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_string_fns.h>
  28 #include <rte_pdump.h>
  29
  30 #define CMD_LINE_OPT_PDUMP "pdump"
  31 #define PDUMP_PORT_ARG "port"
  32 #define PDUMP_PCI_ARG "device_id"
  33 #define PDUMP_QUEUE_ARG "queue"
  34 #define PDUMP_DIR_ARG "dir"
  35 #define PDUMP_RX_DEV_ARG "rx-dev"
  36 #define PDUMP_TX_DEV_ARG "tx-dev"
  37 #define PDUMP_RING_SIZE_ARG "ring-size"
  38 #define PDUMP_MSIZE_ARG "mbuf-size"
  39 #define PDUMP_NUM_MBUFS_ARG "total-num-mbufs"
  40 #define CMD_LINE_OPT_SER_SOCK_PATH "server-socket-path"
  41 #define CMD_LINE_OPT_CLI_SOCK_PATH "client-socket-path"
  42
  43 #define VDEV_PCAP "net_pcap_%s_%d,tx_pcap=%s"
  44 #define VDEV_IFACE "net_pcap_%s_%d,tx_iface=%s"
  45 #define TX_STREAM_SIZE 64
  46
  47 #define MP_NAME "pdump_pool_%d"
  48
  49 #define RX_RING "rx_ring_%d"
  50 #define TX_RING "tx_ring_%d"
  51
  52 #define RX_STR "rx"
  53 #define TX_STR "tx"
  54
  55 /* Maximum long option length for option parsing. */
  56 #define APP_ARG_TCPDUMP_MAX_TUPLES 54
  57 #define MBUF_POOL_CACHE_SIZE 250
  58 #define TX_DESC_PER_QUEUE 512
  59 #define RX_DESC_PER_QUEUE 128
  60 #define MBUFS_PER_POOL 65535
  61 #define MAX_LONG_OPT_SZ 64
  62 #define RING_SIZE 16384
  63 #define SIZE 256
  64 #define BURST_SIZE 32
  65 #define NUM_VDEVS 2
  66
  67 /* true if x is a power of 2 */
  68 #define POWEROF2(x) ((((x)-1) & (x)) == 0)
  69
  70 enum pdump_en_dis {
  71         DISABLE = 1,
  72         ENABLE = 2
  73 };
  74
  75 enum pcap_stream {
  76         IFACE = 1,
  77         PCAP = 2
  78 };
  79
  80 enum pdump_by {
  81         PORT_ID = 1,
  82         DEVICE_ID = 2
  83 };
  84
  85 const char *valid_pdump_arguments[] = {
  86         PDUMP_PORT_ARG,
  87         PDUMP_PCI_ARG,
  88         PDUMP_QUEUE_ARG,
  89         PDUMP_DIR_ARG,
  90         PDUMP_RX_DEV_ARG,
  91         PDUMP_TX_DEV_ARG,
  92         PDUMP_RING_SIZE_ARG,
  93         PDUMP_MSIZE_ARG,
  94         PDUMP_NUM_MBUFS_ARG,
  95         NULL
  96 };
  97
  98 struct pdump_stats {
  99         uint64_t dequeue_pkts;
 100         uint64_t tx_pkts;
 101         uint64_t freed_pkts;
 102 };
 103
 104 struct pdump_tuples {
 105         /* cli params */
 106         uint16_t port;
 107         char *device_id;
 108         uint16_t queue;
 109         char rx_dev[TX_STREAM_SIZE];
 110         char tx_dev[TX_STREAM_SIZE];
 111         uint32_t ring_size;
 112         uint16_t mbuf_data_size;
 113         uint32_t total_num_mbufs;
 114
 115         /* params for library API call */
 116         uint32_t dir;
 117         struct rte_mempool *mp;
 118         struct rte_ring *rx_ring;
 119         struct rte_ring *tx_ring;
 120
 121         /* params for packet dumping */
 122         enum pdump_by dump_by_type;
 123         int rx_vdev_id;
 124         int tx_vdev_id;
 125         enum pcap_stream rx_vdev_stream_type;
 126         enum pcap_stream tx_vdev_stream_type;
 127         bool single_pdump_dev;
 128
 129         /* stats */
 130         struct pdump_stats stats;
 131 } __rte_cache_aligned;
 132 static struct pdump_tuples pdump_t[APP_ARG_TCPDUMP_MAX_TUPLES];
 133
 134 struct parse_val {
 135         uint64_t min;
 136         uint64_t max;
 137         uint64_t val;
 138 };
 139
 140 int num_tuples;
 141 static struct rte_eth_conf port_conf_default;
 142 volatile uint8_t quit_signal;
 143 static char server_socket_path[PATH_MAX];
 144 static char client_socket_path[PATH_MAX];
 145
 146 /**< display usage */
 147 static void
 148 pdump_usage(const char *prgname)
 149 {
 150         printf("usage: %s [EAL options] -- --pdump "
 151                         "'(port=<port id> | device_id=<pci id or vdev name>),"
 152                         "(queue=<queue_id>),"
 153                         "(rx-dev=<iface or pcap file> |"
 154                         " tx-dev=<iface or pcap file>,"
 155                         "[ring-size=<ring size>default:16384],"
 156                         "[mbuf-size=<mbuf data size>default:2176],"
 157                         "[total-num-mbufs=<number of mbufs>default:65535]'\n"
 158                         "[--server-socket-path=<server socket dir>"
 159                                 " which is deprecated and will be removed soon,"
 160                                 " default:/var/run/.dpdk/ (or) ~/.dpdk/]\n"
