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drivers/net: Remove pointless checks for NULL prior to calling kfree()
[linux-2.6/libata-dev.git] / drivers / net / wireless / hostap / hostap_ioctl.c
blob2617d70bcda945814a96fbdf7fde59f79930cdb1
1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
2
3 #ifdef in_atomic
4 /* Get kernel_locked() for in_atomic() */
5 #include <linux/smp_lock.h>
6 #endif
7 #include <linux/ethtool.h>
8
9
10 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
11 {
12 struct hostap_interface *iface;
13 local_info_t *local;
14 struct iw_statistics *wstats;
15
16 iface = netdev_priv(dev);
17 local = iface->local;
18
19 /* Why are we doing that ? Jean II */
20 if (iface->type != HOSTAP_INTERFACE_MAIN)
21 return NULL;
22
23 wstats = &local->wstats;
24
25 wstats->status = 0;
26 wstats->discard.code =
27 local->comm_tallies.rx_discards_wep_undecryptable;
28 wstats->discard.misc =
29 local->comm_tallies.rx_fcs_errors +
30 local->comm_tallies.rx_discards_no_buffer +
31 local->comm_tallies.tx_discards_wrong_sa;
32
33 wstats->discard.retries =
34 local->comm_tallies.tx_retry_limit_exceeded;
35 wstats->discard.fragment =
36 local->comm_tallies.rx_message_in_bad_msg_fragments;
37
38 if (local->iw_mode != IW_MODE_MASTER &&
39 local->iw_mode != IW_MODE_REPEAT) {
40 int update = 1;
41 #ifdef in_atomic
42 /* RID reading might sleep and it must not be called in
43 * interrupt context or while atomic. However, this
44 * function seems to be called while atomic (at least in Linux
45 * 2.5.59). Update signal quality values only if in suitable
46 * context. Otherwise, previous values read from tick timer
47 * will be used. */
48 if (in_atomic())
49 update = 0;
50 #endif /* in_atomic */
51
52 if (update && prism2_update_comms_qual(dev) == 0)
53 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
54 IW_QUAL_DBM;
55
56 wstats->qual.qual = local->comms_qual;
57 wstats->qual.level = local->avg_signal;
58 wstats->qual.noise = local->avg_noise;
59 } else {
60 wstats->qual.qual = 0;
61 wstats->qual.level = 0;
62 wstats->qual.noise = 0;
63 wstats->qual.updated = IW_QUAL_ALL_INVALID;
64 }
65
66 return wstats;
67 }
68
69
70 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
71 {
72 struct hostap_interface *iface;
73 local_info_t *local;
74 u8 buf[12];
75 int len;
76 u16 val;
77
78 iface = netdev_priv(dev);
79 local = iface->local;
80
81 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
82 sizeof(buf), 0);
83 if (len < 2)
84 return 0;
85
86 val = le16_to_cpu(*(u16 *) buf); /* string length */
87
88 if (len - 2 < val || val > 10)
89 return 0;
90
91 memcpy(rates, buf + 2, val);
92 return val;
93 }
94
95
96 static int prism2_get_name(struct net_device *dev,
97 struct iw_request_info *info,
98 char *name, char *extra)
99 {
100 u8 rates[10];
101 int len, i, over2 = 0;
102
103 len = prism2_get_datarates(dev, rates);
104
105 for (i = 0; i < len; i++) {
106 if (rates[i] == 0x0b || rates[i] == 0x16) {
107 over2 = 1;
108 break;
109 }
110 }
111
112 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
113
114 return 0;
115 }
116
117
118 static void prism2_crypt_delayed_deinit(local_info_t *local,
119 struct ieee80211_crypt_data **crypt)
120 {
121 struct ieee80211_crypt_data *tmp;
122 unsigned long flags;
123
124 tmp = *crypt;
125 *crypt = NULL;
126
127 if (tmp == NULL)
128 return;
129
130 /* must not run ops->deinit() while there may be pending encrypt or
131 * decrypt operations. Use a list of delayed deinits to avoid needing
132 * locking. */
133
134 spin_lock_irqsave(&local->lock, flags);
135 list_add(&tmp->list, &local->crypt_deinit_list);
136 if (!timer_pending(&local->crypt_deinit_timer)) {
137 local->crypt_deinit_timer.expires = jiffies + HZ;
138 add_timer(&local->crypt_deinit_timer);
139 }
140 spin_unlock_irqrestore(&local->lock, flags);
141 }
142
143
144 static int prism2_ioctl_siwencode(struct net_device *dev,
145 struct iw_request_info *info,
146 struct iw_point *erq, char *keybuf)
147 {
148 struct hostap_interface *iface;
149 local_info_t *local;
150 int i;
151 struct ieee80211_crypt_data **crypt;
152
153 iface = netdev_priv(dev);
154 local = iface->local;
155
156 i = erq->flags & IW_ENCODE_INDEX;
157 if (i < 1 || i > 4)
158 i = local->tx_keyidx;
159 else
160 i--;
161 if (i < 0 || i >= WEP_KEYS)
162 return -EINVAL;
163
164 crypt = &local->crypt[i];
165
166 if (erq->flags & IW_ENCODE_DISABLED) {
167 if (*crypt)
168 prism2_crypt_delayed_deinit(local, crypt);
169 goto done;
170 }
171
172 if (*crypt != NULL && (*crypt)->ops != NULL &&
173 strcmp((*crypt)->ops->name, "WEP") != 0) {
174 /* changing to use WEP; deinit previously used algorithm */
175 prism2_crypt_delayed_deinit(local, crypt);
176 }
177
178 if (*crypt == NULL) {
179 struct ieee80211_crypt_data *new_crypt;
180
181 /* take WEP into use */
182 new_crypt = (struct ieee80211_crypt_data *)
183 kmalloc(sizeof(struct ieee80211_crypt_data),
184 GFP_KERNEL);
185 if (new_crypt == NULL)
186 return -ENOMEM;
187 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
188 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
189 if (!new_crypt->ops) {
190 request_module("ieee80211_crypt_wep");
191 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
192 }
193 if (new_crypt->ops)
194 new_crypt->priv = new_crypt->ops->init(i);
195 if (!new_crypt->ops || !new_crypt->priv) {
196 kfree(new_crypt);
197 new_crypt = NULL;
198
199 printk(KERN_WARNING "%s: could not initialize WEP: "
200 "load module hostap_crypt_wep.o\n",
201 dev->name);
202 return -EOPNOTSUPP;
203 }
204 *crypt = new_crypt;
205 }
206
207 if (erq->length > 0) {
208 int len = erq->length <= 5 ? 5 : 13;
209 int first = 1, j;
210 if (len > erq->length)
211 memset(keybuf + erq->length, 0, len - erq->length);
212 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
213 for (j = 0; j < WEP_KEYS; j++) {
214 if (j != i && local->crypt[j]) {
215 first = 0;
216 break;
217 }
218 }
219 if (first)
220 local->tx_keyidx = i;
221 } else {
222 /* No key data - just set the default TX key index */
223 local->tx_keyidx = i;
224 }
225
226 done:
227 local->open_wep = erq->flags & IW_ENCODE_OPEN;
228
229 if (hostap_set_encryption(local)) {
230 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
231 return -EINVAL;
232 }
233
234 /* Do not reset port0 if card is in Managed mode since resetting will
235 * generate new IEEE 802.11 authentication which may end up in looping
236 * with IEEE 802.1X. Prism2 documentation seem to require port reset
237 * after WEP configuration. However, keys are apparently changed at
238 * least in Managed mode. */
239 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
240 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
241 return -EINVAL;
242 }
243
244 return 0;
245 }
246
247
248 static int prism2_ioctl_giwencode(struct net_device *dev,
249 struct iw_request_info *info,
250 struct iw_point *erq, char *key)
251 {
252 struct hostap_interface *iface;
253 local_info_t *local;
254 int i, len;
255 u16 val;
256 struct ieee80211_crypt_data *crypt;
257
258 iface = netdev_priv(dev);
259 local = iface->local;
260
261 i = erq->flags & IW_ENCODE_INDEX;
262 if (i < 1 || i > 4)
263 i = local->tx_keyidx;
264 else
265 i--;
266 if (i < 0 || i >= WEP_KEYS)
267 return -EINVAL;
268
269 crypt = local->crypt[i];
270 erq->flags = i + 1;
271
272 if (crypt == NULL || crypt->ops == NULL) {
273 erq->length = 0;
274 erq->flags |= IW_ENCODE_DISABLED;
275 return 0;
276 }
277
278 if (strcmp(crypt->ops->name, "WEP") != 0) {
279 /* only WEP is supported with wireless extensions, so just
280 * report that encryption is used */
281 erq->length = 0;
282 erq->flags |= IW_ENCODE_ENABLED;
283 return 0;
284 }
285
286 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
287 * the keys from driver buffer */
288 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
289 erq->length = (len >= 0 ? len : 0);
290
291 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
292 {
293 printk("CNFWEPFLAGS reading failed\n");
294 return -EOPNOTSUPP;
295 }
296 le16_to_cpus(&val);
297 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
298 erq->flags |= IW_ENCODE_ENABLED;
299 else
300 erq->flags |= IW_ENCODE_DISABLED;
301 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
302 erq->flags |= IW_ENCODE_RESTRICTED;
303 else
304 erq->flags |= IW_ENCODE_OPEN;
305
306 return 0;
307 }
308
309
310 static int hostap_set_rate(struct net_device *dev)
311 {
312 struct hostap_interface *iface;
313 local_info_t *local;
314 int ret, basic_rates;
315
316 iface = netdev_priv(dev);
317 local = iface->local;
318
319 basic_rates = local->basic_rates & local->tx_rate_control;
320 if (!basic_rates || basic_rates != local->basic_rates) {
321 printk(KERN_INFO "%s: updating basic rate set automatically "
322 "to match with the new supported rate set\n",
323 dev->name);
324 if (!basic_rates)
325 basic_rates = local->tx_rate_control;
326
327 local->basic_rates = basic_rates;
328 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
329 basic_rates))
330 printk(KERN_WARNING "%s: failed to set "
331 "cnfBasicRates\n", dev->name);
332 }
333
334 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
335 local->tx_rate_control) ||
336 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
337 local->tx_rate_control) ||
338 local->func->reset_port(dev));
339
340 if (ret) {
341 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
342 "setting to 0x%x failed\n",
343 dev->name, local->tx_rate_control);
344 }
345
346 /* Update TX rate configuration for all STAs based on new operational
347 * rate set. */
348 hostap_update_rates(local);
349
350 return ret;
351 }
352
353
354 static int prism2_ioctl_siwrate(struct net_device *dev,
355 struct iw_request_info *info,
356 struct iw_param *rrq, char *extra)
357 {
358 struct hostap_interface *iface;
359 local_info_t *local;
360
361 iface = netdev_priv(dev);
362 local = iface->local;
363
364 if (rrq->fixed) {
365 switch (rrq->value) {
366 case 11000000:
367 local->tx_rate_control = HFA384X_RATES_11MBPS;
368 break;
369 case 5500000:
370 local->tx_rate_control = HFA384X_RATES_5MBPS;
371 break;
372 case 2000000:
373 local->tx_rate_control = HFA384X_RATES_2MBPS;
374 break;
375 case 1000000:
376 local->tx_rate_control = HFA384X_RATES_1MBPS;
377 break;
378 default:
379 local->tx_rate_control = HFA384X_RATES_1MBPS |
380 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
381 HFA384X_RATES_11MBPS;
382 break;
383 }
384 } else {
385 switch (rrq->value) {
386 case 11000000:
387 local->tx_rate_control = HFA384X_RATES_1MBPS |
388 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
389 HFA384X_RATES_11MBPS;
390 break;
391 case 5500000:
392 local->tx_rate_control = HFA384X_RATES_1MBPS |
393 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
394 break;
395 case 2000000:
396 local->tx_rate_control = HFA384X_RATES_1MBPS |
397 HFA384X_RATES_2MBPS;
398 break;
399 case 1000000:
400 local->tx_rate_control = HFA384X_RATES_1MBPS;
401 break;
402 default:
403 local->tx_rate_control = HFA384X_RATES_1MBPS |
404 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
405 HFA384X_RATES_11MBPS;
406 break;
407 }
408 }
409
410 return hostap_set_rate(dev);
411 }
412
413
414 static int prism2_ioctl_giwrate(struct net_device *dev,
415 struct iw_request_info *info,
416 struct iw_param *rrq, char *extra)
417 {
418 u16 val;
419 struct hostap_interface *iface;
420 local_info_t *local;
421 int ret = 0;
422
423 iface = netdev_priv(dev);
424 local = iface->local;
425
426 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
427 0)
428 return -EINVAL;
429
430 if ((val & 0x1) && (val > 1))
431 rrq->fixed = 0;
432 else
433 rrq->fixed = 1;
434
435 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
436 !local->fw_tx_rate_control) {
437 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
438 * Host AP mode, so use the recorded TX rate of the last sent
439 * frame */
440 rrq->value = local->ap->last_tx_rate > 0 ?
