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 <stdlib.h>
  37 #include <string.h>
  38 #include <stdio.h>
  39 #include <assert.h>
  40 #include <errno.h>
  41 #include <signal.h>
  42 #include <stdarg.h>
  43 #include <inttypes.h>
  44 #include <getopt.h>
  45 #include <termios.h>
  46 #include <unistd.h>
  47 #include <pthread.h>
  48
  49 #include <rte_common.h>
  50 #include <rte_log.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_tailq.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_launch.h>
  58 #include <rte_atomic.h>
  59 #include <rte_cycles.h>
  60 #include <rte_prefetch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_per_lcore.h>
  63 #include <rte_branch_prediction.h>
  64 #include <rte_interrupts.h>
  65 #include <rte_pci.h>
  66 #include <rte_random.h>
  67 #include <rte_debug.h>
  68 #include <rte_ether.h>
  69 #include <rte_ethdev.h>
  70 #include <rte_ring.h>
  71 #include <rte_log.h>
  72 #include <rte_mempool.h>
  73 #include <rte_mbuf.h>
  74 #include <rte_memcpy.h>
  75 #include <rte_ip.h>
  76 #include <rte_tcp.h>
  77 #include <rte_arp.h>
  78 #include <rte_spinlock.h>
  79
  80 #include <cmdline_rdline.h>
  81 #include <cmdline_parse.h>
  82 #include <cmdline_parse_num.h>
  83 #include <cmdline_parse_string.h>
  84 #include <cmdline_parse_ipaddr.h>
  85 #include <cmdline_parse_etheraddr.h>
  86 #include <cmdline_socket.h>
  87 #include <cmdline.h>
  88
  89 #include "main.h"
  90
  91 #include <rte_devargs.h>
  92
  93
  94 #include "rte_byteorder.h"
  95 #include "rte_cpuflags.h"
  96 #include "rte_eth_bond.h"
  97
  98 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  99
 100 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
 101 #define NB_MBUF   (1024*8)
 102
 103 #define MAX_PKT_BURST 32
 104 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
 105 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
 106
 107 /*
 108  * RX and TX Prefetch, Host, and Write-back threshold values should be
 109  * carefully set for optimal performance. Consult the network
 110  * controller's datasheet and supporting DPDK documentation for guidance
 111  * on how these parameters should be set.
 112  */
 113 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
 114 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
 115 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
 116 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
 117
 118 /*
 119  * These default values are optimized for use with the Intel(R) 82599 10 GbE
 120  * Controller and the DPDK ixgbe PMD. Consider using other values for other
 121  * network controllers and/or network drivers.
 122  */
 123 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
 124 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
 125 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
 126
 127 /*
 128  * Configurable number of RX/TX ring descriptors
 129  */
 130 #define RTE_RX_DESC_DEFAULT 128
 131 #define RTE_TX_DESC_DEFAULT 512
 132
 133 #define BOND_IP_1       7
 134 #define BOND_IP_2       0
 135 #define BOND_IP_3       0
 136 #define BOND_IP_4       10
 137
 138 /* not defined under linux */
 139 #ifndef NIPQUAD
 140 #define NIPQUAD_FMT "%u.%u.%u.%u"
 141 #endif
 142
 143 #define MAX_PORTS       4
 144 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 145                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 146                 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \
 147                 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5])
 148
 149 uint8_t slaves[RTE_MAX_ETHPORTS];
 150 uint8_t slaves_count;
 151
 152 static uint8_t BOND_PORT = 0xff;
 153
 154 static struct rte_mempool *mbuf_pool;
 155
 156 static struct rte_eth_conf port_conf = {
 157         .rxmode = {
 158                 .mq_mode = ETH_MQ_RX_NONE,
 159                 .max_rx_pkt_len = ETHER_MAX_LEN,
 160                 .split_hdr_size = 0,
 161                 .header_split   = 0, /**< Header Split disabled */
 162                 .hw_ip_checksum = 0, /**< IP checksum offload enabled */
 163                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 164                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 165                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 166         },
 167         .rx_adv_conf = {
 168                 .rss_conf = {
 169                         .rss_key = NULL,
 170                         .rss_hf = ETH_RSS_IP,
 171                 },
 172         },
 173         .txmode = {
 174                 .mq_mode = ETH_MQ_TX_NONE,
 175         },
 176 };
 177
 178 static void
 179 slave_port_init(uint8_t portid, struct rte_mempool *mbuf_pool)
 180 {
 181         int retval;
 182
 183         if (portid >= rte_eth_dev_count())
 184                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 185
 186         retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
 187         if (retval != 0)
 188                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 189                                 portid, retval);
 190
 191         /* RX setup */
