examples/bond/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdint.h>
  35 #include <sys/queue.h>
  36 #include <sys/socket.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <stdio.h>
  40 #include <assert.h>
  41 #include <errno.h>
  42 #include <signal.h>
  43 #include <stdarg.h>
  44 #include <inttypes.h>
  45 #include <getopt.h>
  46 #include <termios.h>
  47 #include <unistd.h>
  48 #include <pthread.h>
  49
  50 #include <rte_common.h>
  51 #include <rte_log.h>
  52 #include <rte_memory.h>
  53 #include <rte_memcpy.h>
  54 #include <rte_eal.h>
  55 #include <rte_launch.h>
  56 #include <rte_atomic.h>
  57 #include <rte_cycles.h>
  58 #include <rte_prefetch.h>
  59 #include <rte_lcore.h>
  60 #include <rte_per_lcore.h>
  61 #include <rte_branch_prediction.h>
  62 #include <rte_interrupts.h>
  63 #include <rte_pci.h>
  64 #include <rte_random.h>
  65 #include <rte_debug.h>
  66 #include <rte_ether.h>
  67 #include <rte_ethdev.h>
  68 #include <rte_mempool.h>
  69 #include <rte_mbuf.h>
  70 #include <rte_ip.h>
  71 #include <rte_tcp.h>
  72 #include <rte_arp.h>
  73 #include <rte_spinlock.h>
  74
  75 #include <cmdline_rdline.h>
  76 #include <cmdline_parse.h>
  77 #include <cmdline_parse_num.h>
  78 #include <cmdline_parse_string.h>
  79 #include <cmdline_parse_ipaddr.h>
  80 #include <cmdline_parse_etheraddr.h>
  81 #include <cmdline_socket.h>
  82 #include <cmdline.h>
  83
  84 #include "main.h"
  85
  86 #include <rte_devargs.h>
  87
  88
  89 #include "rte_byteorder.h"
  90 #include "rte_cpuflags.h"
  91 #include "rte_eth_bond.h"
  92
  93 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  94
  95 #define NB_MBUF   (1024*8)
  96
  97 #define MAX_PKT_BURST 32
  98 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
  99 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
 100
 101 /*
 102  * RX and TX Prefetch, Host, and Write-back threshold values should be
 103  * carefully set for optimal performance. Consult the network
 104  * controller's datasheet and supporting DPDK documentation for guidance
 105  * on how these parameters should be set.
 106  */
 107 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
 108 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
 109 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
 110 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
 111
 112 /*
 113  * These default values are optimized for use with the Intel(R) 82599 10 GbE
 114  * Controller and the DPDK ixgbe PMD. Consider using other values for other
 115  * network controllers and/or network drivers.
 116  */
 117 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
 118 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
 119 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
 120
 121 /*
 122  * Configurable number of RX/TX ring descriptors
 123  */
 124 #define RTE_RX_DESC_DEFAULT 128
 125 #define RTE_TX_DESC_DEFAULT 512
 126
 127 #define BOND_IP_1       7
 128 #define BOND_IP_2       0
 129 #define BOND_IP_3       0
 130 #define BOND_IP_4       10
 131
 132 /* not defined under linux */
 133 #ifndef NIPQUAD
 134 #define NIPQUAD_FMT "%u.%u.%u.%u"
 135 #endif
 136
 137 #define MAX_PORTS       4
 138 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 139                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 140                 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \
 141                 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5])
 142
 143 uint16_t slaves[RTE_MAX_ETHPORTS];
 144 uint16_t slaves_count;
 145
 146 static uint16_t BOND_PORT = 0xffff;
 147
 148 static struct rte_mempool *mbuf_pool;
 149
 150 static struct rte_eth_conf port_conf = {
 151         .rxmode = {
 152                 .mq_mode = ETH_MQ_RX_NONE,
 153                 .max_rx_pkt_len = ETHER_MAX_LEN,
 154                 .split_hdr_size = 0,
 155                 .header_split   = 0, /**< Header Split disabled */
 156                 .hw_ip_checksum = 0, /**< IP checksum offload enabled */
 157                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 158                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 159                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 160         },
 161         .rx_adv_conf = {
 162                 .rss_conf = {
 163                         .rss_key = NULL,
 164                         .rss_hf = ETH_RSS_IP,
 165                 },
 166         },
 167         .txmode = {
 168                 .mq_mode = ETH_MQ_TX_NONE,
 169         },
 170 };
 171
 172 static void
 173 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 174 {
 175         int retval;
 176         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 177         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 178
 179         if (portid >= rte_eth_dev_count())
 180                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 181
 182         retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
 183         if (retval != 0)
 184                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 185                                 portid, retval);
 186
 187         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 188         if (retval != 0)
 189                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 190                                 "failed (res=%d)\n", portid, retval);
 191
 192         /* RX setup */
 193         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 194                                         rte_eth_dev_socket_id(portid), NULL,
 195                                         mbuf_pool);
 196         if (retval < 0)
 197                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 198                                 portid, retval);
 199
 200         /* TX setup */
 201         retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 202                                 rte_eth_dev_socket_id(portid), NULL);
 203
 204         if (retval < 0)
 205                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 206                                 portid, retval);
 207
 208         retval  = rte_eth_dev_start(portid);
 209         if (retval < 0)
