app/test-pmd/parameters.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <errno.h>
  35 #include <getopt.h>
  36 #include <stdarg.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <signal.h>
  40 #include <string.h>
  41 #include <time.h>
  42 #include <fcntl.h>
  43 #include <sys/types.h>
  44 #include <errno.h>
  45
  46 #include <sys/queue.h>
  47 #include <sys/stat.h>
  48
  49 #include <stdint.h>
  50 #include <unistd.h>
  51 #include <inttypes.h>
  52
  53 #include <rte_common.h>
  54 #include <rte_byteorder.h>
  55 #include <rte_log.h>
  56 #include <rte_debug.h>
  57 #include <rte_cycles.h>
  58 #include <rte_memory.h>
  59 #include <rte_memzone.h>
  60 #include <rte_launch.h>
  61 #include <rte_eal.h>
  62 #include <rte_per_lcore.h>
  63 #include <rte_lcore.h>
  64 #include <rte_atomic.h>
  65 #include <rte_branch_prediction.h>
  66 #include <rte_mempool.h>
  67 #include <rte_interrupts.h>
  68 #include <rte_pci.h>
  69 #include <rte_ether.h>
  70 #include <rte_ethdev.h>
  71 #include <rte_string_fns.h>
  72 #ifdef RTE_LIBRTE_CMDLINE
  73 #include <cmdline_parse.h>
  74 #include <cmdline_parse_etheraddr.h>
  75 #endif
  76 #ifdef RTE_LIBRTE_PMD_BOND
  77 #include <rte_eth_bond.h>
  78 #endif
  79 #include <rte_flow.h>
  80
  81 #include "testpmd.h"
  82
  83 static void
  84 usage(char* progname)
  85 {
  86         printf("usage: %s "
  87 #ifdef RTE_LIBRTE_CMDLINE
  88                "[--interactive|-i] "
  89 #endif
  90                "[--help|-h] | [--auto-start|-a] | ["
  91                "--coremask=COREMASK --portmask=PORTMASK --numa "
  92                "--mbuf-size= | --total-num-mbufs= | "
  93                "--nb-cores= | --nb-ports= | "
  94 #ifdef RTE_LIBRTE_CMDLINE
  95                "--eth-peers-configfile= | "
  96                "--eth-peer=X,M:M:M:M:M:M | "
  97 #endif
  98                "--pkt-filter-mode= |"
  99                "--rss-ip | --rss-udp | "
 100                "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
 101                "--txpt= | --txht= | --txwt= | --txfreet= | "
 102                "--txrst= | --txqflags= ]\n",
 103                progname);
 104 #ifdef RTE_LIBRTE_CMDLINE
 105         printf("  --interactive: run in interactive mode.\n");
 106 #endif
 107         printf("  --auto-start: start forwarding on init "
 108                "[always when non-interactive].\n");
 109         printf("  --help: display this message and quit.\n");
 110         printf("  --nb-cores=N: set the number of forwarding cores "
 111                "(1 <= N <= %d).\n", nb_lcores);
 112         printf("  --nb-ports=N: set the number of forwarding ports "
 113                "(1 <= N <= %d).\n", nb_ports);
 114         printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
 115                "the packet forwarding test. The master lcore is reserved for "
 116                "command line parsing only, and cannot be masked on for "
 117                "packet forwarding.\n");
 118         printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
 119                "by the packet forwarding test.\n");
 120         printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
 121                "RX memory buffers (mbufs).\n");
 122         printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
 123                "specify the socket on which the memory pool "
 124                "used by the port will be allocated.\n");
 125         printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
 126                "specify the socket on which the TX/RX rings for "
 127                "the port will be allocated "
 128                "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
 129         printf("  --socket-num=N: set socket from which all memory is allocated "
 130                "in NUMA mode.\n");
 131         printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
 132         printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
 133                "in mbuf pools.\n");
 134         printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
 135 #ifdef RTE_LIBRTE_CMDLINE
 136         printf("  --eth-peers-configfile=name: config file with ethernet addresses "
 137                "of peer ports.\n");
 138         printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
 139                "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
 140 #endif
 141         printf("  --pkt-filter-mode=N: set Flow Director mode "
 142                "(N: none (default mode) or signature or perfect).\n");
 143         printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
 144                "(N: none  or match (default) or always).\n");
 145         printf("  --pkt-filter-size=N: set Flow Director mode "
 146                "(N: 64K (default mode) or 128K or 256K).\n");
 147         printf("  --pkt-filter-drop-queue=N: set drop-queue. "
 148                "In perfect mode, when you add a rule with queue = -1 "
 149                "the packet will be enqueued into the rx drop-queue. "
 150                "If the drop-queue doesn't exist, the packet is dropped. "
 151                "By default drop-queue=127.\n");
 152 #ifdef RTE_LIBRTE_LATENCY_STATS
 153         printf("  --latencystats=N: enable latency and jitter statistcs "