 192         retval = rte_eth_rx_queue_setup(portid, 0, RTE_RX_DESC_DEFAULT,
 193                                         rte_eth_dev_socket_id(portid), NULL,
 194                                         mbuf_pool);
 195         if (retval < 0)
 196                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 197                                 portid, retval);
 198
 199         /* TX setup */
 200         retval = rte_eth_tx_queue_setup(portid, 0, RTE_TX_DESC_DEFAULT,
 201                                 rte_eth_dev_socket_id(portid), NULL);
 202
 203         if (retval < 0)
 204                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 205                                 portid, retval);
 206
 207         retval  = rte_eth_dev_start(portid);
 208         if (retval < 0)
 209                 rte_exit(retval,
 210                                 "Start port %d failed (res=%d)",
 211                                 portid, retval);
 212
 213         struct ether_addr addr;
 214
 215         rte_eth_macaddr_get(portid, &addr);
 216         printf("Port %u MAC: ", (unsigned)portid);
 217         PRINT_MAC(addr);
 218         printf("\n");
 219 }
 220
 221 static void
 222 bond_port_init(struct rte_mempool *mbuf_pool)
 223 {
 224         int retval;
 225         uint8_t i;
 226
 227         retval = rte_eth_bond_create("bond0", BONDING_MODE_ALB,
 228                         0 /*SOCKET_ID_ANY*/);
 229         if (retval < 0)
 230                 rte_exit(EXIT_FAILURE,
 231                                 "Faled to create bond port\n");
 232
 233         BOND_PORT = (uint8_t)retval;
 234
 235         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf);
 236         if (retval != 0)
 237                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 238                                 BOND_PORT, retval);
 239
 240         /* RX setup */
 241         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, RTE_RX_DESC_DEFAULT,
 242                                         rte_eth_dev_socket_id(BOND_PORT), NULL,
 243                                         mbuf_pool);
 244         if (retval < 0)
 245                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 246                                 BOND_PORT, retval);
 247
 248         /* TX setup */
 249         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, RTE_TX_DESC_DEFAULT,
 250                                 rte_eth_dev_socket_id(BOND_PORT), NULL);
 251
 252         if (retval < 0)
 253                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 254                                 BOND_PORT, retval);
 255
 256         for (i = 0; i < slaves_count; i++) {
 257                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 258                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 259                                         slaves[i], BOND_PORT);
 260
 261         }
 262
 263         retval  = rte_eth_dev_start(BOND_PORT);
 264         if (retval < 0)
 265                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 266
 267         rte_eth_promiscuous_enable(BOND_PORT);
 268
 269         struct ether_addr addr;
 270
 271         rte_eth_macaddr_get(BOND_PORT, &addr);
 272         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 273                 PRINT_MAC(addr);
 274                 printf("\n");
 275 }
 276
 277 static inline size_t
 278 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 279 {
 280         size_t vlan_offset = 0;
 281
 282         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 283                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 284
 285                 vlan_offset = sizeof(struct vlan_hdr);
 286                 *proto = vlan_hdr->eth_proto;
 287
 288                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 289                         vlan_hdr = vlan_hdr + 1;
 290
 291                         *proto = vlan_hdr->eth_proto;
 292                         vlan_offset += sizeof(struct vlan_hdr);
 293                 }
 294         }
 295         return vlan_offset;
 296 }
 297
 298 struct global_flag_stru_t {
 299         int LcoreMainIsRunning;
 300         int LcoreMainCore;
 301         uint32_t port_packets[4];
 302         rte_spinlock_t lock;
 303 };
 304 struct global_flag_stru_t global_flag_stru;
 305 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 306
 307 /*
 308  * Main thread that does the work, reading from INPUT_PORT
 309  * and writing to OUTPUT_PORT
 310  */
 311 static int lcore_main(__attribute__((unused)) void *arg1)
 312 {
 313         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 314         struct ether_addr d_addr;
 315
 316         struct ether_hdr *eth_hdr;
 317         struct arp_hdr *arp_hdr;
 318         struct ipv4_hdr *ipv4_hdr;
 319         uint16_t ether_type, offset;
 320
 321         uint16_t rx_cnt;
 322         uint32_t bond_ip;
 323         int i = 0;
 324         uint8_t is_free;
 325
 326         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 327                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 328
