examples/l2fwd-event/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2019 Marvell International Ltd.
   3  */
   4
   5 #include <rte_string_fns.h>
   6
   7 #include "l2fwd_event.h"
   8 #include "l2fwd_poll.h"
   9
  10 /* display usage */
  11 static void
  12 l2fwd_event_usage(const char *prgname)
  13 {
  14         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
  15                "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
  16                "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
  17                "  -T PERIOD: statistics will be refreshed each PERIOD seconds "
  18                "                (0 to disable, 10 default, 86400 maximum)\n"
  19                "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
  20                "      When enabled:\n"
  21                "       - The source MAC address is replaced by the TX port MAC address\n"
  22                "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
  23                "  --mode: Packet transfer mode for I/O, poll or eventdev\n"
  24                "          Default mode = eventdev\n"
  25                "  --eventq-sched: Event queue schedule type, ordered, atomic or parallel.\n"
  26                "                  Default: atomic\n"
  27                "                  Valid only if --mode=eventdev\n"
  28                "  --config: Configure forwarding port pair mapping\n"
  29                "            Default: alternate port pairs\n\n",
  30                prgname);
  31 }
  32
  33 static int
  34 l2fwd_event_parse_portmask(const char *portmask)
  35 {
  36         char *end = NULL;
  37         unsigned long pm;
  38
  39         /* parse hexadecimal string */
  40         pm = strtoul(portmask, &end, 16);
  41         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
  42                 return 0;
  43
  44         return pm;
  45 }
  46
  47 static unsigned int
  48 l2fwd_event_parse_nqueue(const char *q_arg)
  49 {
  50         char *end = NULL;
  51         unsigned long n;
  52
  53         /* parse hexadecimal string */
  54         n = strtoul(q_arg, &end, 10);
  55         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
  56                 return 0;
  57         if (n == 0)
  58                 return 0;
  59         if (n >= MAX_RX_QUEUE_PER_LCORE)
  60                 return 0;
  61
  62         return n;
  63 }
  64
  65 static int
  66 l2fwd_event_parse_timer_period(const char *q_arg)
  67 {
  68         char *end = NULL;
  69         int n;
  70
  71         /* parse number string */
  72         n = strtol(q_arg, &end, 10);
  73         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
  74                 return -1;
  75         if (n >= MAX_TIMER_PERIOD)
  76                 return -1;
  77
  78         return n;
  79 }
  80
  81 static void
  82 l2fwd_event_parse_mode(const char *optarg,
  83                        struct l2fwd_resources *rsrc)
  84 {
  85         if (!strncmp(optarg, "poll", 4))
  86                 rsrc->event_mode = false;
  87         else if (!strncmp(optarg, "eventdev", 8))
  88                 rsrc->event_mode = true;
  89 }
  90
  91 static void
  92 l2fwd_event_parse_eventq_sched(const char *optarg,
  93                                struct l2fwd_resources *rsrc)
  94 {
  95         if (!strncmp(optarg, "ordered", 7))
  96                 rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
  97         else if (!strncmp(optarg, "atomic", 6))
  98                 rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
  99         else if (!strncmp(optarg, "parallel", 8))
 100                 rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
 101 }
 102
 103 static int
 104 l2fwd_parse_port_pair_config(const char *q_arg, struct l2fwd_resources *rsrc)
 105 {
 106         enum fieldnames {
 107                 FLD_PORT1 = 0,
 108                 FLD_PORT2,
 109                 _NUM_FLD
 110         };
 111         const char *p, *p0 = q_arg;
 112         uint16_t int_fld[_NUM_FLD];
 113         char *str_fld[_NUM_FLD];
 114         uint16_t port_pair = 0;
 115         unsigned int size;
 116         char s[256];
 117         char *end;
 118         int i;
 119
 120         while ((p = strchr(p0, '(')) != NULL) {
 121                 ++p;
 122                 p0 = strchr(p, ')');
 123                 if (p0 == NULL)
 124                         return -1;
 125
 126                 size = p0 - p;
 127                 if (size >= sizeof(s))
 128                         return -1;
 129
 130                 memcpy(s, p, size);
 131                 if (rte_strsplit(s, sizeof(s), str_fld,
 132                                         _NUM_FLD, ',') != _NUM_FLD)
 133                         return -1;
 134
 135                 for (i = 0; i < _NUM_FLD; i++) {
 136                         errno = 0;
 137                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 138                         if (errno != 0 || end == str_fld[i] ||