 154                "monitoring on forwarding lcore id N.\n");
 155 #endif
 156         printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
 157         printf("  --enable-lro: enable large receive offload.\n");
 158         printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
 159         printf("  --disable-hw-vlan: disable hardware vlan.\n");
 160         printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
 161         printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
 162         printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\n");
 163         printf("  --enable-drop-en: enable per queue packet drop.\n");
 164         printf("  --disable-rss: disable rss.\n");
 165         printf("  --port-topology=N: set port topology (N: paired (default) or "
 166                "chained).\n");
 167         printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
 168                list_pkt_forwarding_modes());
 169         printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
 170         printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
 171         printf("  --rxq=N: set the number of RX queues per port to N.\n");
 172         printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
 173         printf("  --txq=N: set the number of TX queues per port to N.\n");
 174         printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
 175         printf("  --burst=N: set the number of packets per burst to N.\n");
 176         printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
 177         printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
 178         printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
 179         printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
 180                "(0 <= N < value of rxd).\n");
 181         printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
 182         printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
 183         printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
 184         printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
 185         printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
 186                "(0 <= N <= value of txd).\n");
 187         printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
 188                "(0 <= N <= value of txd).\n");
 189         printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
 190                "(0 <= N <= 0x7FFFFFFF).\n");
 191         printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
 192                "tx queues statistics counters mapping "
 193                "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 194         printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
 195                "rx queues statistics counters mapping "
 196                "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 197         printf("  --no-flush-rx: Don't flush RX streams before forwarding."
 198                " Used mainly with PCAP drivers.\n");
 199         printf("  --txpkts=X[,Y]*: set TX segment sizes"
 200                 " or total packet length.\n");
 201         printf("  --disable-link-check: disable check on link status when "
 202                "starting/stopping ports.\n");
 203         printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
 204         printf("  --no-rmv-interrupt: disable device removal interrupt.");
 205 }
 206
 207 #ifdef RTE_LIBRTE_CMDLINE
 208 static int
 209 init_peer_eth_addrs(char *config_filename)
 210 {
 211         FILE *config_file;
 212         portid_t i;
 213         char buf[50];
 214
 215         config_file = fopen(config_filename, "r");
 216         if (config_file == NULL) {
 217                 perror("Failed to open eth config file\n");
 218                 return -1;
 219         }
 220
 221         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 222
 223                 if (fgets(buf, sizeof(buf), config_file) == NULL)
 224                         break;
 225
 226                 if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
 227                                 sizeof(peer_eth_addrs[i])) < 0) {
 228                         printf("Bad MAC address format on line %d\n", i+1);
 229                         fclose(config_file);
 230                         return -1;
 231                 }
 232         }
 233         fclose(config_file);
 234         nb_peer_eth_addrs = (portid_t) i;
 235         return 0;
 236 }
 237 #endif
 238
 239 /*
 240  * Parse the coremask given as argument (hexadecimal string) and set
 241  * the global configuration of forwarding cores.
 242  */
 243 static void
 244 parse_fwd_coremask(const char *coremask)
 245 {
 246         char *end;
 247         unsigned long long int cm;
 248
 249         /* parse hexadecimal string */
 250         end = NULL;
 251         cm = strtoull(coremask, &end, 16);
 252         if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
 253                 rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
 254         else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
 255                 rte_exit(EXIT_FAILURE, "coremask is not valid\n");
 256 }
 257
 258 /*
 259  * Parse the coremask given as argument (hexadecimal string) and set
 260  * the global configuration of forwarding cores.
