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_memzone.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_launch.h>
  58 #include <rte_atomic.h>
  59 #include <rte_cycles.h>
  60 #include <rte_prefetch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_per_lcore.h>
  63 #include <rte_branch_prediction.h>
  64 #include <rte_interrupts.h>
  65 #include <rte_pci.h>
  66 #include <rte_random.h>
  67 #include <rte_debug.h>
  68 #include <rte_ether.h>
  69 #include <rte_ethdev.h>
  70 #include <rte_log.h>
  71 #include <rte_mempool.h>
  72 #include <rte_mbuf.h>
  73 #include <rte_memcpy.h>
  74 #include <rte_ip.h>
  75 #include <rte_tcp.h>
  76 #include <rte_arp.h>
  77 #include <rte_spinlock.h>
  78
  79 #include <cmdline_rdline.h>
  80 #include <cmdline_parse.h>
  81 #include <cmdline_parse_num.h>
  82 #include <cmdline_parse_string.h>
  83 #include <cmdline_parse_ipaddr.h>
  84 #include <cmdline_parse_etheraddr.h>
  85 #include <cmdline_socket.h>
  86 #include <cmdline.h>
  87
  88 #include "main.h"
  89
  90 #include <rte_devargs.h>
  91
  92
  93 #include "rte_byteorder.h"
  94 #include "rte_cpuflags.h"
  95 #include "rte_eth_bond.h"
  96
  97 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  98
  99 #define NB_MBUF   (1024*8)
 100
 101 #define MAX_PKT_BURST 32
 102 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
 103 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
 104
 105 /*
 106  * RX and TX Prefetch, Host, and Write-back threshold values should be
 107  * carefully set for optimal performance. Consult the network
 108  * controller's datasheet and supporting DPDK documentation for guidance
 109  * on how these parameters should be set.
 110  */
 111 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
 112 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
 113 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
 114 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
 115
 116 /*
 117  * These default values are optimized for use with the Intel(R) 82599 10 GbE
 118  * Controller and the DPDK ixgbe PMD. Consider using other values for other
 119  * network controllers and/or network drivers.
 120  */
 121 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
 122 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
 123 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
 124
 125 /*
 126  * Configurable number of RX/TX ring descriptors
 127  */
 128 #define RTE_RX_DESC_DEFAULT 128
 129 #define RTE_TX_DESC_DEFAULT 512
 130
 131 #define BOND_IP_1       7
 132 #define BOND_IP_2       0
 133 #define BOND_IP_3       0
 134 #define BOND_IP_4       10
 135
 136 /* not defined under linux */
 137 #ifndef NIPQUAD
 138 #define NIPQUAD_FMT "%u.%u.%u.%u"
 139 #endif
 140
 141 #define MAX_PORTS       4
 142 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 143                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 144                 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \
 145                 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5])
 146
 147 uint8_t slaves[RTE_MAX_ETHPORTS];
 148 uint8_t slaves_count;
 149
 150 static uint8_t BOND_PORT = 0xff;
 151
 152 static struct rte_mempool *mbuf_pool;
 153
 154 static struct rte_eth_conf port_conf = {
 155         .rxmode = {
 156                 .mq_mode = ETH_MQ_RX_NONE,
 157                 .max_rx_pkt_len = ETHER_MAX_LEN,
 158                 .split_hdr_size = 0,
 159                 .header_split   = 0, /**< Header Split disabled */
 160                 .hw_ip_checksum = 0, /**< IP checksum offload enabled */
 161                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 162                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 163                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 164         },
 165         .rx_adv_conf = {
 166                 .rss_conf = {
 167                         .rss_key = NULL,
 168                         .rss_hf = ETH_RSS_IP,
 169                 },
 170         },
 171         .txmode = {
 172                 .mq_mode = ETH_MQ_TX_NONE,
 173         },
 174 };
 175
 176 static void
 177 slave_port_init(uint8_t portid, struct rte_mempool *mbuf_pool)
 178 {
 179         int retval;
 180
 181         if (portid >= rte_eth_dev_count())
 182                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 183
 184         retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
 185         if (retval != 0)
 186                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 187                                 portid, retval);
 188
 189         /* RX setup */
 190         retval = rte_eth_rx_queue_setup(portid, 0, RTE_RX_DESC_DEFAULT,
 191                                         rte_eth_dev_socket_id(portid), NULL,
 192                                         mbuf_pool);
 193         if (retval < 0)
 194                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 195                                 portid, retval);
 196
 197         /* TX setup */
 198         retval = rte_eth_tx_queue_setup(portid, 0, RTE_TX_DESC_DEFAULT,
 199                                 rte_eth_dev_socket_id(portid), NULL);
 200
 201         if (retval < 0)
 202                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 203                                 portid, retval);
 204
 205         retval  = rte_eth_dev_start(portid);
 206         if (retval < 0)
 207                 rte_exit(retval,
 208                                 "Start port %d failed (res=%d)",
 209                                 portid, retval);
 210
 211         struct ether_addr addr;
 212
 213         rte_eth_macaddr_get(portid, &addr);
 214         printf("Port %u MAC: ", (unsigned)portid);
 215         PRINT_MAC(addr);
 216         printf("\n");
 217 }
 218
 219 static void
 220 bond_port_init(struct rte_mempool *mbuf_pool)
 221 {
 222         int retval;
 223         uint8_t i;
 224
 225         retval = rte_eth_bond_create("bond0", 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 = (uint8_t)retval;
