1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 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 <string.h> 41 #include <sys/queue.h> 42 #include <netinet/in.h> 43 #include <setjmp.h> 44 #include <stdarg.h> 45 #include <ctype.h> 46 #include <errno.h> 47 #include <getopt.h> 48 49 #include <rte_common.h> 50 #include <rte_log.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 73 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1 74 75 #define NB_MBUF 8192 76 77 #define MAX_PKT_BURST 32 78 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 79 80 /* 81 * Configurable number of RX/TX ring descriptors 82 */ 83 #define RTE_TEST_RX_DESC_DEFAULT 128 84 #define RTE_TEST_TX_DESC_DEFAULT 512 85 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 86 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 87 88 /* ethernet addresses of ports */ 89 static struct ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS]; 90 91 /* mask of enabled ports */ 92 static uint32_t lsi_enabled_port_mask = 0; 93 94 static unsigned int lsi_rx_queue_per_lcore = 1; 95 96 /* destination port for L2 forwarding */ 97 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0}; 98 99 #define MAX_PKT_BURST 32 100 struct mbuf_table { 101 unsigned len; 102 struct rte_mbuf *m_table[MAX_PKT_BURST]; 103 }; 104 105 #define MAX_RX_QUEUE_PER_LCORE 16 106 #define MAX_TX_QUEUE_PER_PORT 16 107 struct lcore_queue_conf { 108 unsigned n_rx_port; 109 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 110 unsigned tx_queue_id; 111 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; 112 113 } __rte_cache_aligned; 114 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 115 116 static const struct rte_eth_conf port_conf = { 117 .rxmode = { 118 .split_hdr_size = 0, 119 .header_split = 0, /**< Header Split disabled */ 120 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 121 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 122 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 123 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 124 }, 125 .txmode = { 126 .mq_mode = ETH_MQ_TX_NONE, 127 }, 128 .intr_conf = { 129 .lsc = 1, /**< lsc interrupt feature enabled */ 130 }, 131 }; 132 133 struct rte_mempool * lsi_pktmbuf_pool = NULL; 134 135 /* Per-port statistics struct */ 136 struct lsi_port_statistics { 137 uint64_t tx; 138 uint64_t rx; 139 uint64_t dropped; 140 } __rte_cache_aligned; 141 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 142 143 /* A tsc-based timer responsible for triggering statistics printout */ 144 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 145 #define MAX_TIMER_PERIOD 86400 /* 1 day max */ 146 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */ 147 148 /* Print out statistics on packets dropped */ 149 static void 150 print_stats(void) 151 { 152 struct rte_eth_link link; 153 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 154 unsigned portid; 155 156 total_packets_dropped = 0; 157 total_packets_tx = 0; 158 total_packets_rx = 0; 159 160 const char clr[] = { 27, '[', '2', 'J', '\0' }; 161 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' }; 162 163 /* Clear screen and move to top left */ 164 printf("%s%s", clr, topLeft); 165 166 printf("\nPort statistics ===================================="); 167 168 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 169 /* skip ports that are not enabled */ 170 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 171 continue; 172 173 memset(&link, 0, sizeof(link)); 174 rte_eth_link_get_nowait((uint8_t)portid, &link); 175 printf("\nStatistics for port %u ------------------------------" 176 "\nLink status: %25s" 177 "\nLink speed: %26u" 178 "\nLink duplex: %25s" 179 "\nPackets sent: %24"PRIu64 180 "\nPackets received: %20"PRIu64 181 "\nPackets dropped: %21"PRIu64, 182 portid, 183 (link.link_status ? "Link