1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2016 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 49 #include <rte_common.h> 50 #include <rte_log.h> 51 #include <rte_malloc.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_mempool.h> 71 #include <rte_mbuf.h> 72 #include <rte_timer.h> 73 #include <rte_keepalive.h> 74 75 #include "shm.h" 76 77 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 78 79 #define NB_MBUF 8192 80 81 #define MAX_PKT_BURST 32 82 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 83 84 /* 85 * Configurable number of RX/TX ring descriptors 86 */ 87 #define RTE_TEST_RX_DESC_DEFAULT 128 88 #define RTE_TEST_TX_DESC_DEFAULT 512 89 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 90 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 91 92 /* ethernet addresses of ports */ 93 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 94 95 /* mask of enabled ports */ 96 static uint32_t l2fwd_enabled_port_mask; 97 98 /* list of enabled ports */ 99 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 100 101 static unsigned int l2fwd_rx_queue_per_lcore = 1; 102 103 #define MAX_RX_QUEUE_PER_LCORE 16 104 #define MAX_TX_QUEUE_PER_PORT 16 105 struct lcore_queue_conf { 106 unsigned n_rx_port; 107 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 108 } __rte_cache_aligned; 109 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 110 111 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 112 113 static const struct rte_eth_conf port_conf = { 114 .rxmode = { 115 .split_hdr_size = 0, 116 .header_split = 0, /**< Header Split disabled */ 117 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 118 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 119 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 120 .hw_strip_crc = 1, /**< CRC stripped by hardware */ 121 }, 122 .txmode = { 123 .mq_mode = ETH_MQ_TX_NONE, 124 }, 125 }; 126 127 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 128 129 /* Per-port statistics struct */ 130 struct l2fwd_port_statistics { 131 uint64_t tx; 132 uint64_t rx; 133 uint64_t dropped; 134 } __rte_cache_aligned; 135 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 136 137 /* A tsc-based timer responsible for triggering statistics printout */ 138 #define TIMER_MILLISECOND 1 139 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 140 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 141 static int64_t check_period = 5; /* default check cycle is 5ms */ 142 143 /* Keepalive structure */ 144 struct rte_keepalive *rte_global_keepalive_info; 145 146 /* Termination signalling */ 147 static int terminate_signal_received; 148 149 /* Termination signal handler */ 150 static void handle_sigterm(__rte_unused int value) 151 { 152 terminate_signal_received = 1; 153 } 154 155 /* Print out statistics on packets dropped */ 156 static void 157 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, 158 __attribute__((unused)) void *ptr_data) 159 { 160 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 161 unsigned portid; 162 163 total_packets_dropped = 0; 164 total_packets_tx = 0; 165 total_packets_rx = 0; 166 167 const char clr[] = { 27, '[', '2', 'J', '\0' }; 168 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 169 170 /* Clear screen and move to top left */ 171 printf("%s%s", clr, topLeft); 172 173 printf("\nPort statistics ===================================="); 174 175 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 176 /* skip disabled ports */ 177 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 178 continue; 179 printf("\nStatistics for port %u ------------------------------" 180 "\nPackets sent: %24"PRIu64 181 "\nPackets received: %20"PRIu64 182 "\nPackets dropped: %21"PRIu64, 183 portid, 184 port_statistics[portid].tx, 185 port_statistics[portid].rx, 186 port_statistics[portid].dropped); 187 188 total_packets_dropped += port_statistics[portid].dropped; 189 total_packets_tx += port_statistics[portid].tx; 190 total_packets_rx += port_statistics[portid].rx; 191 } 192 printf("\nAggregate statistics ===============================" 193 "\nTotal packets sent: %18"PRIu64 194 "\nTotal packets received: %14"PRIu64 195 "\nTotal packets dropped: %15"PRIu64, 196 total_packets_tx, 197 total_packets_rx, 198 total_packets_dropped); 199 printf("\n====================================================\n"); 200 } 201 202 static void 203 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 204 { 205 struct ether_hdr *eth; 206 void *tmp; 207 int sent; 208 unsigned dst_port; 209 struct rte_eth_dev_tx_buffer *buffer; 210 211 dst_port = l2fwd_dst_ports[portid]; 212 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 213 214 /* 02:00:00:00:00:xx */ 215 tmp = ð->d_addr.addr_bytes[0]; 216 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 217 218 /* src addr */ 219 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 220 221 buffer = tx_buffer[dst_port]; 222 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 223 if (sent) 224 port_statistics[dst_port].tx += sent; 225 } 226 227 /* main processing loop */ 228 static void 229 l2fwd_main_loop(void) 230 { 231 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 232 struct rte_mbuf *m; 233 int sent; 234 unsigned lcore_id; 235 uint64_t prev_tsc, diff_tsc, cur_tsc; 236 unsigned i, j, portid, nb_rx; 237 struct lcore_queue_conf *qconf; 238 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 239 / US_PER_S * BURST_TX_DRAIN_US; 240 struct rte_eth_dev_tx_buffer *buffer; 241 242 prev_tsc = 0; 243 244 lcore_id = rte_lcore_id(); 245 qconf = &lcore_queue_conf[lcore_id]; 246 247 if (qconf->n_rx_port == 0) { 248 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 249 return; 250 } 251 252 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 253 254 for (i = 0; i < qconf->n_rx_port; i++) { 255 256 portid = qconf->rx_port_list[i]; 257 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 258 portid); 259 } 260 261 uint64_t tsc_initial = rte_rdtsc(); 262 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 263 264 while (!terminate_signal_received) { 265 /* Keepalive heartbeat */ 266 rte_keepalive_mark_alive(rte_global_keepalive_info); 267 268 cur_tsc = rte_rdtsc(); 269 270 /* 271 * Die randomly within 7 secs for demo purposes if 272 * keepalive enabled 273 */ 274 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 275 break; 276 277 /* 278 * TX burst queue drain 279 */ 280 diff_tsc = cur_tsc - prev_tsc; 281 if (unlikely(diff_tsc > drain_tsc)) { 282 283 for (i = 0; i < qconf->n_rx_port; i++) { 284 285 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 286 buffer = tx_buffer[portid]; 287 288 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 289 if (sent) 290 port_statistics[portid].tx += sent; 291 292 } 293 294 prev_tsc = cur_tsc; 295 } 296 297 /* 298 * Read packet from RX queues 299 */ 300 for (i = 0; i < qconf->n_rx_port; i++) { 301 302 portid = qconf->rx_port_list[i]; 303 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 304 pkts_burst, MAX_PKT_BURST); 305 306 port_statistics[portid].rx += nb_rx; 307 308 for (j = 0; j < nb_rx; j++) { 309 m = pkts_burst[j]; 310 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 311 l2fwd_simple_forward(m, portid); 312 } 313 } 314 } 315 } 316 317 static int 318 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 319 { 320 l2fwd_main_loop(); 321 return 0; 322 } 323 324 /* display usage */ 325 static void 326 l2fwd_usage(const char *prgname) 327 { 328 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 329 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 330 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 331 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 332 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 333 prgname); 334 } 335 336 static int 337 l2fwd_parse_portmask(const char *portmask) 338 { 339 char *end = NULL; 340 unsigned long pm; 341 342 /* parse hexadecimal string */ 343 pm = strtoul(portmask, &end, 16); 344 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 345 return -1; 346 347 if (pm == 0) 348 return -1; 349 350 return pm; 351 } 352 353 static unsigned int 354 l2fwd_parse_nqueue(const char *q_arg) 355 { 356 char *end = NULL; 357 unsigned long n; 358 359 /* parse hexadecimal string */ 360 n = strtoul(q_arg, &end, 10); 361 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 362 return 0; 363 if (n == 0) 364 return 0; 365 if (n >= MAX_RX_QUEUE_PER_LCORE) 366 return 0; 367 368 return n; 369 } 370 371 static int 372 l2fwd_parse_timer_period(const char *q_arg) 373 { 374 char *end = NULL; 375 int n; 376 377 /* parse number string */ 378 n = strtol(q_arg, &end, 10); 379 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 380 return -1; 381 if (n >= MAX_TIMER_PERIOD) 382 return -1; 383 384 return n; 385 } 386 387 static int 388 l2fwd_parse_check_period(const char *q_arg) 389 { 390 char *end = NULL; 391 int n; 392 393 /* parse number string */ 394 n = strtol(q_arg, &end, 10); 395 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 396 return -1; 397 if (n >= MAX_TIMER_PERIOD) 398 return -1; 399 400 return n; 401 } 402 403 /* Parse the argument given in the command line of the application */ 404 static int 405 l2fwd_parse_args(int argc, char **argv) 406 { 407 int opt, ret; 408 char **argvopt; 409 int option_index; 410 char *prgname = argv[0]; 411 static struct option lgopts[] = { 412 {NULL, 0, 0, 0} 413 }; 414 415 argvopt = argv; 416 417 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 418 lgopts, &option_index)) != EOF) { 419 420 switch (opt) { 421 /* portmask */ 422 case 'p': 423 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 424 if (l2fwd_enabled_port_mask == 0) { 425 printf("invalid portmask\n"); 426 l2fwd_usage(prgname); 427 return -1; 428 } 429 break; 430 431 /* nqueue */ 432 case 'q': 433 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 434 if (l2fwd_rx_queue_per_lcore == 0) { 435 printf("invalid queue number\n"); 436 l2fwd_usage(prgname); 437 return -1; 438 } 439 break; 440 441 /* timer period */ 442 case 'T': 443 timer_period = l2fwd_parse_timer_period(optarg) 444 * (int64_t)(1000 * TIMER_MILLISECOND); 445 if (timer_period < 0) { 446 printf("invalid timer period\n"); 447 l2fwd_usage(prgname); 448 return -1; 449 } 450 break; 451 452 /* Check period */ 453 case 'K': 454 check_period = l2fwd_parse_check_period(optarg); 455 if (check_period < 0) { 456 printf("invalid check period\n"); 457 l2fwd_usage(prgname); 458 return -1; 459 } 460 break; 461 462 /* long options */ 463 case 0: 464 l2fwd_usage(prgname); 465 return -1; 466 467 default: 468 l2fwd_usage(prgname); 469 return -1; 470 } 471 } 472 473 if (optind >= 0) 474 argv[optind-1] = prgname; 475 476 ret = optind-1; 477 optind = 1; /* reset getopt lib */ 478 return ret; 479 } 480 481 /* Check the link status of all ports in up to 9s, and print them finally */ 482 static void 483 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 484 { 485 #define CHECK_INTERVAL 100 /* 100ms */ 486 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 487 uint8_t portid, count, all_ports_up, print_flag = 0; 488 struct rte_eth_link link; 489 490 printf("\nChecking link status"); 491 fflush(stdout); 492 for (count = 0; count <= MAX_CHECK_TIME; count++) { 493 all_ports_up = 1; 494 for (portid = 0; portid < port_num; portid++) { 495 if ((port_mask & (1 << portid)) == 0) 496 continue; 497 memset(&link, 0, sizeof(link)); 498 rte_eth_link_get_nowait(portid, &link); 499 /* print link status if flag set */ 500 if (print_flag == 1) { 501 if (link.link_status) 502 printf("Port %d Link Up - speed %u " 503 "Mbps - %s\n", (uint8_t)portid, 504 (unsigned)link.link_speed, 505 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 506 ("full-duplex") : ("half-duplex\n")); 507 else 508 printf("Port %d Link Down\n", 509 (uint8_t)portid); 510 continue; 511 } 512 /* clear all_ports_up flag if any link down */ 513 if (link.link_status == ETH_LINK_DOWN) { 514 all_ports_up = 0; 515 break; 516 } 517 } 518 /* after finally printing all link status, get out */ 519 if (print_flag == 1) 520 break; 521 522 if (all_ports_up == 0) { 523 printf("."); 524 fflush(stdout); 525 rte_delay_ms(CHECK_INTERVAL); 526 } 527 528 /* set the print_flag if all ports up or timeout */ 529 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 530 print_flag = 1; 531 printf("done\n"); 532 } 533 } 534 } 535 536 static void 537 dead_core(__rte_unused void *ptr_data, const int id_core) 538 { 539 if (terminate_signal_received) 540 return; 541 printf("Dead core %i - restarting..