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         if (key_mask_str != NULL)
 337                 free(key_mask_str);
 338         if (p->key_mask != NULL)
 339                 free(p->key_mask);
 340         return -1;
 341 }
 342
 343 static void *pipeline_fc_init(struct pipeline_params *params,
 344         __rte_unused void *arg)
 345 {
 346         struct pipeline *p;
 347         struct pipeline_flow_classification *p_fc;
 348         uint32_t size, i;
 349
 350         /* Check input arguments */
 351         if (params == NULL)
 352                 return NULL;
 353
 354         /* Memory allocation */
 355         size = RTE_CACHE_LINE_ROUNDUP(
 356                 sizeof(struct pipeline_flow_classification));
 357         p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
 358         if (p == NULL)
 359                 return NULL;
 360         p_fc = (struct pipeline_flow_classification *) p;
 361
 362         strcpy(p->name, params->name);
 363         p->log_level = params->log_level;
 364
 365         PLOG(p, HIGH, "Flow classification");
 366
 367         /* Parse arguments */
 368         if (pipeline_fc_parse_args(p_fc, params))
 369                 return NULL;
 370
 371         /* Pipeline */
 372         {
 373                 struct rte_pipeline_params pipeline_params = {
 374                         .name = params->name,
 375                         .socket_id = params->socket_id,
 376                         .offset_port_id = 0,
 377                 };
 378
 379                 p->p = rte_pipeline_create(&pipeline_params);
 380                 if (p->p == NULL) {
 381                         rte_free(p);
 382                         return NULL;
 383                 }
 384         }
 385
 386         /* Input ports */
 387         p->n_ports_in = params->n_ports_in;
 388         for (i = 0; i < p->n_ports_in; i++) {
 389                 struct rte_pipeline_port_in_params port_params = {
 390                         .ops = pipeline_port_in_params_get_ops(
 391                                 &params->port_in[i]),
 392                         .arg_create = pipeline_port_in_params_convert(
 393                                 &params->port_in[i]),
 394                         .f_action = NULL,
 395                         .arg_ah = NULL,
 396                         .burst_size = params->port_in[i].burst_size,
 397                 };
 398
 399                 int status = rte_pipeline_port_in_create(p->p,
 400                         &port_params,
 401                         &p->port_in_id[i]);
 402
 403                 if (status) {
 404                         rte_pipeline_free(p->p);
 405                         rte_free(p);
 406                         return NULL;
 407                 }
 408         }
 409
 410         /* Output ports */
 411         p->n_ports_out = params->n_ports_out;
 412         for (i = 0; i < p->n_ports_out; i++) {
 413                 struct rte_pipeline_port_out_params port_params = {
 414                         .ops = pipeline_port_out_params_get_ops(
 415                                 &params->port_out[i]),
 416                         .arg_create = pipeline_port_out_params_convert(
 417                                 &params->port_out[i]),
 418                         .f_action = NULL,
 419                         .f_action_bulk = NULL,
 420                         .arg_ah = NULL,
 421                 };
 422
 423                 int status = rte_pipeline_port_out_create(p->p,
 424                         &port_params,
 425                         &p->port_out_id[i]);
 426
 427                 if (status) {
 428                         rte_pipeline_free(p->p);
 429                         rte_free(p);
 430                         return NULL;
 431                 }
 432         }
 433
 434         /* Tables */
 435         p->n_tables = 1;
 436         {
 437                 struct rte_table_hash_key8_ext_params
 438                         table_hash_key8_params = {
 439                         .n_entries = p_fc->n_flows,
 440                         .n_entries_ext = p_fc->n_flows,
 441                         .signature_offset = p_fc->hash_offset,
 442                         .key_offset = p_fc->key_offset,
 443                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 444                         .key_mask = p_fc->key_mask,
 445                         .seed = 0,
 446                 };
 447
 448                 struct rte_table_hash_key16_ext_params
 449                         table_hash_key16_params = {
 450                         .n_entries = p_fc->n_flows,
 451                         .n_entries_ext = p_fc->n_flows,
 452                         .signature_offset = p_fc->hash_offset,
 453                         .key_offset = p_fc->key_offset,
 454                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 455                         .key_mask = p_fc->key_mask,
 456                         .seed = 0,
 457                 };
 458
 459                 struct rte_table_hash_ext_params
 460                         table_hash_params = {
 461                         .key_size = p_fc->key_size,
 462                         .n_keys = p_fc->n_flows,
 463                         .n_buckets = p_fc->n_flows / 4,
 464                         .n_buckets_ext = p_fc->n_flows / 4,
 465                         .f_hash = hash_func[(p_fc->key_size / 8) - 1],
 466                         .seed = 0,
 467                         .signature_offset = p_fc->hash_offset,
 468                         .key_offset = p_fc->key_offset,
 469                 };
