VNFs/DPPD-PROX/prox_args.c

   1 /*
   2 // Copyright (c) 2010-2020 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 "defines.h"
  39 #include "prox_ipv6.h"
  40 #include "prox_compat.h"
  41
  42 #define MAX_RTE_ARGV 64
  43 #define MAX_ARG_LEN  64
  44
  45 struct cfg_depr {
  46         const char *opt;
  47         const char *info;
  48 };
  49
  50 /* Helper macro */
  51 #define STR_EQ(s1, s2)  (!strcmp((s1), (s2)))
  52
  53 /* configuration files support */
  54 static int get_rte_cfg(unsigned sindex, char *str, void *data);
  55 static int get_global_cfg(unsigned sindex, char *str, void *data);
  56 static int get_port_cfg(unsigned sindex, char *str, void *data);
  57 static int get_defaults_cfg(unsigned sindex, char *str, void *data);
  58 static int get_cache_set_cfg(unsigned sindex, char *str, void *data);
  59 static int get_var_cfg(unsigned sindex, char *str, void *data);
  60 static int get_lua_cfg(unsigned sindex, char *str, void *data);
  61 static int get_core_cfg(unsigned sindex, char *str, void *data);
  62
  63 static const char *cfg_file = DEFAULT_CONFIG_FILE;
  64 static struct rte_cfg    rte_cfg;
  65 struct prox_cache_set_cfg  prox_cache_set_cfg[PROX_MAX_CACHE_SET];
  66
  67 static char format_err_str[1024];
  68 static const char *err_str = "Unknown error";
  69
  70 static struct cfg_section eal_default_cfg = {
  71         .name   = "eal options",
  72         .parser = get_rte_cfg,
  73         .data   = &rte_cfg,
  74         .indexp[0]  = 0,
  75         .nbindex = 1,
  76         .error  = 0
  77 };
  78
  79 static struct cfg_section port_cfg = {
  80         .name   = "port #",
  81         .parser = get_port_cfg,
  82         .data   = &prox_port_cfg,
  83         .indexp[0]  = 0,
  84         .nbindex = 1,
  85         .error  = 0
  86 };
  87
  88 static struct cfg_section var_cfg = {
  89         .name   = "variables",
  90         .parser = get_var_cfg,
  91         .data   = 0,
  92         .indexp[0]  = 0,
  93         .nbindex = 1,
  94         .error  = 0
  95 };
  96
  97 static struct cfg_section cache_set_cfg = {
  98         .name   = "cache set #",
  99         .parser = get_cache_set_cfg,
 100         .data   = &prox_cache_set_cfg,
 101         .indexp[0]  = 0,
 102         .nbindex = 1,
 103         .error  = 0
 104 };
 105
 106 static struct cfg_section defaults_cfg = {
 107         .name   = "defaults",
 108         .parser = get_defaults_cfg,
 109         .data   = 0,
 110         .indexp[0]  = 0,
 111         .nbindex = 1,
 112         .error  = 0
 113 };
 114
 115 static struct cfg_section settings_cfg = {
 116         .name   = "global",
 117         .parser = get_global_cfg,
 118         .data   = &prox_cfg,
 119         .indexp[0]  = 0,
 120         .nbindex = 1,
 121         .error  = 0
 122 };
 123
 124 static struct cfg_section lua_cfg = {
 125         .name = "lua",
 126         .parser = get_lua_cfg,
 127         .raw_lines = 1,
 128         .indexp[0] = 0,
 129         .nbindex = 1,
 130         .error = 0,
 131 };
 132
 133 static struct cfg_section core_cfg = {
 134         .name   = "core #",
 135         .parser = get_core_cfg,
 136         .data   = lcore_cfg_init,
 137         .indexp[0]  = 0,
 138         .nbindex = 1,
 139         .error  = 0
 140 };
 141
 142 struct deferred_port {
 143         struct task_args *targ;
 144         char name[256];
 145         uint8_t is_rx_port;
 146 };
 147
 148 static struct deferred_port deferred_port[PROX_MAX_PORTS];
 149 static int n_deferred_ports = 0;
 150
 151 static void set_errf(const char *format, ...)
 152 {
 153         va_list ap;
 154         va_start(ap, format);
 155         vsnprintf(format_err_str, sizeof(format_err_str), format, ap);
 156         va_end(ap);
 157         err_str = format_err_str;
 158 }
 159
 160 /* [eal options] parser */
 161 static int get_rte_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 162 {
 163         struct rte_cfg *pconfig = (struct rte_cfg *)data;
 164
 165         if (str == NULL || pconfig == NULL) {
 166                 return -1;
 167         }
 168
 169         char *pkey = get_cfg_key(str);
 170         if (pkey == NULL) {
 171                 set_errf("Missing key after option");
 172                 return -1;
 173         }
 174
 175         if (STR_EQ(str, "-m")) {
 176                 return parse_int(&pconfig->memory, pkey);
 177         }
 178         if (STR_EQ(str, "-n")) {
 179                 if (parse_int(&pconfig->force_nchannel, pkey)) {
 180                         return -1;
 181                 }
 182                 if (pconfig->force_nchannel == 0) {
 183                         set_errf("Invalid number of memory channels");
 184                         return -1;
 185                 }
 186                 return 0;
 187         }
 188         if (STR_EQ(str, "-r")) {
 189                 if (parse_int(&pconfig->force_nrank, pkey)) {
 190                         return -1;
 191                 }
 192                 if (pconfig->force_nrank == 0 || pconfig->force_nrank > 16) {
 193                         set_errf("Invalid number of memory ranks");
 194                         return -1;
 195                 }
 196                 return 0;
 197         }
 198         /* debug options */
 199         if (STR_EQ(str, "no-pci")) {
 200                 return parse_bool(&pconfig->no_pci, pkey);
 201         }
 202         if (STR_EQ(str, "no-hpet")) {
 203                 return parse_bool(&pconfig->no_hpet, pkey);
 204         }
 205         if (STR_EQ(str, "no-shconf")) {
 206                 return parse_bool(&pconfig->no_shconf, pkey);
 207         }
 208         if (STR_EQ(str, "no-huge")) {
 209                 return parse_bool(&pconfig->no_hugetlbfs, pkey);
 210         }
 211         if (STR_EQ(str, "no-output")) {
 212                 return parse_bool(&pconfig->no_output, pkey);
 213         }
 214
 215         if (STR_EQ(str, "huge-dir")) {
 216                 if (pconfig->hugedir) {
 217                         free(pconfig->hugedir);
 218                 }
 219                 pconfig->hugedir = strdup(pkey);
 220                 return 0;
 221         }
 222
 223         if (STR_EQ(str, "eal")) {
 224                 char eal[MAX_STR_LEN_PROC];
 225                 if (pconfig->eal) {
 226                         free(pconfig->eal);
 227                         pconfig->eal = NULL;
 228                 }
 229                 if (parse_str(eal, pkey, sizeof(eal)))
 230                         return -1;
 231                 pkey = eal;
 232                 strip_spaces(&pkey, 1);
 233                 if (*pkey)
 234                         pconfig->eal = strdup(pkey);
 235                 return 0;
 236         }
 237
 238         set_errf("Option '%s' is not known", str);
 239         return -1;
 240 }
 241
 242 struct cfg_depr global_cfg_depr[] = {
 243         {"virtualization", "This is now set automatically if needed"},
 244         {"qinq_tag", "This option is deprecated"},
 245         {"wait on quit", "This is now set automatically if needed"},
 246         {"version", ""}
 247 };
 248
 249 const char *get_cfg_dir(void)
 250 {
 251         static char dir[PATH_MAX];
 252         size_t end = strlen(cfg_file) - 1;
 253         while (end > 0 && cfg_file[end] != '/')
 254                 end--;
 255
 256         strncpy(dir, cfg_file, end);
 257         return dir;
 258 }
 259
 260 static int get_lua_cfg(__attribute__((unused)) unsigned sindex, __attribute__((unused)) char *str, __attribute__((unused)) void *data)
 261 {
 262         int status;
 263         char cwd[1024];
 264         if (NULL == getcwd(cwd, sizeof(cwd))) {
 265                 set_errf("Failed to get current directory while loading Lua file\n");
 266                 return -1;
 267         }
 268         status = chdir(get_cfg_dir());
 269         if (status) {
 270                 set_errf("Failed to change directory to '%s' while loading Lua file\n", get_cfg_dir());
 271                 return -1;
 272         }
 273
 274         struct lua_State *l = prox_lua();
 275
 276         char str_cpy[1024];
 277         prox_strncpy(str_cpy, str, sizeof(str_cpy));
 278         uint32_t len = strlen(str_cpy);
 279         str_cpy[len++] = '\n';
 280         str_cpy[len++] = 0;
 281
 282         status = luaL_loadstring(l, str_cpy);
 283         if (status) {
 284                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 285                 status = chdir(cwd);
 286                 return -1;
 287         }
 288
 289         status = lua_pcall(l, 0, LUA_MULTRET, 0);
 290         if (status) {
 291                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 292                 status = chdir(cwd);
 293                 return -1;
 294         }
 295
 296         status = chdir(cwd);
 297         if (status) {
 298                 set_errf("Failed to restore current directory to '%s' while loading Lua file\n", cwd);
 299                 return -1;
 300         }
 301
 302         return 0;
 303 }
 304
 305 /* [global] parser */
 306 static int get_global_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 307 {
 308         struct prox_cfg *pset = (struct prox_cfg *)data;
 309
 310         if (str == NULL || pset == NULL) {
 311                 return -1;
 312         }
 313
 314         char *pkey = get_cfg_key(str);
 315         if (pkey == NULL) {
 316                 set_errf("Missing key after option");
 317                 return -1;
 318         }
 319
 320         for (uint32_t i = 0; i < RTE_DIM(global_cfg_depr); ++i) {
 321                 if (STR_EQ(str, global_cfg_depr[i].opt)) {
 322                         set_errf("Option '%s' is deprecated%s%s",
 323                                  global_cfg_depr[i].opt, strlen(global_cfg_depr[i].info)? ": ": "", global_cfg_depr[i].info);
 324                         return -1;
 325                 }
 326         }
 327
 328         if (STR_EQ(str, "name")) {
 329                 return parse_str(pset->name, pkey, sizeof(pset->name));
 330         }
 331
 332         if (STR_EQ(str, "start time")) {
 333                 return parse_int(&pset->start_time, pkey);
 334         }
 335
 336         if (STR_EQ(str, "duration time")) {
 337                 return parse_int(&pset->duration_time, pkey);
 338         }
 339
 340         if (STR_EQ(str, "shuffle")) {
 341                 return parse_flag(&pset->flags, DSF_SHUFFLE, pkey);
 342         }
 343         if (STR_EQ(str, "disable cmt")) {
 344                 return parse_flag(&pset->flags, DSF_DISABLE_CMT, pkey);
 345         }
 346         if (STR_EQ(str, "mp rings")) {
 347                 return parse_flag(&pset->flags, DSF_MP_RINGS, pkey);
 348         }
 349         if (STR_EQ(str, "enable bypass")) {
 350                 return parse_flag(&pset->flags, DSF_ENABLE_BYPASS, pkey);
 351         }
 352         if (STR_EQ(str, "poll timeout")) {
 353                 return parse_int(&pset->poll_timeout, pkey);
 354         }
 355         if (STR_EQ(str, "heartbeat timeout")) {
 356                 return parse_int(&pset->heartbeat_timeout, pkey);
 357         }
 358
 359         if (STR_EQ(str, "cpe table map")) {
 360                 /* The config defined ports through 0, 1, 2 ... which
 361                    need to be associated with ports. This is done
 362                    through defining it using "cpe table map=" */
 363                 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
 364         }
 365
 366         if (STR_EQ(str, "pre cmd")) {
 367                 return system(pkey);
 368         }
 369
