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_eal.h> 55 #include <rte_launch.h> 56 #include <rte_atomic.h> 57 #include <rte_cycles.h> 58 #include <rte_prefetch.h> 59 #include <rte_lcore.h> 60 #include <rte_per_lcore.h> 61 #include <rte_branch_prediction.h> 62 #include <rte_interrupts.h> 63 #include <rte_random.h> 64 #include <rte_debug.h> 65 #include <rte_ether.h> 66 #include <rte_ethdev.h> 67 #include <rte_mempool.h> 68 #include <rte_mbuf.h> 69 #include <rte_timer.h> 70 #include <rte_keepalive.h> 71 72 #include "shm.h" 73 74 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 75 76 #define NB_MBUF 8192 77 78 #define MAX_PKT_BURST 32 79 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 80 81 /* 82 * Configurable number of RX/TX ring descriptors 83 */ 84 #define RTE_TEST_RX_DESC_DEFAULT 128 85 #define RTE_TEST_TX_DESC_DEFAULT 512 86 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 87 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 88 89 /* ethernet addresses of ports */ 90 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 91 92 /* mask of enabled ports */ 93 static uint32_t l2fwd_enabled_port_mask; 94 95 /* list of enabled ports */ 96 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 97 98 static unsigned int l2fwd_rx_queue_per_lcore = 1; 99 100 #define MAX_RX_QUEUE_PER_LCORE 16 101 #define MAX_TX_QUEUE_PER_PORT 16 102 struct lcore_queue_conf { 103 unsigned n_rx_port; 104 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 105 } __rte_cache_aligned; 106 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 107 108 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 109 110 static const struct rte_eth_conf port_conf = { 111 .rxmode = { 112 .split_hdr_size = 0, 113 .header_split = 0, /**< Header Split disabled */ 114 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 115 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 116 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 117 .hw_strip_crc = 1, /**< CRC stripped by hardware */ 118 }, 119 .txmode = { 120 .mq_mode = ETH_MQ_TX_NONE, 121 }, 122 }; 123 124 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 125 126 /* Per-port statistics struct */ 127 struct l2fwd_port_statistics { 128 uint64_t tx; 129 uint64_t rx; 130 uint64_t dropped; 131 } __rte_cache_aligned; 132 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 133 134 /* A tsc-based timer responsible for triggering statistics printout */ 135 #define TIMER_MILLISECOND 1 136 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 137 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 138 static int64_t check_period = 5; /* default check cycle is 5ms */ 139 140 /* Keepalive structure */ 141 struct rte_keepalive *rte_global_keepalive_info; 142 143 /* Termination signalling */ 144 static int terminate_signal_received; 145 146 /* Termination signal handler */ 147 static void handle_sigterm(__rte_unused int value) 148 { 149 terminate_signal_received = 1; 150 } 151 152 /* Print out statistics on packets dropped */ 153 static void 154 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, 155 __attribute__((unused)) void *ptr_data) 156 { 157 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 158 uint16_t portid; 159 160 total_packets_dropped = 0; 161 total_packets_tx = 0; 162 total_packets_rx = 0; 163 164 const char clr[] = { 27, '[', '2', 'J', '\0' }; 165 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 166 167 /* Clear screen and move to top left */ 168 printf("%s%s", clr, topLeft); 169 170 printf("\nPort statistics ===================================="); 171 172 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 173 /* skip disabled ports */ 174 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 175 continue; 176 printf("\nStatistics for port %u ------------------------------" 177 "\nPackets sent: %24"PRIu64 178 "\nPackets received: %20"PRIu64 179 "\nPackets dropped: %21"PRIu64, 180 portid, 181 port_statistics[portid].tx, 182 port_statistics[portid].rx, 183 port_statistics[portid].dropped); 184 185 total_packets_dropped += port_statistics[portid].dropped; 186 total_packets_tx += port_statistics[portid].tx; 187 total_packets_rx += port_statistics[portid].rx; 188 } 189 printf("\nAggregate