app/test-pmd/parameters.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <errno.h>
   6 #include <getopt.h>
   7 #include <stdarg.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <signal.h>
  11 #include <string.h>
  12 #include <time.h>
  13 #include <fcntl.h>
  14 #include <sys/types.h>
  15
  16 #include <sys/queue.h>
  17 #include <sys/stat.h>
  18
  19 #include <stdint.h>
  20 #include <unistd.h>
  21 #include <inttypes.h>
  22
  23 #include <rte_common.h>
  24 #include <rte_byteorder.h>
  25 #include <rte_log.h>
  26 #include <rte_debug.h>
  27 #include <rte_cycles.h>
  28 #include <rte_memory.h>
  29 #include <rte_launch.h>
  30 #include <rte_eal.h>
  31 #include <rte_per_lcore.h>
  32 #include <rte_lcore.h>
  33 #include <rte_atomic.h>
  34 #include <rte_branch_prediction.h>
  35 #include <rte_mempool.h>
  36 #include <rte_interrupts.h>
  37 #include <rte_pci.h>
  38 #include <rte_ether.h>
  39 #include <rte_ethdev.h>
  40 #include <rte_string_fns.h>
  41 #ifdef RTE_LIBRTE_CMDLINE
  42 #include <cmdline_parse.h>
  43 #include <cmdline_parse_etheraddr.h>
  44 #endif
  45 #ifdef RTE_LIBRTE_PMD_BOND
  46 #include <rte_eth_bond.h>
  47 #endif
  48 #include <rte_flow.h>
  49
  50 #include "testpmd.h"
  51
  52 static void
  53 usage(char* progname)
  54 {
  55         printf("usage: %s "
  56 #ifdef RTE_LIBRTE_CMDLINE
  57                "[--interactive|-i] "
  58                "[--cmdline-file=FILENAME] "
  59 #endif
  60                "[--help|-h] | [--auto-start|-a] | ["
  61                "--tx-first | --stats-period=PERIOD | "
  62                "--coremask=COREMASK --portmask=PORTMASK --numa "
  63                "--mbuf-size= | --total-num-mbufs= | "
  64                "--nb-cores= | --nb-ports= | "
  65 #ifdef RTE_LIBRTE_CMDLINE
  66                "--eth-peers-configfile= | "
  67                "--eth-peer=X,M:M:M:M:M:M | "
  68 #endif
  69                "--pkt-filter-mode= |"
  70                "--rss-ip | --rss-udp | "
  71                "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
  72                "--txpt= | --txht= | --txwt= | --txfreet= | "
  73                "--txrst= | --txqflags= | --tx-offloads ]\n",
  74                progname);
  75 #ifdef RTE_LIBRTE_CMDLINE
  76         printf("  --interactive: run in interactive mode.\n");
  77         printf("  --cmdline-file: execute cli commands before startup.\n");
  78 #endif
  79         printf("  --auto-start: start forwarding on init "
  80                "[always when non-interactive].\n");
  81         printf("  --help: display this message and quit.\n");
  82         printf("  --tx-first: start forwarding sending a burst first "
  83                "(only if interactive is disabled).\n");
  84         printf("  --stats-period=PERIOD: statistics will be shown "
  85                "every PERIOD seconds (only if interactive is disabled).\n");
  86         printf("  --nb-cores=N: set the number of forwarding cores "
  87                "(1 <= N <= %d).\n", nb_lcores);
  88         printf("  --nb-ports=N: set the number of forwarding ports "
  89                "(1 <= N <= %d).\n", nb_ports);
  90         printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
  91                "the packet forwarding test. The master lcore is reserved for "
  92                "command line parsing only, and cannot be masked on for "
  93                "packet forwarding.\n");
  94         printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
  95                "by the packet forwarding test.\n");
  96         printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
  97                "RX memory buffers (mbufs).\n");
  98         printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
  99                "specify the socket on which the memory pool "
 100                "used by the port will be allocated.\n");
 101         printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
 102                "specify the socket on which the TX/RX rings for "
 103                "the port will be allocated "
 104                "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
 105         printf("  --socket-num=N: set socket from which all memory is allocated "
 106                "in NUMA mode.\n");
 107         printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
 108         printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
 109                "in mbuf pools.\n");
 110         printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
 111 #ifdef RTE_LIBRTE_CMDLINE
 112         printf("  --eth-peers-configfile=name: config file with ethernet addresses "
 113                "of peer ports.\n");
 114         printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
 115                "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
 116 #endif
 117         printf("  --pkt-filter-mode=N: set Flow Director mode "
 118                "(N: none (default mode) or signature or perfect).\n");
 119         printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
 120                "(N: none  or match (default) or always).\n");
 121         printf("  --pkt-filter-size=N: set Flow Director mode "
 122                "(N: 64K (default mode) or 128K or 256K).\n");
 123         printf("  --pkt-filter-drop-queue=N: set drop-queue. "
 124                "In perfect mode, when you add a rule with queue = -1 "
 125                "the packet will be enqueued into the rx drop-queue. "
 126                "If the drop-queue doesn't exist, the packet is dropped. "
 127                "By default drop-queue=127.\n");
 128 #ifdef RTE_LIBRTE_LATENCY_STATS
 129         printf("  --latencystats=N: enable latency and jitter statistcs "
 130                "monitoring on forwarding lcore id N.\n");
 131 #endif
 132         printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
 133         printf("  --enable-lro: enable large receive offload.\n");
 134         printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
 135         printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
 136         printf("  --disable-hw-vlan: disable hardware vlan.\n");
 137         printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
 138         printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
 139         printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\n");
 140         printf("  --enable-drop-en: enable per queue packet drop.\n");
 141         printf("  --disable-rss: disable rss.\n");
 142         printf("  --port-topology=N: set port topology (N: paired (default) or "
 143                "chained).\n");
 144         printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
 145                list_pkt_forwarding_modes());
 146         printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
 147         printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
 148         printf("  --rxq=N: set the number of RX queues per port to N.\n");
 149         printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
 150         printf("  --txq=N: set the number of TX queues per port to N.\n");
 151         printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
 152         printf("  --burst=N: set the number of packets per burst to N.\n");
 153         printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
 154         printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
 155         printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
 156         printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
 157                "(0 <= N < value of rxd).\n");
 158         printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
 159         printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
 160         printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
 161         printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
 162         printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
 163                "(0 <= N <= value of txd).\n");
 164         printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
 165                "(0 <= N <= value of txd).\n");
 166         printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
 167                "(0 <= N <= 0x7FFFFFFF).\n");
 168         printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
 169                "tx queues statistics counters mapping "
 170                "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 171         printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
 172                "rx queues statistics counters mapping "
 173                "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 174         printf("  --no-flush-rx: Don't flush RX streams before forwarding."
