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 RX_DESC_DEFAULT (1024) 22 #define 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 }, 66 .txmode = { 67 .mq_mode = RTE_ETH_MQ_TX_NONE, 68 }, 69 .lpbk_mode = 1, /* enable loopback */ 70 }; 71 72 static struct rte_eth_rxconf rx_conf = { 73 .rx_thresh = { 74 .pthresh = RX_PTHRESH, 75 .hthresh = RX_HTHRESH, 76 .wthresh = RX_WTHRESH, 77 }, 78 .rx_free_thresh = 32, 79 }; 80 81 static struct rte_eth_txconf tx_conf = { 82 .tx_thresh = { 83 .pthresh = TX_PTHRESH, 84 .hthresh = TX_HTHRESH, 85 .wthresh = TX_WTHRESH, 86 }, 87 .tx_free_thresh = 32, /* Use PMD default values */ 88 .tx_rs_thresh = 32, /* Use PMD default values */ 89 }; 90 91 enum { 92 LCORE_INVALID = 0, 93 LCORE_AVAIL, 94 LCORE_USED, 95 }; 96 97 struct lcore_conf { 98 uint8_t status; 99 uint8_t socketid; 100 uint16_t nb_ports; 101 uint16_t portlist[RTE_MAX_ETHPORTS]; 102 } __rte_cache_aligned; 103 104 struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 105 106 static uint64_t link_mbps; 107 108 enum { 109 SC_CONTINUOUS = 0, 110 SC_BURST_POLL_FIRST, 111 SC_BURST_XMIT_FIRST, 112 }; 113 114 static uint32_t sc_flag; 115 116 /* Check the link status of all ports in up to 3s, and print them finally */ 117 static void 118 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 119 { 120 #define CHECK_INTERVAL 100 /* 100ms */ 121 #define MAX_CHECK_TIME 30 /* 3s (30 * 100ms) in total */ 122 uint16_t portid; 123 uint8_t count, all_ports_up, print_flag = 0; 124 struct rte_eth_link link; 125 int ret; 126 char link_status[RTE_ETH_LINK_MAX_STR_LEN]; 127 128 printf("Checking link statuses...\n"); 129 fflush(stdout); 130 for (count = 0; count <= MAX_CHECK_TIME; count++) { 131 all_ports_up = 1; 132 for (portid = 0; portid < port_num; portid++) { 133 if ((port_mask & (1 << portid)) == 0) 134 continue; 135 memset(&link, 0, sizeof(link)); 136 ret = rte_eth_link_get_nowait(portid, &link); 137 if (ret < 0) { 138 all_ports_up = 0; 139 if (print_flag == 1) 140 printf("Port %u link get failed: %s\n", 141 portid, rte_strerror(-ret)); 142 continue; 143 } 144 145 /* print link status if flag set */ 146 if (print_flag == 1) { 147 if (link.link_status && link_mbps == 0) 148 link_mbps = link.link_speed; 149 150 rte_eth_link_to_str(link_status, 151 sizeof(link_status), &link); 152 printf("Port %d %s\n", portid, link_status); 153 continue; 154 } 155 /* clear all_ports_up flag if any link down */ 156 if (link.link_status == RTE_ETH_LINK_DOWN) { 157 all_ports_up = 0; 158 break; 159 } 160 } 161 /* after finally printing all link status, get out */ 162 if (print_flag == 1) 163 break; 164 165 if (all_ports_up == 0) { 166 fflush(stdout); 167 rte_delay_ms(CHECK_INTERVAL); 168 } 169 170 /* set the print_flag if all ports up or timeout */ 171 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) 172 print_flag = 1; 173 } 174 } 175 176 static void 177 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 178 { 179 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 180 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 181 printf("%s%s", name, buf); 182 } 183 184 static int 185 init_traffic(struct rte_mempool *mp, 186 struct rte_mbuf **pkts_burst, uint32_t burst_size) 187 { 188 struct rte_ether_hdr pkt_eth_hdr; 189 struct rte_ipv4_hdr pkt_ipv4_hdr; 190 struct rte_udp_hdr pkt_udp_hdr; 191 uint32_t pktlen; 192 static uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF }; 193 static uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA }; 194 195 196 