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 #include "prox_compat.h"
  39
  40 #define MAX_RTE_ARGV 64
  41 #define MAX_ARG_LEN  64
  42
  43 struct cfg_depr {
  44         const char *opt;
  45         const char *info;
  46 };
  47
  48 /* Helper macro */
  49 #define STR_EQ(s1, s2)  (!strcmp((s1), (s2)))
  50
  51 /* configuration files support */
  52 static int get_rte_cfg(unsigned sindex, char *str, void *data);
  53 static int get_global_cfg(unsigned sindex, char *str, void *data);
  54 static int get_port_cfg(unsigned sindex, char *str, void *data);
  55 static int get_defaults_cfg(unsigned sindex, char *str, void *data);
  56 static int get_cache_set_cfg(unsigned sindex, char *str, void *data);
  57 static int get_var_cfg(unsigned sindex, char *str, void *data);
  58 static int get_lua_cfg(unsigned sindex, char *str, void *data);
  59 static int get_core_cfg(unsigned sindex, char *str, void *data);
  60
  61 static const char *cfg_file = DEFAULT_CONFIG_FILE;
  62 static struct rte_cfg    rte_cfg;
  63 struct prox_cache_set_cfg  prox_cache_set_cfg[PROX_MAX_CACHE_SET];
  64
  65 static char format_err_str[1024];
  66 static const char *err_str = "Unknown error";
  67
  68 static struct cfg_section eal_default_cfg = {
  69         .name   = "eal options",
  70         .parser = get_rte_cfg,
  71         .data   = &rte_cfg,
  72         .indexp[0]  = 0,
  73         .nbindex = 1,
  74         .error  = 0
  75 };
  76
  77 static struct cfg_section port_cfg = {
  78         .name   = "port #",
  79         .parser = get_port_cfg,
  80         .data   = &prox_port_cfg,
  81         .indexp[0]  = 0,
  82         .nbindex = 1,
  83         .error  = 0
  84 };
  85
  86 static struct cfg_section var_cfg = {
  87         .name   = "variables",
  88         .parser = get_var_cfg,
  89         .data   = 0,
  90         .indexp[0]  = 0,
  91         .nbindex = 1,
  92         .error  = 0
  93 };
  94
  95 static struct cfg_section cache_set_cfg = {
  96         .name   = "cache set #",
  97         .parser = get_cache_set_cfg,
  98         .data   = &prox_cache_set_cfg,
  99         .indexp[0]  = 0,
 100         .nbindex = 1,
 101         .error  = 0
 102 };
 103
 104 static struct cfg_section defaults_cfg = {
 105         .name   = "defaults",
 106         .parser = get_defaults_cfg,
 107         .data   = 0,
 108         .indexp[0]  = 0,
 109         .nbindex = 1,
 110         .error  = 0
 111 };
 112
 113 static struct cfg_section settings_cfg = {
 114         .name   = "global",
 115         .parser = get_global_cfg,
 116         .data   = &prox_cfg,
 117         .indexp[0]  = 0,
 118         .nbindex = 1,
 119         .error  = 0
 120 };
 121
 122 static struct cfg_section lua_cfg = {
 123         .name = "lua",
 124         .parser = get_lua_cfg,
 125         .raw_lines = 1,
 126         .indexp[0] = 0,
 127         .nbindex = 1,
 128         .error = 0,
 129 };
 130
 131 static struct cfg_section core_cfg = {
 132         .name   = "core #",
 133         .parser = get_core_cfg,
 134         .data   = lcore_cfg_init,
 135         .indexp[0]  = 0,
 136         .nbindex = 1,
 137         .error  = 0
 138 };
 139
 140 static void set_errf(const char *format, ...)
 141 {
 142         va_list ap;
 143         va_start(ap, format);
 144         vsnprintf(format_err_str, sizeof(format_err_str), format, ap);
 145         va_end(ap);
 146         err_str = format_err_str;
 147 }
 148
 149 /* [eal options] parser */
 150 static int get_rte_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 151 {
 152         struct rte_cfg *pconfig = (struct rte_cfg *)data;
 153
 154         if (str == NULL || pconfig == NULL) {
 155                 return -1;
 156         }
 157
 158         char *pkey = get_cfg_key(str);
 159         if (pkey == NULL) {
 160                 set_errf("Missing key after option");
 161                 return -1;
 162         }
 163
 164         if (STR_EQ(str, "-m")) {
 165                 return parse_int(&pconfig->memory, pkey);
 166         }
 167         if (STR_EQ(str, "-n")) {
 168                 if (parse_int(&pconfig->force_nchannel, pkey)) {
 169                         return -1;
 170                 }
 171                 if (pconfig->force_nchannel == 0) {
 172                         set_errf("Invalid number of memory channels");
 173                         return -1;
 174                 }
 175                 return 0;
 176         }
 177         if (STR_EQ(str, "-r")) {
 178                 if (parse_int(&pconfig->force_nrank, pkey)) {
 179                         return -1;
 180                 }
 181                 if (pconfig->force_nrank == 0 || pconfig->force_nrank > 16) {
 182                         set_errf("Invalid number of memory ranks");
 183                         return -1;
 184                 }
 185                 return 0;
 186         }
 187         /* debug options */
 188         if (STR_EQ(str, "no-pci")) {
 189                 return parse_bool(&pconfig->no_pci, pkey);
 190         }
 191         if (STR_EQ(str, "no-hpet")) {
 192                 return parse_bool(&pconfig->no_hpet, pkey);
 193         }
 194         if (STR_EQ(str, "no-shconf")) {
 195                 return parse_bool(&pconfig->no_shconf, pkey);
 196         }
 197         if (STR_EQ(str, "no-huge")) {
 198                 return parse_bool(&pconfig->no_hugetlbfs, pkey);
 199         }
 200         if (STR_EQ(str, "no-output")) {
 201                 return parse_bool(&pconfig->no_output, pkey);
 202         }
 203
 204         if (STR_EQ(str, "huge-dir")) {
 205                 if (pconfig->hugedir) {
 206                         free(pconfig->hugedir);
 207                 }
 208                 pconfig->hugedir = strdup(pkey);
 209                 return 0;
 210         }
 211
 212         if (STR_EQ(str, "eal")) {
 213                 char eal[MAX_STR_LEN_PROC];
 214                 if (pconfig->eal) {
 215                         free(pconfig->eal);
 216                         pconfig->eal = NULL;
 217                 }
 218                 if (parse_str(eal, pkey, sizeof(eal)))
 219                         return -1;
 220                 pkey = eal;
 221                 strip_spaces(&pkey, 1);
 222                 if (*pkey)
 223                         pconfig->eal = strdup(pkey);
 224                 return 0;
 225         }
 226
 227         set_errf("Option '%s' is not known", str);
 228         return -1;
 229 }
 230
 231 struct cfg_depr global_cfg_depr[] = {
 232         {"virtualization", "This is now set automatically if needed"},
 233         {"qinq_tag", "This option is deprecated"},
 234         {"wait on quit", "This is now set automatically if needed"},
 235         {"version", ""}
 236 };
 237
 238 const char *get_cfg_dir(void)
 239 {
 240         static char dir[PATH_MAX];
 241         size_t end = strlen(cfg_file) - 1;
 242         while (end > 0 && cfg_file[end] != '/')
 243                 end--;
 244
 245         strncpy(dir, cfg_file, end);
 246         return dir;
 247 }
 248
 249 static int get_lua_cfg(__attribute__((unused)) unsigned sindex, __attribute__((unused)) char *str, __attribute__((unused)) void *data)
 250 {
 251         int status;
 252         char cwd[1024];
 253         if (NULL == getcwd(cwd, sizeof(cwd))) {
 254                 set_errf("Failed to get current directory while loading Lua file\n");
 255                 return -1;
 256         }
 257         status = chdir(get_cfg_dir());
 258         if (status) {
 259                 set_errf("Failed to change directory to '%s' while loading Lua file\n", get_cfg_dir());
 260                 return -1;
 261         }
 262
 263         struct lua_State *l = prox_lua();
 264
 265         char str_cpy[1024];
 266         strncpy(str_cpy, str, sizeof(str_cpy));
 267         uint32_t len = strlen(str_cpy);
 268         str_cpy[len++] = '\n';
 269         str_cpy[len++] = 0;
 270
 271         status = luaL_loadstring(l, str_cpy);
 272         if (status) {
 273                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 274                 status = chdir(cwd);
 275                 return -1;
 276         }
 277
 278         status = lua_pcall(l, 0, LUA_MULTRET, 0);
 279         if (status) {
 280                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 281                 status = chdir(cwd);
 282                 return -1;
 283         }
 284
 285         status = chdir(cwd);
 286         if (status) {
 287                 set_errf("Failed to restore current directory to '%s' while loading Lua file\n", cwd);
 288                 return -1;
 289         }
 290
 291         return 0;
 292 }
 293
 294 /* [global] parser */
 295 static int get_global_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 296 {
 297         struct prox_cfg *pset = (struct prox_cfg *)data;
 298
 299         if (str == NULL || pset == NULL) {
 300                 return -1;
 301         }
 302
 303         char *pkey = get_cfg_key(str);
 304         if (pkey == NULL) {
 305                 set_errf("Missing key after option");
 306                 return -1;
 307         }
 308
 309         for (uint32_t i = 0; i < RTE_DIM(global_cfg_depr); ++i) {
 310                 if (STR_EQ(str, global_cfg_depr[i].opt)) {
 311                         set_errf("Option '%s' is deprecated%s%s",
 312                                  global_cfg_depr[i].opt, strlen(global_cfg_depr[i].info)? ": ": "", global_cfg_depr[i].info);
 313                         return -1;
 314                 }
 315         }
 316
 317         if (STR_EQ(str, "name")) {
 318                 return parse_str(pset->name, pkey, sizeof(pset->name));
 319         }
 320
 321         if (STR_EQ(str, "start time")) {
 322                 return parse_int(&pset->start_time, pkey);
 323         }