441 local->ap->last_tx_rate * 100000 : 11000000;
442 return 0;
443 }
444
445 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
446 0)
447 return -EINVAL;
448
449 switch (val) {
450 case HFA384X_RATES_1MBPS:
451 rrq->value = 1000000;
452 break;
453 case HFA384X_RATES_2MBPS:
454 rrq->value = 2000000;
455 break;
456 case HFA384X_RATES_5MBPS:
457 rrq->value = 5500000;
458 break;
459 case HFA384X_RATES_11MBPS:
460 rrq->value = 11000000;
461 break;
462 default:
463 /* should not happen */
464 rrq->value = 11000000;
465 ret = -EINVAL;
466 break;
467 }
468
469 return ret;
470 }
471
472
473 static int prism2_ioctl_siwsens(struct net_device *dev,
474 struct iw_request_info *info,
475 struct iw_param *sens, char *extra)
476 {
477 struct hostap_interface *iface;
478 local_info_t *local;
479
480 iface = netdev_priv(dev);
481 local = iface->local;
482
483 /* Set the desired AP density */
484 if (sens->value < 1 || sens->value > 3)
485 return -EINVAL;
486
487 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
488 local->func->reset_port(dev))
489 return -EINVAL;
490
491 return 0;
492 }
493
494 static int prism2_ioctl_giwsens(struct net_device *dev,
495 struct iw_request_info *info,
496 struct iw_param *sens, char *extra)
497 {
498 struct hostap_interface *iface;
499 local_info_t *local;
500 u16 val;
501
502 iface = netdev_priv(dev);
503 local = iface->local;
504
505 /* Get the current AP density */
506 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
507 0)
508 return -EINVAL;
509
510 sens->value = __le16_to_cpu(val);
511 sens->fixed = 1;
512
513 return 0;
514 }
515
516
517 /* Deprecated in new wireless extension API */
518 static int prism2_ioctl_giwaplist(struct net_device *dev,
519 struct iw_request_info *info,
520 struct iw_point *data, char *extra)
521 {
522 struct hostap_interface *iface;
523 local_info_t *local;
524 struct sockaddr *addr;
525 struct iw_quality *qual;
526
527 iface = netdev_priv(dev);
528 local = iface->local;
529
530 if (local->iw_mode != IW_MODE_MASTER) {
531 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
532 "in Host AP mode\n");
533 data->length = 0;
534 return -EOPNOTSUPP;
535 }
536
537 addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
538 qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
539 if (addr == NULL || qual == NULL) {
540 kfree(addr);
541 kfree(qual);
542 data->length = 0;
543 return -ENOMEM;
544 }
545
546 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
547
548 memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
549 data->flags = 1; /* has quality information */
550 memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
551 sizeof(struct iw_quality) * data->length);
552
553 kfree(addr);
554 kfree(qual);
555 return 0;
556 }
557
558
559 static int prism2_ioctl_siwrts(struct net_device *dev,
560 struct iw_request_info *info,
561 struct iw_param *rts, char *extra)
562 {
563 struct hostap_interface *iface;
564 local_info_t *local;
565 u16 val;
566
567 iface = netdev_priv(dev);
568 local = iface->local;
569
570 if (rts->disabled)
571 val = __constant_cpu_to_le16(2347);
572 else if (rts->value < 0 || rts->value > 2347)
573 return -EINVAL;
574 else
575 val = __cpu_to_le16(rts->value);
576
577 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
578 local->func->reset_port(dev))
579 return -EINVAL;
580
581 local->rts_threshold = rts->value;
582
583 return 0;
584 }
585
586 static int prism2_ioctl_giwrts(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 u16 val;
593
594 iface = netdev_priv(dev);
595 local = iface->local;
596
597 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
598 0)
599 return -EINVAL;
600
601 rts->value = __le16_to_cpu(val);
602 rts->disabled = (rts->value == 2347);
603 rts->fixed = 1;
604
605 return 0;
606 }
607
608
609 static int prism2_ioctl_siwfrag(struct net_device *dev,
610 struct iw_request_info *info,
611 struct iw_param *rts, char *extra)
612 {
613 struct hostap_interface *iface;
614 local_info_t *local;
615 u16 val;
616
617 iface = netdev_priv(dev);
618 local = iface->local;
619
620 if (rts->disabled)
621 val = __constant_cpu_to_le16(2346);
622 else if (rts->value < 256 || rts->value > 2346)
623 return -EINVAL;
624 else
625 val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
626
627 local->fragm_threshold = rts->value & ~0x1;
628 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
629 2)
630 || local->func->reset_port(dev))
631 return -EINVAL;
632
633 return 0;
634 }
635
636 static int prism2_ioctl_giwfrag(struct net_device *dev,
637 struct iw_request_info *info,
638 struct iw_param *rts, char *extra)
639 {
640 struct hostap_interface *iface;
641 local_info_t *local;
642 u16 val;
643
644 iface = netdev_priv(dev);
645 local = iface->local;
646
647 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
648 &val, 2, 1) < 0)
649 return -EINVAL;
650
651 rts->value = __le16_to_cpu(val);
652 rts->disabled = (rts->value == 2346);
653 rts->fixed = 1;
654
655 return 0;
656 }
657
658
659 #ifndef PRISM2_NO_STATION_MODES
660 static int hostap_join_ap(struct net_device *dev)
661 {
662 struct hostap_interface *iface;
663 local_info_t *local;
664 struct hfa384x_join_request req;
665 unsigned long flags;
666 int i;
667 struct hfa384x_hostscan_result *entry;
668
669 iface = netdev_priv(dev);
670 local = iface->local;
671
672 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
673 req.channel = 0;
674
675 spin_lock_irqsave(&local->lock, flags);
676 for (i = 0; i < local->last_scan_results_count; i++) {
677 if (!local->last_scan_results)
678 break;
679 entry = &local->last_scan_results[i];
680 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
681 req.channel = entry->chid;
682 break;
683 }
684 }
685 spin_unlock_irqrestore(&local->lock, flags);
686
687 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
688 sizeof(req))) {
689 printk(KERN_DEBUG "%s: JoinRequest " MACSTR
690 " failed\n",
691 dev->name, MAC2STR(local->preferred_ap));
692 return -1;
693 }
694
695 printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
696 dev->name, MAC2STR(local->preferred_ap));
697
698 return 0;
699 }
700 #endif /* PRISM2_NO_STATION_MODES */
701
702
703 static int prism2_ioctl_siwap(struct net_device *dev,
704 struct iw_request_info *info,
705 struct sockaddr *ap_addr, char *extra)
706 {
707 #ifdef PRISM2_NO_STATION_MODES
708 return -EOPNOTSUPP;
709 #else /* PRISM2_NO_STATION_MODES */
710 struct hostap_interface *iface;
711 local_info_t *local;
712
713 iface = netdev_priv(dev);
714 local = iface->local;
715
716 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
717
718 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
719 struct hfa384x_scan_request scan_req;
720 memset(&scan_req, 0, sizeof(scan_req));
721 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
722 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
723 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
724 &scan_req, sizeof(scan_req))) {
725 printk(KERN_DEBUG "%s: ScanResults request failed - "
726 "preferred AP delayed to next unsolicited "
727 "scan\n", dev->name);
728 }
729 } else if (local->host_roaming == 2 &&
730 local->iw_mode == IW_MODE_INFRA) {
731 if (hostap_join_ap(dev))
732 return -EINVAL;
733 } else {
734 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
735 "in Managed mode when host_roaming is enabled\n",
736 dev->name);
737 }
738
739 return 0;
740 #endif /* PRISM2_NO_STATION_MODES */
741 }
742
743 static int prism2_ioctl_giwap(struct net_device *dev,
744 struct iw_request_info *info,
745 struct sockaddr *ap_addr, char *extra)
746 {
747 struct hostap_interface *iface;
748 local_info_t *local;
749
750 iface = netdev_priv(dev);
751 local = iface->local;
752
753 ap_addr->sa_family = ARPHRD_ETHER;
754 switch (iface->type) {
755 case HOSTAP_INTERFACE_AP:
756 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
757 break;
758 case HOSTAP_INTERFACE_STA:
759 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
760 break;
761 case HOSTAP_INTERFACE_WDS:
762 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
763 break;
764 default:
765 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
766 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
767 return -EOPNOTSUPP;
768
769 /* local->bssid is also updated in LinkStatus handler when in
770 * station mode */
771 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
772 break;
773 }
774
775 return 0;
776 }
777
778
779 static int prism2_ioctl_siwnickn(struct net_device *dev,
780 struct iw_request_info *info,
781 struct iw_point *data, char *nickname)
782 {
783 struct hostap_interface *iface;
784 local_info_t *local;
785
786 iface = netdev_priv(dev);
787 local = iface->local;
788
789 memset(local->name, 0, sizeof(local->name));
790 memcpy(local->name, nickname, data->length);
791 local->name_set = 1;
792
793 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
794 local->func->reset_port(dev))
795 return -EINVAL;
796
797 return 0;
798 }
799
800 static int prism2_ioctl_giwnickn(struct net_device *dev,
801 struct iw_request_info *info,
802 struct iw_point *data, char *nickname)
803 {
804 struct hostap_interface *iface;
805 local_info_t *local;
806 int len;
807 char name[MAX_NAME_LEN + 3];
808 u16 val;
809
810 iface = netdev_priv(dev);
811 local = iface->local;
812
813 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
814 &name, MAX_NAME_LEN + 2, 0);
815 val = __le16_to_cpu(*(u16 *) name);
816 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
817 return -EOPNOTSUPP;
818
819 name[val + 2] = '\0';
820 data->length = val + 1;
821 memcpy(nickname, name + 2, val + 1);
822
823 return 0;
824 }
825
826
827 static int prism2_ioctl_siwfreq(struct net_device *dev,
828 struct iw_request_info *info,
829 struct iw_freq *freq, char *extra)
830 {
831 struct hostap_interface *iface;
832 local_info_t *local;
833
834 iface = netdev_priv(dev);
835 local = iface->local;
836
837 /* freq => chan. */
838 if (freq->e == 1 &&
839 freq->m / 100000 >= freq_list[0] &&
840 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
841 int ch;
842 int fr = freq->m / 100000;
843 for (ch = 0; ch < FREQ_COUNT; ch++) {
844 if (fr == freq_list[ch]) {
845 freq->e = 0;
846 freq->m = ch + 1;
847 break;
848 }
849 }
850 }
851
852 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
853 !(local->channel_mask & (1 << (freq->m - 1))))
854 return -EINVAL;
855
856 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
857 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
858 local->func->reset_port(dev))
859 return -EINVAL;
860
861 return 0;
862 }
863
864 static int prism2_ioctl_giwfreq(struct net_device *dev,
865 struct iw_request_info *info,
866 struct iw_freq *freq, char *extra)
867 {
868 struct hostap_interface *iface;
869 local_info_t *local;
870 u16 val;
871
872 iface = netdev_priv(dev);
873 local = iface->local;
874
875 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
876 0)
877 return -EINVAL;
878
879 le16_to_cpus(&val);
880 if (val < 1 || val > FREQ_COUNT)
881 return -EINVAL;
882
883 freq->m = freq_list[val - 1] * 100000;
884 freq->e = 1;
885
886 return 0;
887 }
888
889
890 static void hostap_monitor_set_type(local_info_t *local)
891 {
892 struct net_device *dev = local->ddev;
893
894 if (dev == NULL)
895 return;
896
897 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
898 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
899 dev->type = ARPHRD_IEEE80211_PRISM;
900 dev->hard_header_parse =
901 hostap_80211_prism_header_parse;
902 } else {
903 dev->type = ARPHRD_IEEE80211;
904 dev->hard_header_parse = hostap_80211_header_parse;
905 }
906 }
907
908
909 static int prism2_ioctl_siwessid(struct net_device *dev,
910 struct iw_request_info *info,
911 struct iw_point *data, char *ssid)
912 {
913 struct hostap_interface *iface;
914 local_info_t *local;
915
916 iface = netdev_priv(dev);
917 local = iface->local;
918
919 if (iface->type == HOSTAP_INTERFACE_WDS)
920 return -EOPNOTSUPP;
921
922 if (data->flags == 0)
923 ssid[0] = '\0'; /* ANY */
924
925 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
926 /* Setting SSID to empty string seems to kill the card in
927 * Host AP mode */
928 printk(KERN_DEBUG "%s: Host AP mode does not support "
929 "'Any' essid\n", dev->name);
930 return -EINVAL;
931 }
932
933 memcpy(local->essid, ssid, data->length);
934 local->essid[data->length] = '\0';
935
936 if ((!local->fw_ap &&
937 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
938 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
939 local->func->reset_port(dev))
940 return -EINVAL;
941
942 return 0;
943 }
944
945 static int prism2_ioctl_giwessid(struct net_device *dev,
946 struct iw_request_info *info,
947 struct iw_point *data, char *essid)
948 {
949 struct hostap_interface *iface;
950 local_info_t *local;
951 u16 val;
952
953 iface = netdev_priv(dev);
954 local = iface->local;
955
956 if (iface->type == HOSTAP_INTERFACE_WDS)
957 return -EOPNOTSUPP;
958
959 data->flags = 1; /* active */
960 if (local->iw_mode == IW_MODE_MASTER) {
961 data->length = strlen(local->essid);
962 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
963 } else {
964 int len;
965 char ssid[MAX_SSID_LEN + 2];
966 memset(ssid, 0, sizeof(ssid));
967 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
968 &ssid, MAX_SSID_LEN + 2, 0);
969 val = __le16_to_cpu(*(u16 *) ssid);
970 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
971 return -EOPNOTSUPP;
972 }
973 data->length = val;
974 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
975 }
976
977 return 0;
978 }
979
980
981 static int prism2_ioctl_giwrange(struct net_device *dev,
982 struct iw_request_info *info,
983 struct iw_point *data, char *extra)
984 {
985 struct hostap_interface *iface;
986 local_info_t *local;
987 struct iw_range *range = (struct iw_range *) extra;
988 u8 rates[10];
989 u16 val;
990 int i, len, over2;
991
992 iface = netdev_priv(dev);
993 local = iface->local;
994
995 data->length = sizeof(struct iw_range);
996 memset(range, 0, sizeof(struct iw_range));
997
998 /* TODO: could fill num_txpower and txpower array with
999 * something; however, there are 128 different values.. */
1000
1001 range->txpower_capa = IW_TXPOW_DBM;
1002
1003 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1004 {
1005 range->min_pmp = 1 * 1024;
1006 range->max_pmp = 65535 * 1024;
1007 range->min_pmt = 1 * 1024;
1008 range->max_pmt = 1000 * 1024;
1009 range->pmp_flags = IW_POWER_PERIOD;
