examples/bond/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2015 Intel Corporation
   3  */
   4
   5 #include <stdint.h>
   6 #include <sys/queue.h>
   7 #include <sys/socket.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <stdio.h>
  11 #include <assert.h>
  12 #include <errno.h>
  13 #include <signal.h>
  14 #include <stdarg.h>
  15 #include <inttypes.h>
  16 #include <getopt.h>
  17 #include <termios.h>
  18 #include <unistd.h>
  19 #include <pthread.h>
  20
  21 #include <rte_common.h>
  22 #include <rte_log.h>
  23 #include <rte_memory.h>
  24 #include <rte_memcpy.h>
  25 #include <rte_eal.h>
  26 #include <rte_launch.h>
  27 #include <rte_cycles.h>
  28 #include <rte_prefetch.h>
  29 #include <rte_lcore.h>
  30 #include <rte_per_lcore.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_random.h>
  34 #include <rte_debug.h>
  35 #include <rte_ether.h>
  36 #include <rte_ethdev.h>
  37 #include <rte_mempool.h>
  38 #include <rte_mbuf.h>
  39 #include <rte_ip.h>
  40 #include <rte_tcp.h>
  41 #include <rte_arp.h>
  42 #include <rte_spinlock.h>
  43 #include <rte_devargs.h>
  44 #include <rte_byteorder.h>
  45 #include <rte_cpuflags.h>
  46 #include <rte_eth_bond.h>
  47
  48 #include <cmdline_rdline.h>
  49 #include <cmdline_parse.h>
  50 #include <cmdline_parse_num.h>
  51 #include <cmdline_parse_string.h>
  52 #include <cmdline_parse_ipaddr.h>
  53 #include <cmdline_parse_etheraddr.h>
  54 #include <cmdline_socket.h>
  55 #include <cmdline.h>
  56
  57 #include "main.h"
  58
  59 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  60
  61 #define NB_MBUF   (1024*8)
  62
  63 #define MAX_PKT_BURST 32
  64 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
  65 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
  66
  67 /*
  68  * RX and TX Prefetch, Host, and Write-back threshold values should be
  69  * carefully set for optimal performance. Consult the network
  70  * controller's datasheet and supporting DPDK documentation for guidance
  71  * on how these parameters should be set.
  72  */
  73 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
  74 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
  75 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
  76 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
  77
  78 /*
  79  * These default values are optimized for use with the Intel(R) 82599 10 GbE
  80  * Controller and the DPDK ixgbe PMD. Consider using other values for other
  81  * network controllers and/or network drivers.
  82  */
  83 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
  84 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
  85 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
  86
  87 /*
  88  * Configurable number of RX/TX ring descriptors
  89  */
  90 #define RTE_RX_DESC_DEFAULT 1024
  91 #define RTE_TX_DESC_DEFAULT 1024
  92
  93 #define BOND_IP_1       7
  94 #define BOND_IP_2       0
  95 #define BOND_IP_3       0
  96 #define BOND_IP_4       10
  97
  98 /* not defined under linux */
  99 #ifndef NIPQUAD
 100 #define NIPQUAD_FMT "%u.%u.%u.%u"
 101 #endif
 102
 103 #define MAX_PORTS       4
 104 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 105                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 106                 RTE_ETHER_ADDR_BYTES(&addr))
 107
 108 uint16_t slaves[RTE_MAX_ETHPORTS];
 109 uint16_t slaves_count;
 110
 111 static uint16_t BOND_PORT = 0xffff;
 112
 113 static struct rte_mempool *mbuf_pool;
 114
 115 static struct rte_eth_conf port_conf = {
 116         .rxmode = {
 117                 .mq_mode = ETH_MQ_RX_NONE,
 118                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 119                 .split_hdr_size = 0,
 120         },
 121         .rx_adv_conf = {
 122                 .rss_conf = {
 123                         .rss_key = NULL,
 124                         .rss_hf = ETH_RSS_IP,
 125                 },
 126         },
 127         .txmode = {
 128                 .mq_mode = ETH_MQ_TX_NONE,
 129         },
 130 };
 131
 132 static void
 133 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 134 {
 135         int retval;
 136         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 137         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 138         struct rte_eth_dev_info dev_info;
 139         struct rte_eth_rxconf rxq_conf;
 140         struct rte_eth_txconf txq_conf;
 141         struct rte_eth_conf local_port_conf = port_conf;
 142
 143         if (!rte_eth_dev_is_valid_port(portid))
 144                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 145
 146         retval = rte_eth_dev_info_get(portid, &dev_info);
 147         if (retval != 0)
 148                 rte_exit(EXIT_FAILURE,
 149                         "Error during getting device (port %u) info: %s\n",
 150                         portid, strerror(-retval));
 151
 152         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 153                 local_port_conf.txmode.offloads |=
 154                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 155
 156         local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
 157                 dev_info.flow_type_rss_offloads;
 158         if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
