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         int link_get_err;
 121
 122                 /* Clear screen and move to top left */
 123         printf("%s%s", clr, topLeft);
 124
 125         printf("\nPort statistics ====================================");
 126
 127         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 128                 /* skip ports that are not enabled */
 129                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 130                         continue;
 131
 132                 memset(&link, 0, sizeof(link));
 133                 link_get_err = rte_eth_link_get_nowait(portid, &link);
 134                 printf("\nStatistics for port %u ------------------------------"
 135                            "\nLink status: %25s"
 136                            "\nLink speed: %26u"
 137                            "\nLink duplex: %25s"
 138                            "\nPackets sent: %24"PRIu64
 139                            "\nPackets received: %20"PRIu64
 140                            "\nPackets dropped: %21"PRIu64,
 141                            portid,
 142                            link_get_err < 0 ? "Link get failed" :
 143                            (link.link_status ? "Link up" : "Link down"),
 144                            link_get_err < 0 ? 0 :
 145                                         (unsigned int)link.link_speed,
 146                            link_get_err < 0 ? "Link get failed" :
 147                            (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
 148                                         "full-duplex" : "half-duplex"),
 149                            port_statistics[portid].tx,
 150                            port_statistics[portid].rx,
 151                            port_statistics[portid].dropped);
 152
 153                 total_packets_dropped += port_statistics[portid].dropped;
 154                 total_packets_tx += port_statistics[portid].tx;
 155                 total_packets_rx += port_statistics[portid].rx;
 156         }
 157         printf("\nAggregate statistics ==============================="
 158                    "\nTotal packets sent: %18"PRIu64
 159                    "\nTotal packets received: %14"PRIu64
 160                    "\nTotal packets dropped: %15"PRIu64,
 161                    total_packets_tx,
 162                    total_packets_rx,
 163                    total_packets_dropped);
 164         printf("\n====================================================\n");
 165
 166         fflush(stdout);
 167 }
 168
 169 static void
 170 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 171 {
 172         struct rte_ether_hdr *eth;
 173         void *tmp;
 174         unsigned dst_port = lsi_dst_ports[portid];
 175         int sent;
 176         struct rte_eth_dev_tx_buffer *buffer;
 177
 178         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 179
 180         /* 02:00:00:00:00:xx */
 181         tmp = &eth->d_addr.addr_bytes[0];
 182         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 183
 184         /* src addr */
 185         rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
 186
 187         buffer = tx_buffer[dst_port];
 188         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
 189         if (sent)
 190                 port_statistics[dst_port].tx += sent;
 191 }
 192
 193 /* main processing loop */
 194 static void
 195 lsi_main_loop(void)
 196 {
 197         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 198         struct rte_mbuf *m;
 199         unsigned lcore_id;
 200         unsigned sent;
 201         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
 202         unsigned i, j, portid, nb_rx;
 203         struct lcore_queue_conf *qconf;
 204         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
 205                         BURST_TX_DRAIN_US;
 206         struct rte_eth_dev_tx_buffer *buffer;
 207
 208         prev_tsc = 0;
 209         timer_tsc = 0;
 210
 211         lcore_id = rte_lcore_id();
 212         qconf = &lcore_queue_conf[lcore_id];
 213
 214         if (qconf->n_rx_port == 0) {
 215                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
 216                 return;
 217         }
 218
 219         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
 220
 221         for (i = 0; i < qconf->n_rx_port; i++) {
 222
 223                 portid = qconf->rx_port_list[i];
 224                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
 225                         portid);
 226         }
 227
 228         while (1) {
 229
 230                 cur_tsc = rte_rdtsc();
 231
 232                 /*
 233                  * TX burst queue drain
 234                  */
 235                 diff_tsc = cur_tsc - prev_tsc;
 236                 if (unlikely(diff_tsc > drain_tsc)) {
 237
 238                         for (i = 0; i < qconf->n_rx_port; i++) {
 239
 240                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
 241                                 buffer = tx_buffer[portid];
 242
 243                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
 244                                 if (sent)
 245                                         port_statistics[portid].tx += sent;
 246
 247                         }
 248
 249                         /* if timer is enabled */
 250                         if (timer_period > 0) {
 251
 252                                 /* advance the timer */
 253                                 timer_tsc += diff_tsc;
 254
 255                                 /* if timer has reached its timeout */
 256                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
 257
 258                                         /* do this only on master core */