 370         if (STR_EQ(str, "unique mempool per socket")) {
 371                 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
 372         }
 373
 374         if (STR_EQ(str, "log buffer size")) {
 375                 if (parse_kmg(&pset->logbuf_size, pkey)) {
 376                         return -1;
 377                 }
 378                 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
 379                 return 0;
 380         }
 381
 382         set_errf("Option '%s' is not known", str);
 383         return -1;
 384 }
 385
 386 /* [variable] parser */
 387 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 388 {
 389         return add_var(str, get_cfg_key(str), 0);
 390 }
 391
 392 /* [defaults] parser */
 393 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 394 {
 395         uint32_t val;
 396         char *pkey;
 397
 398         pkey = get_cfg_key(str);
 399         if (pkey == NULL) {
 400                 set_errf("Missing key after option");
 401                 return -1;
 402         }
 403
 404         if (STR_EQ(str, "mempool size")) {
 405
 406                 if (parse_kmg(&val, pkey)) {
 407                         return -1;
 408                 }
 409
 410                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 411                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 412                         cur_lcore_cfg_init->id = lcore_id;
 413                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 414                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 415                                 targ->nb_mbuf = val;
 416                                 targ->id = task_id;
 417                         }
 418                 }
 419                 return 0;
 420         }
 421
 422         if (STR_EQ(str, "qinq tag")) {
 423                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 424                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 425                         cur_lcore_cfg_init->id = lcore_id;
 426                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 427                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 428                                 parse_int(&targ->qinq_tag, pkey);
 429                         }
 430                 }
 431                 return 0;
 432         }
 433         if (STR_EQ(str, "memcache size")) {
 434
 435                 if (parse_kmg(&val, pkey)) {
 436                         return -1;
 437                 }
 438
 439                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 440                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 441                         cur_lcore_cfg_init->id = lcore_id;
 442                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 443                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 444                                 targ->nb_cache_mbuf = val;
 445                         }
 446                 }
 447                 return 0;
 448         }
 449
 450         set_errf("Option '%s' is not known", str);
 451         return -1;
 452 }
 453
 454 /* [cache set] parser */
 455 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
 456 {
 457         struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
 458
 459         uint8_t cur_if = sindex & ~CFG_INDEXED;
 460
 461         if (cur_if >= PROX_MAX_CACHE_SET) {
 462                 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
 463                 return -1;
 464         }
 465
 466         cfg = &prox_cache_set_cfg[cur_if];
 467
 468         if (str == NULL || data == NULL) {
 469                 return -1;
 470         }
 471
 472         char *pkey = get_cfg_key(str);
 473
 474         if (pkey == NULL) {
 475                 set_errf("Missing key after option");
 476                 return -1;
 477         }
 478
 479         if (STR_EQ(str, "mask")) {
 480                 uint32_t val;
 481                 int err = parse_int(&val, pkey);
 482                 if (err) {
 483                         return -1;
 484                 }
 485                 cfg->mask = val;
 486                 cfg->socket_id = -1;
 487                 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
 488                 return 0;
 489         }
 490         return 0;
 491 }
 492
 493 /* [port] parser */
 494 static int get_port_cfg(unsigned sindex, char *str, void *data)
 495 {
 496         struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
 497
 498         uint8_t cur_if = sindex & ~CFG_INDEXED;
 499
 500         if (cur_if >= PROX_MAX_PORTS) {
 501                 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
 502                 return -1;
 503         }
 504
 505         cfg = &prox_port_cfg[cur_if];
 506
 507         if (str == NULL || data == NULL) {
 508                 return -1;
 509         }
 510
 511         char *pkey = get_cfg_key(str);
 512
 513         if (pkey == NULL) {
 514                 set_errf("Missing key after option");
 515                 return -1;
 516         }
 517
 518         if (STR_EQ(str, "mac")) {
 519                 if (STR_EQ(pkey, "hardware")) {
 520                         cfg->type = PROX_PORT_MAC_HW;
 521                 }
 522                 else if (STR_EQ(pkey, "random")) {
 523                         cfg->type = PROX_PORT_MAC_RAND;
 524                 }
 525                 else {
 526                         cfg->type = PROX_PORT_MAC_SET;
 527                         if (parse_mac(&cfg->eth_addr, pkey)) {
 528                                 return -1;
 529                         }
 530                 }
 531         }
 532         else if (STR_EQ(str, "name")) {
 533                 uint32_t val;
 534                 prox_strncpy(cfg->name, pkey, MAX_NAME_SIZE);
 535                 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
 536                 return add_port_name(cur_if, pkey);
 537         }
 538         else if (STR_EQ(str, "rx desc")) {
 539                 return parse_int(&cfg->n_rxd, pkey);
 540         }
 541         else if (STR_EQ(str, "tx desc")) {
 542                 return parse_int(&cfg->n_txd, pkey);
 543         }
 544         else if (STR_EQ(str, "promiscuous")) {
 545                 uint32_t val;
 546                 if (parse_bool(&val, pkey)) {
 547                         return -1;
 548                 }
 549                 cfg->promiscuous = val;
 550         }
 551         else if (STR_EQ(str, "multicast")) {
 552                 uint32_t val;
 553                 if (cfg->nb_mc_addr >= NB_MCAST_ADDR) {
 554                         plog_err("too many multicast addresses\n");
 555                         return -1;
 556                 }
 557                 if (parse_mac(&cfg->mc_addr[cfg->nb_mc_addr], pkey)) {
 558                         return -1;
 559                 }
 560                 cfg->nb_mc_addr++ ;
 561         }
 562         else if (STR_EQ(str, "lsc")) {
 563                 cfg->lsc_set_explicitely = 1;
 564                 uint32_t val;
 565                 if (parse_bool(&val, pkey)) {
 566                         return -1;
 567                 }
 568                 cfg->lsc_val = val;
 569         }
 570         else if (STR_EQ(str, "local ipv4")) {
 571                 return parse_ip(&cfg->ip, pkey);
 572         }
 573         else if (STR_EQ(str, "vdev")) {
 574                 prox_strncpy(cfg->vdev, pkey, MAX_NAME_SIZE);
 575         }
 576 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 577         else if (STR_EQ(str, "disable tx offload")) {
 578                 uint32_t val;
 579                 if (parse_int(&val, pkey)) {
 580                         return -1;
 581                 }
 582                 if (val)
 583                         cfg->disabled_tx_offload = val;
 584         }
 585 #endif
 586         else if (STR_EQ(str, "strip crc")) {
 587                 uint32_t val;
 588                 if (parse_bool(&val, pkey)) {
 589                         return -1;
 590                 }
 591 #if defined(DEV_RX_OFFLOAD_CRC_STRIP)
 592                 if (val)
 593                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_CRC_STRIP;
 594                 else
 595                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_CRC_STRIP;
 596 #else
 597 #if defined (DEV_RX_OFFLOAD_KEEP_CRC)
 598                 if (val)
 599                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_KEEP_CRC;
 600                 else
 601 #endif
 602                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_KEEP_CRC;
 603 #endif
 604
 605         }
 606         else if (STR_EQ(str, "vlan tag")) {
 607                 return parse_int(&cfg->vlan_tag, pkey);
 608         }
 609         else if (STR_EQ(str, "vlan")) {
 610 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 611                 uint32_t val;
 612                 if (parse_bool(&val, pkey)) {
 613                         return -1;
 614                 }
 615                 if (val) {
 616                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_VLAN_STRIP;
 617                         cfg->requested_tx_offload |= DEV_TX_OFFLOAD_VLAN_INSERT;
 618                 } else {
 619                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
 620                         cfg->requested_tx_offload &= ~DEV_TX_OFFLOAD_VLAN_INSERT;
 621                 }
 622 #else
 623                 plog_warn("vlan option not supported : update DPDK at least to 18.08 to support this option\n");
 624 #endif
 625         }
 626         else if (STR_EQ(str, "mtu size")) {
 627                 uint32_t val;
 628                 if (parse_int(&val, pkey)) {
 629                         return -1;
 630                 }
 631                 if (val) {
 632                         cfg->mtu = val;
 633                         // A frame of 1526 bytes (1500 bytes mtu, 14 bytes hdr, 4 bytes crc and 8 bytes vlan)
 634                         // should not be considered as a jumbo frame. However rte_ethdev.c considers that
 635                         // the max_rx_pkt_len for a non jumbo frame is 1518
 636                         cfg->port_conf.rxmode.max_rx_pkt_len = cfg->mtu + PROX_RTE_ETHER_HDR_LEN + PROX_RTE_ETHER_CRC_LEN;
 637                         if (cfg->port_conf.rxmode.max_rx_pkt_len > PROX_RTE_ETHER_MAX_LEN) {
 638                                 cfg->requested_rx_offload |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 639                         }
 640                 }
 641         }
 642
 643         else if (STR_EQ(str, "rss")) {
 644                 uint32_t val;
 645                 if (parse_bool(&val, pkey)) {
 646                         return -1;
 647                 }
 648                 if (val) {
 649                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 650                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 651                 }
 652         }
 653         else if (STR_EQ(str, "rx_ring")) {
 654                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 655         }
 656         else if (STR_EQ(str, "tx_ring")) {
 657                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 658         }
 659
 660         return 0;
 661 }
 662
 663 static enum police_action str_to_color(const char *str)
 664 {
 665         if (STR_EQ(str, "green"))
 666                 return ACT_GREEN;
 667         if (STR_EQ(str, "yellow"))
 668                 return ACT_YELLOW;
 669         if (STR_EQ(str, "red"))
 670                 return ACT_RED;
