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 }, 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 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 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 ether_hdr *eth_hdr, uint16_t *proto) 304 { 305 size_t vlan_offset = 0; 306 307 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 308 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); 309 310 vlan_offset = sizeof(struct vlan_hdr); 311 *proto = vlan_hdr->eth_proto; 312 313 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 314 vlan_hdr = vlan_hdr + 1; 315 316 *proto = vlan_hdr->eth_proto; 317 vlan_offset += sizeof(struct vlan_hdr); 318 } 319 } 320 return vlan_offset; 321 } 322 323 struct global_flag_stru_t { 324 int LcoreMainIsRunning; 325 int LcoreMainCore; 326 uint32_t port_packets[4]; 327 rte_spinlock_t lock; 328 }; 329 struct global_flag_stru_t global_flag_stru; 330 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 331 332 /* 333 * Main thread that does the work, reading from INPUT_PORT 334 * and writing to OUTPUT_PORT 335 */ 336 static int lcore_main(__attribute__((unused)) void *arg1) 337 { 338 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 339 struct ether_addr d_addr; 340 341 struct ether_hdr *eth_hdr; 342 struct arp_hdr *arp_hdr; 343 struct ipv4_hdr *ipv4_hdr; 344 uint16_t ether_type, offset; 345 346 uint16_t rx_cnt; 347 uint32_t bond_ip; 348 int i = 0; 349 uint8_t is_free; 350 351 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 352 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 353 354 rte_spinlock_trylock(&global_flag_stru_p->lock); 355 356 while (global_flag_stru_p->LcoreMainIsRunning) { 357 rte_spinlock_unlock(&global_flag_stru_p->lock); 358 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 359 is_free = 0; 360 361 /* If didn't receive any packets, wait and go to next iteration */ 362 if (rx_cnt == 0) { 363 rte_delay_us(50); 364 continue; 365 } 366 367 /* Search incoming data for ARP packets and prepare response */ 368 for (i = 0; i < rx_cnt; i++) { 369 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 370 global_flag_stru_p->port_packets[0]++; 371 rte_spinlock_unlock(&global_flag_stru_p->lock); 372 } 373 eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *); 374 ether_type = eth_hdr->ether_type; 375 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) 376 printf("VLAN taged frame, offset:"); 377 offset = get_vlan_offset(eth_hdr, ðer_type); 378 if (offset > 0) 379 printf("%d\n", offset); 380 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) { 381 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 382 global_flag_stru_p->port_packets[1]++; 383 rte_spinlock_unlock(&global_flag_stru_p->lock); 384 } 385 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset); 386 if (arp_hdr->arp_data.arp_tip == bond_ip) { 387 if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) { 388 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY); 389 /* Switch src and dst data and set bonding MAC */ 390 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 391 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 392 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha); 393 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 394 rte_eth_macaddr_get(BOND_PORT, &d_addr); 395 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 396 arp_hdr->arp_data.arp_sip = bond_ip; 397 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 398 is_free = 1; 399 } else { 400 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 401 } 402 } 403 } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) { 404 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 405 global_flag_stru_p->port_packets[2]++; 406 rte_spinlock_unlock(&global_flag_stru_p->lock); 407 } 408 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 409 if (ipv4_hdr->dst_addr == bond_ip) { 410 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 411 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 412 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 413 ipv4_hdr->src_addr = bond_ip; 414 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 