1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdint.h> 35 #include <sys/queue.h> 36 #include <sys/socket.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <stdio.h> 40 #include <assert.h> 41 #include <errno.h> 42 #include <signal.h> 43 #include <stdarg.h> 44 #include <inttypes.h> 45 #include <getopt.h> 46 #include <termios.h> 47 #include <unistd.h> 48 #include <pthread.h> 49 50 #include <rte_common.h> 51 #include <rte_log.h> 52 #include <rte_memory.h> 53 #include <rte_memcpy.h> 54 #include <rte_eal.h> 55 #include <rte_launch.h> 56 #include <rte_atomic.h> 57 #include <rte_cycles.h> 58 #include <rte_prefetch.h> 59 #include <rte_lcore.h> 60 #include <rte_per_lcore.h> 61 #include <rte_branch_prediction.h> 62 #include <rte_interrupts.h> 63 #include <rte_random.h> 64 #include <rte_debug.h> 65 #include <rte_ether.h> 66 #include <rte_ethdev.h> 67 #include <rte_mempool.h> 68 #include <rte_mbuf.h> 69 #include <rte_ip.h> 70 #include <rte_tcp.h> 71 #include <rte_arp.h> 72 #include <rte_spinlock.h> 73 74 #include <cmdline_rdline.h> 75 #include <cmdline_parse.h> 76 #include <cmdline_parse_num.h> 77 #include <cmdline_parse_string.h> 78 #include <cmdline_parse_ipaddr.h> 79 #include <cmdline_parse_etheraddr.h> 80 #include <cmdline_socket.h> 81 #include <cmdline.h> 82 83 #include "main.h" 84 85 #include <rte_devargs.h> 86 87 88 #include "rte_byteorder.h" 89 #include "rte_cpuflags.h" 90 #include "rte_eth_bond.h" 91 92 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1 93 94 #define NB_MBUF (1024*8) 95 96 #define MAX_PKT_BURST 32 97 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 98 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */ 99 100 /* 101 * RX and TX Prefetch, Host, and Write-back threshold values should be 102 * carefully set for optimal performance. Consult the network 103 * controller's datasheet and supporting DPDK documentation for guidance 104 * on how these parameters should be set. 105 */ 106 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ 107 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ 108 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ 109 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */ 110 111 /* 112 * These default values are optimized for use with the Intel(R) 82599 10 GbE 113 * Controller and the DPDK ixgbe PMD. Consider using other values for other 114 * network controllers and/or network drivers. 115 */ 116 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ 117 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ 118 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ 119 120 /* 121 * Configurable number of RX/TX ring descriptors 122 */ 123 #define RTE_RX_DESC_DEFAULT 128 124 #define RTE_TX_DESC_DEFAULT 512 125 126 #define BOND_IP_1 7 127 #define BOND_IP_2 0 128 #define BOND_IP_3 0 129 #define BOND_IP_4 10 130 131 /* not defined under linux */ 132 #ifndef NIPQUAD 133 #define NIPQUAD_FMT "%u.%u.%u.%u" 134 #endif 135 136 #define MAX_PORTS 4 137 #define PRINT_MAC(addr) printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \ 138 ":%02"PRIx8":%02"PRIx8":%02"PRIx8, \ 139 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \ 140 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]) 141 142 uint16_t slaves[RTE_MAX_ETHPORTS]; 143 uint16_t slaves_count; 144 145 static uint16_t BOND_PORT = 0xffff; 146 147 static struct rte_mempool *mbuf_pool; 148 149 static struct rte_eth_conf port_conf = { 150 .rxmode = { 151 .mq_mode = ETH_MQ_RX_NONE, 152 .max_rx_pkt_len = ETHER_MAX_LEN, 153 .split_hdr_size = 0, 154 .header_split = 0, /**< Header Split disabled */ 155 .hw_ip_checksum = 0, /**< IP checksum offload enabled */ 156 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 157 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 158 .hw_strip_crc = 1, /**< CRC stripped by hardware */ 159 }, 160 .rx_adv_conf = { 161 .rss_conf = { 162 .rss_key = NULL, 163 .rss_hf = ETH_RSS_IP, 164 }, 165 }, 166 .txmode = { 167 .mq_mode = ETH_MQ_TX_NONE, 168 }, 169 }; 170 171 static void 172 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool) 173 { 174 int retval; 175 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 176 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 177 178 if (portid >= rte_eth_dev_count()) 179 rte_exit(EXIT_FAILURE, "Invalid port\n"); 180 181 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf); 182 if (retval != 0) 183 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 184 portid, retval); 185 186 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd); 187 if (retval != 0) 188 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc " 189 "failed (res=%d)\n", portid, retval); 190 191 /* RX setup */ 192 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 193 rte_eth_dev_socket_id(portid), NULL, 194 mbuf_pool); 195 if (retval < 0) 196 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 197 portid, retval); 198 199 /* TX setup */ 200 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd, 201 rte_eth_dev_socket_id(portid), NULL); 202 203 if (retval < 0) 204 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 205 portid, retval); 206 207 retval = rte_eth_dev_start(portid); 208 if (retval < 0) 209 rte_exit(retval, 210 "Start port %d failed (res=%d)", 211 portid, retval); 212 213 struct ether_addr addr; 214 215 rte_eth_macaddr_get(portid, &addr); 216 printf("Port %u MAC: ", portid); 217 PRINT_MAC(addr); 218 printf("\n"); 219 } 220 221 static void 222 bond_port_init(struct rte_mempool *mbuf_pool) 223 { 224 int retval; 225 uint8_t i; 226 uint16_t nb_rxd = RTE_RX_DESC_DEFAULT; 227 uint16_t nb_txd = RTE_TX_DESC_DEFAULT; 228 229 retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB, 230 0 /*SOCKET_ID_ANY*/); 231 if (retval < 0) 232 rte_exit(EXIT_FAILURE, 233 "Faled to create bond port\n"); 234 235 BOND_PORT = retval; 236 237 retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &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 /* RX setup */ 248 retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd, 249 rte_eth_dev_socket_id(BOND_PORT), NULL, 250 mbuf_pool); 251 if (retval < 0) 252 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 253 BOND_PORT, retval); 254 255 /* TX setup */ 256 retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd, 257 rte_eth_dev_socket_id(BOND_PORT), NULL); 258 259 if (retval < 0) 260 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 261 BOND_PORT, retval); 262 263 for (i = 0; i < slaves_count; i++) { 264 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1) 265 rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n", 266 slaves[i], BOND_PORT); 267 268 } 269 270 retval = rte_eth_dev_start(BOND_PORT); 271 if (retval < 0) 272 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval); 273 274 rte_eth_promiscuous_enable(BOND_PORT); 275 276 struct ether_addr addr; 277 278 rte_eth_macaddr_get(BOND_PORT, &addr); 279 printf("Port %u MAC: ", (unsigned)BOND_PORT); 280 PRINT_MAC(addr); 281 printf("\n"); 282 } 283 284 static inline size_t 285 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto) 286 { 287 size_t vlan_offset = 0; 288 289 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 290 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); 291 292 vlan_offset = sizeof(struct vlan_hdr); 293 *proto = vlan_hdr->eth_proto; 294 295 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 296 vlan_hdr = vlan_hdr + 1; 297 298 *proto = vlan_hdr->eth_proto; 299 vlan_offset += sizeof(struct vlan_hdr); 300 } 301 } 302 return vlan_offset; 303 } 304 305 struct global_flag_stru_t { 306 int LcoreMainIsRunning; 307 int LcoreMainCore; 308 uint32_t port_packets[4]; 309 rte_spinlock_t lock; 310 }; 311 struct global_flag_stru_t global_flag_stru; 312 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 313 314 /* 315 * Main