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 = RTE_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 rte_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 rte_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 rte_ether_hdr *eth_hdr, uint16_t *proto)
 304 {
 305         size_t vlan_offset = 0;
 306
 307         if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
 308                 struct rte_vlan_hdr *vlan_hdr =
 309                         (struct rte_vlan_hdr *)(eth_hdr + 1);
 310
 311                 vlan_offset = sizeof(struct rte_vlan_hdr);
 312                 *proto = vlan_hdr->eth_proto;
 313
 314                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
 315                         vlan_hdr = vlan_hdr + 1;
 316
 317                         *proto = vlan_hdr->eth_proto;
 318                         vlan_offset += sizeof(struct rte_vlan_hdr);
 319                 }
 320         }
 321         return vlan_offset;
 322 }
 323
 324 struct global_flag_stru_t {
 325         int LcoreMainIsRunning;
 326         int LcoreMainCore;
 327         uint32_t port_packets[4];
 328         rte_spinlock_t lock;
 329 };
 330 struct global_flag_stru_t global_flag_stru;
 331 struct global_flag_stru_t *global_flag_stru_p = &global_flag_stru;
 332
 333 /*
 334  * Main thread that does the work, reading from INPUT_PORT
 335  * and writing to OUTPUT_PORT
 336  */
 337 static int lcore_main(__attribute__((unused)) void *arg1)
 338 {
 339         struct rte_mbuf *pkts[MAX_PKT_BURST] __rte_cache_aligned;
 340         struct rte_ether_addr d_addr;
 341
 342         struct rte_ether_hdr *eth_hdr;
 343         struct rte_arp_hdr *arp_hdr;
 344         struct ipv4_hdr *ipv4_hdr;
 345         uint16_t ether_type, offset;
 346
 347         uint16_t rx_cnt;
 348         uint32_t bond_ip;
 349         int i = 0;
 350         uint8_t is_free;
 351
 352         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 353                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 354
 355         rte_spinlock_trylock(&global_flag_stru_p->lock);
 356
 357         while (global_flag_stru_p->LcoreMainIsRunning) {
 358                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 359                 rx_cnt = rte_eth_rx_burst(BOND_PORT, 0, pkts, MAX_PKT_BURST);
 360                 is_free = 0;
 361
 362                 /* If didn't receive any packets, wait and go to next iteration */
 363                 if (rx_cnt == 0) {
 364                         rte_delay_us(50);
 365                         continue;
 366                 }
 367
 368                 /* Search incoming data for ARP packets and prepare response */
 369                 for (i = 0; i < rx_cnt; i++) {
 370                         if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1) {
 371                                 global_flag_stru_p->port_packets[0]++;
 372                                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 373                         }
 374                         eth_hdr = rte_pktmbuf_mtod(pkts[i],
 375                                                 struct rte_ether_hdr *);
 376                         ether_type = eth_hdr->ether_type;
 377                         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN))
 378                                 printf("VLAN taged frame, offset:");
 379                         offset = get_vlan_offset(eth_hdr, &ether_type);
 380                         if (offset > 0)
 381                                 printf("%d\n", offset);
 382                         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
 383                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 384                                         global_flag_stru_p->port_packets[1]++;
 385                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 386                                 }
 387                                 arp_hdr = (struct rte_arp_hdr *)(
 388                                         (char *)(eth_hdr + 1) + offset);
 389                                 if (arp_hdr->arp_data.arp_tip == bond_ip) {
 390                                         if (arp_hdr->arp_opcode == rte_cpu_to_be_16(RTE_ARP_OP_REQUEST)) {
 391                                                 arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REPLY);
 392                                                 /* Switch src and dst data and set bonding MAC */
 393                                                 rte_ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 394                                                 rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 395                                                 rte_ether_addr_copy(&arp_hdr->arp_data.arp_sha,
