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 = ETHER_MAX_LEN,
 124                 .split_hdr_size = 0,
 125                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
 126         },
 127         .rx_adv_conf = {
 128                 .rss_conf = {
 129                         .rss_key = NULL,
 130                         .rss_hf = ETH_RSS_IP,
 131                 },
 132         },
 133         .txmode = {
 134                 .mq_mode = ETH_MQ_TX_NONE,
 135         },
 136 };
 137
 138 static void
 139 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 140 {
 141         int retval;
 142         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 143         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 144         struct rte_eth_dev_info dev_info;
 145         struct rte_eth_rxconf rxq_conf;
 146         struct rte_eth_txconf txq_conf;
 147         struct rte_eth_conf local_port_conf = port_conf;
 148
 149         if (!rte_eth_dev_is_valid_port(portid))
 150                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 151
 152         rte_eth_dev_info_get(portid, &dev_info);
 153         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 154                 local_port_conf.txmode.offloads |=
 155                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 156
 157         local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
 158                 dev_info.flow_type_rss_offloads;
 159         if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
 160                         port_conf.rx_adv_conf.rss_conf.rss_hf) {
 161                 printf("Port %u modified RSS hash function based on hardware support,"
 162                         "requested:%#"PRIx64" configured:%#"PRIx64"\n",
 163                         portid,
 164                         port_conf.rx_adv_conf.rss_conf.rss_hf,
 165                         local_port_conf.rx_adv_conf.rss_conf.rss_hf);
 166         }
 167
 168         retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 169         if (retval != 0)
 170                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 171                                 portid, retval);
 172
 173         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 174         if (retval != 0)
 175                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 176                                 "failed (res=%d)\n", portid, retval);
 177
 178         /* RX setup */
 179         rxq_conf = dev_info.default_rxconf;
 180         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 181         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 182                                         rte_eth_dev_socket_id(portid),
 183                                         &rxq_conf,
 184                                         mbuf_pool);
 185         if (retval < 0)
 186                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 187                                 portid, retval);
 188
 189         /* TX setup */
 190         txq_conf = dev_info.default_txconf;
 191         txq_conf.offloads = local_port_conf.txmode.offloads;
 192         retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 193                                 rte_eth_dev_socket_id(portid), &txq_conf);
 194
 195         if (retval < 0)
 196                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 197                                 portid, retval);
 198
 199         retval  = rte_eth_dev_start(portid);
 200         if (retval < 0)
 201                 rte_exit(retval,
 202                                 "Start port %d failed (res=%d)",
 203                                 portid, retval);
 204
 205         struct ether_addr addr;
 206
 207         rte_eth_macaddr_get(portid, &addr);
 208         printf("Port %u MAC: ", portid);
 209         PRINT_MAC(addr);
 210         printf("\n");
 211 }
 212
 213 static void
 214 bond_port_init(struct rte_mempool *mbuf_pool)
 215 {
 216         int retval;
 217         uint8_t i;
 218         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 219         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 220         struct rte_eth_dev_info dev_info;
 221         struct rte_eth_rxconf rxq_conf;
 222         struct rte_eth_txconf txq_conf;
 223         struct rte_eth_conf local_port_conf = port_conf;
 224
 225         retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
 226                         0 /*SOCKET_ID_ANY*/);
 227         if (retval < 0)
 228                 rte_exit(EXIT_FAILURE,
 229                                 "Faled to create bond port\n");
 230
 231         BOND_PORT = retval;
 232
 233         rte_eth_dev_info_get(BOND_PORT, &dev_info);
 234         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 235                 local_port_conf.txmode.offloads |=
 236                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 237         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
 238         if (retval != 0)
 239                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 240                                 BOND_PORT, retval);
 241
 242         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 243         if (retval != 0)
 244                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 245                                 "failed (res=%d)\n", BOND_PORT, retval);
 246
 247         /* RX setup */
 248         rxq_conf = dev_info.default_rxconf;
 249         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 250         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 251                                         rte_eth_dev_socket_id(BOND_PORT),
 252                                         &rxq_conf, mbuf_pool);
 253         if (retval < 0)
 254                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 255                                 BOND_PORT, retval);
