4 * Copyright (C) 2005 Mike Baker
5 * Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include <linux/config.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/init.h>
29 #include <linux/if_arp.h>
30 #include <linux/wireless.h>
31 #include <linux/timer.h>
32 #include <linux/delay.h>
33 #include <linux/random.h>
34 #include <net/iw_handler.h>
35 #include <asm/uaccess.h>
41 char buf[WLC_IOCTL_MAXLEN];
42 static struct net_device *dev;
44 static int random = 1;
47 static struct iw_statistics wstats;
48 static int last_mode = -1;
49 static int scan_cur = 0;
51 /* The frequency of each channel in MHz */
52 const long channel_frequency[] = {
53 2412, 2417, 2422, 2427, 2432, 2437, 2442,
54 2447, 2452, 2457, 2462, 2467, 2472, 2484
56 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
59 #define SCAN_RETRY_MAX 5
60 #define RNG_POLL_FREQ 1
62 typedef struct internal_wsec_key {
64 uint8 unknown_1; // 0x01
66 uint8 unknown_2[7]; // 0x03
69 char data[32]; // 0x0e
74 void print_buffer(int len, unsigned char *buf);
77 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
79 mm_segment_t old_fs = get_fs();
86 strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
87 ifr.ifr_data = (caddr_t) &ioc;
89 ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
94 #if !defined(DEBUG) || !defined(WL_WEXT)
96 wl_iovar_getbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
102 namelen = strlen(iovar) + 1; /* length of iovar name plus null */
103 iolen = namelen + paramlen;
105 /* check for overflow */
107 return (BCME_BUFTOOSHORT);
109 memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
110 memcpy((int8*)bufptr + namelen, param, paramlen);
112 err = wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
118 wl_iovar_setbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
123 namelen = strlen(iovar) + 1; /* length of iovar name plus null */
124 iolen = namelen + paramlen;
126 /* check for overflow */
128 return (BCME_BUFTOOSHORT);
130 memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
131 memcpy((int8*)bufptr + namelen, param, paramlen);
133 return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
137 wl_iovar_set(struct net_device *dev, char *iovar, void *param, int paramlen)
139 char smbuf[WLC_IOCTL_SMLEN];
141 return wl_iovar_setbuf(dev, iovar, param, paramlen, smbuf, sizeof(smbuf));
145 wl_iovar_get(struct net_device *dev, char *iovar, void *bufptr, int buflen)
147 char smbuf[WLC_IOCTL_SMLEN];
150 /* use the return buffer if it is bigger than what we have on the stack */
151 if (buflen > sizeof(smbuf)) {
152 ret = wl_iovar_getbuf(dev, iovar, NULL, 0, bufptr, buflen);
154 ret = wl_iovar_getbuf(dev, iovar, NULL, 0, smbuf, sizeof(smbuf));
156 memcpy(bufptr, smbuf, buflen);
164 * format a bsscfg indexed iovar buffer
167 wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param, int paramlen, void *bufptr, int buflen,
170 char *prefix = "bsscfg:";
176 prefixlen = strlen(prefix); /* length of bsscfg prefix */
177 namelen = strlen(iovar) + 1; /* length of iovar name + null */
178 iolen = prefixlen + namelen + sizeof(int) + paramlen;
180 /* check for overflow */
181 if (buflen < 0 || iolen > (uint)buflen) {
183 return BCME_BUFTOOSHORT;
188 /* copy prefix, no null */
189 memcpy(p, prefix, prefixlen);
192 /* copy iovar name including null */
193 memcpy(p, iovar, namelen);
196 /* bss config index as first param */
197 memcpy(p, &bssidx, sizeof(int32));
200 /* parameter buffer follows */
202 memcpy(p, param, paramlen);
209 * set named & bss indexed driver variable to buffer value
212 wl_bssiovar_setbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
218 err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
222 return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
226 * get named & bss indexed driver variable buffer value
229 wl_bssiovar_getbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
235 err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
239 return wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
