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         prox_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         prox_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         if (STR_EQ(str, "heartbeat timeout")) {
 342                 return parse_int(&pset->heartbeat_timeout, pkey);
 343         }
 344
 345         if (STR_EQ(str, "cpe table map")) {
 346                 /* The config defined ports through 0, 1, 2 ... which
 347                    need to be associated with ports. This is done
 348                    through defining it using "cpe table map=" */
 349                 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
 350         }
 351
 352         if (STR_EQ(str, "pre cmd")) {
 353                 return system(pkey);
 354         }
 355
 356         if (STR_EQ(str, "unique mempool per socket")) {
 357                 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
 358         }
 359
 360         if (STR_EQ(str, "log buffer size")) {
 361                 if (parse_kmg(&pset->logbuf_size, pkey)) {
 362                         return -1;
 363                 }
 364                 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
 365                 return 0;
 366         }
 367
 368         set_errf("Option '%s' is not known", str);
 369         return -1;
 370 }
 371
 372 /* [variable] parser */
 373 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 374 {
 375         return add_var(str, get_cfg_key(str), 0);
 376 }
 377
 378 /* [defaults] parser */
 379 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 380 {
 381         uint32_t val;
 382         char *pkey;
 383
 384         pkey = get_cfg_key(str);
 385         if (pkey == NULL) {
 386                 set_errf("Missing key after option");
 387                 return -1;
 388         }
 389
 390         if (STR_EQ(str, "mempool size")) {
 391
 392                 if (parse_kmg(&val, pkey)) {
 393                         return -1;
 394                 }
 395
 396                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 397                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 398                         cur_lcore_cfg_init->id = lcore_id;
 399                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 400                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 401                                 targ->nb_mbuf = val;
 402                                 targ->id = task_id;
 403                         }
 404                 }
 405                 return 0;
 406         }
 407
 408         if (STR_EQ(str, "qinq tag")) {
 409                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 410                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 411                         cur_lcore_cfg_init->id = lcore_id;
 412                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 413                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 414                                 parse_int(&targ->qinq_tag, pkey);
 415                         }
 416                 }
 417                 return 0;
 418         }
 419         if (STR_EQ(str, "memcache size")) {
 420
 421                 if (parse_kmg(&val, pkey)) {
 422                         return -1;
 423                 }
 424
 425                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 426                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 427                         cur_lcore_cfg_init->id = lcore_id;
 428                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 429                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 430                                 targ->nb_cache_mbuf = val;
 431                         }
 432                 }
 433                 return 0;
 434         }
 435
 436         set_errf("Option '%s' is not known", str);
 437         return -1;
 438 }
 439
 440 /* [cache set] parser */
 441 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
 442 {
 443         struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
 444
 445         uint8_t cur_if = sindex & ~CFG_INDEXED;
 446
 447         if (cur_if >= PROX_MAX_CACHE_SET) {
 448                 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
 449                 return -1;
 450         }
 451
 452         cfg = &prox_cache_set_cfg[cur_if];
 453
 454         if (str == NULL || data == NULL) {
 455                 return -1;
 456         }
 457
 458         char *pkey = get_cfg_key(str);
 459
 460         if (pkey == NULL) {
 461                 set_errf("Missing key after option");
 462                 return -1;
 463         }
 464
 465         if (STR_EQ(str, "mask")) {
 466                 uint32_t val;
 467                 int err = parse_int(&val, pkey);
 468                 if (err) {
 469                         return -1;
 470                 }
 471                 cfg->mask = val;
 472                 cfg->socket_id = -1;
 473                 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
 474                 return 0;
 475         }
 476         return 0;
 477 }
 478
 479 /* [port] parser */
 480 static int get_port_cfg(unsigned sindex, char *str, void *data)
 481 {
 482         struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
 483
 484         uint8_t cur_if = sindex & ~CFG_INDEXED;
 485
 486         if (cur_if >= PROX_MAX_PORTS) {
 487                 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
 488                 return -1;
 489         }
 490
 491         cfg = &prox_port_cfg[cur_if];
 492
 493         if (str == NULL || data == NULL) {
 494                 return -1;
 495         }
 496
 497         char *pkey = get_cfg_key(str);
 498
 499         if (pkey == NULL) {
 500                 set_errf("Missing key after option");
 501                 return -1;
 502         }
 503
 504         if (STR_EQ(str, "mac")) {
 505                 if (STR_EQ(pkey, "hardware")) {
 506                         cfg->type = PROX_PORT_MAC_HW;
 507                 }
 508                 else if (STR_EQ(pkey, "random")) {
 509                         cfg->type = PROX_PORT_MAC_RAND;
 510                 }
 511                 else {
 512                         cfg->type = PROX_PORT_MAC_SET;
 513                         if (parse_mac(&cfg->eth_addr, pkey)) {
 514                                 return -1;
 515                         }
 516                 }
 517         }
 518         else if (STR_EQ(str, "name")) {
 519                 uint32_t val;
 520                 prox_strncpy(cfg->name, pkey, MAX_NAME_SIZE);
 521                 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
 522                 return add_port_name(cur_if, pkey);
 523         }
 524         else if (STR_EQ(str, "rx desc")) {
 525                 return parse_int(&cfg->n_rxd, pkey);
 526         }
 527         else if (STR_EQ(str, "tx desc")) {
 528                 return parse_int(&cfg->n_txd, pkey);
 529         }
 530         else if (STR_EQ(str, "promiscuous")) {
 531                 uint32_t val;
 532                 if (parse_bool(&val, pkey)) {
 533                         return -1;
 534                 }
 535                 cfg->promiscuous = val;
 536         }
 537         else if (STR_EQ(str, "multicast")) {
 538                 uint32_t val;
 539                 if (cfg->nb_mc_addr >= NB_MCAST_ADDR) {
 540                         plog_err("too many multicast addresses\n");
 541                         return -1;
 542                 }
 543                 if (parse_mac(&cfg->mc_addr[cfg->nb_mc_addr], pkey)) {
 544                         return -1;
 545                 }
 546                 cfg->nb_mc_addr++ ;
 547         }
 548         else if (STR_EQ(str, "lsc")) {
 549                 cfg->lsc_set_explicitely = 1;
 550                 uint32_t val;
 551                 if (parse_bool(&val, pkey)) {
 552                         return -1;
 553                 }
 554                 cfg->lsc_val = val;
 555         }
 556 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 557         else if (STR_EQ(str, "disable tx offload")) {
 558                 uint32_t val;
 559                 if (parse_int(&val, pkey)) {
 560                         return -1;
 561                 }
 562                 if (val)
 563                         cfg->disabled_tx_offload = val;
 564         }
 565 #endif
 566         else if (STR_EQ(str, "strip crc")) {
 567                 uint32_t val;
 568                 if (parse_bool(&val, pkey)) {
 569                         return -1;
 570                 }
 571                 if (val)
 572                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_CRC_STRIP;
 573                 else
 574                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_CRC_STRIP;
 575         }