 161                         "[--client-socket-path=<client socket dir>"
 162                                 " which is deprecated and will be removed soon,"
 163                                 " default:/var/run/.dpdk/ (or) ~/.dpdk/]\n",
 164                         prgname);
 165 }
 166
 167 static int
 168 parse_device_id(const char *key __rte_unused, const char *value,
 169                 void *extra_args)
 170 {
 171         struct pdump_tuples *pt = extra_args;
 172
 173         pt->device_id = strdup(value);
 174         pt->dump_by_type = DEVICE_ID;
 175
 176         return 0;
 177 }
 178
 179 static int
 180 parse_queue(const char *key __rte_unused, const char *value, void *extra_args)
 181 {
 182         unsigned long n;
 183         struct pdump_tuples *pt = extra_args;
 184
 185         if (!strcmp(value, "*"))
 186                 pt->queue = RTE_PDUMP_ALL_QUEUES;
 187         else {
 188                 n = strtoul(value, NULL, 10);
 189                 pt->queue = (uint16_t) n;
 190         }
 191         return 0;
 192 }
 193
 194 static int
 195 parse_rxtxdev(const char *key, const char *value, void *extra_args)
 196 {
 197
 198         struct pdump_tuples *pt = extra_args;
 199
 200         if (!strcmp(key, PDUMP_RX_DEV_ARG)) {
 201                 snprintf(pt->rx_dev, sizeof(pt->rx_dev), "%s", value);
 202                 /* identify the tx stream type for pcap vdev */
 203                 if (if_nametoindex(pt->rx_dev))
 204                         pt->rx_vdev_stream_type = IFACE;
 205         } else if (!strcmp(key, PDUMP_TX_DEV_ARG)) {
 206                 snprintf(pt->tx_dev, sizeof(pt->tx_dev), "%s", value);
 207                 /* identify the tx stream type for pcap vdev */
 208                 if (if_nametoindex(pt->tx_dev))
 209                         pt->tx_vdev_stream_type = IFACE;
 210         }
 211
 212         return 0;
 213 }
 214
 215 static int
 216 parse_uint_value(const char *key, const char *value, void *extra_args)
 217 {
 218         struct parse_val *v;
 219         unsigned long t;
 220         char *end;
 221         int ret = 0;
 222
 223         errno = 0;
 224         v = extra_args;
 225         t = strtoul(value, &end, 10);
 226
 227         if (errno != 0 || end[0] != 0 || t < v->min || t > v->max) {
 228                 printf("invalid value:\"%s\" for key:\"%s\", "
 229                         "value must be >= %"PRIu64" and <= %"PRIu64"\n",
 230                         value, key, v->min, v->max);
 231                 ret = -EINVAL;
 232         }
 233         if (!strcmp(key, PDUMP_RING_SIZE_ARG) && !POWEROF2(t)) {
 234                 printf("invalid value:\"%s\" for key:\"%s\", "
 235                         "value must be power of 2\n", value, key);
 236                 ret = -EINVAL;
 237         }
 238
 239         if (ret != 0)
 240                 return ret;
 241
 242         v->val = t;
 243         return 0;
 244 }
 245
 246 static int
 247 parse_pdump(const char *optarg)
 248 {
 249         struct rte_kvargs *kvlist;
 250         int ret = 0, cnt1, cnt2;
 251         struct pdump_tuples *pt;
 252         struct parse_val v = {0};
 253
 254         pt = &pdump_t[num_tuples];
 255
 256         /* initial check for invalid arguments */
 257         kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
 258         if (kvlist == NULL) {
 259                 printf("--pdump=\"%s\": invalid argument passed\n", optarg);
 260                 return -1;
 261         }
 262
 263         /* port/device_id parsing and validation */
 264         cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
 265         cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
 266         if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
 267                 printf("--pdump=\"%s\": must have either port or "
 268                         "device_id argument\n", optarg);
 269                 ret = -1;
 270                 goto free_kvlist;
 271         } else if (cnt1 == 1) {
 272                 v.min = 0;
 273                 v.max = RTE_MAX_ETHPORTS-1;
 274                 ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
 275                                 &parse_uint_value, &v);
 276                 if (ret < 0)
 277                         goto free_kvlist;
