Root/package/broadcom-wl/src/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
57static char wlbuf[8192];
58static char interface[16] = "wl0";
59static unsigned long kmem_offset = 0;
60static int vif = 0, debug = 1, fromstdin = 0;
61
62typedef 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
81struct 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 */
94extern struct ether_addr *ether_aton(const char *asc);
95static 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
101static 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
120static 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_get(interface, iov, val, sizeof(int));
140                break;
141            case MAC:
142                ret = wl_iovar_get(interface, iov, value, 6);
143                break;
144        }
145    }
146
147    return ret;
148}
149
150static 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_get(interface, iov, vif, val, sizeof(int));
166        }
167    }
168
169    return ret;
170}
171
172static 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
191static 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
227static 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
241static 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
250static 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
261static 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_get(interface, "afterburner", val, sizeof(int));
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
277static 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
330static 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
346static 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
394static inline int cw2ecw(int cw)
395{
396    int i;
397    for (cw++, i = 0; cw; i++) cw >>=1;
398    return i - 1;
399}
400
401static 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
464static 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
481static 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
493static 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
516static 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 = "wepauth",
668        .param = INT,
669        .handler = wlc_ioctl,
670        .data.num = ((WLC_GET_AUTH << 16) | WLC_SET_AUTH),
671        .desc = "WEP authentication type. 0 = OpenSystem, 1 = SharedKey"
672    },
673    {
674        .name = "wsec_restrict",
675        .param = INT,
676        .handler = wlc_bssiovar,
677        .data.str = "wsec_restrict",
678        .desc = "Drop unencrypted traffic"
679    },
680    {
681        .name = "eap_restrict",
682        .param = INT,
683        .handler = wlc_bssiovar,
684        .data.str = "eap_restrict",
685        .desc = "Only allow 802.1X traffic until 802.1X authorized"
686    },
687    {
688        .name = "wpa_auth",
689        .param = INT,
690        .handler = wlc_bssiovar,
691        .data.str = "wpa_auth",
692        .desc = "WPA authentication modes"
693    },
694    {
695        .name = "ap_isolate",
696        .param = INT,
697        .handler = wlc_bssiovar,
698        .data.str = "ap_isolate",
699        .desc = "Isolate connected clients"
700    },
701    {
702        .name = "supplicant",
703        .param = INT,
704        .handler = wlc_iovar,
705        .data.str = "sup_wpa",
706        .desc = "Built-in WPA supplicant"
707    },
708    {
709        .name = "passphrase",
710        .param = STRING,
711        .handler = wlc_pmk,
712        .desc = "Passphrase for built-in WPA supplicant",
713    },
714    {
715        .name = "maxassoc",
716        .param = INT,
717        .handler = wlc_iovar,
718        .data.str = "maxassoc",
719        .desc = "Max. number of associated clients",
720    },
721    {
722        .name = "wme",
723        .param = INT,
724        .handler = wlc_iovar,
725        .data.str = "wme",
726        .desc = "WME enabled"
727    },
728    {
729        .name = "wme_ac_ap",
730        .param = STRING,
731        .handler = wlc_wme_ac,
732        .data.str = "wme_ac_ap",
733        .desc = "Set WME AC options for AP mode",
734    },
735    {
736        .name = "wme_ac_sta",
737        .param = STRING,
738        .handler = wlc_wme_ac,
739        .data.str = "wme_ac_sta",
740        .desc = "Set WME AC options for STA mode",
741    },
742    {
743        .name = "wme_noack",
744        .param = INT,
745        .handler = wlc_iovar,
746        .data.str = "wme_noack",
747        .desc = "WME ACK disable request",
748    },
749    {
750        .name = "802.11d",
751        .param = INT,
752        .handler = wlc_ioctl,
753        .data.num = ((WLC_GET_REGULATORY << 16) | WLC_SET_REGULATORY),
754        .desc = "Enable/disable 802.11d regulatory management",
755    },
756    {
757        .name = "802.11h",
758        .param = INT,
759        .handler = wlc_ioctl,
760        .data.num = ((WLC_GET_SPECT_MANAGMENT << 16) | WLC_SET_SPECT_MANAGMENT),
