1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdint.h> 6 #include <sys/queue.h> 7 #include <stdlib.h> 8 #include <string.h> 9 #include <stdio.h> 10 #include <assert.h> 11 #include <errno.h> 12 #include <signal.h> 13 #include <stdarg.h> 14 #include <inttypes.h> 15 #include <getopt.h> 16 17 #include <rte_common.h> 18 #include <rte_log.h> 19 #include <rte_memory.h> 20 #include <rte_memcpy.h> 21 #include <rte_eal.h> 22 #include <rte_launch.h> 23 #include <rte_atomic.h> 24 #include <rte_cycles.h> 25 #include <rte_prefetch.h> 26 #include <rte_lcore.h> 27 #include <rte_per_lcore.h> 28 #include <rte_branch_prediction.h> 29 #include <rte_interrupts.h> 30 #include <rte_random.h> 31 #include <rte_debug.h> 32 #include <rte_ether.h> 33 #include <rte_ethdev.h> 34 #include <rte_mempool.h> 35 #include <rte_mbuf.h> 36 37 /* basic constants used in application */ 38 #define MAX_QUEUES 1024 39 /* 40 * 1024 queues require to meet the needs of a large number of vmdq_pools. 41 * (RX/TX_queue_nb * RX/TX_ring_descriptors_nb) per port. 42 */ 43 #define NUM_MBUFS_PER_PORT (MAX_QUEUES * RTE_MAX(RTE_TEST_RX_DESC_DEFAULT, \ 44 RTE_TEST_TX_DESC_DEFAULT)) 45 #define MBUF_CACHE_SIZE 64 46 47 #define MAX_PKT_BURST 32 48 49 /* 50 * Configurable number of RX/TX ring descriptors 51 */ 52 #define RTE_TEST_RX_DESC_DEFAULT 1024 53 #define RTE_TEST_TX_DESC_DEFAULT 1024 54 55 #define INVALID_PORT_ID 0xFF 56 57 /* mask of enabled ports */ 58 static uint32_t enabled_port_mask; 59 static uint16_t ports[RTE_MAX_ETHPORTS]; 60 static unsigned num_ports; 61 62 /* number of pools (if user does not specify any, 32 by default */ 63 static enum rte_eth_nb_pools num_pools = ETH_32_POOLS; 64 static enum rte_eth_nb_tcs num_tcs = ETH_4_TCS; 65 static uint16_t num_queues, num_vmdq_queues; 66 static uint16_t vmdq_pool_base, vmdq_queue_base; 67 static uint8_t rss_enable; 68 69 /* empty vmdq+dcb configuration structure. Filled in programatically */ 70 static const struct rte_eth_conf vmdq_dcb_conf_default = { 71 .rxmode = { 72 .mq_mode = ETH_MQ_RX_VMDQ_DCB, 73 .split_hdr_size = 0, 74 }, 75 .txmode = { 76 .mq_mode = ETH_MQ_TX_VMDQ_DCB, 77 }, 78 /* 79 * should be overridden separately in code with 80 * appropriate values 81 */ 82 .rx_adv_conf = { 83 .vmdq_dcb_conf = { 84 .nb_queue_pools = ETH_32_POOLS, 85 .enable_default_pool = 0, 86 .default_pool = 0, 87 .nb_pool_maps = 0, 88 .pool_map = {{0, 0},}, 89 .dcb_tc = {0}, 90 }, 91 .dcb_rx_conf = { 92 .nb_tcs = ETH_4_TCS, 93 /** Traffic class each UP mapped to. */ 94 .dcb_tc = {0}, 95 }, 96 .vmdq_rx_conf = { 97 .nb_queue_pools = ETH_32_POOLS, 98 .enable_default_pool = 0, 99 .default_pool = 0, 100 .nb_pool_maps = 0, 101 .pool_map = {{0, 0},}, 102 }, 103 }, 104 .tx_adv_conf = { 105 .vmdq_dcb_tx_conf = { 106 .nb_queue_pools = ETH_32_POOLS, 107 .dcb_tc = {0}, 108 }, 109 }, 110 }; 111 112 /* array used for printing out statistics */ 113 volatile unsigned long rxPackets[MAX_QUEUES] = {0}; 114 115 const uint16_t vlan_tags[] = { 116 0, 1, 2, 3, 4, 5, 6, 7, 117 8, 9, 10, 11, 12, 13, 14, 15, 118 16, 17, 18, 19, 20, 21, 22, 23, 119 24, 25, 26, 27, 28, 29, 30, 31 120 }; 121 122 const uint16_t num_vlans = RTE_DIM(vlan_tags); 123 /* pool mac addr template, pool mac addr is like: 52 54 00 12 port# pool# */ 124 static struct rte_ether_addr pool_addr_template = { 125 .addr_bytes = {0x52, 0x54, 0x00, 0x12, 0x00, 0x00} 126 }; 127 128 /* ethernet