 278                 pt->port = (uint8_t) v.val;
 279                 pt->dump_by_type = PORT_ID;
 280         } else if (cnt2 == 1) {
 281                 ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
 282                                 &parse_device_id, pt);
 283                 if (ret < 0)
 284                         goto free_kvlist;
 285         }
 286
 287         /* queue parsing and validation */
 288         cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
 289         if (cnt1 != 1) {
 290                 printf("--pdump=\"%s\": must have queue argument\n", optarg);
 291                 ret = -1;
 292                 goto free_kvlist;
 293         }
 294         ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
 295         if (ret < 0)
 296                 goto free_kvlist;
 297
 298         /* rx-dev and tx-dev parsing and validation */
 299         cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
 300         cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
 301         if (cnt1 == 0 && cnt2 == 0) {
 302                 printf("--pdump=\"%s\": must have either rx-dev or "
 303                         "tx-dev argument\n", optarg);
 304                 ret = -1;
 305                 goto free_kvlist;
 306         } else if (cnt1 == 1 && cnt2 == 1) {
 307                 ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
 308                                         &parse_rxtxdev, pt);
 309                 if (ret < 0)
 310                         goto free_kvlist;
 311                 ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
 312                                         &parse_rxtxdev, pt);
 313                 if (ret < 0)
 314                         goto free_kvlist;
 315                 /* if captured packets has to send to the same vdev */
 316                 if (!strcmp(pt->rx_dev, pt->tx_dev))
 317                         pt->single_pdump_dev = true;
 318                 pt->dir = RTE_PDUMP_FLAG_RXTX;
 319         } else if (cnt1 == 1) {
 320                 ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
 321                                         &parse_rxtxdev, pt);
 322                 if (ret < 0)
 323                         goto free_kvlist;
 324                 pt->dir = RTE_PDUMP_FLAG_RX;
 325         } else if (cnt2 == 1) {
 326                 ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
 327                                         &parse_rxtxdev, pt);
 328                 if (ret < 0)
 329                         goto free_kvlist;
 330                 pt->dir = RTE_PDUMP_FLAG_TX;
 331         }
 332
 333         /* optional */
 334         /* ring_size parsing and validation */
 335         cnt1 = rte_kvargs_count(kvlist, PDUMP_RING_SIZE_ARG);
 336         if (cnt1 == 1) {
 337                 v.min = 2;
 338                 v.max = RTE_RING_SZ_MASK-1;
 339                 ret = rte_kvargs_process(kvlist, PDUMP_RING_SIZE_ARG,
 340                                                 &parse_uint_value, &v);
 341                 if (ret < 0)
 342                         goto free_kvlist;
 343                 pt->ring_size = (uint32_t) v.val;
 344         } else
 345                 pt->ring_size = RING_SIZE;
 346
 347         /* mbuf_data_size parsing and validation */
 348         cnt1 = rte_kvargs_count(kvlist, PDUMP_MSIZE_ARG);
 349         if (cnt1 == 1) {
 350                 v.min = 1;
 351                 v.max = UINT16_MAX;
 352                 ret = rte_kvargs_process(kvlist, PDUMP_MSIZE_ARG,
 353                                                 &parse_uint_value, &v);
 354                 if (ret < 0)
 355                         goto free_kvlist;
 356                 pt->mbuf_data_size = (uint16_t) v.val;
 357         } else
 358                 pt->mbuf_data_size = RTE_MBUF_DEFAULT_BUF_SIZE;
 359
 360         /* total_num_mbufs parsing and validation */
 361         cnt1 = rte_kvargs_count(kvlist, PDUMP_NUM_MBUFS_ARG);
 362         if (cnt1 == 1) {
 363                 v.min = 1025;
 364                 v.max = UINT16_MAX;
 365                 ret = rte_kvargs_process(kvlist, PDUMP_NUM_MBUFS_ARG,
 366                                                 &parse_uint_value, &v);
 367                 if (ret < 0)
 368                         goto free_kvlist;
