examples/l3fwd-graph/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2020 Marvell International Ltd.
   3  */
   4
   5 #include <arpa/inet.h>
   6 #include <errno.h>
   7 #include <getopt.h>
   8 #include <inttypes.h>
   9 #include <signal.h>
  10 #include <stdarg.h>
  11 #include <stdbool.h>
  12 #include <stdint.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <sys/socket.h>
  17 #include <sys/types.h>
  18 #include <sys/queue.h>
  19 #include <unistd.h>
  20
  21 #include <rte_branch_prediction.h>
  22 #include <rte_common.h>
  23 #include <rte_cycles.h>
  24 #include <rte_eal.h>
  25 #include <rte_ethdev.h>
  26 #include <rte_lcore.h>
  27 #include <rte_log.h>
  28 #include <rte_mempool.h>
  29 #include <rte_per_lcore.h>
  30 #include <rte_string_fns.h>
  31 #include <rte_vect.h>
  32
  33 #include <cmdline_parse.h>
  34 #include <cmdline_parse_etheraddr.h>
  35
  36 /* Log type */
  37 #define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1
  38
  39 /*
  40  * Configurable number of RX/TX ring descriptors
  41  */
  42 #define RTE_TEST_RX_DESC_DEFAULT 1024
  43 #define RTE_TEST_TX_DESC_DEFAULT 1024
  44
  45 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
  46 #define MAX_RX_QUEUE_PER_PORT 128
  47
  48 #define MAX_RX_QUEUE_PER_LCORE 16
  49
  50 #define MAX_LCORE_PARAMS 1024
  51
  52 #define NB_SOCKETS 8
  53
  54 /* Static global variables used within this file. */
  55 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  56 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  57
  58 /**< Ports set in promiscuous mode off by default. */
  59 static int promiscuous_on;
  60
  61 static int numa_on = 1;   /**< NUMA is enabled by default. */
  62 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
  63                           /**< by default */
  64
  65 static volatile bool force_quit;
  66
  67 /* Ethernet addresses of ports */
  68 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
  69 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
  70 xmm_t val_eth[RTE_MAX_ETHPORTS];
  71
  72 /* Mask of enabled ports */
  73 static uint32_t enabled_port_mask;
  74
  75 struct lcore_rx_queue {
  76         uint16_t port_id;
  77         uint8_t queue_id;
  78 };
  79
  80 /* Lcore conf */
  81 struct lcore_conf {
  82         uint16_t n_rx_queue;
  83         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
  84 } __rte_cache_aligned;
  85
  86 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
  87
  88 struct lcore_params {
  89         uint16_t port_id;
  90         uint8_t queue_id;
  91         uint8_t lcore_id;
  92 } __rte_cache_aligned;
  93
  94 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
  95 static struct lcore_params lcore_params_array_default[] = {
  96         {0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2},
  97         {1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3},
  98 };
  99
 100 static struct lcore_params *lcore_params = lcore_params_array_default;
 101 static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
 102
 103 static struct rte_eth_conf port_conf = {
 104         .rxmode = {
 105                 .mq_mode = ETH_MQ_RX_RSS,
 106                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 107                 .split_hdr_size = 0,
 108         },
 109         .rx_adv_conf = {
 110                 .rss_conf = {
 111                                 .rss_key = NULL,
 112                                 .rss_hf = ETH_RSS_IP,
 113                 },
 114         },
 115         .txmode = {
 116                 .mq_mode = ETH_MQ_TX_NONE,
 117         },
 118 };
 119
 120 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
 121
 122 static int
 123 check_lcore_params(void)
 124 {
 125         uint8_t queue, lcore;
 126         int socketid;
 127         uint16_t i;
 128
 129         for (i = 0; i < nb_lcore_params; ++i) {
 130                 queue = lcore_params[i].queue_id;
 131                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
 132                         printf("Invalid queue number: %hhu\n", queue);
 133                         return -1;
 134                 }
 135                 lcore = lcore_params[i].lcore_id;
 136                 if (!rte_lcore_is_enabled(lcore)) {
 137                         printf("Error: lcore %hhu is not enabled in lcore mask\n",
 138                                lcore);
 139                         return -1;
 140                 }
 141
 142                 if (lcore == rte_get_master_lcore()) {
 143                         printf("Error: lcore %u is master lcore\n", lcore);
 144                         return -1;
 145                 }
 146                 socketid = rte_lcore_to_socket_id(lcore);
 147                 if ((socketid != 0) && (numa_on == 0)) {
 148                         printf("Warning: lcore %hhu is on socket %d with numa off\n",