up" : "Link down"), 184 (unsigned)link.link_speed, 185 (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \ 186 "full-duplex" : "half-duplex"), 187 port_statistics[portid].tx, 188 port_statistics[portid].rx, 189 port_statistics[portid].dropped); 190 191 total_packets_dropped += port_statistics[portid].dropped; 192 total_packets_tx += port_statistics[portid].tx; 193 total_packets_rx += port_statistics[portid].rx; 194 } 195 printf("\nAggregate statistics ===============================" 196 "\nTotal packets sent: %18"PRIu64 197 "\nTotal packets received: %14"PRIu64 198 "\nTotal packets dropped: %15"PRIu64, 199 total_packets_tx, 200 total_packets_rx, 201 total_packets_dropped); 202 printf("\n====================================================\n"); 203 } 204 205 /* Send the packet on an output interface */ 206 static int 207 lsi_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) 208 { 209 struct rte_mbuf **m_table; 210 unsigned ret; 211 unsigned queueid; 212 213 queueid = (uint16_t) qconf->tx_queue_id; 214 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 215 216 ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); 217 port_statistics[port].tx += ret; 218 if (unlikely(ret < n)) { 219 port_statistics[port].dropped += (n - ret); 220 do { 221 rte_pktmbuf_free(m_table[ret]); 222 } while (++ret < n); 223 } 224 225 return 0; 226 } 227 228 /* Send the packet on an output interface */ 229 static int 230 lsi_send_packet(struct rte_mbuf *m, uint8_t port) 231 { 232 unsigned lcore_id, len; 233 struct lcore_queue_conf *qconf; 234 235 lcore_id = rte_lcore_id(); 236 237 qconf = &lcore_queue_conf[lcore_id]; 238 len = qconf->tx_mbufs[port].len; 239 qconf->tx_mbufs[port].m_table[len] = m; 240 len++; 241 242 /* enough pkts to be sent */ 243 if (unlikely(len == MAX_PKT_BURST)) { 244 lsi_send_burst(qconf, MAX_PKT_BURST, port); 245 len = 0; 246 } 247 248 qconf->tx_mbufs[port].len = len; 249 return 0; 250 } 251 252 static void 253 lsi_simple_forward(struct rte_mbuf *m, unsigned portid) 254 { 255 struct ether_hdr *eth; 256 void *tmp; 257 unsigned dst_port = lsi_dst_ports[portid]; 258 259 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 260 261 /* 02:00:00:00:00:xx */ 262 tmp = ð->d_addr.addr_bytes[0]; 263 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 264 265 /* src addr */ 266 ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr); 267 268 lsi_send_packet(m, (uint8_t) dst_port); 269 } 270 271 /* main processing loop */ 272 static void 273 lsi_main_loop(void) 274 { 275 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 276 struct rte_mbuf *m; 277 unsigned lcore_id; 278 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; 279 unsigned i, j, portid, nb_rx; 280 struct lcore_queue_conf *qconf; 281 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 282 283 prev_tsc = 0; 284 timer_tsc = 0; 285 286 lcore_id = rte_lcore_id(); 287 qconf = &lcore_queue_conf[lcore_id]; 288 289 if (qconf->n_rx_port == 0) { 290 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id); 291 return; 292 } 293 294 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id); 295 296 for (i = 0; i < qconf->n_rx_port; i++) { 297 298 portid = qconf->rx_port_list[i]; 299 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id, 300 portid); 301 } 302 303 while (1) { 304 305 cur_tsc = rte_rdtsc(); 306 307 /* 308 * TX burst queue drain 309 */ 310 diff_tsc = cur_tsc - prev_tsc; 311 if (unlikely(diff_tsc > drain_tsc)) { 312 313 /* this could be optimized (use queueid instead of 314 * portid), but it is not called so often */ 315 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 316 if (qconf->tx_mbufs[portid].len == 0) 317 continue; 318 lsi_send_burst(&lcore_queue_conf[lcore_id], 319 qconf->tx_mbufs[portid].len, 320 (uint8_t) portid); 321 qconf->tx_mbufs[portid].len = 0; 322 } 323 324 /* if timer is