1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <stdint.h> 37 #include <inttypes.h> 38 #include <sys/types.h> 39 #include <string.h> 40 #include <sys/queue.h> 41 #include <stdarg.h> 42 #include <errno.h> 43 #include <getopt.h> 44 #include <unistd.h> 45 #include <signal.h> 46 47 #include <rte_common.h> 48 #include <rte_byteorder.h> 49 #include <rte_log.h> 50 #include <rte_malloc.h> 51 #include <rte_memory.h> 52 #include <rte_memcpy.h> 53 #include <rte_eal.h> 54 #include <rte_launch.h> 55 #include <rte_atomic.h> 56 #include <rte_cycles.h> 57 #include <rte_prefetch.h> 58 #include <rte_lcore.h> 59 #include <rte_per_lcore.h> 60 #include <rte_branch_prediction.h> 61 #include <rte_interrupts.h> 62 #include <rte_random.h> 63 #include <rte_debug.h> 64 #include <rte_ether.h> 65 #include <rte_ethdev.h> 66 #include <rte_mempool.h> 67 #include <rte_mbuf.h> 68 #include <rte_ip.h> 69 #include <rte_tcp.h> 70 #include <rte_udp.h> 71 #include <rte_string_fns.h> 72 #include <rte_timer.h> 73 #include <rte_power.h> 74 #include <rte_spinlock.h> 75 76 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1 77 78 #define MAX_PKT_BURST 32 79 80 #define MIN_ZERO_POLL_COUNT 10 81 82 /* 100 ms interval */ 83 #define TIMER_NUMBER_PER_SECOND 10 84 /* 100000 us */ 85 #define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND) 86 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25 87 88 #define APP_LOOKUP_EXACT_MATCH 0 89 #define APP_LOOKUP_LPM 1 90 #define DO_RFC_1812_CHECKS 91 92 #ifndef APP_LOOKUP_METHOD 93 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM 94 #endif 95 96 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 97 #include <rte_hash.h> 98 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 99 #include <rte_lpm.h> 100 #else 101 #error "APP_LOOKUP_METHOD set to incorrect value" 102 #endif 103 104 #ifndef IPv6_BYTES 105 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\ 106 "%02x%02x:%02x%02x:%02x%02x:%02x%02x" 107 #define IPv6_BYTES(addr) \ 108 addr[0], addr[1], addr[2], addr[3], \ 109 addr[4], addr[5], addr[6], addr[7], \ 110 addr[8], addr[9], addr[10], addr[11],\ 111 addr[12], addr[13],addr[14], addr[15] 112 #endif 113 114 #define MAX_JUMBO_PKT_LEN 9600 115 116 #define IPV6_ADDR_LEN 16 117 118 #define MEMPOOL_CACHE_SIZE 256 119 120 /* 121 * This expression is used to calculate the number of mbufs needed depending on 122 * user input, taking into account memory for rx and tx hardware rings, cache 123 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that 124 * NB_MBUF never goes below a minimum value of 8192. 125 */ 126 127 #define NB_MBUF RTE_MAX ( \ 128 (nb_ports*nb_rx_queue*nb_rxd + \ 129 nb_ports*nb_lcores*MAX_PKT_BURST + \ 130 nb_ports*n_tx_queue*nb_txd + \ 131 nb_lcores*MEMPOOL_CACHE_SIZE), \ 132 (unsigned)8192) 133 134 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 135 136 #define NB_SOCKETS 8 137 138 /* Configure how many packets ahead to prefetch, when reading packets */ 139 #define PREFETCH_OFFSET 3 140 141 /* 142 * Configurable number of RX/TX ring descriptors 143 */ 144 #define RTE_TEST_RX_DESC_DEFAULT 512 145 #define RTE_TEST_TX_DESC_DEFAULT 512 146 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 147 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 148 149 /* ethernet addresses of ports */ 150 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 151 152 /* ethernet addresses of ports */ 153 static rte_spinlock_t locks[RTE_MAX_ETHPORTS]; 154 155 /* mask of enabled ports */ 156 static uint32_t enabled_port_mask = 0; 157 /* Ports set in promiscuous mode off by default. */ 158 static int promiscuous_on = 0; 159 /* NUMA is enabled by default. */ 160 static int numa_on = 1; 161 static int parse_ptype; /**< Parse packet type using rx callback, and */ 162 /**< disabled by default */ 163 164 enum freq_scale_hint_t 165 { 166 FREQ_LOWER = -1, 167 FREQ_CURRENT = 0, 168 FREQ_HIGHER = 1, 169 FREQ_HIGHEST = 2 170 }; 171 172 struct lcore_rx_queue { 173 uint16_t port_id; 174 uint8_t queue_id; 175 enum freq_scale_hint_t freq_up_hint; 176 uint32_t zero_rx_packet_count; 177 uint32_t idle_hint; 178 } __rte_cache_aligned; 179 180 #define MAX_RX_QUEUE_PER_LCORE 16 181 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 182 #define MAX_RX_QUEUE_PER_PORT 128 183 184 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16 185 186 187 #define MAX_LCORE_PARAMS 1024 188 struct lcore_params { 189 uint16_t port_id; 190 uint8_t queue_id; 191 uint8_t lcore_id; 192 } __rte_cache_aligned; 193 194 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; 195 static struct lcore_params lcore_params_array_default[] = { 196 {0, 0, 2}, 197 {0, 1, 2}, 198 {0, 2, 2}, 199 {1, 0, 2}, 200 {1, 1, 2}, 201 {1, 2, 2}, 202 {2, 0, 2}, 203 {3, 0, 3}, 204 {3, 1, 3}, 205 }; 206 207 static struct lcore_params * lcore_params = lcore_params_array_default; 208 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / 209 sizeof(lcore_params_array_default[0]); 210 211 static struct rte_eth_conf port_conf = { 212 .rxmode = { 213 .mq_mode = ETH_MQ_RX_RSS, 214 .max_rx_pkt_len = ETHER_MAX_LEN, 215 .split_hdr_size = 0, 216 .header_split = 0, /**< Header Split disabled */ 217 .hw_ip_checksum = 1, /**< IP checksum offload enabled */ 218 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 219 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 220 .hw_strip_crc = 1, /**< CRC stripped by hardware */ 221 }, 222 .rx_adv_conf = { 223 .rss_conf = { 224 .rss_key = NULL, 225 .rss_hf = ETH_RSS_UDP, 226 }, 227 }, 228 .txmode = { 229 .mq_mode = ETH_MQ_TX_NONE, 230 }, 231 .intr_conf = { 232 .lsc = 1, 233 .rxq = 1, 234 }, 235 }; 236 237 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; 238 239 240 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 241 242 #ifdef RTE_ARCH_X86 243 #include <rte_hash_crc.h> 244 #define DEFAULT_HASH_FUNC rte_hash_crc 245 #else 246 #include <rte_jhash.h> 247 #define DEFAULT_HASH_FUNC rte_jhash 248 #endif 249 250 struct ipv4_5tuple { 251 uint32_t ip_dst; 252 uint32_t ip_src; 253 uint16_t port_dst; 254 uint16_t port_src; 255 uint8_t proto; 256 } __attribute__((__packed__)); 257 258 struct ipv6_5tuple { 259 uint8_t ip_dst[IPV6_ADDR_LEN]; 260 uint8_t ip_src[IPV6_ADDR_LEN]; 261 uint16_t port_dst; 262 uint16_t port_src; 263 uint8_t proto; 264 } __attribute__((__packed__)); 265 266 struct ipv4_l3fwd_route { 267 struct ipv4_5tuple key; 268 uint8_t if_out; 269 }; 270 271 struct ipv6_l3fwd_route { 272 struct ipv6_5tuple key; 273 uint8_t if_out; 274 }; 275 276 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 277 {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0}, 