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         printf("  --disable-link-check: disable check on link status when "
 201                "starting/stopping ports.\n");
 202 }
 203
 204 #ifdef RTE_LIBRTE_CMDLINE
 205 static int
 206 init_peer_eth_addrs(char *config_filename)
 207 {
 208         FILE *config_file;
 209         portid_t i;
 210         char buf[50];
 211
 212         config_file = fopen(config_filename, "r");
 213         if (config_file == NULL) {
 214                 perror("Failed to open eth config file\n");
 215                 return -1;
 216         }
 217
 218         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 219
 220                 if (fgets(buf, sizeof(buf), config_file) == NULL)
 221                         break;
 222
 223                 if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i]) < 0 ){
 224                         printf("Bad MAC address format on line %d\n", i+1);
 225                         fclose(config_file);
 226                         return -1;
 227                 }
 228         }
 229         fclose(config_file);
 230         nb_peer_eth_addrs = (portid_t) i;
 231         return 0;
 232 }
 233 #endif
 234
 235 /*
 236  * Parse the coremask given as argument (hexadecimal string) and set
 237  * the global configuration of forwarding cores.
 238  */
 239 static void
 240 parse_fwd_coremask(const char *coremask)
 241 {
 242         char *end;
 243         unsigned long long int cm;
 244
 245         /* parse hexadecimal string */
 246         end = NULL;
 247         cm = strtoull(coremask, &end, 16);
 248         if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
 249                 rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
 250         else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
 251                 rte_exit(EXIT_FAILURE, "coremask is not valid\n");
 252 }
 253
 254 /*
 255  * Parse the coremask given as argument (hexadecimal string) and set
 256  * the global configuration of forwarding cores.
 257  */
 258 static void
 259 parse_fwd_portmask(const char *portmask)
 260 {
 261         char *end;
 262         unsigned long long int pm;
 263
 264         /* parse hexadecimal string */
 265         end = NULL;
 266         pm = strtoull(portmask, &end, 16);
 267         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 268                 rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
 269         else
 270                 set_fwd_ports_mask((uint64_t) pm);
 271 }
 272
 273
 274 static int
 275 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
 276 {
 277         char s[256];
 278         const char *p, *p0 = q_arg;
 279         char *end;
 280         enum fieldnames {
 281                 FLD_PORT = 0,
 282                 FLD_QUEUE,
 283                 FLD_STATS_COUNTER,
 284                 _NUM_FLD
 285         };
 286         unsigned long int_fld[_NUM_FLD];
 287         char *str_fld[_NUM_FLD];
 288         int i;
 289         unsigned size;
 290
 291         /* reset from value set at definition */
 292         is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
 293
 294         while ((p = strchr(p0,'(')) != NULL) {
 295                 ++p;
 296                 if((p0 = strchr(p,')')) == NULL)
 297                         return -1;
 298
 299                 size = p0 - p;
 300                 if(size >= sizeof(s))
 301                         return -1;
 302
 303                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 304                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 305                         return -1;
 306                 for (i = 0; i < _NUM_FLD; i++){
 307                         errno = 0;
 308                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 309                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 310                                 return -1;
 311                 }
 312                 /* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
 313                 if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
 314                         printf("Stats counter not in the correct range 0..%d\n",
 315                                         RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 316                         return -1;
 317                 }
 318
 319                 if (is_rx ? (nb_rx_queue_stats_mappings >= MAX_RX_QUEUE_STATS_MAPPINGS) :
 320                     (nb_tx_queue_stats_mappings >= MAX_TX_QUEUE_STATS_MAPPINGS)) {
 321                         printf("exceeded max number of %s queue statistics mappings: %hu\n",
 322                                is_rx ? "RX" : "TX",
 323                                is_rx ? nb_rx_queue_stats_mappings : nb_tx_queue_stats_mappings);
 324                         return -1;
 325                 }
 326                 if (!is_rx) {
 327                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
 328                                 (uint8_t)int_fld[FLD_PORT];
 329                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
 330                                 (uint8_t)int_fld[FLD_QUEUE];
 331                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
 332                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 333                         ++nb_tx_queue_stats_mappings;
 334                 }
 335                 else {
 336                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
 337                                 (uint8_t)int_fld[FLD_PORT];
 338                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
 339                                 (uint8_t)int_fld[FLD_QUEUE];
 340                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
 341                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 342                         ++nb_rx_queue_stats_mappings;
