examples/qos_sched/cfg_file.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2013 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
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <ctype.h>
  39 #include <rte_string_fns.h>
  40 #include <rte_sched.h>
  41
  42 #include "cfg_file.h"
  43 #include "main.h"
  44
  45
  46 /** when we resize a file structure, how many extra entries
  47  * for new sections do we add in */
  48 #define CFG_ALLOC_SECTION_BATCH 8
  49 /** when we resize a section structure, how many extra entries
  50  * for new entries do we add in */
  51 #define CFG_ALLOC_ENTRY_BATCH 16
  52
  53 static unsigned
  54 _strip(char *str, unsigned len)
  55 {
  56         int newlen = len;
  57         if (len == 0)
  58                 return 0;
  59
  60         if (isspace(str[len-1])) {
  61                 /* strip trailing whitespace */
  62                 while (newlen > 0 && isspace(str[newlen - 1]))
  63                         str[--newlen] = '\0';
  64         }
  65
  66         if (isspace(str[0])) {
  67                 /* strip leading whitespace */
  68                 int i,start = 1;
  69                 while (isspace(str[start]) && start < newlen)
  70                         start++
  71                         ; /* do nothing */
  72                 newlen -= start;
  73                 for (i = 0; i < newlen; i++)
  74                         str[i] = str[i+start];
  75                 str[i] = '\0';
  76         }
  77         return newlen;
  78 }
  79
  80 struct cfg_file *
  81 cfg_load(const char *filename, int flags)
  82 {
  83         int allocated_sections = CFG_ALLOC_SECTION_BATCH;
  84         int allocated_entries = 0;
  85         int curr_section = -1;
  86         int curr_entry = -1;
  87         char buffer[256];
  88         int lineno = 0;
  89         struct cfg_file *cfg = NULL;
  90
  91         FILE *f = fopen(filename, "r");
  92         if (f == NULL)
  93                 return NULL;
  94
  95         cfg = malloc(sizeof(*cfg) +     sizeof(cfg->sections[0]) * allocated_sections);
  96         if (cfg == NULL)
  97                 goto error2;
  98
  99         memset(cfg->sections, 0, sizeof(cfg->sections[0]) * allocated_sections);
 100
 101         while (fgets(buffer, sizeof(buffer), f) != NULL) {
 102                 char *pos = NULL;
 103                 size_t len = strnlen(buffer, sizeof(buffer));
 104                 lineno++;
 105                 if (len >=sizeof(buffer) - 1 && buffer[len-1] != '\n'){
 106                         printf("Error line %d - no \\n found on string. "
 107                                         "Check if line too long\n", lineno);
 108                         goto error1;
 109                 }
 110                 if ((pos = memchr(buffer, ';', sizeof(buffer))) != NULL) {
 111                         *pos = '\0';
 112                         len = pos -  buffer;
 113                 }
 114
 115                 len = _strip(buffer, len);
 116                 if (buffer[0] != '[' && memchr(buffer, '=', len) == NULL)
 117                         continue;
 118
 119                 if (buffer[0] == '[') {
 120                         /* section heading line */
 121                         char *end = memchr(buffer, ']', len);
 122                         if (end == NULL) {
 123                                 printf("Error line %d - no terminating '[' found\n", lineno);
 124                                 goto error1;
 125                         }
 126                         *end = '\0';
 127                         _strip(&buffer[1], end - &buffer[1]);
 128
 129                         /* close off old section and add start new one */
 130                         if (curr_section >= 0)
 131                                 cfg->sections[curr_section]->num_entries = curr_entry + 1;
 132                         curr_section++;
 133
 134                         /* resize overall struct if we don't have room for more sections */
 135                         if (curr_section == allocated_sections) {
 136                                 allocated_sections += CFG_ALLOC_SECTION_BATCH;
 137                                 struct cfg_file *n_cfg = realloc(cfg, sizeof(*cfg) +
 138                                                 sizeof(cfg->sections[0]) * allocated_sections);
 139                                 if (n_cfg == NULL) {
