VNFs/DPPD-PROX/prox_args.c

   1 /*
   2 // Copyright (c) 2010-2017 Intel Corporation
   3 //
   4 // Licensed under the Apache License, Version 2.0 (the "License");
   5 // you may not use this file except in compliance with the License.
   6 // You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15 */
  16
  17 #include <unistd.h>
  18 #include <string.h>
  19
  20 #include <rte_sched.h>
  21 #include <rte_string_fns.h>
  22 #include <rte_version.h>
  23
  24 #include "prox_malloc.h"
  25 #include "version.h"
  26 #include "defines.h"
  27 #include "prox_args.h"
  28 #include "prox_assert.h"
  29 #include "prox_cfg.h"
  30 #include "cfgfile.h"
  31 #include "quit.h"
  32 #include "log.h"
  33 #include "parse_utils.h"
  34 #include "prox_port_cfg.h"
  35 #include "defaults.h"
  36 #include "prox_lua.h"
  37 #include "cqm.h"
  38 #include "prox_compat.h"
  39
  40 #define MAX_RTE_ARGV 64
  41 #define MAX_ARG_LEN  64
  42
  43 struct cfg_depr {
  44         const char *opt;
  45         const char *info;
  46 };
  47
  48 /* Helper macro */
  49 #define STR_EQ(s1, s2)  (!strcmp((s1), (s2)))
  50
  51 /* configuration files support */
  52 static int get_rte_cfg(unsigned sindex, char *str, void *data);
  53 static int get_global_cfg(unsigned sindex, char *str, void *data);
  54 static int get_port_cfg(unsigned sindex, char *str, void *data);
  55 static int get_defaults_cfg(unsigned sindex, char *str, void *data);
  56 static int get_cache_set_cfg(unsigned sindex, char *str, void *data);
  57 static int get_var_cfg(unsigned sindex, char *str, void *data);
  58 static int get_lua_cfg(unsigned sindex, char *str, void *data);
  59 static int get_core_cfg(unsigned sindex, char *str, void *data);
  60
  61 static const char *cfg_file = DEFAULT_CONFIG_FILE;
  62 static struct rte_cfg    rte_cfg;
  63 struct prox_cache_set_cfg  prox_cache_set_cfg[PROX_MAX_CACHE_SET];
  64
  65 static char format_err_str[1024];
  66 static const char *err_str = "Unknown error";
  67
  68 static struct cfg_section eal_default_cfg = {
  69         .name   = "eal options",
  70         .parser = get_rte_cfg,
  71         .data   = &rte_cfg,
  72         .indexp[0]  = 0,
  73         .nbindex = 1,
  74         .error  = 0
  75 };
  76
  77 static struct cfg_section port_cfg = {
  78         .name   = "port #",
  79         .parser = get_port_cfg,
  80         .data   = &prox_port_cfg,
  81         .indexp[0]  = 0,
  82         .nbindex = 1,
  83         .error  = 0
  84 };
  85
  86 static struct cfg_section var_cfg = {
  87         .name   = "variables",
  88         .parser = get_var_cfg,
  89         .data   = 0,
  90         .indexp[0]  = 0,
  91         .nbindex = 1,
  92         .error  = 0
  93 };
  94
  95 static struct cfg_section cache_set_cfg = {
  96         .name   = "cache set #",
  97         .parser = get_cache_set_cfg,
  98         .data   = &prox_cache_set_cfg,
  99         .indexp[0]  = 0,
 100         .nbindex = 1,
 101         .error  = 0
 102 };
 103
 104 static struct cfg_section defaults_cfg = {
 105         .name   = "defaults",
 106         .parser = get_defaults_cfg,
 107         .data   = 0,
 108         .indexp[0]  = 0,
 109         .nbindex = 1,
 110         .error  = 0
 111 };
 112
 113 static struct cfg_section settings_cfg = {
 114         .name   = "global",
 115         .parser = get_global_cfg,
 116         .data   = &prox_cfg,
 117         .indexp[0]  = 0,
 118         .nbindex = 1,
 119         .error  = 0
 120 };
 121
 122 static struct cfg_section lua_cfg = {
 123         .name = "lua",
 124         .parser = get_lua_cfg,
 125         .raw_lines = 1,
 126         .indexp[0] = 0,
 127         .nbindex = 1,
 128         .error = 0,
 129 };
 130
 131 static struct cfg_section core_cfg = {
 132         .name   = "core #",
 133         .parser = get_core_cfg,
 134         .data   = lcore_cfg_init,
 135         .indexp[0]  = 0,
 136         .nbindex = 1,
 137         .error  = 0
 138 };
 139
 140 static void set_errf(const char *format, ...)
 141 {
 142         va_list ap;
 143         va_start(ap, format);
 144         vsnprintf(format_err_str, sizeof(format_err_str), format, ap);
 145         va_end(ap);
 146         err_str = format_err_str;
 147 }
 148
 149 /* [eal options] parser */
 150 static int get_rte_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 151 {
 152         struct rte_cfg *pconfig = (struct rte_cfg *)data;
 153
 154         if (str == NULL || pconfig == NULL) {
 155                 return -1;
 156         }
 157
 158         char *pkey = get_cfg_key(str);
 159         if (pkey == NULL) {
 160                 set_errf("Missing key after option");
 161                 return -1;
 162         }
 163
 164         if (STR_EQ(str, "-m")) {
 165                 return parse_int(&pconfig->memory, pkey);
 166         }
 167         if (STR_EQ(str, "-n")) {
 168                 if (parse_int(&pconfig->force_nchannel, pkey)) {
 169                         return -1;
 170                 }
 171                 if (pconfig->force_nchannel == 0) {
 172                         set_errf("Invalid number of memory channels");
 173                         return -1;
 174                 }
 175                 return 0;
 176         }
 177         if (STR_EQ(str, "-r")) {
 178                 if (parse_int(&pconfig->force_nrank, pkey)) {
 179                         return -1;
 180                 }
 181                 if (pconfig->force_nrank == 0 || pconfig->force_nrank > 16) {
 182                         set_errf("Invalid number of memory ranks");
 183                         return -1;
 184                 }
 185                 return 0;
 186         }
 187         /* debug options */
 188         if (STR_EQ(str, "no-pci")) {
 189                 return parse_bool(&pconfig->no_pci, pkey);
 190         }
 191         if (STR_EQ(str, "no-hpet")) {
 192                 return parse_bool(&pconfig->no_hpet, pkey);
 193         }
 194         if (STR_EQ(str, "no-shconf")) {
 195                 return parse_bool(&pconfig->no_shconf, pkey);
 196         }
 197         if (STR_EQ(str, "no-huge")) {
 198                 return parse_bool(&pconfig->no_hugetlbfs, pkey);
 199         }
 200         if (STR_EQ(str, "no-output")) {
 201                 return parse_bool(&pconfig->no_output, pkey);
 202         }
 203
 204         if (STR_EQ(str, "huge-dir")) {
 205                 if (pconfig->hugedir) {
 206                         free(pconfig->hugedir);
 207                 }
 208                 pconfig->hugedir = strdup(pkey);
 209                 return 0;
 210         }
 211
 212         if (STR_EQ(str, "eal")) {
 213                 char eal[MAX_STR_LEN_PROC];
 214                 if (pconfig->eal) {
 215                         free(pconfig->eal);
 216                         pconfig->eal = NULL;
 217                 }
 218                 if (parse_str(eal, pkey, sizeof(eal)))
 219                         return -1;
 220                 pkey = eal;
 221                 strip_spaces(&pkey, 1);
 222                 if (*pkey)
 223                         pconfig->eal = strdup(pkey);
 224                 return 0;
 225         }
 226
 227         set_errf("Option '%s' is not known", str);
 228         return -1;
 229 }
 230
 231 struct cfg_depr global_cfg_depr[] = {
 232         {"virtualization", "This is now set automatically if needed"},
 233         {"qinq_tag", "This option is deprecated"},
 234         {"wait on quit", "This is now set automatically if needed"},
 235         {"version", ""}
 236 };
 237
 238 const char *get_cfg_dir(void)
 239 {
 240         static char dir[PATH_MAX];
 241         size_t end = strlen(cfg_file) - 1;
 242         while (end > 0 && cfg_file[end] != '/')
 243                 end--;
 244
 245         strncpy(dir, cfg_file, end);
 246         return dir;
 247 }
 248
 249 static int get_lua_cfg(__attribute__((unused)) unsigned sindex, __attribute__((unused)) char *str, __attribute__((unused)) void *data)
 250 {
 251         int status;
 252         char cwd[1024];
 253         if (NULL == getcwd(cwd, sizeof(cwd))) {
 254                 set_errf("Failed to get current directory while loading Lua file\n");
 255                 return -1;
 256         }
 257         status = chdir(get_cfg_dir());
 258         if (status) {
 259                 set_errf("Failed to change directory to '%s' while loading Lua file\n", get_cfg_dir());
 260                 return -1;
 261         }
 262
 263         struct lua_State *l = prox_lua();
 264
 265         char str_cpy[1024];
 266         prox_strncpy(str_cpy, str, sizeof(str_cpy));
 267         uint32_t len = strlen(str_cpy);
 268         str_cpy[len++] = '\n';
 269         str_cpy[len++] = 0;
 270
 271         status = luaL_loadstring(l, str_cpy);
 272         if (status) {
 273                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 274                 status = chdir(cwd);
 275                 return -1;
 276         }
 277
 278         status = lua_pcall(l, 0, LUA_MULTRET, 0);
 279         if (status) {
 280                 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
 281                 status = chdir(cwd);
 282                 return -1;
 283         }
 284
 285         status = chdir(cwd);
 286         if (status) {
 287                 set_errf("Failed to restore current directory to '%s' while loading Lua file\n", cwd);
 288                 return -1;
 289         }
 290
 291         return 0;
 292 }
 293
 294 /* [global] parser */
 295 static int get_global_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
 296 {
 297         struct prox_cfg *pset = (struct prox_cfg *)data;
 298
 299         if (str == NULL || pset == NULL) {
 300                 return -1;
 301         }
 302
 303         char *pkey = get_cfg_key(str);
 304         if (pkey == NULL) {
 305                 set_errf("Missing key after option");
 306                 return -1;
 307         }
 308
 309         for (uint32_t i = 0; i < RTE_DIM(global_cfg_depr); ++i) {
 310                 if (STR_EQ(str, global_cfg_depr[i].opt)) {
 311                         set_errf("Option '%s' is deprecated%s%s",
 312                                  global_cfg_depr[i].opt, strlen(global_cfg_depr[i].info)? ": ": "", global_cfg_depr[i].info);
 313                         return -1;
 314                 }
 315         }
 316
 317         if (STR_EQ(str, "name")) {
 318                 return parse_str(pset->name, pkey, sizeof(pset->name));
