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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / net / wireless / hostap / hostap_ioctl.c
blob756e31f95fb823c0e556fcef27514738982d4f6b
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 <net/lib80211.h>
10
11 #include "hostap_wlan.h"
12 #include "hostap.h"
13 #include "hostap_ap.h"
14
15 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
16 {
17 struct hostap_interface *iface;
18 local_info_t *local;
19 struct iw_statistics *wstats;
20
21 iface = netdev_priv(dev);
22 local = iface->local;
23
24 /* Why are we doing that ? Jean II */
25 if (iface->type != HOSTAP_INTERFACE_MAIN)
26 return NULL;
27
28 wstats = &local->wstats;
29
30 wstats->status = 0;
31 wstats->discard.code =
32 local->comm_tallies.rx_discards_wep_undecryptable;
33 wstats->discard.misc =
34 local->comm_tallies.rx_fcs_errors +
35 local->comm_tallies.rx_discards_no_buffer +
36 local->comm_tallies.tx_discards_wrong_sa;
37
38 wstats->discard.retries =
39 local->comm_tallies.tx_retry_limit_exceeded;
40 wstats->discard.fragment =
41 local->comm_tallies.rx_message_in_bad_msg_fragments;
42
43 if (local->iw_mode != IW_MODE_MASTER &&
44 local->iw_mode != IW_MODE_REPEAT) {
45 int update = 1;
46 #ifdef in_atomic
47 /* RID reading might sleep and it must not be called in
48 * interrupt context or while atomic. However, this
49 * function seems to be called while atomic (at least in Linux
50 * 2.5.59). Update signal quality values only if in suitable
51 * context. Otherwise, previous values read from tick timer
52 * will be used. */
53 if (in_atomic())
54 update = 0;
55 #endif /* in_atomic */
56
57 if (update && prism2_update_comms_qual(dev) == 0)
58 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
59 IW_QUAL_DBM;
60
61 wstats->qual.qual = local->comms_qual;
62 wstats->qual.level = local->avg_signal;
63 wstats->qual.noise = local->avg_noise;
64 } else {
65 wstats->qual.qual = 0;
66 wstats->qual.level = 0;
67 wstats->qual.noise = 0;
68 wstats->qual.updated = IW_QUAL_ALL_INVALID;
69 }
70
71 return wstats;
72 }
73
74
75 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
76 {
77 struct hostap_interface *iface;
78 local_info_t *local;
79 u8 buf[12];
80 int len;
81 u16 val;
82
83 iface = netdev_priv(dev);
84 local = iface->local;
85
86 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
87 sizeof(buf), 0);
88 if (len < 2)
89 return 0;
90
91 val = le16_to_cpu(*(__le16 *) buf); /* string length */
92
93 if (len - 2 < val || val > 10)
94 return 0;
95
96 memcpy(rates, buf + 2, val);
97 return val;
98 }
99
100
101 static int prism2_get_name(struct net_device *dev,
102 struct iw_request_info *info,
103 char *name, char *extra)
104 {
105 u8 rates[10];
106 int len, i, over2 = 0;
107
108 len = prism2_get_datarates(dev, rates);
109
110 for (i = 0; i < len; i++) {
111 if (rates[i] == 0x0b || rates[i] == 0x16) {
112 over2 = 1;
113 break;
114 }
115 }
116
117 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
118
119 return 0;
120 }
121
122
123 static int prism2_ioctl_siwencode(struct net_device *dev,
124 struct iw_request_info *info,
125 struct iw_point *erq, char *keybuf)
126 {
127 struct hostap_interface *iface;
128 local_info_t *local;
129 int i;
130 struct lib80211_crypt_data **crypt;
131
132 iface = netdev_priv(dev);
133 local = iface->local;
134
135 i = erq->flags & IW_ENCODE_INDEX;
136 if (i < 1 || i > 4)
137 i = local->crypt_info.tx_keyidx;
138 else
139 i--;
140 if (i < 0 || i >= WEP_KEYS)
141 return -EINVAL;
142
143 crypt = &local->crypt_info.crypt[i];
144
145 if (erq->flags & IW_ENCODE_DISABLED) {
146 if (*crypt)
147 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
148 goto done;
149 }
150
151 if (*crypt != NULL && (*crypt)->ops != NULL &&
152 strcmp((*crypt)->ops->name, "WEP") != 0) {
153 /* changing to use WEP; deinit previously used algorithm */
154 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
155 }
156
157 if (*crypt == NULL) {
158 struct lib80211_crypt_data *new_crypt;
159
160 /* take WEP into use */
161 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
162 GFP_KERNEL);
163 if (new_crypt == NULL)
164 return -ENOMEM;
165 new_crypt->ops = lib80211_get_crypto_ops("WEP");
166 if (!new_crypt->ops) {
167 request_module("lib80211_crypt_wep");
168 new_crypt->ops = lib80211_get_crypto_ops("WEP");
169 }
170 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
171 new_crypt->priv = new_crypt->ops->init(i);
172 if (!new_crypt->ops || !new_crypt->priv) {
173 kfree(new_crypt);
174 new_crypt = NULL;
175
176 printk(KERN_WARNING "%s: could not initialize WEP: "
177 "load module hostap_crypt_wep.o\n",
178 dev->name);
179 return -EOPNOTSUPP;
180 }
181 *crypt = new_crypt;
182 }
183
184 if (erq->length > 0) {
185 int len = erq->length <= 5 ? 5 : 13;
186 int first = 1, j;
187 if (len > erq->length)
188 memset(keybuf + erq->length, 0, len - erq->length);
189 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
190 for (j = 0; j < WEP_KEYS; j++) {
191 if (j != i && local->crypt_info.crypt[j]) {
192 first = 0;
193 break;
194 }
195 }
196 if (first)
197 local->crypt_info.tx_keyidx = i;
198 } else {
199 /* No key data - just set the default TX key index */
200 local->crypt_info.tx_keyidx = i;
201 }
202
203 done:
204 local->open_wep = erq->flags & IW_ENCODE_OPEN;
205
206 if (hostap_set_encryption(local)) {
207 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
208 return -EINVAL;
209 }
210
211 /* Do not reset port0 if card is in Managed mode since resetting will
212 * generate new IEEE 802.11 authentication which may end up in looping
213 * with IEEE 802.1X. Prism2 documentation seem to require port reset
214 * after WEP configuration. However, keys are apparently changed at
215 * least in Managed mode. */
216 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
217 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
218 return -EINVAL;
219 }
220
221 return 0;
222 }
223
224
225 static int prism2_ioctl_giwencode(struct net_device *dev,
226 struct iw_request_info *info,
227 struct iw_point *erq, char *key)
228 {
229 struct hostap_interface *iface;
230 local_info_t *local;
231 int i, len;
232 u16 val;
233 struct lib80211_crypt_data *crypt;
234
235 iface = netdev_priv(dev);
236 local = iface->local;
237
238 i = erq->flags & IW_ENCODE_INDEX;
239 if (i < 1 || i > 4)
240 i = local->crypt_info.tx_keyidx;
241 else
242 i--;
243 if (i < 0 || i >= WEP_KEYS)
244 return -EINVAL;
245
246 crypt = local->crypt_info.crypt[i];
247 erq->flags = i + 1;
248
249 if (crypt == NULL || crypt->ops == NULL) {
250 erq->length = 0;
251 erq->flags |= IW_ENCODE_DISABLED;
252 return 0;
253 }
254
255 if (strcmp(crypt->ops->name, "WEP") != 0) {
256 /* only WEP is supported with wireless extensions, so just
257 * report that encryption is used */
258 erq->length = 0;
259 erq->flags |= IW_ENCODE_ENABLED;
260 return 0;
261 }
262
263 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
264 * the keys from driver buffer */
265 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
266 erq->length = (len >= 0 ? len : 0);
267
268 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
269 {
270 printk("CNFWEPFLAGS reading failed\n");
271 return -EOPNOTSUPP;
272 }
273 le16_to_cpus(&val);
274 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
275 erq->flags |= IW_ENCODE_ENABLED;
276 else
277 erq->flags |= IW_ENCODE_DISABLED;
278 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
279 erq->flags |= IW_ENCODE_RESTRICTED;
280 else
281 erq->flags |= IW_ENCODE_OPEN;
282
283 return 0;
284 }
285
286
287 static int hostap_set_rate(struct net_device *dev)
288 {
289 struct hostap_interface *iface;
290 local_info_t *local;
291 int ret, basic_rates;
292
293 iface = netdev_priv(dev);
294 local = iface->local;
295
296 basic_rates = local->basic_rates & local->tx_rate_control;
297 if (!basic_rates || basic_rates != local->basic_rates) {
298 printk(KERN_INFO "%s: updating basic rate set automatically "
299 "to match with the new supported rate set\n",
300 dev->name);
301 if (!basic_rates)
302 basic_rates = local->tx_rate_control;
303
304 local->basic_rates = basic_rates;
305 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
306 basic_rates))
307 printk(KERN_WARNING "%s: failed to set "
308 "cnfBasicRates\n", dev->name);
309 }
310
311 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
312 local->tx_rate_control) ||
313 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
314 local->tx_rate_control) ||
315 local->func->reset_port(dev));
316
317 if (ret) {
318 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
319 "setting to 0x%x failed\n",
320 dev->name, local->tx_rate_control);
321 }
322
323 /* Update TX rate configuration for all STAs based on new operational
324 * rate set. */
325 hostap_update_rates(local);
326
327 return ret;
328 }
329
330
331 static int prism2_ioctl_siwrate(struct net_device *dev,
332 struct iw_request_info *info,
333 struct iw_param *rrq, char *extra)
334 {
335 struct hostap_interface *iface;
336 local_info_t *local;
337
338 iface = netdev_priv(dev);
339 local = iface->local;
340
341 if (rrq->fixed) {
342 switch (rrq->value) {
343 case 11000000:
344 local->tx_rate_control = HFA384X_RATES_11MBPS;
345 break;
346 case 5500000:
347 local->tx_rate_control = HFA384X_RATES_5MBPS;
348 break;
349 case 2000000:
350 local->tx_rate_control = HFA384X_RATES_2MBPS;
351 break;
352 case 1000000:
353 local->tx_rate_control = HFA384X_RATES_1MBPS;
354 break;
355 default:
356 local->tx_rate_control = HFA384X_RATES_1MBPS |
357 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
358 HFA384X_RATES_11MBPS;
359 break;
360 }
361 } else {
362 switch (rrq->value) {
363 case 11000000:
364 local->tx_rate_control = HFA384X_RATES_1MBPS |
365 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
366 HFA384X_RATES_11MBPS;
367 break;
368 case 5500000:
369 local->tx_rate_control = HFA384X_RATES_1MBPS |
370 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
371 break;
372 case 2000000:
373 local->tx_rate_control = HFA384X_RATES_1MBPS |
374 HFA384X_RATES_2MBPS;
375 break;
376 case 1000000:
377 local->tx_rate_control = HFA384X_RATES_1MBPS;
378 break;
379 default:
380 local->tx_rate_control = HFA384X_RATES_1MBPS |
381 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
382 HFA384X_RATES_11MBPS;
383 break;
384 }
385 }
386
387 return hostap_set_rate(dev);
388 }
389
390
391 static int prism2_ioctl_giwrate(struct net_device *dev,
392 struct iw_request_info *info,
393 struct iw_param *rrq, char *extra)
394 {
395 u16 val;
396 struct hostap_interface *iface;
397 local_info_t *local;
398 int ret = 0;
399
400 iface = netdev_priv(dev);
401 local = iface->local;
402
403 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
404 0)
405 return -EINVAL;
406
407 if ((val & 0x1) && (val > 1))
408 rrq->fixed = 0;
409 else
410 rrq->fixed = 1;
411
412 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
413 !local->fw_tx_rate_control) {
414 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
415 * Host AP mode, so use the recorded TX rate of the last sent
416 * frame */
417 rrq->value = local->ap->last_tx_rate > 0 ?
