1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2015 Intel Corporation 3 */ 4 5 #include <stdint.h> 6 #include <sys/queue.h> 7 #include <sys/socket.h> 8 #include <stdlib.h> 9 #include <string.h> 10 #include <stdio.h> 11 #include <assert.h> 12 #include <errno.h> 13 #include <signal.h> 14 #include <stdarg.h> 15 #include <inttypes.h> 16 #include <getopt.h> 17 #include <termios.h> 18 #include <unistd.h> 19 #include <pthread.h> 20 21 #include <rte_common.h> 22 #include <rte_log.h> 23 #include <rte_memory.h> 24 #include <rte_memcpy.h> 25 #include <rte_eal.h> 26 #include <rte_launch.h> 27 #include <rte_atomic.h> 28 #include <rte_cycles.h> 29 #include <rte_prefetch.h> 30 #include <rte_lcore.h> 31 #include <rte_per_lcore.h> 32 #include <rte_branch_prediction.h> 33 #include <rte_interrupts.h> 34 #include <rte_random.h> 35 #include <rte_debug.h> 36 #include <rte_ether.h> 37 #include <rte_ethdev.h> 38 #include <rte_mempool.h> 39 #include <rte_mbuf.h> 40 #include <rte_ip.h> 41 #include <rte_tcp.h> 42 #include <rte_arp.h> 43 #include <rte_spinlock.h> 44 45 #include <cmdline_rdline.h> 46 #include <cmdline_parse.h> 47 #include <cmdline_parse_num.h> 48 #include <cmdline_parse_string.h> 49 #include <cmdline_parse_ipaddr.h> 50 #include <cmdline_parse_etheraddr.h> 51 #include <cmdline_socket.h> 52 #include <cmdline.h> 53 54 #include "main.h" 55 56 #include <rte_devargs.h> 57 58 59 #include "rte_byteorder.h" 60 #include "rte_cpuflags.h" 61 #include "rte_eth_bond.h" 62 63 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1 64 65 #define NB_MBUF (1024*8) 66 67 #define MAX_PKT_BURST 32 68 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 69 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */ 70 71 /* 72 * RX and TX Prefetch, Host, and Write-back threshold values should be 73 * carefully set for optimal performance. Consult the network 74 * controller's datasheet and supporting DPDK documentation for guidance 75 * on how these parameters should be set. 76 */ 77 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ 78 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ 79 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ 80 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */ 81 82 /* 83 * These default values are optimized for use with the Intel(R) 82599 10 GbE 84 * Controller and the DPDK ixgbe PMD. Consider using other values for other 85 * network controllers and/or network drivers. 86 */ 87 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ 88 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ 89 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ 90 91 /* 92 * Configurable number of RX/TX ring descriptors 93 */ 94 #define RTE_RX_DESC_DEFAULT 1024 95 #define RTE_TX_DESC_DEFAULT 1024 96 97 #define BOND_IP_1 7 98 #define BOND_IP_2 0 99 #define BOND_IP_3 0 100 #define BOND_IP_4 10 101 102 /* not defined under linux */ 103 #ifndef NIPQUAD 104 #define NIPQUAD_FMT "%u.%u.%u.%u" 105 #endif 106 107 #define MAX_PORTS 4 108 #define PRINT_MAC(addr) printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \ 109 ":%02"PRIx8":%02"PRIx8":%02"PRIx8, \ 110 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \ 111 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]) 112 113 uint16_t slaves[RTE_MAX_ETHPORTS]; 114 uint16_t slaves_count; 115 116 static uint16_t BOND_PORT = 0xffff; 117 118 static struct rte_mempool *mbuf_pool; 119 120 static struct rte_eth_conf port_conf = { 121 .rxmode = { 122 .mq_mode = ETH_MQ_RX_NONE, 123 .max_rx_pkt_len = ETHER_MAX_LEN, 124 .split_hdr_size = 0, 125 .ignore_offload_bitfield = 1, 126 .offloads = DEV_RX_OFFLOAD_CRC_STRIP, 127 }, 128 .rx_adv_conf = { 129 .rss_conf = { 130 .rss_key = NULL, 131 .rss_hf = ETH_RSS_IP, 132 }, 133 }, 134 .txmode = { 135 .mq_mode = ETH_MQ_TX_NONE, 136 }, 137 }; 138 139 static void 140 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool) 141 { 142 int retval; 143 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 144 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 145 struct rte_eth_dev_info dev_info; 146 struct rte_eth_rxconf rxq_conf; 147 struct rte_eth_txconf