 149                                lcore, socketid);
 150                 }
 151         }
 152
 153         return 0;
 154 }
 155
 156 static int
 157 check_port_config(void)
 158 {
 159         uint16_t portid;
 160         uint16_t i;
 161
 162         for (i = 0; i < nb_lcore_params; ++i) {
 163                 portid = lcore_params[i].port_id;
 164                 if ((enabled_port_mask & (1 << portid)) == 0) {
 165                         printf("Port %u is not enabled in port mask\n", portid);
 166                         return -1;
 167                 }
 168                 if (!rte_eth_dev_is_valid_port(portid)) {
 169                         printf("Port %u is not present on the board\n", portid);
 170                         return -1;
 171                 }
 172         }
 173
 174         return 0;
 175 }
 176
 177 static uint8_t
 178 get_port_n_rx_queues(const uint16_t port)
 179 {
 180         int queue = -1;
 181         uint16_t i;
 182
 183         for (i = 0; i < nb_lcore_params; ++i) {
 184                 if (lcore_params[i].port_id == port) {
 185                         if (lcore_params[i].queue_id == queue + 1)
 186                                 queue = lcore_params[i].queue_id;
 187                         else
 188                                 rte_exit(EXIT_FAILURE,
 189                                          "Queue ids of the port %d must be"
 190                                          " in sequence and must start with 0\n",
 191                                          lcore_params[i].port_id);
 192                 }
 193         }
 194
 195         return (uint8_t)(++queue);
 196 }
 197
 198 static int
 199 init_lcore_rx_queues(void)
 200 {
 201         uint16_t i, nb_rx_queue;
 202         uint8_t lcore;
 203
 204         for (i = 0; i < nb_lcore_params; ++i) {
 205                 lcore = lcore_params[i].lcore_id;
 206                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 207                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 208                         printf("Error: too many queues (%u) for lcore: %u\n",
 209                                (unsigned int)nb_rx_queue + 1,
 210                                (unsigned int)lcore);
 211                         return -1;
 212                 }
 213
 214                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 215                         lcore_params[i].port_id;
 216                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 217                         lcore_params[i].queue_id;
 218                 lcore_conf[lcore].n_rx_queue++;
 219         }
 220
 221         return 0;
 222 }
 223
 224 /* Display usage */
 225 static void
 226 print_usage(const char *prgname)
 227 {
 228         fprintf(stderr,
 229                 "%s [EAL options] --"
 230                 " -p PORTMASK"
 231                 " [-P]"
 232                 " --config (port,queue,lcore)[,(port,queue,lcore)]"
 233                 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
 234                 " [--enable-jumbo [--max-pkt-len PKTLEN]]"
 235                 " [--no-numa]"
 236                 " [--per-port-pool]\n\n"
 237
 238                 "  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
 239                 "  -P : Enable promiscuous mode\n"
 240                 "  --config (port,queue,lcore): Rx queue configuration\n"
 241                 "  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for "
 242                 "port X\n"
 243                 "  --enable-jumbo: Enable jumbo frames\n"
 244                 "  --max-pkt-len: Under the premise of enabling jumbo,\n"
 245                 "                 maximum packet length in decimal (64-9600)\n"
 246                 "  --no-numa: Disable numa awareness\n"
 247                 "  --per-port-pool: Use separate buffer pool per port\n\n",
 248                 prgname);
 249 }
 250
 251 static int
 252 parse_max_pkt_len(const char *pktlen)
 253 {
 254         unsigned long len;
 255         char *end = NULL;
 256
 257         /* Parse decimal string */
 258         len = strtoul(pktlen, &end, 10);
 259         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
 260                 return -1;
 261
 262         if (len == 0)
 263                 return -1;
 264
 265         return len;
 266 }
 267
 268 static int
 269 parse_portmask(const char *portmask)
 270 {
 271         char *end = NULL;
 272         unsigned long pm;
 273
 274         /* Parse hexadecimal string */
 275         pm = strtoul(portmask, &end, 16);
 276         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 277                 return -1;
 278
 279         if (pm == 0)
 280                 return -1;
 281
 282         return pm;
 283 }
 284
 285 static int
 286 parse_config(const char *q_arg)
 287 {
 288         enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
 289         unsigned long int_fld[_NUM_FLD];
