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sis900: come alive after temporary memory shortage
[deliverable/linux.git] / drivers / net / wireless / hostap / hostap_ioctl.c
CommitLineData
ff1d2767
JM		 1/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
2
3#ifdef in_atomic
4/* Get kernel_locked() for in_atomic() */
5#include <linux/smp_lock.h>
6#endif
7#include <linux/ethtool.h>
8
9
10static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
11{
12 struct hostap_interface *iface;
13 local_info_t *local;
14 struct iw_statistics *wstats;
15
16 iface = netdev_priv(dev);
17 local = iface->local;
18
19 /* Why are we doing that ? Jean II */
20 if (iface->type != HOSTAP_INTERFACE_MAIN)
21 return NULL;
22
23 wstats = &local->wstats;
24
25 wstats->status = 0;
26 wstats->discard.code =
27 local->comm_tallies.rx_discards_wep_undecryptable;
28 wstats->discard.misc =
29 local->comm_tallies.rx_fcs_errors +
30 local->comm_tallies.rx_discards_no_buffer +
31 local->comm_tallies.tx_discards_wrong_sa;
32
33 wstats->discard.retries =
34 local->comm_tallies.tx_retry_limit_exceeded;
35 wstats->discard.fragment =
36 local->comm_tallies.rx_message_in_bad_msg_fragments;
37
38 if (local->iw_mode != IW_MODE_MASTER &&
39 local->iw_mode != IW_MODE_REPEAT) {
40 int update = 1;
41#ifdef in_atomic
42 /* RID reading might sleep and it must not be called in
43 * interrupt context or while atomic. However, this
44 * function seems to be called while atomic (at least in Linux
45 * 2.5.59). Update signal quality values only if in suitable
46 * context. Otherwise, previous values read from tick timer
47 * will be used. */
48 if (in_atomic())
49 update = 0;
50#endif /* in_atomic */
51
52 if (update && prism2_update_comms_qual(dev) == 0)
c28df16e
JT		 53 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
54 IW_QUAL_DBM;
ff1d2767
JM		 55
56 wstats->qual.qual = local->comms_qual;
57 wstats->qual.level = local->avg_signal;
58 wstats->qual.noise = local->avg_noise;
59 } else {
60 wstats->qual.qual = 0;
61 wstats->qual.level = 0;
62 wstats->qual.noise = 0;
c28df16e 63 wstats->qual.updated = IW_QUAL_ALL_INVALID;
ff1d2767
JM		 64 }
65
66 return wstats;
67}
68
69
70static int prism2_get_datarates(struct net_device *dev, u8 *rates)
71{
72 struct hostap_interface *iface;
73 local_info_t *local;
74 u8 buf[12];
75 int len;
76 u16 val;
77
78 iface = netdev_priv(dev);
79 local = iface->local;
80
81 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
82 sizeof(buf), 0);
83 if (len < 2)
84 return 0;
85
86 val = le16_to_cpu(*(u16 *) buf); /* string length */
87
88 if (len - 2 < val || val > 10)
89 return 0;
90
91 memcpy(rates, buf + 2, val);
92 return val;
93}
94
95
96static int prism2_get_name(struct net_device *dev,
97 struct iw_request_info *info,
98 char *name, char *extra)
99{
100 u8 rates[10];
101 int len, i, over2 = 0;
102
103 len = prism2_get_datarates(dev, rates);
104
105 for (i = 0; i < len; i++) {
106 if (rates[i] == 0x0b || rates[i] == 0x16) {
107 over2 = 1;
108 break;
109 }
110 }
111
112 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
113
114 return 0;
115}
116
117
118static void prism2_crypt_delayed_deinit(local_info_t *local,
62fe7e37 119 struct ieee80211_crypt_data **crypt)
ff1d2767 120{
62fe7e37 121 struct ieee80211_crypt_data *tmp;
ff1d2767
JM		 122 unsigned long flags;
123
124 tmp = *crypt;
125 *crypt = NULL;
126
127 if (tmp == NULL)
128 return;
129
130 /* must not run ops->deinit() while there may be pending encrypt or
131 * decrypt operations. Use a list of delayed deinits to avoid needing
132 * locking. */
133
134 spin_lock_irqsave(&local->lock, flags);
135 list_add(&tmp->list, &local->crypt_deinit_list);
136 if (!timer_pending(&local->crypt_deinit_timer)) {
137 local->crypt_deinit_timer.expires = jiffies + HZ;
138 add_timer(&local->crypt_deinit_timer);
139 }
140 spin_unlock_irqrestore(&local->lock, flags);
141}
142
143
144static int prism2_ioctl_siwencode(struct net_device *dev,
145 struct iw_request_info *info,
146 struct iw_point *erq, char *keybuf)
147{
148 struct hostap_interface *iface;
149 local_info_t *local;
150 int i;
62fe7e37 151 struct ieee80211_crypt_data **crypt;
ff1d2767
JM		 152
153 iface = netdev_priv(dev);
154 local = iface->local;
155
156 i = erq->flags & IW_ENCODE_INDEX;
157 if (i < 1 || i > 4)
158 i = local->tx_keyidx;
159 else
160 i--;
161 if (i < 0 || i >= WEP_KEYS)
162 return -EINVAL;
163
164 crypt = &local->crypt[i];
165
166 if (erq->flags & IW_ENCODE_DISABLED) {
167 if (*crypt)
168 prism2_crypt_delayed_deinit(local, crypt);
169 goto done;
170 }
171
172 if (*crypt != NULL && (*crypt)->ops != NULL &&
173 strcmp((*crypt)->ops->name, "WEP") != 0) {
174 /* changing to use WEP; deinit previously used algorithm */
175 prism2_crypt_delayed_deinit(local, crypt);
176 }
177
178 if (*crypt == NULL) {
62fe7e37 179 struct ieee80211_crypt_data *new_crypt;
ff1d2767
JM		 180
181 /* take WEP into use */
62fe7e37
JM		 182 new_crypt = (struct ieee80211_crypt_data *)
183 kmalloc(sizeof(struct ieee80211_crypt_data),
184 GFP_KERNEL);
ff1d2767
JM		 185 if (new_crypt == NULL)
186 return -ENOMEM;
62fe7e37
JM		 187 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
188 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
ff1d2767 189 if (!new_crypt->ops) {
62fe7e37
JM		 190 request_module("ieee80211_crypt_wep");
191 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
ff1d2767
JM		 192 }
193 if (new_crypt->ops)
194 new_crypt->priv = new_crypt->ops->init(i);
195 if (!new_crypt->ops || !new_crypt->priv) {
196 kfree(new_crypt);
197 new_crypt = NULL;
198
199 printk(KERN_WARNING "%s: could not initialize WEP: "
200 "load module hostap_crypt_wep.o\n",
201 dev->name);
202 return -EOPNOTSUPP;
203 }
204 *crypt = new_crypt;
205 }
206
207 if (erq->length > 0) {
208 int len = erq->length <= 5 ? 5 : 13;
209 int first = 1, j;
210 if (len > erq->length)
211 memset(keybuf + erq->length, 0, len - erq->length);
212 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
213 for (j = 0; j < WEP_KEYS; j++) {
214 if (j != i && local->crypt[j]) {
215 first = 0;
216 break;
217 }
218 }
219 if (first)
220 local->tx_keyidx = i;
221 } else {
222 /* No key data - just set the default TX key index */
223 local->tx_keyidx = i;
224 }
225
226 done:
227 local->open_wep = erq->flags & IW_ENCODE_OPEN;
228
229 if (hostap_set_encryption(local)) {
230 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
231 return -EINVAL;
232 }
233
234 /* Do not reset port0 if card is in Managed mode since resetting will
235 * generate new IEEE 802.11 authentication which may end up in looping
236 * with IEEE 802.1X. Prism2 documentation seem to require port reset
237 * after WEP configuration. However, keys are apparently changed at
238 * least in Managed mode. */
239 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
240 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
241 return -EINVAL;
242 }
243
244 return 0;
245}
246
247
248static int prism2_ioctl_giwencode(struct net_device *dev,
249 struct iw_request_info *info,
250 struct iw_point *erq, char *key)
251{
252 struct hostap_interface *iface;
253 local_info_t *local;
254 int i, len;
255 u16 val;
62fe7e37 256 struct ieee80211_crypt_data *crypt;
ff1d2767
JM		 257
258 iface = netdev_priv(dev);
259 local = iface->local;
260
261 i = erq->flags & IW_ENCODE_INDEX;
262 if (i < 1 || i > 4)
263 i = local->tx_keyidx;
264 else
265 i--;
266 if (i < 0 || i >= WEP_KEYS)
267 return -EINVAL;
268
269 crypt = local->crypt[i];
270 erq->flags = i + 1;
271
272 if (crypt == NULL || crypt->ops == NULL) {
273 erq->length = 0;
274 erq->flags |= IW_ENCODE_DISABLED;
275 return 0;
276 }
277
278 if (strcmp(crypt->ops->name, "WEP") != 0) {
279 /* only WEP is supported with wireless extensions, so just
280 * report that encryption is used */
281 erq->length = 0;
282 erq->flags |= IW_ENCODE_ENABLED;
283 return 0;
284 }
285
286 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
287 * the keys from driver buffer */
288 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
289 erq->length = (len >= 0 ? len : 0);
290
291 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
292 {
293 printk("CNFWEPFLAGS reading failed\n");
294 return -EOPNOTSUPP;
295 }
296 le16_to_cpus(&val);
297 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
298 erq->flags |= IW_ENCODE_ENABLED;
299 else
300 erq->flags |= IW_ENCODE_DISABLED;
301 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
302 erq->flags |= IW_ENCODE_RESTRICTED;
303 else
304 erq->flags |= IW_ENCODE_OPEN;
305
306 return 0;
307}
308
309
310static int hostap_set_rate(struct net_device *dev)
311{
312 struct hostap_interface *iface;
313 local_info_t *local;
314 int ret, basic_rates;
315
316 iface = netdev_priv(dev);
317 local = iface->local;
318
319 basic_rates = local->basic_rates & local->tx_rate_control;
320 if (!basic_rates || basic_rates != local->basic_rates) {
321 printk(KERN_INFO "%s: updating basic rate set automatically "
322 "to match with the new supported rate set\n",
323 dev->name);
324 if (!basic_rates)
325 basic_rates = local->tx_rate_control;
326
327 local->basic_rates = basic_rates;
328 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
329 basic_rates))
330 printk(KERN_WARNING "%s: failed to set "
331 "cnfBasicRates\n", dev->name);
332 }
333
334 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
335 local->tx_rate_control) ||
336 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
337 local->tx_rate_control) ||
338 local->func->reset_port(dev));
74fae82c 339
ff1d2767
JM		 340 if (ret) {
341 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
342 "setting to 0x%x failed\n",
343 dev->name, local->tx_rate_control);
344 }
345
346 /* Update TX rate configuration for all STAs based on new operational
347 * rate set. */
348 hostap_update_rates(local);
349
350 return ret;
351}
352
353
354static int prism2_ioctl_siwrate(struct net_device *dev,
355 struct iw_request_info *info,
356 struct iw_param *rrq, char *extra)
357{
358 struct hostap_interface *iface;
359 local_info_t *local;
360
361 iface = netdev_priv(dev);
362 local = iface->local;
363
364 if (rrq->fixed) {
365 switch (rrq->value) {
366 case 11000000:
367 local->tx_rate_control = HFA384X_RATES_11MBPS;
368 break;
369 case 5500000:
370 local->tx_rate_control = HFA384X_RATES_5MBPS;
371 break;
372 case 2000000:
373 local->tx_rate_control = HFA384X_RATES_2MBPS;
374 break;
375 case 1000000:
376 local->tx_rate_control = HFA384X_RATES_1MBPS;
377 break;
378 default:
379 local->tx_rate_control = HFA384X_RATES_1MBPS |
380 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
381 HFA384X_RATES_11MBPS;
382 break;
383 }
384 } else {
385 switch (rrq->value) {
386 case 11000000:
387 local->tx_rate_control = HFA384X_RATES_1MBPS |
388 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
389 HFA384X_RATES_11MBPS;
390 break;
391 case 5500000:
392 local->tx_rate_control = HFA384X_RATES_1MBPS |
393 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
394 break;
395 case 2000000:
396 local->tx_rate_control = HFA384X_RATES_1MBPS |
397 HFA384X_RATES_2MBPS;
398 break;
399 case 1000000:
400 local->tx_rate_control = HFA384X_RATES_1MBPS;
401 break;
402 default:
403 local->tx_rate_control = HFA384X_RATES_1MBPS |
404 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
405 HFA384X_RATES_11MBPS;
406 break;
407 }
408 }
409
410 return hostap_set_rate(dev);
411}
412
413
414static int prism2_ioctl_giwrate(struct net_device *dev,
415 struct iw_request_info *info,
416 struct iw_param *rrq, char *extra)
417{
418 u16 val;
419 struct hostap_interface *iface;
420 local_info_t *local;
421 int ret = 0;
422
423 iface = netdev_priv(dev);
424 local = iface->local;
425
426 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
427 0)
428 return -EINVAL;
429
430 if ((val & 0x1) && (val > 1))
431 rrq->fixed = 0;
432 else
433 rrq->fixed = 1;
434
435 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
436 !local->fw_tx_rate_control) {
437 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
438 * Host AP mode, so use the recorded TX rate of the last sent
439 * frame */
440 rrq->value = local->ap->last_tx_rate > 0 ?
