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 20 #include <rte_common.h> 21 #include <rte_log.h> 22 #include <rte_malloc.h> 23 #include <rte_memory.h> 24 #include <rte_memcpy.h> 25 #include <rte_eal.h> 26 #include <rte_launch.h> 27 #include <rte_atomic.h> 28 #include <rte_cycles.h> 29 #include <rte_prefetch.h> 30 #include <rte_lcore.h> 31 #include <rte_per_lcore.h> 32 #include <rte_branch_prediction.h> 33 #include <rte_interrupts.h> 34 #include <rte_random.h> 35 #include <rte_debug.h> 36 #include <rte_ether.h> 37 #include <rte_ethdev.h> 38 #include <rte_mempool.h> 39 #include <rte_mbuf.h> 40 #include <rte_timer.h> 41 #include <rte_keepalive.h> 42 43 #include "shm.h" 44 45 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 46 47 #define NB_MBUF_PER_PORT 3000 48 49 #define MAX_PKT_BURST 32 50 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 51 52 /* 53 * Configurable number of RX/TX ring descriptors 54 */ 55 #define RTE_TEST_RX_DESC_DEFAULT 1024 56 #define RTE_TEST_TX_DESC_DEFAULT 1024 57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 59 60 /* ethernet addresses of ports */ 61 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 62 63 /* mask of enabled ports */ 64 static uint32_t l2fwd_enabled_port_mask; 65 66 /* list of enabled ports */ 67 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 68 69 static unsigned int l2fwd_rx_queue_per_lcore = 1; 70 71 #define MAX_RX_QUEUE_PER_LCORE 16 72 #define MAX_TX_QUEUE_PER_PORT 16 73 struct lcore_queue_conf { 74 unsigned n_rx_port; 75 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 76 } __rte_cache_aligned; 77 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 78 79 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 80 81 static struct rte_eth_conf port_conf = { 82 .rxmode = { 83 .split_hdr_size = 0, 84 }, 85 .txmode = { 86 .mq_mode = ETH_MQ_TX_NONE, 87 }, 88 }; 89 90 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 91 92 /* Per-port statistics struct */ 93 struct l2fwd_port_statistics { 94 uint64_t tx; 95 uint64_t rx; 96 uint64_t dropped; 97 } __rte_cache_aligned; 98 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 99 100 /* A tsc-based timer responsible for triggering statistics printout */ 101 #define TIMER_MILLISECOND 1 102 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 103 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 104 static int64_t check_period = 5; /* default check cycle is 5ms */ 105 106 /* Keepalive structure */ 107 struct rte_keepalive *rte_global_keepalive_info; 108 109 /* Termination signalling */ 110 static int terminate_signal_received; 111 112 /* Termination signal handler */ 113 static void handle_sigterm(__rte_unused int value) 114 { 115 terminate_signal_received = 1; 116 } 117 118 /* Print out statistics on packets dropped */ 119 static void 120 print_stats(__rte_unused struct rte_timer *ptr_timer, 121 __rte_unused void *ptr_data) 122 { 123 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 124 uint16_t portid; 125 126 total_packets_dropped = 0; 127 total_packets_tx = 0; 128 total_packets_rx = 0; 129 130 const char clr[] = { 27, '[', '2', 'J', '\0' }; 131 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 132 133 /* Clear screen and move to top left */ 134 printf("%s%s", clr, topLeft); 135 136 printf("\nPort statistics ===================================="); 137 138 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 139 /* skip disabled ports */ 140 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 141 continue; 142 printf("\nStatistics for port %u ------------------------------" 143 "\nPackets sent: %24"PRIu64 144 "\nPackets received: %20"PRIu64 145 "\nPackets dropped: %21"PRIu64, 146 portid, 147 port_statistics[portid].tx, 148 port_statistics[portid].rx, 149 port_statistics[portid].dropped); 150 151 total_packets_dropped += port_statistics[portid].dropped; 152 total_packets_tx += port_statistics[portid].tx; 153 total_packets_rx += port_statistics[portid].rx; 154 } 155 printf("\nAggregate statistics ===============================" 156 "\nTotal packets sent: %18"PRIu64 157 "\nTotal packets received: %14"PRIu64 158 "\nTotal packets dropped: %15"PRIu64, 159 total_packets_tx, 160 total_packets_rx, 161 total_packets_dropped); 162 