1 // SPDX-License-Identifier: GPL-2.0
2 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
3
4 #include <linux/slab.h>
5 #include <linux/types.h>
6 #include <linux/sched/signal.h>
7 #include <linux/ethtool.h>
8 #include <linux/if_arp.h>
9 #include <linux/module.h>
10 #include <linux/etherdevice.h>
11 #include <net/lib80211.h>
12
13 #include "hostap_wlan.h"
14 #include "hostap.h"
15 #include "hostap_ap.h"
16
hostap_get_wireless_stats(struct net_device * dev)17 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
18 {
19 struct hostap_interface *iface;
20 local_info_t *local;
21 struct iw_statistics *wstats;
22
23 iface = netdev_priv(dev);
24 local = iface->local;
25
26 /* Why are we doing that ? Jean II */
27 if (iface->type != HOSTAP_INTERFACE_MAIN)
28 return NULL;
29
30 wstats = &local->wstats;
31
32 wstats->status = 0;
33 wstats->discard.code =
34 local->comm_tallies.rx_discards_wep_undecryptable;
35 wstats->discard.misc =
36 local->comm_tallies.rx_fcs_errors +
37 local->comm_tallies.rx_discards_no_buffer +
38 local->comm_tallies.tx_discards_wrong_sa;
39
40 wstats->discard.retries =
41 local->comm_tallies.tx_retry_limit_exceeded;
42 wstats->discard.fragment =
43 local->comm_tallies.rx_message_in_bad_msg_fragments;
44
45 if (local->iw_mode != IW_MODE_MASTER &&
46 local->iw_mode != IW_MODE_REPEAT) {
47 int update = 1;
48 #ifdef in_atomic
49 /* RID reading might sleep and it must not be called in
50 * interrupt context or while atomic. However, this
51 * function seems to be called while atomic (at least in Linux
52 * 2.5.59). Update signal quality values only if in suitable
53 * context. Otherwise, previous values read from tick timer
54 * will be used. */
55 if (in_atomic())
56 update = 0;
57 #endif /* in_atomic */
58
59 if (update && prism2_update_comms_qual(dev) == 0)
60 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
61 IW_QUAL_DBM;
62
63 wstats->qual.qual = local->comms_qual;
64 wstats->qual.level = local->avg_signal;
65 wstats->qual.noise = local->avg_noise;
66 } else {
67 wstats->qual.qual = 0;
68 wstats->qual.level = 0;
69 wstats->qual.noise = 0;
70 wstats->qual.updated = IW_QUAL_ALL_INVALID;
71 }
72
73 return wstats;
74 }
75
76
prism2_get_datarates(struct net_device * dev,u8 * rates)77 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
78 {
79 struct hostap_interface *iface;
80 local_info_t *local;
81 u8 buf[12];
82 int len;
83 u16 val;
84
85 iface = netdev_priv(dev);
86 local = iface->local;
87
88 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
89 sizeof(buf), 0);
90 if (len < 2)
91 return 0;
92
93 val = le16_to_cpu(*(__le16 *) buf); /* string length */
94
95 if (len - 2 < val || val > 10)
96 return 0;
97
98 memcpy(rates, buf + 2, val);
99 return val;
100 }
101
102
prism2_get_name(struct net_device * dev,struct iw_request_info * info,char * name,char * extra)103 static int prism2_get_name(struct net_device *dev,
104 struct iw_request_info *info,
105 char *name, char *extra)
106 {
107 u8 rates[10];
108 int len, i, over2 = 0;
109
110 len = prism2_get_datarates(dev, rates);
111
112 for (i = 0; i < len; i++) {
113 if (rates[i] == 0x0b || rates[i] == 0x16) {
114 over2 = 1;
115 break;
116 }
117 }
118
119 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
120
121 return 0;
122 }
123
124
prism2_ioctl_siwencode(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * keybuf)125 static int prism2_ioctl_siwencode(struct net_device *dev,
126 struct iw_request_info *info,
127 struct iw_point *erq, char *keybuf)
128 {
129 struct hostap_interface *iface;
130 local_info_t *local;
131 int i;
132 struct lib80211_crypt_data **crypt;
133
134 iface = netdev_priv(dev);
135 local = iface->local;
136
137 i = erq->flags & IW_ENCODE_INDEX;
138 if (i < 1 || i > 4)
139 i = local->crypt_info.tx_keyidx;
140 else
141 i--;
142 if (i < 0 || i >= WEP_KEYS)
143 return -EINVAL;
144
145 crypt = &local->crypt_info.crypt[i];
146
