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lib80211: absorb crypto bits from net/ieee80211
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / hostap / hostap_ioctl.c
blob29aebb679099fcdf0ed508d12015a5d685365390
1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
2
3 #include <linux/types.h>
4 #include <linux/ethtool.h>
5 #include <net/lib80211.h>
6
7 #include "hostap_wlan.h"
8 #include "hostap.h"
9 #include "hostap_ap.h"
10
11 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
12 {
13 struct hostap_interface *iface;
14 local_info_t *local;
15 struct iw_statistics *wstats;
16
17 iface = netdev_priv(dev);
18 local = iface->local;
19
20 /* Why are we doing that ? Jean II */
21 if (iface->type != HOSTAP_INTERFACE_MAIN)
22 return NULL;
23
24 wstats = &local->wstats;
25
26 wstats->status = 0;
27 wstats->discard.code =
28 local->comm_tallies.rx_discards_wep_undecryptable;
29 wstats->discard.misc =
30 local->comm_tallies.rx_fcs_errors +
31 local->comm_tallies.rx_discards_no_buffer +
32 local->comm_tallies.tx_discards_wrong_sa;
33
34 wstats->discard.retries =
35 local->comm_tallies.tx_retry_limit_exceeded;
36 wstats->discard.fragment =
37 local->comm_tallies.rx_message_in_bad_msg_fragments;
38
39 if (local->iw_mode != IW_MODE_MASTER &&
40 local->iw_mode != IW_MODE_REPEAT) {
41 int update = 1;
42 #ifdef in_atomic
43 /* RID reading might sleep and it must not be called in
44 * interrupt context or while atomic. However, this
45 * function seems to be called while atomic (at least in Linux
46 * 2.5.59). Update signal quality values only if in suitable
47 * context. Otherwise, previous values read from tick timer
48 * will be used. */
49 if (in_atomic())
50 update = 0;
51 #endif /* in_atomic */
52
53 if (update && prism2_update_comms_qual(dev) == 0)
54 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
55 IW_QUAL_DBM;
56
57 wstats->qual.qual = local->comms_qual;
58 wstats->qual.level = local->avg_signal;
59 wstats->qual.noise = local->avg_noise;
60 } else {
61 wstats->qual.qual = 0;
62 wstats->qual.level = 0;
63 wstats->qual.noise = 0;
64 wstats->qual.updated = IW_QUAL_ALL_INVALID;
65 }
66
67 return wstats;
68 }
69
70
71 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
72 {
73 struct hostap_interface *iface;
74 local_info_t *local;
75 u8 buf[12];
76 int len;
77 u16 val;
78
79 iface = netdev_priv(dev);
80 local = iface->local;
81
82 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
83 sizeof(buf), 0);
84 if (len < 2)
85 return 0;
86
87 val = le16_to_cpu(*(__le16 *) buf); /* string length */
88
89 if (len - 2 < val || val > 10)
90 return 0;
91
92 memcpy(rates, buf + 2, val);
93 return val;
94 }
95
96
97 static int prism2_get_name(struct net_device *dev,
98 struct iw_request_info *info,
99 char *name, char *extra)
100 {
101 u8 rates[10];
102 int len, i, over2 = 0;
103
104 len = prism2_get_datarates(dev, rates);
105
106 for (i = 0; i < len; i++) {
107 if (rates[i] == 0x0b || rates[i] == 0x16) {
108 over2 = 1;
109 break;
110 }
111 }
112
113 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
114
115 return 0;
116 }
117
118
119 static void prism2_crypt_delayed_deinit(local_info_t *local,
120 struct lib80211_crypt_data **crypt)
121 {
122 struct lib80211_crypt_data *tmp;
123 unsigned long flags;
124
125 tmp = *crypt;
126 *crypt = NULL;
127
128 if (tmp == NULL)
129 return;
130
131 /* must not run ops->deinit() while there may be pending encrypt or
132 * decrypt operations. Use a list of delayed deinits to avoid needing
133 * locking. */
134
135 spin_lock_irqsave(&local->lock, flags);
136 list_add(&tmp->list, &local->crypt_info.crypt_deinit_list);
137 if (!timer_pending(&local->crypt_info.crypt_deinit_timer)) {
138 local->crypt_info.crypt_deinit_timer.expires = jiffies + HZ;
139 add_timer(&local->crypt_info.crypt_deinit_timer);
140 }
141 spin_unlock_irqrestore(&local->lock, flags);
142 }
143
144
145 static int prism2_ioctl_siwencode(struct net_device *dev,
146 struct iw_request_info *info,
147 struct iw_point *erq, char *keybuf)
148 {
149 struct hostap_interface *iface;
150 local_info_t *local;
151 int i;
152 struct lib80211_crypt_data **crypt;
153
154 iface = netdev_priv(dev);
155 local = iface->local;
156
157 i = erq->flags & IW_ENCODE_INDEX;
158 if (i < 1 || i > 4)
159 i = local->crypt_info.tx_keyidx;
160 else
161 i--;
162 if (i < 0 || i >= WEP_KEYS)
163 return -EINVAL;
164
165 crypt = &local->crypt_info.crypt[i];
166
167 if (erq->flags & IW_ENCODE_DISABLED) {
168 if (*crypt)
169 prism2_crypt_delayed_deinit(local, crypt);
170 goto done;
171 }
172
173 if (*crypt != NULL && (*crypt)->ops != NULL &&
174 strcmp((*crypt)->ops->name, "WEP") != 0) {
175 /* changing to use WEP; deinit previously used algorithm */
176 prism2_crypt_delayed_deinit(local, crypt);
177 }
178
179 if (*crypt == NULL) {
180 struct lib80211_crypt_data *new_crypt;
181
182 /* take WEP into use */
183 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
184 GFP_KERNEL);
185 if (new_crypt == NULL)
186 return -ENOMEM;
187 new_crypt->ops = lib80211_get_crypto_ops("WEP");
188 if (!new_crypt->ops) {
189 request_module("lib80211_crypt_wep");
190 new_crypt->ops = lib80211_get_crypto_ops("WEP");
191 }
192 if (new_crypt->ops)
193 new_crypt->priv = new_crypt->ops->init(i);
194 if (!new_crypt->ops || !new_crypt->priv) {
195 kfree(new_crypt);
196 new_crypt = NULL;
197
198 printk(KERN_WARNING "%s: could not initialize WEP: "
199 "load module hostap_crypt_wep.o\n",
200 dev->name);
201 return -EOPNOTSUPP;
202 }
203 *crypt = new_crypt;
204 }
205
206 if (erq->length > 0) {
207 int len = erq->length <= 5 ? 5 : 13;
208 int first = 1, j;
209 if (len > erq->length)
210 memset(keybuf + erq->length, 0, len - erq->length);
211 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
212 for (j = 0; j < WEP_KEYS; j++) {
213 if (j != i && local->crypt_info.crypt[j]) {
214 first = 0;
215 break;
216 }
217 }
218 if (first)
219 local->crypt_info.tx_keyidx = i;
220 } else {
221 /* No key data - just set the default TX key index */
222 local->crypt_info.tx_keyidx = i;
223 }
224
225 done:
226 local->open_wep = erq->flags & IW_ENCODE_OPEN;
227
228 if (hostap_set_encryption(local)) {
229 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
230 return -EINVAL;
231 }
232
233 /* Do not reset port0 if card is in Managed mode since resetting will
234 * generate new IEEE 802.11 authentication which may end up in looping
235 * with IEEE 802.1X. Prism2 documentation seem to require port reset
236 * after WEP configuration. However, keys are apparently changed at
237 * least in Managed mode. */
238 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
239 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
240 return -EINVAL;
241 }
242
243 return 0;
244 }
245
246
247 static int prism2_ioctl_giwencode(struct net_device *dev,
248 struct iw_request_info *info,
249 struct iw_point *erq, char *key)
250 {
251 struct hostap_interface *iface;
252 local_info_t *local;
253 int i, len;
254 u16 val;
255 struct lib80211_crypt_data *crypt;
256
257 iface = netdev_priv(dev);
258 local = iface->local;
259
260 i = erq->flags & IW_ENCODE_INDEX;
261 if (i < 1 || i > 4)
262 i = local->crypt_info.tx_keyidx;
263 else
264 i--;
265 if (i < 0 || i >= WEP_KEYS)
266 return -EINVAL;
267
268 crypt = local->crypt_info.crypt[i];
269 erq->flags = i + 1;
270
271 if (crypt == NULL || crypt->ops == NULL) {
272 erq->length = 0;
273 erq->flags |= IW_ENCODE_DISABLED;
274 return 0;
275 }
276
277 if (strcmp(crypt->ops->name, "WEP") != 0) {
278 /* only WEP is supported with wireless extensions, so just
279 * report that encryption is used */
280 erq->length = 0;
281 erq->flags |= IW_ENCODE_ENABLED;
282 return 0;
283 }
284
285 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
286 * the keys from driver buffer */
287 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
288 erq->length = (len >= 0 ? len : 0);
289
290 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
291 {
292 printk("CNFWEPFLAGS reading failed\n");
293 return -EOPNOTSUPP;
294 }
295 le16_to_cpus(&val);
296 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
297 erq->flags |= IW_ENCODE_ENABLED;
298 else
299 erq->flags |= IW_ENCODE_DISABLED;
300 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
301 erq->flags |= IW_ENCODE_RESTRICTED;
302 else
303 erq->flags |= IW_ENCODE_OPEN;
304
305 return 0;
306 }
307
308
309 static int hostap_set_rate(struct net_device *dev)
310 {
311 struct hostap_interface *iface;
312 local_info_t *local;
313 int ret, basic_rates;
314
315 iface = netdev_priv(dev);
316 local = iface->local;
317
318 basic_rates = local->basic_rates & local->tx_rate_control;
319 if (!basic_rates || basic_rates != local->basic_rates) {
320 printk(KERN_INFO "%s: updating basic rate set automatically "
321 "to match with the new supported rate set\n",
322 dev->name);
323 if (!basic_rates)
324 basic_rates = local->tx_rate_control;
325
326 local->basic_rates = basic_rates;
327 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
328 basic_rates))
329 printk(KERN_WARNING "%s: failed to set "
330 "cnfBasicRates\n", dev->name);
331 }
332
333 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
334 local->tx_rate_control) ||
335 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
336 local->tx_rate_control) ||
337 local->func->reset_port(dev));
338
339 if (ret) {
340 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
341 "setting to 0x%x failed\n",
342 dev->name, local->tx_rate_control);
343 }
344
345 /* Update TX rate configuration for all STAs based on new operational
346 * rate set. */
347 hostap_update_rates(local);
348
349 return ret;
350 }
351
352
353 static int prism2_ioctl_siwrate(struct net_device *dev,
354 struct iw_request_info *info,
355 struct iw_param *rrq, char *extra)
356 {
357 struct hostap_interface *iface;
358 local_info_t *local;
359
360 iface = netdev_priv(dev);
361 local = iface->local;
362
363 if (rrq->fixed) {
364 switch (rrq->value) {
365 case 11000000:
366 local->tx_rate_control = HFA384X_RATES_11MBPS;
367 break;
368 case 5500000:
369 local->tx_rate_control = HFA384X_RATES_5MBPS;
370 break;
371 case 2000000:
372 local->tx_rate_control = HFA384X_RATES_2MBPS;
373 break;
374 case 1000000:
375 local->tx_rate_control = HFA384X_RATES_1MBPS;
376 break;
377 default:
378 local->tx_rate_control = HFA384X_RATES_1MBPS |
379 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
380 HFA384X_RATES_11MBPS;
381 break;
382 }
383 } else {
384 switch (rrq->value) {
385 case 11000000:
386 local->tx_rate_control = HFA384X_RATES_1MBPS |
387 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
388 HFA384X_RATES_11MBPS;
389 break;
390 case 5500000:
391 local->tx_rate_control = HFA384X_RATES_1MBPS |
392 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
393 break;
394 case 2000000:
395 local->tx_rate_control = HFA384X_RATES_1MBPS |
396 HFA384X_RATES_2MBPS;
397 break;
398 case 1000000:
399 local->tx_rate_control = HFA384X_RATES_1MBPS;
400 break;
401 default:
402 local->tx_rate_control = HFA384X_RATES_1MBPS |
403 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
404 HFA384X_RATES_11MBPS;
405 break;
406 }
407 }
408
409 return hostap_set_rate(dev);
410 }
411
412
413 static int prism2_ioctl_giwrate(struct net_device *dev,
414 struct iw_request_info *info,
415 struct iw_param *rrq, char *extra)
416 {
417 u16 val;
418 struct hostap_interface *iface;
419 local_info_t *local;
420 int ret = 0;
421
422 iface = netdev_priv(dev);
423 local = iface->local;
424
425 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
426 0)
427 return -EINVAL;
428
429 if ((val & 0x1) && (val > 1))
430 rrq->fixed = 0;
431 else
432 rrq->fixed = 1;
433
434 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
435 !local->fw_tx_rate_control) {
436 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
437 * Host AP mode, so use the recorded TX rate of the last sent
438 * frame */
439 rrq->value = local->ap->last_tx_rate > 0 ?
