examples/bond/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdint.h>
  35 #include <sys/queue.h>
  36 #include <sys/socket.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <stdio.h>
  40 #include <assert.h>
  41 #include <errno.h>
  42 #include <signal.h>
  43 #include <stdarg.h>
  44 #include <inttypes.h>
  45 #include <getopt.h>
  46 #include <termios.h>
  47 #include <unistd.h>
  48 #include <pthread.h>
  49
  50 #include <rte_common.h>
  51 #include <rte_log.h>
  52 #include <rte_memory.h>
  53 #include <rte_memcpy.h>
  54 #include <rte_eal.h>
  55 #include <rte_launch.h>
  56 #include <rte_atomic.h>
  57 #include <rte_cycles.h>
  58 #include <rte_prefetch.h>
  59 #include <rte_lcore.h>
  60 #include <rte_per_lcore.h>
  61 #include <rte_branch_prediction.h>
  62 #include <rte_interrupts.h>
  63 #include <rte_random.h>
  64 #include <rte_debug.h>
  65 #include <rte_ether.h>
  66 #include <rte_ethdev.h>
  67 #include <rte_mempool.h>
  68 #include <rte_mbuf.h>
  69 #include <rte_ip.h>
  70 #include <rte_tcp.h>
  71 #include <rte_arp.h>
  72 #include <rte_spinlock.h>
  73
  74 #include <cmdline_rdline.h>
  75 #include <cmdline_parse.h>
  76 #include <cmdline_parse_num.h>
  77 #include <cmdline_parse_string.h>
  78 #include <cmdline_parse_ipaddr.h>
  79 #include <cmdline_parse_etheraddr.h>
  80 #include <cmdline_socket.h>
  81 #include <cmdline.h>
  82
  83 #include "main.h"
  84
  85 #include <rte_devargs.h>
  86
  87
  88 #include "rte_byteorder.h"
  89 #include "rte_cpuflags.h"
  90 #include "rte_eth_bond.h"
  91
  92 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  93
  94 #define NB_MBUF   (1024*8)
  95
  96 #define MAX_PKT_BURST 32
  97 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
  98 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
  99
 100 /*
 101  * RX and TX Prefetch, Host, and Write-back threshold values should be
 102  * carefully set for optimal performance. Consult the network
 103  * controller's datasheet and supporting DPDK documentation for guidance
 104  * on how these parameters should be set.
 105  */
 106 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
 107 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
 108 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
 109 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
 110
 111 /*
 112  * These default values are optimized for use with the Intel(R) 82599 10 GbE
 113  * Controller and the DPDK ixgbe PMD. Consider using other values for other
 114  * network controllers and/or network drivers.
 115  */
 116 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
 117 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
 118 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
 119
 120 /*
 121  * Configurable number of RX/TX ring descriptors
 122  */
 123 #define RTE_RX_DESC_DEFAULT 128
 124 #define RTE_TX_DESC_DEFAULT 512
 125
 126 #define BOND_IP_1       7
 127 #define BOND_IP_2       0
 128 #define BOND_IP_3       0
 129 #define BOND_IP_4       10
 130
 131 /* not defined under linux */
 132 #ifndef NIPQUAD
 133 #define NIPQUAD_FMT "%u.%u.%u.%u"
 134 #endif
 135
 136 #define MAX_PORTS       4
 137 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 138                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 139                 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \
 140                 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5])
 141
 142 uint16_t slaves[RTE_MAX_ETHPORTS];
 143 uint16_t slaves_count;
 144
 145 static uint16_t BOND_PORT = 0xffff;
 146
 147 static struct rte_mempool *mbuf_pool;
 148
 149 static struct rte_eth_conf port_conf = {
 150         .rxmode = {
 151                 .mq_mode = ETH_MQ_RX_NONE,
 152                 .max_rx_pkt_len = ETHER_MAX_LEN,
 153                 .split_hdr_size = 0,
 154                 .header_split   = 0, /**< Header Split disabled */
 155                 .hw_ip_checksum = 0, /**< IP checksum offload enabled */
 156                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 157                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 158                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 159         },
 160         .rx_adv_conf = {
 161                 .rss_conf = {
 162                         .rss_key = NULL,
 163                         .rss_hf = ETH_RSS_IP,
 164                 },
 165         },
 166         .txmode = {
 167                 .mq_mode = ETH_MQ_TX_NONE,
 168         },
 169 };
 170
 171 static void
 172 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 173 {
 174         int retval;
 175         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 176         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 177
 178         if (portid >= rte_eth_dev_count())
 179                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 180
 181         retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
 182         if (retval != 0)
 183                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 184                                 portid, retval);
 185
 186         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 187         if (retval != 0)
 188                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 189                                 "failed (res=%d)\n", portid, retval);
 190
 191         /* RX setup */
 192         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 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, nb_txd,
 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: ", 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         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 227         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 228
 229         retval = rte_eth_bond_create("bond0", BONDING_MODE_ALB,
 230                         0 /*SOCKET_ID_ANY*/);
 231         if (retval < 0)
 232                 rte_exit(EXIT_FAILURE,
 233                                 "Faled to create bond port\n");
 234
 235         BOND_PORT = retval;
