1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <errno.h> 35 #include <getopt.h> 36 #include <stdarg.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <signal.h> 40 #include <string.h> 41 #include <time.h> 42 #include <fcntl.h> 43 #include <sys/types.h> 44 #include <errno.h> 45 46 #include <sys/queue.h> 47 #include <sys/stat.h> 48 49 #include <stdint.h> 50 #include <unistd.h> 51 #include <inttypes.h> 52 53 #include <rte_common.h> 54 #include <rte_byteorder.h> 55 #include <rte_log.h> 56 #include <rte_debug.h> 57 #include <rte_cycles.h> 58 #include <rte_memory.h> 59 #include <rte_memzone.h> 60 #include <rte_launch.h> 61 #include <rte_eal.h> 62 #include <rte_per_lcore.h> 63 #include <rte_lcore.h> 64 #include <rte_atomic.h> 65 #include <rte_branch_prediction.h> 66 #include <rte_mempool.h> 67 #include <rte_interrupts.h> 68 #include <rte_pci.h> 69 #include <rte_ether.h> 70 #include <rte_ethdev.h> 71 #include <rte_string_fns.h> 72 #ifdef RTE_LIBRTE_CMDLINE 73 #include <cmdline_parse.h> 74 #include <cmdline_parse_etheraddr.h> 75 #endif 76 #ifdef RTE_LIBRTE_PMD_BOND 77 #include <rte_eth_bond.h> 78 #endif 79 #include <rte_flow.h> 80 81 #include "testpmd.h" 82 83 static void 84 usage(char* progname) 85 { 86 printf("usage: %s " 87 #ifdef RTE_LIBRTE_CMDLINE 88 "[--interactive|-i] " 89 "[--cmdline-file=FILENAME] " 90 #endif 91 "[--help|-h] | [--auto-start|-a] | [" 92 "--tx-first | --stats-period=PERIOD | " 93 "--coremask=COREMASK --portmask=PORTMASK --numa " 94 "--mbuf-size= | --total-num-mbufs= | " 95 "--nb-cores= | --nb-ports= | " 96 #ifdef RTE_LIBRTE_CMDLINE 97 "--eth-peers-configfile= | " 98 "--eth-peer=X,M:M:M:M:M:M | " 99 #endif 100 "--pkt-filter-mode= |" 101 "--rss-ip | --rss-udp | " 102 "--rxpt= | --rxht= | --rxwt= | --rxfreet= | " 103 "--txpt= | --txht= | --txwt= | --txfreet= | " 104 "--txrst= | --txqflags= ]\n", 105 progname); 106 #ifdef RTE_LIBRTE_CMDLINE 107 printf(" --interactive: run in interactive mode.\n"); 108 printf(" --cmdline-file: execute cli commands before startup.\n"); 109 #endif 110 printf(" --auto-start: start forwarding on init " 111 "[always when non-interactive].\n"); 112 printf(" --help: display this message and quit.\n"); 113 printf(" --tx-first: start forwarding sending a burst first " 114 "(only if interactive is disabled).\n"); 115 printf(" --stats-period=PERIOD: statistics will be shown " 116 "every PERIOD seconds (only if interactive is disabled).\n"); 117 printf(" --nb-cores=N: set the number of forwarding cores " 118 "(1 <= N <= %d).\n", nb_lcores); 119 printf(" --nb-ports=N: set the number of forwarding ports " 120 "(1 <= N <= %d).\n", nb_ports); 121 printf(" --coremask=COREMASK: hexadecimal bitmask of cores running " 122 "the packet forwarding test. The master lcore is reserved for " 123 "command line parsing only, and cannot be masked on for " 124 "packet forwarding.\n"); 125 printf(" --portmask=PORTMASK: hexadecimal bitmask of ports used " 126 "by the packet forwarding test.\n"); 127 printf(" --numa: enable NUMA-aware allocation of RX/TX rings and of " 128 "RX memory buffers (mbufs).\n"); 129 printf(" --port-numa-config=(port,socket)[,(port,socket)]: " 130 "specify the socket on which the memory pool " 131 "used by the port will be allocated.\n"); 132 printf(" --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: " 133 "specify the socket on which the TX/RX rings for " 134 "the port will be allocated " 135 "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n"); 136 printf(" --socket-num=N: set socket from which all memory is allocated " 137 "in NUMA mode.\n"); 138 printf(" --mbuf-size=N: set the data size of mbuf to N bytes.\n"); 139 printf(" --total-num-mbufs=N: set the number of mbufs to be allocated " 140 "in mbuf pools.\n"); 141 printf(" --max-pkt-len=N: set the maximum size of packet to N bytes.\n"); 142 #ifdef RTE_LIBRTE_CMDLINE 143 printf(" --eth-peers-configfile=name: config file with ethernet addresses " 144 "of peer ports.\n"); 145 printf(" --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer " 146 "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS); 147 #endif 148 printf(" --pkt-filter-mode=N: set Flow Director mode " 149 "(N: none (default mode) or signature or perfect).\n"); 150 printf(" --pkt-filter-report-hash=N: set Flow Director report mode " 151 "(N: none or match (default) or always).