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 <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 #include <signal.h> 45 #include <stdbool.h> 46 47 #include <rte_common.h> 48 #include <rte_vect.h> 49 #include <rte_byteorder.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_mempool.h> 70 #include <rte_mbuf.h> 71 #include <rte_ip.h> 72 #include <rte_tcp.h> 73 #include <rte_udp.h> 74 #include <rte_string_fns.h> 75 #include <rte_cpuflags.h> 76 77 #include <cmdline_parse.h> 78 #include <cmdline_parse_etheraddr.h> 79 80 #include "l3fwd.h" 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 88 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 89 #define MAX_RX_QUEUE_PER_PORT 128 90 91 #define MAX_LCORE_PARAMS 1024 92 93 /* Static global variables used within this file. */ 94 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 95 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 96 97 /**< Ports set in promiscuous mode off by default. */ 98 static int promiscuous_on; 99 100 /* Select Longest-Prefix or Exact match. */ 101 static int l3fwd_lpm_on; 102 static int l3fwd_em_on; 103 104 static int numa_on = 1; /**< NUMA is enabled by default. */ 105 static int parse_ptype; /**< Parse packet type using rx callback, and */ 106 /**< disabled by default */ 107 108 /* Global variables. */ 109 110 volatile bool force_quit; 111 112 /* ethernet addresses of ports */ 113 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 114 struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 115 116 xmm_t val_eth[RTE_MAX_ETHPORTS]; 117 118 /* mask of enabled ports */ 119 uint32_t enabled_port_mask; 120 121 /* Used only in exact match mode. */ 122 int ipv6; /**< ipv6 is false by default. */ 123 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 124 125 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 126 127 struct lcore_params { 128 uint8_t port_id; 129 uint8_t queue_id; 130 uint8_t lcore_id; 131 } __rte_cache_aligned; 132 133 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 134 static struct lcore_params lcore_params_array_default[] = { 135 {0, 0, 2}, 136 {0, 1, 2}, 137 {0, 2, 2}, 138 {1, 0, 2}, 139 {1, 1, 2}, 140 {1, 2, 2}, 141 {2, 0, 2}, 142 {3, 0, 3}, 143 {3, 1, 3}, 144 }; 145 146 static struct lcore_params * lcore_params = lcore_params_array_default; 147 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / 148 sizeof(lcore_params_array_default[0]); 149 150 static struct rte_eth_conf port_conf = { 151 .rxmode = { 152 .mq_mode = ETH_MQ_RX_RSS, 153 .max_rx_pkt_len = ETHER_MAX_LEN, 154 .split_hdr_size = 0, 155 .header_split = 0, /**< Header Split disabled */ 156 .hw_ip_checksum = 1, /**< IP checksum offload enabled */ 157 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 158 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 159 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 160 }, 161 .rx_adv_conf = { 162 .rss_conf = { 163 .rss_key = NULL, 164 .rss_hf = ETH_RSS_IP, 165 }, 166 }, 167 .txmode = { 168 .mq_mode = ETH_MQ_TX_NONE, 169 }, 170 }; 171 172 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; 173 174 struct l3fwd_lkp_mode { 175 void (*setup)(int); 176 int (*check_ptype)(int); 177 rte_rx_callback_fn cb_parse_ptype; 178 int (*main_loop)(void *); 179 void* (*get_ipv4_lookup_struct)(int); 180 void* (*get_ipv6_lookup_struct)(int); 181 }; 182 183 static struct l3fwd_lkp_mode l3fwd_lkp; 184 185 static struct l3fwd_lkp_mode l3fwd_em_lkp = { 186 .setup = setup_hash, 187 .check_ptype = em_check_ptype, 188 .cb_parse_ptype = em_cb_parse_ptype, 189 .main_loop = em_main_loop, 190 .