1010 range->pmt_flags = IW_POWER_TIMEOUT;
1011 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1012 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1013 }
1014
1015 range->we_version_compiled = WIRELESS_EXT;
1016 range->we_version_source = 18;
1017
1018 range->retry_capa = IW_RETRY_LIMIT;
1019 range->retry_flags = IW_RETRY_LIMIT;
1020 range->min_retry = 0;
1021 range->max_retry = 255;
1022
1023 range->num_channels = FREQ_COUNT;
1024
1025 val = 0;
1026 for (i = 0; i < FREQ_COUNT; i++) {
1027 if (local->channel_mask & (1 << i)) {
1028 range->freq[val].i = i + 1;
1029 range->freq[val].m = freq_list[i] * 100000;
1030 range->freq[val].e = 1;
1031 val++;
1032 }
1033 if (val == IW_MAX_FREQUENCIES)
1034 break;
1035 }
1036 range->num_frequency = val;
1037
1038 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1039 range->max_qual.qual = 70; /* what is correct max? This was not
1040 * documented exactly. At least
1041 * 69 has been observed. */
1042 range->max_qual.level = 0; /* dB */
1043 range->max_qual.noise = 0; /* dB */
1044
1045 /* What would be suitable values for "average/typical" qual? */
1046 range->avg_qual.qual = 20;
1047 range->avg_qual.level = -60;
1048 range->avg_qual.noise = -95;
1049 } else {
1050 range->max_qual.qual = 92; /* 0 .. 92 */
1051 range->max_qual.level = 154; /* 27 .. 154 */
1052 range->max_qual.noise = 154; /* 27 .. 154 */
1053 }
1054 range->sensitivity = 3;
1055
1056 range->max_encoding_tokens = WEP_KEYS;
1057 range->num_encoding_sizes = 2;
1058 range->encoding_size[0] = 5;
1059 range->encoding_size[1] = 13;
1060
1061 over2 = 0;
1062 len = prism2_get_datarates(dev, rates);
1063 range->num_bitrates = 0;
1064 for (i = 0; i < len; i++) {
1065 if (range->num_bitrates < IW_MAX_BITRATES) {
1066 range->bitrate[range->num_bitrates] =
1067 rates[i] * 500000;
1068 range->num_bitrates++;
1069 }
1070 if (rates[i] == 0x0b || rates[i] == 0x16)
1071 over2 = 1;
1072 }
1073 /* estimated maximum TCP throughput values (bps) */
1074 range->throughput = over2 ? 5500000 : 1500000;
1075
1076 range->min_rts = 0;
1077 range->max_rts = 2347;
1078 range->min_frag = 256;
1079 range->max_frag = 2346;
1080
1081 /* Event capability (kernel + driver) */
1082 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1083 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1084 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1085 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1086 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1087 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1088 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1089 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1090 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1091
1092 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1093 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1094
1095 return 0;
1096 }
1097
1098
1099 static int hostap_monitor_mode_enable(local_info_t *local)
1100 {
1101 struct net_device *dev = local->dev;
1102
1103 printk(KERN_DEBUG "Enabling monitor mode\n");
1104 hostap_monitor_set_type(local);
1105
1106 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1107 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1108 printk(KERN_DEBUG "Port type setting for monitor mode "
1109 "failed\n");
1110 return -EOPNOTSUPP;
1111 }
1112
1113 /* Host decrypt is needed to get the IV and ICV fields;
1114 * however, monitor mode seems to remove WEP flag from frame
1115 * control field */
1116 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1117 HFA384X_WEPFLAGS_HOSTENCRYPT |
1118 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1119 printk(KERN_DEBUG "WEP flags setting failed\n");
1120 return -EOPNOTSUPP;
1121 }
1122
1123 if (local->func->reset_port(dev) ||
1124 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1125 (HFA384X_TEST_MONITOR << 8),
1126 0, NULL, NULL)) {
1127 printk(KERN_DEBUG "Setting monitor mode failed\n");
1128 return -EOPNOTSUPP;
1129 }
1130
1131 return 0;
1132 }
1133
1134
1135 static int hostap_monitor_mode_disable(local_info_t *local)
1136 {
1137 struct net_device *dev = local->ddev;
1138
1139 if (dev == NULL)
1140 return -1;
1141
1142 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1143 dev->type = ARPHRD_ETHER;
1144 dev->hard_header_parse = local->saved_eth_header_parse;
1145 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1146 (HFA384X_TEST_STOP << 8),
1147 0, NULL, NULL))
1148 return -1;
1149 return hostap_set_encryption(local);
1150 }
1151
1152
1153 static int prism2_ioctl_siwmode(struct net_device *dev,
1154 struct iw_request_info *info,
1155 __u32 *mode, char *extra)
1156 {
1157 struct hostap_interface *iface;
1158 local_info_t *local;
1159 int double_reset = 0;
1160
1161 iface = netdev_priv(dev);
1162 local = iface->local;
1163
1164 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1165 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1166 *mode != IW_MODE_MONITOR)
1167 return -EOPNOTSUPP;
1168
1169 #ifdef PRISM2_NO_STATION_MODES
1170 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1171 return -EOPNOTSUPP;
1172 #endif /* PRISM2_NO_STATION_MODES */
1173
1174 if (*mode == local->iw_mode)
1175 return 0;
1176
1177 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1178 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1179 "mode\n", dev->name);
1180 return -EINVAL;
1181 }
1182
1183 if (local->iw_mode == IW_MODE_MONITOR)
1184 hostap_monitor_mode_disable(local);
1185
1186 if ((local->iw_mode == IW_MODE_ADHOC ||
1187 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1188 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1189 * that leaves beacon frames to use IBSS type when moving from
1190 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1191 * enough to workaround this. */
1192 double_reset = 1;
1193 }
1194
1195 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1196 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1197 local->iw_mode = *mode;
1198
1199 if (local->iw_mode == IW_MODE_MONITOR)
1200 hostap_monitor_mode_enable(local);
1201 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1202 !local->fw_encrypt_ok) {
1203 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1204 "a workaround for firmware bug in Host AP mode WEP\n",
1205 dev->name);
1206 local->host_encrypt = 1;
1207 }
1208
1209 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1210 hostap_get_porttype(local)))
1211 return -EOPNOTSUPP;
1212
1213 if (local->func->reset_port(dev))
1214 return -EINVAL;
1215 if (double_reset && local->func->reset_port(dev))
1216 return -EINVAL;
1217
1218 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1219 {
1220 /* netif_carrier is used only in client modes for now, so make
1221 * sure carrier is on when moving to non-client modes. */
1222 netif_carrier_on(local->dev);
1223 netif_carrier_on(local->ddev);
1224 }
1225 return 0;
1226 }
1227
1228
1229 static int prism2_ioctl_giwmode(struct net_device *dev,
1230 struct iw_request_info *info,
1231 __u32 *mode, char *extra)
1232 {
1233 struct hostap_interface *iface;
1234 local_info_t *local;
1235
1236 iface = netdev_priv(dev);
1237 local = iface->local;
1238
1239 switch (iface->type) {
1240 case HOSTAP_INTERFACE_STA:
1241 *mode = IW_MODE_INFRA;
1242 break;
1243 case HOSTAP_INTERFACE_WDS:
1244 *mode = IW_MODE_REPEAT;
1245 break;
1246 default:
1247 *mode = local->iw_mode;
1248 break;
1249 }
1250 return 0;
1251 }
1252
1253
1254 static int prism2_ioctl_siwpower(struct net_device *dev,
1255 struct iw_request_info *info,
1256 struct iw_param *wrq, char *extra)
1257 {
1258 #ifdef PRISM2_NO_STATION_MODES
1259 return -EOPNOTSUPP;
1260 #else /* PRISM2_NO_STATION_MODES */
1261 int ret = 0;
1262
1263 if (wrq->disabled)
1264 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1265
1266 switch (wrq->flags & IW_POWER_MODE) {
1267 case IW_POWER_UNICAST_R:
1268 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1269 if (ret)
1270 return ret;
1271 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1272 if (ret)
1273 return ret;
1274 break;
1275 case IW_POWER_ALL_R:
1276 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1277 if (ret)
1278 return ret;
1279 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1280 if (ret)
1281 return ret;
1282 break;
1283 case IW_POWER_ON:
1284 break;
1285 default:
1286 return -EINVAL;
1287 }
1288
1289 if (wrq->flags & IW_POWER_TIMEOUT) {
1290 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1291 if (ret)
1292 return ret;
1293 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1294 wrq->value / 1024);
1295 if (ret)
1296 return ret;
1297 }
1298 if (wrq->flags & IW_POWER_PERIOD) {
1299 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1300 if (ret)
1301 return ret;
1302 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1303 wrq->value / 1024);
1304 if (ret)
1305 return ret;
1306 }
1307
1308 return ret;
1309 #endif /* PRISM2_NO_STATION_MODES */
1310 }
1311
1312
1313 static int prism2_ioctl_giwpower(struct net_device *dev,
1314 struct iw_request_info *info,
1315 struct iw_param *rrq, char *extra)
1316 {
1317 #ifdef PRISM2_NO_STATION_MODES
1318 return -EOPNOTSUPP;
1319 #else /* PRISM2_NO_STATION_MODES */
1320 struct hostap_interface *iface;
1321 local_info_t *local;
1322 u16 enable, mcast;
1323
1324 iface = netdev_priv(dev);
1325 local = iface->local;
1326
1327 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1328 < 0)
1329 return -EINVAL;
1330
1331 if (!__le16_to_cpu(enable)) {
1332 rrq->disabled = 1;
1333 return 0;
1334 }
1335
1336 rrq->disabled = 0;
1337
1338 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1339 u16 timeout;
1340 if (local->func->get_rid(dev,
1341 HFA384X_RID_CNFPMHOLDOVERDURATION,
1342 &timeout, 2, 1) < 0)
1343 return -EINVAL;
1344
1345 rrq->flags = IW_POWER_TIMEOUT;
1346 rrq->value = __le16_to_cpu(timeout) * 1024;
1347 } else {
1348 u16 period;
1349 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1350 &period, 2, 1) < 0)
1351 return -EINVAL;
1352
1353 rrq->flags = IW_POWER_PERIOD;
1354 rrq->value = __le16_to_cpu(period) * 1024;
1355 }
1356
1357 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1358 2, 1) < 0)
1359 return -EINVAL;
1360
1361 if (__le16_to_cpu(mcast))
1362 rrq->flags |= IW_POWER_ALL_R;
1363 else
1364 rrq->flags |= IW_POWER_UNICAST_R;
1365
1366 return 0;
1367 #endif /* PRISM2_NO_STATION_MODES */
1368 }
1369
1370
1371 static int prism2_ioctl_siwretry(struct net_device *dev,
1372 struct iw_request_info *info,
1373 struct iw_param *rrq, char *extra)
1374 {
1375 struct hostap_interface *iface;
1376 local_info_t *local;
1377
1378 iface = netdev_priv(dev);
1379 local = iface->local;
1380
1381 if (rrq->disabled)
1382 return -EINVAL;
1383
1384 /* setting retry limits is not supported with the current station
1385 * firmware code; simulate this with alternative retry count for now */
1386 if (rrq->flags == IW_RETRY_LIMIT) {
1387 if (rrq->value < 0) {
1388 /* disable manual retry count setting and use firmware
1389 * defaults */
1390 local->manual_retry_count = -1;
1391 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1392 } else {
1393 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1394 rrq->value)) {
1395 printk(KERN_DEBUG "%s: Alternate retry count "
1396 "setting to %d failed\n",
1397 dev->name, rrq->value);
1398 return -EOPNOTSUPP;
1399 }
1400
1401 local->manual_retry_count = rrq->value;
1402 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1403 }
1404 return 0;
1405 }
1406
1407 return -EOPNOTSUPP;
1408
1409 #if 0
1410 /* what could be done, if firmware would support this.. */
1411
1412 if (rrq->flags & IW_RETRY_LIMIT) {
1413 if (rrq->flags & IW_RETRY_MAX)
1414 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1415 else if (rrq->flags & IW_RETRY_MIN)
1416 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1417 else {
1418 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1419 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1420 }
1421
1422 }
1423
1424 if (rrq->flags & IW_RETRY_LIFETIME) {
1425 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1426 }
1427
1428 return 0;
1429 #endif /* 0 */
1430 }
1431
1432 static int prism2_ioctl_giwretry(struct net_device *dev,
1433 struct iw_request_info *info,
1434 struct iw_param *rrq, char *extra)
1435 {
1436 struct hostap_interface *iface;
1437 local_info_t *local;
1438 u16 shortretry, longretry, lifetime, altretry;
1439
1440 iface = netdev_priv(dev);
1441 local = iface->local;
1442
1443 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1444 2, 1) < 0 ||
1445 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1446 2, 1) < 0 ||
1447 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1448 &lifetime, 2, 1) < 0)
1449 return -EINVAL;
1450
1451 le16_to_cpus(&shortretry);
1452 le16_to_cpus(&longretry);
1453 le16_to_cpus(&lifetime);
1454
1455 rrq->disabled = 0;
1456
1457 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1458 rrq->flags = IW_RETRY_LIFETIME;
1459 rrq->value = lifetime * 1024;
1460 } else {
1461 if (local->manual_retry_count >= 0) {
1462 rrq->flags = IW_RETRY_LIMIT;
1463 if (local->func->get_rid(dev,
1464 HFA384X_RID_CNFALTRETRYCOUNT,
1465 &altretry, 2, 1) >= 0)
1466 rrq->value = le16_to_cpu(altretry);
1467 else
1468 rrq->value = local->manual_retry_count;
1469 } else if ((rrq->flags & IW_RETRY_MAX)) {
1470 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1471 rrq->value = longretry;
1472 } else {
1473 rrq->flags = IW_RETRY_LIMIT;
1474 rrq->value = shortretry;
1475 if (shortretry != longretry)
1476 rrq->flags |= IW_RETRY_MIN;
1477 }
1478 }
1479 return 0;
1480 }
1481
1482
1483 /* Note! This TX power controlling is experimental and should not be used in
1484 * production use. It just sets raw power register and does not use any kind of
1485 * feedback information from the measured TX power (CR58). This is now
1486 * commented out to make sure that it is not used by accident. TX power
1487 * configuration will be enabled again after proper algorithm using feedback
1488 * has been implemented. */
1489
1490 #ifdef RAW_TXPOWER_SETTING
1491 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1492 * This version assumes following mapping:
1493 * CR31 is 7-bit value with -64 to +63 range.
1494 * -64 is mapped into +20dBm and +63 into -43dBm.
1495 * This is certainly not an exact mapping for every card, but at least
1496 * increasing dBm value should correspond to increasing TX power.