thread that does the work, reading from INPUT_PORT 316 * and writing to OUTPUT_PORT 317 */ 318 static int lcore_main(__attribute__((unused)) void *arg1) 319 { 320 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 321 struct ether_addr d_addr; 322 323 struct ether_hdr *eth_hdr; 324 struct arp_hdr *arp_hdr; 325 struct ipv4_hdr *ipv4_hdr; 326 uint16_t ether_type, offset; 327 328 uint16_t rx_cnt; 329 uint32_t bond_ip; 330 int i = 0; 331 uint8_t is_free; 332 333 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 334 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 335 336 rte_spinlock_trylock(&global_flag_stru_p->lock); 337 338 while (global_flag_stru_p->LcoreMainIsRunning) { 339 rte_spinlock_unlock(&global_flag_stru_p->lock); 340 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 341 is_free = 0; 342 343 /* If didn't receive any packets, wait and go to next iteration */ 344 if (rx_cnt == 0) { 345 rte_delay_us(50); 346 continue; 347 } 348 349 /* Search incoming data for ARP packets and prepare response */ 350 for (i = 0; i < rx_cnt; i++) { 351 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 352 global_flag_stru_p->port_packets[0]++; 353 rte_spinlock_unlock(&global_flag_stru_p->lock); 354 } 355 eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *); 356 ether_type = eth_hdr->ether_type; 357 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) 358 printf("VLAN taged frame, offset:"); 359 offset = get_vlan_offset(eth_hdr, ðer_type); 360 if (offset > 0) 361 printf("%d\n", offset); 362 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) { 363 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 364 global_flag_stru_p->port_packets[1]++; 365 rte_spinlock_unlock(&global_flag_stru_p->lock); 366 } 367 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset); 368 if (arp_hdr->arp_data.arp_tip == bond_ip) { 369 if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) { 370 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY); 371 /* Switch src and dst data and set bonding MAC */ 372 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 373 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 374 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha); 375 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 376 rte_eth_macaddr_get(BOND_PORT, &d_addr); 377 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 378 arp_hdr->arp_data.arp_sip = bond_ip; 379 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 380 is_free = 1; 381 } else { 382 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 383 } 384 } 385 } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) { 386 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 387 global_flag_stru_p->port_packets[2]++; 388 rte_spinlock_unlock(&global_flag_stru_p->lock); 389 } 390 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 391 if (ipv4_hdr->dst_addr == bond_ip) { 392 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 393 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 394 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 395 ipv4_hdr->src_addr = bond_ip; 396 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 397 } 398 399 } 400 401 /* Free processed packets */ 402 if (is_free == 0) 403 rte_pktmbuf_free(pkts[i]); 404 } 405 rte_spinlock_trylock(&global_flag_stru_p->lock); 406 } 407 rte_spinlock_unlock(&global_flag_stru_p->lock); 408 printf("BYE lcore_main\n"); 409 return 0; 410 } 411 412 struct cmd_obj_send_result { 413 cmdline_fixed_string_t action; 414 cmdline_ipaddr_t ip; 415 }; 416 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 417 { 418 snprintf(buf, size, NIPQUAD_FMT, 419 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 420 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 421 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 422 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 423 ); 424 } 425 static