addresses of ports */ 129 static struct rte_ether_addr vmdq_ports_eth_addr[RTE_MAX_ETHPORTS]; 130 131 /* Builds up the correct configuration for vmdq+dcb based on the vlan tags array 132 * given above, and the number of traffic classes available for use. */ 133 static inline int 134 get_eth_conf(struct rte_eth_conf *eth_conf) 135 { 136 struct rte_eth_vmdq_dcb_conf conf; 137 struct rte_eth_vmdq_rx_conf vmdq_conf; 138 struct rte_eth_dcb_rx_conf dcb_conf; 139 struct rte_eth_vmdq_dcb_tx_conf tx_conf; 140 uint8_t i; 141 142 conf.nb_queue_pools = (enum rte_eth_nb_pools)num_pools; 143 vmdq_conf.nb_queue_pools = (enum rte_eth_nb_pools)num_pools; 144 tx_conf.nb_queue_pools = (enum rte_eth_nb_pools)num_pools; 145 conf.nb_pool_maps = num_pools; 146 vmdq_conf.nb_pool_maps = num_pools; 147 conf.enable_default_pool = 0; 148 vmdq_conf.enable_default_pool = 0; 149 conf.default_pool = 0; /* set explicit value, even if not used */ 150 vmdq_conf.default_pool = 0; 151 152 for (i = 0; i < conf.nb_pool_maps; i++) { 153 conf.pool_map[i].vlan_id = vlan_tags[i]; 154 vmdq_conf.pool_map[i].vlan_id = vlan_tags[i]; 155 conf.pool_map[i].pools = 1UL << i; 156 vmdq_conf.pool_map[i].pools = 1UL << i; 157 } 158 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++){ 159 conf.dcb_tc[i] = i % num_tcs; 160 dcb_conf.dcb_tc[i] = i % num_tcs; 161 tx_conf.dcb_tc[i] = i % num_tcs; 162 } 163 dcb_conf.nb_tcs = (enum rte_eth_nb_tcs)num_tcs; 164 (void)(rte_memcpy(eth_conf, &vmdq_dcb_conf_default, sizeof(*eth_conf))); 165 (void)(rte_memcpy(ð_conf->rx_adv_conf.vmdq_dcb_conf, &conf, 166 sizeof(conf))); 167 (void)(rte_memcpy(ð_conf->rx_adv_conf.dcb_rx_conf, &dcb_conf, 168 sizeof(dcb_conf))); 169 (void)(rte_memcpy(ð_conf->rx_adv_conf.vmdq_rx_conf, &vmdq_conf, 170 sizeof(vmdq_conf))); 171 (void)(rte_memcpy(ð_conf->tx_adv_conf.vmdq_dcb_tx_conf, &tx_conf, 172 sizeof(tx_conf))); 173 if (rss_enable) { 174 eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB_RSS; 175 eth_conf->rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | 176 ETH_RSS_UDP | 177 ETH_RSS_TCP | 178 ETH_RSS_SCTP; 179 } 180 return 0; 181 } 182 183 /* 184 * Initialises a given port using global settings and with the rx buffers 185 * coming from the mbuf_pool passed as parameter 186 */ 187 static inline int 188 port_init(uint16_t port, struct rte_mempool *mbuf_pool) 189 { 190 struct rte_eth_dev_info dev_info; 191 struct rte_eth_conf port_conf = {0}; 192 uint16_t rxRingSize = RTE_TEST_RX_DESC_DEFAULT; 193 uint16_t txRingSize = RTE_TEST_TX_DESC_DEFAULT; 194 int retval; 195 uint16_t q; 196 uint16_t queues_per_pool; 197 uint32_t max_nb_pools; 198 struct rte_eth_txconf txq_conf; 199 uint64_t rss_hf_tmp; 200 201 /* 202 * The max pool number from dev_info will be used to validate the pool 203 * number specified in cmd line 204 */ 205 retval = rte_eth_dev_info_get(port, &dev_info); 206 if (retval != 0) { 207 printf("Error during getting device (port %u) info: %s\n", 208 port, strerror(-retval)); 209 210 return retval; 211 } 212 213 max_nb_pools = (uint32_t)dev_info.max_vmdq_pools; 214 /* 215 * We allow to process part of VMDQ pools specified by num_pools in 216 * command line. 217 */ 218 if (num_pools > max_nb_pools) { 219 printf("num_pools %d >max_nb_pools %d\n", 220 num_pools, max_nb_pools); 221 return -1; 222 } 223 224 /* 225 * NIC queues are divided into pf queues and vmdq queues. 