 319         }
 320
 321         if (STR_EQ(str, "start time")) {
 322                 return parse_int(&pset->start_time, pkey);
 323         }
 324
 325         if (STR_EQ(str, "duration time")) {
 326                 return parse_int(&pset->duration_time, pkey);
 327         }
 328
 329         if (STR_EQ(str, "shuffle")) {
 330                 return parse_flag(&pset->flags, DSF_SHUFFLE, pkey);
 331         }
 332         if (STR_EQ(str, "disable cmt")) {
 333                 return parse_flag(&pset->flags, DSF_DISABLE_CMT, pkey);
 334         }
 335         if (STR_EQ(str, "mp rings")) {
 336                 return parse_flag(&pset->flags, DSF_MP_RINGS, pkey);
 337         }
 338         if (STR_EQ(str, "enable bypass")) {
 339                 return parse_flag(&pset->flags, DSF_ENABLE_BYPASS, pkey);
 340         }
 341         if (STR_EQ(str, "heartbeat timeout")) {
 342                 return parse_int(&pset->heartbeat_timeout, pkey);
 343         }
 344
 345         if (STR_EQ(str, "cpe table map")) {
 346                 /* The config defined ports through 0, 1, 2 ... which
 347                    need to be associated with ports. This is done
 348                    through defining it using "cpe table map=" */
 349                 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
 350         }
 351
 352         if (STR_EQ(str, "pre cmd")) {
 353                 return system(pkey);
 354         }
 355
 356         if (STR_EQ(str, "unique mempool per socket")) {
 357                 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
 358         }
 359
 360         if (STR_EQ(str, "log buffer size")) {
 361                 if (parse_kmg(&pset->logbuf_size, pkey)) {
 362                         return -1;
 363                 }
 364                 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
 365                 return 0;
 366         }
 367
 368         set_errf("Option '%s' is not known", str);
 369         return -1;
 370 }
 371
 372 /* [variable] parser */
 373 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 374 {
 375         return add_var(str, get_cfg_key(str), 0);
 376 }
 377
 378 /* [defaults] parser */
 379 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
 380 {
 381         uint32_t val;
 382         char *pkey;
 383
 384         pkey = get_cfg_key(str);
 385         if (pkey == NULL) {
 386                 set_errf("Missing key after option");
 387                 return -1;
 388         }
 389
 390         if (STR_EQ(str, "mempool size")) {
 391
 392                 if (parse_kmg(&val, pkey)) {
 393                         return -1;
 394                 }
 395
 396                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 397                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 398                         cur_lcore_cfg_init->id = lcore_id;
 399                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 400                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 401                                 targ->nb_mbuf = val;
 402                                 targ->id = task_id;
 403                         }
 404                 }
 405                 return 0;
 406         }
 407
 408         if (STR_EQ(str, "qinq tag")) {
 409                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 410                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 411                         cur_lcore_cfg_init->id = lcore_id;
 412                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 413                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 414                                 parse_int(&targ->qinq_tag, pkey);
 415                         }
 416                 }
 417                 return 0;
 418         }
 419         if (STR_EQ(str, "memcache size")) {
 420
 421                 if (parse_kmg(&val, pkey)) {
 422                         return -1;
 423                 }
 424
 425                 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
 426                         struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
 427                         cur_lcore_cfg_init->id = lcore_id;
 428                         for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
 429                                 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
 430                                 targ->nb_cache_mbuf = val;
 431                         }
 432                 }
 433                 return 0;
 434         }
 435
 436         set_errf("Option '%s' is not known", str);
 437         return -1;
 438 }
 439
 440 /* [cache set] parser */
 441 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
 442 {
 443         struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
 444
 445         uint8_t cur_if = sindex & ~CFG_INDEXED;
 446
 447         if (cur_if >= PROX_MAX_CACHE_SET) {
 448                 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
 449                 return -1;
 450         }
 451
 452         cfg = &prox_cache_set_cfg[cur_if];
 453
 454         if (str == NULL || data == NULL) {
 455                 return -1;
 456         }
 457
 458         char *pkey = get_cfg_key(str);
 459
 460         if (pkey == NULL) {
 461                 set_errf("Missing key after option");
 462                 return -1;
 463         }
 464
 465         if (STR_EQ(str, "mask")) {
 466                 uint32_t val;
 467                 int err = parse_int(&val, pkey);
 468                 if (err) {
 469                         return -1;
 470                 }
 471                 cfg->mask = val;
 472                 cfg->socket_id = -1;
 473                 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
 474                 return 0;
 475         }
 476         return 0;
 477 }
 478
 479 /* [port] parser */
 480 static int get_port_cfg(unsigned sindex, char *str, void *data)
 481 {
 482         struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
 483
 484         uint8_t cur_if = sindex & ~CFG_INDEXED;
 485
 486         if (cur_if >= PROX_MAX_PORTS) {
 487                 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
 488                 return -1;
 489         }
 490
 491         cfg = &prox_port_cfg[cur_if];
 492
 493         if (str == NULL || data == NULL) {
 494                 return -1;
 495         }
 496
 497         char *pkey = get_cfg_key(str);
 498
 499         if (pkey == NULL) {
 500                 set_errf("Missing key after option");
 501                 return -1;
 502         }
 503
 504         if (STR_EQ(str, "mac")) {
 505                 if (STR_EQ(pkey, "hardware")) {
 506                         cfg->type = PROX_PORT_MAC_HW;
 507                 }
 508                 else if (STR_EQ(pkey, "random")) {
 509                         cfg->type = PROX_PORT_MAC_RAND;
 510                 }
 511                 else {
 512                         cfg->type = PROX_PORT_MAC_SET;
 513                         if (parse_mac(&cfg->eth_addr, pkey)) {
 514                                 return -1;
 515                         }
 516                 }
 517         }
 518         else if (STR_EQ(str, "name")) {
 519                 uint32_t val;
 520                 prox_strncpy(cfg->name, pkey, MAX_NAME_SIZE);
 521                 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
 522                 return add_port_name(cur_if, pkey);
 523         }
 524         else if (STR_EQ(str, "rx desc")) {
 525                 return parse_int(&cfg->n_rxd, pkey);
 526         }
 527         else if (STR_EQ(str, "tx desc")) {
 528                 return parse_int(&cfg->n_txd, pkey);
 529         }
 530         else if (STR_EQ(str, "promiscuous")) {
 531                 uint32_t val;
 532                 if (parse_bool(&val, pkey)) {
 533                         return -1;
 534                 }
 535                 cfg->promiscuous = val;
 536         }
 537         else if (STR_EQ(str, "multicast")) {
 538                 uint32_t val;
 539                 if (cfg->nb_mc_addr >= NB_MCAST_ADDR) {
 540                         plog_err("too many multicast addresses\n");
 541                         return -1;
 542                 }
 543                 if (parse_mac(&cfg->mc_addr[cfg->nb_mc_addr], pkey)) {
 544                         return -1;
 545                 }
 546                 cfg->nb_mc_addr++ ;
 547         }
 548         else if (STR_EQ(str, "lsc")) {
 549                 cfg->lsc_set_explicitely = 1;
 550                 uint32_t val;
 551                 if (parse_bool(&val, pkey)) {
 552                         return -1;
 553                 }
 554                 cfg->lsc_val = val;
 555         }
 556 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 557         else if (STR_EQ(str, "disable tx offload")) {
 558                 uint32_t val;
 559                 if (parse_int(&val, pkey)) {
 560                         return -1;
 561                 }
 562                 if (val)
 563                         cfg->disabled_tx_offload = val;
 564         }
 565 #endif
 566         else if (STR_EQ(str, "strip crc")) {
 567                 uint32_t val;
 568                 if (parse_bool(&val, pkey)) {
 569                         return -1;
 570                 }
 571 #if defined(DEV_RX_OFFLOAD_CRC_STRIP)
 572                 if (val)
 573                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_CRC_STRIP;
 574                 else
 575                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_CRC_STRIP;
 576 #else
 577 #if defined (DEV_RX_OFFLOAD_KEEP_CRC)
 578                 if (val)
 579                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_KEEP_CRC;
 580                 else
 581 #endif
 582                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_KEEP_CRC;
 583 #endif
 584
 585         }
 586         else if (STR_EQ(str, "vlan")) {
 587 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 588                 uint32_t val;
 589                 if (parse_bool(&val, pkey)) {
 590                         return -1;
 591                 }
 592                 if (val) {
 593                         cfg->requested_rx_offload |= DEV_RX_OFFLOAD_VLAN_STRIP;
 594                         cfg->requested_tx_offload |= DEV_TX_OFFLOAD_VLAN_INSERT;
 595                 } else {
