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 #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 = RTE_TEST_RX_DESC_DEFAULT; 707 nb_txd = RTE_TEST_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 socketid = rte_eth_dev_socket_id(portid); 716 worker_id = alloc_lcore(socketid); 717 if (worker_id == (uint16_t)-1) { 718 printf("No avail lcore to run test\n"); 719 return -1; 720 } 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 printf("Skip port %d\n", portid); 727 continue; 728 } 729 730 /* port configure */ 731 ret = rte_eth_dev_configure(portid, nb_rx_queue, 732 nb_tx_queue, &port_conf); 733 if (ret < 0) 734 rte_exit(EXIT_FAILURE, 735 "Cannot configure device: err=%d, port=%d\n", 736 ret, portid); 737 738 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 739 if (ret < 0) 740 rte_exit(EXIT_FAILURE, 741 "Cannot get mac address: err=%d, port=%d\n", 742 ret, portid); 743 744 printf("Port %u ", portid); 745 print_ethaddr("Address:", &ports_eth_addr[portid]); 746 printf("\n"); 747 748 /* tx queue setup */ 749 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, 750 socketid, &tx_conf); 751 if (ret < 0) 752 rte_exit(EXIT_FAILURE, 753 "rte_eth_tx_queue_setup: err=%d, " 754 "port=%d\n", ret, portid); 755 756 /* rx queue steup */ 757 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 758 socketid, &rx_conf, 759 mbufpool[socketid]); 760 if (ret < 0) 761 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d," 762 "port=%d\n", ret, portid); 763 764 /* Start device */ 765 stop = 0; 766 ret = rte_eth_dev_start(portid); 767 if (ret < 0) 768 rte_exit(EXIT_FAILURE, 769 "rte_eth_dev_start: err=%d, port=%d\n", 770 ret, portid); 771 772 /* always enable promiscuous */ 773 ret = rte_eth_promiscuous_enable(portid); 774 if (ret != 0) 775 rte_exit(EXIT_FAILURE, 776 "rte_eth_promiscuous_enable: err=%s, port=%d\n", 777 rte_strerror(-ret), portid); 778 779 lcore_conf[worker_id].portlist[num++] = portid; 780 lcore_conf[worker_id].nb_ports++; 781 } 782 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 783 784 if (tx_burst == NULL) { 785 tx_burst = (struct rte_mbuf **) 786 rte_calloc_socket("tx_buff", 787 MAX_TRAFFIC_BURST * nb_ports, 788 sizeof(void *), 789 RTE_CACHE_LINE_SIZE, socketid); 790 if (!tx_burst) 791 return -1; 792 } 793 794 init_traffic(mbufpool[socketid], 795 tx_burst, MAX_TRAFFIC_BURST * nb_ports); 796 797 printf("Generate %d packets @socket %d\n", 798 MAX_TRAFFIC_BURST * nb_ports, socketid); 799 800 if (sc_flag == SC_CONTINUOUS) { 801 /* do both rxtx by default */ 802 if (NULL == do_measure) 803 do_measure = measure_rxtx; 804 805 rte_eal_remote_launch(main_loop, NULL, worker_id); 806 807 if (rte_eal_wait_lcore(worker_id) < 0) 808 return -1; 809 } else if (sc_flag == SC_BURST_POLL_FIRST || 810 sc_flag == SC_BURST_XMIT_FIRST) 811 if (exec_burst(sc_flag, worker_id) < 0) 812 return -1; 813 814 /* port tear down */ 815 RTE_ETH_FOREACH_DEV(portid) { 816 if (socketid != rte_eth_dev_socket_id(portid)) 817 continue; 818 819 ret = rte_eth_dev_stop(portid); 820 if (ret != 0) 821 printf("rte_eth_dev_stop: err=%s, port=%u\n", 822 rte_strerror(-ret), portid); 823 } 824 825 return 0; 826 } 827 828 int 829 test_set_rxtx_conf(cmdline_fixed_string_t mode) 830 { 831 printf("mode switch to %s\n", mode); 832 833 if (!strcmp(mode, "vector")) { 834 /* vector rx, tx */ 835 tx_conf.tx_rs_thresh = 32; 836 tx_conf.tx_free_thresh = 32; 837 return 0; 838 } else if (!strcmp(mode, "scalar")) { 839 /* bulk alloc rx, full-featured tx */ 840 tx_conf.tx_rs_thresh = 32; 841 tx_conf.tx_free_thresh = 32; 842 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 843 return 0; 844 } else if (!strcmp(mode, "hybrid")) { 845 /* bulk alloc rx, vector tx 846 * when vec macro not define, 847 * using the same rx/tx as scalar 848 */ 849 tx_conf.tx_rs_thresh = 32; 850 tx_conf.tx_free_thresh = 32; 851 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM; 852 return 0; 853 } else if (!strcmp(mode, "full")) { 854 /* full feature rx,tx pair */ 855 tx_conf.tx_rs_thresh = 32; 856 tx_conf.tx_free_thresh = 32; 857 port_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_SCATTER; 858 return 0; 859 } 860 861 return -1; 862 } 863 864 int 865 test_set_rxtx_anchor(cmdline_fixed_string_t type) 866 { 867 printf("type switch to %s\n", type); 868 869 if (!strcmp(type, "rxtx")) { 870 do_measure = measure_rxtx; 871 return 0; 872 } else if (!strcmp(type, "rxonly")) { 873 do_measure = measure_rxonly; 874 return 0; 875 } else if (!strcmp(type, "txonly")) { 876 do_measure = measure_txonly; 877 return 0; 878 } 879 880 return -1; 881 } 882 883 int 884 test_set_rxtx_sc(cmdline_fixed_string_t type) 885 { 886 printf("stream control switch to %s\n", type); 887 888 if (!strcmp(type, "continuous")) { 889 sc_flag = SC_CONTINUOUS; 890 return 0; 891 } else if (!strcmp(type, "poll_before_xmit")) { 892 sc_flag = SC_BURST_POLL_FIRST; 893 return 0; 894 } else if (!strcmp(type, "poll_after_xmit")) { 895 sc_flag = SC_BURST_XMIT_FIRST; 896 return 0; 897 } 898 899 return -1; 900 } 901 902 REGISTER_TEST_COMMAND(pmd_perf_autotest, test_pmd_perf); 903