1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <stdint.h> 38 #include <inttypes.h> 39 #include <sys/types.h> 40 #include <sys/queue.h> 41 #include <netinet/in.h> 42 #include <setjmp.h> 43 #include <stdarg.h> 44 #include <ctype.h> 45 #include <errno.h> 46 #include <getopt.h> 47 48 #include <rte_common.h> 49 #include <rte_log.h> 50 #include <rte_memory.h> 51 #include <rte_memcpy.h> 52 #include <rte_memzone.h> 53 #include <rte_eal.h> 54 #include <rte_per_lcore.h> 55 #include <rte_launch.h> 56 #include <rte_atomic.h> 57 #include <rte_cycles.h> 58 #include <rte_prefetch.h> 59 #include <rte_lcore.h> 60 #include <rte_per_lcore.h> 61 #include <rte_branch_prediction.h> 62 #include <rte_interrupts.h> 63 #include <rte_pci.h> 64 #include <rte_random.h> 65 #include <rte_debug.h> 66 #include <rte_ether.h> 67 #include <rte_ethdev.h> 68 #include <rte_ring.h> 69 #include <rte_mempool.h> 70 #include <rte_mbuf.h> 71 72 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 73 74 #define MBUF_DATA_SIZE (2048 + RTE_PKTMBUF_HEADROOM) 75 #define NB_MBUF 8192 76 77 #define MAX_PKT_BURST 32 78 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 79 80 /* 81 * Configurable number of RX/TX ring descriptors 82 */ 83 #define RTE_TEST_RX_DESC_DEFAULT 128 84 #define RTE_TEST_TX_DESC_DEFAULT 512 85 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 86 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 87 88 /* ethernet addresses of ports */ 89 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 90 91 /* mask of enabled ports */ 92 static uint32_t l2fwd_enabled_port_mask = 0; 93 94 /* list of enabled ports */ 95 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 96 97 static unsigned int l2fwd_rx_queue_per_lcore = 1; 98 99 struct mbuf_table { 100 unsigned len; 101 struct rte_mbuf *m_table[MAX_PKT_BURST]; 102 }; 103 104 #define MAX_RX_QUEUE_PER_LCORE 16 105 #define MAX_TX_QUEUE_PER_PORT 16 106 struct lcore_queue_conf { 107 unsigned n_rx_port; 108 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 109 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; 110 111 } __rte_cache_aligned; 112 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 113 114 static const struct rte_eth_conf port_conf = { 115 .rxmode = { 116 .split_hdr_size = 0, 117 .header_split = 0, /**< Header Split disabled */ 118 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 119 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 120 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 121 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 122 }, 123 .txmode = { 124 .mq_mode = ETH_MQ_TX_NONE, 125 }, 126 }; 127 128 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 129 130 /* Per-port statistics struct */ 131 struct l2fwd_port_statistics { 132 uint64_t tx; 133 uint64_t rx; 134 uint64_t dropped; 135 } __rte_cache_aligned; 136 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 137 138 /* A tsc-based timer responsible for triggering statistics printout */ 139 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 140 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 141 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 142 143 /* Print out statistics on packets dropped */ 144 static void 145 print_stats(void) 146 { 147 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 148 unsigned portid; 149 150 total_packets_dropped = 0; 151 total_packets_tx = 0; 152 total_packets_rx = 0; 153 154 const char clr[] = { 27, '[', '2', 'J', '\0' }; 155 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 156 157 /* Clear screen and move to top left */ 158 printf("%s%s", clr, topLeft); 159 160 printf("\nPort statistics ===================================="); 161 162 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 163 /* skip disabled ports */ 164 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 165 continue; 166 printf("\nStatistics for port %u ------------------------------" 167 "\nPackets sent: %24"PRIu64 168 "\nPackets received: %20"PRIu64 169 "\nPackets dropped: %21"PRIu64, 170 portid, 171 port_statistics[portid].tx, 172 port_statistics[portid].rx, 173 port_statistics[portid].dropped); 174 175 total_packets_dropped += port_statistics[portid].dropped; 176 total_packets_tx += port_statistics[portid].tx; 177 total_packets_rx += port_statistics[portid].rx; 178 } 179 printf("\nAggregate statistics ===============================" 180 "\nTotal packets sent: %18"PRIu64 181 "\nTotal packets received: %14"PRIu64 182 "\nTotal packets dropped: %15"PRIu64, 183 total_packets_tx, 