 576         else if (STR_EQ(str, "vlan")) {
 577 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 578                 uint32_t val;
 579                 if (parse_bool(&val, pkey)) {
 580                         return -1;
 581                 }
 582                 if (val) {
 583                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_VLAN_STRIP;
 584                         cfg->requested_tx_offload |= DEV_TX_OFFLOAD_VLAN_INSERT;
 585                 } else {
 586                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
 587                         cfg->requested_tx_offload &= ~DEV_TX_OFFLOAD_VLAN_INSERT;
 588                 }
 589 #else
 590                 plog_warn("vlan option not supported : update DPDK at least to 18.08 to support this option\n");
 591 #endif
 592         }
 593         else if (STR_EQ(str, "mtu size")) {
 594                 uint32_t val;
 595                 if (parse_int(&val, pkey)) {
 596                         return -1;
 597                 }
 598                 if (val) {
 599                         cfg->mtu = val;
 600                         // A frame of 1526 bytes (1500 bytes mtu, 14 bytes hdr, 4 bytes crc and 8 bytes vlan)
 601                         // should not be considered as a jumbo frame. However rte_ethdev.c considers that
 602                         // the max_rx_pkt_len for a non jumbo frame is 1518
 603                         cfg->port_conf.rxmode.max_rx_pkt_len = cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 604                         if (cfg->port_conf.rxmode.max_rx_pkt_len > ETHER_MAX_LEN) {
 605                                 cfg->requested_rx_offload |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 606                         }
 607                 }
 608         }
 609
 610         else if (STR_EQ(str, "rss")) {
 611                 uint32_t val;
 612                 if (parse_bool(&val, pkey)) {
 613                         return -1;
 614                 }
 615                 if (val) {
 616                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 617                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 618                 }
 619         }
 620         else if (STR_EQ(str, "rx_ring")) {
 621                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 622         }
 623         else if (STR_EQ(str, "tx_ring")) {
 624                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 625         }
 626
 627         return 0;
 628 }
 629
 630 static enum police_action str_to_color(const char *str)
 631 {
 632         if (STR_EQ(str, "green"))
 633                 return ACT_GREEN;
 634         if (STR_EQ(str, "yellow"))
 635                 return ACT_YELLOW;
 636         if (STR_EQ(str, "red"))
 637                 return ACT_RED;
 638         if (STR_EQ(str, "drop"))
 639                 return ACT_DROP;
 640         return ACT_INVALID;
 641 }
 642
 643 struct cfg_depr task_cfg_depr[] = {
 644         {"sig", ""},
 645 };
 646
 647 struct cfg_depr core_cfg_depr[] = {
 648         {"do sig", ""},
 649         {"lat", ""},
 650         {"network side", ""},
 651 };
 652
 653 /* [core] parser */
 654 static int get_core_cfg(unsigned sindex, char *str, void *data)
 655 {
 656         char *pkey;
 657         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 658
 659         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 660                 return -1;
 661         }
 662
 663         pkey = get_cfg_key(str);
 664         if (pkey == NULL) {
 665                 set_errf("Missing key after option");
 666                 return -1;
 667         }
 668
 669         uint32_t ncore = sindex & ~CFG_INDEXED;
 670         if (ncore >= RTE_MAX_LCORE) {
 671                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 672                 return -1;
 673         }
 674
 675         lconf = &lconf[ncore];
 676
 677         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 678                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 679                         set_errf("Option '%s' is deprecated%s%s",
 680                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 681                         return -1;
 682                 }
 683         }
 684
 685         char buff[128];
 686         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 687         set_self_var(buff);
 688         if (STR_EQ(str, "task")) {
 689
 690                 uint32_t val;
 691                 if (parse_int(&val, pkey)) {
 692                         return -1;
 693                 }
 694                 if (val >= MAX_TASKS_PER_CORE) {
 695                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 696                         return -1;
 697                 }
 698                 if (val != lconf->n_tasks_all) {
 699                         set_errf("Task ID skipped or defined twice");
 700                         return -1;
 701                 }
 702
 703                 lconf->active_task = val;
 704
 705                 lconf->targs[lconf->active_task].task = lconf->active_task;
 706
 707                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 708                         lconf->n_tasks_all = lconf->active_task + 1;
 709                 }
 710                 return 0;
 711         }
 712
 713         struct task_args *targ = &lconf->targs[lconf->active_task];
 714         if (STR_EQ(str, "tx ports from routing table")) {
 715                 uint32_t vals[PROX_MAX_PORTS];
 716                 uint32_t n_if;
 717                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 718                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 719                         return -1;
 720                 }
 721
 722                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 723                         return -1;
 724                 }
 725
 726                 for (uint8_t i = 0; i < n_if; ++i) {
 727                         targ->tx_port_queue[i].port = vals[i];
 728                         targ->nb_txports++;
 729                 }
 730                 targ->runtime_flags |= TASK_ROUTING;
 731                 return 0;
 732         }
 733         if (STR_EQ(str, "tx ports from cpe table")) {
 734                 uint32_t vals[PROX_MAX_PORTS];
 735                 int n_remap = -1;
 736                 uint32_t ret;
 737                 uint32_t val;
 738                 char* mapping_str = strstr(pkey, " remap=");
 739
 740                 if (mapping_str != NULL) {
 741                         *mapping_str = 0;
 742                         mapping_str += strlen(" remap=");
 743                         n_remap = parse_remap(targ->mapping, mapping_str);
 744                 }
 745
 746                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 747                         return -1;
 748                 }
 749
 750                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 751                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 752                         return -1;
 753                 }
 754
 755                 for (uint8_t i = 0; i < ret; ++i) {
 756                         targ->tx_port_queue[i].port = vals[i];
 757
 758                         /* default mapping this case is port0 -> port0 */
 759                         if (n_remap == -1) {
 760                                 targ->mapping[vals[i]] = i;
 761                         }
 762                 }
 763
 764                 targ->nb_txports = ret;
 765
 766                 return 0;
 767         }
 768         if (STR_EQ(str, "tx cores from routing table")) {
 769                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 770                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 771                         return -1;
 772                 }
 773
 774                 struct core_task_set *cts = &targ->core_task_set[0];
 775
 776                 if (parse_task_set(cts, pkey))
 777                         return -1;
 778
 779                 if (cts->n_elems > MAX_WT_PER_LB) {
 780                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 781                         return -1;
 782                 }
 783
 784                 targ->nb_worker_threads = cts->n_elems;
 785                 targ->nb_txrings = cts->n_elems;
 786
 787                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 788                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 789                         return -1;
 790                 }
 791
 792                 targ->runtime_flags |= TASK_ROUTING;
 793                 return 0;
 794         }
 795         if (STR_EQ(str, "tx cores from cpe table")) {
 796                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 797                 int ret, ret2;