 175                " Used mainly with PCAP drivers.\n");
 176         printf("  --txpkts=X[,Y]*: set TX segment sizes"
 177                 " or total packet length.\n");
 178         printf("  --disable-link-check: disable check on link status when "
 179                "starting/stopping ports.\n");
 180         printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
 181         printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
 182         printf("  --bitrate-stats=N: set the logical core N to perform "
 183                 "bit-rate calculation.\n");
 184         printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
 185                "enable print of designated event or all of them.\n");
 186         printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
 187                "disable print of designated event or all of them.\n");
 188         printf("  --flow-isolate-all: "
 189                "requests flow API isolated mode on all ports at initialization time.\n");
 190         printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
 191 }
 192
 193 #ifdef RTE_LIBRTE_CMDLINE
 194 static int
 195 init_peer_eth_addrs(char *config_filename)
 196 {
 197         FILE *config_file;
 198         portid_t i;
 199         char buf[50];
 200
 201         config_file = fopen(config_filename, "r");
 202         if (config_file == NULL) {
 203                 perror("Failed to open eth config file\n");
 204                 return -1;
 205         }
 206
 207         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 208
 209                 if (fgets(buf, sizeof(buf), config_file) == NULL)
 210                         break;
 211
 212                 if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
 213                                 sizeof(peer_eth_addrs[i])) < 0) {
 214                         printf("Bad MAC address format on line %d\n", i+1);
 215                         fclose(config_file);
 216                         return -1;
 217                 }
 218         }
 219         fclose(config_file);
 220         nb_peer_eth_addrs = (portid_t) i;
 221         return 0;
 222 }
 223 #endif
 224
 225 /*
 226  * Parse the coremask given as argument (hexadecimal string) and set
 227  * the global configuration of forwarding cores.
 228  */
 229 static void
 230 parse_fwd_coremask(const char *coremask)
 231 {
 232         char *end;
 233         unsigned long long int cm;
 234
 235         /* parse hexadecimal string */
 236         end = NULL;
 237         cm = strtoull(coremask, &end, 16);
 238         if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
 239                 rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
 240         else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
 241                 rte_exit(EXIT_FAILURE, "coremask is not valid\n");
 242 }
 243
 244 /*
 245  * Parse the coremask given as argument (hexadecimal string) and set
 246  * the global configuration of forwarding cores.
 247  */
 248 static void
 249 parse_fwd_portmask(const char *portmask)
 250 {
 251         char *end;
 252         unsigned long long int pm;
 253
 254         /* parse hexadecimal string */
 255         end = NULL;
 256         pm = strtoull(portmask, &end, 16);
 257         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 258                 rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
 259         else
 260                 set_fwd_ports_mask((uint64_t) pm);
 261 }
 262
 263
 264 static int
 265 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
 266 {
 267         char s[256];
 268         const char *p, *p0 = q_arg;
 269         char *end;
 270         enum fieldnames {
 271                 FLD_PORT = 0,
 272                 FLD_QUEUE,
 273                 FLD_STATS_COUNTER,
 274                 _NUM_FLD
 275         };
 276         unsigned long int_fld[_NUM_FLD];
 277         char *str_fld[_NUM_FLD];
 278         int i;
 279         unsigned size;
 280
 281         /* reset from value set at definition */
 282         is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
 283
 284         while ((p = strchr(p0,'(')) != NULL) {
 285                 ++p;
 286                 if((p0 = strchr(p,')')) == NULL)
 287                         return -1;
 288
 289                 size = p0 - p;
 290                 if(size >= sizeof(s))
 291                         return -1;
 292
 293                 snprintf(s, sizeof(s), "%.*s", size, p);
 294                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 295                         return -1;
 296                 for (i = 0; i < _NUM_FLD; i++){
 297                         errno = 0;
 298                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 299                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 300                                 return -1;
 301                 }
 302                 /* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
 303                 if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
 304                         printf("Stats counter not in the correct range 0..%d\n",
 305                                         RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
 306                         return -1;
 307                 }
 308
 309                 if (!is_rx) {
 310                         if ((nb_tx_queue_stats_mappings >=
 311                                                 MAX_TX_QUEUE_STATS_MAPPINGS)) {
 312                                 printf("exceeded max number of TX queue "
 313                                                 "statistics mappings: %hu\n",
 314                                                 nb_tx_queue_stats_mappings);
 315                                 return -1;
 316                         }
 317                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
 318                                 (uint8_t)int_fld[FLD_PORT];
 319                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
 320                                 (uint8_t)int_fld[FLD_QUEUE];
 321                         tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
 322                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 323                         ++nb_tx_queue_stats_mappings;
 324                 }
 325                 else {
 326                         if ((nb_rx_queue_stats_mappings >=
 327                                                 MAX_RX_QUEUE_STATS_MAPPINGS)) {
 328                                 printf("exceeded max number of RX queue "
 329                                                 "statistics mappings: %hu\n",
 330                                                 nb_rx_queue_stats_mappings);
 331                                 return -1;
 332                         }
 333                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
 334                                 (uint8_t)int_fld[FLD_PORT];
 335                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
 336                                 (uint8_t)int_fld[FLD_QUEUE];
 337                         rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
 338                                 (uint8_t)int_fld[FLD_STATS_COUNTER];
 339                         ++nb_rx_queue_stats_mappings;
 340                 }
 341
 342         }