 259                                         if (lcore_id == rte_get_master_lcore()) {
 260                                                 print_stats();
 261                                                 /* reset the timer */
 262                                                 timer_tsc = 0;
 263                                         }
 264                                 }
 265                         }
 266
 267                         prev_tsc = cur_tsc;
 268                 }
 269
 270                 /*
 271                  * Read packet from RX queues
 272                  */
 273                 for (i = 0; i < qconf->n_rx_port; i++) {
 274
 275                         portid = qconf->rx_port_list[i];
 276                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 277                                                  pkts_burst, MAX_PKT_BURST);
 278
 279                         port_statistics[portid].rx += nb_rx;
 280
 281                         for (j = 0; j < nb_rx; j++) {
 282                                 m = pkts_burst[j];
 283                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 284                                 lsi_simple_forward(m, portid);
 285                         }
 286                 }
 287         }
 288 }
 289
 290 static int
 291 lsi_launch_one_lcore(__rte_unused void *dummy)
 292 {
 293         lsi_main_loop();
 294         return 0;
 295 }
 296
 297 /* display usage */
 298 static void
 299 lsi_usage(const char *prgname)
 300 {
 301         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
 302                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 303                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 304                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
 305                         prgname);
 306 }
 307
 308 static int
 309 lsi_parse_portmask(const char *portmask)
 310 {
 311         char *end = NULL;
 312         unsigned long pm;
 313
 314         /* parse hexadecimal string */
 315         pm = strtoul(portmask, &end, 16);
 316         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 317                 return 0;
 318
 319         return pm;
 320 }
 321
 322 static unsigned int
 323 lsi_parse_nqueue(const char *q_arg)
 324 {
 325         char *end = NULL;
 326         unsigned long n;
 327
 328         /* parse hexadecimal string */
 329         n = strtoul(q_arg, &end, 10);
 330         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 331                 return 0;
 332         if (n == 0)
 333                 return 0;
 334         if (n >= MAX_RX_QUEUE_PER_LCORE)
 335                 return 0;
 336
 337         return n;
 338 }
 339
 340 static int
 341 lsi_parse_timer_period(const char *q_arg)
 342 {
 343         char *end = NULL;
 344         int n;
 345
 346         /* parse number string */
 347         n = strtol(q_arg, &end, 10);
 348         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 349                 return -1;
 350         if (n >= MAX_TIMER_PERIOD)
 351                 return -1;
 352
 353         return n;
 354 }
 355
 356 /* Parse the argument given in the command line of the application */
 357 static int
 358 lsi_parse_args(int argc, char **argv)
 359 {
 360         int opt, ret;
 361         char **argvopt;
 362         int option_index;
 363         char *prgname = argv[0];
 364         static struct option lgopts[] = {
 365                 {NULL, 0, 0, 0}
 366         };
 367
 368         argvopt = argv;
 369
 370         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
 371                                   lgopts, &option_index)) != EOF) {
 372
 373                 switch (opt) {
 374                 /* portmask */
 375                 case 'p':
 376                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
 377                         if (lsi_enabled_port_mask == 0) {
 378                                 printf("invalid portmask\n");
 379                                 lsi_usage(prgname);
 380                                 return -1;
 381                         }
 382                         break;
 383
 384                 /* nqueue */
 385                 case 'q':
 386                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
 387                         if (lsi_rx_queue_per_lcore == 0) {
 388                                 printf("invalid queue number\n");
 389                                 lsi_usage(prgname);
 390                                 return -1;
 391                         }
 392                         break;
 393
 394                 /* timer period */
 395                 case 'T':
 396                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
 397                         if (timer_period < 0) {
 398                                 printf("invalid timer period\n");
 399                                 lsi_usage(prgname);
 400                                 return -1;
 401                         }
 402                         break;
 403
 404                 /* long options */
 405                 case 0:
 406                         lsi_usage(prgname);
 407                         return -1;
 408
 409                 default:
 410                         lsi_usage(prgname);
 411                         return -1;
 412                 }
 413         }
 414
 415         if (optind >= 0)
 416                 argv[optind-1] = prgname;
 417
 418         ret = optind-1;
 419         optind = 1; /* reset getopt lib */
 420         return ret;
 421 }
 422
 423 /**
 424  * It will be called as the callback for specified port after a LSI interrupt
 425  * has been fully handled. This callback needs to be implemented carefully as
 426  * it will be called in the interrupt host thread which is different from the
 427  * application main thread.