 343                 }
 344
 345         }
 346 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
 347 /* than to the default array (that was set at its definition) */
 348         is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
 349                 (tx_queue_stats_mappings = tx_queue_stats_mappings_array);
 350         return 0;
 351 }
 352
 353 static int
 354 parse_portnuma_config(const char *q_arg)
 355 {
 356         char s[256];
 357         const char *p, *p0 = q_arg;
 358         char *end;
 359         uint8_t i,port_id,socket_id;
 360         unsigned size;
 361         enum fieldnames {
 362                 FLD_PORT = 0,
 363                 FLD_SOCKET,
 364                 _NUM_FLD
 365         };
 366         unsigned long int_fld[_NUM_FLD];
 367         char *str_fld[_NUM_FLD];
 368
 369         /* reset from value set at definition */
 370         while ((p = strchr(p0,'(')) != NULL) {
 371                 ++p;
 372                 if((p0 = strchr(p,')')) == NULL)
 373                         return -1;
 374
 375                 size = p0 - p;
 376                 if(size >= sizeof(s))
 377                         return -1;
 378
 379                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 380                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 381                         return -1;
 382                 for (i = 0; i < _NUM_FLD; i++) {
 383                         errno = 0;
 384                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 385                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 386                                 return -1;
 387                 }
 388                 port_id = (uint8_t)int_fld[FLD_PORT];
 389                 if (port_id >= nb_ports) {
 390                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 391                         return -1;
 392                 }
 393                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 394                 if(socket_id >= MAX_SOCKET) {
 395                         printf("Invalid socket id, range is [0, %d]\n",
 396                                  MAX_SOCKET - 1);
 397                         return -1;
 398                 }
 399                 port_numa[port_id] = socket_id;
 400         }
 401
 402         return 0;
 403 }
 404
 405 static int
 406 parse_ringnuma_config(const char *q_arg)
 407 {
 408         char s[256];
 409         const char *p, *p0 = q_arg;
 410         char *end;
 411         uint8_t i,port_id,ring_flag,socket_id;
 412         unsigned size;
 413         enum fieldnames {
 414                 FLD_PORT = 0,
 415                 FLD_FLAG,
 416                 FLD_SOCKET,
 417                 _NUM_FLD
 418         };
 419         unsigned long int_fld[_NUM_FLD];
 420         char *str_fld[_NUM_FLD];
 421         #define RX_RING_ONLY 0x1
 422         #define TX_RING_ONLY 0x2
 423         #define RXTX_RING    0x3
 424
 425         /* reset from value set at definition */
 426         while ((p = strchr(p0,'(')) != NULL) {
 427                 ++p;
 428                 if((p0 = strchr(p,')')) == NULL)
 429                         return -1;
 430
 431                 size = p0 - p;
 432                 if(size >= sizeof(s))
 433                         return -1;
 434
 435                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 436                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 437                         return -1;
 438                 for (i = 0; i < _NUM_FLD; i++) {
 439                         errno = 0;
 440                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 441                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 442                                 return -1;
 443                 }
 444                 port_id = (uint8_t)int_fld[FLD_PORT];
 445                 if (port_id >= nb_ports) {
 446                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 447                         return -1;
 448                 }
 449                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 450                 if (socket_id >= MAX_SOCKET) {
 451                         printf("Invalid socket id, range is [0, %d]\n",
 452                                 MAX_SOCKET - 1);
 453                         return -1;
 454                 }
 455                 ring_flag = (uint8_t)int_fld[FLD_FLAG];
 456                 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
 457                         printf("Invalid ring-flag=%d config for port =%d\n",
 458                                 ring_flag,port_id);
 459                         return -1;
 460                 }
 461
 462                 switch (ring_flag & RXTX_RING) {
 463                 case RX_RING_ONLY:
 464                         rxring_numa[port_id] = socket_id;
 465                         break;
 466                 case TX_RING_ONLY:
 467                         txring_numa[port_id] = socket_id;
 468                         break;
 469                 case RXTX_RING:
 470                         rxring_numa[port_id] = socket_id;
 471                         txring_numa[port_id] = socket_id;
 472                         break;
 473                 default:
 474                         printf("Invalid ring-flag=%d config for port=%d\n",
 475                                 ring_flag,port_id);
 476                         break;
 477                 }
 478         }
 479
 480         return 0;
 481 }
 482
 483 static unsigned int
 484 parse_item_list(char* str, unsigned int max_items, unsigned int *parsed_items)
 485 {
 486         unsigned int nb_item;
 487         unsigned int value;
 488         unsigned int i;
 489         int value_ok;
 490         char c;
 491
 492         /*
 493          * First parse all items in the list and store their value.
