app/pdump/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <stdint.h>
   8 #include <inttypes.h>
   9 #include <stdlib.h>
  10 #include <getopt.h>
  11 #include <signal.h>
  12 #include <stdbool.h>
  13 #include <net/if.h>
  14
  15 #include <rte_eal.h>
  16 #include <rte_common.h>
  17 #include <rte_debug.h>
  18 #include <rte_ethdev.h>
  19 #include <rte_memory.h>
  20 #include <rte_lcore.h>
  21 #include <rte_branch_prediction.h>
  22 #include <rte_errno.h>
  23 #include <rte_dev.h>
  24 #include <rte_kvargs.h>
  25 #include <rte_mempool.h>
  26 #include <rte_ring.h>
  27 #include <rte_pdump.h>
  28
  29 #define CMD_LINE_OPT_PDUMP "pdump"
  30 #define PDUMP_PORT_ARG "port"
  31 #define PDUMP_PCI_ARG "device_id"
  32 #define PDUMP_QUEUE_ARG "queue"
  33 #define PDUMP_DIR_ARG "dir"
  34 #define PDUMP_RX_DEV_ARG "rx-dev"
  35 #define PDUMP_TX_DEV_ARG "tx-dev"
  36 #define PDUMP_RING_SIZE_ARG "ring-size"
  37 #define PDUMP_MSIZE_ARG "mbuf-size"
  38 #define PDUMP_NUM_MBUFS_ARG "total-num-mbufs"
  39 #define CMD_LINE_OPT_SER_SOCK_PATH "server-socket-path"
  40 #define CMD_LINE_OPT_CLI_SOCK_PATH "client-socket-path"
  41
  42 #define VDEV_PCAP "net_pcap_%s_%d,tx_pcap=%s"
  43 #define VDEV_IFACE "net_pcap_%s_%d,tx_iface=%s"
  44 #define TX_STREAM_SIZE 64
  45
  46 #define MP_NAME "pdump_pool_%d"
  47
  48 #define RX_RING "rx_ring_%d"
  49 #define TX_RING "tx_ring_%d"
  50
  51 #define RX_STR "rx"
  52 #define TX_STR "tx"
  53
  54 /* Maximum long option length for option parsing. */
  55 #define APP_ARG_TCPDUMP_MAX_TUPLES 54
  56 #define MBUF_POOL_CACHE_SIZE 250
  57 #define TX_DESC_PER_QUEUE 512
  58 #define RX_DESC_PER_QUEUE 128
  59 #define MBUFS_PER_POOL 65535
  60 #define MAX_LONG_OPT_SZ 64
  61 #define RING_SIZE 16384
  62 #define SIZE 256
  63 #define BURST_SIZE 32
  64 #define NUM_VDEVS 2
  65
  66 /* true if x is a power of 2 */
  67 #define POWEROF2(x) ((((x)-1) & (x)) == 0)
  68
  69 enum pdump_en_dis {
  70         DISABLE = 1,
  71         ENABLE = 2
  72 };
  73
  74 enum pcap_stream {
  75         IFACE = 1,
  76         PCAP = 2
  77 };
  78
  79 enum pdump_by {
  80         PORT_ID = 1,
  81         DEVICE_ID = 2
  82 };
  83
  84 const char *valid_pdump_arguments[] = {
  85         PDUMP_PORT_ARG,
  86         PDUMP_PCI_ARG,
  87         PDUMP_QUEUE_ARG,
  88         PDUMP_DIR_ARG,
  89         PDUMP_RX_DEV_ARG,
  90         PDUMP_TX_DEV_ARG,
  91         PDUMP_RING_SIZE_ARG,
  92         PDUMP_MSIZE_ARG,
  93         PDUMP_NUM_MBUFS_ARG,
  94         NULL
  95 };
  96
  97 struct pdump_stats {
  98         uint64_t dequeue_pkts;
  99         uint64_t tx_pkts;
 100         uint64_t freed_pkts;
 101 };
 102
 103 struct pdump_tuples {
 104         /* cli params */
 105         uint16_t port;
 106         char *device_id;
 107         uint16_t queue;
 108         char rx_dev[TX_STREAM_SIZE];
 109         char tx_dev[TX_STREAM_SIZE];
 110         uint32_t ring_size;
 111         uint16_t mbuf_data_size;
 112         uint32_t total_num_mbufs;
 113
 114         /* params for library API call */
 115         uint32_t dir;
 116         struct rte_mempool *mp;
 117         struct rte_ring *rx_ring;
 118         struct rte_ring *tx_ring;
 119
 120         /* params for packet dumping */
 121         enum pdump_by dump_by_type;
 122         int rx_vdev_id;
 123         int tx_vdev_id;
 124         enum pcap_stream rx_vdev_stream_type;
 125         enum pcap_stream tx_vdev_stream_type;
 126         bool single_pdump_dev;
 127
 128         /* stats */
 129         struct pdump_stats stats;
 130 } __rte_cache_aligned;
 131 static struct pdump_tuples pdump_t[APP_ARG_TCPDUMP_MAX_TUPLES];
 132
 133 struct parse_val {
 134         uint64_t min;
 135         uint64_t max;
 136         uint64_t val;
 137 };
 138
 139 int num_tuples;
 140 static struct rte_eth_conf port_conf_default;
 141 volatile uint8_t quit_signal;
 142 static char server_socket_path[PATH_MAX];
