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[deliverable/linux.git] / drivers / net / wireless / hostap / hostap_ioctl.c
1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
2
3 #include <linux/slab.h>
4 #include <linux/types.h>
5 #include <linux/sched.h>
6 #include <linux/ethtool.h>
7 #include <linux/if_arp.h>
8 #include <linux/module.h>
9 #include <linux/etherdevice.h>
10 #include <net/lib80211.h>
11
12 #include "hostap_wlan.h"
13 #include "hostap.h"
14 #include "hostap_ap.h"
15
16 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
17 {
18 struct hostap_interface *iface;
19 local_info_t *local;
20 struct iw_statistics *wstats;
21
22 iface = netdev_priv(dev);
23 local = iface->local;
24
25 /* Why are we doing that ? Jean II */
26 if (iface->type != HOSTAP_INTERFACE_MAIN)
27 return NULL;
28
29 wstats = &local->wstats;
30
31 wstats->status = 0;
32 wstats->discard.code =
33 local->comm_tallies.rx_discards_wep_undecryptable;
34 wstats->discard.misc =
35 local->comm_tallies.rx_fcs_errors +
36 local->comm_tallies.rx_discards_no_buffer +
37 local->comm_tallies.tx_discards_wrong_sa;
38
39 wstats->discard.retries =
40 local->comm_tallies.tx_retry_limit_exceeded;
41 wstats->discard.fragment =
42 local->comm_tallies.rx_message_in_bad_msg_fragments;
43
44 if (local->iw_mode != IW_MODE_MASTER &&
45 local->iw_mode != IW_MODE_REPEAT) {
46 int update = 1;
47 #ifdef in_atomic
48 /* RID reading might sleep and it must not be called in
49 * interrupt context or while atomic. However, this
50 * function seems to be called while atomic (at least in Linux
51 * 2.5.59). Update signal quality values only if in suitable
52 * context. Otherwise, previous values read from tick timer
53 * will be used. */
54 if (in_atomic())
55 update = 0;
56 #endif /* in_atomic */
57
58 if (update && prism2_update_comms_qual(dev) == 0)
59 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
60 IW_QUAL_DBM;
61
62 wstats->qual.qual = local->comms_qual;
63 wstats->qual.level = local->avg_signal;
64 wstats->qual.noise = local->avg_noise;
65 } else {
66 wstats->qual.qual = 0;
67 wstats->qual.level = 0;
68 wstats->qual.noise = 0;
69 wstats->qual.updated = IW_QUAL_ALL_INVALID;
70 }
71
72 return wstats;
73 }
74
75
76 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
77 {
78 struct hostap_interface *iface;
79 local_info_t *local;
80 u8 buf[12];
81 int len;
82 u16 val;
83
84 iface = netdev_priv(dev);
85 local = iface->local;
86
87 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
88 sizeof(buf), 0);
89 if (len < 2)
90 return 0;
91
92 val = le16_to_cpu(*(__le16 *) buf); /* string length */
93
94 if (len - 2 < val || val > 10)
95 return 0;
96
97 memcpy(rates, buf + 2, val);
98 return val;
99 }
100
101
102 static int prism2_get_name(struct net_device *dev,
103 struct iw_request_info *info,
104 char *name, char *extra)
105 {
106 u8 rates[10];
107 int len, i, over2 = 0;
108
109 len = prism2_get_datarates(dev, rates);
110
111 for (i = 0; i < len; i++) {
112 if (rates[i] == 0x0b || rates[i] == 0x16) {
113 over2 = 1;
114 break;
115 }
116 }
117
118 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
119
120 return 0;
121 }
122
123
124 static int prism2_ioctl_siwencode(struct net_device *dev,
125 struct iw_request_info *info,
126 struct iw_point *erq, char *keybuf)
127 {
128 struct hostap_interface *iface;
129 local_info_t *local;
130 int i;
131 struct lib80211_crypt_data **crypt;
132
133 iface = netdev_priv(dev);
134 local = iface->local;
135
136 i = erq->flags & IW_ENCODE_INDEX;
137 if (i < 1 || i > 4)
138 i = local->crypt_info.tx_keyidx;
139 else
140 i--;
141 if (i < 0 || i >= WEP_KEYS)
142 return -EINVAL;
143
144 crypt = &local->crypt_info.crypt[i];
145
146 if (erq->flags & IW_ENCODE_DISABLED) {
147 if (*crypt)
148 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
149 goto done;
150 }
151
152 if (*crypt != NULL && (*crypt)->ops != NULL &&
153 strcmp((*crypt)->ops->name, "WEP") != 0) {
154 /* changing to use WEP; deinit previously used algorithm */
155 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
156 }
157
158 if (*crypt == NULL) {
159 struct lib80211_crypt_data *new_crypt;
160
161 /* take WEP into use */
162 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
163 GFP_KERNEL);
164 if (new_crypt == NULL)
165 return -ENOMEM;
166 new_crypt->ops = lib80211_get_crypto_ops("WEP");
167 if (!new_crypt->ops) {
168 request_module("lib80211_crypt_wep");
169 new_crypt->ops = lib80211_get_crypto_ops("WEP");
170 }
171 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
172 new_crypt->priv = new_crypt->ops->init(i);
173 if (!new_crypt->ops || !new_crypt->priv) {
174 kfree(new_crypt);
175 new_crypt = NULL;
176
177 printk(KERN_WARNING "%s: could not initialize WEP: "
178 "load module hostap_crypt_wep.o\n",
179 dev->name);
180 return -EOPNOTSUPP;
181 }
182 *crypt = new_crypt;
183 }
184
185 if (erq->length > 0) {
186 int len = erq->length <= 5 ? 5 : 13;
187 int first = 1, j;
188 if (len > erq->length)
189 memset(keybuf + erq->length, 0, len - erq->length);
190 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
191 for (j = 0; j < WEP_KEYS; j++) {
192 if (j != i && local->crypt_info.crypt[j]) {
193 first = 0;
194 break;
195 }
196 }
197 if (first)
198 local->crypt_info.tx_keyidx = i;
199 } else {
200 /* No key data - just set the default TX key index */
201 local->crypt_info.tx_keyidx = i;
202 }
203
204 done:
205 local->open_wep = erq->flags & IW_ENCODE_OPEN;
206
207 if (hostap_set_encryption(local)) {
208 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
209 return -EINVAL;
210 }
211
212 /* Do not reset port0 if card is in Managed mode since resetting will
213 * generate new IEEE 802.11 authentication which may end up in looping
214 * with IEEE 802.1X. Prism2 documentation seem to require port reset
215 * after WEP configuration. However, keys are apparently changed at
216 * least in Managed mode. */
217 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
218 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
219 return -EINVAL;
220 }
221
222 return 0;
223 }
224
225
226 static int prism2_ioctl_giwencode(struct net_device *dev,
227 struct iw_request_info *info,
228 struct iw_point *erq, char *key)
229 {
230 struct hostap_interface *iface;
231 local_info_t *local;
232 int i, len;
233 u16 val;
234 struct lib80211_crypt_data *crypt;
235
236 iface = netdev_priv(dev);
237 local = iface->local;
238
239 i = erq->flags & IW_ENCODE_INDEX;
240 if (i < 1 || i > 4)
241 i = local->crypt_info.tx_keyidx;
242 else
243 i--;
244 if (i < 0 || i >= WEP_KEYS)
245 return -EINVAL;
246
247 crypt = local->crypt_info.crypt[i];
248 erq->flags = i + 1;
249
250 if (crypt == NULL || crypt->ops == NULL) {
251 erq->length = 0;
252 erq->flags |= IW_ENCODE_DISABLED;
253 return 0;
254 }
255
256 if (strcmp(crypt->ops->name, "WEP") != 0) {
257 /* only WEP is supported with wireless extensions, so just
258 * report that encryption is used */
259 erq->length = 0;
260 erq->flags |= IW_ENCODE_ENABLED;
261 return 0;
262 }
263
264 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
265 * the keys from driver buffer */
266 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
267 erq->length = (len >= 0 ? len : 0);
268
269 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
270 {
271 printk("CNFWEPFLAGS reading failed\n");
272 return -EOPNOTSUPP;
273 }
274 le16_to_cpus(&val);
275 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
276 erq->flags |= IW_ENCODE_ENABLED;
277 else
278 erq->flags |= IW_ENCODE_DISABLED;
279 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
280 erq->flags |= IW_ENCODE_RESTRICTED;
281 else
282 erq->flags |= IW_ENCODE_OPEN;
283
284 return 0;
285 }
286
287
288 static int hostap_set_rate(struct net_device *dev)
289 {
290 struct hostap_interface *iface;
291 local_info_t *local;
292 int ret, basic_rates;
293
294 iface = netdev_priv(dev);
295 local = iface->local;
296
297 basic_rates = local->basic_rates & local->tx_rate_control;
298 if (!basic_rates || basic_rates != local->basic_rates) {
299 printk(KERN_INFO "%s: updating basic rate set automatically "
300 "to match with the new supported rate set\n",
301 dev->name);
302 if (!basic_rates)
303 basic_rates = local->tx_rate_control;
304
305 local->basic_rates = basic_rates;
306 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
307 basic_rates))
308 printk(KERN_WARNING "%s: failed to set "
309 "cnfBasicRates\n", dev->name);
310 }
311
312 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
313 local->tx_rate_control) ||
314 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
315 local->tx_rate_control) ||
316 local->func->reset_port(dev));
317
318 if (ret) {
319 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
320 "setting to 0x%x failed\n",
321 dev->name, local->tx_rate_control);
322 }
323
324 /* Update TX rate configuration for all STAs based on new operational
325 * rate set. */
326 hostap_update_rates(local);
327
328 return ret;
329 }
330
331
332 static int prism2_ioctl_siwrate(struct net_device *dev,
333 struct iw_request_info *info,
334 struct iw_param *rrq, char *extra)
335 {
336 struct hostap_interface *iface;
337 local_info_t *local;
338
339 iface = netdev_priv(dev);
340 local = iface->local;
341
342 if (rrq->fixed) {
343 switch (rrq->value) {
344 case 11000000:
345 local->tx_rate_control = HFA384X_RATES_11MBPS;
346 break;
347 case 5500000:
348 local->tx_rate_control = HFA384X_RATES_5MBPS;
349 break;
350 case 2000000:
351 local->tx_rate_control = HFA384X_RATES_2MBPS;
352 break;
353 case 1000000:
354 local->tx_rate_control = HFA384X_RATES_1MBPS;
355 break;
356 default:
357 local->tx_rate_control = HFA384X_RATES_1MBPS |
358 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
359 HFA384X_RATES_11MBPS;
360 break;
361 }
362 } else {
363 switch (rrq->value) {
364 case 11000000:
365 local->tx_rate_control = HFA384X_RATES_1MBPS |
366 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
367 HFA384X_RATES_11MBPS;
368 break;
369 case 5500000:
370 local->tx_rate_control = HFA384X_RATES_1MBPS |
371 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
372 break;
373 case 2000000:
374 local->tx_rate_control = HFA384X_RATES_1MBPS |
375 HFA384X_RATES_2MBPS;
376 break;
377 case 1000000:
378 local->tx_rate_control = HFA384X_RATES_1MBPS;
379 break;
380 default:
381 local->tx_rate_control = HFA384X_RATES_1MBPS |
382 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
383 HFA384X_RATES_11MBPS;
384 break;
385 }
386 }
387
388 return hostap_set_rate(dev);
389 }
390
391
392 static int prism2_ioctl_giwrate(struct net_device *dev,
393 struct iw_request_info *info,
394 struct iw_param *rrq, char *extra)
395 {
396 u16 val;
397 struct hostap_interface *iface;
398 local_info_t *local;
399 int ret = 0;
400
401 iface = netdev_priv(dev);
402 local = iface->local;
403
404 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
405 0)
406 return -EINVAL;
407
408 if ((val & 0x1) && (val > 1))
409 rrq->fixed = 0;
410 else
411 rrq->fixed = 1;
412
413 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
414 !local->fw_tx_rate_control) {
415 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
416 * Host AP mode, so use the recorded TX rate of the last sent
417 * frame */
418 rrq->value = local->ap->last_tx_rate > 0 ?