 396                                                                 &arp_hdr->arp_data.arp_tha);
 397                                                 arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
 398                                                 rte_eth_macaddr_get(BOND_PORT, &d_addr);
 399                                                 rte_ether_addr_copy(&d_addr, &arp_hdr->arp_data.arp_sha);
 400                                                 arp_hdr->arp_data.arp_sip = bond_ip;
 401                                                 rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 402                                                 is_free = 1;
 403                                         } else {
 404                                                 rte_eth_tx_burst(BOND_PORT, 0, NULL, 0);
 405                                         }
 406                                 }
 407                         } else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4)) {
 408                                 if (rte_spinlock_trylock(&global_flag_stru_p->lock) == 1)     {
 409                                         global_flag_stru_p->port_packets[2]++;
 410                                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 411                                  }
 412                                 ipv4_hdr = (struct ipv4_hdr *)((char *)(eth_hdr + 1) + offset);
 413                                 if (ipv4_hdr->dst_addr == bond_ip) {
 414                                         rte_ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
 415                                         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 416                                         ipv4_hdr->dst_addr = ipv4_hdr->src_addr;
 417                                         ipv4_hdr->src_addr = bond_ip;
 418                                         rte_eth_tx_burst(BOND_PORT, 0, &pkts[i], 1);
 419                                 }
 420
 421                         }
 422
 423                         /* Free processed packets */
 424                         if (is_free == 0)
 425                                 rte_pktmbuf_free(pkts[i]);
 426                 }
 427                 rte_spinlock_trylock(&global_flag_stru_p->lock);
 428         }
 429         rte_spinlock_unlock(&global_flag_stru_p->lock);
 430         printf("BYE lcore_main\n");
 431         return 0;
 432 }
 433
 434 struct cmd_obj_send_result {
 435         cmdline_fixed_string_t action;
 436         cmdline_ipaddr_t ip;
 437 };
 438 static inline void get_string(struct cmd_obj_send_result *res, char *buf, uint8_t size)
 439 {
 440         snprintf(buf, size, NIPQUAD_FMT,
 441                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[0]),
 442                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[1]),
 443                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[2]),
 444                 ((unsigned)((unsigned char *)&(res->ip.addr.ipv4))[3])
 445                 );
 446 }
 447 static void cmd_obj_send_parsed(void *parsed_result,
 448                 __attribute__((unused)) struct cmdline *cl,
 449                                __attribute__((unused)) void *data)
 450 {
 451
 452         struct cmd_obj_send_result *res = parsed_result;
 453         char ip_str[INET6_ADDRSTRLEN];
 454
 455         struct rte_mbuf *created_pkt;
 456         struct rte_ether_hdr *eth_hdr;
 457         struct rte_arp_hdr *arp_hdr;
 458
 459         uint32_t bond_ip;
 460         size_t pkt_size;
 461
 462         if (res->ip.family == AF_INET)
 463                 get_string(res, ip_str, INET_ADDRSTRLEN);
 464         else
 465                 cmdline_printf(cl, "Wrong IP format. Only IPv4 is supported\n");
 466
 467         bond_ip = BOND_IP_1 | (BOND_IP_2 << 8) |
 468                                 (BOND_IP_3 << 16) | (BOND_IP_4 << 24);
 469
 470         created_pkt = rte_pktmbuf_alloc(mbuf_pool);
 471         if (created_pkt == NULL) {
 472                 cmdline_printf(cl, "Failed to allocate mbuf\n");
 473                 return;
 474         }
 475
 476         pkt_size = sizeof(struct rte_ether_hdr) + sizeof(struct rte_arp_hdr);
 477         created_pkt->data_len = pkt_size;
 478         created_pkt->pkt_len = pkt_size;
 479
 480         eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *);
 481         rte_eth_macaddr_get(BOND_PORT, &eth_hdr->s_addr);
 482         memset(&eth_hdr->d_addr, 0xFF, RTE_ETHER_ADDR_LEN);
 483         eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP);
 484
 485         arp_hdr = (struct rte_arp_hdr *)(
 486                 (char *)eth_hdr + sizeof(struct rte_ether_hdr));
 487         arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER);
 488         arp_hdr->arp_protocol = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4);