 261  */
 262 static void
 263 parse_fwd_portmask(const char *portmask)
 264 {
 265         char *end;
 266         unsigned long long int pm;
 267
 268         /* parse hexadecimal string */
 269         end = NULL;
 270         pm = strtoull(portmask, &end, 16);
 271         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 272                 rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
 273         else
 274                 set_fwd_ports_mask((uint64_t) pm);
 275 }
 276
 277
 278 static int
 279 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
 280 {
 281         char s[256];
 282         const char *p, *p0 = q_arg;
 283         char *end;
 284         enum fieldnames {
 285                 FLD_PORT = 0,
 286                 FLD_QUEUE,
 287                 FLD_STATS_COUNTER,
 288                 _NUM_FLD
 289         };
 290         unsigned long int_fld[_NUM_FLD];
 291         char *str_fld[_NUM_FLD];
 292         int i;
 293         unsigned size;
 294
 295         /* reset from value set at definition */
 296         is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
 297
 298         while ((p = strchr(p0,'(')) != NULL) {
 299                 ++p;
 300                 if((p0 = strchr(p,')')) == NULL)
 301                         return -1;
 302
 303                 size = p0 - p;
 304                 if(size >= sizeof(s))
 305                         return -1;
 306
 307                 snprintf(s, sizeof(s), "%.*s", size, p);
 308                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 309                         return -1;
 310                 for (i = 0; i < _NUM_FLD; i++){
 311                         errno = 0;
 312                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 313                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 314                                 return -1;
 315                 }
 316                 /* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
 317                 if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
 318                         printf("Stats counter not in the correct range 0..%d\n",
 319                                         RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 320                         return -1;
 321                 }
 322
 323                 if (!is_rx) {
 324                         if ((nb_tx_queue_stats_mappings >=
 325                                                 MAX_TX_QUEUE_STATS_MAPPINGS)) {
 326                                 printf("exceeded max number of TX queue "
 327                                                 "statistics mappings: %hu\n",
 328                                                 nb_tx_queue_stats_mappings);
 329                                 return -1;
 330                         }
 331                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
 332                                 (uint8_t)int_fld[FLD_PORT];
 333                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
 334                                 (uint8_t)int_fld[FLD_QUEUE];
 335                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
 336                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 337                         ++nb_tx_queue_stats_mappings;
 338                 }
 339                 else {
 340                         if ((nb_rx_queue_stats_mappings >=
 341                                                 MAX_RX_QUEUE_STATS_MAPPINGS)) {
 342                                 printf("exceeded max number of RX queue "
 343                                                 "statistics mappings: %hu\n",
 344                                                 nb_rx_queue_stats_mappings);
 345                                 return -1;
 346                         }
 347                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
 348                                 (uint8_t)int_fld[FLD_PORT];
 349                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
 350                                 (uint8_t)int_fld[FLD_QUEUE];
 351                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
 352                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 353                         ++nb_rx_queue_stats_mappings;
 354                 }
 355
 356         }
 357 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
 358 /* than to the default array (that was set at its definition) */
 359         is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
 360                 (tx_queue_stats_mappings = tx_queue_stats_mappings_array);
 361         return 0;
 362 }
 363
 364 static int
 365 parse_portnuma_config(const char *q_arg)
 366 {
 367         char s[256];
 368         const char *p, *p0 = q_arg;
 369         char *end;
 370         uint8_t i,port_id,socket_id;
 371         unsigned size;
 372         enum fieldnames {
 373                 FLD_PORT = 0,
 374                 FLD_SOCKET,
 375                 _NUM_FLD
 376         };
 377         unsigned long int_fld[_NUM_FLD];
 378         char *str_fld[_NUM_FLD];
 379         portid_t pid;
 380
 381         /* reset from value set at definition */
 382         while ((p = strchr(p0,'(')) != NULL) {
 383                 ++p;
 384                 if((p0 = strchr(p,')')) == NULL)
 385                         return -1;
 386
 387                 size = p0 - p;
 388                 if(size >= sizeof(s))
 389                         return -1;
 390
 391                 snprintf(s, sizeof(s), "%.*s", size, p);
 392                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 393                         return -1;
 394                 for (i = 0; i < _NUM_FLD; i++) {
 395                         errno = 0;
 396                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 397                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 398                                 return -1;
 399                 }
 400                 port_id = (uint8_t)int_fld[FLD_PORT];
 401                 if (port_id_is_invalid(port_id, ENABLED_WARN)) {
 402                         printf("Valid port range is [0");
 403                         RTE_ETH_FOREACH_DEV(pid)
 404                                 printf(", %d", pid);
 405                         printf("]\n");
 406                         return -1;
 407                 }
 408                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 409                 if(socket_id >= max_socket) {
 410                         printf("Invalid socket id, range is [0, %d]\n",
 411                                  max_socket - 1);
 412                         return -1;
 413                 }
 414                 port_numa[port_id] = socket_id;
 415         }
 416
 417         return 0;
 418 }
 419
 420 static int
 421 parse_ringnuma_config(const char *q_arg)
 422 {
 423         char s[256];
 424         const char *p, *p0 = q_arg;
 425         char *end;
