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 1024
  51 #define RTE_TEST_TX_DESC_DEFAULT 1024
  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 rte_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 struct rte_eth_conf port_conf = {
  80         .rxmode = {
  81                 .split_hdr_size = 0,
  82         },
  83         .txmode = {
  84                 .mq_mode = ETH_MQ_TX_NONE,
  85         },
  86         .intr_conf = {
  87                 .lsc = 1, /**< lsc interrupt feature enabled */
  88         },
  89 };
  90
  91 struct rte_mempool * lsi_pktmbuf_pool = NULL;
  92
  93 /* Per-port statistics struct */
  94 struct lsi_port_statistics {
  95         uint64_t tx;
  96         uint64_t rx;
  97         uint64_t dropped;
  98 } __rte_cache_aligned;
  99 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 100
 101 /* A tsc-based timer responsible for triggering statistics printout */
 102 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 103 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
 104 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
 105
 106 /* Print out statistics on packets dropped */
 107 static void
 108 print_stats(void)
 109 {
 110         struct rte_eth_link link;
 111         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 112         uint16_t portid;
 113
 114         total_packets_dropped = 0;
 115         total_packets_tx = 0;
 116         total_packets_rx = 0;
 117
 118         const char clr[] = { 27, '[', '2', 'J', '\0' };
 119         const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
 120
 121                 /* Clear screen and move to top left */
 122         printf("%s%s", clr, topLeft);
 123
 124         printf("\nPort statistics ====================================");
 125
 126         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 127                 /* skip ports that are not enabled */
 128                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 129                         continue;
 130
 131                 memset(&link, 0, sizeof(link));
 132                 rte_eth_link_get_nowait(portid, &link);
 133                 printf("\nStatistics for port %u ------------------------------"
 134                            "\nLink status: %25s"
 135                            "\nLink speed: %26u"
 136                            "\nLink duplex: %25s"
 137                            "\nPackets sent: %24"PRIu64
 138                            "\nPackets received: %20"PRIu64
 139                            "\nPackets dropped: %21"PRIu64,
 140                            portid,
 141                            (link.link_status ? "Link up" : "Link down"),
 142                            (unsigned)link.link_speed,
 143                            (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
 144                                         "full-duplex" : "half-duplex"),
 145                            port_statistics[portid].tx,
 146                            port_statistics[portid].rx,
 147                            port_statistics[portid].dropped);
 148
 149                 total_packets_dropped += port_statistics[portid].dropped;
 150                 total_packets_tx += port_statistics[portid].tx;
 151                 total_packets_rx += port_statistics[portid].rx;
 152         }
 153         printf("\nAggregate statistics ==============================="
 154                    "\nTotal packets sent: %18"PRIu64
 155                    "\nTotal packets received: %14"PRIu64
 156                    "\nTotal packets dropped: %15"PRIu64,
 157                    total_packets_tx,
 158                    total_packets_rx,
 159                    total_packets_dropped);
 160         printf("\n====================================================\n");
 161 }
 162
 163 static void
 164 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 165 {
 166         struct rte_ether_hdr *eth;
 167         void *tmp;
 168         unsigned dst_port = lsi_dst_ports[portid];
 169         int sent;
 170         struct rte_eth_dev_tx_buffer *buffer;
 171
 172         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 173
 174         /* 02:00:00:00:00:xx */
 175         tmp = &eth->d_addr.addr_bytes[0];
 176         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 177
 178         /* src addr */
 179         ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
 180
 181         buffer = tx_buffer[dst_port];
 182         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
 183         if (sent)
 184                 port_statistics[dst_port].tx += sent;
 185 }
 186
 187 /* main processing loop */
 188 static void
 189 lsi_main_loop(void)
 190 {
 191         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 192         struct rte_mbuf *m;
 193         unsigned lcore_id;
 194         unsigned sent;
 195         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
 196         unsigned i, j, portid, nb_rx;
 197         struct lcore_queue_conf *qconf;
 198         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
 199                         BURST_TX_DRAIN_US;
 200         struct rte_eth_dev_tx_buffer *buffer;
 201
 202         prev_tsc = 0;
 203         timer_tsc = 0;
 204
 205         lcore_id = rte_lcore_id();
 206         qconf = &lcore_queue_conf[lcore_id];
 207
 208         if (qconf->n_rx_port == 0) {
 209                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
 210                 return;
 211         }
 212
 213         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
 214
 215         for (i = 0; i < qconf->n_rx_port; i++) {
 216
 217                 portid = qconf->rx_port_list[i];
 218                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
 219                         portid);
 220         }
 221
 222         while (1) {
 223
 224                 cur_tsc = rte_rdtsc();
 225
 226                 /*
 227                  * TX burst queue drain
 228                  */
 229                 diff_tsc = cur_tsc - prev_tsc;
 230                 if (unlikely(diff_tsc > drain_tsc)) {
 231
 232                         for (i = 0; i < qconf->n_rx_port; i++) {
 233
 234                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
 235                                 buffer = tx_buffer[portid];
 236
 237                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
 238                                 if (sent)