 143 static char client_socket_path[PATH_MAX];
 144
 145 /**< display usage */
 146 static void
 147 pdump_usage(const char *prgname)
 148 {
 149         printf("usage: %s [EAL options] -- --pdump "
 150                         "'(port=<port id> | device_id=<pci id or vdev name>),"
 151                         "(queue=<queue_id>),"
 152                         "(rx-dev=<iface or pcap file> |"
 153                         " tx-dev=<iface or pcap file>,"
 154                         "[ring-size=<ring size>default:16384],"
 155                         "[mbuf-size=<mbuf data size>default:2176],"
 156                         "[total-num-mbufs=<number of mbufs>default:65535]'\n"
 157                         "[--server-socket-path=<server socket dir>"
 158                                 "default:/var/run/.dpdk/ (or) ~/.dpdk/]\n"
 159                         "[--client-socket-path=<client socket dir>"
 160                                 "default:/var/run/.dpdk/ (or) ~/.dpdk/]\n",
 161                         prgname);
 162 }
 163
 164 static int
 165 parse_device_id(const char *key __rte_unused, const char *value,
 166                 void *extra_args)
 167 {
 168         struct pdump_tuples *pt = extra_args;
 169
 170         pt->device_id = strdup(value);
 171         pt->dump_by_type = DEVICE_ID;
 172
 173         return 0;
 174 }
 175
 176 static int
 177 parse_queue(const char *key __rte_unused, const char *value, void *extra_args)
 178 {
 179         unsigned long n;
 180         struct pdump_tuples *pt = extra_args;
 181
 182         if (!strcmp(value, "*"))
 183                 pt->queue = RTE_PDUMP_ALL_QUEUES;
 184         else {
 185                 n = strtoul(value, NULL, 10);
 186                 pt->queue = (uint16_t) n;
 187         }
 188         return 0;
 189 }
 190
 191 static int
 192 parse_rxtxdev(const char *key, const char *value, void *extra_args)
 193 {
 194
 195         struct pdump_tuples *pt = extra_args;
 196
 197         if (!strcmp(key, PDUMP_RX_DEV_ARG)) {
 198                 snprintf(pt->rx_dev, sizeof(pt->rx_dev), "%s", value);
 199                 /* identify the tx stream type for pcap vdev */
 200                 if (if_nametoindex(pt->rx_dev))
 201                         pt->rx_vdev_stream_type = IFACE;
 202         } else if (!strcmp(key, PDUMP_TX_DEV_ARG)) {
 203                 snprintf(pt->tx_dev, sizeof(pt->tx_dev), "%s", value);
 204                 /* identify the tx stream type for pcap vdev */
 205                 if (if_nametoindex(pt->tx_dev))
 206                         pt->tx_vdev_stream_type = IFACE;
 207         }
 208
 209         return 0;
 210 }
 211
 212 static int
 213 parse_uint_value(const char *key, const char *value, void *extra_args)
 214 {
 215         struct parse_val *v;
 216         unsigned long t;
 217         char *end;
 218         int ret = 0;
 219
 220         errno = 0;
 221         v = extra_args;
 222         t = strtoul(value, &end, 10);
 223
 224         if (errno != 0 || end[0] != 0 || t < v->min || t > v->max) {
 225                 printf("invalid value:\"%s\" for key:\"%s\", "
 226                         "value must be >= %"PRIu64" and <= %"PRIu64"\n",
 227                         value, key, v->min, v->max);
 228                 ret = -EINVAL;
 229         }
 230         if (!strcmp(key, PDUMP_RING_SIZE_ARG) && !POWEROF2(t)) {
 231                 printf("invalid value:\"%s\" for key:\"%s\", "
 232                         "value must be power of 2\n", value, key);
 233                 ret = -EINVAL;
 234         }
 235
 236         if (ret != 0)
 237                 return ret;
 238
 239         v->val = t;
 240         return 0;
 241 }
 242
 243 static int
 244 parse_pdump(const char *optarg)
 245 {
 246         struct rte_kvargs *kvlist;
 247         int ret = 0, cnt1, cnt2;
 248         struct pdump_tuples *pt;
 249         struct parse_val v = {0};
 250
 251         pt = &pdump_t[num_tuples];
 252
