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 port_cfg_handler(struct ff_config *cfg, const char *section, 371 const char *name, const char *value) { 372 373 if (cfg->dpdk.nb_ports == 0) { 374 fprintf(stderr, "port_cfg_handler: must config dpdk.port_list first\n"); 375 return 0; 376 } 377 378 if (cfg->dpdk.port_cfgs == NULL) { 379 struct ff_port_cfg *pc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_port_cfg)); 380 if (pc == NULL) { 381 fprintf(stderr, "port_cfg_handler malloc failed\n"); 382 return 0; 383 } 384 // initialize lcore list and nb_lcores 385 int i; 386 for (i = 0; i < cfg->dpdk.nb_ports; ++i) { 387 uint16_t portid = cfg->dpdk.portid_list[i]; 388 389 struct ff_port_cfg *pconf = &pc[portid]; 390 pconf->port_id = portid; 391 pconf->nb_lcores = ff_global_cfg.dpdk.nb_procs; 392 memcpy(pconf->lcore_list, ff_global_cfg.dpdk.proc_lcore, 393 pconf->nb_lcores*sizeof(uint16_t)); 394 } 395 cfg->dpdk.port_cfgs = pc; 396 } 397 398 int portid; 399 int ret = sscanf(section, "port%d", &portid); 400 if (ret != 1) { 401 fprintf(stderr, "port_cfg_handler section[%s] error\n", section); 402 return 0; 403 } 404 405 /* just return true if portid >= nb_ports because it has no effect */ 406 if (portid > cfg->dpdk.max_portid) { 407 fprintf(stderr, "port_cfg_handler section[%s] bigger than max port id\n", section); 408 return 1; 409 } 410 411 struct ff_port_cfg *cur = &cfg->dpdk.port_cfgs[portid]; 412 if (cur->name == NULL) { 413 cur->name = strdup(section); 414 cur->port_id = portid; 415 } 416 417 if (strcmp(name, "addr") == 0) { 418 cur->addr = strdup(value); 419 } else if (strcmp(name, "netmask") == 0) { 420 cur->netmask = strdup(value); 421 } else if (strcmp(name, "broadcast") == 0) { 422 cur->broadcast = strdup(value); 423 } else if (strcmp(name, "gateway") == 0) { 424 cur->gateway = strdup(value); 425 } else if (strcmp(name, "pcap") == 0) { 426 cur->pcap = strdup(value); 427 } else if (strcmp(name, "lcore_list") == 0) { 428 return parse_port_lcore_list(cur, value); 429 } else if (strcmp(name, "slave_port_list") == 0) { 430 return parse_port_slave_list(cur, value); 431 } 432 433 return 1; 434 } 435 436 static int 437 vdev_cfg_handler(struct ff_config *cfg, const char *section, 438 const char *name, const char *value) { 439 440 if (cfg->dpdk.nb_vdev == 0) { 441 fprintf(stderr, "vdev_cfg_handler: must config dpdk.nb_vdev first\n"); 442 return 0; 443 } 444 445 if (cfg->dpdk.vdev_cfgs == NULL) { 446 struct ff_vdev_cfg *vc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_vdev_cfg)); 447 if (vc == NULL) { 448 fprintf(stderr, "vdev_cfg_handler malloc failed\n"); 449 return 0; 450 } 451 cfg->dpdk.vdev_cfgs = vc; 452 } 453 454 int vdevid; 455 int ret = sscanf(section, "vdev%d", &vdevid); 456 if (ret != 1) { 