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