examples/link_status_interrupt/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <stdint.h>
   9 #include <inttypes.h>
  10 #include <sys/types.h>
  11 #include <sys/queue.h>
  12 #include <netinet/in.h>
  13 #include <setjmp.h>
  14 #include <stdarg.h>
  15 #include <ctype.h>
  16 #include <errno.h>
  17 #include <getopt.h>
  18
  19 #include <rte_common.h>
  20 #include <rte_log.h>
  21 #include <rte_malloc.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_eal.h>
  25 #include <rte_launch.h>
  26 #include <rte_atomic.h>
  27 #include <rte_cycles.h>
  28 #include <rte_prefetch.h>
  29 #include <rte_lcore.h>
  30 #include <rte_per_lcore.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_random.h>
  34 #include <rte_debug.h>
  35 #include <rte_ether.h>
  36 #include <rte_ethdev.h>
  37 #include <rte_mempool.h>
  38 #include <rte_mbuf.h>
  39
  40 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1
  41
  42 #define NB_MBUF   8192
  43
  44 #define MAX_PKT_BURST 32
  45 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  46
  47 /*
  48  * Configurable number of RX/TX ring descriptors
  49  */
  50 #define RTE_TEST_RX_DESC_DEFAULT 128
  51 #define RTE_TEST_TX_DESC_DEFAULT 512
  52 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  53 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  54
  55 /* ethernet addresses of ports */
  56 static struct ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
  57
  58 /* mask of enabled ports */
  59 static uint32_t lsi_enabled_port_mask = 0;
  60
  61 static unsigned int lsi_rx_queue_per_lcore = 1;
  62
  63 /* destination port for L2 forwarding */
  64 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0};
  65
  66 #define MAX_PKT_BURST 32
  67
  68 #define MAX_RX_QUEUE_PER_LCORE 16
  69 #define MAX_TX_QUEUE_PER_PORT 16
  70 struct lcore_queue_conf {
  71         unsigned n_rx_port;
  72         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
  73         unsigned tx_queue_id;
  74 } __rte_cache_aligned;
  75 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
  76
  77 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
  78
  79 static const struct rte_eth_conf port_conf = {
  80         .rxmode = {
  81                 .split_hdr_size = 0,
  82                 .header_split   = 0, /**< Header Split disabled */
  83                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
  84                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
  85                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
  86                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
  87         },
  88         .txmode = {
  89                 .mq_mode = ETH_MQ_TX_NONE,
  90         },
  91         .intr_conf = {
  92                 .lsc = 1, /**< lsc interrupt feature enabled */
  93         },
  94 };
  95
  96 struct rte_mempool * lsi_pktmbuf_pool = NULL;
  97
  98 /* Per-port statistics struct */
  99 struct lsi_port_statistics {
 100         uint64_t tx;
 101         uint64_t rx;
 102         uint64_t dropped;
 103 } __rte_cache_aligned;
 104 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 105
 106 /* A tsc-based timer responsible for triggering statistics printout */
 107 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 108 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
 109 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
 110
 111 /* Print out statistics on packets dropped */
 112 static void
 113 print_stats(void)
 114 {
 115         struct rte_eth_link link;
 116         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 117         uint16_t portid;
 118
 119         total_packets_dropped = 0;
 120         total_packets_tx = 0;
 121         total_packets_rx = 0;
 122
 123         const char clr[] = { 27, '[', '2', 'J', '\0' };
 124         const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
 125
 126                 /* Clear screen and move to top left */
 127         printf("%s%s", clr, topLeft);
 128
 129         printf("\nPort statistics ====================================");
 130
 131         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 132                 /* skip ports that are not enabled */
 133                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 134                         continue;
 135
 136                 memset(&link, 0, sizeof(link));
 137                 rte_eth_link_get_nowait(portid, &link);
 138                 printf("\nStatistics for port %u ------------------------------"
 139                            "\nLink status: %25s"
 140                            "\nLink speed: %26u"
 141                            "\nLink duplex: %25s"
 142                            "\nPackets sent: %24"PRIu64
 143                            "\nPackets received: %20"PRIu64
 144                            "\nPackets dropped: %21"PRIu64,
 145                            portid,
 146                            (link.link_status ? "Link up" : "Link down"),
 147                            (unsigned)link.link_speed,
 148                            (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