243 * set named & bss indexed driver variable to buffer value
246 wl_bssiovar_set(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen)
248 char smbuf[WLC_IOCTL_SMLEN];
250 return wl_bssiovar_setbuf(dev, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
254 * get named & bss indexed driver variable buffer value
257 wl_bssiovar_get(struct net_device *dev, char *iovar, int bssidx, void *outbuf, int len)
259 char smbuf[WLC_IOCTL_SMLEN];
262 /* use the return buffer if it is bigger than what we have on the stack */
263 if (len > (int)sizeof(smbuf)) {
264 err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, outbuf, len);
266 memset(smbuf, 0, sizeof(smbuf));
267 err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
269 memcpy(outbuf, smbuf, len);
279 int get_primary_key(struct net_device *dev)
283 for (key = val = 0; (key < 4) && (val == 0); key++) {
285 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
292 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
296 struct iw_range *range;
298 range = (struct iw_range *) extra;
299 memset(extra, 0, sizeof(struct iw_range));
301 range->we_version_compiled = WIRELESS_EXT;
302 range->we_version_source = WIRELESS_EXT;
304 range->min_nwid = range->max_nwid = 0;
306 range->num_channels = NUM_CHANNELS;
308 for (i = 0; i < NUM_CHANNELS; i++) {
309 range->freq[k].i = i + 1;
310 range->freq[k].m = channel_frequency[i] * 100000;
311 range->freq[k].e = 1;
313 if (k >= IW_MAX_FREQUENCIES)
316 range->num_frequency = k;
317 range->sensitivity = 3;
319 /* nbd: don't know what this means, but other drivers set it this way */
320 range->pmp_flags = IW_POWER_PERIOD;
321 range->pmt_flags = IW_POWER_TIMEOUT;
322 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
325 range->max_pmp = 65535000;
327 range->max_pmt = 65535 * 1000;
329 range->max_qual.qual = 0;
330 range->max_qual.level = 0;
331 range->max_qual.noise = 0;
334 if (wl_iovar_get(dev, "rtsthresh", &range->max_rts, sizeof(int)) < 0)
335 range->max_rts = 2347;
337 range->min_frag = 256;
339 if (wl_iovar_get(dev, "fragthresh", &range->max_frag, sizeof(int)) < 0)
340 range->max_frag = 2346;
342 range->txpower_capa = IW_TXPOW_DBM;
348 static int wlcompat_set_scan(struct net_device *dev,
349 struct iw_request_info *info,
350 union iwreq_data *wrqu,
354 wl_scan_params_t params;
356 memset(¶ms, 0, sizeof(params));
358 /* use defaults (same parameters as wl scan) */
359 memset(¶ms.bssid, 0xff, sizeof(params.bssid));
360 params.bss_type = DOT11_BSSTYPE_ANY;
361 params.scan_type = -1;
363 params.active_time = -1;
364 params.passive_time = -1;
365 params.home_time = -1;
367 /* can only scan in STA mode */
368 wl_ioctl(dev, WLC_GET_AP, &last_mode, sizeof(last_mode));
370 /* switch to ap mode, scan result query will switch back */
371 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
373 /* wait 250 msec after mode change */
374 set_current_state(TASK_INTERRUPTIBLE);
375 schedule_timeout(msecs_to_jiffies(250));
378 scan_cur = SCAN_RETRY_MAX;
379 while (scan_cur-- && (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)) {
380 /* sometimes the driver takes a few tries... */
381 set_current_state(TASK_INTERRUPTIBLE);
382 schedule_timeout(msecs_to_jiffies(250));
390 /* wait at least 2 seconds for results */
391 set_current_state(TASK_INTERRUPTIBLE);
392 schedule_timeout(msecs_to_jiffies(2000));
398 struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
400 struct wl_bss_info *bss_info = (struct wl_bss_info *) buf;
402 unsigned int rssi, noise, ap;
404 memset(&wstats, 0, sizeof(wstats));
405 memset(&pkt, 0, sizeof(pkt));
406 memset(buf, 0, sizeof(buf));
407 bss_info->version = 0x2000;
408 wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
409 wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
412 if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
413 if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
416 // somehow the structure doesn't fit here
