1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 6 #include <stdio.h> 7 #include <inttypes.h> 8 #include <signal.h> 9 #include <unistd.h> 10 #include <rte_cycles.h> 11 #include <rte_ethdev.h> 12 #include <rte_byteorder.h> 13 #include <rte_malloc.h> 14 #include "packet_burst_generator.h" 15 #include "test.h" 16 17 #define NB_ETHPORTS_USED (1) 18 #define NB_SOCKETS (2) 19 #define MEMPOOL_CACHE_SIZE 250 20 #define MAX_PKT_BURST (32) 21 #define RTE_TEST_RX_DESC_DEFAULT (1024) 22 #define RTE_TEST_TX_DESC_DEFAULT (1024) 23 #define RTE_PORT_ALL (~(uint16_t)0x0) 24 25 /* how long test would take at full line rate */ 26 #define RTE_TEST_DURATION (2) 27 28 /* 29 * RX and TX Prefetch, Host, and Write-back threshold values should be 30 * carefully set for optimal performance. Consult the network 31 * controller's datasheet and supporting DPDK documentation for guidance 32 * on how these parameters should be set. 33 */ 34 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ 35 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ 36 #define RX_WTHRESH 0 /**< Default values of RX write-back threshold reg. */ 37 38 /* 39 * These default values are optimized for use with the Intel(R) 82599 10 GbE 40 * Controller and the DPDK ixgbe PMD. Consider using other values for other 41 * network controllers and/or network drivers. 42 */ 43 #define TX_PTHRESH 32 /**< Default values of TX prefetch threshold reg. */ 44 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ 45 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ 46 47 #define MAX_TRAFFIC_BURST 2048 48 49 #define NB_MBUF RTE_MAX( \ 50 (unsigned)(nb_ports*nb_rx_queue*nb_rxd + \ 51 nb_ports*nb_lcores*MAX_PKT_BURST + \ 52 nb_ports*nb_tx_queue*nb_txd + \ 53 nb_lcores*MEMPOOL_CACHE_SIZE + \ 54 nb_ports*MAX_TRAFFIC_BURST), \ 55 (unsigned)8192) 56 57 58 static struct rte_mempool *mbufpool[NB_SOCKETS]; 59 /* ethernet addresses of ports */ 60 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 61 62 static struct rte_eth_conf port_conf = { 63 .rxmode = { 64 .mq_mode = RTE_ETH_MQ_RX_NONE, 65 .split_hdr_size = 0, 66 }, 67 .txmode = { 68 .mq_mode = RTE_ETH_MQ_TX_NONE, 69 }, 70 .lpbk_mode = 1, /* enable loopback */ 71 }; 72 73 static struct rte_eth_rxconf rx_conf = { 74 .rx_thresh = { 75 .pthresh = RX_PTHRESH, 76 .hthresh = RX_HTHRESH, 77 .wthresh = RX_WTHRESH, 78 }, 79 .rx_free_thresh = 32, 80 }; 81 82 static struct rte_eth_txconf tx_conf = { 83 .tx_thresh = { 84 .pthresh = TX_PTHRESH, 85 .hthresh = TX_HTHRESH, 86 .wthresh = TX_WTHRESH, 87 }, 88 .tx_free_thresh = 32, /* Use PMD default values */ 89 .tx_rs_thresh = 32, /* Use PMD default values */ 90 }; 91 92 enum { 93 LCORE_INVALID = 0, 94 LCORE_AVAIL, 95 LCORE_USED, 96 }; 97 98 struct lcore_conf { 99 uint8_t status; 100 uint8_t socketid; 101 uint16_t nb_ports; 102 uint16_t portlist[RTE_MAX_ETHPORTS]; 103 } __rte_cache_aligned; 104 105 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 106 107 static uint64_t link_mbps; 108 109 enum { 110 SC_CONTINUOUS = 0, 111 SC_BURST_POLL_FIRST, 112 SC_BURST_XMIT_FIRST, 113 }; 114 115 static uint32_t sc_flag; 116 117 /* Check the link status of all ports in up to 3s, and print them finally */ 118 static void 119 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 120 { 121 #define CHECK_INTERVAL 100 /* 100ms */ 122 #define MAX_CHECK_TIME 30 /* 3s (30 * 100ms) in total */ 123 uint16_t portid; 124 uint8_t count, all_ports_up, print_flag = 0; 125 struct rte_eth_link link; 126 int ret; 127 char link_status[RTE_ETH_LINK_MAX_STR_LEN]; 128 129 printf("Checking link statuses...