1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2016 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 #include <signal.h> 48 #include <stdbool.h> 49 50 #include <rte_common.h> 51 #include <rte_log.h> 52 #include <rte_malloc.h> 53 #include <rte_memory.h> 54 #include <rte_memcpy.h> 55 #include <rte_memzone.h> 56 #include <rte_eal.h> 57 #include <rte_per_lcore.h> 58 #include <rte_launch.h> 59 #include <rte_atomic.h> 60 #include <rte_cycles.h> 61 #include <rte_prefetch.h> 62 #include <rte_lcore.h> 63 #include <rte_per_lcore.h> 64 #include <rte_branch_prediction.h> 65 #include <rte_interrupts.h> 66 #include <rte_pci.h> 67 #include <rte_random.h> 68 #include <rte_debug.h> 69 #include <rte_ether.h> 70 #include <rte_ethdev.h> 71 #include <rte_ring.h> 72 #include <rte_mempool.h> 73 #include <rte_mbuf.h> 74 75 static volatile bool force_quit; 76 77 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 78 79 #define NB_MBUF 8192 80 81 #define MAX_PKT_BURST 32 82 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 83 84 /* 85 * Configurable number of RX/TX ring descriptors 86 */ 87 #define RTE_TEST_RX_DESC_DEFAULT 128 88 #define RTE_TEST_TX_DESC_DEFAULT 512 89 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 90 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 91 92 /* ethernet addresses of ports */ 93 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 94 95 /* mask of enabled ports */ 96 static uint32_t l2fwd_enabled_port_mask = 0; 97 98 /* list of enabled ports */ 99 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 100 101 static unsigned int l2fwd_rx_queue_per_lcore = 1; 102 103 #define MAX_RX_QUEUE_PER_LCORE 16 104 #define MAX_TX_QUEUE_PER_PORT 16 105 struct lcore_queue_conf { 106 unsigned n_rx_port; 107 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 108 } __rte_cache_aligned; 109 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 110 111 static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 112 113 static const struct rte_eth_conf port_conf = { 114 .rxmode = { 115 .split_hdr_size = 0, 116 .header_split = 0, /**< Header Split disabled */ 117 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 118 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 119 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 120 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 121 }, 122 .txmode = { 123 .mq_mode = ETH_MQ_TX_NONE, 124 }, 125 }; 126 127 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 128 129 /* Per-port statistics struct */ 130 struct l2fwd_port_statistics { 131 uint64_t tx; 132 uint64_t rx; 133 uint64_t dropped; 134 } __rte_cache_aligned; 135 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 136 137 /* A tsc-based timer responsible for triggering statistics printout */ 138 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 139 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 140 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 141 142 /* Print out statistics on packets dropped */ 143 static void 144 print_stats(void) 145 { 146 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 147 unsigned portid; 148 149 total_packets_dropped = 0; 150 total_packets_tx = 0; 151 total_packets_rx = 0; 152 153 const char clr[] = { 27, '[', '2', 'J', '\0' }; 154 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 155 156 /* Clear screen and move to top left */ 157 printf("%s%s", clr, topLeft); 158 159 printf("\nPort statistics ===================================="); 160 161 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 162 /* skip disabled ports */ 163 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 164 continue; 165 printf("\nStatistics for port %u ------------------------------" 166 "\nPackets sent: %24"PRIu64 167 "\nPackets received: %20"PRIu64 168 "\nPackets dropped: %21"PRIu64, 169 portid, 170 port_statistics[portid].tx, 171 port_statistics[portid].rx, 172 port_statistics[portid].dropped); 173 174 total_packets_dropped += port_statistics[portid].dropped; 175 total_packets_tx += port_statistics[portid].tx; 176 total_packets_rx += port_statistics[portid].rx; 177 } 178 printf("\nAggregate statistics ===============================" 179 "\nTotal packets sent: %18"PRIu64 180 "\nTotal packets received: %14"PRIu64 181 "\nTotal packets dropped: %15"PRIu64, 182 total_packets_tx, 183 total_packets_rx, 184 total_packets_dropped); 185 printf("\n====================================================\n"); 186 } 187 188 static void 189 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 190 { 191 struct