1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2017 Intel Corporation 3 */ 4 5 #include <stdarg.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 #include <signal.h> 9 #include <string.h> 10 #include <time.h> 11 #include <fcntl.h> 12 #include <sys/mman.h> 13 #include <sys/types.h> 14 #include <errno.h> 15 16 #include <sys/queue.h> 17 #include <sys/stat.h> 18 19 #include <stdint.h> 20 #include <unistd.h> 21 #include <inttypes.h> 22 23 #include <rte_common.h> 24 #include <rte_errno.h> 25 #include <rte_byteorder.h> 26 #include <rte_log.h> 27 #include <rte_debug.h> 28 #include <rte_cycles.h> 29 #include <rte_memory.h> 30 #include <rte_memcpy.h> 31 #include <rte_launch.h> 32 #include <rte_eal.h> 33 #include <rte_alarm.h> 34 #include <rte_per_lcore.h> 35 #include <rte_lcore.h> 36 #include <rte_atomic.h> 37 #include <rte_branch_prediction.h> 38 #include <rte_mempool.h> 39 #include <rte_malloc.h> 40 #include <rte_mbuf.h> 41 #include <rte_interrupts.h> 42 #include <rte_pci.h> 43 #include <rte_ether.h> 44 #include <rte_ethdev.h> 45 #include <rte_dev.h> 46 #include <rte_string_fns.h> 47 #ifdef RTE_LIBRTE_IXGBE_PMD 48 #include <rte_pmd_ixgbe.h> 49 #endif 50 #ifdef RTE_LIBRTE_PDUMP 51 #include <rte_pdump.h> 52 #endif 53 #include <rte_flow.h> 54 #include <rte_metrics.h> 55 #ifdef RTE_LIBRTE_BITRATE 56 #include <rte_bitrate.h> 57 #endif 58 #ifdef RTE_LIBRTE_LATENCY_STATS 59 #include <rte_latencystats.h> 60 #endif 61 62 #include "testpmd.h" 63 64 uint16_t verbose_level = 0; /**< Silent by default. */ 65 int testpmd_logtype; /**< Log type for testpmd logs */ 66 67 /* use master core for command line ? */ 68 uint8_t interactive = 0; 69 uint8_t auto_start = 0; 70 uint8_t tx_first; 71 char cmdline_filename[PATH_MAX] = {0}; 72 73 /* 74 * NUMA support configuration. 75 * When set, the NUMA support attempts to dispatch the allocation of the 76 * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the 77 * probed ports among the CPU sockets 0 and 1. 78 * Otherwise, all memory is allocated from CPU socket 0. 79 */ 80 uint8_t numa_support = 1; /**< numa enabled by default */ 81 82 /* 83 * In UMA mode,all memory is allocated from socket 0 if --socket-num is 84 * not configured. 85 */ 86 uint8_t socket_num = UMA_NO_CONFIG; 87 88 /* 89 * Use ANONYMOUS mapped memory (might be not physically continuous) for mbufs. 90 */ 91 uint8_t mp_anon = 0; 92 93 /* 94 * Record the Ethernet address of peer target ports to which packets are 95 * forwarded. 96 * Must be instantiated with the ethernet addresses of peer traffic generator 97 * ports. 98 */ 99 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; 100 portid_t nb_peer_eth_addrs = 0; 101 102 /* 103 * Probed Target Environment. 104 */ 105 struct rte_port *ports; /**< For all probed ethernet ports. */ 106 portid_t nb_ports; /**< Number of probed ethernet ports. */ 107 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */ 108 lcoreid_t nb_lcores; /**< Number of probed logical cores. */ 109 110 /* 111 * Test Forwarding Configuration. 112 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores 113 * nb_fwd_ports <= nb_cfg_ports <= nb_ports 114 */ 115 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */ 116 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */ 117 portid_t nb_cfg_ports; /**< Number of configured ports. */ 118 portid_t nb_fwd_ports; /**< Number of forwarding ports. */ 119 120 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ 121 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ 122 123 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */ 124 streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */ 125 126 /* 127 * Forwarding engines. 128 */ 129 struct fwd_engine * fwd_engines[] = { 130 &io_fwd_engine, 131 &mac_fwd_engine, 132 &mac_swap_engine, 133 &flow_gen_engine, 134 &rx_only_engine, 135 &tx_only_engine, 136 &csum_fwd_engine, 137 &icmp_echo_engine, 138 #if defined RTE_LIBRTE_PMD_SOFTNIC && defined RTE_LIBRTE_SCHED 139 &softnic_tm_engine, 140 &softnic_tm_bypass_engine, 141 #endif 142 #ifdef RTE_LIBRTE_IEEE1588 143 &ieee1588_fwd_engine, 144 #endif 145 NULL, 146 }; 147 148 struct fwd_config cur_fwd_config; 149 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ 150 uint32_t retry_enabled; 151 uint32_t burst_tx_delay_time = BURST_TX_WAIT_US; 152 uint32_t burst_tx_retry_num = BURST_TX_RETRIES; 153 154 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ 155 uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if 156 * specified on command-line. */ 157 uint16_t stats_period; /**< Period to show statistics (disabled by default) */ 158 159 /* 160 * In container, it cannot terminate the process which running with 'stats-period' 161 * option. Set flag to exit stats period loop after received SIGINT/SIGTERM. 162 */ 163 uint8_t f_quit; 164 165 /* 166 * Configuration of packet segments used by the "txonly" processing engine. 167 */ 168 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ 169 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { 170 TXONLY_DEF_PACKET_LEN, 171 }; 172 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 173 174 enum tx_pkt_split tx_pkt_split = TX_PKT_SPLIT_OFF; 175 /**< Split policy for packets to TX. */ 176 177 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ 178 uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */ 179 180 /* current configuration is in DCB or not,0 means it is not in DCB mode */ 181 uint8_t dcb_config = 0; 182 183 /* Whether the dcb is in testing status */ 184 uint8_t dcb_test = 0; 185 186 /* 187 * Configurable number of RX/TX queues. 188 */ 189 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 190 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 191 192 /* 193 * Configurable number of RX/TX ring descriptors. 194 */ 195 #define RTE_TEST_RX_DESC_DEFAULT 128 196 #define RTE_TEST_TX_DESC_DEFAULT 512 197 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ 198 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ 199 200 #define RTE_PMD_PARAM_UNSET -1 201 /* 202 * Configurable values of RX and TX ring threshold registers. 203 */ 204 205 int8_t rx_pthresh = RTE_PMD_PARAM_UNSET; 206 int8_t rx_hthresh = RTE_PMD_PARAM_UNSET; 207 int8_t rx_wthresh = RTE_PMD_PARAM_UNSET; 208 209 int8_t tx_pthresh = RTE_PMD_PARAM_UNSET; 210 int8_t tx_hthresh = RTE_PMD_PARAM_UNSET; 211 int8_t tx_wthresh = RTE_PMD_PARAM_UNSET; 212 213 /* 214 * Configurable value of RX free threshold. 215 */ 216 int16_t rx_free_thresh = RTE_PMD_PARAM_UNSET; 217 218 /* 219 * Configurable value of RX drop enable. 220 */ 221 int8_t rx_drop_en = RTE_PMD_PARAM_UNSET; 222 223 /* 224 * Configurable value of TX free threshold. 225 */ 226 int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET; 227 228 /* 229 * Configurable value of TX RS bit threshold. 230 */ 231 int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET; 232 233 /* 234 * Receive Side Scaling (RSS) configuration. 235 */ 236 uint64_t rss_hf = ETH_RSS_IP; /* RSS IP by default. */ 237 238 /* 239 * Port topology configuration 240 */ 241 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 242 243 /* 244 * Avoids to flush all the RX streams before starts forwarding. 245 */ 246 uint8_t no_flush_rx = 0; /* flush by default */ 247 248 /* 249 * Flow API isolated mode. 250 */ 251 uint8_t flow_isolate_all; 252 253 /* 254 * Avoids to check link status when starting/stopping a port. 255 */ 256 uint8_t no_link_check = 0; /* check by default */ 257 258 /* 259 * Enable link status change notification 260 */ 261 uint8_t lsc_interrupt = 1; /* enabled by default */ 262 263 /* 264 * Enable device removal notification. 265 */ 266 uint8_t rmv_interrupt = 1; /* enabled by default */ 267 268 /* 269 * Display or mask ether events 270 * Default to all events except VF_MBOX 271 */ 272 uint32_t event_print_mask = (UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN) | 273 (UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC) | 274 (UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE) | 275 (UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET) | 276 (UINT32_C(1) << RTE_ETH_EVENT_MACSEC) | 277 (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV); 278 279 /* 280 * NIC bypass mode configuration options. 281 */ 282 283 #if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS 284 /* The NIC bypass watchdog timeout. */ 285 uint32_t bypass_timeout = RTE_PMD_IXGBE_BYPASS_TMT_OFF; 286 #endif 287 288 289 #ifdef RTE_LIBRTE_LATENCY_STATS 290 291 /* 292 * Set when latency stats is enabled in the commandline 293 */ 294 uint8_t latencystats_enabled; 295 296 /* 297 * Lcore ID to serive latency statistics. 298 */ 299 lcoreid_t latencystats_lcore_id = -1; 300 301 #endif 302 303 /* 304 * Ethernet device configuration. 305 */ 306 struct rte_eth_rxmode rx_mode = { 307 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 308 .offloads = (DEV_RX_OFFLOAD_VLAN_FILTER | 309 DEV_RX_OFFLOAD_VLAN_STRIP | 310 DEV_RX_OFFLOAD_CRC_STRIP), 311 .ignore_offload_bitfield = 1, 312 }; 313 314 struct rte_eth_txmode tx_mode = { 315 .