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 <stdint.h> 37 #include <inttypes.h> 38 #include <sys/types.h> 39 #include <string.h> 40 #include <sys/queue.h> 41 #include <stdarg.h> 42 #include <errno.h> 43 #include <getopt.h> 44 45 #include <rte_common.h> 46 #include <rte_byteorder.h> 47 #include <rte_log.h> 48 #include <rte_tailq.h> 49 #include <rte_memory.h> 50 #include <rte_memcpy.h> 51 #include <rte_memzone.h> 52 #include <rte_eal.h> 53 #include <rte_per_lcore.h> 54 #include <rte_launch.h> 55 #include <rte_atomic.h> 56 #include <rte_cycles.h> 57 #include <rte_prefetch.h> 58 #include <rte_lcore.h> 59 #include <rte_per_lcore.h> 60 #include <rte_branch_prediction.h> 61 #include <rte_interrupts.h> 62 #include <rte_pci.h> 63 #include <rte_random.h> 64 #include <rte_debug.h> 65 #include <rte_ether.h> 66 #include <rte_ethdev.h> 67 #include <rte_ring.h> 68 #include <rte_mempool.h> 69 #include <rte_mbuf.h> 70 #include <rte_malloc.h> 71 #include <rte_fbk_hash.h> 72 #include <rte_ip.h> 73 74 #include "main.h" 75 76 #define RTE_LOGTYPE_IPv4_MULTICAST RTE_LOGTYPE_USER1 77 78 #define MAX_PORTS 16 79 80 #define MCAST_CLONE_PORTS 2 81 #define MCAST_CLONE_SEGS 2 82 83 #define PKT_MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 84 #define NB_PKT_MBUF 8192 85 86 #define HDR_MBUF_SIZE (sizeof(struct rte_mbuf) + 2 * RTE_PKTMBUF_HEADROOM) 87 #define NB_HDR_MBUF (NB_PKT_MBUF * MAX_PORTS) 88 89 #define CLONE_MBUF_SIZE (sizeof(struct rte_mbuf)) 90 #define NB_CLONE_MBUF (NB_PKT_MBUF * MCAST_CLONE_PORTS * MCAST_CLONE_SEGS * 2) 91 92 /* allow max jumbo frame 9.5 KB */ 93 #define JUMBO_FRAME_MAX_SIZE 0x2600 94 95 #define MAX_PKT_BURST 32 96 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 97 98 /* Configure how many packets ahead to prefetch, when reading packets */ 99 #define PREFETCH_OFFSET 3 100 101 /* 102 * Construct Ethernet multicast address from IPv4 multicast address. 103 * Citing RFC 1112, section 6.4: 104 * "An IP host group address is mapped to an Ethernet multicast address 105 * by placing the low-order 23-bits of the IP address into the low-order 106 * 23 bits of the Ethernet multicast address 01-00-5E-00-00-00 (hex)." 107 */ 108 #define ETHER_ADDR_FOR_IPV4_MCAST(x) \ 109 (rte_cpu_to_be_64(0x01005e000000ULL | ((x) & 0x7fffff)) >> 16) 110 111 /* 112 * Configurable number of RX/TX ring descriptors 113 */ 114 #define RTE_TEST_RX_DESC_DEFAULT 128 115 #define RTE_TEST_TX_DESC_DEFAULT 512 116 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 117 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 118 119 /* ethernet addresses of ports */ 120 static struct ether_addr ports_eth_addr[MAX_PORTS]; 121 122 /* mask of enabled ports */ 123 static uint32_t enabled_port_mask = 0; 124 125 static uint8_t nb_ports = 0; 126 127 static int rx_queue_per_lcore = 1; 128 129 struct mbuf_table { 130 uint16_t len; 131 struct rte_mbuf *m_table[MAX_PKT_BURST]; 132 }; 133 134 #define MAX_RX_QUEUE_PER_LCORE 16 135 #define MAX_TX_QUEUE_PER_PORT 16 136 struct lcore_queue_conf { 137 uint64_t tx_tsc; 138 uint16_t n_rx_queue; 139 uint8_t rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 140 uint16_t tx_queue_id[MAX_PORTS]; 141 struct mbuf_table tx_mbufs[MAX_PORTS]; 142 } __rte_cache_aligned; 143 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 