 494          */
 495         value = 0;
 496         nb_item = 0;
 497         value_ok = 0;
 498         for (i = 0; i < strlen(str); i++) {
 499                 c = str[i];
 500                 if ((c >= '0') && (c <= '9')) {
 501                         value = (unsigned int) (value * 10 + (c - '0'));
 502                         value_ok = 1;
 503                         continue;
 504                 }
 505                 if (c != ',') {
 506                         printf("character %c is not a decimal digit\n", c);
 507                         return (0);
 508                 }
 509                 if (! value_ok) {
 510                         printf("No valid value before comma\n");
 511                         return (0);
 512                 }
 513                 if (nb_item < max_items) {
 514                         parsed_items[nb_item] = value;
 515                         value_ok = 0;
 516                         value = 0;
 517                 }
 518                 nb_item++;
 519         }
 520
 521         if (nb_item >= max_items)
 522                 rte_exit(EXIT_FAILURE, "too many txpkt segments!\n");
 523
 524         parsed_items[nb_item++] = value;
 525
 526         return (nb_item);
 527 }
 528
 529 void
 530 launch_args_parse(int argc, char** argv)
 531 {
 532         int n, opt;
 533         char **argvopt;
 534         int opt_idx;
 535         enum { TX, RX };
 536
 537         static struct option lgopts[] = {
 538                 { "help",                       0, 0, 0 },
 539 #ifdef RTE_LIBRTE_CMDLINE
 540                 { "interactive",                0, 0, 0 },
 541                 { "auto-start",                 0, 0, 0 },
 542                 { "eth-peers-configfile",       1, 0, 0 },
 543                 { "eth-peer",                   1, 0, 0 },
 544 #endif
 545                 { "ports",                      1, 0, 0 },
 546                 { "nb-cores",                   1, 0, 0 },
 547                 { "nb-ports",                   1, 0, 0 },
 548                 { "coremask",                   1, 0, 0 },
 549                 { "portmask",                   1, 0, 0 },
 550                 { "numa",                       0, 0, 0 },
 551                 { "mp-anon",                    0, 0, 0 },
 552                 { "port-numa-config",           1, 0, 0 },
 553                 { "ring-numa-config",           1, 0, 0 },
 554                 { "socket-num",                 1, 0, 0 },
 555                 { "mbuf-size",                  1, 0, 0 },
 556                 { "total-num-mbufs",            1, 0, 0 },
 557                 { "max-pkt-len",                1, 0, 0 },
 558                 { "pkt-filter-mode",            1, 0, 0 },
 559                 { "pkt-filter-report-hash",     1, 0, 0 },
 560                 { "pkt-filter-size",            1, 0, 0 },
 561                 { "pkt-filter-flexbytes-offset",1, 0, 0 },
 562                 { "pkt-filter-drop-queue",      1, 0, 0 },
 563                 { "crc-strip",                  0, 0, 0 },
 564                 { "enable-rx-cksum",            0, 0, 0 },
 565                 { "disable-hw-vlan",            0, 0, 0 },
 566                 { "enable-drop-en",            0, 0, 0 },
 567                 { "disable-rss",                0, 0, 0 },
 568                 { "port-topology",              1, 0, 0 },
 569                 { "forward-mode",               1, 0, 0 },
 570                 { "rss-ip",                     0, 0, 0 },
 571                 { "rss-udp",                    0, 0, 0 },
 572                 { "rxq",                        1, 0, 0 },
 573                 { "txq",                        1, 0, 0 },
 574                 { "rxd",                        1, 0, 0 },
 575                 { "txd",                        1, 0, 0 },
 576                 { "burst",                      1, 0, 0 },
 577                 { "mbcache",                    1, 0, 0 },
 578                 { "txpt",                       1, 0, 0 },
 579                 { "txht",                       1, 0, 0 },
 580                 { "txwt",                       1, 0, 0 },
 581                 { "txfreet",                    1, 0, 0 },
 582                 { "txrst",                      1, 0, 0 },
 583                 { "txqflags",                   1, 0, 0 },
 584                 { "rxpt",                       1, 0, 0 },
 585                 { "rxht",                       1, 0, 0 },
 586                 { "rxwt",                       1, 0, 0 },
 587                 { "rxfreet",                    1, 0, 0 },
 588                 { "tx-queue-stats-mapping",     1, 0, 0 },
 589                 { "rx-queue-stats-mapping",     1, 0, 0 },
 590                 { "no-flush-rx",        0, 0, 0 },
 591                 { "txpkts",                     1, 0, 0 },
 592                 { "disable-link-check",         0, 0, 0 },
 593                 { 0, 0, 0, 0 },
 594         };
 595
 596         argvopt = argv;
 597
 598 #ifdef RTE_LIBRTE_CMDLINE
 599 #define SHORTOPTS "i"
 600 #else
 601 #define SHORTOPTS ""
 602 #endif
 603         while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
 604                                  lgopts, &opt_idx)) != EOF) {
 605                 switch (opt) {
 606 #ifdef RTE_LIBRTE_CMDLINE
 607                 case 'i':
 608                         printf("Interactive-mode selected\n");
 609                         interactive = 1;
 610                         break;
 611 #endif
 612                 case 'a':
 613                         printf("Auto-start selected\n");
 614                         auto_start = 1;