 253         /* initial check for invalid arguments */
 254         kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
 255         if (kvlist == NULL) {
 256                 printf("--pdump=\"%s\": invalid argument passed\n", optarg);
 257                 return -1;
 258         }
 259
 260         /* port/device_id parsing and validation */
 261         cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
 262         cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
 263         if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
 264                 printf("--pdump=\"%s\": must have either port or "
 265                         "device_id argument\n", optarg);
 266                 ret = -1;
 267                 goto free_kvlist;
 268         } else if (cnt1 == 1) {
 269                 v.min = 0;
 270                 v.max = RTE_MAX_ETHPORTS-1;
 271                 ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
 272                                 &parse_uint_value, &v);
 273                 if (ret < 0)
 274                         goto free_kvlist;
 275                 pt->port = (uint8_t) v.val;
 276                 pt->dump_by_type = PORT_ID;
 277         } else if (cnt2 == 1) {
 278                 ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
 279                                 &parse_device_id, pt);
 280                 if (ret < 0)
 281                         goto free_kvlist;
 282         }
 283
 284         /* queue parsing and validation */
 285         cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
 286         if (cnt1 != 1) {
 287                 printf("--pdump=\"%s\": must have queue argument\n", optarg);
 288                 ret = -1;
 289                 goto free_kvlist;
 290         }
 291         ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
 292         if (ret < 0)
 293                 goto free_kvlist;
 294
 295         /* rx-dev and tx-dev parsing and validation */
 296         cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
 297         cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
 298         if (cnt1 == 0 && cnt2 == 0) {
 299                 printf("--pdump=\"%s\": must have either rx-dev or "
 300                         "tx-dev argument\n", optarg);
 301                 ret = -1;
 302                 goto free_kvlist;
 303         } else if (cnt1 == 1 && cnt2 == 1) {
 304                 ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
 305                                         &parse_rxtxdev, pt);
 306                 if (ret < 0)
 307                         goto free_kvlist;
 308                 ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
 309                                         &parse_rxtxdev, pt);
 310                 if (ret < 0)
 311                         goto free_kvlist;
 312                 /* if captured packets has to send to the same vdev */
 313                 if (!strcmp(pt->rx_dev, pt->tx_dev))
 314                         pt->single_pdump_dev = true;
 315                 pt->dir = RTE_PDUMP_FLAG_RXTX;
 316         } else if (cnt1 == 1) {
 317                 ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
 318                                         &parse_rxtxdev, pt);
 319                 if (ret < 0)
 320                         goto free_kvlist;
 321                 pt->dir = RTE_PDUMP_FLAG_RX;
 322         } else if (cnt2 == 1) {
 323                 ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
 324                                         &parse_rxtxdev, pt);
 325                 if (ret < 0)
 326                         goto free_kvlist;
 327                 pt->dir = RTE_PDUMP_FLAG_TX;
 328         }
 329
 330         /* optional */
 331         /* ring_size parsing and validation */
 332         cnt1 = rte_kvargs_count(kvlist, PDUMP_RING_SIZE_ARG);
 333         if (cnt1 == 1) {
 334                 v.min = 2;