printf("\n====================================================\n"); 163 } 164 165 static void 166 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 167 { 168 struct rte_ether_hdr *eth; 169 void *tmp; 170 int sent; 171 unsigned dst_port; 172 struct rte_eth_dev_tx_buffer *buffer; 173 174 dst_port = l2fwd_dst_ports[portid]; 175 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 176 177 /* 02:00:00:00:00:xx */ 178 tmp = ð->d_addr.addr_bytes[0]; 179 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 180 181 /* src addr */ 182 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 183 184 buffer = tx_buffer[dst_port]; 185 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 186 if (sent) 187 port_statistics[dst_port].tx += sent; 188 } 189 190 /* main processing loop */ 191 static void 192 l2fwd_main_loop(void) 193 { 194 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 195 struct rte_mbuf *m; 196 int sent; 197 unsigned lcore_id; 198 uint64_t prev_tsc, diff_tsc, cur_tsc; 199 unsigned i, j, portid, nb_rx; 200 struct lcore_queue_conf *qconf; 201 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 202 / US_PER_S * BURST_TX_DRAIN_US; 203 struct rte_eth_dev_tx_buffer *buffer; 204 205 prev_tsc = 0; 206 207 lcore_id = rte_lcore_id(); 208 qconf = &lcore_queue_conf[lcore_id]; 209 210 if (qconf->n_rx_port == 0) { 211 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 212 return; 213 } 214 215 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 216 217 for (i = 0; i < qconf->n_rx_port; i++) { 218 219 portid = qconf->rx_port_list[i]; 220 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 221 portid); 222 } 223 224 uint64_t tsc_initial = rte_rdtsc(); 225 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 226 227 while (!terminate_signal_received) { 228 /* Keepalive heartbeat */ 229 rte_keepalive_mark_alive(rte_global_keepalive_info); 230 231 cur_tsc = rte_rdtsc(); 232 233 /* 234 * Die randomly within 7 secs for demo purposes if 235 * keepalive enabled 236 */ 237 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 238 break; 239 240 /* 241 * TX burst queue drain 242 */ 243 diff_tsc = cur_tsc - prev_tsc; 244 if (unlikely(diff_tsc > drain_tsc)) { 245 246 for (i = 0; i < qconf->n_rx_port; i++) { 247 248 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 249 buffer = tx_buffer[portid]; 250 251 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 252 if (sent) 253 port_statistics[portid].tx += sent; 254 255 } 256 257 prev_tsc = cur_tsc; 258 } 259 260 /* 261 * Read packet from RX queues 262 */ 263 for (i = 0; i < qconf->n_rx_port; i++) { 264 265 portid = qconf->rx_port_list[i]; 266 nb_rx = rte_eth_rx_burst(portid, 0, 267 pkts_burst, MAX_PKT_BURST); 268 269 port_statistics[portid].rx += nb_rx; 270 271 for (j = 0; j < nb_rx; j++) { 272 m = pkts_burst[j]; 273 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 274 l2fwd_simple_forward(m, portid); 275 } 276 } 277 } 278 } 279 280 static int 281 l2fwd_launch_one_lcore(__rte_unused void *dummy) 282 { 283 l2fwd_main_loop(); 284 return 0; 285 } 286 287 /* display usage */ 288 static void 289 l2fwd_usage(const char *prgname) 290 { 291 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 292 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 293 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 294 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 295 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 296 prgname); 297 } 298 299 static int 300 l2fwd_parse_portmask(const char *portmask) 301 { 302 char *end = NULL; 303 unsigned long pm; 304 305 /* parse hexadecimal string */ 306 pm = strtoul(portmask, &end, 16); 307 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 308 return -1; 309 310 if (pm == 0) 311 return -1; 312 313 return pm; 314 } 315 316 static unsigned int 317 l2fwd_parse_nqueue(const char *q_arg) 318 { 319 char *end = NULL; 320 unsigned long n; 321 322 /* parse hexadecimal string */ 323 n = strtoul(q_arg, &end, 10); 324 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 325 return 0; 326 if (n == 0) 327 return 0; 328 if (n >= MAX_RX_QUEUE_PER_LCORE) 329 return 0; 330 331 return n; 332 } 333 334 static int 335 l2fwd_parse_timer_period(const char *q_arg) 336 { 337 char *end = NULL; 338 int n; 339 