 615                         break;
 616
 617                 case 0: /*long options */
 618                         if (!strcmp(lgopts[opt_idx].name, "help")) {
 619                                 usage(argv[0]);
 620                                 rte_exit(EXIT_SUCCESS, "Displayed help\n");
 621                         }
 622 #ifdef RTE_LIBRTE_CMDLINE
 623                         if (!strcmp(lgopts[opt_idx].name, "interactive")) {
 624                                 printf("Interactive-mode selected\n");
 625                                 interactive = 1;
 626                         }
 627                         if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
 628                                 printf("Auto-start selected\n");
 629                                 auto_start = 1;
 630                         }
 631                         if (!strcmp(lgopts[opt_idx].name,
 632                                     "eth-peers-configfile")) {
 633                                 if (init_peer_eth_addrs(optarg) != 0)
 634                                         rte_exit(EXIT_FAILURE,
 635                                                  "Cannot open logfile\n");
 636                         }
 637                         if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
 638                                 char *port_end;
 639                                 uint8_t c, peer_addr[6];
 640
 641                                 errno = 0;
 642                                 n = strtoul(optarg, &port_end, 10);
 643                                 if (errno != 0 || port_end == optarg || *port_end++ != ',')
 644                                         rte_exit(EXIT_FAILURE,
 645                                                  "Invalid eth-peer: %s", optarg);
 646                                 if (n >= RTE_MAX_ETHPORTS)
 647                                         rte_exit(EXIT_FAILURE,
 648                                                  "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 649                                                  n, RTE_MAX_ETHPORTS);
 650
 651                                 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr) < 0 )
 652                                         rte_exit(EXIT_FAILURE,
 653                                                  "Invalid ethernet address: %s\n",
 654                                                  port_end);
 655                                 for (c = 0; c < 6; c++)
 656                                         peer_eth_addrs[n].addr_bytes[c] =
 657                                                 peer_addr[c];
 658                                 nb_peer_eth_addrs++;
 659                         }
 660 #endif
 661                         if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
 662                                 n = atoi(optarg);
 663                                 if (n > 0 && n <= nb_ports)
 664                                         nb_fwd_ports = (uint8_t) n;
 665                                 else
 666                                         rte_exit(EXIT_FAILURE,
 667                                                  "nb-ports should be > 0 and <= %d\n",
 668                                                  nb_ports);
 669                         }
 670                         if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
 671                                 n = atoi(optarg);
 672                                 if (n > 0 && n <= nb_lcores)
 673                                         nb_fwd_lcores = (uint8_t) n;
 674                                 else
 675                                         rte_exit(EXIT_FAILURE,
 676                                                  "nb-cores should be > 0 and <= %d\n",
 677                                                  nb_lcores);
 678                         }
 679                         if (!strcmp(lgopts[opt_idx].name, "coremask"))
 680                                 parse_fwd_coremask(optarg);
 681                         if (!strcmp(lgopts[opt_idx].name, "portmask"))
 682                                 parse_fwd_portmask(optarg);
 683                         if (!strcmp(lgopts[opt_idx].name, "numa")) {
 684                                 numa_support = 1;
 685                                 memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 686                                 memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 687                                 memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 688                         }
 689                         if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
 690                                 mp_anon = 1;
 691                         }
 692                         if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
 693                                 if (parse_portnuma_config(optarg))
 694                                         rte_exit(EXIT_FAILURE,
 695                                            "invalid port-numa configuration\n");
 696                         }
 697                         if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
 698                                 if (parse_ringnuma_config(optarg))
 699                                         rte_exit(EXIT_FAILURE,
 700                                            "invalid ring-numa configuration\n");
 701                         if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
 702                                 n = atoi(optarg);
 703                                 if(n < MAX_SOCKET)