1497 */
1498
1499 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1500 {
1501 signed char tmp;
1502
1503 if (val > 255)
1504 val = 255;
1505
1506 tmp = val;
1507 tmp >>= 2;
1508
1509 return -12 - tmp;
1510 }
1511
1512 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1513 {
1514 signed char tmp;
1515
1516 if (val > 20)
1517 return 128;
1518 else if (val < -43)
1519 return 127;
1520
1521 tmp = val;
1522 tmp = -12 - tmp;
1523 tmp <<= 2;
1524
1525 return (unsigned char) tmp;
1526 }
1527 #endif /* RAW_TXPOWER_SETTING */
1528
1529
1530 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1531 struct iw_request_info *info,
1532 struct iw_param *rrq, char *extra)
1533 {
1534 struct hostap_interface *iface;
1535 local_info_t *local;
1536 #ifdef RAW_TXPOWER_SETTING
1537 char *tmp;
1538 #endif
1539 u16 val;
1540 int ret = 0;
1541
1542 iface = netdev_priv(dev);
1543 local = iface->local;
1544
1545 if (rrq->disabled) {
1546 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1547 val = 0xff; /* use all standby and sleep modes */
1548 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1549 HFA386X_CR_A_D_TEST_MODES2,
1550 &val, NULL);
1551 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1552 dev->name, ret ? "failed" : "OK");
1553 local->txpower_type = PRISM2_TXPOWER_OFF;
1554 }
1555 return (ret ? -EOPNOTSUPP : 0);
1556 }
1557
1558 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1559 val = 0; /* disable all standby and sleep modes */
1560 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1561 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1562 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1563 dev->name, ret ? "failed" : "OK");
1564 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1565 }
1566
1567 #ifdef RAW_TXPOWER_SETTING
1568 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1569 printk(KERN_DEBUG "Setting ALC on\n");
1570 val = HFA384X_TEST_CFG_BIT_ALC;
1571 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1572 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1573 local->txpower_type = PRISM2_TXPOWER_AUTO;
1574 return 0;
1575 }
1576
1577 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1578 printk(KERN_DEBUG "Setting ALC off\n");
1579 val = HFA384X_TEST_CFG_BIT_ALC;
1580 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1581 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1582 local->txpower_type = PRISM2_TXPOWER_FIXED;
1583 }
1584
1585 if (rrq->flags == IW_TXPOW_DBM)
1586 tmp = "dBm";
1587 else if (rrq->flags == IW_TXPOW_MWATT)
1588 tmp = "mW";
1589 else
1590 tmp = "UNKNOWN";
1591 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1592
1593 if (rrq->flags != IW_TXPOW_DBM) {
1594 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1595 return -EOPNOTSUPP;
1596 }
1597
1598 local->txpower = rrq->value;
1599 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1600 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1601 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1602 ret = -EOPNOTSUPP;
1603 #else /* RAW_TXPOWER_SETTING */
1604 if (rrq->fixed)
1605 ret = -EOPNOTSUPP;
1606 #endif /* RAW_TXPOWER_SETTING */
1607
1608 return ret;
1609 }
1610
1611 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1612 struct iw_request_info *info,
1613 struct iw_param *rrq, char *extra)
1614 {
1615 #ifdef RAW_TXPOWER_SETTING
1616 struct hostap_interface *iface;
1617 local_info_t *local;
1618 u16 resp0;
1619
1620 iface = netdev_priv(dev);
1621 local = iface->local;
1622
1623 rrq->flags = IW_TXPOW_DBM;
1624 rrq->disabled = 0;
1625 rrq->fixed = 0;
1626
1627 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1628 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1629 HFA386X_CR_MANUAL_TX_POWER,
1630 NULL, &resp0) == 0) {
1631 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1632 } else {
1633 /* Could not get real txpower; guess 15 dBm */
1634 rrq->value = 15;
1635 }
1636 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1637 rrq->value = 0;
1638 rrq->disabled = 1;
1639 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1640 rrq->value = local->txpower;
1641 rrq->fixed = 1;
1642 } else {
1643 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1644 local->txpower_type);
1645 }
1646 return 0;
1647 #else /* RAW_TXPOWER_SETTING */
1648 return -EOPNOTSUPP;
1649 #endif /* RAW_TXPOWER_SETTING */
1650 }
1651
1652
1653 #ifndef PRISM2_NO_STATION_MODES
1654
1655 /* HostScan request works with and without host_roaming mode. In addition, it
1656 * does not break current association. However, it requires newer station
1657 * firmware version (>= 1.3.1) than scan request. */
1658 static int prism2_request_hostscan(struct net_device *dev,
1659 u8 *ssid, u8 ssid_len)
1660 {
1661 struct hostap_interface *iface;
1662 local_info_t *local;
1663 struct hfa384x_hostscan_request scan_req;
1664
1665 iface = netdev_priv(dev);
1666 local = iface->local;
1667
1668 memset(&scan_req, 0, sizeof(scan_req));
1669 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1670 local->scan_channel_mask);
1671 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1672 if (ssid) {
1673 if (ssid_len > 32)
1674 return -EINVAL;
1675 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1676 memcpy(scan_req.target_ssid, ssid, ssid_len);
1677 }
1678
1679 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1680 sizeof(scan_req))) {
1681 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1682 return -EINVAL;
1683 }
1684 return 0;
1685 }
1686
1687
1688 static int prism2_request_scan(struct net_device *dev)
1689 {
1690 struct hostap_interface *iface;
1691 local_info_t *local;
1692 struct hfa384x_scan_request scan_req;
1693 int ret = 0;
1694
1695 iface = netdev_priv(dev);
1696 local = iface->local;
1697
1698 memset(&scan_req, 0, sizeof(scan_req));
1699 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1700 local->scan_channel_mask);
1701 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1702
1703 /* FIX:
1704 * It seems to be enough to set roaming mode for a short moment to
1705 * host-based and then setup scanrequest data and return the mode to
1706 * firmware-based.
1707 *
1708 * Master mode would need to drop to Managed mode for a short while
1709 * to make scanning work.. Or sweep through the different channels and
1710 * use passive scan based on beacons. */
1711
1712 if (!local->host_roaming)
1713 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1714 HFA384X_ROAMING_HOST);
1715
1716 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1717 sizeof(scan_req))) {
1718 printk(KERN_DEBUG "SCANREQUEST failed\n");
1719 ret = -EINVAL;
1720 }
1721
1722 if (!local->host_roaming)
1723 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1724 HFA384X_ROAMING_FIRMWARE);
1725
1726 return 0;
1727 }
1728
1729 #else /* !PRISM2_NO_STATION_MODES */
1730
1731 static inline int prism2_request_hostscan(struct net_device *dev,
1732 u8 *ssid, u8 ssid_len)
1733 {
1734 return -EOPNOTSUPP;
1735 }
1736
1737
1738 static inline int prism2_request_scan(struct net_device *dev)
1739 {
1740 return -EOPNOTSUPP;
1741 }
1742
1743 #endif /* !PRISM2_NO_STATION_MODES */
1744
1745
1746 static int prism2_ioctl_siwscan(struct net_device *dev,
1747 struct iw_request_info *info,
1748 struct iw_point *data, char *extra)
1749 {
1750 struct hostap_interface *iface;
1751 local_info_t *local;
1752 int ret;
1753 u8 *ssid = NULL, ssid_len = 0;
1754 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1755
1756 iface = netdev_priv(dev);
1757 local = iface->local;
1758
1759 if (data->length < sizeof(struct iw_scan_req))
1760 req = NULL;
1761
1762 if (local->iw_mode == IW_MODE_MASTER) {
1763 /* In master mode, we just return the results of our local
1764 * tables, so we don't need to start anything...
1765 * Jean II */
1766 data->length = 0;
1767 return 0;
1768 }
1769
1770 if (!local->dev_enabled)
1771 return -ENETDOWN;
1772
1773 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1774 ssid = req->essid;
1775 ssid_len = req->essid_len;
1776
1777 if (ssid_len &&
1778 ((local->iw_mode != IW_MODE_INFRA &&
1779 local->iw_mode != IW_MODE_ADHOC) ||
1780 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1781 return -EOPNOTSUPP;
1782 }
1783
1784 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1785 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1786 else
1787 ret = prism2_request_scan(dev);
1788
1789 if (ret == 0)
1790 local->scan_timestamp = jiffies;
1791
1792 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1793
1794 return ret;
1795 }
1796
1797
1798 #ifndef PRISM2_NO_STATION_MODES
1799 static char * __prism2_translate_scan(local_info_t *local,
1800 struct hfa384x_hostscan_result *scan,
1801 struct hostap_bss_info *bss,
1802 char *current_ev, char *end_buf)
1803 {
1804 int i, chan;
1805 struct iw_event iwe;
1806 char *current_val;
1807 u16 capabilities;
1808 u8 *pos;
1809 u8 *ssid, *bssid;
1810 size_t ssid_len;
1811 char *buf;
1812
1813 if (bss) {
1814 ssid = bss->ssid;
1815 ssid_len = bss->ssid_len;
1816 bssid = bss->bssid;
1817 } else {
1818 ssid = scan->ssid;
1819 ssid_len = le16_to_cpu(scan->ssid_len);
1820 bssid = scan->bssid;
1821 }
1822 if (ssid_len > 32)
1823 ssid_len = 32;
1824
1825 /* First entry *MUST* be the AP MAC address */
1826 memset(&iwe, 0, sizeof(iwe));
1827 iwe.cmd = SIOCGIWAP;
1828 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1829 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1830 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1831 IW_EV_ADDR_LEN);
1832
1833 /* Other entries will be displayed in the order we give them */
1834
1835 memset(&iwe, 0, sizeof(iwe));
1836 iwe.cmd = SIOCGIWESSID;
1837 iwe.u.data.length = ssid_len;
1838 iwe.u.data.flags = 1;
1839 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
1840
1841 memset(&iwe, 0, sizeof(iwe));
1842 iwe.cmd = SIOCGIWMODE;
1843 if (bss) {
1844 capabilities = bss->capab_info;
1845 } else {
1846 capabilities = le16_to_cpu(scan->capability);
1847 }
1848 if (capabilities & (WLAN_CAPABILITY_ESS |
1849 WLAN_CAPABILITY_IBSS)) {
1850 if (capabilities & WLAN_CAPABILITY_ESS)
1851 iwe.u.mode = IW_MODE_MASTER;
1852 else
1853 iwe.u.mode = IW_MODE_ADHOC;
1854 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1855 IW_EV_UINT_LEN);
1856 }
1857
1858 memset(&iwe, 0, sizeof(iwe));
1859 iwe.cmd = SIOCGIWFREQ;
1860 if (scan) {
1861 chan = scan->chid;
1862 } else if (bss) {
1863 chan = bss->chan;
1864 } else {
1865 chan = 0;
1866 }
1867
1868 if (chan > 0) {
1869 iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
1870 iwe.u.freq.e = 1;
1871 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1872 IW_EV_FREQ_LEN);
1873 }
1874
1875 if (scan) {
1876 memset(&iwe, 0, sizeof(iwe));
1877 iwe.cmd = IWEVQUAL;
1878 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1879 iwe.u.qual.level = le16_to_cpu(scan->sl);
1880 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1881 } else {
1882 iwe.u.qual.level =
1883 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1884 iwe.u.qual.noise =
1885 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1886 }
1887 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1888 | IW_QUAL_NOISE_UPDATED
1889 | IW_QUAL_QUAL_INVALID
1890 | IW_QUAL_DBM;
1891 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1892 IW_EV_QUAL_LEN);
1893 }
1894
1895 memset(&iwe, 0, sizeof(iwe));
1896 iwe.cmd = SIOCGIWENCODE;
1897 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1898 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1899 else
1900 iwe.u.data.flags = IW_ENCODE_DISABLED;
1901 iwe.u.data.length = 0;
1902 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
1903
1904 /* TODO: add SuppRates into BSS table */
1905 if (scan) {
1906 memset(&iwe, 0, sizeof(iwe));
1907 iwe.cmd = SIOCGIWRATE;
1908 current_val = current_ev + IW_EV_LCP_LEN;
1909 pos = scan->sup_rates;
1910 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1911 if (pos[i] == 0)
1912 break;
1913 /* Bit rate given in 500 kb/s units (+ 0x80) */
1914 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1915 current_val = iwe_stream_add_value(
1916 current_ev, current_val, end_buf, &iwe,
1917 IW_EV_PARAM_LEN);
1918 }
1919 /* Check if we added any event */
1920 if ((current_val - current_ev) > IW_EV_LCP_LEN)
1921 current_ev = current_val;
1922 }
1923
1924 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1925 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1926 if (buf && scan) {
1927 memset(&iwe, 0, sizeof(iwe));
1928 iwe.cmd = IWEVCUSTOM;
1929 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1930 iwe.u.data.length = strlen(buf);
1931 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1932 buf);
1933
1934 memset(&iwe, 0, sizeof(iwe));
1935 iwe.cmd = IWEVCUSTOM;
1936 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1937 iwe.u.data.length = strlen(buf);
1938 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1939 buf);
1940
1941 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1942 (capabilities & WLAN_CAPABILITY_IBSS)) {
1943 memset(&iwe, 0, sizeof(iwe));
1944 iwe.cmd = IWEVCUSTOM;
1945 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1946 iwe.u.data.length = strlen(buf);
1947 current_ev = iwe_stream_add_point(current_ev, end_buf,
1948 &iwe, buf);
1949 }
1950 }
1951 kfree(buf);
1952
1953 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1954 memset(&iwe, 0, sizeof(iwe));
1955 iwe.cmd = IWEVGENIE;
1956 iwe.u.data.length = bss->wpa_ie_len;
1957 current_ev = iwe_stream_add_point(
1958 current_ev, end_buf, &iwe, bss->wpa_ie);
1959 }
1960
1961 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1962 memset(&iwe, 0, sizeof(iwe));
1963 iwe.cmd = IWEVGENIE;
1964 iwe.u.data.length = bss->rsn_ie_len;
1965 current_ev = iwe_stream_add_point(
1966 current_ev, end_buf, &iwe, bss->rsn_ie);
1967 }
1968
1969 return current_ev;
1970 }
1971
1972
1973 /* Translate scan data returned from the card to a card independant
1974 * format that the Wireless Tools will understand - Jean II */
1975 static inline int prism2_translate_scan(local_info_t *local,
1976 char *buffer, int buflen)
1977 {
1978 struct hfa384x_hostscan_result *scan;
1979 int entry, hostscan;
1980 char *current_ev = buffer;
1981 char *end_buf = buffer + buflen;
1982 struct list_head *ptr;
1983
1984 spin_lock_bh(&local->lock);
1985
1986 list_for_each(ptr, &local->bss_list) {
1987 struct hostap_bss_info *bss;
1988 bss = list_entry(ptr, struct hostap_bss_info, list);
1989 bss->included = 0;
1990 }
1991
1992 hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1993 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1994 int found = 0;
1995 scan = &local->last_scan_results[entry];
1996
1997 /* Report every SSID if the AP is using multiple SSIDs. If no
1998 * BSS record is found (e.g., when WPA mode is disabled),
1999 * report the AP once. */
2000 list_for_each(ptr, &local->bss_list) {
2001 struct hostap_bss_info *bss;
2002 bss = list_entry(ptr, struct hostap_bss_info, list);
2003 if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
2004 bss->included = 1;
2005 current_ev = __prism2_translate_scan(
2006 local, scan, bss, current_ev, end_buf);
2007 found++;
2008 }
2009 }
2010 if (!found) {
2011 current_ev = __prism2_translate_scan(
2012 local, scan, NULL, current_ev, end_buf);
2013 }
2014 /* Check if there is space for one more entry */
2015 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2016 /* Ask user space to try again with a bigger buffer */
2017 spin_unlock_bh(&local->lock);
2018 return -E2BIG;
2019 }
2020 }
2021
2022 /* Prism2 firmware has limits (32 at least in some versions) for number
2023 * of BSSes in scan results. Extend this limit by using local BSS list.
2024 */
2025 list_for_each(ptr, &local->bss_list) {
2026 struct hostap_bss_info *bss;
2027 bss = list_entry(ptr, struct hostap_bss_info, list);
2028 if (bss->included)
2029 continue;
2030 current_ev = __prism2_translate_scan(local, NULL, bss,
2031 current_ev, end_buf);
2032 /* Check if there is space for one more entry */
2033 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2034 /* Ask user space to try again with a bigger buffer */
2035 spin_unlock_bh(&local->lock);
2036 return -E2BIG;
2037 }
2038 }
2039
2040 spin_unlock_bh(&local->lock);
2041
2042 return current_ev - buffer;
2043 }
2044 #endif /* PRISM2_NO_STATION_MODES */
2045
2046
2047 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2048 struct iw_request_info *info,
2049 struct iw_point *data, char *extra)
2050 {
2051 #ifdef PRISM2_NO_STATION_MODES
2052 return -EOPNOTSUPP;
2053 #else /* PRISM2_NO_STATION_MODES */
2054 struct hostap_interface *iface;
2055 local_info_t *local;
2056 int res;
2057
2058 iface = netdev_priv(dev);
2059 local = iface->local;
2060
2061 /* Wait until the scan is finished. We can probably do better
2062 * than that - Jean II */
2063 if (local->scan_timestamp &&
2064 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2065 /* Important note : we don't want to block the caller
2066 * until results are ready for various reasons.
