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 ptable[128];
  60 static unsigned long kmem_offset = 0;
  61 static int vif = 0, debug = 1, fromstdin = 0;
  62
  63 typedef enum {
  64         NONE =   0x00,
  65
  66         /* types */
  67         PARAM_TYPE =    0x00f,
  68         INT =    0x001,
  69         STRING = 0x002,
  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 /*
 102  * find the starting point of wl.o in memory
 103  * by reading /proc/ksyms
 104  */
 105 static inline void wlc_get_mem_offset(void)
 106 {
 107         FILE *f;
 108         char s[64];
 109
 110         /* yes, i'm lazy ;) */
 111         f = popen("grep '\\[wl]' /proc/ksyms | sort", "r");
 112         if (fgets(s, 64, f) == 0)
 113                 return;
 114
 115         pclose(f);
 116
 117         s[8] = 0;
 118         kmem_offset = strtoul(s, NULL, 16);
 119
 120         /* sanity check */
 121         if (kmem_offset < 0xc0000000)
 122                 kmem_offset = 0;
 123 }
 124
 125
 126 static int ptable_init(void)
 127 {
 128         glob_t globbuf;
 129         struct stat statbuf;
 130         int fd;
 131
 132         if (ptable[0] == PTABLE_MAGIC)
 133                 return 0;
 134
 135         glob("/lib/modules/2.4.*/wl.o.patch", 0, NULL, &globbuf);
 136
 137         if (globbuf.gl_pathv[0] == NULL)
 138                 return -1;
 139
 140         if ((fd = open(globbuf.gl_pathv[0], O_RDONLY)) < 0)
 141                 return -1;
 142
 143         if (fstat(fd, &statbuf) < 0)
 144                 goto failed;
 145
 146         if (statbuf.st_size < 512)
 147                 goto failed;
 148
 149         if (read(fd, ptable, 512) < 512)
 150                 goto failed;
 151
 152         if (ptable[0] != PTABLE_MAGIC)
 153                 goto failed;
 154
 155         close(fd);
 156
 157         wlc_get_mem_offset();
 158         if (kmem_offset == 0)
 159                 return -1;
 160
 161         return 0;
 162
 163 failed:
 164         close(fd);
 165
 166         return -1;
 167 }
 168
 169 static inline unsigned long wlc_kmem_read(unsigned long offset)
 170 {
 171         int fd;
 172         unsigned long ret;
 173
 174         if ((fd = open("/dev/kmem", O_RDONLY )) < 0)
 175                 return -1;
 176
 177         lseek(fd, 0x70000000, SEEK_SET);
 178         lseek(fd, (kmem_offset - 0x70000000) + offset, SEEK_CUR);
 179         read(fd, &ret, 4);
 180         close(fd);
 181
 182         return ret;
 183 }
 184
 185 static inline void wlc_kmem_write(unsigned long offset, unsigned long value)
 186 {
 187         int fd;
 188
 189         if ((fd = open("/dev/kmem", O_WRONLY )) < 0)
 190                 return;
 191
 192         lseek(fd, 0x70000000, SEEK_SET);
 193         lseek(fd, (kmem_offset - 0x70000000) + offset, SEEK_CUR);
 194         write(fd, &value, 4);
 195         close(fd);
 196 }
 197
 198 static int wlc_patcher_getval(unsigned long key, unsigned long *val)
 199 {
 200         unsigned long *pt = &ptable[1];
 201         unsigned long tmp;
 202
 203         if (ptable_init() < 0) {
 204                 fprintf(stderr, "Could not load the ptable\n");
 205                 return -1;
 206         }
 207
 208         while (*pt != PTABLE_END) {
 209                 if (*pt == key) {
 210                         tmp = wlc_kmem_read(pt[1]);
 211
 212                         if (tmp == pt[2])
 213                                 *val = 0xffffffff;
 214                         else
 215                                 *val = tmp;
 216
 217                         return 0;
 218                 }
 219                 pt += 3;
 220         }
 221
 222         return -1;
 223 }
 224
 225 static int wlc_patcher_setval(unsigned long key, unsigned long val)
 226 {
 227         unsigned long *pt = &ptable[1];
 228
 229         if (ptable_init() < 0) {
 230                 fprintf(stderr, "Could not load the ptable\n");
 231                 return -1;
 232         }
 233
 234         if (val != 0xffffffff)
 235                 val = (pt[2] & ~(0xffff)) | (val & 0xffff);
 236
 237         while (*pt != PTABLE_END) {
 238                 if (*pt == key) {
 239                         if (val == 0xffffffff) /* default */
 240                                 val = pt[2];
 241
 242                         wlc_kmem_write(pt[1], val);
 243                 }
 244                 pt += 3;
 245         }
 246
 247         return 0;
 248 }
 249
 250 static int wlc_slottime(wlc_param param, void *data, void *value)
 251 {
 252         int *val = (int *) value;
 253         int ret = 0;
 254
 255         if ((param & PARAM_MODE) == SET) {
 256                 wlc_patcher_setval(PTABLE_SLT1, *val);
 257                 wlc_patcher_setval(PTABLE_SLT2, ((*val == -1) ? *val : *val + 510));
 258         } else if ((param & PARAM_MODE) == GET) {
 259                 ret = wlc_patcher_getval(PTABLE_SLT1, (unsigned long *) val);
