4 * Copyright (C) 2005 Mike Baker,
5 * Felix Fietkau <openwrt@nbd.name>
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 <asm/uaccess.h>
31 #include <linux/wireless.h>
32 #include <linux/timer.h>
34 #include <net/iw_handler.h>
36 #include <proto/802.11.h>
38 static struct net_device *dev;
39 static unsigned short bss_force;
40 static struct iw_statistics wstats;
41 static int random = 1;
42 char buf[WLC_IOCTL_MAXLEN];
44 /* The frequency of each channel in MHz */
45 const long channel_frequency[] = {
46 2412, 2417, 2422, 2427, 2432, 2437, 2442,
47 2447, 2452, 2457, 2462, 2467, 2472, 2484
49 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
51 #define RNG_POLL_FREQ 20
53 typedef struct internal_wsec_key {
55 uint8 unknown_1; // 0x01
57 uint8 unknown_2[7]; // 0x03
60 char data[32]; // 0x0e
64 static int wlcompat_private_ioctl(struct net_device *dev,
65 struct iw_request_info *info,
66 union iwreq_data *wrqu,
69 void print_buffer(int len, unsigned char *buf);
72 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
74 mm_segment_t old_fs = get_fs();
81 strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
82 ifr.ifr_data = (caddr_t) &ioc;
84 ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
89 static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
95 /* check for overflow */
96 if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
102 /* append int value onto the end of the name string */
103 memcpy(&(buf[buf_len]), val, len);
106 ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
110 static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
116 /* check for overflow */
117 if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf))
121 if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len))
124 memcpy(val, buf, len);
128 int get_primary_key(struct net_device *dev)
132 for (key = val = 0; (key < 4) && (val == 0); key++) {
134 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
141 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
145 struct iw_range *range;
147 range = (struct iw_range *) extra;
148 bzero(extra, sizeof(struct iw_range));
150 range->we_version_compiled = WIRELESS_EXT;
151 range->we_version_source = WIRELESS_EXT;
153 range->min_nwid = range->max_nwid = 0;
155 range->num_channels = NUM_CHANNELS;
157 for (i = 0; i < NUM_CHANNELS; i++) {
158 range->freq[k].i = i + 1;
159 range->freq[k].m = channel_frequency[i] * 100000;
160 range->freq[k].e = 1;
162 if (k >= IW_MAX_FREQUENCIES)
165 range->num_frequency = k;
166 range->sensitivity = 3;
168 /* nbd: don't know what this means, but other drivers set it this way */
169 range->pmp_flags = IW_POWER_PERIOD;
170 range->pmt_flags = IW_POWER_TIMEOUT;
171 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
174 range->max_pmp = 65535000;
176 range->max_pmt = 65535 * 1000;
178 range->max_qual.qual = 0;
179 range->max_qual.level = 0;
180 range->max_qual.noise = 0;
183 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
184 range->max_rts = 2347;
186 range->min_frag = 256;
188 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
189 range->max_frag = 2346;
191 range->txpower_capa = IW_TXPOW_DBM;
197 static int wlcompat_set_scan(struct net_device *dev,
198 struct iw_request_info *info,
199 union iwreq_data *wrqu,
202 int ap = 0, oldap = 0;
203 wl_scan_params_t params;
205 memset(¶ms, 0, sizeof(params));
207 /* use defaults (same parameters as wl scan) */
208 memset(¶ms.bssid, 0xff, sizeof(params.bssid));
209 params.bss_type = DOT11_BSSTYPE_ANY;
210 params.scan_type = -1;
212 params.active_time = -1;
213 params.passive_time = -1;
214 params.home_time = -1;
216 /* can only scan in STA mode */
217 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
219 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
221 if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)
225 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
231 struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
233 wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
235 unsigned int rssi, noise, ap;
237 memset(&wstats, 0, sizeof(wstats));
238 memset(&pkt, 0, sizeof(pkt));
239 memset(buf, 0, sizeof(buf));
240 bss_info->version = 0x2000;
241 wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
242 wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
245 if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
246 if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
249 // somehow the structure doesn't fit here
253 rssi = (rssi == 0 ? 1 : rssi);
254 wstats.qual.updated = 0x10;
256 wstats.qual.updated |= 0x20;
258 wstats.qual.updated |= 0x40;
260 if ((wstats.qual.updated & 0x60) == 0x60)
263 wstats.qual.level = rssi;
264 wstats.qual.noise = noise;
265 wstats.discard.misc = pkt.rx_bad_pkt;
266 wstats.discard.retries = pkt.tx_bad_pkt;
271 static int wlcompat_get_scan(struct net_device *dev,
272 struct iw_request_info *info,
273 union iwreq_data *wrqu,
276 wl_scan_results_t *results = (wl_scan_results_t *) buf;
