package/broadcom-wl/src/wlc/wlc.c

   1 /*
   2  * wlc - Broadcom Wireless Driver Control Utility
   3  *
   4  * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <unistd.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <fcntl.h>
  24 #include <glob.h>
  25 #include <ctype.h>
  26
  27 #include <typedefs.h>
  28 #include <wlutils.h>
  29 #include <proto/802.11.h>
  30
  31 #define VERSION "0.1"
  32 #define BUFSIZE 8192
  33 #define PTABLE_MAGIC 0xbadc0ded
  34 #define PTABLE_SLT1 1
  35 #define PTABLE_SLT2 2
  36 #define PTABLE_ACKW 3
  37 #define PTABLE_ADHM 4
  38 #define PTABLE_END 0xffffffff
  39
  40 /*
  41  * Copy each token in wordlist delimited by space into word
  42  * Taken from Broadcom shutils.h
  43  */
  44 #define foreach(word, wordlist, next) \
  45         for (next = &wordlist[strspn(wordlist, " ")], \
  46                  strncpy(word, next, sizeof(word)), \
  47                  word[strcspn(word, " ")] = '\0', \
  48                  word[sizeof(word) - 1] = '\0', \
  49                  next = strchr(next, ' '); \
  50                  strlen(word); \
  51                  next = next ? &next[strspn(next, " ")] : "", \
  52                  strncpy(word, next, sizeof(word)), \
  53                  word[strcspn(word, " ")] = '\0', \
  54                  word[sizeof(word) - 1] = '\0', \
  55                  next = strchr(next, ' '))
  56
  57 static char wlbuf[8192];
  58 static char interface[16] = "wl0";
  59 static unsigned long kmem_offset = 0;
  60 static int vif = 0, debug = 1, fromstdin = 0;
  61
  62 typedef enum {
  63         NONE =   0x00,
  64
  65         /* types */
  66         PARAM_TYPE =    0x00f,
  67         INT =    0x001,
  68         STRING = 0x002,
  69         MAC =    0x003,
  70
  71         /* options */
  72         PARAM_OPTIONS = 0x0f0,
  73         NOARG =  0x010,
  74
  75         /* modes */
  76         PARAM_MODE =    0xf00,
  77         GET =    0x100,
  78         SET =    0x200,
  79 } wlc_param;
  80
  81 struct wlc_call {
  82         const char *name;
  83         wlc_param param;
  84         int (*handler)(wlc_param param, void *data, void *value);
  85         union {
  86                 int num;
  87                 char *str;
  88                 void *ptr;
  89         } data;
  90         const char *desc;
  91 };
  92
  93 /* can't use the system include because of the stupid broadcom header files */
  94 extern struct ether_addr *ether_aton(const char *asc);
  95 static inline int my_ether_ntoa(unsigned char *ea, char *buf)
  96 {
  97         return sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
  98                 ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]);
  99 }
 100
 101 static int wlc_ioctl(wlc_param param, void *data, void *value)
 102 {
 103         unsigned int *var = ((unsigned int *) data);
 104         unsigned int ioc = *var;
 105
 106         if (param & NOARG) {
 107                 return wl_ioctl(interface, ioc, NULL, 0);
 108         }
 109         switch(param & PARAM_TYPE) {
 110                 case MAC:
 111                         return wl_ioctl(interface, ((param & SET) ? (ioc) : (ioc >> 16)) & 0xffff, value, 6);
 112                 case INT:
 113                         return wl_ioctl(interface, ((param & SET) ? (ioc) : (ioc >> 16)) & 0xffff, value, sizeof(int));
 114                 case STRING:
 115                         return wl_ioctl(interface, ((param & SET) ? (ioc) : (ioc >> 16)) & 0xffff, value, BUFSIZE);
 116         }
 117         return 0;
 118 }
 119
 120 static int wlc_iovar(wlc_param param, void *data, void *value)
 121 {
 122         int *val = (int *) value;
 123         char *iov = *((char **) data);
 124         int ret = 0;
 125
 126         if (param & SET) {
 127                 switch(param & PARAM_TYPE) {
 128                         case INT:
 129                                 ret = wl_iovar_setint(interface, iov, *val);
 130                                 break;
 131                         case MAC:
 132                                 ret = wl_iovar_set(interface, iov, value, 6);
 133                                 break;
 134                 }
 135         }
 136         if (param & GET) {
 137                 switch(param & PARAM_TYPE) {
 138                         case INT:
 139                                 ret = wl_iovar_getint(interface, iov, val);
 140                                 break;
 141                         case MAC:
 142                                 ret = wl_iovar_get(interface, iov, value, 6);
 143                                 break;
 144                 }
 145         }
 146
 147         return ret;
 148 }
 149
 150 static int wlc_bssiovar(wlc_param param, void *data, void *value)
 151 {
 152         int *val = (int *) value;
 153         char *iov = *((char **) data);
 154         int ret = 0;
 155
 156         if (param & SET) {
