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 1024 57 #define RTE_TEST_TX_DESC_DEFAULT 1024 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 rte_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 struct rte_eth_conf port_conf = { 83 .rxmode = { 84 .split_hdr_size = 0, 85 }, 86 .txmode = { 87 .mq_mode = ETH_MQ_TX_NONE, 88 }, 89 }; 90 91 struct rte_mempool * l2fwd_pktmbuf_pool = NULL; 92 93 /* Per-port statistics struct */ 94 struct l2fwd_port_statistics { 95 uint64_t tx; 96 uint64_t rx; 97 uint64_t dropped; 98 } __rte_cache_aligned; 99 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 100 101 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 102 /* A tsc-based timer responsible for triggering statistics printout */ 103 static uint64_t timer_period = 10; /* default period is 10 seconds */ 104 105 /* Print out statistics on packets dropped */ 106 static void 107 print_stats(void) 108 { 109 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 110 unsigned portid; 111 112 total_packets_dropped = 0; 113 total_packets_tx = 0; 114 total_packets_rx = 0; 115 116 const char clr[] = { 27, '[', '2', 'J', '\0' }; 117 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 118 119 /* Clear screen and move to top left */ 120 printf("%s%s", clr, topLeft); 121 122 printf("\nPort statistics ===================================="); 123 124 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 125 /* skip disabled ports */ 126 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 127 continue; 128 printf("\nStatistics for port %u ------------------------------" 129 "\nPackets sent: %24"PRIu64 130 "\nPackets received: %20"PRIu64 131 "\nPackets dropped: %21"PRIu64, 132 portid, 133 port_statistics[portid].tx, 134 port_statistics[portid].rx, 135 port_statistics[portid].dropped); 136 137 total_packets_dropped += port_statistics[portid].dropped; 138 total_packets_tx += port_statistics[portid].tx; 139 total_packets_rx += port_statistics[portid].rx; 140 } 141 printf("\nAggregate statistics ===============================" 142 "\nTotal packets sent: %18"PRIu64 143 "\nTotal packets received: %14"PRIu64 144 "\nTotal packets dropped: %15"PRIu64, 145 total_packets_tx, 146 total_packets_rx, 147 total_packets_dropped); 148 printf("\n====================================================\n"); 149 150 fflush(stdout); 151 } 152 153 static void 154 l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid) 155 { 156 struct rte_ether_hdr *eth; 157 void *tmp; 158 159 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 160 161 /* 02:00:00:00:00:xx */ 162 tmp = ð->d_addr.addr_bytes[0]; 163 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40); 164 165 /* src addr */ 166 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr); 167 } 168 169 static void 170 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 171 { 172 unsigned dst_port; 173 int sent; 174 struct rte_eth_dev_tx_buffer *buffer; 175 176 dst_port = l2fwd_dst_ports[portid]; 177 178 if (mac_updating) 179 l2fwd_mac_updating(m, dst_port); 180 181 buffer = tx_buffer[dst_port]; 182 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 183 if (sent) 184 port_statistics[dst_port].tx += sent; 185 } 186 187 /* main processing loop */ 188 static void 189 l2fwd_main_loop(void) 190 { 191 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 192 struct rte_mbuf *m; 193 int sent; 194 unsigned lcore_id; 195 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 196 unsigned i, j, portid, nb_rx; 197 struct lcore_queue_conf *qconf; 198 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * 199 BURST_TX_DRAIN_US; 200 struct rte_eth_dev_tx_buffer *buffer; 201 202 prev_tsc = 0; 203 timer_tsc = 0; 204 205 lcore_id = rte_lcore_id(); 206 qconf = &lcore_queue_conf[lcore_id]; 