void cmd_obj_send_parsed(void *parsed_result, 426 __attribute__((unused)) struct cmdline *cl, 427 __attribute__((unused)) void *data) 428 { 429 430 struct cmd_obj_send_result *res = parsed_result; 431 char ip_str[INET6_ADDRSTRLEN]; 432 433 struct rte_mbuf *created_pkt; 434 struct ether_hdr *eth_hdr; 435 struct arp_hdr *arp_hdr; 436 437 uint32_t bond_ip; 438 size_t pkt_size; 439 440 if (res->ip.family == AF_INET) 441 get_string(res, ip_str, INET_ADDRSTRLEN); 442 else 443 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 444 445 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 446 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 447 448 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 449 if (created_pkt == NULL) { 450 cmdline_printf(cl, "Failed to allocate mbuf\n"); 451 return; 452 } 453 454 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr); 455 created_pkt->data_len = pkt_size; 456 created_pkt->pkt_len = pkt_size; 457 458 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *); 459 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 460 memset(ð_hdr->d_addr, 0xFF, ETHER_ADDR_LEN); 461 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP); 462 463 arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr)); 464 arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER); 465 arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 466 arp_hdr->arp_hln = ETHER_ADDR_LEN; 467 arp_hdr->arp_pln = sizeof(uint32_t); 468 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST); 469 470 rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha); 471 arp_hdr->arp_data.arp_sip = bond_ip; 472 memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN); 473 arp_hdr->arp_data.arp_tip = 474 ((unsigned char *)&res->ip.addr.ipv4)[0] | 475 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 476 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 477 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 478 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 479 480 rte_delay_ms(100); 481 cmdline_printf(cl, "\n"); 482 } 483 484 cmdline_parse_token_string_t cmd_obj_action_send = 485 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 486 cmdline_parse_token_ipaddr_t cmd_obj_ip = 487 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 488 489 cmdline_parse_inst_t cmd_obj_send = { 490 .f = cmd_obj_send_parsed, /* function to call */ 491 .data = NULL, /* 2nd arg of func */ 492 .help_str = "send client_ip", 493 .tokens = { /* token list, NULL terminated */ 494 (void *)&cmd_obj_action_send, 495 (void *)&cmd_obj_ip, 496 NULL, 497 }, 498 }; 499 500 struct cmd_start_result { 501 cmdline_fixed_string_t start; 502 }; 503 504 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 505 struct cmdline *cl, 506 __attribute__((unused)) void *data) 507 { 508 int slave_core_id = rte_lcore_id(); 509 510 rte_spinlock_trylock(&global_flag_stru_p->lock); 511 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 512 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT) { 513 rte_spinlock_unlock(&global_flag_stru_p->lock); 514 return; 515 } 516 rte_spinlock_unlock(&global_flag_stru_p->lock); 517 } else { 518 cmdline_printf(cl, "lcore_main already running on core:%d\n", 519 global_flag_stru_p->LcoreMainCore); 520 rte_spinlock_unlock(&global_flag_stru_p->lock); 521 return; 522 } 523 524 /* start lcore main on core != master_core - ARP response thread */ 525 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 526 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 527 return; 528 529 rte_spinlock_trylock(&global_flag_stru_p->lock); 530 global_flag_stru_p->LcoreMainIsRunning = 1; 531 rte_spinlock_unlock(&global_flag_stru_p->lock); 532 cmdline_printf(cl, 533 "Starting lcore_main on core %d:%d " 534 "Our IP:%d.%d.%d.