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
 167 static void
 168 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
 169 {
 170         struct rte_ether_hdr *eth;
 171         void *tmp;
 172         unsigned dst_port = lsi_dst_ports[portid];
 173         int sent;
 174         struct rte_eth_dev_tx_buffer *buffer;
 175
 176         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 177
 178         /* 02:00:00:00:00:xx */
 179         tmp = &eth->d_addr.addr_bytes[0];
 180         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 181
 182         /* src addr */
 183         rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
 184
 185         buffer = tx_buffer[dst_port];
 186         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
 187         if (sent)
 188                 port_statistics[dst_port].tx += sent;
 189 }
 190
 191 /* main processing loop */
 192 static void
 193 lsi_main_loop(void)
 194 {
 195         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 196         struct rte_mbuf *m;
 197         unsigned lcore_id;
 198         unsigned sent;
 199         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
 200         unsigned i, j, portid, nb_rx;
 201         struct lcore_queue_conf *qconf;
 202         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
 203                         BURST_TX_DRAIN_US;
 204         struct rte_eth_dev_tx_buffer *buffer;
 205
 206         prev_tsc = 0;
 207         timer_tsc = 0;
 208
 209         lcore_id = rte_lcore_id();
 210         qconf = &lcore_queue_conf[lcore_id];
 211
 212         if (qconf->n_rx_port == 0) {
 213                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
 214                 return;
 215         }
 216
 217         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
 218
 219         for (i = 0; i < qconf->n_rx_port; i++) {
 220
 221                 portid = qconf->rx_port_list[i];
 222                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
 223                         portid);
 224         }
 225
 226         while (1) {
 227
 228                 cur_tsc = rte_rdtsc();
 229
 230                 /*
 231                  * TX burst queue drain
 232                  */
 233                 diff_tsc = cur_tsc - prev_tsc;
 234                 if (unlikely(diff_tsc > drain_tsc)) {
 235
 236                         for (i = 0; i < qconf->n_rx_port; i++) {
 237
 238                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
 239                                 buffer = tx_buffer[portid];
 240
 241                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
 242                                 if (sent)
 243                                         port_statistics[portid].tx += sent;
 244
 245                         }
 246
 247                         /* if timer is enabled */
 248                         if (timer_period > 0) {
 249
 250                                 /* advance the timer */
 251                                 timer_tsc += diff_tsc;
 252
 253                                 /* if timer has reached its timeout */
 254                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
 255
 256                                         /* do this only on master core */
 257                                         if (lcore_id == rte_get_master_lcore()) {
 258                                                 print_stats();
 259                                                 /* reset the timer */
 260                                                 timer_tsc = 0;
 261                                         }
 262                                 }
 263                         }
 264
 265                         prev_tsc = cur_tsc;
 266                 }
 267
 268                 /*
 269                  * Read packet from RX queues
 270                  */
 271                 for (i = 0; i < qconf->n_rx_port; i++) {
 272
 273                         portid = qconf->rx_port_list[i];
 274                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 275                                                  pkts_burst, MAX_PKT_BURST);
 276
 277                         port_statistics[portid].rx += nb_rx;
 278
 279                         for (j = 0; j < nb_rx; j++) {
 280                                 m = pkts_burst[j];
 281                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 282                                 lsi_simple_forward(m, portid);
 283                         }
 284                 }
 285         }
 286 }
 287
 288 static int
 289 lsi_launch_one_lcore(__rte_unused void *dummy)
 290 {
 291         lsi_main_loop();
 292         return 0;
 293 }
 294
 295 /* display usage */
 296 static void
 297 lsi_usage(const char *prgname)
 298 {
 299         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
 300                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 301                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 302                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
 303                         prgname);
 304 }
 305
 306 static int
 307 lsi_parse_portmask(const char *portmask)
 308 {
 309         char *end = NULL;
 310         unsigned long pm;
 311
 312         /* parse hexadecimal string */
 313         pm = strtoul(portmask, &end, 16);
 314         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 315                 return -1;
 316
 317         if (pm == 0)
 318                 return -1;
 319
 320         return pm;
 321 }
 322
 323 static unsigned int
 324 lsi_parse_nqueue(const char *q_arg)
 325 {
 326         char *end = NULL;
 327         unsigned long n;
 328
 329         /* parse hexadecimal string */
 330         n = strtoul(q_arg, &end, 10);
 331         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 332                 return 0;
 333         if (n == 0)
