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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / wireless / hostap / hostap_ioctl.c
blob18054d9c66887363cc7d028279c04e89732481ba
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 tmp >>= 2;
1482
1483 return -12 - tmp;
1484 }
1485
1486 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1487 {
1488 signed char tmp;
1489
1490 if (val > 20)
1491 return 128;
1492 else if (val < -43)
1493 return 127;
1494
1495 tmp = val;
1496 tmp = -12 - tmp;
1497 tmp <<= 2;
1498
1499 return (unsigned char) tmp;
1500 }
1501 #endif /* RAW_TXPOWER_SETTING */
1502
1503
1504 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1505 struct iw_request_info *info,
1506 struct iw_param *rrq, char *extra)
1507 {
1508 struct hostap_interface *iface;
1509 local_info_t *local;
1510 #ifdef RAW_TXPOWER_SETTING
1511 char *tmp;
1512 #endif
1513 u16 val;
1514 int ret = 0;
1515
1516 iface = netdev_priv(dev);
1517 local = iface->local;
1518
1519 if (rrq->disabled) {
1520 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1521 val = 0xff; /* use all standby and sleep modes */
1522 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1523 HFA386X_CR_A_D_TEST_MODES2,
1524 &val, NULL);
1525 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1526 dev->name, ret ? "failed" : "OK");
1527 local->txpower_type = PRISM2_TXPOWER_OFF;
1528 }
1529 return (ret ? -EOPNOTSUPP : 0);
1530 }
1531
1532 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1533 val = 0; /* disable all standby and sleep modes */
1534 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1535 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1536 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1537 dev->name, ret ? "failed" : "OK");
1538 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1539 }
1540
1541 #ifdef RAW_TXPOWER_SETTING
1542 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1543 printk(KERN_DEBUG "Setting ALC on\n");
1544 val = HFA384X_TEST_CFG_BIT_ALC;
1545 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1546 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1547 local->txpower_type = PRISM2_TXPOWER_AUTO;
1548 return 0;
1549 }
1550
1551 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1552 printk(KERN_DEBUG "Setting ALC off\n");
1553 val = HFA384X_TEST_CFG_BIT_ALC;
1554 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1555 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1556 local->txpower_type = PRISM2_TXPOWER_FIXED;
1557 }
1558
1559 if (rrq->flags == IW_TXPOW_DBM)
1560 tmp = "dBm";
1561 else if (rrq->flags == IW_TXPOW_MWATT)
1562 tmp = "mW";
1563 else
1564 tmp = "UNKNOWN";
1565 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1566
1567 if (rrq->flags != IW_TXPOW_DBM) {
1568 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1569 return -EOPNOTSUPP;
1570 }
1571
1572 local->txpower = rrq->value;
1573 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1574 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1575 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1576 ret = -EOPNOTSUPP;
1577 #else /* RAW_TXPOWER_SETTING */
1578 if (rrq->fixed)
1579 ret = -EOPNOTSUPP;
1580 #endif /* RAW_TXPOWER_SETTING */
1581
1582 return ret;
1583 }
1584
1585 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1586 struct iw_request_info *info,
1587 struct iw_param *rrq, char *extra)
1588 {
1589 #ifdef RAW_TXPOWER_SETTING
1590 struct hostap_interface *iface;
1591 local_info_t *local;
1592 u16 resp0;
1593
1594 iface = netdev_priv(dev);
1595 local = iface->local;
1596
1597 rrq->flags = IW_TXPOW_DBM;
1598 rrq->disabled = 0;
1599 rrq->fixed = 0;
1600
1601 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1602 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1603 HFA386X_CR_MANUAL_TX_POWER,
1604 NULL, &resp0) == 0) {
1605 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1606 } else {
1607 /* Could not get real txpower; guess 15 dBm */
1608 rrq->value = 15;
1609 }
1610 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1611 rrq->value = 0;
1612 rrq->disabled = 1;
1613 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1614 rrq->value = local->txpower;
1615 rrq->fixed = 1;
1616 } else {
1617 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1618 local->txpower_type);
1619 }
1620 return 0;
1621 #else /* RAW_TXPOWER_SETTING */
1622 return -EOPNOTSUPP;
1623 #endif /* RAW_TXPOWER_SETTING */
1624 }
1625
1626
1627 #ifndef PRISM2_NO_STATION_MODES
1628
1629 /* HostScan request works with and without host_roaming mode. In addition, it
1630 * does not break current association. However, it requires newer station
1631 * firmware version (>= 1.3.1) than scan request. */
1632 static int prism2_request_hostscan(struct net_device *dev,
1633 u8 *ssid, u8 ssid_len)
1634 {
1635 struct hostap_interface *iface;
1636 local_info_t *local;
1637 struct hfa384x_hostscan_request scan_req;
1638
1639 iface = netdev_priv(dev);
1640 local = iface->local;
1641
1642 memset(&scan_req, 0, sizeof(scan_req));
1643 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1644 local->scan_channel_mask);
1645 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1646 if (ssid) {
1647 if (ssid_len > 32)
1648 return -EINVAL;
1649 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1650 memcpy(scan_req.target_ssid, ssid, ssid_len);
1651 }
1652
1653 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1654 sizeof(scan_req))) {
1655 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1656 return -EINVAL;
1657 }
1658 return 0;
1659 }
1660
1661
1662 static int prism2_request_scan(struct net_device *dev)
1663 {
1664 struct hostap_interface *iface;
1665 local_info_t *local;
1666 struct hfa384x_scan_request scan_req;
1667 int ret = 0;
1668
1669 iface = netdev_priv(dev);
1670 local = iface->local;
1671
1672 memset(&scan_req, 0, sizeof(scan_req));
1673 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1674 local->scan_channel_mask);
1675 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1676
1677 /* FIX:
1678 * It seems to be enough to set roaming mode for a short moment to
1679 * host-based and then setup scanrequest data and return the mode to
1680 * firmware-based.
1681 *
1682 * Master mode would need to drop to Managed mode for a short while
1683 * to make scanning work.. Or sweep through the different channels and
1684 * use passive scan based on beacons. */
1685
1686 if (!local->host_roaming)
1687 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1688 HFA384X_ROAMING_HOST);
1689
1690 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1691 sizeof(scan_req))) {
1692 printk(KERN_DEBUG "SCANREQUEST failed\n");
1693 ret = -EINVAL;
1694 }
1695
1696 if (!local->host_roaming)
1697 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1698 HFA384X_ROAMING_FIRMWARE);
1699
1700 return ret;
1701 }
1702
1703 #else /* !PRISM2_NO_STATION_MODES */
1704
1705 static inline int prism2_request_hostscan(struct net_device *dev,
1706 u8 *ssid, u8 ssid_len)
1707 {
1708 return -EOPNOTSUPP;
1709 }
1710
1711
1712 static inline int prism2_request_scan(struct net_device *dev)
1713 {
1714 return -EOPNOTSUPP;
1715 }
1716
1717 #endif /* !PRISM2_NO_STATION_MODES */
1718
1719
1720 static int prism2_ioctl_siwscan(struct net_device *dev,
1721 struct iw_request_info *info,
1722 struct iw_point *data, char *extra)
1723 {
1724 struct hostap_interface *iface;
1725 local_info_t *local;
1726 int ret;
1727 u8 *ssid = NULL, ssid_len = 0;
1728 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1729
1730 iface = netdev_priv(dev);
1731 local = iface->local;
1732
1733 if (data->length < sizeof(struct iw_scan_req))
1734 req = NULL;
1735
1736 if (local->iw_mode == IW_MODE_MASTER) {
1737 /* In master mode, we just return the results of our local
1738 * tables, so we don't need to start anything...
