1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2016 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 16 #include <rte_common.h> 17 #include <rte_vect.h> 18 #include <rte_byteorder.h> 19 #include <rte_log.h> 20 #include <rte_memory.h> 21 #include <rte_memcpy.h> 22 #include <rte_eal.h> 23 #include <rte_launch.h> 24 #include <rte_atomic.h> 25 #include <rte_cycles.h> 26 #include <rte_prefetch.h> 27 #include <rte_lcore.h> 28 #include <rte_per_lcore.h> 29 #include <rte_branch_prediction.h> 30 #include <rte_interrupts.h> 31 #include <rte_random.h> 32 #include <rte_debug.h> 33 #include <rte_ether.h> 34 #include <rte_ethdev.h> 35 #include <rte_ring.h> 36 #include <rte_mempool.h> 37 #include <rte_mbuf.h> 38 #include <rte_ip.h> 39 #include <rte_tcp.h> 40 #include <rte_udp.h> 41 #include <rte_string_fns.h> 42 #include <rte_pause.h> 43 #include <rte_timer.h> 44 45 #include <cmdline_parse.h> 46 #include <cmdline_parse_etheraddr.h> 47 48 #include <lthread_api.h> 49 50 #define APP_LOOKUP_EXACT_MATCH 0 51 #define APP_LOOKUP_LPM 1 52 #define DO_RFC_1812_CHECKS 53 54 /* Enable cpu-load stats 0-off, 1-on */ 55 #define APP_CPU_LOAD 1 56 57 #ifndef APP_LOOKUP_METHOD 58 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM 59 #endif 60 61 #ifndef __GLIBC__ /* sched_getcpu() is glibc specific */ 62 #define sched_getcpu() rte_lcore_id() 63 #endif 64 65 static int 66 check_ptype(int portid) 67 { 68 int i, ret; 69 int ipv4 = 0, ipv6 = 0; 70 71 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK, NULL, 72 0); 73 if (ret <= 0) 74 return 0; 75 76 uint32_t ptypes[ret]; 77 78 ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK, 79 ptypes, ret); 80 for (i = 0; i < ret; ++i) { 81 if (ptypes[i] & RTE_PTYPE_L3_IPV4) 82 ipv4 = 1; 83 if (ptypes[i] & RTE_PTYPE_L3_IPV6) 84 ipv6 = 1; 85 } 86 87 if (ipv4 && ipv6) 88 return 1; 89 90 return 0; 91 } 92 93 static inline void 94 parse_ptype(struct rte_mbuf *m) 95 { 96 struct rte_ether_hdr *eth_hdr; 97 uint32_t packet_type = RTE_PTYPE_UNKNOWN; 98 uint16_t ether_type; 99 100 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 101 ether_type = eth_hdr->ether_type; 102 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) 103 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; 104 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) 105 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; 106 107 m->packet_type = packet_type; 108 } 109 110 static uint16_t 111 cb_parse_ptype(__rte_unused uint16_t port, __rte_unused uint16_t queue, 112 struct rte_mbuf *pkts[], uint16_t nb_pkts, 113 __rte_unused uint16_t max_pkts, __rte_unused void *user_param) 114 { 115 unsigned int i; 116 117 for (i = 0; i < nb_pkts; i++) 118 parse_ptype(pkts[i]); 119 120 return nb_pkts; 121 } 122 123 /* 124 * When set to zero, simple forwaring path is eanbled. 125 * When set to one, optimized forwarding path is enabled. 126 * Note that LPM optimisation path uses SSE4.1 instructions. 127 */ 128 #define ENABLE_MULTI_BUFFER_OPTIMIZE 1 129 130 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 131 #include <rte_hash.h> 132 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 133 #include <rte_lpm.h> 134 #include <rte_lpm6.h> 135 #else 136 #error "APP_LOOKUP_METHOD set to incorrect value" 137 #endif 138 139 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1 140 141 #define MAX_JUMBO_PKT_LEN 9600 142 143 #define IPV6_ADDR_LEN 16 144 145 #define MEMPOOL_CACHE_SIZE 256 146 147 /* 148 * This expression is used to calculate the number of mbufs needed depending on 149 * user input, taking into account memory for rx and tx hardware rings, cache 150 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that 151 * NB_MBUF never goes below a minimum value of 8192 152 */ 153 154 #define NB_MBUF RTE_MAX(\ 155 (nb_ports*nb_rx_queue*nb_rxd + \ 156 nb_ports*nb_lcores*MAX_PKT_BURST + \ 157 nb_ports*n_tx_queue*nb_txd + \ 158 nb_lcores*MEMPOOL_CACHE_SIZE), \ 159 (unsigned)8192) 160 161 #define MAX_PKT_BURST 32 162 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 163 164 /* 165 * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send. 166 */ 167 #define MAX_TX_BURST (MAX_PKT_BURST / 2) 168 #define BURST_SIZE MAX_TX_BURST 169 170 #define NB_SOCKETS 8 171 172 /* Configure how many packets ahead to prefetch, when reading packets */ 173 #define PREFETCH_OFFSET 3 174 175 /* Used to mark destination port as 'invalid'. */ 176 #define BAD_PORT ((uint16_t)-1) 177 178 #define FWDSTEP 4 179 180 /* 181 * Configurable number of RX/TX ring descriptors 182 */ 183 #define RTE_TEST_RX_DESC_DEFAULT 1024 184 #define RTE_TEST_TX_DESC_DEFAULT 1024 185 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 186 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 187 188 /* ethernet addresses of ports */ 189 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 190 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 191 192 static xmm_t val_eth[RTE_MAX_ETHPORTS]; 193 194 /* replace first 12B of the ethernet header. */ 195 #define MASK_ETH 0x3f 196 197 /* mask of enabled ports */ 198 static uint32_t enabled_port_mask; 199 static int promiscuous_on; /**< Set in promiscuous mode off by default. */ 200 static int numa_on = 1; /**< NUMA is enabled by default. */ 201 static int parse_ptype_on; 202 203 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 204 static int ipv6; /**< ipv6 is false by default. */ 205 #endif 206 207 #if (APP_CPU_LOAD == 1) 208 209 #define MAX_CPU RTE_MAX_LCORE 210 #define CPU_LOAD_TIMEOUT_US (5 * 1000 * 1000) /**< Timeout for collecting 5s */ 211 212 #define CPU_PROCESS 0 213 #define CPU_POLL 1 214 #define MAX_CPU_COUNTER 2 215 216 struct cpu_load { 217 uint16_t n_cpu; 218 uint64_t counter; 219 uint64_t hits[MAX_CPU_COUNTER][MAX_CPU]; 220 } __rte_cache_aligned; 221 222 static struct cpu_load cpu_load; 223 static int cpu_load_lcore_id = -1; 224 225 #define SET_CPU_BUSY(thread, counter) \ 226 thread->conf.busy[counter] = 1 227 228 #define SET_CPU_IDLE(thread, counter) \ 229 thread->conf.busy[counter] = 0 230 231 #define IS_CPU_BUSY(thread, counter) \ 232 (thread->conf.busy[counter] > 0) 233 234 #else 235 236 #define SET_CPU_BUSY(thread, counter) 237 #define SET_CPU_IDLE(thread, counter) 238 #define IS_CPU_BUSY(thread, counter) 0 239 240 #endif 241 242 struct mbuf_table { 243 uint16_t len; 244 struct rte_mbuf *m_table[MAX_PKT_BURST]; 245 }; 246 247 struct lcore_rx_queue { 248 uint16_t port_id; 249 uint8_t queue_id; 250 } __rte_cache_aligned; 251 252 #define MAX_RX_QUEUE_PER_LCORE 16 253 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 254 #define MAX_RX_QUEUE_PER_PORT 128 255 256 #define MAX_LCORE_PARAMS 1024 257 struct rx_thread_params { 258 uint16_t port_id; 259 uint8_t queue_id; 260 uint8_t lcore_id; 261 uint8_t thread_id; 262 } __rte_cache_aligned; 263 264 static struct rx_thread_params rx_thread_params_array[MAX_LCORE_PARAMS]; 265 static struct rx_thread_params rx_thread_params_array_default[] = { 266 {0, 0, 2, 0}, 267 {0, 1, 2, 1}, 268 {0, 2, 2, 2}, 269 {1, 0, 2, 3}, 270 {1, 1, 2, 4}, 271 {1, 2, 2, 5}, 272 {2, 0, 2, 6}, 273 {3, 0, 3, 7}, 274 {3, 1, 3, 8}, 275 }; 276 277 static struct rx_thread_params *rx_thread_params = 278 rx_thread_params_array_default; 279 static uint16_t nb_rx_thread_params = RTE_DIM(rx_thread_params_array_default); 280 281 struct tx_thread_params { 282 uint8_t lcore_id; 283 uint8_t thread_id; 284 } __rte_cache_aligned; 285 286 static struct tx_thread_params tx_thread_params_array[MAX_LCORE_PARAMS]; 287 static struct tx_thread_params tx_thread_params_array_default[] = { 288 {4, 0}, 289 {5, 1}, 290 {6, 2}, 291 {7, 3}, 292 {8, 4}, 293 {9, 5}, 294 {10, 6}, 295 {11, 7}, 296 {12, 8}, 297 }; 298 299 static struct tx_thread_params *tx_thread_params = 300 tx_thread_params_array_default; 301 static uint16_t nb_tx_thread_params = RTE_DIM(tx_thread_params_array_default); 302 303 static struct rte_eth_conf port_conf = { 304 .rxmode = { 305 .mq_mode = ETH_MQ_RX_RSS, 306 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 307 .split_hdr_size = 0, 308 .offloads = DEV_RX_OFFLOAD_CHECKSUM, 309 }, 310 .rx_adv_conf = { 311 .rss_conf = { 312 .rss_key = NULL, 313 .rss_hf = ETH_RSS_TCP, 314 }, 315 }, 316 .txmode = { 317 .mq_mode = ETH_MQ_TX_NONE, 318 }, 319 }; 320 321 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS]; 322 323 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 324 325 #include <rte_hash_crc.h> 326 #define DEFAULT_HASH_FUNC rte_hash_crc 327 328 struct ipv4_5tuple { 329 uint32_t ip_dst; 330 uint32_t ip_src; 331 uint16_t port_dst; 332 uint16_t port_src; 333 uint8_t proto; 334 } __attribute__((__packed__)); 335 336 union ipv4_5tuple_host { 337 struct { 338 uint8_t pad0; 339 uint8_t proto; 340 uint16_t pad1; 341 uint32_t ip_src; 342 uint32_t ip_dst; 343 uint16_t port_src; 344 uint16_t port_dst; 345 }; 346 __m128i xmm; 347 }; 348 349 #define XMM_NUM_IN_IPV6_5TUPLE 3 350 351 struct ipv6_5tuple { 352 uint8_t ip_dst[IPV6_ADDR_LEN]; 353 uint8_t ip_src[IPV6_ADDR_LEN]; 354 uint16_t port_dst; 355 uint16_t port_src; 356 uint8_t proto; 357 } __attribute__((__packed__)); 358 359 union ipv6_5tuple_host { 360 struct { 361 uint16_t pad0; 362 uint8_t proto; 363 uint8_t pad1; 364 uint8_t ip_src[IPV6_ADDR_LEN]; 365 uint8_t ip_dst[IPV6_ADDR_LEN]; 366 uint16_t port_src; 367 uint16_t port_dst; 368 uint64_t reserve; 369 }; 370 __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE]; 371 }; 372 373 struct ipv4_l3fwd_route { 374 struct ipv4_5tuple key; 375 uint8_t if_out; 376 }; 377 378 struct ipv6_l3fwd_route { 379 struct ipv6_5tuple key; 380 uint8_t if_out; 381 }; 382 383 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 384 {{RTE_IPV4(101, 0, 0, 0), RTE_IPV4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0}, 385 {{RTE_IPV4(201, 0, 0, 0), RTE_IPV4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1}, 386 {{RTE_IPV4(111, 0, 0, 0), RTE_IPV4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2}, 387 {{RTE_IPV4(211, 0, 0, 0), RTE_IPV4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3}, 388 }; 389 390 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 391 {{ 392 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 393 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 394 0x05}, 395 101, 11, IPPROTO_TCP}, 0}, 396 397 {{ 398 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 399 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 400 0x05}, 401 102, 12, IPPROTO_TCP}, 1}, 402 403 {{ 404 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 405 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 406 0x05}, 407 101, 11, IPPROTO_TCP}, 2}, 408 409 {{ 410 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 411 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 412 0x05}, 413 102, 12, IPPROTO_TCP}, 3}, 414 }; 415 416 typedef struct rte_hash lookup_struct_t; 417 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 418 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 419 420 #ifdef RTE_ARCH_X86_64 421 /* default to 4 million hash entries (approx) */ 422 #define L3FWD_HASH_ENTRIES (1024*1024*4) 423 #else 424 /* 32-bit has less address-space for hugepage memory, limit to 1M entries */ 425 #define L3FWD_HASH_ENTRIES (1024*1024*1) 426 #endif 427 #define HASH_ENTRY_NUMBER_DEFAULT 4 428 429 static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 430 431 static inline uint32_t 432 ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len, 433 uint32_t init_val) 434 { 435 const union ipv4_5tuple_host *k; 436 uint32_t t; 437 const uint32_t *p; 438 439 k = data; 440 t = k->proto; 441 p = (const uint32_t *)&k->port_src; 442 443 init_val = rte_hash_crc_4byte(t, init_val); 444 init_val = rte_hash_crc_4byte(k->ip_src, init_val); 445 init_val = rte_hash_crc_4byte(k->ip_dst, init_val); 446 init_val = rte_hash_crc_4byte(*p, init_val); 447 return init_val; 448 } 449 450 static inline uint32_t 451 ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len, 452 uint32_t init_val) 453 { 454 const union ipv6_5tuple_host *k; 455 uint32_t t; 456 const uint32_t *p; 457 const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3; 458 const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3; 459 460 k = data; 461 t = k->proto; 462 p = (const uint32_t *)&k->port_src; 463 464 ip_src0 = (const uint32_t *) k->ip_src; 465 ip_src1 = (const uint32_t *)(k->ip_src + 4); 466 ip_src2 = (const uint32_t *)(k->ip_src + 8); 467 ip_src3 = (const uint32_t *)(k->ip_src + 12); 468 ip_dst0 = (const uint32_t *) k->ip_dst; 469 ip_dst1 = (const uint32_t *)(k->ip_dst + 4); 470 ip_dst2 = (const uint32_t *)(k->ip_dst + 8); 471 ip_dst3 = (const uint32_t *)(k->ip_dst + 12); 472 init_val = rte_hash_crc_4byte(t, init_val); 473 init_val = rte_hash_crc_4byte(*ip_src0, init_val); 474 init_val = rte_hash_crc_4byte(*ip_src1, init_val); 475 init_val = rte_hash_crc_4byte(*ip_src2, init_val); 476 init_val = rte_hash_crc_4byte(*ip_src3, init_val); 477 init_val = rte_hash_crc_4byte(*ip_dst0, init_val); 478 init_val = rte_hash_crc_4byte(*ip_dst1, init_val); 479 init_val = rte_hash_crc_4byte(*ip_dst2, init_val); 480 init_val = rte_hash_crc_4byte(*ip_dst3, init_val); 481 init_val = rte_hash_crc_4byte(*p, init_val); 482 return init_val; 483 } 484 485 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array) 486 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array) 487 488 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 489 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 490 491 #endif 492 493 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 494 struct ipv4_l3fwd_route { 495 uint32_t ip; 496 uint8_t depth; 497 uint8_t if_out; 498 }; 499 500 struct ipv6_l3fwd_route { 501 uint8_t ip[16]; 502 uint8_t depth; 503 uint8_t if_out; 504 }; 505 506 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 507 {RTE_IPV4(1, 1, 1, 0), 24, 0}, 508 {RTE_IPV4(2, 1, 1, 0), 24, 1}, 509 {RTE_IPV4(3, 1, 1, 0), 24, 2}, 510 {RTE_IPV4(4, 1, 1, 0), 24, 3}, 511 {RTE_IPV4(5, 1, 1, 0), 24, 4}, 512 {RTE_IPV4(6, 1, 1, 0), 24, 5}, 513 {RTE_IPV4(7, 1, 1, 0), 24, 6}, 514 {RTE_IPV4(8, 1, 1, 0), 24, 7}, 515 }; 516 517 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 518 {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0}, 519 {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1}, 520 {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2}, 521 {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3}, 522 {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4}, 523 {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5}, 524 {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6}, 525 {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7}, 526 }; 527 528 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array) 529 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array) 530 531 #define IPV4_L3FWD_LPM_MAX_RULES 1024 532 #define IPV6_L3FWD_LPM_MAX_RULES 1024 533 #define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16) 534 535 typedef struct rte_lpm lookup_struct_t; 536 typedef struct rte_lpm6 lookup6_struct_t; 537 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 538 static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 539 #endif 540 541 struct lcore_conf { 542 lookup_struct_t *ipv4_lookup_struct; 543 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 544 lookup6_struct_t *ipv6_lookup_struct; 545 #else 546 lookup_struct_t *ipv6_lookup_struct; 547 #endif 548 void *data; 549 } __rte_cache_aligned; 550 551 static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 552 RTE_DEFINE_PER_LCORE(struct lcore_conf *, lcore_conf); 553 554 #define MAX_RX_QUEUE_PER_THREAD 16 555 #define MAX_TX_PORT_PER_THREAD RTE_MAX_ETHPORTS 556 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 557 #define MAX_RX_QUEUE_PER_PORT 128 558 559 #define MAX_RX_THREAD 1024 560 #define MAX_TX_THREAD 1024 561 #define MAX_THREAD (MAX_RX_THREAD + MAX_TX_THREAD) 562 563 /** 564 * Producers and consumers threads configuration 565 */ 566 static int lthreads_on = 1; /**< Use lthreads for processing*/ 567 568 rte_atomic16_t rx_counter; /**< Number of spawned rx threads */ 569 rte_atomic16_t tx_counter; /**< Number of spawned tx threads */ 570 571 struct thread_conf { 572 uint16_t lcore_id; /**< Initial lcore for rx thread */ 573 uint16_t cpu_id; /**< Cpu id for cpu load stats counter */ 574 uint16_t thread_id; /**< Thread ID */ 575 576 #if (APP_CPU_LOAD > 0) 577 int busy[MAX_CPU_COUNTER]; 578 #endif 579 }; 580 581 struct thread_rx_conf { 582 struct thread_conf conf; 583 584 uint16_t n_rx_queue; 585 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 586 587 uint16_t n_ring; /**< Number of output rings */ 588 struct rte_ring *ring[RTE_MAX_LCORE]; 589 struct lthread_cond *ready[RTE_MAX_LCORE]; 590 591 #if (APP_CPU_LOAD > 0) 592 int busy[MAX_CPU_COUNTER]; 593 #endif 594 } __rte_cache_aligned; 595 596 uint16_t n_rx_thread; 597 struct thread_rx_conf rx_thread[MAX_RX_THREAD]; 598 599 struct thread_tx_conf { 600 struct thread_conf conf; 601 602 uint16_t tx_queue_id[RTE_MAX_LCORE]; 603 struct mbuf_table tx_mbufs[RTE_MAX_LCORE]; 604 605 struct rte_ring *ring; 606 struct lthread_cond **ready; 607 608 } __rte_cache_aligned; 609 610 uint16_t n_tx_thread; 611 struct thread_tx_conf tx_thread[MAX_TX_THREAD]; 612 613 /* Send burst of packets on an output interface */ 614 static inline int 615 send_burst(struct thread_tx_conf *qconf, uint16_t n, uint16_t port) 616 { 617 struct rte_mbuf **m_table; 618 int ret; 619 uint16_t queueid; 620 621 queueid = qconf->tx_queue_id[port]; 622 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 623 624 ret = rte_eth_tx_burst(port, queueid, m_table, n); 625 if (unlikely(ret < n)) { 626 do { 627 rte_pktmbuf_free(m_table[ret]); 628 } while (++ret < n); 629 } 630 631 return 0; 632 } 633 634 /* Enqueue a single packet, and send burst if queue is filled */ 635 static inline int 636 send_single_packet(struct rte_mbuf *m, uint16_t port) 637 { 638 uint16_t len; 639 struct thread_tx_conf *qconf; 640 641 if (lthreads_on) 642 qconf = (struct thread_tx_conf *)lthread_get_data(); 643 else 644 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data; 645 646 len = qconf->tx_mbufs[port].len; 647 qconf->tx_mbufs[port].m_table[len] = m; 648 len++; 649 650 /* enough pkts to be sent */ 651 if (unlikely(len == MAX_PKT_BURST)) { 652 send_burst(qconf, MAX_PKT_BURST, port); 653 len = 0; 654 } 655 656 qconf->tx_mbufs[port].len = len; 657 return 0; 658 } 659 660 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 661 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 662 static __rte_always_inline void 663 send_packetsx4(uint16_t port, 664 struct rte_mbuf *m[], uint32_t num) 665 { 666 uint32_t len, j, n; 667 struct thread_tx_conf *qconf; 668 669 if (lthreads_on) 670 qconf = (struct thread_tx_conf *)lthread_get_data(); 671 else 672 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data; 673 674 len = qconf->tx_mbufs[port].len; 675 676 /* 677 * If TX buffer for that queue is empty, and we have enough packets, 678 * then send them straightway. 679 */ 680 if (num >= MAX_TX_BURST && len == 0) { 681 n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num); 682 if (unlikely(n < num)) { 683 do { 684 rte_pktmbuf_free(m[n]); 685 } while (++n < num); 686 } 687 return; 688 } 689 690 /* 691 * Put packets into TX buffer for that queue. 692 */ 693 694 n = len + num; 695 n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num; 696 697 j = 0; 698 switch (n % FWDSTEP) { 699 while (j < n) { 700 case 0: 701 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 702 j++; 703 /* fall-through */ 704 case 3: 705 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 706 j++; 707 /* fall-through */ 708 case 2: 709 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 710 j++; 711 /* fall-through */ 712 case 1: 713 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 714 j++; 715 } 716 } 717 718 len += n; 719 720 /* enough pkts to be sent */ 721 if (unlikely(len == MAX_PKT_BURST)) { 722 723 send_burst(qconf, MAX_PKT_BURST, port); 724 725 /* copy rest of the packets into the TX buffer. */ 726 len = num - n; 727 j = 0; 728 switch (len % FWDSTEP) { 729 while (j < len) { 730 case 0: 731 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 732 j++; 733 /* fall-through */ 734 case 3: 735 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 736 j++; 737 /* fall-through */ 738 case 2: 739 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 740 j++; 741 /* fall-through */ 742 case 1: 743 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 744 j++; 745 } 746 } 747 } 748 749 qconf->tx_mbufs[port].len = len; 750 } 751 #endif /* APP_LOOKUP_LPM */ 752 753 #ifdef DO_RFC_1812_CHECKS 754 static inline int 755 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len) 756 { 757 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */ 758 /* 759 * 1. The packet length reported by the Link Layer must be large 760 * enough to hold the minimum length legal IP datagram (20 bytes). 761 */ 762 if (link_len < sizeof(struct rte_ipv4_hdr)) 763 return -1; 764 765 /* 2. The IP checksum must be correct. */ 766 /* this is checked in H/W */ 767 768 /* 769 * 3. The IP version number must be 4. If the version number is not 4 770 * then the packet may be another version of IP, such as IPng or 771 * ST-II. 772 */ 773 if (((pkt->version_ihl) >> 4) != 4) 774 return -3; 775 /* 776 * 4. The IP header length field must be large enough to hold the 777 * minimum length legal IP datagram (20 bytes = 5 words). 778 */ 779 if ((pkt->version_ihl & 0xf) < 5) 780 return -4; 781 782 /* 783 * 5. The IP total length field must be large enough to hold the IP 784 * datagram header, whose length is specified in the IP header length 785 * field. 786 */ 787 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr)) 788 return -5; 789 790 return 0; 791 } 792 #endif 793 794 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 795 796 static __m128i mask0; 797 static __m128i mask1; 798 static __m128i mask2; 799 static inline uint16_t 800 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid, 801 lookup_struct_t *ipv4_l3fwd_lookup_struct) 802 { 803 int ret = 0; 804 union ipv4_5tuple_host key; 805 806 ipv4_hdr = (uint8_t *)ipv4_hdr + 807 offsetof(struct rte_ipv4_hdr, time_to_live); 808 __m128i data = _mm_loadu_si128((__m128i *)(ipv4_hdr)); 809 /* Get 5 tuple: dst port, src port, dst IP address, src IP address and 810 protocol */ 811 key.xmm = _mm_and_si128(data, mask0); 812 /* Find destination port */ 813 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key); 814 return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]); 815 } 816 817 static inline uint16_t 818 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, 819 lookup_struct_t *ipv6_l3fwd_lookup_struct) 820 { 821 int ret = 0; 822 union ipv6_5tuple_host key; 823 824 ipv6_hdr = (uint8_t *)ipv6_hdr + 825 offsetof(struct rte_ipv6_hdr, payload_len); 826 __m128i data0 = _mm_loadu_si128((__m128i *)(ipv6_hdr)); 827 __m128i data1 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) + 828 sizeof(__m128i))); 829 __m128i data2 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) + 830 sizeof(__m128i) + sizeof(__m128i))); 831 /* Get part of 5 tuple: src IP address lower 96 bits and protocol */ 832 key.xmm[0] = _mm_and_si128(data0, mask1); 833 /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address 834 higher 32 bits */ 835 key.xmm[1] = data1; 836 /* Get part of 5 tuple: dst port and src port and dst IP address higher 837 32 bits */ 838 key.xmm[2] = _mm_and_si128(data2, mask2); 839 840 /* Find destination port */ 841 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key); 842 return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]); 843 } 844 #endif 845 846 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 847 848 static inline uint16_t 849 get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid, 850 lookup_struct_t *ipv4_l3fwd_lookup_struct) 851 { 852 uint32_t next_hop; 853 854 return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct, 855 rte_be_to_cpu_32(((struct rte_ipv4_hdr *)ipv4_hdr)->dst_addr), 856 &next_hop) == 0) ? next_hop : portid); 857 } 858 859 static inline uint16_t 860 get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, 861 lookup6_struct_t *ipv6_l3fwd_lookup_struct) 862 { 863 uint32_t next_hop; 864 865 return ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct, 866 ((struct rte_ipv6_hdr *)ipv6_hdr)->dst_addr, &next_hop) == 0) ? 867 next_hop : portid); 868 } 869 #endif 870 871 static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid) 872 __attribute__((unused)); 873 874 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \ 875 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 876 877 #define MASK_ALL_PKTS 0xff 878 #define EXCLUDE_1ST_PKT 0xfe 879 #define EXCLUDE_2ND_PKT 0xfd 880 #define EXCLUDE_3RD_PKT 0xfb 881 #define EXCLUDE_4TH_PKT 0xf7 882 #define EXCLUDE_5TH_PKT 0xef 883 #define EXCLUDE_6TH_PKT 0xdf 884 #define EXCLUDE_7TH_PKT 0xbf 885 #define EXCLUDE_8TH_PKT 0x7f 886 887 static inline void 888 simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid) 889 { 890 struct rte_ether_hdr *eth_hdr[8]; 891 struct rte_ipv4_hdr *ipv4_hdr[8]; 892 uint16_t dst_port[8]; 893 int32_t ret[8]; 894 union ipv4_5tuple_host key[8]; 895 __m128i data[8]; 896 897 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct rte_ether_hdr *); 898 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct rte_ether_hdr *); 899 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct rte_ether_hdr *); 900 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct rte_ether_hdr *); 901 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct rte_ether_hdr *); 902 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct rte_ether_hdr *); 903 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct rte_ether_hdr *); 904 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct rte_ether_hdr *); 905 906 /* Handle IPv4 headers.*/ 907 ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct rte_ipv4_hdr *, 908 sizeof(struct rte_ether_hdr)); 909 ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct rte_ipv4_hdr *, 910 sizeof(struct rte_ether_hdr)); 911 ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct rte_ipv4_hdr *, 912 sizeof(struct rte_ether_hdr)); 913 ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct rte_ipv4_hdr *, 914 sizeof(struct rte_ether_hdr)); 915 ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct rte_ipv4_hdr *, 916 sizeof(struct rte_ether_hdr)); 917 ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct rte_ipv4_hdr *, 918 sizeof(struct rte_ether_hdr)); 919 ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct rte_ipv4_hdr *, 920 sizeof(struct rte_ether_hdr)); 921 ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct rte_ipv4_hdr *, 922 sizeof(struct rte_ether_hdr)); 923 924 #ifdef DO_RFC_1812_CHECKS 925 /* Check to make sure the packet is valid (RFC1812) */ 926 uint8_t valid_mask = MASK_ALL_PKTS; 927 928 if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) { 929 rte_pktmbuf_free(m[0]); 930 valid_mask &= EXCLUDE_1ST_PKT; 931 } 932 if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) { 933 rte_pktmbuf_free(m[1]); 934 valid_mask &= EXCLUDE_2ND_PKT; 935 } 936 if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) { 937 rte_pktmbuf_free(m[2]); 938 valid_mask &= EXCLUDE_3RD_PKT; 939 } 940 if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) { 941 rte_pktmbuf_free(m[3]); 942 valid_mask &= EXCLUDE_4TH_PKT; 943 } 944 if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) { 945 rte_pktmbuf_free(m[4]); 946 valid_mask &= EXCLUDE_5TH_PKT; 947 } 948 if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) { 949 rte_pktmbuf_free(m[5]); 950 valid_mask &= EXCLUDE_6TH_PKT; 951 } 952 if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) { 953 rte_pktmbuf_free(m[6]); 954 valid_mask &= EXCLUDE_7TH_PKT; 955 } 956 if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) { 957 rte_pktmbuf_free(m[7]); 958 valid_mask &= EXCLUDE_8TH_PKT; 959 } 960 if (unlikely(valid_mask != MASK_ALL_PKTS)) { 961 if (valid_mask == 0) 962 return; 963 964 uint8_t i = 0; 965 966 for (i = 0; i < 8; i++) 967 if ((0x1 << i) & valid_mask) 968 l3fwd_simple_forward(m[i], portid); 969 } 970 #endif /* End of #ifdef DO_RFC_1812_CHECKS */ 971 972 data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *, 973 sizeof(struct rte_ether_hdr) + 974 offsetof(struct rte_ipv4_hdr, time_to_live))); 975 data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *, 