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 48 #include <rte_common.h> 49 #include <rte_log.h> 50 #include <rte_malloc.h> 51 #include <rte_memory.h> 52 #include <rte_memcpy.h> 53 #include <rte_memzone.h> 54 #include <rte_eal.h> 55 #include <rte_per_lcore.h> 56 #include <rte_launch.h> 57 #include <rte_atomic.h> 58 #include <rte_cycles.h> 59 #include <rte_prefetch.h> 60 #include <rte_lcore.h> 61 #include <rte_per_lcore.h> 62 #include <rte_branch_prediction.h> 63 #include <rte_interrupts.h> 64 #include <rte_pci.h> 65 #include <rte_random.h> 66 #include <rte_debug.h> 67 #include <rte_ether.h> 68 #include <rte_ethdev.h> 69 #include <rte_ring.h> 70 #include <rte_mempool.h> 71 #include <rte_mbuf.h> 72 #include <rte_timer.h> 73 #include <rte_keepalive.h> 74 75 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 76 77 #define NB_MBUF 8192 78 79 #define MAX_PKT_BURST 32 80 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 81 82 /* 83 * Configurable number of RX/TX ring descriptors 84 */ 85 #define RTE_TEST_RX_DESC_DEFAULT 128 86 #define RTE_TEST_TX_DESC_DEFAULT 512 87 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 88 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 89 90 /* ethernet addresses of ports */ 91 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS]; 92 93 /* mask of enabled ports */ 94 static uint32_t l2fwd_enabled_port_mask; 95 96 /* list of enabled ports */ 97 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS]; 98 99 static unsigned int l2fwd_rx_queue_per_lcore = 1; 100 101 #define MAX_RX_QUEUE_PER_LCORE 16 102 #define MAX_TX_QUEUE_PER_PORT 16 103 struct lcore_queue_conf { 104 unsigned n_rx_port; 105 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 106 } __rte_cache_aligned; 107 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 108 109 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 110 111 static const struct rte_eth_conf port_conf = { 112 .rxmode = { 113 .split_hdr_size = 0, 114 .header_split = 0, /**< Header Split disabled */ 115 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 116 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 117 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 118 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 119 }, 120 .txmode = { 121 .mq_mode = ETH_MQ_TX_NONE, 122 }, 123 }; 124 125 struct rte_mempool *l2fwd_pktmbuf_pool = NULL; 126 127 /* Per-port statistics struct */ 128 struct l2fwd_port_statistics { 129 uint64_t tx; 130 uint64_t rx; 131 uint64_t dropped; 132 } __rte_cache_aligned; 133 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 134 135 /* A tsc-based timer responsible for triggering statistics printout */ 136 #define TIMER_MILLISECOND 1 137 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 138 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */ 139 static int64_t check_period = 5; /* default check cycle is 5ms */ 140 141 /* Keepalive structure */ 142 struct rte_keepalive *rte_global_keepalive_info; 143 144 /* Print out statistics on packets dropped */ 145 static void 146 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer, 147 __attribute__((unused)) void *ptr_data) 148 { 149 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 150 unsigned portid; 151 152 total_packets_dropped = 0; 153 total_packets_tx = 0; 154 total_packets_rx = 0; 155 156 const char clr[] = { 27, '[', '2', 'J', '\0' }; 157 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 158 159 /* Clear screen and move to top left */ 160 printf("%s%s", clr, topLeft); 161 162 printf("\nPort statistics ===================================="); 163 164 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 165 /* skip disabled ports */ 166 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 167 continue; 168 printf("\nStatistics for port %u ------------------------------" 169 "\nPackets sent: %24"PRIu64 170 "\nPackets received: %20"PRIu64 171 "\nPackets dropped: %21"PRIu64, 172 portid, 173 port_statistics[portid].tx, 174 port_statistics[portid].rx, 175 port_statistics[portid].dropped); 176 177 total_packets_dropped += port_statistics[portid].dropped; 178 total_packets_tx += port_statistics[portid].tx; 179 total_packets_rx += port_statistics[portid].rx; 180 } 181 printf("\nAggregate statistics ===============================" 182 "\nTotal packets sent: %18"PRIu64 183 "\nTotal packets received: %14"PRIu64 184 "\nTotal packets dropped: %15"PRIu64, 185 total_packets_tx, 186 total_packets_rx, 187 total_packets_dropped); 188 printf("\n====================================================\n"); 189 } 190 191 static void 192 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 193 { 194 struct ether_hdr *eth; 195 void *tmp; 196 int sent; 197 unsigned dst_port; 198 struct rte_eth_dev_tx_buffer *buffer; 199 200 dst_port = l2fwd_dst_ports[portid]; 201 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 202 203 /* 02:00:00:00:00:xx */ 204 tmp = ð->d_addr.addr_bytes[0]; 205 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 206 207 /* src addr */ 208 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 209 210 buffer = tx_buffer[dst_port]; 211 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); 212 if (sent) 213 port_statistics[dst_port].tx += sent; 214 } 215 216 /* main processing loop */ 217 static void 218 l2fwd_main_loop(void) 219 { 220 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 221 struct rte_mbuf *m; 222 int sent; 223 unsigned lcore_id; 224 uint64_t prev_tsc, diff_tsc, cur_tsc; 225 unsigned i, j, portid, nb_rx; 226 struct lcore_queue_conf *qconf; 227 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) 228 / US_PER_S * BURST_TX_DRAIN_US; 229 struct rte_eth_dev_tx_buffer *buffer; 230 231 prev_tsc = 0; 232 233 lcore_id = rte_lcore_id(); 234 qconf = &lcore_queue_conf[lcore_id]; 235 236 if (qconf->n_rx_port == 0) { 237 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 238 return; 239 } 240 241 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 242 243 for (i = 0; i < qconf->n_rx_port; i++) { 244 245 portid = qconf->rx_port_list[i]; 246 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 247 portid); 248 } 249 250 uint64_t tsc_initial = rte_rdtsc(); 251 uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz(); 252 253 while (1) { 254 /* Keepalive heartbeat */ 255 rte_keepalive_mark_alive(rte_global_keepalive_info); 256 257 cur_tsc = rte_rdtsc(); 258 259 /* 260 * Die randomly within 7 secs for demo purposes if 261 * keepalive enabled 262 */ 263 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime) 264 break; 265 266 /* 267 * TX burst queue drain 268 */ 269 diff_tsc = cur_tsc - prev_tsc; 270 if (unlikely(diff_tsc > drain_tsc)) { 271 272 for (i = 0; i < qconf->n_rx_port; i++) { 273 274 portid = l2fwd_dst_ports[qconf->rx_port_list[i]]; 275 buffer = tx_buffer[portid]; 276 277 sent = rte_eth_tx_buffer_flush(portid, 0, buffer); 278 if (sent) 279 port_statistics[portid].tx += sent; 280 281 } 282 283 prev_tsc = cur_tsc; 284 } 285 286 /* 287 * Read packet from RX queues 288 */ 289 for (i = 0; i < qconf->n_rx_port; i++) { 290 291 portid = qconf->rx_port_list[i]; 292 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 293 pkts_burst, MAX_PKT_BURST); 294 295 port_statistics[portid].rx += nb_rx; 296 297 for (j = 0; j < nb_rx; j++) { 298 m = pkts_burst[j]; 299 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 300 l2fwd_simple_forward(m, portid); 301 } 302 } 303 } 304 } 305 306 static int 307 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy) 308 { 309 l2fwd_main_loop(); 310 return 0; 311 } 312 313 /* display usage */ 314 static void 315 l2fwd_usage(const char *prgname) 316 { 317 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 318 