207 208 if (qconf->n_rx_port == 0) { 209 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 210 return; 211 } 212 213 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 214 215 for (i = 0; i < qconf->n_rx_port; i++) { 216 217 portid = qconf->rx_port_list[i]; 218 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 219 portid); 220 221 } 222 223 while (!force_quit) { 224 225 cur_tsc = rte_rdtsc(); 226 227 /* 228 * TX burst queue drain 229 */ 230 diff_tsc = cur_tsc - prev_tsc; 231 if (unlikely(diff_tsc > drain_tsc)) { 232 233 for (i = 0; i < qconf->n_rx_port; i++) { 234 235 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 236 buffer = tx_buffer[portid]; 237 238 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 239 if (sent) 240 port_statistics[portid].tx += sent; 241 242 } 243 244 /* if timer is enabled */ 245 if (timer_period > 0) { 246 247 /* advance the timer */ 248 timer_tsc += diff_tsc; 249 250 /* if timer has reached its timeout */ 251 if (unlikely(timer_tsc >= timer_period)) { 252 253 /* do this only on master core */ 254 if (lcore_id == rte_get_master_lcore()) { 255 print_stats(); 256 /* reset the timer */ 257 timer_tsc = 0; 258 } 259 } 260 } 261 262 prev_tsc = cur_tsc; 263 } 264 265 /* 266 * Read packet from RX queues 267 */ 268 for (i = 0; i < qconf->n_rx_port; i++) { 269 270 portid = qconf->rx_port_list[i]; 271 nb_rx = rte_eth_rx_burst(portid, 0, 272 pkts_burst, MAX_PKT_BURST); 273 274 port_statistics[portid].rx += nb_rx; 275 276 for (j = 0; j < nb_rx; j++) { 277 m = pkts_burst[j]; 278 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 279 l2fwd_simple_forward(m, portid); 280 } 281 } 282 } 283 } 284 285 static int 286 l2fwd_launch_one_lcore(__rte_unused void *dummy) 287 { 288 l2fwd_main_loop(); 289 return 0; 290 } 291 292 /* display usage */ 293 static void 294 l2fwd_usage(const char *prgname) 295 { 296 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 297 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 298 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 299 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n" 300 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n" 301 " When enabled:\n" 302 " - The source MAC address is replaced by the TX port MAC address\n" 303 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n", 304 prgname); 305 } 306 307 static int 308 l2fwd_parse_portmask(const char *portmask) 309 { 310 char *end = NULL; 311 unsigned long pm; 312 313 /* parse hexadecimal string */ 314 pm = strtoul(portmask, &end, 16); 315 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 316 return -1; 317 318 if (pm == 0) 319 return -1; 320 321 return pm; 322 } 323 324 static unsigned int 325 l2fwd_parse_nqueue(const char *q_arg) 326 { 327 char *end = NULL; 328 unsigned long n; 329 330 /* parse hexadecimal string */ 331 n = strtoul(q_arg, &end, 10); 332 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 333 return 0; 334 if (n == 0) 335 return 0; 336 if (n >= MAX_RX_QUEUE_PER_LCORE) 337 return 0; 338 339 return n; 340 } 341 342 static int 343 l2fwd_parse_timer_period(const char *q_arg) 344 { 345 char *end = NULL; 346 int n; 347 348 /* parse number string */ 349 n = strtol(q_arg, &end, 10); 350 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 351 return -1; 352 if (n >= MAX_TIMER_PERIOD) 353 return -1; 354 355 return n; 356 } 357 358 static const char short_options[] = 359 "p:" /* portmask */ 360 "q:" /* number of queues */ 361 "T:" /* timer period */ 362 ; 363 364 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating" 365 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating" 366 367 enum { 368 /* long options mapped to a short option */ 369 370 /* first long only option value must be >= 256, so that we won't 