144 145 static const struct rte_eth_conf port_conf = { 146 .rxmode = { 147 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE, 148 .split_hdr_size = 0, 149 .header_split = 0, /**< Header Split disabled */ 150 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 151 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 152 .jumbo_frame = 1, /**< Jumbo Frame Support enabled */ 153 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 154 }, 155 .txmode = { 156 .mq_mode = ETH_MQ_TX_NONE, 157 }, 158 }; 159 160 static struct rte_mempool *packet_pool, *header_pool, *clone_pool; 161 162 163 /* Multicast */ 164 static struct rte_fbk_hash_params mcast_hash_params = { 165 .name = "MCAST_HASH", 166 .entries = 1024, 167 .entries_per_bucket = 4, 168 .socket_id = 0, 169 .hash_func = NULL, 170 .init_val = 0, 171 }; 172 173 struct rte_fbk_hash_table *mcast_hash = NULL; 174 175 struct mcast_group_params { 176 uint32_t ip; 177 uint16_t port_mask; 178 }; 179 180 static struct mcast_group_params mcast_group_table[] = { 181 {IPv4(224,0,0,101), 0x1}, 182 {IPv4(224,0,0,102), 0x2}, 183 {IPv4(224,0,0,103), 0x3}, 184 {IPv4(224,0,0,104), 0x4}, 185 {IPv4(224,0,0,105), 0x5}, 186 {IPv4(224,0,0,106), 0x6}, 187 {IPv4(224,0,0,107), 0x7}, 188 {IPv4(224,0,0,108), 0x8}, 189 {IPv4(224,0,0,109), 0x9}, 190 {IPv4(224,0,0,110), 0xA}, 191 {IPv4(224,0,0,111), 0xB}, 192 {IPv4(224,0,0,112), 0xC}, 193 {IPv4(224,0,0,113), 0xD}, 194 {IPv4(224,0,0,114), 0xE}, 195 {IPv4(224,0,0,115), 0xF}, 196 }; 197 198 #define N_MCAST_GROUPS \ 199 (sizeof (mcast_group_table) / sizeof (mcast_group_table[0])) 200 201 202 /* Send burst of packets on an output interface */ 203 static void 204 send_burst(struct lcore_queue_conf *qconf, uint8_t port) 205 { 206 struct rte_mbuf **m_table; 207 uint16_t n, queueid; 208 int ret; 209 210 queueid = qconf->tx_queue_id[port]; 211 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 212 n = qconf->tx_mbufs[port].len; 213 214 ret = rte_eth_tx_burst(port, queueid, m_table, n); 215 while (unlikely (ret < n)) { 216 rte_pktmbuf_free(m_table[ret]); 217 ret++; 218 } 219 220 qconf->tx_mbufs[port].len = 0; 221 } 222 223 /* Get number of bits set. */ 224 static inline uint32_t 225 bitcnt(uint32_t v) 226 { 227 uint32_t n; 228 229 for (n = 0; v != 0; v &= v - 1, n++) 230 ; 231 232 return (n); 233 } 234 235 /** 236 * Create the output multicast packet based on the given input packet. 237 * There are two approaches for creating outgoing packet, though both 238 * are based on data zero-copy idea, they differ in few details: 239 * First one creates a clone of the input packet, e.g - walk though all 240 * segments of the input packet, and for each of them create a new packet 241 * mbuf and attach that new mbuf to the segment (refer to rte_pktmbuf_clone() 242 * for more details). Then new mbuf is allocated for the packet header 243 * and is prepended to the 'clone' mbuf. 244 * Second approach doesn't make a clone, it just increment refcnt for all 245 * input packet segments. Then it allocates new mbuf for the packet header 246 * and prepends it to the input packet. 247 * Basically first approach reuses only input packet's data, but creates 248 * it's own copy of packet's metadata. Second approach reuses both input's 249 * packet data and metadata. 