 157                 switch(param & PARAM_TYPE) {
 158                         case INT:
 159                                 ret = wl_bssiovar_setint(interface, iov, vif, *val);
 160                 }
 161         }
 162         if (param & GET) {
 163                 switch(param & PARAM_TYPE) {
 164                         case INT:
 165                                 ret = wl_bssiovar_getint(interface, iov, vif, val);
 166                 }
 167         }
 168
 169         return ret;
 170 }
 171
 172 static int wlc_vif_enabled(wlc_param param, void *data, void *value)
 173 {
 174         int *val = (int *) value;
 175         int buf[3];
 176         int ret = 0;
 177
 178         sprintf((char *) buf, "bss");
 179         buf[1] = vif;
 180         if (param & SET) {
 181                 buf[2] = (*val ? 1 : 0);
 182                 ret = wl_ioctl(interface, WLC_SET_VAR, buf, sizeof(buf));
 183         } else if (param & GET) {
 184                 ret = wl_ioctl(interface, WLC_GET_VAR, buf, sizeof(buf));
 185                 *val = buf[0];
 186         }
 187
 188         return ret;
 189 }
 190
 191 static int wlc_ssid(wlc_param param, void *data, void *value)
 192 {
 193         int ret = -1, ret2 = -1;
 194         char *dest = (char *) value;
 195         wlc_ssid_t ssid;
 196
 197         if ((param & PARAM_MODE) == GET) {
 198                 ret = wl_bssiovar_get(interface, "ssid", vif, &ssid, sizeof(ssid));
 199
 200                 if (ret)
 201                         /* if we can't get the ssid through the bssiovar, try WLC_GET_SSID */
 202                         ret = wl_ioctl(interface, WLC_GET_SSID, &ssid, sizeof(ssid));
 203
 204                 if (!ret) {
 205                         memcpy(dest, ssid.SSID, ssid.SSID_len);
 206                         dest[ssid.SSID_len] = 0;
 207                 }
 208         } else if ((param & PARAM_MODE) == SET) {
 209                 strncpy(ssid.SSID, value, 32);
 210                 ssid.SSID_len = strlen(value);
 211
 212                 if (ssid.SSID_len > 32)
 213                         ssid.SSID_len = 32;
 214
 215                 if (vif == 0) {
 216                         /* for the main interface, also try the WLC_SET_SSID call */
 217                         ret2 = wl_ioctl(interface, WLC_SET_SSID, &ssid, sizeof(ssid));
 218                 }
 219
 220                 ret = wl_bssiovar_set(interface, "ssid", vif, &ssid, sizeof(ssid));
 221                 ret = (!ret2 ? 0 : ret);
 222         }
 223
 224         return ret;
 225 }
 226
 227 static int wlc_int(wlc_param param, void *data, void *value)
 228 {
 229         int *var = *((int **) data);
 230         int *val = (int *) value;
 231
 232         if ((param & PARAM_MODE) == SET) {
 233                 *var = *val;
 234         } else if ((param & PARAM_MODE) == GET) {
 235                 *val = *var;
 236         }
 237
 238         return 0;
 239 }
 240
 241 static int wlc_flag(wlc_param param, void *data, void *value)
 242 {
 243         int *var = *((int **) data);
 244
 245         *var = 1;
 246
 247         return 0;
 248 }
 249
 250 static int wlc_string(wlc_param param, void *data, void *value)
 251 {
 252         char *var = *((char **) data);
 253
 254         if ((param & PARAM_MODE) == GET) {
 255                 strcpy(value, var);
 256         }
 257
 258         return 0;
 259 }
 260
 261 static int wlc_afterburner(wlc_param param, void *data, void *value)
 262 {
 263         int *val = (int *) value;
 264         int ret = 0;
 265
 266         if ((param & PARAM_MODE) == GET) {
 267                 ret = wl_iovar_getint(interface, "afterburner", val);
 268         } else {
 269                 wl_iovar_setint(interface, "wlfeatureflag", (*val ? 3 : 0));
 270                 ret = wl_iovar_setint(interface, "afterburner", (*val ? 1 : 0));
 271                 wl_iovar_setint(interface, "afterburner_override", *val);
 272         }
 273
 274         return ret;
 275 }
 276
 277 static int wlc_maclist(wlc_param param, void *data, void *value)
 278 {
 279         unsigned int *var = ((unsigned int *) data);
 280         unsigned int ioc = *var;
 281         int limit = (sizeof(wlbuf) - 4) / sizeof(struct ether_addr);
 282         struct maclist *list = (struct maclist *) wlbuf;
 283         char *str = (char *) value;
 284         char astr[30], *p;
 285         struct ether_addr *addr;
 286         int isset = 0;
 287         int ret;
 288
 289         if ((param & PARAM_MODE) == GET) {
 290                 list->count = limit;
 291                 ret = wl_ioctl(interface, (ioc >> 16) & 0xffff, wlbuf, sizeof(wlbuf));
 292
 293                 if (!ret)
 294                         while (list->count) {
 295                                 str += sprintf(str, "%s", ((((char *) value) == str) ? "" : " "));
 296                                 str += my_ether_ntoa((unsigned char *) &list->ea[list->count-- - 1], str);