 489         arp_hdr->arp_hlen = RTE_ETHER_ADDR_LEN;
 490         arp_hdr->arp_plen = sizeof(uint32_t);
 491         arp_hdr->arp_opcode = rte_cpu_to_be_16(RTE_ARP_OP_REQUEST);
 492
 493         rte_eth_macaddr_get(BOND_PORT, &arp_hdr->arp_data.arp_sha);
 494         arp_hdr->arp_data.arp_sip = bond_ip;
 495         memset(&arp_hdr->arp_data.arp_tha, 0, RTE_ETHER_ADDR_LEN);
 496         arp_hdr->arp_data.arp_tip =
 497                           ((unsigned char *)&res->ip.addr.ipv4)[0]        |
 498                          (((unsigned char *)&res->ip.addr.ipv4)[1] << 8)  |
 499                          (((unsigned char *)&res->ip.addr.ipv4)[2] << 16) |
 500                          (((unsigned char *)&res->ip.addr.ipv4)[3] << 24);
 501         rte_eth_tx_burst(BOND_PORT, 0, &created_pkt, 1);
 502
 503         rte_delay_ms(100);
 504         cmdline_printf(cl, "\n");
 505 }
 506
 507 cmdline_parse_token_string_t cmd_obj_action_send =
 508         TOKEN_STRING_INITIALIZER(struct cmd_obj_send_result, action, "send");
 509 cmdline_parse_token_ipaddr_t cmd_obj_ip =
 510         TOKEN_IPV4_INITIALIZER(struct cmd_obj_send_result, ip);
 511
 512 cmdline_parse_inst_t cmd_obj_send = {
 513         .f = cmd_obj_send_parsed,  /* function to call */
 514         .data = NULL,      /* 2nd arg of func */
 515         .help_str = "send client_ip",
 516         .tokens = {        /* token list, NULL terminated */
 517                 (void *)&cmd_obj_action_send,
 518                 (void *)&cmd_obj_ip,
 519                 NULL,
 520         },
 521 };
 522
 523 struct cmd_start_result {
 524         cmdline_fixed_string_t start;
 525 };
 526
 527 static void cmd_start_parsed(__attribute__((unused)) void *parsed_result,
 528                                struct cmdline *cl,
 529                                __attribute__((unused)) void *data)
 530 {
 531         int slave_core_id = rte_lcore_id();
 532
 533         rte_spinlock_trylock(&global_flag_stru_p->lock);
 534         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 535                 if (lcore_config[global_flag_stru_p->LcoreMainCore].state != WAIT)      {
 536                         rte_spinlock_unlock(&global_flag_stru_p->lock);
 537                         return;
 538                 }
 539                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 540         } else {
 541                 cmdline_printf(cl, "lcore_main already running on core:%d\n",
 542                                 global_flag_stru_p->LcoreMainCore);
 543                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 544                 return;
 545         }
 546
 547         /* start lcore main on core != master_core - ARP response thread */
 548         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 549         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 550                 return;
 551
 552         rte_spinlock_trylock(&global_flag_stru_p->lock);
 553         global_flag_stru_p->LcoreMainIsRunning = 1;
 554         rte_spinlock_unlock(&global_flag_stru_p->lock);
 555         cmdline_printf(cl,
 556                         "Starting lcore_main on core %d:%d "
 557                         "Our IP:%d.%d.%d.%d\n",
 558                         slave_core_id,
 559                         rte_eal_remote_launch(lcore_main, NULL, slave_core_id),
 560                         BOND_IP_1,
 561                         BOND_IP_2,
 562                         BOND_IP_3,
 563                         BOND_IP_4
 564                 );
 565 }
 566
 567 cmdline_parse_token_string_t cmd_start_start =
 568         TOKEN_STRING_INITIALIZER(struct cmd_start_result, start, "start");
 569
 570 cmdline_parse_inst_t cmd_start = {
 571         .f = cmd_start_parsed,  /* function to call */
 572         .data = NULL,      /* 2nd arg of func */
 573         .help_str = "starts listening if not started at startup",
 574         .tokens = {        /* token list, NULL terminated */
 575                 (void *)&cmd_start_start,
 576                 NULL,
 577         },
 578 };
 579
 580 struct cmd_help_result {
 581         cmdline_fixed_string_t help;
 582 };
 583
 584 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
 585                             struct cmdline *cl,
 586                             __attribute__((unused)) void *data)
 587 {
 588         cmdline_printf(cl,
 589                         "ALB - link bonding mode 6 example\n"
 590                         "send IP        - sends one ARPrequest through bonding for IP.\n"
 591                         "start          - starts listening ARPs.\n"
 592                         "stop           - stops lcore_main.\n"
 593                         "show           - shows some bond info: ex. active slaves etc.\n"