txq_conf; 148 struct rte_eth_conf local_port_conf = port_conf; 149 150 if (!rte_eth_dev_is_valid_port(portid)) 151 rte_exit(EXIT_FAILURE, "Invalid port\n"); 152 153 rte_eth_dev_info_get(portid, &dev_info); 154 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 155 local_port_conf.txmode.offloads |= 156 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 157 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 158 if (retval != 0) 159 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 160 portid, retval); 161 162 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd); 163 if (retval != 0) 164 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 165 "failed (res=%d)\n", portid, retval); 166 167 /* RX setup */ 168 rxq_conf = dev_info.default_rxconf; 169 rxq_conf.offloads = local_port_conf.rxmode.offloads; 170 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 171 rte_eth_dev_socket_id(portid), 172 &rxq_conf, 173 mbuf_pool); 174 if (retval < 0) 175 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 176 portid, retval); 177 178 /* TX setup */ 179 txq_conf = dev_info.default_txconf; 180 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; 181 txq_conf.offloads = local_port_conf.txmode.offloads; 182 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd, 183 rte_eth_dev_socket_id(portid), &txq_conf); 184 185 if (retval < 0) 186 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 187 portid, retval); 188 189 retval = rte_eth_dev_start(portid); 190 if (retval < 0) 191 rte_exit(retval, 192 "Start port %d failed (res=%d)", 193 portid, retval); 194 195 struct ether_addr addr; 196 197 rte_eth_macaddr_get(portid, &addr); 198 printf("Port %u MAC: ", portid); 199 PRINT_MAC(addr); 200 printf("\n"); 201 } 202 203 static void 204 bond_port_init(struct rte_mempool *mbuf_pool) 205 { 206 int retval; 207 uint8_t i; 208 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 209 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 210 struct rte_eth_dev_info dev_info; 211 struct rte_eth_rxconf rxq_conf; 212 struct rte_eth_txconf txq_conf; 213 struct rte_eth_conf local_port_conf = port_conf; 214 215 retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB, 216 0 /*SOCKET_ID_ANY*/); 217 if (retval < 0) 218 rte_exit(EXIT_FAILURE, 219 "Faled to create bond port\n"); 220 221 BOND_PORT = retval; 222 223 rte_eth_dev_info_get(BOND_PORT, &dev_info); 224 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 225 local_port_conf.txmode.offloads |= 226 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 227 retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf); 228 if (retval != 0) 229 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 230 BOND_PORT, retval); 231 232 retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd); 233 if (retval != 0) 234 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 235 "failed (res=%d)\n", BOND_PORT, retval); 236 237 /* RX setup */ 238 rxq_conf = dev_info.default_rxconf; 239 rxq_conf.offloads = local_port_conf.rxmode.offloads; 240 retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd, 241 rte_eth_dev_socket_id(BOND_PORT), 242 &rxq_conf, mbuf_pool); 243 if (retval < 0) 244 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 245 BOND_PORT, retval); 246 247 /* TX setup */ 248 txq_conf = dev_info.default_txconf; 249 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; 250 txq_conf.offloads = local_port_conf.txmode.offloads; 251 retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd, 252 rte_eth_dev_socket_id(BOND_PORT), &txq_conf); 253 254 if (retval < 0) 255 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 256 BOND_PORT, retval); 257 258 for (i = 0; i < slaves_count; i++) { 259 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1) 260 rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n", 261 slaves[i], BOND_PORT); 262 263 } 264 265 retval = rte_eth_dev_start(BOND_PORT); 266 if (retval < 0) 267 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval); 268 269 rte_eth_promiscuous_enable(BOND_PORT); 270 271 struct ether_addr addr; 272 273 rte_eth_macaddr_get(BOND_PORT, &addr); 274 printf("Port %u MAC: ", (unsigned)BOND_PORT); 275 PRINT_MAC(addr); 276 printf("\n"); 277 } 278 279 static inline size_t 280 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto) 281 { 282 size_t vlan_offset = 0; 283 284 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 285 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); 286 287 vlan_offset = sizeof(struct vlan_hdr); 288 *proto = vlan_hdr->eth_proto; 289 290 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 291 vlan_hdr = vlan_hdr + 1; 292 293 *proto = vlan_hdr->eth_proto; 294 vlan_offset += sizeof(struct vlan_hdr); 295 } 296 } 297 return vlan_offset; 298 } 299 300 struct global_flag_stru_t { 301 int LcoreMainIsRunning; 302 int LcoreMainCore; 303 uint32_t port_packets[4]; 304 rte_spinlock_t lock; 305 }; 306 struct global_flag_stru_t global_flag_stru; 307 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 308 309 /* 310 * Main thread that does the work, reading from INPUT_PORT 311 * and writing to OUTPUT_PORT 312 */ 313 static int lcore_main(__attribute__((unused)) void *arg1) 314 { 315 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 316 struct ether_addr d_addr; 317 318 struct ether_hdr *eth_hdr; 319 struct arp_hdr *arp_hdr; 320 struct ipv4_hdr *ipv4_hdr; 321 uint16_t ether_type, offset; 322 323 uint16_t rx_cnt; 324 uint32_t bond_ip; 325 int i = 0; 326 uint8_t is_free; 327 328 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 329 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 330 331 rte_spinlock_trylock(&global_flag_stru_p->lock); 332 333 while (global_flag_stru_p->LcoreMainIsRunning) { 334 rte_spinlock_unlock(&global_flag_stru_p->lock); 335 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 336 is_free = 0; 337 338 /* If didn't receive any packets, wait and go to next iteration */ 339 if (rx_cnt == 0) { 340 rte_delay_us(50); 341 continue; 342 } 343 344 /* Search incoming data for ARP packets and prepare response */ 345 for (i = 0; i < rx_cnt; i++) { 346 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 347 global_flag_stru_p->port_packets[0]++; 348 rte_spinlock_unlock(&global_flag_stru_p->lock); 349 } 350 eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *); 351 ether_type = eth_hdr->ether_type; 352 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) 353 printf("VLAN taged frame, offset:"); 354 offset = get_vlan_offset(eth_hdr, ðer_type); 355 if (offset > 0) 356 printf("%d\n", offset); 357 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) { 358 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 359 global_flag_stru_p->port_packets[1]++; 360 rte_spinlock_unlock(&global_flag_stru_p->lock); 361 } 362 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset); 363 if (arp_hdr->arp_data.arp_tip == bond_ip) { 364 if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) { 365 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY); 366 /* Switch src and dst data and set bonding MAC */ 367 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 368 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 369 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha); 370 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 371 rte_eth_macaddr_get(BOND_PORT, &d_addr); 372 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 373 arp_hdr->arp_data.arp_sip = bond_ip; 374 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 375 is_free = 1; 376 } else { 377 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 378 } 379 } 380 } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) { 381 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 382 global_flag_stru_p->port_packets[2]++; 383 rte_spinlock_unlock(&global_flag_stru_p->lock); 384 } 385 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 386 if (ipv4_hdr->dst_addr == bond_ip) { 387 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 388 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 389 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 390 ipv4_hdr->src_addr = bond_ip; 391 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 392 } 393 394 } 395 396 /* Free processed packets */ 397 