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 #include <stdbool.h> 16 17 #include <sys/queue.h> 18 #include <sys/stat.h> 19 20 #include <stdint.h> 21 #include <unistd.h> 22 #include <inttypes.h> 23 24 #include <rte_common.h> 25 #include <rte_errno.h> 26 #include <rte_byteorder.h> 27 #include <rte_log.h> 28 #include <rte_debug.h> 29 #include <rte_cycles.h> 30 #include <rte_malloc_heap.h> 31 #include <rte_memory.h> 32 #include <rte_memcpy.h> 33 #include <rte_launch.h> 34 #include <rte_eal.h> 35 #include <rte_alarm.h> 36 #include <rte_per_lcore.h> 37 #include <rte_lcore.h> 38 #include <rte_atomic.h> 39 #include <rte_branch_prediction.h> 40 #include <rte_mempool.h> 41 #include <rte_malloc.h> 42 #include <rte_mbuf.h> 43 #include <rte_mbuf_pool_ops.h> 44 #include <rte_interrupts.h> 45 #include <rte_pci.h> 46 #include <rte_ether.h> 47 #include <rte_ethdev.h> 48 #include <rte_dev.h> 49 #include <rte_string_fns.h> 50 #ifdef RTE_LIBRTE_IXGBE_PMD 51 #include <rte_pmd_ixgbe.h> 52 #endif 53 #ifdef RTE_LIBRTE_PDUMP 54 #include <rte_pdump.h> 55 #endif 56 #include <rte_flow.h> 57 #include <rte_metrics.h> 58 #ifdef RTE_LIBRTE_BITRATE 59 #include <rte_bitrate.h> 60 #endif 61 #ifdef RTE_LIBRTE_LATENCY_STATS 62 #include <rte_latencystats.h> 63 #endif 64 65 #include "testpmd.h" 66 67 #ifndef MAP_HUGETLB 68 /* FreeBSD may not have MAP_HUGETLB (in fact, it probably doesn't) */ 69 #define HUGE_FLAG (0x40000) 70 #else 71 #define HUGE_FLAG MAP_HUGETLB 72 #endif 73 74 #ifndef MAP_HUGE_SHIFT 75 /* older kernels (or FreeBSD) will not have this define */ 76 #define HUGE_SHIFT (26) 77 #else 78 #define HUGE_SHIFT MAP_HUGE_SHIFT 79 #endif 80 81 #define EXTMEM_HEAP_NAME "extmem" 82 83 uint16_t verbose_level = 0; /**< Silent by default. */ 84 int testpmd_logtype; /**< Log type for testpmd logs */ 85 86 /* use master core for command line ? */ 87 uint8_t interactive = 0; 88 uint8_t auto_start = 0; 89 uint8_t tx_first; 90 char cmdline_filename[PATH_MAX] = {0}; 91 92 /* 93 * NUMA support configuration. 94 * When set, the NUMA support attempts to dispatch the allocation of the 95 * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the 96 * probed ports among the CPU sockets 0 and 1. 97 * Otherwise, all memory is allocated from CPU socket 0. 98 */ 99 uint8_t numa_support = 1; /**< numa enabled by default */ 100 101 /* 102 * In UMA mode,all memory is allocated from socket 0 if --socket-num is 103 * not configured. 104 */ 105 uint8_t socket_num = UMA_NO_CONFIG; 106 107 /* 108 * Select mempool allocation type: 109 * - native: use regular DPDK memory 110 * - anon: use regular DPDK memory to create mempool, but populate using 111 * anonymous memory (may not be IOVA-contiguous) 112 * - xmem: use externally allocated hugepage memory 113 */ 114 uint8_t mp_alloc_type = MP_ALLOC_NATIVE; 115 116 /* 117 * Store specified sockets on which memory pool to be used by ports 118 * is allocated. 119 */ 120 uint8_t port_numa[RTE_MAX_ETHPORTS]; 121 122 /* 123 * Store specified sockets on which RX ring to be used by ports 124 * is allocated. 125 */ 126 uint8_t rxring_numa[RTE_MAX_ETHPORTS]; 127 128 /* 129 * Store specified sockets on which TX ring to be used by ports 130 * is allocated. 131 */ 132 uint8_t txring_numa[RTE_MAX_ETHPORTS]; 133 134 /* 135 * Record the Ethernet address of peer target ports to which packets are 136 * forwarded. 137 * Must be instantiated with the ethernet addresses of peer traffic generator 138 * ports. 139 */ 140 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; 141 portid_t nb_peer_eth_addrs = 0; 142 143 /* 144 * Probed Target Environment. 145 */ 146 struct rte_port *ports; /**< For all probed ethernet ports. */ 147 portid_t nb_ports; /**< Number of probed ethernet ports. */ 148 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */ 149 lcoreid_t nb_lcores; /**< Number of probed logical cores. */ 150 151 portid_t ports_ids[RTE_MAX_ETHPORTS]; /**< Store all port ids. */ 152 153 /* 154 * Test Forwarding Configuration. 155 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores 156 * nb_fwd_ports <= nb_cfg_ports <= nb_ports 157 */ 158 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */ 159 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */ 160 portid_t nb_cfg_ports; /**< Number of configured ports. */ 161 portid_t nb_fwd_ports; /**< Number of forwarding ports. */ 162 163 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ 164 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ 165 166 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */ 167 streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */ 168 169 /* 170 * Forwarding engines. 171 */ 172 struct fwd_engine * fwd_engines[] = { 173 &io_fwd_engine, 174 &mac_fwd_engine, 175 &mac_swap_engine, 176 &flow_gen_engine, 177 &rx_only_engine, 178 &tx_only_engine, 179 &csum_fwd_engine, 180 &icmp_echo_engine, 181 &noisy_vnf_engine, 182 #if defined RTE_LIBRTE_PMD_SOFTNIC 183 &softnic_fwd_engine, 184 #endif 185 #ifdef RTE_LIBRTE_IEEE1588 186 &ieee1588_fwd_engine, 187 #endif 188 NULL, 189 }; 190 191 struct fwd_config cur_fwd_config; 192 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ 193 uint32_t retry_enabled; 194 uint32_t burst_tx_delay_time = BURST_TX_WAIT_US; 195 uint32_t burst_tx_retry_num = BURST_TX_RETRIES; 196 197 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ 198 uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if 199 * specified on command-line. */ 200 uint16_t stats_period; /**< Period to show statistics (disabled by default) */ 201 202 /* 203 * In container, it cannot terminate the process which running with 'stats-period' 204 * option. Set flag to exit stats period loop after received SIGINT/SIGTERM. 205 */ 206 uint8_t f_quit; 207 208 /* 209 * Configuration of packet segments used by the "txonly" processing engine. 210 */ 211 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ 212 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { 213 TXONLY_DEF_PACKET_LEN, 214 }; 215 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 216 217 enum tx_pkt_split tx_pkt_split = TX_PKT_SPLIT_OFF; 218 /**< Split policy for packets to TX. */ 219 220 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ 221 uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */ 222 223 /* current configuration is in DCB or not,0 means it is not in DCB mode */ 224 uint8_t dcb_config = 0; 225 226 /* Whether the dcb is in testing status */ 227 uint8_t dcb_test = 0; 228 229 /* 230 * Configurable number of RX/TX queues. 231 */ 232 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 233 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 234 235 /* 236 * Configurable number of RX/TX ring descriptors. 237 * Defaults are supplied by drivers via ethdev. 238 */ 239 #define RTE_TEST_RX_DESC_DEFAULT 0 240 #define RTE_TEST_TX_DESC_DEFAULT 0 241 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ 242 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ 243 244 #define RTE_PMD_PARAM_UNSET -1 245 /* 246 * Configurable values of RX and TX ring threshold registers. 247 */ 248 249 int8_t rx_pthresh = RTE_PMD_PARAM_UNSET; 250 int8_t rx_hthresh = RTE_PMD_PARAM_UNSET; 251 int8_t rx_wthresh = RTE_PMD_PARAM_UNSET; 252 253 int8_t tx_pthresh = RTE_PMD_PARAM_UNSET; 254 int8_t tx_hthresh = RTE_PMD_PARAM_UNSET; 255 int8_t tx_wthresh = RTE_PMD_PARAM_UNSET; 256 257 /* 258 * Configurable value of RX free threshold. 259 */ 260 int16_t rx_free_thresh = RTE_PMD_PARAM_UNSET; 261 262 /* 263 * Configurable value of RX drop enable. 264 */ 265 int8_t rx_drop_en = RTE_PMD_PARAM_UNSET; 266 267 /* 268 * Configurable value of TX free threshold. 269 */ 270 int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET; 271 272 /* 273 * Configurable value of TX RS bit threshold. 274 */ 275 int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET; 276 277 /* 278 * Configurable value of buffered packets before sending. 279 */ 280 uint16_t noisy_tx_sw_bufsz; 281 282 /* 283 * Configurable value of packet buffer timeout. 284 */ 285 uint16_t noisy_tx_sw_buf_flush_time; 286 287 /* 288 * Configurable value for size of VNF internal memory area 289 * used for simulating noisy neighbour behaviour 290 */ 291 uint64_t noisy_lkup_mem_sz; 292 293 /* 294 * Configurable value of number of random writes done in 295 * VNF simulation memory area. 296 */ 297 uint64_t noisy_lkup_num_writes; 298 299 /* 300 * Configurable value of number of random reads done in 301 * VNF simulation memory area. 302 */ 303 uint64_t noisy_lkup_num_reads; 304 305 /* 306 * Configurable value of number of random reads/writes done in 307 * VNF simulation memory area. 308 */ 309 uint64_t noisy_lkup_num_reads_writes; 310 311 /* 312 * Receive Side Scaling (RSS) configuration. 313 */ 314 uint64_t rss_hf = ETH_RSS_IP; /* RSS IP by default. */ 315 316 /* 317 * Port topology configuration 318 */ 319 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 320 321 /* 322 * Avoids to flush all the RX streams before starts forwarding. 323 */ 324 uint8_t no_flush_rx = 0; /* flush by default */ 325 326 /* 327 * Flow API isolated mode. 328 */ 329 uint8_t flow_isolate_all; 330 331 /* 332 * Avoids to check link status when starting/stopping a port. 333 */ 334 uint8_t no_link_check = 0; /* check by default */ 335 336 /* 337 * Enable link status change notification 338 */ 339 uint8_t lsc_interrupt = 1; /* enabled by default */ 340 341 /* 342 * Enable device removal notification. 343 */ 344 uint8_t rmv_interrupt = 1; /* enabled by default */ 345 346 uint8_t hot_plug = 0; /**< hotplug disabled by default. */ 347 348 /* 349 * Display or mask ether events 350 * Default to all events except VF_MBOX 351 */ 352 uint32_t event_print_mask = (UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN) | 353 (UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC) | 354 (UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE) | 355 (UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET) | 356 (UINT32_C(1) << RTE_ETH_EVENT_IPSEC) | 357 (UINT32_C(1) << RTE_ETH_EVENT_MACSEC) | 358 (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV); 359 /* 360 * Decide if all memory are locked for performance. 361 */ 362 int do_mlockall = 0; 363 364 /* 365 * NIC bypass mode configuration options. 366 */ 367 368 #if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS 369 /* The NIC bypass watchdog timeout. */ 370 uint32_t bypass_timeout = RTE_PMD_IXGBE_BYPASS_TMT_OFF; 371 #endif 372 373 374 #ifdef RTE_LIBRTE_LATENCY_STATS 375 376 /* 377 * Set when latency stats is enabled in the commandline 378 */ 379 uint8_t latencystats_enabled; 380 381 /* 382 * Lcore ID to serive latency statistics. 383 */ 384 lcoreid_t latencystats_lcore_id = -1; 385 386 #endif 387 388 /* 389 * Ethernet device configuration. 390 */ 391 struct rte_eth_rxmode rx_mode = { 392 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 393 }; 394 395 struct rte_eth_txmode tx_mode = { 396 .