 428  *
 429  * @param port_id
 430  *  Port id.
 431  * @param type
 432  *  event type.
 433  * @param param
 434  *  Pointer to(address of) the parameters.
 435  *
 436  * @return
 437  *  int.
 438  */
 439 static int
 440 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
 441                     void *ret_param)
 442 {
 443         struct rte_eth_link link;
 444         int ret;
 445
 446         RTE_SET_USED(param);
 447         RTE_SET_USED(ret_param);
 448
 449         printf("\n\nIn registered callback...\n");
 450         printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
 451         ret = rte_eth_link_get_nowait(port_id, &link);
 452         if (ret < 0) {
 453                 printf("Failed link get on port %d: %s\n",
 454                        port_id, rte_strerror(-ret));
 455                 return ret;
 456         }
 457         if (link.link_status) {
 458                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
 459                                 port_id, (unsigned)link.link_speed,
 460                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 461                                 ("full-duplex") : ("half-duplex"));
 462         } else
 463                 printf("Port %d Link Down\n\n", port_id);
 464
 465         return 0;
 466 }
 467
 468 /* Check the link status of all ports in up to 9s, and print them finally */
 469 static void
 470 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 471 {
 472 #define CHECK_INTERVAL 100 /* 100ms */
 473 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 474         uint8_t count, all_ports_up, print_flag = 0;
 475         uint16_t portid;
 476         struct rte_eth_link link;
 477         int ret;
 478
 479         printf("\nChecking link status");
 480         fflush(stdout);
 481         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 482                 all_ports_up = 1;
 483                 for (portid = 0; portid < port_num; portid++) {
 484                         if ((port_mask & (1 << portid)) == 0)
 485                                 continue;
 486                         memset(&link, 0, sizeof(link));
 487                         ret = rte_eth_link_get_nowait(portid, &link);
 488                         if (ret < 0) {
 489                                 all_ports_up = 0;
 490                                 if (print_flag == 1)
 491                                         printf("Port %u link get failed: %s\n",
 492                                                 portid, rte_strerror(-ret));
 493                                 continue;
 494                         }
 495                         /* print link status if flag set */
 496                         if (print_flag == 1) {
 497                                 if (link.link_status)
 498                                         printf(
 499                                         "Port%d Link Up. Speed %u Mbps - %s\n",
 500                                                 portid, link.link_speed,
 501                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 502                                         ("full-duplex") : ("half-duplex"));
 503                                 else
 504                                         printf("Port %d Link Down\n", portid);
 505                                 continue;
 506                         }
 507                         /* clear all_ports_up flag if any link down */
 508                         if (link.link_status == ETH_LINK_DOWN) {
 509                                 all_ports_up = 0;
 510                                 break;
 511                         }
 512                 }
 513                 /* after finally printing all link status, get out */
 514                 if (print_flag == 1)
 515                         break;
 516
 517                 if (all_ports_up == 0) {
 518                         printf(".");
 519                         fflush(stdout);
 520                         rte_delay_ms(CHECK_INTERVAL);
 521                 }
 522
 523                 /* set the print_flag if all ports up or timeout */
 524                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 525                         print_flag = 1;
 526                         printf("done\n");
 527                 }
 528         }
 529 }
 530
 531 int
 532 main(int argc, char **argv)
 533 {
 534         struct lcore_queue_conf *qconf;
 535         int ret;
 536         uint16_t nb_ports;
 537         uint16_t portid, portid_last = 0;
 538         unsigned lcore_id, rx_lcore_id;
 539         unsigned nb_ports_in_mask = 0;
 540
 541         /* init EAL */
 542         ret = rte_eal_init(argc, argv);
 543         if (ret < 0)
 544                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
 545         argc -= ret;
 546         argv += ret;
 547
 548         /* parse application arguments (after the EAL ones) */
 549         ret = lsi_parse_args(argc, argv);
 550         if (ret < 0)
 551                 rte_exit(EXIT_FAILURE, "Invalid arguments");
