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 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 543         else if (STR_EQ(str, "disable tx offload")) {
 544                 uint32_t val;
 545                 if (parse_int(&val, pkey)) {
 546                         return -1;
 547                 }
 548                 if (val)
 549                         cfg->disabled_tx_offload = val;
 550         }
 551 #endif
 552         else if (STR_EQ(str, "strip crc")) {
 553                 uint32_t val;
 554                 if (parse_bool(&val, pkey)) {
 555                         return -1;
 556                 }
 557                 if (val)
 558                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_CRC_STRIP;
 559                 else
 560                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_CRC_STRIP;
 561         }
 562         else if (STR_EQ(str, "vlan")) {
 563 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 564                 uint32_t val;
 565                 if (parse_bool(&val, pkey)) {
 566                         return -1;
 567                 }
 568                 if (val) {
 569                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_VLAN_STRIP;
 570                         cfg->requested_tx_offload |= DEV_TX_OFFLOAD_VLAN_INSERT;
 571                 } else {
 572                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
 573                         cfg->requested_tx_offload &= ~DEV_TX_OFFLOAD_VLAN_INSERT;
 574                 }
 575 #else
 576                 plog_warn("vlan option not supported : update DPDK at least to 18.08 to support this option\n");
 577 #endif
 578         }
 579         else if (STR_EQ(str, "mtu size")) {
 580                 uint32_t val;
 581                 if (parse_int(&val, pkey)) {
 582                         return -1;
 583                 }
 584                 if (val) {
 585                         cfg->mtu = val;
 586                         // A frame of 1526 bytes (1500 bytes mtu, 14 bytes hdr, 4 bytes crc and 8 bytes vlan)
 587                         // should not be considered as a jumbo frame. However rte_ethdev.c considers that
 588                         // the max_rx_pkt_len for a non jumbo frame is 1518
 589                         cfg->port_conf.rxmode.max_rx_pkt_len = cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 590                         if (cfg->port_conf.rxmode.max_rx_pkt_len > ETHER_MAX_LEN) {
 591                                 cfg->requested_rx_offload |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 592                         }
 593                 }
 594         }
 595
 596         else if (STR_EQ(str, "rss")) {
 597                 uint32_t val;
 598                 if (parse_bool(&val, pkey)) {
 599                         return -1;
 600                 }
 601                 if (val) {
 602                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 603                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 604                 }
 605         }
 606         else if (STR_EQ(str, "rx_ring")) {
 607                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 608         }
 609         else if (STR_EQ(str, "tx_ring")) {
 610                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 611         }
 612
 613         return 0;
 614 }
 615
 616 static enum police_action str_to_color(const char *str)
 617 {
 618         if (STR_EQ(str, "green"))
 619                 return ACT_GREEN;
 620         if (STR_EQ(str, "yellow"))
 621                 return ACT_YELLOW;
 622         if (STR_EQ(str, "red"))
 623                 return ACT_RED;
 624         if (STR_EQ(str, "drop"))
 625                 return ACT_DROP;
 626         return ACT_INVALID;
 627 }
 628
 629 struct cfg_depr task_cfg_depr[] = {
 630         {"sig", ""},
 631 };
 632
 633 struct cfg_depr core_cfg_depr[] = {
 634         {"do sig", ""},
 635         {"lat", ""},
 636         {"network side", ""},
 637 };
 638
 639 /* [core] parser */
 640 static int get_core_cfg(unsigned sindex, char *str, void *data)
 641 {
 642         char *pkey;
 643         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 644
 645         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 646                 return -1;
 647         }
 648
 649         pkey = get_cfg_key(str);
 650         if (pkey == NULL) {
 651                 set_errf("Missing key after option");
 652                 return -1;
 653         }
 654
 655         uint32_t ncore = sindex & ~CFG_INDEXED;
 656         if (ncore >= RTE_MAX_LCORE) {
 657                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 658                 return -1;
 659         }
 660
 661         lconf = &lconf[ncore];
 662
 663         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 664                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 665                         set_errf("Option '%s' is deprecated%s%s",
 666                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 667                         return -1;
 668                 }
 669         }
 670
 671         char buff[128];
 672         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 673         set_self_var(buff);
 674         if (STR_EQ(str, "task")) {
 675
 676                 uint32_t val;
 677                 if (parse_int(&val, pkey)) {
 678                         return -1;
 679                 }
 680                 if (val >= MAX_TASKS_PER_CORE) {
 681                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 682                         return -1;
 683                 }
 684                 if (val != lconf->n_tasks_all) {
 685                         set_errf("Task ID skipped or defined twice");
 686                         return -1;
 687                 }
 688
 689                 lconf->active_task = val;
 690
 691                 lconf->targs[lconf->active_task].task = lconf->active_task;
 692
 693                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 694                         lconf->n_tasks_all = lconf->active_task + 1;
 695                 }
 696                 return 0;
 697         }
 698
 699         struct task_args *targ = &lconf->targs[lconf->active_task];
 700         if (STR_EQ(str, "tx ports from routing table")) {
 701                 uint32_t vals[PROX_MAX_PORTS];
 702                 uint32_t n_if;
 703                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 704                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 705                         return -1;
 706                 }
 707
 708                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 709                         return -1;
 710                 }
 711
 712                 for (uint8_t i = 0; i < n_if; ++i) {
 713                         targ->tx_port_queue[i].port = vals[i];
 714                         targ->nb_txports++;
 715                 }
 716                 targ->runtime_flags |= TASK_ROUTING;
 717                 return 0;
 718         }
 719         if (STR_EQ(str, "tx ports from cpe table")) {
 720                 uint32_t vals[PROX_MAX_PORTS];
 721                 int n_remap = -1;
 722                 uint32_t ret;
 723                 uint32_t val;
 724                 char* mapping_str = strstr(pkey, " remap=");
 725
 726                 if (mapping_str != NULL) {
 727                         *mapping_str = 0;
 728                         mapping_str += strlen(" remap=");
 729                         n_remap = parse_remap(targ->mapping, mapping_str);
 730                 }
 731
 732                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 733                         return -1;
 734                 }
 735