 324
 325         if (STR_EQ(str, "duration time")) {
 326                 return parse_int(&pset->duration_time, pkey);
 327         }
 328
 329         if (STR_EQ(str, "shuffle")) {
 330                 return parse_flag(&pset->flags, DSF_SHUFFLE, pkey);
 331         }
 332         if (STR_EQ(str, "disable cmt")) {
 333                 return parse_flag(&pset->flags, DSF_DISABLE_CMT, pkey);
 334         }
 335         if (STR_EQ(str, "mp rings")) {
 336                 return parse_flag(&pset->flags, DSF_MP_RINGS, pkey);
 337         }
 338         if (STR_EQ(str, "enable bypass")) {
 339                 return parse_flag(&pset->flags, DSF_ENABLE_BYPASS, pkey);
 340         }
 341
 342         if (STR_EQ(str, "cpe table map")) {
 343                 /* The config defined ports through 0, 1, 2 ... which
 344                    need to be associated with ports. This is done
 345                    through defining it using "cpe table map=" */
 346                 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
 347         }
 348
 349         if (STR_EQ(str, "pre cmd")) {
 350                 return system(pkey);
 351         }
 352
 353         if (STR_EQ(str, "unique mempool per socket")) {
 354                 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
 355         }
 356
 357         if (STR_EQ(str, "log buffer size")) {
 358                 if (parse_kmg(&pset->logbuf_size, pkey)) {
 359                         return -1;
 360                 }
 361                 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
 362                 return 0;
 363         }
 364
 365         set_errf("Option '%s' is not known", str);
 366         return -1;
 367 }
 368
 369 /* [variable] parser */
 370 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 371 {
 372         return add_var(str, get_cfg_key(str), 0);
 373 }
 374
 375 /* [defaults] parser */
 376 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 377 {
 378         uint32_t val;
 379         char *pkey;
 380
 381         pkey = get_cfg_key(str);
 382         if (pkey == NULL) {
 383                 set_errf("Missing key after option");
 384                 return -1;
 385         }
 386
 387         if (STR_EQ(str, "mempool size")) {
 388
 389                 if (parse_kmg(&val, pkey)) {
 390                         return -1;
 391                 }
 392
 393                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 394                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 395                         cur_lcore_cfg_init->id = lcore_id;
 396                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 397                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 398                                 targ->nb_mbuf = val;
 399                                 targ->id = task_id;
 400                         }
 401                 }
 402                 return 0;
 403         }
 404
 405         if (STR_EQ(str, "qinq tag")) {
 406                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 407                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 408                         cur_lcore_cfg_init->id = lcore_id;
 409                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 410                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 411                                 parse_int(&targ->qinq_tag, pkey);
 412                         }
 413                 }
 414                 return 0;
 415         }
 416         if (STR_EQ(str, "memcache size")) {
 417
 418                 if (parse_kmg(&val, pkey)) {
 419                         return -1;
 420                 }
 421
 422                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 423                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 424                         cur_lcore_cfg_init->id = lcore_id;
 425                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 426                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 427                                 targ->nb_cache_mbuf = val;
 428                         }
 429                 }
 430                 return 0;
 431         }
 432
 433         set_errf("Option '%s' is not known", str);
 434         return -1;
 435 }
 436
 437 /* [cache set] parser */
 438 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
 439 {
 440         struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
 441
 442         uint8_t cur_if = sindex & ~CFG_INDEXED;
 443
 444         if (cur_if >= PROX_MAX_CACHE_SET) {
 445                 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
 446                 return -1;
 447         }
 448
 449         cfg = &prox_cache_set_cfg[cur_if];
 450
 451         if (str == NULL || data == NULL) {
 452                 return -1;
 453         }
 454
 455         char *pkey = get_cfg_key(str);
 456
 457         if (pkey == NULL) {
 458                 set_errf("Missing key after option");
 459                 return -1;
 460         }
 461
 462         if (STR_EQ(str, "mask")) {
 463                 uint32_t val;
 464                 int err = parse_int(&val, pkey);
 465                 if (err) {
 466                         return -1;
 467                 }
 468                 cfg->mask = val;
 469                 cfg->socket_id = -1;
 470                 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
 471                 return 0;
 472         }
 473         return 0;
 474 }
 475
 476 /* [port] parser */
 477 static int get_port_cfg(unsigned sindex, char *str, void *data)
 478 {
 479         struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
 480
 481         uint8_t cur_if = sindex & ~CFG_INDEXED;
 482
 483         if (cur_if >= PROX_MAX_PORTS) {
 484                 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
 485                 return -1;
 486         }
 487
 488         cfg = &prox_port_cfg[cur_if];
 489
 490         if (str == NULL || data == NULL) {
 491                 return -1;
 492         }
 493
 494         char *pkey = get_cfg_key(str);
 495
 496         if (pkey == NULL) {
 497                 set_errf("Missing key after option");
 498                 return -1;
 499         }
 500
 501         if (STR_EQ(str, "mac")) {
 502                 if (STR_EQ(pkey, "hardware")) {
 503                         cfg->type = PROX_PORT_MAC_HW;
 504                 }
 505                 else if (STR_EQ(pkey, "random")) {
 506                         cfg->type = PROX_PORT_MAC_RAND;
 507                 }
 508                 else {
 509                         cfg->type = PROX_PORT_MAC_SET;
 510                         if (parse_mac(&cfg->eth_addr, pkey)) {
 511                                 return -1;
 512                         }
 513                 }
 514         }
 515         else if (STR_EQ(str, "name")) {
 516                 uint32_t val;
 517                 strncpy(cfg->name, pkey, MAX_NAME_SIZE);
 518                 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
 519                 return add_port_name(cur_if, pkey);
 520         }
 521         else if (STR_EQ(str, "rx desc")) {
 522                 return parse_int(&cfg->n_rxd, pkey);
 523         }
 524         else if (STR_EQ(str, "tx desc")) {
 525                 return parse_int(&cfg->n_txd, pkey);
 526         }
 527         else if (STR_EQ(str, "promiscuous")) {
 528                 uint32_t val;
 529                 if (parse_bool(&val, pkey)) {
 530                         return -1;
 531                 }
 532                 cfg->promiscuous = val;
 533         }
 534         else if (STR_EQ(str, "lsc")) {
 535                 cfg->lsc_set_explicitely = 1;
 536                 uint32_t val;
 537                 if (parse_bool(&val, pkey)) {
 538                         return -1;
 539                 }
 540                 cfg->lsc_val = val;
 541         }
 542         else if (STR_EQ(str, "strip crc")) {
 543                 uint32_t val;
 544                 if (parse_bool(&val, pkey)) {
 545                         return -1;
 546                 }
 547                 cfg->port_conf.rxmode.hw_strip_crc = val;
 548         }
 549         else if (STR_EQ(str, "mtu size")) {
 550                 uint32_t val;
 551                 if (parse_int(&val, pkey)) {
 552                         return -1;
 553                 }
 554                 if (val) {
 555                         cfg->mtu = val;
 556                         if (cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN > ETHER_MAX_LEN) {
 557                                 cfg->port_conf.rxmode.max_rx_pkt_len = cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN + 2 * PROX_VLAN_TAG_SIZE;
 558                                 cfg->port_conf.rxmode.jumbo_frame = 1;
 559                         }
 560                 }
 561         }
 562
 563         else if (STR_EQ(str, "rss")) {
 564                 uint32_t val;
 565                 if (parse_bool(&val, pkey)) {
 566                         return -1;
 567                 }
 568                 if (val) {
 569                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 570                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 571                 }
 572         }
 573         else if (STR_EQ(str, "rx_ring")) {
 574                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 575         }
 576         else if (STR_EQ(str, "tx_ring")) {
 577                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 578         }
 579
 580         return 0;
 581 }
 582
 583 static enum police_action str_to_color(const char *str)
 584 {
 585         if (STR_EQ(str, "green"))
 586                 return ACT_GREEN;
 587         if (STR_EQ(str, "yellow"))
 588                 return ACT_YELLOW;