418 local->ap->last_tx_rate * 100000 : 11000000;
419 return 0;
420 }
421
422 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
423 0)
424 return -EINVAL;
425
426 switch (val) {
427 case HFA384X_RATES_1MBPS:
428 rrq->value = 1000000;
429 break;
430 case HFA384X_RATES_2MBPS:
431 rrq->value = 2000000;
432 break;
433 case HFA384X_RATES_5MBPS:
434 rrq->value = 5500000;
435 break;
436 case HFA384X_RATES_11MBPS:
437 rrq->value = 11000000;
438 break;
439 default:
440 /* should not happen */
441 rrq->value = 11000000;
442 ret = -EINVAL;
443 break;
444 }
445
446 return ret;
447 }
448
449
450 static int prism2_ioctl_siwsens(struct net_device *dev,
451 struct iw_request_info *info,
452 struct iw_param *sens, char *extra)
453 {
454 struct hostap_interface *iface;
455 local_info_t *local;
456
457 iface = netdev_priv(dev);
458 local = iface->local;
459
460 /* Set the desired AP density */
461 if (sens->value < 1 || sens->value > 3)
462 return -EINVAL;
463
464 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
465 local->func->reset_port(dev))
466 return -EINVAL;
467
468 return 0;
469 }
470
471 static int prism2_ioctl_giwsens(struct net_device *dev,
472 struct iw_request_info *info,
473 struct iw_param *sens, char *extra)
474 {
475 struct hostap_interface *iface;
476 local_info_t *local;
477 __le16 val;
478
479 iface = netdev_priv(dev);
480 local = iface->local;
481
482 /* Get the current AP density */
483 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
484 0)
485 return -EINVAL;
486
487 sens->value = le16_to_cpu(val);
488 sens->fixed = 1;
489
490 return 0;
491 }
492
493
494 /* Deprecated in new wireless extension API */
495 static int prism2_ioctl_giwaplist(struct net_device *dev,
496 struct iw_request_info *info,
497 struct iw_point *data, char *extra)
498 {
499 struct hostap_interface *iface;
500 local_info_t *local;
501 struct sockaddr *addr;
502 struct iw_quality *qual;
503
504 iface = netdev_priv(dev);
505 local = iface->local;
506
507 if (local->iw_mode != IW_MODE_MASTER) {
508 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
509 "in Host AP mode\n");
510 data->length = 0;
511 return -EOPNOTSUPP;
512 }
513
514 addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
515 qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
516 if (addr == NULL || qual == NULL) {
517 kfree(addr);
518 kfree(qual);
519 data->length = 0;
520 return -ENOMEM;
521 }
522
523 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
524
525 memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
526 data->flags = 1; /* has quality information */
527 memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
528 sizeof(struct iw_quality) * data->length);
529
530 kfree(addr);
531 kfree(qual);
532 return 0;
533 }
534
535
536 static int prism2_ioctl_siwrts(struct net_device *dev,
537 struct iw_request_info *info,
538 struct iw_param *rts, char *extra)
539 {
540 struct hostap_interface *iface;
541 local_info_t *local;
542 __le16 val;
543
544 iface = netdev_priv(dev);
545 local = iface->local;
546
547 if (rts->disabled)
548 val = cpu_to_le16(2347);
549 else if (rts->value < 0 || rts->value > 2347)
550 return -EINVAL;
551 else
552 val = cpu_to_le16(rts->value);
553
554 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
555 local->func->reset_port(dev))
556 return -EINVAL;
557
558 local->rts_threshold = rts->value;
559
560 return 0;
561 }
562
563 static int prism2_ioctl_giwrts(struct net_device *dev,
564 struct iw_request_info *info,
565 struct iw_param *rts, char *extra)
566 {
567 struct hostap_interface *iface;
568 local_info_t *local;
569 __le16 val;
570
571 iface = netdev_priv(dev);
572 local = iface->local;
573
574 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
575 0)
576 return -EINVAL;
577
578 rts->value = le16_to_cpu(val);
579 rts->disabled = (rts->value == 2347);
580 rts->fixed = 1;
581
582 return 0;
583 }
584
585
586 static int prism2_ioctl_siwfrag(struct net_device *dev,
587 struct iw_request_info *info,
588 struct iw_param *rts, char *extra)
589 {
590 struct hostap_interface *iface;
591 local_info_t *local;
592 __le16 val;
593
594 iface = netdev_priv(dev);
595 local = iface->local;
596
597 if (rts->disabled)
598 val = cpu_to_le16(2346);
599 else if (rts->value < 256 || rts->value > 2346)
600 return -EINVAL;
601 else
602 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
603
604 local->fragm_threshold = rts->value & ~0x1;
605 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
606 2)
607 || local->func->reset_port(dev))
608 return -EINVAL;
609
610 return 0;
611 }
612
613 static int prism2_ioctl_giwfrag(struct net_device *dev,
614 struct iw_request_info *info,
615 struct iw_param *rts, char *extra)
616 {
617 struct hostap_interface *iface;
618 local_info_t *local;
619 __le16 val;
620
621 iface = netdev_priv(dev);
622 local = iface->local;
623
624 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
625 &val, 2, 1) < 0)
626 return -EINVAL;
627
628 rts->value = le16_to_cpu(val);
629 rts->disabled = (rts->value == 2346);
630 rts->fixed = 1;
631
632 return 0;
633 }
634
635
636 #ifndef PRISM2_NO_STATION_MODES
637 static int hostap_join_ap(struct net_device *dev)
638 {
639 struct hostap_interface *iface;
640 local_info_t *local;
641 struct hfa384x_join_request req;
642 unsigned long flags;
643 int i;
644 struct hfa384x_hostscan_result *entry;
645
646 iface = netdev_priv(dev);
647 local = iface->local;
648
649 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
650 req.channel = 0;
651
652 spin_lock_irqsave(&local->lock, flags);
653 for (i = 0; i < local->last_scan_results_count; i++) {
654 if (!local->last_scan_results)
655 break;
656 entry = &local->last_scan_results[i];
657 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
658 req.channel = entry->chid;
659 break;
660 }
661 }
662 spin_unlock_irqrestore(&local->lock, flags);
663
664 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
665 sizeof(req))) {
666 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
667 dev->name, local->preferred_ap);
668 return -1;
669 }
670
671 printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
672 dev->name, local->preferred_ap);
673
674 return 0;
675 }
676 #endif /* PRISM2_NO_STATION_MODES */
677
678
679 static int prism2_ioctl_siwap(struct net_device *dev,
680 struct iw_request_info *info,
681 struct sockaddr *ap_addr, char *extra)
682 {
683 #ifdef PRISM2_NO_STATION_MODES
684 return -EOPNOTSUPP;
685 #else /* PRISM2_NO_STATION_MODES */
686 struct hostap_interface *iface;
687 local_info_t *local;
688
689 iface = netdev_priv(dev);
690 local = iface->local;
691
692 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
693
694 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
695 struct hfa384x_scan_request scan_req;
696 memset(&scan_req, 0, sizeof(scan_req));
697 scan_req.channel_list = cpu_to_le16(0x3fff);
698 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
699 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
700 &scan_req, sizeof(scan_req))) {
701 printk(KERN_DEBUG "%s: ScanResults request failed - "
702 "preferred AP delayed to next unsolicited "
703 "scan\n", dev->name);
704 }
705 } else if (local->host_roaming == 2 &&
706 local->iw_mode == IW_MODE_INFRA) {
707 if (hostap_join_ap(dev))
708 return -EINVAL;
709 } else {
710 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
711 "in Managed mode when host_roaming is enabled\n",
712 dev->name);
713 }
714
715 return 0;
716 #endif /* PRISM2_NO_STATION_MODES */
717 }
718
719 static int prism2_ioctl_giwap(struct net_device *dev,
720 struct iw_request_info *info,
721 struct sockaddr *ap_addr, char *extra)
722 {
723 struct hostap_interface *iface;
724 local_info_t *local;
725
726 iface = netdev_priv(dev);
727 local = iface->local;
728
729 ap_addr->sa_family = ARPHRD_ETHER;
730 switch (iface->type) {
731 case HOSTAP_INTERFACE_AP:
732 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
733 break;
734 case HOSTAP_INTERFACE_STA:
735 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
736 break;
737 case HOSTAP_INTERFACE_WDS:
738 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
739 break;
740 default:
741 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
742 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
743 return -EOPNOTSUPP;
744
745 /* local->bssid is also updated in LinkStatus handler when in
746 * station mode */
747 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
748 break;
749 }
750
751 return 0;
752 }
753
754
755 static int prism2_ioctl_siwnickn(struct net_device *dev,
756 struct iw_request_info *info,
757 struct iw_point *data, char *nickname)
758 {
759 struct hostap_interface *iface;
760 local_info_t *local;
761
762 iface = netdev_priv(dev);
763 local = iface->local;
764
765 memset(local->name, 0, sizeof(local->name));
766 memcpy(local->name, nickname, data->length);
767 local->name_set = 1;
768
769 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
770 local->func->reset_port(dev))
771 return -EINVAL;
772
773 return 0;
774 }
775
776 static int prism2_ioctl_giwnickn(struct net_device *dev,
777 struct iw_request_info *info,
778 struct iw_point *data, char *nickname)
779 {
780 struct hostap_interface *iface;
781 local_info_t *local;
782 int len;
783 char name[MAX_NAME_LEN + 3];
784 u16 val;
785
786 iface = netdev_priv(dev);
787 local = iface->local;
788
789 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
790 &name, MAX_NAME_LEN + 2, 0);
791 val = le16_to_cpu(*(__le16 *) name);
792 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
793 return -EOPNOTSUPP;
794
795 name[val + 2] = '\0';
796 data->length = val + 1;
797 memcpy(nickname, name + 2, val + 1);
798
799 return 0;
800 }
801
802
803 static int prism2_ioctl_siwfreq(struct net_device *dev,
804 struct iw_request_info *info,
805 struct iw_freq *freq, char *extra)
806 {
807 struct hostap_interface *iface;
808 local_info_t *local;
809
810 iface = netdev_priv(dev);
811 local = iface->local;
812
813 /* freq => chan. */
814 if (freq->e == 1 &&
815 freq->m / 100000 >= freq_list[0] &&
816 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
817 int ch;
818 int fr = freq->m / 100000;
819 for (ch = 0; ch < FREQ_COUNT; ch++) {
820 if (fr == freq_list[ch]) {
821 freq->e = 0;
822 freq->m = ch + 1;
823 break;
824 }
825 }
826 }
827
828 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
829 !(local->channel_mask & (1 << (freq->m - 1))))
830 return -EINVAL;
831
832 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
833 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
834 local->func->reset_port(dev))
835 return -EINVAL;
836
837 return 0;
838 }
839
840 static int prism2_ioctl_giwfreq(struct net_device *dev,
841 struct iw_request_info *info,
842 struct iw_freq *freq, char *extra)
843 {
844 struct hostap_interface *iface;
845 local_info_t *local;
846 u16 val;
847
848 iface = netdev_priv(dev);
849 local = iface->local;
850
851 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
852 0)
853 return -EINVAL;
854
855 le16_to_cpus(&val);
856 if (val < 1 || val > FREQ_COUNT)
857 return -EINVAL;
858
859 freq->m = freq_list[val - 1] * 100000;
860 freq->e = 1;
861
862 return 0;
863 }
864
865
866 static void hostap_monitor_set_type(local_info_t *local)
867 {
868 struct net_device *dev = local->ddev;
869
870 if (dev == NULL)
871 return;
872
873 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
874 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
875 dev->type = ARPHRD_IEEE80211_PRISM;
876 } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
877 dev->type = ARPHRD_IEEE80211_RADIOTAP;
878 } else {
879 dev->type = ARPHRD_IEEE80211;
880 }
881 }
882
883
884 static int prism2_ioctl_siwessid(struct net_device *dev,
885 struct iw_request_info *info,
886 struct iw_point *data, char *ssid)
887 {
888 struct hostap_interface *iface;
889 local_info_t *local;
890
891 iface = netdev_priv(dev);
892 local = iface->local;
893
894 if (iface->type == HOSTAP_INTERFACE_WDS)
895 return -EOPNOTSUPP;
896
897 if (data->flags == 0)
898 ssid[0] = '\0'; /* ANY */
899
900 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
901 /* Setting SSID to empty string seems to kill the card in
902 * Host AP mode */
903 printk(KERN_DEBUG "%s: Host AP mode does not support "
904 "'Any' essid\n", dev->name);
905 return -EINVAL;
906 }
907
908 memcpy(local->essid, ssid, data->length);
909 local->essid[data->length] = '\0';
910
911 if ((!local->fw_ap &&
912 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
913 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
914 local->func->reset_port(dev))
915 return -EINVAL;
916
917 return 0;
918 }
919
920 static int prism2_ioctl_giwessid(struct net_device *dev,
921 struct iw_request_info *info,
922 struct iw_point *data, char *essid)
923 {
924 struct hostap_interface *iface;
925 local_info_t *local;
926 u16 val;
927
928 iface = netdev_priv(dev);
929 local = iface->local;
930
931 if (iface->type == HOSTAP_INTERFACE_WDS)
932 return -EOPNOTSUPP;
933
934 data->flags = 1; /* active */
935 if (local->iw_mode == IW_MODE_MASTER) {
936 data->length = strlen(local->essid);
937 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
938 } else {
939 int len;
940 char ssid[MAX_SSID_LEN + 2];
941 memset(ssid, 0, sizeof(ssid));
942 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
943 &ssid, MAX_SSID_LEN + 2, 0);
944 val = le16_to_cpu(*(__le16 *) ssid);
945 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
946 return -EOPNOTSUPP;
947 }
948 data->length = val;
949 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
950 }
951
952 return 0;
953 }
954
955
956 static int prism2_ioctl_giwrange(struct net_device *dev,
957 struct iw_request_info *info,
958 struct iw_point *data, char *extra)
959 {
960 struct hostap_interface *iface;
961 local_info_t *local;
962 struct iw_range *range = (struct iw_range *) extra;
963 u8 rates[10];
964 u16 val;
965 int i, len, over2;
966
967 iface = netdev_priv(dev);
968 local = iface->local;
969
970 data->length = sizeof(struct iw_range);
971 memset(range, 0, sizeof(struct iw_range));
972
973 /* TODO: could fill num_txpower and txpower array with
974 * something; however, there are 128 different values.. */
975
976 range->txpower_capa = IW_TXPOW_DBM;
977
978 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
979 {
980 range->min_pmp = 1 * 1024;
981 range->max_pmp = 65535 * 1024;
982 range->min_pmt = 1 * 1024;
983 range->max_pmt = 1000 * 1024;
