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 8192 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(__attribute__((unused)) struct rte_timer *ptr_timer, 121 __attribute__((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(__attribute__((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 struct sigaction signal_handler; 540 struct rte_keepalive_shm *ka_shm; 541 542 memset(&signal_handler, 0, sizeof(signal_handler)); 543 terminate_signal_received = 0; 544 signal_handler.sa_handler = &handle_sigterm; 545 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 546 sigaction(SIGTERM, &signal_handler, NULL) == -1) 547 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 548 549 550 /* init EAL */ 551 ret = rte_eal_init(argc, argv); 552 if (ret < 0) 553 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 554 argc -= ret; 555 argv += ret; 556 557 l2fwd_enabled_port_mask = 0; 558 559 /* parse application arguments (after the EAL ones) */ 560 ret = l2fwd_parse_args(argc, argv); 561 if (ret < 0) 562 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 563 564 /* create the mbuf pool */ 565 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 566 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 567 if (l2fwd_pktmbuf_pool == NULL) 568 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 569 570 nb_ports = rte_eth_dev_count_avail(); 571 if (nb_ports == 0) 572 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 573 574 /* reset l2fwd_dst_ports */ 575 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 576 l2fwd_dst_ports[portid] = 0; 577 last_port = 0; 578 579 /* 580 * Each logical core is assigned a dedicated TX queue on each port. 581 */ 582 RTE_ETH_FOREACH_DEV(portid) { 583 /* skip ports that are not enabled */ 584 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 585 continue; 586 587 if (nb_ports_in_mask % 2) { 588 l2fwd_dst_ports[portid] = last_port; 589 l2fwd_dst_ports[last_port] = portid; 590 } else 591 last_port = portid; 592 593 nb_ports_in_mask++; 594 } 595 if (nb_ports_in_mask % 2) { 596 printf("Notice: odd number of ports in portmask.\n"); 597 l2fwd_dst_ports[last_port] = last_port; 598 } 599 600 rx_lcore_id = 1; 601 qconf = NULL; 602 603 /* Initialize the port/queue configuration of each logical core */ 604 RTE_ETH_FOREACH_DEV(portid) { 605 /* skip ports that are not enabled */ 606 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 607 continue; 608 609 /* get the lcore_id for this port */ 610 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 611 lcore_queue_conf[rx_lcore_id].n_rx_port == 612 l2fwd_rx_queue_per_lcore) { 613 rx_lcore_id++; 614 if (rx_lcore_id >= RTE_MAX_LCORE) 615 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 616 } 617 618 if (qconf != &lcore_queue_conf[rx_lcore_id]) 619 /* Assigned a new logical core in the loop above. */ 620 qconf = &lcore_queue_conf[rx_lcore_id]; 621 622 qconf->rx_port_list[qconf->n_rx_port] = portid; 623 qconf->n_rx_port++; 624 printf("Lcore %u: RX port %u\n", 625 rx_lcore_id, portid); 626 } 627 628 /* Initialise each port */ 629 RTE_ETH_FOREACH_DEV(portid) { 630 struct rte_eth_dev_info dev_info; 631 struct rte_eth_rxconf rxq_conf; 632 struct rte_eth_txconf txq_conf; 633 struct rte_eth_conf local_port_conf = port_conf; 634 635 /* skip ports that are not enabled */ 636 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 637 printf("Skipping disabled port %u\n", portid); 638 continue; 639 } 640 nb_ports_available++; 641 642 /* init port */ 643 printf("Initializing port %u... ", portid); 644 fflush(stdout); 645 646 ret = rte_eth_dev_info_get(portid, &dev_info); 647 if (ret != 0) 648 rte_exit(EXIT_FAILURE, 649 "Error during getting device (port %u) info: %s\n", 650 portid, strerror(-ret)); 651 652 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 653 local_port_conf.txmode.offloads |= 654 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 655 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 656 if (ret < 0) 657 rte_exit(EXIT_FAILURE, 658 "Cannot configure device: err=%d, port=%u\n", 659 ret, portid); 660 661 