 239                                         port_statistics[portid].tx += sent;
 240
 241                         }
 242
 243                         /* if timer is enabled */
 244                         if (timer_period > 0) {
 245
 246                                 /* advance the timer */
 247                                 timer_tsc += diff_tsc;
 248
 249                                 /* if timer has reached its timeout */
 250                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
 251
 252                                         /* do this only on master core */
 253                                         if (lcore_id == rte_get_master_lcore()) {
 254                                                 print_stats();
 255                                                 /* reset the timer */
 256                                                 timer_tsc = 0;
 257                                         }
 258                                 }
 259                         }
 260
 261                         prev_tsc = cur_tsc;
 262                 }
 263
 264                 /*
 265                  * Read packet from RX queues
 266                  */
 267                 for (i = 0; i < qconf->n_rx_port; i++) {
 268
 269                         portid = qconf->rx_port_list[i];
 270                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 271                                                  pkts_burst, MAX_PKT_BURST);
 272
 273                         port_statistics[portid].rx += nb_rx;
 274
 275                         for (j = 0; j < nb_rx; j++) {
 276                                 m = pkts_burst[j];
 277                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 278                                 lsi_simple_forward(m, portid);
 279                         }
 280                 }
 281         }
 282 }
 283
 284 static int
 285 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
 286 {
 287         lsi_main_loop();
 288         return 0;
 289 }
 290
 291 /* display usage */
 292 static void
 293 lsi_usage(const char *prgname)
 294 {
 295         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
 296                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 297                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 298                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
 299                         prgname);
 300 }
 301
 302 static int
 303 lsi_parse_portmask(const char *portmask)
 304 {
 305         char *end = NULL;
 306         unsigned long pm;
 307
 308         /* parse hexadecimal string */
 309         pm = strtoul(portmask, &end, 16);
 310         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 311                 return -1;
 312
 313         if (pm == 0)
 314                 return -1;
 315
 316         return pm;
 317 }
 318
 319 static unsigned int
 320 lsi_parse_nqueue(const char *q_arg)
 321 {
 322         char *end = NULL;
 323         unsigned long n;
 324
 325         /* parse hexadecimal string */
 326         n = strtoul(q_arg, &end, 10);
 327         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 328                 return 0;
 329         if (n == 0)
 330                 return 0;
 331         if (n >= MAX_RX_QUEUE_PER_LCORE)
 332                 return 0;
 333
 334         return n;
 335 }
 336
 337 static int
 338 lsi_parse_timer_period(const char *q_arg)
 339 {
 340         char *end = NULL;
 341         int n;
 342
 343         /* parse number string */
 344         n = strtol(q_arg, &end, 10);
 345         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 346                 return -1;
 347         if (n >= MAX_TIMER_PERIOD)
 348                 return -1;
 349
 350         return n;
 351 }
 352
 353 /* Parse the argument given in the command line of the application */
 354 static int
 355 lsi_parse_args(int argc, char **argv)
 356 {
 357         int opt, ret;
 358         char **argvopt;
 359         int option_index;
 360         char *prgname = argv[0];
 361         static struct option lgopts[] = {
 362                 {NULL, 0, 0, 0}
 363         };
 364
 365         argvopt = argv;
 366
 367         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
 368                                   lgopts, &option_index)) != EOF) {
 369
 370                 switch (opt) {
 371                 /* portmask */
 372                 case 'p':
 373                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
 374                         if (lsi_enabled_port_mask == 0) {
 375                                 printf("invalid portmask\n");
 376                                 lsi_usage(prgname);
 377                                 return -1;
 378                         }
 379                         break;
 380
 381                 /* nqueue */
 382                 case 'q':
 383                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
 384                         if (lsi_rx_queue_per_lcore == 0) {
 385                                 printf("invalid queue number\n");
 386                                 lsi_usage(prgname);
 387                                 return -1;
 388                         }
 389                         break;
 390
 391                 /* timer period */
 392                 case 'T':
 393                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
 394                         if (timer_period < 0) {
 395                                 printf("invalid timer period\n");
 396                                 lsi_usage(prgname);
 397                                 return -1;
 398                         }
 399                         break;
 400
 401                 /* long options */
 402                 case 0:
 403                         lsi_usage(prgname);
 404                         return -1;
 405
 406                 default:
 407                         lsi_usage(prgname);
 408                         return -1;
 409                 }
 410         }
 411
 412         if (optind >= 0)
 413                 argv[optind-1] = prgname;
 414
 415         ret = optind-1;
 416         optind = 1; /* reset getopt lib */
 417         return ret;
 418 }
 419
 420 /**
 421  * It will be called as the callback for specified port after a LSI interrupt
 422  * has been fully handled. This callback needs to be implemented carefully as
 423  * it will be called in the interrupt host thread which is different from the
 424  * application main thread.
