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 = RTE_ETHER_MAX_LEN, 124 .split_hdr_size = 0, 125 }, 126 .rx_adv_conf = { 127 .rss_conf = { 128 .rss_key = NULL, 129 .rss_hf = ETH_RSS_IP, 130 }, 131 }, 132 .txmode = { 133 .mq_mode = ETH_MQ_TX_NONE, 134 }, 135 }; 136 137 static void 138 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool) 139 { 140 int retval; 141 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 142 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 143 struct rte_eth_dev_info dev_info; 144 struct rte_eth_rxconf rxq_conf; 145 struct rte_eth_txconf txq_conf; 146 struct rte_eth_conf local_port_conf = port_conf; 147 148 if (!rte_eth_dev_is_valid_port(portid)) 149 rte_exit(EXIT_FAILURE, "Invalid port\n"); 150 151 rte_eth_dev_info_get(portid, &dev_info); 152 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 153 local_port_conf.txmode.offloads |= 154 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 155 156 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 157 dev_info.flow_type_rss_offloads; 158 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 159 port_conf.rx_adv_conf.rss_conf.rss_hf) { 160 printf("Port %u modified RSS hash function based on hardware support," 161 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 162 portid, 163 port_conf.rx_adv_conf.rss_conf.rss_hf, 164 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 165 } 166 167 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 168 if (retval != 0) 169 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 170 portid, retval); 171 172 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd); 173 if (retval != 0) 174 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 175 "failed (res=%d)\n", portid, retval); 176 177 /* RX setup */ 178 rxq_conf = dev_info.default_rxconf; 179 rxq_conf.offloads = local_port_conf.rxmode.offloads; 180 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 181 rte_eth_dev_socket_id(portid), 182 &rxq_conf, 183 mbuf_pool); 184 if (retval < 0) 185 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 186 portid, retval); 187 188 /* TX setup */ 189 txq_conf = dev_info.default_txconf; 190 txq_conf.offloads = local_port_conf.txmode.offloads; 191 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd, 192 rte_eth_dev_socket_id(portid), &txq_conf); 193 194 if (retval < 0) 195 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 196 portid, retval); 197 198 retval = rte_eth_dev_start(portid); 199 if (retval < 0) 200 rte_exit(retval, 201 "Start port %d failed (res=%d)", 202 portid, retval); 203 204 struct rte_ether_addr addr; 205 206 rte_eth_macaddr_get(portid, &addr); 207 printf("Port %u MAC: ", portid); 208 PRINT_MAC(addr); 209 printf("\n"); 210 } 211 212 static void 213 bond_port_init(struct rte_mempool *mbuf_pool) 214 { 215 int retval; 216 uint8_t i; 217 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 218 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 219 struct rte_eth_dev_info dev_info; 220 struct rte_eth_rxconf rxq_conf; 221 struct rte_eth_txconf txq_conf; 222 struct rte_eth_conf local_port_conf = port_conf; 223 uint16_t wait_counter = 20; 224 225 retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB, 226 0 /*SOCKET_ID_ANY*/); 227 if (retval < 0) 228 rte_exit(EXIT_FAILURE, 229 "Faled to create bond port\n"); 230 231 BOND_PORT = retval; 232 233 rte_eth_dev_info_get(BOND_PORT, &dev_info); 234 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 235 local_port_conf.txmode.offloads |= 236 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 237 retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf); 238 if (retval != 0) 239 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 240 BOND_PORT, retval); 241 242 retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd); 243 if (retval != 0) 244 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 245 "failed (res=%d)\n", BOND_PORT, retval); 246 247 for (i = 0; i < slaves_count; i++) { 248 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1) 249 rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n", 250 slaves[i], BOND_PORT); 251 252 } 253 254 /* RX setup */ 255 rxq_conf = dev_info.default_rxconf; 256 rxq_conf.offloads = local_port_conf.rxmode.offloads; 257 retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd, 258 rte_eth_dev_socket_id(BOND_PORT), 259 &rxq_conf, mbuf_pool); 260 if (retval < 0) 261 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 