enabled */ 325 if (timer_period > 0) { 326 327 /* advance the timer */ 328 timer_tsc += diff_tsc; 329 330 /* if timer has reached its timeout */ 331 if (unlikely(timer_tsc >= (uint64_t) timer_period)) { 332 333 /* do this only on master core */ 334 if (lcore_id == rte_get_master_lcore()) { 335 print_stats(); 336 /* reset the timer */ 337 timer_tsc = 0; 338 } 339 } 340 } 341 342 prev_tsc = cur_tsc; 343 } 344 345 /* 346 * Read packet from RX queues 347 */ 348 for (i = 0; i < qconf->n_rx_port; i++) { 349 350 portid = qconf->rx_port_list[i]; 351 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 352 pkts_burst, MAX_PKT_BURST); 353 354 port_statistics[portid].rx += nb_rx; 355 356 for (j = 0; j < nb_rx; j++) { 357 m = pkts_burst[j]; 358 rte_prefetch0(rte_pktmbuf_mtod(m, void *)); 359 lsi_simple_forward(m, portid); 360 } 361 } 362 } 363 } 364 365 static int 366 lsi_launch_one_lcore(__attribute__((unused)) void *dummy) 367 { 368 lsi_main_loop(); 369 return 0; 370 } 371 372 /* display usage */ 373 static void 374 lsi_usage(const char *prgname) 375 { 376 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 377 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 378 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 379 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n", 380 prgname); 381 } 382 383 static int 384 lsi_parse_portmask(const char *portmask) 385 { 386 char *end = NULL; 387 unsigned long pm; 388 389 /* parse hexadecimal string */ 390 pm = strtoul(portmask, &end, 16); 391 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 392 return -1; 393 394 if (pm == 0) 395 return -1; 396 397 return pm; 398 } 399 400 static unsigned int 401 lsi_parse_nqueue(const char *q_arg) 402 { 403 char *end = NULL; 404 unsigned long n; 405 406 /* parse hexadecimal string */ 407 n = strtoul(q_arg, &end, 10); 408 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 409 return 0; 410 if (n == 0) 411 return 0; 412 if (n >= MAX_RX_QUEUE_PER_LCORE) 413 return 0; 414 415 return n; 416 } 417 418 static int 419 lsi_parse_timer_period(const char *q_arg) 420 { 421 char *end = NULL; 422 int n; 423 424 /* parse number string */ 425 n = strtol(q_arg, &end, 10); 426 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 427 return -1; 428 if (n >= MAX_TIMER_PERIOD) 429 return -1; 430 431 return n; 432 } 433 434 /* Parse the argument given in the command line of the application */ 435 static int 436 lsi_parse_args(int argc, char **argv) 437 { 438 int opt, ret; 439 char **argvopt; 440 int option_index; 441 char *prgname = argv[0]; 442 static struct option lgopts[] = { 443 {NULL, 0, 0, 0} 444 }; 445 446 argvopt = argv; 447 448 while ((opt = getopt_long(argc, argvopt, "p:q:T:", 449 lgopts, &option_index)) != EOF) { 450 451 switch (opt) { 452 /* portmask */ 453 case 'p': 454 lsi_enabled_port_mask = lsi_parse_portmask(optarg); 455 if (lsi_enabled_port_mask == 0) { 456 printf("invalid portmask\n"); 457 lsi_usage(prgname); 458 return -1; 459 } 460 break; 461 462 /* nqueue */ 463 case 'q': 464 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg); 465 if (lsi_rx_queue_per_lcore == 0) { 466 printf("invalid queue number\n"); 467 lsi_usage(prgname); 468 return -1; 469 } 470 break; 471 472 /* timer period */ 473 case 'T': 474 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND; 475 if (timer_period < 0) { 476 printf("invalid timer period\n"); 477 lsi_usage(prgname); 478 return -1; 479 } 480 break; 481 482 /* long options */ 483 case 0: 484 lsi_usage(prgname); 485 return -1; 486 487 default: 488 lsi_usage(prgname); 489 return -1; 490 } 491 } 492 493 if (optind >= 0) 494 argv[optind-1] = prgname; 495 496 ret = optind-1; 497 optind = 0; /* reset getopt lib */ 498 return ret; 499 } 500 501 /** 502 * It will be called as the callback for specified port after a LSI interrupt 503 * has been fully handled. This callback needs to be implemented carefully as 504 * it will be called in the interrupt host thread which is different from the 505 * application main thread. 