 256
 257         /* TX setup */
 258         txq_conf = dev_info.default_txconf;
 259         txq_conf.offloads = local_port_conf.txmode.offloads;
 260         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 261                                 rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
 262
 263         if (retval < 0)
 264                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 265                                 BOND_PORT, retval);
 266
 267         for (i = 0; i < slaves_count; i++) {
 268                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 269                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 270                                         slaves[i], BOND_PORT);
 271
 272         }
 273
 274         retval  = rte_eth_dev_start(BOND_PORT);
 275         if (retval < 0)
 276                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 277
 278         rte_eth_promiscuous_enable(BOND_PORT);
 279
 280         struct ether_addr addr;
 281
 282         rte_eth_macaddr_get(BOND_PORT, &addr);
 283         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 284                 PRINT_MAC(addr);
 285                 printf("\n");
 286 }
 287
 288 static inline size_t
 289 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 290 {
 291         size_t vlan_offset = 0;
 292
 293         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 294                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 295
 296                 vlan_offset = sizeof(struct vlan_hdr);
 297                 *proto = vlan_hdr->eth_proto;
 298
 299                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 300                         vlan_hdr = vlan_hdr + 1;
 301
 302                         *proto = vlan_hdr->eth_proto;
 303                         vlan_offset += sizeof(struct vlan_hdr);
 304                 }
 305         }
 306         return vlan_offset;
 307 }
 308
 309 struct global_flag_stru_t {
 310         int LcoreMainIsRunning;
 311         int LcoreMainCore;
 312         uint32_t port_packets[4];
 313         rte_spinlock_t lock;
 314 };
 315 struct global_flag_stru_t global_flag_stru;
 316 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 317
 318 /*
 319  * Main thread that does the work, reading from INPUT_PORT
 320  * and writing to OUTPUT_PORT
 321  */
 322 static int lcore_main(__attribute__((unused)) void *arg1)
 323 {
 324         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 325         struct ether_addr d_addr;
 326
 327         struct ether_hdr *eth_hdr;
 328         struct arp_hdr *arp_hdr;
 329         struct ipv4_hdr *ipv4_hdr;
 330         uint16_t ether_type, offset;
 331
 332         uint16_t rx_cnt;
 333         uint32_t bond_ip;
 334         int i = 0;
 335         uint8_t is_free;
 336
 337         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 338                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 339
 340         rte_spinlock_trylock(&global_flag_stru_p->lock);
 341
 342         while (global_flag_stru_p->LcoreMainIsRunning) {
 343                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 344                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 345                 is_free = 0;
 346
 347                 /* If didn't receive any packets, wait and go to next iteration */
 348                 if (rx_cnt == 0) {
 349                         rte_delay_us(50);
 350                         continue;
 351                 }
 352
 353                 /* Search incoming data for ARP packets and prepare response */
 354                 for (i = 0; i < rx_cnt; i++) {
 355                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 356                                 global_flag_stru_p->port_packets[0]++;
 357                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 358                         }
 359                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 360                         ether_type = eth_hdr->ether_type;
 361                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 362                                 printf("VLAN taged frame, offset:");
 363                         offset = get_vlan_offset(eth_hdr, &ether_type);
 364                         if (offset > 0)
 365                                 printf("%d\n", offset);
 366                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 367                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 368                                         global_flag_stru_p->port_packets[1]++;
 369                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 370                                 }
 371                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 372                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 373                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 374                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 375                                                 /* Switch src and dst data and set bonding MAC */
 376                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 377                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 378                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 379                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 380                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 381                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 382                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 383                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 384                                                 is_free = 1;
 385                                         } else {
 386                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 387                                         }