 671         if (STR_EQ(str, "drop"))
 672                 return ACT_DROP;
 673         return ACT_INVALID;
 674 }
 675
 676 struct cfg_depr task_cfg_depr[] = {
 677         {"sig", ""},
 678 };
 679
 680 struct cfg_depr core_cfg_depr[] = {
 681         {"do sig", ""},
 682         {"lat", ""},
 683         {"network side", ""},
 684 };
 685
 686 /* [core] parser */
 687 static int get_core_cfg(unsigned sindex, char *str, void *data)
 688 {
 689         char *pkey;
 690         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 691
 692         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 693                 return -1;
 694         }
 695
 696         pkey = get_cfg_key(str);
 697         if (pkey == NULL) {
 698                 set_errf("Missing key after option");
 699                 return -1;
 700         }
 701
 702         uint32_t ncore = sindex & ~CFG_INDEXED;
 703         if (ncore >= RTE_MAX_LCORE) {
 704                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 705                 return -1;
 706         }
 707
 708         lconf = &lconf[ncore];
 709
 710         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 711                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 712                         set_errf("Option '%s' is deprecated%s%s",
 713                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 714                         return -1;
 715                 }
 716         }
 717
 718         char buff[128];
 719         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 720         set_self_var(buff);
 721         if (STR_EQ(str, "task")) {
 722
 723                 uint32_t val;
 724                 if (parse_int(&val, pkey)) {
 725                         return -1;
 726                 }
 727                 if (val >= MAX_TASKS_PER_CORE) {
 728                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 729                         return -1;
 730                 }
 731                 if (val != lconf->n_tasks_all) {
 732                         set_errf("Task ID skipped or defined twice");
 733                         return -1;
 734                 }
 735
 736                 lconf->active_task = val;
 737
 738                 lconf->targs[lconf->active_task].task = lconf->active_task;
 739
 740                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 741                         lconf->n_tasks_all = lconf->active_task + 1;
 742                 }
 743                 return 0;
 744         }
 745
 746         struct task_args *targ = &lconf->targs[lconf->active_task];
 747         if (STR_EQ(str, "tx ports from routing table")) {
 748                 uint32_t vals[PROX_MAX_PORTS];
 749                 uint32_t n_if;
 750                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 751                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 752                         return -1;
 753                 }
 754
 755                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 756                         return -1;
 757                 }
 758
 759                 for (uint8_t i = 0; i < n_if; ++i) {
 760                         targ->tx_port_queue[i].port = vals[i];
 761                         targ->nb_txports++;
 762                 }
 763                 targ->runtime_flags |= TASK_ROUTING;
 764                 return 0;
 765         }
 766         if (STR_EQ(str, "tx ports from cpe table")) {
 767                 uint32_t vals[PROX_MAX_PORTS];
 768                 int n_remap = -1;
 769                 uint32_t ret;
 770                 uint32_t val;
 771                 char* mapping_str = strstr(pkey, " remap=");
 772
 773                 if (mapping_str != NULL) {
 774                         *mapping_str = 0;
 775                         mapping_str += strlen(" remap=");
 776                         n_remap = parse_remap(targ->mapping, mapping_str);
 777                 }
 778
 779                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 780                         return -1;
 781                 }
 782
 783                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 784                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 785                         return -1;
 786                 }
 787
 788                 for (uint8_t i = 0; i < ret; ++i) {
 789                         targ->tx_port_queue[i].port = vals[i];
 790
 791                         /* default mapping this case is port0 -> port0 */
 792                         if (n_remap == -1) {
 793                                 targ->mapping[vals[i]] = i;
 794                         }
 795                 }
 796
 797                 targ->nb_txports = ret;
 798
 799                 return 0;
 800         }
 801         if (STR_EQ(str, "tx cores from routing table")) {
 802                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 803                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 804                         return -1;
 805                 }
 806
 807                 struct core_task_set *cts = &targ->core_task_set[0];
 808
 809                 if (parse_task_set(cts, pkey))
 810                         return -1;
 811
 812                 if (cts->n_elems > MAX_WT_PER_LB) {
 813                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 814                         return -1;
 815                 }
 816
 817                 targ->nb_worker_threads = cts->n_elems;
 818                 targ->nb_txrings = cts->n_elems;
 819
 820                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 821                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 822                         return -1;
 823                 }
 824
 825                 targ->runtime_flags |= TASK_ROUTING;
 826                 return 0;
 827         }
 828         if (STR_EQ(str, "tx cores from cpe table")) {
 829                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 830                 int ret, ret2;
 831                 char *mapping_str;
 832
 833                 mapping_str = strstr(pkey, " remap=");
 834                 if (mapping_str == NULL) {
 835                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 836                         return -1;
 837                 }
 838                 *mapping_str = 0;
 839                 mapping_str += strlen(" remap=");
 840                 ret = parse_remap(targ->mapping, mapping_str);
 841                 if (ret <= 0) {
 842                         return -1;
 843                 }
 844
 845                 struct core_task_set *cts = &targ->core_task_set[0];
 846
 847                 if (parse_task_set(cts, pkey))
 848                         return -1;
 849                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 850                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 851                         return -1;
 852                 }
 853
 854                 targ->nb_txrings = cts->n_elems;
 855
 856                 if (ret != targ->nb_txrings) {
 857                         set_errf("Expecting same number of remaps as cores\n", str);
 858                         return -1;
 859                 }
 860                 return 0;
 861         }
 862
 863         if (STR_EQ(str, "delay ms")) {
 864                 if (targ->delay_us) {
 865                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 866                         return -1;
 867                 }
 868                 uint32_t delay_ms;
 869                 int rc = parse_int(&delay_ms, pkey);
 870                 targ->delay_us = delay_ms * 1000;
 871                 return rc;
 872         }
 873         if (STR_EQ(str, "delay us")) {
 874                 if (targ->delay_us) {
 875                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 876                         return -1;
 877                 }
 878                 return parse_int(&targ->delay_us, pkey);
 879         }
 880         if (STR_EQ(str, "random delay us")) {
 881                 return parse_int(&targ->random_delay_us, pkey);
 882         }
 883         if (STR_EQ(str, "cpe table timeout ms")) {
 884                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 885         }
 886         if (STR_EQ(str, "ctrl path polling frequency")) {
 887                 int rc = parse_int(&targ->ctrl_freq, pkey);
 888                 if (rc == 0) {
 889                         if (targ->ctrl_freq == 0) {
 890                                 set_errf("ctrl frequency must be non null.");
 891                                 return -1;
 892                         }
 893                 }
 894                 return rc;
 895         }
 896
 897         if (STR_EQ(str, "handle arp")) {
 898                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 899         }
 900         if (STR_EQ(str, "fast path handle arp")) {
 901                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 902         }
 903
 904         /* Using tx port name, only a _single_ port can be assigned to a task. */
 905         if (STR_EQ(str, "tx port")) {
 906                 if (targ->nb_txports > 0) {
 907                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 908                         return -1;
 909                 }
 910
 911                 uint32_t n_if = 0;
 912                 uint32_t ports[PROX_MAX_PORTS];
 913
 914                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 915                         // Port name not found, but could be a virtual device of a secondary process
 916                         // As DPDK not started yet, we can only check the config file to see whether we are a secondary process
 917                         if (rte_cfg.eal &&
 918                                         (strstr(rte_cfg.eal, "secondary") || strstr(rte_cfg.eal, "auto")) &&
 919                                         (n_deferred_ports < PROX_MAX_PORTS)) {
 920                                 prox_strncpy(deferred_port[n_deferred_ports].name, pkey, sizeof(deferred_port[n_deferred_ports].name));
 921                                 deferred_port[n_deferred_ports].is_rx_port = 0;
 922                                 deferred_port[n_deferred_ports++].targ = targ;
 923                                 return 0;
 924                         } else
 925                                 return -1;
 926                 }
 927
 928                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 929
 930                 for (uint8_t i = 0; i < n_if; ++i) {
 931                         targ->tx_port_queue[i].port = ports[i];
 932                         targ->nb_txports++;
 933                 }
 934
 935                 if (n_if > 1) {
 936                         targ->nb_worker_threads = targ->nb_txports;
 937                 }
 938
 939                 return 0;
 940         }
 941         if (STR_EQ(str, "rx ring")) {
 942                 uint32_t val;
 943                 int err = parse_bool(&val, pkey);
 944                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 945                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 946                         return -1;
 947                 }
 948
 949                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 950         }
 951         if (STR_EQ(str, "private")) {
 952                 return parse_bool(&targ->use_src, pkey);
 953         }
 954         if (STR_EQ(str, "use src ip")) {
 955                 return parse_bool(&targ->use_src, pkey);
 956         }