initialize_eth_header(&pkt_eth_hdr, 197 (struct rte_ether_addr *)src_mac, 198 (struct rte_ether_addr *)dst_mac, RTE_ETHER_TYPE_IPV4, 0, 0); 199 200 pktlen = initialize_ipv4_header(&pkt_ipv4_hdr, 201 IPV4_ADDR(10, 0, 0, 1), 202 IPV4_ADDR(10, 0, 0, 2), 26); 203 printf("IPv4 pktlen %u\n", pktlen); 204 205 pktlen = initialize_udp_header(&pkt_udp_hdr, 0, 0, 18); 206 207 printf("UDP pktlen %u\n", pktlen); 208 209 return generate_packet_burst(mp, pkts_burst, &pkt_eth_hdr, 210 0, &pkt_ipv4_hdr, 1, 211 &pkt_udp_hdr, burst_size, 212 PACKET_BURST_GEN_PKT_LEN, 1); 213 } 214 215 static int 216 init_lcores(void) 217 { 218 unsigned lcore_id; 219 220 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 221 lcore_conf[lcore_id].socketid = 222 rte_lcore_to_socket_id(lcore_id); 223 if (rte_lcore_is_enabled(lcore_id) == 0) { 224 lcore_conf[lcore_id].status = LCORE_INVALID; 225 continue; 226 } else 227 lcore_conf[lcore_id].status = LCORE_AVAIL; 228 } 229 return 0; 230 } 231 232 static int 233 init_mbufpool(unsigned nb_mbuf) 234 { 235 int socketid; 236 unsigned lcore_id; 237 char s[64]; 238 239 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 240 if (rte_lcore_is_enabled(lcore_id) == 0) 241 continue; 242 243 socketid = rte_lcore_to_socket_id(lcore_id); 244 if (socketid >= NB_SOCKETS) { 245 rte_exit(EXIT_FAILURE, 246 "Socket %d of lcore %u is out of range %d\n", 247 socketid, lcore_id, NB_SOCKETS); 248 } 249 if (mbufpool[socketid] == NULL) { 250 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 251 mbufpool[socketid] = 252 rte_pktmbuf_pool_create(s, nb_mbuf, 253 MEMPOOL_CACHE_SIZE, 0, 254 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 255 if (mbufpool[socketid] == NULL) 256 rte_exit(EXIT_FAILURE, 257 "Cannot init mbuf pool on socket %d\n", 258 socketid); 259 else 260 printf("Allocated mbuf pool on socket %d\n", 261 socketid); 262 } 263 } 264 return 0; 265 } 266 267 static uint16_t 268 alloc_lcore(int socketid) 269 { 270 unsigned lcore_id; 271 272 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 273 if (LCORE_AVAIL != lcore_conf[lcore_id].status || 274 (socketid != SOCKET_ID_ANY && 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 #define MAX_RETRY_COUNT 5 460 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 461 unsigned lcore_id; 462 unsigned i, portid, nb_rx = 0, nb_tx = 0; 463 struct lcore_conf *conf; 464 int pkt_per_port; 465 uint64_t diff_tsc; 466 uint64_t packets_per_second, total_packets; 467 int retry_cnt = 0; 468 int free_pkt = 0; 469 470 lcore_id = rte_lcore_id(); 471 conf = &lcore_conf[lcore_id]; 472 if (conf->status != LCORE_USED) 473 return 0; 474 475 pkt_per_port = MAX_TRAFFIC_BURST; 476 477 int idx = 0; 478 for (i = 0; i < conf->nb_ports; i++) { 479 int num = pkt_per_port; 480 portid = conf->portlist[i]; 481 printf("inject %d packet to port %d\n", num, portid); 482 while (num) { 483 nb_tx = RTE_MIN(MAX_PKT_BURST, num); 484 nb_tx = rte_eth_tx_burst(portid, 0, 485 &tx_burst[idx], nb_tx); 486 if (nb_tx == 0) 487 retry_cnt++; 488 num -= nb_tx; 489 idx += nb_tx; 490 if (retry_cnt == MAX_RETRY_COUNT) { 491 retry_cnt = 0; 492 break; 493 } 494 } 495 } 496 for (free_pkt = idx; free_pkt < (MAX_TRAFFIC_BURST * conf->nb_ports); 497 free_pkt++) 498 rte_pktmbuf_free(tx_burst[free_pkt]); 499 printf("Total packets inject to prime ports = %u\n", idx); 500 501 packets_per_second = (link_mbps * 1000 * 1000) / 502 ((PACKET_SIZE + FRAME_GAP + MAC_PREAMBLE) * CHAR_BIT); 503 printf("Each port will do %"PRIu64" packets per second\n", 