441 local->ap->last_tx_rate * 100000 : 11000000;
442 return 0;
443 }
444
445 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
446 0)
447 return -EINVAL;
448
449 switch (val) {
450 case HFA384X_RATES_1MBPS:
451 rrq->value = 1000000;
452 break;
453 case HFA384X_RATES_2MBPS:
454 rrq->value = 2000000;
455 break;
456 case HFA384X_RATES_5MBPS:
457 rrq->value = 5500000;
458 break;
459 case HFA384X_RATES_11MBPS:
460 rrq->value = 11000000;
461 break;
462 default:
463 /* should not happen */
464 rrq->value = 11000000;
465 ret = -EINVAL;
466 break;
467 }
468
469 return ret;
470}
471
472
473static int prism2_ioctl_siwsens(struct net_device *dev,
474 struct iw_request_info *info,
475 struct iw_param *sens, char *extra)
476{
477 struct hostap_interface *iface;
478 local_info_t *local;
479
480 iface = netdev_priv(dev);
481 local = iface->local;
482
483 /* Set the desired AP density */
484 if (sens->value < 1 || sens->value > 3)
485 return -EINVAL;
486
487 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
488 local->func->reset_port(dev))
489 return -EINVAL;
490
491 return 0;
492}
493
494static int prism2_ioctl_giwsens(struct net_device *dev,
495 struct iw_request_info *info,
496 struct iw_param *sens, char *extra)
497{
498 struct hostap_interface *iface;
499 local_info_t *local;
500 u16 val;
501
502 iface = netdev_priv(dev);
503 local = iface->local;
504
505 /* Get the current AP density */
506 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
507 0)
508 return -EINVAL;
509
510 sens->value = __le16_to_cpu(val);
511 sens->fixed = 1;
512
513 return 0;
514}
515
516
517/* Deprecated in new wireless extension API */
518static int prism2_ioctl_giwaplist(struct net_device *dev,
519 struct iw_request_info *info,
520 struct iw_point *data, char *extra)
521{
522 struct hostap_interface *iface;
523 local_info_t *local;
524 struct sockaddr *addr;
525 struct iw_quality *qual;
526
527 iface = netdev_priv(dev);
528 local = iface->local;
529
530 if (local->iw_mode != IW_MODE_MASTER) {
531 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
532 "in Host AP mode\n");
533 data->length = 0;
534 return -EOPNOTSUPP;
535 }
536
537 addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
538 qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
539 if (addr == NULL || qual == NULL) {
540 kfree(addr);
541 kfree(qual);
542 data->length = 0;
543 return -ENOMEM;
544 }
545
546 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
547
548 memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
549 data->flags = 1; /* has quality information */
550 memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
551 sizeof(struct iw_quality) * data->length);
552
553 kfree(addr);
554 kfree(qual);
555
556 return 0;
557}
558
559
560static int prism2_ioctl_siwrts(struct net_device *dev,
561 struct iw_request_info *info,
562 struct iw_param *rts, char *extra)
563{
564 struct hostap_interface *iface;
565 local_info_t *local;
566 u16 val;
567
568 iface = netdev_priv(dev);
569 local = iface->local;
570
571 if (rts->disabled)
572 val = __constant_cpu_to_le16(2347);
573 else if (rts->value < 0 || rts->value > 2347)
574 return -EINVAL;
575 else
576 val = __cpu_to_le16(rts->value);
577
578 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
579 local->func->reset_port(dev))
580 return -EINVAL;
581
582 local->rts_threshold = rts->value;
583
584 return 0;
585}
586
587static int prism2_ioctl_giwrts(struct net_device *dev,
588 struct iw_request_info *info,
589 struct iw_param *rts, char *extra)
590{
591 struct hostap_interface *iface;
592 local_info_t *local;
593 u16 val;
594
595 iface = netdev_priv(dev);
596 local = iface->local;
597
598 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
599 0)
600 return -EINVAL;
601
602 rts->value = __le16_to_cpu(val);
603 rts->disabled = (rts->value == 2347);
604 rts->fixed = 1;
605
606 return 0;
607}
608
609
610static int prism2_ioctl_siwfrag(struct net_device *dev,
611 struct iw_request_info *info,
612 struct iw_param *rts, char *extra)
613{
614 struct hostap_interface *iface;
615 local_info_t *local;
616 u16 val;
617
618 iface = netdev_priv(dev);
619 local = iface->local;
620
621 if (rts->disabled)
622 val = __constant_cpu_to_le16(2346);
623 else if (rts->value < 256 || rts->value > 2346)
624 return -EINVAL;
625 else
626 val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
627
628 local->fragm_threshold = rts->value & ~0x1;
629 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
630 2)
631 || local->func->reset_port(dev))
632 return -EINVAL;
633
634 return 0;
635}
636
637static int prism2_ioctl_giwfrag(struct net_device *dev,
638 struct iw_request_info *info,
639 struct iw_param *rts, char *extra)
640{
641 struct hostap_interface *iface;
642 local_info_t *local;
643 u16 val;
644
645 iface = netdev_priv(dev);
646 local = iface->local;
647
648 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
649 &val, 2, 1) < 0)
650 return -EINVAL;
651
652 rts->value = __le16_to_cpu(val);
653 rts->disabled = (rts->value == 2346);
654 rts->fixed = 1;
655
656 return 0;
657}
658
659
660#ifndef PRISM2_NO_STATION_MODES
661static int hostap_join_ap(struct net_device *dev)
662{
663 struct hostap_interface *iface;
664 local_info_t *local;
665 struct hfa384x_join_request req;
666 unsigned long flags;
667 int i;
2e4fd068 668 struct hfa384x_hostscan_result *entry;
ff1d2767
JM		 669
670 iface = netdev_priv(dev);
671 local = iface->local;
672
673 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
674 req.channel = 0;
675
676 spin_lock_irqsave(&local->lock, flags);
677 for (i = 0; i < local->last_scan_results_count; i++) {
678 if (!local->last_scan_results)
679 break;
680 entry = &local->last_scan_results[i];
681 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
682 req.channel = entry->chid;
683 break;
684 }
685 }
686 spin_unlock_irqrestore(&local->lock, flags);
687
688 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
689 sizeof(req))) {
690 printk(KERN_DEBUG "%s: JoinRequest " MACSTR
691 " failed\n",
692 dev->name, MAC2STR(local->preferred_ap));
693 return -1;
694 }
695
696 printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
697 dev->name, MAC2STR(local->preferred_ap));
698
699 return 0;
700}
701#endif /* PRISM2_NO_STATION_MODES */
702
703
704static int prism2_ioctl_siwap(struct net_device *dev,
705 struct iw_request_info *info,
706 struct sockaddr *ap_addr, char *extra)
707{
708#ifdef PRISM2_NO_STATION_MODES
709 return -EOPNOTSUPP;
710#else /* PRISM2_NO_STATION_MODES */
711 struct hostap_interface *iface;
712 local_info_t *local;
713
714 iface = netdev_priv(dev);
715 local = iface->local;
716
717 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
718
719 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
720 struct hfa384x_scan_request scan_req;
721 memset(&scan_req, 0, sizeof(scan_req));
722 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
723 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
724 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
725 &scan_req, sizeof(scan_req))) {
726 printk(KERN_DEBUG "%s: ScanResults request failed - "
727 "preferred AP delayed to next unsolicited "
728 "scan\n", dev->name);
729 }
730 } else if (local->host_roaming == 2 &&
731 local->iw_mode == IW_MODE_INFRA) {
732 if (hostap_join_ap(dev))
733 return -EINVAL;
734 } else {
735 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
736 "in Managed mode when host_roaming is enabled\n",
737 dev->name);
738 }
739
740 return 0;
741#endif /* PRISM2_NO_STATION_MODES */
742}
743
744static int prism2_ioctl_giwap(struct net_device *dev,
745 struct iw_request_info *info,
746 struct sockaddr *ap_addr, char *extra)
747{
748 struct hostap_interface *iface;
749 local_info_t *local;
750
751 iface = netdev_priv(dev);
752 local = iface->local;
753
754 ap_addr->sa_family = ARPHRD_ETHER;
755 switch (iface->type) {
756 case HOSTAP_INTERFACE_AP:
757 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
758 break;
759 case HOSTAP_INTERFACE_STA:
760 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
761 break;
762 case HOSTAP_INTERFACE_WDS:
763 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
764 break;
765 default:
766 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
767 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
768 return -EOPNOTSUPP;
769
770 /* local->bssid is also updated in LinkStatus handler when in
771 * station mode */
772 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
773 break;
774 }
775
776 return 0;
777}
778
779
780static int prism2_ioctl_siwnickn(struct net_device *dev,
781 struct iw_request_info *info,
782 struct iw_point *data, char *nickname)
783{
784 struct hostap_interface *iface;
785 local_info_t *local;
786
787 iface = netdev_priv(dev);
788 local = iface->local;
789
790 memset(local->name, 0, sizeof(local->name));
791 memcpy(local->name, nickname, data->length);
792 local->name_set = 1;
793
794 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
795 local->func->reset_port(dev))
796 return -EINVAL;
797
798 return 0;
799}
800
801static int prism2_ioctl_giwnickn(struct net_device *dev,
802 struct iw_request_info *info,
803 struct iw_point *data, char *nickname)
804{
805 struct hostap_interface *iface;
806 local_info_t *local;
807 int len;
808 char name[MAX_NAME_LEN + 3];
809 u16 val;
810
811 iface = netdev_priv(dev);
812 local = iface->local;
813
814 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
815 &name, MAX_NAME_LEN + 2, 0);
816 val = __le16_to_cpu(*(u16 *) name);
817 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
818 return -EOPNOTSUPP;
819
820 name[val + 2] = '\0';
821 data->length = val + 1;
822 memcpy(nickname, name + 2, val + 1);
823
824 return 0;
825}
826
827
828static int prism2_ioctl_siwfreq(struct net_device *dev,
829 struct iw_request_info *info,
830 struct iw_freq *freq, char *extra)
831{
832 struct hostap_interface *iface;
833 local_info_t *local;
834
835 iface = netdev_priv(dev);
836 local = iface->local;
837
838 /* freq => chan. */
839 if (freq->e == 1 &&
840 freq->m / 100000 >= freq_list[0] &&
841 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
842 int ch;
843 int fr = freq->m / 100000;
844 for (ch = 0; ch < FREQ_COUNT; ch++) {
845 if (fr == freq_list[ch]) {
846 freq->e = 0;
847 freq->m = ch + 1;
848 break;
849 }
850 }
851 }
852
853 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
854 !(local->channel_mask & (1 << (freq->m - 1))))
855 return -EINVAL;
856
857 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
858 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
859 local->func->reset_port(dev))
860 return -EINVAL;
861
862 return 0;
863}
864
865static int prism2_ioctl_giwfreq(struct net_device *dev,
866 struct iw_request_info *info,
867 struct iw_freq *freq, char *extra)
868{
869 struct hostap_interface *iface;
870 local_info_t *local;
871 u16 val;
872
873 iface = netdev_priv(dev);
874 local = iface->local;
875
876 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
877 0)
878 return -EINVAL;
879
880 le16_to_cpus(&val);
881 if (val < 1 || val > FREQ_COUNT)
882 return -EINVAL;
883
884 freq->m = freq_list[val - 1] * 100000;
885 freq->e = 1;
886
887 return 0;
888}
889
890
891static void hostap_monitor_set_type(local_info_t *local)
892{
893 struct net_device *dev = local->ddev;
894
895 if (dev == NULL)
896 return;
897
898 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
899 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
900 dev->type = ARPHRD_IEEE80211_PRISM;
901 dev->hard_header_parse =
902 hostap_80211_prism_header_parse;
903 } else {
904 dev->type = ARPHRD_IEEE80211;
905 dev->hard_header_parse = hostap_80211_header_parse;
906 }
907}
908
909
910static int prism2_ioctl_siwessid(struct net_device *dev,
911 struct iw_request_info *info,
912 struct iw_point *data, char *ssid)
913{
914 struct hostap_interface *iface;
915 local_info_t *local;
916
917 iface = netdev_priv(dev);
918 local = iface->local;
919
920 if (iface->type == HOSTAP_INTERFACE_WDS)
921 return -EOPNOTSUPP;
922
923 if (data->flags == 0)
924 ssid[0] = '\0'; /* ANY */
925
926 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
927 /* Setting SSID to empty string seems to kill the card in
928 * Host AP mode */
929 printk(KERN_DEBUG "%s: Host AP mode does not support "
930 "'Any' essid\n", dev->name);
931 return -EINVAL;
932 }
933
934 memcpy(local->essid, ssid, data->length);
935 local->essid[data->length] = '\0';
936
937 if ((!local->fw_ap &&
938 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
939 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
940 local->func->reset_port(dev))
941 return -EINVAL;
942
943 return 0;
944}
945
946static int prism2_ioctl_giwessid(struct net_device *dev,
947 struct iw_request_info *info,
948 struct iw_point *data, char *essid)
949{
950 struct hostap_interface *iface;
951 local_info_t *local;
952 u16 val;
953
954 iface = netdev_priv(dev);
955 local = iface->local;
956
957 if (iface->type == HOSTAP_INTERFACE_WDS)
958 return -EOPNOTSUPP;
959
960 data->flags = 1; /* active */
961 if (local->iw_mode == IW_MODE_MASTER) {
962 data->length = strlen(local->essid);
963 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
964 } else {
965 int len;
966 char ssid[MAX_SSID_LEN + 2];
967 memset(ssid, 0, sizeof(ssid));
968 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
969 &ssid, MAX_SSID_LEN + 2, 0);
970 val = __le16_to_cpu(*(u16 *) ssid);
971 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
972 return -EOPNOTSUPP;
973 }
974 data->length = val;
975 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
976 }
977
978 return 0;
979}
980
981
982static int prism2_ioctl_giwrange(struct net_device *dev,
983 struct iw_request_info *info,
984 struct iw_point *data, char *extra)
985{
986 struct hostap_interface *iface;
987 local_info_t *local;
988 struct iw_range *range = (struct iw_range *) extra;
989 u8 rates[10];
990 u16 val;
991 int i, len, over2;
992
993 iface = netdev_priv(dev);
994 local = iface->local;
995
996 data->length = sizeof(struct iw_range);
997 memset(range, 0, sizeof(struct iw_range));
998
999 /* TODO: could fill num_txpower and txpower array with
1000 * something; however, there are 128 different values.. */
1001
1002 range->txpower_capa = IW_TXPOW_DBM;
1003
1004 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1005 {
1006 range->min_pmp = 1 * 1024;
1007 range->max_pmp = 65535 * 1024;
1008 range->min_pmt = 1 * 1024;
1009 range->max_pmt = 1000 * 1024;
1010 range->pmp_flags = IW_POWER_PERIOD;
1011 range->pmt_flags = IW_POWER_TIMEOUT;
1012 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1013 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1014 }
1015
1016 range->we_version_compiled = WIRELESS_EXT;
1017 range->we_version_source = 18;
1018
1019 range->retry_capa = IW_RETRY_LIMIT;
1020 range->retry_flags = IW_RETRY_LIMIT;
1021 range->min_retry = 0;
1022 range->max_retry = 255;
1023
1024 range->num_channels = FREQ_COUNT;
1025
1026 val = 0;
1027 for (i = 0; i < FREQ_COUNT; i++) {
1028 if (local->channel_mask & (1 << i)) {
1029 range->freq[val].i = i + 1;
1030 range->freq[val].m = freq_list[i] * 100000;
1031 range->freq[val].e = 1;
1032 val++;
1033 }
1034 if (val == IW_MAX_FREQUENCIES)
1035 break;
1036 }
1037 range->num_frequency = val;
1038
1039 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1040 range->max_qual.qual = 70; /* what is correct max? This was not
1041 * documented exactly. At least
1042 * 69 has been observed. */
1043 range->max_qual.level = 0; /* dB */
1044 range->max_qual.noise = 0; /* dB */
1045
1046 /* What would be suitable values for "average/typical" qual? */
1047 range->avg_qual.qual = 20;
1048 range->avg_qual.level = -60;
1049 range->avg_qual.noise = -95;
1050 } else {
1051 range->max_qual.qual = 92; /* 0 .. 92 */
1052 range->max_qual.level = 154; /* 27 .. 154 */
1053 range->max_qual.noise = 154; /* 27 .. 154 */
1054 }
1055 range->sensitivity = 3;
1056
1057 range->max_encoding_tokens = WEP_KEYS;
1058 range->num_encoding_sizes = 2;
1059 range->encoding_size[0] = 5;
1060 range->encoding_size[1] = 13;
1061
1062 over2 = 0;
1063 len = prism2_get_datarates(dev, rates);
1064 range->num_bitrates = 0;
1065 for (i = 0; i < len; i++) {
1066 if (range->num_bitrates < IW_MAX_BITRATES) {
1067 range->bitrate[range->num_bitrates] =
1068 rates[i] * 500000;
1069 range->num_bitrates++;
1070 }
1071 if (rates[i] == 0x0b || rates[i] == 0x16)
1072 over2 = 1;
1073 }
1074 /* estimated maximum TCP throughput values (bps) */
1075 range->throughput = over2 ? 5500000 : 1500000;
1076
1077 range->min_rts = 0;
1078 range->max_rts = 2347;
1079 range->min_frag = 256;
1080 range->max_frag = 2346;
1081
1082 /* Event capability (kernel + driver) */
1083 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1084 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1085 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1086 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1087 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1088 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1089 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1090 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1091 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1092
1093 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1094 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1095
1096 return 0;
1097}
1098
1099
1100static int hostap_monitor_mode_enable(local_info_t *local)
1101{
1102 struct net_device *dev = local->dev;
1103