 596                         cfg->requested_rx_offload &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
 597                         cfg->requested_tx_offload &= ~DEV_TX_OFFLOAD_VLAN_INSERT;
 598                 }
 599 #else
 600                 plog_warn("vlan option not supported : update DPDK at least to 18.08 to support this option\n");
 601 #endif
 602         }
 603         else if (STR_EQ(str, "mtu size")) {
 604                 uint32_t val;
 605                 if (parse_int(&val, pkey)) {
 606                         return -1;
 607                 }
 608                 if (val) {
 609                         cfg->mtu = val;
 610                         // A frame of 1526 bytes (1500 bytes mtu, 14 bytes hdr, 4 bytes crc and 8 bytes vlan)
 611                         // should not be considered as a jumbo frame. However rte_ethdev.c considers that
 612                         // the max_rx_pkt_len for a non jumbo frame is 1518
 613                         cfg->port_conf.rxmode.max_rx_pkt_len = cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 614                         if (cfg->port_conf.rxmode.max_rx_pkt_len > ETHER_MAX_LEN) {
 615                                 cfg->requested_rx_offload |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 616                         }
 617                 }
 618         }
 619
 620         else if (STR_EQ(str, "rss")) {
 621                 uint32_t val;
 622                 if (parse_bool(&val, pkey)) {
 623                         return -1;
 624                 }
 625                 if (val) {
 626                         cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
 627                         cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
 628                 }
 629         }
 630         else if (STR_EQ(str, "rx_ring")) {
 631                 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
 632         }
 633         else if (STR_EQ(str, "tx_ring")) {
 634                 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
 635         }
 636
 637         return 0;
 638 }
 639
 640 static enum police_action str_to_color(const char *str)
 641 {
 642         if (STR_EQ(str, "green"))
 643                 return ACT_GREEN;
 644         if (STR_EQ(str, "yellow"))
 645                 return ACT_YELLOW;
 646         if (STR_EQ(str, "red"))
 647                 return ACT_RED;
 648         if (STR_EQ(str, "drop"))
 649                 return ACT_DROP;
 650         return ACT_INVALID;
 651 }
 652
 653 struct cfg_depr task_cfg_depr[] = {
 654         {"sig", ""},
 655 };
 656
 657 struct cfg_depr core_cfg_depr[] = {
 658         {"do sig", ""},
 659         {"lat", ""},
 660         {"network side", ""},
 661 };
 662
 663 /* [core] parser */
 664 static int get_core_cfg(unsigned sindex, char *str, void *data)
 665 {
 666         char *pkey;
 667         struct lcore_cfg *lconf = (struct lcore_cfg *)data;
 668
 669         if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
 670                 return -1;
 671         }
 672
 673         pkey = get_cfg_key(str);
 674         if (pkey == NULL) {
 675                 set_errf("Missing key after option");
 676                 return -1;
 677         }
 678
 679         uint32_t ncore = sindex & ~CFG_INDEXED;
 680         if (ncore >= RTE_MAX_LCORE) {
 681                 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
 682                 return -1;
 683         }
 684
 685         lconf = &lconf[ncore];
 686
 687         for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
 688                 if (STR_EQ(str, core_cfg_depr[i].opt)) {
 689                         set_errf("Option '%s' is deprecated%s%s",
 690                                  core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
 691                         return -1;
 692                 }
 693         }
 694
 695         char buff[128];
 696         lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
 697         set_self_var(buff);
 698         if (STR_EQ(str, "task")) {
 699
 700                 uint32_t val;
 701                 if (parse_int(&val, pkey)) {
 702                         return -1;
 703                 }
 704                 if (val >= MAX_TASKS_PER_CORE) {
 705                         set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
 706                         return -1;
 707                 }
 708                 if (val != lconf->n_tasks_all) {
 709                         set_errf("Task ID skipped or defined twice");
 710                         return -1;
 711                 }
 712
 713                 lconf->active_task = val;
 714
 715                 lconf->targs[lconf->active_task].task = lconf->active_task;
 716
 717                 if (lconf->n_tasks_all < lconf->active_task + 1) {
 718                         lconf->n_tasks_all = lconf->active_task + 1;
 719                 }
 720                 return 0;
 721         }
 722
 723         struct task_args *targ = &lconf->targs[lconf->active_task];
 724         if (STR_EQ(str, "tx ports from routing table")) {
 725                 uint32_t vals[PROX_MAX_PORTS];
 726                 uint32_t n_if;
 727                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 728                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 729                         return -1;
 730                 }
 731
 732                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
 733                         return -1;
 734                 }
 735
 736                 for (uint8_t i = 0; i < n_if; ++i) {
 737                         targ->tx_port_queue[i].port = vals[i];
 738                         targ->nb_txports++;
 739                 }
 740                 targ->runtime_flags |= TASK_ROUTING;
 741                 return 0;
 742         }
 743         if (STR_EQ(str, "tx ports from cpe table")) {
 744                 uint32_t vals[PROX_MAX_PORTS];
 745                 int n_remap = -1;
 746                 uint32_t ret;
 747                 uint32_t val;
 748                 char* mapping_str = strstr(pkey, " remap=");
 749
 750                 if (mapping_str != NULL) {
 751                         *mapping_str = 0;
 752                         mapping_str += strlen(" remap=");
 753                         n_remap = parse_remap(targ->mapping, mapping_str);
 754                 }
 755
 756                 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
 757                         return -1;
 758                 }
 759
 760                 if (n_remap != -1 && ret != (uint32_t)n_remap) {
 761                         set_errf("Expected %d remap elements but had %d", n_remap, ret);
 762                         return -1;
 763                 }
 764
 765                 for (uint8_t i = 0; i < ret; ++i) {
 766                         targ->tx_port_queue[i].port = vals[i];
 767
 768                         /* default mapping this case is port0 -> port0 */
 769                         if (n_remap == -1) {
 770                                 targ->mapping[vals[i]] = i;
 771                         }
 772                 }
 773
 774                 targ->nb_txports = ret;
 775
 776                 return 0;
 777         }
 778         if (STR_EQ(str, "tx cores from routing table")) {
 779                 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
 780                         set_errf("tx port form route not supported mode %s",  targ->task_init->mode_str);
 781                         return -1;
 782                 }
 783
 784                 struct core_task_set *cts = &targ->core_task_set[0];
 785
 786                 if (parse_task_set(cts, pkey))
 787                         return -1;
 788
 789                 if (cts->n_elems > MAX_WT_PER_LB) {
 790                         set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
 791                         return -1;
 792                 }
 793
 794                 targ->nb_worker_threads = cts->n_elems;
 795                 targ->nb_txrings = cts->n_elems;
 796
 797                 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
 798                         set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
 799                         return -1;
 800                 }
 801
 802                 targ->runtime_flags |= TASK_ROUTING;
 803                 return 0;
 804         }
 805         if (STR_EQ(str, "tx cores from cpe table")) {
 806                 struct core_task_set *core_task_set =  &targ->core_task_set[0];
 807                 int ret, ret2;
 808                 char *mapping_str;
 809
 810                 mapping_str = strstr(pkey, " remap=");
 811                 if (mapping_str == NULL) {
 812                         set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
 813                         return -1;
 814                 }
 815                 *mapping_str = 0;
 816                 mapping_str += strlen(" remap=");
 817                 ret = parse_remap(targ->mapping, mapping_str);
 818                 if (ret <= 0) {
 819                         return -1;
 820                 }
 821
 822                 struct core_task_set *cts = &targ->core_task_set[0];
 823
 824                 if (parse_task_set(cts, pkey))
 825                         return -1;
 826                 if (cts->n_elems > MAX_RINGS_PER_TASK) {
 827                         set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
 828                         return -1;
 829                 }
 830
 831                 targ->nb_txrings = cts->n_elems;
 832
 833                 if (ret != targ->nb_txrings) {
 834                         set_errf("Expecting same number of remaps as cores\n", str);
 835                         return -1;
 836                 }
 837                 return 0;
 838         }
 839
 840         if (STR_EQ(str, "delay ms")) {
 841                 if (targ->delay_us) {
 842                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 843                         return -1;
 844                 }
 845                 uint32_t delay_ms;
 846                 int rc = parse_int(&delay_ms, pkey);
 847                 targ->delay_us = delay_ms * 1000;
 848                 return rc;
 849         }
 850         if (STR_EQ(str, "delay us")) {
 851                 if (targ->delay_us) {
 852                         set_errf("delay ms and delay us are mutually exclusive\n", str);