if (is_free == 0) 398 rte_pktmbuf_free(pkts[i]); 399 } 400 rte_spinlock_trylock(&global_flag_stru_p->lock); 401 } 402 rte_spinlock_unlock(&global_flag_stru_p->lock); 403 printf("BYE lcore_main\n"); 404 return 0; 405 } 406 407 struct cmd_obj_send_result { 408 cmdline_fixed_string_t action; 409 cmdline_ipaddr_t ip; 410 }; 411 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 412 { 413 snprintf(buf, size, NIPQUAD_FMT, 414 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 415 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 416 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 417 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 418 ); 419 } 420 static void cmd_obj_send_parsed(void *parsed_result, 421 __attribute__((unused)) struct cmdline *cl, 422 __attribute__((unused)) void *data) 423 { 424 425 struct cmd_obj_send_result *res = parsed_result; 426 char ip_str[INET6_ADDRSTRLEN]; 427 428 struct rte_mbuf *created_pkt; 429 struct ether_hdr *eth_hdr; 430 struct arp_hdr *arp_hdr; 431 432 uint32_t bond_ip; 433 size_t pkt_size; 434 435 if (res->ip.family == AF_INET) 436 get_string(res, ip_str, INET_ADDRSTRLEN); 437 else 438 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 439 440 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 441 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 442 443 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 444 if (created_pkt == NULL) { 445 cmdline_printf(cl, "Failed to allocate mbuf\n"); 446 return; 447 } 448 449 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr); 450 created_pkt->data_len = pkt_size; 451 created_pkt->pkt_len = pkt_size; 452 453 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *); 454 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 455 memset(ð_hdr->d_addr, 0xFF, ETHER_ADDR_LEN); 456 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP); 457 458 arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr)); 459 arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER); 460 arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 461 arp_hdr->arp_hln = ETHER_ADDR_LEN; 462 arp_hdr->arp_pln = sizeof(uint32_t); 463 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST); 464 465 rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha); 466 arp_hdr->arp_data.arp_sip = bond_ip; 467 memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN); 468 arp_hdr->arp_data.arp_tip = 469 ((unsigned char *)&res->ip.addr.ipv4)[0] | 470 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 471 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 472 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 473 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 474 475 rte_delay_ms(100); 476 cmdline_printf(cl, "\n"); 477 } 478 479 cmdline_parse_token_string_t cmd_obj_action_send = 480 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 481 cmdline_parse_token_ipaddr_t cmd_obj_ip = 482 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 483 484 cmdline_parse_inst_t cmd_obj_send = { 485 .f = cmd_obj_send_parsed, /* function to call */ 486 .data = NULL, /* 2nd arg of func */ 487 .help_str = "send client_ip", 488 .tokens = { /* token list, NULL terminated */ 489 (void *)&cmd_obj_action_send, 490 (void *)&cmd_obj_ip, 491 NULL, 492 }, 493 }; 494 495 struct cmd_start_result { 496 cmdline_fixed_string_t start; 497 }; 498 499 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 500 struct cmdline *cl, 501 __attribute__((unused)) void *data) 502 { 503 int slave_core_id = rte_lcore_id(); 504 505 rte_spinlock_trylock(&global_flag_stru_p->lock); 506 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 507 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT) { 508 rte_spinlock_unlock(&global_flag_stru_p->lock); 509 return; 510 } 511 rte_spinlock_unlock(&global_flag_stru_p->lock); 512 } else { 513 cmdline_printf(cl, "lcore_main already running on core:%d\n", 514 global_flag_stru_p->LcoreMainCore); 515 rte_spinlock_unlock(&global_flag_stru_p->lock); 516 return; 517 } 518 519 /* start lcore main on core != master_core - ARP response thread */ 520 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 521 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 522 return; 523 524 rte_spinlock_trylock(&global_flag_stru_p->lock); 525 global_flag_stru_p->LcoreMainIsRunning = 1; 526 rte_spinlock_unlock(&global_flag_stru_p->lock); 527 cmdline_printf(cl, 528 "Starting lcore_main on core %d:%d " 529 "Our IP:%d.