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         },
 126         .rx_adv_conf = {
 127                 .rss_conf = {
 128                         .rss_key = NULL,
 129                         .rss_hf = ETH_RSS_IP,
 130                 },
 131         },
 132         .txmode = {
 133                 .mq_mode = ETH_MQ_TX_NONE,
 134         },
 135 };
 136
 137 static void
 138 slave_port_init(uint16_t portid, struct rte_mempool *mbuf_pool)
 139 {
 140         int retval;
 141         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 142         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 143         struct rte_eth_dev_info dev_info;
 144         struct rte_eth_rxconf rxq_conf;
 145         struct rte_eth_txconf txq_conf;
 146         struct rte_eth_conf local_port_conf = port_conf;
 147
 148         if (!rte_eth_dev_is_valid_port(portid))
 149                 rte_exit(EXIT_FAILURE, "Invalid port\n");
 150
 151         rte_eth_dev_info_get(portid, &dev_info);
 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 ether_addr addr;
 205
 206         rte_eth_macaddr_get(portid, &addr);
 207         printf("Port %u MAC: ", portid);
 208         PRINT_MAC(addr);
 209         printf("\n");
 210 }
 211
 212 static void
 213 bond_port_init(struct rte_mempool *mbuf_pool)
 214 {
 215         int retval;
 216         uint8_t i;
 217         uint16_t nb_rxd = RTE_RX_DESC_DEFAULT;
 218         uint16_t nb_txd = RTE_TX_DESC_DEFAULT;
 219         struct rte_eth_dev_info dev_info;
 220         struct rte_eth_rxconf rxq_conf;
 221         struct rte_eth_txconf txq_conf;
 222         struct rte_eth_conf local_port_conf = port_conf;
 223         uint16_t wait_counter = 20;
 224
 225         retval = rte_eth_bond_create("net_bonding0", BONDING_MODE_ALB,
 226                         0 /*SOCKET_ID_ANY*/);
 227         if (retval < 0)
 228                 rte_exit(EXIT_FAILURE,
 229                                 "Faled to create bond port\n");
 230
 231         BOND_PORT = retval;
 232
 233         rte_eth_dev_info_get(BOND_PORT, &dev_info);
 234         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 235                 local_port_conf.txmode.offloads |=
 236                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 237         retval = rte_eth_dev_configure(BOND_PORT, 1, 1, &local_port_conf);
 238         if (retval != 0)
 239                 rte_exit(EXIT_FAILURE, "port %u: configuration failed (res=%d)\n",
 240                                 BOND_PORT, retval);
 241
 242         retval = rte_eth_dev_adjust_nb_rx_tx_desc(BOND_PORT, &nb_rxd, &nb_txd);
 243         if (retval != 0)
 244                 rte_exit(EXIT_FAILURE, "port %u: rte_eth_dev_adjust_nb_rx_tx_desc "
 245                                 "failed (res=%d)\n", BOND_PORT, retval);
 246
 247         for (i = 0; i < slaves_count; i++) {
 248                 if (rte_eth_bond_slave_add(BOND_PORT, slaves[i]) == -1)
 249                         rte_exit(-1, "Oooops! adding slave (%u) to bond (%u) failed!\n",
 250                                         slaves[i], BOND_PORT);
 251
 252         }
 253
 254         /* RX setup */
 255         rxq_conf = dev_info.default_rxconf;
 256         rxq_conf.offloads = local_port_conf.rxmode.offloads;
 257         retval = rte_eth_rx_queue_setup(BOND_PORT, 0, nb_rxd,
 258                                         rte_eth_dev_socket_id(BOND_PORT),
 259                                         &rxq_conf, mbuf_pool);
 260         if (retval < 0)
 261                 rte_exit(retval, " port %u: RX queue 0 setup failed (res=%d)",
 262                                 BOND_PORT, retval);
 263
 264         /* TX setup */
 265         txq_conf = dev_info.default_txconf;
 266         txq_conf.offloads = local_port_conf.txmode.offloads;
 267         retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
 268                                 rte_eth_dev_socket_id(BOND_PORT), &txq_conf);
 269
 270         if (retval < 0)
 271                 rte_exit(retval, "port %u: TX queue 0 setup failed (res=%d)",
 272                                 BOND_PORT, retval);
 273
 274         retval  = rte_eth_dev_start(BOND_PORT);
 275         if (retval < 0)
 276                 rte_exit(retval, "Start port %d failed (res=%d)", BOND_PORT, retval);
 277
 278         printf("Waiting for slaves to become active...");
 279         while (wait_counter) {
 280                 uint16_t act_slaves[16] = {0};
 281                 if (rte_eth_bond_active_slaves_get(BOND_PORT, act_slaves, 16) ==
 282                                 slaves_count) {
 283                         printf("\n");
 284                         break;
 285                 }
 286                 sleep(1);
 287                 printf("...");
 288                 if (--wait_counter == 0)
 289                         rte_exit(-1, "\nFailed to activate slaves\n");
 290         }
 291
 292         rte_eth_promiscuous_enable(BOND_PORT);
 293
 294         struct ether_addr addr;
 295
 296         rte_eth_macaddr_get(BOND_PORT, &addr);
 297         printf("Port %u MAC: ", (unsigned)BOND_PORT);
 298                 PRINT_MAC(addr);
 299                 printf("\n");
 300 }
 301
 302 static inline size_t
 303 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
 304 {
 305         size_t vlan_offset = 0;
 306
 307         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 308                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
 309
 310                 vlan_offset = sizeof(struct vlan_hdr);
 311                 *proto = vlan_hdr->eth_proto;
