VNFs/DPPD-PROX/prox_args.c

   1 /*
   2 // Copyright (c) 2010-2017 Intel Corporation
   3 //
   4 // Licensed under the Apache License, Version 2.0 (the "License");
   5 // you may not use this file except in compliance with the License.
   6 // You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15 */
  16
  17 #include <unistd.h>
  18 #include <string.h>
  19
  20 #include <rte_sched.h>
  21 #include <rte_string_fns.h>
  22 #include <rte_version.h>
  23
  24 #include "prox_malloc.h"
  25 #include "version.h"
  26 #include "defines.h"
  27 #include "prox_args.h"
  28 #include "prox_assert.h"
  29 #include "prox_cfg.h"
  30 #include "cfgfile.h"
  31 #include "quit.h"
  32 #include "log.h"
  33 #include "parse_utils.h"
  34 #include "prox_port_cfg.h"
  35 #include "defaults.h"
  36 #include "prox_lua.h"
  37 #include "cqm.h"
  38
  39 #define MAX_RTE_ARGV 64
  40 #define MAX_ARG_LEN  64
  41
  42 struct cfg_depr {
  43         const char *opt;
  44         const char *info;
  45 };
  46
  47 /* Helper macro */
  48 #define STR_EQ(s1, s2)  (!strcmp((s1), (s2)))
  49
  50 /* configuration files support */
  51 static int get_rte_cfg(unsigned sindex, char *str, void *data);
  52 static int get_global_cfg(unsigned sindex, char *str, void *data);
  53 static int get_port_cfg(unsigned sindex, char *str, void *data);
  54 static int get_defaults_cfg(unsigned sindex, char *str, void *data);
  55 static int get_cache_set_cfg(unsigned sindex, char *str, void *data);
  56 static int get_var_cfg(unsigned sindex, char *str, void *data);
  57 static int get_lua_cfg(unsigned sindex, char *str, void *data);
  58 static int get_core_cfg(unsigned sindex, char *str, void *data);
  59
  60 static const char *cfg_file = DEFAULT_CONFIG_FILE;
  61 static struct rte_cfg    rte_cfg;
  62 struct prox_cache_set_cfg  prox_cache_set_cfg[PROX_MAX_CACHE_SET];
  63
  64 static char format_err_str[1024];
  65 static const char *err_str = "Unknown error";
  66
  67 static struct cfg_section eal_default_cfg = {
  68         .name   = "eal options",
  69         .parser = get_rte_cfg,
  70         .data   = &rte_cfg,
  71         .indexp[0]  = 0,
  72         .nbindex = 1,
  73         .error  = 0
  74 };
  75
  76 static struct cfg_section port_cfg = {
  77         .name   = "port #",
  78         .parser = get_port_cfg,
  79         .data   = &prox_port_cfg,
  80         .indexp[0]  = 0,
  81         .nbindex = 1,
  82         .error  = 0
  83 };
  84
  85 static struct cfg_section var_cfg = {
  86         .name   = "variables",
  87         .parser = get_var_cfg,
  88         .data   = 0,
  89         .indexp[0]  = 0,
  90         .nbindex = 1,
  91         .error  = 0
  92 };
  93
  94 static struct cfg_section cache_set_cfg = {
  95         .name   = "cache set #",
  96         .parser = get_cache_set_cfg,
  97         .data   = &prox_cache_set_cfg,
  98         .indexp[0]  = 0,
  99         .nbindex = 1,
 100         .error  = 0
 101 };
 102
 103 static struct cfg_section defaults_cfg = {
 104         .name   = "defaults",
 105         .parser = get_defaults_cfg,
 106         .data   = 0,
 107         .indexp[0]  = 0,
 108         .nbindex = 1,
 109         .error  = 0
 110 };
 111
 112 static struct cfg_section settings_cfg = {
 113         .name   = "global",
 114         .parser = get_global_cfg,
 115         .data   = &prox_cfg,
 116         .indexp[0]  = 0,
 117         .nbindex = 1,
 118         .error  = 0
 119 };
 120
 121 static struct cfg_section lua_cfg = {
 122         .name = "lua",
 123         .parser = get_lua_cfg,
 124         .raw_lines = 1,
 125         .indexp[0] = 0,
 126         .nbindex = 1,
 127         .error = 0,
 128 };
 129
 130 static struct cfg_section core_cfg = {
 131         .name   = "core #",
 132         .parser = get_core_cfg,
 133         .data   = lcore_cfg_init,
 134         .indexp[0]  = 0,
 135         .nbindex = 1,
 136         .error  = 0
 137 };
 138
 139 static void set_errf(const char *format, ...)
 140 {
 141         va_list ap;
 142         va_start(ap, format);
 143         vsnprintf(format_err_str, sizeof(format_err_str), format, ap);
 144         va_end(ap);
 145         err_str = format_err_str;
 146 }
 147
 148 /* [eal options] parser */
 149 static int get_rte_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 150 {
 151         struct rte_cfg *pconfig = (struct rte_cfg *)data;
 152
 153         if (str == NULL || pconfig == NULL) {
 154                 return -1;
 155         }
 156
 157         char *pkey = get_cfg_key(str);
 158         if (pkey == NULL) {
 159                 set_errf("Missing key after option");
 160                 return -1;
 161         }
 162
 163         if (STR_EQ(str, "-m")) {
 164                 return parse_int(&pconfig->memory, pkey);
 165         }
 166         if (STR_EQ(str, "-n")) {
 167                 if (parse_int(&pconfig->force_nchannel, pkey)) {
 168                         return -1;
 169                 }
 170                 if (pconfig->force_nchannel == 0) {
 171                         set_errf("Invalid number of memory channels");
 172                         return -1;
 173                 }
 174                 return 0;
 175         }
 176         if (STR_EQ(str, "-r")) {
 177                 if (parse_int(&pconfig->force_nrank, pkey)) {
 178                         return -1;
 179                 }
 180                 if (pconfig->force_nrank == 0 || pconfig->force_nrank > 16) {
 181                         set_errf("Invalid number of memory ranks");
 182                         return -1;
 183                 }
 184                 return 0;
 185         }
 186         /* debug options */
 187         if (STR_EQ(str, "no-pci")) {
 188                 return parse_bool(&pconfig->no_pci, pkey);
 189         }
 190         if (STR_EQ(str, "no-hpet")) {
 191                 return parse_bool(&pconfig->no_hpet, pkey);
 192         }
 193         if (STR_EQ(str, "no-shconf")) {
 194                 return parse_bool(&pconfig->no_shconf, pkey);
 195         }
 196         if (STR_EQ(str, "no-huge")) {
 197                 return parse_bool(&pconfig->no_hugetlbfs, pkey);
 198         }
 199         if (STR_EQ(str, "no-output")) {
 200                 return parse_bool(&pconfig->no_output, pkey);
 201         }
 202
 203         if (STR_EQ(str, "huge-dir")) {
 204                 if (pconfig->hugedir) {
 205                         free(pconfig->hugedir);
 206                 }
 207                 pconfig->hugedir = strdup(pkey);
 208                 return 0;
 209         }
 210
 211         if (STR_EQ(str, "eal")) {
 212                 char eal[MAX_STR_LEN_PROC];
 213                 if (pconfig->eal) {
 214                         free(pconfig->eal);
 215                         pconfig->eal = NULL;
 216                 }
 217                 if (parse_str(eal, pkey, sizeof(eal)))
 218                         return -1;
 219                 pkey = eal;
 220                 strip_spaces(&pkey, 1);
 221                 if (*pkey)
 222                         pconfig->eal = strdup(pkey);
 223                 return 0;
 224         }
 225
 226         set_errf("Option '%s' is not known", str);
 227         return -1;
 228 }
 229
 230 struct cfg_depr global_cfg_depr[] = {
 231         {"virtualization", "This is now set automatically if needed"},
 232         {"qinq_tag", "This option is deprecated"},
 233         {"wait on quit", "This is now set automatically if needed"},
 234         {"version", ""}
 235 };
 236
 237 const char *get_cfg_dir(void)
 238 {
 239         static char dir[PATH_MAX];
 240         size_t end = strlen(cfg_file) - 1;
 241         while (end > 0 && cfg_file[end] != '/')
 242                 end--;
 243
 244         strncpy(dir, cfg_file, end);
 245         return dir;
 246 }
 247
 248 static int get_lua_cfg(__attribute__((unused)) unsigned sindex, __attribute__((unused)) char *str, __attribute__((unused)) void *data)
 249 {
 250         int status;
 251         char cwd[1024];
 252         if (NULL == getcwd(cwd, sizeof(cwd))) {
 253                 set_errf("Failed to get current directory while loading Lua file\n");
 254                 return -1;
 255         }
 256         status = chdir(get_cfg_dir());
 257         if (status) {
 258                 set_errf("Failed to change directory to '%s' while loading Lua file\n", get_cfg_dir());
 259                 return -1;
 260         }
 261
 262         struct lua_State *l = prox_lua();
 263
 264         char str_cpy[1024];
 265         strncpy(str_cpy, str, sizeof(str_cpy));
 266         uint32_t len = strlen(str_cpy);
 267         str_cpy[len++] = '\n';
 268         str_cpy[len++] = 0;
 269
 270         status = luaL_loadstring(l, str_cpy);
 271         if (status) {
 272                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 273                 status = chdir(cwd);
 274                 return -1;
 275         }
 276
 277         status = lua_pcall(l, 0, LUA_MULTRET, 0);
 278         if (status) {
 279                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 280                 status = chdir(cwd);
 281                 return -1;
 282         }
 283
 284         status = chdir(cwd);
 285         if (status) {
 286                 set_errf("Failed to restore current directory to '%s' while loading Lua file\n", cwd);
 287                 return -1;
 288         }
 289
 290         return 0;
 291 }
 292
 293 /* [global] parser */
 294 static int get_global_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 295 {
 296         struct prox_cfg *pset = (struct prox_cfg *)data;
 297
 298         if (str == NULL || pset == NULL) {
 299                 return -1;
 300         }
 301
 302         char *pkey = get_cfg_key(str);
 303         if (pkey == NULL) {