184 total_packets_rx, 185 total_packets_dropped); 186 printf("\n====================================================\n"); 187 } 188 189 /* Send the burst of packets on an output interface */ 190 static int 191 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) 192 { 193 struct rte_mbuf **m_table; 194 unsigned ret; 195 unsigned queueid =0; 196 197 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 198 199 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); 200 port_statistics[port].tx += ret; 201 if (unlikely(ret < n)) { 202 port_statistics[port].dropped += (n - ret); 203 do { 204 rte_pktmbuf_free(m_table[ret]); 205 } while (++ret < n); 206 } 207 208 return 0; 209 } 210 211 /* Enqueue packets for TX and prepare them to be sent */ 212 static int 213 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port) 214 { 215 unsigned lcore_id, len; 216 struct lcore_queue_conf *qconf; 217 218 lcore_id = rte_lcore_id(); 219 220 qconf = &lcore_queue_conf[lcore_id]; 221 len = qconf->tx_mbufs[port].len; 222 qconf->tx_mbufs[port].m_table[len] = m; 223 len++; 224 225 /* enough pkts to be sent */ 226 if (unlikely(len == MAX_PKT_BURST)) { 227 l2fwd_send_burst(qconf, MAX_PKT_BURST, port); 228 len = 0; 229 } 230 231 qconf->tx_mbufs[port].len = len; 232 return 0; 233 } 234 235 static void 236 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 237 { 238 struct ether_hdr *eth; 239 void *tmp; 240 unsigned dst_port; 241 242 dst_port = l2fwd_dst_ports[portid]; 243 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 244 245 /* 02:00:00:00:00:xx */ 246 tmp = ð->d_addr.addr_bytes[0]; 247 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 248 249 /* src addr */ 250 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 251 252 l2fwd_send_packet(m, (uint8_t) dst_port); 253 } 254 255 /* main processing loop */ 256 static void 257 l2fwd_main_loop(void) 258 { 259 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 260 struct rte_mbuf *m; 261 unsigned lcore_id; 262 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 263 unsigned i, j, portid, nb_rx; 264 struct lcore_queue_conf *qconf; 265 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 266 267 prev_tsc = 0; 268 timer_tsc = 0; 269 270 lcore_id = rte_lcore_id(); 271 qconf = &lcore_queue_conf[lcore_id]; 272 273 if (qconf->n_rx_port == 0) { 274 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 275 return; 276 } 277 278 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 279 280 for (i = 0; i < qconf->n_rx_port; i++) { 281 282 portid = qconf->rx_port_list[i]; 283 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 284 portid); 285 } 286 287 while (1) { 288 289 cur_tsc = rte_rdtsc(); 290 291 /* 292 * TX burst queue drain 293 */ 294 diff_tsc = cur_tsc - prev_tsc; 295 if (unlikely(diff_tsc > drain_tsc)) { 296 297 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 298 if (qconf->tx_mbufs[portid].len == 0) 299 continue; 300 l2fwd_send_burst(&lcore_queue_conf[lcore_id], 301 qconf->tx_mbufs[portid].len, 302 (uint8_t) portid); 303 qconf->tx_mbufs[portid].len = 0; 304 } 305 306 /* if timer is enabled */ 307 if (timer_period > 0) { 308 309 /* advance the timer */ 310 timer_tsc += diff_tsc; 311 312 /* if timer has reached its timeout */ 313 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 314 315 /* do this only on master core */ 316 if (lcore_id == rte_get_master_lcore()) { 317 print_stats(); 318 /* reset the timer */ 319 timer_tsc = 0; 320 } 321 } 322 } 323 324 prev_tsc = cur_tsc; 325 } 326 327 /* 328 * Read packet from RX queues 329 */ 330 for (i = 0; i < qconf->n_rx_port; i++) { 331 332 portid = qconf->rx_port_list[i]; 333 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 334 pkts_burst, MAX_PKT_BURST); 335 336 port_statistics[portid].rx += nb_rx; 337 338 for (j = 0; j < nb_rx; j++) { 339 m = pkts_burst[j]; 340 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 341 l2fwd_simple_forward(m, portid); 342 } 343 } 344 } 345 } 346 347 static int 348 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 349 { 350 l2fwd_main_loop(); 351 return 0; 352 } 353 354 /* display usage */ 355 static void 356 l2fwd_usage(const char *prgname) 357 { 358 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 359 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 360 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 361 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 362 prgname); 363 } 364 365 static int 366 l2fwd_parse_portmask(const char *portmask) 367 { 368 char *end = NULL; 