\n"); 152 printf(" --pkt-filter-size=N: set Flow Director mode " 153 "(N: 64K (default mode) or 128K or 256K).\n"); 154 printf(" --pkt-filter-drop-queue=N: set drop-queue. " 155 "In perfect mode, when you add a rule with queue = -1 " 156 "the packet will be enqueued into the rx drop-queue. " 157 "If the drop-queue doesn't exist, the packet is dropped. " 158 "By default drop-queue=127.\n"); 159 #ifdef RTE_LIBRTE_LATENCY_STATS 160 printf(" --latencystats=N: enable latency and jitter statistcs " 161 "monitoring on forwarding lcore id N.\n"); 162 #endif 163 printf(" --disable-crc-strip: disable CRC stripping by hardware.\n"); 164 printf(" --enable-lro: enable large receive offload.\n"); 165 printf(" --enable-rx-cksum: enable rx hardware checksum offload.\n"); 166 printf(" --disable-hw-vlan: disable hardware vlan.\n"); 167 printf(" --disable-hw-vlan-filter: disable hardware vlan filter.\n"); 168 printf(" --disable-hw-vlan-strip: disable hardware vlan strip.\n"); 169 printf(" --disable-hw-vlan-extend: disable hardware vlan extend.\n"); 170 printf(" --enable-drop-en: enable per queue packet drop.\n"); 171 printf(" --disable-rss: disable rss.\n"); 172 printf(" --port-topology=N: set port topology (N: paired (default) or " 173 "chained).\n"); 174 printf(" --forward-mode=N: set forwarding mode (N: %s).\n", 175 list_pkt_forwarding_modes()); 176 printf(" --rss-ip: set RSS functions to IPv4/IPv6 only .\n"); 177 printf(" --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n"); 178 printf(" --rxq=N: set the number of RX queues per port to N.\n"); 179 printf(" --rxd=N: set the number of descriptors in RX rings to N.\n"); 180 printf(" --txq=N: set the number of TX queues per port to N.\n"); 181 printf(" --txd=N: set the number of descriptors in TX rings to N.\n"); 182 printf(" --burst=N: set the number of packets per burst to N.\n"); 183 printf(" --mbcache=N: set the cache of mbuf memory pool to N.\n"); 184 printf(" --rxpt=N: set prefetch threshold register of RX rings to N.\n"); 185 printf(" --rxht=N: set the host threshold register of RX rings to N.\n"); 186 printf(" --rxfreet=N: set the free threshold of RX descriptors to N " 187 "(0 <= N < value of rxd).\n"); 188 printf(" --rxwt=N: set the write-back threshold register of RX rings to N.\n"); 189 printf(" --txpt=N: set the prefetch threshold register of TX rings to N.\n"); 190 printf(" --txht=N: set the nhost threshold register of TX rings to N.\n"); 191 printf(" --txwt=N: set the write-back threshold register of TX rings to N.\n"); 192 printf(" --txfreet=N: set the transmit free threshold of TX rings to N " 193 "(0 <= N <= value of txd).\n"); 194 printf(" --txrst=N: set the transmit RS bit threshold of TX rings to N " 195 "(0 <= N <= value of txd).\n"); 196 printf(" --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags " 197 "(0 <= N <= 0x7FFFFFFF).\n"); 198 printf(" --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: " 199 "tx queues statistics counters mapping " 200 "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1); 201 printf(" --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: " 202 "rx queues statistics counters mapping " 203 "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1); 204 printf(" --no-flush-rx: Don't flush RX streams before forwarding." 205 " Used mainly with PCAP drivers.\n"); 206 printf(" --txpkts=X[,Y]*: set TX segment sizes" 207 " or total packet length.\n"); 208 printf(" --disable-link-check: disable check on link status when " 209 "starting/stopping ports.\n"); 210 printf(" --no-lsc-interrupt: disable link status change interrupt.\n"); 211 printf(" --no-rmv-interrupt: disable device removal interrupt.\n"); 212 printf(" --bitrate-stats=N: set the logical core N to perform " 213 "bit-rate calculation.