1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2018 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <stdint.h> 8 #include <inttypes.h> 9 #include <sys/types.h> 10 #include <string.h> 11 #include <sys/queue.h> 12 #include <stdarg.h> 13 #include <errno.h> 14 #include <getopt.h> 15 #include <unistd.h> 16 #include <signal.h> 17 #include <math.h> 18 19 #include <rte_common.h> 20 #include <rte_byteorder.h> 21 #include <rte_log.h> 22 #include <rte_malloc.h> 23 #include <rte_memory.h> 24 #include <rte_memcpy.h> 25 #include <rte_eal.h> 26 #include <rte_launch.h> 27 #include <rte_atomic.h> 28 #include <rte_cycles.h> 29 #include <rte_prefetch.h> 30 #include <rte_lcore.h> 31 #include <rte_per_lcore.h> 32 #include <rte_branch_prediction.h> 33 #include <rte_interrupts.h> 34 #include <rte_random.h> 35 #include <rte_debug.h> 36 #include <rte_ether.h> 37 #include <rte_ethdev.h> 38 #include <rte_mempool.h> 39 #include <rte_mbuf.h> 40 #include <rte_ip.h> 41 #include <rte_tcp.h> 42 #include <rte_udp.h> 43 #include <rte_string_fns.h> 44 #include <rte_timer.h> 45 #include <rte_power.h> 46 #include <rte_spinlock.h> 47 #include <rte_power_empty_poll.h> 48 #include <rte_metrics.h> 49 50 #include "perf_core.h" 51 #include "main.h" 52 53 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1 54 55 #define MAX_PKT_BURST 32 56 57 #define MIN_ZERO_POLL_COUNT 10 58 59 /* 100 ms interval */ 60 #define TIMER_NUMBER_PER_SECOND 10 61 /* (10ms) */ 62 #define INTERVALS_PER_SECOND 100 63 /* 100000 us */ 64 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND) 65 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25 66 67 #define APP_LOOKUP_EXACT_MATCH 0 68 #define APP_LOOKUP_LPM 1 69 #define DO_RFC_1812_CHECKS 70 71 #ifndef APP_LOOKUP_METHOD 72 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM 73 #endif 74 75 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 76 #include <rte_hash.h> 77 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 78 #include <rte_lpm.h> 79 #else 80 #error "APP_LOOKUP_METHOD set to incorrect value" 81 #endif 82 83 #ifndef IPv6_BYTES 84 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\ 85 "%02x%02x:%02x%02x:%02x%02x:%02x%02x" 86 #define IPv6_BYTES(addr) \ 87 addr[0], addr[1], addr[2], addr[3], \ 88 addr[4], addr[5], addr[6], addr[7], \ 89 addr[8], addr[9], addr[10], addr[11],\ 90 addr[12], addr[13],addr[14], addr[15] 91 #endif 92 93 #define MAX_JUMBO_PKT_LEN 9600 94 95 #define IPV6_ADDR_LEN 16 96 97 #define MEMPOOL_CACHE_SIZE 256 98 99 /* 100 * This expression is used to calculate the number of mbufs needed depending on 101 * user input, taking into account memory for rx and tx hardware rings, cache 102 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that 103 * NB_MBUF never goes below a minimum value of 8192. 104 */ 105 106 #define NB_MBUF RTE_MAX ( \ 107 (nb_ports*nb_rx_queue*nb_rxd + \ 108 nb_ports*nb_lcores*MAX_PKT_BURST + \ 109 nb_ports*n_tx_queue*nb_txd + \ 110 nb_lcores*MEMPOOL_CACHE_SIZE), \ 111 (unsigned)8192) 112 113 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 114 115 #define NB_SOCKETS 8 116 117 /* Configure how many packets ahead to prefetch, when reading packets */ 118 #define PREFETCH_OFFSET 3 119 120 /* 121 * Configurable number of RX/TX ring descriptors 122 */ 123 #define RTE_TEST_RX_DESC_DEFAULT 1024 124 #define RTE_TEST_TX_DESC_DEFAULT 1024 125 126 /* 127 * These two thresholds were decided on by running the training algorithm on 128 * a 2.5GHz Xeon. These defaults can be overridden by supplying non-zero values 129 * for the med_threshold and high_threshold parameters on the command line. 130 */ 131 #define EMPTY_POLL_MED_THRESHOLD 350000UL 132 #define EMPTY_POLL_HGH_THRESHOLD 580000UL 133 134 135 136 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 137 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 138 139 /* ethernet addresses of ports */ 140 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 141 142 /* ethernet addresses of ports */ 143 static rte_spinlock_t locks[RTE_MAX_ETHPORTS]; 144 145 /* mask of enabled ports */ 146 static uint32_t enabled_port_mask = 0; 147 /* Ports set in promiscuous mode off by default. */ 148 static int promiscuous_on = 0; 149 /* NUMA is enabled by default. */ 150 static int numa_on = 1; 151 static bool empty_poll_stop; 152 static bool empty_poll_train; 153 volatile bool quit_signal; 154 static struct ep_params *ep_params; 155 static struct ep_policy policy; 156 static long ep_med_edpi, ep_hgh_edpi; 157 /* timer to update telemetry every 500ms */ 158 static struct rte_timer telemetry_timer; 159 160 /* stats index returned by metrics lib */ 161 int telstats_index; 162 163 struct telstats_name { 164 char name[RTE_ETH_XSTATS_NAME_SIZE]; 165 }; 166 167 /* telemetry stats to be reported */ 168 const struct telstats_name telstats_strings[] = { 169 {"empty_poll"}, 170 {"full_poll"}, 171 {"busy_percent"} 172 }; 173 174 /* core busyness in percentage */ 175 enum busy_rate { 176 ZERO = 0, 177 PARTIAL = 50, 178 FULL = 100 179 }; 180 181 /* reference poll count to measure core busyness */ 182 #define DEFAULT_COUNT 10000 183 /* 184 * reference CYCLES to be used to 185 * measure core busyness based on poll count 186 */ 187 #define MIN_CYCLES 1500000ULL 188 #define MAX_CYCLES 22000000ULL 189 190 /* (500ms) */ 191 #define TELEMETRY_INTERVALS_PER_SEC 2 192 193 static int parse_ptype; /**< Parse packet type using rx callback, and */ 194 /**< disabled by default */ 195 196 enum appmode { 197 APP_MODE_LEGACY = 0, 198 APP_MODE_EMPTY_POLL, 199 APP_MODE_TELEMETRY 200 }; 201 202 enum appmode app_mode; 203 204 enum freq_scale_hint_t 205 { 206 FREQ_LOWER = -1, 207 FREQ_CURRENT = 0, 208 FREQ_HIGHER = 1, 209 FREQ_HIGHEST = 2 210 }; 211 212 struct lcore_rx_queue { 213 uint16_t port_id; 214 uint8_t queue_id; 215 enum freq_scale_hint_t freq_up_hint; 216 uint32_t zero_rx_packet_count; 217 uint32_t idle_hint; 218 } __rte_cache_aligned; 219 220 #define MAX_RX_QUEUE_PER_LCORE 16 221 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 222 #define MAX_RX_QUEUE_PER_PORT 128 223 224 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16 225 226 227 struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 228 static struct lcore_params lcore_params_array_default[] = { 229 {0, 0, 2}, 230 {0, 1, 2}, 231 {0, 2, 2}, 232 {1, 0, 2}, 233 {1, 1, 2}, 234 {1, 2, 2}, 235 {2, 0, 2}, 236 {3, 0, 3}, 237 {3, 1, 3}, 238 }; 239 240 struct lcore_params *lcore_params = lcore_params_array_default; 241 uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / 242 sizeof(lcore_params_array_default[0]); 243 244 static struct rte_eth_conf port_conf = { 245 .rxmode = { 246 .mq_mode = ETH_MQ_RX_RSS, 247 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 248 .split_hdr_size = 0, 249 .offloads = DEV_RX_OFFLOAD_CHECKSUM, 250 }, 251 .rx_adv_conf = { 252 .rss_conf = { 253 .rss_key = NULL, 254 .rss_hf = ETH_RSS_UDP, 255 }, 256 }, 257 .txmode = { 258 .mq_mode = ETH_MQ_TX_NONE, 259 }, 260 .intr_conf = { 261 .rxq = 1, 262 }, 263 }; 264 265 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; 266 267 268 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 269 270 #ifdef RTE_ARCH_X86 271 #include <rte_hash_crc.h> 272 #define DEFAULT_HASH_FUNC rte_hash_crc 273 #else 274 #include <rte_jhash.h> 275 #define DEFAULT_HASH_FUNC rte_jhash 276 #endif 277 278 struct ipv4_5tuple { 279 uint32_t ip_dst; 280 uint32_t ip_src; 281 uint16_t port_dst; 282 uint16_t port_src; 283 uint8_t proto; 284 } __attribute__((__packed__)); 285 286 struct ipv6_5tuple { 287 uint8_t ip_dst[IPV6_ADDR_LEN]; 288 uint8_t ip_src[IPV6_ADDR_LEN]; 289 uint16_t port_dst; 290 uint16_t port_src; 291 uint8_t proto; 292 } __attribute__((__packed__)); 293 294 struct ipv4_l3fwd_route { 295 struct ipv4_5tuple key; 296 uint8_t if_out; 297 }; 298 299 struct ipv6_l3fwd_route { 300 struct ipv6_5tuple key; 301 uint8_t if_out; 302 }; 303 304 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 305 {{RTE_IPV4(100,10,0,1), RTE_IPV4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0}, 306 {{RTE_IPV4(100,20,0,2), RTE_IPV4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1}, 307 {{RTE_IPV4(100,30,0,3), RTE_IPV4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2}, 308 {{RTE_IPV4(100,40,0,4), RTE_IPV4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3}, 309 }; 310 311 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 312 { 313 { 314 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 315 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05}, 316 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 317 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a}, 318 1, 10, IPPROTO_UDP 319 }, 4 320 }, 321 }; 322 323 typedef struct rte_hash lookup_struct_t; 324 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 325 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 326 327 #define L3FWD_HASH_ENTRIES 1024 328 329 #define IPV4_L3FWD_NUM_ROUTES \ 330 