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 #include <signal.h> 48 #include <stdbool.h> 49 50 #include <rte_common.h> 51 #include <rte_log.h> 52 #include <rte_memory.h> 53 #include <rte_memcpy.h> 54 #include <rte_memzone.h> 55 #include <rte_eal.h> 56 #include <rte_per_lcore.h> 57 #include <rte_launch.h> 58 #include <rte_atomic.h> 59 #include <rte_cycles.h> 60 #include <rte_prefetch.h> 61 #include <rte_lcore.h> 62 #include <rte_per_lcore.h> 63 #include <rte_branch_prediction.h> 64 #include <rte_interrupts.h> 65 #include <rte_pci.h> 66 #include <rte_random.h> 67 #include <rte_debug.h> 68 #include <rte_ether.h> 69 #include <rte_ethdev.h> 70 #include <rte_ring.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 83 /* 84 * Configurable number of RX/TX ring descriptors 85 */ 86 #define RTE_TEST_RX_DESC_DEFAULT 128 87 #define RTE_TEST_TX_DESC_DEFAULT 512 88 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 89 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 90 91 /* ethernet addresses of ports */ 92 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 93 94 /* mask of enabled ports */ 95 static uint32_t l2fwd_enabled_port_mask = 0; 96 97 /* list of enabled ports */ 98 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 99 100 static unsigned int l2fwd_rx_queue_per_lcore = 1; 101 102 struct mbuf_table { 103 unsigned len; 104 struct rte_mbuf *m_table[MAX_PKT_BURST]; 105 }; 106 107 #define MAX_RX_QUEUE_PER_LCORE 16 108 #define MAX_TX_QUEUE_PER_PORT 16 109 struct lcore_queue_conf { 110 unsigned n_rx_port; 111 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 112 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; 113 114 } __rte_cache_aligned; 115 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 116 117 static const struct rte_eth_conf port_conf = { 118 .rxmode = { 119 .split_hdr_size = 0, 120 .header_split = 0, /**< Header Split disabled */ 121 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 122 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 123 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 124 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 125 }, 126 .txmode = { 127 .mq_mode = ETH_MQ_TX_NONE, 128 }, 129 }; 130 131 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 132 133 /* Per-port statistics struct */ 134 struct l2fwd_port_statistics { 135 uint64_t tx; 136 uint64_t rx; 137 uint64_t dropped; 138 } __rte_cache_aligned; 139 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 140 141 /* A tsc-based timer responsible for triggering statistics printout */ 142 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 143 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 144 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 145 146 /* Print out statistics on packets dropped */ 147 static void 148 print_stats(void) 149 { 150 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 151 unsigned portid; 152 153 total_packets_dropped = 0; 154 total_packets_tx = 0; 155 total_packets_rx = 0; 156 157 const char clr[] = { 27, '[', '2', 'J', '\0' }; 158 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 159 160 /* Clear screen and move to top left */ 161 printf("%s%s", clr, topLeft); 162 163 printf("\nPort statistics ===================================="); 164 165 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 166 /* skip disabled ports */ 167 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 168 continue; 169 printf("\nStatistics for port %u ------------------------------" 170 "\nPackets sent: %24"PRIu64 171 "\nPackets received: %20"PRIu64 172 "\nPackets dropped: %21"PRIu64, 173 portid, 174 port_statistics[portid].tx, 175 port_statistics[portid].rx, 176 port_statistics[portid].dropped); 177 178 total_packets_dropped += port_statistics[portid].dropped; 179 total_packets_tx += port_statistics[portid].tx; 180 total_packets_rx += port_statistics[portid].rx; 181 } 182 printf("\nAggregate statistics ===============================" 183 "\nTotal packets sent: %18"PRIu64 184 "\nTotal packets received: %14"PRIu64 185 "\nTotal packets dropped: %15"PRIu64, 186 total_packets_tx, 187 total_packets_rx, 188 total_packets_dropped); 189 printf("\n====================================================\n"); 190 } 191 192 /* Send the burst of packets on an output interface */ 193 static int 194 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) 195 { 196 struct rte_mbuf **m_table; 197 unsigned ret; 198 unsigned queueid =0; 199 200 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 201 202 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); 203 