 388                                 }
 389                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 390                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 391                                         global_flag_stru_p->port_packets[2]++;
 392                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 393                                  }
 394                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 395                                 if (ipv4_hdr->dst_addr == bond_ip) {
 396                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 397                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 398                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 399                                         ipv4_hdr->src_addr = bond_ip;
 400                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 401                                 }
 402
 403                         }
 404
 405                         /* Free processed packets */
 406                         if (is_free == 0)
 407                                 rte_pktmbuf_free(pkts[i]);
 408                 }
 409                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 410         }
 411         rte_spinlock_unlock(&global_flag_stru_p->lock);
 412         printf("BYE lcore_main\n");
 413         return 0;
 414 }
 415
 416 struct cmd_obj_send_result {
 417         cmdline_fixed_string_t action;
 418         cmdline_ipaddr_t ip;
 419 };
 420 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 421 {
 422         snprintf(buf, size, NIPQUAD_FMT,
 423                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 424                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 425                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 426                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 427                 );
 428 }
 429 static void cmd_obj_send_parsed(void *parsed_result,
 430                 __attribute__((unused)) struct cmdline *cl,
 431                                __attribute__((unused)) void *data)
 432 {
 433
 434         struct cmd_obj_send_result *res = parsed_result;
 435         char ip_str[INET6_ADDRSTRLEN];
 436
 437         struct rte_mbuf *created_pkt;
 438         struct ether_hdr *eth_hdr;
 439         struct arp_hdr *arp_hdr;
 440
 441         uint32_t bond_ip;
 442         size_t pkt_size;
 443
 444         if (res->ip.family == AF_INET)
 445                 get_string(res, ip_str, INET_ADDRSTRLEN);
 446         else
 447                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 448
 449         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 450                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 451
 452         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 453         if (created_pkt == NULL) {
 454                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 455                 return;
 456         }
 457
 458         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 459         created_pkt->data_len = pkt_size;
 460         created_pkt->pkt_len = pkt_size;
 461
 462         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 463         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 464         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 465         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 466
 467         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 468         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 469         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 470         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 471         arp_hdr->arp_pln = sizeof(uint32_t);
 472         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 473
 474         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 475         arp_hdr->arp_data.arp_sip = bond_ip;
 476         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 477         arp_hdr->arp_data.arp_tip =
 478                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 479                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 480                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 481                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 482         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 483
 484         rte_delay_ms(100);
 485         cmdline_printf(cl, "\n");
 486 }
 487
 488 cmdline_parse_token_string_t cmd_obj_action_send =
 489         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 490 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 491         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 492
 493 cmdline_parse_inst_t cmd_obj_send = {
 494         .f = cmd_obj_send_parsed,  /* function to call */
 495         .data = NULL,      /* 2nd arg of func */
 496         .help_str = "send client_ip",
 497         .tokens = {        /* token list, NULL terminated */
 498                 (void *)&cmd_obj_action_send,
 499                 (void *)&cmd_obj_ip,
 500                 NULL,
 501         },
 502 };
 503
 504 struct cmd_start_result {
 505         cmdline_fixed_string_t start;
 506 };
 507
 508 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 509                                struct cmdline *cl,
 510                                __attribute__((unused)) void *data)
 511 {
 512         int slave_core_id = rte_lcore_id();
 513
 514         rte_spinlock_trylock(&global_flag_stru_p->lock);
 515         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 516                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 517                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 518                         return;
 519                 }
 520                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 521         } else {