 236
 237         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &port_conf);
 238         if (retval != 0)
 239                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 240                                 BOND_PORT, retval);
 241
 242         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 243         if (retval != 0)
 244                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 245                                 "failed (res=%d)\n", BOND_PORT, retval);
 246
 247         /* RX setup */
 248         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 249                                         rte_eth_dev_socket_id(BOND_PORT), NULL,
 250                                         mbuf_pool);
 251         if (retval < 0)
 252                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 253                                 BOND_PORT, retval);
 254
 255         /* TX setup */
 256         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 257                                 rte_eth_dev_socket_id(BOND_PORT), NULL);
 258
 259         if (retval < 0)
 260                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 261                                 BOND_PORT, retval);
 262
 263         for (i = 0; i < slaves_count; i++) {
 264                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 265                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 266                                         slaves[i], BOND_PORT);
 267
 268         }
 269
 270         retval  = rte_eth_dev_start(BOND_PORT);
 271         if (retval < 0)
 272                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 273
 274         rte_eth_promiscuous_enable(BOND_PORT);
 275
 276         struct ether_addr addr;
 277
 278         rte_eth_macaddr_get(BOND_PORT, &addr);
 279         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 280                 PRINT_MAC(addr);
 281                 printf("\n");
 282 }
 283
 284 static inline size_t
 285 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 286 {
 287         size_t vlan_offset = 0;
 288
 289         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 290                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 291
 292                 vlan_offset = sizeof(struct vlan_hdr);
 293                 *proto = vlan_hdr->eth_proto;
 294
 295                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 296                         vlan_hdr = vlan_hdr + 1;
 297
 298                         *proto = vlan_hdr->eth_proto;
 299                         vlan_offset += sizeof(struct vlan_hdr);
 300                 }
 301         }
 302         return vlan_offset;
 303 }
 304
 305 struct global_flag_stru_t {
 306         int LcoreMainIsRunning;
 307         int LcoreMainCore;
 308         uint32_t port_packets[4];
 309         rte_spinlock_t lock;
 310 };
 311 struct global_flag_stru_t global_flag_stru;
 312 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 313
 314 /*
 315  * Main thread that does the work, reading from INPUT_PORT
 316  * and writing to OUTPUT_PORT
 317  */
 318 static int lcore_main(__attribute__((unused)) void *arg1)
 319 {
 320         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 321         struct ether_addr d_addr;
 322
 323         struct ether_hdr *eth_hdr;
 324         struct arp_hdr *arp_hdr;
 325         struct ipv4_hdr *ipv4_hdr;
 326         uint16_t ether_type, offset;
 327
 328         uint16_t rx_cnt;
 329         uint32_t bond_ip;
 330         int i = 0;
 331         uint8_t is_free;
 332
 333         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 334                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 335
 336         rte_spinlock_trylock(&global_flag_stru_p->lock);
 337
 338         while (global_flag_stru_p->LcoreMainIsRunning) {
 339                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 340                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 341                 is_free = 0;
 342
 343                 /* If didn't receive any packets, wait and go to next iteration */
 344                 if (rx_cnt == 0) {
 345                         rte_delay_us(50);
 346                         continue;
 347                 }
 348
 349                 /* Search incoming data for ARP packets and prepare response */
 350                 for (i = 0; i < rx_cnt; i++) {
 351                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 352                                 global_flag_stru_p->port_packets[0]++;
 353                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 354                         }
 355                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 356                         ether_type = eth_hdr->ether_type;
 357                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 358                                 printf("VLAN taged frame, offset:");
 359                         offset = get_vlan_offset(eth_hdr, &ether_type);
 360                         if (offset > 0)
 361                                 printf("%d\n", offset);
 362                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 363                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 364                                         global_flag_stru_p->port_packets[1]++;
 365                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 366                                 }
 367                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 368                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 369                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 370                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 371                                                 /* Switch src and dst data and set bonding MAC */
