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 snprintf(buf, sizeof(buf) - 1, "%llx%s", 121 (unsigned long long)1<<shift, zero); 122 cfg->dpdk.proc_mask = strdup(buf); 123 } 124 count++; 125 } 126 } 127 } 128 129 for (; i >= 0; i--) 130 if (coremask[i] != '0') 131 return 0; 132 133 if (cfg->dpdk.proc_id >= count) 134 return 0; 135 136 cfg->dpdk.nb_procs = count; 137 138 return 1; 139 } 140 141 static int 142 is_integer(const char *s) 143 { 144 if (*s == '-' || *s == '+') 145 s++; 146 if (*s < '0' || '9' < *s) 147 return 0; 148 s++; 149 while ('0' <= *s && *s <= '9') 150 s++; 151 return (*s == '\0'); 152 } 153 154 static int 155 freebsd_conf_handler(struct ff_config *cfg, const char *section, 156 const char *name, const char *value) 157 { 158 struct ff_freebsd_cfg *newconf, **cur; 159 newconf = (struct ff_freebsd_cfg *)malloc(sizeof(struct ff_freebsd_cfg)); 160 if (newconf == NULL) { 161 fprintf(stderr, "freebsd conf malloc failed\n"); 162 return 0; 163 } 164 165 newconf->name = strdup(name); 166 newconf->str = strdup(value); 167 168 if (strcmp(section, "boot") == 0) { 169 cur = &cfg->freebsd.boot; 170 171 newconf->value = (void *)newconf->str; 172 newconf->vlen = strlen(value); 173 } else if (strcmp(section, "sysctl") == 0) { 174 cur = &cfg->freebsd.sysctl; 175 176 if (is_integer(value)) { 177 if (strcmp(name, "kern.ipc.maxsockbuf") == 0) { 178 long *p = (long *)malloc(sizeof(long)); 179 *p = atol(value); 180 newconf->value = (void *)p; 181 newconf->vlen = sizeof(*p); 182 } else { 183 int *p = (int *)malloc(sizeof(int)); 184 *p = atoi(value); 185 newconf->value = (void *)p; 186 newconf->vlen = sizeof(*p); 187 } 188 } else { 189 newconf->value = (void *)newconf->str; 190 newconf->vlen = strlen(value); 191 } 192 } else { 193 fprintf(stderr, "freebsd conf section[%s] error\n", section); 194 return 0; 195 } 196 197 if (*cur == NULL) { 198 newconf->next = NULL; 199 *cur = newconf; 200 } else { 201 newconf->next = (*cur)->next; 202 (*cur)->next = newconf; 203 } 204 205 return 1; 206 } 207 // A recursive binary search function. It returns location of x in 208 // given array arr[l..r] is present, otherwise -1 209 static int 210 uint16_binary_search(uint16_t arr[], int l, int r, uint16_t x) 211 { 212 if (r >= l) { 213 int mid = l + (r - l)/2; 214 215 // If the element is present at the middle itself 216 if (arr[mid] == x) return mid; 217 218 // If element is smaller than mid, then it can only be present 219 // in left subarray 220 if (arr[mid] > x) return uint16_binary_search(arr, l, mid-1, x); 221 222 // Else the element can only be present in right subarray 223 return uint16_binary_search(arr, mid+1, r, x); 224 } 225 226 // We reach here when element is not present in array 227 return -1; 228 } 229 230 static int 231 uint16_cmp (const void * a, const void * b) 232 { 233 return ( *(uint16_t*)a - *(uint16_t*)b ); 234 } 235 236 static inline void 237 sort_uint16_array(uint16_t arr[], int n) 238 { 239 qsort(arr, n, sizeof(uint16_t), uint16_cmp); 240 } 241 242 static inline char * 243 __strstrip(char *s) 244 { 245 char *end = s + strlen(s) - 1; 246 while(*s == ' ') s++; 247 for (; end >= s; --end) { 248 if (*end != ' ') break; 249 } 250 *(++end) = '\0'; 251 return s; 252 } 253 254 static int 255 __parse_config_list(uint16_t *arr, int *sz, const char *value) { 256 int i, j; 257 char input[4096]; 258 char *tokens[128]; 259 int nTokens = 0; 260 char *endptr; 261 int nr_ele = 0; 262 int max_ele = *sz; 263 264 strncpy(input, value, sizeof(input) - 1); 265 nTokens = rte_strsplit(input, sizeof(input), tokens, 128, ','); 266 for (i = 0; i < nTokens; i++) { 267 char *tok = tokens[i]; 268 char *middle = strchr(tok, '-'); 269 if (middle == NULL) { 270 tok = __strstrip(tok); 271 long v = strtol(tok, &endptr, 10); 272 if (*endptr != '\0') { 273 fprintf(stderr, "%s is not a integer.", tok); 274 return 0; 275 } 276 if (nr_ele > max_ele) { 277 fprintf(stderr, "too many elements in list %s\n", value); 278 return 0; 279 } 280 arr[nr_ele++] = (uint16_t)v; 281 } else { 282 *middle = '\0'; 283 char *lbound = __strstrip(tok); 284 char *rbound = __strstrip(middle+1); 285 long lv = strtol(lbound, &endptr, 10); 286 if (*endptr != '\0') { 287 fprintf(stderr, "%s is not a integer.", lbound); 288 return 0; 289 } 290 long rv = strtol(rbound, &endptr, 10); 291 if (*endptr != '\0') { 292 fprintf(stderr, "%s is not a integer.", rbound); 293 return 0; 294 } 295 for (j = lv; j <= rv; ++j) { 296 if (nr_ele > max_ele) { 297 fprintf(stderr, "too many elements in list %s.\n", value); 298 return 0; 299 } 300 arr[nr_ele++] = (uint16_t)j; 301 } 302 } 303 } 304 if (nr_ele <= 0) { 305 fprintf(stderr, "list %s is empty\n", value); 306 return 1; 307 } 308 sort_uint16_array(arr, nr_ele); 309 *sz = nr_ele; 310 return 1; 311 } 312 313 static int 314 parse_port_lcore_list(struct ff_port_cfg *cfg, const char *v_str) 315 { 316 cfg->nb_lcores = DPDK_MAX_LCORE; 317 uint16_t *cores = cfg->lcore_list; 318 return __parse_config_list(cores, &cfg->nb_lcores, v_str); 319 } 320 321 static int 322 parse_port_list(struct ff_config *cfg, const char *v_str) 323 { 324 int res; 325 uint16_t ports[RTE_MAX_ETHPORTS]; 326 int sz = RTE_MAX_ETHPORTS; 327 328 res = __parse_config_list(ports, &sz, v_str); 329 if (! res) return res; 330 331 uint16_t *portid_list = malloc(sizeof(uint16_t)*sz); 332 333 if (portid_list == NULL) { 334 fprintf(stderr, "parse_port_list malloc failed\n"); 335 return 0; 336 } 337 memcpy(portid_list, ports, sz*sizeof(uint16_t)); 338 339 cfg->dpdk.portid_list = portid_list; 340 cfg->dpdk.nb_ports = sz; 341 cfg->dpdk.max_portid = portid_list[sz-1]; 342 return res; 343 } 344 345 static int 346 parse_port_slave_list(struct ff_port_cfg *cfg, const char *v_str) 347 { 348 int res; 349 uint16_t ports[RTE_MAX_ETHPORTS]; 350 int sz = RTE_MAX_ETHPORTS; 351 352 res = __parse_config_list(ports, &sz, v_str); 353 if (! res) return res; 354 355 uint16_t *portid_list = malloc(sizeof(uint16_t)*sz); 356 357 if (portid_list == NULL) { 358 fprintf(stderr, "parse_port_slave_list malloc failed\n"); 359 return 0; 360 } 361 memcpy(portid_list, ports, sz*sizeof(uint16_t)); 362 363 cfg->slave_portid_list = portid_list; 364 cfg->nb_slaves = sz; 365 366 return res; 367 } 368 369 static int 370 vip_cfg_hander(struct ff_port_cfg *cur) 371 { 372 //vip cfg 373 int ret; 374 char *vip_addr_array[VIP_MAX_NUM]; 375 376 ret = rte_strsplit(cur->vip_addr_str, strlen(cur->vip_addr_str), &vip_addr_array[0], VIP_MAX_NUM, ';'); 377 if (ret <= 0) { 378 fprintf(stdout, "vip_cfg_hander nb_vip is 0, not set vip_addr or set invalid vip_addr %s\n", 379 