 140                                         printf("Error - no more memory\n");
 141                                         goto error1;
 142                                 }
 143                                 cfg = n_cfg;
 144                         }
 145
 146                         /* allocate space for new section */
 147                         allocated_entries = CFG_ALLOC_ENTRY_BATCH;
 148                         curr_entry = -1;
 149                         cfg->sections[curr_section] = malloc(sizeof(*cfg->sections[0]) +
 150                                         sizeof(cfg->sections[0]->entries[0]) * allocated_entries);
 151                         if (cfg->sections[curr_section] == NULL) {
 152                                 printf("Error - no more memory\n");
 153                                 goto error1;
 154                         }
 155
 156                         rte_snprintf(cfg->sections[curr_section]->name,
 157                                         sizeof(cfg->sections[0]->name),
 158                                         "%s", &buffer[1]);
 159                 }
 160                 else {
 161                         /* value line */
 162                         if (curr_section < 0) {
 163                                 printf("Error line %d - value outside of section\n", lineno);
 164                                 goto error1;
 165                         }
 166
 167                         struct cfg_section *sect = cfg->sections[curr_section];
 168                         char *split[2];
 169                         if (rte_strsplit(buffer, sizeof(buffer), split, 2, '=') != 2) {
 170                                 printf("Error at line %d - cannot split string\n", lineno);
 171                                 goto error1;
 172                         }
 173
 174                         curr_entry++;
 175                         if (curr_entry == allocated_entries) {
 176                                 allocated_entries += CFG_ALLOC_ENTRY_BATCH;
 177                                 struct cfg_section *n_sect = realloc(sect, sizeof(*sect) +
 178                                                 sizeof(sect->entries[0]) * allocated_entries);
 179                                 if (n_sect == NULL) {
 180                                         printf("Error - no more memory\n");
 181                                         goto error1;
 182                                 }
 183                                 sect = cfg->sections[curr_section] = n_sect;
 184                         }
 185
 186                         sect->entries[curr_entry] = malloc(sizeof(*sect->entries[0]));
 187                         if (sect->entries[curr_entry] == NULL) {
 188                                 printf("Error - no more memory\n");
 189                                 goto error1;
 190                         }
 191
 192                         struct cfg_entry *entry = sect->entries[curr_entry];
 193                         rte_snprintf(entry->name, sizeof(entry->name), "%s", split[0]);
 194                         rte_snprintf(entry->value, sizeof(entry->value), "%s", split[1]);
 195                         _strip(entry->name, strnlen(entry->name, sizeof(entry->name)));
 196                         _strip(entry->value, strnlen(entry->value, sizeof(entry->value)));
 197                 }
 198         }
 199         fclose(f);
 200         cfg->flags = flags;
 201         cfg->sections[curr_section]->num_entries = curr_entry + 1;
 202         cfg->num_sections = curr_section + 1;
 203         return cfg;
 204
 205 error1:
 206         cfg_close(cfg);
 207 error2:
 208         fclose(f);
 209         return NULL;
 210 }
 211
 212
 213 int cfg_close(struct cfg_file *cfg)
 214 {
 215         int i, j;
 216
 217         if (cfg == NULL)
 218                 return -1;
 219
 220         for(i = 0; i < cfg->num_sections; i++) {
 221                 if (cfg->sections[i] != NULL) {
 222                         if (cfg->sections[i]->num_entries) {
 223                                 for(j = 0; j < cfg->sections[i]->num_entries; j++) {
 224                                         if (cfg->sections[i]->entries[j] != NULL)
 225                                                 free(cfg->sections[i]->entries[j]);
 226                                 }
 227                         }
 228                         free(cfg->sections[i]);
 229                 }
 230         }
 231         free(cfg);