 372                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 373                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 374                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 375                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 376                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 377                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 378                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 379                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 380                                                 is_free = 1;
 381                                         } else {
 382                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 383                                         }
 384                                 }
 385                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 386                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 387                                         global_flag_stru_p->port_packets[2]++;
 388                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 389                                  }
 390                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 391                                 if (ipv4_hdr->dst_addr == bond_ip) {
 392                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 393                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 394                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 395                                         ipv4_hdr->src_addr = bond_ip;
 396                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 397                                 }
 398
 399                         }
 400
 401                         /* Free processed packets */
 402                         if (is_free == 0)
 403                                 rte_pktmbuf_free(pkts[i]);
 404                 }
 405                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 406         }
 407         rte_spinlock_unlock(&global_flag_stru_p->lock);
 408         printf("BYE lcore_main\n");
 409         return 0;
 410 }
 411
 412 struct cmd_obj_send_result {
 413         cmdline_fixed_string_t action;
 414         cmdline_ipaddr_t ip;
 415 };
 416 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 417 {
 418         snprintf(buf, size, NIPQUAD_FMT,
 419                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 420                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 421                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 422                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 423                 );
 424 }
 425 static void cmd_obj_send_parsed(void *parsed_result,
 426                 __attribute__((unused)) struct cmdline *cl,
 427                                __attribute__((unused)) void *data)
 428 {
 429
 430         struct cmd_obj_send_result *res = parsed_result;
 431         char ip_str[INET6_ADDRSTRLEN];
 432
 433         struct rte_mbuf *created_pkt;
 434         struct ether_hdr *eth_hdr;
 435         struct arp_hdr *arp_hdr;
 436
 437         uint32_t bond_ip;
 438         size_t pkt_size;
 439
 440         if (res->ip.family == AF_INET)
 441                 get_string(res, ip_str, INET_ADDRSTRLEN);
 442         else
 443                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 444
 445         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 446                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 447
 448         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 449         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 450         created_pkt->data_len = pkt_size;
 451         created_pkt->pkt_len = pkt_size;
 452
 453         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 454         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 455         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 456         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 457
 458         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 459         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 460         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 461         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 462         arp_hdr->arp_pln = sizeof(uint32_t);
 463         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 464
 465         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 466         arp_hdr->arp_data.arp_sip = bond_ip;
 467         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 468         arp_hdr->arp_data.arp_tip =
 469                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 470                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 471                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 472                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 473         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 474
 475         rte_delay_ms(100);
 476         cmdline_printf(cl, "\n");
 477 }
 478
 479 cmdline_parse_token_string_t cmd_obj_action_send =
 480         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 481 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 482         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 483
 484 cmdline_parse_inst_t cmd_obj_send = {
 485         .f = cmd_obj_send_parsed,  /* function to call */
 486         .data = NULL,      /* 2nd arg of func */
 487         .help_str = "send client_ip",
 488         .tokens = {        /* token list, NULL terminated */
 489                 (void *)&cmd_obj_action_send,
 490                 (void *)&cmd_obj_ip,
 491                 NULL,
 492         },
 493 };
 494
 495 struct cmd_start_result {
 496         cmdline_fixed_string_t start;
 497 };
 498
 499 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 500                                struct cmdline *cl,
 501                                __attribute__((unused)) void *data)
 502 {
 503         int slave_core_id = rte_lcore_id();
 504
 505         rte_spinlock_trylock(&global_flag_stru_p->lock);
