app/test-pmd/parameters.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 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_tailq.h>
  62 #include <rte_eal.h>
  63 #include <rte_per_lcore.h>
  64 #include <rte_lcore.h>
  65 #include <rte_atomic.h>
  66 #include <rte_branch_prediction.h>
  67 #include <rte_ring.h>
  68 #include <rte_mempool.h>
  69 #include <rte_interrupts.h>
  70 #include <rte_pci.h>
  71 #include <rte_ether.h>
  72 #include <rte_ethdev.h>
  73 #include <rte_string_fns.h>
  74 #ifdef RTE_LIBRTE_CMDLINE
  75 #include <cmdline_parse.h>
  76 #include <cmdline_parse_etheraddr.h>
  77 #endif
  78
  79 #include "testpmd.h"
  80
  81 static void
  82 usage(char* progname)
  83 {
  84         printf("usage: %s "
  85 #ifdef RTE_LIBRTE_CMDLINE
  86                "[--interactive|-i] "
  87 #endif
  88                "[--help|-h] | [--auto-start|-a] | ["
  89                "--coremask=COREMASK --portmask=PORTMASK --numa "
  90                "--mbuf-size= | --total-num-mbufs= | "
  91                "--nb-cores= | --nb-ports= | "
  92 #ifdef RTE_LIBRTE_CMDLINE
  93                "--eth-peers-configfile= | "
  94                "--eth-peer=X,M:M:M:M:M:M | "
  95 #endif
  96                "--pkt-filter-mode= |"
  97                "--rss-ip | --rss-udp | "
  98                "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
  99                "--txpt= | --txht= | --txwt= | --txfreet= | "
 100                "--txrst= | --txqflags= ]\n",
 101                progname);
 102 #ifdef RTE_LIBRTE_CMDLINE
 103         printf("  --interactive: run in interactive mode.\n");
 104 #endif
 105         printf("  --auto-start: start forwarding on init "
 106                "[always when non-interactive].\n");
 107         printf("  --help: display this message and quit.\n");
 108         printf("  --nb-cores=N: set the number of forwarding cores "
 109                "(1 <= N <= %d).\n", nb_lcores);
 110         printf("  --nb-ports=N: set the number of forwarding ports "
 111                "(1 <= N <= %d).\n", nb_ports);
 112         printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
 113                "the packet forwarding test. The master lcore is reserved for "
 114                "command line parsing only, and cannot be masked on for "
 115                "packet forwarding.\n");
 116         printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
 117                "by the packet forwarding test.\n");
 118         printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
 119                "RX memory buffers (mbufs).\n");
 120         printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
 121                "specify the socket on which the memory pool "
 122                "used by the port will be allocated.\n");
 123         printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
 124                "specify the socket on which the TX/RX rings for "
 125                "the port will be allocated "
 126                "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
 127         printf("  --socket-num=N: set socket from which all memory is allocated "
 128                "in NUMA mode.\n");
 129         printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
 130         printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
 131                "in mbuf pools.\n");
 132         printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
 133 #ifdef RTE_LIBRTE_CMDLINE
 134         printf("  --eth-peers-configfile=name: config file with ethernet addresses "
 135                "of peer ports.\n");
 136         printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
 137                "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
 138 #endif
 139         printf("  --pkt-filter-mode=N: set Flow Director mode "
 140                "(N: none (default mode) or signature or perfect).\n");
 141         printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
 142                "(N: none  or match (default) or always).\n");
 143         printf("  --pkt-filter-size=N: set Flow Director mode "
 144                "(N: 64K (default mode) or 128K or 256K).\n");
 145         printf("  --pkt-filter-flexbytes-offset=N: set flexbytes-offset. "
 146                "The offset is defined in word units counted from the "
 147                "first byte of the destination Ethernet MAC address. "
 148                "0 <= N <= 32.\n");
 149         printf("  --pkt-filter-drop-queue=N: set drop-queue. "
 150                "In perfect mode, when you add a rule with queue = -1 "
 151                "the packet will be enqueued into the rx drop-queue. "
 152                "If the drop-queue doesn't exist, the packet is dropped. "
 153                "By default drop-queue=127.\n");
 154         printf("  --crc-strip: enable CRC stripping by hardware.\n");
 155         printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
 156         printf("  --disable-hw-vlan: disable hardware vlan.\n");
 157         printf("  --enable-drop-en: enable per queue packet drop.\n");
 158         printf("  --disable-rss: disable rss.\n");
 159         printf("  --port-topology=N: set port topology (N: paired (default) or "
 160                "chained).\n");
 161         printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
 162                list_pkt_forwarding_modes());
 163         printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
 164         printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
 165         printf("  --rxq=N: set the number of RX queues per port to N.\n");
 166         printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
 167         printf("  --txq=N: set the number of TX queues per port to N.\n");
 168         printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
 169         printf("  --burst=N: set the number of packets per burst to N.\n");
 170         printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
 171         printf("  --rxpt=N: set prefetch threshold register of RX rings to N "
 172                "(0 <= N <= 16).\n");
 173         printf("  --rxht=N: set the host threshold register of RX rings to N "