250 * The advantage of first approach - is that each outgoing packet has it's 251 * own copy of metadata, so we can safely modify data pointer of the 252 * input packet. That allows us to skip creation if the output packet for 253 * the last destination port, but instead modify input packet's header inplace, 254 * e.g: for N destination ports we need to invoke mcast_out_pkt (N-1) times. 255 * The advantage of second approach - less work for each outgoing packet, 256 * e.g: we skip "clone" operation completely. Though it comes with a price - 257 * input packet's metadata has to be intact. So for N destination ports we 258 * need to invoke mcast_out_pkt N times. 259 * So for small number of outgoing ports (and segments in the input packet) 260 * first approach will be faster. 261 * As number of outgoing ports (and/or input segments) will grow, 262 * second way will become more preferable. 263 * 264 * @param pkt 265 * Input packet mbuf. 266 * @param use_clone 267 * Control which of the two approaches described above should be used: 268 * - 0 - use second approach: 269 * Don't "clone" input packet. 270 * Prepend new header directly to the input packet 271 * - 1 - use first approach: 272 * Make a "clone" of input packet first. 273 * Prepend new header to the clone of the input packet 274 * @return 275 * - The pointer to the new outgoing packet. 276 * - NULL if operation failed. 277 */ 278 static inline struct rte_mbuf * 279 mcast_out_pkt(struct rte_mbuf *pkt, int use_clone) 280 { 281 struct rte_mbuf *hdr; 282 283 /* Create new mbuf for the header. */ 284 if (unlikely ((hdr = rte_pktmbuf_alloc(header_pool)) == NULL)) 285 return (NULL); 286 287 /* If requested, then make a new clone packet. */ 288 if (use_clone != 0 && 289 unlikely ((pkt = rte_pktmbuf_clone(pkt, clone_pool)) == NULL)) { 290 rte_pktmbuf_free(hdr); 291 return (NULL); 292 } 293 294 /* prepend new header */ 295 hdr->next = pkt; 296 297 298 /* update header's fields */ 299 hdr->pkt_len = (uint16_t)(hdr->data_len + pkt->pkt_len); 300 hdr->nb_segs = (uint8_t)(pkt->nb_segs + 1); 301 302 /* copy metadata from source packet*/ 303 hdr->port = pkt->port; 304 hdr->vlan_tci = pkt->vlan_tci; 305 hdr->l2_l3_len = pkt->l2_l3_len; 306 hdr->hash = pkt->hash; 307 308 hdr->ol_flags = pkt->ol_flags; 309 310 __rte_mbuf_sanity_check(hdr, 1); 311 return (hdr); 312 } 313 314 /* 315 * Write new Ethernet header to the outgoing packet, 316 * and put it into the outgoing queue for the given port. 317 */ 318 static inline void 319 mcast_send_pkt(struct rte_mbuf *pkt, struct ether_addr *dest_addr, 320 struct lcore_queue_conf *qconf, uint8_t port) 321 { 322 struct ether_hdr *ethdr; 323 uint16_t len; 324 325 /* Construct Ethernet header. */ 326 ethdr = (struct ether_hdr *)rte_pktmbuf_prepend(pkt, (uint16_t)sizeof(*ethdr)); 327 RTE_MBUF_ASSERT(ethdr != NULL); 328 329 ether_addr_copy(dest_addr, ðdr->d_addr); 330 ether_addr_copy(&ports_eth_addr[port], ðdr->s_addr); 331 ethdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4); 332 333 /* Put new packet into the output queue */ 334 len = qconf->tx_mbufs[port].len; 335 qconf->tx_mbufs[port].m_table[len] = pkt; 336 qconf->tx_mbufs[port].len = ++len; 337 338 /* Transmit packets */ 339 if (unlikely(MAX_PKT_BURST == len)) 340 send_burst(qconf, port); 