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 662 &nb_txd); 663 if (ret < 0) 664 rte_exit(EXIT_FAILURE, 665 "Cannot adjust number of descriptors: err=%d, port=%u\n", 666 ret, portid); 667 668 ret = rte_eth_macaddr_get(portid, 669 &l2fwd_ports_eth_addr[portid]); 670 if (ret < 0) 671 rte_exit(EXIT_FAILURE, 672 "Cannot mac address: err=%d, port=%u\n", 673 ret, portid); 674 675 /* init one RX queue */ 676 fflush(stdout); 677 rxq_conf = dev_info.default_rxconf; 678 rxq_conf.offloads = local_port_conf.rxmode.offloads; 679 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 680 rte_eth_dev_socket_id(portid), 681 &rxq_conf, 682 l2fwd_pktmbuf_pool); 683 if (ret < 0) 684 rte_exit(EXIT_FAILURE, 685 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 686 ret, portid); 687 688 /* init one TX queue on each port */ 689 fflush(stdout); 690 txq_conf = dev_info.default_txconf; 691 txq_conf.offloads = local_port_conf.txmode.offloads; 692 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 693 rte_eth_dev_socket_id(portid), 694 &txq_conf); 695 if (ret < 0) 696 rte_exit(EXIT_FAILURE, 697 "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 /* Start device */ 719 ret = rte_eth_dev_start(portid); 720 if (ret < 0) 721 rte_exit(EXIT_FAILURE, 722 "rte_eth_dev_start:err=%d, port=%u\n", 723 ret, portid); 724 725 ret = rte_eth_promiscuous_enable(portid); 726 if (ret != 0) 727 rte_exit(EXIT_FAILURE, 728 "rte_eth_promiscuous_enable:err=%s, port=%u\n", 729 rte_strerror(-ret), portid); 730 731 printf("Port %u, MAC address: " 732 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 733 portid, 734 l2fwd_ports_eth_addr[portid].addr_bytes[0], 735 l2fwd_ports_eth_addr[portid].addr_bytes[1], 736 l2fwd_ports_eth_addr[portid].addr_bytes[2], 737 l2fwd_ports_eth_addr[portid].addr_bytes[3], 738 l2fwd_ports_eth_addr[portid].addr_bytes[4], 739 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 740 741 /* initialize port stats */ 742 memset(&port_statistics, 0, sizeof(port_statistics)); 743 } 744 745 if (!nb_ports_available) { 746 rte_exit(EXIT_FAILURE, 747 "All available ports are disabled. Please set portmask.\n"); 748 } 749 750 check_all_ports_link_status(l2fwd_enabled_port_mask); 751 752 struct rte_timer hb_timer, stats_timer; 753 754 rte_timer_subsystem_init(); 755 rte_timer_init(&stats_timer); 756 757 ka_shm = NULL; 758 if (check_period > 0) { 759 ka_shm = rte_keepalive_shm_create(); 760 if (ka_shm == NULL) 761 rte_exit(EXIT_FAILURE, 762 "rte_keepalive_shm_create() failed"); 763 rte_global_keepalive_info = 764 rte_keepalive_create(&dead_core, ka_shm); 765 if (rte_global_keepalive_info == NULL) 766 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 767 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 768 relay_core_state, ka_shm); 769 rte_timer_init(&hb_timer); 770 if (rte_timer_reset(&hb_timer, 771 (check_period * rte_get_timer_hz()) / 1000, 772 PERIODICAL, 773 rte_lcore_id(), 774 (void(*)(struct rte_timer*, void*)) 775 &rte_keepalive_dispatch_pings, 776 rte_global_keepalive_info 777 ) != 0 ) 778 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 779 } 780 if (timer_period > 0) { 781 if (rte_timer_reset(&stats_timer, 782 (timer_period * rte_get_timer_hz()) / 1000, 783 PERIODICAL, 784 rte_lcore_id(), 785 &print_stats, NULL 786 ) != 0 ) 787 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 788 } 789 /* launch per-lcore init on every slave lcore */ 790 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 791 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 792 793 if (qconf->n_rx_port == 0) 794 RTE_LOG(INFO, L2FWD, 795 "lcore %u has nothing to do\n", 796 lcore_id 797 ); 798 else { 799 rte_eal_remote_launch( 800 l2fwd_launch_one_lcore, 801 NULL, 802 lcore_id 803 ); 804 rte_keepalive_register_core(rte_global_keepalive_info, 805 lcore_id); 806 } 807 } 808 while (!terminate_signal_received) { 809 rte_timer_manage(); 810 rte_delay_ms(5); 811 } 812 813 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 814 if (rte_eal_wait_lcore(lcore_id) < 0) 815 return -1; 816 } 817 818 if (ka_shm != NULL) 819 rte_keepalive_shm_cleanup(ka_shm); 820 return 0; 821 } 822