 297                         }
 298
 299                 return ret;
 300         } else {
 301                 while (*str && isspace(*str))
 302                         *str++;
 303
 304                 if (*str == '+') {
 305                         str++;
 306
 307                         list->count = limit;
 308                         if (wl_ioctl(interface, (ioc >> 16) & 0xffff, wlbuf, sizeof(wlbuf)) == 0)
 309                                 isset = 1;
 310
 311                         while (*str && isspace(*str))
 312                                 str++;
 313                 }
 314
 315                 if (!isset)
 316                         memset(wlbuf, 0, sizeof(wlbuf));
 317
 318                 foreach(astr, str, p) {
 319                         if (list->count >= limit)
 320                                 break;
 321
 322                         if ((addr = ether_aton(astr)) != NULL)
 323                                 memcpy(&list->ea[list->count++], addr, sizeof(struct ether_addr));
 324                 }
 325
 326                 return wl_ioctl(interface, ioc & 0xffff, wlbuf, sizeof(wlbuf));
 327         }
 328 }
 329
 330 static int wlc_radio(wlc_param param, void *data, void *value)
 331 {
 332         int *val = (int *) value;
 333         int ret;
 334
 335         if ((param & PARAM_MODE) == GET) {
 336                 ret = wl_ioctl(interface, WLC_GET_RADIO, val, sizeof(int));
 337                 *val = ((*val & 1) ? 0 : 1);
 338         } else {
 339                 *val = (1 << 16) | (*val ? 0 : 1);
 340                 ret = wl_ioctl(interface, WLC_SET_RADIO, val, sizeof(int));
 341         }
 342
 343         return ret;
 344 }
 345
 346 static int wlc_wsec_key(wlc_param param, void *null, void *value)
 347 {
 348         wl_wsec_key_t wsec_key;
 349         unsigned char *index = value;
 350         unsigned char *key;
 351         unsigned char *data;
 352         unsigned char hex[3];
 353
 354         if ((param & PARAM_MODE) != SET)
 355                 return 0;
 356
 357         memset(&wsec_key, 0, sizeof(wsec_key));
 358         if (index[0] == '=') {
 359                 wsec_key.flags = WL_PRIMARY_KEY;
 360                 index++;
 361         }
 362
 363         if ((index[0] < '1') || (index[0] > '4') || (index[1] != ','))
 364                 return -1;
 365
 366         key = index + 2;
 367         if (strncmp(key, "d:", 2) == 0) { /* delete key */
 368         } else if (strncmp(key, "s:", 2) == 0) { /* ascii key */
 369                 key += 2;
 370                 wsec_key.len = strlen(key);
 371
 372                 if ((wsec_key.len != 5) && (wsec_key.len != 13))
 373                         return -1;
 374
 375                 strcpy(wsec_key.data, key);
 376         } else { /* hex key */
 377                 wsec_key.len = strlen(key);
 378                 if ((wsec_key.len != 10) && (wsec_key.len != 26))
 379                         return -1;
 380
 381                 wsec_key.len /= 2;
 382                 data = wsec_key.data;
 383                 hex[2] = 0;
 384                 do {
 385                         hex[0] = *(key++);
 386                         hex[1] = *(key++);
 387                         *(data++) = (unsigned char) strtoul(hex, NULL, 16);
 388                 } while (*key != 0);
 389         }
 390
 391         return wl_bssiovar_set(interface, "wsec_key", vif, &wsec_key, sizeof(wsec_key));
 392 }
 393
 394 static inline int cw2ecw(int cw)
 395 {
 396         int i;
 397         for (cw++, i = 0; cw; i++) cw >>=1;
 398         return i - 1;
 399 }
 400
 401 static int wlc_wme_ac(wlc_param param, void *data, void *value)
 402 {
 403         char *type = *((char **) data);
 404         char *settings = (char *) value;
 405         char cmd[100], *p, *val;
 406         edcf_acparam_t params[AC_COUNT];
 407         int ret;
 408         int intval;
 409         int cur = -1;
 410         char *buf = wlbuf;
 411
 412         if ((param & PARAM_MODE) != SET)
 413                 return -1;
 414
 415         memset(params, 0, sizeof(params));
 416         ret = wl_iovar_get(interface, type, params, sizeof(params));
 417         memset(buf, 0, BUFSIZE);
 418         strcpy(buf, type);
 419         buf += strlen(buf) + 1;
 420
 421         foreach(cmd, settings, p) {
 422                 val = strchr(cmd, '=');
 423                 if (val == NULL) {
 424                         if (strcmp(cmd, "be") == 0)
 425                                 cur = AC_BE;
 426                         else if (strcmp(cmd, "bk") == 0)
 427                                 cur = AC_BK;
 428                         else if (strcmp(cmd, "vi") == 0)
 429                                 cur = AC_VI;
 430                         else if (strcmp(cmd, "vo") == 0)
 431                                 cur = AC_VO;
 432                         else
 433                                 return -1;
