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 <stdlib.h> 37 #include <string.h> 38 #include <stdio.h> 39 #include <assert.h> 40 #include <errno.h> 41 #include <signal.h> 42 #include <stdarg.h> 43 #include <inttypes.h> 44 #include <getopt.h> 45 #include <termios.h> 46 #include <unistd.h> 47 #include <pthread.h> 48 49 #include <rte_common.h> 50 #include <rte_log.h> 51 #include <rte_memory.h> 52 #include <rte_memcpy.h> 53 #include <rte_memzone.h> 54 #include <rte_tailq.h> 55 #include <rte_eal.h> 56 #include <rte_per_lcore.h> 57 #include <rte_launch.h> 58 #include <rte_atomic.h> 59 #include <rte_cycles.h> 60 #include <rte_prefetch.h> 61 #include <rte_lcore.h> 62 #include <rte_per_lcore.h> 63 #include <rte_branch_prediction.h> 64 #include <rte_interrupts.h> 65 #include <rte_pci.h> 66 #include <rte_random.h> 67 #include <rte_debug.h> 68 #include <rte_ether.h> 69 #include <rte_ethdev.h> 70 #include <rte_ring.h> 71 #include <rte_log.h> 72 #include <rte_mempool.h> 73 #include <rte_mbuf.h> 74 #include <rte_memcpy.h> 75 #include <rte_ip.h> 76 #include <rte_tcp.h> 77 #include <rte_arp.h> 78 #include <rte_spinlock.h> 79 80 #include <cmdline_rdline.h> 81 #include <cmdline_parse.h> 82 #include <cmdline_parse_num.h> 83 #include <cmdline_parse_string.h> 84 #include <cmdline_parse_ipaddr.h> 85 #include <cmdline_parse_etheraddr.h> 86 #include <cmdline_socket.h> 87 #include <cmdline.h> 88 89 #include "main.h" 90 91 #include <rte_devargs.h> 92 93 94 #include "rte_byteorder.h" 95 #include "rte_cpuflags.h" 96 #include "rte_eth_bond.h" 97 98 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1 99 100 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) 101 #define NB_MBUF (1024*8) 102 103 #define MAX_PKT_BURST 32 104 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ 105 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */ 106 107 /* 108 * RX and TX Prefetch, Host, and Write-back threshold values should be 109 * carefully set for optimal performance. Consult the network 110 * controller's datasheet and supporting DPDK documentation for guidance 111 * on how these parameters should be set. 112 */ 113 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ 114 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ 115 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ 116 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */ 117 118 /* 119 * These default values are optimized for use with the Intel(R) 82599 10 GbE 120 * Controller and the DPDK ixgbe PMD. Consider using other values for other 121 * network controllers and/or network drivers. 122 */ 123 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ 124 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ 125 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ 126 127 /* 128 * Configurable number of RX/TX ring descriptors 129 */ 130 #define RTE_RX_DESC_DEFAULT 128 131 #define RTE_TX_DESC_DEFAULT 512 132 133 #define BOND_IP_1 7 134 #define BOND_IP_2 0 135 #define BOND_IP_3 0 136 #define BOND_IP_4 10 137 138 /* not defined under linux */ 139 #ifndef NIPQUAD 140 #define NIPQUAD_FMT "%u.%u.%u.%u" 141 #endif 142 143 #define MAX_PORTS 4 144 #define PRINT_MAC(addr) printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \ 145 ":%02"PRIx8":%02"PRIx8":%02"PRIx8, \ 146 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \ 147 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]) 148 149 uint8_t slaves[RTE_MAX_ETHPORTS]; 150 uint8_t slaves_count; 151 152 static uint8_t BOND_PORT = 0xff; 153 154 static struct rte_mempool *mbuf_pool; 155 156 static struct rte_eth_conf port_conf = { 157 .rxmode = { 158 .mq_mode = ETH_MQ_RX_NONE, 159 .max_rx_pkt_len = ETHER_MAX_LEN, 160 .split_hdr_size = 0, 161 .header_split = 