 798                 char *mapping_str;
 799
 800                 mapping_str = strstr(pkey, " remap=");
 801                 if (mapping_str == NULL) {
 802                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 803                         return -1;
 804                 }
 805                 *mapping_str = 0;
 806                 mapping_str += strlen(" remap=");
 807                 ret = parse_remap(targ->mapping, mapping_str);
 808                 if (ret <= 0) {
 809                         return -1;
 810                 }
 811
 812                 struct core_task_set *cts = &targ->core_task_set[0];
 813
 814                 if (parse_task_set(cts, pkey))
 815                         return -1;
 816                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 817                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 818                         return -1;
 819                 }
 820
 821                 targ->nb_txrings = cts->n_elems;
 822
 823                 if (ret != targ->nb_txrings) {
 824                         set_errf("Expecting same number of remaps as cores\n", str);
 825                         return -1;
 826                 }
 827                 return 0;
 828         }
 829
 830         if (STR_EQ(str, "delay ms")) {
 831                 if (targ->delay_us) {
 832                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 833                         return -1;
 834                 }
 835                 uint32_t delay_ms;
 836                 int rc = parse_int(&delay_ms, pkey);
 837                 targ->delay_us = delay_ms * 1000;
 838                 return rc;
 839         }
 840         if (STR_EQ(str, "delay us")) {
 841                 if (targ->delay_us) {
 842                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 843                         return -1;
 844                 }
 845                 return parse_int(&targ->delay_us, pkey);
 846         }
 847         if (STR_EQ(str, "random delay us")) {
 848                 return parse_int(&targ->random_delay_us, pkey);
 849         }
 850         if (STR_EQ(str, "cpe table timeout ms")) {
 851                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 852         }
 853         if (STR_EQ(str, "ctrl path polling frequency")) {
 854                 int rc = parse_int(&targ->ctrl_freq, pkey);
 855                 if (rc == 0) {
 856                         if (targ->ctrl_freq == 0) {
 857                                 set_errf("ctrl frequency must be non null.");
 858                                 return -1;
 859                         }
 860                 }
 861                 return rc;
 862         }
 863
 864         if (STR_EQ(str, "handle arp")) {
 865                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 866         }
 867         if (STR_EQ(str, "fast path handle arp")) {
 868                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 869         }
 870
 871         /* Using tx port name, only a _single_ port can be assigned to a task. */
 872         if (STR_EQ(str, "tx port")) {
 873                 if (targ->nb_txports > 0) {
 874                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 875                         return -1;
 876                 }
 877
 878                 uint32_t n_if = 0;
 879                 uint32_t ports[PROX_MAX_PORTS];
 880
 881                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 882                         return -1;
 883                 }
 884
 885                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 886
 887                 for (uint8_t i = 0; i < n_if; ++i) {
 888                         targ->tx_port_queue[i].port = ports[i];
 889                         targ->nb_txports++;
 890                 }
 891
 892                 if (n_if > 1) {
 893                         targ->nb_worker_threads = targ->nb_txports;
 894                 }
 895
 896                 return 0;
 897         }
 898         if (STR_EQ(str, "rx ring")) {
 899                 uint32_t val;
 900                 int err = parse_bool(&val, pkey);
 901                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 902                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 903                         return -1;
 904                 }
 905
 906                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 907         }
 908         if (STR_EQ(str, "private")) {
 909                 return parse_bool(&targ->use_src, pkey);
 910         }
 911         if (STR_EQ(str, "use src ip")) {
 912                 return parse_bool(&targ->use_src, pkey);
 913         }
 914         if (STR_EQ(str, "nat table")) {
 915                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 916         }
 917         if (STR_EQ(str, "rules")) {
 918                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 919         }
 920         if (STR_EQ(str, "route table")) {
 921                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 922         }
 923         if (STR_EQ(str, "dscp")) {
 924                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 925         }
 926         if (STR_EQ(str, "tun_bindings")) {
 927                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 928         }
 929         if (STR_EQ(str, "cpe table")) {
 930                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 931         }
 932         if (STR_EQ(str, "user table")) {
 933                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 934         }
 935         if (STR_EQ(str, "streams")) {
 936                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 937         }
 938         if (STR_EQ(str, "local lpm")) {
 939                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 940         }
 941         if (STR_EQ(str, "drop")) {
 942                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 943         }
 944         if (STR_EQ(str, "loop")) {
 945                 parse_flag(&targ->loop, 1, pkey);
 946                 return parse_flag(&targ->loop, 1, pkey);
 947         }
 948         if (STR_EQ(str, "qinq")) {
 949                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 950         }
 951         if (STR_EQ(str, "bps")) {
 952                 return parse_u64(&targ->rate_bps, pkey);
 953         }
 954         if (STR_EQ(str, "random")) {
 955                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
 956         }
 957         if (STR_EQ(str, "rand_offset")) {
 958                 if (targ->n_rand_str == 0) {
 959                         set_errf("No random defined previously (use random=...)");
 960                         return -1;
 961                 }
 962
 963                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
 964         }
 965         if (STR_EQ(str, "keep src mac")) {
 966                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
 967         }
 968         if (STR_EQ(str, "pcap file")) {
 969                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
 970         }
 971         if (STR_EQ(str, "pkt inline")) {
 972                 char pkey2[MAX_CFG_STRING_LEN];
 973                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
 974                         set_errf("Error while parsing pkt line, too long\n");
 975                         return -1;
 976                 }
 977
 978                 const size_t pkey_len = strlen(pkey2);
 979                 targ->pkt_size = 0;
 980
 981                 for (size_t i = 0; i < pkey_len; ++i) {
 982                         if (pkey2[i] == ' ')
 983                                 continue;
 984
 985                         if (i + 1 == pkey_len) {
 986                                 set_errf("Incomplete byte at character %z", i);
 987                                 return -1;
 988                         }
 989
 990                         uint8_t byte = 0;
 991
 992                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
 993                                 byte = (pkey2[i] - '0') << 4;
 994                         }
 995                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
 996                                 byte = (pkey2[i] - 'a' + 10) << 4;
 997                         }
 998                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
 999                                 byte = (pkey2[i] - 'A' + 10) << 4;
1000                         }
1001                         else {
1002                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
1003                                 return -1;
1004                         }
1005
1006                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
1007                                 byte |= (pkey2[i + 1] - '0');
