1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2021 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <stdint.h> 8 #include <inttypes.h> 9 #include <sys/types.h> 10 #include <string.h> 11 #include <sys/queue.h> 12 #include <stdarg.h> 13 #include <errno.h> 14 #include <getopt.h> 15 #include <signal.h> 16 #include <stdbool.h> 17 18 #include <rte_common.h> 19 #include <rte_vect.h> 20 #include <rte_byteorder.h> 21 #include <rte_log.h> 22 #include <rte_malloc.h> 23 #include <rte_memory.h> 24 #include <rte_memcpy.h> 25 #include <rte_eal.h> 26 #include <rte_launch.h> 27 #include <rte_cycles.h> 28 #include <rte_prefetch.h> 29 #include <rte_lcore.h> 30 #include <rte_per_lcore.h> 31 #include <rte_branch_prediction.h> 32 #include <rte_interrupts.h> 33 #include <rte_random.h> 34 #include <rte_debug.h> 35 #include <rte_ether.h> 36 #include <rte_mempool.h> 37 #include <rte_mbuf.h> 38 #include <rte_ip.h> 39 #include <rte_tcp.h> 40 #include <rte_udp.h> 41 #include <rte_string_fns.h> 42 #include <rte_cpuflags.h> 43 44 #include <cmdline_parse.h> 45 #include <cmdline_parse_etheraddr.h> 46 47 #include "l3fwd.h" 48 #include "l3fwd_event.h" 49 #include "l3fwd_route.h" 50 51 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_LCORE 52 #define MAX_RX_QUEUE_PER_PORT 128 53 54 #define MAX_LCORE_PARAMS 1024 55 56 /* Static global variables used within this file. */ 57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 59 60 /**< Ports set in promiscuous mode off by default. */ 61 static int promiscuous_on; 62 63 /* Select Longest-Prefix, Exact match or Forwarding Information Base. */ 64 enum L3FWD_LOOKUP_MODE { 65 L3FWD_LOOKUP_DEFAULT, 66 L3FWD_LOOKUP_LPM, 67 L3FWD_LOOKUP_EM, 68 L3FWD_LOOKUP_FIB 69 }; 70 static enum L3FWD_LOOKUP_MODE lookup_mode; 71 72 /* Global variables. */ 73 74 static int numa_on = 1; /**< NUMA is enabled by default. */ 75 static int parse_ptype; /**< Parse packet type using rx callback, and */ 76 /**< disabled by default */ 77 static int per_port_pool; /**< Use separate buffer pools per port; disabled */ 78 /**< by default */ 79 80 volatile bool force_quit; 81 82 /* ethernet addresses of ports */ 83 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 84 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 85 86 xmm_t val_eth[RTE_MAX_ETHPORTS]; 87 88 /* mask of enabled ports */ 89 uint32_t enabled_port_mask; 90 91 /* Used only in exact match mode. */ 92 int ipv6; /**< ipv6 is false by default. */ 93 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 94 95 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 96 97 struct lcore_params { 98 uint16_t port_id; 99 uint8_t queue_id; 100 uint8_t lcore_id; 101 } __rte_cache_aligned; 102 103 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 104 static struct lcore_params lcore_params_array_default[] = { 105 {0, 0, 2}, 106 {0, 1, 2}, 107 {0, 2, 2}, 108 {1, 0, 2}, 109 {1, 1, 2}, 110 {1, 2, 2}, 111 {2, 0, 2}, 112 {3, 0, 3}, 113 {3, 1, 3}, 114 }; 115 116 static struct lcore_params * lcore_params = lcore_params_array_default; 117 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / 118 sizeof(lcore_params_array_default[0]); 119 120 static struct rte_eth_conf port_conf = { 121 .rxmode = { 122 .mq_mode = RTE_ETH_MQ_RX_RSS, 123 .split_hdr_size = 0, 124 .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM, 125 }, 126 .rx_adv_conf = { 127 .rss_conf = { 128 .rss_key = NULL, 129 .rss_hf = RTE_ETH_RSS_IP, 130 }, 131 }, 132 .txmode = { 133 .mq_mode = RTE_ETH_MQ_TX_NONE, 134 }, 135 }; 136 137 static uint32_t max_pkt_len; 138 139 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS]; 140 static struct rte_mempool *vector_pool[RTE_MAX_ETHPORTS]; 141 static uint8_t lkp_per_socket[NB_SOCKETS]; 142 143 struct l3fwd_lkp_mode { 144 void (*setup)(int); 145 int (*check_ptype)(int); 146 rte_rx_callback_fn cb_parse_ptype; 147 int (*main_loop)(void *); 148 void* (*get_ipv4_lookup_struct)(int); 149 void* (*get_ipv6_lookup_struct)(int); 150 }; 151 152 static struct l3fwd_lkp_mode l3fwd_lkp; 153 154 static struct l3fwd_lkp_mode l3fwd_em_lkp = { 155 .setup = setup_hash, 156 .check_ptype = em_check_ptype, 157 .cb_parse_ptype = em_cb_parse_ptype, 158 .main_loop = em_main_loop, 159 .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct, 160 .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct, 161 }; 162 163 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = { 164 .setup = setup_lpm, 165 .check_ptype = lpm_check_ptype, 166 .cb_parse_ptype = lpm_cb_parse_ptype, 167 .main_loop = lpm_main_loop, 168 .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct, 169 .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct, 170 }; 171 172 static struct l3fwd_lkp_mode l3fwd_fib_lkp = { 173 .setup = setup_fib, 174 .check_ptype = lpm_check_ptype, 175 .cb_parse_ptype = lpm_cb_parse_ptype, 176 .main_loop = fib_main_loop, 177 .get_ipv4_lookup_struct = fib_get_ipv4_l3fwd_lookup_struct, 178 .get_ipv6_lookup_struct = fib_get_ipv6_l3fwd_lookup_struct, 179 }; 180 181 /* 182 * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735). 183 * 198.18.{0-15}.0/24 = Port {0-15} 184 */ 185 const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 186 {RTE_IPV4(198, 18, 0, 0), 24, 0}, 187 {RTE_IPV4(198, 18, 1, 0), 24, 1}, 188 {RTE_IPV4(198, 18, 2, 0), 24, 2}, 189 {RTE_IPV4(198, 18, 3, 0), 24, 3}, 190 {RTE_IPV4(198, 18, 4, 0), 24, 4}, 191 {RTE_IPV4(198, 18, 5, 0), 24, 5}, 192 {RTE_IPV4(198, 18, 6, 0), 24, 6}, 193 {RTE_IPV4(198, 18, 7, 0), 24, 7}, 194 {RTE_IPV4(198, 18, 8, 0), 24, 8}, 195 {RTE_IPV4(198, 18, 9, 0), 24, 9}, 196 {RTE_IPV4(198, 18, 10, 0), 24, 10}, 197 {RTE_IPV4(198, 18, 11, 0), 24, 11}, 198 {RTE_IPV4(198, 18, 12, 0), 24, 12}, 199 {RTE_IPV4(198, 18, 13, 0), 24, 13}, 200 {RTE_IPV4(198, 18, 14, 0), 24, 14}, 201 {RTE_IPV4(198, 18, 15, 0), 24, 15}, 202 }; 203 204 /* 205 * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180). 