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 retval = rte_eth_dev_info_get(portid, &dev_info); 152 if (retval != 0) 153 rte_exit(EXIT_FAILURE, 154 "Error during getting device (port %u) info: %s\n", 155 portid, strerror(-retval)); 156 157 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 158 local_port_conf.txmode.offloads |= 159 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 160 161 local_port_conf.rx_adv_conf.rss_conf.rss_hf &= 162 dev_info.flow_type_rss_offloads; 163 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf != 164 port_conf.rx_adv_conf.rss_conf.rss_hf) { 165 printf("Port %u modified RSS hash function based on hardware support," 166 "requested:%#"PRIx64" configured:%#"PRIx64"\n", 167 portid, 168 port_conf.rx_adv_conf.rss_conf.rss_hf, 169 local_port_conf.rx_adv_conf.rss_conf.rss_hf); 170 } 171 172 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 173 if (retval != 0) 174 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 175 portid, retval); 176 177 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd); 178 if (retval != 0) 179 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 180 "failed (res=%d)\n", portid, retval); 181 182 /* RX setup */ 183 rxq_conf = dev_info.default_rxconf; 184 rxq_conf.offloads = local_port_conf.rxmode.offloads; 185 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 186 rte_eth_dev_socket_id(portid), 187 &rxq_conf, 188 mbuf_pool); 189 if (retval < 0) 190 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 191 portid, retval); 192 193 /* TX setup */ 194 txq_conf = dev_info.default_txconf; 195 txq_conf.offloads = local_port_conf.txmode.offloads; 196 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd, 197 rte_eth_dev_socket_id(portid), &txq_conf); 198 199 if (retval < 0) 200 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 201 portid, retval); 202 203 retval = rte_eth_dev_start(portid); 204 if (retval < 0) 205 rte_exit(retval, 206 "Start port %d failed (res=%d)", 207 portid, retval); 208 209 struct rte_ether_addr addr; 210 211 retval = rte_eth_macaddr_get(portid, &addr); 212 if (retval != 0) 213 rte_exit(retval, 214 "Mac address get port %d failed (res=%d)", 215 portid, retval); 216 217 printf("Port %u MAC: ", portid); 218 PRINT_MAC(addr); 219 printf("\n"); 220 } 221 222 static void 223 bond_port_init(struct rte_mempool *mbuf_pool) 224 { 225 int retval; 226 uint8_t i; 227 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 228 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 229 struct rte_eth_dev_info dev_info; 230 struct rte_eth_rxconf rxq_conf; 231 struct rte_eth_txconf txq_conf; 232 struct rte_eth_conf local_port_conf = port_conf; 233 uint16_t wait_counter = 20; 234 235 retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB, 236 0 /*SOCKET_ID_ANY*/); 237 if (retval < 0) 238 rte_exit(EXIT_FAILURE, 239 "Faled to create bond port\n"); 240 241 BOND_PORT = retval; 242 243 retval = rte_eth_dev_info_get(BOND_PORT, &dev_info); 244 if (retval != 0) 245 rte_exit(EXIT_FAILURE, 246 "Error during getting device (port %u) info: %s\n", 247 BOND_PORT, strerror(-retval)); 248 249 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 250 local_port_conf.txmode.offloads |= 251 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 252 retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf); 253 if (retval != 0) 254 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 255 BOND_PORT, retval); 256 257 retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd); 258 if (retval != 0) 259 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 260 "failed (res=%d)\n", BOND_PORT, retval); 261 262 for (i = 0; i < slaves_count; i++) { 263 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1) 264 rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n", 265 slaves[i], BOND_PORT); 