ether_hdr *eth; 192 void *tmp; 193 unsigned dst_port; 194 int sent; 195 struct rte_eth_dev_tx_buffer *buffer; 196 197 dst_port = l2fwd_dst_ports[portid]; 198 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 199 200 /* 02:00:00:00:00:xx */ 201 tmp = ð->d_addr.addr_bytes[0]; 202 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 203 204 /* src addr */ 205 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 206 207 buffer = tx_buffer[dst_port]; 208 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 209 if (sent) 210 port_statistics[dst_port].tx += sent; 211 } 212 213 /* main processing loop */ 214 static void 215 l2fwd_main_loop(void) 216 { 217 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 218 struct rte_mbuf *m; 219 int sent; 220 unsigned lcore_id; 221 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 222 unsigned i, j, portid, nb_rx; 223 struct lcore_queue_conf *qconf; 224 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 225 BURST_TX_DRAIN_US; 226 struct rte_eth_dev_tx_buffer *buffer; 227 228 prev_tsc = 0; 229 timer_tsc = 0; 230 231 lcore_id = rte_lcore_id(); 232 qconf = &lcore_queue_conf[lcore_id]; 233 234 if (qconf->n_rx_port == 0) { 235 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 236 return; 237 } 238 239 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 240 241 for (i = 0; i < qconf->n_rx_port; i++) { 242 243 portid = qconf->rx_port_list[i]; 244 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 245 portid); 246 247 } 248 249 while (!force_quit) { 250 251 cur_tsc = rte_rdtsc(); 252 253 /* 254 * TX burst queue drain 255 */ 256 diff_tsc = cur_tsc - prev_tsc; 257 if (unlikely(diff_tsc > drain_tsc)) { 258 259 for (i = 0; i < qconf->n_rx_port; i++) { 260 261 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 262 buffer = tx_buffer[portid]; 263 264 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 265 if (sent) 266 port_statistics[portid].tx += sent; 267 268 } 269 270 /* if timer is enabled */ 271 if (timer_period > 0) { 272 273 /* advance the timer */ 274 timer_tsc += diff_tsc; 275 276 /* if timer has reached its timeout */ 277 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 278 279 /* do this only on master core */ 280 if (lcore_id == rte_get_master_lcore()) { 281 print_stats(); 282 /* reset the timer */ 283 timer_tsc = 0; 284 } 285 } 286 } 287 288 prev_tsc = cur_tsc; 289 } 290 291 /* 292 * Read packet from RX queues 293 */ 294 for (i = 0; i < qconf->n_rx_port; i++) { 295 296 portid = qconf->rx_port_list[i]; 297 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 298 pkts_burst, MAX_PKT_BURST); 299 300 port_statistics[portid].rx += nb_rx; 301 302 for (j = 0; j < nb_rx; j++) { 303 m = pkts_burst[j]; 304 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 305 l2fwd_simple_forward(m, portid); 306 } 307 } 308 } 309 } 310 311 static int 312 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 313 { 314 l2fwd_main_loop(); 315 return 0; 316 } 317 318 /* display usage */ 319 static void 320 l2fwd_usage(const char *prgname) 321 { 322 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 323 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 324 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 325 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 326 prgname); 327 } 328 329 static int 330 l2fwd_parse_portmask(const char *portmask) 331 { 332 char *end = NULL; 333 unsigned long pm; 334 335 /* parse hexadecimal string */ 336 pm = strtoul(portmask, &end, 16); 337 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 338 return -1; 339 340 if (pm == 0) 341 return -1; 342 343 return pm; 344 } 345 346 static unsigned int 347 l2fwd_parse_nqueue(const char *q_arg) 348 { 349 char *end = NULL; 350 unsigned long n; 351 352 /* parse hexadecimal string */ 353 n = strtoul(q_arg, &end, 10); 354 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 355 return 0; 356 if (n == 0) 357 return 0; 358 if (n >= MAX_RX_QUEUE_PER_LCORE) 359 return 0; 360 361 return n; 362 } 363 364 static int 365 l2fwd_parse_timer_period(const char *q_arg) 366 { 367 char *end = NULL; 368 int n; 369 370 /* parse number string */ 371 n = strtol(q_arg, &end, 10); 372 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 373 return -1; 374 if (n >= MAX_TIMER_PERIOD) 375 return -1; 376 377 return n; 378 } 379 380 /* Parse the argument given in the command line of the application */ 381 static int 382 l2fwd_parse_args(int argc, char **argv) 383 { 384 int opt, ret; 385 char **argvopt; 386 int option_index; 387 char *prgname = argv[0]; 388 