440 local->ap->last_tx_rate * 100000 : 11000000;
441 return 0;
442 }
443
444 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
445 0)
446 return -EINVAL;
447
448 switch (val) {
449 case HFA384X_RATES_1MBPS:
450 rrq->value = 1000000;
451 break;
452 case HFA384X_RATES_2MBPS:
453 rrq->value = 2000000;
454 break;
455 case HFA384X_RATES_5MBPS:
456 rrq->value = 5500000;
457 break;
458 case HFA384X_RATES_11MBPS:
459 rrq->value = 11000000;
460 break;
461 default:
462 /* should not happen */
463 rrq->value = 11000000;
464 ret = -EINVAL;
465 break;
466 }
467
468 return ret;
469 }
470
471
472 static int prism2_ioctl_siwsens(struct net_device *dev,
473 struct iw_request_info *info,
474 struct iw_param *sens, char *extra)
475 {
476 struct hostap_interface *iface;
477 local_info_t *local;
478
479 iface = netdev_priv(dev);
480 local = iface->local;
481
482 /* Set the desired AP density */
483 if (sens->value < 1 || sens->value > 3)
484 return -EINVAL;
485
486 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
487 local->func->reset_port(dev))
488 return -EINVAL;
489
490 return 0;
491 }
492
493 static int prism2_ioctl_giwsens(struct net_device *dev,
494 struct iw_request_info *info,
495 struct iw_param *sens, char *extra)
496 {
497 struct hostap_interface *iface;
498 local_info_t *local;
499 __le16 val;
500
501 iface = netdev_priv(dev);
502 local = iface->local;
503
504 /* Get the current AP density */
505 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
506 0)
507 return -EINVAL;
508
509 sens->value = le16_to_cpu(val);
510 sens->fixed = 1;
511
512 return 0;
513 }
514
515
516 /* Deprecated in new wireless extension API */
517 static int prism2_ioctl_giwaplist(struct net_device *dev,
518 struct iw_request_info *info,
519 struct iw_point *data, char *extra)
520 {
521 struct hostap_interface *iface;
522 local_info_t *local;
523 struct sockaddr *addr;
524 struct iw_quality *qual;
525
526 iface = netdev_priv(dev);
527 local = iface->local;
528
529 if (local->iw_mode != IW_MODE_MASTER) {
530 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
531 "in Host AP mode\n");
532 data->length = 0;
533 return -EOPNOTSUPP;
534 }
535
536 addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
537 qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
538 if (addr == NULL || qual == NULL) {
539 kfree(addr);
540 kfree(qual);
541 data->length = 0;
542 return -ENOMEM;
543 }
544
545 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
546
547 memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
548 data->flags = 1; /* has quality information */
549 memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
550 sizeof(struct iw_quality) * data->length);
551
552 kfree(addr);
553 kfree(qual);
554 return 0;
555 }
556
557
558 static int prism2_ioctl_siwrts(struct net_device *dev,
559 struct iw_request_info *info,
560 struct iw_param *rts, char *extra)
561 {
562 struct hostap_interface *iface;
563 local_info_t *local;
564 __le16 val;
565
566 iface = netdev_priv(dev);
567 local = iface->local;
568
569 if (rts->disabled)
570 val = cpu_to_le16(2347);
571 else if (rts->value < 0 || rts->value > 2347)
572 return -EINVAL;
573 else
574 val = cpu_to_le16(rts->value);
575
576 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
577 local->func->reset_port(dev))
578 return -EINVAL;
579
580 local->rts_threshold = rts->value;
581
582 return 0;
583 }
584
585 static int prism2_ioctl_giwrts(struct net_device *dev,
586 struct iw_request_info *info,
587 struct iw_param *rts, char *extra)
588 {
589 struct hostap_interface *iface;
590 local_info_t *local;
591 __le16 val;
592
593 iface = netdev_priv(dev);
594 local = iface->local;
595
596 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
597 0)
598 return -EINVAL;
599
600 rts->value = le16_to_cpu(val);
601 rts->disabled = (rts->value == 2347);
602 rts->fixed = 1;
603
604 return 0;
605 }
606
607
608 static int prism2_ioctl_siwfrag(struct net_device *dev,
609 struct iw_request_info *info,
610 struct iw_param *rts, char *extra)
611 {
612 struct hostap_interface *iface;
613 local_info_t *local;
614 __le16 val;
615
616 iface = netdev_priv(dev);
617 local = iface->local;
618
619 if (rts->disabled)
620 val = cpu_to_le16(2346);
621 else if (rts->value < 256 || rts->value > 2346)
622 return -EINVAL;
623 else
624 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
625
626 local->fragm_threshold = rts->value & ~0x1;
627 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
628 2)
629 || local->func->reset_port(dev))
630 return -EINVAL;
631
632 return 0;
633 }
634
635 static int prism2_ioctl_giwfrag(struct net_device *dev,
636 struct iw_request_info *info,
637 struct iw_param *rts, char *extra)
638 {
639 struct hostap_interface *iface;
640 local_info_t *local;
641 __le16 val;
642
643 iface = netdev_priv(dev);
644 local = iface->local;
645
646 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
647 &val, 2, 1) < 0)
648 return -EINVAL;
649
650 rts->value = le16_to_cpu(val);
651 rts->disabled = (rts->value == 2346);
652 rts->fixed = 1;
653
654 return 0;
655 }
656
657
658 #ifndef PRISM2_NO_STATION_MODES
659 static int hostap_join_ap(struct net_device *dev)
660 {
661 struct hostap_interface *iface;
662 local_info_t *local;
663 struct hfa384x_join_request req;
664 unsigned long flags;
665 int i;
666 struct hfa384x_hostscan_result *entry;
667
668 iface = netdev_priv(dev);
669 local = iface->local;
670
671 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
672 req.channel = 0;
673
674 spin_lock_irqsave(&local->lock, flags);
675 for (i = 0; i < local->last_scan_results_count; i++) {
676 if (!local->last_scan_results)
677 break;
678 entry = &local->last_scan_results[i];
679 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
680 req.channel = entry->chid;
681 break;
682 }
683 }
684 spin_unlock_irqrestore(&local->lock, flags);
685
686 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
687 sizeof(req))) {
688 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
689 dev->name, local->preferred_ap);
690 return -1;
691 }
692
693 printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
694 dev->name, local->preferred_ap);
695
696 return 0;
697 }
698 #endif /* PRISM2_NO_STATION_MODES */
699
700
701 static int prism2_ioctl_siwap(struct net_device *dev,
702 struct iw_request_info *info,
703 struct sockaddr *ap_addr, char *extra)
704 {
705 #ifdef PRISM2_NO_STATION_MODES
706 return -EOPNOTSUPP;
707 #else /* PRISM2_NO_STATION_MODES */
708 struct hostap_interface *iface;
709 local_info_t *local;
710
711 iface = netdev_priv(dev);
712 local = iface->local;
713
714 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
715
716 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
717 struct hfa384x_scan_request scan_req;
718 memset(&scan_req, 0, sizeof(scan_req));
719 scan_req.channel_list = cpu_to_le16(0x3fff);
720 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
721 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
722 &scan_req, sizeof(scan_req))) {
723 printk(KERN_DEBUG "%s: ScanResults request failed - "
724 "preferred AP delayed to next unsolicited "
725 "scan\n", dev->name);
726 }
727 } else if (local->host_roaming == 2 &&
728 local->iw_mode == IW_MODE_INFRA) {
729 if (hostap_join_ap(dev))
730 return -EINVAL;
731 } else {
732 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
733 "in Managed mode when host_roaming is enabled\n",
734 dev->name);
735 }
736
737 return 0;
738 #endif /* PRISM2_NO_STATION_MODES */
739 }
740
741 static int prism2_ioctl_giwap(struct net_device *dev,
742 struct iw_request_info *info,
743 struct sockaddr *ap_addr, char *extra)
744 {
745 struct hostap_interface *iface;
746 local_info_t *local;
747
748 iface = netdev_priv(dev);
749 local = iface->local;
750
751 ap_addr->sa_family = ARPHRD_ETHER;
752 switch (iface->type) {
753 case HOSTAP_INTERFACE_AP:
754 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
755 break;
756 case HOSTAP_INTERFACE_STA:
757 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
758 break;
759 case HOSTAP_INTERFACE_WDS:
760 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
761 break;
762 default:
763 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
764 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
765 return -EOPNOTSUPP;
766
767 /* local->bssid is also updated in LinkStatus handler when in
768 * station mode */
769 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
770 break;
771 }
772
773 return 0;
774 }
775
776
777 static int prism2_ioctl_siwnickn(struct net_device *dev,
778 struct iw_request_info *info,
779 struct iw_point *data, char *nickname)
780 {
781 struct hostap_interface *iface;
782 local_info_t *local;
783
784 iface = netdev_priv(dev);
785 local = iface->local;
786
787 memset(local->name, 0, sizeof(local->name));
788 memcpy(local->name, nickname, data->length);
789 local->name_set = 1;
790
791 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
792 local->func->reset_port(dev))
793 return -EINVAL;
794
795 return 0;
796 }
797
798 static int prism2_ioctl_giwnickn(struct net_device *dev,
799 struct iw_request_info *info,
800 struct iw_point *data, char *nickname)
801 {
802 struct hostap_interface *iface;
803 local_info_t *local;
804 int len;
805 char name[MAX_NAME_LEN + 3];
806 u16 val;
807
808 iface = netdev_priv(dev);
809 local = iface->local;
810
811 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
812 &name, MAX_NAME_LEN + 2, 0);
813 val = le16_to_cpu(*(__le16 *) name);
814 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
815 return -EOPNOTSUPP;
816
817 name[val + 2] = '\0';
818 data->length = val + 1;
819 memcpy(nickname, name + 2, val + 1);
820
821 return 0;
822 }
823
824
825 static int prism2_ioctl_siwfreq(struct net_device *dev,
826 struct iw_request_info *info,
827 struct iw_freq *freq, char *extra)
828 {
829 struct hostap_interface *iface;
830 local_info_t *local;
831
832 iface = netdev_priv(dev);
833 local = iface->local;
834
835 /* freq => chan. */
836 if (freq->e == 1 &&
837 freq->m / 100000 >= freq_list[0] &&
838 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
839 int ch;
840 int fr = freq->m / 100000;
841 for (ch = 0; ch < FREQ_COUNT; ch++) {
842 if (fr == freq_list[ch]) {
843 freq->e = 0;
844 freq->m = ch + 1;
845 break;
846 }
847 }
848 }
849
850 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
851 !(local->channel_mask & (1 << (freq->m - 1))))
852 return -EINVAL;
853
854 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
855 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
856 local->func->reset_port(dev))
857 return -EINVAL;
858
859 return 0;
860 }
861
862 static int prism2_ioctl_giwfreq(struct net_device *dev,
863 struct iw_request_info *info,
864 struct iw_freq *freq, char *extra)
865 {
866 struct hostap_interface *iface;
867 local_info_t *local;
868 u16 val;
869
870 iface = netdev_priv(dev);
871 local = iface->local;
872
873 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
874 0)
875 return -EINVAL;
876
877 le16_to_cpus(&val);
878 if (val < 1 || val > FREQ_COUNT)
879 return -EINVAL;
880
881 freq->m = freq_list[val - 1] * 100000;
882 freq->e = 1;
883
884 return 0;
885 }
886
887
888 static void hostap_monitor_set_type(local_info_t *local)
889 {
890 struct net_device *dev = local->ddev;
891
892 if (dev == NULL)
893 return;
894
895 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
896 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
897 dev->type = ARPHRD_IEEE80211_PRISM;
898 } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
899 dev->type = ARPHRD_IEEE80211_RADIOTAP;
900 } else {
901 dev->type = ARPHRD_IEEE80211;
902 }
903 }
904
905
906 static int prism2_ioctl_siwessid(struct net_device *dev,
907 struct iw_request_info *info,
908 struct iw_point *data, char *ssid)
909 {
910 struct hostap_interface *iface;
911 local_info_t *local;
912
913 iface = netdev_priv(dev);
914 local = iface->local;
915
916 if (iface->type == HOSTAP_INTERFACE_WDS)
917 return -EOPNOTSUPP;
918
919 if (data->flags == 0)
920 ssid[0] = '\0'; /* ANY */
921
922 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
923 /* Setting SSID to empty string seems to kill the card in
924 * Host AP mode */
925 printk(KERN_DEBUG "%s: Host AP mode does not support "
926 "'Any' essid\n", dev->name);
927 return -EINVAL;
928 }
929
930 memcpy(local->essid, ssid, data->length);
931 local->essid[data->length] = '\0';
932
933 if ((!local->fw_ap &&
934 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
935 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
936 local->func->reset_port(dev))
937 return -EINVAL;
938
939 return 0;
940 }
941
942 static int prism2_ioctl_giwessid(struct net_device *dev,
943 struct iw_request_info *info,
944 struct iw_point *data, char *essid)
945 {
946 struct hostap_interface *iface;
947 local_info_t *local;
948 u16 val;
949
950 iface = netdev_priv(dev);
951 local = iface->local;
952
953 if (iface->type == HOSTAP_INTERFACE_WDS)
954 return -EOPNOTSUPP;
955
956 data->flags = 1; /* active */
957 if (local->iw_mode == IW_MODE_MASTER) {
958 data->length = strlen(local->essid);
959 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
960 } else {
961 int len;
962 char ssid[MAX_SSID_LEN + 2];
963 memset(ssid, 0, sizeof(ssid));
964 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
965 &ssid, MAX_SSID_LEN + 2, 0);
966 val = le16_to_cpu(*(__le16 *) ssid);
967 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
968 return -EOPNOTSUPP;
969 }
970 data->length = val;
971 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
972 }
973
974 return 0;
975 }
976
977
978 static int prism2_ioctl_giwrange(struct net_device *dev,
979 struct iw_request_info *info,
980 struct iw_point *data, char *extra)
981 {
982 struct hostap_interface *iface;
983 local_info_t *local;
984 struct iw_range *range = (struct iw_range *) extra;
985 u8 rates[10];
986 u16 val;
987 int i, len, over2;
988
989 iface = netdev_priv(dev);
990 local = iface->local;
991
992 data->length = sizeof(struct iw_range);
993 memset(range, 0, sizeof(struct iw_range));
994
995 /* TODO: could fill num_txpower and txpower array with
996 * something; however, there are 128 different values.. */
997
998 range->txpower_capa = IW_TXPOW_DBM;
999
1000 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1001 {
1002 range->min_pmp = 1 * 1024;