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE, 316 }; 317 318 struct rte_fdir_conf fdir_conf = { 319 .mode = RTE_FDIR_MODE_NONE, 320 .pballoc = RTE_FDIR_PBALLOC_64K, 321 .status = RTE_FDIR_REPORT_STATUS, 322 .mask = { 323 .vlan_tci_mask = 0x0, 324 .ipv4_mask = { 325 .src_ip = 0xFFFFFFFF, 326 .dst_ip = 0xFFFFFFFF, 327 }, 328 .ipv6_mask = { 329 .src_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, 330 .dst_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, 331 }, 332 .src_port_mask = 0xFFFF, 333 .dst_port_mask = 0xFFFF, 334 .mac_addr_byte_mask = 0xFF, 335 .tunnel_type_mask = 1, 336 .tunnel_id_mask = 0xFFFFFFFF, 337 }, 338 .drop_queue = 127, 339 }; 340 341 volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 342 343 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS]; 344 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS]; 345 346 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array; 347 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array; 348 349 uint16_t nb_tx_queue_stats_mappings = 0; 350 uint16_t nb_rx_queue_stats_mappings = 0; 351 352 /* 353 * Display zero values by default for xstats 354 */ 355 uint8_t xstats_hide_zero; 356 357 unsigned int num_sockets = 0; 358 unsigned int socket_ids[RTE_MAX_NUMA_NODES]; 359 360 #ifdef RTE_LIBRTE_BITRATE 361 /* Bitrate statistics */ 362 struct rte_stats_bitrates *bitrate_data; 363 lcoreid_t bitrate_lcore_id; 364 uint8_t bitrate_enabled; 365 #endif 366 367 struct gro_status gro_ports[RTE_MAX_ETHPORTS]; 368 uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES; 369 370 /* Forward function declarations */ 371 static void map_port_queue_stats_mapping_registers(portid_t pi, 372 struct rte_port *port); 373 static void check_all_ports_link_status(uint32_t port_mask); 374 static int eth_event_callback(portid_t port_id, 375 enum rte_eth_event_type type, 376 void *param, void *ret_param); 377 378 /* 379 * Check if all the ports are started. 380 * If yes, return positive value. If not, return zero. 381 */ 382 static int all_ports_started(void); 383 384 struct gso_status gso_ports[RTE_MAX_ETHPORTS]; 385 uint16_t gso_max_segment_size = ETHER_MAX_LEN - ETHER_CRC_LEN; 386 387 /* 388 * Helper function to check if socket is already discovered. 389 * If yes, return positive value. If not, return zero. 390 */ 391 int 392 new_socket_id(unsigned int socket_id) 393 { 394 unsigned int i; 395 396 for (i = 0; i < num_sockets; i++) { 397 if (socket_ids[i] == socket_id) 398 return 0; 399 } 400 return 1; 401 } 402 403 /* 404 * Setup default configuration. 405 */ 406 static void 407 set_default_fwd_lcores_config(void) 408 { 409 unsigned int i; 410 unsigned int nb_lc; 411 unsigned int sock_num; 412 413 nb_lc = 0; 414 for (i = 0; i < RTE_MAX_LCORE; i++) { 415 sock_num = rte_lcore_to_socket_id(i); 416 if (new_socket_id(sock_num)) { 417 if (num_sockets >= RTE_MAX_NUMA_NODES) { 418 rte_exit(EXIT_FAILURE, 419 "Total sockets greater than %u\n", 420 RTE_MAX_NUMA_NODES); 421 } 422 socket_ids[num_sockets++] = sock_num; 423 } 424 if (!rte_lcore_is_enabled(i)) 425 continue; 426 if (i == rte_get_master_lcore()) 427 continue; 428 fwd_lcores_cpuids[nb_lc++] = i; 429 } 430 nb_lcores = (lcoreid_t) nb_lc; 431 nb_cfg_lcores = nb_lcores; 432 nb_fwd_lcores = 1; 433 } 434 435 static void 436 set_def_peer_eth_addrs(void) 437 { 438 portid_t i; 439 440 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 441 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 442 peer_eth_addrs[i].addr_bytes[5] = i; 443 } 444 } 445 446 static void 447 set_default_fwd_ports_config(void) 448 { 449 portid_t pt_id; 450 int i = 0; 451 452 RTE_ETH_FOREACH_DEV(pt_id) 453 fwd_ports_ids[i++] = pt_id; 454 455 nb_cfg_ports = nb_ports; 456 nb_fwd_ports = nb_ports; 457 } 458 459 void 460 set_def_fwd_config(void) 461 { 462 set_default_fwd_lcores_config(); 463 set_def_peer_eth_addrs(); 464 set_default_fwd_ports_config(); 465 } 466 467 /* 468 * Configuration initialisation done once at init time. 469 */ 470 static void 471 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 472 unsigned int socket_id) 473 { 474 char pool_name[RTE_MEMPOOL_NAMESIZE]; 475 struct rte_mempool *rte_mp = NULL; 476 uint32_t mb_size; 477 478 mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size; 479 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 480 481 TESTPMD_LOG(INFO, 482 "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n", 483 pool_name, nb_mbuf, mbuf_seg_size, socket_id); 484 485 if (mp_anon != 0) { 486 rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf, 487 mb_size, (unsigned) mb_mempool_cache, 488 sizeof(struct rte_pktmbuf_pool_private), 489 socket_id, 0); 490 if (rte_mp == NULL) 491 goto err; 492 493 if (rte_mempool_populate_anon(rte_mp) == 0) { 494 rte_mempool_free(rte_mp); 495 rte_mp = NULL; 496 goto err; 497 } 498 rte_pktmbuf_pool_init(rte_mp, NULL); 499 rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL); 500 } else { 501 /* wrapper to rte_mempool_create() */ 502 rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf, 503 mb_mempool_cache, 0, mbuf_seg_size, socket_id); 504 } 505 506 err: 507 if (rte_mp == NULL) { 508 rte_exit(EXIT_FAILURE, 509 "Creation of mbuf pool for socket %u failed: %s\n", 510 socket_id, rte_strerror(rte_errno)); 511 } else if (verbose_level > 0) { 512 rte_mempool_dump(stdout, rte_mp); 513 } 514 } 515 516 /* 517 * Check given socket id is valid or not with NUMA mode, 518 * if valid, return 0, else return -1 519 */ 520 static int 521 check_socket_id(const unsigned int socket_id) 522 { 523 static int warning_once = 0; 524 525 if (new_socket_id(socket_id)) { 526 if (!warning_once && numa_support) 527 printf("Warning: NUMA should be configured manually by" 528 " using --port-numa-config and" 529 " --ring-numa-config parameters along with" 530 " --numa.\n"); 531 warning_once = 1; 532 return -1; 533 } 534 return 0; 535 } 536 537 static void 538 init_config(void) 539 { 540 portid_t pid; 541 struct rte_port *port; 542 struct rte_mempool *mbp; 543 unsigned int nb_mbuf_per_pool; 544 lcoreid_t lc_id; 545 uint8_t port_per_socket[RTE_MAX_NUMA_NODES]; 546 struct rte_gro_param gro_param; 547 uint32_t gso_types; 548 549 memset(port_per_socket,0,RTE_MAX_NUMA_NODES); 550 551 if (numa_support) { 552 memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 553 memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 554 memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 555 } 556 557 /* Configuration of logical cores. */ 558 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 559 sizeof(struct fwd_lcore *) * nb_lcores, 560 RTE_CACHE_LINE_SIZE); 561 if (fwd_lcores == NULL) { 562 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) " 563 "failed\n", nb_lcores); 564 } 565 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 566 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 567 sizeof(struct fwd_lcore), 568 RTE_CACHE_LINE_SIZE); 569 if (fwd_lcores[lc_id] == NULL) { 570 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) " 571 "failed\n"); 572 } 573 fwd_lcores[lc_id]->cpuid_idx = lc_id; 574 } 575 576 RTE_ETH_FOREACH_DEV(pid) { 577 port = &ports[pid]; 578 /* Apply default Tx configuration for all ports */ 579 port->dev_conf.txmode = tx_mode; 580 port->dev_conf.rxmode = rx_mode; 581 rte_eth_dev_info_get(pid, &port->dev_info); 582 if (!(port->dev_info.tx_offload_capa & 583 DEV_TX_OFFLOAD_MBUF_FAST_FREE)) 584 port->dev_conf.txmode.offloads &= 585 ~DEV_TX_OFFLOAD_MBUF_FAST_FREE; 586 587 if (numa_support) { 588 if (port_numa[pid] != NUMA_NO_CONFIG) 589 port_per_socket[port_numa[pid]]++; 590 else { 591 uint32_t socket_id = rte_eth_dev_socket_id(pid); 592 593 /* if socket_id is invalid, set to 0 */ 594 if (check_socket_id(socket_id) < 0) 595 socket_id = 0; 596 port_per_socket[socket_id]++; 597 } 598 } 599 600 /* set flag to initialize port/queue */ 601 port->need_reconfig = 1; 602 port->need_reconfig_queues = 1; 603 } 604 605 /* 606 * Create pools of mbuf. 607 * If NUMA support is disabled, create a single pool of mbuf in 608 * socket 0 memory by default. 609 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 610 * 611 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and 612 * nb_txd can be configured at run time. 613 */ 614 if (param_total_num_mbufs) 615 nb_mbuf_per_pool = param_total_num_mbufs; 616 else { 617 nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + 618 (nb_lcores * mb_mempool_cache) + 619 RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST; 620 nb_mbuf_per_pool *= RTE_MAX_ETHPORTS; 621 } 622 623 if (numa_support) { 624 uint8_t i; 625 626 for (i = 0; i < num_sockets; i++) 627 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 628 socket_ids[i]); 629 } else { 630 if (socket_num == UMA_NO_CONFIG) 631 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 632 else 633 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 634 socket_num); 635 } 636 637 init_port_config(); 638 639 gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO | 640 DEV_TX_OFFLOAD_GRE_TNL_TSO; 641 /* 642 * Records which Mbuf pool to use by each logical core, if needed. 