 957         if (STR_EQ(str, "nat table")) {
 958                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 959         }
 960         if (STR_EQ(str, "rules")) {
 961                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 962         }
 963         if (STR_EQ(str, "route table")) {
 964                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 965         }
 966         if (STR_EQ(str, "dscp")) {
 967                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 968         }
 969         if (STR_EQ(str, "tun_bindings")) {
 970                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 971         }
 972         if (STR_EQ(str, "cpe table")) {
 973                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 974         }
 975         if (STR_EQ(str, "user table")) {
 976                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 977         }
 978         if (STR_EQ(str, "streams")) {
 979                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 980         }
 981         if (STR_EQ(str, "Unsollicited NA")) {
 982                 return parse_flag(&targ->flags, TASK_ARG_SEND_NA_AT_STARTUP, pkey);
 983         }
 984         if (STR_EQ(str, "local lpm")) {
 985                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 986         }
 987         if (STR_EQ(str, "drop")) {
 988                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 989         }
 990         if (STR_EQ(str, "loop")) {
 991                 parse_flag(&targ->loop, 1, pkey);
 992                 return parse_flag(&targ->loop, 1, pkey);
 993         }
 994         if (STR_EQ(str, "qinq")) {
 995                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 996         }
 997         if (STR_EQ(str, "bps")) {
 998                 return parse_u64(&targ->rate_bps, pkey);
 999         }
1000         if (STR_EQ(str, "random")) {
1001                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
1002         }
1003         if (STR_EQ(str, "rand_offset")) {
1004                 if (targ->n_rand_str == 0) {
1005                         set_errf("No random defined previously (use random=...)");
1006                         return -1;
1007                 }
1008
1009                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
1010         }
1011         if (STR_EQ(str, "keep src mac")) {
1012                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
1013         }
1014         if (STR_EQ(str, "pcap file")) {
1015                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
1016         }
1017         if (STR_EQ(str, "imix")) {
1018                 char pkey2[MAX_CFG_STRING_LEN], *ptr;
1019                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
1020                         set_errf("Error while parsing imix, too long\n");
1021                         return -1;
1022                 }
1023                 const size_t pkey_len = strlen(pkey2);
1024                 targ->imix_nb_pkts = 0;
1025                 ptr = pkey2;
1026                 while (targ->imix_nb_pkts < MAX_IMIX_PKTS) {
1027                         if (parse_int(&targ->imix_pkt_sizes[targ->imix_nb_pkts], ptr) != 0)
1028                                 break;
1029                         targ->imix_nb_pkts++;
1030                         if ((ptr = strchr(ptr, ',')) == NULL)
1031                                 break;
1032                         ptr++;
1033                         if (targ->imix_nb_pkts == MAX_IMIX_PKTS) {
1034                                 set_errf("Too many packet sizes specified");
1035                                 return -1;
1036                         }
1037                 }
1038                 plog_info("%d IMIX packets:", targ->imix_nb_pkts);
1039                 for (size_t i = 0; i < targ->imix_nb_pkts; ++i) {
1040                         plog_info("%d ", targ->imix_pkt_sizes[i]);
1041                 }
1042                 plog_info("\n");
1043                 return 0;
1044         }
1045         if (STR_EQ(str, "pkt inline")) {
1046                 char pkey2[MAX_CFG_STRING_LEN];
1047                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
1048                         set_errf("Error while parsing pkt line, too long\n");
1049                         return -1;
1050                 }
1051
1052                 const size_t pkey_len = strlen(pkey2);
1053                 targ->pkt_size = 0;
1054
1055                 for (size_t i = 0; i < pkey_len; ++i) {
1056                         if (pkey2[i] == ' ')
1057                                 continue;
1058
1059                         if (i + 1 == pkey_len) {
1060                                 set_errf("Incomplete byte at character %z", i);
1061                                 return -1;
1062                         }
1063
1064                         uint8_t byte = 0;
1065
1066                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
1067                                 byte = (pkey2[i] - '0') << 4;
1068                         }
1069                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
1070                                 byte = (pkey2[i] - 'a' + 10) << 4;
1071                         }
1072                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
1073                                 byte = (pkey2[i] - 'A' + 10) << 4;
1074                         }
1075                         else {
1076                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
1077                                 return -1;
1078                         }
1079
1080                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
1081                                 byte |= (pkey2[i + 1] - '0');
1082                         }
1083                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
1084                                 byte |= (pkey2[i + 1] - 'a' + 10);
1085                         }
1086                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
1087                                 byte |= (pkey2[i + 1] - 'A' + 10);
1088                         }
1089                         else {
1090                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
1091                                 return -1;
1092                         }
1093                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
1094                                 set_errf("Inline packet definition can't be longer than %u", sizeof(targ->pkt_inline));
1095                                 return -1;
1096                         }
1097
1098                         targ->pkt_inline[targ->pkt_size++] = byte;
1099                         i += 1;
1100                 }
1101
1102                 return 0;
1103         }
1104         if (STR_EQ(str, "accuracy limit nsec")) {
1105                 return parse_int(&targ->accuracy_limit_nsec, pkey);
1106         }
1107         if (STR_EQ(str, "latency bucket size")) {
1108                 return parse_int(&targ->bucket_size, pkey);
1109         }
1110         if (STR_EQ(str, "latency buffer size")) {
1111                 return parse_int(&targ->latency_buffer_size, pkey);
1112         }
1113         if (STR_EQ(str, "accuracy pos")) {
1114                 return parse_int(&targ->accur_pos, pkey);
1115         }
1116         if (STR_EQ(str, "signature")) {
1117                 return parse_int(&targ->sig, pkey);
1118         }
1119         if (STR_EQ(str, "signature pos")) {
1120                 return parse_int(&targ->sig_pos, pkey);
1121         }
1122         if (STR_EQ(str, "lat pos")) {
1123                 targ->lat_enabled = 1;
1124                 return parse_int(&targ->lat_pos, pkey);
1125         }
1126         if (STR_EQ(str, "packet id pos")) {
1127                 return parse_int(&targ->packet_id_pos, pkey);
1128         }
1129         if (STR_EQ(str, "probability")) {
1130                 float probability;
1131                 int rc = parse_float(&probability, pkey);
1132                 if (probability == 0) {
1133                         set_errf("Probability must be != 0\n");
1134                         return -1;
1135                 } else if (probability > 100.0) {
1136                         set_errf("Probability must be < 100\n");
1137                         return -1;
1138                 }
1139                 targ->probability = probability * 10000;
1140                 return rc;
1141         }
1142         if (STR_EQ(str, "concur conn")) {
1143                 return parse_int(&targ->n_concur_conn, pkey);
1144         }
1145         if (STR_EQ(str, "max setup rate")) {
1146                 return parse_int(&targ->max_setup_rate, pkey);
1147         }
1148         if (STR_EQ(str, "pkt size")) {
1149                 return parse_int(&targ->pkt_size, pkey);
1150         }
1151         if (STR_EQ(str, "min bulk size")) {
1152                 return parse_int(&targ->min_bulk_size, pkey);
1153         }
1154         if (STR_EQ(str, "max bulk size")) {
1155                 return parse_int(&targ->max_bulk_size, pkey);
1156         }
1157         if (STR_EQ(str, "rx port")) {
1158                 if (targ->flags & TASK_ARG_RX_RING) {
1159                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1160                         return -1;
1161                 }
1162                 uint32_t vals[PROX_MAX_PORTS];
1163                 uint32_t n_if;
1164
1165                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1166                         // Port name not found, but could be a virtual device of a secondary process
1167                         // As DPDK not started yet, we can only check the config file to see whether we are a secondary process
1168                         if (rte_cfg.eal &&
1169                                         (strstr(rte_cfg.eal, "secondary") || strstr(rte_cfg.eal, "auto")) &&
1170                                         (n_deferred_ports < PROX_MAX_PORTS)) {
1171                                 prox_strncpy(deferred_port[n_deferred_ports].name, pkey, sizeof(deferred_port[n_deferred_ports].name));
1172                                 deferred_port[n_deferred_ports].is_rx_port = 1;
1173                                 deferred_port[n_deferred_ports++].targ = targ;
1174                                 return 0;
1175                         } else
1176                                 return -1;
1177                 }
1178
1179                 for (uint8_t i = 0; i < n_if; ++i) {
1180                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1181                         targ->rx_port_queue[i].port = vals[i];
1182                         targ->nb_rxports++;
1183                 }
1184                 return 0;
1185         }
1186
1187         if (STR_EQ(str, "mode")) {
1188                 /* Check deprecated task modes */
1189                 char mode[255];
1190                 int ret = parse_str(mode, pkey, sizeof(mode));
1191                 if (ret)
1192                         return ret;
1193
1194                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1195                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1196                                 set_errf("Task mode '%s' is deprecated%s%s",
1197                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1198                                 return -1;
1199                         }
1200                 }
1201
1202                 /* master is a special mode that is always needed (cannot be turned off) */