1104 printk(KERN_DEBUG "Enabling monitor mode\n");
1105 hostap_monitor_set_type(local);
1106
1107 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1108 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1109 printk(KERN_DEBUG "Port type setting for monitor mode "
1110 "failed\n");
1111 return -EOPNOTSUPP;
1112 }
1113
1114 /* Host decrypt is needed to get the IV and ICV fields;
1115 * however, monitor mode seems to remove WEP flag from frame
1116 * control field */
1117 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1118 HFA384X_WEPFLAGS_HOSTENCRYPT |
1119 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1120 printk(KERN_DEBUG "WEP flags setting failed\n");
1121 return -EOPNOTSUPP;
1122 }
1123
1124 if (local->func->reset_port(dev) ||
1125 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1126 (HFA384X_TEST_MONITOR << 8),
1127 0, NULL, NULL)) {
1128 printk(KERN_DEBUG "Setting monitor mode failed\n");
1129 return -EOPNOTSUPP;
1130 }
1131
1132 return 0;
1133}
1134
1135
1136static int hostap_monitor_mode_disable(local_info_t *local)
1137{
1138 struct net_device *dev = local->ddev;
1139
1140 if (dev == NULL)
1141 return -1;
1142
1143 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1144 dev->type = ARPHRD_ETHER;
1145 dev->hard_header_parse = local->saved_eth_header_parse;
1146 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1147 (HFA384X_TEST_STOP << 8),
1148 0, NULL, NULL))
1149 return -1;
1150 return hostap_set_encryption(local);
1151}
1152
1153
1154static int prism2_ioctl_siwmode(struct net_device *dev,
1155 struct iw_request_info *info,
1156 __u32 *mode, char *extra)
1157{
1158 struct hostap_interface *iface;
1159 local_info_t *local;
1160 int double_reset = 0;
1161
1162 iface = netdev_priv(dev);
1163 local = iface->local;
1164
1165 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1166 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1167 *mode != IW_MODE_MONITOR)
1168 return -EOPNOTSUPP;
1169
1170#ifdef PRISM2_NO_STATION_MODES
1171 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1172 return -EOPNOTSUPP;
1173#endif /* PRISM2_NO_STATION_MODES */
1174
1175 if (*mode == local->iw_mode)
1176 return 0;
1177
1178 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1179 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1180 "mode\n", dev->name);
1181 return -EINVAL;
1182 }
1183
1184 if (local->iw_mode == IW_MODE_MONITOR)
1185 hostap_monitor_mode_disable(local);
1186
f3b10e16
JM		 1187 if ((local->iw_mode == IW_MODE_ADHOC ||
1188 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
ff1d2767
JM		 1189 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1190 * that leaves beacon frames to use IBSS type when moving from
1191 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1192 * enough to workaround this. */
1193 double_reset = 1;
1194 }
1195
1196 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1197 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1198 local->iw_mode = *mode;
1199
1200 if (local->iw_mode == IW_MODE_MONITOR)
1201 hostap_monitor_mode_enable(local);
1202 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1203 !local->fw_encrypt_ok) {
1204 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1205 "a workaround for firmware bug in Host AP mode WEP\n",
1206 dev->name);
1207 local->host_encrypt = 1;
1208 }
1209
1210 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1211 hostap_get_porttype(local)))
1212 return -EOPNOTSUPP;
1213
1214 if (local->func->reset_port(dev))
1215 return -EINVAL;
1216 if (double_reset && local->func->reset_port(dev))
1217 return -EINVAL;
1218
1219 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1220 {
1221 /* netif_carrier is used only in client modes for now, so make
1222 * sure carrier is on when moving to non-client modes. */
1223 netif_carrier_on(local->dev);
1224 netif_carrier_on(local->ddev);
1225 }
1226 return 0;
1227}
1228
1229
1230static int prism2_ioctl_giwmode(struct net_device *dev,
1231 struct iw_request_info *info,
1232 __u32 *mode, char *extra)
1233{
1234 struct hostap_interface *iface;
1235 local_info_t *local;
1236
1237 iface = netdev_priv(dev);
1238 local = iface->local;
1239
1240 switch (iface->type) {
1241 case HOSTAP_INTERFACE_STA:
1242 *mode = IW_MODE_INFRA;
1243 break;
1244 case HOSTAP_INTERFACE_WDS:
1245 *mode = IW_MODE_REPEAT;
1246 break;
1247 default:
1248 *mode = local->iw_mode;
1249 break;
1250 }
1251 return 0;
1252}
1253
1254
1255static int prism2_ioctl_siwpower(struct net_device *dev,
1256 struct iw_request_info *info,
1257 struct iw_param *wrq, char *extra)
1258{
1259#ifdef PRISM2_NO_STATION_MODES
1260 return -EOPNOTSUPP;
1261#else /* PRISM2_NO_STATION_MODES */
1262 int ret = 0;
1263
1264 if (wrq->disabled)
1265 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1266
1267 switch (wrq->flags & IW_POWER_MODE) {
1268 case IW_POWER_UNICAST_R:
1269 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1270 if (ret)
1271 return ret;
1272 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1273 if (ret)
1274 return ret;
1275 break;
1276 case IW_POWER_ALL_R:
1277 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1278 if (ret)
1279 return ret;
1280 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1281 if (ret)
1282 return ret;
1283 break;
1284 case IW_POWER_ON:
1285 break;
1286 default:
1287 return -EINVAL;
1288 }
1289
1290 if (wrq->flags & IW_POWER_TIMEOUT) {
1291 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1292 if (ret)
1293 return ret;
1294 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1295 wrq->value / 1024);
1296 if (ret)
1297 return ret;
1298 }
1299 if (wrq->flags & IW_POWER_PERIOD) {
1300 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1301 if (ret)
1302 return ret;
1303 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1304 wrq->value / 1024);
1305 if (ret)
1306 return ret;
1307 }
1308
1309 return ret;
1310#endif /* PRISM2_NO_STATION_MODES */
1311}
1312
1313
1314static int prism2_ioctl_giwpower(struct net_device *dev,
1315 struct iw_request_info *info,
1316 struct iw_param *rrq, char *extra)
1317{
1318#ifdef PRISM2_NO_STATION_MODES
1319 return -EOPNOTSUPP;
1320#else /* PRISM2_NO_STATION_MODES */
1321 struct hostap_interface *iface;
1322 local_info_t *local;
1323 u16 enable, mcast;
1324
1325 iface = netdev_priv(dev);
1326 local = iface->local;
1327
1328 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1329 < 0)
1330 return -EINVAL;
1331
1332 if (!__le16_to_cpu(enable)) {
1333 rrq->disabled = 1;
1334 return 0;
1335 }
1336
1337 rrq->disabled = 0;
1338
1339 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1340 u16 timeout;
1341 if (local->func->get_rid(dev,
1342 HFA384X_RID_CNFPMHOLDOVERDURATION,
1343 &timeout, 2, 1) < 0)
1344 return -EINVAL;
1345
1346 rrq->flags = IW_POWER_TIMEOUT;
1347 rrq->value = __le16_to_cpu(timeout) * 1024;
1348 } else {
1349 u16 period;
1350 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1351 &period, 2, 1) < 0)
1352 return -EINVAL;
1353
1354 rrq->flags = IW_POWER_PERIOD;
1355 rrq->value = __le16_to_cpu(period) * 1024;
1356 }
1357
1358 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1359 2, 1) < 0)
1360 return -EINVAL;
1361
1362 if (__le16_to_cpu(mcast))
1363 rrq->flags |= IW_POWER_ALL_R;
1364 else
1365 rrq->flags |= IW_POWER_UNICAST_R;
1366
1367 return 0;
1368#endif /* PRISM2_NO_STATION_MODES */
1369}
1370
1371
1372static int prism2_ioctl_siwretry(struct net_device *dev,
1373 struct iw_request_info *info,
1374 struct iw_param *rrq, char *extra)
1375{
1376 struct hostap_interface *iface;
1377 local_info_t *local;
1378
1379 iface = netdev_priv(dev);
1380 local = iface->local;
1381
1382 if (rrq->disabled)
1383 return -EINVAL;
1384
1385 /* setting retry limits is not supported with the current station
1386 * firmware code; simulate this with alternative retry count for now */
1387 if (rrq->flags == IW_RETRY_LIMIT) {
1388 if (rrq->value < 0) {
1389 /* disable manual retry count setting and use firmware
1390 * defaults */
1391 local->manual_retry_count = -1;
1392 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1393 } else {
1394 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1395 rrq->value)) {
1396 printk(KERN_DEBUG "%s: Alternate retry count "
1397 "setting to %d failed\n",
1398 dev->name, rrq->value);
1399 return -EOPNOTSUPP;
1400 }
1401
1402 local->manual_retry_count = rrq->value;
1403 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1404 }
1405 return 0;
1406 }
1407
1408 return -EOPNOTSUPP;
1409
1410#if 0
1411 /* what could be done, if firmware would support this.. */
1412
1413 if (rrq->flags & IW_RETRY_LIMIT) {
1414 if (rrq->flags & IW_RETRY_MAX)
1415 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1416 else if (rrq->flags & IW_RETRY_MIN)
1417 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1418 else {
1419 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1420 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1421 }
1422
1423 }
1424
1425 if (rrq->flags & IW_RETRY_LIFETIME) {
1426 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1427 }
1428
1429 return 0;
1430#endif /* 0 */
1431}
1432
1433static int prism2_ioctl_giwretry(struct net_device *dev,
1434 struct iw_request_info *info,
1435 struct iw_param *rrq, char *extra)
1436{
1437 struct hostap_interface *iface;
1438 local_info_t *local;
1439 u16 shortretry, longretry, lifetime, altretry;
1440
1441 iface = netdev_priv(dev);
1442 local = iface->local;
1443
1444 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1445 2, 1) < 0 ||
1446 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1447 2, 1) < 0 ||
1448 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1449 &lifetime, 2, 1) < 0)
1450 return -EINVAL;
1451
1452 le16_to_cpus(&shortretry);
1453 le16_to_cpus(&longretry);
1454 le16_to_cpus(&lifetime);
1455
1456 rrq->disabled = 0;
1457
1458 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1459 rrq->flags = IW_RETRY_LIFETIME;
1460 rrq->value = lifetime * 1024;
1461 } else {
1462 if (local->manual_retry_count >= 0) {
1463 rrq->flags = IW_RETRY_LIMIT;
1464 if (local->func->get_rid(dev,
1465 HFA384X_RID_CNFALTRETRYCOUNT,
1466 &altretry, 2, 1) >= 0)
1467 rrq->value = le16_to_cpu(altretry);
1468 else
1469 rrq->value = local->manual_retry_count;
1470 } else if ((rrq->flags & IW_RETRY_MAX)) {
1471 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1472 rrq->value = longretry;
1473 } else {
1474 rrq->flags = IW_RETRY_LIMIT;
1475 rrq->value = shortretry;
1476 if (shortretry != longretry)
1477 rrq->flags |= IW_RETRY_MIN;
1478 }
1479 }
1480 return 0;
1481}
1482
1483
1484/* Note! This TX power controlling is experimental and should not be used in
1485 * production use. It just sets raw power register and does not use any kind of
1486 * feedback information from the measured TX power (CR58). This is now
1487 * commented out to make sure that it is not used by accident. TX power
1488 * configuration will be enabled again after proper algorithm using feedback
1489 * has been implemented. */
1490
1491#ifdef RAW_TXPOWER_SETTING
1492/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1493 * This version assumes following mapping:
1494 * CR31 is 7-bit value with -64 to +63 range.
1495 * -64 is mapped into +20dBm and +63 into -43dBm.
1496 * This is certainly not an exact mapping for every card, but at least
1497 * increasing dBm value should correspond to increasing TX power.
1498 */
1499
1500static int prism2_txpower_hfa386x_to_dBm(u16 val)
1501{
1502 signed char tmp;
1503
1504 if (val > 255)
1505 val = 255;
1506
1507 tmp = val;
1508 tmp >>= 2;
1509
1510 return -12 - tmp;
1511}
1512
1513static u16 prism2_txpower_dBm_to_hfa386x(int val)
1514{
1515 signed char tmp;
1516
1517 if (val > 20)
1518 return 128;
1519 else if (val < -43)
1520 return 127;
1521
1522 tmp = val;
1523 tmp = -12 - tmp;
1524 tmp <<= 2;
1525
1526 return (unsigned char) tmp;
1527}
1528#endif /* RAW_TXPOWER_SETTING */
1529
1530
1531static int prism2_ioctl_siwtxpow(struct net_device *dev,
1532 struct iw_request_info *info,
1533 struct iw_param *rrq, char *extra)
1534{
1535 struct hostap_interface *iface;
1536 local_info_t *local;
1537#ifdef RAW_TXPOWER_SETTING
1538 char *tmp;
1539#endif
1540 u16 val;
1541 int ret = 0;
1542
1543 iface = netdev_priv(dev);
1544 local = iface->local;
1545
1546 if (rrq->disabled) {
1547 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1548 val = 0xff; /* use all standby and sleep modes */
1549 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1550 HFA386X_CR_A_D_TEST_MODES2,
1551 &val, NULL);
1552 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1553 dev->name, ret ? "failed" : "OK");
1554 local->txpower_type = PRISM2_TXPOWER_OFF;
1555 }
1556 return (ret ? -EOPNOTSUPP : 0);
1557 }
1558
1559 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1560 val = 0; /* disable all standby and sleep modes */
1561 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1562 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1563 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1564 dev->name, ret ? "failed" : "OK");
1565 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1566 }
1567
1568#ifdef RAW_TXPOWER_SETTING
1569 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1570 printk(KERN_DEBUG "Setting ALC on\n");
1571 val = HFA384X_TEST_CFG_BIT_ALC;
1572 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1573 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1574 local->txpower_type = PRISM2_TXPOWER_AUTO;
1575 return 0;
1576 }
1577
1578 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1579 printk(KERN_DEBUG "Setting ALC off\n");
1580 val = HFA384X_TEST_CFG_BIT_ALC;
1581 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1582 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1583 local->txpower_type = PRISM2_TXPOWER_FIXED;
1584 }
1585
1586 if (rrq->flags == IW_TXPOW_DBM)
1587 tmp = "dBm";
1588 else if (rrq->flags == IW_TXPOW_MWATT)
1589 tmp = "mW";
1590 else
1591 tmp = "UNKNOWN";
1592 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1593
1594 if (rrq->flags != IW_TXPOW_DBM) {
1595 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1596 return -EOPNOTSUPP;
1597 }
1598
1599 local->txpower = rrq->value;
1600 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1601 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1602 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1603 ret = -EOPNOTSUPP;
1604#else /* RAW_TXPOWER_SETTING */
1605 if (rrq->fixed)
1606 ret = -EOPNOTSUPP;
1607#endif /* RAW_TXPOWER_SETTING */
1608
1609 return ret;
1610}
1611
1612static int prism2_ioctl_giwtxpow(struct net_device *dev,
1613 struct iw_request_info *info,
1614 struct iw_param *rrq, char *extra)
1615{
1616#ifdef RAW_TXPOWER_SETTING
1617 struct hostap_interface *iface;
1618 local_info_t *local;
1619 u16 resp0;
1620
1621 iface = netdev_priv(dev);
1622 local = iface->local;
1623
1624 rrq->flags = IW_TXPOW_DBM;
1625 rrq->disabled = 0;
1626 rrq->fixed = 0;
1627
1628 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1629 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1630 HFA386X_CR_MANUAL_TX_POWER,
1631 NULL, &resp0) == 0) {
1632 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1633 } else {
1634 /* Could not get real txpower; guess 15 dBm */
1635 rrq->value = 15;
1636 }
1637 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1638 rrq->value = 0;
1639 rrq->disabled = 1;
1640 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1641 rrq->value = local->txpower;
1642 rrq->fixed = 1;
1643 } else {
1644 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1645 local->txpower_type);
1646 }
1647 return 0;
1648#else /* RAW_TXPOWER_SETTING */
1649 return -EOPNOTSUPP;
1650#endif /* RAW_TXPOWER_SETTING */
1651}
1652
1653
1654#ifndef PRISM2_NO_STATION_MODES
1655
1656/* HostScan request works with and without host_roaming mode. In addition, it
1657 * does not break current association. However, it requires newer station
1658 * firmware version (>= 1.3.1) than scan request. */
1659static int prism2_request_hostscan(struct net_device *dev,
1660 u8 *ssid, u8 ssid_len)
1661{
1662 struct hostap_interface *iface;
1663 local_info_t *local;
1664 struct hfa384x_hostscan_request scan_req;
1665
1666 iface = netdev_priv(dev);
1667 local = iface->local;
1668
1669 memset(&scan_req, 0, sizeof(scan_req));
72ca9c61
JM		 1670 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1671 local->scan_channel_mask);
ff1d2767
JM		 1672 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1673 if (ssid) {
1674 if (ssid_len > 32)
1675 return -EINVAL;
1676 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1677 memcpy(scan_req.target_ssid, ssid, ssid_len);
1678 }
1679
1680 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1681 sizeof(scan_req))) {
1682 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1683 return -EINVAL;
1684 }
1685 return 0;
1686}
1687
1688
1689static int prism2_request_scan(struct net_device *dev)
1690{
1691 struct hostap_interface *iface;
1692 local_info_t *local;
1693 struct hfa384x_scan_request scan_req;
1694 int ret = 0;
1695
1696 iface = netdev_priv(dev);
1697 local = iface->local;
1698
1699 memset(&scan_req, 0, sizeof(scan_req));
72ca9c61
JM		 1700 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1701 local->scan_channel_mask);
ff1d2767
JM		 1702 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1703
1704 /* FIX:
1705 * It seems to be enough to set roaming mode for a short moment to
1706 * host-based and then setup scanrequest data and return the mode to
1707 * firmware-based.