643 */ 644 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 645 mbp = mbuf_pool_find( 646 rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id])); 647 648 if (mbp == NULL) 649 mbp = mbuf_pool_find(0); 650 fwd_lcores[lc_id]->mbp = mbp; 651 /* initialize GSO context */ 652 fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp; 653 fwd_lcores[lc_id]->gso_ctx.indirect_pool = mbp; 654 fwd_lcores[lc_id]->gso_ctx.gso_types = gso_types; 655 fwd_lcores[lc_id]->gso_ctx.gso_size = ETHER_MAX_LEN - 656 ETHER_CRC_LEN; 657 fwd_lcores[lc_id]->gso_ctx.flag = 0; 658 } 659 660 /* Configuration of packet forwarding streams. */ 661 if (init_fwd_streams() < 0) 662 rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n"); 663 664 fwd_config_setup(); 665 666 /* create a gro context for each lcore */ 667 gro_param.gro_types = RTE_GRO_TCP_IPV4; 668 gro_param.max_flow_num = GRO_MAX_FLUSH_CYCLES; 669 gro_param.max_item_per_flow = MAX_PKT_BURST; 670 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 671 gro_param.socket_id = rte_lcore_to_socket_id( 672 fwd_lcores_cpuids[lc_id]); 673 fwd_lcores[lc_id]->gro_ctx = rte_gro_ctx_create(&gro_param); 674 if (fwd_lcores[lc_id]->gro_ctx == NULL) { 675 rte_exit(EXIT_FAILURE, 676 "rte_gro_ctx_create() failed\n"); 677 } 678 } 679 } 680 681 682 void 683 reconfig(portid_t new_port_id, unsigned socket_id) 684 { 685 struct rte_port *port; 686 687 /* Reconfiguration of Ethernet ports. */ 688 port = &ports[new_port_id]; 689 rte_eth_dev_info_get(new_port_id, &port->dev_info); 690 691 /* set flag to initialize port/queue */ 692 port->need_reconfig = 1; 693 port->need_reconfig_queues = 1; 694 port->socket_id = socket_id; 695 696 init_port_config(); 697 } 698 699 700 int 701 init_fwd_streams(void) 702 { 703 portid_t pid; 704 struct rte_port *port; 705 streamid_t sm_id, nb_fwd_streams_new; 706 queueid_t q; 707 708 /* set socket id according to numa or not */ 709 RTE_ETH_FOREACH_DEV(pid) { 710 port = &ports[pid]; 711 if (nb_rxq > port->dev_info.max_rx_queues) { 712 printf("Fail: nb_rxq(%d) is greater than " 713 "max_rx_queues(%d)\n", nb_rxq, 714 port->dev_info.max_rx_queues); 715 return -1; 716 } 717 if (nb_txq > port->dev_info.max_tx_queues) { 718 printf("Fail: nb_txq(%d) is greater than " 719 "max_tx_queues(%d)\n", nb_txq, 720 port->dev_info.max_tx_queues); 721 return -1; 722 } 723 if (numa_support) { 724 if (port_numa[pid] != NUMA_NO_CONFIG) 725 port->socket_id = port_numa[pid]; 726 else { 727 port->socket_id = rte_eth_dev_socket_id(pid); 728 729 /* if socket_id is invalid, set to 0 */ 730 if (check_socket_id(port->socket_id) < 0) 731 port->socket_id = 0; 732 } 733 } 734 else { 735 if (socket_num == UMA_NO_CONFIG) 736 port->socket_id = 0; 737 else 738 port->socket_id = socket_num; 739 } 740 } 741 742 q = RTE_MAX(nb_rxq, nb_txq); 743 if (q == 0) { 744 printf("Fail: Cannot allocate fwd streams as number of queues is 0\n"); 745 return -1; 746 } 747 nb_fwd_streams_new = (streamid_t)(nb_ports * q); 748 if (nb_fwd_streams_new == nb_fwd_streams) 749 return 0; 750 /* clear the old */ 751 if (fwd_streams != NULL) { 752 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 753 if (fwd_streams[sm_id] == NULL) 754 continue; 755 rte_free(fwd_streams[sm_id]); 756 fwd_streams[sm_id] = NULL; 757 } 758 rte_free(fwd_streams); 759 fwd_streams = NULL; 760 } 761 762 /* init new */ 763 nb_fwd_streams = nb_fwd_streams_new; 764 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 765 sizeof(struct fwd_stream *) * nb_fwd_streams, RTE_CACHE_LINE_SIZE); 766 if (fwd_streams == NULL) 767 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) " 768 "failed\n", nb_fwd_streams); 769 770 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 771 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", 772 sizeof(struct fwd_stream), RTE_CACHE_LINE_SIZE); 773 if (fwd_streams[sm_id] == NULL) 774 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream)" 775 " failed\n"); 776 } 777 778 return 0; 779 } 780 781 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 782 static void 783 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 784 { 785 unsigned int total_burst; 786 unsigned int nb_burst; 787 unsigned int burst_stats[3]; 788 uint16_t pktnb_stats[3]; 789 uint16_t nb_pkt; 790 int burst_percent[3]; 791 792 /* 793 * First compute the total number of packet bursts and the 794 * two highest numbers of bursts of the same number of packets. 795 */ 796 total_burst = 0; 797 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 798 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 799 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 800 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 801 if (nb_burst == 0) 802 continue; 803 total_burst += nb_burst; 804 if (nb_burst > burst_stats[0]) { 805 burst_stats[1] = burst_stats[0]; 806 pktnb_stats[1] = pktnb_stats[0]; 807 burst_stats[0] = nb_burst; 808 pktnb_stats[0] = nb_pkt; 809 } 810 } 811 if (total_burst == 0) 812 return; 813 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 814 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 815 burst_percent[0], (int) pktnb_stats[0]); 816 if (burst_stats[0] == total_burst) { 817 printf("]\n"); 818 return; 819 } 820 if (burst_stats[0] + burst_stats[1] == total_burst) { 821 printf(" + %d%% of %d pkts]\n", 822 100 - burst_percent[0], pktnb_stats[1]); 823 return; 824 } 825 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 826 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 827 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 828 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 829 return; 830 } 831 printf(" + %d%% of %d pkts + %d%% of others]\n", 832 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 833 } 834 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 835 836 static void 837 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 838 { 839 struct rte_port *port; 840 uint8_t i; 841 842 static const char *fwd_stats_border = "----------------------"; 843 844 port = &ports[port_id]; 845 printf("\n %s Forward statistics for port %-2d %s\n", 846 fwd_stats_border, port_id, fwd_stats_border); 847 848 if ((!port->rx_queue_stats_mapping_enabled) && (!port->tx_queue_stats_mapping_enabled)) { 849 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 850 "%-"PRIu64"\n", 851 stats->ipackets, stats->imissed, 852 (uint64_t) (stats->ipackets + stats->imissed)); 853 854 if (cur_fwd_eng == &csum_fwd_engine) 855 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", 856 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 857 if ((stats->ierrors + stats->rx_nombuf) > 0) { 858 printf(" RX-error: %-"PRIu64"\n", stats->ierrors); 859 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 860 } 861 862 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 863 "%-"PRIu64"\n", 864 stats->opackets, port->tx_dropped, 865 (uint64_t) (stats->opackets + port->tx_dropped)); 866 } 867 else { 868 printf(" RX-packets: %14"PRIu64" RX-dropped:%14"PRIu64" RX-total:" 869 "%14"PRIu64"\n", 870 stats->ipackets, stats->imissed, 871 (uint64_t) (stats->ipackets + stats->imissed)); 872 873 if (cur_fwd_eng == &csum_fwd_engine) 874 printf(" Bad-ipcsum:%14"PRIu64" Bad-l4csum:%14"PRIu64"\n", 875 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 876 if ((stats->ierrors + stats->rx_nombuf) > 0) { 877 printf(" RX-error:%"PRIu64"\n", stats->ierrors); 878 printf(" RX-nombufs: %14"PRIu64"\n", 879 stats->rx_nombuf); 880 } 881 882 printf(" TX-packets: %14"PRIu64" TX-dropped:%14"PRIu64" TX-total:" 883 "%14"PRIu64"\n", 884 stats->opackets, port->tx_dropped, 885 (uint64_t) (stats->opackets + port->tx_dropped)); 886 } 887 888 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 889 if (port->rx_stream) 890 pkt_burst_stats_display("RX", 891 &port->rx_stream->rx_burst_stats); 892 if (port->tx_stream) 893 pkt_burst_stats_display("TX", 894 &port->tx_stream->tx_burst_stats); 895 #endif 896 897 if (port->rx_queue_stats_mapping_enabled) { 898 printf("\n"); 899 for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) { 900 printf(" Stats reg %2d RX-packets:%14"PRIu64 901 " RX-errors:%14"PRIu64 902 " RX-bytes:%14"PRIu64"\n", 903 i, stats->q_ipackets[i], stats->q_errors[i], stats->q_ibytes[i]); 904 } 905 printf("\n"); 906 } 907 if (port->tx_queue_stats_mapping_enabled) { 908 for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) { 909 printf(" Stats reg %2d TX-packets:%14"PRIu64 910 " TX-bytes:%14"PRIu64"\n", 911 i, stats->q_opackets[i], stats->q_obytes[i]); 912 } 913 } 914 915 printf(" %s--------------------------------%s\n", 916 fwd_stats_border, fwd_stats_border); 917 } 918 919 static void 920 fwd_stream_stats_display(streamid_t stream_id) 921 { 922 struct fwd_stream *fs; 923 static const char *fwd_top_stats_border = "-------"; 924 925 fs = fwd_streams[stream_id]; 926 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 927 (fs->fwd_dropped == 0)) 928 return; 929 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 930 "TX Port=%2d/Queue=%2d %s\n", 931 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 932 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 933 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 934 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 935 936 /* if checksum mode */ 937 if (cur_fwd_eng == &csum_fwd_engine) { 938 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: " 939 "%-14u\n", fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); 940 } 941 942 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 943 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 944 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 945 #endif 946 } 947 948 static void 949 flush_fwd_rx_queues(void) 950 { 951 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 952 portid_t rxp; 953 portid_t port_id; 954 queueid_t rxq; 955 uint16_t nb_rx; 956 uint16_t i; 957 uint8_t j; 958 uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; 959 uint64_t timer_period; 960 961 /* convert to number of cycles */ 962 timer_period = rte_get_timer_hz(); /* 1 second timeout */ 963 964 for (j = 0; j < 2; j++) { 965 for (rxp = 0; rxp < cur_fwd_config.nb_fwd_ports; rxp++) { 966 for (rxq = 0; rxq < nb_rxq; rxq++) { 967 port_id = fwd_ports_ids[rxp]; 968 /** 969 * testpmd can stuck in the below do while loop 970 * if rte_eth_rx_burst() always returns nonzero 971 * packets. So timer is added to exit this loop 972 * after 1sec timer expiry. 973 */ 974 prev_tsc = rte_rdtsc(); 975 do { 976 nb_rx = rte_eth_rx_burst(port_id, rxq, 977 pkts_burst, MAX_PKT_BURST); 978 for (i = 0; i < nb_rx; i++) 979 rte_pktmbuf_free(pkts_burst[i]); 980 981 cur_tsc = rte_rdtsc(); 982 diff_tsc = cur_tsc - prev_tsc; 983 timer_tsc += diff_tsc; 984 } while ((nb_rx > 0) && 985 (timer_tsc < timer_period)); 986 timer_tsc = 0; 987 } 988 } 989 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 990 } 991 } 992 993 static void 994 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 995 { 996 struct fwd_stream **fsm; 997 streamid_t nb_fs; 998 streamid_t sm_id; 999 #ifdef RTE_LIBRTE_BITRATE 1000 uint64_t tics_per_1sec; 1001 uint64_t tics_datum; 1002 uint64_t tics_current; 1003 uint8_t idx_port, cnt_ports; 1004 1005 cnt_ports = rte_eth_dev_count(); 1006 tics_datum = rte_rdtsc(); 1007 tics_per_1sec = rte_get_timer_hz(); 1008 #endif 1009 fsm = &fwd_streams[fc->stream_idx]; 1010 nb_fs = fc->stream_nb; 1011 do { 1012 for (sm_id = 0; sm_id < nb_fs; sm_id++) 1013 (*pkt_fwd)(fsm[sm_id]); 1014 #ifdef RTE_LIBRTE_BITRATE 1015 if (bitrate_enabled != 0 && 1016 bitrate_lcore_id == rte_lcore_id()) { 1017 tics_current = rte_rdtsc(); 1018 if (tics_current - tics_datum >= tics_per_1sec) { 1019 /* Periodic bitrate calculation */ 1020 for (idx_port = 0; 1021 idx_port < cnt_ports; 1022 idx_port++) 1023 rte_stats_bitrate_calc(bitrate_data, 1024 idx_port); 1025 tics_datum = tics_current; 1026 } 1027 } 1028 #endif 1029 #ifdef RTE_LIBRTE_LATENCY_STATS 1030 if (latencystats_enabled != 0 && 1031 latencystats_lcore_id == rte_lcore_id()) 1032 rte_latencystats_update(); 1033 #endif 1034 1035 } while (! fc->stopped); 1036 } 1037 1038 static int 1039 start_pkt_forward_on_core(void *fwd_arg) 1040 { 1041 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 1042 cur_fwd_config.fwd_eng->packet_fwd); 1043 return 0; 1044 } 1045 1046 /* 1047 * Run the TXONLY packet forwarding engine to send a single burst of packets. 1048 * Used to start communication flows in network loopback test configurations. 1049 */ 1050 static int 1051 run_one_txonly_burst_on_core(void *fwd_arg) 1052 { 1053 struct fwd_lcore *fwd_lc; 1054 struct fwd_lcore tmp_lcore; 1055 1056 fwd_lc = (struct fwd_lcore *) fwd_arg; 1057 tmp_lcore = *fwd_lc; 1058 tmp_lcore.stopped = 1; 1059 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 1060 return 0; 1061 } 1062 1063 /* 1064 * Launch packet forwarding: 1065 * - Setup per-port forwarding context. 1066 * - launch logical cores with their forwarding configuration. 1067 */ 1068 static void 1069 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 1070 { 1071 port_fwd_begin_t port_fwd_begin; 1072 unsigned int i; 1073 unsigned int lc_id; 1074 int diag; 1075 1076 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 1077 if (port_fwd_begin != NULL) { 1078 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1079 (*port_fwd_begin)(fwd_ports_ids[i]); 1080 } 1081 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 1082 lc_id = fwd_lcores_cpuids[i]; 1083 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 1084 fwd_lcores[i]->stopped = 0; 1085 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 1086 fwd_lcores[i], lc_id); 1087 if (diag != 0) 1088 printf("launch lcore %u failed - diag=%d\n", 1089 lc_id, diag); 1090 } 1091 } 1092 } 1093 1094 /* 1095 * Launch packet forwarding configuration. 1096 */ 1097 void 1098 start_packet_forwarding(int with_tx_first) 1099 { 1100 port_fwd_begin_t port_fwd_begin; 1101 port_fwd_end_t port_fwd_end; 1102 struct rte_port *port; 1103 unsigned int i; 1104 portid_t pt_id; 1105 streamid_t sm_id; 1106 1107 if (strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") == 0 && !nb_rxq) 1108 rte_exit(EXIT_FAILURE, "rxq are 0, cannot use rxonly fwd mode\n"); 1109 1110 if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 && !nb_txq) 1111 rte_exit(EXIT_FAILURE, "txq are 0, cannot use txonly fwd mode\n"); 1112 1113 if ((strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") != 0 && 1114 strcmp(cur_fwd_eng->fwd_mode_name, "txonly") != 0) && 1115 (!nb_rxq || !nb_txq)) 1116 rte_exit(EXIT_FAILURE, 1117 "Either rxq or txq are 0, cannot use %s fwd mode\n", 1118 cur_fwd_eng->fwd_mode_name); 1119 1120 if (all_ports_started() == 0) { 1121 printf("Not all ports were started\n"); 1122 return; 1123 } 1124 if (test_done == 0) { 1125 printf("Packet forwarding already started\n"); 1126 return; 1127 } 1128 1129 if (init_fwd_streams() < 0) { 1130 printf("Fail from init_fwd_streams()\n"); 1131 return; 1132 } 1133 1134 if(dcb_test) { 1135 for (i = 0; i < nb_fwd_ports; i++) { 1136 pt_id = fwd_ports_ids[i]; 1137 port = &ports[pt_id]; 1138 if (!port->dcb_flag) { 1139 printf("In DCB mode, all forwarding ports must " 1140 "be configured in this mode.\n"); 1141 return; 1142 } 1143 } 1144 if (nb_fwd_lcores == 1) { 1145 printf("In DCB mode,the nb forwarding cores " 1146 "should be larger than 1.\n"); 1147 return; 1148 } 1149 } 1150 test_done = 0; 1151 1152 if(!no_flush_rx) 1153 flush_fwd_rx_queues(); 1154 1155 fwd_config_setup(); 1156 pkt_fwd_config_display(&cur_fwd_config); 1157 rxtx_config_display(); 1158 1159 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1160 pt_id = fwd_ports_ids[i]; 1161 port = &ports[pt_id]; 1162 rte_eth_stats_get(pt_id, &port->stats); 1163 port->tx_dropped = 0; 1164 1165 map_port_queue_stats_mapping_registers(pt_id, port); 1166 } 1167 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 1168 fwd_streams[sm_id]->rx_packets = 0; 1169 fwd_streams[sm_id]->tx_packets = 0; 1170 fwd_streams[sm_id]->fwd_dropped = 0; 1171 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 1172 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 1173 1174 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 1175 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 1176 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 1177 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 1178 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 1179 #endif 1180 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1181 fwd_streams[sm_id]->core_cycles = 0; 1182 #endif 1183 } 1184 if (with_tx_first) { 1185 port_fwd_begin = tx_only_engine.port_fwd_begin; 1186 if (port_fwd_begin != NULL) { 1187 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1188 (*port_fwd_begin)(fwd_ports_ids[i]); 1189 } 1190 while (with_tx_first--) { 1191 launch_packet_forwarding( 1192 run_one_txonly_burst_on_core); 1193 rte_eal_mp_wait_lcore(); 1194 } 1195 port_fwd_end = tx_only_engine.port_fwd_end; 1196 if (port_fwd_end != NULL) { 1197 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1198 (*port_fwd_end)(fwd_ports_ids[i]); 1199 } 1200 } 1201 launch_packet_forwarding(start_pkt_forward_on_core); 1202 } 1203 1204 void 1205 stop_packet_forwarding(void) 1206 { 1207 struct rte_eth_stats stats; 1208 struct rte_port *port; 1209 port_fwd_end_t port_fwd_end; 1210 int i; 1211 portid_t pt_id; 1212 streamid_t sm_id; 1213 lcoreid_t lc_id; 1214 uint64_t total_recv; 1215 uint64_t total_xmit; 1216 uint64_t total_rx_dropped; 1217 uint64_t total_tx_dropped; 1218 uint64_t total_rx_nombuf; 1219 uint64_t tx_dropped; 1220 uint64_t rx_bad_ip_csum; 1221 uint64_t rx_bad_l4_csum; 1222 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1223 uint64_t fwd_cycles; 1224 #endif 1225 1226 static const char *acc_stats_border = "+++++++++++++++"; 1227 1228 if (test_done) { 1229 printf("Packet forwarding not started\n"); 1230 return; 1231 } 1232 printf("Telling cores to stop..."); 1233 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 1234 fwd_lcores[lc_id]->stopped = 1; 1235 printf("\nWaiting for lcores to finish...