1203                 if (STR_EQ(mode, "master")) {
1204                         prox_cfg.master = ncore;
1205                         targ->mode = MASTER;
1206                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1207                                 set_errf("Master core can only have one task\n");
1208                                 return -1;
1209                         }
1210                         // Initialize number of tasks to 1 for master, even if no task specified
1211                         lconf->n_tasks_all = 1;
1212                         lconf->active_task = 0;
1213                         lconf->targs[lconf->active_task].task = 0;
1214                         struct task_init* task_init = to_task_init(mode, "");
1215                         if (task_init) {
1216                                 targ->mode = task_init->mode;
1217                         }
1218                         targ->task_init = task_init;
1219                         return 0;
1220                 }
1221
1222                 struct task_init* task_init = to_task_init(mode, "");
1223                 if (task_init) {
1224                         targ->mode = task_init->mode;
1225                 }
1226                 else {
1227                         set_errf("Task mode '%s' is invalid", mode);
1228                         tasks_list();
1229                         return -1;
1230                 }
1231                 targ->task_init = task_init;
1232                 return 0;
1233         }
1234         if (STR_EQ(str, "users")) {
1235                 return parse_int(&targ->n_flows, pkey);
1236         }
1237
1238         if (STR_EQ(str, "mark")) {
1239                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1240         }
1241
1242         if (STR_EQ(str, "mark green")) {
1243                 return parse_int(&targ->marking[0], pkey);
1244         }
1245
1246         if (STR_EQ(str, "mark yellow")) {
1247                 return parse_int(&targ->marking[1], pkey);
1248         }
1249
1250         if (STR_EQ(str, "mark red")) {
1251                 return parse_int(&targ->marking[2], pkey);
1252         }
1253
1254         if (STR_EQ(str, "tx cores")) {
1255                 uint8_t dest_task = 0;
1256                 /* if user did not specify, dest_port is left at default (first type) */
1257                 uint8_t dest_proto = 0;
1258                 uint8_t ctrl = CTRL_TYPE_DP;
1259                 char *task_str = strstr(pkey, "proto=");
1260                 if (task_str) {
1261                         task_str += strlen("proto=");
1262
1263                         if (STR_EQ(task_str, "ipv4")) {
1264                                 dest_proto = IPV4;
1265                         }
1266                         else if (STR_EQ(task_str, "arp")) {
1267                                 dest_proto = ARP;
1268                         }
1269                         else if (STR_EQ(task_str, "ipv6")) {
1270                                 dest_proto = IPV6;
1271                         }
1272                         else {
1273                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1274                                 return -1;
1275                         }
1276
1277                 }
1278
1279                 task_str = strstr(pkey, "task=");
1280
1281                 if (task_str) {
1282                         --task_str;
1283                         *task_str = 0;
1284                         task_str++;
1285                         task_str += strlen("task=");
1286                         char *task_str_end = strstr(task_str, " ");
1287                         if (task_str_end) {
1288                                 *task_str_end = 0;
1289                         }
1290                         if (0 == strlen(task_str)) {
1291                                 set_errf("Invalid task= syntax");
1292                                 return -1;
1293                         }
1294
1295                         switch (task_str[strlen(task_str) - 1]) {
1296                         case 'p':
1297                                 ctrl = CTRL_TYPE_PKT;
1298                                 break;
1299                         case 'm':
1300                                 ctrl = CTRL_TYPE_MSG;
1301                                 break;
1302                         case '\n':
1303                         case 0:
1304                                 break;
1305                         default:
1306                                 if (task_str[strlen(task_str) -1] < '0' ||
1307                                     task_str[strlen(task_str) -1] > '9') {
1308                                         set_errf("Unknown ring type %c.\n",
1309                                                  task_str[strlen(task_str) - 1]);
1310                                         return -1;
1311                                 }
1312                         }
1313
1314                         dest_task = atoi(task_str);
1315                         if (dest_task >= MAX_TASKS_PER_CORE) {
1316                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1317                                 return -1;
1318                         }
1319                 }
1320                 else {
1321                         dest_task = 0;
1322                 }
1323
1324                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1325
1326                 if (parse_task_set(cts, pkey))
1327                         return -1;
1328
1329                 if (cts->n_elems > MAX_WT_PER_LB) {
1330                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1331                         return -1;
1332                 }
1333
1334                 targ->nb_worker_threads = cts->n_elems;
1335                 targ->nb_txrings += cts->n_elems;
1336
1337                 return 0;
1338         }
1339         if (STR_EQ(str, "tx crc")) {
1340                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1341         }
1342         if (STR_EQ(str, "ring size")) {
1343                 return parse_int(&targ->ring_size, pkey);
1344         }
1345         if (STR_EQ(str, "mempool size")) {
1346                 return parse_kmg(&targ->nb_mbuf, pkey);
1347         }
1348
1349         else if (STR_EQ(str, "mbuf size")) {
1350                 return parse_int(&targ->mbuf_size, pkey);
1351         }
1352         if (STR_EQ(str, "memcache size")) {
1353                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1354         }
1355
1356         if (STR_EQ(str, "byte offset")) {
1357                 return parse_int(&targ->byte_offset, pkey);
1358         }
1359
1360         if (STR_EQ(str, "realtime scheduling")) {
1361                 return parse_flag(&lconf->flags, LCONF_FLAG_SCHED_RR, pkey);
1362         }
1363         if (STR_EQ(str, "name")) {
1364                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1365         }
1366         /* MPLS configuration */
1367         if (STR_EQ(str, "untag mpls")) {
1368                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1369         }
1370
1371         if (STR_EQ(str, "add mpls")) {
1372                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1373         }
1374
1375         if (STR_EQ(str, "ether type")) {
1376                 return parse_int(&targ->etype, pkey);
1377         }
1378
1379         if (STR_EQ(str, "cache set")) {
1380                 return parse_int(&lconf->cache_set, pkey);
1381         }
1382
1383         if (STR_EQ(str, "sub mode")) {
1384                 const char* mode_str = targ->task_init->mode_str;
1385                 const char *sub_mode_str = pkey;
1386
1387                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1388                 if (!targ->task_init) {
1389                         if ((strcmp(sub_mode_str, "l3") != 0) && (strcmp(sub_mode_str, "ndp") != 0)) {
1390                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1391                                 return -1;
1392                         }
1393                         targ->task_init = to_task_init(mode_str, "");
1394                         if (!targ->task_init) {
1395                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1396                                 return -1;
1397                         }
1398                 }
1399                 if (strcmp(sub_mode_str, "l3") == 0) {
1400                         prox_cfg.flags |= DSF_L3_ENABLED;
1401                         targ->flags |= TASK_ARG_L3;
1402                         strcpy(targ->sub_mode_str, "l3");
1403                 } else if (strcmp(sub_mode_str, "ndp") == 0) {
1404                         prox_cfg.flags |= DSF_NDP_ENABLED;
1405                         targ->flags |= TASK_ARG_NDP;
1406                         strcpy(targ->sub_mode_str, "ndp");
1407                 } else {
1408                         strcpy(targ->sub_mode_str, targ->task_init->sub_mode_str);
1409                 }
1410                 return 0;
1411         }
1412
1413         if (STR_EQ(str, "mempool name")) {
1414                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1415         }
1416         if (STR_EQ(str, "dpi engine")) {
1417                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1418         }
1419         if (STR_EQ(str, "dpi engine arg")) {
1420                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1421                                  sizeof(targ->dpi_engine_args[0]));
1422         }
1423         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1424                 if (parse_mac(&targ->edaddr, pkey)) {
1425                         if (STR_EQ(pkey, "no")) {
1426                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1427                                 return 0;
1428                         }
1429                         if (STR_EQ(pkey, "packet") == 0)
1430                                 return -1;
1431                         else
1432                                 return 0;
1433                 }
1434                 targ->flags |= TASK_ARG_DST_MAC_SET;
1435                 return 0;
1436         }
1437         if (STR_EQ(str, "src mac")) {
1438                 if (parse_mac(&targ->esaddr, pkey)) {
1439                         if (STR_EQ(pkey, "no")) {
1440                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1441                                 return 0;
1442                         }
1443                         else if (STR_EQ(pkey, "packet"))
1444                                 return 0;
1445                         else if (STR_EQ(pkey, "hw")) {
1446                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1447                                 return 0;
1448                         } else {
1449                                 return -1;
1450                         }
1451                 }
1452                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1453                 return 0;
1454         }
1455         if (STR_EQ(str, "igmp ipv4")) { /* IGMP Group */
1456                 return parse_ip(&targ->igmp_address, pkey);
1457         }
1458         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1459                 if ((targ->flags & TASK_ARG_L3) == 0)
1460                         plog_warn("gateway ipv4 configured but L3 sub mode not enabled\n");
1461                 if (targ->local_ipv4)
1462                         targ->local_prefix = 32;
1463                 return parse_ip(&targ->gateway_ipv4, pkey);
1464         }
1465         if (STR_EQ(str, "ipv6 router")) { /* we simulate an IPV6 router */