 589         if (STR_EQ(str, "red"))
 590                 return ACT_RED;
 591         if (STR_EQ(str, "drop"))
 592                 return ACT_DROP;
 593         return ACT_INVALID;
 594 }
 595
 596 struct cfg_depr task_cfg_depr[] = {
 597         {"sig", ""},
 598 };
 599
 600 struct cfg_depr core_cfg_depr[] = {
 601         {"do sig", ""},
 602         {"lat", ""},
 603         {"network side", ""},
 604 };
 605
 606 /* [core] parser */
 607 static int get_core_cfg(unsigned sindex, char *str, void *data)
 608 {
 609         char *pkey;
 610         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 611
 612         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 613                 return -1;
 614         }
 615
 616         pkey = get_cfg_key(str);
 617         if (pkey == NULL) {
 618                 set_errf("Missing key after option");
 619                 return -1;
 620         }
 621
 622         uint32_t ncore = sindex & ~CFG_INDEXED;
 623         if (ncore >= RTE_MAX_LCORE) {
 624                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 625                 return -1;
 626         }
 627
 628         lconf = &lconf[ncore];
 629
 630         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 631                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 632                         set_errf("Option '%s' is deprecated%s%s",
 633                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 634                         return -1;
 635                 }
 636         }
 637
 638         char buff[128];
 639         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 640         set_self_var(buff);
 641         if (STR_EQ(str, "task")) {
 642
 643                 uint32_t val;
 644                 if (parse_int(&val, pkey)) {
 645                         return -1;
 646                 }
 647                 if (val >= MAX_TASKS_PER_CORE) {
 648                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 649                         return -1;
 650                 }
 651                 if (val != lconf->n_tasks_all) {
 652                         set_errf("Task ID skipped or defined twice");
 653                         return -1;
 654                 }
 655
 656                 lconf->active_task = val;
 657
 658                 lconf->targs[lconf->active_task].task = lconf->active_task;
 659
 660                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 661                         lconf->n_tasks_all = lconf->active_task + 1;
 662                 }
 663                 return 0;
 664         }
 665
 666         struct task_args *targ = &lconf->targs[lconf->active_task];
 667         if (STR_EQ(str, "tx ports from routing table")) {
 668                 uint32_t vals[PROX_MAX_PORTS];
 669                 uint32_t n_if;
 670                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 671                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 672                         return -1;
 673                 }
 674
 675                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 676                         return -1;
 677                 }
 678
 679                 for (uint8_t i = 0; i < n_if; ++i) {
 680                         targ->tx_port_queue[i].port = vals[i];
 681                         targ->nb_txports++;
 682                 }
 683                 targ->runtime_flags |= TASK_ROUTING;
 684                 return 0;
 685         }
 686         if (STR_EQ(str, "tx ports from cpe table")) {
 687                 uint32_t vals[PROX_MAX_PORTS];
 688                 int n_remap = -1;
 689                 uint32_t ret;
 690                 uint32_t val;
 691                 char* mapping_str = strstr(pkey, " remap=");
 692
 693                 if (mapping_str != NULL) {
 694                         *mapping_str = 0;
 695                         mapping_str += strlen(" remap=");
 696                         n_remap = parse_remap(targ->mapping, mapping_str);
 697                 }
 698
 699                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 700                         return -1;
 701                 }
 702
 703                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 704                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 705                         return -1;
 706                 }
 707
 708                 for (uint8_t i = 0; i < ret; ++i) {
 709                         targ->tx_port_queue[i].port = vals[i];
 710
 711                         /* default mapping this case is port0 -> port0 */
 712                         if (n_remap == -1) {
 713                                 targ->mapping[vals[i]] = i;
 714                         }
 715                 }
 716
 717                 targ->nb_txports = ret;
 718
 719                 return 0;
 720         }
 721         if (STR_EQ(str, "tx cores from routing table")) {
 722                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 723                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 724                         return -1;
 725                 }
 726
 727                 struct core_task_set *cts = &targ->core_task_set[0];
 728
 729                 if (parse_task_set(cts, pkey))
 730                         return -1;
 731
 732                 if (cts->n_elems > MAX_WT_PER_LB) {
 733                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 734                         return -1;
 735                 }
 736
 737                 targ->nb_worker_threads = cts->n_elems;
 738                 targ->nb_txrings = cts->n_elems;
 739
 740                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 741                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 742                         return -1;
 743                 }
 744
 745                 targ->runtime_flags |= TASK_ROUTING;
 746                 return 0;
 747         }
 748         if (STR_EQ(str, "tx cores from cpe table")) {
 749                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 750                 int ret, ret2;
 751                 char *mapping_str;
 752
 753                 mapping_str = strstr(pkey, " remap=");
 754                 if (mapping_str == NULL) {
 755                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 756                         return -1;
 757                 }
 758                 *mapping_str = 0;
 759                 mapping_str += strlen(" remap=");
 760                 ret = parse_remap(targ->mapping, mapping_str);
 761                 if (ret <= 0) {
 762                         return -1;
 763                 }
 764
 765                 struct core_task_set *cts = &targ->core_task_set[0];
 766
 767                 if (parse_task_set(cts, pkey))
 768                         return -1;
 769                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 770                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 771                         return -1;
 772                 }
 773
 774                 targ->nb_txrings = cts->n_elems;
 775
 776                 if (ret != targ->nb_txrings) {
 777                         set_errf("Expecting same number of remaps as cores\n", str);
 778                         return -1;
 779                 }
 780                 return 0;
 781         }
 782
 783         if (STR_EQ(str, "delay ms")) {
 784                 if (targ->delay_us) {
 785                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 786                         return -1;
 787                 }
 788                 uint32_t delay_ms;
 789                 int rc = parse_int(&delay_ms, pkey);
 790                 targ->delay_us = delay_ms * 1000;
 791                 return rc;
 792         }
 793         if (STR_EQ(str, "delay us")) {
 794                 if (targ->delay_us) {
 795                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 796                         return -1;
 797                 }
 798                 return parse_int(&targ->delay_us, pkey);
 799         }
 800         if (STR_EQ(str, "random delay us")) {
 801                 return parse_int(&targ->random_delay_us, pkey);
 802         }
 803         if (STR_EQ(str, "cpe table timeout ms")) {
 804                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 805         }
 806         if (STR_EQ(str, "ctrl path polling frequency")) {
 807                 int rc = parse_int(&targ->ctrl_freq, pkey);
 808                 if (rc == 0) {
 809                         if (targ->ctrl_freq == 0) {
 810                                 set_errf("ctrl frequency must be non null.");
 811                                 return -1;
 812                         }
 813                 }
 814                 return rc;
 815         }
 816
 817         if (STR_EQ(str, "handle arp")) {
 818                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 819         }
 820         if (STR_EQ(str, "fast path handle arp")) {
 821                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 822         }
 823         if (STR_EQ(str, "multiple arp")) {
 824                 return parse_flag(&targ->flags, TASK_MULTIPLE_MAC, pkey);
 825         }
 826
 827         /* Using tx port name, only a _single_ port can be assigned to a task. */
 828         if (STR_EQ(str, "tx port")) {
 829                 if (targ->nb_txports > 0) {
 830                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 831                         return -1;
 832                 }
 833
 834                 uint32_t n_if = 0;
 835                 uint32_t ports[PROX_MAX_PORTS];
 836
 837                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 838                         return -1;
 839                 }