 159                         port_conf.rx_adv_conf.rss_conf.rss_hf) {
 160                 printf("Port %u modified RSS hash function based on hardware support,"
 161                         "requested:%#"PRIx64" configured:%#"PRIx64"\n",
 162                         portid,
 163                         port_conf.rx_adv_conf.rss_conf.rss_hf,
 164                         local_port_conf.rx_adv_conf.rss_conf.rss_hf);
 165         }
 166
 167         retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 168         if (retval != 0)
 169                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 170                                 portid, retval);
 171
 172         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 173         if (retval != 0)
 174                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 175                                 "failed (res=%d)\n", portid, retval);
 176
 177         /* RX setup */
 178         rxq_conf = dev_info.default_rxconf;
 179         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 180         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 181                                         rte_eth_dev_socket_id(portid),
 182                                         &rxq_conf,
 183                                         mbuf_pool);
 184         if (retval < 0)
 185                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 186                                 portid, retval);
 187
 188         /* TX setup */
 189         txq_conf = dev_info.default_txconf;
 190         txq_conf.offloads = local_port_conf.txmode.offloads;
 191         retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 192                                 rte_eth_dev_socket_id(portid), &txq_conf);
 193
 194         if (retval < 0)
 195                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 196                                 portid, retval);
 197
 198         retval  = rte_eth_dev_start(portid);
 199         if (retval < 0)
 200                 rte_exit(retval,
 201                                 "Start port %d failed (res=%d)",
 202                                 portid, retval);
 203
 204         struct rte_ether_addr addr;
 205
 206         retval = rte_eth_macaddr_get(portid, &addr);
 207         if (retval != 0)
 208                 rte_exit(retval,
 209                                 "Mac address get port %d failed (res=%d)",
 210                                 portid, retval);
 211
 212         printf("Port %u MAC: ", portid);
 213         PRINT_MAC(addr);
 214         printf("\n");
 215 }
 216
 217 static void
 218 bond_port_init(struct rte_mempool *mbuf_pool)
 219 {
 220         int retval;
 221         uint8_t i;
 222         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 223         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 224         struct rte_eth_dev_info dev_info;
 225         struct rte_eth_rxconf rxq_conf;
 226         struct rte_eth_txconf txq_conf;
 227         struct rte_eth_conf local_port_conf = port_conf;
 228         uint16_t wait_counter = 20;
 229
 230         retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
 231                         0 /*SOCKET_ID_ANY*/);
 232         if (retval < 0)
 233                 rte_exit(EXIT_FAILURE,
 234                                 "Faled to create bond port\n");
 235
 236         BOND_PORT = retval;
 237
 238         retval = rte_eth_dev_info_get(BOND_PORT, &dev_info);
 239         if (retval != 0)
 240                 rte_exit(EXIT_FAILURE,
 241                         "Error during getting device (port %u) info: %s\n",
 242                         BOND_PORT, strerror(-retval));
 243
 244         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 245                 local_port_conf.txmode.offloads |=
 246                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 247         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
 248         if (retval != 0)
 249                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 250                                 BOND_PORT, retval);
 251
 252         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 253         if (retval != 0)
 254                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 255                                 "failed (res=%d)\n", BOND_PORT, retval);
 256
 257         for (i = 0; i < slaves_count; i++) {
 258                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 259                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 260                                         slaves[i], BOND_PORT);
 261
 262         }
 263
 264         /* RX setup */
 265         rxq_conf = dev_info.default_rxconf;
 266         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 267         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 268                                         rte_eth_dev_socket_id(BOND_PORT),
 269                                         &rxq_conf, mbuf_pool);
 270         if (retval < 0)
 271                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 272                                 BOND_PORT, retval);
 273
 274         /* TX setup */
 275         txq_conf = dev_info.default_txconf;