226 * There is assumption here all ports have the same configuration! 227 */ 228 vmdq_queue_base = dev_info.vmdq_queue_base; 229 vmdq_pool_base = dev_info.vmdq_pool_base; 230 printf("vmdq queue base: %d pool base %d\n", 231 vmdq_queue_base, vmdq_pool_base); 232 if (vmdq_pool_base == 0) { 233 num_vmdq_queues = dev_info.max_rx_queues; 234 num_queues = dev_info.max_rx_queues; 235 if (num_tcs != num_vmdq_queues / num_pools) { 236 printf("nb_tcs %d is invalid considering with" 237 " nb_pools %d, nb_tcs * nb_pools should = %d\n", 238 num_tcs, num_pools, num_vmdq_queues); 239 return -1; 240 } 241 } else { 242 queues_per_pool = dev_info.vmdq_queue_num / 243 dev_info.max_vmdq_pools; 244 if (num_tcs > queues_per_pool) { 245 printf("num_tcs %d > num of queues per pool %d\n", 246 num_tcs, queues_per_pool); 247 return -1; 248 } 249 num_vmdq_queues = num_pools * queues_per_pool; 250 num_queues = vmdq_queue_base + num_vmdq_queues; 251 printf("Configured vmdq pool num: %u," 252 " each vmdq pool has %u queues\n", 253 num_pools, queues_per_pool); 254 } 255 256 if (!rte_eth_dev_is_valid_port(port)) 257 return -1; 258 259 retval = get_eth_conf(&port_conf); 260 if (retval < 0) 261 return retval; 262 263 retval = rte_eth_dev_info_get(port, &dev_info); 264 if (retval != 0) { 265 printf("Error during getting device (port %u) info: %s\n", 266 port, strerror(-retval)); 267 268 return retval; 269 } 270 271 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 272 port_conf.txmode.offloads |= 273 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 274 275 rss_hf_tmp = port_conf.rx_adv_conf.rss_conf.rss_hf; 276 port_conf.rx_adv_conf.rss_conf.rss_hf &= 277 dev_info.flow_type_rss_offloads; 278 if (port_conf.rx_adv_conf.rss_conf.rss_hf != rss_hf_tmp) { 279 printf("Port %u modified RSS hash function based on hardware support," 280 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 281 port, 282 rss_hf_tmp, 283 port_conf.rx_adv_conf.rss_conf.rss_hf); 284 } 285 286 /* 287 * Though in this example, all queues including pf queues are setup. 288 * This is because VMDQ queues doesn't always start from zero, and the 289 * PMD layer doesn't support selectively initialising part of rx/tx 290 * queues. 291 */ 292 retval = rte_eth_dev_configure(port, num_queues, num_queues, &port_conf); 293 if (retval != 0) 294 return retval; 295 296 retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rxRingSize, 297 &txRingSize); 298 if (retval != 0) 299 return retval; 300 if (RTE_MAX(rxRingSize, txRingSize) > 301 RTE_MAX(RTE_TEST_RX_DESC_DEFAULT, RTE_TEST_TX_DESC_DEFAULT)) { 302 printf("Mbuf pool has an insufficient size for port %u.\n", 303 port); 304 return -1; 305 } 306 307 for (q = 0; q < num_queues; q++) { 308 retval = rte_eth_rx_queue_setup(port, q, rxRingSize, 309 rte_eth_dev_socket_id(port), 310 NULL, 311 mbuf_pool); 312 if (retval < 0) { 313 printf("initialize rx queue %d failed\n", q); 314 return retval; 315 } 316 } 317 318 txq_conf = dev_info.default_txconf; 319 txq_conf.offloads = port_conf.txmode.offloads; 320 for (q = 0; q < num_queues; q++) { 321 retval = rte_eth_tx_queue_setup(port, q, txRingSize, 322 rte_eth_dev_socket_id(port), 323 &txq_conf); 324 if (retval < 0) { 325 printf("initialize tx queue %d failed\n", q); 326 return retval; 327 } 328 } 329 330 retval = rte_eth_dev_start(port); 331 if (retval < 0) { 332 printf("port %d start failed\n", port); 333 