 260                 if (*val != 0xffffffff)
 261                         *val &= 0xffff;
 262         }
 263
 264         return ret;
 265 }
 266
 267 static int wlc_noack(wlc_param param, void *data, void *value)
 268 {
 269         int *val = (int *) value;
 270         int ret = 0;
 271
 272         if ((param & PARAM_MODE) == SET) {
 273                 wlc_patcher_setval(PTABLE_ACKW, ((*val) ? 1 : 0));
 274         } else if ((param & PARAM_MODE) == GET) {
 275                 ret = wlc_patcher_getval(PTABLE_ACKW, (unsigned long *) val);
 276                 *val &= 0xffff;
 277                 *val = (*val ? 1 : 0);
 278         }
 279
 280         return ret;
 281 }
 282
 283 static int wlc_ibss_merge(wlc_param param, void *data, void *value)
 284 {
 285         int *val = (int *) value;
 286         int ret = 0;
 287
 288         if ((param & PARAM_MODE) == SET) {
 289                 /* overwrite the instruction with 'lui v0,0x0' - fake a return
 290                  * status of 0 for wlc_bcn_tsf_later */
 291                 wlc_patcher_setval(PTABLE_ACKW, ((*val) ? -1 : 0x3c020000));
 292         } else if ((param & PARAM_MODE) == GET) {
 293                 ret = wlc_patcher_getval(PTABLE_ACKW, (unsigned long *) val);
 294                 *val = ((*val == -1) ? 1 : 0);
 295         }
 296
 297         return ret;
 298 }
 299
 300 static int wlc_ioctl(wlc_param param, void *data, void *value)
 301 {
 302         unsigned int *var = ((unsigned int *) data);
 303         unsigned int ioc = *var;
 304
 305         if (param & NOARG) {
 306                 return wl_ioctl(interface, ioc, NULL, 0);
 307         }
 308         switch(param & PARAM_TYPE) {
 309                 case INT:
 310                         return wl_ioctl(interface, ((param & SET) ? (ioc) : (ioc >> 16)) & 0xffff, value, sizeof(int));
 311                 case STRING:
 312                         return wl_ioctl(interface, ((param & SET) ? (ioc) : (ioc >> 16)) & 0xffff, value, BUFSIZE);
 313         }
 314         return 0;
 315 }
 316
 317 static int wlc_iovar(wlc_param param, void *data, void *value)
 318 {
 319         int *val = (int *) value;
 320         char *iov = *((char **) data);
 321         int ret = 0;
 322
 323         if (param & SET) {
 324                 switch(param & PARAM_TYPE) {
 325                         case INT:
 326                                 ret = wl_iovar_setint(interface, iov, *val);
 327                 }
 328         }
 329         if (param & GET) {
 330                 switch(param & PARAM_TYPE) {
 331                         case INT:
 332                                 ret = wl_iovar_getint(interface, iov, val);
 333                 }
 334         }
 335
 336         return ret;
 337 }
 338
 339 static int wlc_bssiovar(wlc_param param, void *data, void *value)
 340 {
 341         int *val = (int *) value;
 342         char *iov = *((char **) data);
 343         int ret = 0;
 344
 345         if (param & SET) {
 346                 switch(param & PARAM_TYPE) {
 347                         case INT:
 348                                 ret = wl_bssiovar_setint(interface, iov, vif, *val);
 349                 }
 350         }
 351         if (param & GET) {
 352                 switch(param & PARAM_TYPE) {
 353                         case INT:
 354                                 ret = wl_bssiovar_getint(interface, iov, vif, val);
 355                 }
 356         }
 357
 358         return ret;
 359 }
 360
 361 static int wlc_vif_enabled(wlc_param param, void *data, void *value)
 362 {
 363         int *val = (int *) value;
 364         int buf[3];
 365         int ret = 0;
 366
 367         sprintf((char *) buf, "bss");
 368         buf[1] = vif;
 369         if (param & SET) {
 370                 buf[2] = (*val ? 1 : 0);
 371                 ret = wl_ioctl(interface, WLC_SET_VAR, buf, sizeof(buf));
 372         } else if (param & GET) {
 373                 ret = wl_ioctl(interface, WLC_GET_VAR, buf, sizeof(buf));
 374                 *val = buf[0];
 375         }
 376
 377         return ret;
 378 }
 379
 380 static int wlc_ssid(wlc_param param, void *data, void *value)
 381 {
 382         int ret = -1, ret2 = -1;
 383         char *dest = (char *) value;
 384         wlc_ssid_t ssid;
 385
 386         if ((param & PARAM_MODE) == GET) {
 387                 ret = wl_bssiovar_get(interface, "ssid", vif, &ssid, sizeof(ssid));
 388
 389                 if (ret)
 390                         /* if we can't get the ssid through the bssiovar, try WLC_GET_SSID */
 391                         ret = wl_ioctl(interface, WLC_GET_SSID, &ssid, sizeof(ssid));
 392
 393                 if (!ret) {
 394                         memcpy(dest, ssid.SSID, ssid.SSID_len);
 395                         dest[ssid.SSID_len] = 0;
 396                 }
