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_atomic.h> 14 #include <rte_malloc.h> 15 #include "packet_burst_generator.h" 16 #include "test.h" 17 18 #define NB_ETHPORTS_USED (1) 19 #define NB_SOCKETS (2) 20 #define MEMPOOL_CACHE_SIZE 250 21 #define MAX_PKT_BURST (32) 22 #define RTE_TEST_RX_DESC_DEFAULT (1024) 23 #define RTE_TEST_TX_DESC_DEFAULT (1024) 24 #define RTE_PORT_ALL (~(uint16_t)0x0) 25 26 /* how long test would take at full line rate */ 27 #define RTE_TEST_DURATION (2) 28 29 /* 30 * RX and TX Prefetch, Host, and Write-back threshold values should be 31 * carefully set for optimal performance. Consult the network 32 * controller's datasheet and supporting DPDK documentation for guidance 33 * on how these parameters should be set. 34 */ 35 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ 36 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ 37 #define RX_WTHRESH 0 /**< Default values of RX write-back threshold reg. */ 38 39 /* 40 * These default values are optimized for use with the Intel(R) 82599 10 GbE 41 * Controller and the DPDK ixgbe PMD. Consider using other values for other 42 * network controllers and/or network drivers. 43 */ 44 #define TX_PTHRESH 32 /**< Default values of TX prefetch threshold reg. */ 45 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ 46 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ 47 48 #define MAX_TRAFFIC_BURST 2048 49 50 #define NB_MBUF RTE_MAX( \ 51 (unsigned)(nb_ports*nb_rx_queue*nb_rxd + \ 52 nb_ports*nb_lcores*MAX_PKT_BURST + \ 53 nb_ports*nb_tx_queue*nb_txd + \ 54 nb_lcores*MEMPOOL_CACHE_SIZE + \ 55 nb_ports*MAX_TRAFFIC_BURST), \ 56 (unsigned)8192) 57 58 59 static struct rte_mempool *mbufpool[NB_SOCKETS]; 60 /* ethernet addresses of ports */ 61 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 62 63 static struct rte_eth_conf port_conf = { 64 .rxmode = { 65 .mq_mode = ETH_MQ_RX_NONE, 66 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 67 .split_hdr_size = 0, 68 }, 69 .txmode = { 70 .mq_mode = ETH_MQ_TX_NONE, 71 }, 72 .lpbk_mode = 1, /* enable loopback */ 73 }; 74 75 static struct rte_eth_rxconf rx_conf = { 76 .rx_thresh = { 77 .pthresh = RX_PTHRESH, 78 .hthresh = RX_HTHRESH, 79 .wthresh = RX_WTHRESH, 80 }, 81 .rx_free_thresh = 32, 82 }; 83 84 static struct rte_eth_txconf tx_conf = { 85 .tx_thresh = { 86 .pthresh = TX_PTHRESH, 87 .hthresh = TX_HTHRESH, 88 .wthresh = TX_WTHRESH, 89 }, 90 .tx_free_thresh = 32, /* Use PMD default values */ 91 .tx_rs_thresh = 32, /* Use PMD default values */ 92 }; 93 94 enum { 95 LCORE_INVALID = 0, 96 LCORE_AVAIL, 97 LCORE_USED, 98 }; 99 100 struct lcore_conf { 101 uint8_t status; 102 uint8_t socketid; 103 uint16_t nb_ports; 104 uint16_t portlist[RTE_MAX_ETHPORTS]; 105 } __rte_cache_aligned; 106 107 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 108 109 static uint64_t link_mbps; 110 111 enum { 112 SC_CONTINUOUS = 0, 113 SC_BURST_POLL_FIRST, 114 SC_BURST_XMIT_FIRST, 115 }; 116 117 static uint32_t sc_flag; 118 119 /* Check the link status of all ports in up to 3s, and print them finally */ 120 static void 121 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 122 { 123 #define CHECK_INTERVAL 100 /* 100ms */ 124 #define MAX_CHECK_TIME 30 /* 3s (30 * 100ms) in total */ 125 uint16_t portid; 126 uint8_t count, all_ports_up, print_flag = 0; 127 struct rte_eth_link link; 128 int ret; 129 char link_status[RTE_ETH_LINK_MAX_STR_LEN]; 130 131 printf("Checking link statuses...