examples/ip_pipeline/pipeline/pipeline_flow_classification_be.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <string.h>
  35
  36 #include <rte_common.h>
  37 #include <rte_malloc.h>
  38 #include <rte_table_hash.h>
  39 #include <rte_byteorder.h>
  40 #include <pipeline.h>
  41
  42 #include "pipeline_flow_classification_be.h"
  43 #include "pipeline_actions_common.h"
  44 #include "hash_func.h"
  45
  46 struct pipeline_flow_classification {
  47         struct pipeline p;
  48         pipeline_msg_req_handler custom_handlers[PIPELINE_FC_MSG_REQS];
  49
  50         uint32_t n_flows;
  51         uint32_t key_size;
  52         uint32_t flow_id;
  53
  54         uint32_t key_offset;
  55         uint32_t hash_offset;
  56         uint8_t *key_mask;
  57         uint32_t flow_id_offset;
  58
  59 } __rte_cache_aligned;
  60
  61 static void *
  62 pipeline_fc_msg_req_custom_handler(struct pipeline *p, void *msg);
  63
  64 static pipeline_msg_req_handler handlers[] = {
  65         [PIPELINE_MSG_REQ_PING] =
  66                 pipeline_msg_req_ping_handler,
  67         [PIPELINE_MSG_REQ_STATS_PORT_IN] =
  68                 pipeline_msg_req_stats_port_in_handler,
  69         [PIPELINE_MSG_REQ_STATS_PORT_OUT] =
  70                 pipeline_msg_req_stats_port_out_handler,
  71         [PIPELINE_MSG_REQ_STATS_TABLE] =
  72                 pipeline_msg_req_stats_table_handler,
  73         [PIPELINE_MSG_REQ_PORT_IN_ENABLE] =
  74                 pipeline_msg_req_port_in_enable_handler,
  75         [PIPELINE_MSG_REQ_PORT_IN_DISABLE] =
  76                 pipeline_msg_req_port_in_disable_handler,
  77         [PIPELINE_MSG_REQ_CUSTOM] =
  78                 pipeline_fc_msg_req_custom_handler,
  79 };
  80
  81 static void *
  82 pipeline_fc_msg_req_add_handler(struct pipeline *p, void *msg);
  83
  84 static void *
  85 pipeline_fc_msg_req_add_bulk_handler(struct pipeline *p, void *msg);
  86
  87 static void *
  88 pipeline_fc_msg_req_del_handler(struct pipeline *p, void *msg);
  89
  90 static void *
  91 pipeline_fc_msg_req_add_default_handler(struct pipeline *p, void *msg);
  92
  93 static void *
  94 pipeline_fc_msg_req_del_default_handler(struct pipeline *p, void *msg);
  95
  96 static pipeline_msg_req_handler custom_handlers[] = {
  97         [PIPELINE_FC_MSG_REQ_FLOW_ADD] =
  98                 pipeline_fc_msg_req_add_handler,
  99         [PIPELINE_FC_MSG_REQ_FLOW_ADD_BULK] =
 100                 pipeline_fc_msg_req_add_bulk_handler,
 101         [PIPELINE_FC_MSG_REQ_FLOW_DEL] =
 102                 pipeline_fc_msg_req_del_handler,
 103         [PIPELINE_FC_MSG_REQ_FLOW_ADD_DEFAULT] =
 104                 pipeline_fc_msg_req_add_default_handler,
 105         [PIPELINE_FC_MSG_REQ_FLOW_DEL_DEFAULT] =
 106                 pipeline_fc_msg_req_del_default_handler,
 107 };
 108
 109 /*
 110  * Flow table
 111  */
 112 struct flow_table_entry {
 113         struct rte_pipeline_table_entry head;
 114
 115         uint32_t flow_id;
 116         uint32_t pad;
 117 };
 118
 119 rte_table_hash_op_hash hash_func[] = {
 120         hash_default_key8,
 121         hash_default_key16,
 122         hash_default_key24,
 123         hash_default_key32,
 124         hash_default_key40,
 125         hash_default_key48,
 126         hash_default_key56,
 127         hash_default_key64
 128 };
 129
 130 /*
 131  * Flow table AH - Write flow_id to packet meta-data
 132  */
 133 static inline void
 134 pkt_work_flow_id(
 135         struct rte_mbuf *pkt,
 136         struct rte_pipeline_table_entry *table_entry,
 137         void *arg)
 138 {
 139         struct pipeline_flow_classification *p_fc = arg;
 140         uint32_t *flow_id_ptr =
 141                 RTE_MBUF_METADATA_UINT32_PTR(pkt, p_fc->flow_id_offset);
 142         struct flow_table_entry *entry =
 143                 (struct flow_table_entry *) table_entry;
 144
 145         /* Read */
 146         uint32_t flow_id = entry->flow_id;
 147
 148         /* Compute */
 149
 150         /* Write */
 151         *flow_id_ptr = flow_id;
 152 }
 153
 154 static inline void
 155 pkt4_work_flow_id(
 156         struct rte_mbuf **pkts,
 157         struct rte_pipeline_table_entry **table_entries,
 158         void *arg)
 159 {
 160         struct pipeline_flow_classification *p_fc = arg;
 161
 162         uint32_t *flow_id_ptr0 =
