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) {
 320                         if ((nb_tx_queue_stats_mappings >=
 321                                                 MAX_TX_QUEUE_STATS_MAPPINGS)) {
 322                                 printf("exceeded max number of TX queue "
 323                                                 "statistics mappings: %hu\n",
 324                                                 nb_tx_queue_stats_mappings);
 325                                 return -1;
 326                         }
 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                         if ((nb_rx_queue_stats_mappings >=
 337                                                 MAX_RX_QUEUE_STATS_MAPPINGS)) {
 338                                 printf("exceeded max number of RX queue "
 339                                                 "statistics mappings: %hu\n",
 340                                                 nb_rx_queue_stats_mappings);
 341                                 return -1;
 342                         }
 343                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
 344                                 (uint8_t)int_fld[FLD_PORT];
 345                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
 346                                 (uint8_t)int_fld[FLD_QUEUE];
 347                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
 348                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 349                         ++nb_rx_queue_stats_mappings;
 350                 }
 351
 352         }
 353 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
 354 /* than to the default array (that was set at its definition) */
 355         is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
 356                 (tx_queue_stats_mappings = tx_queue_stats_mappings_array);
 357         return 0;
 358 }
 359
 360 static int
 361 parse_portnuma_config(const char *q_arg)
 362 {
 363         char s[256];
 364         const char *p, *p0 = q_arg;
 365         char *end;
 366         uint8_t i,port_id,socket_id;
 367         unsigned size;
 368         enum fieldnames {
 369                 FLD_PORT = 0,
 370                 FLD_SOCKET,
 371                 _NUM_FLD
 372         };
 373         unsigned long int_fld[_NUM_FLD];
 374         char *str_fld[_NUM_FLD];
 375
 376         /* reset from value set at definition */
 377         while ((p = strchr(p0,'(')) != NULL) {
 378                 ++p;
 379                 if((p0 = strchr(p,')')) == NULL)
 380                         return -1;
 381
 382                 size = p0 - p;
 383                 if(size >= sizeof(s))
 384                         return -1;
 385
 386                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 387                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 388                         return -1;
 389                 for (i = 0; i < _NUM_FLD; i++) {
 390                         errno = 0;
 391                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 392                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 393                                 return -1;
 394                 }
 395                 port_id = (uint8_t)int_fld[FLD_PORT];
 396                 if (port_id >= nb_ports) {
 397                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 398                         return -1;
 399                 }
 400                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 401                 if(socket_id >= MAX_SOCKET) {
 402                         printf("Invalid socket id, range is [0, %d]\n",
 403                                  MAX_SOCKET - 1);
 404                         return -1;
 405                 }
 406                 port_numa[port_id] = socket_id;
 407         }
 408
 409         return 0;
 410 }
 411
 412 static int
 413 parse_ringnuma_config(const char *q_arg)
 414 {
 415         char s[256];
 416         const char *p, *p0 = q_arg;
 417         char *end;
 418         uint8_t i,port_id,ring_flag,socket_id;
 419         unsigned size;
 420         enum fieldnames {
 421                 FLD_PORT = 0,
 422                 FLD_FLAG,
 423                 FLD_SOCKET,
 424                 _NUM_FLD
 425         };
 426         unsigned long int_fld[_NUM_FLD];
 427         char *str_fld[_NUM_FLD];
 428         #define RX_RING_ONLY 0x1
 429         #define TX_RING_ONLY 0x2
 430         #define RXTX_RING    0x3
 431
 432         /* reset from value set at definition */
 433         while ((p = strchr(p0,'(')) != NULL) {
 434                 ++p;
 435                 if((p0 = strchr(p,')')) == NULL)
 436                         return -1;
 437
 438                 size = p0 - p;
 439                 if(size >= sizeof(s))
 440                         return -1;
 441
 442                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 443                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 444                         return -1;
 445                 for (i = 0; i < _NUM_FLD; i++) {
 446                         errno = 0;
 447                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 448                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 449                                 return -1;
 450                 }
 451                 port_id = (uint8_t)int_fld[FLD_PORT];
 452                 if (port_id >= nb_ports) {
 453                         printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
 454                         return -1;
 455                 }
 456                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 457                 if (socket_id >= MAX_SOCKET) {
 458                         printf("Invalid socket id, range is [0, %d]\n",
 459                                 MAX_SOCKET - 1);