 304                 set_errf("Missing key after option");
 305                 return -1;
 306         }
 307
 308         for (uint32_t i = 0; i < RTE_DIM(global_cfg_depr); ++i) {
 309                 if (STR_EQ(str, global_cfg_depr[i].opt)) {
 310                         set_errf("Option '%s' is deprecated%s%s",
 311                                  global_cfg_depr[i].opt, strlen(global_cfg_depr[i].info)? ": ": "", global_cfg_depr[i].info);
 312                         return -1;
 313                 }
 314         }
 315
 316         if (STR_EQ(str, "name")) {
 317                 return parse_str(pset->name, pkey, sizeof(pset->name));
 318         }
 319
 320         if (STR_EQ(str, "start time")) {
 321                 return parse_int(&pset->start_time, pkey);
 322         }
 323
 324         if (STR_EQ(str, "duration time")) {
 325                 return parse_int(&pset->duration_time, pkey);
 326         }
 327
 328         if (STR_EQ(str, "shuffle")) {
 329                 return parse_flag(&pset->flags, DSF_SHUFFLE, pkey);
 330         }
 331         if (STR_EQ(str, "disable cmt")) {
 332                 return parse_flag(&pset->flags, DSF_DISABLE_CMT, pkey);
 333         }
 334         if (STR_EQ(str, "mp rings")) {
 335                 return parse_flag(&pset->flags, DSF_MP_RINGS, pkey);
 336         }
 337         if (STR_EQ(str, "enable bypass")) {
 338                 return parse_flag(&pset->flags, DSF_ENABLE_BYPASS, pkey);
 339         }
 340
 341         if (STR_EQ(str, "cpe table map")) {
 342                 /* The config defined ports through 0, 1, 2 ... which
 343                    need to be associated with ports. This is done
 344                    through defining it using "cpe table map=" */
 345                 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
 346         }
 347
 348         if (STR_EQ(str, "pre cmd")) {
 349                 return system(pkey);
 350         }
 351
 352         if (STR_EQ(str, "unique mempool per socket")) {
 353                 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
 354         }
 355
 356         if (STR_EQ(str, "log buffer size")) {
 357                 if (parse_kmg(&pset->logbuf_size, pkey)) {
 358                         return -1;
 359                 }
 360                 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
 361                 return 0;
 362         }
 363
 364         set_errf("Option '%s' is not known", str);
 365         return -1;
 366 }
 367
 368 /* [variable] parser */
 369 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 370 {
 371         return add_var(str, get_cfg_key(str), 0);
 372 }
 373
 374 /* [defaults] parser */
 375 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 376 {
 377         uint32_t val;
 378         char *pkey;
 379
 380         pkey = get_cfg_key(str);
 381         if (pkey == NULL) {
 382                 set_errf("Missing key after option");
 383                 return -1;
 384         }
 385
 386         if (STR_EQ(str, "mempool size")) {
 387
 388                 if (parse_kmg(&val, pkey)) {
 389                         return -1;
 390                 }
 391
 392                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 393                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 394                         cur_lcore_cfg_init->id = lcore_id;
 395                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 396                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 397                                 targ->nb_mbuf = val;
 398                                 targ->id = task_id;
 399                         }
 400                 }
 401                 return 0;
 402         }
 403
 404         if (STR_EQ(str, "qinq tag")) {
 405                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 406                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 407                         cur_lcore_cfg_init->id = lcore_id;
 408                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 409                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 410                                 parse_int(&targ->qinq_tag, pkey);
 411                         }
 412                 }
 413                 return 0;
 414         }
 415         if (STR_EQ(str, "memcache size")) {
 416
 417                 if (parse_kmg(&val, pkey)) {
 418                         return -1;
 419                 }
 420
 421                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 422                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 423                         cur_lcore_cfg_init->id = lcore_id;
 424                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 425                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 426                                 targ->nb_cache_mbuf = val;
 427                         }
 428                 }
 429                 return 0;
 430         }
 431
 432         set_errf("Option '%s' is not known", str);
 433         return -1;
 434 }
 435
 436 /* [cache set] parser */
 437 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
 438 {
 439         struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
 440
 441         uint8_t cur_if = sindex & ~CFG_INDEXED;
 442
 443         if (cur_if >= PROX_MAX_CACHE_SET) {
 444                 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
 445                 return -1;
 446         }
 447
 448         cfg = &prox_cache_set_cfg[cur_if];
 449
 450         if (str == NULL || data == NULL) {
 451                 return -1;
 452         }
 453
 454         char *pkey = get_cfg_key(str);
 455
 456         if (pkey == NULL) {
 457                 set_errf("Missing key after option");
 458                 return -1;
 459         }
 460
 461         if (STR_EQ(str, "mask")) {
 462                 uint32_t val;
 463                 int err = parse_int(&val, pkey);
 464                 if (err) {
 465                         return -1;
 466                 }
 467                 cfg->mask = val;
 468                 cfg->socket_id = -1;
 469                 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
 470                 return 0;
 471         }
 472         return 0;
 473 }
 474
 475 /* [port] parser */
 476 static int get_port_cfg(unsigned sindex, char *str, void *data)
 477 {
 478         struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
 479
 480         uint8_t cur_if = sindex & ~CFG_INDEXED;
 481
 482         if (cur_if >= PROX_MAX_PORTS) {
 483                 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
 484                 return -1;
 485         }
 486
 487         cfg = &prox_port_cfg[cur_if];
 488
 489         if (str == NULL || data == NULL) {
 490                 return -1;
 491         }
 492
 493         char *pkey = get_cfg_key(str);
 494
 495         if (pkey == NULL) {
 496                 set_errf("Missing key after option");
 497                 return -1;
 498         }
 499
 500         if (STR_EQ(str, "mac")) {
 501                 if (STR_EQ(pkey, "hardware")) {
 502                         cfg->type = PROX_PORT_MAC_HW;
 503                 }
 504                 else if (STR_EQ(pkey, "random")) {
 505                         cfg->type = PROX_PORT_MAC_RAND;
 506                 }
 507                 else {
 508                         cfg->type = PROX_PORT_MAC_SET;
 509                         if (parse_mac(&cfg->eth_addr, pkey)) {
 510                                 return -1;
 511                         }
 512                 }
 513         }
 514         else if (STR_EQ(str, "name")) {
 515                 uint32_t val;
 516                 strncpy(cfg->name, pkey, MAX_NAME_SIZE);
 517                 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
 518                 return add_port_name(cur_if, pkey);
 519         }
 520         else if (STR_EQ(str, "rx desc")) {
 521                 return parse_int(&cfg->n_rxd, pkey);
 522         }
 523         else if (STR_EQ(str, "tx desc")) {
 524                 return parse_int(&cfg->n_txd, pkey);
 525         }
 526         else if (STR_EQ(str, "promiscuous")) {
 527                 uint32_t val;
 528                 if (parse_bool(&val, pkey)) {
 529                         return -1;
 530                 }
 531                 cfg->promiscuous = val;
 532         }
 533         else if (STR_EQ(str, "lsc")) {
 534                 cfg->lsc_set_explicitely = 1;
 535                 uint32_t val;
 536                 if (parse_bool(&val, pkey)) {
 537                         return -1;
 538                 }
 539                 cfg->lsc_val = val;
 540         }
 541         else if (STR_EQ(str, "strip crc")) {
 542                 uint32_t val;
 543                 if (parse_bool(&val, pkey)) {
 544                         return -1;
 545                 }
 546                 cfg->port_conf.rxmode.hw_strip_crc = val;
 547         }
 548         else if (STR_EQ(str, "rss")) {
 549                 uint32_t val;
 550                 if (parse_bool(&val, pkey)) {
 551                         return -1;
 552                 }
 553                 if (val) {
 554                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 555                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 556                 }
 557         }
 558         else if (STR_EQ(str, "rx_ring")) {
 559                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 560         }
 561         else if (STR_EQ(str, "tx_ring")) {
 562                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 563         }
 564
 565         return 0;
 566 }
 567
 568 static enum police_action str_to_color(const char *str)
 569 {