 426         uint8_t i,port_id,ring_flag,socket_id;
 427         unsigned size;
 428         enum fieldnames {
 429                 FLD_PORT = 0,
 430                 FLD_FLAG,
 431                 FLD_SOCKET,
 432                 _NUM_FLD
 433         };
 434         unsigned long int_fld[_NUM_FLD];
 435         char *str_fld[_NUM_FLD];
 436         portid_t pid;
 437         #define RX_RING_ONLY 0x1
 438         #define TX_RING_ONLY 0x2
 439         #define RXTX_RING    0x3
 440
 441         /* reset from value set at definition */
 442         while ((p = strchr(p0,'(')) != NULL) {
 443                 ++p;
 444                 if((p0 = strchr(p,')')) == NULL)
 445                         return -1;
 446
 447                 size = p0 - p;
 448                 if(size >= sizeof(s))
 449                         return -1;
 450
 451                 snprintf(s, sizeof(s), "%.*s", size, p);
 452                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 453                         return -1;
 454                 for (i = 0; i < _NUM_FLD; i++) {
 455                         errno = 0;
 456                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 457                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 458                                 return -1;
 459                 }
 460                 port_id = (uint8_t)int_fld[FLD_PORT];
 461                 if (port_id_is_invalid(port_id, ENABLED_WARN)) {
 462                         printf("Valid port range is [0");
 463                         RTE_ETH_FOREACH_DEV(pid)
 464                                 printf(", %d", pid);
 465                         printf("]\n");
 466                         return -1;
 467                 }
 468                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 469                 if (socket_id >= max_socket) {
 470                         printf("Invalid socket id, range is [0, %d]\n",
 471                                 max_socket - 1);
 472                         return -1;
 473                 }
 474                 ring_flag = (uint8_t)int_fld[FLD_FLAG];
 475                 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
 476                         printf("Invalid ring-flag=%d config for port =%d\n",
 477                                 ring_flag,port_id);
 478                         return -1;
 479                 }
 480
 481                 switch (ring_flag & RXTX_RING) {
 482                 case RX_RING_ONLY:
 483                         rxring_numa[port_id] = socket_id;
 484                         break;
 485                 case TX_RING_ONLY:
 486                         txring_numa[port_id] = socket_id;
 487                         break;
 488                 case RXTX_RING:
 489                         rxring_numa[port_id] = socket_id;
 490                         txring_numa[port_id] = socket_id;
 491                         break;
 492                 default:
 493                         printf("Invalid ring-flag=%d config for port=%d\n",
 494                                 ring_flag,port_id);
 495                         break;
 496                 }
 497         }
 498
 499         return 0;
 500 }
 501
 502 void
 503 launch_args_parse(int argc, char** argv)
 504 {
 505         int n, opt;
 506         char **argvopt;
 507         int opt_idx;
 508         enum { TX, RX };
 509
 510         static struct option lgopts[] = {
 511                 { "help",                       0, 0, 0 },
 512 #ifdef RTE_LIBRTE_CMDLINE
 513                 { "interactive",                0, 0, 0 },
 514                 { "auto-start",                 0, 0, 0 },
 515                 { "eth-peers-configfile",       1, 0, 0 },
 516                 { "eth-peer",                   1, 0, 0 },
 517 #endif
 518                 { "ports",                      1, 0, 0 },
 519                 { "nb-cores",                   1, 0, 0 },
 520                 { "nb-ports",                   1, 0, 0 },
 521                 { "coremask",                   1, 0, 0 },
 522                 { "portmask",                   1, 0, 0 },
 523                 { "numa",                       0, 0, 0 },
 524                 { "no-numa",                    0, 0, 0 },
 525                 { "mp-anon",                    0, 0, 0 },
 526                 { "port-numa-config",           1, 0, 0 },
 527                 { "ring-numa-config",           1, 0, 0 },
 528                 { "socket-num",                 1, 0, 0 },
 529                 { "mbuf-size",                  1, 0, 0 },
 530                 { "total-num-mbufs",            1, 0, 0 },
 531                 { "max-pkt-len",                1, 0, 0 },
 532                 { "pkt-filter-mode",            1, 0, 0 },
 533                 { "pkt-filter-report-hash",     1, 0, 0 },
 534                 { "pkt-filter-size",            1, 0, 0 },
 535                 { "pkt-filter-drop-queue",      1, 0, 0 },
 536 #ifdef RTE_LIBRTE_LATENCY_STATS
 537                 { "latencystats",               1, 0, 0 },
 538 #endif
 539                 { "disable-crc-strip",          0, 0, 0 },
 540                 { "enable-lro",                 0, 0, 0 },
 541                 { "enable-rx-cksum",            0, 0, 0 },
 542                 { "enable-scatter",             0, 0, 0 },
 543                 { "disable-hw-vlan",            0, 0, 0 },
 544                 { "disable-hw-vlan-filter",     0, 0, 0 },
 545                 { "disable-hw-vlan-strip",      0, 0, 0 },
 546                 { "disable-hw-vlan-extend",     0, 0, 0 },
 547                 { "enable-drop-en",            0, 0, 0 },
 548                 { "disable-rss",                0, 0, 0 },
 549                 { "port-topology",              1, 0, 0 },
 550                 { "forward-mode",               1, 0, 0 },
 551                 { "rss-ip",                     0, 0, 0 },
 552                 { "rss-udp",                    0, 0, 0 },
 553                 { "rxq",                        1, 0, 0 },
 554                 { "txq",                        1, 0, 0 },
 555                 { "rxd",                        1, 0, 0 },
 556                 { "txd",                        1, 0, 0 },
 557                 { "burst",                      1, 0, 0 },
 558                 { "mbcache",                    1, 0, 0 },
 559                 { "txpt",                       1, 0, 0 },
 560                 { "txht",                       1, 0, 0 },
 561                 { "txwt",                       1, 0, 0 },
 562                 { "txfreet",                    1, 0, 0 },
 563                 { "txrst",                      1, 0, 0 },
 564                 { "txqflags",                   1, 0, 0 },
 565                 { "rxpt",                       1, 0, 0 },
 566                 { "rxht",                       1, 0, 0 },
 567                 { "rxwt",                       1, 0, 0 },
 568                 { "rxfreet",                    1, 0, 0 },
 569                 { "tx-queue-stats-mapping",     1, 0, 0 },