 460                         return -1;
 461                 }
 462                 ring_flag = (uint8_t)int_fld[FLD_FLAG];
 463                 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
 464                         printf("Invalid ring-flag=%d config for port =%d\n",
 465                                 ring_flag,port_id);
 466                         return -1;
 467                 }
 468
 469                 switch (ring_flag & RXTX_RING) {
 470                 case RX_RING_ONLY:
 471                         rxring_numa[port_id] = socket_id;
 472                         break;
 473                 case TX_RING_ONLY:
 474                         txring_numa[port_id] = socket_id;
 475                         break;
 476                 case RXTX_RING:
 477                         rxring_numa[port_id] = socket_id;
 478                         txring_numa[port_id] = socket_id;
 479                         break;
 480                 default:
 481                         printf("Invalid ring-flag=%d config for port=%d\n",
 482                                 ring_flag,port_id);
 483                         break;
 484                 }
 485         }
 486
 487         return 0;
 488 }
 489
 490 static unsigned int
 491 parse_item_list(char* str, unsigned int max_items, unsigned int *parsed_items)
 492 {
 493         unsigned int nb_item;
 494         unsigned int value;
 495         unsigned int i;
 496         int value_ok;
 497         char c;
 498
 499         /*
 500          * First parse all items in the list and store their value.
 501          */
 502         value = 0;
 503         nb_item = 0;
 504         value_ok = 0;
 505         for (i = 0; i < strlen(str); i++) {
 506                 c = str[i];
 507                 if ((c >= '0') && (c <= '9')) {
 508                         value = (unsigned int) (value * 10 + (c - '0'));
 509                         value_ok = 1;
 510                         continue;
 511                 }
 512                 if (c != ',') {
 513                         printf("character %c is not a decimal digit\n", c);
 514                         return (0);
 515                 }
 516                 if (! value_ok) {
 517                         printf("No valid value before comma\n");
 518                         return (0);
 519                 }
 520                 if (nb_item < max_items) {
 521                         parsed_items[nb_item] = value;
 522                         value_ok = 0;
 523                         value = 0;
 524                 }
 525                 nb_item++;
 526         }
 527
 528         if (nb_item >= max_items)
 529                 rte_exit(EXIT_FAILURE, "too many txpkt segments!\n");
 530
 531         parsed_items[nb_item++] = value;
 532
 533         return (nb_item);
 534 }
 535
 536 void
 537 launch_args_parse(int argc, char** argv)
 538 {
 539         int n, opt;
 540         char **argvopt;
 541         int opt_idx;
 542         enum { TX, RX };
 543
 544         static struct option lgopts[] = {
 545                 { "help",                       0, 0, 0 },
 546 #ifdef RTE_LIBRTE_CMDLINE
 547                 { "interactive",                0, 0, 0 },
 548                 { "auto-start",                 0, 0, 0 },
 549                 { "eth-peers-configfile",       1, 0, 0 },
 550                 { "eth-peer",                   1, 0, 0 },
 551 #endif
 552                 { "ports",                      1, 0, 0 },
 553                 { "nb-cores",                   1, 0, 0 },
 554                 { "nb-ports",                   1, 0, 0 },
 555                 { "coremask",                   1, 0, 0 },
 556                 { "portmask",                   1, 0, 0 },
 557                 { "numa",                       0, 0, 0 },
 558                 { "mp-anon",                    0, 0, 0 },
 559                 { "port-numa-config",           1, 0, 0 },
 560                 { "ring-numa-config",           1, 0, 0 },
 561                 { "socket-num",                 1, 0, 0 },
 562                 { "mbuf-size",                  1, 0, 0 },
 563                 { "total-num-mbufs",            1, 0, 0 },
 564                 { "max-pkt-len",                1, 0, 0 },
 565                 { "pkt-filter-mode",            1, 0, 0 },
 566                 { "pkt-filter-report-hash",     1, 0, 0 },
 567                 { "pkt-filter-size",            1, 0, 0 },
 568                 { "pkt-filter-flexbytes-offset",1, 0, 0 },
 569                 { "pkt-filter-drop-queue",      1, 0, 0 },
 570                 { "crc-strip",                  0, 0, 0 },
 571                 { "enable-rx-cksum",            0, 0, 0 },
 572                 { "disable-hw-vlan",            0, 0, 0 },
 573                 { "enable-drop-en",            0, 0, 0 },
 574                 { "disable-rss",                0, 0, 0 },
 575                 { "port-topology",              1, 0, 0 },
 576                 { "forward-mode",               1, 0, 0 },
 577                 { "rss-ip",                     0, 0, 0 },
 578                 { "rss-udp",                    0, 0, 0 },
 579                 { "rxq",                        1, 0, 0 },
 580                 { "txq",                        1, 0, 0 },
 581                 { "rxd",                        1, 0, 0 },
 582                 { "txd",                        1, 0, 0 },
 583                 { "burst",                      1, 0, 0 },
 584                 { "mbcache",                    1, 0, 0 },
 585                 { "txpt",                       1, 0, 0 },
 586                 { "txht",                       1, 0, 0 },
 587                 { "txwt",                       1, 0, 0 },
 588                 { "txfreet",                    1, 0, 0 },
 589                 { "txrst",                      1, 0, 0 },
 590                 { "txqflags",                   1, 0, 0 },