\n"); 214 printf(" --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: " 215 "enable print of designated event or all of them."); 216 printf(" --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: " 217 "disable print of designated event or all of them."); 218 } 219 220 #ifdef RTE_LIBRTE_CMDLINE 221 static int 222 init_peer_eth_addrs(char *config_filename) 223 { 224 FILE *config_file; 225 portid_t i; 226 char buf[50]; 227 228 config_file = fopen(config_filename, "r"); 229 if (config_file == NULL) { 230 perror("Failed to open eth config file\n"); 231 return -1; 232 } 233 234 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 235 236 if (fgets(buf, sizeof(buf), config_file) == NULL) 237 break; 238 239 if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i], 240 sizeof(peer_eth_addrs[i])) < 0) { 241 printf("Bad MAC address format on line %d\n", i+1); 242 fclose(config_file); 243 return -1; 244 } 245 } 246 fclose(config_file); 247 nb_peer_eth_addrs = (portid_t) i; 248 return 0; 249 } 250 #endif 251 252 /* 253 * Parse the coremask given as argument (hexadecimal string) and set 254 * the global configuration of forwarding cores. 255 */ 256 static void 257 parse_fwd_coremask(const char *coremask) 258 { 259 char *end; 260 unsigned long long int cm; 261 262 /* parse hexadecimal string */ 263 end = NULL; 264 cm = strtoull(coremask, &end, 16); 265 if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0')) 266 rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n"); 267 else if (set_fwd_lcores_mask((uint64_t) cm) < 0) 268 rte_exit(EXIT_FAILURE, "coremask is not valid\n"); 269 } 270 271 /* 272 * Parse the coremask given as argument (hexadecimal string) and set 273 * the global configuration of forwarding cores. 274 */ 275 static void 276 parse_fwd_portmask(const char *portmask) 277 { 278 char *end; 279 unsigned long long int pm; 280 281 /* parse hexadecimal string */ 282 end = NULL; 283 pm = strtoull(portmask, &end, 16); 284 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 285 rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n"); 286 else 287 set_fwd_ports_mask((uint64_t) pm); 288 } 289 290 291 static int 292 parse_queue_stats_mapping_config(const char *q_arg, int is_rx) 293 { 294 char s[256]; 295 const char *p, *p0 = q_arg; 296 char *end; 297 enum fieldnames { 298 FLD_PORT = 0, 299 FLD_QUEUE, 300 FLD_STATS_COUNTER, 301 _NUM_FLD 302 }; 303 unsigned long int_fld[_NUM_FLD]; 304 char *str_fld[_NUM_FLD]; 305 int i; 306 unsigned size; 307 308 /* reset from value set at definition */ 309 is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0); 310 311 while ((p = strchr(p0,'(')) != NULL) { 312 ++p; 313 if((p0 = strchr(p,')')) == NULL) 314 return -1; 315 316 size = p0 - p; 317 if(size >= sizeof(s)) 318 return -1; 319 320 snprintf(s, sizeof(s), "%.*s", size, p); 321 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 322 return -1; 323 for (i = 0; i < _NUM_FLD; i++){ 324 errno = 0; 325 int_fld[i] = strtoul(str_fld[i], &end, 0); 326 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 327 return -1; 328 } 329 /* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */ 330 if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) { 331 printf("Stats counter not in the correct range 0..%d\n", 332 RTE_ETHDEV_QUEUE_STAT_CNTRS - 1); 333 return -1; 334 } 335 336 if (!is_rx) { 337 if ((nb_tx_queue_stats_mappings >= 338 MAX_TX_QUEUE_STATS_MAPPINGS)) { 339 printf("exceeded max number of TX queue " 340 "statistics mappings: %hu\n", 341 nb_tx_queue_stats_mappings); 342 return -1; 343 } 344 tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id = 345 (uint8_t)int_fld[FLD_PORT]; 346 tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id = 347 (uint8_t)int_fld[FLD_QUEUE]; 348 tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id = 349 (uint8_t)int_fld[FLD_STATS_COUNTER]; 350 ++nb_tx_queue_stats_mappings; 351 } 352 else { 353 if ((nb_rx_queue_stats_mappings >= 354 MAX_RX_QUEUE_STATS_MAPPINGS)) { 355 printf("exceeded max number of RX queue " 356 "statistics mappings: %hu\n", 357 nb_rx_queue_stats_mappings); 358 return -1; 359 } 360 rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id = 361 (uint8_t)int_fld[FLD_PORT]; 362 rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id = 363 (uint8_t)int_fld[FLD_QUEUE]; 364 rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id = 365 (uint8_t)int_fld[FLD_STATS_COUNTER]; 366 ++nb_rx_queue_stats_mappings; 367 } 368 369 } 370 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */ 371 /* than to the default array (that was set at its definition) */ 372 is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) : 373 (tx_queue_stats_mappings = tx_queue_stats_mappings_array); 374 return 0; 375 } 376 377 static void 378 