761        .desc = "Enable/disable 802.11h spectrum management",
762    },
763    {
764        .name = "fragthresh",
765        .param = INT,
766        .handler = wlc_iovar,
767        .data.str = "fragthresh",
768        .desc = "Fragmentation threshold",
769    },
770    {
771        .name = "rtsthresh",
772        .param = INT,
773        .handler = wlc_iovar,
774        .data.str = "rtsthresh",
775        .desc = "RTS threshold"
776    },
777    {
778        .name = "slottime",
779        .param = INT,
780        .handler = wlc_iovar,
781        .data.str = "acktiming",
782        .desc = "Slot time"
783    },
784    {
785        .name = "rxant",
786        .param = INT,
787        .handler = wlc_ioctl,
788        .data.num = ((WLC_GET_ANTDIV << 16) | WLC_SET_ANTDIV),
789        .desc = "Rx antenna selection"
790    },
791    {
792        .name = "txant",
793        .param = INT,
794        .handler = wlc_ioctl,
795        .data.num = ((WLC_GET_TXANT << 16) | WLC_SET_TXANT),
796        .desc = "Tx antenna selection"
797    },
798    {
799        .name = "dtim",
800        .param = INT,
801        .handler = wlc_ioctl,
802        .data.num = ((WLC_GET_DTIMPRD << 16) | WLC_SET_DTIMPRD),
803        .desc = "DTIM period",
804    },
805    {
806        .name = "bcn",
807        .param = INT,
808        .handler = wlc_ioctl,
809        .data.num = ((WLC_GET_BCNPRD << 16) | WLC_SET_BCNPRD),
810        .desc = "Beacon interval"
811    },
812    {
813        .name = "frameburst",
814        .param = INT,
815        .handler = wlc_ioctl,
816        .data.num = ((WLC_GET_FAKEFRAG << 16) | WLC_SET_FAKEFRAG),
817        .desc = "Framebursting"
818    },
819    {
820        .name = "monitor",
821        .param = INT,
822        .handler = wlc_ioctl,
823        .data.num = ((WLC_GET_MONITOR << 16) | WLC_SET_MONITOR),
824        .desc = "Monitor mode"
825    },
826    {
827        .name = "passive_scan",
828        .param = INT,
829        .handler = wlc_ioctl,
830        .data.num = ((WLC_GET_PASSIVE_SCAN << 16) | WLC_SET_PASSIVE_SCAN),
831        .desc = "Passive scan mode"
832    },
833    {
834        .name = "macfilter",
835        .param = INT,
836        .handler = wlc_ioctl,
837        .data.num = ((WLC_GET_MACMODE << 16) | WLC_SET_MACMODE),
838        .desc = "MAC filter mode (0:disabled, 1:deny, 2:allow)"
839    },
840    {
841        .name = "maclist",
842        .param = STRING,
843        .data.num = ((WLC_GET_MACLIST << 16) | WLC_SET_MACLIST),
844        .handler = wlc_maclist,
845        .desc = "MAC filter list"
846    },
847    {
848        .name = "autowds",
849        .param = INT,
850        .handler = wlc_ioctl,
851        .data.num = ((WLC_GET_LAZYWDS << 16) | WLC_SET_LAZYWDS),
852        .desc = "Automatic WDS"
853    },
854    {
855        .name = "wds",
856        .param = STRING,
857        .data.num = ((WLC_GET_WDSLIST << 16) | WLC_SET_WDSLIST),
858        .handler = wlc_maclist,
859        .desc = "WDS connection list"
860    },
861    {
862        .name = "wdstimeout",
863        .param = INT,
864        .handler = wlc_iovar,
865        .data.str = "wdstimeout",
866        .desc = "WDS link detection timeout"
867    },
868    {
869        .name = "wdsmac",
870        .param = STRING|NOARG,
871        .handler = wlc_wdsmac,
872        .desc = "MAC of the remote WDS endpoint (only with wds0.* interfaces)"
873    },
874    {
875        .name = "afterburner",
876        .param = INT,
877        .handler = wlc_afterburner,
878        .desc = "Broadcom Afterburner"
879    },
880    {
881        .name = "ibss_merge",
882        .param = INT,
883        .handler = wlc_iovar,
884        .data.str = "ibss_coalesce_allowed",
885        .desc = "Allow IBSS merges"
886    },
887    {
888        .name = "bssid",
889        .param = MAC,
890        .handler = wlc_ioctl,
891        .data.num = ((WLC_GET_BSSID << 16) | WLC_SET_BSSID),
892        .desc = "BSSID"
893    },
894    {
895        .name = "default_bssid",
896        .param = MAC,
897        .handler = wlc_iovar,
898        .data.str = "perm_etheraddr",
899        .desc = "Default BSSID (read-only)"
900    },
901    {
902        .name = "assoclist",
903        .param = STRING,
904        .data.num = (WLC_GET_ASSOCLIST << 16),
905        .handler = wlc_maclist,
906        .desc = "MACs of associated stations"
907    },
908    {
909        .name = "gmode",
910        .param = INT,
911        .data.num = ((WLC_GET_GMODE << 16) | WLC_SET_GMODE),
912        .handler = wlc_ioctl,
913        .desc = "G Mode"
914    },
915};
916#define wlc_calls_size (sizeof(wlc_calls) / sizeof(struct wlc_call))
917
918static void usage(char *cmd)
919{
920    int i;
921    fprintf(stderr, "Usage: %s <command> [<argument> ...]\n"
922                    "\n"
923                    "Available commands:\n", cmd);
924    for (i = 0; i < wlc_calls_size; i++) {
925        fprintf(stderr, "\t%-16s\t%s\n", wlc_calls[i].name ?: "", wlc_calls[i].desc ?: "");