\n"); 130 fflush(stdout); 131 for (count = 0; count <= MAX_CHECK_TIME; count++) { 132 all_ports_up = 1; 133 for (portid = 0; portid < port_num; portid++) { 134 if ((port_mask & (1 << portid)) == 0) 135 continue; 136 memset(&link, 0, sizeof(link)); 137 ret = rte_eth_link_get_nowait(portid, &link); 138 if (ret < 0) { 139 all_ports_up = 0; 140 if (print_flag == 1) 141 printf("Port %u link get failed: %s\n", 142 portid, rte_strerror(-ret)); 143 continue; 144 } 145 146 /* print link status if flag set */ 147 if (print_flag == 1) { 148 if (link.link_status && link_mbps == 0) 149 link_mbps = link.link_speed; 150 151 rte_eth_link_to_str(link_status, 152 sizeof(link_status), &link); 153 printf("Port %d %s\n", portid, link_status); 154 continue; 155 } 156 /* clear all_ports_up flag if any link down */ 157 if (link.link_status == RTE_ETH_LINK_DOWN) { 158 all_ports_up = 0; 159 break; 160 } 161 } 162 /* after finally printing all link status, get out */ 163 if (print_flag == 1) 164 break; 165 166 if (all_ports_up == 0) { 167 fflush(stdout); 168 rte_delay_ms(CHECK_INTERVAL); 169 } 170 171 /* set the print_flag if all ports up or timeout */ 172 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) 173 print_flag = 1; 174 } 175 } 176 177 static void 178 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 179 { 180 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 181 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 182 printf("%s%s", name, buf); 183 } 184 185 static int 186 init_traffic(struct rte_mempool *mp, 187 struct rte_mbuf **pkts_burst, uint32_t burst_size) 188 { 189 struct rte_ether_hdr pkt_eth_hdr; 190 struct rte_ipv4_hdr pkt_ipv4_hdr; 191 struct rte_udp_hdr pkt_udp_hdr; 192 uint32_t pktlen; 193 static uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF }; 194 static uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA }; 195 196 197 initialize_eth_header(&pkt_eth_hdr, 198 (struct rte_ether_addr *)src_mac, 199 (struct rte_ether_addr *)dst_mac, RTE_ETHER_TYPE_IPV4, 0, 0); 200 201 pktlen = initialize_ipv4_header(&pkt_ipv4_hdr, 202 IPV4_ADDR(10, 0, 0, 1), 203 IPV4_ADDR(10, 0, 0, 2), 26); 204 printf("IPv4 pktlen %u\n", pktlen); 205 206 pktlen = initialize_udp_header(&pkt_udp_hdr, 0, 0, 18); 207 208 printf("UDP pktlen %u\n", pktlen); 209 210 return generate_packet_burst(mp, pkts_burst, &pkt_eth_hdr, 211 0, &pkt_ipv4_hdr, 1, 212 &pkt_udp_hdr, burst_size, 213 PACKET_BURST_GEN_PKT_LEN, 1); 214 } 215 216 static int 217 init_lcores(void) 218 { 219 unsigned lcore_id; 220 221 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 222 lcore_conf[lcore_id].socketid = 223 rte_lcore_to_socket_id(lcore_id); 224 if (rte_lcore_is_enabled(lcore_id) == 0) { 225 lcore_conf[lcore_id].status = LCORE_INVALID; 226 continue; 227 } else 228 lcore_conf[lcore_id].status = LCORE_AVAIL; 229 } 230 return 0; 231 } 232 233 static int 234 init_mbufpool(unsigned nb_mbuf) 235 { 236 int socketid; 237 unsigned lcore_id; 238 char s[64]; 239 240 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 241 if (rte_lcore_is_enabled(lcore_id) == 0) 242 