 276         txq_conf.offloads = local_port_conf.txmode.offloads;
 277         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 278                                 rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
 279
 280         if (retval < 0)
 281                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 282                                 BOND_PORT, retval);
 283
 284         retval  = rte_eth_dev_start(BOND_PORT);
 285         if (retval < 0)
 286                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 287
 288         printf("Waiting for slaves to become active...");
 289         while (wait_counter) {
 290                 uint16_t act_slaves[16] = {0};
 291                 if (rte_eth_bond_active_slaves_get(BOND_PORT, act_slaves, 16) ==
 292                                 slaves_count) {
 293                         printf("\n");
 294                         break;
 295                 }
 296                 sleep(1);
 297                 printf("...");
 298                 if (--wait_counter == 0)
 299                         rte_exit(-1, "\nFailed to activate slaves\n");
 300         }
 301
 302         retval = rte_eth_promiscuous_enable(BOND_PORT);
 303         if (retval != 0) {
 304                 rte_exit(EXIT_FAILURE,
 305                                 "port %u: promiscuous mode enable failed: %s\n",
 306                                 BOND_PORT, rte_strerror(-retval));
 307                 return;
 308         }
 309
 310         struct rte_ether_addr addr;
 311
 312         retval = rte_eth_macaddr_get(BOND_PORT, &addr);
 313         if (retval != 0)
 314                 rte_exit(retval, "port %u: Mac address get failed (res=%d)",
 315                                 BOND_PORT, retval);
 316
 317         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 318                 PRINT_MAC(addr);
 319                 printf("\n");
 320 }
 321
 322 static inline size_t
 323 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto)
 324 {
 325         size_t vlan_offset = 0;
 326
 327         if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
 328                 struct rte_vlan_hdr *vlan_hdr =
 329                         (struct rte_vlan_hdr *)(eth_hdr + 1);
 330
 331                 vlan_offset = sizeof(struct rte_vlan_hdr);
 332                 *proto = vlan_hdr->eth_proto;
 333
 334                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
 335                         vlan_hdr = vlan_hdr + 1;
 336
 337                         *proto = vlan_hdr->eth_proto;
 338                         vlan_offset += sizeof(struct rte_vlan_hdr);
 339                 }
 340         }
 341         return vlan_offset;
 342 }
 343
 344 struct global_flag_stru_t {
 345         int LcoreMainIsRunning;
 346         int LcoreMainCore;
 347         uint32_t port_packets[4];
 348         rte_spinlock_t lock;
 349 };
 350 struct global_flag_stru_t global_flag_stru;
 351 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 352
 353 /*
 354  * Main thread that does the work, reading from INPUT_PORT
 355  * and writing to OUTPUT_PORT
 356  */
 357 static int lcore_main(__rte_unused void *arg1)
 358 {
 359         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 360         struct rte_ether_addr dst_addr;
 361
 362         struct rte_ether_addr bond_mac_addr;
 363         struct rte_ether_hdr *eth_hdr;
 364         struct rte_arp_hdr *arp_hdr;
 365         struct rte_ipv4_hdr *ipv4_hdr;
 366         uint16_t ether_type, offset;
 367
 368         uint16_t rx_cnt;
 369         uint32_t bond_ip;
 370         int i = 0;
 371         uint8_t is_free;
 372         int ret;
 373
 374         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 375                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 376
 377         rte_spinlock_trylock(&global_flag_stru_p->lock);
 378
 379         while (global_flag_stru_p->LcoreMainIsRunning) {
 380                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 381                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 382                 is_free = 0;
 383
 384                 /* If didn't receive any packets, wait and go to next iteration */
 385                 if (rx_cnt == 0) {
 386                         rte_delay_us(50);
 387                         continue;
 388                 }
 389
 390                 ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr);
 391                 if (ret != 0) {
 392                         printf("Bond (port %u) MAC address get failed: %s.\n"
 393                                "%u packets dropped", BOND_PORT, strerror(-ret),
 394                                rx_cnt);
 395                         rte_pktmbuf_free(pkts[i]);
 396                         continue;
 397                 }
 398
 399                 /* Search incoming data for ARP packets and prepare response */
 400                 for (i = 0; i < rx_cnt; i++) {
 401                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 402                                 global_flag_stru_p->port_packets[0]++;
 403                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 404                         }
 405                         eth_hdr = rte_pktmbuf_mtod(pkts[i],