 397         } else if ((param & PARAM_MODE) == SET) {
 398                 strncpy(ssid.SSID, value, 32);
 399                 ssid.SSID_len = strlen(value);
 400
 401                 if (ssid.SSID_len > 32)
 402                         ssid.SSID_len = 32;
 403
 404                 if (vif == 0) {
 405                         /* for the main interface, also try the WLC_SET_SSID call */
 406                         ret2 = wl_ioctl(interface, WLC_SET_SSID, &ssid, sizeof(ssid));
 407                 }
 408
 409                 ret = wl_bssiovar_set(interface, "ssid", vif, &ssid, sizeof(ssid));
 410                 ret = (!ret2 ? 0 : ret);
 411         }
 412
 413         return ret;
 414 }
 415
 416 static int wlc_int(wlc_param param, void *data, void *value)
 417 {
 418         int *var = *((int **) data);
 419         int *val = (int *) value;
 420
 421         if ((param & PARAM_MODE) == SET) {
 422                 *var = *val;
 423         } else if ((param & PARAM_MODE) == GET) {
 424                 *val = *var;
 425         }
 426
 427         return 0;
 428 }
 429
 430 static int wlc_flag(wlc_param param, void *data, void *value)
 431 {
 432         int *var = *((int **) data);
 433
 434         *var = 1;
 435
 436         return 0;
 437 }
 438
 439 static int wlc_string(wlc_param param, void *data, void *value)
 440 {
 441         char *var = *((char **) data);
 442
 443         if ((param & PARAM_MODE) == GET) {
 444                 strcpy(value, var);
 445         }
 446
 447         return 0;
 448 }
 449
 450 static int wlc_afterburner(wlc_param param, void *data, void *value)
 451 {
 452         int *val = (int *) value;
 453         int ret = 0;
 454
 455         if ((param & PARAM_MODE) == GET) {
 456                 ret = wl_iovar_getint(interface, "afterburner", val);
 457         } else {
 458                 wl_iovar_setint(interface, "wlfeatureflag", (*val ? 3 : 0));
 459                 ret = wl_iovar_setint(interface, "afterburner", (*val ? 1 : 0));
 460                 wl_iovar_setint(interface, "afterburner_override", *val);
 461         }
 462
 463         return ret;
 464 }
 465
 466 static int wlc_maclist(wlc_param param, void *data, void *value)
 467 {
 468         unsigned int *var = ((unsigned int *) data);
 469         unsigned int ioc = *var;
 470         int limit = (sizeof(wlbuf) - 4) / sizeof(struct ether_addr);
 471         struct maclist *list = (struct maclist *) wlbuf;
 472         char *str = (char *) value;
 473         char astr[30], *p;
 474         struct ether_addr *addr;
 475         int isset = 0;
 476         int ret;
 477
 478         if ((param & PARAM_MODE) == GET) {
 479                 list->count = limit;
 480                 ret = wl_ioctl(interface, (ioc >> 16) & 0xffff, wlbuf, sizeof(wlbuf));
 481
 482                 if (!ret)
 483                         while (list->count) {
 484                                 str += sprintf(str, "%s", ((((char *) value) == str) ? "" : " "));
 485                                 str += my_ether_ntoa((unsigned char *) &list->ea[list->count-- - 1], str);
 486                         }
 487
 488                 return ret;
 489         } else {
 490                 while (*str && isspace(*str))
 491                         *str++;
 492
 493                 if (*str == '+') {
 494                         str++;
 495
 496                         list->count = limit;
 497                         if (wl_ioctl(interface, (ioc >> 16) & 0xffff, wlbuf, sizeof(wlbuf)) == 0)
 498                                 isset = 1;
 499
 500                         while (*str && isspace(*str))
 501                                 str++;
 502                 }
 503
 504                 if (!isset)
 505                         memset(wlbuf, 0, sizeof(wlbuf));
 506
 507                 foreach(astr, str, p) {
 508                         if (list->count >= limit)
 509                                 break;
 510
 511                         if ((addr = ether_aton(astr)) != NULL)
 512                                 memcpy(&list->ea[list->count++], addr, sizeof(struct ether_addr));
 513                 }
 514
 515                 return wl_ioctl(interface, ioc & 0xffff, wlbuf, sizeof(wlbuf));
 516         }
 517 }
 518
 519 static int wlc_radio(wlc_param param, void *data, void *value)
 520 {
 521         int *val = (int *) value;
 522         int ret;
 523
 524         if ((param & PARAM_MODE) == GET) {
 525                 ret = wl_ioctl(interface, WLC_GET_RADIO, val, sizeof(int));
 526                 *val = ((*val & 1) ? 0 : 1);
 527         } else {
 528                 *val = (1 << 16) | (*val ? 0 : 1);
 529                 ret = wl_ioctl(interface, WLC_SET_RADIO, val, sizeof(int));
 530         }
 531
 532         return ret;
 533 }
 534
 535 static int wlc_wsec_key(wlc_param param, void *null, void *value)
 536 {
 537         wl_wsec_key_t wsec_key;