\n", id_core); 542 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 543 rte_eal_wait_lcore(id_core); 544 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 545 } else { 546 printf("..false positive!\n"); 547 } 548 } 549 550 static void 551 relay_core_state(void *ptr_data, const int id_core, 552 const enum rte_keepalive_state core_state, uint64_t last_alive) 553 { 554 rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data, 555 id_core, core_state, last_alive); 556 } 557 558 int 559 main(int argc, char **argv) 560 { 561 struct lcore_queue_conf *qconf; 562 struct rte_eth_dev_info dev_info; 563 int ret; 564 uint8_t nb_ports; 565 uint8_t nb_ports_available; 566 uint8_t portid, last_port; 567 unsigned lcore_id, rx_lcore_id; 568 unsigned nb_ports_in_mask = 0; 569 struct sigaction signal_handler; 570 struct rte_keepalive_shm *ka_shm; 571 572 memset(&signal_handler, 0, sizeof(signal_handler)); 573 terminate_signal_received = 0; 574 signal_handler.sa_handler = &handle_sigterm; 575 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 576 sigaction(SIGTERM, &signal_handler, NULL) == -1) 577 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 578 579 580 /* init EAL */ 581 ret = rte_eal_init(argc, argv); 582 if (ret < 0) 583 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 584 argc -= ret; 585 argv += ret; 586 587 l2fwd_enabled_port_mask = 0; 588 589 /* parse application arguments (after the EAL ones) */ 590 ret = l2fwd_parse_args(argc, argv); 591 if (ret < 0) 592 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 593 594 /* create the mbuf pool */ 595 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 596 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 597 if (l2fwd_pktmbuf_pool == NULL) 598 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 599 600 nb_ports = rte_eth_dev_count(); 601 if (nb_ports == 0) 602 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 603 604 /* reset l2fwd_dst_ports */ 605 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 606 l2fwd_dst_ports[portid] = 0; 607 last_port = 0; 608 609 /* 610 * Each logical core is assigned a dedicated TX queue on each port. 611 */ 612 for (portid = 0; portid < nb_ports; portid++) { 613 /* skip ports that are not enabled */ 614 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 615 continue; 616 617 if (nb_ports_in_mask % 2) { 618 l2fwd_dst_ports[portid] = last_port; 619 l2fwd_dst_ports[last_port] = portid; 620 } else 621 last_port = portid; 622 623 nb_ports_in_mask++; 624 625 rte_eth_dev_info_get(portid, &dev_info); 626 } 627 if (nb_ports_in_mask % 2) { 628 printf("Notice: odd number of ports in portmask.\n"); 629 l2fwd_dst_ports[last_port] = last_port; 630 } 631 632 rx_lcore_id = 1; 633 qconf = NULL; 634 635 /* Initialize the port/queue configuration of each logical core */ 636 for (portid = 0; portid < nb_ports; portid++) { 637 /* skip ports that are not enabled */ 638 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 639 continue; 640 641 /* get the lcore_id for this port */ 642 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 643 lcore_queue_conf[rx_lcore_id].n_rx_port == 644 l2fwd_rx_queue_per_lcore) { 645 rx_lcore_id++; 646 if (rx_lcore_id >= RTE_MAX_LCORE) 647 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 648 } 649 650 if (qconf != &lcore_queue_conf[rx_lcore_id]) 651 /* Assigned a new logical core in the loop above. */ 652 qconf = &lcore_queue_conf[rx_lcore_id]; 653 654 qconf->rx_port_list[qconf->n_rx_port] = portid; 655 qconf->n_rx_port++; 656 printf("Lcore %u: RX port %u\n", 657 rx_lcore_id, (unsigned) portid); 658 } 659 660 nb_ports_available = nb_ports; 661 662 /* Initialise each port */ 663 for (portid = 0; portid < nb_ports; portid++) { 664 /* skip ports that are not enabled */ 665 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 666 printf("Skipping disabled port %u\n", 667 (unsigned) portid); 668 nb_ports_available--; 669 continue; 670 } 671 /* init port */ 672 printf("Initializing port %u... ", (unsigned) portid); 673 fflush(stdout); 674 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 675 if (ret < 0) 676 rte_exit(EXIT_FAILURE, 677 "Cannot configure device: err=%d, port=%u\n", 678 ret, (unsigned) portid); 