457 fprintf(stderr, "vdev_cfg_handler section[%s] error\n", section); 458 return 0; 459 } 460 461 /* just return true if vdevid >= nb_vdev because it has no effect */ 462 if (vdevid > cfg->dpdk.nb_vdev) { 463 fprintf(stderr, "vdev_cfg_handler section[%s] bigger than max vdev id\n", section); 464 return 1; 465 } 466 467 struct ff_vdev_cfg *cur = &cfg->dpdk.vdev_cfgs[vdevid]; 468 if (cur->name == NULL) { 469 cur->name = strdup(section); 470 cur->vdev_id = vdevid; 471 } 472 473 if (strcmp(name, "iface") == 0) { 474 cur->iface = strdup(value); 475 } else if (strcmp(name, "path") == 0) { 476 cur->path = strdup(value); 477 } else if (strcmp(name, "queues") == 0) { 478 cur->nb_queues = atoi(value); 479 } else if (strcmp(name, "queue_size") == 0) { 480 cur->queue_size = atoi(value); 481 } else if (strcmp(name, "mac") == 0) { 482 cur->mac = strdup(value); 483 } else if (strcmp(name, "cq") == 0) { 484 cur->nb_cq = atoi(value); 485 } 486 487 return 1; 488 } 489 490 static int 491 bond_cfg_handler(struct ff_config *cfg, const char *section, 492 const char *name, const char *value) { 493 494 if (cfg->dpdk.nb_bond == 0) { 495 fprintf(stderr, "bond_cfg_handler: must config dpdk.nb_bond first\n"); 496 return 0; 497 } 498 499 if (cfg->dpdk.bond_cfgs == NULL) { 500 struct ff_bond_cfg *vc = calloc(RTE_MAX_ETHPORTS, sizeof(struct ff_bond_cfg)); 501 if (vc == NULL) { 502 fprintf(stderr, "ff_bond_cfg malloc failed\n"); 503 return 0; 504 } 505 cfg->dpdk.bond_cfgs = vc; 506 } 507 508 int bondid; 509 int ret = sscanf(section, "bond%d", &bondid); 510 if (ret != 1) { 511 fprintf(stderr, "bond_cfg_handler section[%s] error\n", section); 512 return 0; 513 } 514 515 /* just return true if bondid >= nb_vdev because it has no effect */ 516 if (bondid > cfg->dpdk.nb_bond) { 517 fprintf(stderr, "bond_cfg_handler section[%s] bigger than max bond id\n", section); 518 return 1; 519 } 520 521 struct ff_bond_cfg *cur = &cfg->dpdk.bond_cfgs[bondid]; 522 if (cur->name == NULL) { 523 cur->name = strdup(section); 524 cur->bond_id = bondid; 525 } 526 527 if (strcmp(name, "mode") == 0) { 528 cur->mode = atoi(value); 529 } else if (strcmp(name, "slave") == 0) { 530 cur->slave = strdup(value); 531 } else if (strcmp(name, "primary") == 0) { 532 cur->primary = strdup(value); 533 } else if (strcmp(name, "socket_id") == 0) { 534 cur->socket_id = atoi(value); 535 } else if (strcmp(name, "mac") == 0) { 536 cur->bond_mac = strdup(value); 537 } else if (strcmp(name, "xmit_policy") == 0) { 538 cur->xmit_policy = strdup(value); 539 } else if (strcmp(name, "lsc_poll_period_ms") == 0) { 540 cur->lsc_poll_period_ms = atoi(value); 541 } else if (strcmp(name, "up_delay") == 0) { 542 cur->up_delay = atoi(value); 543 } else if (strcmp(name, "down_delay") == 0) { 544 