 343 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
 344 /* than to the default array (that was set at its definition) */
 345         is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
 346                 (tx_queue_stats_mappings = tx_queue_stats_mappings_array);
 347         return 0;
 348 }
 349
 350 static void
 351 print_invalid_socket_id_error(void)
 352 {
 353         unsigned int i = 0;
 354
 355         printf("Invalid socket id, options are: ");
 356         for (i = 0; i < num_sockets; i++) {
 357                 printf("%u%s", socket_ids[i],
 358                       (i == num_sockets - 1) ? "\n" : ",");
 359         }
 360 }
 361
 362 static int
 363 parse_portnuma_config(const char *q_arg)
 364 {
 365         char s[256];
 366         const char *p, *p0 = q_arg;
 367         char *end;
 368         uint8_t i, socket_id;
 369         portid_t port_id;
 370         unsigned size;
 371         enum fieldnames {
 372                 FLD_PORT = 0,
 373                 FLD_SOCKET,
 374                 _NUM_FLD
 375         };
 376         unsigned long int_fld[_NUM_FLD];
 377         char *str_fld[_NUM_FLD];
 378         portid_t pid;
 379
 380         /* reset from value set at definition */
 381         while ((p = strchr(p0,'(')) != NULL) {
 382                 ++p;
 383                 if((p0 = strchr(p,')')) == NULL)
 384                         return -1;
 385
 386                 size = p0 - p;
 387                 if(size >= sizeof(s))
 388                         return -1;
 389
 390                 snprintf(s, sizeof(s), "%.*s", size, p);
 391                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 392                         return -1;
 393                 for (i = 0; i < _NUM_FLD; i++) {
 394                         errno = 0;
 395                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 396                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 397                                 return -1;
 398                 }
 399                 port_id = (portid_t)int_fld[FLD_PORT];
 400                 if (port_id_is_invalid(port_id, ENABLED_WARN) ||
 401                         port_id == (portid_t)RTE_PORT_ALL) {
 402                         printf("Valid port range is [0");
 403                         RTE_ETH_FOREACH_DEV(pid)
 404                                 printf(", %d", pid);
 405                         printf("]\n");
 406                         return -1;
 407                 }
 408                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 409                 if (new_socket_id(socket_id)) {
 410                         print_invalid_socket_id_error();
 411                         return -1;
 412                 }
 413                 port_numa[port_id] = socket_id;
 414         }
 415
 416         return 0;
 417 }
 418
 419 static int
 420 parse_ringnuma_config(const char *q_arg)
 421 {
 422         char s[256];
 423         const char *p, *p0 = q_arg;
 424         char *end;
 425         uint8_t i, ring_flag, socket_id;
 426         portid_t port_id;
 427         unsigned size;
 428         enum fieldnames {
 429                 FLD_PORT = 0,
 430                 FLD_FLAG,
 431                 FLD_SOCKET,
 432                 _NUM_FLD
 433         };
 434         unsigned long int_fld[_NUM_FLD];
 435         char *str_fld[_NUM_FLD];
 436         portid_t pid;
 437         #define RX_RING_ONLY 0x1
 438         #define TX_RING_ONLY 0x2
 439         #define RXTX_RING    0x3
 440
 441         /* reset from value set at definition */
 442         while ((p = strchr(p0,'(')) != NULL) {
 443                 ++p;
 444                 if((p0 = strchr(p,')')) == NULL)
 445                         return -1;
 446
 447                 size = p0 - p;
 448                 if(size >= sizeof(s))
 449                         return -1;
 450
 451                 snprintf(s, sizeof(s), "%.*s", size, p);
 452                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 453                         return -1;
 454                 for (i = 0; i < _NUM_FLD; i++) {
 455                         errno = 0;
 456                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 457                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 458                                 return -1;
 459                 }
 460                 port_id = (portid_t)int_fld[FLD_PORT];
 461                 if (port_id_is_invalid(port_id, ENABLED_WARN) ||
 462                         port_id == (portid_t)RTE_PORT_ALL) {
 463                         printf("Valid port range is [0");
 464                         RTE_ETH_FOREACH_DEV(pid)
 465                                 printf(", %d", pid);
 466                         printf("]\n");
 467                         return -1;
 468                 }
 469                 socket_id = (uint8_t)int_fld[FLD_SOCKET];
 470                 if (new_socket_id(socket_id)) {
 471                         print_invalid_socket_id_error();
 472                         return -1;
 473                 }
 474                 ring_flag = (uint8_t)int_fld[FLD_FLAG];
 475                 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
 476                         printf("Invalid ring-flag=%d config for port =%d\n",
 477                                 ring_flag,port_id);
 478                         return -1;
 479                 }
 480
 481                 switch (ring_flag & RXTX_RING) {
 482                 case RX_RING_ONLY:
 483                         rxring_numa[port_id] = socket_id;
 484                         break;
 485                 case TX_RING_ONLY:
 486                         txring_numa[port_id] = socket_id;
 487                         break;
 488                 case RXTX_RING:
 489                         rxring_numa[port_id] = socket_id;
 490                         txring_numa[port_id] = socket_id;
 491                         break;
 492                 default:
 493                         printf("Invalid ring-flag=%d config for port=%d\n",
 494                                 ring_flag,port_id);
 495                         break;
 496                 }
 497         }
 498
 499         return 0;
 500 }
 501
 502 static int
 503 parse_event_printing_config(const char *optarg, int enable)
 504 {
 505         uint32_t mask = 0;
 506
 507         if (!strcmp(optarg, "unknown"))
 508                 mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
 509         else if (!strcmp(optarg, "intr_lsc"))
 510                 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
 511         else if (!strcmp(optarg, "queue_state"))
 512                 mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
 513         else if (!strcmp(optarg, "intr_reset"))
 514                 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
 515         else if (!strcmp(optarg, "vf_mbox"))
 516                 mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
 517         else if (!strcmp(optarg, "macsec"))
 518                 mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
 519         else if (!strcmp(optarg, "intr_rmv"))
 520                 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
 521         else if (!strcmp(optarg, "all"))
 522                 mask = ~UINT32_C(0);
 523         else {