278 {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1}, 279 {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2}, 280 {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3}, 281 }; 282 283 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 284 { 285 { 286 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 287 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05}, 288 {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 289 0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a}, 290 1, 10, IPPROTO_UDP 291 }, 4 292 }, 293 }; 294 295 typedef struct rte_hash lookup_struct_t; 296 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 297 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 298 299 #define L3FWD_HASH_ENTRIES 1024 300 301 #define IPV4_L3FWD_NUM_ROUTES \ 302 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0])) 303 304 #define IPV6_L3FWD_NUM_ROUTES \ 305 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0])) 306 307 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 308 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 309 #endif 310 311 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 312 struct ipv4_l3fwd_route { 313 uint32_t ip; 314 uint8_t depth; 315 uint8_t if_out; 316 }; 317 318 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 319 {IPv4(1,1,1,0), 24, 0}, 320 {IPv4(2,1,1,0), 24, 1}, 321 {IPv4(3,1,1,0), 24, 2}, 322 {IPv4(4,1,1,0), 24, 3}, 323 {IPv4(5,1,1,0), 24, 4}, 324 {IPv4(6,1,1,0), 24, 5}, 325 {IPv4(7,1,1,0), 24, 6}, 326 {IPv4(8,1,1,0), 24, 7}, 327 }; 328 329 #define IPV4_L3FWD_NUM_ROUTES \ 330 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0])) 331 332 #define IPV4_L3FWD_LPM_MAX_RULES 1024 333 334 typedef struct rte_lpm lookup_struct_t; 335 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 336 #endif 337 338 struct lcore_conf { 339 uint16_t n_rx_queue; 340 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 341 uint16_t n_tx_port; 342 uint16_t tx_port_id[RTE_MAX_ETHPORTS]; 343 uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; 344 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; 345 lookup_struct_t * ipv4_lookup_struct; 346 lookup_struct_t * ipv6_lookup_struct; 347 } __rte_cache_aligned; 348 349 struct lcore_stats { 350 /* total sleep time in ms since last frequency scaling down */ 351 uint32_t sleep_time; 352 /* number of long sleep recently */ 353 uint32_t nb_long_sleep; 354 /* freq. scaling up trend */ 355 uint32_t trend; 356 /* total packet processed recently */ 357 uint64_t nb_rx_processed; 358 /* total iterations looped recently */ 359 uint64_t nb_iteration_looped; 360 uint32_t padding[9]; 361 } __rte_cache_aligned; 362 363 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned; 364 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned; 365 static struct rte_timer power_timers[RTE_MAX_LCORE]; 366 367 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count); 368 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \ 369 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id); 370 371 /* exit signal handler */ 372 static void 373 signal_exit_now(int sigtype) 374 { 375 unsigned lcore_id; 376 unsigned int portid, nb_ports; 377 int ret; 378 379 if (sigtype == SIGINT) { 380 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 381 if (rte_lcore_is_enabled(lcore_id) == 0) 382 continue; 383 384 /* init power management library */ 385 ret = rte_power_exit(lcore_id); 386 if (ret) 387 rte_exit(EXIT_FAILURE, "Power management " 388 "library de-initialization failed on " 389 "core%u\n", lcore_id); 390 } 391 392 nb_ports = rte_eth_dev_count(); 393 for (portid = 0; portid < nb_ports; portid++) { 394 if ((enabled_port_mask & (1 << portid)) == 0) 395 continue; 396 397 rte_eth_dev_stop(portid); 398 rte_eth_dev_close(portid); 399 } 400 } 401 402 rte_exit(EXIT_SUCCESS, "User forced exit\n"); 403 } 404 405 /* Freqency scale down timer callback */ 406 static void 407 power_timer_cb(__attribute__((unused)) struct rte_timer *tim, 408 __attribute__((unused)) void *arg) 409 { 410 uint64_t hz; 411 float sleep_time_ratio; 412 unsigned lcore_id = rte_lcore_id(); 413 414 /* accumulate total execution time in us when callback is invoked */ 415 sleep_time_ratio = (float)(stats[lcore_id].sleep_time) / 416 (float)SCALING_PERIOD; 417 /** 418 * check whether need to scale down frequency a step if it sleep a lot. 419 */ 420 if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) { 421 if (rte_power_freq_down) 422 rte_power_freq_down(lcore_id); 423 } 424 else if ( (unsigned)(stats[lcore_id].nb_rx_processed / 425 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) { 426 /** 427 * scale down a step if average packet per iteration less 428 * than expectation. 429 */ 430 if (rte_power_freq_down) 431 rte_power_freq_down(lcore_id); 432 } 433 434 /** 435 * initialize another timer according to current frequency to ensure 436 * timer interval is relatively fixed. 437 */ 438 hz = rte_get_timer_hz(); 439 rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND, 440 SINGLE, lcore_id, power_timer_cb, NULL); 441 442 stats[lcore_id].nb_rx_processed = 0; 443 stats[lcore_id].nb_iteration_looped = 0; 444 445 stats[lcore_id].sleep_time = 0; 446 } 447 448 /* Enqueue a single packet, and send burst if queue is filled */ 449 static inline int 450 send_single_packet(struct rte_mbuf *m, uint16_t port) 451 { 452 uint32_t lcore_id; 453 struct lcore_conf *qconf; 454 455 lcore_id = rte_lcore_id(); 456 qconf = &lcore_conf[lcore_id]; 457 458 rte_eth_tx_buffer(port, qconf->tx_queue_id[port], 459 qconf->tx_buffer[port], m); 460 461 return 0; 462 } 463 464 #ifdef DO_RFC_1812_CHECKS 465 static inline int 466 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len) 467 { 468 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */ 469 /* 470 * 1. The packet length reported by the Link Layer must be large 471 * enough to hold the minimum length legal IP datagram (20 bytes). 472 */ 473 if (link_len < sizeof(struct ipv4_hdr)) 474 return -1; 475 476 /* 2. The IP checksum must be correct. */ 477 /* this is checked in H/W */ 478 479 /* 480 * 3. The IP version number must be 4. If the version number is not 4 481 * then the packet may be another version of IP, such as IPng or 482 * ST-II. 483 */ 484 if (((pkt->version_ihl) >> 4) != 4) 485 return -3; 486 /* 487 * 4. The IP header length field must be large enough to hold the 488 * minimum length legal IP datagram (20 bytes = 5 words). 489 */ 490 if ((pkt->version_ihl & 0xf) < 5) 491 return -4; 492 493 /* 494 * 5. The IP total length field must be large enough to hold the IP 495 * datagram header, whose length is specified in the IP header length 496 * field. 