\n"); 1236 rte_eal_mp_wait_lcore(); 1237 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 1238 if (port_fwd_end != NULL) { 1239 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1240 pt_id = fwd_ports_ids[i]; 1241 (*port_fwd_end)(pt_id); 1242 } 1243 } 1244 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1245 fwd_cycles = 0; 1246 #endif 1247 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 1248 if (cur_fwd_config.nb_fwd_streams > 1249 cur_fwd_config.nb_fwd_ports) { 1250 fwd_stream_stats_display(sm_id); 1251 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 1252 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 1253 } else { 1254 ports[fwd_streams[sm_id]->tx_port].tx_stream = 1255 fwd_streams[sm_id]; 1256 ports[fwd_streams[sm_id]->rx_port].rx_stream = 1257 fwd_streams[sm_id]; 1258 } 1259 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 1260 tx_dropped = (uint64_t) (tx_dropped + 1261 fwd_streams[sm_id]->fwd_dropped); 1262 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 1263 1264 rx_bad_ip_csum = 1265 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 1266 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 1267 fwd_streams[sm_id]->rx_bad_ip_csum); 1268 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = 1269 rx_bad_ip_csum; 1270 1271 rx_bad_l4_csum = 1272 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 1273 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 1274 fwd_streams[sm_id]->rx_bad_l4_csum); 1275 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = 1276 rx_bad_l4_csum; 1277 1278 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1279 fwd_cycles = (uint64_t) (fwd_cycles + 1280 fwd_streams[sm_id]->core_cycles); 1281 #endif 1282 } 1283 total_recv = 0; 1284 total_xmit = 0; 1285 total_rx_dropped = 0; 1286 total_tx_dropped = 0; 1287 total_rx_nombuf = 0; 1288 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1289 pt_id = fwd_ports_ids[i]; 1290 1291 port = &ports[pt_id]; 1292 rte_eth_stats_get(pt_id, &stats); 1293 stats.ipackets -= port->stats.ipackets; 1294 port->stats.ipackets = 0; 1295 stats.opackets -= port->stats.opackets; 1296 port->stats.opackets = 0; 1297 stats.ibytes -= port->stats.ibytes; 1298 port->stats.ibytes = 0; 1299 stats.obytes -= port->stats.obytes; 1300 port->stats.obytes = 0; 1301 stats.imissed -= port->stats.imissed; 1302 port->stats.imissed = 0; 1303 stats.oerrors -= port->stats.oerrors; 1304 port->stats.oerrors = 0; 1305 stats.rx_nombuf -= port->stats.rx_nombuf; 1306 port->stats.rx_nombuf = 0; 1307 1308 total_recv += stats.ipackets; 1309 total_xmit += stats.opackets; 1310 total_rx_dropped += stats.imissed; 1311 total_tx_dropped += port->tx_dropped; 1312 total_rx_nombuf += stats.rx_nombuf; 1313 1314 fwd_port_stats_display(pt_id, &stats); 1315 } 1316 1317 printf("\n %s Accumulated forward statistics for all ports" 1318 "%s\n", 1319 acc_stats_border, acc_stats_border); 1320 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 1321 "%-"PRIu64"\n" 1322 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 1323 "%-"PRIu64"\n", 1324 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 1325 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 1326 if (total_rx_nombuf > 0) 1327 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 1328 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 1329 "%s\n", 1330 acc_stats_border, acc_stats_border); 1331 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1332 if (total_recv > 0) 1333 printf("\n CPU cycles/packet=%u (total cycles=" 1334 "%"PRIu64" / total RX packets=%"PRIu64")\n", 1335 (unsigned int)(fwd_cycles / total_recv), 1336 fwd_cycles, total_recv); 1337 #endif 1338 printf("\nDone.\n"); 1339 test_done = 1; 1340 } 1341 1342 void 1343 dev_set_link_up(portid_t pid) 1344 { 1345 if (rte_eth_dev_set_link_up(pid) < 0) 1346 printf("\nSet link up fail.\n"); 1347 } 1348 1349 void 1350 dev_set_link_down(portid_t pid) 1351 { 1352 if (rte_eth_dev_set_link_down(pid) < 0) 1353 printf("\nSet link down fail.\n"); 1354 } 1355 1356 static int 1357 all_ports_started(void) 1358 { 1359 portid_t pi; 1360 struct rte_port *port; 1361 1362 RTE_ETH_FOREACH_DEV(pi) { 1363 port = &ports[pi]; 1364 /* Check if there is a port which is not started */ 1365 if ((port->port_status != RTE_PORT_STARTED) && 1366 (port->slave_flag == 0)) 1367 return 0; 1368 } 1369 1370 /* No port is not started */ 1371 return 1; 1372 } 1373 1374 int 1375 port_is_stopped(portid_t port_id) 1376 { 1377 struct rte_port *port = &ports[port_id]; 1378 1379 if ((port->port_status != RTE_PORT_STOPPED) && 1380 (port->slave_flag == 0)) 1381 return 0; 1382 return 1; 1383 } 1384 1385 int 1386 all_ports_stopped(void) 1387 { 1388 portid_t pi; 1389 1390 RTE_ETH_FOREACH_DEV(pi) { 1391 if (!port_is_stopped(pi)) 1392 return 0; 1393 } 1394 1395 return 1; 1396 } 1397 1398 int 1399 port_is_started(portid_t port_id) 1400 { 1401 if (port_id_is_invalid(port_id, ENABLED_WARN)) 1402 return 0; 1403 1404 if (ports[port_id].port_status != RTE_PORT_STARTED) 1405 return 0; 1406 1407 return 1; 1408 } 1409 1410 static int 1411 port_is_closed(portid_t port_id) 1412 { 1413 if (port_id_is_invalid(port_id, ENABLED_WARN)) 1414 return 0; 1415 1416 if (ports[port_id].port_status != RTE_PORT_CLOSED) 1417 return 0; 1418 1419 return 1; 1420 } 1421 1422 int 1423 start_port(portid_t pid) 1424 { 1425 int diag, need_check_link_status = -1; 1426 portid_t pi; 1427 queueid_t qi; 1428 struct rte_port *port; 1429 struct ether_addr mac_addr; 1430 enum rte_eth_event_type event_type; 1431 1432 if (port_id_is_invalid(pid, ENABLED_WARN)) 1433 return 0; 1434 1435 if(dcb_config) 1436 dcb_test = 1; 1437 RTE_ETH_FOREACH_DEV(pi) { 1438 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 1439 continue; 1440 1441 need_check_link_status = 0; 1442 port = &ports[pi]; 1443 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED, 1444 RTE_PORT_HANDLING) == 0) { 1445 printf("Port %d is now not stopped\n", pi); 1446 continue; 1447 } 1448 1449 if (port->need_reconfig > 0) { 1450 port->need_reconfig = 0; 1451 1452 if (flow_isolate_all) { 1453 int ret = port_flow_isolate(pi, 1); 1454 if (ret) { 1455 printf("Failed to apply isolated" 1456 " mode on port %d\n", pi); 1457 return -1; 1458 } 1459 } 1460 1461 printf("Configuring Port %d (socket %u)\n", pi, 1462 port->socket_id); 1463 /* configure port */ 1464 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, 1465 &(port->dev_conf)); 1466 if (diag != 0) { 1467 if (rte_atomic16_cmpset(&(port->port_status), 1468 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1469 printf("Port %d can not be set back " 1470 "to stopped\n", pi); 1471 printf("Fail to configure port %d\n", pi); 1472 /* try to reconfigure port next time */ 1473 port->need_reconfig = 1; 1474 return -1; 1475 } 1476 } 1477 if (port->need_reconfig_queues > 0) { 1478 port->need_reconfig_queues = 0; 1479 port->tx_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; 1480 /* Apply Tx offloads configuration */ 1481 port->tx_conf.offloads = port->dev_conf.txmode.offloads; 1482 /* setup tx queues */ 1483 for (qi = 0; qi < nb_txq; qi++) { 1484 if ((numa_support) && 1485 (txring_numa[pi] != NUMA_NO_CONFIG)) 1486 diag = rte_eth_tx_queue_setup(pi, qi, 1487 nb_txd,txring_numa[pi], 1488 &(port->tx_conf)); 1489 else 1490 diag = rte_eth_tx_queue_setup(pi, qi, 1491 nb_txd,port->socket_id, 1492 &(port->tx_conf)); 1493 1494 if (diag == 0) 1495 continue; 1496 1497 /* Fail to setup tx queue, return */ 1498 if (rte_atomic16_cmpset(&(port->port_status), 1499 RTE_PORT_HANDLING, 1500 RTE_PORT_STOPPED) == 0) 1501 printf("Port %d can not be set back " 1502 "to stopped\n", pi); 1503 printf("Fail to configure port %d tx queues\n", pi); 1504 /* try to reconfigure queues next time */ 1505 port->need_reconfig_queues = 1; 1506 return -1; 1507 } 1508 /* Apply Rx offloads configuration */ 1509 port->rx_conf.offloads = port->dev_conf.rxmode.offloads; 1510 /* setup rx queues */ 1511 for (qi = 0; qi < nb_rxq; qi++) { 1512 if ((numa_support) && 1513 (rxring_numa[pi] != NUMA_NO_CONFIG)) { 1514 struct rte_mempool * mp = 1515 mbuf_pool_find(rxring_numa[pi]); 1516 if (mp == NULL) { 1517 printf("Failed to setup RX queue:" 1518 "No mempool allocation" 1519 " on the socket %d\n", 1520 rxring_numa[pi]); 1521 return -1; 1522 } 1523 1524 diag = rte_eth_rx_queue_setup(pi, qi, 1525 nb_rxd,rxring_numa[pi], 1526 &(port->rx_conf),mp); 1527 } else { 1528 struct rte_mempool *mp = 1529 mbuf_pool_find(port->socket_id); 1530 if (mp == NULL) { 1531 printf("Failed to setup RX queue:" 1532 "No mempool allocation" 1533 " on the socket %d\n", 1534 port->socket_id); 1535 return -1; 1536 } 1537 diag = rte_eth_rx_queue_setup(pi, qi, 1538 nb_rxd,port->socket_id, 1539 &(port->rx_conf), mp); 1540 } 1541 if (diag == 0) 1542 continue; 1543 1544 /* Fail to setup rx queue, return */ 1545 if (rte_atomic16_cmpset(&(port->port_status), 1546 RTE_PORT_HANDLING, 1547 RTE_PORT_STOPPED) == 0) 1548 printf("Port %d can not be set back " 1549 "to stopped\n", pi); 1550 printf("Fail to configure port %d rx queues\n", pi); 1551 /* try to reconfigure queues next time */ 1552 port->need_reconfig_queues = 1; 1553 return -1; 1554 } 1555 } 1556 1557 /* start port */ 1558 if (rte_eth_dev_start(pi) < 0) { 1559 printf("Fail to start port %d\n", pi); 1560 1561 /* Fail to setup rx queue, return */ 1562 if (rte_atomic16_cmpset(&(port->port_status), 1563 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1564 printf("Port %d can not be set back to " 1565 "stopped\n", pi); 1566 continue; 1567 } 1568 1569 if (rte_atomic16_cmpset(&(port->port_status), 1570 RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0) 1571 printf("Port %d can not be set into started\n", pi); 1572 1573 rte_eth_macaddr_get(pi, &mac_addr); 1574 printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi, 1575 mac_addr.addr_bytes[0], mac_addr.addr_bytes[1], 1576 mac_addr.addr_bytes[2], mac_addr.addr_bytes[3], 1577 mac_addr.addr_bytes[4], mac_addr.addr_bytes[5]); 1578 1579 /* at least one port started, need checking link status */ 1580 need_check_link_status = 1; 1581 } 1582 1583 for (event_type = RTE_ETH_EVENT_UNKNOWN; 1584 event_type < RTE_ETH_EVENT_MAX; 1585 event_type++) { 1586 diag = rte_eth_dev_callback_register(RTE_ETH_ALL, 1587 event_type, 1588 eth_event_callback, 1589 NULL); 1590 if (diag) { 1591 printf("Failed to setup even callback for event %d\n", 1592 event_type); 1593 return -1; 1594 } 1595 } 1596 1597 if (need_check_link_status == 1 && !no_link_check) 1598 check_all_ports_link_status(RTE_PORT_ALL); 1599 else if (need_check_link_status == 0) 1600 printf("Please stop the ports first\n"); 1601 1602 printf("Done\n"); 1603 return 0; 1604 } 1605 1606 void 1607 stop_port(portid_t pid) 1608 { 1609 portid_t pi; 1610 struct rte_port *port; 1611 int need_check_link_status = 0; 1612 1613 if (dcb_test) { 1614 dcb_test = 0; 1615 dcb_config = 0; 1616 } 1617 1618 if (port_id_is_invalid(pid, ENABLED_WARN)) 1619 return; 1620 1621 printf("Stopping ports...\n"); 1622 1623 RTE_ETH_FOREACH_DEV(pi) { 1624 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 1625 continue; 1626 1627 if (port_is_forwarding(pi) != 0 && test_done == 0) { 1628 printf("Please remove port %d from forwarding configuration.\n", pi); 1629 continue; 1630 } 1631 1632 if (port_is_bonding_slave(pi)) { 1633 printf("Please remove port %d from bonded device.\n", pi); 1634 continue; 1635 } 1636 1637 port = &ports[pi]; 1638 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED, 1639 RTE_PORT_HANDLING) == 0) 1640 continue; 1641 1642 rte_eth_dev_stop(pi); 1643 1644 if (rte_atomic16_cmpset(&(port->port_status), 1645 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1646 printf("Port %d can not be set into stopped\n", pi); 1647 need_check_link_status = 1; 1648 } 1649 if (need_check_link_status && !no_link_check) 1650 check_all_ports_link_status(RTE_PORT_ALL); 1651 1652 printf("Done\n"); 1653 } 1654 1655 void 1656 close_port(portid_t pid) 1657 { 1658 portid_t pi; 1659 struct rte_port *port; 1660 1661 if (port_id_is_invalid(pid, ENABLED_WARN)) 1662 return; 1663 1664 printf("Closing ports...\n"); 1665 1666 RTE_ETH_FOREACH_DEV(pi) { 1667 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 1668 continue; 1669 1670 if (port_is_forwarding(pi) != 0 && test_done == 0) { 1671 printf("Please remove port %d from forwarding configuration.\n", pi); 1672 continue; 1673 } 1674 1675 if (port_is_bonding_slave(pi)) { 1676 printf("Please remove port %d from bonded device.\n", pi); 1677 continue; 1678 } 1679 1680 port = &ports[pi]; 1681 if (rte_atomic16_cmpset(&(port->port_status), 1682 RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) { 1683 printf("Port %d is already closed\n", pi); 1684 continue; 1685 } 1686 1687 if (rte_atomic16_cmpset(&(port->port_status), 1688 RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) { 1689 printf("Port %d is now not stopped\n", pi); 1690 continue; 1691 } 1692 1693 if (port->flow_list) 1694 port_flow_flush(pi); 1695 rte_eth_dev_close(pi); 1696 1697 if (rte_atomic16_cmpset(&(port->port_status), 1698 RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0) 1699 printf("Port %d cannot be set to closed\n", pi); 1700 } 1701 1702 printf("Done\n"); 1703 } 1704 1705 void 1706 reset_port(portid_t pid) 1707 { 1708 int diag; 1709 portid_t pi; 1710 struct rte_port *port; 1711 1712 if (port_id_is_invalid(pid, ENABLED_WARN)) 1713 return; 1714 1715 printf("Resetting ports...\n"); 1716 1717 RTE_ETH_FOREACH_DEV(pi) { 1718 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 1719 continue; 1720 1721 if (port_is_forwarding(pi) != 0 && test_done == 0) { 1722 printf("Please remove port %d from forwarding " 1723 "configuration.\n", pi); 1724 continue; 1725 } 1726 1727 if (port_is_bonding_slave(pi)) { 1728 printf("Please remove port %d from bonded device.\n", 1729 pi); 1730 continue; 1731 } 1732 1733 diag = rte_eth_dev_reset(pi); 1734 if (diag == 0) { 1735 port = &ports[pi]; 1736 port->need_reconfig = 1; 1737 port->need_reconfig_queues = 1; 1738 } else { 1739 printf("Failed to reset port %d. diag=%d\n", pi, diag); 1740 } 1741 } 1742 1743 printf("Done\n"); 1744 } 1745 1746 void 1747 attach_port(char *identifier) 1748 { 1749 portid_t pi = 0; 1750 unsigned int socket_id; 1751 1752 printf("Attaching a new port...\n"); 1753 1754 if (identifier == NULL) { 1755 printf("Invalid parameters are specified\n"); 1756 return; 1757 } 1758 1759 if (rte_eth_dev_attach(identifier, &pi)) 1760 return; 1761 1762 socket_id = (unsigned)rte_eth_dev_socket_id(pi); 1763 /* if socket_id is invalid, set to 0 */ 1764 if (check_socket_id(socket_id) < 0) 1765 socket_id = 0; 1766 reconfig(pi, socket_id); 1767 rte_eth_promiscuous_enable(pi); 1768 1769 nb_ports = rte_eth_dev_count(); 1770 1771 ports[pi].port_status = RTE_PORT_STOPPED; 1772 1773 printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports); 1774 printf("Done\n"); 1775 } 1776 1777 void 1778 detach_port(portid_t port_id) 1779 { 1780 char name[RTE_ETH_NAME_MAX_LEN]; 1781 1782 printf("Detaching a port...\n"); 1783 1784 if (!port_is_closed(port_id)) { 1785 printf("Please close port first\n"); 1786 return; 1787 } 1788 1789 if (ports[port_id].flow_list) 1790 port_flow_flush(port_id); 1791 1792 if (rte_eth_dev_detach(port_id, name)) { 1793 TESTPMD_LOG(ERR, "Failed to detach port '%s'\n", name); 1794 return; 1795 } 1796 1797 nb_ports = rte_eth_dev_count(); 1798 1799 printf("Port '%s' is detached. Now total ports is %d\n", 1800 name, nb_ports); 1801 printf("Done\n"); 1802 return; 1803 } 1804 1805 void 1806 pmd_test_exit(void) 1807 { 1808 portid_t pt_id; 1809 1810 if (test_done == 0) 1811 stop_packet_forwarding(); 1812 1813 if (ports != NULL) { 1814 no_link_check = 1; 1815 RTE_ETH_FOREACH_DEV(pt_id) { 1816 printf("\nShutting down port %d...\n", pt_id); 1817 fflush(stdout); 1818 stop_port(pt_id); 1819 close_port(pt_id); 1820 } 1821 } 1822 printf("\nBye...\n"); 1823 } 1824 1825 typedef void (*cmd_func_t)(void); 1826 struct pmd_test_command { 1827 const char *cmd_name; 1828 cmd_func_t cmd_func; 1829 }; 1830 1831 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 1832 1833 /* Check the link status of all ports in up to 9s, and print them finally */ 1834 static void 1835 check_all_ports_link_status(uint32_t port_mask) 1836 { 1837 #define CHECK_INTERVAL 100 /* 100ms */ 1838 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 1839 portid_t portid; 1840 uint8_t count, all_ports_up, print_flag = 0; 1841 struct rte_eth_link link; 1842 1843 printf("Checking link statuses...