341 } 342 343 /* Multicast forward of the input packet */ 344 static inline void 345 mcast_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf) 346 { 347 struct rte_mbuf *mc; 348 struct ipv4_hdr *iphdr; 349 uint32_t dest_addr, port_mask, port_num, use_clone; 350 int32_t hash; 351 uint8_t port; 352 union { 353 uint64_t as_int; 354 struct ether_addr as_addr; 355 } dst_eth_addr; 356 357 /* Remove the Ethernet header from the input packet */ 358 iphdr = (struct ipv4_hdr *)rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr)); 359 RTE_MBUF_ASSERT(iphdr != NULL); 360 361 dest_addr = rte_be_to_cpu_32(iphdr->dst_addr); 362 363 /* 364 * Check that it is a valid multicast address and 365 * we have some active ports assigned to it. 366 */ 367 if(!IS_IPV4_MCAST(dest_addr) || 368 (hash = rte_fbk_hash_lookup(mcast_hash, dest_addr)) <= 0 || 369 (port_mask = hash & enabled_port_mask) == 0) { 370 rte_pktmbuf_free(m); 371 return; 372 } 373 374 /* Calculate number of destination ports. */ 375 port_num = bitcnt(port_mask); 376 377 /* Should we use rte_pktmbuf_clone() or not. */ 378 use_clone = (port_num <= MCAST_CLONE_PORTS && 379 m->nb_segs <= MCAST_CLONE_SEGS); 380 381 /* Mark all packet's segments as referenced port_num times */ 382 if (use_clone == 0) 383 rte_pktmbuf_refcnt_update(m, (uint16_t)port_num); 384 385 /* construct destination ethernet address */ 386 dst_eth_addr.as_int = ETHER_ADDR_FOR_IPV4_MCAST(dest_addr); 387 388 for (port = 0; use_clone != port_mask; port_mask >>= 1, port++) { 389 390 /* Prepare output packet and send it out. */ 391 if ((port_mask & 1) != 0) { 392 if (likely ((mc = mcast_out_pkt(m, use_clone)) != NULL)) 393 mcast_send_pkt(mc, &dst_eth_addr.as_addr, 394 qconf, port); 395 else if (use_clone == 0) 396 rte_pktmbuf_free(m); 397 } 398 } 399 400 /* 401 * If we making clone packets, then, for the last destination port, 402 * we can overwrite input packet's metadata. 403 */ 404 if (use_clone != 0) 405 mcast_send_pkt(m, &dst_eth_addr.as_addr, qconf, port); 406 else 407 rte_pktmbuf_free(m); 408 } 409 410 /* Send burst of outgoing packet, if timeout expires. */ 411 static inline void 412 send_timeout_burst(struct lcore_queue_conf *qconf) 413 { 414 uint64_t cur_tsc; 415 uint8_t portid; 416 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 417 418 cur_tsc = rte_rdtsc(); 419 if (likely (cur_tsc < qconf->tx_tsc + drain_tsc)) 420 return; 421 422 for (portid = 0; portid < MAX_PORTS; portid++) { 423 if (qconf->tx_mbufs[portid].len != 0) 424 send_burst(qconf, portid); 425 } 426 qconf->tx_tsc = cur_tsc; 427 } 428 429 /* main processing loop */ 430 static int 431 main_loop(__rte_unused void *dummy) 432 { 433 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 434 unsigned lcore_id; 435 int i, j, nb_rx; 436 uint8_t portid; 437 struct lcore_queue_conf *qconf; 438 439 lcore_id = rte_lcore_id(); 440 qconf = &lcore_queue_conf[lcore_id]; 441 442 443 if (qconf->n_rx_queue == 0) { 444 RTE_LOG(INFO, IPv4_MULTICAST, "lcore %u has nothing to do\n", 445 lcore_id); 446 return 0; 447 } 448 449 RTE_LOG(INFO, IPv4_MULTICAST, "entering main loop on lcore %u\n", 450 lcore_id); 451 452 for (i = 0; i < qconf->n_rx_queue; i++) { 453 454 portid = qconf->rx_queue_list[i]; 455 RTE_LOG(INFO, IPv4_MULTICAST, " -- lcoreid=%u portid=%d\n", 