 149                                         "full-duplex" : "half-duplex"),
 150                            port_statistics[portid].tx,
 151                            port_statistics[portid].rx,
 152                            port_statistics[portid].dropped);
 153
 154                 total_packets_dropped += port_statistics[portid].dropped;
 155                 total_packets_tx += port_statistics[portid].tx;
 156                 total_packets_rx += port_statistics[portid].rx;
 157         }
 158         printf("\nAggregate statistics ==============================="
 159                    "\nTotal packets sent: %18"PRIu64
 160                    "\nTotal packets received: %14"PRIu64
 161                    "\nTotal packets dropped: %15"PRIu64,
 162                    total_packets_tx,
 163                    total_packets_rx,
 164                    total_packets_dropped);
 165         printf("\n====================================================\n");
 166 }
 167
 168 static void
 169 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 170 {
 171         struct ether_hdr *eth;
 172         void *tmp;
 173         unsigned dst_port = lsi_dst_ports[portid];
 174         int sent;
 175         struct rte_eth_dev_tx_buffer *buffer;
 176
 177         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 178
 179         /* 02:00:00:00:00:xx */
 180         tmp = &eth->d_addr.addr_bytes[0];
 181         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 182
 183         /* src addr */
 184         ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
 185
 186         buffer = tx_buffer[dst_port];
 187         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
 188         if (sent)
 189                 port_statistics[dst_port].tx += sent;
 190 }
 191
 192 /* main processing loop */
 193 static void
 194 lsi_main_loop(void)
 195 {
 196         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 197         struct rte_mbuf *m;
 198         unsigned lcore_id;
 199         unsigned sent;
 200         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
 201         unsigned i, j, portid, nb_rx;
 202         struct lcore_queue_conf *qconf;
 203         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
 204                         BURST_TX_DRAIN_US;
 205         struct rte_eth_dev_tx_buffer *buffer;
 206
 207         prev_tsc = 0;
 208         timer_tsc = 0;
 209
 210         lcore_id = rte_lcore_id();
 211         qconf = &lcore_queue_conf[lcore_id];
 212
 213         if (qconf->n_rx_port == 0) {
 214                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
 215                 return;
 216         }
 217
 218         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
 219
 220         for (i = 0; i < qconf->n_rx_port; i++) {
 221
 222                 portid = qconf->rx_port_list[i];
 223                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
 224                         portid);
 225         }
 226
 227         while (1) {
 228
 229                 cur_tsc = rte_rdtsc();
 230
 231                 /*
 232                  * TX burst queue drain
 233                  */
 234                 diff_tsc = cur_tsc - prev_tsc;
 235                 if (unlikely(diff_tsc > drain_tsc)) {
 236
 237                         for (i = 0; i < qconf->n_rx_port; i++) {
 238
 239                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
 240                                 buffer = tx_buffer[portid];
 241
 242                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
 243                                 if (sent)
 244                                         port_statistics[portid].tx += sent;
 245
 246                         }
 247
 248                         /* if timer is enabled */
 249                         if (timer_period > 0) {
 250
 251                                 /* advance the timer */
 252                                 timer_tsc += diff_tsc;
 253
 254                                 /* if timer has reached its timeout */
 255                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
 256
 257                                         /* do this only on master core */
 258                                         if (lcore_id == rte_get_master_lcore()) {
 259                                                 print_stats();
 260                                                 /* reset the timer */
 261                                                 timer_tsc = 0;
 262                                         }
 263                                 }
 264                         }
 265
 266                         prev_tsc = cur_tsc;
 267                 }
 268
 269                 /*
 270                  * Read packet from RX queues
 271                  */
 272                 for (i = 0; i < qconf->n_rx_port; i++) {
 273
 274                         portid = qconf->rx_port_list[i];
 275                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 276                                                  pkts_burst, MAX_PKT_BURST);
 277
 278                         port_statistics[portid].rx += nb_rx;
 279