 334                 return 0;
 335         if (n >= MAX_RX_QUEUE_PER_LCORE)
 336                 return 0;
 337
 338         return n;
 339 }
 340
 341 static int
 342 lsi_parse_timer_period(const char *q_arg)
 343 {
 344         char *end = NULL;
 345         int n;
 346
 347         /* parse number string */
 348         n = strtol(q_arg, &end, 10);
 349         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 350                 return -1;
 351         if (n >= MAX_TIMER_PERIOD)
 352                 return -1;
 353
 354         return n;
 355 }
 356
 357 /* Parse the argument given in the command line of the application */
 358 static int
 359 lsi_parse_args(int argc, char **argv)
 360 {
 361         int opt, ret;
 362         char **argvopt;
 363         int option_index;
 364         char *prgname = argv[0];
 365         static struct option lgopts[] = {
 366                 {NULL, 0, 0, 0}
 367         };
 368
 369         argvopt = argv;
 370
 371         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
 372                                   lgopts, &option_index)) != EOF) {
 373
 374                 switch (opt) {
 375                 /* portmask */
 376                 case 'p':
 377                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
 378                         if (lsi_enabled_port_mask == 0) {
 379                                 printf("invalid portmask\n");
 380                                 lsi_usage(prgname);
 381                                 return -1;
 382                         }
 383                         break;
 384
 385                 /* nqueue */
 386                 case 'q':
 387                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
 388                         if (lsi_rx_queue_per_lcore == 0) {
 389                                 printf("invalid queue number\n");
 390                                 lsi_usage(prgname);
 391                                 return -1;
 392                         }
 393                         break;
 394
 395                 /* timer period */
 396                 case 'T':
 397                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
 398                         if (timer_period < 0) {
 399                                 printf("invalid timer period\n");
 400                                 lsi_usage(prgname);
 401                                 return -1;
 402                         }
 403                         break;
 404
 405                 /* long options */
 406                 case 0:
 407                         lsi_usage(prgname);
 408                         return -1;
 409
 410                 default:
 411                         lsi_usage(prgname);
 412                         return -1;
 413                 }
 414         }
 415
 416         if (optind >= 0)
 417                 argv[optind-1] = prgname;
 418
 419         ret = optind-1;
 420         optind = 1; /* reset getopt lib */
 421         return ret;
 422 }
 423
 424 /**
 425  * It will be called as the callback for specified port after a LSI interrupt
 426  * has been fully handled. This callback needs to be implemented carefully as
 427  * it will be called in the interrupt host thread which is different from the
 428  * application main thread.
 429  *
 430  * @param port_id
 431  *  Port id.
 432  * @param type
 433  *  event type.
 434  * @param param
 435  *  Pointer to(address of) the parameters.
 436  *
 437  * @return
 438  *  int.
 439  */
 440 static int
 441 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
 442                     void *ret_param)
 443 {
 444         struct rte_eth_link link;
 445         int ret;
 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         ret = rte_eth_link_get_nowait(port_id, &link);
 453         if (ret < 0) {
 454                 printf("Failed link get on port %d: %s\n",
 455                        port_id, rte_strerror(-ret));
 456                 return ret;
 457         }
 458         if (link.link_status) {
 459                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
 460                                 port_id, (unsigned)link.link_speed,
 461                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 462                                 ("full-duplex") : ("half-duplex"));
 463         } else
 464                 printf("Port %d Link Down\n\n", port_id);
 465
 466         return 0;
 467 }
 468
 469 /* Check the link status of all ports in up to 9s, and print them finally */
 470 static void
 471 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 472 {
 473 #define CHECK_INTERVAL 100 /* 100ms */
 474 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 475         uint8_t count, all_ports_up, print_flag = 0;
 476         uint16_t portid;
 477         struct rte_eth_link link;
 478         int ret;
 479
 480         printf("\nChecking link status");
 481         fflush(stdout);
 482         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 483                 all_ports_up = 1;
 484                 for (portid = 0; portid < port_num; portid++) {
 485                         if ((port_mask & (1 << portid)) == 0)
 486                                 continue;
 487                         memset(&link, 0, sizeof(link));
 488                         ret = rte_eth_link_get_nowait(portid, &link);
 489                         if (ret < 0) {
 490                                 all_ports_up = 0;
 491                                 if (print_flag == 1)
 492                                         printf("Port %u link get failed: %s\n",
 493                                                 portid, rte_strerror(-ret));
 494                                 continue;
 495                         }
 496                         /* print link status if flag set */
 497                         if (print_flag == 1) {
 498                                 if (link.link_status)