 704                                         socket_num = (uint8_t)n;
 705                                 else
 706                                         rte_exit(EXIT_FAILURE,
 707                                                 "The socket number should be < %d\n",
 708                                                 MAX_SOCKET);
 709                         }
 710                         if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
 711                                 n = atoi(optarg);
 712                                 if (n > 0 && n <= 0xFFFF)
 713                                         mbuf_data_size = (uint16_t) n;
 714                                 else
 715                                         rte_exit(EXIT_FAILURE,
 716                                                  "mbuf-size should be > 0 and < 65536\n");
 717                         }
 718                         if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
 719                                 n = atoi(optarg);
 720                                 if (n > 1024)
 721                                         param_total_num_mbufs = (unsigned)n;
 722                                 else
 723                                         rte_exit(EXIT_FAILURE,
 724                                                  "total-num-mbufs should be > 1024\n");
 725                         }
 726                         if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
 727                                 n = atoi(optarg);
 728                                 if (n >= ETHER_MIN_LEN) {
 729                                         rx_mode.max_rx_pkt_len = (uint32_t) n;
 730                                         if (n > ETHER_MAX_LEN)
 731                                             rx_mode.jumbo_frame = 1;
 732                                 } else
 733                                         rte_exit(EXIT_FAILURE,
 734                                                  "Invalid max-pkt-len=%d - should be > %d\n",
 735                                                  n, ETHER_MIN_LEN);
 736                         }
 737                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
 738                                 if (!strcmp(optarg, "signature"))
 739                                         fdir_conf.mode =
 740                                                 RTE_FDIR_MODE_SIGNATURE;
 741                                 else if (!strcmp(optarg, "perfect"))
 742                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
 743                                 else if (!strcmp(optarg, "none"))
 744                                         fdir_conf.mode = RTE_FDIR_MODE_NONE;
 745                                 else
 746                                         rte_exit(EXIT_FAILURE,
 747                                                  "pkt-mode-invalid %s invalid - must be: "
 748                                                  "none, signature or perfect\n",
 749                                                  optarg);
 750                         }
 751                         if (!strcmp(lgopts[opt_idx].name,
 752                                     "pkt-filter-report-hash")) {
 753                                 if (!strcmp(optarg, "none"))
 754                                         fdir_conf.status =
 755                                                 RTE_FDIR_NO_REPORT_STATUS;
 756                                 else if (!strcmp(optarg, "match"))
 757                                         fdir_conf.status =
 758                                                 RTE_FDIR_REPORT_STATUS;
 759                                 else if (!strcmp(optarg, "always"))
 760                                         fdir_conf.status =
 761                                                 RTE_FDIR_REPORT_STATUS_ALWAYS;
 762                                 else
 763                                         rte_exit(EXIT_FAILURE,
 764                                                  "pkt-filter-report-hash %s invalid "
 765                                                  "- must be: none or match or always\n",
 766                                                  optarg);
 767                         }
 768                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
 769                                 if (!strcmp(optarg, "64K"))
 770                                         fdir_conf.pballoc =
 771                                                 RTE_FDIR_PBALLOC_64K;
 772                                 else if (!strcmp(optarg, "128K"))
 773                                         fdir_conf.pballoc =
 774                                                 RTE_FDIR_PBALLOC_128K;
 775                                 else if (!strcmp(optarg, "256K"))
 776                                         fdir_conf.pballoc =
 777                                                 RTE_FDIR_PBALLOC_256K;
 778                                 else
 779                                         rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
 780                                                  " must be: 64K or 128K or 256K\n",
 781                                                  optarg);
 782                         }
 783                         if (!strcmp(lgopts[opt_idx].name,
 784                                     "pkt-filter-flexbytes-offset")) {
 785                                 n = atoi(optarg);
 786                                 if ( n >= 0 && n <= (int) 32)
 787                                         fdir_conf.flexbytes_offset =