 736                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 737                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 738                         return -1;
 739                 }
 740
 741                 for (uint8_t i = 0; i < ret; ++i) {
 742                         targ->tx_port_queue[i].port = vals[i];
 743
 744                         /* default mapping this case is port0 -> port0 */
 745                         if (n_remap == -1) {
 746                                 targ->mapping[vals[i]] = i;
 747                         }
 748                 }
 749
 750                 targ->nb_txports = ret;
 751
 752                 return 0;
 753         }
 754         if (STR_EQ(str, "tx cores from routing table")) {
 755                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 756                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 757                         return -1;
 758                 }
 759
 760                 struct core_task_set *cts = &targ->core_task_set[0];
 761
 762                 if (parse_task_set(cts, pkey))
 763                         return -1;
 764
 765                 if (cts->n_elems > MAX_WT_PER_LB) {
 766                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 767                         return -1;
 768                 }
 769
 770                 targ->nb_worker_threads = cts->n_elems;
 771                 targ->nb_txrings = cts->n_elems;
 772
 773                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 774                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 775                         return -1;
 776                 }
 777
 778                 targ->runtime_flags |= TASK_ROUTING;
 779                 return 0;
 780         }
 781         if (STR_EQ(str, "tx cores from cpe table")) {
 782                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 783                 int ret, ret2;
 784                 char *mapping_str;
 785
 786                 mapping_str = strstr(pkey, " remap=");
 787                 if (mapping_str == NULL) {
 788                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 789                         return -1;
 790                 }
 791                 *mapping_str = 0;
 792                 mapping_str += strlen(" remap=");
 793                 ret = parse_remap(targ->mapping, mapping_str);
 794                 if (ret <= 0) {
 795                         return -1;
 796                 }
 797
 798                 struct core_task_set *cts = &targ->core_task_set[0];
 799
 800                 if (parse_task_set(cts, pkey))
 801                         return -1;
 802                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 803                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 804                         return -1;
 805                 }
 806
 807                 targ->nb_txrings = cts->n_elems;
 808
 809                 if (ret != targ->nb_txrings) {
 810                         set_errf("Expecting same number of remaps as cores\n", str);
 811                         return -1;
 812                 }
 813                 return 0;
 814         }
 815
 816         if (STR_EQ(str, "delay ms")) {
 817                 if (targ->delay_us) {
 818                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 819                         return -1;
 820                 }
 821                 uint32_t delay_ms;
 822                 int rc = parse_int(&delay_ms, pkey);
 823                 targ->delay_us = delay_ms * 1000;
 824                 return rc;
 825         }
 826         if (STR_EQ(str, "delay us")) {
 827                 if (targ->delay_us) {
 828                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 829                         return -1;
 830                 }
 831                 return parse_int(&targ->delay_us, pkey);
 832         }
 833         if (STR_EQ(str, "random delay us")) {
 834                 return parse_int(&targ->random_delay_us, pkey);
 835         }
 836         if (STR_EQ(str, "cpe table timeout ms")) {
 837                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 838         }
 839         if (STR_EQ(str, "ctrl path polling frequency")) {
 840                 int rc = parse_int(&targ->ctrl_freq, pkey);
 841                 if (rc == 0) {
 842                         if (targ->ctrl_freq == 0) {
 843                                 set_errf("ctrl frequency must be non null.");
 844                                 return -1;
 845                         }
 846                 }
 847                 return rc;
 848         }
 849
 850         if (STR_EQ(str, "handle arp")) {
 851                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 852         }
 853         if (STR_EQ(str, "fast path handle arp")) {
 854                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 855         }
 856         if (STR_EQ(str, "multiple arp")) {
 857                 return parse_flag(&targ->flags, TASK_MULTIPLE_MAC, pkey);
 858         }
 859
 860         /* Using tx port name, only a _single_ port can be assigned to a task. */
 861         if (STR_EQ(str, "tx port")) {
 862                 if (targ->nb_txports > 0) {
 863                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 864                         return -1;
 865                 }
 866
 867                 uint32_t n_if = 0;
 868                 uint32_t ports[PROX_MAX_PORTS];
 869
 870                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 871                         return -1;
 872                 }
 873
 874                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 875
 876                 for (uint8_t i = 0; i < n_if; ++i) {
 877                         targ->tx_port_queue[i].port = ports[i];
 878                         targ->nb_txports++;
 879                 }
 880
 881                 if (n_if > 1) {
 882                         targ->nb_worker_threads = targ->nb_txports;
 883                 }
 884
 885                 return 0;
 886         }
 887         if (STR_EQ(str, "rx ring")) {
 888                 uint32_t val;
 889                 int err = parse_bool(&val, pkey);
 890                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 891                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 892                         return -1;
 893                 }
 894
 895                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 896         }
 897         if (STR_EQ(str, "private")) {
 898                 return parse_bool(&targ->use_src, pkey);
 899         }
 900         if (STR_EQ(str, "use src ip")) {
 901                 return parse_bool(&targ->use_src, pkey);
 902         }
 903         if (STR_EQ(str, "nat table")) {
 904                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 905         }
 906         if (STR_EQ(str, "rules")) {
 907                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 908         }
 909         if (STR_EQ(str, "route table")) {
 910                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 911         }
 912         if (STR_EQ(str, "dscp")) {
 913                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 914         }
 915         if (STR_EQ(str, "tun_bindings")) {
 916                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 917         }
 918         if (STR_EQ(str, "cpe table")) {
 919                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 920         }
 921         if (STR_EQ(str, "user table")) {
 922                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 923         }
 924         if (STR_EQ(str, "streams")) {
 925                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 926         }
 927         if (STR_EQ(str, "local lpm")) {
 928                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 929         }