504 packets_per_second); 505 506 total_packets = RTE_TEST_DURATION * conf->nb_ports * packets_per_second; 507 printf("Test will stop after at least %"PRIu64" packets received\n", 508 + total_packets); 509 510 diff_tsc = do_measure(conf, pkts_burst, total_packets); 511 512 for (i = 0; i < conf->nb_ports; i++) { 513 portid = conf->portlist[i]; 514 int nb_free = 0; 515 uint64_t timeout = 10000; 516 do { /* dry out */ 517 nb_rx = rte_eth_rx_burst(portid, 0, 518 pkts_burst, MAX_PKT_BURST); 519 nb_tx = 0; 520 while (nb_tx < nb_rx) 521 rte_pktmbuf_free(pkts_burst[nb_tx++]); 522 nb_free += nb_rx; 523 524 if (unlikely(nb_rx == 0)) 525 timeout--; 526 } while (nb_free != pkt_per_port && timeout != 0); 527 printf("free %d (expected %d) mbuf left in port %u\n", nb_free, 528 pkt_per_port, portid); 529 } 530 531 if (count == 0) 532 return -1; 533 534 printf("%"PRIu64" packet, %"PRIu64" drop, %"PRIu64" idle\n", 535 count, drop, idle); 536 printf("Result: %"PRIu64" cycles per packet\n", diff_tsc / count); 537 538 return 0; 539 } 540 541 static uint64_t start; 542 543 static inline int 544 poll_burst(void *args) 545 { 546 #define MAX_IDLE (10000) 547 unsigned lcore_id; 548 struct rte_mbuf **pkts_burst; 549 uint64_t diff_tsc, cur_tsc; 550 uint16_t next[RTE_MAX_ETHPORTS]; 551 struct lcore_conf *conf; 552 uint32_t pkt_per_port = *((uint32_t *)args); 553 unsigned i, portid, nb_rx = 0; 554 uint64_t total; 555 uint64_t timeout = MAX_IDLE; 556 int num[RTE_MAX_ETHPORTS]; 557 558 lcore_id = rte_lcore_id(); 559 conf = &lcore_conf[lcore_id]; 560 if (conf->status != LCORE_USED) 561 return 0; 562 563 total = pkt_per_port * conf->nb_ports; 564 printf("start to receive total expect %"PRIu64"\n", total); 565 566 pkts_burst = (struct rte_mbuf **) 567 rte_calloc_socket("poll_burst", 568 total, sizeof(void *), 569 RTE_CACHE_LINE_SIZE, conf->socketid); 570 if (!pkts_burst) 571 return -1; 572 573 for (i = 0; i < conf->nb_ports; i++) { 574 portid = conf->portlist[i]; 575 next[portid] = i * pkt_per_port; 576 num[portid] = pkt_per_port; 577 } 578 579 rte_wait_until_equal_64(&start, 1, __ATOMIC_ACQUIRE); 580 581 cur_tsc = rte_rdtsc(); 582 while (total) { 583 for (i = 0; i < conf->nb_ports; i++) { 584 portid = conf->portlist[i]; 585 nb_rx = rte_eth_rx_burst(portid, 0, 586 &pkts_burst[next[portid]], 587 RTE_MIN(MAX_PKT_BURST, num[portid])); 588 if (unlikely(nb_rx == 0)) { 589 timeout--; 590 if (unlikely(timeout == 0)) 591 goto timeout; 592 continue; 593 } 594 next[portid] += nb_rx; 595 num[portid] -= nb_rx; 596 total -= nb_rx; 597 } 598 } 599 timeout: 600 diff_tsc = rte_rdtsc() - cur_tsc; 601 602 printf("%"PRIu64" packets lost, IDLE %"PRIu64" times\n", 603 total, MAX_IDLE - timeout); 604 /* clean up */ 605 total = pkt_per_port * conf->nb_ports - total; 606 for (i = 0; i < total; i++) 607 rte_pktmbuf_free(pkts_burst[i]); 608 609 rte_free(pkts_burst); 610 611 if (total > 0) 612 return diff_tsc / total; 613 else 614 return -1; 615 } 616 617 static int 618 exec_burst(uint32_t flags, int lcore) 619 { 620 unsigned int portid, nb_tx = 0; 621 struct lcore_conf *conf; 622 uint32_t pkt_per_port; 623 int num, i, idx = 0; 624 int diff_tsc; 625 626 conf = &lcore_conf[lcore]; 627 628 pkt_per_port = MAX_TRAFFIC_BURST; 629 num = pkt_per_port * conf->nb_ports; 630 631 /* only when polling first */ 632 if (flags == SC_BURST_POLL_FIRST) 633 __atomic_store_n(&start, 1, __ATOMIC_RELAXED); 634 else 635 __atomic_store_n(&start, 0, __ATOMIC_RELAXED); 636 637 /* start polling thread 638 * if in POLL_FIRST mode, poll once launched; 639 * otherwise, not actually poll yet 640 */ 641 rte_eal_remote_launch(poll_burst, 642 (void *)&pkt_per_port, lcore); 643 644 /* start xmit */ 645 i = 0; 646 while (num) { 647 nb_tx = RTE_MIN(MAX_PKT_BURST, num); 648 portid = conf->portlist[i]; 649 nb_tx = rte_eth_tx_burst(portid, 0, &tx_burst[idx], nb_tx); 650 idx += nb_tx; 651 num -= nb_tx; 652 i = (i >= conf->nb_ports - 1) ? 