 591                 { "rxpt",                       1, 0, 0 },
 592                 { "rxht",                       1, 0, 0 },
 593                 { "rxwt",                       1, 0, 0 },
 594                 { "rxfreet",                    1, 0, 0 },
 595                 { "tx-queue-stats-mapping",     1, 0, 0 },
 596                 { "rx-queue-stats-mapping",     1, 0, 0 },
 597                 { "no-flush-rx",        0, 0, 0 },
 598                 { "txpkts",                     1, 0, 0 },
 599                 { "disable-link-check",         0, 0, 0 },
 600                 { 0, 0, 0, 0 },
 601         };
 602
 603         argvopt = argv;
 604
 605 #ifdef RTE_LIBRTE_CMDLINE
 606 #define SHORTOPTS "i"
 607 #else
 608 #define SHORTOPTS ""
 609 #endif
 610         while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
 611                                  lgopts, &opt_idx)) != EOF) {
 612                 switch (opt) {
 613 #ifdef RTE_LIBRTE_CMDLINE
 614                 case 'i':
 615                         printf("Interactive-mode selected\n");
 616                         interactive = 1;
 617                         break;
 618 #endif
 619                 case 'a':
 620                         printf("Auto-start selected\n");
 621                         auto_start = 1;
 622                         break;
 623
 624                 case 0: /*long options */
 625                         if (!strcmp(lgopts[opt_idx].name, "help")) {
 626                                 usage(argv[0]);
 627                                 rte_exit(EXIT_SUCCESS, "Displayed help\n");
 628                         }
 629 #ifdef RTE_LIBRTE_CMDLINE
 630                         if (!strcmp(lgopts[opt_idx].name, "interactive")) {
 631                                 printf("Interactive-mode selected\n");
 632                                 interactive = 1;
 633                         }
 634                         if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
 635                                 printf("Auto-start selected\n");
 636                                 auto_start = 1;
 637                         }
 638                         if (!strcmp(lgopts[opt_idx].name,
 639                                     "eth-peers-configfile")) {
 640                                 if (init_peer_eth_addrs(optarg) != 0)
 641                                         rte_exit(EXIT_FAILURE,
 642                                                  "Cannot open logfile\n");
 643                         }
 644                         if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
 645                                 char *port_end;
 646                                 uint8_t c, peer_addr[6];
 647
 648                                 errno = 0;
 649                                 n = strtoul(optarg, &port_end, 10);
 650                                 if (errno != 0 || port_end == optarg || *port_end++ != ',')
 651                                         rte_exit(EXIT_FAILURE,
 652                                                  "Invalid eth-peer: %s", optarg);
 653                                 if (n >= RTE_MAX_ETHPORTS)
 654                                         rte_exit(EXIT_FAILURE,
 655                                                  "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 656                                                  n, RTE_MAX_ETHPORTS);
 657
 658                                 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr) < 0 )
 659                                         rte_exit(EXIT_FAILURE,
 660                                                  "Invalid ethernet address: %s\n",
 661                                                  port_end);
 662                                 for (c = 0; c < 6; c++)
 663                                         peer_eth_addrs[n].addr_bytes[c] =
 664                                                 peer_addr[c];
 665                                 nb_peer_eth_addrs++;
 666                         }
 667 #endif
 668                         if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
 669                                 n = atoi(optarg);
 670                                 if (n > 0 && n <= nb_ports)
 671                                         nb_fwd_ports = (uint8_t) n;
 672                                 else
 673                                         rte_exit(EXIT_FAILURE,
 674                                                  "nb-ports should be > 0 and <= %d\n",
 675                                                  nb_ports);
 676                         }
 677                         if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
 678                                 n = atoi(optarg);
 679                                 if (n > 0 && n <= nb_lcores)
 680                                         nb_fwd_lcores = (uint8_t) n;
 681                                 else
 682                                         rte_exit(EXIT_FAILURE,
 683                                                  "nb-cores should be > 0 and <= %d\n",
 684                                                  nb_lcores);
 685                         }
 686                         if (!strcmp(lgopts[opt_idx].name, "coremask"))
 687                                 parse_fwd_coremask(optarg);
 688                         if (!strcmp(lgopts[opt_idx].name, "portmask"))
 689                                 parse_fwd_portmask(optarg);
 690                         if (!strcmp(lgopts[opt_idx].name, "numa")) {
 691                                 numa_support = 1;
 692                                 memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 693                                 memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 694                                 memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