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0])) 331 332 #define IPV6_L3FWD_NUM_ROUTES \ 333 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0])) 334 335 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 336 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 337 #endif 338 339 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 340 struct ipv4_l3fwd_route { 341 uint32_t ip; 342 uint8_t depth; 343 uint8_t if_out; 344 }; 345 346 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 347 {RTE_IPV4(1,1,1,0), 24, 0}, 348 {RTE_IPV4(2,1,1,0), 24, 1}, 349 {RTE_IPV4(3,1,1,0), 24, 2}, 350 {RTE_IPV4(4,1,1,0), 24, 3}, 351 {RTE_IPV4(5,1,1,0), 24, 4}, 352 {RTE_IPV4(6,1,1,0), 24, 5}, 353 {RTE_IPV4(7,1,1,0), 24, 6}, 354 {RTE_IPV4(8,1,1,0), 24, 7}, 355 }; 356 357 #define IPV4_L3FWD_NUM_ROUTES \ 358 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0])) 359 360 #define IPV4_L3FWD_LPM_MAX_RULES 1024 361 362 typedef struct rte_lpm lookup_struct_t; 363 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 364 #endif 365 366 struct lcore_conf { 367 uint16_t n_rx_queue; 368 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 369 uint16_t n_tx_port; 370 uint16_t tx_port_id[RTE_MAX_ETHPORTS]; 371 uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; 372 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 373 lookup_struct_t * ipv4_lookup_struct; 374 lookup_struct_t * ipv6_lookup_struct; 375 } __rte_cache_aligned; 376 377 struct lcore_stats { 378 /* total sleep time in ms since last frequency scaling down */ 379 uint32_t sleep_time; 380 /* number of long sleep recently */ 381 uint32_t nb_long_sleep; 382 /* freq. scaling up trend */ 383 uint32_t trend; 384 /* total packet processed recently */ 385 uint64_t nb_rx_processed; 386 /* total iterations looped recently */ 387 uint64_t nb_iteration_looped; 388 /* 389 * Represents empty and non empty polls 390 * of rte_eth_rx_burst(); 391 * ep_nep[0] holds non empty polls 392 * i.e. 0 < nb_rx <= MAX_BURST 393 * ep_nep[1] holds empty polls. 394 * i.e. nb_rx == 0 395 */ 396 uint64_t ep_nep[2]; 397 /* 398 * Represents full and empty+partial 399 * polls of rte_eth_rx_burst(); 400 * ep_nep[0] holds empty+partial polls. 401 * i.e. 0 <= nb_rx < MAX_BURST 402 * ep_nep[1] holds full polls 403 * i.e. nb_rx == MAX_BURST 404 */ 405 uint64_t fp_nfp[2]; 406 enum busy_rate br; 407 rte_spinlock_t telemetry_lock; 408 } __rte_cache_aligned; 409 410 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned; 411 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned; 412 static struct rte_timer power_timers[RTE_MAX_LCORE]; 413 414 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count); 415 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \ 416 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id); 417 418 419 /* 420 * These defaults are using the max frequency index (1), a medium index (9) 421 * and a typical low frequency index (14). These can be adjusted to use 422 * different indexes using the relevant command line parameters. 423 */ 424 static uint8_t freq_tlb[] = {14, 9, 1}; 425 426 static int is_done(void) 427 { 428 return quit_signal; 429 } 430 431 /* exit signal handler */ 432 static void 433 signal_exit_now(int sigtype) 434 { 435 unsigned lcore_id; 436 unsigned int portid; 437 int ret; 438 439 if (sigtype == SIGINT) { 440 if (app_mode == APP_MODE_EMPTY_POLL || 441 app_mode == APP_MODE_TELEMETRY) 442 quit_signal = true; 443 444 445 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 446 if (rte_lcore_is_enabled(lcore_id) == 0) 447 continue; 448 449 /* init power management library */ 450 ret = rte_power_exit(lcore_id); 451 if (ret) 452 rte_exit(EXIT_FAILURE, "Power management " 453 "library de-initialization failed on " 454 "core%u\n", lcore_id); 455 } 456 457 if (app_mode != APP_MODE_EMPTY_POLL) { 458 RTE_ETH_FOREACH_DEV(portid) { 459 if ((enabled_port_mask & (1 << portid)) == 0) 460 continue; 461 462 rte_eth_dev_stop(portid); 463 rte_eth_dev_close(portid); 464 } 465 } 466 } 467 468 if (app_mode != APP_MODE_EMPTY_POLL) 469 rte_exit(EXIT_SUCCESS, "User forced exit\n"); 470 } 471 472 /* Freqency scale down timer callback */ 473 static void 474 power_timer_cb(__attribute__((unused)) struct rte_timer *tim, 475 __attribute__((unused)) void *arg) 476 { 477 uint64_t hz; 478 float sleep_time_ratio; 479 unsigned lcore_id = rte_lcore_id(); 480 481 /* accumulate total execution time in us when callback is invoked */ 482 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) / 483 (float)SCALING_PERIOD; 484 /** 485 * check whether need to scale down frequency a step if it sleep a lot. 486 */ 487 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) { 488 if (rte_power_freq_down) 489 rte_power_freq_down(lcore_id); 490 } 491 else if ( (unsigned)(stats[lcore_id].nb_rx_processed / 492 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) { 493 /** 494 * scale down a step if average packet per iteration less 495 * than expectation. 496 */ 497 if (rte_power_freq_down) 498 rte_power_freq_down(lcore_id); 499 } 500 501 /** 502 * initialize another timer according to current frequency to ensure 503 * timer interval is relatively fixed. 504 */ 505 hz = rte_get_timer_hz(); 506 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND, 507 SINGLE, lcore_id, power_timer_cb, NULL); 508 509 stats[lcore_id].nb_rx_processed = 0; 510 stats[lcore_id].nb_iteration_looped = 0; 511 512 stats[lcore_id].sleep_time = 0; 513 } 514 515 /* Enqueue a single packet, and send burst if queue is filled */ 516 static inline int 517 send_single_packet(struct rte_mbuf *m, uint16_t port) 518 { 519 uint32_t lcore_id; 520 struct lcore_conf *qconf; 521 522 lcore_id = rte_lcore_id(); 523 qconf = &lcore_conf[lcore_id]; 524 525 rte_eth_tx_buffer(port, qconf->tx_queue_id[port], 526 qconf->tx_buffer[port], m); 527 528 return 0; 529 } 530 531 #ifdef DO_RFC_1812_CHECKS 532 static inline int 533 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len) 534 { 535 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */ 536 /* 537 * 1. The packet length reported by the Link Layer must be large 538 * enough to hold the minimum length legal IP datagram (20 bytes). 539 */ 540 if (link_len < sizeof(struct rte_ipv4_hdr)) 541 return -1; 542 543 /* 2. The IP checksum must be correct. */ 544 /* this is checked in H/W */ 545 546 /* 547 * 3. The IP version number must be 4. If the version number is not 4 548 * then the packet may be another version of IP, such as IPng or 549 * ST-II. 550 */ 551 if (((pkt->version_ihl) >> 4) != 4) 552 return -3; 553 /* 554 * 4. The IP header length field must be large enough to hold the 555 * minimum length legal IP datagram (20 bytes = 5 words). 556 */ 557 if ((pkt->version_ihl & 0xf) < 5) 558 return -4; 559 560 /* 561 * 5. The IP total length field must be large enough to hold the IP 562 * datagram header, whose length is specified in the IP header length 563 * field. 564 */ 565 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr)) 566 return -5; 567 568 return 0; 569 } 570 #endif 571 572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 573 static void 574 print_ipv4_key(struct ipv4_5tuple key) 575 { 576 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, " 577 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src, 578 key.port_dst, key.port_src, key.proto); 579 } 580 static void 581 print_ipv6_key(struct ipv6_5tuple key) 582 { 583 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", " 584 "port dst = %d, port src = %d, proto = %d\n", 585 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src), 586 key.port_dst, key.port_src, key.proto); 587 } 588 589 static inline uint16_t 590 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid, 591 lookup_struct_t * ipv4_l3fwd_lookup_struct) 592 { 593 struct ipv4_5tuple key; 594 struct rte_tcp_hdr *tcp; 595 struct rte_udp_hdr *udp; 596 int ret = 0; 597 598 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr); 599 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr); 600 key.proto = ipv4_hdr->next_proto_id; 601 602 switch (ipv4_hdr->next_proto_id) { 603 case IPPROTO_TCP: 604 tcp = (struct rte_tcp_hdr *)((unsigned char *)ipv4_hdr + 605 sizeof(struct rte_ipv4_hdr)); 606 key.port_dst = rte_be_to_cpu_16(tcp->dst_port); 607 key.port_src = rte_be_to_cpu_16(tcp->src_port); 608 break; 609 610 case IPPROTO_UDP: 611 udp = (struct rte_udp_hdr *)((unsigned char *)ipv4_hdr + 612 sizeof(struct rte_ipv4_hdr)); 613 key.port_dst = rte_be_to_cpu_16(udp->dst_port); 614 key.port_src = rte_be_to_cpu_16(udp->src_port); 615 break; 616 617 default: 618 key.port_dst = 0; 619 key.port_src = 0; 620 break; 621 } 622 623 /* Find destination port */ 624 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key); 625 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]); 626 } 627 628 static inline uint16_t 629 get_ipv6_dst_port(struct rte_ipv6_hdr *ipv6_hdr, uint16_t portid, 630 lookup_struct_t *ipv6_l3fwd_lookup_struct) 631 { 632 struct ipv6_5tuple key; 633 struct rte_tcp_hdr *tcp; 634 struct rte_udp_hdr *udp; 635 int ret = 0; 636 637 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN); 638 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN); 639 640 key.proto = ipv6_hdr->proto; 641 642 switch (ipv6_hdr->proto) { 643 case IPPROTO_TCP: 644 tcp = (struct rte_tcp_hdr *)((unsigned char *) ipv6_hdr + 645 sizeof(struct rte_ipv6_hdr)); 646 key.port_dst = rte_be_to_cpu_16(tcp->dst_port); 647 key.port_src = rte_be_to_cpu_16(tcp->src_port); 648 break; 649 650 case IPPROTO_UDP: 651 udp = (struct rte_udp_hdr *)((unsigned char *) ipv6_hdr + 652 sizeof(struct rte_ipv6_hdr)); 653 key.port_dst = rte_be_to_cpu_16(udp->dst_port); 654 key.port_src = rte_be_to_cpu_16(udp->src_port); 655 break; 656 657 default: 658 key.port_dst = 0; 659 key.port_src = 0; 660 break; 661 } 662 663 /* Find destination port */ 664 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key); 665 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]); 666 } 667 #endif 668 669 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 670 static inline uint16_t 671 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid, 672 lookup_struct_t *ipv4_l3fwd_lookup_struct) 673 { 674 uint32_t next_hop; 675 676 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct, 677 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)? 678 next_hop : portid); 679 } 680 #endif 681 682 static inline void 683 parse_ptype_one(struct rte_mbuf *m) 684 { 685 struct rte_ether_hdr *eth_hdr; 686 uint32_t packet_type = RTE_PTYPE_UNKNOWN; 687 uint16_t ether_type; 688 689 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 690 ether_type = eth_hdr->ether_type; 691 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) 692 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; 693 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) 694 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; 695 696 m->packet_type = packet_type; 697 } 698 699 static uint16_t 700 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused, 701 struct rte_mbuf *pkts[], uint16_t nb_pkts, 702 uint16_t max_pkts __rte_unused, 703 void *user_param __rte_unused) 704 { 705 unsigned int i; 706 707 for (i = 0; i < nb_pkts; ++i) 708 parse_ptype_one(pkts[i]); 709 710 return nb_pkts; 711 } 712 713 static int 714 add_cb_parse_ptype(uint16_t portid, uint16_t queueid) 715 { 716 printf("Port %d: softly parse packet type info\n", portid); 717 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL)) 718 return 0; 719 720 printf("Failed to add rx callback: port=%d\n", portid); 721 return -1; 722 } 723 724 static inline void 725 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid, 726 struct lcore_conf *qconf) 727 { 728 struct rte_ether_hdr *eth_hdr; 729 struct rte_ipv4_hdr *ipv4_hdr; 730 void *d_addr_bytes; 731 uint16_t dst_port; 732 733 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 734 735 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) { 736 /* Handle IPv4 headers.*/ 737 ipv4_hdr = 738 rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *, 739 sizeof(struct rte_ether_hdr)); 740 741 #ifdef DO_RFC_1812_CHECKS 742 /* Check to make sure the packet is valid (RFC1812) */ 743 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) { 744 rte_pktmbuf_free(m); 745 return; 746 } 747 #endif 748 749 dst_port = get_ipv4_dst_port(ipv4_hdr, portid, 750 qconf->ipv4_lookup_struct); 751 if (dst_port >= RTE_MAX_ETHPORTS || 752 (enabled_port_mask & 1 << dst_port) == 0) 753 dst_port = portid; 754 755 /* 02:00:00:00:00:xx */ 756 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0]; 757 *((uint64_t *)d_addr_bytes) = 758 0x000000000002 + ((uint64_t)dst_port << 40); 759 760 #ifdef DO_RFC_1812_CHECKS 761 /* Update time to live and header checksum */ 762 --(ipv4_hdr->time_to_live); 763 ++(ipv4_hdr->hdr_checksum); 764 #endif 765 766 /* src addr */ 767 rte_ether_addr_copy(&ports_eth_addr[dst_port], 768 ð_hdr->s_addr); 769 770 send_single_packet(m, dst_port); 771 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { 772 /* Handle IPv6 headers.*/ 773 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 774 struct rte_ipv6_hdr *ipv6_hdr; 775 776 ipv6_hdr = 777 rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *, 778 sizeof(struct rte_ether_hdr)); 779 780 dst_port = get_ipv6_dst_port(ipv6_hdr, portid, 781 qconf->ipv6_lookup_struct); 782 783 if (dst_port >= RTE_MAX_ETHPORTS || 784 (enabled_port_mask & 1 << dst_port) == 0) 785 dst_port = portid; 786 787 /* 02:00:00:00:00:xx */ 788 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0]; 789 *((uint64_t *)d_addr_bytes) = 790 0x000000000002 + ((uint64_t)dst_port << 40); 791 792 /* src addr */ 793 rte_ether_addr_copy(&ports_eth_addr[dst_port], 794 ð_hdr->s_addr); 795 796 send_single_packet(m, dst_port); 797 #else 798 /* We don't currently handle IPv6 packets in LPM mode. */ 799 rte_pktmbuf_free(m); 800 #endif 801 } else 802 rte_pktmbuf_free(m); 803 804 } 805 806 #define MINIMUM_SLEEP_TIME 1 807 #define SUSPEND_THRESHOLD 300 808 809 static inline uint32_t 810 power_idle_heuristic(uint32_t zero_rx_packet_count) 811 { 812 /* If zero count is less than 100, sleep 1us */ 813 if (zero_rx_packet_count < SUSPEND_THRESHOLD) 814 return MINIMUM_SLEEP_TIME; 815 /* If zero count is less than 1000, sleep 100 us which is the 816 minimum latency switching from C3/C6 to C0 817 */ 818 else 819 return SUSPEND_THRESHOLD; 820 } 821 822 static inline enum freq_scale_hint_t 823 power_freq_scaleup_heuristic(unsigned lcore_id, 824 uint16_t port_id, 825 uint16_t queue_id) 826 { 827 uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id); 828 /** 829 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries 830 * per iteration 831 */ 832 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST 833 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2) 834 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3) 835 #define FREQ_UP_TREND1_ACC 1 836 #define FREQ_UP_TREND2_ACC 100 837 #define FREQ_UP_THRESHOLD 10000 838 839 if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) { 840 stats[lcore_id].trend = 0; 841 return FREQ_HIGHEST; 842 } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD)) 843 stats[lcore_id].trend += FREQ_UP_TREND2_ACC; 844 else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD)) 845 stats[lcore_id].trend += FREQ_UP_TREND1_ACC; 846 847 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) { 848 stats[lcore_id].trend = 0; 849 return FREQ_HIGHER; 850 } 851 852 return FREQ_CURRENT; 853 } 854 855 /** 856 * force polling thread sleep until one-shot rx interrupt triggers 857 * @param port_id 858 * Port id. 859 * @param queue_id 860 * Rx queue id. 861 * @return 862 * 0 on success 863 */ 864 static int 865 sleep_until_rx_interrupt(int num) 866 { 867 struct rte_epoll_event event[num]; 868 int n, i; 869 uint16_t port_id; 870 uint8_t queue_id; 871 void *data; 872 873 RTE_LOG(INFO, L3FWD_POWER, 874 "lcore %u sleeps until interrupt triggers\n", 875 rte_lcore_id()); 876 877 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1); 878 for (i = 0; i < n; i++) { 879 data = event[i].epdata.data; 880 port_id = ((uintptr_t)data) >> CHAR_BIT; 881 queue_id = ((uintptr_t)data) & 882 RTE_LEN2MASK(CHAR_BIT, uint8_t); 883 rte_eth_dev_rx_intr_disable(port_id, queue_id); 884 RTE_LOG(INFO, L3FWD_POWER, 885 "lcore %u is waked up from rx interrupt on" 886 " port %d queue %d\n", 887 rte_lcore_id(), port_id, queue_id); 888 } 889 890 return 0; 891 } 892 893 static void turn_on_intr(struct lcore_conf *qconf) 894 { 895 int i; 896 struct lcore_rx_queue *rx_queue; 897 uint8_t queue_id; 898 uint16_t port_id; 899 900 for (i = 0; i < qconf->n_rx_queue; ++i) { 901 rx_queue = &(qconf->rx_queue_list[i]); 902 port_id = rx_queue->port_id; 903 queue_id = rx_queue->queue_id; 904 905 rte_spinlock_lock(&(locks[port_id])); 906 rte_eth_dev_rx_intr_enable(port_id, queue_id); 907 rte_spinlock_unlock(&(locks[port_id])); 908 } 909 } 910 911 static int event_register(struct lcore_conf *qconf) 912 { 913 struct lcore_rx_queue *rx_queue; 914 uint8_t queueid; 915 uint16_t portid; 916 uint32_t data; 917 int ret; 918 int i; 919 920 for (i = 0; i < qconf->n_rx_queue; ++i) { 921 rx_queue = &(qconf->rx_queue_list[i]); 922 portid = rx_queue->port_id; 923 queueid = rx_queue->queue_id; 924 data = portid << CHAR_BIT | queueid; 925 926 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid, 927 RTE_EPOLL_PER_THREAD, 928 RTE_INTR_EVENT_ADD, 929 (void *)((uintptr_t)data)); 930 if (ret) 931 return ret; 932 } 933 934 return 0; 935 } 936 /* main processing loop */ 937 static int 938 main_telemetry_loop(__attribute__((unused)) void *dummy) 939 { 940 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 941 unsigned int lcore_id; 942 uint64_t prev_tsc, diff_tsc, cur_tsc, prev_tel_tsc; 943 int i, j, nb_rx; 944 uint8_t queueid; 945 uint16_t portid; 946 struct lcore_conf *qconf; 947 struct