 570                 { "rx-queue-stats-mapping",     1, 0, 0 },
 571                 { "no-flush-rx",        0, 0, 0 },
 572                 { "txpkts",                     1, 0, 0 },
 573                 { "disable-link-check",         0, 0, 0 },
 574                 { "no-lsc-interrupt",           0, 0, 0 },
 575                 { "no-rmv-interrupt",           0, 0, 0 },
 576                 { 0, 0, 0, 0 },
 577         };
 578
 579         argvopt = argv;
 580
 581 #ifdef RTE_LIBRTE_CMDLINE
 582 #define SHORTOPTS "i"
 583 #else
 584 #define SHORTOPTS ""
 585 #endif
 586         while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
 587                                  lgopts, &opt_idx)) != EOF) {
 588                 switch (opt) {
 589 #ifdef RTE_LIBRTE_CMDLINE
 590                 case 'i':
 591                         printf("Interactive-mode selected\n");
 592                         interactive = 1;
 593                         break;
 594 #endif
 595                 case 'a':
 596                         printf("Auto-start selected\n");
 597                         auto_start = 1;
 598                         break;
 599
 600                 case 0: /*long options */
 601                         if (!strcmp(lgopts[opt_idx].name, "help")) {
 602                                 usage(argv[0]);
 603                                 rte_exit(EXIT_SUCCESS, "Displayed help\n");
 604                         }
 605 #ifdef RTE_LIBRTE_CMDLINE
 606                         if (!strcmp(lgopts[opt_idx].name, "interactive")) {
 607                                 printf("Interactive-mode selected\n");
 608                                 interactive = 1;
 609                         }
 610                         if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
 611                                 printf("Auto-start selected\n");
 612                                 auto_start = 1;
 613                         }
 614                         if (!strcmp(lgopts[opt_idx].name,
 615                                     "eth-peers-configfile")) {
 616                                 if (init_peer_eth_addrs(optarg) != 0)
 617                                         rte_exit(EXIT_FAILURE,
 618                                                  "Cannot open logfile\n");
 619                         }
 620                         if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
 621                                 char *port_end;
 622                                 uint8_t c, peer_addr[6];
 623
 624                                 errno = 0;
 625                                 n = strtoul(optarg, &port_end, 10);
 626                                 if (errno != 0 || port_end == optarg || *port_end++ != ',')
 627                                         rte_exit(EXIT_FAILURE,
 628                                                  "Invalid eth-peer: %s", optarg);
 629                                 if (n >= RTE_MAX_ETHPORTS)
 630                                         rte_exit(EXIT_FAILURE,
 631                                                  "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 632                                                  n, RTE_MAX_ETHPORTS);
 633
 634                                 if (cmdline_parse_etheraddr(NULL, port_end,
 635                                                 &peer_addr, sizeof(peer_addr)) < 0)
 636                                         rte_exit(EXIT_FAILURE,
 637                                                  "Invalid ethernet address: %s\n",
 638                                                  port_end);
 639                                 for (c = 0; c < 6; c++)
 640                                         peer_eth_addrs[n].addr_bytes[c] =
 641                                                 peer_addr[c];
 642                                 nb_peer_eth_addrs++;
 643                         }
 644 #endif
 645                         if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
 646                                 n = atoi(optarg);
 647                                 if (n > 0 && n <= nb_ports)
 648                                         nb_fwd_ports = (uint8_t) n;
 649                                 else
 650                                         rte_exit(EXIT_FAILURE,
 651                                                  "Invalid port %d\n", n);
 652                         }
 653                         if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
 654                                 n = atoi(optarg);
 655                                 if (n > 0 && n <= nb_lcores)
 656                                         nb_fwd_lcores = (uint8_t) n;
 657                                 else
 658                                         rte_exit(EXIT_FAILURE,
 659                                                  "nb-cores should be > 0 and <= %d\n",
 660                                                  nb_lcores);
 661                         }
 662                         if (!strcmp(lgopts[opt_idx].name, "coremask"))
 663                                 parse_fwd_coremask(optarg);
 664                         if (!strcmp(lgopts[opt_idx].name, "portmask"))
 665                                 parse_fwd_portmask(optarg);
 666                         if (!strcmp(lgopts[opt_idx].name, "no-numa"))
 667                                 numa_support = 0;
 668                         if (!strcmp(lgopts[opt_idx].name, "numa")) {
 669                                 numa_support = 1;
 670                                 memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 671                                 memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 672                                 memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 673                         }
 674                         if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
 675                                 mp_anon = 1;
 676                         }
 677                         if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
 678                                 if (parse_portnuma_config(optarg))
 679                                         rte_exit(EXIT_FAILURE,
 680                                            "invalid port-numa configuration\n");
 681                         }
 682                         if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
 683                                 if (parse_ringnuma_config(optarg))
 684                                         rte_exit(EXIT_FAILURE,
 685                                            "invalid ring-numa configuration\n");
 686                         if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
 687                                 n = atoi(optarg);
 688                                 if((uint8_t)n < max_socket)
 689                                         socket_num = (uint8_t)n;
 690                                 else