1008                         }
1009                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
1010                                 byte |= (pkey2[i + 1] - 'a' + 10);
1011                         }
1012                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
1013                                 byte |= (pkey2[i + 1] - 'A' + 10);
1014                         }
1015                         else {
1016                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
1017                                 return -1;
1018                         }
1019                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
1020                                 set_errf("Inline packet definition can't be longer than %u", sizeof(targ->pkt_inline));
1021                                 return -1;
1022                         }
1023
1024                         targ->pkt_inline[targ->pkt_size++] = byte;
1025                         i += 1;
1026                 }
1027
1028                 return 0;
1029         }
1030         if (STR_EQ(str, "accuracy limit nsec")) {
1031                 return parse_int(&targ->accuracy_limit_nsec, pkey);
1032         }
1033         if (STR_EQ(str, "latency bucket size")) {
1034                 return parse_int(&targ->bucket_size, pkey);
1035         }
1036         if (STR_EQ(str, "latency buffer size")) {
1037                 return parse_int(&targ->latency_buffer_size, pkey);
1038         }
1039         if (STR_EQ(str, "accuracy pos")) {
1040                 return parse_int(&targ->accur_pos, pkey);
1041         }
1042         if (STR_EQ(str, "signature")) {
1043                 return parse_int(&targ->sig, pkey);
1044         }
1045         if (STR_EQ(str, "signature pos")) {
1046                 return parse_int(&targ->sig_pos, pkey);
1047         }
1048         if (STR_EQ(str, "lat pos")) {
1049                 targ->lat_enabled = 1;
1050                 return parse_int(&targ->lat_pos, pkey);
1051         }
1052         if (STR_EQ(str, "packet id pos")) {
1053                 return parse_int(&targ->packet_id_pos, pkey);
1054         }
1055         if (STR_EQ(str, "probability")) {
1056                 float probability;
1057                 int rc = parse_float(&probability, pkey);
1058                 if (probability == 0) {
1059                         set_errf("Probability must be != 0\n");
1060                         return -1;
1061                 } else if (probability > 100.0) {
1062                         set_errf("Probability must be < 100\n");
1063                         return -1;
1064                 }
1065                 targ->probability = probability * 10000;
1066                 return rc;
1067         }
1068         if (STR_EQ(str, "concur conn")) {
1069                 return parse_int(&targ->n_concur_conn, pkey);
1070         }
1071         if (STR_EQ(str, "max setup rate")) {
1072                 return parse_int(&targ->max_setup_rate, pkey);
1073         }
1074         if (STR_EQ(str, "pkt size")) {
1075                 return parse_int(&targ->pkt_size, pkey);
1076         }
1077         if (STR_EQ(str, "min bulk size")) {
1078                 return parse_int(&targ->min_bulk_size, pkey);
1079         }
1080         if (STR_EQ(str, "max bulk size")) {
1081                 return parse_int(&targ->max_bulk_size, pkey);
1082         }
1083         if (STR_EQ(str, "rx port")) {
1084                 if (targ->flags & TASK_ARG_RX_RING) {
1085                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1086                         return -1;
1087                 }
1088                 uint32_t vals[PROX_MAX_PORTS];
1089                 uint32_t n_if;
1090
1091                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1092                         return -1;
1093                 }
1094
1095                 for (uint8_t i = 0; i < n_if; ++i) {
1096                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1097                         targ->rx_port_queue[i].port = vals[i];
1098                         targ->nb_rxports++;
1099                 }
1100                 return 0;
1101         }
1102
1103         if (STR_EQ(str, "mode")) {
1104                 /* Check deprecated task modes */
1105                 char mode[255];
1106                 int ret = parse_str(mode, pkey, sizeof(mode));
1107                 if (ret)
1108                         return ret;
1109
1110                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1111                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1112                                 set_errf("Task mode '%s' is deprecated%s%s",
1113                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1114                                 return -1;
1115                         }
1116                 }
1117
1118                 /* master is a special mode that is always needed (cannot be turned off) */
1119                 if (STR_EQ(mode, "master")) {
1120                         prox_cfg.master = ncore;
1121                         targ->mode = MASTER;
1122                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1123                                 set_errf("Master core can only have one task\n");
1124                                 return -1;
1125                         }
1126                         // Initialize number of tasks to 1 for master, even if no task specified
1127                         lconf->n_tasks_all = 1;
1128                         lconf->active_task = 0;
1129                         lconf->targs[lconf->active_task].task = 0;
1130                         struct task_init* task_init = to_task_init(mode, "");
1131                         if (task_init) {
1132                                 targ->mode = task_init->mode;
1133                         }
1134                         targ->task_init = task_init;
1135                         return 0;
1136                 }
1137
1138                 struct task_init* task_init = to_task_init(mode, "");
1139                 if (task_init) {
1140                         targ->mode = task_init->mode;
1141                 }
1142                 else {
1143                         set_errf("Task mode '%s' is invalid", mode);
1144                         tasks_list();
1145                         return -1;
1146                 }
1147                 targ->task_init = task_init;
1148                 return 0;
1149         }
1150         if (STR_EQ(str, "users")) {
1151                 return parse_int(&targ->n_flows, pkey);
1152         }
1153
1154         if (STR_EQ(str, "mark")) {
1155                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1156         }
1157
1158         if (STR_EQ(str, "mark green")) {
1159                 return parse_int(&targ->marking[0], pkey);
1160         }
1161
1162         if (STR_EQ(str, "mark yellow")) {
1163                 return parse_int(&targ->marking[1], pkey);
1164         }
1165
1166         if (STR_EQ(str, "mark red")) {
1167                 return parse_int(&targ->marking[2], pkey);
1168         }
1169
1170         if (STR_EQ(str, "tx cores")) {
1171                 uint8_t dest_task = 0;
1172                 /* if user did not specify, dest_port is left at default (first type) */
1173                 uint8_t dest_proto = 0;
1174                 uint8_t ctrl = CTRL_TYPE_DP;
1175                 char *task_str = strstr(pkey, "proto=");
1176                 if (task_str) {
1177                         task_str += strlen("proto=");
1178
1179                         if (STR_EQ(task_str, "ipv4")) {
1180                                 dest_proto = IPV4;
1181                         }
1182                         else if (STR_EQ(task_str, "arp")) {
1183                                 dest_proto = ARP;
1184                         }
1185                         else if (STR_EQ(task_str, "ipv6")) {
1186                                 dest_proto = IPV6;
1187                         }
1188                         else {
1189                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1190                                 return -1;
1191                         }
1192
1193                 }
1194
1195                 task_str = strstr(pkey, "task=");
1196
1197                 if (task_str) {
1198                         --task_str;
1199                         *task_str = 0;
1200                         task_str++;
1201                         task_str += strlen("task=");
1202                         char *task_str_end = strstr(task_str, " ");
1203                         if (task_str_end) {
1204                                 *task_str_end = 0;
1205                         }
1206                         if (0 == strlen(task_str)) {
1207                                 set_errf("Invalid task= syntax");
1208                                 return -1;
1209                         }