976 sizeof(struct rte_ether_hdr) + 977 offsetof(struct rte_ipv4_hdr, time_to_live))); 978 data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *, 979 sizeof(struct rte_ether_hdr) + 980 offsetof(struct rte_ipv4_hdr, time_to_live))); 981 data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *, 982 sizeof(struct rte_ether_hdr) + 983 offsetof(struct rte_ipv4_hdr, time_to_live))); 984 data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *, 985 sizeof(struct rte_ether_hdr) + 986 offsetof(struct rte_ipv4_hdr, time_to_live))); 987 data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *, 988 sizeof(struct rte_ether_hdr) + 989 offsetof(struct rte_ipv4_hdr, time_to_live))); 990 data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *, 991 sizeof(struct rte_ether_hdr) + 992 offsetof(struct rte_ipv4_hdr, time_to_live))); 993 data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *, 994 sizeof(struct rte_ether_hdr) + 995 offsetof(struct rte_ipv4_hdr, time_to_live))); 996 997 key[0].xmm = _mm_and_si128(data[0], mask0); 998 key[1].xmm = _mm_and_si128(data[1], mask0); 999 key[2].xmm = _mm_and_si128(data[2], mask0); 1000 key[3].xmm = _mm_and_si128(data[3], mask0); 1001 key[4].xmm = _mm_and_si128(data[4], mask0); 1002 key[5].xmm = _mm_and_si128(data[5], mask0); 1003 key[6].xmm = _mm_and_si128(data[6], mask0); 1004 key[7].xmm = _mm_and_si128(data[7], mask0); 1005 1006 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3], 1007 &key[4], &key[5], &key[6], &key[7]}; 1008 1009 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, 1010 &key_array[0], 8, ret); 1011 dst_port[0] = ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]); 1012 dst_port[1] = ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]); 1013 dst_port[2] = ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]); 1014 dst_port[3] = ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]); 1015 dst_port[4] = ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]); 1016 dst_port[5] = ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]); 1017 dst_port[6] = ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]); 1018 dst_port[7] = ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]); 1019 1020 if (dst_port[0] >= RTE_MAX_ETHPORTS || 1021 (enabled_port_mask & 1 << dst_port[0]) == 0) 1022 dst_port[0] = portid; 1023 if (dst_port[1] >= RTE_MAX_ETHPORTS || 1024 (enabled_port_mask & 1 << dst_port[1]) == 0) 1025 dst_port[1] = portid; 1026 if (dst_port[2] >= RTE_MAX_ETHPORTS || 1027 (enabled_port_mask & 1 << dst_port[2]) == 0) 1028 dst_port[2] = portid; 1029 if (dst_port[3] >= RTE_MAX_ETHPORTS || 1030 (enabled_port_mask & 1 << dst_port[3]) == 0) 1031 dst_port[3] = portid; 1032 if (dst_port[4] >= RTE_MAX_ETHPORTS || 1033 (enabled_port_mask & 1 << dst_port[4]) == 0) 1034 dst_port[4] = portid; 1035 if (dst_port[5] >= RTE_MAX_ETHPORTS || 1036 (enabled_port_mask & 1 << dst_port[5]) == 0) 1037 dst_port[5] = portid; 1038 if (dst_port[6] >= RTE_MAX_ETHPORTS || 1039 (enabled_port_mask & 1 << dst_port[6]) == 0) 1040 dst_port[6] = portid; 1041 if (dst_port[7] >= RTE_MAX_ETHPORTS || 1042 (enabled_port_mask & 1 << dst_port[7]) == 0) 1043 dst_port[7] = portid; 1044 1045 #ifdef DO_RFC_1812_CHECKS 1046 /* Update time to live and header checksum */ 1047 --(ipv4_hdr[0]->time_to_live); 1048 --(ipv4_hdr[1]->time_to_live); 1049 --(ipv4_hdr[2]->time_to_live); 1050 --(ipv4_hdr[3]->time_to_live); 1051 ++(ipv4_hdr[0]->hdr_checksum); 1052 ++(ipv4_hdr[1]->hdr_checksum); 1053 ++(ipv4_hdr[2]->hdr_checksum); 1054 ++(ipv4_hdr[3]->hdr_checksum); 1055 --(ipv4_hdr[4]->time_to_live); 1056 --(ipv4_hdr[5]->time_to_live); 1057 --(ipv4_hdr[6]->time_to_live); 1058 --(ipv4_hdr[7]->time_to_live); 1059 ++(ipv4_hdr[4]->hdr_checksum); 1060 ++(ipv4_hdr[5]->hdr_checksum); 1061 ++(ipv4_hdr[6]->hdr_checksum); 1062 ++(ipv4_hdr[7]->hdr_checksum); 1063 #endif 1064 1065 /* dst addr */ 1066 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]]; 1067 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]]; 1068 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]]; 1069 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]]; 1070 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]]; 1071 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]]; 1072 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]]; 1073 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]]; 1074 1075 /* src addr */ 1076 rte_ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr); 1077 rte_ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr); 1078 rte_ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr); 1079 rte_ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr); 1080 rte_ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr); 1081 rte_ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr); 1082 rte_ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr); 1083 rte_ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr); 1084 1085 send_single_packet(m[0], (uint8_t)dst_port[0]); 1086 send_single_packet(m[1], (uint8_t)dst_port[1]); 1087 send_single_packet(m[2], (uint8_t)dst_port[2]); 1088 send_single_packet(m[3], (uint8_t)dst_port[3]); 1089 send_single_packet(m[4], (uint8_t)dst_port[4]); 1090 send_single_packet(m[5], (uint8_t)dst_port[5]); 1091 send_single_packet(m[6], (uint8_t)dst_port[6]); 1092 send_single_packet(m[7], (uint8_t)dst_port[7]); 1093 1094 } 1095 1096 static inline void get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0, 1097 __m128i mask1, union ipv6_5tuple_host *key) 1098 { 1099 __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1100 __m128i *, sizeof(struct rte_ether_hdr) + 1101 offsetof(struct rte_ipv6_hdr, payload_len))); 1102 __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1103 __m128i *, sizeof(struct rte_ether_hdr) + 1104 offsetof(struct rte_ipv6_hdr, payload_len) + 1105 sizeof(__m128i))); 1106 __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1107 __m128i *, sizeof(struct rte_ether_hdr) + 1108 offsetof(struct rte_ipv6_hdr, payload_len) + 1109 sizeof(__m128i) + sizeof(__m128i))); 1110 key->xmm[0] = _mm_and_si128(tmpdata0, mask0); 1111 key->xmm[1] = tmpdata1; 1112 key->xmm[2] = _mm_and_si128(tmpdata2, mask1); 1113 } 1114 1115 static inline void 1116 simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint16_t portid) 1117 { 1118 int32_t ret[8]; 1119 uint16_t dst_port[8]; 1120 struct rte_ether_hdr *eth_hdr[8]; 1121 union ipv6_5tuple_host key[8]; 1122 1123 __attribute__((unused)) struct rte_ipv6_hdr *ipv6_hdr[8]; 1124 1125 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct rte_ether_hdr *); 1126 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct rte_ether_hdr *); 1127 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct rte_ether_hdr *); 1128 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct rte_ether_hdr *); 1129 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct rte_ether_hdr *); 1130 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct rte_ether_hdr *); 1131 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct rte_ether_hdr *); 1132 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct rte_ether_hdr *); 1133 1134 /* Handle IPv6 headers.*/ 1135 ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct rte_ipv6_hdr *, 1136 sizeof(struct rte_ether_hdr)); 1137 ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct rte_ipv6_hdr *, 1138 sizeof(struct rte_ether_hdr)); 1139 ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct rte_ipv6_hdr *, 1140 sizeof(struct rte_ether_hdr)); 1141 ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct rte_ipv6_hdr *, 1142 sizeof(struct rte_ether_hdr)); 1143 ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct rte_ipv6_hdr *, 1144 sizeof(struct rte_ether_hdr)); 1145 ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct rte_ipv6_hdr *, 1146 sizeof(struct rte_ether_hdr)); 1147 ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct rte_ipv6_hdr *, 1148 sizeof(struct rte_ether_hdr)); 1149 ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct rte_ipv6_hdr *, 1150 sizeof(struct rte_ether_hdr)); 1151 1152 get_ipv6_5tuple(m[0], mask1, mask2, &key[0]); 1153 get_ipv6_5tuple(m[1], mask1, mask2, &key[1]); 1154 get_ipv6_5tuple(m[2], mask1, mask2, &key[2]); 1155 get_ipv6_5tuple(m[3], mask1, mask2, &key[3]); 1156 get_ipv6_5tuple(m[4], mask1, mask2, &key[4]); 1157 get_ipv6_5tuple(m[5], mask1, mask2, &key[5]); 1158 get_ipv6_5tuple(m[6], mask1, mask2, &key[6]); 1159 get_ipv6_5tuple(m[7], mask1, mask2, &key[7]); 1160 1161 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3], 1162 &key[4], &key[5], &key[6], &key[7]}; 1163 1164 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct, 1165 &key_array[0], 4, ret); 1166 dst_port[0] = ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]); 1167 dst_port[1] = ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]); 1168 dst_port[2] = ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]); 1169 dst_port[3] = ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]); 1170 dst_port[4] = ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]); 1171 dst_port[5] = ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]); 1172 dst_port[6] = ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]); 1173 dst_port[7] = ((ret[7] < 0) ? portid : ipv6_l3fwd_out_if[ret[7]]); 1174 1175 if (dst_port[0] >= RTE_MAX_ETHPORTS || 1176 (enabled_port_mask & 1 << dst_port[0]) == 0) 1177 dst_port[0] = portid; 1178 if (dst_port[1] >= RTE_MAX_ETHPORTS || 1179 (enabled_port_mask & 1 << dst_port[1]) == 0) 1180 dst_port[1] = portid; 1181 if (dst_port[2] >= RTE_MAX_ETHPORTS || 1182 (enabled_port_mask & 1 << dst_port[2]) == 0) 1183 dst_port[2] = portid; 1184 if (dst_port[3] >= RTE_MAX_ETHPORTS || 1185 (enabled_port_mask & 1 << dst_port[3]) == 0) 1186 dst_port[3] = portid; 1187 if (dst_port[4] >= RTE_MAX_ETHPORTS || 1188 (enabled_port_mask & 1 << dst_port[4]) == 0) 1189 dst_port[4] = portid; 1190 if (dst_port[5] >= RTE_MAX_ETHPORTS || 1191 (enabled_port_mask & 1 << dst_port[5]) == 0) 1192 dst_port[5] = portid; 1193 if (dst_port[6] >= RTE_MAX_ETHPORTS || 1194 (enabled_port_mask & 1 << dst_port[6]) == 0) 1195 dst_port[6] = portid; 1196 if (dst_port[7] >= RTE_MAX_ETHPORTS || 1197 (enabled_port_mask & 1 << dst_port[7]) == 0) 1198 dst_port[7] = portid; 1199 1200 /* dst addr */ 1201 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]]; 1202 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]]; 1203 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]]; 1204 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]]; 1205 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]]; 1206 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]]; 1207 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]]; 1208 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]]; 1209 1210 /* src addr */ 1211 rte_ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr); 1212 rte_ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr); 1213 rte_ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr); 1214 rte_ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr); 1215 rte_ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr); 1216 rte_ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr); 1217 rte_ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr); 1218 rte_ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr); 1219 1220 send_single_packet(m[0], dst_port[0]); 1221 send_single_packet(m[1], dst_port[1]); 1222 send_single_packet(m[2], dst_port[2]); 1223 send_single_packet(m[3], dst_port[3]); 1224 send_single_packet(m[4], dst_port[4]); 1225 send_single_packet(m[5], dst_port[5]); 1226 send_single_packet(m[6], dst_port[6]); 1227 send_single_packet(m[7], dst_port[7]); 1228 1229 } 1230 #endif /* APP_LOOKUP_METHOD */ 1231 1232 static __rte_always_inline void 1233 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid) 1234 { 1235 struct rte_ether_hdr *eth_hdr; 1236 struct rte_ipv4_hdr *ipv4_hdr; 1237 uint16_t dst_port; 1238 1239 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); 1240 1241 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) { 1242 /* Handle IPv4 headers.*/ 1243 ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *, 1244 sizeof(struct rte_ether_hdr)); 1245 1246 #ifdef DO_RFC_1812_CHECKS 1247 /* Check to make sure the packet is valid (RFC1812) */ 1248 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) { 1249 rte_pktmbuf_free(m); 1250 return; 1251 } 1252 #endif 1253 1254 dst_port = get_ipv4_dst_port(ipv4_hdr, portid, 1255 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct); 1256 if (dst_port >= RTE_MAX_ETHPORTS || 1257 (enabled_port_mask & 1 << dst_port) == 0) 1258 dst_port = portid; 1259 1260 #ifdef DO_RFC_1812_CHECKS 1261 /* Update time to live and header checksum */ 1262 --(ipv4_hdr->time_to_live); 1263 ++(ipv4_hdr->hdr_checksum); 1264 #endif 1265 /* dst addr */ 1266 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port]; 1267 1268 /* src addr */ 1269 rte_ether_addr_copy(&ports_eth_addr[dst_port], 1270 ð_hdr->s_addr); 1271 1272 send_single_packet(m, dst_port); 1273 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { 1274 /* Handle IPv6 headers.*/ 1275 struct rte_ipv6_hdr *ipv6_hdr; 1276 1277 ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *, 1278 sizeof(struct rte_ether_hdr)); 1279 1280 dst_port = get_ipv6_dst_port(ipv6_hdr, portid, 1281 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct); 1282 1283 if (dst_port >= RTE_MAX_ETHPORTS || 1284 (enabled_port_mask & 1 << dst_port) == 0) 1285 dst_port = portid; 1286 1287 /* dst addr */ 1288 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port]; 1289 1290 /* src addr */ 1291 rte_ether_addr_copy(&ports_eth_addr[dst_port], 1292 ð_hdr->s_addr); 1293 1294 send_single_packet(m, dst_port); 1295 } else 1296 /* Free the mbuf that contains non-IPV4/IPV6 packet */ 1297 rte_pktmbuf_free(m); 1298 } 1299 1300 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1301 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1302 #ifdef DO_RFC_1812_CHECKS 1303 1304 #define IPV4_MIN_VER_IHL 0x45 1305 #define IPV4_MAX_VER_IHL 0x4f 1306 #define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL) 1307 1308 /* Minimum value of IPV4 total length (20B) in network byte order. */ 1309 #define IPV4_MIN_LEN_BE (sizeof(struct rte_ipv4_hdr) << 8) 1310 1311 /* 1312 * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2: 1313 * - The IP version number must be 4. 