 691                                         rte_exit(EXIT_FAILURE,
 692                                                 "The socket number should be < %d\n",
 693                                                 max_socket);
 694                         }
 695                         if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
 696                                 n = atoi(optarg);
 697                                 if (n > 0 && n <= 0xFFFF)
 698                                         mbuf_data_size = (uint16_t) n;
 699                                 else
 700                                         rte_exit(EXIT_FAILURE,
 701                                                  "mbuf-size should be > 0 and < 65536\n");
 702                         }
 703                         if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
 704                                 n = atoi(optarg);
 705                                 if (n > 1024)
 706                                         param_total_num_mbufs = (unsigned)n;
 707                                 else
 708                                         rte_exit(EXIT_FAILURE,
 709                                                  "total-num-mbufs should be > 1024\n");
 710                         }
 711                         if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
 712                                 n = atoi(optarg);
 713                                 if (n >= ETHER_MIN_LEN) {
 714                                         rx_mode.max_rx_pkt_len = (uint32_t) n;
 715                                         if (n > ETHER_MAX_LEN)
 716                                             rx_mode.jumbo_frame = 1;
 717                                 } else
 718                                         rte_exit(EXIT_FAILURE,
 719                                                  "Invalid max-pkt-len=%d - should be > %d\n",
 720                                                  n, ETHER_MIN_LEN);
 721                         }
 722                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
 723                                 if (!strcmp(optarg, "signature"))
 724                                         fdir_conf.mode =
 725                                                 RTE_FDIR_MODE_SIGNATURE;
 726                                 else if (!strcmp(optarg, "perfect"))
 727                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
 728                                 else if (!strcmp(optarg, "perfect-mac-vlan"))
 729                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
 730                                 else if (!strcmp(optarg, "perfect-tunnel"))
 731                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
 732                                 else if (!strcmp(optarg, "none"))
 733                                         fdir_conf.mode = RTE_FDIR_MODE_NONE;
 734                                 else
 735                                         rte_exit(EXIT_FAILURE,
 736                                                  "pkt-mode-invalid %s invalid - must be: "
 737                                                  "none, signature, perfect, perfect-mac-vlan"
 738                                                  " or perfect-tunnel\n",
 739                                                  optarg);
 740                         }
 741                         if (!strcmp(lgopts[opt_idx].name,
 742                                     "pkt-filter-report-hash")) {
 743                                 if (!strcmp(optarg, "none"))
 744                                         fdir_conf.status =
 745                                                 RTE_FDIR_NO_REPORT_STATUS;
 746                                 else if (!strcmp(optarg, "match"))
 747                                         fdir_conf.status =
 748                                                 RTE_FDIR_REPORT_STATUS;
 749                                 else if (!strcmp(optarg, "always"))
 750                                         fdir_conf.status =
 751                                                 RTE_FDIR_REPORT_STATUS_ALWAYS;
 752                                 else
 753                                         rte_exit(EXIT_FAILURE,
 754                                                  "pkt-filter-report-hash %s invalid "
 755                                                  "- must be: none or match or always\n",
 756                                                  optarg);
 757                         }
 758                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
 759                                 if (!strcmp(optarg, "64K"))
 760                                         fdir_conf.pballoc =
 761                                                 RTE_FDIR_PBALLOC_64K;
 762                                 else if (!strcmp(optarg, "128K"))
 763                                         fdir_conf.pballoc =
 764                                                 RTE_FDIR_PBALLOC_128K;
 765                                 else if (!strcmp(optarg, "256K"))
 766                                         fdir_conf.pballoc =
 767                                                 RTE_FDIR_PBALLOC_256K;
 768                                 else
 769                                         rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
 770                                                  " must be: 64K or 128K or 256K\n",
 771                                                  optarg);
 772                         }
 773                         if (!strcmp(lgopts[opt_idx].name,
 774                                     "pkt-filter-drop-queue")) {
 775                                 n = atoi(optarg);
 776                                 if (n >= 0)
 777                                         fdir_conf.drop_queue = (uint8_t) n;
 778                                 else
 779                                         rte_exit(EXIT_FAILURE,
 780                                                  "drop queue %d invalid - must"
 781                                                  "be >= 0 \n", n);
 782                         }
 783 #ifdef RTE_LIBRTE_LATENCY_STATS
 784                         if (!strcmp(lgopts[opt_idx].name,
 785                                     "latencystats")) {
 786                                 n = atoi(optarg);
 787                                 if (n >= 0) {
 788                                         latencystats_lcore_id = (lcoreid_t) n;
 789                                         latencystats_enabled = 1;
 790                                 } else
 791                                         rte_exit(EXIT_FAILURE,
 792                                                  "invalid lcore id %d for latencystats"
 793                                                  " must be >= 0\n", n);
 794                         }
 795 #endif
 796                         if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