cur->down_delay = atoi(value); 545 } 546 547 return 1; 548 } 549 550 static int 551 ini_parse_handler(void* user, const char* section, const char* name, 552 const char* value) 553 { 554 struct ff_config *pconfig = (struct ff_config*)user; 555 556 printf("[%s]: %s=%s\n", section, name, value); 557 558 #define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0 559 if (MATCH("dpdk", "channel")) { 560 pconfig->dpdk.nb_channel = atoi(value); 561 } else if (MATCH("dpdk", "memory")) { 562 pconfig->dpdk.memory = atoi(value); 563 } else if (MATCH("dpdk", "no_huge")) { 564 pconfig->dpdk.no_huge = atoi(value); 565 } else if (MATCH("dpdk", "lcore_mask")) { 566 pconfig->dpdk.lcore_mask = strdup(value); 567 return parse_lcore_mask(pconfig, pconfig->dpdk.lcore_mask); 568 } else if (MATCH("dpdk", "base_virtaddr")) { 569 pconfig->dpdk.base_virtaddr= strdup(value); 570 } else if (MATCH("dpdk", "port_list")) { 571 return parse_port_list(pconfig, value); 572 } else if (MATCH("dpdk", "nb_vdev")) { 573 pconfig->dpdk.nb_vdev = atoi(value); 574 } else if (MATCH("dpdk", "nb_bond")) { 575 pconfig->dpdk.nb_bond = atoi(value); 576 } else if (MATCH("dpdk", "promiscuous")) { 577 pconfig->dpdk.promiscuous = atoi(value); 578 } else if (MATCH("dpdk", "numa_on")) { 579 pconfig->dpdk.numa_on = atoi(value); 580 } else if (MATCH("dpdk", "tso")) { 581 pconfig->dpdk.tso = atoi(value); 582 } else if (MATCH("dpdk", "tx_csum_offoad_skip")) { 583 pconfig->dpdk.tx_csum_offoad_skip = atoi(value); 584 } else if (MATCH("dpdk", "vlan_strip")) { 585 pconfig->dpdk.vlan_strip = atoi(value); 586 } else if (MATCH("dpdk", "idle_sleep")) { 587 pconfig->dpdk.idle_sleep = atoi(value); 588 } else if (MATCH("dpdk", "pkt_tx_delay")) { 589 pconfig->dpdk.pkt_tx_delay = atoi(value); 590 } else if (MATCH("kni", "enable")) { 591 pconfig->kni.enable= atoi(value); 592 } else if (MATCH("kni", "method")) { 593 pconfig->kni.method= strdup(value); 594 } else if (MATCH("kni", "tcp_port")) { 595 pconfig->kni.tcp_port = strdup(value); 596 } else if (MATCH("kni", "udp_port")) { 597 pconfig->kni.udp_port= strdup(value); 598 } else if (strcmp(section, "freebsd.boot") == 0) { 599 if (strcmp(name, "hz") == 0) { 600 pconfig->freebsd.hz = atoi(value); 601 } else if (strcmp(name, "physmem") == 0) { 602 pconfig->freebsd.physmem = atol(value); 603 } else if (strcmp(name, "fd_reserve") == 0) { 604 pconfig->freebsd.fd_reserve = atoi(value); 605 } else if (strcmp(name, "memsz_MB") == 0) { 606 pconfig->freebsd.mem_size = atoi(value); 607 } else { 608 return freebsd_conf_handler(pconfig, "boot", name, value); 609 } 610 } else if (strcmp(section, "freebsd.sysctl") == 0) { 611 return freebsd_conf_handler(pconfig, "sysctl", name, value); 612 } else if (strncmp(section, "port", 4) == 0) { 613 return