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_mempool.h> 72 #include <rte_mbuf.h> 73 74 static volatile bool force_quit; 75 76 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 77 78 #define NB_MBUF 8192 79 80 #define MAX_PKT_BURST 32 81 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 82 #define MEMPOOL_CACHE_SIZE 256 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 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 138 /* A tsc-based timer responsible for triggering statistics printout */ 139 static uint64_t timer_period = 10; /* default period is 10 seconds */ 140 141 /* Print out statistics on packets dropped */ 142 static void 143 print_stats(void) 144 { 145 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 146 unsigned portid; 147 148 total_packets_dropped = 0; 149 total_packets_tx = 0; 150 total_packets_rx = 0; 151 152 const char clr[] = { 27, '[', '2', 'J', '\0' }; 153 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 154 155 /* Clear screen and move to top left */ 156 printf("%s%s", clr, topLeft); 157 158 printf("\nPort statistics ===================================="); 159 160 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 161 /* skip disabled ports */ 162 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 163 continue; 164 printf("\nStatistics for port %u ------------------------------" 165 "\nPackets sent: %24"PRIu64 166 "\nPackets received: %20"PRIu64 167 "\nPackets dropped: %21"PRIu64, 168 portid, 169 port_statistics[portid].tx, 170 port_statistics[portid].rx, 171 port_statistics[portid].dropped); 172 173 total_packets_dropped += port_statistics[portid].dropped; 174 total_packets_tx += port_statistics[portid].tx; 175 total_packets_rx += port_statistics[portid].rx; 176 } 177 printf("\nAggregate statistics ===============================" 178 "\nTotal packets sent: %18"PRIu64 179 "\nTotal packets received: %14"PRIu64 180 "\nTotal packets dropped: %15"PRIu64, 181 total_packets_tx, 182 total_packets_rx, 183 total_packets_dropped); 184 printf("\n====================================================\n"); 185 } 186 187 static void 188 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 189 { 190 struct ether_hdr *eth; 191 void *tmp; 192 unsigned dst_port; 193 int sent; 194 struct rte_eth_dev_tx_buffer *buffer; 195 196 dst_port = l2fwd_dst_ports[portid]; 197 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 198 199 /* 02:00:00:00:00:xx */ 200 tmp = ð->d_addr.addr_bytes[0]; 201 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 202 203 /* src addr */ 204 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 205 206 buffer = tx_buffer[dst_port]; 207 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 208 if (sent) 209 port_statistics[dst_port].tx += sent; 210 } 211 212 /* main processing loop */ 213 static void 214 l2fwd_main_loop(void) 215 { 216 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 217 struct rte_mbuf *m; 218 int sent; 219 unsigned lcore_id; 220 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 221 unsigned i, j, portid, nb_rx; 222 struct lcore_queue_conf *qconf; 223 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 224 BURST_TX_DRAIN_US; 225 struct rte_eth_dev_tx_buffer *buffer; 226 227 prev_tsc = 0; 228 timer_tsc = 0; 229 230 lcore_id = rte_lcore_id(); 231 qconf = &lcore_queue_conf[lcore_id]; 232 233 if (qconf->n_rx_port == 0) { 234 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 235 return; 236 } 237 238 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 239 240 for (i = 0; i < qconf->n_rx_port; i++) { 241 242 portid = qconf->rx_port_list[i]; 243 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 244 portid); 245 246 } 247 248 while (!force_quit) { 249 250 cur_tsc = rte_rdtsc(); 251 252 /* 253 * TX burst queue drain 254 */ 255 diff_tsc = cur_tsc - prev_tsc; 256 if (unlikely(diff_tsc > drain_tsc)) { 257 258 for (i = 0; i < qconf->n_rx_port; i++) { 259 260 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 261 buffer = tx_buffer[portid]; 262 263 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 264 if (sent) 265 port_statistics[portid].tx += sent; 266 267 } 268 269 /* if timer is enabled */ 270 if (timer_period > 0) { 271 272 /* advance the timer */ 273 timer_tsc += diff_tsc; 274 275 /* if timer has reached its timeout */ 276 if (unlikely(timer_tsc >= timer_period)) { 277 278 /* do this only on master core */ 279 if (lcore_id == rte_get_master_lcore()) { 280 print_stats(); 281 /* reset the timer */ 282 timer_tsc = 0; 283 } 284 } 285 } 286 287 prev_tsc = cur_tsc; 288 } 289 290 /* 291 * Read packet from RX queues 292 */ 293 for (i = 0; i < qconf->n_rx_port; i++) { 294 295 portid = qconf->rx_port_list[i]; 296 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 297 pkts_burst, MAX_PKT_BURST); 298 299 port_statistics[portid].rx += nb_rx; 300 301 for (j = 0; j < nb_rx; j++) { 302 m = pkts_burst[j]; 303 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 304 l2fwd_simple_forward(m, portid); 305 } 306 } 307 } 308 } 309 310 static int 311 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 312 { 313 l2fwd_main_loop(); 314 return 0; 315 } 316 317 /* display usage */ 318 static void 319 l2fwd_usage(const char *prgname) 320 { 321 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 322 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 323 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 324 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 325 prgname); 326 } 327 328 static int 329 l2fwd_parse_portmask(const char *portmask) 330 { 331 char *end = NULL; 332 unsigned long pm; 333 334 /* parse hexadecimal string */ 335 pm = strtoul(portmask, &end, 16); 336 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 337 return -1; 338 339 if (pm == 0) 340 return -1; 341 342 return pm; 343 } 344 345 static unsigned int 346 l2fwd_parse_nqueue(const char *q_arg) 347 { 348 char *end = NULL; 349 unsigned long n; 350 351 /* parse hexadecimal string */ 352 n = strtoul(q_arg, &end, 10); 353 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 354 return 0; 355 if (n == 0) 356 return 0; 357 if (n >= MAX_RX_QUEUE_PER_LCORE) 358 return 0; 359 360 return n; 361 } 362 363 static int 364 l2fwd_parse_timer_period(const char *q_arg) 365 { 366 char *end = NULL; 367 int n; 368 369 /* parse number string */ 370 n = strtol(q_arg, &end, 10); 371 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 372 return -1; 373 if (n >= MAX_TIMER_PERIOD) 374 return -1; 375 376 return n; 377 } 378 379 /* Parse the argument given in the command line of the application */ 380 static int 381 l2fwd_parse_args(int argc, char **argv) 382 { 383 int opt, ret, timer_secs; 384 char **argvopt; 385 int option_index; 386 char *prgname = argv[0]; 387 static struct option lgopts[] = { 388 {NULL, 0, 0, 0} 389 }; 390 391 argvopt = argv; 392 393 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 394 lgopts, &option_index)) != EOF) { 395 396 switch (opt) { 397 /* portmask */ 398 case 'p': 399 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 400 if (l2fwd_enabled_port_mask == 0) { 401 printf("invalid portmask\n"); 402 l2fwd_usage(prgname); 403 return -1; 404 } 405 break; 406 407 /* nqueue */ 408 case 'q': 409 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 410 if (l2fwd_rx_queue_per_lcore == 0) { 411 printf("invalid queue number\n"); 412 l2fwd_usage(prgname); 413 return -1; 414 } 415 break; 416 417 /* timer period */ 418 case 'T': 419 timer_secs = l2fwd_parse_timer_period(optarg); 420 if (timer_secs < 0) { 421 printf("invalid timer period\n"); 422 l2fwd_usage(prgname); 423 return -1; 424 } 425 timer_period = timer_secs; 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 == ETH_LINK_DOWN) { 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 /* convert to number of cycles */ 545 timer_period *= rte_get_timer_hz(); 546 547 /* create the mbuf pool */ 548 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 549 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 550 rte_socket_id()); 551 if (l2fwd_pktmbuf_pool == NULL) 552 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 553 554 nb_ports = rte_eth_dev_count(); 555 if (nb_ports == 0) 556 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 