 174                "(0 <= N <= 16).\n");
 175         printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
 176                "(0 <= N < value of rxd).\n");
 177         printf("  --rxwt=N: set the write-back threshold register of RX rings "
 178                "to N (0 <= N <= 16).\n");
 179         printf("  --txpt=N: set the prefetch threshold register of TX rings "
 180                "to N (0 <= N <= 16).\n");
 181         printf("  --txht=N: set the nhost threshold register of TX rings to N "
 182                "(0 <= N <= 16).\n");
 183         printf("  --txwt=N: set the write-back threshold register of TX rings "
 184                "to N (0 <= N <= 16).\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.\n");
 200 }
 201
 202 #ifdef RTE_LIBRTE_CMDLINE
 203 static int
 204 init_peer_eth_addrs(char *config_filename)
 205 {
 206         FILE *config_file;
 207         portid_t i;
 208         char buf[50];
 209
 210         config_file = fopen(config_filename, "r");
 211         if (config_file == NULL) {
 212                 perror("Failed to open eth config file\n");
 213                 return -1;
 214         }
 215
 216         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 217
 218                 if (fgets(buf, sizeof(buf), config_file) == NULL)
 219                         break;
 220
 221                 if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i]) < 0 ){
 222                         printf("Bad MAC address format on line %d\n", i+1);
 223                         fclose(config_file);
 224                         return -1;
 225                 }
 226         }
 227         fclose(config_file);
 228         nb_peer_eth_addrs = (portid_t) i;
 229         return 0;
 230 }
 231 #endif
 232
 233 /*
 234  * Parse the coremask given as argument (hexadecimal string) and set
 235  * the global configuration of forwarding cores.
 236  */
 237 static void
 238 parse_fwd_coremask(const char *coremask)
 239 {
 240         char *end;
 241         unsigned long long int cm;
 242
 243         /* parse hexadecimal string */
 244         end = NULL;
 245         cm = strtoull(coremask, &end, 16);
 246         if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
 247                 rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
 248         else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
 249                 rte_exit(EXIT_FAILURE, "coremask is not valid\n");
 250 }
 251
 252 /*
 253  * Parse the coremask given as argument (hexadecimal string) and set
 254  * the global configuration of forwarding cores.
 255  */
 256 static void
 257 parse_fwd_portmask(const char *portmask)
 258 {
 259         char *end;
 260         unsigned long long int pm;
 261
 262         /* parse hexadecimal string */
 263         end = NULL;
 264         pm = strtoull(portmask, &end, 16);
 265         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 266                 rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
 267         else
 268                 set_fwd_ports_mask((uint64_t) pm);
 269 }
 270
 271
 272 static int
 273 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
 274 {
 275         char s[256];
 276         const char *p, *p0 = q_arg;
 277         char *end;
 278         enum fieldnames {
 279                 FLD_PORT = 0,
 280                 FLD_QUEUE,
 281                 FLD_STATS_COUNTER,
 282                 _NUM_FLD
 283         };
 284         unsigned long int_fld[_NUM_FLD];
 285         char *str_fld[_NUM_FLD];
 286         int i;
 287         unsigned size;
 288
 289         /* reset from value set at definition */
 290         is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
 291
 292         while ((p = strchr(p0,'(')) != NULL) {
 293                 ++p;
 294                 if((p0 = strchr(p,')')) == NULL)
 295                         return -1;
 296
 297                 size = p0 - p;
 298                 if(size >= sizeof(s))
 299                         return -1;
 300
 301                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 302                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 303                         return -1;
 304                 for (i = 0; i < _NUM_FLD; i++){
 305                         errno = 0;
 306                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 307                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 308                                 return -1;
 309                 }
 310                 /* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
 311                 if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
 312                         printf("Stats counter not in the correct range 0..%d\n",
 313                                         RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 314                         return -1;
 315                 }
 316
 317                 if (is_rx ? (nb_rx_queue_stats_mappings >= MAX_RX_QUEUE_STATS_MAPPINGS) :
 318                     (nb_tx_queue_stats_mappings >= MAX_TX_QUEUE_STATS_MAPPINGS)) {
 319                         printf("exceeded max number of %s queue statistics mappings: %hu\n",
 320                                is_rx ? "RX" : "TX",
 321                                is_rx ? nb_rx_queue_stats_mappings : nb_tx_queue_stats_mappings);
 322                         return -1;
 323                 }
 324                 if (!is_rx) {
 325                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
 326                                 (uint8_t)int_fld[FLD_PORT];
 327                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
 328                                 (uint8_t)int_fld[FLD_QUEUE];
 329                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
 330                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 331                         ++nb_tx_queue_stats_mappings;
 332                 }
 333                 else {
 334                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
 335                                 (uint8_t)int_fld[FLD_PORT];