\n"); 132 fflush(stdout); 133 for (count = 0; count <= MAX_CHECK_TIME; count++) { 134 all_ports_up = 1; 135 for (portid = 0; portid < port_num; portid++) { 136 if ((port_mask & (1 << portid)) == 0) 137 continue; 138 memset(&link, 0, sizeof(link)); 139 ret = rte_eth_link_get_nowait(portid, &link); 140 if (ret < 0) { 141 all_ports_up = 0; 142 if (print_flag == 1) 143 printf("Port %u link get failed: %s\n", 144 portid, rte_strerror(-ret)); 145 continue; 146 } 147 148 /* print link status if flag set */ 149 if (print_flag == 1) { 150 if (link.link_status && link_mbps == 0) 151 link_mbps = link.link_speed; 152 153 rte_eth_link_to_str(link_status, 154 sizeof(link_status), &link); 155 printf("Port %d %s\n", portid, link_status); 156 continue; 157 } 158 /* clear all_ports_up flag if any link down */ 159 if (link.link_status == ETH_LINK_DOWN) { 160 all_ports_up = 0; 161 break; 162 } 163 } 164 /* after finally printing all link status, get out */ 165 if (print_flag == 1) 166 break; 167 168 if (all_ports_up == 0) { 169 fflush(stdout); 170 rte_delay_ms(CHECK_INTERVAL); 171 } 172 173 /* set the print_flag if all ports up or timeout */ 174 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) 175 print_flag = 1; 176 } 177 } 178 179 static void 180 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 181 { 182 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 183 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 184 printf("%s%s", name, buf); 185 } 186 187 static int 188 init_traffic(struct rte_mempool *mp, 189 struct rte_mbuf **pkts_burst, uint32_t burst_size) 190 { 191 struct rte_ether_hdr pkt_eth_hdr; 192 struct rte_ipv4_hdr pkt_ipv4_hdr; 193 struct rte_udp_hdr pkt_udp_hdr; 194 uint32_t pktlen; 195 static uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF }; 196 static uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA }; 197 198 199 initialize_eth_header(&pkt_eth_hdr, 200 (struct rte_ether_addr *)src_mac, 201 (struct rte_ether_addr *)dst_mac, RTE_ETHER_TYPE_IPV4, 0, 0); 202 203 pktlen = initialize_ipv4_header(&pkt_ipv4_hdr, 204 IPV4_ADDR(10, 0, 0, 1), 205 IPV4_ADDR(10, 0, 0, 2), 26); 206 printf("IPv4 pktlen %u\n", pktlen); 207 208 pktlen = initialize_udp_header(&pkt_udp_hdr, 0, 0, 18); 209 210 printf("UDP pktlen %u\n", pktlen); 211 212 return generate_packet_burst(mp, pkts_burst, &pkt_eth_hdr, 213 0, &pkt_ipv4_hdr, 1, 214 &pkt_udp_hdr, burst_size, 215 PACKET_BURST_GEN_PKT_LEN, 1); 216 } 217 218 static int 219 init_lcores(void) 220 { 221 unsigned lcore_id; 222 223 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 224 lcore_conf[lcore_id].socketid = 225 rte_lcore_to_socket_id(lcore_id); 226 if (rte_lcore_is_enabled(lcore_id) == 0) { 227 lcore_conf[lcore_id].status = LCORE_INVALID; 228 continue; 229 } else 230 lcore_conf[lcore_id].status = LCORE_AVAIL; 231 } 232 return 0; 233 } 234 235 static int 236 init_mbufpool(unsigned nb_mbuf) 237 { 238 int socketid; 239 unsigned lcore_id; 240 char s[64]; 241 242 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 243 if (rte_lcore_is_enabled(lcore_id) == 0) 244 continue; 245 246 socketid = rte_lcore_to_socket_id(lcore_id); 247 if (socketid >= NB_SOCKETS) { 248 rte_exit(EXIT_FAILURE, 249 "Socket %d of lcore %u is out of range %d\n", 250 socketid, lcore_id, NB_SOCKETS); 251 } 252 if (mbufpool[socketid] == NULL) { 253 