206 * 2001:200:0:{0-f}::/64 = Port {0-15} 207 */ 208 const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 209 {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0}, 210 {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1}, 211 {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2}, 212 {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3}, 213 {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4}, 214 {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5}, 215 {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6}, 216 {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7}, 217 {{32, 1, 2, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 8}, 218 {{32, 1, 2, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 9}, 219 {{32, 1, 2, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 10}, 220 {{32, 1, 2, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 11}, 221 {{32, 1, 2, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 12}, 222 {{32, 1, 2, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 13}, 223 {{32, 1, 2, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 14}, 224 {{32, 1, 2, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 15}, 225 }; 226 227 /* 228 * Setup lookup methods for forwarding. 229 * Currently exact-match, longest-prefix-match and forwarding information 230 * base are the supported ones. 231 */ 232 static void 233 setup_l3fwd_lookup_tables(void) 234 { 235 /* Setup HASH lookup functions. */ 236 if (lookup_mode == L3FWD_LOOKUP_EM) 237 l3fwd_lkp = l3fwd_em_lkp; 238 /* Setup FIB lookup functions. */ 239 else if (lookup_mode == L3FWD_LOOKUP_FIB) 240 l3fwd_lkp = l3fwd_fib_lkp; 241 /* Setup LPM lookup functions. */ 242 else 243 l3fwd_lkp = l3fwd_lpm_lkp; 244 } 245 246 static int 247 check_lcore_params(void) 248 { 249 uint8_t queue, lcore; 250 uint16_t i; 251 int socketid; 252 253 for (i = 0; i < nb_lcore_params; ++i) { 254 queue = lcore_params[i].queue_id; 255 if (queue >= MAX_RX_QUEUE_PER_PORT) { 256 printf("invalid queue number: %hhu\n", queue); 257 return -1; 258 } 259 lcore = lcore_params[i].lcore_id; 260 if (!rte_lcore_is_enabled(lcore)) { 261 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore); 262 return -1; 263 } 264 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) && 265 (numa_on == 0)) { 266 printf("warning: lcore %hhu is on socket %d with numa off \n", 267 lcore, socketid); 268 } 269 } 270 return 0; 271 } 272 273 static int 274 check_port_config(void) 275 { 276 uint16_t portid; 277 uint16_t i; 278 279 for (i = 0; i < nb_lcore_params; ++i) { 280 portid = lcore_params[i].port_id; 281 if ((enabled_port_mask & (1 << portid)) == 0) { 282 printf("port %u is not enabled in port mask\n", portid); 283 return -1; 284 } 285 if (!rte_eth_dev_is_valid_port(portid)) { 286 printf("port %u is not present on the board\n", portid); 287 return -1; 288 } 289 } 290 return 0; 291 } 292 293 static uint8_t 294 get_port_n_rx_queues(const uint16_t port) 295 { 296 int queue = -1; 297 uint16_t i; 298 299 for (i = 0; i < nb_lcore_params; ++i) { 300 if (lcore_params[i].port_id == port) { 301 if (lcore_params[i].queue_id == queue+1) 302 queue = lcore_params[i].queue_id; 303 else 304 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be" 305 " in sequence and must start with 0\n", 306 lcore_params[i].port_id); 307 } 308 } 309 return (uint8_t)(++queue); 310 } 311 312 static int 313 init_lcore_rx_queues(void) 314 { 315 uint16_t i, nb_rx_queue; 316 uint8_t lcore; 317 318 for (i = 0; i < nb_lcore_params; ++i) { 319 lcore = lcore_params[i].lcore_id; 320 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 321 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 322 printf("error: too many queues (%u) for lcore: %u\n", 323 (unsigned)nb_rx_queue + 1, (unsigned)lcore); 324 return -1; 325 } else { 326 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 327 lcore_params[i].port_id; 328 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 329 lcore_params[i].queue_id; 330 lcore_conf[lcore].n_rx_queue++; 331 } 332 } 333 return 0; 334 } 335 336 /* display usage */ 337 static void 338 print_usage(const char *prgname) 339 { 340 fprintf(stderr, "%s [EAL options] --" 341 " -p PORTMASK" 342 " [-P]" 343 " [--lookup]" 344 " --config (port,queue,lcore)[,(port,queue,lcore)]" 345 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]" 346 " [--max-pkt-len PKTLEN]" 347 " [--no-numa]" 348 " [--hash-entry-num]" 349 " [--ipv6]" 350 " [--parse-ptype]" 351 " [--per-port-pool]" 352 " [--mode]" 353 " [--eventq-sched]" 354 " [--event-vector [--event-vector-size SIZE] [--event-vector-tmo NS]]" 355 " [-E]" 356 " [-L]\n\n" 357 358 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n" 359 " -P : Enable promiscuous mode\n" 360 " --lookup: Select the lookup method\n" 361 " Default: lpm\n" 362 " Accepted: em (Exact Match), lpm (Longest Prefix Match), fib (Forwarding Information Base)\n" 363 " --config (port,queue,lcore): Rx queue configuration\n" 364 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n" 365 " --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n" 366 " --no-numa: Disable numa awareness\n" 367 " --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n" 368 " --ipv6: Set if running ipv6 packets\n" 369 " --parse-ptype: Set to use software to analyze packet type\n" 370 " --per-port-pool: Use separate buffer pool per port\n" 371 " --mode: Packet transfer mode for I/O, poll or eventdev\n" 372 " Default mode = poll\n" 373 " --eventq-sched: Event queue synchronization method\n" 374 " ordered, atomic or parallel.