1 /* 2 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #include <string.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <stdint.h> 31 #include <getopt.h> 32 #include <ctype.h> 33 #include <rte_config.h> 34 #include <rte_string_fns.h> 35 36 #include "ff_config.h" 37 #include "ff_ini_parser.h" 38 39 #define DEFAULT_CONFIG_FILE "config.ini" 40 41 #define BITS_PER_HEX 4 42 43 struct ff_config ff_global_cfg; 44 int dpdk_argc; 45 char *dpdk_argv[DPDK_CONFIG_NUM + 1]; 46 47 char* const short_options = "c:t:p:"; 48 struct option long_options[] = { 49 { "conf", 1, NULL, 'c'}, 50 { "proc-type", 1, NULL, 't'}, 51 { "proc-id", 1, NULL, 'p'}, 52 { 0, 0, 0, 0}, 53 }; 54 55 static int 56 xdigit2val(unsigned char c) 57 { 58 int val; 59 60 if (isdigit(c)) 61 val = c - '0'; 62 else if (isupper(c)) 63 val = c - 'A' + 10; 64 else 65 val = c - 'a' + 10; 66 return val; 67 } 68 69 static int 70 parse_lcore_mask(struct ff_config *cfg, const char *coremask) 71 { 72 int i, j, idx = 0, shift = 0, zero_num = 0; 73 unsigned count = 0; 74 char c; 75 int val; 76 uint16_t *proc_lcore; 77 char buf[RTE_MAX_LCORE] = {0}; 78 char zero[RTE_MAX_LCORE] = {0}; 79 80 if (coremask == NULL) 81 return 0; 82 83 cfg->dpdk.proc_lcore = (uint16_t *)calloc(RTE_MAX_LCORE, sizeof(uint16_t)); 84 if (cfg->dpdk.proc_lcore == NULL) { 85 fprintf(stderr, "parse_lcore_mask malloc failed\n"); 86 return 0; 87 } 88 proc_lcore = cfg->dpdk.proc_lcore; 89 90 /* 91 * Remove all blank characters ahead and after. 92 * Remove 0x/0X if exists. 93 */ 94 while (isblank(*coremask)) 95 coremask++; 96 if (coremask[0] == '0' && ((coremask[1] == 'x') 97 || (coremask[1] == 'X'))) 98 coremask += 2; 99 100 i = strlen(coremask); 101 while ((i > 0) && isblank(coremask[i - 1])) 102 i--; 103 104 if (i == 0) 105 return 0; 106 107 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) { 108 c = coremask[i]; 109 if (isxdigit(c) == 0) { 110 return 0; 111 } 112 val = xdigit2val(c); 113 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) { 114 if ((1 << j) & val) { 115 proc_lcore[count] = idx; 116 if (cfg->dpdk.proc_id == count) { 117 zero_num = idx >> 2; 118 shift = idx & 0x3; 119 memset(zero,'0',zero_num); 120 sprintf(buf, "%llx%s", (unsigned long long)1<<shift, zero); 121 cfg->dpdk.proc_mask = strdup(buf); 122 } 123 count++; 124 } 125 } 126 } 127 128 for (; i >= 0; i--) 129 if (coremask[i] != '0') 130 return 0; 131 132 if (cfg->dpdk.proc_id >= count) 133 return 0; 134 135 cfg->dpdk.nb_procs = count; 136 137 return 1; 138 } 139 140 static int 141 is_integer(const char *s) 142 { 143 if (*s == '-' || *s == '+') 144 s++; 145 if (*s < '0' || '9' < *s) 146 return 0; 147 s++; 148 while ('0' <= *s && *s <= '9') 149 s++; 150 return (*s == '\0'); 151 } 152 153 static int 154 freebsd_conf_handler(struct ff_config *cfg, const char *section, 155 const char *name, const char *value) 156 { 157 struct ff_freebsd_cfg *newconf, **cur; 158 newconf = (struct ff_freebsd_cfg *)malloc(sizeof(struct ff_freebsd_cfg)); 159 if (newconf == NULL) { 160 fprintf(stderr, "freebsd conf malloc failed\n"); 161 return 0; 162 } 163 164 newconf->name = strdup(name); 165 newconf->str = strdup(value); 166 167 if (strcmp(section, "boot") == 0) { 168 cur = &cfg->freebsd.boot; 169 170 newconf->value = (void *)newconf->str; 171 newconf->vlen = strlen(value); 172 } else if (strcmp(section, "sysctl") == 0) { 173 cur = &cfg->freebsd.sysctl; 174 175 if (is_integer(value)) { 176 if (strcmp(name, "kern.ipc.maxsockbuf") == 0) { 177 long *p = (long *)malloc(sizeof(long)); 178 *p = atol(value); 179 newconf->value = (void *)p; 180 newconf->vlen = sizeof(*p); 181 } else { 182 int *p = (int *)malloc(sizeof(int)); 183 *p = atoi(value); 184 newconf->value = (void *)p; 185 newconf->vlen = sizeof(*p); 186 } 187 } else { 188 newconf->value = (void *)newconf->str; 189 newconf->vlen = strlen(value); 190 } 191 } else { 192 fprintf(stderr, "freebsd conf section[%s] error\n", section); 193 return 0; 194 } 195 196 if (*cur == NULL) { 197 newconf->next = NULL; 198 *cur = newconf; 199 } else { 200 newconf->next = (*cur)->next; 201 (*cur)->next = newconf; 202 } 203 204 return 1; 205 } 206 // A recursive binary search function. It returns location of x in 207 // given array arr[l..r] is present, otherwise -1 208 static int 209 uint16_binary_search(uint16_t arr[], int l, int r, uint16_t x) 210 { 211 if (r >= l) { 212 int mid = l + (r - l)/2; 213 214 // If the element is present at the middle itself 215 if (arr[mid] == x) return mid; 216 217 // If element is smaller than mid, then it can only be present 218 // in left subarray 219 if (arr[mid] > x) return uint16_binary_search(arr, l, mid-1, x); 220 221 // Else the element can only be present in right subarray 222 return uint16_binary_search(arr, mid+1, r, x); 223 } 224 225 // We reach here when element is not present in array 226 return -1; 227 } 228 229 static int 230 uint16_cmp (const void * a, const void * b) 231 { 232 return ( *(uint16_t*)a - *(uint16_t*)b ); 233 } 234 235 static inline void 236 sort_uint16_array(uint16_t arr[], int n) 237 { 238 qsort(arr, n, sizeof(uint16_t), uint16_cmp); 239 } 240 241 static inline char * 242 __strstrip(char *s) 243 { 244 char *end = s + strlen(s) - 1; 245 while(*s == ' ') s++; 246 for (; end >= s; --end) { 247 if (*end != ' ') break; 248 } 249 *(++end) = '\0'; 250 return s; 251 } 252 253 static int 254 __parse_config_list(uint16_t *arr, int *sz, const char *value) { 255 int i, j; 256 char input[4096]; 257 char *tokens[128]; 258 int nTokens = 0; 259 char *endptr; 260 int nr_ele = 0; 261 int max_ele = *sz; 262 263 strncpy(input, value, 4096); 264 nTokens = rte_strsplit(input, sizeof(input), tokens, 128, ','); 265 for (i = 0; i < nTokens; i++) { 266 char *tok = tokens[i]; 267 char *middle = strchr(tok, '-'); 268 if (middle == NULL) { 269 tok = __strstrip(tok); 270 long v = strtol(tok, &endptr, 10); 271 if (*endptr != '\0') { 272 fprintf(stderr, "%s is not a integer.", tok); 273 return 0; 274 } 275 if (nr_ele > max_ele) { 276 fprintf(stderr, "too many elements in list %s\n", value); 277 return 0; 278 } 279 arr[nr_ele++] = (uint16_t)v; 280 } else { 281 *middle = '\0'; 282 char *lbound = __strstrip(tok); 283 char *rbound = __strstrip(middle+1); 284 long lv = strtol(lbound, &endptr, 10); 285 if (*endptr != '\0') { 286 fprintf(stderr, "%s is not a integer.", lbound); 287 return 0; 288 } 289 long rv = strtol(rbound, &endptr, 10); 290 if (*endptr != '\0') { 291 fprintf(stderr, "%s is not a integer.", rbound); 292 return 0; 293 } 294 for (j = lv; j <= rv; ++j) { 295 if (nr_ele > max_ele) { 296 fprintf(stderr, "too many elements in list %s.