 594                         "help           - prints help.\n"
 595                         "quit           - terminate all threads and quit.\n"
 596                        );
 597 }
 598
 599 cmdline_parse_token_string_t cmd_help_help =
 600         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
 601
 602 cmdline_parse_inst_t cmd_help = {
 603         .f = cmd_help_parsed,  /* function to call */
 604         .data = NULL,      /* 2nd arg of func */
 605         .help_str = "show help",
 606         .tokens = {        /* token list, NULL terminated */
 607                 (void *)&cmd_help_help,
 608                 NULL,
 609         },
 610 };
 611
 612 struct cmd_stop_result {
 613         cmdline_fixed_string_t stop;
 614 };
 615
 616 static void cmd_stop_parsed(__attribute__((unused)) void *parsed_result,
 617                             struct cmdline *cl,
 618                             __attribute__((unused)) void *data)
 619 {
 620         rte_spinlock_trylock(&global_flag_stru_p->lock);
 621         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 622                 cmdline_printf(cl,
 623                                         "lcore_main not running on core:%d\n",
 624                                         global_flag_stru_p->LcoreMainCore);
 625                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 626                 return;
 627         }
 628         global_flag_stru_p->LcoreMainIsRunning = 0;
 629         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 630                 cmdline_printf(cl,
 631                                 "error: lcore_main can not stop on core:%d\n",
 632                                 global_flag_stru_p->LcoreMainCore);
 633         else
 634                 cmdline_printf(cl,
 635                                 "lcore_main stopped on core:%d\n",
 636                                 global_flag_stru_p->LcoreMainCore);
 637         rte_spinlock_unlock(&global_flag_stru_p->lock);
 638 }
 639
 640 cmdline_parse_token_string_t cmd_stop_stop =
 641         TOKEN_STRING_INITIALIZER(struct cmd_stop_result, stop, "stop");
 642
 643 cmdline_parse_inst_t cmd_stop = {
 644         .f = cmd_stop_parsed,  /* function to call */
 645         .data = NULL,      /* 2nd arg of func */
 646         .help_str = "this command do not handle any arguments",
 647         .tokens = {        /* token list, NULL terminated */
 648                 (void *)&cmd_stop_stop,
 649                 NULL,
 650         },
 651 };
 652
 653 struct cmd_quit_result {
 654         cmdline_fixed_string_t quit;
 655 };
 656
 657 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 658                             struct cmdline *cl,
 659                             __attribute__((unused)) void *data)
 660 {
 661         rte_spinlock_trylock(&global_flag_stru_p->lock);
 662         if (global_flag_stru_p->LcoreMainIsRunning == 0)        {
 663                 cmdline_printf(cl,
 664                                         "lcore_main not running on core:%d\n",
 665                                         global_flag_stru_p->LcoreMainCore);
 666                 rte_spinlock_unlock(&global_flag_stru_p->lock);
 667                 cmdline_quit(cl);
 668                 return;
 669         }
 670         global_flag_stru_p->LcoreMainIsRunning = 0;
 671         if (rte_eal_wait_lcore(global_flag_stru_p->LcoreMainCore) < 0)
 672                 cmdline_printf(cl,
 673                                 "error: lcore_main can not stop on core:%d\n",
 674                                 global_flag_stru_p->LcoreMainCore);
 675         else
 676                 cmdline_printf(cl,
 677                                 "lcore_main stopped on core:%d\n",
 678                                 global_flag_stru_p->LcoreMainCore);
 679         rte_spinlock_unlock(&global_flag_stru_p->lock);
 680         cmdline_quit(cl);
 681 }
 682
 683 cmdline_parse_token_string_t cmd_quit_quit =
 684         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 685
 686 cmdline_parse_inst_t cmd_quit = {
 687         .f = cmd_quit_parsed,  /* function to call */
 688         .data = NULL,      /* 2nd arg of func */
 689         .help_str = "this command do not handle any arguments",
 690         .tokens = {        /* token list, NULL terminated */
 691                 (void *)&cmd_quit_quit,
 692                 NULL,
 693         },
 694 };
 695
 696 struct cmd_show_result {
 697         cmdline_fixed_string_t show;
 698 };
 699
 700 static void cmd_show_parsed(__attribute__((unused)) void *parsed_result,
 701                             struct cmdline *cl,
 702                             __attribute__((unused)) void *data)
 703 {
 704         uint16_t slaves[16] = {0};
 705         uint8_t len = 16;