 210                 rte_exit(retval,
 211                                 "Start port %d failed (res=%d)",
 212                                 portid, retval);
 213
 214         struct ether_addr addr;
 215
 216         rte_eth_macaddr_get(portid, &addr);
 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
 230         retval = rte_eth_bond_create("bond0", BONDING_MODE_ALB,
 231                         0 /*SOCKET_ID_ANY*/);
 232         if (retval < 0)
 233                 rte_exit(EXIT_FAILURE,
 234                                 "Faled to create bond port\n");
 235
 236         BOND_PORT = retval;
 237
 238         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf);
 239         if (retval != 0)
 240                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 241                                 BOND_PORT, retval);
 242
 243         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 244         if (retval != 0)
 245                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 246                                 "failed (res=%d)\n", BOND_PORT, retval);
 247
 248         /* RX setup */
 249         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 250                                         rte_eth_dev_socket_id(BOND_PORT), NULL,
 251                                         mbuf_pool);
 252         if (retval < 0)
 253                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 254                                 BOND_PORT, retval);
 255
 256         /* TX setup */
 257         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 258                                 rte_eth_dev_socket_id(BOND_PORT), NULL);
 259
 260         if (retval < 0)
 261                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 262                                 BOND_PORT, retval);
 263
 264         for (i = 0; i < slaves_count; i++) {
 265                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 266                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 267                                         slaves[i], BOND_PORT);
 268
 269         }
 270
 271         retval  = rte_eth_dev_start(BOND_PORT);
 272         if (retval < 0)
 273                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 274
 275         rte_eth_promiscuous_enable(BOND_PORT);
 276
 277         struct ether_addr addr;
 278
 279         rte_eth_macaddr_get(BOND_PORT, &addr);
 280         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 281                 PRINT_MAC(addr);
 282                 printf("\n");
 283 }
 284
 285 static inline size_t
 286 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 287 {
 288         size_t vlan_offset = 0;
 289
 290         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 291                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 292
 293                 vlan_offset = sizeof(struct vlan_hdr);
 294                 *proto = vlan_hdr->eth_proto;
 295
 296                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 297                         vlan_hdr = vlan_hdr + 1;
 298
 299                         *proto = vlan_hdr->eth_proto;
 300                         vlan_offset += sizeof(struct vlan_hdr);
 301                 }
 302         }
 303         return vlan_offset;
 304 }
 305
 306 struct global_flag_stru_t {
 307         int LcoreMainIsRunning;
 308         int LcoreMainCore;
 309         uint32_t port_packets[4];
 310         rte_spinlock_t lock;
 311 };
 312 struct global_flag_stru_t global_flag_stru;
 313 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 314
 315 /*
 316  * Main thread that does the work, reading from INPUT_PORT
 317  * and writing to OUTPUT_PORT
 318  */
 319 static int lcore_main(__attribute__((unused)) void *arg1)
 320 {
 321         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 322         struct ether_addr d_addr;
 323
 324         struct ether_hdr *eth_hdr;
 325         struct arp_hdr *arp_hdr;
 326         struct ipv4_hdr *ipv4_hdr;
 327         uint16_t ether_type, offset;
 328
 329         uint16_t rx_cnt;
 330         uint32_t bond_ip;
 331         int i = 0;
 332         uint8_t is_free;
 333
 334         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 335                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 336
 337         rte_spinlock_trylock(&global_flag_stru_p->lock);
 338
 339         while (global_flag_stru_p->LcoreMainIsRunning) {
 340                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 341                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 342                 is_free = 0;
 343
 344                 /* If didn't receive any packets, wait and go to next iteration */
 345                 if (rx_cnt == 0) {
 346                         rte_delay_us(50);
 347                         continue;
 348                 }
 349
 350                 /* Search incoming data for ARP packets and prepare response */
 351                 for (i = 0; i < rx_cnt; i++) {
 352                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 353                                 global_flag_stru_p->port_packets[0]++;
 354                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 355                         }
 356                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 357                         ether_type = eth_hdr->ether_type;
 358                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 359                                 printf("VLAN taged frame, offset:");
 360                         offset = get_vlan_offset(eth_hdr, &ether_type);
 361                         if (offset > 0)
 362                                 printf("%d\n", offset);
 363                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 364                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 365                                         global_flag_stru_p->port_packets[1]++;
 366                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 367                                 }