port_cfg_handler(pconfig, section, name, value); 614 } else if (strncmp(section, "vdev", 4) == 0) { 615 return vdev_cfg_handler(pconfig, section, name, value); 616 } else if (strncmp(section, "bond", 4) == 0) { 617 return bond_cfg_handler(pconfig, section, name, value); 618 } else if (strcmp(section, "pcap") == 0) { 619 if (strcmp(name, "snaplen") == 0) { 620 pconfig->pcap.snap_len = (uint16_t)atoi(value); 621 } else if (strcmp(name, "savelen") == 0) { 622 pconfig->pcap.save_len = (uint32_t)atoi(value); 623 } else if (strcmp(name, "enable") == 0) { 624 pconfig->pcap.enable = (uint16_t)atoi(value); 625 } else if (strcmp(name, "savepath") == 0) { 626 pconfig->pcap.save_path = strdup(value); 627 } 628 } 629 630 return 1; 631 } 632 633 static int 634 dpdk_args_setup(struct ff_config *cfg) 635 { 636 int n = 0, i; 637 dpdk_argv[n++] = strdup("f-stack"); 638 char temp[DPDK_CONFIG_MAXLEN] = {0}, temp2[DPDK_CONFIG_MAXLEN] = {0}; 639 640 if (cfg->dpdk.no_huge) { 641 dpdk_argv[n++] = strdup("--no-huge"); 642 } 643 if (cfg->dpdk.proc_mask) { 644 sprintf(temp, "-c%s", cfg->dpdk.proc_mask); 645 dpdk_argv[n++] = strdup(temp); 646 } 647 if (cfg->dpdk.nb_channel) { 648 sprintf(temp, "-n%d", cfg->dpdk.nb_channel); 649 dpdk_argv[n++] = strdup(temp); 650 } 651 if (cfg->dpdk.memory) { 652 sprintf(temp, "-m%d", cfg->dpdk.memory); 653 dpdk_argv[n++] = strdup(temp); 654 } 655 if (cfg->dpdk.proc_type) { 656 sprintf(temp, "--proc-type=%s", cfg->dpdk.proc_type); 657 dpdk_argv[n++] = strdup(temp); 658 } 659 if (cfg->dpdk.base_virtaddr) { 660 sprintf(temp, "--base-virtaddr=%s", cfg->dpdk.base_virtaddr); 661 dpdk_argv[n++] = strdup(temp); 662 } 663 664 if (cfg->dpdk.nb_vdev) { 665 for (i=0; i<cfg->dpdk.nb_vdev; i++) { 666 sprintf(temp, "--vdev=virtio_user%d,path=%s", 667 cfg->dpdk.vdev_cfgs[i].vdev_id, 668 cfg->dpdk.vdev_cfgs[i].path); 669 if (cfg->dpdk.vdev_cfgs[i].nb_queues) { 670 sprintf(temp2, ",queues=%u", 671 cfg->dpdk.vdev_cfgs[i].nb_queues); 672 strcat(temp, temp2); 673 } 674 if (cfg->dpdk.vdev_cfgs[i].nb_cq) { 675 sprintf(temp2, ",cq=%u", 676 cfg->dpdk.vdev_cfgs[i].nb_cq); 677 strcat(temp, temp2); 678 } 679 if (cfg->dpdk.vdev_cfgs[i].queue_size) { 680 sprintf(temp2, ",queue_size=%u", 681 cfg->dpdk.vdev_cfgs[i].queue_size); 682 strcat(temp, temp2); 683 } 684 if (cfg->dpdk.vdev_cfgs[i].mac) { 685 sprintf(temp2, ",mac=%s", 686 cfg->dpdk.vdev_cfgs[i].mac); 687 strcat(temp, temp2); 688 } 689 dpdk_argv[n++] = strdup(temp); 690 } 691 sprintf(temp, "--no-pci"); 692 dpdk_argv[n++] = strdup(temp); 693 sprintf(temp, "--file-prefix=container"); 694 dpdk_argv[n++] = strdup(temp); 695 } 696 697 if (cfg->dpdk.nb_bond) { 698 for (i=0; i<cfg->dpdk.nb_bond; i++) { 699 sprintf(temp, "--vdev"); 700 dpdk_argv[n++] = strdup(temp); 701 