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 254 mbufpool[socketid] = 255 rte_pktmbuf_pool_create(s, nb_mbuf, 256 MEMPOOL_CACHE_SIZE, 0, 257 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 258 if (mbufpool[socketid] == NULL) 259 rte_exit(EXIT_FAILURE, 260 "Cannot init mbuf pool on socket %d\n", 261 socketid); 262 else 263 printf("Allocated mbuf pool on socket %d\n", 264 socketid); 265 } 266 } 267 return 0; 268 } 269 270 static uint16_t 271 alloc_lcore(uint16_t socketid) 272 { 273 unsigned lcore_id; 274 275 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 276 if (LCORE_AVAIL != lcore_conf[lcore_id].status || 277 lcore_conf[lcore_id].socketid != socketid || 278 lcore_id == rte_get_main_lcore()) 279 continue; 280 lcore_conf[lcore_id].status = LCORE_USED; 281 lcore_conf[lcore_id].nb_ports = 0; 282 return lcore_id; 283 } 284 285 return (uint16_t)-1; 286 } 287 288 static volatile uint64_t stop; 289 static uint64_t count; 290 static uint64_t drop; 291 static uint64_t idle; 292 293 static void 294 reset_count(void) 295 { 296 count = 0; 297 drop = 0; 298 idle = 0; 299 } 300 301 static void 302 stats_display(uint16_t port_id) 303 { 304 struct rte_eth_stats stats; 305 rte_eth_stats_get(port_id, &stats); 306 307 printf(" RX-packets: %-10"PRIu64" RX-missed: %-10"PRIu64" RX-bytes: " 308 "%-"PRIu64"\n", 309 stats.ipackets, stats.imissed, stats.ibytes); 310 printf(" RX-errors: %-10"PRIu64" RX-nombuf: %-10"PRIu64"\n", 311 stats.ierrors, stats.rx_nombuf); 312 printf(" TX-packets: %-10"PRIu64" TX-errors: %-10"PRIu64" TX-bytes: " 313 "%-"PRIu64"\n", 314 stats.opackets, stats.oerrors, stats.obytes); 315 } 316 317 static void 318 signal_handler(int signum) 319 { 320 /* USR1 signal, stop testing */ 321 if (signum == SIGUSR1) { 322 printf("Force Stop!\n"); 323 stop = 1; 324 } 325 326 /* USR2 signal, print stats */ 327 if (signum == SIGUSR2) 328 stats_display(0); 329 } 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 rte_atomic64_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 while (!rte_atomic64_read(&start)) 568 ; 569 570 cur_tsc = rte_rdtsc(); 571 while (total) { 572 for (i = 0; i < conf->nb_ports; i++) { 573 portid = conf->portlist[i]; 574 nb_rx = rte_eth_rx_burst(portid, 0, 575 &pkts_burst[next[portid]], 576 RTE_MIN(MAX_PKT_BURST, num[portid])); 577 if (unlikely(nb_rx == 0)) { 578 timeout--; 579 if (unlikely(timeout == 0)) 580 goto timeout; 581 continue; 582 } 583 next[portid] += nb_rx; 584 num[portid] -= nb_rx; 585 total -= nb_rx; 586 } 587 } 588 timeout: 589 diff_tsc = rte_rdtsc() - cur_tsc; 590 591 printf("%"PRIu64" packets lost, IDLE %"PRIu64" times\n", 592 total, MAX_IDLE - timeout); 593 /* clean up */ 594 total = pkt_per_port * conf->nb_ports - total; 595 for (i = 0; i < total; i++) 596 rte_pktmbuf_free(pkts_burst[i]); 597 598 rte_free(pkts_burst); 599 600 if (total > 0) 601 return diff_tsc / total; 602 else 603 return -1; 604 } 605 606 static int 607 exec_burst(uint32_t flags, int lcore) 608 { 609 unsigned int portid, nb_tx = 0; 610 struct lcore_conf *conf; 611 uint32_t pkt_per_port; 612 int num, i, idx = 0; 613 int diff_tsc; 614 615 conf = &lcore_conf[lcore]; 616 617 pkt_per_port = MAX_TRAFFIC_BURST; 618 num = pkt_per_port * conf->nb_ports; 619 620 rte_atomic64_init(&start); 621 622 /* start polling thread, but not actually poll yet */ 623 rte_eal_remote_launch(poll_burst, 624 (void *)&pkt_per_port, lcore); 625 626 /* Only when polling first */ 627 if (flags == SC_BURST_POLL_FIRST) 628 rte_atomic64_set(&start, 1); 629 630 /* start xmit */ 631 i = 0; 632 while (num) { 633 nb_tx = RTE_MIN(MAX_PKT_BURST, num); 634 portid = conf->portlist[i]; 635 nb_tx = rte_eth_tx_burst(portid, 0, &tx_burst[idx], nb_tx); 636 idx += nb_tx; 637 num -= nb_tx; 638 i = (i >= conf->nb_ports - 1) ? 