 840
 841                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 842
 843                 for (uint8_t i = 0; i < n_if; ++i) {
 844                         targ->tx_port_queue[i].port = ports[i];
 845                         targ->nb_txports++;
 846                 }
 847
 848                 if (n_if > 1) {
 849                         targ->nb_worker_threads = targ->nb_txports;
 850                 }
 851
 852                 return 0;
 853         }
 854         if (STR_EQ(str, "rx ring")) {
 855                 uint32_t val;
 856                 int err = parse_bool(&val, pkey);
 857                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 858                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 859                         return -1;
 860                 }
 861
 862                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 863         }
 864         if (STR_EQ(str, "private")) {
 865                 return parse_bool(&targ->use_src, pkey);
 866         }
 867         if (STR_EQ(str, "use src ip")) {
 868                 return parse_bool(&targ->use_src, pkey);
 869         }
 870         if (STR_EQ(str, "nat table")) {
 871                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 872         }
 873         if (STR_EQ(str, "rules")) {
 874                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 875         }
 876         if (STR_EQ(str, "route table")) {
 877                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 878         }
 879         if (STR_EQ(str, "dscp")) {
 880                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 881         }
 882         if (STR_EQ(str, "tun_bindings")) {
 883                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 884         }
 885         if (STR_EQ(str, "cpe table")) {
 886                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 887         }
 888         if (STR_EQ(str, "user table")) {
 889                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 890         }
 891         if (STR_EQ(str, "streams")) {
 892                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 893         }
 894         if (STR_EQ(str, "local lpm")) {
 895                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 896         }
 897         if (STR_EQ(str, "drop")) {
 898                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 899         }
 900         if (STR_EQ(str, "loop")) {
 901                 parse_flag(&targ->loop, 1, pkey);
 902                 return parse_flag(&targ->loop, 1, pkey);
 903         }
 904         if (STR_EQ(str, "qinq")) {
 905                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 906         }
 907         if (STR_EQ(str, "bps")) {
 908                 return parse_u64(&targ->rate_bps, pkey);
 909         }
 910         if (STR_EQ(str, "random")) {
 911                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
 912         }
 913         if (STR_EQ(str, "rand_offset")) {
 914                 if (targ->n_rand_str == 0) {
 915                         set_errf("No random defined previously (use random=...)");
 916                         return -1;
 917                 }
 918
 919                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
 920         }
 921         if (STR_EQ(str, "keep src mac")) {
 922                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
 923         }
 924         if (STR_EQ(str, "pcap file")) {
 925                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
 926         }
 927         if (STR_EQ(str, "pkt inline")) {
 928                 char pkey2[MAX_CFG_STRING_LEN];
 929                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
 930                         set_errf("Error while parsing pkt line, too long\n");
 931                         return -1;
 932                 }
 933
 934                 const size_t pkey_len = strlen(pkey2);
 935                 targ->pkt_size = 0;
 936
 937                 for (size_t i = 0; i < pkey_len; ++i) {
 938                         if (pkey2[i] == ' ')
 939                                 continue;
 940
 941                         if (i + 1 == pkey_len) {
 942                                 set_errf("Incomplete byte at character %z", i);
 943                                 return -1;
 944                         }
 945
 946                         uint8_t byte = 0;
 947
 948                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
 949                                 byte = (pkey2[i] - '0') << 4;
 950                         }
 951                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
 952                                 byte = (pkey2[i] - 'a' + 10) << 4;
 953                         }
 954                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
 955                                 byte = (pkey2[i] - 'A' + 10) << 4;
 956                         }
 957                         else {
 958                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
 959                                 return -1;
 960                         }
 961
 962                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
 963                                 byte |= (pkey2[i + 1] - '0');
 964                         }
 965                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
 966                                 byte |= (pkey2[i + 1] - 'a' + 10);
 967                         }
 968                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
 969                                 byte |= (pkey2[i + 1] - 'A' + 10);
 970                         }
 971                         else {
 972                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
 973                                 return -1;
 974                         }
 975                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
 976                                 set_errf("Inline packet definition can't be longer than %u", sizeof(targ->pkt_inline));
 977                                 return -1;
 978                         }
 979
 980                         targ->pkt_inline[targ->pkt_size++] = byte;
 981                         i += 1;
 982                 }
 983
 984                 return 0;
 985         }
 986         if (STR_EQ(str, "accuracy limit nsec")) {
 987                 return parse_int(&targ->accuracy_limit_nsec, pkey);
 988         }
 989         if (STR_EQ(str, "latency bucket size")) {
 990                 return parse_int(&targ->bucket_size, pkey);
 991         }
 992         if (STR_EQ(str, "latency buffer size")) {
 993                 return parse_int(&targ->latency_buffer_size, pkey);
 994         }
 995         if (STR_EQ(str, "accuracy pos")) {
 996                 return parse_int(&targ->accur_pos, pkey);
 997         }
 998         if (STR_EQ(str, "signature")) {
 999                 return parse_int(&targ->sig, pkey);
1000         }
1001         if (STR_EQ(str, "signature pos")) {
1002                 return parse_int(&targ->sig_pos, pkey);
1003         }
1004         if (STR_EQ(str, "lat pos")) {
1005                 targ->lat_enabled = 1;
1006                 return parse_int(&targ->lat_pos, pkey);
1007         }
1008         if (STR_EQ(str, "packet id pos")) {
1009                 return parse_int(&targ->packet_id_pos, pkey);
1010         }
1011         if (STR_EQ(str, "probability")) {
1012                 float probability;
1013                 int rc = parse_float(&probability, pkey);
1014                 if (probability == 0) {
1015                         set_errf("Probability must be != 0\n");
1016                         return -1;
1017                 } else if (probability > 100.0) {
1018                         set_errf("Probability must be < 100\n");
1019                         return -1;
1020                 }
1021                 targ->probability = probability * 10000;
1022                 return rc;
1023         }
1024         if (STR_EQ(str, "concur conn")) {
1025                 return parse_int(&targ->n_concur_conn, pkey);
1026         }
1027         if (STR_EQ(str, "max setup rate")) {
1028                 return parse_int(&targ->max_setup_rate, pkey);
1029         }
1030         if (STR_EQ(str, "pkt size")) {
1031                 return parse_int(&targ->pkt_size, pkey);
1032         }
1033         if (STR_EQ(str, "min bulk size")) {
1034                 return parse_int(&targ->min_bulk_size, pkey);
1035         }
1036         if (STR_EQ(str, "max bulk size")) {
1037                 return parse_int(&targ->max_bulk_size, pkey);
1038         }
1039         if (STR_EQ(str, "rx port")) {
1040                 if (targ->flags & TASK_ARG_RX_RING) {
1041                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1042                         return -1;
1043                 }
1044                 uint32_t vals[PROX_MAX_PORTS];
1045                 uint32_t n_if;
1046
1047                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1048                         return -1;
1049                 }
1050
1051                 for (uint8_t i = 0; i < n_if; ++i) {
1052                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1053                         targ->rx_port_queue[i].port = vals[i];
1054                         targ->nb_rxports++;
1055                 }
1056                 return 0;
1057         }
1058
1059         if (STR_EQ(str, "mode")) {
1060                 /* Check deprecated task modes */
1061                 char mode[255];
1062                 int ret = parse_str(mode, pkey, sizeof(mode));
1063                 if (ret)
1064                         return ret;
1065