 797                                 rx_mode.hw_strip_crc = 0;
 798                         if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
 799                                 rx_mode.enable_lro = 1;
 800                         if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
 801                                 rx_mode.enable_scatter = 1;
 802                         if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
 803                                 rx_mode.hw_ip_checksum = 1;
 804
 805                         if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
 806                                 rx_mode.hw_vlan_filter = 0;
 807                                 rx_mode.hw_vlan_strip  = 0;
 808                                 rx_mode.hw_vlan_extend = 0;
 809                         }
 810
 811                         if (!strcmp(lgopts[opt_idx].name,
 812                                         "disable-hw-vlan-filter"))
 813                                 rx_mode.hw_vlan_filter = 0;
 814
 815                         if (!strcmp(lgopts[opt_idx].name,
 816                                         "disable-hw-vlan-strip"))
 817                                 rx_mode.hw_vlan_strip  = 0;
 818
 819                         if (!strcmp(lgopts[opt_idx].name,
 820                                         "disable-hw-vlan-extend"))
 821                                 rx_mode.hw_vlan_extend = 0;
 822
 823                         if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
 824                                 rx_drop_en = 1;
 825
 826                         if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
 827                                 rss_hf = 0;
 828                         if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
 829                                 if (!strcmp(optarg, "paired"))
 830                                         port_topology = PORT_TOPOLOGY_PAIRED;
 831                                 else if (!strcmp(optarg, "chained"))
 832                                         port_topology = PORT_TOPOLOGY_CHAINED;
 833                                 else if (!strcmp(optarg, "loop"))
 834                                         port_topology = PORT_TOPOLOGY_LOOP;
 835                                 else
 836                                         rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
 837                                                  " must be: paired or chained \n",
 838                                                  optarg);
 839                         }
 840                         if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
 841                                 set_pkt_forwarding_mode(optarg);
 842                         if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
 843                                 rss_hf = ETH_RSS_IP;
 844                         if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
 845                                 rss_hf = ETH_RSS_UDP;
 846                         if (!strcmp(lgopts[opt_idx].name, "rxq")) {
 847                                 n = atoi(optarg);
 848                                 if (n >= 0 && n <= (int) MAX_QUEUE_ID)
 849                                         nb_rxq = (queueid_t) n;
 850                                 else
 851                                         rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
 852                                                   " >= 0 && <= %d\n", n,
 853                                                   (int) MAX_QUEUE_ID);
 854                         }
 855                         if (!strcmp(lgopts[opt_idx].name, "txq")) {
 856                                 n = atoi(optarg);
 857                                 if (n >= 0 && n <= (int) MAX_QUEUE_ID)
 858                                         nb_txq = (queueid_t) n;
 859                                 else
 860                                         rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
 861                                                   " >= 0 && <= %d\n", n,
 862                                                   (int) MAX_QUEUE_ID);
 863                         }
 864                         if (!nb_rxq && !nb_txq) {
 865                                 rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
 866                                                 "be non-zero\n");
 867                         }
 868                         if (!strcmp(lgopts[opt_idx].name, "burst")) {
 869                                 n = atoi(optarg);
 870                                 if ((n >= 1) && (n <= MAX_PKT_BURST))
 871                                         nb_pkt_per_burst = (uint16_t) n;
 872                                 else
 873                                         rte_exit(EXIT_FAILURE,
 874                                                  "burst must >= 1 and <= %d]",
 875                                                  MAX_PKT_BURST);
 876                         }
 877                         if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
 878                                 n = atoi(optarg);
 879                                 if ((n >= 0) &&
 880                                     (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
 881                                         mb_mempool_cache = (uint16_t) n;
 882                                 else
 883                                         rte_exit(EXIT_FAILURE,
 884                                                  "mbcache must be >= 0 and <= %d\n",
 885                                                  RTE_MEMPOOL_CACHE_MAX_SIZE);
 886                         }
 887                         if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
 888                                 n = atoi(optarg);
 889                                 if (n >= 0)
 890                                         tx_free_thresh = (int16_t)n;
 891                                 else
 892                                         rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
 893                         }
 894                         if (!strcmp(lgopts[opt_idx].name, "txrst")) {
 895                                 n = atoi(optarg);
 896                                 if (n >= 0)
 897                                         tx_rs_thresh = (int16_t)n;
 898                                 else
 899                                         rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
 900                         }
 901                         if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
 902                                 char *end = NULL;
 903                                 n = strtoul(optarg, &end, 16);
 904                                 if (n >= 0)
 905                                         txq_flags = (int32_t)n;
 906                                 else