1314 * - The IP header length field must be large enough to hold the 1315 * minimum length legal IP datagram (20 bytes = 5 words). 1316 * - The IP total length field must be large enough to hold the IP 1317 * datagram header, whose length is specified in the IP header length 1318 * field. 1319 * If we encounter invalid IPV4 packet, then set destination port for it 1320 * to BAD_PORT value. 1321 */ 1322 static __rte_always_inline void 1323 rfc1812_process(struct rte_ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype) 1324 { 1325 uint8_t ihl; 1326 1327 if (RTE_ETH_IS_IPV4_HDR(ptype)) { 1328 ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL; 1329 1330 ipv4_hdr->time_to_live--; 1331 ipv4_hdr->hdr_checksum++; 1332 1333 if (ihl > IPV4_MAX_VER_IHL_DIFF || 1334 ((uint8_t)ipv4_hdr->total_length == 0 && 1335 ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) { 1336 dp[0] = BAD_PORT; 1337 } 1338 } 1339 } 1340 1341 #else 1342 #define rfc1812_process(mb, dp, ptype) do { } while (0) 1343 #endif /* DO_RFC_1812_CHECKS */ 1344 #endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */ 1345 1346 1347 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1348 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1349 1350 static __rte_always_inline uint16_t 1351 get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint16_t portid) 1352 { 1353 uint32_t next_hop; 1354 struct rte_ipv6_hdr *ipv6_hdr; 1355 struct rte_ether_hdr *eth_hdr; 1356 1357 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { 1358 return (uint16_t) ((rte_lpm_lookup( 1359 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dst_ipv4, 1360 &next_hop) == 0) ? next_hop : portid); 1361 1362 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { 1363 1364 eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); 1365 ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1); 1366 1367 return (uint16_t) ((rte_lpm6_lookup( 1368 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct, 1369 ipv6_hdr->dst_addr, &next_hop) == 0) ? 1370 next_hop : portid); 1371 1372 } 1373 1374 return portid; 1375 } 1376 1377 static inline void 1378 process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint16_t portid) 1379 { 1380 struct rte_ether_hdr *eth_hdr; 1381 struct rte_ipv4_hdr *ipv4_hdr; 1382 uint32_t dst_ipv4; 1383 uint16_t dp; 1384 __m128i te, ve; 1385 1386 eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *); 1387 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); 1388 1389 dst_ipv4 = ipv4_hdr->dst_addr; 1390 dst_ipv4 = rte_be_to_cpu_32(dst_ipv4); 1391 dp = get_dst_port(pkt, dst_ipv4, portid); 1392 1393 te = _mm_load_si128((__m128i *)eth_hdr); 1394 ve = val_eth[dp]; 1395 1396 dst_port[0] = dp; 1397 rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type); 1398 1399 te = _mm_blend_epi16(te, ve, MASK_ETH); 1400 _mm_store_si128((__m128i *)eth_hdr, te); 1401 } 1402 1403 /* 1404 * Read packet_type and destination IPV4 addresses from 4 mbufs. 1405 */ 1406 static inline void 1407 processx4_step1(struct rte_mbuf *pkt[FWDSTEP], 1408 __m128i *dip, 1409 uint32_t *ipv4_flag) 1410 { 1411 struct rte_ipv4_hdr *ipv4_hdr; 1412 struct rte_ether_hdr *eth_hdr; 1413 uint32_t x0, x1, x2, x3; 1414 1415 eth_hdr = rte_pktmbuf_mtod(pkt[0], struct rte_ether_hdr *); 1416 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); 1417 x0 = ipv4_hdr->dst_addr; 1418 ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4; 1419 1420 eth_hdr = rte_pktmbuf_mtod(pkt[1], struct rte_ether_hdr *); 1421 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); 1422 x1 = ipv4_hdr->dst_addr; 1423 ipv4_flag[0] &= pkt[1]->packet_type; 1424 1425 eth_hdr = rte_pktmbuf_mtod(pkt[2], struct rte_ether_hdr *); 1426 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); 1427 x2 = ipv4_hdr->dst_addr; 1428 ipv4_flag[0] &= pkt[2]->packet_type; 1429 1430 eth_hdr = rte_pktmbuf_mtod(pkt[3], struct rte_ether_hdr *); 1431 ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1); 1432 x3 = ipv4_hdr->dst_addr; 1433 ipv4_flag[0] &= pkt[3]->packet_type; 1434 1435 dip[0] = _mm_set_epi32(x3, x2, x1, x0); 1436 } 1437 1438 /* 1439 * Lookup into LPM for destination port. 1440 * If lookup fails, use incoming port (portid) as destination port. 1441 */ 1442 static inline void 1443 processx4_step2(__m128i dip, 1444 uint32_t ipv4_flag, 1445 uint16_t portid, 1446 struct rte_mbuf *pkt[FWDSTEP], 1447 uint16_t dprt[FWDSTEP]) 1448 { 1449 rte_xmm_t dst; 1450 const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11, 1451 4, 5, 6, 7, 0, 1, 2, 3); 1452 1453 /* Byte swap 4 IPV4 addresses. */ 1454 dip = _mm_shuffle_epi8(dip, bswap_mask); 1455 1456 /* if all 4 packets are IPV4. */ 1457 if (likely(ipv4_flag)) { 1458 rte_lpm_lookupx4(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dip, 1459 dst.u32, portid); 1460 1461 /* get rid of unused upper 16 bit for each dport. */ 1462 dst.x = _mm_packs_epi32(dst.x, dst.x); 1463 *(uint64_t *)dprt = dst.u64[0]; 1464 } else { 1465 dst.x = dip; 1466 dprt[0] = get_dst_port(pkt[0], dst.u32[0], portid); 1467 dprt[1] = get_dst_port(pkt[1], dst.u32[1], portid); 1468 dprt[2] = get_dst_port(pkt[2], dst.u32[2], portid); 1469 dprt[3] = get_dst_port(pkt[3], dst.u32[3], portid); 1470 } 1471 } 1472 1473 /* 1474 * Update source and destination MAC addresses in the ethernet header. 1475 * Perform RFC1812 checks and updates for IPV4 packets. 1476 */ 1477 static inline void 1478 processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP]) 1479 { 1480 __m128i te[FWDSTEP]; 1481 __m128i ve[FWDSTEP]; 1482 __m128i *p[FWDSTEP]; 1483 1484 p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *); 1485 p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *); 1486 p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *); 1487 p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *); 1488 1489 ve[0] = val_eth[dst_port[0]]; 1490 te[0] = _mm_load_si128(p[0]); 1491 1492 ve[1] = val_eth[dst_port[1]]; 1493 te[1] = _mm_load_si128(p[1]); 1494 1495 ve[2] = val_eth[dst_port[2]]; 1496 te[2] = _mm_load_si128(p[2]); 1497 1498 ve[3] = val_eth[dst_port[3]]; 1499 te[3] = _mm_load_si128(p[3]); 1500 1501 /* Update first 12 bytes, keep rest bytes intact. */ 1502 te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH); 1503 te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH); 1504 te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH); 1505 te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH); 1506 1507 _mm_store_si128(p[0], te[0]); 1508 _mm_store_si128(p[1], te[1]); 1509 _mm_store_si128(p[2], te[2]); 1510 _mm_store_si128(p[3], te[3]); 1511 1512 rfc1812_process((struct rte_ipv4_hdr *) 1513 ((struct rte_ether_hdr *)p[0] + 1), 1514 &dst_port[0], pkt[0]->packet_type); 1515 rfc1812_process((struct rte_ipv4_hdr *) 1516 ((struct rte_ether_hdr *)p[1] + 1), 1517 &dst_port[1], pkt[1]->packet_type); 1518 rfc1812_process((struct rte_ipv4_hdr *) 1519 ((struct rte_ether_hdr *)p[2] + 1), 1520 &dst_port[2], pkt[2]->packet_type); 1521 rfc1812_process((struct rte_ipv4_hdr *) 1522 ((struct rte_ether_hdr *)p[3] + 1), 1523 &dst_port[3], pkt[3]->packet_type); 1524 } 1525 1526 /* 1527 * We group consecutive packets with the same destionation port into one burst. 1528 * To avoid extra latency this is done together with some other packet 1529 * processing, but after we made a final decision about packet's destination. 1530 * To do this we maintain: 1531 * pnum - array of number of consecutive packets with the same dest port for 1532 * each packet in the input burst. 1533 * lp - pointer to the last updated element in the pnum. 1534 * dlp - dest port value lp corresponds to. 1535 */ 1536 1537 #define GRPSZ (1 << FWDSTEP) 1538 #define GRPMSK (GRPSZ - 1) 1539 1540 #define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \ 1541 if (likely((dlp) == (dcp)[(idx)])) { \ 1542 (lp)[0]++; \ 1543 } else { \ 1544 (dlp) = (dcp)[idx]; \ 1545 (lp) = (pn) + (idx); \ 1546 (lp)[0] = 1; \ 1547 } \ 1548 } while (0) 1549 1550 /* 1551 * Group consecutive packets with the same destination port in bursts of 4. 1552 * Suppose we have array of destionation ports: 1553 * dst_port[] = {a, b, c, d,, e, ... } 1554 * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>. 1555 * We doing 4 comparisons at once and the result is 4 bit mask. 1556 * This mask is used as an index into prebuild array of pnum values. 1557 */ 1558 static inline uint16_t * 1559 port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2) 1560 { 1561 static const struct { 1562 uint64_t pnum; /* prebuild 4 values for pnum[]. */ 1563 int32_t idx; /* index for new last updated elemnet. */ 1564 uint16_t lpv; /* add value to the last updated element. */ 1565 } gptbl[GRPSZ] = { 1566 { 1567 /* 0: a != b, b != c, c != d, d != e */ 1568 .pnum = UINT64_C(0x0001000100010001), 1569 .idx = 4, 1570 .lpv = 0, 1571 }, 1572 { 1573 /* 1: a == b, b != c, c != d, d != e */ 1574 .pnum = UINT64_C(0x0001000100010002), 1575 .idx = 4, 1576 .lpv = 1, 1577 }, 1578 { 1579 /* 2: a != b, b == c, c != d, d != e */ 1580 .pnum = UINT64_C(0x0001000100020001), 1581 .idx = 4, 1582 .lpv = 0, 1583 }, 1584 { 1585 /* 3: a == b, b == c, c != d, d != e */ 1586 .pnum = UINT64_C(0x0001000100020003), 1587 .idx = 4, 1588 .lpv = 2, 1589 }, 1590 { 1591 /* 4: a != b, b != c, c == d, d != e */ 1592 .pnum = UINT64_C(0x0001000200010001), 1593 .idx = 4, 1594 .lpv = 0, 1595 }, 1596 { 1597 /* 5: a == b, b != c, c == d, d != e */ 1598 .pnum = UINT64_C(0x0001000200010002), 1599 .idx = 4, 1600 .lpv = 1, 1601 }, 1602 { 1603 /* 6: a != b, b == c, c == d, d != e */ 1604 .pnum = UINT64_C(0x0001000200030001), 1605 .idx = 4, 1606 .lpv = 0, 1607 }, 1608 { 1609 /* 7: a == b, b == c, c == d, d != e */ 1610 .pnum = UINT64_C(0x0001000200030004), 1611 .idx = 4, 1612 .lpv = 3, 1613 }, 1614 { 1615 /* 8: a != b, b != c, c != d, d == e */ 1616 .pnum = UINT64_C(0x0002000100010001), 1617 .idx = 3, 1618 .lpv = 0, 1619 }, 1620 { 1621 /* 9: a == b, b != c, c != d, d == e */ 1622 .pnum = UINT64_C(0x0002000100010002), 1623 .idx = 3, 1624 .lpv = 1, 1625 }, 1626 { 1627 /* 0xa: a != b, b == c, c != d, d == e */ 1628 .pnum = UINT64_C(0x0002000100020001), 1629 .idx = 3, 1630 .lpv = 0, 1631 }, 1632 { 1633 /* 0xb: a == b, b == c, c != d, d == e */ 1634 .pnum = UINT64_C(0x0002000100020003), 1635 .idx = 3, 1636 .lpv = 2, 1637 }, 1638 { 1639 /* 0xc: a != b, b != c, c == d, d == e */ 1640 .pnum = UINT64_C(0x0002000300010001), 1641 .idx = 2, 1642 .lpv = 0, 1643 }, 1644 { 1645 /* 0xd: a == b, b != c, c == d, d == e */ 1646 .pnum = UINT64_C(0x0002000300010002), 1647 .idx = 2, 1648 .lpv = 1, 1649 }, 1650 { 1651 /* 0xe: a != b, b == c, c == d, d == e */ 1652 .pnum = UINT64_C(0x0002000300040001), 1653 .idx = 1, 1654 .lpv = 0, 1655 }, 1656 { 1657 /* 0xf: a == b, b == c, c == d, d == e */ 1658 .pnum = UINT64_C(0x0002000300040005), 1659 .idx = 0, 1660 .lpv = 4, 1661 }, 1662 }; 1663 1664 union { 1665 uint16_t u16[FWDSTEP + 1]; 1666 uint64_t u64; 1667 } *pnum = (void *)pn; 1668 1669 int32_t v; 1670 1671 dp1 = _mm_cmpeq_epi16(dp1, dp2); 1672 dp1 = _mm_unpacklo_epi16(dp1, dp1); 1673 v = _mm_movemask_ps((__m128)dp1); 1674 1675 /* update last port counter. */ 1676 lp[0] += gptbl[v].lpv; 1677 1678 /* if dest port value has changed. */ 1679 if (v != GRPMSK) { 1680 pnum->u64 = gptbl[v].pnum; 1681 pnum->u16[FWDSTEP] = 1; 1682 lp = pnum->u16 + gptbl[v].idx; 1683 } 1684 1685 return lp; 1686 } 1687 1688 #endif /* APP_LOOKUP_METHOD */ 1689 1690 static void 1691 process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx, 1692 uint16_t portid) 1693 { 1694 1695 int j; 1696 1697 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1698 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1699 int32_t k; 1700 uint16_t dlp; 1701 uint16_t *lp; 1702 uint16_t dst_port[MAX_PKT_BURST]; 1703 __m128i dip[MAX_PKT_BURST / FWDSTEP]; 1704 uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP]; 1705 uint16_t pnum[MAX_PKT_BURST + 1]; 1706 #endif 1707 1708 1709 #if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1) 1710 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1711 { 1712 /* 1713 * Send nb_rx - nb_rx%8 packets 1714 * in groups of 8. 1715 */ 1716 int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8); 1717 1718 for (j = 0; j < n; j += 8) { 1719 uint32_t pkt_type = 1720 pkts_burst[j]->packet_type & 1721 pkts_burst[j+1]->packet_type & 1722 pkts_burst[j+2]->packet_type & 1723 pkts_burst[j+3]->packet_type & 1724 pkts_burst[j+4]->packet_type & 1725 pkts_burst[j+5]->packet_type & 1726 pkts_burst[j+6]->packet_type & 1727 pkts_burst[j+7]->packet_type; 1728 if (pkt_type & RTE_PTYPE_L3_IPV4) { 1729 simple_ipv4_fwd_8pkts(&pkts_burst[j], portid); 1730 } else if (pkt_type & 1731 RTE_PTYPE_L3_IPV6) { 1732 simple_ipv6_fwd_8pkts(&pkts_burst[j], portid); 1733 } else { 1734 l3fwd_simple_forward(pkts_burst[j], portid); 1735 l3fwd_simple_forward(pkts_burst[j+1], portid); 1736 l3fwd_simple_forward(pkts_burst[j+2], portid); 1737 l3fwd_simple_forward(pkts_burst[j+3], portid); 1738 l3fwd_simple_forward(pkts_burst[j+4], portid); 1739 l3fwd_simple_forward(pkts_burst[j+5], portid); 1740 l3fwd_simple_forward(pkts_burst[j+6], portid); 1741 l3fwd_simple_forward(pkts_burst[j+7], portid); 1742 } 1743 } 1744 for (; j < nb_rx ; j++) 1745 l3fwd_simple_forward(pkts_burst[j], portid); 1746 } 1747 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1748 1749 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1750 for (j = 0; j != k; j += FWDSTEP) 1751 processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP], 1752 &ipv4_flag[j / FWDSTEP]); 1753 1754 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1755 for (j = 0; j != k; j += FWDSTEP) 1756 processx4_step2(dip[j / FWDSTEP], ipv4_flag[j / FWDSTEP], 1757 portid, &pkts_burst[j], &dst_port[j]); 1758 1759 /* 1760 * Finish packet processing and group consecutive 1761 * packets with the same destination port. 1762 */ 1763 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1764 if (k != 0) { 1765 __m128i dp1, dp2; 1766 1767 lp = pnum; 1768 lp[0] = 1; 1769 1770 processx4_step3(pkts_burst, dst_port); 1771 1772 /* dp1: <d[0], d[1], d[2], d[3], ... > */ 1773 dp1 = _mm_loadu_si128((__m128i *)dst_port); 1774 1775 for (j = FWDSTEP; j != k; j += FWDSTEP) { 1776 processx4_step3(&pkts_burst[j], &dst_port[j]); 1777 1778 /* 1779 * dp2: 1780 * <d[j-3], d[j-2], d[j-1], d[j], ... > 1781 */ 1782 dp2 = _mm_loadu_si128( 1783 (__m128i *)&dst_port[j - FWDSTEP + 1]); 1784 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2); 1785 1786 /* 1787 * dp1: 1788 * <d[j], d[j+1], d[j+2], d[j+3], ... > 1789 */ 1790 dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) * 1791 sizeof(dst_port[0])); 1792 } 1793 1794 /* 1795 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... > 1796 */ 1797 dp2 = _mm_shufflelo_epi16(dp1, 0xf9); 1798 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2); 1799 1800 /* 1801 * remove values added by the last repeated 1802 * dst port. 1803 */ 1804 lp[0]--; 1805 dlp = dst_port[j - 1]; 1806 } else { 1807 /* set dlp and lp to the never used values. */ 1808 dlp = BAD_PORT - 1; 1809 lp = pnum + MAX_PKT_BURST; 1810 } 1811 1812 /* Process up to last 3 packets one by one. */ 1813 switch (nb_rx % FWDSTEP) { 1814 case 3: 1815 process_packet(pkts_burst[j], dst_port + j, portid); 1816 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1817 j++; 1818 /* fall-through */ 1819 case 2: 1820 process_packet(pkts_burst[j], dst_port + j, portid); 1821 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1822 j++; 1823 /* fall-through */ 1824 case 1: 1825 process_packet(pkts_burst[j], dst_port + j, portid); 1826 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1827 j++; 1828 } 1829 1830 /* 1831 * Send packets out, through destination port. 1832 * Consecuteve pacekts with the same destination port 1833 * are already grouped together. 