%d\n", 535 slave_core_id, 536 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 537 BOND_IP_1, 538 BOND_IP_2, 539 BOND_IP_3, 540 BOND_IP_4 541 ); 542 } 543 544 cmdline_parse_token_string_t cmd_start_start = 545 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 546 547 cmdline_parse_inst_t cmd_start = { 548 .f = cmd_start_parsed, /* function to call */ 549 .data = NULL, /* 2nd arg of func */ 550 .help_str = "starts listening if not started at startup", 551 .tokens = { /* token list, NULL terminated */ 552 (void *)&cmd_start_start, 553 NULL, 554 }, 555 }; 556 557 struct cmd_help_result { 558 cmdline_fixed_string_t help; 559 }; 560 561 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 562 struct cmdline *cl, 563 __attribute__((unused)) void *data) 564 { 565 cmdline_printf(cl, 566 "ALB - link bonding mode 6 example\n" 567 "send IP - sends one ARPrequest through bonding for IP.\n" 568 "start - starts listening ARPs.\n" 569 "stop - stops lcore_main.\n" 570 "show - shows some bond info: ex. active slaves etc.\n" 571 "help - prints help.\n" 572 "quit - terminate all threads and quit.\n" 573 ); 574 } 575 576 cmdline_parse_token_string_t cmd_help_help = 577 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 578 579 cmdline_parse_inst_t cmd_help = { 580 .f = cmd_help_parsed, /* function to call */ 581 .data = NULL, /* 2nd arg of func */ 582 .help_str = "show help", 583 .tokens = { /* token list, NULL terminated */ 584 (void *)&cmd_help_help, 585 NULL, 586 }, 587 }; 588 589 struct cmd_stop_result { 590 cmdline_fixed_string_t stop; 591 }; 592 593 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 594 struct cmdline *cl, 595 __attribute__((unused)) void *data) 596 { 597 rte_spinlock_trylock(&global_flag_stru_p->lock); 598 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 599 cmdline_printf(cl, 600 "lcore_main not running on core:%d\n", 601 global_flag_stru_p->LcoreMainCore); 602 rte_spinlock_unlock(&global_flag_stru_p->lock); 603 return; 604 } 605 global_flag_stru_p->LcoreMainIsRunning = 0; 606 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 607 cmdline_printf(cl, 608 "error: lcore_main can not stop on core:%d\n", 609 global_flag_stru_p->LcoreMainCore); 610 else 611 cmdline_printf(cl, 612 "lcore_main stopped on core:%d\n", 613 global_flag_stru_p->LcoreMainCore); 614 rte_spinlock_unlock(&global_flag_stru_p->lock); 615 } 616 617 cmdline_parse_token_string_t cmd_stop_stop = 618 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 619 620 cmdline_parse_inst_t cmd_stop = { 621 .f = cmd_stop_parsed, /* function to call */ 622 .data = NULL, /* 2nd arg of func */ 623 .help_str = "this command do not handle any arguments", 624 .tokens = { /* token list, NULL terminated */ 625 (void *)&cmd_stop_stop, 626 NULL, 627 }, 628 }; 629 630 struct cmd_quit_result { 631 cmdline_fixed_string_t quit; 632 }; 633 634 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 635 struct cmdline *cl, 636 __attribute__((unused)) void *data) 637 { 638 rte_spinlock_trylock(&global_flag_stru_p->lock); 639 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 640 cmdline_printf(cl, 641 "lcore_main not running on core:%d\n", 642 global_flag_stru_p->LcoreMainCore); 643 rte_spinlock_unlock(&global_flag_stru_p->lock); 644 cmdline_quit(cl); 645 return; 646 } 647 global_flag_stru_p->LcoreMainIsRunning = 0; 648 if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0) 649 cmdline_printf(cl, 650 "error: lcore_main can not stop on core:%d\n", 651 global_flag_stru_p->LcoreMainCore); 652 else 653 cmdline_printf(cl, 654 "lcore_main stopped on core:%d\n", 655 global_flag_stru_p->LcoreMainCore); 656 rte_spinlock_unlock(&global_flag_stru_p->lock); 657 cmdline_quit(cl); 658 } 659 660 cmdline_parse_token_string_t cmd_quit_quit = 661 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 662 663 cmdline_parse_inst_t cmd_quit = { 664 .f = cmd_quit_parsed, /* function to call */ 665 .data = NULL, /* 2nd arg of func */ 666 .help_str = "this command do not handle any