1739 * Jean II */
1740 data->length = 0;
1741 return 0;
1742 }
1743
1744 if (!local->dev_enabled)
1745 return -ENETDOWN;
1746
1747 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1748 ssid = req->essid;
1749 ssid_len = req->essid_len;
1750
1751 if (ssid_len &&
1752 ((local->iw_mode != IW_MODE_INFRA &&
1753 local->iw_mode != IW_MODE_ADHOC) ||
1754 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1755 return -EOPNOTSUPP;
1756 }
1757
1758 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1759 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1760 else
1761 ret = prism2_request_scan(dev);
1762
1763 if (ret == 0)
1764 local->scan_timestamp = jiffies;
1765
1766 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1767
1768 return ret;
1769 }
1770
1771
1772 #ifndef PRISM2_NO_STATION_MODES
1773 static char * __prism2_translate_scan(local_info_t *local,
1774 struct iw_request_info *info,
1775 struct hfa384x_hostscan_result *scan,
1776 struct hostap_bss_info *bss,
1777 char *current_ev, char *end_buf)
1778 {
1779 int i, chan;
1780 struct iw_event iwe;
1781 char *current_val;
1782 u16 capabilities;
1783 u8 *pos;
1784 u8 *ssid, *bssid;
1785 size_t ssid_len;
1786 char *buf;
1787
1788 if (bss) {
1789 ssid = bss->ssid;
1790 ssid_len = bss->ssid_len;
1791 bssid = bss->bssid;
1792 } else {
1793 ssid = scan->ssid;
1794 ssid_len = le16_to_cpu(scan->ssid_len);
1795 bssid = scan->bssid;
1796 }
1797 if (ssid_len > 32)
1798 ssid_len = 32;
1799
1800 /* First entry *MUST* be the AP MAC address */
1801 memset(&iwe, 0, sizeof(iwe));
1802 iwe.cmd = SIOCGIWAP;
1803 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1804 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1805 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1806 IW_EV_ADDR_LEN);
1807
1808 /* Other entries will be displayed in the order we give them */
1809
1810 memset(&iwe, 0, sizeof(iwe));
1811 iwe.cmd = SIOCGIWESSID;
1812 iwe.u.data.length = ssid_len;
1813 iwe.u.data.flags = 1;
1814 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1815 &iwe, ssid);
1816
1817 memset(&iwe, 0, sizeof(iwe));
1818 iwe.cmd = SIOCGIWMODE;
1819 if (bss) {
1820 capabilities = bss->capab_info;
1821 } else {
1822 capabilities = le16_to_cpu(scan->capability);
1823 }
1824 if (capabilities & (WLAN_CAPABILITY_ESS |
1825 WLAN_CAPABILITY_IBSS)) {
1826 if (capabilities & WLAN_CAPABILITY_ESS)
1827 iwe.u.mode = IW_MODE_MASTER;
1828 else
1829 iwe.u.mode = IW_MODE_ADHOC;
1830 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1831 &iwe, IW_EV_UINT_LEN);
1832 }
1833
1834 memset(&iwe, 0, sizeof(iwe));
1835 iwe.cmd = SIOCGIWFREQ;
1836 if (scan) {
1837 chan = le16_to_cpu(scan->chid);
1838 } else if (bss) {
1839 chan = bss->chan;
1840 } else {
1841 chan = 0;
1842 }
1843
1844 if (chan > 0) {
1845 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1846 iwe.u.freq.e = 1;
1847 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1848 &iwe, IW_EV_FREQ_LEN);
1849 }
1850
1851 if (scan) {
1852 memset(&iwe, 0, sizeof(iwe));
1853 iwe.cmd = IWEVQUAL;
1854 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1855 iwe.u.qual.level = le16_to_cpu(scan->sl);
1856 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1857 } else {
1858 iwe.u.qual.level =
1859 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1860 iwe.u.qual.noise =
1861 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1862 }
1863 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1864 | IW_QUAL_NOISE_UPDATED
1865 | IW_QUAL_QUAL_INVALID
1866 | IW_QUAL_DBM;
1867 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1868 &iwe, IW_EV_QUAL_LEN);
1869 }
1870
1871 memset(&iwe, 0, sizeof(iwe));
1872 iwe.cmd = SIOCGIWENCODE;
1873 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1874 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1875 else
1876 iwe.u.data.flags = IW_ENCODE_DISABLED;
1877 iwe.u.data.length = 0;
1878 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1879
1880 /* TODO: add SuppRates into BSS table */
1881 if (scan) {
1882 memset(&iwe, 0, sizeof(iwe));
1883 iwe.cmd = SIOCGIWRATE;
1884 current_val = current_ev + iwe_stream_lcp_len(info);
1885 pos = scan->sup_rates;
1886 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1887 if (pos[i] == 0)
1888 break;
1889 /* Bit rate given in 500 kb/s units (+ 0x80) */
1890 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1891 current_val = iwe_stream_add_value(
1892 info, current_ev, current_val, end_buf, &iwe,
1893 IW_EV_PARAM_LEN);
1894 }
1895 /* Check if we added any event */
1896 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1897 current_ev = current_val;
1898 }
1899
1900 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1901 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1902 if (buf && scan) {
1903 memset(&iwe, 0, sizeof(iwe));
1904 iwe.cmd = IWEVCUSTOM;
1905 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1906 iwe.u.data.length = strlen(buf);
1907 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1908 &iwe, buf);
1909
1910 memset(&iwe, 0, sizeof(iwe));
1911 iwe.cmd = IWEVCUSTOM;
1912 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1913 iwe.u.data.length = strlen(buf);
1914 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1915 &iwe, buf);
1916
1917 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1918 (capabilities & WLAN_CAPABILITY_IBSS)) {
1919 memset(&iwe, 0, sizeof(iwe));
1920 iwe.cmd = IWEVCUSTOM;
1921 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1922 iwe.u.data.length = strlen(buf);
1923 current_ev = iwe_stream_add_point(info, current_ev,
1924 end_buf, &iwe, buf);
1925 }
1926 }
1927 kfree(buf);
1928
1929 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1930 memset(&iwe, 0, sizeof(iwe));
1931 iwe.cmd = IWEVGENIE;
1932 iwe.u.data.length = bss->wpa_ie_len;
1933 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1934 &iwe, bss->wpa_ie);
1935 }
1936
1937 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1938 memset(&iwe, 0, sizeof(iwe));
1939 iwe.cmd = IWEVGENIE;
1940 iwe.u.data.length = bss->rsn_ie_len;
1941 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1942 &iwe, bss->rsn_ie);
1943 }
1944
1945 return current_ev;
1946 }
1947
1948
1949 /* Translate scan data returned from the card to a card independent
1950 * format that the Wireless Tools will understand - Jean II */
1951 static inline int prism2_translate_scan(local_info_t *local,
1952 struct iw_request_info *info,
1953 char *buffer, int buflen)
1954 {
1955 struct hfa384x_hostscan_result *scan;
1956 int entry, hostscan;
1957 char *current_ev = buffer;
1958 char *end_buf = buffer + buflen;
1959 struct list_head *ptr;
1960
1961 spin_lock_bh(&local->lock);
1962
1963 list_for_each(ptr, &local->bss_list) {
1964 struct hostap_bss_info *bss;
1965 bss = list_entry(ptr, struct hostap_bss_info, list);
1966 bss->included = 0;
1967 }
1968
1969 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1970 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1971 int found = 0;
1972 scan = &local->last_scan_results[entry];
1973
1974 /* Report every SSID if the AP is using multiple SSIDs. If no
1975 * BSS record is found (e.g., when WPA mode is disabled),
1976 * report the AP once. */
1977 list_for_each(ptr, &local->bss_list) {
1978 struct hostap_bss_info *bss;
1979 bss = list_entry(ptr, struct hostap_bss_info, list);
1980 if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
1981 bss->included = 1;
1982 current_ev = __prism2_translate_scan(
1983 local, info, scan, bss, current_ev,
1984 end_buf);
1985 found++;
1986 }
1987 }
1988 if (!found) {
1989 current_ev = __prism2_translate_scan(
1990 local, info, scan, NULL, current_ev, end_buf);
1991 }
1992 /* Check if there is space for one more entry */
1993 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1994 /* Ask user space to try again with a bigger buffer */
1995 spin_unlock_bh(&local->lock);
1996 return -E2BIG;
1997 }
1998 }
1999
2000 /* Prism2 firmware has limits (32 at least in some versions) for number
2001 * of BSSes in scan results. Extend this limit by using local BSS list.
2002 */
2003 list_for_each(ptr, &local->bss_list) {
2004 struct hostap_bss_info *bss;
2005 bss = list_entry(ptr, struct hostap_bss_info, list);
2006 if (bss->included)
2007 continue;
2008 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2009 current_ev, end_buf);
2010 /* Check if there is space for one more entry */
2011 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2012 /* Ask user space to try again with a bigger buffer */
2013 spin_unlock_bh(&local->lock);
2014 return -E2BIG;
2015 }
2016 }
2017
2018 spin_unlock_bh(&local->lock);
2019
2020 return current_ev - buffer;
2021 }
2022 #endif /* PRISM2_NO_STATION_MODES */
2023
2024
2025 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2026 struct iw_request_info *info,
2027 struct iw_point *data, char *extra)
2028 {
2029 #ifdef PRISM2_NO_STATION_MODES
2030 return -EOPNOTSUPP;
2031 #else /* PRISM2_NO_STATION_MODES */
2032 struct hostap_interface *iface;
2033 local_info_t *local;
2034 int res;
2035
2036 iface = netdev_priv(dev);
2037 local = iface->local;
2038
2039 /* Wait until the scan is finished. We can probably do better
2040 * than that - Jean II */
2041 if (local->scan_timestamp &&
2042 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2043 /* Important note : we don't want to block the caller
2044 * until results are ready for various reasons.
2045 * First, managing wait queues is complex and racy
2046 * (there may be multiple simultaneous callers).
2047 * Second, we grab some rtnetlink lock before coming
2048 * here (in dev_ioctl()).
2049 * Third, the caller can wait on the Wireless Event
2050 * - Jean II */
2051 return -EAGAIN;
2052 }
2053 local->scan_timestamp = 0;
2054
2055 res = prism2_translate_scan(local, info, extra, data->length);
2056
2057 if (res >= 0) {
2058 data->length = res;
2059 return 0;
2060 } else {
2061 data->length = 0;
2062 return res;
2063 }
2064 #endif /* PRISM2_NO_STATION_MODES */
2065 }
2066
2067
2068 static int prism2_ioctl_giwscan(struct net_device *dev,
2069 struct iw_request_info *info,
2070 struct iw_point *data, char *extra)
2071 {
2072 struct hostap_interface *iface;
2073 local_info_t *local;
2074 int res;
2075
2076 iface = netdev_priv(dev);
2077 local = iface->local;
2078
2079 if (local->iw_mode == IW_MODE_MASTER) {
2080 /* In MASTER mode, it doesn't make sense to go around
2081 * scanning the frequencies and make the stations we serve
2082 * wait when what the user is really interested about is the
2083 * list of stations and access points we are talking to.
2084 * So, just extract results from our cache...