 335                 v.max = RTE_RING_SZ_MASK-1;
 336                 ret = rte_kvargs_process(kvlist, PDUMP_RING_SIZE_ARG,
 337                                                 &parse_uint_value, &v);
 338                 if (ret < 0)
 339                         goto free_kvlist;
 340                 pt->ring_size = (uint32_t) v.val;
 341         } else
 342                 pt->ring_size = RING_SIZE;
 343
 344         /* mbuf_data_size parsing and validation */
 345         cnt1 = rte_kvargs_count(kvlist, PDUMP_MSIZE_ARG);
 346         if (cnt1 == 1) {
 347                 v.min = 1;
 348                 v.max = UINT16_MAX;
 349                 ret = rte_kvargs_process(kvlist, PDUMP_MSIZE_ARG,
 350                                                 &parse_uint_value, &v);
 351                 if (ret < 0)
 352                         goto free_kvlist;
 353                 pt->mbuf_data_size = (uint16_t) v.val;
 354         } else
 355                 pt->mbuf_data_size = RTE_MBUF_DEFAULT_BUF_SIZE;
 356
 357         /* total_num_mbufs parsing and validation */
 358         cnt1 = rte_kvargs_count(kvlist, PDUMP_NUM_MBUFS_ARG);
 359         if (cnt1 == 1) {
 360                 v.min = 1025;
 361                 v.max = UINT16_MAX;
 362                 ret = rte_kvargs_process(kvlist, PDUMP_NUM_MBUFS_ARG,
 363                                                 &parse_uint_value, &v);
 364                 if (ret < 0)
 365                         goto free_kvlist;
 366                 pt->total_num_mbufs = (uint16_t) v.val;
 367         } else
 368                 pt->total_num_mbufs = MBUFS_PER_POOL;
 369
 370         num_tuples++;
 371
 372 free_kvlist:
 373         rte_kvargs_free(kvlist);
 374         return ret;
 375 }
 376
 377 /* Parse the argument given in the command line of the application */
 378 static int
 379 launch_args_parse(int argc, char **argv, char *prgname)
 380 {
 381         int opt, ret;
 382         int option_index;
 383         static struct option long_option[] = {
 384                 {"pdump", 1, 0, 0},
 385                 {"server-socket-path", 1, 0, 0},
 386                 {"client-socket-path", 1, 0, 0},
 387                 {NULL, 0, 0, 0}
 388         };
 389
 390         if (argc == 1)
 391                 pdump_usage(prgname);
 392
 393         /* Parse command line */
 394         while ((opt = getopt_long(argc, argv, " ",
 395                         long_option, &option_index)) != EOF) {
 396                 switch (opt) {
 397                 case 0:
 398                         if (!strncmp(long_option[option_index].name,
 399                                         CMD_LINE_OPT_PDUMP,
 400                                         sizeof(CMD_LINE_OPT_PDUMP))) {
 401                                 ret = parse_pdump(optarg);
 402                                 if (ret) {
 403                                         pdump_usage(prgname);
 404                                         return -1;
 405                                 }
 406                         }
 407
 408                         if (!strncmp(long_option[option_index].name,
 409                                         CMD_LINE_OPT_SER_SOCK_PATH,
 410                                         sizeof(CMD_LINE_OPT_SER_SOCK_PATH))) {
 411                                 snprintf(server_socket_path,
 412                                         sizeof(server_socket_path), "%s",
 413                                         optarg);
 414                         }
 415
 416                         if (!strncmp(long_option[option_index].name,
 417                                         CMD_LINE_OPT_CLI_SOCK_PATH,
 418                                         sizeof(CMD_LINE_OPT_CLI_SOCK_PATH))) {
 419                                 snprintf(client_socket_path,
 420                                         sizeof(client_socket_path), "%s",
 421                                         optarg);