2067 * First, managing wait queues is complex and racy
2068 * (there may be multiple simultaneous callers).
2069 * Second, we grab some rtnetlink lock before comming
2070 * here (in dev_ioctl()).
2071 * Third, the caller can wait on the Wireless Event
2072 * - Jean II */
2073 return -EAGAIN;
2074 }
2075 local->scan_timestamp = 0;
2076
2077 res = prism2_translate_scan(local, extra, data->length);
2078
2079 if (res >= 0) {
2080 data->length = res;
2081 return 0;
2082 } else {
2083 data->length = 0;
2084 return res;
2085 }
2086 #endif /* PRISM2_NO_STATION_MODES */
2087 }
2088
2089
2090 static int prism2_ioctl_giwscan(struct net_device *dev,
2091 struct iw_request_info *info,
2092 struct iw_point *data, char *extra)
2093 {
2094 struct hostap_interface *iface;
2095 local_info_t *local;
2096 int res;
2097
2098 iface = netdev_priv(dev);
2099 local = iface->local;
2100
2101 if (local->iw_mode == IW_MODE_MASTER) {
2102 /* In MASTER mode, it doesn't make sense to go around
2103 * scanning the frequencies and make the stations we serve
2104 * wait when what the user is really interested about is the
2105 * list of stations and access points we are talking to.
2106 * So, just extract results from our cache...
2107 * Jean II */
2108
2109 /* Translate to WE format */
2110 res = prism2_ap_translate_scan(dev, extra);
2111 if (res >= 0) {
2112 printk(KERN_DEBUG "Scan result translation succeeded "
2113 "(length=%d)\n", res);
2114 data->length = res;
2115 return 0;
2116 } else {
2117 printk(KERN_DEBUG
2118 "Scan result translation failed (res=%d)\n",
2119 res);
2120 data->length = 0;
2121 return res;
2122 }
2123 } else {
2124 /* Station mode */
2125 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2126 }
2127 }
2128
2129
2130 static const struct iw_priv_args prism2_priv[] = {
2131 { PRISM2_IOCTL_MONITOR,
2132 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2133 { PRISM2_IOCTL_READMIF,
2134 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2135 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2136 { PRISM2_IOCTL_WRITEMIF,
2137 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2138 { PRISM2_IOCTL_RESET,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2140 { PRISM2_IOCTL_INQUIRE,
2141 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2142 { PRISM2_IOCTL_SET_RID_WORD,
2143 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2144 { PRISM2_IOCTL_MACCMD,
2145 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2146 { PRISM2_IOCTL_WDS_ADD,
2147 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2148 { PRISM2_IOCTL_WDS_DEL,
2149 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2150 { PRISM2_IOCTL_ADDMAC,
2151 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2152 { PRISM2_IOCTL_DELMAC,
2153 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2154 { PRISM2_IOCTL_KICKMAC,
2155 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2156 /* --- raw access to sub-ioctls --- */
2157 { PRISM2_IOCTL_PRISM2_PARAM,
2158 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2159 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2160 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2161 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2162 /* --- sub-ioctls handlers --- */
2163 { PRISM2_IOCTL_PRISM2_PARAM,
2164 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2165 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2166 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2167 /* --- sub-ioctls definitions --- */
2168 { PRISM2_PARAM_TXRATECTRL,
2169 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2170 { PRISM2_PARAM_TXRATECTRL,
2171 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2172 { PRISM2_PARAM_BEACON_INT,
2173 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2174 { PRISM2_PARAM_BEACON_INT,
2175 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2176 #ifndef PRISM2_NO_STATION_MODES
2177 { PRISM2_PARAM_PSEUDO_IBSS,
2178 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2179 { PRISM2_PARAM_PSEUDO_IBSS,
2180 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2181 #endif /* PRISM2_NO_STATION_MODES */
2182 { PRISM2_PARAM_ALC,
2183 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2184 { PRISM2_PARAM_ALC,
2185 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2186 { PRISM2_PARAM_DUMP,
2187 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2188 { PRISM2_PARAM_DUMP,
2189 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2190 { PRISM2_PARAM_OTHER_AP_POLICY,
2191 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2192 { PRISM2_PARAM_OTHER_AP_POLICY,
2193 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2194 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2195 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2196 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2197 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2198 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2199 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2200 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2201 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2202 { PRISM2_PARAM_DTIM_PERIOD,
2203 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2204 { PRISM2_PARAM_DTIM_PERIOD,
2205 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2206 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2207 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2208 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2209 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2210 { PRISM2_PARAM_MAX_WDS,
2211 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2212 { PRISM2_PARAM_MAX_WDS,
2213 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2214 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2215 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2216 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2217 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2218 { PRISM2_PARAM_AP_AUTH_ALGS,
2219 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2220 { PRISM2_PARAM_AP_AUTH_ALGS,
2221 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2222 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2223 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2224 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2225 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2226 { PRISM2_PARAM_HOST_ENCRYPT,
2227 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2228 { PRISM2_PARAM_HOST_ENCRYPT,
2229 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2230 { PRISM2_PARAM_HOST_DECRYPT,
2231 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2232 { PRISM2_PARAM_HOST_DECRYPT,
2233 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2234 #ifndef PRISM2_NO_STATION_MODES
2235 { PRISM2_PARAM_HOST_ROAMING,
2236 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2237 { PRISM2_PARAM_HOST_ROAMING,
2238 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2239 #endif /* PRISM2_NO_STATION_MODES */
2240 { PRISM2_PARAM_BCRX_STA_KEY,
2241 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2242 { PRISM2_PARAM_BCRX_STA_KEY,
2243 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2244 { PRISM2_PARAM_IEEE_802_1X,
2245 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2246 { PRISM2_PARAM_IEEE_802_1X,
2247 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2248 { PRISM2_PARAM_ANTSEL_TX,
2249 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2250 { PRISM2_PARAM_ANTSEL_TX,
2251 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2252 { PRISM2_PARAM_ANTSEL_RX,
2253 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2254 { PRISM2_PARAM_ANTSEL_RX,
2255 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2256 { PRISM2_PARAM_MONITOR_TYPE,
2257 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2258 { PRISM2_PARAM_MONITOR_TYPE,
2259 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2260 { PRISM2_PARAM_WDS_TYPE,
2261 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2262 { PRISM2_PARAM_WDS_TYPE,
2263 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2264 { PRISM2_PARAM_HOSTSCAN,
2265 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2266 { PRISM2_PARAM_HOSTSCAN,
2267 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2268 { PRISM2_PARAM_AP_SCAN,
2269 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2270 { PRISM2_PARAM_AP_SCAN,
2271 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2272 { PRISM2_PARAM_ENH_SEC,
2273 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2274 { PRISM2_PARAM_ENH_SEC,
2275 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2276 #ifdef PRISM2_IO_DEBUG
2277 { PRISM2_PARAM_IO_DEBUG,
2278 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2279 { PRISM2_PARAM_IO_DEBUG,
2280 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2281 #endif /* PRISM2_IO_DEBUG */
2282 { PRISM2_PARAM_BASIC_RATES,
2283 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2284 { PRISM2_PARAM_BASIC_RATES,
2285 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2286 { PRISM2_PARAM_OPER_RATES,
2287 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2288 { PRISM2_PARAM_OPER_RATES,
2289 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2290 { PRISM2_PARAM_HOSTAPD,
2291 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2292 { PRISM2_PARAM_HOSTAPD,
2293 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2294 { PRISM2_PARAM_HOSTAPD_STA,
2295 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2296 { PRISM2_PARAM_HOSTAPD_STA,
2297 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2298 { PRISM2_PARAM_WPA,
2299 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2300 { PRISM2_PARAM_WPA,
2301 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2302 { PRISM2_PARAM_PRIVACY_INVOKED,
2303 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2304 { PRISM2_PARAM_PRIVACY_INVOKED,
2305 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2306 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2307 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2308 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2309 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2310 { PRISM2_PARAM_DROP_UNENCRYPTED,
2311 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2312 { PRISM2_PARAM_DROP_UNENCRYPTED,
2313 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2314 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2315 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2316 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2317 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2318 };
2319
2320
2321 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2322 {
2323 struct hostap_interface *iface;
2324 local_info_t *local;
2325
2326 iface = netdev_priv(dev);
2327 local = iface->local;
2328
2329 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2330 return -EOPNOTSUPP;
2331
2332 return 0;
2333 }
2334
2335
2336 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2337 struct iw_request_info *info,
2338 void *wrqu, char *extra)
2339 {
2340 struct hostap_interface *iface;
2341 local_info_t *local;
2342 int *i = (int *) extra;
2343 int param = *i;
2344 int value = *(i + 1);
2345 int ret = 0;
2346 u16 val;
2347
2348 iface = netdev_priv(dev);
2349 local = iface->local;
2350
2351 switch (param) {
2352 case PRISM2_PARAM_TXRATECTRL:
2353 local->fw_tx_rate_control = value;
2354 break;
2355
2356 case PRISM2_PARAM_BEACON_INT:
2357 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2358 local->func->reset_port(dev))
2359 ret = -EINVAL;
2360 else
2361 local->beacon_int = value;
2362 break;
2363
2364 #ifndef PRISM2_NO_STATION_MODES
2365 case PRISM2_PARAM_PSEUDO_IBSS:
2366 if (value == local->pseudo_adhoc)
2367 break;
2368
2369 if (value != 0 && value != 1) {
2370 ret = -EINVAL;
2371 break;
2372 }
2373
2374 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2375 dev->name, local->pseudo_adhoc, value);
2376 local->pseudo_adhoc = value;
2377 if (local->iw_mode != IW_MODE_ADHOC)
2378 break;
2379
2380 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2381 hostap_get_porttype(local))) {
2382 ret = -EOPNOTSUPP;
2383 break;
2384 }
2385
2386 if (local->func->reset_port(dev))
2387 ret = -EINVAL;
2388 break;
2389 #endif /* PRISM2_NO_STATION_MODES */
2390
2391 case PRISM2_PARAM_ALC:
2392 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2393 value == 0 ? "Disabling" : "Enabling");
2394 val = HFA384X_TEST_CFG_BIT_ALC;
2395 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2396 (HFA384X_TEST_CFG_BITS << 8),
2397 value == 0 ? 0 : 1, &val, NULL);
2398 break;
2399
2400 case PRISM2_PARAM_DUMP:
2401 local->frame_dump = value;
2402 break;
2403
2404 case PRISM2_PARAM_OTHER_AP_POLICY:
2405 if (value < 0 || value > 3) {
2406 ret = -EINVAL;
2407 break;
2408 }
2409 if (local->ap != NULL)
2410 local->ap->ap_policy = value;
2411 break;
2412
2413 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2414 if (value < 0 || value > 7 * 24 * 60 * 60) {
2415 ret = -EINVAL;
2416 break;
2417 }
2418 if (local->ap != NULL)
2419 local->ap->max_inactivity = value * HZ;
2420 break;
2421
2422 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2423 if (local->ap != NULL)
2424 local->ap->bridge_packets = value;
2425 break;
2426
2427 case PRISM2_PARAM_DTIM_PERIOD:
2428 if (value < 0 || value > 65535) {
2429 ret = -EINVAL;
2430 break;
2431 }
2432 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2433 || local->func->reset_port(dev))
2434 ret = -EINVAL;
2435 else
2436 local->dtim_period = value;
2437 break;
2438
2439 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2440 if (local->ap != NULL)
2441 local->ap->nullfunc_ack = value;
2442 break;
2443
2444 case PRISM2_PARAM_MAX_WDS:
2445 local->wds_max_connections = value;
2446 break;
2447
2448 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2449 if (local->ap != NULL) {
2450 if (!local->ap->autom_ap_wds && value) {
2451 /* add WDS link to all APs in STA table */
2452 hostap_add_wds_links(local);
2453 }
2454 local->ap->autom_ap_wds = value;
2455 }
2456 break;
2457
2458 case PRISM2_PARAM_AP_AUTH_ALGS:
2459 local->auth_algs = value;
2460 if (hostap_set_auth_algs(local))
2461 ret = -EINVAL;
2462 break;
2463
2464 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2465 local->monitor_allow_fcserr = value;
2466 break;
2467
2468 case PRISM2_PARAM_HOST_ENCRYPT:
2469 local->host_encrypt = value;
2470 if (hostap_set_encryption(local) ||
2471 local->func->reset_port(dev))
2472 ret = -EINVAL;
2473 break;
2474
2475 case PRISM2_PARAM_HOST_DECRYPT:
2476 local->host_decrypt = value;
2477 if (hostap_set_encryption(local) ||
2478 local->func->reset_port(dev))
2479 ret = -EINVAL;
2480 break;
2481
2482 #ifndef PRISM2_NO_STATION_MODES
2483 case PRISM2_PARAM_HOST_ROAMING:
2484 if (value < 0 || value > 2) {
2485 ret = -EINVAL;
2486 break;
2487 }
2488 local->host_roaming = value;
2489 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2490 ret = -EINVAL;
2491 break;
2492 #endif /* PRISM2_NO_STATION_MODES */
2493
2494 case PRISM2_PARAM_BCRX_STA_KEY:
2495 local->bcrx_sta_key = value;
2496 break;
2497
2498 case PRISM2_PARAM_IEEE_802_1X:
2499 local->ieee_802_1x = value;
2500 break;
2501
2502 case PRISM2_PARAM_ANTSEL_TX:
2503 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2504 ret = -EINVAL;
2505 break;
2506 }
2507 local->antsel_tx = value;
2508 hostap_set_antsel(local);
2509 break;
2510
2511 case PRISM2_PARAM_ANTSEL_RX:
2512 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2513 ret = -EINVAL;
2514 break;
2515 }
2516 local->antsel_rx = value;
2517 hostap_set_antsel(local);
2518 break;
2519
2520 case PRISM2_PARAM_MONITOR_TYPE:
2521 if (value != PRISM2_MONITOR_80211 &&
2522 value != PRISM2_MONITOR_CAPHDR &&
2523 value != PRISM2_MONITOR_PRISM) {
2524 ret = -EINVAL;
2525 break;
2526 }
2527 local->monitor_type = value;
2528 if (local->iw_mode == IW_MODE_MONITOR)
2529 hostap_monitor_set_type(local);
2530 break;
2531
2532 case PRISM2_PARAM_WDS_TYPE:
2533 local->wds_type = value;
2534 break;
2535
2536 case PRISM2_PARAM_HOSTSCAN:
2537 {
2538 struct hfa384x_hostscan_request scan_req;
2539 u16 rate;
2540
2541 memset(&scan_req, 0, sizeof(scan_req));
2542 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
2543 switch (value) {
2544 case 1: rate = HFA384X_RATES_1MBPS; break;
2545 case 2: rate = HFA384X_RATES_2MBPS; break;
2546 case 3: rate = HFA384X_RATES_5MBPS; break;
2547 case 4: rate = HFA384X_RATES_11MBPS; break;
2548 default: rate = HFA384X_RATES_1MBPS; break;
2549 }
2550 scan_req.txrate = cpu_to_le16(rate);
2551 /* leave SSID empty to accept all SSIDs */
2552
2553 if (local->iw_mode == IW_MODE_MASTER) {
2554 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2555 HFA384X_PORTTYPE_BSS) ||
2556 local->func->reset_port(dev))
2557 printk(KERN_DEBUG "Leaving Host AP mode "
2558 "for HostScan failed\n");
2559 }
2560
2561 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2562 sizeof(scan_req))) {
2563 printk(KERN_DEBUG "HOSTSCAN failed\n");
2564 ret = -EINVAL;
2565 }
2566 if (local->iw_mode == IW_MODE_MASTER) {
2567 wait_queue_t __wait;
2568 init_waitqueue_entry(&__wait, current);
2569 add_wait_queue(&local->hostscan_wq, &__wait);
2570 set_current_state(TASK_INTERRUPTIBLE);
2571 schedule_timeout(HZ);
2572 if (signal_pending(current))
2573 ret = -EINTR;
2574 set_current_state(TASK_RUNNING);
2575 remove_wait_queue(&local->hostscan_wq, &__wait);
2576
2577 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2578 HFA384X_PORTTYPE_HOSTAP) ||
2579 local->func->reset_port(dev))
2580 printk(KERN_DEBUG "Returning to Host AP mode "
2581 "after HostScan failed\n");
2582 }
2583 break;
2584 }
2585
2586 case PRISM2_PARAM_AP_SCAN:
2587 local->passive_scan_interval = value;
2588 if (timer_pending(&local->passive_scan_timer))
2589 del_timer(&local->passive_scan_timer);
2590 if (value > 0) {
2591 local->passive_scan_timer.expires = jiffies +
2592 local->passive_scan_interval * HZ;
2593 add_timer(&local->passive_scan_timer);
2594 }
2595 break;
2596
2597 case PRISM2_PARAM_ENH_SEC:
2598 if (value < 0 || value > 3) {
2599 ret = -EINVAL;
2600 break;
2601 }
2602 local->enh_sec = value;
2603 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2604 local->enh_sec) ||
2605 local->func->reset_port(dev)) {
2606 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2607 "1.6.3 or newer\n", dev->name);
2608 ret = -EOPNOTSUPP;
2609 }
2610 break;
2611
2612 #ifdef PRISM2_IO_DEBUG
2613 case PRISM2_PARAM_IO_DEBUG:
2614 local->io_debug_enabled = value;
2615 break;
2616 #endif /* PRISM2_IO_DEBUG */
2617
2618 case PRISM2_PARAM_BASIC_RATES:
2619 if ((value & local->tx_rate_control) != value || value == 0) {
2620 printk(KERN_INFO "%s: invalid basic rate set - basic "
2621 "rates must be in supported rate set\n",
2622 dev->name);
2623 ret = -EINVAL;
2624 break;
2625 }
2626 local->basic_rates = value;
2627 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2628 local->basic_rates) ||
2629 local->func->reset_port(dev))
2630 ret = -EINVAL;
2631 break;
2632
2633 case PRISM2_PARAM_OPER_RATES:
2634 local->tx_rate_control = value;
2635 if (hostap_set_rate(dev))
2636 ret = -EINVAL;
2637 break;
2638
2639 case PRISM2_PARAM_HOSTAPD:
2640 ret = hostap_set_hostapd(local, value, 1);
2641 break;
2642
2643 case PRISM2_PARAM_HOSTAPD_STA:
2644 ret = hostap_set_hostapd_sta(local, value, 1);
2645 break;
2646
2647 case PRISM2_PARAM_WPA:
2648 local->wpa = value;
2649 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2650 ret = -EOPNOTSUPP;
2651 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2652 value ? 1 : 0))
2653 ret = -EINVAL;
2654 break;
2655
2656 case PRISM2_PARAM_PRIVACY_INVOKED:
2657 local->privacy_invoked = value;
2658 if (hostap_set_encryption(local) ||
2659 local->func->reset_port(dev))
2660 ret = -EINVAL;
2661 break;
2662
2663 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2664 local->tkip_countermeasures = value;
2665 break;
2666
2667 case PRISM2_PARAM_DROP_UNENCRYPTED:
2668 local->drop_unencrypted = value;
2669 break;
2670
2671 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2672 local->scan_channel_mask = value;
2673 break;
2674
2675 default:
2676 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2677 dev->name, param);
2678 ret = -EOPNOTSUPP;
2679 break;
2680 }
2681
2682 return ret;
2683 }
2684
2685
2686 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2687 struct iw_request_info *info,
2688 void *wrqu, char *extra)
2689 {
2690 struct hostap_interface *iface;
2691 local_info_t *local;
2692 int *param = (int *) extra;
2693 int ret = 0;
2694
2695 iface = netdev_priv(dev);
2696 local = iface->local;
2697
2698 switch (*param) {
2699 case PRISM2_PARAM_TXRATECTRL:
2700 *param = local->fw_tx_rate_control;
2701 break;
2702
2703 case PRISM2_PARAM_BEACON_INT:
2704 *param = local->beacon_int;
2705 break;
2706
2707 case PRISM2_PARAM_PSEUDO_IBSS:
2708 *param = local->pseudo_adhoc;
2709 break;
2710
2711 case PRISM2_PARAM_ALC:
2712 ret = -EOPNOTSUPP; /* FIX */
2713 break;
2714
2715 case PRISM2_PARAM_DUMP:
2716 *param = local->frame_dump;
2717 break;
2718
2719 case PRISM2_PARAM_OTHER_AP_POLICY:
2720 if (local->ap != NULL)
2721 *param = local->ap->ap_policy;
2722 else
2723 ret = -EOPNOTSUPP;
2724 break;
2725
2726 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2727 if (local->ap != NULL)
2728 *param = local->ap->max_inactivity / HZ;
2729 else
2730 ret = -EOPNOTSUPP;
2731 break;
2732
2733 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2734 if (local->ap != NULL)
2735 *param = local->ap->bridge_packets;
2736 else
2737 ret = -EOPNOTSUPP;
2738 break;
2739
2740 case PRISM2_PARAM_DTIM_PERIOD:
2741 *param = local->dtim_period;
2742 break;
2743
2744 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2745 if (local->ap != NULL)
2746 *param = local->ap->nullfunc_ack;
2747 else
2748 ret = -EOPNOTSUPP;
2749 break;
2750
2751 case PRISM2_PARAM_MAX_WDS:
2752 *param = local->wds_max_connections;
2753 break;
2754
2755 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2756 if (local->ap != NULL)
2757 *param = local->ap->autom_ap_wds;
2758 else
2759 ret = -EOPNOTSUPP;
2760 break;
2761
2762 case PRISM2_PARAM_AP_AUTH_ALGS:
2763 *param = local->auth_algs;
2764 break;
2765
2766 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2767 *param = local->monitor_allow_fcserr;
2768 break;
2769
2770 case PRISM2_PARAM_HOST_ENCRYPT:
2771 *param = local->host_encrypt;
2772 break;
2773
2774 case PRISM2_PARAM_HOST_DECRYPT:
2775 *param = local->host_decrypt;
2776 break;
2777
2778 case PRISM2_PARAM_HOST_ROAMING:
2779 *param = local->host_roaming;
2780 break;
2781
2782 case PRISM2_PARAM_BCRX_STA_KEY:
2783 *param = local->bcrx_sta_key;
2784 break;
2785
2786 case PRISM2_PARAM_IEEE_802_1X:
2787 *param = local->ieee_802_1x;
2788 break;
2789
2790 case PRISM2_PARAM_ANTSEL_TX:
2791 *param = local->antsel_tx;
2792 break;
2793
2794 case PRISM2_PARAM_ANTSEL_RX:
2795 *param = local->antsel_rx;
2796 break;
2797
2798 case PRISM2_PARAM_MONITOR_TYPE:
2799 *param = local->monitor_type;
2800 break;
2801
2802 case PRISM2_PARAM_WDS_TYPE:
2803 *param = local->wds_type;
2804 break;
2805
2806 case PRISM2_PARAM_HOSTSCAN:
2807 ret = -EOPNOTSUPP;
2808 break;
2809
2810 case PRISM2_PARAM_AP_SCAN:
2811 *param = local->passive_scan_interval;
2812 break;
2813
2814 case PRISM2_PARAM_ENH_SEC:
2815 *param = local->enh_sec;
2816 break;
2817
2818 #ifdef PRISM2_IO_DEBUG
2819 case PRISM2_PARAM_IO_DEBUG:
2820 *param = local->io_debug_enabled;
2821 break;
2822 #endif /* PRISM2_IO_DEBUG */
2823
2824 case PRISM2_PARAM_BASIC_RATES:
2825 *param = local->basic_rates;
2826 break;
2827
2828 case PRISM2_PARAM_OPER_RATES:
2829 *param = local->tx_rate_control;
2830 break;
2831
2832 case PRISM2_PARAM_HOSTAPD:
2833 *param = local->hostapd;
2834 break;
2835
2836 case PRISM2_PARAM_HOSTAPD_STA:
2837 *param = local->hostapd_sta;
2838 break;
2839
2840 case PRISM2_PARAM_WPA:
2841 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2842 ret = -EOPNOTSUPP;
2843 *param = local->wpa;
2844 break;
2845
2846 case PRISM2_PARAM_PRIVACY_INVOKED:
2847 *param = local->privacy_invoked;
2848 break;
2849
2850 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2851 *param = local->tkip_countermeasures;
2852 break;
2853
2854 case PRISM2_PARAM_DROP_UNENCRYPTED:
2855 *param = local->drop_unencrypted;
2856 break;
2857
2858 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2859 *param = local->scan_channel_mask;
2860 break;
2861
2862 default:
2863 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2864 dev->name, *param);
2865 ret = -EOPNOTSUPP;
2866 break;
2867 }
2868
2869 return ret;
2870 }
2871
2872
2873 static int prism2_ioctl_priv_readmif(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 resp0;
2880
2881 iface = netdev_priv(dev);
2882 local = iface->local;
2883
2884 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2885 &resp0))
2886 return -EOPNOTSUPP;
2887 else
2888 *extra = resp0;
2889
2890 return 0;
2891 }
2892
2893
2894 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2895 struct iw_request_info *info,
2896 void *wrqu, char *extra)
2897 {
2898 struct hostap_interface *iface;
2899 local_info_t *local;
2900 u16 cr, val;
2901
2902 iface = netdev_priv(dev);
2903 local = iface->local;
2904
2905 cr = *extra;
2906 val = *(extra + 1);
2907 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2908 return -EOPNOTSUPP;
2909
2910 return 0;
2911 }
2912
2913
2914 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2915 {
2916 struct hostap_interface *iface;
2917 local_info_t *local;
2918 int ret = 0;
2919 u32 mode;
2920
2921 iface = netdev_priv(dev);
2922 local = iface->local;
2923
2924 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2925 "- update software to use iwconfig mode monitor\n",
2926 dev->name, current->pid, current->comm);
2927
2928 /* Backward compatibility code - this can be removed at some point */
2929
2930 if (*i == 0) {
2931 /* Disable monitor mode - old mode was not saved, so go to
2932 * Master mode */
2933 mode = IW_MODE_MASTER;
2934 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2935 } else if (*i == 1) {
2936 /* netlink socket mode is not supported anymore since it did
2937 * not separate different devices from each other and was not
2938 * best method for delivering large amount of packets to
2939 * user space */
2940 ret = -EOPNOTSUPP;
2941 } else if (*i == 2 || *i == 3) {
2942 switch (*i) {
2943 case 2:
2944 local->monitor_type = PRISM2_MONITOR_80211;
2945 break;
2946 case 3:
2947 local->monitor_type = PRISM2_MONITOR_PRISM;
2948 break;
2949 }
2950 mode = IW_MODE_MONITOR;
2951 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2952 hostap_monitor_mode_enable(local);
2953 } else
2954 ret = -EINVAL;
2955
2956 return ret;
2957 }
2958
2959
2960 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2961 {
2962 struct hostap_interface *iface;
2963 local_info_t *local;
2964
2965 iface = netdev_priv(dev);
2966 local = iface->local;
2967
2968 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2969 switch (*i) {
2970 case 0:
2971 /* Disable and enable card */
2972 local->func->hw_shutdown(dev, 1);
2973 local->func->hw_config(dev, 0);
2974 break;
2975
2976 case 1:
2977 /* COR sreset */
2978 local->func->hw_reset(dev);
2979 break;
2980
2981 case 2:
2982 /* Disable and enable port 0 */
2983 local->func->reset_port(dev);
2984 break;
2985
2986 case 3:
2987 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2988 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2989 NULL))
2990 return -EINVAL;
2991 break;
2992
2993 case 4:
2994 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2995 NULL))
2996 return -EINVAL;
2997 break;
2998
2999 default:
3000 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
3001 return -EOPNOTSUPP;
3002 }
3003
3004 return 0;
3005 }
3006
3007
3008 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
3009 {
3010 int rid = *i;
3011 int value = *(i + 1);
3012
3013 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
3014
3015 if (hostap_set_word(dev, rid, value))
3016 return -EINVAL;
3017
3018 return 0;
3019 }
3020
3021
3022 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3023 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3024 {
3025 int ret = 0;
3026
3027 switch (*cmd) {
3028 case AP_MAC_CMD_POLICY_OPEN:
3029 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3030 break;
3031 case AP_MAC_CMD_POLICY_ALLOW:
3032 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3033 break;
3034 case AP_MAC_CMD_POLICY_DENY:
3035 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3036 break;
3037 case AP_MAC_CMD_FLUSH:
3038 ap_control_flush_macs(&local->ap->mac_restrictions);
3039 break;
3040 case AP_MAC_CMD_KICKALL:
3041 ap_control_kickall(local->ap);
3042 hostap_deauth_all_stas(local->dev, local->ap, 0);
3043 break;
3044 default:
3045 ret = -EOPNOTSUPP;
3046 break;
3047 }
3048
3049 return ret;
3050 }
3051 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3052
3053
3054 #ifdef PRISM2_DOWNLOAD_SUPPORT
3055 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3056 {
3057 struct prism2_download_param *param;
3058 int ret = 0;
3059
3060 if (p->length < sizeof(struct prism2_download_param) ||
3061 p->length > 1024 || !p->pointer)
3062 return -EINVAL;
3063
3064 param = (struct prism2_download_param *)
3065 kmalloc(p->length, GFP_KERNEL);
3066 if (param == NULL)
3067 return -ENOMEM;
3068
3069 if (copy_from_user(param, p->pointer, p->length)) {
3070 ret = -EFAULT;
3071 goto out;
3072 }
3073
3074 if (p->length < sizeof(struct prism2_download_param) +
3075 param->num_areas * sizeof(struct prism2_download_area)) {
3076 ret = -EINVAL;
3077 goto out;
3078 }
3079
3080 ret = local->func->download(local, param);
3081
3082 out:
3083 kfree(param);
3084 return ret;
3085 }
3086 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3087
3088
3089 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3090 size_t len)
3091 {
3092 struct hostap_interface *iface = dev->priv;
3093 local_info_t *local = iface->local;
3094 u8 *buf;
3095
3096 /*
3097 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3098 * includes it.