 425  *
 426  * @param port_id
 427  *  Port id.
 428  * @param type
 429  *  event type.
 430  * @param param
 431  *  Pointer to(address of) the parameters.
 432  *
 433  * @return
 434  *  int.
 435  */
 436 static int
 437 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
 438                     void *ret_param)
 439 {
 440         struct rte_eth_link link;
 441
 442         RTE_SET_USED(param);
 443         RTE_SET_USED(ret_param);
 444
 445         printf("\n\nIn registered callback...\n");
 446         printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
 447         rte_eth_link_get_nowait(port_id, &link);
 448         if (link.link_status) {
 449                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
 450                                 port_id, (unsigned)link.link_speed,
 451                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 452                                 ("full-duplex") : ("half-duplex"));
 453         } else
 454                 printf("Port %d Link Down\n\n", port_id);
 455
 456         return 0;
 457 }
 458
 459 /* Check the link status of all ports in up to 9s, and print them finally */
 460 static void
 461 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 462 {
 463 #define CHECK_INTERVAL 100 /* 100ms */
 464 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 465         uint8_t count, all_ports_up, print_flag = 0;
 466         uint16_t portid;
 467         struct rte_eth_link link;
 468
 469         printf("\nChecking link status");
 470         fflush(stdout);
 471         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 472                 all_ports_up = 1;
 473                 for (portid = 0; portid < port_num; portid++) {
 474                         if ((port_mask & (1 << portid)) == 0)
 475                                 continue;
 476                         memset(&link, 0, sizeof(link));
 477                         rte_eth_link_get_nowait(portid, &link);
 478                         /* print link status if flag set */
 479                         if (print_flag == 1) {
 480                                 if (link.link_status)
 481                                         printf(
 482                                         "Port%d Link Up. Speed %u Mbps - %s\n",
 483                                                 portid, link.link_speed,
 484                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 485                                         ("full-duplex") : ("half-duplex\n"));
 486                                 else
 487                                         printf("Port %d Link Down\n", portid);
 488                                 continue;
 489                         }
 490                         /* clear all_ports_up flag if any link down */
 491                         if (link.link_status == ETH_LINK_DOWN) {
 492                                 all_ports_up = 0;
 493                                 break;
 494                         }
 495                 }
 496                 /* after finally printing all link status, get out */
 497                 if (print_flag == 1)
 498                         break;
 499
 500                 if (all_ports_up == 0) {
 501                         printf(".");
 502                         fflush(stdout);
 503                         rte_delay_ms(CHECK_INTERVAL);
 504                 }
 505
 506                 /* set the print_flag if all ports up or timeout */
 507                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 508                         print_flag = 1;
 509                         printf("done\n");
 510                 }
 511         }
 512 }
 513
 514 int
 515 main(int argc, char **argv)
 516 {
 517         struct lcore_queue_conf *qconf;
 518         int ret;
 519         uint16_t nb_ports;
 520         uint16_t portid, portid_last = 0;
 521         unsigned lcore_id, rx_lcore_id;
 522         unsigned nb_ports_in_mask = 0;
 523
 524         /* init EAL */
 525         ret = rte_eal_init(argc, argv);
 526         if (ret < 0)
 527                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
 528         argc -= ret;
 529         argv += ret;
 530
 531         /* parse application arguments (after the EAL ones) */
 532         ret = lsi_parse_args(argc, argv);
 533         if (ret < 0)
 534                 rte_exit(EXIT_FAILURE, "Invalid arguments");
 535
 536         /* create the mbuf pool */
 537         lsi_pktmbuf_pool =
 538                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
 539                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 540         if (lsi_pktmbuf_pool == NULL)
 541                 rte_panic("Cannot init mbuf pool\n");
 542
 543         nb_ports = rte_eth_dev_count_avail();
 544         if (nb_ports == 0)
 545                 rte_panic("No Ethernet port - bye\n");
 546
 547         /*
 548          * Each logical core is assigned a dedicated TX queue on each port.