1003 range->max_pmp = 65535 * 1024;
1004 range->min_pmt = 1 * 1024;
1005 range->max_pmt = 1000 * 1024;
1006 range->pmp_flags = IW_POWER_PERIOD;
1007 range->pmt_flags = IW_POWER_TIMEOUT;
1008 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1009 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1010 }
1011
1012 range->we_version_compiled = WIRELESS_EXT;
1013 range->we_version_source = 18;
1014
1015 range->retry_capa = IW_RETRY_LIMIT;
1016 range->retry_flags = IW_RETRY_LIMIT;
1017 range->min_retry = 0;
1018 range->max_retry = 255;
1019
1020 range->num_channels = FREQ_COUNT;
1021
1022 val = 0;
1023 for (i = 0; i < FREQ_COUNT; i++) {
1024 if (local->channel_mask & (1 << i)) {
1025 range->freq[val].i = i + 1;
1026 range->freq[val].m = freq_list[i] * 100000;
1027 range->freq[val].e = 1;
1028 val++;
1029 }
1030 if (val == IW_MAX_FREQUENCIES)
1031 break;
1032 }
1033 range->num_frequency = val;
1034
1035 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1036 range->max_qual.qual = 70; /* what is correct max? This was not
1037 * documented exactly. At least
1038 * 69 has been observed. */
1039 range->max_qual.level = 0; /* dB */
1040 range->max_qual.noise = 0; /* dB */
1041
1042 /* What would be suitable values for "average/typical" qual? */
1043 range->avg_qual.qual = 20;
1044 range->avg_qual.level = -60;
1045 range->avg_qual.noise = -95;
1046 } else {
1047 range->max_qual.qual = 92; /* 0 .. 92 */
1048 range->max_qual.level = 154; /* 27 .. 154 */
1049 range->max_qual.noise = 154; /* 27 .. 154 */
1050 }
1051 range->sensitivity = 3;
1052
1053 range->max_encoding_tokens = WEP_KEYS;
1054 range->num_encoding_sizes = 2;
1055 range->encoding_size[0] = 5;
1056 range->encoding_size[1] = 13;
1057
1058 over2 = 0;
1059 len = prism2_get_datarates(dev, rates);
1060 range->num_bitrates = 0;
1061 for (i = 0; i < len; i++) {
1062 if (range->num_bitrates < IW_MAX_BITRATES) {
1063 range->bitrate[range->num_bitrates] =
1064 rates[i] * 500000;
1065 range->num_bitrates++;
1066 }
1067 if (rates[i] == 0x0b || rates[i] == 0x16)
1068 over2 = 1;
1069 }
1070 /* estimated maximum TCP throughput values (bps) */
1071 range->throughput = over2 ? 5500000 : 1500000;
1072
1073 range->min_rts = 0;
1074 range->max_rts = 2347;
1075 range->min_frag = 256;
1076 range->max_frag = 2346;
1077
1078 /* Event capability (kernel + driver) */
1079 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1080 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1081 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1082 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1083 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1084 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1085 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1086 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1087 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1088
1089 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1090 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1091
1092 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1093 range->scan_capa = IW_SCAN_CAPA_ESSID;
1094
1095 return 0;
1096 }
1097
1098
1099 static int hostap_monitor_mode_enable(local_info_t *local)
1100 {
1101 struct net_device *dev = local->dev;
1102
1103 printk(KERN_DEBUG "Enabling monitor mode\n");
1104 hostap_monitor_set_type(local);
1105
1106 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1107 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1108 printk(KERN_DEBUG "Port type setting for monitor mode "
1109 "failed\n");
1110 return -EOPNOTSUPP;
1111 }
1112
1113 /* Host decrypt is needed to get the IV and ICV fields;
1114 * however, monitor mode seems to remove WEP flag from frame
1115 * control field */
1116 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1117 HFA384X_WEPFLAGS_HOSTENCRYPT |
1118 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1119 printk(KERN_DEBUG "WEP flags setting failed\n");
1120 return -EOPNOTSUPP;
1121 }
1122
1123 if (local->func->reset_port(dev) ||
1124 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1125 (HFA384X_TEST_MONITOR << 8),
1126 0, NULL, NULL)) {
1127 printk(KERN_DEBUG "Setting monitor mode failed\n");
1128 return -EOPNOTSUPP;
1129 }
1130
1131 return 0;
1132 }
1133
1134
1135 static int hostap_monitor_mode_disable(local_info_t *local)
1136 {
1137 struct net_device *dev = local->ddev;
1138
1139 if (dev == NULL)
1140 return -1;
1141
1142 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1143 dev->type = ARPHRD_ETHER;
1144
1145 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1146 (HFA384X_TEST_STOP << 8),
1147 0, NULL, NULL))
1148 return -1;
1149 return hostap_set_encryption(local);
1150 }
1151
1152
1153 static int prism2_ioctl_siwmode(struct net_device *dev,
1154 struct iw_request_info *info,
1155 __u32 *mode, char *extra)
1156 {
1157 struct hostap_interface *iface;
1158 local_info_t *local;
1159 int double_reset = 0;
1160
1161 iface = netdev_priv(dev);
1162 local = iface->local;
1163
1164 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1165 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1166 *mode != IW_MODE_MONITOR)
1167 return -EOPNOTSUPP;
1168
1169 #ifdef PRISM2_NO_STATION_MODES
1170 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1171 return -EOPNOTSUPP;
1172 #endif /* PRISM2_NO_STATION_MODES */
1173
1174 if (*mode == local->iw_mode)
1175 return 0;
1176
1177 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1178 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1179 "mode\n", dev->name);
1180 return -EINVAL;
1181 }
1182
1183 if (local->iw_mode == IW_MODE_MONITOR)
1184 hostap_monitor_mode_disable(local);
1185
1186 if ((local->iw_mode == IW_MODE_ADHOC ||
1187 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1188 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1189 * that leaves beacon frames to use IBSS type when moving from
1190 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1191 * enough to workaround this. */
1192 double_reset = 1;
1193 }
1194
1195 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1196 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1197 local->iw_mode = *mode;
1198
1199 if (local->iw_mode == IW_MODE_MONITOR)
1200 hostap_monitor_mode_enable(local);
1201 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1202 !local->fw_encrypt_ok) {
1203 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1204 "a workaround for firmware bug in Host AP mode WEP\n",
1205 dev->name);
1206 local->host_encrypt = 1;
1207 }
1208
1209 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1210 hostap_get_porttype(local)))
1211 return -EOPNOTSUPP;
1212
1213 if (local->func->reset_port(dev))
1214 return -EINVAL;
1215 if (double_reset && local->func->reset_port(dev))
1216 return -EINVAL;
1217
1218 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1219 {
1220 /* netif_carrier is used only in client modes for now, so make
1221 * sure carrier is on when moving to non-client modes. */
1222 netif_carrier_on(local->dev);
1223 netif_carrier_on(local->ddev);
1224 }
1225 return 0;
1226 }
1227
1228
1229 static int prism2_ioctl_giwmode(struct net_device *dev,
1230 struct iw_request_info *info,
1231 __u32 *mode, char *extra)
1232 {
1233 struct hostap_interface *iface;
1234 local_info_t *local;
1235
1236 iface = netdev_priv(dev);
1237 local = iface->local;
1238
1239 switch (iface->type) {
1240 case HOSTAP_INTERFACE_STA:
1241 *mode = IW_MODE_INFRA;
1242 break;
1243 case HOSTAP_INTERFACE_WDS:
1244 *mode = IW_MODE_REPEAT;
1245 break;
1246 default:
1247 *mode = local->iw_mode;
1248 break;
1249 }
1250 return 0;
1251 }
1252
1253
1254 static int prism2_ioctl_siwpower(struct net_device *dev,
1255 struct iw_request_info *info,
1256 struct iw_param *wrq, char *extra)
1257 {
1258 #ifdef PRISM2_NO_STATION_MODES
1259 return -EOPNOTSUPP;
1260 #else /* PRISM2_NO_STATION_MODES */
1261 int ret = 0;
1262
1263 if (wrq->disabled)
1264 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1265
1266 switch (wrq->flags & IW_POWER_MODE) {
1267 case IW_POWER_UNICAST_R:
1268 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1269 if (ret)
1270 return ret;
1271 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1272 if (ret)
1273 return ret;
1274 break;
1275 case IW_POWER_ALL_R:
1276 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1277 if (ret)
1278 return ret;
1279 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1280 if (ret)
1281 return ret;
1282 break;
1283 case IW_POWER_ON:
1284 break;
1285 default:
1286 return -EINVAL;
1287 }
1288
1289 if (wrq->flags & IW_POWER_TIMEOUT) {
1290 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1291 if (ret)
1292 return ret;
1293 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1294 wrq->value / 1024);
1295 if (ret)
1296 return ret;
1297 }
1298 if (wrq->flags & IW_POWER_PERIOD) {
1299 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1300 if (ret)
1301 return ret;
1302 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1303 wrq->value / 1024);
1304 if (ret)
1305 return ret;
1306 }
1307
1308 return ret;
1309 #endif /* PRISM2_NO_STATION_MODES */
1310 }
1311
1312
1313 static int prism2_ioctl_giwpower(struct net_device *dev,
1314 struct iw_request_info *info,
1315 struct iw_param *rrq, char *extra)
1316 {
1317 #ifdef PRISM2_NO_STATION_MODES
1318 return -EOPNOTSUPP;
1319 #else /* PRISM2_NO_STATION_MODES */
1320 struct hostap_interface *iface;
1321 local_info_t *local;
1322 __le16 enable, mcast;
1323
1324 iface = netdev_priv(dev);
1325 local = iface->local;
1326
1327 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1328 < 0)
1329 return -EINVAL;
1330
1331 if (!le16_to_cpu(enable)) {
1332 rrq->disabled = 1;
1333 return 0;
1334 }
1335
1336 rrq->disabled = 0;
1337
1338 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1339 __le16 timeout;
1340 if (local->func->get_rid(dev,
1341 HFA384X_RID_CNFPMHOLDOVERDURATION,
1342 &timeout, 2, 1) < 0)
1343 return -EINVAL;
1344
1345 rrq->flags = IW_POWER_TIMEOUT;
1346 rrq->value = le16_to_cpu(timeout) * 1024;
1347 } else {
1348 __le16 period;
1349 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1350 &period, 2, 1) < 0)
1351 return -EINVAL;
1352
1353 rrq->flags = IW_POWER_PERIOD;
1354 rrq->value = le16_to_cpu(period) * 1024;
1355 }
1356
1357 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1358 2, 1) < 0)
1359 return -EINVAL;
1360
1361 if (le16_to_cpu(mcast))
1362 rrq->flags |= IW_POWER_ALL_R;
1363 else
1364 rrq->flags |= IW_POWER_UNICAST_R;
1365
1366 return 0;
1367 #endif /* PRISM2_NO_STATION_MODES */
1368 }
1369
1370
1371 static int prism2_ioctl_siwretry(struct net_device *dev,
1372 struct iw_request_info *info,
1373 struct iw_param *rrq, char *extra)
1374 {
1375 struct hostap_interface *iface;
1376 local_info_t *local;
1377
1378 iface = netdev_priv(dev);
1379 local = iface->local;
1380
1381 if (rrq->disabled)
1382 return -EINVAL;
1383
1384 /* setting retry limits is not supported with the current station
1385 * firmware code; simulate this with alternative retry count for now */
1386 if (rrq->flags == IW_RETRY_LIMIT) {
1387 if (rrq->value < 0) {
1388 /* disable manual retry count setting and use firmware
1389 * defaults */
1390 local->manual_retry_count = -1;
1391 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1392 } else {
1393 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1394 rrq->value)) {
1395 printk(KERN_DEBUG "%s: Alternate retry count "
1396 "setting to %d failed\n",
1397 dev->name, rrq->value);
1398 return -EOPNOTSUPP;
1399 }
1400
1401 local->manual_retry_count = rrq->value;
1402 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1403 }
1404 return 0;
1405 }
1406
1407 return -EOPNOTSUPP;
1408
1409 #if 0
1410 /* what could be done, if firmware would support this.. */
1411
1412 if (rrq->flags & IW_RETRY_LIMIT) {
1413 if (rrq->flags & IW_RETRY_LONG)
1414 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1415 else if (rrq->flags & IW_RETRY_SHORT)
1416 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1417 else {
1418 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1419 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1420 }
1421
1422 }
1423
1424 if (rrq->flags & IW_RETRY_LIFETIME) {
1425 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1426 }
1427
1428 return 0;
1429 #endif /* 0 */
1430 }
1431
1432 static int prism2_ioctl_giwretry(struct net_device *dev,
1433 struct iw_request_info *info,
1434 struct iw_param *rrq, char *extra)
1435 {
1436 struct hostap_interface *iface;
1437 local_info_t *local;
1438 __le16 shortretry, longretry, lifetime, altretry;
1439
1440 iface = netdev_priv(dev);
1441 local = iface->local;
1442
1443 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1444 2, 1) < 0 ||
1445 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1446 2, 1) < 0 ||
1447 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1448 &lifetime, 2, 1) < 0)
1449 return -EINVAL;
1450
1451 rrq->disabled = 0;
1452
1453 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1454 rrq->flags = IW_RETRY_LIFETIME;
1455 rrq->value = le16_to_cpu(lifetime) * 1024;
1456 } else {
1457 if (local->manual_retry_count >= 0) {
1458 rrq->flags = IW_RETRY_LIMIT;
1459 if (local->func->get_rid(dev,
1460 HFA384X_RID_CNFALTRETRYCOUNT,
1461 &altretry, 2, 1) >= 0)
1462 rrq->value = le16_to_cpu(altretry);
1463 else
1464 rrq->value = local->manual_retry_count;
1465 } else if ((rrq->flags & IW_RETRY_LONG)) {
1466 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1467 rrq->value = le16_to_cpu(longretry);
1468 } else {
1469 rrq->flags = IW_RETRY_LIMIT;
1470 rrq->value = le16_to_cpu(shortretry);
1471 if (shortretry != longretry)
1472 rrq->flags |= IW_RETRY_SHORT;
1473 }
1474 }
1475 return 0;
1476 }
1477
1478
1479 /* Note! This TX power controlling is experimental and should not be used in
1480 * production use. It just sets raw power register and does not use any kind of
1481 * feedback information from the measured TX power (CR58). This is now
1482 * commented out to make sure that it is not used by accident. TX power
1483 * configuration will be enabled again after proper algorithm using feedback
1484 * has been implemented. */
1485
1486 #ifdef RAW_TXPOWER_SETTING
1487 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1488 * This version assumes following mapping:
1489 * CR31 is 7-bit value with -64 to +63 range.