415 } 416 417 } 418 419 /* Free processed packets */ 420 if (is_free == 0) 421 rte_pktmbuf_free(pkts[i]); 422 } 423 rte_spinlock_trylock(&global_flag_stru_p->lock); 424 } 425 rte_spinlock_unlock(&global_flag_stru_p->lock); 426 printf("BYE lcore_main\n"); 427 return 0; 428 } 429 430 struct cmd_obj_send_result { 431 cmdline_fixed_string_t action; 432 cmdline_ipaddr_t ip; 433 }; 434 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 435 { 436 snprintf(buf, size, NIPQUAD_FMT, 437 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 438 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 439 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 440 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 441 ); 442 } 443 static void cmd_obj_send_parsed(void *parsed_result, 444 __attribute__((unused)) struct cmdline *cl, 445 __attribute__((unused)) void *data) 446 { 447 448 struct cmd_obj_send_result *res = parsed_result; 449 char ip_str[INET6_ADDRSTRLEN]; 450 451 struct rte_mbuf *created_pkt; 452 struct ether_hdr *eth_hdr; 453 struct arp_hdr *arp_hdr; 454 455 uint32_t bond_ip; 456 size_t pkt_size; 457 458 if (res->ip.family == AF_INET) 459 get_string(res, ip_str, INET_ADDRSTRLEN); 460 else 461 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 462 463 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 464 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 465 466 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 467 if (created_pkt == NULL) { 468 cmdline_printf(cl, "Failed to allocate mbuf\n"); 469 return; 470 } 471 472 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr); 473 created_pkt->data_len = pkt_size; 474 created_pkt->pkt_len = pkt_size; 475 476 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *); 477 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 478 memset(ð_hdr->d_addr, 0xFF, ETHER_ADDR_LEN); 479 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP); 480 481 arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr)); 482 arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER); 483 arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 484 arp_hdr->arp_hln = ETHER_ADDR_LEN; 485 arp_hdr->arp_pln = sizeof(uint32_t); 486 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST); 487 488 rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha); 489 arp_hdr->arp_data.arp_sip = bond_ip; 490 memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN); 491 arp_hdr->arp_data.arp_tip = 492 ((unsigned char *)&res->ip.addr.ipv4)[0] | 493 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 494 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 495 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 496 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 497 498 rte_delay_ms(100); 499 cmdline_printf(cl, "\n"); 500 } 501 502 cmdline_parse_token_string_t cmd_obj_action_send = 503 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 504 cmdline_parse_token_ipaddr_t cmd_obj_ip = 505 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 506 507 cmdline_parse_inst_t cmd_obj_send = { 508 .f = cmd_obj_send_parsed, /* function to call */ 509 .data = NULL, /* 2nd arg of func */ 510 .help_str = "send client_ip", 511 .tokens = { /* token list, NULL terminated */ 512 (void *)&cmd_obj_action_send, 513 (void *)&cmd_obj_ip, 514 NULL, 515 }, 516 }; 517 518 struct cmd_start_result { 519 cmdline_fixed_string_t start; 520 }; 521 522 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 523 struct cmdline *cl, 524 __attribute__((unused)) void *data) 525 { 526 int slave_core_id = rte_lcore_id(); 527 528 rte_spinlock_trylock(&global_flag_stru_p->lock); 529 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 530 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT) { 531 rte_spinlock_unlock(&global_flag_stru_p->lock); 532 return; 533 } 534 rte_spinlock_unlock(&global_flag_stru_p->lock); 535 } else { 536 cmdline_printf(cl, "lcore_main already running on core:%d\n", 537 global_flag_stru_p->LcoreMainCore); 538 rte_spinlock_unlock(&global_flag_stru_p->lock); 539 return; 540 } 541 542 /* start lcore main on core != master_core - ARP response thread */ 543 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 544 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 545 return; 546 547 rte_spinlock_trylock(&global_flag_stru_p->lock); 548 global_flag_stru_p->LcoreMainIsRunning = 1; 549 rte_spinlock_unlock(&global_flag_stru_p->lock); 550 cmdline_printf(cl, 551 "Starting lcore_main on core %d:%d " 552 "Our IP:%d.