1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define _GNU_SOURCE 35 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <stdint.h> 39 #include <inttypes.h> 40 #include <sys/types.h> 41 #include <string.h> 42 #include <sys/queue.h> 43 #include <stdarg.h> 44 #include <errno.h> 45 #include <getopt.h> 46 47 #include <rte_common.h> 48 #include <rte_vect.h> 49 #include <rte_byteorder.h> 50 #include <rte_log.h> 51 #include <rte_memory.h> 52 #include <rte_memcpy.h> 53 #include <rte_memzone.h> 54 #include <rte_eal.h> 55 #include <rte_per_lcore.h> 56 #include <rte_launch.h> 57 #include <rte_atomic.h> 58 #include <rte_cycles.h> 59 #include <rte_prefetch.h> 60 #include <rte_lcore.h> 61 #include <rte_per_lcore.h> 62 #include <rte_branch_prediction.h> 63 #include <rte_interrupts.h> 64 #include <rte_pci.h> 65 #include <rte_random.h> 66 #include <rte_debug.h> 67 #include <rte_ether.h> 68 #include <rte_ethdev.h> 69 #include <rte_ring.h> 70 #include <rte_mempool.h> 71 #include <rte_mbuf.h> 72 #include <rte_ip.h> 73 #include <rte_tcp.h> 74 #include <rte_udp.h> 75 #include <rte_string_fns.h> 76 77 #include <cmdline_parse.h> 78 #include <cmdline_parse_etheraddr.h> 79 80 #include <lthread_api.h> 81 82 #define APP_LOOKUP_EXACT_MATCH 0 83 #define APP_LOOKUP_LPM 1 84 #define DO_RFC_1812_CHECKS 85 86 /* Enable cpu-load stats 0-off, 1-on */ 87 #define APP_CPU_LOAD 1 88 89 #ifndef APP_LOOKUP_METHOD 90 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM 91 #endif 92 93 /* 94 * When set to zero, simple forwaring path is eanbled. 95 * When set to one, optimized forwarding path is enabled. 96 * Note that LPM optimisation path uses SSE4.1 instructions. 97 */ 98 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && !defined(__SSE4_1__)) 99 #define ENABLE_MULTI_BUFFER_OPTIMIZE 0 100 #else 101 #define ENABLE_MULTI_BUFFER_OPTIMIZE 1 102 #endif 103 104 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 105 #include <rte_hash.h> 106 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 107 #include <rte_lpm.h> 108 #include <rte_lpm6.h> 109 #else 110 #error "APP_LOOKUP_METHOD set to incorrect value" 111 #endif 112 113 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1 114 115 #define MAX_JUMBO_PKT_LEN 9600 116 117 #define IPV6_ADDR_LEN 16 118 119 #define MEMPOOL_CACHE_SIZE 256 120 121 /* 122 * This expression is used to calculate the number of mbufs needed depending on 123 * user input, taking into account memory for rx and tx hardware rings, cache 124 * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that 125 * NB_MBUF never goes below a minimum value of 8192 126 */ 127 128 #define NB_MBUF RTE_MAX(\ 129 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \ 130 nb_ports*nb_lcores*MAX_PKT_BURST + \ 131 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \ 132 nb_lcores*MEMPOOL_CACHE_SIZE), \ 133 (unsigned)8192) 134 135 #define MAX_PKT_BURST 32 136 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 137 138 /* 139 * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send. 140 */ 141 #define MAX_TX_BURST (MAX_PKT_BURST / 2) 142 #define BURST_SIZE MAX_TX_BURST 143 144 #define NB_SOCKETS 8 145 146 /* Configure how many packets ahead to prefetch, when reading packets */ 147 #define PREFETCH_OFFSET 3 148 149 /* Used to mark destination port as 'invalid'. */ 150 #define BAD_PORT ((uint16_t)-1) 151 152 #define FWDSTEP 4 153 154 /* 155 * Configurable number of RX/TX ring descriptors 156 */ 157 #define RTE_TEST_RX_DESC_DEFAULT 128 158 #define RTE_TEST_TX_DESC_DEFAULT 128 159 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; 160 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; 161 162 /* ethernet addresses of ports */ 163 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS]; 164 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; 165 166 static __m128i val_eth[RTE_MAX_ETHPORTS]; 167 168 /* replace first 12B of the ethernet header. */ 169 #define MASK_ETH 0x3f 170 171 /* mask of enabled ports */ 172 static uint32_t enabled_port_mask; 173 static int promiscuous_on; /**< $et in promiscuous mode off by default. */ 174 static int numa_on = 1; /**< NUMA is enabled by default. */ 175 176 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 177 static int ipv6; /**< ipv6 is false by default. */ 178 #endif 179 180 #if (APP_CPU_LOAD == 1) 181 182 #define MAX_CPU RTE_MAX_LCORE 183 #define CPU_LOAD_TIMEOUT_US (5 * 1000 * 1000) /**< Timeout for collecting 5s */ 184 185 #define CPU_PROCESS 0 186 #define CPU_POLL 1 187 #define MAX_CPU_COUNTER 2 188 189 struct cpu_load { 190 uint16_t n_cpu; 191 uint64_t counter; 192 uint64_t hits[MAX_CPU_COUNTER][MAX_CPU]; 193 } __rte_cache_aligned; 194 195 static struct cpu_load cpu_load; 196 static int cpu_load_lcore_id = -1; 197 198 #define SET_CPU_BUSY(thread, counter) \ 199 thread->conf.busy[counter] = 1 200 201 #define SET_CPU_IDLE(thread, counter) \ 202 thread->conf.busy[counter] = 0 203 204 #define IS_CPU_BUSY(thread, counter) \ 205 (thread->conf.busy[counter] > 0) 206 207 #else 208 209 #define SET_CPU_BUSY(thread, counter) 210 #define SET_CPU_IDLE(thread, counter) 211 #define IS_CPU_BUSY(thread, counter) 0 212 213 #endif 214 215 struct mbuf_table { 216 uint16_t len; 217 struct rte_mbuf *m_table[MAX_PKT_BURST]; 218 }; 219 220 struct lcore_rx_queue { 221 uint8_t port_id; 222 uint8_t queue_id; 223 } __rte_cache_aligned; 224 225 #define MAX_RX_QUEUE_PER_LCORE 16 226 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 227 #define MAX_RX_QUEUE_PER_PORT 128 228 229 #define MAX_LCORE_PARAMS 1024 230 struct rx_thread_params { 231 uint8_t port_id; 232 uint8_t queue_id; 233 uint8_t lcore_id; 234 uint8_t thread_id; 235 } __rte_cache_aligned; 236 237 static struct rx_thread_params rx_thread_params_array[MAX_LCORE_PARAMS]; 238 static struct rx_thread_params rx_thread_params_array_default[] = { 239 {0, 0, 2, 0}, 240 {0, 1, 2, 1}, 241 {0, 2, 2, 2}, 242 {1, 0, 2, 3}, 243 {1, 1, 2, 4}, 244 {1, 2, 2, 5}, 245 {2, 0, 2, 6}, 246 {3, 0, 3, 7}, 247 {3, 1, 3, 8}, 248 }; 249 250 static struct rx_thread_params *rx_thread_params = 251 rx_thread_params_array_default; 252 static uint16_t nb_rx_thread_params = RTE_DIM(rx_thread_params_array_default); 253 254 struct tx_thread_params { 255 uint8_t lcore_id; 256 uint8_t thread_id; 257 } __rte_cache_aligned; 258 259 static struct tx_thread_params tx_thread_params_array[MAX_LCORE_PARAMS]; 260 static struct tx_thread_params tx_thread_params_array_default[] = { 261 {4, 0}, 262 {5, 1}, 263 {6, 2}, 264 {7, 3}, 265 {8, 4}, 266 {9, 5}, 267 {10, 6}, 268 {11, 7}, 269 {12, 8}, 270 }; 271 272 static struct tx_thread_params *tx_thread_params = 273 tx_thread_params_array_default; 274 static uint16_t nb_tx_thread_params = RTE_DIM(tx_thread_params_array_default); 275 276 static struct rte_eth_conf port_conf = { 277 .rxmode = { 278 .mq_mode = ETH_MQ_RX_RSS, 279 .max_rx_pkt_len = ETHER_MAX_LEN, 280 .split_hdr_size = 0, 281 .header_split = 0, /**< Header Split disabled */ 282 .hw_ip_checksum = 1, /**< IP checksum offload enabled */ 283 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 284 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 285 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 286 }, 287 .rx_adv_conf = { 288 .rss_conf = { 289 .rss_key = NULL, 290 .rss_hf = ETH_RSS_TCP, 291 }, 292 }, 293 .txmode = { 294 .mq_mode = ETH_MQ_TX_NONE, 295 }, 296 }; 297 298 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS]; 299 300 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 301 302 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2 303 #include <rte_hash_crc.h> 304 #define DEFAULT_HASH_FUNC rte_hash_crc 305 #else 306 #include <rte_jhash.h> 307 #define DEFAULT_HASH_FUNC rte_jhash 308 #endif 309 310 struct ipv4_5tuple { 311 uint32_t ip_dst; 312 uint32_t ip_src; 313 uint16_t port_dst; 314 uint16_t port_src; 315 uint8_t proto; 316 } __attribute__((__packed__)); 317 318 union ipv4_5tuple_host { 319 struct { 320 uint8_t pad0; 321 uint8_t proto; 322 uint16_t pad1; 323 uint32_t ip_src; 324 uint32_t ip_dst; 325 uint16_t port_src; 326 uint16_t port_dst; 327 }; 328 __m128i xmm; 329 }; 330 331 #define XMM_NUM_IN_IPV6_5TUPLE 3 332 333 struct ipv6_5tuple { 334 uint8_t ip_dst[IPV6_ADDR_LEN]; 335 uint8_t ip_src[IPV6_ADDR_LEN]; 336 uint16_t port_dst; 337 uint16_t port_src; 338 uint8_t proto; 339 } __attribute__((__packed__)); 340 341 union ipv6_5tuple_host { 342 struct { 343 uint16_t pad0; 344 uint8_t proto; 345 uint8_t pad1; 346 uint8_t ip_src[IPV6_ADDR_LEN]; 347 uint8_t ip_dst[IPV6_ADDR_LEN]; 348 uint16_t port_src; 349 uint16_t port_dst; 350 uint64_t reserve; 351 }; 352 __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE]; 353 }; 354 355 struct ipv4_l3fwd_route { 356 struct ipv4_5tuple key; 357 uint8_t if_out; 358 }; 359 360 struct ipv6_l3fwd_route { 361 struct ipv6_5tuple key; 362 uint8_t if_out; 363 }; 364 365 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 366 {{IPv4(101, 0, 0, 0), IPv4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0}, 367 {{IPv4(201, 0, 0, 0), IPv4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1}, 368 {{IPv4(111, 0, 0, 0), IPv4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2}, 369 {{IPv4(211, 0, 0, 0), IPv4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3}, 370 }; 371 372 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 373 {{ 374 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 375 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 376 0x05}, 377 101, 11, IPPROTO_TCP}, 0}, 378 379 {{ 380 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 381 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 382 0x05}, 383 102, 12, IPPROTO_TCP}, 1}, 384 385 {{ 386 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 387 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 388 0x05}, 389 101, 11, IPPROTO_TCP}, 2}, 390 391 {{ 392 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0}, 393 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 394 0x05}, 395 102, 12, IPPROTO_TCP}, 3}, 396 }; 397 398 typedef struct rte_hash lookup_struct_t; 399 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 400 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 401 402 #ifdef RTE_ARCH_X86_64 403 /* default to 4 million hash entries (approx) */ 404 #define L3FWD_HASH_ENTRIES (1024*1024*4) 405 #else 406 /* 32-bit has less address-space for hugepage memory, limit to 1M entries */ 407 #define L3FWD_HASH_ENTRIES (1024*1024*1) 408 #endif 409 #define HASH_ENTRY_NUMBER_DEFAULT 4 410 411 static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT; 412 413 static inline uint32_t 414 ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len, 415 uint32_t init_val) 416 { 417 const union ipv4_5tuple_host *k; 418 uint32_t t; 419 const uint32_t *p; 420 421 k = data; 422 t = k->proto; 423 p = (const uint32_t *)&k->port_src; 424 425 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2 426 init_val = rte_hash_crc_4byte(t, init_val); 427 init_val = rte_hash_crc_4byte(k->ip_src, init_val); 428 init_val = rte_hash_crc_4byte(k->ip_dst, init_val); 429 init_val = rte_hash_crc_4byte(*p, init_val); 430 #else /* RTE_MACHINE_CPUFLAG_SSE4_2 */ 431 init_val = rte_jhash_1word(t, init_val); 432 init_val = rte_jhash_1word(k->ip_src, init_val); 433 init_val = rte_jhash_1word(k->ip_dst, init_val); 434 init_val = rte_jhash_1word(*p, init_val); 435 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */ 436 return init_val; 437 } 438 439 static inline uint32_t 440 ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len, 441 uint32_t init_val) 442 { 443 const union ipv6_5tuple_host *k; 444 uint32_t t; 445 const uint32_t *p; 446 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2 447 const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3; 448 const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3; 449 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */ 450 451 k = data; 452 t = k->proto; 453 p = (const uint32_t *)&k->port_src; 454 455 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2 456 ip_src0 = (const uint32_t *) k->ip_src; 457 ip_src1 = (const uint32_t *)(k->ip_src + 4); 458 ip_src2 = (const uint32_t *)(k->ip_src + 8); 459 ip_src3 = (const uint32_t *)(k->ip_src + 12); 460 ip_dst0 = (const uint32_t *) k->ip_dst; 461 ip_dst1 = (const uint32_t *)(k->ip_dst + 4); 462 ip_dst2 = (const uint32_t *)(k->ip_dst + 8); 463 ip_dst3 = (const uint32_t *)(k->ip_dst + 12); 464 init_val = rte_hash_crc_4byte(t, init_val); 465 init_val = rte_hash_crc_4byte(*ip_src0, init_val); 466 init_val = rte_hash_crc_4byte(*ip_src1, init_val); 467 init_val = rte_hash_crc_4byte(*ip_src2, init_val); 468 init_val = rte_hash_crc_4byte(*ip_src3, init_val); 469 init_val = rte_hash_crc_4byte(*ip_dst0, init_val); 470 init_val = rte_hash_crc_4byte(*ip_dst1, init_val); 471 init_val = rte_hash_crc_4byte(*ip_dst2, init_val); 472 init_val = rte_hash_crc_4byte(*ip_dst3, init_val); 473 init_val = rte_hash_crc_4byte(*p, init_val); 474 #else /* RTE_MACHINE_CPUFLAG_SSE4_2 */ 475 init_val = rte_jhash_1word(t, init_val); 476 init_val = rte_jhash(k->ip_src, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val); 477 init_val = rte_jhash(k->ip_dst, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val); 478 init_val = rte_jhash_1word(*p, init_val); 479 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */ 480 return init_val; 481 } 482 483 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array) 484 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array) 485 486 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 487 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned; 488 489 #endif 490 491 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 492 struct ipv4_l3fwd_route { 493 uint32_t ip; 494 uint8_t depth; 495 uint8_t if_out; 496 }; 497 498 struct ipv6_l3fwd_route { 499 uint8_t ip[16]; 500 uint8_t depth; 501 uint8_t if_out; 502 }; 503 504 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = { 505 {IPv4(1, 1, 1, 0), 24, 0}, 506 {IPv4(2, 1, 1, 0), 24, 1}, 507 {IPv4(3, 1, 1, 0), 24, 2}, 508 {IPv4(4, 1, 1, 0), 24, 3}, 509 {IPv4(5, 1, 1, 0), 24, 4}, 510 {IPv4(6, 1, 1, 0), 24, 5}, 511 {IPv4(7, 1, 1, 0), 24, 6}, 512 {IPv4(8, 1, 1, 0), 24, 7}, 513 }; 514 515 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = { 516 {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0}, 517 {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1}, 518 {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2}, 519 {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3}, 520 {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4}, 521 {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5}, 522 {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6}, 523 {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7}, 524 }; 525 526 #define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array) 527 #define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array) 528 529 #define IPV4_L3FWD_LPM_MAX_RULES 1024 530 #define IPV6_L3FWD_LPM_MAX_RULES 1024 531 #define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16) 532 533 typedef struct rte_lpm lookup_struct_t; 534 typedef struct rte_lpm6 lookup6_struct_t; 535 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS]; 536 static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS]; 537 #endif 538 539 struct lcore_conf { 540 lookup_struct_t *ipv4_lookup_struct; 541 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 542 lookup6_struct_t *ipv6_lookup_struct; 543 #else 544 lookup_struct_t *ipv6_lookup_struct; 545 #endif 546 void *data; 547 } __rte_cache_aligned; 548 549 static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; 550 RTE_DEFINE_PER_LCORE(struct lcore_conf *, lcore_conf); 551 552 #define MAX_RX_QUEUE_PER_THREAD 16 553 #define MAX_TX_PORT_PER_THREAD RTE_MAX_ETHPORTS 554 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS 555 #define MAX_RX_QUEUE_PER_PORT 128 556 557 #define MAX_RX_THREAD 1024 558 #define MAX_TX_THREAD 1024 559 #define MAX_THREAD (MAX_RX_THREAD + MAX_TX_THREAD) 560 561 /** 562 * Producers and consumers threads configuration 563 */ 564 static int lthreads_on = 1; /**< Use lthreads for processing*/ 565 566 rte_atomic16_t rx_counter; /**< Number of spawned rx threads */ 567 rte_atomic16_t tx_counter; /**< Number of spawned tx threads */ 568 569 struct thread_conf { 570 uint16_t lcore_id; /**< Initial lcore for rx thread */ 571 uint16_t cpu_id; /**< Cpu id for cpu load stats counter */ 572 uint16_t thread_id; /**< Thread ID */ 573 574 #if (APP_CPU_LOAD > 0) 575 int busy[MAX_CPU_COUNTER]; 576 #endif 577 }; 578 579 struct thread_rx_conf { 580 struct thread_conf conf; 581 582 uint16_t n_rx_queue; 583 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; 584 585 uint16_t n_ring; /**< Number of output rings */ 586 struct rte_ring *ring[RTE_MAX_LCORE]; 587 struct lthread_cond *ready[RTE_MAX_LCORE]; 588 589 #if (APP_CPU_LOAD > 0) 590 int busy[MAX_CPU_COUNTER]; 591 #endif 592 } __rte_cache_aligned; 593 594 uint16_t n_rx_thread; 595 struct thread_rx_conf rx_thread[MAX_RX_THREAD]; 596 597 struct thread_tx_conf { 598 struct thread_conf conf; 599 600 uint16_t tx_queue_id[RTE_MAX_LCORE]; 601 struct mbuf_table tx_mbufs[RTE_MAX_LCORE]; 602 603 struct rte_ring *ring; 604 struct lthread_cond **ready; 605 606 } __rte_cache_aligned; 607 608 uint16_t n_tx_thread; 609 struct thread_tx_conf tx_thread[MAX_TX_THREAD]; 610 611 /* Send burst of packets on an output interface */ 612 static inline int 613 send_burst(struct thread_tx_conf *qconf, uint16_t n, uint8_t port) 614 { 615 struct rte_mbuf **m_table; 616 int ret; 617 uint16_t queueid; 618 619 queueid = qconf->tx_queue_id[port]; 620 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; 621 622 ret = rte_eth_tx_burst(port, queueid, m_table, n); 623 if (unlikely(ret < n)) { 624 do { 625 rte_pktmbuf_free(m_table[ret]); 626 } while (++ret < n); 627 } 628 629 return 0; 630 } 631 632 /* Enqueue a single packet, and send burst if queue is filled */ 633 static inline int 634 send_single_packet(struct rte_mbuf *m, uint8_t port) 635 { 636 uint16_t len; 637 struct thread_tx_conf *qconf; 638 639 if (lthreads_on) 640 qconf = (struct thread_tx_conf *)lthread_get_data(); 641 else 642 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data; 643 644 len = qconf->tx_mbufs[port].len; 645 qconf->tx_mbufs[port].m_table[len] = m; 646 len++; 647 648 /* enough pkts to be sent */ 649 if (unlikely(len == MAX_PKT_BURST)) { 650 send_burst(qconf, MAX_PKT_BURST, port); 651 len = 0; 652 } 653 654 qconf->tx_mbufs[port].len = len; 655 return 0; 656 } 657 658 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 659 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 660 static inline __attribute__((always_inline)) void 661 send_packetsx4(uint8_t port, 662 struct rte_mbuf *m[], uint32_t num) 663 { 664 uint32_t len, j, n; 665 struct thread_tx_conf *qconf; 666 667 if (lthreads_on) 668 qconf = (struct thread_tx_conf *)lthread_get_data(); 669 else 670 qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data; 671 672 len = qconf->tx_mbufs[port].len; 673 674 /* 675 * If TX buffer for that queue is empty, and we have enough packets, 676 * then send them straightway. 677 */ 678 if (num >= MAX_TX_BURST && len == 0) { 679 n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num); 680 if (unlikely(n < num)) { 681 do { 682 rte_pktmbuf_free(m[n]); 683 } while (++n < num); 684 } 685 return; 686 } 687 688 /* 689 * Put packets into TX buffer for that queue. 690 */ 691 692 n = len + num; 693 n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num; 694 695 j = 0; 696 switch (n % FWDSTEP) { 697 while (j < n) { 698 case 0: 699 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 700 j++; 701 case 3: 702 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 703 j++; 704 case 2: 705 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 706 j++; 707 case 1: 708 qconf->tx_mbufs[port].m_table[len + j] = m[j]; 709 j++; 710 } 711 } 712 713 len += n; 714 715 /* enough pkts to be sent */ 716 if (unlikely(len == MAX_PKT_BURST)) { 717 718 send_burst(qconf, MAX_PKT_BURST, port); 719 720 /* copy rest of the packets into the TX buffer. */ 721 len = num - n; 722 j = 0; 723 switch (len % FWDSTEP) { 724 while (j < len) { 725 case 0: 726 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 727 j++; 728 case 3: 729 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 730 j++; 731 case 2: 732 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 733 j++; 734 case 1: 735 qconf->tx_mbufs[port].m_table[j] = m[n + j]; 736 j++; 737 } 738 } 739 } 740 741 qconf->tx_mbufs[port].len = len; 742 } 743 #endif /* APP_LOOKUP_LPM */ 744 745 #ifdef DO_RFC_1812_CHECKS 746 static inline int 747 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len) 748 { 749 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */ 750 /* 751 * 1. The packet length reported by the Link Layer must be large 752 * enough to hold the minimum length legal IP datagram (20 bytes). 753 */ 754 if (link_len < sizeof(struct ipv4_hdr)) 755 return -1; 756 757 /* 2. The IP checksum must be correct. */ 758 /* this is checked in H/W */ 759 760 /* 761 * 3. The IP version number must be 4. If the version number is not 4 762 * then the packet may be another version of IP, such as IPng or 763 * ST-II. 764 */ 765 if (((pkt->version_ihl) >> 4) != 4) 766 return -3; 767 /* 768 * 4. The IP header length field must be large enough to hold the 769 * minimum length legal IP datagram (20 bytes = 5 words). 770 */ 771 if ((pkt->version_ihl & 0xf) < 5) 772 return -4; 773 774 /* 775 * 5. The IP total length field must be large enough to hold the IP 776 * datagram header, whose length is specified in the IP header length 777 * field. 778 */ 779 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr)) 780 return -5; 781 782 return 0; 783 } 784 #endif 785 786 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 787 788 static __m128i mask0; 789 static __m128i mask1; 790 static __m128i mask2; 791 static inline uint8_t 792 get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, 793 lookup_struct_t *ipv4_l3fwd_lookup_struct) 794 { 795 int ret = 0; 796 union ipv4_5tuple_host key; 797 798 ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live); 799 __m128i data = _mm_loadu_si128((__m128i *)(ipv4_hdr)); 800 /* Get 5 tuple: dst port, src port, dst IP address, src IP address and 801 protocol */ 802 key.xmm = _mm_and_si128(data, mask0); 803 /* Find destination port */ 804 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key); 805 return (uint8_t)((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]); 806 } 807 808 static inline uint8_t 809 get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, 810 lookup_struct_t *ipv6_l3fwd_lookup_struct) 811 { 812 int ret = 0; 813 union ipv6_5tuple_host key; 814 815 ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len); 816 __m128i data0 = _mm_loadu_si128((__m128i *)(ipv6_hdr)); 817 __m128i data1 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) + 818 sizeof(__m128i))); 819 __m128i data2 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) + 820 sizeof(__m128i) + sizeof(__m128i))); 821 /* Get part of 5 tuple: src IP address lower 96 bits and protocol */ 822 key.xmm[0] = _mm_and_si128(data0, mask1); 823 /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address 824 higher 32 bits */ 825 key.xmm[1] = data1; 826 /* Get part of 5 tuple: dst port and src port and dst IP address higher 827 32 bits */ 828 key.xmm[2] = _mm_and_si128(data2, mask2); 829 830 /* Find destination port */ 831 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key); 832 return (uint8_t)((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]); 833 } 834 #endif 835 836 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 837 838 static inline uint8_t 839 get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, 840 lookup_struct_t *ipv4_l3fwd_lookup_struct) 841 { 842 uint32_t next_hop; 843 844 return (uint8_t)((rte_lpm_lookup(ipv4_l3fwd_lookup_struct, 845 rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr), 846 &next_hop) == 0) ? next_hop : portid); 847 } 848 849 static inline uint8_t 850 get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, 851 lookup6_struct_t *ipv6_l3fwd_lookup_struct) 852 { 853 uint8_t next_hop; 854 855 return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct, 856 ((struct ipv6_hdr *)ipv6_hdr)->dst_addr, &next_hop) == 0) ? 857 next_hop : portid); 858 } 859 #endif 860 861 static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid) 862 __attribute__((unused)); 863 864 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \ 865 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 866 867 #define MASK_ALL_PKTS 0xff 868 #define EXCLUDE_1ST_PKT 0xfe 869 #define EXCLUDE_2ND_PKT 0xfd 870 #define EXCLUDE_3RD_PKT 0xfb 871 #define EXCLUDE_4TH_PKT 0xf7 872 #define EXCLUDE_5TH_PKT 0xef 873 #define EXCLUDE_6TH_PKT 0xdf 874 #define EXCLUDE_7TH_PKT 0xbf 875 #define EXCLUDE_8TH_PKT 0x7f 876 877 static inline void 878 simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid) 879 { 880 struct ether_hdr *eth_hdr[8]; 881 struct ipv4_hdr *ipv4_hdr[8]; 882 uint8_t dst_port[8]; 883 int32_t ret[8]; 884 union ipv4_5tuple_host key[8]; 885 __m128i data[8]; 886 887 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *); 888 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *); 889 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *); 890 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *); 891 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *); 892 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *); 893 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *); 894 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *); 895 896 /* Handle IPv4 headers.