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_atomic.h>
  28 #include <rte_cycles.h>
  29 #include <rte_prefetch.h>
  30 #include <rte_lcore.h>
  31 #include <rte_per_lcore.h>
  32 #include <rte_branch_prediction.h>
  33 #include <rte_interrupts.h>
  34 #include <rte_random.h>
  35 #include <rte_debug.h>
  36 #include <rte_ether.h>
  37 #include <rte_ethdev.h>
  38 #include <rte_mempool.h>
  39 #include <rte_mbuf.h>
  40 #include <rte_ip.h>
  41 #include <rte_tcp.h>
  42 #include <rte_arp.h>
  43 #include <rte_spinlock.h>
  44
  45 #include <cmdline_rdline.h>
  46 #include <cmdline_parse.h>
  47 #include <cmdline_parse_num.h>
  48 #include <cmdline_parse_string.h>
  49 #include <cmdline_parse_ipaddr.h>
  50 #include <cmdline_parse_etheraddr.h>
  51 #include <cmdline_socket.h>
  52 #include <cmdline.h>
  53
  54 #include "main.h"
  55
  56 #include <rte_devargs.h>
  57
  58
  59 #include "rte_byteorder.h"
  60 #include "rte_cpuflags.h"
  61 #include "rte_eth_bond.h"
  62
  63 #define RTE_LOGTYPE_DCB RTE_LOGTYPE_USER1
  64
  65 #define NB_MBUF   (1024*8)
  66
  67 #define MAX_PKT_BURST 32
  68 #define BURST_TX_DRAIN_US 100      /* TX drain every ~100us */
  69 #define BURST_RX_INTERVAL_NS (10) /* RX poll interval ~100ns */
  70
  71 /*
  72  * RX and TX Prefetch, Host, and Write-back threshold values should be
  73  * carefully set for optimal performance. Consult the network
  74  * controller's datasheet and supporting DPDK documentation for guidance
  75  * on how these parameters should be set.
  76  */
  77 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
  78 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
  79 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
  80 #define RX_FTHRESH (MAX_PKT_BURST * 2)/**< Default values of RX free threshold reg. */
  81
  82 /*
  83  * These default values are optimized for use with the Intel(R) 82599 10 GbE
  84  * Controller and the DPDK ixgbe PMD. Consider using other values for other
  85  * network controllers and/or network drivers.
  86  */
  87 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
  88 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
  89 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
  90
  91 /*
  92  * Configurable number of RX/TX ring descriptors
  93  */
  94 #define RTE_RX_DESC_DEFAULT 1024
  95 #define RTE_TX_DESC_DEFAULT 1024
  96
  97 #define BOND_IP_1       7
  98 #define BOND_IP_2       0
  99 #define BOND_IP_3       0
 100 #define BOND_IP_4       10
 101
 102 /* not defined under linux */
 103 #ifndef NIPQUAD
 104 #define NIPQUAD_FMT "%u.%u.%u.%u"
 105 #endif
 106
 107 #define MAX_PORTS       4
 108 #define PRINT_MAC(addr)         printf("%02"PRIx8":%02"PRIx8":%02"PRIx8 \
 109                 ":%02"PRIx8":%02"PRIx8":%02"PRIx8,      \
 110                 addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], \
 111                 addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5])
 112
 113 uint16_t slaves[RTE_MAX_ETHPORTS];
 114 uint16_t slaves_count;
 115
 116 static uint16_t BOND_PORT = 0xffff;
 117
 118 static struct rte_mempool *mbuf_pool;
 119
 120 static struct rte_eth_conf port_conf = {
 121         .rxmode = {
 122                 .mq_mode = ETH_MQ_RX_NONE,
 123                 .max_rx_pkt_len = ETHER_MAX_LEN,
 124                 .split_hdr_size = 0,
 125                 .ignore_offload_bitfield = 1,
 126                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
 127         },
 128         .rx_adv_conf = {
 129                 .rss_conf = {
 130                         .rss_key = NULL,
 131                         .rss_hf = ETH_RSS_IP,
 132                 },
 133         },
 134         .txmode = {
 135                 .mq_mode = ETH_MQ_TX_NONE,
 136         },
 137 };
 138
 139 static void
 140 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 141 {
 142         int retval;
 143         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 144         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 145         struct rte_eth_dev_info dev_info;
 146         struct rte_eth_rxconf rxq_conf;
 147         struct rte_eth_txconf txq_conf;
 148         struct rte_eth_conf local_port_conf = port_conf;
 149
 150         if (portid >= rte_eth_dev_count())
 151                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 152
 153         rte_eth_dev_info_get(portid, &dev_info);
 154         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 155                 local_port_conf.txmode.offloads |=
 156                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 157         retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 158         if (retval != 0)
 159                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 160                                 portid, retval);
 161
 162         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 163         if (retval != 0)
 164                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 165                                 "failed (res=%d)\n", portid, retval);
 166
 167         /* RX setup */
 168         rxq_conf = dev_info.default_rxconf;
 169         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 170         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 171                                         rte_eth_dev_socket_id(portid),