%d.%d.%d\n", 553 slave_core_id, 554 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 555 BOND_IP_1, 556 BOND_IP_2, 557 BOND_IP_3, 558 BOND_IP_4 559 ); 560 } 561 562 cmdline_parse_token_string_t cmd_start_start = 563 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 564 565 cmdline_parse_inst_t cmd_start = { 566 .f = cmd_start_parsed, /* function to call */ 567 .data = NULL, /* 2nd arg of func */ 568 .help_str = "starts listening if not started at startup", 569 .tokens = { /* token list, NULL terminated */ 570 (void *)&cmd_start_start, 571 NULL, 572 }, 573 }; 574 575 struct cmd_help_result { 576 cmdline_fixed_string_t help; 577 }; 578 579 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 580 struct cmdline *cl, 581 __attribute__((unused)) void *data) 582 { 583 cmdline_printf(cl, 584 "ALB - link bonding mode 6 example\n" 585 "send IP - sends one ARPrequest through bonding for IP.\n" 586 "start - starts listening ARPs.\n" 587 "stop - stops lcore_main.\n" 588 "show - shows some bond info: ex. active slaves etc.\n" 589 "help - prints help.\n" 590 "quit - terminate all threads and quit.\n" 591 ); 592 } 593 594 cmdline_parse_token_string_t cmd_help_help = 595 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 596 597 cmdline_parse_inst_t cmd_help = { 598 .f = cmd_help_parsed, /* function to call */ 599 .data = NULL, /* 2nd arg of func */ 600 .help_str = "show help", 601 .tokens = { /* token list, NULL terminated */ 602 (void *)&cmd_help_help, 603 NULL, 604 }, 605 }; 606 607 struct cmd_stop_result { 608 cmdline_fixed_string_t stop; 609 }; 610 611 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 612 struct cmdline *cl, 613 __attribute__((unused)) void *data) 614 { 615 rte_spinlock_trylock(&global_flag_stru_p->lock); 616 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 617 cmdline_printf(cl, 618 "lcore_main not running on core:%d\n", 619 global_flag_stru_p->LcoreMainCore); 620 rte_spinlock_unlock(&global_flag_stru_p->lock); 621 return; 622 } 623 global_flag_stru_p->LcoreMainIsRunning = 0; 624 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 625 cmdline_printf(cl, 626 "error: lcore_main can not stop on core:%d\n", 627 global_flag_stru_p->LcoreMainCore); 628 else 629 cmdline_printf(cl, 630 "lcore_main stopped on core:%d\n", 631 global_flag_stru_p->LcoreMainCore); 632 rte_spinlock_unlock(&global_flag_stru_p->lock); 633 } 634 635 cmdline_parse_token_string_t cmd_stop_stop = 636 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 637 638 cmdline_parse_inst_t cmd_stop = { 639 .f = cmd_stop_parsed, /* function to call */ 640 .data = NULL, /* 2nd arg of func */ 641 .help_str = "this command do not handle any arguments", 642 .tokens = { /* token list, NULL terminated */ 643 (void *)&cmd_stop_stop, 644 NULL, 645 }, 646 }; 647 648 struct cmd_quit_result { 649 cmdline_fixed_string_t quit; 650 }; 651 652 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 653 struct cmdline *cl, 654 __attribute__((unused)) void *data) 655 { 656 rte_spinlock_trylock(&global_flag_stru_p->lock); 657 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 658 cmdline_printf(cl, 659 "lcore_main not running on core:%d\n", 660 global_flag_stru_p->LcoreMainCore); 661 rte_spinlock_unlock(&global_flag_stru_p->lock); 662 cmdline_quit(cl); 663 return; 664 } 665 global_flag_stru_p->LcoreMainIsRunning = 0; 666 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 667 cmdline_printf(cl, 668 "error: lcore_main can not stop on core:%d\n", 669 global_flag_stru_p->LcoreMainCore); 670 else 671 cmdline_printf(cl, 672 "lcore_main stopped on core:%d\n", 673 global_flag_stru_p->LcoreMainCore); 674 rte_spinlock_unlock(&global_flag_stru_p->lock); 675 cmdline_quit(cl); 676 } 677 678 cmdline_parse_token_string_t