 853                         return -1;
 854                 }
 855                 return parse_int(&targ->delay_us, pkey);
 856         }
 857         if (STR_EQ(str, "random delay us")) {
 858                 return parse_int(&targ->random_delay_us, pkey);
 859         }
 860         if (STR_EQ(str, "cpe table timeout ms")) {
 861                 return parse_int(&targ->cpe_table_timeout_ms, pkey);
 862         }
 863         if (STR_EQ(str, "ctrl path polling frequency")) {
 864                 int rc = parse_int(&targ->ctrl_freq, pkey);
 865                 if (rc == 0) {
 866                         if (targ->ctrl_freq == 0) {
 867                                 set_errf("ctrl frequency must be non null.");
 868                                 return -1;
 869                         }
 870                 }
 871                 return rc;
 872         }
 873
 874         if (STR_EQ(str, "handle arp")) {
 875                 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
 876         }
 877         if (STR_EQ(str, "fast path handle arp")) {
 878                 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
 879         }
 880
 881         /* Using tx port name, only a _single_ port can be assigned to a task. */
 882         if (STR_EQ(str, "tx port")) {
 883                 if (targ->nb_txports > 0) {
 884                         set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
 885                         return -1;
 886                 }
 887
 888                 uint32_t n_if = 0;
 889                 uint32_t ports[PROX_MAX_PORTS];
 890
 891                 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
 892                         return -1;
 893                 }
 894
 895                 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
 896
 897                 for (uint8_t i = 0; i < n_if; ++i) {
 898                         targ->tx_port_queue[i].port = ports[i];
 899                         targ->nb_txports++;
 900                 }
 901
 902                 if (n_if > 1) {
 903                         targ->nb_worker_threads = targ->nb_txports;
 904                 }
 905
 906                 return 0;
 907         }
 908         if (STR_EQ(str, "rx ring")) {
 909                 uint32_t val;
 910                 int err = parse_bool(&val, pkey);
 911                 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
 912                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
 913                         return -1;
 914                 }
 915
 916                 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
 917         }
 918         if (STR_EQ(str, "private")) {
 919                 return parse_bool(&targ->use_src, pkey);
 920         }
 921         if (STR_EQ(str, "use src ip")) {
 922                 return parse_bool(&targ->use_src, pkey);
 923         }
 924         if (STR_EQ(str, "nat table")) {
 925                 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
 926         }
 927         if (STR_EQ(str, "rules")) {
 928                 return parse_str(targ->rules, pkey, sizeof(targ->rules));
 929         }
 930         if (STR_EQ(str, "route table")) {
 931                 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
 932         }
 933         if (STR_EQ(str, "dscp")) {
 934                 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
 935         }
 936         if (STR_EQ(str, "tun_bindings")) {
 937                 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
 938         }
 939         if (STR_EQ(str, "cpe table")) {
 940                 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
 941         }
 942         if (STR_EQ(str, "user table")) {
 943                 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
 944         }
 945         if (STR_EQ(str, "streams")) {
 946                 return parse_str(targ->streams, pkey, sizeof(targ->streams));
 947         }
 948         if (STR_EQ(str, "local lpm")) {
 949                 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
 950         }
 951         if (STR_EQ(str, "drop")) {
 952                 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
 953         }
 954         if (STR_EQ(str, "loop")) {
 955                 parse_flag(&targ->loop, 1, pkey);
 956                 return parse_flag(&targ->loop, 1, pkey);
 957         }
 958         if (STR_EQ(str, "qinq")) {
 959                 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
 960         }
 961         if (STR_EQ(str, "bps")) {
 962                 return parse_u64(&targ->rate_bps, pkey);
 963         }
 964         if (STR_EQ(str, "random")) {
 965                 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
 966         }
 967         if (STR_EQ(str, "rand_offset")) {
 968                 if (targ->n_rand_str == 0) {
 969                         set_errf("No random defined previously (use random=...)");
 970                         return -1;
 971                 }
 972
 973                 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
 974         }
 975         if (STR_EQ(str, "keep src mac")) {
 976                 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
 977         }
 978         if (STR_EQ(str, "pcap file")) {
 979                 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
 980         }
 981         if (STR_EQ(str, "pkt inline")) {
 982                 char pkey2[MAX_CFG_STRING_LEN];
 983                 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
 984                         set_errf("Error while parsing pkt line, too long\n");
 985                         return -1;
 986                 }
 987
 988                 const size_t pkey_len = strlen(pkey2);
 989                 targ->pkt_size = 0;
 990
 991                 for (size_t i = 0; i < pkey_len; ++i) {
 992                         if (pkey2[i] == ' ')
 993                                 continue;
 994
 995                         if (i + 1 == pkey_len) {
 996                                 set_errf("Incomplete byte at character %z", i);
 997                                 return -1;
 998                         }
 999
1000                         uint8_t byte = 0;
1001
1002                         if (pkey2[i] >= '0' && pkey2[i] <= '9') {
1003                                 byte = (pkey2[i] - '0') << 4;
1004                         }
1005                         else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
1006                                 byte = (pkey2[i] - 'a' + 10) << 4;
1007                         }
1008                         else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
1009                                 byte = (pkey2[i] - 'A' + 10) << 4;
1010                         }
1011                         else {
1012                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
1013                                 return -1;
1014                         }
1015
1016                         if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
1017                                 byte |= (pkey2[i + 1] - '0');
1018                         }
1019                         else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
1020                                 byte |= (pkey2[i + 1] - 'a' + 10);
1021                         }
1022                         else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
1023                                 byte |= (pkey2[i + 1] - 'A' + 10);
1024                         }
1025                         else {
1026                                 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
1027                                 return -1;
1028                         }
1029                         if (targ->pkt_size == sizeof(targ->pkt_inline)) {
1030                                 set_errf("Inline packet definition can't be longer than %u", sizeof(targ->pkt_inline));
1031                                 return -1;
1032                         }
1033
1034                         targ->pkt_inline[targ->pkt_size++] = byte;
1035                         i += 1;
1036                 }
1037
1038                 return 0;
1039         }
1040         if (STR_EQ(str, "accuracy limit nsec")) {
1041                 return parse_int(&targ->accuracy_limit_nsec, pkey);
1042         }
1043         if (STR_EQ(str, "latency bucket size")) {
1044                 return parse_int(&targ->bucket_size, pkey);
1045         }
1046         if (STR_EQ(str, "latency buffer size")) {
1047                 return parse_int(&targ->latency_buffer_size, pkey);
1048         }
1049         if (STR_EQ(str, "accuracy pos")) {
1050                 return parse_int(&targ->accur_pos, pkey);
1051         }
1052         if (STR_EQ(str, "signature")) {
1053                 return parse_int(&targ->sig, pkey);
1054         }
1055         if (STR_EQ(str, "signature pos")) {
1056                 return parse_int(&targ->sig_pos, pkey);
1057         }
1058         if (STR_EQ(str, "lat pos")) {
1059                 targ->lat_enabled = 1;
1060                 return parse_int(&targ->lat_pos, pkey);
1061         }
1062         if (STR_EQ(str, "packet id pos")) {
1063                 return parse_int(&targ->packet_id_pos, pkey);
1064         }
1065         if (STR_EQ(str, "probability")) {
1066                 float probability;
1067                 int rc = parse_float(&probability, pkey);
1068                 if (probability == 0) {
1069                         set_errf("Probability must be != 0\n");
1070                         return -1;
1071                 } else if (probability > 100.0) {
1072                         set_errf("Probability must be < 100\n");
1073                         return -1;
1074                 }
1075                 targ->probability = probability * 10000;
1076                 return rc;
1077         }
1078         if (STR_EQ(str, "concur conn")) {
1079                 return parse_int(&targ->n_concur_conn, pkey);
1080         }
1081         if (STR_EQ(str, "max setup rate")) {
1082                 return parse_int(&targ->max_setup_rate, pkey);
1083         }
1084         if (STR_EQ(str, "pkt size")) {
1085                 return parse_int(&targ->pkt_size, pkey);
1086         }
1087         if (STR_EQ(str, "min bulk size")) {
1088                 return parse_int(&targ->min_bulk_size, pkey);
1089         }
1090         if (STR_EQ(str, "max bulk size")) {