cur->vip_addr_str); 380 return 1; 381 } 382 383 cur->nb_vip = ret; 384 385 cur->vip_addr_array = (char **)calloc(cur->nb_vip, sizeof(char *)); 386 if (cur->vip_addr_array == NULL) { 387 fprintf(stderr, "vip_cfg_hander malloc failed\n"); 388 goto err; 389 } 390 391 memcpy(cur->vip_addr_array, vip_addr_array, cur->nb_vip * sizeof(char *)); 392 393 return 1; 394 395 err: 396 cur->nb_vip = 0; 397 if (cur->vip_addr_array) { 398 free(cur->vip_addr_array); 399 cur->vip_addr_array = NULL; 400 } 401 402 return 0; 403 } 404 405 #ifdef INET6 406 static int 407 vip6_cfg_hander(struct ff_port_cfg *cur) 408 { 409 //vip6 cfg 410 int ret; 411 char *vip_addr6_array[VIP_MAX_NUM]; 412 413 ret = rte_strsplit(cur->vip_addr6_str, strlen(cur->vip_addr6_str), 414 &vip_addr6_array[0], VIP_MAX_NUM, ';'); 415 if (ret == 0) { 416 fprintf(stdout, "vip6_cfg_hander nb_vip6 is 0, not set vip_addr6 or set invalid vip_addr6 %s\n", 417 cur->vip_addr6_str); 418 return 1; 419 } 420 421 cur->nb_vip6 = ret; 422 423 cur->vip_addr6_array = (char **) calloc(cur->nb_vip6, sizeof(char *)); 424 if (cur->vip_addr6_array == NULL) { 425 fprintf(stderr, "port_cfg_handler malloc failed\n"); 426 goto fail; 427 } 428 429 memcpy(cur->vip_addr6_array, vip_addr6_array, cur->nb_vip6 * sizeof(char *)); 430 431 return 1; 432 433 fail: 434 cur->nb_vip6 = 0; 435 if (cur->vip_addr6_array) { 436 free(cur->vip_addr6_array); 437 cur->vip_addr6_array = NULL; 438 } 439 440 return 0; 441 } 442 #endif 443 444 static int 445 port_cfg_handler(struct ff_config *cfg, const char *section, 446 const char *name, const char *value) { 447 448 if (cfg->dpdk.nb_ports == 0) { 449 fprintf(stderr, "port_cfg_handler: must config dpdk.port_list first\n"); 450 return 0; 451 } 452 453 if (cfg->dpdk.port_cfgs == NULL) { 454 struct ff_port_cfg *pc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_port_cfg)); 455 if (pc == NULL) { 456 fprintf(stderr, "port_cfg_handler malloc failed\n"); 457 return 0; 458 } 459 // initialize lcore list and nb_lcores 460 int i; 461 for (i = 0; i < cfg->dpdk.nb_ports; ++i) { 462 uint16_t portid = cfg->dpdk.portid_list[i]; 463 464 struct ff_port_cfg *pconf = &pc[portid]; 465 pconf->port_id = portid; 466 pconf->nb_lcores = ff_global_cfg.dpdk.nb_procs; 467 memcpy(pconf->lcore_list, ff_global_cfg.dpdk.proc_lcore, 468 pconf->nb_lcores*sizeof(uint16_t)); 469 } 470 cfg->dpdk.port_cfgs = pc; 471 } 472 473 int portid; 474 int ret = sscanf(section, "port%d", &portid); 475 if (ret != 1) { 476 fprintf(stderr, "port_cfg_handler section[%s] error\n", section); 477 return 0; 478 } 479 480 /* just return true if portid >= nb_ports because it has no effect */ 481 if (portid > cfg->dpdk.max_portid) { 482 fprintf(stderr, "port_cfg_handler section[%s] bigger than max port id\n", section); 483 return 1; 484 } 485 486 struct ff_port_cfg *cur = &cfg->dpdk.port_cfgs[portid]; 487 if (cur->name == NULL) { 488 cur->name = strdup(section); 489 cur->port_id = portid; 490 } 491 492 if (strcmp(name, "addr") == 0) { 493 cur->addr = strdup(value); 494 } else if (strcmp(name, "netmask") == 0) { 495 cur->netmask = strdup(value); 496 } else if (strcmp(name, "broadcast") == 0) { 497 cur->broadcast = strdup(value); 498 } else if (strcmp(name, "gateway") == 0) { 499 cur->gateway = strdup(value); 500 } else if (strcmp(name, "lcore_list") == 