 524                 fprintf(stderr, "Invalid event: %s\n", optarg);
 525                 return -1;
 526         }
 527         if (enable)
 528                 event_print_mask |= mask;
 529         else
 530                 event_print_mask &= ~mask;
 531         return 0;
 532 }
 533
 534 void
 535 launch_args_parse(int argc, char** argv)
 536 {
 537         int n, opt;
 538         char **argvopt;
 539         int opt_idx;
 540         enum { TX, RX };
 541         /* Default offloads for all ports. */
 542         uint64_t rx_offloads = rx_mode.offloads;
 543         uint64_t tx_offloads = tx_mode.offloads;
 544
 545         static struct option lgopts[] = {
 546                 { "help",                       0, 0, 0 },
 547 #ifdef RTE_LIBRTE_CMDLINE
 548                 { "interactive",                0, 0, 0 },
 549                 { "cmdline-file",               1, 0, 0 },
 550                 { "auto-start",                 0, 0, 0 },
 551                 { "eth-peers-configfile",       1, 0, 0 },
 552                 { "eth-peer",                   1, 0, 0 },
 553 #endif
 554                 { "tx-first",                   0, 0, 0 },
 555                 { "stats-period",               1, 0, 0 },
 556                 { "ports",                      1, 0, 0 },
 557                 { "nb-cores",                   1, 0, 0 },
 558                 { "nb-ports",                   1, 0, 0 },
 559                 { "coremask",                   1, 0, 0 },
 560                 { "portmask",                   1, 0, 0 },
 561                 { "numa",                       0, 0, 0 },
 562                 { "no-numa",                    0, 0, 0 },
 563                 { "mp-anon",                    0, 0, 0 },
 564                 { "port-numa-config",           1, 0, 0 },
 565                 { "ring-numa-config",           1, 0, 0 },
 566                 { "socket-num",                 1, 0, 0 },
 567                 { "mbuf-size",                  1, 0, 0 },
 568                 { "total-num-mbufs",            1, 0, 0 },
 569                 { "max-pkt-len",                1, 0, 0 },
 570                 { "pkt-filter-mode",            1, 0, 0 },
 571                 { "pkt-filter-report-hash",     1, 0, 0 },
 572                 { "pkt-filter-size",            1, 0, 0 },
 573                 { "pkt-filter-drop-queue",      1, 0, 0 },
 574 #ifdef RTE_LIBRTE_LATENCY_STATS
 575                 { "latencystats",               1, 0, 0 },
 576 #endif
 577 #ifdef RTE_LIBRTE_BITRATE
 578                 { "bitrate-stats",              1, 0, 0 },
 579 #endif
 580                 { "disable-crc-strip",          0, 0, 0 },
 581                 { "enable-lro",                 0, 0, 0 },
 582                 { "enable-rx-cksum",            0, 0, 0 },
 583                 { "enable-rx-timestamp",        0, 0, 0 },
 584                 { "enable-scatter",             0, 0, 0 },
 585                 { "disable-hw-vlan",            0, 0, 0 },
 586                 { "disable-hw-vlan-filter",     0, 0, 0 },
 587                 { "disable-hw-vlan-strip",      0, 0, 0 },
 588                 { "disable-hw-vlan-extend",     0, 0, 0 },
 589                 { "enable-drop-en",            0, 0, 0 },
 590                 { "disable-rss",                0, 0, 0 },
 591                 { "port-topology",              1, 0, 0 },
 592                 { "forward-mode",               1, 0, 0 },
 593                 { "rss-ip",                     0, 0, 0 },
 594                 { "rss-udp",                    0, 0, 0 },
 595                 { "rxq",                        1, 0, 0 },
 596                 { "txq",                        1, 0, 0 },
 597                 { "rxd",                        1, 0, 0 },
 598                 { "txd",                        1, 0, 0 },
 599                 { "burst",                      1, 0, 0 },
 600                 { "mbcache",                    1, 0, 0 },
 601                 { "txpt",                       1, 0, 0 },
 602                 { "txht",                       1, 0, 0 },
 603                 { "txwt",                       1, 0, 0 },
 604                 { "txfreet",                    1, 0, 0 },
 605                 { "txrst",                      1, 0, 0 },
 606                 { "txqflags",                   1, 0, 0 },
 607                 { "rxpt",                       1, 0, 0 },
 608                 { "rxht",                       1, 0, 0 },
 609                 { "rxwt",                       1, 0, 0 },
 610                 { "rxfreet",                    1, 0, 0 },
 611                 { "tx-queue-stats-mapping",     1, 0, 0 },
 612                 { "rx-queue-stats-mapping",     1, 0, 0 },
 613                 { "no-flush-rx",        0, 0, 0 },
 614                 { "flow-isolate-all",           0, 0, 0 },
 615                 { "txpkts",                     1, 0, 0 },
 616                 { "disable-link-check",         0, 0, 0 },
 617                 { "no-lsc-interrupt",           0, 0, 0 },
 618                 { "no-rmv-interrupt",           0, 0, 0 },
 619                 { "print-event",                1, 0, 0 },
 620                 { "mask-event",                 1, 0, 0 },
 621                 { "tx-offloads",                1, 0, 0 },
 622                 { 0, 0, 0, 0 },
 623         };
 624
 625         argvopt = argv;
 626
 627 #ifdef RTE_LIBRTE_CMDLINE
 628 #define SHORTOPTS "i"
 629 #else
 630 #define SHORTOPTS ""
 631 #endif
 632         while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
 633                                  lgopts, &opt_idx)) != EOF) {
 634                 switch (opt) {
 635 #ifdef RTE_LIBRTE_CMDLINE
 636                 case 'i':
 637                         printf("Interactive-mode selected\n");
 638                         interactive = 1;
 639                         break;
 640 #endif
 641                 case 'a':
 642                         printf("Auto-start selected\n");
 643                         auto_start = 1;
 644                         break;
 645
 646                 case 0: /*long options */
 647                         if (!strcmp(lgopts[opt_idx].name, "help")) {
 648                                 usage(argv[0]);
 649                                 rte_exit(EXIT_SUCCESS, "Displayed help\n");
 650                         }
 651 #ifdef RTE_LIBRTE_CMDLINE
 652                         if (!strcmp(lgopts[opt_idx].name, "interactive")) {
 653                                 printf("Interactive-mode selected\n");
 654                                 interactive = 1;
 655                         }
 656                         if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
 657                                 printf("CLI commands to be read from %s\n",
 658                                        optarg);
 659                                 snprintf(cmdline_filename,
 660                                          sizeof(cmdline_filename), "%s",
 661                                          optarg);
 662                         }
 663                         if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
 664                                 printf("Auto-start selected\n");
 665                                 auto_start = 1;
 666                         }
 667                         if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