262 BOND_PORT, retval); 263 264 /* TX setup */ 265 txq_conf = dev_info.default_txconf; 266 txq_conf.offloads = local_port_conf.txmode.offloads; 267 retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd, 268 rte_eth_dev_socket_id(BOND_PORT), &txq_conf); 269 270 if (retval < 0) 271 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 272 BOND_PORT, retval); 273 274 retval = rte_eth_dev_start(BOND_PORT); 275 if (retval < 0) 276 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval); 277 278 printf("Waiting for slaves to become active..."); 279 while (wait_counter) { 280 uint16_t act_slaves[16] = {0}; 281 if (rte_eth_bond_active_slaves_get(BOND_PORT, act_slaves, 16) == 282 slaves_count) { 283 printf("\n"); 284 break; 285 } 286 sleep(1); 287 printf("..."); 288 if (--wait_counter == 0) 289 rte_exit(-1, "\nFailed to activate slaves\n"); 290 } 291 292 rte_eth_promiscuous_enable(BOND_PORT); 293 294 struct rte_ether_addr addr; 295 296 rte_eth_macaddr_get(BOND_PORT, &addr); 297 printf("Port %u MAC: ", (unsigned)BOND_PORT); 298 PRINT_MAC(addr); 299 printf("\n"); 300 } 301 302 static inline size_t 303 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto) 304 { 305 size_t vlan_offset = 0; 306 307 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) { 308 struct rte_vlan_hdr *vlan_hdr = 309 (struct rte_vlan_hdr *)(eth_hdr + 1); 310 311 vlan_offset = sizeof(struct rte_vlan_hdr); 312 *proto = vlan_hdr->eth_proto; 313 314 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) { 315 vlan_hdr = vlan_hdr + 1; 316 317 *proto = vlan_hdr->eth_proto; 318 vlan_offset += sizeof(struct rte_vlan_hdr); 319 } 320 } 321 return vlan_offset; 322 } 323 324 struct global_flag_stru_t { 325 int LcoreMainIsRunning; 326 int LcoreMainCore; 327 uint32_t port_packets[4]; 328 rte_spinlock_t lock; 329 }; 330 struct global_flag_stru_t global_flag_stru; 331 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 332 333 /* 334 * Main thread that does the work, reading from INPUT_PORT 335 * and writing to OUTPUT_PORT 336 */ 337 static int lcore_main(__attribute__((unused)) void *arg1) 338 { 339 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 340 struct rte_ether_addr d_addr; 341 342 struct rte_ether_hdr *eth_hdr; 343 struct rte_arp_hdr *arp_hdr; 344 struct rte_ipv4_hdr *ipv4_hdr; 345 uint16_t ether_type, offset; 346 347 uint16_t rx_cnt; 348 uint32_t bond_ip; 349 int i = 0; 350 uint8_t is_free; 351 352 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 353 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 354 355 rte_spinlock_trylock(&global_flag_stru_p->lock); 356 357 while (global_flag_stru_p->LcoreMainIsRunning) { 358 rte_spinlock_unlock(&global_flag_stru_p->lock); 359 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 360 is_free = 0; 361 362 /* If didn't receive any packets, wait and go to next iteration */ 363 if (rx_cnt == 0) { 364 rte_delay_us(50); 365 continue; 366 } 367 368 /* Search incoming data for ARP packets and prepare response */ 369 for (i = 0; i < rx_cnt; i++) { 370 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 371 global_flag_stru_p->port_packets[0]++; 372 rte_spinlock_unlock(&global_flag_stru_p->lock); 373 } 374 eth_hdr = rte_pktmbuf_mtod(pkts[i], 375 struct rte_ether_hdr *); 376 ether_type = eth_hdr->ether_type; 377 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN)) 378 printf("VLAN taged frame, offset:"); 379 offset = get_vlan_offset(eth_hdr, ðer_type); 380 if (offset > 0) 381 printf("%d\n", offset); 382 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) { 383 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 384 global_flag_stru_p->port_packets[1]++; 385 rte_spinlock_unlock(&global_flag_stru_p->lock); 386 } 387 arp_hdr = (struct rte_arp_hdr *)( 388 (char *)(eth_hdr + 1) + offset); 389 if (arp_hdr->arp_data.arp_tip == bond_ip) { 390 if (arp_hdr->arp_opcode == rte_cpu_to_be_16(RTE_ARP_OP_REQUEST)) { 391 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REPLY); 392 /* Switch src and dst data and set bonding MAC */ 393 rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 394 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 395 rte_ether_addr_copy(&arp_hdr->arp_data.arp_sha, 396 &arp_hdr->arp_data.arp_tha); 397 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 398 rte_eth_macaddr_get(BOND_PORT, &d_addr); 399 rte_ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 400 arp_hdr->arp_data.arp_sip = bond_ip; 401 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 402 is_free = 1; 403 } else { 404 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 405 } 406 } 407 } else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) { 408 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 409 global_flag_stru_p->port_packets[2]++; 410 rte_spinlock_unlock(&global_flag_stru_p->lock); 411 } 412 ipv4_hdr = (struct rte_ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 413 if (ipv4_hdr->dst_addr == bond_ip) { 414 rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 415 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 416 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 417 ipv4_hdr->src_addr = bond_ip; 418 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 419 } 420 421 } 422 423 /* Free processed packets */ 424 if (is_free == 0) 425 rte_pktmbuf_free(pkts[i]); 426 } 427 rte_spinlock_trylock(&global_flag_stru_p->lock); 428 } 429 rte_spinlock_unlock(&global_flag_stru_p->lock); 430 printf("BYE lcore_main\n"); 431 return 0; 432 } 433 434 struct cmd_obj_send_result { 435 cmdline_fixed_string_t action; 436 cmdline_ipaddr_t ip; 437 }; 438 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 439 { 440 snprintf(buf, size, NIPQUAD_FMT, 441 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 442 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 443 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 444 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 445 ); 446 } 447 static void cmd_obj_send_parsed(void *parsed_result, 448 __attribute__((unused)) struct cmdline *cl, 449 __attribute__((unused)) void *data) 450 { 451 452 struct cmd_obj_send_result *res = parsed_result; 453 char ip_str[INET6_ADDRSTRLEN]; 454 455 struct rte_mbuf *created_pkt; 456 struct rte_ether_hdr *eth_hdr; 457 struct rte_arp_hdr *arp_hdr; 458 459 uint32_t bond_ip; 460 size_t pkt_size; 461 462 if (res->ip.family == AF_INET) 463 get_string(res, ip_str, INET_ADDRSTRLEN); 464 else 465 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 466 467 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 468 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 469 470 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 471 if (created_pkt == NULL) { 472 cmdline_printf(cl, "Failed to allocate mbuf\n"); 473 return; 474 } 475 476 pkt_size = sizeof(struct rte_ether_hdr) + sizeof(struct rte_arp_hdr); 477 created_pkt->data_len = pkt_size; 478 created_pkt->pkt_len = pkt_size; 479 480 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *); 481 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 482 memset(ð_hdr->d_addr, 0xFF, RTE_ETHER_ADDR_LEN); 483 eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP); 484 485 arp_hdr = (struct rte_arp_hdr *)( 486 (char *)eth_hdr + sizeof(struct rte_ether_hdr)); 487 arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER); 488 arp_hdr->arp_protocol = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4); 489 arp_hdr->arp_hlen = RTE_ETHER_ADDR_LEN; 490 arp_hdr->arp_plen = sizeof(uint32_t); 491 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REQUEST); 492 493 rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha); 494 arp_hdr->arp_data.arp_sip = bond_ip; 495 memset(&arp_hdr->arp_data.arp_tha, 0, RTE_ETHER_ADDR_LEN); 496 arp_hdr->arp_data.arp_tip = 497 ((unsigned char *)&res->ip.addr.ipv4)[0] | 498 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 499 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 500 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 501 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 502 503 rte_delay_ms(100); 504 cmdline_printf(cl, "\n"); 505 } 506 507 cmdline_parse_token_string_t cmd_obj_action_send = 508 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 509 cmdline_parse_token_ipaddr_t cmd_obj_ip = 510 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 511 512 cmdline_parse_inst_t cmd_obj_send = { 513 .f = cmd_obj_send_parsed, /* function to call */ 514 .data = NULL, /* 2nd arg of func */ 515 .help_str = "send client_ip", 516 .tokens = { /* token list, NULL terminated */ 517 (void *)&cmd_obj_action_send, 518 (void *)&cmd_obj_ip, 519 NULL, 520 }, 521 }; 522 523 struct cmd_start_result { 524 cmdline_fixed_string_t start; 525 }; 526 527 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 528 struct cmdline *cl, 529 __attribute__((unused)) void *data) 530 { 531 int