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE, 397 }; 398 399 struct rte_fdir_conf fdir_conf = { 400 .mode = RTE_FDIR_MODE_NONE, 401 .pballoc = RTE_FDIR_PBALLOC_64K, 402 .status = RTE_FDIR_REPORT_STATUS, 403 .mask = { 404 .vlan_tci_mask = 0xFFEF, 405 .ipv4_mask = { 406 .src_ip = 0xFFFFFFFF, 407 .dst_ip = 0xFFFFFFFF, 408 }, 409 .ipv6_mask = { 410 .src_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, 411 .dst_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}, 412 }, 413 .src_port_mask = 0xFFFF, 414 .dst_port_mask = 0xFFFF, 415 .mac_addr_byte_mask = 0xFF, 416 .tunnel_type_mask = 1, 417 .tunnel_id_mask = 0xFFFFFFFF, 418 }, 419 .drop_queue = 127, 420 }; 421 422 volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 423 424 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS]; 425 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS]; 426 427 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array; 428 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array; 429 430 uint16_t nb_tx_queue_stats_mappings = 0; 431 uint16_t nb_rx_queue_stats_mappings = 0; 432 433 /* 434 * Display zero values by default for xstats 435 */ 436 uint8_t xstats_hide_zero; 437 438 unsigned int num_sockets = 0; 439 unsigned int socket_ids[RTE_MAX_NUMA_NODES]; 440 441 #ifdef RTE_LIBRTE_BITRATE 442 /* Bitrate statistics */ 443 struct rte_stats_bitrates *bitrate_data; 444 lcoreid_t bitrate_lcore_id; 445 uint8_t bitrate_enabled; 446 #endif 447 448 struct gro_status gro_ports[RTE_MAX_ETHPORTS]; 449 uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES; 450 451 struct vxlan_encap_conf vxlan_encap_conf = { 452 .select_ipv4 = 1, 453 .select_vlan = 0, 454 .vni = "\x00\x00\x00", 455 .udp_src = 0, 456 .udp_dst = RTE_BE16(4789), 457 .ipv4_src = IPv4(127, 0, 0, 1), 458 .ipv4_dst = IPv4(255, 255, 255, 255), 459 .ipv6_src = "\x00\x00\x00\x00\x00\x00\x00\x00" 460 "\x00\x00\x00\x00\x00\x00\x00\x01", 461 .ipv6_dst = "\x00\x00\x00\x00\x00\x00\x00\x00" 462 "\x00\x00\x00\x00\x00\x00\x11\x11", 463 .vlan_tci = 0, 464 .eth_src = "\x00\x00\x00\x00\x00\x00", 465 .eth_dst = "\xff\xff\xff\xff\xff\xff", 466 }; 467 468 struct nvgre_encap_conf nvgre_encap_conf = { 469 .select_ipv4 = 1, 470 .select_vlan = 0, 471 .tni = "\x00\x00\x00", 472 .ipv4_src = IPv4(127, 0, 0, 1), 473 .ipv4_dst = IPv4(255, 255, 255, 255), 474 .ipv6_src = "\x00\x00\x00\x00\x00\x00\x00\x00" 475 "\x00\x00\x00\x00\x00\x00\x00\x01", 476 .ipv6_dst = "\x00\x00\x00\x00\x00\x00\x00\x00" 477 "\x00\x00\x00\x00\x00\x00\x11\x11", 478 .vlan_tci = 0, 479 .eth_src = "\x00\x00\x00\x00\x00\x00", 480 .eth_dst = "\xff\xff\xff\xff\xff\xff", 481 }; 482 483 /* Forward function declarations */ 484 static void map_port_queue_stats_mapping_registers(portid_t pi, 485 struct rte_port *port); 486 static void check_all_ports_link_status(uint32_t port_mask); 487 static int eth_event_callback(portid_t port_id, 488 enum rte_eth_event_type type, 489 void *param, void *ret_param); 490 static void eth_dev_event_callback(char *device_name, 491 enum rte_dev_event_type type, 492 void *param); 493 static int eth_dev_event_callback_register(void); 494 static int eth_dev_event_callback_unregister(void); 495 496 497 /* 498 * Check if all the ports are started. 499 * If yes, return positive value. If not, return zero. 500 */ 501 static int all_ports_started(void); 502 503 struct gso_status gso_ports[RTE_MAX_ETHPORTS]; 504 uint16_t gso_max_segment_size = ETHER_MAX_LEN - ETHER_CRC_LEN; 505 506 /* 507 * Helper function to check if socket is already discovered. 508 * If yes, return positive value. If not, return zero. 509 */ 510 int 511 new_socket_id(unsigned int socket_id) 512 { 513 unsigned int i; 514 515 for (i = 0; i < num_sockets; i++) { 516 if (socket_ids[i] == socket_id) 517 return 0; 518 } 519 return 1; 520 } 521 522 /* 523 * Setup default configuration. 524 */ 525 static void 526 set_default_fwd_lcores_config(void) 527 { 528 unsigned int i; 529 unsigned int nb_lc; 530 unsigned int sock_num; 531 532 nb_lc = 0; 533 for (i = 0; i < RTE_MAX_LCORE; i++) { 534 if (!rte_lcore_is_enabled(i)) 535 continue; 536 sock_num = rte_lcore_to_socket_id(i); 537 if (new_socket_id(sock_num)) { 538 if (num_sockets >= RTE_MAX_NUMA_NODES) { 539 rte_exit(EXIT_FAILURE, 540 "Total sockets greater than %u\n", 541 RTE_MAX_NUMA_NODES); 542 } 543 socket_ids[num_sockets++] = sock_num; 544 } 545 if (i == rte_get_master_lcore()) 546 continue; 547 fwd_lcores_cpuids[nb_lc++] = i; 548 } 549 nb_lcores = (lcoreid_t) nb_lc; 550 nb_cfg_lcores = nb_lcores; 551 nb_fwd_lcores = 1; 552 } 553 554 static void 555 set_def_peer_eth_addrs(void) 556 { 557 portid_t i; 558 559 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 560 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 561 peer_eth_addrs[i].addr_bytes[5] = i; 562 } 563 } 564 565 static void 566 set_default_fwd_ports_config(void) 567 { 568 portid_t pt_id; 569 int i = 0; 570 571 RTE_ETH_FOREACH_DEV(pt_id) 572 fwd_ports_ids[i++] = pt_id; 573 574 nb_cfg_ports = nb_ports; 575 nb_fwd_ports = nb_ports; 576 } 577 578 void 579 set_def_fwd_config(void) 580 { 581 set_default_fwd_lcores_config(); 582 set_def_peer_eth_addrs(); 583 set_default_fwd_ports_config(); 584 } 585 586 /* extremely pessimistic estimation of memory required to create a mempool */ 587 static int 588 calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out) 589 { 590 unsigned int n_pages, mbuf_per_pg, leftover; 591 uint64_t total_mem, mbuf_mem, obj_sz; 592 593 /* there is no good way to predict how much space the mempool will 594 * occupy because it will allocate chunks on the fly, and some of those 595 * will come from default DPDK memory while some will come from our 596 * external memory, so just assume 128MB will be enough for everyone. 597 */ 598 uint64_t hdr_mem = 128 << 20; 599 600 /* account for possible non-contiguousness */ 601 obj_sz = rte_mempool_calc_obj_size(mbuf_sz, 0, NULL); 602 if (obj_sz > pgsz) { 603 TESTPMD_LOG(ERR, "Object size is bigger than page size\n"); 604 return -1; 605 } 606 607 mbuf_per_pg = pgsz / obj_sz; 608 leftover = (nb_mbufs % mbuf_per_pg) > 0; 609 n_pages = (nb_mbufs / mbuf_per_pg) + leftover; 610 611 mbuf_mem = n_pages * pgsz; 612 613 total_mem = RTE_ALIGN(hdr_mem + mbuf_mem, pgsz); 614 615 if (total_mem > SIZE_MAX) { 616 TESTPMD_LOG(ERR, "Memory size too big\n"); 617 return -1; 618 } 619 *out = (size_t)total_mem; 620 621 return 0; 622 } 623 624 static inline uint32_t 625 bsf64(uint64_t v) 626 { 627 return (uint32_t)__builtin_ctzll(v); 628 } 629 630 static inline uint32_t 631 log2_u64(uint64_t v) 632 { 633 if (v == 0) 634 return 0; 635 v = rte_align64pow2(v); 636 return bsf64(v); 637 } 638 639 static int 640 pagesz_flags(uint64_t page_sz) 641 { 642 /* as per mmap() manpage, all page sizes are log2 of page size 643 * shifted by MAP_HUGE_SHIFT 644 */ 645 int log2 = log2_u64(page_sz); 646 647 return (log2 << HUGE_SHIFT); 648 } 649 650 static void * 651 alloc_mem(size_t memsz, size_t pgsz, bool huge) 652 { 653 void *addr; 654 int flags; 655 656 /* allocate anonymous hugepages */ 657 flags = MAP_ANONYMOUS | MAP_PRIVATE; 658 if (huge) 659 flags |= HUGE_FLAG | pagesz_flags(pgsz); 660 661 addr = mmap(NULL, memsz, PROT_READ | PROT_WRITE, flags, -1, 0); 662 if (addr == MAP_FAILED) 663 return NULL; 664 665 return addr; 666 } 667 668 struct extmem_param { 669 void *addr; 670 size_t len; 671 size_t pgsz; 672 rte_iova_t *iova_table; 673 unsigned int iova_table_len; 674 }; 675 676 static int 677 create_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, struct extmem_param *param, 678 bool huge) 679 { 680 uint64_t pgsizes[] = {RTE_PGSIZE_2M, RTE_PGSIZE_1G, /* x86_64, ARM */ 681 RTE_PGSIZE_16M, RTE_PGSIZE_16G}; /* POWER */ 682 unsigned int cur_page, n_pages, pgsz_idx; 683 size_t mem_sz, cur_pgsz; 684 rte_iova_t *iovas = NULL; 685 void *addr; 686 int ret; 687 688 for (pgsz_idx = 0; pgsz_idx < RTE_DIM(pgsizes); pgsz_idx++) { 689 /* skip anything that is too big */ 690 if (pgsizes[pgsz_idx] > SIZE_MAX) 691 continue; 692 693 cur_pgsz = pgsizes[pgsz_idx]; 694 695 /* if we were told not to allocate hugepages, override */ 696 if (!huge) 697 cur_pgsz = sysconf(_SC_PAGESIZE); 698 699 ret = calc_mem_size(nb_mbufs, mbuf_sz, cur_pgsz, &mem_sz); 700 if (ret < 0) { 701 TESTPMD_LOG(ERR, "Cannot calculate memory size\n"); 702 return -1; 703 } 704 705 /* allocate our memory */ 706 addr = alloc_mem(mem_sz, cur_pgsz, huge); 707 708 /* if we couldn't allocate memory with a specified page size, 709 * that doesn't mean we can't do it with other page sizes, so 710 * try another one. 711 */ 712 if (addr == NULL) 713 continue; 714 715 /* store IOVA addresses for every page in this memory area */ 716 n_pages = mem_sz / cur_pgsz; 717 718 iovas = malloc(sizeof(*iovas) * n_pages); 719 720 if (iovas == NULL) { 721 TESTPMD_LOG(ERR, "Cannot allocate memory for iova addresses\n"); 722 goto fail; 723 } 724 /* lock memory if it's not huge pages */ 725 if (!huge) 726 mlock(addr, mem_sz); 727 728 /* populate IOVA addresses */ 729 for (cur_page = 0; cur_page < n_pages; cur_page++) { 730 rte_iova_t iova; 731 size_t offset; 732 void *cur; 733 734 offset = cur_pgsz * cur_page; 735 cur = RTE_PTR_ADD(addr, offset); 736 737 /* touch the page before getting its IOVA */ 738 *(volatile char *)cur = 0; 739 740 iova = rte_mem_virt2iova(cur); 741 742 iovas[cur_page] = iova; 743 } 744 745 break; 746 } 747 /* if we couldn't allocate anything */ 748 if (iovas == NULL) 749 return -1; 750 751 param->addr = addr; 752 param->len = mem_sz; 753 param->pgsz = cur_pgsz; 754 param->iova_table = iovas; 755 param->iova_table_len = n_pages; 756 757 return 0; 758 fail: 759 if (iovas) 760 free(iovas); 761 if (addr) 762 munmap(addr, mem_sz); 763 764 return -1; 765 } 766 767 static int 768 setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge) 769 { 770 struct extmem_param param; 771 int socket_id, ret; 772 773 memset(¶m, 0, sizeof(param)); 774 775 /* check if our heap exists */ 776 socket_id = rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME); 777 if (socket_id < 0) { 778 /* create our heap */ 779 ret = rte_malloc_heap_create(EXTMEM_HEAP_NAME); 780 if (ret < 0) { 781 TESTPMD_LOG(ERR, "Cannot create heap\n"); 782 return -1; 783 } 784 } 785 786 ret = create_extmem(nb_mbufs, mbuf_sz, ¶m, huge); 787 if (ret < 0) { 788 TESTPMD_LOG(ERR, "Cannot create memory area\n"); 789 return -1; 790 } 791 792 /* we now have a valid memory area, so add it to heap */ 793 ret = rte_malloc_heap_memory_add(EXTMEM_HEAP_NAME, 794 param.addr, param.len, param.iova_table, 795 param.iova_table_len, param.pgsz); 796 797 /* when using VFIO, memory is automatically mapped for DMA by EAL */ 798 799 /* not needed any more */ 800 free(param.iova_table); 801 802 if (ret < 0) { 803 TESTPMD_LOG(ERR, "Cannot add memory to heap\n"); 804 munmap(param.addr, param.len); 805 return -1; 806 } 807 808 /* success */ 809 810 TESTPMD_LOG(DEBUG, "Allocated %zuMB of external memory\n", 811 param.len >> 20); 812 813 return 0; 814 } 815 816 /* 817 * Configuration initialisation done once at init time. 818 */ 819 static void 820 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 821 unsigned int socket_id) 822 { 823 char pool_name[RTE_MEMPOOL_NAMESIZE]; 824 struct rte_mempool *rte_mp = NULL; 825 uint32_t mb_size; 826 827 mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size; 828 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 829 830 TESTPMD_LOG(INFO, 831 "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n", 832 pool_name, nb_mbuf, mbuf_seg_size, socket_id); 833 834 switch (mp_alloc_type) { 835 case MP_ALLOC_NATIVE: 836 { 837 /* wrapper