 232
 233         return 0;
 234 }
 235
 236 int
 237 cfg_num_sections(struct cfg_file *cfg, const char *sectionname, size_t length)
 238 {
 239         int i;
 240         int num_sections = 0;
 241         for (i = 0; i < cfg->num_sections; i++) {
 242                 if (strncmp(cfg->sections[i]->name, sectionname, length) == 0)
 243                         num_sections++;
 244         }
 245         return num_sections;
 246 }
 247
 248 int
 249 cfg_sections(struct cfg_file *cfg, char *sections[], int max_sections)
 250 {
 251         int i;
 252         for (i = 0; i < cfg->num_sections && i < max_sections; i++) {
 253                 rte_snprintf(sections[i], CFG_NAME_LEN, "%s",  cfg->sections[i]->name);
 254         }
 255         return i;
 256 }
 257
 258 static const struct cfg_section *
 259 _get_section(struct cfg_file *cfg, const char *sectionname)
 260 {
 261         int i;
 262         for (i = 0; i < cfg->num_sections; i++) {
 263                 if (strncmp(cfg->sections[i]->name, sectionname,
 264                                 sizeof(cfg->sections[0]->name)) == 0)
 265                         return cfg->sections[i];
 266         }
 267         return NULL;
 268 }
 269
 270 int
 271 cfg_has_section(struct cfg_file *cfg, const char *sectionname)
 272 {
 273         return (_get_section(cfg, sectionname) != NULL);
 274 }
 275
 276 int
 277 cfg_section_num_entries(struct cfg_file *cfg, const char *sectionname)
 278 {
 279         const struct cfg_section *s = _get_section(cfg, sectionname);
 280         if (s == NULL)
 281                 return -1;
 282         return s->num_entries;
 283 }
 284
 285
 286 int
 287 cfg_section_entries(struct cfg_file *cfg, const char *sectionname,
 288                 struct cfg_entry *entries, int max_entries)
 289 {
 290         int i;
 291         const struct cfg_section *sect = _get_section(cfg, sectionname);
 292         if (sect == NULL)
 293                 return -1;
 294         for (i = 0; i < max_entries && i < sect->num_entries; i++)
 295                 entries[i] = *sect->entries[i];
 296         return i;
 297 }
 298
 299 const char *
 300 cfg_get_entry(struct cfg_file *cfg, const char *sectionname,
 301                 const char *entryname)
 302 {
 303         int i;
 304         const struct cfg_section *sect = _get_section(cfg, sectionname);
 305         if (sect == NULL)
 306                 return NULL;
 307         for (i = 0; i < sect->num_entries; i++)
 308                 if (strncmp(sect->entries[i]->name, entryname, CFG_NAME_LEN) == 0)
 309                         return sect->entries[i]->value;
 310         return NULL;
 311 }
 312
 313 int
 314 cfg_has_entry(struct cfg_file *cfg, const char *sectionname,
 315                 const char *entryname)
 316 {
 317         return (cfg_get_entry(cfg, sectionname, entryname) != NULL);
 318 }
 319
 320
 321 int
 322 cfg_load_port(struct cfg_file *cfg, struct rte_sched_port_params *port_params)
 323 {
 324         const char *entry;
 325         int j;
 326
 327         if (!cfg || !port_params)
 328                 return -1;
 329
 330         entry = cfg_get_entry(cfg, "port", "frame overhead");
 331         if (entry)
 332                 port_params->frame_overhead = (uint32_t)atoi(entry);
 333
 334         entry = cfg_get_entry(cfg, "port", "number of subports per port");
 335         if (entry)
 336                 port_params->n_subports_per_port = (uint32_t)atoi(entry);
 337
 338         entry = cfg_get_entry(cfg, "port", "number of pipes per subport");
 339         if (entry)
 340                 port_params->n_pipes_per_subport = (uint32_t)atoi(entry);
 341
 342         entry = cfg_get_entry(cfg, "port", "queue sizes");
 343         if (entry) {
 344                 char *next;
 345
 346                 for(j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
 347                         port_params->qsize[j] = (uint16_t)strtol(entry, &next, 10);
 348                         if (next == NULL)
 349                                 break;
 350                         entry = next;
 351                 }
 352         }
 353
 354 #ifdef RTE_SCHED_RED
 355         for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
 356                 char str[32];
 357
 358                 /* Parse WRED min thresholds */
 359                 rte_snprintf(str, sizeof(str), "tc %d wred min", j);
 360                 entry = cfg_get_entry(cfg, "red", str);