 172                                         &rxq_conf,
 173                                         mbuf_pool);
 174         if (retval < 0)
 175                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 176                                 portid, retval);
 177
 178         /* TX setup */
 179         txq_conf = dev_info.default_txconf;
 180         txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
 181         txq_conf.offloads = local_port_conf.txmode.offloads;
 182         retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 183                                 rte_eth_dev_socket_id(portid), &txq_conf);
 184
 185         if (retval < 0)
 186                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 187                                 portid, retval);
 188
 189         retval  = rte_eth_dev_start(portid);
 190         if (retval < 0)
 191                 rte_exit(retval,
 192                                 "Start port %d failed (res=%d)",
 193                                 portid, retval);
 194
 195         struct ether_addr addr;
 196
 197         rte_eth_macaddr_get(portid, &addr);
 198         printf("Port %u MAC: ", portid);
 199         PRINT_MAC(addr);
 200         printf("\n");
 201 }
 202
 203 static void
 204 bond_port_init(struct rte_mempool *mbuf_pool)
 205 {
 206         int retval;
 207         uint8_t i;
 208         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 209         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 210         struct rte_eth_dev_info dev_info;
 211         struct rte_eth_rxconf rxq_conf;
 212         struct rte_eth_txconf txq_conf;
 213         struct rte_eth_conf local_port_conf = port_conf;
 214
 215         retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
 216                         0 /*SOCKET_ID_ANY*/);
 217         if (retval < 0)
 218                 rte_exit(EXIT_FAILURE,
 219                                 "Faled to create bond port\n");
 220
 221         BOND_PORT = retval;
 222
 223         rte_eth_dev_info_get(BOND_PORT, &dev_info);
 224         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 225                 local_port_conf.txmode.offloads |=
 226                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 227         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
 228         if (retval != 0)
 229                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 230                                 BOND_PORT, retval);
 231
 232         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 233         if (retval != 0)
 234                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 235                                 "failed (res=%d)\n", BOND_PORT, retval);
 236
 237         /* RX setup */
 238         rxq_conf = dev_info.default_rxconf;
 239         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 240         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 241                                         rte_eth_dev_socket_id(BOND_PORT),
 242                                         &rxq_conf, 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         txq_conf = dev_info.default_txconf;
 249         txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
 250         txq_conf.offloads = local_port_conf.txmode.offloads;
 251         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 252                                 rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
 253
 254         if (retval < 0)
 255                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 256                                 BOND_PORT, retval);
 257
 258         for (i = 0; i < slaves_count; i++) {
 259                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 260                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 261                                         slaves[i], BOND_PORT);
 262
 263         }
 264
 265         retval  = rte_eth_dev_start(BOND_PORT);
 266         if (retval < 0)
 267                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 268
 269         rte_eth_promiscuous_enable(BOND_PORT);
 270
 271         struct ether_addr addr;
 272
 273         rte_eth_macaddr_get(BOND_PORT, &addr);
 274         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 275                 PRINT_MAC(addr);
 276                 printf("\n");
 277 }
 278
 279 static inline size_t
 280 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 281 {
 282         size_t vlan_offset = 0;
 283
 284         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 285                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 286
 287                 vlan_offset = sizeof(struct vlan_hdr);
 288                 *proto = vlan_hdr->eth_proto;
 289
 290                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 291                         vlan_hdr = vlan_hdr + 1;
 292
 293                         *proto = vlan_hdr->eth_proto;
 294                         vlan_offset += sizeof(struct vlan_hdr);
 295                 }
 296         }
 297         return vlan_offset;
 298 }
 299
 300 struct global_flag_stru_t {
 301         int LcoreMainIsRunning;
 302         int LcoreMainCore;
 303         uint32_t port_packets[4];
 304         rte_spinlock_t lock;
 305 };