continue; 243 244 socketid = rte_lcore_to_socket_id(lcore_id); 245 if (socketid >= NB_SOCKETS) { 246 rte_exit(EXIT_FAILURE, 247 "Socket %d of lcore %u is out of range %d\n", 248 socketid, lcore_id, NB_SOCKETS); 249 } 250 if (mbufpool[socketid] == NULL) { 251 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 252 mbufpool[socketid] = 253 rte_pktmbuf_pool_create(s, nb_mbuf, 254 MEMPOOL_CACHE_SIZE, 0, 255 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 256 if (mbufpool[socketid] == NULL) 257 rte_exit(EXIT_FAILURE, 258 "Cannot init mbuf pool on socket %d\n", 259 socketid); 260 else 261 printf("Allocated mbuf pool on socket %d\n", 262 socketid); 263 } 264 } 265 return 0; 266 } 267 268 static uint16_t 269 alloc_lcore(uint16_t socketid) 270 { 271 unsigned lcore_id; 272 273 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 274 if (LCORE_AVAIL != lcore_conf[lcore_id].status || 275 lcore_conf[lcore_id].socketid != socketid || 276 lcore_id == rte_get_main_lcore()) 277 continue; 278 lcore_conf[lcore_id].status = LCORE_USED; 279 lcore_conf[lcore_id].nb_ports = 0; 280 return lcore_id; 281 } 282 283 return (uint16_t)-1; 284 } 285 286 static volatile uint64_t stop; 287 static uint64_t count; 288 static uint64_t drop; 289 static uint64_t idle; 290 291 static void 292 reset_count(void) 293 { 294 count = 0; 295 drop = 0; 296 idle = 0; 297 } 298 299 #ifndef RTE_EXEC_ENV_WINDOWS 300 static void 301 stats_display(uint16_t port_id) 302 { 303 struct rte_eth_stats stats; 304 rte_eth_stats_get(port_id, &stats); 305 306 printf(" RX-packets: %-10"PRIu64" RX-missed: %-10"PRIu64" RX-bytes: " 307 "%-"PRIu64"\n", 308 stats.ipackets, stats.imissed, stats.ibytes); 309 printf(" RX-errors: %-10"PRIu64" RX-nombuf: %-10"PRIu64"\n", 310 stats.ierrors, stats.rx_nombuf); 311 printf(" TX-packets: %-10"PRIu64" TX-errors: %-10"PRIu64" TX-bytes: " 312 "%-"PRIu64"\n", 313 stats.opackets, stats.oerrors, stats.obytes); 314 } 315 316 static void 317 signal_handler(int signum) 318 { 319 /* USR1 signal, stop testing */ 320 if (signum == SIGUSR1) { 321 printf("Force Stop!\n"); 322 stop = 1; 323 } 324 325 /* USR2 signal, print stats */ 326 if (signum == SIGUSR2) 327 stats_display(0); 328 } 329 #endif 330 331 struct rte_mbuf **tx_burst; 332 333 uint64_t (*do_measure)(struct lcore_conf *conf, 334 struct rte_mbuf *pkts_burst[], 335 uint64_t total_pkts); 336 337 static uint64_t 338 measure_rxtx(struct lcore_conf *conf, 339 struct rte_mbuf *pkts_burst[], 340 uint64_t total_pkts) 341 { 342 unsigned i, portid, nb_rx, nb_tx; 343 uint64_t prev_tsc, cur_tsc; 344 345 prev_tsc = rte_rdtsc(); 346 347 while (likely(!stop)) { 348 for (i = 0; i < conf->nb_ports; i++) { 349 portid = conf->portlist[i]; 350 nb_rx = rte_eth_rx_burst(portid, 0, 351 pkts_burst, MAX_PKT_BURST); 352 if (unlikely(nb_rx == 0)) { 353 idle++; 354 continue; 355 } 356 357 count += nb_rx; 358 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx); 359 if (unlikely(nb_tx < nb_rx)) { 360 drop += (nb_rx - nb_tx); 361 do { 362 rte_pktmbuf_free(pkts_burst[nb_tx]); 363 } while (++nb_tx < nb_rx); 364 } 365 } 366 if (unlikely(count >= total_pkts)) 367 break; 368 } 369 370 cur_tsc = rte_rdtsc(); 371 372 return cur_tsc - prev_tsc; 373 } 374 375 static uint64_t 376 measure_rxonly(struct lcore_conf *conf, 377 struct rte_mbuf *pkts_burst[], 378 uint64_t