 406                                                 struct rte_ether_hdr *);
 407                         ether_type = eth_hdr->ether_type;
 408                         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN))
 409                                 printf("VLAN taged frame, offset:");
 410                         offset = get_vlan_offset(eth_hdr, &ether_type);
 411                         if (offset > 0)
 412                                 printf("%d\n", offset);
 413                         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
 414                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 415                                         global_flag_stru_p->port_packets[1]++;
 416                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 417                                 }
 418                                 arp_hdr = (struct rte_arp_hdr *)(
 419                                         (char *)(eth_hdr + 1) + offset);
 420                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 421                                         if (arp_hdr->arp_opcode == rte_cpu_to_be_16(RTE_ARP_OP_REQUEST)) {
 422                                                 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REPLY);
 423                                                 /* Switch src and dst data and set bonding MAC */
 424                                                 rte_ether_addr_copy(&eth_hdr->src_addr, &eth_hdr->dst_addr);
 425                                                 rte_ether_addr_copy(&bond_mac_addr, &eth_hdr->src_addr);
 426                                                 rte_ether_addr_copy(&arp_hdr->arp_data.arp_sha,
 427                                                                 &arp_hdr->arp_data.arp_tha);
 428                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 429                                                 rte_ether_addr_copy(&bond_mac_addr, &dst_addr);
 430                                                 rte_ether_addr_copy(&dst_addr, &arp_hdr->arp_data.arp_sha);
 431                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 432                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 433                                                 is_free = 1;
 434                                         } else {
 435                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 436                                         }
 437                                 }
 438                         } else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
 439                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 440                                         global_flag_stru_p->port_packets[2]++;
 441                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 442                                  }
 443                                 ipv4_hdr = (struct rte_ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 444                                 if (ipv4_hdr->dst_addr == bond_ip) {
 445                                         rte_ether_addr_copy(&eth_hdr->src_addr,
 446                                                         &eth_hdr->dst_addr);
 447                                         rte_ether_addr_copy(&bond_mac_addr,
 448                                                         &eth_hdr->src_addr);
 449                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 450                                         ipv4_hdr->src_addr = bond_ip;
 451                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 452                                 }
 453
 454                         }
 455
 456                         /* Free processed packets */
 457                         if (is_free == 0)
 458                                 rte_pktmbuf_free(pkts[i]);
 459                 }
 460                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 461         }
 462         rte_spinlock_unlock(&global_flag_stru_p->lock);
 463         printf("BYE lcore_main\n");
 464         return 0;
 465 }
 466
 467 struct cmd_obj_send_result {
 468         cmdline_fixed_string_t action;
 469         cmdline_ipaddr_t ip;
 470 };
 471 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 472 {
 473         snprintf(buf, size, NIPQUAD_FMT,
 474                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 475                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 476                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 477                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 478                 );
 479 }
 480 static void cmd_obj_send_parsed(void *parsed_result,
 481                 __rte_unused struct cmdline *cl,
 482                                __rte_unused void *data)
 483 {
 484
 485         struct cmd_obj_send_result *res = parsed_result;
 486         char ip_str[INET6_ADDRSTRLEN];
 487
 488         struct rte_ether_addr bond_mac_addr;
 489         struct rte_mbuf *created_pkt;
 490         struct rte_ether_hdr *eth_hdr;
 491         struct rte_arp_hdr *arp_hdr;
 492
 493         uint32_t bond_ip;
 494         size_t pkt_size;
 495         int ret;
 496
 497         if (res->ip.family == AF_INET)
 498                 get_string(res, ip_str, INET_ADDRSTRLEN);