 538         unsigned char *index = value;
 539         unsigned char *key;
 540         unsigned char *data;
 541         unsigned char hex[3];
 542
 543         if ((param & PARAM_MODE) != SET)
 544                 return 0;
 545
 546         memset(&wsec_key, 0, sizeof(wsec_key));
 547         if (index[0] == '=') {
 548                 wsec_key.flags = WL_PRIMARY_KEY;
 549                 index++;
 550         }
 551
 552         if ((index[0] < '1') || (index[0] > '4') || (index[1] != ','))
 553                 return -1;
 554
 555         key = index + 2;
 556         if (strncmp(key, "d:", 2) == 0) { /* delete key */
 557         } else if (strncmp(key, "s:", 2) == 0) { /* ascii key */
 558                 key += 2;
 559                 wsec_key.len = strlen(key);
 560
 561                 if ((wsec_key.len != 5) && (wsec_key.len != 13))
 562                         return -1;
 563
 564                 strcpy(wsec_key.data, key);
 565         } else { /* hex key */
 566                 wsec_key.len = strlen(key);
 567                 if ((wsec_key.len != 10) && (wsec_key.len != 26))
 568                         return -1;
 569
 570                 wsec_key.len /= 2;
 571                 data = wsec_key.data;
 572                 hex[2] = 0;
 573                 do {
 574                         hex[0] = *(key++);
 575                         hex[1] = *(key++);
 576                         *(data++) = (unsigned char) strtoul(hex, NULL, 16);
 577                 } while (*key != 0);
 578         }
 579
 580         return wl_bssiovar_set(interface, "wsec_key", vif, &wsec_key, sizeof(wsec_key));
 581 }
 582
 583 static inline int cw2ecw(int cw)
 584 {
 585         int i;
 586         for (cw++, i = 0; cw; i++) cw >>=1;
 587         return i - 1;
 588 }
 589
 590 static int wlc_wme_ac(wlc_param param, void *data, void *value)
 591 {
 592         char *type = *((char **) data);
 593         char *settings = (char *) value;
 594         char cmd[100], *p, *val;
 595         edcf_acparam_t params[AC_COUNT];
 596         int ret;
 597         int intval;
 598         int cur = -1;
 599         char *buf = wlbuf;
 600
 601         if ((param & PARAM_MODE) != SET)
 602                 return -1;
 603
 604         memset(params, 0, sizeof(params));
 605         ret = wl_iovar_get(interface, type, params, sizeof(params));
 606         memset(buf, 0, BUFSIZE);
 607         strcpy(buf, type);
 608         buf += strlen(buf) + 1;
 609
 610         foreach(cmd, settings, p) {
 611                 val = strchr(cmd, '=');
 612                 if (val == NULL) {
 613                         if (strcmp(cmd, "be") == 0)
 614                                 cur = AC_BE;
 615                         else if (strcmp(cmd, "bk") == 0)
 616                                 cur = AC_BK;
 617                         else if (strcmp(cmd, "vi") == 0)
 618                                 cur = AC_VI;
 619                         else if (strcmp(cmd, "vo") == 0)
 620                                 cur = AC_VO;
 621                         else
 622                                 return -1;
 623
 624                         /* just in case */
 625                         params[cur].ACI = (params[cur].ACI & (0x3 << 5)) | (cur << 5);
 626                 } else {
 627                         *(val++) = 0;
 628
 629                         intval = strtoul(val, NULL, 10);
 630                         if (strcmp(cmd, "cwmin") == 0)
 631                                 params[cur].ECW = (params[cur].ECW & ~(0xf)) | cw2ecw(intval);
 632                         else if (strcmp(cmd, "ecwmin") == 0)
 633                                 params[cur].ECW = (params[cur].ECW & ~(0xf)) | (intval & 0xf);
 634                         else if (strcmp(cmd, "cwmax") == 0)
 635                                 params[cur].ECW = (params[cur].ECW & ~(0xf << 4)) | (cw2ecw(intval) << 4);
 636                         else if (strcmp(cmd, "ecwmax") == 0)
 637                                 params[cur].ECW = (params[cur].ECW & ~(0xf << 4)) | ((intval & 0xf) << 4);
 638                         else if (strcmp(cmd, "aifsn") == 0)
 639                                 params[cur].ACI = (params[cur].ACI & ~(0xf)) | (intval & 0xf);
 640                         else if (strcmp(cmd, "txop") == 0)
 641                                 params[cur].TXOP = intval >> 5;
 642                         else if (strcmp(cmd, "force") == 0)
 643                                 params[cur].ACI = (params[cur].ACI & ~(1 << 4)) | ((intval) ? (1 << 4) : 0);
 644                         else return -1;
 645
 646                         memcpy(buf, &params[cur], sizeof(edcf_acparam_t));
 647                         wl_ioctl(interface, WLC_SET_VAR, wlbuf, BUFSIZE);
 648                 }
 649         }
 650         return ret;
 651 }
 652
 653 static int wlc_ifname(wlc_param param, void *data, void *value)