static struct option lgopts[] = { 389 {NULL, 0, 0, 0} 390 }; 391 392 argvopt = argv; 393 394 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 395 lgopts, &option_index)) != EOF) { 396 397 switch (opt) { 398 /* portmask */ 399 case 'p': 400 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 401 if (l2fwd_enabled_port_mask == 0) { 402 printf("invalid portmask\n"); 403 l2fwd_usage(prgname); 404 return -1; 405 } 406 break; 407 408 /* nqueue */ 409 case 'q': 410 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 411 if (l2fwd_rx_queue_per_lcore == 0) { 412 printf("invalid queue number\n"); 413 l2fwd_usage(prgname); 414 return -1; 415 } 416 break; 417 418 /* timer period */ 419 case 'T': 420 timer_period = l2fwd_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 421 if (timer_period < 0) { 422 printf("invalid timer period\n"); 423 l2fwd_usage(prgname); 424 return -1; 425 } 426 break; 427 428 /* long options */ 429 case 0: 430 l2fwd_usage(prgname); 431 return -1; 432 433 default: 434 l2fwd_usage(prgname); 435 return -1; 436 } 437 } 438 439 if (optind >= 0) 440 argv[optind-1] = prgname; 441 442 ret = optind-1; 443 optind = 0; /* reset getopt lib */ 444 return ret; 445 } 446 447 /* Check the link status of all ports in up to 9s, and print them finally */ 448 static void 449 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 450 { 451 #define CHECK_INTERVAL 100 /* 100ms */ 452 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 453 uint8_t portid, count, all_ports_up, print_flag = 0; 454 struct rte_eth_link link; 455 456 printf("\nChecking link status"); 457 fflush(stdout); 458 for (count = 0; count <= MAX_CHECK_TIME; count++) { 459 if (force_quit) 460 return; 461 all_ports_up = 1; 462 for (portid = 0; portid < port_num; portid++) { 463 if (force_quit) 464 return; 465 if ((port_mask & (1 << portid)) == 0) 466 continue; 467 memset(&link, 0, sizeof(link)); 468 rte_eth_link_get_nowait(portid, &link); 469 /* print link status if flag set */ 470 if (print_flag == 1) { 471 if (link.link_status) 472 printf("Port %d Link Up - speed %u " 473 "Mbps - %s\n", (uint8_t)portid, 474 (unsigned)link.link_speed, 475 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 476 ("full-duplex") : ("half-duplex\n")); 477 else 478 printf("Port %d Link Down\n", 479 (uint8_t)portid); 480 continue; 481 } 482 /* clear all_ports_up flag if any link down */ 483 if (link.link_status == 0) { 484 all_ports_up = 0; 485 break; 486 } 487 } 488 /* after finally printing all link status, get out */ 489 if (print_flag == 1) 490 break; 491 492 if (all_ports_up == 0) { 493 printf("."); 494 fflush(stdout); 495 rte_delay_ms(CHECK_INTERVAL); 496 } 497 498 /* set the print_flag if all ports up or timeout */ 499 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 500 print_flag = 1; 501 printf("done\n"); 502 } 503 } 504 } 505 506 static void 507 signal_handler(int signum) 508 { 509 if (signum == SIGINT || signum == SIGTERM) { 510 printf("\n\nSignal %d received, preparing to exit...\n", 511 signum); 512 force_quit = true; 513 } 514 } 515 516 int 517 main(int argc, char **argv) 518 { 519 struct lcore_queue_conf *qconf; 520 struct rte_eth_dev_info dev_info; 521 int ret; 522 uint8_t nb_ports; 523 uint8_t nb_ports_available; 524 uint8_t portid, last_port; 525 unsigned lcore_id, rx_lcore_id; 526 unsigned nb_ports_in_mask = 0; 527 528 /* init EAL */ 529 ret = rte_eal_init(argc, argv); 530 if (ret < 0) 531 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 532 argc -= ret; 533 argv += ret; 534 535 force_quit = false; 536 signal(SIGINT, signal_handler); 537 signal(SIGTERM, signal_handler); 538 539 /* parse application arguments (after the EAL ones) */ 540 ret = l2fwd_parse_args(argc, argv); 541 if (ret < 0) 542 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 543 544 /* create the mbuf pool */ 545 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 546 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 547 if (l2fwd_pktmbuf_pool == NULL) 548 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 549 550 nb_ports = rte_eth_dev_count(); 551 if (nb_ports == 0) 552 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 553 554 if (nb_ports > RTE_MAX_ETHPORTS) 555 nb_ports = RTE_MAX_ETHPORTS; 556 557 /* reset l2fwd_dst_ports */ 558 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 559 l2fwd_dst_ports[portid] = 0; 560 last_port = 0; 561 562 /* 563 * Each logical core is assigned a dedicated TX queue on each port. 564 */ 565 for (portid = 0; portid < nb_ports; portid++) { 566 /* skip ports that are not enabled */ 567 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 568 continue; 569 570 if (nb_ports_in_mask % 2) { 571 l2fwd_dst_ports[portid] = last_port; 572 l2fwd_dst_ports[last_port] = portid; 573 } 574 else 575 last_port = portid; 576 577 nb_ports_in_mask++; 578 579 rte_eth_dev_info_get(portid, &dev_info); 580 } 581 if (nb_ports_in_mask % 2) { 582 printf("Notice: odd number of ports in portmask.