arguments", 667 .tokens = { /* token list, NULL terminated */ 668 (void *)&cmd_quit_quit, 669 NULL, 670 }, 671 }; 672 673 struct cmd_show_result { 674 cmdline_fixed_string_t show; 675 }; 676 677 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 678 struct cmdline *cl, 679 __attribute__((unused)) void *data) 680 { 681 uint16_t slaves[16] = {0}; 682 uint8_t len = 16; 683 struct ether_addr addr; 684 uint16_t i = 0; 685 686 while (i < slaves_count) { 687 rte_eth_macaddr_get(i, &addr); 688 PRINT_MAC(addr); 689 printf("\n"); 690 i++; 691 } 692 693 rte_spinlock_trylock(&global_flag_stru_p->lock); 694 cmdline_printf(cl, 695 "Active_slaves:%d " 696 "packets received:Tot:%d Arp:%d IPv4:%d\n", 697 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 698 global_flag_stru_p->port_packets[0], 699 global_flag_stru_p->port_packets[1], 700 global_flag_stru_p->port_packets[2]); 701 rte_spinlock_unlock(&global_flag_stru_p->lock); 702 } 703 704 cmdline_parse_token_string_t cmd_show_show = 705 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 706 707 cmdline_parse_inst_t cmd_show = { 708 .f = cmd_show_parsed, /* function to call */ 709 .data = NULL, /* 2nd arg of func */ 710 .help_str = "this command do not handle any arguments", 711 .tokens = { /* token list, NULL terminated */ 712 (void *)&cmd_show_show, 713 NULL, 714 }, 715 }; 716 717 /****** CONTEXT (list of instruction) */ 718 719 cmdline_parse_ctx_t main_ctx[] = { 720 (cmdline_parse_inst_t *)&cmd_start, 721 (cmdline_parse_inst_t *)&cmd_obj_send, 722 (cmdline_parse_inst_t *)&cmd_stop, 723 (cmdline_parse_inst_t *)&cmd_show, 724 (cmdline_parse_inst_t *)&cmd_quit, 725 (cmdline_parse_inst_t *)&cmd_help, 726 NULL, 727 }; 728 729 /* prompt function, called from main on MASTER lcore */ 730 static void prompt(__attribute__((unused)) void *arg1) 731 { 732 struct cmdline *cl; 733 734 cl = cmdline_stdin_new(main_ctx, "bond6>"); 735 if (cl != NULL) { 736 cmdline_interact(cl); 737 cmdline_stdin_exit(cl); 738 } 739 } 740 741 /* Main function, does initialisation and calls the per-lcore functions */ 742 int 743 main(int argc, char *argv[]) 744 { 745 int ret; 746 uint8_t nb_ports, i; 747 748 /* init EAL */ 749 ret = rte_eal_init(argc, argv); 750 rte_eal_devargs_dump(stdout); 751 if (ret < 0) 752 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 753 argc -= ret; 754 argv += ret; 755 756 nb_ports = rte_eth_dev_count(); 757 if (nb_ports == 0) 758 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 759 else if (nb_ports > MAX_PORTS) 760 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 761 762 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32, 763 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 764 if (mbuf_pool == NULL) 765 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 766 767 /* initialize all ports */ 768 slaves_count = nb_ports; 769 for (i = 0; i < nb_ports; i++) { 770 slave_port_init(i, mbuf_pool); 771 slaves[i] = i; 772 } 773 774 bond_port_init(mbuf_pool); 775 776 rte_spinlock_init(&global_flag_stru_p->lock); 777 int slave_core_id = rte_lcore_id(); 778 779 /* check state of lcores */ 780 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 781 if (lcore_config[slave_core_id].state != WAIT) 782 return -EBUSY; 783 } 784 /* start lcore main on core != master_core - ARP response thread */ 785 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 786 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 787 return -EPERM; 788 789 global_flag_stru_p->LcoreMainIsRunning = 1; 790 global_flag_stru_p->LcoreMainCore = slave_core_id; 791 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 792 slave_core_id, 793 rte_eal_remote_launch((lcore_function_t *)lcore_main, 794 NULL, 795 slave_core_id), 796 BOND_IP_1, 797 BOND_IP_2, 798 BOND_IP_3, 799 BOND_IP_4 800 ); 801 802 /* Start prompt for user interact */ 803 prompt(NULL); 804 805 rte_delay_ms(100); 806 return 0; 807 } 808