0) { 501 return parse_port_lcore_list(cur, value); 502 } else if (strcmp(name, "slave_port_list") == 0) { 503 return parse_port_slave_list(cur, value); 504 } else if (strcmp(name, "vip_addr") == 0) { 505 cur->vip_addr_str = strdup(value); 506 if (cur->vip_addr_str) { 507 return vip_cfg_hander(cur); 508 } 509 } else if (strcmp(name, "vip_ifname") == 0) { 510 cur->vip_ifname = strdup(value); 511 } 512 513 #ifdef INET6 514 else if (0 == strcmp(name, "addr6")) { 515 cur->addr6_str = strdup(value); 516 } else if (0 == strcmp(name, "prefix_len")) { 517 cur->prefix_len = atoi(value); 518 } else if (0 == strcmp(name, "gateway6")) { 519 cur->gateway6_str = strdup(value); 520 } else if (strcmp(name, "vip_addr6") == 0) { 521 cur->vip_addr6_str = strdup(value); 522 if (cur->vip_addr_str) { 523 return vip6_cfg_hander(cur); 524 } 525 } else if (0 == strcmp(name, "vip_prefix_len")) { 526 cur->vip_prefix_len = atoi(value); 527 } 528 #endif 529 530 return 1; 531 } 532 533 static int 534 vdev_cfg_handler(struct ff_config *cfg, const char *section, 535 const char *name, const char *value) { 536 537 if (cfg->dpdk.nb_vdev == 0) { 538 fprintf(stderr, "vdev_cfg_handler: must config dpdk.nb_vdev first\n"); 539 return 0; 540 } 541 542 if (cfg->dpdk.vdev_cfgs == NULL) { 543 struct ff_vdev_cfg *vc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_vdev_cfg)); 544 if (vc == NULL) { 545 fprintf(stderr, "vdev_cfg_handler malloc failed\n"); 546 return 0; 547 } 548 cfg->dpdk.vdev_cfgs = vc; 549 } 550 551 int vdevid; 552 int ret = sscanf(section, "vdev%d", &vdevid); 553 if (ret != 1) { 554 fprintf(stderr, "vdev_cfg_handler section[%s] error\n", section); 555 return 0; 556 } 557 558 /* just return true if vdevid >= nb_vdev because it has no effect */ 559 if (vdevid > cfg->dpdk.nb_vdev) { 560 fprintf(stderr, "vdev_cfg_handler section[%s] bigger than max vdev id\n", section); 561 return 1; 562 } 563 564 struct ff_vdev_cfg *cur = &cfg->dpdk.vdev_cfgs[vdevid]; 565 if (cur->name == NULL) { 566 cur->name = strdup(section); 567 cur->vdev_id = vdevid; 568 } 569 570 if (strcmp(name, "iface") == 0) { 571 cur->iface = strdup(value); 572 } else if (strcmp(name, "path") == 0) { 573 cur->path = strdup(value); 574 } else if (strcmp(name, "queues") == 0) { 575 cur->nb_queues = atoi(value); 576 } else if (strcmp(name, "queue_size") == 0) { 577 cur->queue_size = atoi(value); 578 } else if (strcmp(name, "mac") == 0) { 579 cur->mac = strdup(value); 580 } else if (strcmp(name, "cq") == 0) { 581 cur->nb_cq = atoi(value); 582 } 583 584 return 1; 585 } 586 587 static int 588 bond_cfg_handler(struct ff_config *cfg, const char *section, 589 const char *name, const char *value) { 590 591 if (cfg->dpdk.nb_bond == 0) { 592 fprintf(stderr, "bond_cfg_handler: must config dpdk.nb_bond first\n"); 593 return 0; 594 } 595 596 if (cfg->dpdk.bond_cfgs == NULL) { 597 struct ff_bond_cfg *vc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_bond_cfg)); 598 if (vc == NULL) { 599 fprintf(stderr, "ff_bond_cfg malloc failed\n"); 600 return 0; 601 } 602 cfg->dpdk.bond_cfgs = vc; 603 } 604 605 int bondid; 606 int ret = sscanf(section, "bond%d", &bondid); 607 if (ret != 1) { 608 fprintf(stderr, "bond_cfg_handler section[%s] error\n", section); 609 return 0; 610 } 611 612 /* just return true if bondid >= nb_vdev because it has no effect */ 613 if (bondid > cfg->dpdk.nb_bond) { 614 fprintf(stderr, "bond_cfg_handler section[%s] bigger than max bond id\n", section); 615 return 1; 616 } 617 618 struct ff_bond_cfg *cur = &cfg->dpdk.bond_cfgs[bondid]; 619 if (cur->name == NULL) { 620 cur->name = strdup(section); 621 cur->bond_id = bondid; 622 } 623 624 if (strcmp(name, "mode") == 0) { 625 cur->mode = atoi(value); 626 } else if (strcmp(name, "slave") == 0) { 627 cur->slave = strdup(value); 628 } else if (strcmp(name, "primary") == 0) { 629 cur->primary = strdup(value); 630 } else if (strcmp(name, "socket_id") == 0) { 631 cur->socket_id = atoi(value); 632 } else if (strcmp(name, "mac") == 0) { 633 cur->bond_mac = strdup(value); 634 } else if (strcmp(name, "xmit_policy") == 0) { 635 cur->xmit_policy = strdup(value); 636 } else if (strcmp(name, "lsc_poll_period_ms") == 0) { 637 cur->lsc_poll_period_ms = atoi(value); 638 } else if (strcmp(name, "up_delay") == 0) { 639 cur->up_delay = atoi(value); 640 } else if (strcmp(name, "down_delay") == 0) { 641 cur->down_delay = atoi(value); 642 } 643 644 return 1; 645 } 646 647 static int 648 ini_parse_handler(void* user, const char* section, const char* name, 649 const char* value) 650 { 651 struct ff_config *pconfig = (struct ff_config*)user; 652 653 printf("[%s]: %s=%s\n", section, name, value); 654 655 #define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0 656 if (MATCH("dpdk", "channel")) { 657 pconfig->dpdk.nb_channel = atoi(value); 658 } else if (MATCH("dpdk", "memory")) { 659 pconfig->dpdk.memory = atoi(value); 660 } else if (MATCH("dpdk", "no_huge")) { 661 pconfig->dpdk.no_huge = atoi(value); 662 } else if (MATCH("dpdk", "lcore_mask")) { 663 pconfig->dpdk.lcore_mask = strdup(value); 664 return parse_lcore_mask(pconfig, pconfig->dpdk.lcore_mask); 665 } else if (MATCH("dpdk", "base_virtaddr")) { 666 pconfig->dpdk.base_virtaddr= strdup(value); 667 } else if (MATCH("dpdk", "file_prefix")) { 668 pconfig->dpdk.file_prefix = strdup(value); 669 } else if (MATCH("dpdk", "pci_whitelist")) { 670 pconfig->dpdk.pci_whitelist = strdup(value); 671 } else if (MATCH("dpdk", "port_list")) { 672 return parse_port_list(pconfig, value); 673 } else if (MATCH("dpdk", "nb_vdev")) { 674 pconfig->dpdk.nb_vdev = atoi(value); 675 } else if (MATCH("dpdk", "nb_bond")) { 676 pconfig->dpdk.nb_bond = atoi(value); 677 } else if (MATCH("dpdk", "promiscuous")) { 678 pconfig->dpdk.promiscuous = atoi(value); 679 } else if (MATCH("dpdk", "numa_on")) { 680 pconfig->dpdk.numa_on = atoi(value); 681 } else if (MATCH("dpdk", "tso")) { 682 pconfig->dpdk.tso = atoi(value); 683 } else if (MATCH("dpdk", "tx_csum_offoad_skip")) { 684 pconfig->dpdk.tx_csum_offoad_skip = atoi(value); 685 } else if (MATCH("dpdk", "vlan_strip")) { 686 pconfig->dpdk.vlan_strip = atoi(value); 687 } else if (MATCH("dpdk", "idle_sleep")) { 688 pconfig->dpdk.idle_sleep = atoi(value); 689 } else if (MATCH("dpdk", "pkt_tx_delay")) { 690 pconfig->dpdk.pkt_tx_delay = atoi(value); 691 } else if (MATCH("dpdk", "symmetric_rss")) { 692 pconfig->dpdk.symmetric_rss = atoi(value); 693 } else if (MATCH("kni", "enable")) { 694 pconfig->kni.enable= atoi(value); 695 } else if (MATCH("kni", "kni_action")) { 696 pconfig->kni.kni_action= strdup(value); 697 } else if (MATCH("kni", "method")) { 698 pconfig->kni.method= strdup(value); 699 } else if (MATCH("kni", "tcp_port")) { 700 pconfig->kni.tcp_port = strdup(value); 701 } else if (MATCH("kni", "udp_port")) { 702 pconfig->kni.udp_port= strdup(value); 703 } else if (strcmp(section, "freebsd.boot") == 0) { 704 if (strcmp(name, "hz") == 0) { 705 pconfig->freebsd.hz = atoi(value); 706 } else if (strcmp(name, "physmem") == 0) { 707 pconfig->freebsd.physmem = atol(value); 708 } else if (strcmp(name, "fd_reserve") == 0) { 709 pconfig->freebsd.fd_reserve = atoi(value); 710 } else if (strcmp(name, "memsz_MB") == 0) { 711 pconfig->freebsd.mem_size = atoi(value); 712 } else { 713 return freebsd_conf_handler(pconfig, "boot", name, value); 714 } 715 } else if (strcmp(section, "freebsd.sysctl") == 0) { 716 return freebsd_conf_handler(pconfig, "sysctl", name, value); 717 } else if (strncmp(section, "port", 4) == 0) { 718 return port_cfg_handler(pconfig, section, name, value); 719 } else if (strncmp(section, "vdev", 4) == 0) { 720 return vdev_cfg_handler(pconfig, section, name, value); 721 } else if (strncmp(section, "bond", 4) == 0) { 722 return bond_cfg_handler(pconfig, section, name, value); 723 } else if (strcmp(section, "pcap") == 0) { 724 if (strcmp(name, "snaplen") == 0) { 725 pconfig->pcap.snap_len = (uint16_t)atoi(value); 726 } else if (strcmp(name, "savelen") == 0) { 727 pconfig->pcap.save_len = (uint32_t)atoi(value); 728 } else if (strcmp(name, "enable") == 0) { 729 pconfig->pcap.enable = (uint16_t)atoi(value); 730 } else if (strcmp(name, "savepath") == 0) { 731 pconfig->pcap.save_path = strdup(value); 732 } 733 } 734 735 return 1; 736 } 737 738 static int 739 dpdk_args_setup(struct ff_config *cfg) 740 { 741 int n = 0, i; 742 dpdk_argv[n++] = strdup("f-stack"); 743 char temp[DPDK_CONFIG_MAXLEN] = {0}, temp2[DPDK_CONFIG_MAXLEN] = {0}; 744 745 if (cfg->dpdk.no_huge) { 746 dpdk_argv[n++] = strdup("--no-huge"); 747 } 748 if (cfg->dpdk.proc_mask) { 749 sprintf(temp, "-c%s", cfg->dpdk.proc_mask); 750 dpdk_argv[n++] = strdup(temp); 751 } 752 if (cfg->dpdk.nb_channel) { 753 sprintf(temp, "-n%d", cfg->dpdk.nb_channel); 754 dpdk_argv[n++] = strdup(temp); 755 } 756 if (cfg->dpdk.memory) { 757 sprintf(temp, "-m%d", cfg->dpdk.memory); 758 dpdk_argv[n++] = strdup(temp); 759 } 760 if (cfg->dpdk.proc_type) { 761 sprintf(temp, "--proc-type=%s", cfg->dpdk.proc_type); 762 dpdk_argv[n++] = strdup(temp); 763 } 764 if (cfg->dpdk.base_virtaddr) { 765 sprintf(temp, "--base-virtaddr=%s", cfg->dpdk.base_virtaddr); 766 dpdk_argv[n++] = strdup(temp); 767 } 768 if (cfg->dpdk.file_prefix) { 769 sprintf(temp, "--file-prefix=container-%s", cfg->dpdk.file_prefix); 770 dpdk_argv[n++] = strdup(temp); 771 } 772 if (cfg->dpdk.pci_whitelist) { 773 sprintf(temp, "--pci-whitelist=%s", cfg->dpdk.pci_whitelist); 774 dpdk_argv[n++] = strdup(temp); 775 } 776 777 if (cfg->dpdk.nb_vdev) { 778 for (i=0; i<cfg->dpdk.nb_vdev; i++) { 779 sprintf(temp, "--vdev=virtio_user%d,path=%s", 780 cfg->dpdk.vdev_cfgs[i].vdev_id, 781 cfg->dpdk.vdev_cfgs[i].path); 782 if (cfg->dpdk.vdev_cfgs[i].nb_queues) { 783 sprintf(temp2, ",queues=%u", 784 cfg->dpdk.vdev_cfgs[i].nb_queues); 785 strcat(temp, temp2); 786 } 787 if (cfg->dpdk.vdev_cfgs[i].nb_cq) { 788 sprintf(temp2, ",cq=%u", 789 cfg->dpdk.vdev_cfgs[i].nb_cq); 790 