266 267 } 268 269 /* RX setup */ 270 rxq_conf = dev_info.default_rxconf; 271 rxq_conf.offloads = local_port_conf.rxmode.offloads; 272 retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd, 273 rte_eth_dev_socket_id(BOND_PORT), 274 &rxq_conf, mbuf_pool); 275 if (retval < 0) 276 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 277 BOND_PORT, retval); 278 279 /* TX setup */ 280 txq_conf = dev_info.default_txconf; 281 txq_conf.offloads = local_port_conf.txmode.offloads; 282 retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd, 283 rte_eth_dev_socket_id(BOND_PORT), &txq_conf); 284 285 if (retval < 0) 286 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 287 BOND_PORT, retval); 288 289 retval = rte_eth_dev_start(BOND_PORT); 290 if (retval < 0) 291 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval); 292 293 printf("Waiting for slaves to become active..."); 294 while (wait_counter) { 295 uint16_t act_slaves[16] = {0}; 296 if (rte_eth_bond_active_slaves_get(BOND_PORT, act_slaves, 16) == 297 slaves_count) { 298 printf("\n"); 299 break; 300 } 301 sleep(1); 302 printf("..."); 303 if (--wait_counter == 0) 304 rte_exit(-1, "\nFailed to activate slaves\n"); 305 } 306 307 retval = rte_eth_promiscuous_enable(BOND_PORT); 308 if (retval != 0) { 309 rte_exit(EXIT_FAILURE, 310 "port %u: promiscuous mode enable failed: %s\n", 311 BOND_PORT, rte_strerror(-retval)); 312 return; 313 } 314 315 struct rte_ether_addr addr; 316 317 retval = rte_eth_macaddr_get(BOND_PORT, &addr); 318 if (retval != 0) 319 rte_exit(retval, "port %u: Mac address get failed (res=%d)", 320 BOND_PORT, retval); 321 322 printf("Port %u MAC: ", (unsigned)BOND_PORT); 323 PRINT_MAC(addr); 324 printf("\n"); 325 } 326 327 static inline size_t 328 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto) 329 { 330 size_t vlan_offset = 0; 331 332 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) { 333 struct rte_vlan_hdr *vlan_hdr = 334 (struct rte_vlan_hdr *)(eth_hdr + 1); 335 336 vlan_offset = sizeof(struct rte_vlan_hdr); 337 *proto = vlan_hdr->eth_proto; 338 339 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) { 340 vlan_hdr = vlan_hdr + 1; 341 342 *proto = vlan_hdr->eth_proto; 343 vlan_offset += sizeof(struct rte_vlan_hdr); 344 } 345 } 346 return vlan_offset; 347 } 348 349 struct global_flag_stru_t { 350 int LcoreMainIsRunning; 351 int LcoreMainCore; 352 uint32_t port_packets[4]; 353 rte_spinlock_t lock; 354 }; 355 struct global_flag_stru_t global_flag_stru; 356 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 357 358 /* 359 * Main thread that does the work, reading from INPUT_PORT 360 * and writing to OUTPUT_PORT 361 */ 362 static int lcore_main(__attribute__((unused)) void *arg1) 363 { 364 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 365 struct rte_ether_addr d_addr; 366 367 struct rte_ether_addr bond_mac_addr; 368 struct rte_ether_hdr *eth_hdr; 369 struct rte_arp_hdr *arp_hdr; 370 struct rte_ipv4_hdr *ipv4_hdr; 371 uint16_t ether_type, offset; 372 373 uint16_t rx_cnt; 374 uint32_t bond_ip; 375 int i = 0; 376 uint8_t is_free; 377 int ret; 378 379 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 380 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 381 382 rte_spinlock_trylock(&global_flag_stru_p->lock); 383 384 while (global_flag_stru_p->LcoreMainIsRunning) { 385 rte_spinlock_unlock(&global_flag_stru_p->lock); 386 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 387 is_free = 0; 388 389 /* If didn't receive any packets, wait and go to next iteration */ 390 if (rx_cnt == 0) { 391 rte_delay_us(50); 392 continue; 393 } 394 395 ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr); 396 if (ret != 0) { 397 printf("Bond (port %u) MAC address get failed: %s.