2085 * Jean II */
2086
2087 /* Translate to WE format */
2088 res = prism2_ap_translate_scan(dev, info, extra);
2089 if (res >= 0) {
2090 printk(KERN_DEBUG "Scan result translation succeeded "
2091 "(length=%d)\n", res);
2092 data->length = res;
2093 return 0;
2094 } else {
2095 printk(KERN_DEBUG
2096 "Scan result translation failed (res=%d)\n",
2097 res);
2098 data->length = 0;
2099 return res;
2100 }
2101 } else {
2102 /* Station mode */
2103 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2104 }
2105 }
2106
2107
2108 static const struct iw_priv_args prism2_priv[] = {
2109 { PRISM2_IOCTL_MONITOR,
2110 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2111 { PRISM2_IOCTL_READMIF,
2112 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2113 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2114 { PRISM2_IOCTL_WRITEMIF,
2115 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2116 { PRISM2_IOCTL_RESET,
2117 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2118 { PRISM2_IOCTL_INQUIRE,
2119 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2120 { PRISM2_IOCTL_SET_RID_WORD,
2121 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2122 { PRISM2_IOCTL_MACCMD,
2123 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2124 { PRISM2_IOCTL_WDS_ADD,
2125 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2126 { PRISM2_IOCTL_WDS_DEL,
2127 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2128 { PRISM2_IOCTL_ADDMAC,
2129 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2130 { PRISM2_IOCTL_DELMAC,
2131 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2132 { PRISM2_IOCTL_KICKMAC,
2133 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2134 /* --- raw access to sub-ioctls --- */
2135 { PRISM2_IOCTL_PRISM2_PARAM,
2136 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2137 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2138 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2140 /* --- sub-ioctls handlers --- */
2141 { PRISM2_IOCTL_PRISM2_PARAM,
2142 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2143 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2144 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2145 /* --- sub-ioctls definitions --- */
2146 { PRISM2_PARAM_TXRATECTRL,
2147 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2148 { PRISM2_PARAM_TXRATECTRL,
2149 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2150 { PRISM2_PARAM_BEACON_INT,
2151 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2152 { PRISM2_PARAM_BEACON_INT,
2153 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2154 #ifndef PRISM2_NO_STATION_MODES
2155 { PRISM2_PARAM_PSEUDO_IBSS,
2156 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2157 { PRISM2_PARAM_PSEUDO_IBSS,
2158 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2159 #endif /* PRISM2_NO_STATION_MODES */
2160 { PRISM2_PARAM_ALC,
2161 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2162 { PRISM2_PARAM_ALC,
2163 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2164 { PRISM2_PARAM_DUMP,
2165 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2166 { PRISM2_PARAM_DUMP,
2167 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2168 { PRISM2_PARAM_OTHER_AP_POLICY,
2169 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2170 { PRISM2_PARAM_OTHER_AP_POLICY,
2171 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2172 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2173 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2174 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2175 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2176 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2177 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2178 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2179 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2180 { PRISM2_PARAM_DTIM_PERIOD,
2181 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2182 { PRISM2_PARAM_DTIM_PERIOD,
2183 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2184 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2185 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2186 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2187 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2188 { PRISM2_PARAM_MAX_WDS,
2189 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2190 { PRISM2_PARAM_MAX_WDS,
2191 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2192 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2193 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2194 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2195 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2196 { PRISM2_PARAM_AP_AUTH_ALGS,
2197 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2198 { PRISM2_PARAM_AP_AUTH_ALGS,
2199 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2200 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2201 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2202 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2203 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2204 { PRISM2_PARAM_HOST_ENCRYPT,
2205 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2206 { PRISM2_PARAM_HOST_ENCRYPT,
2207 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2208 { PRISM2_PARAM_HOST_DECRYPT,
2209 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2210 { PRISM2_PARAM_HOST_DECRYPT,
2211 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2212 #ifndef PRISM2_NO_STATION_MODES
2213 { PRISM2_PARAM_HOST_ROAMING,
2214 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2215 { PRISM2_PARAM_HOST_ROAMING,
2216 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2217 #endif /* PRISM2_NO_STATION_MODES */
2218 { PRISM2_PARAM_BCRX_STA_KEY,
2219 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2220 { PRISM2_PARAM_BCRX_STA_KEY,
2221 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2222 { PRISM2_PARAM_IEEE_802_1X,
2223 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2224 { PRISM2_PARAM_IEEE_802_1X,
2225 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2226 { PRISM2_PARAM_ANTSEL_TX,
2227 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2228 { PRISM2_PARAM_ANTSEL_TX,
2229 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2230 { PRISM2_PARAM_ANTSEL_RX,
2231 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2232 { PRISM2_PARAM_ANTSEL_RX,
2233 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2234 { PRISM2_PARAM_MONITOR_TYPE,
2235 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2236 { PRISM2_PARAM_MONITOR_TYPE,
2237 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2238 { PRISM2_PARAM_WDS_TYPE,
2239 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2240 { PRISM2_PARAM_WDS_TYPE,
2241 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2242 { PRISM2_PARAM_HOSTSCAN,
2243 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2244 { PRISM2_PARAM_HOSTSCAN,
2245 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2246 { PRISM2_PARAM_AP_SCAN,
2247 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2248 { PRISM2_PARAM_AP_SCAN,
2249 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2250 { PRISM2_PARAM_ENH_SEC,
2251 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2252 { PRISM2_PARAM_ENH_SEC,
2253 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2254 #ifdef PRISM2_IO_DEBUG
2255 { PRISM2_PARAM_IO_DEBUG,
2256 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2257 { PRISM2_PARAM_IO_DEBUG,
2258 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2259 #endif /* PRISM2_IO_DEBUG */
2260 { PRISM2_PARAM_BASIC_RATES,
2261 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2262 { PRISM2_PARAM_BASIC_RATES,
2263 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2264 { PRISM2_PARAM_OPER_RATES,
2265 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2266 { PRISM2_PARAM_OPER_RATES,
2267 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2268 { PRISM2_PARAM_HOSTAPD,
2269 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2270 { PRISM2_PARAM_HOSTAPD,
2271 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2272 { PRISM2_PARAM_HOSTAPD_STA,
2273 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2274 { PRISM2_PARAM_HOSTAPD_STA,
2275 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2276 { PRISM2_PARAM_WPA,
2277 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2278 { PRISM2_PARAM_WPA,
2279 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2280 { PRISM2_PARAM_PRIVACY_INVOKED,
2281 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2282 { PRISM2_PARAM_PRIVACY_INVOKED,
2283 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2284 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2285 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2286 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2287 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2288 { PRISM2_PARAM_DROP_UNENCRYPTED,
2289 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2290 { PRISM2_PARAM_DROP_UNENCRYPTED,
2291 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2292 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2293 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2294 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2295 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2296 };
2297
2298
2299 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2300 {
2301 struct hostap_interface *iface;
2302 local_info_t *local;
2303
2304 iface = netdev_priv(dev);
2305 local = iface->local;
2306
2307 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2308 return -EOPNOTSUPP;
2309
2310 return 0;
2311 }
2312