 434
 435                         /* just in case */
 436                         params[cur].ACI = (params[cur].ACI & (0x3 << 5)) | (cur << 5);
 437                 } else {
 438                         *(val++) = 0;
 439
 440                         intval = strtoul(val, NULL, 10);
 441                         if (strcmp(cmd, "cwmin") == 0)
 442                                 params[cur].ECW = (params[cur].ECW & ~(0xf)) | cw2ecw(intval);
 443                         else if (strcmp(cmd, "ecwmin") == 0)
 444                                 params[cur].ECW = (params[cur].ECW & ~(0xf)) | (intval & 0xf);
 445                         else if (strcmp(cmd, "cwmax") == 0)
 446                                 params[cur].ECW = (params[cur].ECW & ~(0xf << 4)) | (cw2ecw(intval) << 4);
 447                         else if (strcmp(cmd, "ecwmax") == 0)
 448                                 params[cur].ECW = (params[cur].ECW & ~(0xf << 4)) | ((intval & 0xf) << 4);
 449                         else if (strcmp(cmd, "aifsn") == 0)
 450                                 params[cur].ACI = (params[cur].ACI & ~(0xf)) | (intval & 0xf);
 451                         else if (strcmp(cmd, "txop") == 0)
 452                                 params[cur].TXOP = intval >> 5;
 453                         else if (strcmp(cmd, "force") == 0)
 454                                 params[cur].ACI = (params[cur].ACI & ~(1 << 4)) | ((intval) ? (1 << 4) : 0);
 455                         else return -1;
 456
 457                         memcpy(buf, &params[cur], sizeof(edcf_acparam_t));
 458                         wl_ioctl(interface, WLC_SET_VAR, wlbuf, BUFSIZE);
 459                 }
 460         }
 461         return ret;
 462 }
 463
 464 static int wlc_ifname(wlc_param param, void *data, void *value)
 465 {
 466         char *val = (char *) value;
 467         int ret = 0;
 468
 469         if (param & SET) {
 470                 if (strlen(val) < 16)
 471                         strcpy(interface, val);
 472                 else ret = -1;
 473         }
 474         if (param & GET) {
 475                 strcpy(val, interface);
 476         }
 477
 478         return ret;
 479 }
 480
 481 static int wlc_wdsmac(wlc_param param, void *data, void *value)
 482 {
 483         unsigned char mac[6];
 484         int ret = 0;
 485
 486         ret = wl_ioctl(interface, WLC_WDS_GET_REMOTE_HWADDR, &mac, 6);
 487         if (ret == 0)
 488                 my_ether_ntoa(mac, value);
 489
 490         return ret;
 491 }
 492
 493 static int wlc_pmk(wlc_param param, void *data, void *value)
 494 {
 495         int ret = -1;
 496         char *str = (char *) value;
 497         wsec_pmk_t pmk;
 498
 499         /* driver doesn't support GET */
 500
 501         if ((param & PARAM_MODE) == SET) {
 502                 strncpy(pmk.key, value, WSEC_MAX_PSK_LEN);
 503                 pmk.key_len = strlen(value);
 504
 505                 if (pmk.key_len > WSEC_MAX_PSK_LEN)
 506                         pmk.key_len = WSEC_MAX_PSK_LEN;
 507
 508                 pmk.flags = WSEC_PASSPHRASE;
 509
 510                 ret = wl_ioctl(interface, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
 511         }
 512
 513         return ret;
 514 }
 515
 516 static const struct wlc_call wlc_calls[] = {
 517         {
 518                 .name = "version",
 519                 .param = STRING|NOARG,
 520                 .handler = wlc_string,
 521                 .data.str = VERSION,
 522                 .desc = "Version of this program"
 523         },
 524         {
 525                 .name = "debug",
 526                 .param = INT,
 527                 .handler = wlc_int,
 528                 .data.ptr = &debug,
 529                 .desc = "wlc debug level"
 530         },
 531         {
 532                 .name = "stdin",
 533                 .param = NOARG,
 534                 .handler = wlc_flag,
 535                 .data.ptr = &fromstdin,
 536                 .desc = "Accept input from stdin"
 537         },
 538         {
 539                 .name = "ifname",
 540                 .param = STRING,
 541                 .handler = wlc_ifname,
 542                 .desc = "interface to send commands to"
 543         },
 544         {
 545                 .name = "up",
 546                 .param = NOARG,
 547                 .handler = wlc_ioctl,
 548                 .data.num = WLC_UP,
 549                 .desc = "Bring the interface up"
 550         },
 551         {
 552                 .name = "down",
 553                 .param = NOARG,
 554                 .handler = wlc_ioctl,
 555                 .data.num = WLC_DOWN,
 556                 .desc = "Bring the interface down"
 557         },
 558         {
 559                 .name = "radio",
 560                 .param = INT,
 561                 .handler = wlc_radio,
 562                 .desc = "Radio enabled flag"
 563         },