*/ 897 ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv4_hdr *, 898 sizeof(struct ether_hdr)); 899 ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv4_hdr *, 900 sizeof(struct ether_hdr)); 901 ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv4_hdr *, 902 sizeof(struct ether_hdr)); 903 ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv4_hdr *, 904 sizeof(struct ether_hdr)); 905 ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv4_hdr *, 906 sizeof(struct ether_hdr)); 907 ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv4_hdr *, 908 sizeof(struct ether_hdr)); 909 ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv4_hdr *, 910 sizeof(struct ether_hdr)); 911 ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv4_hdr *, 912 sizeof(struct ether_hdr)); 913 914 #ifdef DO_RFC_1812_CHECKS 915 /* Check to make sure the packet is valid (RFC1812) */ 916 uint8_t valid_mask = MASK_ALL_PKTS; 917 918 if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) { 919 rte_pktmbuf_free(m[0]); 920 valid_mask &= EXCLUDE_1ST_PKT; 921 } 922 if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) { 923 rte_pktmbuf_free(m[1]); 924 valid_mask &= EXCLUDE_2ND_PKT; 925 } 926 if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) { 927 rte_pktmbuf_free(m[2]); 928 valid_mask &= EXCLUDE_3RD_PKT; 929 } 930 if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) { 931 rte_pktmbuf_free(m[3]); 932 valid_mask &= EXCLUDE_4TH_PKT; 933 } 934 if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) { 935 rte_pktmbuf_free(m[4]); 936 valid_mask &= EXCLUDE_5TH_PKT; 937 } 938 if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) { 939 rte_pktmbuf_free(m[5]); 940 valid_mask &= EXCLUDE_6TH_PKT; 941 } 942 if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) { 943 rte_pktmbuf_free(m[6]); 944 valid_mask &= EXCLUDE_7TH_PKT; 945 } 946 if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) { 947 rte_pktmbuf_free(m[7]); 948 valid_mask &= EXCLUDE_8TH_PKT; 949 } 950 if (unlikely(valid_mask != MASK_ALL_PKTS)) { 951 if (valid_mask == 0) 952 return; 953 954 uint8_t i = 0; 955 956 for (i = 0; i < 8; i++) 957 if ((0x1 << i) & valid_mask) 958 l3fwd_simple_forward(m[i], portid); 959 } 960 #endif /* End of #ifdef DO_RFC_1812_CHECKS */ 961 962 data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *, 963 sizeof(struct ether_hdr) + 964 offsetof(struct ipv4_hdr, time_to_live))); 965 data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *, 966 sizeof(struct ether_hdr) + 967 offsetof(struct ipv4_hdr, time_to_live))); 968 data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *, 969 sizeof(struct ether_hdr) + 970 offsetof(struct ipv4_hdr, time_to_live))); 971 data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *, 972 sizeof(struct ether_hdr) + 973 offsetof(struct ipv4_hdr, time_to_live))); 974 data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *, 975 sizeof(struct ether_hdr) + 976 offsetof(struct ipv4_hdr, time_to_live))); 977 data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *, 978 sizeof(struct ether_hdr) + 979 offsetof(struct ipv4_hdr, time_to_live))); 980 data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *, 981 sizeof(struct ether_hdr) + 982 offsetof(struct ipv4_hdr, time_to_live))); 983 data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *, 984 sizeof(struct ether_hdr) + 985 offsetof(struct ipv4_hdr, time_to_live))); 986 987 key[0].xmm = _mm_and_si128(data[0], mask0); 988 key[1].xmm = _mm_and_si128(data[1], mask0); 989 key[2].xmm = _mm_and_si128(data[2], mask0); 990 key[3].xmm = _mm_and_si128(data[3], mask0); 991 key[4].xmm = _mm_and_si128(data[4], mask0); 992 key[5].xmm = _mm_and_si128(data[5], mask0); 993 key[6].xmm = _mm_and_si128(data[6], mask0); 994 key[7].xmm = _mm_and_si128(data[7], mask0); 995 996 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3], 997 &key[4], &key[5], &key[6], &key[7]}; 998 999 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, 1000 &key_array[0], 8, ret); 1001 dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]); 1002 dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]); 1003 dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]); 1004 dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]); 1005 dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]); 1006 dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]); 1007 dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]); 1008 dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]); 1009 1010 if (dst_port[0] >= RTE_MAX_ETHPORTS || 1011 (enabled_port_mask & 1 << dst_port[0]) == 0) 1012 dst_port[0] = portid; 1013 if (dst_port[1] >= RTE_MAX_ETHPORTS || 1014 (enabled_port_mask & 1 << dst_port[1]) == 0) 1015 dst_port[1] = portid; 1016 if (dst_port[2] >= RTE_MAX_ETHPORTS || 1017 (enabled_port_mask & 1 << dst_port[2]) == 0) 1018 dst_port[2] = portid; 1019 if (dst_port[3] >= RTE_MAX_ETHPORTS || 1020 (enabled_port_mask & 1 << dst_port[3]) == 0) 1021 dst_port[3] = portid; 1022 if (dst_port[4] >= RTE_MAX_ETHPORTS || 1023 (enabled_port_mask & 1 << dst_port[4]) == 0) 1024 dst_port[4] = portid; 1025 if (dst_port[5] >= RTE_MAX_ETHPORTS || 1026 (enabled_port_mask & 1 << dst_port[5]) == 0) 1027 dst_port[5] = portid; 1028 if (dst_port[6] >= RTE_MAX_ETHPORTS || 1029 (enabled_port_mask & 1 << dst_port[6]) == 0) 1030 dst_port[6] = portid; 1031 if (dst_port[7] >= RTE_MAX_ETHPORTS || 1032 (enabled_port_mask & 1 << dst_port[7]) == 0) 1033 dst_port[7] = portid; 1034 1035 #ifdef DO_RFC_1812_CHECKS 1036 /* Update time to live and header checksum */ 1037 --(ipv4_hdr[0]->time_to_live); 1038 --(ipv4_hdr[1]->time_to_live); 1039 --(ipv4_hdr[2]->time_to_live); 1040 --(ipv4_hdr[3]->time_to_live); 1041 ++(ipv4_hdr[0]->hdr_checksum); 1042 ++(ipv4_hdr[1]->hdr_checksum); 1043 ++(ipv4_hdr[2]->hdr_checksum); 1044 ++(ipv4_hdr[3]->hdr_checksum); 1045 --(ipv4_hdr[4]->time_to_live); 1046 --(ipv4_hdr[5]->time_to_live); 1047 --(ipv4_hdr[6]->time_to_live); 1048 --(ipv4_hdr[7]->time_to_live); 1049 ++(ipv4_hdr[4]->hdr_checksum); 1050 ++(ipv4_hdr[5]->hdr_checksum); 1051 ++(ipv4_hdr[6]->hdr_checksum); 1052 ++(ipv4_hdr[7]->hdr_checksum); 1053 #endif 1054 1055 /* dst addr */ 1056 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]]; 1057 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]]; 1058 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]]; 1059 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]]; 1060 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]]; 1061 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]]; 1062 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]]; 1063 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]]; 1064 1065 /* src addr */ 1066 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr); 1067 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr); 1068 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr); 1069 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr); 1070 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr); 1071 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr); 1072 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr); 1073 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr); 1074 1075 send_single_packet(m[0], (uint8_t)dst_port[0]); 1076 send_single_packet(m[1], (uint8_t)dst_port[1]); 1077 send_single_packet(m[2], (uint8_t)dst_port[2]); 1078 send_single_packet(m[3], (uint8_t)dst_port[3]); 1079 send_single_packet(m[4], (uint8_t)dst_port[4]); 1080 send_single_packet(m[5], (uint8_t)dst_port[5]); 1081 send_single_packet(m[6], (uint8_t)dst_port[6]); 1082 send_single_packet(m[7], (uint8_t)dst_port[7]); 1083 1084 } 1085 1086 static inline void get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0, 1087 __m128i mask1, union ipv6_5tuple_host *key) 1088 { 1089 __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1090 __m128i *, sizeof(struct ether_hdr) + 1091 offsetof(struct ipv6_hdr, payload_len))); 1092 __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1093 __m128i *, sizeof(struct ether_hdr) + 1094 offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i))); 1095 __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, 1096 __m128i *, sizeof(struct ether_hdr) + 1097 offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i) + 1098 sizeof(__m128i))); 1099 key->xmm[0] = _mm_and_si128(tmpdata0, mask0); 1100 key->xmm[1] = tmpdata1; 1101 key->xmm[2] = _mm_and_si128(tmpdata2, mask1); 1102 } 1103 1104 static inline void 1105 simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid) 1106 { 1107 int32_t ret[8]; 1108 uint8_t dst_port[8]; 1109 struct ether_hdr *eth_hdr[8]; 1110 union ipv6_5tuple_host key[8]; 1111 1112 __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[8]; 1113 1114 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *); 1115 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *); 1116 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *); 1117 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *); 1118 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *); 1119 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *); 1120 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *); 1121 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *); 1122 1123 /* Handle IPv6 headers.*/ 1124 ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv6_hdr *, 1125 sizeof(struct ether_hdr)); 1126 ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv6_hdr *, 1127 sizeof(struct ether_hdr)); 1128 ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv6_hdr *, 1129 sizeof(struct ether_hdr)); 1130 ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv6_hdr *, 1131 sizeof(struct ether_hdr)); 1132 ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv6_hdr *, 1133 sizeof(struct ether_hdr)); 1134 ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv6_hdr *, 1135 sizeof(struct ether_hdr)); 1136 ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv6_hdr *, 1137 sizeof(struct ether_hdr)); 1138 ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv6_hdr *, 1139 sizeof(struct ether_hdr)); 1140 1141 get_ipv6_5tuple(m[0], mask1, mask2, &key[0]); 1142 get_ipv6_5tuple(m[1], mask1, mask2, &key[1]); 1143 get_ipv6_5tuple(m[2], mask1, mask2, &key[2]); 1144 get_ipv6_5tuple(m[3], mask1, mask2, &key[3]); 1145 get_ipv6_5tuple(m[4], mask1, mask2, &key[4]); 1146 get_ipv6_5tuple(m[5], mask1, mask2, &key[5]); 1147 get_ipv6_5tuple(m[6], mask1, mask2, &key[6]); 1148 get_ipv6_5tuple(m[7], mask1, mask2, &key[7]); 1149 1150 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3], 1151 &key[4], &key[5], &key[6], &key[7]}; 1152 1153 rte_hash_lookup_bulk(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct, 1154 &key_array[0], 4, ret); 1155 dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]); 1156 dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]); 1157 dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]); 1158 dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]); 1159 dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]); 1160 dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]); 1161 dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]); 1162 dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv6_l3fwd_out_if[ret[7]]); 1163 1164 if (dst_port[0] >= RTE_MAX_ETHPORTS || 1165 (enabled_port_mask & 1 << dst_port[0]) == 0) 1166 dst_port[0] = portid; 1167 if (dst_port[1] >= RTE_MAX_ETHPORTS || 1168 (enabled_port_mask & 1 << dst_port[1]) == 0) 1169 dst_port[1] = portid; 1170 if (dst_port[2] >= RTE_MAX_ETHPORTS || 1171 (enabled_port_mask & 1 << dst_port[2]) == 0) 1172 dst_port[2] = portid; 1173 if (dst_port[3] >= RTE_MAX_ETHPORTS || 1174 (enabled_port_mask & 1 << dst_port[3]) == 0) 1175 dst_port[3] = portid; 1176 if (dst_port[4] >= RTE_MAX_ETHPORTS || 1177 (enabled_port_mask & 1 << dst_port[4]) == 0) 1178 dst_port[4] = portid; 1179 if (dst_port[5] >= RTE_MAX_ETHPORTS || 1180 (enabled_port_mask & 1 << dst_port[5]) == 0) 1181 dst_port[5] = portid; 1182 if (dst_port[6] >= RTE_MAX_ETHPORTS || 1183 (enabled_port_mask & 1 << dst_port[6]) == 0) 1184 dst_port[6] = portid; 1185 if (dst_port[7] >= RTE_MAX_ETHPORTS || 1186 (enabled_port_mask & 1 << dst_port[7]) == 0) 1187 dst_port[7] = portid; 1188 1189 /* dst addr */ 1190 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]]; 1191 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]]; 1192 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]]; 1193 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]]; 1194 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]]; 1195 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]]; 1196 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]]; 1197 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]]; 1198 1199 /* src addr */ 1200 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr); 1201 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr); 1202 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr); 1203 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr); 1204 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr); 1205 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr); 1206 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr); 1207 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr); 1208 1209 send_single_packet(m[0], (uint8_t)dst_port[0]); 1210 send_single_packet(m[1], (uint8_t)dst_port[1]); 1211 send_single_packet(m[2], (uint8_t)dst_port[2]); 1212 send_single_packet(m[3], (uint8_t)dst_port[3]); 1213 send_single_packet(m[4], (uint8_t)dst_port[4]); 1214 send_single_packet(m[5], (uint8_t)dst_port[5]); 1215 send_single_packet(m[6], (uint8_t)dst_port[6]); 1216 send_single_packet(m[7], (uint8_t)dst_port[7]); 1217 1218 } 1219 #endif /* APP_LOOKUP_METHOD */ 1220 1221 static inline __attribute__((always_inline)) void 1222 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid) 1223 { 1224 struct ether_hdr *eth_hdr; 1225 struct ipv4_hdr *ipv4_hdr; 1226 uint8_t dst_port; 1227 1228 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); 1229 1230 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) { 1231 /* Handle IPv4 headers.*/ 1232 ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, 1233 sizeof(struct ether_hdr)); 1234 1235 #ifdef DO_RFC_1812_CHECKS 1236 /* Check to make sure the packet is valid (RFC1812) */ 1237 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) { 1238 rte_pktmbuf_free(m); 1239 return; 1240 } 1241 #endif 1242 1243 dst_port = get_ipv4_dst_port(ipv4_hdr, portid, 1244 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct); 1245 if (dst_port >= RTE_MAX_ETHPORTS || 1246 (enabled_port_mask & 1 << dst_port) == 0) 1247 dst_port = portid; 1248 1249 #ifdef DO_RFC_1812_CHECKS 1250 /* Update time to live and header checksum */ 1251 --(ipv4_hdr->time_to_live); 1252 ++(ipv4_hdr->hdr_checksum); 1253 #endif 1254 /* dst addr */ 1255 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port]; 1256 1257 /* src addr */ 1258 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr); 1259 1260 send_single_packet(m, dst_port); 1261 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { 1262 /* Handle IPv6 headers.