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                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
 126         },
 127         .rx_adv_conf = {
 128                 .rss_conf = {
 129                         .rss_key = NULL,
 130                         .rss_hf = ETH_RSS_IP,
 131                 },
 132         },
 133         .txmode = {
 134                 .mq_mode = ETH_MQ_TX_NONE,
 135         },
 136 };
 137
 138 static void
 139 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 140 {
 141         int retval;
 142         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 143         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 144         struct rte_eth_dev_info dev_info;
 145         struct rte_eth_rxconf rxq_conf;
 146         struct rte_eth_txconf txq_conf;
 147         struct rte_eth_conf local_port_conf = port_conf;
 148
 149         if (!rte_eth_dev_is_valid_port(portid))
 150                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 151
 152         rte_eth_dev_info_get(portid, &dev_info);
 153         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 154                 local_port_conf.txmode.offloads |=
 155                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 156         retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
 157         if (retval != 0)
 158                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 159                                 portid, retval);
 160
 161         retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
 162         if (retval != 0)
 163                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 164                                 "failed (res=%d)\n", portid, retval);
 165
 166         /* RX setup */
 167         rxq_conf = dev_info.default_rxconf;
 168         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 169         retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
 170                                         rte_eth_dev_socket_id(portid),
 171                                         &rxq_conf,
 172                                         mbuf_pool);
 173         if (retval < 0)
 174                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 175                                 portid, retval);
 176
 177         /* TX setup */
 178         txq_conf = dev_info.default_txconf;
 179         txq_conf.offloads = local_port_conf.txmode.offloads;
 180         retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
 181                                 rte_eth_dev_socket_id(portid), &txq_conf);
 182
 183         if (retval < 0)
 184                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 185                                 portid, retval);
 186
 187         retval  = rte_eth_dev_start(portid);
 188         if (retval < 0)
 189                 rte_exit(retval,
 190                                 "Start port %d failed (res=%d)",
 191                                 portid, retval);
 192
 193         struct ether_addr addr;
 194
 195         rte_eth_macaddr_get(portid, &addr);
 196         printf("Port %u MAC: ", portid);
 197         PRINT_MAC(addr);
 198         printf("\n");
 199 }
 200
 201 static void
 202 bond_port_init(struct rte_mempool *mbuf_pool)
 203 {
 204         int retval;
 205         uint8_t i;
 206         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 207         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 208         struct rte_eth_dev_info dev_info;
 209         struct rte_eth_rxconf rxq_conf;
 210         struct rte_eth_txconf txq_conf;
 211         struct rte_eth_conf local_port_conf = port_conf;
 212
 213         retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
 214                         0 /*SOCKET_ID_ANY*/);
 215         if (retval < 0)
 216                 rte_exit(EXIT_FAILURE,
 217                                 "Faled to create bond port\n");
 218
 219         BOND_PORT = retval;
 220
 221         rte_eth_dev_info_get(BOND_PORT, &dev_info);
 222         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 223                 local_port_conf.txmode.offloads |=
 224                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 225         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
 226         if (retval != 0)
 227                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 228                                 BOND_PORT, retval);
 229
 230         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 231         if (retval != 0)
 232                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 233                                 "failed (res=%d)\n", BOND_PORT, retval);
 234
 235         /* RX setup */
 236         rxq_conf = dev_info.default_rxconf;
 237         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 238         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 239                                         rte_eth_dev_socket_id(BOND_PORT),
 240                                         &rxq_conf, mbuf_pool);
 241         if (retval < 0)
 242                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 243                                 BOND_PORT, retval);
 244
 245         /* TX setup */
 246         txq_conf = dev_info.default_txconf;
 247         txq_conf.offloads = local_port_conf.txmode.offloads;
 248         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 249                                 rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
 250
 251         if (retval < 0)
 252                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 253                                 BOND_PORT, retval);
 254
 255         for (i = 0; i < slaves_count; i++) {