sprintf(temp, "net_bonding%d,mode=%d,slave=%s", 702 cfg->dpdk.bond_cfgs[i].bond_id, 703 cfg->dpdk.bond_cfgs[i].mode, 704 cfg->dpdk.bond_cfgs[i].slave); 705 706 if (cfg->dpdk.bond_cfgs[i].primary) { 707 sprintf(temp2, ",primary=%s", 708 cfg->dpdk.bond_cfgs[i].primary); 709 strcat(temp, temp2); 710 } 711 712 if (cfg->dpdk.bond_cfgs[i].socket_id) { 713 sprintf(temp2, ",socket_id=%d", 714 cfg->dpdk.bond_cfgs[i].socket_id); 715 strcat(temp, temp2); 716 } 717 718 if (cfg->dpdk.bond_cfgs[i].bond_mac) { 719 sprintf(temp2, ",mac=%s", 720 cfg->dpdk.bond_cfgs[i].bond_mac); 721 strcat(temp, temp2); 722 } 723 724 if (cfg->dpdk.bond_cfgs[i].xmit_policy) { 725 sprintf(temp2, ",xmit_policy=%s", 726 cfg->dpdk.bond_cfgs[i].xmit_policy); 727 strcat(temp, temp2); 728 } 729 730 if (cfg->dpdk.bond_cfgs[i].lsc_poll_period_ms) { 731 sprintf(temp2, ",lsc_poll_period_ms=%d", 732 cfg->dpdk.bond_cfgs[i].lsc_poll_period_ms); 733 strcat(temp, temp2); 734 } 735 736 if (cfg->dpdk.bond_cfgs[i].up_delay) { 737 sprintf(temp2, ",up_delay=%d", 738 cfg->dpdk.bond_cfgs[i].up_delay); 739 strcat(temp, temp2); 740 } 741 742 if (cfg->dpdk.bond_cfgs[i].down_delay) { 743 sprintf(temp2, ",down_delay=%d", 744 cfg->dpdk.bond_cfgs[i].down_delay); 745 strcat(temp, temp2); 746 } 747 dpdk_argv[n++] = strdup(temp); 748 } 749 } 750 751 dpdk_argc = n; 752 753 for (i=0; i<n; i++) 754 printf("%s ", dpdk_argv[i]); 755 756 return n; 757 } 758 759 static int 760 ff_parse_args(struct ff_config *cfg, int argc, char *const argv[]) 761 { 762 int c; 763 int index = 0; 764 optind = 1; 765 while((c = getopt_long(argc, argv, short_options, long_options, &index)) != -1) { 766 switch (c) { 767 case 'c': 768 cfg->filename = strdup(optarg); 769 break; 770 case 'p': 771 cfg->dpdk.proc_id = atoi(optarg); 772 break; 773 case 't': 774 cfg->dpdk.proc_type = strdup(optarg); 775 break; 776 default: 777 return -1; 778 } 779 } 780 781 if (cfg->dpdk.proc_type == NULL) { 782 cfg->dpdk.proc_type = strdup("auto"); 783 } 784 785 if (strcmp(cfg->dpdk.proc_type, "primary") && 786 strcmp(cfg->dpdk.proc_type, "secondary") && 787 strcmp(cfg->dpdk.proc_type, "auto")) { 788 printf("invalid proc-type:%s\n", cfg->dpdk.proc_type); 789 return -1; 790 } 791 792 if ((uint16_t)cfg->dpdk.proc_id > RTE_MAX_LCORE) { 793 printf("invalid proc_id:%d, use default 0\n", cfg->dpdk.proc_id); 794 cfg->dpdk.proc_id = 0; 795 } 796 797 return 0; 798 } 799 800 static int 801 ff_check_config(struct ff_config *cfg) 802 { 803 if(cfg->kni.enable && !cfg->kni.method) { 804 fprintf(stderr, "conf dpdk.method is necessary\n"); 805 return -1; 806 } 807 808 if(cfg->kni.method) { 809 if(strcasecmp(cfg->kni.method,"accept") && 810 strcasecmp(cfg->kni.method,"reject")) { 811 fprintf(stderr, "conf kni.method[accept|reject] is error(%s)\n", 812 