 522                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 523                                 global_flag_stru_p->LcoreMainCore);
 524                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 525                 return;
 526         }
 527
 528         /* start lcore main on core != master_core - ARP response thread */
 529         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 530         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 531                 return;
 532
 533         rte_spinlock_trylock(&global_flag_stru_p->lock);
 534         global_flag_stru_p->LcoreMainIsRunning = 1;
 535         rte_spinlock_unlock(&global_flag_stru_p->lock);
 536         cmdline_printf(cl,
 537                         "Starting lcore_main on core %d:%d "
 538                         "Our IP:%d.%d.%d.%d\n",
 539                         slave_core_id,
 540                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 541                         BOND_IP_1,
 542                         BOND_IP_2,
 543                         BOND_IP_3,
 544                         BOND_IP_4
 545                 );
 546 }
 547
 548 cmdline_parse_token_string_t cmd_start_start =
 549         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 550
 551 cmdline_parse_inst_t cmd_start = {
 552         .f = cmd_start_parsed,  /* function to call */
 553         .data = NULL,      /* 2nd arg of func */
 554         .help_str = "starts listening if not started at startup",
 555         .tokens = {        /* token list, NULL terminated */
 556                 (void *)&cmd_start_start,
 557                 NULL,
 558         },
 559 };
 560
 561 struct cmd_help_result {
 562         cmdline_fixed_string_t help;
 563 };
 564
 565 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 566                             struct cmdline *cl,
 567                             __attribute__((unused)) void *data)
 568 {
 569         cmdline_printf(cl,
 570                         "ALB - link bonding mode 6 example\n"
 571                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 572                         "start          - starts listening ARPs.\n"
 573                         "stop           - stops lcore_main.\n"
 574                         "show           - shows some bond info: ex. active slaves etc.\n"
 575                         "help           - prints help.\n"
 576                         "quit           - terminate all threads and quit.\n"
 577                        );
 578 }
 579
 580 cmdline_parse_token_string_t cmd_help_help =
 581         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 582
 583 cmdline_parse_inst_t cmd_help = {
 584         .f = cmd_help_parsed,  /* function to call */
 585         .data = NULL,      /* 2nd arg of func */
 586         .help_str = "show help",
 587         .tokens = {        /* token list, NULL terminated */
 588                 (void *)&cmd_help_help,
 589                 NULL,
 590         },
 591 };
 592
 593 struct cmd_stop_result {
 594         cmdline_fixed_string_t stop;
 595 };
 596
 597 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 598                             struct cmdline *cl,
 599                             __attribute__((unused)) void *data)
 600 {
 601         rte_spinlock_trylock(&global_flag_stru_p->lock);
 602         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 603                 cmdline_printf(cl,
 604                                         "lcore_main not running on core:%d\n",
 605                                         global_flag_stru_p->LcoreMainCore);
 606                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 607                 return;
 608         }
 609         global_flag_stru_p->LcoreMainIsRunning = 0;
 610         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 611                 cmdline_printf(cl,
 612                                 "error: lcore_main can not stop on core:%d\n",
 613                                 global_flag_stru_p->LcoreMainCore);
 614         else
 615                 cmdline_printf(cl,
 616                                 "lcore_main stopped on core:%d\n",
 617                                 global_flag_stru_p->LcoreMainCore);
 618         rte_spinlock_unlock(&global_flag_stru_p->lock);
 619 }
 620
 621 cmdline_parse_token_string_t cmd_stop_stop =
 622         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 623
 624 cmdline_parse_inst_t cmd_stop = {
 625         .f = cmd_stop_parsed,  /* function to call */
 626         .data = NULL,      /* 2nd arg of func */
 627         .help_str = "this command do not handle any arguments",
 628         .tokens = {        /* token list, NULL terminated */
 629                 (void *)&cmd_stop_stop,
 630                 NULL,
 631         },
 632 };
 633
 634 struct cmd_quit_result {
 635         cmdline_fixed_string_t quit;
 636 };
 637
 638 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 639                             struct cmdline *cl,
 640                             __attribute__((unused)) void *data)
 641 {
 642         rte_spinlock_trylock(&global_flag_stru_p->lock);
 643         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 644                 cmdline_printf(cl,
 645                                         "lcore_main not running on core:%d\n",
 646                                         global_flag_stru_p->LcoreMainCore);
 647                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 648                 cmdline_quit(cl);
 649                 return;
 650         }
 651         global_flag_stru_p->LcoreMainIsRunning = 0;
 652         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 653                 cmdline_printf(cl,
 654                                 "error: lcore_main can not stop on core:%d\n",