147 if (erq->flags & IW_ENCODE_DISABLED) {
148 if (*crypt)
149 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
150 goto done;
151 }
152
153 if (*crypt != NULL && (*crypt)->ops != NULL &&
154 strcmp((*crypt)->ops->name, "WEP") != 0) {
155 /* changing to use WEP; deinit previously used algorithm */
156 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
157 }
158
159 if (*crypt == NULL) {
160 struct lib80211_crypt_data *new_crypt;
161
162 /* take WEP into use */
163 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
164 GFP_KERNEL);
165 if (new_crypt == NULL)
166 return -ENOMEM;
167 new_crypt->ops = lib80211_get_crypto_ops("WEP");
168 if (!new_crypt->ops) {
169 request_module("lib80211_crypt_wep");
170 new_crypt->ops = lib80211_get_crypto_ops("WEP");
171 }
172 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
173 new_crypt->priv = new_crypt->ops->init(i);
174 if (!new_crypt->ops || !new_crypt->priv) {
175 kfree(new_crypt);
176 new_crypt = NULL;
177
178 printk(KERN_WARNING "%s: could not initialize WEP: "
179 "load module hostap_crypt_wep.o\n",
180 dev->name);
181 return -EOPNOTSUPP;
182 }
183 *crypt = new_crypt;
184 }
185
186 if (erq->length > 0) {
187 int len = erq->length <= 5 ? 5 : 13;
188 int first = 1, j;
189 if (len > erq->length)
190 memset(keybuf + erq->length, 0, len - erq->length);
191 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
192 for (j = 0; j < WEP_KEYS; j++) {
193 if (j != i && local->crypt_info.crypt[j]) {
194 first = 0;
195 break;
196 }
197 }
198 if (first)
199 local->crypt_info.tx_keyidx = i;
200 } else {
201 /* No key data - just set the default TX key index */
202 local->crypt_info.tx_keyidx = i;
203 }
204
205 done:
206 local->open_wep = erq->flags & IW_ENCODE_OPEN;
207
208 if (hostap_set_encryption(local)) {
209 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
210 return -EINVAL;
211 }
212
213 /* Do not reset port0 if card is in Managed mode since resetting will
214 * generate new IEEE 802.11 authentication which may end up in looping
215 * with IEEE 802.1X. Prism2 documentation seem to require port reset
216 * after WEP configuration. However, keys are apparently changed at
217 * least in Managed mode. */
218 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
219 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
220 return -EINVAL;
221 }
222
223 return 0;
224 }
225
226
prism2_ioctl_giwencode(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * key)227 static int prism2_ioctl_giwencode(struct net_device *dev,
228 struct iw_request_info *info,
229 struct iw_point *erq, char *key)
230 {
231 struct hostap_interface *iface;
232 local_info_t *local;
233 int i, len;
234 u16 val;
235 struct lib80211_crypt_data *crypt;
236
237 iface = netdev_priv(dev);
238 local = iface->local;
239
240 i = erq->flags & IW_ENCODE_INDEX;
241 if (i < 1 || i > 4)
242 i = local->crypt_info.tx_keyidx;
243 else
244 i--;
245 if (i < 0 || i >= WEP_KEYS)
246 return -EINVAL;
247
248 crypt = local->crypt_info.crypt[i];
249 erq->flags = i + 1;
250
251 if (crypt == NULL || crypt->ops == NULL) {
252 erq->length = 0;
253 erq->flags |= IW_ENCODE_DISABLED;
254 return 0;
255 }
256
257 if (strcmp(crypt->ops->name, "WEP") != 0) {
258 /* only WEP is supported with wireless extensions, so just
259 * report that encryption is used */
260 erq->length = 0;
261 erq->flags |= IW_ENCODE_ENABLED;
262 return 0;
263 }
264
265 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
266 * the keys from driver buffer */
267 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
268 erq->length = (len >= 0 ? len : 0);
269
270 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
271 {
272 printk("CNFWEPFLAGS reading failed\n");
273 return -EOPNOTSUPP;
274 }
275 le16_to_cpus(&val);
276 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
277 erq->flags |= IW_ENCODE_ENABLED;
278 else
279 erq->flags |= IW_ENCODE_DISABLED;