 422                         }
 423
 424                         break;
 425                 default:
 426                         pdump_usage(prgname);
 427                         return -1;
 428                 }
 429         }
 430
 431         return 0;
 432 }
 433
 434 static void
 435 print_pdump_stats(void)
 436 {
 437         int i;
 438         struct pdump_tuples *pt;
 439
 440         for (i = 0; i < num_tuples; i++) {
 441                 printf("##### PDUMP DEBUG STATS #####\n");
 442                 pt = &pdump_t[i];
 443                 printf(" -packets dequeued:                     %"PRIu64"\n",
 444                                                         pt->stats.dequeue_pkts);
 445                 printf(" -packets transmitted to vdev:          %"PRIu64"\n",
 446                                                         pt->stats.tx_pkts);
 447                 printf(" -packets freed:                        %"PRIu64"\n",
 448                                                         pt->stats.freed_pkts);
 449         }
 450 }
 451
 452 static inline void
 453 disable_pdump(struct pdump_tuples *pt)
 454 {
 455         if (pt->dump_by_type == DEVICE_ID)
 456                 rte_pdump_disable_by_deviceid(pt->device_id, pt->queue,
 457                                                 pt->dir);
 458         else if (pt->dump_by_type == PORT_ID)
 459                 rte_pdump_disable(pt->port, pt->queue, pt->dir);
 460 }
 461
 462 static inline void
 463 pdump_rxtx(struct rte_ring *ring, uint8_t vdev_id, struct pdump_stats *stats)
 464 {
 465         /* write input packets of port to vdev for pdump */
 466         struct rte_mbuf *rxtx_bufs[BURST_SIZE];
 467
 468         /* first dequeue packets from ring of primary process */
 469         const uint16_t nb_in_deq = rte_ring_dequeue_burst(ring,
 470                         (void *)rxtx_bufs, BURST_SIZE, NULL);
 471         stats->dequeue_pkts += nb_in_deq;
 472
 473         if (nb_in_deq) {
 474                 /* then sent on vdev */
 475                 uint16_t nb_in_txd = rte_eth_tx_burst(
 476                                 vdev_id,
 477                                 0, rxtx_bufs, nb_in_deq);
 478                 stats->tx_pkts += nb_in_txd;
 479
 480                 if (unlikely(nb_in_txd < nb_in_deq)) {
 481                         do {
 482                                 rte_pktmbuf_free(rxtx_bufs[nb_in_txd]);
 483                                 stats->freed_pkts++;
 484                         } while (++nb_in_txd < nb_in_deq);
 485                 }
 486         }
 487 }
 488
 489 static void
 490 free_ring_data(struct rte_ring *ring, uint8_t vdev_id,
 491                 struct pdump_stats *stats)
 492 {
 493         while (rte_ring_count(ring))
 494                 pdump_rxtx(ring, vdev_id, stats);
 495 }
 496
 497 static void
 498 cleanup_rings(void)
 499 {
 500         int i;
 501         struct pdump_tuples *pt;
 502
 503         for (i = 0; i < num_tuples; i++) {
 504                 pt = &pdump_t[i];
 505
 506                 if (pt->device_id)
 507                         free(pt->device_id);
 508
 509                 /* free the rings */
 510                 if (pt->rx_ring)
 511                         rte_ring_free(pt->rx_ring);
 512                 if (pt->tx_ring)
 513                         rte_ring_free(pt->tx_ring);
 514         }
 515 }
 516
 517 static void
 518 cleanup_pdump_resources(void)
 519 {
 520         int i;
 521         struct pdump_tuples *pt;
 522
 523         /* disable pdump and free the pdump_tuple resources */
 524         for (i = 0; i < num_tuples; i++) {
 525                 pt = &pdump_t[i];
 526
 527                 /* remove callbacks */
 528                 disable_pdump(pt);
 529
 530                 /*
 531                 * transmit rest of the enqueued packets of the rings on to
 532                 * the vdev, in order to release mbufs to the mepool.
