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 128 56 #define RTE_TEST_TX_DESC_DEFAULT 512 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 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 .ignore_offload_bitfield = 1, 85 .offloads = DEV_RX_OFFLOAD_CRC_STRIP, 86 }, 87 .txmode = { 88 .mq_mode = ETH_MQ_TX_NONE, 89 }, 90 }; 91 92 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 93 94 /* Per-port statistics struct */ 95 struct l2fwd_port_statistics { 96 uint64_t tx; 97 uint64_t rx; 98 uint64_t dropped; 99 } __rte_cache_aligned; 100 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 101 102 /* A tsc-based timer responsible for triggering statistics printout */ 103 #define TIMER_MILLISECOND 1 104 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 105 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 106 static int64_t check_period = 5; /* default check cycle is 5ms */ 107 108 /* Keepalive structure */ 109 struct rte_keepalive *rte_global_keepalive_info; 110 111 /* Termination signalling */ 112 static int terminate_signal_received; 113 114 /* Termination signal handler */ 115 static void handle_sigterm(__rte_unused int value) 116 { 117 terminate_signal_received = 1; 118 } 119 120 /* Print out statistics on packets dropped */ 121 static void 122 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, 123 __attribute__((unused)) void *ptr_data) 124 { 125 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 126 uint16_t portid; 127 128 total_packets_dropped = 0; 129 total_packets_tx = 0; 130 total_packets_rx = 0; 131 132 const char clr[] = { 27, '[', '2', 'J', '\0' }; 133 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 134 135 /* Clear screen and move to top left */ 136 printf("%s%s", clr, topLeft); 137 138 printf("\nPort statistics ===================================="); 139 140 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 141 /* skip disabled ports */ 142 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 143 continue; 144 printf("\nStatistics for port %u ------------------------------" 145 "\nPackets sent: %24"PRIu64 146 "\nPackets received: %20"PRIu64 147 "\nPackets dropped: %21"PRIu64, 148 portid, 149 port_statistics[portid].tx, 150 port_statistics[portid].rx, 151 port_statistics[portid].dropped); 152 153 total_packets_dropped += port_statistics[portid].dropped; 154 total_packets_tx += port_statistics[portid].tx; 155 total_packets_rx += port_statistics[portid].rx; 156 } 157 printf("\nAggregate statistics ===============================" 158 "\nTotal packets sent: %18"PRIu64 159 "\nTotal packets received: %14"PRIu64 160 "\nTotal packets dropped: %15"PRIu64, 161 total_packets_tx, 162 total_packets_rx, 163 total_packets_dropped); 164 printf("\n====================================================\n"); 165 } 166 167 static void 168 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 169 { 170 struct ether_hdr *eth; 171 void *tmp; 172 int sent; 173 unsigned dst_port; 174 struct rte_eth_dev_tx_buffer *buffer; 175 176 dst_port = l2fwd_dst_ports[portid]; 177 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 178 179 /* 02:00:00:00:00:xx */ 180 tmp = ð->d_addr.addr_bytes[0]; 181 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 182 183 /* src addr */ 184 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 185 186 buffer = tx_buffer[dst_port]; 187 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 188 if (sent) 189 port_statistics[dst_port].tx += sent; 190 } 191 192 /* main processing loop */ 193 static void 194 l2fwd_main_loop(void) 195 { 196 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 197 struct rte_mbuf *m; 198 int sent; 199 unsigned lcore_id; 200 uint64_t prev_tsc, diff_tsc, cur_tsc; 201 unsigned i, j, portid, nb_rx; 202 struct lcore_queue_conf *qconf; 203 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 204 / US_PER_S * BURST_TX_DRAIN_US; 205 struct rte_eth_dev_tx_buffer *buffer; 206 207 prev_tsc = 0; 208 209 lcore_id = rte_lcore_id(); 210 qconf = &lcore_queue_conf[lcore_id]; 211 212 if (qconf->n_rx_port == 0) { 213 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 214 return; 215 } 216 217 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 218 219 for (i = 0; i < qconf->n_rx_port; i++) { 220 221 portid = qconf->rx_port_list[i]; 222 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 223 portid); 224 } 225 226 uint64_t tsc_initial = rte_rdtsc(); 227 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 228 229 while (!terminate_signal_received) { 230 /* Keepalive heartbeat */ 231 rte_keepalive_mark_alive(rte_global_keepalive_info); 232 233 cur_tsc = rte_rdtsc(); 234 235 /* 236 * Die randomly within 7 secs for demo purposes if 237 * keepalive enabled 238 */ 239 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 240 break; 241 242 /* 243 * TX burst queue drain 244 */ 245 diff_tsc = cur_tsc - prev_tsc; 246 if (unlikely(diff_tsc > drain_tsc)) { 247 248 for (i = 0; i < qconf->n_rx_port; i++) { 249 250 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 251 buffer = tx_buffer[portid]; 252 253 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 254 if (sent) 255 port_statistics[portid].tx += sent; 256 257 } 258 259 prev_tsc = cur_tsc; 260 } 261 262 /* 263 * Read packet from RX queues 264 */ 265 for (i = 0; i < qconf->n_rx_port; i++) { 266 267 portid = qconf->rx_port_list[i]; 268 nb_rx = rte_eth_rx_burst(portid, 0, 269 pkts_burst, MAX_PKT_BURST); 270 271 port_statistics[portid].rx += nb_rx; 272 273 for (j = 0; j < nb_rx; j++) { 274 m = pkts_burst[j]; 275 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 276 l2fwd_simple_forward(m, portid); 277 } 278 } 279 } 280 } 281 282 static int 283 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 284 { 285 l2fwd_main_loop(); 286 return 0; 287 } 288 289 /* display usage */ 290 static void 291 l2fwd_usage(const char *prgname) 292 { 293 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 294 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 295 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 296 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 297 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 298 prgname); 299 } 300 301 static int 302 l2fwd_parse_portmask(const char *portmask) 303 { 304 char *end = NULL; 305 unsigned long pm; 306 307 /* parse hexadecimal string */ 308 pm = strtoul(portmask, &end, 16); 309 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 310 return -1; 311 312 if (pm == 0) 313 return -1; 314 315 return pm; 316 } 317 318 static unsigned int 319 l2fwd_parse_nqueue(const char *q_arg) 320 { 321 char *end = NULL; 322 unsigned long n; 323 324 /* parse hexadecimal string */ 325 n = strtoul(q_arg, &end, 10); 326 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 327 return 0; 328 if (n == 0) 329 return 0; 330 if (n >= MAX_RX_QUEUE_PER_LCORE) 331 return 0; 332 333 return n; 334 } 335 336 static int 337 l2fwd_parse_timer_period(const char *q_arg) 338 { 339 char *end = NULL; 340 int n; 341 342 /* parse number string */ 343 n = strtol(q_arg, &end, 10); 344 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 345 return -1; 346 if (n >= MAX_TIMER_PERIOD) 347 return -1; 348 349 return n; 350 } 351 352 static int 353 l2fwd_parse_check_period(const char *q_arg) 354 { 355 char *end = NULL; 356 int n; 357 358 /* parse number string */ 359 n = strtol(q_arg, &end, 10); 360 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 361 return -1; 362 if (n >= MAX_TIMER_PERIOD) 363 return -1; 364 365 return n; 366 } 367 368 /* Parse the argument given in the command line of the application */ 369 static int 370 l2fwd_parse_args(int argc, char **argv) 371 { 372 int opt, ret; 373 char **argvopt; 374 int option_index; 375 char *prgname = argv[0]; 376 static struct option lgopts[] = { 377 {NULL, 0, 0, 0} 378 }; 379 380 argvopt = argv; 381 382 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 383 lgopts, &option_index)) != EOF) { 