 499                                         printf(
 500                                         "Port%d Link Up. Speed %u Mbps - %s\n",
 501                                                 portid, link.link_speed,
 502                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 503                                         ("full-duplex") : ("half-duplex\n"));
 504                                 else
 505                                         printf("Port %d Link Down\n", portid);
 506                                 continue;
 507                         }
 508                         /* clear all_ports_up flag if any link down */
 509                         if (link.link_status == ETH_LINK_DOWN) {
 510                                 all_ports_up = 0;
 511                                 break;
 512                         }
 513                 }
 514                 /* after finally printing all link status, get out */
 515                 if (print_flag == 1)
 516                         break;
 517
 518                 if (all_ports_up == 0) {
 519                         printf(".");
 520                         fflush(stdout);
 521                         rte_delay_ms(CHECK_INTERVAL);
 522                 }
 523
 524                 /* set the print_flag if all ports up or timeout */
 525                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 526                         print_flag = 1;
 527                         printf("done\n");
 528                 }
 529         }
 530 }
 531
 532 int
 533 main(int argc, char **argv)
 534 {
 535         struct lcore_queue_conf *qconf;
 536         int ret;
 537         uint16_t nb_ports;
 538         uint16_t portid, portid_last = 0;
 539         unsigned lcore_id, rx_lcore_id;
 540         unsigned nb_ports_in_mask = 0;
 541
 542         /* init EAL */
 543         ret = rte_eal_init(argc, argv);
 544         if (ret < 0)
 545                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
 546         argc -= ret;
 547         argv += ret;
 548
 549         /* parse application arguments (after the EAL ones) */
 550         ret = lsi_parse_args(argc, argv);
 551         if (ret < 0)
 552                 rte_exit(EXIT_FAILURE, "Invalid arguments");
 553
 554         /* create the mbuf pool */
 555         lsi_pktmbuf_pool =
 556                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
 557                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 558         if (lsi_pktmbuf_pool == NULL)
 559                 rte_panic("Cannot init mbuf pool\n");
 560
 561         nb_ports = rte_eth_dev_count_avail();
 562         if (nb_ports == 0)
 563                 rte_panic("No Ethernet port - bye\n");
 564
 565         /*
 566          * Each logical core is assigned a dedicated TX queue on each port.
 567          */
 568         for (portid = 0; portid < nb_ports; portid++) {
 569                 /* skip ports that are not enabled */
 570                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 571                         continue;
 572
 573                 /* save the destination port id */
 574                 if (nb_ports_in_mask % 2) {
 575                         lsi_dst_ports[portid] = portid_last;
 576                         lsi_dst_ports[portid_last] = portid;
 577                 }
 578                 else
 579                         portid_last = portid;
 580
 581                 nb_ports_in_mask++;
 582         }
 583         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
 584                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
 585                                 "but it should be even and at least 2\n",
 586                                 nb_ports_in_mask);
 587
 588         rx_lcore_id = 0;
 589         qconf = &lcore_queue_conf[rx_lcore_id];
 590
 591         /* Initialize the port/queue configuration of each logical core */
 592         for (portid = 0; portid < nb_ports; portid++) {
 593                 /* skip ports that are not enabled */
 594                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
 595                         continue;
 596
 597                 /* get the lcore_id for this port */
 598                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
 599                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
 600                        lsi_rx_queue_per_lcore) {
 601
 602                         rx_lcore_id++;
 603                         if (rx_lcore_id >= RTE_MAX_LCORE)
 604                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
 605                 }
 606                 if (qconf != &lcore_queue_conf[rx_lcore_id])
 607                         /* Assigned a new logical core in the loop above. */
 608                         qconf = &lcore_queue_conf[rx_lcore_id];
 609
 610                 qconf->rx_port_list[qconf->n_rx_port] = portid;
 611                 qconf->n_rx_port++;
 612                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
 613         }
 614
 615         /* Initialise each port */
 616         for (portid = 0; portid < nb_ports; portid++) {
 617                 struct rte_eth_rxconf rxq_conf;
 618                 struct rte_eth_txconf txq_conf;
 619                 struct rte_eth_conf local_port_conf = port_conf;
 620                 struct rte_eth_dev_info dev_info;
 621
 622                 /* skip ports that are not enabled */
 623                 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
 624                         printf("Skipping disabled port %u\n", (unsigned) portid);
 625                         continue;
 626                 }
 627                 /* init port */
 628                 printf("Initializing port %u... ", (unsigned) portid);
 629                 fflush(stdout);
 630
 631                 ret = rte_eth_dev_info_get(portid, &dev_info);