return retval; 334 } 335 336 retval = rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]); 337 if (retval < 0) { 338 printf("port %d MAC address get failed: %s\n", port, 339 rte_strerror(-retval)); 340 return retval; 341 } 342 printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8 343 " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", 344 (unsigned)port, 345 vmdq_ports_eth_addr[port].addr_bytes[0], 346 vmdq_ports_eth_addr[port].addr_bytes[1], 347 vmdq_ports_eth_addr[port].addr_bytes[2], 348 vmdq_ports_eth_addr[port].addr_bytes[3], 349 vmdq_ports_eth_addr[port].addr_bytes[4], 350 vmdq_ports_eth_addr[port].addr_bytes[5]); 351 352 /* Set mac for each pool.*/ 353 for (q = 0; q < num_pools; q++) { 354 struct rte_ether_addr mac; 355 356 mac = pool_addr_template; 357 mac.addr_bytes[4] = port; 358 mac.addr_bytes[5] = q; 359 printf("Port %u vmdq pool %u set mac %02x:%02x:%02x:%02x:%02x:%02x\n", 360 port, q, 361 mac.addr_bytes[0], mac.addr_bytes[1], 362 mac.addr_bytes[2], mac.addr_bytes[3], 363 mac.addr_bytes[4], mac.addr_bytes[5]); 364 retval = rte_eth_dev_mac_addr_add(port, &mac, 365 q + vmdq_pool_base); 366 if (retval) { 367 printf("mac addr add failed at pool %d\n", q); 368 return retval; 369 } 370 } 371 372 return 0; 373 } 374 375 /* Check num_pools parameter and set it if OK*/ 376 static int 377 vmdq_parse_num_pools(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 != 16 && n != 32) 387 return -1; 388 if (n == 16) 389 num_pools = ETH_16_POOLS; 390 else 391 num_pools = ETH_32_POOLS; 392 393 return 0; 394 } 395 396 /* Check num_tcs parameter and set it if OK*/ 397 static int 398 vmdq_parse_num_tcs(const char *q_arg) 399 { 400 char *end = NULL; 401 int n; 402 403 /* parse number string */ 404 n = strtol(q_arg, &end, 10); 405 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 406 return -1; 407 408 if (n != 4 && n != 8) 409 return -1; 410 if (n == 4) 411 num_tcs = ETH_4_TCS; 412 else 413 num_tcs = ETH_8_TCS; 414 415 return 0; 416 } 417 418 static int 419 parse_portmask(const char *portmask) 420 { 421 char *end = NULL; 422 unsigned long pm; 423 424 /* parse hexadecimal string */ 425 pm = strtoul(portmask, &end, 16); 426 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 427 return -1; 428 429 if (pm == 0) 430 return -1; 431 432 return pm; 433 } 434 435 /* Display usage */ 436 static void 437 vmdq_usage(const char *prgname) 438 { 439 printf("%s [EAL options] -- -p PORTMASK]\n" 440 " --nb-pools NP: number of pools (32 default, 16)\n" 441 " --nb-tcs NP: number of TCs (4 default, 8)\n" 442 " --enable-rss: enable RSS (disabled by default)\n", 443 prgname); 444 } 445 446 /* Parse the argument (num_pools) given in the command line of the application */ 447 static int 448 vmdq_parse_args(int argc, char **argv) 449 { 450 int opt; 451 int option_index; 452 unsigned i; 453 const char *prgname = argv[0]; 454 static struct option long_option[] = { 455 {"nb-pools", required_argument, NULL, 0}, 456 {"nb-tcs", required_argument, NULL, 0}, 457 {"enable-rss", 0, NULL, 0}, 458 {NULL, 0, 0, 0} 459 }; 460 461 /* Parse command line */ 462 while ((opt = getopt_long(argc, argv, "p:", long_option, 463 &option_index)) != EOF) { 464 switch (opt) { 465 /* portmask */ 466 case 'p': 467 enabled_port_mask = parse_portmask(optarg); 468 if (enabled_port_mask == 0) { 469 printf("invalid portmask\n"); 470 vmdq_usage(prgname); 471 