 654 {
 655         char *val = (char *) value;
 656         int ret = 0;
 657
 658         if (param & SET) {
 659                 if (strlen(val) < 16)
 660                         strcpy(interface, val);
 661                 else ret = -1;
 662         }
 663         if (param & GET) {
 664                 strcpy(val, interface);
 665         }
 666
 667         return ret;
 668 }
 669
 670 static int wlc_wdsmac(wlc_param param, void *data, void *value)
 671 {
 672         unsigned char mac[6];
 673         int ret = 0;
 674
 675         ret = wl_ioctl(interface, WLC_WDS_GET_REMOTE_HWADDR, &mac, 6);
 676         if (ret == 0)
 677                 my_ether_ntoa(mac, value);
 678
 679         return ret;
 680 }
 681
 682 static const struct wlc_call wlc_calls[] = {
 683         {
 684                 .name = "version",
 685                 .param = STRING|NOARG,
 686                 .handler = wlc_string,
 687                 .data.str = VERSION,
 688                 .desc = "Version of this program"
 689         },
 690         {
 691                 .name = "debug",
 692                 .param = INT,
 693                 .handler = wlc_int,
 694                 .data.ptr = &debug,
 695                 .desc = "wlc debug level"
 696         },
 697         {
 698                 .name = "stdin",
 699                 .param = NOARG,
 700                 .handler = wlc_flag,
 701                 .data.ptr = &fromstdin,
 702                 .desc = "Accept input from stdin"
 703         },
 704         {
 705                 .name = "ifname",
 706                 .param = STRING,
 707                 .handler = wlc_ifname,
 708                 .desc = "interface to send commands to"
 709         },
 710         {
 711                 .name = "up",
 712                 .param = NOARG,
 713                 .handler = wlc_ioctl,
 714                 .data.num = WLC_UP,
 715                 .desc = "Bring the interface up"
 716         },
 717         {
 718                 .name = "down",
 719                 .param = NOARG,
 720                 .handler = wlc_ioctl,
 721                 .data.num = WLC_DOWN,
 722                 .desc = "Bring the interface down"
 723         },
 724         {
 725                 .name = "radio",
 726                 .param = INT,
 727                 .handler = wlc_radio,
 728                 .desc = "Radio enabled flag"
 729         },
 730         {
 731                 .name = "ap",
 732                 .param = INT,
 733                 .handler = wlc_ioctl,
 734                 .data.num = ((WLC_GET_AP << 16) | WLC_SET_AP),
 735                 .desc = "Access Point mode"
 736         },
 737         {
 738                 .name = "mssid",
 739                 .param = INT,
 740                 .handler = wlc_iovar,
 741                 .data.str = "mssid",
 742                 .desc = "Multi-ssid mode"
 743         },
 744         {
 745                 .name = "apsta",
 746                 .param = INT,
 747                 .handler = wlc_iovar,
 748                 .data.str = "apsta",
 749                 .desc = "AP+STA mode"
 750         },
 751         {
 752                 .name = "infra",
 753                 .param = INT,
 754                 .handler = wlc_ioctl,
 755                 .data.num = ((WLC_GET_INFRA << 16) | WLC_SET_INFRA),
 756                 .desc = "Infrastructure mode"
 757         },
 758         {
 759                 .name = "wet",
 760                 .param = INT,
 761                 .handler = wlc_ioctl,
 762                 .data.num = ((WLC_GET_WET << 16) | WLC_SET_WET),
 763                 .desc = "Wireless repeater mode",
 764         },
 765         {
 766                 .name = "statimeout",
 767                 .param = INT,
 768                 .handler = wlc_iovar,
 769                 .data.str = "sta_retry_time",
 770                 .desc = "STA connection timeout"
 771         },
 772         {
 773                 .name = "country",
 774                 .param = STRING,
 775                 .handler = wlc_ioctl,
 776                 .data.num = ((WLC_GET_COUNTRY << 16) | WLC_SET_COUNTRY),
 777                 .desc = "Country code"
 778         },
 779         {
 780                 .name = "channel",
 781                 .param = INT,
 782                 .handler = wlc_ioctl,
 783                 .data.num = ((WLC_GET_CHANNEL << 16) | WLC_SET_CHANNEL),
 784                 .desc = "Channel",
 785         },
 786         {
 787                 .name = "vlan_mode",
 788                 .param = INT,
 789                 .handler = wlc_bssiovar,
 790                 .data.str = "vlan_mode",
 791                 .desc = "Parse 802.1Q tags",
 792         },
 793         {
 794                 .name = "vif",
 795                 .param = INT,
 796                 .handler = wlc_int,
 797                 .data.ptr = &vif,