 256                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 257                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 258                                         slaves[i], BOND_PORT);
 259
 260         }
 261
 262         retval  = rte_eth_dev_start(BOND_PORT);
 263         if (retval < 0)
 264                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 265
 266         rte_eth_promiscuous_enable(BOND_PORT);
 267
 268         struct ether_addr addr;
 269
 270         rte_eth_macaddr_get(BOND_PORT, &addr);
 271         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 272                 PRINT_MAC(addr);
 273                 printf("\n");
 274 }
 275
 276 static inline size_t
 277 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 278 {
 279         size_t vlan_offset = 0;
 280
 281         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 282                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 283
 284                 vlan_offset = sizeof(struct vlan_hdr);
 285                 *proto = vlan_hdr->eth_proto;
 286
 287                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 288                         vlan_hdr = vlan_hdr + 1;
 289
 290                         *proto = vlan_hdr->eth_proto;
 291                         vlan_offset += sizeof(struct vlan_hdr);
 292                 }
 293         }
 294         return vlan_offset;
 295 }
 296
 297 struct global_flag_stru_t {
 298         int LcoreMainIsRunning;
 299         int LcoreMainCore;
 300         uint32_t port_packets[4];
 301         rte_spinlock_t lock;
 302 };
 303 struct global_flag_stru_t global_flag_stru;
 304 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 305
 306 /*
 307  * Main thread that does the work, reading from INPUT_PORT
 308  * and writing to OUTPUT_PORT
 309  */
 310 static int lcore_main(__attribute__((unused)) void *arg1)
 311 {
 312         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 313         struct ether_addr d_addr;
 314
 315         struct ether_hdr *eth_hdr;
 316         struct arp_hdr *arp_hdr;
 317         struct ipv4_hdr *ipv4_hdr;
 318         uint16_t ether_type, offset;
 319
 320         uint16_t rx_cnt;
 321         uint32_t bond_ip;
 322         int i = 0;
 323         uint8_t is_free;
 324
 325         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 326                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 327
 328         rte_spinlock_trylock(&global_flag_stru_p->lock);
 329
 330         while (global_flag_stru_p->LcoreMainIsRunning) {
 331                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 332                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 333                 is_free = 0;
 334
 335                 /* If didn't receive any packets, wait and go to next iteration */
 336                 if (rx_cnt == 0) {
 337                         rte_delay_us(50);
 338                         continue;
 339                 }
 340
 341                 /* Search incoming data for ARP packets and prepare response */
 342                 for (i = 0; i < rx_cnt; i++) {
 343                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 344                                 global_flag_stru_p->port_packets[0]++;
 345                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 346                         }
 347                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 348                         ether_type = eth_hdr->ether_type;
 349                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 350                                 printf("VLAN taged frame, offset:");
 351                         offset = get_vlan_offset(eth_hdr, &ether_type);
 352                         if (offset > 0)
 353                                 printf("%d\n", offset);
 354                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 355                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 356                                         global_flag_stru_p->port_packets[1]++;
 357                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 358                                 }
 359                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 360                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 361                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 362                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 363                                                 /* Switch src and dst data and set bonding MAC */
 364                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 365                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 366                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 367                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 368                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 369                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 370                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 371                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 372                                                 is_free = 1;
 373                                         } else {
 374                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 375                                         }
 376                                 }
 377                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 378                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 379                                         global_flag_stru_p->port_packets[2]++;
 380                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 381                                  }