statistics ===============================" 190 "\nTotal packets sent: %18"PRIu64 191 "\nTotal packets received: %14"PRIu64 192 "\nTotal packets dropped: %15"PRIu64, 193 total_packets_tx, 194 total_packets_rx, 195 total_packets_dropped); 196 printf("\n====================================================\n"); 197 } 198 199 static void 200 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 201 { 202 struct ether_hdr *eth; 203 void *tmp; 204 int sent; 205 unsigned dst_port; 206 struct rte_eth_dev_tx_buffer *buffer; 207 208 dst_port = l2fwd_dst_ports[portid]; 209 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 210 211 /* 02:00:00:00:00:xx */ 212 tmp = ð->d_addr.addr_bytes[0]; 213 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 214 215 /* src addr */ 216 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 217 218 buffer = tx_buffer[dst_port]; 219 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 220 if (sent) 221 port_statistics[dst_port].tx += sent; 222 } 223 224 /* main processing loop */ 225 static void 226 l2fwd_main_loop(void) 227 { 228 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 229 struct rte_mbuf *m; 230 int sent; 231 unsigned lcore_id; 232 uint64_t prev_tsc, diff_tsc, cur_tsc; 233 unsigned i, j, portid, nb_rx; 234 struct lcore_queue_conf *qconf; 235 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 236 / US_PER_S * BURST_TX_DRAIN_US; 237 struct rte_eth_dev_tx_buffer *buffer; 238 239 prev_tsc = 0; 240 241 lcore_id = rte_lcore_id(); 242 qconf = &lcore_queue_conf[lcore_id]; 243 244 if (qconf->n_rx_port == 0) { 245 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 246 return; 247 } 248 249 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 250 251 for (i = 0; i < qconf->n_rx_port; i++) { 252 253 portid = qconf->rx_port_list[i]; 254 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 255 portid); 256 } 257 258 uint64_t tsc_initial = rte_rdtsc(); 259 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 260 261 while (!terminate_signal_received) { 262 /* Keepalive heartbeat */ 263 rte_keepalive_mark_alive(rte_global_keepalive_info); 264 265 cur_tsc = rte_rdtsc(); 266 267 /* 268 * Die randomly within 7 secs for demo purposes if 269 * keepalive enabled 270 */ 271 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 272 break; 273 274 /* 275 * TX burst queue drain 276 */ 277 diff_tsc = cur_tsc - prev_tsc; 278 if (unlikely(diff_tsc > drain_tsc)) { 279 280 for (i = 0; i < qconf->n_rx_port; i++) { 281 282 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 283 buffer = tx_buffer[portid]; 284 285 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 286 if (sent) 287 port_statistics[portid].tx += sent; 288 289 } 290 291 prev_tsc = cur_tsc; 292 } 293 294 /* 295 * Read packet from RX queues 296 */ 297 for (i = 0; i < qconf->n_rx_port; i++) { 298 299 portid = qconf->rx_port_list[i]; 300 nb_rx = rte_eth_rx_burst(portid, 0, 301 pkts_burst, MAX_PKT_BURST); 302 303 port_statistics[portid].rx += nb_rx; 304 305 for (j = 0; j < nb_rx; j++) { 306 m = pkts_burst[j]; 307 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 308 l2fwd_simple_forward(m, portid); 309 } 310 } 311 } 312 } 313 314 static int 315 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 316 { 317 l2fwd_main_loop(); 318 return 0; 319 } 320 321 /* display usage */ 322 static void 323 l2fwd_usage(const char *prgname) 324 { 325 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 326 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 327 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 328 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 329 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 330 prgname); 331 } 332 333 static int 334 l2fwd_parse_portmask(const char *portmask) 335 { 336 char *end = NULL; 337 unsigned long pm; 338 339 /* parse hexadecimal string */ 340 pm = strtoul(portmask, &end, 16); 341 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 342 return -1; 343 344 if (pm == 0) 345 return -1; 346 347 return pm; 348 } 349 350 static unsigned int 351 l2fwd_parse_nqueue(const char *q_arg) 352 { 353 char *end = NULL; 354 unsigned long n; 355 356 /* parse hexadecimal string */ 357 n = strtoul(q_arg, &end, 10); 358 