 312
 313                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
 314                         vlan_hdr = vlan_hdr + 1;
 315
 316                         *proto = vlan_hdr->eth_proto;
 317                         vlan_offset += sizeof(struct vlan_hdr);
 318                 }
 319         }
 320         return vlan_offset;
 321 }
 322
 323 struct global_flag_stru_t {
 324         int LcoreMainIsRunning;
 325         int LcoreMainCore;
 326         uint32_t port_packets[4];
 327         rte_spinlock_t lock;
 328 };
 329 struct global_flag_stru_t global_flag_stru;
 330 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 331
 332 /*
 333  * Main thread that does the work, reading from INPUT_PORT
 334  * and writing to OUTPUT_PORT
 335  */
 336 static int lcore_main(__attribute__((unused)) void *arg1)
 337 {
 338         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 339         struct ether_addr d_addr;
 340
 341         struct ether_hdr *eth_hdr;
 342         struct arp_hdr *arp_hdr;
 343         struct ipv4_hdr *ipv4_hdr;
 344         uint16_t ether_type, offset;
 345
 346         uint16_t rx_cnt;
 347         uint32_t bond_ip;
 348         int i = 0;
 349         uint8_t is_free;
 350
 351         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 352                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 353
 354         rte_spinlock_trylock(&global_flag_stru_p->lock);
 355
 356         while (global_flag_stru_p->LcoreMainIsRunning) {
 357                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 358                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 359                 is_free = 0;
 360
 361                 /* If didn't receive any packets, wait and go to next iteration */
 362                 if (rx_cnt == 0) {
 363                         rte_delay_us(50);
 364                         continue;
 365                 }
 366
 367                 /* Search incoming data for ARP packets and prepare response */
 368                 for (i = 0; i < rx_cnt; i++) {
 369                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 370                                 global_flag_stru_p->port_packets[0]++;
 371                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 372                         }
 373                         eth_hdr = rte_pktmbuf_mtod(pkts[i], struct ether_hdr *);
 374                         ether_type = eth_hdr->ether_type;
 375                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN))
 376                                 printf("VLAN taged frame, offset:");
 377                         offset = get_vlan_offset(eth_hdr, &ether_type);
 378                         if (offset > 0)
 379                                 printf("%d\n", offset);
 380                         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 381                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 382                                         global_flag_stru_p->port_packets[1]++;
 383                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 384                                 }
 385                                 arp_hdr = (struct arp_hdr *)((char *)(eth_hdr + 1) + offset);
 386                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 387                                         if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
 388                                                 arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
 389                                                 /* Switch src and dst data and set bonding MAC */
 390                                                 ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 391                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 392                                                 ether_addr_copy(&arp_hdr->arp_data.arp_sha, &arp_hdr->arp_data.arp_tha);
 393                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 394                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 395                                                 ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 396                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 397                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 398                                                 is_free = 1;
 399                                         } else {
 400                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 401                                         }
 402                                 }
 403                         } else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 404                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 405                                         global_flag_stru_p->port_packets[2]++;
 406                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 407                                  }
 408                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 409                                 if (ipv4_hdr->dst_addr == bond_ip) {
 410                                         ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 411                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 412                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 413                                         ipv4_hdr->src_addr = bond_ip;
 414                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 415                                 }
 416
 417                         }
 418