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 319 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 320 " -K PERIOD: Keepalive check period (5 default; 86400 max)\n" 321 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 322 prgname); 323 } 324 325 static int 326 l2fwd_parse_portmask(const char *portmask) 327 { 328 char *end = NULL; 329 unsigned long pm; 330 331 /* parse hexadecimal string */ 332 pm = strtoul(portmask, &end, 16); 333 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 334 return -1; 335 336 if (pm == 0) 337 return -1; 338 339 return pm; 340 } 341 342 static unsigned int 343 l2fwd_parse_nqueue(const char *q_arg) 344 { 345 char *end = NULL; 346 unsigned long n; 347 348 /* parse hexadecimal string */ 349 n = strtoul(q_arg, &end, 10); 350 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 351 return 0; 352 if (n == 0) 353 return 0; 354 if (n >= MAX_RX_QUEUE_PER_LCORE) 355 return 0; 356 357 return n; 358 } 359 360 static int 361 l2fwd_parse_timer_period(const char *q_arg) 362 { 363 char *end = NULL; 364 int n; 365 366 /* parse number string */ 367 n = strtol(q_arg, &end, 10); 368 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 369 return -1; 370 if (n >= MAX_TIMER_PERIOD) 371 return -1; 372 373 return n; 374 } 375 376 static int 377 l2fwd_parse_check_period(const char *q_arg) 378 { 379 char *end = NULL; 380 int n; 381 382 /* parse number string */ 383 n = strtol(q_arg, &end, 10); 384 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 385 return -1; 386 if (n >= MAX_TIMER_PERIOD) 387 return -1; 388 389 return n; 390 } 391 392 /* Parse the argument given in the command line of the application */ 393 static int 394 l2fwd_parse_args(int argc, char **argv) 395 { 396 int opt, ret; 397 char **argvopt; 398 int option_index; 399 char *prgname = argv[0]; 400 static struct option lgopts[] = { 401 {NULL, 0, 0, 0} 402 }; 403 404 argvopt = argv; 405 406 while ((opt = getopt_long(argc, argvopt, "p:q:T:K:", 407 lgopts, &option_index)) != EOF) { 408 409 switch (opt) { 410 /* portmask */ 411 case 'p': 412 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg); 413 if (l2fwd_enabled_port_mask == 0) { 414 printf("invalid portmask\n"); 415 l2fwd_usage(prgname); 416 return -1; 417 } 418 break; 419 420 /* nqueue */ 421 case 'q': 422 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg); 423 if (l2fwd_rx_queue_per_lcore == 0) { 424 printf("invalid queue number\n"); 425 l2fwd_usage(prgname); 426 return -1; 427 } 428 break; 429 430 /* timer period */ 431 case 'T': 432 timer_period = l2fwd_parse_timer_period(optarg) 433 * (int64_t)(1000 * TIMER_MILLISECOND); 434 if (timer_period < 0) { 435 printf("invalid timer period\n"); 436 l2fwd_usage(prgname); 437 return -1; 438 } 439 break; 440 441 /* Check period */ 442 case 'K': 443 check_period = l2fwd_parse_check_period(optarg); 444 if (check_period < 0) { 445 printf("invalid check period\n"); 446 l2fwd_usage(prgname); 447 return -1; 448 } 449 break; 450 451 /* long options */ 452 case 0: 453 l2fwd_usage(prgname); 454 return -1; 455 456 default: 457 l2fwd_usage(prgname); 458 return -1; 459 } 460 } 461 462 if (optind >= 0) 463 argv[optind-1] = prgname; 464 465 ret = optind-1; 466 optind = 0; /* reset getopt lib */ 467 return ret; 468 } 469 470 /* Check the link status of all ports in up to 9s, and print them finally */ 471 static void 472 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 473 { 474 #define CHECK_INTERVAL 100 /* 100ms */ 475 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 476 uint8_t portid, count, all_ports_up, print_flag = 0; 477 struct rte_eth_link link; 478 479 printf("\nChecking link status"); 480 fflush(stdout); 481 for (count = 0; count <= MAX_CHECK_TIME; count++) { 482 all_ports_up = 1; 483 for (portid = 0; portid < port_num; portid++) { 484 if ((port_mask & (1 << portid)) == 0) 485 continue; 