1708 *
1709 * Master mode would need to drop to Managed mode for a short while
1710 * to make scanning work.. Or sweep through the different channels and
1711 * use passive scan based on beacons. */
1712
1713 if (!local->host_roaming)
1714 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1715 HFA384X_ROAMING_HOST);
1716
1717 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1718 sizeof(scan_req))) {
1719 printk(KERN_DEBUG "SCANREQUEST failed\n");
1720 ret = -EINVAL;
1721 }
1722
1723 if (!local->host_roaming)
1724 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1725 HFA384X_ROAMING_FIRMWARE);
1726
1727 return 0;
1728}
1729
1730#else /* !PRISM2_NO_STATION_MODES */
1731
1732static inline int prism2_request_hostscan(struct net_device *dev,
1733 u8 *ssid, u8 ssid_len)
1734{
1735 return -EOPNOTSUPP;
1736}
1737
1738
1739static inline int prism2_request_scan(struct net_device *dev)
1740{
1741 return -EOPNOTSUPP;
1742}
1743
1744#endif /* !PRISM2_NO_STATION_MODES */
1745
1746
1747static int prism2_ioctl_siwscan(struct net_device *dev,
1748 struct iw_request_info *info,
1749 struct iw_point *data, char *extra)
1750{
1751 struct hostap_interface *iface;
1752 local_info_t *local;
1753 int ret;
1754 u8 *ssid = NULL, ssid_len = 0;
1755 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1756
1757 iface = netdev_priv(dev);
1758 local = iface->local;
1759
1760 if (data->length < sizeof(struct iw_scan_req))
1761 req = NULL;
1762
1763 if (local->iw_mode == IW_MODE_MASTER) {
1764 /* In master mode, we just return the results of our local
1765 * tables, so we don't need to start anything...
1766 * Jean II */
1767 data->length = 0;
1768 return 0;
1769 }
1770
1771 if (!local->dev_enabled)
1772 return -ENETDOWN;
1773
1774 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1775 ssid = req->essid;
1776 ssid_len = req->essid_len;
1777
1778 if (ssid_len &&
1779 ((local->iw_mode != IW_MODE_INFRA &&
1780 local->iw_mode != IW_MODE_ADHOC) ||
1781 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1782 return -EOPNOTSUPP;
1783 }
1784
1785 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1786 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1787 else
1788 ret = prism2_request_scan(dev);
1789
1790 if (ret == 0)
1791 local->scan_timestamp = jiffies;
1792
1793 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1794
1795 return ret;
1796}
1797
1798
1799#ifndef PRISM2_NO_STATION_MODES
1800static char * __prism2_translate_scan(local_info_t *local,
2e4fd068
JM		 1801 struct hfa384x_hostscan_result *scan,
1802 struct hostap_bss_info *bss,
ff1d2767
JM		 1803 char *current_ev, char *end_buf)
1804{
1805 int i, chan;
1806 struct iw_event iwe;
1807 char *current_val;
1808 u16 capabilities;
1809 u8 *pos;
2e4fd068 1810 u8 *ssid, *bssid;
ff1d2767
JM		 1811 size_t ssid_len;
1812 char *buf;
1813
1814 if (bss) {
1815 ssid = bss->ssid;
1816 ssid_len = bss->ssid_len;
2e4fd068 1817 bssid = bss->bssid;
ff1d2767 1818 } else {
2e4fd068
JM		 1819 ssid = scan->ssid;
1820 ssid_len = le16_to_cpu(scan->ssid_len);
1821 bssid = scan->bssid;
ff1d2767
JM		 1822 }
1823 if (ssid_len > 32)
1824 ssid_len = 32;
1825
1826 /* First entry *MUST* be the AP MAC address */
1827 memset(&iwe, 0, sizeof(iwe));
1828 iwe.cmd = SIOCGIWAP;
1829 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1830 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
ff1d2767
JM		 1831 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1832 IW_EV_ADDR_LEN);
1833
1834 /* Other entries will be displayed in the order we give them */
1835
1836 memset(&iwe, 0, sizeof(iwe));
1837 iwe.cmd = SIOCGIWESSID;
1838 iwe.u.data.length = ssid_len;
1839 iwe.u.data.flags = 1;
ff1d2767
JM		 1840 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
1841
1842 memset(&iwe, 0, sizeof(iwe));
1843 iwe.cmd = SIOCGIWMODE;
1844 if (bss) {
1845 capabilities = bss->capab_info;
1846 } else {
2e4fd068 1847 capabilities = le16_to_cpu(scan->capability);
ff1d2767
JM		 1848 }
1849 if (capabilities & (WLAN_CAPABILITY_ESS |
1850 WLAN_CAPABILITY_IBSS)) {
1851 if (capabilities & WLAN_CAPABILITY_ESS)
1852 iwe.u.mode = IW_MODE_MASTER;
1853 else
1854 iwe.u.mode = IW_MODE_ADHOC;
ff1d2767
JM		 1855 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1856 IW_EV_UINT_LEN);
1857 }
1858
1859 memset(&iwe, 0, sizeof(iwe));
1860 iwe.cmd = SIOCGIWFREQ;
2e4fd068
JM		 1861 if (scan) {
1862 chan = scan->chid;
ff1d2767
JM		 1863 } else if (bss) {
1864 chan = bss->chan;
1865 } else {
1866 chan = 0;
1867 }
1868
1869 if (chan > 0) {
1870 iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
1871 iwe.u.freq.e = 1;
ff1d2767
JM		 1872 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1873 IW_EV_FREQ_LEN);
1874 }
1875
2e4fd068 1876 if (scan) {
ff1d2767
JM		 1877 memset(&iwe, 0, sizeof(iwe));
1878 iwe.cmd = IWEVQUAL;
2e4fd068
JM		 1879 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1880 iwe.u.qual.level = le16_to_cpu(scan->sl);
1881 iwe.u.qual.noise = le16_to_cpu(scan->anl);
ff1d2767
JM		 1882 } else {
1883 iwe.u.qual.level =
1884 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1885 iwe.u.qual.noise =
1886 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1887 }
c28df16e
JT		 1888 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1889 | IW_QUAL_NOISE_UPDATED
1890 | IW_QUAL_QUAL_INVALID
1891 | IW_QUAL_DBM;
ff1d2767
JM		 1892 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1893 IW_EV_QUAL_LEN);
1894 }
1895
1896 memset(&iwe, 0, sizeof(iwe));
1897 iwe.cmd = SIOCGIWENCODE;
1898 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1899 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1900 else
1901 iwe.u.data.flags = IW_ENCODE_DISABLED;
1902 iwe.u.data.length = 0;
ff1d2767
JM		 1903 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
1904
1905 /* TODO: add SuppRates into BSS table */
2e4fd068 1906 if (scan) {
ff1d2767
JM		 1907 memset(&iwe, 0, sizeof(iwe));
1908 iwe.cmd = SIOCGIWRATE;
1909 current_val = current_ev + IW_EV_LCP_LEN;
2e4fd068 1910 pos = scan->sup_rates;
ff1d2767
JM		 1911 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1912 if (pos[i] == 0)
1913 break;
1914 /* Bit rate given in 500 kb/s units (+ 0x80) */
1915 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1916 current_val = iwe_stream_add_value(
1917 current_ev, current_val, end_buf, &iwe,
1918 IW_EV_PARAM_LEN);
1919 }
1920 /* Check if we added any event */
1921 if ((current_val - current_ev) > IW_EV_LCP_LEN)
1922 current_ev = current_val;
1923 }
1924
1925 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
a9d12b9a 1926 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
2e4fd068 1927 if (buf && scan) {
ff1d2767
JM		 1928 memset(&iwe, 0, sizeof(iwe));
1929 iwe.cmd = IWEVCUSTOM;
2e4fd068 1930 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
ff1d2767
JM		 1931 iwe.u.data.length = strlen(buf);
1932 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1933 buf);
1934
1935 memset(&iwe, 0, sizeof(iwe));
1936 iwe.cmd = IWEVCUSTOM;
2e4fd068 1937 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
ff1d2767
JM		 1938 iwe.u.data.length = strlen(buf);
1939 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1940 buf);
1941
2e4fd068
JM		 1942 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1943 (capabilities & WLAN_CAPABILITY_IBSS)) {
ff1d2767
JM		 1944 memset(&iwe, 0, sizeof(iwe));
1945 iwe.cmd = IWEVCUSTOM;
2e4fd068 1946 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
ff1d2767
JM		 1947 iwe.u.data.length = strlen(buf);
1948 current_ev = iwe_stream_add_point(current_ev, end_buf,
1949 &iwe, buf);
1950 }
1951 }
1952 kfree(buf);
1953
1954 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1955 memset(&iwe, 0, sizeof(iwe));
1956 iwe.cmd = IWEVGENIE;
1957 iwe.u.data.length = bss->wpa_ie_len;
1958 current_ev = iwe_stream_add_point(
1959 current_ev, end_buf, &iwe, bss->wpa_ie);
1960 }
1961
1962 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1963 memset(&iwe, 0, sizeof(iwe));
1964 iwe.cmd = IWEVGENIE;
1965 iwe.u.data.length = bss->rsn_ie_len;
1966 current_ev = iwe_stream_add_point(
1967 current_ev, end_buf, &iwe, bss->rsn_ie);
1968 }
1969
1970 return current_ev;
1971}
1972
1973
1974/* Translate scan data returned from the card to a card independant
1975 * format that the Wireless Tools will understand - Jean II */
1976static inline int prism2_translate_scan(local_info_t *local,
1977 char *buffer, int buflen)
1978{
2e4fd068
JM		 1979 struct hfa384x_hostscan_result *scan;
1980 int entry, hostscan;
ff1d2767
JM		 1981 char *current_ev = buffer;
1982 char *end_buf = buffer + buflen;
ff1d2767
JM		 1983 struct list_head *ptr;
1984
1985 spin_lock_bh(&local->lock);
1986
1987 list_for_each(ptr, &local->bss_list) {
1988 struct hostap_bss_info *bss;
1989 bss = list_entry(ptr, struct hostap_bss_info, list);
1990 bss->included = 0;
1991 }
1992
1993 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
2e4fd068 1994 for (entry = 0; entry < local->last_scan_results_count; entry++) {
ff1d2767
JM		 1995 int found = 0;
1996 scan = &local->last_scan_results[entry];
ff1d2767
JM		 1997
1998 /* Report every SSID if the AP is using multiple SSIDs. If no
1999 * BSS record is found (e.g., when WPA mode is disabled),
2000 * report the AP once. */
2001 list_for_each(ptr, &local->bss_list) {
2002 struct hostap_bss_info *bss;
2003 bss = list_entry(ptr, struct hostap_bss_info, list);
2e4fd068 2004 if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
ff1d2767
JM		 2005 bss->included = 1;
2006 current_ev = __prism2_translate_scan(
2e4fd068 2007 local, scan, bss, current_ev, end_buf);
ff1d2767
JM		 2008 found++;
2009 }
2010 }
2011 if (!found) {
2012 current_ev = __prism2_translate_scan(
2e4fd068 2013 local, scan, NULL, current_ev, end_buf);
ff1d2767
JM		 2014 }
2015 /* Check if there is space for one more entry */
2016 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2017 /* Ask user space to try again with a bigger buffer */
2018 spin_unlock_bh(&local->lock);
2019 return -E2BIG;
2020 }
2021 }
2022
2023 /* Prism2 firmware has limits (32 at least in some versions) for number
2024 * of BSSes in scan results. Extend this limit by using local BSS list.
2025 */
2026 list_for_each(ptr, &local->bss_list) {
2027 struct hostap_bss_info *bss;
2028 bss = list_entry(ptr, struct hostap_bss_info, list);
2029 if (bss->included)
2030 continue;
2e4fd068
JM		 2031 current_ev = __prism2_translate_scan(local, NULL, bss,
2032 current_ev, end_buf);
ff1d2767
JM		 2033 /* Check if there is space for one more entry */
2034 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2035 /* Ask user space to try again with a bigger buffer */
2036 spin_unlock_bh(&local->lock);
2037 return -E2BIG;
2038 }
2039 }
2040
2041 spin_unlock_bh(&local->lock);
2042
2043 return current_ev - buffer;
2044}
2045#endif /* PRISM2_NO_STATION_MODES */
2046
2047
2048static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2049 struct iw_request_info *info,
2050 struct iw_point *data, char *extra)
2051{
2052#ifdef PRISM2_NO_STATION_MODES
2053 return -EOPNOTSUPP;
2054#else /* PRISM2_NO_STATION_MODES */
2055 struct hostap_interface *iface;
2056 local_info_t *local;
2057 int res;
2058
2059 iface = netdev_priv(dev);
2060 local = iface->local;
2061
2062 /* Wait until the scan is finished. We can probably do better
2063 * than that - Jean II */
2064 if (local->scan_timestamp &&
2065 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2066 /* Important note : we don't want to block the caller
2067 * until results are ready for various reasons.