1210
1211                         switch (task_str[strlen(task_str) - 1]) {
1212                         case 'p':
1213                                 ctrl = CTRL_TYPE_PKT;
1214                                 break;
1215                         case 'm':
1216                                 ctrl = CTRL_TYPE_MSG;
1217                                 break;
1218                         case '\n':
1219                         case 0:
1220                                 break;
1221                         default:
1222                                 if (task_str[strlen(task_str) -1] < '0' ||
1223                                     task_str[strlen(task_str) -1] > '9') {
1224                                         set_errf("Unknown ring type %c.\n",
1225                                                  task_str[strlen(task_str) - 1]);
1226                                         return -1;
1227                                 }
1228                         }
1229
1230                         dest_task = atoi(task_str);
1231                         if (dest_task >= MAX_TASKS_PER_CORE) {
1232                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1233                                 return -1;
1234                         }
1235                 }
1236                 else {
1237                         dest_task = 0;
1238                 }
1239
1240                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1241
1242                 if (parse_task_set(cts, pkey))
1243                         return -1;
1244
1245                 if (cts->n_elems > MAX_WT_PER_LB) {
1246                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1247                         return -1;
1248                 }
1249
1250                 targ->nb_worker_threads = cts->n_elems;
1251                 targ->nb_txrings += cts->n_elems;
1252
1253                 return 0;
1254         }
1255         if (STR_EQ(str, "tx crc")) {
1256                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1257         }
1258         if (STR_EQ(str, "ring size")) {
1259                 return parse_int(&targ->ring_size, pkey);
1260         }
1261         if (STR_EQ(str, "mempool size")) {
1262                 return parse_kmg(&targ->nb_mbuf, pkey);
1263         }
1264
1265         else if (STR_EQ(str, "mbuf size")) {
1266                 return parse_int(&targ->mbuf_size, pkey);
1267         }
1268         if (STR_EQ(str, "memcache size")) {
1269                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1270         }
1271
1272         if (STR_EQ(str, "byte offset")) {
1273                 return parse_int(&targ->byte_offset, pkey);
1274         }
1275
1276         if (STR_EQ(str, "realtime scheduling")) {
1277                 return parse_flag(&lconf->flags, LCONF_FLAG_SCHED_RR, pkey);
1278         }
1279         if (STR_EQ(str, "name")) {
1280                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1281         }
1282         /* MPLS configuration */
1283         if (STR_EQ(str, "untag mpls")) {
1284                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1285         }
1286
1287         if (STR_EQ(str, "add mpls")) {
1288                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1289         }
1290
1291         if (STR_EQ(str, "ether type")) {
1292                 return parse_int(&targ->etype, pkey);
1293         }
1294
1295         if (STR_EQ(str, "cache set")) {
1296                 return parse_int(&lconf->cache_set, pkey);
1297         }
1298
1299         if (STR_EQ(str, "sub mode")) {
1300                 const char* mode_str = targ->task_init->mode_str;
1301                 const char *sub_mode_str = pkey;
1302
1303                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1304                 if (!targ->task_init) {
1305                         if (strcmp(sub_mode_str, "l3") != 0) {
1306                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1307                                 return -1;
1308                         }
1309                         targ->task_init = to_task_init(mode_str, "");
1310                         if (!targ->task_init) {
1311                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1312                                 return -1;
1313                         }
1314                 }
1315                 if (strcmp(sub_mode_str, "l3") == 0) {
1316                         prox_cfg.flags |= DSF_CTRL_PLANE_ENABLED;
1317                         targ->flags |= TASK_ARG_L3;
1318                         strcpy(targ->sub_mode_str, "l3");
1319                 } else {
1320                         strcpy(targ->sub_mode_str, targ->task_init->sub_mode_str);
1321                 }
1322                 return 0;
1323         }
1324
1325         if (STR_EQ(str, "mempool name")) {
1326                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1327         }
1328         if (STR_EQ(str, "dpi engine")) {
1329                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1330         }
1331         if (STR_EQ(str, "dpi engine arg")) {
1332                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1333                                  sizeof(targ->dpi_engine_args[0]));
1334         }
1335         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1336                 if (parse_mac(&targ->edaddr, pkey)) {
1337                         if (STR_EQ(pkey, "no")) {
1338                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1339                                 return 0;
1340                         }
1341                         if (STR_EQ(pkey, "packet") == 0)
1342                                 return -1;
1343                         else
1344                                 return 0;
1345                 }
1346                 targ->flags |= TASK_ARG_DST_MAC_SET;
1347                 return 0;
1348         }
1349         if (STR_EQ(str, "src mac")) {
1350                 if (parse_mac(&targ->esaddr, pkey)) {
1351                         if (STR_EQ(pkey, "no")) {
1352                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1353                                 return 0;
1354                         }
1355                         else if (STR_EQ(pkey, "packet"))
1356                                 return 0;
1357                         else if (STR_EQ(pkey, "hw")) {
1358                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1359                                 return 0;
1360                         } else {
1361                                 return -1;
1362                         }
1363                 }
1364                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1365                 return 0;
1366         }
1367         if (STR_EQ(str, "igmp ipv4")) { /* IGMP Group */
1368                 return parse_ip(&targ->igmp_address, pkey);
1369         }
1370         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1371                 if ((targ->flags & TASK_ARG_L3) == 0)
1372                         plog_warn("gateway ipv4 configured but L3 sub mode not enabled\n");
1373                 return parse_ip(&targ->gateway_ipv4, pkey);
1374         }
1375         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1376                 return parse_ip(&targ->local_ipv4, pkey);
1377         }
1378         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1379                 return parse_ip(&targ->remote_ipv4, pkey);
1380         }
1381         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1382                 return parse_ip6(&targ->local_ipv6, pkey);
1383         }
1384         if (STR_EQ(str, "arp timeout"))
1385                 return parse_int(&targ->arp_timeout, pkey);
1386         if (STR_EQ(str, "arp update time"))
1387                 return parse_int(&targ->arp_update_time, pkey);
1388         if (STR_EQ(str, "number of packets"))
1389                 return parse_int(&targ->n_pkts, pkey);
1390         if (STR_EQ(str, "pipes")) {
1391                 uint32_t val;
1392                 int err = parse_int(&val, pkey);
1393                 if (err)
1394                         return -1;
1395                 if (!val || !rte_is_power_of_2(val)) {
1396                         set_errf("Number of pipes has to be power of 2 and not zero");
1397                         return -1;
1398                 }
1399
1400                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1401                 return 0;
1402         }
1403         if (STR_EQ(str, "queue size")) {
1404                 uint32_t val;
1405                 int err = parse_int(&val, pkey);
1406                 if (err) {
1407                         return -1;
1408                 }
1409
1410                 targ->qos_conf.port_params.qsize[0] = val;
1411                 targ->qos_conf.port_params.qsize[1] = val;