420 rssi = (rssi == 0 ? 1 : rssi);
421 wstats.qual.updated = 0x10;
423 wstats.qual.updated |= 0x20;
425 wstats.qual.updated |= 0x40;
427 if ((wstats.qual.updated & 0x60) == 0x60)
430 wstats.qual.level = rssi;
431 wstats.qual.noise = noise;
432 wstats.discard.misc = pkt.rx_bad_pkt;
433 wstats.discard.retries = pkt.tx_bad_pkt;
438 static int wlcompat_get_scan(struct net_device *dev,
439 struct iw_request_info *info,
440 union iwreq_data *wrqu,
443 wl_scan_results_t *results = (wl_scan_results_t *) buf;
444 wl_bss_info_t *bss_info;
446 char *current_ev = extra;
448 char *end_buf = extra + IW_SCAN_MAX_DATA;
453 memset(buf, 0, WLC_IOCTL_MAXLEN);
454 results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
456 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
459 if ((results->count <= 0) && (scan_cur++ < SCAN_RETRY_MAX))
462 bss_info = &(results->bss_info[0]);
463 info_ptr = (char *) bss_info;
464 for (i = 0; i < results->count; i++) {
465 /* send the cell address (must be sent first) */
467 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
468 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
469 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
472 iwe.cmd = SIOCGIWESSID;
473 iwe.u.data.length = bss_info->SSID_len;
474 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
475 iwe.u.data.length = IW_ESSID_MAX_SIZE;
476 iwe.u.data.flags = 1;
477 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
480 if (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) {
481 iwe.cmd = SIOCGIWMODE;
482 if (bss_info->capability & DOT11_CAP_ESS)
483 iwe.u.mode = IW_MODE_MASTER;
484 else if (bss_info->capability & DOT11_CAP_IBSS)
485 iwe.u.mode = IW_MODE_ADHOC;
486 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
489 /* send frequency/channel info */
490 iwe.cmd = SIOCGIWFREQ;
492 iwe.u.freq.m = bss_info->chanspec & WL_CHANSPEC_CHAN_MASK;
493 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
495 /* add quality statistics */
498 iwe.u.qual.level = bss_info->RSSI;
499 iwe.u.qual.noise = bss_info->phy_noise;
500 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
502 /* send encryption capability */
503 iwe.cmd = SIOCGIWENCODE;
504 iwe.u.data.pointer = NULL;
505 iwe.u.data.length = 0;
506 if (bss_info->capability & DOT11_CAP_PRIVACY)
507 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
509 iwe.u.data.flags = IW_ENCODE_DISABLED;
510 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
512 /* send rate information */
513 iwe.cmd = SIOCGIWRATE;
514 current_val = current_ev + IW_EV_LCP_LEN;
515 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
517 for(j = 0 ; j < bss_info->rateset.count ; j++) {
518 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
519 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
521 if((current_val - current_ev) > IW_EV_LCP_LEN)
522 current_ev = current_val;
524 info_ptr += sizeof(wl_bss_info_t);
525 if (bss_info->ie_length % 4)
526 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
528 info_ptr += bss_info->ie_length;
529 bss_info = (wl_bss_info_t *) info_ptr;
532 wrqu->data.length = (current_ev - extra);
533 wrqu->data.flags = 0;
536 /* switch back to ap mode */
537 wl_ioctl(dev, WLC_SET_AP, &last_mode, sizeof(last_mode));
542 static int wlcompat_ioctl(struct net_device *dev,
543 struct iw_request_info *info,
544 union iwreq_data *wrqu,
549 strcpy(wrqu->name, "IEEE 802.11-DS");
555 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
558 wrqu->freq.m = ci.target_channel;
564 if (wrqu->freq.m == -1) {
566 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
569 if (wrqu->freq.e == 1) {
571 int f = wrqu->freq.m / 100000;
572 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
575 if (channel == NUM_CHANNELS) // channel not found
579 wrqu->freq.m = channel + 1;
581 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
582 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
596 memset(®, 0, sizeof(reg));
598 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