2313
2314 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2315 struct iw_request_info *info,
2316 void *wrqu, char *extra)
2317 {
2318 struct hostap_interface *iface;
2319 local_info_t *local;
2320 int *i = (int *) extra;
2321 int param = *i;
2322 int value = *(i + 1);
2323 int ret = 0;
2324 u16 val;
2325
2326 iface = netdev_priv(dev);
2327 local = iface->local;
2328
2329 switch (param) {
2330 case PRISM2_PARAM_TXRATECTRL:
2331 local->fw_tx_rate_control = value;
2332 break;
2333
2334 case PRISM2_PARAM_BEACON_INT:
2335 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2336 local->func->reset_port(dev))
2337 ret = -EINVAL;
2338 else
2339 local->beacon_int = value;
2340 break;
2341
2342 #ifndef PRISM2_NO_STATION_MODES
2343 case PRISM2_PARAM_PSEUDO_IBSS:
2344 if (value == local->pseudo_adhoc)
2345 break;
2346
2347 if (value != 0 && value != 1) {
2348 ret = -EINVAL;
2349 break;
2350 }
2351
2352 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2353 dev->name, local->pseudo_adhoc, value);
2354 local->pseudo_adhoc = value;
2355 if (local->iw_mode != IW_MODE_ADHOC)
2356 break;
2357
2358 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2359 hostap_get_porttype(local))) {
2360 ret = -EOPNOTSUPP;
2361 break;
2362 }
2363
2364 if (local->func->reset_port(dev))
2365 ret = -EINVAL;
2366 break;
2367 #endif /* PRISM2_NO_STATION_MODES */
2368
2369 case PRISM2_PARAM_ALC:
2370 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2371 value == 0 ? "Disabling" : "Enabling");
2372 val = HFA384X_TEST_CFG_BIT_ALC;
2373 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2374 (HFA384X_TEST_CFG_BITS << 8),
2375 value == 0 ? 0 : 1, &val, NULL);
2376 break;
2377
2378 case PRISM2_PARAM_DUMP:
2379 local->frame_dump = value;
2380 break;
2381
2382 case PRISM2_PARAM_OTHER_AP_POLICY:
2383 if (value < 0 || value > 3) {
2384 ret = -EINVAL;
2385 break;
2386 }
2387 if (local->ap != NULL)
2388 local->ap->ap_policy = value;
2389 break;
2390
2391 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2392 if (value < 0 || value > 7 * 24 * 60 * 60) {
2393 ret = -EINVAL;
2394 break;
2395 }
2396 if (local->ap != NULL)
2397 local->ap->max_inactivity = value * HZ;
2398 break;
2399
2400 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2401 if (local->ap != NULL)
2402 local->ap->bridge_packets = value;
2403 break;
2404
2405 case PRISM2_PARAM_DTIM_PERIOD:
2406 if (value < 0 || value > 65535) {
2407 ret = -EINVAL;
2408 break;
2409 }
2410 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2411 || local->func->reset_port(dev))
2412 ret = -EINVAL;
2413 else
2414 local->dtim_period = value;
2415 break;
2416
2417 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2418 if (local->ap != NULL)
2419 local->ap->nullfunc_ack = value;
2420 break;
2421
2422 case PRISM2_PARAM_MAX_WDS:
2423 local->wds_max_connections = value;
2424 break;
2425
2426 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2427 if (local->ap != NULL) {
2428 if (!local->ap->autom_ap_wds && value) {
2429 /* add WDS link to all APs in STA table */
2430 hostap_add_wds_links(local);
2431 }
2432 local->ap->autom_ap_wds = value;
2433 }
2434 break;
2435
2436 case PRISM2_PARAM_AP_AUTH_ALGS:
2437 local->auth_algs = value;
2438 if (hostap_set_auth_algs(local))
2439 ret = -EINVAL;
2440 break;
2441
2442 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2443 local->monitor_allow_fcserr = value;
2444 break;
2445
2446 case PRISM2_PARAM_HOST_ENCRYPT:
2447 local->host_encrypt = value;
2448 if (hostap_set_encryption(local) ||
2449 local->func->reset_port(dev))
2450 ret = -EINVAL;
2451 break;
2452
2453 case PRISM2_PARAM_HOST_DECRYPT:
2454 local->host_decrypt = value;
2455 if (hostap_set_encryption(local) ||
2456 local->func->reset_port(dev))
2457 ret = -EINVAL;
2458 break;
2459
2460 #ifndef PRISM2_NO_STATION_MODES
2461 case PRISM2_PARAM_HOST_ROAMING:
2462 if (value < 0 || value > 2) {
2463 ret = -EINVAL;
2464 break;
2465 }
2466 local->host_roaming = value;
2467 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2468 ret = -EINVAL;
2469 break;
2470 #endif /* PRISM2_NO_STATION_MODES */
2471
2472 case PRISM2_PARAM_BCRX_STA_KEY:
2473 local->bcrx_sta_key = value;
2474 break;
2475
2476 case PRISM2_PARAM_IEEE_802_1X:
2477 local->ieee_802_1x = value;
2478 break;
2479
2480 case PRISM2_PARAM_ANTSEL_TX:
2481 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2482 ret = -EINVAL;
2483 break;
2484 }
2485 local->antsel_tx = value;
2486 hostap_set_antsel(local);
2487 break;
2488
2489 case PRISM2_PARAM_ANTSEL_RX:
2490 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2491 ret = -EINVAL;
2492 break;
2493 }
2494 local->antsel_rx = value;
2495 hostap_set_antsel(local);
2496 break;
2497
2498 case PRISM2_PARAM_MONITOR_TYPE:
2499 if (value != PRISM2_MONITOR_80211 &&
2500 value != PRISM2_MONITOR_CAPHDR &&
2501 value != PRISM2_MONITOR_PRISM &&
2502 value != PRISM2_MONITOR_RADIOTAP) {
2503 ret = -EINVAL;
2504 break;
2505 }
2506 local->monitor_type = value;
2507 if (local->iw_mode == IW_MODE_MONITOR)
2508 hostap_monitor_set_type(local);
2509 break;
2510
2511 case PRISM2_PARAM_WDS_TYPE:
2512 local->wds_type = value;
2513 break;
2514
2515 case PRISM2_PARAM_HOSTSCAN:
2516 {
2517 struct hfa384x_hostscan_request scan_req;
2518 u16 rate;
2519
2520 memset(&scan_req, 0, sizeof(scan_req));
2521 scan_req.channel_list = cpu_to_le16(0x3fff);
2522 switch (value) {
2523 case 1: rate = HFA384X_RATES_1MBPS; break;
2524 case 2: rate = HFA384X_RATES_2MBPS; break;
2525 case 3: rate = HFA384X_RATES_5MBPS; break;
2526 case 4: rate = HFA384X_RATES_11MBPS; break;
2527 default: rate = HFA384X_RATES_1MBPS; break;
2528 }
2529 scan_req.txrate = cpu_to_le16(rate);
2530 /* leave SSID empty to accept all SSIDs */
2531
2532 if (local->iw_mode == IW_MODE_MASTER) {
2533 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2534 HFA384X_PORTTYPE_BSS) ||
2535 local->func->reset_port(dev))
2536 printk(KERN_DEBUG "Leaving Host AP mode "
2537 "for HostScan failed\n");
2538 }
2539
2540 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2541 sizeof(scan_req))) {
2542 printk(KERN_DEBUG "HOSTSCAN failed\n");
2543 ret = -EINVAL;
2544 }
2545 if (local->iw_mode == IW_MODE_MASTER) {
2546 wait_queue_t __wait;
2547 init_waitqueue_entry(&__wait, current);
2548 add_wait_queue(&local->hostscan_wq, &__wait);
2549 set_current_state(TASK_INTERRUPTIBLE);
2550 schedule_timeout(HZ);
2551 if (signal_pending(current))
2552 ret = -EINTR;
2553 set_current_state(TASK_RUNNING);
2554 remove_wait_queue(&local->hostscan_wq, &__wait);
2555
2556 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2557 HFA384X_PORTTYPE_HOSTAP) ||
2558 local->func->reset_port(dev))
2559 printk(KERN_DEBUG "Returning to Host AP mode "
2560 "after HostScan failed\n");
2561 }
2562 break;
2563 }
2564
2565 case PRISM2_PARAM_AP_SCAN:
2566 local->passive_scan_interval = value;
2567 if (timer_pending(&local->passive_scan_timer))
2568 del_timer(&local->passive_scan_timer);
2569 if (value > 0) {
2570 local->passive_scan_timer.expires = jiffies +
2571 local->passive_scan_interval * HZ;
2572 add_timer(&local->passive_scan_timer);
2573 }
2574 break;
2575
2576 case PRISM2_PARAM_ENH_SEC:
2577 if (value < 0 || value > 3) {
2578 ret = -EINVAL;
2579 break;
2580 }
2581 local->enh_sec = value;
2582 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2583 local->enh_sec) ||
2584 local->func->reset_port(dev)) {
2585 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2586 "1.6.3 or newer\n", dev->name);
2587 ret = -EOPNOTSUPP;
2588 }
2589 break;
2590
2591 #ifdef PRISM2_IO_DEBUG
2592 case PRISM2_PARAM_IO_DEBUG:
2593 local->io_debug_enabled = value;
2594 break;
2595 #endif /* PRISM2_IO_DEBUG */
2596
2597 case PRISM2_PARAM_BASIC_RATES:
2598 if ((value & local->tx_rate_control) != value || value == 0) {
2599 printk(KERN_INFO "%s: invalid basic rate set - basic "
2600 "rates must be in supported rate set\n",
2601 dev->name);
2602 ret = -EINVAL;
2603 break;
2604 }
2605 local->basic_rates = value;
2606 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2607 local->basic_rates) ||
2608 local->func->reset_port(dev))
2609 ret = -EINVAL;
2610 break;
2611
2612 case PRISM2_PARAM_OPER_RATES:
2613 local->tx_rate_control = value;
2614 if (hostap_set_rate(dev))
2615 ret = -EINVAL;
2616 break;
2617
2618 case PRISM2_PARAM_HOSTAPD:
2619 ret = hostap_set_hostapd(local, value, 1);
2620 break;
2621
2622 case PRISM2_PARAM_HOSTAPD_STA:
2623 ret = hostap_set_hostapd_sta(local, value, 1);
2624 break;
2625
2626 case PRISM2_PARAM_WPA:
2627 local->wpa = value;
2628 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2629 ret = -EOPNOTSUPP;
2630 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2631 value ? 1 : 0))
2632 ret = -EINVAL;
2633 break;
2634
2635 case PRISM2_PARAM_PRIVACY_INVOKED:
2636 local->privacy_invoked = value;
2637 if (hostap_set_encryption(local) ||
2638 local->func->reset_port(dev))
2639 ret = -EINVAL;
2640 break;
2641
2642 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2643 local->tkip_countermeasures = value;
2644 break;
2645
2646 case PRISM2_PARAM_DROP_UNENCRYPTED:
2647 local->drop_unencrypted = value;
2648 break;
2649
2650 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2651 local->scan_channel_mask = value;
2652 break;
2653
2654 default:
2655 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2656 dev->name, param);
2657 ret = -EOPNOTSUPP;
2658 break;
2659 }
2660
2661 return ret;
2662 }
2663
2664
2665 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2666 struct iw_request_info *info,
2667 void *wrqu, char *extra)
2668 {
2669 struct hostap_interface *iface;
2670 local_info_t *local;
2671 int *param = (int *) extra;