return -1; 472 } 473 break; 474 case 0: 475 if (!strcmp(long_option[option_index].name, "nb-pools")) { 476 if (vmdq_parse_num_pools(optarg) == -1) { 477 printf("invalid number of pools\n"); 478 return -1; 479 } 480 } 481 482 if (!strcmp(long_option[option_index].name, "nb-tcs")) { 483 if (vmdq_parse_num_tcs(optarg) == -1) { 484 printf("invalid number of tcs\n"); 485 return -1; 486 } 487 } 488 489 if (!strcmp(long_option[option_index].name, "enable-rss")) 490 rss_enable = 1; 491 break; 492 493 default: 494 vmdq_usage(prgname); 495 return -1; 496 } 497 } 498 499 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 500 if (enabled_port_mask & (1 << i)) 501 ports[num_ports++] = (uint8_t)i; 502 } 503 504 if (num_ports < 2 || num_ports % 2) { 505 printf("Current enabled port number is %u," 506 " but it should be even and at least 2\n", num_ports); 507 return -1; 508 } 509 510 return 0; 511 } 512 513 static void 514 update_mac_address(struct rte_mbuf *m, unsigned dst_port) 515 { 516 struct rte_ether_hdr *eth; 517 void *tmp; 518 519 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 520 521 /* 02:00:00:00:00:xx */ 522 tmp = ð->d_addr.addr_bytes[0]; 523 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 524 525 /* src addr */ 526 rte_ether_addr_copy(&vmdq_ports_eth_addr[dst_port], ð->s_addr); 527 } 528 529 /* When we receive a HUP signal, print out our stats */ 530 static void 531 sighup_handler(int signum) 532 { 533 unsigned q = vmdq_queue_base; 534 535 for (; q < num_queues; q++) { 536 if (q % (num_vmdq_queues / num_pools) == 0) 537 printf("\nPool %u: ", (q - vmdq_queue_base) / 538 (num_vmdq_queues / num_pools)); 539 printf("%lu ", rxPackets[q]); 540 } 541 printf("\nFinished handling signal %d\n", signum); 542 } 543 544 /* 545 * Main thread that does the work, reading from INPUT_PORT 546 * and writing to OUTPUT_PORT 547 */ 548 static int 549 lcore_main(void *arg) 550 { 551 const uintptr_t core_num = (uintptr_t)arg; 552 const unsigned num_cores = rte_lcore_count(); 553 uint16_t startQueue, endQueue; 554 uint16_t q, i, p; 555 const uint16_t quot = (uint16_t)(num_vmdq_queues / num_cores); 556 const uint16_t remainder = (uint16_t)(num_vmdq_queues % num_cores); 557 558 559 if (remainder) { 560 if (core_num < remainder) { 561 startQueue = (uint16_t)(core_num * (quot + 1)); 562 endQueue = (uint16_t)(startQueue + quot + 1); 563 } else { 564 startQueue = (uint16_t)(core_num * quot + remainder); 565 endQueue = (uint16_t)(startQueue + quot); 566 } 567 } else { 568 startQueue = (uint16_t)(core_num * quot); 569 endQueue = (uint16_t)(startQueue + quot); 570 } 571 572 /* vmdq queue idx doesn't always start from zero.*/ 573 startQueue += vmdq_queue_base; 574 endQueue += vmdq_queue_base; 575 printf("Core %u(lcore %u) reading queues %i-%i\n", (unsigned)core_num, 576 rte_lcore_id(), startQueue, endQueue - 1); 577 578 if (startQueue == endQueue) { 579 printf("lcore %u has nothing to do\n", (unsigned)core_num); 580 return 0; 581 } 582 583 for (;;) { 584 struct rte_mbuf *buf[MAX_PKT_BURST]; 585 const uint16_t buf_size = sizeof(buf) / sizeof(buf[0]); 586 for (p = 0; p < num_ports; p++) { 587 const uint8_t src = ports[p]; 588 const uint8_t dst = ports[p ^ 1]; /* 0 <-> 1, 2 <-> 3 etc */ 589 590 if ((src == INVALID_PORT_ID) || (dst == INVALID_PORT_ID)) 591 continue; 592 593 for (q = startQueue; q < endQueue; q++) { 594 const uint16_t rxCount = rte_eth_rx_burst(src, 595 q, buf, buf_size); 596 597 if (unlikely(rxCount == 0)) 598 continue; 599 600 rxPackets[q] += rxCount; 601 602 for (i = 0; i < rxCount; i++) 603 update_mac_address(buf[i], dst); 604 605 const uint16_t txCount = rte_eth_tx_burst(dst, 606 q, buf, rxCount); 607 if (txCount != rxCount) { 608 for (i = txCount; i < rxCount; i++) 609 rte_pktmbuf_free(buf[i]); 610 } 611 } 612 } 613 } 614 } 615 616 /* 617 * Update the global var NUM_PORTS and array PORTS according to system ports number 618 * and return valid ports number 619 */ 620 static unsigned check_ports_num(unsigned nb_ports) 621 { 622 unsigned valid_num_ports = num_ports; 623 unsigned portid; 624 625 if (num_ports > nb_ports) { 626 printf("\nSpecified port number(%u) exceeds total system port number(%u)\n", 627 num_ports, nb_ports); 628 num_ports = nb_ports; 629 } 630 631 for (portid = 0; portid < num_ports; portid++) { 632 if (!rte_eth_dev_is_valid_port(ports[portid])) { 633 printf("\nSpecified port ID(%u) is not valid\n", 634 ports[portid]); 635 ports[portid] = INVALID_PORT_ID; 636 valid_num_ports--; 637 } 638 } 639 return valid_num_ports; 640 } 641 642 643 /* Main function, does initialisation and calls the per-lcore functions */ 644 int 645 main(int argc, char *argv[]) 646 { 647 unsigned cores; 648 struct rte_mempool *mbuf_pool; 649 unsigned lcore_id; 650 uintptr_t i; 651 int ret; 652 unsigned nb_ports, valid_num_ports; 653 uint16_t portid; 654 655 signal(SIGHUP, sighup_handler); 656 657 /* init EAL */ 658 ret = rte_eal_init(argc, argv); 659 if (ret < 0) 660 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 661 argc -= ret; 662 argv += ret; 663 664 /* parse app arguments */ 665 ret = vmdq_parse_args(argc, argv); 666 if (ret < 0) 667 rte_exit(EXIT_FAILURE, "Invalid VMDQ argument\n"); 668 669 cores = rte_lcore_count(); 670 if ((cores & (cores - 1)) != 0 || cores > RTE_MAX_LCORE) { 671 rte_exit(EXIT_FAILURE,"This program can only run on an even" 672 " number of cores(1-%d)\n\n", RTE_MAX_LCORE); 673 } 674 675 nb_ports = rte_eth_dev_count_avail(); 676 677 /* 678 * Update the global var NUM_PORTS and global array PORTS 679 * and get value of var VALID_NUM_PORTS according to system ports number 680 */ 681 valid_num_ports = check_ports_num(nb_ports); 682 683 if (valid_num_ports < 2 || valid_num_ports % 2) { 684 printf("Current valid ports number is %u\n", valid_num_ports); 685 rte_exit(EXIT_FAILURE, "Error with valid ports number is not even or less than 2\n"); 686 } 687 688 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", 689 NUM_MBUFS_PER_PORT * nb_ports, MBUF_CACHE_SIZE, 690 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 691 if (mbuf_pool == NULL) 692 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 693 694 /* initialize all ports */ 695 RTE_ETH_FOREACH_DEV(portid) { 696 /* skip ports that are not enabled */ 697 if ((enabled_port_mask & (1 << portid)) == 0) { 698 printf("\nSkipping disabled port %d\n", portid); 699 continue; 700 } 701 if (port_init(portid, mbuf_pool) != 0) 702 rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n"); 703 } 704 705 /* call lcore_main() on every slave lcore */ 706 i = 0; 707 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 708 rte_eal_remote_launch(lcore_main, (void*)i++, lcore_id); 709 } 710 /* call on master too */ 711 (void) lcore_main((void*)i); 712 713 return 0; 714 } 715