1490 * -64 is mapped into +20dBm and +63 into -43dBm.
1491 * This is certainly not an exact mapping for every card, but at least
1492 * increasing dBm value should correspond to increasing TX power.
1493 */
1494
1495 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1496 {
1497 signed char tmp;
1498
1499 if (val > 255)
1500 val = 255;
1501
1502 tmp = val;
1503 tmp >>= 2;
1504
1505 return -12 - tmp;
1506 }
1507
1508 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1509 {
1510 signed char tmp;
1511
1512 if (val > 20)
1513 return 128;
1514 else if (val < -43)
1515 return 127;
1516
1517 tmp = val;
1518 tmp = -12 - tmp;
1519 tmp <<= 2;
1520
1521 return (unsigned char) tmp;
1522 }
1523 #endif /* RAW_TXPOWER_SETTING */
1524
1525
1526 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1527 struct iw_request_info *info,
1528 struct iw_param *rrq, char *extra)
1529 {
1530 struct hostap_interface *iface;
1531 local_info_t *local;
1532 #ifdef RAW_TXPOWER_SETTING
1533 char *tmp;
1534 #endif
1535 u16 val;
1536 int ret = 0;
1537
1538 iface = netdev_priv(dev);
1539 local = iface->local;
1540
1541 if (rrq->disabled) {
1542 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1543 val = 0xff; /* use all standby and sleep modes */
1544 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1545 HFA386X_CR_A_D_TEST_MODES2,
1546 &val, NULL);
1547 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1548 dev->name, ret ? "failed" : "OK");
1549 local->txpower_type = PRISM2_TXPOWER_OFF;
1550 }
1551 return (ret ? -EOPNOTSUPP : 0);
1552 }
1553
1554 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1555 val = 0; /* disable all standby and sleep modes */
1556 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1557 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1558 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1559 dev->name, ret ? "failed" : "OK");
1560 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1561 }
1562
1563 #ifdef RAW_TXPOWER_SETTING
1564 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1565 printk(KERN_DEBUG "Setting ALC on\n");
1566 val = HFA384X_TEST_CFG_BIT_ALC;
1567 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1568 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1569 local->txpower_type = PRISM2_TXPOWER_AUTO;
1570 return 0;
1571 }
1572
1573 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1574 printk(KERN_DEBUG "Setting ALC off\n");
1575 val = HFA384X_TEST_CFG_BIT_ALC;
1576 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1577 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1578 local->txpower_type = PRISM2_TXPOWER_FIXED;
1579 }
1580
1581 if (rrq->flags == IW_TXPOW_DBM)
1582 tmp = "dBm";
1583 else if (rrq->flags == IW_TXPOW_MWATT)
1584 tmp = "mW";
1585 else
1586 tmp = "UNKNOWN";
1587 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1588
1589 if (rrq->flags != IW_TXPOW_DBM) {
1590 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1591 return -EOPNOTSUPP;
1592 }
1593
1594 local->txpower = rrq->value;
1595 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1596 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1597 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1598 ret = -EOPNOTSUPP;
1599 #else /* RAW_TXPOWER_SETTING */
1600 if (rrq->fixed)
1601 ret = -EOPNOTSUPP;
1602 #endif /* RAW_TXPOWER_SETTING */
1603
1604 return ret;
1605 }
1606
1607 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1608 struct iw_request_info *info,
1609 struct iw_param *rrq, char *extra)
1610 {
1611 #ifdef RAW_TXPOWER_SETTING
1612 struct hostap_interface *iface;
1613 local_info_t *local;
1614 u16 resp0;
1615
1616 iface = netdev_priv(dev);
1617 local = iface->local;
1618
1619 rrq->flags = IW_TXPOW_DBM;
1620 rrq->disabled = 0;
1621 rrq->fixed = 0;
1622
1623 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1624 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1625 HFA386X_CR_MANUAL_TX_POWER,
1626 NULL, &resp0) == 0) {
1627 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1628 } else {
1629 /* Could not get real txpower; guess 15 dBm */
1630 rrq->value = 15;
1631 }
1632 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1633 rrq->value = 0;
1634 rrq->disabled = 1;
1635 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1636 rrq->value = local->txpower;
1637 rrq->fixed = 1;
1638 } else {
1639 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1640 local->txpower_type);
1641 }
1642 return 0;
1643 #else /* RAW_TXPOWER_SETTING */
1644 return -EOPNOTSUPP;
1645 #endif /* RAW_TXPOWER_SETTING */
1646 }
1647
1648
1649 #ifndef PRISM2_NO_STATION_MODES
1650
1651 /* HostScan request works with and without host_roaming mode. In addition, it
1652 * does not break current association. However, it requires newer station
1653 * firmware version (>= 1.3.1) than scan request. */
1654 static int prism2_request_hostscan(struct net_device *dev,
1655 u8 *ssid, u8 ssid_len)
1656 {
1657 struct hostap_interface *iface;
1658 local_info_t *local;
1659 struct hfa384x_hostscan_request scan_req;
1660
1661 iface = netdev_priv(dev);
1662 local = iface->local;
1663
1664 memset(&scan_req, 0, sizeof(scan_req));
1665 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1666 local->scan_channel_mask);
1667 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1668 if (ssid) {
1669 if (ssid_len > 32)
1670 return -EINVAL;
1671 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1672 memcpy(scan_req.target_ssid, ssid, ssid_len);
1673 }
1674
1675 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1676 sizeof(scan_req))) {
1677 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1678 return -EINVAL;
1679 }
1680 return 0;
1681 }
1682
1683
1684 static int prism2_request_scan(struct net_device *dev)
1685 {
1686 struct hostap_interface *iface;
1687 local_info_t *local;
1688 struct hfa384x_scan_request scan_req;
1689 int ret = 0;
1690
1691 iface = netdev_priv(dev);
1692 local = iface->local;
1693
1694 memset(&scan_req, 0, sizeof(scan_req));
1695 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1696 local->scan_channel_mask);
1697 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1698
1699 /* FIX:
1700 * It seems to be enough to set roaming mode for a short moment to
1701 * host-based and then setup scanrequest data and return the mode to
1702 * firmware-based.
1703 *
1704 * Master mode would need to drop to Managed mode for a short while
1705 * to make scanning work.. Or sweep through the different channels and
1706 * use passive scan based on beacons. */
1707
1708 if (!local->host_roaming)
1709 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1710 HFA384X_ROAMING_HOST);
1711
1712 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1713 sizeof(scan_req))) {
1714 printk(KERN_DEBUG "SCANREQUEST failed\n");
1715 ret = -EINVAL;
1716 }
1717
1718 if (!local->host_roaming)
1719 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1720 HFA384X_ROAMING_FIRMWARE);
1721
1722 return 0;
1723 }
1724
1725 #else /* !PRISM2_NO_STATION_MODES */
1726
1727 static inline int prism2_request_hostscan(struct net_device *dev,
1728 u8 *ssid, u8 ssid_len)
1729 {
1730 return -EOPNOTSUPP;
1731 }
1732
1733
1734 static inline int prism2_request_scan(struct net_device *dev)
1735 {
1736 return -EOPNOTSUPP;
1737 }
1738
1739 #endif /* !PRISM2_NO_STATION_MODES */
1740
1741
1742 static int prism2_ioctl_siwscan(struct net_device *dev,
1743 struct iw_request_info *info,
1744 struct iw_point *data, char *extra)
1745 {
1746 struct hostap_interface *iface;
1747 local_info_t *local;
1748 int ret;
1749 u8 *ssid = NULL, ssid_len = 0;
1750 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1751
1752 iface = netdev_priv(dev);
1753 local = iface->local;
1754
1755 if (data->length < sizeof(struct iw_scan_req))
1756 req = NULL;
1757
1758 if (local->iw_mode == IW_MODE_MASTER) {
1759 /* In master mode, we just return the results of our local
1760 * tables, so we don't need to start anything...