 533                 **/
 534                 if (pt->dir & RTE_PDUMP_FLAG_RX)
 535                         free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
 536                 if (pt->dir & RTE_PDUMP_FLAG_TX)
 537                         free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
 538         }
 539         cleanup_rings();
 540 }
 541
 542 static void
 543 signal_handler(int sig_num)
 544 {
 545         if (sig_num == SIGINT) {
 546                 printf("\n\nSignal %d received, preparing to exit...\n",
 547                                 sig_num);
 548                 quit_signal = 1;
 549         }
 550 }
 551
 552 static inline int
 553 configure_vdev(uint16_t port_id)
 554 {
 555         struct ether_addr addr;
 556         const uint16_t rxRings = 0, txRings = 1;
 557         const uint8_t nb_ports = rte_eth_dev_count();
 558         int ret;
 559         uint16_t q;
 560
 561         if (port_id > nb_ports)
 562                 return -1;
 563
 564         ret = rte_eth_dev_configure(port_id, rxRings, txRings,
 565                                         &port_conf_default);
 566         if (ret != 0)
 567                 rte_exit(EXIT_FAILURE, "dev config failed\n");
 568
 569          for (q = 0; q < txRings; q++) {
 570                 ret = rte_eth_tx_queue_setup(port_id, q, TX_DESC_PER_QUEUE,
 571                                 rte_eth_dev_socket_id(port_id), NULL);
 572                 if (ret < 0)
 573                         rte_exit(EXIT_FAILURE, "queue setup failed\n");
 574         }
 575
 576         ret = rte_eth_dev_start(port_id);
 577         if (ret < 0)
 578                 rte_exit(EXIT_FAILURE, "dev start failed\n");
 579
 580         rte_eth_macaddr_get(port_id, &addr);
 581         printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
 582                         " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
 583                         port_id,
 584                         addr.addr_bytes[0], addr.addr_bytes[1],
 585                         addr.addr_bytes[2], addr.addr_bytes[3],
 586                         addr.addr_bytes[4], addr.addr_bytes[5]);
 587
 588         rte_eth_promiscuous_enable(port_id);
 589
 590         return 0;
 591 }
 592
 593 static void
 594 create_mp_ring_vdev(void)
 595 {
 596         int i;
 597         uint16_t portid;
 598         struct pdump_tuples *pt = NULL;
 599         struct rte_mempool *mbuf_pool = NULL;
 600         char vdev_args[SIZE];
 601         char ring_name[SIZE];
 602         char mempool_name[SIZE];
 603
 604         for (i = 0; i < num_tuples; i++) {
 605                 pt = &pdump_t[i];
 606                 snprintf(mempool_name, SIZE, MP_NAME, i);
 607                 mbuf_pool = rte_mempool_lookup(mempool_name);
 608                 if (mbuf_pool == NULL) {
 609                         /* create mempool */
 610                         mbuf_pool = rte_pktmbuf_pool_create(mempool_name,
 611                                         pt->total_num_mbufs,
 612                                         MBUF_POOL_CACHE_SIZE, 0,
 613                                         pt->mbuf_data_size,
 614                                         rte_socket_id());
 615                         if (mbuf_pool == NULL) {
 616                                 cleanup_rings();
 617                                 rte_exit(EXIT_FAILURE,
 618                                         "Mempool creation failed: %s\n",
 619                                         rte_strerror(rte_errno));
 620                         }
 621                 }
 622                 pt->mp = mbuf_pool;
 623
 624                 if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
 625                         /* if captured packets has to send to the same vdev */
 626                         /* create rx_ring */
 627                         snprintf(ring_name, SIZE, RX_RING, i);
 628                         pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
 629                                         rte_socket_id(), 0);
 630                         if (pt->rx_ring == NULL) {
 631                                 cleanup_rings();
 632                                 rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
 633                                                 rte_strerror(rte_errno),
 634                                                 __func__, __LINE__);
 635                         }
 636
 637                         /* create tx_ring */
 638                         snprintf(ring_name, SIZE, TX_RING, i);
 639                         pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
 640                                         rte_socket_id(), 0);
 641                         if (pt->tx_ring == NULL) {
 642                                 cleanup_rings();
 643                                 rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
 644                                                 rte_strerror(rte_errno),
 645                                                 __func__, __LINE__);
 646                         }
 647
 648                         /* create vdevs */
 649                         (pt->rx_vdev_stream_type == IFACE) ?
 650                         snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
 651                         pt->rx_dev) :
 652                         snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
 653                         pt->rx_dev);
 654                         if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
 655                                 cleanup_rings();
 656                                 rte_exit(EXIT_FAILURE,
 657                                         "vdev creation failed:%s:%d\n",
 658                                         __func__, __LINE__);
 659                         }
 660                         pt->rx_vdev_id = portid;
 661
 662                         /* configure vdev */
 663                         configure_vdev(pt->rx_vdev_id);
 664
 665                         if (pt->single_pdump_dev)
 666                                 pt->tx_vdev_id = portid;
 667                         else {
 668                                 (pt->tx_vdev_stream_type == IFACE) ?