slave_core_id = rte_lcore_id(); 532 533 rte_spinlock_trylock(&global_flag_stru_p->lock); 534 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 535 if (rte_eal_get_lcore_state(global_flag_stru_p->LcoreMainCore) 536 != WAIT) { 537 rte_spinlock_unlock(&global_flag_stru_p->lock); 538 return; 539 } 540 rte_spinlock_unlock(&global_flag_stru_p->lock); 541 } else { 542 cmdline_printf(cl, "lcore_main already running on core:%d\n", 543 global_flag_stru_p->LcoreMainCore); 544 rte_spinlock_unlock(&global_flag_stru_p->lock); 545 return; 546 } 547 548 /* start lcore main on core != master_core - ARP response thread */ 549 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 550 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 551 return; 552 553 rte_spinlock_trylock(&global_flag_stru_p->lock); 554 global_flag_stru_p->LcoreMainIsRunning = 1; 555 rte_spinlock_unlock(&global_flag_stru_p->lock); 556 cmdline_printf(cl, 557 "Starting lcore_main on core %d:%d " 558 "Our IP:%d.%d.%d.%d\n", 559 slave_core_id, 560 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 561 BOND_IP_1, 562 BOND_IP_2, 563 BOND_IP_3, 564 BOND_IP_4 565 ); 566 } 567 568 cmdline_parse_token_string_t cmd_start_start = 569 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 570 571 cmdline_parse_inst_t cmd_start = { 572 .f = cmd_start_parsed, /* function to call */ 573 .data = NULL, /* 2nd arg of func */ 574 .help_str = "starts listening if not started at startup", 575 .tokens = { /* token list, NULL terminated */ 576 (void *)&cmd_start_start, 577 NULL, 578 }, 579 }; 580 581 struct cmd_help_result { 582 cmdline_fixed_string_t help; 583 }; 584 585 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 586 struct cmdline *cl, 587 __attribute__((unused)) void *data) 588 { 589 cmdline_printf(cl, 590 "ALB - link bonding mode 6 example\n" 591 "send IP - sends one ARPrequest through bonding for IP.\n" 592 "start - starts listening ARPs.\n" 593 "stop - stops lcore_main.\n" 594 "show - shows some bond info: ex. active slaves etc.\n" 595 "help - prints help.\n" 596 "quit - terminate all threads and quit.\n" 597 ); 598 } 599 600 cmdline_parse_token_string_t cmd_help_help = 601 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 602 603 cmdline_parse_inst_t cmd_help = { 604 .f = cmd_help_parsed, /* function to call */ 605 .data = NULL, /* 2nd arg of func */ 606 .help_str = "show help", 607 .tokens = { /* token list, NULL terminated */ 608 (void *)&cmd_help_help, 609 NULL, 610 }, 611 }; 612 613 struct cmd_stop_result { 614 cmdline_fixed_string_t stop; 615 }; 616 617 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 618 struct cmdline *cl, 619 __attribute__((unused)) void *data) 620 { 621 rte_spinlock_trylock(&global_flag_stru_p->lock); 622 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 623 cmdline_printf(cl, 624 "lcore_main not running on core:%d\n", 625 global_flag_stru_p->LcoreMainCore); 626 rte_spinlock_unlock(&global_flag_stru_p->lock); 627 return; 628 } 629 global_flag_stru_p->LcoreMainIsRunning = 0; 630 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 631 cmdline_printf(cl, 632 "error: lcore_main can not stop on core:%d\n", 633 global_flag_stru_p->LcoreMainCore); 634 else 635 cmdline_printf(cl, 636 "lcore_main stopped on core:%d\n", 637 global_flag_stru_p->LcoreMainCore); 638 rte_spinlock_unlock(&global_flag_stru_p->lock); 639 } 640 641 cmdline_parse_token_string_t cmd_stop_stop = 642 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 643 644 cmdline_parse_inst_t cmd_stop = { 645 .f = cmd_stop_parsed, /* function to call */ 646 .data = NULL, /* 2nd arg of func */ 647 .help_str = "this command do not handle any arguments", 648 .tokens = { /* token list, NULL terminated */ 649 (void *)&cmd_stop_stop, 650 NULL, 651 }, 652 }; 653 654 struct cmd_quit_result { 655 cmdline_fixed_string_t quit; 656 }; 657 658 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 659 struct cmdline *cl, 660 __attribute__((unused)) void *data) 661 { 662 rte_spinlock_trylock(&global_flag_stru_p->lock); 663 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 664 cmdline_printf(cl, 665 "lcore_main not running on core:%d\n", 666 global_flag_stru_p->LcoreMainCore); 667 rte_spinlock_unlock(&global_flag_stru_p->lock); 668 cmdline_quit(cl); 669 return; 670 } 671 global_flag_stru_p->LcoreMainIsRunning = 0; 672 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 673 cmdline_printf(cl, 674 "error: lcore_main