total_pkts) 379 { 380 unsigned i, portid, nb_rx, nb_tx; 381 uint64_t diff_tsc, cur_tsc; 382 383 diff_tsc = 0; 384 while (likely(!stop)) { 385 for (i = 0; i < conf->nb_ports; i++) { 386 portid = conf->portlist[i]; 387 388 cur_tsc = rte_rdtsc(); 389 nb_rx = rte_eth_rx_burst(portid, 0, 390 pkts_burst, MAX_PKT_BURST); 391 if (unlikely(nb_rx == 0)) { 392 idle++; 393 continue; 394 } 395 diff_tsc += rte_rdtsc() - cur_tsc; 396 397 count += nb_rx; 398 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx); 399 if (unlikely(nb_tx < nb_rx)) { 400 drop += (nb_rx - nb_tx); 401 do { 402 rte_pktmbuf_free(pkts_burst[nb_tx]); 403 } while (++nb_tx < nb_rx); 404 } 405 } 406 if (unlikely(count >= total_pkts)) 407 break; 408 } 409 410 return diff_tsc; 411 } 412 413 static uint64_t 414 measure_txonly(struct lcore_conf *conf, 415 struct rte_mbuf *pkts_burst[], 416 uint64_t total_pkts) 417 { 418 unsigned i, portid, nb_rx, nb_tx; 419 uint64_t diff_tsc, cur_tsc; 420 421 printf("do tx measure\n"); 422 diff_tsc = 0; 423 while (likely(!stop)) { 424 for (i = 0; i < conf->nb_ports; i++) { 425 portid = conf->portlist[i]; 426 nb_rx = rte_eth_rx_burst(portid, 0, 427 pkts_burst, MAX_PKT_BURST); 428 if (unlikely(nb_rx == 0)) { 429 idle++; 430 continue; 431 } 432 433 count += nb_rx; 434 435 cur_tsc = rte_rdtsc(); 436 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx); 437 if (unlikely(nb_tx < nb_rx)) { 438 drop += (nb_rx - nb_tx); 439 do { 440 rte_pktmbuf_free(pkts_burst[nb_tx]); 441 } while (++nb_tx < nb_rx); 442 } 443 diff_tsc += rte_rdtsc() - cur_tsc; 444 } 445 if (unlikely(count >= total_pkts)) 446 break; 447 } 448 449 return diff_tsc; 450 } 451 452 /* main processing loop */ 453 static int 454 main_loop(__rte_unused void *args) 455 { 456 #define PACKET_SIZE 64 457 #define FRAME_GAP 12 458 #define MAC_PREAMBLE 8 459 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 460 unsigned lcore_id; 461 unsigned i, portid, nb_rx = 0, nb_tx = 0; 462 struct lcore_conf *conf; 463 int pkt_per_port; 464 uint64_t diff_tsc; 465 uint64_t packets_per_second, total_packets; 466 467 lcore_id = rte_lcore_id(); 468 conf = &lcore_conf[lcore_id]; 469 if (conf->status != LCORE_USED) 470 return 0; 471 472 pkt_per_port = MAX_TRAFFIC_BURST; 473 474 int idx = 0; 475 for (i = 0; i < conf->nb_ports; i++) { 476 int num = pkt_per_port; 477 portid = conf->portlist[i]; 478 printf("inject %d packet to port %d\n", num, portid); 479 while (num) { 480 nb_tx = RTE_MIN(MAX_PKT_BURST, num); 481 nb_tx = rte_eth_tx_burst(portid, 0, 482 &tx_burst[idx], nb_tx); 483 num -= nb_tx; 484 idx += nb_tx; 485 } 486 } 487 printf("Total packets inject to prime ports = %u\n", idx); 488 489 packets_per_second = (link_mbps * 1000 * 1000) / 490 ((PACKET_SIZE + FRAME_GAP + MAC_PREAMBLE) * CHAR_BIT); 491 printf("Each port will do %"PRIu64" packets per second\n", 492 packets_per_second); 493 494 total_packets = RTE_TEST_DURATION * conf->nb_ports * packets_per_second; 495 printf("Test will stop after at least %"PRIu64" packets received\n", 496 + total_packets); 497 498 diff_tsc = do_measure(conf, pkts_burst, total_packets); 499 500 for (i = 0; i < conf->nb_ports; i++) { 501 portid = conf->portlist[i]; 502 int nb_free = 0; 503 uint64_t timeout = 10000; 504 do { /* dry out */ 505 nb_rx = rte_eth_rx_burst(portid, 0, 506 pkts_burst, MAX_PKT_BURST); 