1412                 targ->qos_conf.port_params.qsize[2] = val;
1413                 targ->qos_conf.port_params.qsize[3] = val;
1414                 return 0;
1415         }
1416         if (STR_EQ(str, "subport tb rate")) {
1417                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1418         }
1419         if (STR_EQ(str, "subport tb size")) {
1420                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1421         }
1422         if (STR_EQ(str, "subport tc 0 rate")) {
1423                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1424         }
1425         if (STR_EQ(str, "subport tc 1 rate")) {
1426                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1427         }
1428         if (STR_EQ(str, "subport tc 2 rate")) {
1429                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1430         }
1431         if (STR_EQ(str, "subport tc 3 rate")) {
1432                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1433         }
1434
1435         if (STR_EQ(str, "subport tc rate")) {
1436                 uint32_t val;
1437                 int err = parse_int(&val, pkey);
1438                 if (err) {
1439                         return -1;
1440                 }
1441
1442                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1443                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1444                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1445                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1446
1447                 return 0;
1448         }
1449         if (STR_EQ(str, "subport tc period")) {
1450                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1451         }
1452         if (STR_EQ(str, "pipe tb rate")) {
1453                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1454         }
1455         if (STR_EQ(str, "pipe tb size")) {
1456                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1457         }
1458         if (STR_EQ(str, "pipe tc rate")) {
1459                 uint32_t val;
1460                 int err = parse_int(&val, pkey);
1461                 if (err) {
1462                         return -1;
1463                 }
1464
1465                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1466                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1467                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1468                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1469                 return 0;
1470         }
1471         if (STR_EQ(str, "pipe tc 0 rate")) {
1472                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1473         }
1474         if (STR_EQ(str, "pipe tc 1 rate")) {
1475                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1476         }
1477         if (STR_EQ(str, "pipe tc 2 rate")) {
1478                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1479         }
1480         if (STR_EQ(str, "pipe tc 3 rate")) {
1481                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1482         }
1483         if (STR_EQ(str, "pipe tc period")) {
1484                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1485         }
1486         if (STR_EQ(str, "police action")) {
1487                 char *in = strstr(pkey, " io=");
1488                 if (in == NULL) {
1489                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1490                         return -1;
1491                 }
1492                 *in = 0;
1493                 in += strlen(" io=");
1494
1495                 char *out = strstr(in, ",");
1496                 if (out == NULL) {
1497                         set_errf("Output color not specified\n");
1498                 }
1499                 *out = 0;
1500                 out++;
1501
1502                 enum police_action in_color = str_to_color(in);
1503                 enum police_action out_color = str_to_color(out);
1504
1505                 if (in_color == ACT_INVALID) {
1506                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1507                         return -1;
1508                 }
1509                 if (out_color == ACT_INVALID) {
1510                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1511                         return -1;
1512                 }
1513                 enum police_action action = str_to_color(pkey);
1514                 if (action == ACT_INVALID) {
1515                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1516                         return -1;
1517                 }
1518                 targ->police_act[in_color][out_color] = action;
1519
1520                 return 0;
1521         }
1522         if (STR_EQ(str, "qinq tag")) {
1523                 return parse_int(&targ->qinq_tag, pkey);
1524         }
1525         if (STR_EQ(str, "cir")) {
1526                 return parse_int(&targ->cir, pkey);
1527         }
1528         if (STR_EQ(str, "cbs")) {
1529                 return parse_int(&targ->cbs, pkey);
1530         }
1531         if (STR_EQ(str, "pir")) {
1532                 return parse_int(&targ->pir, pkey);
1533         }
1534         if (STR_EQ(str, "pbs")) {
1535                 return parse_int(&targ->pbs, pkey);
1536         }
1537         if (STR_EQ(str, "ebs")) {
1538                 return parse_int(&targ->ebs, pkey);
1539         }
1540         uint32_t queue_id = 0;
1541         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1542                 uint32_t val;
1543                 int err = parse_int(&val, pkey);
1544                 if (err) {
1545                         return -1;
1546                 }
1547                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1548                 return 0;
1549         }
1550         if (STR_EQ(str, "classify")) {
1551                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1552                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1553                         return -1;
1554                 }
1555
1556                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1557         }
1558         if (STR_EQ(str, "flow table size")) {
1559                 return parse_int(&targ->flow_table_size, pkey);
1560         }
1561 #ifdef GRE_TP
1562         if (STR_EQ(str, "tbf rate")) {
1563                 return parse_int(&targ->tb_rate, pkey);
1564         }
1565         if (STR_EQ(str, "tbf size")) {
1566                 return parse_int(&targ->tb_size, pkey);
1567         }
1568 #endif
1569         if (STR_EQ(str, "max rules")) {
1570                 return parse_int(&targ->n_max_rules, pkey);
1571         }
1572
1573         if (STR_EQ(str, "tunnel hop limit")) {
1574                 uint32_t val;
1575                 int err = parse_int(&val, pkey);
1576                 if (err) {
1577                         return -1;
1578                 }
1579                 targ->tunnel_hop_limit = val;
1580                 return 0;
1581         }
1582
1583         if (STR_EQ(str, "lookup port mask")) {
1584                 uint32_t val;
1585                 int err = parse_int(&val, pkey);
1586                 if (err) {
1587                         return -1;
1588                 }
1589                 targ->lookup_port_mask = val;
1590                 return 0;
1591         }
1592
1593         if (STR_EQ(str, "irq debug")) {
1594                 parse_int(&targ->irq_debug, pkey);
1595                 return 0;
1596         }
1597
1598         set_errf("Option '%s' is not known", str);
1599         /* fail on unknown keys */
1600         return -1;
1601 }
1602
1603 static int str_is_number(const char *in)
1604 {
1605         int dot_once = 0;
1606
1607         for (size_t i = 0; i < strlen(in); ++i) {
1608                 if (!dot_once && in[i] == '.') {
1609                         dot_once = 1;
1610                         continue;
1611                 }
1612
1613                 if (in[i] < '0' || in[i] > '9')
1614                         return 0;
1615         }
1616
1617         return 1;
1618 }
1619
1620 /* command line parameters parsing procedure */
1621 int prox_parse_args(int argc, char **argv)
1622 {
1623         int i, opt, ret;
1624         char *tmp, *tmp2;
1625         char tmp3[64];
1626
1627         /* Default settings */
1628         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1629         prox_cfg.ui = PROX_UI_CURSES;
1630
1631         plog_info("\tCommand line:");
1632         for (i = 0; i < argc; ++i) {
1633                 plog_info(" %s", argv[i]);
1634         }
1635         plog_info("\n");
1636
1637         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1638                 switch (opt) {
1639                 case 'f':
1640                         /* path to config file */