 382                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 383                                 if (ipv4_hdr->dst_addr == bond_ip) {
 384                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 385                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 386                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 387                                         ipv4_hdr->src_addr = bond_ip;
 388                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 389                                 }
 390
 391                         }
 392
 393                         /* Free processed packets */
 394                         if (is_free == 0)
 395                                 rte_pktmbuf_free(pkts[i]);
 396                 }
 397                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 398         }
 399         rte_spinlock_unlock(&global_flag_stru_p->lock);
 400         printf("BYE lcore_main\n");
 401         return 0;
 402 }
 403
 404 struct cmd_obj_send_result {
 405         cmdline_fixed_string_t action;
 406         cmdline_ipaddr_t ip;
 407 };
 408 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 409 {
 410         snprintf(buf, size, NIPQUAD_FMT,
 411                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 412                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 413                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 414                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 415                 );
 416 }
 417 static void cmd_obj_send_parsed(void *parsed_result,
 418                 __attribute__((unused)) struct cmdline *cl,
 419                                __attribute__((unused)) void *data)
 420 {
 421
 422         struct cmd_obj_send_result *res = parsed_result;
 423         char ip_str[INET6_ADDRSTRLEN];
 424
 425         struct rte_mbuf *created_pkt;
 426         struct ether_hdr *eth_hdr;
 427         struct arp_hdr *arp_hdr;
 428
 429         uint32_t bond_ip;
 430         size_t pkt_size;
 431
 432         if (res->ip.family == AF_INET)
 433                 get_string(res, ip_str, INET_ADDRSTRLEN);
 434         else
 435                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 436
 437         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 438                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 439
 440         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 441         if (created_pkt == NULL) {
 442                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 443                 return;
 444         }
 445
 446         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 447         created_pkt->data_len = pkt_size;
 448         created_pkt->pkt_len = pkt_size;
 449
 450         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 451         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 452         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 453         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 454
 455         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 456         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 457         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 458         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 459         arp_hdr->arp_pln = sizeof(uint32_t);
 460         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 461
 462         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 463         arp_hdr->arp_data.arp_sip = bond_ip;
 464         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 465         arp_hdr->arp_data.arp_tip =
 466                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 467                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 468                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 469                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 470         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 471
 472         rte_delay_ms(100);
 473         cmdline_printf(cl, "\n");
 474 }
 475
 476 cmdline_parse_token_string_t cmd_obj_action_send =
 477         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 478 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 479         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 480
 481 cmdline_parse_inst_t cmd_obj_send = {
 482         .f = cmd_obj_send_parsed,  /* function to call */
 483         .data = NULL,      /* 2nd arg of func */
 484         .help_str = "send client_ip",
 485         .tokens = {        /* token list, NULL terminated */
 486                 (void *)&cmd_obj_action_send,
 487                 (void *)&cmd_obj_ip,
 488                 NULL,
 489         },
 490 };
 491
 492 struct cmd_start_result {
 493         cmdline_fixed_string_t start;
 494 };
 495
 496 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 497                                struct cmdline *cl,
 498                                __attribute__((unused)) void *data)
 499 {
 500         int slave_core_id = rte_lcore_id();
 501
 502         rte_spinlock_trylock(&global_flag_stru_p->lock);
 503         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 504                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 505                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 506                         return;
 507                 }
 508                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 509         } else {
 510                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 511                                 global_flag_stru_p->LcoreMainCore);
 512                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 513                 return;