497 */ 498 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr)) 499 return -5; 500 501 return 0; 502 } 503 #endif 504 505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 506 static void 507 print_ipv4_key(struct ipv4_5tuple key) 508 { 509 printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, " 510 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src, 511 key.port_dst, key.port_src, key.proto); 512 } 513 static void 514 print_ipv6_key(struct ipv6_5tuple key) 515 { 516 printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", " 517 "port dst = %d, port src = %d, proto = %d\n", 518 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src), 519 key.port_dst, key.port_src, key.proto); 520 } 521 522 static inline uint16_t 523 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid, 524 lookup_struct_t * ipv4_l3fwd_lookup_struct) 525 { 526 struct ipv4_5tuple key; 527 struct tcp_hdr *tcp; 528 struct udp_hdr *udp; 529 int ret = 0; 530 531 key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr); 532 key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr); 533 key.proto = ipv4_hdr->next_proto_id; 534 535 switch (ipv4_hdr->next_proto_id) { 536 case IPPROTO_TCP: 537 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr + 538 sizeof(struct ipv4_hdr)); 539 key.port_dst = rte_be_to_cpu_16(tcp->dst_port); 540 key.port_src = rte_be_to_cpu_16(tcp->src_port); 541 break; 542 543 case IPPROTO_UDP: 544 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr + 545 sizeof(struct ipv4_hdr)); 546 key.port_dst = rte_be_to_cpu_16(udp->dst_port); 547 key.port_src = rte_be_to_cpu_16(udp->src_port); 548 break; 549 550 default: 551 key.port_dst = 0; 552 key.port_src = 0; 553 break; 554 } 555 556 /* Find destination port */ 557 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key); 558 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]); 559 } 560 561 static inline uint16_t 562 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid, 563 lookup_struct_t *ipv6_l3fwd_lookup_struct) 564 { 565 struct ipv6_5tuple key; 566 struct tcp_hdr *tcp; 567 struct udp_hdr *udp; 568 int ret = 0; 569 570 memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN); 571 memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN); 572 573 key.proto = ipv6_hdr->proto; 574 575 switch (ipv6_hdr->proto) { 576 case IPPROTO_TCP: 577 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr + 578 sizeof(struct ipv6_hdr)); 579 key.port_dst = rte_be_to_cpu_16(tcp->dst_port); 580 key.port_src = rte_be_to_cpu_16(tcp->src_port); 581 break; 582 583 case IPPROTO_UDP: 584 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr + 585 sizeof(struct ipv6_hdr)); 586 key.port_dst = rte_be_to_cpu_16(udp->dst_port); 587 key.port_src = rte_be_to_cpu_16(udp->src_port); 588 break; 589 590 default: 591 key.port_dst = 0; 592 key.port_src = 0; 593 break; 594 } 595 596 /* Find destination port */ 597 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key); 598 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]); 599 } 600 #endif 601 602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 603 static inline uint16_t 604 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid, 605 lookup_struct_t *ipv4_l3fwd_lookup_struct) 606 { 607 uint32_t next_hop; 608 609 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct, 610 rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)? 611 next_hop : portid); 612 } 613 #endif 614 615 static inline void 616 parse_ptype_one(struct rte_mbuf *m) 617 { 618 struct ether_hdr *eth_hdr; 619 uint32_t packet_type = RTE_PTYPE_UNKNOWN; 620 uint16_t ether_type; 621 622 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); 623 ether_type = eth_hdr->ether_type; 624 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) 625 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; 626 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) 627 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; 628 629 m->packet_type = packet_type; 630 } 631 632 static uint16_t 633 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused, 634 struct rte_mbuf *pkts[], uint16_t nb_pkts, 635 uint16_t max_pkts __rte_unused, 636 void *user_param __rte_unused) 637 { 638 unsigned int i; 639 640 for (i = 0; i < nb_pkts; ++i) 641 parse_ptype_one(pkts[i]); 642 643 return nb_pkts; 644 } 645 646 static int 647 add_cb_parse_ptype(uint16_t portid, uint16_t queueid) 648 { 649 printf("Port %d: softly parse packet type info\n", portid); 650 if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL)) 651 return 0; 652 653 printf("Failed to add rx callback: port=%d\n", portid); 654 return -1; 655 } 656 657 static inline void 658 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid, 659 struct lcore_conf *qconf) 660 { 661 struct ether_hdr *eth_hdr; 662 struct ipv4_hdr *ipv4_hdr; 663 void *d_addr_bytes; 664 uint16_t dst_port; 665 666 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); 667 668 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) { 669 /* Handle IPv4 headers.*/ 670 ipv4_hdr = 671 rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, 672 sizeof(struct ether_hdr)); 673 674 #ifdef DO_RFC_1812_CHECKS 675 /* Check to make sure the packet is valid (RFC1812) */ 676 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) { 677 rte_pktmbuf_free(m); 678 return; 679 } 680 #endif 681 682 dst_port = get_ipv4_dst_port(ipv4_hdr, portid, 683 qconf->ipv4_lookup_struct); 684 if (dst_port >= RTE_MAX_ETHPORTS || 685 (enabled_port_mask & 1 << dst_port) == 0) 686 dst_port = portid; 687 688 /* 02:00:00:00:00:xx */ 689 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0]; 690 *((uint64_t *)d_addr_bytes) = 691 0x000000000002 + ((uint64_t)dst_port << 40); 692 693 #ifdef DO_RFC_1812_CHECKS 694 /* Update time to live and header checksum */ 695 --(ipv4_hdr->time_to_live); 696 ++(ipv4_hdr->hdr_checksum); 697 #endif 698 699 /* src addr */ 700 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr); 701 702 send_single_packet(m, dst_port); 703 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { 704 /* Handle IPv6 headers.