cfg->kni.method); 813 return -1; 814 } 815 } 816 817 if ( cfg->pcap.save_len < PCAP_SAVE_MINLEN ) 818 cfg->pcap.save_len = PCAP_SAVE_MINLEN; 819 if (cfg->pcap.snap_len < PCAP_SNAP_MINLEN) 820 cfg->pcap.snap_len = PCAP_SNAP_MINLEN; 821 if ( cfg->pcap.save_path==NULL || strlen(cfg->pcap.save_path) ==0) 822 cfg->pcap.save_path = strdup("."); 823 824 #define CHECK_VALID(n) \ 825 do { \ 826 if (!pc->n) { \ 827 fprintf(stderr, "port%d if config error: no %s\n", \ 828 pc->port_id, #n); \ 829 return -1; \ 830 } \ 831 } while (0) 832 833 int i; 834 for (i = 0; i < cfg->dpdk.nb_ports; i++) { 835 uint16_t portid = cfg->dpdk.portid_list[i]; 836 struct ff_port_cfg *pc = &cfg->dpdk.port_cfgs[portid]; 837 CHECK_VALID(addr); 838 CHECK_VALID(netmask); 839 CHECK_VALID(broadcast); 840 CHECK_VALID(gateway); 841 // check if the lcores in lcore_list are enabled. 842 int k; 843 for (k = 0; k < pc->nb_lcores; k++) { 844 uint16_t lcore_id = pc->lcore_list[k]; 845 if (uint16_binary_search(cfg->dpdk.proc_lcore, 0, 846 cfg->dpdk.nb_procs-1, lcore_id) < 0) { 847 fprintf(stderr, "lcore %d is not enabled.\n", lcore_id); 848 return -1; 849 } 850 } 851 /* 852 * only primary process process KNI, so if KNI enabled, 853 * primary lcore must stay in every enabled ports' lcore_list 854 */ 855 if (cfg->kni.enable && 856 strcmp(cfg->dpdk.proc_type, "primary") == 0) { 857 int found = 0; 858 int j; 859 uint16_t lcore_id = cfg->dpdk.proc_lcore[cfg->dpdk.proc_id]; 860 for (j = 0; j < pc->nb_lcores; j++) { 861 if (pc->lcore_list[j] == lcore_id) { 862 found = 1; 863 } 864 } 865 if (! found) { 866 fprintf(stderr, 867 "primary lcore %d should stay in port %d's lcore_list.\n", 868 lcore_id, pc->port_id); 869 return -1; 870 } 871 } 872 } 873 874 return 0; 875 } 876 877 static void 878 ff_default_config(struct ff_config *cfg) 879 { 880 memset(cfg, 0, sizeof(struct ff_config)); 881 882 cfg->filename = DEFAULT_CONFIG_FILE; 883 884 cfg->dpdk.proc_id = -1; 885 cfg->dpdk.numa_on = 1; 886 cfg->dpdk.promiscuous = 1; 887 cfg->dpdk.pkt_tx_delay = BURST_TX_DRAIN_US; 888 889 cfg->freebsd.hz = 100; 890 cfg->freebsd.physmem = 1048576*256; 891 cfg->freebsd.fd_reserve = 0; 892 cfg->freebsd.mem_size = 256; 893 } 894 895 int 896 ff_load_config(int argc, char *const argv[]) 897 { 898 ff_default_config(&ff_global_cfg); 899 900 int ret = ff_parse_args(&ff_global_cfg, argc, argv); 901 if (ret < 0) { 902 return ret; 903 } 904 905 ret = ini_parse(ff_global_cfg.filename, ini_parse_handler, 906 &ff_global_cfg); 907 if (ret != 0) { 908 printf("parse %s failed on line %d\n", ff_global_cfg.filename, ret); 909 return -1; 910 } 911 912 if (ff_check_config(&ff_global_cfg)) { 913 return -1; 914 } 915 916 if (dpdk_args_setup(&ff_global_cfg) <= 0) { 917 return -1; 918 } 919 920 return 0; 921 } 922