277 wl_bss_info_t *bss_info;
279 char *current_ev = extra;
281 char *end_buf = extra + IW_SCAN_MAX_DATA;
286 results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
288 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
291 bss_info = &(results->bss_info[0]);
292 info_ptr = (char *) bss_info;
293 for (i = 0; i < results->count; i++) {
295 /* send the cell address (must be sent first) */
297 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
298 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
299 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
302 iwe.cmd = SIOCGIWESSID;
303 iwe.u.data.length = bss_info->SSID_len;
304 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
305 iwe.u.data.length = IW_ESSID_MAX_SIZE;
306 iwe.u.data.flags = 1;
307 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
310 if (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) {
311 iwe.cmd = SIOCGIWMODE;
312 if (bss_info->capability & DOT11_CAP_ESS)
313 iwe.u.mode = IW_MODE_MASTER;
314 else if (bss_info->capability & DOT11_CAP_IBSS)
315 iwe.u.mode = IW_MODE_ADHOC;
316 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
319 /* send frequency/channel info */
320 iwe.cmd = SIOCGIWFREQ;
322 iwe.u.freq.m = bss_info->channel;
323 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
325 /* add quality statistics */
328 iwe.u.qual.level = bss_info->RSSI;
329 iwe.u.qual.noise = bss_info->phy_noise;
330 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
332 /* send encryption capability */
333 iwe.cmd = SIOCGIWENCODE;
334 iwe.u.data.pointer = NULL;
335 iwe.u.data.length = 0;
336 if (bss_info->capability & DOT11_CAP_PRIVACY)
337 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
339 iwe.u.data.flags = IW_ENCODE_DISABLED;
340 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
342 /* send rate information */
343 iwe.cmd = SIOCGIWRATE;
344 current_val = current_ev + IW_EV_LCP_LEN;
345 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
347 for(j = 0 ; j < bss_info->rateset.count ; j++) {
348 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
349 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
351 if((current_val - current_ev) > IW_EV_LCP_LEN)
352 current_ev = current_val;
354 info_ptr += sizeof(wl_bss_info_t);
355 if (bss_info->ie_length % 4)
356 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
358 info_ptr += bss_info->ie_length;
359 bss_info = (wl_bss_info_t *) info_ptr;
362 wrqu->data.length = (current_ev - extra);
363 wrqu->data.flags = 0;
368 static int wlcompat_ioctl(struct net_device *dev,
369 struct iw_request_info *info,
370 union iwreq_data *wrqu,
375 strcpy(wrqu->name, "IEEE 802.11-DS");
381 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
384 wrqu->freq.m = ci.target_channel;
390 if (wrqu->freq.m == -1) {
392 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
395 if (wrqu->freq.e == 1) {
397 int f = wrqu->freq.m / 100000;
398 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
401 if (channel == NUM_CHANNELS) // channel not found
405 wrqu->freq.m = channel + 1;
407 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
408 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
422 memset(®, 0, sizeof(reg));
424 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
427 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
430 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
434 wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
438 reg.val = bss_force << 16 | bss_force;
439 wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
442 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
443 reg.val = bss_force << 16;
444 wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
447 if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
456 memset(®, 0, sizeof(reg));
460 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
461 printk("bss time = 0x%08x", reg.val);
464 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
465 printk("%08x\n", reg.val);
468 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
469 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
477 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
480 wrqu->essid.flags = wrqu->data.flags = 1;
481 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
482 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
488 memset(&ssid, 0, sizeof(ssid));
489 ssid.SSID_len = strlen(extra);
490 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
491 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
492 memcpy(ssid.SSID, extra, ssid.SSID_len);
493 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
499 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
505 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
511 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
517 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
525 wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
527 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
