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>
37 static struct net_device *dev;
38 static unsigned short bss_force;
39 static struct iw_statistics wstats;
40 static int random = 1;
41 char buf[WLC_IOCTL_MAXLEN];
43 /* The frequency of each channel in MHz */
44 const long channel_frequency[] = {
45 2412, 2417, 2422, 2427, 2432, 2437, 2442,
46 2447, 2452, 2457, 2462, 2467, 2472, 2484
48 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
50 #define RNG_POLL_FREQ 20
52 typedef struct internal_wsec_key {
54 uint8 unknown_1; // 0x01
56 uint8 unknown_2[7]; // 0x03
59 char data[32]; // 0x0e
63 static int wlcompat_private_ioctl(struct net_device *dev,
64 struct iw_request_info *info,
65 union iwreq_data *wrqu,
68 void print_buffer(int len, unsigned char *buf);
71 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
73 mm_segment_t old_fs = get_fs();
80 strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
81 ifr.ifr_data = (caddr_t) &ioc;
83 ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
88 static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
94 /* check for overflow */
95 if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
101 /* append int value onto the end of the name string */
102 memcpy(&(buf[buf_len]), val, len);
105 ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
109 static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
115 /* check for overflow */
116 if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf))
120 if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len))
123 memcpy(val, buf, len);
127 int get_primary_key(struct net_device *dev)
131 for (key = val = 0; (key < 4) && (val == 0); key++) {
133 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
140 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
144 struct iw_range *range;
146 range = (struct iw_range *) extra;
147 bzero(extra, sizeof(struct iw_range));
149 range->we_version_compiled = WIRELESS_EXT;
150 range->we_version_source = WIRELESS_EXT;
152 range->min_nwid = range->max_nwid = 0;
154 range->num_channels = NUM_CHANNELS;
156 for (i = 0; i < NUM_CHANNELS; i++) {
157 range->freq[k].i = i + 1;
158 range->freq[k].m = channel_frequency[i] * 100000;
159 range->freq[k].e = 1;
161 if (k >= IW_MAX_FREQUENCIES)
164 range->num_frequency = k;
165 range->sensitivity = 3;
167 /* nbd: don't know what this means, but other drivers set it this way */
168 range->pmp_flags = IW_POWER_PERIOD;
169 range->pmt_flags = IW_POWER_TIMEOUT;
170 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
173 range->max_pmp = 65535000;
175 range->max_pmt = 65535 * 1000;
177 range->max_qual.qual = 0;
178 range->max_qual.level = 0;
179 range->max_qual.noise = 0;
182 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
183 range->max_rts = 2347;
185 range->min_frag = 256;
187 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
188 range->max_frag = 2346;
190 range->txpower_capa = IW_TXPOW_DBM;
196 static int wlcompat_set_scan(struct net_device *dev,
197 struct iw_request_info *info,
198 union iwreq_data *wrqu,
201 int ap = 0, oldap = 0;
202 wl_scan_params_t params;
204 memset(¶ms, 0, sizeof(params));
206 /* use defaults (same parameters as wl scan) */
207 memset(¶ms.bssid, 0xff, sizeof(params.bssid));
208 params.bss_type = DOT11_BSSTYPE_ANY;
209 params.scan_type = -1;
211 params.active_time = -1;
212 params.passive_time = -1;
213 params.home_time = -1;
215 /* can only scan in STA mode */
216 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
218 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
220 if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)
224 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
230 struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
232 wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
234 unsigned int rssi, noise, ap;
236 memset(&wstats, 0, sizeof(wstats));
237 memset(&pkt, 0, sizeof(pkt));
238 memset(buf, 0, sizeof(buf));
239 bss_info->version = 0x2000;
240 wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
241 wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
244 if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
245 if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
248 // somehow the structure doesn't fit here
252 rssi = (rssi == 0 ? 1 : rssi);
253 wstats.qual.updated = 0x10;
255 wstats.qual.updated |= 0x20;
257 wstats.qual.updated |= 0x40;
259 if ((wstats.qual.updated & 0x60) == 0x60)
262 wstats.qual.level = rssi;
263 wstats.qual.noise = noise;
264 wstats.discard.misc = pkt.rx_bad_pkt;
265 wstats.discard.retries = pkt.tx_bad_pkt;
270 static int wlcompat_get_scan(struct net_device *dev,
271 struct iw_request_info *info,
272 union iwreq_data *wrqu,
275 wl_scan_results_t *results = (wl_scan_results_t *) buf;