1761 * Jean II */
1762 data->length = 0;
1763 return 0;
1764 }
1765
1766 if (!local->dev_enabled)
1767 return -ENETDOWN;
1768
1769 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1770 ssid = req->essid;
1771 ssid_len = req->essid_len;
1772
1773 if (ssid_len &&
1774 ((local->iw_mode != IW_MODE_INFRA &&
1775 local->iw_mode != IW_MODE_ADHOC) ||
1776 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1777 return -EOPNOTSUPP;
1778 }
1779
1780 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1781 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1782 else
1783 ret = prism2_request_scan(dev);
1784
1785 if (ret == 0)
1786 local->scan_timestamp = jiffies;
1787
1788 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1789
1790 return ret;
1791 }
1792
1793
1794 #ifndef PRISM2_NO_STATION_MODES
1795 static char * __prism2_translate_scan(local_info_t *local,
1796 struct iw_request_info *info,
1797 struct hfa384x_hostscan_result *scan,
1798 struct hostap_bss_info *bss,
1799 char *current_ev, char *end_buf)
1800 {
1801 int i, chan;
1802 struct iw_event iwe;
1803 char *current_val;
1804 u16 capabilities;
1805 u8 *pos;
1806 u8 *ssid, *bssid;
1807 size_t ssid_len;
1808 char *buf;
1809
1810 if (bss) {
1811 ssid = bss->ssid;
1812 ssid_len = bss->ssid_len;
1813 bssid = bss->bssid;
1814 } else {
1815 ssid = scan->ssid;
1816 ssid_len = le16_to_cpu(scan->ssid_len);
1817 bssid = scan->bssid;
1818 }
1819 if (ssid_len > 32)
1820 ssid_len = 32;
1821
1822 /* First entry *MUST* be the AP MAC address */
1823 memset(&iwe, 0, sizeof(iwe));
1824 iwe.cmd = SIOCGIWAP;
1825 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1826 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1827 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1828 IW_EV_ADDR_LEN);
1829
1830 /* Other entries will be displayed in the order we give them */
1831
1832 memset(&iwe, 0, sizeof(iwe));
1833 iwe.cmd = SIOCGIWESSID;
1834 iwe.u.data.length = ssid_len;
1835 iwe.u.data.flags = 1;
1836 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1837 &iwe, ssid);
1838
1839 memset(&iwe, 0, sizeof(iwe));
1840 iwe.cmd = SIOCGIWMODE;
1841 if (bss) {
1842 capabilities = bss->capab_info;
1843 } else {
1844 capabilities = le16_to_cpu(scan->capability);
1845 }
1846 if (capabilities & (WLAN_CAPABILITY_ESS |
1847 WLAN_CAPABILITY_IBSS)) {
1848 if (capabilities & WLAN_CAPABILITY_ESS)
1849 iwe.u.mode = IW_MODE_MASTER;
1850 else
1851 iwe.u.mode = IW_MODE_ADHOC;
1852 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1853 &iwe, IW_EV_UINT_LEN);
1854 }
1855
1856 memset(&iwe, 0, sizeof(iwe));
1857 iwe.cmd = SIOCGIWFREQ;
1858 if (scan) {
1859 chan = le16_to_cpu(scan->chid);
1860 } else if (bss) {
1861 chan = bss->chan;
1862 } else {
1863 chan = 0;
1864 }
1865
1866 if (chan > 0) {
1867 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1868 iwe.u.freq.e = 1;
1869 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1870 &iwe, IW_EV_FREQ_LEN);
1871 }
1872
1873 if (scan) {
1874 memset(&iwe, 0, sizeof(iwe));
1875 iwe.cmd = IWEVQUAL;
1876 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1877 iwe.u.qual.level = le16_to_cpu(scan->sl);
1878 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1879 } else {
1880 iwe.u.qual.level =
1881 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1882 iwe.u.qual.noise =
1883 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1884 }
1885 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1886 | IW_QUAL_NOISE_UPDATED
1887 | IW_QUAL_QUAL_INVALID
1888 | IW_QUAL_DBM;
1889 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1890 &iwe, IW_EV_QUAL_LEN);
1891 }
1892
1893 memset(&iwe, 0, sizeof(iwe));
1894 iwe.cmd = SIOCGIWENCODE;
1895 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1896 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1897 else
1898 iwe.u.data.flags = IW_ENCODE_DISABLED;
1899 iwe.u.data.length = 0;
1900 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1901
1902 /* TODO: add SuppRates into BSS table */
1903 if (scan) {
1904 memset(&iwe, 0, sizeof(iwe));
1905 iwe.cmd = SIOCGIWRATE;
1906 current_val = current_ev + iwe_stream_lcp_len(info);
1907 pos = scan->sup_rates;
1908 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1909 if (pos[i] == 0)
1910 break;
1911 /* Bit rate given in 500 kb/s units (+ 0x80) */
1912 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1913 current_val = iwe_stream_add_value(
1914 info, current_ev, current_val, end_buf, &iwe,
1915 IW_EV_PARAM_LEN);
1916 }
1917 /* Check if we added any event */
1918 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1919 current_ev = current_val;
1920 }
1921
1922 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1923 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1924 if (buf && scan) {
1925 memset(&iwe, 0, sizeof(iwe));
1926 iwe.cmd = IWEVCUSTOM;
1927 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1928 iwe.u.data.length = strlen(buf);
1929 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1930 &iwe, buf);
1931
1932 memset(&iwe, 0, sizeof(iwe));
1933 iwe.cmd = IWEVCUSTOM;
1934 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1935 iwe.u.data.length = strlen(buf);
1936 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1937 &iwe, buf);
1938
1939 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1940 (capabilities & WLAN_CAPABILITY_IBSS)) {
1941 memset(&iwe, 0, sizeof(iwe));
1942 iwe.cmd = IWEVCUSTOM;
1943 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1944 iwe.u.data.length = strlen(buf);
1945 current_ev = iwe_stream_add_point(info, current_ev,
1946 end_buf, &iwe, buf);
1947 }
1948 }
1949 kfree(buf);
1950
1951 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1952 memset(&iwe, 0, sizeof(iwe));
1953 iwe.cmd = IWEVGENIE;
1954 iwe.u.data.length = bss->wpa_ie_len;
1955 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1956 &iwe, bss->wpa_ie);
1957 }
1958
1959 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1960 memset(&iwe, 0, sizeof(iwe));
1961 iwe.cmd = IWEVGENIE;
1962 iwe.u.data.length = bss->rsn_ie_len;
1963 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1964 &iwe, bss->rsn_ie);
1965 }
1966
1967 return current_ev;
1968 }
1969
1970
1971 /* Translate scan data returned from the card to a card independant
1972 * format that the Wireless Tools will understand - Jean II */
1973 static inline int prism2_translate_scan(local_info_t *local,
1974 struct iw_request_info *info,
1975 char *buffer, int buflen)
1976 {
1977 struct hfa384x_hostscan_result *scan;
1978 int entry, hostscan;
1979 char *current_ev = buffer;
1980 char *end_buf = buffer + buflen;
1981 struct list_head *ptr;
1982
1983 spin_lock_bh(&local->lock);
1984
1985 list_for_each(ptr, &local->bss_list) {
1986 struct hostap_bss_info *bss;
1987 bss = list_entry(ptr, struct hostap_bss_info, list);
1988 bss->included = 0;
1989 }
1990
1991 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1992 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1993 int found = 0;
1994 scan = &local->last_scan_results[entry];
1995
1996 /* Report every SSID if the AP is using multiple SSIDs. If no
1997 * BSS record is found (e.g., when WPA mode is disabled),
1998 * report the AP once. */
1999 list_for_each(ptr, &local->bss_list) {
2000 struct hostap_bss_info *bss;
2001 bss = list_entry(ptr, struct hostap_bss_info, list);
2002 if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
2003 bss->included = 1;
2004 current_ev = __prism2_translate_scan(
2005 local, info, scan, bss, current_ev,
2006 end_buf);
2007 found++;
2008 }
2009 }
2010 if (!found) {
2011 current_ev = __prism2_translate_scan(
2012 local, info, scan, NULL, current_ev, end_buf);
2013 }
2014 /* Check if there is space for one more entry */
2015 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2016 /* Ask user space to try again with a bigger buffer */
2017 spin_unlock_bh(&local->lock);
2018 return -E2BIG;
2019 }
2020 }
2021
2022 /* Prism2 firmware has limits (32 at least in some versions) for number
2023 * of BSSes in scan results. Extend this limit by using local BSS list.
2024 */
2025 list_for_each(ptr, &local->bss_list) {
2026 struct hostap_bss_info *bss;
2027 bss = list_entry(ptr, struct hostap_bss_info, list);
2028 if (bss->included)
2029 continue;
2030 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2031 current_ev, end_buf);
2032 /* Check if there is space for one more entry */
2033 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2034 /* Ask user space to try again with a bigger buffer */
2035 spin_unlock_bh(&local->lock);
2036 return -E2BIG;
2037 }
2038 }
2039
2040 spin_unlock_bh(&local->lock);
2041
2042 return current_ev - buffer;
2043 }
2044 #endif /* PRISM2_NO_STATION_MODES */
2045
2046
2047 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2048 struct iw_request_info *info,
2049 struct iw_point *data, char *extra)
2050 {
2051 #ifdef PRISM2_NO_STATION_MODES
2052 return -EOPNOTSUPP;
2053 #else /* PRISM2_NO_STATION_MODES */
2054 struct hostap_interface *iface;
2055 local_info_t *local;
2056 int res;
2057
2058 iface = netdev_priv(dev);
2059 local = iface->local;
2060
2061 /* Wait until the scan is finished. We can probably do better
2062 * than that - Jean II */
2063 if (local->scan_timestamp &&
2064 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2065 /* Important note : we don't want to block the caller
2066 * until results are ready for various reasons.
2067 * First, managing wait queues is complex and racy
2068 * (there may be multiple simultaneous callers).
2069 * Second, we grab some rtnetlink lock before comming
2070 * here (in dev_ioctl()).
2071 * Third, the caller can wait on the Wireless Event
2072 * - Jean II */
2073 return -EAGAIN;
2074 }
2075 local->scan_timestamp = 0;
2076
2077 res = prism2_translate_scan(local, info, extra, data->length);
2078
2079 if (res >= 0) {
2080 data->length = res;
2081 return 0;
2082 } else {
2083 data->length = 0;
2084 return res;
2085 }
2086 #endif /* PRISM2_NO_STATION_MODES */
2087 }
2088
2089
2090 static int prism2_ioctl_giwscan(struct net_device *dev,
2091 struct iw_request_info *info,
2092 struct iw_point *data, char *extra)
2093 {
2094 struct hostap_interface *iface;
2095 local_info_t *local;
2096 int res;
2097
2098 iface = netdev_priv(dev);
2099 local = iface->local;
2100
2101 if (local->iw_mode == IW_MODE_MASTER) {
2102 /* In MASTER mode, it doesn't make sense to go around
2103 * scanning the frequencies and make the stations we serve
2104 * wait when what the user is really interested about is the
2105 * list of stations and access points we are talking to.
2106 * So, just extract results from our cache...