 668                                 printf("Ports to start sending a burst of "
 669                                                 "packets first\n");
 670                                 tx_first = 1;
 671                         }
 672                         if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
 673                                 char *end = NULL;
 674                                 unsigned int n;
 675
 676                                 n = strtoul(optarg, &end, 10);
 677                                 if ((optarg[0] == '\0') || (end == NULL) ||
 678                                                 (*end != '\0'))
 679                                         break;
 680
 681                                 stats_period = n;
 682                                 break;
 683                         }
 684                         if (!strcmp(lgopts[opt_idx].name,
 685                                     "eth-peers-configfile")) {
 686                                 if (init_peer_eth_addrs(optarg) != 0)
 687                                         rte_exit(EXIT_FAILURE,
 688                                                  "Cannot open logfile\n");
 689                         }
 690                         if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
 691                                 char *port_end;
 692                                 uint8_t c, peer_addr[6];
 693
 694                                 errno = 0;
 695                                 n = strtoul(optarg, &port_end, 10);
 696                                 if (errno != 0 || port_end == optarg || *port_end++ != ',')
 697                                         rte_exit(EXIT_FAILURE,
 698                                                  "Invalid eth-peer: %s", optarg);
 699                                 if (n >= RTE_MAX_ETHPORTS)
 700                                         rte_exit(EXIT_FAILURE,
 701                                                  "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 702                                                  n, RTE_MAX_ETHPORTS);
 703
 704                                 if (cmdline_parse_etheraddr(NULL, port_end,
 705                                                 &peer_addr, sizeof(peer_addr)) < 0)
 706                                         rte_exit(EXIT_FAILURE,
 707                                                  "Invalid ethernet address: %s\n",
 708                                                  port_end);
 709                                 for (c = 0; c < 6; c++)
 710                                         peer_eth_addrs[n].addr_bytes[c] =
 711                                                 peer_addr[c];
 712                                 nb_peer_eth_addrs++;
 713                         }
 714 #endif
 715                         if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
 716                                 n = atoi(optarg);
 717                                 if (n > 0 && n <= nb_ports)
 718                                         nb_fwd_ports = n;
 719                                 else
 720                                         rte_exit(EXIT_FAILURE,
 721                                                  "Invalid port %d\n", n);
 722                         }
 723                         if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
 724                                 n = atoi(optarg);
 725                                 if (n > 0 && n <= nb_lcores)
 726                                         nb_fwd_lcores = (uint8_t) n;
 727                                 else
 728                                         rte_exit(EXIT_FAILURE,
 729                                                  "nb-cores should be > 0 and <= %d\n",
 730                                                  nb_lcores);
 731                         }
 732                         if (!strcmp(lgopts[opt_idx].name, "coremask"))
 733                                 parse_fwd_coremask(optarg);
 734                         if (!strcmp(lgopts[opt_idx].name, "portmask"))
 735                                 parse_fwd_portmask(optarg);
 736                         if (!strcmp(lgopts[opt_idx].name, "no-numa"))
 737                                 numa_support = 0;
 738                         if (!strcmp(lgopts[opt_idx].name, "numa"))
 739                                 numa_support = 1;
 740                         if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
 741                                 mp_anon = 1;
 742                         }
 743                         if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
 744                                 if (parse_portnuma_config(optarg))
 745                                         rte_exit(EXIT_FAILURE,
 746                                            "invalid port-numa configuration\n");
 747                         }
 748                         if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
 749                                 if (parse_ringnuma_config(optarg))
 750                                         rte_exit(EXIT_FAILURE,
 751                                            "invalid ring-numa configuration\n");
 752                         if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
 753                                 n = atoi(optarg);
 754                                 if (!new_socket_id((uint8_t)n)) {
 755                                         socket_num = (uint8_t)n;
 756                                 } else {
 757                                         print_invalid_socket_id_error();
 758                                         rte_exit(EXIT_FAILURE,
 759                                                 "Invalid socket id");
 760                                 }
 761                         }
 762                         if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
 763                                 n = atoi(optarg);
 764                                 if (n > 0 && n <= 0xFFFF)
 765                                         mbuf_data_size = (uint16_t) n;
 766                                 else
 767                                         rte_exit(EXIT_FAILURE,
 768                                                  "mbuf-size should be > 0 and < 65536\n");
 769                         }
 770                         if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
 771                                 n = atoi(optarg);
 772                                 if (n > 1024)
 773                                         param_total_num_mbufs = (unsigned)n;
 774                                 else
 775                                         rte_exit(EXIT_FAILURE,
 776                                                  "total-num-mbufs should be > 1024\n");
 777                         }
 778                         if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
 779                                 n = atoi(optarg);
 780                                 if (n >= ETHER_MIN_LEN) {
 781                                         rx_mode.max_rx_pkt_len = (uint32_t) n;
 782                                         if (n > ETHER_MAX_LEN)
 783                                                 rx_offloads |=
 784                                                         DEV_RX_OFFLOAD_JUMBO_FRAME;