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct, 191 .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct, 192 }; 193 194 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = { 195 .setup = setup_lpm, 196 .check_ptype = lpm_check_ptype, 197 .cb_parse_ptype = lpm_cb_parse_ptype, 198 .main_loop = lpm_main_loop, 199 .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct, 200 .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct, 201 }; 202 203 /* 204 * Setup lookup methods for forwarding. 205 * Currently exact-match and longest-prefix-match 206 * are supported ones. 207 */ 208 static void 209 setup_l3fwd_lookup_tables(void) 210 { 211 /* Setup HASH lookup functions. */ 212 if (l3fwd_em_on) 213 l3fwd_lkp = l3fwd_em_lkp; 214 /* Setup LPM lookup functions. */ 215 else 216 l3fwd_lkp = l3fwd_lpm_lkp; 217 } 218 219 static int 220 check_lcore_params(void) 221 { 222 uint8_t queue, lcore; 223 uint16_t i; 224 int socketid; 225 226 for (i = 0; i < nb_lcore_params; ++i) { 227 queue = lcore_params[i].queue_id; 228 if (queue >= MAX_RX_QUEUE_PER_PORT) { 229 printf("invalid queue number: %hhu\n", queue); 230 return -1; 231 } 232 lcore = lcore_params[i].lcore_id; 233 if (!rte_lcore_is_enabled(lcore)) { 234 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore); 235 return -1; 236 } 237 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) && 238 (numa_on == 0)) { 239 printf("warning: lcore %hhu is on socket %d with numa off \n", 240 lcore, socketid); 241 } 242 } 243 return 0; 244 } 245 246 static int 247 check_port_config(const unsigned nb_ports) 248 { 249 unsigned portid; 250 uint16_t i; 251 252 for (i = 0; i < nb_lcore_params; ++i) { 253 portid = lcore_params[i].port_id; 254 if ((enabled_port_mask & (1 << portid)) == 0) { 255 printf("port %u is not enabled in port mask\n", portid); 256 return -1; 257 } 258 if (portid >= nb_ports) { 259 printf("port %u is not present on the board\n", portid); 260 return -1; 261 } 262 } 263 return 0; 264 } 265 266 static uint8_t 267 get_port_n_rx_queues(const uint8_t port) 268 { 269 int queue = -1; 270 uint16_t i; 271 272 for (i = 0; i < nb_lcore_params; ++i) { 273 if (lcore_params[i].port_id == port) { 274 if (lcore_params[i].queue_id == queue+1) 275 queue = lcore_params[i].queue_id; 276 else 277 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be" 278 " in sequence and must start with 0\n", 279 lcore_params[i].port_id); 280 } 281 } 282 return (uint8_t)(++queue); 283 } 284 285 static int 286 init_lcore_rx_queues(void) 287 { 288 uint16_t i, nb_rx_queue; 289 uint8_t lcore; 290 291 for (i = 0; i < nb_lcore_params; ++i) { 292 lcore = lcore_params[i].lcore_id; 293 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 294 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 295 printf("error: too many queues (%u) for lcore: %u\n", 296 (unsigned)nb_rx_queue + 1, (unsigned)lcore); 297 return -1; 298 } else { 299 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 300 lcore_params[i].port_id; 301 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 302 lcore_params[i].queue_id; 303 lcore_conf[lcore].n_rx_queue++; 304 } 305 } 306 return 0; 307 } 308 309 /* display usage */ 310 static void 311 print_usage(const char *prgname) 312 { 313 printf("%s [EAL options] --" 314 " -p PORTMASK" 315 " [-P]" 316 " [-E]" 