*/ 1263 struct ipv6_hdr *ipv6_hdr; 1264 1265 ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *, 1266 sizeof(struct ether_hdr)); 1267 1268 dst_port = get_ipv6_dst_port(ipv6_hdr, portid, 1269 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct); 1270 1271 if (dst_port >= RTE_MAX_ETHPORTS || 1272 (enabled_port_mask & 1 << dst_port) == 0) 1273 dst_port = portid; 1274 1275 /* dst addr */ 1276 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port]; 1277 1278 /* src addr */ 1279 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr); 1280 1281 send_single_packet(m, dst_port); 1282 } else 1283 /* Free the mbuf that contains non-IPV4/IPV6 packet */ 1284 rte_pktmbuf_free(m); 1285 } 1286 1287 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1288 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1289 #ifdef DO_RFC_1812_CHECKS 1290 1291 #define IPV4_MIN_VER_IHL 0x45 1292 #define IPV4_MAX_VER_IHL 0x4f 1293 #define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL) 1294 1295 /* Minimum value of IPV4 total length (20B) in network byte order. */ 1296 #define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8) 1297 1298 /* 1299 * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2: 1300 * - The IP version number must be 4. 1301 * - The IP header length field must be large enough to hold the 1302 * minimum length legal IP datagram (20 bytes = 5 words). 1303 * - The IP total length field must be large enough to hold the IP 1304 * datagram header, whose length is specified in the IP header length 1305 * field. 1306 * If we encounter invalid IPV4 packet, then set destination port for it 1307 * to BAD_PORT value. 1308 */ 1309 static inline __attribute__((always_inline)) void 1310 rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype) 1311 { 1312 uint8_t ihl; 1313 1314 if (RTE_ETH_IS_IPV4_HDR(ptype)) { 1315 ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL; 1316 1317 ipv4_hdr->time_to_live--; 1318 ipv4_hdr->hdr_checksum++; 1319 1320 if (ihl > IPV4_MAX_VER_IHL_DIFF || 1321 ((uint8_t)ipv4_hdr->total_length == 0 && 1322 ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) { 1323 dp[0] = BAD_PORT; 1324 } 1325 } 1326 } 1327 1328 #else 1329 #define rfc1812_process(mb, dp, ptype) do { } while (0) 1330 #endif /* DO_RFC_1812_CHECKS */ 1331 #endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */ 1332 1333 1334 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1335 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1336 1337 static inline __attribute__((always_inline)) uint16_t 1338 get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint8_t portid) 1339 { 1340 uint32_t next_hop_ipv4; 1341 uint8_t next_hop_ipv6; 1342 struct ipv6_hdr *ipv6_hdr; 1343 struct ether_hdr *eth_hdr; 1344 1345 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { 1346 return (uint16_t) ((rte_lpm_lookup( 1347 RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dst_ipv4, 1348 &next_hop_ipv4) == 0) ? next_hop_ipv4 : portid); 1349 1350 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { 1351 1352 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *); 1353 ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1); 1354 1355 return (uint16_t) ((rte_lpm6_lookup( 1356 RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct, 1357 ipv6_hdr->dst_addr, &next_hop_ipv6) == 0) ? next_hop_ipv6 : 1358 portid); 1359 1360 } 1361 1362 return portid; 1363 } 1364 1365 static inline void 1366 process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint8_t portid) 1367 { 1368 struct ether_hdr *eth_hdr; 1369 struct ipv4_hdr *ipv4_hdr; 1370 uint32_t dst_ipv4; 1371 uint16_t dp; 1372 __m128i te, ve; 1373 1374 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *); 1375 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1); 1376 1377 dst_ipv4 = ipv4_hdr->dst_addr; 1378 dst_ipv4 = rte_be_to_cpu_32(dst_ipv4); 1379 dp = get_dst_port(pkt, dst_ipv4, portid); 1380 1381 te = _mm_load_si128((__m128i *)eth_hdr); 1382 ve = val_eth[dp]; 1383 1384 dst_port[0] = dp; 1385 rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type); 1386 1387 te = _mm_blend_epi16(te, ve, MASK_ETH); 1388 _mm_store_si128((__m128i *)eth_hdr, te); 1389 } 1390 1391 /* 1392 * Read packet_type and destination IPV4 addresses from 4 mbufs. 1393 */ 1394 static inline void 1395 processx4_step1(struct rte_mbuf *pkt[FWDSTEP], 1396 __m128i *dip, 1397 uint32_t *ipv4_flag) 1398 { 1399 struct ipv4_hdr *ipv4_hdr; 1400 struct ether_hdr *eth_hdr; 1401 uint32_t x0, x1, x2, x3; 1402 1403 eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *); 1404 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1); 1405 x0 = ipv4_hdr->dst_addr; 1406 ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4; 1407 1408 eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *); 1409 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1); 1410 x1 = ipv4_hdr->dst_addr; 1411 ipv4_flag[0] &= pkt[1]->packet_type; 1412 1413 eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *); 1414 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1); 1415 x2 = ipv4_hdr->dst_addr; 1416 ipv4_flag[0] &= pkt[2]->packet_type; 1417 1418 eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *); 1419 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1); 1420 x3 = ipv4_hdr->dst_addr; 1421 ipv4_flag[0] &= pkt[3]->packet_type; 1422 1423 dip[0] = _mm_set_epi32(x3, x2, x1, x0); 1424 } 1425 1426 /* 1427 * Lookup into LPM for destination port. 1428 * If lookup fails, use incoming port (portid) as destination port. 1429 */ 1430 static inline void 1431 processx4_step2(__m128i dip, 1432 uint32_t ipv4_flag, 1433 uint8_t portid, 1434 struct rte_mbuf *pkt[FWDSTEP], 1435 uint16_t dprt[FWDSTEP]) 1436 { 1437 rte_xmm_t dst; 1438 const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11, 1439 4, 5, 6, 7, 0, 1, 2, 3); 1440 1441 /* Byte swap 4 IPV4 addresses. */ 1442 dip = _mm_shuffle_epi8(dip, bswap_mask); 1443 1444 /* if all 4 packets are IPV4. */ 1445 if (likely(ipv4_flag)) { 1446 rte_lpm_lookupx4(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dip, 1447 dst.u32, portid); 1448 1449 /* get rid of unused upper 16 bit for each dport. */ 1450 dst.x = _mm_packs_epi32(dst.x, dst.x); 1451 *(uint64_t *)dprt = dst.u64[0]; 1452 } else { 1453 dst.x = dip; 1454 dprt[0] = get_dst_port(pkt[0], dst.u32[0], portid); 1455 dprt[1] = get_dst_port(pkt[1], dst.u32[1], portid); 1456 dprt[2] = get_dst_port(pkt[2], dst.u32[2], portid); 1457 dprt[3] = get_dst_port(pkt[3], dst.u32[3], portid); 1458 } 1459 } 1460 1461 /* 1462 * Update source and destination MAC addresses in the ethernet header. 1463 * Perform RFC1812 checks and updates for IPV4 packets. 1464 */ 1465 static inline void 1466 processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP]) 1467 { 1468 __m128i te[FWDSTEP]; 1469 __m128i ve[FWDSTEP]; 1470 __m128i *p[FWDSTEP]; 1471 1472 p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *); 1473 p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *); 1474 p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *); 1475 p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *); 1476 1477 ve[0] = val_eth[dst_port[0]]; 1478 te[0] = _mm_load_si128(p[0]); 1479 1480 ve[1] = val_eth[dst_port[1]]; 1481 te[1] = _mm_load_si128(p[1]); 1482 1483 ve[2] = val_eth[dst_port[2]]; 1484 te[2] = _mm_load_si128(p[2]); 1485 1486 ve[3] = val_eth[dst_port[3]]; 1487 te[3] = _mm_load_si128(p[3]); 1488 1489 /* Update first 12 bytes, keep rest bytes intact. */ 1490 te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH); 1491 te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH); 1492 te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH); 1493 te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH); 1494 1495 _mm_store_si128(p[0], te[0]); 1496 _mm_store_si128(p[1], te[1]); 1497 _mm_store_si128(p[2], te[2]); 1498 _mm_store_si128(p[3], te[3]); 1499 1500 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1), 1501 &dst_port[0], pkt[0]->packet_type); 1502 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1), 1503 &dst_port[1], pkt[1]->packet_type); 1504 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1), 1505 &dst_port[2], pkt[2]->packet_type); 1506 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1), 1507 &dst_port[3], pkt[3]->packet_type); 1508 } 1509 1510 /* 1511 * We group consecutive packets with the same destionation port into one burst. 1512 * To avoid extra latency this is done together with some other packet 1513 * processing, but after we made a final decision about packet's destination. 1514 * To do this we maintain: 1515 * pnum - array of number of consecutive packets with the same dest port for 1516 * each packet in the input burst. 1517 * lp - pointer to the last updated element in the pnum. 1518 * dlp - dest port value lp corresponds to. 1519 */ 1520 1521 #define GRPSZ (1 << FWDSTEP) 1522 #define GRPMSK (GRPSZ - 1) 1523 1524 #define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \ 1525 if (likely((dlp) == (dcp)[(idx)])) { \ 1526 (lp)[0]++; \ 1527 } else { \ 1528 (dlp) = (dcp)[idx]; \ 1529 (lp) = (pn) + (idx); \ 1530 (lp)[0] = 1; \ 1531 } \ 1532 } while (0) 1533 1534 /* 1535 * Group consecutive packets with the same destination port in bursts of 4. 1536 * Suppose we have array of destionation ports: 1537 * dst_port[] = {a, b, c, d,, e, ... } 1538 * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>. 1539 * We doing 4 comparisions at once and the result is 4 bit mask. 1540 * This mask is used as an index into prebuild array of pnum values. 1541 */ 1542 static inline uint16_t * 1543 port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2) 1544 { 1545 static const struct { 1546 uint64_t pnum; /* prebuild 4 values for pnum[]. */ 1547 int32_t idx; /* index for new last updated elemnet. */ 1548 uint16_t lpv; /* add value to the last updated element. */ 1549 } gptbl[GRPSZ] = { 1550 { 1551 /* 0: a != b, b != c, c != d, d != e */ 1552 .pnum = UINT64_C(0x0001000100010001), 1553 .idx = 4, 1554 .lpv = 0, 1555 }, 1556 { 1557 /* 1: a == b, b != c, c != d, d != e */ 1558 .pnum = UINT64_C(0x0001000100010002), 1559 .idx = 4, 1560 .lpv = 1, 1561 }, 1562 { 1563 /* 2: a != b, b == c, c != d, d != e */ 1564 .pnum = UINT64_C(0x0001000100020001), 1565 .idx = 4, 1566 .lpv = 0, 1567 }, 1568 { 1569 /* 3: a == b, b == c, c != d, d != e */ 1570 .pnum = UINT64_C(0x0001000100020003), 1571 .idx = 4, 1572 .lpv = 2, 1573 }, 1574 { 1575 /* 4: a != b, b != c, c == d, d != e */ 1576 .pnum = UINT64_C(0x0001000200010001), 1577 .idx = 4, 1578 .lpv = 0, 1579 }, 1580 { 1581 /* 5: a == b, b != c, c == d, d != e */ 1582 .pnum = UINT64_C(0x0001000200010002), 1583 .idx = 4, 1584 .lpv = 1, 1585 }, 1586 { 1587 /* 6: a != b, b == c, c == d, d != e */ 1588 .pnum = UINT64_C(0x0001000200030001), 1589 .idx = 4, 1590 .lpv = 0, 1591 }, 1592 { 1593 /* 7: a == b, b == c, c == d, d != e */ 1594 .pnum = UINT64_C(0x0001000200030004), 1595 .idx = 4, 1596 .lpv = 3, 1597 }, 1598 { 1599 /* 8: a != b, b != c, c != d, d == e */ 1600 .pnum = UINT64_C(0x0002000100010001), 1601 .idx = 3, 1602 .lpv = 0, 1603 }, 1604 { 1605 /* 9: a == b, b != c, c != d, d == e */ 1606 .pnum = UINT64_C(0x0002000100010002), 1607 .idx = 3, 1608 .lpv = 1, 1609 }, 1610 { 1611 /* 0xa: a != b, b == c, c != d, d == e */ 1612 .pnum = UINT64_C(0x0002000100020001), 1613 .idx = 3, 1614 .lpv = 0, 1615 }, 1616 { 1617 /* 0xb: a == b, b == c, c != d, d == e */ 1618 .pnum = UINT64_C(0x0002000100020003), 1619 .idx = 3, 1620 .lpv = 2, 1621 }, 1622 { 1623 /* 0xc: a != b, b != c, c == d, d == e */ 1624 .pnum = UINT64_C(0x0002000300010001), 1625 .idx = 2, 1626 .lpv = 0, 1627 }, 1628 { 1629 /* 0xd: a == b, b != c, c == d, d == e */ 1630 .pnum = UINT64_C(0x0002000300010002), 1631 .idx = 2, 1632 .lpv = 1, 1633 }, 1634 { 1635 /* 0xe: a != b, b == c, c == d, d == e */ 1636 .pnum = UINT64_C(0x0002000300040001), 1637 .idx = 1, 1638 .lpv = 0, 1639 }, 1640 { 1641 /* 0xf: a == b, b == c, c == d, d == e */ 1642 .pnum = UINT64_C(0x0002000300040005), 1643 .idx = 0, 1644 .lpv = 4, 1645 }, 1646 }; 1647 1648 union { 1649 uint16_t u16[FWDSTEP + 1]; 1650 uint64_t u64; 1651 } *pnum = (void *)pn; 1652 1653 int32_t v; 1654 1655 dp1 = _mm_cmpeq_epi16(dp1, dp2); 1656 dp1 = _mm_unpacklo_epi16(dp1, dp1); 1657 v = _mm_movemask_ps((__m128)dp1); 1658 1659 /* update last port counter. */ 1660 lp[0] += gptbl[v].lpv; 1661 1662 /* if dest port value has changed. */ 1663 if (v != GRPMSK) { 1664 pnum->u64 = gptbl[v].pnum; 1665 pnum->u16[FWDSTEP] = 1; 1666 lp = pnum->u16 + gptbl[v].idx; 1667 } 1668 1669 return lp; 1670 } 1671 1672 #endif /* APP_LOOKUP_METHOD */ 1673 1674 static void 1675 process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx, 1676 uint8_t portid) { 1677 1678 int j; 1679 1680 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \ 1681 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)) 1682 int32_t k; 1683 uint16_t dlp; 1684 uint16_t *lp; 1685 uint16_t dst_port[MAX_PKT_BURST]; 1686 __m128i dip[MAX_PKT_BURST / FWDSTEP]; 1687 uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP]; 1688 uint16_t pnum[MAX_PKT_BURST + 1]; 1689 #endif 1690 1691 1692 #if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1) 1693 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 1694 { 1695 /* 1696 * Send nb_rx - nb_rx%8 packets 1697 * in groups of 8. 