 570         if (STR_EQ(str, "green"))
 571                 return ACT_GREEN;
 572         if (STR_EQ(str, "yellow"))
 573                 return ACT_YELLOW;
 574         if (STR_EQ(str, "red"))
 575                 return ACT_RED;
 576         if (STR_EQ(str, "drop"))
 577                 return ACT_DROP;
 578         return ACT_INVALID;
 579 }
 580
 581 struct cfg_depr task_cfg_depr[] = {
 582         {"sig", ""},
 583 };
 584
 585 struct cfg_depr core_cfg_depr[] = {
 586         {"do sig", ""},
 587         {"lat", ""},
 588         {"network side", ""},
 589 };
 590
 591 /* [core] parser */
 592 static int get_core_cfg(unsigned sindex, char *str, void *data)
 593 {
 594         char *pkey;
 595         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 596
 597         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 598                 return -1;
 599         }
 600
 601         pkey = get_cfg_key(str);
 602         if (pkey == NULL) {
 603                 set_errf("Missing key after option");
 604                 return -1;
 605         }
 606
 607         uint32_t ncore = sindex & ~CFG_INDEXED;
 608         if (ncore >= RTE_MAX_LCORE) {
 609                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 610                 return -1;
 611         }
 612
 613         lconf = &lconf[ncore];
 614
 615         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 616                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 617                         set_errf("Option '%s' is deprecated%s%s",
 618                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 619                         return -1;
 620                 }
 621         }
 622
 623         char buff[128];
 624         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 625         set_self_var(buff);
 626         if (STR_EQ(str, "task")) {
 627
 628                 uint32_t val;
 629                 if (parse_int(&val, pkey)) {
 630                         return -1;
 631                 }
 632                 if (val >= MAX_TASKS_PER_CORE) {
 633                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 634                         return -1;
 635                 }
 636                 if (val != lconf->n_tasks_all) {
 637                         set_errf("Task ID skipped or defined twice");
 638                         return -1;
 639                 }
 640
 641                 lconf->active_task = val;
 642
 643                 lconf->targs[lconf->active_task].task = lconf->active_task;
 644
 645                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 646                         lconf->n_tasks_all = lconf->active_task + 1;
 647                 }
 648                 return 0;
 649         }
 650
 651         struct task_args *targ = &lconf->targs[lconf->active_task];
 652         if (STR_EQ(str, "tx ports from routing table")) {
 653                 uint32_t vals[PROX_MAX_PORTS];
 654                 uint32_t n_if;
 655                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 656                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 657                         return -1;
 658                 }
 659
 660                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 661                         return -1;
 662                 }
 663
 664                 for (uint8_t i = 0; i < n_if; ++i) {
 665                         targ->tx_port_queue[i].port = vals[i];
 666                         targ->nb_txports++;
 667                 }
 668                 targ->runtime_flags |= TASK_ROUTING;
 669                 return 0;
 670         }
 671         if (STR_EQ(str, "tx ports from cpe table")) {
 672                 uint32_t vals[PROX_MAX_PORTS];
 673                 int n_remap = -1;
 674                 uint32_t ret;
 675                 uint32_t val;
 676                 char* mapping_str = strstr(pkey, " remap=");
 677
 678                 if (mapping_str != NULL) {
 679                         *mapping_str = 0;
 680                         mapping_str += strlen(" remap=");
 681                         n_remap = parse_remap(targ->mapping, mapping_str);
 682                 }
 683
 684                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 685                         return -1;
 686                 }
 687
 688                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 689                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 690                         return -1;
 691                 }
 692
 693                 for (uint8_t i = 0; i < ret; ++i) {
 694                         targ->tx_port_queue[i].port = vals[i];
 695
 696                         /* default mapping this case is port0 -> port0 */
 697                         if (n_remap == -1) {
 698                                 targ->mapping[vals[i]] = i;
 699                         }
 700                 }
 701
 702                 targ->nb_txports = ret;
 703
 704                 return 0;
 705         }
 706         if (STR_EQ(str, "tx cores from routing table")) {
 707                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 708                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 709                         return -1;
 710                 }
 711
 712                 struct core_task_set *cts = &targ->core_task_set[0];
 713
 714                 if (parse_task_set(cts, pkey))
 715                         return -1;
 716
 717                 if (cts->n_elems > MAX_WT_PER_LB) {
 718                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 719                         return -1;
 720                 }
 721
 722                 targ->nb_worker_threads = cts->n_elems;
 723                 targ->nb_txrings = cts->n_elems;
 724
 725                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 726                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 727                         return -1;
 728                 }
 729
 730                 targ->runtime_flags |= TASK_ROUTING;
 731                 return 0;
 732         }
 733         if (STR_EQ(str, "tx cores from cpe table")) {
 734                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 735                 int ret, ret2;
 736                 char *mapping_str;
 737
 738                 mapping_str = strstr(pkey, " remap=");
 739                 if (mapping_str == NULL) {
 740                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 741                         return -1;
 742                 }
 743                 *mapping_str = 0;
 744                 mapping_str += strlen(" remap=");
 745                 ret = parse_remap(targ->mapping, mapping_str);
 746                 if (ret <= 0) {
 747                         return -1;
 748                 }
 749
 750                 struct core_task_set *cts = &targ->core_task_set[0];
 751
 752                 if (parse_task_set(cts, pkey))
 753                         return -1;
 754                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 755                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 756                         return -1;
 757                 }
 758
 759                 targ->nb_txrings = cts->n_elems;
 760
 761                 if (ret != targ->nb_txrings) {
 762                         set_errf("Expecting same number of remaps as cores\n", str);
 763                         return -1;
 764                 }
 765                 return 0;
 766         }
 767
 768         if (STR_EQ(str, "delay ms")) {
 769                 if (targ->delay_us) {
 770                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 771                         return -1;
 772                 }
 773                 uint32_t delay_ms;
 774                 int rc = parse_int(&delay_ms, pkey);
 775                 targ->delay_us = delay_ms * 1000;
 776                 return rc;
 777         }
 778         if (STR_EQ(str, "delay us")) {
 779                 if (targ->delay_us) {
 780                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 781                         return -1;
 782                 }
 783                 return parse_int(&targ->delay_us, pkey);
 784         }
 785         if (STR_EQ(str, "random delay us")) {
 786                 return parse_int(&targ->random_delay_us, pkey);
 787         }
 788         if (STR_EQ(str, "cpe table timeout ms")) {
 789                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 790         }
 791         if (STR_EQ(str, "ctrl path polling frequency")) {
 792                 int rc = parse_int(&targ->ctrl_freq, pkey);
 793                 if (rc == 0) {
 794                         if (targ->ctrl_freq == 0) {
 795                                 set_errf("ctrl frequency must be non null.");
 796                                 return -1;
 797                         }
 798                 }
 799                 return rc;
 800         }
 801
 802         if (STR_EQ(str, "handle arp")) {
 803                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 804         }
 805         if (STR_EQ(str, "fast path handle arp")) {
 806                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 807         }
 808         if (STR_EQ(str, "multiple arp")) {
 809                 return parse_flag(&targ->flags, TASK_MULTIPLE_MAC, pkey);
 810         }
 811
 812         /* Using tx port name, only a _single_ port can be assigned to a task. */
 813         if (STR_EQ(str, "tx port")) {
 814                 if (targ->nb_txports > 0) {
 815                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 816                         return -1;
 817                 }
 818
 819                 uint32_t n_if = 0;
 820                 uint32_t ports[PROX_MAX_PORTS];