 419                         /* Free processed packets */
 420                         if (is_free == 0)
 421                                 rte_pktmbuf_free(pkts[i]);
 422                 }
 423                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 424         }
 425         rte_spinlock_unlock(&global_flag_stru_p->lock);
 426         printf("BYE lcore_main\n");
 427         return 0;
 428 }
 429
 430 struct cmd_obj_send_result {
 431         cmdline_fixed_string_t action;
 432         cmdline_ipaddr_t ip;
 433 };
 434 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 435 {
 436         snprintf(buf, size, NIPQUAD_FMT,
 437                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 438                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 439                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 440                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 441                 );
 442 }
 443 static void cmd_obj_send_parsed(void *parsed_result,
 444                 __attribute__((unused)) struct cmdline *cl,
 445                                __attribute__((unused)) void *data)
 446 {
 447
 448         struct cmd_obj_send_result *res = parsed_result;
 449         char ip_str[INET6_ADDRSTRLEN];
 450
 451         struct rte_mbuf *created_pkt;
 452         struct ether_hdr *eth_hdr;
 453         struct arp_hdr *arp_hdr;
 454
 455         uint32_t bond_ip;
 456         size_t pkt_size;
 457
 458         if (res->ip.family == AF_INET)
 459                 get_string(res, ip_str, INET_ADDRSTRLEN);
 460         else
 461                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 462
 463         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 464                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 465
 466         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 467         if (created_pkt == NULL) {
 468                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 469                 return;
 470         }
 471
 472         pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr);
 473         created_pkt->data_len = pkt_size;
 474         created_pkt->pkt_len = pkt_size;
 475
 476         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
 477         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 478         memset(&eth_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
 479         eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
 480
 481         arp_hdr = (struct arp_hdr *)((char *)eth_hdr + sizeof(struct ether_hdr));
 482         arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
 483         arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 484         arp_hdr->arp_hln = ETHER_ADDR_LEN;
 485         arp_hdr->arp_pln = sizeof(uint32_t);
 486         arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
 487
 488         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 489         arp_hdr->arp_data.arp_sip = bond_ip;
 490         memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
 491         arp_hdr->arp_data.arp_tip =
 492                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 493                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 494                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 495                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 496         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 497
 498         rte_delay_ms(100);
 499         cmdline_printf(cl, "\n");
 500 }
 501
 502 cmdline_parse_token_string_t cmd_obj_action_send =
 503         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 504 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 505         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 506
 507 cmdline_parse_inst_t cmd_obj_send = {
 508         .f = cmd_obj_send_parsed,  /* function to call */
 509         .data = NULL,      /* 2nd arg of func */
 510         .help_str = "send client_ip",
 511         .tokens = {        /* token list, NULL terminated */
 512                 (void *)&cmd_obj_action_send,
 513                 (void *)&cmd_obj_ip,
 514                 NULL,
 515         },
 516 };
 517
 518 struct cmd_start_result {
 519         cmdline_fixed_string_t start;
 520 };
 521
 522 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 523                                struct cmdline *cl,
 524                                __attribute__((unused)) void *data)
 525 {
 526         int slave_core_id = rte_lcore_id();
 527
 528         rte_spinlock_trylock(&global_flag_stru_p->lock);
 529         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 530                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 531                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 532                         return;
 533                 }
 534                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 535         } else {
 536                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 537                                 global_flag_stru_p->LcoreMainCore);
 538                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 539                 return;
 540         }
 541
 542         /* start lcore main on core != master_core - ARP response thread */
 543         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 544         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 545                 return;
 546
 547         rte_spinlock_trylock(&global_flag_stru_p->lock);
 548         global_flag_stru_p->LcoreMainIsRunning = 1;