 163                 RTE_MBUF_METADATA_UINT32_PTR(pkts[0], p_fc->flow_id_offset);
 164         uint32_t *flow_id_ptr1 =
 165                 RTE_MBUF_METADATA_UINT32_PTR(pkts[1], p_fc->flow_id_offset);
 166         uint32_t *flow_id_ptr2 =
 167                 RTE_MBUF_METADATA_UINT32_PTR(pkts[2], p_fc->flow_id_offset);
 168         uint32_t *flow_id_ptr3 =
 169                 RTE_MBUF_METADATA_UINT32_PTR(pkts[3], p_fc->flow_id_offset);
 170
 171         struct flow_table_entry *entry0 =
 172                 (struct flow_table_entry *) table_entries[0];
 173         struct flow_table_entry *entry1 =
 174                 (struct flow_table_entry *) table_entries[1];
 175         struct flow_table_entry *entry2 =
 176                 (struct flow_table_entry *) table_entries[2];
 177         struct flow_table_entry *entry3 =
 178                 (struct flow_table_entry *) table_entries[3];
 179
 180         /* Read */
 181         uint32_t flow_id0 = entry0->flow_id;
 182         uint32_t flow_id1 = entry1->flow_id;
 183         uint32_t flow_id2 = entry2->flow_id;
 184         uint32_t flow_id3 = entry3->flow_id;
 185
 186         /* Compute */
 187
 188         /* Write */
 189         *flow_id_ptr0 = flow_id0;
 190         *flow_id_ptr1 = flow_id1;
 191         *flow_id_ptr2 = flow_id2;
 192         *flow_id_ptr3 = flow_id3;
 193 }
 194
 195 PIPELINE_TABLE_AH_HIT(fc_table_ah_hit,
 196                 pkt_work_flow_id, pkt4_work_flow_id);
 197
 198 static rte_pipeline_table_action_handler_hit
 199 get_fc_table_ah_hit(struct pipeline_flow_classification *p)
 200 {
 201         if (p->flow_id)
 202                 return fc_table_ah_hit;
 203
 204         return NULL;
 205 }
 206
 207 /*
 208  * Argument parsing
 209  */
 210 static int
 211 pipeline_fc_parse_args(struct pipeline_flow_classification *p,
 212         struct pipeline_params *params)
 213 {
 214         uint32_t n_flows_present = 0;
 215         uint32_t key_offset_present = 0;
 216         uint32_t key_size_present = 0;
 217         uint32_t hash_offset_present = 0;
 218         uint32_t key_mask_present = 0;
 219         uint32_t flow_id_offset_present = 0;
 220
 221         uint32_t i;
 222         char *key_mask_str = NULL;
 223
 224         p->hash_offset = 0;
 225
 226         /* default values */
 227         p->flow_id = 0;
 228
 229         for (i = 0; i < params->n_args; i++) {
 230                 char *arg_name = params->args_name[i];
 231                 char *arg_value = params->args_value[i];
 232
 233                 /* n_flows */
 234                 if (strcmp(arg_name, "n_flows") == 0) {
 235                         if (n_flows_present)
 236                                 goto error_parse;
 237                         n_flows_present = 1;
 238
 239                         p->n_flows = atoi(arg_value);
 240                         if (p->n_flows == 0)
 241                                 goto error_parse;
 242
 243                         continue;
 244                 }
 245
 246                 /* key_offset */
 247                 if (strcmp(arg_name, "key_offset") == 0) {
 248                         if (key_offset_present)
 249                                 goto error_parse;
 250
 251                         key_offset_present = 1;
 252
 253                         p->key_offset = atoi(arg_value);
 254
 255                         continue;
 256                 }
 257
 258                 /* key_size */
 259                 if (strcmp(arg_name, "key_size") == 0) {
 260                         if (key_size_present)
 261                                 goto error_parse;
 262                         key_size_present = 1;
 263
 264                         p->key_size = atoi(arg_value);
 265                         if ((p->key_size == 0) ||
 266                                 (p->key_size > PIPELINE_FC_FLOW_KEY_MAX_SIZE) ||
 267                                 (p->key_size % 8))
 268                                 goto error_parse;
 269
 270                         continue;
 271                 }
 272
 273                 /* key_mask */
 274                 if (strcmp(arg_name, "key_mask") == 0) {
 275                         if (key_mask_present)
 276                                 goto error_parse;
 277
 278                         key_mask_str = strdup(arg_value);