2672 int ret = 0;
2673
2674 iface = netdev_priv(dev);
2675 local = iface->local;
2676
2677 switch (*param) {
2678 case PRISM2_PARAM_TXRATECTRL:
2679 *param = local->fw_tx_rate_control;
2680 break;
2681
2682 case PRISM2_PARAM_BEACON_INT:
2683 *param = local->beacon_int;
2684 break;
2685
2686 case PRISM2_PARAM_PSEUDO_IBSS:
2687 *param = local->pseudo_adhoc;
2688 break;
2689
2690 case PRISM2_PARAM_ALC:
2691 ret = -EOPNOTSUPP; /* FIX */
2692 break;
2693
2694 case PRISM2_PARAM_DUMP:
2695 *param = local->frame_dump;
2696 break;
2697
2698 case PRISM2_PARAM_OTHER_AP_POLICY:
2699 if (local->ap != NULL)
2700 *param = local->ap->ap_policy;
2701 else
2702 ret = -EOPNOTSUPP;
2703 break;
2704
2705 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2706 if (local->ap != NULL)
2707 *param = local->ap->max_inactivity / HZ;
2708 else
2709 ret = -EOPNOTSUPP;
2710 break;
2711
2712 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2713 if (local->ap != NULL)
2714 *param = local->ap->bridge_packets;
2715 else
2716 ret = -EOPNOTSUPP;
2717 break;
2718
2719 case PRISM2_PARAM_DTIM_PERIOD:
2720 *param = local->dtim_period;
2721 break;
2722
2723 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2724 if (local->ap != NULL)
2725 *param = local->ap->nullfunc_ack;
2726 else
2727 ret = -EOPNOTSUPP;
2728 break;
2729
2730 case PRISM2_PARAM_MAX_WDS:
2731 *param = local->wds_max_connections;
2732 break;
2733
2734 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2735 if (local->ap != NULL)
2736 *param = local->ap->autom_ap_wds;
2737 else
2738 ret = -EOPNOTSUPP;
2739 break;
2740
2741 case PRISM2_PARAM_AP_AUTH_ALGS:
2742 *param = local->auth_algs;
2743 break;
2744
2745 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2746 *param = local->monitor_allow_fcserr;
2747 break;
2748
2749 case PRISM2_PARAM_HOST_ENCRYPT:
2750 *param = local->host_encrypt;
2751 break;
2752
2753 case PRISM2_PARAM_HOST_DECRYPT:
2754 *param = local->host_decrypt;
2755 break;
2756
2757 case PRISM2_PARAM_HOST_ROAMING:
2758 *param = local->host_roaming;
2759 break;
2760
2761 case PRISM2_PARAM_BCRX_STA_KEY:
2762 *param = local->bcrx_sta_key;
2763 break;
2764
2765 case PRISM2_PARAM_IEEE_802_1X:
2766 *param = local->ieee_802_1x;
2767 break;
2768
2769 case PRISM2_PARAM_ANTSEL_TX:
2770 *param = local->antsel_tx;
2771 break;
2772
2773 case PRISM2_PARAM_ANTSEL_RX:
2774 *param = local->antsel_rx;
2775 break;
2776
2777 case PRISM2_PARAM_MONITOR_TYPE:
2778 *param = local->monitor_type;
2779 break;
2780
2781 case PRISM2_PARAM_WDS_TYPE:
2782 *param = local->wds_type;
2783 break;
2784
2785 case PRISM2_PARAM_HOSTSCAN:
2786 ret = -EOPNOTSUPP;
2787 break;
2788
2789 case PRISM2_PARAM_AP_SCAN:
2790 *param = local->passive_scan_interval;
2791 break;
2792
2793 case PRISM2_PARAM_ENH_SEC:
2794 *param = local->enh_sec;
2795 break;
2796
2797 #ifdef PRISM2_IO_DEBUG
2798 case PRISM2_PARAM_IO_DEBUG:
2799 *param = local->io_debug_enabled;
2800 break;
2801 #endif /* PRISM2_IO_DEBUG */
2802
2803 case PRISM2_PARAM_BASIC_RATES:
2804 *param = local->basic_rates;
2805 break;
2806
2807 case PRISM2_PARAM_OPER_RATES:
2808 *param = local->tx_rate_control;
2809 break;
2810
2811 case PRISM2_PARAM_HOSTAPD:
2812 *param = local->hostapd;
2813 break;
2814
2815 case PRISM2_PARAM_HOSTAPD_STA:
2816 *param = local->hostapd_sta;
2817 break;
2818
2819 case PRISM2_PARAM_WPA:
2820 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2821 ret = -EOPNOTSUPP;
2822 *param = local->wpa;
2823 break;
2824
2825 case PRISM2_PARAM_PRIVACY_INVOKED:
2826 *param = local->privacy_invoked;
2827 break;
2828
2829 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2830 *param = local->tkip_countermeasures;
2831 break;
2832
2833 case PRISM2_PARAM_DROP_UNENCRYPTED:
2834 *param = local->drop_unencrypted;
2835 break;
2836
2837 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2838 *param = local->scan_channel_mask;
2839 break;
2840
2841 default:
2842 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2843 dev->name, *param);
2844 ret = -EOPNOTSUPP;
2845 break;
2846 }
2847
2848 return ret;
2849 }
2850
2851
2852 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2853 struct iw_request_info *info,
2854 void *wrqu, char *extra)
2855 {
2856 struct hostap_interface *iface;
2857 local_info_t *local;
2858 u16 resp0;
2859
2860 iface = netdev_priv(dev);
2861 local = iface->local;
2862
2863 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2864 &resp0))
2865 return -EOPNOTSUPP;
2866 else
2867 *extra = resp0;
2868
2869 return 0;
2870 }
2871
2872
2873 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2874 struct iw_request_info *info,
2875 void *wrqu, char *extra)
2876 {
2877 struct hostap_interface *iface;
2878 local_info_t *local;
2879 u16 cr, val;
2880
2881 iface = netdev_priv(dev);
2882 local = iface->local;
2883
2884 cr = *extra;
2885 val = *(extra + 1);
2886 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2887 return -EOPNOTSUPP;
2888
2889 return 0;
2890 }
2891
2892
2893 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2894 {
2895 struct hostap_interface *iface;
2896 local_info_t *local;
2897 int ret = 0;
2898 u32 mode;
2899
2900 iface = netdev_priv(dev);
2901 local = iface->local;
2902
2903 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2904 "- update software to use iwconfig mode monitor\n",
2905 dev->name, task_pid_nr(current), current->comm);
2906
2907 /* Backward compatibility code - this can be removed at some point */
2908
2909 if (*i == 0) {
2910 /* Disable monitor mode - old mode was not saved, so go to
2911 * Master mode */
2912 mode = IW_MODE_MASTER;
2913 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2914 } else if (*i == 1) {
2915 /* netlink socket mode is not supported anymore since it did
2916 * not separate different devices from each other and was not
2917 * best method for delivering large amount of packets to
2918 * user space */
2919 ret = -EOPNOTSUPP;
2920 } else if (*i == 2 || *i == 3) {
2921 switch (*i) {
2922 case 2:
2923 local->monitor_type = PRISM2_MONITOR_80211;
2924 break;
2925 case 3:
2926 local->monitor_type = PRISM2_MONITOR_PRISM;
2927 break;
2928 }
2929 mode = IW_MODE_MONITOR;
2930 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2931 hostap_monitor_mode_enable(local);
2932 } else
2933 ret = -EINVAL;
2934
2935 return ret;
2936 }
2937
2938
2939 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2940 {
2941 struct hostap_interface *iface;
2942 local_info_t *local;
2943
2944 iface = netdev_priv(dev);
2945 local = iface->local;
2946
2947 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2948 switch (*i) {
2949 case 0:
2950 /* Disable and enable card */
2951 local->func->hw_shutdown(dev, 1);
2952 local->func->hw_config(dev, 0);
2953 break;
2954
2955 case 1:
2956 /* COR sreset */
2957 local->func->hw_reset(dev);
2958 break;
2959
2960 case 2:
2961 /* Disable and enable port 0 */
2962 local->func->reset_port(dev);
2963 break;
2964
2965 case 3:
2966 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2967 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2968 NULL))
2969 return -EINVAL;
2970 break;
2971
2972 case 4:
2973 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2974 NULL))
2975 return -EINVAL;
2976 break;
2977
2978 default:
2979 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2980 return -EOPNOTSUPP;
2981 }
2982
2983 return 0;
2984 }
2985
2986
2987 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2988 {
2989 int rid = *i;
2990 int value = *(i + 1);
2991
2992 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2993
2994 if (hostap_set_word(dev, rid, value))
2995 return -EINVAL;
2996
2997 return 0;
2998 }
2999
3000
3001 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3002 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3003 {
3004 int ret = 0;
3005
3006 switch (*cmd) {
3007 case AP_MAC_CMD_POLICY_OPEN:
3008 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3009 break;
3010 case AP_MAC_CMD_POLICY_ALLOW:
3011 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3012 break;
3013 case AP_MAC_CMD_POLICY_DENY:
3014 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3015 break;
3016 case AP_MAC_CMD_FLUSH:
3017 ap_control_flush_macs(&local->ap->mac_restrictions);
3018 break;
3019 case AP_MAC_CMD_KICKALL:
3020 ap_control_kickall(local->ap);
3021 hostap_deauth_all_stas(local->dev, local->ap, 0);
3022 break;
3023 default:
3024 ret = -EOPNOTSUPP;
3025 break;
3026 }
3027
3028 return ret;
3029 }
3030 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3031
3032
3033 #ifdef PRISM2_DOWNLOAD_SUPPORT
3034 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3035 {
3036 struct prism2_download_param *param;
3037 int ret = 0;
3038
3039 if (p->length < sizeof(struct prism2_download_param) ||
3040 p->length > 1024 || !p->pointer)
3041 return -EINVAL;
3042
3043 param = kmalloc(p->length, GFP_KERNEL);
3044 if (param == NULL)
3045 return -ENOMEM;
3046
3047 if (copy_from_user(param, p->pointer, p->length)) {
3048 ret = -EFAULT;
3049 goto out;
3050 }
3051
3052 if (p->length < sizeof(struct prism2_download_param) +
3053 param->num_areas * sizeof(struct prism2_download_area)) {
3054 ret = -EINVAL;
3055 goto out;
3056 }
3057
3058 ret = local->func->download(local, param);
3059
3060 out:
3061 kfree(param);
3062 return ret;
3063 }
3064 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3065
3066
3067 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3068 size_t len)
3069 {
3070 struct hostap_interface *iface = netdev_priv(dev);
3071 local_info_t *local = iface->local;
3072 u8 *buf;
3073
3074 /*
3075 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3076 * includes it.