 139                             int_fld[i] >= RTE_MAX_ETHPORTS)
 140                                 return -1;
 141                 }
 142
 143                 if (port_pair >= RTE_MAX_ETHPORTS / 2) {
 144                         printf("exceeded max number of port pair params: Current %d Max = %d\n",
 145                                port_pair, RTE_MAX_ETHPORTS / 2);
 146                         return -1;
 147                 }
 148
 149                 if ((rsrc->dst_ports[int_fld[FLD_PORT1]] != UINT32_MAX) ||
 150                         (rsrc->dst_ports[int_fld[FLD_PORT2]] != UINT32_MAX)) {
 151                         printf("Duplicate port pair (%d,%d) config\n",
 152                                         int_fld[FLD_PORT1], int_fld[FLD_PORT2]);
 153                         return -1;
 154                 }
 155
 156                 rsrc->dst_ports[int_fld[FLD_PORT1]] = int_fld[FLD_PORT2];
 157                 rsrc->dst_ports[int_fld[FLD_PORT2]] = int_fld[FLD_PORT1];
 158
 159                 port_pair++;
 160         }
 161
 162         rsrc->port_pairs = true;
 163
 164         return 0;
 165 }
 166
 167 static const char short_options[] =
 168         "p:"  /* portmask */
 169         "q:"  /* number of queues */
 170         "T:"  /* timer period */
 171         ;
 172
 173 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating"
 174 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
 175 #define CMD_LINE_OPT_MODE "mode"
 176 #define CMD_LINE_OPT_EVENTQ_SCHED "eventq-sched"
 177 #define CMD_LINE_OPT_PORT_PAIR_CONF "config"
 178
 179 enum {
 180         /* long options mapped to a short option */
 181
 182         /* first long only option value must be >= 256, so that we won't
 183          * conflict with short options
 184          */
 185         CMD_LINE_OPT_MIN_NUM = 256,
 186         CMD_LINE_OPT_MODE_NUM,
 187         CMD_LINE_OPT_EVENTQ_SCHED_NUM,
 188         CMD_LINE_OPT_PORT_PAIR_CONF_NUM,
 189 };
 190
 191 /* Parse the argument given in the command line of the application */
 192 static int
 193 l2fwd_event_parse_args(int argc, char **argv, struct l2fwd_resources *rsrc)
 194 {
 195         int mac_updating = 1;
 196         struct option lgopts[] = {
 197                 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
 198                 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
 199                 { CMD_LINE_OPT_MODE, required_argument, NULL,
 200                                                         CMD_LINE_OPT_MODE_NUM},
 201                 { CMD_LINE_OPT_EVENTQ_SCHED, required_argument, NULL,
 202                                                 CMD_LINE_OPT_EVENTQ_SCHED_NUM},
 203                 { CMD_LINE_OPT_PORT_PAIR_CONF, required_argument, NULL,
 204                                         CMD_LINE_OPT_PORT_PAIR_CONF_NUM},
 205                 {NULL, 0, 0, 0}
 206         };
 207         int opt, ret, timer_secs;
 208         char *prgname = argv[0];
 209         uint16_t port_id;
 210         int option_index;
 211         char **argvopt;
 212
 213         /* reset l2fwd_dst_ports */
 214         for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 215                 rsrc->dst_ports[port_id] = UINT32_MAX;
 216
 217         argvopt = argv;
 218         while ((opt = getopt_long(argc, argvopt, short_options,
 219                                   lgopts, &option_index)) != EOF) {
 220
 221                 switch (opt) {
 222                 /* portmask */
 223                 case 'p':
 224                         rsrc->enabled_port_mask =
 225                                         l2fwd_event_parse_portmask(optarg);
 226                         if (rsrc->enabled_port_mask == 0) {
 227                                 printf("invalid portmask\n");
 228                                 l2fwd_event_usage(prgname);
 229                                 return -1;
 230                         }
 231                         break;
 232
 233                 /* nqueue */
 234                 case 'q':
 235                         rsrc->rx_queue_per_lcore =
 236                                         l2fwd_event_parse_nqueue(optarg);
 237                         if (rsrc->rx_queue_per_lcore == 0) {
 238                                 printf("invalid queue number\n");
 239                                 l2fwd_event_usage(prgname);
 240                                 return -1;
 241                         }
 242                         break;
 243
 244                 /* timer period */
 245                 case 'T':
 246                         timer_secs = l2fwd_event_parse_timer_period(optarg);
 247                         if (timer_secs < 0) {
 248                                 printf("invalid timer period\n");
 249                                 l2fwd_event_usage(prgname);
 250                                 return -1;
 251                         }
 252                         rsrc->timer_period = timer_secs;