419 local->ap->last_tx_rate * 100000 : 11000000;
420 return 0;
421 }
422
423 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
424 0)
425 return -EINVAL;
426
427 switch (val) {
428 case HFA384X_RATES_1MBPS:
429 rrq->value = 1000000;
430 break;
431 case HFA384X_RATES_2MBPS:
432 rrq->value = 2000000;
433 break;
434 case HFA384X_RATES_5MBPS:
435 rrq->value = 5500000;
436 break;
437 case HFA384X_RATES_11MBPS:
438 rrq->value = 11000000;
439 break;
440 default:
441 /* should not happen */
442 rrq->value = 11000000;
443 ret = -EINVAL;
444 break;
445 }
446
447 return ret;
448 }
449
450
451 static int prism2_ioctl_siwsens(struct net_device *dev,
452 struct iw_request_info *info,
453 struct iw_param *sens, char *extra)
454 {
455 struct hostap_interface *iface;
456 local_info_t *local;
457
458 iface = netdev_priv(dev);
459 local = iface->local;
460
461 /* Set the desired AP density */
462 if (sens->value < 1 || sens->value > 3)
463 return -EINVAL;
464
465 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
466 local->func->reset_port(dev))
467 return -EINVAL;
468
469 return 0;
470 }
471
472 static int prism2_ioctl_giwsens(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 __le16 val;
479
480 iface = netdev_priv(dev);
481 local = iface->local;
482
483 /* Get the current AP density */
484 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
485 0)
486 return -EINVAL;
487
488 sens->value = le16_to_cpu(val);
489 sens->fixed = 1;
490
491 return 0;
492 }
493
494
495 /* Deprecated in new wireless extension API */
496 static int prism2_ioctl_giwaplist(struct net_device *dev,
497 struct iw_request_info *info,
498 struct iw_point *data, char *extra)
499 {
500 struct hostap_interface *iface;
501 local_info_t *local;
502 struct sockaddr *addr;
503 struct iw_quality *qual;
504
505 iface = netdev_priv(dev);
506 local = iface->local;
507
508 if (local->iw_mode != IW_MODE_MASTER) {
509 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
510 "in Host AP mode\n");
511 data->length = 0;
512 return -EOPNOTSUPP;
513 }
514
515 addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
516 qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
517 if (addr == NULL || qual == NULL) {
518 kfree(addr);
519 kfree(qual);
520 data->length = 0;
521 return -ENOMEM;
522 }
523
524 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
525
526 memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
527 data->flags = 1; /* has quality information */
528 memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
529 sizeof(struct iw_quality) * data->length);
530
531 kfree(addr);
532 kfree(qual);
533 return 0;
534 }
535
536
537 static int prism2_ioctl_siwrts(struct net_device *dev,
538 struct iw_request_info *info,
539 struct iw_param *rts, char *extra)
540 {
541 struct hostap_interface *iface;
542 local_info_t *local;
543 __le16 val;
544
545 iface = netdev_priv(dev);
546 local = iface->local;
547
548 if (rts->disabled)
549 val = cpu_to_le16(2347);
550 else if (rts->value < 0 || rts->value > 2347)
551 return -EINVAL;
552 else
553 val = cpu_to_le16(rts->value);
554
555 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
556 local->func->reset_port(dev))
557 return -EINVAL;
558
559 local->rts_threshold = rts->value;
560
561 return 0;
562 }
563
564 static int prism2_ioctl_giwrts(struct net_device *dev,
565 struct iw_request_info *info,
566 struct iw_param *rts, char *extra)
567 {
568 struct hostap_interface *iface;
569 local_info_t *local;
570 __le16 val;
571
572 iface = netdev_priv(dev);
573 local = iface->local;
574
575 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
576 0)
577 return -EINVAL;
578
579 rts->value = le16_to_cpu(val);
580 rts->disabled = (rts->value == 2347);
581 rts->fixed = 1;
582
583 return 0;
584 }
585
586
587 static int prism2_ioctl_siwfrag(struct net_device *dev,
588 struct iw_request_info *info,
589 struct iw_param *rts, char *extra)
590 {
591 struct hostap_interface *iface;
592 local_info_t *local;
593 __le16 val;
594
595 iface = netdev_priv(dev);
596 local = iface->local;
597
598 if (rts->disabled)
599 val = cpu_to_le16(2346);
600 else if (rts->value < 256 || rts->value > 2346)
601 return -EINVAL;
602 else
603 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
604
605 local->fragm_threshold = rts->value & ~0x1;
606 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
607 2)
608 || local->func->reset_port(dev))
609 return -EINVAL;
610
611 return 0;
612 }
613
614 static int prism2_ioctl_giwfrag(struct net_device *dev,
615 struct iw_request_info *info,
616 struct iw_param *rts, char *extra)
617 {
618 struct hostap_interface *iface;
619 local_info_t *local;
620 __le16 val;
621
622 iface = netdev_priv(dev);
623 local = iface->local;
624
625 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
626 &val, 2, 1) < 0)
627 return -EINVAL;
628
629 rts->value = le16_to_cpu(val);
630 rts->disabled = (rts->value == 2346);
631 rts->fixed = 1;
632
633 return 0;
634 }
635
636
637 #ifndef PRISM2_NO_STATION_MODES
638 static int hostap_join_ap(struct net_device *dev)
639 {
640 struct hostap_interface *iface;
641 local_info_t *local;
642 struct hfa384x_join_request req;
643 unsigned long flags;
644 int i;
645 struct hfa384x_hostscan_result *entry;
646
647 iface = netdev_priv(dev);
648 local = iface->local;
649
650 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
651 req.channel = 0;
652
653 spin_lock_irqsave(&local->lock, flags);
654 for (i = 0; i < local->last_scan_results_count; i++) {
655 if (!local->last_scan_results)
656 break;
657 entry = &local->last_scan_results[i];
658 if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
659 req.channel = entry->chid;
660 break;
661 }
662 }
663 spin_unlock_irqrestore(&local->lock, flags);
664
665 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
666 sizeof(req))) {
667 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
668 dev->name, local->preferred_ap);
669 return -1;
670 }
671
672 printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
673 dev->name, local->preferred_ap);
674
675 return 0;
676 }
677 #endif /* PRISM2_NO_STATION_MODES */
678
679
680 static int prism2_ioctl_siwap(struct net_device *dev,
681 struct iw_request_info *info,
682 struct sockaddr *ap_addr, char *extra)
683 {
684 #ifdef PRISM2_NO_STATION_MODES
685 return -EOPNOTSUPP;
686 #else /* PRISM2_NO_STATION_MODES */
687 struct hostap_interface *iface;
688 local_info_t *local;
689
690 iface = netdev_priv(dev);
691 local = iface->local;
692
693 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
694
695 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
696 struct hfa384x_scan_request scan_req;
697 memset(&scan_req, 0, sizeof(scan_req));
698 scan_req.channel_list = cpu_to_le16(0x3fff);
699 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
700 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
701 &scan_req, sizeof(scan_req))) {
702 printk(KERN_DEBUG "%s: ScanResults request failed - "
703 "preferred AP delayed to next unsolicited "
704 "scan\n", dev->name);
705 }
706 } else if (local->host_roaming == 2 &&
707 local->iw_mode == IW_MODE_INFRA) {
708 if (hostap_join_ap(dev))
709 return -EINVAL;
710 } else {
711 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
712 "in Managed mode when host_roaming is enabled\n",
713 dev->name);
714 }
715
716 return 0;
717 #endif /* PRISM2_NO_STATION_MODES */
718 }
719
720 static int prism2_ioctl_giwap(struct net_device *dev,
721 struct iw_request_info *info,
722 struct sockaddr *ap_addr, char *extra)
723 {
724 struct hostap_interface *iface;
725 local_info_t *local;
726
727 iface = netdev_priv(dev);
728 local = iface->local;
729
730 ap_addr->sa_family = ARPHRD_ETHER;
731 switch (iface->type) {
732 case HOSTAP_INTERFACE_AP:
733 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
734 break;
735 case HOSTAP_INTERFACE_STA:
736 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
737 break;
738 case HOSTAP_INTERFACE_WDS:
739 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
740 break;
741 default:
742 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
743 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
744 return -EOPNOTSUPP;
745
746 /* local->bssid is also updated in LinkStatus handler when in
747 * station mode */
748 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
749 break;
750 }
751
752 return 0;
753 }
754
755
756 static int prism2_ioctl_siwnickn(struct net_device *dev,
757 struct iw_request_info *info,
758 struct iw_point *data, char *nickname)
759 {
760 struct hostap_interface *iface;
761 local_info_t *local;
762
763 iface = netdev_priv(dev);
764 local = iface->local;
765
766 memset(local->name, 0, sizeof(local->name));
767 memcpy(local->name, nickname, data->length);
768 local->name_set = 1;
769
770 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
771 local->func->reset_port(dev))
772 return -EINVAL;
773
774 return 0;
775 }
776
777 static int prism2_ioctl_giwnickn(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 int len;
784 char name[MAX_NAME_LEN + 3];
785 u16 val;
786
787 iface = netdev_priv(dev);
788 local = iface->local;
789
790 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
791 &name, MAX_NAME_LEN + 2, 0);
792 val = le16_to_cpu(*(__le16 *) name);
793 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
794 return -EOPNOTSUPP;
795
796 name[val + 2] = '\0';
797 data->length = val + 1;
798 memcpy(nickname, name + 2, val + 1);
799
800 return 0;
801 }
802
803
804 static int prism2_ioctl_siwfreq(struct net_device *dev,
805 struct iw_request_info *info,
806 struct iw_freq *freq, char *extra)
807 {
808 struct hostap_interface *iface;
809 local_info_t *local;
810
811 iface = netdev_priv(dev);
812 local = iface->local;
813
814 /* freq => chan. */
815 if (freq->e == 1 &&
816 freq->m / 100000 >= freq_list[0] &&
817 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
818 int ch;
819 int fr = freq->m / 100000;
820 for (ch = 0; ch < FREQ_COUNT; ch++) {
821 if (fr == freq_list[ch]) {
822 freq->e = 0;
823 freq->m = ch + 1;
824 break;
825 }
826 }
827 }
828
829 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
830 !(local->channel_mask & (1 << (freq->m - 1))))
831 return -EINVAL;
832
833 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
834 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
835 local->func->reset_port(dev))
836 return -EINVAL;
837
838 return 0;
839 }
840
841 static int prism2_ioctl_giwfreq(struct net_device *dev,
842 struct iw_request_info *info,
843 struct iw_freq *freq, char *extra)
844 {
845 struct hostap_interface *iface;
846 local_info_t *local;
847 u16 val;
848
849 iface = netdev_priv(dev);
850 local = iface->local;
851
852 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
853 0)
854 return -EINVAL;
855
856 le16_to_cpus(&val);
857 if (val < 1 || val > FREQ_COUNT)
858 return -EINVAL;
859
860 freq->m = freq_list[val - 1] * 100000;
861 freq->e = 1;
862
863 return 0;
864 }
865
866
867 static void hostap_monitor_set_type(local_info_t *local)
868 {
869 struct net_device *dev = local->ddev;
870
871 if (dev == NULL)
872 return;
873
874 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
875 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
876 dev->type = ARPHRD_IEEE80211_PRISM;
877 } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
878 dev->type = ARPHRD_IEEE80211_RADIOTAP;
879 } else {
880 dev->type = ARPHRD_IEEE80211;
881 }
882 }
883
884
885 static int prism2_ioctl_siwessid(struct net_device *dev,
886 struct iw_request_info *info,
887 struct iw_point *data, char *ssid)
888 {
889 struct hostap_interface *iface;
890 local_info_t *local;
891
892 iface = netdev_priv(dev);
893 local = iface->local;
894
895 if (iface->type == HOSTAP_INTERFACE_WDS)
896 return -EOPNOTSUPP;
897
898 if (data->flags == 0)
899 ssid[0] = '\0'; /* ANY */
900
901 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
902 /* Setting SSID to empty string seems to kill the card in
903 * Host AP mode */
904 printk(KERN_DEBUG "%s: Host AP mode does not support "
905 "'Any' essid\n", dev->name);
906 return -EINVAL;
907 }
908
909 memcpy(local->essid, ssid, data->length);
910 local->essid[data->length] = '\0';
911
912 if ((!local->fw_ap &&
913 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
914 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
915 local->func->reset_port(dev))
916 return -EINVAL;
917
918 return 0;
919 }
920
921 static int prism2_ioctl_giwessid(struct net_device *dev,
922 struct iw_request_info *info,
923 struct iw_point *data, char *essid)
924 {
925 struct hostap_interface *iface;
926 local_info_t *local;
927 u16 val;
928
929 iface = netdev_priv(dev);
930 local = iface->local;
931
932 if (iface->type == HOSTAP_INTERFACE_WDS)
933 return -EOPNOTSUPP;
934
935 data->flags = 1; /* active */
936 if (local->iw_mode == IW_MODE_MASTER) {
937 data->length = strlen(local->essid);
938 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
939 } else {
940 int len;
941 char ssid[MAX_SSID_LEN + 2];
942 memset(ssid, 0, sizeof(ssid));
943 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
944 &ssid, MAX_SSID_LEN + 2, 0);
945 val = le16_to_cpu(*(__le16 *) ssid);
946 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
947 return -EOPNOTSUPP;
948 }
949 data->length = val;
950 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
951 }
952
953 return 0;
954 }
955
956
957 static int prism2_ioctl_giwrange(struct net_device *dev,
958 struct iw_request_info *info,
959 struct iw_point *data, char *extra)
960 {
961 struct hostap_interface *iface;
962 local_info_t *local;
963 struct iw_range *range = (struct iw_range *) extra;
964 u8 rates[10];
965 u16 val;
966 int i, len, over2;
967
968 iface = netdev_priv(dev);
969 local = iface->local;
970
971 data->length = sizeof(struct iw_range);
972 memset(range, 0, sizeof(struct iw_range));
973
974 /* TODO: could fill num_txpower and txpower array with
975 * something; however, there are 128 different values.. */
976
977 range->txpower_capa = IW_TXPOW_DBM;
978
979 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
980 {
981 range->min_pmp = 1 * 1024;
982 range->max_pmp = 65535 * 1024;
983 range->min_pmt = 1 * 1024;
984 range->max_pmt = 1000 * 1024;
985 range->pmp_flags = IW_POWER_PERIOD;
986 range->pmt_flags = IW_POWER_TIMEOUT;
987 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
988 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
989 }
990
991 range->we_version_compiled = WIRELESS_EXT;
992 range->we_version_source = 18;
993
994 range->retry_capa = IW_RETRY_LIMIT;
995 range->retry_flags = IW_RETRY_LIMIT;
996 range->min_retry = 0;
997 range->max_retry = 255;
998
999 range->num_channels = FREQ_COUNT;
1000
1001 val = 0;
1002 for (i = 0; i < FREQ_COUNT; i++) {
1003 if (local->channel_mask & (1 << i)) {
1004 range->freq[val].i = i + 1;
1005 range->freq[val].m = freq_list[i] * 100000;
1006 range->freq[val].e = 1;
1007 val++;
1008 }
1009 if (val == IW_MAX_FREQUENCIES)
1010 break;
1011 }
1012 range->num_frequency = val;
1013
1014 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1015 range->max_qual.qual = 70; /* what is correct max? This was not
1016 * documented exactly. At least
1017 * 69 has been observed. */
1018 range->max_qual.level = 0; /* dB */
1019 range->max_qual.noise = 0; /* dB */
1020
1021 /* What would be suitable values for "average/typical" qual? */
1022 range->avg_qual.qual = 20;
1023 range->avg_qual.level = -60;
1024 range->avg_qual.noise = -95;
1025 } else {
1026 range->max_qual.qual = 92; /* 0 .. 92 */
1027 range->max_qual.level = 154; /* 27 .. 154 */
1028 range->max_qual.noise = 154; /* 27 .. 154 */
1029 }
1030 range->sensitivity = 3;
1031
1032 range->max_encoding_tokens = WEP_KEYS;
1033 range->num_encoding_sizes = 2;
1034 range->encoding_size[0] = 5;
1035 range->encoding_size[1] = 13;
1036
1037 over2 = 0;
1038 len = prism2_get_datarates(dev, rates);
1039 range->num_bitrates = 0;
1040 for (i = 0; i < len; i++) {
1041 if (range->num_bitrates < IW_MAX_BITRATES) {
1042 range->bitrate[range->num_bitrates] =
1043 rates[i] * 500000;
1044 range->num_bitrates++;
1045 }
1046 if (rates[i] == 0x0b || rates[i] == 0x16)
1047 over2 = 1;
1048 }
1049 /* estimated maximum TCP throughput values (bps) */
1050 range->throughput = over2 ? 5500000 : 1500000;
1051
1052 range->min_rts = 0;
1053 range->max_rts = 2347;
1054 range->min_frag = 256;
1055 range->max_frag = 2346;
1056
1057 /* Event capability (kernel + driver) */
1058 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1059 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1060 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1061 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1062 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1063 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1064 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1065 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1066 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1067
1068 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1069 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1070
1071 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1072 range->scan_capa = IW_SCAN_CAPA_ESSID;
1073
1074 return 0;
1075 }
1076
1077
1078 static int hostap_monitor_mode_enable(local_info_t *local)
1079 {
1080 struct net_device *dev = local->dev;
1081
1082 printk(KERN_DEBUG "Enabling monitor mode\n");
