examples/bond/main.c

   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(__rte_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, &ether_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(&eth_hdr->s_addr, &eth_hdr->d_addr);
 430                                                 rte_ether_addr_copy(&bond_mac_addr, &eth_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(&eth_hdr->s_addr, &eth_hdr->d_addr);
 451                                         rte_ether_addr_copy(&bond_mac_addr, &eth_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                 __rte_unused struct cmdline *cl,
 485                                __rte_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, &eth_hdr->s_addr);
 527         memset(&eth_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(__rte_unused void *parsed_result,
 573                                struct cmdline *cl,
 574                                __rte_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(__rte_unused void *parsed_result,
 631                             struct cmdline *cl,
 632                             __rte_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(__rte_unused void *parsed_result,
 663                             struct cmdline *cl,
 664                             __rte_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(__rte_unused void *parsed_result,
 704                             struct cmdline *cl,
 705                             __rte_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(__rte_unused void *parsed_result,
 747                             struct cmdline *cl,
 748                             __rte_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(__rte_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 }