 253                         /* convert to number of cycles */
 254                         rsrc->timer_period *= rte_get_timer_hz();
 255                         break;
 256
 257                 case CMD_LINE_OPT_MODE_NUM:
 258                         l2fwd_event_parse_mode(optarg, rsrc);
 259                         break;
 260
 261                 case CMD_LINE_OPT_EVENTQ_SCHED_NUM:
 262                         l2fwd_event_parse_eventq_sched(optarg, rsrc);
 263                         break;
 264
 265                 case CMD_LINE_OPT_PORT_PAIR_CONF_NUM:
 266                         ret = l2fwd_parse_port_pair_config(optarg, rsrc);
 267                         if (ret) {
 268                                 printf("Invalid port pair config\n");
 269                                 l2fwd_event_usage(prgname);
 270                                 return -1;
 271                         }
 272                         break;
 273
 274                 /* long options */
 275                 case 0:
 276                         break;
 277
 278                 default:
 279                         l2fwd_event_usage(prgname);
 280                         return -1;
 281                 }
 282         }
 283
 284         rsrc->mac_updating = mac_updating;
 285
 286         if (optind >= 0)
 287                 argv[optind-1] = prgname;
 288
 289         ret = optind-1;
 290         optind = 1; /* reset getopt lib */
 291         return ret;
 292 }
 293
 294 /*
 295  * Check port pair config with enabled port mask,
 296  * and for valid port pair combinations.
 297  */
 298 static int
 299 check_port_pair_config(struct l2fwd_resources *rsrc)
 300 {
 301         uint32_t port_pair_mask = 0;
 302         uint32_t portid;
 303         uint16_t index;
 304
 305         for (index = 0; index < rte_eth_dev_count_avail(); index++) {
 306                 if ((rsrc->enabled_port_mask & (1 << index)) == 0 ||
 307                     (port_pair_mask & (1 << index)))
 308                         continue;
 309
 310                 portid = rsrc->dst_ports[index];
 311                 if (portid == UINT32_MAX) {
 312                         printf("port %u is enabled in but no valid port pair\n",
 313                                index);
 314                         return -1;
 315                 }
 316
 317                 if (!rte_eth_dev_is_valid_port(index)) {
 318                         printf("port %u is not valid\n", index);
 319                         return -1;
 320                 }
 321
 322                 if (!rte_eth_dev_is_valid_port(portid)) {
 323                         printf("port %u is not valid\n", portid);
 324                         return -1;
 325                 }
 326
 327                 if (port_pair_mask & (1 << portid) &&
 328                                 rsrc->dst_ports[portid] != index) {
 329                         printf("port %u is used in other port pairs\n", portid);
 330                         return -1;
 331                 }
 332
 333                 port_pair_mask |= (1 << portid);
 334                 port_pair_mask |= (1 << index);
 335         }
 336
 337         return 0;
 338 }
 339
 340 static int
 341 l2fwd_launch_one_lcore(void *args)
 342 {
 343         struct l2fwd_resources *rsrc = args;
 344         struct l2fwd_poll_resources *poll_rsrc = rsrc->poll_rsrc;
 345         struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
 346
 347         if (rsrc->event_mode)
 348                 evt_rsrc->ops.l2fwd_event_loop(rsrc);
 349         else
 350                 poll_rsrc->poll_main_loop(rsrc);
 351
 352         return 0;
 353 }
 354
 355 /* Check the link status of all ports in up to 9s, and print them finally */
 356 static void
 357 check_all_ports_link_status(struct l2fwd_resources *rsrc,
 358                             uint32_t port_mask)
 359 {
 360 #define CHECK_INTERVAL 100 /* 100ms */
 361 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 362         uint16_t port_id;
 363         uint8_t count, all_ports_up, print_flag = 0;
 364         struct rte_eth_link link;
 365         int ret;
 366         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 367
 368         printf("\nChecking link status...");
 369         fflush(stdout);
 370         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 371                 if (rsrc->force_quit)
 372                         return;
 373                 all_ports_up = 1;
 374                 RTE_ETH_FOREACH_DEV(port_id) {
 375                         if (rsrc->force_quit)
 376                                 return;
 377                         if ((port_mask & (1 << port_id)) == 0)
 378                                 continue;
 379                         memset(&link, 0, sizeof(link));
 380                         ret = rte_eth_link_get_nowait(port_id, &link);
 381                         if (ret < 0) {
 382                                 all_ports_up = 0;
 383                                 if (print_flag == 1)
