609 pipeline_fc_msg_req_add_handler(struct pipeline *p, void *msg)
 610 {
 611         struct pipeline_fc_add_msg_req *req = msg;
 612         struct pipeline_fc_add_msg_rsp *rsp = msg;
 613
 614         struct flow_table_entry entry = {
 615                 .head = {
 616                         .action = RTE_PIPELINE_ACTION_PORT,
 617                         {.port_id = p->port_out_id[req->port_id]},
 618                 },
 619                 .flow_id = req->flow_id,
 620         };
 621
 622         rsp->status = rte_pipeline_table_entry_add(p->p,
 623                 p->table_id[0],
 624                 &req->key,
 625                 (struct rte_pipeline_table_entry *) &entry,
 626                 &rsp->key_found,
 627                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 628
 629         return rsp;
 630 }
 631
 632 static void *
 633 pipeline_fc_msg_req_add_bulk_handler(struct pipeline *p, void *msg)
 634 {
 635         struct pipeline_fc_add_bulk_msg_req *req = msg;
 636         struct pipeline_fc_add_bulk_msg_rsp *rsp = msg;
 637         uint32_t i;
 638
 639         for (i = 0; i < req->n_keys; i++) {
 640                 struct pipeline_fc_add_bulk_flow_req *flow_req = &req->req[i];
 641                 struct pipeline_fc_add_bulk_flow_rsp *flow_rsp = &req->rsp[i];
 642
 643                 struct flow_table_entry entry = {
 644                         .head = {
 645                                 .action = RTE_PIPELINE_ACTION_PORT,
 646                                 {.port_id = p->port_out_id[flow_req->port_id]},
 647                         },
 648                         .flow_id = flow_req->flow_id,
 649                 };
 650
 651                 int status = rte_pipeline_table_entry_add(p->p,
 652                         p->table_id[0],
 653                         &flow_req->key,
 654                         (struct rte_pipeline_table_entry *) &entry,
 655                         &flow_rsp->key_found,
 656                         (struct rte_pipeline_table_entry **)
 657                                 &flow_rsp->entry_ptr);
 658
 659                 if (status)
 660                         break;
 661         }
 662
 663         rsp->n_keys = i;
 664
 665         return rsp;
 666 }
 667
 668 static void *
 669 pipeline_fc_msg_req_del_handler(struct pipeline *p, void *msg)
 670 {
 671         struct pipeline_fc_del_msg_req *req = msg;
 672         struct pipeline_fc_del_msg_rsp *rsp = msg;
 673
 674         rsp->status = rte_pipeline_table_entry_delete(p->p,
 675                 p->table_id[0],
 676                 &req->key,
 677                 &rsp->key_found,
 678                 NULL);
 679
 680         return rsp;
 681 }
 682
 683 static void *
 684 pipeline_fc_msg_req_add_default_handler(struct pipeline *p, void *msg)
 685 {
 686         struct pipeline_fc_add_default_msg_req *req = msg;
 687         struct pipeline_fc_add_default_msg_rsp *rsp = msg;
 688
 689         struct flow_table_entry default_entry = {
 690                 .head = {
 691                         .action = RTE_PIPELINE_ACTION_PORT,
 692                         {.port_id = p->port_out_id[req->port_id]},
 693                 },
 694
 695                 .flow_id = 0,
 696         };
 697
 698         rsp->status = rte_pipeline_table_default_entry_add(p->p,
 699                 p->table_id[0],
 700                 (struct rte_pipeline_table_entry *) &default_entry,
 701                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 702
 703         return rsp;
 704 }
 705
 706 static void *
 707 pipeline_fc_msg_req_del_default_handler(struct pipeline *p, void *msg)
 708 {
 709         struct pipeline_fc_del_default_msg_rsp *rsp = msg;
 710
 711         rsp->status = rte_pipeline_table_default_entry_delete(p->p,
 712                 p->table_id[0],
 713                 NULL);
 714
 715         return rsp;
 716 }
 717
 718 struct pipeline_be_ops pipeline_flow_classification_be_ops = {
 719         .f_init = pipeline_fc_init,
 720         .f_free = pipeline_fc_free,
 721         .f_run = NULL,
 722         .f_timer = pipeline_fc_timer,
 723 };