 279                         if (key_mask_str == NULL)
 280                                 goto error_parse;
 281
 282                         key_mask_present = 1;
 283
 284                         continue;
 285                 }
 286
 287                 /* hash_offset */
 288                 if (strcmp(arg_name, "hash_offset") == 0) {
 289                         if (hash_offset_present)
 290                                 goto error_parse;
 291                         hash_offset_present = 1;
 292
 293                         p->hash_offset = atoi(arg_value);
 294
 295                         continue;
 296                 }
 297
 298                 /* flow_id_offset */
 299                 if (strcmp(arg_name, "flowid_offset") == 0) {
 300                         if (flow_id_offset_present)
 301                                 goto error_parse;
 302                         flow_id_offset_present = 1;
 303
 304                         p->flow_id = 1;
 305                         p->flow_id_offset = atoi(arg_value);
 306
 307                         continue;
 308                 }
 309
 310                 /* Unknown argument */
 311                 goto error_parse;
 312         }
 313
 314         /* Check that mandatory arguments are present */
 315         if ((n_flows_present == 0) ||
 316                 (key_offset_present == 0) ||
 317                 (key_size_present == 0))
 318                 goto error_parse;
 319
 320         if (key_mask_present) {
 321                 p->key_mask = rte_malloc(NULL, p->key_size, 0);
 322                 if (p->key_mask == NULL)
 323                         goto error_parse;
 324
 325                 if (parse_hex_string(key_mask_str, p->key_mask, &p->key_size)
 326                         != 0) {
 327                         goto error_parse;
 328                 }
 329
 330                 free(key_mask_str);
 331         }
 332
 333         return 0;
 334
 335 error_parse:
 336         free(key_mask_str);
 337         free(p->key_mask);
 338         return -1;
 339 }
 340
 341 static void *pipeline_fc_init(struct pipeline_params *params,
 342         __rte_unused void *arg)
 343 {
 344         struct pipeline *p;
 345         struct pipeline_flow_classification *p_fc;
 346         uint32_t size, i;
 347
 348         /* Check input arguments */
 349         if (params == NULL)
 350                 return NULL;
 351
 352         /* Memory allocation */
 353         size = RTE_CACHE_LINE_ROUNDUP(
 354                 sizeof(struct pipeline_flow_classification));
 355         p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 356         if (p == NULL)
 357                 return NULL;
 358         p_fc = (struct pipeline_flow_classification *) p;
 359
 360         strcpy(p->name, params->name);
 361         p->log_level = params->log_level;
 362
 363         PLOG(p, HIGH, "Flow classification");
 364
 365         /* Parse arguments */
 366         if (pipeline_fc_parse_args(p_fc, params))
 367                 return NULL;
 368
 369         /* Pipeline */
 370         {
 371                 struct rte_pipeline_params pipeline_params = {
 372                         .name = params->name,
 373                         .socket_id = params->socket_id,
 374                         .offset_port_id = 0,
 375                 };
 376
 377                 p->p = rte_pipeline_create(&pipeline_params);
 378                 if (p->p == NULL) {
 379                         rte_free(p);
 380                         return NULL;
 381                 }
 382         }
 383
 384         /* Input ports */
 385         p->n_ports_in = params->n_ports_in;
 386         for (i = 0; i < p->n_ports_in; i++) {
 387                 struct rte_pipeline_port_in_params port_params = {
 388                         .ops = pipeline_port_in_params_get_ops(
 389                                 &params->port_in[i]),
 390                         .arg_create = pipeline_port_in_params_convert(
 391                                 &params->port_in[i]),
 392                         .f_action = NULL,
 393                         .arg_ah = NULL,
 394                         .burst_size = params->port_in[i].burst_size,
 395                 };
 396
 397                 int status = rte_pipeline_port_in_create(p->p,
 398                         &port_params,