384 385 switch (opt) { 386 /* portmask */ 387 case 'p': 388 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 389 if (l2fwd_enabled_port_mask == 0) { 390 printf("invalid portmask\n"); 391 l2fwd_usage(prgname); 392 return -1; 393 } 394 break; 395 396 /* nqueue */ 397 case 'q': 398 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 399 if (l2fwd_rx_queue_per_lcore == 0) { 400 printf("invalid queue number\n"); 401 l2fwd_usage(prgname); 402 return -1; 403 } 404 break; 405 406 /* timer period */ 407 case 'T': 408 timer_period = l2fwd_parse_timer_period(optarg) 409 * (int64_t)(1000 * TIMER_MILLISECOND); 410 if (timer_period < 0) { 411 printf("invalid timer period\n"); 412 l2fwd_usage(prgname); 413 return -1; 414 } 415 break; 416 417 /* Check period */ 418 case 'K': 419 check_period = l2fwd_parse_check_period(optarg); 420 if (check_period < 0) { 421 printf("invalid check period\n"); 422 l2fwd_usage(prgname); 423 return -1; 424 } 425 break; 426 427 /* long options */ 428 case 0: 429 l2fwd_usage(prgname); 430 return -1; 431 432 default: 433 l2fwd_usage(prgname); 434 return -1; 435 } 436 } 437 438 if (optind >= 0) 439 argv[optind-1] = prgname; 440 441 ret = optind-1; 442 optind = 1; /* reset getopt lib */ 443 return ret; 444 } 445 446 /* Check the link status of all ports in up to 9s, and print them finally */ 447 static void 448 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 449 { 450 #define CHECK_INTERVAL 100 /* 100ms */ 451 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 452 uint16_t portid; 453 uint8_t 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 all_ports_up = 1; 460 for (portid = 0; portid < port_num; portid++) { 461 if ((port_mask & (1 << portid)) == 0) 462 continue; 463 memset(&link, 0, sizeof(link)); 464 rte_eth_link_get_nowait(portid, &link); 465 /* print link status if flag set */ 466 if (print_flag == 1) { 467 if (link.link_status) 468 printf( 469 "Port%d Link Up. Speed %u Mbps - %s\n", 470 portid, link.link_speed, 471 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 472 ("full-duplex") : ("half-duplex\n")); 473 else 474 printf("Port %d Link Down\n", portid); 475 continue; 476 } 477 /* clear all_ports_up flag if any link down */ 478 if (link.link_status == ETH_LINK_DOWN) { 479 all_ports_up = 0; 480 break; 481 } 482 } 483 /* after finally printing all link status, get out */ 484 if (print_flag == 1) 485 break; 486 487 if (all_ports_up == 0) { 488 printf("."); 489 fflush(stdout); 490 rte_delay_ms(CHECK_INTERVAL); 491 } 492 493 /* set the print_flag if all ports up or timeout */ 494 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 495 print_flag = 1; 496 printf("done\n"); 497 } 498 } 499 } 500 501 static void 502 dead_core(__rte_unused void *ptr_data, const int id_core) 503 { 504 if (terminate_signal_received) 505 return; 506 printf("Dead core %i - restarting..\n", id_core); 507 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 508 rte_eal_wait_lcore(id_core); 509 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 510 } else { 511 printf("..false positive!\n"); 512 } 513 } 514 515 static void 516 relay_core_state(void *ptr_data, const int id_core, 517 const enum rte_keepalive_state core_state, uint64_t last_alive) 518 { 519 rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data, 520 id_core, core_state, last_alive); 521 } 522 523 int 524 main(int argc, char **argv) 525 { 526 struct lcore_queue_conf *qconf; 527 int ret; 528 uint16_t nb_ports; 529 uint16_t nb_ports_available; 530 uint16_t portid, last_port; 531 unsigned lcore_id, rx_lcore_id; 532 unsigned nb_ports_in_mask = 0; 533 struct sigaction signal_handler; 534 struct rte_keepalive_shm *ka_shm; 535 536 memset(&signal_handler, 0, sizeof(signal_handler)); 537 terminate_signal_received = 0; 538 signal_handler.sa_handler = &handle_sigterm; 539 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 540 sigaction(SIGTERM, &signal_handler, NULL) == -1) 541 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 