 232
 233         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf);
 234         if (retval != 0)
 235                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 236                                 BOND_PORT, retval);
 237
 238         /* RX setup */
 239         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, RTE_RX_DESC_DEFAULT,
 240                                         rte_eth_dev_socket_id(BOND_PORT), NULL,
 241                                         mbuf_pool);
 242         if (retval < 0)
 243                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 244                                 BOND_PORT, retval);
 245
 246         /* TX setup */
 247         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, RTE_TX_DESC_DEFAULT,
 248                                 rte_eth_dev_socket_id(BOND_PORT), NULL);
 249
 250         if (retval < 0)
 251                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 252                                 BOND_PORT, retval);
 253
 254         for (i = 0; i < slaves_count; i++) {
 255                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 256                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 257                                         slaves[i], BOND_PORT);
 258
 259         }
 260
 261         retval  = rte_eth_dev_start(BOND_PORT);
 262         if (retval < 0)
 263                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 264
 265         rte_eth_promiscuous_enable(BOND_PORT);
 266
 267         struct ether_addr addr;
 268
 269         rte_eth_macaddr_get(BOND_PORT, &addr);
 270         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 271                 PRINT_MAC(addr);
 272                 printf("\n");
 273 }
 274
 275 static inline size_t
 276 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 277 {
 278         size_t vlan_offset = 0;
 279
 280         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 281                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 282
 283                 vlan_offset = sizeof(struct vlan_hdr);
 284                 *proto = vlan_hdr->eth_proto;
 285
 286                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 287                         vlan_hdr = vlan_hdr + 1;
 288
 289                         *proto = vlan_hdr->eth_proto;
 290                         vlan_offset += sizeof(struct vlan_hdr);
 291                 }
 292         }
 293         return vlan_offset;
 294 }
 295
 296 struct global_flag_stru_t {
 297         int LcoreMainIsRunning;
 298         int LcoreMainCore;
 299         uint32_t port_packets[4];
 300         rte_spinlock_t lock;
 301 };
 302 struct global_flag_stru_t global_flag_stru;
 303 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 304
 305 /*
 306  * Main thread that does the work, reading from INPUT_PORT
 307  * and writing to OUTPUT_PORT
 308  */
 309 static int lcore_main(__attribute__((unused)) void *arg1)
 310 {
 311         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 312         struct ether_addr d_addr;
 313
 314         struct ether_hdr *eth_hdr;
 315         struct arp_hdr *arp_hdr;
 316         struct ipv4_hdr *ipv4_hdr;
 317         uint16_t ether_type, offset;
 318
 319         uint16_t rx_cnt;
 320         uint32_t bond_ip;
 321         int i = 0;
 322         uint8_t is_free;
 323
 324         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 325                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 326
 327         rte_spinlock_trylock(&global_flag_stru_p->lock);
 328
 329         while (global_flag_stru_p->LcoreMainIsRunning) {
 330                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 331                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 332                 is_free = 0;
 333
 334                 /* If didn't receive any packets, wait and go to next iteration */
 335                 if (rx_cnt == 0) {
 336                         rte_delay_us(50);
 337                         continue;
 338                 }
 339
 340                 /* Search incoming data for ARP packets and prepare response */
 341                 for (i = 0; i < rx_cnt; i++) {
 342                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 343                                 global_flag_stru_p->port_packets[0]++;
 344                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 345                         }
 346                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 347                         ether_type = eth_hdr->ether_type;
 348                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 349                                 printf("VLAN taged frame, offset:");
 350                         offset = get_vlan_offset(eth_hdr, &ether_type);
 351                         if (offset > 0)
 352                                 printf("%d\n", offset);
 353                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 354                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 355                                         global_flag_stru_p->port_packets[1]++;
 356                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 357                                 }
 358                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 359                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 360                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 361                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 362                                                 /* Switch src and dst data and set bonding MAC */
 363                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 364                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 365                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 366                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 367                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 368                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 369                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 370                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 371                                                 is_free = 1;