 669                                 snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
 670                                 pt->tx_dev) :
 671                                 snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
 672                                 pt->tx_dev);
 673                                 if (rte_eth_dev_attach(vdev_args,
 674                                                         &portid) < 0) {
 675                                         cleanup_rings();
 676                                         rte_exit(EXIT_FAILURE,
 677                                                 "vdev creation failed:"
 678                                                 "%s:%d\n", __func__, __LINE__);
 679                                 }
 680                                 pt->tx_vdev_id = portid;
 681
 682                                 /* configure vdev */
 683                                 configure_vdev(pt->tx_vdev_id);
 684                         }
 685                 } else if (pt->dir == RTE_PDUMP_FLAG_RX) {
 686
 687                         /* create rx_ring */
 688                         snprintf(ring_name, SIZE, RX_RING, i);
 689                         pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
 690                                         rte_socket_id(), 0);
 691                         if (pt->rx_ring == NULL) {
 692                                 cleanup_rings();
 693                                 rte_exit(EXIT_FAILURE, "%s\n",
 694                                         rte_strerror(rte_errno));
 695                         }
 696
 697                         (pt->rx_vdev_stream_type == IFACE) ?
 698                         snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
 699                                 pt->rx_dev) :
 700                         snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
 701                                 pt->rx_dev);
 702                         if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
 703                                 cleanup_rings();
 704                                 rte_exit(EXIT_FAILURE,
 705                                         "vdev creation failed:%s:%d\n",
 706                                         __func__, __LINE__);
 707                         }
 708                         pt->rx_vdev_id = portid;
 709                         /* configure vdev */
 710                         configure_vdev(pt->rx_vdev_id);
 711                 } else if (pt->dir == RTE_PDUMP_FLAG_TX) {
 712
 713                         /* create tx_ring */
 714                         snprintf(ring_name, SIZE, TX_RING, i);
 715                         pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
 716                                         rte_socket_id(), 0);
 717                         if (pt->tx_ring == NULL) {
 718                                 cleanup_rings();
 719                                 rte_exit(EXIT_FAILURE, "%s\n",
 720                                         rte_strerror(rte_errno));
 721                         }
 722
 723                         (pt->tx_vdev_stream_type == IFACE) ?
 724                         snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
 725                                 pt->tx_dev) :
 726                         snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
 727                                 pt->tx_dev);
 728                         if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
 729                                 cleanup_rings();
 730                                 rte_exit(EXIT_FAILURE,
 731                                         "vdev creation failed\n");
 732                         }
 733                         pt->tx_vdev_id = portid;
 734
 735                         /* configure vdev */
 736                         configure_vdev(pt->tx_vdev_id);
 737                 }
 738         }
 739 }
 740
 741 static void
 742 enable_pdump(void)
 743 {
 744         int i;
 745         struct pdump_tuples *pt;
 746         int ret = 0, ret1 = 0;
 747
 748         if (server_socket_path[0] != 0)
 749                 ret = rte_pdump_set_socket_dir(server_socket_path,
 750                                 RTE_PDUMP_SOCKET_SERVER);
 751         if (ret == 0 && client_socket_path[0] != 0) {
 752                 ret = rte_pdump_set_socket_dir(client_socket_path,
 753                                 RTE_PDUMP_SOCKET_CLIENT);
 754         }
 755         if (ret < 0) {
 756                 cleanup_pdump_resources();
 757                 rte_exit(EXIT_FAILURE,
 758                                 "failed to set socket paths of server:%s, "
 759                                 "client:%s\n",
 760                                 server_socket_path,
 761                                 client_socket_path);
 762         }
 763
 764         for (i = 0; i < num_tuples; i++) {
 765                 pt = &pdump_t[i];
 766                 if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
 767                         if (pt->dump_by_type == DEVICE_ID) {
 768                                 ret = rte_pdump_enable_by_deviceid(
 769                                                 pt->device_id,