\n" 398 "%u packets dropped", BOND_PORT, strerror(-ret), 399 rx_cnt); 400 rte_pktmbuf_free(pkts[i]); 401 continue; 402 } 403 404 /* Search incoming data for ARP packets and prepare response */ 405 for (i = 0; i < rx_cnt; i++) { 406 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 407 global_flag_stru_p->port_packets[0]++; 408 rte_spinlock_unlock(&global_flag_stru_p->lock); 409 } 410 eth_hdr = rte_pktmbuf_mtod(pkts[i], 411 struct rte_ether_hdr *); 412 ether_type = eth_hdr->ether_type; 413 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN)) 414 printf("VLAN taged frame, offset:"); 415 offset = get_vlan_offset(eth_hdr, ðer_type); 416 if (offset > 0) 417 printf("%d\n", offset); 418 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) { 419 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 420 global_flag_stru_p->port_packets[1]++; 421 rte_spinlock_unlock(&global_flag_stru_p->lock); 422 } 423 arp_hdr = (struct rte_arp_hdr *)( 424 (char *)(eth_hdr + 1) + offset); 425 if (arp_hdr->arp_data.arp_tip == bond_ip) { 426 if (arp_hdr->arp_opcode == rte_cpu_to_be_16(RTE_ARP_OP_REQUEST)) { 427 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REPLY); 428 /* Switch src and dst data and set bonding MAC */ 429 rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 430 rte_ether_addr_copy(&bond_mac_addr, ð_hdr->s_addr); 431 rte_ether_addr_copy(&arp_hdr->arp_data.arp_sha, 432 &arp_hdr->arp_data.arp_tha); 433 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 434 rte_ether_addr_copy(&bond_mac_addr, &d_addr); 435 rte_ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 436 arp_hdr->arp_data.arp_sip = bond_ip; 437 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 438 is_free = 1; 439 } else { 440 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 441 } 442 } 443 } else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) { 444 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 445 global_flag_stru_p->port_packets[2]++; 446 rte_spinlock_unlock(&global_flag_stru_p->lock); 447 } 448 ipv4_hdr = (struct rte_ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 449 if (ipv4_hdr->dst_addr == bond_ip) { 450 rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 451 rte_ether_addr_copy(&bond_mac_addr, ð_hdr->s_addr); 452 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 453 ipv4_hdr->src_addr = bond_ip; 454 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 455 } 456 457 } 458 459 /* Free processed packets */ 460 if (is_free == 0) 461 rte_pktmbuf_free(pkts[i]); 462 } 463 rte_spinlock_trylock(&global_flag_stru_p->lock); 464 } 465 rte_spinlock_unlock(&global_flag_stru_p->lock); 466 printf("BYE lcore_main\n"); 467 return 0; 468 } 469 470 struct cmd_obj_send_result { 471 cmdline_fixed_string_t action; 472 cmdline_ipaddr_t ip; 473 }; 474 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 475 { 476 snprintf(buf, size, NIPQUAD_FMT, 477 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 478 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 479 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 480 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 481 ); 482 } 483 static void cmd_obj_send_parsed(void *parsed_result, 484 __attribute__((unused)) struct cmdline *cl, 485 __attribute__((unused)) void *data) 486 { 487 488 struct cmd_obj_send_result *res = parsed_result; 489 char ip_str[INET6_ADDRSTRLEN]; 490 491 struct rte_ether_addr bond_mac_addr; 492 struct rte_mbuf *created_pkt; 493 struct rte_ether_hdr *eth_hdr; 494 struct rte_arp_hdr *arp_hdr; 495 496 uint32_t bond_ip; 497 size_t pkt_size; 498 int ret; 499 500 if (res->ip.family == AF_INET) 501 get_string(res, ip_str, INET_ADDRSTRLEN); 502 else 503 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 504 505 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 506 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 507 508 ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr); 509 if (ret != 0) { 510 cmdline_printf(cl, 511 "Failed to get bond (port %u) MAC address: %s\n", 512 BOND_PORT, strerror(-ret)); 513 } 514 515 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 516 if (created_pkt == NULL) { 517 cmdline_printf(cl, "Failed to allocate mbuf\n"); 518 return; 519 } 520 521 pkt_size = sizeof(struct rte_ether_hdr) + sizeof(struct rte_arp_hdr); 522 created_pkt->data_len = pkt_size; 523 created_pkt->pkt_len = pkt_size; 524 525 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *); 526 rte_ether_addr_copy(&bond_mac_addr, ð_hdr->s_addr); 527 memset(ð_hdr->d_addr, 0xFF, RTE_ETHER_ADDR_LEN); 528 eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP); 529 530 arp_hdr = (struct rte_arp_hdr *)( 531 (char *)eth_hdr + sizeof(struct rte_ether_hdr)); 532 arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER); 533 arp_hdr->arp_protocol = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4); 534 arp_hdr->arp_hlen = RTE_ETHER_ADDR_LEN; 535 arp_hdr->arp_plen = sizeof(uint32_t); 536 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REQUEST); 537 538 rte_ether_addr_copy(&bond_mac_addr, &arp_hdr->arp_data.arp_sha); 539 arp_hdr->arp_data.arp_sip = bond_ip; 540 memset(&arp_hdr->arp_data.arp_tha, 0, RTE_ETHER_ADDR_LEN); 541 arp_hdr->arp_data.arp_tip = 542 ((unsigned char *)&res->ip.addr.ipv4)[0] | 543 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 544 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 545 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 546 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 547 548 rte_delay_ms(100); 549 cmdline_printf(cl, "\n"); 550 } 551 552 cmdline_parse_token_string_t cmd_obj_action_send = 553 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 554 cmdline_parse_token_ipaddr_t cmd_obj_ip = 555 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 556 557 cmdline_parse_inst_t cmd_obj_send = { 558 .f = cmd_obj_send_parsed, /* function to call */ 559 .data = NULL, /* 2nd arg of func */ 560 .help_str = "send client_ip", 561 .tokens = { /* token list, NULL terminated */ 562 (void *)&cmd_obj_action_send, 563 (void *)&cmd_obj_ip, 564 NULL, 565 }, 566 }; 567 568 struct cmd_start_result { 569 cmdline_fixed_string_t start; 570 }; 571 572 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 573 struct cmdline *cl, 574 __attribute__((unused)) void *data) 575 { 576 int slave_core_id = rte_lcore_id(); 577 578 rte_spinlock_trylock(&global_flag_stru_p->lock); 579 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 580 if (rte_eal_get_lcore_state(global_flag_stru_p->LcoreMainCore) 581 != WAIT) { 582 rte_spinlock_unlock(&global_flag_stru_p->lock); 583 return; 584 } 585 rte_spinlock_unlock(&global_flag_stru_p->lock); 586 } else { 587 cmdline_printf(cl, "lcore_main already running on core:%d\n", 588 global_flag_stru_p->LcoreMainCore); 589 rte_spinlock_unlock(&global_flag_stru_p->lock); 590 return; 591 } 592 593 /* start lcore main on core != master_core - ARP response thread */ 594 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 595 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 596 return; 597 598 rte_spinlock_trylock(&global_flag_stru_p->lock); 599 global_flag_stru_p->LcoreMainIsRunning = 1; 600 rte_spinlock_unlock(&global_flag_stru_p->lock); 601 cmdline_printf(cl, 602 "Starting lcore_main on core %d:%d " 603 "Our IP:%d.%d.%d.