369 unsigned long pm; 370 371 /* parse hexadecimal string */ 372 pm = strtoul(portmask, &end, 16); 373 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 374 return -1; 375 376 if (pm == 0) 377 return -1; 378 379 return pm; 380 } 381 382 static unsigned int 383 l2fwd_parse_nqueue(const char *q_arg) 384 { 385 char *end = NULL; 386 unsigned long n; 387 388 /* parse hexadecimal string */ 389 n = strtoul(q_arg, &end, 10); 390 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 391 return 0; 392 if (n == 0) 393 return 0; 394 if (n >= MAX_RX_QUEUE_PER_LCORE) 395 return 0; 396 397 return n; 398 } 399 400 static int 401 l2fwd_parse_timer_period(const char *q_arg) 402 { 403 char *end = NULL; 404 int n; 405 406 /* parse number string */ 407 n = strtol(q_arg, &end, 10); 408 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 409 return -1; 410 if (n >= MAX_TIMER_PERIOD) 411 return -1; 412 413 return n; 414 } 415 416 /* Parse the argument given in the command line of the application */ 417 static int 418 l2fwd_parse_args(int argc, char **argv) 419 { 420 int opt, ret; 421 char **argvopt; 422 int option_index; 423 char *prgname = argv[0]; 424 static struct option lgopts[] = { 425 {NULL, 0, 0, 0} 426 }; 427 428 argvopt = argv; 429 430 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 431 lgopts, &option_index)) != EOF) { 432 433 switch (opt) { 434 /* portmask */ 435 case 'p': 436 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 437 if (l2fwd_enabled_port_mask == 0) { 438 printf("invalid portmask\n"); 439 l2fwd_usage(prgname); 440 return -1; 441 } 442 break; 443 444 /* nqueue */ 445 case 'q': 446 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 447 if (l2fwd_rx_queue_per_lcore == 0) { 448 printf("invalid queue number\n"); 449 l2fwd_usage(prgname); 450 return -1; 451 } 452 break; 453 454 /* timer period */ 455 case 'T': 456 timer_period = l2fwd_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 457 if (timer_period < 0) { 458 printf("invalid timer period\n"); 459 l2fwd_usage(prgname); 460 return -1; 461 } 462 break; 463 464 /* long options */ 465 case 0: 466 l2fwd_usage(prgname); 467 return -1; 468 469 default: 470 l2fwd_usage(prgname); 471 return -1; 472 } 473 } 474 475 if (optind >= 0) 476 argv[optind-1] = prgname; 477 478 ret = optind-1; 479 optind = 0; /* reset getopt lib */ 480 return ret; 481 } 482 483 /* Check the link status of all ports in up to 9s, and print them finally */ 484 static void 485 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 486 { 487 #define CHECK_INTERVAL 100 /* 100ms */ 488 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 489 uint8_t portid, count, all_ports_up, print_flag = 0; 490 struct rte_eth_link link; 491 492 printf("\nChecking link status"); 493 fflush(stdout); 494 for (count = 0; count <= MAX_CHECK_TIME; count++) { 495 all_ports_up = 1; 496 for (portid = 0; portid < port_num; portid++) { 497 if ((port_mask & (1 << portid)) == 0) 498 continue; 499 memset(&link, 0, sizeof(link)); 500 rte_eth_link_get_nowait(portid, &link); 501 /* print link status if flag set */ 502 if (print_flag == 1) { 503 if (link.link_status) 504 printf("Port %d Link Up - speed %u " 505 "Mbps - %s\n", (uint8_t)portid, 506 (unsigned)link.link_speed, 507 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 508 ("full-duplex") : ("half-duplex\n")); 509 else 510 printf("Port %d Link Down\n", 511 (uint8_t)portid); 512 continue; 513 } 514 /* clear all_ports_up flag if any link down */ 515 if (link.link_status == 0) { 516 all_ports_up = 0; 517 break; 518 } 519 } 520 /* after finally printing all link status, get out */ 521 if (print_flag == 1) 522 break; 523 524 if (all_ports_up == 0) { 525 printf("."); 526 fflush(stdout); 527 rte_delay_ms(CHECK_INTERVAL); 528 } 529 530 /* set the print_flag if all ports up or timeout */ 531 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 532 print_flag = 1; 533 printf("done\n"); 534 } 535 } 536 } 537 538 int 539 main(int argc, char **argv) 540 { 541 struct lcore_queue_conf *qconf; 542 struct rte_eth_dev_info dev_info; 543 int ret; 544 uint8_t nb_ports; 545 uint8_t nb_ports_available; 546 uint8_t portid, last_port; 547 unsigned lcore_id, rx_lcore_id; 548 unsigned nb_ports_in_mask = 0; 549 550 /* init EAL */ 551 ret = rte_eal_init(argc, argv); 552 if (ret < 0) 553 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 554 argc -= ret; 555 argv += ret; 556 557 /* parse application arguments (after the EAL ones) */ 558 ret = l2fwd_parse_args(argc, argv); 559 if (ret < 0) 560 