 384                                         printf("Port %u link get failed: %s\n",
 385                                                 port_id, rte_strerror(-ret));
 386                                 continue;
 387                         }
 388                         /* print link status if flag set */
 389                         if (print_flag == 1) {
 390                                 rte_eth_link_to_str(link_status_text,
 391                                         sizeof(link_status_text), &link);
 392                                 printf("Port %d %s\n", port_id,
 393                                        link_status_text);
 394                                 continue;
 395                         }
 396                         /* clear all_ports_up flag if any link down */
 397                         if (link.link_status == ETH_LINK_DOWN) {
 398                                 all_ports_up = 0;
 399                                 break;
 400                         }
 401                 }
 402                 /* after finally printing all link status, get out */
 403                 if (print_flag == 1)
 404                         break;
 405
 406                 if (all_ports_up == 0) {
 407                         printf(".");
 408                         fflush(stdout);
 409                         rte_delay_ms(CHECK_INTERVAL);
 410                 }
 411
 412                 /* set the print_flag if all ports up or timeout */
 413                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 414                         print_flag = 1;
 415                         printf("done\n");
 416                 }
 417         }
 418 }
 419
 420 /* Print out statistics on packets dropped */
 421 static void
 422 print_stats(struct l2fwd_resources *rsrc)
 423 {
 424         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 425         uint32_t port_id;
 426
 427         total_packets_dropped = 0;
 428         total_packets_tx = 0;
 429         total_packets_rx = 0;
 430
 431         const char clr[] = {27, '[', '2', 'J', '\0' };
 432         const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0' };
 433
 434                 /* Clear screen and move to top left */
 435         printf("%s%s", clr, topLeft);
 436
 437         printf("\nPort statistics ====================================");
 438
 439         for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
 440                 /* skip disabled ports */
 441                 if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
 442                         continue;
 443                 printf("\nStatistics for port %u ------------------------------"
 444                            "\nPackets sent: %29"PRIu64
 445                            "\nPackets received: %25"PRIu64
 446                            "\nPackets dropped: %26"PRIu64,
 447                            port_id,
 448                            rsrc->port_stats[port_id].tx,
 449                            rsrc->port_stats[port_id].rx,
 450                            rsrc->port_stats[port_id].dropped);
 451
 452                 total_packets_dropped +=
 453                                         rsrc->port_stats[port_id].dropped;
 454                 total_packets_tx += rsrc->port_stats[port_id].tx;
 455                 total_packets_rx += rsrc->port_stats[port_id].rx;
 456         }
 457
 458         if (rsrc->event_mode) {
 459                 struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
 460                 struct rte_event_eth_rx_adapter_stats rx_adptr_stats;
 461                 struct rte_event_eth_tx_adapter_stats tx_adptr_stats;
 462                 int ret, i;
 463
 464                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
 465                         ret = rte_event_eth_rx_adapter_stats_get(
 466                                         evt_rsrc->rx_adptr.rx_adptr[i],
 467                                         &rx_adptr_stats);
 468                         if (ret < 0)
 469                                 continue;
 470                         printf("\nRx adapter[%d] statistics===================="
 471                                    "\nReceive queue poll count: %17"PRIu64
 472                                    "\nReceived packet count: %20"PRIu64
 473                                    "\nEventdev enqueue count: %19"PRIu64
 474                                    "\nEventdev enqueue retry count: %13"PRIu64
 475                                    "\nReceived packet dropped count: %12"PRIu64
 476                                    "\nRx enqueue start timestamp: %15"PRIu64
 477                                    "\nRx enqueue block cycles: %18"PRIu64
 478                                    "\nRx enqueue unblock timestamp: %13"PRIu64,
 479                                    evt_rsrc->rx_adptr.rx_adptr[i],
 480                                    rx_adptr_stats.rx_poll_count,
 481                                    rx_adptr_stats.rx_packets,