 368                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 369                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 370                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 371                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 372                                                 /* Switch src and dst data and set bonding MAC */
 373                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 374                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 375                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 376                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 377                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 378                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 379                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 380                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 381                                                 is_free = 1;
 382                                         } else {
 383                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 384                                         }
 385                                 }
 386                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 387                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 388                                         global_flag_stru_p->port_packets[2]++;
 389                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 390                                  }
 391                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 392                                 if (ipv4_hdr->dst_addr == bond_ip) {
 393                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 394                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 395                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 396                                         ipv4_hdr->src_addr = bond_ip;
 397                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 398                                 }
 399
 400                         }
 401
 402                         /* Free processed packets */
 403                         if (is_free == 0)
 404                                 rte_pktmbuf_free(pkts[i]);
 405                 }
 406                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 407         }
 408         rte_spinlock_unlock(&global_flag_stru_p->lock);
 409         printf("BYE lcore_main\n");
 410         return 0;
 411 }
 412
 413 struct cmd_obj_send_result {
 414         cmdline_fixed_string_t action;
 415         cmdline_ipaddr_t ip;
 416 };
 417 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 418 {
 419         snprintf(buf, size, NIPQUAD_FMT,
 420                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 421                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 422                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 423                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 424                 );
 425 }
 426 static void cmd_obj_send_parsed(void *parsed_result,
 427                 __attribute__((unused)) struct cmdline *cl,
 428                                __attribute__((unused)) void *data)
 429 {
 430
 431         struct cmd_obj_send_result *res = parsed_result;
 432         char ip_str[INET6_ADDRSTRLEN];
 433
 434         struct rte_mbuf *created_pkt;
 435         struct ether_hdr *eth_hdr;
 436         struct arp_hdr *arp_hdr;
 437
 438         uint32_t bond_ip;
 439         size_t pkt_size;
 440
 441         if (res->ip.family == AF_INET)
 442                 get_string(res, ip_str, INET_ADDRSTRLEN);
 443         else
 444                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 445
 446         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 447                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 448
 449         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 450         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 451         created_pkt->data_len = pkt_size;
 452         created_pkt->pkt_len = pkt_size;
 453
 454         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 455         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 456         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 457         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 458
 459         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 460         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 461         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 462         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 463         arp_hdr->arp_pln = sizeof(uint32_t);
 464         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 465
 466         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 467         arp_hdr->arp_data.arp_sip = bond_ip;
 468         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 469         arp_hdr->arp_data.arp_tip =
 470                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 471                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 472                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 473                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 474         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 475
 476         rte_delay_ms(100);
 477         cmdline_printf(cl, "\n");
 478 }
 479
 480 cmdline_parse_token_string_t cmd_obj_action_send =
 481         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 482 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 483         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 484
 485 cmdline_parse_inst_t cmd_obj_send = {
 486         .f = cmd_obj_send_parsed,  /* function to call */
 487         .data = NULL,      /* 2nd arg of func */
 488         .help_str = "send client_ip",
 489         .tokens = {        /* token list, NULL terminated */
 490                 (void *)&cmd_obj_action_send,
 491                 (void *)&cmd_obj_ip,
 492                 NULL,
 493         },
 494 };
 495
 496 struct cmd_start_result {
 497         cmdline_fixed_string_t start;
 498 };
 499