 788                                                 (uint8_t) n;
 789                                 else
 790                                         rte_exit(EXIT_FAILURE,
 791                                                  "flexbytes %d invalid - must"
 792                                                  "be  >= 0 && <= 32\n", n);
 793                         }
 794                         if (!strcmp(lgopts[opt_idx].name,
 795                                     "pkt-filter-drop-queue")) {
 796                                 n = atoi(optarg);
 797                                 if (n >= 0)
 798                                         fdir_conf.drop_queue = (uint8_t) n;
 799                                 else
 800                                         rte_exit(EXIT_FAILURE,
 801                                                  "drop queue %d invalid - must"
 802                                                  "be >= 0 \n", n);
 803                         }
 804                         if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
 805                                 rx_mode.hw_strip_crc = 1;
 806                         if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
 807                                 rx_mode.hw_ip_checksum = 1;
 808
 809                         if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
 810                                 rx_mode.hw_vlan_filter = 0;
 811                                 rx_mode.hw_vlan_strip  = 0;
 812                                 rx_mode.hw_vlan_extend = 0;
 813                         }
 814
 815                         if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
 816                                 rx_drop_en = 1;
 817
 818                         if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
 819                                 rss_hf = 0;
 820                         if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
 821                                 if (!strcmp(optarg, "paired"))
 822                                         port_topology = PORT_TOPOLOGY_PAIRED;
 823                                 else if (!strcmp(optarg, "chained"))
 824                                         port_topology = PORT_TOPOLOGY_CHAINED;
 825                                 else if (!strcmp(optarg, "loop"))
 826                                         port_topology = PORT_TOPOLOGY_LOOP;
 827                                 else
 828                                         rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
 829                                                  " must be: paired or chained \n",
 830                                                  optarg);
 831                         }
 832                         if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
 833                                 set_pkt_forwarding_mode(optarg);
 834                         if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
 835                                 rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6;
 836                         if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
 837                                 rss_hf = ETH_RSS_IPV4 |
 838                                                 ETH_RSS_IPV6 | ETH_RSS_IPV4_UDP;
 839                         if (!strcmp(lgopts[opt_idx].name, "rxq")) {
 840                                 n = atoi(optarg);
 841                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 842                                         nb_rxq = (queueid_t) n;
 843                                 else
 844                                         rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
 845                                                   " >= 1 && <= %d\n", n,
 846                                                   (int) MAX_QUEUE_ID);
 847                         }
 848                         if (!strcmp(lgopts[opt_idx].name, "txq")) {
 849                                 n = atoi(optarg);
 850                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 851                                         nb_txq = (queueid_t) n;
 852                                 else
 853                                         rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
 854                                                   " >= 1 && <= %d\n", n,
 855                                                   (int) MAX_QUEUE_ID);
 856                         }
 857                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 858                                 n = atoi(optarg);
 859                                 if (n > 0)
 860                                         nb_rxd = (uint16_t) n;
 861                                 else
 862                                         rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
 863                         }
 864                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 865                                 n = atoi(optarg);
 866                                 if (n > 0)
 867                                         nb_txd = (uint16_t) n;
 868                                 else
 869                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 870                         }
 871                         if (!strcmp(lgopts[opt_idx].name, "burst")) {
 872                                 n = atoi(optarg);
 873                                 if ((n >= 1) && (n <= MAX_PKT_BURST))
 874                                         nb_pkt_per_burst = (uint16_t) n;
 875                                 else