 329         rte_spinlock_trylock(&global_flag_stru_p->lock);
 330
 331         while (global_flag_stru_p->LcoreMainIsRunning) {
 332                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 333                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 334                 is_free = 0;
 335
 336                 /* If didn't receive any packets, wait and go to next iteration */
 337                 if (rx_cnt == 0) {
 338                         rte_delay_us(50);
 339                         continue;
 340                 }
 341
 342                 /* Search incoming data for ARP packets and prepare response */
 343                 for (i = 0; i < rx_cnt; i++) {
 344                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 345                                 global_flag_stru_p->port_packets[0]++;
 346                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 347                         }
 348                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 349                         ether_type = eth_hdr->ether_type;
 350                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 351                                 printf("VLAN taged frame, offset:");
 352                         offset = get_vlan_offset(eth_hdr, &ether_type);
 353                         if (offset > 0)
 354                                 printf("%d\n", offset);
 355                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 356                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 357                                         global_flag_stru_p->port_packets[1]++;
 358                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 359                                 }
 360                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 361                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 362                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 363                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 364                                                 /* Switch src and dst data and set bonding MAC */
 365                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 366                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 367                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 368                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 369                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 370                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 371                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 372                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 373                                                 is_free = 1;
 374                                         } else {
 375                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 376                                         }
 377                                 }
 378                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 379                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 380                                         global_flag_stru_p->port_packets[2]++;
 381                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 382                                  }
 383                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 384                                 if (ipv4_hdr->dst_addr == bond_ip) {
 385                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 386                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 387                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 388                                         ipv4_hdr->src_addr = bond_ip;
 389                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 390                                 }
 391
 392                         }
 393
 394                         /* Free processed packets */
 395                         if (is_free == 0)
 396                                 rte_pktmbuf_free(pkts[i]);
 397                 }
 398                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 399         }
 400         rte_spinlock_unlock(&global_flag_stru_p->lock);
 401         printf("BYE lcore_main\n");
 402         return 0;
 403 }
 404
 405 struct cmd_obj_send_result {
 406         cmdline_fixed_string_t action;
 407         cmdline_ipaddr_t ip;
 408 };
 409 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 410 {
 411         snprintf(buf, size, NIPQUAD_FMT,
 412                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 413                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 414                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 415                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 416                 );
 417 }
 418 static void cmd_obj_send_parsed(void *parsed_result,
 419                 __attribute__((unused)) struct cmdline *cl,