984 range->pmp_flags = IW_POWER_PERIOD;
985 range->pmt_flags = IW_POWER_TIMEOUT;
986 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
987 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
988 }
989
990 range->we_version_compiled = WIRELESS_EXT;
991 range->we_version_source = 18;
992
993 range->retry_capa = IW_RETRY_LIMIT;
994 range->retry_flags = IW_RETRY_LIMIT;
995 range->min_retry = 0;
996 range->max_retry = 255;
997
998 range->num_channels = FREQ_COUNT;
999
1000 val = 0;
1001 for (i = 0; i < FREQ_COUNT; i++) {
1002 if (local->channel_mask & (1 << i)) {
1003 range->freq[val].i = i + 1;
1004 range->freq[val].m = freq_list[i] * 100000;
1005 range->freq[val].e = 1;
1006 val++;
1007 }
1008 if (val == IW_MAX_FREQUENCIES)
1009 break;
1010 }
1011 range->num_frequency = val;
1012
1013 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1014 range->max_qual.qual = 70; /* what is correct max? This was not
1015 * documented exactly. At least
1016 * 69 has been observed. */
1017 range->max_qual.level = 0; /* dB */
1018 range->max_qual.noise = 0; /* dB */
1019
1020 /* What would be suitable values for "average/typical" qual? */
1021 range->avg_qual.qual = 20;
1022 range->avg_qual.level = -60;
1023 range->avg_qual.noise = -95;
1024 } else {
1025 range->max_qual.qual = 92; /* 0 .. 92 */
1026 range->max_qual.level = 154; /* 27 .. 154 */
1027 range->max_qual.noise = 154; /* 27 .. 154 */
1028 }
1029 range->sensitivity = 3;
1030
1031 range->max_encoding_tokens = WEP_KEYS;
1032 range->num_encoding_sizes = 2;
1033 range->encoding_size[0] = 5;
1034 range->encoding_size[1] = 13;
1035
1036 over2 = 0;
1037 len = prism2_get_datarates(dev, rates);
1038 range->num_bitrates = 0;
1039 for (i = 0; i < len; i++) {
1040 if (range->num_bitrates < IW_MAX_BITRATES) {
1041 range->bitrate[range->num_bitrates] =
1042 rates[i] * 500000;
1043 range->num_bitrates++;
1044 }
1045 if (rates[i] == 0x0b || rates[i] == 0x16)
1046 over2 = 1;
1047 }
1048 /* estimated maximum TCP throughput values (bps) */
1049 range->throughput = over2 ? 5500000 : 1500000;
1050
1051 range->min_rts = 0;
1052 range->max_rts = 2347;
1053 range->min_frag = 256;
1054 range->max_frag = 2346;
1055
1056 /* Event capability (kernel + driver) */
1057 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1058 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1059 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1060 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1061 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1062 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1063 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1064 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1065 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1066
1067 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1068 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1069
1070 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1071 range->scan_capa = IW_SCAN_CAPA_ESSID;
1072
1073 return 0;
1074 }
1075
1076
1077 static int hostap_monitor_mode_enable(local_info_t *local)
1078 {
1079 struct net_device *dev = local->dev;
1080
1081 printk(KERN_DEBUG "Enabling monitor mode\n");
1082 hostap_monitor_set_type(local);
1083
1084 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1085 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1086 printk(KERN_DEBUG "Port type setting for monitor mode "
1087 "failed\n");
1088 return -EOPNOTSUPP;
1089 }
1090
1091 /* Host decrypt is needed to get the IV and ICV fields;
1092 * however, monitor mode seems to remove WEP flag from frame
1093 * control field */
1094 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1095 HFA384X_WEPFLAGS_HOSTENCRYPT |
1096 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1097 printk(KERN_DEBUG "WEP flags setting failed\n");
1098 return -EOPNOTSUPP;
1099 }
1100
1101 if (local->func->reset_port(dev) ||
1102 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1103 (HFA384X_TEST_MONITOR << 8),
1104 0, NULL, NULL)) {
1105 printk(KERN_DEBUG "Setting monitor mode failed\n");
1106 return -EOPNOTSUPP;
1107 }
1108
1109 return 0;
1110 }
1111
1112
1113 static int hostap_monitor_mode_disable(local_info_t *local)
1114 {
1115 struct net_device *dev = local->ddev;
1116
1117 if (dev == NULL)
1118 return -1;
1119
1120 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1121 dev->type = ARPHRD_ETHER;
1122
1123 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1124 (HFA384X_TEST_STOP << 8),
1125 0, NULL, NULL))
1126 return -1;
1127 return hostap_set_encryption(local);
1128 }
1129
1130
1131 static int prism2_ioctl_siwmode(struct net_device *dev,
1132 struct iw_request_info *info,
1133 __u32 *mode, char *extra)
1134 {
1135 struct hostap_interface *iface;
1136 local_info_t *local;
1137 int double_reset = 0;
1138
1139 iface = netdev_priv(dev);
1140 local = iface->local;
1141
1142 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1143 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1144 *mode != IW_MODE_MONITOR)
1145 return -EOPNOTSUPP;
1146
1147 #ifdef PRISM2_NO_STATION_MODES
1148 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1149 return -EOPNOTSUPP;
1150 #endif /* PRISM2_NO_STATION_MODES */
1151
1152 if (*mode == local->iw_mode)
1153 return 0;
1154
1155 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1156 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1157 "mode\n", dev->name);
1158 return -EINVAL;
1159 }
1160
1161 if (local->iw_mode == IW_MODE_MONITOR)
1162 hostap_monitor_mode_disable(local);
1163
1164 if ((local->iw_mode == IW_MODE_ADHOC ||
1165 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1166 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1167 * that leaves beacon frames to use IBSS type when moving from
1168 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1169 * enough to workaround this. */
1170 double_reset = 1;
1171 }
1172
1173 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1174 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1175 local->iw_mode = *mode;
1176
1177 if (local->iw_mode == IW_MODE_MONITOR)
1178 hostap_monitor_mode_enable(local);
1179 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1180 !local->fw_encrypt_ok) {
1181 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1182 "a workaround for firmware bug in Host AP mode WEP\n",
1183 dev->name);
1184 local->host_encrypt = 1;
1185 }
1186
1187 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1188 hostap_get_porttype(local)))
1189 return -EOPNOTSUPP;
1190
1191 if (local->func->reset_port(dev))
1192 return -EINVAL;
1193 if (double_reset && local->func->reset_port(dev))
1194 return -EINVAL;
1195
1196 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1197 {
1198 /* netif_carrier is used only in client modes for now, so make
1199 * sure carrier is on when moving to non-client modes. */
1200 netif_carrier_on(local->dev);
1201 netif_carrier_on(local->ddev);
1202 }
1203 return 0;
1204 }
1205
1206
1207 static int prism2_ioctl_giwmode(struct net_device *dev,
1208 struct iw_request_info *info,
1209 __u32 *mode, char *extra)
1210 {
1211 struct hostap_interface *iface;
1212 local_info_t *local;
1213
1214 iface = netdev_priv(dev);
1215 local = iface->local;
1216
1217 switch (iface->type) {
1218 case HOSTAP_INTERFACE_STA:
1219 *mode = IW_MODE_INFRA;
1220 break;
1221 case HOSTAP_INTERFACE_WDS:
1222 *mode = IW_MODE_REPEAT;
1223 break;
1224 default:
1225 *mode = local->iw_mode;
1226 break;
1227 }
1228 return 0;
1229 }
1230
1231
1232 static int prism2_ioctl_siwpower(struct net_device *dev,
1233 struct iw_request_info *info,
1234 struct iw_param *wrq, char *extra)
1235 {
1236 #ifdef PRISM2_NO_STATION_MODES
1237 return -EOPNOTSUPP;
1238 #else /* PRISM2_NO_STATION_MODES */
1239 int ret = 0;
1240
1241 if (wrq->disabled)
1242 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1243
1244 switch (wrq->flags & IW_POWER_MODE) {
1245 case IW_POWER_UNICAST_R:
1246 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1247 if (ret)
1248 return ret;
1249 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1250 if (ret)
1251 return ret;
1252 break;
1253 case IW_POWER_ALL_R:
1254 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1255 if (ret)
1256 return ret;
1257 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1258 if (ret)
1259 return ret;
1260 break;
1261 case IW_POWER_ON:
1262 break;
1263 default:
1264 return -EINVAL;
1265 }
1266
1267 if (wrq->flags & IW_POWER_TIMEOUT) {
1268 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1269 if (ret)
1270 return ret;
1271 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1272 wrq->value / 1024);
1273 if (ret)
1274 return ret;
1275 }
1276 if (wrq->flags & IW_POWER_PERIOD) {
1277 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1278 if (ret)
1279 return ret;
1280 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1281 wrq->value / 1024);
1282 if (ret)
1283 return ret;
1284 }
1285
1286 return ret;
1287 #endif /* PRISM2_NO_STATION_MODES */
1288 }
1289
1290
1291 static int prism2_ioctl_giwpower(struct net_device *dev,
1292 struct iw_request_info *info,
1293 struct iw_param *rrq, char *extra)
1294 {
1295 #ifdef PRISM2_NO_STATION_MODES
1296 return -EOPNOTSUPP;
1297 #else /* PRISM2_NO_STATION_MODES */
1298 struct hostap_interface *iface;
1299 local_info_t *local;
1300 __le16 enable, mcast;
1301
1302 iface = netdev_priv(dev);
1303 local = iface->local;
1304
1305 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1306 < 0)
1307 return -EINVAL;
1308
1309 if (!le16_to_cpu(enable)) {
1310 rrq->disabled = 1;
1311 return 0;
1312 }
1313
1314 rrq->disabled = 0;
1315
1316 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1317 __le16 timeout;
1318 if (local->func->get_rid(dev,
1319 HFA384X_RID_CNFPMHOLDOVERDURATION,
1320 &timeout, 2, 1) < 0)
1321 return -EINVAL;
1322
1323 rrq->flags = IW_POWER_TIMEOUT;
1324 rrq->value = le16_to_cpu(timeout) * 1024;
1325 } else {
1326 __le16 period;
1327 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1328 &period, 2, 1) < 0)
1329 return -EINVAL;
1330
1331 rrq->flags = IW_POWER_PERIOD;
1332 rrq->value = le16_to_cpu(period) * 1024;
1333 }
1334
1335 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1336 2, 1) < 0)
1337 return -EINVAL;
1338
1339 if (le16_to_cpu(mcast))
1340 rrq->flags |= IW_POWER_ALL_R;
1341 else
1342 rrq->flags |= IW_POWER_UNICAST_R;
1343
1344 return 0;
1345 #endif /* PRISM2_NO_STATION_MODES */
1346 }
1347
1348
1349 static int prism2_ioctl_siwretry(struct net_device *dev,
1350 struct iw_request_info *info,
1351 struct iw_param *rrq, char *extra)
1352 {
1353 struct hostap_interface *iface;
1354 local_info_t *local;
1355
1356 iface = netdev_priv(dev);
1357 local = iface->local;
1358
1359 if (rrq->disabled)
1360 return -EINVAL;
1361
1362 /* setting retry limits is not supported with the current station
1363 * firmware code; simulate this with alternative retry count for now */
1364 if (rrq->flags == IW_RETRY_LIMIT) {
1365 if (rrq->value < 0) {
1366 /* disable manual retry count setting and use firmware
1367 * defaults */
1368 local->manual_retry_count = -1;
1369 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1370 } else {
1371 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1372 rrq->value)) {
1373 printk(KERN_DEBUG "%s: Alternate retry count "
1374 "setting to %d failed\n",
1375 dev->name, rrq->value);
1376 return -EOPNOTSUPP;
1377 }
1378
1379 local->manual_retry_count = rrq->value;
1380 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1381 }
1382 return 0;
1383 }
1384
1385 return -EOPNOTSUPP;
1386
1387 #if 0
1388 /* what could be done, if firmware would support this.. */
1389
1390 if (rrq->flags & IW_RETRY_LIMIT) {
1391 if (rrq->flags & IW_RETRY_LONG)
1392 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1393 else if (rrq->flags & IW_RETRY_SHORT)
1394 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1395 else {
1396 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1397 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1398 }
1399
1400 }
1401
1402 if (rrq->flags & IW_RETRY_LIFETIME) {
1403 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1404 }
1405
1406 return 0;
1407 #endif /* 0 */
1408 }
1409
1410 static int prism2_ioctl_giwretry(struct net_device *dev,
1411 struct iw_request_info *info,
1412 struct iw_param *rrq, char *extra)
1413 {
1414 struct hostap_interface *iface;
1415 local_info_t *local;
1416 __le16 shortretry, longretry, lifetime, altretry;
1417
1418 iface = netdev_priv(dev);
1419 local = iface->local;
1420
1421 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1422 2, 1) < 0 ||
1423 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1424 2, 1) < 0 ||
1425 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1426 &lifetime, 2, 1) < 0)
1427 return -EINVAL;
1428
1429 rrq->disabled = 0;
1430
1431 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1432 rrq->flags = IW_RETRY_LIFETIME;
1433 rrq->value = le16_to_cpu(lifetime) * 1024;
1434 } else {
1435 if (local->manual_retry_count >= 0) {
1436 rrq->flags = IW_RETRY_LIMIT;
1437 if (local->func->get_rid(dev,
1438 HFA384X_RID_CNFALTRETRYCOUNT,
1439 &altretry, 2, 1) >= 0)
1440 rrq->value = le16_to_cpu(altretry);
1441 else
1442 rrq->value = local->manual_retry_count;
1443 } else if ((rrq->flags & IW_RETRY_LONG)) {
1444 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1445 rrq->value = le16_to_cpu(longretry);
1446 } else {
1447 rrq->flags = IW_RETRY_LIMIT;
1448 rrq->value = le16_to_cpu(shortretry);
1449 if (shortretry != longretry)
1450 rrq->flags |= IW_RETRY_SHORT;
1451 }
1452 }
1453 return 0;
1454 }
1455
1456
1457 /* Note! This TX power controlling is experimental and should not be used in
1458 * production use. It just sets raw power register and does not use any kind of
1459 * feedback information from the measured TX power (CR58). This is now
1460 * commented out to make sure that it is not used by accident. TX power
1461 * configuration will be enabled again after proper algorithm using feedback
1462 * has been implemented. */
1463
1464 #ifdef RAW_TXPOWER_SETTING
1465 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1466 * This version assumes following mapping:
1467 * CR31 is 7-bit value with -64 to +63 range.
1468 * -64 is mapped into +20dBm and +63 into -43dBm.
1469 * This is certainly not an exact mapping for every card, but at least
1470 * increasing dBm value should correspond to increasing TX power.