1083 hostap_monitor_set_type(local);
1084
1085 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1086 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1087 printk(KERN_DEBUG "Port type setting for monitor mode "
1088 "failed\n");
1089 return -EOPNOTSUPP;
1090 }
1091
1092 /* Host decrypt is needed to get the IV and ICV fields;
1093 * however, monitor mode seems to remove WEP flag from frame
1094 * control field */
1095 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1096 HFA384X_WEPFLAGS_HOSTENCRYPT |
1097 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1098 printk(KERN_DEBUG "WEP flags setting failed\n");
1099 return -EOPNOTSUPP;
1100 }
1101
1102 if (local->func->reset_port(dev) ||
1103 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1104 (HFA384X_TEST_MONITOR << 8),
1105 0, NULL, NULL)) {
1106 printk(KERN_DEBUG "Setting monitor mode failed\n");
1107 return -EOPNOTSUPP;
1108 }
1109
1110 return 0;
1111 }
1112
1113
1114 static int hostap_monitor_mode_disable(local_info_t *local)
1115 {
1116 struct net_device *dev = local->ddev;
1117
1118 if (dev == NULL)
1119 return -1;
1120
1121 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1122 dev->type = ARPHRD_ETHER;
1123
1124 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1125 (HFA384X_TEST_STOP << 8),
1126 0, NULL, NULL))
1127 return -1;
1128 return hostap_set_encryption(local);
1129 }
1130
1131
1132 static int prism2_ioctl_siwmode(struct net_device *dev,
1133 struct iw_request_info *info,
1134 __u32 *mode, char *extra)
1135 {
1136 struct hostap_interface *iface;
1137 local_info_t *local;
1138 int double_reset = 0;
1139
1140 iface = netdev_priv(dev);
1141 local = iface->local;
1142
1143 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1144 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1145 *mode != IW_MODE_MONITOR)
1146 return -EOPNOTSUPP;
1147
1148 #ifdef PRISM2_NO_STATION_MODES
1149 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1150 return -EOPNOTSUPP;
1151 #endif /* PRISM2_NO_STATION_MODES */
1152
1153 if (*mode == local->iw_mode)
1154 return 0;
1155
1156 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1157 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1158 "mode\n", dev->name);
1159 return -EINVAL;
1160 }
1161
1162 if (local->iw_mode == IW_MODE_MONITOR)
1163 hostap_monitor_mode_disable(local);
1164
1165 if ((local->iw_mode == IW_MODE_ADHOC ||
1166 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1167 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1168 * that leaves beacon frames to use IBSS type when moving from
1169 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1170 * enough to workaround this. */
1171 double_reset = 1;
1172 }
1173
1174 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1175 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1176 local->iw_mode = *mode;
1177
1178 if (local->iw_mode == IW_MODE_MONITOR)
1179 hostap_monitor_mode_enable(local);
1180 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1181 !local->fw_encrypt_ok) {
1182 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1183 "a workaround for firmware bug in Host AP mode WEP\n",
1184 dev->name);
1185 local->host_encrypt = 1;
1186 }
1187
1188 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1189 hostap_get_porttype(local)))
1190 return -EOPNOTSUPP;
1191
1192 if (local->func->reset_port(dev))
1193 return -EINVAL;
1194 if (double_reset && local->func->reset_port(dev))
1195 return -EINVAL;
1196
1197 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1198 {
1199 /* netif_carrier is used only in client modes for now, so make
1200 * sure carrier is on when moving to non-client modes. */
1201 netif_carrier_on(local->dev);
1202 netif_carrier_on(local->ddev);
1203 }
1204 return 0;
1205 }
1206
1207
1208 static int prism2_ioctl_giwmode(struct net_device *dev,
1209 struct iw_request_info *info,
1210 __u32 *mode, char *extra)
1211 {
1212 struct hostap_interface *iface;
1213 local_info_t *local;
1214
1215 iface = netdev_priv(dev);
1216 local = iface->local;
1217
1218 switch (iface->type) {
1219 case HOSTAP_INTERFACE_STA:
1220 *mode = IW_MODE_INFRA;
1221 break;
1222 case HOSTAP_INTERFACE_WDS:
1223 *mode = IW_MODE_REPEAT;
1224 break;
1225 default:
1226 *mode = local->iw_mode;
1227 break;
1228 }
1229 return 0;
1230 }
1231
1232
1233 static int prism2_ioctl_siwpower(struct net_device *dev,
1234 struct iw_request_info *info,
1235 struct iw_param *wrq, char *extra)
1236 {
1237 #ifdef PRISM2_NO_STATION_MODES
1238 return -EOPNOTSUPP;
1239 #else /* PRISM2_NO_STATION_MODES */
1240 int ret = 0;
1241
1242 if (wrq->disabled)
1243 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1244
1245 switch (wrq->flags & IW_POWER_MODE) {
1246 case IW_POWER_UNICAST_R:
1247 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1248 if (ret)
1249 return ret;
1250 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1251 if (ret)
1252 return ret;
1253 break;
1254 case IW_POWER_ALL_R:
1255 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1256 if (ret)
1257 return ret;
1258 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1259 if (ret)
1260 return ret;
1261 break;
1262 case IW_POWER_ON:
1263 break;
1264 default:
1265 return -EINVAL;
1266 }
1267
1268 if (wrq->flags & IW_POWER_TIMEOUT) {
1269 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1270 if (ret)
1271 return ret;
1272 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1273 wrq->value / 1024);
1274 if (ret)
1275 return ret;
1276 }
1277 if (wrq->flags & IW_POWER_PERIOD) {
1278 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1279 if (ret)
1280 return ret;
1281 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1282 wrq->value / 1024);
1283 if (ret)
1284 return ret;
1285 }
1286
1287 return ret;
1288 #endif /* PRISM2_NO_STATION_MODES */
1289 }
1290
1291
1292 static int prism2_ioctl_giwpower(struct net_device *dev,
1293 struct iw_request_info *info,
1294 struct iw_param *rrq, char *extra)
1295 {
1296 #ifdef PRISM2_NO_STATION_MODES
1297 return -EOPNOTSUPP;
1298 #else /* PRISM2_NO_STATION_MODES */
1299 struct hostap_interface *iface;
1300 local_info_t *local;
1301 __le16 enable, mcast;
1302
1303 iface = netdev_priv(dev);
1304 local = iface->local;
1305
1306 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1307 < 0)
1308 return -EINVAL;
1309
1310 if (!le16_to_cpu(enable)) {
1311 rrq->disabled = 1;
1312 return 0;
1313 }
1314
1315 rrq->disabled = 0;
1316
1317 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1318 __le16 timeout;
1319 if (local->func->get_rid(dev,
1320 HFA384X_RID_CNFPMHOLDOVERDURATION,
1321 &timeout, 2, 1) < 0)
1322 return -EINVAL;
1323
1324 rrq->flags = IW_POWER_TIMEOUT;
1325 rrq->value = le16_to_cpu(timeout) * 1024;
1326 } else {
1327 __le16 period;
1328 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1329 &period, 2, 1) < 0)
1330 return -EINVAL;
1331
1332 rrq->flags = IW_POWER_PERIOD;
1333 rrq->value = le16_to_cpu(period) * 1024;
1334 }
1335
1336 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1337 2, 1) < 0)
1338 return -EINVAL;
1339
1340 if (le16_to_cpu(mcast))
1341 rrq->flags |= IW_POWER_ALL_R;
1342 else
1343 rrq->flags |= IW_POWER_UNICAST_R;
1344
1345 return 0;
1346 #endif /* PRISM2_NO_STATION_MODES */
1347 }
1348
1349
1350 static int prism2_ioctl_siwretry(struct net_device *dev,
1351 struct iw_request_info *info,
1352 struct iw_param *rrq, char *extra)
1353 {
1354 struct hostap_interface *iface;
1355 local_info_t *local;
1356
1357 iface = netdev_priv(dev);
1358 local = iface->local;
1359
1360 if (rrq->disabled)
1361 return -EINVAL;
1362
1363 /* setting retry limits is not supported with the current station
1364 * firmware code; simulate this with alternative retry count for now */
1365 if (rrq->flags == IW_RETRY_LIMIT) {
1366 if (rrq->value < 0) {
1367 /* disable manual retry count setting and use firmware
1368 * defaults */
1369 local->manual_retry_count = -1;
1370 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1371 } else {
1372 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1373 rrq->value)) {
1374 printk(KERN_DEBUG "%s: Alternate retry count "
1375 "setting to %d failed\n",
1376 dev->name, rrq->value);
1377 return -EOPNOTSUPP;
1378 }
1379
1380 local->manual_retry_count = rrq->value;
1381 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1382 }
1383 return 0;
1384 }
1385
1386 return -EOPNOTSUPP;
1387
1388 #if 0
1389 /* what could be done, if firmware would support this.. */
1390
1391 if (rrq->flags & IW_RETRY_LIMIT) {
1392 if (rrq->flags & IW_RETRY_LONG)
1393 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1394 else if (rrq->flags & IW_RETRY_SHORT)
1395 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1396 else {
1397 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1398 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1399 }
1400
1401 }
1402
1403 if (rrq->flags & IW_RETRY_LIFETIME) {
1404 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1405 }
1406
1407 return 0;
1408 #endif /* 0 */
1409 }
1410
1411 static int prism2_ioctl_giwretry(struct net_device *dev,
1412 struct iw_request_info *info,
1413 struct iw_param *rrq, char *extra)
1414 {
1415 struct hostap_interface *iface;
1416 local_info_t *local;
1417 __le16 shortretry, longretry, lifetime, altretry;
1418
1419 iface = netdev_priv(dev);
1420 local = iface->local;
1421
1422 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1423 2, 1) < 0 ||
1424 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1425 2, 1) < 0 ||
1426 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1427 &lifetime, 2, 1) < 0)
1428 return -EINVAL;
1429
1430 rrq->disabled = 0;
1431
1432 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1433 rrq->flags = IW_RETRY_LIFETIME;
1434 rrq->value = le16_to_cpu(lifetime) * 1024;
1435 } else {
1436 if (local->manual_retry_count >= 0) {
1437 rrq->flags = IW_RETRY_LIMIT;
1438 if (local->func->get_rid(dev,
1439 HFA384X_RID_CNFALTRETRYCOUNT,
1440 &altretry, 2, 1) >= 0)
1441 rrq->value = le16_to_cpu(altretry);
1442 else
1443 rrq->value = local->manual_retry_count;
1444 } else if ((rrq->flags & IW_RETRY_LONG)) {
1445 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1446 rrq->value = le16_to_cpu(longretry);
1447 } else {
1448 rrq->flags = IW_RETRY_LIMIT;
1449 rrq->value = le16_to_cpu(shortretry);
1450 if (shortretry != longretry)
1451 rrq->flags |= IW_RETRY_SHORT;
1452 }
1453 }
1454 return 0;
1455 }
1456
1457
1458 /* Note! This TX power controlling is experimental and should not be used in
1459 * production use. It just sets raw power register and does not use any kind of
1460 * feedback information from the measured TX power (CR58). This is now
1461 * commented out to make sure that it is not used by accident. TX power
1462 * configuration will be enabled again after proper algorithm using feedback
1463 * has been implemented. */
1464
1465 #ifdef RAW_TXPOWER_SETTING
1466 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1467 * This version assumes following mapping:
1468 * CR31 is 7-bit value with -64 to +63 range.
1469 * -64 is mapped into +20dBm and +63 into -43dBm.
1470 * This is certainly not an exact mapping for every card, but at least
1471 * increasing dBm value should correspond to increasing TX power.
1472 */
1473
1474 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1475 {
1476 signed char tmp;
1477
1478 if (val > 255)
1479 val = 255;
1480
1481 tmp = val;
1482 tmp >>= 2;
1483
1484 return -12 - tmp;
1485 }
1486
1487 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1488 {
1489 signed char tmp;
1490
1491 if (val > 20)
1492 return 128;
1493 else if (val < -43)
1494 return 127;
1495
1496 tmp = val;
1497 tmp = -12 - tmp;
1498 tmp <<= 2;
1499
1500 return (unsigned char) tmp;
1501 }
1502 #endif /* RAW_TXPOWER_SETTING */
1503
1504
1505 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1506 struct iw_request_info *info,
1507 struct iw_param *rrq, char *extra)
1508 {
1509 struct hostap_interface *iface;
1510 local_info_t *local;
1511 #ifdef RAW_TXPOWER_SETTING
1512 char *tmp;
1513 #endif
1514 u16 val;
1515 int ret = 0;
1516
1517 iface = netdev_priv(dev);
1518 local = iface->local;
1519
1520 if (rrq->disabled) {
1521 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1522 val = 0xff; /* use all standby and sleep modes */
1523 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1524 HFA386X_CR_A_D_TEST_MODES2,
1525 &val, NULL);
1526 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1527 dev->name, ret ? "failed" : "OK");
1528 local->txpower_type = PRISM2_TXPOWER_OFF;
1529 }
1530 return (ret ? -EOPNOTSUPP : 0);
1531 }
1532
1533 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1534 val = 0; /* disable all standby and sleep modes */
1535 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1536 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1537 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1538 dev->name, ret ? "failed" : "OK");
1539 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1540 }
1541
1542 #ifdef RAW_TXPOWER_SETTING
1543 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1544 printk(KERN_DEBUG "Setting ALC on\n");
1545 val = HFA384X_TEST_CFG_BIT_ALC;
1546 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1547 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1548 local->txpower_type = PRISM2_TXPOWER_AUTO;
1549 return 0;
1550 }
1551
1552 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1553 printk(KERN_DEBUG "Setting ALC off\n");
1554 val = HFA384X_TEST_CFG_BIT_ALC;
1555 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1556 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1557 local->txpower_type = PRISM2_TXPOWER_FIXED;
1558 }
1559
1560 if (rrq->flags == IW_TXPOW_DBM)
1561 tmp = "dBm";
1562 else if (rrq->flags == IW_TXPOW_MWATT)
1563 tmp = "mW";
1564 else
1565 tmp = "UNKNOWN";
1566 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1567
1568 if (rrq->flags != IW_TXPOW_DBM) {
1569 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1570 return -EOPNOTSUPP;
1571 }
1572
1573 local->txpower = rrq->value;
1574 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1575 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1576 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1577 ret = -EOPNOTSUPP;
1578 #else /* RAW_TXPOWER_SETTING */
1579 if (rrq->fixed)
1580 ret = -EOPNOTSUPP;
1581 #endif /* RAW_TXPOWER_SETTING */
1582
1583 return ret;
1584 }
1585
1586 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1587 struct iw_request_info *info,
1588 struct iw_param *rrq, char *extra)
1589 {
1590 #ifdef RAW_TXPOWER_SETTING
1591 struct hostap_interface *iface;
1592 local_info_t *local;
1593 u16 resp0;
1594
1595 iface = netdev_priv(dev);
1596 local = iface->local;
1597
1598 rrq->flags = IW_TXPOW_DBM;
1599 rrq->disabled = 0;
1600 rrq->fixed = 0;
1601
1602 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1603 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1604 HFA386X_CR_MANUAL_TX_POWER,
1605 NULL, &resp0) == 0) {
1606 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1607 } else {
1608 /* Could not get real txpower; guess 15 dBm */
1609 rrq->value = 15;
1610 }
1611 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1612 rrq->value = 0;
1613 rrq->disabled = 1;
1614 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1615 rrq->value = local->txpower;
1616 rrq->fixed = 1;
1617 } else {
1618 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1619 local->txpower_type);
1620 }
1621 return 0;
1622 #else /* RAW_TXPOWER_SETTING */
1623 return -EOPNOTSUPP;
1624 #endif /* RAW_TXPOWER_SETTING */
1625 }
1626
1627
1628 #ifndef PRISM2_NO_STATION_MODES
1629
1630 /* HostScan request works with and without host_roaming mode. In addition, it
1631 * does not break current association. However, it requires newer station
1632 * firmware version (>= 1.3.1) than scan request. */
1633 static int prism2_request_hostscan(struct net_device *dev,
1634 u8 *ssid, u8 ssid_len)
1635 {
1636 struct hostap_interface *iface;
1637 local_info_t *local;
1638 struct hfa384x_hostscan_request scan_req;
1639
1640 iface = netdev_priv(dev);
1641 local = iface->local;
1642
1643 memset(&scan_req, 0, sizeof(scan_req));
1644 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1645 local->scan_channel_mask);
1646 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1647 if (ssid) {
1648 if (ssid_len > 32)
1649 return -EINVAL;
1650 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1651 memcpy(scan_req.target_ssid, ssid, ssid_len);
1652 }
1653
1654 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1655 sizeof(scan_req))) {
1656 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1657 return -EINVAL;
1658 }
1659 return 0;
1660 }
1661
1662
1663 static int prism2_request_scan(struct net_device *dev)
1664 {
1665 struct hostap_interface *iface;
1666 local_info_t *local;
1667 struct hfa384x_scan_request scan_req;
1668 int ret = 0;
1669
1670 iface = netdev_priv(dev);
1671 local = iface->local;
1672
1673 memset(&scan_req, 0, sizeof(scan_req));
1674 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1675 local->scan_channel_mask);
1676 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1677
1678 /* FIX:
1679 * It seems to be enough to set roaming mode for a short moment to
1680 * host-based and then setup scanrequest data and return the mode to
1681 * firmware-based.