\n"); 1844 fflush(stdout); 1845 for (count = 0; count <= MAX_CHECK_TIME; count++) { 1846 all_ports_up = 1; 1847 RTE_ETH_FOREACH_DEV(portid) { 1848 if ((port_mask & (1 << portid)) == 0) 1849 continue; 1850 memset(&link, 0, sizeof(link)); 1851 rte_eth_link_get_nowait(portid, &link); 1852 /* print link status if flag set */ 1853 if (print_flag == 1) { 1854 if (link.link_status) 1855 printf( 1856 "Port%d Link Up. speed %u Mbps- %s\n", 1857 portid, link.link_speed, 1858 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1859 ("full-duplex") : ("half-duplex\n")); 1860 else 1861 printf("Port %d Link Down\n", portid); 1862 continue; 1863 } 1864 /* clear all_ports_up flag if any link down */ 1865 if (link.link_status == ETH_LINK_DOWN) { 1866 all_ports_up = 0; 1867 break; 1868 } 1869 } 1870 /* after finally printing all link status, get out */ 1871 if (print_flag == 1) 1872 break; 1873 1874 if (all_ports_up == 0) { 1875 fflush(stdout); 1876 rte_delay_ms(CHECK_INTERVAL); 1877 } 1878 1879 /* set the print_flag if all ports up or timeout */ 1880 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 1881 print_flag = 1; 1882 } 1883 1884 if (lsc_interrupt) 1885 break; 1886 } 1887 } 1888 1889 static void 1890 rmv_event_callback(void *arg) 1891 { 1892 struct rte_eth_dev *dev; 1893 portid_t port_id = (intptr_t)arg; 1894 1895 RTE_ETH_VALID_PORTID_OR_RET(port_id); 1896 dev = &rte_eth_devices[port_id]; 1897 1898 stop_port(port_id); 1899 close_port(port_id); 1900 printf("removing device %s\n", dev->device->name); 1901 if (rte_eal_dev_detach(dev->device)) 1902 TESTPMD_LOG(ERR, "Failed to detach device %s\n", 1903 dev->device->name); 1904 } 1905 1906 /* This function is used by the interrupt thread */ 1907 static int 1908 eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param, 1909 void *ret_param) 1910 { 1911 static const char * const event_desc[] = { 1912 [RTE_ETH_EVENT_UNKNOWN] = "Unknown", 1913 [RTE_ETH_EVENT_INTR_LSC] = "LSC", 1914 [RTE_ETH_EVENT_QUEUE_STATE] = "Queue state", 1915 [RTE_ETH_EVENT_INTR_RESET] = "Interrupt reset", 1916 [RTE_ETH_EVENT_VF_MBOX] = "VF Mbox", 1917 [RTE_ETH_EVENT_MACSEC] = "MACsec", 1918 [RTE_ETH_EVENT_INTR_RMV] = "device removal", 1919 [RTE_ETH_EVENT_NEW] = "device probed", 1920 [RTE_ETH_EVENT_DESTROY] = "device released", 1921 [RTE_ETH_EVENT_MAX] = NULL, 1922 }; 1923 1924 RTE_SET_USED(param); 1925 RTE_SET_USED(ret_param); 1926 1927 if (type >= RTE_ETH_EVENT_MAX) { 1928 fprintf(stderr, "\nPort %" PRIu8 ": %s called upon invalid event %d\n", 1929 port_id, __func__, type); 1930 fflush(stderr); 1931 } else if (event_print_mask & (UINT32_C(1) << type)) { 1932 printf("\nPort %" PRIu8 ": %s event\n", port_id, 1933 event_desc[type]); 1934 fflush(stdout); 1935 } 1936 1937 switch (type) { 1938 case RTE_ETH_EVENT_INTR_RMV: 1939 if (rte_eal_alarm_set(100000, 1940 rmv_event_callback, (void *)(intptr_t)port_id)) 1941 fprintf(stderr, "Could not set up deferred device removal\n"); 1942 break; 1943 default: 1944 break; 1945 } 1946 return 0; 1947 } 1948 1949 static int 1950 set_tx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) 1951 { 1952 uint16_t i; 1953 int diag; 1954 uint8_t mapping_found = 0; 1955 1956 for (i = 0; i < nb_tx_queue_stats_mappings; i++) { 1957 if ((tx_queue_stats_mappings[i].port_id == port_id) && 1958 (tx_queue_stats_mappings[i].queue_id < nb_txq )) { 1959 diag = rte_eth_dev_set_tx_queue_stats_mapping(port_id, 1960 tx_queue_stats_mappings[i].queue_id, 1961 tx_queue_stats_mappings[i].stats_counter_id); 1962 if (diag != 0) 1963 return diag; 1964 mapping_found = 1; 1965 } 1966 } 1967 if (mapping_found) 1968 port->tx_queue_stats_mapping_enabled = 1; 1969 return 0; 1970 } 1971 1972 static int 1973 set_rx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) 1974 { 1975 uint16_t i; 1976 int diag; 1977 uint8_t mapping_found = 0; 1978 1979 for (i = 0; i < nb_rx_queue_stats_mappings; i++) { 1980 if ((rx_queue_stats_mappings[i].port_id == port_id) && 1981 (rx_queue_stats_mappings[i].queue_id < nb_rxq )) { 1982 diag = rte_eth_dev_set_rx_queue_stats_mapping(port_id, 1983 rx_queue_stats_mappings[i].queue_id, 1984 rx_queue_stats_mappings[i].stats_counter_id); 1985 if (diag != 0) 1986 return diag; 1987 mapping_found = 1; 1988 } 1989 } 1990 if (mapping_found) 1991 port->rx_queue_stats_mapping_enabled = 1; 1992 return 0; 1993 } 1994 1995 static void 1996 map_port_queue_stats_mapping_registers(portid_t pi, struct rte_port *port) 1997 { 1998 int diag = 0; 1999 2000 diag = set_tx_queue_stats_mapping_registers(pi, port); 2001 if (diag != 0) { 2002 if (diag == -ENOTSUP) { 2003 port->tx_queue_stats_mapping_enabled = 0; 2004 printf("TX queue stats mapping not supported port id=%d\n", pi); 2005 } 2006 else 2007 rte_exit(EXIT_FAILURE, 2008 "set_tx_queue_stats_mapping_registers " 2009 "failed for port id=%d diag=%d\n", 2010 pi, diag); 2011 } 2012 2013 diag = set_rx_queue_stats_mapping_registers(pi, port); 2014 if (diag != 0) { 2015 if (diag == -ENOTSUP) { 2016 port->rx_queue_stats_mapping_enabled = 0; 2017 printf("RX queue stats mapping not supported port id=%d\n", pi); 2018 } 2019 else 2020 rte_exit(EXIT_FAILURE, 2021 "set_rx_queue_stats_mapping_registers " 2022 "failed for port id=%d diag=%d\n", 2023 pi, diag); 2024 } 2025 } 2026 2027 static void 2028 rxtx_port_config(struct rte_port *port) 2029 { 2030 port->rx_conf = port->dev_info.default_rxconf; 2031 port->tx_conf = port->dev_info.default_txconf; 2032 2033 /* Check if any RX/TX parameters have been passed */ 2034 if (rx_pthresh != RTE_PMD_PARAM_UNSET) 2035 port->rx_conf.rx_thresh.pthresh = rx_pthresh; 2036 2037 if (rx_hthresh != RTE_PMD_PARAM_UNSET) 2038 port->rx_conf.rx_thresh.hthresh = rx_hthresh; 2039 2040 if (rx_wthresh != RTE_PMD_PARAM_UNSET) 2041 port->rx_conf.rx_thresh.wthresh = rx_wthresh; 2042 2043 if (rx_free_thresh != RTE_PMD_PARAM_UNSET) 2044 port->rx_conf.rx_free_thresh = rx_free_thresh; 2045 2046 if (rx_drop_en != RTE_PMD_PARAM_UNSET) 2047 port->rx_conf.rx_drop_en = rx_drop_en; 2048 2049 if (tx_pthresh != RTE_PMD_PARAM_UNSET) 2050 port->tx_conf.tx_thresh.pthresh = tx_pthresh; 2051 2052 if (tx_hthresh != RTE_PMD_PARAM_UNSET) 2053 port->tx_conf.tx_thresh.hthresh = tx_hthresh; 2054 2055 if (tx_wthresh != RTE_PMD_PARAM_UNSET) 2056 port->tx_conf.tx_thresh.wthresh = tx_wthresh; 2057 2058 if (tx_rs_thresh != RTE_PMD_PARAM_UNSET) 2059 port->tx_conf.tx_rs_thresh = tx_rs_thresh; 2060 2061 if (tx_free_thresh != RTE_PMD_PARAM_UNSET) 2062 port->tx_conf.tx_free_thresh = tx_free_thresh; 2063 } 2064 2065 void 2066 init_port_config(void) 2067 { 2068 portid_t pid; 2069 struct rte_port *port; 2070 2071 RTE_ETH_FOREACH_DEV(pid) { 2072 port = &ports[pid]; 2073 port->dev_conf.fdir_conf = fdir_conf; 2074 if (nb_rxq > 1) { 2075 port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; 2076 port->dev_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; 2077 } else { 2078 port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; 2079 port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 0; 2080 } 2081 2082 if (port->dcb_flag == 0) { 2083 if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0) 2084 port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_RSS; 2085 else 2086 port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; 2087 } 2088 2089 rxtx_port_config(port); 2090 2091 rte_eth_macaddr_get(pid, &port->eth_addr); 2092 2093 map_port_queue_stats_mapping_registers(pid, port); 2094 #if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS 2095 rte_pmd_ixgbe_bypass_init(pid); 2096 #endif 2097 2098 if (lsc_interrupt && 2099 (rte_eth_devices[pid].data->dev_flags & 2100 RTE_ETH_DEV_INTR_LSC)) 2101 port->dev_conf.intr_conf.lsc = 1; 2102 if (rmv_interrupt && 2103 (rte_eth_devices[pid].data->dev_flags & 2104 RTE_ETH_DEV_INTR_RMV)) 2105 port->dev_conf.intr_conf.rmv = 1; 2106 2107 #if defined RTE_LIBRTE_PMD_SOFTNIC && defined RTE_LIBRTE_SCHED 2108 /* Detect softnic port */ 2109 if (!strcmp(port->dev_info.driver_name, "net_softnic")) { 2110 port->softnic_enable = 1; 2111 memset(&port->softport, 0, sizeof(struct softnic_port)); 2112 2113 if (!strcmp(cur_fwd_eng->fwd_mode_name, "tm")) 2114 port->softport.tm_flag = 1; 2115 } 2116 #endif 2117 } 2118 } 2119 2120 void set_port_slave_flag(portid_t slave_pid) 2121 { 2122 struct rte_port *port; 2123 2124 port = &ports[slave_pid]; 2125 port->slave_flag = 1; 2126 } 2127 2128 void clear_port_slave_flag(portid_t slave_pid) 2129 { 2130 struct rte_port *port; 2131 2132 port = &ports[slave_pid]; 2133 port->slave_flag = 0; 2134 } 2135 2136 uint8_t port_is_bonding_slave(portid_t slave_pid) 2137 { 2138 struct rte_port *port; 2139 2140 port = &ports[slave_pid]; 2141 return port->slave_flag; 2142 } 2143 2144 const uint16_t vlan_tags[] = { 2145 0, 1, 2, 3, 4, 5, 6, 7, 2146 8, 9, 10, 11, 12, 13, 14, 15, 2147 16, 17, 18, 19, 20, 21, 22, 23, 2148 24, 25, 26, 27, 28, 29, 30, 31 2149 }; 2150 2151 static int 2152 get_eth_dcb_conf(struct rte_eth_conf *eth_conf, 2153 enum dcb_mode_enable dcb_mode, 2154 enum rte_eth_nb_tcs num_tcs, 2155 uint8_t pfc_en) 2156 { 2157 uint8_t i; 2158 2159 /* 2160 * Builds up the correct configuration for dcb+vt based on the vlan tags array 2161 * given above, and the number of traffic classes available for use. 2162 */ 2163 if (dcb_mode == DCB_VT_ENABLED) { 2164 struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf = 2165 ð_conf->rx_adv_conf.vmdq_dcb_conf; 2166 struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf = 2167 ð_conf->tx_adv_conf.vmdq_dcb_tx_conf; 2168 2169 /* VMDQ+DCB RX and TX configurations */ 2170 vmdq_rx_conf->enable_default_pool = 0; 2171 vmdq_rx_conf->default_pool = 0; 2172 vmdq_rx_conf->nb_queue_pools = 2173 (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); 2174 vmdq_tx_conf->nb_queue_pools = 2175 (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); 2176 2177 vmdq_rx_conf->nb_pool_maps = vmdq_rx_conf->nb_queue_pools; 2178 for (i = 0; i < vmdq_rx_conf->nb_pool_maps; i++) { 2179 vmdq_rx_conf->pool_map[i].vlan_id = vlan_tags[i]; 2180 vmdq_rx_conf->pool_map[i].pools = 2181 1 << (i % vmdq_rx_conf->nb_queue_pools); 2182 } 2183 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { 2184 vmdq_rx_conf->dcb_tc[i] = i % num_tcs; 2185 vmdq_tx_conf->dcb_tc[i] = i % num_tcs; 2186 } 2187 2188 /* set DCB mode of RX and TX of multiple queues */ 2189 eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB; 