2107 * Jean II */
2108
2109 /* Translate to WE format */
2110 res = prism2_ap_translate_scan(dev, info, extra);
2111 if (res >= 0) {
2112 printk(KERN_DEBUG "Scan result translation succeeded "
2113 "(length=%d)\n", res);
2114 data->length = res;
2115 return 0;
2116 } else {
2117 printk(KERN_DEBUG
2118 "Scan result translation failed (res=%d)\n",
2119 res);
2120 data->length = 0;
2121 return res;
2122 }
2123 } else {
2124 /* Station mode */
2125 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2126 }
2127 }
2128
2129
2130 static const struct iw_priv_args prism2_priv[] = {
2131 { PRISM2_IOCTL_MONITOR,
2132 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2133 { PRISM2_IOCTL_READMIF,
2134 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2135 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2136 { PRISM2_IOCTL_WRITEMIF,
2137 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2138 { PRISM2_IOCTL_RESET,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2140 { PRISM2_IOCTL_INQUIRE,
2141 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2142 { PRISM2_IOCTL_SET_RID_WORD,
2143 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2144 { PRISM2_IOCTL_MACCMD,
2145 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2146 { PRISM2_IOCTL_WDS_ADD,
2147 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2148 { PRISM2_IOCTL_WDS_DEL,
2149 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2150 { PRISM2_IOCTL_ADDMAC,
2151 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2152 { PRISM2_IOCTL_DELMAC,
2153 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2154 { PRISM2_IOCTL_KICKMAC,
2155 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2156 /* --- raw access to sub-ioctls --- */
2157 { PRISM2_IOCTL_PRISM2_PARAM,
2158 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2159 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2160 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2161 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2162 /* --- sub-ioctls handlers --- */
2163 { PRISM2_IOCTL_PRISM2_PARAM,
2164 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2165 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2166 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2167 /* --- sub-ioctls definitions --- */
2168 { PRISM2_PARAM_TXRATECTRL,
2169 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2170 { PRISM2_PARAM_TXRATECTRL,
2171 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2172 { PRISM2_PARAM_BEACON_INT,
2173 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2174 { PRISM2_PARAM_BEACON_INT,
2175 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2176 #ifndef PRISM2_NO_STATION_MODES
2177 { PRISM2_PARAM_PSEUDO_IBSS,
2178 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2179 { PRISM2_PARAM_PSEUDO_IBSS,
2180 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2181 #endif /* PRISM2_NO_STATION_MODES */
2182 { PRISM2_PARAM_ALC,
2183 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2184 { PRISM2_PARAM_ALC,
2185 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2186 { PRISM2_PARAM_DUMP,
2187 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2188 { PRISM2_PARAM_DUMP,
2189 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2190 { PRISM2_PARAM_OTHER_AP_POLICY,
2191 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2192 { PRISM2_PARAM_OTHER_AP_POLICY,
2193 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2194 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2195 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2196 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2197 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2198 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2199 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2200 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2201 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2202 { PRISM2_PARAM_DTIM_PERIOD,
2203 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2204 { PRISM2_PARAM_DTIM_PERIOD,
2205 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2206 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2207 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2208 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2209 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2210 { PRISM2_PARAM_MAX_WDS,
2211 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2212 { PRISM2_PARAM_MAX_WDS,
2213 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2214 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2215 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2216 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2217 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2218 { PRISM2_PARAM_AP_AUTH_ALGS,
2219 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2220 { PRISM2_PARAM_AP_AUTH_ALGS,
2221 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2222 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2223 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2224 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2225 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2226 { PRISM2_PARAM_HOST_ENCRYPT,
2227 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2228 { PRISM2_PARAM_HOST_ENCRYPT,
2229 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2230 { PRISM2_PARAM_HOST_DECRYPT,
2231 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2232 { PRISM2_PARAM_HOST_DECRYPT,
2233 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2234 #ifndef PRISM2_NO_STATION_MODES
2235 { PRISM2_PARAM_HOST_ROAMING,
2236 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2237 { PRISM2_PARAM_HOST_ROAMING,
2238 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2239 #endif /* PRISM2_NO_STATION_MODES */
2240 { PRISM2_PARAM_BCRX_STA_KEY,
2241 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2242 { PRISM2_PARAM_BCRX_STA_KEY,
2243 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2244 { PRISM2_PARAM_IEEE_802_1X,
2245 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2246 { PRISM2_PARAM_IEEE_802_1X,
2247 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2248 { PRISM2_PARAM_ANTSEL_TX,
2249 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2250 { PRISM2_PARAM_ANTSEL_TX,
2251 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2252 { PRISM2_PARAM_ANTSEL_RX,
2253 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2254 { PRISM2_PARAM_ANTSEL_RX,
2255 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2256 { PRISM2_PARAM_MONITOR_TYPE,
2257 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2258 { PRISM2_PARAM_MONITOR_TYPE,
2259 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2260 { PRISM2_PARAM_WDS_TYPE,
2261 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2262 { PRISM2_PARAM_WDS_TYPE,
2263 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2264 { PRISM2_PARAM_HOSTSCAN,
2265 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2266 { PRISM2_PARAM_HOSTSCAN,
2267 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2268 { PRISM2_PARAM_AP_SCAN,
2269 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2270 { PRISM2_PARAM_AP_SCAN,
2271 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2272 { PRISM2_PARAM_ENH_SEC,
2273 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2274 { PRISM2_PARAM_ENH_SEC,
2275 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2276 #ifdef PRISM2_IO_DEBUG
2277 { PRISM2_PARAM_IO_DEBUG,
2278 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2279 { PRISM2_PARAM_IO_DEBUG,
2280 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2281 #endif /* PRISM2_IO_DEBUG */
2282 { PRISM2_PARAM_BASIC_RATES,
2283 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2284 { PRISM2_PARAM_BASIC_RATES,
2285 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2286 { PRISM2_PARAM_OPER_RATES,
2287 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2288 { PRISM2_PARAM_OPER_RATES,
2289 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2290 { PRISM2_PARAM_HOSTAPD,
2291 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2292 { PRISM2_PARAM_HOSTAPD,
2293 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2294 { PRISM2_PARAM_HOSTAPD_STA,
2295 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2296 { PRISM2_PARAM_HOSTAPD_STA,
2297 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2298 { PRISM2_PARAM_WPA,
2299 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2300 { PRISM2_PARAM_WPA,
2301 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2302 { PRISM2_PARAM_PRIVACY_INVOKED,
2303 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2304 { PRISM2_PARAM_PRIVACY_INVOKED,
2305 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2306 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2307 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2308 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2309 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2310 { PRISM2_PARAM_DROP_UNENCRYPTED,
2311 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2312 { PRISM2_PARAM_DROP_UNENCRYPTED,
2313 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2314 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2315 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2316 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2317 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2318 };
2319
2320
2321 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2322 {
2323 struct hostap_interface *iface;
2324 local_info_t *local;
2325
2326 iface = netdev_priv(dev);
2327 local = iface->local;
2328
2329 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2330 return -EOPNOTSUPP;
2331
2332 return 0;
2333 }
2334
2335
2336 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2337 struct iw_request_info *info,
2338 void *wrqu, char *extra)
2339 {
2340 struct hostap_interface *iface;
2341 local_info_t *local;
2342 int *i = (int *) extra;
2343 int param = *i;
2344 int value = *(i + 1);
2345 int ret = 0;
2346 u16 val;
2347
2348 iface = netdev_priv(dev);
2349 local = iface->local;
2350
2351 switch (param) {
2352 case PRISM2_PARAM_TXRATECTRL:
2353 local->fw_tx_rate_control = value;
2354 break;
2355
2356 case PRISM2_PARAM_BEACON_INT:
2357 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2358 local->func->reset_port(dev))
2359 ret = -EINVAL;
2360 else
2361 local->beacon_int = value;
2362 break;
2363
2364 #ifndef PRISM2_NO_STATION_MODES
2365 case PRISM2_PARAM_PSEUDO_IBSS:
2366 if (value == local->pseudo_adhoc)
2367 break;
2368
2369 if (value != 0 && value != 1) {
2370 ret = -EINVAL;
2371 break;
2372 }
2373
2374 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2375 dev->name, local->pseudo_adhoc, value);
2376 local->pseudo_adhoc = value;
2377 if (local->iw_mode != IW_MODE_ADHOC)
2378 break;
2379
2380 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2381 hostap_get_porttype(local))) {
2382 ret = -EOPNOTSUPP;
2383 break;
2384 }
2385
2386 if (local->func->reset_port(dev))
2387 ret = -EINVAL;
2388 break;
2389 #endif /* PRISM2_NO_STATION_MODES */
2390
2391 case PRISM2_PARAM_ALC:
2392 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2393 value == 0 ? "Disabling" : "Enabling");
2394 val = HFA384X_TEST_CFG_BIT_ALC;
2395 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2396 (HFA384X_TEST_CFG_BITS << 8),
2397 value == 0 ? 0 : 1, &val, NULL);
2398 break;
2399
2400 case PRISM2_PARAM_DUMP:
2401 local->frame_dump = value;
2402 break;
2403
2404 case PRISM2_PARAM_OTHER_AP_POLICY:
2405 if (value < 0 || value > 3) {
2406 ret = -EINVAL;
2407 break;
2408 }
2409 if (local->ap != NULL)
2410 local->ap->ap_policy = value;
2411 break;
2412
2413 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2414 if (value < 0 || value > 7 * 24 * 60 * 60) {
2415 ret = -EINVAL;
2416 break;
2417 }
2418 if (local->ap != NULL)
2419 local->ap->max_inactivity = value * HZ;
2420 break;
2421
2422 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2423 if (local->ap != NULL)
2424 local->ap->bridge_packets = value;
2425 break;
2426
2427 case PRISM2_PARAM_DTIM_PERIOD:
2428 if (value < 0 || value > 65535) {
2429 ret = -EINVAL;
2430 break;
2431 }
2432 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2433 || local->func->reset_port(dev))
2434 ret = -EINVAL;
2435 else
2436 local->dtim_period = value;
2437 break;
2438
2439 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2440 if (local->ap != NULL)
2441 local->ap->nullfunc_ack = value;
2442 break;
2443
2444 case PRISM2_PARAM_MAX_WDS:
2445 local->wds_max_connections = value;
2446 break;
2447
2448 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2449 if (local->ap != NULL) {
2450 if (!local->ap->autom_ap_wds && value) {
2451 /* add WDS link to all APs in STA table */
2452 hostap_add_wds_links(local);
2453 }
2454 local->ap->autom_ap_wds = value;
2455 }
2456 break;
2457
2458 case PRISM2_PARAM_AP_AUTH_ALGS:
2459 local->auth_algs = value;
2460 if (hostap_set_auth_algs(local))
2461 ret = -EINVAL;
2462 break;
2463
2464 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2465 local->monitor_allow_fcserr = value;
2466 break;
2467
2468 case PRISM2_PARAM_HOST_ENCRYPT:
2469 local->host_encrypt = value;
2470 if (hostap_set_encryption(local) ||
2471 local->func->reset_port(dev))
2472 ret = -EINVAL;
2473 break;
2474
2475 case PRISM2_PARAM_HOST_DECRYPT:
2476 local->host_decrypt = value;
2477 if (hostap_set_encryption(local) ||
2478 local->func->reset_port(dev))
2479 ret = -EINVAL;
2480 break;
2481
2482 #ifndef PRISM2_NO_STATION_MODES
2483 case PRISM2_PARAM_HOST_ROAMING:
2484 if (value < 0 || value > 2) {
2485 ret = -EINVAL;
2486 break;
2487 }
2488 local->host_roaming = value;
2489 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2490 ret = -EINVAL;
2491 break;
2492 #endif /* PRISM2_NO_STATION_MODES */
2493
2494 case PRISM2_PARAM_BCRX_STA_KEY:
2495 local->bcrx_sta_key = value;
2496 break;
2497
2498 case PRISM2_PARAM_IEEE_802_1X:
2499 local->ieee_802_1x = value;
2500 break;
2501
2502 case PRISM2_PARAM_ANTSEL_TX:
2503 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2504 ret = -EINVAL;
2505 break;
2506 }
2507 local->antsel_tx = value;
2508 hostap_set_antsel(local);
2509 break;
2510
2511 case PRISM2_PARAM_ANTSEL_RX:
2512 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2513 ret = -EINVAL;
2514 break;
2515 }
2516 local->antsel_rx = value;
2517 hostap_set_antsel(local);
2518 break;
2519
2520 case PRISM2_PARAM_MONITOR_TYPE:
2521 if (value != PRISM2_MONITOR_80211 &&
2522 value != PRISM2_MONITOR_CAPHDR &&
2523 value != PRISM2_MONITOR_PRISM &&
2524 value != PRISM2_MONITOR_RADIOTAP) {
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
2672 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2673 local->scan_channel_mask = value;
2674 break;
2675
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
2687 static 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
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
2859 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2860 *param = local->scan_channel_mask;
2861 break;
2862
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
2874 static 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
2895 static 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
2915 static 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, task_pid_nr(current), 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
2961 static 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
3009 static 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
3024 static 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
3056 static 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 kfree(param);
3085 return ret;
3086 }
3087 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3088
3089
3090 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3091 size_t len)
3092 {
3093 struct hostap_interface *iface = netdev_priv(dev);
3094 local_info_t *local = iface->local;
3095 u8 *buf;
3096
3097 /*
3098 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3099 * includes it.
3100 */
3101 buf = kmalloc(len + 2, GFP_KERNEL);
3102 if (buf == NULL)
3103 return -ENOMEM;
3104
3105 *((__le16 *) buf) = cpu_to_le16(len);
3106 memcpy(buf + 2, elem, len);
3107
3108 kfree(local->generic_elem);
3109 local->generic_elem = buf;
3110 local->generic_elem_len = len + 2;
3111
3112 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3113 buf, len + 2);
3114 }
3115
3116
3117 static int prism2_ioctl_siwauth(struct net_device *dev,
3118 struct iw_request_info *info,
3119 struct iw_param *data, char *extra)
3120 {
3121 struct hostap_interface *iface = netdev_priv(dev);
3122 local_info_t *local = iface->local;
3123
3124 switch (data->flags & IW_AUTH_INDEX) {
3125 case IW_AUTH_WPA_VERSION:
3126 case IW_AUTH_CIPHER_PAIRWISE:
3127 case IW_AUTH_CIPHER_GROUP:
3128 case IW_AUTH_KEY_MGMT:
3129 /*
3130 * Host AP driver does not use these parameters and allows
3131 * wpa_supplicant to control them internally.
3132 */
3133 break;
3134 case IW_AUTH_TKIP_COUNTERMEASURES:
3135 local->tkip_countermeasures = data->value;
3136 break;
3137 case IW_AUTH_DROP_UNENCRYPTED:
3138 local->drop_unencrypted = data->value;
3139 break;
3140 case IW_AUTH_80211_AUTH_ALG:
3141 local->auth_algs = data->value;
3142 break;
3143 case IW_AUTH_WPA_ENABLED:
3144 if (data->value == 0) {
3145 local->wpa = 0;
3146 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3147 break;
3148 prism2_set_genericelement(dev, "", 0);
3149 local->host_roaming = 0;
3150 local->privacy_invoked = 0;
3151 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3152 0) ||
3153 hostap_set_roaming(local) ||
3154 hostap_set_encryption(local) ||
3155 local->func->reset_port(dev))
3156 return -EINVAL;
3157 break;
3158 }
3159 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3160 return -EOPNOTSUPP;
3161 local->host_roaming = 2;
3162 local->privacy_invoked = 1;
3163 local->wpa = 1;
3164 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3165 hostap_set_roaming(local) ||
3166 hostap_set_encryption(local) ||
3167 local->func->reset_port(dev))
3168 return -EINVAL;
3169 break;
3170 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3171 local->ieee_802_1x = data->value;
3172 break;
3173 case IW_AUTH_PRIVACY_INVOKED:
3174 local->privacy_invoked = data->value;
3175 break;
3176 default:
3177 return -EOPNOTSUPP;
3178 }
3179 return 0;
3180 }
3181
3182
3183 static int prism2_ioctl_giwauth(struct net_device *dev,
3184 struct iw_request_info *info,
3185 struct iw_param *data, char *extra)
3186 {
3187 struct hostap_interface *iface = netdev_priv(dev);
3188 local_info_t *local = iface->local;
3189
3190 switch (data->flags & IW_AUTH_INDEX) {
3191 case IW_AUTH_WPA_VERSION:
3192 case IW_AUTH_CIPHER_PAIRWISE:
3193 case IW_AUTH_CIPHER_GROUP:
3194 case IW_AUTH_KEY_MGMT:
3195 /*
3196 * Host AP driver does not use these parameters and allows
3197 * wpa_supplicant to control them internally.