 695                         }
 696                         if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
 697                                 mp_anon = 1;
 698                         }
 699                         if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
 700                                 if (parse_portnuma_config(optarg))
 701                                         rte_exit(EXIT_FAILURE,
 702                                            "invalid port-numa configuration\n");
 703                         }
 704                         if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
 705                                 if (parse_ringnuma_config(optarg))
 706                                         rte_exit(EXIT_FAILURE,
 707                                            "invalid ring-numa configuration\n");
 708                         if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
 709                                 n = atoi(optarg);
 710                                 if(n < MAX_SOCKET)
 711                                         socket_num = (uint8_t)n;
 712                                 else
 713                                         rte_exit(EXIT_FAILURE,
 714                                                 "The socket number should be < %d\n",
 715                                                 MAX_SOCKET);
 716                         }
 717                         if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
 718                                 n = atoi(optarg);
 719                                 if (n > 0 && n <= 0xFFFF)
 720                                         mbuf_data_size = (uint16_t) n;
 721                                 else
 722                                         rte_exit(EXIT_FAILURE,
 723                                                  "mbuf-size should be > 0 and < 65536\n");
 724                         }
 725                         if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
 726                                 n = atoi(optarg);
 727                                 if (n > 1024)
 728                                         param_total_num_mbufs = (unsigned)n;
 729                                 else
 730                                         rte_exit(EXIT_FAILURE,
 731                                                  "total-num-mbufs should be > 1024\n");
 732                         }
 733                         if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
 734                                 n = atoi(optarg);
 735                                 if (n >= ETHER_MIN_LEN) {
 736                                         rx_mode.max_rx_pkt_len = (uint32_t) n;
 737                                         if (n > ETHER_MAX_LEN)
 738                                             rx_mode.jumbo_frame = 1;
 739                                 } else
 740                                         rte_exit(EXIT_FAILURE,
 741                                                  "Invalid max-pkt-len=%d - should be > %d\n",
 742                                                  n, ETHER_MIN_LEN);
 743                         }
 744                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
 745                                 if (!strcmp(optarg, "signature"))
 746                                         fdir_conf.mode =
 747                                                 RTE_FDIR_MODE_SIGNATURE;
 748                                 else if (!strcmp(optarg, "perfect"))
 749                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
 750                                 else if (!strcmp(optarg, "none"))
 751                                         fdir_conf.mode = RTE_FDIR_MODE_NONE;
 752                                 else
 753                                         rte_exit(EXIT_FAILURE,
 754                                                  "pkt-mode-invalid %s invalid - must be: "
 755                                                  "none, signature or perfect\n",
 756                                                  optarg);
 757                         }
 758                         if (!strcmp(lgopts[opt_idx].name,
 759                                     "pkt-filter-report-hash")) {
 760                                 if (!strcmp(optarg, "none"))
 761                                         fdir_conf.status =
 762                                                 RTE_FDIR_NO_REPORT_STATUS;
 763                                 else if (!strcmp(optarg, "match"))
 764                                         fdir_conf.status =
 765                                                 RTE_FDIR_REPORT_STATUS;
 766                                 else if (!strcmp(optarg, "always"))
 767                                         fdir_conf.status =
 768                                                 RTE_FDIR_REPORT_STATUS_ALWAYS;
 769                                 else
 770                                         rte_exit(EXIT_FAILURE,
 771                                                  "pkt-filter-report-hash %s invalid "
 772                                                  "- must be: none or match or always\n",
 773                                                  optarg);
 774                         }
 775                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
 776                                 if (!strcmp(optarg, "64K"))
 777                                         fdir_conf.pballoc =
 778                                                 RTE_FDIR_PBALLOC_64K;
 779                                 else if (!strcmp(optarg, "128K"))
 780                                         fdir_conf.pballoc =
 781                                                 RTE_FDIR_PBALLOC_128K;