\n" 375 " Default: atomic\n" 376 " Valid only if --mode=eventdev\n" 377 " --event-eth-rxqs: Number of ethernet RX queues per device.\n" 378 " Default: 1\n" 379 " Valid only if --mode=eventdev\n" 380 " --event-vector: Enable event vectorization.\n" 381 " --event-vector-size: Max vector size if event vectorization is enabled.\n" 382 " --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled\n" 383 " -E : Enable exact match, legacy flag please use --lookup=em instead\n" 384 " -L : Enable longest prefix match, legacy flag please use --lookup=lpm instead\n\n", 385 prgname); 386 } 387 388 static int 389 parse_max_pkt_len(const char *pktlen) 390 { 391 char *end = NULL; 392 unsigned long len; 393 394 /* parse decimal string */ 395 len = strtoul(pktlen, &end, 10); 396 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 397 return -1; 398 399 if (len == 0) 400 return -1; 401 402 return len; 403 } 404 405 static int 406 parse_portmask(const char *portmask) 407 { 408 char *end = NULL; 409 unsigned long pm; 410 411 /* parse hexadecimal string */ 412 pm = strtoul(portmask, &end, 16); 413 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 414 return 0; 415 416 return pm; 417 } 418 419 static int 420 parse_hash_entry_number(const char *hash_entry_num) 421 { 422 char *end = NULL; 423 unsigned long hash_en; 424 /* parse hexadecimal string */ 425 hash_en = strtoul(hash_entry_num, &end, 16); 426 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) 427 return -1; 428 429 if (hash_en == 0) 430 return -1; 431 432 return hash_en; 433 } 434 435 static int 436 parse_config(const char *q_arg) 437 { 438 char s[256]; 439 const char *p, *p0 = q_arg; 440 char *end; 441 enum fieldnames { 442 FLD_PORT = 0, 443 FLD_QUEUE, 444 FLD_LCORE, 445 _NUM_FLD 446 }; 447 unsigned long int_fld[_NUM_FLD]; 448 char *str_fld[_NUM_FLD]; 449 int i; 450 unsigned size; 451 452 nb_lcore_params = 0; 453 454 while ((p = strchr(p0,'(')) != NULL) { 455 ++p; 456 if((p0 = strchr(p,')')) == NULL) 457 return -1; 458 459 size = p0 - p; 460 if(size >= sizeof(s)) 461 return -1; 462 463 snprintf(s, sizeof(s), "%.*s", size, p); 464 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 465 return -1; 466 for (i = 0; i < _NUM_FLD; i++){ 467 errno = 0; 468 int_fld[i] = strtoul(str_fld[i], &end, 0); 469 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 470 return -1; 471 } 472 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 473 printf("exceeded max number of lcore params: %hu\n", 474 nb_lcore_params); 475 return -1; 476 } 477 lcore_params_array[nb_lcore_params].port_id = 478 (uint8_t)int_fld[FLD_PORT]; 479 lcore_params_array[nb_lcore_params].queue_id = 480 (uint8_t)int_fld[FLD_QUEUE]; 481 lcore_params_array[nb_lcore_params].lcore_id = 482 (uint8_t)int_fld[FLD_LCORE]; 483 ++nb_lcore_params; 484 } 485 lcore_params = lcore_params_array; 486 return 0; 487 } 488 489 static void 490 parse_eth_dest(const char *optarg) 491 { 492 uint16_t portid; 493 char *port_end; 494 uint8_t c, *dest, peer_addr[6]; 495 496 errno = 0; 497 portid = strtoul(optarg, &port_end, 10); 498 if (errno != 0 || port_end == optarg || *port_end++ != ',') 499 rte_exit(EXIT_FAILURE, 500 "Invalid eth-dest: %s", optarg); 501 if (portid >= RTE_MAX_ETHPORTS) 502 rte_exit(EXIT_FAILURE, 503 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", 504 portid, RTE_MAX_ETHPORTS); 505 506 if (cmdline_parse_etheraddr(NULL, port_end, 507 &peer_addr, sizeof(peer_addr)) < 0) 508 rte_exit(EXIT_FAILURE, 509 "Invalid ethernet address: %s\n", 510 port_end); 511 dest = (uint8_t *)&dest_eth_addr[portid]; 512 for (c = 0; c < 6; c++) 513 dest[c] = peer_addr[c]; 514 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 515 } 516 517 static void 518 parse_mode(const char *optarg) 519 { 520 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 521 522 if (!strcmp(optarg, "poll")) 523 evt_rsrc->enabled = false; 524 else if (!strcmp(optarg, "eventdev")) 525 evt_rsrc->enabled = true; 526 } 527 528 static void 529 parse_eventq_sched(const char *optarg) 530 { 531 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 532 533 if (!strcmp(optarg, "ordered")) 534 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED; 535 if (!strcmp(optarg, "atomic")) 536 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC; 537 if (!strcmp(optarg, "parallel")) 538 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL; 539 } 540 541 static void 542 parse_event_eth_rx_queues(const char *eth_rx_queues) 543 { 544 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 545 char *end = NULL; 546 uint8_t num_eth_rx_queues; 547 548 /* parse decimal string */ 549 num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10); 550 if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0')) 551 return; 552 553 if (num_eth_rx_queues == 0) 554 return; 555 556 evt_rsrc->eth_rx_queues = num_eth_rx_queues; 557 } 558 559 static int 560 parse_lookup(const char *optarg) 561 { 562 if (!strcmp(optarg, "em")) 563 lookup_mode = L3FWD_LOOKUP_EM; 564 else if (!strcmp(optarg, "lpm")) 565 lookup_mode = L3FWD_LOOKUP_LPM; 566 else if (!strcmp(optarg, "fib")) 567 lookup_mode = L3FWD_LOOKUP_FIB; 568 else { 569 fprintf(stderr, "Invalid lookup option! Accepted options: em, lpm, fib\n"); 570 return -1; 571 } 572 return 0; 573 } 574 575 #define MAX_JUMBO_PKT_LEN 9600 576 577 static const char short_options[] = 578 "p:" /* portmask */ 579 "P" /* promiscuous */ 580 "L" /* legacy enable long prefix match */ 581 "E" /* legacy enable exact match */ 582 ; 583 584 #define CMD_LINE_OPT_CONFIG "config" 585 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 586 #define CMD_LINE_OPT_NO_NUMA "no-numa" 587 #define CMD_LINE_OPT_IPV6 "ipv6" 588 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len" 589 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" 590 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 591 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool" 592 #define CMD_LINE_OPT_MODE "mode" 593 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched" 594 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs" 595 #define CMD_LINE_OPT_LOOKUP "lookup" 596 #define CMD_LINE_OPT_ENABLE_VECTOR "event-vector" 597 #define CMD_LINE_OPT_VECTOR_SIZE "event-vector-size" 598 #define CMD_LINE_OPT_VECTOR_TMO_NS "event-vector-tmo" 599 600 enum { 601 /* long options mapped to a short option */ 602 603 /* first long only option value must be >= 256, so that we won't 604 * conflict with short options */ 605 CMD_LINE_OPT_MIN_NUM = 256, 606 CMD_LINE_OPT_CONFIG_NUM, 607 CMD_LINE_OPT_ETH_DEST_NUM, 608 CMD_LINE_OPT_NO_NUMA_NUM, 609 CMD_LINE_OPT_IPV6_NUM, 610 CMD_LINE_OPT_MAX_PKT_LEN_NUM, 611 CMD_LINE_OPT_HASH_ENTRY_NUM_NUM, 612 CMD_LINE_OPT_PARSE_PTYPE_NUM, 613 CMD_LINE_OPT_PARSE_PER_PORT_POOL, 614 CMD_LINE_OPT_MODE_NUM, 615 CMD_LINE_OPT_EVENTQ_SYNC_NUM, 616 CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM, 617 CMD_LINE_OPT_LOOKUP_NUM, 618 CMD_LINE_OPT_ENABLE_VECTOR_NUM, 619 CMD_LINE_OPT_VECTOR_SIZE_NUM, 620 CMD_LINE_OPT_VECTOR_TMO_NS_NUM 621 }; 622 623 static const struct option lgopts[] = { 624 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM}, 625 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM}, 626 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM}, 627 {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM}, 628 {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM}, 629 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM}, 630 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM}, 631 {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL}, 632 {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM}, 633 {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM}, 634 {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0, 635 CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM}, 636 {CMD_LINE_OPT_LOOKUP, 1, 0, CMD_LINE_OPT_LOOKUP_NUM}, 637 {CMD_LINE_OPT_ENABLE_VECTOR, 0, 0, CMD_LINE_OPT_ENABLE_VECTOR_NUM}, 638 {CMD_LINE_OPT_VECTOR_SIZE, 1, 0, CMD_LINE_OPT_VECTOR_SIZE_NUM}, 639 {CMD_LINE_OPT_VECTOR_TMO_NS, 1, 0, CMD_LINE_OPT_VECTOR_TMO_NS_NUM}, 640 {NULL, 0, 0, 0} 641 }; 642 643 /* 644 * This expression is used to calculate the number of mbufs needed 645 * depending on user input, taking into account memory for rx and 646 * tx hardware rings, cache per lcore and mtable per port per lcore. 647 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum 648 * value of 8192 649 */ 650 #define NB_MBUF(nports) RTE_MAX( \ 651 (nports*nb_rx_queue*nb_rxd + \ 652 nports*nb_lcores*MAX_PKT_BURST + \ 653 nports*n_tx_queue*nb_txd + \ 654 nb_lcores*MEMPOOL_CACHE_SIZE), \ 655 (unsigned)8192) 656 657 /* Parse the argument given in the command line of the application */ 658 static int 659 parse_args(int argc, char **argv) 660 { 661 int opt, ret; 662 char **argvopt; 663 int option_index; 664 char *prgname = argv[0]; 665 uint8_t lcore_params = 0; 666 uint8_t eventq_sched = 0; 667 uint8_t eth_rx_q = 0; 668 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 669 670 argvopt = argv; 671 672 /* Error or normal output strings. */ 673 while ((opt = getopt_long(argc, argvopt, short_options, 674 lgopts, &option_index)) != EOF) { 675 676 switch (opt) { 677 /* portmask */ 678 case 'p': 679 enabled_port_mask = parse_portmask(optarg); 680 if (enabled_port_mask == 0) { 681 fprintf(stderr, "Invalid portmask\n"); 682 print_usage(prgname); 683 return -1; 684 } 685 break; 686 687 case 'P': 688 promiscuous_on = 1; 689 break; 690 691 case 'E': 692 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) { 693 fprintf(stderr, "Only one lookup mode is allowed at a time!\n"); 694 return -1; 695 } 696 lookup_mode = L3FWD_LOOKUP_EM; 697 break; 698 699 case 'L': 700 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) { 701 fprintf(stderr, "Only one lookup mode is allowed at a time!\n"); 702 return -1; 703 } 704 lookup_mode = L3FWD_LOOKUP_LPM; 705 break; 706 707 /* long options */ 708 case CMD_LINE_OPT_CONFIG_NUM: 709 ret = parse_config(optarg); 710 if (ret) { 711 fprintf(stderr, "Invalid config\n"); 712 print_usage(prgname); 713 return -1; 714 } 715 lcore_params = 1; 716 break; 717 718 case CMD_LINE_OPT_ETH_DEST_NUM: 719 parse_eth_dest(optarg); 720 break; 721 722 case CMD_LINE_OPT_NO_NUMA_NUM: 723 numa_on = 0; 724 break; 725 726 case CMD_LINE_OPT_IPV6_NUM: 727 ipv6 = 1; 728 break; 729 730 case CMD_LINE_OPT_MAX_PKT_LEN_NUM: 731 max_pkt_len = parse_max_pkt_len(optarg); 732 break; 733 734 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM: 735 ret = parse_hash_entry_number(optarg); 736 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { 737 hash_entry_number = ret; 738 } else { 739 fprintf(stderr, "invalid hash entry number\n"); 740 print_usage(prgname); 741 return -1; 742 } 743 break; 744 745 case CMD_LINE_OPT_PARSE_PTYPE_NUM: 746 printf("soft parse-ptype is enabled\n"); 747 parse_ptype = 1; 748 break; 749 750 case CMD_LINE_OPT_PARSE_PER_PORT_POOL: 751 printf("per port buffer pool is enabled\n"); 752 per_port_pool = 1; 753 break; 754 755 case CMD_LINE_OPT_MODE_NUM: 756 parse_mode(optarg); 757 break; 758 759 case CMD_LINE_OPT_EVENTQ_SYNC_NUM: 760 parse_eventq_sched(optarg); 761 eventq_sched = 1; 762 break; 763 764 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM: 765 parse_event_eth_rx_queues(optarg); 766 eth_rx_q = 1; 767 break; 768 769 case CMD_LINE_OPT_LOOKUP_NUM: 770 if (lookup_mode != L3FWD_LOOKUP_DEFAULT) { 771 fprintf(stderr, "Only one lookup mode is allowed at a time!