 500 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 501                                struct cmdline *cl,
 502                                __attribute__((unused)) void *data)
 503 {
 504         int slave_core_id = rte_lcore_id();
 505
 506         rte_spinlock_trylock(&global_flag_stru_p->lock);
 507         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 508                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 509                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 510                         return;
 511                 }
 512                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 513         } else {
 514                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 515                                 global_flag_stru_p->LcoreMainCore);
 516                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 517                 return;
 518         }
 519
 520         /* start lcore main on core != master_core - ARP response thread */
 521         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 522         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 523                 return;
 524
 525         rte_spinlock_trylock(&global_flag_stru_p->lock);
 526         global_flag_stru_p->LcoreMainIsRunning = 1;
 527         rte_spinlock_unlock(&global_flag_stru_p->lock);
 528         cmdline_printf(cl,
 529                         "Starting lcore_main on core %d:%d "
 530                         "Our IP:%d.%d.%d.%d\n",
 531                         slave_core_id,
 532                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 533                         BOND_IP_1,
 534                         BOND_IP_2,
 535                         BOND_IP_3,
 536                         BOND_IP_4
 537                 );
 538 }
 539
 540 cmdline_parse_token_string_t cmd_start_start =
 541         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 542
 543 cmdline_parse_inst_t cmd_start = {
 544         .f = cmd_start_parsed,  /* function to call */
 545         .data = NULL,      /* 2nd arg of func */
 546         .help_str = "starts listening if not started at startup",
 547         .tokens = {        /* token list, NULL terminated */
 548                 (void *)&cmd_start_start,
 549                 NULL,
 550         },
 551 };
 552
 553 struct cmd_help_result {
 554         cmdline_fixed_string_t help;
 555 };
 556
 557 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 558                             struct cmdline *cl,
 559                             __attribute__((unused)) void *data)
 560 {
 561         cmdline_printf(cl,
 562                         "ALB - link bonding mode 6 example\n"
 563                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 564                         "start          - starts listening ARPs.\n"
 565                         "stop           - stops lcore_main.\n"
 566                         "show           - shows some bond info: ex. active slaves etc.\n"
 567                         "help           - prints help.\n"
 568                         "quit           - terminate all threads and quit.\n"
 569                        );
 570 }
 571
 572 cmdline_parse_token_string_t cmd_help_help =
 573         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 574
 575 cmdline_parse_inst_t cmd_help = {
 576         .f = cmd_help_parsed,  /* function to call */
 577         .data = NULL,      /* 2nd arg of func */
 578         .help_str = "show help",
 579         .tokens = {        /* token list, NULL terminated */
 580                 (void *)&cmd_help_help,
 581                 NULL,
 582         },
 583 };
 584
 585 struct cmd_stop_result {
 586         cmdline_fixed_string_t stop;
 587 };
 588
 589 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 590                             struct cmdline *cl,
 591                             __attribute__((unused)) void *data)
 592 {
 593         rte_spinlock_trylock(&global_flag_stru_p->lock);
 594         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 595                 cmdline_printf(cl,
 596                                         "lcore_main not running on core:%d\n",
 597                                         global_flag_stru_p->LcoreMainCore);
 598                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 599                 return;
 600         }
 601         global_flag_stru_p->LcoreMainIsRunning = 0;
 602         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 603                 cmdline_printf(cl,
 604                                 "error: lcore_main can not stop on core:%d\n",
 605                                 global_flag_stru_p->LcoreMainCore);
 606         else
 607                 cmdline_printf(cl,
 608                                 "lcore_main stopped on core:%d\n",
 609                                 global_flag_stru_p->LcoreMainCore);
 610         rte_spinlock_unlock(&global_flag_stru_p->lock);
 611 }
 612
 613 cmdline_parse_token_string_t cmd_stop_stop =
 614         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 615
 616 cmdline_parse_inst_t cmd_stop = {
 617         .f = cmd_stop_parsed,  /* function to call */
 618         .data = NULL,      /* 2nd arg of func */
 619         .help_str = "this command do not handle any arguments",
 620         .tokens = {        /* token list, NULL terminated */
 621                 (void *)&cmd_stop_stop,
 622                 NULL,
 623         },
 624 };
 625
 626 struct cmd_quit_result {
 627         cmdline_fixed_string_t quit;
 628 };
 629
 630 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 631                             struct cmdline *cl,
 632                             __attribute__((unused)) void *data)
 633 {
 634         rte_spinlock_trylock(&global_flag_stru_p->lock);
 635         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 636                 cmdline_printf(cl,
 637                                         "lcore_main not running on core:%d\n",
 638                                         global_flag_stru_p->LcoreMainCore);
 639                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 640                 cmdline_quit(cl);
 641                 return;