3077 */
3078 buf = kmalloc(len + 2, GFP_KERNEL);
3079 if (buf == NULL)
3080 return -ENOMEM;
3081
3082 *((__le16 *) buf) = cpu_to_le16(len);
3083 memcpy(buf + 2, elem, len);
3084
3085 kfree(local->generic_elem);
3086 local->generic_elem = buf;
3087 local->generic_elem_len = len + 2;
3088
3089 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3090 buf, len + 2);
3091 }
3092
3093
3094 static int prism2_ioctl_siwauth(struct net_device *dev,
3095 struct iw_request_info *info,
3096 struct iw_param *data, char *extra)
3097 {
3098 struct hostap_interface *iface = netdev_priv(dev);
3099 local_info_t *local = iface->local;
3100
3101 switch (data->flags & IW_AUTH_INDEX) {
3102 case IW_AUTH_WPA_VERSION:
3103 case IW_AUTH_CIPHER_PAIRWISE:
3104 case IW_AUTH_CIPHER_GROUP:
3105 case IW_AUTH_KEY_MGMT:
3106 /*
3107 * Host AP driver does not use these parameters and allows
3108 * wpa_supplicant to control them internally.
3109 */
3110 break;
3111 case IW_AUTH_TKIP_COUNTERMEASURES:
3112 local->tkip_countermeasures = data->value;
3113 break;
3114 case IW_AUTH_DROP_UNENCRYPTED:
3115 local->drop_unencrypted = data->value;
3116 break;
3117 case IW_AUTH_80211_AUTH_ALG:
3118 local->auth_algs = data->value;
3119 break;
3120 case IW_AUTH_WPA_ENABLED:
3121 if (data->value == 0) {
3122 local->wpa = 0;
3123 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3124 break;
3125 prism2_set_genericelement(dev, "", 0);
3126 local->host_roaming = 0;
3127 local->privacy_invoked = 0;
3128 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3129 0) ||
3130 hostap_set_roaming(local) ||
3131 hostap_set_encryption(local) ||
3132 local->func->reset_port(dev))
3133 return -EINVAL;
3134 break;
3135 }
3136 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3137 return -EOPNOTSUPP;
3138 local->host_roaming = 2;
3139 local->privacy_invoked = 1;
3140 local->wpa = 1;
3141 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3142 hostap_set_roaming(local) ||
3143 hostap_set_encryption(local) ||
3144 local->func->reset_port(dev))
3145 return -EINVAL;
3146 break;
3147 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3148 local->ieee_802_1x = data->value;
3149 break;
3150 case IW_AUTH_PRIVACY_INVOKED:
3151 local->privacy_invoked = data->value;
3152 break;
3153 default:
3154 return -EOPNOTSUPP;
3155 }
3156 return 0;
3157 }
3158
3159
3160 static int prism2_ioctl_giwauth(struct net_device *dev,
3161 struct iw_request_info *info,
3162 struct iw_param *data, char *extra)
3163 {
3164 struct hostap_interface *iface = netdev_priv(dev);
3165 local_info_t *local = iface->local;
3166
3167 switch (data->flags & IW_AUTH_INDEX) {
3168 case IW_AUTH_WPA_VERSION:
3169 case IW_AUTH_CIPHER_PAIRWISE:
3170 case IW_AUTH_CIPHER_GROUP:
3171 case IW_AUTH_KEY_MGMT:
3172 /*
3173 * Host AP driver does not use these parameters and allows
3174 * wpa_supplicant to control them internally.
3175 */
3176 return -EOPNOTSUPP;
3177 case IW_AUTH_TKIP_COUNTERMEASURES:
3178 data->value = local->tkip_countermeasures;
3179 break;
3180 case IW_AUTH_DROP_UNENCRYPTED:
3181 data->value = local->drop_unencrypted;
3182 break;
3183 case IW_AUTH_80211_AUTH_ALG:
3184 data->value = local->auth_algs;
3185 break;
3186 case IW_AUTH_WPA_ENABLED:
3187 data->value = local->wpa;
3188 break;
3189 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3190 data->value = local->ieee_802_1x;
3191 break;
3192 default:
3193 return -EOPNOTSUPP;
3194 }
3195 return 0;
3196 }
3197
3198
3199 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3200 struct iw_request_info *info,
3201 struct iw_point *erq, char *extra)
3202 {
3203 struct hostap_interface *iface = netdev_priv(dev);
3204 local_info_t *local = iface->local;
3205 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3206 int i, ret = 0;
3207 struct lib80211_crypto_ops *ops;
3208 struct lib80211_crypt_data **crypt;
3209 void *sta_ptr;
3210 u8 *addr;
3211 const char *alg, *module;
3212
3213 i = erq->flags & IW_ENCODE_INDEX;
3214 if (i > WEP_KEYS)
3215 return -EINVAL;
3216 if (i < 1 || i > WEP_KEYS)
3217 i = local->crypt_info.tx_keyidx;
3218 else
3219 i--;
3220 if (i < 0 || i >= WEP_KEYS)
3221 return -EINVAL;
3222
3223 addr = ext->addr.sa_data;
3224 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3225 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3226 sta_ptr = NULL;
3227 crypt = &local->crypt_info.crypt[i];
3228 } else {
3229 if (i != 0)
3230 return -EINVAL;
3231 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3232 if (sta_ptr == NULL) {
3233 if (local->iw_mode == IW_MODE_INFRA) {
3234 /*
3235 * TODO: add STA entry for the current AP so
3236 * that unicast key can be used. For now, this
3237 * is emulated by using default key idx 0.
3238 */
3239 i = 0;
3240 crypt = &local->crypt_info.crypt[i];
3241 } else
3242 return -EINVAL;
3243 }
3244 }
3245
3246 if ((erq->flags & IW_ENCODE_DISABLED) ||
3247 ext->alg == IW_ENCODE_ALG_NONE) {
3248 if (*crypt)
3249 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3250 goto done;
3251 }
3252
3253 switch (ext->alg) {
3254 case IW_ENCODE_ALG_WEP:
3255 alg = "WEP";
3256 module = "lib80211_crypt_wep";
3257 break;
3258 case IW_ENCODE_ALG_TKIP:
3259 alg = "TKIP";
3260 module = "lib80211_crypt_tkip";
3261 break;
3262 case IW_ENCODE_ALG_CCMP:
3263 alg = "CCMP";
3264 module = "lib80211_crypt_ccmp";
3265 break;
3266 default:
3267 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3268 local->dev->name, ext->alg);
3269 ret = -EOPNOTSUPP;
3270 goto done;
3271 }
3272
3273 ops = lib80211_get_crypto_ops(alg);
3274 if (ops == NULL) {
3275 request_module(module);
3276 ops = lib80211_get_crypto_ops(alg);
3277 }
3278 if (ops == NULL) {
3279 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3280 local->dev->name, alg);
3281 ret = -EOPNOTSUPP;
3282 goto done;
3283 }
3284
3285 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3286 /*
3287 * Per station encryption and other than WEP algorithms
3288 * require host-based encryption, so force them on
3289 * automatically.
3290 */
3291 local->host_decrypt = local->host_encrypt = 1;
3292 }
3293
3294 if (*crypt == NULL || (*crypt)->ops != ops) {
3295 struct lib80211_crypt_data *new_crypt;
3296
3297 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3298
3299 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3300 GFP_KERNEL);
3301 if (new_crypt == NULL) {
3302 ret = -ENOMEM;
3303 goto done;
3304 }
3305 new_crypt->ops = ops;
3306 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3307 new_crypt->priv = new_crypt->ops->init(i);
3308 if (new_crypt->priv == NULL) {
3309 kfree(new_crypt);
3310 ret = -EINVAL;
3311 goto done;
3312 }
3313
3314 *crypt = new_crypt;
3315 }
3316
3317 /*
3318 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3319 * existing seq# should not be changed.
3320 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3321 * should be changed to something else than zero.
3322 */
3323 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3324 && (*crypt)->ops->set_key &&
3325 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3326 (*crypt)->priv) < 0) {
3327 printk(KERN_DEBUG "%s: key setting failed\n",
3328 local->dev->name);
3329 ret = -EINVAL;
3330 goto done;
3331 }
3332
3333 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3334 if (!sta_ptr)
3335 local->crypt_info.tx_keyidx = i;
3336 }
3337
3338
3339 if (sta_ptr == NULL && ext->key_len > 0) {
3340 int first = 1, j;
3341 for (j = 0; j < WEP_KEYS; j++) {
3342 if (j != i && local->crypt_info.crypt[j]) {
3343 first = 0;
3344 break;
3345 }
3346 }
3347 if (first)
3348 local->crypt_info.tx_keyidx = i;
3349 }
3350
3351 done:
3352 if (sta_ptr)
3353 hostap_handle_sta_release(sta_ptr);
3354
3355 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3356
3357 /*
3358 * Do not reset port0 if card is in Managed mode since resetting will
3359 * generate new IEEE 802.11 authentication which may end up in looping
3360 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3361 * after WEP configuration. However, keys are apparently changed at
3362 * least in Managed mode.