1466                 int rc = parse_flag(&targ->ipv6_router, 1, pkey);
1467                 if (!rc && targ->ipv6_router) {
1468                         plog_info("\tipv6 router configured => NDP enabled\n");
1469                         prox_cfg.flags |= DSF_NDP_ENABLED;
1470                         targ->flags |= TASK_ARG_NDP;
1471                         strcpy(targ->sub_mode_str, "ndp");
1472                 }
1473                 return 0;
1474         }
1475         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1476                 struct ip4_subnet cidr;
1477                 if (parse_ip4_cidr(&cidr, pkey) != 0) {
1478                         if (targ->gateway_ipv4)
1479                                 targ->local_prefix = 32;
1480                         else
1481                                 targ->local_prefix = 0;
1482                         return parse_ip(&targ->local_ipv4, pkey);
1483                 } else {
1484                         targ->local_ipv4 = cidr.ip;
1485                         targ->local_prefix = cidr.prefix;
1486                         return 0;
1487                 }
1488         }
1489         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1490                 return parse_ip(&targ->remote_ipv4, pkey);
1491         }
1492         if (STR_EQ(str, "global ipv6")) {
1493                 if (parse_ip6(&targ->global_ipv6, pkey) == 0) {
1494                         plog_info("\tglobal ipv6 configured => NDP enabled\n");
1495                         targ->flags |= TASK_ARG_NDP;
1496                         prox_cfg.flags |= DSF_NDP_ENABLED;
1497                         strcpy(targ->sub_mode_str, "ndp");
1498                 } else {
1499                         plog_err("Unable to parse content of local ipv6: %s\n", pkey);
1500                         return -1;
1501                 }
1502                 return 0;
1503         }
1504         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1505                 if (parse_ip6(&targ->local_ipv6, pkey) == 0) {
1506                         plog_info("\tlocal ipv6 configured => NDP enabled\n");
1507                         targ->flags |= TASK_ARG_NDP;
1508                         prox_cfg.flags |= DSF_NDP_ENABLED;
1509                         strcpy(targ->sub_mode_str, "ndp");
1510                 } else {
1511                         plog_err("Unable to parse content of local ipv6: %s\n", pkey);
1512                         return -1;
1513                 }
1514                 return 0;
1515         }
1516         if (STR_EQ(str, "router prefix")) {
1517                 if (parse_ip6(&targ->router_prefix, pkey) == 0) {
1518                         plog_info("\trouter prefix set to "IPv6_BYTES_FMT" (%s)\n", IPv6_BYTES(targ->router_prefix.bytes), IP6_Canonical(&targ->router_prefix));
1519                 } else {
1520                         plog_err("Unable to parse content of router prefix: %s\n", pkey);
1521                         return -1;
1522                 }
1523                 return 0;
1524         }
1525         if (STR_EQ(str, "arp timeout"))
1526                 return parse_int(&targ->reachable_timeout, pkey);
1527         if (STR_EQ(str, "arp update time"))
1528                 return parse_int(&targ->arp_ndp_retransmit_timeout, pkey);
1529         if (STR_EQ(str, "number of packets"))
1530                 return parse_int(&targ->n_pkts, pkey);
1531         if (STR_EQ(str, "pipes")) {
1532                 uint32_t val;
1533                 int err = parse_int(&val, pkey);
1534                 if (err)
1535                         return -1;
1536                 if (!val || !rte_is_power_of_2(val)) {
1537                         set_errf("Number of pipes has to be power of 2 and not zero");
1538                         return -1;
1539                 }
1540
1541                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1542                 return 0;
1543         }
1544         if (STR_EQ(str, "queue size")) {
1545                 uint32_t val;
1546                 int err = parse_int(&val, pkey);
1547                 if (err) {
1548                         return -1;
1549                 }
1550 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1551                 targ->qos_conf.subport_params[0].qsize[0] = val;
1552                 targ->qos_conf.subport_params[0].qsize[1] = val;
1553                 targ->qos_conf.subport_params[0].qsize[2] = val;
1554                 targ->qos_conf.subport_params[0].qsize[3] = val;
1555 #else
1556                 targ->qos_conf.port_params.qsize[0] = val;
1557                 targ->qos_conf.port_params.qsize[1] = val;
1558                 targ->qos_conf.port_params.qsize[2] = val;
1559                 targ->qos_conf.port_params.qsize[3] = val;
1560 #endif
1561                 return 0;
1562         }
1563         if (STR_EQ(str, "subport tb rate")) {
1564 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1565                 return parse_u64(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1566 #else
1567                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1568 #endif
1569         }
1570         if (STR_EQ(str, "subport tb size")) {
1571 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1572                 return parse_u64(&targ->qos_conf.subport_params[0].tb_size, pkey);
1573 #else
1574                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1575 #endif
1576         }
1577         if (STR_EQ(str, "subport tc 0 rate")) {
1578 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1579                 return parse_u64(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1580 #else
1581                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1582 #endif
1583         }
1584         if (STR_EQ(str, "subport tc 1 rate")) {
1585 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1586                 return parse_u64(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1587 #else
1588                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1589 #endif
1590         }
1591         if (STR_EQ(str, "subport tc 2 rate")) {
1592 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1593                 return parse_u64(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1594 #else
1595                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1596 #endif
1597         }
1598         if (STR_EQ(str, "subport tc 3 rate")) {
1599 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1600                 return parse_u64(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1601 #else
1602                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1603 #endif
1604         }
1605
1606         if (STR_EQ(str, "subport tc rate")) {
1607                 uint32_t val;
1608                 int err = parse_int(&val, pkey);
1609                 if (err) {
1610                         return -1;
1611                 }
1612
1613                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1614                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1615                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1616                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1617
1618                 return 0;
1619         }
1620         if (STR_EQ(str, "subport tc period")) {
1621 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1622                 return parse_u64(&targ->qos_conf.subport_params[0].tc_period, pkey);
1623 #else
1624                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1625 #endif
1626         }
1627         if (STR_EQ(str, "pipe tb rate")) {
1628 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1629                 return parse_u64(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1630 #else
1631                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1632 #endif
1633         }
1634         if (STR_EQ(str, "pipe tb size")) {
1635 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1636                 return parse_u64(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1637 #else
1638                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1639 #endif
1640         }
1641         if (STR_EQ(str, "pipe tc rate")) {
1642                 uint32_t val;
1643                 int err = parse_int(&val, pkey);
1644                 if (err) {
1645                         return -1;
1646                 }
1647
1648                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1649                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1650                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1651                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1652                 return 0;
1653         }
1654         if (STR_EQ(str, "pipe tc 0 rate")) {
1655 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1656                 return parse_u64(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1657 #else
1658                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1659 #endif
1660         }
1661         if (STR_EQ(str, "pipe tc 1 rate")) {
1662 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1663                 return parse_u64(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1664 #else
1665                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1666 #endif
1667         }
1668         if (STR_EQ(str, "pipe tc 2 rate")) {
1669 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1670                 return parse_u64(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1671 #else
1672                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1673 #endif
1674         }
1675         if (STR_EQ(str, "pipe tc 3 rate")) {
1676 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1677                 return parse_u64(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1678 #else
1679                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1680 #endif
1681         }
1682         if (STR_EQ(str, "pipe tc period")) {
1683 #if RTE_VERSION >= RTE_VERSION_NUM(19,11,0,0)
1684                 return parse_u64(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1685 #else
1686                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1687 #endif
1688         }
1689         if (STR_EQ(str, "police action")) {
1690                 char *in = strstr(pkey, " io=");
1691                 if (in == NULL) {
1692                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1693                         return -1;
1694                 }
1695                 *in = 0;
1696                 in += strlen(" io=");
1697
1698                 char *out = strstr(in, ",");
1699                 if (out == NULL) {
1700                         set_errf("Output color not specified\n");
1701                 }
1702                 *out = 0;
1703                 out++;
1704
1705                 enum police_action in_color = str_to_color(in);
1706                 enum police_action out_color = str_to_color(out);
1707
1708                 if (in_color == ACT_INVALID) {
1709                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1710                         return -1;
1711                 }
1712                 if (out_color == ACT_INVALID) {
1713                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1714                         return -1;
1715                 }
1716                 enum police_action action = str_to_color(pkey);
1717                 if (action == ACT_INVALID) {