 798                 .desc = "Current vif index"
 799         },
 800         {
 801                 .name = "enabled",
 802                 .param = INT,
 803                 .handler = wlc_vif_enabled,
 804                 .desc = "vif enabled flag"
 805         },
 806         {
 807                 .name = "ssid",
 808                 .param = STRING,
 809                 .handler = wlc_ssid,
 810                 .desc = "Interface ESSID"
 811         },
 812         {
 813                 .name = "closed",
 814                 .param = INT,
 815                 .handler = wlc_bssiovar,
 816                 .data.str = "closednet",
 817                 .desc = "Hidden ESSID flag"
 818         },
 819         {
 820                 .name = "wsec",
 821                 .param = INT,
 822                 .handler = wlc_bssiovar,
 823                 .data.str = "wsec",
 824                 .desc = "Security mode flags"
 825         },
 826         {
 827                 .name = "wepkey",
 828                 .param = STRING,
 829                 .handler = wlc_wsec_key,
 830                 .desc = "Set/Remove WEP keys"
 831         },
 832         {
 833                 .name = "wsec_restrict",
 834                 .param = INT,
 835                 .handler = wlc_bssiovar,
 836                 .data.str = "wsec_restrict",
 837                 .desc = "Drop unencrypted traffic"
 838         },
 839         {
 840                 .name = "eap_restrict",
 841                 .param = INT,
 842                 .handler = wlc_bssiovar,
 843                 .data.str = "eap_restrict",
 844                 .desc = "Only allow 802.1X traffic until 802.1X authorized"
 845         },
 846         {
 847                 .name = "wpa_auth",
 848                 .param = INT,
 849                 .handler = wlc_bssiovar,
 850                 .data.str = "wpa_auth",
 851                 .desc = "WPA authentication modes"
 852         },
 853         {
 854                 .name = "ap_isolate",
 855                 .param = INT,
 856                 .handler = wlc_bssiovar,
 857                 .data.str = "ap_isolate",
 858                 .desc = "Isolate connected clients"
 859         },
 860         {
 861                 .name = "supplicant",
 862                 .param = INT,
 863                 .handler = wlc_iovar,
 864                 .data.str = "sup_wpa",
 865                 .desc = "Built-in WPA supplicant"
 866         },
 867         {
 868                 .name = "maxassoc",
 869                 .param = INT,
 870                 .handler = wlc_iovar,
 871                 .data.str = "maxassoc",
 872                 .desc = "Max. number of associated clients",
 873         },
 874         {
 875                 .name = "wme",
 876                 .param = INT,
 877                 .handler = wlc_iovar,
 878                 .data.str = "wme",
 879                 .desc = "WME enabled"
 880         },
 881         {
 882                 .name = "wme_ac_ap",
 883                 .param = STRING,
 884                 .handler = wlc_wme_ac,
 885                 .data.str = "wme_ac_ap",
 886                 .desc = "Set WME AC options for AP mode",
 887         },
 888         {
 889                 .name = "wme_ac_sta",
 890                 .param = STRING,
 891                 .handler = wlc_wme_ac,
 892                 .data.str = "wme_ac_sta",
 893                 .desc = "Set WME AC options for STA mode",
 894         },
 895         {
 896                 .name = "wme_noack",
 897                 .param = INT,
 898                 .handler = wlc_iovar,
 899                 .data.str = "wme_noack",
 900                 .desc = "WME ACK disable request",
 901         },
 902         {
 903                 .name = "fragthresh",
 904                 .param = INT,
 905                 .handler = wlc_iovar,
 906                 .data.str = "fragthresh",
 907                 .desc = "Fragmentation threshold",
 908         },
 909         {
 910                 .name = "rtsthresh",
 911                 .param = INT,
 912                 .handler = wlc_iovar,
 913                 .data.str = "rtsthresh",
 914                 .desc = "RTS threshold"
 915         },
 916         {
 917                 .name = "rxant",
 918                 .param = INT,
 919                 .handler = wlc_ioctl,
 920                 .data.num = ((WLC_GET_ANTDIV << 16) | WLC_SET_ANTDIV),
 921                 .desc = "Rx antenna selection"
 922         },
 923         {
 924                 .name = "txant",
 925                 .param = INT,
 926                 .handler = wlc_ioctl,
 927                 .data.num = ((WLC_GET_TXANT << 16) | WLC_SET_TXANT),
 928                 .desc = "Tx antenna selection"
 929         },
 930         {
 931                 .name = "dtim",
 932                 .param = INT,