lcore_rx_queue *rx_queue; 948 uint64_t ep_nep[2] = {0}, fp_nfp[2] = {0}; 949 uint64_t poll_count; 950 enum busy_rate br; 951 952 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 953 US_PER_S * BURST_TX_DRAIN_US; 954 955 poll_count = 0; 956 prev_tsc = 0; 957 prev_tel_tsc = 0; 958 959 lcore_id = rte_lcore_id(); 960 qconf = &lcore_conf[lcore_id]; 961 962 if (qconf->n_rx_queue == 0) { 963 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", 964 lcore_id); 965 return 0; 966 } 967 968 RTE_LOG(INFO, L3FWD_POWER, "entering main telemetry loop on lcore %u\n", 969 lcore_id); 970 971 for (i = 0; i < qconf->n_rx_queue; i++) { 972 portid = qconf->rx_queue_list[i].port_id; 973 queueid = qconf->rx_queue_list[i].queue_id; 974 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u " 975 "rxqueueid=%hhu\n", lcore_id, portid, queueid); 976 } 977 978 while (!is_done()) { 979 980 cur_tsc = rte_rdtsc(); 981 /* 982 * TX burst queue drain 983 */ 984 diff_tsc = cur_tsc - prev_tsc; 985 if (unlikely(diff_tsc > drain_tsc)) { 986 for (i = 0; i < qconf->n_tx_port; ++i) { 987 portid = qconf->tx_port_id[i]; 988 rte_eth_tx_buffer_flush(portid, 989 qconf->tx_queue_id[portid], 990 qconf->tx_buffer[portid]); 991 } 992 prev_tsc = cur_tsc; 993 } 994 995 /* 996 * Read packet from RX queues 997 */ 998 for (i = 0; i < qconf->n_rx_queue; ++i) { 999 rx_queue = &(qconf->rx_queue_list[i]); 1000 portid = rx_queue->port_id; 1001 queueid = rx_queue->queue_id; 1002 1003 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 1004 MAX_PKT_BURST); 1005 ep_nep[nb_rx == 0]++; 1006 fp_nfp[nb_rx == MAX_PKT_BURST]++; 1007 poll_count++; 1008 if (unlikely(nb_rx == 0)) 1009 continue; 1010 1011 /* Prefetch first packets */ 1012 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { 1013 rte_prefetch0(rte_pktmbuf_mtod( 1014 pkts_burst[j], void *)); 1015 } 1016 1017 /* Prefetch and forward already prefetched packets */ 1018 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 1019 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 1020 j + PREFETCH_OFFSET], void *)); 1021 l3fwd_simple_forward(pkts_burst[j], portid, 1022 qconf); 1023 } 1024 1025 /* Forward remaining prefetched packets */ 1026 for (; j < nb_rx; j++) { 1027 l3fwd_simple_forward(pkts_burst[j], portid, 1028 qconf); 1029 } 1030 } 1031 if (unlikely(poll_count >= DEFAULT_COUNT)) { 1032 diff_tsc = cur_tsc - prev_tel_tsc; 1033 if (diff_tsc >= MAX_CYCLES) { 1034 br = FULL; 1035 } else if (diff_tsc > MIN_CYCLES && 1036 diff_tsc < MAX_CYCLES) { 1037 br = (diff_tsc * 100) / MAX_CYCLES; 1038 } else { 1039 br = ZERO; 1040 } 1041 poll_count = 0; 1042 prev_tel_tsc = cur_tsc; 1043 /* update stats for telemetry */ 1044 rte_spinlock_lock(&stats[lcore_id].telemetry_lock); 1045 stats[lcore_id].ep_nep[0] = ep_nep[0]; 1046 stats[lcore_id].ep_nep[1] = ep_nep[1]; 1047 stats[lcore_id].fp_nfp[0] = fp_nfp[0]; 1048 stats[lcore_id].fp_nfp[1] = fp_nfp[1]; 1049 stats[lcore_id].br = br; 1050 rte_spinlock_unlock(&stats[lcore_id].telemetry_lock); 1051 } 1052 } 1053 1054 return 0; 1055 } 1056 /* main processing loop */ 1057 static int 1058 main_empty_poll_loop(__attribute__((unused)) void *dummy) 1059 { 1060 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 1061 unsigned int lcore_id; 1062 uint64_t prev_tsc, diff_tsc, cur_tsc; 1063 int i, j, nb_rx; 1064 uint8_t queueid; 1065 uint16_t portid; 1066 struct lcore_conf *qconf; 1067 struct lcore_rx_queue *rx_queue; 1068 1069 const uint64_t drain_tsc = 1070 (rte_get_tsc_hz() + US_PER_S - 1) / 1071 US_PER_S * BURST_TX_DRAIN_US; 1072 1073 prev_tsc = 0; 1074 1075 lcore_id = rte_lcore_id(); 1076 qconf = &lcore_conf[lcore_id]; 1077 1078 if (qconf->n_rx_queue == 0) { 1079 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", 1080 lcore_id); 1081 return 0; 1082 } 1083 1084 for (i = 0; i < qconf->n_rx_queue; i++) { 1085 portid = qconf->rx_queue_list[i].port_id; 1086 queueid = qconf->rx_queue_list[i].queue_id; 1087 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u " 1088 "rxqueueid=%hhu\n", lcore_id, portid, queueid); 1089 } 1090 1091 while (!is_done()) { 1092 stats[lcore_id].nb_iteration_looped++; 1093 1094 cur_tsc = rte_rdtsc(); 1095 /* 1096 * TX burst queue drain 1097 */ 1098 diff_tsc = cur_tsc - prev_tsc; 1099 if (unlikely(diff_tsc > drain_tsc)) { 1100 for (i = 0; i < qconf->n_tx_port; ++i) { 1101 portid = qconf->tx_port_id[i]; 1102 rte_eth_tx_buffer_flush(portid, 1103 qconf->tx_queue_id[portid], 1104 qconf->tx_buffer[portid]); 1105 } 1106 prev_tsc = cur_tsc; 1107 } 1108 1109 /* 1110 * Read packet from RX queues 1111 */ 1112 for (i = 0; i < qconf->n_rx_queue; ++i) { 1113 rx_queue = &(qconf->rx_queue_list[i]); 1114 rx_queue->idle_hint = 0; 1115 portid = rx_queue->port_id; 1116 queueid = rx_queue->queue_id; 1117 1118 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 1119 MAX_PKT_BURST); 1120 1121 stats[lcore_id].nb_rx_processed += nb_rx; 1122 1123 if (nb_rx == 0) { 1124 1125 rte_power_empty_poll_stat_update(lcore_id); 1126 1127 continue; 1128 } else { 1129 rte_power_poll_stat_update(lcore_id, nb_rx); 1130 } 1131 1132 1133 /* Prefetch first packets */ 1134 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { 1135 rte_prefetch0(rte_pktmbuf_mtod( 1136 pkts_burst[j], void *)); 1137 } 1138 1139 /* Prefetch and forward already prefetched packets */ 1140 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 1141 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 1142 j + PREFETCH_OFFSET], 1143 void *)); 1144 l3fwd_simple_forward(pkts_burst[j], portid, 1145 qconf); 1146 } 1147 1148 /* Forward remaining prefetched packets */ 1149 for (; j < nb_rx; j++) { 1150 l3fwd_simple_forward(pkts_burst[j], portid, 1151 qconf); 1152 } 1153 1154 } 1155 1156 } 1157 1158 return 0; 1159 } 1160 /* main processing loop */ 1161 static int 1162 main_loop(__attribute__((unused)) void *dummy) 1163 { 1164 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 1165 unsigned lcore_id; 1166 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz; 1167 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power; 1168 int i, j, nb_rx; 1169 uint8_t queueid; 1170 uint16_t portid; 1171 struct lcore_conf *qconf; 1172 struct lcore_rx_queue *rx_queue; 1173 enum freq_scale_hint_t lcore_scaleup_hint; 1174 uint32_t lcore_rx_idle_count = 0; 1175 uint32_t lcore_idle_hint = 0; 1176 int intr_en = 0; 1177 1178 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 1179 1180 prev_tsc = 0; 1181 hz = rte_get_timer_hz(); 1182 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND; 1183 1184 lcore_id = rte_lcore_id(); 1185 qconf = &lcore_conf[lcore_id]; 1186 1187 if (qconf->n_rx_queue == 0) { 1188 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id); 1189 return 0; 1190 } 1191 1192 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id); 1193 1194 for (i = 0; i < qconf->n_rx_queue; i++) { 1195 portid = qconf->rx_queue_list[i].port_id; 1196 queueid = qconf->rx_queue_list[i].queue_id; 1197 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u " 1198 "rxqueueid=%hhu\n", lcore_id, portid, queueid); 1199 } 1200 1201 /* add into event wait list */ 1202 if (event_register(qconf) == 0) 1203 intr_en = 1; 1204 else 1205 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n"); 1206 1207 while (1) { 1208 stats[lcore_id].nb_iteration_looped++; 1209 1210 cur_tsc = rte_rdtsc(); 1211 cur_tsc_power = cur_tsc; 1212 1213 /* 1214 * TX burst queue drain 1215 */ 1216 diff_tsc = cur_tsc - prev_tsc; 1217 if (unlikely(diff_tsc > drain_tsc)) { 1218 for (i = 0; i < qconf->n_tx_port; ++i) { 1219 portid = qconf->tx_port_id[i]; 1220 rte_eth_tx_buffer_flush(portid, 1221 qconf->tx_queue_id[portid], 1222 qconf->tx_buffer[portid]); 1223 } 1224 prev_tsc = cur_tsc; 1225 } 1226 1227 diff_tsc_power = cur_tsc_power - prev_tsc_power; 1228 if (diff_tsc_power > tim_res_tsc) { 1229 rte_timer_manage(); 1230 prev_tsc_power = cur_tsc_power; 1231 } 1232 1233 start_rx: 1234 /* 1235 * Read packet from RX queues 1236 */ 1237 lcore_scaleup_hint = FREQ_CURRENT; 1238 lcore_rx_idle_count = 0; 1239 for (i = 0; i < qconf->n_rx_queue; ++i) { 1240 rx_queue = &(qconf->rx_queue_list[i]); 1241 rx_queue->idle_hint = 0; 1242 portid = rx_queue->port_id; 1243 queueid = rx_queue->queue_id; 1244 1245 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 1246 MAX_PKT_BURST); 1247 1248 stats[lcore_id].nb_rx_processed += nb_rx; 1249 if (unlikely(nb_rx == 0)) { 1250 /** 1251 * no packet received from rx queue, try to 1252 * sleep for a while forcing CPU enter deeper 1253 * C states. 1254 */ 1255 rx_queue->zero_rx_packet_count++; 1256 1257 if (rx_queue->zero_rx_packet_count <= 1258 MIN_ZERO_POLL_COUNT) 1259 continue; 1260 1261 rx_queue->idle_hint = power_idle_heuristic(\ 1262 rx_queue->zero_rx_packet_count); 1263 lcore_rx_idle_count++; 1264 } else { 1265 rx_queue->zero_rx_packet_count = 0; 1266 1267 /** 1268 * do not scale up frequency immediately as 1269 * user to kernel space communication is costly 1270 * which might impact packet I/O for received 1271 * packets. 