1471 */
1472
1473 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1474 {
1475 signed char tmp;
1476
1477 if (val > 255)
1478 val = 255;
1479
1480 tmp = val;
1481
1482 return tmp;
1483 }
1484
1485 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1486 {
1487 signed char tmp;
1488
1489 if (val > 127)
1490 return 127;
1491 else if (val < -128)
1492 return 128;
1493
1494 tmp = val;
1495
1496 return (unsigned char) tmp;
1497 }
1498 #endif /* RAW_TXPOWER_SETTING */
1499
1500
1501 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1502 struct iw_request_info *info,
1503 struct iw_param *rrq, char *extra)
1504 {
1505 struct hostap_interface *iface;
1506 local_info_t *local;
1507 #ifdef RAW_TXPOWER_SETTING
1508 char *tmp;
1509 #endif
1510 u16 val;
1511 int ret = 0;
1512
1513 iface = netdev_priv(dev);
1514 local = iface->local;
1515
1516 if (rrq->disabled) {
1517 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1518 val = 0xff; /* use all standby and sleep modes */
1519 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1520 HFA386X_CR_A_D_TEST_MODES2,
1521 &val, NULL);
1522 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1523 dev->name, ret ? "failed" : "OK");
1524 local->txpower_type = PRISM2_TXPOWER_OFF;
1525 }
1526 return (ret ? -EOPNOTSUPP : 0);
1527 }
1528
1529 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1530 val = 0; /* disable all standby and sleep modes */
1531 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1532 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1533 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1534 dev->name, ret ? "failed" : "OK");
1535 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1536 }
1537
1538 #ifdef RAW_TXPOWER_SETTING
1539 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1540 printk(KERN_DEBUG "Setting ALC on\n");
1541 val = HFA384X_TEST_CFG_BIT_ALC;
1542 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1543 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1544 local->txpower_type = PRISM2_TXPOWER_AUTO;
1545 return 0;
1546 }
1547
1548 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1549 printk(KERN_DEBUG "Setting ALC off\n");
1550 val = HFA384X_TEST_CFG_BIT_ALC;
1551 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1552 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1553 local->txpower_type = PRISM2_TXPOWER_FIXED;
1554 }
1555
1556 if (rrq->flags == IW_TXPOW_DBM)
1557 tmp = "dBm";
1558 else if (rrq->flags == IW_TXPOW_MWATT)
1559 tmp = "mW";
1560 else
1561 tmp = "UNKNOWN";
1562 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1563
1564 if (rrq->flags != IW_TXPOW_DBM) {
1565 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1566 return -EOPNOTSUPP;
1567 }
1568
1569 local->txpower = rrq->value;
1570 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1571 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1572 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1573 ret = -EOPNOTSUPP;
1574 #else /* RAW_TXPOWER_SETTING */
1575 if (rrq->fixed)
1576 ret = -EOPNOTSUPP;
1577 #endif /* RAW_TXPOWER_SETTING */
1578
1579 return ret;
1580 }
1581
1582 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1583 struct iw_request_info *info,
1584 struct iw_param *rrq, char *extra)
1585 {
1586 #ifdef RAW_TXPOWER_SETTING
1587 struct hostap_interface *iface;
1588 local_info_t *local;
1589 u16 resp0;
1590
1591 iface = netdev_priv(dev);
1592 local = iface->local;
1593
1594 rrq->flags = IW_TXPOW_DBM;
1595 rrq->disabled = 0;
1596 rrq->fixed = 0;
1597
1598 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1599 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1600 HFA386X_CR_MANUAL_TX_POWER,
1601 NULL, &resp0) == 0) {
1602 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1603 } else {
1604 /* Could not get real txpower; guess 15 dBm */
1605 rrq->value = 15;
1606 }
1607 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1608 rrq->value = 0;
1609 rrq->disabled = 1;
1610 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1611 rrq->value = local->txpower;
1612 rrq->fixed = 1;
1613 } else {
1614 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1615 local->txpower_type);
1616 }
1617 return 0;
1618 #else /* RAW_TXPOWER_SETTING */
1619 return -EOPNOTSUPP;
1620 #endif /* RAW_TXPOWER_SETTING */
1621 }
1622
1623
1624 #ifndef PRISM2_NO_STATION_MODES
1625
1626 /* HostScan request works with and without host_roaming mode. In addition, it
1627 * does not break current association. However, it requires newer station
1628 * firmware version (>= 1.3.1) than scan request. */
1629 static int prism2_request_hostscan(struct net_device *dev,
1630 u8 *ssid, u8 ssid_len)
1631 {
1632 struct hostap_interface *iface;
1633 local_info_t *local;
1634 struct hfa384x_hostscan_request scan_req;
1635
1636 iface = netdev_priv(dev);
1637 local = iface->local;
1638
1639 memset(&scan_req, 0, sizeof(scan_req));
1640 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1641 local->scan_channel_mask);
1642 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1643 if (ssid) {
1644 if (ssid_len > 32)
1645 return -EINVAL;
1646 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1647 memcpy(scan_req.target_ssid, ssid, ssid_len);
1648 }
1649
1650 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1651 sizeof(scan_req))) {
1652 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1653 return -EINVAL;
1654 }
1655 return 0;
1656 }
1657
1658
1659 static int prism2_request_scan(struct net_device *dev)
1660 {
1661 struct hostap_interface *iface;
1662 local_info_t *local;
1663 struct hfa384x_scan_request scan_req;
1664 int ret = 0;
1665
1666 iface = netdev_priv(dev);
1667 local = iface->local;
1668
1669 memset(&scan_req, 0, sizeof(scan_req));
1670 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1671 local->scan_channel_mask);
1672 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1673
1674 /* FIX:
1675 * It seems to be enough to set roaming mode for a short moment to
1676 * host-based and then setup scanrequest data and return the mode to
1677 * firmware-based.
1678 *
1679 * Master mode would need to drop to Managed mode for a short while
1680 * to make scanning work.. Or sweep through the different channels and
1681 * use passive scan based on beacons. */
1682
1683 if (!local->host_roaming)
1684 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1685 HFA384X_ROAMING_HOST);
1686
1687 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1688 sizeof(scan_req))) {
1689 printk(KERN_DEBUG "SCANREQUEST failed\n");
1690 ret = -EINVAL;
1691 }
1692
1693 if (!local->host_roaming)
1694 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1695 HFA384X_ROAMING_FIRMWARE);
1696
1697 return ret;
1698 }
1699
1700 #else /* !PRISM2_NO_STATION_MODES */
1701
1702 static inline int prism2_request_hostscan(struct net_device *dev,
1703 u8 *ssid, u8 ssid_len)
1704 {
1705 return -EOPNOTSUPP;
1706 }
1707
1708
1709 static inline int prism2_request_scan(struct net_device *dev)
1710 {
1711 return -EOPNOTSUPP;
1712 }
1713
1714 #endif /* !PRISM2_NO_STATION_MODES */
1715
1716
1717 static int prism2_ioctl_siwscan(struct net_device *dev,
1718 struct iw_request_info *info,
1719 struct iw_point *data, char *extra)
1720 {
1721 struct hostap_interface *iface;
1722 local_info_t *local;
1723 int ret;
1724 u8 *ssid = NULL, ssid_len = 0;
1725 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1726
1727 iface = netdev_priv(dev);
1728 local = iface->local;
1729
1730 if (data->length < sizeof(struct iw_scan_req))
1731 req = NULL;
1732
1733 if (local->iw_mode == IW_MODE_MASTER) {
1734 /* In master mode, we just return the results of our local
1735 * tables, so we don't need to start anything...
1736 * Jean II */
1737 data->length = 0;
1738 return 0;
1739 }
1740
1741 if (!local->dev_enabled)
1742 return -ENETDOWN;
1743
1744 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1745 ssid = req->essid;
1746 ssid_len = req->essid_len;
1747
1748 if (ssid_len &&
1749 ((local->iw_mode != IW_MODE_INFRA &&
1750 local->iw_mode != IW_MODE_ADHOC) ||
1751 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1752 return -EOPNOTSUPP;
1753 }
1754
1755 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1756 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1757 else
1758 ret = prism2_request_scan(dev);
1759
1760 if (ret == 0)
1761 local->scan_timestamp = jiffies;
1762
1763 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1764
1765 return ret;
1766 }
1767
1768
1769 #ifndef PRISM2_NO_STATION_MODES
1770 static char * __prism2_translate_scan(local_info_t *local,
1771 struct iw_request_info *info,
1772 struct hfa384x_hostscan_result *scan,
1773 struct hostap_bss_info *bss,
1774 char *current_ev, char *end_buf)
1775 {
1776 int i, chan;
1777 struct iw_event iwe;
1778 char *current_val;
1779 u16 capabilities;
1780 u8 *pos;
1781 u8 *ssid, *bssid;
1782 size_t ssid_len;
1783 char *buf;
1784
1785 if (bss) {
1786 ssid = bss->ssid;
1787 ssid_len = bss->ssid_len;
1788 bssid = bss->bssid;
1789 } else {
1790 ssid = scan->ssid;
1791 ssid_len = le16_to_cpu(scan->ssid_len);
1792 bssid = scan->bssid;
1793 }
1794 if (ssid_len > 32)
1795 ssid_len = 32;
1796
1797 /* First entry *MUST* be the AP MAC address */
1798 memset(&iwe, 0, sizeof(iwe));
1799 iwe.cmd = SIOCGIWAP;
1800 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1801 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1802 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1803 IW_EV_ADDR_LEN);
1804
1805 /* Other entries will be displayed in the order we give them */
1806
1807 memset(&iwe, 0, sizeof(iwe));
1808 iwe.cmd = SIOCGIWESSID;
1809 iwe.u.data.length = ssid_len;
1810 iwe.u.data.flags = 1;
1811 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1812 &iwe, ssid);
1813
1814 memset(&iwe, 0, sizeof(iwe));
1815 iwe.cmd = SIOCGIWMODE;
1816 if (bss) {
1817 capabilities = bss->capab_info;
1818 } else {
1819 capabilities = le16_to_cpu(scan->capability);
1820 }
1821 if (capabilities & (WLAN_CAPABILITY_ESS |
1822 WLAN_CAPABILITY_IBSS)) {
1823 if (capabilities & WLAN_CAPABILITY_ESS)
1824 iwe.u.mode = IW_MODE_MASTER;
1825 else
1826 iwe.u.mode = IW_MODE_ADHOC;
1827 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1828 &iwe, IW_EV_UINT_LEN);
1829 }
1830
1831 memset(&iwe, 0, sizeof(iwe));
1832 iwe.cmd = SIOCGIWFREQ;
1833 if (scan) {
1834 chan = le16_to_cpu(scan->chid);
1835 } else if (bss) {
1836 chan = bss->chan;
1837 } else {
1838 chan = 0;
1839 }
1840
1841 if (chan > 0) {
1842 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1843 iwe.u.freq.e = 1;
1844 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1845 &iwe, IW_EV_FREQ_LEN);
1846 }
1847
1848 if (scan) {
1849 memset(&iwe, 0, sizeof(iwe));
1850 iwe.cmd = IWEVQUAL;
1851 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1852 iwe.u.qual.level = le16_to_cpu(scan->sl);
1853 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1854 } else {
1855 iwe.u.qual.level =
1856 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1857 iwe.u.qual.noise =
1858 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1859 }
1860 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1861 | IW_QUAL_NOISE_UPDATED
1862 | IW_QUAL_QUAL_INVALID
1863 | IW_QUAL_DBM;
1864 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1865 &iwe, IW_EV_QUAL_LEN);
1866 }
1867
1868 memset(&iwe, 0, sizeof(iwe));
1869 iwe.cmd = SIOCGIWENCODE;
1870 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1871 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1872 else
1873 iwe.u.data.flags = IW_ENCODE_DISABLED;
1874 iwe.u.data.length = 0;
1875 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1876
1877 /* TODO: add SuppRates into BSS table */
1878 if (scan) {
1879 memset(&iwe, 0, sizeof(iwe));
1880 iwe.cmd = SIOCGIWRATE;
1881 current_val = current_ev + iwe_stream_lcp_len(info);
1882 pos = scan->sup_rates;
1883 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1884 if (pos[i] == 0)
1885 break;
1886 /* Bit rate given in 500 kb/s units (+ 0x80) */
1887 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1888 current_val = iwe_stream_add_value(
1889 info, current_ev, current_val, end_buf, &iwe,
1890 IW_EV_PARAM_LEN);
1891 }
1892 /* Check if we added any event */
1893 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1894 current_ev = current_val;
1895 }
1896
1897 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1898 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1899 if (buf && scan) {
1900 memset(&iwe, 0, sizeof(iwe));
1901 iwe.cmd = IWEVCUSTOM;
1902 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1903 iwe.u.data.length = strlen(buf);
1904 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1905 &iwe, buf);
1906
1907 memset(&iwe, 0, sizeof(iwe));
1908 iwe.cmd = IWEVCUSTOM;
1909 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1910 iwe.u.data.length = strlen(buf);
1911 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1912 &iwe, buf);
1913
1914 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1915 (capabilities & WLAN_CAPABILITY_IBSS)) {
1916 memset(&iwe, 0, sizeof(iwe));
1917 iwe.cmd = IWEVCUSTOM;
1918 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1919 iwe.u.data.length = strlen(buf);
1920 current_ev = iwe_stream_add_point(info, current_ev,
1921 end_buf, &iwe, buf);
1922 }
1923 }
1924 kfree(buf);
1925
1926 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1927 memset(&iwe, 0, sizeof(iwe));
1928 iwe.cmd = IWEVGENIE;
1929 iwe.u.data.length = bss->wpa_ie_len;
1930 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1931 &iwe, bss->wpa_ie);
1932 }
1933
1934 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1935 memset(&iwe, 0, sizeof(iwe));
1936 iwe.cmd = IWEVGENIE;
1937 iwe.u.data.length = bss->rsn_ie_len;
1938 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1939 &iwe, bss->rsn_ie);
1940 }
1941
1942 return current_ev;
1943 }
1944
1945
1946 /* Translate scan data returned from the card to a card independent
1947 * format that the Wireless Tools will understand - Jean II */
1948 static inline int prism2_translate_scan(local_info_t *local,
1949 struct iw_request_info *info,
1950 char *buffer, int buflen)
1951 {
1952 struct hfa384x_hostscan_result *scan;
1953 int entry, hostscan;
1954 char *current_ev = buffer;
1955 char *end_buf = buffer + buflen;
1956 struct list_head *ptr;
1957
1958 spin_lock_bh(&local->lock);
1959
1960 list_for_each(ptr, &local->bss_list) {
1961 struct hostap_bss_info *bss;
1962 bss = list_entry(ptr, struct hostap_bss_info, list);
1963 bss->included = 0;
1964 }
1965
1966 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1967 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1968 int found = 0;
1969 scan = &local->last_scan_results[entry];
1970
1971 /* Report every SSID if the AP is using multiple SSIDs. If no
1972 * BSS record is found (e.g., when WPA mode is disabled),
1973 * report the AP once. */
1974 list_for_each(ptr, &local->bss_list) {
1975 struct hostap_bss_info *bss;
1976 bss = list_entry(ptr, struct hostap_bss_info, list);
1977 if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
1978 bss->included = 1;
1979 current_ev = __prism2_translate_scan(
1980 local, info, scan, bss, current_ev,
1981 end_buf);
1982 found++;
1983 }
1984 }
1985 if (!found) {
1986 current_ev = __prism2_translate_scan(
1987 local, info, scan, NULL, current_ev, end_buf);
1988 }
1989 /* Check if there is space for one more entry */
1990 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1991 /* Ask user space to try again with a bigger buffer */
1992 spin_unlock_bh(&local->lock);
1993 return -E2BIG;
1994 }
1995 }
1996
1997 /* Prism2 firmware has limits (32 at least in some versions) for number
1998 * of BSSes in scan results. Extend this limit by using local BSS list.