cmd_quit_quit = 679 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 680 681 cmdline_parse_inst_t cmd_quit = { 682 .f = cmd_quit_parsed, /* function to call */ 683 .data = NULL, /* 2nd arg of func */ 684 .help_str = "this command do not handle any arguments", 685 .tokens = { /* token list, NULL terminated */ 686 (void *)&cmd_quit_quit, 687 NULL, 688 }, 689 }; 690 691 struct cmd_show_result { 692 cmdline_fixed_string_t show; 693 }; 694 695 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 696 struct cmdline *cl, 697 __attribute__((unused)) void *data) 698 { 699 uint16_t slaves[16] = {0}; 700 uint8_t len = 16; 701 struct ether_addr addr; 702 uint16_t i = 0; 703 704 while (i < slaves_count) { 705 rte_eth_macaddr_get(i, &addr); 706 PRINT_MAC(addr); 707 printf("\n"); 708 i++; 709 } 710 711 rte_spinlock_trylock(&global_flag_stru_p->lock); 712 cmdline_printf(cl, 713 "Active_slaves:%d " 714 "packets received:Tot:%d Arp:%d IPv4:%d\n", 715 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 716 global_flag_stru_p->port_packets[0], 717 global_flag_stru_p->port_packets[1], 718 global_flag_stru_p->port_packets[2]); 719 rte_spinlock_unlock(&global_flag_stru_p->lock); 720 } 721 722 cmdline_parse_token_string_t cmd_show_show = 723 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 724 725 cmdline_parse_inst_t cmd_show = { 726 .f = cmd_show_parsed, /* function to call */ 727 .data = NULL, /* 2nd arg of func */ 728 .help_str = "this command do not handle any arguments", 729 .tokens = { /* token list, NULL terminated */ 730 (void *)&cmd_show_show, 731 NULL, 732 }, 733 }; 734 735 /****** CONTEXT (list of instruction) */ 736 737 cmdline_parse_ctx_t main_ctx[] = { 738 (cmdline_parse_inst_t *)&cmd_start, 739 (cmdline_parse_inst_t *)&cmd_obj_send, 740 (cmdline_parse_inst_t *)&cmd_stop, 741 (cmdline_parse_inst_t *)&cmd_show, 742 (cmdline_parse_inst_t *)&cmd_quit, 743 (cmdline_parse_inst_t *)&cmd_help, 744 NULL, 745 }; 746 747 /* prompt function, called from main on MASTER lcore */ 748 static void prompt(__attribute__((unused)) void *arg1) 749 { 750 struct cmdline *cl; 751 752 cl = cmdline_stdin_new(main_ctx, "bond6>"); 753 if (cl != NULL) { 754 cmdline_interact(cl); 755 cmdline_stdin_exit(cl); 756 } 757 } 758 759 /* Main function, does initialisation and calls the per-lcore functions */ 760 int 761 main(int argc, char *argv[]) 762 { 763 int ret; 764 uint16_t nb_ports, i; 765 766 /* init EAL */ 767 ret = rte_eal_init(argc, argv); 768 rte_devargs_dump(stdout); 769 if (ret < 0) 770 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 771 argc -= ret; 772 argv += ret; 773 774 nb_ports = rte_eth_dev_count_avail(); 775 if (nb_ports == 0) 776 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 777 else if (nb_ports > MAX_PORTS) 778 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 779 780 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32, 781 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 782 if (mbuf_pool == NULL) 783 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 784 785 /* initialize all ports */ 786 slaves_count = nb_ports; 787 RTE_ETH_FOREACH_DEV(i) { 788 slave_port_init(i, mbuf_pool); 789 slaves[i] = i; 790 } 791 792 bond_port_init(mbuf_pool); 793 794 rte_spinlock_init(&global_flag_stru_p->lock); 795 int slave_core_id = rte_lcore_id(); 796 797 /* check state of lcores */ 798 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 799 if (lcore_config[slave_core_id].state != WAIT) 800 return -EBUSY; 801 } 802 /* start lcore main on core != master_core - ARP response thread */ 803 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 804 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 805 return -EPERM; 806 807 global_flag_stru_p->LcoreMainIsRunning = 1; 808 global_flag_stru_p->LcoreMainCore = slave_core_id; 809 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 810 slave_core_id, 811 rte_eal_remote_launch((lcore_function_t *)lcore_main, 812 NULL, 813 slave_core_id), 814 BOND_IP_1, 815 BOND_IP_2, 816 BOND_IP_3, 817 BOND_IP_4 818 ); 819 820 /* Start prompt for user interact */ 821 prompt(NULL); 822 823 rte_delay_ms(100); 824 return 0; 825 } 826