280 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
281 erq->flags |= IW_ENCODE_RESTRICTED;
282 else
283 erq->flags |= IW_ENCODE_OPEN;
284
285 return 0;
286 }
287
288
hostap_set_rate(struct net_device * dev)289 static int hostap_set_rate(struct net_device *dev)
290 {
291 struct hostap_interface *iface;
292 local_info_t *local;
293 int ret, basic_rates;
294
295 iface = netdev_priv(dev);
296 local = iface->local;
297
298 basic_rates = local->basic_rates & local->tx_rate_control;
299 if (!basic_rates || basic_rates != local->basic_rates) {
300 printk(KERN_INFO "%s: updating basic rate set automatically "
301 "to match with the new supported rate set\n",
302 dev->name);
303 if (!basic_rates)
304 basic_rates = local->tx_rate_control;
305
306 local->basic_rates = basic_rates;
307 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
308 basic_rates))
309 printk(KERN_WARNING "%s: failed to set "
310 "cnfBasicRates\n", dev->name);
311 }
312
313 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
314 local->tx_rate_control) ||
315 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
316 local->tx_rate_control) ||
317 local->func->reset_port(dev));
318
319 if (ret) {
320 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
321 "setting to 0x%x failed\n",
322 dev->name, local->tx_rate_control);
323 }
324
325 /* Update TX rate configuration for all STAs based on new operational
326 * rate set. */
327 hostap_update_rates(local);
328
329 return ret;
330 }
331
332
prism2_ioctl_siwrate(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)333 static int prism2_ioctl_siwrate(struct net_device *dev,
334 struct iw_request_info *info,
335 struct iw_param *rrq, char *extra)
336 {
337 struct hostap_interface *iface;
338 local_info_t *local;
339
340 iface = netdev_priv(dev);
341 local = iface->local;
342
343 if (rrq->fixed) {
344 switch (rrq->value) {
345 case 11000000:
346 local->tx_rate_control = HFA384X_RATES_11MBPS;
347 break;
348 case 5500000:
349 local->tx_rate_control = HFA384X_RATES_5MBPS;
350 break;
351 case 2000000:
352 local->tx_rate_control = HFA384X_RATES_2MBPS;
353 break;
354 case 1000000:
355 local->tx_rate_control = HFA384X_RATES_1MBPS;
356 break;
357 default:
358 local->tx_rate_control = HFA384X_RATES_1MBPS |
359 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
360 HFA384X_RATES_11MBPS;
361 break;
362 }
363 } else {
364 switch (rrq->value) {
365 case 11000000:
366 local->tx_rate_control = HFA384X_RATES_1MBPS |
367 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
368 HFA384X_RATES_11MBPS;
369 break;
370 case 5500000:
371 local->tx_rate_control = HFA384X_RATES_1MBPS |
372 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
373 break;
374 case 2000000:
375 local->tx_rate_control = HFA384X_RATES_1MBPS |
376 HFA384X_RATES_2MBPS;
377 break;
378 case 1000000:
379 local->tx_rate_control = HFA384X_RATES_1MBPS;
380 break;
381 default:
382 local->tx_rate_control = HFA384X_RATES_1MBPS |
383 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
384 HFA384X_RATES_11MBPS;
385 break;
386 }
387 }
388
389 return hostap_set_rate(dev);
390 }
391
392
prism2_ioctl_giwrate(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)393 static int prism2_ioctl_giwrate(struct net_device *dev,
394 struct iw_request_info *info,
395 struct iw_param *rrq, char *extra)
396 {
397 u16 val;
398 struct hostap_interface *iface;
399 local_info_t *local;
400 int ret = 0;
401
402 iface = netdev_priv(dev);
403 local = iface->local;
404
405 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
406 0)
407 return -EINVAL;
408
409 if ((val & 0x1) && (val > 1))
410 rrq->fixed = 0;
411 else
412 rrq->fixed = 1;
413
414 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
415 !local->fw_tx_rate_control) {
416 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
417 * Host AP mode, so use the recorded TX rate of the last sent
418 * frame */
419 rrq->value = local->ap->last_tx_rate > 0 ?