 336                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
 337                                 (uint8_t)int_fld[FLD_QUEUE];
 338                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
 339                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 340                         ++nb_rx_queue_stats_mappings;
 341                 }
 342
 343         }
 344 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
 345 /* than to the default array (that was set at its definition) */
 346         is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
 347                 (tx_queue_stats_mappings = tx_queue_stats_mappings_array);
 348         return 0;
 349 }
 350
 351 static int
 352 parse_portnuma_config(const char *q_arg)
 353 {
 354         char s[256];
 355         const char *p, *p0 = q_arg;
 356         char *end;
 357         uint8_t i,port_id,socket_id;
 358         unsigned size;
 359         enum fieldnames {
 360                 FLD_PORT = 0,
 361                 FLD_SOCKET,
 362                 _NUM_FLD
 363         };
 364         unsigned long int_fld[_NUM_FLD];
 365         char *str_fld[_NUM_FLD];
 366
 367         /* reset from value set at definition */
 368         while ((p = strchr(p0,'(')) != NULL) {
 369                 ++p;
 370                 if((p0 = strchr(p,')')) == NULL)
 371                         return -1;
 372
 373                 size = p0 - p;
 374                 if(size >= sizeof(s))
 375                         return -1;
 376
 377                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 378                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 379                         return -1;
 380                 for (i = 0; i < _NUM_FLD; i++) {
 381                         errno = 0;
 382                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 383                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 384                                 return -1;
 385                 }
 386                 port_id = (uint8_t)int_fld[FLD_PORT];
 387                 if (port_id >= nb_ports) {
 388                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 389                         return -1;
 390                 }
 391                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 392                 if(socket_id >= MAX_SOCKET) {
 393                         printf("Invalid socket id, range is [0, %d]\n",
 394                                  MAX_SOCKET - 1);
 395                         return -1;
 396                 }
 397                 port_numa[port_id] = socket_id;
 398         }
 399
 400         return 0;
 401 }
 402
 403 static int
 404 parse_ringnuma_config(const char *q_arg)
 405 {
 406         char s[256];
 407         const char *p, *p0 = q_arg;
 408         char *end;
 409         uint8_t i,port_id,ring_flag,socket_id;
 410         unsigned size;
 411         enum fieldnames {
 412                 FLD_PORT = 0,
 413                 FLD_FLAG,
 414                 FLD_SOCKET,
 415                 _NUM_FLD
 416         };
 417         unsigned long int_fld[_NUM_FLD];
 418         char *str_fld[_NUM_FLD];
 419         #define RX_RING_ONLY 0x1
 420         #define TX_RING_ONLY 0x2
 421         #define RXTX_RING    0x3
 422
 423         /* reset from value set at definition */
 424         while ((p = strchr(p0,'(')) != NULL) {
 425                 ++p;
 426                 if((p0 = strchr(p,')')) == NULL)
 427                         return -1;
 428
 429                 size = p0 - p;
 430                 if(size >= sizeof(s))
 431                         return -1;
 432
 433                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 434                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 435                         return -1;
 436                 for (i = 0; i < _NUM_FLD; i++) {
 437                         errno = 0;
 438                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 439                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 440                                 return -1;
 441                 }
 442                 port_id = (uint8_t)int_fld[FLD_PORT];
 443                 if (port_id >= nb_ports) {
 444                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 445                         return -1;
 446                 }
 447                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 448                 if (socket_id >= MAX_SOCKET) {
 449                         printf("Invalid socket id, range is [0, %d]\n",
 450                                 MAX_SOCKET - 1);
 451                         return -1;
 452                 }
 453                 ring_flag = (uint8_t)int_fld[FLD_FLAG];
 454                 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
 455                         printf("Invalid ring-flag=%d config for port =%d\n",
 456                                 ring_flag,port_id);
 457                         return -1;
 458                 }
 459
 460                 switch (ring_flag & RXTX_RING) {
 461                 case RX_RING_ONLY:
 462                         rxring_numa[port_id] = socket_id;
 463                         break;
 464                 case TX_RING_ONLY:
 465                         txring_numa[port_id] = socket_id;
 466                         break;
 467                 case RXTX_RING:
 468                         rxring_numa[port_id] = socket_id;
 469                         txring_numa[port_id] = socket_id;
 470                         break;
 471                 default:
 472                         printf("Invalid ring-flag=%d config for port=%d\n",
 473                                 ring_flag,port_id);
 474                         break;
 475                 }
 476         }
 477
 478         return 0;
 479 }
 480
 481 static unsigned int
 482 parse_item_list(char* str, unsigned int max_items, unsigned int *parsed_items)
 483 {
 484         unsigned int nb_item;
 485         unsigned int value;
 486         unsigned int i;
 487         int value_ok;
 488         char c;
 489
 490         /*
 491          * First parse all items in the list and store their value.