 372                                         } else {
 373                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 374                                         }
 375                                 }
 376                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 377                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 378                                         global_flag_stru_p->port_packets[2]++;
 379                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 380                                  }
 381                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 382                                 if (ipv4_hdr->dst_addr == bond_ip) {
 383                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 384                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 385                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 386                                         ipv4_hdr->src_addr = bond_ip;
 387                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 388                                 }
 389
 390                         }
 391
 392                         /* Free processed packets */
 393                         if (is_free == 0)
 394                                 rte_pktmbuf_free(pkts[i]);
 395                 }
 396                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 397         }
 398         rte_spinlock_unlock(&global_flag_stru_p->lock);
 399         printf("BYE lcore_main\n");
 400         return 0;
 401 }
 402
 403 struct cmd_obj_send_result {
 404         cmdline_fixed_string_t action;
 405         cmdline_ipaddr_t ip;
 406 };
 407 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 408 {
 409         snprintf(buf, size, NIPQUAD_FMT,
 410                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 411                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 412                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 413                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 414                 );
 415 }
 416 static void cmd_obj_send_parsed(void *parsed_result,
 417                 __attribute__((unused)) struct cmdline *cl,
 418                                __attribute__((unused)) void *data)
 419 {
 420
 421         struct cmd_obj_send_result *res = parsed_result;
 422         char ip_str[INET6_ADDRSTRLEN];
 423
 424         struct rte_mbuf *created_pkt;
 425         struct ether_hdr *eth_hdr;
 426         struct arp_hdr *arp_hdr;
 427
 428         uint32_t bond_ip;
 429         size_t pkt_size;
 430
 431         if (res->ip.family == AF_INET)
 432                 get_string(res, ip_str, INET_ADDRSTRLEN);
 433         else
 434                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 435
 436         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 437                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 438
 439         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 440         if (created_pkt == NULL) {
 441                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 442                 return;
 443         }
 444
 445         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 446         created_pkt->data_len = pkt_size;
 447         created_pkt->pkt_len = pkt_size;
 448
 449         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 450         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 451         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 452         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 453
 454         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 455         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 456         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 457         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 458         arp_hdr->arp_pln = sizeof(uint32_t);
 459         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 460
 461         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 462         arp_hdr->arp_data.arp_sip = bond_ip;
 463         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 464         arp_hdr->arp_data.arp_tip =
 465                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 466                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 467                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 468                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 469         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 470
 471         rte_delay_ms(100);
 472         cmdline_printf(cl, "\n");
 473 }
 474
 475 cmdline_parse_token_string_t cmd_obj_action_send =
 476         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 477 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 478         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 479
 480 cmdline_parse_inst_t cmd_obj_send = {
 481         .f = cmd_obj_send_parsed,  /* function to call */
 482         .data = NULL,      /* 2nd arg of func */
 483         .help_str = "send client_ip",
 484         .tokens = {        /* token list, NULL terminated */
 485                 (void *)&cmd_obj_action_send,
 486                 (void *)&cmd_obj_ip,
 487                 NULL,
 488         },
 489 };
 490
 491 struct cmd_start_result {
 492         cmdline_fixed_string_t start;
 493 };
 494
 495 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 496                                struct cmdline *cl,
 497                                __attribute__((unused)) void *data)
 498 {
 499         int slave_core_id = rte_lcore_id();
 500
 501         rte_spinlock_trylock(&global_flag_stru_p->lock);