420 local->ap->last_tx_rate * 100000 : 11000000;
421 return 0;
422 }
423
424 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
425 0)
426 return -EINVAL;
427
428 switch (val) {
429 case HFA384X_RATES_1MBPS:
430 rrq->value = 1000000;
431 break;
432 case HFA384X_RATES_2MBPS:
433 rrq->value = 2000000;
434 break;
435 case HFA384X_RATES_5MBPS:
436 rrq->value = 5500000;
437 break;
438 case HFA384X_RATES_11MBPS:
439 rrq->value = 11000000;
440 break;
441 default:
442 /* should not happen */
443 rrq->value = 11000000;
444 ret = -EINVAL;
445 break;
446 }
447
448 return ret;
449 }
450
451
prism2_ioctl_siwsens(struct net_device * dev,struct iw_request_info * info,struct iw_param * sens,char * extra)452 static int prism2_ioctl_siwsens(struct net_device *dev,
453 struct iw_request_info *info,
454 struct iw_param *sens, char *extra)
455 {
456 struct hostap_interface *iface;
457 local_info_t *local;
458
459 iface = netdev_priv(dev);
460 local = iface->local;
461
462 /* Set the desired AP density */
463 if (sens->value < 1 || sens->value > 3)
464 return -EINVAL;
465
466 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
467 local->func->reset_port(dev))
468 return -EINVAL;
469
470 return 0;
471 }
472
prism2_ioctl_giwsens(struct net_device * dev,struct iw_request_info * info,struct iw_param * sens,char * extra)473 static int prism2_ioctl_giwsens(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 __le16 val;
480
481 iface = netdev_priv(dev);
482 local = iface->local;
483
484 /* Get the current AP density */
485 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
486 0)
487 return -EINVAL;
488
489 sens->value = le16_to_cpu(val);
490 sens->fixed = 1;
491
492 return 0;
493 }
494
495
496 /* Deprecated in new wireless extension API */
prism2_ioctl_giwaplist(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)497 static int prism2_ioctl_giwaplist(struct net_device *dev,
498 struct iw_request_info *info,
499 struct iw_point *data, char *extra)
500 {
501 struct hostap_interface *iface;
502 local_info_t *local;
503 struct sockaddr *addr;
504 struct iw_quality *qual;
505
506 iface = netdev_priv(dev);
507 local = iface->local;
508
509 if (local->iw_mode != IW_MODE_MASTER) {
510 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
511 "in Host AP mode\n");
512 data->length = 0;
513 return -EOPNOTSUPP;
514 }
515
516 addr = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
517 qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL);
518 if (addr == NULL || qual == NULL) {
519 kfree(addr);
520 kfree(qual);
521 data->length = 0;
522 return -ENOMEM;
523 }
524
525 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
526
527 memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
528 data->flags = 1; /* has quality information */
529 memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
530 sizeof(struct iw_quality) * data->length);
531
532 kfree(addr);
533 kfree(qual);
534 return 0;
535 }
536
537
prism2_ioctl_siwrts(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)538 static int prism2_ioctl_siwrts(struct net_device *dev,
539 struct iw_request_info *info,
540 struct iw_param *rts, char *extra)
541 {
542 struct hostap_interface *iface;
543 local_info_t *local;
544 __le16 val;
545
546 iface = netdev_priv(dev);
547 local = iface->local;
548
549 if (rts->disabled)
550 val = cpu_to_le16(2347);
551 else if (rts->value < 0 || rts->value > 2347)
552 return -EINVAL;
553 else
554 val = cpu_to_le16(rts->value);
555
556 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
557 local->func->reset_port(dev))
558 return -EINVAL;
559
560 local->rts_threshold = rts->value;
561
562 return 0;
563 }
564
prism2_ioctl_giwrts(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)565 static int prism2_ioctl_giwrts(struct net_device *dev,
566 struct iw_request_info *info,
567 struct iw_param *rts, char *extra)
568 {
569 struct hostap_interface *iface;