0, /**< Header Split disabled */ 162 .hw_ip_checksum = 0, /**< IP checksum offload enabled */ 163 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 164 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 165 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 166 }, 167 .rx_adv_conf = { 168 .rss_conf = { 169 .rss_key = NULL, 170 .rss_hf = ETH_RSS_IP, 171 }, 172 }, 173 .txmode = { 174 .mq_mode = ETH_MQ_TX_NONE, 175 }, 176 }; 177 178 static void 179 slave_port_init(uint8_t portid, struct rte_mempool *mbuf_pool) 180 { 181 int retval; 182 183 if (portid >= rte_eth_dev_count()) 184 rte_exit(EXIT_FAILURE, "Invalid port\n"); 185 186 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf); 187 if (retval != 0) 188 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 189 portid, retval); 190 191 /* RX setup */ 192 retval = rte_eth_rx_queue_setup(portid, 0, RTE_RX_DESC_DEFAULT, 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, RTE_TX_DESC_DEFAULT, 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: ", (unsigned)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; 226 227 retval = rte_eth_bond_create("bond0", BONDING_MODE_ALB, 228 0 /*SOCKET_ID_ANY*/); 229 if (retval < 0) 230 rte_exit(EXIT_FAILURE, 231 "Faled to create bond port\n"); 232 233 BOND_PORT = (uint8_t)retval; 234 235 retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf); 236 if (retval != 0) 237 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n", 238 BOND_PORT, retval); 239 240 /* RX setup */ 241 retval = rte_eth_rx_queue_setup(BOND_PORT, 0, RTE_RX_DESC_DEFAULT, 242 rte_eth_dev_socket_id(BOND_PORT), NULL, 243 mbuf_pool); 244 if (retval < 0) 245 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)", 246 BOND_PORT, retval); 247 248 /* TX setup */ 249 retval = rte_eth_tx_queue_setup(BOND_PORT, 0, RTE_TX_DESC_DEFAULT, 250 rte_eth_dev_socket_id(BOND_PORT), NULL); 251 252 if (retval < 0) 253 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)", 254 BOND_PORT, retval); 255 256 for (i = 0; i < slaves_count; i++) { 257 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1) 258 rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n", 259 slaves[i], BOND_PORT); 260 261 } 262 263 retval = rte_eth_dev_start(BOND_PORT); 264 if (retval < 0) 265 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval); 266 267 rte_eth_promiscuous_enable(BOND_PORT); 268 269 struct ether_addr addr; 270 271 rte_eth_macaddr_get(BOND_PORT, &addr); 272 printf("Port %u MAC: ", (unsigned)BOND_PORT); 273 PRINT_MAC(addr); 274 printf("\n"); 275 } 276 277 static inline size_t 278 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto) 279 { 280 size_t vlan_offset = 0; 281 282 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 283 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1); 284 285 vlan_offset = sizeof(struct vlan_hdr); 286 *proto = vlan_hdr->eth_proto; 287 288 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) { 289 vlan_hdr = vlan_hdr + 1; 290 291 *proto = vlan_hdr->eth_proto; 292 vlan_offset += sizeof(struct vlan_hdr); 293 } 294 } 295 return vlan_offset; 296 } 297 298 struct global_flag_stru_t { 299 int LcoreMainIsRunning; 300 int LcoreMainCore; 301 uint32_t port_packets[4]; 302 rte_spinlock_t lock; 303 }; 304 struct global_flag_stru_t global_flag_stru; 305 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru; 306 307 /* 308 * Main thread that does the work, reading from INPUT_PORT 309 * and writing to OUTPUT_PORT 310 */ 311 static int lcore_main(__attribute__((unused)) void *arg1) 312 { 313 struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned; 314 struct ether_addr d_addr; 315 316 struct ether_hdr *eth_hdr; 317 struct arp_hdr *arp_hdr; 318 struct ipv4_hdr *ipv4_hdr; 319 uint16_t