to rte_mempool_create() */ 838 TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n", 839 rte_mbuf_best_mempool_ops()); 840 rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf, 841 mb_mempool_cache, 0, mbuf_seg_size, socket_id); 842 break; 843 } 844 case MP_ALLOC_ANON: 845 { 846 rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf, 847 mb_size, (unsigned int) mb_mempool_cache, 848 sizeof(struct rte_pktmbuf_pool_private), 849 socket_id, 0); 850 if (rte_mp == NULL) 851 goto err; 852 853 if (rte_mempool_populate_anon(rte_mp) == 0) { 854 rte_mempool_free(rte_mp); 855 rte_mp = NULL; 856 goto err; 857 } 858 rte_pktmbuf_pool_init(rte_mp, NULL); 859 rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL); 860 break; 861 } 862 case MP_ALLOC_XMEM: 863 case MP_ALLOC_XMEM_HUGE: 864 { 865 int heap_socket; 866 bool huge = mp_alloc_type == MP_ALLOC_XMEM_HUGE; 867 868 if (setup_extmem(nb_mbuf, mbuf_seg_size, huge) < 0) 869 rte_exit(EXIT_FAILURE, "Could not create external memory\n"); 870 871 heap_socket = 872 rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME); 873 if (heap_socket < 0) 874 rte_exit(EXIT_FAILURE, "Could not get external memory socket ID\n"); 875 876 TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n", 877 rte_mbuf_best_mempool_ops()); 878 rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf, 879 mb_mempool_cache, 0, mbuf_seg_size, 880 heap_socket); 881 break; 882 } 883 default: 884 { 885 rte_exit(EXIT_FAILURE, "Invalid mempool creation mode\n"); 886 } 887 } 888 889 err: 890 if (rte_mp == NULL) { 891 rte_exit(EXIT_FAILURE, 892 "Creation of mbuf pool for socket %u failed: %s\n", 893 socket_id, rte_strerror(rte_errno)); 894 } else if (verbose_level > 0) { 895 rte_mempool_dump(stdout, rte_mp); 896 } 897 } 898 899 /* 900 * Check given socket id is valid or not with NUMA mode, 901 * if valid, return 0, else return -1 902 */ 903 static int 904 check_socket_id(const unsigned int socket_id) 905 { 906 static int warning_once = 0; 907 908 if (new_socket_id(socket_id)) { 909 if (!warning_once && numa_support) 910 printf("Warning: NUMA should be configured manually by" 911 " using --port-numa-config and" 912 " --ring-numa-config parameters along with" 913 " --numa.\n"); 914 warning_once = 1; 915 return -1; 916 } 917 return 0; 918 } 919 920 /* 921 * Get the allowed maximum number of RX queues. 922 * *pid return the port id which has minimal value of 923 * max_rx_queues in all ports. 924 */ 925 queueid_t 926 get_allowed_max_nb_rxq(portid_t *pid) 927 { 928 queueid_t allowed_max_rxq = MAX_QUEUE_ID; 929 portid_t pi; 930 struct rte_eth_dev_info dev_info; 931 932 RTE_ETH_FOREACH_DEV(pi) { 933 rte_eth_dev_info_get(pi, &dev_info); 934 if (dev_info.max_rx_queues < allowed_max_rxq) { 935 allowed_max_rxq = dev_info.max_rx_queues; 936 *pid = pi; 937 } 938 } 939 return allowed_max_rxq; 940 } 941 942 /* 943 * Check input rxq is valid or not. 944 * If input rxq is not greater than any of maximum number 945 * of RX queues of all ports, it is valid. 946 * if valid, return 0, else return -1 947 */ 948 int 949 check_nb_rxq(queueid_t rxq) 950 { 951 queueid_t allowed_max_rxq; 952 portid_t pid = 0; 953 954 allowed_max_rxq = get_allowed_max_nb_rxq(&pid); 955 if (rxq > allowed_max_rxq) { 956 printf("Fail: input rxq (%u) can't be greater " 957 "than max_rx_queues (%u) of port %u\n", 958 rxq, 959 allowed_max_rxq, 960 pid); 961 return -1; 962 } 963 return 0; 964 } 965 966 /* 967 * Get the allowed maximum number of TX queues. 968 * *pid return the port id which has minimal value of 969 * max_tx_queues in all ports. 970 */ 971 queueid_t 972 get_allowed_max_nb_txq(portid_t *pid) 973 { 974 queueid_t allowed_max_txq = MAX_QUEUE_ID; 975 portid_t pi; 976 struct rte_eth_dev_info dev_info; 977 978 RTE_ETH_FOREACH_DEV(pi) { 979 rte_eth_dev_info_get(pi, &dev_info); 980 if (dev_info.max_tx_queues < allowed_max_txq) { 981 allowed_max_txq = dev_info.max_tx_queues; 982 *pid = pi; 983 } 984 } 985 return allowed_max_txq; 986 } 987 988 /* 989 * Check input txq is valid or not. 990 * If input txq is not greater than any of maximum number 991 * of TX queues of all ports, it is valid. 992 * if valid, return 0, else return -1 993 */ 994 int 995 check_nb_txq(queueid_t txq) 996 { 997 queueid_t allowed_max_txq; 998 portid_t pid = 0; 999 1000 allowed_max_txq = get_allowed_max_nb_txq(&pid); 1001 if (txq > allowed_max_txq) { 1002 printf("Fail: input txq (%u) can't be greater " 1003 "than max_tx_queues (%u) of port %u\n", 1004 txq, 1005 allowed_max_txq, 1006 pid); 1007 return -1; 1008 } 1009 return 0; 1010 } 1011 1012 static void 1013 init_config(void) 1014 { 1015 portid_t pid; 1016 struct rte_port *port; 1017 struct rte_mempool *mbp; 1018 unsigned int nb_mbuf_per_pool; 1019 lcoreid_t lc_id; 1020 uint8_t port_per_socket[RTE_MAX_NUMA_NODES]; 1021 struct rte_gro_param gro_param; 1022 uint32_t gso_types; 1023 int k; 1024 1025 memset(port_per_socket,0,RTE_MAX_NUMA_NODES); 1026 1027 if (numa_support) { 1028 memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 1029 memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 1030 memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS); 1031 } 1032 1033 /* Configuration of logical cores. */ 1034 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 1035 sizeof(struct fwd_lcore *) * nb_lcores, 1036 RTE_CACHE_LINE_SIZE); 1037 if (fwd_lcores == NULL) { 1038 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) " 1039 "failed\n", nb_lcores); 1040 } 1041 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 1042 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 1043 sizeof(struct fwd_lcore), 1044 RTE_CACHE_LINE_SIZE); 1045 if (fwd_lcores[lc_id] == NULL) { 1046 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) " 1047 "failed\n"); 1048 } 1049 fwd_lcores[lc_id]->cpuid_idx = lc_id; 1050 } 1051 1052 RTE_ETH_FOREACH_DEV(pid) { 1053 port = &ports[pid]; 1054 /* Apply default TxRx configuration for all ports */ 1055 port->dev_conf.txmode = tx_mode; 1056 port->dev_conf.rxmode = rx_mode; 1057 rte_eth_dev_info_get(pid, &port->dev_info); 1058 1059 if (!(port->dev_info.tx_offload_capa & 1060 DEV_TX_OFFLOAD_MBUF_FAST_FREE)) 1061 port->dev_conf.txmode.offloads &= 1062 ~DEV_TX_OFFLOAD_MBUF_FAST_FREE; 1063 if (numa_support) { 1064 if (port_numa[pid] != NUMA_NO_CONFIG) 1065 port_per_socket[port_numa[pid]]++; 1066 else { 1067 uint32_t socket_id = rte_eth_dev_socket_id(pid); 1068 1069 /* if socket_id is invalid, set to 0 */ 1070 if (check_socket_id(socket_id) < 0) 1071 socket_id = 0; 1072 port_per_socket[socket_id]++; 1073 } 1074 } 1075 1076 /* Apply Rx offloads configuration */ 1077 for (k = 0; k < port->dev_info.max_rx_queues; k++) 1078 port->rx_conf[k].offloads = 1079 port->dev_conf.rxmode.offloads; 1080 /* Apply Tx offloads configuration */ 1081 for (k = 0; k < port->dev_info.max_tx_queues; k++) 1082 port->tx_conf[k].offloads = 1083 port->dev_conf.txmode.offloads; 1084 1085 /* set flag to initialize port/queue */ 1086 port->need_reconfig = 1; 1087 port->need_reconfig_queues = 1; 1088 } 1089 1090 /* 1091 * Create pools of mbuf. 1092 * If NUMA support is disabled, create a single pool of mbuf in 1093 * socket 0 memory by default. 1094 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 1095 * 1096 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and 1097 * nb_txd can be configured at run time. 1098 */ 1099 if (param_total_num_mbufs) 1100 nb_mbuf_per_pool = param_total_num_mbufs; 1101 else { 1102 nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + 1103 (nb_lcores * mb_mempool_cache) + 1104 RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST; 1105 nb_mbuf_per_pool *= RTE_MAX_ETHPORTS; 1106 } 1107 1108 if (numa_support) { 1109 uint8_t i; 1110 1111 for (i = 0; i < num_sockets; i++) 1112 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1113 socket_ids[i]); 1114 } else { 1115 if (socket_num == UMA_NO_CONFIG) 1116 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 1117 else 1118 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1119 socket_num); 1120 } 1121 1122 init_port_config(); 1123 1124 gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO | 1125 DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO; 1126 /* 1127 * Records which Mbuf pool to use by each logical core, if needed. 1128 */ 1129 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 1130 mbp = mbuf_pool_find( 1131 rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id])); 1132 1133 if (mbp == NULL) 1134 mbp = mbuf_pool_find(0); 1135 fwd_lcores[lc_id]->mbp = mbp; 1136 /* initialize GSO context */ 1137 fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp; 1138 fwd_lcores[lc_id]->gso_ctx.indirect_pool = mbp; 1139 fwd_lcores[lc_id]->gso_ctx.gso_types = gso_types; 1140 fwd_lcores[lc_id]->gso_ctx.gso_size = ETHER_MAX_LEN - 1141 ETHER_CRC_LEN; 1142 fwd_lcores[lc_id]->gso_ctx.flag = 0; 1143 } 1144 1145 /* Configuration of packet forwarding streams. */ 1146 if (init_fwd_streams() < 0) 1147 rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n"); 1148 1149 fwd_config_setup(); 1150 1151 /* create a gro context for each lcore */ 1152 gro_param.gro_types = RTE_GRO_TCP_IPV4; 1153 gro_param.max_flow_num = GRO_MAX_FLUSH_CYCLES; 1154 gro_param.max_item_per_flow = MAX_PKT_BURST; 1155 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 1156 gro_param.socket_id = rte_lcore_to_socket_id( 1157 fwd_lcores_cpuids[lc_id]); 1158 fwd_lcores[lc_id]->gro_ctx = rte_gro_ctx_create(&gro_param); 1159 if (fwd_lcores[lc_id]->gro_ctx == NULL) { 1160 rte_exit(EXIT_FAILURE, 1161 "rte_gro_ctx_create() failed\n"); 1162 } 1163 } 1164 1165 #if defined RTE_LIBRTE_PMD_SOFTNIC 1166 if (strcmp(cur_fwd_eng->fwd_mode_name, "softnic") == 0) { 1167 RTE_ETH_FOREACH_DEV(pid) { 1168 port = &ports[pid]; 1169 const char *driver = port->dev_info.driver_name; 1170 1171 if (strcmp(driver, "net_softnic") == 0) 1172 port->softport.fwd_lcore_arg = fwd_lcores; 1173 } 1174 } 1175 #endif 1176 1177 } 1178 1179 1180 void 1181 reconfig(portid_t new_port_id, unsigned socket_id) 1182 { 1183 struct rte_port *port; 1184 1185 /* Reconfiguration of Ethernet ports. */ 1186 port = &ports[new_port_id]; 1187 rte_eth_dev_info_get(new_port_id, &port->dev_info); 1188 1189 /* set flag to initialize port/queue */ 1190 port->need_reconfig = 1; 1191 port->need_reconfig_queues = 1; 1192 port->socket_id = socket_id; 1193 1194 init_port_config(); 1195 } 1196 1197 1198 int 1199 init_fwd_streams(void) 1200 { 1201 portid_t pid; 1202 struct rte_port *port; 1203 streamid_t sm_id, nb_fwd_streams_new; 1204 queueid_t q; 1205 1206 /* set socket id according to numa or not */ 1207 RTE_ETH_FOREACH_DEV(pid) { 1208 port = &ports[pid]; 1209 if (nb_rxq > port->dev_info.max_rx_queues) { 1210 printf("Fail: nb_rxq(%d) is greater than " 1211 "max_rx_queues(%d)\n", nb_rxq, 1212 port->dev_info.max_rx_queues); 1213 return -1; 1214 } 1215 if (nb_txq > port->dev_info.max_tx_queues) { 1216 printf("Fail: nb_txq(%d) is greater than " 1217 "max_tx_queues(%d)\n", nb_txq, 1218 port->dev_info.max_tx_queues); 1219 return -1; 1220 } 1221 if (numa_support) { 1222 if (port_numa[pid] != NUMA_NO_CONFIG) 1223 port->socket_id = port_numa[pid]; 1224 else { 1225 port->socket_id = rte_eth_dev_socket_id(pid); 1226 1227 /* if socket_id is