 782                                 else if (!strcmp(optarg, "256K"))
 783                                         fdir_conf.pballoc =
 784                                                 RTE_FDIR_PBALLOC_256K;
 785                                 else
 786                                         rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
 787                                                  " must be: 64K or 128K or 256K\n",
 788                                                  optarg);
 789                         }
 790                         if (!strcmp(lgopts[opt_idx].name,
 791                                     "pkt-filter-flexbytes-offset")) {
 792                                 n = atoi(optarg);
 793                                 if ( n >= 0 && n <= (int) 32)
 794                                         fdir_conf.flexbytes_offset =
 795                                                 (uint8_t) n;
 796                                 else
 797                                         rte_exit(EXIT_FAILURE,
 798                                                  "flexbytes %d invalid - must"
 799                                                  "be  >= 0 && <= 32\n", n);
 800                         }
 801                         if (!strcmp(lgopts[opt_idx].name,
 802                                     "pkt-filter-drop-queue")) {
 803                                 n = atoi(optarg);
 804                                 if (n >= 0)
 805                                         fdir_conf.drop_queue = (uint8_t) n;
 806                                 else
 807                                         rte_exit(EXIT_FAILURE,
 808                                                  "drop queue %d invalid - must"
 809                                                  "be >= 0 \n", n);
 810                         }
 811                         if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
 812                                 rx_mode.hw_strip_crc = 1;
 813                         if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
 814                                 rx_mode.hw_ip_checksum = 1;
 815
 816                         if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
 817                                 rx_mode.hw_vlan_filter = 0;
 818                                 rx_mode.hw_vlan_strip  = 0;
 819                                 rx_mode.hw_vlan_extend = 0;
 820                         }
 821
 822                         if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
 823                                 rx_drop_en = 1;
 824
 825                         if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
 826                                 rss_hf = 0;
 827                         if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
 828                                 if (!strcmp(optarg, "paired"))
 829                                         port_topology = PORT_TOPOLOGY_PAIRED;
 830                                 else if (!strcmp(optarg, "chained"))
 831                                         port_topology = PORT_TOPOLOGY_CHAINED;
 832                                 else if (!strcmp(optarg, "loop"))
 833                                         port_topology = PORT_TOPOLOGY_LOOP;
 834                                 else
 835                                         rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
 836                                                  " must be: paired or chained \n",
 837                                                  optarg);
 838                         }
 839                         if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
 840                                 set_pkt_forwarding_mode(optarg);
 841                         if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
 842                                 rss_hf = ETH_RSS_IP;
 843                         if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
 844                                 rss_hf = ETH_RSS_UDP;
 845                         if (!strcmp(lgopts[opt_idx].name, "rxq")) {
 846                                 n = atoi(optarg);
 847                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 848                                         nb_rxq = (queueid_t) n;
 849                                 else
 850                                         rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
 851                                                   " >= 1 && <= %d\n", n,
 852                                                   (int) MAX_QUEUE_ID);
 853                         }
 854                         if (!strcmp(lgopts[opt_idx].name, "txq")) {
 855                                 n = atoi(optarg);
 856                                 if (n >= 1 && n <= (int) MAX_QUEUE_ID)
 857                                         nb_txq = (queueid_t) n;
 858                                 else
 859                                         rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
 860                                                   " >= 1 && <= %d\n", n,
 861                                                   (int) MAX_QUEUE_ID);
 862                         }
 863                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 864                                 n = atoi(optarg);
 865                                 if (n > 0)
 866                                         nb_rxd = (uint16_t) n;
 867                                 else
 868                                         rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
 869                         }
 870                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 871                                 n = atoi(optarg);
 872                                 if (n > 0)
 873                                         nb_txd = (uint16_t) n;