317 " [-L]" 318 " --config (port,queue,lcore)[,(port,queue,lcore)]" 319 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]" 320 " [--enable-jumbo [--max-pkt-len PKTLEN]]" 321 " [--no-numa]" 322 " [--hash-entry-num]" 323 " [--ipv6]" 324 " [--parse-ptype]\n\n" 325 326 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n" 327 " -P : Enable promiscuous mode\n" 328 " -E : Enable exact match\n" 329 " -L : Enable longest prefix match (default)\n" 330 " --config (port,queue,lcore): Rx queue configuration\n" 331 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n" 332 " --enable-jumbo: Enable jumbo frames\n" 333 " --max-pkt-len: Under the premise of enabling jumbo,\n" 334 " maximum packet length in decimal (64-9600)\n" 335 " --no-numa: Disable numa awareness\n" 336 " --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n" 337 " --ipv6: Set if running ipv6 packets\n" 338 " --parse-ptype: Set to use software to analyze packet type\n\n", 339 prgname); 340 } 341 342 static int 343 parse_max_pkt_len(const char *pktlen) 344 { 345 char *end = NULL; 346 unsigned long len; 347 348 /* parse decimal string */ 349 len = strtoul(pktlen, &end, 10); 350 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 351 return -1; 352 353 if (len == 0) 354 return -1; 355 356 return len; 357 } 358 359 static int 360 parse_portmask(const char *portmask) 361 { 362 char *end = NULL; 363 unsigned long pm; 364 365 /* parse hexadecimal string */ 366 pm = strtoul(portmask, &end, 16); 367 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 368 return -1; 369 370 if (pm == 0) 371 return -1; 372 373 return pm; 374 } 375 376 static int 377 parse_hash_entry_number(const char *hash_entry_num) 378 { 379 char *end = NULL; 380 unsigned long hash_en; 381 /* parse hexadecimal string */ 382 hash_en = strtoul(hash_entry_num, &end, 16); 383 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) 384 return -1; 385 386 if (hash_en == 0) 387 return -1; 388 389 return hash_en; 390 } 391 392 static int 393 parse_config(const char *q_arg) 394 { 395 char s[256]; 396 const char *p, *p0 = q_arg; 397 char *end; 398 enum fieldnames { 399 FLD_PORT = 0, 400 FLD_QUEUE, 401 FLD_LCORE, 402 _NUM_FLD 403 }; 404 unsigned long int_fld[_NUM_FLD]; 405 char *str_fld[_NUM_FLD]; 406 int i; 407 unsigned size; 408 409 nb_lcore_params = 0; 410 411 while ((p = strchr(p0,'(')) != NULL) { 412 ++p; 413 if((p0 = strchr(p,')')) == NULL) 414 return -1; 415 416 size = p0 - p; 417 if(size >= sizeof(s)) 418 return -1; 419 420 snprintf(s, sizeof(s), "%.*s", size, p); 421 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 422 return -1; 423 for (i = 0; i < _NUM_FLD; i++){ 424 errno = 0; 425 int_fld[i] = strtoul(str_fld[i], &end, 0); 426 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 427 return -1; 428 } 429 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 430 printf("exceeded max number of lcore params: %hu\n", 431 nb_lcore_params); 432 return -1; 433 } 434 lcore_params_array[nb_lcore_params].port_id = 435 (uint8_t)int_fld[FLD_PORT]; 436 lcore_params_array[nb_lcore_params].queue_id = 437 (uint8_t)int_fld[FLD_QUEUE]; 438 lcore_params_array[nb_lcore_params].lcore_id = 439 (uint8_t)int_fld[FLD_LCORE]; 440 ++nb_lcore_params; 441 } 442 lcore_params = lcore_params_array; 443 return 0; 444 } 445 446 static void 447 parse_eth_dest(const char *optarg) 448 { 449 uint8_t portid; 450 char *port_end; 451 uint8_t c, *dest, peer_addr[6]; 452 453 errno = 0; 454 portid = strtoul(optarg, &port_end, 10); 455 if (errno != 0 || port_end == optarg || *port_end++ != ',') 456 rte_exit(EXIT_FAILURE, 457 "Invalid eth-dest: %s", optarg); 458 if (portid >= RTE_MAX_ETHPORTS) 459 rte_exit(EXIT_FAILURE, 460 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", 461 portid, RTE_MAX_ETHPORTS); 462 463 if (cmdline_parse_etheraddr(NULL, port_end, 464 &peer_addr, sizeof(peer_addr)) < 0) 465 rte_exit(EXIT_FAILURE, 466 "Invalid ethernet address: %s\n", 467 port_end); 468 dest = (uint8_t *)&dest_eth_addr[portid]; 469 for (c = 0; c < 6; c++) 470 dest[c] = peer_addr[c]; 471 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 472 } 473 474 #define MAX_JUMBO_PKT_LEN 9600 475 #define MEMPOOL_CACHE_SIZE 256 476 477 static const char short_options[] = 478 "p:" /* portmask */ 479 "P" /* promiscuous */ 480 "L" /* enable long prefix match */ 481 "E" /* enable exact match */ 482 ; 483 484 #define CMD_LINE_OPT_CONFIG "config" 485 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 486 #define CMD_LINE_OPT_NO_NUMA "no-numa" 487 #define CMD_LINE_OPT_IPV6 "ipv6" 488 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" 489 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" 490 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 491 enum { 492 /* long options mapped to a short option */ 493 494 /* first long only option value must be >= 256, so that we won't 495 * conflict with short options */ 496 CMD_LINE_OPT_MIN_NUM = 256, 497 CMD_LINE_OPT_CONFIG_NUM, 498 CMD_LINE_OPT_ETH_DEST_NUM, 499 CMD_LINE_OPT_NO_NUMA_NUM, 500 CMD_LINE_OPT_IPV6_NUM, 501 CMD_LINE_OPT_ENABLE_JUMBO_NUM, 502 CMD_LINE_OPT_HASH_ENTRY_NUM_NUM, 503 CMD_LINE_OPT_PARSE_PTYPE_NUM, 504 }; 505 506 static const struct option lgopts[] = { 507 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM}, 508 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM}, 509 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM}, 510 {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM}, 511 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM}, 512 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM}, 513 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM}, 514 {NULL, 0, 0, 0} 515 }; 516 517 /* 518 * This expression is used to calculate the number of mbufs needed 519 * depending on user input, taking into account memory for rx and 520 * tx hardware rings, cache per lcore and mtable per port per lcore. 521 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum 522 * value of 8192 523 */ 524 #define NB_MBUF RTE_MAX( \ 525 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \ 526 nb_ports*nb_lcores*MAX_PKT_BURST + \ 527 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \ 528 nb_lcores*MEMPOOL_CACHE_SIZE), \ 529 (unsigned)8192) 530 531 /* Parse the argument given in the command line of the application */ 532 static int 533 parse_args(int argc, char **argv) 534 { 535 int opt, ret; 536 char **argvopt; 537 int option_index; 538 char *prgname = argv[0]; 539 540 argvopt = argv; 541 542 /* Error or normal output strings. */ 543 const char *str1 = "L3FWD: Invalid portmask"; 544 const char *str2 = "L3FWD: Promiscuous mode selected"; 545 const char *str3 = "L3FWD: Exact match selected"; 546 const char *str4 = "L3FWD: Longest-prefix match selected"; 547 const char *str5 = "L3FWD: Invalid config"; 548 const char *str6 = "L3FWD: NUMA is disabled"; 549 const char *str7 = "L3FWD: IPV6 is specified"; 