 369                 pt->total_num_mbufs = (uint16_t) v.val;
 370         } else
 371                 pt->total_num_mbufs = MBUFS_PER_POOL;
 372
 373         num_tuples++;
 374
 375 free_kvlist:
 376         rte_kvargs_free(kvlist);
 377         return ret;
 378 }
 379
 380 /* Parse the argument given in the command line of the application */
 381 static int
 382 launch_args_parse(int argc, char **argv, char *prgname)
 383 {
 384         int opt, ret;
 385         int option_index;
 386         static struct option long_option[] = {
 387                 {"pdump", 1, 0, 0},
 388                 {"server-socket-path", 1, 0, 0},
 389                 {"client-socket-path", 1, 0, 0},
 390                 {NULL, 0, 0, 0}
 391         };
 392
 393         if (argc == 1)
 394                 pdump_usage(prgname);
 395
 396         /* Parse command line */
 397         while ((opt = getopt_long(argc, argv, " ",
 398                         long_option, &option_index)) != EOF) {
 399                 switch (opt) {
 400                 case 0:
 401                         if (!strncmp(long_option[option_index].name,
 402                                         CMD_LINE_OPT_PDUMP,
 403                                         sizeof(CMD_LINE_OPT_PDUMP))) {
 404                                 ret = parse_pdump(optarg);
 405                                 if (ret) {
 406                                         pdump_usage(prgname);
 407                                         return -1;
 408                                 }
 409                         }
 410
 411                         if (!strncmp(long_option[option_index].name,
 412                                         CMD_LINE_OPT_SER_SOCK_PATH,
 413                                         sizeof(CMD_LINE_OPT_SER_SOCK_PATH))) {
 414                                 strlcpy(server_socket_path, optarg,
 415                                         sizeof(server_socket_path));
 416                         }
 417
 418                         if (!strncmp(long_option[option_index].name,
 419                                         CMD_LINE_OPT_CLI_SOCK_PATH,
 420                                         sizeof(CMD_LINE_OPT_CLI_SOCK_PATH))) {
 421                                 strlcpy(client_socket_path, optarg,
 422                                         sizeof(client_socket_path));
 423                         }
 424
 425                         break;
 426                 default:
 427                         pdump_usage(prgname);
 428                         return -1;
 429                 }
 430         }
 431
 432         return 0;
 433 }
 434
 435 static void
 436 print_pdump_stats(void)
 437 {
 438         int i;
 439         struct pdump_tuples *pt;
 440
 441         for (i = 0; i < num_tuples; i++) {
 442                 printf("##### PDUMP DEBUG STATS #####\n");
 443                 pt = &pdump_t[i];
 444                 printf(" -packets dequeued:                     %"PRIu64"\n",
 445                                                         pt->stats.dequeue_pkts);
 446                 printf(" -packets transmitted to vdev:          %"PRIu64"\n",
 447                                                         pt->stats.tx_pkts);
 448                 printf(" -packets freed:                        %"PRIu64"\n",
 449                                                         pt->stats.freed_pkts);
 450         }
 451 }
 452
 453 static inline void
 454 disable_pdump(struct pdump_tuples *pt)
 455 {
 456         if (pt->dump_by_type == DEVICE_ID)
 457                 rte_pdump_disable_by_deviceid(pt->device_id, pt->queue,
 458                                                 pt->dir);
 459         else if (pt->dump_by_type == PORT_ID)
 460                 rte_pdump_disable(pt->port, pt->queue, pt->dir);
 461 }
 462
 463 static inline void
 464 pdump_rxtx(struct rte_ring *ring, uint8_t vdev_id, struct pdump_stats *stats)
 465 {
 466         /* write input packets of port to vdev for pdump */
 467         struct rte_mbuf *rxtx_bufs[BURST_SIZE];
 468
 469         /* first dequeue packets from ring of primary process */
 470         const uint16_t nb_in_deq = rte_ring_dequeue_burst(ring,
 471                         (void *)rxtx_bufs, BURST_SIZE, NULL);
 472         stats->dequeue_pkts += nb_in_deq;