print_invalid_socket_id_error(void) 379 { 380 unsigned int i = 0; 381 382 printf("Invalid socket id, options are: "); 383 for (i = 0; i < num_sockets; i++) { 384 printf("%u%s", socket_ids[i], 385 (i == num_sockets - 1) ? "\n" : ","); 386 } 387 } 388 389 static int 390 parse_portnuma_config(const char *q_arg) 391 { 392 char s[256]; 393 const char *p, *p0 = q_arg; 394 char *end; 395 uint8_t i,port_id,socket_id; 396 unsigned size; 397 enum fieldnames { 398 FLD_PORT = 0, 399 FLD_SOCKET, 400 _NUM_FLD 401 }; 402 unsigned long int_fld[_NUM_FLD]; 403 char *str_fld[_NUM_FLD]; 404 portid_t pid; 405 406 /* reset from value set at definition */ 407 while ((p = strchr(p0,'(')) != NULL) { 408 ++p; 409 if((p0 = strchr(p,')')) == NULL) 410 return -1; 411 412 size = p0 - p; 413 if(size >= sizeof(s)) 414 return -1; 415 416 snprintf(s, sizeof(s), "%.*s", size, p); 417 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 418 return -1; 419 for (i = 0; i < _NUM_FLD; i++) { 420 errno = 0; 421 int_fld[i] = strtoul(str_fld[i], &end, 0); 422 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 423 return -1; 424 } 425 port_id = (uint8_t)int_fld[FLD_PORT]; 426 if (port_id_is_invalid(port_id, ENABLED_WARN)) { 427 printf("Valid port range is [0"); 428 RTE_ETH_FOREACH_DEV(pid) 429 printf(", %d", pid); 430 printf("]\n"); 431 return -1; 432 } 433 socket_id = (uint8_t)int_fld[FLD_SOCKET]; 434 if (new_socket_id(socket_id)) { 435 print_invalid_socket_id_error(); 436 return -1; 437 } 438 port_numa[port_id] = socket_id; 439 } 440 441 return 0; 442 } 443 444 static int 445 parse_ringnuma_config(const char *q_arg) 446 { 447 char s[256]; 448 const char *p, *p0 = q_arg; 449 char *end; 450 uint8_t i,port_id,ring_flag,socket_id; 451 unsigned size; 452 enum fieldnames { 453 FLD_PORT = 0, 454 FLD_FLAG, 455 FLD_SOCKET, 456 _NUM_FLD 457 }; 458 unsigned long int_fld[_NUM_FLD]; 459 char *str_fld[_NUM_FLD]; 460 portid_t pid; 461 #define RX_RING_ONLY 0x1 462 #define TX_RING_ONLY 0x2 463 #define RXTX_RING 0x3 464 465 /* reset from value set at definition */ 466 while ((p = strchr(p0,'(')) != NULL) { 467 ++p; 468 if((p0 = strchr(p,')')) == NULL) 469 return -1; 470 471 size = p0 - p; 472 if(size >= sizeof(s)) 473 return -1; 474 475 snprintf(s, sizeof(s), "%.*s", size, p); 476 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) 477 return -1; 478 for (i = 0; i < _NUM_FLD; i++) { 479 errno = 0; 480 int_fld[i] = strtoul(str_fld[i], &end, 0); 481 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) 482 return -1; 483 } 484 port_id = (uint8_t)int_fld[FLD_PORT]; 485 if (port_id_is_invalid(port_id, ENABLED_WARN)) { 486 printf("Valid port range is [0"); 487 RTE_ETH_FOREACH_DEV(pid) 488 printf(", %d", pid); 489 printf("]\n"); 490 return -1; 491 } 492 socket_id = (uint8_t)int_fld[FLD_SOCKET]; 493 if (new_socket_id(socket_id)) { 494 print_invalid_socket_id_error(); 495 return -1; 496 } 497 ring_flag = (uint8_t)int_fld[FLD_FLAG]; 498 if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) { 499 printf("Invalid ring-flag=%d config for port =%d\n", 500 ring_flag,port_id); 501 return -1; 502 } 503 504 switch (ring_flag & RXTX_RING) { 505 case RX_RING_ONLY: 506 rxring_numa[port_id] = socket_id; 507 break; 508 case TX_RING_ONLY: 509 txring_numa[port_id] = socket_id; 510 break; 511 case RXTX_RING: 512 rxring_numa[port_id] = socket_id; 513 txring_numa[port_id] = socket_id; 514 break; 515 default: 516 printf("Invalid ring-flag=%d config for port=%d\n", 517 ring_flag,port_id); 518 break; 519 } 520 } 521 522 return 0; 523 } 524 525 static int 526 parse_event_printing_config(const char *optarg, int enable) 527 { 528 uint32_t mask = 0; 529 530 if (!strcmp(optarg, "unknown")) 531 mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN; 532 else if (!strcmp(optarg, "intr_lsc")) 533 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC; 534 else if (!strcmp(optarg, "queue_state")) 535 mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE; 536 else if (!strcmp(optarg, "intr_reset")) 537 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET; 538 else if (!strcmp(optarg, "vf_mbox")) 539 mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX; 540 else if (!strcmp(optarg, "macsec")) 541 mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC; 542 else if (!strcmp(optarg, "intr_rmv")) 543 mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV; 544 else if (!strcmp(optarg, "all")) 545 mask = ~UINT32_C(0); 546 else { 547 fprintf(stderr, "Invalid event: %s\n", optarg); 548 return -1; 549 } 550 if (enable) 551 event_print_mask |= mask; 552 else 553 event_print_mask &= ~mask; 554 return 0; 555 } 556 557 void 558 launch_args_parse(int argc, char** argv) 559 { 560 int n, opt; 561 char **argvopt; 562 int opt_idx; 563 enum { TX, RX }; 564 565 static struct option lgopts[] = { 566 { "help", 0, 0, 0 }, 567 #ifdef RTE_LIBRTE_CMDLINE 568 { "interactive", 0, 0, 0 }, 569 { "cmdline-file", 1, 0, 0 }, 570 { "auto-start", 0, 0, 0 }, 571 { "eth-peers-configfile", 1, 0, 0 }, 572 { "eth-peer", 1, 0, 0 }, 573 #endif 574 { "tx-first", 0, 0, 0 }, 575 { "stats-period", 1, 0, 0 }, 576 { "ports", 1, 0, 0 }, 577 { "nb-cores", 1, 0, 0 }, 578 { "nb-ports", 1, 0, 0 }, 579 { "coremask", 1, 0, 0 }, 580 { "portmask", 1, 0, 0 }, 581 { "numa", 0, 0, 0 }, 582 { "no-numa", 0, 0, 0 }, 583 { "mp-anon", 0, 0, 0 }, 584 { "port-numa-config", 1, 0, 0 }, 585 { "ring-numa-config", 1, 0, 0 }, 586 { "socket-num", 1, 0, 0 }, 587 { "mbuf-size", 1, 0, 0 }, 588 { "total-num-mbufs", 1, 0, 0 }, 589 { "max-pkt-len", 1, 0, 0 }, 590 { "pkt-filter-mode", 1, 0, 0 }, 591 { "pkt-filter-report-hash", 1, 0, 0 }, 592 { "pkt-filter-size", 1, 0, 0 }, 593 { "pkt-filter-drop-queue", 1, 0, 0 }, 594 #ifdef RTE_LIBRTE_LATENCY_STATS 595 { "latencystats", 1, 0, 0 }, 596 #endif 597 #ifdef RTE_LIBRTE_BITRATE 598 { "bitrate-stats", 1, 0, 0 }, 599 #endif 600 { "disable-crc-strip", 0, 0, 0 }, 601 { "enable-lro", 0, 0, 0 }, 602 { "enable-rx-cksum", 0, 0, 0 }, 603 { "enable-scatter", 0, 0, 0 }, 604 { "disable-hw-vlan", 0, 0, 0 }, 605 { "disable-hw-vlan-filter", 0, 0, 0 }, 606 { "disable-hw-vlan-strip", 0, 0, 0 }, 607 { "disable-hw-vlan-extend", 0, 0, 0 }, 608 { "enable-drop-en", 0, 0, 0 }, 609 { "disable-rss", 0, 0, 0 }, 610 { "port-topology", 1, 0, 0 }, 611 { "forward-mode", 1, 0, 0 }, 612 { "rss-ip", 0, 0, 0 }, 613 { "rss-udp", 0, 0, 0 }, 614 { "rxq", 1, 0, 0 }, 615 { "txq", 1, 0, 0 }, 616 { "rxd", 1, 0, 0 }, 617 { "txd", 1, 0, 0 }, 618 { "burst", 1, 0, 0 }, 619 { "mbcache", 1, 0, 0 }, 620 { "txpt", 1, 0, 0 }, 621 { "txht", 1, 0, 0 }, 622 { "txwt", 1, 0, 0 }, 623 { "txfreet", 1, 0, 0 }, 624 { "txrst", 1, 0, 0 }, 625 { "txqflags", 1, 0, 0 }, 626 { "rxpt", 1, 0, 0 }, 627 { "rxht", 1, 0, 0 }, 628 { "rxwt", 1, 0, 0 }, 629 { "rxfreet", 1, 0, 0 }, 630 { "tx-queue-stats-mapping", 1, 0, 0 }, 631 { "rx-queue-stats-mapping", 1, 0, 0 }, 632 { "no-flush-rx", 0, 0, 0 }, 633 { "txpkts", 1, 0, 0 }, 634 { "disable-link-check", 0, 0, 0 }, 635 { "no-lsc-interrupt", 0, 0, 0 }, 636 { "no-rmv-interrupt", 0, 0, 0 }, 637 { "print-event", 1, 0, 0 }, 638 { "mask-event", 1, 0, 0 }, 639 { 0, 0, 0, 0 }, 640 }; 641 642 argvopt = argv; 643 644 #ifdef RTE_LIBRTE_CMDLINE 645 #define SHORTOPTS "i" 646 #else 647 #define SHORTOPTS "" 648 #endif 649 while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah", 650 lgopts, &opt_idx)) != EOF) { 651 switch (opt) { 652 #ifdef RTE_LIBRTE_CMDLINE 653 case 'i': 654 printf("Interactive-mode selected\n"); 655 interactive = 1; 656 break; 657 #endif 658 case 'a': 659 printf("Auto-start selected\n"); 660 auto_start = 1; 661 break; 662 663 case 0: /*long options */ 664 if (!strcmp(lgopts[opt_idx].name, "help")) { 665 usage(argv[0]); 666 rte_exit(EXIT_SUCCESS, "Displayed help\n"); 667 } 668 #ifdef RTE_LIBRTE_CMDLINE 669 if (!strcmp(lgopts[opt_idx].name, "interactive")) { 670 printf("Interactive-mode selected\n"); 671 interactive = 1; 672 } 673 if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) { 674 printf("CLI commands to be read from %s\n", 675 optarg); 676 snprintf(cmdline_filename, 677 sizeof(cmdline_filename), "%s", 678 optarg); 679 } 680 if (!strcmp(lgopts[opt_idx].name, "auto-start")) { 681 printf("Auto-start selected\n"); 682 auto_start = 1; 683 } 684 if (!strcmp(lgopts[opt_idx].name, "tx-first")) { 685 printf("Ports to start sending a burst of " 686 "packets first\n"); 687 tx_first = 1; 688 } 689 if (!strcmp(lgopts[opt_idx].name, "stats-period")) { 690 char *end = NULL; 691 unsigned int n; 692 693 n = strtoul(optarg, &end, 10); 694 if ((optarg[0] == '\0') || (end == NULL) || 695 (*end != '\0')) 696 break; 697 698 stats_period = n; 699 break; 700 } 