1718                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1719                         return -1;
1720                 }
1721                 targ->police_act[in_color][out_color] = action;
1722
1723                 return 0;
1724         }
1725         if (STR_EQ(str, "qinq tag")) {
1726                 return parse_int(&targ->qinq_tag, pkey);
1727         }
1728         if (STR_EQ(str, "cir")) {
1729                 return parse_int(&targ->cir, pkey);
1730         }
1731         if (STR_EQ(str, "cbs")) {
1732                 return parse_int(&targ->cbs, pkey);
1733         }
1734         if (STR_EQ(str, "pir")) {
1735                 return parse_int(&targ->pir, pkey);
1736         }
1737         if (STR_EQ(str, "pbs")) {
1738                 return parse_int(&targ->pbs, pkey);
1739         }
1740         if (STR_EQ(str, "ebs")) {
1741                 return parse_int(&targ->ebs, pkey);
1742         }
1743         uint32_t queue_id = 0;
1744         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1745                 uint32_t val;
1746                 int err = parse_int(&val, pkey);
1747                 if (err) {
1748                         return -1;
1749                 }
1750                 if (queue_id >= RTE_SCHED_BE_QUEUES_PER_PIPE) {
1751                         set_errf("queue_id must be < %d", RTE_SCHED_BE_QUEUES_PER_PIPE);
1752                         return -1;
1753                 }
1754                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1755                 return 0;
1756         }
1757         if (STR_EQ(str, "classify")) {
1758                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1759                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1760                         return -1;
1761                 }
1762
1763                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1764         }
1765         if (STR_EQ(str, "flow table size")) {
1766                 return parse_int(&targ->flow_table_size, pkey);
1767         }
1768 #ifdef GRE_TP
1769         if (STR_EQ(str, "tbf rate")) {
1770                 return parse_int(&targ->tb_rate, pkey);
1771         }
1772         if (STR_EQ(str, "tbf size")) {
1773                 return parse_int(&targ->tb_size, pkey);
1774         }
1775 #endif
1776         if (STR_EQ(str, "max rules")) {
1777                 return parse_int(&targ->n_max_rules, pkey);
1778         }
1779
1780         if (STR_EQ(str, "tunnel hop limit")) {
1781                 uint32_t val;
1782                 int err = parse_int(&val, pkey);
1783                 if (err) {
1784                         return -1;
1785                 }
1786                 targ->tunnel_hop_limit = val;
1787                 return 0;
1788         }
1789
1790         if (STR_EQ(str, "lookup port mask")) {
1791                 uint32_t val;
1792                 int err = parse_int(&val, pkey);
1793                 if (err) {
1794                         return -1;
1795                 }
1796                 targ->lookup_port_mask = val;
1797                 return 0;
1798         }
1799
1800         if (STR_EQ(str, "irq debug")) {
1801                 parse_int(&targ->irq_debug, pkey);
1802                 return 0;
1803         }
1804
1805         set_errf("Option '%s' is not known", str);
1806         /* fail on unknown keys */
1807         return -1;
1808 }
1809
1810 static int str_is_number(const char *in)
1811 {
1812         int dot_once = 0;
1813
1814         for (size_t i = 0; i < strlen(in); ++i) {
1815                 if (!dot_once && in[i] == '.') {
1816                         dot_once = 1;
1817                         continue;
1818                 }
1819
1820                 if (in[i] < '0' || in[i] > '9')
1821                         return 0;
1822         }
1823
1824         return 1;
1825 }
1826
1827 /* command line parameters parsing procedure */
1828 int prox_parse_args(int argc, char **argv)
1829 {
1830         int i, opt, ret;
1831         char *tmp, *tmp2;
1832         char tmp3[64];
1833
1834         /* Default settings */
1835         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1836         prox_cfg.ui = PROX_UI_CURSES;
1837
1838         plog_info("\tCommand line:");
1839         for (i = 0; i < argc; ++i) {
1840                 plog_info(" %s", argv[i]);
1841         }
1842         plog_info("\n");
1843
1844         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1845                 switch (opt) {
1846                 case 'f':
1847                         /* path to config file */
1848                         cfg_file = optarg;
1849                         size_t offset = 0;
1850                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1851                                 if (cfg_file[i] == '/') {
1852                                         offset = i + 1;
1853                                 }
1854                         }
1855
1856                         prox_strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1857                         break;
1858                 case 'v':
1859                         plog_set_lvl(atoi(optarg));
1860                         break;
1861                 case 'l':
1862                         prox_cfg.log_name_pid = 0;
1863                         prox_strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1864                         break;
1865                 case 'p':
1866                         prox_cfg.log_name_pid = 1;
1867                         break;
1868                 case 'k':
1869                         prox_cfg.use_stats_logger = 1;
1870                         break;
1871                 case 'd':
1872                         prox_cfg.flags |= DSF_DAEMON;
1873                         prox_cfg.ui = PROX_UI_NONE;
1874                         break;
1875                 case 'z':
1876                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1877                         prox_cfg.flags |= DSF_CHECK_INIT;
1878                         break;
1879                 case 'n':
1880                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1881                         break;
1882                 case 'r':
1883                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1884                                 return -1;
1885                         prox_strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1886                         break;
1887                 case 'o':
1888                         if (prox_cfg.flags & DSF_DAEMON)
1889                                 break;
1890
1891                         if (!strcmp(optarg, "curses")) {
1892                                 prox_cfg.ui = PROX_UI_CURSES;
1893                         }
1894                         else if (!strcmp(optarg, "cli")) {
1895                                 prox_cfg.ui = PROX_UI_CLI;
1896                         }
1897                         else if (!strcmp(optarg, "none")) {
1898                                 prox_cfg.ui = PROX_UI_NONE;
1899                         }
1900                         else {
1901                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1902                                 return -1;
1903                         }
1904                         break;
1905                 case 'q':
1906                         if (luaL_loadstring(prox_lua(), optarg)) {
1907                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1908                                 return -1;
1909                         }
1910
1911                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1912                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1913                                 return -1;
1914                         }
1915
1916                         break;
1917                 case 'a':
1918                         /* autostart all cores */
1919                         prox_cfg.flags |= DSF_AUTOSTART;
1920                         break;
1921                 case 'e':
1922                         /* don't autostart */
1923                         prox_cfg.flags &= ~DSF_AUTOSTART;
1924                         break;
1925                 case 't':
1926                         prox_cfg.flags |= DSF_LISTEN_TCP;
1927                         break;
1928                 case 'u':
1929                         prox_cfg.flags |= DSF_LISTEN_UDS;
1930                         break;
1931                 case 'm':
1932                         /* list supported task modes and exit */
1933                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1934                         break;
1935                 case 's':
1936                         /* check configuration file syntax and exit */
1937                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1938                         break;
1939                 case 'i':
1940                         /* check initialization sequence and exit */
1941                         prox_cfg.flags |= DSF_CHECK_INIT;
1942                         break;
1943                 case 'w':
1944                         tmp = optarg;
1945                         tmp2 = 0;
1946                         if (strlen(tmp) >= 3 &&
1947                             (tmp2 = strchr(tmp, '='))) {
1948                                 *tmp2 = 0;
1949                                 tmp3[0] = '$';
1950                                 prox_strncpy(tmp3 + 1, tmp, 63);
1951                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1952                                 ret = add_var(tmp3, tmp2 + 1, 1);
1953                                 if (ret == -2) {
1954                                         plog_err("\tFailed to add variable, too many variables defines\n");
1955                                         return -1;
1956                                 }
1957                                 else if(ret == -3) {
1958                                         plog_err("\tFailed to add variable, already defined\n");
1959                                         return -1;
1960                                 }
1961                                 break;
1962                         }
1963                         /* fall-through */
1964                 default:
1965                         plog_err("\tUnknown option\n");
1966                         return -1;
1967                 }
1968         }
1969
1970         /* reset getopt lib for DPDK */
1971         optind = 0;
1972
1973         return 0;
1974 }
1975
1976 static int check_cfg(void)
1977 {
1978         /* Sanity check */
1979 #define RETURN_IF(cond, err)                    \
1980         if (cond) {                             \
1981                 plog_err(err);                  \
1982                 return -1;                      \
1983         };
1984
1985         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1986         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1987
1988 #undef RETURN_IF
1989
1990         return 0;
1991 }
1992
1993 static int calc_tot_rxrings(void)
1994 {
1995         struct lcore_cfg *slconf, *dlconf;
1996         struct task_args *starg, *dtarg;
1997         uint32_t dlcore_id;
1998         uint8_t dtask_id;
1999         struct core_task ct;
2000
2001         dlconf = NULL;
2002         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
2003                 dtarg->tot_rxrings = 0;
2004         }
2005
2006         slconf = NULL;
2007         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
2008                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
2009                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