 482                                    rx_adptr_stats.rx_enq_count,
 483                                    rx_adptr_stats.rx_enq_retry,
 484                                    rx_adptr_stats.rx_dropped,
 485                                    rx_adptr_stats.rx_enq_start_ts,
 486                                    rx_adptr_stats.rx_enq_block_cycles,
 487                                    rx_adptr_stats.rx_enq_end_ts);
 488                 }
 489                 for (i = 0; i <  evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
 490                         ret = rte_event_eth_tx_adapter_stats_get(
 491                                         evt_rsrc->tx_adptr.tx_adptr[i],
 492                                         &tx_adptr_stats);
 493                         if (ret < 0)
 494                                 continue;
 495                         printf("\nTx adapter[%d] statistics===================="
 496                                    "\nNumber of transmit retries: %15"PRIu64
 497                                    "\nNumber of packets transmitted: %12"PRIu64
 498                                    "\nNumber of packets dropped: %16"PRIu64,
 499                                    evt_rsrc->tx_adptr.tx_adptr[i],
 500                                    tx_adptr_stats.tx_retry,
 501                                    tx_adptr_stats.tx_packets,
 502                                    tx_adptr_stats.tx_dropped);
 503                 }
 504         }
 505         printf("\nAggregate lcore statistics ========================="
 506                    "\nTotal packets sent: %23"PRIu64
 507                    "\nTotal packets received: %19"PRIu64
 508                    "\nTotal packets dropped: %20"PRIu64,
 509                    total_packets_tx,
 510                    total_packets_rx,
 511                    total_packets_dropped);
 512         printf("\n====================================================\n");
 513
 514         fflush(stdout);
 515 }
 516
 517 static void
 518 l2fwd_event_print_stats(struct l2fwd_resources *rsrc)
 519 {
 520         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 521         const uint64_t timer_period = rsrc->timer_period;
 522
 523         while (!rsrc->force_quit) {
 524                 /* if timer is enabled */
 525                 if (timer_period > 0) {
 526                         cur_tsc = rte_rdtsc();
 527                         diff_tsc = cur_tsc - prev_tsc;
 528
 529                         /* advance the timer */
 530                         timer_tsc += diff_tsc;
 531
 532                         /* if timer has reached its timeout */
 533                         if (unlikely(timer_tsc >= timer_period)) {
 534                                 print_stats(rsrc);
 535                                 /* reset the timer */
 536                                 timer_tsc = 0;
 537                         }
 538                         prev_tsc = cur_tsc;
 539                 }
 540         }
 541 }
 542
 543
 544 static void
 545 signal_handler(int signum)
 546 {
 547         struct l2fwd_resources *rsrc = l2fwd_get_rsrc();
 548         if (signum == SIGINT || signum == SIGTERM) {
 549                 printf("\n\nSignal %d received, preparing to exit...\n",
 550                                 signum);
 551                 rsrc->force_quit = true;
 552         }
 553 }
 554
 555 int
 556 main(int argc, char **argv)
 557 {
 558         struct l2fwd_resources *rsrc;
 559         uint16_t nb_ports_available = 0;
 560         uint32_t nb_ports_in_mask = 0;
 561         uint16_t port_id, last_port;
 562         uint32_t nb_mbufs;
 563         uint16_t nb_ports;
 564         int i, ret;
 565
 566         /* init EAL */
 567         ret = rte_eal_init(argc, argv);
 568         if (ret < 0)
 569                 rte_panic("Invalid EAL arguments\n");
 570         argc -= ret;
 571         argv += ret;
 572
 573         rsrc = l2fwd_get_rsrc();
 574
 575         signal(SIGINT, signal_handler);
 576         signal(SIGTERM, signal_handler);
 577
 578         /* parse application arguments (after the EAL ones) */
 579         ret = l2fwd_event_parse_args(argc, argv, rsrc);
 580         if (ret < 0)
 581                 rte_panic("Invalid L2FWD arguments\n");
 582
 583         printf("MAC updating %s\n", rsrc->mac_updating ? "enabled" :
 584                         "disabled");
 585
 586         nb_ports = rte_eth_dev_count_avail();
 587         if (nb_ports == 0)
 588                 rte_panic("No Ethernet ports - bye\n");
 589
 590         /* check port mask to possible port mask */
 591         if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1))
 592                 rte_panic("Invalid portmask; possible (0x%x)\n",
 593                         (1 << nb_ports) - 1);
 594
 595         if (!rsrc->port_pairs) {
 596                 last_port = 0;
 597                 /*
 598                  * Each logical core is assigned a dedicated TX queue on each
 599                  * port.
 600                  */
 601                 RTE_ETH_FOREACH_DEV(port_id) {
 602                         /* skip ports that are not enabled */
 603                         if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
 604                                 continue;
 605
 606                         if (nb_ports_in_mask % 2) {
 607                                 rsrc->dst_ports[port_id] = last_port;
 608                                 rsrc->dst_ports[last_port] = port_id;
 609                         } else {
 610                                 last_port = port_id;
 611                         }
 612
 613                         nb_ports_in_mask++;
 614                 }
 615                 if (nb_ports_in_mask % 2) {
 616                         printf("Notice: odd number of ports in portmask.\n");
 617                         rsrc->dst_ports[last_port] = last_port;
 618                 }
 619         } else {
 620                 if (check_port_pair_config(rsrc) < 0)
 621                         rte_panic("Invalid port pair config\n");
 622         }
 623
 624         nb_mbufs = RTE_MAX(nb_ports * (RTE_TEST_RX_DESC_DEFAULT +
 625                                        RTE_TEST_TX_DESC_DEFAULT +
 626                                        MAX_PKT_BURST + rte_lcore_count() *
 627                                        MEMPOOL_CACHE_SIZE), 8192U);
 628
 629         /* create the mbuf pool */
 630         rsrc->pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool",
 631                         nb_mbufs, MEMPOOL_CACHE_SIZE, 0,
 632                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 633         if (rsrc->pktmbuf_pool == NULL)
 634                 rte_panic("Cannot init mbuf pool\n");
 635
 636         nb_ports_available = l2fwd_event_init_ports(rsrc);
 637         if (!nb_ports_available)
 638                 rte_panic("All available ports are disabled. Please set portmask.\n");
 639
 640         /* Configure eventdev parameters if required */
 641         if (rsrc->event_mode)
 642                 l2fwd_event_resource_setup(rsrc);
 643         else
 644                 l2fwd_poll_resource_setup(rsrc);
 645
 646         /* initialize port stats */
 647         memset(&rsrc->port_stats, 0,
 648                                         sizeof(struct l2fwd_port_statistics));
 649
 650         /* All settings are done. Now enable eth devices */
 651         RTE_ETH_FOREACH_DEV(port_id) {
 652                 /* skip ports that are not enabled */
 653                 if ((rsrc->enabled_port_mask &
 654                                         (1 << port_id)) == 0)
 655                         continue;
 656
 657                 ret = rte_eth_dev_start(port_id);
 658                 if (ret < 0)
 659                         rte_panic("rte_eth_dev_start:err=%d, port=%u\n", ret,
 660                                   port_id);
 661         }
 662
 663         if (rsrc->event_mode)
 664                 l2fwd_event_service_setup(rsrc);
 665
 666         check_all_ports_link_status(rsrc, rsrc->enabled_port_mask);
 667
 668         /* launch per-lcore init on every lcore */
 669         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, rsrc,
 670                                  SKIP_MASTER);
 671         l2fwd_event_print_stats(rsrc);
 672         if (rsrc->event_mode) {
 673                 struct l2fwd_event_resources *evt_rsrc =
 674                                                         rsrc->evt_rsrc;
 675                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
 676                         rte_event_eth_rx_adapter_stop(
 677                                 evt_rsrc->rx_adptr.rx_adptr[i]);
 678                 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
 679                         rte_event_eth_tx_adapter_stop(
 680                                 evt_rsrc->tx_adptr.tx_adptr[i]);
 681
 682                 RTE_ETH_FOREACH_DEV(port_id) {
 683                         if ((rsrc->enabled_port_mask &
 684                                                         (1 << port_id)) == 0)
 685                                 continue;
 686                         rte_eth_dev_stop(port_id);
 687                 }
 688
 689                 rte_eal_mp_wait_lcore();
 690                 RTE_ETH_FOREACH_DEV(port_id) {
 691                         if ((rsrc->enabled_port_mask &
 692                                                         (1 << port_id)) == 0)
 693                                 continue;
 694                         rte_eth_dev_close(port_id);
 695                 }
 696
 697                 rte_event_dev_stop(evt_rsrc->event_d_id);
 698                 rte_event_dev_close(evt_rsrc->event_d_id);
 699
 700         } else {
 701                 rte_eal_mp_wait_lcore();
 702
 703                 RTE_ETH_FOREACH_DEV(port_id) {
 704                         if ((rsrc->enabled_port_mask &
 705                                                         (1 << port_id)) == 0)
 706                                 continue;
 707                         printf("Closing port %d...", port_id);
 708                         rte_eth_dev_stop(port_id);
 709                         rte_eth_dev_close(port_id);
 710                         printf(" Done\n");
 711                 }
 712         }
 713         printf("Bye...\n");
 714
 715         return 0;
 716 }