1066                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1067                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1068                                 set_errf("Task mode '%s' is deprecated%s%s",
1069                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1070                                 return -1;
1071                         }
1072                 }
1073
1074                 /* master is a special mode that is always needed (cannot be turned off) */
1075                 if (STR_EQ(mode, "master")) {
1076                         prox_cfg.master = ncore;
1077                         targ->mode = MASTER;
1078                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1079                                 set_errf("Master core can only have one task\n");
1080                                 return -1;
1081                         }
1082                         // Initialize number of tasks to 1 for master, even if no task specified
1083                         lconf->n_tasks_all = 1;
1084                         lconf->active_task = 0;
1085                         lconf->targs[lconf->active_task].task = 0;
1086                         struct task_init* task_init = to_task_init(mode, "");
1087                         if (task_init) {
1088                                 targ->mode = task_init->mode;
1089                         }
1090                         targ->task_init = task_init;
1091                         return 0;
1092                 }
1093
1094                 struct task_init* task_init = to_task_init(mode, "");
1095                 if (task_init) {
1096                         targ->mode = task_init->mode;
1097                 }
1098                 else {
1099                         set_errf("Task mode '%s' is invalid", mode);
1100                         tasks_list();
1101                         return -1;
1102                 }
1103                 targ->task_init = task_init;
1104                 return 0;
1105         }
1106         if (STR_EQ(str, "users")) {
1107                 return parse_int(&targ->n_flows, pkey);
1108         }
1109
1110         if (STR_EQ(str, "mark")) {
1111                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1112         }
1113
1114         if (STR_EQ(str, "mark green")) {
1115                 return parse_int(&targ->marking[0], pkey);
1116         }
1117
1118         if (STR_EQ(str, "mark yellow")) {
1119                 return parse_int(&targ->marking[1], pkey);
1120         }
1121
1122         if (STR_EQ(str, "mark red")) {
1123                 return parse_int(&targ->marking[2], pkey);
1124         }
1125
1126         if (STR_EQ(str, "tx cores")) {
1127                 uint8_t dest_task = 0;
1128                 /* if user did not specify, dest_port is left at default (first type) */
1129                 uint8_t dest_proto = 0;
1130                 uint8_t ctrl = CTRL_TYPE_DP;
1131                 char *task_str = strstr(pkey, "proto=");
1132                 if (task_str) {
1133                         task_str += strlen("proto=");
1134
1135                         if (STR_EQ(task_str, "ipv4")) {
1136                                 dest_proto = IPV4;
1137                         }
1138                         else if (STR_EQ(task_str, "arp")) {
1139                                 dest_proto = ARP;
1140                         }
1141                         else if (STR_EQ(task_str, "ipv6")) {
1142                                 dest_proto = IPV6;
1143                         }
1144                         else {
1145                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1146                                 return -1;
1147                         }
1148
1149                 }
1150
1151                 task_str = strstr(pkey, "task=");
1152
1153                 if (task_str) {
1154                         --task_str;
1155                         *task_str = 0;
1156                         task_str++;
1157                         task_str += strlen("task=");
1158                         char *task_str_end = strstr(task_str, " ");
1159                         if (task_str_end) {
1160                                 *task_str_end = 0;
1161                         }
1162                         if (0 == strlen(task_str)) {
1163                                 set_errf("Invalid task= syntax");
1164                                 return -1;
1165                         }
1166
1167                         switch (task_str[strlen(task_str) - 1]) {
1168                         case 'p':
1169                                 ctrl = CTRL_TYPE_PKT;
1170                                 break;
1171                         case 'm':
1172                                 ctrl = CTRL_TYPE_MSG;
1173                                 break;
1174                         case '\n':
1175                         case 0:
1176                                 break;
1177                         default:
1178                                 if (task_str[strlen(task_str) -1] < '0' ||
1179                                     task_str[strlen(task_str) -1] > '9') {
1180                                         set_errf("Unknown ring type %c.\n",
1181                                                  task_str[strlen(task_str) - 1]);
1182                                         return -1;
1183                                 }
1184                         }
1185
1186                         dest_task = atoi(task_str);
1187                         if (dest_task >= MAX_TASKS_PER_CORE) {
1188                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1189                                 return -1;
1190                         }
1191                 }
1192                 else {
1193                         dest_task = 0;
1194                 }
1195
1196                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1197
1198                 if (parse_task_set(cts, pkey))
1199                         return -1;
1200
1201                 if (cts->n_elems > MAX_WT_PER_LB) {
1202                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1203                         return -1;
1204                 }
1205
1206                 targ->nb_worker_threads = cts->n_elems;
1207                 targ->nb_txrings += cts->n_elems;
1208
1209                 return 0;
1210         }
1211         if (STR_EQ(str, "tx crc")) {
1212                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1213         }
1214         if (STR_EQ(str, "ring size")) {
1215                 return parse_int(&targ->ring_size, pkey);
1216         }
1217         if (STR_EQ(str, "mempool size")) {
1218                 return parse_kmg(&targ->nb_mbuf, pkey);
1219         }
1220
1221         else if (STR_EQ(str, "mbuf size")) {
1222                 targ->mbuf_size_set_explicitely = 1;
1223                 return parse_int(&targ->mbuf_size, pkey);
1224         }
1225         if (STR_EQ(str, "memcache size")) {
1226                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1227         }
1228
1229         if (STR_EQ(str, "byte offset")) {
1230                 return parse_int(&targ->byte_offset, pkey);
1231         }
1232
1233         if (STR_EQ(str, "name")) {
1234                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1235         }
1236         /* MPLS configuration */
1237         if (STR_EQ(str, "untag mpls")) {
1238                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1239         }
1240
1241         if (STR_EQ(str, "add mpls")) {
1242                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1243         }
1244
1245         if (STR_EQ(str, "ether type")) {
1246                 return parse_int(&targ->etype, pkey);
1247         }
1248
1249         if (STR_EQ(str, "cache set")) {
1250                 return parse_int(&lconf->cache_set, pkey);
1251         }
1252
1253         if (STR_EQ(str, "sub mode")) {
1254                 const char* mode_str = targ->task_init->mode_str;
1255                 const char *sub_mode_str = pkey;
1256
1257                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1258                 if (!targ->task_init) {
1259                         if (strcmp(sub_mode_str, "l3") != 0) {
1260                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1261                                 return -1;
1262                         }
1263                         targ->task_init = to_task_init(mode_str, "");
1264                         if (!targ->task_init) {
1265                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1266                                 return -1;
1267                         }
1268                 }
1269                 if (strcmp(sub_mode_str, "l3") == 0) {
1270                         prox_cfg.flags |= DSF_CTRL_PLANE_ENABLED;
1271                         targ->flags |= TASK_ARG_L3;
1272                         strcpy(targ->sub_mode_str, "l3");
1273                 } else {
1274                         strcpy(targ->sub_mode_str, targ->task_init->sub_mode_str);
1275                 }
1276                 return 0;
1277         }
1278
1279         if (STR_EQ(str, "mempool name")) {
1280                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1281         }
1282         if (STR_EQ(str, "dpi engine")) {
1283                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1284         }
1285         if (STR_EQ(str, "dpi engine arg")) {
1286                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1287                                  sizeof(targ->dpi_engine_args[0]));
1288         }
1289         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1290                 if (parse_mac(&targ->edaddr, pkey)) {
1291                         if (STR_EQ(pkey, "no")) {