1999 */
2000 list_for_each(ptr, &local->bss_list) {
2001 struct hostap_bss_info *bss;
2002 bss = list_entry(ptr, struct hostap_bss_info, list);
2003 if (bss->included)
2004 continue;
2005 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2006 current_ev, end_buf);
2007 /* Check if there is space for one more entry */
2008 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2009 /* Ask user space to try again with a bigger buffer */
2010 spin_unlock_bh(&local->lock);
2011 return -E2BIG;
2012 }
2013 }
2014
2015 spin_unlock_bh(&local->lock);
2016
2017 return current_ev - buffer;
2018 }
2019 #endif /* PRISM2_NO_STATION_MODES */
2020
2021
2022 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2023 struct iw_request_info *info,
2024 struct iw_point *data, char *extra)
2025 {
2026 #ifdef PRISM2_NO_STATION_MODES
2027 return -EOPNOTSUPP;
2028 #else /* PRISM2_NO_STATION_MODES */
2029 struct hostap_interface *iface;
2030 local_info_t *local;
2031 int res;
2032
2033 iface = netdev_priv(dev);
2034 local = iface->local;
2035
2036 /* Wait until the scan is finished. We can probably do better
2037 * than that - Jean II */
2038 if (local->scan_timestamp &&
2039 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2040 /* Important note : we don't want to block the caller
2041 * until results are ready for various reasons.
2042 * First, managing wait queues is complex and racy
2043 * (there may be multiple simultaneous callers).
2044 * Second, we grab some rtnetlink lock before coming
2045 * here (in dev_ioctl()).
2046 * Third, the caller can wait on the Wireless Event
2047 * - Jean II */
2048 return -EAGAIN;
2049 }
2050 local->scan_timestamp = 0;
2051
2052 res = prism2_translate_scan(local, info, extra, data->length);
2053
2054 if (res >= 0) {
2055 data->length = res;
2056 return 0;
2057 } else {
2058 data->length = 0;
2059 return res;
2060 }
2061 #endif /* PRISM2_NO_STATION_MODES */
2062 }
2063
2064
2065 static int prism2_ioctl_giwscan(struct net_device *dev,
2066 struct iw_request_info *info,
2067 struct iw_point *data, char *extra)
2068 {
2069 struct hostap_interface *iface;
2070 local_info_t *local;
2071 int res;
2072
2073 iface = netdev_priv(dev);
2074 local = iface->local;
2075
2076 if (local->iw_mode == IW_MODE_MASTER) {
2077 /* In MASTER mode, it doesn't make sense to go around
2078 * scanning the frequencies and make the stations we serve
2079 * wait when what the user is really interested about is the
2080 * list of stations and access points we are talking to.
2081 * So, just extract results from our cache...
2082 * Jean II */
2083
2084 /* Translate to WE format */
2085 res = prism2_ap_translate_scan(dev, info, extra);
2086 if (res >= 0) {
2087 printk(KERN_DEBUG "Scan result translation succeeded "
2088 "(length=%d)\n", res);
2089 data->length = res;
2090 return 0;
2091 } else {
2092 printk(KERN_DEBUG
2093 "Scan result translation failed (res=%d)\n",
2094 res);
2095 data->length = 0;
2096 return res;
2097 }
2098 } else {
2099 /* Station mode */
2100 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2101 }
2102 }
2103
2104
2105 static const struct iw_priv_args prism2_priv[] = {
2106 { PRISM2_IOCTL_MONITOR,
2107 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2108 { PRISM2_IOCTL_READMIF,
2109 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2110 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2111 { PRISM2_IOCTL_WRITEMIF,
2112 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2113 { PRISM2_IOCTL_RESET,
2114 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2115 { PRISM2_IOCTL_INQUIRE,
2116 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2117 { PRISM2_IOCTL_SET_RID_WORD,
2118 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2119 { PRISM2_IOCTL_MACCMD,
2120 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2121 { PRISM2_IOCTL_WDS_ADD,
2122 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2123 { PRISM2_IOCTL_WDS_DEL,
2124 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2125 { PRISM2_IOCTL_ADDMAC,
2126 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2127 { PRISM2_IOCTL_DELMAC,
2128 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2129 { PRISM2_IOCTL_KICKMAC,
2130 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2131 /* --- raw access to sub-ioctls --- */
2132 { PRISM2_IOCTL_PRISM2_PARAM,
2133 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2134 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2135 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2136 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2137 /* --- sub-ioctls handlers --- */
2138 { PRISM2_IOCTL_PRISM2_PARAM,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2140 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2141 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2142 /* --- sub-ioctls definitions --- */
2143 { PRISM2_PARAM_TXRATECTRL,
2144 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2145 { PRISM2_PARAM_TXRATECTRL,
2146 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2147 { PRISM2_PARAM_BEACON_INT,
2148 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2149 { PRISM2_PARAM_BEACON_INT,
2150 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2151 #ifndef PRISM2_NO_STATION_MODES
2152 { PRISM2_PARAM_PSEUDO_IBSS,
2153 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2154 { PRISM2_PARAM_PSEUDO_IBSS,
2155 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2156 #endif /* PRISM2_NO_STATION_MODES */
2157 { PRISM2_PARAM_ALC,
2158 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2159 { PRISM2_PARAM_ALC,
2160 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2161 { PRISM2_PARAM_DUMP,
2162 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2163 { PRISM2_PARAM_DUMP,
2164 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2165 { PRISM2_PARAM_OTHER_AP_POLICY,
2166 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2167 { PRISM2_PARAM_OTHER_AP_POLICY,
2168 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2169 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2170 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2171 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2172 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2173 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2174 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2175 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2176 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2177 { PRISM2_PARAM_DTIM_PERIOD,
2178 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2179 { PRISM2_PARAM_DTIM_PERIOD,
2180 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2181 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2182 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2183 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2184 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2185 { PRISM2_PARAM_MAX_WDS,
2186 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2187 { PRISM2_PARAM_MAX_WDS,
2188 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2189 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2190 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2191 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2192 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2193 { PRISM2_PARAM_AP_AUTH_ALGS,
2194 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2195 { PRISM2_PARAM_AP_AUTH_ALGS,
2196 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2197 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2198 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2199 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2200 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2201 { PRISM2_PARAM_HOST_ENCRYPT,
2202 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2203 { PRISM2_PARAM_HOST_ENCRYPT,
2204 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2205 { PRISM2_PARAM_HOST_DECRYPT,
2206 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2207 { PRISM2_PARAM_HOST_DECRYPT,
2208 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2209 #ifndef PRISM2_NO_STATION_MODES
2210 { PRISM2_PARAM_HOST_ROAMING,
2211 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2212 { PRISM2_PARAM_HOST_ROAMING,
2213 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2214 #endif /* PRISM2_NO_STATION_MODES */
2215 { PRISM2_PARAM_BCRX_STA_KEY,
2216 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2217 { PRISM2_PARAM_BCRX_STA_KEY,
2218 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2219 { PRISM2_PARAM_IEEE_802_1X,
2220 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2221 { PRISM2_PARAM_IEEE_802_1X,
2222 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2223 { PRISM2_PARAM_ANTSEL_TX,
2224 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2225 { PRISM2_PARAM_ANTSEL_TX,
2226 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2227 { PRISM2_PARAM_ANTSEL_RX,
2228 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2229 { PRISM2_PARAM_ANTSEL_RX,
2230 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2231 { PRISM2_PARAM_MONITOR_TYPE,
2232 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2233 { PRISM2_PARAM_MONITOR_TYPE,
2234 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2235 { PRISM2_PARAM_WDS_TYPE,
2236 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2237 { PRISM2_PARAM_WDS_TYPE,
2238 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2239 { PRISM2_PARAM_HOSTSCAN,
2240 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2241 { PRISM2_PARAM_HOSTSCAN,
2242 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2243 { PRISM2_PARAM_AP_SCAN,
2244 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2245 { PRISM2_PARAM_AP_SCAN,
2246 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2247 { PRISM2_PARAM_ENH_SEC,
2248 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2249 { PRISM2_PARAM_ENH_SEC,
2250 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2251 #ifdef PRISM2_IO_DEBUG
2252 { PRISM2_PARAM_IO_DEBUG,
2253 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2254 { PRISM2_PARAM_IO_DEBUG,
2255 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2256 #endif /* PRISM2_IO_DEBUG */
2257 { PRISM2_PARAM_BASIC_RATES,
2258 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2259 { PRISM2_PARAM_BASIC_RATES,
2260 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2261 { PRISM2_PARAM_OPER_RATES,
2262 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2263 { PRISM2_PARAM_OPER_RATES,
2264 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2265 { PRISM2_PARAM_HOSTAPD,
2266 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2267 { PRISM2_PARAM_HOSTAPD,
2268 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2269 { PRISM2_PARAM_HOSTAPD_STA,
2270 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2271 { PRISM2_PARAM_HOSTAPD_STA,
2272 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2273 { PRISM2_PARAM_WPA,
2274 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2275 { PRISM2_PARAM_WPA,
2276 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2277 { PRISM2_PARAM_PRIVACY_INVOKED,
2278 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2279 { PRISM2_PARAM_PRIVACY_INVOKED,
2280 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2281 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2282 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2283 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2284 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2285 { PRISM2_PARAM_DROP_UNENCRYPTED,
2286 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2287 { PRISM2_PARAM_DROP_UNENCRYPTED,
2288 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2289 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2290 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2291 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2292 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2293 };
2294
2295
2296 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2297 {
2298 struct hostap_interface *iface;
2299 local_info_t *local;
2300
2301 iface = netdev_priv(dev);
2302 local = iface->local;
2303
2304 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2305 return -EOPNOTSUPP;
2306
2307 return 0;
2308 }
2309
2310
2311 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2312 struct iw_request_info *info,
2313 void *wrqu, char *extra)
2314 {
2315 struct hostap_interface *iface;
2316 local_info_t *local;
2317 int *i = (int *) extra;
2318 int param = *i;
2319 int value = *(i + 1);
2320 int ret = 0;
2321 u16 val;
2322
2323 iface = netdev_priv(dev);
2324 local = iface->local;
2325
2326 switch (param) {
2327 case PRISM2_PARAM_TXRATECTRL:
2328 local->fw_tx_rate_control = value;
2329 break;
2330
2331 case PRISM2_PARAM_BEACON_INT:
2332 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2333 local->func->reset_port(dev))
2334 ret = -EINVAL;
2335 else
2336 local->beacon_int = value;
2337 break;
2338
2339 #ifndef PRISM2_NO_STATION_MODES
2340 case PRISM2_PARAM_PSEUDO_IBSS:
2341 if (value == local->pseudo_adhoc)
2342 break;
2343
2344 if (value != 0 && value != 1) {
2345 ret = -EINVAL;
2346 break;
2347 }
2348
2349 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2350 dev->name, local->pseudo_adhoc, value);
2351 local->pseudo_adhoc = value;
2352 if (local->iw_mode != IW_MODE_ADHOC)
2353 break;
2354
2355 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2356 hostap_get_porttype(local))) {
2357 ret = -EOPNOTSUPP;
2358 break;
2359 }
2360
2361 if (local->func->reset_port(dev))
2362 ret = -EINVAL;
2363 break;
2364 #endif /* PRISM2_NO_STATION_MODES */
2365
2366 case PRISM2_PARAM_ALC:
2367 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2368 value == 0 ? "Disabling" : "Enabling");
2369 val = HFA384X_TEST_CFG_BIT_ALC;
2370 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2371 (HFA384X_TEST_CFG_BITS << 8),
2372 value == 0 ? 0 : 1, &val, NULL);
2373 break;
2374
2375 case PRISM2_PARAM_DUMP:
2376 local->frame_dump = value;
2377 break;
2378
2379 case PRISM2_PARAM_OTHER_AP_POLICY:
2380 if (value < 0 || value > 3) {
2381 ret = -EINVAL;
2382 break;
2383 }
2384 if (local->ap != NULL)
2385 local->ap->ap_policy = value;
2386 break;
2387
2388 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2389 if (value < 0 || value > 7 * 24 * 60 * 60) {
2390 ret = -EINVAL;
2391 break;
2392 }
2393 if (local->ap != NULL)
2394 local->ap->max_inactivity = value * HZ;
2395 break;
2396
2397 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2398 if (local->ap != NULL)
2399 local->ap->bridge_packets = value;
2400 break;
2401
2402 case PRISM2_PARAM_DTIM_PERIOD:
2403 if (value < 0 || value > 65535) {
2404 ret = -EINVAL;
2405 break;
2406 }
2407 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2408 || local->func->reset_port(dev))
2409 ret = -EINVAL;
2410 else
2411 local->dtim_period = value;
2412 break;
2413
2414 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2415 if (local->ap != NULL)
2416 local->ap->nullfunc_ack = value;
2417 break;
2418
2419 case PRISM2_PARAM_MAX_WDS:
2420 local->wds_max_connections = value;
2421 break;
2422
2423 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2424 if (local->ap != NULL) {
2425 if (!local->ap->autom_ap_wds && value) {
2426 /* add WDS link to all APs in STA table */
2427 hostap_add_wds_links(local);
2428 }
2429 local->ap->autom_ap_wds = value;
2430 }
2431 break;
2432
2433 case PRISM2_PARAM_AP_AUTH_ALGS:
2434 local->auth_algs = value;
2435 if (hostap_set_auth_algs(local))
2436 ret = -EINVAL;
2437 break;
2438
2439 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2440 local->monitor_allow_fcserr = value;
2441 break;
2442
2443 case PRISM2_PARAM_HOST_ENCRYPT:
2444 local->host_encrypt = value;
2445 if (hostap_set_encryption(local) ||