\n"); 772 return -1; 773 } 774 ret = parse_lookup(optarg); 775 /* 776 * If parse_lookup was passed an invalid lookup type 777 * then return -1. Error log included within 778 * parse_lookup for simplicity. 779 */ 780 if (ret) 781 return -1; 782 break; 783 784 case CMD_LINE_OPT_ENABLE_VECTOR_NUM: 785 printf("event vectorization is enabled\n"); 786 evt_rsrc->vector_enabled = 1; 787 break; 788 case CMD_LINE_OPT_VECTOR_SIZE_NUM: 789 evt_rsrc->vector_size = strtol(optarg, NULL, 10); 790 break; 791 case CMD_LINE_OPT_VECTOR_TMO_NS_NUM: 792 evt_rsrc->vector_tmo_ns = strtoull(optarg, NULL, 10); 793 break; 794 default: 795 print_usage(prgname); 796 return -1; 797 } 798 } 799 800 if (evt_rsrc->enabled && lcore_params) { 801 fprintf(stderr, "lcore config is not valid when event mode is selected\n"); 802 return -1; 803 } 804 805 if (!evt_rsrc->enabled && eth_rx_q) { 806 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n"); 807 return -1; 808 } 809 810 if (!evt_rsrc->enabled && eventq_sched) { 811 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n"); 812 return -1; 813 } 814 815 if (evt_rsrc->vector_enabled && !evt_rsrc->vector_size) { 816 evt_rsrc->vector_size = VECTOR_SIZE_DEFAULT; 817 fprintf(stderr, "vector size set to default (%" PRIu16 ")\n", 818 evt_rsrc->vector_size); 819 } 820 821 if (evt_rsrc->vector_enabled && !evt_rsrc->vector_tmo_ns) { 822 evt_rsrc->vector_tmo_ns = VECTOR_TMO_NS_DEFAULT; 823 fprintf(stderr, 824 "vector timeout set to default (%" PRIu64 " ns)\n", 825 evt_rsrc->vector_tmo_ns); 826 } 827 828 /* 829 * Nothing is selected, pick longest-prefix match 830 * as default match. 831 */ 832 if (lookup_mode == L3FWD_LOOKUP_DEFAULT) { 833 fprintf(stderr, "Neither LPM, EM, or FIB selected, defaulting to LPM\n"); 834 lookup_mode = L3FWD_LOOKUP_LPM; 835 } 836 837 /* 838 * ipv6 and hash flags are valid only for 839 * exact match, reset them to default for 840 * longest-prefix match. 841 */ 842 if (lookup_mode == L3FWD_LOOKUP_LPM) { 843 ipv6 = 0; 844 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 845 } 846 847 if (optind >= 0) 848 argv[optind-1] = prgname; 849 850 ret = optind-1; 851 optind = 1; /* reset getopt lib */ 852 return ret; 853 } 854 855 static void 856 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 857 { 858 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 859 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 860 printf("%s%s", name, buf); 861 } 862 863 int 864 init_mem(uint16_t portid, unsigned int nb_mbuf) 865 { 866 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 867 struct lcore_conf *qconf; 868 int socketid; 869 unsigned lcore_id; 870 char s[64]; 871 872 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 873 if (rte_lcore_is_enabled(lcore_id) == 0) 874 continue; 875 876 if (numa_on) 877 socketid = rte_lcore_to_socket_id(lcore_id); 878 else 879 socketid = 0; 880 881 if (socketid >= NB_SOCKETS) { 882 rte_exit(EXIT_FAILURE, 883 "Socket %d of lcore %u is out of range %d\n", 884 socketid, lcore_id, NB_SOCKETS); 885 } 886 887 if (pktmbuf_pool[portid][socketid] == NULL) { 888 snprintf(s, sizeof(s), "mbuf_pool_%d:%d", 889 portid, socketid); 890 pktmbuf_pool[portid][socketid] = 891 rte_pktmbuf_pool_create(s, nb_mbuf, 892 MEMPOOL_CACHE_SIZE, 0, 893 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 894 if (pktmbuf_pool[portid][socketid] == NULL) 895 rte_exit(EXIT_FAILURE, 896 "Cannot init mbuf pool on socket %d\n", 897 socketid); 898 else 899 printf("Allocated mbuf pool on socket %d\n", 900 socketid); 901 902 /* Setup LPM, EM(f.e Hash) or FIB. But, only once per 903 * available socket. 904 */ 905 if (!lkp_per_socket[socketid]) { 906 l3fwd_lkp.setup(socketid); 907 lkp_per_socket[socketid] = 1; 908 } 909 } 910 911 if (evt_rsrc->vector_enabled && vector_pool[portid] == NULL) { 912 unsigned int nb_vec; 913 914 nb_vec = (nb_mbuf + evt_rsrc->vector_size - 1) / 915 evt_rsrc->vector_size; 916 snprintf(s, sizeof(s), "vector_pool_%d", portid); 917 vector_pool[portid] = rte_event_vector_pool_create( 918 s, nb_vec, 0, evt_rsrc->vector_size, socketid); 919 if (vector_pool[portid] == NULL) 920 rte_exit(EXIT_FAILURE, 921 "Failed to create vector pool for port %d\n", 922 portid); 923 else 924 printf("Allocated vector pool for port %d\n", 925 portid); 926 } 927 928 qconf = &lcore_conf[lcore_id]; 929 qconf->ipv4_lookup_struct = 930 l3fwd_lkp.get_ipv4_lookup_struct(socketid); 931 qconf->ipv6_lookup_struct = 932 l3fwd_lkp.get_ipv6_lookup_struct(socketid); 933 } 934 return 0; 935 } 936 937 /* Check the link status of all ports in up to 9s, and print them finally */ 938 static void 939 check_all_ports_link_status(uint32_t port_mask) 940 { 941 #define CHECK_INTERVAL 100 /* 100ms */ 942 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 943 uint16_t portid; 944 uint8_t count, all_ports_up, print_flag = 0; 945 struct rte_eth_link link; 946 int ret; 947 