invalid, set to 0 */ 1228 if (check_socket_id(port->socket_id) < 0) 1229 port->socket_id = 0; 1230 } 1231 } 1232 else { 1233 if (socket_num == UMA_NO_CONFIG) 1234 port->socket_id = 0; 1235 else 1236 port->socket_id = socket_num; 1237 } 1238 } 1239 1240 q = RTE_MAX(nb_rxq, nb_txq); 1241 if (q == 0) { 1242 printf("Fail: Cannot allocate fwd streams as number of queues is 0\n"); 1243 return -1; 1244 } 1245 nb_fwd_streams_new = (streamid_t)(nb_ports * q); 1246 if (nb_fwd_streams_new == nb_fwd_streams) 1247 return 0; 1248 /* clear the old */ 1249 if (fwd_streams != NULL) { 1250 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 1251 if (fwd_streams[sm_id] == NULL) 1252 continue; 1253 rte_free(fwd_streams[sm_id]); 1254 fwd_streams[sm_id] = NULL; 1255 } 1256 rte_free(fwd_streams); 1257 fwd_streams = NULL; 1258 } 1259 1260 /* init new */ 1261 nb_fwd_streams = nb_fwd_streams_new; 1262 if (nb_fwd_streams) { 1263 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 1264 sizeof(struct fwd_stream *) * nb_fwd_streams, 1265 RTE_CACHE_LINE_SIZE); 1266 if (fwd_streams == NULL) 1267 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d" 1268 " (struct fwd_stream *)) failed\n", 1269 nb_fwd_streams); 1270 1271 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 1272 fwd_streams[sm_id] = rte_zmalloc("testpmd:" 1273 " struct fwd_stream", sizeof(struct fwd_stream), 1274 RTE_CACHE_LINE_SIZE); 1275 if (fwd_streams[sm_id] == NULL) 1276 rte_exit(EXIT_FAILURE, "rte_zmalloc" 1277 "(struct fwd_stream) failed\n"); 1278 } 1279 } 1280 1281 return 0; 1282 } 1283 1284 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 1285 static void 1286 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 1287 { 1288 unsigned int total_burst; 1289 unsigned int nb_burst; 1290 unsigned int burst_stats[3]; 1291 uint16_t pktnb_stats[3]; 1292 uint16_t nb_pkt; 1293 int burst_percent[3]; 1294 1295 /* 1296 * First compute the total number of packet bursts and the 1297 * two highest numbers of bursts of the same number of packets. 1298 */ 1299 total_burst = 0; 1300 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 1301 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 1302 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 1303 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 1304 if (nb_burst == 0) 1305 continue; 1306 total_burst += nb_burst; 1307 if (nb_burst > burst_stats[0]) { 1308 burst_stats[1] = burst_stats[0]; 1309 pktnb_stats[1] = pktnb_stats[0]; 1310 burst_stats[0] = nb_burst; 1311 pktnb_stats[0] = nb_pkt; 1312 } else if (nb_burst > burst_stats[1]) { 1313 burst_stats[1] = nb_burst; 1314 pktnb_stats[1] = nb_pkt; 1315 } 1316 } 1317 if (total_burst == 0) 1318 return; 1319 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 1320 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 1321 burst_percent[0], (int) pktnb_stats[0]); 1322 if (burst_stats[0] == total_burst) { 1323 printf("]\n"); 1324 return; 1325 } 1326 if (burst_stats[0] + burst_stats[1] == total_burst) { 1327 printf(" + %d%% of %d pkts]\n", 1328 100 - burst_percent[0], pktnb_stats[1]); 1329 return; 1330 } 1331 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 1332 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 1333 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 1334 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 1335 return; 1336 } 1337 printf(" + %d%% of %d pkts + %d%% of others]\n", 1338 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 1339 } 1340 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 1341 1342 static void 1343 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 1344 { 1345 struct rte_port *port; 1346 uint8_t i; 1347 1348 static const char *fwd_stats_border = "----------------------"; 1349 1350 port = &ports[port_id]; 1351 printf("\n %s Forward statistics for port %-2d %s\n", 1352 fwd_stats_border, port_id, fwd_stats_border); 1353 1354 if ((!port->rx_queue_stats_mapping_enabled) && (!port->tx_queue_stats_mapping_enabled)) { 1355 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 1356 "%-"PRIu64"\n", 1357 stats->ipackets, stats->imissed, 1358 (uint64_t) (stats->ipackets + stats->imissed)); 1359 1360 if (cur_fwd_eng == &csum_fwd_engine) 1361 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64"Bad-outer-l4csum: %-14"PRIu64"\n", 1362 port->rx_bad_ip_csum, port->rx_bad_l4_csum, 1363 port->rx_bad_outer_l4_csum); 1364 if ((stats->ierrors + stats->rx_nombuf) > 0) { 1365 printf(" RX-error: %-"PRIu64"\n", stats->ierrors); 1366 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 1367 } 1368 1369 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 1370 "%-"PRIu64"\n", 1371 stats->opackets, port->tx_dropped, 1372 (uint64_t) (stats->opackets + port->tx_dropped)); 1373 } 1374 else { 1375 printf(" RX-packets: %14"PRIu64" RX-dropped:%14"PRIu64" RX-total:" 1376 "%14"PRIu64"\n", 1377 stats->ipackets, stats->imissed, 1378 (uint64_t) (stats->ipackets + stats->imissed)); 1379 1380 if (cur_fwd_eng == &csum_fwd_engine) 1381 printf(" Bad-ipcsum:%14"PRIu64" Bad-l4csum:%14"PRIu64" Bad-outer-l4csum: %-14"PRIu64"\n", 1382 port->rx_bad_ip_csum, port->rx_bad_l4_csum, 1383 port->rx_bad_outer_l4_csum); 1384 if ((stats->ierrors + stats->rx_nombuf) > 0) { 1385 printf(" RX-error:%"PRIu64"\n", stats->ierrors); 1386 printf(" RX-nombufs: %14"PRIu64"\n", 1387 stats->rx_nombuf); 1388 } 1389 1390 printf(" TX-packets: %14"PRIu64" TX-dropped:%14"PRIu64" TX-total:" 1391 "%14"PRIu64"\n", 1392 stats->opackets, port->tx_dropped, 1393 (uint64_t) (stats->opackets + port->tx_dropped)); 1394 } 1395 1396 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 1397 if (port->rx_stream) 1398 pkt_burst_stats_display("RX", 1399 &port->rx_stream->rx_burst_stats); 1400 if (port->tx_stream) 1401 pkt_burst_stats_display("TX", 1402 &port->tx_stream->tx_burst_stats); 1403 #endif 1404 1405 if (port->rx_queue_stats_mapping_enabled) { 1406 printf("\n"); 1407 for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) { 1408 printf(" Stats reg %2d RX-packets:%14"PRIu64 1409 " RX-errors:%14"PRIu64 1410 " RX-bytes:%14"PRIu64"\n", 1411 i, stats->q_ipackets[i], stats->q_errors[i], stats->q_ibytes[i]); 1412 } 1413 printf("\n"); 1414 } 1415 if (port->tx_queue_stats_mapping_enabled) { 1416 for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) { 1417 printf(" Stats reg %2d TX-packets:%14"PRIu64 1418 " TX-bytes:%14"PRIu64"\n", 1419 i, stats->q_opackets[i], stats->q_obytes[i]); 1420 } 1421 } 1422 1423 printf(" %s--------------------------------%s\n", 1424 fwd_stats_border, fwd_stats_border); 1425 } 1426 1427 static void 1428 fwd_stream_stats_display(streamid_t stream_id) 1429 { 1430 struct fwd_stream *fs; 1431 static const char *fwd_top_stats_border = "-------"; 1432 1433 fs = fwd_streams[stream_id]; 1434 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 1435 (fs->fwd_dropped == 0)) 1436 return; 1437 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 1438 "TX Port=%2d/Queue=%2d %s\n", 1439 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 1440 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 1441 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 1442 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 1443 1444 /* if checksum mode */ 1445 if (cur_fwd_eng == &csum_fwd_engine) { 1446 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: " 1447 "%-14u Rx- bad outer L4 checksum: %-14u\n", 1448 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum, 1449 fs->rx_bad_outer_l4_csum); 1450 } 1451 1452 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 1453 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 1454 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 1455 #endif 1456 } 1457 1458 static void 1459 flush_fwd_rx_queues(void) 1460 { 1461 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 1462 portid_t rxp; 1463 portid_t port_id; 1464 queueid_t rxq; 1465 uint16_t nb_rx; 1466 uint16_t i; 1467 uint8_t j; 1468 uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; 1469 uint64_t timer_period; 1470 1471 /* convert to number of cycles */ 1472 timer_period = rte_get_timer_hz(); /* 1 second timeout */ 1473 1474 for (j = 0; j < 2; j++) { 1475 for (rxp = 0; rxp < cur_fwd_config.nb_fwd_ports; rxp++) { 1476 for (rxq = 0; rxq < nb_rxq; rxq++) { 1477 port_id = fwd_ports_ids[rxp]; 1478 /** 1479 * testpmd can stuck in the below do while loop 1480 * if rte_eth_rx_burst() always returns nonzero 1481 * packets. So timer is added to exit this loop 1482 * after 1sec timer expiry. 1483 */ 1484 prev_tsc = rte_rdtsc(); 1485 do { 1486 nb_rx = rte_eth_rx_burst(port_id, rxq, 1487 pkts_burst, MAX_PKT_BURST); 1488 for (i = 0; i < nb_rx; i++) 1489 rte_pktmbuf_free(pkts_burst[i]); 1490 1491 cur_tsc = rte_rdtsc(); 1492 diff_tsc = cur_tsc - prev_tsc; 1493 timer_tsc += diff_tsc; 1494 } while ((nb_rx > 0) && 1495 (timer_tsc < timer_period)); 1496 timer_tsc = 0; 1497 } 1498 } 1499 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 1500 } 1501 } 1502 1503 static void 1504 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 1505 { 1506 struct fwd_stream **fsm; 1507 streamid_t nb_fs; 1508 streamid_t sm_id; 1509 #ifdef RTE_LIBRTE_BITRATE 1510 uint64_t tics_per_1sec; 1511 uint64_t tics_datum; 1512 uint64_t tics_current; 1513 uint16_t i, cnt_ports; 1514 1515 cnt_ports = nb_ports; 1516 tics_datum = rte_rdtsc(); 1517 tics_per_1sec = rte_get_timer_hz(); 1518 #endif 1519 fsm = &fwd_streams[fc->stream_idx]; 1520 nb_fs = fc->stream_nb; 1521 do { 1522 for (sm_id = 0; sm_id < nb_fs; sm_id++) 1523 (*pkt_fwd)(fsm[sm_id]); 1524 #ifdef RTE_LIBRTE_BITRATE 1525 if (bitrate_enabled != 0 && 1526 bitrate_lcore_id == rte_lcore_id()) { 1527 tics_current = rte_rdtsc(); 1528 if (tics_current - tics_datum >= tics_per_1sec) { 1529 /* Periodic bitrate calculation */ 1530 for (i = 0; i < cnt_ports; i++) 1531 rte_stats_bitrate_calc(bitrate_data, 1532 ports_ids[i]); 1533 tics_datum = tics_current; 1534 } 1535 } 1536 #endif 1537 #ifdef RTE_LIBRTE_LATENCY_STATS 1538 if (latencystats_enabled != 0 && 1539 latencystats_lcore_id == rte_lcore_id()) 1540 rte_latencystats_update(); 1541 #endif 1542 1543 } while (! fc->stopped); 1544 } 1545 1546 static int 1547 start_pkt_forward_on_core(void *fwd_arg) 1548 { 1549 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 1550 cur_fwd_config.fwd_eng->packet_fwd); 1551 return 0; 1552 } 1553 1554 /* 1555 * Run the TXONLY packet forwarding engine to send a single burst of packets. 1556 * Used to start communication flows in network loopback test configurations. 1557 */ 1558 static int 1559 run_one_txonly_burst_on_core(void *fwd_arg) 1560 { 1561 struct fwd_lcore *fwd_lc; 1562 struct fwd_lcore tmp_lcore; 1563 1564 fwd_lc = (struct fwd_lcore *) fwd_arg; 1565 tmp_lcore = *fwd_lc; 1566 tmp_lcore.stopped = 1; 1567 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 1568 return 0; 1569 } 1570 1571 /* 1572 * Launch packet forwarding: 1573 * - Setup per-port forwarding context. 1574 * - launch logical cores with their forwarding configuration. 