701 if (!strcmp(lgopts[opt_idx].name, 702 "eth-peers-configfile")) { 703 if (init_peer_eth_addrs(optarg) != 0) 704 rte_exit(EXIT_FAILURE, 705 "Cannot open logfile\n"); 706 } 707 if (!strcmp(lgopts[opt_idx].name, "eth-peer")) { 708 char *port_end; 709 uint8_t c, peer_addr[6]; 710 711 errno = 0; 712 n = strtoul(optarg, &port_end, 10); 713 if (errno != 0 || port_end == optarg || *port_end++ != ',') 714 rte_exit(EXIT_FAILURE, 715 "Invalid eth-peer: %s", optarg); 716 if (n >= RTE_MAX_ETHPORTS) 717 rte_exit(EXIT_FAILURE, 718 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n", 719 n, RTE_MAX_ETHPORTS); 720 721 if (cmdline_parse_etheraddr(NULL, port_end, 722 &peer_addr, sizeof(peer_addr)) < 0) 723 rte_exit(EXIT_FAILURE, 724 "Invalid ethernet address: %s\n", 725 port_end); 726 for (c = 0; c < 6; c++) 727 peer_eth_addrs[n].addr_bytes[c] = 728 peer_addr[c]; 729 nb_peer_eth_addrs++; 730 } 731 #endif 732 if (!strcmp(lgopts[opt_idx].name, "nb-ports")) { 733 n = atoi(optarg); 734 if (n > 0 && n <= nb_ports) 735 nb_fwd_ports = (uint8_t) n; 736 else 737 rte_exit(EXIT_FAILURE, 738 "Invalid port %d\n", n); 739 } 740 if (!strcmp(lgopts[opt_idx].name, "nb-cores")) { 741 n = atoi(optarg); 742 if (n > 0 && n <= nb_lcores) 743 nb_fwd_lcores = (uint8_t) n; 744 else 745 rte_exit(EXIT_FAILURE, 746 "nb-cores should be > 0 and <= %d\n", 747 nb_lcores); 748 } 749 if (!strcmp(lgopts[opt_idx].name, "coremask")) 750 parse_fwd_coremask(optarg); 751 if (!strcmp(lgopts[opt_idx].name, "portmask")) 752 parse_fwd_portmask(optarg); 753 if (!strcmp(lgopts[opt_idx].name, "no-numa")) 754 numa_support = 0; 755 if (!strcmp(lgopts[opt_idx].name, "numa")) 756 numa_support = 1; 757 if (!strcmp(lgopts[opt_idx].name, "mp-anon")) { 758 mp_anon = 1; 759 } 760 if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) { 761 if (parse_portnuma_config(optarg)) 762 rte_exit(EXIT_FAILURE, 763 "invalid port-numa configuration\n"); 764 } 765 if (!strcmp(lgopts[opt_idx].name, "ring-numa-config")) 766 if (parse_ringnuma_config(optarg)) 767 rte_exit(EXIT_FAILURE, 768 "invalid ring-numa configuration\n"); 769 if (!strcmp(lgopts[opt_idx].name, "socket-num")) { 770 n = atoi(optarg); 771 if (!new_socket_id((uint8_t)n)) { 772 socket_num = (uint8_t)n; 773 } else { 774 print_invalid_socket_id_error(); 775 rte_exit(EXIT_FAILURE, 776 "Invalid socket id"); 777 } 778 } 779 if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) { 780 n = atoi(optarg); 781 if (n > 0 && n <= 0xFFFF) 782 mbuf_data_size = (uint16_t) n; 783 else 784 rte_exit(EXIT_FAILURE, 785 "mbuf-size should be > 0 and < 65536\n"); 786 } 787 if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) { 788 n = atoi(optarg); 789 if (n > 1024) 790 param_total_num_mbufs = (unsigned)n; 791 else 792 rte_exit(EXIT_FAILURE, 793 "total-num-mbufs should be > 1024\n"); 794 } 795 if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) { 796 n = atoi(optarg); 797 if (n >= ETHER_MIN_LEN) { 798 rx_mode.max_rx_pkt_len = (uint32_t) n; 799 if (n > ETHER_MAX_LEN) 800 rx_mode.jumbo_frame = 1; 801 } else 802 rte_exit(EXIT_FAILURE, 803 "Invalid max-pkt-len=%d - should be > %d\n", 804 n, ETHER_MIN_LEN); 805 } 806 if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) { 807 if (!strcmp(optarg, "signature")) 808 fdir_conf.mode = 809 RTE_FDIR_MODE_SIGNATURE; 810 else if (!strcmp(optarg, "perfect")) 811 fdir_conf.mode = RTE_FDIR_MODE_PERFECT; 812 else if (!strcmp(optarg, "perfect-mac-vlan")) 813 fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN; 814 else if (!strcmp(optarg, "perfect-tunnel")) 815 fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL; 816 else if (!strcmp(optarg, "none")) 817 fdir_conf.mode = RTE_FDIR_MODE_NONE; 818 else 819 rte_exit(EXIT_FAILURE, 820 "pkt-mode-invalid %s invalid - must be: " 821 "none, signature, perfect, perfect-mac-vlan" 822 " or perfect-tunnel\n", 823 optarg); 824 } 825 if (!strcmp(lgopts[opt_idx].name, 826 "pkt-filter-report-hash")) { 827 if (!strcmp(optarg, "none")) 828 fdir_conf.status = 829 RTE_FDIR_NO_REPORT_STATUS; 830 else if (!strcmp(optarg, "match")) 831 fdir_conf.status = 832 RTE_FDIR_REPORT_STATUS; 833 else if (!strcmp(optarg, "always")) 834 fdir_conf.status = 835 RTE_FDIR_REPORT_STATUS_ALWAYS; 836 else 837 rte_exit(EXIT_FAILURE, 838 "pkt-filter-report-hash %s invalid " 839 "- must be: none or match or always\n", 840 optarg); 841 } 842 if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) { 843 if (!strcmp(optarg, "64K")) 844 fdir_conf.pballoc = 845 RTE_FDIR_PBALLOC_64K; 846 else if (!strcmp(optarg, "128K")) 847 fdir_conf.pballoc = 848 RTE_FDIR_PBALLOC_128K; 849 else if (!strcmp(optarg, "256K")) 850 fdir_conf.pballoc = 851 RTE_FDIR_PBALLOC_256K; 852 else 853 rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -" 854 " must be: 64K or 128K or 256K\n", 855 optarg); 856 } 857 if (!strcmp(lgopts[opt_idx].name, 858 "pkt-filter-drop-queue")) { 859 n = atoi(optarg); 860 if (n >= 0) 861 fdir_conf.drop_queue = (uint8_t) n; 862 else 863 rte_exit(EXIT_FAILURE, 864 "drop queue %d invalid - must" 865 "be >= 0 \n", n); 866 } 867 #ifdef RTE_LIBRTE_LATENCY_STATS 868 if (!strcmp(lgopts[opt_idx].name, 869 "latencystats")) { 870 n = atoi(optarg); 871 if (n >= 0) { 872 latencystats_lcore_id = (lcoreid_t) n; 873 latencystats_enabled = 1; 874 } else 875 rte_exit(EXIT_FAILURE, 876 "invalid lcore id %d for latencystats" 877 " must be >= 0\n", n); 878 } 879 #endif 880 #ifdef RTE_LIBRTE_BITRATE 881 if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) { 882 n = atoi(optarg); 883 if (n >= 0) { 884 bitrate_lcore_id = (lcoreid_t) n; 885 bitrate_enabled = 1; 886 } else 887 rte_exit(EXIT_FAILURE, 888 "invalid lcore id %d for bitrate stats" 889 " must be >= 0\n", n); 890 } 891 #endif 892 if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip")) 893 rx_mode.hw_strip_crc = 0; 894 if (!strcmp(lgopts[opt_idx].name, "enable-lro")) 895 rx_mode.enable_lro = 1; 896 if (!strcmp(lgopts[opt_idx].name, "enable-scatter")) 897 rx_mode.enable_scatter = 1; 898 if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum")) 899 rx_mode.hw_ip_checksum = 1; 900 901 if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) { 902 rx_mode.hw_vlan_filter = 0; 903 rx_mode.hw_vlan_strip = 0; 904 rx_mode.hw_vlan_extend = 0; 905 } 906 907 if (!strcmp(lgopts[opt_idx].name, 908 "disable-hw-vlan-filter")) 909 rx_mode.hw_vlan_filter = 0; 910 911 if (!strcmp(lgopts[opt_idx].name, 912 "disable-hw-vlan-strip")) 913 rx_mode.hw_vlan_strip = 0; 914 915 if (!strcmp(lgopts[opt_idx].name, 916 "disable-hw-vlan-extend")) 917 rx_mode.hw_vlan_extend = 0; 918 919 if (!strcmp(lgopts[opt_idx].name, "enable-drop-en")) 920 rx_drop_en = 1; 921 922 if (!strcmp(lgopts[opt_idx].name, "disable-rss")) 923 rss_hf = 0; 924 if (!strcmp(lgopts[opt_idx].name, "port-topology")) { 925 if (!strcmp(optarg, "paired")) 926 port_topology = PORT_TOPOLOGY_PAIRED; 927 else if (!strcmp(optarg, "chained")) 928 port_topology = PORT_TOPOLOGY_CHAINED; 929 else if (!strcmp(optarg, "loop")) 930 port_topology = PORT_TOPOLOGY_LOOP; 931 else 932 rte_exit(EXIT_FAILURE, "port-topology %s invalid -" 933 " must be: paired or chained \n", 934 optarg); 935 } 936 if (!strcmp(lgopts[opt_idx].name, "forward-mode")) 937 set_pkt_forwarding_mode(optarg); 938 if (!strcmp(lgopts[opt_idx].name, "rss-ip")) 939 rss_hf = ETH_RSS_IP; 940 if (!strcmp(lgopts[opt_idx].name, "rss-udp")) 941 rss_hf = ETH_RSS_UDP; 942 if (!strcmp(lgopts[opt_idx].name, "rxq")) { 943 n = atoi(optarg); 944 if (n >= 0 && n <= (int) MAX_QUEUE_ID) 945 nb_rxq = (queueid_t) n; 946 else 947 rte_exit(EXIT_FAILURE, "rxq %d invalid - must be" 948 " >= 0 && <= %d\n", n, 949 (int) MAX_QUEUE_ID); 950 } 951 if (!strcmp(lgopts[opt_idx].name, "txq")) { 952 n = atoi(optarg); 953 if (n >= 0 && n <= (int) MAX_QUEUE_ID) 954 nb_txq = (queueid_t) n; 955 else 956 rte_exit(EXIT_FAILURE, "txq %d invalid - must be" 957 " >= 0 && <= %d\n", n, 958 (int) MAX_QUEUE_ID); 959 } 960 if (!nb_rxq && !nb_txq) { 961 rte_exit(EXIT_FAILURE, "Either rx or tx queues should " 962 "be non-zero\n"); 963 } 964 if (!strcmp(lgopts[opt_idx].name, "burst")) { 965 n = atoi(optarg); 966 if ((n >= 1) && (n <= MAX_PKT_BURST)) 967 nb_pkt_per_burst = (uint16_t) n; 968 else 969 rte_exit(EXIT_FAILURE, 970 "burst must >= 1 and <= %d]", 971 MAX_PKT_BURST); 972 } 973 if (!strcmp(lgopts[opt_idx].name, "mbcache")) { 974 n = atoi(optarg); 975 if ((n >= 0) && 976 (n <= RTE_MEMPOOL_CACHE_MAX_SIZE)) 977 mb_mempool_cache = (uint16_t) n; 978 else 979 rte_exit(EXIT_FAILURE, 980 "mbcache must be >= 0 and <= %d\n", 981 RTE_MEMPOOL_CACHE_MAX_SIZE); 982 } 983 if (!strcmp(lgopts[opt_idx].name, "txfreet")) { 