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 359 return 0; 360 if (n == 0) 361 return 0; 362 if (n >= MAX_RX_QUEUE_PER_LCORE) 363 return 0; 364 365 return n; 366 } 367 368 static int 369 l2fwd_parse_timer_period(const char *q_arg) 370 { 371 char *end = NULL; 372 int n; 373 374 /* parse number string */ 375 n = strtol(q_arg, &end, 10); 376 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 377 return -1; 378 if (n >= MAX_TIMER_PERIOD) 379 return -1; 380 381 return n; 382 } 383 384 static int 385 l2fwd_parse_check_period(const char *q_arg) 386 { 387 char *end = NULL; 388 int n; 389 390 /* parse number string */ 391 n = strtol(q_arg, &end, 10); 392 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 393 return -1; 394 if (n >= MAX_TIMER_PERIOD) 395 return -1; 396 397 return n; 398 } 399 400 /* Parse the argument given in the command line of the application */ 401 static int 402 l2fwd_parse_args(int argc, char **argv) 403 { 404 int opt, ret; 405 char **argvopt; 406 int option_index; 407 char *prgname = argv[0]; 408 static struct option lgopts[] = { 409 {NULL, 0, 0, 0} 410 }; 411 412 argvopt = argv; 413 414 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 415 lgopts, &option_index)) != EOF) { 416 417 switch (opt) { 418 /* portmask */ 419 case 'p': 420 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 421 if (l2fwd_enabled_port_mask == 0) { 422 printf("invalid portmask\n"); 423 l2fwd_usage(prgname); 424 return -1; 425 } 426 break; 427 428 /* nqueue */ 429 case 'q': 430 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 431 if (l2fwd_rx_queue_per_lcore == 0) { 432 printf("invalid queue number\n"); 433 l2fwd_usage(prgname); 434 return -1; 435 } 436 break; 437 438 /* timer period */ 439 case 'T': 440 timer_period = l2fwd_parse_timer_period(optarg) 441 * (int64_t)(1000 * TIMER_MILLISECOND); 442 if (timer_period < 0) { 443 printf("invalid timer period\n"); 444 l2fwd_usage(prgname); 445 return -1; 446 } 447 break; 448 449 /* Check period */ 450 case 'K': 451 check_period = l2fwd_parse_check_period(optarg); 452 if (check_period < 0) { 453 printf("invalid check period\n"); 454 l2fwd_usage(prgname); 455 return -1; 456 } 457 break; 458 459 /* long options */ 460 case 0: 461 l2fwd_usage(prgname); 462 return -1; 463 464 default: 465 l2fwd_usage(prgname); 466 return -1; 467 } 468 } 469 470 if (optind >= 0) 471 argv[optind-1] = prgname; 472 473 ret = optind-1; 474 optind = 1; /* reset getopt lib */ 475 return ret; 476 } 477 478 /* Check the link status of all ports in up to 9s, and print them finally */ 479 static void 480 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 481 { 482 #define CHECK_INTERVAL 100 /* 100ms */ 483 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 484 uint16_t portid; 485 uint8_t count, all_ports_up, print_flag = 0; 486 struct rte_eth_link link; 487 488 printf("\nChecking link status"); 489 fflush(stdout); 490 for (count = 0; count <= MAX_CHECK_TIME; count++) { 491 all_ports_up = 1; 492 for (portid = 0; portid < port_num; portid++) { 493 if ((port_mask & (1 << portid)) == 0) 494 continue; 495 memset(&link, 0, sizeof(link)); 496 rte_eth_link_get_nowait(portid, &link); 497 /* print link status if flag set */ 498 if (print_flag == 1) { 499 if (link.link_status) 500 printf( 501 "Port%d Link Up. Speed %u Mbps - %s\n", 502 portid, link.link_speed, 503 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 504 ("full-duplex") : ("half-duplex\n")); 505 else 506 printf("Port %d Link Down\n", portid); 507 continue; 508 } 509 /* clear all_ports_up flag if any link down */ 510 if (link.link_status == ETH_LINK_DOWN) { 511 all_ports_up = 0; 512 break; 513 } 514 } 515 /* after finally printing all link status, get out */ 516 if (print_flag == 1) 517 break; 518 519 if (all_ports_up == 0) { 520 printf("."); 521 fflush(stdout); 522 rte_delay_ms(CHECK_INTERVAL); 523 } 524 525 /* set the print_flag if all ports up or timeout */ 526 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 527 print_flag = 1; 528 printf("done\n"); 529 } 530 } 531 } 532 533 static void 534 dead_core(__rte_unused void *ptr_data, const int id_core) 535 { 536 if (terminate_signal_received) 537 return; 538 printf("Dead core %i - restarting..