*/ 705 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 706 struct ipv6_hdr *ipv6_hdr; 707 708 ipv6_hdr = 709 rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *, 710 sizeof(struct ether_hdr)); 711 712 dst_port = get_ipv6_dst_port(ipv6_hdr, portid, 713 qconf->ipv6_lookup_struct); 714 715 if (dst_port >= RTE_MAX_ETHPORTS || 716 (enabled_port_mask & 1 << dst_port) == 0) 717 dst_port = portid; 718 719 /* 02:00:00:00:00:xx */ 720 d_addr_bytes = ð_hdr->d_addr.addr_bytes[0]; 721 *((uint64_t *)d_addr_bytes) = 722 0x000000000002 + ((uint64_t)dst_port << 40); 723 724 /* src addr */ 725 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr); 726 727 send_single_packet(m, dst_port); 728 #else 729 /* We don't currently handle IPv6 packets in LPM mode. */ 730 rte_pktmbuf_free(m); 731 #endif 732 } else 733 rte_pktmbuf_free(m); 734 735 } 736 737 #define MINIMUM_SLEEP_TIME 1 738 #define SUSPEND_THRESHOLD 300 739 740 static inline uint32_t 741 power_idle_heuristic(uint32_t zero_rx_packet_count) 742 { 743 /* If zero count is less than 100, sleep 1us */ 744 if (zero_rx_packet_count < SUSPEND_THRESHOLD) 745 return MINIMUM_SLEEP_TIME; 746 /* If zero count is less than 1000, sleep 100 us which is the 747 minimum latency switching from C3/C6 to C0 748 */ 749 else 750 return SUSPEND_THRESHOLD; 751 } 752 753 static inline enum freq_scale_hint_t 754 power_freq_scaleup_heuristic(unsigned lcore_id, 755 uint16_t port_id, 756 uint16_t queue_id) 757 { 758 /** 759 * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries 760 * per iteration 761 */ 762 #define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST 763 #define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2) 764 #define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3) 765 #define FREQ_UP_TREND1_ACC 1 766 #define FREQ_UP_TREND2_ACC 100 767 #define FREQ_UP_THRESHOLD 10000 768 769 if (likely(rte_eth_rx_descriptor_done(port_id, queue_id, 770 FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) { 771 stats[lcore_id].trend = 0; 772 return FREQ_HIGHEST; 773 } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id, 774 FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0)) 775 stats[lcore_id].trend += FREQ_UP_TREND2_ACC; 776 else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id, 777 FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0)) 778 stats[lcore_id].trend += FREQ_UP_TREND1_ACC; 779 780 if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) { 781 stats[lcore_id].trend = 0; 782 return FREQ_HIGHER; 783 } 784 785 return FREQ_CURRENT; 786 } 787 788 /** 789 * force polling thread sleep until one-shot rx interrupt triggers 790 * @param port_id 791 * Port id. 792 * @param queue_id 793 * Rx queue id. 794 * @return 795 * 0 on success 796 */ 797 static int 798 sleep_until_rx_interrupt(int num) 799 { 800 struct rte_epoll_event event[num]; 801 int n, i; 802 uint16_t port_id; 803 uint8_t queue_id; 804 void *data; 805 806 RTE_LOG(INFO, L3FWD_POWER, 807 "lcore %u sleeps until interrupt triggers\n", 808 rte_lcore_id()); 809 810 n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1); 811 for (i = 0; i < n; i++) { 812 data = event[i].epdata.data; 813 port_id = ((uintptr_t)data) >> CHAR_BIT; 814 queue_id = ((uintptr_t)data) & 815 RTE_LEN2MASK(CHAR_BIT, uint8_t); 816 rte_eth_dev_rx_intr_disable(port_id, queue_id); 817 RTE_LOG(INFO, L3FWD_POWER, 818 "lcore %u is waked up from rx interrupt on" 819 " port %d queue %d\n", 820 rte_lcore_id(), port_id, queue_id); 821 } 822 823 return 0; 824 } 825 826 static void turn_on_intr(struct lcore_conf *qconf) 827 { 828 int i; 829 struct lcore_rx_queue *rx_queue; 830 uint8_t queue_id; 831 uint16_t port_id; 832 833 for (i = 0; i < qconf->n_rx_queue; ++i) { 834 rx_queue = &(qconf->rx_queue_list[i]); 835 port_id = rx_queue->port_id; 836 queue_id = rx_queue->queue_id; 837 838 rte_spinlock_lock(&(locks[port_id])); 839 rte_eth_dev_rx_intr_enable(port_id, queue_id); 840 rte_spinlock_unlock(&(locks[port_id])); 841 } 842 } 843 844 static int event_register(struct lcore_conf *qconf) 845 { 846 struct lcore_rx_queue *rx_queue; 847 uint8_t queueid; 848 uint16_t portid; 849 uint32_t data; 850 int ret; 851 int i; 852 853 for (i = 0; i < qconf->n_rx_queue; ++i) { 854 rx_queue = &(qconf->rx_queue_list[i]); 855 portid = rx_queue->port_id; 856 queueid = rx_queue->queue_id; 857 data = portid << CHAR_BIT | queueid; 858 859 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid, 860 RTE_EPOLL_PER_THREAD, 861 RTE_INTR_EVENT_ADD, 862 (void *)((uintptr_t)data)); 863 if (ret) 864 return ret; 865 } 866 867 return 0; 868 } 869 870 /* main processing loop */ 871 static int 872 main_loop(__attribute__((unused)) void *dummy) 873 { 874 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 875 unsigned lcore_id; 876 uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz; 877 uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power; 878 int i, j, nb_rx; 879 uint8_t queueid; 880 uint16_t portid; 881 struct lcore_conf *qconf; 882 struct lcore_rx_queue *rx_queue; 883 enum freq_scale_hint_t lcore_scaleup_hint; 884 uint32_t lcore_rx_idle_count = 0; 885 uint32_t lcore_idle_hint = 0; 886 int intr_en = 0; 887 888 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; 889 890 prev_tsc = 0; 891 hz = rte_get_timer_hz(); 892 tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND; 893 894 lcore_id = rte_lcore_id(); 895 qconf = &lcore_conf[lcore_id]; 896 897 if (qconf->n_rx_queue == 0) { 898 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id); 899 return 0; 900 } 901 902 RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id); 903 904 for (i = 0; i < qconf->n_rx_queue; i++) { 905 portid = qconf->rx_queue_list[i].port_id; 906 queueid = qconf->rx_queue_list[i].queue_id; 907 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u " 908 "rxqueueid=%hhu\n", lcore_id, portid, queueid); 909 } 910 911 /* add into event wait list */ 912 if (event_register(qconf) == 0) 913 intr_en = 1; 914 else 915 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n"); 916 917 while (1) { 918 stats[lcore_id].nb_iteration_looped++; 919 920 cur_tsc = rte_rdtsc(); 921 cur_tsc_power = cur_tsc; 922 923 /* 924 * TX burst queue drain 925 */ 926 diff_tsc = cur_tsc - prev_tsc; 927 if (unlikely(diff_tsc > drain_tsc)) { 928 for (i = 0; i < qconf->n_tx_port; ++i) { 929 portid = qconf->tx_port_id[i]; 930 rte_eth_tx_buffer_flush(portid, 931 qconf->tx_queue_id[portid], 932 qconf->tx_buffer[portid]); 933 } 934 prev_tsc = cur_tsc; 935 } 936 937 diff_tsc_power = cur_tsc_power - prev_tsc_power; 938 if (diff_tsc_power > tim_res_tsc) { 939 rte_timer_manage(); 940 prev_tsc_power = cur_tsc_power; 941 } 942 943 start_rx: 944 /* 945 * Read packet from RX queues 946 */ 947 lcore_scaleup_hint = FREQ_CURRENT; 948 lcore_rx_idle_count = 0; 949 for (i = 0; i < qconf->n_rx_queue; ++i) { 950 rx_queue = &(qconf->rx_queue_list[i]); 951 rx_queue->idle_hint = 0; 952 portid = rx_queue->port_id; 953 queueid = rx_queue->queue_id; 954 955 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 956 MAX_PKT_BURST); 957 958 stats[lcore_id].nb_rx_processed += nb_rx; 959 if (unlikely(nb_rx == 0)) { 960 /** 961 * no packet received from rx queue, try to 962 * sleep for a while forcing CPU enter deeper 963 * C states. 