542 543 544 /* init EAL */ 545 ret = rte_eal_init(argc, argv); 546 if (ret < 0) 547 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 548 argc -= ret; 549 argv += ret; 550 551 l2fwd_enabled_port_mask = 0; 552 553 /* parse application arguments (after the EAL ones) */ 554 ret = l2fwd_parse_args(argc, argv); 555 if (ret < 0) 556 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 557 558 /* create the mbuf pool */ 559 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 560 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 561 if (l2fwd_pktmbuf_pool == NULL) 562 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 563 564 nb_ports = rte_eth_dev_count(); 565 if (nb_ports == 0) 566 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 567 568 /* reset l2fwd_dst_ports */ 569 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 570 l2fwd_dst_ports[portid] = 0; 571 last_port = 0; 572 573 /* 574 * Each logical core is assigned a dedicated TX queue on each port. 575 */ 576 for (portid = 0; portid < nb_ports; portid++) { 577 /* skip ports that are not enabled */ 578 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 579 continue; 580 581 if (nb_ports_in_mask % 2) { 582 l2fwd_dst_ports[portid] = last_port; 583 l2fwd_dst_ports[last_port] = portid; 584 } else 585 last_port = portid; 586 587 nb_ports_in_mask++; 588 } 589 if (nb_ports_in_mask % 2) { 590 printf("Notice: odd number of ports in portmask.\n"); 591 l2fwd_dst_ports[last_port] = last_port; 592 } 593 594 rx_lcore_id = 1; 595 qconf = NULL; 596 597 /* Initialize the port/queue configuration of each logical core */ 598 for (portid = 0; portid < nb_ports; portid++) { 599 /* skip ports that are not enabled */ 600 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 601 continue; 602 603 /* get the lcore_id for this port */ 604 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 605 lcore_queue_conf[rx_lcore_id].n_rx_port == 606 l2fwd_rx_queue_per_lcore) { 607 rx_lcore_id++; 608 if (rx_lcore_id >= RTE_MAX_LCORE) 609 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 610 } 611 612 if (qconf != &lcore_queue_conf[rx_lcore_id]) 613 /* Assigned a new logical core in the loop above. */ 614 qconf = &lcore_queue_conf[rx_lcore_id]; 615 616 qconf->rx_port_list[qconf->n_rx_port] = portid; 617 qconf->n_rx_port++; 618 printf("Lcore %u: RX port %u\n", 619 rx_lcore_id, portid); 620 } 621 622 nb_ports_available = nb_ports; 623 624 /* Initialise each port */ 625 for (portid = 0; portid < nb_ports; portid++) { 626 struct rte_eth_dev_info dev_info; 627 struct rte_eth_rxconf rxq_conf; 628 struct rte_eth_txconf txq_conf; 629 struct rte_eth_conf local_port_conf = port_conf; 630 631 /* skip ports that are not enabled */ 632 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 633 printf("Skipping disabled port %u\n", portid); 634 nb_ports_available--; 635 continue; 636 } 637 /* init port */ 638 printf("Initializing port %u... ", portid); 639 fflush(stdout); 640 rte_eth_dev_info_get(portid, &dev_info); 641 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 642 local_port_conf.txmode.offloads |= 643 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 644 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 645 if (ret < 0) 646 rte_exit(EXIT_FAILURE, 647 "Cannot configure device: err=%d, port=%u\n", 648 ret, portid); 649 650 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 651 &nb_txd); 652 if (ret < 0) 653 rte_exit(EXIT_FAILURE, 654 "Cannot adjust number of descriptors: err=%d, port=%u\n", 655 ret, portid); 656 657 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 658 659 /* init one RX queue */ 660 fflush(stdout); 661 rxq_conf = dev_info.default_rxconf; 662 rxq_conf.offloads = local_port_conf.rxmode.offloads; 663 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 664 rte_eth_dev_socket_id(portid), 665 &rxq_conf, 666 l2fwd_pktmbuf_pool); 667 if (ret < 0) 668 rte_exit(EXIT_FAILURE, 669 