 470
 471                 struct rte_pipeline_table_params table_params = {
 472                         .ops = NULL, /* set below */
 473                         .arg_create = NULL, /* set below */
 474                         .f_action_hit = get_fc_table_ah_hit(p_fc),
 475                         .f_action_miss = NULL,
 476                         .arg_ah = p_fc,
 477                         .action_data_size = sizeof(struct flow_table_entry) -
 478                                 sizeof(struct rte_pipeline_table_entry),
 479                 };
 480
 481                 int status;
 482
 483                 switch (p_fc->key_size) {
 484                 case 8:
 485                         if (p_fc->hash_offset != 0) {
 486                                 table_params.ops =
 487                                         &rte_table_hash_key8_ext_ops;
 488                         } else {
 489                                 table_params.ops =
 490                                         &rte_table_hash_key8_ext_dosig_ops;
 491                         }
 492                         table_params.arg_create = &table_hash_key8_params;
 493                         break;
 494
 495                 case 16:
 496                         if (p_fc->hash_offset != 0) {
 497                                 table_params.ops =
 498                                         &rte_table_hash_key16_ext_ops;
 499                         } else {
 500                                 table_params.ops =
 501                                         &rte_table_hash_key16_ext_dosig_ops;
 502                         }
 503                         table_params.arg_create = &table_hash_key16_params;
 504                         break;
 505
 506                 default:
 507                         table_params.ops = &rte_table_hash_ext_ops;
 508                         table_params.arg_create = &table_hash_params;
 509                 }
 510
 511                 status = rte_pipeline_table_create(p->p,
 512                         &table_params,
 513                         &p->table_id[0]);
 514
 515                 if (status) {
 516                         rte_pipeline_free(p->p);
 517                         rte_free(p);
 518                         return NULL;
 519                 }
 520         }
 521
 522         /* Connecting input ports to tables */
 523         for (i = 0; i < p->n_ports_in; i++) {
 524                 int status = rte_pipeline_port_in_connect_to_table(p->p,
 525                         p->port_in_id[i],
 526                         p->table_id[0]);
 527
 528                 if (status) {
 529                         rte_pipeline_free(p->p);
 530                         rte_free(p);
 531                         return NULL;
 532                 }
 533         }
 534
 535         /* Enable input ports */
 536         for (i = 0; i < p->n_ports_in; i++) {
 537                 int status = rte_pipeline_port_in_enable(p->p,
 538                         p->port_in_id[i]);
 539
 540                 if (status) {
 541                         rte_pipeline_free(p->p);
 542                         rte_free(p);
 543                         return NULL;
 544                 }
 545         }
 546
 547         /* Check pipeline consistency */
 548         if (rte_pipeline_check(p->p) < 0) {
 549                 rte_pipeline_free(p->p);
 550                 rte_free(p);
 551                 return NULL;
 552         }
 553
 554         /* Message queues */
 555         p->n_msgq = params->n_msgq;
 556         for (i = 0; i < p->n_msgq; i++)
 557                 p->msgq_in[i] = params->msgq_in[i];
 558         for (i = 0; i < p->n_msgq; i++)
 559                 p->msgq_out[i] = params->msgq_out[i];
 560
 561         /* Message handlers */
 562         memcpy(p->handlers, handlers, sizeof(p->handlers));
 563         memcpy(p_fc->custom_handlers,
 564                 custom_handlers,
 565                 sizeof(p_fc->custom_handlers));
 566
 567         return p;
 568 }
 569
 570 static int
 571 pipeline_fc_free(void *pipeline)
 572 {
 573         struct pipeline *p = (struct pipeline *) pipeline;
 574
 575         /* Check input arguments */
 576         if (p == NULL)
 577                 return -1;
 578
 579         /* Free resources */
 580         rte_pipeline_free(p->p);
 581         rte_free(p);
 582         return 0;
 583 }
 584
 585 static int
 586 pipeline_fc_track(void *pipeline,
 587         __rte_unused uint32_t port_in,
 588         uint32_t *port_out)
 589 {
 590         struct pipeline *p = (struct pipeline *) pipeline;
 591
 592         /* Check input arguments */
 593         if ((p == NULL) ||
 594                 (port_in >= p->n_ports_in) ||
 595                 (port_out == NULL))
 596                 return -1;
 597
 598         if (p->n_ports_in == 1) {
 599                 *port_out = 0;
 600                 return 0;
 601         }
 602
 603         return -1;
 604 }
 605
 606 static int
 607 pipeline_fc_timer(void *pipeline)
 608 {
 609         struct pipeline *p = (struct pipeline *) pipeline;
 610
 611         pipeline_msg_req_handle(p);
 612         rte_pipeline_flush(p->p);
 613
 614         return 0;
 615 }
 616
 617 static void *
 618 pipeline_fc_msg_req_custom_handler(struct pipeline *p, void *msg)
 619 {
 620         struct pipeline_flow_classification *p_fc =
 621                         (struct pipeline_flow_classification *) p;
 622         struct pipeline_custom_msg_req *req = msg;
 623         pipeline_msg_req_handler f_handle;
 624
 625         f_handle = (req->subtype < PIPELINE_FC_MSG_REQS) ?