 933                 .handler = wlc_ioctl,
 934                 .data.num = ((WLC_GET_DTIMPRD << 16) | WLC_SET_DTIMPRD),
 935                 .desc = "DTIM period",
 936         },
 937         {
 938                 .name = "bcn",
 939                 .param = INT,
 940                 .handler = wlc_ioctl,
 941                 .data.num = ((WLC_GET_BCNPRD << 16) | WLC_SET_BCNPRD),
 942                 .desc = "Beacon interval"
 943         },
 944         {
 945                 .name = "frameburst",
 946                 .param = INT,
 947                 .handler = wlc_ioctl,
 948                 .data.num = ((WLC_GET_FAKEFRAG << 16) | WLC_SET_FAKEFRAG),
 949                 .desc = "Framebursting"
 950         },
 951         {
 952                 .name = "monitor",
 953                 .param = INT,
 954                 .handler = wlc_ioctl,
 955                 .data.num = ((WLC_GET_MONITOR << 16) | WLC_SET_MONITOR),
 956                 .desc = "Monitor mode"
 957         },
 958         {
 959                 .name = "passive",
 960                 .param = INT,
 961                 .handler = wlc_ioctl,
 962                 .data.num = ((WLC_GET_PASSIVE << 16) | WLC_SET_PASSIVE),
 963                 .desc = "Passive mode"
 964         },
 965         {
 966                 .name = "macfilter",
 967                 .param = INT,
 968                 .handler = wlc_ioctl,
 969                 .data.num = ((WLC_GET_MACMODE << 16) | WLC_SET_MACMODE),
 970                 .desc = "MAC filter mode (0:disabled, 1:deny, 2:allow)"
 971         },
 972         {
 973                 .name = "maclist",
 974                 .param = STRING,
 975                 .data.num = ((WLC_GET_MACLIST << 16) | WLC_SET_MACLIST),
 976                 .handler = wlc_maclist,
 977                 .desc = "MAC filter list"
 978         },
 979         {
 980                 .name = "autowds",
 981                 .param = INT,
 982                 .handler = wlc_ioctl,
 983                 .data.num = ((WLC_GET_LAZYWDS << 16) | WLC_SET_LAZYWDS),
 984                 .desc = "Automatic WDS"
 985         },
 986         {
 987                 .name = "wds",
 988                 .param = STRING,
 989                 .data.num = ((WLC_GET_WDSLIST << 16) | WLC_SET_WDSLIST),
 990                 .handler = wlc_maclist,
 991                 .desc = "WDS connection list"
 992         },
 993         {
 994                 .name = "wdstimeout",
 995                 .param = INT,
 996                 .handler = wlc_iovar,
 997                 .data.str = "wdstimeout",
 998                 .desc = "WDS link detection timeout"
 999         },
1000         {
1001                 .name = "wdsmac",
1002                 .param = STRING|NOARG,
1003                 .handler = wlc_wdsmac,
1004                 .desc = "MAC of the remote WDS endpoint (only with wds0.* interfaces)"
1005         },
1006         {
1007                 .name = "afterburner",
1008                 .param = INT,
1009                 .handler = wlc_afterburner,
1010                 .desc = "Broadcom Afterburner"
1011         },
1012         {
1013                 .name = "slottime",
1014                 .param = INT,
1015                 .handler = wlc_slottime,
1016                 .desc = "Slot time (-1 = auto)"
1017         },
1018         {
1019                 .name = "txack",
1020                 .param = INT,
1021                 .handler = wlc_noack,
1022                 .desc = "Tx ACK enabled flag"
1023         },
1024         {
1025                 .name = "ibss_merge",
1026                 .param = INT,
1027                 .handler = wlc_ibss_merge,
1028                 .desc = "Allow IBSS merge in Ad-Hoc mode"
1029         }
1030 };
1031 #define wlc_calls_size (sizeof(wlc_calls) / sizeof(struct wlc_call))
1032
1033 static void usage(char *cmd)
1034 {
1035         int i;
1036         fprintf(stderr, "Usage: %s <command> [<argument> ...]\n"
1037                                         "\n"
1038                                         "Available commands:\n", cmd);
1039         for (i = 0; i < wlc_calls_size; i++) {
1040                 fprintf(stderr, "\t%-16s\t%s\n", wlc_calls[i].name ?: "", wlc_calls[i].desc ?: "");
1041         }
1042         fprintf(stderr, "\n");
1043         exit(1);
1044 }
1045
1046 static int do_command(const struct wlc_call *cmd, char *arg)
1047 {
1048         static char buf[BUFSIZE];
1049         int set;
1050         int ret = 0;
1051         char *format, *end;
1052         int intval;
1053
1054         if (debug >= 10) {
1055                 fprintf(stderr, "do_command %-16s\t'%s'\n", cmd->name, arg);
1056         }
1057
1058         if ((arg == NULL) && ((cmd->param & PARAM_TYPE) != NONE)) {
1059                 set = 0;
1060                 ret = cmd->handler(cmd->param | GET, (void *) &cmd->data, (void *) buf);
1061                 if (ret == 0) {