 280                         for (j = 0; j < nb_rx; j++) {
 281                                 m = pkts_burst[j];
 282                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 283                                 lsi_simple_forward(m, portid);
 284                         }
 285                 }
 286         }
 287 }
 288
 289 static int
 290 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
 291 {
 292         lsi_main_loop();
 293         return 0;
 294 }
 295
 296 /* display usage */
 297 static void
 298 lsi_usage(const char *prgname)
 299 {
 300         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
 301                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 302                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 303                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
 304                         prgname);
 305 }
 306
 307 static int
 308 lsi_parse_portmask(const char *portmask)
 309 {
 310         char *end = NULL;
 311         unsigned long pm;
 312
 313         /* parse hexadecimal string */
 314         pm = strtoul(portmask, &end, 16);
 315         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 316                 return -1;
 317
 318         if (pm == 0)
 319                 return -1;
 320
 321         return pm;
 322 }
 323
 324 static unsigned int
 325 lsi_parse_nqueue(const char *q_arg)
 326 {
 327         char *end = NULL;
 328         unsigned long n;
 329
 330         /* parse hexadecimal string */
 331         n = strtoul(q_arg, &end, 10);
 332         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 333                 return 0;
 334         if (n == 0)
 335                 return 0;
 336         if (n >= MAX_RX_QUEUE_PER_LCORE)
 337                 return 0;
 338
 339         return n;
 340 }
 341
 342 static int
 343 lsi_parse_timer_period(const char *q_arg)
 344 {
 345         char *end = NULL;
 346         int n;
 347
 348         /* parse number string */
 349         n = strtol(q_arg, &end, 10);
 350         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 351                 return -1;
 352         if (n >= MAX_TIMER_PERIOD)
 353                 return -1;
 354
 355         return n;
 356 }
 357
 358 /* Parse the argument given in the command line of the application */
 359 static int
 360 lsi_parse_args(int argc, char **argv)
 361 {
 362         int opt, ret;
 363         char **argvopt;
 364         int option_index;
 365         char *prgname = argv[0];
 366         static struct option lgopts[] = {
 367                 {NULL, 0, 0, 0}
 368         };
 369
 370         argvopt = argv;
 371
 372         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
 373                                   lgopts, &option_index)) != EOF) {
 374
 375                 switch (opt) {
 376                 /* portmask */
 377                 case 'p':
 378                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
 379                         if (lsi_enabled_port_mask == 0) {
 380                                 printf("invalid portmask\n");
 381                                 lsi_usage(prgname);
 382                                 return -1;
 383                         }
 384                         break;
 385
 386                 /* nqueue */
 387                 case 'q':
 388                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
 389                         if (lsi_rx_queue_per_lcore == 0) {
 390                                 printf("invalid queue number\n");
 391                                 lsi_usage(prgname);
 392                                 return -1;
 393                         }
 394                         break;
 395
 396                 /* timer period */
 397                 case 'T':
 398                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
 399                         if (timer_period < 0) {
 400                                 printf("invalid timer period\n");
 401                                 lsi_usage(prgname);
 402                                 return -1;
 403                         }
 404                         break;
 405
 406                 /* long options */
 407                 case 0:
 408                         lsi_usage(prgname);
 409                         return -1;
 410
 411                 default:
 412                         lsi_usage(prgname);
 413                         return -1;
 414                 }
 415         }
 416
 417         if (optind >= 0)
 418                 argv[optind-1] = prgname;
 419
 420         ret = optind-1;
 421         optind = 1; /* reset getopt lib */
 422         return ret;
 423 }
 424
 425 /**
 426  * It will be called as the callback for specified port after a LSI interrupt
 427  * has been fully handled. This callback needs to be implemented carefully as
 428  * it will be called in the interrupt host thread which is different from the
 429  * application main thread.
 430  *
 431  * @param port_id
 432  *  Port id.
 433  * @param type
 434  *  event type.
 435  * @param param
 436  *  Pointer to(address of) the parameters.
 437  *
 438  * @return
 439  *  int.