1682 *
1683 * Master mode would need to drop to Managed mode for a short while
1684 * to make scanning work.. Or sweep through the different channels and
1685 * use passive scan based on beacons. */
1686
1687 if (!local->host_roaming)
1688 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1689 HFA384X_ROAMING_HOST);
1690
1691 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1692 sizeof(scan_req))) {
1693 printk(KERN_DEBUG "SCANREQUEST failed\n");
1694 ret = -EINVAL;
1695 }
1696
1697 if (!local->host_roaming)
1698 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1699 HFA384X_ROAMING_FIRMWARE);
1700
1701 return ret;
1702 }
1703
1704 #else /* !PRISM2_NO_STATION_MODES */
1705
1706 static inline int prism2_request_hostscan(struct net_device *dev,
1707 u8 *ssid, u8 ssid_len)
1708 {
1709 return -EOPNOTSUPP;
1710 }
1711
1712
1713 static inline int prism2_request_scan(struct net_device *dev)
1714 {
1715 return -EOPNOTSUPP;
1716 }
1717
1718 #endif /* !PRISM2_NO_STATION_MODES */
1719
1720
1721 static int prism2_ioctl_siwscan(struct net_device *dev,
1722 struct iw_request_info *info,
1723 struct iw_point *data, char *extra)
1724 {
1725 struct hostap_interface *iface;
1726 local_info_t *local;
1727 int ret;
1728 u8 *ssid = NULL, ssid_len = 0;
1729 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1730
1731 iface = netdev_priv(dev);
1732 local = iface->local;
1733
1734 if (data->length < sizeof(struct iw_scan_req))
1735 req = NULL;
1736
1737 if (local->iw_mode == IW_MODE_MASTER) {
1738 /* In master mode, we just return the results of our local
1739 * tables, so we don't need to start anything...
1740 * Jean II */
1741 data->length = 0;
1742 return 0;
1743 }
1744
1745 if (!local->dev_enabled)
1746 return -ENETDOWN;
1747
1748 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1749 ssid = req->essid;
1750 ssid_len = req->essid_len;
1751
1752 if (ssid_len &&
1753 ((local->iw_mode != IW_MODE_INFRA &&
1754 local->iw_mode != IW_MODE_ADHOC) ||
1755 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1756 return -EOPNOTSUPP;
1757 }
1758
1759 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1760 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1761 else
1762 ret = prism2_request_scan(dev);
1763
1764 if (ret == 0)
1765 local->scan_timestamp = jiffies;
1766
1767 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1768
1769 return ret;
1770 }
1771
1772
1773 #ifndef PRISM2_NO_STATION_MODES
1774 static char * __prism2_translate_scan(local_info_t *local,
1775 struct iw_request_info *info,
1776 struct hfa384x_hostscan_result *scan,
1777 struct hostap_bss_info *bss,
1778 char *current_ev, char *end_buf)
1779 {
1780 int i, chan;
1781 struct iw_event iwe;
1782 char *current_val;
1783 u16 capabilities;
1784 u8 *pos;
1785 u8 *ssid, *bssid;
1786 size_t ssid_len;
1787 char *buf;
1788
1789 if (bss) {
1790 ssid = bss->ssid;
1791 ssid_len = bss->ssid_len;
1792 bssid = bss->bssid;
1793 } else {
1794 ssid = scan->ssid;
1795 ssid_len = le16_to_cpu(scan->ssid_len);
1796 bssid = scan->bssid;
1797 }
1798 if (ssid_len > 32)
1799 ssid_len = 32;
1800
1801 /* First entry *MUST* be the AP MAC address */
1802 memset(&iwe, 0, sizeof(iwe));
1803 iwe.cmd = SIOCGIWAP;
1804 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1805 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1806 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1807 IW_EV_ADDR_LEN);
1808
1809 /* Other entries will be displayed in the order we give them */
1810
1811 memset(&iwe, 0, sizeof(iwe));
1812 iwe.cmd = SIOCGIWESSID;
1813 iwe.u.data.length = ssid_len;
1814 iwe.u.data.flags = 1;
1815 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1816 &iwe, ssid);
1817
1818 memset(&iwe, 0, sizeof(iwe));
1819 iwe.cmd = SIOCGIWMODE;
1820 if (bss) {
1821 capabilities = bss->capab_info;
1822 } else {
1823 capabilities = le16_to_cpu(scan->capability);
1824 }
1825 if (capabilities & (WLAN_CAPABILITY_ESS |
1826 WLAN_CAPABILITY_IBSS)) {
1827 if (capabilities & WLAN_CAPABILITY_ESS)
1828 iwe.u.mode = IW_MODE_MASTER;
1829 else
1830 iwe.u.mode = IW_MODE_ADHOC;
1831 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1832 &iwe, IW_EV_UINT_LEN);
1833 }
1834
1835 memset(&iwe, 0, sizeof(iwe));
1836 iwe.cmd = SIOCGIWFREQ;
1837 if (scan) {
1838 chan = le16_to_cpu(scan->chid);
1839 } else if (bss) {
1840 chan = bss->chan;
1841 } else {
1842 chan = 0;
1843 }
1844
1845 if (chan > 0) {
1846 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1847 iwe.u.freq.e = 1;
1848 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1849 &iwe, IW_EV_FREQ_LEN);
1850 }
1851
1852 if (scan) {
1853 memset(&iwe, 0, sizeof(iwe));
1854 iwe.cmd = IWEVQUAL;
1855 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1856 iwe.u.qual.level = le16_to_cpu(scan->sl);
1857 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1858 } else {
1859 iwe.u.qual.level =
1860 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1861 iwe.u.qual.noise =
1862 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1863 }
1864 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1865 | IW_QUAL_NOISE_UPDATED
1866 | IW_QUAL_QUAL_INVALID
1867 | IW_QUAL_DBM;
1868 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1869 &iwe, IW_EV_QUAL_LEN);
1870 }
1871
1872 memset(&iwe, 0, sizeof(iwe));
1873 iwe.cmd = SIOCGIWENCODE;
1874 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1875 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1876 else
1877 iwe.u.data.flags = IW_ENCODE_DISABLED;
1878 iwe.u.data.length = 0;
1879 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1880
1881 /* TODO: add SuppRates into BSS table */
1882 if (scan) {
1883 memset(&iwe, 0, sizeof(iwe));
1884 iwe.cmd = SIOCGIWRATE;
1885 current_val = current_ev + iwe_stream_lcp_len(info);
1886 pos = scan->sup_rates;
1887 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1888 if (pos[i] == 0)
1889 break;
1890 /* Bit rate given in 500 kb/s units (+ 0x80) */
1891 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1892 current_val = iwe_stream_add_value(
1893 info, current_ev, current_val, end_buf, &iwe,
1894 IW_EV_PARAM_LEN);
1895 }
1896 /* Check if we added any event */
1897 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1898 current_ev = current_val;
1899 }
1900
1901 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1902 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1903 if (buf && scan) {
1904 memset(&iwe, 0, sizeof(iwe));
1905 iwe.cmd = IWEVCUSTOM;
1906 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1907 iwe.u.data.length = strlen(buf);
1908 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1909 &iwe, buf);
1910
1911 memset(&iwe, 0, sizeof(iwe));
1912 iwe.cmd = IWEVCUSTOM;
1913 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1914 iwe.u.data.length = strlen(buf);
1915 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1916 &iwe, buf);
1917
1918 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1919 (capabilities & WLAN_CAPABILITY_IBSS)) {
1920 memset(&iwe, 0, sizeof(iwe));
1921 iwe.cmd = IWEVCUSTOM;
1922 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1923 iwe.u.data.length = strlen(buf);
1924 current_ev = iwe_stream_add_point(info, current_ev,
1925 end_buf, &iwe, buf);
1926 }
1927 }
1928 kfree(buf);
1929
1930 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1931 memset(&iwe, 0, sizeof(iwe));
1932 iwe.cmd = IWEVGENIE;
1933 iwe.u.data.length = bss->wpa_ie_len;
1934 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1935 &iwe, bss->wpa_ie);
1936 }
1937
1938 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1939 memset(&iwe, 0, sizeof(iwe));
1940 iwe.cmd = IWEVGENIE;
1941 iwe.u.data.length = bss->rsn_ie_len;
1942 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1943 &iwe, bss->rsn_ie);
1944 }
1945
1946 return current_ev;
1947 }
1948
1949
1950 /* Translate scan data returned from the card to a card independent
1951 * format that the Wireless Tools will understand - Jean II */
1952 static inline int prism2_translate_scan(local_info_t *local,
1953 struct iw_request_info *info,
1954 char *buffer, int buflen)
1955 {
1956 struct hfa384x_hostscan_result *scan;
1957 int entry, hostscan;
1958 char *current_ev = buffer;
1959 char *end_buf = buffer + buflen;
1960 struct list_head *ptr;
1961
1962 spin_lock_bh(&local->lock);
1963
1964 list_for_each(ptr, &local->bss_list) {
1965 struct hostap_bss_info *bss;
1966 bss = list_entry(ptr, struct hostap_bss_info, list);
1967 bss->included = 0;
1968 }
1969
1970 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1971 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1972 int found = 0;
1973 scan = &local->last_scan_results[entry];
1974
1975 /* Report every SSID if the AP is using multiple SSIDs. If no
1976 * BSS record is found (e.g., when WPA mode is disabled),
1977 * report the AP once. */
1978 list_for_each(ptr, &local->bss_list) {
1979 struct hostap_bss_info *bss;
1980 bss = list_entry(ptr, struct hostap_bss_info, list);
1981 if (ether_addr_equal(bss->bssid, scan->bssid)) {
1982 bss->included = 1;
1983 current_ev = __prism2_translate_scan(
1984 local, info, scan, bss, current_ev,
1985 end_buf);
1986 found++;
1987 }
1988 }
1989 if (!found) {
1990 current_ev = __prism2_translate_scan(
1991 local, info, scan, NULL, current_ev, end_buf);
1992 }
1993 /* Check if there is space for one more entry */
1994 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1995 /* Ask user space to try again with a bigger buffer */
1996 spin_unlock_bh(&local->lock);
1997 return -E2BIG;
1998 }
1999 }
2000
2001 /* Prism2 firmware has limits (32 at least in some versions) for number
2002 * of BSSes in scan results. Extend this limit by using local BSS list.
2003 */
2004 list_for_each(ptr, &local->bss_list) {
2005 struct hostap_bss_info *bss;
2006 bss = list_entry(ptr, struct hostap_bss_info, list);
2007 if (bss->included)
2008 continue;
2009 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2010 current_ev, end_buf);
2011 /* Check if there is space for one more entry */
2012 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2013 /* Ask user space to try again with a bigger buffer */
2014 spin_unlock_bh(&local->lock);
2015 return -E2BIG;
2016 }
2017 }
2018
2019 spin_unlock_bh(&local->lock);
2020
2021 return current_ev - buffer;
2022 }
2023 #endif /* PRISM2_NO_STATION_MODES */
2024
2025
2026 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2027 struct iw_request_info *info,
2028 struct iw_point *data, char *extra)
2029 {
2030 #ifdef PRISM2_NO_STATION_MODES
2031 return -EOPNOTSUPP;
2032 #else /* PRISM2_NO_STATION_MODES */
2033 struct hostap_interface *iface;
2034 local_info_t *local;
2035 int res;
2036
2037 iface = netdev_priv(dev);
2038 local = iface->local;
2039
2040 /* Wait until the scan is finished. We can probably do better
2041 * than that - Jean II */
2042 if (local->scan_timestamp &&
2043 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2044 /* Important note : we don't want to block the caller
2045 * until results are ready for various reasons.
2046 * First, managing wait queues is complex and racy
2047 * (there may be multiple simultaneous callers).
2048 * Second, we grab some rtnetlink lock before coming
2049 * here (in dev_ioctl()).