3099 */
3100 buf = kmalloc(len + 2, GFP_KERNEL);
3101 if (buf == NULL)
3102 return -ENOMEM;
3103
3104 *((u16 *) buf) = cpu_to_le16(len);
3105 memcpy(buf + 2, elem, len);
3106
3107 kfree(local->generic_elem);
3108 local->generic_elem = buf;
3109 local->generic_elem_len = len + 2;
3110
3111 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3112 buf, len + 2);
3113 }
3114
3115
3116 static int prism2_ioctl_siwauth(struct net_device *dev,
3117 struct iw_request_info *info,
3118 struct iw_param *data, char *extra)
3119 {
3120 struct hostap_interface *iface = dev->priv;
3121 local_info_t *local = iface->local;
3122
3123 switch (data->flags & IW_AUTH_INDEX) {
3124 case IW_AUTH_WPA_VERSION:
3125 case IW_AUTH_CIPHER_PAIRWISE:
3126 case IW_AUTH_CIPHER_GROUP:
3127 case IW_AUTH_KEY_MGMT:
3128 /*
3129 * Host AP driver does not use these parameters and allows
3130 * wpa_supplicant to control them internally.
3131 */
3132 break;
3133 case IW_AUTH_TKIP_COUNTERMEASURES:
3134 local->tkip_countermeasures = data->value;
3135 break;
3136 case IW_AUTH_DROP_UNENCRYPTED:
3137 local->drop_unencrypted = data->value;
3138 break;
3139 case IW_AUTH_80211_AUTH_ALG:
3140 local->auth_algs = data->value;
3141 break;
3142 case IW_AUTH_WPA_ENABLED:
3143 if (data->value == 0) {
3144 local->wpa = 0;
3145 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3146 break;
3147 prism2_set_genericelement(dev, "", 0);
3148 local->host_roaming = 0;
3149 local->privacy_invoked = 0;
3150 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3151 0) ||
3152 hostap_set_roaming(local) ||
3153 hostap_set_encryption(local) ||
3154 local->func->reset_port(dev))
3155 return -EINVAL;
3156 break;
3157 }
3158 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3159 return -EOPNOTSUPP;
3160 local->host_roaming = 2;
3161 local->privacy_invoked = 1;
3162 local->wpa = 1;
3163 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3164 hostap_set_roaming(local) ||
3165 hostap_set_encryption(local) ||
3166 local->func->reset_port(dev))
3167 return -EINVAL;
3168 break;
3169 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3170 local->ieee_802_1x = data->value;
3171 break;
3172 case IW_AUTH_PRIVACY_INVOKED:
3173 local->privacy_invoked = data->value;
3174 break;
3175 default:
3176 return -EOPNOTSUPP;
3177 }
3178 return 0;
3179 }
3180
3181
3182 static int prism2_ioctl_giwauth(struct net_device *dev,
3183 struct iw_request_info *info,
3184 struct iw_param *data, char *extra)
3185 {
3186 struct hostap_interface *iface = dev->priv;
3187 local_info_t *local = iface->local;
3188
3189 switch (data->flags & IW_AUTH_INDEX) {
3190 case IW_AUTH_WPA_VERSION:
3191 case IW_AUTH_CIPHER_PAIRWISE:
3192 case IW_AUTH_CIPHER_GROUP:
3193 case IW_AUTH_KEY_MGMT:
3194 /*
3195 * Host AP driver does not use these parameters and allows
3196 * wpa_supplicant to control them internally.
3197 */
3198 return -EOPNOTSUPP;
3199 case IW_AUTH_TKIP_COUNTERMEASURES:
3200 data->value = local->tkip_countermeasures;
3201 break;
3202 case IW_AUTH_DROP_UNENCRYPTED:
3203 data->value = local->drop_unencrypted;
3204 break;
3205 case IW_AUTH_80211_AUTH_ALG:
3206 data->value = local->auth_algs;
3207 break;
3208 case IW_AUTH_WPA_ENABLED:
3209 data->value = local->wpa;
3210 break;
3211 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3212 data->value = local->ieee_802_1x;
3213 break;
3214 default:
3215 return -EOPNOTSUPP;
3216 }
3217 return 0;
3218 }
3219
3220
3221 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3222 struct iw_request_info *info,
3223 struct iw_point *erq, char *extra)
3224 {
3225 struct hostap_interface *iface = dev->priv;
3226 local_info_t *local = iface->local;
3227 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3228 int i, ret = 0;
3229 struct ieee80211_crypto_ops *ops;
3230 struct ieee80211_crypt_data **crypt;
3231 void *sta_ptr;
3232 u8 *addr;
3233 const char *alg, *module;
3234
3235 i = erq->flags & IW_ENCODE_INDEX;
3236 if (i > WEP_KEYS)
3237 return -EINVAL;
3238 if (i < 1 || i > WEP_KEYS)
3239 i = local->tx_keyidx;
3240 else
3241 i--;
3242 if (i < 0 || i >= WEP_KEYS)
3243 return -EINVAL;
3244
3245 addr = ext->addr.sa_data;
3246 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3247 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3248 sta_ptr = NULL;
3249 crypt = &local->crypt[i];
3250 } else {
3251 if (i != 0)
3252 return -EINVAL;
3253 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3254 if (sta_ptr == NULL) {
3255 if (local->iw_mode == IW_MODE_INFRA) {
3256 /*
3257 * TODO: add STA entry for the current AP so
3258 * that unicast key can be used. For now, this
3259 * is emulated by using default key idx 0.
3260 */
3261 i = 0;
3262 crypt = &local->crypt[i];
3263 } else
3264 return -EINVAL;
3265 }
3266 }
3267
3268 if ((erq->flags & IW_ENCODE_DISABLED) ||
3269 ext->alg == IW_ENCODE_ALG_NONE) {
3270 if (*crypt)
3271 prism2_crypt_delayed_deinit(local, crypt);
3272 goto done;
3273 }
3274
3275 switch (ext->alg) {
3276 case IW_ENCODE_ALG_WEP:
3277 alg = "WEP";
3278 module = "ieee80211_crypt_wep";
3279 break;
3280 case IW_ENCODE_ALG_TKIP:
3281 alg = "TKIP";
3282 module = "ieee80211_crypt_tkip";
3283 break;
3284 case IW_ENCODE_ALG_CCMP:
3285 alg = "CCMP";
3286 module = "ieee80211_crypt_ccmp";
3287 break;
3288 default:
3289 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3290 local->dev->name, ext->alg);
3291 ret = -EOPNOTSUPP;
3292 goto done;
3293 }
3294
3295 ops = ieee80211_get_crypto_ops(alg);
3296 if (ops == NULL) {
3297 request_module(module);
3298 ops = ieee80211_get_crypto_ops(alg);
3299 }
3300 if (ops == NULL) {
3301 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3302 local->dev->name, alg);
3303 ret = -EOPNOTSUPP;
3304 goto done;
3305 }
3306
3307 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3308 /*
3309 * Per station encryption and other than WEP algorithms
3310 * require host-based encryption, so force them on
3311 * automatically.
3312 */
3313 local->host_decrypt = local->host_encrypt = 1;
3314 }
3315
3316 if (*crypt == NULL || (*crypt)->ops != ops) {
3317 struct ieee80211_crypt_data *new_crypt;
3318
3319 prism2_crypt_delayed_deinit(local, crypt);
3320
3321 new_crypt = (struct ieee80211_crypt_data *)
3322 kmalloc(sizeof(struct ieee80211_crypt_data),
3323 GFP_KERNEL);
3324 if (new_crypt == NULL) {
3325 ret = -ENOMEM;
3326 goto done;
3327 }
3328 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3329 new_crypt->ops = ops;
3330 new_crypt->priv = new_crypt->ops->init(i);
3331 if (new_crypt->priv == NULL) {
3332 kfree(new_crypt);
3333 ret = -EINVAL;
3334 goto done;
3335 }
3336
3337 *crypt = new_crypt;
3338 }
3339
3340 /*
3341 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3342 * existing seq# should not be changed.
3343 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3344 * should be changed to something else than zero.
3345 */
3346 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3347 && (*crypt)->ops->set_key &&
3348 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3349 (*crypt)->priv) < 0) {
3350 printk(KERN_DEBUG "%s: key setting failed\n",
3351 local->dev->name);
3352 ret = -EINVAL;
3353 goto done;
3354 }
3355
3356 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3357 if (!sta_ptr)
3358 local->tx_keyidx = i;
3359 else if (i) {
3360 ret = -EINVAL;
3361 goto done;
3362 }
3363 }
3364
3365
3366 if (sta_ptr == NULL && ext->key_len > 0) {
3367 int first = 1, j;
3368 for (j = 0; j < WEP_KEYS; j++) {
3369 if (j != i && local->crypt[j]) {
3370 first = 0;
3371 break;
3372 }
3373 }
3374 if (first)
3375 local->tx_keyidx = i;
3376 }
3377
3378 done:
3379 if (sta_ptr)
3380 hostap_handle_sta_release(sta_ptr);
3381
3382 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3383
3384 /*
3385 * Do not reset port0 if card is in Managed mode since resetting will
3386 * generate new IEEE 802.11 authentication which may end up in looping
3387 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3388 * after WEP configuration. However, keys are apparently changed at
3389 * least in Managed mode.
3390 */
3391 if (ret == 0 &&
3392 (hostap_set_encryption(local) ||
3393 (local->iw_mode != IW_MODE_INFRA &&
3394 local->func->reset_port(local->dev))))
3395 ret = -EINVAL;
3396
3397 return ret;
3398 }
3399
3400
3401 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3402 struct iw_request_info *info,
3403 struct iw_point *erq, char *extra)
3404 {
3405 struct hostap_interface *iface = dev->priv;
3406 local_info_t *local = iface->local;
3407 struct ieee80211_crypt_data **crypt;
3408 void *sta_ptr;
3409 int max_key_len, i;
3410 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3411 u8 *addr;
3412
3413 max_key_len = erq->length - sizeof(*ext);
3414 if (max_key_len < 0)
3415 return -EINVAL;
3416
3417 i = erq->flags & IW_ENCODE_INDEX;
3418 if (i < 1 || i > WEP_KEYS)
3419 i = local->tx_keyidx;
3420 else
3421 i--;
3422
3423 addr = ext->addr.sa_data;
3424 if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3425 addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3426 sta_ptr = NULL;
3427 crypt = &local->crypt[i];
3428 } else {
3429 i = 0;
3430 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3431 if (sta_ptr == NULL)
3432 return -EINVAL;
3433 }
3434 erq->flags = i + 1;
3435 memset(ext, 0, sizeof(*ext));
3436
3437 if (*crypt == NULL || (*crypt)->ops == NULL) {
3438 ext->alg = IW_ENCODE_ALG_NONE;
3439 ext->key_len = 0;
3440 erq->flags |= IW_ENCODE_DISABLED;
3441 } else {
3442 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3443 ext->alg = IW_ENCODE_ALG_WEP;
3444 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3445 ext->alg = IW_ENCODE_ALG_TKIP;
3446 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3447 ext->alg = IW_ENCODE_ALG_CCMP;
3448 else
3449 return -EINVAL;
3450
3451 if ((*crypt)->ops->get_key) {
3452 ext->key_len =
3453 (*crypt)->ops->get_key(ext->key,
3454 max_key_len,
3455 ext->tx_seq,
3456 (*crypt)->priv);
3457 if (ext->key_len &&
3458 (ext->alg == IW_ENCODE_ALG_TKIP ||
3459 ext->alg == IW_ENCODE_ALG_CCMP))
3460 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3461 }
3462 }
3463
3464 if (sta_ptr)
3465 hostap_handle_sta_release(sta_ptr);
3466
3467 return 0;
3468 }
3469
3470
3471 static int prism2_ioctl_set_encryption(local_info_t *local,
3472 struct prism2_hostapd_param *param,
3473 int param_len)
3474 {
3475 int ret = 0;
3476 struct ieee80211_crypto_ops *ops;
3477 struct ieee80211_crypt_data **crypt;
3478 void *sta_ptr;
3479
3480 param->u.crypt.err = 0;
3481 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3482
3483 if (param_len !=
3484 (int) ((char *) param->u.crypt.key - (char *) param) +
3485 param->u.crypt.key_len)
3486 return -EINVAL;
3487
3488 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3489 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3490 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3491 if (param->u.crypt.idx >= WEP_KEYS)
3492 return -EINVAL;
3493 sta_ptr = NULL;
3494 crypt = &local->crypt[param->u.crypt.idx];
3495 } else {
3496 if (param->u.crypt.idx)
3497 return -EINVAL;
3498 sta_ptr = ap_crypt_get_ptrs(
3499 local->ap, param->sta_addr,
3500 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3501 &crypt);
3502
3503 if (sta_ptr == NULL) {
3504 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3505 return -EINVAL;
3506 }
3507 }
3508
3509 if (strcmp(param->u.crypt.alg, "none") == 0) {
3510 if (crypt)
3511 prism2_crypt_delayed_deinit(local, crypt);
3512 goto done;
3513 }
3514
3515 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3516 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3517 request_module("ieee80211_crypt_wep");
3518 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3519 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3520 request_module("ieee80211_crypt_tkip");
3521 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3522 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3523 request_module("ieee80211_crypt_ccmp");
3524 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3525 }
3526 if (ops == NULL) {
3527 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3528 local->dev->name, param->u.crypt.alg);
3529 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3530 ret = -EINVAL;
3531 goto done;
3532 }
3533
3534 /* station based encryption and other than WEP algorithms require
3535 * host-based encryption, so force them on automatically */
3536 local->host_decrypt = local->host_encrypt = 1;
3537
3538 if (*crypt == NULL || (*crypt)->ops != ops) {
3539 struct ieee80211_crypt_data *new_crypt;
3540
3541 prism2_crypt_delayed_deinit(local, crypt);
3542
3543 new_crypt = (struct ieee80211_crypt_data *)
3544 kmalloc(sizeof(struct ieee80211_crypt_data),
3545 GFP_KERNEL);
3546 if (new_crypt == NULL) {
3547 ret = -ENOMEM;
3548 goto done;
3549 }
3550 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3551 new_crypt->ops = ops;
3552 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3553 if (new_crypt->priv == NULL) {
3554 kfree(new_crypt);
3555 param->u.crypt.err =
3556 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3557 ret = -EINVAL;
3558 goto done;
3559 }
3560
3561 *crypt = new_crypt;
3562 }
3563
3564 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3565 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3566 (*crypt)->ops->set_key(param->u.crypt.key,
3567 param->u.crypt.key_len, param->u.crypt.seq,
3568 (*crypt)->priv) < 0) {
3569 printk(KERN_DEBUG "%s: key setting failed\n",
3570 local->dev->name);
3571 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3572 ret = -EINVAL;
3573 goto done;
3574 }
3575
3576 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3577 if (!sta_ptr)
3578 local->tx_keyidx = param->u.crypt.idx;
3579 else if (param->u.crypt.idx) {
3580 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3581 local->dev->name);
3582 param->u.crypt.err =
3583 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3584 ret = -EINVAL;
3585 goto done;
3586 }
3587 }
3588
3589 done:
3590 if (sta_ptr)
3591 hostap_handle_sta_release(sta_ptr);
3592
3593 /* Do not reset port0 if card is in Managed mode since resetting will
3594 * generate new IEEE 802.11 authentication which may end up in looping
3595 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3596 * after WEP configuration. However, keys are apparently changed at
3597 * least in Managed mode. */
3598 if (ret == 0 &&
3599 (hostap_set_encryption(local) ||
3600 (local->iw_mode != IW_MODE_INFRA &&
3601 local->func->reset_port(local->dev)))) {
3602 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3603 return -EINVAL;
3604 }
3605
3606 return ret;
3607 }
3608
3609
3610 static int prism2_ioctl_get_encryption(local_info_t *local,
3611 struct prism2_hostapd_param *param,
3612 int param_len)
3613 {
3614 struct ieee80211_crypt_data **crypt;
3615 void *sta_ptr;
3616 int max_key_len;
3617
3618 param->u.crypt.err = 0;
3619
3620 max_key_len = param_len -
3621 (int) ((char *) param->u.crypt.key - (char *) param);
3622 if (max_key_len < 0)