1575 */ 1576 static void 1577 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 1578 { 1579 port_fwd_begin_t port_fwd_begin; 1580 unsigned int i; 1581 unsigned int lc_id; 1582 int diag; 1583 1584 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 1585 if (port_fwd_begin != NULL) { 1586 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1587 (*port_fwd_begin)(fwd_ports_ids[i]); 1588 } 1589 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 1590 lc_id = fwd_lcores_cpuids[i]; 1591 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 1592 fwd_lcores[i]->stopped = 0; 1593 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 1594 fwd_lcores[i], lc_id); 1595 if (diag != 0) 1596 printf("launch lcore %u failed - diag=%d\n", 1597 lc_id, diag); 1598 } 1599 } 1600 } 1601 1602 /* 1603 * Update the forward ports list. 1604 */ 1605 void 1606 update_fwd_ports(portid_t new_pid) 1607 { 1608 unsigned int i; 1609 unsigned int new_nb_fwd_ports = 0; 1610 int move = 0; 1611 1612 for (i = 0; i < nb_fwd_ports; ++i) { 1613 if (port_id_is_invalid(fwd_ports_ids[i], DISABLED_WARN)) 1614 move = 1; 1615 else if (move) 1616 fwd_ports_ids[new_nb_fwd_ports++] = fwd_ports_ids[i]; 1617 else 1618 new_nb_fwd_ports++; 1619 } 1620 if (new_pid < RTE_MAX_ETHPORTS) 1621 fwd_ports_ids[new_nb_fwd_ports++] = new_pid; 1622 1623 nb_fwd_ports = new_nb_fwd_ports; 1624 nb_cfg_ports = new_nb_fwd_ports; 1625 } 1626 1627 /* 1628 * Launch packet forwarding configuration. 1629 */ 1630 void 1631 start_packet_forwarding(int with_tx_first) 1632 { 1633 port_fwd_begin_t port_fwd_begin; 1634 port_fwd_end_t port_fwd_end; 1635 struct rte_port *port; 1636 unsigned int i; 1637 portid_t pt_id; 1638 streamid_t sm_id; 1639 1640 if (strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") == 0 && !nb_rxq) 1641 rte_exit(EXIT_FAILURE, "rxq are 0, cannot use rxonly fwd mode\n"); 1642 1643 if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 && !nb_txq) 1644 rte_exit(EXIT_FAILURE, "txq are 0, cannot use txonly fwd mode\n"); 1645 1646 if ((strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") != 0 && 1647 strcmp(cur_fwd_eng->fwd_mode_name, "txonly") != 0) && 1648 (!nb_rxq || !nb_txq)) 1649 rte_exit(EXIT_FAILURE, 1650 "Either rxq or txq are 0, cannot use %s fwd mode\n", 1651 cur_fwd_eng->fwd_mode_name); 1652 1653 if (all_ports_started() == 0) { 1654 printf("Not all ports were started\n"); 1655 return; 1656 } 1657 if (test_done == 0) { 1658 printf("Packet forwarding already started\n"); 1659 return; 1660 } 1661 1662 1663 if(dcb_test) { 1664 for (i = 0; i < nb_fwd_ports; i++) { 1665 pt_id = fwd_ports_ids[i]; 1666 port = &ports[pt_id]; 1667 if (!port->dcb_flag) { 1668 printf("In DCB mode, all forwarding ports must " 1669 "be configured in this mode.\n"); 1670 return; 1671 } 1672 } 1673 if (nb_fwd_lcores == 1) { 1674 printf("In DCB mode,the nb forwarding cores " 1675 "should be larger than 1.\n"); 1676 return; 1677 } 1678 } 1679 test_done = 0; 1680 1681 fwd_config_setup(); 1682 1683 if(!no_flush_rx) 1684 flush_fwd_rx_queues(); 1685 1686 pkt_fwd_config_display(&cur_fwd_config); 1687 rxtx_config_display(); 1688 1689 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1690 pt_id = fwd_ports_ids[i]; 1691 port = &ports[pt_id]; 1692 rte_eth_stats_get(pt_id, &port->stats); 1693 port->tx_dropped = 0; 1694 1695 map_port_queue_stats_mapping_registers(pt_id, port); 1696 } 1697 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 1698 fwd_streams[sm_id]->rx_packets = 0; 1699 fwd_streams[sm_id]->tx_packets = 0; 1700 fwd_streams[sm_id]->fwd_dropped = 0; 1701 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 1702 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 1703 fwd_streams[sm_id]->rx_bad_outer_l4_csum = 0; 1704 1705 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 1706 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 1707 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 1708 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 1709 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 1710 #endif 1711 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1712 fwd_streams[sm_id]->core_cycles = 0; 1713 #endif 1714 } 1715 if (with_tx_first) { 1716 port_fwd_begin = tx_only_engine.port_fwd_begin; 1717 if (port_fwd_begin != NULL) { 1718 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1719 (*port_fwd_begin)(fwd_ports_ids[i]); 1720 } 1721 while (with_tx_first--) { 1722 launch_packet_forwarding( 1723 run_one_txonly_burst_on_core); 1724 rte_eal_mp_wait_lcore(); 1725 } 1726 port_fwd_end = tx_only_engine.port_fwd_end; 1727 if (port_fwd_end != NULL) { 1728 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 1729 (*port_fwd_end)(fwd_ports_ids[i]); 1730 } 1731 } 1732 launch_packet_forwarding(start_pkt_forward_on_core); 1733 } 1734 1735 void 1736 stop_packet_forwarding(void) 1737 { 1738 struct rte_eth_stats stats; 1739 struct rte_port *port; 1740 port_fwd_end_t port_fwd_end; 1741 int i; 1742 portid_t pt_id; 1743 streamid_t sm_id; 1744 lcoreid_t lc_id; 1745 uint64_t total_recv; 1746 uint64_t total_xmit; 1747 uint64_t total_rx_dropped; 1748 uint64_t total_tx_dropped; 1749 uint64_t total_rx_nombuf; 1750 uint64_t tx_dropped; 1751 uint64_t rx_bad_ip_csum; 1752 uint64_t rx_bad_l4_csum; 1753 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1754 uint64_t fwd_cycles; 1755 #endif 1756 1757 static const char *acc_stats_border = "+++++++++++++++"; 1758 1759 if (test_done) { 1760 printf("Packet forwarding not started\n"); 1761 return; 1762 } 1763 printf("Telling cores to stop..."); 1764 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 1765 fwd_lcores[lc_id]->stopped = 1; 1766 printf("\nWaiting for lcores to finish...\n"); 1767 rte_eal_mp_wait_lcore(); 1768 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 1769 if (port_fwd_end != NULL) { 1770 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1771 pt_id = fwd_ports_ids[i]; 1772 (*port_fwd_end)(pt_id); 1773 } 1774 } 1775 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1776 fwd_cycles = 0; 1777 #endif 1778 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 1779 if (cur_fwd_config.nb_fwd_streams > 1780 cur_fwd_config.nb_fwd_ports) { 1781 fwd_stream_stats_display(sm_id); 1782 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 1783 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 1784 } else { 1785 ports[fwd_streams[sm_id]->tx_port].tx_stream = 1786 fwd_streams[sm_id]; 1787 ports[fwd_streams[sm_id]->rx_port].rx_stream = 1788 fwd_streams[sm_id]; 1789 } 1790 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 1791 tx_dropped = (uint64_t) (tx_dropped + 1792 fwd_streams[sm_id]->fwd_dropped); 1793 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 1794 1795 rx_bad_ip_csum = 1796 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 1797 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 1798 fwd_streams[sm_id]->rx_bad_ip_csum); 1799 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = 1800 rx_bad_ip_csum; 1801 1802 rx_bad_l4_csum = 1803 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 1804 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 1805 fwd_streams[sm_id]->rx_bad_l4_csum); 1806 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = 1807 rx_bad_l4_csum; 1808 1809 ports[fwd_streams[sm_id]->rx_port].rx_bad_outer_l4_csum += 1810 fwd_streams[sm_id]->rx_bad_outer_l4_csum; 1811 1812 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1813 fwd_cycles = (uint64_t) (fwd_cycles + 1814 fwd_streams[sm_id]->core_cycles); 1815 #endif 1816 } 1817 total_recv = 0; 1818 total_xmit = 0; 1819 total_rx_dropped = 0; 1820 total_tx_dropped = 0; 1821 total_rx_nombuf = 0; 1822 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 1823 pt_id = fwd_ports_ids[i]; 1824 1825 port = &ports[pt_id]; 1826 rte_eth_stats_get(pt_id, &stats); 1827 stats.ipackets -= port->stats.ipackets; 1828 port->stats.ipackets = 0; 1829 stats.opackets -= port->stats.opackets; 1830 port->stats.opackets = 0; 1831 stats.ibytes -= port->stats.ibytes; 1832 port->stats.ibytes = 0; 1833 stats.obytes -= port->stats.obytes; 1834 port->stats.obytes = 0; 1835 stats.imissed -= port->stats.imissed; 1836 port->stats.imissed = 0; 1837 stats.oerrors -= port->stats.oerrors; 1838 port->stats.oerrors = 0; 1839 stats.rx_nombuf -= port->stats.rx_nombuf; 1840 port->stats.rx_nombuf = 0; 1841 1842 total_recv += stats.ipackets; 1843 total_xmit += stats.opackets; 1844 total_rx_dropped += stats.imissed; 1845 total_tx_dropped += port->tx_dropped; 1846 total_rx_nombuf += stats.rx_nombuf; 1847 1848 fwd_port_stats_display(pt_id, &stats); 1849 } 1850 1851 printf("\n %s Accumulated forward statistics for all ports" 1852 "%s\n", 1853 acc_stats_border, acc_stats_border); 1854 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 1855 "%-"PRIu64"\n" 1856 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 1857 "%-"PRIu64"\n", 1858 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 1859 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 1860 if (total_rx_nombuf > 0) 1861 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 1862 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 1863 "%s\n", 1864 acc_stats_border, acc_stats_border); 1865 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 1866 if (total_recv > 0) 1867 printf("\n CPU cycles/packet=%u (total cycles=" 1868 "%"PRIu64" / total RX packets=%"PRIu64")\n", 1869 (unsigned int)(fwd_cycles / total_recv), 1870 fwd_cycles, total_recv); 1871 #endif 1872 printf("\nDone.\n"); 1873 test_done = 1; 1874 } 1875 1876 void 1877 dev_set_link_up(portid_t pid) 1878 { 1879 if (rte_eth_dev_set_link_up(pid) < 0) 1880 printf("\nSet link up fail.\n"); 1881 } 1882 1883 void 1884 dev_set_link_down(portid_t pid) 1885 { 1886 if (rte_eth_dev_set_link_down(pid) < 0) 1887 printf("\nSet link down fail.\n"); 1888 } 1889 1890 static int 1891 all_ports_started(void) 1892 { 1893 portid_t pi; 1894 struct rte_port *port; 1895 1896 RTE_ETH_FOREACH_DEV(pi) { 1897 port = &ports[pi]; 1898 /* Check if there is a port which is not started */ 1899 if ((port->port_status != RTE_PORT_STARTED) && 1900 (port->slave_flag == 0)) 1901 return 0; 1902 } 1903 1904 /* No port is not started */ 1905 return 1; 1906 } 1907 1908 int 1909 port_is_stopped(portid_t port_id) 1910 { 1911 struct rte_port *port = &ports[port_id]; 1912 1913 if ((port->port_status != RTE_PORT_STOPPED) && 1914 (port->slave_flag == 0)) 1915 return 0; 1916 return 1; 1917 } 1918 1919 int 1920 all_ports_stopped(void) 1921 { 1922 portid_t pi; 1923 1924 RTE_ETH_FOREACH_DEV(pi) { 1925 if (!port_is_stopped(pi)) 1926 return 0; 1927 } 1928 1929 return 1; 1930 } 1931 1932 int 1933 port_is_started(portid_t port_id) 1934 { 1935 if (port_id_is_invalid(port_id, ENABLED_WARN)) 1936 return 0; 1937 1938 if (ports[port_id].port_status != RTE_PORT_STARTED) 1939 return 0; 1940 1941 return 1; 1942 } 1943 1944 static int 1945 port_is_closed(portid_t port_id) 1946 { 1947 if (port_id_is_invalid(port_id, ENABLED_WARN)) 1948 return 0; 1949 1950 if (ports[port_id].port_status != RTE_PORT_CLOSED) 1951 return 0; 1952 1953 return 1; 1954 } 1955 1956 int 1957 start_port(portid_t pid) 1958 { 1959 int diag, need_check_link_status = -1; 1960 portid_t pi; 1961 queueid_t qi; 1962 struct rte_port *port; 1963 struct ether_addr mac_addr; 1964 enum rte_eth_event_type event_type; 1965 1966 if (port_id_is_invalid(pid, ENABLED_WARN)) 1967 return 0; 1968 1969 if(dcb_config) 1970 dcb_test = 1; 1971 RTE_ETH_FOREACH_DEV(pi) { 1972 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 