 290         const char *p, *p0 = q_arg;
 291         char *str_fld[_NUM_FLD];
 292         uint32_t size;
 293         char s[256];
 294         char *end;
 295         int i;
 296
 297         nb_lcore_params = 0;
 298
 299         while ((p = strchr(p0, '(')) != NULL) {
 300                 ++p;
 301                 p0 = strchr(p, ')');
 302                 if (p0 == NULL)
 303                         return -1;
 304
 305                 size = p0 - p;
 306                 if (size >= sizeof(s))
 307                         return -1;
 308
 309                 memcpy(s, p, size);
 310                 s[size] = '\0';
 311                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
 312                     _NUM_FLD)
 313                         return -1;
 314                 for (i = 0; i < _NUM_FLD; i++) {
 315                         errno = 0;
 316                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 317                         if (errno != 0 || end == str_fld[i])
 318                                 return -1;
 319                 }
 320
 321                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 322                         printf("Exceeded max number of lcore params: %hu\n",
 323                                nb_lcore_params);
 324                         return -1;
 325                 }
 326
 327                 if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
 328                     int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
 329                         printf("Invalid port/lcore id\n");
 330                         return -1;
 331                 }
 332
 333                 lcore_params_array[nb_lcore_params].port_id =
 334                         (uint8_t)int_fld[FLD_PORT];
 335                 lcore_params_array[nb_lcore_params].queue_id =
 336                         (uint8_t)int_fld[FLD_QUEUE];
 337                 lcore_params_array[nb_lcore_params].lcore_id =
 338                         (uint8_t)int_fld[FLD_LCORE];
 339                 ++nb_lcore_params;
 340         }
 341         lcore_params = lcore_params_array;
 342
 343         return 0;
 344 }
 345
 346 static void
 347 parse_eth_dest(const char *optarg)
 348 {
 349         uint8_t c, *dest, peer_addr[6];
 350         uint16_t portid;
 351         char *port_end;
 352
 353         errno = 0;
 354         portid = strtoul(optarg, &port_end, 10);
 355         if (errno != 0 || port_end == optarg || *port_end++ != ',')
 356                 rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
 357         if (portid >= RTE_MAX_ETHPORTS)
 358                 rte_exit(EXIT_FAILURE,
 359                          "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
 360                          RTE_MAX_ETHPORTS);
 361
 362         if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
 363                                     sizeof(peer_addr)) < 0)
 364                 rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
 365                          port_end);
 366         dest = (uint8_t *)&dest_eth_addr[portid];
 367         for (c = 0; c < 6; c++)
 368                 dest[c] = peer_addr[c];
 369         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 370 }
 371
 372 #define MAX_JUMBO_PKT_LEN  9600
 373 #define MEMPOOL_CACHE_SIZE 256
 374
 375 static const char short_options[] = "p:" /* portmask */
 376                                     "P"  /* promiscuous */
 377         ;
 378
 379 #define CMD_LINE_OPT_CONFIG        "config"
 380 #define CMD_LINE_OPT_ETH_DEST      "eth-dest"
 381 #define CMD_LINE_OPT_NO_NUMA       "no-numa"
 382 #define CMD_LINE_OPT_ENABLE_JUMBO  "enable-jumbo"
 383 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
 384 enum {
 385         /* Long options mapped to a short option */
 386
 387         /* First long only option value must be >= 256, so that we won't
 388          * conflict with short options
 389          */
 390         CMD_LINE_OPT_MIN_NUM = 256,
 391         CMD_LINE_OPT_CONFIG_NUM,
 392         CMD_LINE_OPT_ETH_DEST_NUM,
 393         CMD_LINE_OPT_NO_NUMA_NUM,
 394         CMD_LINE_OPT_ENABLE_JUMBO_NUM,
 395         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
 396 };
 397
 398 static const struct option lgopts[] = {
 399         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
 400         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
 401         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
 402         {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
 403         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
 404         {NULL, 0, 0, 0},
 405 };
 406
 407 /*
 408  * This expression is used to calculate the number of mbufs needed
 409  * depending on user input, taking  into account memory for rx and
 410  * tx hardware rings, cache per lcore and mtable per port per lcore.