 514         }
 515
 516         /* start lcore main on core != master_core - ARP response thread */
 517         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 518         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 519                 return;
 520
 521         rte_spinlock_trylock(&global_flag_stru_p->lock);
 522         global_flag_stru_p->LcoreMainIsRunning = 1;
 523         rte_spinlock_unlock(&global_flag_stru_p->lock);
 524         cmdline_printf(cl,
 525                         "Starting lcore_main on core %d:%d "
 526                         "Our IP:%d.%d.%d.%d\n",
 527                         slave_core_id,
 528                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 529                         BOND_IP_1,
 530                         BOND_IP_2,
 531                         BOND_IP_3,
 532                         BOND_IP_4
 533                 );
 534 }
 535
 536 cmdline_parse_token_string_t cmd_start_start =
 537         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 538
 539 cmdline_parse_inst_t cmd_start = {
 540         .f = cmd_start_parsed,  /* function to call */
 541         .data = NULL,      /* 2nd arg of func */
 542         .help_str = "starts listening if not started at startup",
 543         .tokens = {        /* token list, NULL terminated */
 544                 (void *)&cmd_start_start,
 545                 NULL,
 546         },
 547 };
 548
 549 struct cmd_help_result {
 550         cmdline_fixed_string_t help;
 551 };
 552
 553 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 554                             struct cmdline *cl,
 555                             __attribute__((unused)) void *data)
 556 {
 557         cmdline_printf(cl,
 558                         "ALB - link bonding mode 6 example\n"
 559                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 560                         "start          - starts listening ARPs.\n"
 561                         "stop           - stops lcore_main.\n"
 562                         "show           - shows some bond info: ex. active slaves etc.\n"
 563                         "help           - prints help.\n"
 564                         "quit           - terminate all threads and quit.\n"
 565                        );
 566 }
 567
 568 cmdline_parse_token_string_t cmd_help_help =
 569         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 570
 571 cmdline_parse_inst_t cmd_help = {
 572         .f = cmd_help_parsed,  /* function to call */
 573         .data = NULL,      /* 2nd arg of func */
 574         .help_str = "show help",
 575         .tokens = {        /* token list, NULL terminated */
 576                 (void *)&cmd_help_help,
 577                 NULL,
 578         },
 579 };
 580
 581 struct cmd_stop_result {
 582         cmdline_fixed_string_t stop;
 583 };
 584
 585 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 586                             struct cmdline *cl,
 587                             __attribute__((unused)) void *data)
 588 {
 589         rte_spinlock_trylock(&global_flag_stru_p->lock);
 590         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 591                 cmdline_printf(cl,
 592                                         "lcore_main not running on core:%d\n",
 593                                         global_flag_stru_p->LcoreMainCore);
 594                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 595                 return;
 596         }
 597         global_flag_stru_p->LcoreMainIsRunning = 0;
 598         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 599                 cmdline_printf(cl,
 600                                 "error: lcore_main can not stop on core:%d\n",
 601                                 global_flag_stru_p->LcoreMainCore);
 602         else
 603                 cmdline_printf(cl,
 604                                 "lcore_main stopped on core:%d\n",
 605                                 global_flag_stru_p->LcoreMainCore);
 606         rte_spinlock_unlock(&global_flag_stru_p->lock);
 607 }
 608
 609 cmdline_parse_token_string_t cmd_stop_stop =
 610         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 611
 612 cmdline_parse_inst_t cmd_stop = {
 613         .f = cmd_stop_parsed,  /* function to call */
 614         .data = NULL,      /* 2nd arg of func */
 615         .help_str = "this command do not handle any arguments",
 616         .tokens = {        /* token list, NULL terminated */
 617                 (void *)&cmd_stop_stop,
 618                 NULL,
 619         },
 620 };
 621
 622 struct cmd_quit_result {
 623         cmdline_fixed_string_t quit;
 624 };
 625
 626 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 627                             struct cmdline *cl,
 628                             __attribute__((unused)) void *data)
 629 {
 630         rte_spinlock_trylock(&global_flag_stru_p->lock);
 631         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 632                 cmdline_printf(cl,
 633                                         "lcore_main not running on core:%d\n",
 634                                         global_flag_stru_p->LcoreMainCore);
 635                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 636                 cmdline_quit(cl);
 637                 return;
 638         }
 639         global_flag_stru_p->LcoreMainIsRunning = 0;
 640         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 641                 cmdline_printf(cl,
 642                                 "error: lcore_main can not stop on core:%d\n",
 643                                 global_flag_stru_p->LcoreMainCore);
 644         else
 645                 cmdline_printf(cl,
 646                                 "lcore_main stopped on core:%d\n",