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 948 949 printf("\nChecking link status"); 950 fflush(stdout); 951 for (count = 0; count <= MAX_CHECK_TIME; count++) { 952 if (force_quit) 953 return; 954 all_ports_up = 1; 955 RTE_ETH_FOREACH_DEV(portid) { 956 if (force_quit) 957 return; 958 if ((port_mask & (1 << portid)) == 0) 959 continue; 960 memset(&link, 0, sizeof(link)); 961 ret = rte_eth_link_get_nowait(portid, &link); 962 if (ret < 0) { 963 all_ports_up = 0; 964 if (print_flag == 1) 965 printf("Port %u link get failed: %s\n", 966 portid, rte_strerror(-ret)); 967 continue; 968 } 969 /* print link status if flag set */ 970 if (print_flag == 1) { 971 rte_eth_link_to_str(link_status_text, 972 sizeof(link_status_text), &link); 973 printf("Port %d %s\n", portid, 974 link_status_text); 975 continue; 976 } 977 /* clear all_ports_up flag if any link down */ 978 if (link.link_status == RTE_ETH_LINK_DOWN) { 979 all_ports_up = 0; 980 break; 981 } 982 } 983 /* after finally printing all link status, get out */ 984 if (print_flag == 1) 985 break; 986 987 if (all_ports_up == 0) { 988 printf("."); 989 fflush(stdout); 990 rte_delay_ms(CHECK_INTERVAL); 991 } 992 993 /* set the print_flag if all ports up or timeout */ 994 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 995 print_flag = 1; 996 printf("done\n"); 997 } 998 } 999 } 1000 1001 static void 1002 signal_handler(int signum) 1003 { 1004 if (signum == SIGINT || signum == SIGTERM) { 1005 printf("\n\nSignal %d received, preparing to exit...\n", 1006 signum); 1007 force_quit = true; 1008 } 1009 } 1010 1011 static int 1012 prepare_ptype_parser(uint16_t portid, uint16_t queueid) 1013 { 1014 if (parse_ptype) { 1015 printf("Port %d: softly parse packet type info\n", portid); 1016 if (rte_eth_add_rx_callback(portid, queueid, 1017 l3fwd_lkp.cb_parse_ptype, 1018 NULL)) 1019 return 1; 1020 1021 printf("Failed to add rx callback: port=%d\n", portid); 1022 return 0; 1023 } 1024 1025 if (l3fwd_lkp.check_ptype(portid)) 1026 return 1; 1027 1028 printf("port %d cannot parse packet type, please add --%s\n", 1029 portid, CMD_LINE_OPT_PARSE_PTYPE); 1030 return 0; 1031 } 1032 1033 static uint32_t 1034 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu) 1035 { 1036 uint32_t overhead_len; 1037 1038 if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu) 1039 overhead_len = max_rx_pktlen - max_mtu; 1040 else 1041 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; 1042 1043 return overhead_len; 1044 } 1045 1046 static int 1047 config_port_max_pkt_len(struct rte_eth_conf *conf, 1048 struct rte_eth_dev_info *dev_info) 1049 { 1050 uint32_t overhead_len; 1051 1052 if (max_pkt_len == 0) 1053 return 0; 1054 1055 if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN) 1056 return -1; 1057 1058 overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen, 1059 dev_info->max_mtu); 1060 conf->rxmode.mtu = max_pkt_len - overhead_len; 1061 1062 if (conf->rxmode.mtu > RTE_ETHER_MTU) 1063 conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS; 1064 1065 return 0; 1066 } 1067 1068 static void 1069 l3fwd_poll_resource_setup(void) 1070 { 1071 uint8_t nb_rx_queue, queue, socketid; 1072 struct rte_eth_dev_info dev_info; 1073 uint32_t n_tx_queue, nb_lcores; 1074 struct rte_eth_txconf *txconf; 1075 struct lcore_conf *qconf; 1076 uint16_t queueid, portid; 1077 unsigned int nb_ports; 1078 unsigned int lcore_id; 1079 int ret; 1080 1081 if (check_lcore_params() < 0) 1082 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 1083 1084 ret = init_lcore_rx_queues(); 1085 if (ret < 0) 1086 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); 1087 1088 nb_ports = rte_eth_dev_count_avail(); 1089 1090 if (check_port_config() < 0) 1091 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 1092 1093 nb_lcores = rte_lcore_count(); 1094 1095 /* initialize all ports */ 1096 RTE_ETH_FOREACH_DEV(portid) { 1097 struct rte_eth_conf local_port_conf = port_conf; 1098 1099 /* skip ports that are not enabled */ 1100 if ((enabled_port_mask & (1 << portid)) == 0) { 1101 printf("\nSkipping disabled port %d\n", portid); 1102 continue; 1103 } 1104 1105 /* init port */ 1106 printf("Initializing port %d ... ", portid ); 1107 fflush(stdout); 1108 1109 nb_rx_queue = get_port_n_rx_queues(portid); 1110 n_tx_queue = nb_lcores; 1111 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 1112 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 1113 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 1114 nb_rx_queue, (unsigned)n_tx_queue ); 1115 1116 ret = rte_eth_dev_info_get(portid, &dev_info); 1117 if (ret != 0) 1118 rte_exit(EXIT_FAILURE, 1119 "Error during getting device (port %u) info: %s\n", 1120 portid, strerror(-ret)); 1121 1122 ret = config_port_max_pkt_len(&local_port_conf, &dev_info); 1123 if (ret != 0) 1124 rte_exit(EXIT_FAILURE, 1125 "Invalid max packet length: %u (port %u)\n", 1126 max_pkt_len, portid); 1127 1128 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE) 1129 local_port_conf.txmode.offloads |= 1130 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE; 1131 1132 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 1133 dev_info.flow_type_rss_offloads; 1134 1135 if (dev_info.max_rx_queues == 1) 1136 local_port_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE; 1137 1138 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 1139 port_conf.rx_adv_conf.rss_conf.rss_hf) { 1140 printf("Port %u modified RSS hash function based on hardware support," 1141 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 1142 portid, 1143 