2050 * Third, the caller can wait on the Wireless Event
2051 * - Jean II */
2052 return -EAGAIN;
2053 }
2054 local->scan_timestamp = 0;
2055
2056 res = prism2_translate_scan(local, info, extra, data->length);
2057
2058 if (res >= 0) {
2059 data->length = res;
2060 return 0;
2061 } else {
2062 data->length = 0;
2063 return res;
2064 }
2065 #endif /* PRISM2_NO_STATION_MODES */
2066 }
2067
2068
2069 static int prism2_ioctl_giwscan(struct net_device *dev,
2070 struct iw_request_info *info,
2071 struct iw_point *data, char *extra)
2072 {
2073 struct hostap_interface *iface;
2074 local_info_t *local;
2075 int res;
2076
2077 iface = netdev_priv(dev);
2078 local = iface->local;
2079
2080 if (local->iw_mode == IW_MODE_MASTER) {
2081 /* In MASTER mode, it doesn't make sense to go around
2082 * scanning the frequencies and make the stations we serve
2083 * wait when what the user is really interested about is the
2084 * list of stations and access points we are talking to.
2085 * So, just extract results from our cache...
2086 * Jean II */
2087
2088 /* Translate to WE format */
2089 res = prism2_ap_translate_scan(dev, info, extra);
2090 if (res >= 0) {
2091 printk(KERN_DEBUG "Scan result translation succeeded "
2092 "(length=%d)\n", res);
2093 data->length = res;
2094 return 0;
2095 } else {
2096 printk(KERN_DEBUG
2097 "Scan result translation failed (res=%d)\n",
2098 res);
2099 data->length = 0;
2100 return res;
2101 }
2102 } else {
2103 /* Station mode */
2104 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2105 }
2106 }
2107
2108
2109 static const struct iw_priv_args prism2_priv[] = {
2110 { PRISM2_IOCTL_MONITOR,
2111 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2112 { PRISM2_IOCTL_READMIF,
2113 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2114 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2115 { PRISM2_IOCTL_WRITEMIF,
2116 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2117 { PRISM2_IOCTL_RESET,
2118 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2119 { PRISM2_IOCTL_INQUIRE,
2120 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2121 { PRISM2_IOCTL_SET_RID_WORD,
2122 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2123 { PRISM2_IOCTL_MACCMD,
2124 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2125 { PRISM2_IOCTL_WDS_ADD,
2126 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2127 { PRISM2_IOCTL_WDS_DEL,
2128 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2129 { PRISM2_IOCTL_ADDMAC,
2130 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2131 { PRISM2_IOCTL_DELMAC,
2132 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2133 { PRISM2_IOCTL_KICKMAC,
2134 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2135 /* --- raw access to sub-ioctls --- */
2136 { PRISM2_IOCTL_PRISM2_PARAM,
2137 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2138 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2140 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2141 /* --- sub-ioctls handlers --- */
2142 { PRISM2_IOCTL_PRISM2_PARAM,
2143 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2144 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2145 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2146 /* --- sub-ioctls definitions --- */
2147 { PRISM2_PARAM_TXRATECTRL,
2148 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2149 { PRISM2_PARAM_TXRATECTRL,
2150 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2151 { PRISM2_PARAM_BEACON_INT,
2152 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2153 { PRISM2_PARAM_BEACON_INT,
2154 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2155 #ifndef PRISM2_NO_STATION_MODES
2156 { PRISM2_PARAM_PSEUDO_IBSS,
2157 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2158 { PRISM2_PARAM_PSEUDO_IBSS,
2159 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2160 #endif /* PRISM2_NO_STATION_MODES */
2161 { PRISM2_PARAM_ALC,
2162 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2163 { PRISM2_PARAM_ALC,
2164 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2165 { PRISM2_PARAM_DUMP,
2166 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2167 { PRISM2_PARAM_DUMP,
2168 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2169 { PRISM2_PARAM_OTHER_AP_POLICY,
2170 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2171 { PRISM2_PARAM_OTHER_AP_POLICY,
2172 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2173 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2174 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2175 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2176 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2177 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2178 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2179 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2180 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2181 { PRISM2_PARAM_DTIM_PERIOD,
2182 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2183 { PRISM2_PARAM_DTIM_PERIOD,
2184 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2185 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2186 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2187 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2188 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2189 { PRISM2_PARAM_MAX_WDS,
2190 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2191 { PRISM2_PARAM_MAX_WDS,
2192 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2193 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2194 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2195 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2196 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2197 { PRISM2_PARAM_AP_AUTH_ALGS,
2198 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2199 { PRISM2_PARAM_AP_AUTH_ALGS,
2200 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2201 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2202 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2203 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2204 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2205 { PRISM2_PARAM_HOST_ENCRYPT,
2206 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2207 { PRISM2_PARAM_HOST_ENCRYPT,
2208 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2209 { PRISM2_PARAM_HOST_DECRYPT,
2210 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2211 { PRISM2_PARAM_HOST_DECRYPT,
2212 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2213 #ifndef PRISM2_NO_STATION_MODES
2214 { PRISM2_PARAM_HOST_ROAMING,
2215 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2216 { PRISM2_PARAM_HOST_ROAMING,
2217 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2218 #endif /* PRISM2_NO_STATION_MODES */
2219 { PRISM2_PARAM_BCRX_STA_KEY,
2220 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2221 { PRISM2_PARAM_BCRX_STA_KEY,
2222 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2223 { PRISM2_PARAM_IEEE_802_1X,
2224 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2225 { PRISM2_PARAM_IEEE_802_1X,
2226 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2227 { PRISM2_PARAM_ANTSEL_TX,
2228 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2229 { PRISM2_PARAM_ANTSEL_TX,
2230 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2231 { PRISM2_PARAM_ANTSEL_RX,
2232 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2233 { PRISM2_PARAM_ANTSEL_RX,
2234 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2235 { PRISM2_PARAM_MONITOR_TYPE,
2236 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2237 { PRISM2_PARAM_MONITOR_TYPE,
2238 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2239 { PRISM2_PARAM_WDS_TYPE,
2240 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2241 { PRISM2_PARAM_WDS_TYPE,
2242 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2243 { PRISM2_PARAM_HOSTSCAN,
2244 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2245 { PRISM2_PARAM_HOSTSCAN,
2246 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2247 { PRISM2_PARAM_AP_SCAN,
2248 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2249 { PRISM2_PARAM_AP_SCAN,
2250 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2251 { PRISM2_PARAM_ENH_SEC,
2252 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2253 { PRISM2_PARAM_ENH_SEC,
2254 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2255 #ifdef PRISM2_IO_DEBUG
2256 { PRISM2_PARAM_IO_DEBUG,
2257 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2258 { PRISM2_PARAM_IO_DEBUG,
2259 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2260 #endif /* PRISM2_IO_DEBUG */
2261 { PRISM2_PARAM_BASIC_RATES,
2262 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2263 { PRISM2_PARAM_BASIC_RATES,
2264 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2265 { PRISM2_PARAM_OPER_RATES,
2266 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2267 { PRISM2_PARAM_OPER_RATES,
2268 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2269 { PRISM2_PARAM_HOSTAPD,
2270 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2271 { PRISM2_PARAM_HOSTAPD,
2272 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2273 { PRISM2_PARAM_HOSTAPD_STA,
2274 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2275 { PRISM2_PARAM_HOSTAPD_STA,
2276 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2277 { PRISM2_PARAM_WPA,
2278 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2279 { PRISM2_PARAM_WPA,
2280 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2281 { PRISM2_PARAM_PRIVACY_INVOKED,
2282 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2283 { PRISM2_PARAM_PRIVACY_INVOKED,
2284 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2285 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2286 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2287 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2288 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2289 { PRISM2_PARAM_DROP_UNENCRYPTED,
2290 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2291 { PRISM2_PARAM_DROP_UNENCRYPTED,
2292 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2293 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2294 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2295 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2296 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2297 };
2298
2299
2300 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2301 {
2302 struct hostap_interface *iface;
2303 local_info_t *local;
2304
2305 iface = netdev_priv(dev);
2306 local = iface->local;
2307
2308 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2309 return -EOPNOTSUPP;
2310
2311 return 0;
2312 }
2313
2314
2315 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2316 struct iw_request_info *info,
2317 void *wrqu, char *extra)
2318 {
2319 struct hostap_interface *iface;
2320 local_info_t *local;
2321 int *i = (int *) extra;
2322 int param = *i;
2323 int value = *(i + 1);
2324 int ret = 0;
2325 u16 val;
2326
2327 iface = netdev_priv(dev);
2328 local = iface->local;
2329
2330 switch (param) {
2331 case PRISM2_PARAM_TXRATECTRL:
2332 local->fw_tx_rate_control = value;
2333 break;
2334
2335 case PRISM2_PARAM_BEACON_INT:
2336 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2337 local->func->reset_port(dev))
2338 ret = -EINVAL;
2339 else
2340 local->beacon_int = value;
2341 break;
2342
2343 #ifndef PRISM2_NO_STATION_MODES
2344 case PRISM2_PARAM_PSEUDO_IBSS:
2345 if (value == local->pseudo_adhoc)
2346 break;
2347
2348 if (value != 0 && value != 1) {
2349 ret = -EINVAL;
2350 break;
2351 }
2352
2353 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2354 dev->name, local->pseudo_adhoc, value);
2355 local->pseudo_adhoc = value;
2356 if (local->iw_mode != IW_MODE_ADHOC)
2357 break;
2358
2359 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2360 hostap_get_porttype(local))) {
2361 ret = -EOPNOTSUPP;
2362 break;
2363 }
2364
2365 if (local->func->reset_port(dev))
2366 ret = -EINVAL;
2367 break;
2368 #endif /* PRISM2_NO_STATION_MODES */
2369
2370 case PRISM2_PARAM_ALC:
2371 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2372 value == 0 ? "Disabling" : "Enabling");
2373 val = HFA384X_TEST_CFG_BIT_ALC;
2374 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2375 (HFA384X_TEST_CFG_BITS << 8),
2376 value == 0 ? 0 : 1, &val, NULL);
2377 break;
2378
2379 case PRISM2_PARAM_DUMP:
2380 local->frame_dump = value;
2381 break;
2382
2383 case PRISM2_PARAM_OTHER_AP_POLICY:
2384 if (value < 0 || value > 3) {
2385 ret = -EINVAL;
2386 break;
2387 }
2388 if (local->ap != NULL)
2389 local->ap->ap_policy = value;
2390 break;
2391
2392 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2393 if (value < 0 || value > 7 * 24 * 60 * 60) {
2394 ret = -EINVAL;
2395 break;
2396 }
2397 if (local->ap != NULL)
2398 local->ap->max_inactivity = value * HZ;
2399 break;
2400
2401 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2402 if (local->ap != NULL)
2403 local->ap->bridge_packets = value;
2404 break;
2405
2406 case PRISM2_PARAM_DTIM_PERIOD:
2407 if (value < 0 || value > 65535) {
2408 ret = -EINVAL;
2409 break;
2410 }
2411 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2412 || local->func->reset_port(dev))
2413 ret = -EINVAL;
2414 else
2415 local->dtim_period = value;
2416 break;
2417
2418 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2419 if (local->ap != NULL)
2420 local->ap->nullfunc_ack = value;
2421 break;
2422
2423 case PRISM2_PARAM_MAX_WDS:
2424 local->wds_max_connections = value;
2425 break;
2426
2427 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2428 if (local->ap != NULL) {
2429 if (!local->ap->autom_ap_wds && value) {
2430 /* add WDS link to all APs in STA table */
2431 hostap_add_wds_links(local);
2432 }
2433 local->ap->autom_ap_wds = value;
2434 }
2435 break;
2436
2437 case PRISM2_PARAM_AP_AUTH_ALGS:
2438 local->auth_algs = value;
2439 if (hostap_set_auth_algs(local))
2440 ret = -EINVAL;
2441 break;
2442
2443 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2444 local->monitor_allow_fcserr = value;
2445 break;
2446
2447 case PRISM2_PARAM_HOST_ENCRYPT:
2448 local->host_encrypt = value;
2449 if (hostap_set_encryption(local) ||
2450 local->func->reset_port(dev))
2451 ret = -EINVAL;
2452 break;
2453
2454 case PRISM2_PARAM_HOST_DECRYPT:
2455 local->host_decrypt = value;
2456 if (hostap_set_encryption(local) ||
2457 local->func->reset_port(dev))
2458 ret = -EINVAL;
2459 break;
2460
2461 #ifndef PRISM2_NO_STATION_MODES
2462 case PRISM2_PARAM_HOST_ROAMING:
2463 if (value < 0 || value > 2) {
2464 ret = -EINVAL;
2465 break;
2466 }
2467 local->host_roaming = value;
2468 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2469 ret = -EINVAL;
2470 break;
2471 #endif /* PRISM2_NO_STATION_MODES */
2472
2473 case PRISM2_PARAM_BCRX_STA_KEY:
2474 local->bcrx_sta_key = value;
2475 break;
2476
2477 case PRISM2_PARAM_IEEE_802_1X:
2478 local->ieee_802_1x = value;