1091                 return parse_int(&targ->max_bulk_size, pkey);
1092         }
1093         if (STR_EQ(str, "rx port")) {
1094                 if (targ->flags & TASK_ARG_RX_RING) {
1095                         set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1096                         return -1;
1097                 }
1098                 uint32_t vals[PROX_MAX_PORTS];
1099                 uint32_t n_if;
1100
1101                 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1102                         return -1;
1103                 }
1104
1105                 for (uint8_t i = 0; i < n_if; ++i) {
1106                         PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1107                         targ->rx_port_queue[i].port = vals[i];
1108                         targ->nb_rxports++;
1109                 }
1110                 return 0;
1111         }
1112
1113         if (STR_EQ(str, "mode")) {
1114                 /* Check deprecated task modes */
1115                 char mode[255];
1116                 int ret = parse_str(mode, pkey, sizeof(mode));
1117                 if (ret)
1118                         return ret;
1119
1120                 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1121                         if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1122                                 set_errf("Task mode '%s' is deprecated%s%s",
1123                                          task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1124                                 return -1;
1125                         }
1126                 }
1127
1128                 /* master is a special mode that is always needed (cannot be turned off) */
1129                 if (STR_EQ(mode, "master")) {
1130                         prox_cfg.master = ncore;
1131                         targ->mode = MASTER;
1132                         if (lconf->n_tasks_all > 1 || targ->task != 0) {
1133                                 set_errf("Master core can only have one task\n");
1134                                 return -1;
1135                         }
1136                         // Initialize number of tasks to 1 for master, even if no task specified
1137                         lconf->n_tasks_all = 1;
1138                         lconf->active_task = 0;
1139                         lconf->targs[lconf->active_task].task = 0;
1140                         struct task_init* task_init = to_task_init(mode, "");
1141                         if (task_init) {
1142                                 targ->mode = task_init->mode;
1143                         }
1144                         targ->task_init = task_init;
1145                         return 0;
1146                 }
1147
1148                 struct task_init* task_init = to_task_init(mode, "");
1149                 if (task_init) {
1150                         targ->mode = task_init->mode;
1151                 }
1152                 else {
1153                         set_errf("Task mode '%s' is invalid", mode);
1154                         tasks_list();
1155                         return -1;
1156                 }
1157                 targ->task_init = task_init;
1158                 return 0;
1159         }
1160         if (STR_EQ(str, "users")) {
1161                 return parse_int(&targ->n_flows, pkey);
1162         }
1163
1164         if (STR_EQ(str, "mark")) {
1165                 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1166         }
1167
1168         if (STR_EQ(str, "mark green")) {
1169                 return parse_int(&targ->marking[0], pkey);
1170         }
1171
1172         if (STR_EQ(str, "mark yellow")) {
1173                 return parse_int(&targ->marking[1], pkey);
1174         }
1175
1176         if (STR_EQ(str, "mark red")) {
1177                 return parse_int(&targ->marking[2], pkey);
1178         }
1179
1180         if (STR_EQ(str, "tx cores")) {
1181                 uint8_t dest_task = 0;
1182                 /* if user did not specify, dest_port is left at default (first type) */
1183                 uint8_t dest_proto = 0;
1184                 uint8_t ctrl = CTRL_TYPE_DP;
1185                 char *task_str = strstr(pkey, "proto=");
1186                 if (task_str) {
1187                         task_str += strlen("proto=");
1188
1189                         if (STR_EQ(task_str, "ipv4")) {
1190                                 dest_proto = IPV4;
1191                         }
1192                         else if (STR_EQ(task_str, "arp")) {
1193                                 dest_proto = ARP;
1194                         }
1195                         else if (STR_EQ(task_str, "ipv6")) {
1196                                 dest_proto = IPV6;
1197                         }
1198                         else {
1199                                 set_errf("proto needs to be either ipv4, arp or ipv6");
1200                                 return -1;
1201                         }
1202
1203                 }
1204
1205                 task_str = strstr(pkey, "task=");
1206
1207                 if (task_str) {
1208                         --task_str;
1209                         *task_str = 0;
1210                         task_str++;
1211                         task_str += strlen("task=");
1212                         char *task_str_end = strstr(task_str, " ");
1213                         if (task_str_end) {
1214                                 *task_str_end = 0;
1215                         }
1216                         if (0 == strlen(task_str)) {
1217                                 set_errf("Invalid task= syntax");
1218                                 return -1;
1219                         }
1220
1221                         switch (task_str[strlen(task_str) - 1]) {
1222                         case 'p':
1223                                 ctrl = CTRL_TYPE_PKT;
1224                                 break;
1225                         case 'm':
1226                                 ctrl = CTRL_TYPE_MSG;
1227                                 break;
1228                         case '\n':
1229                         case 0:
1230                                 break;
1231                         default:
1232                                 if (task_str[strlen(task_str) -1] < '0' ||
1233                                     task_str[strlen(task_str) -1] > '9') {
1234                                         set_errf("Unknown ring type %c.\n",
1235                                                  task_str[strlen(task_str) - 1]);
1236                                         return -1;
1237                                 }
1238                         }
1239
1240                         dest_task = atoi(task_str);
1241                         if (dest_task >= MAX_TASKS_PER_CORE) {
1242                                 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1243                                 return -1;
1244                         }
1245                 }
1246                 else {
1247                         dest_task = 0;
1248                 }
1249
1250                 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1251
1252                 if (parse_task_set(cts, pkey))
1253                         return -1;
1254
1255                 if (cts->n_elems > MAX_WT_PER_LB) {
1256                         set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1257                         return -1;
1258                 }
1259
1260                 targ->nb_worker_threads = cts->n_elems;
1261                 targ->nb_txrings += cts->n_elems;
1262
1263                 return 0;
1264         }
1265         if (STR_EQ(str, "tx crc")) {
1266                 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1267         }
1268         if (STR_EQ(str, "ring size")) {
1269                 return parse_int(&targ->ring_size, pkey);
1270         }
1271         if (STR_EQ(str, "mempool size")) {
1272                 return parse_kmg(&targ->nb_mbuf, pkey);
1273         }
1274
1275         else if (STR_EQ(str, "mbuf size")) {
1276                 return parse_int(&targ->mbuf_size, pkey);
1277         }
1278         if (STR_EQ(str, "memcache size")) {
1279                 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1280         }
1281
1282         if (STR_EQ(str, "byte offset")) {
1283                 return parse_int(&targ->byte_offset, pkey);
1284         }
1285
1286         if (STR_EQ(str, "realtime scheduling")) {
1287                 return parse_flag(&lconf->flags, LCONF_FLAG_SCHED_RR, pkey);
1288         }
1289         if (STR_EQ(str, "name")) {
1290                 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1291         }
1292         /* MPLS configuration */
1293         if (STR_EQ(str, "untag mpls")) {
1294                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1295         }
1296
1297         if (STR_EQ(str, "add mpls")) {
1298                 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1299         }
1300
1301         if (STR_EQ(str, "ether type")) {
1302                 return parse_int(&targ->etype, pkey);
1303         }
1304
1305         if (STR_EQ(str, "cache set")) {
1306                 return parse_int(&lconf->cache_set, pkey);
1307         }
1308
1309         if (STR_EQ(str, "sub mode")) {
1310                 const char* mode_str = targ->task_init->mode_str;
1311                 const char *sub_mode_str = pkey;
1312
1313                 targ->task_init = to_task_init(mode_str, sub_mode_str);
1314                 if (!targ->task_init) {
1315                         if (strcmp(sub_mode_str, "l3") != 0) {
1316                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1317                                 return -1;
1318                         }
1319                         targ->task_init = to_task_init(mode_str, "");
1320                         if (!targ->task_init) {
1321                                 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1322                                 return -1;
1323                         }
1324                 }
1325                 if (strcmp(sub_mode_str, "l3") == 0) {
1326                         prox_cfg.flags |= DSF_CTRL_PLANE_ENABLED;
1327                         targ->flags |= TASK_ARG_L3;
1328                         strcpy(targ->sub_mode_str, "l3");
1329                 } else {