 821
 822                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 823                         return -1;
 824                 }
 825
 826                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 827
 828                 for (uint8_t i = 0; i < n_if; ++i) {
 829                         targ->tx_port_queue[i].port = ports[i];
 830                         targ->nb_txports++;
 831                 }
 832
 833                 if (n_if > 1) {
 834                         targ->nb_worker_threads = targ->nb_txports;
 835                 }
 836
 837                 return 0;
 838         }
 839         if (STR_EQ(str, "rx ring")) {
 840                 uint32_t val;
 841                 int err = parse_bool(&val, pkey);
 842                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 843                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 844                         return -1;
 845                 }
 846
 847                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 848         }
 849         if (STR_EQ(str, "private")) {
 850                 return parse_bool(&targ->use_src, pkey);
 851         }
 852         if (STR_EQ(str, "use src ip")) {
 853                 return parse_bool(&targ->use_src, pkey);
 854         }
 855         if (STR_EQ(str, "nat table")) {
 856                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 857         }
 858         if (STR_EQ(str, "rules")) {
 859                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 860         }
 861         if (STR_EQ(str, "route table")) {
 862                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 863         }
 864         if (STR_EQ(str, "dscp")) {
 865                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 866         }
 867         if (STR_EQ(str, "tun_bindings")) {
 868                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 869         }
 870         if (STR_EQ(str, "cpe table")) {
 871                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 872         }
 873         if (STR_EQ(str, "user table")) {
 874                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 875         }
 876         if (STR_EQ(str, "streams")) {
 877                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 878         }
 879         if (STR_EQ(str, "local lpm")) {
 880                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 881         }
 882         if (STR_EQ(str, "drop")) {
 883                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 884         }
 885         if (STR_EQ(str, "loop")) {
 886                 parse_flag(&targ->loop, 1, pkey);
 887                 return parse_flag(&targ->loop, 1, pkey);
 888         }
 889         if (STR_EQ(str, "qinq")) {
 890                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 891         }
 892         if (STR_EQ(str, "bps")) {
 893                 return parse_u64(&targ->rate_bps, pkey);
 894         }
 895         if (STR_EQ(str, "random")) {
 896                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
 897         }
 898         if (STR_EQ(str, "rand_offset")) {
 899                 if (targ->n_rand_str == 0) {
 900                         set_errf("No random defined previously (use random=...)");
 901                         return -1;
 902                 }
 903
 904                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
 905         }
 906         if (STR_EQ(str, "keep src mac")) {
 907                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
 908         }
 909         if (STR_EQ(str, "pcap file")) {
 910                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
 911         }
 912         if (STR_EQ(str, "pkt inline")) {
 913                 char pkey2[MAX_CFG_STRING_LEN];
 914                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
 915                         set_errf("Error while parsing pkt line, too long\n");
 916                         return -1;
 917                 }
 918
 919                 const size_t pkey_len = strlen(pkey2);
 920                 targ->pkt_size = 0;
 921
 922                 for (size_t i = 0; i < pkey_len; ++i) {
 923                         if (pkey2[i] == ' ')
 924                                 continue;
 925
 926                         if (i + 1 == pkey_len) {
 927                                 set_errf("Incomplete byte at character %z", i);
 928                                 return -1;
 929                         }
 930
 931                         uint8_t byte = 0;
 932
 933                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
 934                                 byte = (pkey2[i] - '0') << 4;
 935                         }
 936                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
 937                                 byte = (pkey2[i] - 'a' + 10) << 4;
 938                         }
 939                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
 940                                 byte = (pkey2[i] - 'A' + 10) << 4;
 941                         }
 942                         else {
 943                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
 944                                 return -1;
 945                         }
 946
 947                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
 948                                 byte |= (pkey2[i + 1] - '0');
 949                         }
 950                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
 951                                 byte |= (pkey2[i + 1] - 'a' + 10);
 952                         }
 953                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
 954                                 byte |= (pkey2[i + 1] - 'A' + 10);
 955                         }
 956                         else {
 957                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
 958                                 return -1;
 959                         }
 960                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
 961                                 set_errf("Inline packet definition can't be longer than 1518");
 962                         }
 963
 964                         targ->pkt_inline[targ->pkt_size++] = byte;
 965                         i += 1;
 966                 }
 967
 968                 return 0;
 969         }
 970         if (STR_EQ(str, "accuracy limit nsec")) {
 971                 return parse_int(&targ->accuracy_limit_nsec, pkey);
 972         }
 973         if (STR_EQ(str, "latency bucket size")) {
 974                 return parse_int(&targ->bucket_size, pkey);
 975         }
 976         if (STR_EQ(str, "latency buffer size")) {
 977                 return parse_int(&targ->latency_buffer_size, pkey);
 978         }
 979         if (STR_EQ(str, "accuracy pos")) {
 980                 return parse_int(&targ->accur_pos, pkey);
 981         }
 982         if (STR_EQ(str, "signature")) {
 983                 return parse_int(&targ->sig, pkey);
 984         }
 985         if (STR_EQ(str, "signature pos")) {
 986                 return parse_int(&targ->sig_pos, pkey);
 987         }
 988         if (STR_EQ(str, "lat pos")) {
 989                 targ->lat_enabled = 1;
 990                 return parse_int(&targ->lat_pos, pkey);
 991         }
 992         if (STR_EQ(str, "packet id pos")) {
 993                 return parse_int(&targ->packet_id_pos, pkey);
 994         }
 995         if (STR_EQ(str, "probability")) {
 996                 float probability;
 997                 int rc = parse_float(&probability, pkey);
 998                 if (probability == 0) {
 999                         set_errf("Probability must be != 0\n");
1000                         return -1;
1001                 } else if (probability > 100.0) {
1002                         set_errf("Probability must be < 100\n");
1003                         return -1;
1004                 }
1005                 targ->probability = probability * 10000;
1006                 return rc;
1007         }
1008         if (STR_EQ(str, "concur conn")) {
1009                 return parse_int(&targ->n_concur_conn, pkey);
1010         }
1011         if (STR_EQ(str, "max setup rate")) {
1012                 return parse_int(&targ->max_setup_rate, pkey);
1013         }
1014         if (STR_EQ(str, "pkt size")) {
1015                 return parse_int(&targ->pkt_size, pkey);
1016         }
1017         if (STR_EQ(str, "min bulk size")) {
1018                 return parse_int(&targ->min_bulk_size, pkey);
1019         }
1020         if (STR_EQ(str, "max bulk size")) {
1021                 return parse_int(&targ->max_bulk_size, pkey);
1022         }
1023         if (STR_EQ(str, "rx port")) {
1024                 if (targ->flags & TASK_ARG_RX_RING) {
1025                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1026                         return -1;
1027                 }
1028                 uint32_t vals[PROX_MAX_PORTS];
1029                 uint32_t n_if;
1030
1031                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1032                         return -1;
1033                 }
1034
1035                 for (uint8_t i = 0; i < n_if; ++i) {
1036                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1037                         targ->rx_port_queue[i].port = vals[i];
1038                         targ->nb_rxports++;
1039                 }
1040                 return 0;
1041         }
1042
1043         if (STR_EQ(str, "mode")) {
1044                 /* Check deprecated task modes */
1045                 char mode[255];
1046                 int ret = parse_str(mode, pkey, sizeof(mode));