 564         {
 565                 .name = "ap",
 566                 .param = INT,
 567                 .handler = wlc_ioctl,
 568                 .data.num = ((WLC_GET_AP << 16) | WLC_SET_AP),
 569                 .desc = "Access Point mode"
 570         },
 571         {
 572                 .name = "mssid",
 573                 .param = INT,
 574                 .handler = wlc_iovar,
 575                 .data.str = "mbss",
 576                 .desc = "Multi-ssid mode"
 577         },
 578         {
 579                 .name = "apsta",
 580                 .param = INT,
 581                 .handler = wlc_iovar,
 582                 .data.str = "apsta",
 583                 .desc = "AP+STA mode"
 584         },
 585         {
 586                 .name = "infra",
 587                 .param = INT,
 588                 .handler = wlc_ioctl,
 589                 .data.num = ((WLC_GET_INFRA << 16) | WLC_SET_INFRA),
 590                 .desc = "Infrastructure mode"
 591         },
 592         {
 593                 .name = "wet",
 594                 .param = INT,
 595                 .handler = wlc_ioctl,
 596                 .data.num = ((WLC_GET_WET << 16) | WLC_SET_WET),
 597                 .desc = "Wireless repeater mode",
 598         },
 599         {
 600                 .name = "statimeout",
 601                 .param = INT,
 602                 .handler = wlc_iovar,
 603                 .data.str = "sta_retry_time",
 604                 .desc = "STA connection timeout"
 605         },
 606         {
 607                 .name = "country",
 608                 .param = STRING,
 609                 .handler = wlc_ioctl,
 610                 .data.num = ((WLC_GET_COUNTRY << 16) | WLC_SET_COUNTRY),
 611                 .desc = "Country code"
 612         },
 613         {
 614                 .name = "channel",
 615                 .param = INT,
 616                 .handler = wlc_ioctl,
 617                 .data.num = ((WLC_GET_CHANNEL << 16) | WLC_SET_CHANNEL),
 618                 .desc = "Channel",
 619         },
 620         {
 621                 .name = "vlan_mode",
 622                 .param = INT,
 623                 .handler = wlc_bssiovar,
 624                 .data.str = "vlan_mode",
 625                 .desc = "Parse 802.1Q tags",
 626         },
 627         {
 628                 .name = "vif",
 629                 .param = INT,
 630                 .handler = wlc_int,
 631                 .data.ptr = &vif,
 632                 .desc = "Current vif index"
 633         },
 634         {
 635                 .name = "enabled",
 636                 .param = INT,
 637                 .handler = wlc_vif_enabled,
 638                 .desc = "vif enabled flag"
 639         },
 640         {
 641                 .name = "ssid",
 642                 .param = STRING,
 643                 .handler = wlc_ssid,
 644                 .desc = "Interface ESSID"
 645         },
 646         {
 647                 .name = "closed",
 648                 .param = INT,
 649                 .handler = wlc_bssiovar,
 650                 .data.str = "closednet",
 651                 .desc = "Hidden ESSID flag"
 652         },
 653         {
 654                 .name = "wsec",
 655                 .param = INT,
 656                 .handler = wlc_bssiovar,
 657                 .data.str = "wsec",
 658                 .desc = "Security mode flags"
 659         },
 660         {
 661                 .name = "wepkey",
 662                 .param = STRING,
 663                 .handler = wlc_wsec_key,
 664                 .desc = "Set/Remove WEP keys"
 665         },
 666         {
 667                 .name = "wsec_restrict",
 668                 .param = INT,
 669                 .handler = wlc_bssiovar,
 670                 .data.str = "wsec_restrict",
 671                 .desc = "Drop unencrypted traffic"
 672         },
 673         {
 674                 .name = "eap_restrict",
 675                 .param = INT,
 676                 .handler = wlc_bssiovar,
 677                 .data.str = "eap_restrict",
 678                 .desc = "Only allow 802.1X traffic until 802.1X authorized"
 679         },
 680         {
 681                 .name = "wpa_auth",
 682                 .param = INT,
 683                 .handler = wlc_bssiovar,
 684                 .data.str = "wpa_auth",
 685                 .desc = "WPA authentication modes"
 686         },
 687         {
 688                 .name = "ap_isolate",
 689                 .param = INT,
 690                 .handler = wlc_bssiovar,
 691                 .data.str = "ap_isolate",
 692                 .desc = "Isolate connected clients"
 693         },
 694         {
 695                 .name = "supplicant",
 696                 .param = INT,
 697                 .handler = wlc_iovar,
 698                 .data.str = "sup_wpa",
 699                 .desc = "Built-in WPA supplicant"