 549         rte_spinlock_unlock(&global_flag_stru_p->lock);
 550         cmdline_printf(cl,
 551                         "Starting lcore_main on core %d:%d "
 552                         "Our IP:%d.%d.%d.%d\n",
 553                         slave_core_id,
 554                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 555                         BOND_IP_1,
 556                         BOND_IP_2,
 557                         BOND_IP_3,
 558                         BOND_IP_4
 559                 );
 560 }
 561
 562 cmdline_parse_token_string_t cmd_start_start =
 563         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 564
 565 cmdline_parse_inst_t cmd_start = {
 566         .f = cmd_start_parsed,  /* function to call */
 567         .data = NULL,      /* 2nd arg of func */
 568         .help_str = "starts listening if not started at startup",
 569         .tokens = {        /* token list, NULL terminated */
 570                 (void *)&cmd_start_start,
 571                 NULL,
 572         },
 573 };
 574
 575 struct cmd_help_result {
 576         cmdline_fixed_string_t help;
 577 };
 578
 579 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 580                             struct cmdline *cl,
 581                             __attribute__((unused)) void *data)
 582 {
 583         cmdline_printf(cl,
 584                         "ALB - link bonding mode 6 example\n"
 585                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 586                         "start          - starts listening ARPs.\n"
 587                         "stop           - stops lcore_main.\n"
 588                         "show           - shows some bond info: ex. active slaves etc.\n"
 589                         "help           - prints help.\n"
 590                         "quit           - terminate all threads and quit.\n"
 591                        );
 592 }
 593
 594 cmdline_parse_token_string_t cmd_help_help =
 595         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 596
 597 cmdline_parse_inst_t cmd_help = {
 598         .f = cmd_help_parsed,  /* function to call */
 599         .data = NULL,      /* 2nd arg of func */
 600         .help_str = "show help",
 601         .tokens = {        /* token list, NULL terminated */
 602                 (void *)&cmd_help_help,
 603                 NULL,
 604         },
 605 };
 606
 607 struct cmd_stop_result {
 608         cmdline_fixed_string_t stop;
 609 };
 610
 611 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 612                             struct cmdline *cl,
 613                             __attribute__((unused)) void *data)
 614 {
 615         rte_spinlock_trylock(&global_flag_stru_p->lock);
 616         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 617                 cmdline_printf(cl,
 618                                         "lcore_main not running on core:%d\n",
 619                                         global_flag_stru_p->LcoreMainCore);
 620                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 621                 return;
 622         }
 623         global_flag_stru_p->LcoreMainIsRunning = 0;
 624         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 625                 cmdline_printf(cl,
 626                                 "error: lcore_main can not stop on core:%d\n",
 627                                 global_flag_stru_p->LcoreMainCore);
 628         else
 629                 cmdline_printf(cl,
 630                                 "lcore_main stopped on core:%d\n",
 631                                 global_flag_stru_p->LcoreMainCore);
 632         rte_spinlock_unlock(&global_flag_stru_p->lock);
 633 }
 634
 635 cmdline_parse_token_string_t cmd_stop_stop =
 636         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 637
 638 cmdline_parse_inst_t cmd_stop = {
 639         .f = cmd_stop_parsed,  /* function to call */
 640         .data = NULL,      /* 2nd arg of func */
 641         .help_str = "this command do not handle any arguments",
 642         .tokens = {        /* token list, NULL terminated */
 643                 (void *)&cmd_stop_stop,
 644                 NULL,
 645         },
 646 };
 647
 648 struct cmd_quit_result {
 649         cmdline_fixed_string_t quit;
 650 };
 651
 652 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 653                             struct cmdline *cl,
 654                             __attribute__((unused)) void *data)
 655 {
 656         rte_spinlock_trylock(&global_flag_stru_p->lock);
 657         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 658                 cmdline_printf(cl,
 659                                         "lcore_main not running on core:%d\n",
 660                                         global_flag_stru_p->LcoreMainCore);
 661                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 662                 cmdline_quit(cl);
 663                 return;
 664         }
 665         global_flag_stru_p->LcoreMainIsRunning = 0;
 666         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 667                 cmdline_printf(cl,
 668                                 "error: lcore_main can not stop on core:%d\n",
 669                                 global_flag_stru_p->LcoreMainCore);
 670         else
 671                 cmdline_printf(cl,
 672                                 "lcore_main stopped on core:%d\n",
 673                                 global_flag_stru_p->LcoreMainCore);
 674         rte_spinlock_unlock(&global_flag_stru_p->lock);
 675         cmdline_quit(cl);