 492          */
 493         value = 0;
 494         nb_item = 0;
 495         value_ok = 0;
 496         for (i = 0; i < strlen(str); i++) {
 497                 c = str[i];
 498                 if ((c >= '0') && (c <= '9')) {
 499                         value = (unsigned int) (value * 10 + (c - '0'));
 500                         value_ok = 1;
 501                         continue;
 502                 }
 503                 if (c != ',') {
 504                         printf("character %c is not a decimal digit\n", c);
 505                         return (0);
 506                 }
 507                 if (! value_ok) {
 508                         printf("No valid value before comma\n");
 509                         return (0);
 510                 }
 511                 if (nb_item < max_items) {
 512                         parsed_items[nb_item] = value;
 513                         value_ok = 0;
 514                         value = 0;
 515                 }
 516                 nb_item++;
 517         }
 518
 519         if (nb_item >= max_items)
 520                 rte_exit(EXIT_FAILURE, "too many txpkt segments!\n");
 521
 522         parsed_items[nb_item++] = value;
 523
 524         return (nb_item);
 525 }
 526
 527 void
 528 launch_args_parse(int argc, char** argv)
 529 {
 530         int n, opt;
 531         char **argvopt;
 532         int opt_idx;
 533         enum { TX, RX };
 534
 535         static struct option lgopts[] = {
 536                 { "help",                       0, 0, 0 },
 537 #ifdef RTE_LIBRTE_CMDLINE
 538                 { "interactive",                0, 0, 0 },
 539                 { "auto-start",                 0, 0, 0 },
 540                 { "eth-peers-configfile",       1, 0, 0 },
 541                 { "eth-peer",                   1, 0, 0 },
 542 #endif
 543                 { "ports",                      1, 0, 0 },
 544                 { "nb-cores",                   1, 0, 0 },
 545                 { "nb-ports",                   1, 0, 0 },
 546                 { "coremask",                   1, 0, 0 },
 547                 { "portmask",                   1, 0, 0 },
 548                 { "numa",                       0, 0, 0 },
 549                 { "mp-anon",                    0, 0, 0 },
 550                 { "port-numa-config",           1, 0, 0 },
 551                 { "ring-numa-config",           1, 0, 0 },
 552                 { "socket-num",                 1, 0, 0 },
 553                 { "mbuf-size",                  1, 0, 0 },
 554                 { "total-num-mbufs",            1, 0, 0 },
 555                 { "max-pkt-len",                1, 0, 0 },
 556                 { "pkt-filter-mode",            1, 0, 0 },
 557                 { "pkt-filter-report-hash",     1, 0, 0 },
 558                 { "pkt-filter-size",            1, 0, 0 },
 559                 { "pkt-filter-flexbytes-offset",1, 0, 0 },
 560                 { "pkt-filter-drop-queue",      1, 0, 0 },
 561                 { "crc-strip",                  0, 0, 0 },
 562                 { "enable-rx-cksum",            0, 0, 0 },
 563                 { "disable-hw-vlan",            0, 0, 0 },
 564                 { "enable-drop-en",            0, 0, 0 },
 565                 { "disable-rss",                0, 0, 0 },
 566                 { "port-topology",              1, 0, 0 },
 567                 { "forward-mode",               1, 0, 0 },
 568                 { "rss-ip",                     0, 0, 0 },
 569                 { "rss-udp",                    0, 0, 0 },
 570                 { "rxq",                        1, 0, 0 },
 571                 { "txq",                        1, 0, 0 },
 572                 { "rxd",                        1, 0, 0 },
 573                 { "txd",                        1, 0, 0 },
 574                 { "burst",                      1, 0, 0 },
 575                 { "mbcache",                    1, 0, 0 },
 576                 { "txpt",                       1, 0, 0 },
 577                 { "txht",                       1, 0, 0 },
 578                 { "txwt",                       1, 0, 0 },
 579                 { "txfreet",                    1, 0, 0 },
 580                 { "txrst",                      1, 0, 0 },
 581                 { "txqflags",                   1, 0, 0 },
 582                 { "rxpt",                       1, 0, 0 },
 583                 { "rxht",                       1, 0, 0 },
 584                 { "rxwt",                       1, 0, 0 },
 585                 { "rxfreet",                    1, 0, 0 },
 586                 { "tx-queue-stats-mapping",     1, 0, 0 },
 587                 { "rx-queue-stats-mapping",     1, 0, 0 },
 588                 { "no-flush-rx",        0, 0, 0 },
 589                 { "txpkts",                     1, 0, 0 },
 590                 { 0, 0, 0, 0 },
 591         };
 592
 593         argvopt = argv;
 594
 595 #ifdef RTE_LIBRTE_CMDLINE
 596 #define SHORTOPTS "i"
 597 #else
 598 #define SHORTOPTS ""
 599 #endif
 600         while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
 601                                  lgopts, &opt_idx)) != EOF) {
 602                 switch (opt) {
 603 #ifdef RTE_LIBRTE_CMDLINE
 604                 case 'i':
 605                         printf("Interactive-mode selected\n");
 606                         interactive = 1;
 607                         break;
 608 #endif
 609                 case 'a':
 610                         printf("Auto-start selected\n");
 611                         auto_start = 1;
 612                         break;
 613
 614                 case 0: /*long options */
 615                         if (!strcmp(lgopts[opt_idx].name, "help")) {
 616                                 usage(argv[0]);
 617                                 rte_exit(EXIT_SUCCESS, "Displayed help\n");
 618                         }
 619 #ifdef RTE_LIBRTE_CMDLINE
 620                         if (!strcmp(lgopts[opt_idx].name, "interactive")) {
 621                                 printf("Interactive-mode selected\n");
 622                                 interactive = 1;
 623                         }
 624                         if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
 625                                 printf("Auto-start selected\n");
 626                                 auto_start = 1;
 627                         }
 628                         if (!strcmp(lgopts[opt_idx].name,