550 const char *str8 = 551 "L3FWD: Jumbo frame is enabled - disabling simple TX path"; 552 const char *str9 = "L3FWD: Invalid packet length"; 553 const char *str10 = "L3FWD: Set jumbo frame max packet len to "; 554 const char *str11 = "L3FWD: Invalid hash entry number"; 555 const char *str12 = 556 "L3FWD: LPM and EM are mutually exclusive, select only one"; 557 const char *str13 = "L3FWD: LPM or EM none selected, default LPM on"; 558 559 while ((opt = getopt_long(argc, argvopt, short_options, 560 lgopts, &option_index)) != EOF) { 561 562 switch (opt) { 563 /* portmask */ 564 case 'p': 565 enabled_port_mask = parse_portmask(optarg); 566 if (enabled_port_mask == 0) { 567 printf("%s\n", str1); 568 print_usage(prgname); 569 return -1; 570 } 571 break; 572 573 case 'P': 574 printf("%s\n", str2); 575 promiscuous_on = 1; 576 break; 577 578 case 'E': 579 printf("%s\n", str3); 580 l3fwd_em_on = 1; 581 break; 582 583 case 'L': 584 printf("%s\n", str4); 585 l3fwd_lpm_on = 1; 586 break; 587 588 /* long options */ 589 case CMD_LINE_OPT_CONFIG_NUM: 590 ret = parse_config(optarg); 591 if (ret) { 592 printf("%s\n", str5); 593 print_usage(prgname); 594 return -1; 595 } 596 break; 597 598 case CMD_LINE_OPT_ETH_DEST_NUM: 599 parse_eth_dest(optarg); 600 break; 601 602 case CMD_LINE_OPT_NO_NUMA_NUM: 603 printf("%s\n", str6); 604 numa_on = 0; 605 break; 606 607 case CMD_LINE_OPT_IPV6_NUM: 608 printf("%sn", str7); 609 ipv6 = 1; 610 break; 611 612 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: { 613 struct option lenopts = { 614 "max-pkt-len", required_argument, 0, 0 615 }; 616 617 printf("%s\n", str8); 618 port_conf.rxmode.jumbo_frame = 1; 619 620 /* 621 * if no max-pkt-len set, use the default 622 * value ETHER_MAX_LEN. 623 */ 624 if (getopt_long(argc, argvopt, "", 625 &lenopts, &option_index) == 0) { 626 ret = parse_max_pkt_len(optarg); 627 if ((ret < 64) || 628 (ret > MAX_JUMBO_PKT_LEN)) { 629 printf("%s\n", str9); 630 print_usage(prgname); 631 return -1; 632 } 633 port_conf.rxmode.max_rx_pkt_len = ret; 634 } 635 printf("%s %u\n", str10, 636 (unsigned int)port_conf.rxmode.max_rx_pkt_len); 637 break; 638 } 639 640 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM: 641 ret = parse_hash_entry_number(optarg); 642 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { 643 hash_entry_number = ret; 644 } else { 645 printf("%s\n", str11); 646 print_usage(prgname); 647 return -1; 648 } 649 break; 650 651 case CMD_LINE_OPT_PARSE_PTYPE_NUM: 652 printf("soft parse-ptype is enabled\n"); 653 parse_ptype = 1; 654 break; 655 656 default: 657 print_usage(prgname); 658 return -1; 659 } 660 } 661 662 /* If both LPM and EM are selected, return error. */ 663 if (l3fwd_lpm_on && l3fwd_em_on) { 664 printf("%s\n", str12); 665 return -1; 666 } 667 668 /* 669 * Nothing is selected, pick longest-prefix match 670 * as default match. 671 */ 672 if (!l3fwd_lpm_on && !l3fwd_em_on) { 673 l3fwd_lpm_on = 1; 674 printf("%s\n", str13); 675 } 676 677 /* 678 * ipv6 and hash flags are valid only for 679 * exact macth, reset them to default for 680 * longest-prefix match. 