1834 * If destination port for the packet equals BAD_PORT, 1835 * then free the packet without sending it out. 1836 */ 1837 for (j = 0; j < nb_rx; j += k) { 1838 1839 int32_t m; 1840 uint16_t pn; 1841 1842 pn = dst_port[j]; 1843 k = pnum[j]; 1844 1845 if (likely(pn != BAD_PORT)) 1846 send_packetsx4(pn, pkts_burst + j, k); 1847 else 1848 for (m = j; m != j + k; m++) 1849 rte_pktmbuf_free(pkts_burst[m]); 1850 1851 } 1852 1853 #endif /* APP_LOOKUP_METHOD */ 1854 #else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */ 1855 1856 /* Prefetch first packets */ 1857 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) 1858 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *)); 1859 1860 /* Prefetch and forward already prefetched packets */ 1861 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 1862 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 1863 j + PREFETCH_OFFSET], void *)); 1864 l3fwd_simple_forward(pkts_burst[j], portid); 1865 } 1866 1867 /* Forward remaining prefetched packets */ 1868 for (; j < nb_rx; j++) 1869 l3fwd_simple_forward(pkts_burst[j], portid); 1870 1871 #endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */ 1872 1873 } 1874 1875 #if (APP_CPU_LOAD > 0) 1876 1877 /* 1878 * CPU-load stats collector 1879 */ 1880 static int __attribute__((noreturn)) 1881 cpu_load_collector(__rte_unused void *arg) { 1882 unsigned i, j, k; 1883 uint64_t hits; 1884 uint64_t prev_tsc, diff_tsc, cur_tsc; 1885 uint64_t total[MAX_CPU] = { 0 }; 1886 unsigned min_cpu = MAX_CPU; 1887 unsigned max_cpu = 0; 1888 unsigned cpu_id; 1889 int busy_total = 0; 1890 int busy_flag = 0; 1891 1892 unsigned int n_thread_per_cpu[MAX_CPU] = { 0 }; 1893 struct thread_conf *thread_per_cpu[MAX_CPU][MAX_THREAD]; 1894 1895 struct thread_conf *thread_conf; 1896 1897 const uint64_t interval_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 1898 US_PER_S * CPU_LOAD_TIMEOUT_US; 1899 1900 prev_tsc = 0; 1901 /* 1902 * Wait for all threads 1903 */ 1904 1905 printf("Waiting for %d rx threads and %d tx threads\n", n_rx_thread, 1906 n_tx_thread); 1907 1908 while (rte_atomic16_read(&rx_counter) < n_rx_thread) 1909 rte_pause(); 1910 1911 while (rte_atomic16_read(&tx_counter) < n_tx_thread) 1912 rte_pause(); 1913 1914 for (i = 0; i < n_rx_thread; i++) { 1915 1916 thread_conf = &rx_thread[i].conf; 1917 cpu_id = thread_conf->cpu_id; 1918 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf; 1919 1920 if (cpu_id > max_cpu) 1921 max_cpu = cpu_id; 1922 if (cpu_id < min_cpu) 1923 min_cpu = cpu_id; 1924 } 1925 for (i = 0; i < n_tx_thread; i++) { 1926 1927 thread_conf = &tx_thread[i].conf; 1928 cpu_id = thread_conf->cpu_id; 1929 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf; 1930 1931 if (thread_conf->cpu_id > max_cpu) 1932 max_cpu = thread_conf->cpu_id; 1933 if (thread_conf->cpu_id < min_cpu) 1934 min_cpu = thread_conf->cpu_id; 1935 } 1936 1937 while (1) { 1938 1939 cpu_load.counter++; 1940 for (i = min_cpu; i <= max_cpu; i++) { 1941 for (j = 0; j < MAX_CPU_COUNTER; j++) { 1942 for (k = 0; k < n_thread_per_cpu[i]; k++) 1943 if (thread_per_cpu[i][k]->busy[j]) { 1944 busy_flag = 1; 1945 break; 1946 } 1947 if (busy_flag) { 1948 cpu_load.hits[j][i]++; 1949 busy_total = 1; 1950 busy_flag = 0; 1951 } 1952 } 1953 1954 if (busy_total) { 1955 total[i]++; 1956 busy_total = 0; 1957 } 1958 } 1959 1960 cur_tsc = rte_rdtsc(); 1961 1962 diff_tsc = cur_tsc - prev_tsc; 1963 if (unlikely(diff_tsc > interval_tsc)) { 1964 1965 printf("\033c"); 1966 1967 printf("Cpu usage for %d rx threads and %d tx threads:\n\n", 1968 n_rx_thread, n_tx_thread); 1969 1970 printf("cpu# proc%% poll%% overhead%%\n\n"); 1971 1972 for (i = min_cpu; i <= max_cpu; i++) { 1973 hits = 0; 1974 printf("CPU %d:", i); 1975 for (j = 0; j < MAX_CPU_COUNTER; j++) { 1976 printf("%7" PRIu64 "", 1977 cpu_load.hits[j][i] * 100 / cpu_load.counter); 1978 hits += cpu_load.hits[j][i]; 1979 cpu_load.hits[j][i] = 0; 1980 } 1981 printf("%7" PRIu64 "\n", 1982 100 - total[i] * 100 / cpu_load.counter); 1983 total[i] = 0; 1984 } 1985 cpu_load.counter = 0; 1986 1987 prev_tsc = cur_tsc; 1988 } 1989 1990 } 1991 } 1992 #endif /* APP_CPU_LOAD */ 1993 1994 /* 1995 * Null processing lthread loop 1996 * 1997 * This loop is used to start empty scheduler on lcore. 1998 */ 1999 static void * 2000 lthread_null(__rte_unused void *args) 2001 { 2002 int lcore_id = rte_lcore_id(); 2003 2004 RTE_LOG(INFO, L3FWD, "Starting scheduler on lcore %d.\n", lcore_id); 2005 lthread_exit(NULL); 2006 return NULL; 2007 } 2008 2009 /* main processing loop */ 2010 static void * 2011 lthread_tx_per_ring(void *dummy) 2012 { 2013 int nb_rx; 2014 uint16_t portid; 2015 struct rte_ring *ring; 2016 struct thread_tx_conf *tx_conf; 2017 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2018 struct lthread_cond *ready; 2019 2020 tx_conf = (struct thread_tx_conf *)dummy; 2021 ring = tx_conf->ring; 2022 ready = *tx_conf->ready; 2023 2024 lthread_set_data((void *)tx_conf); 2025 2026 /* 2027 * Move this lthread to lcore 2028 */ 2029 lthread_set_affinity(tx_conf->conf.lcore_id); 2030 2031 RTE_LOG(INFO, L3FWD, "entering main tx loop on lcore %u\n", rte_lcore_id()); 2032 2033 nb_rx = 0; 2034 rte_atomic16_inc(&tx_counter); 2035 while (1) { 2036 2037 /* 2038 * Read packet from ring 2039 */ 2040 SET_CPU_BUSY(tx_conf, CPU_POLL); 2041 nb_rx = rte_ring_sc_dequeue_burst(ring, (void **)pkts_burst, 2042 MAX_PKT_BURST, NULL); 2043 SET_CPU_IDLE(tx_conf, CPU_POLL); 2044 2045 if (nb_rx > 0) { 2046 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2047 portid = pkts_burst[0]->port; 2048 process_burst(pkts_burst, nb_rx, portid); 2049 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2050 lthread_yield(); 2051 } else 2052 lthread_cond_wait(ready, 0); 2053 2054 } 2055 return NULL; 2056 } 2057 2058 /* 2059 * Main tx-lthreads spawner lthread. 2060 * 2061 * This lthread is used to spawn one new lthread per ring from producers. 2062 * 2063 */ 2064 static void * 2065 lthread_tx(void *args) 2066 { 2067 struct lthread *lt; 2068 2069 unsigned lcore_id; 2070 uint16_t portid; 2071 struct thread_tx_conf *tx_conf; 2072 2073 tx_conf = (struct thread_tx_conf *)args; 2074 lthread_set_data((void *)tx_conf); 2075 2076 /* 2077 * Move this lthread to the selected lcore 2078 */ 2079 lthread_set_affinity(tx_conf->conf.lcore_id); 2080 2081 /* 2082 * Spawn tx readers (one per input ring) 2083 */ 2084 lthread_create(<, tx_conf->conf.lcore_id, lthread_tx_per_ring, 2085 (void *)tx_conf); 2086 2087 lcore_id = rte_lcore_id(); 2088 2089 RTE_LOG(INFO, L3FWD, "Entering Tx main loop on lcore %u\n", lcore_id); 2090 2091 tx_conf->conf.cpu_id = sched_getcpu(); 2092 while (1) { 2093 2094 lthread_sleep(BURST_TX_DRAIN_US * 1000); 2095 2096 /* 2097 * TX burst queue drain 2098 */ 2099 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 2100 if (tx_conf->tx_mbufs[portid].len == 0) 2101 continue; 2102 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2103 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid); 2104 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2105 tx_conf->tx_mbufs[portid].len = 0; 2106 } 2107 2108 } 2109 return NULL; 2110 } 2111 2112 static void * 2113 lthread_rx(void *dummy) 2114 { 2115 int ret; 2116 uint16_t nb_rx; 2117 int i; 2118 uint16_t portid; 2119 uint8_t queueid; 2120 int worker_id; 2121 int len[RTE_MAX_LCORE] = { 0 }; 2122 int old_len, new_len; 2123 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2124 struct thread_rx_conf *rx_conf; 2125 2126 rx_conf = (struct thread_rx_conf *)dummy; 2127 lthread_set_data((void *)rx_conf); 2128 2129 /* 2130 * Move this lthread to lcore 2131 */ 2132 lthread_set_affinity(rx_conf->conf.lcore_id); 2133 2134 if (rx_conf->n_rx_queue == 0) { 2135 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", rte_lcore_id()); 2136 return NULL; 2137 } 2138 2139 RTE_LOG(INFO, L3FWD, "Entering main Rx loop on lcore %u\n", rte_lcore_id()); 2140 2141 for (i = 0; i < rx_conf->n_rx_queue; i++) { 2142 2143 portid = rx_conf->rx_queue_list[i].port_id; 2144 queueid = rx_conf->rx_queue_list[i].queue_id; 2145 RTE_LOG(INFO, L3FWD, 2146 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n", 2147 rte_lcore_id(), portid, queueid); 2148 } 2149 2150 /* 2151 * Init all condition variables (one per rx thread) 2152 */ 2153 for (i = 0; i < rx_conf->n_rx_queue; i++) 2154 lthread_cond_init(NULL, &rx_conf->ready[i], NULL); 2155 2156 worker_id = 0; 2157 2158 rx_conf->conf.cpu_id = sched_getcpu(); 2159 rte_atomic16_inc(&rx_counter); 2160 while (1) { 2161 2162 /* 2163 * Read packet from RX queues 2164 */ 2165 for (i = 0; i < rx_conf->n_rx_queue; ++i) { 2166 portid = rx_conf->rx_queue_list[i].port_id; 2167 queueid = rx_conf->rx_queue_list[i].queue_id; 2168 2169 SET_CPU_BUSY(rx_conf, CPU_POLL); 2170 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 2171 MAX_PKT_BURST); 2172 SET_CPU_IDLE(rx_conf, CPU_POLL); 2173 2174 if (nb_rx != 0) { 2175 worker_id = (worker_id + 1) % rx_conf->n_ring; 2176 old_len = len[worker_id]; 2177 2178 SET_CPU_BUSY(rx_conf, CPU_PROCESS); 2179 ret = rte_ring_sp_enqueue_burst( 2180 rx_conf->ring[worker_id], 2181 (void **) pkts_burst, 2182 nb_rx, NULL); 2183 2184 new_len = old_len + ret; 2185 2186 if (new_len >= BURST_SIZE) { 2187 lthread_cond_signal(rx_conf->ready[worker_id]); 2188 new_len = 0; 2189 } 2190 2191 len[worker_id] = new_len; 2192 2193 if (unlikely(ret < nb_rx)) { 2194 uint32_t k; 2195 2196 for (k = ret; k < nb_rx; k++) { 2197 struct rte_mbuf *m = pkts_burst[k]; 2198 2199 rte_pktmbuf_free(m); 2200 } 2201 } 2202 SET_CPU_IDLE(rx_conf, CPU_PROCESS); 2203 } 2204 2205 lthread_yield(); 2206 } 2207 } 2208 return NULL; 2209 } 2210 2211 /* 2212 * Start scheduler with initial lthread on lcore 2213 * 2214 * This lthread loop spawns all rx and tx lthreads on master lcore 2215 */ 2216 2217 static void * 2218 lthread_spawner(__rte_unused void *arg) 2219 { 2220 struct lthread *lt[MAX_THREAD]; 2221 int i; 2222 int n_thread = 0; 2223 2224 printf("Entering lthread_spawner\n"); 2225 2226 /* 2227 * Create producers (rx threads) on default lcore 2228 */ 2229 for (i = 0; i < n_rx_thread; i++) { 2230 rx_thread[i].conf.thread_id = i; 2231 lthread_create(<[n_thread], -1, lthread_rx, 2232 (void *)&rx_thread[i]); 2233 n_thread++; 2234 } 2235 2236 /* 2237 * Wait for all producers. Until some producers can be started on the same 2238 * scheduler as this lthread, yielding is required to let them to run and 2239 * prevent deadlock here. 2240 */ 2241 while (rte_atomic16_read(&rx_counter) < n_rx_thread) 2242 lthread_sleep(100000); 2243 2244 /* 2245 * Create consumers (tx threads) on default lcore_id 2246 */ 2247 for (i = 0; i < n_tx_thread; i++) { 2248 tx_thread[i].conf.thread_id = i; 2249 lthread_create(<[n_thread], -1, lthread_tx, 2250 (void *)&tx_thread[i]); 2251 n_thread++; 2252 } 2253 2254 /* 2255 * Wait for all threads finished 2256 */ 2257 for (i = 0; i < n_thread; i++) 2258 lthread_join(lt[i], NULL); 2259 2260 return NULL; 2261 } 2262 2263 /* 2264 * Start master scheduler with initial lthread spawning rx and tx lthreads 2265 * (main_lthread_master). 2266 */ 2267 static int 2268 lthread_master_spawner(__rte_unused void *arg) { 2269 struct lthread *lt; 2270 int lcore_id = rte_lcore_id(); 2271 2272 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2273 lthread_create(<, -1, lthread_spawner, NULL); 2274 lthread_run(); 2275 2276 return 0; 2277 } 2278 2279 /* 2280 * Start scheduler on lcore. 