1047                 if (ret)
1048                         return ret;
1049
1050                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1051                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1052                                 set_errf("Task mode '%s' is deprecated%s%s",
1053                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1054                                 return -1;
1055                         }
1056                 }
1057
1058                 /* master is a special mode that is always needed (cannot be turned off) */
1059                 if (STR_EQ(mode, "master")) {
1060                         prox_cfg.master = ncore;
1061                         targ->mode = MASTER;
1062                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1063                                 set_errf("Master core can only have one task\n");
1064                                 return -1;
1065                         }
1066                         // Initialize number of tasks to 1 for master, even if no task specified
1067                         lconf->n_tasks_all = 1;
1068                         lconf->active_task = 0;
1069                         lconf->targs[lconf->active_task].task = 0;
1070                         struct task_init* task_init = to_task_init(mode, "");
1071                         if (task_init) {
1072                                 targ->mode = task_init->mode;
1073                         }
1074                         targ->task_init = task_init;
1075                         return 0;
1076                 }
1077
1078                 struct task_init* task_init = to_task_init(mode, "");
1079                 if (task_init) {
1080                         targ->mode = task_init->mode;
1081                 }
1082                 else {
1083                         set_errf("Task mode '%s' is invalid", mode);
1084                         tasks_list();
1085                         return -1;
1086                 }
1087                 targ->task_init = task_init;
1088                 return 0;
1089         }
1090         if (STR_EQ(str, "users")) {
1091                 return parse_int(&targ->n_flows, pkey);
1092         }
1093
1094         if (STR_EQ(str, "mark")) {
1095                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1096         }
1097
1098         if (STR_EQ(str, "mark green")) {
1099                 return parse_int(&targ->marking[0], pkey);
1100         }
1101
1102         if (STR_EQ(str, "mark yellow")) {
1103                 return parse_int(&targ->marking[1], pkey);
1104         }
1105
1106         if (STR_EQ(str, "mark red")) {
1107                 return parse_int(&targ->marking[2], pkey);
1108         }
1109
1110         if (STR_EQ(str, "tx cores")) {
1111                 uint8_t dest_task = 0;
1112                 /* if user did not specify, dest_port is left at default (first type) */
1113                 uint8_t dest_proto = 0;
1114                 uint8_t ctrl = CTRL_TYPE_DP;
1115                 char *task_str = strstr(pkey, "proto=");
1116                 if (task_str) {
1117                         task_str += strlen("proto=");
1118
1119                         if (STR_EQ(task_str, "ipv4")) {
1120                                 dest_proto = IPV4;
1121                         }
1122                         else if (STR_EQ(task_str, "arp")) {
1123                                 dest_proto = ARP;
1124                         }
1125                         else if (STR_EQ(task_str, "ipv6")) {
1126                                 dest_proto = IPV6;
1127                         }
1128                         else {
1129                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1130                                 return -1;
1131                         }
1132
1133                 }
1134
1135                 task_str = strstr(pkey, "task=");
1136
1137                 if (task_str) {
1138                         --task_str;
1139                         *task_str = 0;
1140                         task_str++;
1141                         task_str += strlen("task=");
1142                         char *task_str_end = strstr(task_str, " ");
1143                         if (task_str_end) {
1144                                 *task_str_end = 0;
1145                         }
1146                         if (0 == strlen(task_str)) {
1147                                 set_errf("Invalid task= syntax");
1148                                 return -1;
1149                         }
1150
1151                         switch (task_str[strlen(task_str) - 1]) {
1152                         case 'p':
1153                                 ctrl = CTRL_TYPE_PKT;
1154                                 break;
1155                         case 'm':
1156                                 ctrl = CTRL_TYPE_MSG;
1157                                 break;
1158                         case '\n':
1159                         case 0:
1160                                 break;
1161                         default:
1162                                 if (task_str[strlen(task_str) -1] < '0' ||
1163                                     task_str[strlen(task_str) -1] > '9') {
1164                                         set_errf("Unknown ring type %c.\n",
1165                                                  task_str[strlen(task_str) - 1]);
1166                                         return -1;
1167                                 }
1168                         }
1169
1170                         dest_task = atoi(task_str);
1171                         if (dest_task >= MAX_TASKS_PER_CORE) {
1172                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1173                                 return -1;
1174                         }
1175                 }
1176                 else {
1177                         dest_task = 0;
1178                 }
1179
1180                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1181
1182                 if (parse_task_set(cts, pkey))
1183                         return -1;
1184
1185                 if (cts->n_elems > MAX_WT_PER_LB) {
1186                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1187                         return -1;
1188                 }
1189
1190                 targ->nb_worker_threads = cts->n_elems;
1191                 targ->nb_txrings += cts->n_elems;
1192
1193                 return 0;
1194         }
1195         if (STR_EQ(str, "tx crc")) {
1196                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1197         }
1198         if (STR_EQ(str, "ring size")) {
1199                 return parse_int(&targ->ring_size, pkey);
1200         }
1201         if (STR_EQ(str, "mempool size")) {
1202                 return parse_kmg(&targ->nb_mbuf, pkey);
1203         }
1204
1205         else if (STR_EQ(str, "mbuf size")) {
1206                 targ->mbuf_size_set_explicitely = 1;
1207                 return parse_int(&targ->mbuf_size, pkey);
1208         }
1209         if (STR_EQ(str, "memcache size")) {
1210                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1211         }
1212
1213         if (STR_EQ(str, "byte offset")) {
1214                 return parse_int(&targ->byte_offset, pkey);
1215         }
1216
1217         if (STR_EQ(str, "name")) {
1218                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1219         }
1220         /* MPLS configuration */
1221         if (STR_EQ(str, "untag mpls")) {
1222                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1223         }
1224
1225         if (STR_EQ(str, "add mpls")) {
1226                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1227         }
1228
1229         if (STR_EQ(str, "ether type")) {
1230                 return parse_int(&targ->etype, pkey);
1231         }
1232
1233         if (STR_EQ(str, "cache set")) {
1234                 return parse_int(&lconf->cache_set, pkey);
1235         }
1236
1237         if (STR_EQ(str, "sub mode")) {
1238                 const char* mode_str = targ->task_init->mode_str;
1239                 const char *sub_mode_str = pkey;
1240
1241                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1242                 if (!targ->task_init) {
1243                         if (strcmp(sub_mode_str, "l3") != 0) {
1244                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1245                                 return -1;
1246                         }
1247                         targ->task_init = to_task_init(mode_str, "");
1248                         if (!targ->task_init) {
1249                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1250                                 return -1;
1251                         }
1252                 }
1253                 if (strcmp(sub_mode_str, "l3") == 0) {
1254                         prox_cfg.flags |= DSF_CTRL_PLANE_ENABLED;
1255                         targ->task_init->flag_features |= TASK_FEATURE_L3;
1256                         strcpy(targ->task_init->sub_mode_str, "l3");
1257                 }
1258                 return 0;
1259         }
1260
1261         if (STR_EQ(str, "mempool name")) {
1262                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1263         }
1264         if (STR_EQ(str, "dpi engine")) {
1265                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1266         }
1267         if (STR_EQ(str, "dpi engine arg")) {
1268                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1269                                  sizeof(targ->dpi_engine_args[0]));
1270         }
1271         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1272                 if (parse_mac(&targ->edaddr, pkey)) {