681 */ 682 if (l3fwd_lpm_on) { 683 ipv6 = 0; 684 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 685 } 686 687 if (optind >= 0) 688 argv[optind-1] = prgname; 689 690 ret = optind-1; 691 optind = 1; /* reset getopt lib */ 692 return ret; 693 } 694 695 static void 696 print_ethaddr(const char *name, const struct ether_addr *eth_addr) 697 { 698 char buf[ETHER_ADDR_FMT_SIZE]; 699 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 700 printf("%s%s", name, buf); 701 } 702 703 static int 704 init_mem(unsigned nb_mbuf) 705 { 706 struct lcore_conf *qconf; 707 int socketid; 708 unsigned lcore_id; 709 char s[64]; 710 711 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 712 if (rte_lcore_is_enabled(lcore_id) == 0) 713 continue; 714 715 if (numa_on) 716 socketid = rte_lcore_to_socket_id(lcore_id); 717 else 718 socketid = 0; 719 720 if (socketid >= NB_SOCKETS) { 721 rte_exit(EXIT_FAILURE, 722 "Socket %d of lcore %u is out of range %d\n", 723 socketid, lcore_id, NB_SOCKETS); 724 } 725 726 if (pktmbuf_pool[socketid] == NULL) { 727 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 728 pktmbuf_pool[socketid] = 729 rte_pktmbuf_pool_create(s, nb_mbuf, 730 MEMPOOL_CACHE_SIZE, 0, 731 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 732 if (pktmbuf_pool[socketid] == NULL) 733 rte_exit(EXIT_FAILURE, 734 "Cannot init mbuf pool on socket %d\n", 735 socketid); 736 else 737 printf("Allocated mbuf pool on socket %d\n", 738 socketid); 739 740 /* Setup either LPM or EM(f.e Hash). */ 741 l3fwd_lkp.setup(socketid); 742 } 743 qconf = &lcore_conf[lcore_id]; 744 qconf->ipv4_lookup_struct = 745 l3fwd_lkp.get_ipv4_lookup_struct(socketid); 746 qconf->ipv6_lookup_struct = 747 l3fwd_lkp.get_ipv6_lookup_struct(socketid); 748 } 749 return 0; 750 } 751 752 /* Check the link status of all ports in up to 9s, and print them finally */ 753 static void 754 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 755 { 756 #define CHECK_INTERVAL 100 /* 100ms */ 757 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 758 uint8_t portid, count, all_ports_up, print_flag = 0; 759 struct rte_eth_link link; 760 761 printf("\nChecking link status"); 762 fflush(stdout); 763 for (count = 0; count <= MAX_CHECK_TIME; count++) { 764 if (force_quit) 765 return; 766 all_ports_up = 1; 767 for (portid = 0; portid < port_num; portid++) { 768 if (force_quit) 769 return; 770 if ((port_mask & (1 << portid)) == 0) 771 continue; 772 memset(&link, 0, sizeof(link)); 773 rte_eth_link_get_nowait(portid, &link); 774 /* print link status if flag set */ 775 if (print_flag == 1) { 776 if (link.link_status) 777 printf("Port %d Link Up - speed %u " 778 "Mbps - %s\n", (uint8_t)portid, 779 (unsigned)link.link_speed, 780 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 781 ("full-duplex") : ("half-duplex\n")); 782 else 783 printf("Port %d Link Down\n", 784 (uint8_t)portid); 785 continue; 786 } 787 /* clear all_ports_up flag if any link down */ 788 if (link.link_status == ETH_LINK_DOWN) { 789 all_ports_up = 0; 790 break; 791 } 792 } 793 /* after finally printing all link status, get out */ 794 if (print_flag == 1) 795 break; 796 797 if (all_ports_up == 0) { 798 printf("."); 799 fflush(stdout); 800 rte_delay_ms(CHECK_INTERVAL); 801 } 802 803 /* set the print_flag if all ports up or timeout */ 804 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 805 print_flag = 1; 806 printf("done\n"); 807 } 808 } 809 } 810 811 static void 812 signal_handler(int signum) 813 { 814 if (signum == SIGINT || signum == SIGTERM) { 815 printf("\n\nSignal %d received, preparing to exit...