port_conf.rx_adv_conf.rss_conf.rss_hf, 1144 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 1145 } 1146 1147 ret = rte_eth_dev_configure(portid, nb_rx_queue, 1148 (uint16_t)n_tx_queue, &local_port_conf); 1149 if (ret < 0) 1150 rte_exit(EXIT_FAILURE, 1151 "Cannot configure device: err=%d, port=%d\n", 1152 ret, portid); 1153 1154 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 1155 &nb_txd); 1156 if (ret < 0) 1157 rte_exit(EXIT_FAILURE, 1158 "Cannot adjust number of descriptors: err=%d, " 1159 "port=%d\n", ret, portid); 1160 1161 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 1162 if (ret < 0) 1163 rte_exit(EXIT_FAILURE, 1164 "Cannot get MAC address: err=%d, port=%d\n", 1165 ret, portid); 1166 1167 print_ethaddr(" Address:", &ports_eth_addr[portid]); 1168 printf(", "); 1169 print_ethaddr("Destination:", 1170 (const struct rte_ether_addr *)&dest_eth_addr[portid]); 1171 printf(", "); 1172 1173 /* 1174 * prepare src MACs for each port. 1175 */ 1176 rte_ether_addr_copy(&ports_eth_addr[portid], 1177 (struct rte_ether_addr *)(val_eth + portid) + 1); 1178 1179 /* init memory */ 1180 if (!per_port_pool) { 1181 /* portid = 0; this is *not* signifying the first port, 1182 * rather, it signifies that portid is ignored. 1183 */ 1184 ret = init_mem(0, NB_MBUF(nb_ports)); 1185 } else { 1186 ret = init_mem(portid, NB_MBUF(1)); 1187 } 1188 if (ret < 0) 1189 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 1190 1191 /* init one TX queue per couple (lcore,port) */ 1192 queueid = 0; 1193 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1194 if (rte_lcore_is_enabled(lcore_id) == 0) 1195 continue; 1196 1197 if (numa_on) 1198 socketid = 1199 (uint8_t)rte_lcore_to_socket_id(lcore_id); 1200 else 1201 socketid = 0; 1202 1203 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 1204 fflush(stdout); 1205 1206 txconf = &dev_info.default_txconf; 1207 txconf->offloads = local_port_conf.txmode.offloads; 1208 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 1209 socketid, txconf); 1210 if (ret < 0) 1211 rte_exit(EXIT_FAILURE, 1212 "rte_eth_tx_queue_setup: err=%d, " 1213 "port=%d\n", ret, portid); 1214 1215 qconf = &lcore_conf[lcore_id]; 1216 qconf->tx_queue_id[portid] = queueid; 1217 queueid++; 1218 1219 qconf->tx_port_id[qconf->n_tx_port] = portid; 1220 qconf->n_tx_port++; 1221 } 1222 printf("\n"); 1223 } 1224 1225 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1226 if (rte_lcore_is_enabled(lcore_id) == 0) 1227 continue; 1228 qconf = &lcore_conf[lcore_id]; 1229 printf("\nInitializing rx queues on lcore %u ... ", lcore_id ); 1230 fflush(stdout); 1231 /* init RX queues */ 1232 for(queue = 0; queue < qconf->n_rx_queue; ++queue) { 1233 struct rte_eth_rxconf rxq_conf; 1234 1235 portid = qconf->rx_queue_list[queue].port_id; 1236 queueid = qconf->rx_queue_list[queue].queue_id; 1237 1238 if (numa_on) 1239 socketid = 1240 (uint8_t)rte_lcore_to_socket_id(lcore_id); 1241 else 1242 socketid = 0; 1243 1244 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 1245 fflush(stdout); 1246 1247 ret = rte_eth_dev_info_get(portid, &dev_info); 1248 if (ret != 0) 1249 rte_exit(EXIT_FAILURE, 1250 "Error during getting device (port %u) info: %s\n", 1251 portid, strerror(-ret)); 1252 1253 rxq_conf = dev_info.default_rxconf; 1254 rxq_conf.offloads = port_conf.rxmode.offloads; 1255 if (!per_port_pool) 1256 ret = rte_eth_rx_queue_setup(portid, queueid, 1257 nb_rxd, socketid, 1258 &rxq_conf, 1259 pktmbuf_pool[0][socketid]); 1260 else 1261 ret = rte_eth_rx_queue_setup(portid, queueid, 1262 nb_rxd, socketid, 1263 &rxq_conf, 1264 pktmbuf_pool[portid][socketid]); 1265 if (ret < 0) 1266 rte_exit(EXIT_FAILURE, 1267 "rte_eth_rx_queue_setup: err=%d, port=%d\n", 1268 ret, portid); 1269 } 1270 } 1271 } 1272 1273 static inline int 1274 l3fwd_service_enable(uint32_t service_id) 1275 { 1276 uint8_t min_service_count = UINT8_MAX; 1277 uint32_t slcore_array[RTE_MAX_LCORE]; 1278 unsigned int slcore = 0; 1279 uint8_t service_count; 1280 int32_t slcore_count; 1281 1282 if (!rte_service_lcore_count()) 1283 return -ENOENT; 1284 1285 slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE); 1286 if (slcore_count < 0) 1287 return -ENOENT; 1288 /* Get the core which has least number of services running. */ 1289 while (slcore_count--) { 1290 /* Reset default mapping */ 1291 if (rte_service_map_lcore_set(service_id, 1292 slcore_array[slcore_count], 0) != 0) 1293 return -ENOENT; 1294 service_count = rte_service_lcore_count_services( 1295 slcore_array[slcore_count]); 1296 if (service_count < min_service_count) { 1297 slcore = slcore_array[slcore_count]; 1298 min_service_count = service_count; 1299 } 1300 } 1301 if (rte_service_map_lcore_set(service_id, slcore, 1)) 1302 return -ENOENT; 1303 rte_service_lcore_start(slcore); 1304 1305 return 0; 1306 } 1307 1308 static void 1309 l3fwd_event_service_setup(void) 1310 { 1311 struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc(); 1312 struct rte_event_dev_info evdev_info; 1313 uint32_t service_id, caps; 1314 int ret, i; 1315 1316 rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info); 1317 if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) { 1318 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id, 1319 &service_id); 1320 if (ret != -ESRCH && ret != 0) 1321 rte_exit(EXIT_FAILURE, 1322 "Error in starting eventdev service\n"); 1323 l3fwd_service_enable(service_id); 1324 } 1325 1326 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) { 1327 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id, 1328 evt_rsrc->rx_adptr.rx_adptr[i], &caps); 