 399                         &p->port_in_id[i]);
 400
 401                 if (status) {
 402                         rte_pipeline_free(p->p);
 403                         rte_free(p);
 404                         return NULL;
 405                 }
 406         }
 407
 408         /* Output ports */
 409         p->n_ports_out = params->n_ports_out;
 410         for (i = 0; i < p->n_ports_out; i++) {
 411                 struct rte_pipeline_port_out_params port_params = {
 412                         .ops = pipeline_port_out_params_get_ops(
 413                                 &params->port_out[i]),
 414                         .arg_create = pipeline_port_out_params_convert(
 415                                 &params->port_out[i]),
 416                         .f_action = NULL,
 417                         .f_action_bulk = NULL,
 418                         .arg_ah = NULL,
 419                 };
 420
 421                 int status = rte_pipeline_port_out_create(p->p,
 422                         &port_params,
 423                         &p->port_out_id[i]);
 424
 425                 if (status) {
 426                         rte_pipeline_free(p->p);
 427                         rte_free(p);
 428                         return NULL;
 429                 }
 430         }
 431
 432         /* Tables */
 433         p->n_tables = 1;
 434         {
 435                 struct rte_table_hash_key8_ext_params
 436                         table_hash_key8_params = {
 437                         .n_entries = p_fc->n_flows,
 438                         .n_entries_ext = p_fc->n_flows,
 439                         .signature_offset = p_fc->hash_offset,
 440                         .key_offset = p_fc->key_offset,
 441                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 442                         .key_mask = p_fc->key_mask,
 443                         .seed = 0,
 444                 };
 445
 446                 struct rte_table_hash_key16_ext_params
 447                         table_hash_key16_params = {
 448                         .n_entries = p_fc->n_flows,
 449                         .n_entries_ext = p_fc->n_flows,
 450                         .signature_offset = p_fc->hash_offset,
 451                         .key_offset = p_fc->key_offset,
 452                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 453                         .key_mask = p_fc->key_mask,
 454                         .seed = 0,
 455                 };
 456
 457                 struct rte_table_hash_ext_params
 458                         table_hash_params = {
 459                         .key_size = p_fc->key_size,
 460                         .n_keys = p_fc->n_flows,
 461                         .n_buckets = p_fc->n_flows / 4,
 462                         .n_buckets_ext = p_fc->n_flows / 4,
 463                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 464                         .seed = 0,
 465                         .signature_offset = p_fc->hash_offset,
 466                         .key_offset = p_fc->key_offset,
 467                 };
 468
 469                 struct rte_pipeline_table_params table_params = {
 470                         .ops = NULL, /* set below */
 471                         .arg_create = NULL, /* set below */
 472                         .f_action_hit = get_fc_table_ah_hit(p_fc),
 473                         .f_action_miss = NULL,
 474                         .arg_ah = p_fc,
 475                         .action_data_size = sizeof(struct flow_table_entry) -
 476                                 sizeof(struct rte_pipeline_table_entry),
 477                 };
 478
 479                 int status;
 480
 481                 switch (p_fc->key_size) {
 482                 case 8:
 483                         if (p_fc->hash_offset != 0) {
 484                                 table_params.ops =
 485                                         &rte_table_hash_key8_ext_ops;
 486                         } else {
 487                                 table_params.ops =
 488                                         &rte_table_hash_key8_ext_dosig_ops;
 489                         }
 490                         table_params.arg_create = &table_hash_key8_params;
 491                         break;
 492
 493                 case 16:
 494                         if (p_fc->hash_offset != 0) {