 629                                     "eth-peers-configfile")) {
 630                                 if (init_peer_eth_addrs(optarg) != 0)
 631                                         rte_exit(EXIT_FAILURE,
 632                                                  "Cannot open logfile\n");
 633                         }
 634                         if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
 635                                 char *port_end;
 636                                 uint8_t c, peer_addr[6];
 637
 638                                 errno = 0;
 639                                 n = strtoul(optarg, &port_end, 10);
 640                                 if (errno != 0 || port_end == optarg || *port_end++ != ',')
 641                                         rte_exit(EXIT_FAILURE,
 642                                                  "Invalid eth-peer: %s", optarg);
 643                                 if (n >= RTE_MAX_ETHPORTS)
 644                                         rte_exit(EXIT_FAILURE,
 645                                                  "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 646                                                  n, RTE_MAX_ETHPORTS);
 647
 648                                 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr) < 0 )
 649                                         rte_exit(EXIT_FAILURE,
 650                                                  "Invalid ethernet address: %s\n",
 651                                                  port_end);
 652                                 for (c = 0; c < 6; c++)
 653                                         peer_eth_addrs[n].addr_bytes[c] =
 654                                                 peer_addr[c];
 655                                 nb_peer_eth_addrs++;
 656                         }
 657 #endif
 658                         if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
 659                                 n = atoi(optarg);
 660                                 if (n > 0 && n <= nb_ports)
 661                                         nb_fwd_ports = (uint8_t) n;
 662                                 else
 663                                         rte_exit(EXIT_FAILURE,
 664                                                  "nb-ports should be > 0 and <= %d\n",
 665                                                  nb_ports);
 666                         }
 667                         if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
 668                                 n = atoi(optarg);
 669                                 if (n > 0 && n <= nb_lcores)
 670                                         nb_fwd_lcores = (uint8_t) n;
 671                                 else
 672                                         rte_exit(EXIT_FAILURE,
 673                                                  "nb-cores should be > 0 and <= %d\n",
 674                                                  nb_lcores);
 675                         }
 676                         if (!strcmp(lgopts[opt_idx].name, "coremask"))
 677                                 parse_fwd_coremask(optarg);
 678                         if (!strcmp(lgopts[opt_idx].name, "portmask"))
 679                                 parse_fwd_portmask(optarg);
 680                         if (!strcmp(lgopts[opt_idx].name, "numa")) {
 681                                 numa_support = 1;
 682                                 memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 683                                 memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 684                                 memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 685                         }
 686                         if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
 687                                 mp_anon = 1;
 688                         }
 689                         if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
 690                                 if (parse_portnuma_config(optarg))
 691                                         rte_exit(EXIT_FAILURE,
 692                                            "invalid port-numa configuration\n");
 693                         }
 694                         if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
 695                                 if (parse_ringnuma_config(optarg))
 696                                         rte_exit(EXIT_FAILURE,
 697                                            "invalid ring-numa configuration\n");
 698                         if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
 699                                 n = atoi(optarg);
 700                                 if(n < MAX_SOCKET)
 701                                         socket_num = (uint8_t)n;
 702                                 else
 703                                         rte_exit(EXIT_FAILURE,
 704                                                 "The socket number should be < %d\n",
 705                                                 MAX_SOCKET);
 706                         }
 707                         if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
 708                                 n = atoi(optarg);
 709                                 if (n > 0 && n <= 0xFFFF)
 710                                         mbuf_data_size = (uint16_t) n;
 711                                 else
 712                                         rte_exit(EXIT_FAILURE,
 713                                                  "mbuf-size should be > 0 and < 65536\n");
 714                         }
 715                         if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
 716                                 n = atoi(optarg);
 717                                 if (n > 1024)
 718                                         param_total_num_mbufs = (unsigned)n;
 719                                 else
 720                                         rte_exit(EXIT_FAILURE,
 721                                                  "total-num-mbufs should be > 1024\n");
 722                         }
 723                         if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
 724                                 n = atoi(optarg);
 725                                 if (n >= ETHER_MIN_LEN) {
 726                                         rx_mode.max_rx_pkt_len = (uint32_t) n;