371 * conflict with short options */ 372 CMD_LINE_OPT_MIN_NUM = 256, 373 }; 374 375 static const struct option lgopts[] = { 376 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1}, 377 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0}, 378 {NULL, 0, 0, 0} 379 }; 380 381 /* Parse the argument given in the command line of the application */ 382 static int 383 l2fwd_parse_args(int argc, char **argv) 384 { 385 int opt, ret, timer_secs; 386 char **argvopt; 387 int option_index; 388 char *prgname = argv[0]; 389 390 argvopt = argv; 391 392 while ((opt = getopt_long(argc, argvopt, short_options, 393 lgopts, &option_index)) != EOF) { 394 395 switch (opt) { 396 /* portmask */ 397 case 'p': 398 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 399 if (l2fwd_enabled_port_mask == 0) { 400 printf("invalid portmask\n"); 401 l2fwd_usage(prgname); 402 return -1; 403 } 404 break; 405 406 /* nqueue */ 407 case 'q': 408 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 409 if (l2fwd_rx_queue_per_lcore == 0) { 410 printf("invalid queue number\n"); 411 l2fwd_usage(prgname); 412 return -1; 413 } 414 break; 415 416 /* timer period */ 417 case 'T': 418 timer_secs = l2fwd_parse_timer_period(optarg); 419 if (timer_secs < 0) { 420 printf("invalid timer period\n"); 421 l2fwd_usage(prgname); 422 return -1; 423 } 424 timer_period = timer_secs; 425 break; 426 427 /* long options */ 428 case 0: 429 break; 430 431 default: 432 l2fwd_usage(prgname); 433 return -1; 434 } 435 } 436 437 if (optind >= 0) 438 argv[optind-1] = prgname; 439 440 ret = optind-1; 441 optind = 1; /* reset getopt lib */ 442 return ret; 443 } 444 445 /* Check the link status of all ports in up to 9s, and print them finally */ 446 static void 447 check_all_ports_link_status(uint32_t port_mask) 448 { 449 #define CHECK_INTERVAL 100 /* 100ms */ 450 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 451 uint16_t portid; 452 uint8_t count, all_ports_up, print_flag = 0; 453 struct rte_eth_link link; 454 int ret; 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 RTE_ETH_FOREACH_DEV(portid) { 463 if (force_quit) 464 return; 465 if ((port_mask & (1 << portid)) == 0) 466 continue; 467 memset(&link, 0, sizeof(link)); 468 ret = rte_eth_link_get_nowait(portid, &link); 469 if (ret < 0) { 470 all_ports_up = 0; 471 if (print_flag == 1) 472 printf("Port %u link get failed: %s\n", 473 portid, rte_strerror(-ret)); 474 continue; 475 } 476 /* print link status if flag set */ 477 if (print_flag == 1) { 478 if (link.link_status) 479 printf( 480 "Port%d Link Up. Speed %u Mbps - %s\n", 481 portid, link.link_speed, 482 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 483 ("full-duplex") : ("half-duplex")); 484 else 485 printf("Port %d Link Down\n", portid); 486 continue; 487 } 488 /* clear all_ports_up flag if any link down */ 489 if (link.link_status == ETH_LINK_DOWN) { 490 all_ports_up = 0; 491 break; 492 } 493 } 494 /* after finally printing all link status, get out */ 495 if (print_flag == 1) 496 break; 497 498 if (all_ports_up == 0) { 499 printf("."); 500 fflush(stdout); 501 rte_delay_ms(CHECK_INTERVAL); 502 } 503 504 /* set the print_flag if all ports up or timeout */ 505 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 506 print_flag = 1; 507 printf("done\n"); 508 } 509 } 510 } 511 512 static void 513 signal_handler(int signum) 514 { 515 if (signum == SIGINT || signum == SIGTERM) { 516 printf("\n\nSignal %d received, preparing to exit...