530 override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
531 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
532 if (!override && (wrqu->txpower.value > 76))
533 wrqu->txpower.value = 76;
534 wrqu->txpower.value /= 4;
536 wrqu->txpower.fixed = 0;
537 wrqu->txpower.disabled = radio;
538 wrqu->txpower.flags = IW_TXPOW_DBM;
543 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
544 int radio = wrqu->txpower.disabled;
546 wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
548 if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
551 if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
554 value &= WL_TXPWR_OVERRIDE;
555 wrqu->txpower.value *= 4;
556 wrqu->txpower.value |= value;
558 if (wrqu->txpower.flags != IW_TXPOW_DBM)
561 if (wrqu->txpower.value > 0)
562 if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
569 int val = 0, wep = 1, wrestrict = 1;
570 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
573 index = get_primary_key(dev);
575 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
577 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
582 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
585 if (wrqu->data.flags & IW_ENCODE_OPEN)
588 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
590 memset(&key, 0, sizeof(key));
592 key.flags = WL_PRIMARY_KEY;
593 key.len = wrqu->data.length;
595 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
597 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
602 wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
605 wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
613 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
618 int key = get_primary_key(dev);
620 wrqu->data.flags = IW_ENCODE_ENABLED;
625 info_addr = (int *) dev->priv;
626 wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
628 wrqu->data.flags |= key + 1;
629 wrqu->data.length = wep_key->len;
631 memset(extra, 0, 16);
632 memcpy(extra, wep_key->data, 16);
634 wrqu->data.flags |= IW_ENCODE_NOKEY;
637 wrqu->data.flags = IW_ENCODE_DISABLED;
644 return wlcompat_ioctl_getiwrange(dev, extra);
649 int ap = -1, infra = -1, passive = 0, wet = 0;
651 switch (wrqu->mode) {
652 case IW_MODE_MONITOR:
677 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
678 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
679 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
681 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
683 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
690 int ap, infra, wet, passive;
692 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
694 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
696 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
698 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
702 wrqu->mode = IW_MODE_MONITOR;
704 wrqu->mode = IW_MODE_ADHOC;
707 wrqu->mode = IW_MODE_MASTER;
710 wrqu->mode = IW_MODE_REPEAT;
712 wrqu->mode = IW_MODE_INFRA;
720 if (info->cmd >= SIOCIWFIRSTPRIV)
721 return wlcompat_private_ioctl(dev, info, wrqu, extra);
730 static const iw_handler wlcompat_handler[] = {
731 NULL, /* SIOCSIWCOMMIT */
732 wlcompat_ioctl, /* SIOCGIWNAME */
733 NULL, /* SIOCSIWNWID */
734 NULL, /* SIOCGIWNWID */
735 wlcompat_ioctl, /* SIOCSIWFREQ */
736 wlcompat_ioctl, /* SIOCGIWFREQ */
737 wlcompat_ioctl, /* SIOCSIWMODE */
738 wlcompat_ioctl, /* SIOCGIWMODE */
739 NULL, /* SIOCSIWSENS */
740 NULL, /* SIOCGIWSENS */
741 NULL, /* SIOCSIWRANGE, unused */
742 wlcompat_ioctl, /* SIOCGIWRANGE */
743 NULL, /* SIOCSIWPRIV */
744 NULL, /* SIOCGIWPRIV */
745 NULL, /* SIOCSIWSTATS */
746 NULL, /* SIOCGIWSTATS */
747 iw_handler_set_spy, /* SIOCSIWSPY */
748 iw_handler_get_spy, /* SIOCGIWSPY */
749 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
750 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
751 wlcompat_ioctl, /* SIOCSIWAP */
752 wlcompat_ioctl, /* SIOCGIWAP */
753 NULL, /* -- hole -- */
754 NULL, /* SIOCGIWAPLIST */
755 wlcompat_set_scan, /* SIOCSIWSCAN */
756 wlcompat_get_scan, /* SIOCGIWSCAN */
757 wlcompat_ioctl, /* SIOCSIWESSID */
758 wlcompat_ioctl, /* SIOCGIWESSID */
759 NULL, /* SIOCSIWNICKN */
760 NULL, /* SIOCGIWNICKN */
761 NULL, /* -- hole -- */
762 NULL, /* -- hole -- */
763 NULL, /* SIOCSIWRATE */
764 NULL, /* SIOCGIWRATE */
765 wlcompat_ioctl, /* SIOCSIWRTS */
766 wlcompat_ioctl, /* SIOCGIWRTS */
767 wlcompat_ioctl, /* SIOCSIWFRAG */
768 wlcompat_ioctl, /* SIOCGIWFRAG */
769 wlcompat_ioctl, /* SIOCSIWTXPOW */
770 wlcompat_ioctl, /* SIOCGIWTXPOW */
771 NULL, /* SIOCSIWRETRY */
772 NULL, /* SIOCGIWRETRY */
773 wlcompat_ioctl, /* SIOCSIWENCODE */
774 wlcompat_ioctl, /* SIOCGIWENCODE */
778 #define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
779 #define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
780 #define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
781 #define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
782 #define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4