 655                                 global_flag_stru_p->LcoreMainCore);
 656         else
 657                 cmdline_printf(cl,
 658                                 "lcore_main stopped on core:%d\n",
 659                                 global_flag_stru_p->LcoreMainCore);
 660         rte_spinlock_unlock(&global_flag_stru_p->lock);
 661         cmdline_quit(cl);
 662 }
 663
 664 cmdline_parse_token_string_t cmd_quit_quit =
 665         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 666
 667 cmdline_parse_inst_t cmd_quit = {
 668         .f = cmd_quit_parsed,  /* function to call */
 669         .data = NULL,      /* 2nd arg of func */
 670         .help_str = "this command do not handle any arguments",
 671         .tokens = {        /* token list, NULL terminated */
 672                 (void *)&cmd_quit_quit,
 673                 NULL,
 674         },
 675 };
 676
 677 struct cmd_show_result {
 678         cmdline_fixed_string_t show;
 679 };
 680
 681 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 682                             struct cmdline *cl,
 683                             __attribute__((unused)) void *data)
 684 {
 685         uint16_t slaves[16] = {0};
 686         uint8_t len = 16;
 687         struct ether_addr addr;
 688         uint16_t i = 0;
 689
 690         while (i < slaves_count)        {
 691                 rte_eth_macaddr_get(i, &addr);
 692                 PRINT_MAC(addr);
 693                 printf("\n");
 694                 i++;
 695         }
 696
 697         rte_spinlock_trylock(&global_flag_stru_p->lock);
 698         cmdline_printf(cl,
 699                         "Active_slaves:%d "
 700                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 701                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 702                         global_flag_stru_p->port_packets[0],
 703                         global_flag_stru_p->port_packets[1],
 704                         global_flag_stru_p->port_packets[2]);
 705         rte_spinlock_unlock(&global_flag_stru_p->lock);
 706 }
 707
 708 cmdline_parse_token_string_t cmd_show_show =
 709         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 710
 711 cmdline_parse_inst_t cmd_show = {
 712         .f = cmd_show_parsed,  /* function to call */
 713         .data = NULL,      /* 2nd arg of func */
 714         .help_str = "this command do not handle any arguments",
 715         .tokens = {        /* token list, NULL terminated */
 716                 (void *)&cmd_show_show,
 717                 NULL,
 718         },
 719 };
 720
 721 /****** CONTEXT (list of instruction) */
 722
 723 cmdline_parse_ctx_t main_ctx[] = {
 724         (cmdline_parse_inst_t *)&cmd_start,
 725         (cmdline_parse_inst_t *)&cmd_obj_send,
 726         (cmdline_parse_inst_t *)&cmd_stop,
 727         (cmdline_parse_inst_t *)&cmd_show,
 728         (cmdline_parse_inst_t *)&cmd_quit,
 729         (cmdline_parse_inst_t *)&cmd_help,
 730         NULL,
 731 };
 732
 733 /* prompt function, called from main on MASTER lcore */
 734 static void prompt(__attribute__((unused)) void *arg1)
 735 {
 736         struct cmdline *cl;
 737
 738         cl = cmdline_stdin_new(main_ctx, "bond6>");
 739         if (cl != NULL) {
 740                 cmdline_interact(cl);
 741                 cmdline_stdin_exit(cl);
 742         }
 743 }
 744
 745 /* Main function, does initialisation and calls the per-lcore functions */
 746 int
 747 main(int argc, char *argv[])
 748 {
 749         int ret;
 750         uint16_t nb_ports, i;
 751
 752         /* init EAL */
 753         ret = rte_eal_init(argc, argv);
 754         rte_devargs_dump(stdout);
 755         if (ret < 0)
 756                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 757         argc -= ret;
 758         argv += ret;
 759
 760         nb_ports = rte_eth_dev_count_avail();
 761         if (nb_ports == 0)
 762                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 763         else if (nb_ports > MAX_PORTS)
 764                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 765
 766         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 767                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 768         if (mbuf_pool == NULL)
 769                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 770
 771         /* initialize all ports */
 772         slaves_count = nb_ports;
 773         RTE_ETH_FOREACH_DEV(i) {
 774                 slave_port_init(i, mbuf_pool);
 775                 slaves[i] = i;
 776         }
 777
 778         bond_port_init(mbuf_pool);
 779
 780         rte_spinlock_init(&global_flag_stru_p->lock);
 781         int slave_core_id = rte_lcore_id();
 782
 783         /* check state of lcores */
 784         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 785         if (lcore_config[slave_core_id].state != WAIT)
 786                 return -EBUSY;
 787         }
 788         /* start lcore main on core != master_core - ARP response thread */
 789         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 790         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 791                 return -EPERM;
 792
 793         global_flag_stru_p->LcoreMainIsRunning = 1;
 794         global_flag_stru_p->LcoreMainCore = slave_core_id;
 795         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 796                         slave_core_id,
 797                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 798                                         NULL,
 799                                         slave_core_id),
 800                         BOND_IP_1,
 801                         BOND_IP_2,
 802                         BOND_IP_3,
 803                         BOND_IP_4
 804                 );
 805
 806         /* Start prompt for user interact */
 807         prompt(NULL);
 808
 809         rte_delay_ms(100);
 810         return 0;
 811 }