%d.%d.%d\n", 530 slave_core_id, 531 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 532 BOND_IP_1, 533 BOND_IP_2, 534 BOND_IP_3, 535 BOND_IP_4 536 ); 537 } 538 539 cmdline_parse_token_string_t cmd_start_start = 540 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 541 542 cmdline_parse_inst_t cmd_start = { 543 .f = cmd_start_parsed, /* function to call */ 544 .data = NULL, /* 2nd arg of func */ 545 .help_str = "starts listening if not started at startup", 546 .tokens = { /* token list, NULL terminated */ 547 (void *)&cmd_start_start, 548 NULL, 549 }, 550 }; 551 552 struct cmd_help_result { 553 cmdline_fixed_string_t help; 554 }; 555 556 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 557 struct cmdline *cl, 558 __attribute__((unused)) void *data) 559 { 560 cmdline_printf(cl, 561 "ALB - link bonding mode 6 example\n" 562 "send IP - sends one ARPrequest through bonding for IP.\n" 563 "start - starts listening ARPs.\n" 564 "stop - stops lcore_main.\n" 565 "show - shows some bond info: ex. active slaves etc.\n" 566 "help - prints help.\n" 567 "quit - terminate all threads and quit.\n" 568 ); 569 } 570 571 cmdline_parse_token_string_t cmd_help_help = 572 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 573 574 cmdline_parse_inst_t cmd_help = { 575 .f = cmd_help_parsed, /* function to call */ 576 .data = NULL, /* 2nd arg of func */ 577 .help_str = "show help", 578 .tokens = { /* token list, NULL terminated */ 579 (void *)&cmd_help_help, 580 NULL, 581 }, 582 }; 583 584 struct cmd_stop_result { 585 cmdline_fixed_string_t stop; 586 }; 587 588 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 589 struct cmdline *cl, 590 __attribute__((unused)) void *data) 591 { 592 rte_spinlock_trylock(&global_flag_stru_p->lock); 593 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 594 cmdline_printf(cl, 595 "lcore_main not running on core:%d\n", 596 global_flag_stru_p->LcoreMainCore); 597 rte_spinlock_unlock(&global_flag_stru_p->lock); 598 return; 599 } 600 global_flag_stru_p->LcoreMainIsRunning = 0; 601 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 602 cmdline_printf(cl, 603 "error: lcore_main can not stop on core:%d\n", 604 global_flag_stru_p->LcoreMainCore); 605 else 606 cmdline_printf(cl, 607 "lcore_main stopped on core:%d\n", 608 global_flag_stru_p->LcoreMainCore); 609 rte_spinlock_unlock(&global_flag_stru_p->lock); 610 } 611 612 cmdline_parse_token_string_t cmd_stop_stop = 613 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 614 615 cmdline_parse_inst_t cmd_stop = { 616 .f = cmd_stop_parsed, /* function to call */ 617 .data = NULL, /* 2nd arg of func */ 618 .help_str = "this command do not handle any arguments", 619 .tokens = { /* token list, NULL terminated */ 620 (void *)&cmd_stop_stop, 621 NULL, 622 }, 623 }; 624 625 struct cmd_quit_result { 626 cmdline_fixed_string_t quit; 627 }; 628 629 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 630 struct cmdline *cl, 631 __attribute__((unused)) void *data) 632 { 633 rte_spinlock_trylock(&global_flag_stru_p->lock); 634 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 635 cmdline_printf(cl, 636 "lcore_main not running on core:%d\n", 637 global_flag_stru_p->LcoreMainCore); 638 rte_spinlock_unlock(&global_flag_stru_p->lock); 639 cmdline_quit(cl); 640 return; 641 } 642 global_flag_stru_p->LcoreMainIsRunning = 0; 643 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 644 cmdline_printf(cl, 645 "error: lcore_main can not stop on core:%d\n", 646 global_flag_stru_p->LcoreMainCore); 647 else 648 cmdline_printf(cl, 649 "lcore_main stopped on core:%d\n", 650 global_flag_stru_p->LcoreMainCore); 651 rte_spinlock_unlock(&global_flag_stru_p->lock); 652 cmdline_quit(cl); 653 } 654 655 cmdline_parse_token_string_t cmd_quit_quit = 656 