 306 struct global_flag_stru_t global_flag_stru;
 307 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 308
 309 /*
 310  * Main thread that does the work, reading from INPUT_PORT
 311  * and writing to OUTPUT_PORT
 312  */
 313 static int lcore_main(__attribute__((unused)) void *arg1)
 314 {
 315         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 316         struct ether_addr d_addr;
 317
 318         struct ether_hdr *eth_hdr;
 319         struct arp_hdr *arp_hdr;
 320         struct ipv4_hdr *ipv4_hdr;
 321         uint16_t ether_type, offset;
 322
 323         uint16_t rx_cnt;
 324         uint32_t bond_ip;
 325         int i = 0;
 326         uint8_t is_free;
 327
 328         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 329                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 330
 331         rte_spinlock_trylock(&global_flag_stru_p->lock);
 332
 333         while (global_flag_stru_p->LcoreMainIsRunning) {
 334                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 335                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 336                 is_free = 0;
 337
 338                 /* If didn't receive any packets, wait and go to next iteration */
 339                 if (rx_cnt == 0) {
 340                         rte_delay_us(50);
 341                         continue;
 342                 }
 343
 344                 /* Search incoming data for ARP packets and prepare response */
 345                 for (i = 0; i < rx_cnt; i++) {
 346                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 347                                 global_flag_stru_p->port_packets[0]++;
 348                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 349                         }
 350                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 351                         ether_type = eth_hdr->ether_type;
 352                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 353                                 printf("VLAN taged frame, offset:");
 354                         offset = get_vlan_offset(eth_hdr, &ether_type);
 355                         if (offset > 0)
 356                                 printf("%d\n", offset);
 357                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 358                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 359                                         global_flag_stru_p->port_packets[1]++;
 360                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 361                                 }
 362                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 363                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 364                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 365                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 366                                                 /* Switch src and dst data and set bonding MAC */
 367                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 368                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 369                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 370                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 371                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 372                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 373                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 374                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 375                                                 is_free = 1;
 376                                         } else {
 377                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 378                                         }
 379                                 }
 380                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 381                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 382                                         global_flag_stru_p->port_packets[2]++;
 383                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 384                                  }
 385                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 386                                 if (ipv4_hdr->dst_addr == bond_ip) {
 387                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 388                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 389                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 390                                         ipv4_hdr->src_addr = bond_ip;
 391                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 392                                 }
 393
 394                         }
 395
 396                         /* Free processed packets */
 397                         if (is_free == 0)
 398                                 rte_pktmbuf_free(pkts[i]);
 399                 }
 400                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 401         }
 402         rte_spinlock_unlock(&global_flag_stru_p->lock);
 403         printf("BYE lcore_main\n");
 404         return 0;
 405 }
 406
 407 struct cmd_obj_send_result {
 408         cmdline_fixed_string_t action;
 409         cmdline_ipaddr_t ip;
 410 };
 411 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 412 {