2479 break;
2480
2481 case PRISM2_PARAM_ANTSEL_TX:
2482 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2483 ret = -EINVAL;
2484 break;
2485 }
2486 local->antsel_tx = value;
2487 hostap_set_antsel(local);
2488 break;
2489
2490 case PRISM2_PARAM_ANTSEL_RX:
2491 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2492 ret = -EINVAL;
2493 break;
2494 }
2495 local->antsel_rx = value;
2496 hostap_set_antsel(local);
2497 break;
2498
2499 case PRISM2_PARAM_MONITOR_TYPE:
2500 if (value != PRISM2_MONITOR_80211 &&
2501 value != PRISM2_MONITOR_CAPHDR &&
2502 value != PRISM2_MONITOR_PRISM &&
2503 value != PRISM2_MONITOR_RADIOTAP) {
2504 ret = -EINVAL;
2505 break;
2506 }
2507 local->monitor_type = value;
2508 if (local->iw_mode == IW_MODE_MONITOR)
2509 hostap_monitor_set_type(local);
2510 break;
2511
2512 case PRISM2_PARAM_WDS_TYPE:
2513 local->wds_type = value;
2514 break;
2515
2516 case PRISM2_PARAM_HOSTSCAN:
2517 {
2518 struct hfa384x_hostscan_request scan_req;
2519 u16 rate;
2520
2521 memset(&scan_req, 0, sizeof(scan_req));
2522 scan_req.channel_list = cpu_to_le16(0x3fff);
2523 switch (value) {
2524 case 1: rate = HFA384X_RATES_1MBPS; break;
2525 case 2: rate = HFA384X_RATES_2MBPS; break;
2526 case 3: rate = HFA384X_RATES_5MBPS; break;
2527 case 4: rate = HFA384X_RATES_11MBPS; break;
2528 default: rate = HFA384X_RATES_1MBPS; break;
2529 }
2530 scan_req.txrate = cpu_to_le16(rate);
2531 /* leave SSID empty to accept all SSIDs */
2532
2533 if (local->iw_mode == IW_MODE_MASTER) {
2534 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2535 HFA384X_PORTTYPE_BSS) ||
2536 local->func->reset_port(dev))
2537 printk(KERN_DEBUG "Leaving Host AP mode "
2538 "for HostScan failed\n");
2539 }
2540
2541 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2542 sizeof(scan_req))) {
2543 printk(KERN_DEBUG "HOSTSCAN failed\n");
2544 ret = -EINVAL;
2545 }
2546 if (local->iw_mode == IW_MODE_MASTER) {
2547 wait_queue_t __wait;
2548 init_waitqueue_entry(&__wait, current);
2549 add_wait_queue(&local->hostscan_wq, &__wait);
2550 set_current_state(TASK_INTERRUPTIBLE);
2551 schedule_timeout(HZ);
2552 if (signal_pending(current))
2553 ret = -EINTR;
2554 set_current_state(TASK_RUNNING);
2555 remove_wait_queue(&local->hostscan_wq, &__wait);
2556
2557 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2558 HFA384X_PORTTYPE_HOSTAP) ||
2559 local->func->reset_port(dev))
2560 printk(KERN_DEBUG "Returning to Host AP mode "
2561 "after HostScan failed\n");
2562 }
2563 break;
2564 }
2565
2566 case PRISM2_PARAM_AP_SCAN:
2567 local->passive_scan_interval = value;
2568 if (timer_pending(&local->passive_scan_timer))
2569 del_timer(&local->passive_scan_timer);
2570 if (value > 0 && value < INT_MAX / HZ) {
2571 local->passive_scan_timer.expires = jiffies +
2572 local->passive_scan_interval * HZ;
2573 add_timer(&local->passive_scan_timer);
2574 }
2575 break;
2576
2577 case PRISM2_PARAM_ENH_SEC:
2578 if (value < 0 || value > 3) {
2579 ret = -EINVAL;
2580 break;
2581 }
2582 local->enh_sec = value;
2583 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2584 local->enh_sec) ||
2585 local->func->reset_port(dev)) {
2586 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2587 "1.6.3 or newer\n", dev->name);
2588 ret = -EOPNOTSUPP;
2589 }
2590 break;
2591
2592 #ifdef PRISM2_IO_DEBUG
2593 case PRISM2_PARAM_IO_DEBUG:
2594 local->io_debug_enabled = value;
2595 break;
2596 #endif /* PRISM2_IO_DEBUG */
2597
2598 case PRISM2_PARAM_BASIC_RATES:
2599 if ((value & local->tx_rate_control) != value || value == 0) {
2600 printk(KERN_INFO "%s: invalid basic rate set - basic "
2601 "rates must be in supported rate set\n",
2602 dev->name);
2603 ret = -EINVAL;
2604 break;
2605 }
2606 local->basic_rates = value;
2607 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2608 local->basic_rates) ||
2609 local->func->reset_port(dev))
2610 ret = -EINVAL;
2611 break;
2612
2613 case PRISM2_PARAM_OPER_RATES:
2614 local->tx_rate_control = value;
2615 if (hostap_set_rate(dev))
2616 ret = -EINVAL;
2617 break;
2618
2619 case PRISM2_PARAM_HOSTAPD:
2620 ret = hostap_set_hostapd(local, value, 1);
2621 break;
2622
2623 case PRISM2_PARAM_HOSTAPD_STA:
2624 ret = hostap_set_hostapd_sta(local, value, 1);
2625 break;
2626
2627 case PRISM2_PARAM_WPA:
2628 local->wpa = value;
2629 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2630 ret = -EOPNOTSUPP;
2631 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2632 value ? 1 : 0))
2633 ret = -EINVAL;
2634 break;
2635
2636 case PRISM2_PARAM_PRIVACY_INVOKED:
2637 local->privacy_invoked = value;
2638 if (hostap_set_encryption(local) ||
2639 local->func->reset_port(dev))
2640 ret = -EINVAL;
2641 break;
2642
2643 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2644 local->tkip_countermeasures = value;
2645 break;
2646
2647 case PRISM2_PARAM_DROP_UNENCRYPTED:
2648 local->drop_unencrypted = value;
2649 break;
2650
2651 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2652 local->scan_channel_mask = value;
2653 break;
2654
2655 default:
2656 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2657 dev->name, param);
2658 ret = -EOPNOTSUPP;
2659 break;
2660 }
2661
2662 return ret;
2663 }
2664
2665
2666 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2667 struct iw_request_info *info,
2668 void *wrqu, char *extra)
2669 {
2670 struct hostap_interface *iface;
2671 local_info_t *local;
2672 int *param = (int *) extra;
2673 int ret = 0;
2674
2675 iface = netdev_priv(dev);
2676 local = iface->local;
2677
2678 switch (*param) {
2679 case PRISM2_PARAM_TXRATECTRL:
2680 *param = local->fw_tx_rate_control;
2681 break;
2682
2683 case PRISM2_PARAM_BEACON_INT:
2684 *param = local->beacon_int;
2685 break;
2686
2687 case PRISM2_PARAM_PSEUDO_IBSS:
2688 *param = local->pseudo_adhoc;
2689 break;
2690
2691 case PRISM2_PARAM_ALC:
2692 ret = -EOPNOTSUPP; /* FIX */
2693 break;
2694
2695 case PRISM2_PARAM_DUMP:
2696 *param = local->frame_dump;
2697 break;
2698
2699 case PRISM2_PARAM_OTHER_AP_POLICY:
2700 if (local->ap != NULL)
2701 *param = local->ap->ap_policy;
2702 else
2703 ret = -EOPNOTSUPP;
2704 break;
2705
2706 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2707 if (local->ap != NULL)
2708 *param = local->ap->max_inactivity / HZ;
2709 else
2710 ret = -EOPNOTSUPP;
2711 break;
2712
2713 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2714 if (local->ap != NULL)
2715 *param = local->ap->bridge_packets;
2716 else
2717 ret = -EOPNOTSUPP;
2718 break;
2719
2720 case PRISM2_PARAM_DTIM_PERIOD:
2721 *param = local->dtim_period;
2722 break;
2723
2724 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2725 if (local->ap != NULL)
2726 *param = local->ap->nullfunc_ack;
2727 else
2728 ret = -EOPNOTSUPP;
2729 break;
2730
2731 case PRISM2_PARAM_MAX_WDS:
2732 *param = local->wds_max_connections;
2733 break;
2734
2735 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2736 if (local->ap != NULL)
2737 *param = local->ap->autom_ap_wds;
2738 else
2739 ret = -EOPNOTSUPP;
2740 break;
2741
2742 case PRISM2_PARAM_AP_AUTH_ALGS:
2743 *param = local->auth_algs;
2744 break;
2745
2746 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2747 *param = local->monitor_allow_fcserr;
2748 break;
2749
2750 case PRISM2_PARAM_HOST_ENCRYPT:
2751 *param = local->host_encrypt;
2752 break;
2753
2754 case PRISM2_PARAM_HOST_DECRYPT:
2755 *param = local->host_decrypt;
2756 break;
2757
2758 case PRISM2_PARAM_HOST_ROAMING:
2759 *param = local->host_roaming;
2760 break;
2761
2762 case PRISM2_PARAM_BCRX_STA_KEY:
2763 *param = local->bcrx_sta_key;
2764 break;
2765
2766 case PRISM2_PARAM_IEEE_802_1X:
2767 *param = local->ieee_802_1x;
2768 break;
2769
2770 case PRISM2_PARAM_ANTSEL_TX:
2771 *param = local->antsel_tx;
2772 break;
2773
2774 case PRISM2_PARAM_ANTSEL_RX:
2775 *param = local->antsel_rx;
2776 break;
2777
2778 case PRISM2_PARAM_MONITOR_TYPE:
2779 *param = local->monitor_type;
2780 break;
2781
2782 case PRISM2_PARAM_WDS_TYPE:
2783 *param = local->wds_type;
2784 break;
2785
2786 case PRISM2_PARAM_HOSTSCAN:
2787 ret = -EOPNOTSUPP;
2788 break;
2789
2790 case PRISM2_PARAM_AP_SCAN:
2791 *param = local->passive_scan_interval;
2792 break;
2793
2794 case PRISM2_PARAM_ENH_SEC:
2795 *param = local->enh_sec;
2796 break;
2797
2798 #ifdef PRISM2_IO_DEBUG
2799 case PRISM2_PARAM_IO_DEBUG:
2800 *param = local->io_debug_enabled;
2801 break;
2802 #endif /* PRISM2_IO_DEBUG */
2803
2804 case PRISM2_PARAM_BASIC_RATES:
2805 *param = local->basic_rates;
2806 break;
2807
2808 case PRISM2_PARAM_OPER_RATES:
2809 *param = local->tx_rate_control;
2810 break;
2811
2812 case PRISM2_PARAM_HOSTAPD:
2813 *param = local->hostapd;
2814 break;
2815
2816 case PRISM2_PARAM_HOSTAPD_STA:
2817 *param = local->hostapd_sta;
2818 break;
2819
2820 case PRISM2_PARAM_WPA:
2821 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2822 ret = -EOPNOTSUPP;
2823 *param = local->wpa;
2824 break;
2825
2826 case PRISM2_PARAM_PRIVACY_INVOKED:
2827 *param = local->privacy_invoked;
2828 break;
2829
2830 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2831 *param = local->tkip_countermeasures;
2832 break;
2833
2834 case PRISM2_PARAM_DROP_UNENCRYPTED:
2835 *param = local->drop_unencrypted;
2836 break;
2837
2838 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2839 *param = local->scan_channel_mask;
2840 break;
2841
2842 default:
2843 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2844 dev->name, *param);
2845 ret = -EOPNOTSUPP;
2846 break;
2847 }
2848
2849 return ret;
2850 }
2851
2852
2853 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2854 struct iw_request_info *info,
2855 void *wrqu, char *extra)
2856 {
2857 struct hostap_interface *iface;
2858 local_info_t *local;
2859 u16 resp0;
2860
2861 iface = netdev_priv(dev);
2862 local = iface->local;
2863
2864 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2865 &resp0))
2866 return -EOPNOTSUPP;
2867 else
2868 *extra = resp0;
2869
2870 return 0;
2871 }
2872
2873
2874 static int prism2_ioctl_priv_writemif(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 cr, val;
2881
2882 iface = netdev_priv(dev);
2883 local = iface->local;
2884
2885 cr = *extra;
2886 val = *(extra + 1);
2887 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2888 return -EOPNOTSUPP;
2889
2890 return 0;
2891 }
2892
2893
2894 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2895 {
2896 struct hostap_interface *iface;
2897 local_info_t *local;
2898 int ret = 0;
2899 u32 mode;
2900
2901 iface = netdev_priv(dev);
2902 local = iface->local;
2903
2904 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2905 "- update software to use iwconfig mode monitor\n",
2906 dev->name, task_pid_nr(current), current->comm);
2907
2908 /* Backward compatibility code - this can be removed at some point */
2909
2910 if (*i == 0) {
2911 /* Disable monitor mode - old mode was not saved, so go to
2912 * Master mode */
2913 mode = IW_MODE_MASTER;
2914 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2915 } else if (*i == 1) {
2916 /* netlink socket mode is not supported anymore since it did
2917 * not separate different devices from each other and was not
2918 * best method for delivering large amount of packets to
2919 * user space */
2920 ret = -EOPNOTSUPP;
2921 } else if (*i == 2 || *i == 3) {
2922 switch (*i) {
2923 case 2:
2924 local->monitor_type = PRISM2_MONITOR_80211;
2925 break;
2926 case 3:
2927 local->monitor_type = PRISM2_MONITOR_PRISM;
2928 break;
2929 }
2930 mode = IW_MODE_MONITOR;
2931 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2932 hostap_monitor_mode_enable(local);
2933 } else
2934 ret = -EINVAL;
2935
2936 return ret;
2937 }
2938
2939
2940 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2941 {
2942 struct hostap_interface *iface;
2943 local_info_t *local;
2944
2945 iface = netdev_priv(dev);
2946 local = iface->local;
2947
2948 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2949 switch (*i) {
2950 case 0:
2951 /* Disable and enable card */
2952 local->func->hw_shutdown(dev, 1);
2953 local->func->hw_config(dev, 0);
2954 break;
2955
2956 case 1:
2957 /* COR sreset */
2958 local->func->hw_reset(dev);
2959 break;
2960
2961 case 2:
2962 /* Disable and enable port 0 */
2963 local->func->reset_port(dev);
2964 break;
2965
2966 case 3:
2967 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2968 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2969 NULL))
2970 return -EINVAL;
2971 break;
2972
2973 case 4:
2974 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2975 NULL))
2976 return -EINVAL;
2977 break;
2978
2979 default:
2980 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2981 return -EOPNOTSUPP;
2982 }
2983
2984 return 0;
2985 }
2986
2987
2988 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2989 {
2990 int rid = *i;
2991 int value = *(i + 1);
2992
2993 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2994
2995 if (hostap_set_word(dev, rid, value))
2996 return -EINVAL;
2997
2998 return 0;
2999 }
3000
3001
3002 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3003 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3004 {
3005 int ret = 0;
3006
3007 switch (*cmd) {
3008 case AP_MAC_CMD_POLICY_OPEN:
3009 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3010 break;
3011 case AP_MAC_CMD_POLICY_ALLOW:
3012 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3013 break;
3014 case AP_MAC_CMD_POLICY_DENY:
3015 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3016 break;
3017 case AP_MAC_CMD_FLUSH:
3018 ap_control_flush_macs(&local->ap->mac_restrictions);
3019 break;
3020 case AP_MAC_CMD_KICKALL:
3021 ap_control_kickall(local->ap);
3022 hostap_deauth_all_stas(local->dev, local->ap, 0);
3023 break;
3024 default:
3025 ret = -EOPNOTSUPP;
3026 break;
3027 }
3028
3029 return ret;
3030 }
3031 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3032
3033
3034 #ifdef PRISM2_DOWNLOAD_SUPPORT
3035 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3036 {
3037 struct prism2_download_param *param;
3038 int ret = 0;
3039
3040 if (p->length < sizeof(struct prism2_download_param) ||
3041 p->length > 1024 || !p->pointer)
3042 return -EINVAL;
3043
3044 param = kmalloc(p->length, GFP_KERNEL);
3045 if (param == NULL)
3046 return -ENOMEM;
3047
3048 if (copy_from_user(param, p->pointer, p->length)) {
3049 ret = -EFAULT;
3050 goto out;
3051 }
3052
3053 if (p->length < sizeof(struct prism2_download_param) +
3054 param->num_areas * sizeof(struct prism2_download_area)) {
3055 ret = -EINVAL;
3056 goto out;
3057 }
3058
3059 ret = local->func->download(local, param);
3060
3061 out:
3062 kfree(param);
3063 return ret;
3064 }
3065 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3066
3067
3068 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3069 size_t len)
3070 {
3071 struct hostap_interface *iface = netdev_priv(dev);
3072 local_info_t *local = iface->local;
3073 u8 *buf;
3074
3075 /*
3076 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3077 * includes it.