can not stop on core:%d\n", 675 global_flag_stru_p->LcoreMainCore); 676 else 677 cmdline_printf(cl, 678 "lcore_main stopped on core:%d\n", 679 global_flag_stru_p->LcoreMainCore); 680 rte_spinlock_unlock(&global_flag_stru_p->lock); 681 cmdline_quit(cl); 682 } 683 684 cmdline_parse_token_string_t cmd_quit_quit = 685 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 686 687 cmdline_parse_inst_t cmd_quit = { 688 .f = cmd_quit_parsed, /* function to call */ 689 .data = NULL, /* 2nd arg of func */ 690 .help_str = "this command do not handle any arguments", 691 .tokens = { /* token list, NULL terminated */ 692 (void *)&cmd_quit_quit, 693 NULL, 694 }, 695 }; 696 697 struct cmd_show_result { 698 cmdline_fixed_string_t show; 699 }; 700 701 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 702 struct cmdline *cl, 703 __attribute__((unused)) void *data) 704 { 705 uint16_t slaves[16] = {0}; 706 uint8_t len = 16; 707 struct rte_ether_addr addr; 708 uint16_t i = 0; 709 710 while (i < slaves_count) { 711 rte_eth_macaddr_get(i, &addr); 712 PRINT_MAC(addr); 713 printf("\n"); 714 i++; 715 } 716 717 rte_spinlock_trylock(&global_flag_stru_p->lock); 718 cmdline_printf(cl, 719 "Active_slaves:%d " 720 "packets received:Tot:%d Arp:%d IPv4:%d\n", 721 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 722 global_flag_stru_p->port_packets[0], 723 global_flag_stru_p->port_packets[1], 724 global_flag_stru_p->port_packets[2]); 725 rte_spinlock_unlock(&global_flag_stru_p->lock); 726 } 727 728 cmdline_parse_token_string_t cmd_show_show = 729 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 730 731 cmdline_parse_inst_t cmd_show = { 732 .f = cmd_show_parsed, /* function to call */ 733 .data = NULL, /* 2nd arg of func */ 734 .help_str = "this command do not handle any arguments", 735 .tokens = { /* token list, NULL terminated */ 736 (void *)&cmd_show_show, 737 NULL, 738 }, 739 }; 740 741 /****** CONTEXT (list of instruction) */ 742 743 cmdline_parse_ctx_t main_ctx[] = { 744 (cmdline_parse_inst_t *)&cmd_start, 745 (cmdline_parse_inst_t *)&cmd_obj_send, 746 (cmdline_parse_inst_t *)&cmd_stop, 747 (cmdline_parse_inst_t *)&cmd_show, 748 (cmdline_parse_inst_t *)&cmd_quit, 749 (cmdline_parse_inst_t *)&cmd_help, 750 NULL, 751 }; 752 753 /* prompt function, called from main on MASTER lcore */ 754 static void prompt(__attribute__((unused)) void *arg1) 755 { 756 struct cmdline *cl; 757 758 cl = cmdline_stdin_new(main_ctx, "bond6>"); 759 if (cl != NULL) { 760 cmdline_interact(cl); 761 cmdline_stdin_exit(cl); 762 } 763 } 764 765 /* Main function, does initialisation and calls the per-lcore functions */ 766 int 767 main(int argc, char *argv[]) 768 { 769 int ret, slave_core_id; 770 uint16_t nb_ports, i; 771 772 /* init EAL */ 773 ret = rte_eal_init(argc, argv); 774 rte_devargs_dump(stdout); 775 if (ret < 0) 776 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 777 argc -= ret; 778 argv += ret; 779 780 nb_ports = rte_eth_dev_count_avail(); 781 if (nb_ports == 0) 782 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 783 else if (nb_ports > MAX_PORTS) 784 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 785 786 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32, 787 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 788 if (mbuf_pool == NULL) 789 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 790 791 /* initialize all ports */ 792 slaves_count = nb_ports; 793 RTE_ETH_FOREACH_DEV(i) { 794 slave_port_init(i, mbuf_pool); 795 slaves[i] = i; 796 } 797 798 bond_port_init(mbuf_pool); 799 800 rte_spinlock_init(&global_flag_stru_p->lock); 801 802 /* check state of lcores */ 803 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 804 if (rte_eal_get_lcore_state(slave_core_id) != WAIT) 805 return -EBUSY; 806 } 807 808 /* start lcore main on core != master_core - ARP response thread */ 809 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 810 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 811 return -EPERM; 812 813 global_flag_stru_p->LcoreMainIsRunning = 1; 814 global_flag_stru_p->LcoreMainCore = slave_core_id; 815 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 816 slave_core_id, 817 rte_eal_remote_launch((lcore_function_t *)lcore_main, 818 NULL, 819 slave_core_id), 820 BOND_IP_1, 821 BOND_IP_2, 822 BOND_IP_3, 823 BOND_IP_4 824 ); 825 826 /* Start prompt for user interact */ 827 prompt(NULL); 828 829 rte_delay_ms(100); 830 return 0; 831 } 832