506 * 507 * @param port_id 508 * Port id. 509 * @param type 510 * event type. 511 * @param param 512 * Pointer to(address of) the parameters. 513 * 514 * @return 515 * void. 516 */ 517 static void 518 lsi_event_callback(uint8_t port_id, enum rte_eth_event_type type, void *param) 519 { 520 struct rte_eth_link link; 521 522 RTE_SET_USED(param); 523 524 printf("\n\nIn registered callback...\n"); 525 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event"); 526 rte_eth_link_get_nowait(port_id, &link); 527 if (link.link_status) { 528 printf("Port %d Link Up - speed %u Mbps - %s\n\n", 529 port_id, (unsigned)link.link_speed, 530 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 531 ("full-duplex") : ("half-duplex")); 532 } else 533 printf("Port %d Link Down\n\n", port_id); 534 } 535 536 /* Check the link status of all ports in up to 9s, and print them finally */ 537 static void 538 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 539 { 540 #define CHECK_INTERVAL 100 /* 100ms */ 541 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 542 uint8_t portid, count, all_ports_up, print_flag = 0; 543 struct rte_eth_link link; 544 545 printf("\nChecking link status"); 546 fflush(stdout); 547 for (count = 0; count <= MAX_CHECK_TIME; count++) { 548 all_ports_up = 1; 549 for (portid = 0; portid < port_num; portid++) { 550 if ((port_mask & (1 << portid)) == 0) 551 continue; 552 memset(&link, 0, sizeof(link)); 553 rte_eth_link_get_nowait(portid, &link); 554 /* print link status if flag set */ 555 if (print_flag == 1) { 556 if (link.link_status) 557 printf("Port %d Link Up - speed %u " 558 "Mbps - %s\n", (uint8_t)portid, 559 (unsigned)link.link_speed, 560 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 561 ("full-duplex") : ("half-duplex\n")); 562 else 563 printf("Port %d Link Down\n", 564 (uint8_t)portid); 565 continue; 566 } 567 /* clear all_ports_up flag if any link down */ 568 if (link.link_status == 0) { 569 all_ports_up = 0; 570 break; 571 } 572 } 573 /* after finally printing all link status, get out */ 574 if (print_flag == 1) 575 break; 576 577 if (all_ports_up == 0) { 578 printf("."); 579 fflush(stdout); 580 rte_delay_ms(CHECK_INTERVAL); 581 } 582 583 /* set the print_flag if all ports up or timeout */ 584 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 585 print_flag = 1; 586 printf("done\n"); 587 } 588 } 589 } 590 591 int 592 main(int argc, char **argv) 593 { 594 struct lcore_queue_conf *qconf; 595 struct rte_eth_dev_info dev_info; 596 int ret; 597 uint8_t nb_ports; 598 uint8_t portid, portid_last = 0; 599 unsigned lcore_id, rx_lcore_id; 600 unsigned nb_ports_in_mask = 0; 601 602 /* init EAL */ 603 ret = rte_eal_init(argc, argv); 604 if (ret < 0) 605 rte_exit(EXIT_FAILURE, "rte_eal_init failed"); 606 argc -= ret; 607 argv += ret; 608 609 /* parse application arguments (after the EAL ones) */ 610 ret = lsi_parse_args(argc, argv); 611 if (ret < 0) 612 rte_exit(EXIT_FAILURE, "Invalid arguments"); 613 614 /* create the mbuf pool */ 615 lsi_pktmbuf_pool = 616 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0, 617 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 618 if (lsi_pktmbuf_pool == NULL) 619 rte_panic("Cannot init mbuf pool\n"); 620 621 nb_ports = rte_eth_dev_count(); 622 if (nb_ports == 0) 623 rte_panic("No Ethernet port - bye\n"); 624 625 if (nb_ports > RTE_MAX_ETHPORTS) 626 nb_ports = RTE_MAX_ETHPORTS; 627 628 /* 629 * Each logical core is assigned a dedicated TX queue on each port. 630 */ 631 for (portid = 0; portid < nb_ports; portid++) { 632 /* skip ports that are not enabled */ 633 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 634 continue; 635 636 /* save the destination