1273                         if (STR_EQ(pkey, "no")) {
1274                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1275                                 return 0;
1276                         }
1277                         if (STR_EQ(pkey, "packet") == 0)
1278                                 return -1;
1279                         else
1280                                 return 0;
1281                 }
1282                 targ->flags |= TASK_ARG_DST_MAC_SET;
1283                 return 0;
1284         }
1285         if (STR_EQ(str, "src mac")) {
1286                 if (parse_mac(&targ->esaddr, pkey)) {
1287                         if (STR_EQ(pkey, "no")) {
1288                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1289                                 return 0;
1290                         }
1291                         else if (STR_EQ(pkey, "packet"))
1292                                 return 0;
1293                         else if (STR_EQ(pkey, "packet")) {
1294                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1295                                 return 0;
1296                         } else {
1297                                 return -1;
1298                         }
1299                 }
1300                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1301                 return 0;
1302         }
1303         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1304                 return parse_ip(&targ->gateway_ipv4, pkey);
1305         }
1306         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1307                 return parse_ip(&targ->local_ipv4, pkey);
1308         }
1309         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1310                 return parse_ip(&targ->remote_ipv4, pkey);
1311         }
1312         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1313                 return parse_ip6(&targ->local_ipv6, pkey);
1314         }
1315         if (STR_EQ(str, "number of packets"))
1316                 return parse_int(&targ->n_pkts, pkey);
1317         if (STR_EQ(str, "pipes")) {
1318                 uint32_t val;
1319                 int err = parse_int(&val, pkey);
1320                 if (err)
1321                         return -1;
1322                 if (!val || !rte_is_power_of_2(val)) {
1323                         set_errf("Number of pipes has to be power of 2 and not zero");
1324                         return -1;
1325                 }
1326
1327                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1328                 return 0;
1329         }
1330         if (STR_EQ(str, "queue size")) {
1331                 uint32_t val;
1332                 int err = parse_int(&val, pkey);
1333                 if (err) {
1334                         return -1;
1335                 }
1336
1337                 targ->qos_conf.port_params.qsize[0] = val;
1338                 targ->qos_conf.port_params.qsize[1] = val;
1339                 targ->qos_conf.port_params.qsize[2] = val;
1340                 targ->qos_conf.port_params.qsize[3] = val;
1341                 return 0;
1342         }
1343         if (STR_EQ(str, "subport tb rate")) {
1344                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1345         }
1346         if (STR_EQ(str, "subport tb size")) {
1347                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1348         }
1349         if (STR_EQ(str, "subport tc 0 rate")) {
1350                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1351         }
1352         if (STR_EQ(str, "subport tc 1 rate")) {
1353                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1354         }
1355         if (STR_EQ(str, "subport tc 2 rate")) {
1356                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1357         }
1358         if (STR_EQ(str, "subport tc 3 rate")) {
1359                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1360         }
1361
1362         if (STR_EQ(str, "subport tc rate")) {
1363                 uint32_t val;
1364                 int err = parse_int(&val, pkey);
1365                 if (err) {
1366                         return -1;
1367                 }
1368
1369                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1370                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1371                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1372                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1373
1374                 return 0;
1375         }
1376         if (STR_EQ(str, "subport tc period")) {
1377                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1378         }
1379         if (STR_EQ(str, "pipe tb rate")) {
1380                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1381         }
1382         if (STR_EQ(str, "pipe tb size")) {
1383                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1384         }
1385         if (STR_EQ(str, "pipe tc rate")) {
1386                 uint32_t val;
1387                 int err = parse_int(&val, pkey);
1388                 if (err) {
1389                         return -1;
1390                 }
1391
1392                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1393                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1394                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1395                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1396                 return 0;
1397         }
1398         if (STR_EQ(str, "pipe tc 0 rate")) {
1399                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1400         }
1401         if (STR_EQ(str, "pipe tc 1 rate")) {
1402                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1403         }
1404         if (STR_EQ(str, "pipe tc 2 rate")) {
1405                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1406         }
1407         if (STR_EQ(str, "pipe tc 3 rate")) {
1408                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1409         }
1410         if (STR_EQ(str, "pipe tc period")) {
1411                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1412         }
1413         if (STR_EQ(str, "police action")) {
1414                 char *in = strstr(pkey, " io=");
1415                 if (in == NULL) {
1416                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1417                         return -1;
1418                 }
1419                 *in = 0;
1420                 in += strlen(" io=");
1421
1422                 char *out = strstr(in, ",");
1423                 if (out == NULL) {
1424                         set_errf("Output color not specified\n");
1425                 }
1426                 *out = 0;
1427                 out++;
1428
1429                 enum police_action in_color = str_to_color(in);
1430                 enum police_action out_color = str_to_color(out);
1431
1432                 if (in_color == ACT_INVALID) {
1433                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1434                         return -1;
1435                 }
1436                 if (out_color == ACT_INVALID) {
1437                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1438                         return -1;
1439                 }
1440                 enum police_action action = str_to_color(pkey);
1441                 if (action == ACT_INVALID) {
1442                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1443                         return -1;
1444                 }
1445                 targ->police_act[in_color][out_color] = action;
1446
1447                 return 0;
1448         }
1449         if (STR_EQ(str, "qinq tag")) {
1450                 return parse_int(&targ->qinq_tag, pkey);
1451         }
1452         if (STR_EQ(str, "cir")) {
1453                 return parse_int(&targ->cir, pkey);
1454         }
1455         if (STR_EQ(str, "cbs")) {
1456                 return parse_int(&targ->cbs, pkey);
1457         }
1458         if (STR_EQ(str, "pir")) {
1459                 return parse_int(&targ->pir, pkey);
1460         }
1461         if (STR_EQ(str, "pbs")) {
1462                 return parse_int(&targ->pbs, pkey);
1463         }
1464         if (STR_EQ(str, "ebs")) {
1465                 return parse_int(&targ->ebs, pkey);
1466         }
1467         uint32_t queue_id = 0;
1468         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1469                 uint32_t val;
1470                 int err = parse_int(&val, pkey);
1471                 if (err) {
1472                         return -1;
1473                 }
1474                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1475                 return 0;
1476         }
1477         if (STR_EQ(str, "classify")) {
1478                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1479                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1480                         return -1;
1481                 }
1482
1483                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1484         }
1485         if (STR_EQ(str, "flow table size")) {
1486                 return parse_int(&targ->flow_table_size, pkey);
1487         }
1488 #ifdef GRE_TP
1489         if (STR_EQ(str, "tbf rate")) {
1490                 return parse_int(&targ->tb_rate, pkey);
1491         }
1492         if (STR_EQ(str, "tbf size")) {
1493                 return parse_int(&targ->tb_size, pkey);
1494         }
1495 #endif
1496         if (STR_EQ(str, "max rules")) {
1497                 return parse_int(&targ->n_max_rules, pkey);
1498         }
1499
1500         if (STR_EQ(str, "tunnel hop limit")) {
1501                 uint32_t val;
1502                 int err = parse_int(&val, pkey);