\n", id_core); 539 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 540 rte_eal_wait_lcore(id_core); 541 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 542 } else { 543 printf("..false positive!\n"); 544 } 545 } 546 547 static void 548 relay_core_state(void *ptr_data, const int id_core, 549 const enum rte_keepalive_state core_state, uint64_t last_alive) 550 { 551 rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data, 552 id_core, core_state, last_alive); 553 } 554 555 int 556 main(int argc, char **argv) 557 { 558 struct lcore_queue_conf *qconf; 559 struct rte_eth_dev_info dev_info; 560 int ret; 561 uint16_t nb_ports; 562 uint16_t nb_ports_available; 563 uint16_t portid, last_port; 564 unsigned lcore_id, rx_lcore_id; 565 unsigned nb_ports_in_mask = 0; 566 struct sigaction signal_handler; 567 struct rte_keepalive_shm *ka_shm; 568 569 memset(&signal_handler, 0, sizeof(signal_handler)); 570 terminate_signal_received = 0; 571 signal_handler.sa_handler = &handle_sigterm; 572 if (sigaction(SIGINT, &signal_handler, NULL) == -1 || 573 sigaction(SIGTERM, &signal_handler, NULL) == -1) 574 rte_exit(EXIT_FAILURE, "SIGNAL\n"); 575 576 577 /* init EAL */ 578 ret = rte_eal_init(argc, argv); 579 if (ret < 0) 580 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 581 argc -= ret; 582 argv += ret; 583 584 l2fwd_enabled_port_mask = 0; 585 586 /* parse application arguments (after the EAL ones) */ 587 ret = l2fwd_parse_args(argc, argv); 588 if (ret < 0) 589 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 590 591 /* create the mbuf pool */ 592 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 593 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 594 if (l2fwd_pktmbuf_pool == NULL) 595 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 596 597 nb_ports = rte_eth_dev_count(); 598 if (nb_ports == 0) 599 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 600 601 /* reset l2fwd_dst_ports */ 602 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 603 l2fwd_dst_ports[portid] = 0; 604 last_port = 0; 605 606 /* 607 * Each logical core is assigned a dedicated TX queue on each port. 608 */ 609 for (portid = 0; portid < nb_ports; portid++) { 610 /* skip ports that are not enabled */ 611 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 612 continue; 613 614 if (nb_ports_in_mask % 2) { 615 l2fwd_dst_ports[portid] = last_port; 616 l2fwd_dst_ports[last_port] = portid; 617 } else 618 last_port = portid; 619 620 nb_ports_in_mask++; 621 622 rte_eth_dev_info_get(portid, &dev_info); 623 } 624 if (nb_ports_in_mask % 2) { 625 printf("Notice: odd number of ports in portmask.\n"); 626 l2fwd_dst_ports[last_port] = last_port; 627 } 628 629 rx_lcore_id = 1; 630 qconf = NULL; 631 632 /* Initialize the port/queue configuration of each logical core */ 633 for (portid = 0; portid < nb_ports; portid++) { 634 /* skip ports that are not enabled */ 635 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 636 continue; 637 638 /* get the lcore_id for this port */ 639 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 640 lcore_queue_conf[rx_lcore_id].n_rx_port == 641 l2fwd_rx_queue_per_lcore) { 642 rx_lcore_id++; 643 if (rx_lcore_id >= RTE_MAX_LCORE) 644 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 645 } 646 647 if (qconf != &lcore_queue_conf[rx_lcore_id]) 648 /* Assigned a new logical core in the loop above. */ 649 qconf = &lcore_queue_conf[rx_lcore_id]; 650 651 qconf->rx_port_list[qconf->n_rx_port] = portid; 652 qconf->n_rx_port++; 653 printf("Lcore %u: RX port %u\n", 654 rx_lcore_id, portid); 655 } 656 657 nb_ports_available = nb_ports; 658 659 /* Initialise each port */ 660 for (portid = 0; portid < nb_ports; portid++) { 661 /* skip ports that are not enabled */ 662 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 663 printf("Skipping disabled port %u\n", portid); 664 nb_ports_available--; 665 continue; 666 } 667 /* init port */ 668 printf("Initializing port %u... ", portid); 669 fflush(stdout); 670 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 671 if (ret < 0) 672 rte_exit(EXIT_FAILURE, 673 "Cannot configure device: err=%d, port=%u\n", 674 ret, portid); 675 676 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 677 &nb_txd); 678 if (ret < 0) 