 785                                 } else
 786                                         rte_exit(EXIT_FAILURE,
 787                                                  "Invalid max-pkt-len=%d - should be > %d\n",
 788                                                  n, ETHER_MIN_LEN);
 789                         }
 790                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
 791                                 if (!strcmp(optarg, "signature"))
 792                                         fdir_conf.mode =
 793                                                 RTE_FDIR_MODE_SIGNATURE;
 794                                 else if (!strcmp(optarg, "perfect"))
 795                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
 796                                 else if (!strcmp(optarg, "perfect-mac-vlan"))
 797                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
 798                                 else if (!strcmp(optarg, "perfect-tunnel"))
 799                                         fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
 800                                 else if (!strcmp(optarg, "none"))
 801                                         fdir_conf.mode = RTE_FDIR_MODE_NONE;
 802                                 else
 803                                         rte_exit(EXIT_FAILURE,
 804                                                  "pkt-mode-invalid %s invalid - must be: "
 805                                                  "none, signature, perfect, perfect-mac-vlan"
 806                                                  " or perfect-tunnel\n",
 807                                                  optarg);
 808                         }
 809                         if (!strcmp(lgopts[opt_idx].name,
 810                                     "pkt-filter-report-hash")) {
 811                                 if (!strcmp(optarg, "none"))
 812                                         fdir_conf.status =
 813                                                 RTE_FDIR_NO_REPORT_STATUS;
 814                                 else if (!strcmp(optarg, "match"))
 815                                         fdir_conf.status =
 816                                                 RTE_FDIR_REPORT_STATUS;
 817                                 else if (!strcmp(optarg, "always"))
 818                                         fdir_conf.status =
 819                                                 RTE_FDIR_REPORT_STATUS_ALWAYS;
 820                                 else
 821                                         rte_exit(EXIT_FAILURE,
 822                                                  "pkt-filter-report-hash %s invalid "
 823                                                  "- must be: none or match or always\n",
 824                                                  optarg);
 825                         }
 826                         if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
 827                                 if (!strcmp(optarg, "64K"))
 828                                         fdir_conf.pballoc =
 829                                                 RTE_FDIR_PBALLOC_64K;
 830                                 else if (!strcmp(optarg, "128K"))
 831                                         fdir_conf.pballoc =
 832                                                 RTE_FDIR_PBALLOC_128K;
 833                                 else if (!strcmp(optarg, "256K"))
 834                                         fdir_conf.pballoc =
 835                                                 RTE_FDIR_PBALLOC_256K;
 836                                 else
 837                                         rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
 838                                                  " must be: 64K or 128K or 256K\n",
 839                                                  optarg);
 840                         }
 841                         if (!strcmp(lgopts[opt_idx].name,
 842                                     "pkt-filter-drop-queue")) {
 843                                 n = atoi(optarg);
 844                                 if (n >= 0)
 845                                         fdir_conf.drop_queue = (uint8_t) n;
 846                                 else
 847                                         rte_exit(EXIT_FAILURE,
 848                                                  "drop queue %d invalid - must"
 849                                                  "be >= 0 \n", n);
 850                         }
 851 #ifdef RTE_LIBRTE_LATENCY_STATS
 852                         if (!strcmp(lgopts[opt_idx].name,
 853                                     "latencystats")) {
 854                                 n = atoi(optarg);
 855                                 if (n >= 0) {
 856                                         latencystats_lcore_id = (lcoreid_t) n;
 857                                         latencystats_enabled = 1;
 858                                 } else
 859                                         rte_exit(EXIT_FAILURE,
 860                                                  "invalid lcore id %d for latencystats"
 861                                                  " must be >= 0\n", n);
 862                         }
 863 #endif
 864 #ifdef RTE_LIBRTE_BITRATE
 865                         if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
 866                                 n = atoi(optarg);
 867                                 if (n >= 0) {
 868                                         bitrate_lcore_id = (lcoreid_t) n;
 869                                         bitrate_enabled = 1;
 870                                 } else
 871                                         rte_exit(EXIT_FAILURE,
 872                                                  "invalid lcore id %d for bitrate stats"
 873                                                  " must be >= 0\n", n);
 874                         }
 875 #endif
 876                         if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
 877                                 rx_offloads &= ~DEV_RX_OFFLOAD_CRC_STRIP;
 878                         if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
 879                                 rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
 880                         if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
 881                                 rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
 882                         if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
 883                                 rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
 884                         if (!strcmp(lgopts[opt_idx].name,
 885                                         "enable-rx-timestamp"))
 886                                 rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
 887                         if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan"))
 888                                 rx_offloads &= ~DEV_RX_OFFLOAD_VLAN;
 889
 890                         if (!strcmp(lgopts[opt_idx].name,
 891                                         "disable-hw-vlan-filter"))
 892                                 rx_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
 893
 894                         if (!strcmp(lgopts[opt_idx].name,