 506         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 507                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 508                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 509                         return;
 510                 }
 511                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 512         } else {
 513                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 514                                 global_flag_stru_p->LcoreMainCore);
 515                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 516                 return;
 517         }
 518
 519         /* start lcore main on core != master_core - ARP response thread */
 520         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 521         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 522                 return;
 523
 524         rte_spinlock_trylock(&global_flag_stru_p->lock);
 525         global_flag_stru_p->LcoreMainIsRunning = 1;
 526         rte_spinlock_unlock(&global_flag_stru_p->lock);
 527         cmdline_printf(cl,
 528                         "Starting lcore_main on core %d:%d "
 529                         "Our IP:%d.%d.%d.%d\n",
 530                         slave_core_id,
 531                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 532                         BOND_IP_1,
 533                         BOND_IP_2,
 534                         BOND_IP_3,
 535                         BOND_IP_4
 536                 );
 537 }
 538
 539 cmdline_parse_token_string_t cmd_start_start =
 540         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 541
 542 cmdline_parse_inst_t cmd_start = {
 543         .f = cmd_start_parsed,  /* function to call */
 544         .data = NULL,      /* 2nd arg of func */
 545         .help_str = "starts listening if not started at startup",
 546         .tokens = {        /* token list, NULL terminated */
 547                 (void *)&cmd_start_start,
 548                 NULL,
 549         },
 550 };
 551
 552 struct cmd_help_result {
 553         cmdline_fixed_string_t help;
 554 };
 555
 556 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 557                             struct cmdline *cl,
 558                             __attribute__((unused)) void *data)
 559 {
 560         cmdline_printf(cl,
 561                         "ALB - link bonding mode 6 example\n"
 562                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 563                         "start          - starts listening ARPs.\n"
 564                         "stop           - stops lcore_main.\n"
 565                         "show           - shows some bond info: ex. active slaves etc.\n"
 566                         "help           - prints help.\n"
 567                         "quit           - terminate all threads and quit.\n"
 568                        );
 569 }
 570
 571 cmdline_parse_token_string_t cmd_help_help =
 572         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 573
 574 cmdline_parse_inst_t cmd_help = {
 575         .f = cmd_help_parsed,  /* function to call */
 576         .data = NULL,      /* 2nd arg of func */
 577         .help_str = "show help",
 578         .tokens = {        /* token list, NULL terminated */
 579                 (void *)&cmd_help_help,
 580                 NULL,
 581         },
 582 };
 583
 584 struct cmd_stop_result {
 585         cmdline_fixed_string_t stop;
 586 };
 587
 588 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 589                             struct cmdline *cl,
 590                             __attribute__((unused)) void *data)
 591 {
 592         rte_spinlock_trylock(&global_flag_stru_p->lock);
 593         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 594                 cmdline_printf(cl,
 595                                         "lcore_main not running on core:%d\n",
 596                                         global_flag_stru_p->LcoreMainCore);
 597                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 598                 return;
 599         }
 600         global_flag_stru_p->LcoreMainIsRunning = 0;
 601         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 602                 cmdline_printf(cl,
 603                                 "error: lcore_main can not stop on core:%d\n",
 604                                 global_flag_stru_p->LcoreMainCore);
 605         else
 606                 cmdline_printf(cl,
 607                                 "lcore_main stopped on core:%d\n",
 608                                 global_flag_stru_p->LcoreMainCore);
 609         rte_spinlock_unlock(&global_flag_stru_p->lock);
 610 }
 611
 612 cmdline_parse_token_string_t cmd_stop_stop =
 613         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 614
 615 cmdline_parse_inst_t cmd_stop = {
 616         .f = cmd_stop_parsed,  /* function to call */
 617         .data = NULL,      /* 2nd arg of func */
 618         .help_str = "this command do not handle any arguments",
 619         .tokens = {        /* token list, NULL terminated */
 620                 (void *)&cmd_stop_stop,
 621                 NULL,
 622         },
 623 };
 624
 625 struct cmd_quit_result {
 626         cmdline_fixed_string_t quit;
 627 };
 628
 629 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 630                             struct cmdline *cl,
 631                             __attribute__((unused)) void *data)
 632 {
 633         rte_spinlock_trylock(&global_flag_stru_p->lock);
 634         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 635                 cmdline_printf(cl,
 636                                         "lcore_main not running on core:%d\n",
 637                                         global_flag_stru_p->LcoreMainCore);
 638                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 639                 cmdline_quit(cl);
 640                 return;
 641         }
 642         global_flag_stru_p->LcoreMainIsRunning = 0;
 643         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 644                 cmdline_printf(cl,