 495                                 table_params.ops =
 496                                         &rte_table_hash_key16_ext_ops;
 497                         } else {
 498                                 table_params.ops =
 499                                         &rte_table_hash_key16_ext_dosig_ops;
 500                         }
 501                         table_params.arg_create = &table_hash_key16_params;
 502                         break;
 503
 504                 default:
 505                         table_params.ops = &rte_table_hash_ext_ops;
 506                         table_params.arg_create = &table_hash_params;
 507                 }
 508
 509                 status = rte_pipeline_table_create(p->p,
 510                         &table_params,
 511                         &p->table_id[0]);
 512
 513                 if (status) {
 514                         rte_pipeline_free(p->p);
 515                         rte_free(p);
 516                         return NULL;
 517                 }
 518         }
 519
 520         /* Connecting input ports to tables */
 521         for (i = 0; i < p->n_ports_in; i++) {
 522                 int status = rte_pipeline_port_in_connect_to_table(p->p,
 523                         p->port_in_id[i],
 524                         p->table_id[0]);
 525
 526                 if (status) {
 527                         rte_pipeline_free(p->p);
 528                         rte_free(p);
 529                         return NULL;
 530                 }
 531         }
 532
 533         /* Enable input ports */
 534         for (i = 0; i < p->n_ports_in; i++) {
 535                 int status = rte_pipeline_port_in_enable(p->p,
 536                         p->port_in_id[i]);
 537
 538                 if (status) {
 539                         rte_pipeline_free(p->p);
 540                         rte_free(p);
 541                         return NULL;
 542                 }
 543         }
 544
 545         /* Check pipeline consistency */
 546         if (rte_pipeline_check(p->p) < 0) {
 547                 rte_pipeline_free(p->p);
 548                 rte_free(p);
 549                 return NULL;
 550         }
 551
 552         /* Message queues */
 553         p->n_msgq = params->n_msgq;
 554         for (i = 0; i < p->n_msgq; i++)
 555                 p->msgq_in[i] = params->msgq_in[i];
 556         for (i = 0; i < p->n_msgq; i++)
 557                 p->msgq_out[i] = params->msgq_out[i];
 558
 559         /* Message handlers */
 560         memcpy(p->handlers, handlers, sizeof(p->handlers));
 561         memcpy(p_fc->custom_handlers,
 562                 custom_handlers,
 563                 sizeof(p_fc->custom_handlers));
 564
 565         return p;
 566 }
 567
 568 static int
 569 pipeline_fc_free(void *pipeline)
 570 {
 571         struct pipeline *p = (struct pipeline *) pipeline;
 572
 573         /* Check input arguments */
 574         if (p == NULL)
 575                 return -1;
 576
 577         /* Free resources */
 578         rte_pipeline_free(p->p);
 579         rte_free(p);
 580         return 0;
 581 }
 582
 583 static int
 584 pipeline_fc_track(void *pipeline,
 585         __rte_unused uint32_t port_in,
 586         uint32_t *port_out)
 587 {
 588         struct pipeline *p = (struct pipeline *) pipeline;
 589
 590         /* Check input arguments */
 591         if ((p == NULL) ||
 592                 (port_in >= p->n_ports_in) ||
 593                 (port_out == NULL))
 594                 return -1;
 595
 596         if (p->n_ports_in == 1) {
 597                 *port_out = 0;
 598                 return 0;
 599         }
 600
 601         return -1;
 602 }
 603
 604 static int
 605 pipeline_fc_timer(void *pipeline)
 606 {
 607         struct pipeline *p = (struct pipeline *) pipeline;
 608
 609         pipeline_msg_req_handle(p);
 610         rte_pipeline_flush(p->p);
 611
 612         return 0;
 613 }
 614
 615 static void *
 616 pipeline_fc_msg_req_custom_handler(struct pipeline *p, void *msg)
 617 {
 618         struct pipeline_flow_classification *p_fc =
 619                         (struct pipeline_flow_classification *) p;
 620         struct pipeline_custom_msg_req *req = msg;
 621         pipeline_msg_req_handler f_handle;
 622
 623         f_handle = (req->subtype < PIPELINE_FC_MSG_REQS) ?