1973 continue; 1974 1975 need_check_link_status = 0; 1976 port = &ports[pi]; 1977 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED, 1978 RTE_PORT_HANDLING) == 0) { 1979 printf("Port %d is now not stopped\n", pi); 1980 continue; 1981 } 1982 1983 if (port->need_reconfig > 0) { 1984 port->need_reconfig = 0; 1985 1986 if (flow_isolate_all) { 1987 int ret = port_flow_isolate(pi, 1); 1988 if (ret) { 1989 printf("Failed to apply isolated" 1990 " mode on port %d\n", pi); 1991 return -1; 1992 } 1993 } 1994 1995 printf("Configuring Port %d (socket %u)\n", pi, 1996 port->socket_id); 1997 /* configure port */ 1998 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, 1999 &(port->dev_conf)); 2000 if (diag != 0) { 2001 if (rte_atomic16_cmpset(&(port->port_status), 2002 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 2003 printf("Port %d can not be set back " 2004 "to stopped\n", pi); 2005 printf("Fail to configure port %d\n", pi); 2006 /* try to reconfigure port next time */ 2007 port->need_reconfig = 1; 2008 return -1; 2009 } 2010 } 2011 if (port->need_reconfig_queues > 0) { 2012 port->need_reconfig_queues = 0; 2013 /* setup tx queues */ 2014 for (qi = 0; qi < nb_txq; qi++) { 2015 if ((numa_support) && 2016 (txring_numa[pi] != NUMA_NO_CONFIG)) 2017 diag = rte_eth_tx_queue_setup(pi, qi, 2018 port->nb_tx_desc[qi], 2019 txring_numa[pi], 2020 &(port->tx_conf[qi])); 2021 else 2022 diag = rte_eth_tx_queue_setup(pi, qi, 2023 port->nb_tx_desc[qi], 2024 port->socket_id, 2025 &(port->tx_conf[qi])); 2026 2027 if (diag == 0) 2028 continue; 2029 2030 /* Fail to setup tx queue, return */ 2031 if (rte_atomic16_cmpset(&(port->port_status), 2032 RTE_PORT_HANDLING, 2033 RTE_PORT_STOPPED) == 0) 2034 printf("Port %d can not be set back " 2035 "to stopped\n", pi); 2036 printf("Fail to configure port %d tx queues\n", 2037 pi); 2038 /* try to reconfigure queues next time */ 2039 port->need_reconfig_queues = 1; 2040 return -1; 2041 } 2042 for (qi = 0; qi < nb_rxq; qi++) { 2043 /* setup rx queues */ 2044 if ((numa_support) && 2045 (rxring_numa[pi] != NUMA_NO_CONFIG)) { 2046 struct rte_mempool * mp = 2047 mbuf_pool_find(rxring_numa[pi]); 2048 if (mp == NULL) { 2049 printf("Failed to setup RX queue:" 2050 "No mempool allocation" 2051 " on the socket %d\n", 2052 rxring_numa[pi]); 2053 return -1; 2054 } 2055 2056 diag = rte_eth_rx_queue_setup(pi, qi, 2057 port->nb_rx_desc[qi], 2058 rxring_numa[pi], 2059 &(port->rx_conf[qi]), 2060 mp); 2061 } else { 2062 struct rte_mempool *mp = 2063 mbuf_pool_find(port->socket_id); 2064 if (mp == NULL) { 2065 printf("Failed to setup RX queue:" 2066 "No mempool allocation" 2067 " on the socket %d\n", 2068 port->socket_id); 2069 return -1; 2070 } 2071 diag = rte_eth_rx_queue_setup(pi, qi, 2072 port->nb_rx_desc[qi], 2073 port->socket_id, 2074 &(port->rx_conf[qi]), 2075 mp); 2076 } 2077 if (diag == 0) 2078 continue; 2079 2080 /* Fail to setup rx queue, return */ 2081 if (rte_atomic16_cmpset(&(port->port_status), 2082 RTE_PORT_HANDLING, 2083 RTE_PORT_STOPPED) == 0) 2084 printf("Port %d can not be set back " 2085 "to stopped\n", pi); 2086 printf("Fail to configure port %d rx queues\n", 2087 pi); 2088 /* try to reconfigure queues next time */ 2089 port->need_reconfig_queues = 1; 2090 return -1; 2091 } 2092 } 2093 2094 /* start port */ 2095 if (rte_eth_dev_start(pi) < 0) { 2096 printf("Fail to start port %d\n", pi); 2097 2098 /* Fail to setup rx queue, return */ 2099 if (rte_atomic16_cmpset(&(port->port_status), 2100 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 2101 printf("Port %d can not be set back to " 2102 "stopped\n", pi); 2103 continue; 2104 } 2105 2106 if (rte_atomic16_cmpset(&(port->port_status), 2107 RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0) 2108 printf("Port %d can not be set into started\n", pi); 2109 2110 rte_eth_macaddr_get(pi, &mac_addr); 2111 printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi, 2112 mac_addr.addr_bytes[0], mac_addr.addr_bytes[1], 2113 mac_addr.addr_bytes[2], mac_addr.addr_bytes[3], 2114 mac_addr.addr_bytes[4], mac_addr.addr_bytes[5]); 2115 2116 /* at least one port started, need checking link status */ 2117 need_check_link_status = 1; 2118 } 2119 2120 for (event_type = RTE_ETH_EVENT_UNKNOWN; 2121 event_type < RTE_ETH_EVENT_MAX; 2122 event_type++) { 2123 diag = rte_eth_dev_callback_register(RTE_ETH_ALL, 2124 event_type, 2125 eth_event_callback, 2126 NULL); 2127 if (diag) { 2128 printf("Failed to setup even callback for event %d\n", 2129 event_type); 2130 return -1; 2131 } 2132 } 2133 2134 if (need_check_link_status == 1 && !no_link_check) 2135 check_all_ports_link_status(RTE_PORT_ALL); 2136 else if (need_check_link_status == 0) 2137 printf("Please stop the ports first\n"); 2138 2139 printf("Done\n"); 2140 return 0; 2141 } 2142 2143 void 2144 stop_port(portid_t pid) 2145 { 2146 portid_t pi; 2147 struct rte_port *port; 2148 int need_check_link_status = 0; 2149 2150 if (dcb_test) { 2151 dcb_test = 0; 2152 dcb_config = 0; 2153 } 2154 2155 if (port_id_is_invalid(pid, ENABLED_WARN)) 2156 return; 2157 2158 printf("Stopping ports...\n"); 2159 2160 RTE_ETH_FOREACH_DEV(pi) { 2161 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 2162 continue; 2163 2164 if (port_is_forwarding(pi) != 0 && test_done == 0) { 2165 printf("Please remove port %d from forwarding configuration.\n", pi); 2166 continue; 2167 } 2168 2169 if (port_is_bonding_slave(pi)) { 2170 printf("Please remove port %d from bonded device.\n", pi); 2171 continue; 2172 } 2173 2174 port = &ports[pi]; 2175 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED, 2176 RTE_PORT_HANDLING) == 0) 2177 continue; 2178 2179 rte_eth_dev_stop(pi); 2180 2181 if (rte_atomic16_cmpset(&(port->port_status), 2182 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 2183 printf("Port %d can not be set into stopped\n", pi); 2184 need_check_link_status = 1; 2185 } 2186 if (need_check_link_status && !no_link_check) 2187 check_all_ports_link_status(RTE_PORT_ALL); 2188 2189 printf("Done\n"); 2190 } 2191 2192 void 2193 close_port(portid_t pid) 2194 { 2195 portid_t pi; 2196 struct rte_port *port; 2197 2198 if (port_id_is_invalid(pid, ENABLED_WARN)) 2199 return; 2200 2201 printf("Closing ports...\n"); 2202 2203 RTE_ETH_FOREACH_DEV(pi) { 2204 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 2205 continue; 2206 2207 if (port_is_forwarding(pi) != 0 && test_done == 0) { 2208 printf("Please remove port %d from forwarding configuration.\n", pi); 2209 continue; 2210 } 2211 2212 if (port_is_bonding_slave(pi)) { 2213 printf("Please remove port %d from bonded device.\n", pi); 2214 continue; 2215 } 2216 2217 port = &ports[pi]; 2218 if (rte_atomic16_cmpset(&(port->port_status), 2219 RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) { 2220 printf("Port %d is already closed\n", pi); 2221 continue; 2222 } 2223 2224 if (rte_atomic16_cmpset(&(port->port_status), 2225 RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) { 2226 printf("Port %d is now not stopped\n", pi); 2227 continue; 2228 } 2229 2230 if (port->flow_list) 2231 port_flow_flush(pi); 2232 rte_eth_dev_close(pi); 2233 2234 if (rte_atomic16_cmpset(&(port->port_status), 2235 RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0) 2236 printf("Port %d cannot be set to closed\n", pi); 2237 } 2238 2239 printf("Done\n"); 2240 } 2241 2242 void 2243 reset_port(portid_t pid) 2244 { 2245 int diag; 2246 portid_t pi; 2247 struct rte_port *port; 2248 2249 if (port_id_is_invalid(pid, ENABLED_WARN)) 2250 return; 2251 2252 printf("Resetting ports...\n"); 2253 2254 RTE_ETH_FOREACH_DEV(pi) { 2255 if (pid != pi && pid != (portid_t)RTE_PORT_ALL) 2256 continue; 2257 2258 if (port_is_forwarding(pi) != 0 && test_done == 0) { 2259 printf("Please remove port %d from forwarding " 2260 "configuration.\n", pi); 2261 continue; 2262 } 2263 2264 if (port_is_bonding_slave(pi)) { 2265 printf("Please remove port %d from bonded device.\n", 2266 pi); 2267 continue; 2268 } 2269 2270 diag = rte_eth_dev_reset(pi); 2271 if (diag == 0) { 2272 port = &ports[pi]; 2273 port->need_reconfig = 1; 2274 port->need_reconfig_queues = 1; 2275 } else { 2276 printf("Failed to reset port %d. diag=%d\n", pi, diag); 2277 } 2278 } 2279 2280 printf("Done\n"); 2281 } 2282 2283 static int 2284 eth_dev_event_callback_register(void) 2285 { 2286 int ret; 2287 2288 /* register the device event callback */ 2289 ret = rte_dev_event_callback_register(NULL, 2290 eth_dev_event_callback, NULL); 2291 if (ret) { 2292 printf("Failed to register device event callback\n"); 2293 return -1; 2294 } 2295 2296 return 0; 2297 } 2298 2299 2300 static int 2301 eth_dev_event_callback_unregister(void) 2302 { 2303 int ret; 2304 2305 /* unregister the device event callback */ 2306 ret = rte_dev_event_callback_unregister(NULL, 2307 eth_dev_event_callback, NULL); 2308 if (ret < 0) { 2309 printf("Failed to unregister device event callback\n"); 2310 return -1; 2311 } 2312 2313 return 0; 2314 } 2315 2316 void 2317 attach_port(char *identifier) 2318 { 2319 portid_t pi = 0; 2320 unsigned int socket_id; 2321 2322 printf("Attaching a new port...\n"); 2323 2324 if (identifier == NULL) { 2325 printf("Invalid parameters are specified\n"); 2326 return; 2327 } 2328 2329 if (rte_eth_dev_attach(identifier, &pi)) 2330 return; 2331 2332 socket_id = (unsigned)rte_eth_dev_socket_id(pi); 2333 /* if socket_id is invalid, set to 0 */ 2334 if (check_socket_id(socket_id) < 0) 2335 socket_id = 0; 2336 reconfig(pi, socket_id); 2337 rte_eth_promiscuous_enable(pi); 2338 2339 ports_ids[nb_ports] = pi; 2340 nb_ports = rte_eth_dev_count_avail(); 2341 2342 ports[pi].port_status = RTE_PORT_STOPPED; 2343 2344 update_fwd_ports(pi); 2345 2346 printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports); 2347 printf("Done\n"); 2348 } 2349 2350 void 2351 detach_port(portid_t port_id) 2352 { 2353 char name[RTE_ETH_NAME_MAX_LEN]; 2354 uint16_t i; 2355 2356 printf("Detaching a port...\n"); 2357 2358 if (!port_is_closed(port_id)) { 2359 printf("Please close port first\n"); 2360 return; 2361 } 2362 2363 if (ports[port_id].flow_list) 2364 port_flow_flush(port_id); 2365 2366 if (rte_eth_dev_detach(port_id, name)) { 2367 TESTPMD_LOG(ERR, "Failed to detach port %u\n", port_id); 2368 return; 2369 } 2370 2371 for (i = 0; i < nb_ports; i++) { 2372 if (ports_ids[i] == port_id) { 2373 ports_ids[i] = ports_ids[nb_ports-1]; 2374 ports_ids[nb_ports-1] = 0; 2375 break; 2376 } 2377 } 2378 nb_ports = rte_eth_dev_count_avail(); 2379 2380 update_fwd_ports(RTE_MAX_ETHPORTS); 2381 2382 printf("Port %u is detached. Now total ports is %d\n", 2383 port_id, nb_ports); 2384 printf("Done\n"); 2385 return; 2386 } 2387 2388 void 2389 pmd_test_exit(void) 2390 { 2391 struct rte_device *device; 2392 portid_t pt_id; 2393 int ret; 2394 2395 if (test_done == 0) 2396 stop_packet_forwarding(); 2397 2398 if (ports != NULL) { 2399 no_link_check = 1; 2400 RTE_ETH_FOREACH_DEV(pt_id) { 2401 printf("\nShutting down port %d...\n", pt_id); 2402 fflush(stdout); 2403 stop_port(pt_id); 2404 close_port(pt_id); 2405 2406 /* 2407 * This is a workaround to fix a virtio-user issue that 2408 * requires to call clean-up routine to remove existing 2409 * socket. 2410 * This workaround valid only for testpmd, needs a fix 2411 * valid for all applications. 