2068 * First, managing wait queues is complex and racy
2069 * (there may be multiple simultaneous callers).
2070 * Second, we grab some rtnetlink lock before comming
2071 * here (in dev_ioctl()).
2072 * Third, the caller can wait on the Wireless Event
2073 * - Jean II */
2074 return -EAGAIN;
2075 }
2076 local->scan_timestamp = 0;
2077
2078 res = prism2_translate_scan(local, extra, data->length);
2079
2080 if (res >= 0) {
2081 data->length = res;
2082 return 0;
2083 } else {
2084 data->length = 0;
2085 return res;
2086 }
2087#endif /* PRISM2_NO_STATION_MODES */
2088}
2089
2090
2091static int prism2_ioctl_giwscan(struct net_device *dev,
2092 struct iw_request_info *info,
2093 struct iw_point *data, char *extra)
2094{
2095 struct hostap_interface *iface;
2096 local_info_t *local;
2097 int res;
2098
2099 iface = netdev_priv(dev);
2100 local = iface->local;
2101
2102 if (local->iw_mode == IW_MODE_MASTER) {
2103 /* In MASTER mode, it doesn't make sense to go around
2104 * scanning the frequencies and make the stations we serve
2105 * wait when what the user is really interested about is the
2106 * list of stations and access points we are talking to.
2107 * So, just extract results from our cache...
2108 * Jean II */
2109
2110 /* Translate to WE format */
2111 res = prism2_ap_translate_scan(dev, extra);
2112 if (res >= 0) {
2113 printk(KERN_DEBUG "Scan result translation succeeded "
2114 "(length=%d)\n", res);
2115 data->length = res;
2116 return 0;
2117 } else {
2118 printk(KERN_DEBUG
2119 "Scan result translation failed (res=%d)\n",
2120 res);
2121 data->length = 0;
2122 return res;
2123 }
2124 } else {
2125 /* Station mode */
2126 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2127 }
2128}
2129
2130
2131static const struct iw_priv_args prism2_priv[] = {
2132 { PRISM2_IOCTL_MONITOR,
2133 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2134 { PRISM2_IOCTL_READMIF,
2135 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2136 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2137 { PRISM2_IOCTL_WRITEMIF,
2138 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2139 { PRISM2_IOCTL_RESET,
2140 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2141 { PRISM2_IOCTL_INQUIRE,
2142 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2143 { PRISM2_IOCTL_SET_RID_WORD,
2144 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2145 { PRISM2_IOCTL_MACCMD,
2146 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2147 { PRISM2_IOCTL_WDS_ADD,
2148 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2149 { PRISM2_IOCTL_WDS_DEL,
2150 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2151 { PRISM2_IOCTL_ADDMAC,
2152 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2153 { PRISM2_IOCTL_DELMAC,
2154 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2155 { PRISM2_IOCTL_KICKMAC,
2156 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2157 /* --- raw access to sub-ioctls --- */
2158 { PRISM2_IOCTL_PRISM2_PARAM,
2159 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2160 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2161 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2162 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2163 /* --- sub-ioctls handlers --- */
2164 { PRISM2_IOCTL_PRISM2_PARAM,
2165 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2166 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2167 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2168 /* --- sub-ioctls definitions --- */
2169 { PRISM2_PARAM_TXRATECTRL,
2170 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2171 { PRISM2_PARAM_TXRATECTRL,
2172 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2173 { PRISM2_PARAM_BEACON_INT,
2174 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2175 { PRISM2_PARAM_BEACON_INT,
2176 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2177#ifndef PRISM2_NO_STATION_MODES
2178 { PRISM2_PARAM_PSEUDO_IBSS,
2179 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2180 { PRISM2_PARAM_PSEUDO_IBSS,
2181 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2182#endif /* PRISM2_NO_STATION_MODES */
2183 { PRISM2_PARAM_ALC,
2184 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2185 { PRISM2_PARAM_ALC,
2186 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2187 { PRISM2_PARAM_DUMP,
2188 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2189 { PRISM2_PARAM_DUMP,
2190 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2191 { PRISM2_PARAM_OTHER_AP_POLICY,
2192 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2193 { PRISM2_PARAM_OTHER_AP_POLICY,
2194 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2195 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2196 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2197 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2198 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2199 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2200 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2201 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2202 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2203 { PRISM2_PARAM_DTIM_PERIOD,
2204 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2205 { PRISM2_PARAM_DTIM_PERIOD,
2206 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2207 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2208 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2209 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2210 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2211 { PRISM2_PARAM_MAX_WDS,
2212 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2213 { PRISM2_PARAM_MAX_WDS,
2214 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2215 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2216 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2217 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2218 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2219 { PRISM2_PARAM_AP_AUTH_ALGS,
2220 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2221 { PRISM2_PARAM_AP_AUTH_ALGS,
2222 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2223 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2224 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2225 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2226 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2227 { PRISM2_PARAM_HOST_ENCRYPT,
2228 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2229 { PRISM2_PARAM_HOST_ENCRYPT,
2230 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2231 { PRISM2_PARAM_HOST_DECRYPT,
2232 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2233 { PRISM2_PARAM_HOST_DECRYPT,
2234 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
ff1d2767
JM		 2235#ifndef PRISM2_NO_STATION_MODES
2236 { PRISM2_PARAM_HOST_ROAMING,
2237 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2238 { PRISM2_PARAM_HOST_ROAMING,
2239 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2240#endif /* PRISM2_NO_STATION_MODES */
2241 { PRISM2_PARAM_BCRX_STA_KEY,
2242 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2243 { PRISM2_PARAM_BCRX_STA_KEY,
2244 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2245 { PRISM2_PARAM_IEEE_802_1X,
2246 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2247 { PRISM2_PARAM_IEEE_802_1X,
2248 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2249 { PRISM2_PARAM_ANTSEL_TX,
2250 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2251 { PRISM2_PARAM_ANTSEL_TX,
2252 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2253 { PRISM2_PARAM_ANTSEL_RX,
2254 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2255 { PRISM2_PARAM_ANTSEL_RX,
2256 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2257 { PRISM2_PARAM_MONITOR_TYPE,
2258 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2259 { PRISM2_PARAM_MONITOR_TYPE,
2260 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2261 { PRISM2_PARAM_WDS_TYPE,
2262 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2263 { PRISM2_PARAM_WDS_TYPE,
2264 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2265 { PRISM2_PARAM_HOSTSCAN,
2266 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2267 { PRISM2_PARAM_HOSTSCAN,
2268 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2269 { PRISM2_PARAM_AP_SCAN,
2270 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2271 { PRISM2_PARAM_AP_SCAN,
2272 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2273 { PRISM2_PARAM_ENH_SEC,
2274 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2275 { PRISM2_PARAM_ENH_SEC,
2276 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2277#ifdef PRISM2_IO_DEBUG
2278 { PRISM2_PARAM_IO_DEBUG,
2279 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2280 { PRISM2_PARAM_IO_DEBUG,
2281 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2282#endif /* PRISM2_IO_DEBUG */
2283 { PRISM2_PARAM_BASIC_RATES,
2284 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2285 { PRISM2_PARAM_BASIC_RATES,
2286 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2287 { PRISM2_PARAM_OPER_RATES,
2288 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2289 { PRISM2_PARAM_OPER_RATES,
2290 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2291 { PRISM2_PARAM_HOSTAPD,
2292 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2293 { PRISM2_PARAM_HOSTAPD,
2294 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2295 { PRISM2_PARAM_HOSTAPD_STA,
2296 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2297 { PRISM2_PARAM_HOSTAPD_STA,
2298 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2299 { PRISM2_PARAM_WPA,
2300 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2301 { PRISM2_PARAM_WPA,
2302 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2303 { PRISM2_PARAM_PRIVACY_INVOKED,
2304 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2305 { PRISM2_PARAM_PRIVACY_INVOKED,
2306 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2307 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2308 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2309 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2310 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2311 { PRISM2_PARAM_DROP_UNENCRYPTED,
2312 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2313 { PRISM2_PARAM_DROP_UNENCRYPTED,
2314 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
72ca9c61
JM		 2315 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2316 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2317 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2318 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
ff1d2767
JM		 2319};
2320
2321
2322static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2323{
2324 struct hostap_interface *iface;
2325 local_info_t *local;
2326
2327 iface = netdev_priv(dev);
2328 local = iface->local;
2329
2330 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2331 return -EOPNOTSUPP;
2332
2333 return 0;
2334}
2335
2336
2337static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2338 struct iw_request_info *info,
2339 void *wrqu, char *extra)
2340{
2341 struct hostap_interface *iface;
2342 local_info_t *local;
2343 int *i = (int *) extra;
2344 int param = *i;
2345 int value = *(i + 1);
2346 int ret = 0;
2347 u16 val;
2348
2349 iface = netdev_priv(dev);
2350 local = iface->local;
2351
2352 switch (param) {
2353 case PRISM2_PARAM_TXRATECTRL:
2354 local->fw_tx_rate_control = value;
2355 break;
2356
2357 case PRISM2_PARAM_BEACON_INT:
2358 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2359 local->func->reset_port(dev))
2360 ret = -EINVAL;
2361 else
2362 local->beacon_int = value;
2363 break;
2364
2365#ifndef PRISM2_NO_STATION_MODES
2366 case PRISM2_PARAM_PSEUDO_IBSS:
2367 if (value == local->pseudo_adhoc)
2368 break;
2369
2370 if (value != 0 && value != 1) {
2371 ret = -EINVAL;
2372 break;
2373 }
2374
2375 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2376 dev->name, local->pseudo_adhoc, value);
2377 local->pseudo_adhoc = value;
2378 if (local->iw_mode != IW_MODE_ADHOC)
2379 break;
2380
2381 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2382 hostap_get_porttype(local))) {
2383 ret = -EOPNOTSUPP;
2384 break;
2385 }
2386
2387 if (local->func->reset_port(dev))
2388 ret = -EINVAL;
2389 break;
2390#endif /* PRISM2_NO_STATION_MODES */
2391
2392 case PRISM2_PARAM_ALC:
2393 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2394 value == 0 ? "Disabling" : "Enabling");
2395 val = HFA384X_TEST_CFG_BIT_ALC;
2396 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2397 (HFA384X_TEST_CFG_BITS << 8),
2398 value == 0 ? 0 : 1, &val, NULL);
2399 break;
2400
2401 case PRISM2_PARAM_DUMP:
2402 local->frame_dump = value;
2403 break;
2404
2405 case PRISM2_PARAM_OTHER_AP_POLICY:
2406 if (value < 0 || value > 3) {
2407 ret = -EINVAL;
2408 break;
2409 }
2410 if (local->ap != NULL)
2411 local->ap->ap_policy = value;
2412 break;
2413
2414 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2415 if (value < 0 || value > 7 * 24 * 60 * 60) {
2416 ret = -EINVAL;
2417 break;
2418 }
2419 if (local->ap != NULL)
2420 local->ap->max_inactivity = value * HZ;
2421 break;
2422
2423 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2424 if (local->ap != NULL)
2425 local->ap->bridge_packets = value;
2426 break;
2427
2428 case PRISM2_PARAM_DTIM_PERIOD:
2429 if (value < 0 || value > 65535) {
2430 ret = -EINVAL;
2431 break;
2432 }
2433 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2434 || local->func->reset_port(dev))
2435 ret = -EINVAL;
2436 else
2437 local->dtim_period = value;
2438 break;
2439
2440 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2441 if (local->ap != NULL)
2442 local->ap->nullfunc_ack = value;
2443 break;
2444
2445 case PRISM2_PARAM_MAX_WDS:
2446 local->wds_max_connections = value;
2447 break;
2448
2449 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2450 if (local->ap != NULL) {
2451 if (!local->ap->autom_ap_wds && value) {
2452 /* add WDS link to all APs in STA table */
2453 hostap_add_wds_links(local);
2454 }
2455 local->ap->autom_ap_wds = value;
2456 }
2457 break;
2458
2459 case PRISM2_PARAM_AP_AUTH_ALGS:
2460 local->auth_algs = value;
2461 if (hostap_set_auth_algs(local))
2462 ret = -EINVAL;
2463 break;
2464
2465 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2466 local->monitor_allow_fcserr = value;
2467 break;
2468
2469 case PRISM2_PARAM_HOST_ENCRYPT:
2470 local->host_encrypt = value;
2471 if (hostap_set_encryption(local) ||
2472 local->func->reset_port(dev))
2473 ret = -EINVAL;
2474 break;
2475
2476 case PRISM2_PARAM_HOST_DECRYPT:
2477 local->host_decrypt = value;
2478 if (hostap_set_encryption(local) ||
2479 local->func->reset_port(dev))
2480 ret = -EINVAL;
2481 break;
2482
ff1d2767
JM		 2483#ifndef PRISM2_NO_STATION_MODES
2484 case PRISM2_PARAM_HOST_ROAMING:
2485 if (value < 0 || value > 2) {
2486 ret = -EINVAL;
2487 break;
2488 }
2489 local->host_roaming = value;
2490 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2491 ret = -EINVAL;
2492 break;
2493#endif /* PRISM2_NO_STATION_MODES */
2494
2495 case PRISM2_PARAM_BCRX_STA_KEY:
2496 local->bcrx_sta_key = value;
2497 break;
2498
2499 case PRISM2_PARAM_IEEE_802_1X:
2500 local->ieee_802_1x = value;
2501 break;
2502
2503 case PRISM2_PARAM_ANTSEL_TX:
2504 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2505 ret = -EINVAL;
2506 break;
2507 }
2508 local->antsel_tx = value;
2509 hostap_set_antsel(local);
2510 break;
2511
2512 case PRISM2_PARAM_ANTSEL_RX:
2513 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2514 ret = -EINVAL;
2515 break;
2516 }
2517 local->antsel_rx = value;
2518 hostap_set_antsel(local);
2519 break;
2520
2521 case PRISM2_PARAM_MONITOR_TYPE:
2522 if (value != PRISM2_MONITOR_80211 &&
2523 value != PRISM2_MONITOR_CAPHDR &&
2524 value != PRISM2_MONITOR_PRISM) {
2525 ret = -EINVAL;
2526 break;
2527 }
2528 local->monitor_type = value;
2529 if (local->iw_mode == IW_MODE_MONITOR)
2530 hostap_monitor_set_type(local);
2531 break;
2532
2533 case PRISM2_PARAM_WDS_TYPE:
2534 local->wds_type = value;
2535 break;
2536
2537 case PRISM2_PARAM_HOSTSCAN:
2538 {
2539 struct hfa384x_hostscan_request scan_req;
2540 u16 rate;
2541
2542 memset(&scan_req, 0, sizeof(scan_req));
2543 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
2544 switch (value) {
2545 case 1: rate = HFA384X_RATES_1MBPS; break;
2546 case 2: rate = HFA384X_RATES_2MBPS; break;
2547 case 3: rate = HFA384X_RATES_5MBPS; break;
2548 case 4: rate = HFA384X_RATES_11MBPS; break;
2549 default: rate = HFA384X_RATES_1MBPS; break;
2550 }
2551 scan_req.txrate = cpu_to_le16(rate);
2552 /* leave SSID empty to accept all SSIDs */
2553
2554 if (local->iw_mode == IW_MODE_MASTER) {
2555 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2556 HFA384X_PORTTYPE_BSS) ||
2557 local->func->reset_port(dev))
2558 printk(KERN_DEBUG "Leaving Host AP mode "
2559 "for HostScan failed\n");
2560 }
2561
2562 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2563 sizeof(scan_req))) {
2564 printk(KERN_DEBUG "HOSTSCAN failed\n");
2565 ret = -EINVAL;
2566 }
2567 if (local->iw_mode == IW_MODE_MASTER) {
2568 wait_queue_t __wait;
2569 init_waitqueue_entry(&__wait, current);
2570 add_wait_queue(&local->hostscan_wq, &__wait);
2571 set_current_state(TASK_INTERRUPTIBLE);
2572 schedule_timeout(HZ);
2573 if (signal_pending(current))
2574 ret = -EINTR;
2575 set_current_state(TASK_RUNNING);
2576 remove_wait_queue(&local->hostscan_wq, &__wait);
2577
2578 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2579 HFA384X_PORTTYPE_HOSTAP) ||
2580 local->func->reset_port(dev))
2581 printk(KERN_DEBUG "Returning to Host AP mode "
2582 "after HostScan failed\n");
2583 }
2584 break;
2585 }
2586
2587 case PRISM2_PARAM_AP_SCAN:
2588 local->passive_scan_interval = value;
2589 if (timer_pending(&local->passive_scan_timer))
2590 del_timer(&local->passive_scan_timer);
2591 if (value > 0) {
2592 local->passive_scan_timer.expires = jiffies +
2593 local->passive_scan_interval * HZ;
2594 add_timer(&local->passive_scan_timer);
2595 }
2596 break;
2597
2598 case PRISM2_PARAM_ENH_SEC:
2599 if (value < 0 || value > 3) {
2600 ret = -EINVAL;
2601 break;
2602 }
2603 local->enh_sec = value;
2604 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2605 local->enh_sec) ||
2606 local->func->reset_port(dev)) {
2607 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2608 "1.6.3 or newer\n", dev->name);
2609 ret = -EOPNOTSUPP;
2610 }
2611 break;
2612
2613#ifdef PRISM2_IO_DEBUG
2614 case PRISM2_PARAM_IO_DEBUG:
2615 local->io_debug_enabled = value;
2616 break;
2617#endif /* PRISM2_IO_DEBUG */
2618
2619 case PRISM2_PARAM_BASIC_RATES:
2620 if ((value & local->tx_rate_control) != value || value == 0) {
2621 printk(KERN_INFO "%s: invalid basic rate set - basic "
2622 "rates must be in supported rate set\n",
2623 dev->name);
2624 ret = -EINVAL;
2625 break;
2626 }
2627 local->basic_rates = value;
2628 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2629 local->basic_rates) ||
2630 local->func->reset_port(dev))
2631 ret = -EINVAL;
2632 break;
2633
2634 case PRISM2_PARAM_OPER_RATES:
2635 local->tx_rate_control = value;
2636 if (hostap_set_rate(dev))
2637 ret = -EINVAL;
2638 break;
2639
2640 case PRISM2_PARAM_HOSTAPD:
2641 ret = hostap_set_hostapd(local, value, 1);
2642 break;
2643
2644 case PRISM2_PARAM_HOSTAPD_STA:
2645 ret = hostap_set_hostapd_sta(local, value, 1);
2646 break;
2647
2648 case PRISM2_PARAM_WPA:
2649 local->wpa = value;
2650 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2651 ret = -EOPNOTSUPP;
2652 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2653 value ? 1 : 0))
2654 ret = -EINVAL;
2655 break;
2656
2657 case PRISM2_PARAM_PRIVACY_INVOKED:
2658 local->privacy_invoked = value;
2659 if (hostap_set_encryption(local) ||
2660 local->func->reset_port(dev))
2661 ret = -EINVAL;
2662 break;
2663
2664 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2665 local->tkip_countermeasures = value;
2666 break;
2667
2668 case PRISM2_PARAM_DROP_UNENCRYPTED:
2669 local->drop_unencrypted = value;
2670 break;
2671
72ca9c61
JM		 2672 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2673 local->scan_channel_mask = value;
2674 break;
2675
ff1d2767
JM		 2676 default:
2677 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2678 dev->name, param);
2679 ret = -EOPNOTSUPP;
2680 break;
2681 }
2682
2683 return ret;
2684}
2685
2686
2687static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2688 struct iw_request_info *info,
2689 void *wrqu, char *extra)
2690{
2691 struct hostap_interface *iface;
2692 local_info_t *local;
2693 int *param = (int *) extra;
2694 int ret = 0;
2695
2696 iface = netdev_priv(dev);
2697 local = iface->local;
2698
2699 switch (*param) {
2700 case PRISM2_PARAM_TXRATECTRL:
2701 *param = local->fw_tx_rate_control;
2702 break;
2703
2704 case PRISM2_PARAM_BEACON_INT:
2705 *param = local->beacon_int;
2706 break;
2707
2708 case PRISM2_PARAM_PSEUDO_IBSS:
2709 *param = local->pseudo_adhoc;
2710 break;
2711
2712 case PRISM2_PARAM_ALC:
2713 ret = -EOPNOTSUPP; /* FIX */
2714 break;
2715
2716 case PRISM2_PARAM_DUMP:
2717 *param = local->frame_dump;
2718 break;
2719
2720 case PRISM2_PARAM_OTHER_AP_POLICY:
2721 if (local->ap != NULL)
2722 *param = local->ap->ap_policy;
2723 else
2724 ret = -EOPNOTSUPP;
2725 break;
2726
2727 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2728 if (local->ap != NULL)
2729 *param = local->ap->max_inactivity / HZ;
2730 else
2731 ret = -EOPNOTSUPP;
2732 break;
2733
2734 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2735 if (local->ap != NULL)
2736 *param = local->ap->bridge_packets;
2737 else
2738 ret = -EOPNOTSUPP;
2739 break;
2740
2741 case PRISM2_PARAM_DTIM_PERIOD:
2742 *param = local->dtim_period;
2743 break;
2744
2745 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2746 if (local->ap != NULL)
2747 *param = local->ap->nullfunc_ack;
2748 else
2749 ret = -EOPNOTSUPP;
2750 break;
2751
2752 case PRISM2_PARAM_MAX_WDS:
2753 *param = local->wds_max_connections;
2754 break;
2755
2756 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2757 if (local->ap != NULL)
2758 *param = local->ap->autom_ap_wds;
2759 else
2760 ret = -EOPNOTSUPP;
2761 break;
2762
2763 case PRISM2_PARAM_AP_AUTH_ALGS:
2764 *param = local->auth_algs;
2765 break;
2766
2767 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2768 *param = local->monitor_allow_fcserr;
2769 break;
2770
2771 case PRISM2_PARAM_HOST_ENCRYPT:
2772 *param = local->host_encrypt;
2773 break;
2774
2775 case PRISM2_PARAM_HOST_DECRYPT:
2776 *param = local->host_decrypt;
2777 break;
2778
ff1d2767
JM		 2779 case PRISM2_PARAM_HOST_ROAMING:
2780 *param = local->host_roaming;
2781 break;
2782
2783 case PRISM2_PARAM_BCRX_STA_KEY:
2784 *param = local->bcrx_sta_key;
2785 break;
2786
2787 case PRISM2_PARAM_IEEE_802_1X:
2788 *param = local->ieee_802_1x;
2789 break;
2790
2791 case PRISM2_PARAM_ANTSEL_TX:
2792 *param = local->antsel_tx;
2793 break;
2794
2795 case PRISM2_PARAM_ANTSEL_RX:
2796 *param = local->antsel_rx;
2797 break;
2798
2799 case PRISM2_PARAM_MONITOR_TYPE:
2800 *param = local->monitor_type;
2801 break;
2802
2803 case PRISM2_PARAM_WDS_TYPE:
2804 *param = local->wds_type;
2805 break;
2806
2807 case PRISM2_PARAM_HOSTSCAN:
2808 ret = -EOPNOTSUPP;
2809 break;
2810
2811 case PRISM2_PARAM_AP_SCAN:
2812 *param = local->passive_scan_interval;
2813 break;
2814
2815 case PRISM2_PARAM_ENH_SEC:
2816 *param = local->enh_sec;
2817 break;
2818
2819#ifdef PRISM2_IO_DEBUG
2820 case PRISM2_PARAM_IO_DEBUG:
2821 *param = local->io_debug_enabled;
2822 break;
2823#endif /* PRISM2_IO_DEBUG */
2824
2825 case PRISM2_PARAM_BASIC_RATES:
2826 *param = local->basic_rates;
2827 break;
2828
2829 case PRISM2_PARAM_OPER_RATES:
2830 *param = local->tx_rate_control;
2831 break;
2832
2833 case PRISM2_PARAM_HOSTAPD:
2834 *param = local->hostapd;
2835 break;
2836
2837 case PRISM2_PARAM_HOSTAPD_STA:
2838 *param = local->hostapd_sta;
2839 break;
2840
2841 case PRISM2_PARAM_WPA:
2842 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2843 ret = -EOPNOTSUPP;
2844 *param = local->wpa;
2845 break;
2846
2847 case PRISM2_PARAM_PRIVACY_INVOKED:
2848 *param = local->privacy_invoked;
2849 break;
2850
2851 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2852 *param = local->tkip_countermeasures;
2853 break;
2854
2855 case PRISM2_PARAM_DROP_UNENCRYPTED:
2856 *param = local->drop_unencrypted;
2857 break;
2858
72ca9c61
JM		 2859 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2860 *param = local->scan_channel_mask;
2861 break;
2862
ff1d2767
JM		 2863 default:
2864 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2865 dev->name, *param);
2866 ret = -EOPNOTSUPP;
2867 break;
2868 }
2869
2870 return ret;
2871}
2872
2873
2874static int prism2_ioctl_priv_readmif(struct net_device *dev,
2875 struct iw_request_info *info,
2876 void *wrqu, char *extra)
2877{
2878 struct hostap_interface *iface;
2879 local_info_t *local;
2880 u16 resp0;
2881
2882 iface = netdev_priv(dev);
2883 local = iface->local;
2884
2885 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2886 &resp0))
2887 return -EOPNOTSUPP;
2888 else
2889 *extra = resp0;
2890
2891 return 0;
2892}
2893
2894
2895static int prism2_ioctl_priv_writemif(struct net_device *dev,
2896 struct iw_request_info *info,
2897 void *wrqu, char *extra)
2898{
2899 struct hostap_interface *iface;
2900 local_info_t *local;
2901 u16 cr, val;
2902
2903 iface = netdev_priv(dev);
2904 local = iface->local;
2905
2906 cr = *extra;
2907 val = *(extra + 1);
2908 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2909 return -EOPNOTSUPP;
2910
2911 return 0;
2912}
2913
2914
2915static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2916{
2917 struct hostap_interface *iface;
2918 local_info_t *local;
2919 int ret = 0;
2920 u32 mode;
2921
2922 iface = netdev_priv(dev);
2923 local = iface->local;
2924
2925 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2926 "- update software to use iwconfig mode monitor\n",
2927 dev->name, current->pid, current->comm);
2928
2929 /* Backward compatibility code - this can be removed at some point */
2930
2931 if (*i == 0) {
2932 /* Disable monitor mode - old mode was not saved, so go to
2933 * Master mode */
2934 mode = IW_MODE_MASTER;
2935 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2936 } else if (*i == 1) {
2937 /* netlink socket mode is not supported anymore since it did
2938 * not separate different devices from each other and was not
2939 * best method for delivering large amount of packets to
2940 * user space */
2941 ret = -EOPNOTSUPP;
2942 } else if (*i == 2 || *i == 3) {
2943 switch (*i) {
2944 case 2:
2945 local->monitor_type = PRISM2_MONITOR_80211;
2946 break;
2947 case 3:
2948 local->monitor_type = PRISM2_MONITOR_PRISM;
2949 break;
2950 }
2951 mode = IW_MODE_MONITOR;
2952 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2953 hostap_monitor_mode_enable(local);
2954 } else
2955 ret = -EINVAL;
2956
2957 return ret;
2958}
2959
2960
2961static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2962{
2963 struct hostap_interface *iface;
2964 local_info_t *local;
2965
2966 iface = netdev_priv(dev);
2967 local = iface->local;
2968
2969 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2970 switch (*i) {
2971 case 0:
2972 /* Disable and enable card */
2973 local->func->hw_shutdown(dev, 1);
2974 local->func->hw_config(dev, 0);
2975 break;
2976
2977 case 1:
2978 /* COR sreset */
2979 local->func->hw_reset(dev);
2980 break;
2981
2982 case 2:
2983 /* Disable and enable port 0 */
2984 local->func->reset_port(dev);
2985 break;
2986
2987 case 3:
2988 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2989 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2990 NULL))
2991 return -EINVAL;
2992 break;
2993
2994 case 4:
2995 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2996 NULL))
2997 return -EINVAL;
2998 break;
2999
3000 default:
3001 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
3002 return -EOPNOTSUPP;
3003 }
3004
3005 return 0;
3006}
3007
3008
3009static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
3010{
3011 int rid = *i;
3012 int value = *(i + 1);
3013
3014 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
3015
3016 if (hostap_set_word(dev, rid, value))
3017 return -EINVAL;
3018
3019 return 0;
3020}
3021
3022
3023#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3024static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3025{
3026 int ret = 0;
3027
3028 switch (*cmd) {
3029 case AP_MAC_CMD_POLICY_OPEN:
3030 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3031 break;
3032 case AP_MAC_CMD_POLICY_ALLOW:
3033 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3034 break;
3035 case AP_MAC_CMD_POLICY_DENY:
3036 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3037 break;
3038 case AP_MAC_CMD_FLUSH:
3039 ap_control_flush_macs(&local->ap->mac_restrictions);
3040 break;
3041 case AP_MAC_CMD_KICKALL:
3042 ap_control_kickall(local->ap);
3043 hostap_deauth_all_stas(local->dev, local->ap, 0);
3044 break;
3045 default:
3046 ret = -EOPNOTSUPP;
3047 break;
3048 }
3049
3050 return ret;
3051}
3052#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3053
3054
3055#ifdef PRISM2_DOWNLOAD_SUPPORT
3056static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3057{
3058 struct prism2_download_param *param;
3059 int ret = 0;
3060
3061 if (p->length < sizeof(struct prism2_download_param) ||
3062 p->length > 1024 || !p->pointer)
3063 return -EINVAL;
3064
3065 param = (struct prism2_download_param *)
3066 kmalloc(p->length, GFP_KERNEL);
3067 if (param == NULL)
3068 return -ENOMEM;
3069
3070 if (copy_from_user(param, p->pointer, p->length)) {
3071 ret = -EFAULT;
3072 goto out;
3073 }
3074
3075 if (p->length < sizeof(struct prism2_download_param) +
3076 param->num_areas * sizeof(struct prism2_download_area)) {
3077 ret = -EINVAL;
3078 goto out;
3079 }
3080
3081 ret = local->func->download(local, param);
3082
3083 out:
3084 if (param != NULL)
3085 kfree(param);
3086
3087 return ret;
3088}
3089#endif /* PRISM2_DOWNLOAD_SUPPORT */
3090
3091
3092static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3093 size_t len)
3094{
3095 struct hostap_interface *iface = dev->priv;
3096 local_info_t *local = iface->local;
3097 u8 *buf;
3098
3099 /*
3100 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3101 * includes it.