 874                                 else
 875                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 876                         }
 877                         if (!strcmp(lgopts[opt_idx].name, "burst")) {
 878                                 n = atoi(optarg);
 879                                 if ((n >= 1) && (n <= MAX_PKT_BURST))
 880                                         nb_pkt_per_burst = (uint16_t) n;
 881                                 else
 882                                         rte_exit(EXIT_FAILURE,
 883                                                  "burst must >= 1 and <= %d]",
 884                                                  MAX_PKT_BURST);
 885                         }
 886                         if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
 887                                 n = atoi(optarg);
 888                                 if ((n >= 0) &&
 889                                     (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
 890                                         mb_mempool_cache = (uint16_t) n;
 891                                 else
 892                                         rte_exit(EXIT_FAILURE,
 893                                                  "mbcache must be >= 0 and <= %d\n",
 894                                                  RTE_MEMPOOL_CACHE_MAX_SIZE);
 895                         }
 896                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 897                                 n = atoi(optarg);
 898                                 if (n >= 0)
 899                                         tx_thresh.pthresh = (uint8_t)n;
 900                                 else
 901                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 902                         }
 903                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 904                                 n = atoi(optarg);
 905                                 if (n >= 0)
 906                                         tx_thresh.hthresh = (uint8_t)n;
 907                                 else
 908                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 909                         }
 910                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 911                                 n = atoi(optarg);
 912                                 if (n >= 0)
 913                                         tx_thresh.wthresh = (uint8_t)n;
 914                                 else
 915                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
 916                         }
 917                         if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
 918                                 n = atoi(optarg);
 919                                 if (n >= 0)
 920                                         tx_free_thresh = (uint16_t)n;
 921                                 else
 922                                         rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
 923                         }
 924                         if (!strcmp(lgopts[opt_idx].name, "txrst")) {
 925                                 n = atoi(optarg);
 926                                 if (n >= 0)
 927                                         tx_rs_thresh = (uint16_t)n;
 928                                 else
 929                                         rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
 930                         }
 931                         if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
 932                                 char *end = NULL;
 933                                 n = strtoul(optarg, &end, 16);
 934                                 if (n >= 0)
 935                                         txq_flags = (uint32_t)n;
 936                                 else
 937                                         rte_exit(EXIT_FAILURE,
 938                                                  "txqflags must be >= 0\n");
 939                         }
 940                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
 941                                 n = atoi(optarg);
 942                                 if (n >= 0)
 943                                         rx_thresh.pthresh = (uint8_t)n;
 944                                 else
 945                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
 946                         }
 947                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
 948                                 n = atoi(optarg);
 949                                 if (n >= 0)
 950                                         rx_thresh.hthresh = (uint8_t)n;
 951                                 else
 952                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
 953                         }
 954                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
 955                                 n = atoi(optarg);
 956                                 if (n >= 0)
 957                                         rx_thresh.wthresh = (uint8_t)n;
 958                                 else
 959                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
 960                         }
 961                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 962                                 n = atoi(optarg);
 963                                 if (n > 0) {
 964                                         if (rx_free_thresh >= n)
 965                                                 rte_exit(EXIT_FAILURE,
 966                                                          "rxd must be > "
 967                                                          "rx_free_thresh(%d)\n",
 968                                                          (int)rx_free_thresh);
 969                                         else