1698 */ 1699 int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8); 1700 1701 for (j = 0; j < n; j += 8) { 1702 uint32_t pkt_type = 1703 pkts_burst[j]->packet_type & 1704 pkts_burst[j+1]->packet_type & 1705 pkts_burst[j+2]->packet_type & 1706 pkts_burst[j+3]->packet_type & 1707 pkts_burst[j+4]->packet_type & 1708 pkts_burst[j+5]->packet_type & 1709 pkts_burst[j+6]->packet_type & 1710 pkts_burst[j+7]->packet_type; 1711 if (pkt_type & RTE_PTYPE_L3_IPV4) { 1712 simple_ipv4_fwd_8pkts(&pkts_burst[j], portid); 1713 } else if (pkt_type & 1714 RTE_PTYPE_L3_IPV6) { 1715 simple_ipv6_fwd_8pkts(&pkts_burst[j], portid); 1716 } else { 1717 l3fwd_simple_forward(pkts_burst[j], portid); 1718 l3fwd_simple_forward(pkts_burst[j+1], portid); 1719 l3fwd_simple_forward(pkts_burst[j+2], portid); 1720 l3fwd_simple_forward(pkts_burst[j+3], portid); 1721 l3fwd_simple_forward(pkts_burst[j+4], portid); 1722 l3fwd_simple_forward(pkts_burst[j+5], portid); 1723 l3fwd_simple_forward(pkts_burst[j+6], portid); 1724 l3fwd_simple_forward(pkts_burst[j+7], portid); 1725 } 1726 } 1727 for (; j < nb_rx ; j++) 1728 l3fwd_simple_forward(pkts_burst[j], portid); 1729 } 1730 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 1731 1732 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1733 for (j = 0; j != k; j += FWDSTEP) 1734 processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP], 1735 &ipv4_flag[j / FWDSTEP]); 1736 1737 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1738 for (j = 0; j != k; j += FWDSTEP) 1739 processx4_step2(dip[j / FWDSTEP], ipv4_flag[j / FWDSTEP], 1740 portid, &pkts_burst[j], &dst_port[j]); 1741 1742 /* 1743 * Finish packet processing and group consecutive 1744 * packets with the same destination port. 1745 */ 1746 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP); 1747 if (k != 0) { 1748 __m128i dp1, dp2; 1749 1750 lp = pnum; 1751 lp[0] = 1; 1752 1753 processx4_step3(pkts_burst, dst_port); 1754 1755 /* dp1: <d[0], d[1], d[2], d[3], ... > */ 1756 dp1 = _mm_loadu_si128((__m128i *)dst_port); 1757 1758 for (j = FWDSTEP; j != k; j += FWDSTEP) { 1759 processx4_step3(&pkts_burst[j], &dst_port[j]); 1760 1761 /* 1762 * dp2: 1763 * <d[j-3], d[j-2], d[j-1], d[j], ... > 1764 */ 1765 dp2 = _mm_loadu_si128( 1766 (__m128i *)&dst_port[j - FWDSTEP + 1]); 1767 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2); 1768 1769 /* 1770 * dp1: 1771 * <d[j], d[j+1], d[j+2], d[j+3], ... > 1772 */ 1773 dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) * 1774 sizeof(dst_port[0])); 1775 } 1776 1777 /* 1778 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... > 1779 */ 1780 dp2 = _mm_shufflelo_epi16(dp1, 0xf9); 1781 lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2); 1782 1783 /* 1784 * remove values added by the last repeated 1785 * dst port. 1786 */ 1787 lp[0]--; 1788 dlp = dst_port[j - 1]; 1789 } else { 1790 /* set dlp and lp to the never used values. */ 1791 dlp = BAD_PORT - 1; 1792 lp = pnum + MAX_PKT_BURST; 1793 } 1794 1795 /* Process up to last 3 packets one by one. */ 1796 switch (nb_rx % FWDSTEP) { 1797 case 3: 1798 process_packet(pkts_burst[j], dst_port + j, portid); 1799 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1800 j++; 1801 case 2: 1802 process_packet(pkts_burst[j], dst_port + j, portid); 1803 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1804 j++; 1805 case 1: 1806 process_packet(pkts_burst[j], dst_port + j, portid); 1807 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j); 1808 j++; 1809 } 1810 1811 /* 1812 * Send packets out, through destination port. 1813 * Consecuteve pacekts with the same destination port 1814 * are already grouped together. 1815 * If destination port for the packet equals BAD_PORT, 1816 * then free the packet without sending it out. 1817 */ 1818 for (j = 0; j < nb_rx; j += k) { 1819 1820 int32_t m; 1821 uint16_t pn; 1822 1823 pn = dst_port[j]; 1824 k = pnum[j]; 1825 1826 if (likely(pn != BAD_PORT)) 1827 send_packetsx4(pn, pkts_burst + j, k); 1828 else 1829 for (m = j; m != j + k; m++) 1830 rte_pktmbuf_free(pkts_burst[m]); 1831 1832 } 1833 1834 #endif /* APP_LOOKUP_METHOD */ 1835 #else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */ 1836 1837 /* Prefetch first packets */ 1838 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) 1839 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *)); 1840 1841 /* Prefetch and forward already prefetched packets */ 1842 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) { 1843 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[ 1844 j + PREFETCH_OFFSET], void *)); 1845 l3fwd_simple_forward(pkts_burst[j], portid); 1846 } 1847 1848 /* Forward remaining prefetched packets */ 1849 for (; j < nb_rx; j++) 1850 l3fwd_simple_forward(pkts_burst[j], portid); 1851 1852 #endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */ 1853 1854 } 1855 1856 #if (APP_CPU_LOAD > 0) 1857 1858 /* 1859 * CPU-load stats collector 1860 */ 1861 static int 1862 cpu_load_collector(__rte_unused void *arg) { 1863 unsigned i, j, k; 1864 uint64_t hits; 1865 uint64_t prev_tsc, diff_tsc, cur_tsc; 1866 uint64_t total[MAX_CPU] = { 0 }; 1867 unsigned min_cpu = MAX_CPU; 1868 unsigned max_cpu = 0; 1869 unsigned cpu_id; 1870 int busy_total = 0; 1871 int busy_flag = 0; 1872 1873 unsigned int n_thread_per_cpu[MAX_CPU] = { 0 }; 1874 struct thread_conf *thread_per_cpu[MAX_CPU][MAX_THREAD]; 1875 1876 struct thread_conf *thread_conf; 1877 1878 const uint64_t interval_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 1879 US_PER_S * CPU_LOAD_TIMEOUT_US; 1880 1881 prev_tsc = 0; 1882 /* 1883 * Wait for all threads 1884 */ 1885 1886 printf("Waiting for %d rx threads and %d tx threads\n", n_rx_thread, 1887 n_tx_thread); 1888 1889 while (rte_atomic16_read(&rx_counter) < n_rx_thread) 1890 rte_pause(); 1891 1892 while (rte_atomic16_read(&tx_counter) < n_tx_thread) 1893 rte_pause(); 1894 1895 for (i = 0; i < n_rx_thread; i++) { 1896 1897 thread_conf = &rx_thread[i].conf; 1898 cpu_id = thread_conf->cpu_id; 1899 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf; 1900 1901 if (cpu_id > max_cpu) 1902 max_cpu = cpu_id; 1903 if (cpu_id < min_cpu) 1904 min_cpu = cpu_id; 1905 } 1906 for (i = 0; i < n_tx_thread; i++) { 1907 1908 thread_conf = &tx_thread[i].conf; 1909 cpu_id = thread_conf->cpu_id; 1910 thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf; 1911 1912 if (thread_conf->cpu_id > max_cpu) 1913 max_cpu = thread_conf->cpu_id; 1914 if (thread_conf->cpu_id < min_cpu) 1915 min_cpu = thread_conf->cpu_id; 1916 } 1917 1918 while (1) { 1919 1920 cpu_load.counter++; 1921 for (i = min_cpu; i <= max_cpu; i++) { 1922 for (j = 0; j < MAX_CPU_COUNTER; j++) { 1923 for (k = 0; k < n_thread_per_cpu[i]; k++) 1924 if (thread_per_cpu[i][k]->busy[j]) { 1925 busy_flag = 1; 1926 break; 1927 } 1928 if (busy_flag) { 1929 cpu_load.hits[j][i]++; 1930 busy_total = 1; 1931 busy_flag = 0; 1932 } 1933 } 1934 1935 if (busy_total) { 1936 total[i]++; 1937 busy_total = 0; 1938 } 1939 } 1940 1941 cur_tsc = rte_rdtsc(); 1942 1943 diff_tsc = cur_tsc - prev_tsc; 1944 if (unlikely(diff_tsc > interval_tsc)) { 1945 1946 printf("\033c"); 1947 1948 printf("Cpu usage for %d rx threads and %d tx threads:\n\n", 1949 n_rx_thread, n_tx_thread); 1950 1951 printf("cpu# proc%% poll%% overhead%%\n\n"); 1952 1953 for (i = min_cpu; i <= max_cpu; i++) { 1954 hits = 0; 1955 printf("CPU %d:", i); 1956 for (j = 0; j < MAX_CPU_COUNTER; j++) { 1957 printf("%7" PRIu64 "", 1958 cpu_load.hits[j][i] * 100 / cpu_load.counter); 1959 hits += cpu_load.hits[j][i]; 1960 cpu_load.hits[j][i] = 0; 1961 } 1962 printf("%7" PRIu64 "\n", 1963 100 - total[i] * 100 / cpu_load.counter); 1964 total[i] = 0; 1965 } 1966 cpu_load.counter = 0; 1967 1968 prev_tsc = cur_tsc; 1969 } 1970 1971 } 1972 } 1973 #endif /* APP_CPU_LOAD */ 1974 1975 /* 1976 * Null processing lthread loop 1977 * 1978 * This loop is used to start empty scheduler on lcore. 1979 */ 1980 static void 1981 lthread_null(__rte_unused void *args) 1982 { 1983 int lcore_id = rte_lcore_id(); 1984 1985 RTE_LOG(INFO, L3FWD, "Starting scheduler on lcore %d.\n", lcore_id); 1986 lthread_exit(NULL); 1987 } 1988 1989 /* main processing loop */ 1990 static void 1991 lthread_tx_per_ring(void *dummy) 1992 { 1993 int nb_rx; 1994 uint8_t portid; 1995 struct rte_ring *ring; 1996 struct thread_tx_conf *tx_conf; 1997 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 1998 struct lthread_cond *ready; 1999 2000 tx_conf = (struct thread_tx_conf *)dummy; 2001 ring = tx_conf->ring; 2002 ready = *tx_conf->ready; 2003 2004 lthread_set_data((void *)tx_conf); 2005 2006 /* 2007 * Move this lthread to lcore 2008 */ 2009 lthread_set_affinity(tx_conf->conf.lcore_id); 2010 2011 RTE_LOG(INFO, L3FWD, "entering main tx loop on lcore %u\n", rte_lcore_id()); 2012 2013 nb_rx = 0; 2014 rte_atomic16_inc(&tx_counter); 2015 while (1) { 2016 2017 /* 2018 * Read packet from ring 2019 */ 2020 SET_CPU_BUSY(tx_conf, CPU_POLL); 2021 nb_rx = rte_ring_sc_dequeue_burst(ring, (void **)pkts_burst, 2022 MAX_PKT_BURST); 2023 SET_CPU_IDLE(tx_conf, CPU_POLL); 2024 2025 if (nb_rx > 0) { 2026 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2027 portid = pkts_burst[0]->port; 2028 process_burst(pkts_burst, nb_rx, portid); 2029 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2030 lthread_yield(); 2031 } else 2032 lthread_cond_wait(ready, 0); 2033 2034 } 2035 } 2036 2037 /* 2038 * Main tx-lthreads spawner lthread. 2039 * 2040 * This lthread is used to spawn one new lthread per ring from producers. 2041 * 2042 */ 2043 static void 2044 lthread_tx(void *args) 2045 { 2046 struct lthread *lt; 2047 2048 unsigned lcore_id; 2049 uint8_t portid; 2050 struct thread_tx_conf *tx_conf; 2051 2052 tx_conf = (struct thread_tx_conf *)args; 2053 lthread_set_data((void *)tx_conf); 2054 2055 /* 2056 * Move this lthread to the selected lcore 2057 */ 2058 lthread_set_affinity(tx_conf->conf.lcore_id); 2059 2060 /* 2061 * Spawn tx readers (one per input ring) 2062 */ 2063 lthread_create(<, tx_conf->conf.lcore_id, lthread_tx_per_ring, 2064 (void *)tx_conf); 2065 2066 lcore_id = rte_lcore_id(); 2067 2068 RTE_LOG(INFO, L3FWD, "Entering Tx main loop on lcore %u\n", lcore_id); 2069 2070 tx_conf->conf.cpu_id = sched_getcpu(); 2071 while (1) { 2072 2073 lthread_sleep(BURST_TX_DRAIN_US * 1000); 2074 2075 /* 2076 * TX burst queue drain 2077 */ 2078 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 2079 if (tx_conf->tx_mbufs[portid].len == 0) 2080 continue; 2081 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2082 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid); 2083 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2084 tx_conf->tx_mbufs[portid].len = 0; 2085 } 2086 2087 } 2088 } 2089 2090 static void 2091 lthread_rx(void *dummy) 2092 { 2093 int ret; 2094 uint16_t nb_rx; 2095 int i; 2096 uint8_t portid, queueid; 2097 int worker_id; 2098 int len[RTE_MAX_LCORE] = { 0 }; 2099 int old_len, new_len; 2100 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2101 struct thread_rx_conf *rx_conf; 2102 2103 rx_conf = (struct thread_rx_conf *)dummy; 2104 lthread_set_data((void *)rx_conf); 2105 2106 /* 2107 * Move this lthread to lcore 2108 */ 2109 lthread_set_affinity(rx_conf->conf.lcore_id); 2110 2111 if (rx_conf->n_rx_queue == 0) { 2112 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", rte_lcore_id()); 2113 return; 2114 } 2115 2116 RTE_LOG(INFO, L3FWD, "Entering main Rx loop on lcore %u\n", rte_lcore_id()); 2117 2118 for (i = 0; i < rx_conf->n_rx_queue; i++) { 2119 2120 portid = rx_conf->rx_queue_list[i].port_id; 2121 queueid = rx_conf->rx_queue_list[i].queue_id; 2122 RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", 2123 rte_lcore_id(), portid, queueid); 2124 } 2125 2126 /* 2127 * Init all condition variables (one per rx thread) 2128 */ 2129 for (i = 0; i < rx_conf->n_rx_queue; i++) 2130 lthread_cond_init(NULL, &rx_conf->ready[i], NULL); 2131 2132 worker_id = 0; 2133 2134 rx_conf->conf.cpu_id = sched_getcpu(); 2135 rte_atomic16_inc(&rx_counter); 2136 while (1) { 2137 2138 /* 2139 * Read packet from RX queues 2140 */ 2141 for (i = 0; i < rx_conf->n_rx_queue; ++i) { 2142 portid = rx_conf->rx_queue_list[i].port_id; 2143 queueid = rx_conf->rx_queue_list[i].queue_id; 2144 2145 SET_CPU_BUSY(rx_conf, CPU_POLL); 2146 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 2147 MAX_PKT_BURST); 2148 SET_CPU_IDLE(rx_conf, CPU_POLL); 2149 2150 if (nb_rx != 0) { 2151 worker_id = (worker_id + 1) % rx_conf->n_ring; 2152 old_len = len[worker_id]; 2153 2154 SET_CPU_BUSY(rx_conf, CPU_PROCESS); 2155 ret = rte_ring_sp_enqueue_burst( 2156 rx_conf->ring[worker_id], 2157 (void **) pkts_burst, 2158 nb_rx); 2159 2160 new_len = old_len + ret; 2161 2162 if (new_len >= BURST_SIZE) { 2163 lthread_cond_signal(rx_conf->ready[worker_id]); 2164 new_len = 0; 2165 } 2166 2167 len[worker_id] = new_len; 2168 2169 if (unlikely(ret < nb_rx)) { 2170 uint32_t k; 2171 2172 for (k = ret; k < nb_rx; k++) { 2173 struct rte_mbuf *m = pkts_burst[k]; 2174 2175 rte_pktmbuf_free(m); 2176 } 2177 } 2178 SET_CPU_IDLE(rx_conf, CPU_PROCESS); 2179 } 2180 2181 lthread_yield(); 2182 } 2183 } 2184 } 2185 2186 /* 2187 * Start scheduler with initial lthread on lcore 2188 * 2189 * This lthread loop spawns all rx and tx lthreads on master lcore 2190 */ 2191 2192 static void 2193 lthread_spawner(__rte_unused void *arg) { 2194 struct lthread *lt[MAX_THREAD]; 2195 int i; 2196 int n_thread = 0; 2197 2198 printf("Entering lthread_spawner\n"); 2199 2200 /* 2201 * Create producers (rx threads) on default lcore 2202 */ 2203 for (i = 0; i < n_rx_thread; i++) { 2204 rx_thread[i].conf.thread_id = i; 2205 lthread_create(<[n_thread], -1, lthread_rx, 2206 (void *)&rx_thread[i]); 2207 n_thread++; 2208 } 2209 2210 /* 2211 * Wait for all producers. Until some producers can be started on the same 2212 * scheduler as this lthread, yielding is required to let them to run and 2213 * prevent deadlock here. 2214 */ 2215 while (rte_atomic16_read(&rx_counter) < n_rx_thread) 2216 lthread_sleep(100000); 2217 2218 /* 2219 * Create consumers (tx threads) on default lcore_id 2220 */ 2221 for (i = 0; i < n_tx_thread; i++) { 2222 tx_thread[i].conf.thread_id = i; 2223 lthread_create(<[n_thread], -1, lthread_tx, 2224 (void *)&tx_thread[i]); 2225 n_thread++; 2226 } 2227 2228 /* 2229 * Wait for all threads finished 2230 */ 2231 for (i = 0; i < n_thread; i++) 2232 lthread_join(lt[i], NULL); 2233 2234 } 2235 2236 /* 2237 * Start master scheduler with initial lthread spawning rx and tx lthreads 2238 * (main_lthread_master). 