 552
 553         /* create the mbuf pool */
 554         lsi_pktmbuf_pool =
 555                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
 556                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 557         if (lsi_pktmbuf_pool == NULL)
 558                 rte_panic("Cannot init mbuf pool\n");
 559
 560         nb_ports = rte_eth_dev_count_avail();
 561         if (nb_ports == 0)
 562                 rte_panic("No Ethernet port - bye\n");
 563
 564         /*
 565          * Each logical core is assigned a dedicated TX queue on each port.
 566          */
 567         for (portid = 0; portid < nb_ports; portid++) {
 568                 /* skip ports that are not enabled */
 569                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 570                         continue;
 571
 572                 /* save the destination port id */
 573                 if (nb_ports_in_mask % 2) {
 574                         lsi_dst_ports[portid] = portid_last;
 575                         lsi_dst_ports[portid_last] = portid;
 576                 }
 577                 else
 578                         portid_last = portid;
 579
 580                 nb_ports_in_mask++;
 581         }
 582         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
 583                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
 584                                 "but it should be even and at least 2\n",
 585                                 nb_ports_in_mask);
 586
 587         rx_lcore_id = 0;
 588         qconf = &lcore_queue_conf[rx_lcore_id];
 589
 590         /* Initialize the port/queue configuration of each logical core */
 591         for (portid = 0; portid < nb_ports; portid++) {
 592                 /* skip ports that are not enabled */
 593                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 594                         continue;
 595
 596                 /* get the lcore_id for this port */
 597                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 598                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
 599                        lsi_rx_queue_per_lcore) {
 600
 601                         rx_lcore_id++;
 602                         if (rx_lcore_id >= RTE_MAX_LCORE)
 603                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
 604                 }
 605                 if (qconf != &lcore_queue_conf[rx_lcore_id])
 606                         /* Assigned a new logical core in the loop above. */
 607                         qconf = &lcore_queue_conf[rx_lcore_id];
 608
 609                 qconf->rx_port_list[qconf->n_rx_port] = portid;
 610                 qconf->n_rx_port++;
 611                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
 612         }
 613
 614         /* Initialise each port */
 615         for (portid = 0; portid < nb_ports; portid++) {
 616                 struct rte_eth_rxconf rxq_conf;
 617                 struct rte_eth_txconf txq_conf;
 618                 struct rte_eth_conf local_port_conf = port_conf;
 619                 struct rte_eth_dev_info dev_info;
 620
 621                 /* skip ports that are not enabled */
 622                 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
 623                         printf("Skipping disabled port %u\n", (unsigned) portid);
 624                         continue;
 625                 }
 626                 /* init port */
 627                 printf("Initializing port %u... ", (unsigned) portid);
 628                 fflush(stdout);
 629
 630                 ret = rte_eth_dev_info_get(portid, &dev_info);
 631                 if (ret != 0)
 632                         rte_exit(EXIT_FAILURE,
 633                                 "Error during getting device (port %u) info: %s\n",
 634                                 portid, strerror(-ret));
 635
 636                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 637                         local_port_conf.txmode.offloads |=
 638                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 639                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 640                 if (ret < 0)
 641                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
 642                                   ret, (unsigned) portid);
 643
 644                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 645                                                        &nb_txd);
 646                 if (ret < 0)
 647                         rte_exit(EXIT_FAILURE,
 648                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
 649                                  ret, (unsigned) portid);
 650
 651                 /* register lsi interrupt callback, need to be after
 652                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
 653                  * lsc interrupt will be present, and below callback to
 654                  * be registered will never be called.