926    }
927    fprintf(stderr, "\n");
928    exit(1);
929}
930
931static int do_command(const struct wlc_call *cmd, char *arg)
932{
933    static char buf[BUFSIZE];
934    int set;
935    int ret = 0;
936    char *format, *end;
937    int intval;
938    void *ptr = (void *) buf;
939
940    if (debug >= 10) {
941        fprintf(stderr, "do_command %-16s\t'%s'\n", cmd->name, arg);
942    }
943    
944    if ((arg == NULL) && ((cmd->param & PARAM_TYPE) != NONE)) {
945        set = 0;
946        ret = cmd->handler(cmd->param | GET, (void *) &cmd->data, (void *) buf);
947        if (ret == 0) {
948            switch(cmd->param & PARAM_TYPE) {
949                case INT:
950                    intval = *((int *) buf);
951                    
952                    if (intval > 65535)
953                        format = "0x%08x\n";
954                    else if (intval > 255)
955                        format = "0x%04x\n";
956                    else
957                        format = "%d\n";
958                    
959                    fprintf(stdout, format, intval);
960                    break;
961                case STRING:
962                    fprintf(stdout, "%s\n", buf);
963                    break;
964                case MAC:
965                    my_ether_ntoa(buf, buf + 6);
966                    fprintf(stdout, "%s\n", buf + 6);
967                    break;
968            }
969        }
970    } else { /* SET */
971        set = 1;
972        switch(cmd->param & PARAM_TYPE) {
973            case INT:
974                intval = strtoul(arg, &end, 10);
975                if (end && !(*end)) {
976                    memcpy(buf, &intval, sizeof(intval));
977                } else {
978                    fprintf(stderr, "%s: Invalid argument\n", cmd->name);
979                    return -1;
980                }
981                break;
982            case STRING:
983                strncpy(buf, arg, BUFSIZE);
984                buf[BUFSIZE - 1] = 0;
985                break;
986            case MAC:
987                ptr = ether_aton(arg);
988                if (!ptr) {
989                    fprintf(stderr, "%s: Invalid mac address '%s'\n", cmd->name, arg);
990                    return -1;
991                }
992                break;
993        }
994
995        ret = cmd->handler(cmd->param | SET, (void *) &cmd->data, ptr);
996    }
997    
998    if ((debug > 0) && (ret != 0))
999        fprintf(stderr, "Command '%s %s' failed: %d\n", (set == 1 ? "set" : "get"), cmd->name, ret);
1000    
1001    return ret;
1002}
1003
1004static struct wlc_call *find_cmd(char *name)
1005{
1006    int found = 0, i = 0;
1007
1008    while (!found && (i < wlc_calls_size)) {
1009        if (strcmp(name, wlc_calls[i].name) == 0)
1010            found = 1;
1011        else
1012            i++;
1013    }
1014
1015    return (struct wlc_call *) (found ? &wlc_calls[i] : NULL);
1016}
1017
1018int main(int argc, char **argv)
1019{
1020    static char buf[BUFSIZE];
1021    char *s, *s2;
1022    char *cmd = argv[0];
1023    struct wlc_call *call;
1024    int ret = 0;
1025
1026    if (argc < 2)
1027        usage(argv[0]);
1028
1029    for(interface[2] = '0'; (interface[2] < '3') && (wl_probe(interface) != 0); interface[2]++);
1030    if (interface[2] == '3') {
1031        fprintf(stderr, "No Broadcom wl interface found!\n");
1032        return -1;
1033    }
1034
1035    argv++;
1036    argc--;
1037    while ((argc > 0) && (argv[0] != NULL)) {
1038        if ((call = find_cmd(argv[0])) == NULL) {
1039            fprintf(stderr, "Invalid command: %s\n\n", argv[0]);
1040            usage(cmd);
1041        }
1042        if ((argc > 1) && (!(call->param & NOARG))) {
1043            ret = do_command(call, argv[1]);
1044            argv += 2;
1045            argc -= 2;
1046        } else {
1047            ret = do_command(call, NULL);
1048            argv++;
1049            argc--;
1050        }
1051    }
1052
1053    while (fromstdin && !feof(stdin)) {
1054        *buf = 0;
1055        fgets(buf, BUFSIZE - 1, stdin);
1056        
1057        if (*buf == 0)
1058            continue;
1059        
1060        if ((s = strchr(buf, '\r')) != NULL)
1061            *s = 0;
1062        if ((s = strchr(buf, '\n')) != NULL)
1063            *s = 0;
1064
1065        s = buf;
1066        while (isspace(*s))
1067            s++;
1068
1069        if (!*s)
1070            continue;
1071    
1072        if ((s2 = strchr(buf, ' ')) != NULL)
1073            *(s2++) = 0;
1074        
1075        while (s2 && isspace(*s2))
1076            s2++;
1077        
1078        if ((call = find_cmd(buf)) == NULL) {
1079            fprintf(stderr, "Invalid command: %s\n", buf);
1080            ret = -1;
1081        } else
1082            ret = do_command(call, ((call->param & NOARG) ? NULL : s2));
1083    }
1084
1085    return ret;
1086}
1087

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