2281 */ 2282 static int 2283 sched_spawner(__rte_unused void *arg) { 2284 struct lthread *lt; 2285 int lcore_id = rte_lcore_id(); 2286 2287 #if (APP_CPU_LOAD) 2288 if (lcore_id == cpu_load_lcore_id) { 2289 cpu_load_collector(arg); 2290 return 0; 2291 } 2292 #endif /* APP_CPU_LOAD */ 2293 2294 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2295 lthread_create(<, -1, lthread_null, NULL); 2296 lthread_run(); 2297 2298 return 0; 2299 } 2300 2301 /* main processing loop */ 2302 static int __attribute__((noreturn)) 2303 pthread_tx(void *dummy) 2304 { 2305 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2306 uint64_t prev_tsc, diff_tsc, cur_tsc; 2307 int nb_rx; 2308 uint16_t portid; 2309 struct thread_tx_conf *tx_conf; 2310 2311 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 2312 US_PER_S * BURST_TX_DRAIN_US; 2313 2314 prev_tsc = 0; 2315 2316 tx_conf = (struct thread_tx_conf *)dummy; 2317 2318 RTE_LOG(INFO, L3FWD, "Entering main Tx loop on lcore %u\n", rte_lcore_id()); 2319 2320 tx_conf->conf.cpu_id = sched_getcpu(); 2321 rte_atomic16_inc(&tx_counter); 2322 while (1) { 2323 2324 cur_tsc = rte_rdtsc(); 2325 2326 /* 2327 * TX burst queue drain 2328 */ 2329 diff_tsc = cur_tsc - prev_tsc; 2330 if (unlikely(diff_tsc > drain_tsc)) { 2331 2332 /* 2333 * This could be optimized (use queueid instead of 2334 * portid), but it is not called so often 2335 */ 2336 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2337 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 2338 if (tx_conf->tx_mbufs[portid].len == 0) 2339 continue; 2340 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid); 2341 tx_conf->tx_mbufs[portid].len = 0; 2342 } 2343 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2344 2345 prev_tsc = cur_tsc; 2346 } 2347 2348 /* 2349 * Read packet from ring 2350 */ 2351 SET_CPU_BUSY(tx_conf, CPU_POLL); 2352 nb_rx = rte_ring_sc_dequeue_burst(tx_conf->ring, 2353 (void **)pkts_burst, MAX_PKT_BURST, NULL); 2354 SET_CPU_IDLE(tx_conf, CPU_POLL); 2355 2356 if (unlikely(nb_rx == 0)) { 2357 sched_yield(); 2358 continue; 2359 } 2360 2361 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2362 portid = pkts_burst[0]->port; 2363 process_burst(pkts_burst, nb_rx, portid); 2364 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2365 2366 } 2367 } 2368 2369 static int 2370 pthread_rx(void *dummy) 2371 { 2372 int i; 2373 int worker_id; 2374 uint32_t n; 2375 uint32_t nb_rx; 2376 unsigned lcore_id; 2377 uint8_t queueid; 2378 uint16_t portid; 2379 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2380 2381 struct thread_rx_conf *rx_conf; 2382 2383 lcore_id = rte_lcore_id(); 2384 rx_conf = (struct thread_rx_conf *)dummy; 2385 2386 if (rx_conf->n_rx_queue == 0) { 2387 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id); 2388 return 0; 2389 } 2390 2391 RTE_LOG(INFO, L3FWD, "entering main rx loop on lcore %u\n", lcore_id); 2392 2393 for (i = 0; i < rx_conf->n_rx_queue; i++) { 2394 2395 portid = rx_conf->rx_queue_list[i].port_id; 2396 queueid = rx_conf->rx_queue_list[i].queue_id; 2397 RTE_LOG(INFO, L3FWD, 2398 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n", 2399 lcore_id, portid, queueid); 2400 } 2401 2402 worker_id = 0; 2403 rx_conf->conf.cpu_id = sched_getcpu(); 2404 rte_atomic16_inc(&rx_counter); 2405 while (1) { 2406 2407 /* 2408 * Read packet from RX queues 2409 */ 2410 for (i = 0; i < rx_conf->n_rx_queue; ++i) { 2411 portid = rx_conf->rx_queue_list[i].port_id; 2412 queueid = rx_conf->rx_queue_list[i].queue_id; 2413 2414 SET_CPU_BUSY(rx_conf, CPU_POLL); 2415 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 2416 MAX_PKT_BURST); 2417 SET_CPU_IDLE(rx_conf, CPU_POLL); 2418 2419 if (nb_rx == 0) { 2420 sched_yield(); 2421 continue; 2422 } 2423 2424 SET_CPU_BUSY(rx_conf, CPU_PROCESS); 2425 worker_id = (worker_id + 1) % rx_conf->n_ring; 2426 n = rte_ring_sp_enqueue_burst(rx_conf->ring[worker_id], 2427 (void **)pkts_burst, nb_rx, NULL); 2428 2429 if (unlikely(n != nb_rx)) { 2430 uint32_t k; 2431 2432 for (k = n; k < nb_rx; k++) { 2433 struct rte_mbuf *m = pkts_burst[k]; 2434 2435 rte_pktmbuf_free(m); 2436 } 2437 } 2438 2439 SET_CPU_IDLE(rx_conf, CPU_PROCESS); 2440 2441 } 2442 } 2443 } 2444 2445 /* 2446 * P-Thread spawner. 2447 */ 2448 static int 2449 pthread_run(__rte_unused void *arg) { 2450 int lcore_id = rte_lcore_id(); 2451 int i; 2452 2453 for (i = 0; i < n_rx_thread; i++) 2454 if (rx_thread[i].conf.lcore_id == lcore_id) { 2455 printf("Start rx thread on %d...\n", lcore_id); 2456 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2457 RTE_PER_LCORE(lcore_conf)->data = (void *)&rx_thread[i]; 2458 pthread_rx((void *)&rx_thread[i]); 2459 return 0; 2460 } 2461 2462 for (i = 0; i < n_tx_thread; i++) 2463 if (tx_thread[i].conf.lcore_id == lcore_id) { 2464 printf("Start tx thread on %d...\n", lcore_id); 2465 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2466 RTE_PER_LCORE(lcore_conf)->data = (void *)&tx_thread[i]; 2467 pthread_tx((void *)&tx_thread[i]); 2468 return 0; 2469 } 2470 2471 #if (APP_CPU_LOAD) 2472 if (lcore_id == cpu_load_lcore_id) 2473 cpu_load_collector(arg); 2474 #endif /* APP_CPU_LOAD */ 2475 2476 return 0; 2477 } 2478 2479 static int 2480 check_lcore_params(void) 2481 { 2482 uint8_t queue, lcore; 2483 uint16_t i; 2484 int socketid; 2485 2486 for (i = 0; i < nb_rx_thread_params; ++i) { 2487 queue = rx_thread_params[i].queue_id; 2488 if (queue >= MAX_RX_QUEUE_PER_PORT) { 2489 printf("invalid queue number: %hhu\n", queue); 2490 return -1; 2491 } 2492 lcore = rx_thread_params[i].lcore_id; 2493 if (!rte_lcore_is_enabled(lcore)) { 2494 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore); 2495 return -1; 2496 } 2497 socketid = rte_lcore_to_socket_id(lcore); 2498 if ((socketid != 0) && (numa_on == 0)) 2499 printf("warning: lcore %hhu is on socket %d with numa off\n", 2500 lcore, socketid); 2501 } 2502 return 0; 2503 } 2504 2505 static int 2506 check_port_config(void) 2507 { 2508 unsigned portid; 2509 uint16_t i; 2510 2511 for (i = 0; i < nb_rx_thread_params; ++i) { 2512 portid = rx_thread_params[i].port_id; 2513 if ((enabled_port_mask & (1 << portid)) == 0) { 2514 printf("port %u is not enabled in port mask\n", portid); 2515 return -1; 2516 } 2517 if (!rte_eth_dev_is_valid_port(portid)) { 2518 printf("port %u is not present on the board\n", portid); 2519 return -1; 2520 } 2521 } 2522 return 0; 2523 } 2524 2525 static uint8_t 2526 get_port_n_rx_queues(const uint16_t port) 2527 { 2528 int queue = -1; 2529 uint16_t i; 2530 2531 for (i = 0; i < nb_rx_thread_params; ++i) 2532 if (rx_thread_params[i].port_id == port && 2533 rx_thread_params[i].queue_id > queue) 2534 queue = rx_thread_params[i].queue_id; 2535 2536 return (uint8_t)(++queue); 2537 } 2538 2539 static int 2540 init_rx_rings(void) 2541 { 2542 unsigned socket_io; 2543 struct thread_rx_conf *rx_conf; 2544 struct thread_tx_conf *tx_conf; 2545 unsigned rx_thread_id, tx_thread_id; 2546 char name[256]; 2547 struct rte_ring *ring = NULL; 2548 2549 for (tx_thread_id = 0; tx_thread_id < n_tx_thread; tx_thread_id++) { 2550 2551 tx_conf = &tx_thread[tx_thread_id]; 2552 2553 printf("Connecting tx-thread %d with rx-thread %d\n", tx_thread_id, 2554 tx_conf->conf.thread_id); 2555 2556 rx_thread_id = tx_conf->conf.thread_id; 2557 if (rx_thread_id > n_tx_thread) { 2558 printf("connection from tx-thread %u to rx-thread %u fails " 2559 "(rx-thread not defined)\n", tx_thread_id, rx_thread_id); 2560 return -1; 2561 } 2562 2563 rx_conf = &rx_thread[rx_thread_id]; 2564 socket_io = rte_lcore_to_socket_id(rx_conf->conf.lcore_id); 2565 2566 snprintf(name, sizeof(name), "app_ring_s%u_rx%u_tx%u", 2567 socket_io, rx_thread_id, tx_thread_id); 2568 2569 ring = rte_ring_create(name, 1024 * 4, socket_io, 2570 RING_F_SP_ENQ | RING_F_SC_DEQ); 2571 2572 if (ring == NULL) { 2573 rte_panic("Cannot create ring to connect rx-thread %u " 2574 "with tx-thread %u\n", rx_thread_id, tx_thread_id); 2575 } 2576 2577 rx_conf->ring[rx_conf->n_ring] = ring; 2578 2579 tx_conf->ring = ring; 2580 tx_conf->ready = &rx_conf->ready[rx_conf->n_ring]; 2581 2582 rx_conf->n_ring++; 2583 } 2584 return 0; 2585 } 2586 2587 static int 2588 init_rx_queues(void) 2589 { 2590 uint16_t i, nb_rx_queue; 2591 uint8_t thread; 2592 2593 n_rx_thread = 0; 2594 2595 for (i = 0; i < nb_rx_thread_params; ++i) { 2596 thread = rx_thread_params[i].thread_id; 2597 nb_rx_queue = rx_thread[thread].n_rx_queue; 2598 2599 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 2600 printf("error: too many queues (%u) for thread: %u\n", 2601 (unsigned)nb_rx_queue + 1, (unsigned)thread); 2602 return -1; 2603 } 2604 2605 rx_thread[thread].conf.thread_id = thread; 2606 rx_thread[thread].conf.lcore_id = rx_thread_params[i].lcore_id; 2607 rx_thread[thread].rx_queue_list[nb_rx_queue].port_id = 2608 rx_thread_params[i].port_id; 2609 rx_thread[thread].rx_queue_list[nb_rx_queue].queue_id = 2610 rx_thread_params[i].queue_id; 2611 rx_thread[thread].n_rx_queue++; 2612 2613 if (thread >= n_rx_thread) 2614 n_rx_thread = thread + 1; 2615 2616 } 2617 return 0; 2618 } 2619 2620 static int 2621 init_tx_threads(void) 2622 { 2623 int i; 2624 2625 n_tx_thread = 0; 2626 for (i = 0; i < nb_tx_thread_params; ++i) { 2627 tx_thread[n_tx_thread].conf.thread_id = tx_thread_params[i].thread_id; 2628 tx_thread[n_tx_thread].conf.lcore_id = tx_thread_params[i].lcore_id; 2629 n_tx_thread++; 2630 } 2631 return 0; 2632 } 2633 2634 /* display usage */ 2635 static void 2636 print_usage(const char *prgname) 2637 { 2638 printf("%s [EAL options] -- -p PORTMASK -P" 2639 " [--rx (port,queue,lcore,thread)[,(port,queue,lcore,thread]]" 2640 " [--tx (lcore,thread)[,(lcore,thread]]" 2641 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n" 2642 " [--parse-ptype]\n\n" 2643 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 2644 " -P : enable promiscuous mode\n" 2645 " --rx (port,queue,lcore,thread): rx queues configuration\n" 2646 " --tx (lcore,thread): tx threads configuration\n" 2647 " --stat-lcore LCORE: use lcore for stat collector\n" 2648 " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n" 2649 " --no-numa: optional, disable numa awareness\n" 2650 " --ipv6: optional, specify it if running ipv6 packets\n" 2651 " --enable-jumbo: enable jumbo frame" 2652 " which max packet len is PKTLEN in decimal (64-9600)\n" 2653 " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n" 2654 " --no-lthreads: turn off lthread model\n" 2655 " --parse-ptype: set to use software to analyze packet type\n\n", 2656 prgname); 2657 } 2658 2659 static int parse_max_pkt_len(const char *pktlen) 2660 { 2661 char *end = NULL; 2662 unsigned long len; 2663 2664 /* parse decimal string */ 2665 len = strtoul(pktlen, &end, 10); 2666 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 2667 return -1; 2668 2669 if (len == 0) 2670 return -1; 2671 2672 return len; 2673 } 2674 2675 static int 2676 parse_portmask(const char *portmask) 2677 { 2678 char *end = NULL; 2679 unsigned long pm; 2680 2681 /* parse hexadecimal string */ 2682 pm = strtoul(portmask, &end, 16); 2683 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 2684 return -1; 2685 2686 if (pm == 0) 2687 return -1; 2688 2689 return pm; 2690 } 2691 2692 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2693 static int 2694 parse_hash_entry_number(const char *hash_entry_num) 2695 { 2696 char *end = NULL; 2697 unsigned long hash_en; 2698 2699 /* parse hexadecimal string */ 2700 hash_en = strtoul(hash_entry_num, &end, 16); 2701 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) 2702 return -1; 2703 2704 if (hash_en == 0) 2705 return -1; 2706 2707 return hash_en; 2708 } 2709 #endif 2710 2711 static int 2712 parse_rx_config(const char *q_arg) 2713 { 2714 char s[256]; 2715 const char *p, *p0 = q_arg; 2716 char *end; 2717 enum fieldnames { 2718 FLD_PORT = 0, 2719 FLD_QUEUE, 2720 FLD_LCORE, 2721 FLD_THREAD, 2722 _NUM_FLD 2723 }; 2724 unsigned long int_fld[_NUM_FLD]; 2725 char *str_fld[_NUM_FLD]; 2726 int i; 2727 unsigned size; 2728 2729 nb_rx_thread_params = 0; 2730 2731 while ((p = strchr(p0, '(')) != NULL) { 2732 ++p; 2733 p0 = strchr(p, ')'); 2734 if (p0 == NULL) 2735 return -1; 2736 2737 size = p0 - p; 2738 if (size >= sizeof(s)) 2739 return -1; 2740 2741 snprintf(s, sizeof(s), "%.*s", size, p); 2742 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 2743 return -1; 2744 for (i = 0; i < _NUM_FLD; i++) { 2745 errno = 0; 2746 int_fld[i] = strtoul(str_fld[i], &end, 0); 2747 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 2748 return -1; 2749 } 2750 if (nb_rx_thread_params >= MAX_LCORE_PARAMS) { 2751 printf("exceeded max number of rx params: %hu\n", 2752 nb_rx_thread_params); 2753 return -1; 2754 } 2755 rx_thread_params_array[nb_rx_thread_params].port_id = 2756 int_fld[FLD_PORT]; 2757 rx_thread_params_array[nb_rx_thread_params].queue_id = 2758 (uint8_t)int_fld[FLD_QUEUE]; 2759 rx_thread_params_array[nb_rx_thread_params].lcore_id = 2760 (uint8_t)int_fld[FLD_LCORE]; 2761 rx_thread_params_array[nb_rx_thread_params].thread_id = 2762 (uint8_t)int_fld[FLD_THREAD]; 2763 ++nb_rx_thread_params; 2764 } 2765 rx_thread_params = rx_thread_params_array; 2766 return 0; 2767 } 2768 2769 static int 2770 parse_tx_config(const char *q_arg) 2771 { 2772 char s[256]; 2773 const char *p, *p0 = q_arg; 2774 char *end; 2775 enum fieldnames { 2776 FLD_LCORE = 0, 2777 FLD_THREAD, 2778 _NUM_FLD 2779 }; 2780 unsigned long int_fld[_NUM_FLD]; 2781 char *str_fld[_NUM_FLD]; 2782 int i; 2783 unsigned size; 2784 2785 nb_tx_thread_params = 0; 2786 2787 while ((p = strchr(p0, '(')) != NULL) { 2788 ++p; 2789 p0 = strchr(p, ')'); 2790 if (p0 == NULL) 2791 return -1; 2792 2793 size = p0 - p; 2794 if (size >= sizeof(s)) 2795 return -1; 2796 2797 snprintf(s, sizeof(s), "%.