1272 */ 1273 rx_queue->freq_up_hint = 1274 power_freq_scaleup_heuristic(lcore_id, 1275 portid, queueid); 1276 } 1277 1278 /* Prefetch first packets */ 1279 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { 1280 rte_prefetch0(rte_pktmbuf_mtod( 1281 pkts_burst[j], void *)); 1282 } 1283 1284 /* Prefetch and forward already prefetched packets */ 1285 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 1286 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 1287 j + PREFETCH_OFFSET], void *)); 1288 l3fwd_simple_forward(pkts_burst[j], portid, 1289 qconf); 1290 } 1291 1292 /* Forward remaining prefetched packets */ 1293 for (; j < nb_rx; j++) { 1294 l3fwd_simple_forward(pkts_burst[j], portid, 1295 qconf); 1296 } 1297 } 1298 1299 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) { 1300 for (i = 1, lcore_scaleup_hint = 1301 qconf->rx_queue_list[0].freq_up_hint; 1302 i < qconf->n_rx_queue; ++i) { 1303 rx_queue = &(qconf->rx_queue_list[i]); 1304 if (rx_queue->freq_up_hint > 1305 lcore_scaleup_hint) 1306 lcore_scaleup_hint = 1307 rx_queue->freq_up_hint; 1308 } 1309 1310 if (lcore_scaleup_hint == FREQ_HIGHEST) { 1311 if (rte_power_freq_max) 1312 rte_power_freq_max(lcore_id); 1313 } else if (lcore_scaleup_hint == FREQ_HIGHER) { 1314 if (rte_power_freq_up) 1315 rte_power_freq_up(lcore_id); 1316 } 1317 } else { 1318 /** 1319 * All Rx queues empty in recent consecutive polls, 1320 * sleep in a conservative manner, meaning sleep as 1321 * less as possible. 1322 */ 1323 for (i = 1, lcore_idle_hint = 1324 qconf->rx_queue_list[0].idle_hint; 1325 i < qconf->n_rx_queue; ++i) { 1326 rx_queue = &(qconf->rx_queue_list[i]); 1327 if (rx_queue->idle_hint < lcore_idle_hint) 1328 lcore_idle_hint = rx_queue->idle_hint; 1329 } 1330 1331 if (lcore_idle_hint < SUSPEND_THRESHOLD) 1332 /** 1333 * execute "pause" instruction to avoid context 1334 * switch which generally take hundred of 1335 * microseconds for short sleep. 1336 */ 1337 rte_delay_us(lcore_idle_hint); 1338 else { 1339 /* suspend until rx interrupt trigges */ 1340 if (intr_en) { 1341 turn_on_intr(qconf); 1342 sleep_until_rx_interrupt( 1343 qconf->n_rx_queue); 1344 /** 1345 * start receiving packets immediately 1346 */ 1347 goto start_rx; 1348 } 1349 } 1350 stats[lcore_id].sleep_time += lcore_idle_hint; 1351 } 1352 } 1353 } 1354 1355 static int 1356 check_lcore_params(void) 1357 { 1358 uint8_t queue, lcore; 1359 uint16_t i; 1360 int socketid; 1361 1362 for (i = 0; i < nb_lcore_params; ++i) { 1363 queue = lcore_params[i].queue_id; 1364 if (queue >= MAX_RX_QUEUE_PER_PORT) { 1365 printf("invalid queue number: %hhu\n", queue); 1366 return -1; 1367 } 1368 lcore = lcore_params[i].lcore_id; 1369 if (!rte_lcore_is_enabled(lcore)) { 1370 printf("error: lcore %hhu is not enabled in lcore " 1371 "mask\n", lcore); 1372 return -1; 1373 } 1374 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) && 1375 (numa_on == 0)) { 1376 printf("warning: lcore %hhu is on socket %d with numa " 1377 "off\n", lcore, socketid); 1378 } 1379 if (app_mode == APP_MODE_TELEMETRY && lcore == rte_lcore_id()) { 1380 printf("cannot enable master core %d in config for telemetry mode\n", 1381 rte_lcore_id()); 1382 return -1; 1383 } 1384 } 1385 return 0; 1386 } 1387 1388 static int 1389 check_port_config(void) 1390 { 1391 unsigned portid; 1392 uint16_t i; 1393 1394 for (i = 0; i < nb_lcore_params; ++i) { 1395 portid = lcore_params[i].port_id; 1396 if ((enabled_port_mask & (1 << portid)) == 0) { 1397 printf("port %u is not enabled in port mask\n", 1398 portid); 1399 return -1; 1400 } 1401 if (!rte_eth_dev_is_valid_port(portid)) { 1402 printf("port %u is not present on the board\n", 1403 portid); 1404 return -1; 1405 } 1406 } 1407 return 0; 1408 } 1409 1410 static uint8_t 1411 get_port_n_rx_queues(const uint16_t port) 1412 { 1413 int queue = -1; 1414 uint16_t i; 1415 1416 for (i = 0; i < nb_lcore_params; ++i) { 1417 if (lcore_params[i].port_id == port && 1418 lcore_params[i].queue_id > queue) 1419 queue = lcore_params[i].queue_id; 1420 } 1421 return (uint8_t)(++queue); 1422 } 1423 1424 static int 1425 init_lcore_rx_queues(void) 1426 { 1427 uint16_t i, nb_rx_queue; 1428 uint8_t lcore; 1429 1430 for (i = 0; i < nb_lcore_params; ++i) { 1431 lcore = lcore_params[i].lcore_id; 1432 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 1433 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 1434 printf("error: too many queues (%u) for lcore: %u\n", 1435 (unsigned)nb_rx_queue + 1, (unsigned)lcore); 1436 return -1; 1437 } else { 1438 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 1439 lcore_params[i].port_id; 1440 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 1441 lcore_params[i].queue_id; 1442 lcore_conf[lcore].n_rx_queue++; 1443 } 1444 } 1445 return 0; 1446 } 1447 1448 /* display usage */ 1449 static void 1450 print_usage(const char *prgname) 1451 { 1452 printf ("%s [EAL options] -- -p PORTMASK -P" 1453 " [--config (port,queue,lcore)[,(port,queue,lcore]]" 1454 " [--high-perf-cores CORELIST" 1455 " [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]" 1456 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n" 1457 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 1458 " -P : enable promiscuous mode\n" 1459 " --config (port,queue,lcore): rx queues configuration\n" 1460 " --high-perf-cores CORELIST: list of high performance cores\n" 1461 " --perf-config: similar as config, cores specified as indices" 1462 " for bins containing high or regular performance cores\n" 1463 " --no-numa: optional, disable numa awareness\n" 1464 " --enable-jumbo: enable jumbo frame" 1465 " which max packet len is PKTLEN in decimal (64-9600)\n" 1466 " --parse-ptype: parse packet type by software\n" 1467 " --empty-poll: enable empty poll detection" 1468 " follow (training_flag, high_threshold, med_threshold)\n" 1469 " --telemetry: enable telemetry mode, to update" 1470 " empty polls, full polls, and core busyness to telemetry\n", 1471 prgname); 1472 } 1473 1474 static int parse_max_pkt_len(const char *pktlen) 1475 { 1476 char *end = NULL; 1477 unsigned long len; 1478 1479 /* parse decimal string */ 1480 len = strtoul(pktlen, &end, 10); 1481 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 1482 return -1; 1483 1484 if (len == 0) 1485 return -1; 1486 1487 return len; 1488 } 1489 1490 static int 1491 parse_portmask(const char *portmask) 1492 { 1493 char *end = NULL; 1494 unsigned long pm; 1495 1496 /* parse hexadecimal string */ 1497 pm = strtoul(portmask, &end, 16); 1498 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 1499 return -1; 1500 1501 if (pm == 0) 1502 return -1; 1503 1504 return pm; 1505 } 1506 1507 static int 1508 parse_config(const char *q_arg) 1509 { 1510 char s[256]; 1511 const char *p, *p0 = q_arg; 1512 char *end; 1513 enum fieldnames { 1514 FLD_PORT = 0, 1515 FLD_QUEUE, 1516 FLD_LCORE, 1517 _NUM_FLD 1518 }; 1519 unsigned long int_fld[_NUM_FLD]; 1520 char *str_fld[_NUM_FLD]; 1521 int i; 1522 unsigned size; 1523 1524 nb_lcore_params = 0; 1525 1526 while ((p = strchr(p0,'(')) != NULL) { 1527 ++p; 1528 if((p0 = strchr(p,')')) == NULL) 1529 return -1; 1530 1531 size = p0 - p; 1532 if(size >= sizeof(s)) 1533 return -1; 1534 1535 snprintf(s, sizeof(s), "%.*s", size, p); 1536 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != 1537 _NUM_FLD) 1538 return -1; 1539 for (i = 0; i < _NUM_FLD; i++){ 1540 errno = 0; 1541 int_fld[i] = strtoul(str_fld[i], &end, 0); 1542 if (errno != 0 || end == str_fld[i] || int_fld[i] > 1543 255) 1544 return -1; 1545 } 1546 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 1547 printf("exceeded max number of lcore params: %hu\n", 1548 nb_lcore_params); 1549 return -1; 1550 } 1551 lcore_params_array[nb_lcore_params].port_id = 1552 (uint8_t)int_fld[FLD_PORT]; 1553 lcore_params_array[nb_lcore_params].queue_id = 1554 (uint8_t)int_fld[FLD_QUEUE]; 1555 lcore_params_array[nb_lcore_params].lcore_id = 1556 (uint8_t)int_fld[FLD_LCORE]; 1557 ++nb_lcore_params; 1558 } 1559 lcore_params = lcore_params_array; 1560 1561 return 0; 1562 } 1563 static int 1564 parse_ep_config(const char *q_arg) 1565 { 1566 char s[256]; 1567 const char *p = q_arg; 1568 char *end; 1569 int num_arg; 1570 1571 char *str_fld[3]; 1572 1573 int training_flag; 1574 int med_edpi; 1575 int hgh_edpi; 1576 1577 ep_med_edpi = EMPTY_POLL_MED_THRESHOLD; 1578 ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD; 1579 1580 strlcpy(s, p, sizeof(s)); 1581 1582 num_arg = rte_strsplit(s, sizeof(s), str_fld, 3, ','); 1583 1584 empty_poll_train = false; 1585 1586 if (num_arg == 0) 1587 return 0; 1588 1589 if (num_arg == 3) { 1590 1591 training_flag = strtoul(str_fld[0], &end, 0); 1592 med_edpi = strtoul(str_fld[1], &end, 0); 1593 hgh_edpi = strtoul(str_fld[2], &end, 0); 1594 1595 if (training_flag == 1) 1596 empty_poll_train = true; 1597 1598 if (med_edpi > 0) 1599 ep_med_edpi = med_edpi; 1600 1601 if (med_edpi > 0) 1602 