2446 local->func->reset_port(dev))
2447 ret = -EINVAL;
2448 break;
2449
2450 case PRISM2_PARAM_HOST_DECRYPT:
2451 local->host_decrypt = value;
2452 if (hostap_set_encryption(local) ||
2453 local->func->reset_port(dev))
2454 ret = -EINVAL;
2455 break;
2456
2457 #ifndef PRISM2_NO_STATION_MODES
2458 case PRISM2_PARAM_HOST_ROAMING:
2459 if (value < 0 || value > 2) {
2460 ret = -EINVAL;
2461 break;
2462 }
2463 local->host_roaming = value;
2464 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2465 ret = -EINVAL;
2466 break;
2467 #endif /* PRISM2_NO_STATION_MODES */
2468
2469 case PRISM2_PARAM_BCRX_STA_KEY:
2470 local->bcrx_sta_key = value;
2471 break;
2472
2473 case PRISM2_PARAM_IEEE_802_1X:
2474 local->ieee_802_1x = value;
2475 break;
2476
2477 case PRISM2_PARAM_ANTSEL_TX:
2478 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2479 ret = -EINVAL;
2480 break;
2481 }
2482 local->antsel_tx = value;
2483 hostap_set_antsel(local);
2484 break;
2485
2486 case PRISM2_PARAM_ANTSEL_RX:
2487 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2488 ret = -EINVAL;
2489 break;
2490 }
2491 local->antsel_rx = value;
2492 hostap_set_antsel(local);
2493 break;
2494
2495 case PRISM2_PARAM_MONITOR_TYPE:
2496 if (value != PRISM2_MONITOR_80211 &&
2497 value != PRISM2_MONITOR_CAPHDR &&
2498 value != PRISM2_MONITOR_PRISM &&
2499 value != PRISM2_MONITOR_RADIOTAP) {
2500 ret = -EINVAL;
2501 break;
2502 }
2503 local->monitor_type = value;
2504 if (local->iw_mode == IW_MODE_MONITOR)
2505 hostap_monitor_set_type(local);
2506 break;
2507
2508 case PRISM2_PARAM_WDS_TYPE:
2509 local->wds_type = value;
2510 break;
2511
2512 case PRISM2_PARAM_HOSTSCAN:
2513 {
2514 struct hfa384x_hostscan_request scan_req;
2515 u16 rate;
2516
2517 memset(&scan_req, 0, sizeof(scan_req));
2518 scan_req.channel_list = cpu_to_le16(0x3fff);
2519 switch (value) {
2520 case 1: rate = HFA384X_RATES_1MBPS; break;
2521 case 2: rate = HFA384X_RATES_2MBPS; break;
2522 case 3: rate = HFA384X_RATES_5MBPS; break;
2523 case 4: rate = HFA384X_RATES_11MBPS; break;
2524 default: rate = HFA384X_RATES_1MBPS; break;
2525 }
2526 scan_req.txrate = cpu_to_le16(rate);
2527 /* leave SSID empty to accept all SSIDs */
2528
2529 if (local->iw_mode == IW_MODE_MASTER) {
2530 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2531 HFA384X_PORTTYPE_BSS) ||
2532 local->func->reset_port(dev))
2533 printk(KERN_DEBUG "Leaving Host AP mode "
2534 "for HostScan failed\n");
2535 }
2536
2537 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2538 sizeof(scan_req))) {
2539 printk(KERN_DEBUG "HOSTSCAN failed\n");
2540 ret = -EINVAL;
2541 }
2542 if (local->iw_mode == IW_MODE_MASTER) {
2543 wait_queue_t __wait;
2544 init_waitqueue_entry(&__wait, current);
2545 add_wait_queue(&local->hostscan_wq, &__wait);
2546 set_current_state(TASK_INTERRUPTIBLE);
2547 schedule_timeout(HZ);
2548 if (signal_pending(current))
2549 ret = -EINTR;
2550 set_current_state(TASK_RUNNING);
2551 remove_wait_queue(&local->hostscan_wq, &__wait);
2552
2553 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2554 HFA384X_PORTTYPE_HOSTAP) ||
2555 local->func->reset_port(dev))
2556 printk(KERN_DEBUG "Returning to Host AP mode "
2557 "after HostScan failed\n");
2558 }
2559 break;
2560 }
2561
2562 case PRISM2_PARAM_AP_SCAN:
2563 local->passive_scan_interval = value;
2564 if (timer_pending(&local->passive_scan_timer))
2565 del_timer(&local->passive_scan_timer);
2566 if (value > 0) {
2567 local->passive_scan_timer.expires = jiffies +
2568 local->passive_scan_interval * HZ;
2569 add_timer(&local->passive_scan_timer);
2570 }
2571 break;
2572
2573 case PRISM2_PARAM_ENH_SEC:
2574 if (value < 0 || value > 3) {
2575 ret = -EINVAL;
2576 break;
2577 }
2578 local->enh_sec = value;
2579 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2580 local->enh_sec) ||
2581 local->func->reset_port(dev)) {
2582 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2583 "1.6.3 or newer\n", dev->name);
2584 ret = -EOPNOTSUPP;
2585 }
2586 break;
2587
2588 #ifdef PRISM2_IO_DEBUG
2589 case PRISM2_PARAM_IO_DEBUG:
2590 local->io_debug_enabled = value;
2591 break;
2592 #endif /* PRISM2_IO_DEBUG */
2593
2594 case PRISM2_PARAM_BASIC_RATES:
2595 if ((value & local->tx_rate_control) != value || value == 0) {
2596 printk(KERN_INFO "%s: invalid basic rate set - basic "
2597 "rates must be in supported rate set\n",
2598 dev->name);
2599 ret = -EINVAL;
2600 break;
2601 }
2602 local->basic_rates = value;
2603 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2604 local->basic_rates) ||
2605 local->func->reset_port(dev))
2606 ret = -EINVAL;
2607 break;
2608
2609 case PRISM2_PARAM_OPER_RATES:
2610 local->tx_rate_control = value;
2611 if (hostap_set_rate(dev))
2612 ret = -EINVAL;
2613 break;
2614
2615 case PRISM2_PARAM_HOSTAPD:
2616 ret = hostap_set_hostapd(local, value, 1);
2617 break;
2618
2619 case PRISM2_PARAM_HOSTAPD_STA:
2620 ret = hostap_set_hostapd_sta(local, value, 1);
2621 break;
2622
2623 case PRISM2_PARAM_WPA:
2624 local->wpa = value;
2625 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2626 ret = -EOPNOTSUPP;
2627 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2628 value ? 1 : 0))
2629 ret = -EINVAL;
2630 break;
2631
2632 case PRISM2_PARAM_PRIVACY_INVOKED:
2633 local->privacy_invoked = value;
2634 if (hostap_set_encryption(local) ||
2635 local->func->reset_port(dev))
2636 ret = -EINVAL;
2637 break;
2638
2639 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2640 local->tkip_countermeasures = value;
2641 break;
2642
2643 case PRISM2_PARAM_DROP_UNENCRYPTED:
2644 local->drop_unencrypted = value;
2645 break;
2646
2647 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2648 local->scan_channel_mask = value;
2649 break;
2650
2651 default:
2652 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2653 dev->name, param);
2654 ret = -EOPNOTSUPP;
2655 break;
2656 }
2657
2658 return ret;
2659 }
2660
2661
2662 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2663 struct iw_request_info *info,
2664 void *wrqu, char *extra)
2665 {
2666 struct hostap_interface *iface;
2667 local_info_t *local;
2668 int *param = (int *) extra;
2669 int ret = 0;
2670
2671 iface = netdev_priv(dev);
2672 local = iface->local;
2673
2674 switch (*param) {
2675 case PRISM2_PARAM_TXRATECTRL:
2676 *param = local->fw_tx_rate_control;
2677 break;
2678
2679 case PRISM2_PARAM_BEACON_INT:
2680 *param = local->beacon_int;
2681 break;
2682
2683 case PRISM2_PARAM_PSEUDO_IBSS:
2684 *param = local->pseudo_adhoc;
2685 break;
2686
2687 case PRISM2_PARAM_ALC:
2688 ret = -EOPNOTSUPP; /* FIX */
2689 break;
2690
2691 case PRISM2_PARAM_DUMP:
2692 *param = local->frame_dump;
2693 break;
2694
2695 case PRISM2_PARAM_OTHER_AP_POLICY:
2696 if (local->ap != NULL)
2697 *param = local->ap->ap_policy;
2698 else
2699 ret = -EOPNOTSUPP;
2700 break;
2701
2702 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2703 if (local->ap != NULL)
2704 *param = local->ap->max_inactivity / HZ;
2705 else
2706 ret = -EOPNOTSUPP;
2707 break;
2708
2709 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2710 if (local->ap != NULL)
2711 *param = local->ap->bridge_packets;
2712 else
2713 ret = -EOPNOTSUPP;
2714 break;
2715
2716 case PRISM2_PARAM_DTIM_PERIOD:
2717 *param = local->dtim_period;
2718 break;
2719
2720 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2721 if (local->ap != NULL)
2722 *param = local->ap->nullfunc_ack;
2723 else
2724 ret = -EOPNOTSUPP;
2725 break;
2726
2727 case PRISM2_PARAM_MAX_WDS:
2728 *param = local->wds_max_connections;
2729 break;
2730
2731 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2732 if (local->ap != NULL)
2733 *param = local->ap->autom_ap_wds;
2734 else
2735 ret = -EOPNOTSUPP;
2736 break;
2737
2738 case PRISM2_PARAM_AP_AUTH_ALGS:
2739 *param = local->auth_algs;
2740 break;
2741
2742 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2743 *param = local->monitor_allow_fcserr;
2744 break;
2745
2746 case PRISM2_PARAM_HOST_ENCRYPT:
2747 *param = local->host_encrypt;
2748 break;
2749
2750 case PRISM2_PARAM_HOST_DECRYPT:
2751 *param = local->host_decrypt;
2752 break;
2753
2754 case PRISM2_PARAM_HOST_ROAMING:
2755 *param = local->host_roaming;
2756 break;
2757
2758 case PRISM2_PARAM_BCRX_STA_KEY:
2759 *param = local->bcrx_sta_key;
2760 break;
2761
2762 case PRISM2_PARAM_IEEE_802_1X:
2763 *param = local->ieee_802_1x;
2764 break;
2765
2766 case PRISM2_PARAM_ANTSEL_TX:
2767 *param = local->antsel_tx;
2768 break;
2769
2770 case PRISM2_PARAM_ANTSEL_RX:
2771 *param = local->antsel_rx;
2772 break;
2773
2774 case PRISM2_PARAM_MONITOR_TYPE:
2775 *param = local->monitor_type;
2776 break;
2777
2778 case PRISM2_PARAM_WDS_TYPE:
2779 *param = local->wds_type;
2780 break;
2781
2782 case PRISM2_PARAM_HOSTSCAN:
2783 ret = -EOPNOTSUPP;
2784 break;
2785
2786 case PRISM2_PARAM_AP_SCAN:
2787 *param = local->passive_scan_interval;
2788 break;
2789
2790 case PRISM2_PARAM_ENH_SEC:
2791 *param = local->enh_sec;
2792 break;
2793
2794 #ifdef PRISM2_IO_DEBUG
2795 case PRISM2_PARAM_IO_DEBUG:
2796 *param = local->io_debug_enabled;
2797 break;
2798 #endif /* PRISM2_IO_DEBUG */
2799
2800 case PRISM2_PARAM_BASIC_RATES:
2801 *param = local->basic_rates;
2802 break;
2803
2804 case PRISM2_PARAM_OPER_RATES:
2805 *param = local->tx_rate_control;
2806 break;
2807
2808 case PRISM2_PARAM_HOSTAPD:
2809 *param = local->hostapd;
2810 break;
2811
2812 case PRISM2_PARAM_HOSTAPD_STA:
2813 *param = local->hostapd_sta;
2814 break;
2815
2816 case PRISM2_PARAM_WPA:
2817 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2818 ret = -EOPNOTSUPP;
2819 *param = local->wpa;
2820 break;
2821
2822 case PRISM2_PARAM_PRIVACY_INVOKED:
2823 *param = local->privacy_invoked;
2824 break;
2825
2826 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2827 *param = local->tkip_countermeasures;
2828 break;
2829
2830 case PRISM2_PARAM_DROP_UNENCRYPTED:
2831 *param = local->drop_unencrypted;
2832 break;
2833
2834 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2835 *param = local->scan_channel_mask;
2836 break;
2837
2838 default:
2839 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2840 dev->name, *param);
2841 ret = -EOPNOTSUPP;
2842 break;
2843 }
2844
2845 return ret;
2846 }
2847
2848
2849 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2850 struct iw_request_info *info,
2851 void *wrqu, char *extra)
2852 {
2853 struct hostap_interface *iface;
2854 local_info_t *local;
2855 u16 resp0;
2856
2857 iface = netdev_priv(dev);
2858 local = iface->local;
2859
2860 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2861 &resp0))
2862 return -EOPNOTSUPP;
2863 else
2864 *extra = resp0;
2865
2866 return 0;
2867 }
2868
2869
2870 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2871 struct iw_request_info *info,
2872 void *wrqu, char *extra)
2873 {
2874 struct hostap_interface *iface;
2875 local_info_t *local;
2876 u16 cr, val;
2877
2878 iface = netdev_priv(dev);
2879 local = iface->local;
2880
2881 cr = *extra;
2882 val = *(extra + 1);
2883 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2884 return -EOPNOTSUPP;
2885
2886 return 0;
2887 }
2888
2889
2890 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2891 {
2892 struct hostap_interface *iface;
2893 local_info_t *local;
2894 int ret = 0;
2895 u32 mode;
2896
2897 iface = netdev_priv(dev);
2898 local = iface->local;
2899
2900 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2901 "- update software to use iwconfig mode monitor\n",
2902 dev->name, task_pid_nr(current), current->comm);
2903
2904 /* Backward compatibility code - this can be removed at some point */
2905
2906 if (*i == 0) {
2907 /* Disable monitor mode - old mode was not saved, so go to
2908 * Master mode */
2909 mode = IW_MODE_MASTER;
2910 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2911 } else if (*i == 1) {
2912 /* netlink socket mode is not supported anymore since it did
2913 * not separate different devices from each other and was not
2914 * best method for delivering large amount of packets to
2915 * user space */
2916 ret = -EOPNOTSUPP;
2917 } else if (*i == 2 || *i == 3) {
2918 switch (*i) {
2919 case 2:
2920 local->monitor_type = PRISM2_MONITOR_80211;
2921 break;
2922 case 3:
2923 local->monitor_type = PRISM2_MONITOR_PRISM;
2924 break;
2925 }
2926 mode = IW_MODE_MONITOR;
2927 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2928 hostap_monitor_mode_enable(local);
2929 } else
2930 ret = -EINVAL;
2931
2932 return ret;
2933 }
2934
2935
2936 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2937 {
2938 struct hostap_interface *iface;
2939 local_info_t *local;
2940
2941 iface = netdev_priv(dev);
2942 local = iface->local;
2943
2944 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2945 switch (*i) {
2946 case 0:
2947 /* Disable and enable card */
2948 local->func->hw_shutdown(dev, 1);
2949 local->func->hw_config(dev, 0);
2950 break;
2951
2952 case 1:
2953 /* COR sreset */
2954 local->func->hw_reset(dev);
2955 break;
2956
2957 case 2:
2958 /* Disable and enable port 0 */
2959 local->func->reset_port(dev);
2960 break;
2961
2962 case 3:
2963 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2964 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2965 NULL))
2966 return -EINVAL;
2967 break;
2968
2969 case 4:
2970 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2971 NULL))
2972 return -EINVAL;
2973 break;
2974
2975 default:
2976 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2977 return -EOPNOTSUPP;
2978 }
2979
2980 return 0;
2981 }
2982
2983
2984 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2985 {
2986 int rid = *i;
2987 int value = *(i + 1);
2988
2989 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2990
2991 if (hostap_set_word(dev, rid, value))
2992 return -EINVAL;
2993
2994 return 0;
2995 }
2996
2997
2998 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
2999 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3000 {
3001 int ret = 0;
3002
3003 switch (*cmd) {
3004 case AP_MAC_CMD_POLICY_OPEN:
3005 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3006 break;
3007 case AP_MAC_CMD_POLICY_ALLOW:
3008 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3009 break;
3010 case AP_MAC_CMD_POLICY_DENY:
3011 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3012 break;
3013 case AP_MAC_CMD_FLUSH:
3014 ap_control_flush_macs(&local->ap->mac_restrictions);
3015 break;
3016 case AP_MAC_CMD_KICKALL:
3017 ap_control_kickall(local->ap);
3018 hostap_deauth_all_stas(local->dev, local->ap, 0);
3019 break;
3020 default:
3021 ret = -EOPNOTSUPP;
3022 break;
3023 }
3024
3025 return ret;
3026 }
3027 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3028
3029
3030 #ifdef PRISM2_DOWNLOAD_SUPPORT
3031 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3032 {
3033 struct prism2_download_param *param;
3034 int ret = 0;
3035
3036 if (p->length < sizeof(struct prism2_download_param) ||
3037 p->length > 1024 || !p->pointer)
3038 return -EINVAL;
3039
3040 param = kmalloc(p->length, GFP_KERNEL);
3041 if (param == NULL)
3042 return -ENOMEM;
3043
3044 if (copy_from_user(param, p->pointer, p->length)) {
3045 ret = -EFAULT;
3046 goto out;
3047 }
3048
3049 if (p->length < sizeof(struct prism2_download_param) +
3050 param->num_areas * sizeof(struct prism2_download_area)) {
3051 ret = -EINVAL;
3052 goto out;
3053 }
3054
3055 ret = local->func->download(local, param);
3056
3057 out:
3058 kfree(param);
3059 return ret;
3060 }
3061 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3062
3063
3064 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3065 size_t len)
3066 {
3067 struct hostap_interface *iface = netdev_priv(dev);
3068 local_info_t *local = iface->local;
3069 u8 *buf;
3070
3071 /*
3072 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3073 * includes it.