\n", value); 297 return 0; 298 } 299 arr[nr_ele++] = (uint16_t)j; 300 } 301 } 302 } 303 if (nr_ele <= 0) { 304 fprintf(stderr, "list %s is empty\n", value); 305 return 1; 306 } 307 sort_uint16_array(arr, nr_ele); 308 *sz = nr_ele; 309 return 1; 310 } 311 312 static int 313 parse_port_lcore_list(struct ff_port_cfg *cfg, const char *v_str) 314 { 315 cfg->nb_lcores = DPDK_MAX_LCORE; 316 uint16_t *cores = cfg->lcore_list; 317 return __parse_config_list(cores, &cfg->nb_lcores, v_str); 318 } 319 320 static int 321 parse_port_list(struct ff_config *cfg, const char *v_str) 322 { 323 int res; 324 uint16_t ports[RTE_MAX_ETHPORTS]; 325 int sz = RTE_MAX_ETHPORTS; 326 327 res = __parse_config_list(ports, &sz, v_str); 328 if (! res) return res; 329 330 uint16_t *portid_list = malloc(sizeof(uint16_t)*sz); 331 332 if (portid_list == NULL) { 333 fprintf(stderr, "parse_port_list malloc failed\n"); 334 return 0; 335 } 336 memcpy(portid_list, ports, sz*sizeof(uint16_t)); 337 338 cfg->dpdk.portid_list = portid_list; 339 cfg->dpdk.nb_ports = sz; 340 cfg->dpdk.max_portid = portid_list[sz-1]; 341 return res; 342 } 343 344 static int 345 port_cfg_handler(struct ff_config *cfg, const char *section, 346 const char *name, const char *value) { 347 348 if (cfg->dpdk.nb_ports == 0) { 349 fprintf(stderr, "port_cfg_handler: must config dpdk.port_list first\n"); 350 return 0; 351 } 352 353 if (cfg->dpdk.port_cfgs == NULL) { 354 struct ff_port_cfg *pc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_port_cfg)); 355 if (pc == NULL) { 356 fprintf(stderr, "port_cfg_handler malloc failed\n"); 357 return 0; 358 } 359 // initialize lcore list and nb_lcores 360 int i; 361 for (i = 0; i < cfg->dpdk.nb_ports; ++i) { 362 uint16_t portid = cfg->dpdk.portid_list[i]; 363 364 struct ff_port_cfg *pconf = &pc[portid]; 365 pconf->port_id = portid; 366 pconf->nb_lcores = ff_global_cfg.dpdk.nb_procs; 367 memcpy(pconf->lcore_list, ff_global_cfg.dpdk.proc_lcore, 368 pconf->nb_lcores*sizeof(uint16_t)); 369 } 370 cfg->dpdk.port_cfgs = pc; 371 } 372 373 int portid; 374 int ret = sscanf(section, "port%d", &portid); 375 if (ret != 1) { 376 fprintf(stderr, "port_cfg_handler section[%s] error\n", section); 377 return 0; 378 } 379 380 /* just return true if portid >= nb_ports because it has no effect */ 381 if (portid > cfg->dpdk.max_portid) { 382 fprintf(stderr, "port_cfg_handler section[%s] bigger than max port id\n", section); 383 return 1; 384 } 385 386 struct ff_port_cfg *cur = &cfg->dpdk.port_cfgs[portid]; 387 if (cur->name == NULL) { 388 cur->name = strdup(section); 389 cur->port_id = portid; 390 } 391 392 if (strcmp(name, "addr") == 0) { 393 cur->addr = strdup(value); 394 } else if (strcmp(name, "netmask") == 0) { 395 cur->netmask = strdup(value); 396 } else if (strcmp(name, "broadcast") == 0) { 397 cur->broadcast = strdup(value); 398 } else if (strcmp(name, "gateway") == 0) { 399 cur->gateway = strdup(value); 400 } else if (strcmp(name, "pcap") == 0) { 401 cur->pcap = strdup(value); 402 } else if (strcmp(name, "lcore_list") == 0) { 403 return parse_port_lcore_list(cur, value); 404 } 405 406 return 1; 407 } 408 409 static int 410 vdev_cfg_handler(struct ff_config *cfg, const char *section, 411 const char *name, const char *value) { 412 413 