strcat(temp, temp2); 791 } 792 if (cfg->dpdk.vdev_cfgs[i].queue_size) { 793 sprintf(temp2, ",queue_size=%u", 794 cfg->dpdk.vdev_cfgs[i].queue_size); 795 strcat(temp, temp2); 796 } 797 if (cfg->dpdk.vdev_cfgs[i].mac) { 798 sprintf(temp2, ",mac=%s", 799 cfg->dpdk.vdev_cfgs[i].mac); 800 strcat(temp, temp2); 801 } 802 dpdk_argv[n++] = strdup(temp); 803 } 804 sprintf(temp, "--no-pci"); 805 dpdk_argv[n++] = strdup(temp); 806 if (!cfg->dpdk.file_prefix) { 807 sprintf(temp, "--file-prefix=container"); 808 dpdk_argv[n++] = strdup(temp); 809 } 810 } 811 812 if (cfg->dpdk.nb_bond) { 813 for (i=0; i<cfg->dpdk.nb_bond; i++) { 814 sprintf(temp, "--vdev"); 815 dpdk_argv[n++] = strdup(temp); 816 sprintf(temp, "net_bonding%d,mode=%d,slave=%s", 817 cfg->dpdk.bond_cfgs[i].bond_id, 818 cfg->dpdk.bond_cfgs[i].mode, 819 cfg->dpdk.bond_cfgs[i].slave); 820 821 if (cfg->dpdk.bond_cfgs[i].primary) { 822 sprintf(temp2, ",primary=%s", 823 cfg->dpdk.bond_cfgs[i].primary); 824 strcat(temp, temp2); 825 } 826 827 if (cfg->dpdk.bond_cfgs[i].socket_id) { 828 sprintf(temp2, ",socket_id=%d", 829 cfg->dpdk.bond_cfgs[i].socket_id); 830 strcat(temp, temp2); 831 } 832 833 if (cfg->dpdk.bond_cfgs[i].bond_mac) { 834 sprintf(temp2, ",mac=%s", 835 cfg->dpdk.bond_cfgs[i].bond_mac); 836 strcat(temp, temp2); 837 } 838 839 if (cfg->dpdk.bond_cfgs[i].xmit_policy) { 840 sprintf(temp2, ",xmit_policy=%s", 841 cfg->dpdk.bond_cfgs[i].xmit_policy); 842 strcat(temp, temp2); 843 } 844 845 if (cfg->dpdk.bond_cfgs[i].lsc_poll_period_ms) { 846 sprintf(temp2, ",lsc_poll_period_ms=%d", 847 cfg->dpdk.bond_cfgs[i].lsc_poll_period_ms); 848 strcat(temp, temp2); 849 } 850 851 if (cfg->dpdk.bond_cfgs[i].up_delay) { 852 sprintf(temp2, ",up_delay=%d", 853 cfg->dpdk.bond_cfgs[i].up_delay); 854 strcat(temp, temp2); 855 } 856 857 if (cfg->dpdk.bond_cfgs[i].down_delay) { 858 sprintf(temp2, ",down_delay=%d", 859 cfg->dpdk.bond_cfgs[i].down_delay); 860 strcat(temp, temp2); 861 } 862 dpdk_argv[n++] = strdup(temp); 863 } 864 } 865 866 dpdk_argc = n; 867 868 for (i=0; i<n; i++) 869 printf("%s ", dpdk_argv[i]); 870 871 return n; 872 } 873 874 static int 875 ff_parse_args(struct ff_config *cfg, int argc, char *const argv[]) 876 { 877 int c; 878 int index = 0; 879 optind = 1; 880 while((c = getopt_long(argc, argv, short_options, long_options, &index)) != -1) { 881 switch (c) { 882 case 'c': 883 cfg->filename = strdup(optarg); 884 break; 885 case 'p': 886 cfg->dpdk.proc_id = atoi(optarg); 887 break; 888 case 't': 889 cfg->dpdk.proc_type = strdup(optarg); 890 break; 891 default: 892 return -1; 893 } 894 } 895 896 if (cfg->dpdk.proc_type == NULL) { 897 cfg->dpdk.proc_type = strdup("auto"); 898 } 899 900 if (strcmp(cfg->dpdk.proc_type, "primary") && 901 strcmp(cfg->dpdk.proc_type, "secondary") && 902 strcmp(cfg->dpdk.proc_type, "auto")) { 903 printf("invalid proc-type:%s\n", cfg->dpdk.proc_type); 904 return -1; 905 } 906 907 if ((uint16_t)cfg->dpdk.proc_id > RTE_MAX_LCORE) { 908 printf("invalid proc_id:%d, use default 0\n", cfg->dpdk.proc_id); 909 cfg->dpdk.proc_id = 0; 910 } 911 912 return 0; 913 } 914 915 static int 916 ff_check_config(struct ff_config *cfg) 917 { 918 if(cfg->kni.enable && !cfg->kni.method) { 919 fprintf(stderr, "conf dpdk.method is necessary\n"); 920 return -1; 921 } 922 923 if(cfg->kni.method) { 924 