276 wl_bss_info_t *bss_info;
278 char *current_ev = extra;
280 char *end_buf = extra + IW_SCAN_MAX_DATA;
285 results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
287 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
290 bss_info = &(results->bss_info[0]);
291 info_ptr = (char *) bss_info;
292 for (i = 0; i < results->count; i++) {
294 /* send the cell address (must be sent first) */
296 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
297 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
298 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
301 iwe.cmd = SIOCGIWESSID;
302 iwe.u.data.length = bss_info->SSID_len;
303 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
304 iwe.u.data.length = IW_ESSID_MAX_SIZE;
305 iwe.u.data.flags = 1;
306 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
308 /* send frequency/channel info */
309 iwe.cmd = SIOCGIWFREQ;
311 iwe.u.freq.m = bss_info->channel;
312 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
314 /* add quality statistics */
317 iwe.u.qual.level = bss_info->RSSI;
318 iwe.u.qual.noise = bss_info->phy_noise;
319 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
321 /* send rate information */
322 iwe.cmd = SIOCGIWRATE;
323 current_val = current_ev + IW_EV_LCP_LEN;
324 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
326 for(j = 0 ; j < bss_info->rateset.count ; j++) {
327 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
328 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
330 if((current_val - current_ev) > IW_EV_LCP_LEN)
331 current_ev = current_val;
333 info_ptr += sizeof(wl_bss_info_t);
334 if (bss_info->ie_length % 4)
335 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
337 info_ptr += bss_info->ie_length;
338 bss_info = (wl_bss_info_t *) info_ptr;
341 wrqu->data.length = (current_ev - extra);
342 wrqu->data.flags = 0;
347 static int wlcompat_ioctl(struct net_device *dev,
348 struct iw_request_info *info,
349 union iwreq_data *wrqu,
354 strcpy(wrqu->name, "IEEE 802.11-DS");
360 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
363 wrqu->freq.m = ci.target_channel;
369 if (wrqu->freq.m == -1) {
371 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
374 if (wrqu->freq.e == 1) {
376 int f = wrqu->freq.m / 100000;
377 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
380 if (channel == NUM_CHANNELS) // channel not found
384 wrqu->freq.m = channel + 1;
386 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
387 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
401 memset(®, 0, sizeof(reg));
403 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
406 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
409 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
413 wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
417 reg.val = bss_force << 16 | bss_force;
418 wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
421 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
422 reg.val = bss_force << 16;
423 wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
426 if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
435 memset(®, 0, sizeof(reg));
439 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
440 printk("bss time = 0x%08x", reg.val);
443 wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
444 printk("%08x\n", reg.val);
447 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
448 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
456 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
459 wrqu->essid.flags = wrqu->data.flags = 1;
460 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
461 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
467 memset(&ssid, 0, sizeof(ssid));
468 ssid.SSID_len = strlen(extra);
469 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
470 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
471 memcpy(ssid.SSID, extra, ssid.SSID_len);
472 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
478 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
484 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
490 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
496 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
504 wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
506 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
509 override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
510 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
511 if (!override && (wrqu->txpower.value > 76))
512 wrqu->txpower.value = 76;
513 wrqu->txpower.value /= 4;
515 wrqu->txpower.fixed = 0;
516 wrqu->txpower.disabled = radio;
517 wrqu->txpower.flags = IW_TXPOW_DBM;
522 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
523 int radio = wrqu->txpower.disabled;