 727                                         if (n > ETHER_MAX_LEN)
 728                                             rx_mode.jumbo_frame = 1;
 729                                 } else
 730                                         rte_exit(EXIT_FAILURE,
 731                                                  "Invalid max-pkt-len=%d - should be > %d\n",
 732                                                  n, ETHER_MIN_LEN);
 733                         }
 734                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
 735                                 if (!strcmp(optarg, "signature"))
 736                                         fdir_conf.mode =
 737                                                 RTE_FDIR_MODE_SIGNATURE;
 738                                 else if (!strcmp(optarg, "perfect"))
 739                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
 740                                 else if (!strcmp(optarg, "none"))
 741                                         fdir_conf.mode = RTE_FDIR_MODE_NONE;
 742                                 else
 743                                         rte_exit(EXIT_FAILURE,
 744                                                  "pkt-mode-invalid %s invalid - must be: "
 745                                                  "none, signature or perfect\n",
 746                                                  optarg);
 747                         }
 748                         if (!strcmp(lgopts[opt_idx].name,
 749                                     "pkt-filter-report-hash")) {
 750                                 if (!strcmp(optarg, "none"))
 751                                         fdir_conf.status =
 752                                                 RTE_FDIR_NO_REPORT_STATUS;
 753                                 else if (!strcmp(optarg, "match"))
 754                                         fdir_conf.status =
 755                                                 RTE_FDIR_REPORT_STATUS;
 756                                 else if (!strcmp(optarg, "always"))
 757                                         fdir_conf.status =
 758                                                 RTE_FDIR_REPORT_STATUS_ALWAYS;
 759                                 else
 760                                         rte_exit(EXIT_FAILURE,
 761                                                  "pkt-filter-report-hash %s invalid "
 762                                                  "- must be: none or match or always\n",
 763                                                  optarg);
 764                         }
 765                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
 766                                 if (!strcmp(optarg, "64K"))
 767                                         fdir_conf.pballoc =
 768                                                 RTE_FDIR_PBALLOC_64K;
 769                                 else if (!strcmp(optarg, "128K"))
 770                                         fdir_conf.pballoc =
 771                                                 RTE_FDIR_PBALLOC_128K;
 772                                 else if (!strcmp(optarg, "256K"))
 773                                         fdir_conf.pballoc =
 774                                                 RTE_FDIR_PBALLOC_256K;
 775                                 else
 776                                         rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
 777                                                  " must be: 64K or 128K or 256K\n",
 778                                                  optarg);
 779                         }
 780                         if (!strcmp(lgopts[opt_idx].name,
 781                                     "pkt-filter-flexbytes-offset")) {
 782                                 n = atoi(optarg);
 783                                 if ( n >= 0 && n <= (int) 32)
 784                                         fdir_conf.flexbytes_offset =
 785                                                 (uint8_t) n;
 786                                 else
 787                                         rte_exit(EXIT_FAILURE,
 788                                                  "flexbytes %d invalid - must"
 789                                                  "be  >= 0 && <= 32\n", n);
 790                         }
 791                         if (!strcmp(lgopts[opt_idx].name,
 792                                     "pkt-filter-drop-queue")) {
 793                                 n = atoi(optarg);
 794                                 if (n >= 0)
 795                                         fdir_conf.drop_queue = (uint8_t) n;
 796                                 else
 797                                         rte_exit(EXIT_FAILURE,
 798                                                  "drop queue %d invalid - must"
 799                                                  "be >= 0 \n", n);
 800                         }
 801                         if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
 802                                 rx_mode.hw_strip_crc = 1;
 803                         if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
 804                                 rx_mode.hw_ip_checksum = 1;
 805
 806                         if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
 807                                 rx_mode.hw_vlan_filter = 0;
 808                                 rx_mode.hw_vlan_strip  = 0;
 809                                 rx_mode.hw_vlan_extend = 0;
 810                         }
 811
 812                         if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
 813                                 rx_drop_en = 1;
 814
 815                         if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
 816                                 rss_hf = 0;
 817                         if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
 818                                 if (!strcmp(optarg, "paired"))
 819                                         port_topology = PORT_TOPOLOGY_PAIRED;
 820                                 else if (!strcmp(optarg, "chained"))
 821                                         port_topology = PORT_TOPOLOGY_CHAINED;
 822                                 else if (!strcmp(optarg, "loop"))
 823                                         port_topology = PORT_TOPOLOGY_LOOP;
 824                                 else
 825                                         rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