\n"); 583 l2fwd_dst_ports[last_port] = last_port; 584 } 585 586 rx_lcore_id = 0; 587 qconf = NULL; 588 589 /* Initialize the port/queue configuration of each logical core */ 590 for (portid = 0; portid < nb_ports; portid++) { 591 /* skip ports that are not enabled */ 592 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 593 continue; 594 595 /* get the lcore_id for this port */ 596 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 597 lcore_queue_conf[rx_lcore_id].n_rx_port == 598 l2fwd_rx_queue_per_lcore) { 599 rx_lcore_id++; 600 if (rx_lcore_id >= RTE_MAX_LCORE) 601 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 602 } 603 604 if (qconf != &lcore_queue_conf[rx_lcore_id]) 605 /* Assigned a new logical core in the loop above. */ 606 qconf = &lcore_queue_conf[rx_lcore_id]; 607 608 qconf->rx_port_list[qconf->n_rx_port] = portid; 609 qconf->n_rx_port++; 610 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); 611 } 612 613 nb_ports_available = nb_ports; 614 615 /* Initialise each port */ 616 for (portid = 0; portid < nb_ports; portid++) { 617 /* skip ports that are not enabled */ 618 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 619 printf("Skipping disabled port %u\n", (unsigned) portid); 620 nb_ports_available--; 621 continue; 622 } 623 /* init port */ 624 printf("Initializing port %u... ", (unsigned) portid); 625 fflush(stdout); 626 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 627 if (ret < 0) 628 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 629 ret, (unsigned) portid); 630 631 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 632 633 /* init one RX queue */ 634 fflush(stdout); 635 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 636 rte_eth_dev_socket_id(portid), 637 NULL, 638 l2fwd_pktmbuf_pool); 639 if (ret < 0) 640 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 641 ret, (unsigned) portid); 642 643 /* init one TX queue on each port */ 644 fflush(stdout); 645 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 646 rte_eth_dev_socket_id(portid), 647 NULL); 648 if (ret < 0) 649 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 650 ret, (unsigned) portid); 651 652 /* Initialize TX buffers */ 653 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 654 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 655 rte_eth_dev_socket_id(portid)); 656 if (tx_buffer[portid] == NULL) 657 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 658 (unsigned) portid); 659 660 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 661 662 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 663 rte_eth_tx_buffer_count_callback, 664 &port_statistics[portid].dropped); 665 if (ret < 0) 666 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 667 "tx buffer on port %u\n", (unsigned) portid); 668 669 /* Start device */ 670 ret = rte_eth_dev_start(portid); 671 if (ret < 0) 672 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 673 ret, (unsigned) portid); 674 675 printf("done: \n"); 676 677 rte_eth_promiscuous_enable(portid); 678 679 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 680 (unsigned) portid, 681 l2fwd_ports_eth_addr[portid].addr_bytes[0], 682 l2fwd_ports_eth_addr[portid].addr_bytes[1], 683 l2fwd_ports_eth_addr[portid].addr_bytes[2], 684 l2fwd_ports_eth_addr[portid].addr_bytes[3], 685 l2fwd_ports_eth_addr[portid].addr_bytes[4], 686 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 687 688 /* initialize port stats */ 689 memset(&port_statistics, 0, sizeof(port_statistics)); 690 } 691 692 if (!nb_ports_available) { 693 rte_exit(EXIT_FAILURE, 694 "All available ports are disabled. Please set portmask.\n"); 695 } 696 697 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 698 699 ret = 0; 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 ret = -1; 705 break; 706 } 707 } 708 709 for (portid = 0; portid < nb_ports; portid++) { 710 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 711 continue; 712 printf("Closing port %d...", portid); 713 rte_eth_dev_stop(portid); 714 rte_eth_dev_close(portid); 715 printf(" Done\n"); 716 } 717 printf("Bye...\n"); 718 719 return ret; 720 } 721