507 nb_tx = 0; 508 while (nb_tx < nb_rx) 509 rte_pktmbuf_free(pkts_burst[nb_tx++]); 510 nb_free += nb_rx; 511 512 if (unlikely(nb_rx == 0)) 513 timeout--; 514 } while (nb_free != pkt_per_port && timeout != 0); 515 printf("free %d (expected %d) mbuf left in port %u\n", nb_free, 516 pkt_per_port, portid); 517 } 518 519 if (count == 0) 520 return -1; 521 522 printf("%"PRIu64" packet, %"PRIu64" drop, %"PRIu64" idle\n", 523 count, drop, idle); 524 printf("Result: %"PRIu64" cycles per packet\n", diff_tsc / count); 525 526 return 0; 527 } 528 529 static uint64_t start; 530 531 static inline int 532 poll_burst(void *args) 533 { 534 #define MAX_IDLE (10000) 535 unsigned lcore_id; 536 struct rte_mbuf **pkts_burst; 537 uint64_t diff_tsc, cur_tsc; 538 uint16_t next[RTE_MAX_ETHPORTS]; 539 struct lcore_conf *conf; 540 uint32_t pkt_per_port = *((uint32_t *)args); 541 unsigned i, portid, nb_rx = 0; 542 uint64_t total; 543 uint64_t timeout = MAX_IDLE; 544 int num[RTE_MAX_ETHPORTS]; 545 546 lcore_id = rte_lcore_id(); 547 conf = &lcore_conf[lcore_id]; 548 if (conf->status != LCORE_USED) 549 return 0; 550 551 total = pkt_per_port * conf->nb_ports; 552 printf("start to receive total expect %"PRIu64"\n", total); 553 554 pkts_burst = (struct rte_mbuf **) 555 rte_calloc_socket("poll_burst", 556 total, sizeof(void *), 557 RTE_CACHE_LINE_SIZE, conf->socketid); 558 if (!pkts_burst) 559 return -1; 560 561 for (i = 0; i < conf->nb_ports; i++) { 562 portid = conf->portlist[i]; 563 next[portid] = i * pkt_per_port; 564 num[portid] = pkt_per_port; 565 } 566 567 rte_wait_until_equal_64(&start, 1, __ATOMIC_ACQUIRE); 568 569 cur_tsc = rte_rdtsc(); 570 while (total) { 571 for (i = 0; i < conf->nb_ports; i++) { 572 portid = conf->portlist[i]; 573 nb_rx = rte_eth_rx_burst(portid, 0, 574 &pkts_burst[next[portid]], 575 RTE_MIN(MAX_PKT_BURST, num[portid])); 576 if (unlikely(nb_rx == 0)) { 577 timeout--; 578 if (unlikely(timeout == 0)) 579 goto timeout; 580 continue; 581 } 582 next[portid] += nb_rx; 583 num[portid] -= nb_rx; 584 total -= nb_rx; 585 } 586 } 587 timeout: 588 diff_tsc = rte_rdtsc() - cur_tsc; 589 590 printf("%"PRIu64" packets lost, IDLE %"PRIu64" times\n", 591 total, MAX_IDLE - timeout); 592 /* clean up */ 593 total = pkt_per_port * conf->nb_ports - total; 594 for (i = 0; i < total; i++) 595 rte_pktmbuf_free(pkts_burst[i]); 596 597 rte_free(pkts_burst); 598 599 if (total > 0) 600 return diff_tsc / total; 601 else 602 return -1; 603 } 604 605 static int 606 exec_burst(uint32_t flags, int lcore) 607 { 608 unsigned int portid, nb_tx = 0; 609 struct lcore_conf *conf; 610 uint32_t pkt_per_port; 611 int num, i, idx = 0; 612 int diff_tsc; 613 614 conf = &lcore_conf[lcore]; 615 616 pkt_per_port = MAX_TRAFFIC_BURST; 617 num = pkt_per_port * conf->nb_ports; 618 619 /* only when polling first */ 620 if (flags == SC_BURST_POLL_FIRST) 621 __atomic_store_n(&start, 1, __ATOMIC_RELAXED); 622 else 623 __atomic_store_n(&start, 0, __ATOMIC_RELAXED); 624 625 /* start polling thread 626 * if in POLL_FIRST mode, poll once launched; 627 * otherwise, not actually poll yet 628 */ 629 rte_eal_remote_launch(poll_burst, 630 (void *)&pkt_per_port, lcore); 631 632 /* start xmit */ 633 i = 0; 634 while (num) { 635 nb_tx = RTE_MIN(MAX_PKT_BURST, num); 636 portid = conf->portlist[i]; 637 nb_tx = rte_eth_tx_burst(portid, 0, &tx_burst[idx], nb_tx); 638 idx += nb_tx; 639 num -= nb_tx; 640 i = (i >= conf->nb_ports - 1) ? 