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