2412 * TODO: Implement proper resource cleanup 2413 */ 2414 device = rte_eth_devices[pt_id].device; 2415 if (device && !strcmp(device->driver->name, "net_virtio_user")) 2416 detach_port(pt_id); 2417 } 2418 } 2419 2420 if (hot_plug) { 2421 ret = rte_dev_event_monitor_stop(); 2422 if (ret) 2423 RTE_LOG(ERR, EAL, 2424 "fail to stop device event monitor."); 2425 2426 ret = eth_dev_event_callback_unregister(); 2427 if (ret) 2428 RTE_LOG(ERR, EAL, 2429 "fail to unregister all event callbacks."); 2430 } 2431 2432 printf("\nBye...\n"); 2433 } 2434 2435 typedef void (*cmd_func_t)(void); 2436 struct pmd_test_command { 2437 const char *cmd_name; 2438 cmd_func_t cmd_func; 2439 }; 2440 2441 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 2442 2443 /* Check the link status of all ports in up to 9s, and print them finally */ 2444 static void 2445 check_all_ports_link_status(uint32_t port_mask) 2446 { 2447 #define CHECK_INTERVAL 100 /* 100ms */ 2448 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 2449 portid_t portid; 2450 uint8_t count, all_ports_up, print_flag = 0; 2451 struct rte_eth_link link; 2452 2453 printf("Checking link statuses...\n"); 2454 fflush(stdout); 2455 for (count = 0; count <= MAX_CHECK_TIME; count++) { 2456 all_ports_up = 1; 2457 RTE_ETH_FOREACH_DEV(portid) { 2458 if ((port_mask & (1 << portid)) == 0) 2459 continue; 2460 memset(&link, 0, sizeof(link)); 2461 rte_eth_link_get_nowait(portid, &link); 2462 /* print link status if flag set */ 2463 if (print_flag == 1) { 2464 if (link.link_status) 2465 printf( 2466 "Port%d Link Up. speed %u Mbps- %s\n", 2467 portid, link.link_speed, 2468 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 2469 ("full-duplex") : ("half-duplex\n")); 2470 else 2471 printf("Port %d Link Down\n", portid); 2472 continue; 2473 } 2474 /* clear all_ports_up flag if any link down */ 2475 if (link.link_status == ETH_LINK_DOWN) { 2476 all_ports_up = 0; 2477 break; 2478 } 2479 } 2480 /* after finally printing all link status, get out */ 2481 if (print_flag == 1) 2482 break; 2483 2484 if (all_ports_up == 0) { 2485 fflush(stdout); 2486 rte_delay_ms(CHECK_INTERVAL); 2487 } 2488 2489 /* set the print_flag if all ports up or timeout */ 2490 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 2491 print_flag = 1; 2492 } 2493 2494 if (lsc_interrupt) 2495 break; 2496 } 2497 } 2498 2499 static void 2500 rmv_event_callback(void *arg) 2501 { 2502 int need_to_start = 0; 2503 int org_no_link_check = no_link_check; 2504 portid_t port_id = (intptr_t)arg; 2505 2506 RTE_ETH_VALID_PORTID_OR_RET(port_id); 2507 2508 if (!test_done && port_is_forwarding(port_id)) { 2509 need_to_start = 1; 2510 stop_packet_forwarding(); 2511 } 2512 no_link_check = 1; 2513 stop_port(port_id); 2514 no_link_check = org_no_link_check; 2515 close_port(port_id); 2516 detach_port(port_id); 2517 if (need_to_start) 2518 start_packet_forwarding(0); 2519 } 2520 2521 /* This function is used by the interrupt thread */ 2522 static int 2523 eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param, 2524 void *ret_param) 2525 { 2526 static const char * const event_desc[] = { 2527 [RTE_ETH_EVENT_UNKNOWN] = "Unknown", 2528 [RTE_ETH_EVENT_INTR_LSC] = "LSC", 2529 [RTE_ETH_EVENT_QUEUE_STATE] = "Queue state", 2530 [RTE_ETH_EVENT_INTR_RESET] = "Interrupt reset", 2531 [RTE_ETH_EVENT_VF_MBOX] = "VF Mbox", 2532 [RTE_ETH_EVENT_IPSEC] = "IPsec", 2533 [RTE_ETH_EVENT_MACSEC] = "MACsec", 2534 [RTE_ETH_EVENT_INTR_RMV] = "device removal", 2535 [RTE_ETH_EVENT_NEW] = "device probed", 2536 [RTE_ETH_EVENT_DESTROY] = "device released", 2537 [RTE_ETH_EVENT_MAX] = NULL, 2538 }; 2539 2540 RTE_SET_USED(param); 2541 RTE_SET_USED(ret_param); 2542 2543 if (type >= RTE_ETH_EVENT_MAX) { 2544 fprintf(stderr, "\nPort %" PRIu16 ": %s called upon invalid event %d\n", 2545 port_id, __func__, type); 2546 fflush(stderr); 2547 } else if (event_print_mask & (UINT32_C(1) << type)) { 2548 printf("\nPort %" PRIu16 ": %s event\n", port_id, 2549 event_desc[type]); 2550 fflush(stdout); 2551 } 2552 2553 if (port_id_is_invalid(port_id, DISABLED_WARN)) 2554 return 0; 2555 2556 switch (type) { 2557 case RTE_ETH_EVENT_INTR_RMV: 2558 if (rte_eal_alarm_set(100000, 2559 rmv_event_callback, (void *)(intptr_t)port_id)) 2560 fprintf(stderr, "Could not set up deferred device removal\n"); 2561 break; 2562 default: 2563 break; 2564 } 2565 return 0; 2566 } 2567 2568 /* This function is used by the interrupt thread */ 2569 static void 2570 eth_dev_event_callback(char *device_name, enum rte_dev_event_type type, 2571 __rte_unused void *arg) 2572 { 2573 if (type >= RTE_DEV_EVENT_MAX) { 2574 fprintf(stderr, "%s called upon invalid event %d\n", 2575 __func__, type); 2576 fflush(stderr); 2577 } 2578 2579 switch (type) { 2580 case RTE_DEV_EVENT_REMOVE: 2581 RTE_LOG(ERR, EAL, "The device: %s has been removed!\n", 2582 device_name); 2583 /* TODO: After finish failure handle, begin to stop 2584 * packet forward, stop port, close port, detach port. 2585 */ 2586 break; 2587 case RTE_DEV_EVENT_ADD: 2588 RTE_LOG(ERR, EAL, "The device: %s has been added!\n", 2589 device_name); 2590 /* TODO: After finish kernel driver binding, 2591 * begin to attach port. 2592 */ 2593 break; 2594 default: 2595 break; 2596 } 2597 } 2598 2599 static int 2600 set_tx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) 2601 { 2602 uint16_t i; 2603 int diag; 2604 uint8_t mapping_found = 0; 2605 2606 for (i = 0; i < nb_tx_queue_stats_mappings; i++) { 2607 if ((tx_queue_stats_mappings[i].port_id == port_id) && 2608 (tx_queue_stats_mappings[i].queue_id < nb_txq )) { 2609 diag = rte_eth_dev_set_tx_queue_stats_mapping(port_id, 2610 tx_queue_stats_mappings[i].queue_id, 2611 tx_queue_stats_mappings[i].stats_counter_id); 2612 if (diag != 0) 2613 return diag; 2614 mapping_found = 1; 2615 } 2616 } 2617 if (mapping_found) 2618 port->tx_queue_stats_mapping_enabled = 1; 2619 return 0; 2620 } 2621 2622 static int 2623 set_rx_queue_stats_mapping_registers(portid_t port_id, struct rte_port *port) 2624 { 2625 uint16_t i; 2626 int diag; 2627 uint8_t mapping_found = 0; 2628 2629 for (i = 0; i < nb_rx_queue_stats_mappings; i++) { 2630 if ((rx_queue_stats_mappings[i].port_id == port_id) && 2631 (rx_queue_stats_mappings[i].queue_id < nb_rxq )) { 2632 diag = rte_eth_dev_set_rx_queue_stats_mapping(port_id, 2633 rx_queue_stats_mappings[i].queue_id, 2634 rx_queue_stats_mappings[i].stats_counter_id); 2635 if (diag != 0) 2636 return diag; 2637 mapping_found = 1; 2638 } 2639 } 2640 if (mapping_found) 2641 port->rx_queue_stats_mapping_enabled = 1; 2642 return 0; 2643 } 2644 2645 static void 2646 map_port_queue_stats_mapping_registers(portid_t pi, struct rte_port *port) 2647 { 2648 int diag = 0; 2649 2650 diag = set_tx_queue_stats_mapping_registers(pi, port); 2651 if (diag != 0) { 2652 if (diag == -ENOTSUP) { 2653 port->tx_queue_stats_mapping_enabled = 0; 2654 printf("TX queue stats mapping not supported port id=%d\n", pi); 2655 } 2656 else 2657 rte_exit(EXIT_FAILURE, 2658 "set_tx_queue_stats_mapping_registers " 2659 "failed for port id=%d diag=%d\n", 2660 pi, diag); 2661 } 2662 2663 diag = set_rx_queue_stats_mapping_registers(pi, port); 2664 if (diag != 0) { 2665 if (diag == -ENOTSUP) { 2666 port->rx_queue_stats_mapping_enabled = 0; 2667 printf("RX queue stats mapping not supported port id=%d\n", pi); 2668 } 2669 else 2670 rte_exit(EXIT_FAILURE, 2671 "set_rx_queue_stats_mapping_registers " 2672 "failed for port id=%d diag=%d\n", 2673 pi, diag); 2674 } 2675 } 2676 2677 static void 2678 rxtx_port_config(struct rte_port *port) 2679 { 2680 uint16_t qid; 2681 2682 for (qid = 0; qid < nb_rxq; qid++) { 2683 port->rx_conf[qid] = port->dev_info.default_rxconf; 2684 2685 /* Check if any Rx parameters have been passed */ 2686 if (rx_pthresh != RTE_PMD_PARAM_UNSET) 2687 port->rx_conf[qid].rx_thresh.pthresh = rx_pthresh; 2688 2689 if (rx_hthresh != RTE_PMD_PARAM_UNSET) 2690 port->rx_conf[qid].rx_thresh.hthresh = rx_hthresh; 2691 2692 if (rx_wthresh != RTE_PMD_PARAM_UNSET) 2693 port->rx_conf[qid].rx_thresh.wthresh = rx_wthresh; 2694 2695 if (rx_free_thresh != RTE_PMD_PARAM_UNSET) 2696 port->rx_conf[qid].rx_free_thresh = rx_free_thresh; 2697 2698 if (rx_drop_en != RTE_PMD_PARAM_UNSET) 2699 port->rx_conf[qid].rx_drop_en = rx_drop_en; 2700 2701 port->nb_rx_desc[qid] = nb_rxd; 2702 } 2703 2704 for (qid = 0; qid < nb_txq; qid++) { 2705 port->tx_conf[qid] = port->dev_info.default_txconf; 2706 2707 /* Check if any Tx parameters have been passed */ 2708 if (tx_pthresh != RTE_PMD_PARAM_UNSET) 2709 port->tx_conf[qid].tx_thresh.pthresh = tx_pthresh; 2710 2711 if (tx_hthresh != RTE_PMD_PARAM_UNSET) 2712 port->tx_conf[qid].tx_thresh.hthresh = tx_hthresh; 2713 2714 if (tx_wthresh != RTE_PMD_PARAM_UNSET) 2715 port->tx_conf[qid].tx_thresh.wthresh = tx_wthresh; 2716 2717 if (tx_rs_thresh != RTE_PMD_PARAM_UNSET) 2718 port->tx_conf[qid].tx_rs_thresh = tx_rs_thresh; 2719 2720 if (tx_free_thresh != RTE_PMD_PARAM_UNSET) 2721 port->tx_conf[qid].tx_free_thresh = tx_free_thresh; 2722 2723 port->nb_tx_desc[qid] = nb_txd; 2724 } 2725 } 2726 2727 void 2728 init_port_config(void) 2729 { 2730 portid_t pid; 2731 struct rte_port *port; 2732 2733 RTE_ETH_FOREACH_DEV(pid) { 2734 port = &ports[pid]; 2735 port->dev_conf.fdir_conf = fdir_conf; 2736 rte_eth_dev_info_get(pid, &port->dev_info); 2737 if (nb_rxq > 1) { 2738 port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; 2739 port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 2740 rss_hf & port->dev_info.flow_type_rss_offloads; 2741 } else { 2742 port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL; 2743 port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 0; 2744 } 2745 2746 if (port->dcb_flag == 0) { 2747 if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0) 2748 port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_RSS; 2749 else 2750 port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; 2751 } 2752 2753 rxtx_port_config(port); 2754 2755 rte_eth_macaddr_get(pid, &port->eth_addr); 2756 2757 map_port_queue_stats_mapping_registers(pid, port); 2758 #if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS 2759 rte_pmd_ixgbe_bypass_init(pid); 2760 #endif 2761 2762 if (lsc_interrupt && 2763 (rte_eth_devices[pid].data->dev_flags & 2764 RTE_ETH_DEV_INTR_LSC)) 2765 port->dev_conf.intr_conf.lsc = 1; 2766 if (rmv_interrupt && 2767 (rte_eth_devices[pid].data->dev_flags & 2768 RTE_ETH_DEV_INTR_RMV)) 2769 port->dev_conf.intr_conf.rmv = 1; 2770 } 2771 } 2772 2773 void set_port_slave_flag(portid_t slave_pid) 2774 { 2775 struct rte_port *port; 2776 2777 port = &ports[slave_pid]; 2778 port->slave_flag = 1; 2779 } 2780 2781 void clear_port_slave_flag(portid_t slave_pid) 2782 { 2783 struct rte_port *port; 2784 2785 port = &ports[slave_pid]; 2786 port->slave_flag = 0; 2787 } 2788 2789 uint8_t port_is_bonding_slave(portid_t slave_pid) 2790 { 2791 struct rte_port *port; 2792 2793 port = &ports[slave_pid]; 2794 if ((rte_eth_devices[slave_pid].data->dev_flags & 2795 RTE_ETH_DEV_BONDED_SLAVE) || (port->slave_flag == 1)) 2796 return 1; 2797 return 0; 2798 } 2799 2800 const uint16_t vlan_tags[] = { 2801 0, 1, 2, 3, 4, 5, 6, 7, 2802 8, 9, 10, 11, 12, 13, 14, 15, 2803 16, 17, 18, 19, 20, 21, 22, 23, 