ether_type, offset; 320 321 uint16_t rx_cnt; 322 uint32_t bond_ip; 323 int i = 0; 324 uint8_t is_free; 325 326 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 327 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 328 329 rte_spinlock_trylock(&global_flag_stru_p->lock); 330 331 while (global_flag_stru_p->LcoreMainIsRunning) { 332 rte_spinlock_unlock(&global_flag_stru_p->lock); 333 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST); 334 is_free = 0; 335 336 /* If didn't receive any packets, wait and go to next iteration */ 337 if (rx_cnt == 0) { 338 rte_delay_us(50); 339 continue; 340 } 341 342 /* Search incoming data for ARP packets and prepare response */ 343 for (i = 0; i < rx_cnt; i++) { 344 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 345 global_flag_stru_p->port_packets[0]++; 346 rte_spinlock_unlock(&global_flag_stru_p->lock); 347 } 348 eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *); 349 ether_type = eth_hdr->ether_type; 350 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) 351 printf("VLAN taged frame, offset:"); 352 offset = get_vlan_offset(eth_hdr, ðer_type); 353 if (offset > 0) 354 printf("%d\n", offset); 355 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) { 356 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 357 global_flag_stru_p->port_packets[1]++; 358 rte_spinlock_unlock(&global_flag_stru_p->lock); 359 } 360 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset); 361 if (arp_hdr->arp_data.arp_tip == bond_ip) { 362 if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) { 363 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY); 364 /* Switch src and dst data and set bonding MAC */ 365 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 366 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 367 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha); 368 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip; 369 rte_eth_macaddr_get(BOND_PORT, &d_addr); 370 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha); 371 arp_hdr->arp_data.arp_sip = bond_ip; 372 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 373 is_free = 1; 374 } else { 375 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0); 376 } 377 } 378 } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) { 379 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) { 380 global_flag_stru_p->port_packets[2]++; 381 rte_spinlock_unlock(&global_flag_stru_p->lock); 382 } 383 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset); 384 if (ipv4_hdr->dst_addr == bond_ip) { 385 ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); 386 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 387 ipv4_hdr->dst_addr = ipv4_hdr->src_addr; 388 ipv4_hdr->src_addr = bond_ip; 389 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1); 390 } 391 392 } 393 394 /* Free processed packets */ 395 if (is_free == 0) 396 rte_pktmbuf_free(pkts[i]); 397 } 398 rte_spinlock_trylock(&global_flag_stru_p->lock); 399 } 400 rte_spinlock_unlock(&global_flag_stru_p->lock); 401 printf("BYE lcore_main\n"); 402 return 0; 403 } 404 405 struct cmd_obj_send_result { 406 cmdline_fixed_string_t action; 407 cmdline_ipaddr_t ip; 408 }; 409 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size) 410 { 411 snprintf(buf, size, NIPQUAD_FMT, 412 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]), 413 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]), 414 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]), 415 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3]) 416 ); 417 } 418 static void cmd_obj_send_parsed(void *parsed_result, 419 __attribute__((unused)) struct cmdline *cl, 420 __attribute__((unused)) void *data) 421 { 422 423 