 706         struct rte_ether_addr addr;
 707         uint16_t i = 0;
 708
 709         while (i < slaves_count)        {
 710                 rte_eth_macaddr_get(i, &addr);
 711                 PRINT_MAC(addr);
 712                 printf("\n");
 713                 i++;
 714         }
 715
 716         rte_spinlock_trylock(&global_flag_stru_p->lock);
 717         cmdline_printf(cl,
 718                         "Active_slaves:%d "
 719                         "packets received:Tot:%d Arp:%d IPv4:%d\n",
 720                         rte_eth_bond_active_slaves_get(BOND_PORT, slaves, len),
 721                         global_flag_stru_p->port_packets[0],
 722                         global_flag_stru_p->port_packets[1],
 723                         global_flag_stru_p->port_packets[2]);
 724         rte_spinlock_unlock(&global_flag_stru_p->lock);
 725 }
 726
 727 cmdline_parse_token_string_t cmd_show_show =
 728         TOKEN_STRING_INITIALIZER(struct cmd_show_result, show, "show");
 729
 730 cmdline_parse_inst_t cmd_show = {
 731         .f = cmd_show_parsed,  /* function to call */
 732         .data = NULL,      /* 2nd arg of func */
 733         .help_str = "this command do not handle any arguments",
 734         .tokens = {        /* token list, NULL terminated */
 735                 (void *)&cmd_show_show,
 736                 NULL,
 737         },
 738 };
 739
 740 /****** CONTEXT (list of instruction) */
 741
 742 cmdline_parse_ctx_t main_ctx[] = {
 743         (cmdline_parse_inst_t *)&cmd_start,
 744         (cmdline_parse_inst_t *)&cmd_obj_send,
 745         (cmdline_parse_inst_t *)&cmd_stop,
 746         (cmdline_parse_inst_t *)&cmd_show,
 747         (cmdline_parse_inst_t *)&cmd_quit,
 748         (cmdline_parse_inst_t *)&cmd_help,
 749         NULL,
 750 };
 751
 752 /* prompt function, called from main on MASTER lcore */
 753 static void prompt(__attribute__((unused)) void *arg1)
 754 {
 755         struct cmdline *cl;
 756
 757         cl = cmdline_stdin_new(main_ctx, "bond6>");
 758         if (cl != NULL) {
 759                 cmdline_interact(cl);
 760                 cmdline_stdin_exit(cl);
 761         }
 762 }
 763
 764 /* Main function, does initialisation and calls the per-lcore functions */
 765 int
 766 main(int argc, char *argv[])
 767 {
 768         int ret;
 769         uint16_t nb_ports, i;
 770
 771         /* init EAL */
 772         ret = rte_eal_init(argc, argv);
 773         rte_devargs_dump(stdout);
 774         if (ret < 0)
 775                 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
 776         argc -= ret;
 777         argv += ret;
 778
 779         nb_ports = rte_eth_dev_count_avail();
 780         if (nb_ports == 0)
 781                 rte_exit(EXIT_FAILURE, "Give at least one port\n");
 782         else if (nb_ports > MAX_PORTS)
 783                 rte_exit(EXIT_FAILURE, "You can have max 4 ports\n");
 784
 785         mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NB_MBUF, 32,
 786                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 787         if (mbuf_pool == NULL)
 788                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 789
 790         /* initialize all ports */
 791         slaves_count = nb_ports;
 792         RTE_ETH_FOREACH_DEV(i) {
 793                 slave_port_init(i, mbuf_pool);
 794                 slaves[i] = i;
 795         }
 796
 797         bond_port_init(mbuf_pool);
 798
 799         rte_spinlock_init(&global_flag_stru_p->lock);
 800         int slave_core_id = rte_lcore_id();
 801
 802         /* check state of lcores */
 803         RTE_LCORE_FOREACH_SLAVE(slave_core_id) {
 804         if (lcore_config[slave_core_id].state != WAIT)
 805                 return -EBUSY;
 806         }
 807         /* start lcore main on core != master_core - ARP response thread */
 808         slave_core_id = rte_get_next_lcore(rte_lcore_id(), 1, 0);
 809         if ((slave_core_id >= RTE_MAX_LCORE) || (slave_core_id == 0))
 810                 return -EPERM;
 811
 812         global_flag_stru_p->LcoreMainIsRunning = 1;
 813         global_flag_stru_p->LcoreMainCore = slave_core_id;
 814         printf("Starting lcore_main on core %d:%d Our IP:%d.%d.%d.%d\n",
 815                         slave_core_id,
 816                         rte_eal_remote_launch((lcore_function_t *)lcore_main,
 817                                         NULL,
 818                                         slave_core_id),
 819                         BOND_IP_1,
 820                         BOND_IP_2,
 821                         BOND_IP_3,
 822                         BOND_IP_4
 823                 );
 824
 825         /* Start prompt for user interact */
 826         prompt(NULL);
 827
 828         rte_delay_ms(100);
 829         return 0;
 830 }