 700         },
 701         {
 702                 .name = "passphrase",
 703                 .param = STRING,
 704                 .handler = wlc_pmk,
 705                 .desc = "Passphrase for built-in WPA supplicant",
 706         },
 707         {
 708                 .name = "maxassoc",
 709                 .param = INT,
 710                 .handler = wlc_iovar,
 711                 .data.str = "maxassoc",
 712                 .desc = "Max. number of associated clients",
 713         },
 714         {
 715                 .name = "wme",
 716                 .param = INT,
 717                 .handler = wlc_iovar,
 718                 .data.str = "wme",
 719                 .desc = "WME enabled"
 720         },
 721         {
 722                 .name = "wme_ac_ap",
 723                 .param = STRING,
 724                 .handler = wlc_wme_ac,
 725                 .data.str = "wme_ac_ap",
 726                 .desc = "Set WME AC options for AP mode",
 727         },
 728         {
 729                 .name = "wme_ac_sta",
 730                 .param = STRING,
 731                 .handler = wlc_wme_ac,
 732                 .data.str = "wme_ac_sta",
 733                 .desc = "Set WME AC options for STA mode",
 734         },
 735         {
 736                 .name = "wme_noack",
 737                 .param = INT,
 738                 .handler = wlc_iovar,
 739                 .data.str = "wme_noack",
 740                 .desc = "WME ACK disable request",
 741         },
 742         {
 743                 .name = "802.11d",
 744                 .param = INT,
 745                 .handler = wlc_ioctl,
 746                 .data.num = ((WLC_GET_REGULATORY << 16) | WLC_SET_REGULATORY),
 747                 .desc = "Enable/disable 802.11d regulatory management",
 748         },
 749         {
 750                 .name = "802.11h",
 751                 .param = INT,
 752                 .handler = wlc_ioctl,
 753                 .data.num = ((WLC_GET_SPECT_MANAGMENT << 16) | WLC_SET_SPECT_MANAGMENT),
 754                 .desc = "Enable/disable 802.11h spectrum management",
 755         },
 756         {
 757                 .name = "fragthresh",
 758                 .param = INT,
 759                 .handler = wlc_iovar,
 760                 .data.str = "fragthresh",
 761                 .desc = "Fragmentation threshold",
 762         },
 763         {
 764                 .name = "rtsthresh",
 765                 .param = INT,
 766                 .handler = wlc_iovar,
 767                 .data.str = "rtsthresh",
 768                 .desc = "RTS threshold"
 769         },
 770         {
 771                 .name = "slottime",
 772                 .param = INT,
 773                 .handler = wlc_iovar,
 774                 .data.str = "acktiming",
 775                 .desc = "Slot time"
 776         },
 777         {
 778                 .name = "rxant",
 779                 .param = INT,
 780                 .handler = wlc_ioctl,
 781                 .data.num = ((WLC_GET_ANTDIV << 16) | WLC_SET_ANTDIV),
 782                 .desc = "Rx antenna selection"
 783         },
 784         {
 785                 .name = "txant",
 786                 .param = INT,
 787                 .handler = wlc_ioctl,
 788                 .data.num = ((WLC_GET_TXANT << 16) | WLC_SET_TXANT),
 789                 .desc = "Tx antenna selection"
 790         },
 791         {
 792                 .name = "dtim",
 793                 .param = INT,
 794                 .handler = wlc_ioctl,
 795                 .data.num = ((WLC_GET_DTIMPRD << 16) | WLC_SET_DTIMPRD),
 796                 .desc = "DTIM period",
 797         },
 798         {
 799                 .name = "bcn",
 800                 .param = INT,
 801                 .handler = wlc_ioctl,
 802                 .data.num = ((WLC_GET_BCNPRD << 16) | WLC_SET_BCNPRD),
 803                 .desc = "Beacon interval"
 804         },
 805         {
 806                 .name = "frameburst",
 807                 .param = INT,
 808                 .handler = wlc_ioctl,
 809                 .data.num = ((WLC_GET_FAKEFRAG << 16) | WLC_SET_FAKEFRAG),
 810                 .desc = "Framebursting"
 811         },
 812         {
 813                 .name = "monitor",
 814                 .param = INT,
 815                 .handler = wlc_ioctl,
 816                 .data.num = ((WLC_GET_MONITOR << 16) | WLC_SET_MONITOR),
 817                 .desc = "Monitor mode"
 818         },
 819         {
 820                 .name = "passive",
 821                 .param = INT,
 822                 .handler = wlc_ioctl,
 823                 .data.num = ((WLC_GET_PASSIVE << 16) | WLC_SET_PASSIVE),
 824                 .desc = "Passive mode"
 825         },
 826         {
 827                 .name = "macfilter",
 828                 .param = INT,
 829                 .handler = wlc_ioctl,