ep_hgh_edpi = hgh_edpi; 1603 1604 } else { 1605 1606 return -1; 1607 } 1608 1609 return 0; 1610 1611 } 1612 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 1613 #define CMD_LINE_OPT_TELEMETRY "telemetry" 1614 1615 /* Parse the argument given in the command line of the application */ 1616 static int 1617 parse_args(int argc, char **argv) 1618 { 1619 int opt, ret; 1620 char **argvopt; 1621 int option_index; 1622 uint32_t limit; 1623 char *prgname = argv[0]; 1624 static struct option lgopts[] = { 1625 {"config", 1, 0, 0}, 1626 {"perf-config", 1, 0, 0}, 1627 {"high-perf-cores", 1, 0, 0}, 1628 {"no-numa", 0, 0, 0}, 1629 {"enable-jumbo", 0, 0, 0}, 1630 {"empty-poll", 1, 0, 0}, 1631 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0}, 1632 {CMD_LINE_OPT_TELEMETRY, 0, 0, 0}, 1633 {NULL, 0, 0, 0} 1634 }; 1635 1636 argvopt = argv; 1637 1638 while ((opt = getopt_long(argc, argvopt, "p:l:m:h:P", 1639 lgopts, &option_index)) != EOF) { 1640 1641 switch (opt) { 1642 /* portmask */ 1643 case 'p': 1644 enabled_port_mask = parse_portmask(optarg); 1645 if (enabled_port_mask == 0) { 1646 printf("invalid portmask\n"); 1647 print_usage(prgname); 1648 return -1; 1649 } 1650 break; 1651 case 'P': 1652 printf("Promiscuous mode selected\n"); 1653 promiscuous_on = 1; 1654 break; 1655 case 'l': 1656 limit = parse_max_pkt_len(optarg); 1657 freq_tlb[LOW] = limit; 1658 break; 1659 case 'm': 1660 limit = parse_max_pkt_len(optarg); 1661 freq_tlb[MED] = limit; 1662 break; 1663 case 'h': 1664 limit = parse_max_pkt_len(optarg); 1665 freq_tlb[HGH] = limit; 1666 break; 1667 /* long options */ 1668 case 0: 1669 if (!strncmp(lgopts[option_index].name, "config", 6)) { 1670 ret = parse_config(optarg); 1671 if (ret) { 1672 printf("invalid config\n"); 1673 print_usage(prgname); 1674 return -1; 1675 } 1676 } 1677 1678 if (!strncmp(lgopts[option_index].name, 1679 "perf-config", 11)) { 1680 ret = parse_perf_config(optarg); 1681 if (ret) { 1682 printf("invalid perf-config\n"); 1683 print_usage(prgname); 1684 return -1; 1685 } 1686 } 1687 1688 if (!strncmp(lgopts[option_index].name, 1689 "high-perf-cores", 15)) { 1690 ret = parse_perf_core_list(optarg); 1691 if (ret) { 1692 printf("invalid high-perf-cores\n"); 1693 print_usage(prgname); 1694 return -1; 1695 } 1696 } 1697 1698 if (!strncmp(lgopts[option_index].name, 1699 "no-numa", 7)) { 1700 printf("numa is disabled \n"); 1701 numa_on = 0; 1702 } 1703 1704 if (!strncmp(lgopts[option_index].name, 1705 "empty-poll", 10)) { 1706 if (app_mode == APP_MODE_TELEMETRY) { 1707 printf(" empty-poll cannot be enabled as telemetry mode is enabled\n"); 1708 return -1; 1709 } 1710 app_mode = APP_MODE_EMPTY_POLL; 1711 ret = parse_ep_config(optarg); 1712 1713 if (ret) { 1714 printf("invalid empty poll config\n"); 1715 print_usage(prgname); 1716 return -1; 1717 } 1718 printf("empty-poll is enabled\n"); 1719 } 1720 1721 if (!strncmp(lgopts[option_index].name, 1722 CMD_LINE_OPT_TELEMETRY, 1723 sizeof(CMD_LINE_OPT_TELEMETRY))) { 1724 if (app_mode == APP_MODE_EMPTY_POLL) { 1725 printf("telemetry mode cannot be enabled as empty poll mode is enabled\n"); 1726 return -1; 1727 } 1728 app_mode = APP_MODE_TELEMETRY; 1729 printf("telemetry mode is enabled\n"); 1730 } 1731 1732 if (!strncmp(lgopts[option_index].name, 1733 "enable-jumbo", 12)) { 1734 struct option lenopts = 1735 {"max-pkt-len", required_argument, \ 1736 0, 0}; 1737 1738 printf("jumbo frame is enabled \n"); 1739 port_conf.rxmode.offloads |= 1740 DEV_RX_OFFLOAD_JUMBO_FRAME; 1741 port_conf.txmode.offloads |= 1742 DEV_TX_OFFLOAD_MULTI_SEGS; 1743 1744 /** 1745 * if no max-pkt-len set, use the default value 1746 * RTE_ETHER_MAX_LEN 1747 */ 1748 if (0 == getopt_long(argc, argvopt, "", 1749 &lenopts, &option_index)) { 1750 ret = parse_max_pkt_len(optarg); 1751 if ((ret < 64) || 1752 (ret > MAX_JUMBO_PKT_LEN)){ 1753 printf("invalid packet " 1754 "length\n"); 1755 print_usage(prgname); 1756 return -1; 1757 } 1758 port_conf.rxmode.max_rx_pkt_len = ret; 1759 } 1760 printf("set jumbo frame " 1761 "max packet length to %u\n", 1762 (unsigned int)port_conf.rxmode.max_rx_pkt_len); 1763 } 1764 1765 if (!strncmp(lgopts[option_index].name, 1766 CMD_LINE_OPT_PARSE_PTYPE, 1767 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) { 1768 printf("soft parse-ptype is enabled\n"); 1769 parse_ptype = 1; 1770 } 1771 1772 break; 1773 1774 default: 1775 print_usage(prgname); 1776 return -1; 1777 } 1778 } 1779 1780 if (optind >= 0) 1781 argv[optind-1] = prgname; 1782 1783 ret = optind-1; 1784 optind = 1; /* reset getopt lib */ 1785 return ret; 1786 } 1787 1788 static void 1789 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 1790 { 1791 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 1792 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 1793 printf("%s%s", name, buf); 1794 } 1795 1796 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1797 static void 1798 setup_hash(int socketid) 1799 { 1800 struct rte_hash_parameters ipv4_l3fwd_hash_params = { 1801 .name = NULL, 1802 .entries = L3FWD_HASH_ENTRIES, 1803 .key_len = sizeof(struct ipv4_5tuple), 1804 .hash_func = DEFAULT_HASH_FUNC, 1805 .hash_func_init_val = 0, 1806 }; 1807 1808 struct rte_hash_parameters ipv6_l3fwd_hash_params = { 1809 .name = NULL, 1810 .entries = L3FWD_HASH_ENTRIES, 1811 .key_len = sizeof(struct ipv6_5tuple), 1812 .hash_func = DEFAULT_HASH_FUNC, 1813 .hash_func_init_val = 0, 1814 }; 1815 1816 unsigned i; 1817 int ret; 1818 char s[64]; 1819 1820 /* create ipv4 hash */ 1821 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid); 1822 ipv4_l3fwd_hash_params.name = s; 1823 ipv4_l3fwd_hash_params.socket_id = socketid; 1824 ipv4_l3fwd_lookup_struct[socketid] = 1825 rte_hash_create(&ipv4_l3fwd_hash_params); 1826 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 1827 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 1828 "socket %d\n", socketid); 1829 1830 /* create ipv6 hash */ 1831 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid); 1832 ipv6_l3fwd_hash_params.name = s; 1833 ipv6_l3fwd_hash_params.socket_id = socketid; 1834 ipv6_l3fwd_lookup_struct[socketid] = 1835 rte_hash_create(&ipv6_l3fwd_hash_params); 1836 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 1837 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 1838 "socket %d\n", socketid); 1839 1840 1841 /* populate the ipv4 hash */ 1842 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 1843 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid], 1844 (void *) &ipv4_l3fwd_route_array[i].key); 1845 if (ret < 0) { 1846 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the" 1847 "l3fwd hash on socket %d\n", i, socketid); 1848 } 1849 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out; 1850 printf("Hash: Adding key\n"); 1851 print_ipv4_key(ipv4_l3fwd_route_array[i].key); 1852 } 1853 1854 /* populate the ipv6 hash */ 1855 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) { 1856 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid], 1857 (void *) &ipv6_l3fwd_route_array[i].key); 1858 if (ret < 0) { 1859 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the" 1860 "l3fwd hash on socket %d\n", i, socketid); 1861 } 1862 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out; 1863 printf("Hash: Adding key\n"); 1864 print_ipv6_key(ipv6_l3fwd_route_array[i].key); 1865 } 1866 } 1867 #endif 1868 1869 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1870 static void 1871 setup_lpm(int socketid) 1872 { 1873 unsigned i; 1874 int ret; 1875 char s[64]; 1876 1877 /* create the LPM table */ 1878 struct rte_lpm_config lpm_ipv4_config; 1879 1880 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES; 1881 lpm_ipv4_config.number_tbl8s = 256; 1882 lpm_ipv4_config.flags = 0; 1883 1884 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid); 1885 ipv4_l3fwd_lookup_struct[socketid] = 1886 rte_lpm_create(s, socketid, &lpm_ipv4_config); 1887 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 1888 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 1889 " on socket %d\n", socketid); 1890 1891 /* populate the LPM table */ 1892 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 1893 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid], 1894 ipv4_l3fwd_route_array[i].ip, 1895 ipv4_l3fwd_route_array[i].depth, 1896 ipv4_l3fwd_route_array[i].if_out); 1897 1898 if (ret < 0) { 1899 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 1900 "l3fwd LPM table on socket %d\n", 1901 i, socketid); 1902 } 1903 1904 printf("LPM: Adding route 0x%08x / %d (%d)\n", 1905 (unsigned)ipv4_l3fwd_route_array[i].ip, 1906 ipv4_l3fwd_route_array[i].depth, 1907 ipv4_l3fwd_route_array[i].if_out); 1908 } 1909 } 1910 #endif 1911 1912 static int 1913 init_mem(unsigned nb_mbuf) 1914 { 1915 struct lcore_conf *qconf; 1916 int socketid; 1917 unsigned lcore_id; 1918 char s[64]; 1919 1920 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1921 if (rte_lcore_is_enabled(lcore_id) == 0) 1922 