1329 if (ret < 0) 1330 rte_exit(EXIT_FAILURE, 1331 "Failed to get Rx adapter[%d] caps\n", 1332 evt_rsrc->rx_adptr.rx_adptr[i]); 1333 ret = rte_event_eth_rx_adapter_service_id_get( 1334 evt_rsrc->event_d_id, 1335 &service_id); 1336 if (ret != -ESRCH && ret != 0) 1337 rte_exit(EXIT_FAILURE, 1338 "Error in starting Rx adapter[%d] service\n", 1339 evt_rsrc->rx_adptr.rx_adptr[i]); 1340 l3fwd_service_enable(service_id); 1341 } 1342 1343 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) { 1344 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id, 1345 evt_rsrc->tx_adptr.tx_adptr[i], &caps); 1346 if (ret < 0) 1347 rte_exit(EXIT_FAILURE, 1348 "Failed to get Rx adapter[%d] caps\n", 1349 evt_rsrc->tx_adptr.tx_adptr[i]); 1350 ret = rte_event_eth_tx_adapter_service_id_get( 1351 evt_rsrc->event_d_id, 1352 &service_id); 1353 if (ret != -ESRCH && ret != 0) 1354 rte_exit(EXIT_FAILURE, 1355 "Error in starting Rx adapter[%d] service\n", 1356 evt_rsrc->tx_adptr.tx_adptr[i]); 1357 l3fwd_service_enable(service_id); 1358 } 1359 } 1360 1361 int 1362 main(int argc, char **argv) 1363 { 1364 struct l3fwd_event_resources *evt_rsrc; 1365 struct lcore_conf *qconf; 1366 uint16_t queueid, portid; 1367 unsigned int lcore_id; 1368 uint8_t queue; 1369 int i, ret; 1370 1371 /* init EAL */ 1372 ret = rte_eal_init(argc, argv); 1373 if (ret < 0) 1374 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 1375 argc -= ret; 1376 argv += ret; 1377 1378 force_quit = false; 1379 signal(SIGINT, signal_handler); 1380 signal(SIGTERM, signal_handler); 1381 1382 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 1383 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 1384 dest_eth_addr[portid] = 1385 RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40); 1386 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 1387 } 1388 1389 evt_rsrc = l3fwd_get_eventdev_rsrc(); 1390 /* parse application arguments (after the EAL ones) */ 1391 ret = parse_args(argc, argv); 1392 if (ret < 0) 1393 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 1394 1395 /* Setup function pointers for lookup method. */ 1396 setup_l3fwd_lookup_tables(); 1397 1398 evt_rsrc->per_port_pool = per_port_pool; 1399 evt_rsrc->pkt_pool = pktmbuf_pool; 1400 evt_rsrc->vec_pool = vector_pool; 1401 evt_rsrc->port_mask = enabled_port_mask; 1402 /* Configure eventdev parameters if user has requested */ 1403 if (evt_rsrc->enabled) { 1404 l3fwd_event_resource_setup(&port_conf); 1405 if (lookup_mode == L3FWD_LOOKUP_EM) 1406 l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop; 1407 else if (lookup_mode == L3FWD_LOOKUP_FIB) 1408 l3fwd_lkp.main_loop = evt_rsrc->ops.fib_event_loop; 1409 else 1410 l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop; 1411 l3fwd_event_service_setup(); 1412 } else 1413 l3fwd_poll_resource_setup(); 1414 1415 /* start ports */ 1416 RTE_ETH_FOREACH_DEV(portid) { 1417 if ((enabled_port_mask & (1 << portid)) == 0) { 1418 continue; 1419 } 1420 /* Start device */ 1421 ret = rte_eth_dev_start(portid); 1422 if (ret < 0) 1423 rte_exit(EXIT_FAILURE, 1424 "rte_eth_dev_start: err=%d, port=%d\n", 1425 ret, portid); 1426 1427 /* 1428 * If enabled, put device in promiscuous mode. 1429 * This allows IO forwarding mode to forward packets 1430 * to itself through 2 cross-connected ports of the 1431 * target machine. 1432 */ 1433 if (promiscuous_on) { 1434 ret = rte_eth_promiscuous_enable(portid); 1435 if (ret != 0) 1436 rte_exit(EXIT_FAILURE, 1437 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 1438 rte_strerror(-ret), portid); 1439 } 1440 } 1441 1442 printf("\n"); 1443 1444 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1445 if (rte_lcore_is_enabled(lcore_id) == 0) 1446 continue; 1447 qconf = &lcore_conf[lcore_id]; 1448 for (queue = 0; queue < qconf->n_rx_queue; ++queue) { 1449 portid = qconf->rx_queue_list[queue].port_id; 1450 queueid = qconf->rx_queue_list[queue].queue_id; 1451 if (prepare_ptype_parser(portid, queueid) == 0) 1452 rte_exit(EXIT_FAILURE, "ptype check fails\n"); 1453 } 1454 } 1455 1456 check_all_ports_link_status(enabled_port_mask); 1457 1458 ret = 0; 1459 /* launch per-lcore init on every lcore */ 1460 rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MAIN); 1461 if (evt_rsrc->enabled) { 1462 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) 1463 rte_event_eth_rx_adapter_stop( 1464 evt_rsrc->rx_adptr.rx_adptr[i]); 1465 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) 1466 rte_event_eth_tx_adapter_stop( 1467 evt_rsrc->tx_adptr.tx_adptr[i]); 1468 1469 RTE_ETH_FOREACH_DEV(portid) { 1470 if ((enabled_port_mask & (1 << portid)) == 0) 1471 continue; 1472 ret = rte_eth_dev_stop(portid); 1473 if (ret != 0) 1474 printf("rte_eth_dev_stop: err=%d, port=%u\n", 1475 ret, portid); 1476 } 1477 1478 rte_eal_mp_wait_lcore(); 1479 RTE_ETH_FOREACH_DEV(portid) { 1480 if ((enabled_port_mask & (1 << portid)) == 0) 1481 continue; 1482 rte_eth_dev_close(portid); 1483 } 1484 1485 rte_event_dev_stop(evt_rsrc->event_d_id); 1486 rte_event_dev_close(evt_rsrc->event_d_id); 1487 1488 } else { 1489 rte_eal_mp_wait_lcore(); 1490 1491 RTE_ETH_FOREACH_DEV(portid) { 1492 if ((enabled_port_mask & (1 << portid)) == 0) 1493 continue; 1494 printf("Closing port %d...", portid); 1495 ret = rte_eth_dev_stop(portid); 1496 if (ret != 0) 1497 printf("rte_eth_dev_stop: err=%d, port=%u\n", 1498 ret, portid); 1499 rte_eth_dev_close(portid); 1500 printf(" Done\n"); 1501 } 1502 } 1503 1504 /* clean up the EAL */ 1505 rte_eal_cleanup(); 1506 1507 printf("Bye...\n"); 1508 1509 return ret; 1510 } 1511