3074 */
3075 buf = kmalloc(len + 2, GFP_KERNEL);
3076 if (buf == NULL)
3077 return -ENOMEM;
3078
3079 *((__le16 *) buf) = cpu_to_le16(len);
3080 memcpy(buf + 2, elem, len);
3081
3082 kfree(local->generic_elem);
3083 local->generic_elem = buf;
3084 local->generic_elem_len = len + 2;
3085
3086 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3087 buf, len + 2);
3088 }
3089
3090
3091 static int prism2_ioctl_siwauth(struct net_device *dev,
3092 struct iw_request_info *info,
3093 struct iw_param *data, char *extra)
3094 {
3095 struct hostap_interface *iface = netdev_priv(dev);
3096 local_info_t *local = iface->local;
3097
3098 switch (data->flags & IW_AUTH_INDEX) {
3099 case IW_AUTH_WPA_VERSION:
3100 case IW_AUTH_CIPHER_PAIRWISE:
3101 case IW_AUTH_CIPHER_GROUP:
3102 case IW_AUTH_KEY_MGMT:
3103 /*
3104 * Host AP driver does not use these parameters and allows
3105 * wpa_supplicant to control them internally.
3106 */
3107 break;
3108 case IW_AUTH_TKIP_COUNTERMEASURES:
3109 local->tkip_countermeasures = data->value;
3110 break;
3111 case IW_AUTH_DROP_UNENCRYPTED:
3112 local->drop_unencrypted = data->value;
3113 break;
3114 case IW_AUTH_80211_AUTH_ALG:
3115 local->auth_algs = data->value;
3116 break;
3117 case IW_AUTH_WPA_ENABLED:
3118 if (data->value == 0) {
3119 local->wpa = 0;
3120 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3121 break;
3122 prism2_set_genericelement(dev, "", 0);
3123 local->host_roaming = 0;
3124 local->privacy_invoked = 0;
3125 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3126 0) ||
3127 hostap_set_roaming(local) ||
3128 hostap_set_encryption(local) ||
3129 local->func->reset_port(dev))
3130 return -EINVAL;
3131 break;
3132 }
3133 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3134 return -EOPNOTSUPP;
3135 local->host_roaming = 2;
3136 local->privacy_invoked = 1;
3137 local->wpa = 1;
3138 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3139 hostap_set_roaming(local) ||
3140 hostap_set_encryption(local) ||
3141 local->func->reset_port(dev))
3142 return -EINVAL;
3143 break;
3144 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3145 local->ieee_802_1x = data->value;
3146 break;
3147 case IW_AUTH_PRIVACY_INVOKED:
3148 local->privacy_invoked = data->value;
3149 break;
3150 default:
3151 return -EOPNOTSUPP;
3152 }
3153 return 0;
3154 }
3155
3156
3157 static int prism2_ioctl_giwauth(struct net_device *dev,
3158 struct iw_request_info *info,
3159 struct iw_param *data, char *extra)
3160 {
3161 struct hostap_interface *iface = netdev_priv(dev);
3162 local_info_t *local = iface->local;
3163
3164 switch (data->flags & IW_AUTH_INDEX) {
3165 case IW_AUTH_WPA_VERSION:
3166 case IW_AUTH_CIPHER_PAIRWISE:
3167 case IW_AUTH_CIPHER_GROUP:
3168 case IW_AUTH_KEY_MGMT:
3169 /*
3170 * Host AP driver does not use these parameters and allows
3171 * wpa_supplicant to control them internally.
3172 */
3173 return -EOPNOTSUPP;
3174 case IW_AUTH_TKIP_COUNTERMEASURES:
3175 data->value = local->tkip_countermeasures;
3176 break;
3177 case IW_AUTH_DROP_UNENCRYPTED:
3178 data->value = local->drop_unencrypted;
3179 break;
3180 case IW_AUTH_80211_AUTH_ALG:
3181 data->value = local->auth_algs;
3182 break;
3183 case IW_AUTH_WPA_ENABLED:
3184 data->value = local->wpa;
3185 break;
3186 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3187 data->value = local->ieee_802_1x;
3188 break;
3189 default:
3190 return -EOPNOTSUPP;
3191 }
3192 return 0;
3193 }
3194
3195
3196 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3197 struct iw_request_info *info,
3198 struct iw_point *erq, char *extra)
3199 {
3200 struct hostap_interface *iface = netdev_priv(dev);
3201 local_info_t *local = iface->local;
3202 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3203 int i, ret = 0;
3204 struct lib80211_crypto_ops *ops;
3205 struct lib80211_crypt_data **crypt;
3206 void *sta_ptr;
3207 u8 *addr;
3208 const char *alg, *module;
3209
3210 i = erq->flags & IW_ENCODE_INDEX;
3211 if (i > WEP_KEYS)
3212 return -EINVAL;
3213 if (i < 1 || i > WEP_KEYS)
3214 i = local->crypt_info.tx_keyidx;
3215 else
3216 i--;
3217 if (i < 0 || i >= WEP_KEYS)
3218 return -EINVAL;
3219
3220 addr = ext->addr.sa_data;
3221 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3222 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3223 sta_ptr = NULL;
3224 crypt = &local->crypt_info.crypt[i];
3225 } else {
3226 if (i != 0)
3227 return -EINVAL;
3228 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3229 if (sta_ptr == NULL) {
3230 if (local->iw_mode == IW_MODE_INFRA) {
3231 /*
3232 * TODO: add STA entry for the current AP so
3233 * that unicast key can be used. For now, this
3234 * is emulated by using default key idx 0.
3235 */
3236 i = 0;
3237 crypt = &local->crypt_info.crypt[i];
3238 } else
3239 return -EINVAL;
3240 }
3241 }
3242
3243 if ((erq->flags & IW_ENCODE_DISABLED) ||
3244 ext->alg == IW_ENCODE_ALG_NONE) {
3245 if (*crypt)
3246 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3247 goto done;
3248 }
3249
3250 switch (ext->alg) {
3251 case IW_ENCODE_ALG_WEP:
3252 alg = "WEP";
3253 module = "lib80211_crypt_wep";
3254 break;
3255 case IW_ENCODE_ALG_TKIP:
3256 alg = "TKIP";
3257 module = "lib80211_crypt_tkip";
3258 break;
3259 case IW_ENCODE_ALG_CCMP:
3260 alg = "CCMP";
3261 module = "lib80211_crypt_ccmp";
3262 break;
3263 default:
3264 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3265 local->dev->name, ext->alg);
3266 ret = -EOPNOTSUPP;
3267 goto done;
3268 }
3269
3270 ops = lib80211_get_crypto_ops(alg);
3271 if (ops == NULL) {
3272 request_module(module);
3273 ops = lib80211_get_crypto_ops(alg);
3274 }
3275 if (ops == NULL) {
3276 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3277 local->dev->name, alg);
3278 ret = -EOPNOTSUPP;
3279 goto done;
3280 }
3281
3282 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3283 /*
3284 * Per station encryption and other than WEP algorithms
3285 * require host-based encryption, so force them on
3286 * automatically.
3287 */
3288 local->host_decrypt = local->host_encrypt = 1;
3289 }
3290
3291 if (*crypt == NULL || (*crypt)->ops != ops) {
3292 struct lib80211_crypt_data *new_crypt;
3293
3294 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3295
3296 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3297 GFP_KERNEL);
3298 if (new_crypt == NULL) {
3299 ret = -ENOMEM;
3300 goto done;
3301 }
3302 new_crypt->ops = ops;
3303 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3304 new_crypt->priv = new_crypt->ops->init(i);
3305 if (new_crypt->priv == NULL) {
3306 kfree(new_crypt);
3307 ret = -EINVAL;
3308 goto done;
3309 }
3310
3311 *crypt = new_crypt;
3312 }
3313
3314 /*
3315 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3316 * existing seq# should not be changed.
3317 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3318 * should be changed to something else than zero.
3319 */
3320 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3321 && (*crypt)->ops->set_key &&
3322 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3323 (*crypt)->priv) < 0) {
3324 printk(KERN_DEBUG "%s: key setting failed\n",
3325 local->dev->name);
3326 ret = -EINVAL;
3327 goto done;
3328 }
3329
3330 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3331 if (!sta_ptr)
3332 local->crypt_info.tx_keyidx = i;
3333 }
3334
3335
3336 if (sta_ptr == NULL && ext->key_len > 0) {
3337 int first = 1, j;
3338 for (j = 0; j < WEP_KEYS; j++) {
3339 if (j != i && local->crypt_info.crypt[j]) {
3340 first = 0;
3341 break;
3342 }
3343 }
3344 if (first)
3345 local->crypt_info.tx_keyidx = i;
3346 }
3347
3348 done:
3349 if (sta_ptr)
3350 hostap_handle_sta_release(sta_ptr);
3351
3352 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3353
3354 /*
3355 * Do not reset port0 if card is in Managed mode since resetting will
3356 * generate new IEEE 802.11 authentication which may end up in looping
3357 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3358 * after WEP configuration. However, keys are apparently changed at
3359 * least in Managed mode.