 626                 p_fc->custom_handlers[req->subtype] :
 627                 pipeline_msg_req_invalid_handler;
 628
 629         if (f_handle == NULL)
 630                 f_handle = pipeline_msg_req_invalid_handler;
 631
 632         return f_handle(p, req);
 633 }
 634
 635 static void *
 636 pipeline_fc_msg_req_add_handler(struct pipeline *p, void *msg)
 637 {
 638         struct pipeline_fc_add_msg_req *req = msg;
 639         struct pipeline_fc_add_msg_rsp *rsp = msg;
 640
 641         struct flow_table_entry entry = {
 642                 .head = {
 643                         .action = RTE_PIPELINE_ACTION_PORT,
 644                         {.port_id = p->port_out_id[req->port_id]},
 645                 },
 646                 .flow_id = req->flow_id,
 647         };
 648
 649         rsp->status = rte_pipeline_table_entry_add(p->p,
 650                 p->table_id[0],
 651                 &req->key,
 652                 (struct rte_pipeline_table_entry *) &entry,
 653                 &rsp->key_found,
 654                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 655
 656         return rsp;
 657 }
 658
 659 static void *
 660 pipeline_fc_msg_req_add_bulk_handler(struct pipeline *p, void *msg)
 661 {
 662         struct pipeline_fc_add_bulk_msg_req *req = msg;
 663         struct pipeline_fc_add_bulk_msg_rsp *rsp = msg;
 664         uint32_t i;
 665
 666         for (i = 0; i < req->n_keys; i++) {
 667                 struct pipeline_fc_add_bulk_flow_req *flow_req = &req->req[i];
 668                 struct pipeline_fc_add_bulk_flow_rsp *flow_rsp = &req->rsp[i];
 669
 670                 struct flow_table_entry entry = {
 671                         .head = {
 672                                 .action = RTE_PIPELINE_ACTION_PORT,
 673                                 {.port_id = p->port_out_id[flow_req->port_id]},
 674                         },
 675                         .flow_id = flow_req->flow_id,
 676                 };
 677
 678                 int status = rte_pipeline_table_entry_add(p->p,
 679                         p->table_id[0],
 680                         &flow_req->key,
 681                         (struct rte_pipeline_table_entry *) &entry,
 682                         &flow_rsp->key_found,
 683                         (struct rte_pipeline_table_entry **)
 684                                 &flow_rsp->entry_ptr);
 685
 686                 if (status)
 687                         break;
 688         }
 689
 690         rsp->n_keys = i;
 691
 692         return rsp;
 693 }
 694
 695 static void *
 696 pipeline_fc_msg_req_del_handler(struct pipeline *p, void *msg)
 697 {
 698         struct pipeline_fc_del_msg_req *req = msg;
 699         struct pipeline_fc_del_msg_rsp *rsp = msg;
 700
 701         rsp->status = rte_pipeline_table_entry_delete(p->p,
 702                 p->table_id[0],
 703                 &req->key,
 704                 &rsp->key_found,
 705                 NULL);
 706
 707         return rsp;
 708 }
 709
 710 static void *
 711 pipeline_fc_msg_req_add_default_handler(struct pipeline *p, void *msg)
 712 {
 713         struct pipeline_fc_add_default_msg_req *req = msg;
 714         struct pipeline_fc_add_default_msg_rsp *rsp = msg;
 715
 716         struct flow_table_entry default_entry = {
 717                 .head = {
 718                         .action = RTE_PIPELINE_ACTION_PORT,
 719                         {.port_id = p->port_out_id[req->port_id]},
 720                 },
 721
 722                 .flow_id = 0,
 723         };
 724
 725         rsp->status = rte_pipeline_table_default_entry_add(p->p,
 726                 p->table_id[0],
 727                 (struct rte_pipeline_table_entry *) &default_entry,
 728                 (struct rte_pipeline_table_entry **) &rsp->entry_ptr);
 729
 730         return rsp;
 731 }
 732
 733 static void *
 734 pipeline_fc_msg_req_del_default_handler(struct pipeline *p, void *msg)
 735 {
 736         struct pipeline_fc_del_default_msg_rsp *rsp = msg;
 737
 738         rsp->status = rte_pipeline_table_default_entry_delete(p->p,
 739                 p->table_id[0],
 740                 NULL);
 741
 742         return rsp;
 743 }
 744
 745 struct pipeline_be_ops pipeline_flow_classification_be_ops = {
 746         .f_init = pipeline_fc_init,
 747         .f_free = pipeline_fc_free,
 748         .f_run = NULL,
 749         .f_timer = pipeline_fc_timer,
 750         .f_track = pipeline_fc_track,
 751 };