 830                 .data.num = ((WLC_GET_MACMODE << 16) | WLC_SET_MACMODE),
 831                 .desc = "MAC filter mode (0:disabled, 1:deny, 2:allow)"
 832         },
 833         {
 834                 .name = "maclist",
 835                 .param = STRING,
 836                 .data.num = ((WLC_GET_MACLIST << 16) | WLC_SET_MACLIST),
 837                 .handler = wlc_maclist,
 838                 .desc = "MAC filter list"
 839         },
 840         {
 841                 .name = "autowds",
 842                 .param = INT,
 843                 .handler = wlc_ioctl,
 844                 .data.num = ((WLC_GET_LAZYWDS << 16) | WLC_SET_LAZYWDS),
 845                 .desc = "Automatic WDS"
 846         },
 847         {
 848                 .name = "wds",
 849                 .param = STRING,
 850                 .data.num = ((WLC_GET_WDSLIST << 16) | WLC_SET_WDSLIST),
 851                 .handler = wlc_maclist,
 852                 .desc = "WDS connection list"
 853         },
 854         {
 855                 .name = "wdstimeout",
 856                 .param = INT,
 857                 .handler = wlc_iovar,
 858                 .data.str = "wdstimeout",
 859                 .desc = "WDS link detection timeout"
 860         },
 861         {
 862                 .name = "wdsmac",
 863                 .param = STRING|NOARG,
 864                 .handler = wlc_wdsmac,
 865                 .desc = "MAC of the remote WDS endpoint (only with wds0.* interfaces)"
 866         },
 867         {
 868                 .name = "afterburner",
 869                 .param = INT,
 870                 .handler = wlc_afterburner,
 871                 .desc = "Broadcom Afterburner"
 872         },
 873         {
 874                 .name = "join_once",
 875                 .param = INT,
 876                 .handler = wlc_iovar,
 877                 .data.str = "IBSS_join_once",
 878                 .desc = "Prevent unwanted IBSS merges"
 879         },
 880         {
 881                 .name = "bssid",
 882                 .param = MAC,
 883                 .handler = wlc_iovar,
 884                 .data.str = "cur_etheraddr",
 885                 .desc = "BSSID"
 886         },
 887         {
 888                 .name = "default_bssid",
 889                 .param = MAC,
 890                 .handler = wlc_iovar,
 891                 .data.str = "perm_etheraddr",
 892                 .desc = "Default BSSID (read-only)"
 893         },
 894         {
 895                 .name = "allow_mode",
 896                 .param = INT,
 897                 .data.num = ((WLC_GET_ALLOW_MODE << 16) | WLC_SET_ALLOW_MODE),
 898                 .handler = wlc_ioctl,
 899                 .desc = "STA/IBSS assoc mode"
 900         },
 901         {
 902                 .name = "des_bssid",
 903                 .param = MAC,
 904                 .data.num = ((WLC_GET_DESIRED_BSSID << 16) | WLC_SET_DESIRED_BSSID),
 905                 .handler = wlc_ioctl,
 906                 .desc = "Desired BSSID"
 907         },
 908 };
 909 #define wlc_calls_size (sizeof(wlc_calls) / sizeof(struct wlc_call))
 910
 911 static void usage(char *cmd)
 912 {
 913         int i;
 914         fprintf(stderr, "Usage: %s <command> [<argument> ...]\n"
 915                                         "\n"
 916                                         "Available commands:\n", cmd);
 917         for (i = 0; i < wlc_calls_size; i++) {
 918                 fprintf(stderr, "\t%-16s\t%s\n", wlc_calls[i].name ?: "", wlc_calls[i].desc ?: "");
 919         }
 920         fprintf(stderr, "\n");
 921         exit(1);
 922 }
 923
 924 static int do_command(const struct wlc_call *cmd, char *arg)
 925 {
 926         static char buf[BUFSIZE];
 927         int set;
 928         int ret = 0;
 929         char *format, *end;
 930         int intval;
 931         void *ptr = (void *) buf;
 932
 933         if (debug >= 10) {
 934                 fprintf(stderr, "do_command %-16s\t'%s'\n", cmd->name, arg);
 935         }
 936
 937         if ((arg == NULL) && ((cmd->param & PARAM_TYPE) != NONE)) {
 938                 set = 0;
 939                 ret = cmd->handler(cmd->param | GET, (void *) &cmd->data, (void *) buf);
 940                 if (ret == 0) {
 941                         switch(cmd->param & PARAM_TYPE) {
 942                                 case INT:
 943                                         intval = *((int *) buf);
 944
 945                                         if (intval > 65535)
 946                                                 format = "0x%08x\n";
 947                                         else if (intval > 255)
 948                                                 format = "0x%04x\n";
 949                                         else
 950                                                 format = "%d\n";
 951
 952                                         fprintf(stdout, format, intval);