1503                 if (err) {
1504                         return -1;
1505                 }
1506                 targ->tunnel_hop_limit = val;
1507                 return 0;
1508         }
1509
1510         if (STR_EQ(str, "lookup port mask")) {
1511                 uint32_t val;
1512                 int err = parse_int(&val, pkey);
1513                 if (err) {
1514                         return -1;
1515                 }
1516                 targ->lookup_port_mask = val;
1517                 return 0;
1518         }
1519
1520         set_errf("Option '%s' is not known", str);
1521         /* fail on unknown keys */
1522         return -1;
1523 }
1524
1525 static int str_is_number(const char *in)
1526 {
1527         int dot_once = 0;
1528
1529         for (size_t i = 0; i < strlen(in); ++i) {
1530                 if (!dot_once && in[i] == '.') {
1531                         dot_once = 1;
1532                         continue;
1533                 }
1534
1535                 if (in[i] < '0' || in[i] > '9')
1536                         return 0;
1537         }
1538
1539         return 1;
1540 }
1541
1542 /* command line parameters parsing procedure */
1543 int prox_parse_args(int argc, char **argv)
1544 {
1545         int i, opt, ret;
1546         char *tmp, *tmp2;
1547         char tmp3[64];
1548
1549         /* Default settings */
1550         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1551         prox_cfg.ui = PROX_UI_CURSES;
1552
1553         plog_info("\tCommand line:");
1554         for (i = 0; i < argc; ++i) {
1555                 plog_info(" %s", argv[i]);
1556         }
1557         plog_info("\n");
1558
1559         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1560                 switch (opt) {
1561                 case 'f':
1562                         /* path to config file */
1563                         cfg_file = optarg;
1564                         size_t offset = 0;
1565                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1566                                 if (cfg_file[i] == '/') {
1567                                         offset = i + 1;
1568                                 }
1569                         }
1570
1571                         strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1572                         break;
1573                 case 'v':
1574                         plog_set_lvl(atoi(optarg));
1575                         break;
1576                 case 'l':
1577                         prox_cfg.log_name_pid = 0;
1578                         strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1579                         break;
1580                 case 'p':
1581                         prox_cfg.log_name_pid = 1;
1582                         break;
1583                 case 'k':
1584                         prox_cfg.use_stats_logger = 1;
1585                         break;
1586                 case 'd':
1587                         prox_cfg.flags |= DSF_DAEMON;
1588                         prox_cfg.ui = PROX_UI_NONE;
1589                         break;
1590                 case 'z':
1591                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1592                         prox_cfg.flags |= DSF_CHECK_INIT;
1593                         break;
1594                 case 'n':
1595                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1596                         break;
1597                 case 'r':
1598                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1599                                 return -1;
1600                         strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1601                         break;
1602                 case 'o':
1603                         if (prox_cfg.flags & DSF_DAEMON)
1604                                 break;
1605
1606                         if (!strcmp(optarg, "curses")) {
1607                                 prox_cfg.ui = PROX_UI_CURSES;
1608                         }
1609                         else if (!strcmp(optarg, "cli")) {
1610                                 prox_cfg.ui = PROX_UI_CLI;
1611                         }
1612                         else if (!strcmp(optarg, "none")) {
1613                                 prox_cfg.ui = PROX_UI_NONE;
1614                         }
1615                         else {
1616                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1617                                 return -1;
1618                         }
1619                         break;
1620                 case 'q':
1621                         if (luaL_loadstring(prox_lua(), optarg)) {
1622                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1623                                 return -1;
1624                         }
1625
1626                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1627                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1628                                 return -1;
1629                         }
1630
1631                         break;
1632                 case 'a':
1633                         /* autostart all cores */
1634                         prox_cfg.flags |= DSF_AUTOSTART;
1635                         break;
1636                 case 'e':
1637                         /* don't autostart */
1638                         prox_cfg.flags &= ~DSF_AUTOSTART;
1639                         break;
1640                 case 't':
1641                         prox_cfg.flags |= DSF_LISTEN_TCP;
1642                         break;
1643                 case 'u':
1644                         prox_cfg.flags |= DSF_LISTEN_UDS;
1645                         break;
1646                 case 'm':
1647                         /* list supported task modes and exit */
1648                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1649                         break;
1650                 case 's':
1651                         /* check configuration file syntax and exit */
1652                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1653                         break;
1654                 case 'i':
1655                         /* check initialization sequence and exit */
1656                         prox_cfg.flags |= DSF_CHECK_INIT;
1657                         break;
1658                 case 'w':
1659                         tmp = optarg;
1660                         tmp2 = 0;
1661                         if (strlen(tmp) >= 3 &&
1662                             (tmp2 = strchr(tmp, '='))) {
1663                                 *tmp2 = 0;
1664                                 tmp3[0] = '$';
1665                                 strncpy(tmp3 + 1, tmp, 63);
1666                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1667                                 ret = add_var(tmp3, tmp2 + 1, 1);
1668                                 if (ret == -2) {
1669                                         plog_err("\tFailed to add variable, too many variables defines\n");
1670                                         return -1;
1671                                 }
1672                                 else if(ret == -3) {
1673                                         plog_err("\tFailed to add variable, already defined\n");
1674                                         return -1;
1675                                 }
1676                                 break;
1677                         }
1678                         /* fall-through */
1679                 default:
1680                         plog_err("\tUnknown option\n");
1681                         return -1;
1682                 }
1683         }
1684
1685         /* reset getopt lib for DPDK */
1686         optind = 0;
1687
1688         return 0;
1689 }
1690
1691 static int check_cfg(void)
1692 {
1693         /* Sanity check */
1694 #define RETURN_IF(cond, err)                    \
1695         if (cond) {                             \
1696                 plog_err(err);                  \
1697                 return -1;                      \
1698         };
1699
1700         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1701         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1702
1703 #undef RETURN_IF
1704
1705         return 0;
1706 }
1707
1708 static int calc_tot_rxrings(void)
1709 {
1710         struct lcore_cfg *slconf, *dlconf;
1711         struct task_args *starg, *dtarg;
1712         uint32_t dlcore_id;
1713         uint8_t dtask_id;
1714         struct core_task ct;
1715
1716         dlconf = NULL;
1717         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1718                 dtarg->tot_rxrings = 0;
1719         }
1720
1721         slconf = NULL;
1722         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1723                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1724                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1725                                 ct = starg->core_task_set[idx].core_task[ring_idx];
1726                                 if (!prox_core_active(ct.core, 0)) {
1727                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1728                                                  ct.core, slconf->id, starg->id);
1729                                         return -1;
1730                                 }
1731
1732                                 dlconf = &lcore_cfg_init[ct.core];
1733
1734                                 if (ct.task >= dlconf->n_tasks_all) {
1735                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1736                                         return -1;
1737                                 }
1738
1739                                 dtarg = &dlconf->targs[ct.task];
1740