456 lcore_id, (int) portid); 457 } 458 459 while (1) { 460 461 /* 462 * Read packet from RX queues 463 */ 464 for (i = 0; i < qconf->n_rx_queue; i++) { 465 466 portid = qconf->rx_queue_list[i]; 467 nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst, 468 MAX_PKT_BURST); 469 470 /* Prefetch first packets */ 471 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { 472 rte_prefetch0(rte_pktmbuf_mtod( 473 pkts_burst[j], void *)); 474 } 475 476 /* Prefetch and forward already prefetched packets */ 477 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 478 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 479 j + PREFETCH_OFFSET], void *)); 480 mcast_forward(pkts_burst[j], qconf); 481 } 482 483 /* Forward remaining prefetched packets */ 484 for (; j < nb_rx; j++) { 485 mcast_forward(pkts_burst[j], qconf); 486 } 487 } 488 489 /* Send out packets from TX queues */ 490 send_timeout_burst(qconf); 491 } 492 } 493 494 /* display usage */ 495 static void 496 print_usage(const char *prgname) 497 { 498 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n" 499 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 500 " -q NQ: number of queue (=ports) per lcore (default is 1)\n", 501 prgname); 502 } 503 504 static uint32_t 505 parse_portmask(const char *portmask) 506 { 507 char *end = NULL; 508 unsigned long pm; 509 510 /* parse hexadecimal string */ 511 pm = strtoul(portmask, &end, 16); 512 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 513 return 0; 514 515 return ((uint32_t)pm); 516 } 517 518 static int 519 parse_nqueue(const char *q_arg) 520 { 521 char *end = NULL; 522 unsigned long n; 523 524 /* parse numerical string */ 525 errno = 0; 526 n = strtoul(q_arg, &end, 0); 527 if (errno != 0 || end == NULL || *end != '\0' || 528 n == 0 || n >= MAX_RX_QUEUE_PER_LCORE) 529 return (-1); 530 531 return (n); 532 } 533 534 /* Parse the argument given in the command line of the application */ 535 static int 536 parse_args(int argc, char **argv) 537 { 538 int opt, ret; 539 char **argvopt; 540 int option_index; 541 char *prgname = argv[0]; 542 static struct option lgopts[] = { 543 {NULL, 0, 0, 0} 544 }; 545 546 argvopt = argv; 547 548 while ((opt = getopt_long(argc, argvopt, "p:q:", 549 lgopts, &option_index)) != EOF) { 550 551 switch (opt) { 552 /* portmask */ 553 case 'p': 554 enabled_port_mask = parse_portmask(optarg); 555 if (enabled_port_mask == 0) { 556 printf("invalid portmask\n"); 557 print_usage(prgname); 558 return -1; 559 } 560 break; 561 562 /* nqueue */ 563 case 'q': 564 rx_queue_per_lcore = parse_nqueue(optarg); 565 if (rx_queue_per_lcore < 0) { 566 printf("invalid queue number\n"); 567 print_usage(prgname); 568 return -1; 569 } 570 break; 571 572 default: 573 print_usage(prgname); 574 return -1; 575 } 576 } 577 578 if (optind >= 0) 579 argv[optind-1] = prgname; 580 581 ret = optind-1; 582 optind = 0; /* reset getopt lib */ 583 return ret; 584 } 585 586 static void 587 print_ethaddr(const char *name, struct ether_addr *eth_addr) 588 { 589 char buf[ETHER_ADDR_FMT_SIZE]; 590 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 591 printf("%s%s", name, buf); 592 } 593 594 static int 595 init_mcast_hash(void) 596 { 597 uint32_t i; 598 599 mcast_hash_params.socket_id = rte_socket_id(); 600 mcast_hash = rte_fbk_hash_create(&mcast_hash_params); 601 if (mcast_hash == NULL){ 602 return -1; 603 } 604 605 for (i = 0; i < N_MCAST_GROUPS; i ++){ 606 if (rte_fbk_hash_add_key(mcast_hash, 607 mcast_group_table[i].ip, 608 mcast_group_table[i].port_mask) < 0) { 609 return -1; 610 } 611 } 612 613 return 0; 614 } 615 616 /* Check the link status of all ports in up to 9s, and print them finally */ 617 static void 618 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 619 { 620 #define CHECK_INTERVAL 100 /* 100ms */ 621 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 622 uint8_t portid, count, all_ports_up, print_flag = 0; 623 struct rte_eth_link link; 624 625 printf("\nChecking link status"); 626 fflush(stdout); 627 for (count = 0; count <= MAX_CHECK_TIME; count++) { 628 all_ports_up = 1; 629 for (portid = 0; portid < port_num; portid++) { 630 if ((port_mask & (1 << portid)) == 0) 631 continue; 632 memset(&link, 0, sizeof(link)); 633 rte_eth_link_get_nowait(portid, &link); 634 /* print link status if flag set */ 635 if (print_flag == 1) { 636 if (link.link_status) 637 printf("Port %d Link Up - speed %u " 638 "Mbps - %s\n", (uint8_t)portid, 639 (unsigned)link.link_speed, 640 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 641 ("full-duplex") : ("half-duplex\n")); 642 else 643 printf("Port %d Link Down\n", 644 (uint8_t)portid); 645 continue; 646 } 647 /* clear all_ports_up flag if any link down */ 648 if (link.link_status == 0) { 649 all_ports_up = 0; 650 break; 651 } 652 } 653 /* after finally printing all link status, get out */ 654 if (print_flag == 1) 655 break; 656 657 if (all_ports_up == 0) { 658 printf("."); 659 fflush(stdout); 660 rte_delay_ms(CHECK_INTERVAL); 661 } 662 663 /* set the print_flag if all ports up or timeout */ 664 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 665 print_flag = 1; 666 printf("done\n"); 667 } 668 } 669 } 670 671 int 672 MAIN(int argc, char **argv) 673 { 674 struct lcore_queue_conf *qconf; 675 struct rte_eth_dev_info dev_info; 676 struct rte_eth_txconf *txconf; 677 int ret; 678 uint16_t queueid; 679 unsigned lcore_id = 0, rx_lcore_id = 0; 680 uint32_t n_tx_queue, nb_lcores; 681 uint8_t portid; 682 683 /* init EAL */ 684 ret = rte_eal_init(argc, argv); 685 if (ret < 0) 686 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 687 argc -= ret; 688 argv += ret; 689 690 /* parse application arguments (after the EAL ones) */ 691 ret = parse_args(argc, argv); 692 if (ret < 0) 693 rte_exit(EXIT_FAILURE, "Invalid IPV4_MULTICAST parameters\n"); 694 695 /* create the mbuf pools */ 696 packet_pool = rte_mempool_create("packet_pool", NB_PKT_MBUF, 697 PKT_MBUF_SIZE, 32, sizeof(struct rte_pktmbuf_pool_private), 698 rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL, 699 rte_socket_id(), 0); 700 701 if (packet_pool == NULL) 702 rte_exit(EXIT_FAILURE, "Cannot init packet mbuf pool\n"); 703 704 header_pool = rte_mempool_create("header_pool", NB_HDR_MBUF, 705 HDR_MBUF_SIZE, 32, 0, NULL, NULL, rte_pktmbuf_init, NULL, 706 rte_socket_id(), 0); 707 708 if (header_pool == NULL) 709 rte_exit(EXIT_FAILURE, "Cannot init header mbuf pool\n"); 710 711 clone_pool = rte_mempool_create("clone_pool", NB_CLONE_MBUF, 712 CLONE_MBUF_SIZE, 32, 0, NULL, NULL, rte_pktmbuf_init, NULL, 713 rte_socket_id(), 0); 714 715 if (clone_pool == NULL) 716 rte_exit(EXIT_FAILURE, "Cannot init clone mbuf pool\n"); 717 718 nb_ports = rte_eth_dev_count(); 719 if (nb_ports == 0) 720 rte_exit(EXIT_FAILURE, "No physical ports!