 953                                         break;
 954                                 case STRING:
 955                                         fprintf(stdout, "%s\n", buf);
 956                                         break;
 957                                 case MAC:
 958                                         my_ether_ntoa(buf, buf + 6);
 959                                         fprintf(stdout, "%s\n", buf + 6);
 960                                         break;
 961                         }
 962                 }
 963         } else { /* SET */
 964                 set = 1;
 965                 switch(cmd->param & PARAM_TYPE) {
 966                         case INT:
 967                                 intval = strtoul(arg, &end, 10);
 968                                 if (end && !(*end)) {
 969                                         memcpy(buf, &intval, sizeof(intval));
 970                                 } else {
 971                                         fprintf(stderr, "%s: Invalid argument\n", cmd->name);
 972                                         return -1;
 973                                 }
 974                                 break;
 975                         case STRING:
 976                                 strncpy(buf, arg, BUFSIZE);
 977                                 buf[BUFSIZE - 1] = 0;
 978                                 break;
 979                         case MAC:
 980                                 ptr = ether_aton(arg);
 981                                 if (!ptr) {
 982                                         fprintf(stderr, "%s: Invalid mac address '%s'\n", cmd->name, arg);
 983                                         return -1;
 984                                 }
 985                                 break;
 986                 }
 987
 988                 ret = cmd->handler(cmd->param | SET, (void *) &cmd->data, ptr);
 989         }
 990
 991         if ((debug > 0) && (ret != 0))
 992                 fprintf(stderr, "Command '%s %s' failed: %d\n", (set == 1 ? "set" : "get"), cmd->name, ret);
 993
 994         return ret;
 995 }
 996
 997 static struct wlc_call *find_cmd(char *name)
 998 {
 999         int found = 0, i = 0;
1000
1001         while (!found && (i < wlc_calls_size)) {
1002                 if (strcmp(name, wlc_calls[i].name) == 0)
1003                         found = 1;
1004                 else
1005                         i++;
1006         }
1007
1008         return (struct wlc_call *) (found ? &wlc_calls[i] : NULL);
1009 }
1010
1011 int main(int argc, char **argv)
1012 {
1013         static char buf[BUFSIZE];
1014         char *s, *s2;
1015         char *cmd = argv[0];
1016         struct wlc_call *call;
1017         int ret = 0;
1018
1019         if (argc < 2)
1020                 usage(argv[0]);
1021
1022         for(interface[2] = '0'; (interface[2] < '3') && (wl_probe(interface) != 0); interface[2]++);
1023         if (interface[2] == '3') {
1024                 fprintf(stderr, "No Broadcom wl interface found!\n");
1025                 return -1;
1026         }
1027
1028         argv++;
1029         argc--;
1030         while ((argc > 0) && (argv[0] != NULL)) {
1031                 if ((call = find_cmd(argv[0])) == NULL) {
1032                         fprintf(stderr, "Invalid command: %s\n\n", argv[0]);
1033                         usage(cmd);
1034                 }
1035                 if ((argc > 1) && (!(call->param & NOARG))) {
1036                         ret = do_command(call, argv[1]);
1037                         argv += 2;
1038                         argc -= 2;
1039                 } else {
1040                         ret = do_command(call, NULL);
1041                         argv++;
1042                         argc--;
1043                 }
1044         }
1045
1046         while (fromstdin && !feof(stdin)) {
1047                 *buf = 0;
1048                 fgets(buf, BUFSIZE - 1, stdin);
1049
1050                 if (*buf == 0)
1051                         continue;
1052
1053                 if ((s = strchr(buf, '\r')) != NULL)
1054                         *s = 0;
1055                 if ((s = strchr(buf, '\n')) != NULL)
1056                         *s = 0;
1057
1058                 s = buf;
1059                 while (isspace(*s))
1060                         s++;
1061
1062                 if (!*s)
1063                         continue;
1064
1065                 if ((s2 = strchr(buf, ' ')) != NULL)
1066                         *(s2++) = 0;
1067
1068                 while (s2 && isspace(*s2))
1069                         s2++;
1070
1071                 if ((call = find_cmd(buf)) == NULL) {
1072                         fprintf(stderr, "Invalid command: %s\n", buf);
1073                         ret = -1;
1074                 } else
1075                         ret = do_command(call, ((call->param & NOARG) ? NULL : s2));
1076         }
1077
1078         return ret;
1079 }