 624                 p_fc->custom_handlers[req->subtype] :
 625                 pipeline_msg_req_invalid_handler;
 626
 627         if (f_handle == NULL)
 628                 f_handle = pipeline_msg_req_invalid_handler;
 629
 630         return f_handle(p, req);
 631 }
 632
 633 static void *
 634 pipeline_fc_msg_req_add_handler(struct pipeline *p, void *msg)
 635 {
 636         struct pipeline_fc_add_msg_req *req = msg;
 637         struct pipeline_fc_add_msg_rsp *rsp = msg;
 638
 639         struct flow_table_entry entry = {
 640                 .head = {
 641                         .action = RTE_PIPELINE_ACTION_PORT,
 642                         {.port_id = p->port_out_id[req->port_id]},
 643                 },
 644                 .flow_id = req->flow_id,
 645         };
 646
 647         rsp->status = rte_pipeline_table_entry_add(p->p,
 648                 p->table_id[0],
 649                 &req->key,
 650                 (struct rte_pipeline_table_entry *) &entry,
 651                 &rsp->key_found,
 652                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 653
 654         return rsp;
 655 }
 656
 657 static void *
 658 pipeline_fc_msg_req_add_bulk_handler(struct pipeline *p, void *msg)
 659 {
 660         struct pipeline_fc_add_bulk_msg_req *req = msg;
 661         struct pipeline_fc_add_bulk_msg_rsp *rsp = msg;
 662         uint32_t i;
 663
 664         for (i = 0; i < req->n_keys; i++) {
 665                 struct pipeline_fc_add_bulk_flow_req *flow_req = &req->req[i];
 666                 struct pipeline_fc_add_bulk_flow_rsp *flow_rsp = &req->rsp[i];
 667
 668                 struct flow_table_entry entry = {
 669                         .head = {
 670                                 .action = RTE_PIPELINE_ACTION_PORT,
 671                                 {.port_id = p->port_out_id[flow_req->port_id]},
 672                         },
 673                         .flow_id = flow_req->flow_id,
 674                 };
 675
 676                 int status = rte_pipeline_table_entry_add(p->p,
 677                         p->table_id[0],
 678                         &flow_req->key,
 679                         (struct rte_pipeline_table_entry *) &entry,
 680                         &flow_rsp->key_found,
 681                         (struct rte_pipeline_table_entry **)
 682                                 &flow_rsp->entry_ptr);
 683
 684                 if (status)
 685                         break;
 686         }
 687
 688         rsp->n_keys = i;
 689
 690         return rsp;
 691 }
 692
 693 static void *
 694 pipeline_fc_msg_req_del_handler(struct pipeline *p, void *msg)
 695 {
 696         struct pipeline_fc_del_msg_req *req = msg;
 697         struct pipeline_fc_del_msg_rsp *rsp = msg;
 698
 699         rsp->status = rte_pipeline_table_entry_delete(p->p,
 700                 p->table_id[0],
 701                 &req->key,
 702                 &rsp->key_found,
 703                 NULL);
 704
 705         return rsp;
 706 }
 707
 708 static void *
 709 pipeline_fc_msg_req_add_default_handler(struct pipeline *p, void *msg)
 710 {
 711         struct pipeline_fc_add_default_msg_req *req = msg;
 712         struct pipeline_fc_add_default_msg_rsp *rsp = msg;
 713
 714         struct flow_table_entry default_entry = {
 715                 .head = {
 716                         .action = RTE_PIPELINE_ACTION_PORT,
 717                         {.port_id = p->port_out_id[req->port_id]},
 718                 },
 719
 720                 .flow_id = 0,
 721         };
 722
 723         rsp->status = rte_pipeline_table_default_entry_add(p->p,
 724                 p->table_id[0],
 725                 (struct rte_pipeline_table_entry *) &default_entry,
 726                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 727
 728         return rsp;
 729 }
 730
 731 static void *
 732 pipeline_fc_msg_req_del_default_handler(struct pipeline *p, void *msg)
 733 {
 734         struct pipeline_fc_del_default_msg_rsp *rsp = msg;
 735
 736         rsp->status = rte_pipeline_table_default_entry_delete(p->p,
 737                 p->table_id[0],
 738                 NULL);
 739
 740         return rsp;
 741 }
 742
 743 struct pipeline_be_ops pipeline_flow_classification_be_ops = {
 744         .f_init = pipeline_fc_init,
 745         .f_free = pipeline_fc_free,
 746         .f_run = NULL,
 747         .f_timer = pipeline_fc_timer,
 748         .f_track = pipeline_fc_track,
 749 };