 770                                                 pt->queue,
 771                                                 RTE_PDUMP_FLAG_RX,
 772                                                 pt->rx_ring,
 773                                                 pt->mp, NULL);
 774                                 ret1 = rte_pdump_enable_by_deviceid(
 775                                                 pt->device_id,
 776                                                 pt->queue,
 777                                                 RTE_PDUMP_FLAG_TX,
 778                                                 pt->tx_ring,
 779                                                 pt->mp, NULL);
 780                         } else if (pt->dump_by_type == PORT_ID) {
 781                                 ret = rte_pdump_enable(pt->port, pt->queue,
 782                                                 RTE_PDUMP_FLAG_RX,
 783                                                 pt->rx_ring, pt->mp, NULL);
 784                                 ret1 = rte_pdump_enable(pt->port, pt->queue,
 785                                                 RTE_PDUMP_FLAG_TX,
 786                                                 pt->tx_ring, pt->mp, NULL);
 787                         }
 788                 } else if (pt->dir == RTE_PDUMP_FLAG_RX) {
 789                         if (pt->dump_by_type == DEVICE_ID)
 790                                 ret = rte_pdump_enable_by_deviceid(
 791                                                 pt->device_id,
 792                                                 pt->queue,
 793                                                 pt->dir, pt->rx_ring,
 794                                                 pt->mp, NULL);
 795                         else if (pt->dump_by_type == PORT_ID)
 796                                 ret = rte_pdump_enable(pt->port, pt->queue,
 797                                                 pt->dir,
 798                                                 pt->rx_ring, pt->mp, NULL);
 799                 } else if (pt->dir == RTE_PDUMP_FLAG_TX) {
 800                         if (pt->dump_by_type == DEVICE_ID)
 801                                 ret = rte_pdump_enable_by_deviceid(
 802                                                 pt->device_id,
 803                                                 pt->queue,
 804                                                 pt->dir,
 805                                                 pt->tx_ring, pt->mp, NULL);
 806                         else if (pt->dump_by_type == PORT_ID)
 807                                 ret = rte_pdump_enable(pt->port, pt->queue,
 808                                                 pt->dir,
 809                                                 pt->tx_ring, pt->mp, NULL);
 810                 }
 811                 if (ret < 0 || ret1 < 0) {
 812                         cleanup_pdump_resources();
 813                         rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
 814                 }
 815         }
 816 }
 817
 818 static inline void
 819 dump_packets(void)
 820 {
 821         int i;
 822         struct pdump_tuples *pt;
 823
 824         while (!quit_signal) {
 825                 for (i = 0; i < num_tuples; i++) {
 826                         pt = &pdump_t[i];
 827                         if (pt->dir & RTE_PDUMP_FLAG_RX)
 828                                 pdump_rxtx(pt->rx_ring, pt->rx_vdev_id,
 829                                         &pt->stats);
 830                         if (pt->dir & RTE_PDUMP_FLAG_TX)
 831                                 pdump_rxtx(pt->tx_ring, pt->tx_vdev_id,
 832                                         &pt->stats);
 833                 }
 834         }
 835 }
 836
 837 int
 838 main(int argc, char **argv)
 839 {
 840         int diag;
 841         int ret;
 842         int i;
 843
 844         char c_flag[] = "-c1";
 845         char n_flag[] = "-n4";
 846         char mp_flag[] = "--proc-type=secondary";
 847         char *argp[argc + 3];
 848
 849         /* catch ctrl-c so we can print on exit */
 850         signal(SIGINT, signal_handler);
 851
 852         argp[0] = argv[0];
 853         argp[1] = c_flag;
 854         argp[2] = n_flag;
 855         argp[3] = mp_flag;
 856
 857         for (i = 1; i < argc; i++)
 858                 argp[i + 3] = argv[i];
 859
 860         argc += 3;
 861
 862         diag = rte_eal_init(argc, argp);
 863         if (diag < 0)
 864                 rte_panic("Cannot init EAL\n");
 865
 866         argc -= diag;
 867         argv += (diag - 3);
 868
 869         /* parse app arguments */
 870         if (argc > 1) {
 871                 ret = launch_args_parse(argc, argv, argp[0]);
 872                 if (ret < 0)
 873                         rte_exit(EXIT_FAILURE, "Invalid argument\n");
 874         }
 875
 876         /* create mempool, ring and vdevs info */
 877         create_mp_ring_vdev();
 878         enable_pdump();
 879         dump_packets();
 880
 881         cleanup_pdump_resources();
 882         /* dump debug stats */
 883         print_pdump_stats();
 884
 885         ret = rte_eal_cleanup();
 886         if (ret)
 887                 printf("Error from rte_eal_cleanup(), %d\n", ret);
 888
 889         return 0;
 890 }