1292                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1293                                 return 0;
1294                         }
1295                         if (STR_EQ(pkey, "packet") == 0)
1296                                 return -1;
1297                         else
1298                                 return 0;
1299                 }
1300                 targ->flags |= TASK_ARG_DST_MAC_SET;
1301                 return 0;
1302         }
1303         if (STR_EQ(str, "src mac")) {
1304                 if (parse_mac(&targ->esaddr, pkey)) {
1305                         if (STR_EQ(pkey, "no")) {
1306                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1307                                 return 0;
1308                         }
1309                         else if (STR_EQ(pkey, "packet"))
1310                                 return 0;
1311                         else if (STR_EQ(pkey, "hw")) {
1312                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1313                                 return 0;
1314                         } else {
1315                                 return -1;
1316                         }
1317                 }
1318                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1319                 return 0;
1320         }
1321         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1322                 return parse_ip(&targ->gateway_ipv4, pkey);
1323         }
1324         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1325                 return parse_ip(&targ->local_ipv4, pkey);
1326         }
1327         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1328                 return parse_ip(&targ->remote_ipv4, pkey);
1329         }
1330         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1331                 return parse_ip6(&targ->local_ipv6, pkey);
1332         }
1333         if (STR_EQ(str, "number of packets"))
1334                 return parse_int(&targ->n_pkts, pkey);
1335         if (STR_EQ(str, "pipes")) {
1336                 uint32_t val;
1337                 int err = parse_int(&val, pkey);
1338                 if (err)
1339                         return -1;
1340                 if (!val || !rte_is_power_of_2(val)) {
1341                         set_errf("Number of pipes has to be power of 2 and not zero");
1342                         return -1;
1343                 }
1344
1345                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1346                 return 0;
1347         }
1348         if (STR_EQ(str, "queue size")) {
1349                 uint32_t val;
1350                 int err = parse_int(&val, pkey);
1351                 if (err) {
1352                         return -1;
1353                 }
1354
1355                 targ->qos_conf.port_params.qsize[0] = val;
1356                 targ->qos_conf.port_params.qsize[1] = val;
1357                 targ->qos_conf.port_params.qsize[2] = val;
1358                 targ->qos_conf.port_params.qsize[3] = val;
1359                 return 0;
1360         }
1361         if (STR_EQ(str, "subport tb rate")) {
1362                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1363         }
1364         if (STR_EQ(str, "subport tb size")) {
1365                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1366         }
1367         if (STR_EQ(str, "subport tc 0 rate")) {
1368                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1369         }
1370         if (STR_EQ(str, "subport tc 1 rate")) {
1371                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1372         }
1373         if (STR_EQ(str, "subport tc 2 rate")) {
1374                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1375         }
1376         if (STR_EQ(str, "subport tc 3 rate")) {
1377                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1378         }
1379
1380         if (STR_EQ(str, "subport tc rate")) {
1381                 uint32_t val;
1382                 int err = parse_int(&val, pkey);
1383                 if (err) {
1384                         return -1;
1385                 }
1386
1387                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1388                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1389                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1390                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1391
1392                 return 0;
1393         }
1394         if (STR_EQ(str, "subport tc period")) {
1395                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1396         }
1397         if (STR_EQ(str, "pipe tb rate")) {
1398                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1399         }
1400         if (STR_EQ(str, "pipe tb size")) {
1401                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1402         }
1403         if (STR_EQ(str, "pipe tc rate")) {
1404                 uint32_t val;
1405                 int err = parse_int(&val, pkey);
1406                 if (err) {
1407                         return -1;
1408                 }
1409
1410                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1411                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1412                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1413                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1414                 return 0;
1415         }
1416         if (STR_EQ(str, "pipe tc 0 rate")) {
1417                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1418         }
1419         if (STR_EQ(str, "pipe tc 1 rate")) {
1420                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1421         }
1422         if (STR_EQ(str, "pipe tc 2 rate")) {
1423                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1424         }
1425         if (STR_EQ(str, "pipe tc 3 rate")) {
1426                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1427         }
1428         if (STR_EQ(str, "pipe tc period")) {
1429                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1430         }
1431         if (STR_EQ(str, "police action")) {
1432                 char *in = strstr(pkey, " io=");
1433                 if (in == NULL) {
1434                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1435                         return -1;
1436                 }
1437                 *in = 0;
1438                 in += strlen(" io=");
1439
1440                 char *out = strstr(in, ",");
1441                 if (out == NULL) {
1442                         set_errf("Output color not specified\n");
1443                 }
1444                 *out = 0;
1445                 out++;
1446
1447                 enum police_action in_color = str_to_color(in);
1448                 enum police_action out_color = str_to_color(out);
1449
1450                 if (in_color == ACT_INVALID) {
1451                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1452                         return -1;
1453                 }
1454                 if (out_color == ACT_INVALID) {
1455                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1456                         return -1;
1457                 }
1458                 enum police_action action = str_to_color(pkey);
1459                 if (action == ACT_INVALID) {
1460                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1461                         return -1;
1462                 }
1463                 targ->police_act[in_color][out_color] = action;
1464
1465                 return 0;
1466         }
1467         if (STR_EQ(str, "qinq tag")) {
1468                 return parse_int(&targ->qinq_tag, pkey);
1469         }
1470         if (STR_EQ(str, "cir")) {
1471                 return parse_int(&targ->cir, pkey);
1472         }
1473         if (STR_EQ(str, "cbs")) {
1474                 return parse_int(&targ->cbs, pkey);
1475         }
1476         if (STR_EQ(str, "pir")) {
1477                 return parse_int(&targ->pir, pkey);
1478         }
1479         if (STR_EQ(str, "pbs")) {
1480                 return parse_int(&targ->pbs, pkey);
1481         }
1482         if (STR_EQ(str, "ebs")) {
1483                 return parse_int(&targ->ebs, pkey);
1484         }
1485         uint32_t queue_id = 0;
1486         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1487                 uint32_t val;
1488                 int err = parse_int(&val, pkey);
1489                 if (err) {
1490                         return -1;
1491                 }
1492                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1493                 return 0;
1494         }
1495         if (STR_EQ(str, "classify")) {
1496                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1497                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1498                         return -1;
1499                 }
1500
1501                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1502         }
1503         if (STR_EQ(str, "flow table size")) {
1504                 return parse_int(&targ->flow_table_size, pkey);
1505         }
1506 #ifdef GRE_TP
1507         if (STR_EQ(str, "tbf rate")) {
1508                 return parse_int(&targ->tb_rate, pkey);
1509         }
1510         if (STR_EQ(str, "tbf size")) {
1511                 return parse_int(&targ->tb_size, pkey);
1512         }
1513 #endif
1514         if (STR_EQ(str, "max rules")) {
1515                 return parse_int(&targ->n_max_rules, pkey);
1516         }
1517
1518         if (STR_EQ(str, "tunnel hop limit")) {
1519                 uint32_t val;
1520                 int err = parse_int(&val, pkey);
1521                 if (err) {
1522                         return -1;