 876                                         rte_exit(EXIT_FAILURE,
 877                                                  "burst must >= 1 and <= %d]",
 878                                                  MAX_PKT_BURST);
 879                         }
 880                         if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
 881                                 n = atoi(optarg);
 882                                 if ((n >= 0) &&
 883                                     (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
 884                                         mb_mempool_cache = (uint16_t) n;
 885                                 else
 886                                         rte_exit(EXIT_FAILURE,
 887                                                  "mbcache must be >= 0 and <= %d\n",
 888                                                  RTE_MEMPOOL_CACHE_MAX_SIZE);
 889                         }
 890                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 891                                 n = atoi(optarg);
 892                                 if (n >= 0)
 893                                         tx_thresh.pthresh = (uint8_t)n;
 894                                 else
 895                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 896                         }
 897                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 898                                 n = atoi(optarg);
 899                                 if (n >= 0)
 900                                         tx_thresh.hthresh = (uint8_t)n;
 901                                 else
 902                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 903                         }
 904                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 905                                 n = atoi(optarg);
 906                                 if (n >= 0)
 907                                         tx_thresh.wthresh = (uint8_t)n;
 908                                 else
 909                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 910                         }
 911                         if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
 912                                 n = atoi(optarg);
 913                                 if (n >= 0)
 914                                         tx_free_thresh = (uint16_t)n;
 915                                 else
 916                                         rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
 917                         }
 918                         if (!strcmp(lgopts[opt_idx].name, "txrst")) {
 919                                 n = atoi(optarg);
 920                                 if (n >= 0)
 921                                         tx_rs_thresh = (uint16_t)n;
 922                                 else
 923                                         rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
 924                         }
 925                         if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
 926                                 char *end = NULL;
 927                                 n = strtoul(optarg, &end, 16);
 928                                 if (n >= 0)
 929                                         txq_flags = (uint32_t)n;
 930                                 else
 931                                         rte_exit(EXIT_FAILURE,
 932                                                  "txqflags must be >= 0\n");
 933                         }
 934                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 935                                 n = atoi(optarg);
 936                                 if (n >= 0)
 937                                         rx_thresh.pthresh = (uint8_t)n;
 938                                 else
 939                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
 940                         }
 941                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
 942                                 n = atoi(optarg);
 943                                 if (n >= 0)
 944                                         rx_thresh.hthresh = (uint8_t)n;
 945                                 else
 946                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
 947                         }
 948                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
 949                                 n = atoi(optarg);
 950                                 if (n >= 0)
 951                                         rx_thresh.wthresh = (uint8_t)n;
 952                                 else
 953                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
 954                         }
 955                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 956                                 n = atoi(optarg);
 957                                 if (n > 0) {
 958                                         if (rx_free_thresh >= n)
 959                                                 rte_exit(EXIT_FAILURE,
 960                                                          "rxd must be > "
 961                                                          "rx_free_thresh(%d)\n",
 962                                                          (int)rx_free_thresh);
 963                                         else
 964                                                 nb_rxd = (uint16_t) n;
 965                                 } else
 966                                         rte_exit(EXIT_FAILURE,
 967                                                  "rxd(%d) invalid - must be > 0\n",