 499         else
 500                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 501
 502         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 503                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 504
 505         ret = rte_eth_macaddr_get(BOND_PORT, &bond_mac_addr);
 506         if (ret != 0) {
 507                 cmdline_printf(cl,
 508                                "Failed to get bond (port %u) MAC address: %s\n",
 509                                BOND_PORT, strerror(-ret));
 510         }
 511
 512         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 513         if (created_pkt == NULL) {
 514                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 515                 return;
 516         }
 517
 518         pkt_size = sizeof(struct rte_ether_hdr) + sizeof(struct rte_arp_hdr);
 519         created_pkt->data_len = pkt_size;
 520         created_pkt->pkt_len = pkt_size;
 521
 522         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *);
 523         rte_ether_addr_copy(&bond_mac_addr, &eth_hdr->src_addr);
 524         memset(&eth_hdr->dst_addr, 0xFF, RTE_ETHER_ADDR_LEN);
 525         eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP);
 526
 527         arp_hdr = (struct rte_arp_hdr *)(
 528                 (char *)eth_hdr + sizeof(struct rte_ether_hdr));
 529         arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER);
 530         arp_hdr->arp_protocol = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
 531         arp_hdr->arp_hlen = RTE_ETHER_ADDR_LEN;
 532         arp_hdr->arp_plen = sizeof(uint32_t);
 533         arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REQUEST);
 534
 535         rte_ether_addr_copy(&bond_mac_addr, &arp_hdr->arp_data.arp_sha);
 536         arp_hdr->arp_data.arp_sip = bond_ip;
 537         memset(&arp_hdr->arp_data.arp_tha, 0, RTE_ETHER_ADDR_LEN);
 538         arp_hdr->arp_data.arp_tip =
 539                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 540                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 541                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 542                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 543         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 544
 545         rte_delay_ms(100);
 546         cmdline_printf(cl, "\n");
 547 }
 548
 549 cmdline_parse_token_string_t cmd_obj_action_send =
 550         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 551 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 552         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 553
 554 cmdline_parse_inst_t cmd_obj_send = {
 555         .f = cmd_obj_send_parsed,  /* function to call */
 556         .data = NULL,      /* 2nd arg of func */
 557         .help_str = "send client_ip",
 558         .tokens = {        /* token list, NULL terminated */
 559                 (void *)&cmd_obj_action_send,
 560                 (void *)&cmd_obj_ip,
 561                 NULL,
 562         },
 563 };
 564
 565 struct cmd_start_result {
 566         cmdline_fixed_string_t start;
 567 };
 568
 569 static void cmd_start_parsed(__rte_unused void *parsed_result,
 570                                struct cmdline *cl,
 571                                __rte_unused void *data)
 572 {
 573         int worker_core_id = rte_lcore_id();
 574
 575         rte_spinlock_trylock(&global_flag_stru_p->lock);
 576         if (global_flag_stru_p->LcoreMainIsRunning == 0) {
 577                 if (rte_eal_get_lcore_state(global_flag_stru_p->LcoreMainCore)
 578                     != WAIT) {
 579                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 580                         return;
 581                 }
 582                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 583         } else {
 584                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 585                                 global_flag_stru_p->LcoreMainCore);
 586                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 587                 return;
 588         }
 589
 590         /* start lcore main on core != main_core - ARP response thread */
 591         worker_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 592         if ((worker_core_id >= RTE_MAX_LCORE) || (worker_core_id == 0))
 593                 return;
 594
 595         rte_spinlock_trylock(&global_flag_stru_p->lock);
 596         global_flag_stru_p->LcoreMainIsRunning = 1;
 597         rte_spinlock_unlock(&global_flag_stru_p->lock);
 598         cmdline_printf(cl,
 599                         "Starting lcore_main on core %d:%d "
 600                         "Our IP:%d.%d.%d.%d\n",
 601                         worker_core_id,
 602                         rte_eal_remote_launch(lcore_main, NULL, worker_core_id),
 603                         BOND_IP_1,
 604                         BOND_IP_2,
 605                         BOND_IP_3,
 606                         BOND_IP_4
 607                 );
 608 }
 609
 610 cmdline_parse_token_string_t cmd_start_start =
 611         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 612
 613 cmdline_parse_inst_t cmd_start = {
 614         .f = cmd_start_parsed,  /* function to call */