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 670 ret, portid); 671 672 /* init one TX queue on each port */ 673 fflush(stdout); 674 txq_conf = dev_info.default_txconf; 675 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; 676 txq_conf.offloads = local_port_conf.txmode.offloads; 677 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 678 rte_eth_dev_socket_id(portid), 679 &txq_conf); 680 if (ret < 0) 681 rte_exit(EXIT_FAILURE, 682 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 683 ret, portid); 684 685 /* Initialize TX buffers */ 686 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 687 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 688 rte_eth_dev_socket_id(portid)); 689 if (tx_buffer[portid] == NULL) 690 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 691 portid); 692 693 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 694 695 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 696 rte_eth_tx_buffer_count_callback, 697 &port_statistics[portid].dropped); 698 if (ret < 0) 699 rte_exit(EXIT_FAILURE, 700 "Cannot set error callback for tx buffer on port %u\n", 701 portid); 702 703 /* Start device */ 704 ret = rte_eth_dev_start(portid); 705 if (ret < 0) 706 rte_exit(EXIT_FAILURE, 707 "rte_eth_dev_start:err=%d, port=%u\n", 708 ret, portid); 709 710 rte_eth_promiscuous_enable(portid); 711 712 printf("Port %u, MAC address: " 713 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 714 portid, 715 l2fwd_ports_eth_addr[portid].addr_bytes[0], 716 l2fwd_ports_eth_addr[portid].addr_bytes[1], 717 l2fwd_ports_eth_addr[portid].addr_bytes[2], 718 l2fwd_ports_eth_addr[portid].addr_bytes[3], 719 l2fwd_ports_eth_addr[portid].addr_bytes[4], 720 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 721 722 /* initialize port stats */ 723 memset(&port_statistics, 0, sizeof(port_statistics)); 724 } 725 726 if (!nb_ports_available) { 727 rte_exit(EXIT_FAILURE, 728 "All available ports are disabled. Please set portmask.\n"); 729 } 730 731 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 732 733 struct rte_timer hb_timer, stats_timer; 734 735 rte_timer_subsystem_init(); 736 rte_timer_init(&stats_timer); 737 738 ka_shm = NULL; 739 if (check_period > 0) { 740 ka_shm = rte_keepalive_shm_create(); 741 if (ka_shm == NULL) 742 rte_exit(EXIT_FAILURE, 743 "rte_keepalive_shm_create() failed"); 744 rte_global_keepalive_info = 745 rte_keepalive_create(&dead_core, ka_shm); 746 if (rte_global_keepalive_info == NULL) 747 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 748 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 749 relay_core_state, ka_shm); 750 rte_timer_init(&hb_timer); 751 if (rte_timer_reset(&hb_timer, 752 (check_period * rte_get_timer_hz()) / 1000, 753 PERIODICAL, 754 rte_lcore_id(), 755 (void(*)(struct rte_timer*, void*)) 756 &rte_keepalive_dispatch_pings, 757 rte_global_keepalive_info 758 ) != 0 ) 759 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 760 } 761 if (timer_period > 0) { 762 if (rte_timer_reset(&stats_timer, 763 (timer_period * rte_get_timer_hz()) / 1000, 764 PERIODICAL, 765 rte_lcore_id(), 766 &print_stats, NULL 767 ) != 0 ) 768 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 769 } 770 /* launch per-lcore init on every slave lcore */ 771 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 772 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 773 774 if (qconf->n_rx_port == 0) 775 RTE_LOG(INFO, L2FWD, 776 "lcore %u has nothing to do\n", 777 lcore_id 778 ); 779 else { 780 rte_eal_remote_launch( 781 l2fwd_launch_one_lcore, 782 NULL, 783 lcore_id 784 ); 785 rte_keepalive_register_core(rte_global_keepalive_info, 786 lcore_id); 787 } 788 } 789 while (!terminate_signal_received) { 790 rte_timer_manage(); 791 rte_delay_ms(5); 792 } 793 794 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 795 if (rte_eal_wait_lcore(lcore_id) < 0) 796 return -1; 797 } 798 799 if (ka_shm != NULL) 800 rte_keepalive_shm_cleanup(ka_shm); 801 return 0; 802 } 803