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 657 658 cmdline_parse_inst_t cmd_quit = { 659 .f = cmd_quit_parsed, /* function to call */ 660 .data = NULL, /* 2nd arg of func */ 661 .help_str = "this command do not handle any arguments", 662 .tokens = { /* token list, NULL terminated */ 663 (void *)&cmd_quit_quit, 664 NULL, 665 }, 666 }; 667 668 struct cmd_show_result { 669 cmdline_fixed_string_t show; 670 }; 671 672 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 673 struct cmdline *cl, 674 __attribute__((unused)) void *data) 675 { 676 uint16_t slaves[16] = {0}; 677 uint8_t len = 16; 678 struct ether_addr addr; 679 uint16_t i = 0; 680 681 while (i < slaves_count) { 682 rte_eth_macaddr_get(i, &addr); 683 PRINT_MAC(addr); 684 printf("\n"); 685 i++; 686 } 687 688 rte_spinlock_trylock(&global_flag_stru_p->lock); 689 cmdline_printf(cl, 690 "Active_slaves:%d " 691 "packets received:Tot:%d Arp:%d IPv4:%d\n", 692 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 693 global_flag_stru_p->port_packets[0], 694 global_flag_stru_p->port_packets[1], 695 global_flag_stru_p->port_packets[2]); 696 rte_spinlock_unlock(&global_flag_stru_p->lock); 697 } 698 699 cmdline_parse_token_string_t cmd_show_show = 700 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 701 702 cmdline_parse_inst_t cmd_show = { 703 .f = cmd_show_parsed, /* function to call */ 704 .data = NULL, /* 2nd arg of func */ 705 .help_str = "this command do not handle any arguments", 706 .tokens = { /* token list, NULL terminated */ 707 (void *)&cmd_show_show, 708 NULL, 709 }, 710 }; 711 712 /****** CONTEXT (list of instruction) */ 713 714 cmdline_parse_ctx_t main_ctx[] = { 715 (cmdline_parse_inst_t *)&cmd_start, 716 (cmdline_parse_inst_t *)&cmd_obj_send, 717 (cmdline_parse_inst_t *)&cmd_stop, 718 (cmdline_parse_inst_t *)&cmd_show, 719 (cmdline_parse_inst_t *)&cmd_quit, 720 (cmdline_parse_inst_t *)&cmd_help, 721 NULL, 722 }; 723 724 /* prompt function, called from main on MASTER lcore */ 725 static void prompt(__attribute__((unused)) void *arg1) 726 { 727 struct cmdline *cl; 728 729 cl = cmdline_stdin_new(main_ctx, "bond6>"); 730 if (cl != NULL) { 731 cmdline_interact(cl); 732 cmdline_stdin_exit(cl); 733 } 734 } 735 736 /* Main function, does initialisation and calls the per-lcore functions */ 737 int 738 main(int argc, char *argv[]) 739 { 740 int ret; 741 uint16_t nb_ports, i; 742 743 /* init EAL */ 744 ret = rte_eal_init(argc, argv); 745 rte_eal_devargs_dump(stdout); 746 if (ret < 0) 747 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 748 argc -= ret; 749 argv += ret; 750 751 nb_ports = rte_eth_dev_count_avail(); 752 if (nb_ports == 0) 753 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 754 else if (nb_ports > MAX_PORTS) 755 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 756 757 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32, 758 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 759 if (mbuf_pool == NULL) 760 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 761 762 /* initialize all ports */ 763 slaves_count = nb_ports; 764 RTE_ETH_FOREACH_DEV(i) { 765 slave_port_init(i, mbuf_pool); 766 slaves[i] = i; 767 } 768 769 bond_port_init(mbuf_pool); 770 771 rte_spinlock_init(&global_flag_stru_p->lock); 772 int slave_core_id = rte_lcore_id(); 773 774 /* check state of lcores */ 775 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 776 if (lcore_config[slave_core_id].state != WAIT) 777 return -EBUSY; 778 } 779 /* start lcore main on core != master_core - ARP response thread */ 780 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 781 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 782 return -EPERM; 783 784 global_flag_stru_p->LcoreMainIsRunning = 1; 785 global_flag_stru_p->LcoreMainCore = slave_core_id; 786 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 787 slave_core_id, 788 rte_eal_remote_launch((lcore_function_t *)lcore_main, 789 NULL, 790 slave_core_id), 791 BOND_IP_1, 792 BOND_IP_2, 793 BOND_IP_3, 794 BOND_IP_4 795 ); 796 797 /* Start prompt for user interact */ 798 prompt(NULL); 799 800 rte_delay_ms(100); 801 return 0; 802 } 803