1330                         strcpy(targ->sub_mode_str, targ->task_init->sub_mode_str);
1331                 }
1332                 return 0;
1333         }
1334
1335         if (STR_EQ(str, "mempool name")) {
1336                 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1337         }
1338         if (STR_EQ(str, "dpi engine")) {
1339                 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1340         }
1341         if (STR_EQ(str, "dpi engine arg")) {
1342                 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1343                                  sizeof(targ->dpi_engine_args[0]));
1344         }
1345         if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1346                 if (parse_mac(&targ->edaddr, pkey)) {
1347                         if (STR_EQ(pkey, "no")) {
1348                                 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1349                                 return 0;
1350                         }
1351                         if (STR_EQ(pkey, "packet") == 0)
1352                                 return -1;
1353                         else
1354                                 return 0;
1355                 }
1356                 targ->flags |= TASK_ARG_DST_MAC_SET;
1357                 return 0;
1358         }
1359         if (STR_EQ(str, "src mac")) {
1360                 if (parse_mac(&targ->esaddr, pkey)) {
1361                         if (STR_EQ(pkey, "no")) {
1362                                 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1363                                 return 0;
1364                         }
1365                         else if (STR_EQ(pkey, "packet"))
1366                                 return 0;
1367                         else if (STR_EQ(pkey, "hw")) {
1368                                 targ->flags |= TASK_ARG_HW_SRC_MAC;
1369                                 return 0;
1370                         } else {
1371                                 return -1;
1372                         }
1373                 }
1374                 targ->flags |= TASK_ARG_SRC_MAC_SET;
1375                 return 0;
1376         }
1377         if (STR_EQ(str, "igmp ipv4")) { /* IGMP Group */
1378                 return parse_ip(&targ->igmp_address, pkey);
1379         }
1380         if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1381                 if ((targ->flags & TASK_ARG_L3) == 0)
1382                         plog_warn("gateway ipv4 configured but L3 sub mode not enabled\n");
1383                 return parse_ip(&targ->gateway_ipv4, pkey);
1384         }
1385         if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1386                 return parse_ip(&targ->local_ipv4, pkey);
1387         }
1388         if (STR_EQ(str, "remote ipv4")) { /* source IP address to be used for packets */
1389                 return parse_ip(&targ->remote_ipv4, pkey);
1390         }
1391         if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1392                 return parse_ip6(&targ->local_ipv6, pkey);
1393         }
1394         if (STR_EQ(str, "arp timeout"))
1395                 return parse_int(&targ->arp_timeout, pkey);
1396         if (STR_EQ(str, "arp update time"))
1397                 return parse_int(&targ->arp_update_time, pkey);
1398         if (STR_EQ(str, "number of packets"))
1399                 return parse_int(&targ->n_pkts, pkey);
1400         if (STR_EQ(str, "pipes")) {
1401                 uint32_t val;
1402                 int err = parse_int(&val, pkey);
1403                 if (err)
1404                         return -1;
1405                 if (!val || !rte_is_power_of_2(val)) {
1406                         set_errf("Number of pipes has to be power of 2 and not zero");
1407                         return -1;
1408                 }
1409
1410                 targ->qos_conf.port_params.n_pipes_per_subport = val;
1411                 return 0;
1412         }
1413         if (STR_EQ(str, "queue size")) {
1414                 uint32_t val;
1415                 int err = parse_int(&val, pkey);
1416                 if (err) {
1417                         return -1;
1418                 }
1419
1420                 targ->qos_conf.port_params.qsize[0] = val;
1421                 targ->qos_conf.port_params.qsize[1] = val;
1422                 targ->qos_conf.port_params.qsize[2] = val;
1423                 targ->qos_conf.port_params.qsize[3] = val;
1424                 return 0;
1425         }
1426         if (STR_EQ(str, "subport tb rate")) {
1427                 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1428         }
1429         if (STR_EQ(str, "subport tb size")) {
1430                 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1431         }
1432         if (STR_EQ(str, "subport tc 0 rate")) {
1433                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1434         }
1435         if (STR_EQ(str, "subport tc 1 rate")) {
1436                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1437         }
1438         if (STR_EQ(str, "subport tc 2 rate")) {
1439                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1440         }
1441         if (STR_EQ(str, "subport tc 3 rate")) {
1442                 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1443         }
1444
1445         if (STR_EQ(str, "subport tc rate")) {
1446                 uint32_t val;
1447                 int err = parse_int(&val, pkey);
1448                 if (err) {
1449                         return -1;
1450                 }
1451
1452                 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1453                 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1454                 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1455                 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1456
1457                 return 0;
1458         }
1459         if (STR_EQ(str, "subport tc period")) {
1460                 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1461         }
1462         if (STR_EQ(str, "pipe tb rate")) {
1463                 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1464         }
1465         if (STR_EQ(str, "pipe tb size")) {
1466                 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1467         }
1468         if (STR_EQ(str, "pipe tc rate")) {
1469                 uint32_t val;
1470                 int err = parse_int(&val, pkey);
1471                 if (err) {
1472                         return -1;
1473                 }
1474
1475                 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1476                 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1477                 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1478                 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1479                 return 0;
1480         }
1481         if (STR_EQ(str, "pipe tc 0 rate")) {
1482                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1483         }
1484         if (STR_EQ(str, "pipe tc 1 rate")) {
1485                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1486         }
1487         if (STR_EQ(str, "pipe tc 2 rate")) {
1488                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1489         }
1490         if (STR_EQ(str, "pipe tc 3 rate")) {
1491                 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1492         }
1493         if (STR_EQ(str, "pipe tc period")) {
1494                 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1495         }
1496         if (STR_EQ(str, "police action")) {
1497                 char *in = strstr(pkey, " io=");
1498                 if (in == NULL) {
1499                         set_errf("Need to specify io colors using io=in_color,out_color\n");
1500                         return -1;
1501                 }
1502                 *in = 0;
1503                 in += strlen(" io=");
1504
1505                 char *out = strstr(in, ",");
1506                 if (out == NULL) {
1507                         set_errf("Output color not specified\n");
1508                 }
1509                 *out = 0;
1510                 out++;
1511
1512                 enum police_action in_color = str_to_color(in);
1513                 enum police_action out_color = str_to_color(out);
1514
1515                 if (in_color == ACT_INVALID) {
1516                         set_errf("Invalid input color %s. Expected green, yellow or red", in);
1517                         return -1;
1518                 }
1519                 if (out_color == ACT_INVALID) {
1520                         set_errf("Invalid output color %s. Expected green, yellow or red", out);
1521                         return -1;
1522                 }
1523                 enum police_action action = str_to_color(pkey);
1524                 if (action == ACT_INVALID) {
1525                         set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1526                         return -1;
1527                 }
1528                 targ->police_act[in_color][out_color] = action;
1529
1530                 return 0;
1531         }
1532         if (STR_EQ(str, "qinq tag")) {
1533                 return parse_int(&targ->qinq_tag, pkey);
1534         }
1535         if (STR_EQ(str, "cir")) {
1536                 return parse_int(&targ->cir, pkey);
1537         }
1538         if (STR_EQ(str, "cbs")) {
1539                 return parse_int(&targ->cbs, pkey);
1540         }
1541         if (STR_EQ(str, "pir")) {
1542                 return parse_int(&targ->pir, pkey);
1543         }
1544         if (STR_EQ(str, "pbs")) {
1545                 return parse_int(&targ->pbs, pkey);
1546         }
1547         if (STR_EQ(str, "ebs")) {
1548                 return parse_int(&targ->ebs, pkey);
1549         }
1550         uint32_t queue_id = 0;
1551         if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1552                 uint32_t val;
1553                 int err = parse_int(&val, pkey);
1554                 if (err) {
1555                         return -1;
1556                 }
1557                 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1558                 return 0;
1559         }
1560         if (STR_EQ(str, "classify")) {
1561                 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1562                         set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1563                         return -1;