*s", size, p); 2798 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 2799 return -1; 2800 for (i = 0; i < _NUM_FLD; i++) { 2801 errno = 0; 2802 int_fld[i] = strtoul(str_fld[i], &end, 0); 2803 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 2804 return -1; 2805 } 2806 if (nb_tx_thread_params >= MAX_LCORE_PARAMS) { 2807 printf("exceeded max number of tx params: %hu\n", 2808 nb_tx_thread_params); 2809 return -1; 2810 } 2811 tx_thread_params_array[nb_tx_thread_params].lcore_id = 2812 (uint8_t)int_fld[FLD_LCORE]; 2813 tx_thread_params_array[nb_tx_thread_params].thread_id = 2814 (uint8_t)int_fld[FLD_THREAD]; 2815 ++nb_tx_thread_params; 2816 } 2817 tx_thread_params = tx_thread_params_array; 2818 2819 return 0; 2820 } 2821 2822 #if (APP_CPU_LOAD > 0) 2823 static int 2824 parse_stat_lcore(const char *stat_lcore) 2825 { 2826 char *end = NULL; 2827 unsigned long lcore_id; 2828 2829 lcore_id = strtoul(stat_lcore, &end, 10); 2830 if ((stat_lcore[0] == '\0') || (end == NULL) || (*end != '\0')) 2831 return -1; 2832 2833 return lcore_id; 2834 } 2835 #endif 2836 2837 static void 2838 parse_eth_dest(const char *optarg) 2839 { 2840 uint16_t portid; 2841 char *port_end; 2842 uint8_t c, *dest, peer_addr[6]; 2843 2844 errno = 0; 2845 portid = strtoul(optarg, &port_end, 10); 2846 if (errno != 0 || port_end == optarg || *port_end++ != ',') 2847 rte_exit(EXIT_FAILURE, 2848 "Invalid eth-dest: %s", optarg); 2849 if (portid >= RTE_MAX_ETHPORTS) 2850 rte_exit(EXIT_FAILURE, 2851 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", 2852 portid, RTE_MAX_ETHPORTS); 2853 2854 if (cmdline_parse_etheraddr(NULL, port_end, 2855 &peer_addr, sizeof(peer_addr)) < 0) 2856 rte_exit(EXIT_FAILURE, 2857 "Invalid ethernet address: %s\n", 2858 port_end); 2859 dest = (uint8_t *)&dest_eth_addr[portid]; 2860 for (c = 0; c < 6; c++) 2861 dest[c] = peer_addr[c]; 2862 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 2863 } 2864 2865 #define CMD_LINE_OPT_RX_CONFIG "rx" 2866 #define CMD_LINE_OPT_TX_CONFIG "tx" 2867 #define CMD_LINE_OPT_STAT_LCORE "stat-lcore" 2868 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 2869 #define CMD_LINE_OPT_NO_NUMA "no-numa" 2870 #define CMD_LINE_OPT_IPV6 "ipv6" 2871 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" 2872 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" 2873 #define CMD_LINE_OPT_NO_LTHREADS "no-lthreads" 2874 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" 2875 2876 /* Parse the argument given in the command line of the application */ 2877 static int 2878 parse_args(int argc, char **argv) 2879 { 2880 int opt, ret; 2881 char **argvopt; 2882 int option_index; 2883 char *prgname = argv[0]; 2884 static struct option lgopts[] = { 2885 {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0}, 2886 {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0}, 2887 {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0}, 2888 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0}, 2889 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0}, 2890 {CMD_LINE_OPT_IPV6, 0, 0, 0}, 2891 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0}, 2892 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0}, 2893 {CMD_LINE_OPT_NO_LTHREADS, 0, 0, 0}, 2894 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0}, 2895 {NULL, 0, 0, 0} 2896 }; 2897 2898 argvopt = argv; 2899 2900 while ((opt = getopt_long(argc, argvopt, "p:P", 2901 lgopts, &option_index)) != EOF) { 2902 2903 switch (opt) { 2904 /* portmask */ 2905 case 'p': 2906 enabled_port_mask = parse_portmask(optarg); 2907 if (enabled_port_mask == 0) { 2908 printf("invalid portmask\n"); 2909 print_usage(prgname); 2910 return -1; 2911 } 2912 break; 2913 case 'P': 2914 printf("Promiscuous mode selected\n"); 2915 promiscuous_on = 1; 2916 break; 2917 2918 /* long options */ 2919 case 0: 2920 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_RX_CONFIG, 2921 sizeof(CMD_LINE_OPT_RX_CONFIG))) { 2922 ret = parse_rx_config(optarg); 2923 if (ret) { 2924 printf("invalid rx-config\n"); 2925 print_usage(prgname); 2926 return -1; 2927 } 2928 } 2929 2930 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG, 2931 sizeof(CMD_LINE_OPT_TX_CONFIG))) { 2932 ret = parse_tx_config(optarg); 2933 if (ret) { 2934 printf("invalid tx-config\n"); 2935 print_usage(prgname); 2936 return -1; 2937 } 2938 } 2939 2940 #if (APP_CPU_LOAD > 0) 2941 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE, 2942 sizeof(CMD_LINE_OPT_STAT_LCORE))) { 2943 cpu_load_lcore_id = parse_stat_lcore(optarg); 2944 } 2945 #endif 2946 2947 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST, 2948 sizeof(CMD_LINE_OPT_ETH_DEST))) 2949 parse_eth_dest(optarg); 2950 2951 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA, 2952 sizeof(CMD_LINE_OPT_NO_NUMA))) { 2953 printf("numa is disabled\n"); 2954 numa_on = 0; 2955 } 2956 2957 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2958 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6, 2959 sizeof(CMD_LINE_OPT_IPV6))) { 2960 printf("ipv6 is specified\n"); 2961 ipv6 = 1; 2962 } 2963 #endif 2964 2965 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS, 2966 sizeof(CMD_LINE_OPT_NO_LTHREADS))) { 2967 printf("l-threads model is disabled\n"); 2968 lthreads_on = 0; 2969 } 2970 2971 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_PARSE_PTYPE, 2972 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) { 2973 printf("software packet type parsing enabled\n"); 2974 parse_ptype_on = 1; 2975 } 2976 2977 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO, 2978 sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) { 2979 struct option lenopts = {"max-pkt-len", required_argument, 0, 2980 0}; 2981 2982 printf("jumbo frame is enabled - disabling simple TX path\n"); 2983 port_conf.rxmode.offloads |= 2984 DEV_RX_OFFLOAD_JUMBO_FRAME; 2985 port_conf.txmode.offloads |= 2986 DEV_TX_OFFLOAD_MULTI_SEGS; 2987 2988 /* if no max-pkt-len set, use the default value 2989 * RTE_ETHER_MAX_LEN 2990 */ 2991 if (0 == getopt_long(argc, argvopt, "", &lenopts, 2992 &option_index)) { 2993 2994 ret = parse_max_pkt_len(optarg); 2995 if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) { 2996 printf("invalid packet length\n"); 2997 print_usage(prgname); 2998 return -1; 2999 } 3000 port_conf.rxmode.max_rx_pkt_len = ret; 3001 } 3002 printf("set jumbo frame max packet length to %u\n", 3003 (unsigned int)port_conf.rxmode.max_rx_pkt_len); 3004 } 3005 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 3006 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM, 3007 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) { 3008 ret = parse_hash_entry_number(optarg); 3009 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { 3010 hash_entry_number = ret; 3011 } else { 3012 printf("invalid hash entry number\n"); 3013 print_usage(prgname); 3014 return -1; 3015 } 3016 } 3017 #endif 3018 break; 3019 3020 default: 3021 print_usage(prgname); 3022 return -1; 3023 } 3024 } 3025 3026 if (optind >= 0) 3027 argv[optind-1] = prgname; 3028 3029 ret = optind-1; 3030 optind = 1; /* reset getopt lib */ 3031 return ret; 3032 } 3033 3034 static void 3035 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr) 3036 { 3037 char buf[RTE_ETHER_ADDR_FMT_SIZE]; 3038 3039 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr); 3040 printf("%s%s", name, buf); 3041 } 3042 3043 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 3044 3045 static void convert_ipv4_5tuple(struct ipv4_5tuple *key1, 3046 union ipv4_5tuple_host *key2) 3047 { 3048 key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst); 3049 key2->ip_src = rte_cpu_to_be_32(key1->ip_src); 3050 key2->port_dst = rte_cpu_to_be_16(key1->port_dst); 3051 key2->port_src = rte_cpu_to_be_16(key1->port_src); 3052 key2->proto = key1->proto; 3053 key2->pad0 = 0; 3054 key2->pad1 = 0; 3055 } 3056 3057 static void convert_ipv6_5tuple(struct ipv6_5tuple *key1, 3058 union ipv6_5tuple_host *key2) 3059 { 3060 uint32_t i; 3061 3062 for (i = 0; i < 16; i++) { 3063 key2->ip_dst[i] = key1->ip_dst[i]; 3064 key2->ip_src[i] = key1->ip_src[i]; 3065 } 3066 key2->port_dst = rte_cpu_to_be_16(key1->port_dst); 3067 key2->port_src = rte_cpu_to_be_16(key1->port_src); 3068 key2->proto = key1->proto; 3069 key2->pad0 = 0; 3070 key2->pad1 = 0; 3071 key2->reserve = 0; 3072 } 3073 3074 #define BYTE_VALUE_MAX 256 3075 #define ALL_32_BITS 0xffffffff 3076 #define BIT_8_TO_15 0x0000ff00 3077 static inline void 3078 populate_ipv4_few_flow_into_table(const struct rte_hash *h) 3079 { 3080 uint32_t i; 3081 int32_t ret; 3082 uint32_t array_len = RTE_DIM(ipv4_l3fwd_route_array); 3083 3084 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15); 3085 for (i = 0; i < array_len; i++) { 3086 struct ipv4_l3fwd_route entry; 3087 union ipv4_5tuple_host newkey; 3088 3089 entry = ipv4_l3fwd_route_array[i]; 3090 convert_ipv4_5tuple(&entry.key, &newkey); 3091 ret = rte_hash_add_key(h, (void *)&newkey); 3092 if (ret < 0) { 3093 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32 3094 " to the l3fwd hash.\n", i); 3095 } 3096 ipv4_l3fwd_out_if[ret] = entry.if_out; 3097 } 3098 printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len); 3099 } 3100 3101 #define BIT_16_TO_23 0x00ff0000 3102 static inline void 3103 populate_ipv6_few_flow_into_table(const struct rte_hash *h) 3104 { 3105 uint32_t i; 3106 int32_t ret; 3107 uint32_t array_len = RTE_DIM(ipv6_l3fwd_route_array); 3108 3109 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23); 3110 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS); 3111 for (i = 0; i < array_len; i++) { 3112 struct ipv6_l3fwd_route entry; 3113 union ipv6_5tuple_host newkey; 3114 3115 entry = ipv6_l3fwd_route_array[i]; 3116 convert_ipv6_5tuple(&entry.key, &newkey); 3117 ret = rte_hash_add_key(h, (void *)&newkey); 3118 if (ret < 0) { 3119 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32 3120 " to the l3fwd hash.\n", i); 3121 } 3122 ipv6_l3fwd_out_if[ret] = entry.if_out; 3123 } 3124 printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len); 3125 } 3126 3127 #define NUMBER_PORT_USED 4 3128 static inline void 3129 populate_ipv4_many_flow_into_table(const struct rte_hash *h, 3130 unsigned int nr_flow) 3131 { 3132 unsigned i; 3133 3134 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15); 3135 3136 for (i = 0; i < nr_flow; i++) { 3137 struct ipv4_l3fwd_route entry; 3138 union ipv4_5tuple_host newkey; 3139 uint8_t a = (uint8_t)((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX); 3140 uint8_t b = (uint8_t)(((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) % 3141 BYTE_VALUE_MAX); 3142 uint8_t c = (uint8_t)((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX * 3143 BYTE_VALUE_MAX)); 3144 /* Create the ipv4 exact match flow */ 3145 memset(&entry, 0, sizeof(entry)); 3146 switch (i & (NUMBER_PORT_USED - 1)) { 3147 case 0: 3148 entry = ipv4_l3fwd_route_array[0]; 3149 entry.key.ip_dst = RTE_IPV4(101, c, b, a); 3150 break; 3151 case 1: 3152 entry = ipv4_l3fwd_route_array[1]; 3153 entry.key.ip_dst = RTE_IPV4(201, c, b, a); 3154 break; 3155 case 2: 3156 entry = ipv4_l3fwd_route_array[2]; 3157 entry.key.ip_dst = RTE_IPV4(111, c, b, a); 3158 break; 3159 case 3: 3160 entry = ipv4_l3fwd_route_array[3]; 3161 entry.key.ip_dst = RTE_IPV4(211, c, b, a); 3162 break; 3163 }; 3164 convert_ipv4_5tuple(&entry.key, &newkey); 3165 int32_t ret = rte_hash_add_key(h, (void *)&newkey); 3166 3167 if (ret < 0) 3168 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i); 3169 3170 ipv4_l3fwd_out_if[ret] = (uint8_t)entry.if_out; 3171 3172 } 3173 printf("Hash: Adding 0x%x keys\n", nr_flow); 3174 } 3175 3176 static inline void 3177 populate_ipv6_many_flow_into_table(const struct rte_hash *h, 3178 unsigned int nr_flow) 3179 { 3180 unsigned i; 3181 3182 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23); 3183 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS); 3184 for (i = 0; i < nr_flow; i++) { 3185 struct ipv6_l3fwd_route entry; 3186 union ipv6_5tuple_host newkey; 3187 3188 uint8_t a = (uint8_t) ((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX); 3189 uint8_t b = (uint8_t) (((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) % 3190 BYTE_VALUE_MAX); 3191 uint8_t c = (uint8_t) ((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX * 3192 BYTE_VALUE_MAX)); 3193 3194 /* Create the ipv6 exact match flow */ 3195 memset(&entry, 0, sizeof(entry)); 3196 switch (i & (NUMBER_PORT_USED - 1)) { 3197 case 0: 3198 entry = ipv6_l3fwd_route_array[0]; 3199 break; 3200 case 1: 3201 entry = ipv6_l3fwd_route_array[1]; 3202 break; 3203 case 2: 3204 entry = ipv6_l3fwd_route_array[2]; 3205 break; 3206 case 3: 3207 entry = ipv6_l3fwd_route_array[3]; 3208 break; 3209 }; 3210 entry.key.ip_dst[13] = c; 3211 entry.key.ip_dst[14] = b; 3212 entry.key.ip_dst[15] = a; 3213 convert_ipv6_5tuple(&entry.key, &newkey); 3214 int32_t ret = rte_hash_add_key(h, (void *)&newkey); 3215 3216 if (ret < 0) 3217 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i); 3218 3219 ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out; 3220 3221 } 3222 printf("Hash: Adding 0x%x keys\n", nr_flow); 3223 } 3224 3225 static void 3226 setup_hash(int socketid) 3227 { 3228 struct rte_hash_parameters ipv4_l3fwd_hash_params = { 3229 .name = NULL, 3230 .entries = L3FWD_HASH_ENTRIES, 3231 .key_len = sizeof(union ipv4_5tuple_host), 3232 .hash_func = ipv4_hash_crc, 3233 .hash_func_init_val = 0, 3234 }; 3235 3236 struct rte_hash_parameters ipv6_l3fwd_hash_params = { 3237 .name = NULL, 3238 .entries = L3FWD_HASH_ENTRIES, 3239 .key_len = sizeof(union ipv6_5tuple_host), 3240 .hash_func = ipv6_hash_crc, 3241 .hash_func_init_val = 0, 3242 }; 3243 3244 char s[64]; 3245 3246 /* create ipv4 hash */ 3247 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid); 3248 ipv4_l3fwd_hash_params.name = s; 3249 ipv4_l3fwd_hash_params.socket_id = socketid; 3250 ipv4_l3fwd_lookup_struct[socketid] = 3251 rte_hash_create(&ipv4_l3fwd_hash_params); 3252 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 3253 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 3254 "socket %d\n", socketid); 3255 3256 /* create ipv6 hash */ 3257 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid); 3258 ipv6_l3fwd_hash_params.name = s; 3259 ipv6_l3fwd_hash_params.socket_id = socketid; 3260 ipv6_l3fwd_lookup_struct[socketid] = 3261 rte_hash_create(&ipv6_l3fwd_hash_params); 3262 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 3263 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 3264 "socket %d\n", socketid); 3265 3266 if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) { 3267 /* For testing hash matching with a large number of flows we 3268 * generate millions of IP 5-tuples with an incremented dst 3269 * address to initialize the hash table. */ 3270 if (ipv6 == 0) { 3271 /* populate the ipv4 hash */ 3272 populate_ipv4_many_flow_into_table( 3273 ipv4_l3fwd_lookup_struct[socketid], hash_entry_number); 3274 } else { 3275 /* populate the ipv6 hash */ 3276 populate_ipv6_many_flow_into_table( 3277 ipv6_l3fwd_lookup_struct[socketid], hash_entry_number); 3278 } 3279 } else { 3280 /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize 3281 * the hash table */ 3282 if (ipv6 == 0) { 3283 /* populate the ipv4 hash */ 3284 populate_ipv4_few_flow_into_table( 3285 ipv4_l3fwd_lookup_struct[socketid]); 3286 } else { 3287 /* populate the ipv6 hash */ 3288 populate_ipv6_few_flow_into_table( 3289 ipv6_l3fwd_lookup_struct[socketid]); 3290 } 3291 } 3292 } 3293 #endif 3294 3295 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 3296 static void 3297 setup_lpm(int socketid) 3298 { 3299 struct rte_lpm6_config config; 3300 struct rte_lpm_config lpm_ipv4_config; 3301 unsigned i; 3302 int ret; 3303 char s[64]; 3304 3305 /* create the LPM table */ 3306 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid); 3307 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES; 3308 lpm_ipv4_config.number_tbl8s = 256; 3309 lpm_ipv4_config.flags = 0; 3310 ipv4_l3fwd_lookup_struct[socketid] = 3311 rte_lpm_create(s, socketid, &lpm_ipv4_config); 3312 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 3313 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 3314 " on socket %d\n", socketid); 3315 3316 /* populate the LPM table */ 3317 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 3318 3319 /* skip unused ports */ 3320 if ((1 << ipv4_l3fwd_route_array[i].if_out & 3321 enabled_port_mask) == 0) 3322 continue; 3323 3324 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid], 3325 ipv4_l3fwd_route_array[i].ip, 3326 ipv4_l3fwd_route_array[i].depth, 3327 ipv4_l3fwd_route_array[i].if_out); 3328 3329 if (ret < 0) { 3330 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 3331 "l3fwd LPM table on socket %d\n", 3332 i, socketid); 3333 } 3334 3335 printf("LPM: Adding route 0x%08x / %d (%d)\n", 3336 (unsigned)ipv4_l3fwd_route_array[i].ip, 3337 ipv4_l3fwd_route_array[i].depth, 3338 ipv4_l3fwd_route_array[i].if_out); 3339 } 3340 3341 /* create the LPM6 table */ 3342 snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid); 3343 3344 config.max_rules = IPV6_L3FWD_LPM_MAX_RULES; 3345 config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S; 3346 config.flags = 0; 3347 ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid, 3348 &config); 3349 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 3350 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 3351 " on socket %d\n", socketid); 3352 3353 /* populate the LPM table */ 3354 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) { 3355 3356 /* skip unused ports */ 3357 if ((1 << ipv6_l3fwd_route_array[i].if_out & 3358 enabled_port_mask) == 0) 3359 continue; 3360 3361 ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid], 3362 ipv6_l3fwd_route_array[i].ip, 3363 ipv6_l3fwd_route_array[i].depth, 3364 ipv6_l3fwd_route_array[i].if_out); 3365 3366 if (ret < 0) { 3367 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 3368 "l3fwd LPM table on socket %d\n", 3369 i, socketid); 3370 } 3371 3372 printf("LPM: Adding route %s / %d (%d)\n", 3373 "IPV6", 3374 ipv6_l3fwd_route_array[i].depth, 3375 ipv6_l3fwd_route_array[i].if_out); 3376 } 3377 } 3378 #endif 3379 3380 static int 3381 init_mem(unsigned nb_mbuf) 3382 { 3383 struct lcore_conf *qconf; 3384 int socketid; 3385 unsigned lcore_id; 3386 char s[64]; 3387 3388 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 3389 if (rte_lcore_is_enabled(lcore_id) == 0) 3390 continue; 3391 3392 if (numa_on) 3393 socketid = rte_lcore_to_socket_id(lcore_id); 3394 else 3395 socketid = 0; 3396 3397 if (socketid >= NB_SOCKETS) { 3398 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n", 3399 socketid, lcore_id, NB_SOCKETS); 3400 } 3401 if (pktmbuf_pool[socketid] == NULL) { 3402 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 3403 pktmbuf_pool[socketid] = 3404 rte_pktmbuf_pool_create(s, nb_mbuf, 3405 MEMPOOL_CACHE_SIZE, 0, 3406 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 3407 if (pktmbuf_pool[socketid] == NULL) 3408 rte_exit(EXIT_FAILURE, 3409 "Cannot init mbuf pool on socket %d\n", socketid); 3410 else 3411 printf("Allocated mbuf pool on socket %d\n", socketid); 3412 3413 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 3414 setup_lpm(socketid); 3415 #else 3416 setup_hash(socketid); 3417 #endif 3418 } 3419 qconf = &lcore_conf[lcore_id]; 3420 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid]; 3421 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid]; 3422 } 3423 return 0; 3424 } 3425 3426 /* Check the link status of all ports in up to 9s, and print them finally */ 3427 static void 3428 check_all_ports_link_status(uint32_t port_mask) 3429 { 3430 #define CHECK_INTERVAL 100 /* 100ms */ 3431 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 3432 uint16_t portid; 3433 uint8_t count, all_ports_up, print_flag = 0; 3434 struct rte_eth_link link; 3435 int ret; 3436 3437 printf("\nChecking link status"); 3438 fflush(stdout); 3439 for (count = 0; count <= MAX_CHECK_TIME; count++) { 3440 all_ports_up = 1; 3441 RTE_ETH_FOREACH_DEV(portid) { 3442 if ((port_mask & (1 << portid)) == 0) 3443 continue; 3444 memset(&link, 0, sizeof(link)); 3445 ret = rte_eth_link_get_nowait(portid, &link); 3446 if (ret < 0) { 3447 all_ports_up = 0; 3448 if (print_flag == 1) 3449 printf("Port %u link get failed: %s\n", 3450 portid, rte_strerror(-ret)); 3451 continue; 3452 } 3453 /* print link status if flag set */ 3454 if (print_flag == 1) { 3455 if (link.link_status) 3456 printf( 3457 "Port%d Link Up. Speed %u Mbps - %s\n", 3458 portid, link.link_speed, 3459 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 3460 ("full-duplex") : ("half-duplex\n")); 3461 else 3462 printf("Port %d Link Down\n", portid); 3463 continue; 3464 } 3465 /* clear all_ports_up flag if any link down */ 3466 if (link.link_status == ETH_LINK_DOWN) { 3467 all_ports_up = 0; 3468 break; 3469 } 3470 } 3471 /* after finally printing all link status, get out */ 3472 if (print_flag == 1) 3473 break; 3474 3475 if (all_ports_up == 0) { 3476 printf("."); 3477 fflush(stdout); 3478 rte_delay_ms(CHECK_INTERVAL); 3479 } 3480 3481 /* set the print_flag if all ports up or timeout */ 3482 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 3483 print_flag = 1; 3484 printf("done\n"); 3485 } 3486 } 3487 } 3488 3489 int 3490 main(int argc, char **argv) 3491 { 3492 struct rte_eth_dev_info dev_info; 3493 struct rte_eth_txconf *txconf; 3494 int ret; 3495 int i; 3496 unsigned nb_ports; 3497 uint16_t queueid, portid; 3498 unsigned lcore_id; 3499 uint32_t n_tx_queue, nb_lcores; 3500 uint8_t nb_rx_queue, queue, socketid; 3501 3502 /* init EAL */ 3503 ret = rte_eal_init(argc, argv); 3504 if (ret < 0) 3505 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 3506 argc -= ret; 3507 argv += ret; 3508 3509 ret = rte_timer_subsystem_init(); 3510 if (ret < 0) 3511 rte_exit(EXIT_FAILURE, "Failed to initialize timer subystem\n"); 3512 3513 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 3514 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 3515 dest_eth_addr[portid] = RTE_ETHER_LOCAL_ADMIN_ADDR + 3516 ((uint64_t)portid << 40); 3517 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 3518 } 3519 3520 /* parse application arguments (after the EAL ones) */ 3521 ret = parse_args(argc, argv); 3522 if (ret < 0) 3523 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 3524 3525 if (check_lcore_params() < 0) 3526 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 3527 3528 printf("Initializing rx-queues...\n"); 3529 ret = init_rx_queues(); 3530 if (ret < 0) 3531 rte_exit(EXIT_FAILURE, "init_rx_queues failed\n"); 3532 3533 printf("Initializing tx-threads...\n"); 3534 ret = init_tx_threads(); 3535 if (ret < 0) 3536 rte_exit(EXIT_FAILURE, "init_tx_threads failed\n"); 3537 3538 printf("Initializing rings...\n"); 3539 ret = init_rx_rings(); 3540 if (ret < 0) 3541 rte_exit(EXIT_FAILURE, "init_rx_rings failed\n"); 3542 3543 nb_ports = rte_eth_dev_count_avail(); 3544 3545 if (check_port_config() < 0) 3546 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 3547 3548 nb_lcores = rte_lcore_count(); 3549 3550 /* initialize all ports */ 3551 RTE_ETH_FOREACH_DEV(portid) { 3552 struct rte_eth_conf local_port_conf = port_conf; 3553 3554 /* skip ports that are not enabled */ 3555 if ((enabled_port_mask & (1 << portid)) == 0) { 3556 printf("\nSkipping disabled port %d\n", portid); 3557 continue; 3558 } 3559 3560 /* init port */ 3561 printf("Initializing port %d ... ", portid); 3562 fflush(stdout); 3563 3564 nb_rx_queue = get_port_n_rx_queues(portid); 3565 n_tx_queue = nb_lcores; 3566 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 3567 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 3568 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 3569 nb_rx_queue, (unsigned)n_tx_queue); 3570 3571 ret = rte_eth_dev_info_get(portid, &dev_info); 3572 if (ret != 0) 3573 rte_exit(EXIT_FAILURE, 3574 "Error during getting device (port %u) info: %s\n", 3575 portid, strerror(-ret)); 3576 3577 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 3578 local_port_conf.txmode.offloads |= 3579 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 3580 3581 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 3582 dev_info.flow_type_rss_offloads; 3583 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 3584 port_conf.rx_adv_conf.rss_conf.rss_hf) { 3585 printf("Port %u modified RSS hash function based on hardware support," 3586 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 3587 portid, 3588 port_conf.rx_adv_conf.rss_conf.rss_hf, 3589 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 3590 } 3591 3592 ret = rte_eth_dev_configure(portid, nb_rx_queue, 3593 (uint16_t)n_tx_queue, &local_port_conf); 3594 if (ret < 0) 3595 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n", 3596 ret, portid); 3597 3598 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, 3599 &nb_txd); 3600 if (ret < 0) 3601 rte_exit(EXIT_FAILURE, 3602 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%d\n", 3603 ret, portid); 3604 3605 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 3606 if (ret < 0) 3607 rte_exit(EXIT_FAILURE, 3608 "rte_eth_macaddr_get: err=%d, port=%d\n", 3609 ret, portid); 3610 3611 print_ethaddr(" Address:", &ports_eth_addr[portid]); 3612 printf(", "); 3613 print_ethaddr("Destination:", 3614 (const struct rte_ether_addr *)&dest_eth_addr[portid]); 3615 printf(", "); 3616 3617 /* 3618 * prepare src MACs for each port. 3619 */ 3620 rte_ether_addr_copy(&ports_eth_addr[portid], 3621 (struct rte_ether_addr *)(val_eth + portid) + 1); 3622 3623 /* init memory */ 3624 ret = init_mem(NB_MBUF); 3625 if (ret < 0) 3626 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 3627 3628 /* init one TX queue per couple (lcore,port) */ 3629 queueid = 0; 3630 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 3631 if (rte_lcore_is_enabled(lcore_id) == 0) 3632 continue; 3633 3634 if (numa_on) 3635 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id); 3636 else 3637 socketid = 0; 3638 3639 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 3640 fflush(stdout); 3641 3642 txconf = &dev_info.default_txconf; 3643 txconf->offloads = local_port_conf.txmode.offloads; 3644 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 3645 socketid, txconf); 3646 if (ret < 0) 3647 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, " 3648 "port=%d\n", ret, portid); 3649 3650 tx_thread[lcore_id].tx_queue_id[portid] = queueid; 3651 queueid++; 3652 } 3653 printf("\n"); 3654 } 3655 3656 for (i = 0; i < n_rx_thread; i++) { 3657 lcore_id = rx_thread[i].conf.lcore_id; 3658 3659 if (rte_lcore_is_enabled(lcore_id) == 0) { 3660 rte_exit(EXIT_FAILURE, 3661 "Cannot start Rx thread on lcore %u: lcore disabled\n", 3662 lcore_id 3663 ); 3664 } 3665 3666 printf("\nInitializing rx queues for Rx thread %d on lcore %u ... ", 3667 i, lcore_id); 3668 fflush(stdout); 3669 3670 /* init RX queues */ 3671 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) { 3672 struct rte_eth_rxconf rxq_conf; 3673 3674 portid = rx_thread[i].rx_queue_list[queue].port_id; 3675 queueid = rx_thread[i].rx_queue_list[queue].queue_id; 3676 3677 if (numa_on) 3678 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id); 3679 else 3680 socketid = 0; 3681 3682 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 3683 fflush(stdout); 3684 3685 ret = rte_eth_dev_info_get(portid, &dev_info); 3686 if (ret != 0) 3687 rte_exit(EXIT_FAILURE, 3688 "Error during getting device (port %u) info: %s\n", 3689 portid, strerror(-ret)); 3690 3691 rxq_conf = dev_info.default_rxconf; 3692 rxq_conf.offloads = port_conf.rxmode.offloads; 3693 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 3694 socketid, 3695 &rxq_conf, 3696 pktmbuf_pool[socketid]); 3697 if (ret < 0) 3698 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, " 3699 "port=%d\n", ret, portid); 3700 } 3701 } 3702 3703 printf("\n"); 3704 3705 /* start ports */ 3706 RTE_ETH_FOREACH_DEV(portid) { 3707 if ((enabled_port_mask & (1 << portid)) == 0) 3708 continue; 3709 3710 /* Start device */ 3711 ret = rte_eth_dev_start(portid); 3712 if (ret < 0) 3713 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n", 3714 ret, portid); 3715 3716 /* 3717 * If enabled, put device in promiscuous mode. 3718 * This allows IO forwarding mode to forward packets 3719 * to itself through 2 cross-connected ports of the 3720 * target machine. 3721 */ 3722 if (promiscuous_on) { 3723 ret = rte_eth_promiscuous_enable(portid); 3724 if (ret != 0) 3725 rte_exit(EXIT_FAILURE, 3726 "rte_eth_promiscuous_enable: err=%s, port=%u\n", 3727 rte_strerror(-ret), portid); 3728 } 3729 } 3730 3731 for (i = 0; i < n_rx_thread; i++) { 3732 lcore_id = rx_thread[i].conf.lcore_id; 3733 if (rte_lcore_is_enabled(lcore_id) == 0) 3734 continue; 3735 3736 /* check if hw packet type is supported */ 3737 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) { 3738 portid = rx_thread[i].rx_queue_list[queue].port_id; 3739 queueid = rx_thread[i].rx_queue_list[queue].queue_id; 3740 3741 if (parse_ptype_on) { 3742 if (!rte_eth_add_rx_callback(portid, queueid, 3743 cb_parse_ptype, NULL)) 3744 rte_exit(EXIT_FAILURE, 3745 "Failed to add rx callback: " 3746 "port=%d\n", portid); 3747 } else if (!check_ptype(portid)) 3748 rte_exit(EXIT_FAILURE, 3749 "Port %d cannot parse packet type.\n\n" 3750 "Please add --parse-ptype to use sw " 3751 "packet type analyzer.\n\n", 3752 portid); 3753 } 3754 } 3755 3756 check_all_ports_link_status(enabled_port_mask); 3757 3758 if (lthreads_on) { 3759 printf("Starting L-Threading Model\n"); 3760 3761 #if (APP_CPU_LOAD > 0) 3762 if (cpu_load_lcore_id > 0) 3763 /* Use one lcore for cpu load collector */ 3764 nb_lcores--; 3765 #endif 3766 3767 lthread_num_schedulers_set(nb_lcores); 3768 rte_eal_mp_remote_launch(sched_spawner, NULL, SKIP_MASTER); 3769 lthread_master_spawner(NULL); 3770 3771 } else { 3772 printf("Starting P-Threading Model\n"); 3773 /* launch per-lcore init on every lcore */ 3774 rte_eal_mp_remote_launch(pthread_run, NULL, CALL_MASTER); 3775 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 3776 if (rte_eal_wait_lcore(lcore_id) < 0) 3777 return -1; 3778 } 3779 } 3780 3781 return 0; 3782 } 3783