 411  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
 412  * value of 8192
 413  */
 414 #define NB_MBUF(nports)                                                        \
 415         RTE_MAX((nports * nb_rx_queue * nb_rxd +                               \
 416                  nports * nb_lcores * RTE_GRAPH_BURST_SIZE +                   \
 417                  nports * n_tx_queue * nb_txd +                                \
 418                  nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
 419
 420 /* Parse the argument given in the command line of the application */
 421 static int
 422 parse_args(int argc, char **argv)
 423 {
 424         char *prgname = argv[0];
 425         int option_index;
 426         char **argvopt;
 427         int opt, ret;
 428
 429         argvopt = argv;
 430
 431         /* Error or normal output strings. */
 432         while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
 433                                   &option_index)) != EOF) {
 434
 435                 switch (opt) {
 436                 /* Portmask */
 437                 case 'p':
 438                         enabled_port_mask = parse_portmask(optarg);
 439                         if (enabled_port_mask == 0) {
 440                                 fprintf(stderr, "Invalid portmask\n");
 441                                 print_usage(prgname);
 442                                 return -1;
 443                         }
 444                         break;
 445
 446                 case 'P':
 447                         promiscuous_on = 1;
 448                         break;
 449
 450                 /* Long options */
 451                 case CMD_LINE_OPT_CONFIG_NUM:
 452                         ret = parse_config(optarg);
 453                         if (ret) {
 454                                 fprintf(stderr, "Invalid config\n");
 455                                 print_usage(prgname);
 456                                 return -1;
 457                         }
 458                         break;
 459
 460                 case CMD_LINE_OPT_ETH_DEST_NUM:
 461                         parse_eth_dest(optarg);
 462                         break;
 463
 464                 case CMD_LINE_OPT_NO_NUMA_NUM:
 465                         numa_on = 0;
 466                         break;
 467
 468                 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
 469                         const struct option lenopts = {"max-pkt-len",
 470                                                        required_argument, 0, 0};
 471
 472                         port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 473                         port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 474
 475                         /*
 476                          * if no max-pkt-len set, use the default
 477                          * value RTE_ETHER_MAX_LEN.
 478                          */
 479                         if (getopt_long(argc, argvopt, "", &lenopts,
 480                                         &option_index) == 0) {
 481                                 ret = parse_max_pkt_len(optarg);
 482                                 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
 483                                         fprintf(stderr, "Invalid maximum "
 484                                                         "packet length\n");
 485                                         print_usage(prgname);
 486                                         return -1;
 487                                 }
 488                                 port_conf.rxmode.max_rx_pkt_len = ret;
 489                         }
 490                         break;
 491                 }
 492
 493                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
 494                         printf("Per port buffer pool is enabled\n");
 495                         per_port_pool = 1;
 496                         break;
 497
 498                 default:
 499                         print_usage(prgname);
 500                         return -1;
 501                 }
 502         }
 503
 504         if (optind >= 0)
 505                 argv[optind - 1] = prgname;
 506         ret = optind - 1;
 507         optind = 1; /* Reset getopt lib */
 508
 509         return ret;
 510 }
 511
 512 static void
 513 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 514 {
 515         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 516         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 517         printf("%s%s", name, buf);
 518 }
 519
 520 static int
 521 init_mem(uint16_t portid, uint32_t nb_mbuf)
 522 {
 523         uint32_t lcore_id;
 524         int socketid;
 525         char s[64];
 526
 527         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 528                 if (rte_lcore_is_enabled(lcore_id) == 0)
 529                         continue;
 530
 531                 if (numa_on)
 532                         socketid = rte_lcore_to_socket_id(lcore_id);
 533                 else