 645                                 "error: lcore_main can not stop on core:%d\n",
 646                                 global_flag_stru_p->LcoreMainCore);
 647         else
 648                 cmdline_printf(cl,
 649                                 "lcore_main stopped on core:%d\n",
 650                                 global_flag_stru_p->LcoreMainCore);
 651         rte_spinlock_unlock(&global_flag_stru_p->lock);
 652         cmdline_quit(cl);
 653 }
 654
 655 cmdline_parse_token_string_t cmd_quit_quit =
 656         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 657
 658 cmdline_parse_inst_t cmd_quit = {
 659         .f = cmd_quit_parsed,  /* function to call */
 660         .data = NULL,      /* 2nd arg of func */
 661         .help_str = "this command do not handle any arguments",
 662         .tokens = {        /* token list, NULL terminated */
 663                 (void *)&cmd_quit_quit,
 664                 NULL,
 665         },
 666 };
 667
 668 struct cmd_show_result {
 669         cmdline_fixed_string_t show;
 670 };
 671
 672 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 673                             struct cmdline *cl,
 674                             __attribute__((unused)) void *data)
 675 {
 676         uint16_t slaves[16] = {0};
 677         uint8_t len = 16;
 678         struct ether_addr addr;
 679         uint16_t i = 0;
 680
 681         while (i < slaves_count)        {
 682                 rte_eth_macaddr_get(i, &addr);
 683                 PRINT_MAC(addr);
 684                 printf("\n");
 685                 i++;
 686         }
 687
 688         rte_spinlock_trylock(&global_flag_stru_p->lock);
 689         cmdline_printf(cl,
 690                         "Active_slaves:%d "
 691                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 692                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 693                         global_flag_stru_p->port_packets[0],
 694                         global_flag_stru_p->port_packets[1],
 695                         global_flag_stru_p->port_packets[2]);
 696         rte_spinlock_unlock(&global_flag_stru_p->lock);
 697 }
 698
 699 cmdline_parse_token_string_t cmd_show_show =
 700         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 701
 702 cmdline_parse_inst_t cmd_show = {
 703         .f = cmd_show_parsed,  /* function to call */
 704         .data = NULL,      /* 2nd arg of func */
 705         .help_str = "this command do not handle any arguments",
 706         .tokens = {        /* token list, NULL terminated */
 707                 (void *)&cmd_show_show,
 708                 NULL,
 709         },
 710 };
 711
 712 /****** CONTEXT (list of instruction) */
 713
 714 cmdline_parse_ctx_t main_ctx[] = {
 715         (cmdline_parse_inst_t *)&cmd_start,
 716         (cmdline_parse_inst_t *)&cmd_obj_send,
 717         (cmdline_parse_inst_t *)&cmd_stop,
 718         (cmdline_parse_inst_t *)&cmd_show,
 719         (cmdline_parse_inst_t *)&cmd_quit,
 720         (cmdline_parse_inst_t *)&cmd_help,
 721         NULL,
 722 };
 723
 724 /* prompt function, called from main on MASTER lcore */
 725 static void prompt(__attribute__((unused)) void *arg1)
 726 {
 727         struct cmdline *cl;
 728
 729         cl = cmdline_stdin_new(main_ctx, "bond6>");
 730         if (cl != NULL) {
 731                 cmdline_interact(cl);
 732                 cmdline_stdin_exit(cl);
 733         }
 734 }
 735
 736 /* Main function, does initialisation and calls the per-lcore functions */
 737 int
 738 main(int argc, char *argv[])
 739 {
 740         int ret;
 741         uint8_t nb_ports, i;
 742
 743         /* init EAL */
 744         ret = rte_eal_init(argc, argv);
 745         rte_eal_devargs_dump(stdout);
 746         if (ret < 0)
 747                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 748         argc -= ret;
 749         argv += ret;
 750
 751         nb_ports = rte_eth_dev_count();
 752         if (nb_ports == 0)
 753                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 754         else if (nb_ports > MAX_PORTS)
 755                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 756
 757         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 758                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 759         if (mbuf_pool == NULL)
 760                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 761
 762         /* initialize all ports */
 763         slaves_count = nb_ports;
 764         for (i = 0; i < nb_ports; i++) {
 765                 slave_port_init(i, mbuf_pool);
 766                 slaves[i] = i;
 767         }
 768
 769         bond_port_init(mbuf_pool);
 770
 771         rte_spinlock_init(&global_flag_stru_p->lock);
 772         int slave_core_id = rte_lcore_id();
 773
 774         /* check state of lcores */
 775         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 776         if (lcore_config[slave_core_id].state != WAIT)
 777                 return -EBUSY;
 778         }
 779         /* start lcore main on core != master_core - ARP response thread */
 780         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 781         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 782                 return -EPERM;
 783
 784         global_flag_stru_p->LcoreMainIsRunning = 1;
 785         global_flag_stru_p->LcoreMainCore = slave_core_id;
 786         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 787                         slave_core_id,
 788                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 789                                         NULL,
 790                                         slave_core_id),
 791                         BOND_IP_1,
 792                         BOND_IP_2,
 793                         BOND_IP_3,
 794                         BOND_IP_4
 795                 );
 796
 797         /* Start prompt for user interact */
 798         prompt(NULL);
 799
 800         rte_delay_ms(100);
 801         return 0;
 802 }