570 local_info_t *local;
571 __le16 val;
572
573 iface = netdev_priv(dev);
574 local = iface->local;
575
576 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
577 0)
578 return -EINVAL;
579
580 rts->value = le16_to_cpu(val);
581 rts->disabled = (rts->value == 2347);
582 rts->fixed = 1;
583
584 return 0;
585 }
586
587
prism2_ioctl_siwfrag(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)588 static int prism2_ioctl_siwfrag(struct net_device *dev,
589 struct iw_request_info *info,
590 struct iw_param *rts, char *extra)
591 {
592 struct hostap_interface *iface;
593 local_info_t *local;
594 __le16 val;
595
596 iface = netdev_priv(dev);
597 local = iface->local;
598
599 if (rts->disabled)
600 val = cpu_to_le16(2346);
601 else if (rts->value < 256 || rts->value > 2346)
602 return -EINVAL;
603 else
604 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
605
606 local->fragm_threshold = rts->value & ~0x1;
607 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
608 2)
609 || local->func->reset_port(dev))
610 return -EINVAL;
611
612 return 0;
613 }
614
prism2_ioctl_giwfrag(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)615 static int prism2_ioctl_giwfrag(struct net_device *dev,
616 struct iw_request_info *info,
617 struct iw_param *rts, char *extra)
618 {
619 struct hostap_interface *iface;
620 local_info_t *local;
621 __le16 val;
622
623 iface = netdev_priv(dev);
624 local = iface->local;
625
626 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
627 &val, 2, 1) < 0)
628 return -EINVAL;
629
630 rts->value = le16_to_cpu(val);
631 rts->disabled = (rts->value == 2346);
632 rts->fixed = 1;
633
634 return 0;
635 }
636
637
638 #ifndef PRISM2_NO_STATION_MODES
hostap_join_ap(struct net_device * dev)639 static int hostap_join_ap(struct net_device *dev)
640 {
641 struct hostap_interface *iface;
642 local_info_t *local;
643 struct hfa384x_join_request req;
644 unsigned long flags;
645 int i;
646 struct hfa384x_hostscan_result *entry;
647
648 iface = netdev_priv(dev);
649 local = iface->local;
650
651 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
652 req.channel = 0;
653
654 spin_lock_irqsave(&local->lock, flags);
655 for (i = 0; i < local->last_scan_results_count; i++) {
656 if (!local->last_scan_results)
657 break;
658 entry = &local->last_scan_results[i];
659 if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
660 req.channel = entry->chid;
661 break;
662 }
663 }
664 spin_unlock_irqrestore(&local->lock, flags);
665
666 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
667 sizeof(req))) {
668 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
669 dev->name, local->preferred_ap);
670 return -1;
671 }
672
673 printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
674 dev->name, local->preferred_ap);
675
676 return 0;
677 }
678 #endif /* PRISM2_NO_STATION_MODES */
679
680
prism2_ioctl_siwap(struct net_device * dev,struct iw_request_info * info,struct sockaddr * ap_addr,char * extra)681 static int prism2_ioctl_siwap(struct net_device *dev,
682 struct iw_request_info *info,
683 struct sockaddr *ap_addr, char *extra)
684 {
685 #ifdef PRISM2_NO_STATION_MODES
686 return -EOPNOTSUPP;
687 #else /* PRISM2_NO_STATION_MODES */
688 struct hostap_interface *iface;
689 local_info_t *local;
690
691 iface = netdev_priv(dev);
692 local = iface->local;
693
694 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
695
696 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
697 struct hfa384x_scan_request scan_req;
698 memset(&scan_req, 0, sizeof(scan_req));
699 scan_req.channel_list = cpu_to_le16(0x3fff);
700 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
701 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
702 &scan_req, sizeof(scan_req))) {
703 printk(KERN_DEBUG "%s: ScanResults request failed - "
704 "preferred AP delayed to next unsolicited "
705 "scan\n", dev->name);
706 }