 970                                                 nb_rxd = (uint16_t) n;
 971                                 } else
 972                                         rte_exit(EXIT_FAILURE,
 973                                                  "rxd(%d) invalid - must be > 0\n",
 974                                                  n);
 975                         }
 976                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
 977                                 n = atoi(optarg);
 978                                 if (n > 0)
 979                                         nb_txd = (uint16_t) n;
 980                                 else
 981                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
 982                         }
 983                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
 984                                 n = atoi(optarg);
 985                                 if (n >= 0)
 986                                         tx_thresh.pthresh = (uint8_t)n;
 987                                 else
 988                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
 989                         }
 990                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
 991                                 n = atoi(optarg);
 992                                 if (n >= 0)
 993                                         tx_thresh.hthresh = (uint8_t)n;
 994                                 else
 995                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
 996                         }
 997                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
 998                                 n = atoi(optarg);
 999                                 if (n >= 0)
1000                                         tx_thresh.wthresh = (uint8_t)n;
1001                                 else
1002                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1003                         }
1004                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1005                                 n = atoi(optarg);
1006                                 if (n >= 0)
1007                                         rx_thresh.pthresh = (uint8_t)n;
1008                                 else
1009                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1010                         }
1011                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1012                                 n = atoi(optarg);
1013                                 if (n >= 0)
1014                                         rx_thresh.hthresh = (uint8_t)n;
1015                                 else
1016                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1017                         }
1018                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1019                                 n = atoi(optarg);
1020                                 if (n >= 0)
1021                                         rx_thresh.wthresh = (uint8_t)n;
1022                                 else
1023                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1024                         }
1025                         if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1026                                 n = atoi(optarg);
1027                                 if (n >= 0)
1028                                         rx_free_thresh = (uint16_t)n;
1029                                 else
1030                                         rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1031                         }
1032                         if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1033                                 if (parse_queue_stats_mapping_config(optarg, TX)) {
1034                                         rte_exit(EXIT_FAILURE,
1035                                                  "invalid TX queue statistics mapping config entered\n");
1036                                 }
1037                         }
1038                         if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1039                                 if (parse_queue_stats_mapping_config(optarg, RX)) {
1040                                         rte_exit(EXIT_FAILURE,
1041                                                  "invalid RX queue statistics mapping config entered\n");
1042                                 }
1043                         }
1044                         if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1045                                 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1046                                 unsigned int nb_segs;
1047
1048                                 nb_segs = parse_item_list(optarg, RTE_MAX_SEGS_PER_PKT, seg_lengths);
1049                                 if (nb_segs > 0)
1050                                         set_tx_pkt_segments(seg_lengths, nb_segs);
1051                                 else
1052                                         rte_exit(EXIT_FAILURE, "bad txpkts\n");
1053                         }
1054                         if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1055                                 no_flush_rx = 1;
1056                         if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1057                                 no_link_check = 1;
1058
1059                         break;
1060                 case 'h':
1061                         usage(argv[0]);
1062                         rte_exit(EXIT_SUCCESS, "Displayed help\n");
1063                         break;
1064                 default:
1065                         usage(argv[0]);
1066                         rte_exit(EXIT_FAILURE,
1067                                  "Command line is incomplete or incorrect\n");
1068                         break;
1069                 }
1070         }
1071 }