%d\n", 604 slave_core_id, 605 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 606 BOND_IP_1, 607 BOND_IP_2, 608 BOND_IP_3, 609 BOND_IP_4 610 ); 611 } 612 613 cmdline_parse_token_string_t cmd_start_start = 614 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 615 616 cmdline_parse_inst_t cmd_start = { 617 .f = cmd_start_parsed, /* function to call */ 618 .data = NULL, /* 2nd arg of func */ 619 .help_str = "starts listening if not started at startup", 620 .tokens = { /* token list, NULL terminated */ 621 (void *)&cmd_start_start, 622 NULL, 623 }, 624 }; 625 626 struct cmd_help_result { 627 cmdline_fixed_string_t help; 628 }; 629 630 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 631 struct cmdline *cl, 632 __attribute__((unused)) void *data) 633 { 634 cmdline_printf(cl, 635 "ALB - link bonding mode 6 example\n" 636 "send IP - sends one ARPrequest through bonding for IP.\n" 637 "start - starts listening ARPs.\n" 638 "stop - stops lcore_main.\n" 639 "show - shows some bond info: ex. active slaves etc.\n" 640 "help - prints help.\n" 641 "quit - terminate all threads and quit.\n" 642 ); 643 } 644 645 cmdline_parse_token_string_t cmd_help_help = 646 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 647 648 cmdline_parse_inst_t cmd_help = { 649 .f = cmd_help_parsed, /* function to call */ 650 .data = NULL, /* 2nd arg of func */ 651 .help_str = "show help", 652 .tokens = { /* token list, NULL terminated */ 653 (void *)&cmd_help_help, 654 NULL, 655 }, 656 }; 657 658 struct cmd_stop_result { 659 cmdline_fixed_string_t stop; 660 }; 661 662 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 663 struct cmdline *cl, 664 __attribute__((unused)) void *data) 665 { 666 rte_spinlock_trylock(&global_flag_stru_p->lock); 667 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 668 cmdline_printf(cl, 669 "lcore_main not running on core:%d\n", 670 global_flag_stru_p->LcoreMainCore); 671 rte_spinlock_unlock(&global_flag_stru_p->lock); 672 return; 673 } 674 global_flag_stru_p->LcoreMainIsRunning = 0; 675 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 676 cmdline_printf(cl, 677 "error: lcore_main can not stop on core:%d\n", 678 global_flag_stru_p->LcoreMainCore); 679 else 680 cmdline_printf(cl, 681 "lcore_main stopped on core:%d\n", 682 global_flag_stru_p->LcoreMainCore); 683 rte_spinlock_unlock(&global_flag_stru_p->lock); 684 } 685 686 cmdline_parse_token_string_t cmd_stop_stop = 687 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 688 689 cmdline_parse_inst_t cmd_stop = { 690 .f = cmd_stop_parsed, /* function to call */ 691 .data = NULL, /* 2nd arg of func */ 692 .help_str = "this command do not handle any arguments", 693 .tokens = { /* token list, NULL terminated */ 694 (void *)&cmd_stop_stop, 695 NULL, 696 }, 697 }; 698 699 struct cmd_quit_result { 700 cmdline_fixed_string_t quit; 701 }; 702 703 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 704 struct cmdline *cl, 705 __attribute__((unused)) void *data) 706 { 707 rte_spinlock_trylock(&global_flag_stru_p->lock); 708 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 709 cmdline_printf(cl, 710 "lcore_main not running on core:%d\n", 711 global_flag_stru_p->LcoreMainCore); 712 rte_spinlock_unlock(&global_flag_stru_p->lock); 713 cmdline_quit(cl); 714 return; 715 } 716 global_flag_stru_p->LcoreMainIsRunning = 0; 717 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 718 cmdline_printf(cl, 719 "error: lcore_main can not stop on core:%d\n", 720 global_flag_stru_p->LcoreMainCore); 721 else 722 cmdline_printf(cl, 723 "lcore_main stopped on core:%d\n", 724 global_flag_stru_p->LcoreMainCore); 725 rte_spinlock_unlock(&global_flag_stru_p->lock); 726 cmdline_quit(cl); 727 } 728 729 cmdline_parse_token_string_t cmd_quit_quit = 730 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 731 732 cmdline_parse_inst_t cmd_quit = { 733 .f = cmd_quit_parsed, /* function to call */ 734 .data = NULL, /* 2nd arg of func */ 735 .help_str = "this command do not handle any arguments", 736 .tokens = { /* token list, NULL terminated */ 737 (void *)&cmd_quit_quit, 738 NULL, 739 }, 740 }; 741 742 struct cmd_show_result { 743 cmdline_fixed_string_t show; 744 }; 745 746 