2190 eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB; 2191 } else { 2192 struct rte_eth_dcb_rx_conf *rx_conf = 2193 ð_conf->rx_adv_conf.dcb_rx_conf; 2194 struct rte_eth_dcb_tx_conf *tx_conf = 2195 ð_conf->tx_adv_conf.dcb_tx_conf; 2196 2197 rx_conf->nb_tcs = num_tcs; 2198 tx_conf->nb_tcs = num_tcs; 2199 2200 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { 2201 rx_conf->dcb_tc[i] = i % num_tcs; 2202 tx_conf->dcb_tc[i] = i % num_tcs; 2203 } 2204 eth_conf->rxmode.mq_mode = ETH_MQ_RX_DCB_RSS; 2205 eth_conf->rx_adv_conf.rss_conf.rss_hf = rss_hf; 2206 eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB; 2207 } 2208 2209 if (pfc_en) 2210 eth_conf->dcb_capability_en = 2211 ETH_DCB_PG_SUPPORT | ETH_DCB_PFC_SUPPORT; 2212 else 2213 eth_conf->dcb_capability_en = ETH_DCB_PG_SUPPORT; 2214 2215 return 0; 2216 } 2217 2218 int 2219 init_port_dcb_config(portid_t pid, 2220 enum dcb_mode_enable dcb_mode, 2221 enum rte_eth_nb_tcs num_tcs, 2222 uint8_t pfc_en) 2223 { 2224 struct rte_eth_conf port_conf; 2225 struct rte_port *rte_port; 2226 int retval; 2227 uint16_t i; 2228 2229 rte_port = &ports[pid]; 2230 2231 memset(&port_conf, 0, sizeof(struct rte_eth_conf)); 2232 /* Enter DCB configuration status */ 2233 dcb_config = 1; 2234 2235 /*set configuration of DCB in vt mode and DCB in non-vt mode*/ 2236 retval = get_eth_dcb_conf(&port_conf, dcb_mode, num_tcs, pfc_en); 2237 if (retval < 0) 2238 return retval; 2239 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; 2240 2241 /** 2242 * Write the configuration into the device. 2243 * Set the numbers of RX & TX queues to 0, so 2244 * the RX & TX queues will not be setup. 2245 */ 2246 rte_eth_dev_configure(pid, 0, 0, &port_conf); 2247 2248 rte_eth_dev_info_get(pid, &rte_port->dev_info); 2249 2250 /* If dev_info.vmdq_pool_base is greater than 0, 2251 * the queue id of vmdq pools is started after pf queues. 2252 */ 2253 if (dcb_mode == DCB_VT_ENABLED && 2254 rte_port->dev_info.vmdq_pool_base > 0) { 2255 printf("VMDQ_DCB multi-queue mode is nonsensical" 2256 " for port %d.", pid); 2257 return -1; 2258 } 2259 2260 /* Assume the ports in testpmd have the same dcb capability 2261 * and has the same number of rxq and txq in dcb mode 2262 */ 2263 if (dcb_mode == DCB_VT_ENABLED) { 2264 if (rte_port->dev_info.max_vfs > 0) { 2265 nb_rxq = rte_port->dev_info.nb_rx_queues; 2266 nb_txq = rte_port->dev_info.nb_tx_queues; 2267 } else { 2268 nb_rxq = rte_port->dev_info.max_rx_queues; 2269 nb_txq = rte_port->dev_info.max_tx_queues; 2270 } 2271 } else { 2272 /*if vt is disabled, use all pf queues */ 2273 if (rte_port->dev_info.vmdq_pool_base == 0) { 2274 nb_rxq = rte_port->dev_info.max_rx_queues; 2275 nb_txq = rte_port->dev_info.max_tx_queues; 2276 } else { 2277 nb_rxq = (queueid_t)num_tcs; 2278 nb_txq = (queueid_t)num_tcs; 2279 2280 } 2281 } 2282 rx_free_thresh = 64; 2283 2284 memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf)); 2285 2286 rxtx_port_config(rte_port); 2287 /* VLAN filter */ 2288 rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; 2289 for (i = 0; i < RTE_DIM(vlan_tags); i++) 2290 rx_vft_set(pid, vlan_tags[i], 1); 2291 2292 rte_eth_macaddr_get(pid, &rte_port->eth_addr); 2293 map_port_queue_stats_mapping_registers(pid, rte_port); 2294 2295 rte_port->dcb_flag = 1; 2296 2297 return 0; 2298 } 2299 2300 static void 2301 init_port(void) 2302 { 2303 /* Configuration of Ethernet ports. */ 2304 ports = rte_zmalloc("testpmd: ports", 2305 sizeof(struct rte_port) * RTE_MAX_ETHPORTS, 2306 RTE_CACHE_LINE_SIZE); 2307 if (ports == NULL) { 2308 rte_exit(EXIT_FAILURE, 2309 "rte_zmalloc(%d struct rte_port) failed\n", 2310 RTE_MAX_ETHPORTS); 2311 } 2312 } 2313 2314 static void 2315 force_quit(void) 2316 { 2317 pmd_test_exit(); 2318 prompt_exit(); 2319 } 2320 2321 static void 2322 print_stats(void) 2323 { 2324 uint8_t i; 2325 const char clr[] = { 27, '[', '2', 'J', '\0' }; 2326 const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 2327 2328 /* Clear screen and move to top left */ 2329 printf("%s%s", clr, top_left); 2330 2331 printf("\nPort statistics ===================================="); 2332 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 2333 nic_stats_display(fwd_ports_ids[i]); 2334 } 2335 2336 static void 2337 signal_handler(int signum) 2338 { 2339 if (signum == SIGINT || signum == SIGTERM) { 2340 printf("\nSignal %d received, preparing to exit...\n", 2341 signum); 2342 #ifdef RTE_LIBRTE_PDUMP 2343 /* uninitialize packet capture framework */ 2344 rte_pdump_uninit(); 2345 #endif 2346 #ifdef RTE_LIBRTE_LATENCY_STATS 2347 rte_latencystats_uninit(); 2348 #endif 2349 force_quit(); 2350 /* Set flag to indicate the force termination. */ 2351 f_quit = 1; 2352 /* exit with the expected status */ 2353 signal(signum, SIG_DFL); 2354 kill(getpid(), signum); 2355 } 2356 } 2357 2358 int 2359 main(int argc, char** argv) 2360 { 2361 int diag; 2362 portid_t port_id; 2363 2364 signal(SIGINT, signal_handler); 2365 signal(SIGTERM, signal_handler); 2366 2367 diag = rte_eal_init(argc, argv); 2368 if (diag < 0) 2369 rte_panic("Cannot init EAL\n"); 2370 2371 testpmd_logtype = rte_log_register("testpmd"); 2372 if (testpmd_logtype < 0) 2373 rte_panic("Cannot register log type"); 2374 rte_log_set_level(testpmd_logtype, RTE_LOG_DEBUG); 2375 2376 if (mlockall(MCL_CURRENT | MCL_FUTURE)) { 2377 TESTPMD_LOG(NOTICE, "mlockall() failed with error \"%s\"\n", 2378 strerror(errno)); 2379 } 2380 2381 #ifdef RTE_LIBRTE_PDUMP 2382 /* initialize packet capture framework */ 2383 rte_pdump_init(NULL); 2384 #endif 2385 2386 nb_ports = (portid_t) rte_eth_dev_count(); 2387 if (nb_ports == 0) 2388 TESTPMD_LOG(WARNING, "No probed ethernet devices\n"); 2389 2390 /* allocate port structures, and init them */ 2391 init_port(); 2392 2393 set_def_fwd_config(); 2394 if (nb_lcores == 0) 2395 rte_panic("Empty set of forwarding logical cores - check the " 2396 "core mask supplied in the command parameters\n"); 2397 2398 /* Bitrate/latency stats disabled by default */ 2399 #ifdef RTE_LIBRTE_BITRATE 2400 bitrate_enabled = 0; 2401 #endif 2402 #ifdef RTE_LIBRTE_LATENCY_STATS 2403 latencystats_enabled = 0; 2404 #endif 2405 2406 argc -= diag; 2407 argv += diag; 2408 if (argc > 1) 2409 launch_args_parse(argc, argv); 2410 2411 if (tx_first && interactive) 2412 rte_exit(EXIT_FAILURE, "--tx-first cannot be used on " 2413 "interactive mode.\n"); 2414 2415 if (tx_first && lsc_interrupt) { 2416 printf("Warning: lsc_interrupt needs to be off when " 2417 " using tx_first. Disabling.\n"); 2418 lsc_interrupt = 0; 2419 } 2420 2421 if (!nb_rxq && !nb_txq) 2422 printf("Warning: Either rx or tx queues should be non-zero\n"); 2423 2424 if (nb_rxq > 1 && nb_rxq > nb_txq) 2425 printf("Warning: nb_rxq=%d enables RSS configuration, " 2426 "but nb_txq=%d will prevent to fully test it.\n", 2427 nb_rxq, nb_txq); 2428 2429 init_config(); 2430 if (start_port(RTE_PORT_ALL) != 0) 2431 rte_exit(EXIT_FAILURE, "Start ports failed\n"); 2432 2433 /* set all ports to promiscuous mode by default */ 2434 RTE_ETH_FOREACH_DEV(port_id) 2435 rte_eth_promiscuous_enable(port_id); 2436 2437 /* Init metrics library */ 2438 rte_metrics_init(rte_socket_id()); 2439 2440 #ifdef RTE_LIBRTE_LATENCY_STATS 2441 if (latencystats_enabled != 0) { 2442 int ret = rte_latencystats_init(1, NULL); 2443 if (ret) 2444 printf("Warning: latencystats init()" 2445 " returned error %d\n", ret); 2446 printf("Latencystats running on lcore %d\n", 2447 latencystats_lcore_id); 2448 } 2449 #endif 2450 2451 /* Setup bitrate stats */ 2452 #ifdef RTE_LIBRTE_BITRATE 2453 if (bitrate_enabled != 0) { 2454 bitrate_data = rte_stats_bitrate_create(); 2455 if (bitrate_data == NULL) 2456 rte_exit(EXIT_FAILURE, 2457 "Could not allocate bitrate data.\n"); 2458 rte_stats_bitrate_reg(bitrate_data); 2459 } 2460 #endif 2461 2462 #ifdef RTE_LIBRTE_CMDLINE 2463 if (strlen(cmdline_filename) != 0) 2464 cmdline_read_from_file(cmdline_filename); 2465 2466 if (interactive == 1) { 2467 if (auto_start) { 2468 printf("Start automatic packet forwarding\n"); 2469 start_packet_forwarding(0); 2470 } 2471 prompt(); 2472 pmd_test_exit(); 2473 } else 2474 #endif 2475 { 2476 char c; 2477 int rc; 2478 2479 f_quit = 0; 2480 2481 printf("No commandline core given, start packet forwarding\n"); 2482 start_packet_forwarding(tx_first); 2483 if (stats_period != 0) { 2484 uint64_t prev_time = 0, cur_time, diff_time = 0; 2485 uint64_t timer_period; 2486 2487 /* Convert to number of cycles */ 2488 timer_period = stats_period * rte_get_timer_hz(); 2489 2490 while (f_quit == 0) { 2491 cur_time = rte_get_timer_cycles(); 2492 diff_time += cur_time - prev_time; 2493 2494 if (diff_time >= timer_period) { 2495 print_stats(); 2496 /* Reset the timer */ 2497 diff_time = 0; 2498 } 2499 /* Sleep to avoid unnecessary checks */ 2500 prev_time = cur_time; 2501 sleep(1); 2502 } 2503 } 2504 2505 printf("Press enter to exit\n"); 2506 rc = read(0, &c, 1); 2507 pmd_test_exit(); 2508 if (rc < 0) 2509 return 1; 2510 } 2511 2512 return 0; 2513 } 2514