 502         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 503                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 504                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 505                         return;
 506                 }
 507                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 508         } else {
 509                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 510                                 global_flag_stru_p->LcoreMainCore);
 511                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 512                 return;
 513         }
 514
 515         /* start lcore main on core != master_core - ARP response thread */
 516         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 517         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 518                 return;
 519
 520         rte_spinlock_trylock(&global_flag_stru_p->lock);
 521         global_flag_stru_p->LcoreMainIsRunning = 1;
 522         rte_spinlock_unlock(&global_flag_stru_p->lock);
 523         cmdline_printf(cl,
 524                         "Starting lcore_main on core %d:%d "
 525                         "Our IP:%d.%d.%d.%d\n",
 526                         slave_core_id,
 527                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 528                         BOND_IP_1,
 529                         BOND_IP_2,
 530                         BOND_IP_3,
 531                         BOND_IP_4
 532                 );
 533 }
 534
 535 cmdline_parse_token_string_t cmd_start_start =
 536         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 537
 538 cmdline_parse_inst_t cmd_start = {
 539         .f = cmd_start_parsed,  /* function to call */
 540         .data = NULL,      /* 2nd arg of func */
 541         .help_str = "starts listening if not started at startup",
 542         .tokens = {        /* token list, NULL terminated */
 543                 (void *)&cmd_start_start,
 544                 NULL,
 545         },
 546 };
 547
 548 struct cmd_help_result {
 549         cmdline_fixed_string_t help;
 550 };
 551
 552 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 553                             struct cmdline *cl,
 554                             __attribute__((unused)) void *data)
 555 {
 556         cmdline_printf(cl,
 557                         "ALB - link bonding mode 6 example\n"
 558                         "send IP        - sends one ARPrequest thru bonding for IP.\n"
 559                         "start          - starts listening ARPs.\n"
 560                         "stop           - stops lcore_main.\n"
 561                         "show           - shows some bond info: ex. active slaves etc.\n"
 562                         "help           - prints help.\n"
 563                         "quit           - terminate all threads and quit.\n"
 564                        );
 565 }
 566
 567 cmdline_parse_token_string_t cmd_help_help =
 568         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 569
 570 cmdline_parse_inst_t cmd_help = {
 571         .f = cmd_help_parsed,  /* function to call */
 572         .data = NULL,      /* 2nd arg of func */
 573         .help_str = "show help",
 574         .tokens = {        /* token list, NULL terminated */
 575                 (void *)&cmd_help_help,
 576                 NULL,
 577         },
 578 };
 579
 580 struct cmd_stop_result {
 581         cmdline_fixed_string_t stop;
 582 };
 583
 584 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 585                             struct cmdline *cl,
 586                             __attribute__((unused)) void *data)
 587 {
 588         rte_spinlock_trylock(&global_flag_stru_p->lock);
 589         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 590                 cmdline_printf(cl,
 591                                         "lcore_main not running on core:%d\n",
 592                                         global_flag_stru_p->LcoreMainCore);
 593                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 594                 return;
 595         }
 596         global_flag_stru_p->LcoreMainIsRunning = 0;
 597         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 598                 cmdline_printf(cl,
 599                                 "error: lcore_main can not stop on core:%d\n",
 600                                 global_flag_stru_p->LcoreMainCore);
 601         else
 602                 cmdline_printf(cl,
 603                                 "lcore_main stopped on core:%d\n",
 604                                 global_flag_stru_p->LcoreMainCore);
 605         rte_spinlock_unlock(&global_flag_stru_p->lock);
 606 }
 607
 608 cmdline_parse_token_string_t cmd_stop_stop =
 609         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 610
 611 cmdline_parse_inst_t cmd_stop = {
 612         .f = cmd_stop_parsed,  /* function to call */
 613         .data = NULL,      /* 2nd arg of func */
 614         .help_str = "this command do not handle any arguments",
 615         .tokens = {        /* token list, NULL terminated */
 616                 (void *)&cmd_stop_stop,
 617                 NULL,
 618         },
 619 };
 620
 621 struct cmd_quit_result {
 622         cmdline_fixed_string_t quit;
 623 };
 624
 625 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 626                             struct cmdline *cl,
 627                             __attribute__((unused)) void *data)
 628 {
 629         rte_spinlock_trylock(&global_flag_stru_p->lock);
 630         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 631                 cmdline_printf(cl,
 632                                         "lcore_main not running on core:%d\n",
 633                                         global_flag_stru_p->LcoreMainCore);
 634                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 635                 cmdline_quit(cl);
 636                 return;
 637         }
 638         global_flag_stru_p->LcoreMainIsRunning = 0;
 639         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 640                 cmdline_printf(cl,