port id */ 637 if (nb_ports_in_mask % 2) { 638 lsi_dst_ports[portid] = portid_last; 639 lsi_dst_ports[portid_last] = portid; 640 } 641 else 642 portid_last = portid; 643 644 nb_ports_in_mask++; 645 646 rte_eth_dev_info_get(portid, &dev_info); 647 } 648 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) 649 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, " 650 "but it should be even and at least 2\n", 651 nb_ports_in_mask); 652 653 rx_lcore_id = 0; 654 qconf = &lcore_queue_conf[rx_lcore_id]; 655 656 /* Initialize the port/queue configuration of each logical core */ 657 for (portid = 0; portid < nb_ports; portid++) { 658 /* skip ports that are not enabled */ 659 if ((lsi_enabled_port_mask & (1 << portid)) == 0) 660 continue; 661 662 /* get the lcore_id for this port */ 663 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 664 lcore_queue_conf[rx_lcore_id].n_rx_port == 665 lsi_rx_queue_per_lcore) { 666 667 rx_lcore_id++; 668 if (rx_lcore_id >= RTE_MAX_LCORE) 669 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 670 } 671 if (qconf != &lcore_queue_conf[rx_lcore_id]) 672 /* Assigned a new logical core in the loop above. */ 673 qconf = &lcore_queue_conf[rx_lcore_id]; 674 675 qconf->rx_port_list[qconf->n_rx_port] = portid; 676 qconf->n_rx_port++; 677 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid); 678 } 679 680 /* Initialise each port */ 681 for (portid = 0; portid < nb_ports; portid++) { 682 /* skip ports that are not enabled */ 683 if ((lsi_enabled_port_mask & (1 << portid)) == 0) { 684 printf("Skipping disabled port %u\n", (unsigned) portid); 685 continue; 686 } 687 /* init port */ 688 printf("Initializing port %u... ", (unsigned) portid); 689 fflush(stdout); 690 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); 691 if (ret < 0) 692 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", 693 ret, (unsigned) portid); 694 695 /* register lsi interrupt callback, need to be after 696 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no 697 * lsc interrupt will be present, and below callback to 698 * be registered will never be called. 699 */ 700 rte_eth_dev_callback_register(portid, 701 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL); 702 703 rte_eth_macaddr_get(portid, 704 &lsi_ports_eth_addr[portid]); 705 706 /* init one RX queue */ 707 fflush(stdout); 708 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 709 rte_eth_dev_socket_id(portid), 710 NULL, 711 lsi_pktmbuf_pool); 712 if (ret < 0) 713 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n", 714 ret, (unsigned) portid); 715 716 /* init one TX queue logical core on each port */ 717 fflush(stdout); 718 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 719 rte_eth_dev_socket_id(portid), 720 NULL); 721 if (ret < 0) 722 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n", 723 ret, (unsigned) portid); 724 725 /* Start device */ 726 ret = rte_eth_dev_start(portid); 727 if (ret < 0) 728 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n", 729 ret, (unsigned) portid); 730 printf("done:\n"); 731 732 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 733 (unsigned) portid, 734 lsi_ports_eth_addr[portid].addr_bytes[0], 735 lsi_ports_eth_addr[portid].addr_bytes[1], 736 lsi_ports_eth_addr[portid].addr_bytes[2], 737 lsi_ports_eth_addr[portid].addr_bytes[3], 738 lsi_ports_eth_addr[portid].addr_bytes[4], 739 lsi_ports_eth_addr[portid].addr_bytes[5]); 740 741 /* initialize port stats */ 742 memset(&port_statistics, 0, sizeof(port_statistics)); 743 } 744 745 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask); 746 747 /* launch per-lcore init on every lcore */ 748 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER); 749 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 750 if (rte_eal_wait_lcore(lcore_id) < 0) 751 return -1; 752 } 753 754 return 0; 755 } 756