3078 */
3079 buf = kmalloc(len + 2, GFP_KERNEL);
3080 if (buf == NULL)
3081 return -ENOMEM;
3082
3083 *((__le16 *) buf) = cpu_to_le16(len);
3084 memcpy(buf + 2, elem, len);
3085
3086 kfree(local->generic_elem);
3087 local->generic_elem = buf;
3088 local->generic_elem_len = len + 2;
3089
3090 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3091 buf, len + 2);
3092 }
3093
3094
3095 static int prism2_ioctl_siwauth(struct net_device *dev,
3096 struct iw_request_info *info,
3097 struct iw_param *data, char *extra)
3098 {
3099 struct hostap_interface *iface = netdev_priv(dev);
3100 local_info_t *local = iface->local;
3101
3102 switch (data->flags & IW_AUTH_INDEX) {
3103 case IW_AUTH_WPA_VERSION:
3104 case IW_AUTH_CIPHER_PAIRWISE:
3105 case IW_AUTH_CIPHER_GROUP:
3106 case IW_AUTH_KEY_MGMT:
3107 /*
3108 * Host AP driver does not use these parameters and allows
3109 * wpa_supplicant to control them internally.
3110 */
3111 break;
3112 case IW_AUTH_TKIP_COUNTERMEASURES:
3113 local->tkip_countermeasures = data->value;
3114 break;
3115 case IW_AUTH_DROP_UNENCRYPTED:
3116 local->drop_unencrypted = data->value;
3117 break;
3118 case IW_AUTH_80211_AUTH_ALG:
3119 local->auth_algs = data->value;
3120 break;
3121 case IW_AUTH_WPA_ENABLED:
3122 if (data->value == 0) {
3123 local->wpa = 0;
3124 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3125 break;
3126 prism2_set_genericelement(dev, "", 0);
3127 local->host_roaming = 0;
3128 local->privacy_invoked = 0;
3129 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3130 0) ||
3131 hostap_set_roaming(local) ||
3132 hostap_set_encryption(local) ||
3133 local->func->reset_port(dev))
3134 return -EINVAL;
3135 break;
3136 }
3137 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3138 return -EOPNOTSUPP;
3139 local->host_roaming = 2;
3140 local->privacy_invoked = 1;
3141 local->wpa = 1;
3142 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3143 hostap_set_roaming(local) ||
3144 hostap_set_encryption(local) ||
3145 local->func->reset_port(dev))
3146 return -EINVAL;
3147 break;
3148 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3149 local->ieee_802_1x = data->value;
3150 break;
3151 case IW_AUTH_PRIVACY_INVOKED:
3152 local->privacy_invoked = data->value;
3153 break;
3154 default:
3155 return -EOPNOTSUPP;
3156 }
3157 return 0;
3158 }
3159
3160
3161 static int prism2_ioctl_giwauth(struct net_device *dev,
3162 struct iw_request_info *info,
3163 struct iw_param *data, char *extra)
3164 {
3165 struct hostap_interface *iface = netdev_priv(dev);
3166 local_info_t *local = iface->local;
3167
3168 switch (data->flags & IW_AUTH_INDEX) {
3169 case IW_AUTH_WPA_VERSION:
3170 case IW_AUTH_CIPHER_PAIRWISE:
3171 case IW_AUTH_CIPHER_GROUP:
3172 case IW_AUTH_KEY_MGMT:
3173 /*
3174 * Host AP driver does not use these parameters and allows
3175 * wpa_supplicant to control them internally.
3176 */
3177 return -EOPNOTSUPP;
3178 case IW_AUTH_TKIP_COUNTERMEASURES:
3179 data->value = local->tkip_countermeasures;
3180 break;
3181 case IW_AUTH_DROP_UNENCRYPTED:
3182 data->value = local->drop_unencrypted;
3183 break;
3184 case IW_AUTH_80211_AUTH_ALG:
3185 data->value = local->auth_algs;
3186 break;
3187 case IW_AUTH_WPA_ENABLED:
3188 data->value = local->wpa;
3189 break;
3190 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3191 data->value = local->ieee_802_1x;
3192 break;
3193 default:
3194 return -EOPNOTSUPP;
3195 }
3196 return 0;
3197 }
3198
3199
3200 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3201 struct iw_request_info *info,
3202 struct iw_point *erq, char *extra)
3203 {
3204 struct hostap_interface *iface = netdev_priv(dev);
3205 local_info_t *local = iface->local;
3206 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3207 int i, ret = 0;
3208 struct lib80211_crypto_ops *ops;
3209 struct lib80211_crypt_data **crypt;
3210 void *sta_ptr;
3211 u8 *addr;
3212 const char *alg, *module;
3213
3214 i = erq->flags & IW_ENCODE_INDEX;
3215 if (i > WEP_KEYS)
3216 return -EINVAL;
3217 if (i < 1 || i > WEP_KEYS)
3218 i = local->crypt_info.tx_keyidx;
3219 else
3220 i--;
3221 if (i < 0 || i >= WEP_KEYS)
3222 return -EINVAL;
3223
3224 addr = ext->addr.sa_data;
3225 if (is_broadcast_ether_addr(addr)) {
3226 sta_ptr = NULL;
3227 crypt = &local->crypt_info.crypt[i];
3228 } else {
3229 if (i != 0)
3230 return -EINVAL;
3231 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3232 if (sta_ptr == NULL) {
3233 if (local->iw_mode == IW_MODE_INFRA) {
3234 /*
3235 * TODO: add STA entry for the current AP so
3236 * that unicast key can be used. For now, this
3237 * is emulated by using default key idx 0.
3238 */
3239 i = 0;
3240 crypt = &local->crypt_info.crypt[i];
3241 } else
3242 return -EINVAL;
3243 }
3244 }
3245
3246 if ((erq->flags & IW_ENCODE_DISABLED) ||
3247 ext->alg == IW_ENCODE_ALG_NONE) {
3248 if (*crypt)
3249 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3250 goto done;
3251 }
3252
3253 switch (ext->alg) {
3254 case IW_ENCODE_ALG_WEP:
3255 alg = "WEP";
3256 module = "lib80211_crypt_wep";
3257 break;
3258 case IW_ENCODE_ALG_TKIP:
3259 alg = "TKIP";
3260 module = "lib80211_crypt_tkip";
3261 break;
3262 case IW_ENCODE_ALG_CCMP:
3263 alg = "CCMP";
3264 module = "lib80211_crypt_ccmp";
3265 break;
3266 default:
3267 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3268 local->dev->name, ext->alg);
3269 ret = -EOPNOTSUPP;
3270 goto done;
3271 }
3272
3273 ops = lib80211_get_crypto_ops(alg);
3274 if (ops == NULL) {
3275 request_module(module);
3276 ops = lib80211_get_crypto_ops(alg);
3277 }
3278 if (ops == NULL) {
3279 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3280 local->dev->name, alg);
3281 ret = -EOPNOTSUPP;
3282 goto done;
3283 }
3284
3285 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3286 /*
3287 * Per station encryption and other than WEP algorithms
3288 * require host-based encryption, so force them on
3289 * automatically.
3290 */
3291 local->host_decrypt = local->host_encrypt = 1;
3292 }
3293
3294 if (*crypt == NULL || (*crypt)->ops != ops) {
3295 struct lib80211_crypt_data *new_crypt;
3296
3297 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3298
3299 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3300 GFP_KERNEL);
3301 if (new_crypt == NULL) {
3302 ret = -ENOMEM;
3303 goto done;
3304 }
3305 new_crypt->ops = ops;
3306 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3307 new_crypt->priv = new_crypt->ops->init(i);
3308 if (new_crypt->priv == NULL) {
3309 kfree(new_crypt);
3310 ret = -EINVAL;
3311 goto done;
3312 }
3313
3314 *crypt = new_crypt;
3315 }
3316
3317 /*
3318 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3319 * existing seq# should not be changed.
3320 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3321 * should be changed to something else than zero.
3322 */
3323 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3324 && (*crypt)->ops->set_key &&
3325 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3326 (*crypt)->priv) < 0) {
3327 printk(KERN_DEBUG "%s: key setting failed\n",
3328 local->dev->name);
3329 ret = -EINVAL;
3330 goto done;
3331 }
3332
3333 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3334 if (!sta_ptr)
3335 local->crypt_info.tx_keyidx = i;
3336 }
3337
3338
3339 if (sta_ptr == NULL && ext->key_len > 0) {
3340 int first = 1, j;
3341 for (j = 0; j < WEP_KEYS; j++) {
3342 if (j != i && local->crypt_info.crypt[j]) {
3343 first = 0;
3344 break;
3345 }
3346 }
3347 if (first)
3348 local->crypt_info.tx_keyidx = i;
3349 }
3350
3351 done:
3352 if (sta_ptr)
3353 hostap_handle_sta_release(sta_ptr);
3354
3355 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3356
3357 /*
3358 * Do not reset port0 if card is in Managed mode since resetting will
3359 * generate new IEEE 802.11 authentication which may end up in looping
3360 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3361 * after WEP configuration. However, keys are apparently changed at
3362 * least in Managed mode.
3363 */
3364 if (ret == 0 &&
3365 (hostap_set_encryption(local) ||
3366 (local->iw_mode != IW_MODE_INFRA &&
3367 local->func->reset_port(local->dev))))
3368 ret = -EINVAL;
3369
3370 return ret;
3371 }
3372
3373
3374 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3375 struct iw_request_info *info,
3376 struct iw_point *erq, char *extra)
3377 {
3378 struct hostap_interface *iface = netdev_priv(dev);
3379 local_info_t *local = iface->local;
3380 struct lib80211_crypt_data **crypt;
3381 void *sta_ptr;
3382 int max_key_len, i;
3383 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3384 u8 *addr;
3385
3386 max_key_len = erq->length - sizeof(*ext);
3387 if (max_key_len < 0)
3388 return -EINVAL;
3389
3390 i = erq->flags & IW_ENCODE_INDEX;
3391 if (i < 1 || i > WEP_KEYS)
3392 i = local->crypt_info.tx_keyidx;
3393 else
3394 i--;
3395
3396 addr = ext->addr.sa_data;
3397 if (is_broadcast_ether_addr(addr)) {
3398 sta_ptr = NULL;
3399 crypt = &local->crypt_info.crypt[i];
3400 } else {
3401 i = 0;
3402 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3403 if (sta_ptr == NULL)
3404 return -EINVAL;
3405 }
3406 erq->flags = i + 1;
3407 memset(ext, 0, sizeof(*ext));
3408
3409 if (*crypt == NULL || (*crypt)->ops == NULL) {
3410 ext->alg = IW_ENCODE_ALG_NONE;
3411 ext->key_len = 0;
3412 erq->flags |= IW_ENCODE_DISABLED;
3413 } else {
3414 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3415 ext->alg = IW_ENCODE_ALG_WEP;
3416 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3417 ext->alg = IW_ENCODE_ALG_TKIP;
3418 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3419 ext->alg = IW_ENCODE_ALG_CCMP;
3420 else
3421 return -EINVAL;
3422
3423 if ((*crypt)->ops->get_key) {
3424 ext->key_len =
3425 (*crypt)->ops->get_key(ext->key,
3426 max_key_len,
3427 ext->tx_seq,
3428 (*crypt)->priv);
3429 if (ext->key_len &&
3430 (ext->alg == IW_ENCODE_ALG_TKIP ||
3431 ext->alg == IW_ENCODE_ALG_CCMP))
3432 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3433 }
3434 }
3435
3436 if (sta_ptr)
3437 hostap_handle_sta_release(sta_ptr);
3438
3439 return 0;
3440 }
3441
3442
3443 static int prism2_ioctl_set_encryption(local_info_t *local,
3444 struct prism2_hostapd_param *param,
3445 int param_len)
3446 {
3447 int ret = 0;
3448 struct lib80211_crypto_ops *ops;
3449 struct lib80211_crypt_data **crypt;
3450 void *sta_ptr;
3451
3452 param->u.crypt.err = 0;
3453 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3454
3455 if (param_len !=
3456 (int) ((char *) param->u.crypt.key - (char *) param) +
3457 param->u.crypt.key_len)
3458 return -EINVAL;
3459
3460 if (is_broadcast_ether_addr(param->sta_addr)) {
3461 if (param->u.crypt.idx >= WEP_KEYS)
3462 return -EINVAL;
3463 sta_ptr = NULL;
3464 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3465 } else {
3466 if (param->u.crypt.idx)
3467 return -EINVAL;
3468 sta_ptr = ap_crypt_get_ptrs(
3469 local->ap, param->sta_addr,
3470 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3471 &crypt);
3472
3473 if (sta_ptr == NULL) {
3474 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3475 return -EINVAL;
3476 }
3477 }
3478
3479 if (strcmp(param->u.crypt.alg, "none") == 0) {
3480 if (crypt)
3481 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3482 goto done;
3483 }
3484
3485 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3486 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3487 request_module("lib80211_crypt_wep");
3488 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3489 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3490 request_module("lib80211_crypt_tkip");
3491 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3492 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3493 request_module("lib80211_crypt_ccmp");
3494 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3495 }
3496 if (ops == NULL) {
3497 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3498 local->dev->name, param->u.crypt.alg);
3499 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3500 ret = -EINVAL;
3501 goto done;
3502 }
3503
3504 /* station based encryption and other than WEP algorithms require
3505 * host-based encryption, so force them on automatically */
3506 local->host_decrypt = local->host_encrypt = 1;
3507
3508 if (*crypt == NULL || (*crypt)->ops != ops) {
3509 struct lib80211_crypt_data *new_crypt;
3510
3511 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3512
3513 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3514 GFP_KERNEL);
3515 if (new_crypt == NULL) {
3516 ret = -ENOMEM;
3517 goto done;
3518 }
3519 new_crypt->ops = ops;
3520 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3521 if (new_crypt->priv == NULL) {
3522 kfree(new_crypt);
3523 param->u.crypt.err =
3524 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3525 ret = -EINVAL;
3526 goto done;
3527 }
3528
3529 *crypt = new_crypt;
3530 }
3531
3532 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3533 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3534 (*crypt)->ops->set_key(param->u.crypt.key,
3535 param->u.crypt.key_len, param->u.crypt.seq,
3536 (*crypt)->priv) < 0) {
3537 printk(KERN_DEBUG "%s: key setting failed\n",
3538 local->dev->name);
3539 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3540 ret = -EINVAL;
3541 goto done;
3542 }
3543
3544 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3545 if (!sta_ptr)
3546 local->crypt_info.tx_keyidx = param->u.crypt.idx;
3547 else if (param->u.crypt.idx) {
3548 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3549 local->dev->name);
3550 param->u.crypt.err =
3551 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3552 ret = -EINVAL;
3553 goto done;
3554 }
3555 }
3556
3557 done:
3558 if (sta_ptr)
3559 hostap_handle_sta_release(sta_ptr);
3560
3561 /* Do not reset port0 if card is in Managed mode since resetting will
3562 * generate new IEEE 802.11 authentication which may end up in looping
3563 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3564 * after WEP configuration. However, keys are apparently changed at
3565 * least in Managed mode. */
3566 if (ret == 0 &&
3567 (hostap_set_encryption(local) ||
3568 (local->iw_mode != IW_MODE_INFRA &&
3569 local->func->reset_port(local->dev)))) {
3570 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3571 return -EINVAL;
3572 }
3573
3574 return ret;
3575 }
3576
3577
3578 static int prism2_ioctl_get_encryption(local_info_t *local,
3579 struct prism2_hostapd_param *param,
3580 int param_len)
3581 {
3582 struct lib80211_crypt_data **crypt;
3583 void *sta_ptr;
3584 int max_key_len;
3585
3586 param->u.crypt.err = 0;
3587
3588 max_key_len = param_len -
3589 (int) ((char *) param->u.crypt.key - (char *) param);
3590 if (max_key_len < 0)
3591 return -EINVAL;
3592
3593 if (is_broadcast_ether_addr(param->sta_addr)) {