 615         .data = NULL,      /* 2nd arg of func */
 616         .help_str = "starts listening if not started at startup",
 617         .tokens = {        /* token list, NULL terminated */
 618                 (void *)&cmd_start_start,
 619                 NULL,
 620         },
 621 };
 622
 623 struct cmd_help_result {
 624         cmdline_fixed_string_t help;
 625 };
 626
 627 static void cmd_help_parsed(__rte_unused void *parsed_result,
 628                             struct cmdline *cl,
 629                             __rte_unused void *data)
 630 {
 631         cmdline_printf(cl,
 632                         "ALB - link bonding mode 6 example\n"
 633                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 634                         "start          - starts listening ARPs.\n"
 635                         "stop           - stops lcore_main.\n"
 636                         "show           - shows some bond info: ex. active slaves etc.\n"
 637                         "help           - prints help.\n"
 638                         "quit           - terminate all threads and quit.\n"
 639                        );
 640 }
 641
 642 cmdline_parse_token_string_t cmd_help_help =
 643         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 644
 645 cmdline_parse_inst_t cmd_help = {
 646         .f = cmd_help_parsed,  /* function to call */
 647         .data = NULL,      /* 2nd arg of func */
 648         .help_str = "show help",
 649         .tokens = {        /* token list, NULL terminated */
 650                 (void *)&cmd_help_help,
 651                 NULL,
 652         },
 653 };
 654
 655 struct cmd_stop_result {
 656         cmdline_fixed_string_t stop;
 657 };
 658
 659 static void cmd_stop_parsed(__rte_unused void *parsed_result,
 660                             struct cmdline *cl,
 661                             __rte_unused void *data)
 662 {
 663         rte_spinlock_trylock(&global_flag_stru_p->lock);
 664         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 665                 cmdline_printf(cl,
 666                                         "lcore_main not running on core:%d\n",
 667                                         global_flag_stru_p->LcoreMainCore);
 668                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 669                 return;
 670         }
 671         global_flag_stru_p->LcoreMainIsRunning = 0;
 672         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 673                 cmdline_printf(cl,
 674                                 "error: lcore_main can not stop on core:%d\n",
 675                                 global_flag_stru_p->LcoreMainCore);
 676         else
 677                 cmdline_printf(cl,
 678                                 "lcore_main stopped on core:%d\n",
 679                                 global_flag_stru_p->LcoreMainCore);
 680         rte_spinlock_unlock(&global_flag_stru_p->lock);
 681 }
 682
 683 cmdline_parse_token_string_t cmd_stop_stop =
 684         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 685
 686 cmdline_parse_inst_t cmd_stop = {
 687         .f = cmd_stop_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_stop_stop,
 692                 NULL,
 693         },
 694 };
 695
 696 struct cmd_quit_result {
 697         cmdline_fixed_string_t quit;
 698 };
 699
 700 static void cmd_quit_parsed(__rte_unused void *parsed_result,
 701                             struct cmdline *cl,
 702                             __rte_unused void *data)
 703 {
 704         rte_spinlock_trylock(&global_flag_stru_p->lock);
 705         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 706                 cmdline_printf(cl,
 707                                         "lcore_main not running on core:%d\n",
 708                                         global_flag_stru_p->LcoreMainCore);
 709                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 710                 cmdline_quit(cl);
 711                 return;
 712         }
 713         global_flag_stru_p->LcoreMainIsRunning = 0;
 714         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 715                 cmdline_printf(cl,
 716                                 "error: lcore_main can not stop on core:%d\n",
 717                                 global_flag_stru_p->LcoreMainCore);
 718         else
 719                 cmdline_printf(cl,
 720                                 "lcore_main stopped on core:%d\n",
 721                                 global_flag_stru_p->LcoreMainCore);
 722         rte_spinlock_unlock(&global_flag_stru_p->lock);
 723         cmdline_quit(cl);
 724 }
 725
 726 cmdline_parse_token_string_t cmd_quit_quit =
 727         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 728
 729 cmdline_parse_inst_t cmd_quit = {
 730         .f = cmd_quit_parsed,  /* function to call */
 731         .data = NULL,      /* 2nd arg of func */
 732         .help_str = "this command do not handle any arguments",
 733         .tokens = {        /* token list, NULL terminated */
 734                 (void *)&cmd_quit_quit,
 735                 NULL,
 736         },
 737 };
 738
 739 struct cmd_show_result {
 740         cmdline_fixed_string_t show;
 741 };
 742
 743 static void cmd_show_parsed(__rte_unused void *parsed_result,