port_statistics[port].tx += ret; 204 if (unlikely(ret < n)) { 205 port_statistics[port].dropped += (n - ret); 206 do { 207 rte_pktmbuf_free(m_table[ret]); 208 } while (++ret < n); 209 } 210 211 return 0; 212 } 213 214 /* Enqueue packets for TX and prepare them to be sent */ 215 static int 216 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port) 217 { 218 unsigned lcore_id, len; 219 struct lcore_queue_conf *qconf; 220 221 lcore_id = rte_lcore_id(); 222 223 qconf = &lcore_queue_conf[lcore_id]; 224 len = qconf->tx_mbufs[port].len; 225 qconf->tx_mbufs[port].m_table[len] = m; 226 len++; 227 228 /* enough pkts to be sent */ 229 if (unlikely(len == MAX_PKT_BURST)) { 230 l2fwd_send_burst(qconf, MAX_PKT_BURST, port); 231 len = 0; 232 } 233 234 qconf->tx_mbufs[port].len = len; 235 return 0; 236 } 237 238 static void 239 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 240 { 241 struct ether_hdr *eth; 242 void *tmp; 243 unsigned dst_port; 244 245 dst_port = l2fwd_dst_ports[portid]; 246 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 247 248 /* 02:00:00:00:00:xx */ 249 tmp = ð->d_addr.addr_bytes[0]; 250 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 251 252 /* src addr */ 253 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 254 255 l2fwd_send_packet(m, (uint8_t) dst_port); 256 } 257 258 /* main processing loop */ 259 static void 260 l2fwd_main_loop(void) 261 { 262 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 263 struct rte_mbuf *m; 264 unsigned lcore_id; 265 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 266 unsigned i, j, portid, nb_rx; 267 struct lcore_queue_conf *qconf; 268 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 269 270 prev_tsc = 0; 271 timer_tsc = 0; 272 273 lcore_id = rte_lcore_id(); 274 qconf = &lcore_queue_conf[lcore_id]; 275 276 if (qconf->n_rx_port == 0) { 277 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 278 return; 279 } 280 281 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 282 283 for (i = 0; i < qconf->n_rx_port; i++) { 284 285 portid = qconf->rx_port_list[i]; 286 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 287 portid); 288 } 289 290 while (!force_quit) { 291 292 cur_tsc = rte_rdtsc(); 293 294 /* 295 * TX burst queue drain 296 */ 297 diff_tsc = cur_tsc - prev_tsc; 298 if (unlikely(diff_tsc > drain_tsc)) { 299 300 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 301 if (qconf->tx_mbufs[portid].len == 0) 302 continue; 303 l2fwd_send_burst(&lcore_queue_conf[lcore_id], 304 qconf->tx_mbufs[portid].len, 305 (uint8_t) portid); 306 qconf->tx_mbufs[portid].len = 0; 307 } 308 309 /* if timer is enabled */ 310 if (timer_period > 0) { 311 312 /* advance the timer */ 313 timer_tsc += diff_tsc; 314 315 /* if timer has reached its timeout */ 316 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 317 318 /* do this only on master core */ 319 if (lcore_id == rte_get_master_lcore()) { 320 print_stats(); 321 /* reset the timer */ 322 timer_tsc = 0; 323 } 324 } 325 } 326 327 prev_tsc = cur_tsc; 328 } 329 330 /* 331 * Read packet from RX queues 332 */ 333 for (i = 0; i < qconf->n_rx_port; i++) { 334 335 portid = qconf->rx_port_list[i]; 336 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 337 pkts_burst, MAX_PKT_BURST); 338 339 port_statistics[portid].rx += nb_rx; 340 341 for (j = 0; j < nb_rx; j++) { 342 m = pkts_burst[j]; 343 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 344 l2fwd_simple_forward(m, portid); 345 } 346 } 347 } 348 } 349 350 static int 351 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 352 { 353 l2fwd_main_loop(); 354 return 0; 355 } 356 357 /* display usage */ 358 static void 359 l2fwd_usage(const char *prgname) 360 { 361 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 362 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 363 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 364 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 365 prgname); 366 } 367 368 static int 369 l2fwd_parse_portmask(const char *portmask) 370 { 371 char *end = NULL; 372 unsigned long pm; 373 374 /* parse hexadecimal string */ 375 pm = strtoul(portmask, &end, 16); 376 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 377 return -1; 378 379 if (pm == 0) 380 return -1; 381 382 return pm; 383 } 384 385 static unsigned int 386 l2fwd_parse_nqueue(const char *q_arg) 387 { 388 char *end = NULL; 389 unsigned long n; 390 391 /* parse hexadecimal string */ 392 n = strtoul(q_arg, &end, 10); 393 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 394 return 0; 395 if (n == 0) 396 return 0; 397 if (n >= MAX_RX_QUEUE_PER_LCORE) 398 return 0; 399 400 return n; 401 } 402 403 static int 404 l2fwd_parse_timer_period(const char *q_arg) 405 { 406 char *end = NULL; 407 int n; 408 409 /* parse number string */ 410 n = strtol(q_arg, &end, 10); 411 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 412 return -1; 413 if (n >= MAX_TIMER_PERIOD) 414 return -1; 415 416 return n; 417 } 418 419 /* Parse the argument given in the command line of the application */ 420 static int 421 l2fwd_parse_args(int argc, char **argv) 422 { 423 int opt, ret; 424 char **argvopt; 425 int option_index; 426 char *prgname = argv[0]; 427 static struct option lgopts[] = { 428 {NULL, 0, 0, 0} 429 }; 430 431 argvopt = argv; 432 433 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 434 lgopts, &option_index)) != EOF) { 435 436 switch (opt) { 437 /* portmask */ 438 case 'p': 439 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 440 if (l2fwd_enabled_port_mask == 0) { 441 printf("invalid portmask\n"); 442 l2fwd_usage(prgname); 443 return -1; 444 } 445 break; 446 447 /* nqueue */ 448 case 'q': 449 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 450 if (l2fwd_rx_queue_per_lcore == 0) { 451 printf("invalid queue number\n"); 452 l2fwd_usage(prgname); 453 return -1; 454 } 455 break; 456 457 /* timer period */ 458 case 'T': 459 timer_period = l2fwd_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 460 if (timer_period < 0) { 461 printf("invalid timer period\n"); 462 l2fwd_usage(prgname); 463 return -1; 464 } 465 break; 466 467 /* long options */ 468 case 0: 469 l2fwd_usage(prgname); 470 return -1; 471 472 default: 473 l2fwd_usage(prgname); 474 return -1; 475 } 476 } 477 478 if (optind >= 0) 479 argv[optind-1] = prgname; 480 481 ret = optind-1; 482 optind = 0; /* reset getopt lib */ 483 return ret; 484 } 485 486 /* Check the link status of all ports in up to 9s, and print them finally */ 487 static void 488 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 489 { 490 #define CHECK_INTERVAL 100 /* 100ms */ 491 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 492 uint8_t portid, count, all_ports_up, print_flag = 0; 493 struct rte_eth_link link; 494 495 printf("\nChecking link status"); 496 fflush(stdout); 497 for (count = 0; count <= MAX_CHECK_TIME; count++) { 498 if (force_quit) 499 return; 500 all_ports_up = 1; 501 for (portid = 0; portid < port_num; portid++) { 502 if (force_quit) 503 return; 504 if ((port_mask & (1 << portid)) == 0) 505 continue; 506 memset(&link, 0, sizeof(link)); 507 rte_eth_link_get_nowait(portid, &link); 508 /* print link status if flag set */ 509 if (print_flag == 1) { 510 if (link.link_status) 511 printf("Port %d Link Up - speed %u " 512 "Mbps - %s\n", (uint8_t)portid, 513 (unsigned)link.link_speed, 514 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 515 ("full-duplex") : ("half-duplex\n")); 516 else 517 printf("Port %d Link Down\n", 518 (uint8_t)portid); 519 continue; 520 } 521 /* clear all_ports_up flag if any link down */ 522 if (link.link_status == 0) { 523 all_ports_up = 0; 524 break; 525 } 526 } 527 /* after finally printing all link status, get out */ 528 if (print_flag == 1) 529 break; 530 531 if (all_ports_up == 0) { 532 printf("."); 533 fflush(stdout); 534 rte_delay_ms(CHECK_INTERVAL); 535 } 536 537 /* set the print_flag if all ports up or timeout */ 538 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 539 print_flag = 1; 540 printf("done\n"); 541 } 542 } 543 } 544 545 static void 546 signal_handler(int signum) 547 { 548 if (signum == SIGINT || signum == SIGTERM) { 549 printf("\n\nSignal %d received, preparing to exit...\n", 550 signum); 551 force_quit = true; 552 } 553 } 554 555 int 556 main(int argc, char **argv) 557 { 558 struct lcore_queue_conf *qconf; 559 struct rte_eth_dev_info dev_info; 560 int ret; 561 uint8_t nb_ports; 562 uint8_t nb_ports_available; 563 uint8_t portid, last_port; 564 unsigned lcore_id, rx_lcore_id; 565 unsigned nb_ports_in_mask = 0; 566 567 /* init EAL */ 568 ret = rte_eal_init(argc, argv); 569 if (ret < 0) 570 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 571 argc -= ret; 572 argv += ret; 573 574 force_quit = false; 575 signal(SIGINT, signal_handler); 576 signal(SIGTERM, signal_handler); 577 578 /* parse application arguments (after the EAL ones) */ 579 ret = l2fwd_parse_args(argc, argv); 580 if (ret < 0) 581 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 582 583 /* create the mbuf pool */ 584 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 585 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 586 if (l2fwd_pktmbuf_pool == NULL) 587 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 588 589 nb_ports = rte_eth_dev_count(); 590 if (nb_ports == 0) 591 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 592 593 if (nb_ports > RTE_MAX_ETHPORTS) 594 nb_ports = RTE_MAX_ETHPORTS; 595 596 /* reset l2fwd_dst_ports */ 597 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 598 l2fwd_dst_ports[portid] = 0; 599 last_port = 0; 600 601 /* 602 * Each logical core is assigned a dedicated TX queue on each port. 603 */ 604 for (portid = 0; portid < nb_ports; portid++) { 605 /* skip ports that are not enabled */ 606 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 607 continue; 608 609 if (nb_ports_in_mask % 2) { 610 l2fwd_dst_ports[portid] = last_port; 611 l2fwd_dst_ports[last_port] = portid; 612 } 613 else 614 last_port = portid; 615 616 nb_ports_in_mask++; 617 618 rte_eth_dev_info_get(portid, &dev_info); 619 } 620 if (nb_ports_in_mask % 2) { 621 printf("Notice: odd number of ports in portmask.\n"); 622 l2fwd_dst_ports[last_port] = last_port; 623 } 624 625 rx_lcore_id = 0; 626 qconf = NULL; 627 628 /* Initialize the port/queue configuration of each logical core */ 629 for (portid = 0; portid < nb_ports; portid++) { 630 /* skip ports that are not enabled */ 631 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 632 continue; 633 634 /* get the lcore_id for this port */ 635 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 636 lcore_queue_conf[rx_lcore_id].n_rx_port == 637 l2fwd_rx_queue_per_lcore) { 638 rx_lcore_id++; 639 if (rx_lcore_id >= RTE_MAX_LCORE) 640 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 641 } 642 643 if (qconf != &lcore_queue_conf[rx_lcore_id]) 644 /* Assigned a new logical core in the loop above. */ 645 qconf = &lcore_queue_conf[rx_lcore_id]; 646 647 qconf->rx_port_list[qconf->n_rx_port] = portid; 648 qconf->n_rx_port++; 649 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid); 650 } 651 652 nb_ports_available = nb_ports; 653 654 /* Initialise each port */ 655 for (portid = 0; portid < nb_ports; portid++) { 656 /* skip ports that are not enabled */ 657 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 658 printf("Skipping disabled port %u\n", (unsigned) portid); 659 nb_ports_available--; 660 continue; 661 } 662 /* init port */ 663 printf("Initializing port %u... ", (unsigned) portid); 664 fflush(stdout); 665 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 668 ret, (unsigned) portid); 669 670 rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]); 671 672 /* init one RX queue */ 673 fflush(stdout); 674 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 675 rte_eth_dev_socket_id(portid), 676 NULL, 677 l2fwd_pktmbuf_pool); 678 if (ret < 0) 679 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 680 ret, (unsigned) portid); 681 682 /* init one TX queue on each port */ 683 fflush(stdout); 684 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 685 rte_eth_dev_socket_id(portid), 686 NULL); 687 if (ret < 0) 688 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 689 ret, (unsigned) portid); 690 691 /* Start device */ 692 ret = rte_eth_dev_start(portid); 693 if (ret < 0) 694 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 695 ret, (unsigned) portid); 696 697 printf("done: \n"); 698 699 rte_eth_promiscuous_enable(portid); 700 701 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 702 (unsigned) portid, 703 l2fwd_ports_eth_addr[portid].addr_bytes[0], 704 l2fwd_ports_eth_addr[portid].addr_bytes[1], 705 l2fwd_ports_eth_addr[portid].addr_bytes[2], 706 l2fwd_ports_eth_addr[portid].addr_bytes[3], 707 l2fwd_ports_eth_addr[portid].addr_bytes[4], 708 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 709 710 /* initialize port stats */ 711 memset(&port_statistics, 0, sizeof(port_statistics)); 712 } 713 714 if (!nb_ports_available) { 715 rte_exit(EXIT_FAILURE, 716 "All available ports are disabled. Please set portmask.\n"); 717 } 718 719 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 720 721 ret = 0; 722 /* launch per-lcore init on every lcore */ 723 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 724 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 725 if (rte_eal_wait_lcore(lcore_id) < 0) { 726 ret = -1; 727 break; 728 } 729 } 730 731 for (portid = 0; portid < nb_ports; portid++) { 732 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 733 continue; 734 printf("Closing port %d...", portid); 735 rte_eth_dev_stop(portid); 736 rte_eth_dev_close(portid); 737 printf(" Done\n"); 738 } 739 printf("Bye...\n"); 740 741 return ret; 742 } 743