 361                 if (entry) {
 362                         char *next;
 363                         int k;
 364                         /* for each packet colour (green, yellow, red) */
 365                         for (k = 0; k < e_RTE_METER_COLORS; k++) {
 366                                 port_params->red_params[j][k].min_th
 367                                         = (uint16_t)strtol(entry, &next, 10);
 368                                 if (next == NULL)
 369                                         break;
 370                                 entry = next;
 371                         }
 372                 }
 373
 374                 /* Parse WRED max thresholds */
 375                 rte_snprintf(str, sizeof(str), "tc %d wred max", j);
 376                 entry = cfg_get_entry(cfg, "red", str);
 377                 if (entry) {
 378                         char *next;
 379                         int k;
 380                         /* for each packet colour (green, yellow, red) */
 381                         for (k = 0; k < e_RTE_METER_COLORS; k++) {
 382                                 port_params->red_params[j][k].max_th
 383                                         = (uint16_t)strtol(entry, &next, 10);
 384                                 if (next == NULL)
 385                                         break;
 386                                 entry = next;
 387                         }
 388                 }
 389
 390                 /* Parse WRED inverse mark probabilities */
 391                 rte_snprintf(str, sizeof(str), "tc %d wred inv prob", j);
 392                 entry = cfg_get_entry(cfg, "red", str);
 393                 if (entry) {
 394                         char *next;
 395                         int k;
 396                         /* for each packet colour (green, yellow, red) */
 397                         for (k = 0; k < e_RTE_METER_COLORS; k++) {
 398                                 port_params->red_params[j][k].maxp_inv
 399                                         = (uint8_t)strtol(entry, &next, 10);
 400
 401                                 if (next == NULL)
 402                                         break;
 403                                 entry = next;
 404                         }
 405                 }
 406
 407                 /* Parse WRED EWMA filter weights */
 408                 rte_snprintf(str, sizeof(str), "tc %d wred weight", j);
 409                 entry = cfg_get_entry(cfg, "red", str);
 410                 if (entry) {
 411                         char *next;
 412                         int k;
 413                         /* for each packet colour (green, yellow, red) */
 414                         for (k = 0; k < e_RTE_METER_COLORS; k++) {
 415                                 port_params->red_params[j][k].wq_log2
 416                                         = (uint8_t)strtol(entry, &next, 10);
 417                                 if (next == NULL)
 418                                         break;
 419                                 entry = next;
 420                         }
 421                 }
 422         }
 423 #endif /* RTE_SCHED_RED */
 424
 425         return 0;
 426 }
 427
 428 int
 429 cfg_load_pipe(struct cfg_file *cfg, struct rte_sched_pipe_params *pipe_params)
 430 {
 431         int i, j;
 432         char *next;
 433         const char *entry;
 434         int profiles;
 435
 436         if (!cfg || !pipe_params)
 437                 return -1;
 438
 439         profiles = cfg_num_sections(cfg, "pipe profile", sizeof("pipe profile") - 1);
 440         port_params.n_pipe_profiles = profiles;
 441
 442         for (j = 0; j < profiles; j++) {
 443                 char pipe_name[32];
 444                 rte_snprintf(pipe_name, sizeof(pipe_name), "pipe profile %d", j);
 445
 446                 entry = cfg_get_entry(cfg, pipe_name, "tb rate");
 447                 if (entry)
 448                         pipe_params[j].tb_rate = (uint32_t)atoi(entry);
 449
 450                 entry = cfg_get_entry(cfg, pipe_name, "tb size");
 451                 if (entry)
 452                         pipe_params[j].tb_size = (uint32_t)atoi(entry);
 453
 454                 entry = cfg_get_entry(cfg, pipe_name, "tc period");
 455                 if (entry)
 456                         pipe_params[j].tc_period = (uint32_t)atoi(entry);
 457
 458                 entry = cfg_get_entry(cfg, pipe_name, "tc 0 rate");