601 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
604 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
608 wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
610 if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
617 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
618 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
626 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
629 wrqu->essid.flags = wrqu->data.flags = 1;
630 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
631 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
637 memset(&ssid, 0, sizeof(ssid));
638 ssid.SSID_len = strlen(extra);
639 if (ssid.SSID_len > 32)
641 memcpy(ssid.SSID, extra, ssid.SSID_len);
642 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
648 if (wl_iovar_get(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
654 if (wl_iovar_set(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
660 if (wl_iovar_get(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
666 if (wl_iovar_set(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
674 wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
676 if (wl_iovar_get(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
679 override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
680 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
681 if (!override && (wrqu->txpower.value > 76))
682 wrqu->txpower.value = 76;
683 wrqu->txpower.value /= 4;
685 wrqu->txpower.fixed = 0;
686 wrqu->txpower.disabled = radio;
687 wrqu->txpower.flags = IW_TXPOW_DBM;
692 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
693 int radio = wrqu->txpower.disabled;
695 wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
697 if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
700 if (wl_iovar_get(dev, "qtxpower", &value, sizeof(int)) < 0)
703 value &= WL_TXPWR_OVERRIDE;
704 wrqu->txpower.value *= 4;
705 wrqu->txpower.value |= value;
707 if (wrqu->txpower.flags != IW_TXPOW_DBM)
710 if (wrqu->txpower.value > 0)
711 if (wl_iovar_set(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
718 int val = 0, wep = 1, wrestrict = 1;
719 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
722 index = get_primary_key(dev);
724 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
726 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
731 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
734 if (wrqu->data.flags & IW_ENCODE_OPEN)
737 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
739 memset(&key, 0, sizeof(key));
741 key.flags = WL_PRIMARY_KEY;
742 key.len = wrqu->data.length;
744 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
746 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
751 wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
754 wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
761 int key = get_primary_key(dev);
765 if (wl_ioctl(dev, WLC_GET_WSEC, &val, sizeof(val)) < 0)
767 if (!(val & WEP_ENABLED)) {
768 wrqu->data.flags = IW_ENCODE_DISABLED;
772 key = get_primary_key(dev);
773 wrqu->data.flags = IW_ENCODE_ENABLED;
775 /* the driver apparently doesn't allow us to read the wep key */
776 wrqu->data.flags |= IW_ENCODE_NOKEY;
782 return wlcompat_ioctl_getiwrange(dev, extra);
787 int ap = -1, infra = -1, passive = 0, wet = 0;
789 wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet));
790 switch (wrqu->mode) {
791 case IW_MODE_MONITOR:
816 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
817 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
818 if ((ap == 0) && (infra == 1))
819 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
821 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
823 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
829 int ap, infra, wet, passive;
831 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
833 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
835 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
839 wrqu->mode = IW_MODE_MONITOR;