\n", 517 signum); 518 force_quit = true; 519 } 520 } 521 522 int 523 main(int argc, char **argv) 524 { 525 struct lcore_queue_conf *qconf; 526 int ret; 527 uint16_t nb_ports; 528 uint16_t nb_ports_available = 0; 529 uint16_t portid, last_port; 530 unsigned lcore_id, rx_lcore_id; 531 unsigned nb_ports_in_mask = 0; 532 unsigned int nb_lcores = 0; 533 unsigned int nb_mbufs; 534 535 /* init EAL */ 536 ret = rte_eal_init(argc, argv); 537 if (ret < 0) 538 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 539 argc -= ret; 540 argv += ret; 541 542 force_quit = false; 543 signal(SIGINT, signal_handler); 544 signal(SIGTERM, signal_handler); 545 546 /* parse application arguments (after the EAL ones) */ 547 ret = l2fwd_parse_args(argc, argv); 548 if (ret < 0) 549 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 550 551 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled"); 552 553 /* convert to number of cycles */ 554 timer_period *= rte_get_timer_hz(); 555 556 nb_ports = rte_eth_dev_count_avail(); 557 if (nb_ports == 0) 558 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 559 560 /* check port mask to possible port mask */ 561 if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1)) 562 rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n", 563 (1 << nb_ports) - 1); 564 565 /* reset l2fwd_dst_ports */ 566 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 567 l2fwd_dst_ports[portid] = 0; 568 last_port = 0; 569 570 /* 571 * Each logical core is assigned a dedicated TX queue on each port. 572 */ 573 RTE_ETH_FOREACH_DEV(portid) { 574 /* skip ports that are not enabled */ 575 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 576 continue; 577 578 if (nb_ports_in_mask % 2) { 579 l2fwd_dst_ports[portid] = last_port; 580 l2fwd_dst_ports[last_port] = portid; 581 } 582 else 583 last_port = portid; 584 585 nb_ports_in_mask++; 586 } 587 if (nb_ports_in_mask % 2) { 588 printf("Notice: odd number of ports in portmask.\n"); 589 l2fwd_dst_ports[last_port] = last_port; 590 } 591 592 rx_lcore_id = 0; 593 qconf = NULL; 594 595 /* Initialize the port/queue configuration of each logical core */ 596 RTE_ETH_FOREACH_DEV(portid) { 597 /* skip ports that are not enabled */ 598 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 599 continue; 600 601 /* get the lcore_id for this port */ 602 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 603 lcore_queue_conf[rx_lcore_id].n_rx_port == 604 l2fwd_rx_queue_per_lcore) { 605 rx_lcore_id++; 606 if (rx_lcore_id >= RTE_MAX_LCORE) 607 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 608 } 609 610 if (qconf != &lcore_queue_conf[rx_lcore_id]) { 611 /* Assigned a new logical core in the loop above. */ 612 qconf = &lcore_queue_conf[rx_lcore_id]; 613 nb_lcores++; 614 } 615 616 qconf->rx_port_list[qconf->n_rx_port] = portid; 617 qconf->n_rx_port++; 618 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid); 619 } 620 621 nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST + 622 nb_lcores * MEMPOOL_CACHE_SIZE), 8192U); 623 624 /* create the mbuf pool */ 625 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs, 626 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 627 rte_socket_id()); 628 if (l2fwd_pktmbuf_pool == NULL) 629 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 630 631 /* Initialise each port */ 632 RTE_ETH_FOREACH_DEV(portid) { 633 struct rte_eth_rxconf rxq_conf; 634 struct rte_eth_txconf txq_conf; 635 struct rte_eth_conf local_port_conf = port_conf; 636 struct rte_eth_dev_info dev_info; 637 638 /* skip ports that are not enabled */ 639 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 640 printf("Skipping disabled port %u\n", portid); 641 continue; 642 } 643 nb_ports_available++; 644 645 /* init port */ 646 printf("Initializing port %u... ", portid); 647 fflush(stdout); 648 649 ret = rte_eth_dev_info_get(portid, &dev_info); 650 if (ret != 0) 651 rte_exit(EXIT_FAILURE, 652 "Error during getting device (port %u) info: %s\n", 653 portid, strerror(-ret)); 654 655 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 