964 */ 965 rx_queue->zero_rx_packet_count++; 966 967 if (rx_queue->zero_rx_packet_count <= 968 MIN_ZERO_POLL_COUNT) 969 continue; 970 971 rx_queue->idle_hint = power_idle_heuristic(\ 972 rx_queue->zero_rx_packet_count); 973 lcore_rx_idle_count++; 974 } else { 975 rx_queue->zero_rx_packet_count = 0; 976 977 /** 978 * do not scale up frequency immediately as 979 * user to kernel space communication is costly 980 * which might impact packet I/O for received 981 * packets. 982 */ 983 rx_queue->freq_up_hint = 984 power_freq_scaleup_heuristic(lcore_id, 985 portid, queueid); 986 } 987 988 /* Prefetch first packets */ 989 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) { 990 rte_prefetch0(rte_pktmbuf_mtod( 991 pkts_burst[j], void *)); 992 } 993 994 /* Prefetch and forward already prefetched packets */ 995 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 996 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 997 j + PREFETCH_OFFSET], void *)); 998 l3fwd_simple_forward(pkts_burst[j], portid, 999 qconf); 1000 } 1001 1002 /* Forward remaining prefetched packets */ 1003 for (; j < nb_rx; j++) { 1004 l3fwd_simple_forward(pkts_burst[j], portid, 1005 qconf); 1006 } 1007 } 1008 1009 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) { 1010 for (i = 1, lcore_scaleup_hint = 1011 qconf->rx_queue_list[0].freq_up_hint; 1012 i < qconf->n_rx_queue; ++i) { 1013 rx_queue = &(qconf->rx_queue_list[i]); 1014 if (rx_queue->freq_up_hint > 1015 lcore_scaleup_hint) 1016 lcore_scaleup_hint = 1017 rx_queue->freq_up_hint; 1018 } 1019 1020 if (lcore_scaleup_hint == FREQ_HIGHEST) { 1021 if (rte_power_freq_max) 1022 rte_power_freq_max(lcore_id); 1023 } else if (lcore_scaleup_hint == FREQ_HIGHER) { 1024 if (rte_power_freq_up) 1025 rte_power_freq_up(lcore_id); 1026 } 1027 } else { 1028 /** 1029 * All Rx queues empty in recent consecutive polls, 1030 * sleep in a conservative manner, meaning sleep as 1031 * less as possible. 1032 */ 1033 for (i = 1, lcore_idle_hint = 1034 qconf->rx_queue_list[0].idle_hint; 1035 i < qconf->n_rx_queue; ++i) { 1036 rx_queue = &(qconf->rx_queue_list[i]); 1037 if (rx_queue->idle_hint < lcore_idle_hint) 1038 lcore_idle_hint = rx_queue->idle_hint; 1039 } 1040 1041 if (lcore_idle_hint < SUSPEND_THRESHOLD) 1042 /** 1043 * execute "pause" instruction to avoid context 1044 * switch which generally take hundred of 1045 * microseconds for short sleep. 1046 */ 1047 rte_delay_us(lcore_idle_hint); 1048 else { 1049 /* suspend until rx interrupt trigges */ 1050 if (intr_en) { 1051 turn_on_intr(qconf); 1052 sleep_until_rx_interrupt( 1053 qconf->n_rx_queue); 1054 /** 1055 * start receiving packets immediately 1056 */ 1057 goto start_rx; 1058 } 1059 } 1060 stats[lcore_id].sleep_time += lcore_idle_hint; 1061 } 1062 } 1063 } 1064 1065 static int 1066 check_lcore_params(void) 1067 { 1068 uint8_t queue, lcore; 1069 uint16_t i; 1070 int socketid; 1071 1072 for (i = 0; i < nb_lcore_params; ++i) { 1073 queue = lcore_params[i].queue_id; 1074 if (queue >= MAX_RX_QUEUE_PER_PORT) { 1075 printf("invalid queue number: %hhu\n", queue); 1076 return -1; 1077 } 1078 lcore = lcore_params[i].lcore_id; 1079 if (!rte_lcore_is_enabled(lcore)) { 1080 printf("error: lcore %hhu is not enabled in lcore " 1081 "mask\n", lcore); 1082 return -1; 1083 } 1084 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) && 1085 (numa_on == 0)) { 1086 printf("warning: lcore %hhu is on socket %d with numa " 1087 "off\n", lcore, socketid); 1088 } 1089 } 1090 return 0; 1091 } 1092 1093 static int 1094 check_port_config(const unsigned nb_ports) 1095 { 1096 unsigned portid; 1097 uint16_t i; 1098 1099 for (i = 0; i < nb_lcore_params; ++i) { 1100 portid = lcore_params[i].port_id; 1101 if ((enabled_port_mask & (1 << portid)) == 0) { 1102 printf("port %u is not enabled in port mask\n", 1103 portid); 1104 return -1; 1105 } 1106 if (portid >= nb_ports) { 1107 printf("port %u is not present on the board\n", 1108 portid); 1109 return -1; 1110 } 1111 } 1112 return 0; 1113 } 1114 1115 static uint8_t 1116 get_port_n_rx_queues(const uint16_t port) 1117 { 1118 int queue = -1; 1119 uint16_t i; 1120 1121 for (i = 0; i < nb_lcore_params; ++i) { 1122 if (lcore_params[i].port_id == port && 1123 lcore_params[i].queue_id > queue) 1124 queue = lcore_params[i].queue_id; 1125 } 1126 return (uint8_t)(++queue); 1127 } 1128 1129 static int 1130 init_lcore_rx_queues(void) 1131 { 1132 uint16_t i, nb_rx_queue; 1133 uint8_t lcore; 1134 1135 for (i = 0; i < nb_lcore_params; ++i) { 1136 lcore = lcore_params[i].lcore_id; 1137 nb_rx_queue = lcore_conf[lcore].n_rx_queue; 1138 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 1139 printf("error: too many queues (%u) for lcore: %u\n", 1140 (unsigned)nb_rx_queue + 1, (unsigned)lcore); 1141 return -1; 1142 } else { 1143 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = 1144 lcore_params[i].port_id; 1145 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = 1146 lcore_params[i].queue_id; 1147 lcore_conf[lcore].n_rx_queue++; 1148 } 1149 } 1150 return 0; 1151 } 1152 1153 /* display usage */ 1154 static void 1155 print_usage(const char *prgname) 1156 { 1157 printf ("%s [EAL options] -- -p PORTMASK -P" 1158 " [--config (port,queue,lcore)[,(port,queue,lcore]]" 1159 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n" 1160 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 1161 " -P : enable promiscuous mode\n" 1162 " --config (port,queue,lcore): rx queues configuration\n" 1163 " --no-numa: optional, disable numa awareness\n" 1164 " --enable-jumbo: enable jumbo frame" 1165 " which max packet len is PKTLEN in decimal (64-9600)\n" 1166 " --parse-ptype: parse packet type by software\n", 1167 prgname); 1168 } 1169 1170 static int parse_max_pkt_len(const char *pktlen) 1171 { 1172 char *end = NULL; 1173 unsigned long len; 1174 1175 /* parse decimal string */ 1176 len = strtoul(pktlen, &end, 10); 1177 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 1178 return -1; 1179 1180 if (len == 0) 1181 return -1; 1182 1183 return len; 1184 } 1185 1186 static int 1187 parse_portmask(const char *portmask) 1188 { 1189 char *end = NULL; 1190 unsigned long pm; 1191 1192 /* parse hexadecimal string */ 1193 pm = strtoul(portmask, &end, 16); 1194 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 1195 return -1; 1196 1197 if (pm == 0) 1198 return -1; 1199 1200 return pm; 1201 } 1202 1203 static int 1204 parse_config(const char *q_arg) 1205 { 1206 char s[256]; 1207 const char *p, *p0 = q_arg; 1208 char *end; 1209 enum fieldnames { 1210 FLD_PORT = 0, 1211 FLD_QUEUE, 1212 FLD_LCORE, 1213 _NUM_FLD 1214 }; 1215 unsigned long int_fld[_NUM_FLD]; 1216 char *str_fld[_NUM_FLD]; 1217 int i; 1218 unsigned size; 1219 1220 nb_lcore_params = 0; 1221 1222 while ((p = strchr(p0,'(')) != NULL) { 1223 ++p; 1224 if((p0 = strchr(p,')')) == NULL) 1225 return -1; 1226 1227 size = p0 - p; 1228 if(size >= sizeof(s)) 1229 return -1; 1230 1231 snprintf(s, sizeof(s), "%.