1062                         switch(cmd->param & PARAM_TYPE) {
1063                                 case INT:
1064                                         intval = *((int *) buf);
1065
1066                                         if (intval > 65535)
1067                                                 format = "0x%08x\n";
1068                                         else if (intval > 255)
1069                                                 format = "0x%04x\n";
1070                                         else
1071                                                 format = "%d\n";
1072
1073                                         fprintf(stdout, format, intval);
1074                                         break;
1075                                 case STRING:
1076                                         fprintf(stdout, "%s\n", buf);
1077                         }
1078                 }
1079         } else { /* SET */
1080                 set = 1;
1081                 switch(cmd->param & PARAM_TYPE) {
1082                         case INT:
1083                                 intval = strtoul(arg, &end, 10);
1084                                 if (end && !(*end)) {
1085                                         memcpy(buf, &intval, sizeof(intval));
1086                                 } else {
1087                                         fprintf(stderr, "%s: Invalid argument\n", cmd->name);
1088                                         return -1;
1089                                 }
1090                                 break;
1091                         case STRING:
1092                                 strncpy(buf, arg, BUFSIZE);
1093                                 buf[BUFSIZE - 1] = 0;
1094                 }
1095
1096                 ret = cmd->handler(cmd->param | SET, (void *) &cmd->data, (void *) buf);
1097         }
1098
1099         if ((debug > 0) && (ret != 0))
1100                 fprintf(stderr, "Command '%s %s' failed: %d\n", (set == 1 ? "set" : "get"), cmd->name, ret);
1101
1102         return ret;
1103 }
1104
1105 static struct wlc_call *find_cmd(char *name)
1106 {
1107         int found = 0, i = 0;
1108
1109         while (!found && (i < wlc_calls_size)) {
1110                 if (strcmp(name, wlc_calls[i].name) == 0)
1111                         found = 1;
1112                 else
1113                         i++;
1114         }
1115
1116         return (struct wlc_call *) (found ? &wlc_calls[i] : NULL);
1117 }
1118
1119 int main(int argc, char **argv)
1120 {
1121         static char buf[BUFSIZE];
1122         char *s, *s2;
1123         char *cmd = argv[0];
1124         struct wlc_call *call;
1125         int ret = 0;
1126
1127         if (argc < 2)
1128                 usage(argv[0]);
1129
1130         for(interface[2] = '0'; (interface[2] < '3') && (wl_probe(interface) != 0); interface[2]++);
1131         if (interface[2] == '3') {
1132                 fprintf(stderr, "No Broadcom wl interface found!\n");
1133                 return -1;
1134         }
1135
1136         argv++;
1137         argc--;
1138         while ((argc > 0) && (argv[0] != NULL)) {
1139                 if ((call = find_cmd(argv[0])) == NULL) {
1140                         fprintf(stderr, "Invalid command: %s\n\n", argv[0]);
1141                         usage(cmd);
1142                 }
1143                 if ((argc > 1) && (!(call->param & NOARG))) {
1144                         ret = do_command(call, argv[1]);
1145                         argv += 2;
1146                         argc -= 2;
1147                 } else {
1148                         ret = do_command(call, NULL);
1149                         argv++;
1150                         argc--;
1151                 }
1152         }
1153
1154         while (fromstdin && !feof(stdin)) {
1155                 *buf = 0;
1156                 fgets(buf, BUFSIZE - 1, stdin);
1157
1158                 if (*buf == 0)
1159                         continue;
1160
1161                 if ((s = strchr(buf, '\r')) != NULL)
1162                         *s = 0;
1163                 if ((s = strchr(buf, '\n')) != NULL)
1164                         *s = 0;
1165
1166                 s = buf;
1167                 while (isspace(*s))
1168                         s++;
1169
1170                 if (!*s)
1171                         continue;
1172
1173                 if ((s2 = strchr(buf, ' ')) != NULL)
1174                         *(s2++) = 0;
1175
1176                 while (s2 && isspace(*s2))
1177                         s2++;
1178
1179                 if ((call = find_cmd(buf)) == NULL) {
1180                         fprintf(stderr, "Invalid command: %s\n", buf);
1181                         ret = -1;
1182                 } else
1183                         ret = do_command(call, ((call->param & NOARG) ? NULL : s2));
1184         }
1185
1186         return ret;
1187 }