783 #define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5
784 #define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6
785 #define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7
786 #define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8
787 #define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9
790 static int wlcompat_private_ioctl(struct net_device *dev,
791 struct iw_request_info *info,
792 union iwreq_data *wrqu,
795 int *value = (int *) wrqu->name;
798 case WLCOMPAT_SET_MONITOR:
800 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
805 case WLCOMPAT_GET_MONITOR:
807 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
812 case WLCOMPAT_SET_TXPWR_LIMIT:
817 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
821 val |= WL_TXPWR_OVERRIDE;
823 val &= ~WL_TXPWR_OVERRIDE;
825 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
830 case WLCOMPAT_GET_TXPWR_LIMIT:
832 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
835 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
839 case WLCOMPAT_SET_ANTDIV:
841 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
846 case WLCOMPAT_GET_ANTDIV:
848 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
853 case WLCOMPAT_SET_TXANT:
855 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
860 case WLCOMPAT_GET_TXANT:
862 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
867 case WLCOMPAT_SET_BSS_FORCE:
869 bss_force = (unsigned short) *value;
872 case WLCOMPAT_GET_BSS_FORCE:
874 *extra = (int) bss_force;
886 static const struct iw_priv_args wlcompat_private_args[] =
888 { WLCOMPAT_SET_MONITOR,
889 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
893 { WLCOMPAT_GET_MONITOR,
895 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
898 { WLCOMPAT_SET_TXPWR_LIMIT,
899 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
903 { WLCOMPAT_GET_TXPWR_LIMIT,
905 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
908 { WLCOMPAT_SET_ANTDIV,
909 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
913 { WLCOMPAT_GET_ANTDIV,
915 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
918 { WLCOMPAT_SET_TXANT,
919 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
923 { WLCOMPAT_GET_TXANT,
925 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
928 { WLCOMPAT_SET_BSS_FORCE,
929 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
933 { WLCOMPAT_GET_BSS_FORCE,
935 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
940 static const iw_handler wlcompat_private[] =
942 wlcompat_private_ioctl,
947 static const struct iw_handler_def wlcompat_handler_def =
949 .standard = (iw_handler *) wlcompat_handler,
950 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
951 .private = wlcompat_private,
953 .private_args = wlcompat_private_args,
954 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
959 void print_buffer(int len, unsigned char *buf) {
962 for (x=0;x<len && x<180 ;x++) {
965 printk("%02X",buf[x]);
974 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
975 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
977 struct iwreq *iwr = (struct iwreq *) ifr;
978 struct iw_request_info info;
981 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
984 if (cmd >= SIOCIWFIRSTPRIV) {
987 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
989 } else if (cmd==SIOCDEVPRIVATE) {
990 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
991 unsigned char *buf = ioc->buf;
992 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
994 print_buffer(ioc->len, buf);
995 ret = old_ioctl(dev,ifr,cmd);
997 print_buffer(ioc->len, buf);
998 printk(" ret: %d\n", ret);
1001 ret = old_ioctl(dev,ifr,cmd);
1007 static struct timer_list rng_timer;
1009 static void rng_timer_tick(unsigned long n)
1011 struct net_device *dev = (struct net_device *) n;
1016 for (i = 0; i < 3; i++) {
1017 ret |= wl_get_val(dev, "rand", &data[i], sizeof(u16));
1020 batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
1022 mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
1026 static int __init wlcompat_init()
1029 char devname[4] = "wl0";
1032 while (!found && (dev = dev_get_by_name(devname))) {
1033 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
1039 printk("No Broadcom devices found.\n");
1044 old_ioctl = dev->do_ioctl;
1045 dev->do_ioctl = new_ioctl;
1046 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
1047 dev->get_wireless_stats = wlcompat_get_wireless_stats;
1051 init_timer(&rng_timer);
1052 rng_timer.function = rng_timer_tick;
1053 rng_timer.data = (unsigned long) dev;
1054 rng_timer_tick((unsigned long) dev);
1059 printk("broadcom driver private data: 0x%08x\n", dev->priv);
1064 static void __exit wlcompat_exit()
1068 del_timer(&rng_timer);
1070 dev->get_wireless_stats = NULL;
1071 dev->wireless_handlers = NULL;
1072 dev->do_ioctl = old_ioctl;
1077 MODULE_AUTHOR("openwrt.org");
1078 MODULE_LICENSE("GPL");
1081 module_param(random, int, 0);
1083 module_init(wlcompat_init);
1084 module_exit(wlcompat_exit);