*s", size, p); 1232 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != 1233 _NUM_FLD) 1234 return -1; 1235 for (i = 0; i < _NUM_FLD; i++){ 1236 errno = 0; 1237 int_fld[i] = strtoul(str_fld[i], &end, 0); 1238 if (errno != 0 || end == str_fld[i] || int_fld[i] > 1239 255) 1240 return -1; 1241 } 1242 if (nb_lcore_params >= MAX_LCORE_PARAMS) { 1243 printf("exceeded max number of lcore params: %hu\n", 1244 nb_lcore_params); 1245 return -1; 1246 } 1247 lcore_params_array[nb_lcore_params].port_id = 1248 (uint8_t)int_fld[FLD_PORT]; 1249 lcore_params_array[nb_lcore_params].queue_id = 1250 (uint8_t)int_fld[FLD_QUEUE]; 1251 lcore_params_array[nb_lcore_params].lcore_id = 1252 (uint8_t)int_fld[FLD_LCORE]; 1253 ++nb_lcore_params; 1254 } 1255 lcore_params = lcore_params_array; 1256 1257 return 0; 1258 } 1259 1260 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 1261 1262 /* Parse the argument given in the command line of the application */ 1263 static int 1264 parse_args(int argc, char **argv) 1265 { 1266 int opt, ret; 1267 char **argvopt; 1268 int option_index; 1269 char *prgname = argv[0]; 1270 static struct option lgopts[] = { 1271 {"config", 1, 0, 0}, 1272 {"no-numa", 0, 0, 0}, 1273 {"enable-jumbo", 0, 0, 0}, 1274 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0}, 1275 {NULL, 0, 0, 0} 1276 }; 1277 1278 argvopt = argv; 1279 1280 while ((opt = getopt_long(argc, argvopt, "p:P", 1281 lgopts, &option_index)) != EOF) { 1282 1283 switch (opt) { 1284 /* portmask */ 1285 case 'p': 1286 enabled_port_mask = parse_portmask(optarg); 1287 if (enabled_port_mask == 0) { 1288 printf("invalid portmask\n"); 1289 print_usage(prgname); 1290 return -1; 1291 } 1292 break; 1293 case 'P': 1294 printf("Promiscuous mode selected\n"); 1295 promiscuous_on = 1; 1296 break; 1297 1298 /* long options */ 1299 case 0: 1300 if (!strncmp(lgopts[option_index].name, "config", 6)) { 1301 ret = parse_config(optarg); 1302 if (ret) { 1303 printf("invalid config\n"); 1304 print_usage(prgname); 1305 return -1; 1306 } 1307 } 1308 1309 if (!strncmp(lgopts[option_index].name, 1310 "no-numa", 7)) { 1311 printf("numa is disabled \n"); 1312 numa_on = 0; 1313 } 1314 1315 if (!strncmp(lgopts[option_index].name, 1316 "enable-jumbo", 12)) { 1317 struct option lenopts = 1318 {"max-pkt-len", required_argument, \ 1319 0, 0}; 1320 1321 printf("jumbo frame is enabled \n"); 1322 port_conf.rxmode.jumbo_frame = 1; 1323 1324 /** 1325 * if no max-pkt-len set, use the default value 1326 * ETHER_MAX_LEN 1327 */ 1328 if (0 == getopt_long(argc, argvopt, "", 1329 &lenopts, &option_index)) { 1330 ret = parse_max_pkt_len(optarg); 1331 if ((ret < 64) || 1332 (ret > MAX_JUMBO_PKT_LEN)){ 1333 printf("invalid packet " 1334 "length\n"); 1335 print_usage(prgname); 1336 return -1; 1337 } 1338 port_conf.rxmode.max_rx_pkt_len = ret; 1339 } 1340 printf("set jumbo frame " 1341 "max packet length to %u\n", 1342 (unsigned int)port_conf.rxmode.max_rx_pkt_len); 1343 } 1344 1345 if (!strncmp(lgopts[option_index].name, 1346 CMD_LINE_OPT_PARSE_PTYPE, 1347 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) { 1348 printf("soft parse-ptype is enabled\n"); 1349 parse_ptype = 1; 1350 } 1351 1352 break; 1353 1354 default: 1355 print_usage(prgname); 1356 return -1; 1357 } 1358 } 1359 1360 if (optind >= 0) 1361 argv[optind-1] = prgname; 1362 1363 ret = optind-1; 1364 optind = 1; /* reset getopt lib */ 1365 return ret; 1366 } 1367 1368 static void 1369 print_ethaddr(const char *name, const struct ether_addr *eth_addr) 1370 { 1371 char buf[ETHER_ADDR_FMT_SIZE]; 1372 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 1373 printf("%s%s", name, buf); 1374 } 1375 1376 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1377 static void 1378 setup_hash(int socketid) 1379 { 1380 struct rte_hash_parameters ipv4_l3fwd_hash_params = { 1381 .name = NULL, 1382 .entries = L3FWD_HASH_ENTRIES, 1383 .key_len = sizeof(struct ipv4_5tuple), 1384 .hash_func = DEFAULT_HASH_FUNC, 1385 .hash_func_init_val = 0, 1386 }; 1387 1388 struct rte_hash_parameters ipv6_l3fwd_hash_params = { 1389 .name = NULL, 1390 .entries = L3FWD_HASH_ENTRIES, 1391 .key_len = sizeof(struct ipv6_5tuple), 1392 .hash_func = DEFAULT_HASH_FUNC, 1393 .hash_func_init_val = 0, 1394 }; 1395 1396 unsigned i; 1397 int ret; 1398 char s[64]; 1399 1400 /* create ipv4 hash */ 1401 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid); 1402 ipv4_l3fwd_hash_params.name = s; 1403 ipv4_l3fwd_hash_params.socket_id = socketid; 1404 ipv4_l3fwd_lookup_struct[socketid] = 1405 rte_hash_create(&ipv4_l3fwd_hash_params); 1406 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 1407 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 1408 "socket %d\n", socketid); 1409 1410 /* create ipv6 hash */ 1411 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid); 1412 ipv6_l3fwd_hash_params.name = s; 1413 ipv6_l3fwd_hash_params.socket_id = socketid; 1414 ipv6_l3fwd_lookup_struct[socketid] = 1415 rte_hash_create(&ipv6_l3fwd_hash_params); 1416 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 1417 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 1418 "socket %d\n", socketid); 1419 1420 1421 /* populate the ipv4 hash */ 1422 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 1423 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid], 1424 (void *) &ipv4_l3fwd_route_array[i].key); 1425 if (ret < 0) { 1426 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the" 1427 "l3fwd hash on socket %d\n", i, socketid); 1428 } 1429 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out; 1430 printf("Hash: Adding key\n"); 1431 print_ipv4_key(ipv4_l3fwd_route_array[i].key); 1432 } 1433 1434 /* populate the ipv6 hash */ 1435 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) { 1436 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid], 1437 (void *) &ipv6_l3fwd_route_array[i].key); 1438 if (ret < 0) { 1439 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the" 1440 "l3fwd hash on socket %d\n", i, socketid); 1441 } 1442 