 930         if (STR_EQ(str, "drop")) {
 931                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 932         }
 933         if (STR_EQ(str, "loop")) {
 934                 parse_flag(&targ->loop, 1, pkey);
 935                 return parse_flag(&targ->loop, 1, pkey);
 936         }
 937         if (STR_EQ(str, "qinq")) {
 938                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 939         }
 940         if (STR_EQ(str, "bps")) {
 941                 return parse_u64(&targ->rate_bps, pkey);
 942         }
 943         if (STR_EQ(str, "random")) {
 944                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
 945         }
 946         if (STR_EQ(str, "rand_offset")) {
 947                 if (targ->n_rand_str == 0) {
 948                         set_errf("No random defined previously (use random=...)");
 949                         return -1;
 950                 }
 951
 952                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
 953         }
 954         if (STR_EQ(str, "keep src mac")) {
 955                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
 956         }
 957         if (STR_EQ(str, "pcap file")) {
 958                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
 959         }
 960         if (STR_EQ(str, "pkt inline")) {
 961                 char pkey2[MAX_CFG_STRING_LEN];
 962                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
 963                         set_errf("Error while parsing pkt line, too long\n");
 964                         return -1;
 965                 }
 966
 967                 const size_t pkey_len = strlen(pkey2);
 968                 targ->pkt_size = 0;
 969
 970                 for (size_t i = 0; i < pkey_len; ++i) {
 971                         if (pkey2[i] == ' ')
 972                                 continue;
 973
 974                         if (i + 1 == pkey_len) {
 975                                 set_errf("Incomplete byte at character %z", i);
 976                                 return -1;
 977                         }
 978
 979                         uint8_t byte = 0;
 980
 981                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
 982                                 byte = (pkey2[i] - '0') << 4;
 983                         }
 984                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
 985                                 byte = (pkey2[i] - 'a' + 10) << 4;
 986                         }
 987                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
 988                                 byte = (pkey2[i] - 'A' + 10) << 4;
 989                         }
 990                         else {
 991                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
 992                                 return -1;
 993                         }
 994
 995                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
 996                                 byte |= (pkey2[i + 1] - '0');
 997                         }
 998                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
 999                                 byte |= (pkey2[i + 1] - 'a' + 10);
1000                         }
1001                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
1002                                 byte |= (pkey2[i + 1] - 'A' + 10);
1003                         }
1004                         else {
1005                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
1006                                 return -1;
1007                         }
1008                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
1009                                 set_errf("Inline packet definition can't be longer than %u", sizeof(targ->pkt_inline));
1010                                 return -1;
1011                         }
1012
1013                         targ->pkt_inline[targ->pkt_size++] = byte;
1014                         i += 1;
1015                 }
1016
1017                 return 0;
1018         }
1019         if (STR_EQ(str, "accuracy limit nsec")) {
1020                 return parse_int(&targ->accuracy_limit_nsec, pkey);
1021         }
1022         if (STR_EQ(str, "latency bucket size")) {
1023                 return parse_int(&targ->bucket_size, pkey);
1024         }
1025         if (STR_EQ(str, "latency buffer size")) {
1026                 return parse_int(&targ->latency_buffer_size, pkey);
1027         }
1028         if (STR_EQ(str, "accuracy pos")) {
1029                 return parse_int(&targ->accur_pos, pkey);
1030         }
1031         if (STR_EQ(str, "signature")) {
1032                 return parse_int(&targ->sig, pkey);
1033         }
1034         if (STR_EQ(str, "signature pos")) {
1035                 return parse_int(&targ->sig_pos, pkey);
1036         }
1037         if (STR_EQ(str, "lat pos")) {
1038                 targ->lat_enabled = 1;
1039                 return parse_int(&targ->lat_pos, pkey);
1040         }
1041         if (STR_EQ(str, "packet id pos")) {
1042                 return parse_int(&targ->packet_id_pos, pkey);
1043         }
1044         if (STR_EQ(str, "probability")) {
1045                 float probability;
1046                 int rc = parse_float(&probability, pkey);
1047                 if (probability == 0) {
1048                         set_errf("Probability must be != 0\n");
1049                         return -1;
1050                 } else if (probability > 100.0) {
1051                         set_errf("Probability must be < 100\n");
1052                         return -1;
1053                 }
1054                 targ->probability = probability * 10000;
1055                 return rc;
1056         }
1057         if (STR_EQ(str, "concur conn")) {
1058                 return parse_int(&targ->n_concur_conn, pkey);
1059         }
1060         if (STR_EQ(str, "max setup rate")) {
1061                 return parse_int(&targ->max_setup_rate, pkey);
1062         }
1063         if (STR_EQ(str, "pkt size")) {
1064                 return parse_int(&targ->pkt_size, pkey);
1065         }
1066         if (STR_EQ(str, "min bulk size")) {
1067                 return parse_int(&targ->min_bulk_size, pkey);
1068         }
1069         if (STR_EQ(str, "max bulk size")) {
1070                 return parse_int(&targ->max_bulk_size, pkey);
1071         }
1072         if (STR_EQ(str, "rx port")) {
1073                 if (targ->flags & TASK_ARG_RX_RING) {
1074                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1075                         return -1;
1076                 }
1077                 uint32_t vals[PROX_MAX_PORTS];
1078                 uint32_t n_if;
1079
1080                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1081                         return -1;
1082                 }
1083
1084                 for (uint8_t i = 0; i < n_if; ++i) {
1085                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1086                         targ->rx_port_queue[i].port = vals[i];
1087                         targ->nb_rxports++;
1088                 }
1089                 return 0;
1090         }
1091
1092         if (STR_EQ(str, "mode")) {
1093                 /* Check deprecated task modes */
1094                 char mode[255];
1095                 int ret = parse_str(mode, pkey, sizeof(mode));
1096                 if (ret)
1097                         return ret;
1098
1099                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1100                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1101                                 set_errf("Task mode '%s' is deprecated%s%s",
1102                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1103                                 return -1;
1104                         }
1105                 }
1106