 826                                                  " must be: paired or chained \n",
 827                                                  optarg);
 828                         }
 829                         if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
 830                                 set_pkt_forwarding_mode(optarg);
 831                         if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
 832                                 rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6;
 833                         if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
 834                                 rss_hf = ETH_RSS_IPV4 |
 835                                                 ETH_RSS_IPV6 | ETH_RSS_IPV4_UDP;
 836                         if (!strcmp(lgopts[opt_idx].name, "rxq")) {
 837                                 n = atoi(optarg);
 838                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 839                                         nb_rxq = (queueid_t) n;
 840                                 else
 841                                         rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
 842                                                   " >= 1 && <= %d\n", n,
 843                                                   (int) MAX_QUEUE_ID);
 844                         }
 845                         if (!strcmp(lgopts[opt_idx].name, "txq")) {
 846                                 n = atoi(optarg);
 847                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 848                                         nb_txq = (queueid_t) n;
 849                                 else
 850                                         rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
 851                                                   " >= 1 && <= %d\n", n,
 852                                                   (int) MAX_QUEUE_ID);
 853                         }
 854                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 855                                 n = atoi(optarg);
 856                                 if (n > 0)
 857                                         nb_rxd = (uint16_t) n;
 858                                 else
 859                                         rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
 860                         }
 861                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 862                                 n = atoi(optarg);
 863                                 if (n > 0)
 864                                         nb_txd = (uint16_t) n;
 865                                 else
 866                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\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, "txpt")) {
 888                                 n = atoi(optarg);
 889                                 if (n >= 0)
 890                                         tx_thresh.pthresh = (uint8_t)n;
 891                                 else
 892                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 893                         }
 894                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 895                                 n = atoi(optarg);
 896                                 if (n >= 0)
 897                                         tx_thresh.hthresh = (uint8_t)n;
 898                                 else
 899                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 900                         }
 901                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 902                                 n = atoi(optarg);
 903                                 if (n >= 0)
 904                                         tx_thresh.wthresh = (uint8_t)n;
 905                                 else
 906                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 907                         }
 908                         if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
 909                                 n = atoi(optarg);
 910                                 if (n >= 0)
 911                                         tx_free_thresh = (uint16_t)n;
 912                                 else
 913                                         rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
 914                         }
 915                         if (!strcmp(lgopts[opt_idx].name, "txrst")) {
 916                                 n = atoi(optarg);
 917                                 if (n >= 0)
 918                                         tx_rs_thresh = (uint16_t)n;
 919                                 else
 920                                         rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
 921                         }
 922                         if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
 923                                 char *end = NULL;
 924                                 n = strtoul(optarg, &end, 16);
 925                                 if (n >= 0)
 926                                         txq_flags = (uint32_t)n;
 927                                 else
 928                                         rte_exit(EXIT_FAILURE,
 929                                                  "txqflags must be >= 0\n");
 930                         }
 931                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 932                                 n = atoi(optarg);
 933                                 if (n >= 0)
 934                                         rx_thresh.pthresh = (uint8_t)n;
 935                                 else
 936                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
 937                         }
 938                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
 939                                 n = atoi(optarg);
 940                                 if (n >= 0)
 941                                         rx_thresh.hthresh = (uint8_t)n;
 942                                 else
 943                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
 944                         }
 945                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
 946                                 n = atoi(optarg);
 947                                 if (n >= 0)
 948                                         rx_thresh.wthresh = (uint8_t)n;
 949                                 else