 534                         socketid = 0;
 535
 536                 if (socketid >= NB_SOCKETS) {
 537                         rte_exit(EXIT_FAILURE,
 538                                  "Socket %d of lcore %u is out of range %d\n",
 539                                  socketid, lcore_id, NB_SOCKETS);
 540                 }
 541
 542                 if (pktmbuf_pool[portid][socketid] == NULL) {
 543                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d", portid,
 544                                  socketid);
 545                         /* Create a pool with priv size of a cacheline */
 546                         pktmbuf_pool[portid][socketid] =
 547                                 rte_pktmbuf_pool_create(
 548                                         s, nb_mbuf, MEMPOOL_CACHE_SIZE,
 549                                         RTE_CACHE_LINE_SIZE,
 550                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
 551                         if (pktmbuf_pool[portid][socketid] == NULL)
 552                                 rte_exit(EXIT_FAILURE,
 553                                          "Cannot init mbuf pool on socket %d\n",
 554                                          socketid);
 555                         else
 556                                 printf("Allocated mbuf pool on socket %d\n",
 557                                        socketid);
 558                 }
 559         }
 560
 561         return 0;
 562 }
 563
 564 /* Check the link status of all ports in up to 9s, and print them finally */
 565 static void
 566 check_all_ports_link_status(uint32_t port_mask)
 567 {
 568 #define CHECK_INTERVAL 100 /* 100ms */
 569 #define MAX_CHECK_TIME 90  /* 9s (90 * 100ms) in total */
 570         uint8_t count, all_ports_up, print_flag = 0;
 571         struct rte_eth_link link;
 572         uint16_t portid;
 573
 574         printf("\nChecking link status");
 575         fflush(stdout);
 576         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 577                 if (force_quit)
 578                         return;
 579                 all_ports_up = 1;
 580                 RTE_ETH_FOREACH_DEV(portid)
 581                 {
 582                         if (force_quit)
 583                                 return;
 584                         if ((port_mask & (1 << portid)) == 0)
 585                                 continue;
 586                         memset(&link, 0, sizeof(link));
 587                         rte_eth_link_get_nowait(portid, &link);
 588                         /* Print link status if flag set */
 589                         if (print_flag == 1) {
 590                                 if (link.link_status)
 591                                         printf("Port%d Link Up. Speed %u Mbps "
 592                                                "-%s\n",
 593                                                portid, link.link_speed,
 594                                                (link.link_duplex ==
 595                                                 ETH_LINK_FULL_DUPLEX)
 596                                                        ? ("full-duplex")
 597                                                        : ("half-duplex\n"));
 598                                 else
 599                                         printf("Port %d Link Down\n", portid);
 600                                 continue;
 601                         }
 602                         /* Clear all_ports_up flag if any link down */
 603                         if (link.link_status == ETH_LINK_DOWN) {
 604                                 all_ports_up = 0;
 605                                 break;
 606                         }
 607                 }
 608                 /* After finally printing all link status, get out */
 609                 if (print_flag == 1)
 610                         break;
 611
 612                 if (all_ports_up == 0) {
 613                         printf(".");
 614                         fflush(stdout);
 615                         rte_delay_ms(CHECK_INTERVAL);
 616                 }
 617
 618                 /* Set the print_flag if all ports up or timeout */
 619                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 620                         print_flag = 1;
 621                         printf("Done\n");
 622                 }
 623         }
 624 }
 625
 626 static void
 627 signal_handler(int signum)
 628 {
 629         if (signum == SIGINT || signum == SIGTERM) {
 630                 printf("\n\nSignal %d received, preparing to exit...\n",
 631                        signum);
 632                 force_quit = true;
 633         }
 634 }
 635
 636 int
 637 main(int argc, char **argv)
 638 {
 639         uint8_t nb_rx_queue, queue, socketid;
 640         struct rte_eth_dev_info dev_info;
 641         uint32_t n_tx_queue, nb_lcores;
 642         struct rte_eth_txconf *txconf;
 643         uint16_t queueid, portid;
 644         struct lcore_conf *qconf;
 645         uint32_t lcore_id;
 646         uint32_t nb_ports;
 647         int ret;
 648