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out; 1443 printf("Hash: Adding key\n"); 1444 print_ipv6_key(ipv6_l3fwd_route_array[i].key); 1445 } 1446 } 1447 #endif 1448 1449 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1450 static void 1451 setup_lpm(int socketid) 1452 { 1453 unsigned i; 1454 int ret; 1455 char s[64]; 1456 1457 /* create the LPM table */ 1458 struct rte_lpm_config lpm_ipv4_config; 1459 1460 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES; 1461 lpm_ipv4_config.number_tbl8s = 256; 1462 lpm_ipv4_config.flags = 0; 1463 1464 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid); 1465 ipv4_l3fwd_lookup_struct[socketid] = 1466 rte_lpm_create(s, socketid, &lpm_ipv4_config); 1467 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 1468 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 1469 " on socket %d\n", socketid); 1470 1471 /* populate the LPM table */ 1472 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 1473 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid], 1474 ipv4_l3fwd_route_array[i].ip, 1475 ipv4_l3fwd_route_array[i].depth, 1476 ipv4_l3fwd_route_array[i].if_out); 1477 1478 if (ret < 0) { 1479 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 1480 "l3fwd LPM table on socket %d\n", 1481 i, socketid); 1482 } 1483 1484 printf("LPM: Adding route 0x%08x / %d (%d)\n", 1485 (unsigned)ipv4_l3fwd_route_array[i].ip, 1486 ipv4_l3fwd_route_array[i].depth, 1487 ipv4_l3fwd_route_array[i].if_out); 1488 } 1489 } 1490 #endif 1491 1492 static int 1493 init_mem(unsigned nb_mbuf) 1494 { 1495 struct lcore_conf *qconf; 1496 int socketid; 1497 unsigned lcore_id; 1498 char s[64]; 1499 1500 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1501 if (rte_lcore_is_enabled(lcore_id) == 0) 1502 continue; 1503 1504 if (numa_on) 1505 socketid = rte_lcore_to_socket_id(lcore_id); 1506 else 1507 socketid = 0; 1508 1509 if (socketid >= NB_SOCKETS) { 1510 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is " 1511 "out of range %d\n", socketid, 1512 lcore_id, NB_SOCKETS); 1513 } 1514 if (pktmbuf_pool[socketid] == NULL) { 1515 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 1516 pktmbuf_pool[socketid] = 1517 rte_pktmbuf_pool_create(s, nb_mbuf, 1518 MEMPOOL_CACHE_SIZE, 0, 1519 RTE_MBUF_DEFAULT_BUF_SIZE, 1520 socketid); 1521 if (pktmbuf_pool[socketid] == NULL) 1522 rte_exit(EXIT_FAILURE, 1523 "Cannot init mbuf pool on socket %d\n", 1524 socketid); 1525 else 1526 printf("Allocated mbuf pool on socket %d\n", 1527 socketid); 1528 1529 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1530 setup_lpm(socketid); 1531 #else 1532 setup_hash(socketid); 1533 #endif 1534 } 1535 qconf = &lcore_conf[lcore_id]; 1536 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid]; 1537 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1538 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid]; 1539 #endif 1540 } 1541 return 0; 1542 } 1543 1544 /* Check the link status of all ports in up to 9s, and print them finally */ 1545 static void 1546 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask) 1547 { 1548 #define CHECK_INTERVAL 100 /* 100ms */ 1549 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 1550 uint8_t count, all_ports_up, print_flag = 0; 1551 uint16_t portid; 1552 struct rte_eth_link link; 1553 1554 printf("\nChecking link status"); 1555 fflush(stdout); 1556 for (count = 0; count <= MAX_CHECK_TIME; count++) { 1557 all_ports_up = 1; 1558 for (portid = 0; portid < port_num; portid++) { 1559 if ((port_mask & (1 << portid)) == 0) 1560 continue; 1561 memset(&link, 0, sizeof(link)); 1562 rte_eth_link_get_nowait(portid, &link); 1563 /* print link status if flag set */ 1564 if (print_flag == 1) { 1565 if (link.link_status) 1566 printf("Port %d Link Up - speed %u " 1567 "Mbps - %s\n", (uint8_t)portid, 1568 (unsigned)link.link_speed, 1569 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1570 ("full-duplex") : ("half-duplex\n")); 1571 else 1572 printf("Port %d Link Down\n", 1573 (uint8_t)portid); 1574 continue; 1575 } 1576 /* clear all_ports_up flag if any link down */ 1577 if (link.link_status == ETH_LINK_DOWN) { 1578 all_ports_up = 0; 1579 break; 1580 } 1581 } 1582 /* after finally printing all link status, get out */ 1583 if (print_flag == 1) 1584 break; 1585 1586 if (all_ports_up == 0) { 1587 printf("."); 1588 fflush(stdout); 1589 rte_delay_ms(CHECK_INTERVAL); 1590 } 1591 1592 /* set the print_flag if all ports up or timeout */ 1593 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 1594 print_flag = 1; 1595 printf("done\n"); 1596 } 1597 } 1598 } 1599 1600 static int check_ptype(uint16_t portid) 1601 { 1602 int i, ret; 1603 int ptype_l3_ipv4 = 0; 1604 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1605 int ptype_l3_ipv6 = 0; 1606 #endif 1607 uint32_t ptype_mask = RTE_PTYPE_L3_MASK; 1608 1609 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0); 1610 if (ret <= 0) 1611 return 0; 1612 1613 uint32_t ptypes[ret]; 1614 1615 ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret); 1616 for (i = 0; i < ret; ++i) { 1617 if (ptypes[i] & RTE_PTYPE_L3_IPV4) 1618 ptype_l3_ipv4 = 1; 1619 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1620 if (ptypes[i] & RTE_PTYPE_L3_IPV6) 1621 ptype_l3_ipv6 = 1; 1622 #endif 1623 } 1624 1625 if (ptype_l3_ipv4 == 0) 1626 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid); 1627 1628 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1629 if (ptype_l3_ipv6 == 0) 1630 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid); 1631 #endif 1632 1633 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1634 if (ptype_l3_ipv4) 1635 #else /* APP_LOOKUP_EXACT_MATCH */ 1636 if (ptype_l3_ipv4 && ptype_l3_ipv6) 1637 #endif 1638 return 1; 1639 1640 return 0; 1641 1642 } 1643 1644 int 1645 main(int argc, char **argv) 1646 { 1647 struct lcore_conf *qconf; 1648 struct rte_eth_dev_info dev_info; 1649 struct rte_eth_txconf *txconf; 1650 int ret; 1651 uint16_t nb_ports; 1652 uint16_t queueid; 1653 unsigned lcore_id; 1654 uint64_t hz; 1655 uint32_t n_tx_queue, nb_lcores; 1656 uint32_t dev_rxq_num, dev_txq_num; 1657 uint8_t nb_rx_queue, queue, socketid; 1658 uint16_t portid; 1659 uint16_t org_rxq_intr = port_conf.intr_conf.rxq; 1660 1661 /* catch SIGINT and restore cpufreq governor to ondemand */ 1662 signal(SIGINT, signal_exit_now); 1663 1664 /* init EAL */ 1665 ret = rte_eal_init(argc, argv); 1666 if (ret < 0) 1667 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 1668 argc -= ret; 1669 argv += ret; 1670 1671 /* init RTE timer library to be used late */ 1672 rte_timer_subsystem_init(); 1673 1674 /* parse