 549          */
 550         for (portid = 0; portid < nb_ports; portid++) {
 551                 /* skip ports that are not enabled */
 552                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 553                         continue;
 554
 555                 /* save the destination port id */
 556                 if (nb_ports_in_mask % 2) {
 557                         lsi_dst_ports[portid] = portid_last;
 558                         lsi_dst_ports[portid_last] = portid;
 559                 }
 560                 else
 561                         portid_last = portid;
 562
 563                 nb_ports_in_mask++;
 564         }
 565         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
 566                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
 567                                 "but it should be even and at least 2\n",
 568                                 nb_ports_in_mask);
 569
 570         rx_lcore_id = 0;
 571         qconf = &lcore_queue_conf[rx_lcore_id];
 572
 573         /* Initialize the port/queue configuration of each logical core */
 574         for (portid = 0; portid < nb_ports; portid++) {
 575                 /* skip ports that are not enabled */
 576                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 577                         continue;
 578
 579                 /* get the lcore_id for this port */
 580                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 581                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
 582                        lsi_rx_queue_per_lcore) {
 583
 584                         rx_lcore_id++;
 585                         if (rx_lcore_id >= RTE_MAX_LCORE)
 586                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
 587                 }
 588                 if (qconf != &lcore_queue_conf[rx_lcore_id])
 589                         /* Assigned a new logical core in the loop above. */
 590                         qconf = &lcore_queue_conf[rx_lcore_id];
 591
 592                 qconf->rx_port_list[qconf->n_rx_port] = portid;
 593                 qconf->n_rx_port++;
 594                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
 595         }
 596
 597         /* Initialise each port */
 598         for (portid = 0; portid < nb_ports; portid++) {
 599                 struct rte_eth_rxconf rxq_conf;
 600                 struct rte_eth_txconf txq_conf;
 601                 struct rte_eth_conf local_port_conf = port_conf;
 602                 struct rte_eth_dev_info dev_info;
 603
 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                 rte_eth_dev_info_get(portid, &dev_info);
 613                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 614                         local_port_conf.txmode.offloads |=
 615                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 616                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 617                 if (ret < 0)
 618                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
 619                                   ret, (unsigned) portid);
 620
 621                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 622                                                        &nb_txd);
 623                 if (ret < 0)
 624                         rte_exit(EXIT_FAILURE,
 625                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
 626                                  ret, (unsigned) portid);
 627
 628                 /* register lsi interrupt callback, need to be after
 629                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
 630                  * lsc interrupt will be present, and below callback to
 631                  * be registered will never be called.
 632                  */
 633                 rte_eth_dev_callback_register(portid,
 634                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 635
 636                 rte_eth_macaddr_get(portid,
 637                                     &lsi_ports_eth_addr[portid]);
 638
 639                 /* init one RX queue */
 640                 fflush(stdout);
 641                 rxq_conf = dev_info.default_rxconf;
 642                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
 643                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 644                                              rte_eth_dev_socket_id(portid),
 645                                              &rxq_conf,
 646                                              lsi_pktmbuf_pool);
 647                 if (ret < 0)
 648                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
 649                                   ret, (unsigned) portid);
 650
 651                 /* init one TX queue logical core on each port */
 652                 fflush(stdout);
 653                 txq_conf = dev_info.default_txconf;
 654                 txq_conf.offloads = local_port_conf.txmode.offloads;
 655                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 656                                 rte_eth_dev_socket_id(portid),
 657                                 &txq_conf);
 658                 if (ret < 0)
 659                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
 660                                   ret, (unsigned) portid);
 661
 662                 /* Initialize TX buffers */
 663                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
 664                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
 665                                 rte_eth_dev_socket_id(portid));
 666                 if (tx_buffer[portid] == NULL)
 667                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
 668                                         (unsigned) portid);
 669
 670                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
 671
 672                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
 673                                 rte_eth_tx_buffer_count_callback,
 674                                 &port_statistics[portid].dropped);
 675                 if (ret < 0)
 676                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
 677                                         "tx buffer on port %u\n", (unsigned) portid);
 678
 679                 /* Start device */
 680                 ret = rte_eth_dev_start(portid);
 681                 if (ret < 0)
 682                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
 683                                   ret, (unsigned) portid);
 684                 printf("done:\n");
 685
 686                 rte_eth_promiscuous_enable(portid);
 687
 688                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 689                                 (unsigned) portid,
 690                                 lsi_ports_eth_addr[portid].addr_bytes[0],
 691                                 lsi_ports_eth_addr[portid].addr_bytes[1],
 692                                 lsi_ports_eth_addr[portid].addr_bytes[2],
 693                                 lsi_ports_eth_addr[portid].addr_bytes[3],
 694                                 lsi_ports_eth_addr[portid].addr_bytes[4],
 695                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
 696
 697                 /* initialize port stats */
 698                 memset(&port_statistics, 0, sizeof(port_statistics));
 699         }
 700
 701         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
 702
 703         /* launch per-lcore init on every lcore */
 704         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
 705         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 706                 if (rte_eal_wait_lcore(lcore_id) < 0)
 707                         return -1;
 708         }
 709
 710         return 0;
 711 }