3363 */
3364 if (ret == 0 &&
3365 (hostap_set_encryption(local) ||
3366 (local->iw_mode != IW_MODE_INFRA &&
3367 local->func->reset_port(local->dev))))
3368 ret = -EINVAL;
3369
3370 return ret;
3371 }
3372
3373
3374 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3375 struct iw_request_info *info,
3376 struct iw_point *erq, char *extra)
3377 {
3378 struct hostap_interface *iface = netdev_priv(dev);
3379 local_info_t *local = iface->local;
3380 struct lib80211_crypt_data **crypt;
3381 void *sta_ptr;
3382 int max_key_len, i;
3383 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3384 u8 *addr;
3385
3386 max_key_len = erq->length - sizeof(*ext);
3387 if (max_key_len < 0)
3388 return -EINVAL;
3389
3390 i = erq->flags & IW_ENCODE_INDEX;
3391 if (i < 1 || i > WEP_KEYS)
3392 i = local->crypt_info.tx_keyidx;
3393 else
3394 i--;
3395
3396 addr = ext->addr.sa_data;
3397 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3398 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3399 sta_ptr = NULL;
3400 crypt = &local->crypt_info.crypt[i];
3401 } else {
3402 i = 0;
3403 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3404 if (sta_ptr == NULL)
3405 return -EINVAL;
3406 }
3407 erq->flags = i + 1;
3408 memset(ext, 0, sizeof(*ext));
3409
3410 if (*crypt == NULL || (*crypt)->ops == NULL) {
3411 ext->alg = IW_ENCODE_ALG_NONE;
3412 ext->key_len = 0;
3413 erq->flags |= IW_ENCODE_DISABLED;
3414 } else {
3415 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3416 ext->alg = IW_ENCODE_ALG_WEP;
3417 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3418 ext->alg = IW_ENCODE_ALG_TKIP;
3419 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3420 ext->alg = IW_ENCODE_ALG_CCMP;
3421 else
3422 return -EINVAL;
3423
3424 if ((*crypt)->ops->get_key) {
3425 ext->key_len =
3426 (*crypt)->ops->get_key(ext->key,
3427 max_key_len,
3428 ext->tx_seq,
3429 (*crypt)->priv);
3430 if (ext->key_len &&
3431 (ext->alg == IW_ENCODE_ALG_TKIP ||
3432 ext->alg == IW_ENCODE_ALG_CCMP))
3433 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3434 }
3435 }
3436
3437 if (sta_ptr)
3438 hostap_handle_sta_release(sta_ptr);
3439
3440 return 0;
3441 }
3442
3443
3444 static int prism2_ioctl_set_encryption(local_info_t *local,
3445 struct prism2_hostapd_param *param,
3446 int param_len)
3447 {
3448 int ret = 0;
3449 struct lib80211_crypto_ops *ops;
3450 struct lib80211_crypt_data **crypt;
3451 void *sta_ptr;
3452
3453 param->u.crypt.err = 0;
3454 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3455
3456 if (param_len !=
3457 (int) ((char *) param->u.crypt.key - (char *) param) +
3458 param->u.crypt.key_len)
3459 return -EINVAL;
3460
3461 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3462 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3463 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3464 if (param->u.crypt.idx >= WEP_KEYS)
3465 return -EINVAL;
3466 sta_ptr = NULL;
3467 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3468 } else {
3469 if (param->u.crypt.idx)
3470 return -EINVAL;
3471 sta_ptr = ap_crypt_get_ptrs(
3472 local->ap, param->sta_addr,
3473 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3474 &crypt);
3475
3476 if (sta_ptr == NULL) {
3477 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3478 return -EINVAL;
3479 }
3480 }
3481
3482 if (strcmp(param->u.crypt.alg, "none") == 0) {
3483 if (crypt)
3484 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3485 goto done;
3486 }
3487
3488 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3489 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3490 request_module("lib80211_crypt_wep");
3491 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3492 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3493 request_module("lib80211_crypt_tkip");
3494 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3495 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3496 request_module("lib80211_crypt_ccmp");
3497 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3498 }
3499 if (ops == NULL) {
3500 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3501 local->dev->name, param->u.crypt.alg);
3502 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3503 ret = -EINVAL;
3504 goto done;
3505 }
3506
3507 /* station based encryption and other than WEP algorithms require
3508 * host-based encryption, so force them on automatically */
3509 local->host_decrypt = local->host_encrypt = 1;
3510
3511 if (*crypt == NULL || (*crypt)->ops != ops) {
3512 struct lib80211_crypt_data *new_crypt;
3513
3514 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3515
3516 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3517 GFP_KERNEL);
3518 if (new_crypt == NULL) {
3519 ret = -ENOMEM;
3520 goto done;
3521 }
3522 new_crypt->ops = ops;
3523 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3524 if (new_crypt->priv == NULL) {
3525 kfree(new_crypt);
3526 param->u.crypt.err =
3527 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3528 ret = -EINVAL;
3529 goto done;
3530 }
3531
3532 *crypt = new_crypt;
3533 }
3534
3535 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3536 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3537 (*crypt)->ops->set_key(param->u.crypt.key,
3538 param->u.crypt.key_len, param->u.crypt.seq,
3539 (*crypt)->priv) < 0) {
3540 printk(KERN_DEBUG "%s: key setting failed\n",
3541 local->dev->name);
3542 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3543 ret = -EINVAL;
3544 goto done;
3545 }
3546
3547 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3548 if (!sta_ptr)
3549 local->crypt_info.tx_keyidx = param->u.crypt.idx;
3550 else if (param->u.crypt.idx) {
3551 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3552 local->dev->name);
3553 param->u.crypt.err =
3554 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3555 ret = -EINVAL;
3556 goto done;
3557 }
3558 }
3559
3560 done:
3561 if (sta_ptr)
3562 hostap_handle_sta_release(sta_ptr);
3563
3564 /* Do not reset port0 if card is in Managed mode since resetting will
3565 * generate new IEEE 802.11 authentication which may end up in looping
3566 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3567 * after WEP configuration. However, keys are apparently changed at
3568 * least in Managed mode. */
3569 if (ret == 0 &&
3570 (hostap_set_encryption(local) ||
3571 (local->iw_mode != IW_MODE_INFRA &&
3572 local->func->reset_port(local->dev)))) {
3573 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3574 return -EINVAL;
3575 }
3576
3577 return ret;
3578 }
3579
3580
3581 static int prism2_ioctl_get_encryption(local_info_t *local,
3582 struct prism2_hostapd_param *param,
3583 int param_len)
3584 {
3585 struct lib80211_crypt_data **crypt;
3586 void *sta_ptr;
3587 int max_key_len;
3588
3589 param->u.crypt.err = 0;
3590
3591 max_key_len = param_len -
3592 (int) ((char *) param->u.crypt.key - (char *) param);
3593 if (max_key_len < 0)
3594 return -EINVAL;
3595
3596 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3597 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3598 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3599 sta_ptr = NULL;
3600 if (param->u.crypt.idx >= WEP_KEYS)
3601 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3602 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3603 } else {
3604 param->u.crypt.idx = 0;
3605 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3606 &crypt);
3607
3608 if (sta_ptr == NULL) {
3609 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3610 return -EINVAL;
3611 }
3612 }
3613
3614 if (*crypt == NULL || (*crypt)->ops == NULL) {
3615 memcpy(param->u.crypt.alg, "none", 5);
3616 param->u.crypt.key_len = 0;
3617 param->u.crypt.idx = 0xff;
3618 } else {
3619 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3620 HOSTAP_CRYPT_ALG_NAME_LEN);
3621 param->u.crypt.key_len = 0;
3622
3623 memset(param->u.crypt.seq, 0, 8);
3624 if ((*crypt)->ops->get_key) {
3625 param->u.crypt.key_len =
3626 (*crypt)->ops->get_key(param->u.crypt.key,
3627 max_key_len,
3628 param->u.crypt.seq,
3629 (*crypt)->priv);
3630 }
3631 }
3632
3633 if (sta_ptr)
3634 hostap_handle_sta_release(sta_ptr);
3635
3636 return 0;
3637 }
3638
3639
3640 static int prism2_ioctl_get_rid(local_info_t *local,
3641 struct prism2_hostapd_param *param,
3642 int param_len)
3643 {
3644 int max_len, res;
3645
3646 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3647 if (max_len < 0)
3648 return -EINVAL;
3649
3650 res = local->func->get_rid(local->dev, param->u.rid.rid,
3651 param->u.rid.data, param->u.rid.len, 0);
3652 if (res >= 0) {
3653 param->u.rid.len = res;
3654 return 0;
3655 }
3656
3657 return res;
3658 }
3659
3660
3661 static int prism2_ioctl_set_rid(local_info_t *local,
3662 struct prism2_hostapd_param *param,
3663 int param_len)
3664 {
3665 int max_len;
3666
3667 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3668 if (max_len < 0 || max_len < param->u.rid.len)
3669 return -EINVAL;
3670
3671 return local->func->set_rid(local->dev, param->u.rid.rid,
3672 param->u.rid.data, param->u.rid.len);
3673 }
3674
3675
3676 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3677 struct prism2_hostapd_param *param,
3678 int param_len)
3679 {
3680 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3681 local->dev->name, param->sta_addr);
3682 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3683 return 0;
3684 }
3685
3686
3687 static int prism2_ioctl_siwgenie(struct net_device *dev,
3688 struct iw_request_info *info,
3689 struct iw_point *data, char *extra)
3690 {
3691 return prism2_set_genericelement(dev, extra, data->length);
3692 }
3693
3694
3695 static int prism2_ioctl_giwgenie(struct net_device *dev,
3696 struct iw_request_info *info,
3697 struct iw_point *data, char *extra)
3698 {
3699 struct hostap_interface *iface = netdev_priv(dev);
3700 local_info_t *local = iface->local;
3701 int len = local->generic_elem_len - 2;
3702
3703 if (len <= 0 || local->generic_elem == NULL) {
3704 data->length = 0;
3705 return 0;
3706 }
3707
3708 if (data->length < len)
3709 return -E2BIG;
3710
3711 data->length = len;
3712 memcpy(extra, local->generic_elem + 2, len);
3713
3714 return 0;
3715 }
3716
3717
3718 static int prism2_ioctl_set_generic_element(local_info_t *local,
3719 struct prism2_hostapd_param *param,
3720 int param_len)
3721 {
3722 int max_len, len;
3723
3724 len = param->u.generic_elem.len;
3725 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3726 if (max_len < 0 || max_len < len)
3727 return -EINVAL;
3728
3729 return prism2_set_genericelement(local->dev,
3730 param->u.generic_elem.data, len);
3731 }
3732
3733
3734 static int prism2_ioctl_siwmlme(struct net_device *dev,
3735 struct iw_request_info *info,
3736 struct iw_point *data, char *extra)
3737 {
3738 struct hostap_interface *iface = netdev_priv(dev);
3739 local_info_t *local = iface->local;