 440  */
 441 static int
 442 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
 443                     void *ret_param)
 444 {
 445         struct rte_eth_link link;
 446
 447         RTE_SET_USED(param);
 448         RTE_SET_USED(ret_param);
 449
 450         printf("\n\nIn registered callback...\n");
 451         printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
 452         rte_eth_link_get_nowait(port_id, &link);
 453         if (link.link_status) {
 454                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
 455                                 port_id, (unsigned)link.link_speed,
 456                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 457                                 ("full-duplex") : ("half-duplex"));
 458         } else
 459                 printf("Port %d Link Down\n\n", port_id);
 460
 461         return 0;
 462 }
 463
 464 /* Check the link status of all ports in up to 9s, and print them finally */
 465 static void
 466 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 467 {
 468 #define CHECK_INTERVAL 100 /* 100ms */
 469 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 470         uint8_t count, all_ports_up, print_flag = 0;
 471         uint16_t portid;
 472         struct rte_eth_link link;
 473
 474         printf("\nChecking link status");
 475         fflush(stdout);
 476         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 477                 all_ports_up = 1;
 478                 for (portid = 0; portid < port_num; portid++) {
 479                         if ((port_mask & (1 << portid)) == 0)
 480                                 continue;
 481                         memset(&link, 0, sizeof(link));
 482                         rte_eth_link_get_nowait(portid, &link);
 483                         /* print link status if flag set */
 484                         if (print_flag == 1) {
 485                                 if (link.link_status)
 486                                         printf(
 487                                         "Port%d Link Up. Speed %u Mbps - %s\n",
 488                                                 portid, link.link_speed,
 489                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 490                                         ("full-duplex") : ("half-duplex\n"));
 491                                 else
 492                                         printf("Port %d Link Down\n", portid);
 493                                 continue;
 494                         }
 495                         /* clear all_ports_up flag if any link down */
 496                         if (link.link_status == ETH_LINK_DOWN) {
 497                                 all_ports_up = 0;
 498                                 break;
 499                         }
 500                 }
 501                 /* after finally printing all link status, get out */
 502                 if (print_flag == 1)
 503                         break;
 504
 505                 if (all_ports_up == 0) {
 506                         printf(".");
 507                         fflush(stdout);
 508                         rte_delay_ms(CHECK_INTERVAL);
 509                 }
 510
 511                 /* set the print_flag if all ports up or timeout */
 512                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 513                         print_flag = 1;
 514                         printf("done\n");
 515                 }
 516         }
 517 }
 518
 519 int
 520 main(int argc, char **argv)
 521 {
 522         struct lcore_queue_conf *qconf;
 523         int ret;
 524         uint16_t nb_ports;
 525         uint16_t portid, portid_last = 0;
 526         unsigned lcore_id, rx_lcore_id;
 527         unsigned nb_ports_in_mask = 0;
 528
 529         /* init EAL */
 530         ret = rte_eal_init(argc, argv);
 531         if (ret < 0)
 532                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
 533         argc -= ret;
 534         argv += ret;
 535
 536         /* parse application arguments (after the EAL ones) */
 537         ret = lsi_parse_args(argc, argv);
 538         if (ret < 0)
 539                 rte_exit(EXIT_FAILURE, "Invalid arguments");
 540
 541         /* create the mbuf pool */
 542         lsi_pktmbuf_pool =
 543                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
 544                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 545         if (lsi_pktmbuf_pool == NULL)
 546                 rte_panic("Cannot init mbuf pool\n");
 547
 548         nb_ports = rte_eth_dev_count();
 549         if (nb_ports == 0)
 550                 rte_panic("No Ethernet port - bye\n");
 551
 552         /*
 553          * Each logical core is assigned a dedicated TX queue on each port.