 744                             struct cmdline *cl,
 745                             __rte_unused void *data)
 746 {
 747         uint16_t slaves[16] = {0};
 748         uint8_t len = 16;
 749         struct rte_ether_addr addr;
 750         uint16_t i;
 751         int ret;
 752
 753         for (i = 0; i < slaves_count; i++) {
 754                 ret = rte_eth_macaddr_get(i, &addr);
 755                 if (ret != 0) {
 756                         cmdline_printf(cl,
 757                                 "Failed to get port %u MAC address: %s\n",
 758                                 i, strerror(-ret));
 759                         continue;
 760                 }
 761
 762                 PRINT_MAC(addr);
 763                 printf("\n");
 764         }
 765
 766         rte_spinlock_trylock(&global_flag_stru_p->lock);
 767         cmdline_printf(cl,
 768                         "Active_slaves:%d "
 769                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 770                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 771                         global_flag_stru_p->port_packets[0],
 772                         global_flag_stru_p->port_packets[1],
 773                         global_flag_stru_p->port_packets[2]);
 774         rte_spinlock_unlock(&global_flag_stru_p->lock);
 775 }
 776
 777 cmdline_parse_token_string_t cmd_show_show =
 778         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 779
 780 cmdline_parse_inst_t cmd_show = {
 781         .f = cmd_show_parsed,  /* function to call */
 782         .data = NULL,      /* 2nd arg of func */
 783         .help_str = "this command do not handle any arguments",
 784         .tokens = {        /* token list, NULL terminated */
 785                 (void *)&cmd_show_show,
 786                 NULL,
 787         },
 788 };
 789
 790 /****** CONTEXT (list of instruction) */
 791
 792 cmdline_parse_ctx_t main_ctx[] = {
 793         (cmdline_parse_inst_t *)&cmd_start,
 794         (cmdline_parse_inst_t *)&cmd_obj_send,
 795         (cmdline_parse_inst_t *)&cmd_stop,
 796         (cmdline_parse_inst_t *)&cmd_show,
 797         (cmdline_parse_inst_t *)&cmd_quit,
 798         (cmdline_parse_inst_t *)&cmd_help,
 799         NULL,
 800 };
 801
 802 /* prompt function, called from main on MAIN lcore */
 803 static void prompt(__rte_unused void *arg1)
 804 {
 805         struct cmdline *cl;
 806
 807         cl = cmdline_stdin_new(main_ctx, "bond6>");
 808         if (cl != NULL) {
 809                 cmdline_interact(cl);
 810                 cmdline_stdin_exit(cl);
 811         }
 812 }
 813
 814 /* Main function, does initialisation and calls the per-lcore functions */
 815 int
 816 main(int argc, char *argv[])
 817 {
 818         int ret, worker_core_id;
 819         uint16_t nb_ports, i;
 820
 821         /* init EAL */
 822         ret = rte_eal_init(argc, argv);
 823         rte_devargs_dump(stdout);
 824         if (ret < 0)
 825                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 826         argc -= ret;
 827         argv += ret;
 828
 829         nb_ports = rte_eth_dev_count_avail();
 830         if (nb_ports == 0)
 831                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 832         else if (nb_ports > MAX_PORTS)
 833                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 834
 835         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 836                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 837         if (mbuf_pool == NULL)
 838                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 839
 840         /* initialize all ports */
 841         slaves_count = nb_ports;
 842         RTE_ETH_FOREACH_DEV(i) {
 843                 slave_port_init(i, mbuf_pool);
 844                 slaves[i] = i;
 845         }
 846
 847         bond_port_init(mbuf_pool);
 848
 849         rte_spinlock_init(&global_flag_stru_p->lock);
 850
 851         /* check state of lcores */
 852         RTE_LCORE_FOREACH_WORKER(worker_core_id) {
 853                 if (rte_eal_get_lcore_state(worker_core_id) != WAIT)
 854                         return -EBUSY;
 855         }
 856
 857         /* start lcore main on core != main_core - ARP response thread */
 858         worker_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 859         if ((worker_core_id >= RTE_MAX_LCORE) || (worker_core_id == 0))
 860                 return -EPERM;
 861
 862         global_flag_stru_p->LcoreMainIsRunning = 1;
 863         global_flag_stru_p->LcoreMainCore = worker_core_id;
 864         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 865                         worker_core_id,
 866                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 867                                         NULL,
 868                                         worker_core_id),
 869                         BOND_IP_1,
 870                         BOND_IP_2,
 871                         BOND_IP_3,
 872                         BOND_IP_4
 873                 );
 874
 875         /* Start prompt for user interact */
 876         prompt(NULL);
 877
 878         rte_delay_ms(100);
 879
 880         /* clean up the EAL */
 881         rte_eal_cleanup();
 882
 883         return 0;
 884 }