1564                 }
1565
1566                 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1567         }
1568         if (STR_EQ(str, "flow table size")) {
1569                 return parse_int(&targ->flow_table_size, pkey);
1570         }
1571 #ifdef GRE_TP
1572         if (STR_EQ(str, "tbf rate")) {
1573                 return parse_int(&targ->tb_rate, pkey);
1574         }
1575         if (STR_EQ(str, "tbf size")) {
1576                 return parse_int(&targ->tb_size, pkey);
1577         }
1578 #endif
1579         if (STR_EQ(str, "max rules")) {
1580                 return parse_int(&targ->n_max_rules, pkey);
1581         }
1582
1583         if (STR_EQ(str, "tunnel hop limit")) {
1584                 uint32_t val;
1585                 int err = parse_int(&val, pkey);
1586                 if (err) {
1587                         return -1;
1588                 }
1589                 targ->tunnel_hop_limit = val;
1590                 return 0;
1591         }
1592
1593         if (STR_EQ(str, "lookup port mask")) {
1594                 uint32_t val;
1595                 int err = parse_int(&val, pkey);
1596                 if (err) {
1597                         return -1;
1598                 }
1599                 targ->lookup_port_mask = val;
1600                 return 0;
1601         }
1602
1603         if (STR_EQ(str, "irq debug")) {
1604                 parse_int(&targ->irq_debug, pkey);
1605                 return 0;
1606         }
1607
1608         set_errf("Option '%s' is not known", str);
1609         /* fail on unknown keys */
1610         return -1;
1611 }
1612
1613 static int str_is_number(const char *in)
1614 {
1615         int dot_once = 0;
1616
1617         for (size_t i = 0; i < strlen(in); ++i) {
1618                 if (!dot_once && in[i] == '.') {
1619                         dot_once = 1;
1620                         continue;
1621                 }
1622
1623                 if (in[i] < '0' || in[i] > '9')
1624                         return 0;
1625         }
1626
1627         return 1;
1628 }
1629
1630 /* command line parameters parsing procedure */
1631 int prox_parse_args(int argc, char **argv)
1632 {
1633         int i, opt, ret;
1634         char *tmp, *tmp2;
1635         char tmp3[64];
1636
1637         /* Default settings */
1638         prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1639         prox_cfg.ui = PROX_UI_CURSES;
1640
1641         plog_info("\tCommand line:");
1642         for (i = 0; i < argc; ++i) {
1643                 plog_info(" %s", argv[i]);
1644         }
1645         plog_info("\n");
1646
1647         while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1648                 switch (opt) {
1649                 case 'f':
1650                         /* path to config file */
1651                         cfg_file = optarg;
1652                         size_t offset = 0;
1653                         for (size_t i = 0; i < strlen(cfg_file); ++i) {
1654                                 if (cfg_file[i] == '/') {
1655                                         offset = i + 1;
1656                                 }
1657                         }
1658
1659                         prox_strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1660                         break;
1661                 case 'v':
1662                         plog_set_lvl(atoi(optarg));
1663                         break;
1664                 case 'l':
1665                         prox_cfg.log_name_pid = 0;
1666                         prox_strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1667                         break;
1668                 case 'p':
1669                         prox_cfg.log_name_pid = 1;
1670                         break;
1671                 case 'k':
1672                         prox_cfg.use_stats_logger = 1;
1673                         break;
1674                 case 'd':
1675                         prox_cfg.flags |= DSF_DAEMON;
1676                         prox_cfg.ui = PROX_UI_NONE;
1677                         break;
1678                 case 'z':
1679                         prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1680                         prox_cfg.flags |= DSF_CHECK_INIT;
1681                         break;
1682                 case 'n':
1683                         prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1684                         break;
1685                 case 'r':
1686                         if (!str_is_number(optarg) || strlen(optarg) > 11)
1687                                 return -1;
1688                         prox_strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1689                         break;
1690                 case 'o':
1691                         if (prox_cfg.flags & DSF_DAEMON)
1692                                 break;
1693
1694                         if (!strcmp(optarg, "curses")) {
1695                                 prox_cfg.ui = PROX_UI_CURSES;
1696                         }
1697                         else if (!strcmp(optarg, "cli")) {
1698                                 prox_cfg.ui = PROX_UI_CLI;
1699                         }
1700                         else if (!strcmp(optarg, "none")) {
1701                                 prox_cfg.ui = PROX_UI_NONE;
1702                         }
1703                         else {
1704                                 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1705                                 return -1;
1706                         }
1707                         break;
1708                 case 'q':
1709                         if (luaL_loadstring(prox_lua(), optarg)) {
1710                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1711                                 return -1;
1712                         }
1713
1714                         if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1715                                 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1716                                 return -1;
1717                         }
1718
1719                         break;
1720                 case 'a':
1721                         /* autostart all cores */
1722                         prox_cfg.flags |= DSF_AUTOSTART;
1723                         break;
1724                 case 'e':
1725                         /* don't autostart */
1726                         prox_cfg.flags &= ~DSF_AUTOSTART;
1727                         break;
1728                 case 't':
1729                         prox_cfg.flags |= DSF_LISTEN_TCP;
1730                         break;
1731                 case 'u':
1732                         prox_cfg.flags |= DSF_LISTEN_UDS;
1733                         break;
1734                 case 'm':
1735                         /* list supported task modes and exit */
1736                         prox_cfg.flags |= DSF_LIST_TASK_MODES;
1737                         break;
1738                 case 's':
1739                         /* check configuration file syntax and exit */
1740                         prox_cfg.flags |= DSF_CHECK_SYNTAX;
1741                         break;
1742                 case 'i':
1743                         /* check initialization sequence and exit */
1744                         prox_cfg.flags |= DSF_CHECK_INIT;
1745                         break;
1746                 case 'w':
1747                         tmp = optarg;
1748                         tmp2 = 0;
1749                         if (strlen(tmp) >= 3 &&
1750                             (tmp2 = strchr(tmp, '='))) {
1751                                 *tmp2 = 0;
1752                                 tmp3[0] = '$';
1753                                 prox_strncpy(tmp3 + 1, tmp, 63);
1754                                 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1755                                 ret = add_var(tmp3, tmp2 + 1, 1);
1756                                 if (ret == -2) {
1757                                         plog_err("\tFailed to add variable, too many variables defines\n");
1758                                         return -1;
1759                                 }
1760                                 else if(ret == -3) {
1761                                         plog_err("\tFailed to add variable, already defined\n");
1762                                         return -1;
1763                                 }
1764                                 break;
1765                         }
1766                         /* fall-through */
1767                 default:
1768                         plog_err("\tUnknown option\n");
1769                         return -1;
1770                 }
1771         }
1772
1773         /* reset getopt lib for DPDK */
1774         optind = 0;
1775
1776         return 0;
1777 }
1778
1779 static int check_cfg(void)
1780 {
1781         /* Sanity check */
1782 #define RETURN_IF(cond, err)                    \
1783         if (cond) {                             \
1784                 plog_err(err);                  \
1785                 return -1;                      \
1786         };
1787
1788         RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1789         RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1790
1791 #undef RETURN_IF
1792
1793         return 0;
1794 }
1795
1796 static int calc_tot_rxrings(void)
1797 {
1798         struct lcore_cfg *slconf, *dlconf;
1799         struct task_args *starg, *dtarg;
1800         uint32_t dlcore_id;
1801         uint8_t dtask_id;
1802         struct core_task ct;
1803
1804         dlconf = NULL;
1805         while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1806                 dtarg->tot_rxrings = 0;
1807         }
1808
1809         slconf = NULL;
1810         while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1811                 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1812                         for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1813                                 ct = starg->core_task_set[idx].core_task[ring_idx];
1814                                 if (!prox_core_active(ct.core, 0)) {
1815                                         set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1816                                                  ct.core, slconf->id, starg->id);
1817                                         return -1;
1818                                 }
1819
1820                                 dlconf = &lcore_cfg_init[ct.core];
1821
1822                                 if (ct.task >= dlconf->n_tasks_all) {
1823                                         set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1824                                         return -1;
1825                                 }
1826
1827                                 dtarg = &dlconf->targs[ct.task];
1828
1829                                 /* Control rings are not relevant at this point. */
1830                                 if (ct.type)
1831                                         continue;
1832
1833                                 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1834                                         set_errf("Core %u task %u is not expecting to receive through a ring\n",
1835                                                  ct.core, ct.task);
1836                                         return -1;
1837                                 }
1838
1839                                 dtarg->tot_rxrings++;
1840                                 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1841                                         set_errf("Core %u task %u is receiving from too many tasks",
1842                                                  ct.core, ct.task);
1843                                         return -1;
1844                                 }
1845                         }
1846                 }
1847         }
1848
1849         return 0;
1850 }
1851
1852 static void prox_set_core_mask(void)
1853 {
1854         struct lcore_cfg *lconf;
1855
1856         prox_core_clr();
1857         for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1858                 lconf = &lcore_cfg_init[lcore_id];
1859                 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1860                         prox_core_set_active(lcore_id);
1861                 }
1862         }
1863 }
1864
1865 static int is_using_no_drop(void)
1866 {
1867         uint32_t lcore_id;
1868         struct lcore_cfg *lconf;
1869         struct task_args *targs;
1870
1871         lcore_id = -1;
1872         while(prox_core_next(&lcore_id, 1) == 0) {
1873                 lconf = &lcore_cfg_init[lcore_id];
1874                 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1875                         targs = &lconf->targs[task_id];
1876                         if (!(targs->flags & TASK_ARG_DROP))
1877                                 return 1;
1878                 }
1879         }
1880         return 0;
1881 }
1882
1883 int prox_read_config_file(void)
1884 {
1885         set_global_defaults(&prox_cfg);
1886         set_task_defaults(&prox_cfg, lcore_cfg_init);
1887         set_port_defaults();
1888         plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1889         struct cfg_file *pcfg = cfg_open(cfg_file);
1890         if (pcfg == NULL) {
1891                 return -1;
1892         }
1893
1894         struct cfg_section* config_sections[] = {
1895                 &lua_cfg          ,
1896                 &var_cfg          ,
1897                 &eal_default_cfg  ,
1898                 &cache_set_cfg    ,
1899                 &port_cfg         ,
1900                 &defaults_cfg     ,
1901                 &settings_cfg     ,
1902                 &core_cfg         ,
1903                 NULL
1904         };
1905
1906         for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1907                 const char* name = (*section)->name;
1908                 size_t len = strlen(name);
1909                 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1910                 cfg_parse(pcfg, *section);
1911
1912                 if ((*section)->error) {
1913                         plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1914                                  , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1915                                  strlen(get_parse_err())? get_parse_err() : err_str);
1916                         cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1917                         return -1;
1918                 }
1919         }
1920
1921         cfg_close(pcfg);
1922
1923         prox_set_core_mask();
1924
1925         if (is_using_no_drop()) {
1926                 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1927         }
1928
1929         if (calc_tot_rxrings()) {
1930                 plog_err("Error in configuration: %s\n", err_str);
1931                 return -1;
1932         }
1933
1934         return check_cfg();
1935 }
1936
1937 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1938 {
1939         plog_err("\tError in rte_eal_init()\n");
1940 }
1941
1942 int prox_setup_rte(const char *prog_name)
1943 {
1944         char *rte_argv[MAX_RTE_ARGV];
1945         char  rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1946         char tmp[PROX_CM_STR_LEN];
1947         /* create mask of used cores */
1948         plog_info("=== Setting up RTE EAL ===\n");
1949
1950         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1951                 plog_info("Using dummy cpu topology\n");
1952                 snprintf(tmp, sizeof(tmp), "0x1");
1953         } else {
1954                 prox_core_to_hex(tmp, sizeof(tmp), 0);
1955                 plog_info("\tWorker threads core mask is %s\n", tmp);
1956                 prox_core_to_hex(tmp, sizeof(tmp), 1);
1957                 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1958         }
1959
1960         /* fake command line parameters for rte_eal_init() */
1961         int argc = 0;
1962         rte_argv[argc] = strdup(prog_name);
1963         sprintf(rte_arg[++argc], "-c%s", tmp);
1964         rte_argv[argc] = rte_arg[argc];
1965 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1966         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1967                 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1968         else
1969                 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1970         rte_argv[argc] = rte_arg[argc];
1971 #else
1972         /* For old DPDK versions, the master core had to be the first
1973            core. */
1974         uint32_t first_core = -1;
1975
1976         if (prox_core_next(&first_core, 1) == -1) {
1977                 plog_err("Can't core ID of first core in use\n");
1978                 return -1;
1979         }
1980         if (first_core != prox_cfg.master) {
1981                 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1982                 return -1;
1983         }
1984 #endif
1985
1986         if (rte_cfg.memory) {
1987                 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1988                 rte_argv[argc] = rte_arg[argc];
1989         }
1990
1991         if (rte_cfg.force_nchannel) {
1992                 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1993                 rte_argv[argc] = rte_arg[argc];
1994         }
1995
1996         if (rte_cfg.force_nrank) {
1997                 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1998                 rte_argv[argc] = rte_arg[argc];
1999         }
2000
2001         if (rte_cfg.no_hugetlbfs) {
2002                 strcpy(rte_arg[++argc], "--no-huge");
2003                 rte_argv[argc] = rte_arg[argc];
2004         }
2005
2006         if (rte_cfg.no_pci) {
2007                 strcpy(rte_arg[++argc], "--no-pci");
2008                 rte_argv[argc] = rte_arg[argc];
2009         }
2010
2011         if (rte_cfg.no_hpet) {
2012                 strcpy(rte_arg[++argc], "--no-hpet");
2013                 rte_argv[argc] = rte_arg[argc];
2014         }
2015
2016         if (rte_cfg.no_shconf) {
2017                 strcpy(rte_arg[++argc], "--no-shconf");
2018                 rte_argv[argc] = rte_arg[argc];
2019         }
2020
2021         if (rte_cfg.eal != NULL) {
2022                 char *ptr = rte_cfg.eal;
2023                 char *ptr2;
2024                 while (ptr != NULL) {
2025                         while (isspace(*ptr))
2026                                 ptr++;
2027                         ptr2 = ptr;
2028                         ptr = strchr(ptr, ' ');
2029                         if (ptr) {
2030                                 *ptr++ = '\0';
2031                         }
2032                         strcpy(rte_arg[++argc], ptr2);
2033                         rte_argv[argc] = rte_arg[argc];
2034                 }
2035         }
2036
2037         if (rte_cfg.hugedir != NULL) {
2038                 strcpy(rte_arg[++argc], "--huge-dir");
2039                 rte_argv[argc] = rte_arg[argc];
2040                 rte_argv[++argc] = rte_cfg.hugedir;
2041         }
2042
2043         if (rte_cfg.no_output) {
2044                 rte_log_set_global_level(0);
2045         }
2046         /* init EAL */
2047         plog_info("\tEAL command line:");
2048         if (argc >= MAX_RTE_ARGV) {
2049                 plog_err("too many arguments for EAL\n");
2050                 return -1;
2051         }
2052
2053         for (int h = 0; h <= argc; ++h) {
2054                 plog_info(" %s", rte_argv[h]);
2055         }
2056         plog_info("\n");
2057
2058         rte_set_application_usage_hook(failed_rte_eal_init);
2059         if (rte_eal_init(++argc, rte_argv) < 0) {
2060                 plog_err("\tError in rte_eal_init()\n");
2061                 return -1;
2062         }
2063         plog_info("\tEAL Initialized\n");
2064
2065         if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
2066                 return 0;
2067
2068         /* check if all active cores are in enabled in DPDK */
2069         for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
2070                 if (lcore_id == prox_cfg.master) {
2071                         if (!rte_lcore_is_enabled(lcore_id))
2072                                 return -1;
2073                 }
2074                 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
2075                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2076                         return -1;
2077                 }
2078                 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
2079                         plog_err("\tFailed to enable lcore %u\n", lcore_id);
2080                         return -1;
2081                 }
2082         }
2083         return 0;
2084 }