3102 */
3103 buf = kmalloc(len + 2, GFP_KERNEL);
3104 if (buf == NULL)
3105 return -ENOMEM;
3106
3107 *((u16 *) buf) = cpu_to_le16(len);
3108 memcpy(buf + 2, elem, len);
3109
3110 kfree(local->generic_elem);
3111 local->generic_elem = buf;
3112 local->generic_elem_len = len + 2;
3113
3114 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3115 buf, len + 2);
3116}
3117
3118
3119static int prism2_ioctl_siwauth(struct net_device *dev,
3120 struct iw_request_info *info,
3121 struct iw_param *data, char *extra)
3122{
3123 struct hostap_interface *iface = dev->priv;
3124 local_info_t *local = iface->local;
3125
3126 switch (data->flags & IW_AUTH_INDEX) {
3127 case IW_AUTH_WPA_VERSION:
3128 case IW_AUTH_CIPHER_PAIRWISE:
3129 case IW_AUTH_CIPHER_GROUP:
3130 case IW_AUTH_KEY_MGMT:
3131 /*
3132 * Host AP driver does not use these parameters and allows
3133 * wpa_supplicant to control them internally.
3134 */
3135 break;
3136 case IW_AUTH_TKIP_COUNTERMEASURES:
3137 local->tkip_countermeasures = data->value;
3138 break;
3139 case IW_AUTH_DROP_UNENCRYPTED:
3140 local->drop_unencrypted = data->value;
3141 break;
3142 case IW_AUTH_80211_AUTH_ALG:
3143 local->auth_algs = data->value;
3144 break;
3145 case IW_AUTH_WPA_ENABLED:
3146 if (data->value == 0) {
3147 local->wpa = 0;
3148 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3149 break;
3150 prism2_set_genericelement(dev, "", 0);
3151 local->host_roaming = 0;
3152 local->privacy_invoked = 0;
3153 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3154 0) ||
3155 hostap_set_roaming(local) ||
3156 hostap_set_encryption(local) ||
3157 local->func->reset_port(dev))
3158 return -EINVAL;
3159 break;
3160 }
3161 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3162 return -EOPNOTSUPP;
3163 local->host_roaming = 2;
3164 local->privacy_invoked = 1;
3165 local->wpa = 1;
3166 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3167 hostap_set_roaming(local) ||
3168 hostap_set_encryption(local) ||
3169 local->func->reset_port(dev))
3170 return -EINVAL;
3171 break;
3172 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3173 local->ieee_802_1x = data->value;
3174 break;
3175 case IW_AUTH_PRIVACY_INVOKED:
3176 local->privacy_invoked = data->value;
3177 break;
3178 default:
3179 return -EOPNOTSUPP;
3180 }
3181 return 0;
3182}
3183
3184
3185static int prism2_ioctl_giwauth(struct net_device *dev,
3186 struct iw_request_info *info,
3187 struct iw_param *data, char *extra)
3188{
3189 struct hostap_interface *iface = dev->priv;
3190 local_info_t *local = iface->local;
3191
3192 switch (data->flags & IW_AUTH_INDEX) {
3193 case IW_AUTH_WPA_VERSION:
3194 case IW_AUTH_CIPHER_PAIRWISE:
3195 case IW_AUTH_CIPHER_GROUP:
3196 case IW_AUTH_KEY_MGMT:
3197 /*
3198 * Host AP driver does not use these parameters and allows
3199 * wpa_supplicant to control them internally.
3200 */
3201 return -EOPNOTSUPP;
3202 case IW_AUTH_TKIP_COUNTERMEASURES:
3203 data->value = local->tkip_countermeasures;
3204 break;
3205 case IW_AUTH_DROP_UNENCRYPTED:
3206 data->value = local->drop_unencrypted;
3207 break;
3208 case IW_AUTH_80211_AUTH_ALG:
3209 data->value = local->auth_algs;
3210 break;
3211 case IW_AUTH_WPA_ENABLED:
3212 data->value = local->wpa;
3213 break;
3214 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3215 data->value = local->ieee_802_1x;
3216 break;
3217 default:
3218 return -EOPNOTSUPP;
3219 }
3220 return 0;
3221}
3222
3223
3224static int prism2_ioctl_siwencodeext(struct net_device *dev,
3225 struct iw_request_info *info,
3226 struct iw_point *erq, char *extra)
3227{
3228 struct hostap_interface *iface = dev->priv;
3229 local_info_t *local = iface->local;
3230 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3231 int i, ret = 0;
62fe7e37
JM		 3232 struct ieee80211_crypto_ops *ops;
3233 struct ieee80211_crypt_data **crypt;
ff1d2767
JM		 3234 void *sta_ptr;
3235 u8 *addr;
3236 const char *alg, *module;
3237
3238 i = erq->flags & IW_ENCODE_INDEX;
3239 if (i > WEP_KEYS)
3240 return -EINVAL;
3241 if (i < 1 || i > WEP_KEYS)
3242 i = local->tx_keyidx;
3243 else
3244 i--;
3245 if (i < 0 || i >= WEP_KEYS)
3246 return -EINVAL;
3247
3248 addr = ext->addr.sa_data;
3249 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3250 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3251 sta_ptr = NULL;
3252 crypt = &local->crypt[i];
3253 } else {
3254 if (i != 0)
3255 return -EINVAL;
3256 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3257 if (sta_ptr == NULL) {
3258 if (local->iw_mode == IW_MODE_INFRA) {
3259 /*
3260 * TODO: add STA entry for the current AP so
3261 * that unicast key can be used. For now, this
3262 * is emulated by using default key idx 0.
3263 */
3264 i = 0;
3265 crypt = &local->crypt[i];
3266 } else
3267 return -EINVAL;
3268 }
3269 }
3270
3271 if ((erq->flags & IW_ENCODE_DISABLED) ||
3272 ext->alg == IW_ENCODE_ALG_NONE) {
3273 if (*crypt)
3274 prism2_crypt_delayed_deinit(local, crypt);
3275 goto done;
3276 }
3277
3278 switch (ext->alg) {
3279 case IW_ENCODE_ALG_WEP:
3280 alg = "WEP";
62fe7e37 3281 module = "ieee80211_crypt_wep";
ff1d2767
JM		 3282 break;
3283 case IW_ENCODE_ALG_TKIP:
3284 alg = "TKIP";
62fe7e37 3285 module = "ieee80211_crypt_tkip";
ff1d2767
JM		 3286 break;
3287 case IW_ENCODE_ALG_CCMP:
3288 alg = "CCMP";
62fe7e37 3289 module = "ieee80211_crypt_ccmp";
ff1d2767
JM		 3290 break;
3291 default:
3292 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3293 local->dev->name, ext->alg);
3294 ret = -EOPNOTSUPP;
3295 goto done;
3296 }
3297
62fe7e37 3298 ops = ieee80211_get_crypto_ops(alg);
ff1d2767
JM		 3299 if (ops == NULL) {
3300 request_module(module);
62fe7e37 3301 ops = ieee80211_get_crypto_ops(alg);
ff1d2767
JM		 3302 }
3303 if (ops == NULL) {
3304 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3305 local->dev->name, alg);
3306 ret = -EOPNOTSUPP;
3307 goto done;
3308 }
3309
3310 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3311 /*
3312 * Per station encryption and other than WEP algorithms
3313 * require host-based encryption, so force them on
3314 * automatically.
3315 */
3316 local->host_decrypt = local->host_encrypt = 1;
3317 }
3318
3319 if (*crypt == NULL || (*crypt)->ops != ops) {
62fe7e37 3320 struct ieee80211_crypt_data *new_crypt;
ff1d2767
JM		 3321
3322 prism2_crypt_delayed_deinit(local, crypt);
3323
62fe7e37
JM		 3324 new_crypt = (struct ieee80211_crypt_data *)
3325 kmalloc(sizeof(struct ieee80211_crypt_data),
3326 GFP_KERNEL);
ff1d2767
JM		 3327 if (new_crypt == NULL) {
3328 ret = -ENOMEM;
3329 goto done;
3330 }
62fe7e37 3331 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
ff1d2767
JM		 3332 new_crypt->ops = ops;
3333 new_crypt->priv = new_crypt->ops->init(i);
3334 if (new_crypt->priv == NULL) {
3335 kfree(new_crypt);
3336 ret = -EINVAL;
3337 goto done;
3338 }
3339
3340 *crypt = new_crypt;
3341 }
3342
3343 /*
3344 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3345 * existing seq# should not be changed.
3346 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3347 * should be changed to something else than zero.
3348 */
3349 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3350 && (*crypt)->ops->set_key &&
3351 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3352 (*crypt)->priv) < 0) {
3353 printk(KERN_DEBUG "%s: key setting failed\n",
3354 local->dev->name);
3355 ret = -EINVAL;
3356 goto done;
3357 }
3358
3359 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3360 if (!sta_ptr)
3361 local->tx_keyidx = i;
3362 else if (i) {
3363 ret = -EINVAL;
3364 goto done;
3365 }
3366 }
3367
3368
3369 if (sta_ptr == NULL && ext->key_len > 0) {
3370 int first = 1, j;
3371 for (j = 0; j < WEP_KEYS; j++) {
3372 if (j != i && local->crypt[j]) {
3373 first = 0;
3374 break;
3375 }
3376 }
3377 if (first)
3378 local->tx_keyidx = i;
3379 }
3380
3381 done:
3382 if (sta_ptr)
3383 hostap_handle_sta_release(sta_ptr);
3384
3385 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3386
3387 /*
3388 * Do not reset port0 if card is in Managed mode since resetting will
3389 * generate new IEEE 802.11 authentication which may end up in looping
3390 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3391 * after WEP configuration. However, keys are apparently changed at
3392 * least in Managed mode.
3393 */
3394 if (ret == 0 &&
3395 (hostap_set_encryption(local) ||
3396 (local->iw_mode != IW_MODE_INFRA &&
3397 local->func->reset_port(local->dev))))
3398 ret = -EINVAL;
3399
3400 return ret;
3401}
3402
3403
3404static int prism2_ioctl_giwencodeext(struct net_device *dev,
3405 struct iw_request_info *info,
3406 struct iw_point *erq, char *extra)
3407{
3408 struct hostap_interface *iface = dev->priv;
3409 local_info_t *local = iface->local;
62fe7e37 3410 struct ieee80211_crypt_data **crypt;
ff1d2767
JM		 3411 void *sta_ptr;
3412 int max_key_len, i;
3413 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3414 u8 *addr;
3415
3416 max_key_len = erq->length - sizeof(*ext);
3417 if (max_key_len < 0)
3418 return -EINVAL;
3419
3420 i = erq->flags & IW_ENCODE_INDEX;
3421 if (i < 1 || i > WEP_KEYS)
3422 i = local->tx_keyidx;
3423 else
3424 i--;
3425
3426 addr = ext->addr.sa_data;
3427 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3428 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3429 sta_ptr = NULL;
3430 crypt = &local->crypt[i];
3431 } else {
3432 i = 0;
3433 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3434 if (sta_ptr == NULL)
3435 return -EINVAL;
3436 }
3437 erq->flags = i + 1;
3438 memset(ext, 0, sizeof(*ext));
3439
3440 if (*crypt == NULL || (*crypt)->ops == NULL) {
3441 ext->alg = IW_ENCODE_ALG_NONE;
3442 ext->key_len = 0;
3443 erq->flags |= IW_ENCODE_DISABLED;
3444 } else {
3445 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3446 ext->alg = IW_ENCODE_ALG_WEP;
3447 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3448 ext->alg = IW_ENCODE_ALG_TKIP;
3449 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3450 ext->alg = IW_ENCODE_ALG_CCMP;
3451 else
3452 return -EINVAL;
3453
3454 if ((*crypt)->ops->get_key) {
3455 ext->key_len =
3456 (*crypt)->ops->get_key(ext->key,
3457 max_key_len,
3458 ext->tx_seq,
3459 (*crypt)->priv);
3460 if (ext->key_len &&
3461 (ext->alg == IW_ENCODE_ALG_TKIP ||
3462 ext->alg == IW_ENCODE_ALG_CCMP))
3463 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3464 }
3465 }
3466
3467 if (sta_ptr)
3468 hostap_handle_sta_release(sta_ptr);
3469
3470 return 0;
3471}
3472
3473
3474static int prism2_ioctl_set_encryption(local_info_t *local,
3475 struct prism2_hostapd_param *param,
3476 int param_len)
3477{
3478 int ret = 0;
62fe7e37
JM		 3479 struct ieee80211_crypto_ops *ops;
3480 struct ieee80211_crypt_data **crypt;
ff1d2767
JM		 3481 void *sta_ptr;
3482
3483 param->u.crypt.err = 0;
3484 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3485
3486 if (param_len !=
3487 (int) ((char *) param->u.crypt.key - (char *) param) +
3488 param->u.crypt.key_len)
3489 return -EINVAL;
3490
3491 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3492 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3493 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3494 if (param->u.crypt.idx >= WEP_KEYS)
3495 return -EINVAL;
3496 sta_ptr = NULL;
3497 crypt = &local->crypt[param->u.crypt.idx];
3498 } else {
3499 if (param->u.crypt.idx)
3500 return -EINVAL;
3501 sta_ptr = ap_crypt_get_ptrs(
3502 local->ap, param->sta_addr,
3503 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3504 &crypt);
3505
3506 if (sta_ptr == NULL) {
3507 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3508 return -EINVAL;
3509 }
3510 }
3511
3512 if (strcmp(param->u.crypt.alg, "none") == 0) {
3513 if (crypt)
3514 prism2_crypt_delayed_deinit(local, crypt);
3515 goto done;
3516 }
3517
62fe7e37 3518 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
ff1d2767 3519 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
62fe7e37
JM		 3520 request_module("ieee80211_crypt_wep");
3521 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
ff1d2767 3522 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
62fe7e37
JM		 3523 request_module("ieee80211_crypt_tkip");
3524 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
ff1d2767 3525 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
62fe7e37
JM		 3526 request_module("ieee80211_crypt_ccmp");
3527 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
ff1d2767
JM		 3528 }
3529 if (ops == NULL) {
3530 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3531 local->dev->name, param->u.crypt.alg);
3532 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3533 ret = -EINVAL;
3534 goto done;
3535 }
3536
3537 /* station based encryption and other than WEP algorithms require
3538 * host-based encryption, so force them on automatically */
3539 local->host_decrypt = local->host_encrypt = 1;
3540
3541 if (*crypt == NULL || (*crypt)->ops != ops) {
62fe7e37 3542 struct ieee80211_crypt_data *new_crypt;
ff1d2767
JM		 3543
3544 prism2_crypt_delayed_deinit(local, crypt);
3545
62fe7e37
JM		 3546 new_crypt = (struct ieee80211_crypt_data *)
3547 kmalloc(sizeof(struct ieee80211_crypt_data),
3548 GFP_KERNEL);
ff1d2767
JM		 3549 if (new_crypt == NULL) {
3550 ret = -ENOMEM;
3551 goto done;
3552 }
62fe7e37 3553 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
ff1d2767
JM		 3554 new_crypt->ops = ops;
3555 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3556 if (new_crypt->priv == NULL) {
3557 kfree(new_crypt);
3558 param->u.crypt.err =
3559 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3560 ret = -EINVAL;
3561 goto done;
3562 }
3563
3564 *crypt = new_crypt;
3565 }
3566
3567 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3568 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3569 (*crypt)->ops->set_key(param->u.crypt.key,
3570 param->u.crypt.key_len, param->u.crypt.seq,
3571 (*crypt)->priv) < 0) {
3572 printk(KERN_DEBUG "%s: key setting failed\n",
3573 local->dev->name);
3574 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3575 ret = -EINVAL;
3576 goto done;
3577 }
3578
3579 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3580 if (!sta_ptr)
3581 local->tx_keyidx = param->u.crypt.idx;
3582 else if (param->u.crypt.idx) {
3583 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3584 local->dev->name);
3585 param->u.crypt.err =
3586 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3587 ret = -EINVAL;
3588 goto done;
3589 }
3590 }
3591
3592 done:
3593 if (sta_ptr)
3594 hostap_handle_sta_release(sta_ptr);
3595
3596 /* Do not reset port0 if card is in Managed mode since resetting will
3597 * generate new IEEE 802.11 authentication which may end up in looping
3598 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3599 * after WEP configuration. However, keys are apparently changed at
3600 * least in Managed mode. */
3601 if (ret == 0 &&
3602 (hostap_set_encryption(local) ||
3603 (local->iw_mode != IW_MODE_INFRA &&
3604 local->func->reset_port(local->dev)))) {
3605 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3606 return -EINVAL;
3607 }
3608
3609 return ret;
3610}
3611
3612
3613static int prism2_ioctl_get_encryption(local_info_t *local,
3614 struct prism2_hostapd_param *param,
3615 int param_len)
3616{
62fe7e37 3617 struct ieee80211_crypt_data **crypt;
ff1d2767
JM		 3618 void *sta_ptr;