 413         snprintf(buf, size, NIPQUAD_FMT,
 414                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 415                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 416                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 417                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 418                 );
 419 }
 420 static void cmd_obj_send_parsed(void *parsed_result,
 421                 __attribute__((unused)) struct cmdline *cl,
 422                                __attribute__((unused)) void *data)
 423 {
 424
 425         struct cmd_obj_send_result *res = parsed_result;
 426         char ip_str[INET6_ADDRSTRLEN];
 427
 428         struct rte_mbuf *created_pkt;
 429         struct ether_hdr *eth_hdr;
 430         struct arp_hdr *arp_hdr;
 431
 432         uint32_t bond_ip;
 433         size_t pkt_size;
 434
 435         if (res->ip.family == AF_INET)
 436                 get_string(res, ip_str, INET_ADDRSTRLEN);
 437         else
 438                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 439
 440         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 441                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 442
 443         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 444         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 445         created_pkt->data_len = pkt_size;
 446         created_pkt->pkt_len = pkt_size;
 447
 448         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 449         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 450         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 451         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 452
 453         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 454         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 455         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 456         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 457         arp_hdr->arp_pln = sizeof(uint32_t);
 458         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 459
 460         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 461         arp_hdr->arp_data.arp_sip = bond_ip;
 462         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 463         arp_hdr->arp_data.arp_tip =
 464                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 465                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 466                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 467                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 468         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 469
 470         rte_delay_ms(100);
 471         cmdline_printf(cl, "\n");
 472 }
 473
 474 cmdline_parse_token_string_t cmd_obj_action_send =
 475         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 476 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 477         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 478
 479 cmdline_parse_inst_t cmd_obj_send = {
 480         .f = cmd_obj_send_parsed,  /* function to call */
 481         .data = NULL,      /* 2nd arg of func */
 482         .help_str = "send client_ip",
 483         .tokens = {        /* token list, NULL terminated */
 484                 (void *)&cmd_obj_action_send,
 485                 (void *)&cmd_obj_ip,
 486                 NULL,
 487         },
 488 };
 489
 490 struct cmd_start_result {
 491         cmdline_fixed_string_t start;
 492 };
 493
 494 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 495                                struct cmdline *cl,
 496                                __attribute__((unused)) void *data)
 497 {
 498         int slave_core_id = rte_lcore_id();
 499
 500         rte_spinlock_trylock(&global_flag_stru_p->lock);
 501         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 502                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 503                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 504                         return;
 505                 }
 506                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 507         } else {
 508                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 509                                 global_flag_stru_p->LcoreMainCore);
 510                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 511                 return;
 512         }
 513
 514         /* start lcore main on core != master_core - ARP response thread */
 515         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 516         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 517                 return;
 518
 519         rte_spinlock_trylock(&global_flag_stru_p->lock);
 520         global_flag_stru_p->LcoreMainIsRunning = 1;
 521         rte_spinlock_unlock(&global_flag_stru_p->lock);
 522         cmdline_printf(cl,
 523                         "Starting lcore_main on core %d:%d "
 524                         "Our IP:%d.%d.%d.%d\n",
 525                         slave_core_id,
 526                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 527                         BOND_IP_1,
 528                         BOND_IP_2,
 529                         BOND_IP_3,
 530                         BOND_IP_4