340 /* parse number string */ 341 n = strtol(q_arg, &end, 10); 342 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 343 return -1; 344 if (n >= MAX_TIMER_PERIOD) 345 return -1; 346 347 return n; 348 } 349 350 static int 351 l2fwd_parse_check_period(const char *q_arg) 352 { 353 char *end = NULL; 354 int n; 355 356 /* parse number string */ 357 n = strtol(q_arg, &end, 10); 358 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 359 return -1; 360 if (n >= MAX_TIMER_PERIOD) 361 return -1; 362 363 return n; 364 } 365 366 /* Parse the argument given in the command line of the application */ 367 static int 368 l2fwd_parse_args(int argc, char **argv) 369 { 370 int opt, ret; 371 char **argvopt; 372 int option_index; 373 char *prgname = argv[0]; 374 static struct option lgopts[] = { 375 {NULL, 0, 0, 0} 376 }; 377 378 argvopt = argv; 379 380 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 381 lgopts, &option_index)) != EOF) { 382 383 switch (opt) { 384 /* portmask */ 385 case 'p': 386 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 387 if (l2fwd_enabled_port_mask == 0) { 388 printf("invalid portmask\n"); 389 l2fwd_usage(prgname); 390 return -1; 391 } 392 break; 393 394 /* nqueue */ 395 case 'q': 396 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 397 if (l2fwd_rx_queue_per_lcore == 0) { 398 printf("invalid queue number\n"); 399 l2fwd_usage(prgname); 400 return -1; 401 } 402 break; 403 404 /* timer period */ 405 case 'T': 406 timer_period = l2fwd_parse_timer_period(optarg) 407 * (int64_t)(1000 * TIMER_MILLISECOND); 408 if (timer_period < 0) { 409 printf("invalid timer period\n"); 410 l2fwd_usage(prgname); 411 return -1; 412 } 413 break; 414 415 /* Check period */ 416 case 'K': 417 check_period = l2fwd_parse_check_period(optarg); 418 if (check_period < 0) { 419 printf("invalid check period\n"); 420 l2fwd_usage(prgname); 421 return -1; 422 } 423 break; 424 425 /* long options */ 426 case 0: 427 l2fwd_usage(prgname); 428 return -1; 429 430 default: 431 l2fwd_usage(prgname); 432 return -1; 433 } 434 } 435 436 if (optind >= 0) 437 argv[optind-1] = prgname; 438 439 ret = optind-1; 440 optind = 1; /* reset getopt lib */ 441 return ret; 442 } 443 444 /* Check the link status of all ports in up to 9s, and print them finally */ 445 static void 446 check_all_ports_link_status(uint32_t port_mask) 447 { 448 #define CHECK_INTERVAL 100 /* 100ms */ 449 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 450 uint16_t portid; 451 uint8_t count, all_ports_up, print_flag = 0; 452 struct rte_eth_link link; 453 int ret; 454 455 printf("\nChecking link status"); 456 fflush(stdout); 457 for (count = 0; count <= MAX_CHECK_TIME; count++) { 458 all_ports_up = 1; 459 RTE_ETH_FOREACH_DEV(portid) { 460 if ((port_mask & (1 << portid)) == 0) 461 continue; 462 memset(&link, 0, sizeof(link)); 463 ret = rte_eth_link_get_nowait(portid, &link); 464 if (ret < 0) { 465 all_ports_up = 0; 466 if (print_flag == 1) 467 printf("Port %u link get failed: %s\n", 468 portid, rte_strerror(-ret)); 469 continue; 470 } 471 /* print link status if flag set */ 472 if (print_flag == 1) { 473 if (link.link_status) 474 printf( 475 "Port%d Link Up. Speed %u Mbps - %s\n", 476 portid, link.link_speed, 477 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 478 ("full-duplex") : ("half-duplex\n")); 479 else 480 printf("Port %d Link Down\n", portid); 481 continue; 482 } 483 /* clear all_ports_up flag if any link down */ 484 if (link.link_status == ETH_LINK_DOWN) { 485 all_ports_up = 0; 486 break; 487 } 488 } 489 /* after finally printing all link status, get out */ 490 if (print_flag == 1) 491 break; 492 493 if (all_ports_up == 0) { 494 printf("."); 495 fflush(stdout); 496 rte_delay_ms(CHECK_INTERVAL); 497 } 498 499 /* set the print_flag if all ports up or timeout */ 500 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 501 print_flag = 1; 502 printf("done\n"); 503 } 504 } 505 } 506 507 static void 508 dead_core(__rte_unused void *ptr_data, const int id_core) 509 { 510 if (terminate_signal_received) 511 return; 512 printf("Dead core %i - restarting..\n", id_core); 513 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 514 rte_eal_wait_lcore(id_core); 515 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 516 } else { 517 printf("..false positive!