0 : (i + 1); 641 } 642 643 rte_delay_us(5 * US_PER_S); 644 645 /* only when polling second */ 646 if (flags == SC_BURST_XMIT_FIRST) 647 __atomic_store_n(&start, 1, __ATOMIC_RELEASE); 648 649 /* wait for polling finished */ 650 diff_tsc = rte_eal_wait_lcore(lcore); 651 if (diff_tsc < 0) { 652 printf("exec_burst: Failed to measure cycles per packet\n"); 653 return -1; 654 } 655 656 printf("Result: %d cycles per packet\n", diff_tsc); 657 658 return 0; 659 } 660 661 static int 662 test_pmd_perf(void) 663 { 664 uint16_t nb_ports, num, nb_lcores, worker_id = (uint16_t)-1; 665 uint16_t nb_rxd = MAX_TRAFFIC_BURST; 666 uint16_t nb_txd = MAX_TRAFFIC_BURST; 667 uint16_t portid; 668 uint16_t nb_rx_queue = 1, nb_tx_queue = 1; 669 int socketid = -1; 670 int ret; 671 672 printf("Start PMD RXTX cycles cost test.\n"); 673 674 #ifndef RTE_EXEC_ENV_WINDOWS 675 signal(SIGUSR1, signal_handler); 676 signal(SIGUSR2, signal_handler); 677 #endif 678 679 nb_ports = rte_eth_dev_count_avail(); 680 if (nb_ports < NB_ETHPORTS_USED) { 681 printf("At least %u port(s) used for perf. test\n", 682 NB_ETHPORTS_USED); 683 return -1; 684 } 685 686 nb_lcores = rte_lcore_count(); 687 688 memset(lcore_conf, 0, sizeof(lcore_conf)); 689 init_lcores(); 690 691 init_mbufpool(NB_MBUF); 692 693 if (sc_flag == SC_CONTINUOUS) { 694 nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 695 nb_txd = RTE_TEST_TX_DESC_DEFAULT; 696 } 697 printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd); 698 699 reset_count(); 700 num = 0; 701 RTE_ETH_FOREACH_DEV(portid) { 702 if (socketid == -1) { 703 socketid = rte_eth_dev_socket_id(portid); 704 worker_id = alloc_lcore(socketid); 705 if (worker_id == (uint16_t)-1) { 706 printf("No avail lcore to run test\n"); 707 return -1; 708 } 709 printf("Performance test runs on lcore %u socket %u\n", 710 worker_id, socketid); 711 } 712 713 if (socketid != rte_eth_dev_socket_id(portid)) { 714 printf("Skip port %d\n", portid); 715 continue; 716 } 717 718 /* port configure */ 719 ret = rte_eth_dev_configure(portid, nb_rx_queue, 720 nb_tx_queue, &port_conf); 721 if (ret < 0) 722 rte_exit(EXIT_FAILURE, 723 "Cannot configure device: err=%d, port=%d\n", 724 ret, portid); 725 726 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 727 if (ret < 0) 728 rte_exit(EXIT_FAILURE, 729 "Cannot get mac address: err=%d, port=%d\n", 730 ret, portid); 731 732 printf("Port %u ", portid); 733 print_ethaddr("Address:", &ports_eth_addr[portid]); 734 printf("\n"); 735 736 /* tx queue setup */ 737 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 738 socketid, &tx_conf); 739 if (ret < 0) 740 rte_exit(EXIT_FAILURE, 741 "rte_eth_tx_queue_setup: err=%d, " 742 "port=%d\n", ret, portid); 743 744 /* rx queue steup */ 745 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 746 socketid, &rx_conf, 747 mbufpool[socketid]); 748 if (ret < 0) 749 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d," 750 "port=%d\n", ret, portid); 751 752 /* Start device */ 753 stop = 0; 754 ret = rte_eth_dev_start(portid); 755 if (ret < 0) 756 rte_exit(EXIT_FAILURE, 757 "rte_eth_dev_start: err=%d, port=%d\n", 758 ret, portid); 759 760 /* always enable promiscuous */ 761 ret = rte_eth_promiscuous_enable(portid); 