679 rte_exit(EXIT_FAILURE, 680 "Cannot adjust number of descriptors: err=%d, port=%u\n", 681 ret, portid); 682 683 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 684 685 /* init one RX queue */ 686 fflush(stdout); 687 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 688 rte_eth_dev_socket_id(portid), 689 NULL, 690 l2fwd_pktmbuf_pool); 691 if (ret < 0) 692 rte_exit(EXIT_FAILURE, 693 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 694 ret, portid); 695 696 /* init one TX queue on each port */ 697 fflush(stdout); 698 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 699 rte_eth_dev_socket_id(portid), 700 NULL); 701 if (ret < 0) 702 rte_exit(EXIT_FAILURE, 703 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 704 ret, portid); 705 706 /* Initialize TX buffers */ 707 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 708 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 709 rte_eth_dev_socket_id(portid)); 710 if (tx_buffer[portid] == NULL) 711 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 712 portid); 713 714 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 715 716 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 717 rte_eth_tx_buffer_count_callback, 718 &port_statistics[portid].dropped); 719 if (ret < 0) 720 rte_exit(EXIT_FAILURE, 721 "Cannot set error callback for tx buffer on port %u\n", 722 portid); 723 724 /* Start device */ 725 ret = rte_eth_dev_start(portid); 726 if (ret < 0) 727 rte_exit(EXIT_FAILURE, 728 "rte_eth_dev_start:err=%d, port=%u\n", 729 ret, portid); 730 731 rte_eth_promiscuous_enable(portid); 732 733 printf("Port %u, MAC address: " 734 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 735 portid, 736 l2fwd_ports_eth_addr[portid].addr_bytes[0], 737 l2fwd_ports_eth_addr[portid].addr_bytes[1], 738 l2fwd_ports_eth_addr[portid].addr_bytes[2], 739 l2fwd_ports_eth_addr[portid].addr_bytes[3], 740 l2fwd_ports_eth_addr[portid].addr_bytes[4], 741 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 742 743 /* initialize port stats */ 744 memset(&port_statistics, 0, sizeof(port_statistics)); 745 } 746 747 if (!nb_ports_available) { 748 rte_exit(EXIT_FAILURE, 749 "All available ports are disabled. Please set portmask.\n"); 750 } 751 752 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 753 754 struct rte_timer hb_timer, stats_timer; 755 756 rte_timer_subsystem_init(); 757 rte_timer_init(&stats_timer); 758 759 ka_shm = NULL; 760 if (check_period > 0) { 761 ka_shm = rte_keepalive_shm_create(); 762 if (ka_shm == NULL) 763 rte_exit(EXIT_FAILURE, 764 "rte_keepalive_shm_create() failed"); 765 rte_global_keepalive_info = 766 rte_keepalive_create(&dead_core, ka_shm); 767 if (rte_global_keepalive_info == NULL) 768 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 769 rte_keepalive_register_relay_callback(rte_global_keepalive_info, 770 relay_core_state, ka_shm); 771 rte_timer_init(&hb_timer); 772 if (rte_timer_reset(&hb_timer, 773 (check_period * rte_get_timer_hz()) / 1000, 774 PERIODICAL, 775 rte_lcore_id(), 776 (void(*)(struct rte_timer*, void*)) 777 &rte_keepalive_dispatch_pings, 778 rte_global_keepalive_info 779 ) != 0 ) 780 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 781 } 782 if (timer_period > 0) { 783 if (rte_timer_reset(&stats_timer, 784 (timer_period * rte_get_timer_hz()) / 1000, 785 PERIODICAL, 786 rte_lcore_id(), 787 &print_stats, NULL 788 ) != 0 ) 789 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 790 } 791 /* launch per-lcore init on every slave lcore */ 792 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 793 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 794 795 if (qconf->n_rx_port == 0) 796 RTE_LOG(INFO, L2FWD, 797 "lcore %u has nothing to do\n", 798 lcore_id 799 ); 800 else { 801 rte_eal_remote_launch( 802 l2fwd_launch_one_lcore, 803 NULL, 804 lcore_id 805 ); 806 rte_keepalive_register_core(rte_global_keepalive_info, 807 lcore_id); 808 } 809 } 810 while (!terminate_signal_received) { 811 rte_timer_manage(); 812 rte_delay_ms(5); 813 } 814 815 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 816 if (rte_eal_wait_lcore(lcore_id) < 0) 817 return -1; 818 } 819 820 if (ka_shm != NULL) 821 rte_keepalive_shm_cleanup(ka_shm); 822 return 0; 823 } 824