3740 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3741 __le16 reason;
3742
3743 reason = cpu_to_le16(mlme->reason_code);
3744
3745 switch (mlme->cmd) {
3746 case IW_MLME_DEAUTH:
3747 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3748 IEEE80211_STYPE_DEAUTH,
3749 (u8 *) &reason, 2);
3750 case IW_MLME_DISASSOC:
3751 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3752 IEEE80211_STYPE_DISASSOC,
3753 (u8 *) &reason, 2);
3754 default:
3755 return -EOPNOTSUPP;
3756 }
3757 }
3758
3759
3760 static int prism2_ioctl_mlme(local_info_t *local,
3761 struct prism2_hostapd_param *param)
3762 {
3763 __le16 reason;
3764
3765 reason = cpu_to_le16(param->u.mlme.reason_code);
3766 switch (param->u.mlme.cmd) {
3767 case MLME_STA_DEAUTH:
3768 return prism2_sta_send_mgmt(local, param->sta_addr,
3769 IEEE80211_STYPE_DEAUTH,
3770 (u8 *) &reason, 2);
3771 case MLME_STA_DISASSOC:
3772 return prism2_sta_send_mgmt(local, param->sta_addr,
3773 IEEE80211_STYPE_DISASSOC,
3774 (u8 *) &reason, 2);
3775 default:
3776 return -EOPNOTSUPP;
3777 }
3778 }
3779
3780
3781 static int prism2_ioctl_scan_req(local_info_t *local,
3782 struct prism2_hostapd_param *param)
3783 {
3784 #ifndef PRISM2_NO_STATION_MODES
3785 if ((local->iw_mode != IW_MODE_INFRA &&
3786 local->iw_mode != IW_MODE_ADHOC) ||
3787 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3788 return -EOPNOTSUPP;
3789
3790 if (!local->dev_enabled)
3791 return -ENETDOWN;
3792
3793 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3794 param->u.scan_req.ssid_len);
3795 #else /* PRISM2_NO_STATION_MODES */
3796 return -EOPNOTSUPP;
3797 #endif /* PRISM2_NO_STATION_MODES */
3798 }
3799
3800
3801 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3802 {
3803 struct prism2_hostapd_param *param;
3804 int ret = 0;
3805 int ap_ioctl = 0;
3806
3807 if (p->length < sizeof(struct prism2_hostapd_param) ||
3808 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3809 return -EINVAL;
3810
3811 param = kmalloc(p->length, GFP_KERNEL);
3812 if (param == NULL)
3813 return -ENOMEM;
3814
3815 if (copy_from_user(param, p->pointer, p->length)) {
3816 ret = -EFAULT;
3817 goto out;
3818 }
3819
3820 switch (param->cmd) {
3821 case PRISM2_SET_ENCRYPTION:
3822 ret = prism2_ioctl_set_encryption(local, param, p->length);
3823 break;
3824 case PRISM2_GET_ENCRYPTION:
3825 ret = prism2_ioctl_get_encryption(local, param, p->length);
3826 break;
3827 case PRISM2_HOSTAPD_GET_RID:
3828 ret = prism2_ioctl_get_rid(local, param, p->length);
3829 break;
3830 case PRISM2_HOSTAPD_SET_RID:
3831 ret = prism2_ioctl_set_rid(local, param, p->length);
3832 break;
3833 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3834 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3835 break;
3836 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3837 ret = prism2_ioctl_set_generic_element(local, param,
3838 p->length);
3839 break;
3840 case PRISM2_HOSTAPD_MLME:
3841 ret = prism2_ioctl_mlme(local, param);
3842 break;
3843 case PRISM2_HOSTAPD_SCAN_REQ:
3844 ret = prism2_ioctl_scan_req(local, param);
3845 break;
3846 default:
3847 ret = prism2_hostapd(local->ap, param);
3848 ap_ioctl = 1;
3849 break;
3850 }
3851
3852 if (ret == 1 || !ap_ioctl) {
3853 if (copy_to_user(p->pointer, param, p->length)) {
3854 ret = -EFAULT;
3855 goto out;
3856 } else if (ap_ioctl)
3857 ret = 0;
3858 }
3859
3860 out:
3861 kfree(param);
3862 return ret;
3863 }
3864
3865
3866 static void prism2_get_drvinfo(struct net_device *dev,
3867 struct ethtool_drvinfo *info)
3868 {
3869 struct hostap_interface *iface;
3870 local_info_t *local;
3871
3872 iface = netdev_priv(dev);
3873 local = iface->local;
3874
3875 strlcpy(info->driver, "hostap", sizeof(info->driver));
3876 snprintf(info->fw_version, sizeof(info->fw_version),
3877 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3878 (local->sta_fw_ver >> 8) & 0xff,
3879 local->sta_fw_ver & 0xff);
3880 }
3881
3882 const struct ethtool_ops prism2_ethtool_ops = {
3883 .get_drvinfo = prism2_get_drvinfo
3884 };
3885
3886
3887 /* Structures to export the Wireless Handlers */
3888
3889 static const iw_handler prism2_handler[] =
3890 {
3891 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3892 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3893 (iw_handler) NULL, /* SIOCSIWNWID */
3894 (iw_handler) NULL, /* SIOCGIWNWID */
3895 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3896 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3897 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3898 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3899 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3900 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3901 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3902 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3903 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3904 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3905 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3906 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3907 iw_handler_set_spy, /* SIOCSIWSPY */
3908 iw_handler_get_spy, /* SIOCGIWSPY */
3909 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3910 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3911 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3912 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3913 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3914 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3915 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3916 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3917 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3918 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3919 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3920 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3921 (iw_handler) NULL, /* -- hole -- */
3922 (iw_handler) NULL, /* -- hole -- */
3923 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3924 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3925 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3926 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3927 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3928 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3929 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3930 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3931 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3932 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3933 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3934 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3935 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3936 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3937 (iw_handler) NULL, /* -- hole -- */
3938 (iw_handler) NULL, /* -- hole -- */
3939 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3940 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3941 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3942 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3943 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3944 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3945 (iw_handler) NULL, /* SIOCSIWPMKSA */
3946 (iw_handler) NULL, /* -- hole -- */
3947 };
3948
3949 static const iw_handler prism2_private_handler[] =
3950 { /* SIOCIWFIRSTPRIV + */
3951 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3952 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3953 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3954 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3955 };
3956
3957 const struct iw_handler_def hostap_iw_handler_def =
3958 {
3959 .num_standard = ARRAY_SIZE(prism2_handler),
3960 .num_private = ARRAY_SIZE(prism2_private_handler),
3961 .num_private_args = ARRAY_SIZE(prism2_priv),
3962 .standard = (iw_handler *) prism2_handler,
3963 .private = (iw_handler *) prism2_private_handler,
3964 .private_args = (struct iw_priv_args *) prism2_priv,
3965 .get_wireless_stats = hostap_get_wireless_stats,
3966 };
3967
3968
3969 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3970 {
3971 struct iwreq *wrq = (struct iwreq *) ifr;
3972 struct hostap_interface *iface;
3973 local_info_t *local;
3974 int ret = 0;
3975
3976 iface = netdev_priv(dev);
3977 local = iface->local;
3978
3979 switch (cmd) {
3980 /* Private ioctls (iwpriv) that have not yet been converted
3981 * into new wireless extensions API */
3982
3983 case PRISM2_IOCTL_INQUIRE:
3984 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3985 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3986 break;
3987
3988 case PRISM2_IOCTL_MONITOR:
3989 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3990 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3991 break;
3992
3993 case PRISM2_IOCTL_RESET:
3994 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3995 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3996 break;
3997
3998 case PRISM2_IOCTL_WDS_ADD:
3999 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4000 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4001 break;
4002
4003 case PRISM2_IOCTL_WDS_DEL:
4004 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4005 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4006 break;
4007
4008 case PRISM2_IOCTL_SET_RID_WORD:
4009 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4010 else ret = prism2_ioctl_priv_set_rid_word(dev,
4011 (int *) wrq->u.name);
4012 break;
4013
4014 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4015 case PRISM2_IOCTL_MACCMD:
4016 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4017 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4018 break;
4019
4020 case PRISM2_IOCTL_ADDMAC:
4021 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4022 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4023 wrq->u.ap_addr.sa_data);
4024 break;
4025 case PRISM2_IOCTL_DELMAC:
4026 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4027 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4028 wrq->u.ap_addr.sa_data);
4029 break;
4030 case PRISM2_IOCTL_KICKMAC:
4031 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4032 else ret = ap_control_kick_mac(local->ap, local->dev,
4033 wrq->u.ap_addr.sa_data);
4034 break;
4035 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4036
4037
4038 /* Private ioctls that are not used with iwpriv;
4039 * in SIOCDEVPRIVATE range */
4040
4041 #ifdef PRISM2_DOWNLOAD_SUPPORT
4042 case PRISM2_IOCTL_DOWNLOAD:
4043 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4044 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4045 break;
4046 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4047
4048 case PRISM2_IOCTL_HOSTAPD:
4049 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4050 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4051 break;
4052
4053 default:
4054 ret = -EOPNOTSUPP;
4055 break;
4056 }
4057
4058 return ret;
4059 }