 473
 474         if (nb_in_deq) {
 475                 /* then sent on vdev */
 476                 uint16_t nb_in_txd = rte_eth_tx_burst(
 477                                 vdev_id,
 478                                 0, rxtx_bufs, nb_in_deq);
 479                 stats->tx_pkts += nb_in_txd;
 480
 481                 if (unlikely(nb_in_txd < nb_in_deq)) {
 482                         do {
 483                                 rte_pktmbuf_free(rxtx_bufs[nb_in_txd]);
 484                                 stats->freed_pkts++;
 485                         } while (++nb_in_txd < nb_in_deq);
 486                 }
 487         }
 488 }
 489
 490 static void
 491 free_ring_data(struct rte_ring *ring, uint8_t vdev_id,
 492                 struct pdump_stats *stats)
 493 {
 494         while (rte_ring_count(ring))
 495                 pdump_rxtx(ring, vdev_id, stats);
 496 }
 497
 498 static void
 499 cleanup_rings(void)
 500 {
 501         int i;
 502         struct pdump_tuples *pt;
 503
 504         for (i = 0; i < num_tuples; i++) {
 505                 pt = &pdump_t[i];
 506
 507                 if (pt->device_id)
 508                         free(pt->device_id);
 509
 510                 /* free the rings */
 511                 if (pt->rx_ring)
 512                         rte_ring_free(pt->rx_ring);
 513                 if (pt->tx_ring)
 514                         rte_ring_free(pt->tx_ring);
 515         }
 516 }
 517
 518 static void
 519 cleanup_pdump_resources(void)
 520 {
 521         int i;
 522         struct pdump_tuples *pt;
 523
 524         /* disable pdump and free the pdump_tuple resources */
 525         for (i = 0; i < num_tuples; i++) {
 526                 pt = &pdump_t[i];
 527
 528                 /* remove callbacks */
 529                 disable_pdump(pt);
 530
 531                 /*
 532                 * transmit rest of the enqueued packets of the rings on to
 533                 * the vdev, in order to release mbufs to the mepool.
 534                 **/
 535                 if (pt->dir & RTE_PDUMP_FLAG_RX)
 536                         free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
 537                 if (pt->dir & RTE_PDUMP_FLAG_TX)
 538                         free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
 539         }
 540         cleanup_rings();
 541 }
 542
 543 static void
 544 signal_handler(int sig_num)
 545 {
 546         if (sig_num == SIGINT) {
 547                 printf("\n\nSignal %d received, preparing to exit...\n",
 548                                 sig_num);
 549                 quit_signal = 1;
 550         }
 551 }
 552
 553 static inline int
 554 configure_vdev(uint16_t port_id)
 555 {
 556         struct ether_addr addr;
 557         const uint16_t rxRings = 0, txRings = 1;
 558         int ret;
 559         uint16_t q;
 560
 561         if (!rte_eth_dev_is_valid_port(port_id))
 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         for (i = 0; i < num_tuples; i++) {
 749                 pt = &pdump_t[i];
 750                 if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
 751                         if (pt->dump_by_type == DEVICE_ID) {
 752                                 ret = rte_pdump_enable_by_deviceid(
 753                                                 pt->device_id,
 754                                                 pt->queue,
 755                                                 RTE_PDUMP_FLAG_RX,
 756                                                 pt->rx_ring,
 757                                                 pt->mp, NULL);
 758                                 ret1 = rte_pdump_enable_by_deviceid(
 759                                                 pt->device_id,
 760                                                 pt->queue,
 761                                                 RTE_PDUMP_FLAG_TX,
 762                                                 pt->tx_ring,
 763                                                 pt->mp, NULL);
 764                         } else if (pt->dump_by_type == PORT_ID) {
 765                                 ret = rte_pdump_enable(pt->port, pt->queue,
 766                                                 RTE_PDUMP_FLAG_RX,
 767                                                 pt->rx_ring, pt->mp, NULL);