557 558 /* reset l2fwd_dst_ports */ 559 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 560 l2fwd_dst_ports[portid] = 0; 561 last_port = 0; 562 563 /* 564 * Each logical core is assigned a dedicated TX queue on each port. 565 */ 566 for (portid = 0; portid < nb_ports; portid++) { 567 /* skip ports that are not enabled */ 568 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 569 continue; 570 571 if (nb_ports_in_mask % 2) { 572 l2fwd_dst_ports[portid] = last_port; 573 l2fwd_dst_ports[last_port] = portid; 574 } 575 else 576 last_port = portid; 577 578 nb_ports_in_mask++; 579 580 rte_eth_dev_info_get(portid, &dev_info); 581 } 582 if (nb_ports_in_mask % 2) { 583 printf("Notice: odd number of ports in portmask.\n"); 584 l2fwd_dst_ports[last_port] = last_port; 585 } 586 587 rx_lcore_id = 0; 588 qconf = NULL; 589 590 /* Initialize the port/queue configuration of each logical core */ 591 for (portid = 0; portid < nb_ports; portid++) { 592 /* skip ports that are not enabled */ 593 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 594 continue; 595 596 /* get the lcore_id for this port */ 597 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 598 lcore_queue_conf[rx_lcore_id].n_rx_port == 599 l2fwd_rx_queue_per_lcore) { 600 rx_lcore_id++; 601 if (rx_lcore_id >= RTE_MAX_LCORE) 602 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 603 } 604 605 if (qconf != &lcore_queue_conf[rx_lcore_id]) 606 /* Assigned a new logical core in the loop above. */ 607 qconf = &lcore_queue_conf[rx_lcore_id]; 608 609 qconf->rx_port_list[qconf->n_rx_port] = portid; 610 qconf->n_rx_port++; 611 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); 612 } 613 614 nb_ports_available = nb_ports; 615 616 /* Initialise each port */ 617 for (portid = 0; portid < nb_ports; portid++) { 618 /* skip ports that are not enabled */ 619 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 620 printf("Skipping disabled port %u\n", (unsigned) portid); 621 nb_ports_available--; 622 continue; 623 } 624 /* init port */ 625 printf("Initializing port %u... ", (unsigned) portid); 626 fflush(stdout); 627 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 628 if (ret < 0) 629 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 630 ret, (unsigned) portid); 631 632 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 633 634 /* init one RX queue */ 635 fflush(stdout); 636 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 637 rte_eth_dev_socket_id(portid), 638 NULL, 639 l2fwd_pktmbuf_pool); 640 if (ret < 0) 641 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 642 ret, (unsigned) portid); 643 644 /* init one TX queue on each port */ 645 fflush(stdout); 646 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 647 rte_eth_dev_socket_id(portid), 648 NULL); 649 if (ret < 0) 650 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 651 ret, (unsigned) portid); 652 653 /* Initialize TX buffers */ 654 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 655 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 656 rte_eth_dev_socket_id(portid)); 657 if (tx_buffer[portid] == NULL) 658 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 659 (unsigned) portid); 660 661 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 662 663 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 664 rte_eth_tx_buffer_count_callback, 665 &port_statistics[portid].dropped); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 668 "tx buffer on port %u\n", (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 ret = 0; 701 /* launch per-lcore init on every lcore */ 702 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 703 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 704 if (rte_eal_wait_lcore(lcore_id) < 0) { 705 ret = -1; 706 break; 707 } 708 } 709 710 for (portid = 0; portid < nb_ports; portid++) { 711 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 712 continue; 713 printf("Closing port %d...", portid); 714 rte_eth_dev_stop(portid); 715 rte_eth_dev_close(portid); 716 printf(" Done\n"); 717 } 718 printf("Bye...\n"); 719 720 return ret; 721 } 722