 420                                __attribute__((unused)) void *data)
 421 {
 422
 423         struct cmd_obj_send_result *res = parsed_result;
 424         char ip_str[INET6_ADDRSTRLEN];
 425
 426         struct rte_mbuf *created_pkt;
 427         struct ether_hdr *eth_hdr;
 428         struct arp_hdr *arp_hdr;
 429
 430         uint32_t bond_ip;
 431         size_t pkt_size;
 432
 433         if (res->ip.family == AF_INET)
 434                 get_string(res, ip_str, INET_ADDRSTRLEN);
 435         else
 436                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 437
 438         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 439                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 440
 441         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 442         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 443         created_pkt->data_len = pkt_size;
 444         created_pkt->pkt_len = pkt_size;
 445
 446         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 447         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 448         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 449         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 450
 451         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 452         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 453         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 454         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 455         arp_hdr->arp_pln = sizeof(uint32_t);
 456         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 457
 458         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 459         arp_hdr->arp_data.arp_sip = bond_ip;
 460         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 461         arp_hdr->arp_data.arp_tip =
 462                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 463                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 464                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 465                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 466         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 467
 468         rte_delay_ms(100);
 469         cmdline_printf(cl, "\n");
 470 }
 471
 472 cmdline_parse_token_string_t cmd_obj_action_send =
 473         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 474 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 475         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 476
 477 cmdline_parse_inst_t cmd_obj_send = {
 478         .f = cmd_obj_send_parsed,  /* function to call */
 479         .data = NULL,      /* 2nd arg of func */
 480         .help_str = "send client_ip",
 481         .tokens = {        /* token list, NULL terminated */
 482                 (void *)&cmd_obj_action_send,
 483                 (void *)&cmd_obj_ip,
 484                 NULL,
 485         },
 486 };
 487
 488 struct cmd_start_result {
 489         cmdline_fixed_string_t start;
 490 };
 491
 492 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 493                                struct cmdline *cl,
 494                                __attribute__((unused)) void *data)
 495 {
 496         int slave_core_id = rte_lcore_id();
 497
 498         rte_spinlock_trylock(&global_flag_stru_p->lock);
 499         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 500                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 501                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 502                         return;
 503                 }
 504                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 505         } else {
 506                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 507                                 global_flag_stru_p->LcoreMainCore);
 508                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 509                 return;
 510         }
 511
 512         /* start lcore main on core != master_core - ARP response thread */
 513         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 514         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 515                 return;
 516
 517         rte_spinlock_trylock(&global_flag_stru_p->lock);
 518         global_flag_stru_p->LcoreMainIsRunning = 1;
 519         rte_spinlock_unlock(&global_flag_stru_p->lock);
 520         cmdline_printf(cl,
 521                         "Starting lcore_main on core %d:%d "
 522                         "Our IP:%d.%d.%d.%d\n",
 523                         slave_core_id,
 524                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 525                         BOND_IP_1,
 526                         BOND_IP_2,
 527                         BOND_IP_3,
 528                         BOND_IP_4
 529                 );
 530 }
 531
 532 cmdline_parse_token_string_t cmd_start_start =
 533         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 534
 535 cmdline_parse_inst_t cmd_start = {
 536         .f = cmd_start_parsed,  /* function to call */
 537         .data = NULL,      /* 2nd arg of func */