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 747 struct cmdline *cl, 748 __attribute__((unused)) void *data) 749 { 750 uint16_t slaves[16] = {0}; 751 uint8_t len = 16; 752 struct rte_ether_addr addr; 753 uint16_t i; 754 int ret; 755 756 for (i = 0; i < slaves_count; i++) { 757 ret = rte_eth_macaddr_get(i, &addr); 758 if (ret != 0) { 759 cmdline_printf(cl, 760 "Failed to get port %u MAC address: %s\n", 761 i, strerror(-ret)); 762 continue; 763 } 764 765 PRINT_MAC(addr); 766 printf("\n"); 767 } 768 769 rte_spinlock_trylock(&global_flag_stru_p->lock); 770 cmdline_printf(cl, 771 "Active_slaves:%d " 772 "packets received:Tot:%d Arp:%d IPv4:%d\n", 773 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 774 global_flag_stru_p->port_packets[0], 775 global_flag_stru_p->port_packets[1], 776 global_flag_stru_p->port_packets[2]); 777 rte_spinlock_unlock(&global_flag_stru_p->lock); 778 } 779 780 cmdline_parse_token_string_t cmd_show_show = 781 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 782 783 cmdline_parse_inst_t cmd_show = { 784 .f = cmd_show_parsed, /* function to call */ 785 .data = NULL, /* 2nd arg of func */ 786 .help_str = "this command do not handle any arguments", 787 .tokens = { /* token list, NULL terminated */ 788 (void *)&cmd_show_show, 789 NULL, 790 }, 791 }; 792 793 /****** CONTEXT (list of instruction) */ 794 795 cmdline_parse_ctx_t main_ctx[] = { 796 (cmdline_parse_inst_t *)&cmd_start, 797 (cmdline_parse_inst_t *)&cmd_obj_send, 798 (cmdline_parse_inst_t *)&cmd_stop, 799 (cmdline_parse_inst_t *)&cmd_show, 800 (cmdline_parse_inst_t *)&cmd_quit, 801 (cmdline_parse_inst_t *)&cmd_help, 802 NULL, 803 }; 804 805 /* prompt function, called from main on MASTER lcore */ 806 static void prompt(__attribute__((unused)) void *arg1) 807 { 808 struct cmdline *cl; 809 810 cl = cmdline_stdin_new(main_ctx, "bond6>"); 811 if (cl != NULL) { 812 cmdline_interact(cl); 813 cmdline_stdin_exit(cl); 814 } 815 } 816 817 /* Main function, does initialisation and calls the per-lcore functions */ 818 int 819 main(int argc, char *argv[]) 820 { 821 int ret, slave_core_id; 822 uint16_t nb_ports, i; 823 824 /* init EAL */ 825 ret = rte_eal_init(argc, argv); 826 rte_devargs_dump(stdout); 827 if (ret < 0) 828 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 829 argc -= ret; 830 argv += ret; 831 832 nb_ports = rte_eth_dev_count_avail(); 833 if (nb_ports == 0) 834 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 835 else if (nb_ports > MAX_PORTS) 836 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 837 838 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32, 839 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 840 if (mbuf_pool == NULL) 841 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 842 843 /* initialize all ports */ 844 slaves_count = nb_ports; 845 RTE_ETH_FOREACH_DEV(i) { 846 slave_port_init(i, mbuf_pool); 847 slaves[i] = i; 848 } 849 850 bond_port_init(mbuf_pool); 851 852 rte_spinlock_init(&global_flag_stru_p->lock); 853 854 /* check state of lcores */ 855 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 856 if (rte_eal_get_lcore_state(slave_core_id) != WAIT) 857 return -EBUSY; 858 } 859 860 /* start lcore main on core != master_core - ARP response thread */ 861 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 862 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 863 return -EPERM; 864 865 global_flag_stru_p->LcoreMainIsRunning = 1; 866 global_flag_stru_p->LcoreMainCore = slave_core_id; 867 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 868 slave_core_id, 869 rte_eal_remote_launch((lcore_function_t *)lcore_main, 870 NULL, 871 slave_core_id), 872 BOND_IP_1, 873 BOND_IP_2, 874 BOND_IP_3, 875 BOND_IP_4 876 ); 877 878 /* Start prompt for user interact */ 879 prompt(NULL); 880 881 rte_delay_ms(100); 882 return 0; 883 } 884