 642         }
 643         global_flag_stru_p->LcoreMainIsRunning = 0;
 644         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 645                 cmdline_printf(cl,
 646                                 "error: lcore_main can not stop on core:%d\n",
 647                                 global_flag_stru_p->LcoreMainCore);
 648         else
 649                 cmdline_printf(cl,
 650                                 "lcore_main stopped on core:%d\n",
 651                                 global_flag_stru_p->LcoreMainCore);
 652         rte_spinlock_unlock(&global_flag_stru_p->lock);
 653         cmdline_quit(cl);
 654 }
 655
 656 cmdline_parse_token_string_t cmd_quit_quit =
 657         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 658
 659 cmdline_parse_inst_t cmd_quit = {
 660         .f = cmd_quit_parsed,  /* function to call */
 661         .data = NULL,      /* 2nd arg of func */
 662         .help_str = "this command do not handle any arguments",
 663         .tokens = {        /* token list, NULL terminated */
 664                 (void *)&cmd_quit_quit,
 665                 NULL,
 666         },
 667 };
 668
 669 struct cmd_show_result {
 670         cmdline_fixed_string_t show;
 671 };
 672
 673 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 674                             struct cmdline *cl,
 675                             __attribute__((unused)) void *data)
 676 {
 677         uint16_t slaves[16] = {0};
 678         uint8_t len = 16;
 679         struct ether_addr addr;
 680         uint16_t i = 0;
 681
 682         while (i < slaves_count)        {
 683                 rte_eth_macaddr_get(i, &addr);
 684                 PRINT_MAC(addr);
 685                 printf("\n");
 686                 i++;
 687         }
 688
 689         rte_spinlock_trylock(&global_flag_stru_p->lock);
 690         cmdline_printf(cl,
 691                         "Active_slaves:%d "
 692                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 693                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 694                         global_flag_stru_p->port_packets[0],
 695                         global_flag_stru_p->port_packets[1],
 696                         global_flag_stru_p->port_packets[2]);
 697         rte_spinlock_unlock(&global_flag_stru_p->lock);
 698 }
 699
 700 cmdline_parse_token_string_t cmd_show_show =
 701         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 702
 703 cmdline_parse_inst_t cmd_show = {
 704         .f = cmd_show_parsed,  /* function to call */
 705         .data = NULL,      /* 2nd arg of func */
 706         .help_str = "this command do not handle any arguments",
 707         .tokens = {        /* token list, NULL terminated */
 708                 (void *)&cmd_show_show,
 709                 NULL,
 710         },
 711 };
 712
 713 /****** CONTEXT (list of instruction) */
 714
 715 cmdline_parse_ctx_t main_ctx[] = {
 716         (cmdline_parse_inst_t *)&cmd_start,
 717         (cmdline_parse_inst_t *)&cmd_obj_send,
 718         (cmdline_parse_inst_t *)&cmd_stop,
 719         (cmdline_parse_inst_t *)&cmd_show,
 720         (cmdline_parse_inst_t *)&cmd_quit,
 721         (cmdline_parse_inst_t *)&cmd_help,
 722         NULL,
 723 };
 724
 725 /* prompt function, called from main on MASTER lcore */
 726 static void prompt(__attribute__((unused)) void *arg1)
 727 {
 728         struct cmdline *cl;
 729
 730         cl = cmdline_stdin_new(main_ctx, "bond6>");
 731         if (cl != NULL) {
 732                 cmdline_interact(cl);
 733                 cmdline_stdin_exit(cl);
 734         }
 735 }
 736
 737 /* Main function, does initialisation and calls the per-lcore functions */
 738 int
 739 main(int argc, char *argv[])
 740 {
 741         int ret;
 742         uint8_t nb_ports, i;
 743
 744         /* init EAL */
 745         ret = rte_eal_init(argc, argv);
 746         rte_eal_devargs_dump(stdout);
 747         if (ret < 0)
 748                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 749         argc -= ret;
 750         argv += ret;
 751
 752         nb_ports = rte_eth_dev_count();
 753         if (nb_ports == 0)
 754                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 755         else if (nb_ports > MAX_PORTS)
 756                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 757
 758         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 759                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 760         if (mbuf_pool == NULL)
 761                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 762
 763         /* initialize all ports */
 764         slaves_count = nb_ports;
 765         for (i = 0; i < nb_ports; i++) {
 766                 slave_port_init(i, mbuf_pool);
 767                 slaves[i] = i;
 768         }
 769
 770         bond_port_init(mbuf_pool);
 771
 772         rte_spinlock_init(&global_flag_stru_p->lock);
 773         int slave_core_id = rte_lcore_id();
 774
 775         /* check state of lcores */
 776         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 777         if (lcore_config[slave_core_id].state != WAIT)
 778                 return -EBUSY;
 779         }
 780         /* start lcore main on core != master_core - ARP response thread */
 781         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 782         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 783                 return -EPERM;
 784
 785         global_flag_stru_p->LcoreMainIsRunning = 1;
 786         global_flag_stru_p->LcoreMainCore = slave_core_id;
 787         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 788                         slave_core_id,
 789                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 790                                         NULL,
 791                                         slave_core_id),
 792                         BOND_IP_1,
 793                         BOND_IP_2,
 794                         BOND_IP_3,
 795                         BOND_IP_4
 796                 );
 797
 798         /* Start prompt for user interact */
 799         prompt(NULL);
 800
 801         rte_delay_ms(100);
 802         return 0;
 803 }