1107                 /* master is a special mode that is always needed (cannot be turned off) */
1108                 if (STR_EQ(mode, "master")) {
1109                         prox_cfg.master = ncore;
1110                         targ->mode = MASTER;
1111                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1112                                 set_errf("Master core can only have one task\n");
1113                                 return -1;
1114                         }
1115                         // Initialize number of tasks to 1 for master, even if no task specified
1116                         lconf->n_tasks_all = 1;
1117                         lconf->active_task = 0;
1118                         lconf->targs[lconf->active_task].task = 0;
1119                         struct task_init* task_init = to_task_init(mode, "");
1120                         if (task_init) {
1121                                 targ->mode = task_init->mode;
1122                         }
1123                         targ->task_init = task_init;
1124                         return 0;
1125                 }
1126
1127                 struct task_init* task_init = to_task_init(mode, "");
1128                 if (task_init) {
1129                         targ->mode = task_init->mode;
1130                 }
1131                 else {
1132                         set_errf("Task mode '%s' is invalid", mode);
1133                         tasks_list();
1134                         return -1;
1135                 }
1136                 targ->task_init = task_init;
1137                 return 0;
1138         }
1139         if (STR_EQ(str, "users")) {
1140                 return parse_int(&targ->n_flows, pkey);
1141         }
1142
1143         if (STR_EQ(str, "mark")) {
1144                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1145         }
1146
1147         if (STR_EQ(str, "mark green")) {
1148                 return parse_int(&targ->marking[0], pkey);
1149         }
1150
1151         if (STR_EQ(str, "mark yellow")) {
1152                 return parse_int(&targ->marking[1], pkey);
1153         }
1154
1155         if (STR_EQ(str, "mark red")) {
1156                 return parse_int(&targ->marking[2], pkey);
1157         }
1158
1159         if (STR_EQ(str, "tx cores")) {
1160                 uint8_t dest_task = 0;
1161                 /* if user did not specify, dest_port is left at default (first type) */
1162                 uint8_t dest_proto = 0;
1163                 uint8_t ctrl = CTRL_TYPE_DP;
1164                 char *task_str = strstr(pkey, "proto=");
1165                 if (task_str) {
1166                         task_str += strlen("proto=");
1167
1168                         if (STR_EQ(task_str, "ipv4")) {
1169                                 dest_proto = IPV4;
1170                         }
1171                         else if (STR_EQ(task_str, "arp")) {
1172                                 dest_proto = ARP;
1173                         }
1174                         else if (STR_EQ(task_str, "ipv6")) {
1175                                 dest_proto = IPV6;
1176                         }
1177                         else {
1178                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1179                                 return -1;
1180                         }
1181
1182                 }
1183
1184                 task_str = strstr(pkey, "task=");
1185
1186                 if (task_str) {
1187                         --task_str;
1188                         *task_str = 0;
1189                         task_str++;
1190                         task_str += strlen("task=");
1191                         char *task_str_end = strstr(task_str, " ");
1192                         if (task_str_end) {
1193                                 *task_str_end = 0;
1194                         }
1195                         if (0 == strlen(task_str)) {
1196                                 set_errf("Invalid task= syntax");
1197                                 return -1;
1198                         }
1199
1200                         switch (task_str[strlen(task_str) - 1]) {
1201                         case 'p':
1202                                 ctrl = CTRL_TYPE_PKT;
1203                                 break;
1204                         case 'm':
1205                                 ctrl = CTRL_TYPE_MSG;
1206                                 break;
1207                         case '\n':
1208                         case 0:
1209                                 break;
1210                         default:
1211                                 if (task_str[strlen(task_str) -1] < '0' ||
1212                                     task_str[strlen(task_str) -1] > '9') {
1213                                         set_errf("Unknown ring type %c.\n",
1214                                                  task_str[strlen(task_str) - 1]);
1215                                         return -1;
1216                                 }
1217                         }
1218
1219                         dest_task = atoi(task_str);
1220                         if (dest_task >= MAX_TASKS_PER_CORE) {
1221                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1222                                 return -1;
1223                         }
1224                 }
1225                 else {
1226                         dest_task = 0;
1227                 }
1228
1229                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1230
1231                 if (parse_task_set(cts, pkey))
1232                         return -1;
1233
1234                 if (cts->n_elems > MAX_WT_PER_LB) {
1235                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1236                         return -1;
1237                 }
1238
1239                 targ->nb_worker_threads = cts->n_elems;
1240                 targ->nb_txrings += cts->n_elems;
1241
1242                 return 0;
1243         }
1244         if (STR_EQ(str, "tx crc")) {
1245                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1246         }
1247         if (STR_EQ(str, "ring size")) {
1248                 return parse_int(&targ->ring_size, pkey);
1249         }
1250         if (STR_EQ(str, "mempool size")) {
1251                 return parse_kmg(&targ->nb_mbuf, pkey);
1252         }
1253
1254         else if (STR_EQ(str, "mbuf size")) {
1255                 return parse_int(&targ->mbuf_size, pkey);
1256         }
1257         if (STR_EQ(str, "memcache size")) {
1258                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1259         }
1260
1261         if (STR_EQ(str, "byte offset")) {
1262                 return parse_int(&targ->byte_offset, pkey);
1263         }
1264
1265         if (STR_EQ(str, "realtime scheduling")) {
1266                 return parse_flag(&lconf->flags, LCONF_FLAG_SCHED_RR, pkey);
1267         }
1268         if (STR_EQ(str, "name")) {
1269                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1270         }
1271         /* MPLS configuration */
1272         if (STR_EQ(str, "untag mpls")) {
1273                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1274         }
1275
1276         if (STR_EQ(str, "add mpls")) {
1277                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1278         }
1279
1280         if (STR_EQ(str, "ether type")) {
1281                 return parse_int(&targ->etype, pkey);
1282         }
1283
1284         if (STR_EQ(str, "cache set")) {
1285                 return parse_int(&lconf->cache_set, pkey);
1286         }
1287
1288         if (STR_EQ(str, "sub mode")) {
1289                 const char* mode_str = targ->task_init->mode_str;
1290                 const char *sub_mode_str = pkey;
1291
1292                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1293                 if (!targ->task_init) {