struct cmd_obj_send_result *res = parsed_result; 424 char ip_str[INET6_ADDRSTRLEN]; 425 426 struct rte_mbuf *created_pkt; 427 struct ether_hdr *eth_hdr; 428 struct arp_hdr *arp_hdr; 429 430 uint32_t bond_ip; 431 size_t pkt_size; 432 433 if (res->ip.family == AF_INET) 434 get_string(res, ip_str, INET_ADDRSTRLEN); 435 else 436 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n"); 437 438 bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) | 439 (BOND_IP_3 << 16) | (BOND_IP_4 << 24); 440 441 created_pkt = rte_pktmbuf_alloc(mbuf_pool); 442 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr); 443 created_pkt->data_len = pkt_size; 444 created_pkt->pkt_len = pkt_size; 445 446 eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *); 447 rte_eth_macaddr_get(BOND_PORT, ð_hdr->s_addr); 448 memset(ð_hdr->d_addr, 0xFF, ETHER_ADDR_LEN); 449 eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP); 450 451 arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr)); 452 arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER); 453 arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4); 454 arp_hdr->arp_hln = ETHER_ADDR_LEN; 455 arp_hdr->arp_pln = sizeof(uint32_t); 456 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST); 457 458 rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha); 459 arp_hdr->arp_data.arp_sip = bond_ip; 460 memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN); 461 arp_hdr->arp_data.arp_tip = 462 ((unsigned char *)&res->ip.addr.ipv4)[0] | 463 (((unsigned char *)&res->ip.addr.ipv4)[1] << 8) | 464 (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) | 465 (((unsigned char *)&res->ip.addr.ipv4)[3] << 24); 466 rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1); 467 468 rte_delay_ms(100); 469 cmdline_printf(cl, "\n"); 470 } 471 472 cmdline_parse_token_string_t cmd_obj_action_send = 473 TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send"); 474 cmdline_parse_token_ipaddr_t cmd_obj_ip = 475 TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip); 476 477 cmdline_parse_inst_t cmd_obj_send = { 478 .f = cmd_obj_send_parsed, /* function to call */ 479 .data = NULL, /* 2nd arg of func */ 480 .help_str = "send client_ip", 481 .tokens = { /* token list, NULL terminated */ 482 (void *)&cmd_obj_action_send, 483 (void *)&cmd_obj_ip, 484 NULL, 485 }, 486 }; 487 488 struct cmd_start_result { 489 cmdline_fixed_string_t start; 490 }; 491 492 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result, 493 struct cmdline *cl, 494 __attribute__((unused)) void *data) 495 { 496 int slave_core_id = rte_lcore_id(); 497 498 rte_spinlock_trylock(&global_flag_stru_p->lock); 499 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 500 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT) { 501 rte_spinlock_unlock(&global_flag_stru_p->lock); 502 return; 503 } 504 rte_spinlock_unlock(&global_flag_stru_p->lock); 505 } else { 506 cmdline_printf(cl, "lcore_main already running on core:%d\n", 507 global_flag_stru_p->LcoreMainCore); 508 rte_spinlock_unlock(&global_flag_stru_p->lock); 509 return; 510 } 511 512 /* start lcore main on core != master_core - ARP response thread */ 513 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 514 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 515 return; 516 517 rte_spinlock_trylock(&global_flag_stru_p->lock); 518 global_flag_stru_p->LcoreMainIsRunning = 1; 519 rte_spinlock_unlock(&global_flag_stru_p->lock); 520 cmdline_printf(cl, 521 "Starting lcore_main on core %d:%d " 522 "Our IP:%d.%d.%d.