525 wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
527 if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
530 if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
533 value &= WL_TXPWR_OVERRIDE;
534 wrqu->txpower.value *= 4;
535 wrqu->txpower.value |= value;
537 if (wrqu->txpower.flags != IW_TXPOW_DBM)
540 if (wrqu->txpower.value > 0)
541 if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
548 int val = 0, wep = 1, wrestrict = 1;
549 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
552 index = get_primary_key(dev);
554 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
556 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
561 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
564 if (wrqu->data.flags & IW_ENCODE_OPEN)
567 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
569 memset(&key, 0, sizeof(key));
571 key.flags = WL_PRIMARY_KEY;
572 key.len = wrqu->data.length;
574 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
576 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
581 wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
584 wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
592 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
597 int key = get_primary_key(dev);
599 wrqu->data.flags = IW_ENCODE_ENABLED;
604 info_addr = (int *) dev->priv;
605 wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
607 wrqu->data.flags |= key + 1;
608 wrqu->data.length = wep_key->len;
610 memset(extra, 0, 16);
611 memcpy(extra, wep_key->data, 16);
613 wrqu->data.flags |= IW_ENCODE_NOKEY;
616 wrqu->data.flags = IW_ENCODE_DISABLED;
623 return wlcompat_ioctl_getiwrange(dev, extra);
628 int ap = -1, infra = -1, passive = 0, wet = 0;
630 switch (wrqu->mode) {
631 case IW_MODE_MONITOR:
656 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
657 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
658 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
660 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
662 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
669 int ap, infra, wet, passive;
671 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
673 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
675 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
677 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
681 wrqu->mode = IW_MODE_MONITOR;
683 wrqu->mode = IW_MODE_ADHOC;
686 wrqu->mode = IW_MODE_MASTER;
689 wrqu->mode = IW_MODE_REPEAT;
691 wrqu->mode = IW_MODE_INFRA;
699 if (info->cmd >= SIOCIWFIRSTPRIV)
700 return wlcompat_private_ioctl(dev, info, wrqu, extra);
709 static const iw_handler wlcompat_handler[] = {
710 NULL, /* SIOCSIWCOMMIT */
711 wlcompat_ioctl, /* SIOCGIWNAME */
712 NULL, /* SIOCSIWNWID */
713 NULL, /* SIOCGIWNWID */
714 wlcompat_ioctl, /* SIOCSIWFREQ */
715 wlcompat_ioctl, /* SIOCGIWFREQ */
716 wlcompat_ioctl, /* SIOCSIWMODE */
717 wlcompat_ioctl, /* SIOCGIWMODE */
718 NULL, /* SIOCSIWSENS */
719 NULL, /* SIOCGIWSENS */
720 NULL, /* SIOCSIWRANGE, unused */
721 wlcompat_ioctl, /* SIOCGIWRANGE */
722 NULL, /* SIOCSIWPRIV */
723 NULL, /* SIOCGIWPRIV */
724 NULL, /* SIOCSIWSTATS */
725 NULL, /* SIOCGIWSTATS */
726 iw_handler_set_spy, /* SIOCSIWSPY */
727 iw_handler_get_spy, /* SIOCGIWSPY */
728 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
729 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
730 wlcompat_ioctl, /* SIOCSIWAP */
731 wlcompat_ioctl, /* SIOCGIWAP */
732 NULL, /* -- hole -- */
733 NULL, /* SIOCGIWAPLIST */
734 wlcompat_set_scan, /* SIOCSIWSCAN */
735 wlcompat_get_scan, /* SIOCGIWSCAN */
736 wlcompat_ioctl, /* SIOCSIWESSID */
737 wlcompat_ioctl, /* SIOCGIWESSID */
738 NULL, /* SIOCSIWNICKN */
739 NULL, /* SIOCGIWNICKN */
740 NULL, /* -- hole -- */
741 NULL, /* -- hole -- */
742 NULL, /* SIOCSIWRATE */
743 NULL, /* SIOCGIWRATE */
744 wlcompat_ioctl, /* SIOCSIWRTS */
745 wlcompat_ioctl, /* SIOCGIWRTS */
746 wlcompat_ioctl, /* SIOCSIWFRAG */
747 wlcompat_ioctl, /* SIOCGIWFRAG */
748 wlcompat_ioctl, /* SIOCSIWTXPOW */
749 wlcompat_ioctl, /* SIOCGIWTXPOW */
750 NULL, /* SIOCSIWRETRY */
751 NULL, /* SIOCGIWRETRY */
752 wlcompat_ioctl, /* SIOCSIWENCODE */
753 wlcompat_ioctl, /* SIOCGIWENCODE */
757 #define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
758 #define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
759 #define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
760 #define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
761 #define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4
762 #define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5
763 #define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6
764 #define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7