 895                                         "disable-hw-vlan-strip"))
 896                                 rx_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
 897
 898                         if (!strcmp(lgopts[opt_idx].name,
 899                                         "disable-hw-vlan-extend"))
 900                                 rx_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
 901
 902                         if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
 903                                 rx_drop_en = 1;
 904
 905                         if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
 906                                 rss_hf = 0;
 907                         if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
 908                                 if (!strcmp(optarg, "paired"))
 909                                         port_topology = PORT_TOPOLOGY_PAIRED;
 910                                 else if (!strcmp(optarg, "chained"))
 911                                         port_topology = PORT_TOPOLOGY_CHAINED;
 912                                 else if (!strcmp(optarg, "loop"))
 913                                         port_topology = PORT_TOPOLOGY_LOOP;
 914                                 else
 915                                         rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
 916                                                  " must be: paired, chained or loop\n",
 917                                                  optarg);
 918                         }
 919                         if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
 920                                 set_pkt_forwarding_mode(optarg);
 921                         if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
 922                                 rss_hf = ETH_RSS_IP;
 923                         if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
 924                                 rss_hf = ETH_RSS_UDP;
 925                         if (!strcmp(lgopts[opt_idx].name, "rxq")) {
 926                                 n = atoi(optarg);
 927                                 if (n >= 0 && n <= (int) MAX_QUEUE_ID)
 928                                         nb_rxq = (queueid_t) n;
 929                                 else
 930                                         rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
 931                                                   " >= 0 && <= %d\n", n,
 932                                                   (int) MAX_QUEUE_ID);
 933                         }
 934                         if (!strcmp(lgopts[opt_idx].name, "txq")) {
 935                                 n = atoi(optarg);
 936                                 if (n >= 0 && n <= (int) MAX_QUEUE_ID)
 937                                         nb_txq = (queueid_t) n;
 938                                 else
 939                                         rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
 940                                                   " >= 0 && <= %d\n", n,
 941                                                   (int) MAX_QUEUE_ID);
 942                         }
 943                         if (!nb_rxq && !nb_txq) {
 944                                 rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
 945                                                 "be non-zero\n");
 946                         }
 947                         if (!strcmp(lgopts[opt_idx].name, "burst")) {
 948                                 n = atoi(optarg);
 949                                 if ((n >= 1) && (n <= MAX_PKT_BURST))
 950                                         nb_pkt_per_burst = (uint16_t) n;
 951                                 else
 952                                         rte_exit(EXIT_FAILURE,
 953                                                  "burst must >= 1 and <= %d]",
 954                                                  MAX_PKT_BURST);
 955                         }
 956                         if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
 957                                 n = atoi(optarg);
 958                                 if ((n >= 0) &&
 959                                     (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
 960                                         mb_mempool_cache = (uint16_t) n;
 961                                 else
 962                                         rte_exit(EXIT_FAILURE,
 963                                                  "mbcache must be >= 0 and <= %d\n",
 964                                                  RTE_MEMPOOL_CACHE_MAX_SIZE);
 965                         }
 966                         if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
 967                                 n = atoi(optarg);
 968                                 if (n >= 0)
 969                                         tx_free_thresh = (int16_t)n;
 970                                 else
 971                                         rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
 972                         }
 973                         if (!strcmp(lgopts[opt_idx].name, "txrst")) {
 974                                 n = atoi(optarg);
 975                                 if (n >= 0)
 976                                         tx_rs_thresh = (int16_t)n;
 977                                 else
 978                                         rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
 979                         }
 980                         if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
 981                                 char *end = NULL;
 982                                 n = strtoul(optarg, &end, 16);
 983                                 if (n >= 0)
 984                                         txq_flags = (int32_t)n;
 985                                 else
 986                                         rte_exit(EXIT_FAILURE,
 987                                                  "txqflags must be >= 0\n");
 988                         }
 989                         if (!strcmp(lgopts[opt_idx].name, "rxd")) {
 990                                 n = atoi(optarg);
 991                                 if (n > 0) {
 992                                         if (rx_free_thresh >= n)
 993                                                 rte_exit(EXIT_FAILURE,
 994                                                          "rxd must be > "
 995                                                          "rx_free_thresh(%d)\n",
 996                                                          (int)rx_free_thresh);
 997                                         else
 998                                                 nb_rxd = (uint16_t) n;
 999                                 } else
1000                                         rte_exit(EXIT_FAILURE,
1001                                                  "rxd(%d) invalid - must be > 0\n",
1002                                                  n);
1003                         }
1004                         if (!strcmp(lgopts[opt_idx].name, "txd")) {
1005                                 n = atoi(optarg);
1006                                 if (n > 0)
1007                                         nb_txd = (uint16_t) n;
1008                                 else