486 memset(&link, 0, sizeof(link)); 487 rte_eth_link_get_nowait(portid, &link); 488 /* print link status if flag set */ 489 if (print_flag == 1) { 490 if (link.link_status) 491 printf("Port %d Link Up - speed %u " 492 "Mbps - %s\n", (uint8_t)portid, 493 (unsigned)link.link_speed, 494 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 495 ("full-duplex") : ("half-duplex\n")); 496 else 497 printf("Port %d Link Down\n", 498 (uint8_t)portid); 499 continue; 500 } 501 /* clear all_ports_up flag if any link down */ 502 if (link.link_status == 0) { 503 all_ports_up = 0; 504 break; 505 } 506 } 507 /* after finally printing all link status, get out */ 508 if (print_flag == 1) 509 break; 510 511 if (all_ports_up == 0) { 512 printf("."); 513 fflush(stdout); 514 rte_delay_ms(CHECK_INTERVAL); 515 } 516 517 /* set the print_flag if all ports up or timeout */ 518 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 519 print_flag = 1; 520 printf("done\n"); 521 } 522 } 523 } 524 525 static void 526 dead_core(__attribute__((unused)) void *ptr_data, const int id_core) 527 { 528 printf("Dead core %i - restarting..\n", id_core); 529 if (rte_eal_get_lcore_state(id_core) == FINISHED) { 530 rte_eal_wait_lcore(id_core); 531 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core); 532 } else { 533 printf("..false positive!\n"); 534 } 535 } 536 537 int 538 main(int argc, char **argv) 539 { 540 struct lcore_queue_conf *qconf; 541 struct rte_eth_dev_info dev_info; 542 int ret; 543 uint8_t nb_ports; 544 uint8_t nb_ports_available; 545 uint8_t portid, last_port; 546 unsigned lcore_id, rx_lcore_id; 547 unsigned nb_ports_in_mask = 0; 548 549 /* init EAL */ 550 ret = rte_eal_init(argc, argv); 551 if (ret < 0) 552 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 553 argc -= ret; 554 argv += ret; 555 556 l2fwd_enabled_port_mask = 0; 557 558 /* parse application arguments (after the EAL ones) */ 559 ret = l2fwd_parse_args(argc, argv); 560 if (ret < 0) 561 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); 562 563 /* create the mbuf pool */ 564 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 565 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 566 if (l2fwd_pktmbuf_pool == NULL) 567 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); 568 569 nb_ports = rte_eth_dev_count(); 570 if (nb_ports == 0) 571 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 572 573 if (nb_ports > RTE_MAX_ETHPORTS) 574 nb_ports = RTE_MAX_ETHPORTS; 575 576 /* reset l2fwd_dst_ports */ 577 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 578 l2fwd_dst_ports[portid] = 0; 579 last_port = 0; 580 581 /* 582 * Each logical core is assigned a dedicated TX queue on each port. 583 */ 584 for (portid = 0; portid < nb_ports; portid++) { 585 /* skip ports that are not enabled */ 586 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 587 continue; 588 589 if (nb_ports_in_mask % 2) { 590 l2fwd_dst_ports[portid] = last_port; 591 l2fwd_dst_ports[last_port] = portid; 592 } else 593 last_port = portid; 594 595 nb_ports_in_mask++; 596 597 rte_eth_dev_info_get(portid, &dev_info); 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 for (portid = 0; portid < nb_ports; 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, (unsigned) portid); 630 } 631 632 nb_ports_available = nb_ports; 633 634 /* Initialise each port */ 635 for (portid = 0; portid < nb_ports; portid++) { 636 /* skip ports that are not enabled */ 637 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { 638 printf("Skipping disabled port %u\n", 639 (unsigned) portid); 640 nb_ports_available--; 641 continue; 642 } 643 /* init port */ 644 printf("Initializing port %u... ", (unsigned) portid); 645 fflush(stdout); 646 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 647 if (ret < 0) 648 rte_exit(EXIT_FAILURE, 649 "Cannot configure device: err=%d, port=%u\n", 650 ret, (unsigned) portid); 651 652 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 653 654 /* init one RX queue */ 655 fflush(stdout); 656 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 657 rte_eth_dev_socket_id(portid), 658 NULL, 659 l2fwd_pktmbuf_pool); 660 if (ret < 0) 661 rte_exit(EXIT_FAILURE, 662 "rte_eth_rx_queue_setup:err=%d, port=%u\n", 663 ret, (unsigned) portid); 664 665 /* init one TX queue on each port */ 666 fflush(stdout); 667 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 668 rte_eth_dev_socket_id(portid), 669 NULL); 670 if (ret < 0) 671 rte_exit(EXIT_FAILURE, 672 "rte_eth_tx_queue_setup:err=%d, port=%u\n", 673 ret, (unsigned) portid); 674 675 /* Initialize TX buffers */ 676 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 677 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 678 rte_eth_dev_socket_id(portid)); 679 if (tx_buffer[portid] == NULL) 680 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", 681 (unsigned) portid); 682 683 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); 684 685 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], 686 rte_eth_tx_buffer_count_callback, 687 &port_statistics[portid].dropped); 688 if (ret < 0) 689 rte_exit(EXIT_FAILURE, "Cannot set error callback for " 690 "tx buffer on port %u\n", (unsigned) portid); 691 692 /* Start device */ 693 ret = rte_eth_dev_start(portid); 694 if (ret < 0) 695 rte_exit(EXIT_FAILURE, 696 "rte_eth_dev_start:err=%d, port=%u\n", 697 ret, (unsigned) portid); 698 699 rte_eth_promiscuous_enable(portid); 700 701 printf("Port %u, MAC address: " 702 "%02X:%02X:%02X:%02X:%02X:%02X\n\n", 703 (unsigned) portid, 704 l2fwd_ports_eth_addr[portid].addr_bytes[0], 705 l2fwd_ports_eth_addr[portid].addr_bytes[1], 706 l2fwd_ports_eth_addr[portid].addr_bytes[2], 707 l2fwd_ports_eth_addr[portid].addr_bytes[3], 708 l2fwd_ports_eth_addr[portid].addr_bytes[4], 709 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 710 711 /* initialize port stats */ 712 memset(&port_statistics, 0, sizeof(port_statistics)); 713 } 714 715 if (!nb_ports_available) { 716 rte_exit(EXIT_FAILURE, 717 "All available ports are disabled. Please set portmask.\n"); 718 } 719 720 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 721 722 struct rte_timer hb_timer, stats_timer; 723 724 rte_timer_subsystem_init(); 725 rte_timer_init(&stats_timer); 726 727 if (check_period > 0) { 728 rte_global_keepalive_info = 729 rte_keepalive_create(&dead_core, NULL); 730 if (rte_global_keepalive_info == NULL) 731 rte_exit(EXIT_FAILURE, "init_keep_alive() failed"); 732 rte_timer_init(&hb_timer); 733 if (rte_timer_reset(&hb_timer, 734 (check_period * rte_get_timer_hz()) / 1000, 735 PERIODICAL, 736 rte_lcore_id(), 737 (void(*)(struct rte_timer*, void*)) 738 &rte_keepalive_dispatch_pings, 739 rte_global_keepalive_info 740 ) != 0 ) 741 rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n"); 742 } 743 if (timer_period > 0) { 744 if (rte_timer_reset(&stats_timer, 745 (timer_period * rte_get_timer_hz()) / 1000, 746 PERIODICAL, 747 rte_lcore_id(), 748 &print_stats, NULL 749 ) != 0 ) 750 rte_exit(EXIT_FAILURE, "Stats setup failure.\n"); 751 } 752 /* launch per-lcore init on every slave lcore */ 753 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 754 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 755 756 if (qconf->n_rx_port == 0) 757 RTE_LOG(INFO, L2FWD, 758 "lcore %u has nothing to do\n", 759 lcore_id 760 ); 761 else { 762 rte_eal_remote_launch( 763 l2fwd_launch_one_lcore, 764 NULL, 765 lcore_id 766 ); 767 rte_keepalive_register_core(rte_global_keepalive_info, 768 lcore_id); 769 } 770 } 771 for (;;) { 772 rte_timer_manage(); 773 rte_delay_ms(5); 774 } 775 776 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 777 if (rte_eal_wait_lcore(lcore_id) < 0) 778 return -1; 779 } 780 781 return 0; 782 } 783