0 : (i + 1); 653 } 654 655 rte_delay_us(5 * US_PER_S); 656 657 /* only when polling second */ 658 if (flags == SC_BURST_XMIT_FIRST) 659 __atomic_store_n(&start, 1, __ATOMIC_RELEASE); 660 661 /* wait for polling finished */ 662 diff_tsc = rte_eal_wait_lcore(lcore); 663 if (diff_tsc < 0) { 664 printf("exec_burst: Failed to measure cycles per packet\n"); 665 return -1; 666 } 667 668 printf("Result: %d cycles per packet\n", diff_tsc); 669 670 return 0; 671 } 672 673 static int 674 test_pmd_perf(void) 675 { 676 uint16_t nb_ports, num, nb_lcores, worker_id = (uint16_t)-1; 677 uint16_t nb_rxd = MAX_TRAFFIC_BURST; 678 uint16_t nb_txd = MAX_TRAFFIC_BURST; 679 uint16_t portid; 680 uint16_t nb_rx_queue = 1, nb_tx_queue = 1; 681 int socketid = -1; 682 int ret; 683 684 printf("Start PMD RXTX cycles cost test.\n"); 685 686 #ifndef RTE_EXEC_ENV_WINDOWS 687 signal(SIGUSR1, signal_handler); 688 signal(SIGUSR2, signal_handler); 689 #endif 690 691 nb_ports = rte_eth_dev_count_avail(); 692 if (nb_ports < NB_ETHPORTS_USED) { 693 printf("At least %u port(s) used for perf. test\n", 694 NB_ETHPORTS_USED); 695 return -1; 696 } 697 698 nb_lcores = rte_lcore_count(); 699 700 memset(lcore_conf, 0, sizeof(lcore_conf)); 701 init_lcores(); 702 703 init_mbufpool(NB_MBUF); 704 705 if (sc_flag == SC_CONTINUOUS) { 706 nb_rxd = RX_DESC_DEFAULT; 707 nb_txd = TX_DESC_DEFAULT; 708 } 709 printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd); 710 711 reset_count(); 712 num = 0; 713 RTE_ETH_FOREACH_DEV(portid) { 714 if (socketid == -1) { 715 worker_id = alloc_lcore(rte_eth_dev_socket_id(portid)); 716 if (worker_id == (uint16_t)-1) { 717 printf("No avail lcore to run test\n"); 718 return -1; 719 } 720 socketid = rte_lcore_to_socket_id(worker_id); 721 printf("Performance test runs on lcore %u socket %u\n", 722 worker_id, socketid); 723 } 724 725 if (socketid != rte_eth_dev_socket_id(portid) && 726 rte_eth_dev_socket_id(portid) != SOCKET_ID_ANY) { 727 printf("Skip port %d\n", portid); 728 continue; 729 } 730 731 /* port configure */ 732 ret = rte_eth_dev_configure(portid, nb_rx_queue, 733 nb_tx_queue, &port_conf); 734 if (ret < 0) 735 rte_exit(EXIT_FAILURE, 736 "Cannot configure device: err=%d, port=%d\n", 737 ret, portid); 738 739 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 740 if (ret < 0) 741 rte_exit(EXIT_FAILURE, 742 "Cannot get mac address: err=%d, port=%d\n", 743 ret, portid); 744 745 printf("Port %u ", portid); 746 print_ethaddr("Address:", &ports_eth_addr[portid]); 747 printf("\n"); 748 749 /* tx queue setup */ 750 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 751 socketid, &tx_conf); 752 if (ret < 0) 753 rte_exit(EXIT_FAILURE, 754 "rte_eth_tx_queue_setup: err=%d, " 755 "port=%d\n", ret, portid); 756 757 /* rx queue steup */ 758 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 759 socketid, &rx_conf, 760 mbufpool[socketid]); 761 if (ret < 0) 762 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d," 763 "port=%d\n", ret, portid); 764 765 /* Start device */ 766 stop = 0; 767 ret = rte_eth_dev_start(portid); 768 if (ret < 0) 