 632                 if (ret != 0)
 633                         rte_exit(EXIT_FAILURE,
 634                                 "Error during getting device (port %u) info: %s\n",
 635                                 portid, strerror(-ret));
 636
 637                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 638                         local_port_conf.txmode.offloads |=
 639                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 640                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 641                 if (ret < 0)
 642                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
 643                                   ret, (unsigned) portid);
 644
 645                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
 646                                                        &nb_txd);
 647                 if (ret < 0)
 648                         rte_exit(EXIT_FAILURE,
 649                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
 650                                  ret, (unsigned) portid);
 651
 652                 /* register lsi interrupt callback, need to be after
 653                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
 654                  * lsc interrupt will be present, and below callback to
 655                  * be registered will never be called.
 656                  */
 657                 rte_eth_dev_callback_register(portid,
 658                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 659
 660                 ret = rte_eth_macaddr_get(portid,
 661                                     &lsi_ports_eth_addr[portid]);
 662                 if (ret < 0)
 663                         rte_exit(EXIT_FAILURE,
 664                                  "rte_eth_macaddr_get: err=%d, port=%u\n",
 665                                  ret, (unsigned int)portid);
 666
 667                 /* init one RX queue */
 668                 fflush(stdout);
 669                 rxq_conf = dev_info.default_rxconf;
 670                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
 671                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 672                                              rte_eth_dev_socket_id(portid),
 673                                              &rxq_conf,
 674                                              lsi_pktmbuf_pool);
 675                 if (ret < 0)
 676                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
 677                                   ret, (unsigned) portid);
 678
 679                 /* init one TX queue logical core on each port */
 680                 fflush(stdout);
 681                 txq_conf = dev_info.default_txconf;
 682                 txq_conf.offloads = local_port_conf.txmode.offloads;
 683                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 684                                 rte_eth_dev_socket_id(portid),
 685                                 &txq_conf);
 686                 if (ret < 0)
 687                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
 688                                   ret, (unsigned) portid);
 689
 690                 /* Initialize TX buffers */
 691                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
 692                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
 693                                 rte_eth_dev_socket_id(portid));
 694                 if (tx_buffer[portid] == NULL)
 695                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
 696                                         (unsigned) portid);
 697
 698                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
 699
 700                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
 701                                 rte_eth_tx_buffer_count_callback,
 702                                 &port_statistics[portid].dropped);
 703                 if (ret < 0)
 704                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
 705                                         "tx buffer on port %u\n", (unsigned) portid);
 706
 707                 /* Start device */
 708                 ret = rte_eth_dev_start(portid);
 709                 if (ret < 0)
 710                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
 711                                   ret, (unsigned) portid);
 712                 printf("done:\n");
 713
 714                 ret = rte_eth_promiscuous_enable(portid);
 715                 if (ret != 0)
 716                         rte_exit(EXIT_FAILURE,
 717                                 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
 718                                 rte_strerror(-ret), portid);
 719
 720                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
 721                                 (unsigned) portid,
 722                                 lsi_ports_eth_addr[portid].addr_bytes[0],
 723                                 lsi_ports_eth_addr[portid].addr_bytes[1],
 724                                 lsi_ports_eth_addr[portid].addr_bytes[2],
 725                                 lsi_ports_eth_addr[portid].addr_bytes[3],
 726                                 lsi_ports_eth_addr[portid].addr_bytes[4],
 727                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
 728
 729                 /* initialize port stats */
 730                 memset(&port_statistics, 0, sizeof(port_statistics));
 731         }
 732
 733         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
 734
 735         /* launch per-lcore init on every lcore */
 736         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
 737         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
 738                 if (rte_eal_wait_lcore(lcore_id) < 0)
 739                         return -1;
 740         }
 741
 742         return 0;
 743 }