0 : (i + 1); 639 } 640 641 sleep(5); 642 643 /* only when polling second */ 644 if (flags == SC_BURST_XMIT_FIRST) 645 rte_atomic64_set(&start, 1); 646 647 /* wait for polling finished */ 648 diff_tsc = rte_eal_wait_lcore(lcore); 649 if (diff_tsc < 0) { 650 printf("exec_burst: Failed to measure cycles per packet\n"); 651 return -1; 652 } 653 654 printf("Result: %d cycles per packet\n", diff_tsc); 655 656 return 0; 657 } 658 659 static int 660 test_pmd_perf(void) 661 { 662 uint16_t nb_ports, num, nb_lcores, worker_id = (uint16_t)-1; 663 uint16_t nb_rxd = MAX_TRAFFIC_BURST; 664 uint16_t nb_txd = MAX_TRAFFIC_BURST; 665 uint16_t portid; 666 uint16_t nb_rx_queue = 1, nb_tx_queue = 1; 667 int socketid = -1; 668 int ret; 669 670 printf("Start PMD RXTX cycles cost test.\n"); 671 672 signal(SIGUSR1, signal_handler); 673 signal(SIGUSR2, signal_handler); 674 675 nb_ports = rte_eth_dev_count_avail(); 676 if (nb_ports < NB_ETHPORTS_USED) { 677 printf("At least %u port(s) used for perf. test\n", 678 NB_ETHPORTS_USED); 679 return -1; 680 } 681 682 nb_lcores = rte_lcore_count(); 683 684 memset(lcore_conf, 0, sizeof(lcore_conf)); 685 init_lcores(); 686 687 init_mbufpool(NB_MBUF); 688 689 if (sc_flag == SC_CONTINUOUS) { 690 nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 691 nb_txd = RTE_TEST_TX_DESC_DEFAULT; 692 } 693 printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd); 694 695 reset_count(); 696 num = 0; 697 RTE_ETH_FOREACH_DEV(portid) { 698 if (socketid == -1) { 699 socketid = rte_eth_dev_socket_id(portid); 700 worker_id = alloc_lcore(socketid); 701 if (worker_id == (uint16_t)-1) { 702 printf("No avail lcore to run test\n"); 703 return -1; 704 } 705 printf("Performance test runs on lcore %u socket %u\n", 706 worker_id, socketid); 707 } 708 709 if (socketid != rte_eth_dev_socket_id(portid)) { 710 printf("Skip port %d\n", portid); 711 continue; 712 } 713 714 /* port configure */ 715 ret = rte_eth_dev_configure(portid, nb_rx_queue, 716 nb_tx_queue, &port_conf); 717 if (ret < 0) 718 rte_exit(EXIT_FAILURE, 719 "Cannot configure device: err=%d, port=%d\n", 720 ret, portid); 721 722 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 723 if (ret < 0) 724 rte_exit(EXIT_FAILURE, 725 "Cannot get mac address: err=%d, port=%d\n", 726 ret, portid); 727 728 printf("Port %u ", portid); 729 print_ethaddr("Address:", &ports_eth_addr[portid]); 730 printf("\n"); 731 732 /* tx queue setup */ 733 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 734 socketid, &tx_conf); 735 if (ret < 0) 736 rte_exit(EXIT_FAILURE, 737 "rte_eth_tx_queue_setup: err=%d, " 738 "port=%d\n", ret, portid); 739 740 /* rx queue steup */ 741 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 742 socketid, &rx_conf, 743 mbufpool[socketid]); 744 if (ret < 0) 745 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d," 746 "port=%d\n", ret, portid); 747 748 /* Start device */ 749 stop = 0; 750 ret = rte_eth_dev_start(portid); 751 if (ret < 0) 752 rte_exit(EXIT_FAILURE, 753 "rte_eth_dev_start: err=%d, port=%d\n", 754 ret, portid); 755 756 /* always