 459                 if (entry)
 460                         pipe_params[j].tc_rate[0] = (uint32_t)atoi(entry);
 461
 462                 entry = cfg_get_entry(cfg, pipe_name, "tc 1 rate");
 463                 if (entry)
 464                         pipe_params[j].tc_rate[1] = (uint32_t)atoi(entry);
 465
 466                 entry = cfg_get_entry(cfg, pipe_name, "tc 2 rate");
 467                 if (entry)
 468                         pipe_params[j].tc_rate[2] = (uint32_t)atoi(entry);
 469
 470                 entry = cfg_get_entry(cfg, pipe_name, "tc 3 rate");
 471                 if (entry)
 472                         pipe_params[j].tc_rate[3] = (uint32_t)atoi(entry);
 473
 474 #ifdef RTE_SCHED_SUBPORT_TC_OV
 475                 entry = cfg_get_entry(cfg, pipe_name, "tc 0 oversubscription weight");
 476                 if (entry)
 477                         pipe_params[j].tc_ov_weight[0] = (uint8_t)atoi(entry);
 478
 479                 entry = cfg_get_entry(cfg, pipe_name, "tc 1 oversubscription weight");
 480                 if (entry)
 481                         pipe_params[j].tc_ov_weight[1] = (uint8_t)atoi(entry);
 482
 483                 entry = cfg_get_entry(cfg, pipe_name, "tc 2 oversubscription weight");
 484                 if (entry)
 485                         pipe_params[j].tc_ov_weight[2] = (uint8_t)atoi(entry);
 486
 487                 entry = cfg_get_entry(cfg, pipe_name, "tc 3 oversubscription weight");
 488                 if (entry)
 489                         pipe_params[j].tc_ov_weight[3] = (uint8_t)atoi(entry);
 490 #endif
 491
 492                 entry = cfg_get_entry(cfg, pipe_name, "tc 0 wrr weights");
 493                 if (entry) {
 494                         for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
 495                                 pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*0 + i] =
 496                                         (uint8_t)strtol(entry, &next, 10);
 497                                 if (next == NULL)
 498                                         break;
 499                                 entry = next;
 500                         }
 501                 }
 502                 entry = cfg_get_entry(cfg, pipe_name, "tc 1 wrr weights");
 503                 if (entry) {
 504                         for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
 505                                 pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*1 + i] =
 506                                         (uint8_t)strtol(entry, &next, 10);
 507                                 if (next == NULL)
 508                                         break;
 509                                 entry = next;
 510                         }
 511                 }
 512                 entry = cfg_get_entry(cfg, pipe_name, "tc 2 wrr weights");
 513                 if (entry) {
 514                         for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
 515                                 pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*2 + i] =
 516                                         (uint8_t)strtol(entry, &next, 10);
 517                                 if (next == NULL)
 518                                         break;
 519                                 entry = next;
 520                         }
 521                 }
 522                 entry = cfg_get_entry(cfg, pipe_name, "tc 3 wrr weights");
 523                 if (entry) {
 524                         for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
 525                                 pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*3 + i] =
 526                                         (uint8_t)strtol(entry, &next, 10);
 527                                 if (next == NULL)
 528                                         break;
 529                                 entry = next;
 530                         }
 531                 }
 532         }
 533         return 0;
 534 }
 535
 536 int
 537 cfg_load_subport(struct cfg_file *cfg, struct rte_sched_subport_params *subport_params)
 538 {
 539         const char *entry;
 540         int i, j, k;
 541
 542         if (!cfg || !subport_params)
 543                 return -1;
 544
 545         memset(app_pipe_to_profile, -1, sizeof(app_pipe_to_profile));
 546
 547         for (i = 0; i < MAX_SCHED_SUBPORTS; i++) {