%d\n", 523 slave_core_id, 524 rte_eal_remote_launch(lcore_main, NULL, slave_core_id), 525 BOND_IP_1, 526 BOND_IP_2, 527 BOND_IP_3, 528 BOND_IP_4 529 ); 530 } 531 532 cmdline_parse_token_string_t cmd_start_start = 533 TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start"); 534 535 cmdline_parse_inst_t cmd_start = { 536 .f = cmd_start_parsed, /* function to call */ 537 .data = NULL, /* 2nd arg of func */ 538 .help_str = "starts listening if not started at startup", 539 .tokens = { /* token list, NULL terminated */ 540 (void *)&cmd_start_start, 541 NULL, 542 }, 543 }; 544 545 struct cmd_help_result { 546 cmdline_fixed_string_t help; 547 }; 548 549 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 550 struct cmdline *cl, 551 __attribute__((unused)) void *data) 552 { 553 cmdline_printf(cl, 554 "ALB - link bonding mode 6 example\n" 555 "send IP - sends one ARPrequest thru bonding for IP.\n" 556 "start - starts listening ARPs.\n" 557 "stop - stops lcore_main.\n" 558 "show - shows some bond info: ex. active slaves etc.\n" 559 "help - prints help.\n" 560 "quit - terminate all threads and quit.\n" 561 ); 562 } 563 564 cmdline_parse_token_string_t cmd_help_help = 565 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 566 567 cmdline_parse_inst_t cmd_help = { 568 .f = cmd_help_parsed, /* function to call */ 569 .data = NULL, /* 2nd arg of func */ 570 .help_str = "show help", 571 .tokens = { /* token list, NULL terminated */ 572 (void *)&cmd_help_help, 573 NULL, 574 }, 575 }; 576 577 struct cmd_stop_result { 578 cmdline_fixed_string_t stop; 579 }; 580 581 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result, 582 struct cmdline *cl, 583 __attribute__((unused)) void *data) 584 { 585 rte_spinlock_trylock(&global_flag_stru_p->lock); 586 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 587 cmdline_printf(cl, 588 "lcore_main not running on core:%d\n", 589 global_flag_stru_p->LcoreMainCore); 590 rte_spinlock_unlock(&global_flag_stru_p->lock); 591 return; 592 } 593 global_flag_stru_p->LcoreMainIsRunning = 0; 594 rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore); 595 cmdline_printf(cl, 596 "lcore_main stopped on core:%d\n", 597 global_flag_stru_p->LcoreMainCore); 598 rte_spinlock_unlock(&global_flag_stru_p->lock); 599 } 600 601 cmdline_parse_token_string_t cmd_stop_stop = 602 TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop"); 603 604 cmdline_parse_inst_t cmd_stop = { 605 .f = cmd_stop_parsed, /* function to call */ 606 .data = NULL, /* 2nd arg of func */ 607 .help_str = "this command do not handle any arguments", 608 .tokens = { /* token list, NULL terminated */ 609 (void *)&cmd_stop_stop, 610 NULL, 611 }, 612 }; 613 614 struct cmd_quit_result { 615 cmdline_fixed_string_t quit; 616 }; 617 618 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 619 struct cmdline *cl, 620 __attribute__((unused)) void *data) 621 { 622 rte_spinlock_trylock(&global_flag_stru_p->lock); 623 if (global_flag_stru_p->LcoreMainIsRunning == 0) { 624 cmdline_printf(cl, 625 "lcore_main not running on core:%d\n", 626 global_flag_stru_p->LcoreMainCore); 627 rte_spinlock_unlock(&global_flag_stru_p->lock); 628 cmdline_quit(cl); 629 return; 630 } 631 global_flag_stru_p->LcoreMainIsRunning = 0; 632 rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore); 633 cmdline_printf(cl, 634 "lcore_main stopped on core:%d\n", 635 global_flag_stru_p->LcoreMainCore); 636 rte_spinlock_unlock(&global_flag_stru_p->lock); 637 cmdline_quit(cl); 638 } 639 640 cmdline_parse_token_string_t cmd_quit_quit = 641 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 642 643 cmdline_parse_inst_t cmd_quit = { 644 .f = cmd_quit_parsed, /* function to call */ 645 .data = NULL, /* 2nd arg of func */ 646 .help_str = "this command do not handle any arguments", 647 .tokens = { /* token list, NULL terminated */ 648 (void *)&cmd_quit_quit, 649 NULL, 650 }, 651 }; 652 653 struct cmd_show_result { 654 cmdline_fixed_string_t show; 655 }; 656 657 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result, 658 struct cmdline *cl, 659 __attribute__((unused)) void *data) 660 { 661 uint8_t slaves[16] = {0}; 662 uint8_t len = 16; 663 struct ether_addr addr; 664 uint8_t i = 0; 665 666 while (i < slaves_count) { 667 rte_eth_macaddr_get(i, &addr); 668 PRINT_MAC(addr); 669 printf("\n"); 670 i++; 671 } 672 673 rte_spinlock_trylock(&global_flag_stru_p->lock); 674 cmdline_printf(cl, 675 "Active_slaves:%d " 676 "packets received:Tot:%d Arp:%d IPv4:%d\n", 677 rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len), 678 global_flag_stru_p->port_packets[0], 679 global_flag_stru_p->port_packets[1], 680 global_flag_stru_p->port_packets[2]); 681 rte_spinlock_unlock(&global_flag_stru_p->lock); 682 } 683 684 cmdline_parse_token_string_t cmd_show_show = 685 TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show"); 686 687 cmdline_parse_inst_t cmd_show = { 688 .f = cmd_show_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_show_show, 693 NULL, 694 }, 695 }; 696 697 /****** CONTEXT (list of instruction) */ 698 699 cmdline_parse_ctx_t main_ctx[] = { 700 (cmdline_parse_inst_t *)&cmd_start, 701 (cmdline_parse_inst_t *)&cmd_obj_send, 702 (cmdline_parse_inst_t *)&cmd_stop, 703 (cmdline_parse_inst_t *)&cmd_show, 704 (cmdline_parse_inst_t *)&cmd_quit, 705 (cmdline_parse_inst_t *)&cmd_help, 706 NULL, 707 }; 708 709 /* prompt function, called from main on MASTER lcore */ 710 static void *prompt(__attribute__((unused)) void *arg1) 711 { 712 struct cmdline *cl; 713 714 cl = cmdline_stdin_new(main_ctx, "bond6>"); 715 if (cl != NULL) { 716 cmdline_interact(cl); 717 cmdline_stdin_exit(cl); 718 } 719 } 720 721 /* Main function, does initialisation and calls the per-lcore functions */ 722 int 723 main(int argc, char *argv[]) 724 { 725 int ret; 726 uint8_t nb_ports, i; 727 728 /* init EAL */ 729 ret = rte_eal_init(argc, argv); 730 rte_eal_devargs_dump(stdout); 731 if (ret < 0) 732 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n"); 733 argc -= ret; 734 argv += ret; 735 736 nb_ports = rte_eth_dev_count(); 737 if (nb_ports == 0) 738 rte_exit(EXIT_FAILURE, "Give at least one port\n"); 739 else if (nb_ports > MAX_PORTS) 740 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n"); 741 742 mbuf_pool = rte_mempool_create("MBUF_POOL", NB_MBUF, 743 MBUF_SIZE, 32, 744 sizeof(struct rte_pktmbuf_pool_private), 745 rte_pktmbuf_pool_init, NULL, 746 rte_pktmbuf_init, NULL, 747 rte_socket_id(), 0); 748 if (mbuf_pool == NULL) 749 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 750 751 /* initialize all ports */ 752 slaves_count = nb_ports; 753 for (i = 0; i < nb_ports; i++) { 754 slave_port_init(i, mbuf_pool); 755 slaves[i] = i; 756 } 757 758 bond_port_init(mbuf_pool); 759 760 rte_spinlock_init(&global_flag_stru_p->lock); 761 int slave_core_id = rte_lcore_id(); 762 763 /* check state of lcores */ 764 RTE_LCORE_FOREACH_SLAVE(slave_core_id) { 765 if (lcore_config[slave_core_id].state != WAIT) 766 return -EBUSY; 767 } 768 /* start lcore main on core != master_core - ARP response thread */ 769 slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0); 770 if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0)) 771 return -EPERM; 772 773 global_flag_stru_p->LcoreMainIsRunning = 1; 774 global_flag_stru_p->LcoreMainCore = slave_core_id; 775 printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n", 776 slave_core_id, 777 rte_eal_remote_launch((lcore_function_t *)lcore_main, 778 NULL, 779 slave_core_id), 780 BOND_IP_1, 781 BOND_IP_2, 782 BOND_IP_3, 783 BOND_IP_4 784 ); 785 786 /* Start prompt for user interact */ 787 prompt(NULL); 788 789 rte_delay_ms(100); 790 return 0; 791 } 792