2239 */ 2240 static int 2241 lthread_master_spawner(__rte_unused void *arg) { 2242 struct lthread *lt; 2243 int lcore_id = rte_lcore_id(); 2244 2245 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2246 lthread_create(<, -1, lthread_spawner, NULL); 2247 lthread_run(); 2248 2249 return 0; 2250 } 2251 2252 /* 2253 * Start scheduler on lcore. 2254 */ 2255 static int 2256 sched_spawner(__rte_unused void *arg) { 2257 struct lthread *lt; 2258 int lcore_id = rte_lcore_id(); 2259 2260 #if (APP_CPU_LOAD) 2261 if (lcore_id == cpu_load_lcore_id) { 2262 cpu_load_collector(arg); 2263 return 0; 2264 } 2265 #endif /* APP_CPU_LOAD */ 2266 2267 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2268 lthread_create(<, -1, lthread_null, NULL); 2269 lthread_run(); 2270 2271 return 0; 2272 } 2273 2274 /* main processing loop */ 2275 static int 2276 pthread_tx(void *dummy) 2277 { 2278 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2279 uint64_t prev_tsc, diff_tsc, cur_tsc; 2280 int nb_rx; 2281 uint8_t portid; 2282 struct thread_tx_conf *tx_conf; 2283 2284 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 2285 US_PER_S * BURST_TX_DRAIN_US; 2286 2287 prev_tsc = 0; 2288 2289 tx_conf = (struct thread_tx_conf *)dummy; 2290 2291 RTE_LOG(INFO, L3FWD, "Entering main Tx loop on lcore %u\n", rte_lcore_id()); 2292 2293 tx_conf->conf.cpu_id = sched_getcpu(); 2294 rte_atomic16_inc(&tx_counter); 2295 while (1) { 2296 2297 cur_tsc = rte_rdtsc(); 2298 2299 /* 2300 * TX burst queue drain 2301 */ 2302 diff_tsc = cur_tsc - prev_tsc; 2303 if (unlikely(diff_tsc > drain_tsc)) { 2304 2305 /* 2306 * This could be optimized (use queueid instead of 2307 * portid), but it is not called so often 2308 */ 2309 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2310 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 2311 if (tx_conf->tx_mbufs[portid].len == 0) 2312 continue; 2313 send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid); 2314 tx_conf->tx_mbufs[portid].len = 0; 2315 } 2316 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2317 2318 prev_tsc = cur_tsc; 2319 } 2320 2321 /* 2322 * Read packet from ring 2323 */ 2324 SET_CPU_BUSY(tx_conf, CPU_POLL); 2325 nb_rx = rte_ring_sc_dequeue_burst(tx_conf->ring, 2326 (void **)pkts_burst, MAX_PKT_BURST); 2327 SET_CPU_IDLE(tx_conf, CPU_POLL); 2328 2329 if (unlikely(nb_rx == 0)) { 2330 sched_yield(); 2331 continue; 2332 } 2333 2334 SET_CPU_BUSY(tx_conf, CPU_PROCESS); 2335 portid = pkts_burst[0]->port; 2336 process_burst(pkts_burst, nb_rx, portid); 2337 SET_CPU_IDLE(tx_conf, CPU_PROCESS); 2338 2339 } 2340 } 2341 2342 static int 2343 pthread_rx(void *dummy) 2344 { 2345 int i; 2346 int worker_id; 2347 uint32_t n; 2348 uint32_t nb_rx; 2349 unsigned lcore_id; 2350 uint8_t portid, queueid; 2351 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 2352 2353 struct thread_rx_conf *rx_conf; 2354 2355 lcore_id = rte_lcore_id(); 2356 rx_conf = (struct thread_rx_conf *)dummy; 2357 2358 if (rx_conf->n_rx_queue == 0) { 2359 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id); 2360 return 0; 2361 } 2362 2363 RTE_LOG(INFO, L3FWD, "entering main rx loop on lcore %u\n", lcore_id); 2364 2365 for (i = 0; i < rx_conf->n_rx_queue; i++) { 2366 2367 portid = rx_conf->rx_queue_list[i].port_id; 2368 queueid = rx_conf->rx_queue_list[i].queue_id; 2369 RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", 2370 lcore_id, portid, queueid); 2371 } 2372 2373 worker_id = 0; 2374 rx_conf->conf.cpu_id = sched_getcpu(); 2375 rte_atomic16_inc(&rx_counter); 2376 while (1) { 2377 2378 /* 2379 * Read packet from RX queues 2380 */ 2381 for (i = 0; i < rx_conf->n_rx_queue; ++i) { 2382 portid = rx_conf->rx_queue_list[i].port_id; 2383 queueid = rx_conf->rx_queue_list[i].queue_id; 2384 2385 SET_CPU_BUSY(rx_conf, CPU_POLL); 2386 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst, 2387 MAX_PKT_BURST); 2388 SET_CPU_IDLE(rx_conf, CPU_POLL); 2389 2390 if (nb_rx == 0) { 2391 sched_yield(); 2392 continue; 2393 } 2394 2395 SET_CPU_BUSY(rx_conf, CPU_PROCESS); 2396 worker_id = (worker_id + 1) % rx_conf->n_ring; 2397 n = rte_ring_sp_enqueue_burst(rx_conf->ring[worker_id], 2398 (void **)pkts_burst, nb_rx); 2399 2400 if (unlikely(n != nb_rx)) { 2401 uint32_t k; 2402 2403 for (k = n; k < nb_rx; k++) { 2404 struct rte_mbuf *m = pkts_burst[k]; 2405 2406 rte_pktmbuf_free(m); 2407 } 2408 } 2409 2410 SET_CPU_IDLE(rx_conf, CPU_PROCESS); 2411 2412 } 2413 } 2414 } 2415 2416 /* 2417 * P-Thread spawner. 2418 */ 2419 static int 2420 pthread_run(__rte_unused void *arg) { 2421 int lcore_id = rte_lcore_id(); 2422 int i; 2423 2424 for (i = 0; i < n_rx_thread; i++) 2425 if (rx_thread[i].conf.lcore_id == lcore_id) { 2426 printf("Start rx thread on %d...\n", lcore_id); 2427 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2428 RTE_PER_LCORE(lcore_conf)->data = (void *)&rx_thread[i]; 2429 pthread_rx((void *)&rx_thread[i]); 2430 return 0; 2431 } 2432 2433 for (i = 0; i < n_tx_thread; i++) 2434 if (tx_thread[i].conf.lcore_id == lcore_id) { 2435 printf("Start tx thread on %d...\n", lcore_id); 2436 RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id]; 2437 RTE_PER_LCORE(lcore_conf)->data = (void *)&tx_thread[i]; 2438 pthread_tx((void *)&tx_thread[i]); 2439 return 0; 2440 } 2441 2442 #if (APP_CPU_LOAD) 2443 if (lcore_id == cpu_load_lcore_id) 2444 cpu_load_collector(arg); 2445 #endif /* APP_CPU_LOAD */ 2446 2447 return 0; 2448 } 2449 2450 static int 2451 check_lcore_params(void) 2452 { 2453 uint8_t queue, lcore; 2454 uint16_t i; 2455 int socketid; 2456 2457 for (i = 0; i < nb_rx_thread_params; ++i) { 2458 queue = rx_thread_params[i].queue_id; 2459 if (queue >= MAX_RX_QUEUE_PER_PORT) { 2460 printf("invalid queue number: %hhu\n", queue); 2461 return -1; 2462 } 2463 lcore = rx_thread_params[i].lcore_id; 2464 if (!rte_lcore_is_enabled(lcore)) { 2465 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore); 2466 return -1; 2467 } 2468 socketid = rte_lcore_to_socket_id(lcore); 2469 if ((socketid != 0) && (numa_on == 0)) 2470 printf("warning: lcore %hhu is on socket %d with numa off\n", 2471 lcore, socketid); 2472 } 2473 return 0; 2474 } 2475 2476 static int 2477 check_port_config(const unsigned nb_ports) 2478 { 2479 unsigned portid; 2480 uint16_t i; 2481 2482 for (i = 0; i < nb_rx_thread_params; ++i) { 2483 portid = rx_thread_params[i].port_id; 2484 if ((enabled_port_mask & (1 << portid)) == 0) { 2485 printf("port %u is not enabled in port mask\n", portid); 2486 return -1; 2487 } 2488 if (portid >= nb_ports) { 2489 printf("port %u is not present on the board\n", portid); 2490 return -1; 2491 } 2492 } 2493 return 0; 2494 } 2495 2496 static uint8_t 2497 get_port_n_rx_queues(const uint8_t port) 2498 { 2499 int queue = -1; 2500 uint16_t i; 2501 2502 for (i = 0; i < nb_rx_thread_params; ++i) 2503 if (rx_thread_params[i].port_id == port && 2504 rx_thread_params[i].queue_id > queue) 2505 queue = rx_thread_params[i].queue_id; 2506 2507 return (uint8_t)(++queue); 2508 } 2509 2510 static int 2511 init_rx_rings(void) 2512 { 2513 unsigned socket_io; 2514 struct thread_rx_conf *rx_conf; 2515 struct thread_tx_conf *tx_conf; 2516 unsigned rx_thread_id, tx_thread_id; 2517 char name[256]; 2518 struct rte_ring *ring = NULL; 2519 2520 for (tx_thread_id = 0; tx_thread_id < n_tx_thread; tx_thread_id++) { 2521 2522 tx_conf = &tx_thread[tx_thread_id]; 2523 2524 printf("Connecting tx-thread %d with rx-thread %d\n", tx_thread_id, 2525 tx_conf->conf.thread_id); 2526 2527 rx_thread_id = tx_conf->conf.thread_id; 2528 if (rx_thread_id > n_tx_thread) { 2529 printf("connection from tx-thread %u to rx-thread %u fails " 2530 "(rx-thread not defined)\n", tx_thread_id, rx_thread_id); 2531 return -1; 2532 } 2533 2534 rx_conf = &rx_thread[rx_thread_id]; 2535 socket_io = rte_lcore_to_socket_id(rx_conf->conf.lcore_id); 2536 2537 snprintf(name, sizeof(name), "app_ring_s%u_rx%u_tx%u", 2538 socket_io, rx_thread_id, tx_thread_id); 2539 2540 ring = rte_ring_create(name, 1024 * 4, socket_io, 2541 RING_F_SP_ENQ | RING_F_SC_DEQ); 2542 2543 if (ring == NULL) { 2544 rte_panic("Cannot create ring to connect rx-thread %u " 2545 "with tx-thread %u\n", rx_thread_id, tx_thread_id); 2546 } 2547 2548 rx_conf->ring[rx_conf->n_ring] = ring; 2549 2550 tx_conf->ring = ring; 2551 tx_conf->ready = &rx_conf->ready[rx_conf->n_ring]; 2552 2553 rx_conf->n_ring++; 2554 } 2555 return 0; 2556 } 2557 2558 static int 2559 init_rx_queues(void) 2560 { 2561 uint16_t i, nb_rx_queue; 2562 uint8_t thread; 2563 2564 n_rx_thread = 0; 2565 2566 for (i = 0; i < nb_rx_thread_params; ++i) { 2567 thread = rx_thread_params[i].thread_id; 2568 nb_rx_queue = rx_thread[thread].n_rx_queue; 2569 2570 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { 2571 printf("error: too many queues (%u) for thread: %u\n", 2572 (unsigned)nb_rx_queue + 1, (unsigned)thread); 2573 return -1; 2574 } 2575 2576 rx_thread[thread].conf.thread_id = thread; 2577 rx_thread[thread].conf.lcore_id = rx_thread_params[i].lcore_id; 2578 rx_thread[thread].rx_queue_list[nb_rx_queue].port_id = 2579 rx_thread_params[i].port_id; 2580 rx_thread[thread].rx_queue_list[nb_rx_queue].queue_id = 2581 rx_thread_params[i].queue_id; 2582 rx_thread[thread].n_rx_queue++; 2583 2584 if (thread >= n_rx_thread) 2585 n_rx_thread = thread + 1; 2586 2587 } 2588 return 0; 2589 } 2590 2591 static int 2592 init_tx_threads(void) 2593 { 2594 int i; 2595 2596 n_tx_thread = 0; 2597 for (i = 0; i < nb_tx_thread_params; ++i) { 2598 tx_thread[n_tx_thread].conf.thread_id = tx_thread_params[i].thread_id; 2599 tx_thread[n_tx_thread].conf.lcore_id = tx_thread_params[i].lcore_id; 2600 n_tx_thread++; 2601 } 2602 return 0; 2603 } 2604 2605 /* display usage */ 2606 static void 2607 print_usage(const char *prgname) 2608 { 2609 printf("%s [EAL options] -- -p PORTMASK -P" 2610 " [--rx (port,queue,lcore,thread)[,(port,queue,lcore,thread]]" 2611 " [--tx (lcore,thread)[,(lcore,thread]]" 2612 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n" 2613 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 2614 " -P : enable promiscuous mode\n" 2615 " --rx (port,queue,lcore,thread): rx queues configuration\n" 2616 " --tx (lcore,thread): tx threads configuration\n" 2617 " --stat-lcore LCORE: use lcore for stat collector\n" 2618 " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n" 2619 " --no-numa: optional, disable numa awareness\n" 2620 " --ipv6: optional, specify it if running ipv6 packets\n" 2621 " --enable-jumbo: enable jumbo frame" 2622 " which max packet len is PKTLEN in decimal (64-9600)\n" 2623 " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n" 2624 " --no-lthreads: turn off lthread model\n", 2625 prgname); 2626 } 2627 2628 static int parse_max_pkt_len(const char *pktlen) 2629 { 2630 char *end = NULL; 2631 unsigned long len; 2632 2633 /* parse decimal string */ 2634 len = strtoul(pktlen, &end, 10); 2635 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) 2636 return -1; 2637 2638 if (len == 0) 2639 return -1; 2640 2641 return len; 2642 } 2643 2644 static int 2645 parse_portmask(const char *portmask) 2646 { 2647 char *end = NULL; 2648 unsigned long pm; 2649 2650 /* parse hexadecimal string */ 2651 pm = strtoul(portmask, &end, 16); 2652 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 2653 return -1; 2654 2655 if (pm == 0) 2656 return -1; 2657 2658 return pm; 2659 } 2660 2661 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2662 static int 2663 parse_hash_entry_number(const char *hash_entry_num) 2664 { 2665 char *end = NULL; 2666 unsigned long hash_en; 2667 2668 /* parse hexadecimal string */ 2669 hash_en = strtoul(hash_entry_num, &end, 16); 2670 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0')) 2671 return -1; 2672 2673 if (hash_en == 0) 2674 return -1; 2675 2676 return hash_en; 2677 } 2678 #endif 2679 2680 static int 2681 parse_rx_config(const char *q_arg) 2682 { 2683 char s[256]; 2684 const char *p, *p0 = q_arg; 2685 char *end; 2686 enum fieldnames { 2687 FLD_PORT = 0, 2688 FLD_QUEUE, 2689 FLD_LCORE, 2690 FLD_THREAD, 2691 _NUM_FLD 2692 }; 2693 unsigned long int_fld[_NUM_FLD]; 2694 char *str_fld[_NUM_FLD]; 2695 int i; 2696 unsigned size; 2697 2698 nb_rx_thread_params = 0; 2699 2700 while ((p = strchr(p0, '(')) != NULL) { 2701 ++p; 2702 p0 = strchr(p, ')'); 2703 if (p0 == NULL) 2704 return -1; 2705 2706 size = p0 - p; 2707 if (size >= sizeof(s)) 2708 return -1; 2709 2710 snprintf(s, sizeof(s), "%.*s", size, p); 2711 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 2712 return -1; 2713 for (i = 0; i < _NUM_FLD; i++) { 2714 errno = 0; 2715 int_fld[i] = strtoul(str_fld[i], &end, 0); 2716 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 2717 return -1; 2718 } 2719 if (nb_rx_thread_params >= MAX_LCORE_PARAMS) { 2720 printf("exceeded max number of rx params: %hu\n", 2721 nb_rx_thread_params); 2722 return -1; 2723 } 2724 rx_thread_params_array[nb_rx_thread_params].port_id = 2725 (uint8_t)int_fld[FLD_PORT]; 2726 rx_thread_params_array[nb_rx_thread_params].queue_id = 2727 (uint8_t)int_fld[FLD_QUEUE]; 2728 rx_thread_params_array[nb_rx_thread_params].lcore_id = 2729 (uint8_t)int_fld[FLD_LCORE]; 2730 rx_thread_params_array[nb_rx_thread_params].thread_id = 2731 (uint8_t)int_fld[FLD_THREAD]; 2732 ++nb_rx_thread_params; 2733 } 2734 rx_thread_params = rx_thread_params_array; 2735 return 0; 2736 } 2737 2738 static int 2739 parse_tx_config(const char *q_arg) 2740 { 2741 char s[256]; 2742 const char *p, *p0 = q_arg; 2743 char *end; 2744 enum fieldnames { 2745 FLD_LCORE = 0, 2746 FLD_THREAD, 2747 _NUM_FLD 2748 }; 2749 unsigned long int_fld[_NUM_FLD]; 2750 char *str_fld[_NUM_FLD]; 2751 int i; 2752 unsigned size; 2753 2754 nb_tx_thread_params = 0; 2755 2756 while ((p = strchr(p0, '(')) != NULL) { 2757 ++p; 2758 p0 = strchr(p, ')'); 2759 if (p0 == NULL) 2760 return -1; 2761 2762 size = p0 - p; 2763 if (size >= sizeof(s)) 2764 return -1; 2765 2766 snprintf(s, sizeof(s), "%.