3619 int max_key_len;
3620
3621 param->u.crypt.err = 0;
3622
3623 max_key_len = param_len -
3624 (int) ((char *) param->u.crypt.key - (char *) param);
3625 if (max_key_len < 0)
3626 return -EINVAL;
3627
3628 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3629 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3630 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3631 sta_ptr = NULL;
3632 if (param->u.crypt.idx >= WEP_KEYS)
3633 param->u.crypt.idx = local->tx_keyidx;
3634 crypt = &local->crypt[param->u.crypt.idx];
3635 } else {
3636 param->u.crypt.idx = 0;
3637 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3638 &crypt);
3639
3640 if (sta_ptr == NULL) {
3641 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3642 return -EINVAL;
3643 }
3644 }
3645
3646 if (*crypt == NULL || (*crypt)->ops == NULL) {
3647 memcpy(param->u.crypt.alg, "none", 5);
3648 param->u.crypt.key_len = 0;
3649 param->u.crypt.idx = 0xff;
3650 } else {
3651 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3652 HOSTAP_CRYPT_ALG_NAME_LEN);
3653 param->u.crypt.key_len = 0;
3654
3655 memset(param->u.crypt.seq, 0, 8);
3656 if ((*crypt)->ops->get_key) {
3657 param->u.crypt.key_len =
3658 (*crypt)->ops->get_key(param->u.crypt.key,
3659 max_key_len,
3660 param->u.crypt.seq,
3661 (*crypt)->priv);
3662 }
3663 }
3664
3665 if (sta_ptr)
3666 hostap_handle_sta_release(sta_ptr);
3667
3668 return 0;
3669}
3670
3671
3672static int prism2_ioctl_get_rid(local_info_t *local,
3673 struct prism2_hostapd_param *param,
3674 int param_len)
3675{
3676 int max_len, res;
3677
3678 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3679 if (max_len < 0)
3680 return -EINVAL;
3681
3682 res = local->func->get_rid(local->dev, param->u.rid.rid,
3683 param->u.rid.data, param->u.rid.len, 0);
3684 if (res >= 0) {
3685 param->u.rid.len = res;
3686 return 0;
3687 }
3688
3689 return res;
3690}
3691
3692
3693static int prism2_ioctl_set_rid(local_info_t *local,
3694 struct prism2_hostapd_param *param,
3695 int param_len)
3696{
3697 int max_len;
3698
3699 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3700 if (max_len < 0 || max_len < param->u.rid.len)
3701 return -EINVAL;
3702
3703 return local->func->set_rid(local->dev, param->u.rid.rid,
3704 param->u.rid.data, param->u.rid.len);
3705}
3706
3707
3708static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3709 struct prism2_hostapd_param *param,
3710 int param_len)
3711{
3712 printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
3713 local->dev->name, MAC2STR(param->sta_addr));
3714 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3715 return 0;
3716}
3717
3718
3719static int prism2_ioctl_siwgenie(struct net_device *dev,
3720 struct iw_request_info *info,
3721 struct iw_point *data, char *extra)
3722{
3723 return prism2_set_genericelement(dev, extra, data->length);
3724}
3725
3726
3727static int prism2_ioctl_giwgenie(struct net_device *dev,
3728 struct iw_request_info *info,
3729 struct iw_point *data, char *extra)
3730{
3731 struct hostap_interface *iface = dev->priv;
3732 local_info_t *local = iface->local;
3733 int len = local->generic_elem_len - 2;
3734
3735 if (len <= 0 || local->generic_elem == NULL) {
3736 data->length = 0;
3737 return 0;
3738 }
3739
3740 if (data->length < len)
3741 return -E2BIG;
3742
3743 data->length = len;
3744 memcpy(extra, local->generic_elem + 2, len);
3745
3746 return 0;
3747}
3748
3749
3750static int prism2_ioctl_set_generic_element(local_info_t *local,
3751 struct prism2_hostapd_param *param,
3752 int param_len)
3753{
3754 int max_len, len;
3755
3756 len = param->u.generic_elem.len;
3757 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3758 if (max_len < 0 || max_len < len)
3759 return -EINVAL;
3760
3761 return prism2_set_genericelement(local->dev,
3762 param->u.generic_elem.data, len);
3763}
3764
3765
3766static int prism2_ioctl_siwmlme(struct net_device *dev,
3767 struct iw_request_info *info,
3768 struct iw_point *data, char *extra)
3769{
3770 struct hostap_interface *iface = dev->priv;
3771 local_info_t *local = iface->local;
3772 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3773 u16 reason;
3774
3775 reason = cpu_to_le16(mlme->reason_code);
3776
3777 switch (mlme->cmd) {
3778 case IW_MLME_DEAUTH:
3779 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
4339d328 3780 IEEE80211_STYPE_DEAUTH,
ff1d2767
JM		 3781 (u8 *) &reason, 2);
3782 case IW_MLME_DISASSOC:
3783 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
4339d328 3784 IEEE80211_STYPE_DISASSOC,
ff1d2767
JM		 3785 (u8 *) &reason, 2);
3786 default:
3787 return -EOPNOTSUPP;
3788 }
3789}
3790
3791
3792static int prism2_ioctl_mlme(local_info_t *local,
3793 struct prism2_hostapd_param *param)
3794{
3795 u16 reason;
3796
3797 reason = cpu_to_le16(param->u.mlme.reason_code);
3798 switch (param->u.mlme.cmd) {
3799 case MLME_STA_DEAUTH:
3800 return prism2_sta_send_mgmt(local, param->sta_addr,
4339d328 3801 IEEE80211_STYPE_DEAUTH,
ff1d2767
JM		 3802 (u8 *) &reason, 2);
3803 case MLME_STA_DISASSOC:
3804 return prism2_sta_send_mgmt(local, param->sta_addr,
4339d328 3805 IEEE80211_STYPE_DISASSOC,
ff1d2767
JM		 3806 (u8 *) &reason, 2);
3807 default:
3808 return -EOPNOTSUPP;
3809 }
3810}
3811
3812
3813static int prism2_ioctl_scan_req(local_info_t *local,
3814 struct prism2_hostapd_param *param)
3815{
3816#ifndef PRISM2_NO_STATION_MODES
3817 if ((local->iw_mode != IW_MODE_INFRA &&
3818 local->iw_mode != IW_MODE_ADHOC) ||
3819 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3820 return -EOPNOTSUPP;
3821
3822 if (!local->dev_enabled)
3823 return -ENETDOWN;
3824
3825 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3826 param->u.scan_req.ssid_len);
3827#else /* PRISM2_NO_STATION_MODES */
3828 return -EOPNOTSUPP;
3829#endif /* PRISM2_NO_STATION_MODES */
3830}
3831
3832
3833static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3834{
3835 struct prism2_hostapd_param *param;
3836 int ret = 0;
3837 int ap_ioctl = 0;
3838
3839 if (p->length < sizeof(struct prism2_hostapd_param) ||
3840 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3841 return -EINVAL;
3842
3843 param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
3844 if (param == NULL)
3845 return -ENOMEM;
3846
3847 if (copy_from_user(param, p->pointer, p->length)) {
3848 ret = -EFAULT;
3849 goto out;
3850 }
3851
3852 switch (param->cmd) {
3853 case PRISM2_SET_ENCRYPTION:
3854 ret = prism2_ioctl_set_encryption(local, param, p->length);
3855 break;
3856 case PRISM2_GET_ENCRYPTION:
3857 ret = prism2_ioctl_get_encryption(local, param, p->length);
3858 break;
3859 case PRISM2_HOSTAPD_GET_RID:
3860 ret = prism2_ioctl_get_rid(local, param, p->length);
3861 break;
3862 case PRISM2_HOSTAPD_SET_RID:
3863 ret = prism2_ioctl_set_rid(local, param, p->length);
3864 break;
3865 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3866 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3867 break;
3868 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3869 ret = prism2_ioctl_set_generic_element(local, param,
3870 p->length);
3871 break;
3872 case PRISM2_HOSTAPD_MLME:
3873 ret = prism2_ioctl_mlme(local, param);
3874 break;
3875 case PRISM2_HOSTAPD_SCAN_REQ:
3876 ret = prism2_ioctl_scan_req(local, param);
3877 break;
3878 default:
3879 ret = prism2_hostapd(local->ap, param);
3880 ap_ioctl = 1;
3881 break;
3882 }
3883
3884 if (ret == 1 || !ap_ioctl) {
3885 if (copy_to_user(p->pointer, param, p->length)) {
3886 ret = -EFAULT;
3887 goto out;
3888 } else if (ap_ioctl)
3889 ret = 0;
3890 }
3891
3892 out:
3893 if (param != NULL)
3894 kfree(param);
3895
3896 return ret;
3897}
3898
3899
3900static void prism2_get_drvinfo(struct net_device *dev,
3901 struct ethtool_drvinfo *info)
3902{
3903 struct hostap_interface *iface;
3904 local_info_t *local;
3905
3906 iface = netdev_priv(dev);
3907 local = iface->local;
3908
3909 strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3910 strncpy(info->version, PRISM2_VERSION,
3911 sizeof(info->version) - 1);
3912 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3913 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3914 (local->sta_fw_ver >> 8) & 0xff,
3915 local->sta_fw_ver & 0xff);
3916}
3917
3918static struct ethtool_ops prism2_ethtool_ops = {
3919 .get_drvinfo = prism2_get_drvinfo
3920};
3921
3922
3923/* Structures to export the Wireless Handlers */
3924
3925static const iw_handler prism2_handler[] =
3926{
3927 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3928 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3929 (iw_handler) NULL, /* SIOCSIWNWID */
3930 (iw_handler) NULL, /* SIOCGIWNWID */
3931 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3932 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3933 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3934 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3935 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3936 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3937 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3938 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3939 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3940 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3941 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3942 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3943 iw_handler_set_spy, /* SIOCSIWSPY */
3944 iw_handler_get_spy, /* SIOCGIWSPY */
3945 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3946 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3947 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3948 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3949 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3950 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3951 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3952 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3953 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3954 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3955 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3956 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3957 (iw_handler) NULL, /* -- hole -- */
3958 (iw_handler) NULL, /* -- hole -- */
3959 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3960 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3961 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3962 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3963 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3964 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3965 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3966 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3967 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3968 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3969 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3970 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3971 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3972 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3973 (iw_handler) NULL, /* -- hole -- */
3974 (iw_handler) NULL, /* -- hole -- */
3975 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3976 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3977 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3978 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3979 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3980 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3981 (iw_handler) NULL, /* SIOCSIWPMKSA */
3982 (iw_handler) NULL, /* -- hole -- */
3983};
3984
3985static const iw_handler prism2_private_handler[] =
3986{ /* SIOCIWFIRSTPRIV + */
3987 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3988 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3989 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3990 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3991};
3992
3993static const struct iw_handler_def hostap_iw_handler_def =
3994{
3995 .num_standard = sizeof(prism2_handler) / sizeof(iw_handler),
3996 .num_private = sizeof(prism2_private_handler) / sizeof(iw_handler),
3997 .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
3998 .standard = (iw_handler *) prism2_handler,
3999 .private = (iw_handler *) prism2_private_handler,
4000 .private_args = (struct iw_priv_args *) prism2_priv,
4001 .get_wireless_stats = hostap_get_wireless_stats,
4002};
4003
4004
4005int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4006{
4007 struct iwreq *wrq = (struct iwreq *) ifr;
4008 struct hostap_interface *iface;
4009 local_info_t *local;
4010 int ret = 0;
4011
4012 iface = netdev_priv(dev);
4013 local = iface->local;
4014
4015 switch (cmd) {
4016 /* Private ioctls (iwpriv) that have not yet been converted
4017 * into new wireless extensions API */
4018
4019 case PRISM2_IOCTL_INQUIRE:
4020 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4021 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4022 break;
4023
4024 case PRISM2_IOCTL_MONITOR:
4025 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4026 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4027 break;
4028
4029 case PRISM2_IOCTL_RESET:
4030 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4031 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4032 break;
4033
4034 case PRISM2_IOCTL_WDS_ADD:
4035 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4036 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4037 break;
4038
4039 case PRISM2_IOCTL_WDS_DEL:
4040 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4041 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4042 break;
4043
4044 case PRISM2_IOCTL_SET_RID_WORD:
4045 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4046 else ret = prism2_ioctl_priv_set_rid_word(dev,
4047 (int *) wrq->u.name);
4048 break;
4049
4050#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4051 case PRISM2_IOCTL_MACCMD:
4052 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4053 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4054 break;
4055
4056 case PRISM2_IOCTL_ADDMAC:
4057 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4058 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4059 wrq->u.ap_addr.sa_data);
4060 break;
4061 case PRISM2_IOCTL_DELMAC:
4062 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4063 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4064 wrq->u.ap_addr.sa_data);
4065 break;
4066 case PRISM2_IOCTL_KICKMAC:
4067 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4068 else ret = ap_control_kick_mac(local->ap, local->dev,
4069 wrq->u.ap_addr.sa_data);
4070 break;
4071#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4072
4073
4074 /* Private ioctls that are not used with iwpriv;
4075 * in SIOCDEVPRIVATE range */
4076
4077#ifdef PRISM2_DOWNLOAD_SUPPORT
4078 case PRISM2_IOCTL_DOWNLOAD:
4079 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4080 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4081 break;
4082#endif /* PRISM2_DOWNLOAD_SUPPORT */
4083
4084 case PRISM2_IOCTL_HOSTAPD:
4085 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4086 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4087 break;
4088
4089 default:
4090 ret = -EOPNOTSUPP;
4091 break;
4092 }
4093
4094 return ret;
4095}
Linux kernel - Deliverables
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