3198 */
3199 return -EOPNOTSUPP;
3200 case IW_AUTH_TKIP_COUNTERMEASURES:
3201 data->value = local->tkip_countermeasures;
3202 break;
3203 case IW_AUTH_DROP_UNENCRYPTED:
3204 data->value = local->drop_unencrypted;
3205 break;
3206 case IW_AUTH_80211_AUTH_ALG:
3207 data->value = local->auth_algs;
3208 break;
3209 case IW_AUTH_WPA_ENABLED:
3210 data->value = local->wpa;
3211 break;
3212 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3213 data->value = local->ieee_802_1x;
3214 break;
3215 default:
3216 return -EOPNOTSUPP;
3217 }
3218 return 0;
3219 }
3220
3221
3222 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3223 struct iw_request_info *info,
3224 struct iw_point *erq, char *extra)
3225 {
3226 struct hostap_interface *iface = netdev_priv(dev);
3227 local_info_t *local = iface->local;
3228 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3229 int i, ret = 0;
3230 struct lib80211_crypto_ops *ops;
3231 struct lib80211_crypt_data **crypt;
3232 void *sta_ptr;
3233 u8 *addr;
3234 const char *alg, *module;
3235
3236 i = erq->flags & IW_ENCODE_INDEX;
3237 if (i > WEP_KEYS)
3238 return -EINVAL;
3239 if (i < 1 || i > WEP_KEYS)
3240 i = local->crypt_info.tx_keyidx;
3241 else
3242 i--;
3243 if (i < 0 || i >= WEP_KEYS)
3244 return -EINVAL;
3245
3246 addr = ext->addr.sa_data;
3247 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3248 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3249 sta_ptr = NULL;
3250 crypt = &local->crypt_info.crypt[i];
3251 } else {
3252 if (i != 0)
3253 return -EINVAL;
3254 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3255 if (sta_ptr == NULL) {
3256 if (local->iw_mode == IW_MODE_INFRA) {
3257 /*
3258 * TODO: add STA entry for the current AP so
3259 * that unicast key can be used. For now, this
3260 * is emulated by using default key idx 0.
3261 */
3262 i = 0;
3263 crypt = &local->crypt_info.crypt[i];
3264 } else
3265 return -EINVAL;
3266 }
3267 }
3268
3269 if ((erq->flags & IW_ENCODE_DISABLED) ||
3270 ext->alg == IW_ENCODE_ALG_NONE) {
3271 if (*crypt)
3272 prism2_crypt_delayed_deinit(local, crypt);
3273 goto done;
3274 }
3275
3276 switch (ext->alg) {
3277 case IW_ENCODE_ALG_WEP:
3278 alg = "WEP";
3279 module = "lib80211_crypt_wep";
3280 break;
3281 case IW_ENCODE_ALG_TKIP:
3282 alg = "TKIP";
3283 module = "lib80211_crypt_tkip";
3284 break;
3285 case IW_ENCODE_ALG_CCMP:
3286 alg = "CCMP";
3287 module = "lib80211_crypt_ccmp";
3288 break;
3289 default:
3290 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3291 local->dev->name, ext->alg);
3292 ret = -EOPNOTSUPP;
3293 goto done;
3294 }
3295
3296 ops = lib80211_get_crypto_ops(alg);
3297 if (ops == NULL) {
3298 request_module(module);
3299 ops = lib80211_get_crypto_ops(alg);
3300 }
3301 if (ops == NULL) {
3302 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3303 local->dev->name, alg);
3304 ret = -EOPNOTSUPP;
3305 goto done;
3306 }
3307
3308 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3309 /*
3310 * Per station encryption and other than WEP algorithms
3311 * require host-based encryption, so force them on
3312 * automatically.
3313 */
3314 local->host_decrypt = local->host_encrypt = 1;
3315 }
3316
3317 if (*crypt == NULL || (*crypt)->ops != ops) {
3318 struct lib80211_crypt_data *new_crypt;
3319
3320 prism2_crypt_delayed_deinit(local, crypt);
3321
3322 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3323 GFP_KERNEL);
3324 if (new_crypt == NULL) {
3325 ret = -ENOMEM;
3326 goto done;
3327 }
3328 new_crypt->ops = ops;
3329 new_crypt->priv = new_crypt->ops->init(i);
3330 if (new_crypt->priv == NULL) {
3331 kfree(new_crypt);
3332 ret = -EINVAL;
3333 goto done;
3334 }
3335
3336 *crypt = new_crypt;
3337 }
3338
3339 /*
3340 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3341 * existing seq# should not be changed.
3342 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3343 * should be changed to something else than zero.
3344 */
3345 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3346 && (*crypt)->ops->set_key &&
3347 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3348 (*crypt)->priv) < 0) {
3349 printk(KERN_DEBUG "%s: key setting failed\n",
3350 local->dev->name);
3351 ret = -EINVAL;
3352 goto done;
3353 }
3354
3355 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3356 if (!sta_ptr)
3357 local->crypt_info.tx_keyidx = i;
3358 }
3359
3360
3361 if (sta_ptr == NULL && ext->key_len > 0) {
3362 int first = 1, j;
3363 for (j = 0; j < WEP_KEYS; j++) {
3364 if (j != i && local->crypt_info.crypt[j]) {
3365 first = 0;
3366 break;
3367 }
3368 }
3369 if (first)
3370 local->crypt_info.tx_keyidx = i;
3371 }
3372
3373 done:
3374 if (sta_ptr)
3375 hostap_handle_sta_release(sta_ptr);
3376
3377 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3378
3379 /*
3380 * Do not reset port0 if card is in Managed mode since resetting will
3381 * generate new IEEE 802.11 authentication which may end up in looping
3382 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3383 * after WEP configuration. However, keys are apparently changed at
3384 * least in Managed mode.
3385 */
3386 if (ret == 0 &&
3387 (hostap_set_encryption(local) ||
3388 (local->iw_mode != IW_MODE_INFRA &&
3389 local->func->reset_port(local->dev))))
3390 ret = -EINVAL;
3391
3392 return ret;
3393 }
3394
3395
3396 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3397 struct iw_request_info *info,
3398 struct iw_point *erq, char *extra)
3399 {
3400 struct hostap_interface *iface = netdev_priv(dev);
3401 local_info_t *local = iface->local;
3402 struct lib80211_crypt_data **crypt;
3403 void *sta_ptr;
3404 int max_key_len, i;
3405 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3406 u8 *addr;
3407
3408 max_key_len = erq->length - sizeof(*ext);
3409 if (max_key_len < 0)
3410 return -EINVAL;
3411
3412 i = erq->flags & IW_ENCODE_INDEX;
3413 if (i < 1 || i > WEP_KEYS)
3414 i = local->crypt_info.tx_keyidx;
3415 else
3416 i--;
3417
3418 addr = ext->addr.sa_data;
3419 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3420 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3421 sta_ptr = NULL;
3422 crypt = &local->crypt_info.crypt[i];
3423 } else {
3424 i = 0;
3425 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3426 if (sta_ptr == NULL)
3427 return -EINVAL;
3428 }
3429 erq->flags = i + 1;
3430 memset(ext, 0, sizeof(*ext));
3431
3432 if (*crypt == NULL || (*crypt)->ops == NULL) {
3433 ext->alg = IW_ENCODE_ALG_NONE;
3434 ext->key_len = 0;
3435 erq->flags |= IW_ENCODE_DISABLED;
3436 } else {
3437 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3438 ext->alg = IW_ENCODE_ALG_WEP;
3439 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3440 ext->alg = IW_ENCODE_ALG_TKIP;
3441 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3442 ext->alg = IW_ENCODE_ALG_CCMP;
3443 else
3444 return -EINVAL;
3445
3446 if ((*crypt)->ops->get_key) {
3447 ext->key_len =
3448 (*crypt)->ops->get_key(ext->key,
3449 max_key_len,
3450 ext->tx_seq,
3451 (*crypt)->priv);
3452 if (ext->key_len &&
3453 (ext->alg == IW_ENCODE_ALG_TKIP ||
3454 ext->alg == IW_ENCODE_ALG_CCMP))
3455 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3456 }
3457 }
3458
3459 if (sta_ptr)
3460 hostap_handle_sta_release(sta_ptr);
3461
3462 return 0;
3463 }
3464
3465
3466 static int prism2_ioctl_set_encryption(local_info_t *local,
3467 struct prism2_hostapd_param *param,
3468 int param_len)
3469 {
3470 int ret = 0;
3471 struct lib80211_crypto_ops *ops;
3472 struct lib80211_crypt_data **crypt;
3473 void *sta_ptr;
3474
3475 param->u.crypt.err = 0;
3476 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3477
3478 if (param_len !=
3479 (int) ((char *) param->u.crypt.key - (char *) param) +
3480 param->u.crypt.key_len)
3481 return -EINVAL;
3482
3483 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3484 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3485 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3486 if (param->u.crypt.idx >= WEP_KEYS)
3487 return -EINVAL;
3488 sta_ptr = NULL;
3489 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3490 } else {
3491 if (param->u.crypt.idx)
3492 return -EINVAL;
3493 sta_ptr = ap_crypt_get_ptrs(
3494 local->ap, param->sta_addr,
3495 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3496 &crypt);
3497
3498 if (sta_ptr == NULL) {
3499 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3500 return -EINVAL;
3501 }
3502 }
3503
3504 if (strcmp(param->u.crypt.alg, "none") == 0) {
3505 if (crypt)
3506 prism2_crypt_delayed_deinit(local, crypt);
3507 goto done;
3508 }
3509
3510 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3511 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3512 request_module("lib80211_crypt_wep");
3513 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3514 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3515 request_module("lib80211_crypt_tkip");
3516 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3517 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3518 request_module("lib80211_crypt_ccmp");
3519 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3520 }
3521 if (ops == NULL) {
3522 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3523 local->dev->name, param->u.crypt.alg);
3524 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3525 ret = -EINVAL;
3526 goto done;
3527 }
3528
3529 /* station based encryption and other than WEP algorithms require
3530 * host-based encryption, so force them on automatically */
3531 local->host_decrypt = local->host_encrypt = 1;
3532
3533 if (*crypt == NULL || (*crypt)->ops != ops) {
3534 struct lib80211_crypt_data *new_crypt;
3535
3536 prism2_crypt_delayed_deinit(local, crypt);
3537
3538 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3539 GFP_KERNEL);
3540 if (new_crypt == NULL) {
3541 ret = -ENOMEM;
3542 goto done;
3543 }
3544 new_crypt->ops = ops;
3545 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3546 if (new_crypt->priv == NULL) {
3547 kfree(new_crypt);
3548 param->u.crypt.err =
3549 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3550 ret = -EINVAL;
3551 goto done;
3552 }
3553
3554 *crypt = new_crypt;
3555 }
3556
3557 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3558 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3559 (*crypt)->ops->set_key(param->u.crypt.key,
3560 param->u.crypt.key_len, param->u.crypt.seq,
3561 (*crypt)->priv) < 0) {
3562 printk(KERN_DEBUG "%s: key setting failed\n",
3563 local->dev->name);
3564 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3565 ret = -EINVAL;
3566 goto done;
3567 }
3568
3569 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3570 if (!sta_ptr)
3571 local->crypt_info.tx_keyidx = param->u.crypt.idx;
3572 else if (param->u.crypt.idx) {
3573 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3574 local->dev->name);
3575 param->u.crypt.err =
3576 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3577 ret = -EINVAL;
3578 goto done;
3579 }
3580 }
3581
3582 done:
3583 if (sta_ptr)
3584 hostap_handle_sta_release(sta_ptr);
3585
3586 /* Do not reset port0 if card is in Managed mode since resetting will
3587 * generate new IEEE 802.11 authentication which may end up in looping
3588 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3589 * after WEP configuration. However, keys are apparently changed at
3590 * least in Managed mode. */
3591 if (ret == 0 &&
3592 (hostap_set_encryption(local) ||
3593 (local->iw_mode != IW_MODE_INFRA &&
3594 local->func->reset_port(local->dev)))) {
3595 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3596 return -EINVAL;
3597 }
3598
3599 return ret;
3600 }
3601
3602
3603 static int prism2_ioctl_get_encryption(local_info_t *local,
3604 struct prism2_hostapd_param *param,
3605 int param_len)
3606 {
3607 struct lib80211_crypt_data **crypt;
3608 void *sta_ptr;
3609 int max_key_len;
3610
3611 param->u.crypt.err = 0;
3612
3613 max_key_len = param_len -
3614 (int) ((char *) param->u.crypt.key - (char *) param);
3615 if (max_key_len < 0)
3616 return -EINVAL;
3617
3618 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3619 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3620 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3621 sta_ptr = NULL;
3622 if (param->u.crypt.idx >= WEP_KEYS)
3623 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3624 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3625 } else {
3626 param->u.crypt.idx = 0;
3627 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3628 &crypt);
3629
3630 if (sta_ptr == NULL) {
3631 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3632 return -EINVAL;
3633 }
3634 }
3635
3636 if (*crypt == NULL || (*crypt)->ops == NULL) {
3637 memcpy(param->u.crypt.alg, "none", 5);
3638 param->u.crypt.key_len = 0;
3639 param->u.crypt.idx = 0xff;
3640 } else {
3641 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3642 HOSTAP_CRYPT_ALG_NAME_LEN);
3643 param->u.crypt.key_len = 0;
3644
3645 memset(param->u.crypt.seq, 0, 8);
3646 if ((*crypt)->ops->get_key) {
3647 param->u.crypt.key_len =
3648 (*crypt)->ops->get_key(param->u.crypt.key,
3649 max_key_len,
3650 param->u.crypt.seq,
3651 (*crypt)->priv);
3652 }
3653 }
3654
3655 if (sta_ptr)
3656 hostap_handle_sta_release(sta_ptr);
3657
3658 return 0;
3659 }
3660
3661
3662 static int prism2_ioctl_get_rid(local_info_t *local,
3663 struct prism2_hostapd_param *param,
3664 int param_len)
3665 {
3666 int max_len, res;
3667
3668 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3669 if (max_len < 0)