679 680 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 681 682 /* init one RX queue */ 683 fflush(stdout); 684 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 685 rte_eth_dev_socket_id(portid), 686 NULL, 687 l2fwd_pktmbuf_pool); 688 if (ret < 0) 689 rte_exit(EXIT_FAILURE, 690 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 691 ret, (unsigned) portid); 692 693 /* init one TX queue on each port */ 694 fflush(stdout); 695 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 696 rte_eth_dev_socket_id(portid), 697 NULL); 698 if (ret < 0) 699 rte_exit(EXIT_FAILURE, 700 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 701 ret, (unsigned) portid); 702 703 /* Initialize TX buffers */ 704 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 705 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 706 rte_eth_dev_socket_id(portid)); 707 if (tx_buffer[portid] == NULL) 708 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 709 (unsigned) portid); 710 711 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 712 713 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 714 rte_eth_tx_buffer_count_callback, 715 &port_statistics[portid].dropped); 716 if (ret < 0) 717 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 718 "tx buffer on port %u\n", (unsigned) portid); 719 720 /* Start device */ 721 ret = rte_eth_dev_start(portid); 722 if (ret < 0) 723 rte_exit(EXIT_FAILURE, 724 "rte_eth_dev_start:err=%d, port=%u\n", 725 ret, (unsigned) portid); 726 727 rte_eth_promiscuous_enable(portid); 728 729 printf("Port %u, MAC address: " 730 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 731 (unsigned) portid, 732 l2fwd_ports_eth_addr[portid].addr_bytes[0], 733 l2fwd_ports_eth_addr[portid].addr_bytes[1], 734 l2fwd_ports_eth_addr[portid].addr_bytes[2], 735 l2fwd_ports_eth_addr[portid].addr_bytes[3], 736 l2fwd_ports_eth_addr[portid].addr_bytes[4], 737 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 738 739 /* initialize port stats */ 740 memset(&port_statistics, 0, sizeof(port_statistics)); 741 } 742 743 if (!nb_ports_available) { 744 rte_exit(EXIT_FAILURE, 745 "All available ports are disabled. Please set portmask.\n"); 746 } 747 748 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 749 750 struct rte_timer hb_timer, stats_timer; 751 752 rte_timer_subsystem_init(); 753 rte_timer_init(&stats_timer); 754 755 ka_shm = NULL; 756 if (check_period > 0) { 757 ka_shm = rte_keepalive_shm_create(); 758 if (ka_shm == NULL) 759 rte_exit(EXIT_FAILURE, 760 "rte_keepalive_shm_create() failed"); 761 rte_global_keepalive_info = 762 rte_keepalive_create(&dead_core, ka_shm); 763 if (rte_global_keepalive_info == NULL) 764 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 765 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 766 relay_core_state, ka_shm); 767 rte_timer_init(&hb_timer); 768 if (rte_timer_reset(&hb_timer, 769 (check_period * rte_get_timer_hz()) / 1000, 770 PERIODICAL, 771 rte_lcore_id(), 772 (void(*)(struct rte_timer*, void*)) 773 &rte_keepalive_dispatch_pings, 774 rte_global_keepalive_info 775 ) != 0 ) 776 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 777 } 778 if (timer_period > 0) { 779 if (rte_timer_reset(&stats_timer, 780 (timer_period * rte_get_timer_hz()) / 1000, 781 PERIODICAL, 782 rte_lcore_id(), 783 &print_stats, NULL 784 ) != 0 ) 785 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 786 } 787 /* launch per-lcore init on every slave lcore */ 788 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 789 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 790 791 if (qconf->n_rx_port == 0) 792 RTE_LOG(INFO, L2FWD, 793 "lcore %u has nothing to do\n", 794 lcore_id 795 ); 796 else { 797 rte_eal_remote_launch( 798 l2fwd_launch_one_lcore, 799 NULL, 800 lcore_id 801 ); 802 rte_keepalive_register_core(rte_global_keepalive_info, 803 lcore_id); 804 } 805 } 806 while (!terminate_signal_received) { 807 rte_timer_manage(); 808 rte_delay_ms(5); 809 } 810 811 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 812 if (rte_eal_wait_lcore(lcore_id) < 0) 813 return -1; 814 } 815 816 if (ka_shm != NULL) 817 rte_keepalive_shm_cleanup(ka_shm); 818 return 0; 819 } 820