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 561 562 /* create the mbuf pool */ 563 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 564 0, MBUF_DATA_SIZE, rte_socket_id()); 565 if (l2fwd_pktmbuf_pool == NULL) 566 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 567 568 nb_ports = rte_eth_dev_count(); 569 if (nb_ports == 0) 570 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 571 572 if (nb_ports > RTE_MAX_ETHPORTS) 573 nb_ports = RTE_MAX_ETHPORTS; 574 575 /* reset l2fwd_dst_ports */ 576 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 577 l2fwd_dst_ports[portid] = 0; 578 last_port = 0; 579 580 /* 581 * Each logical core is assigned a dedicated TX queue on each port. 582 */ 583 for (portid = 0; portid < nb_ports; portid++) { 584 /* skip ports that are not enabled */ 585 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 586 continue; 587 588 if (nb_ports_in_mask % 2) { 589 l2fwd_dst_ports[portid] = last_port; 590 l2fwd_dst_ports[last_port] = portid; 591 } 592 else 593 last_port = portid; 594 595 nb_ports_in_mask++; 596 597 rte_eth_dev_info_get(portid, &dev_info); 598 } 599 if (nb_ports_in_mask % 2) { 600 printf("Notice: odd number of ports in portmask.\n"); 601 l2fwd_dst_ports[last_port] = last_port; 602 } 603 604 rx_lcore_id = 0; 605 qconf = NULL; 606 607 /* Initialize the port/queue configuration of each logical core */ 608 for (portid = 0; portid < nb_ports; portid++) { 609 /* skip ports that are not enabled */ 610 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 611 continue; 612 613 /* get the lcore_id for this port */ 614 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 615 lcore_queue_conf[rx_lcore_id].n_rx_port == 616 l2fwd_rx_queue_per_lcore) { 617 rx_lcore_id++; 618 if (rx_lcore_id >= RTE_MAX_LCORE) 619 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 620 } 621 622 if (qconf != &lcore_queue_conf[rx_lcore_id]) 623 /* Assigned a new logical core in the loop above. */ 624 qconf = &lcore_queue_conf[rx_lcore_id]; 625 626 qconf->rx_port_list[qconf->n_rx_port] = portid; 627 qconf->n_rx_port++; 628 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); 629 } 630 631 nb_ports_available = nb_ports; 632 633 /* Initialise each port */ 634 for (portid = 0; portid < nb_ports; portid++) { 635 /* skip ports that are not enabled */ 636 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 637 printf("Skipping disabled port %u\n", (unsigned) portid); 638 nb_ports_available--; 639 continue; 640 } 641 /* init port */ 642 printf("Initializing port %u... ", (unsigned) portid); 643 fflush(stdout); 644 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 645 if (ret < 0) 646 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 647 ret, (unsigned) portid); 648 649 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 650 651 /* init one RX queue */ 652 fflush(stdout); 653 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 654 rte_eth_dev_socket_id(portid), 655 NULL, 656 l2fwd_pktmbuf_pool); 657 if (ret < 0) 658 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 659 ret, (unsigned) portid); 660 661 /* init one TX queue on each port */ 662 fflush(stdout); 663 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 664 rte_eth_dev_socket_id(portid), 665 NULL); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 668 ret, (unsigned) portid); 669 670 /* Start device */ 671 ret = rte_eth_dev_start(portid); 672 if (ret < 0) 673 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 674 ret, (unsigned) portid); 675 676 printf("done: \n"); 677 678 rte_eth_promiscuous_enable(portid); 679 680 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 681 (unsigned) portid, 682 l2fwd_ports_eth_addr[portid].addr_bytes[0], 683 l2fwd_ports_eth_addr[portid].addr_bytes[1], 684 l2fwd_ports_eth_addr[portid].addr_bytes[2], 685 l2fwd_ports_eth_addr[portid].addr_bytes[3], 686 l2fwd_ports_eth_addr[portid].addr_bytes[4], 687 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 688 689 /* initialize port stats */ 690 memset(&port_statistics, 0, sizeof(port_statistics)); 691 } 692 693 if (!nb_ports_available) { 694 rte_exit(EXIT_FAILURE, 695 "All available ports are disabled. Please set portmask.\n"); 696 } 697 698 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 699 700 /* launch per-lcore init on every lcore */ 701 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 702 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 703 if (rte_eal_wait_lcore(lcore_id) < 0) 704 return -1; 705 } 706 707 return 0; 708 } 709 710