1523                 }
1524                 targ->tunnel_hop_limit = val;
1525                 return 0;
1526         }
1527
1528         if (STR_EQ(str, "lookup port mask")) {
1529                 uint32_t val;
1530                 int err = parse_int(&val, pkey);
1531                 if (err) {
1532                         return -1;
1533                 }
1534                 targ->lookup_port_mask = val;
1535                 return 0;
1536         }
1537
1538         if (STR_EQ(str, "irq debug")) {
1539                 parse_int(&targ->irq_debug, pkey);
1540                 return 0;
1541         }
1542
1543         set_errf("Option '%s' is not known", str);
1544         /* fail on unknown keys */
1545         return -1;
1546 }
1547
1548 static int str_is_number(const char *in)
1549 {
1550         int dot_once = 0;
1551
1552         for (size_t i = 0; i < strlen(in); ++i) {
1553                 if (!dot_once && in[i] == '.') {
1554                         dot_once = 1;
1555                         continue;
1556                 }
1557
1558                 if (in[i] < '0' || in[i] > '9')
1559                         return 0;
1560         }
1561
1562         return 1;
1563 }
1564
1565 /* command line parameters parsing procedure */
1566 int prox_parse_args(int argc, char **argv)
1567 {
1568         int i, opt, ret;
1569         char *tmp, *tmp2;
1570         char tmp3[64];
1571
1572         /* Default settings */
1573         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1574         prox_cfg.ui = PROX_UI_CURSES;
1575
1576         plog_info("\tCommand line:");
1577         for (i = 0; i < argc; ++i) {
1578                 plog_info(" %s", argv[i]);
1579         }
1580         plog_info("\n");
1581
1582         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1583                 switch (opt) {
1584                 case 'f':
1585                         /* path to config file */
1586                         cfg_file = optarg;
1587                         size_t offset = 0;
1588                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1589                                 if (cfg_file[i] == '/') {
1590                                         offset = i + 1;
1591                                 }
1592                         }
1593
1594                         strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1595                         break;
1596                 case 'v':
1597                         plog_set_lvl(atoi(optarg));
1598                         break;
1599                 case 'l':
1600                         prox_cfg.log_name_pid = 0;
1601                         strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1602                         break;
1603                 case 'p':
1604                         prox_cfg.log_name_pid = 1;
1605                         break;
1606                 case 'k':
1607                         prox_cfg.use_stats_logger = 1;
1608                         break;
1609                 case 'd':
1610                         prox_cfg.flags |= DSF_DAEMON;
1611                         prox_cfg.ui = PROX_UI_NONE;
1612                         break;
1613                 case 'z':
1614                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1615                         prox_cfg.flags |= DSF_CHECK_INIT;
1616                         break;
1617                 case 'n':
1618                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1619                         break;
1620                 case 'r':
1621                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1622                                 return -1;
1623                         strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1624                         break;
1625                 case 'o':
1626                         if (prox_cfg.flags & DSF_DAEMON)
1627                                 break;
1628
1629                         if (!strcmp(optarg, "curses")) {
1630                                 prox_cfg.ui = PROX_UI_CURSES;
1631                         }
1632                         else if (!strcmp(optarg, "cli")) {
1633                                 prox_cfg.ui = PROX_UI_CLI;
1634                         }
1635                         else if (!strcmp(optarg, "none")) {
1636                                 prox_cfg.ui = PROX_UI_NONE;
1637                         }
1638                         else {
1639                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1640                                 return -1;
1641                         }
1642                         break;
1643                 case 'q':
1644                         if (luaL_loadstring(prox_lua(), optarg)) {
1645                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1646                                 return -1;
1647                         }
1648
1649                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1650                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1651                                 return -1;
1652                         }
1653
1654                         break;
1655                 case 'a':
1656                         /* autostart all cores */
1657                         prox_cfg.flags |= DSF_AUTOSTART;
1658                         break;
1659                 case 'e':
1660                         /* don't autostart */
1661                         prox_cfg.flags &= ~DSF_AUTOSTART;
1662                         break;
1663                 case 't':
1664                         prox_cfg.flags |= DSF_LISTEN_TCP;
1665                         break;
1666                 case 'u':
1667                         prox_cfg.flags |= DSF_LISTEN_UDS;
1668                         break;
1669                 case 'm':
1670                         /* list supported task modes and exit */
1671                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1672                         break;
1673                 case 's':
1674                         /* check configuration file syntax and exit */
1675                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1676                         break;
1677                 case 'i':
1678                         /* check initialization sequence and exit */
1679                         prox_cfg.flags |= DSF_CHECK_INIT;
1680                         break;
1681                 case 'w':
1682                         tmp = optarg;
1683                         tmp2 = 0;
1684                         if (strlen(tmp) >= 3 &&
1685                             (tmp2 = strchr(tmp, '='))) {
1686                                 *tmp2 = 0;
1687                                 tmp3[0] = '$';
1688                                 strncpy(tmp3 + 1, tmp, 63);
1689                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1690                                 ret = add_var(tmp3, tmp2 + 1, 1);
1691                                 if (ret == -2) {
1692                                         plog_err("\tFailed to add variable, too many variables defines\n");
1693                                         return -1;
1694                                 }
1695                                 else if(ret == -3) {
1696                                         plog_err("\tFailed to add variable, already defined\n");
1697                                         return -1;
1698                                 }
1699                                 break;
1700                         }
1701                         /* fall-through */
1702                 default:
1703                         plog_err("\tUnknown option\n");
1704                         return -1;
1705                 }
1706         }
1707
1708         /* reset getopt lib for DPDK */
1709         optind = 0;
1710
1711         return 0;
1712 }
1713
1714 static int check_cfg(void)
1715 {
1716         /* Sanity check */
1717 #define RETURN_IF(cond, err)                    \
1718         if (cond) {                             \
1719                 plog_err(err);                  \
1720                 return -1;                      \
1721         };
1722
1723         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1724         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1725
1726 #undef RETURN_IF
1727
1728         return 0;
1729 }
1730
1731 static int calc_tot_rxrings(void)
1732 {
1733         struct lcore_cfg *slconf, *dlconf;
1734         struct task_args *starg, *dtarg;
1735         uint32_t dlcore_id;
1736         uint8_t dtask_id;
1737         struct core_task ct;
1738
1739         dlconf = NULL;
1740         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1741                 dtarg->tot_rxrings = 0;
1742         }
1743
1744         slconf = NULL;
1745         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1746                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1747                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1748                                 ct = starg->core_task_set[idx].core_task[ring_idx];
1749                                 if (!prox_core_active(ct.core, 0)) {
1750                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1751                                                  ct.core, slconf->id, starg->id);
1752                                         return -1;
1753                                 }
1754
1755                                 dlconf = &lcore_cfg_init[ct.core];
1756
1757                                 if (ct.task >= dlconf->n_tasks_all) {
1758                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1759                                         return -1;
1760                                 }
1761
1762                                 dtarg = &dlconf->targs[ct.task];