if(strcasecmp(cfg->kni.method,"accept") && 925 strcasecmp(cfg->kni.method,"reject")) { 926 fprintf(stderr, "conf kni.method[accept|reject] is error(%s)\n", 927 cfg->kni.method); 928 return -1; 929 } 930 } 931 932 if(cfg->kni.kni_action) { 933 if (strcasecmp(cfg->kni.kni_action,"alltokni") && 934 strcasecmp(cfg->kni.kni_action,"alltoff") && 935 strcasecmp(cfg->kni.kni_action,"default")){ 936 fprintf(stderr, "conf kni.kni_action[alltokni|alltoff|default] is error(%s)\n", 937 cfg->kni.kni_action); 938 return -1; 939 } 940 } 941 942 if (cfg->pcap.save_len < PCAP_SAVE_MINLEN) 943 cfg->pcap.save_len = PCAP_SAVE_MINLEN; 944 if (cfg->pcap.snap_len < PCAP_SNAP_MINLEN) 945 cfg->pcap.snap_len = PCAP_SNAP_MINLEN; 946 if (cfg->pcap.save_path==NULL || strlen(cfg->pcap.save_path) ==0) 947 cfg->pcap.save_path = strdup("."); 948 949 #define CHECK_VALID(n) \ 950 do { \ 951 if (!pc->n) { \ 952 fprintf(stderr, "port%d if config error: no %s\n", \ 953 pc->port_id, #n); \ 954 return -1; \ 955 } \ 956 } while (0) 957 958 int i; 959 for (i = 0; i < cfg->dpdk.nb_ports; i++) { 960 uint16_t portid = cfg->dpdk.portid_list[i]; 961 struct ff_port_cfg *pc = &cfg->dpdk.port_cfgs[portid]; 962 CHECK_VALID(addr); 963 CHECK_VALID(netmask); 964 CHECK_VALID(broadcast); 965 CHECK_VALID(gateway); 966 // check if the lcores in lcore_list are enabled. 967 int k; 968 for (k = 0; k < pc->nb_lcores; k++) { 969 uint16_t lcore_id = pc->lcore_list[k]; 970 if (uint16_binary_search(cfg->dpdk.proc_lcore, 0, 971 cfg->dpdk.nb_procs-1, lcore_id) < 0) { 972 fprintf(stderr, "lcore %d is not enabled.\n", lcore_id); 973 return -1; 974 } 975 } 976 /* 977 * only primary process process KNI, so if KNI enabled, 978 * primary lcore must stay in every enabled ports' lcore_list 979 */ 980 if (cfg->kni.enable && 981 strcmp(cfg->dpdk.proc_type, "primary") == 0) { 982 int found = 0; 983 int j; 984 uint16_t lcore_id = cfg->dpdk.proc_lcore[cfg->dpdk.proc_id]; 985 for (j = 0; j < pc->nb_lcores; j++) { 986 if (pc->lcore_list[j] == lcore_id) { 987 found = 1; 988 } 989 } 990 if (! found) { 991 fprintf(stderr, 992 "primary lcore %d should stay in port %d's lcore_list.\n", 993 lcore_id, pc->port_id); 994 return -1; 995 } 996 } 997 } 998 999 return 0; 1000 } 1001 1002 static void 1003 ff_default_config(struct ff_config *cfg) 1004 { 1005 memset(cfg, 0, sizeof(struct ff_config)); 1006 1007 cfg->filename = DEFAULT_CONFIG_FILE; 1008 1009 cfg->dpdk.proc_id = -1; 1010 cfg->dpdk.numa_on = 1; 1011 cfg->dpdk.promiscuous = 1; 1012 cfg->dpdk.pkt_tx_delay = BURST_TX_DRAIN_US; 1013 1014 cfg->freebsd.hz = 100; 1015 cfg->freebsd.physmem = 1048576*256; 1016 cfg->freebsd.fd_reserve = 0; 1017 cfg->freebsd.mem_size = 256; 1018 } 1019 1020 int 1021 ff_load_config(int argc, char *const argv[]) 1022 { 1023 ff_default_config(&ff_global_cfg); 1024 1025 int ret = ff_parse_args(&ff_global_cfg, argc, argv); 1026 if (ret < 0) { 1027 return ret; 1028 } 1029 1030 ret = ini_parse(ff_global_cfg.filename, ini_parse_handler, 1031 &ff_global_cfg); 1032 if (ret != 0) { 1033 printf("parse %s failed on line %d\n", ff_global_cfg.filename, ret); 1034 return -1; 1035 } 1036 1037 if (ff_check_config(&ff_global_cfg)) { 1038 return -1; 1039 } 1040 1041 if (dpdk_args_setup(&ff_global_cfg) <= 0) { 1042 return -1; 1043 } 1044 1045 return 0; 1046 } 1047