 655                  */
 656                 rte_eth_dev_callback_register(portid,
 657                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 658
 659                 ret = rte_eth_macaddr_get(portid,
 660                                     &lsi_ports_eth_addr[portid]);
 661                 if (ret < 0)
 662                         rte_exit(EXIT_FAILURE,
 663                                  "rte_eth_macaddr_get: err=%d, port=%u\n",
 664                                  ret, (unsigned int)portid);
 665
 666                 /* init one RX queue */
 667                 fflush(stdout);
 668                 rxq_conf = dev_info.default_rxconf;
 669                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
 670                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 671                                              rte_eth_dev_socket_id(portid),
 672                                              &rxq_conf,
 673                                              lsi_pktmbuf_pool);
 674                 if (ret < 0)
 675                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
 676                                   ret, (unsigned) portid);
 677
 678                 /* init one TX queue logical core on each port */
 679                 fflush(stdout);
 680                 txq_conf = dev_info.default_txconf;
 681                 txq_conf.offloads = local_port_conf.txmode.offloads;
 682                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 683                                 rte_eth_dev_socket_id(portid),
 684                                 &txq_conf);
 685                 if (ret < 0)
 686                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
 687                                   ret, (unsigned) portid);
 688
 689                 /* Initialize TX buffers */
 690                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
 691                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
 692                                 rte_eth_dev_socket_id(portid));
 693                 if (tx_buffer[portid] == NULL)
 694                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
 695                                         (unsigned) portid);
 696
 697                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
 698
 699                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
 700                                 rte_eth_tx_buffer_count_callback,
 701                                 &port_statistics[portid].dropped);
 702                 if (ret < 0)
 703                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
 704                                         "tx buffer on port %u\n", (unsigned) portid);
 705
 706                 /* Start device */
 707                 ret = rte_eth_dev_start(portid);
 708                 if (ret < 0)
 709                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
 710                                   ret, (unsigned) portid);
 711                 printf("done:\n");
 712
 713                 ret = rte_eth_promiscuous_enable(portid);
 714                 if (ret != 0)
 715                         rte_exit(EXIT_FAILURE,
 716                                 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
 717                                 rte_strerror(-ret), portid);
 718
 719                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 720                                 (unsigned) portid,
 721                                 lsi_ports_eth_addr[portid].addr_bytes[0],
 722                                 lsi_ports_eth_addr[portid].addr_bytes[1],
 723                                 lsi_ports_eth_addr[portid].addr_bytes[2],
 724                                 lsi_ports_eth_addr[portid].addr_bytes[3],
 725                                 lsi_ports_eth_addr[portid].addr_bytes[4],
 726                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
 727
 728                 /* initialize port stats */
 729                 memset(&port_statistics, 0, sizeof(port_statistics));
 730         }
 731
 732         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
 733
 734         /* launch per-lcore init on every lcore */
 735         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
 736         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 737                 if (rte_eal_wait_lcore(lcore_id) < 0)
 738                         return -1;
 739         }
 740
 741         return 0;
 742 }