continue; 1923 1924 if (numa_on) 1925 socketid = rte_lcore_to_socket_id(lcore_id); 1926 else 1927 socketid = 0; 1928 1929 if (socketid >= NB_SOCKETS) { 1930 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is " 1931 "out of range %d\n", socketid, 1932 lcore_id, NB_SOCKETS); 1933 } 1934 if (pktmbuf_pool[socketid] == NULL) { 1935 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 1936 pktmbuf_pool[socketid] = 1937 rte_pktmbuf_pool_create(s, nb_mbuf, 1938 MEMPOOL_CACHE_SIZE, 0, 1939 RTE_MBUF_DEFAULT_BUF_SIZE, 1940 socketid); 1941 if (pktmbuf_pool[socketid] == NULL) 1942 rte_exit(EXIT_FAILURE, 1943 "Cannot init mbuf pool on socket %d\n", 1944 socketid); 1945 else 1946 printf("Allocated mbuf pool on socket %d\n", 1947 socketid); 1948 1949 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1950 setup_lpm(socketid); 1951 #else 1952 setup_hash(socketid); 1953 #endif 1954 } 1955 qconf = &lcore_conf[lcore_id]; 1956 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid]; 1957 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1958 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid]; 1959 #endif 1960 } 1961 return 0; 1962 } 1963 1964 /* Check the link status of all ports in up to 9s, and print them finally */ 1965 static void 1966 check_all_ports_link_status(uint32_t port_mask) 1967 { 1968 #define CHECK_INTERVAL 100 /* 100ms */ 1969 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 1970 uint8_t count, all_ports_up, print_flag = 0; 1971 uint16_t portid; 1972 struct rte_eth_link link; 1973 int ret; 1974 1975 printf("\nChecking link status"); 1976 fflush(stdout); 1977 for (count = 0; count <= MAX_CHECK_TIME; count++) { 1978 all_ports_up = 1; 1979 RTE_ETH_FOREACH_DEV(portid) { 1980 if ((port_mask & (1 << portid)) == 0) 1981 continue; 1982 memset(&link, 0, sizeof(link)); 1983 ret = rte_eth_link_get_nowait(portid, &link); 1984 if (ret < 0) { 1985 all_ports_up = 0; 1986 if (print_flag == 1) 1987 printf("Port %u link get failed: %s\n", 1988 portid, rte_strerror(-ret)); 1989 continue; 1990 } 1991 /* print link status if flag set */ 1992 if (print_flag == 1) { 1993 if (link.link_status) 1994 printf("Port %d Link Up - speed %u " 1995 "Mbps - %s\n", (uint8_t)portid, 1996 (unsigned)link.link_speed, 1997 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1998 ("full-duplex") : ("half-duplex\n")); 1999 else 2000 printf("Port %d Link Down\n", 2001 (uint8_t)portid); 2002 continue; 2003 } 2004 /* clear all_ports_up flag if any link down */ 2005 if (link.link_status == ETH_LINK_DOWN) { 2006 all_ports_up = 0; 2007 break; 2008 } 2009 } 2010 /* after finally printing all link status, get out */ 2011 if (print_flag == 1) 2012 break; 2013 2014 if (all_ports_up == 0) { 2015 printf("."); 2016 fflush(stdout); 2017 rte_delay_ms(CHECK_INTERVAL); 2018 } 2019 2020 /* set the print_flag if all ports up or timeout */ 2021 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 2022 print_flag = 1; 2023 printf("done\n"); 2024 } 2025 } 2026 } 2027 2028 static int check_ptype(uint16_t portid) 2029 { 2030 int i, ret; 2031 int ptype_l3_ipv4 = 0; 2032 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2033 int ptype_l3_ipv6 = 0; 2034 #endif 2035 uint32_t ptype_mask = RTE_PTYPE_L3_MASK; 2036 2037 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0); 2038 if (ret <= 0) 2039 return 0; 2040 2041 uint32_t ptypes[ret]; 2042 2043 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret); 2044 for (i = 0; i < ret; ++i) { 2045 if (ptypes[i] & RTE_PTYPE_L3_IPV4) 2046 ptype_l3_ipv4 = 1; 2047 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2048 if (ptypes[i] & RTE_PTYPE_L3_IPV6) 2049 ptype_l3_ipv6 = 1; 2050 #endif 2051 } 2052 2053 if (ptype_l3_ipv4 == 0) 2054 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid); 2055 2056 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2057 if (ptype_l3_ipv6 == 0) 2058 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid); 2059 #endif 2060 2061 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 2062 if (ptype_l3_ipv4) 2063 #else /* APP_LOOKUP_EXACT_MATCH */ 2064 if (ptype_l3_ipv4 && ptype_l3_ipv6) 2065 #endif 2066 return 1; 2067 2068 return 0; 2069 2070 } 2071 2072 static int 2073 init_power_library(void) 2074 { 2075 int ret = 0, lcore_id; 2076 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 2077 if (rte_lcore_is_enabled(lcore_id)) { 2078 /* init power management library */ 2079 ret = rte_power_init(lcore_id); 2080 if (ret) 2081 RTE_LOG(ERR, POWER, 2082 "Library initialization failed on core %u\n", 2083 lcore_id); 2084 } 2085 } 2086 return ret; 2087 } 2088 static void 2089 update_telemetry(__attribute__((unused)) struct rte_timer *tim, 2090 __attribute__((unused)) void *arg) 2091 { 2092 unsigned int lcore_id = rte_lcore_id(); 2093 struct lcore_conf *qconf; 2094 uint64_t app_eps = 0, app_fps = 0, app_br = 0; 2095 uint64_t values[3] = {0}; 2096 int ret; 2097 uint64_t count = 0; 2098 2099 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 2100 qconf = &lcore_conf[lcore_id]; 2101 if (qconf->n_rx_queue == 0) 2102 continue; 2103 count++; 2104 rte_spinlock_lock(&stats[lcore_id].telemetry_lock); 2105 app_eps += stats[lcore_id].ep_nep[1]; 2106 app_fps += stats[lcore_id].fp_nfp[1]; 2107 app_br += stats[lcore_id].br; 2108 rte_spinlock_unlock(&stats[lcore_id].telemetry_lock); 2109 } 2110 2111 if (count > 0) { 2112 values[0] = app_eps/count; 2113 values[1] = app_fps/count; 2114 values[2] = app_br/count; 2115 } else { 2116 values[0] = 0; 2117 values[1] = 0; 2118 values[2] = 0; 2119 } 2120 2121 ret = rte_metrics_update_values(RTE_METRICS_GLOBAL, telstats_index, 2122 values, RTE_DIM(values)); 2123 if (ret < 0) 2124 RTE_LOG(WARNING, POWER, "failed to update metrcis\n"); 2125 } 2126 static void 2127 telemetry_setup_timer(void) 2128 { 2129 int lcore_id = rte_lcore_id(); 2130 uint64_t hz = rte_get_timer_hz(); 2131 uint64_t ticks; 2132 2133 ticks = hz / TELEMETRY_INTERVALS_PER_SEC; 2134 rte_timer_reset_sync(&telemetry_timer, 2135 ticks, 2136 PERIODICAL, 2137 lcore_id, 2138 update_telemetry, 2139 NULL); 2140 } 2141 static void 2142 empty_poll_setup_timer(void) 2143 { 2144 int lcore_id = rte_lcore_id(); 2145 uint64_t hz = rte_get_timer_hz(); 2146 2147 struct ep_params *ep_ptr = ep_params; 2148 2149 ep_ptr->interval_ticks = hz / INTERVALS_PER_SECOND; 2150 2151 rte_timer_reset_sync(&ep_ptr->timer0, 2152 ep_ptr->interval_ticks, 2153 PERIODICAL, 2154 lcore_id, 2155 rte_empty_poll_detection, 2156 (void *)ep_ptr); 2157 2158 } 2159 static int 2160 launch_timer(unsigned int lcore_id) 2161 { 2162 int64_t prev_tsc = 0, cur_tsc, diff_tsc, cycles_10ms; 2163 2164 RTE_SET_USED(lcore_id); 2165 2166 2167 if (rte_get_master_lcore() != lcore_id) { 2168 rte_panic("timer on lcore:%d which is not master core:%d\n", 2169 lcore_id, 2170 rte_get_master_lcore()); 2171 } 2172 2173 RTE_LOG(INFO, POWER, "Bring up the Timer\n"); 2174 2175 if (app_mode == APP_MODE_EMPTY_POLL) 2176 empty_poll_setup_timer(); 2177 else 2178 telemetry_setup_timer(); 2179 2180 cycles_10ms = rte_get_timer_hz() / 100; 2181 2182 while (!is_done()) { 2183 cur_tsc = rte_rdtsc(); 2184 diff_tsc = cur_tsc - prev_tsc; 2185 if (diff_tsc > cycles_10ms) { 2186 rte_timer_manage(); 2187 prev_tsc = cur_tsc; 2188 cycles_10ms = rte_get_timer_hz() / 100; 2189 } 2190 } 2191 2192 RTE_LOG(INFO, POWER, "Timer_subsystem is done\n"); 2193 2194 return 0; 2195 } 2196 2197 2198 int 2199 main(int argc, char **argv) 2200 { 2201 struct lcore_conf *qconf; 2202 struct rte_eth_dev_info dev_info; 2203 struct rte_eth_txconf *txconf; 2204 int ret; 2205 uint16_t nb_ports; 2206 uint16_t queueid; 2207 unsigned lcore_id; 2208 uint64_t hz; 2209 uint32_t n_tx_queue, nb_lcores; 2210 uint32_t dev_rxq_num, dev_txq_num; 2211 uint8_t nb_rx_queue, queue, socketid; 2212 uint16_t portid; 2213 uint8_t num_telstats = RTE_DIM(telstats_strings); 2214 const char *ptr_strings[num_telstats]; 2215 2216 /* catch SIGINT and restore cpufreq governor to ondemand */ 2217 signal(SIGINT, signal_exit_now); 2218 2219 /* init EAL */ 2220 ret = rte_eal_init(argc, argv); 2221 if (ret < 0) 2222 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 2223 argc -= ret; 2224 argv += ret; 2225 2226 /* init RTE timer library to be used late */ 2227 rte_timer_subsystem_init(); 2228 2229 /* parse application arguments (after the EAL ones) */ 2230 ret = parse_args(argc, argv); 2231 if (ret < 0) 2232 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 2233 2234 if (init_power_library()) 2235 RTE_LOG(ERR, L3FWD_POWER, "init_power_library failed\n"); 2236 2237 if (update_lcore_params() < 0) 2238 rte_exit(EXIT_FAILURE, "update_lcore_params failed\n"); 2239 2240 if (check_lcore_params() < 0) 2241 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 2242 2243 ret = init_lcore_rx_queues(); 2244 if (ret < 0) 2245 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); 2246 2247 nb_ports = rte_eth_dev_count_avail(); 2248 2249 if (check_port_config() < 0) 2250 