\n"); 721 if (nb_ports > MAX_PORTS) 722 nb_ports = MAX_PORTS; 723 724 nb_lcores = rte_lcore_count(); 725 726 /* initialize all ports */ 727 for (portid = 0; portid < nb_ports; portid++) { 728 /* skip ports that are not enabled */ 729 if ((enabled_port_mask & (1 << portid)) == 0) { 730 printf("Skipping disabled port %d\n", portid); 731 continue; 732 } 733 734 qconf = &lcore_queue_conf[rx_lcore_id]; 735 736 /* get the lcore_id for this port */ 737 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 738 qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) { 739 740 rx_lcore_id ++; 741 qconf = &lcore_queue_conf[rx_lcore_id]; 742 743 if (rx_lcore_id >= RTE_MAX_LCORE) 744 rte_exit(EXIT_FAILURE, "Not enough cores\n"); 745 } 746 qconf->rx_queue_list[qconf->n_rx_queue] = portid; 747 qconf->n_rx_queue++; 748 749 /* init port */ 750 printf("Initializing port %d on lcore %u... ", portid, 751 rx_lcore_id); 752 fflush(stdout); 753 754 n_tx_queue = nb_lcores; 755 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 756 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 757 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue, 758 &port_conf); 759 if (ret < 0) 760 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n", 761 ret, portid); 762 763 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 764 print_ethaddr(" Address:", &ports_eth_addr[portid]); 765 printf(", "); 766 767 /* init one RX queue */ 768 queueid = 0; 769 printf("rxq=%hu ", queueid); 770 fflush(stdout); 771 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 772 rte_eth_dev_socket_id(portid), 773 NULL, 774 packet_pool); 775 if (ret < 0) 776 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, port=%d\n", 777 ret, portid); 778 779 /* init one TX queue per couple (lcore,port) */ 780 queueid = 0; 781 782 RTE_LCORE_FOREACH(lcore_id) { 783 if (rte_lcore_is_enabled(lcore_id) == 0) 784 continue; 785 printf("txq=%u,%hu ", lcore_id, queueid); 786 fflush(stdout); 787 788 rte_eth_dev_info_get(portid, &dev_info); 789 txconf = &dev_info.default_txconf; 790 txconf->txq_flags = 0; 791 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 792 rte_lcore_to_socket_id(lcore_id), txconf); 793 if (ret < 0) 794 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, " 795 "port=%d\n", ret, portid); 796 797 qconf = &lcore_queue_conf[lcore_id]; 798 qconf->tx_queue_id[portid] = queueid; 799 queueid++; 800 } 801 802 /* Start device */ 803 ret = rte_eth_dev_start(portid); 804 if (ret < 0) 805 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n", 806 ret, portid); 807 808 printf("done:\n"); 809 } 810 811 check_all_ports_link_status(nb_ports, enabled_port_mask); 812 813 /* initialize the multicast hash */ 814 int retval = init_mcast_hash(); 815 if (retval != 0) 816 rte_exit(EXIT_FAILURE, "Cannot build the multicast hash\n"); 817 818 /* launch per-lcore init on every lcore */ 819 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); 820 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 821 if (rte_eal_wait_lcore(lcore_id) < 0) 822 return -1; 823 } 824 825 return 0; 826 } 827