application arguments (after the EAL ones) */ 1675 ret = parse_args(argc, argv); 1676 if (ret < 0) 1677 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 1678 1679 if (check_lcore_params() < 0) 1680 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 1681 1682 ret = init_lcore_rx_queues(); 1683 if (ret < 0) 1684 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); 1685 1686 nb_ports = rte_eth_dev_count(); 1687 1688 if (check_port_config(nb_ports) < 0) 1689 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 1690 1691 nb_lcores = rte_lcore_count(); 1692 1693 /* initialize all ports */ 1694 for (portid = 0; portid < nb_ports; portid++) { 1695 /* skip ports that are not enabled */ 1696 if ((enabled_port_mask & (1 << portid)) == 0) { 1697 printf("\nSkipping disabled port %d\n", portid); 1698 continue; 1699 } 1700 1701 /* init port */ 1702 printf("Initializing port %d ... ", portid ); 1703 fflush(stdout); 1704 1705 rte_eth_dev_info_get(portid, &dev_info); 1706 dev_rxq_num = dev_info.max_rx_queues; 1707 dev_txq_num = dev_info.max_tx_queues; 1708 1709 nb_rx_queue = get_port_n_rx_queues(portid); 1710 if (nb_rx_queue > dev_rxq_num) 1711 rte_exit(EXIT_FAILURE, 1712 "Cannot configure not existed rxq: " 1713 "port=%d\n", portid); 1714 1715 n_tx_queue = nb_lcores; 1716 if (n_tx_queue > dev_txq_num) 1717 n_tx_queue = dev_txq_num; 1718 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 1719 nb_rx_queue, (unsigned)n_tx_queue ); 1720 /* If number of Rx queue is 0, no need to enable Rx interrupt */ 1721 if (nb_rx_queue == 0) 1722 port_conf.intr_conf.rxq = 0; 1723 ret = rte_eth_dev_configure(portid, nb_rx_queue, 1724 (uint16_t)n_tx_queue, &port_conf); 1725 /* Revert to original value */ 1726 port_conf.intr_conf.rxq = org_rxq_intr; 1727 if (ret < 0) 1728 rte_exit(EXIT_FAILURE, "Cannot configure device: " 1729 "err=%d, port=%d\n", ret, portid); 1730 1731 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 1732 &nb_txd); 1733 if (ret < 0) 1734 rte_exit(EXIT_FAILURE, 1735 "Cannot adjust number of descriptors: err=%d, port=%d\n", 1736 ret, portid); 1737 1738 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 1739 print_ethaddr(" Address:", &ports_eth_addr[portid]); 1740 printf(", "); 1741 1742 /* init memory */ 1743 ret = init_mem(NB_MBUF); 1744 if (ret < 0) 1745 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 1746 1747 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1748 if (rte_lcore_is_enabled(lcore_id) == 0) 1749 continue; 1750 1751 /* Initialize TX buffers */ 1752 qconf = &lcore_conf[lcore_id]; 1753 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", 1754 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, 1755 rte_eth_dev_socket_id(portid)); 1756 if (qconf->tx_buffer[portid] == NULL) 1757 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n", 1758 portid); 1759 1760 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST); 1761 } 1762 1763 /* init one TX queue per couple (lcore,port) */ 1764 queueid = 0; 1765 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1766 if (rte_lcore_is_enabled(lcore_id) == 0) 1767 continue; 1768 1769 if (queueid >= dev_txq_num) 1770 continue; 1771 1772 if (numa_on) 1773 socketid = \ 1774 (uint8_t)rte_lcore_to_socket_id(lcore_id); 1775 else 1776 socketid = 0; 1777 1778 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 1779 fflush(stdout); 1780 1781 rte_eth_dev_info_get(portid, &dev_info); 1782 txconf = &dev_info.default_txconf; 1783 if (port_conf.rxmode.jumbo_frame) 1784 txconf->txq_flags = 0; 1785 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 1786 socketid, txconf); 1787 if (ret < 0) 1788 rte_exit(EXIT_FAILURE, 1789 "rte_eth_tx_queue_setup: err=%d, " 1790 "port=%d\n", ret, portid); 1791 1792 qconf = &lcore_conf[lcore_id]; 1793 qconf->tx_queue_id[portid] = queueid; 1794 queueid++; 1795 1796 qconf->tx_port_id[qconf->n_tx_port] = portid; 1797 qconf->n_tx_port++; 1798 } 1799 printf("\n"); 1800 } 1801 1802 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 1803 if (rte_lcore_is_enabled(lcore_id) == 0) 1804 continue; 1805 1806 /* init power management library */ 1807 ret = rte_power_init(lcore_id); 1808 if (ret) 1809 RTE_LOG(ERR, POWER, 1810 "Library initialization failed on core %u\n", lcore_id); 1811 1812 /* init timer structures for each enabled lcore */ 1813 rte_timer_init(&power_timers[lcore_id]); 1814 hz = rte_get_timer_hz(); 1815 rte_timer_reset(&power_timers[lcore_id], 1816 hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id, 1817 power_timer_cb, NULL); 1818 1819 qconf = &lcore_conf[lcore_id]; 1820 printf("\nInitializing rx queues on lcore %u ... ", lcore_id ); 1821 fflush(stdout); 1822 /* init RX queues */ 1823 for(queue = 0; queue < qconf->n_rx_queue; ++queue) { 1824 portid = qconf->rx_queue_list[queue].port_id; 1825 queueid = qconf->rx_queue_list[queue].queue_id; 1826 1827 if (numa_on) 1828 socketid = \ 1829 (uint8_t)rte_lcore_to_socket_id(lcore_id); 1830 else 1831 socketid = 0; 1832 1833 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 1834 fflush(stdout); 1835 1836 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 1837 socketid, NULL, 1838 pktmbuf_pool[socketid]); 1839 if (ret < 0) 1840 rte_exit(EXIT_FAILURE, 1841 "rte_eth_rx_queue_setup: err=%d, " 1842 "port=%d\n", ret, portid); 1843 1844 if (parse_ptype) { 1845 if (add_cb_parse_ptype(portid, queueid) < 0) 1846 rte_exit(EXIT_FAILURE, 1847 "Fail to add ptype cb\n"); 1848 } else if (!check_ptype(portid)) 1849 rte_exit(EXIT_FAILURE, 1850 "PMD can not provide needed ptypes\n"); 1851 } 1852 } 1853 1854 printf("\n"); 1855 1856 /* start ports */ 1857 for (portid = 0; portid < nb_ports; portid++) { 1858 if ((enabled_port_mask & (1 << portid)) == 0) { 1859 continue; 1860 } 1861 /* Start device */ 1862 ret = rte_eth_dev_start(portid); 1863 if (ret < 0) 1864 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, " 1865 "port=%d\n", ret, portid); 1866 /* 1867 * If enabled, put device in promiscuous mode. 1868 * This allows IO forwarding mode to forward packets 1869 * to itself through 2 cross-connected ports of the 1870 * target machine. 1871 */ 1872 if (promiscuous_on) 1873 rte_eth_promiscuous_enable(portid); 1874 /* initialize spinlock for each port */ 1875 rte_spinlock_init(&(locks[portid])); 1876 } 1877 1878 check_all_ports_link_status(nb_ports, enabled_port_mask); 1879 1880 /* launch per-lcore init on every lcore */ 1881 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); 1882 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1883 if (rte_eal_wait_lcore(lcore_id) < 0) 1884 return -1; 1885 } 1886 1887 return 0; 1888 } 1889