*s", size, p); 2767 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 2768 return -1; 2769 for (i = 0; i < _NUM_FLD; i++) { 2770 errno = 0; 2771 int_fld[i] = strtoul(str_fld[i], &end, 0); 2772 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 2773 return -1; 2774 } 2775 if (nb_tx_thread_params >= MAX_LCORE_PARAMS) { 2776 printf("exceeded max number of tx params: %hu\n", 2777 nb_tx_thread_params); 2778 return -1; 2779 } 2780 tx_thread_params_array[nb_tx_thread_params].lcore_id = 2781 (uint8_t)int_fld[FLD_LCORE]; 2782 tx_thread_params_array[nb_tx_thread_params].thread_id = 2783 (uint8_t)int_fld[FLD_THREAD]; 2784 ++nb_tx_thread_params; 2785 } 2786 tx_thread_params = tx_thread_params_array; 2787 2788 return 0; 2789 } 2790 2791 #if (APP_CPU_LOAD > 0) 2792 static int 2793 parse_stat_lcore(const char *stat_lcore) 2794 { 2795 char *end = NULL; 2796 unsigned long lcore_id; 2797 2798 lcore_id = strtoul(stat_lcore, &end, 10); 2799 if ((stat_lcore[0] == '\0') || (end == NULL) || (*end != '\0')) 2800 return -1; 2801 2802 return lcore_id; 2803 } 2804 #endif 2805 2806 static void 2807 parse_eth_dest(const char *optarg) 2808 { 2809 uint8_t portid; 2810 char *port_end; 2811 uint8_t c, *dest, peer_addr[6]; 2812 2813 errno = 0; 2814 portid = strtoul(optarg, &port_end, 10); 2815 if (errno != 0 || port_end == optarg || *port_end++ != ',') 2816 rte_exit(EXIT_FAILURE, 2817 "Invalid eth-dest: %s", optarg); 2818 if (portid >= RTE_MAX_ETHPORTS) 2819 rte_exit(EXIT_FAILURE, 2820 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", 2821 portid, RTE_MAX_ETHPORTS); 2822 2823 if (cmdline_parse_etheraddr(NULL, port_end, 2824 &peer_addr, sizeof(peer_addr)) < 0) 2825 rte_exit(EXIT_FAILURE, 2826 "Invalid ethernet address: %s\n", 2827 port_end); 2828 dest = (uint8_t *)&dest_eth_addr[portid]; 2829 for (c = 0; c < 6; c++) 2830 dest[c] = peer_addr[c]; 2831 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 2832 } 2833 2834 #define CMD_LINE_OPT_RX_CONFIG "rx" 2835 #define CMD_LINE_OPT_TX_CONFIG "tx" 2836 #define CMD_LINE_OPT_STAT_LCORE "stat-lcore" 2837 #define CMD_LINE_OPT_ETH_DEST "eth-dest" 2838 #define CMD_LINE_OPT_NO_NUMA "no-numa" 2839 #define CMD_LINE_OPT_IPV6 "ipv6" 2840 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" 2841 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" 2842 #define CMD_LINE_OPT_NO_LTHREADS "no-lthreads" 2843 2844 /* Parse the argument given in the command line of the application */ 2845 static int 2846 parse_args(int argc, char **argv) 2847 { 2848 int opt, ret; 2849 char **argvopt; 2850 int option_index; 2851 char *prgname = argv[0]; 2852 static struct option lgopts[] = { 2853 {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0}, 2854 {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0}, 2855 {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0}, 2856 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0}, 2857 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0}, 2858 {CMD_LINE_OPT_IPV6, 0, 0, 0}, 2859 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0}, 2860 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0}, 2861 {CMD_LINE_OPT_NO_LTHREADS, 0, 0, 0}, 2862 {NULL, 0, 0, 0} 2863 }; 2864 2865 argvopt = argv; 2866 2867 while ((opt = getopt_long(argc, argvopt, "p:P", 2868 lgopts, &option_index)) != EOF) { 2869 2870 switch (opt) { 2871 /* portmask */ 2872 case 'p': 2873 enabled_port_mask = parse_portmask(optarg); 2874 if (enabled_port_mask == 0) { 2875 printf("invalid portmask\n"); 2876 print_usage(prgname); 2877 return -1; 2878 } 2879 break; 2880 case 'P': 2881 printf("Promiscuous mode selected\n"); 2882 promiscuous_on = 1; 2883 break; 2884 2885 /* long options */ 2886 case 0: 2887 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_RX_CONFIG, 2888 sizeof(CMD_LINE_OPT_RX_CONFIG))) { 2889 ret = parse_rx_config(optarg); 2890 if (ret) { 2891 printf("invalid rx-config\n"); 2892 print_usage(prgname); 2893 return -1; 2894 } 2895 } 2896 2897 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG, 2898 sizeof(CMD_LINE_OPT_TX_CONFIG))) { 2899 ret = parse_tx_config(optarg); 2900 if (ret) { 2901 printf("invalid tx-config\n"); 2902 print_usage(prgname); 2903 return -1; 2904 } 2905 } 2906 2907 #if (APP_CPU_LOAD > 0) 2908 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE, 2909 sizeof(CMD_LINE_OPT_STAT_LCORE))) { 2910 cpu_load_lcore_id = parse_stat_lcore(optarg); 2911 } 2912 #endif 2913 2914 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST, 2915 sizeof(CMD_LINE_OPT_ETH_DEST))) 2916 parse_eth_dest(optarg); 2917 2918 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA, 2919 sizeof(CMD_LINE_OPT_NO_NUMA))) { 2920 printf("numa is disabled\n"); 2921 numa_on = 0; 2922 } 2923 2924 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2925 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6, 2926 sizeof(CMD_LINE_OPT_IPV6))) { 2927 printf("ipv6 is specified\n"); 2928 ipv6 = 1; 2929 } 2930 #endif 2931 2932 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS, 2933 sizeof(CMD_LINE_OPT_NO_LTHREADS))) { 2934 printf("l-threads model is disabled\n"); 2935 lthreads_on = 0; 2936 } 2937 2938 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO, 2939 sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) { 2940 struct option lenopts = {"max-pkt-len", required_argument, 0, 2941 0}; 2942 2943 printf("jumbo frame is enabled - disabling simple TX path\n"); 2944 port_conf.rxmode.jumbo_frame = 1; 2945 2946 /* if no max-pkt-len set, use the default value ETHER_MAX_LEN */ 2947 if (0 == getopt_long(argc, argvopt, "", &lenopts, 2948 &option_index)) { 2949 2950 ret = parse_max_pkt_len(optarg); 2951 if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) { 2952 printf("invalid packet length\n"); 2953 print_usage(prgname); 2954 return -1; 2955 } 2956 port_conf.rxmode.max_rx_pkt_len = ret; 2957 } 2958 printf("set jumbo frame max packet length to %u\n", 2959 (unsigned int)port_conf.rxmode.max_rx_pkt_len); 2960 } 2961 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 2962 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM, 2963 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) { 2964 ret = parse_hash_entry_number(optarg); 2965 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { 2966 hash_entry_number = ret; 2967 } else { 2968 printf("invalid hash entry number\n"); 2969 print_usage(prgname); 2970 return -1; 2971 } 2972 } 2973 #endif 2974 break; 2975 2976 default: 2977 print_usage(prgname); 2978 return -1; 2979 } 2980 } 2981 2982 if (optind >= 0) 2983 argv[optind-1] = prgname; 2984 2985 ret = optind-1; 2986 optind = 0; /* reset getopt lib */ 2987 return ret; 2988 } 2989 2990 static void 2991 print_ethaddr(const char *name, const struct ether_addr *eth_addr) 2992 { 2993 char buf[ETHER_ADDR_FMT_SIZE]; 2994 2995 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); 2996 printf("%s%s", name, buf); 2997 } 2998 2999 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) 3000 3001 static void convert_ipv4_5tuple(struct ipv4_5tuple *key1, 3002 union ipv4_5tuple_host *key2) 3003 { 3004 key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst); 3005 key2->ip_src = rte_cpu_to_be_32(key1->ip_src); 3006 key2->port_dst = rte_cpu_to_be_16(key1->port_dst); 3007 key2->port_src = rte_cpu_to_be_16(key1->port_src); 3008 key2->proto = key1->proto; 3009 key2->pad0 = 0; 3010 key2->pad1 = 0; 3011 } 3012 3013 static void convert_ipv6_5tuple(struct ipv6_5tuple *key1, 3014 union ipv6_5tuple_host *key2) 3015 { 3016 uint32_t i; 3017 3018 for (i = 0; i < 16; i++) { 3019 key2->ip_dst[i] = key1->ip_dst[i]; 3020 key2->ip_src[i] = key1->ip_src[i]; 3021 } 3022 key2->port_dst = rte_cpu_to_be_16(key1->port_dst); 3023 key2->port_src = rte_cpu_to_be_16(key1->port_src); 3024 key2->proto = key1->proto; 3025 key2->pad0 = 0; 3026 key2->pad1 = 0; 3027 key2->reserve = 0; 3028 } 3029 3030 #define BYTE_VALUE_MAX 256 3031 #define ALL_32_BITS 0xffffffff 3032 #define BIT_8_TO_15 0x0000ff00 3033 static inline void 3034 populate_ipv4_few_flow_into_table(const struct rte_hash *h) 3035 { 3036 uint32_t i; 3037 int32_t ret; 3038 uint32_t array_len = RTE_DIM(ipv4_l3fwd_route_array); 3039 3040 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15); 3041 for (i = 0; i < array_len; i++) { 3042 struct ipv4_l3fwd_route entry; 3043 union ipv4_5tuple_host newkey; 3044 3045 entry = ipv4_l3fwd_route_array[i]; 3046 convert_ipv4_5tuple(&entry.key, &newkey); 3047 ret = rte_hash_add_key(h, (void *)&newkey); 3048 if (ret < 0) { 3049 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32 3050 " to the l3fwd hash.\n", i); 3051 } 3052 ipv4_l3fwd_out_if[ret] = entry.if_out; 3053 } 3054 printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len); 3055 } 3056 3057 #define BIT_16_TO_23 0x00ff0000 3058 static inline void 3059 populate_ipv6_few_flow_into_table(const struct rte_hash *h) 3060 { 3061 uint32_t i; 3062 int32_t ret; 3063 uint32_t array_len = RTE_DIM(ipv6_l3fwd_route_array); 3064 3065 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23); 3066 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS); 3067 for (i = 0; i < array_len; i++) { 3068 struct ipv6_l3fwd_route entry; 3069 union ipv6_5tuple_host newkey; 3070 3071 entry = ipv6_l3fwd_route_array[i]; 3072 convert_ipv6_5tuple(&entry.key, &newkey); 3073 ret = rte_hash_add_key(h, (void *)&newkey); 3074 if (ret < 0) { 3075 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32 3076 " to the l3fwd hash.\n", i); 3077 } 3078 ipv6_l3fwd_out_if[ret] = entry.if_out; 3079 } 3080 printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len); 3081 } 3082 3083 #define NUMBER_PORT_USED 4 3084 static inline void 3085 populate_ipv4_many_flow_into_table(const struct rte_hash *h, 3086 unsigned int nr_flow) 3087 { 3088 unsigned i; 3089 3090 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15); 3091 3092 for (i = 0; i < nr_flow; i++) { 3093 struct ipv4_l3fwd_route entry; 3094 union ipv4_5tuple_host newkey; 3095 uint8_t a = (uint8_t)((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX); 3096 uint8_t b = (uint8_t)(((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) % 3097 BYTE_VALUE_MAX); 3098 uint8_t c = (uint8_t)((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX * 3099 BYTE_VALUE_MAX)); 3100 /* Create the ipv4 exact match flow */ 3101 memset(&entry, 0, sizeof(entry)); 3102 switch (i & (NUMBER_PORT_USED - 1)) { 3103 case 0: 3104 entry = ipv4_l3fwd_route_array[0]; 3105 entry.key.ip_dst = IPv4(101, c, b, a); 3106 break; 3107 case 1: 3108 entry = ipv4_l3fwd_route_array[1]; 3109 entry.key.ip_dst = IPv4(201, c, b, a); 3110 break; 3111 case 2: 3112 entry = ipv4_l3fwd_route_array[2]; 3113 entry.key.ip_dst = IPv4(111, c, b, a); 3114 break; 3115 case 3: 3116 entry = ipv4_l3fwd_route_array[3]; 3117 entry.key.ip_dst = IPv4(211, c, b, a); 3118 break; 3119 }; 3120 convert_ipv4_5tuple(&entry.key, &newkey); 3121 int32_t ret = rte_hash_add_key(h, (void *)&newkey); 3122 3123 if (ret < 0) 3124 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i); 3125 3126 ipv4_l3fwd_out_if[ret] = (uint8_t)entry.if_out; 3127 3128 } 3129 printf("Hash: Adding 0x%x keys\n", nr_flow); 3130 } 3131 3132 static inline void 3133 populate_ipv6_many_flow_into_table(const struct rte_hash *h, 3134 unsigned int nr_flow) 3135 { 3136 unsigned i; 3137 3138 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23); 3139 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS); 3140 for (i = 0; i < nr_flow; i++) { 3141 struct ipv6_l3fwd_route entry; 3142 union ipv6_5tuple_host newkey; 3143 3144 uint8_t a = (uint8_t) ((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX); 3145 uint8_t b = (uint8_t) (((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) % 3146 BYTE_VALUE_MAX); 3147 uint8_t c = (uint8_t) ((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX * 3148 BYTE_VALUE_MAX)); 3149 3150 /* Create the ipv6 exact match flow */ 3151 memset(&entry, 0, sizeof(entry)); 3152 switch (i & (NUMBER_PORT_USED - 1)) { 3153 case 0: 3154 entry = ipv6_l3fwd_route_array[0]; 3155 break; 3156 case 1: 3157 entry = ipv6_l3fwd_route_array[1]; 3158 break; 3159 case 2: 3160 entry = ipv6_l3fwd_route_array[2]; 3161 break; 3162 case 3: 3163 entry = ipv6_l3fwd_route_array[3]; 3164 break; 3165 }; 3166 entry.key.ip_dst[13] = c; 3167 entry.key.ip_dst[14] = b; 3168 entry.key.ip_dst[15] = a; 3169 convert_ipv6_5tuple(&entry.key, &newkey); 3170 int32_t ret = rte_hash_add_key(h, (void *)&newkey); 3171 3172 if (ret < 0) 3173 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i); 3174 3175 ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out; 3176 3177 } 3178 printf("Hash: Adding 0x%x keys\n", nr_flow); 3179 } 3180 3181 static void 3182 setup_hash(int socketid) 3183 { 3184 struct rte_hash_parameters ipv4_l3fwd_hash_params = { 3185 .name = NULL, 3186 .entries = L3FWD_HASH_ENTRIES, 3187 .key_len = sizeof(union ipv4_5tuple_host), 3188 .hash_func = ipv4_hash_crc, 3189 .hash_func_init_val = 0, 3190 }; 3191 3192 struct rte_hash_parameters ipv6_l3fwd_hash_params = { 3193 .name = NULL, 3194 .entries = L3FWD_HASH_ENTRIES, 3195 .key_len = sizeof(union ipv6_5tuple_host), 3196 .hash_func = ipv6_hash_crc, 3197 .hash_func_init_val = 0, 3198 }; 3199 3200 char s[64]; 3201 3202 /* create ipv4 hash */ 3203 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid); 3204 ipv4_l3fwd_hash_params.name = s; 3205 ipv4_l3fwd_hash_params.socket_id = socketid; 3206 ipv4_l3fwd_lookup_struct[socketid] = 3207 rte_hash_create(&ipv4_l3fwd_hash_params); 3208 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 3209 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 3210 "socket %d\n", socketid); 3211 3212 /* create ipv6 hash */ 3213 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid); 3214 ipv6_l3fwd_hash_params.name = s; 3215 ipv6_l3fwd_hash_params.socket_id = socketid; 3216 ipv6_l3fwd_lookup_struct[socketid] = 3217 rte_hash_create(&ipv6_l3fwd_hash_params); 3218 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 3219 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on " 3220 "socket %d\n", socketid); 3221 3222 if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) { 3223 /* For testing hash matching with a large number of flows we 3224 * generate millions of IP 5-tuples with an incremented dst 3225 * address to initialize the hash table. */ 3226 if (ipv6 == 0) { 3227 /* populate the ipv4 hash */ 3228 populate_ipv4_many_flow_into_table( 3229 ipv4_l3fwd_lookup_struct[socketid], hash_entry_number); 3230 } else { 3231 /* populate the ipv6 hash */ 3232 populate_ipv6_many_flow_into_table( 3233 ipv6_l3fwd_lookup_struct[socketid], hash_entry_number); 3234 } 3235 } else { 3236 /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize 3237 * the hash table */ 3238 if (ipv6 == 0) { 3239 /* populate the ipv4 hash */ 3240 populate_ipv4_few_flow_into_table( 3241 ipv4_l3fwd_lookup_struct[socketid]); 3242 } else { 3243 /* populate the ipv6 hash */ 3244 populate_ipv6_few_flow_into_table( 3245 ipv6_l3fwd_lookup_struct[socketid]); 3246 } 3247 } 3248 } 3249 #endif 3250 3251 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 3252 static void 3253 setup_lpm(int socketid) 3254 { 3255 struct rte_lpm6_config config; 3256 struct rte_lpm_config lpm_ipv4_config; 3257 unsigned i; 3258 int ret; 3259 char s[64]; 3260 3261 /* create the LPM table */ 3262 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid); 3263 lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES; 3264 lpm_ipv4_config.number_tbl8s = 256; 3265 lpm_ipv4_config.flags = 0; 3266 ipv4_l3fwd_lookup_struct[socketid] = 3267 rte_lpm_create(s, socketid, &lpm_ipv4_config); 3268 if (ipv4_l3fwd_lookup_struct[socketid] == NULL) 3269 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 3270 " on socket %d\n", socketid); 3271 3272 /* populate the LPM table */ 3273 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) { 3274 3275 /* skip unused ports */ 3276 if ((1 << ipv4_l3fwd_route_array[i].if_out & 3277 enabled_port_mask) == 0) 3278 continue; 3279 3280 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid], 3281 ipv4_l3fwd_route_array[i].ip, 3282 ipv4_l3fwd_route_array[i].depth, 3283 ipv4_l3fwd_route_array[i].if_out); 3284 3285 if (ret < 0) { 3286 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 3287 "l3fwd LPM table on socket %d\n", 3288 i, socketid); 3289 } 3290 3291 printf("LPM: Adding route 0x%08x / %d (%d)\n", 3292 (unsigned)ipv4_l3fwd_route_array[i].ip, 3293 ipv4_l3fwd_route_array[i].depth, 3294 ipv4_l3fwd_route_array[i].if_out); 3295 } 3296 3297 /* create the LPM6 table */ 3298 snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid); 3299 3300 config.max_rules = IPV6_L3FWD_LPM_MAX_RULES; 3301 config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S; 3302 config.flags = 0; 3303 ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid, 3304 &config); 3305 if (ipv6_l3fwd_lookup_struct[socketid] == NULL) 3306 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" 3307 " on socket %d\n", socketid); 3308 3309 /* populate the LPM table */ 3310 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) { 3311 3312 /* skip unused ports */ 3313 if ((1 << ipv6_l3fwd_route_array[i].if_out & 3314 enabled_port_mask) == 0) 3315 continue; 3316 3317 ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid], 3318 ipv6_l3fwd_route_array[i].ip, 3319 ipv6_l3fwd_route_array[i].depth, 3320 ipv6_l3fwd_route_array[i].if_out); 3321 3322 if (ret < 0) { 3323 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the " 3324 "l3fwd LPM table on socket %d\n", 3325 i, socketid); 3326 } 3327 3328 printf("LPM: Adding route %s / %d (%d)\n", 3329 "IPV6", 3330 ipv6_l3fwd_route_array[i].depth, 3331 ipv6_l3fwd_route_array[i].if_out); 3332 } 3333 } 3334 #endif 3335 3336 static int 3337 init_mem(unsigned nb_mbuf) 3338 { 3339 struct lcore_conf *qconf; 3340 int socketid; 3341 unsigned lcore_id; 3342 char s[64]; 3343 3344 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 3345 if (rte_lcore_is_enabled(lcore_id) == 0) 3346 continue; 3347 3348 if (numa_on) 3349 socketid = rte_lcore_to_socket_id(lcore_id); 3350 else 3351 socketid = 0; 3352 3353 if (socketid >= NB_SOCKETS) { 3354 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n", 3355 socketid, lcore_id, NB_SOCKETS); 3356 } 3357 if (pktmbuf_pool[socketid] == NULL) { 3358 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); 3359 pktmbuf_pool[socketid] = 3360 rte_pktmbuf_pool_create(s, nb_mbuf, 3361 MEMPOOL_CACHE_SIZE, 0, 3362 RTE_MBUF_DEFAULT_BUF_SIZE, socketid); 3363 if (pktmbuf_pool[socketid] == NULL) 3364 rte_exit(EXIT_FAILURE, 3365 "Cannot init mbuf pool on socket %d\n", socketid); 3366 else 3367 printf("Allocated mbuf pool on socket %d\n", socketid); 3368 3369 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM) 3370 setup_lpm(socketid); 3371 #else 3372 setup_hash(socketid); 3373 #endif 3374 } 3375 qconf = &lcore_conf[lcore_id]; 3376 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid]; 3377 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid]; 3378 } 3379 return 0; 3380 } 3381 3382 /* Check the link status of all ports in up to 9s, and print them finally */ 3383 static void 3384 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 3385 { 3386 #define CHECK_INTERVAL 100 /* 100ms */ 3387 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 3388 uint8_t portid, count, all_ports_up, print_flag = 0; 3389 struct rte_eth_link link; 3390 3391 printf("\nChecking link status"); 3392 fflush(stdout); 3393 for (count = 0; count <= MAX_CHECK_TIME; count++) { 3394 all_ports_up = 1; 3395 for (portid = 0; portid < port_num; portid++) { 3396 if ((port_mask & (1 << portid)) == 0) 3397 continue; 3398 memset(&link, 0, sizeof(link)); 3399 rte_eth_link_get_nowait(portid, &link); 3400 /* print link status if flag set */ 3401 if (print_flag == 1) { 3402 if (link.link_status) 3403 printf("Port %d Link Up - speed %u " 3404 "Mbps - %s\n", (uint8_t)portid, 3405 (unsigned)link.link_speed, 3406 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 3407 ("full-duplex") : ("half-duplex\n")); 3408 else 3409 printf("Port %d Link Down\n", 3410 (uint8_t)portid); 3411 continue; 3412 } 3413 /* clear all_ports_up flag if any link down */ 3414 if (link.link_status == ETH_LINK_DOWN) { 3415 all_ports_up = 0; 3416 break; 3417 } 3418 } 3419 /* after finally printing all link status, get out */ 3420 if (print_flag == 1) 3421 break; 3422 3423 if (all_ports_up == 0) { 3424 printf("."); 3425 fflush(stdout); 3426 rte_delay_ms(CHECK_INTERVAL); 3427 } 3428 3429 /* set the print_flag if all ports up or timeout */ 3430 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 3431 print_flag = 1; 3432 printf("done\n"); 3433 } 3434 } 3435 } 3436 3437 int 3438 main(int argc, char **argv) 3439 { 3440 struct rte_eth_dev_info dev_info; 3441 struct rte_eth_txconf *txconf; 3442 int ret; 3443 int i; 3444 unsigned nb_ports; 3445 uint16_t queueid; 3446 unsigned lcore_id; 3447 uint32_t n_tx_queue, nb_lcores; 3448 uint8_t portid, nb_rx_queue, queue, socketid; 3449 3450 /* init EAL */ 3451 ret = rte_eal_init(argc, argv); 3452 if (ret < 0) 3453 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); 3454 argc -= ret; 3455 argv += ret; 3456 3457 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */ 3458 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 3459 dest_eth_addr[portid] = ETHER_LOCAL_ADMIN_ADDR + 3460 ((uint64_t)portid << 40); 3461 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; 3462 } 3463 3464 /* parse application arguments (after the EAL ones) */ 3465 ret = parse_args(argc, argv); 3466 if (ret < 0) 3467 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); 3468 3469 if (check_lcore_params() < 0) 3470 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); 3471 3472 printf("Initializing rx-queues...\n"); 3473 ret = init_rx_queues(); 3474 if (ret < 0) 3475 rte_exit(EXIT_FAILURE, "init_rx_queues failed\n"); 3476 3477 printf("Initializing tx-threads...\n"); 3478 ret = init_tx_threads(); 3479 if (ret < 0) 3480 rte_exit(EXIT_FAILURE, "init_tx_threads failed\n"); 3481 3482 printf("Initializing rings...\n"); 3483 ret = init_rx_rings(); 3484 if (ret < 0) 3485 rte_exit(EXIT_FAILURE, "init_rx_rings failed\n"); 3486 3487 nb_ports = rte_eth_dev_count(); 3488 3489 if (check_port_config(nb_ports) < 0) 3490 rte_exit(EXIT_FAILURE, "check_port_config failed\n"); 3491 3492 nb_lcores = rte_lcore_count(); 3493 3494 /* initialize all ports */ 3495 for (portid = 0; portid < nb_ports; portid++) { 3496 /* skip ports that are not enabled */ 3497 if ((enabled_port_mask & (1 << portid)) == 0) { 3498 printf("\nSkipping disabled port %d\n", portid); 3499 continue; 3500 } 3501 3502 /* init port */ 3503 printf("Initializing port %d ... ", portid); 3504 fflush(stdout); 3505 3506 nb_rx_queue = get_port_n_rx_queues(portid); 3507 n_tx_queue = nb_lcores; 3508 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) 3509 n_tx_queue = MAX_TX_QUEUE_PER_PORT; 3510 printf("Creating queues: nb_rxq=%d nb_txq=%u... ", 3511 nb_rx_queue, (unsigned)n_tx_queue); 3512 ret = rte_eth_dev_configure(portid, nb_rx_queue, 3513 (uint16_t)n_tx_queue, &port_conf); 3514 if (ret < 0) 3515 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n", 3516 ret, portid); 3517 3518 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); 3519 print_ethaddr(" Address:", &ports_eth_addr[portid]); 3520 printf(", "); 3521 print_ethaddr("Destination:", 3522 (const struct ether_addr *)&dest_eth_addr[portid]); 3523 printf(", "); 3524 3525 /* 3526 * prepare src MACs for each port. 3527 */ 3528 ether_addr_copy(&ports_eth_addr[portid], 3529 (struct ether_addr *)(val_eth + portid) + 1); 3530 3531 /* init memory */ 3532 ret = init_mem(NB_MBUF); 3533 if (ret < 0) 3534 rte_exit(EXIT_FAILURE, "init_mem failed\n"); 3535 3536 /* init one TX queue per couple (lcore,port) */ 3537 queueid = 0; 3538 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { 3539 if (rte_lcore_is_enabled(lcore_id) == 0) 3540 continue; 3541 3542 if (numa_on) 3543 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id); 3544 else 3545 socketid = 0; 3546 3547 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); 3548 fflush(stdout); 3549 3550 rte_eth_dev_info_get(portid, &dev_info); 3551 txconf = &dev_info.default_txconf; 3552 if (port_conf.rxmode.jumbo_frame) 3553 txconf->txq_flags = 0; 3554 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, 3555 socketid, txconf); 3556 if (ret < 0) 3557 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, " 3558 "port=%d\n", ret, portid); 3559 3560 tx_thread[lcore_id].tx_queue_id[portid] = queueid; 3561 queueid++; 3562 } 3563 printf("\n"); 3564 } 3565 3566 for (i = 0; i < n_rx_thread; i++) { 3567 lcore_id = rx_thread[i].conf.lcore_id; 3568 3569 if (rte_lcore_is_enabled(lcore_id) == 0) { 3570 rte_exit(EXIT_FAILURE, 3571 "Cannot start Rx thread on lcore %u: lcore disabled\n", 3572 lcore_id 3573 ); 3574 } 3575 3576 printf("\nInitializing rx queues for Rx thread %d on lcore %u ... ", 3577 i, lcore_id); 3578 fflush(stdout); 3579 3580 /* init RX queues */ 3581 for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) { 3582 portid = rx_thread[i].rx_queue_list[queue].port_id; 3583 queueid = rx_thread[i].rx_queue_list[queue].queue_id; 3584 3585 if (numa_on) 3586 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id); 3587 else 3588 socketid = 0; 3589 3590 printf("rxq=%d,%d,%d ", portid, queueid, socketid); 3591 fflush(stdout); 3592 3593 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, 3594 socketid, 3595 NULL, 3596 pktmbuf_pool[socketid]); 3597 if (ret < 0) 3598 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, " 3599 "port=%d\n", ret, portid); 3600 } 3601 } 3602 3603 printf("\n"); 3604 3605 /* start ports */ 3606 for (portid = 0; portid < nb_ports; portid++) { 3607 if ((enabled_port_mask & (1 << portid)) == 0) 3608 continue; 3609 3610 /* Start device */ 3611 ret = rte_eth_dev_start(portid); 3612 if (ret < 0) 3613 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n", 3614 ret, portid); 3615 3616 /* 3617 * If enabled, put device in promiscuous mode. 3618 * This allows IO forwarding mode to forward packets 3619 * to itself through 2 cross-connected ports of the 3620 * target machine. 3621 */ 3622 if (promiscuous_on) 3623 rte_eth_promiscuous_enable(portid); 3624 } 3625 3626 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask); 3627 3628 if (lthreads_on) { 3629 printf("Starting L-Threading Model\n"); 3630 3631 #if (APP_CPU_LOAD > 0) 3632 if (cpu_load_lcore_id > 0) 3633 /* Use one lcore for cpu load collector */ 3634 nb_lcores--; 3635 #endif 3636 3637 lthread_num_schedulers_set(nb_lcores); 3638 rte_eal_mp_remote_launch(sched_spawner, NULL, SKIP_MASTER); 3639 lthread_master_spawner(NULL); 3640 3641 } else { 3642 printf("Starting P-Threading Model\n"); 3643 /* launch per-lcore init on every lcore */ 3644 rte_eal_mp_remote_launch(pthread_run, NULL, CALL_MASTER); 3645 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 3646 if (rte_eal_wait_lcore(lcore_id) < 0) 3647 return -1; 3648 } 3649 } 3650 3651 return 0; 3652 } 3653