 641                                 "error: lcore_main can not stop on core:%d\n",
 642                                 global_flag_stru_p->LcoreMainCore);
 643         else
 644                 cmdline_printf(cl,
 645                                 "lcore_main stopped on core:%d\n",
 646                                 global_flag_stru_p->LcoreMainCore);
 647         rte_spinlock_unlock(&global_flag_stru_p->lock);
 648         cmdline_quit(cl);
 649 }
 650
 651 cmdline_parse_token_string_t cmd_quit_quit =
 652         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 653
 654 cmdline_parse_inst_t cmd_quit = {
 655         .f = cmd_quit_parsed,  /* function to call */
 656         .data = NULL,      /* 2nd arg of func */
 657         .help_str = "this command do not handle any arguments",
 658         .tokens = {        /* token list, NULL terminated */
 659                 (void *)&cmd_quit_quit,
 660                 NULL,
 661         },
 662 };
 663
 664 struct cmd_show_result {
 665         cmdline_fixed_string_t show;
 666 };
 667
 668 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 669                             struct cmdline *cl,
 670                             __attribute__((unused)) void *data)
 671 {
 672         uint8_t slaves[16] = {0};
 673         uint8_t len = 16;
 674         struct ether_addr addr;
 675         uint8_t i = 0;
 676
 677         while (i < slaves_count)        {
 678                 rte_eth_macaddr_get(i, &addr);
 679                 PRINT_MAC(addr);
 680                 printf("\n");
 681                 i++;
 682         }
 683
 684         rte_spinlock_trylock(&global_flag_stru_p->lock);
 685         cmdline_printf(cl,
 686                         "Active_slaves:%d "
 687                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 688                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 689                         global_flag_stru_p->port_packets[0],
 690                         global_flag_stru_p->port_packets[1],
 691                         global_flag_stru_p->port_packets[2]);
 692         rte_spinlock_unlock(&global_flag_stru_p->lock);
 693 }
 694
 695 cmdline_parse_token_string_t cmd_show_show =
 696         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 697
 698 cmdline_parse_inst_t cmd_show = {
 699         .f = cmd_show_parsed,  /* function to call */
 700         .data = NULL,      /* 2nd arg of func */
 701         .help_str = "this command do not handle any arguments",
 702         .tokens = {        /* token list, NULL terminated */
 703                 (void *)&cmd_show_show,
 704                 NULL,
 705         },
 706 };
 707
 708 /****** CONTEXT (list of instruction) */
 709
 710 cmdline_parse_ctx_t main_ctx[] = {
 711         (cmdline_parse_inst_t *)&cmd_start,
 712         (cmdline_parse_inst_t *)&cmd_obj_send,
 713         (cmdline_parse_inst_t *)&cmd_stop,
 714         (cmdline_parse_inst_t *)&cmd_show,
 715         (cmdline_parse_inst_t *)&cmd_quit,
 716         (cmdline_parse_inst_t *)&cmd_help,
 717         NULL,
 718 };
 719
 720 /* prompt function, called from main on MASTER lcore */
 721 static void prompt(__attribute__((unused)) void *arg1)
 722 {
 723         struct cmdline *cl;
 724
 725         cl = cmdline_stdin_new(main_ctx, "bond6>");
 726         if (cl != NULL) {
 727                 cmdline_interact(cl);
 728                 cmdline_stdin_exit(cl);
 729         }
 730 }
 731
 732 /* Main function, does initialisation and calls the per-lcore functions */
 733 int
 734 main(int argc, char *argv[])
 735 {
 736         int ret;
 737         uint8_t nb_ports, i;
 738
 739         /* init EAL */
 740         ret = rte_eal_init(argc, argv);
 741         rte_eal_devargs_dump(stdout);
 742         if (ret < 0)
 743                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 744         argc -= ret;
 745         argv += ret;
 746
 747         nb_ports = rte_eth_dev_count();
 748         if (nb_ports == 0)
 749                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 750         else if (nb_ports > MAX_PORTS)
 751                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 752
 753         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 754                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 755         if (mbuf_pool == NULL)
 756                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 757
 758         /* initialize all ports */
 759         slaves_count = nb_ports;
 760         for (i = 0; i < nb_ports; i++) {
 761                 slave_port_init(i, mbuf_pool);
 762                 slaves[i] = i;
 763         }
 764
 765         bond_port_init(mbuf_pool);
 766
 767         rte_spinlock_init(&global_flag_stru_p->lock);
 768         int slave_core_id = rte_lcore_id();
 769
 770         /* check state of lcores */
 771         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 772         if (lcore_config[slave_core_id].state != WAIT)
 773                 return -EBUSY;
 774         }
 775         /* start lcore main on core != master_core - ARP response thread */
 776         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 777         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 778                 return -EPERM;
 779
 780         global_flag_stru_p->LcoreMainIsRunning = 1;
 781         global_flag_stru_p->LcoreMainCore = slave_core_id;
 782         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 783                         slave_core_id,
 784                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 785                                         NULL,
 786                                         slave_core_id),
 787                         BOND_IP_1,
 788                         BOND_IP_2,
 789                         BOND_IP_3,
 790                         BOND_IP_4
 791                 );
 792
 793         /* Start prompt for user interact */
 794         prompt(NULL);
 795
 796         rte_delay_ms(100);
 797         return 0;
 798 }