 548                 char sec_name[CFG_NAME_LEN];
 549                 rte_snprintf(sec_name, sizeof(sec_name), "subport %d", i);
 550
 551                 if (cfg_has_section(cfg, sec_name)) {
 552                         entry = cfg_get_entry(cfg, sec_name, "tb rate");
 553                         if (entry)
 554                                 subport_params[i].tb_rate = (uint32_t)atoi(entry);
 555
 556                         entry = cfg_get_entry(cfg, sec_name, "tb size");
 557                         if (entry)
 558                                 subport_params[i].tb_size = (uint32_t)atoi(entry);
 559
 560                         entry = cfg_get_entry(cfg, sec_name, "tc period");
 561                         if (entry)
 562                                 subport_params[i].tc_period = (uint32_t)atoi(entry);
 563
 564 #ifdef RTE_SCHED_SUBPORT_TC_OV
 565                         entry = cfg_get_entry(cfg, sec_name, "tc oversubscription period");
 566                         if (entry)
 567                                 subport_params[i].tc_ov_period = (uint32_t)atoi(entry);
 568 #endif
 569
 570                         entry = cfg_get_entry(cfg, sec_name, "tc 0 rate");
 571                         if (entry)
 572                                 subport_params[i].tc_rate[0] = (uint32_t)atoi(entry);
 573
 574                         entry = cfg_get_entry(cfg, sec_name, "tc 1 rate");
 575                         if (entry)
 576                                 subport_params[i].tc_rate[1] = (uint32_t)atoi(entry);
 577
 578                         entry = cfg_get_entry(cfg, sec_name, "tc 2 rate");
 579                         if (entry)
 580                                 subport_params[i].tc_rate[2] = (uint32_t)atoi(entry);
 581
 582                         entry = cfg_get_entry(cfg, sec_name, "tc 3 rate");
 583                         if (entry)
 584                                 subport_params[i].tc_rate[3] = (uint32_t)atoi(entry);
 585
 586                         int n_entries = cfg_section_num_entries(cfg, sec_name);
 587                         struct cfg_entry entries[n_entries];
 588
 589                         cfg_section_entries(cfg, sec_name, entries, n_entries);
 590
 591                         for (j = 0; j < n_entries; j++) {
 592                                 if (strncmp("pipe", entries[j].name, sizeof("pipe") - 1) == 0) {
 593                                         int profile;
 594                                         char *tokens[2] = {NULL, NULL};
 595                                         int n_tokens;
 596                                         int begin, end;
 597
 598                                         profile = atoi(entries[j].value);
 599                                         n_tokens = rte_strsplit(&entries[j].name[sizeof("pipe")],
 600                                                         strnlen(entries[j].name, CFG_NAME_LEN), tokens, 2, '-');
 601
 602                                         begin =  atoi(tokens[0]);
 603                                         if (n_tokens == 2)
 604                                                 end = atoi(tokens[1]);
 605                                         else
 606                                                 end = begin;
 607
 608                                         if (end >= MAX_SCHED_PIPES || begin > end)
 609                                                 return -1;
 610
 611                                         for (k = begin; k <= end; k++) {
 612                                                 char profile_name[CFG_NAME_LEN];
 613
 614                                                 rte_snprintf(profile_name, sizeof(profile_name),
 615                                                                 "pipe profile %d", profile);
 616                                                 if (cfg_has_section(cfg, profile_name))
 617                                                         app_pipe_to_profile[i][k] = profile;
 618                                                 else
 619                                                         rte_exit(EXIT_FAILURE, "Wrong pipe profile %s\n",
 620                                                                         entries[j].value);
 621
 622                                         }
 623                                 }
 624                         }
 625                 }
 626         }
 627
 628         return 0;
 629 }
 630
 631