1763
1764                                 /* Control rings are not relevant at this point. */
1765                                 if (ct.type)
1766                                         continue;
1767
1768                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1769                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
1770                                                  ct.core, ct.task);
1771                                         return -1;
1772                                 }
1773
1774                                 dtarg->tot_rxrings++;
1775                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1776                                         set_errf("Core %u task %u is receiving from too many tasks",
1777                                                  ct.core, ct.task);
1778                                         return -1;
1779                                 }
1780                         }
1781                 }
1782         }
1783
1784         return 0;
1785 }
1786
1787 static void prox_set_core_mask(void)
1788 {
1789         struct lcore_cfg *lconf;
1790
1791         prox_core_clr();
1792         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1793                 lconf = &lcore_cfg_init[lcore_id];
1794                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1795                         prox_core_set_active(lcore_id);
1796                 }
1797         }
1798 }
1799
1800 static int is_using_no_drop(void)
1801 {
1802         uint32_t lcore_id;
1803         struct lcore_cfg *lconf;
1804         struct task_args *targs;
1805
1806         lcore_id = -1;
1807         while(prox_core_next(&lcore_id, 1) == 0) {
1808                 lconf = &lcore_cfg_init[lcore_id];
1809                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1810                         targs = &lconf->targs[task_id];
1811                         if (!(targs->flags & TASK_ARG_DROP))
1812                                 return 1;
1813                 }
1814         }
1815         return 0;
1816 }
1817
1818 int prox_read_config_file(void)
1819 {
1820         set_global_defaults(&prox_cfg);
1821         set_task_defaults(&prox_cfg, lcore_cfg_init);
1822         set_port_defaults();
1823         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1824         struct cfg_file *pcfg = cfg_open(cfg_file);
1825         if (pcfg == NULL) {
1826                 return -1;
1827         }
1828
1829         struct cfg_section* config_sections[] = {
1830                 &lua_cfg          ,
1831                 &var_cfg          ,
1832                 &eal_default_cfg  ,
1833                 &cache_set_cfg    ,
1834                 &port_cfg         ,
1835                 &defaults_cfg     ,
1836                 &settings_cfg     ,
1837                 &core_cfg         ,
1838                 NULL
1839         };
1840
1841         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1842                 const char* name = (*section)->name;
1843                 size_t len = strlen(name);
1844                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1845                 cfg_parse(pcfg, *section);
1846
1847                 if ((*section)->error) {
1848                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1849                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1850                                  strlen(get_parse_err())? get_parse_err() : err_str);
1851                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1852                         return -1;
1853                 }
1854         }
1855
1856         cfg_close(pcfg);
1857
1858         prox_set_core_mask();
1859
1860         if (is_using_no_drop()) {
1861                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1862         }
1863
1864         if (calc_tot_rxrings()) {
1865                 plog_err("Error in configuration: %s\n", err_str);
1866                 return -1;
1867         }
1868
1869         return check_cfg();
1870 }
1871
1872 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1873 {
1874         plog_err("\tError in rte_eal_init()\n");
1875 }
1876
1877 int prox_setup_rte(const char *prog_name)
1878 {
1879         char *rte_argv[MAX_RTE_ARGV];
1880         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1881         char tmp[PROX_CM_STR_LEN];
1882         /* create mask of used cores */
1883         plog_info("=== Setting up RTE EAL ===\n");
1884
1885         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1886                 plog_info("Using dummy cpu topology\n");
1887                 snprintf(tmp, sizeof(tmp), "0x1");
1888         } else {
1889                 prox_core_to_hex(tmp, sizeof(tmp), 0);
1890                 plog_info("\tWorker threads core mask is %s\n", tmp);
1891                 prox_core_to_hex(tmp, sizeof(tmp), 1);
1892                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1893         }
1894
1895         /* fake command line parameters for rte_eal_init() */
1896         int argc = 0;
1897         rte_argv[argc] = strdup(prog_name);
1898         sprintf(rte_arg[++argc], "-c%s", tmp);
1899         rte_argv[argc] = rte_arg[argc];
1900 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1901         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1902                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1903         else
1904                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1905         rte_argv[argc] = rte_arg[argc];
1906 #else
1907         /* For old DPDK versions, the master core had to be the first
1908            core. */
1909         uint32_t first_core = -1;
1910
1911         if (prox_core_next(&first_core, 1) == -1) {
1912                 plog_err("Can't core ID of first core in use\n");
1913                 return -1;
1914         }
1915         if (first_core != prox_cfg.master) {
1916                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1917                 return -1;
1918         }
1919 #endif
1920
1921         if (rte_cfg.memory) {
1922                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1923                 rte_argv[argc] = rte_arg[argc];
1924         }
1925
1926         if (rte_cfg.force_nchannel) {
1927                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1928                 rte_argv[argc] = rte_arg[argc];
1929         }
1930
1931         if (rte_cfg.force_nrank) {
1932                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1933                 rte_argv[argc] = rte_arg[argc];
1934         }
1935
1936         if (rte_cfg.no_hugetlbfs) {
1937                 strcpy(rte_arg[++argc], "--no-huge");
1938                 rte_argv[argc] = rte_arg[argc];
1939         }
1940
1941         if (rte_cfg.no_pci) {
1942                 strcpy(rte_arg[++argc], "--no-pci");
1943                 rte_argv[argc] = rte_arg[argc];
1944         }
1945
1946         if (rte_cfg.no_hpet) {
1947                 strcpy(rte_arg[++argc], "--no-hpet");
1948                 rte_argv[argc] = rte_arg[argc];
1949         }
1950
1951         if (rte_cfg.no_shconf) {
1952                 strcpy(rte_arg[++argc], "--no-shconf");
1953                 rte_argv[argc] = rte_arg[argc];
1954         }
1955
1956         if (rte_cfg.eal != NULL) {
1957                 char *ptr = rte_cfg.eal;
1958                 char *ptr2;
1959                 while (ptr != NULL) {
1960                         while (isspace(*ptr))
1961                                 ptr++;
1962                         ptr2 = ptr;
1963                         ptr = strchr(ptr, ' ');
1964                         if (ptr) {
1965                                 *ptr++ = '\0';
1966                         }
1967                         strcpy(rte_arg[++argc], ptr2);
1968                         rte_argv[argc] = rte_arg[argc];
1969                 }
1970         }
1971
1972         if (rte_cfg.hugedir != NULL) {
1973                 strcpy(rte_arg[++argc], "--huge-dir");
1974                 rte_argv[argc] = rte_arg[argc];
1975                 rte_argv[++argc] = rte_cfg.hugedir;
1976         }
1977
1978         if (rte_cfg.no_output) {
1979                 rte_log_set_global_level(0);
1980         }
1981         /* init EAL */
1982         plog_info("\tEAL command line:");
1983         if (argc >= MAX_RTE_ARGV) {
1984                 plog_err("too many arguments for EAL\n");
1985                 return -1;
1986         }
1987
1988         for (int h = 0; h <= argc; ++h) {
1989                 plog_info(" %s", rte_argv[h]);
1990         }
1991         plog_info("\n");
1992
1993         rte_set_application_usage_hook(failed_rte_eal_init);
1994         if (rte_eal_init(++argc, rte_argv) < 0) {
1995                 plog_err("\tError in rte_eal_init()\n");
1996                 return -1;
1997         }
1998         plog_info("\tEAL Initialized\n");
1999
2000         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2001                 return 0;
2002
2003         /* check if all active cores are in enabled in DPDK */
2004         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2005                 if (lcore_id == prox_cfg.master) {
2006                         if (!rte_lcore_is_enabled(lcore_id))
2007                                 return -1;
2008                 }
2009                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
2010                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2011                         return -1;
2012                 }
2013                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
2014                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2015                         return -1;
2016                 }
2017         }
2018         return 0;
2019 }