765 #define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8
766 #define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9
769 static int wlcompat_private_ioctl(struct net_device *dev,
770 struct iw_request_info *info,
771 union iwreq_data *wrqu,
774 int *value = (int *) wrqu->name;
777 case WLCOMPAT_SET_MONITOR:
779 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
784 case WLCOMPAT_GET_MONITOR:
786 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
791 case WLCOMPAT_SET_TXPWR_LIMIT:
796 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
800 val |= WL_TXPWR_OVERRIDE;
802 val &= ~WL_TXPWR_OVERRIDE;
804 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
809 case WLCOMPAT_GET_TXPWR_LIMIT:
811 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
814 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
818 case WLCOMPAT_SET_ANTDIV:
820 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
825 case WLCOMPAT_GET_ANTDIV:
827 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
832 case WLCOMPAT_SET_TXANT:
834 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
839 case WLCOMPAT_GET_TXANT:
841 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
846 case WLCOMPAT_SET_BSS_FORCE:
848 bss_force = (unsigned short) *value;
851 case WLCOMPAT_GET_BSS_FORCE:
853 *extra = (int) bss_force;
865 static const struct iw_priv_args wlcompat_private_args[] =
867 { WLCOMPAT_SET_MONITOR,
868 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
872 { WLCOMPAT_GET_MONITOR,
874 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
877 { WLCOMPAT_SET_TXPWR_LIMIT,
878 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
882 { WLCOMPAT_GET_TXPWR_LIMIT,
884 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
887 { WLCOMPAT_SET_ANTDIV,
888 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
892 { WLCOMPAT_GET_ANTDIV,
894 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
897 { WLCOMPAT_SET_TXANT,
898 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
902 { WLCOMPAT_GET_TXANT,
904 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
907 { WLCOMPAT_SET_BSS_FORCE,
908 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
912 { WLCOMPAT_GET_BSS_FORCE,
914 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
919 static const iw_handler wlcompat_private[] =
921 wlcompat_private_ioctl,
926 static const struct iw_handler_def wlcompat_handler_def =
928 .standard = (iw_handler *) wlcompat_handler,
929 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
930 .private = wlcompat_private,
932 .private_args = wlcompat_private_args,
933 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
938 void print_buffer(int len, unsigned char *buf) {
941 for (x=0;x<len && x<180 ;x++) {
944 printk("%02X",buf[x]);
953 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
954 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
956 struct iwreq *iwr = (struct iwreq *) ifr;
957 struct iw_request_info info;
960 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
963 if (cmd >= SIOCIWFIRSTPRIV) {
966 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
968 } else if (cmd==SIOCDEVPRIVATE) {
969 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
970 unsigned char *buf = ioc->buf;
971 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
973 print_buffer(ioc->len, buf);
974 ret = old_ioctl(dev,ifr,cmd);
976 print_buffer(ioc->len, buf);
977 printk(" ret: %d\n", ret);
980 ret = old_ioctl(dev,ifr,cmd);
985 static struct timer_list rng_timer;
987 static void rng_timer_tick(unsigned long n)
989 struct net_device *dev = (struct net_device *) n;
994 for (i = 0; i < 3; i++) {
995 ret |= wl_get_val(dev, "rand", &data[i], sizeof(u16));
998 batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
1000 mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
1004 static int __init wlcompat_init()
1007 char devname[4] = "wl0";
1010 while (!found && (dev = dev_get_by_name(devname))) {
1011 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
1017 printk("No Broadcom devices found.\n");
1022 old_ioctl = dev->do_ioctl;
1023 dev->do_ioctl = new_ioctl;
1024 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
1025 dev->get_wireless_stats = wlcompat_get_wireless_stats;
1028 init_timer(&rng_timer);
1029 rng_timer.function = rng_timer_tick;
1030 rng_timer.data = (unsigned long) dev;
1031 rng_timer_tick((unsigned long) dev);
1035 printk("broadcom driver private data: 0x%08x\n", dev->priv);
1040 static void __exit wlcompat_exit()
1043 del_timer(&rng_timer);
1044 dev->get_wireless_stats = NULL;
1045 dev->wireless_handlers = NULL;
1046 dev->do_ioctl = old_ioctl;
1051 MODULE_AUTHOR("openwrt.org");
1052 MODULE_LICENSE("GPL");
1054 module_param(random, int, 0);
1055 module_init(wlcompat_init);
1056 module_exit(wlcompat_exit);