1294                         if (strcmp(sub_mode_str, "l3") != 0) {
1295                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1296                                 return -1;
1297                         }
1298                         targ->task_init = to_task_init(mode_str, "");
1299                         if (!targ->task_init) {
1300                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1301                                 return -1;
1302                         }
1303                 }
1304                 if (strcmp(sub_mode_str, "l3") == 0) {
1305                         prox_cfg.flags |= DSF_CTRL_PLANE_ENABLED;
1306                         targ->flags |= TASK_ARG_L3;
1307                         strcpy(targ->sub_mode_str, "l3");
1308                 } else {
1309                         strcpy(targ->sub_mode_str, targ->task_init->sub_mode_str);
1310                 }
1311                 return 0;
1312         }
1313
1314         if (STR_EQ(str, "mempool name")) {
1315                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1316         }
1317         if (STR_EQ(str, "dpi engine")) {
1318                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1319         }
1320         if (STR_EQ(str, "dpi engine arg")) {
1321                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1322                                  sizeof(targ->dpi_engine_args[0]));
1323         }
1324         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1325                 if (parse_mac(&targ->edaddr, pkey)) {
1326                         if (STR_EQ(pkey, "no")) {
1327                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1328                                 return 0;
1329                         }
1330                         if (STR_EQ(pkey, "packet") == 0)
1331                                 return -1;
1332                         else
1333                                 return 0;
1334                 }
1335                 targ->flags |= TASK_ARG_DST_MAC_SET;
1336                 return 0;
1337         }
1338         if (STR_EQ(str, "src mac")) {
1339                 if (parse_mac(&targ->esaddr, pkey)) {
1340                         if (STR_EQ(pkey, "no")) {
1341                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1342                                 return 0;
1343                         }
1344                         else if (STR_EQ(pkey, "packet"))
1345                                 return 0;
1346                         else if (STR_EQ(pkey, "hw")) {
1347                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1348                                 return 0;
1349                         } else {
1350                                 return -1;
1351                         }
1352                 }
1353                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1354                 return 0;
1355         }
1356         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1357                 if ((targ->flags & TASK_ARG_L3) == 0)
1358                         plog_warn("gateway ipv4 configured but L3 sub mode not enabled\n");
1359                 return parse_ip(&targ->gateway_ipv4, pkey);
1360         }
1361         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1362                 return parse_ip(&targ->local_ipv4, pkey);
1363         }
1364         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1365                 return parse_ip(&targ->remote_ipv4, pkey);
1366         }
1367         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1368                 return parse_ip6(&targ->local_ipv6, pkey);
1369         }
1370         if (STR_EQ(str, "arp timeout"))
1371                 return parse_int(&targ->arp_timeout, pkey);
1372         if (STR_EQ(str, "arp update time"))
1373                 return parse_int(&targ->arp_update_time, pkey);
1374         if (STR_EQ(str, "number of packets"))
1375                 return parse_int(&targ->n_pkts, pkey);
1376         if (STR_EQ(str, "pipes")) {
1377                 uint32_t val;
1378                 int err = parse_int(&val, pkey);
1379                 if (err)
1380                         return -1;
1381                 if (!val || !rte_is_power_of_2(val)) {
1382                         set_errf("Number of pipes has to be power of 2 and not zero");
1383                         return -1;
1384                 }
1385
1386                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1387                 return 0;
1388         }
1389         if (STR_EQ(str, "queue size")) {
1390                 uint32_t val;
1391                 int err = parse_int(&val, pkey);
1392                 if (err) {
1393                         return -1;
1394                 }
1395
1396                 targ->qos_conf.port_params.qsize[0] = val;
1397                 targ->qos_conf.port_params.qsize[1] = val;
1398                 targ->qos_conf.port_params.qsize[2] = val;
1399                 targ->qos_conf.port_params.qsize[3] = val;
1400                 return 0;
1401         }
1402         if (STR_EQ(str, "subport tb rate")) {
1403                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1404         }
1405         if (STR_EQ(str, "subport tb size")) {
1406                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1407         }
1408         if (STR_EQ(str, "subport tc 0 rate")) {
1409                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1410         }
1411         if (STR_EQ(str, "subport tc 1 rate")) {
1412                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1413         }
1414         if (STR_EQ(str, "subport tc 2 rate")) {
1415                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1416         }
1417         if (STR_EQ(str, "subport tc 3 rate")) {
1418                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1419         }
1420
1421         if (STR_EQ(str, "subport tc rate")) {
1422                 uint32_t val;
1423                 int err = parse_int(&val, pkey);
1424                 if (err) {
1425                         return -1;
1426                 }
1427
1428                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1429                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1430                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1431                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1432
1433                 return 0;
1434         }
1435         if (STR_EQ(str, "subport tc period")) {
1436                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1437         }
1438         if (STR_EQ(str, "pipe tb rate")) {
1439                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1440         }
1441         if (STR_EQ(str, "pipe tb size")) {
1442                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1443         }
1444         if (STR_EQ(str, "pipe tc rate")) {
1445                 uint32_t val;
1446                 int err = parse_int(&val, pkey);
1447                 if (err) {
1448                         return -1;
1449                 }
1450
1451                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1452                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1453                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1454                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1455                 return 0;
1456         }
1457         if (STR_EQ(str, "pipe tc 0 rate")) {
1458                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1459         }
1460         if (STR_EQ(str, "pipe tc 1 rate")) {
1461                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1462         }
1463         if (STR_EQ(str, "pipe tc 2 rate")) {
1464                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1465         }