if (cfg->dpdk.nb_vdev == 0) { 414 fprintf(stderr, "vdev_cfg_handler: must config dpdk.nb_vdev first\n"); 415 return 0; 416 } 417 418 if (cfg->dpdk.vdev_cfgs == NULL) { 419 struct ff_vdev_cfg *vc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_vdev_cfg)); 420 if (vc == NULL) { 421 fprintf(stderr, "vdev_cfg_handler malloc failed\n"); 422 return 0; 423 } 424 cfg->dpdk.vdev_cfgs = vc; 425 } 426 427 int vdevid; 428 int ret = sscanf(section, "vdev%d", &vdevid); 429 if (ret != 1) { 430 fprintf(stderr, "vdev_cfg_handler section[%s] error\n", section); 431 return 0; 432 } 433 434 /* just return true if vdevid >= nb_vdev because it has no effect */ 435 if (vdevid > cfg->dpdk.nb_vdev) { 436 fprintf(stderr, "vdev_cfg_handler section[%s] bigger than max vdev id\n", section); 437 return 1; 438 } 439 440 struct ff_vdev_cfg *cur = &cfg->dpdk.vdev_cfgs[vdevid]; 441 if (cur->name == NULL) { 442 cur->name = strdup(section); 443 cur->vdev_id = vdevid; 444 } 445 446 if (strcmp(name, "iface") == 0) { 447 cur->iface = strdup(value); 448 } else if (strcmp(name, "path") == 0) { 449 cur->path = strdup(value); 450 } else if (strcmp(name, "queues") == 0) { 451 cur->nb_queues = atoi(value); 452 } else if (strcmp(name, "queue_size") == 0) { 453 cur->queue_size = atoi(value); 454 } else if (strcmp(name, "mac") == 0) { 455 cur->mac = strdup(value); 456 } else if (strcmp(name, "cq") == 0) { 457 cur->nb_cq = atoi(value); 458 } 459 460 return 1; 461 } 462 463 464 static int 465 ini_parse_handler(void* user, const char* section, const char* name, 466 const char* value) 467 { 468 struct ff_config *pconfig = (struct ff_config*)user; 469 470 printf("[%s]: %s=%s\n", section, name, value); 471 472 #define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0 473 if (MATCH("dpdk", "channel")) { 474 pconfig->dpdk.nb_channel = atoi(value); 475 } else if (MATCH("dpdk", "memory")) { 476 pconfig->dpdk.memory = atoi(value); 477 } else if (MATCH("dpdk", "no_huge")) { 478 pconfig->dpdk.no_huge = atoi(value); 479 } else if (MATCH("dpdk", "lcore_mask")) { 480 pconfig->dpdk.lcore_mask = strdup(value); 481 return parse_lcore_mask(pconfig, pconfig->dpdk.lcore_mask); 482 } else if (MATCH("dpdk", "base_virtaddr")) { 483 pconfig->dpdk.base_virtaddr= strdup(value); 484 } else if (MATCH("dpdk", "port_list")) { 485 return parse_port_list(pconfig, value); 486 } else if (MATCH("dpdk", "nb_vdev")) { 487 pconfig->dpdk.nb_vdev = atoi(value); 488 } else if (MATCH("dpdk", "promiscuous")) { 489 pconfig->dpdk.promiscuous = atoi(value); 490 } else if (MATCH("dpdk", "numa_on")) { 491 pconfig->dpdk.numa_on = atoi(value); 492 } else if (MATCH("dpdk", "tso")) { 493 pconfig->dpdk.tso = atoi(value); 494 } else if (MATCH("dpdk", "vlan_strip")) { 495 pconfig->dpdk.vlan_strip = atoi(value); 496 } else if (MATCH("dpdk", "idle_sleep")) { 497 pconfig->dpdk.idle_sleep = atoi(value); 498 } else if (MATCH("dpdk", "pkt_tx_delay")) { 499 pconfig->dpdk.pkt_tx_delay = atoi(value); 500 } else if (MATCH("kni", "enable")) { 501 pconfig->kni.enable= atoi(value); 502 } else if (MATCH("kni", "method")) { 503 pconfig->kni.method= strdup(value); 504 } else if (MATCH("kni", "tcp_port")) { 505 pconfig->kni.tcp_port = strdup(value); 506 } else if (MATCH("kni", "udp_port")) { 507 pconfig->kni.udp_port= strdup(value); 