2010                                 ct = starg->core_task_set[idx].core_task[ring_idx];
2011                                 if (!prox_core_active(ct.core, 0)) {
2012                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
2013                                                  ct.core, slconf->id, starg->id);
2014                                         return -1;
2015                                 }
2016
2017                                 dlconf = &lcore_cfg_init[ct.core];
2018
2019                                 if (ct.task >= dlconf->n_tasks_all) {
2020                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
2021                                         return -1;
2022                                 }
2023
2024                                 dtarg = &dlconf->targs[ct.task];
2025
2026                                 /* Control rings are not relevant at this point. */
2027                                 if (ct.type)
2028                                         continue;
2029
2030                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
2031                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
2032                                                  ct.core, ct.task);
2033                                         return -1;
2034                                 }
2035
2036                                 dtarg->tot_rxrings++;
2037                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
2038                                         set_errf("Core %u task %u is receiving from too many tasks",
2039                                                  ct.core, ct.task);
2040                                         return -1;
2041                                 }
2042                         }
2043                 }
2044         }
2045
2046         return 0;
2047 }
2048
2049 static void prox_set_core_mask(void)
2050 {
2051         struct lcore_cfg *lconf;
2052
2053         prox_core_clr();
2054         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2055                 lconf = &lcore_cfg_init[lcore_id];
2056                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
2057                         prox_core_set_active(lcore_id);
2058                 }
2059         }
2060 }
2061
2062 static int is_using_no_drop(void)
2063 {
2064         uint32_t lcore_id;
2065         struct lcore_cfg *lconf;
2066         struct task_args *targs;
2067
2068         lcore_id = -1;
2069         while(prox_core_next(&lcore_id, 1) == 0) {
2070                 lconf = &lcore_cfg_init[lcore_id];
2071                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
2072                         targs = &lconf->targs[task_id];
2073                         if (!(targs->flags & TASK_ARG_DROP))
2074                                 return 1;
2075                 }
2076         }
2077         return 0;
2078 }
2079
2080 int prox_read_config_file(void)
2081 {
2082         set_global_defaults(&prox_cfg);
2083         set_task_defaults(&prox_cfg, lcore_cfg_init);
2084         set_port_defaults();
2085         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
2086         struct cfg_file *pcfg = cfg_open(cfg_file);
2087         if (pcfg == NULL) {
2088                 return -1;
2089         }
2090
2091         struct cfg_section* config_sections[] = {
2092                 &lua_cfg          ,
2093                 &var_cfg          ,
2094                 &eal_default_cfg  ,
2095                 &cache_set_cfg    ,
2096                 &port_cfg         ,
2097                 &defaults_cfg     ,
2098                 &settings_cfg     ,
2099                 &core_cfg         ,
2100                 NULL
2101         };
2102
2103         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
2104                 const char* name = (*section)->name;
2105                 size_t len = strlen(name);
2106                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
2107                 cfg_parse(pcfg, *section);
2108
2109                 if ((*section)->error) {
2110                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
2111                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
2112                                  strlen(get_parse_err())? get_parse_err() : err_str);
2113                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
2114                         return -1;
2115                 }
2116         }
2117
2118         cfg_close(pcfg);
2119
2120         prox_set_core_mask();
2121
2122         if (is_using_no_drop()) {
2123                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
2124         }
2125
2126         if (calc_tot_rxrings()) {
2127                 plog_err("Error in configuration: %s\n", err_str);
2128                 return -1;
2129         }
2130
2131         return check_cfg();
2132 }
2133
2134 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
2135 {
2136         plog_err("\tError in rte_eal_init()\n");
2137 }
2138
2139 int prox_setup_rte(const char *prog_name)
2140 {
2141         char *rte_argv[MAX_RTE_ARGV];
2142         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
2143         char tmp[PROX_CM_STR_LEN];
2144         /* create mask of used cores */
2145         plog_info("=== Setting up RTE EAL ===\n");
2146
2147         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
2148                 plog_info("Using dummy cpu topology\n");
2149                 snprintf(tmp, sizeof(tmp), "0x1");
2150         } else {
2151                 prox_core_to_hex(tmp, sizeof(tmp), 0);
2152                 plog_info("\tWorker threads core mask is %s\n", tmp);
2153                 prox_core_to_hex(tmp, sizeof(tmp), 1);
2154                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
2155         }
2156
2157         /* fake command line parameters for rte_eal_init() */
2158         int argc = 0;
2159         rte_argv[argc] = strdup(prog_name);
2160         sprintf(rte_arg[++argc], "-c%s", tmp);
2161         rte_argv[argc] = rte_arg[argc];
2162 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
2163         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2164                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
2165         else
2166                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
2167         rte_argv[argc] = rte_arg[argc];
2168 #else
2169         /* For old DPDK versions, the master core had to be the first
2170            core. */
2171         uint32_t first_core = -1;
2172
2173         if (prox_core_next(&first_core, 1) == -1) {
2174                 plog_err("Can't core ID of first core in use\n");
2175                 return -1;
2176         }
2177         if (first_core != prox_cfg.master) {
2178                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
2179                 return -1;
2180         }
2181 #endif
2182
2183         if (rte_cfg.memory) {
2184                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
2185                 rte_argv[argc] = rte_arg[argc];
2186         }
2187
2188         if (rte_cfg.force_nchannel) {
2189                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
2190                 rte_argv[argc] = rte_arg[argc];
2191         }
2192
2193         if (rte_cfg.force_nrank) {
2194                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
2195                 rte_argv[argc] = rte_arg[argc];
2196         }
2197
2198         if (rte_cfg.no_hugetlbfs) {
2199                 strcpy(rte_arg[++argc], "--no-huge");
2200                 rte_argv[argc] = rte_arg[argc];
2201         }
2202
2203         if (rte_cfg.no_pci) {
2204                 strcpy(rte_arg[++argc], "--no-pci");
2205                 rte_argv[argc] = rte_arg[argc];
2206         }
2207
2208         if (rte_cfg.no_hpet) {
2209                 strcpy(rte_arg[++argc], "--no-hpet");
2210                 rte_argv[argc] = rte_arg[argc];
2211         }
2212
2213         if (rte_cfg.no_shconf) {
2214                 strcpy(rte_arg[++argc], "--no-shconf");
2215                 rte_argv[argc] = rte_arg[argc];
2216         }
2217
2218         if (rte_cfg.eal != NULL) {
2219                 char *ptr = rte_cfg.eal;
2220                 char *ptr2;
2221                 while (ptr != NULL) {
2222                         while (isspace(*ptr))
2223                                 ptr++;
2224                         ptr2 = ptr;
2225                         ptr = strchr(ptr, ' ');
2226                         if (ptr) {
2227                                 *ptr++ = '\0';
2228                         }
2229                         strcpy(rte_arg[++argc], ptr2);
2230                         rte_argv[argc] = rte_arg[argc];
2231                 }
2232         }
2233
2234         if (rte_cfg.hugedir != NULL) {
2235                 strcpy(rte_arg[++argc], "--huge-dir");
2236                 rte_argv[argc] = rte_arg[argc];
2237                 rte_argv[++argc] = rte_cfg.hugedir;
2238         }
2239
2240         if (rte_cfg.no_output) {
2241                 rte_log_set_global_level(0);
2242         }
2243         /* init EAL */
2244         plog_info("\tEAL command line:");
2245         if (argc >= MAX_RTE_ARGV) {
2246                 plog_err("too many arguments for EAL\n");
2247                 return -1;
2248         }
2249
2250         for (int h = 0; h <= argc; ++h) {
2251                 plog_info(" %s", rte_argv[h]);
2252         }
2253         plog_info("\n");
2254
2255         rte_set_application_usage_hook(failed_rte_eal_init);
2256         if (rte_eal_init(++argc, rte_argv) < 0) {
2257                 plog_err("\tError in rte_eal_init()\n");
2258                 return -1;
2259         }
2260         plog_info("\tEAL Initialized\n");
2261
2262         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2263                 return 0;
2264
2265         /* check if all active cores are in enabled in DPDK */
2266         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2267                 if (lcore_id == prox_cfg.master) {
2268                         if (!rte_lcore_is_enabled(lcore_id))
2269                                 return -1;
2270                 }
2271                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
2272                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2273                         return -1;
2274                 }
2275                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
2276                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2277                         return -1;
2278                 }
2279         }
2280         uint16_t port_id;
2281         for (int i = 0; i < n_deferred_ports; i++) {
2282                 if (rte_eth_dev_get_port_by_name(deferred_port[i].name, &port_id) != 0) {
2283                         plog_err("Did not find port name %s used while reading %s\n", deferred_port[i].name, deferred_port[i].is_rx_port ? "rx port" : "tx_port");
2284                         return -1;
2285                 }
2286                 plog_info("\tport %s is port id %d\n", deferred_port[i].name, port_id);
2287                 if (deferred_port[i].is_rx_port) {
2288                         deferred_port[i].targ->rx_port_queue[0].port = port_id;
2289                         deferred_port[i].targ->nb_rxports = 1;
2290                 } else {
2291                         deferred_port[i].targ->tx_port_queue[0].port = port_id;
2292                         deferred_port[i].targ->nb_txports = 1;
2293                 }
2294         }
2295         return 0;
2296 }