1466         if (STR_EQ(str, "pipe tc 3 rate")) {
1467                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1468         }
1469         if (STR_EQ(str, "pipe tc period")) {
1470                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1471         }
1472         if (STR_EQ(str, "police action")) {
1473                 char *in = strstr(pkey, " io=");
1474                 if (in == NULL) {
1475                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1476                         return -1;
1477                 }
1478                 *in = 0;
1479                 in += strlen(" io=");
1480
1481                 char *out = strstr(in, ",");
1482                 if (out == NULL) {
1483                         set_errf("Output color not specified\n");
1484                 }
1485                 *out = 0;
1486                 out++;
1487
1488                 enum police_action in_color = str_to_color(in);
1489                 enum police_action out_color = str_to_color(out);
1490
1491                 if (in_color == ACT_INVALID) {
1492                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1493                         return -1;
1494                 }
1495                 if (out_color == ACT_INVALID) {
1496                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1497                         return -1;
1498                 }
1499                 enum police_action action = str_to_color(pkey);
1500                 if (action == ACT_INVALID) {
1501                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1502                         return -1;
1503                 }
1504                 targ->police_act[in_color][out_color] = action;
1505
1506                 return 0;
1507         }
1508         if (STR_EQ(str, "qinq tag")) {
1509                 return parse_int(&targ->qinq_tag, pkey);
1510         }
1511         if (STR_EQ(str, "cir")) {
1512                 return parse_int(&targ->cir, pkey);
1513         }
1514         if (STR_EQ(str, "cbs")) {
1515                 return parse_int(&targ->cbs, pkey);
1516         }
1517         if (STR_EQ(str, "pir")) {
1518                 return parse_int(&targ->pir, pkey);
1519         }
1520         if (STR_EQ(str, "pbs")) {
1521                 return parse_int(&targ->pbs, pkey);
1522         }
1523         if (STR_EQ(str, "ebs")) {
1524                 return parse_int(&targ->ebs, pkey);
1525         }
1526         uint32_t queue_id = 0;
1527         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1528                 uint32_t val;
1529                 int err = parse_int(&val, pkey);
1530                 if (err) {
1531                         return -1;
1532                 }
1533                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1534                 return 0;
1535         }
1536         if (STR_EQ(str, "classify")) {
1537                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1538                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1539                         return -1;
1540                 }
1541
1542                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1543         }
1544         if (STR_EQ(str, "flow table size")) {
1545                 return parse_int(&targ->flow_table_size, pkey);
1546         }
1547 #ifdef GRE_TP
1548         if (STR_EQ(str, "tbf rate")) {
1549                 return parse_int(&targ->tb_rate, pkey);
1550         }
1551         if (STR_EQ(str, "tbf size")) {
1552                 return parse_int(&targ->tb_size, pkey);
1553         }
1554 #endif
1555         if (STR_EQ(str, "max rules")) {
1556                 return parse_int(&targ->n_max_rules, pkey);
1557         }
1558
1559         if (STR_EQ(str, "tunnel hop limit")) {
1560                 uint32_t val;
1561                 int err = parse_int(&val, pkey);
1562                 if (err) {
1563                         return -1;
1564                 }
1565                 targ->tunnel_hop_limit = val;
1566                 return 0;
1567         }
1568
1569         if (STR_EQ(str, "lookup port mask")) {
1570                 uint32_t val;
1571                 int err = parse_int(&val, pkey);
1572                 if (err) {
1573                         return -1;
1574                 }
1575                 targ->lookup_port_mask = val;
1576                 return 0;
1577         }
1578
1579         if (STR_EQ(str, "irq debug")) {
1580                 parse_int(&targ->irq_debug, pkey);
1581                 return 0;
1582         }
1583
1584         set_errf("Option '%s' is not known", str);
1585         /* fail on unknown keys */
1586         return -1;
1587 }
1588
1589 static int str_is_number(const char *in)
1590 {
1591         int dot_once = 0;
1592
1593         for (size_t i = 0; i < strlen(in); ++i) {
1594                 if (!dot_once && in[i] == '.') {
1595                         dot_once = 1;
1596                         continue;
1597                 }
1598
1599                 if (in[i] < '0' || in[i] > '9')
1600                         return 0;
1601         }
1602
1603         return 1;
1604 }
1605
1606 /* command line parameters parsing procedure */
1607 int prox_parse_args(int argc, char **argv)
1608 {
1609         int i, opt, ret;
1610         char *tmp, *tmp2;
1611         char tmp3[64];
1612
1613         /* Default settings */
1614         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1615         prox_cfg.ui = PROX_UI_CURSES;
1616
1617         plog_info("\tCommand line:");
1618         for (i = 0; i < argc; ++i) {
1619                 plog_info(" %s", argv[i]);
1620         }
1621         plog_info("\n");
1622
1623         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1624                 switch (opt) {
1625                 case 'f':
1626                         /* path to config file */
1627                         cfg_file = optarg;
1628                         size_t offset = 0;
1629                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1630                                 if (cfg_file[i] == '/') {
1631                                         offset = i + 1;
1632                                 }
1633                         }
1634
1635                         strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1636                         break;
1637                 case 'v':
1638                         plog_set_lvl(atoi(optarg));
1639                         break;
1640                 case 'l':
1641                         prox_cfg.log_name_pid = 0;
1642                         strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1643                         break;
1644                 case 'p':
1645                         prox_cfg.log_name_pid = 1;
1646                         break;
1647                 case 'k':
1648                         prox_cfg.use_stats_logger = 1;
1649                         break;
1650                 case 'd':
1651                         prox_cfg.flags |= DSF_DAEMON;
1652                         prox_cfg.ui = PROX_UI_NONE;
1653                         break;
1654                 case 'z':
1655                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1656                         prox_cfg.flags |= DSF_CHECK_INIT;
1657                         break;
1658                 case 'n':
1659                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1660                         break;
1661                 case 'r':
1662                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1663                                 return -1;
1664                         strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1665                         break;
1666                 case 'o':
1667                         if (prox_cfg.flags & DSF_DAEMON)
