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