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 2251 2252 nb_lcores = rte_lcore_count(); 2253 2254 /* initialize all ports */ 2255 RTE_ETH_FOREACH_DEV(portid) { 2256 struct rte_eth_conf local_port_conf = port_conf; 2257 2258 /* skip ports that are not enabled */ 2259 if ((enabled_port_mask & (1 << portid)) == 0) { 2260 printf("\nSkipping disabled port %d\n", portid); 2261 continue; 2262 } 2263 2264 /* init port */ 2265 printf("Initializing port %d ... ", portid ); 2266 fflush(stdout); 2267 2268 ret = rte_eth_dev_info_get(portid, &dev_info); 2269 if (ret != 0) 2270 rte_exit(EXIT_FAILURE, 2271 "Error during getting device (port %u) info: %s\n", 2272 portid, strerror(-ret)); 2273 2274 dev_rxq_num = dev_info.max_rx_queues; 2275 dev_txq_num = dev_info.max_tx_queues; 2276 2277 nb_rx_queue = get_port_n_rx_queues(portid); 2278 if (nb_rx_queue > dev_rxq_num) 2279 rte_exit(EXIT_FAILURE, 2280 "Cannot configure not existed rxq: " 2281 "port=%d\n", portid); 2282 2283 n_tx_queue = nb_lcores; 2284 if (n_tx_queue > dev_txq_num) 2285 n_tx_queue = dev_txq_num; 2286 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 2287 nb_rx_queue, (unsigned)n_tx_queue ); 2288 /* If number of Rx queue is 0, no need to enable Rx interrupt */ 2289 if (nb_rx_queue == 0) 2290 local_port_conf.intr_conf.rxq = 0; 2291 2292 ret = rte_eth_dev_info_get(portid, &dev_info); 2293 if (ret != 0) 2294 rte_exit(EXIT_FAILURE, 2295 "Error during getting device (port %u) info: %s\n", 2296 portid, strerror(-ret)); 2297 2298 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 2299 local_port_conf.txmode.offloads |= 2300 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 2301 2302 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 2303 dev_info.flow_type_rss_offloads; 2304 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 2305 port_conf.rx_adv_conf.rss_conf.rss_hf) { 2306 printf("Port %u modified RSS hash function based on hardware support," 2307 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 2308 portid, 2309 port_conf.rx_adv_conf.rss_conf.rss_hf, 2310 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 2311 } 2312 2313 ret = rte_eth_dev_configure(portid, nb_rx_queue, 2314 (uint16_t)n_tx_queue, &local_port_conf); 2315 if (ret < 0) 2316 rte_exit(EXIT_FAILURE, "Cannot configure device: " 2317 "err=%d, port=%d\n", ret, portid); 2318 2319 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 2320 &nb_txd); 2321 if (ret < 0) 2322 rte_exit(EXIT_FAILURE, 2323 "Cannot adjust number of descriptors: err=%d, port=%d\n", 2324 ret, portid); 2325 2326 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 2327 if (ret < 0) 2328 rte_exit(EXIT_FAILURE, 2329 "Cannot get MAC address: err=%d, port=%d\n", 2330 ret, portid); 2331 2332 print_ethaddr(" Address:", &ports_eth_addr[portid]); 2333 printf(", "); 2334 2335 /* init memory */ 2336 ret = init_mem(NB_MBUF); 2337 if (ret < 0) 2338 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 2339 2340 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 2341 if (rte_lcore_is_enabled(lcore_id) == 0) 2342 continue; 2343 2344 /* Initialize TX buffers */ 2345 qconf = &lcore_conf[lcore_id]; 2346 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 2347 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 2348 rte_eth_dev_socket_id(portid)); 2349 if (qconf->tx_buffer[portid] == NULL) 2350 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n", 2351 portid); 2352 2353 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST); 2354 } 2355 2356 /* init one TX queue per couple (lcore,port) */ 2357 queueid = 0; 2358 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 2359 if (rte_lcore_is_enabled(lcore_id) == 0) 2360 continue; 2361 2362 if (queueid >= dev_txq_num) 2363 continue; 2364 2365 if (numa_on) 2366 socketid = \ 2367 (uint8_t)rte_lcore_to_socket_id(lcore_id); 2368 else 2369 socketid = 0; 2370 2371 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 2372 fflush(stdout); 2373 2374 txconf = &dev_info.default_txconf; 2375 txconf->offloads = local_port_conf.txmode.offloads; 2376 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 2377 socketid, txconf); 2378 if (ret < 0) 2379 rte_exit(EXIT_FAILURE, 2380 "rte_eth_tx_queue_setup: err=%d, " 2381 "port=%d\n", ret, portid); 2382 2383 qconf = &lcore_conf[lcore_id]; 2384 qconf->tx_queue_id[portid] = queueid; 2385 queueid++; 2386 2387 qconf->tx_port_id[qconf->n_tx_port] = portid; 2388 qconf->n_tx_port++; 2389 } 2390 printf("\n"); 2391 } 2392 2393 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 2394 if (rte_lcore_is_enabled(lcore_id) == 0) 2395 continue; 2396 2397 if (app_mode == APP_MODE_LEGACY) { 2398 /* init timer structures for each enabled lcore */ 2399 rte_timer_init(&power_timers[lcore_id]); 2400 hz = rte_get_timer_hz(); 2401 rte_timer_reset(&power_timers[lcore_id], 2402 hz/TIMER_NUMBER_PER_SECOND, 2403 SINGLE, lcore_id, 2404 power_timer_cb, NULL); 2405 } 2406 qconf = &lcore_conf[lcore_id]; 2407 printf("\nInitializing rx queues on lcore %u ... ", lcore_id ); 2408 fflush(stdout); 2409 /* init RX queues */ 2410 for(queue = 0; queue < qconf->n_rx_queue; ++queue) { 2411 struct rte_eth_rxconf rxq_conf; 2412 2413 portid = qconf->rx_queue_list[queue].port_id; 2414 queueid = qconf->rx_queue_list[queue].queue_id; 2415 2416 if (numa_on) 2417 socketid = \ 2418 (uint8_t)rte_lcore_to_socket_id(lcore_id); 2419 else 2420 socketid = 0; 2421 2422 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 2423 fflush(stdout); 2424 2425 ret = rte_eth_dev_info_get(portid, &dev_info); 2426 if (ret != 0) 2427 rte_exit(EXIT_FAILURE, 2428 "Error during getting device (port %u) info: %s\n", 2429 portid, strerror(-ret)); 2430 2431 rxq_conf = dev_info.default_rxconf; 2432 rxq_conf.offloads = port_conf.rxmode.offloads; 2433 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 2434 socketid, &rxq_conf, 2435 pktmbuf_pool[socketid]); 2436 if (ret < 0) 2437 rte_exit(EXIT_FAILURE, 2438 "rte_eth_rx_queue_setup: err=%d, " 2439 "port=%d\n", ret, portid); 2440 2441 if (parse_ptype) { 2442 if (add_cb_parse_ptype(portid, queueid) < 0) 2443 rte_exit(EXIT_FAILURE, 2444 "Fail to add ptype cb\n"); 2445 } else if (!check_ptype(portid)) 2446 rte_exit(EXIT_FAILURE, 2447 "PMD can not provide needed ptypes\n"); 2448 } 2449 } 2450 2451 printf("\n"); 2452 2453 /* start ports */ 2454 RTE_ETH_FOREACH_DEV(portid) { 2455 if ((enabled_port_mask & (1 << portid)) == 0) { 2456 continue; 2457 } 2458 /* Start device */ 2459 ret = rte_eth_dev_start(portid); 2460 if (ret < 0) 2461 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, " 2462 "port=%d\n", ret, portid); 2463 /* 2464 * If enabled, put device in promiscuous mode. 2465 * This allows IO forwarding mode to forward packets 2466 * to itself through 2 cross-connected ports of the 2467 * target machine. 2468 */ 2469 if (promiscuous_on) { 2470 ret = rte_eth_promiscuous_enable(portid); 2471 if (ret != 0) 2472 rte_exit(EXIT_FAILURE, 2473 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 2474 rte_strerror(-ret), portid); 2475 } 2476 /* initialize spinlock for each port */ 2477 rte_spinlock_init(&(locks[portid])); 2478 } 2479 2480 check_all_ports_link_status(enabled_port_mask); 2481 2482 if (app_mode == APP_MODE_EMPTY_POLL) { 2483 2484 if (empty_poll_train) { 2485 policy.state = TRAINING; 2486 } else { 2487 policy.state = MED_NORMAL; 2488 policy.med_base_edpi = ep_med_edpi; 2489 policy.hgh_base_edpi = ep_hgh_edpi; 2490 } 2491 2492 ret = rte_power_empty_poll_stat_init(&ep_params, 2493 freq_tlb, 2494 &policy); 2495 if (ret < 0) 2496 rte_exit(EXIT_FAILURE, "empty poll init failed"); 2497 } 2498 2499 2500 /* launch per-lcore init on every lcore */ 2501 if (app_mode == APP_MODE_LEGACY) { 2502 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); 2503 } else if (app_mode == APP_MODE_EMPTY_POLL) { 2504 empty_poll_stop = false; 2505 rte_eal_mp_remote_launch(main_empty_poll_loop, NULL, 2506 SKIP_MASTER); 2507 } else { 2508 unsigned int i; 2509 2510 /* Init metrics library */ 2511 rte_metrics_init(rte_socket_id()); 2512 /** Register stats with metrics library */ 2513 for (i = 0; i < num_telstats; i++) 2514 ptr_strings[i] = telstats_strings[i].name; 2515 2516 ret = rte_metrics_reg_names(ptr_strings, num_telstats); 2517 if (ret >= 0) 2518 telstats_index = ret; 2519 else 2520 rte_exit(EXIT_FAILURE, "failed to register metrics names"); 2521 2522 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 2523 rte_spinlock_init(&stats[lcore_id].telemetry_lock); 2524 } 2525 rte_timer_init(&telemetry_timer); 2526 rte_eal_mp_remote_launch(main_telemetry_loop, NULL, 2527 SKIP_MASTER); 2528 } 2529 2530 if (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY) 2531 launch_timer(rte_lcore_id()); 2532 2533 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 2534 if (rte_eal_wait_lcore(lcore_id) < 0) 2535 return -1; 2536 } 2537 2538 if (app_mode == APP_MODE_EMPTY_POLL) 2539 rte_power_empty_poll_stat_free(); 2540 2541 return 0; 2542 } 2543