1668                                 break;
1669
1670                         if (!strcmp(optarg, "curses")) {
1671                                 prox_cfg.ui = PROX_UI_CURSES;
1672                         }
1673                         else if (!strcmp(optarg, "cli")) {
1674                                 prox_cfg.ui = PROX_UI_CLI;
1675                         }
1676                         else if (!strcmp(optarg, "none")) {
1677                                 prox_cfg.ui = PROX_UI_NONE;
1678                         }
1679                         else {
1680                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1681                                 return -1;
1682                         }
1683                         break;
1684                 case 'q':
1685                         if (luaL_loadstring(prox_lua(), optarg)) {
1686                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1687                                 return -1;
1688                         }
1689
1690                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1691                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1692                                 return -1;
1693                         }
1694
1695                         break;
1696                 case 'a':
1697                         /* autostart all cores */
1698                         prox_cfg.flags |= DSF_AUTOSTART;
1699                         break;
1700                 case 'e':
1701                         /* don't autostart */
1702                         prox_cfg.flags &= ~DSF_AUTOSTART;
1703                         break;
1704                 case 't':
1705                         prox_cfg.flags |= DSF_LISTEN_TCP;
1706                         break;
1707                 case 'u':
1708                         prox_cfg.flags |= DSF_LISTEN_UDS;
1709                         break;
1710                 case 'm':
1711                         /* list supported task modes and exit */
1712                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1713                         break;
1714                 case 's':
1715                         /* check configuration file syntax and exit */
1716                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1717                         break;
1718                 case 'i':
1719                         /* check initialization sequence and exit */
1720                         prox_cfg.flags |= DSF_CHECK_INIT;
1721                         break;
1722                 case 'w':
1723                         tmp = optarg;
1724                         tmp2 = 0;
1725                         if (strlen(tmp) >= 3 &&
1726                             (tmp2 = strchr(tmp, '='))) {
1727                                 *tmp2 = 0;
1728                                 tmp3[0] = '$';
1729                                 strncpy(tmp3 + 1, tmp, 63);
1730                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1731                                 ret = add_var(tmp3, tmp2 + 1, 1);
1732                                 if (ret == -2) {
1733                                         plog_err("\tFailed to add variable, too many variables defines\n");
1734                                         return -1;
1735                                 }
1736                                 else if(ret == -3) {
1737                                         plog_err("\tFailed to add variable, already defined\n");
1738                                         return -1;
1739                                 }
1740                                 break;
1741                         }
1742                         /* fall-through */
1743                 default:
1744                         plog_err("\tUnknown option\n");
1745                         return -1;
1746                 }
1747         }
1748
1749         /* reset getopt lib for DPDK */
1750         optind = 0;
1751
1752         return 0;
1753 }
1754
1755 static int check_cfg(void)
1756 {
1757         /* Sanity check */
1758 #define RETURN_IF(cond, err)                    \
1759         if (cond) {                             \
1760                 plog_err(err);                  \
1761                 return -1;                      \
1762         };
1763
1764         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1765         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1766
1767 #undef RETURN_IF
1768
1769         return 0;
1770 }
1771
1772 static int calc_tot_rxrings(void)
1773 {
1774         struct lcore_cfg *slconf, *dlconf;
1775         struct task_args *starg, *dtarg;
1776         uint32_t dlcore_id;
1777         uint8_t dtask_id;
1778         struct core_task ct;
1779
1780         dlconf = NULL;
1781         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1782                 dtarg->tot_rxrings = 0;
1783         }
1784
1785         slconf = NULL;
1786         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1787                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1788                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1789                                 ct = starg->core_task_set[idx].core_task[ring_idx];
1790                                 if (!prox_core_active(ct.core, 0)) {
1791                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1792                                                  ct.core, slconf->id, starg->id);
1793                                         return -1;
1794                                 }
1795
1796                                 dlconf = &lcore_cfg_init[ct.core];
1797
1798                                 if (ct.task >= dlconf->n_tasks_all) {
1799                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1800                                         return -1;
1801                                 }
1802
1803                                 dtarg = &dlconf->targs[ct.task];
1804
1805                                 /* Control rings are not relevant at this point. */
1806                                 if (ct.type)
1807                                         continue;
1808
1809                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1810                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
1811                                                  ct.core, ct.task);
1812                                         return -1;
1813                                 }
1814
1815                                 dtarg->tot_rxrings++;
1816                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1817                                         set_errf("Core %u task %u is receiving from too many tasks",
1818                                                  ct.core, ct.task);
1819                                         return -1;
1820                                 }
1821                         }
1822                 }
1823         }
1824
1825         return 0;
1826 }
1827
1828 static void prox_set_core_mask(void)
1829 {
1830         struct lcore_cfg *lconf;
1831
1832         prox_core_clr();
1833         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1834                 lconf = &lcore_cfg_init[lcore_id];
1835                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1836                         prox_core_set_active(lcore_id);
1837                 }
1838         }
1839 }
1840
1841 static int is_using_no_drop(void)
1842 {
1843         uint32_t lcore_id;
1844         struct lcore_cfg *lconf;
1845         struct task_args *targs;
1846
1847         lcore_id = -1;
1848         while(prox_core_next(&lcore_id, 1) == 0) {
1849                 lconf = &lcore_cfg_init[lcore_id];
1850                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1851                         targs = &lconf->targs[task_id];
1852                         if (!(targs->flags & TASK_ARG_DROP))