 531                 );
 532 }
 533
 534 cmdline_parse_token_string_t cmd_start_start =
 535         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 536
 537 cmdline_parse_inst_t cmd_start = {
 538         .f = cmd_start_parsed,  /* function to call */
 539         .data = NULL,      /* 2nd arg of func */
 540         .help_str = "starts listening if not started at startup",
 541         .tokens = {        /* token list, NULL terminated */
 542                 (void *)&cmd_start_start,
 543                 NULL,
 544         },
 545 };
 546
 547 struct cmd_help_result {
 548         cmdline_fixed_string_t help;
 549 };
 550
 551 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 552                             struct cmdline *cl,
 553                             __attribute__((unused)) void *data)
 554 {
 555         cmdline_printf(cl,
 556                         "ALB - link bonding mode 6 example\n"
 557                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 558                         "start          - starts listening ARPs.\n"
 559                         "stop           - stops lcore_main.\n"
 560                         "show           - shows some bond info: ex. active slaves etc.\n"
 561                         "help           - prints help.\n"
 562                         "quit           - terminate all threads and quit.\n"
 563                        );
 564 }
 565
 566 cmdline_parse_token_string_t cmd_help_help =
 567         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 568
 569 cmdline_parse_inst_t cmd_help = {
 570         .f = cmd_help_parsed,  /* function to call */
 571         .data = NULL,      /* 2nd arg of func */
 572         .help_str = "show help",
 573         .tokens = {        /* token list, NULL terminated */
 574                 (void *)&cmd_help_help,
 575                 NULL,
 576         },
 577 };
 578
 579 struct cmd_stop_result {
 580         cmdline_fixed_string_t stop;
 581 };
 582
 583 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 584                             struct cmdline *cl,
 585                             __attribute__((unused)) void *data)
 586 {
 587         rte_spinlock_trylock(&global_flag_stru_p->lock);
 588         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 589                 cmdline_printf(cl,
 590                                         "lcore_main not running on core:%d\n",
 591                                         global_flag_stru_p->LcoreMainCore);
 592                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 593                 return;
 594         }
 595         global_flag_stru_p->LcoreMainIsRunning = 0;
 596         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 597                 cmdline_printf(cl,
 598                                 "error: lcore_main can not stop on core:%d\n",
 599                                 global_flag_stru_p->LcoreMainCore);
 600         else
 601                 cmdline_printf(cl,
 602                                 "lcore_main stopped on core:%d\n",
 603                                 global_flag_stru_p->LcoreMainCore);
 604         rte_spinlock_unlock(&global_flag_stru_p->lock);
 605 }
 606
 607 cmdline_parse_token_string_t cmd_stop_stop =
 608         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 609
 610 cmdline_parse_inst_t cmd_stop = {
 611         .f = cmd_stop_parsed,  /* function to call */
 612         .data = NULL,      /* 2nd arg of func */
 613         .help_str = "this command do not handle any arguments",
 614         .tokens = {        /* token list, NULL terminated */
 615                 (void *)&cmd_stop_stop,
 616                 NULL,
 617         },
 618 };
 619
 620 struct cmd_quit_result {
 621         cmdline_fixed_string_t quit;
 622 };
 623
 624 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 625                             struct cmdline *cl,
 626                             __attribute__((unused)) void *data)
 627 {
 628         rte_spinlock_trylock(&global_flag_stru_p->lock);
 629         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 630                 cmdline_printf(cl,
 631                                         "lcore_main not running on core:%d\n",
 632                                         global_flag_stru_p->LcoreMainCore);
 633                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 634                 cmdline_quit(cl);
 635                 return;
 636         }
 637         global_flag_stru_p->LcoreMainIsRunning = 0;
 638         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 639                 cmdline_printf(cl,
 640                                 "error: lcore_main can not stop on core:%d\n",
 641                                 global_flag_stru_p->LcoreMainCore);
 642         else
 643                 cmdline_printf(cl,
 644                                 "lcore_main stopped on core:%d\n",
 645                                 global_flag_stru_p->LcoreMainCore);
 646         rte_spinlock_unlock(&global_flag_stru_p->lock);
 647         cmdline_quit(cl);
 648 }
 649
 650 cmdline_parse_token_string_t cmd_quit_quit =
 651         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 652
 653 cmdline_parse_inst_t cmd_quit = {
 654         .f = cmd_quit_parsed,  /* function to call */