656 local_port_conf.txmode.offloads |= 657 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 658 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 659 if (ret < 0) 660 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 661 ret, portid); 662 663 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 664 &nb_txd); 665 if (ret < 0) 666 rte_exit(EXIT_FAILURE, 667 "Cannot adjust number of descriptors: err=%d, port=%u\n", 668 ret, portid); 669 670 ret = rte_eth_macaddr_get(portid, 671 &l2fwd_ports_eth_addr[portid]); 672 if (ret < 0) 673 rte_exit(EXIT_FAILURE, 674 "Cannot get MAC address: err=%d, port=%u\n", 675 ret, portid); 676 677 /* init one RX queue */ 678 fflush(stdout); 679 rxq_conf = dev_info.default_rxconf; 680 rxq_conf.offloads = local_port_conf.rxmode.offloads; 681 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 682 rte_eth_dev_socket_id(portid), 683 &rxq_conf, 684 l2fwd_pktmbuf_pool); 685 if (ret < 0) 686 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", 687 ret, portid); 688 689 /* init one TX queue on each port */ 690 fflush(stdout); 691 txq_conf = dev_info.default_txconf; 692 txq_conf.offloads = local_port_conf.txmode.offloads; 693 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 694 rte_eth_dev_socket_id(portid), 695 &txq_conf); 696 if (ret < 0) 697 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", 698 ret, portid); 699 700 /* Initialize TX buffers */ 701 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 702 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 703 rte_eth_dev_socket_id(portid)); 704 if (tx_buffer[portid] == NULL) 705 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 706 portid); 707 708 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 709 710 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 711 rte_eth_tx_buffer_count_callback, 712 &port_statistics[portid].dropped); 713 if (ret < 0) 714 rte_exit(EXIT_FAILURE, 715 "Cannot set error callback for tx buffer on port %u\n", 716 portid); 717 718 ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL, 719 0); 720 if (ret < 0) 721 printf("Port %u, Failed to disable Ptype parsing\n", 722 portid); 723 /* Start device */ 724 ret = rte_eth_dev_start(portid); 725 if (ret < 0) 726 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", 727 ret, portid); 728 729 printf("done: \n"); 730 731 ret = rte_eth_promiscuous_enable(portid); 732 if (ret != 0) 733 rte_exit(EXIT_FAILURE, 734 "rte_eth_promiscuous_enable:err=%s, port=%u\n", 735 rte_strerror(-ret), portid); 736 737 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 738 portid, 739 l2fwd_ports_eth_addr[portid].addr_bytes[0], 740 l2fwd_ports_eth_addr[portid].addr_bytes[1], 741 l2fwd_ports_eth_addr[portid].addr_bytes[2], 742 l2fwd_ports_eth_addr[portid].addr_bytes[3], 743 l2fwd_ports_eth_addr[portid].addr_bytes[4], 744 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 745 746 /* initialize port stats */ 747 memset(&port_statistics, 0, sizeof(port_statistics)); 748 } 749 750 if (!nb_ports_available) { 751 rte_exit(EXIT_FAILURE, 752 "All available ports are disabled. Please set portmask.\n"); 753 } 754 755 check_all_ports_link_status(l2fwd_enabled_port_mask); 756 757 ret = 0; 758 /* launch per-lcore init on every lcore */ 759 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER); 760 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 761 if (rte_eal_wait_lcore(lcore_id) < 0) { 762 ret = -1; 763 break; 764 } 765 } 766 767 RTE_ETH_FOREACH_DEV(portid) { 768 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 769 continue; 770 printf("Closing port %d...", portid); 771 rte_eth_dev_stop(portid); 772 rte_eth_dev_close(portid); 773 printf(" Done\n"); 774 } 775 printf("Bye...\n"); 776 777 return ret; 778 } 779