2804 24, 25, 26, 27, 28, 29, 30, 31 2805 }; 2806 2807 static int 2808 get_eth_dcb_conf(portid_t pid, struct rte_eth_conf *eth_conf, 2809 enum dcb_mode_enable dcb_mode, 2810 enum rte_eth_nb_tcs num_tcs, 2811 uint8_t pfc_en) 2812 { 2813 uint8_t i; 2814 int32_t rc; 2815 struct rte_eth_rss_conf rss_conf; 2816 2817 /* 2818 * Builds up the correct configuration for dcb+vt based on the vlan tags array 2819 * given above, and the number of traffic classes available for use. 2820 */ 2821 if (dcb_mode == DCB_VT_ENABLED) { 2822 struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf = 2823 ð_conf->rx_adv_conf.vmdq_dcb_conf; 2824 struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf = 2825 ð_conf->tx_adv_conf.vmdq_dcb_tx_conf; 2826 2827 /* VMDQ+DCB RX and TX configurations */ 2828 vmdq_rx_conf->enable_default_pool = 0; 2829 vmdq_rx_conf->default_pool = 0; 2830 vmdq_rx_conf->nb_queue_pools = 2831 (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); 2832 vmdq_tx_conf->nb_queue_pools = 2833 (num_tcs == ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS); 2834 2835 vmdq_rx_conf->nb_pool_maps = vmdq_rx_conf->nb_queue_pools; 2836 for (i = 0; i < vmdq_rx_conf->nb_pool_maps; i++) { 2837 vmdq_rx_conf->pool_map[i].vlan_id = vlan_tags[i]; 2838 vmdq_rx_conf->pool_map[i].pools = 2839 1 << (i % vmdq_rx_conf->nb_queue_pools); 2840 } 2841 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { 2842 vmdq_rx_conf->dcb_tc[i] = i % num_tcs; 2843 vmdq_tx_conf->dcb_tc[i] = i % num_tcs; 2844 } 2845 2846 /* set DCB mode of RX and TX of multiple queues */ 2847 eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB; 2848 eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB; 2849 } else { 2850 struct rte_eth_dcb_rx_conf *rx_conf = 2851 ð_conf->rx_adv_conf.dcb_rx_conf; 2852 struct rte_eth_dcb_tx_conf *tx_conf = 2853 ð_conf->tx_adv_conf.dcb_tx_conf; 2854 2855 rc = rte_eth_dev_rss_hash_conf_get(pid, &rss_conf); 2856 if (rc != 0) 2857 return rc; 2858 2859 rx_conf->nb_tcs = num_tcs; 2860 tx_conf->nb_tcs = num_tcs; 2861 2862 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) { 2863 rx_conf->dcb_tc[i] = i % num_tcs; 2864 tx_conf->dcb_tc[i] = i % num_tcs; 2865 } 2866 2867 eth_conf->rxmode.mq_mode = ETH_MQ_RX_DCB_RSS; 2868 eth_conf->rx_adv_conf.rss_conf = rss_conf; 2869 eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB; 2870 } 2871 2872 if (pfc_en) 2873 eth_conf->dcb_capability_en = 2874 ETH_DCB_PG_SUPPORT | ETH_DCB_PFC_SUPPORT; 2875 else 2876 eth_conf->dcb_capability_en = ETH_DCB_PG_SUPPORT; 2877 2878 return 0; 2879 } 2880 2881 int 2882 init_port_dcb_config(portid_t pid, 2883 enum dcb_mode_enable dcb_mode, 2884 enum rte_eth_nb_tcs num_tcs, 2885 uint8_t pfc_en) 2886 { 2887 struct rte_eth_conf port_conf; 2888 struct rte_port *rte_port; 2889 int retval; 2890 uint16_t i; 2891 2892 rte_port = &ports[pid]; 2893 2894 memset(&port_conf, 0, sizeof(struct rte_eth_conf)); 2895 /* Enter DCB configuration status */ 2896 dcb_config = 1; 2897 2898 port_conf.rxmode = rte_port->dev_conf.rxmode; 2899 port_conf.txmode = rte_port->dev_conf.txmode; 2900 2901 /*set configuration of DCB in vt mode and DCB in non-vt mode*/ 2902 retval = get_eth_dcb_conf(pid, &port_conf, dcb_mode, num_tcs, pfc_en); 2903 if (retval < 0) 2904 return retval; 2905 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; 2906 2907 /* re-configure the device . */ 2908 rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf); 2909 2910 rte_eth_dev_info_get(pid, &rte_port->dev_info); 2911 2912 /* If dev_info.vmdq_pool_base is greater than 0, 2913 * the queue id of vmdq pools is started after pf queues. 2914 */ 2915 if (dcb_mode == DCB_VT_ENABLED && 2916 rte_port->dev_info.vmdq_pool_base > 0) { 2917 printf("VMDQ_DCB multi-queue mode is nonsensical" 2918 " for port %d.", pid); 2919 return -1; 2920 } 2921 2922 /* Assume the ports in testpmd have the same dcb capability 2923 * and has the same number of rxq and txq in dcb mode 2924 */ 2925 if (dcb_mode == DCB_VT_ENABLED) { 2926 if (rte_port->dev_info.max_vfs > 0) { 2927 nb_rxq = rte_port->dev_info.nb_rx_queues; 2928 nb_txq = rte_port->dev_info.nb_tx_queues; 2929 } else { 2930 nb_rxq = rte_port->dev_info.max_rx_queues; 2931 nb_txq = rte_port->dev_info.max_tx_queues; 2932 } 2933 } else { 2934 /*if vt is disabled, use all pf queues */ 2935 if (rte_port->dev_info.vmdq_pool_base == 0) { 2936 nb_rxq = rte_port->dev_info.max_rx_queues; 2937 nb_txq = rte_port->dev_info.max_tx_queues; 2938 } else { 2939 nb_rxq = (queueid_t)num_tcs; 2940 nb_txq = (queueid_t)num_tcs; 2941 2942 } 2943 } 2944 rx_free_thresh = 64; 2945 2946 memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf)); 2947 2948 rxtx_port_config(rte_port); 2949 /* VLAN filter */ 2950 rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER; 2951 for (i = 0; i < RTE_DIM(vlan_tags); i++) 2952 rx_vft_set(pid, vlan_tags[i], 1); 2953 2954 rte_eth_macaddr_get(pid, &rte_port->eth_addr); 2955 map_port_queue_stats_mapping_registers(pid, rte_port); 2956 2957 rte_port->dcb_flag = 1; 2958 2959 return 0; 2960 } 2961 2962 static void 2963 init_port(void) 2964 { 2965 /* Configuration of Ethernet ports. */ 2966 ports = rte_zmalloc("testpmd: ports", 2967 sizeof(struct rte_port) * RTE_MAX_ETHPORTS, 2968 RTE_CACHE_LINE_SIZE); 2969 if (ports == NULL) { 2970 rte_exit(EXIT_FAILURE, 2971 "rte_zmalloc(%d struct rte_port) failed\n", 2972 RTE_MAX_ETHPORTS); 2973 } 2974 } 2975 2976 static void 2977 force_quit(void) 2978 { 2979 pmd_test_exit(); 2980 prompt_exit(); 2981 } 2982 2983 static void 2984 print_stats(void) 2985 { 2986 uint8_t i; 2987 const char clr[] = { 27, '[', '2', 'J', '\0' }; 2988 const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 2989 2990 /* Clear screen and move to top left */ 2991 printf("%s%s", clr, top_left); 2992 2993 printf("\nPort statistics ===================================="); 2994 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 2995 nic_stats_display(fwd_ports_ids[i]); 2996 } 2997 2998 static void 2999 signal_handler(int signum) 3000 { 3001 if (signum == SIGINT || signum == SIGTERM) { 3002 printf("\nSignal %d received, preparing to exit...\n", 3003 signum); 3004 #ifdef RTE_LIBRTE_PDUMP 3005 /* uninitialize packet capture framework */ 3006 rte_pdump_uninit(); 3007 #endif 3008 #ifdef RTE_LIBRTE_LATENCY_STATS 3009 rte_latencystats_uninit(); 3010 #endif 3011 force_quit(); 3012 /* Set flag to indicate the force termination. */ 3013 f_quit = 1; 3014 /* exit with the expected status */ 3015 signal(signum, SIG_DFL); 3016 kill(getpid(), signum); 3017 } 3018 } 3019 3020 int 3021 main(int argc, char** argv) 3022 { 3023 int diag; 3024 portid_t port_id; 3025 uint16_t count; 3026 int ret; 3027 3028 signal(SIGINT, signal_handler); 3029 signal(SIGTERM, signal_handler); 3030 3031 diag = rte_eal_init(argc, argv); 3032 if (diag < 0) 3033 rte_panic("Cannot init EAL\n"); 3034 3035 testpmd_logtype = rte_log_register("testpmd"); 3036 if (testpmd_logtype < 0) 3037 rte_panic("Cannot register log type"); 3038 rte_log_set_level(testpmd_logtype, RTE_LOG_DEBUG); 3039 3040 #ifdef RTE_LIBRTE_PDUMP 3041 /* initialize packet capture framework */ 3042 rte_pdump_init(NULL); 3043 #endif 3044 3045 count = 0; 3046 RTE_ETH_FOREACH_DEV(port_id) { 3047 ports_ids[count] = port_id; 3048 count++; 3049 } 3050 nb_ports = (portid_t) count; 3051 if (nb_ports == 0) 3052 TESTPMD_LOG(WARNING, "No probed ethernet devices\n"); 3053 3054 /* allocate port structures, and init them */ 3055 init_port(); 3056 3057 set_def_fwd_config(); 3058 if (nb_lcores == 0) 3059 rte_panic("Empty set of forwarding logical cores - check the " 3060 "core mask supplied in the command parameters\n"); 3061 3062 /* Bitrate/latency stats disabled by default */ 3063 #ifdef RTE_LIBRTE_BITRATE 3064 bitrate_enabled = 0; 3065 #endif 3066 #ifdef RTE_LIBRTE_LATENCY_STATS 3067 latencystats_enabled = 0; 3068 #endif 3069 3070 /* on FreeBSD, mlockall() is disabled by default */ 3071 #ifdef RTE_EXEC_ENV_BSDAPP 3072 do_mlockall = 0; 3073 #else 3074 do_mlockall = 1; 3075 #endif 3076 3077 argc -= diag; 3078 argv += diag; 3079 if (argc > 1) 3080 launch_args_parse(argc, argv); 3081 3082 if (do_mlockall && mlockall(MCL_CURRENT | MCL_FUTURE)) { 3083 TESTPMD_LOG(NOTICE, "mlockall() failed with error \"%s\"\n", 3084 strerror(errno)); 3085 } 3086 3087 if (tx_first && interactive) 3088 rte_exit(EXIT_FAILURE, "--tx-first cannot be used on " 3089 "interactive mode.\n"); 3090 3091 if (tx_first && lsc_interrupt) { 3092 printf("Warning: lsc_interrupt needs to be off when " 3093 " using tx_first. Disabling.\n"); 3094 lsc_interrupt = 0; 3095 } 3096 3097 if (!nb_rxq && !nb_txq) 3098 printf("Warning: Either rx or tx queues should be non-zero\n"); 3099 3100 if (nb_rxq > 1 && nb_rxq > nb_txq) 3101 printf("Warning: nb_rxq=%d enables RSS configuration, " 3102 "but nb_txq=%d will prevent to fully test it.\n", 3103 nb_rxq, nb_txq); 3104 3105 init_config(); 3106 3107 if (hot_plug) { 3108 /* enable hot plug monitoring */ 3109 ret = rte_dev_event_monitor_start(); 3110 if (ret) { 3111 rte_errno = EINVAL; 3112 return -1; 3113 } 3114 eth_dev_event_callback_register(); 3115 3116 } 3117 3118 if (start_port(RTE_PORT_ALL) != 0) 3119 rte_exit(EXIT_FAILURE, "Start ports failed\n"); 3120 3121 /* set all ports to promiscuous mode by default */ 3122 RTE_ETH_FOREACH_DEV(port_id) 3123 rte_eth_promiscuous_enable(port_id); 3124 3125 /* Init metrics library */ 3126 rte_metrics_init(rte_socket_id()); 3127 3128 #ifdef RTE_LIBRTE_LATENCY_STATS 3129 if (latencystats_enabled != 0) { 3130 int ret = rte_latencystats_init(1, NULL); 3131 if (ret) 3132 printf("Warning: latencystats init()" 3133 " returned error %d\n", ret); 3134 printf("Latencystats running on lcore %d\n", 3135 latencystats_lcore_id); 3136 } 3137 #endif 3138 3139 /* Setup bitrate stats */ 3140 #ifdef RTE_LIBRTE_BITRATE 3141 if (bitrate_enabled != 0) { 3142 bitrate_data = rte_stats_bitrate_create(); 3143 if (bitrate_data == NULL) 3144 rte_exit(EXIT_FAILURE, 3145 "Could not allocate bitrate data.\n"); 3146 rte_stats_bitrate_reg(bitrate_data); 3147 } 3148 #endif 3149 3150 #ifdef RTE_LIBRTE_CMDLINE 3151 if (strlen(cmdline_filename) != 0) 3152 cmdline_read_from_file(cmdline_filename); 3153 3154 if (interactive == 1) { 3155 if (auto_start) { 3156 printf("Start automatic packet forwarding\n"); 3157 start_packet_forwarding(0); 3158 } 3159 prompt(); 3160 pmd_test_exit(); 3161 } else 3162 #endif 3163 { 3164 char c; 3165 int rc; 3166 3167 f_quit = 0; 3168 3169 printf("No commandline core given, start packet forwarding\n"); 3170 start_packet_forwarding(tx_first); 3171 if (stats_period != 0) { 3172 uint64_t prev_time = 0, cur_time, diff_time = 0; 3173 uint64_t timer_period; 3174 3175 /* Convert to number of cycles */ 3176 timer_period = stats_period * rte_get_timer_hz(); 3177 3178 while (f_quit == 0) { 3179 cur_time = rte_get_timer_cycles(); 3180 diff_time += cur_time - prev_time; 3181 3182 if (diff_time >= timer_period) { 3183 print_stats(); 3184 /* Reset the timer */ 3185 diff_time = 0; 3186 } 3187 /* Sleep to avoid unnecessary checks */ 3188 prev_time = cur_time; 3189 sleep(1); 3190 } 3191 } 3192 3193 printf("Press enter to exit\n"); 3194 rc = read(0, &c, 1); 3195 pmd_test_exit(); 3196 if (rc < 0) 3197 return 1; 3198 } 3199 3200 return 0; 3201 } 3202