3623 return -EINVAL;
3624
3625 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3626 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3627 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3628 sta_ptr = NULL;
3629 if (param->u.crypt.idx >= WEP_KEYS)
3630 param->u.crypt.idx = local->tx_keyidx;
3631 crypt = &local->crypt[param->u.crypt.idx];
3632 } else {
3633 param->u.crypt.idx = 0;
3634 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3635 &crypt);
3636
3637 if (sta_ptr == NULL) {
3638 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3639 return -EINVAL;
3640 }
3641 }
3642
3643 if (*crypt == NULL || (*crypt)->ops == NULL) {
3644 memcpy(param->u.crypt.alg, "none", 5);
3645 param->u.crypt.key_len = 0;
3646 param->u.crypt.idx = 0xff;
3647 } else {
3648 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3649 HOSTAP_CRYPT_ALG_NAME_LEN);
3650 param->u.crypt.key_len = 0;
3651
3652 memset(param->u.crypt.seq, 0, 8);
3653 if ((*crypt)->ops->get_key) {
3654 param->u.crypt.key_len =
3655 (*crypt)->ops->get_key(param->u.crypt.key,
3656 max_key_len,
3657 param->u.crypt.seq,
3658 (*crypt)->priv);
3659 }
3660 }
3661
3662 if (sta_ptr)
3663 hostap_handle_sta_release(sta_ptr);
3664
3665 return 0;
3666 }
3667
3668
3669 static int prism2_ioctl_get_rid(local_info_t *local,
3670 struct prism2_hostapd_param *param,
3671 int param_len)
3672 {
3673 int max_len, res;
3674
3675 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3676 if (max_len < 0)
3677 return -EINVAL;
3678
3679 res = local->func->get_rid(local->dev, param->u.rid.rid,
3680 param->u.rid.data, param->u.rid.len, 0);
3681 if (res >= 0) {
3682 param->u.rid.len = res;
3683 return 0;
3684 }
3685
3686 return res;
3687 }
3688
3689
3690 static int prism2_ioctl_set_rid(local_info_t *local,
3691 struct prism2_hostapd_param *param,
3692 int param_len)
3693 {
3694 int max_len;
3695
3696 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3697 if (max_len < 0 || max_len < param->u.rid.len)
3698 return -EINVAL;
3699
3700 return local->func->set_rid(local->dev, param->u.rid.rid,
3701 param->u.rid.data, param->u.rid.len);
3702 }
3703
3704
3705 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3706 struct prism2_hostapd_param *param,
3707 int param_len)
3708 {
3709 printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
3710 local->dev->name, MAC2STR(param->sta_addr));
3711 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3712 return 0;
3713 }
3714
3715
3716 static int prism2_ioctl_siwgenie(struct net_device *dev,
3717 struct iw_request_info *info,
3718 struct iw_point *data, char *extra)
3719 {
3720 return prism2_set_genericelement(dev, extra, data->length);
3721 }
3722
3723
3724 static int prism2_ioctl_giwgenie(struct net_device *dev,
3725 struct iw_request_info *info,
3726 struct iw_point *data, char *extra)
3727 {
3728 struct hostap_interface *iface = dev->priv;
3729 local_info_t *local = iface->local;
3730 int len = local->generic_elem_len - 2;
3731
3732 if (len <= 0 || local->generic_elem == NULL) {
3733 data->length = 0;
3734 return 0;
3735 }
3736
3737 if (data->length < len)
3738 return -E2BIG;
3739
3740 data->length = len;
3741 memcpy(extra, local->generic_elem + 2, len);
3742
3743 return 0;
3744 }
3745
3746
3747 static int prism2_ioctl_set_generic_element(local_info_t *local,
3748 struct prism2_hostapd_param *param,
3749 int param_len)
3750 {
3751 int max_len, len;
3752
3753 len = param->u.generic_elem.len;
3754 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3755 if (max_len < 0 || max_len < len)
3756 return -EINVAL;
3757
3758 return prism2_set_genericelement(local->dev,
3759 param->u.generic_elem.data, len);
3760 }
3761
3762
3763 static int prism2_ioctl_siwmlme(struct net_device *dev,
3764 struct iw_request_info *info,
3765 struct iw_point *data, char *extra)
3766 {
3767 struct hostap_interface *iface = dev->priv;
3768 local_info_t *local = iface->local;
3769 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3770 u16 reason;
3771
3772 reason = cpu_to_le16(mlme->reason_code);
3773
3774 switch (mlme->cmd) {
3775 case IW_MLME_DEAUTH:
3776 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3777 IEEE80211_STYPE_DEAUTH,
3778 (u8 *) &reason, 2);
3779 case IW_MLME_DISASSOC:
3780 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3781 IEEE80211_STYPE_DISASSOC,
3782 (u8 *) &reason, 2);
3783 default:
3784 return -EOPNOTSUPP;
3785 }
3786 }
3787
3788
3789 static int prism2_ioctl_mlme(local_info_t *local,
3790 struct prism2_hostapd_param *param)
3791 {
3792 u16 reason;
3793
3794 reason = cpu_to_le16(param->u.mlme.reason_code);
3795 switch (param->u.mlme.cmd) {
3796 case MLME_STA_DEAUTH:
3797 return prism2_sta_send_mgmt(local, param->sta_addr,
3798 IEEE80211_STYPE_DEAUTH,
3799 (u8 *) &reason, 2);
3800 case MLME_STA_DISASSOC:
3801 return prism2_sta_send_mgmt(local, param->sta_addr,
3802 IEEE80211_STYPE_DISASSOC,
3803 (u8 *) &reason, 2);
3804 default:
3805 return -EOPNOTSUPP;
3806 }
3807 }
3808
3809
3810 static int prism2_ioctl_scan_req(local_info_t *local,
3811 struct prism2_hostapd_param *param)
3812 {
3813 #ifndef PRISM2_NO_STATION_MODES
3814 if ((local->iw_mode != IW_MODE_INFRA &&
3815 local->iw_mode != IW_MODE_ADHOC) ||
3816 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3817 return -EOPNOTSUPP;
3818
3819 if (!local->dev_enabled)
3820 return -ENETDOWN;
3821
3822 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3823 param->u.scan_req.ssid_len);
3824 #else /* PRISM2_NO_STATION_MODES */
3825 return -EOPNOTSUPP;
3826 #endif /* PRISM2_NO_STATION_MODES */
3827 }
3828
3829
3830 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3831 {
3832 struct prism2_hostapd_param *param;
3833 int ret = 0;
3834 int ap_ioctl = 0;
3835
3836 if (p->length < sizeof(struct prism2_hostapd_param) ||
3837 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3838 return -EINVAL;
3839
3840 param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
3841 if (param == NULL)
3842 return -ENOMEM;
3843
3844 if (copy_from_user(param, p->pointer, p->length)) {
3845 ret = -EFAULT;
3846 goto out;
3847 }
3848
3849 switch (param->cmd) {
3850 case PRISM2_SET_ENCRYPTION:
3851 ret = prism2_ioctl_set_encryption(local, param, p->length);
3852 break;
3853 case PRISM2_GET_ENCRYPTION:
3854 ret = prism2_ioctl_get_encryption(local, param, p->length);
3855 break;
3856 case PRISM2_HOSTAPD_GET_RID:
3857 ret = prism2_ioctl_get_rid(local, param, p->length);
3858 break;
3859 case PRISM2_HOSTAPD_SET_RID:
3860 ret = prism2_ioctl_set_rid(local, param, p->length);
3861 break;
3862 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3863 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3864 break;
3865 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3866 ret = prism2_ioctl_set_generic_element(local, param,
3867 p->length);
3868 break;
3869 case PRISM2_HOSTAPD_MLME:
3870 ret = prism2_ioctl_mlme(local, param);
3871 break;
3872 case PRISM2_HOSTAPD_SCAN_REQ:
3873 ret = prism2_ioctl_scan_req(local, param);
3874 break;
3875 default:
3876 ret = prism2_hostapd(local->ap, param);
3877 ap_ioctl = 1;
3878 break;
3879 }
3880
3881 if (ret == 1 || !ap_ioctl) {
3882 if (copy_to_user(p->pointer, param, p->length)) {
3883 ret = -EFAULT;
3884 goto out;
3885 } else if (ap_ioctl)
3886 ret = 0;
3887 }
3888
3889 out:
3890 kfree(param);
3891 return ret;
3892 }
3893
3894
3895 static void prism2_get_drvinfo(struct net_device *dev,
3896 struct ethtool_drvinfo *info)
3897 {
3898 struct hostap_interface *iface;
3899 local_info_t *local;
3900
3901 iface = netdev_priv(dev);
3902 local = iface->local;
3903
3904 strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3905 strncpy(info->version, PRISM2_VERSION,
3906 sizeof(info->version) - 1);
3907 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3908 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3909 (local->sta_fw_ver >> 8) & 0xff,
3910 local->sta_fw_ver & 0xff);
3911 }
3912
3913 static struct ethtool_ops prism2_ethtool_ops = {
3914 .get_drvinfo = prism2_get_drvinfo
3915 };
3916
3917
3918 /* Structures to export the Wireless Handlers */
3919
3920 static const iw_handler prism2_handler[] =
3921 {
3922 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3923 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3924 (iw_handler) NULL, /* SIOCSIWNWID */
3925 (iw_handler) NULL, /* SIOCGIWNWID */
3926 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3927 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3928 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3929 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3930 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3931 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3932 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3933 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3934 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3935 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3936 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3937 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3938 iw_handler_set_spy, /* SIOCSIWSPY */
3939 iw_handler_get_spy, /* SIOCGIWSPY */
3940 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3941 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3942 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3943 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3944 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3945 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3946 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3947 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3948 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3949 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3950 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3951 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3952 (iw_handler) NULL, /* -- hole -- */
3953 (iw_handler) NULL, /* -- hole -- */
3954 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3955 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3956 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3957 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3958 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3959 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3960 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3961 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3962 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3963 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3964 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3965 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3966 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3967 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3968 (iw_handler) NULL, /* -- hole -- */
3969 (iw_handler) NULL, /* -- hole -- */
3970 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3971 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3972 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3973 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3974 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3975 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3976 (iw_handler) NULL, /* SIOCSIWPMKSA */
3977 (iw_handler) NULL, /* -- hole -- */
3978 };
3979
3980 static const iw_handler prism2_private_handler[] =
3981 { /* SIOCIWFIRSTPRIV + */
3982 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3983 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3984 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3985 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3986 };
3987
3988 static const struct iw_handler_def hostap_iw_handler_def =
3989 {
3990 .num_standard = sizeof(prism2_handler) / sizeof(iw_handler),
3991 .num_private = sizeof(prism2_private_handler) / sizeof(iw_handler),
3992 .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
3993 .standard = (iw_handler *) prism2_handler,
3994 .private = (iw_handler *) prism2_private_handler,
3995 .private_args = (struct iw_priv_args *) prism2_priv,
3996 .get_wireless_stats = hostap_get_wireless_stats,
3997 };
3998
3999
4000 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4001 {
4002 struct iwreq *wrq = (struct iwreq *) ifr;
4003 struct hostap_interface *iface;
4004 local_info_t *local;
4005 int ret = 0;
4006
4007 iface = netdev_priv(dev);
4008 local = iface->local;
4009
4010 switch (cmd) {
4011 /* Private ioctls (iwpriv) that have not yet been converted
4012 * into new wireless extensions API */
4013
4014 case PRISM2_IOCTL_INQUIRE:
4015 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4016 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4017 break;
4018
4019 case PRISM2_IOCTL_MONITOR:
4020 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4021 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4022 break;
4023
4024 case PRISM2_IOCTL_RESET:
4025 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4026 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4027 break;
4028
4029 case PRISM2_IOCTL_WDS_ADD:
4030 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4031 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4032 break;
4033
4034 case PRISM2_IOCTL_WDS_DEL:
4035 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4036 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4037 break;
4038
4039 case PRISM2_IOCTL_SET_RID_WORD:
4040 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4041 else ret = prism2_ioctl_priv_set_rid_word(dev,
4042 (int *) wrq->u.name);
4043 break;
4044
4045 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4046 case PRISM2_IOCTL_MACCMD:
4047 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4048 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4049 break;
4050
4051 case PRISM2_IOCTL_ADDMAC:
4052 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4053 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4054 wrq->u.ap_addr.sa_data);
4055 break;
4056 case PRISM2_IOCTL_DELMAC:
4057 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4058 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4059 wrq->u.ap_addr.sa_data);
4060 break;
4061 case PRISM2_IOCTL_KICKMAC:
4062 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4063 else ret = ap_control_kick_mac(local->ap, local->dev,
4064 wrq->u.ap_addr.sa_data);
4065 break;
4066 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4067
4068
4069 /* Private ioctls that are not used with iwpriv;
4070 * in SIOCDEVPRIVATE range */
4071
4072 #ifdef PRISM2_DOWNLOAD_SUPPORT
4073 case PRISM2_IOCTL_DOWNLOAD:
4074 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4075 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4076 break;
4077 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4078
4079 case PRISM2_IOCTL_HOSTAPD:
4080 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4081 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4082 break;
4083
4084 default:
4085 ret = -EOPNOTSUPP;
4086 break;
4087 }
4088
4089 return ret;
4090 }
Linux 2.6 libata-dev (mirror)