\n", 816 signum); 817 force_quit = true; 818 } 819 } 820 821 static int 822 prepare_ptype_parser(uint8_t portid, uint16_t queueid) 823 { 824 if (parse_ptype) { 825 printf("Port %d: softly parse packet type info\n", portid); 826 if (rte_eth_add_rx_callback(portid, queueid, 827 l3fwd_lkp.cb_parse_ptype, 828 NULL)) 829 return 1; 830 831 printf("Failed to add rx callback: port=%d\n", portid); 832 return 0; 833 } 834 835 if (l3fwd_lkp.check_ptype(portid)) 836 return 1; 837 838 printf("port %d cannot parse packet type, please add --%s\n", 839 portid, CMD_LINE_OPT_PARSE_PTYPE); 840 return 0; 841 } 842 843 int 844 main(int argc, char **argv) 845 { 846 struct lcore_conf *qconf; 847 struct rte_eth_dev_info dev_info; 848 struct rte_eth_txconf *txconf; 849 int ret; 850 unsigned nb_ports; 851 uint16_t queueid; 852 unsigned lcore_id; 853 uint32_t n_tx_queue, nb_lcores; 854 uint8_t portid, nb_rx_queue, queue, socketid; 855 856 /* init EAL */ 857 ret = rte_eal_init(argc, argv); 858 if (ret < 0) 859 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 860 argc -= ret; 861 argv += ret; 862 863 force_quit = false; 864 signal(SIGINT, signal_handler); 865 signal(SIGTERM, signal_handler); 866 867 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 868 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 869 dest_eth_addr[portid] = 870 ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40); 871 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 872 } 873 874 /* parse application arguments (after the EAL ones) */ 875 ret = parse_args(argc, argv); 876 if (ret < 0) 877 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 878 879 if (check_lcore_params() < 0) 880 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 881 882 ret = init_lcore_rx_queues(); 883 if (ret < 0) 884 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); 885 886 nb_ports = rte_eth_dev_count(); 887 888 if (check_port_config(nb_ports) < 0) 889 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 890 891 nb_lcores = rte_lcore_count(); 892 893 /* Setup function pointers for lookup method. */ 894 setup_l3fwd_lookup_tables(); 895 896 /* initialize all ports */ 897 for (portid = 0; portid < nb_ports; portid++) { 898 /* skip ports that are not enabled */ 899 if ((enabled_port_mask & (1 << portid)) == 0) { 900 printf("\nSkipping disabled port %d\n", portid); 901 continue; 902 } 903 904 /* init port */ 905 printf("Initializing port %d ... ", portid ); 906 fflush(stdout); 907 908 nb_rx_queue = get_port_n_rx_queues(portid); 909 n_tx_queue = nb_lcores; 910 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 911 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 912 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 913 nb_rx_queue, (unsigned)n_tx_queue ); 914 ret = rte_eth_dev_configure(portid, nb_rx_queue, 915 (uint16_t)n_tx_queue, &port_conf); 916 if (ret < 0) 917 rte_exit(EXIT_FAILURE, 918 "Cannot configure device: err=%d, port=%d\n", 919 ret, portid); 920 921 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 922 print_ethaddr(" Address:", &ports_eth_addr[portid]); 923 printf(", "); 924 print_ethaddr("Destination:", 925 (const struct ether_addr *)&dest_eth_addr[portid]); 926 printf(", "); 927 928 /* 929 * prepare src MACs for each port. 930 */ 931 ether_addr_copy(&ports_eth_addr[portid], 932 (struct ether_addr *)(val_eth + portid) + 1); 933 934 /* init memory */ 935 ret = init_mem(NB_MBUF); 936 if (ret < 0) 937 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 938 939 /* init one TX queue per couple (lcore,port) */ 940 queueid = 0; 941 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 942 if (rte_lcore_is_enabled(lcore_id) == 0) 943 continue; 944 945 if (numa_on) 946 socketid = 947 (uint8_t)rte_lcore_to_socket_id(lcore_id); 948 else 949 socketid = 0; 950 951 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 952 fflush(stdout); 953 954 rte_eth_dev_info_get(portid, &dev_info); 955 txconf = &dev_info.default_txconf; 956 if (port_conf.rxmode.jumbo_frame) 957 txconf->txq_flags = 0; 958 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 959 socketid, txconf); 960 if (ret < 0) 961 rte_exit(EXIT_FAILURE, 962 "rte_eth_tx_queue_setup: err=%d, " 963 "port=%d\n", ret, portid); 964 965 qconf = &lcore_conf[lcore_id]; 966 qconf->tx_queue_id[portid] = queueid; 967 queueid++; 968 969 qconf->tx_port_id[qconf->n_tx_port] = portid; 970 qconf->n_tx_port++; 971 } 972 printf("\n"); 973 } 974 975 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 976 if (rte_lcore_is_enabled(lcore_id) == 0) 977 continue; 978 qconf = &lcore_conf[lcore_id]; 979 printf("\nInitializing rx queues on lcore %u ... ", lcore_id ); 980 fflush(stdout); 981 /* init RX queues */ 982 for(queue = 0; queue < qconf->n_rx_queue; ++queue) { 983 portid = qconf->rx_queue_list[queue].port_id; 984 queueid = qconf->rx_queue_list[queue].queue_id; 985 986 if (numa_on) 987 socketid = 988 (uint8_t)rte_lcore_to_socket_id(lcore_id); 989 else 990 socketid = 0; 991 992 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 993 fflush(stdout); 994 995 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 996 socketid, 997 NULL, 998 pktmbuf_pool[socketid]); 999 if (ret < 0) 1000 rte_exit(EXIT_FAILURE, 1001 "rte_eth_rx_queue_setup: err=%d, port=%d\n", 1002 ret, portid); 1003 } 1004 } 1005 1006 printf("\n"); 1007 1008 /* start ports */ 1009 for (portid = 0; portid < nb_ports; portid++) { 1010 if ((enabled_port_mask & (1 << portid)) == 0) { 1011 continue; 1012 } 1013 /* Start device */ 1014 ret = rte_eth_dev_start(portid); 1015 if (ret < 0) 1016 rte_exit(EXIT_FAILURE, 1017 "rte_eth_dev_start: err=%d, port=%d\n", 1018 ret, portid); 1019 1020 /* 1021 * If enabled, put device in promiscuous mode. 1022 * This allows IO forwarding mode to forward packets 1023 * to itself through 2 cross-connected ports of the 1024 * target machine. 1025 */ 1026 if (promiscuous_on) 1027 rte_eth_promiscuous_enable(portid); 1028 } 1029 1030 printf("\n"); 1031 1032 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1033 if (rte_lcore_is_enabled(lcore_id) == 0) 1034 continue; 1035 qconf = &lcore_conf[lcore_id]; 1036 for (queue = 0; queue < qconf->n_rx_queue; ++queue) { 1037 portid = qconf->rx_queue_list[queue].port_id; 1038 queueid = qconf->rx_queue_list[queue].queue_id; 1039 if (prepare_ptype_parser(portid, queueid) == 0) 1040 rte_exit(EXIT_FAILURE, "ptype check fails\n"); 1041 } 1042 } 1043 1044 1045 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask); 1046 1047 ret = 0; 1048 /* launch per-lcore init on every lcore */ 1049 rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER); 1050 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1051 if (rte_eal_wait_lcore(lcore_id) < 0) { 1052 ret = -1; 1053 break; 1054 } 1055 } 1056 1057 /* stop ports */ 1058 for (portid = 0; portid < nb_ports; portid++) { 1059 if ((enabled_port_mask & (1 << portid)) == 0) 1060 continue; 1061 printf("Closing port %d...", portid); 1062 rte_eth_dev_stop(portid); 1063 rte_eth_dev_close(portid); 1064 printf(" Done\n"); 1065 } 1066 printf("Bye...\n"); 1067 1068 return ret; 1069 } 1070