 647                                 global_flag_stru_p->LcoreMainCore);
 648         rte_spinlock_unlock(&global_flag_stru_p->lock);
 649         cmdline_quit(cl);
 650 }
 651
 652 cmdline_parse_token_string_t cmd_quit_quit =
 653         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 654
 655 cmdline_parse_inst_t cmd_quit = {
 656         .f = cmd_quit_parsed,  /* function to call */
 657         .data = NULL,      /* 2nd arg of func */
 658         .help_str = "this command do not handle any arguments",
 659         .tokens = {        /* token list, NULL terminated */
 660                 (void *)&cmd_quit_quit,
 661                 NULL,
 662         },
 663 };
 664
 665 struct cmd_show_result {
 666         cmdline_fixed_string_t show;
 667 };
 668
 669 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 670                             struct cmdline *cl,
 671                             __attribute__((unused)) void *data)
 672 {
 673         uint16_t slaves[16] = {0};
 674         uint8_t len = 16;
 675         struct ether_addr addr;
 676         uint16_t i = 0;
 677
 678         while (i < slaves_count)        {
 679                 rte_eth_macaddr_get(i, &addr);
 680                 PRINT_MAC(addr);
 681                 printf("\n");
 682                 i++;
 683         }
 684
 685         rte_spinlock_trylock(&global_flag_stru_p->lock);
 686         cmdline_printf(cl,
 687                         "Active_slaves:%d "
 688                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 689                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 690                         global_flag_stru_p->port_packets[0],
 691                         global_flag_stru_p->port_packets[1],
 692                         global_flag_stru_p->port_packets[2]);
 693         rte_spinlock_unlock(&global_flag_stru_p->lock);
 694 }
 695
 696 cmdline_parse_token_string_t cmd_show_show =
 697         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 698
 699 cmdline_parse_inst_t cmd_show = {
 700         .f = cmd_show_parsed,  /* function to call */
 701         .data = NULL,      /* 2nd arg of func */
 702         .help_str = "this command do not handle any arguments",
 703         .tokens = {        /* token list, NULL terminated */
 704                 (void *)&cmd_show_show,
 705                 NULL,
 706         },
 707 };
 708
 709 /****** CONTEXT (list of instruction) */
 710
 711 cmdline_parse_ctx_t main_ctx[] = {
 712         (cmdline_parse_inst_t *)&cmd_start,
 713         (cmdline_parse_inst_t *)&cmd_obj_send,
 714         (cmdline_parse_inst_t *)&cmd_stop,
 715         (cmdline_parse_inst_t *)&cmd_show,
 716         (cmdline_parse_inst_t *)&cmd_quit,
 717         (cmdline_parse_inst_t *)&cmd_help,
 718         NULL,
 719 };
 720
 721 /* prompt function, called from main on MASTER lcore */
 722 static void prompt(__attribute__((unused)) void *arg1)
 723 {
 724         struct cmdline *cl;
 725
 726         cl = cmdline_stdin_new(main_ctx, "bond6>");
 727         if (cl != NULL) {
 728                 cmdline_interact(cl);
 729                 cmdline_stdin_exit(cl);
 730         }
 731 }
 732
 733 /* Main function, does initialisation and calls the per-lcore functions */
 734 int
 735 main(int argc, char *argv[])
 736 {
 737         int ret;
 738         uint16_t nb_ports, i;
 739
 740         /* init EAL */
 741         ret = rte_eal_init(argc, argv);
 742         rte_devargs_dump(stdout);
 743         if (ret < 0)
 744                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 745         argc -= ret;
 746         argv += ret;
 747
 748         nb_ports = rte_eth_dev_count_avail();
 749         if (nb_ports == 0)
 750                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 751         else if (nb_ports > MAX_PORTS)
 752                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 753
 754         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 755                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 756         if (mbuf_pool == NULL)
 757                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 758
 759         /* initialize all ports */
 760         slaves_count = nb_ports;
 761         RTE_ETH_FOREACH_DEV(i) {
 762                 slave_port_init(i, mbuf_pool);
 763                 slaves[i] = i;
 764         }
 765
 766         bond_port_init(mbuf_pool);
 767
 768         rte_spinlock_init(&global_flag_stru_p->lock);
 769         int slave_core_id = rte_lcore_id();
 770
 771         /* check state of lcores */
 772         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 773         if (lcore_config[slave_core_id].state != WAIT)
 774                 return -EBUSY;
 775         }
 776         /* start lcore main on core != master_core - ARP response thread */
 777         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 778         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 779                 return -EPERM;
 780
 781         global_flag_stru_p->LcoreMainIsRunning = 1;
 782         global_flag_stru_p->LcoreMainCore = slave_core_id;
 783         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 784                         slave_core_id,
 785                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 786                                         NULL,
 787                                         slave_core_id),
 788                         BOND_IP_1,
 789                         BOND_IP_2,
 790                         BOND_IP_3,
 791                         BOND_IP_4
 792                 );
 793
 794         /* Start prompt for user interact */
 795         prompt(NULL);
 796
 797         rte_delay_ms(100);
 798         return 0;
 799 }