 554          */
 555         for (portid = 0; portid < nb_ports; portid++) {
 556                 /* skip ports that are not enabled */
 557                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 558                         continue;
 559
 560                 /* save the destination port id */
 561                 if (nb_ports_in_mask % 2) {
 562                         lsi_dst_ports[portid] = portid_last;
 563                         lsi_dst_ports[portid_last] = portid;
 564                 }
 565                 else
 566                         portid_last = portid;
 567
 568                 nb_ports_in_mask++;
 569         }
 570         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
 571                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
 572                                 "but it should be even and at least 2\n",
 573                                 nb_ports_in_mask);
 574
 575         rx_lcore_id = 0;
 576         qconf = &lcore_queue_conf[rx_lcore_id];
 577
 578         /* Initialize the port/queue configuration of each logical core */
 579         for (portid = 0; portid < nb_ports; portid++) {
 580                 /* skip ports that are not enabled */
 581                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 582                         continue;
 583
 584                 /* get the lcore_id for this port */
 585                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 586                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
 587                        lsi_rx_queue_per_lcore) {
 588
 589                         rx_lcore_id++;
 590                         if (rx_lcore_id >= RTE_MAX_LCORE)
 591                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
 592                 }
 593                 if (qconf != &lcore_queue_conf[rx_lcore_id])
 594                         /* Assigned a new logical core in the loop above. */
 595                         qconf = &lcore_queue_conf[rx_lcore_id];
 596
 597                 qconf->rx_port_list[qconf->n_rx_port] = portid;
 598                 qconf->n_rx_port++;
 599                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
 600         }
 601
 602         /* Initialise each port */
 603         for (portid = 0; portid < nb_ports; portid++) {
 604                 /* skip ports that are not enabled */
 605                 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
 606                         printf("Skipping disabled port %u\n", (unsigned) portid);
 607                         continue;
 608                 }
 609                 /* init port */
 610                 printf("Initializing port %u... ", (unsigned) portid);
 611                 fflush(stdout);
 612                 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
 613                 if (ret < 0)
 614                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
 615                                   ret, (unsigned) portid);
 616
 617                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 618                                                        &nb_txd);
 619                 if (ret < 0)
 620                         rte_exit(EXIT_FAILURE,
 621                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
 622                                  ret, (unsigned) portid);
 623
 624                 /* register lsi interrupt callback, need to be after
 625                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
 626                  * lsc interrupt will be present, and below callback to
 627                  * be registered will never be called.
 628                  */
 629                 rte_eth_dev_callback_register(portid,
 630                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 631
 632                 rte_eth_macaddr_get(portid,
 633                                     &lsi_ports_eth_addr[portid]);
 634
 635                 /* init one RX queue */
 636                 fflush(stdout);
 637                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 638                                              rte_eth_dev_socket_id(portid),
 639                                              NULL,
 640                                              lsi_pktmbuf_pool);
 641                 if (ret < 0)
 642                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
 643                                   ret, (unsigned) portid);
 644
 645                 /* init one TX queue logical core on each port */
 646                 fflush(stdout);
 647                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 648                                 rte_eth_dev_socket_id(portid),
 649                                 NULL);
 650                 if (ret < 0)
 651                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
 652                                   ret, (unsigned) portid);
 653
 654                 /* Initialize TX buffers */
 655                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
 656                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
 657                                 rte_eth_dev_socket_id(portid));
 658                 if (tx_buffer[portid] == NULL)
 659                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
 660                                         (unsigned) portid);
 661
 662                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
 663
 664                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
 665                                 rte_eth_tx_buffer_count_callback,
 666                                 &port_statistics[portid].dropped);
 667                 if (ret < 0)
 668                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
 669                                         "tx buffer on port %u\n", (unsigned) portid);
 670
 671                 /* Start device */
 672                 ret = rte_eth_dev_start(portid);
 673                 if (ret < 0)
 674                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
 675                                   ret, (unsigned) portid);
 676                 printf("done:\n");
 677
 678                 rte_eth_promiscuous_enable(portid);
 679
 680                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 681                                 (unsigned) portid,
 682                                 lsi_ports_eth_addr[portid].addr_bytes[0],
 683                                 lsi_ports_eth_addr[portid].addr_bytes[1],
 684                                 lsi_ports_eth_addr[portid].addr_bytes[2],
 685                                 lsi_ports_eth_addr[portid].addr_bytes[3],
 686                                 lsi_ports_eth_addr[portid].addr_bytes[4],
 687                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
 688
 689                 /* initialize port stats */
 690                 memset(&port_statistics, 0, sizeof(port_statistics));
 691         }
 692
 693         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
 694
 695         /* launch per-lcore init on every lcore */
 696         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
 697         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 698                 if (rte_eal_wait_lcore(lcore_id) < 0)
 699                         return -1;
 700         }
 701
 702         return 0;
 703 }