769 rte_exit(EXIT_FAILURE, 770 "rte_eth_dev_start: err=%d, port=%d\n", 771 ret, portid); 772 773 /* always enable promiscuous */ 774 ret = rte_eth_promiscuous_enable(portid); 775 if (ret != 0) 776 rte_exit(EXIT_FAILURE, 777 "rte_eth_promiscuous_enable: err=%s, port=%d\n", 778 rte_strerror(-ret), portid); 779 780 lcore_conf[worker_id].portlist[num++] = portid; 781 lcore_conf[worker_id].nb_ports++; 782 } 783 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 784 785 if (tx_burst == NULL) { 786 tx_burst = (struct rte_mbuf **) 787 rte_calloc_socket("tx_buff", 788 MAX_TRAFFIC_BURST * nb_ports, 789 sizeof(void *), 790 RTE_CACHE_LINE_SIZE, socketid); 791 if (!tx_burst) 792 return -1; 793 } 794 795 init_traffic(mbufpool[socketid], 796 tx_burst, MAX_TRAFFIC_BURST * nb_ports); 797 798 printf("Generate %d packets @socket %d\n", 799 MAX_TRAFFIC_BURST * nb_ports, socketid); 800 801 if (sc_flag == SC_CONTINUOUS) { 802 /* do both rxtx by default */ 803 if (NULL == do_measure) 804 do_measure = measure_rxtx; 805 806 rte_eal_remote_launch(main_loop, NULL, worker_id); 807 808 if (rte_eal_wait_lcore(worker_id) < 0) 809 return -1; 810 } else if (sc_flag == SC_BURST_POLL_FIRST || 811 sc_flag == SC_BURST_XMIT_FIRST) 812 if (exec_burst(sc_flag, worker_id) < 0) 813 return -1; 814 815 /* port tear down */ 816 RTE_ETH_FOREACH_DEV(portid) { 817 if (socketid != rte_eth_dev_socket_id(portid)) 818 continue; 819 820 ret = rte_eth_dev_stop(portid); 821 if (ret != 0) 822 printf("rte_eth_dev_stop: err=%s, port=%u\n", 823 rte_strerror(-ret), portid); 824 } 825 826 return 0; 827 } 828 829 int 830 test_set_rxtx_conf(cmdline_fixed_string_t mode) 831 { 832 printf("mode switch to %s\n", mode); 833 834 if (!strcmp(mode, "vector")) { 835 /* vector rx, tx */ 836 tx_conf.tx_rs_thresh = 32; 837 tx_conf.tx_free_thresh = 32; 838 return 0; 839 } else if (!strcmp(mode, "scalar")) { 840 /* bulk alloc rx, full-featured tx */ 841 tx_conf.tx_rs_thresh = 32; 842 tx_conf.tx_free_thresh = 32; 843 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 844 return 0; 845 } else if (!strcmp(mode, "hybrid")) { 846 /* bulk alloc rx, vector tx 847 * when vec macro not define, 848 * using the same rx/tx as scalar 849 */ 850 tx_conf.tx_rs_thresh = 32; 851 tx_conf.tx_free_thresh = 32; 852 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 853 return 0; 854 } else if (!strcmp(mode, "full")) { 855 /* full feature rx,tx pair */ 856 tx_conf.tx_rs_thresh = 32; 857 tx_conf.tx_free_thresh = 32; 858 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_SCATTER; 859 return 0; 860 } 861 862 return -1; 863 } 864 865 int 866 test_set_rxtx_anchor(cmdline_fixed_string_t type) 867 { 868 printf("type switch to %s\n", type); 869 870 if (!strcmp(type, "rxtx")) { 871 do_measure = measure_rxtx; 872 return 0; 873 } else if (!strcmp(type, "rxonly")) { 874 do_measure = measure_rxonly; 875 return 0; 876 } else if (!strcmp(type, "txonly")) { 877 do_measure = measure_txonly; 878 return 0; 879 } 880 881 return -1; 882 } 883 884 int 885 test_set_rxtx_sc(cmdline_fixed_string_t type) 886 { 887 printf("stream control switch to %s\n", type); 888 889 if (!strcmp(type, "continuous")) { 890 sc_flag = SC_CONTINUOUS; 891 return 0; 892 } else if (!strcmp(type, "poll_before_xmit")) { 893 sc_flag = SC_BURST_POLL_FIRST; 894 return 0; 895 } else if (!strcmp(type, "poll_after_xmit")) { 896 sc_flag = SC_BURST_XMIT_FIRST; 897 return 0; 898 } 899 900 return -1; 901 } 902 903 REGISTER_TEST_COMMAND(pmd_perf_autotest, test_pmd_perf); 904