984 n = atoi(optarg); 985 if (n >= 0) 986 tx_free_thresh = (int16_t)n; 987 else 988 rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n"); 989 } 990 if (!strcmp(lgopts[opt_idx].name, "txrst")) { 991 n = atoi(optarg); 992 if (n >= 0) 993 tx_rs_thresh = (int16_t)n; 994 else 995 rte_exit(EXIT_FAILURE, "txrst must be >= 0\n"); 996 } 997 if (!strcmp(lgopts[opt_idx].name, "txqflags")) { 998 char *end = NULL; 999 n = strtoul(optarg, &end, 16); 1000 if (n >= 0) 1001 txq_flags = (int32_t)n; 1002 else 1003 rte_exit(EXIT_FAILURE, 1004 "txqflags must be >= 0\n"); 1005 } 1006 if (!strcmp(lgopts[opt_idx].name, "rxd")) { 1007 n = atoi(optarg); 1008 if (n > 0) { 1009 if (rx_free_thresh >= n) 1010 rte_exit(EXIT_FAILURE, 1011 "rxd must be > " 1012 "rx_free_thresh(%d)\n", 1013 (int)rx_free_thresh); 1014 else 1015 nb_rxd = (uint16_t) n; 1016 } else 1017 rte_exit(EXIT_FAILURE, 1018 "rxd(%d) invalid - must be > 0\n", 1019 n); 1020 } 1021 if (!strcmp(lgopts[opt_idx].name, "txd")) { 1022 n = atoi(optarg); 1023 if (n > 0) 1024 nb_txd = (uint16_t) n; 1025 else 1026 rte_exit(EXIT_FAILURE, "txd must be in > 0\n"); 1027 } 1028 if (!strcmp(lgopts[opt_idx].name, "txpt")) { 1029 n = atoi(optarg); 1030 if (n >= 0) 1031 tx_pthresh = (int8_t)n; 1032 else 1033 rte_exit(EXIT_FAILURE, "txpt must be >= 0\n"); 1034 } 1035 if (!strcmp(lgopts[opt_idx].name, "txht")) { 1036 n = atoi(optarg); 1037 if (n >= 0) 1038 tx_hthresh = (int8_t)n; 1039 else 1040 rte_exit(EXIT_FAILURE, "txht must be >= 0\n"); 1041 } 1042 if (!strcmp(lgopts[opt_idx].name, "txwt")) { 1043 n = atoi(optarg); 1044 if (n >= 0) 1045 tx_wthresh = (int8_t)n; 1046 else 1047 rte_exit(EXIT_FAILURE, "txwt must be >= 0\n"); 1048 } 1049 if (!strcmp(lgopts[opt_idx].name, "rxpt")) { 1050 n = atoi(optarg); 1051 if (n >= 0) 1052 rx_pthresh = (int8_t)n; 1053 else 1054 rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n"); 1055 } 1056 if (!strcmp(lgopts[opt_idx].name, "rxht")) { 1057 n = atoi(optarg); 1058 if (n >= 0) 1059 rx_hthresh = (int8_t)n; 1060 else 1061 rte_exit(EXIT_FAILURE, "rxht must be >= 0\n"); 1062 } 1063 if (!strcmp(lgopts[opt_idx].name, "rxwt")) { 1064 n = atoi(optarg); 1065 if (n >= 0) 1066 rx_wthresh = (int8_t)n; 1067 else 1068 rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n"); 1069 } 1070 if (!strcmp(lgopts[opt_idx].name, "rxfreet")) { 1071 n = atoi(optarg); 1072 if (n >= 0) 1073 rx_free_thresh = (int16_t)n; 1074 else 1075 rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n"); 1076 } 1077 if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) { 1078 if (parse_queue_stats_mapping_config(optarg, TX)) { 1079 rte_exit(EXIT_FAILURE, 1080 "invalid TX queue statistics mapping config entered\n"); 1081 } 1082 } 1083 if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) { 1084 if (parse_queue_stats_mapping_config(optarg, RX)) { 1085 rte_exit(EXIT_FAILURE, 1086 "invalid RX queue statistics mapping config entered\n"); 1087 } 1088 } 1089 if (!strcmp(lgopts[opt_idx].name, "txpkts")) { 1090 unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT]; 1091 unsigned int nb_segs; 1092 1093 nb_segs = parse_item_list(optarg, "txpkt segments", 1094 RTE_MAX_SEGS_PER_PKT, seg_lengths, 0); 1095 if (nb_segs > 0) 1096 set_tx_pkt_segments(seg_lengths, nb_segs); 1097 else 1098 rte_exit(EXIT_FAILURE, "bad txpkts\n"); 1099 } 1100 if (!strcmp(lgopts[opt_idx].name, "no-flush-rx")) 1101 no_flush_rx = 1; 1102 if (!strcmp(lgopts[opt_idx].name, "disable-link-check")) 1103 no_link_check = 1; 1104 if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt")) 1105 lsc_interrupt = 0; 1106 if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt")) 1107 rmv_interrupt = 0; 1108 if (!strcmp(lgopts[opt_idx].name, "print-event")) 1109 if (parse_event_printing_config(optarg, 1)) { 1110 rte_exit(EXIT_FAILURE, 1111 "invalid print-event argument\n"); 1112 } 1113 if (!strcmp(lgopts[opt_idx].name, "mask-event")) 1114 if (parse_event_printing_config(optarg, 0)) { 1115 rte_exit(EXIT_FAILURE, 1116 "invalid mask-event argument\n"); 1117 } 1118 1119 break; 1120 case 'h': 1121 usage(argv[0]); 1122 rte_exit(EXIT_SUCCESS, "Displayed help\n"); 1123 break; 1124 default: 1125 usage(argv[0]); 1126 rte_exit(EXIT_FAILURE, 1127 "Command line is incomplete or incorrect\n"); 1128 break; 1129 } 1130 } 1131 } 1132