3594 sta_ptr = NULL;
3595 if (param->u.crypt.idx >= WEP_KEYS)
3596 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3597 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3598 } else {
3599 param->u.crypt.idx = 0;
3600 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3601 &crypt);
3602
3603 if (sta_ptr == NULL) {
3604 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3605 return -EINVAL;
3606 }
3607 }
3608
3609 if (*crypt == NULL || (*crypt)->ops == NULL) {
3610 memcpy(param->u.crypt.alg, "none", 5);
3611 param->u.crypt.key_len = 0;
3612 param->u.crypt.idx = 0xff;
3613 } else {
3614 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3615 HOSTAP_CRYPT_ALG_NAME_LEN);
3616 param->u.crypt.key_len = 0;
3617
3618 memset(param->u.crypt.seq, 0, 8);
3619 if ((*crypt)->ops->get_key) {
3620 param->u.crypt.key_len =
3621 (*crypt)->ops->get_key(param->u.crypt.key,
3622 max_key_len,
3623 param->u.crypt.seq,
3624 (*crypt)->priv);
3625 }
3626 }
3627
3628 if (sta_ptr)
3629 hostap_handle_sta_release(sta_ptr);
3630
3631 return 0;
3632 }
3633
3634
3635 static int prism2_ioctl_get_rid(local_info_t *local,
3636 struct prism2_hostapd_param *param,
3637 int param_len)
3638 {
3639 int max_len, res;
3640
3641 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3642 if (max_len < 0)
3643 return -EINVAL;
3644
3645 res = local->func->get_rid(local->dev, param->u.rid.rid,
3646 param->u.rid.data, param->u.rid.len, 0);
3647 if (res >= 0) {
3648 param->u.rid.len = res;
3649 return 0;
3650 }
3651
3652 return res;
3653 }
3654
3655
3656 static int prism2_ioctl_set_rid(local_info_t *local,
3657 struct prism2_hostapd_param *param,
3658 int param_len)
3659 {
3660 int max_len;
3661
3662 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3663 if (max_len < 0 || max_len < param->u.rid.len)
3664 return -EINVAL;
3665
3666 return local->func->set_rid(local->dev, param->u.rid.rid,
3667 param->u.rid.data, param->u.rid.len);
3668 }
3669
3670
3671 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3672 struct prism2_hostapd_param *param,
3673 int param_len)
3674 {
3675 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3676 local->dev->name, param->sta_addr);
3677 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3678 return 0;
3679 }
3680
3681
3682 static int prism2_ioctl_siwgenie(struct net_device *dev,
3683 struct iw_request_info *info,
3684 struct iw_point *data, char *extra)
3685 {
3686 return prism2_set_genericelement(dev, extra, data->length);
3687 }
3688
3689
3690 static int prism2_ioctl_giwgenie(struct net_device *dev,
3691 struct iw_request_info *info,
3692 struct iw_point *data, char *extra)
3693 {
3694 struct hostap_interface *iface = netdev_priv(dev);
3695 local_info_t *local = iface->local;
3696 int len = local->generic_elem_len - 2;
3697
3698 if (len <= 0 || local->generic_elem == NULL) {
3699 data->length = 0;
3700 return 0;
3701 }
3702
3703 if (data->length < len)
3704 return -E2BIG;
3705
3706 data->length = len;
3707 memcpy(extra, local->generic_elem + 2, len);
3708
3709 return 0;
3710 }
3711
3712
3713 static int prism2_ioctl_set_generic_element(local_info_t *local,
3714 struct prism2_hostapd_param *param,
3715 int param_len)
3716 {
3717 int max_len, len;
3718
3719 len = param->u.generic_elem.len;
3720 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3721 if (max_len < 0 || max_len < len)
3722 return -EINVAL;
3723
3724 return prism2_set_genericelement(local->dev,
3725 param->u.generic_elem.data, len);
3726 }
3727
3728
3729 static int prism2_ioctl_siwmlme(struct net_device *dev,
3730 struct iw_request_info *info,
3731 struct iw_point *data, char *extra)
3732 {
3733 struct hostap_interface *iface = netdev_priv(dev);
3734 local_info_t *local = iface->local;
3735 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3736 __le16 reason;
3737
3738 reason = cpu_to_le16(mlme->reason_code);
3739
3740 switch (mlme->cmd) {
3741 case IW_MLME_DEAUTH:
3742 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3743 IEEE80211_STYPE_DEAUTH,
3744 (u8 *) &reason, 2);
3745 case IW_MLME_DISASSOC:
3746 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3747 IEEE80211_STYPE_DISASSOC,
3748 (u8 *) &reason, 2);
3749 default:
3750 return -EOPNOTSUPP;
3751 }
3752 }
3753
3754
3755 static int prism2_ioctl_mlme(local_info_t *local,
3756 struct prism2_hostapd_param *param)
3757 {
3758 __le16 reason;
3759
3760 reason = cpu_to_le16(param->u.mlme.reason_code);
3761 switch (param->u.mlme.cmd) {
3762 case MLME_STA_DEAUTH:
3763 return prism2_sta_send_mgmt(local, param->sta_addr,
3764 IEEE80211_STYPE_DEAUTH,
3765 (u8 *) &reason, 2);
3766 case MLME_STA_DISASSOC:
3767 return prism2_sta_send_mgmt(local, param->sta_addr,
3768 IEEE80211_STYPE_DISASSOC,
3769 (u8 *) &reason, 2);
3770 default:
3771 return -EOPNOTSUPP;
3772 }
3773 }
3774
3775
3776 static int prism2_ioctl_scan_req(local_info_t *local,
3777 struct prism2_hostapd_param *param)
3778 {
3779 #ifndef PRISM2_NO_STATION_MODES
3780 if ((local->iw_mode != IW_MODE_INFRA &&
3781 local->iw_mode != IW_MODE_ADHOC) ||
3782 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3783 return -EOPNOTSUPP;
3784
3785 if (!local->dev_enabled)
3786 return -ENETDOWN;
3787
3788 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3789 param->u.scan_req.ssid_len);
3790 #else /* PRISM2_NO_STATION_MODES */
3791 return -EOPNOTSUPP;
3792 #endif /* PRISM2_NO_STATION_MODES */
3793 }
3794
3795
3796 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3797 {
3798 struct prism2_hostapd_param *param;
3799 int ret = 0;
3800 int ap_ioctl = 0;
3801
3802 if (p->length < sizeof(struct prism2_hostapd_param) ||
3803 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3804 return -EINVAL;
3805
3806 param = kmalloc(p->length, GFP_KERNEL);
3807 if (param == NULL)
3808 return -ENOMEM;
3809
3810 if (copy_from_user(param, p->pointer, p->length)) {
3811 ret = -EFAULT;
3812 goto out;
3813 }
3814
3815 switch (param->cmd) {
3816 case PRISM2_SET_ENCRYPTION:
3817 ret = prism2_ioctl_set_encryption(local, param, p->length);
3818 break;
3819 case PRISM2_GET_ENCRYPTION:
3820 ret = prism2_ioctl_get_encryption(local, param, p->length);
3821 break;
3822 case PRISM2_HOSTAPD_GET_RID:
3823 ret = prism2_ioctl_get_rid(local, param, p->length);
3824 break;
3825 case PRISM2_HOSTAPD_SET_RID:
3826 ret = prism2_ioctl_set_rid(local, param, p->length);
3827 break;
3828 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3829 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3830 break;
3831 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3832 ret = prism2_ioctl_set_generic_element(local, param,
3833 p->length);
3834 break;
3835 case PRISM2_HOSTAPD_MLME:
3836 ret = prism2_ioctl_mlme(local, param);
3837 break;
3838 case PRISM2_HOSTAPD_SCAN_REQ:
3839 ret = prism2_ioctl_scan_req(local, param);
3840 break;
3841 default:
3842 ret = prism2_hostapd(local->ap, param);
3843 ap_ioctl = 1;
3844 break;
3845 }
3846
3847 if (ret == 1 || !ap_ioctl) {
3848 if (copy_to_user(p->pointer, param, p->length)) {
3849 ret = -EFAULT;
3850 goto out;
3851 } else if (ap_ioctl)
3852 ret = 0;
3853 }
3854
3855 out:
3856 kfree(param);
3857 return ret;
3858 }
3859
3860
3861 static void prism2_get_drvinfo(struct net_device *dev,
3862 struct ethtool_drvinfo *info)
3863 {
3864 struct hostap_interface *iface;
3865 local_info_t *local;
3866
3867 iface = netdev_priv(dev);
3868 local = iface->local;
3869
3870 strlcpy(info->driver, "hostap", sizeof(info->driver));
3871 snprintf(info->fw_version, sizeof(info->fw_version),
3872 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3873 (local->sta_fw_ver >> 8) & 0xff,
3874 local->sta_fw_ver & 0xff);
3875 }
3876
3877 const struct ethtool_ops prism2_ethtool_ops = {
3878 .get_drvinfo = prism2_get_drvinfo
3879 };
3880
3881
3882 /* Structures to export the Wireless Handlers */
3883
3884 static const iw_handler prism2_handler[] =
3885 {
3886 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3887 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3888 (iw_handler) NULL, /* SIOCSIWNWID */
3889 (iw_handler) NULL, /* SIOCGIWNWID */
3890 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3891 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3892 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3893 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3894 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3895 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3896 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3897 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3898 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3899 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3900 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3901 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3902 iw_handler_set_spy, /* SIOCSIWSPY */
3903 iw_handler_get_spy, /* SIOCGIWSPY */
3904 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3905 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3906 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3907 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3908 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3909 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3910 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3911 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3912 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3913 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3914 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3915 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3916 (iw_handler) NULL, /* -- hole -- */
3917 (iw_handler) NULL, /* -- hole -- */
3918 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3919 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3920 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3921 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3922 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3923 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3924 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3925 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3926 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3927 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3928 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3929 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3930 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3931 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3932 (iw_handler) NULL, /* -- hole -- */
3933 (iw_handler) NULL, /* -- hole -- */
3934 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3935 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3936 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3937 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3938 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3939 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3940 (iw_handler) NULL, /* SIOCSIWPMKSA */
3941 (iw_handler) NULL, /* -- hole -- */
3942 };
3943
3944 static const iw_handler prism2_private_handler[] =
3945 { /* SIOCIWFIRSTPRIV + */
3946 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3947 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3948 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3949 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3950 };
3951
3952 const struct iw_handler_def hostap_iw_handler_def =
3953 {
3954 .num_standard = ARRAY_SIZE(prism2_handler),
3955 .num_private = ARRAY_SIZE(prism2_private_handler),
3956 .num_private_args = ARRAY_SIZE(prism2_priv),
3957 .standard = (iw_handler *) prism2_handler,
3958 .private = (iw_handler *) prism2_private_handler,
3959 .private_args = (struct iw_priv_args *) prism2_priv,
3960 .get_wireless_stats = hostap_get_wireless_stats,
3961 };
3962
3963
3964 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3965 {
3966 struct iwreq *wrq = (struct iwreq *) ifr;
3967 struct hostap_interface *iface;
3968 local_info_t *local;
3969 int ret = 0;
3970
3971 iface = netdev_priv(dev);
3972 local = iface->local;
3973
3974 switch (cmd) {
3975 /* Private ioctls (iwpriv) that have not yet been converted
3976 * into new wireless extensions API */
3977
3978 case PRISM2_IOCTL_INQUIRE:
3979 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3980 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3981 break;
3982
3983 case PRISM2_IOCTL_MONITOR:
3984 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3985 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3986 break;
3987
3988 case PRISM2_IOCTL_RESET:
3989 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3990 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3991 break;
3992
3993 case PRISM2_IOCTL_WDS_ADD:
3994 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3995 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3996 break;
3997
3998 case PRISM2_IOCTL_WDS_DEL:
3999 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4000 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4001 break;
4002
4003 case PRISM2_IOCTL_SET_RID_WORD:
4004 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4005 else ret = prism2_ioctl_priv_set_rid_word(dev,
4006 (int *) wrq->u.name);
4007 break;
4008
4009 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4010 case PRISM2_IOCTL_MACCMD:
4011 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4012 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4013 break;
4014
4015 case PRISM2_IOCTL_ADDMAC:
4016 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4017 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4018 wrq->u.ap_addr.sa_data);
4019 break;
4020 case PRISM2_IOCTL_DELMAC:
4021 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4022 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4023 wrq->u.ap_addr.sa_data);
4024 break;
4025 case PRISM2_IOCTL_KICKMAC:
4026 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4027 else ret = ap_control_kick_mac(local->ap, local->dev,
4028 wrq->u.ap_addr.sa_data);
4029 break;
4030 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4031
4032
4033 /* Private ioctls that are not used with iwpriv;
4034 * in SIOCDEVPRIVATE range */
4035
4036 #ifdef PRISM2_DOWNLOAD_SUPPORT
4037 case PRISM2_IOCTL_DOWNLOAD:
4038 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4039 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4040 break;
4041 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4042
4043 case PRISM2_IOCTL_HOSTAPD:
4044 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4045 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4046 break;
4047
4048 default:
4049 ret = -EOPNOTSUPP;
4050 break;
4051 }
4052
4053 return ret;
4054 }
Linux kernel - Deliverables
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