 649         /* Init EAL */
 650         ret = rte_eal_init(argc, argv);
 651         if (ret < 0)
 652                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
 653         argc -= ret;
 654         argv += ret;
 655
 656         force_quit = false;
 657         signal(SIGINT, signal_handler);
 658         signal(SIGTERM, signal_handler);
 659
 660         /* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */
 661         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 662                 dest_eth_addr[portid] =
 663                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
 664                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 665         }
 666
 667         /* Parse application arguments (after the EAL ones) */
 668         ret = parse_args(argc, argv);
 669         if (ret < 0)
 670                 rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
 671
 672         if (check_lcore_params() < 0)
 673                 rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
 674
 675         ret = init_lcore_rx_queues();
 676         if (ret < 0)
 677                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
 678
 679         if (check_port_config() < 0)
 680                 rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
 681
 682         nb_ports = rte_eth_dev_count_avail();
 683         nb_lcores = rte_lcore_count();
 684
 685         /* Initialize all ports */
 686         RTE_ETH_FOREACH_DEV(portid)
 687         {
 688                 struct rte_eth_conf local_port_conf = port_conf;
 689
 690                 /* Skip ports that are not enabled */
 691                 if ((enabled_port_mask & (1 << portid)) == 0) {
 692                         printf("\nSkipping disabled port %d\n", portid);
 693                         continue;
 694                 }
 695
 696                 /* Init port */
 697                 printf("Initializing port %d ... ", portid);
 698                 fflush(stdout);
 699
 700                 nb_rx_queue = get_port_n_rx_queues(portid);
 701                 n_tx_queue = nb_lcores;
 702                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
 703                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
 704                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 705                        nb_rx_queue, n_tx_queue);
 706
 707                 rte_eth_dev_info_get(portid, &dev_info);
 708                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 709                         local_port_conf.txmode.offloads |=
 710                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 711
 712                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
 713                         dev_info.flow_type_rss_offloads;
 714                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
 715                     port_conf.rx_adv_conf.rss_conf.rss_hf) {
 716                         printf("Port %u modified RSS hash function based on "
 717                                "hardware support,"
 718                                "requested:%#" PRIx64 " configured:%#" PRIx64
 719                                "\n",
 720                                portid, port_conf.rx_adv_conf.rss_conf.rss_hf,
 721                                local_port_conf.rx_adv_conf.rss_conf.rss_hf);
 722                 }
 723
 724                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 725                                             n_tx_queue, &local_port_conf);
 726                 if (ret < 0)
 727                         rte_exit(EXIT_FAILURE,
 728                                  "Cannot configure device: err=%d, port=%d\n",
 729                                  ret, portid);
 730
 731                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 732                                                        &nb_txd);
 733                 if (ret < 0)
 734                         rte_exit(EXIT_FAILURE,
 735                                  "Cannot adjust number of descriptors: err=%d, "
 736                                  "port=%d\n",
 737                                  ret, portid);
 738
 739                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 740                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 741                 printf(", ");
 742                 print_ethaddr(
 743                         "Destination:",
 744                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
 745                 printf(", ");
 746
 747                 /*
 748                  * prepare src MACs for each port.
 749                  */
 750                 rte_ether_addr_copy(
 751                         &ports_eth_addr[portid],
 752                         (struct rte_ether_addr *)(val_eth + portid) + 1);
 753
 754                 /* Init memory */
 755                 if (!per_port_pool) {
 756                         /* portid = 0; this is *not* signifying the first port,
 757                          * rather, it signifies that portid is ignored.
 758                          */
 759                         ret = init_mem(0, NB_MBUF(nb_ports));
 760                 } else {
 761                         ret = init_mem(portid, NB_MBUF(1));
 762                 }
 763                 if (ret < 0)
 764                         rte_exit(EXIT_FAILURE, "init_mem() failed\n");
 765
 766                 /* Init one TX queue per couple (lcore,port) */
 767                 queueid = 0;
 768                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 769                         if (rte_lcore_is_enabled(lcore_id) == 0)
 770                                 continue;
 771
 772                         qconf = &lcore_conf[lcore_id];
 773
 774                         if (numa_on)
 775                                 socketid = (uint8_t)rte_lcore_to_socket_id(
 776                                         lcore_id);
 777                         else
 778                                 socketid = 0;
 779
 780                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
 781                         fflush(stdout);
 782
 783                         txconf = &dev_info.default_txconf;
 784                         txconf->offloads = local_port_conf.txmode.offloads;
 785                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 786                                                      socketid, txconf);
 787                         if (ret < 0)
 788                                 rte_exit(EXIT_FAILURE,
 789                                          "rte_eth_tx_queue_setup: err=%d, "
 790                                          "port=%d\n",
 791                                          ret, portid);
 792                         queueid++;
 793                 }
 794
 795                 printf("\n");
 796         }
 797
 798         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 799                 if (rte_lcore_is_enabled(lcore_id) == 0)
 800                         continue;
 801                 qconf = &lcore_conf[lcore_id];
 802                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
 803                 fflush(stdout);
 804                 /* Init RX queues */
 805                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
 806                         struct rte_eth_rxconf rxq_conf;
 807
 808                         portid = qconf->rx_queue_list[queue].port_id;
 809                         queueid = qconf->rx_queue_list[queue].queue_id;
 810
 811                         if (numa_on)
 812                                 socketid = (uint8_t)rte_lcore_to_socket_id(
 813                                         lcore_id);
 814                         else
 815                                 socketid = 0;
 816
 817                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 818                         fflush(stdout);
 819
 820                         rte_eth_dev_info_get(portid, &dev_info);
 821                         rxq_conf = dev_info.default_rxconf;
 822                         rxq_conf.offloads = port_conf.rxmode.offloads;
 823                         if (!per_port_pool)
 824                                 ret = rte_eth_rx_queue_setup(
 825                                         portid, queueid, nb_rxd, socketid,
 826                                         &rxq_conf, pktmbuf_pool[0][socketid]);
 827                         else
 828                                 ret = rte_eth_rx_queue_setup(
 829                                         portid, queueid, nb_rxd, socketid,
 830                                         &rxq_conf,
 831                                         pktmbuf_pool[portid][socketid]);
 832                         if (ret < 0)
 833                                 rte_exit(EXIT_FAILURE,
 834                                          "rte_eth_rx_queue_setup: err=%d, "
 835                                          "port=%d\n",
 836                                          ret, portid);
 837
 838                 }
 839         }
 840
 841         printf("\n");
 842
 843         /* Start ports */
 844         RTE_ETH_FOREACH_DEV(portid)
 845         {
 846                 if ((enabled_port_mask & (1 << portid)) == 0)
 847                         continue;
 848
 849                 /* Start device */
 850                 ret = rte_eth_dev_start(portid);
 851                 if (ret < 0)
 852                         rte_exit(EXIT_FAILURE,
 853                                  "rte_eth_dev_start: err=%d, port=%d\n", ret,
 854                                  portid);
 855
 856                 /*
 857                  * If enabled, put device in promiscuous mode.
 858                  * This allows IO forwarding mode to forward packets
 859                  * to itself through 2 cross-connected  ports of the
 860                  * target machine.
 861                  */
 862                 if (promiscuous_on)
 863                         rte_eth_promiscuous_enable(portid);
 864         }
 865
 866         printf("\n");
 867
 868         check_all_ports_link_status(enabled_port_mask);
 869
 870         /* Stop ports */
 871         RTE_ETH_FOREACH_DEV(portid) {
 872                 if ((enabled_port_mask & (1 << portid)) == 0)
 873                         continue;
 874                 printf("Closing port %d...", portid);
 875                 rte_eth_dev_stop(portid);
 876                 rte_eth_dev_close(portid);
 877                 printf(" Done\n");
 878         }
 879         printf("Bye...\n");
 880
 881         return ret;
 882 }