1641                         cfg_file = optarg;
1642                         size_t offset = 0;
1643                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1644                                 if (cfg_file[i] == '/') {
1645                                         offset = i + 1;
1646                                 }
1647                         }
1648
1649                         prox_strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1650                         break;
1651                 case 'v':
1652                         plog_set_lvl(atoi(optarg));
1653                         break;
1654                 case 'l':
1655                         prox_cfg.log_name_pid = 0;
1656                         prox_strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1657                         break;
1658                 case 'p':
1659                         prox_cfg.log_name_pid = 1;
1660                         break;
1661                 case 'k':
1662                         prox_cfg.use_stats_logger = 1;
1663                         break;
1664                 case 'd':
1665                         prox_cfg.flags |= DSF_DAEMON;
1666                         prox_cfg.ui = PROX_UI_NONE;
1667                         break;
1668                 case 'z':
1669                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1670                         prox_cfg.flags |= DSF_CHECK_INIT;
1671                         break;
1672                 case 'n':
1673                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1674                         break;
1675                 case 'r':
1676                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1677                                 return -1;
1678                         prox_strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1679                         break;
1680                 case 'o':
1681                         if (prox_cfg.flags & DSF_DAEMON)
1682                                 break;
1683
1684                         if (!strcmp(optarg, "curses")) {
1685                                 prox_cfg.ui = PROX_UI_CURSES;
1686                         }
1687                         else if (!strcmp(optarg, "cli")) {
1688                                 prox_cfg.ui = PROX_UI_CLI;
1689                         }
1690                         else if (!strcmp(optarg, "none")) {
1691                                 prox_cfg.ui = PROX_UI_NONE;
1692                         }
1693                         else {
1694                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1695                                 return -1;
1696                         }
1697                         break;
1698                 case 'q':
1699                         if (luaL_loadstring(prox_lua(), optarg)) {
1700                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1701                                 return -1;
1702                         }
1703
1704                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1705                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1706                                 return -1;
1707                         }
1708
1709                         break;
1710                 case 'a':
1711                         /* autostart all cores */
1712                         prox_cfg.flags |= DSF_AUTOSTART;
1713                         break;
1714                 case 'e':
1715                         /* don't autostart */
1716                         prox_cfg.flags &= ~DSF_AUTOSTART;
1717                         break;
1718                 case 't':
1719                         prox_cfg.flags |= DSF_LISTEN_TCP;
1720                         break;
1721                 case 'u':
1722                         prox_cfg.flags |= DSF_LISTEN_UDS;
1723                         break;
1724                 case 'm':
1725                         /* list supported task modes and exit */
1726                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1727                         break;
1728                 case 's':
1729                         /* check configuration file syntax and exit */
1730                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1731                         break;
1732                 case 'i':
1733                         /* check initialization sequence and exit */
1734                         prox_cfg.flags |= DSF_CHECK_INIT;
1735                         break;
1736                 case 'w':
1737                         tmp = optarg;
1738                         tmp2 = 0;
1739                         if (strlen(tmp) >= 3 &&
1740                             (tmp2 = strchr(tmp, '='))) {
1741                                 *tmp2 = 0;
1742                                 tmp3[0] = '$';
1743                                 prox_strncpy(tmp3 + 1, tmp, 63);
1744                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1745                                 ret = add_var(tmp3, tmp2 + 1, 1);
1746                                 if (ret == -2) {
1747                                         plog_err("\tFailed to add variable, too many variables defines\n");
1748                                         return -1;
1749                                 }
1750                                 else if(ret == -3) {
1751                                         plog_err("\tFailed to add variable, already defined\n");
1752                                         return -1;
1753                                 }
1754                                 break;
1755                         }
1756                         /* fall-through */
1757                 default:
1758                         plog_err("\tUnknown option\n");
1759                         return -1;
1760                 }
1761         }
1762
1763         /* reset getopt lib for DPDK */
1764         optind = 0;
1765
1766         return 0;
1767 }
1768
1769 static int check_cfg(void)
1770 {
1771         /* Sanity check */
1772 #define RETURN_IF(cond, err)                    \
1773         if (cond) {                             \
1774                 plog_err(err);                  \
1775                 return -1;                      \
1776         };
1777
1778         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1779         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1780
1781 #undef RETURN_IF
1782
1783         return 0;
1784 }
1785
1786 static int calc_tot_rxrings(void)
1787 {
1788         struct lcore_cfg *slconf, *dlconf;
1789         struct task_args *starg, *dtarg;
1790         uint32_t dlcore_id;
1791         uint8_t dtask_id;
1792         struct core_task ct;
1793
1794         dlconf = NULL;
1795         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1796                 dtarg->tot_rxrings = 0;
1797         }
1798
1799         slconf = NULL;
1800         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1801                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1802                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1803                                 ct = starg->core_task_set[idx].core_task[ring_idx];
1804                                 if (!prox_core_active(ct.core, 0)) {
1805                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1806                                                  ct.core, slconf->id, starg->id);
1807                                         return -1;
1808                                 }
1809
1810                                 dlconf = &lcore_cfg_init[ct.core];
1811
1812                                 if (ct.task >= dlconf->n_tasks_all) {
1813                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1814                                         return -1;
1815                                 }
1816
1817                                 dtarg = &dlconf->targs[ct.task];
1818
1819                                 /* Control rings are not relevant at this point. */
1820                                 if (ct.type)
1821                                         continue;
1822
1823                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1824                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
1825                                                  ct.core, ct.task);
1826                                         return -1;
1827                                 }
1828
1829                                 dtarg->tot_rxrings++;
1830                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1831                                         set_errf("Core %u task %u is receiving from too many tasks",
1832                                                  ct.core, ct.task);
1833                                         return -1;
1834                                 }