3670 return -EINVAL;
3671
3672 res = local->func->get_rid(local->dev, param->u.rid.rid,
3673 param->u.rid.data, param->u.rid.len, 0);
3674 if (res >= 0) {
3675 param->u.rid.len = res;
3676 return 0;
3677 }
3678
3679 return res;
3680 }
3681
3682
3683 static int prism2_ioctl_set_rid(local_info_t *local,
3684 struct prism2_hostapd_param *param,
3685 int param_len)
3686 {
3687 int max_len;
3688
3689 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3690 if (max_len < 0 || max_len < param->u.rid.len)
3691 return -EINVAL;
3692
3693 return local->func->set_rid(local->dev, param->u.rid.rid,
3694 param->u.rid.data, param->u.rid.len);
3695 }
3696
3697
3698 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3699 struct prism2_hostapd_param *param,
3700 int param_len)
3701 {
3702 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3703 local->dev->name, param->sta_addr);
3704 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3705 return 0;
3706 }
3707
3708
3709 static int prism2_ioctl_siwgenie(struct net_device *dev,
3710 struct iw_request_info *info,
3711 struct iw_point *data, char *extra)
3712 {
3713 return prism2_set_genericelement(dev, extra, data->length);
3714 }
3715
3716
3717 static int prism2_ioctl_giwgenie(struct net_device *dev,
3718 struct iw_request_info *info,
3719 struct iw_point *data, char *extra)
3720 {
3721 struct hostap_interface *iface = netdev_priv(dev);
3722 local_info_t *local = iface->local;
3723 int len = local->generic_elem_len - 2;
3724
3725 if (len <= 0 || local->generic_elem == NULL) {
3726 data->length = 0;
3727 return 0;
3728 }
3729
3730 if (data->length < len)
3731 return -E2BIG;
3732
3733 data->length = len;
3734 memcpy(extra, local->generic_elem + 2, len);
3735
3736 return 0;
3737 }
3738
3739
3740 static int prism2_ioctl_set_generic_element(local_info_t *local,
3741 struct prism2_hostapd_param *param,
3742 int param_len)
3743 {
3744 int max_len, len;
3745
3746 len = param->u.generic_elem.len;
3747 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3748 if (max_len < 0 || max_len < len)
3749 return -EINVAL;
3750
3751 return prism2_set_genericelement(local->dev,
3752 param->u.generic_elem.data, len);
3753 }
3754
3755
3756 static int prism2_ioctl_siwmlme(struct net_device *dev,
3757 struct iw_request_info *info,
3758 struct iw_point *data, char *extra)
3759 {
3760 struct hostap_interface *iface = netdev_priv(dev);
3761 local_info_t *local = iface->local;
3762 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3763 __le16 reason;
3764
3765 reason = cpu_to_le16(mlme->reason_code);
3766
3767 switch (mlme->cmd) {
3768 case IW_MLME_DEAUTH:
3769 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3770 IEEE80211_STYPE_DEAUTH,
3771 (u8 *) &reason, 2);
3772 case IW_MLME_DISASSOC:
3773 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3774 IEEE80211_STYPE_DISASSOC,
3775 (u8 *) &reason, 2);
3776 default:
3777 return -EOPNOTSUPP;
3778 }
3779 }
3780
3781
3782 static int prism2_ioctl_mlme(local_info_t *local,
3783 struct prism2_hostapd_param *param)
3784 {
3785 __le16 reason;
3786
3787 reason = cpu_to_le16(param->u.mlme.reason_code);
3788 switch (param->u.mlme.cmd) {
3789 case MLME_STA_DEAUTH:
3790 return prism2_sta_send_mgmt(local, param->sta_addr,
3791 IEEE80211_STYPE_DEAUTH,
3792 (u8 *) &reason, 2);
3793 case MLME_STA_DISASSOC:
3794 return prism2_sta_send_mgmt(local, param->sta_addr,
3795 IEEE80211_STYPE_DISASSOC,
3796 (u8 *) &reason, 2);
3797 default:
3798 return -EOPNOTSUPP;
3799 }
3800 }
3801
3802
3803 static int prism2_ioctl_scan_req(local_info_t *local,
3804 struct prism2_hostapd_param *param)
3805 {
3806 #ifndef PRISM2_NO_STATION_MODES
3807 if ((local->iw_mode != IW_MODE_INFRA &&
3808 local->iw_mode != IW_MODE_ADHOC) ||
3809 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3810 return -EOPNOTSUPP;
3811
3812 if (!local->dev_enabled)
3813 return -ENETDOWN;
3814
3815 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3816 param->u.scan_req.ssid_len);
3817 #else /* PRISM2_NO_STATION_MODES */
3818 return -EOPNOTSUPP;
3819 #endif /* PRISM2_NO_STATION_MODES */
3820 }
3821
3822
3823 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3824 {
3825 struct prism2_hostapd_param *param;
3826 int ret = 0;
3827 int ap_ioctl = 0;
3828
3829 if (p->length < sizeof(struct prism2_hostapd_param) ||
3830 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3831 return -EINVAL;
3832
3833 param = kmalloc(p->length, GFP_KERNEL);
3834 if (param == NULL)
3835 return -ENOMEM;
3836
3837 if (copy_from_user(param, p->pointer, p->length)) {
3838 ret = -EFAULT;
3839 goto out;
3840 }
3841
3842 switch (param->cmd) {
3843 case PRISM2_SET_ENCRYPTION:
3844 ret = prism2_ioctl_set_encryption(local, param, p->length);
3845 break;
3846 case PRISM2_GET_ENCRYPTION:
3847 ret = prism2_ioctl_get_encryption(local, param, p->length);
3848 break;
3849 case PRISM2_HOSTAPD_GET_RID:
3850 ret = prism2_ioctl_get_rid(local, param, p->length);
3851 break;
3852 case PRISM2_HOSTAPD_SET_RID:
3853 ret = prism2_ioctl_set_rid(local, param, p->length);
3854 break;
3855 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3856 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3857 break;
3858 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3859 ret = prism2_ioctl_set_generic_element(local, param,
3860 p->length);
3861 break;
3862 case PRISM2_HOSTAPD_MLME:
3863 ret = prism2_ioctl_mlme(local, param);
3864 break;
3865 case PRISM2_HOSTAPD_SCAN_REQ:
3866 ret = prism2_ioctl_scan_req(local, param);
3867 break;
3868 default:
3869 ret = prism2_hostapd(local->ap, param);
3870 ap_ioctl = 1;
3871 break;
3872 }
3873
3874 if (ret == 1 || !ap_ioctl) {
3875 if (copy_to_user(p->pointer, param, p->length)) {
3876 ret = -EFAULT;
3877 goto out;
3878 } else if (ap_ioctl)
3879 ret = 0;
3880 }
3881
3882 out:
3883 kfree(param);
3884 return ret;
3885 }
3886
3887
3888 static void prism2_get_drvinfo(struct net_device *dev,
3889 struct ethtool_drvinfo *info)
3890 {
3891 struct hostap_interface *iface;
3892 local_info_t *local;
3893
3894 iface = netdev_priv(dev);
3895 local = iface->local;
3896
3897 strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3898 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3899 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3900 (local->sta_fw_ver >> 8) & 0xff,
3901 local->sta_fw_ver & 0xff);
3902 }
3903
3904 const struct ethtool_ops prism2_ethtool_ops = {
3905 .get_drvinfo = prism2_get_drvinfo
3906 };
3907
3908
3909 /* Structures to export the Wireless Handlers */
3910
3911 static const iw_handler prism2_handler[] =
3912 {
3913 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3914 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3915 (iw_handler) NULL, /* SIOCSIWNWID */
3916 (iw_handler) NULL, /* SIOCGIWNWID */
3917 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3918 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3919 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3920 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3921 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3922 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3923 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3924 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3925 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3926 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3927 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3928 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3929 iw_handler_set_spy, /* SIOCSIWSPY */
3930 iw_handler_get_spy, /* SIOCGIWSPY */
3931 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3932 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3933 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3934 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3935 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3936 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3937 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3938 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3939 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3940 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3941 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3942 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3943 (iw_handler) NULL, /* -- hole -- */
3944 (iw_handler) NULL, /* -- hole -- */
3945 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3946 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3947 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3948 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3949 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3950 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3951 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3952 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3953 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3954 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3955 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3956 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3957 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3958 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3959 (iw_handler) NULL, /* -- hole -- */
3960 (iw_handler) NULL, /* -- hole -- */
3961 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3962 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3963 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3964 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3965 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3966 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3967 (iw_handler) NULL, /* SIOCSIWPMKSA */
3968 (iw_handler) NULL, /* -- hole -- */
3969 };
3970
3971 static const iw_handler prism2_private_handler[] =
3972 { /* SIOCIWFIRSTPRIV + */
3973 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3974 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3975 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3976 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3977 };
3978
3979 const struct iw_handler_def hostap_iw_handler_def =
3980 {
3981 .num_standard = ARRAY_SIZE(prism2_handler),
3982 .num_private = ARRAY_SIZE(prism2_private_handler),
3983 .num_private_args = ARRAY_SIZE(prism2_priv),
3984 .standard = (iw_handler *) prism2_handler,
3985 .private = (iw_handler *) prism2_private_handler,
3986 .private_args = (struct iw_priv_args *) prism2_priv,
3987 .get_wireless_stats = hostap_get_wireless_stats,
3988 };
3989
3990
3991 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3992 {
3993 struct iwreq *wrq = (struct iwreq *) ifr;
3994 struct hostap_interface *iface;
3995 local_info_t *local;
3996 int ret = 0;
3997
3998 iface = netdev_priv(dev);
3999 local = iface->local;
4000
4001 switch (cmd) {
4002 /* Private ioctls (iwpriv) that have not yet been converted
4003 * into new wireless extensions API */
4004
4005 case PRISM2_IOCTL_INQUIRE:
4006 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4007 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4008 break;
4009
4010 case PRISM2_IOCTL_MONITOR:
4011 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4012 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4013 break;
4014
4015 case PRISM2_IOCTL_RESET:
4016 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4017 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4018 break;
4019
4020 case PRISM2_IOCTL_WDS_ADD:
4021 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4022 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4023 break;
4024
4025 case PRISM2_IOCTL_WDS_DEL:
4026 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4027 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4028 break;
4029
4030 case PRISM2_IOCTL_SET_RID_WORD:
4031 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4032 else ret = prism2_ioctl_priv_set_rid_word(dev,
4033 (int *) wrq->u.name);
4034 break;
4035
4036 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4037 case PRISM2_IOCTL_MACCMD:
4038 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4039 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4040 break;
4041
4042 case PRISM2_IOCTL_ADDMAC:
4043 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4044 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4045 wrq->u.ap_addr.sa_data);
4046 break;
4047 case PRISM2_IOCTL_DELMAC:
4048 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4049 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4050 wrq->u.ap_addr.sa_data);
4051 break;
4052 case PRISM2_IOCTL_KICKMAC:
4053 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4054 else ret = ap_control_kick_mac(local->ap, local->dev,
4055 wrq->u.ap_addr.sa_data);
4056 break;
4057 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4058
4059
4060 /* Private ioctls that are not used with iwpriv;
4061 * in SIOCDEVPRIVATE range */
4062
4063 #ifdef PRISM2_DOWNLOAD_SUPPORT
4064 case PRISM2_IOCTL_DOWNLOAD:
4065 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4066 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4067 break;
4068 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4069
4070 case PRISM2_IOCTL_HOSTAPD:
4071 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4072 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4073 break;
4074
4075 default:
4076 ret = -EOPNOTSUPP;
4077 break;
4078 }
4079
4080 return ret;
4081 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree