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 #include <signal.h> 19 #include <stdbool.h> 20 21 #include <rte_common.h> 22 #include <rte_log.h> 23 #include <rte_malloc.h> 24 #include <rte_memory.h> 25 #include <rte_memcpy.h> 26 #include <rte_eal.h> 27 #include <rte_launch.h> 28 #include <rte_atomic.h> 29 #include <rte_cycles.h> 30 #include <rte_prefetch.h> 31 #include <rte_lcore.h> 32 #include <rte_per_lcore.h> 33 #include <rte_branch_prediction.h> 34 #include <rte_interrupts.h> 35 #include <rte_random.h> 36 #include <rte_debug.h> 37 #include <rte_ether.h> 38 #include <rte_ethdev.h> 39 #include <rte_mempool.h> 40 #include <rte_mbuf.h> 41 42 static volatile bool force_quit; 43 44 /* MAC updating enabled by default */ 45 static int mac_updating = 1; 46 47 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 48 49 #define MAX_PKT_BURST 32 50 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 51 #define MEMPOOL_CACHE_SIZE 256 52 53 /* 54 * Configurable number of RX/TX ring descriptors 55 */ 56 #define RTE_TEST_RX_DESC_DEFAULT 128 57 #define RTE_TEST_TX_DESC_DEFAULT 512 58 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 59 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 60 61 /* ethernet addresses of ports */ 62 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 63 64 /* mask of enabled ports */ 65 static uint32_t l2fwd_enabled_port_mask = 0; 66 67 /* list of enabled ports */ 68 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 69 70 static unsigned int l2fwd_rx_queue_per_lcore = 1; 71 72 #define MAX_RX_QUEUE_PER_LCORE 16 73 #define MAX_TX_QUEUE_PER_PORT 16 74 struct lcore_queue_conf { 75 unsigned n_rx_port; 76 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 77 } __rte_cache_aligned; 78 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 79 80 static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 81 82 static const struct rte_eth_conf port_conf = { 83 .rxmode = { 84 .split_hdr_size = 0, 85 .header_split = 0, /**< Header Split disabled */ 86 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 87 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 88 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 89 .hw_strip_crc = 1, /**< CRC stripped by hardware */ 90 }, 91 .txmode = { 92 .mq_mode = ETH_MQ_TX_NONE, 93 }, 94 }; 95 96 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 97 98 /* Per-port statistics struct */ 99 struct l2fwd_port_statistics { 100 uint64_t tx; 101 uint64_t rx; 102 uint64_t dropped; 103 } __rte_cache_aligned; 104 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 105 106 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 107 /* A tsc-based timer responsible for triggering statistics printout */ 108 static uint64_t timer_period = 10; /* default period is 10 seconds */ 109 110 /* Print out statistics on packets dropped */ 111 static void 112 print_stats(void) 113 { 114 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 115 unsigned portid; 116 117 total_packets_dropped = 0; 118 total_packets_tx = 0; 119 total_packets_rx = 0; 120 121 const char clr[] = { 27, '[', '2', 'J', '\0' }; 122 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 123 124 /* Clear screen and move to top left */ 125 printf("%s%s", clr, topLeft); 126 127 printf("\nPort statistics ===================================="); 128 129 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 130 /* skip disabled ports */ 131 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 132 continue; 133 printf("\nStatistics for port %u ------------------------------" 134 "\nPackets sent: %24"PRIu64 135 "\nPackets received: %20"PRIu64 136 "\nPackets dropped: %21"PRIu64, 137 portid, 138 port_statistics[portid].tx, 139 port_statistics[portid].rx, 140 port_statistics[portid].dropped); 141 142 total_packets_dropped += port_statistics[portid].dropped; 143 total_packets_tx += port_statistics[portid].tx; 144 total_packets_rx += port_statistics[portid].rx; 145 } 146 printf("\nAggregate statistics ===============================" 147 "\nTotal packets sent: %18"PRIu64 148 "\nTotal packets received: %14"PRIu64 149 "\nTotal packets dropped: %15"PRIu64, 150 total_packets_tx, 151 total_packets_rx, 152 total_packets_dropped); 153 printf("\n====================================================\n"); 154 } 155 156 static void 157 l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid) 158 { 159 struct ether_hdr *eth; 160 void *tmp; 161 162 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 163 164 /* 02:00:00:00:00:xx */ 165 tmp = ð->d_addr.addr_bytes[0]; 166 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40); 167 168 /* src addr */ 169 ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr); 170 } 171 172 static void 173 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 174 { 175 unsigned dst_port; 176 int sent; 177 struct rte_eth_dev_tx_buffer *buffer; 178 179 dst_port = l2fwd_dst_ports[portid]; 180 181 if (mac_updating) 182 l2fwd_mac_updating(m, dst_port); 183 184 buffer = tx_buffer[dst_port]; 185 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 186 if (sent) 187 port_statistics[dst_port].tx += sent; 188 } 189 190 /* main processing loop */ 191 static void 192 l2fwd_main_loop(void) 193 { 194 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 195 struct rte_mbuf *m; 196 int sent; 197 unsigned lcore_id; 198 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 199 unsigned i, j, portid, nb_rx; 200 struct lcore_queue_conf *qconf; 201 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 202 BURST_TX_DRAIN_US; 203 struct rte_eth_dev_tx_buffer *buffer; 204 205 prev_tsc = 0; 206 timer_tsc = 0; 207 208 lcore_id = rte_lcore_id(); 209 qconf = &lcore_queue_conf[lcore_id]; 210 211 if (qconf->n_rx_port == 0) { 212 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 213 return; 214 } 215 216 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 217 218 for (i = 0; i < qconf->n_rx_port; i++) { 219 220 portid = qconf->rx_port_list[i]; 221 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 222 portid); 223 224 } 225 226 while (!force_quit) { 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 = l2fwd_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 >= 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(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 l2fwd_simple_forward(m, portid); 283 } 284 } 285 } 286 } 287 288 static int 289 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 290 { 291 l2fwd_main_loop(); 292 return 0; 293 } 294 295 /* display usage */ 296 static void 297 l2fwd_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 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" 304 " When enabled:\n" 305 " - The source MAC address is replaced by the TX port MAC address\n" 306 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n", 307 prgname); 308 } 309 310 static int 311 l2fwd_parse_portmask(const char *portmask) 312 { 313 char *end = NULL; 314 unsigned long pm; 315 316 /* parse hexadecimal string */ 317 pm = strtoul(portmask, &end, 16); 318 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 319 return -1; 320 321 if (pm == 0) 322 return -1; 323 324 return pm; 325 } 326 327 static unsigned int 328 l2fwd_parse_nqueue(const char *q_arg) 329 { 330 char *end = NULL; 331 unsigned long n; 332 333 /* parse hexadecimal string */ 334 n = strtoul(q_arg, &end, 10); 335 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 336 return 0; 337 if (n == 0) 338 return 0; 339 if (n >= MAX_RX_QUEUE_PER_LCORE) 340 return 0; 341 342 return n; 343 } 344 345 static int 346 l2fwd_parse_timer_period(const char *q_arg) 347 { 348 char *end = NULL; 349 int n; 350 351 /* parse number string */ 352 n = strtol(q_arg, &end, 10); 353 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 354 return -1; 355 if (n >= MAX_TIMER_PERIOD) 356 return -1; 357 358 return n; 359 } 360 361 static const char short_options[] = 362 "p:" /* portmask */ 363 "q:" /* number of queues */ 364 "T:" /* timer period */ 365 ; 366 367 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating" 368 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" 369 370 enum { 371 /* long options mapped to a short option */ 372 373 /* first long only option value must be >= 256, so that we won't 374 * conflict with short options */ 375 CMD_LINE_OPT_MIN_NUM = 256, 376 }; 377 378 static const struct option lgopts[] = { 379 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, 380 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, 381 {NULL, 0, 0, 0} 382 }; 383 384 /* Parse the argument given in the command line of the application */ 385 static int 386 l2fwd_parse_args(int argc, char **argv) 387 { 388 int opt, ret, timer_secs; 389 char **argvopt; 390 int option_index; 391 char *prgname = argv[0]; 392 393 argvopt = argv; 394 395 while ((opt = getopt_long(argc, argvopt, short_options, 396 lgopts, &option_index)) != EOF) { 397 398 switch (opt) { 399 /* portmask */ 400 case 'p': 401 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 402 if (l2fwd_enabled_port_mask == 0) { 403 printf("invalid portmask\n"); 404 l2fwd_usage(prgname); 405 return -1; 406 } 407 break; 408 409 /* nqueue */ 410 case 'q': 411 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 412 if (l2fwd_rx_queue_per_lcore == 0) { 413 printf("invalid queue number\n"); 414 l2fwd_usage(prgname); 415 return -1; 416 } 417 break; 418 419 /* timer period */ 420 case 'T': 421 timer_secs = l2fwd_parse_timer_period(optarg); 422 if (timer_secs < 0) { 423 printf("invalid timer period\n"); 424 l2fwd_usage(prgname); 425 return -1; 426 } 427 timer_period = timer_secs; 428 break; 429 430 /* long options */ 431 case 0: 432 break; 433 434 default: 435 l2fwd_usage(prgname); 436 return -1; 437 } 438 } 439 440 if (optind >= 0) 441 argv[optind-1] = prgname; 442 443 ret = optind-1; 444 optind = 1; /* reset getopt lib */ 445 return ret; 446 } 447 448 /* Check the link status of all ports in up to 9s, and print them finally */ 449 static void 450 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 451 { 452 #define CHECK_INTERVAL 100 /* 100ms */ 453 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 454 uint16_t portid; 455 uint8_t count, all_ports_up, print_flag = 0; 456 struct rte_eth_link link; 457 458 printf("\nChecking link status"); 459 fflush(stdout); 460 for (count = 0; count <= MAX_CHECK_TIME; count++) { 461 if (force_quit) 462 return; 463 all_ports_up = 1; 464 for (portid = 0; portid < port_num; portid++) { 465 if (force_quit) 466 return; 467 if ((port_mask & (1 << portid)) == 0) 468 continue; 469 memset(&link, 0, sizeof(link)); 470 rte_eth_link_get_nowait(portid, &link); 471 /* print link status if flag set */ 472 if (print_flag == 1) { 473 if (link.link_status) 474 printf( 475 "Port%d Link Up. Speed %u Mbps - %s\n", 476 portid, link.link_speed, 477 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 478 ("full-duplex") : ("half-duplex\n")); 479 else 480 printf("Port %d Link Down\n", portid); 481 continue; 482 } 483 /* clear all_ports_up flag if any link down */ 484 if (link.link_status == ETH_LINK_DOWN) { 485 all_ports_up = 0; 486 break; 487 } 488 } 489 /* after finally printing all link status, get out */ 490 if (print_flag == 1) 491 break; 492 493 if (all_ports_up == 0) { 494 printf("."); 495 fflush(stdout); 496 rte_delay_ms(CHECK_INTERVAL); 497 } 498 499 /* set the print_flag if all ports up or timeout */ 500 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 501 print_flag = 1; 502 printf("done\n"); 503 } 504 } 505 } 506 507 static void 508 signal_handler(int signum) 509 { 510 if (signum == SIGINT || signum == SIGTERM) { 511 printf("\n\nSignal %d received, preparing to exit...\n", 512 signum); 513 force_quit = true; 514 } 515 } 516 517 int 518 main(int argc, char **argv) 519 { 520 struct lcore_queue_conf *qconf; 521 int ret; 522 uint16_t nb_ports; 523 uint16_t nb_ports_available; 524 uint16_t portid, last_port; 525 unsigned lcore_id, rx_lcore_id; 526 unsigned nb_ports_in_mask = 0; 527 unsigned int nb_lcores = 0; 528 unsigned int nb_mbufs; 529 530 /* init EAL */ 531 ret = rte_eal_init(argc, argv); 532 if (ret < 0) 533 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 534 argc -= ret; 535 argv += ret; 536 537 force_quit = false; 538 signal(SIGINT, signal_handler); 539 signal(SIGTERM, signal_handler); 540 541 /* parse application arguments (after the EAL ones) */ 542 ret = l2fwd_parse_args(argc, argv); 543 if (ret < 0) 544 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 545 546 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled"); 547 548 /* convert to number of cycles */ 549 timer_period *= rte_get_timer_hz(); 550 551 nb_ports = rte_eth_dev_count(); 552 if (nb_ports == 0) 553 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 554 555 /* reset l2fwd_dst_ports */ 556 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 557 l2fwd_dst_ports[portid] = 0; 558 last_port = 0; 559 560 /* 561 * Each logical core is assigned a dedicated TX queue on each port. 562 */ 563 for (portid = 0; portid < nb_ports; portid++) { 564 /* skip ports that are not enabled */ 565 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 566 continue; 567 568 if (nb_ports_in_mask % 2) { 569 l2fwd_dst_ports[portid] = last_port; 570 l2fwd_dst_ports[last_port] = portid; 571 } 572 else 573 last_port = portid; 574 575 nb_ports_in_mask++; 576 } 577 if (nb_ports_in_mask % 2) { 578 printf("Notice: odd number of ports in portmask.\n"); 579 l2fwd_dst_ports[last_port] = last_port; 580 } 581 582 rx_lcore_id = 0; 583 qconf = NULL; 584 585 /* Initialize the port/queue configuration of each logical core */ 586 for (portid = 0; portid < nb_ports; portid++) { 587 /* skip ports that are not enabled */ 588 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 589 continue; 590 591 /* get the lcore_id for this port */ 592 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 593 lcore_queue_conf[rx_lcore_id].n_rx_port == 594 l2fwd_rx_queue_per_lcore) { 595 rx_lcore_id++; 596 if (rx_lcore_id >= RTE_MAX_LCORE) 597 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 598 } 599 600 if (qconf != &lcore_queue_conf[rx_lcore_id]) { 601 /* Assigned a new logical core in the loop above. */ 602 qconf = &lcore_queue_conf[rx_lcore_id]; 603 nb_lcores++; 604 } 605 606 qconf->rx_port_list[qconf->n_rx_port] = portid; 607 qconf->n_rx_port++; 608 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid); 609 } 610 611 nb_ports_available = nb_ports; 612 613 nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST + 614 nb_lcores * MEMPOOL_CACHE_SIZE), 8192U); 615 616 /* create the mbuf pool */ 617 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs, 618 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 619 rte_socket_id()); 620 if (l2fwd_pktmbuf_pool == NULL) 621 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 622 623 /* Initialise each port */ 624 for (portid = 0; portid < nb_ports; portid++) { 625 /* skip ports that are not enabled */ 626 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 627 printf("Skipping disabled port %u\n", portid); 628 nb_ports_available--; 629 continue; 630 } 631 /* init port */ 632 printf("Initializing port %u... ", portid); 633 fflush(stdout); 634 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 635 if (ret < 0) 636 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 637 ret, portid); 638 639 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 640 &nb_txd); 641 if (ret < 0) 642 rte_exit(EXIT_FAILURE, 643 "Cannot adjust number of descriptors: err=%d, port=%u\n", 644 ret, portid); 645 646 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 647 648 /* init one RX queue */ 649 fflush(stdout); 650 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 651 rte_eth_dev_socket_id(portid), 652 NULL, 653 l2fwd_pktmbuf_pool); 654 if (ret < 0) 655 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 656 ret, portid); 657 658 /* init one TX queue on each port */ 659 fflush(stdout); 660 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 661 rte_eth_dev_socket_id(portid), 662 NULL); 663 if (ret < 0) 664 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 665 ret, portid); 666 667 /* Initialize TX buffers */ 668 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 669 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 670 rte_eth_dev_socket_id(portid)); 671 if (tx_buffer[portid] == NULL) 672 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 673 portid); 674 675 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 676 677 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 678 rte_eth_tx_buffer_count_callback, 679 &port_statistics[portid].dropped); 680 if (ret < 0) 681 rte_exit(EXIT_FAILURE, 682 "Cannot set error callback for tx buffer on port %u\n", 683 portid); 684 685 /* Start device */ 686 ret = rte_eth_dev_start(portid); 687 if (ret < 0) 688 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 689 ret, portid); 690 691 printf("done: \n"); 692 693 rte_eth_promiscuous_enable(portid); 694 695 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 696 portid, 697 l2fwd_ports_eth_addr[portid].addr_bytes[0], 698 l2fwd_ports_eth_addr[portid].addr_bytes[1], 699 l2fwd_ports_eth_addr[portid].addr_bytes[2], 700 l2fwd_ports_eth_addr[portid].addr_bytes[3], 701 l2fwd_ports_eth_addr[portid].addr_bytes[4], 702 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 703 704 /* initialize port stats */ 705 memset(&port_statistics, 0, sizeof(port_statistics)); 706 } 707 708 if (!nb_ports_available) { 709 rte_exit(EXIT_FAILURE, 710 "All available ports are disabled. Please set portmask.\n"); 711 } 712 713 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 714 715 ret = 0; 716 /* launch per-lcore init on every lcore */ 717 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 718 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 719 if (rte_eal_wait_lcore(lcore_id) < 0) { 720 ret = -1; 721 break; 722 } 723 } 724 725 for (portid = 0; portid < nb_ports; portid++) { 726 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 727 continue; 728 printf("Closing port %d...", portid); 729 rte_eth_dev_stop(portid); 730 rte_eth_dev_close(portid); 731 printf(" Done\n"); 732 } 733 printf("Bye...\n"); 734 735 return ret; 736 } 737