1741                                 /* Control rings are not relevant at this point. */
1742                                 if (ct.type)
1743                                         continue;
1744
1745                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1746                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
1747                                                  ct.core, ct.task);
1748                                         return -1;
1749                                 }
1750
1751                                 dtarg->tot_rxrings++;
1752                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1753                                         set_errf("Core %u task %u is receiving from too many tasks",
1754                                                  ct.core, ct.task);
1755                                         return -1;
1756                                 }
1757                         }
1758                 }
1759         }
1760
1761         return 0;
1762 }
1763
1764 static void prox_set_core_mask(void)
1765 {
1766         struct lcore_cfg *lconf;
1767
1768         prox_core_clr();
1769         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1770                 lconf = &lcore_cfg_init[lcore_id];
1771                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1772                         prox_core_set_active(lcore_id);
1773                 }
1774         }
1775 }
1776
1777 static int is_using_no_drop(void)
1778 {
1779         uint32_t lcore_id;
1780         struct lcore_cfg *lconf;
1781         struct task_args *targs;
1782
1783         lcore_id = -1;
1784         while(prox_core_next(&lcore_id, 1) == 0) {
1785                 lconf = &lcore_cfg_init[lcore_id];
1786                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1787                         targs = &lconf->targs[task_id];
1788                         if (!(targs->flags & TASK_ARG_DROP))
1789                                 return 1;
1790                 }
1791         }
1792         return 0;
1793 }
1794
1795 int prox_read_config_file(void)
1796 {
1797         set_global_defaults(&prox_cfg);
1798         set_task_defaults(&prox_cfg, lcore_cfg_init);
1799         set_port_defaults();
1800         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1801         struct cfg_file *pcfg = cfg_open(cfg_file);
1802         if (pcfg == NULL) {
1803                 return -1;
1804         }
1805
1806         struct cfg_section* config_sections[] = {
1807                 &lua_cfg          ,
1808                 &var_cfg          ,
1809                 &eal_default_cfg  ,
1810                 &cache_set_cfg    ,
1811                 &port_cfg         ,
1812                 &defaults_cfg     ,
1813                 &settings_cfg     ,
1814                 &core_cfg         ,
1815                 NULL
1816         };
1817
1818         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1819                 const char* name = (*section)->name;
1820                 size_t len = strlen(name);
1821                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1822                 cfg_parse(pcfg, *section);
1823
1824                 if ((*section)->error) {
1825                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1826                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1827                                  strlen(get_parse_err())? get_parse_err() : err_str);
1828                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1829                         return -1;
1830                 }
1831         }
1832
1833         cfg_close(pcfg);
1834
1835         prox_set_core_mask();
1836
1837         if (is_using_no_drop()) {
1838                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1839         }
1840
1841         if (calc_tot_rxrings()) {
1842                 plog_err("Error in configuration: %s\n", err_str);
1843                 return -1;
1844         }
1845
1846         return check_cfg();
1847 }
1848
1849 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1850 {
1851         plog_err("\tError in rte_eal_init()\n");
1852 }
1853
1854 int prox_setup_rte(const char *prog_name)
1855 {
1856         char *rte_argv[MAX_RTE_ARGV];
1857         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1858         char tmp[PROX_CM_STR_LEN];
1859         /* create mask of used cores */
1860         plog_info("=== Setting up RTE EAL ===\n");
1861
1862         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1863                 plog_info("Using dummy cpu topology\n");
1864                 snprintf(tmp, sizeof(tmp), "0x1");
1865         } else {
1866                 prox_core_to_hex(tmp, sizeof(tmp), 0);
1867                 plog_info("\tWorker threads core mask is %s\n", tmp);
1868                 prox_core_to_hex(tmp, sizeof(tmp), 1);
1869                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1870         }
1871
1872         /* fake command line parameters for rte_eal_init() */
1873         int argc = 0;
1874         rte_argv[argc] = strdup(prog_name);
1875         sprintf(rte_arg[++argc], "-c%s", tmp);
1876         rte_argv[argc] = rte_arg[argc];
1877 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1878         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1879                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1880         else
1881                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1882         rte_argv[argc] = rte_arg[argc];
1883 #else
1884         /* For old DPDK versions, the master core had to be the first
1885            core. */
1886         uint32_t first_core = -1;
1887
1888         if (prox_core_next(&first_core, 1) == -1) {
1889                 plog_err("Can't core ID of first core in use\n");
1890                 return -1;
1891         }
1892         if (first_core != prox_cfg.master) {
1893                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1894                 return -1;
1895         }
1896 #endif
1897
1898         if (rte_cfg.memory) {
1899                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1900                 rte_argv[argc] = rte_arg[argc];
1901         }
1902
1903         if (rte_cfg.force_nchannel) {
1904                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1905                 rte_argv[argc] = rte_arg[argc];
1906         }
1907
1908         if (rte_cfg.force_nrank) {
1909                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1910                 rte_argv[argc] = rte_arg[argc];
1911         }
1912
1913         if (rte_cfg.no_hugetlbfs) {
1914                 strcpy(rte_arg[++argc], "--no-huge");
1915                 rte_argv[argc] = rte_arg[argc];
1916         }
1917
1918         if (rte_cfg.no_pci) {
1919                 strcpy(rte_arg[++argc], "--no-pci");
1920                 rte_argv[argc] = rte_arg[argc];
1921         }
1922
1923         if (rte_cfg.no_hpet) {
1924                 strcpy(rte_arg[++argc], "--no-hpet");
1925                 rte_argv[argc] = rte_arg[argc];
1926         }
1927
1928         if (rte_cfg.no_shconf) {
1929                 strcpy(rte_arg[++argc], "--no-shconf");
1930                 rte_argv[argc] = rte_arg[argc];
1931         }
1932
1933         if (rte_cfg.eal != NULL) {
1934                 char *ptr = rte_cfg.eal;
1935                 char *ptr2;
1936                 while (ptr != NULL) {
1937                         while (isspace(*ptr))
1938                                 ptr++;
1939                         ptr2 = ptr;
1940                         ptr = strchr(ptr, ' ');
1941                         if (ptr) {
1942                                 *ptr++ = '\0';
1943                         }
1944                         strcpy(rte_arg[++argc], ptr2);
1945                         rte_argv[argc] = rte_arg[argc];
1946                 }
1947         }
1948
1949         if (rte_cfg.hugedir != NULL) {
1950                 strcpy(rte_arg[++argc], "--huge-dir");
1951                 rte_argv[argc] = rte_arg[argc];
1952                 rte_argv[++argc] = rte_cfg.hugedir;
1953         }
1954
1955         if (rte_cfg.no_output) {
1956                 rte_set_log_level(0);
1957         }
1958         /* init EAL */
1959         plog_info("\tEAL command line:");
1960         if (argc >= MAX_RTE_ARGV) {
1961                 plog_err("too many arguments for EAL\n");
1962                 return -1;
1963         }
1964
1965         for (int h = 0; h <= argc; ++h) {
1966                 plog_info(" %s", rte_argv[h]);
1967         }
1968         plog_info("\n");
1969
1970         rte_set_application_usage_hook(failed_rte_eal_init);
1971         if (rte_eal_init(++argc, rte_argv) < 0) {
1972                 plog_err("\tError in rte_eal_init()\n");
1973                 return -1;
1974         }
1975         plog_info("\tEAL Initialized\n");
1976
1977         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1978                 return 0;
1979
1980         /* check if all active cores are in enabled in DPDK */
1981         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1982                 if (lcore_id == prox_cfg.master) {
1983                         if (!rte_lcore_is_enabled(lcore_id))
1984                                 return -1;
1985                 }
1986                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
1987                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
1988                         return -1;
1989                 }
1990                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
1991                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
1992                         return -1;
1993                 }
1994         }
1995         return 0;
1996 }