 538         .help_str = "starts listening if not started at startup",
 539         .tokens = {        /* token list, NULL terminated */
 540                 (void *)&cmd_start_start,
 541                 NULL,
 542         },
 543 };
 544
 545 struct cmd_help_result {
 546         cmdline_fixed_string_t help;
 547 };
 548
 549 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 550                             struct cmdline *cl,
 551                             __attribute__((unused)) void *data)
 552 {
 553         cmdline_printf(cl,
 554                         "ALB - link bonding mode 6 example\n"
 555                         "send IP        - sends one ARPrequest thru bonding for IP.\n"
 556                         "start          - starts listening ARPs.\n"
 557                         "stop           - stops lcore_main.\n"
 558                         "show           - shows some bond info: ex. active slaves etc.\n"
 559                         "help           - prints help.\n"
 560                         "quit           - terminate all threads and quit.\n"
 561                        );
 562 }
 563
 564 cmdline_parse_token_string_t cmd_help_help =
 565         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 566
 567 cmdline_parse_inst_t cmd_help = {
 568         .f = cmd_help_parsed,  /* function to call */
 569         .data = NULL,      /* 2nd arg of func */
 570         .help_str = "show help",
 571         .tokens = {        /* token list, NULL terminated */
 572                 (void *)&cmd_help_help,
 573                 NULL,
 574         },
 575 };
 576
 577 struct cmd_stop_result {
 578         cmdline_fixed_string_t stop;
 579 };
 580
 581 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 582                             struct cmdline *cl,
 583                             __attribute__((unused)) void *data)
 584 {
 585         rte_spinlock_trylock(&global_flag_stru_p->lock);
 586         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 587                 cmdline_printf(cl,
 588                                         "lcore_main not running on core:%d\n",
 589                                         global_flag_stru_p->LcoreMainCore);
 590                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 591                 return;
 592         }
 593         global_flag_stru_p->LcoreMainIsRunning = 0;
 594         rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore);
 595         cmdline_printf(cl,
 596                         "lcore_main stopped on core:%d\n",
 597                         global_flag_stru_p->LcoreMainCore);
 598         rte_spinlock_unlock(&global_flag_stru_p->lock);
 599 }
 600
 601 cmdline_parse_token_string_t cmd_stop_stop =
 602         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 603
 604 cmdline_parse_inst_t cmd_stop = {
 605         .f = cmd_stop_parsed,  /* function to call */
 606         .data = NULL,      /* 2nd arg of func */
 607         .help_str = "this command do not handle any arguments",
 608         .tokens = {        /* token list, NULL terminated */
 609                 (void *)&cmd_stop_stop,
 610                 NULL,
 611         },
 612 };
 613
 614 struct cmd_quit_result {
 615         cmdline_fixed_string_t quit;
 616 };
 617
 618 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 619                             struct cmdline *cl,
 620                             __attribute__((unused)) void *data)
 621 {
 622         rte_spinlock_trylock(&global_flag_stru_p->lock);
 623         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 624                 cmdline_printf(cl,
 625                                         "lcore_main not running on core:%d\n",
 626                                         global_flag_stru_p->LcoreMainCore);
 627                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 628                 cmdline_quit(cl);
 629                 return;
 630         }
 631         global_flag_stru_p->LcoreMainIsRunning = 0;
 632         rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore);
 633         cmdline_printf(cl,
 634                         "lcore_main stopped on core:%d\n",
 635                         global_flag_stru_p->LcoreMainCore);
 636         rte_spinlock_unlock(&global_flag_stru_p->lock);
 637         cmdline_quit(cl);
 638 }
 639
 640 cmdline_parse_token_string_t cmd_quit_quit =
 641         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 642
 643 cmdline_parse_inst_t cmd_quit = {
 644         .f = cmd_quit_parsed,  /* function to call */
 645         .data = NULL,      /* 2nd arg of func */
 646         .help_str = "this command do not handle any arguments",
 647         .tokens = {        /* token list, NULL terminated */
 648                 (void *)&cmd_quit_quit,
 649                 NULL,
 650         },
 651 };
 652
 653 struct cmd_show_result {
 654         cmdline_fixed_string_t show;
 655 };
 656
 657 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 658                             struct cmdline *cl,
 659                             __attribute__((unused)) void *data)