762 if (ret != 0) 763 rte_exit(EXIT_FAILURE, 764 "rte_eth_promiscuous_enable: err=%s, port=%d\n", 765 rte_strerror(-ret), portid); 766 767 lcore_conf[worker_id].portlist[num++] = portid; 768 lcore_conf[worker_id].nb_ports++; 769 } 770 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 771 772 if (tx_burst == NULL) { 773 tx_burst = (struct rte_mbuf **) 774 rte_calloc_socket("tx_buff", 775 MAX_TRAFFIC_BURST * nb_ports, 776 sizeof(void *), 777 RTE_CACHE_LINE_SIZE, socketid); 778 if (!tx_burst) 779 return -1; 780 } 781 782 init_traffic(mbufpool[socketid], 783 tx_burst, MAX_TRAFFIC_BURST * nb_ports); 784 785 printf("Generate %d packets @socket %d\n", 786 MAX_TRAFFIC_BURST * nb_ports, socketid); 787 788 if (sc_flag == SC_CONTINUOUS) { 789 /* do both rxtx by default */ 790 if (NULL == do_measure) 791 do_measure = measure_rxtx; 792 793 rte_eal_remote_launch(main_loop, NULL, worker_id); 794 795 if (rte_eal_wait_lcore(worker_id) < 0) 796 return -1; 797 } else if (sc_flag == SC_BURST_POLL_FIRST || 798 sc_flag == SC_BURST_XMIT_FIRST) 799 if (exec_burst(sc_flag, worker_id) < 0) 800 return -1; 801 802 /* port tear down */ 803 RTE_ETH_FOREACH_DEV(portid) { 804 if (socketid != rte_eth_dev_socket_id(portid)) 805 continue; 806 807 ret = rte_eth_dev_stop(portid); 808 if (ret != 0) 809 printf("rte_eth_dev_stop: err=%s, port=%u\n", 810 rte_strerror(-ret), portid); 811 } 812 813 return 0; 814 } 815 816 int 817 test_set_rxtx_conf(cmdline_fixed_string_t mode) 818 { 819 printf("mode switch to %s\n", mode); 820 821 if (!strcmp(mode, "vector")) { 822 /* vector rx, tx */ 823 tx_conf.tx_rs_thresh = 32; 824 tx_conf.tx_free_thresh = 32; 825 return 0; 826 } else if (!strcmp(mode, "scalar")) { 827 /* bulk alloc rx, full-featured tx */ 828 tx_conf.tx_rs_thresh = 32; 829 tx_conf.tx_free_thresh = 32; 830 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 831 return 0; 832 } else if (!strcmp(mode, "hybrid")) { 833 /* bulk alloc rx, vector tx 834 * when vec macro not define, 835 * using the same rx/tx as scalar 836 */ 837 tx_conf.tx_rs_thresh = 32; 838 tx_conf.tx_free_thresh = 32; 839 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 840 return 0; 841 } else if (!strcmp(mode, "full")) { 842 /* full feature rx,tx pair */ 843 tx_conf.tx_rs_thresh = 32; 844 tx_conf.tx_free_thresh = 32; 845 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_SCATTER; 846 return 0; 847 } 848 849 return -1; 850 } 851 852 int 853 test_set_rxtx_anchor(cmdline_fixed_string_t type) 854 { 855 printf("type switch to %s\n", type); 856 857 if (!strcmp(type, "rxtx")) { 858 do_measure = measure_rxtx; 859 return 0; 860 } else if (!strcmp(type, "rxonly")) { 861 do_measure = measure_rxonly; 862 return 0; 863 } else if (!strcmp(type, "txonly")) { 864 do_measure = measure_txonly; 865 return 0; 866 } 867 868 return -1; 869 } 870 871 int 872 test_set_rxtx_sc(cmdline_fixed_string_t type) 873 { 874 printf("stream control switch to %s\n", type); 875 876 if (!strcmp(type, "continuous")) { 877 sc_flag = SC_CONTINUOUS; 878 return 0; 879 } else if (!strcmp(type, "poll_before_xmit")) { 880 sc_flag = SC_BURST_POLL_FIRST; 881 return 0; 882 } else if (!strcmp(type, "poll_after_xmit")) { 883 sc_flag = SC_BURST_XMIT_FIRST; 884 return 0; 885 } 886 887 return -1; 888 } 889 890 REGISTER_TEST_COMMAND(pmd_perf_autotest, test_pmd_perf); 891