 655         .data = NULL,      /* 2nd arg of func */
 656         .help_str = "this command do not handle any arguments",
 657         .tokens = {        /* token list, NULL terminated */
 658                 (void *)&cmd_quit_quit,
 659                 NULL,
 660         },
 661 };
 662
 663 struct cmd_show_result {
 664         cmdline_fixed_string_t show;
 665 };
 666
 667 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 668                             struct cmdline *cl,
 669                             __attribute__((unused)) void *data)
 670 {
 671         uint16_t slaves[16] = {0};
 672         uint8_t len = 16;
 673         struct ether_addr addr;
 674         uint16_t i = 0;
 675
 676         while (i < slaves_count)        {
 677                 rte_eth_macaddr_get(i, &addr);
 678                 PRINT_MAC(addr);
 679                 printf("\n");
 680                 i++;
 681         }
 682
 683         rte_spinlock_trylock(&global_flag_stru_p->lock);
 684         cmdline_printf(cl,
 685                         "Active_slaves:%d "
 686                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 687                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 688                         global_flag_stru_p->port_packets[0],
 689                         global_flag_stru_p->port_packets[1],
 690                         global_flag_stru_p->port_packets[2]);
 691         rte_spinlock_unlock(&global_flag_stru_p->lock);
 692 }
 693
 694 cmdline_parse_token_string_t cmd_show_show =
 695         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 696
 697 cmdline_parse_inst_t cmd_show = {
 698         .f = cmd_show_parsed,  /* function to call */
 699         .data = NULL,      /* 2nd arg of func */
 700         .help_str = "this command do not handle any arguments",
 701         .tokens = {        /* token list, NULL terminated */
 702                 (void *)&cmd_show_show,
 703                 NULL,
 704         },
 705 };
 706
 707 /****** CONTEXT (list of instruction) */
 708
 709 cmdline_parse_ctx_t main_ctx[] = {
 710         (cmdline_parse_inst_t *)&cmd_start,
 711         (cmdline_parse_inst_t *)&cmd_obj_send,
 712         (cmdline_parse_inst_t *)&cmd_stop,
 713         (cmdline_parse_inst_t *)&cmd_show,
 714         (cmdline_parse_inst_t *)&cmd_quit,
 715         (cmdline_parse_inst_t *)&cmd_help,
 716         NULL,
 717 };
 718
 719 /* prompt function, called from main on MASTER lcore */
 720 static void prompt(__attribute__((unused)) void *arg1)
 721 {
 722         struct cmdline *cl;
 723
 724         cl = cmdline_stdin_new(main_ctx, "bond6>");
 725         if (cl != NULL) {
 726                 cmdline_interact(cl);
 727                 cmdline_stdin_exit(cl);
 728         }
 729 }
 730
 731 /* Main function, does initialisation and calls the per-lcore functions */
 732 int
 733 main(int argc, char *argv[])
 734 {
 735         int ret;
 736         uint8_t nb_ports, i;
 737
 738         /* init EAL */
 739         ret = rte_eal_init(argc, argv);
 740         rte_eal_devargs_dump(stdout);
 741         if (ret < 0)
 742                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 743         argc -= ret;
 744         argv += ret;
 745
 746         nb_ports = rte_eth_dev_count();
 747         if (nb_ports == 0)
 748                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 749         else if (nb_ports > MAX_PORTS)
 750                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 751
 752         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 753                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 754         if (mbuf_pool == NULL)
 755                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 756
 757         /* initialize all ports */
 758         slaves_count = nb_ports;
 759         for (i = 0; i < nb_ports; i++) {
 760                 slave_port_init(i, mbuf_pool);
 761                 slaves[i] = i;
 762         }
 763
 764         bond_port_init(mbuf_pool);
 765
 766         rte_spinlock_init(&global_flag_stru_p->lock);
 767         int slave_core_id = rte_lcore_id();
 768
 769         /* check state of lcores */
 770         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 771         if (lcore_config[slave_core_id].state != WAIT)
 772                 return -EBUSY;
 773         }
 774         /* start lcore main on core != master_core - ARP response thread */
 775         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 776         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 777                 return -EPERM;
 778
 779         global_flag_stru_p->LcoreMainIsRunning = 1;
 780         global_flag_stru_p->LcoreMainCore = slave_core_id;
 781         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 782                         slave_core_id,
 783                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 784                                         NULL,
 785                                         slave_core_id),
 786                         BOND_IP_1,
 787                         BOND_IP_2,
 788                         BOND_IP_3,
 789                         BOND_IP_4
 790                 );
 791
 792         /* Start prompt for user interact */
 793         prompt(NULL);
 794
 795         rte_delay_ms(100);
 796         return 0;
 797 }