1835                         }
1836                 }
1837         }
1838
1839         return 0;
1840 }
1841
1842 static void prox_set_core_mask(void)
1843 {
1844         struct lcore_cfg *lconf;
1845
1846         prox_core_clr();
1847         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1848                 lconf = &lcore_cfg_init[lcore_id];
1849                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1850                         prox_core_set_active(lcore_id);
1851                 }
1852         }
1853 }
1854
1855 static int is_using_no_drop(void)
1856 {
1857         uint32_t lcore_id;
1858         struct lcore_cfg *lconf;
1859         struct task_args *targs;
1860
1861         lcore_id = -1;
1862         while(prox_core_next(&lcore_id, 1) == 0) {
1863                 lconf = &lcore_cfg_init[lcore_id];
1864                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1865                         targs = &lconf->targs[task_id];
1866                         if (!(targs->flags & TASK_ARG_DROP))
1867                                 return 1;
1868                 }
1869         }
1870         return 0;
1871 }
1872
1873 int prox_read_config_file(void)
1874 {
1875         set_global_defaults(&prox_cfg);
1876         set_task_defaults(&prox_cfg, lcore_cfg_init);
1877         set_port_defaults();
1878         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1879         struct cfg_file *pcfg = cfg_open(cfg_file);
1880         if (pcfg == NULL) {
1881                 return -1;
1882         }
1883
1884         struct cfg_section* config_sections[] = {
1885                 &lua_cfg          ,
1886                 &var_cfg          ,
1887                 &eal_default_cfg  ,
1888                 &cache_set_cfg    ,
1889                 &port_cfg         ,
1890                 &defaults_cfg     ,
1891                 &settings_cfg     ,
1892                 &core_cfg         ,
1893                 NULL
1894         };
1895
1896         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1897                 const char* name = (*section)->name;
1898                 size_t len = strlen(name);
1899                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1900                 cfg_parse(pcfg, *section);
1901
1902                 if ((*section)->error) {
1903                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1904                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1905                                  strlen(get_parse_err())? get_parse_err() : err_str);
1906                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1907                         return -1;
1908                 }
1909         }
1910
1911         cfg_close(pcfg);
1912
1913         prox_set_core_mask();
1914
1915         if (is_using_no_drop()) {
1916                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1917         }
1918
1919         if (calc_tot_rxrings()) {
1920                 plog_err("Error in configuration: %s\n", err_str);
1921                 return -1;
1922         }
1923
1924         return check_cfg();
1925 }
1926
1927 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1928 {
1929         plog_err("\tError in rte_eal_init()\n");
1930 }
1931
1932 int prox_setup_rte(const char *prog_name)
1933 {
1934         char *rte_argv[MAX_RTE_ARGV];
1935         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1936         char tmp[PROX_CM_STR_LEN];
1937         /* create mask of used cores */
1938         plog_info("=== Setting up RTE EAL ===\n");
1939
1940         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1941                 plog_info("Using dummy cpu topology\n");
1942                 snprintf(tmp, sizeof(tmp), "0x1");
1943         } else {
1944                 prox_core_to_hex(tmp, sizeof(tmp), 0);
1945                 plog_info("\tWorker threads core mask is %s\n", tmp);
1946                 prox_core_to_hex(tmp, sizeof(tmp), 1);
1947                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1948         }
1949
1950         /* fake command line parameters for rte_eal_init() */
1951         int argc = 0;
1952         rte_argv[argc] = strdup(prog_name);
1953         sprintf(rte_arg[++argc], "-c%s", tmp);
1954         rte_argv[argc] = rte_arg[argc];
1955 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1956         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1957                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1958         else
1959                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1960         rte_argv[argc] = rte_arg[argc];
1961 #else
1962         /* For old DPDK versions, the master core had to be the first
1963            core. */
1964         uint32_t first_core = -1;
1965
1966         if (prox_core_next(&first_core, 1) == -1) {
1967                 plog_err("Can't core ID of first core in use\n");
1968                 return -1;
1969         }
1970         if (first_core != prox_cfg.master) {
1971                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1972                 return -1;
1973         }
1974 #endif
1975
1976         if (rte_cfg.memory) {
1977                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1978                 rte_argv[argc] = rte_arg[argc];
1979         }
1980
1981         if (rte_cfg.force_nchannel) {
1982                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1983                 rte_argv[argc] = rte_arg[argc];
1984         }
1985
1986         if (rte_cfg.force_nrank) {
1987                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1988                 rte_argv[argc] = rte_arg[argc];
1989         }
1990
1991         if (rte_cfg.no_hugetlbfs) {
1992                 strcpy(rte_arg[++argc], "--no-huge");
1993                 rte_argv[argc] = rte_arg[argc];
1994         }
1995
1996         if (rte_cfg.no_pci) {
1997                 strcpy(rte_arg[++argc], "--no-pci");
1998                 rte_argv[argc] = rte_arg[argc];
1999         }
2000
2001         if (rte_cfg.no_hpet) {
2002                 strcpy(rte_arg[++argc], "--no-hpet");
2003                 rte_argv[argc] = rte_arg[argc];
2004         }
2005
2006         if (rte_cfg.no_shconf) {
2007                 strcpy(rte_arg[++argc], "--no-shconf");
2008                 rte_argv[argc] = rte_arg[argc];
2009         }
2010
2011         if (rte_cfg.eal != NULL) {
2012                 char *ptr = rte_cfg.eal;
2013                 char *ptr2;
2014                 while (ptr != NULL) {
2015                         while (isspace(*ptr))
2016                                 ptr++;
2017                         ptr2 = ptr;
2018                         ptr = strchr(ptr, ' ');
2019                         if (ptr) {
2020                                 *ptr++ = '\0';
2021                         }
2022                         strcpy(rte_arg[++argc], ptr2);
2023                         rte_argv[argc] = rte_arg[argc];
2024                 }
2025         }
2026
2027         if (rte_cfg.hugedir != NULL) {
2028                 strcpy(rte_arg[++argc], "--huge-dir");
2029                 rte_argv[argc] = rte_arg[argc];
2030                 rte_argv[++argc] = rte_cfg.hugedir;
2031         }
2032
2033         if (rte_cfg.no_output) {
2034                 rte_log_set_global_level(0);
2035         }
2036         /* init EAL */
2037         plog_info("\tEAL command line:");
2038         if (argc >= MAX_RTE_ARGV) {
2039                 plog_err("too many arguments for EAL\n");
2040                 return -1;
2041         }
2042
2043         for (int h = 0; h <= argc; ++h) {
2044                 plog_info(" %s", rte_argv[h]);
2045         }
2046         plog_info("\n");
2047
2048         rte_set_application_usage_hook(failed_rte_eal_init);
2049         if (rte_eal_init(++argc, rte_argv) < 0) {
2050                 plog_err("\tError in rte_eal_init()\n");
2051                 return -1;
2052         }
2053         plog_info("\tEAL Initialized\n");
2054
2055         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2056                 return 0;
2057
2058         /* check if all active cores are in enabled in DPDK */
2059         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2060                 if (lcore_id == prox_cfg.master) {
2061                         if (!rte_lcore_is_enabled(lcore_id))
2062                                 return -1;
2063                 }
2064                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
2065                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2066                         return -1;
2067                 }
2068                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
2069                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2070                         return -1;
2071                 }
2072         }
2073         return 0;
2074 }