\n"); 518 } 519 } 520 521 static void 522 relay_core_state(void *ptr_data, const int id_core, 523 const enum rte_keepalive_state core_state, uint64_t last_alive) 524 { 525 rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data, 526 id_core, core_state, last_alive); 527 } 528 529 int 530 main(int argc, char **argv) 531 { 532 struct lcore_queue_conf *qconf; 533 int ret; 534 uint16_t nb_ports; 535 uint16_t nb_ports_available = 0; 536 uint16_t portid, last_port; 537 unsigned lcore_id, rx_lcore_id; 538 unsigned nb_ports_in_mask = 0; 539 unsigned int total_nb_mbufs; 540 struct sigaction signal_handler; 541 struct rte_keepalive_shm *ka_shm; 542 543 memset(&signal_handler, 0, sizeof(signal_handler)); 544 terminate_signal_received = 0; 545 signal_handler.sa_handler = &handle_sigterm; 546 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 547 sigaction(SIGTERM, &signal_handler, NULL) == -1) 548 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 549 550 551 /* init EAL */ 552 ret = rte_eal_init(argc, argv); 553 if (ret < 0) 554 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 555 argc -= ret; 556 argv += ret; 557 558 l2fwd_enabled_port_mask = 0; 559 560 /* parse application arguments (after the EAL ones) */ 561 ret = l2fwd_parse_args(argc, argv); 562 if (ret < 0) 563 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 564 565 nb_ports = rte_eth_dev_count_avail(); 566 if (nb_ports == 0) 567 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 568 569 /* create the mbuf pool */ 570 total_nb_mbufs = NB_MBUF_PER_PORT * nb_ports; 571 572 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 573 total_nb_mbufs, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE, 574 rte_socket_id()); 575 if (l2fwd_pktmbuf_pool == NULL) 576 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 577 578 /* reset l2fwd_dst_ports */ 579 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 580 l2fwd_dst_ports[portid] = 0; 581 last_port = 0; 582 583 /* 584 * Each logical core is assigned a dedicated TX queue on each port. 585 */ 586 RTE_ETH_FOREACH_DEV(portid) { 587 /* skip ports that are not enabled */ 588 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 589 continue; 590 591 if (nb_ports_in_mask % 2) { 592 l2fwd_dst_ports[portid] = last_port; 593 l2fwd_dst_ports[last_port] = portid; 594 } else 595 last_port = portid; 596 597 nb_ports_in_mask++; 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 = 1; 605 qconf = NULL; 606 607 /* Initialize the port/queue configuration of each logical core */ 608 RTE_ETH_FOREACH_DEV(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", 629 rx_lcore_id, portid); 630 } 631 632 /* Initialise each port */ 633 RTE_ETH_FOREACH_DEV(portid) { 634 struct rte_eth_dev_info dev_info; 635 struct rte_eth_rxconf rxq_conf; 636 struct rte_eth_txconf txq_conf; 637 struct rte_eth_conf local_port_conf = port_conf; 638 639 /* skip ports that are not enabled */ 640 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 641 printf("Skipping disabled port %u\n", portid); 642 continue; 643 } 644 nb_ports_available++; 645 646 /* init port */ 647 printf("Initializing port %u... ", portid); 648 fflush(stdout); 649 650 ret = rte_eth_dev_info_get(portid, &dev_info); 651 if (ret != 0) 652 rte_exit(EXIT_FAILURE, 653 "Error during getting device (port %u) info: %s\n", 654 portid, strerror(-ret)); 655 656 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 657 local_port_conf.txmode.offloads |= 658 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 659 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 660 if (ret < 0) 661 rte_exit(EXIT_FAILURE, 662 "Cannot configure device: err=%d, port=%u\n", 663 ret, portid); 664 665 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 666 &nb_txd); 667 if (ret < 0) 668 rte_exit(EXIT_FAILURE, 669 "Cannot adjust number of descriptors: err=%d, port=%u\n", 670 ret, portid); 671 672 ret = rte_eth_macaddr_get(portid, 673 &l2fwd_ports_eth_addr[portid]); 674 if (ret < 0) 675 rte_exit(EXIT_FAILURE, 676 "Cannot mac address: err=%d, port=%u\n", 677 ret, portid); 678 679 /* init one RX queue */ 680 fflush(stdout); 681 rxq_conf = dev_info.default_rxconf; 682 rxq_conf.offloads = local_port_conf.rxmode.offloads; 683 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 684 rte_eth_dev_socket_id(portid), 685 &rxq_conf, 686 l2fwd_pktmbuf_pool); 687 if (ret < 0) 688 rte_exit(EXIT_FAILURE, 689 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 690 ret, portid); 691 692 /* init one TX queue on each port */ 693 fflush(stdout); 694 txq_conf = dev_info.default_txconf; 695 txq_conf.offloads = local_port_conf.txmode.offloads; 696 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 697 rte_eth_dev_socket_id(portid), 698 &txq_conf); 699 if (ret < 0) 700 rte_exit(EXIT_FAILURE, 701 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 702 ret, portid); 703 704 /* Initialize TX buffers */ 705 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 706 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 707 rte_eth_dev_socket_id(portid)); 708 if (tx_buffer[portid] == NULL) 709 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 710 portid); 711 712 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 713 714 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 715 rte_eth_tx_buffer_count_callback, 716 &port_statistics[portid].dropped); 717 if (ret < 0) 718 rte_exit(EXIT_FAILURE, 719 "Cannot set error callback for tx buffer on port %u\n", 720 portid); 721 722 /* Start device */ 723 ret = rte_eth_dev_start(portid); 724 if (ret < 0) 725 rte_exit(EXIT_FAILURE, 726 "rte_eth_dev_start:err=%d, port=%u\n", 727 ret, portid); 728 729 ret = rte_eth_promiscuous_enable(portid); 730 if (ret != 0) 731 rte_exit(EXIT_FAILURE, 732 "rte_eth_promiscuous_enable:err=%s, port=%u\n", 733 rte_strerror(-ret), portid); 734 735 printf("Port %u, MAC address: " 736 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 737 portid, 738 l2fwd_ports_eth_addr[portid].addr_bytes[0], 739 l2fwd_ports_eth_addr[portid].addr_bytes[1], 740 l2fwd_ports_eth_addr[portid].addr_bytes[2], 741 l2fwd_ports_eth_addr[portid].addr_bytes[3], 742 l2fwd_ports_eth_addr[portid].addr_bytes[4], 743 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 744 745 /* initialize port stats */ 746 memset(&port_statistics, 0, sizeof(port_statistics)); 747 } 748 749 if (!nb_ports_available) { 750 rte_exit(EXIT_FAILURE, 751 "All available ports are disabled. Please set portmask.\n"); 752 } 753 754 check_all_ports_link_status(l2fwd_enabled_port_mask); 755 756 struct rte_timer hb_timer, stats_timer; 757 758 rte_timer_subsystem_init(); 759 rte_timer_init(&stats_timer); 760 761 ka_shm = NULL; 762 if (check_period > 0) { 763 ka_shm = rte_keepalive_shm_create(); 764 if (ka_shm == NULL) 765 rte_exit(EXIT_FAILURE, 766 "rte_keepalive_shm_create() failed"); 767 rte_global_keepalive_info = 768 rte_keepalive_create(&dead_core, ka_shm); 769 if (rte_global_keepalive_info == NULL) 770 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 771 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 772 relay_core_state, ka_shm); 773 rte_timer_init(&hb_timer); 774 if (rte_timer_reset(&hb_timer, 775 (check_period * rte_get_timer_hz()) / 1000, 776 PERIODICAL, 777 rte_lcore_id(), 778 (void(*)(struct rte_timer*, void*)) 779 &rte_keepalive_dispatch_pings, 780 rte_global_keepalive_info 781 ) != 0 ) 782 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 783 } 784 if (timer_period > 0) { 785 if (rte_timer_reset(&stats_timer, 786 (timer_period * rte_get_timer_hz()) / 1000, 787 PERIODICAL, 788 rte_lcore_id(), 789 &print_stats, NULL 790 ) != 0 ) 791 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 792 } 793 /* launch per-lcore init on every slave lcore */ 794 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 795 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 796 797 if (qconf->n_rx_port == 0) 798 RTE_LOG(INFO, L2FWD, 799 "lcore %u has nothing to do\n", 800 lcore_id 801 ); 802 else { 803 rte_eal_remote_launch( 804 l2fwd_launch_one_lcore, 805 NULL, 806 lcore_id 807 ); 808 rte_keepalive_register_core(rte_global_keepalive_info, 809 lcore_id); 810 } 811 } 812 while (!terminate_signal_received) { 813 rte_timer_manage(); 814 rte_delay_ms(5); 815 } 816 817 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 818 if (rte_eal_wait_lcore(lcore_id) < 0) 819 return -1; 820 } 821 822 if (ka_shm != NULL) 823 rte_keepalive_shm_cleanup(ka_shm); 824 return 0; 825 } 826