eanble promiscuous */ 757 ret = rte_eth_promiscuous_enable(portid); 758 if (ret != 0) 759 rte_exit(EXIT_FAILURE, 760 "rte_eth_promiscuous_enable: err=%s, port=%d\n", 761 rte_strerror(-ret), portid); 762 763 lcore_conf[worker_id].portlist[num++] = portid; 764 lcore_conf[worker_id].nb_ports++; 765 } 766 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 767 768 if (tx_burst == NULL) { 769 tx_burst = (struct rte_mbuf **) 770 rte_calloc_socket("tx_buff", 771 MAX_TRAFFIC_BURST * nb_ports, 772 sizeof(void *), 773 RTE_CACHE_LINE_SIZE, socketid); 774 if (!tx_burst) 775 return -1; 776 } 777 778 init_traffic(mbufpool[socketid], 779 tx_burst, MAX_TRAFFIC_BURST * nb_ports); 780 781 printf("Generate %d packets @socket %d\n", 782 MAX_TRAFFIC_BURST * nb_ports, socketid); 783 784 if (sc_flag == SC_CONTINUOUS) { 785 /* do both rxtx by default */ 786 if (NULL == do_measure) 787 do_measure = measure_rxtx; 788 789 rte_eal_remote_launch(main_loop, NULL, worker_id); 790 791 if (rte_eal_wait_lcore(worker_id) < 0) 792 return -1; 793 } else if (sc_flag == SC_BURST_POLL_FIRST || 794 sc_flag == SC_BURST_XMIT_FIRST) 795 if (exec_burst(sc_flag, worker_id) < 0) 796 return -1; 797 798 /* port tear down */ 799 RTE_ETH_FOREACH_DEV(portid) { 800 if (socketid != rte_eth_dev_socket_id(portid)) 801 continue; 802 803 ret = rte_eth_dev_stop(portid); 804 if (ret != 0) 805 printf("rte_eth_dev_stop: err=%s, port=%u\n", 806 rte_strerror(-ret), portid); 807 } 808 809 return 0; 810 } 811 812 int 813 test_set_rxtx_conf(cmdline_fixed_string_t mode) 814 { 815 printf("mode switch to %s\n", mode); 816 817 if (!strcmp(mode, "vector")) { 818 /* vector rx, tx */ 819 tx_conf.tx_rs_thresh = 32; 820 tx_conf.tx_free_thresh = 32; 821 return 0; 822 } else if (!strcmp(mode, "scalar")) { 823 /* bulk alloc rx, full-featured tx */ 824 tx_conf.tx_rs_thresh = 32; 825 tx_conf.tx_free_thresh = 32; 826 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CHECKSUM; 827 return 0; 828 } else if (!strcmp(mode, "hybrid")) { 829 /* bulk alloc rx, vector tx 830 * when vec macro not define, 831 * using the same rx/tx as scalar 832 */ 833 tx_conf.tx_rs_thresh = 32; 834 tx_conf.tx_free_thresh = 32; 835 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_CHECKSUM; 836 return 0; 837 } else if (!strcmp(mode, "full")) { 838 /* full feature rx,tx pair */ 839 tx_conf.tx_rs_thresh = 32; 840 tx_conf.tx_free_thresh = 32; 841 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER; 842 return 0; 843 } 844 845 return -1; 846 } 847 848 int 849 test_set_rxtx_anchor(cmdline_fixed_string_t type) 850 { 851 printf("type switch to %s\n", type); 852 853 if (!strcmp(type, "rxtx")) { 854 do_measure = measure_rxtx; 855 return 0; 856 } else if (!strcmp(type, "rxonly")) { 857 do_measure = measure_rxonly; 858 return 0; 859 } else if (!strcmp(type, "txonly")) { 860 do_measure = measure_txonly; 861 return 0; 862 } 863 864 return -1; 865 } 866 867 int 868 test_set_rxtx_sc(cmdline_fixed_string_t type) 869 { 870 printf("stream control switch to %s\n", type); 871 872 if (!strcmp(type, "continuous")) { 873 sc_flag = SC_CONTINUOUS; 874 return 0; 875 } else if (!strcmp(type, "poll_before_xmit")) { 876 sc_flag = SC_BURST_POLL_FIRST; 877 return 0; 878 } else if (!strcmp(type, "poll_after_xmit")) { 879 sc_flag = SC_BURST_XMIT_FIRST; 880 return 0; 881 } 882 883 return -1; 884 } 885 886 REGISTER_TEST_COMMAND(pmd_perf_autotest, test_pmd_perf); 887