 768                                 ret1 = rte_pdump_enable(pt->port, pt->queue,
 769                                                 RTE_PDUMP_FLAG_TX,
 770                                                 pt->tx_ring, pt->mp, NULL);
 771                         }
 772                 } else if (pt->dir == RTE_PDUMP_FLAG_RX) {
 773                         if (pt->dump_by_type == DEVICE_ID)
 774                                 ret = rte_pdump_enable_by_deviceid(
 775                                                 pt->device_id,
 776                                                 pt->queue,
 777                                                 pt->dir, pt->rx_ring,
 778                                                 pt->mp, NULL);
 779                         else if (pt->dump_by_type == PORT_ID)
 780                                 ret = rte_pdump_enable(pt->port, pt->queue,
 781                                                 pt->dir,
 782                                                 pt->rx_ring, pt->mp, NULL);
 783                 } else if (pt->dir == RTE_PDUMP_FLAG_TX) {
 784                         if (pt->dump_by_type == DEVICE_ID)
 785                                 ret = rte_pdump_enable_by_deviceid(
 786                                                 pt->device_id,
 787                                                 pt->queue,
 788                                                 pt->dir,
 789                                                 pt->tx_ring, pt->mp, NULL);
 790                         else if (pt->dump_by_type == PORT_ID)
 791                                 ret = rte_pdump_enable(pt->port, pt->queue,
 792                                                 pt->dir,
 793                                                 pt->tx_ring, pt->mp, NULL);
 794                 }
 795                 if (ret < 0 || ret1 < 0) {
 796                         cleanup_pdump_resources();
 797                         rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
 798                 }
 799         }
 800 }
 801
 802 static inline void
 803 dump_packets(void)
 804 {
 805         int i;
 806         struct pdump_tuples *pt;
 807
 808         while (!quit_signal) {
 809                 for (i = 0; i < num_tuples; i++) {
 810                         pt = &pdump_t[i];
 811                         if (pt->dir & RTE_PDUMP_FLAG_RX)
 812                                 pdump_rxtx(pt->rx_ring, pt->rx_vdev_id,
 813                                         &pt->stats);
 814                         if (pt->dir & RTE_PDUMP_FLAG_TX)
 815                                 pdump_rxtx(pt->tx_ring, pt->tx_vdev_id,
 816                                         &pt->stats);
 817                 }
 818         }
 819 }
 820
 821 int
 822 main(int argc, char **argv)
 823 {
 824         int diag;
 825         int ret;
 826         int i;
 827
 828         char c_flag[] = "-c1";
 829         char n_flag[] = "-n4";
 830         char mp_flag[] = "--proc-type=secondary";
 831         char *argp[argc + 3];
 832
 833         /* catch ctrl-c so we can print on exit */
 834         signal(SIGINT, signal_handler);
 835
 836         argp[0] = argv[0];
 837         argp[1] = c_flag;
 838         argp[2] = n_flag;
 839         argp[3] = mp_flag;
 840
 841         for (i = 1; i < argc; i++)
 842                 argp[i + 3] = argv[i];
 843
 844         argc += 3;
 845
 846         diag = rte_eal_init(argc, argp);
 847         if (diag < 0)
 848                 rte_panic("Cannot init EAL\n");
 849
 850         argc -= diag;
 851         argv += (diag - 3);
 852
 853         /* parse app arguments */
 854         if (argc > 1) {
 855                 ret = launch_args_parse(argc, argv, argp[0]);
 856                 if (ret < 0)
 857                         rte_exit(EXIT_FAILURE, "Invalid argument\n");
 858         }
 859
 860         /* create mempool, ring and vdevs info */
 861         create_mp_ring_vdev();
 862         enable_pdump();
 863         dump_packets();
 864
 865         cleanup_pdump_resources();
 866         /* dump debug stats */
 867         print_pdump_stats();
 868
 869         ret = rte_eal_cleanup();
 870         if (ret)
 871                 printf("Error from rte_eal_cleanup(), %d\n", ret);
 872
 873         return 0;
 874 }