 907                                         rte_exit(EXIT_FAILURE,
 908                                                  "txqflags must be >= 0\n");
 909                         }
 910                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 911                                 n = atoi(optarg);
 912                                 if (n > 0) {
 913                                         if (rx_free_thresh >= n)
 914                                                 rte_exit(EXIT_FAILURE,
 915                                                          "rxd must be > "
 916                                                          "rx_free_thresh(%d)\n",
 917                                                          (int)rx_free_thresh);
 918                                         else
 919                                                 nb_rxd = (uint16_t) n;
 920                                 } else
 921                                         rte_exit(EXIT_FAILURE,
 922                                                  "rxd(%d) invalid - must be > 0\n",
 923                                                  n);
 924                         }
 925                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 926                                 n = atoi(optarg);
 927                                 if (n > 0)
 928                                         nb_txd = (uint16_t) n;
 929                                 else
 930                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 931                         }
 932                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 933                                 n = atoi(optarg);
 934                                 if (n >= 0)
 935                                         tx_pthresh = (int8_t)n;
 936                                 else
 937                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 938                         }
 939                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 940                                 n = atoi(optarg);
 941                                 if (n >= 0)
 942                                         tx_hthresh = (int8_t)n;
 943                                 else
 944                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 945                         }
 946                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 947                                 n = atoi(optarg);
 948                                 if (n >= 0)
 949                                         tx_wthresh = (int8_t)n;
 950                                 else
 951                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 952                         }
 953                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 954                                 n = atoi(optarg);
 955                                 if (n >= 0)
 956                                         rx_pthresh = (int8_t)n;
 957                                 else
 958                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
 959                         }
 960                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
 961                                 n = atoi(optarg);
 962                                 if (n >= 0)
 963                                         rx_hthresh = (int8_t)n;
 964                                 else
 965                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
 966                         }
 967                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
 968                                 n = atoi(optarg);
 969                                 if (n >= 0)
 970                                         rx_wthresh = (int8_t)n;
 971                                 else
 972                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
 973                         }
 974                         if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
 975                                 n = atoi(optarg);
 976                                 if (n >= 0)
 977                                         rx_free_thresh = (int16_t)n;
 978                                 else
 979                                         rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
 980                         }
 981                         if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
 982                                 if (parse_queue_stats_mapping_config(optarg, TX)) {
 983                                         rte_exit(EXIT_FAILURE,
 984                                                  "invalid TX queue statistics mapping config entered\n");
 985                                 }
 986                         }
 987                         if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
 988                                 if (parse_queue_stats_mapping_config(optarg, RX)) {
 989                                         rte_exit(EXIT_FAILURE,
 990                                                  "invalid RX queue statistics mapping config entered\n");
 991                                 }
 992                         }
 993                         if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
 994                                 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
 995                                 unsigned int nb_segs;
 996
 997                                 nb_segs = parse_item_list(optarg, "txpkt segments",
 998                                                 RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
 999                                 if (nb_segs > 0)
1000                                         set_tx_pkt_segments(seg_lengths, nb_segs);
1001                                 else
1002                                         rte_exit(EXIT_FAILURE, "bad txpkts\n");
1003                         }
1004                         if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1005                                 no_flush_rx = 1;
1006                         if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1007                                 no_link_check = 1;
1008                         if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1009                                 lsc_interrupt = 0;
1010                         if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1011                                 rmv_interrupt = 0;
1012
1013                         break;
1014                 case 'h':
1015                         usage(argv[0]);
1016                         rte_exit(EXIT_SUCCESS, "Displayed help\n");
1017                         break;
1018                 default:
1019                         usage(argv[0]);
1020                         rte_exit(EXIT_FAILURE,
1021                                  "Command line is incomplete or incorrect\n");
1022                         break;
1023                 }
1024         }
1025 }