 950                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
 951                         }
 952                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 953                                 n = atoi(optarg);
 954                                 if (n > 0) {
 955                                         if (rx_free_thresh >= n)
 956                                                 rte_exit(EXIT_FAILURE,
 957                                                          "rxd must be > "
 958                                                          "rx_free_thresh(%d)\n",
 959                                                          (int)rx_free_thresh);
 960                                         else
 961                                                 nb_rxd = (uint16_t) n;
 962                                 } else
 963                                         rte_exit(EXIT_FAILURE,
 964                                                  "rxd(%d) invalid - must be > 0\n",
 965                                                  n);
 966                         }
 967                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 968                                 n = atoi(optarg);
 969                                 if (n > 0)
 970                                         nb_txd = (uint16_t) n;
 971                                 else
 972                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 973                         }
 974                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 975                                 n = atoi(optarg);
 976                                 if (n >= 0)
 977                                         tx_thresh.pthresh = (uint8_t)n;
 978                                 else
 979                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 980                         }
 981                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 982                                 n = atoi(optarg);
 983                                 if (n >= 0)
 984                                         tx_thresh.hthresh = (uint8_t)n;
 985                                 else
 986                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 987                         }
 988                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 989                                 n = atoi(optarg);
 990                                 if (n >= 0)
 991                                         tx_thresh.wthresh = (uint8_t)n;
 992                                 else
 993                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 994                         }
 995                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 996                                 n = atoi(optarg);
 997                                 if (n >= 0)
 998                                         rx_thresh.pthresh = (uint8_t)n;
 999                                 else
1000                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1001                         }
1002                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1003                                 n = atoi(optarg);
1004                                 if (n >= 0)
1005                                         rx_thresh.hthresh = (uint8_t)n;
1006                                 else
1007                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1008                         }
1009                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1010                                 n = atoi(optarg);
1011                                 if (n >= 0)
1012                                         rx_thresh.wthresh = (uint8_t)n;
1013                                 else
1014                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1015                         }
1016                         if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1017                                 n = atoi(optarg);
1018                                 if (n >= 0)
1019                                         rx_free_thresh = (uint16_t)n;
1020                                 else
1021                                         rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1022                         }
1023                         if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1024                                 if (parse_queue_stats_mapping_config(optarg, TX)) {
1025                                         rte_exit(EXIT_FAILURE,
1026                                                  "invalid TX queue statistics mapping config entered\n");
1027                                 }
1028                         }
1029                         if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1030                                 if (parse_queue_stats_mapping_config(optarg, RX)) {
1031                                         rte_exit(EXIT_FAILURE,
1032                                                  "invalid RX queue statistics mapping config entered\n");
1033                                 }
1034                         }
1035                         if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1036                                 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1037                                 unsigned int nb_segs;
1038
1039                                 nb_segs = parse_item_list(optarg, RTE_MAX_SEGS_PER_PKT, seg_lengths);
1040                                 if (nb_segs > 0)
1041                                         set_tx_pkt_segments(seg_lengths, nb_segs);
1042                                 else
1043                                         rte_exit(EXIT_FAILURE, "bad txpkts\n");
1044                         }
1045                         if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1046                                 no_flush_rx = 1;
1047
1048                         break;
1049                 case 'h':
1050                         usage(argv[0]);
1051                         rte_exit(EXIT_SUCCESS, "Displayed help\n");
1052                         break;
1053                 default:
1054                         usage(argv[0]);
1055                         rte_exit(EXIT_FAILURE,
1056                                  "Command line is incomplete or incorrect\n");
1057                         break;
1058                 }
1059         }
1060 }