3360 */
3361 if (ret == 0 &&
3362 (hostap_set_encryption(local) ||
3363 (local->iw_mode != IW_MODE_INFRA &&
3364 local->func->reset_port(local->dev))))
3365 ret = -EINVAL;
3366
3367 return ret;
3368 }
3369
3370
3371 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3372 struct iw_request_info *info,
3373 struct iw_point *erq, char *extra)
3374 {
3375 struct hostap_interface *iface = netdev_priv(dev);
3376 local_info_t *local = iface->local;
3377 struct lib80211_crypt_data **crypt;
3378 void *sta_ptr;
3379 int max_key_len, i;
3380 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3381 u8 *addr;
3382
3383 max_key_len = erq->length - sizeof(*ext);
3384 if (max_key_len < 0)
3385 return -EINVAL;
3386
3387 i = erq->flags & IW_ENCODE_INDEX;
3388 if (i < 1 || i > WEP_KEYS)
3389 i = local->crypt_info.tx_keyidx;
3390 else
3391 i--;
3392
3393 addr = ext->addr.sa_data;
3394 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3395 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3396 sta_ptr = NULL;
3397 crypt = &local->crypt_info.crypt[i];
3398 } else {
3399 i = 0;
3400 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3401 if (sta_ptr == NULL)
3402 return -EINVAL;
3403 }
3404 erq->flags = i + 1;
3405 memset(ext, 0, sizeof(*ext));
3406
3407 if (*crypt == NULL || (*crypt)->ops == NULL) {
3408 ext->alg = IW_ENCODE_ALG_NONE;
3409 ext->key_len = 0;
3410 erq->flags |= IW_ENCODE_DISABLED;
3411 } else {
3412 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3413 ext->alg = IW_ENCODE_ALG_WEP;
3414 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3415 ext->alg = IW_ENCODE_ALG_TKIP;
3416 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3417 ext->alg = IW_ENCODE_ALG_CCMP;
3418 else
3419 return -EINVAL;
3420
3421 if ((*crypt)->ops->get_key) {
3422 ext->key_len =
3423 (*crypt)->ops->get_key(ext->key,
3424 max_key_len,
3425 ext->tx_seq,
3426 (*crypt)->priv);
3427 if (ext->key_len &&
3428 (ext->alg == IW_ENCODE_ALG_TKIP ||
3429 ext->alg == IW_ENCODE_ALG_CCMP))
3430 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3431 }
3432 }
3433
3434 if (sta_ptr)
3435 hostap_handle_sta_release(sta_ptr);
3436
3437 return 0;
3438 }
3439
3440
3441 static int prism2_ioctl_set_encryption(local_info_t *local,
3442 struct prism2_hostapd_param *param,
3443 int param_len)
3444 {
3445 int ret = 0;
3446 struct lib80211_crypto_ops *ops;
3447 struct lib80211_crypt_data **crypt;
3448 void *sta_ptr;
3449
3450 param->u.crypt.err = 0;
3451 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3452
3453 if (param_len !=
3454 (int) ((char *) param->u.crypt.key - (char *) param) +
3455 param->u.crypt.key_len)
3456 return -EINVAL;
3457
3458 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3459 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3460 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
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 (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3594 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3595 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3596 sta_ptr = NULL;
3597 if (param->u.crypt.idx >= WEP_KEYS)
3598 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3599 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3600 } else {
3601 param->u.crypt.idx = 0;
3602 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3603 &crypt);
3604
3605 if (sta_ptr == NULL) {
3606 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3607 return -EINVAL;
3608 }
3609 }
3610
3611 if (*crypt == NULL || (*crypt)->ops == NULL) {
3612 memcpy(param->u.crypt.alg, "none", 5);
3613 param->u.crypt.key_len = 0;
3614 param->u.crypt.idx = 0xff;
3615 } else {
3616 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3617 HOSTAP_CRYPT_ALG_NAME_LEN);
3618 param->u.crypt.key_len = 0;
3619
3620 memset(param->u.crypt.seq, 0, 8);
3621 if ((*crypt)->ops->get_key) {
3622 param->u.crypt.key_len =
3623 (*crypt)->ops->get_key(param->u.crypt.key,
3624 max_key_len,
3625 param->u.crypt.seq,
3626 (*crypt)->priv);
3627 }
3628 }
3629
3630 if (sta_ptr)
3631 hostap_handle_sta_release(sta_ptr);
3632
3633 return 0;
3634 }
3635
3636
3637 static int prism2_ioctl_get_rid(local_info_t *local,
3638 struct prism2_hostapd_param *param,
3639 int param_len)
3640 {
3641 int max_len, res;
3642
3643 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3644 if (max_len < 0)
3645 return -EINVAL;
3646
3647 res = local->func->get_rid(local->dev, param->u.rid.rid,
3648 param->u.rid.data, param->u.rid.len, 0);
3649 if (res >= 0) {
3650 param->u.rid.len = res;
3651 return 0;
3652 }
3653
3654 return res;
3655 }
3656
3657
3658 static int prism2_ioctl_set_rid(local_info_t *local,
3659 struct prism2_hostapd_param *param,
3660 int param_len)
3661 {
3662 int max_len;
3663
3664 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3665 if (max_len < 0 || max_len < param->u.rid.len)
3666 return -EINVAL;
3667
3668 return local->func->set_rid(local->dev, param->u.rid.rid,
3669 param->u.rid.data, param->u.rid.len);
3670 }
3671
3672
3673 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3674 struct prism2_hostapd_param *param,
3675 int param_len)
3676 {
3677 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3678 local->dev->name, param->sta_addr);
3679 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3680 return 0;
3681 }
3682
3683
3684 static int prism2_ioctl_siwgenie(struct net_device *dev,
3685 struct iw_request_info *info,
3686 struct iw_point *data, char *extra)
3687 {
3688 return prism2_set_genericelement(dev, extra, data->length);
3689 }
3690
3691
3692 static int prism2_ioctl_giwgenie(struct net_device *dev,
3693 struct iw_request_info *info,
3694 struct iw_point *data, char *extra)
3695 {
3696 struct hostap_interface *iface = netdev_priv(dev);
3697 local_info_t *local = iface->local;
3698 int len = local->generic_elem_len - 2;
3699
3700 if (len <= 0 || local->generic_elem == NULL) {
3701 data->length = 0;
3702 return 0;
3703 }
3704
3705 if (data->length < len)
3706 return -E2BIG;
3707
3708 data->length = len;
3709 memcpy(extra, local->generic_elem + 2, len);
3710
3711 return 0;
3712 }
3713
3714
3715 static int prism2_ioctl_set_generic_element(local_info_t *local,
3716 struct prism2_hostapd_param *param,
3717 int param_len)
3718 {
3719 int max_len, len;
3720
3721 len = param->u.generic_elem.len;
3722 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3723 if (max_len < 0 || max_len < len)
3724 return -EINVAL;
3725
3726 return prism2_set_genericelement(local->dev,
3727 param->u.generic_elem.data, len);
3728 }
3729
3730
3731 static int prism2_ioctl_siwmlme(struct net_device *dev,
3732 struct iw_request_info *info,
3733 struct iw_point *data, char *extra)
3734 {
3735 struct hostap_interface *iface = netdev_priv(dev);
3736 local_info_t *local = iface->local;
3737 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3738 __le16 reason;
3739
3740 reason = cpu_to_le16(mlme->reason_code);
3741
3742 switch (mlme->cmd) {
3743 case IW_MLME_DEAUTH:
3744 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3745 IEEE80211_STYPE_DEAUTH,
3746 (u8 *) &reason, 2);
3747 case IW_MLME_DISASSOC:
3748 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3749 IEEE80211_STYPE_DISASSOC,
3750 (u8 *) &reason, 2);
3751 default:
3752 return -EOPNOTSUPP;
3753 }
3754 }
3755
3756
3757 static int prism2_ioctl_mlme(local_info_t *local,
3758 struct prism2_hostapd_param *param)
3759 {
3760 __le16 reason;
3761
3762 reason = cpu_to_le16(param->u.mlme.reason_code);
3763 switch (param->u.mlme.cmd) {
3764 case MLME_STA_DEAUTH:
3765 return prism2_sta_send_mgmt(local, param->sta_addr,
3766 IEEE80211_STYPE_DEAUTH,
3767 (u8 *) &reason, 2);
3768 case MLME_STA_DISASSOC:
3769 return prism2_sta_send_mgmt(local, param->sta_addr,
3770 IEEE80211_STYPE_DISASSOC,
3771 (u8 *) &reason, 2);
3772 default:
3773 return -EOPNOTSUPP;
3774 }
3775 }
3776
3777
3778 static int prism2_ioctl_scan_req(local_info_t *local,
3779 struct prism2_hostapd_param *param)
3780 {
3781 #ifndef PRISM2_NO_STATION_MODES
3782 if ((local->iw_mode != IW_MODE_INFRA &&
3783 local->iw_mode != IW_MODE_ADHOC) ||
3784 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3785 return -EOPNOTSUPP;
3786
3787 if (!local->dev_enabled)
3788 return -ENETDOWN;
3789
3790 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3791 param->u.scan_req.ssid_len);
3792 #else /* PRISM2_NO_STATION_MODES */
3793 return -EOPNOTSUPP;
3794 #endif /* PRISM2_NO_STATION_MODES */
3795 }
3796
3797
3798 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3799 {
3800 struct prism2_hostapd_param *param;
3801 int ret = 0;
3802 int ap_ioctl = 0;
3803
3804 if (p->length < sizeof(struct prism2_hostapd_param) ||
3805 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3806 return -EINVAL;
3807
3808 param = kmalloc(p->length, GFP_KERNEL);
3809 if (param == NULL)
3810 return -ENOMEM;
3811
3812 if (copy_from_user(param, p->pointer, p->length)) {
3813 ret = -EFAULT;
3814 goto out;
3815 }
3816
3817 switch (param->cmd) {
3818 case PRISM2_SET_ENCRYPTION:
3819 ret = prism2_ioctl_set_encryption(local, param, p->length);
3820 break;
3821 case PRISM2_GET_ENCRYPTION:
3822 ret = prism2_ioctl_get_encryption(local, param, p->length);
3823 break;
3824 case PRISM2_HOSTAPD_GET_RID:
3825 ret = prism2_ioctl_get_rid(local, param, p->length);
3826 break;
3827 case PRISM2_HOSTAPD_SET_RID:
3828 ret = prism2_ioctl_set_rid(local, param, p->length);
3829 break;
3830 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3831 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3832 break;
3833 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3834 ret = prism2_ioctl_set_generic_element(local, param,
3835 p->length);
3836 break;
3837 case PRISM2_HOSTAPD_MLME:
3838 ret = prism2_ioctl_mlme(local, param);
3839 break;
3840 case PRISM2_HOSTAPD_SCAN_REQ:
3841 ret = prism2_ioctl_scan_req(local, param);
3842 break;
3843 default:
3844 ret = prism2_hostapd(local->ap, param);
3845 ap_ioctl = 1;
3846 break;
3847 }
3848
3849 if (ret == 1 || !ap_ioctl) {
3850 if (copy_to_user(p->pointer, param, p->length)) {
3851 ret = -EFAULT;
3852 goto out;
3853 } else if (ap_ioctl)
3854 ret = 0;
3855 }
3856
3857 out:
3858 kfree(param);
3859 return ret;
3860 }
3861
3862
3863 static void prism2_get_drvinfo(struct net_device *dev,
3864 struct ethtool_drvinfo *info)
3865 {
3866 struct hostap_interface *iface;
3867 local_info_t *local;
3868
3869 iface = netdev_priv(dev);
3870 local = iface->local;
3871
3872 strlcpy(info->driver, "hostap", sizeof(info->driver));
3873 snprintf(info->fw_version, sizeof(info->fw_version),
3874 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3875 (local->sta_fw_ver >> 8) & 0xff,
3876 local->sta_fw_ver & 0xff);
3877 }
3878
3879 const struct ethtool_ops prism2_ethtool_ops = {
3880 .get_drvinfo = prism2_get_drvinfo
3881 };
3882
3883
3884 /* Structures to export the Wireless Handlers */
3885
3886 static const iw_handler prism2_handler[] =
3887 {
3888 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3889 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3890 (iw_handler) NULL, /* SIOCSIWNWID */
3891 (iw_handler) NULL, /* SIOCGIWNWID */
3892 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3893 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3894 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3895 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3896 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3897 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3898 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3899 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3900 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3901 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3902 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3903 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3904 iw_handler_set_spy, /* SIOCSIWSPY */
3905 iw_handler_get_spy, /* SIOCGIWSPY */
3906 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3907 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3908 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3909 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3910 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3911 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3912 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3913 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3914 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3915 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3916 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3917 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3918 (iw_handler) NULL, /* -- hole -- */
3919 (iw_handler) NULL, /* -- hole -- */
3920 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3921 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3922 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3923 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3924 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3925 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3926 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3927 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3928 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3929 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3930 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3931 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3932 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3933 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3934 (iw_handler) NULL, /* -- hole -- */
3935 (iw_handler) NULL, /* -- hole -- */
3936 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3937 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3938 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3939 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3940 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3941 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3942 (iw_handler) NULL, /* SIOCSIWPMKSA */
3943 (iw_handler) NULL, /* -- hole -- */
3944 };
3945
3946 static const iw_handler prism2_private_handler[] =
3947 { /* SIOCIWFIRSTPRIV + */
3948 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3949 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3950 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3951 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3952 };
3953
3954 const struct iw_handler_def hostap_iw_handler_def =
3955 {
3956 .num_standard = ARRAY_SIZE(prism2_handler),
3957 .num_private = ARRAY_SIZE(prism2_private_handler),
3958 .num_private_args = ARRAY_SIZE(prism2_priv),
3959 .standard = (iw_handler *) prism2_handler,
3960 .private = (iw_handler *) prism2_private_handler,
3961 .private_args = (struct iw_priv_args *) prism2_priv,
3962 .get_wireless_stats = hostap_get_wireless_stats,
3963 };
3964
3965
3966 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3967 {
3968 struct iwreq *wrq = (struct iwreq *) ifr;
3969 struct hostap_interface *iface;
3970 local_info_t *local;
3971 int ret = 0;
3972
3973 iface = netdev_priv(dev);
3974 local = iface->local;
3975
3976 switch (cmd) {
3977 /* Private ioctls (iwpriv) that have not yet been converted
3978 * into new wireless extensions API */
3979
3980 case PRISM2_IOCTL_INQUIRE:
3981 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3982 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3983 break;
3984
3985 case PRISM2_IOCTL_MONITOR:
3986 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3987 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3988 break;
3989
3990 case PRISM2_IOCTL_RESET:
3991 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3992 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3993 break;
3994
3995 case PRISM2_IOCTL_WDS_ADD:
3996 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3997 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3998 break;
3999
4000 case PRISM2_IOCTL_WDS_DEL:
4001 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4002 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4003 break;
4004
4005 case PRISM2_IOCTL_SET_RID_WORD:
4006 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4007 else ret = prism2_ioctl_priv_set_rid_word(dev,
4008 (int *) wrq->u.name);
4009 break;
4010
4011 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4012 case PRISM2_IOCTL_MACCMD:
4013 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4014 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4015 break;
4016
4017 case PRISM2_IOCTL_ADDMAC:
4018 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4019 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4020 wrq->u.ap_addr.sa_data);
4021 break;
4022 case PRISM2_IOCTL_DELMAC:
4023 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4024 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4025 wrq->u.ap_addr.sa_data);
4026 break;
4027 case PRISM2_IOCTL_KICKMAC:
4028 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4029 else ret = ap_control_kick_mac(local->ap, local->dev,
4030 wrq->u.ap_addr.sa_data);
4031 break;
4032 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4033
4034
4035 /* Private ioctls that are not used with iwpriv;
4036 * in SIOCDEVPRIVATE range */
4037
4038 #ifdef PRISM2_DOWNLOAD_SUPPORT
4039 case PRISM2_IOCTL_DOWNLOAD:
4040 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4041 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4042 break;
4043 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4044
4045 case PRISM2_IOCTL_HOSTAPD:
4046 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4047 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4048 break;
4049
4050 default:
4051 ret = -EOPNOTSUPP;
4052 break;
4053 }
4054
4055 return ret;
4056 }
4057
4058 /* BUG FIX: Restore power setting value when lost due to F/W bug */
4059
4060 int hostap_restore_power(struct net_device *dev)
4061 {
4062 struct hostap_interface *iface = netdev_priv(dev);
4063 local_info_t *local = iface->local;
4064
4065 u16 val;
4066 int ret = 0;
4067
4068 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
4069 val = 0xff; /* use all standby and sleep modes */
4070 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
4071 HFA386X_CR_A_D_TEST_MODES2,
4072 &val, NULL);
4073 }
4074
4075 #ifdef RAW_TXPOWER_SETTING
4076 if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
4077 val = HFA384X_TEST_CFG_BIT_ALC;
4078 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
4079 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
4080 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
4081 ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
4082 HFA386X_CR_MANUAL_TX_POWER, &val, NULL));
4083 }
4084 #endif /* RAW_TXPOWER_SETTING */
4085 return (ret ? -EOPNOTSUPP : 0);
4086 }
4087
4088 EXPORT_SYMBOL(hostap_restore_power);