1853                                 return 1;
1854                 }
1855         }
1856         return 0;
1857 }
1858
1859 int prox_read_config_file(void)
1860 {
1861         set_global_defaults(&prox_cfg);
1862         set_task_defaults(&prox_cfg, lcore_cfg_init);
1863         set_port_defaults();
1864         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1865         struct cfg_file *pcfg = cfg_open(cfg_file);
1866         if (pcfg == NULL) {
1867                 return -1;
1868         }
1869
1870         struct cfg_section* config_sections[] = {
1871                 &lua_cfg          ,
1872                 &var_cfg          ,
1873                 &eal_default_cfg  ,
1874                 &cache_set_cfg    ,
1875                 &port_cfg         ,
1876                 &defaults_cfg     ,
1877                 &settings_cfg     ,
1878                 &core_cfg         ,
1879                 NULL
1880         };
1881
1882         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1883                 const char* name = (*section)->name;
1884                 size_t len = strlen(name);
1885                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1886                 cfg_parse(pcfg, *section);
1887
1888                 if ((*section)->error) {
1889                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1890                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1891                                  strlen(get_parse_err())? get_parse_err() : err_str);
1892                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1893                         return -1;
1894                 }
1895         }
1896
1897         cfg_close(pcfg);
1898
1899         prox_set_core_mask();
1900
1901         if (is_using_no_drop()) {
1902                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1903         }
1904
1905         if (calc_tot_rxrings()) {
1906                 plog_err("Error in configuration: %s\n", err_str);
1907                 return -1;
1908         }
1909
1910         return check_cfg();
1911 }
1912
1913 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1914 {
1915         plog_err("\tError in rte_eal_init()\n");
1916 }
1917
1918 int prox_setup_rte(const char *prog_name)
1919 {
1920         char *rte_argv[MAX_RTE_ARGV];
1921         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1922         char tmp[PROX_CM_STR_LEN];
1923         /* create mask of used cores */
1924         plog_info("=== Setting up RTE EAL ===\n");
1925
1926         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1927                 plog_info("Using dummy cpu topology\n");
1928                 snprintf(tmp, sizeof(tmp), "0x1");
1929         } else {
1930                 prox_core_to_hex(tmp, sizeof(tmp), 0);
1931                 plog_info("\tWorker threads core mask is %s\n", tmp);
1932                 prox_core_to_hex(tmp, sizeof(tmp), 1);
1933                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1934         }
1935
1936         /* fake command line parameters for rte_eal_init() */
1937         int argc = 0;
1938         rte_argv[argc] = strdup(prog_name);
1939         sprintf(rte_arg[++argc], "-c%s", tmp);
1940         rte_argv[argc] = rte_arg[argc];
1941 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1942         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1943                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1944         else
1945                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1946         rte_argv[argc] = rte_arg[argc];
1947 #else
1948         /* For old DPDK versions, the master core had to be the first
1949            core. */
1950         uint32_t first_core = -1;
1951
1952         if (prox_core_next(&first_core, 1) == -1) {
1953                 plog_err("Can't core ID of first core in use\n");
1954                 return -1;
1955         }
1956         if (first_core != prox_cfg.master) {
1957                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1958                 return -1;
1959         }
1960 #endif
1961
1962         if (rte_cfg.memory) {
1963                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1964                 rte_argv[argc] = rte_arg[argc];
1965         }
1966
1967         if (rte_cfg.force_nchannel) {
1968                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1969                 rte_argv[argc] = rte_arg[argc];
1970         }
1971
1972         if (rte_cfg.force_nrank) {
1973                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1974                 rte_argv[argc] = rte_arg[argc];
1975         }
1976
1977         if (rte_cfg.no_hugetlbfs) {
1978                 strcpy(rte_arg[++argc], "--no-huge");
1979                 rte_argv[argc] = rte_arg[argc];
1980         }
1981
1982         if (rte_cfg.no_pci) {
1983                 strcpy(rte_arg[++argc], "--no-pci");
1984                 rte_argv[argc] = rte_arg[argc];
1985         }
1986
1987         if (rte_cfg.no_hpet) {
1988                 strcpy(rte_arg[++argc], "--no-hpet");
1989                 rte_argv[argc] = rte_arg[argc];
1990         }
1991
1992         if (rte_cfg.no_shconf) {
1993                 strcpy(rte_arg[++argc], "--no-shconf");
1994                 rte_argv[argc] = rte_arg[argc];
1995         }
1996
1997         if (rte_cfg.eal != NULL) {
1998                 char *ptr = rte_cfg.eal;
1999                 char *ptr2;
2000                 while (ptr != NULL) {
2001                         while (isspace(*ptr))
2002                                 ptr++;
2003                         ptr2 = ptr;
2004                         ptr = strchr(ptr, ' ');
2005                         if (ptr) {
2006                                 *ptr++ = '\0';
2007                         }
2008                         strcpy(rte_arg[++argc], ptr2);
2009                         rte_argv[argc] = rte_arg[argc];
2010                 }
2011         }
2012
2013         if (rte_cfg.hugedir != NULL) {
2014                 strcpy(rte_arg[++argc], "--huge-dir");
2015                 rte_argv[argc] = rte_arg[argc];
2016                 rte_argv[++argc] = rte_cfg.hugedir;
2017         }
2018
2019         if (rte_cfg.no_output) {
2020                 rte_log_set_global_level(0);
2021         }
2022         /* init EAL */
2023         plog_info("\tEAL command line:");
2024         if (argc >= MAX_RTE_ARGV) {
2025                 plog_err("too many arguments for EAL\n");
2026                 return -1;
2027         }
2028
2029         for (int h = 0; h <= argc; ++h) {
2030                 plog_info(" %s", rte_argv[h]);
2031         }
2032         plog_info("\n");
2033
2034         rte_set_application_usage_hook(failed_rte_eal_init);
2035         if (rte_eal_init(++argc, rte_argv) < 0) {
2036                 plog_err("\tError in rte_eal_init()\n");
2037                 return -1;
2038         }
2039         plog_info("\tEAL Initialized\n");
2040
2041         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2042                 return 0;
2043
2044         /* check if all active cores are in enabled in DPDK */
2045         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2046                 if (lcore_id == prox_cfg.master) {
2047                         if (!rte_lcore_is_enabled(lcore_id))
2048                                 return -1;
2049                 }
2050                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
2051                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2052                         return -1;
2053                 }
2054                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
2055                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2056                         return -1;
2057                 }
2058         }
2059         return 0;
2060 }