508 } else if (strcmp(section, "freebsd.boot") == 0) { 509 if (strcmp(name, "hz") == 0) { 510 pconfig->freebsd.hz = atoi(value); 511 } else if (strcmp(name, "physmem") == 0) { 512 pconfig->freebsd.physmem = atol(value); 513 } else if (strcmp(name, "fd_reserve") == 0) { 514 pconfig->freebsd.fd_reserve = atoi(value); 515 } else if (strcmp(name, "memsz_MB") == 0) { 516 pconfig->freebsd.mem_size = atoi(value); 517 } else { 518 return freebsd_conf_handler(pconfig, "boot", name, value); 519 } 520 } else if (strcmp(section, "freebsd.sysctl") == 0) { 521 return freebsd_conf_handler(pconfig, "sysctl", name, value); 522 } else if (strncmp(section, "port", 4) == 0) { 523 return port_cfg_handler(pconfig, section, name, value); 524 } else if (strncmp(section, "vdev", 4) == 0) { 525 return vdev_cfg_handler(pconfig, section, name, value); 526 } 527 528 return 1; 529 } 530 531 static int 532 dpdk_args_setup(struct ff_config *cfg) 533 { 534 int n = 0, i; 535 dpdk_argv[n++] = strdup("f-stack"); 536 char temp[DPDK_CONFIG_MAXLEN] = {0}; 537 538 if (cfg->dpdk.no_huge) { 539 dpdk_argv[n++] = strdup("--no-huge"); 540 } 541 if (cfg->dpdk.proc_mask) { 542 sprintf(temp, "-c%s", cfg->dpdk.proc_mask); 543 dpdk_argv[n++] = strdup(temp); 544 } 545 if (cfg->dpdk.nb_channel) { 546 sprintf(temp, "-n%d", cfg->dpdk.nb_channel); 547 dpdk_argv[n++] = strdup(temp); 548 } 549 if (cfg->dpdk.memory) { 550 sprintf(temp, "-m%d", cfg->dpdk.memory); 551 dpdk_argv[n++] = strdup(temp); 552 } 553 if (cfg->dpdk.proc_type) { 554 sprintf(temp, "--proc-type=%s", cfg->dpdk.proc_type); 555 dpdk_argv[n++] = strdup(temp); 556 } 557 if (cfg->dpdk.base_virtaddr) { 558 sprintf(temp, "--base-virtaddr=%s", cfg->dpdk.base_virtaddr); 559 dpdk_argv[n++] = strdup(temp); 560 } 561 562 if (cfg->dpdk.nb_vdev) { 563 for (i=0; i<cfg->dpdk.nb_vdev; i++) { 564 sprintf(temp, "--vdev=virtio_user%d,path=%s", 565 cfg->dpdk.vdev_cfgs[i].vdev_id, 566 cfg->dpdk.vdev_cfgs[i].path); 567 if (cfg->dpdk.vdev_cfgs[i].nb_queues) { 568 sprintf(temp, "%s,queues=%u", 569 temp, cfg->dpdk.vdev_cfgs[i].nb_queues); 570 } 571 if (cfg->dpdk.vdev_cfgs[i].nb_cq) { 572 sprintf(temp, "%s,cq=%u", 573 temp, cfg->dpdk.vdev_cfgs[i].nb_cq); 574 } 575 if (cfg->dpdk.vdev_cfgs[i].queue_size) { 576 sprintf(temp, "%s,queue_size=%u", 577 temp, cfg->dpdk.vdev_cfgs[i].queue_size); 578 } 579 if (cfg->dpdk.vdev_cfgs[i].mac) { 580 sprintf(temp, "%s,mac=%s", 581 temp, cfg->dpdk.vdev_cfgs[i].mac); 582 } 583 dpdk_argv[n++] = strdup(temp); 584 } 585 sprintf(temp, "--no-pci"); 586 dpdk_argv[n++] = strdup(temp); 587 sprintf(temp, "--file-prefix=container"); 588 dpdk_argv[n++] = strdup(temp); 589 } 590 591 dpdk_argc = n; 592 593 for (i=0; i<n; i++) 594 printf("%s ", dpdk_argv[i]); 595 596 return n; 597 } 598 599 static int 600 ff_parse_args(struct ff_config *cfg, int argc, char *const argv[]) 601 { 602 int c; 603 int index = 0; 604 optind = 1; 605 while((c = getopt_long(argc, argv, short_options, long_options, &index)) != -1) { 606 switch (c) { 607 case 'c': 608 cfg->filename = strdup(optarg); 609 break; 610 case 'p': 611 cfg->dpdk.proc_id = atoi(optarg); 612 break; 613 case 't': 614 cfg->dpdk.proc_type = strdup(optarg); 615 break; 616 default: 617 return -1; 618 } 619 } 620 621 if (cfg->dpdk.proc_type == NULL) { 622 cfg->dpdk.proc_type = strdup("auto"); 623 } 624 625 if (strcmp(cfg->dpdk.proc_type, "primary") && 626 strcmp(cfg->dpdk.proc_type, "secondary") && 627 strcmp(cfg->dpdk.proc_type, "auto")) { 628 printf("invalid proc-type:%s\n", cfg->dpdk.proc_type); 629 return -1; 630 } 631 632 if ((uint16_t)cfg->dpdk.proc_id > RTE_MAX_LCORE) { 633 printf("invalid proc_id:%d, use default 0\n", cfg->dpdk.proc_id); 634 cfg->dpdk.proc_id = 0; 635 } 636 637 return 0; 638 } 639 640 static int 641 ff_check_config(struct ff_config *cfg) 642 { 643 if(cfg->kni.enable && !cfg->kni.method) { 644 fprintf(stderr, "conf dpdk.method is necessary\n"); 645 return -1; 646 } 647 648 if(cfg->kni.method) { 649 if(strcasecmp(cfg->kni.method,"accept") && 650 strcasecmp(cfg->kni.method,"reject")) { 651 fprintf(stderr, "conf kni.method[accept|reject] is error(%s)\n", 652 cfg->kni.method); 653 return -1; 654 } 655 } 656 657 #define CHECK_VALID(n) \ 658 do { \ 659 if (!pc->n) { \ 660 fprintf(stderr, "port%d if config error: no %s\n", \ 661 pc->port_id, #n); \ 662 return -1; \ 663 } \ 664 } while (0) 665 666 int i; 667 for (i = 0; i < cfg->dpdk.nb_ports; i++) { 668 uint16_t portid = cfg->dpdk.portid_list[i]; 669 struct ff_port_cfg *pc = &cfg->dpdk.port_cfgs[portid]; 670 CHECK_VALID(addr); 671 CHECK_VALID(netmask); 672 CHECK_VALID(broadcast); 673 CHECK_VALID(gateway); 674 // check if the lcores in lcore_list are enabled. 675 int k; 676 for (k = 0; k < pc->nb_lcores; k++) { 677 uint16_t lcore_id = pc->lcore_list[k]; 678 if (uint16_binary_search(cfg->dpdk.proc_lcore, 0, 679 cfg->dpdk.nb_procs-1, lcore_id) < 0) { 680 fprintf(stderr, "lcore %d is not enabled.\n", lcore_id); 681 return -1; 682 } 683 } 684 /* 685 * only primary process process KNI, so if KNI enabled, 686 * primary lcore must stay in every enabled ports' lcore_list 687 */ 688 if (cfg->kni.enable && 689 strcmp(cfg->dpdk.proc_type, "primary") == 0) { 690 int found = 0; 691 int j; 692 uint16_t lcore_id = cfg->dpdk.proc_lcore[cfg->dpdk.proc_id]; 693 for (j = 0; j < pc->nb_lcores; j++) { 694 if (pc->lcore_list[j] == lcore_id) { 695 found = 1; 696 } 697 } 698 if (! found) { 699 fprintf(stderr, 700 "primary lcore %d should stay in port %d's lcore_list.\n", 701 lcore_id, pc->port_id); 702 return -1; 703 } 704 } 705 } 706 707 return 0; 708 } 709 710 static void 711 ff_default_config(struct ff_config *cfg) 712 { 713 memset(cfg, 0, sizeof(struct ff_config)); 714 715 cfg->filename = DEFAULT_CONFIG_FILE; 716 717 cfg->dpdk.proc_id = -1; 718 cfg->dpdk.numa_on = 1; 719 cfg->dpdk.promiscuous = 1; 720 cfg->dpdk.pkt_tx_delay = BURST_TX_DRAIN_US; 721 722 cfg->freebsd.hz = 100; 723 cfg->freebsd.physmem = 1048576*256; 724 cfg->freebsd.fd_reserve = 0; 725 cfg->freebsd.mem_size = 256; 726 } 727 728 int 729 ff_load_config(int argc, char *const argv[]) 730 { 731 ff_default_config(&ff_global_cfg); 732 733 int ret = ff_parse_args(&ff_global_cfg, argc, argv); 734 if (ret < 0) { 735 return ret; 736 } 737 738 ret = ini_parse(ff_global_cfg.filename, ini_parse_handler, 739 &ff_global_cfg); 740 if (ret != 0) { 741 printf("parse %s failed on line %d\n", ff_global_cfg.filename, ret); 742 return -1; 743 } 744 745 if (ff_check_config(&ff_global_cfg)) { 746 return -1; 747 } 748 749 if (dpdk_args_setup(&ff_global_cfg) <= 0) { 750 return -1; 751 } 752 753 return 0; 754 } 755