 968                                                  n);
 969                         }
 970                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 971                                 n = atoi(optarg);
 972                                 if (n > 0)
 973                                         nb_txd = (uint16_t) n;
 974                                 else
 975                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 976                         }
 977                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 978                                 n = atoi(optarg);
 979                                 if (n >= 0)
 980                                         tx_thresh.pthresh = (uint8_t)n;
 981                                 else
 982                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 983                         }
 984                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 985                                 n = atoi(optarg);
 986                                 if (n >= 0)
 987                                         tx_thresh.hthresh = (uint8_t)n;
 988                                 else
 989                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 990                         }
 991                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 992                                 n = atoi(optarg);
 993                                 if (n >= 0)
 994                                         tx_thresh.wthresh = (uint8_t)n;
 995                                 else
 996                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 997                         }
 998                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 999                                 n = atoi(optarg);
1000                                 if (n >= 0)
1001                                         rx_thresh.pthresh = (uint8_t)n;
1002                                 else
1003                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1004                         }
1005                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1006                                 n = atoi(optarg);
1007                                 if (n >= 0)
1008                                         rx_thresh.hthresh = (uint8_t)n;
1009                                 else
1010                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1011                         }
1012                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1013                                 n = atoi(optarg);
1014                                 if (n >= 0)
1015                                         rx_thresh.wthresh = (uint8_t)n;
1016                                 else
1017                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1018                         }
1019                         if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1020                                 n = atoi(optarg);
1021                                 if (n >= 0)
1022                                         rx_free_thresh = (uint16_t)n;
1023                                 else
1024                                         rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1025                         }
1026                         if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1027                                 if (parse_queue_stats_mapping_config(optarg, TX)) {
1028                                         rte_exit(EXIT_FAILURE,
1029                                                  "invalid TX queue statistics mapping config entered\n");
1030                                 }
1031                         }
1032                         if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1033                                 if (parse_queue_stats_mapping_config(optarg, RX)) {
1034                                         rte_exit(EXIT_FAILURE,
1035                                                  "invalid RX queue statistics mapping config entered\n");
1036                                 }
1037                         }
1038                         if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1039                                 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1040                                 unsigned int nb_segs;
1041
1042                                 nb_segs = parse_item_list(optarg, RTE_MAX_SEGS_PER_PKT, seg_lengths);
1043                                 if (nb_segs > 0)
1044                                         set_tx_pkt_segments(seg_lengths, nb_segs);
1045                                 else
1046                                         rte_exit(EXIT_FAILURE, "bad txpkts\n");
1047                         }
1048                         if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1049                                 no_flush_rx = 1;
1050                         if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1051                                 no_link_check = 1;
1052
1053                         break;
1054                 case 'h':
1055                         usage(argv[0]);
1056                         rte_exit(EXIT_SUCCESS, "Displayed help\n");
1057                         break;
1058                 default:
1059                         usage(argv[0]);
1060                         rte_exit(EXIT_FAILURE,
1061                                  "Command line is incomplete or incorrect\n");
1062                         break;
1063                 }
1064         }
1065 }