1009                                         rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1010                         }
1011                         if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1012                                 n = atoi(optarg);
1013                                 if (n >= 0)
1014                                         tx_pthresh = (int8_t)n;
1015                                 else
1016                                         rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1017                         }
1018                         if (!strcmp(lgopts[opt_idx].name, "txht")) {
1019                                 n = atoi(optarg);
1020                                 if (n >= 0)
1021                                         tx_hthresh = (int8_t)n;
1022                                 else
1023                                         rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1024                         }
1025                         if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1026                                 n = atoi(optarg);
1027                                 if (n >= 0)
1028                                         tx_wthresh = (int8_t)n;
1029                                 else
1030                                         rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1031                         }
1032                         if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1033                                 n = atoi(optarg);
1034                                 if (n >= 0)
1035                                         rx_pthresh = (int8_t)n;
1036                                 else
1037                                         rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1038                         }
1039                         if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1040                                 n = atoi(optarg);
1041                                 if (n >= 0)
1042                                         rx_hthresh = (int8_t)n;
1043                                 else
1044                                         rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1045                         }
1046                         if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1047                                 n = atoi(optarg);
1048                                 if (n >= 0)
1049                                         rx_wthresh = (int8_t)n;
1050                                 else
1051                                         rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1052                         }
1053                         if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1054                                 n = atoi(optarg);
1055                                 if (n >= 0)
1056                                         rx_free_thresh = (int16_t)n;
1057                                 else
1058                                         rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1059                         }
1060                         if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1061                                 if (parse_queue_stats_mapping_config(optarg, TX)) {
1062                                         rte_exit(EXIT_FAILURE,
1063                                                  "invalid TX queue statistics mapping config entered\n");
1064                                 }
1065                         }
1066                         if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1067                                 if (parse_queue_stats_mapping_config(optarg, RX)) {
1068                                         rte_exit(EXIT_FAILURE,
1069                                                  "invalid RX queue statistics mapping config entered\n");
1070                                 }
1071                         }
1072                         if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1073                                 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1074                                 unsigned int nb_segs;
1075
1076                                 nb_segs = parse_item_list(optarg, "txpkt segments",
1077                                                 RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1078                                 if (nb_segs > 0)
1079                                         set_tx_pkt_segments(seg_lengths, nb_segs);
1080                                 else
1081                                         rte_exit(EXIT_FAILURE, "bad txpkts\n");
1082                         }
1083                         if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1084                                 no_flush_rx = 1;
1085                         if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1086                                 no_link_check = 1;
1087                         if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1088                                 lsc_interrupt = 0;
1089                         if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1090                                 rmv_interrupt = 0;
1091                         if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1092                                 flow_isolate_all = 1;
1093                         if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1094                                 char *end = NULL;
1095                                 n = strtoull(optarg, &end, 16);
1096                                 if (n >= 0)
1097                                         tx_offloads = (uint64_t)n;
1098                                 else
1099                                         rte_exit(EXIT_FAILURE,
1100                                                  "tx-offloads must be >= 0\n");
1101                         }
1102                         if (!strcmp(lgopts[opt_idx].name, "print-event"))
1103                                 if (parse_event_printing_config(optarg, 1)) {
1104                                         rte_exit(EXIT_FAILURE,
1105                                                  "invalid print-event argument\n");
1106                                 }
1107                         if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1108                                 if (parse_event_printing_config(optarg, 0)) {
1109                                         rte_exit(EXIT_FAILURE,
1110                                                  "invalid mask-event argument\n");
1111                                 }
1112
1113                         break;
1114                 case 'h':
1115                         usage(argv[0]);
1116                         rte_exit(EXIT_SUCCESS, "Displayed help\n");
1117                         break;
1118                 default:
1119                         usage(argv[0]);
1120                         rte_exit(EXIT_FAILURE,
1121                                  "Command line is incomplete or incorrect\n");
1122                         break;
1123                 }
1124         }
1125
1126         /* Set offload configuration from command line parameters. */
1127         rx_mode.offloads = rx_offloads;
1128         tx_mode.offloads = tx_offloads;
1129 }