 676 }
 677
 678 cmdline_parse_token_string_t cmd_quit_quit =
 679         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 680
 681 cmdline_parse_inst_t cmd_quit = {
 682         .f = cmd_quit_parsed,  /* function to call */
 683         .data = NULL,      /* 2nd arg of func */
 684         .help_str = "this command do not handle any arguments",
 685         .tokens = {        /* token list, NULL terminated */
 686                 (void *)&cmd_quit_quit,
 687                 NULL,
 688         },
 689 };
 690
 691 struct cmd_show_result {
 692         cmdline_fixed_string_t show;
 693 };
 694
 695 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 696                             struct cmdline *cl,
 697                             __attribute__((unused)) void *data)
 698 {
 699         uint16_t slaves[16] = {0};
 700         uint8_t len = 16;
 701         struct ether_addr addr;
 702         uint16_t i = 0;
 703
 704         while (i < slaves_count)        {
 705                 rte_eth_macaddr_get(i, &addr);
 706                 PRINT_MAC(addr);
 707                 printf("\n");
 708                 i++;
 709         }
 710
 711         rte_spinlock_trylock(&global_flag_stru_p->lock);
 712         cmdline_printf(cl,
 713                         "Active_slaves:%d "
 714                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 715                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 716                         global_flag_stru_p->port_packets[0],
 717                         global_flag_stru_p->port_packets[1],
 718                         global_flag_stru_p->port_packets[2]);
 719         rte_spinlock_unlock(&global_flag_stru_p->lock);
 720 }
 721
 722 cmdline_parse_token_string_t cmd_show_show =
 723         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 724
 725 cmdline_parse_inst_t cmd_show = {
 726         .f = cmd_show_parsed,  /* function to call */
 727         .data = NULL,      /* 2nd arg of func */
 728         .help_str = "this command do not handle any arguments",
 729         .tokens = {        /* token list, NULL terminated */
 730                 (void *)&cmd_show_show,
 731                 NULL,
 732         },
 733 };
 734
 735 /****** CONTEXT (list of instruction) */
 736
 737 cmdline_parse_ctx_t main_ctx[] = {
 738         (cmdline_parse_inst_t *)&cmd_start,
 739         (cmdline_parse_inst_t *)&cmd_obj_send,
 740         (cmdline_parse_inst_t *)&cmd_stop,
 741         (cmdline_parse_inst_t *)&cmd_show,
 742         (cmdline_parse_inst_t *)&cmd_quit,
 743         (cmdline_parse_inst_t *)&cmd_help,
 744         NULL,
 745 };
 746
 747 /* prompt function, called from main on MASTER lcore */
 748 static void prompt(__attribute__((unused)) void *arg1)
 749 {
 750         struct cmdline *cl;
 751
 752         cl = cmdline_stdin_new(main_ctx, "bond6>");
 753         if (cl != NULL) {
 754                 cmdline_interact(cl);
 755                 cmdline_stdin_exit(cl);
 756         }
 757 }
 758
 759 /* Main function, does initialisation and calls the per-lcore functions */
 760 int
 761 main(int argc, char *argv[])
 762 {
 763         int ret;
 764         uint16_t nb_ports, i;
 765
 766         /* init EAL */
 767         ret = rte_eal_init(argc, argv);
 768         rte_devargs_dump(stdout);
 769         if (ret < 0)
 770                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 771         argc -= ret;
 772         argv += ret;
 773
 774         nb_ports = rte_eth_dev_count_avail();
 775         if (nb_ports == 0)
 776                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 777         else if (nb_ports > MAX_PORTS)
 778                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 779
 780         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 781                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 782         if (mbuf_pool == NULL)
 783                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 784
 785         /* initialize all ports */
 786         slaves_count = nb_ports;
 787         RTE_ETH_FOREACH_DEV(i) {
 788                 slave_port_init(i, mbuf_pool);
 789                 slaves[i] = i;
 790         }
 791
 792         bond_port_init(mbuf_pool);
 793
 794         rte_spinlock_init(&global_flag_stru_p->lock);
 795         int slave_core_id = rte_lcore_id();
 796
 797         /* check state of lcores */
 798         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 799         if (lcore_config[slave_core_id].state != WAIT)
 800                 return -EBUSY;
 801         }
 802         /* start lcore main on core != master_core - ARP response thread */
 803         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 804         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 805                 return -EPERM;
 806
 807         global_flag_stru_p->LcoreMainIsRunning = 1;
 808         global_flag_stru_p->LcoreMainCore = slave_core_id;
 809         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 810                         slave_core_id,
 811                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 812                                         NULL,
 813                                         slave_core_id),
 814                         BOND_IP_1,
 815                         BOND_IP_2,
 816                         BOND_IP_3,
 817                         BOND_IP_4
 818                 );
 819
 820         /* Start prompt for user interact */
 821         prompt(NULL);
 822
 823         rte_delay_ms(100);
 824         return 0;
 825 }