841 wrqu->mode = IW_MODE_ADHOC;
844 wrqu->mode = IW_MODE_MASTER;
846 wrqu->mode = IW_MODE_INFRA;
859 static const iw_handler wlcompat_handler[] = {
860 NULL, /* SIOCSIWCOMMIT */
861 wlcompat_ioctl, /* SIOCGIWNAME */
862 NULL, /* SIOCSIWNWID */
863 NULL, /* SIOCGIWNWID */
864 wlcompat_ioctl, /* SIOCSIWFREQ */
865 wlcompat_ioctl, /* SIOCGIWFREQ */
866 wlcompat_ioctl, /* SIOCSIWMODE */
867 wlcompat_ioctl, /* SIOCGIWMODE */
868 NULL, /* SIOCSIWSENS */
869 NULL, /* SIOCGIWSENS */
870 NULL, /* SIOCSIWRANGE, unused */
871 wlcompat_ioctl, /* SIOCGIWRANGE */
872 NULL, /* SIOCSIWPRIV */
873 NULL, /* SIOCGIWPRIV */
874 NULL, /* SIOCSIWSTATS */
875 NULL, /* SIOCGIWSTATS */
876 iw_handler_set_spy, /* SIOCSIWSPY */
877 iw_handler_get_spy, /* SIOCGIWSPY */
878 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
879 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
880 wlcompat_ioctl, /* SIOCSIWAP */
881 wlcompat_ioctl, /* SIOCGIWAP */
882 NULL, /* -- hole -- */
883 NULL, /* SIOCGIWAPLIST */
884 wlcompat_set_scan, /* SIOCSIWSCAN */
885 wlcompat_get_scan, /* SIOCGIWSCAN */
886 wlcompat_ioctl, /* SIOCSIWESSID */
887 wlcompat_ioctl, /* SIOCGIWESSID */
888 NULL, /* SIOCSIWNICKN */
889 NULL, /* SIOCGIWNICKN */
890 NULL, /* -- hole -- */
891 NULL, /* -- hole -- */
892 NULL, /* SIOCSIWRATE */
893 NULL, /* SIOCGIWRATE */
894 wlcompat_ioctl, /* SIOCSIWRTS */
895 wlcompat_ioctl, /* SIOCGIWRTS */
896 wlcompat_ioctl, /* SIOCSIWFRAG */
897 wlcompat_ioctl, /* SIOCGIWFRAG */
898 wlcompat_ioctl, /* SIOCSIWTXPOW */
899 wlcompat_ioctl, /* SIOCGIWTXPOW */
900 NULL, /* SIOCSIWRETRY */
901 NULL, /* SIOCGIWRETRY */
902 wlcompat_ioctl, /* SIOCSIWENCODE */
903 wlcompat_ioctl, /* SIOCGIWENCODE */
907 static const struct iw_handler_def wlcompat_handler_def =
909 .standard = (iw_handler *) wlcompat_handler,
910 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
916 void print_buffer(int len, unsigned char *buf) {
919 for (x=0;x<len && x<180 ;x++) {
922 printk("%02X",buf[x]);
931 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
932 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
936 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
937 if (cmd==SIOCDEVPRIVATE) {
938 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
939 unsigned char *buf = ioc->buf;
940 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
942 print_buffer(ioc->len, buf);
943 ret = old_ioctl(dev,ifr,cmd);
945 print_buffer(ioc->len, buf);
946 printk(" ret: %d\n", ret);
950 ret = old_ioctl(dev,ifr,cmd);
956 static struct timer_list rng_timer;
957 static spinlock_t rng_lock = SPIN_LOCK_UNLOCKED;
959 static void rng_timer_tick(unsigned long n)
961 struct net_device *dev = (struct net_device *) n;
967 spin_lock_irqsave(&rng_lock, flags);
968 for (i = 0; i < 3; i++) {
969 ret |= wl_iovar_get(dev, "rand", &data[i], sizeof(u16));
971 spin_unlock_irqrestore(&rng_lock, flags);
974 batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
976 mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
980 static int __init wlcompat_init()
983 char devname[4] = "wl0";
985 while (!found && (dev = dev_get_by_name(devname))) {
986 if ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && (i == WLC_IOCTL_MAGIC))
993 printk("No Broadcom devices found.\n");
997 old_ioctl = dev->do_ioctl;
998 dev->do_ioctl = new_ioctl;
1000 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
1001 dev->get_wireless_stats = wlcompat_get_wireless_stats;
1006 init_timer(&rng_timer);
1007 rng_timer.function = rng_timer_tick;
1008 rng_timer.data = (unsigned long) dev;
1009 rng_timer_tick((unsigned long) dev);
1014 printk("broadcom driver private data: 0x%08x\n", dev->priv);
1019 static void __exit wlcompat_exit()
1023 del_timer(&rng_timer);
1026 dev->get_wireless_stats = NULL;
1027 dev->wireless_handlers = NULL;
1029 dev->do_ioctl = old_ioctl;
1034 MODULE_AUTHOR("openwrt.org");
1035 MODULE_LICENSE("GPL");
1038 module_param(random, int, 0);
1040 module_init(wlcompat_init);
1041 module_exit(wlcompat_exit);