 660 {
 661         uint8_t slaves[16] = {0};
 662         uint8_t len = 16;
 663         struct ether_addr addr;
 664         uint8_t i = 0;
 665
 666         while (i < slaves_count)        {
 667                 rte_eth_macaddr_get(i, &addr);
 668                 PRINT_MAC(addr);
 669                 printf("\n");
 670                 i++;
 671         }
 672
 673         rte_spinlock_trylock(&global_flag_stru_p->lock);
 674         cmdline_printf(cl,
 675                         "Active_slaves:%d "
 676                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 677                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 678                         global_flag_stru_p->port_packets[0],
 679                         global_flag_stru_p->port_packets[1],
 680                         global_flag_stru_p->port_packets[2]);
 681         rte_spinlock_unlock(&global_flag_stru_p->lock);
 682 }
 683
 684 cmdline_parse_token_string_t cmd_show_show =
 685         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 686
 687 cmdline_parse_inst_t cmd_show = {
 688         .f = cmd_show_parsed,  /* function to call */
 689         .data = NULL,      /* 2nd arg of func */
 690         .help_str = "this command do not handle any arguments",
 691         .tokens = {        /* token list, NULL terminated */
 692                 (void *)&cmd_show_show,
 693                 NULL,
 694         },
 695 };
 696
 697 /****** CONTEXT (list of instruction) */
 698
 699 cmdline_parse_ctx_t main_ctx[] = {
 700         (cmdline_parse_inst_t *)&cmd_start,
 701         (cmdline_parse_inst_t *)&cmd_obj_send,
 702         (cmdline_parse_inst_t *)&cmd_stop,
 703         (cmdline_parse_inst_t *)&cmd_show,
 704         (cmdline_parse_inst_t *)&cmd_quit,
 705         (cmdline_parse_inst_t *)&cmd_help,
 706         NULL,
 707 };
 708
 709 /* prompt function, called from main on MASTER lcore */
 710 static void *prompt(__attribute__((unused)) void *arg1)
 711 {
 712         struct cmdline *cl;
 713
 714         cl = cmdline_stdin_new(main_ctx, "bond6>");
 715         if (cl != NULL) {
 716                 cmdline_interact(cl);
 717                 cmdline_stdin_exit(cl);
 718         }
 719 }
 720
 721 /* Main function, does initialisation and calls the per-lcore functions */
 722 int
 723 main(int argc, char *argv[])
 724 {
 725         int ret;
 726         uint8_t nb_ports, i;
 727
 728         /* init EAL */
 729         ret = rte_eal_init(argc, argv);
 730         rte_eal_devargs_dump(stdout);
 731         if (ret < 0)
 732                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 733         argc -= ret;
 734         argv += ret;
 735
 736         nb_ports = rte_eth_dev_count();
 737         if (nb_ports == 0)
 738                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 739         else if (nb_ports > MAX_PORTS)
 740                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 741
 742         mbuf_pool = rte_mempool_create("MBUF_POOL", NB_MBUF,
 743                                        MBUF_SIZE, 32,
 744                                        sizeof(struct rte_pktmbuf_pool_private),
 745                                        rte_pktmbuf_pool_init, NULL,
 746                                        rte_pktmbuf_init, NULL,
 747                                        rte_socket_id(), 0);
 748         if (mbuf_pool == NULL)
 749                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 750
 751         /* initialize all ports */
 752         slaves_count = nb_ports;
 753         for (i = 0; i < nb_ports; i++) {
 754                 slave_port_init(i, mbuf_pool);
 755                 slaves[i] = i;
 756         }
 757
 758         bond_port_init(mbuf_pool);
 759
 760         rte_spinlock_init(&global_flag_stru_p->lock);
 761         int slave_core_id = rte_lcore_id();
 762
 763         /* check state of lcores */
 764         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 765         if (lcore_config[slave_core_id].state != WAIT)
 766                 return -EBUSY;
 767         }
 768         /* start lcore main on core != master_core - ARP response thread */
 769         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 770         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 771                 return -EPERM;
 772
 773         global_flag_stru_p->LcoreMainIsRunning = 1;
 774         global_flag_stru_p->LcoreMainCore = slave_core_id;
 775         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 776                         slave_core_id,
 777                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 778                                         NULL,
 779                                         slave_core_id),
 780                         BOND_IP_1,
 781                         BOND_IP_2,
 782                         BOND_IP_3,
 783                         BOND_IP_4
 784                 );
 785
 786         /* Start prompt for user interact */
 787         prompt(NULL);
 788
 789         rte_delay_ms(100);
 790         return 0;
 791 }