707 } else if (local->host_roaming == 2 &&
708 local->iw_mode == IW_MODE_INFRA) {
709 if (hostap_join_ap(dev))
710 return -EINVAL;
711 } else {
712 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
713 "in Managed mode when host_roaming is enabled\n",
714 dev->name);
715 }
716
717 return 0;
718 #endif /* PRISM2_NO_STATION_MODES */
719 }
720
prism2_ioctl_giwap(struct net_device * dev,struct iw_request_info * info,struct sockaddr * ap_addr,char * extra)721 static int prism2_ioctl_giwap(struct net_device *dev,
722 struct iw_request_info *info,
723 struct sockaddr *ap_addr, char *extra)
724 {
725 struct hostap_interface *iface;
726 local_info_t *local;
727
728 iface = netdev_priv(dev);
729 local = iface->local;
730
731 ap_addr->sa_family = ARPHRD_ETHER;
732 switch (iface->type) {
733 case HOSTAP_INTERFACE_AP:
734 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
735 break;
736 case HOSTAP_INTERFACE_STA:
737 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
738 break;
739 case HOSTAP_INTERFACE_WDS:
740 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
741 break;
742 default:
743 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
744 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
745 return -EOPNOTSUPP;
746
747 /* local->bssid is also updated in LinkStatus handler when in
748 * station mode */
749 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
750 break;
751 }
752
753 return 0;
754 }
755
756
prism2_ioctl_siwnickn(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * nickname)757 static int prism2_ioctl_siwnickn(struct net_device *dev,
758 struct iw_request_info *info,
759 struct iw_point *data, char *nickname)
760 {
761 struct hostap_interface *iface;
762 local_info_t *local;
763
764 iface = netdev_priv(dev);
765 local = iface->local;
766
767 memset(local->name, 0, sizeof(local->name));
768 memcpy(local->name, nickname, data->length);
769 local->name_set = 1;
770
771 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
772 local->func->reset_port(dev))
773 return -EINVAL;
774
775 return 0;
776 }
777
prism2_ioctl_giwnickn(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * nickname)778 static int prism2_ioctl_giwnickn(struct net_device *dev,
779 struct iw_request_info *info,
780 struct iw_point *data, char *nickname)
781 {
782 struct hostap_interface *iface;
783 local_info_t *local;
784 int len;
785 char name[MAX_NAME_LEN + 3];
786 u16 val;
787
788 iface = netdev_priv(dev);
789 local = iface->local;
790
791 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
792 &name, MAX_NAME_LEN + 2, 0);
793 val = le16_to_cpu(*(__le16 *) name);
794 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
795 return -EOPNOTSUPP;
796
797 name[val + 2] = '\0';
798 data->length = val + 1;
799 memcpy(nickname, name + 2, val + 1);
800
801 return 0;
802 }
803
804
prism2_ioctl_siwfreq(struct net_device * dev,struct iw_request_info * info,struct iw_freq * freq,char * extra)805 static int prism2_ioctl_siwfreq(struct net_device *dev,
806 struct iw_request_info *info,
807 struct iw_freq *freq, char *extra)
808 {
809 struct hostap_interface *iface;
810 local_info_t *local;
811
812 iface = netdev_priv(dev);
813 local = iface->local;
814
815 /* freq => chan. */
816 if (freq->e == 1 &&
817 freq->m / 100000 >= freq_list[0] &&
818 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
819 int ch;
820 int fr = freq->m / 100000;
821 for (ch = 0; ch < FREQ_COUNT; ch++) {
822 if (fr == freq_list[ch]) {
823 freq->e = 0;
824 freq->m = ch + 1;
825 break;
826 }
827 }
828 }
829
830 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
831 !(local->channel_mask & (1 << (freq->m - 1))))
832 return -EINVAL;
833
834 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
835 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
836 local->func->reset_port(dev))
837 return -EINVAL;
838
839 return 0;
840 }
841
prism2_ioctl_giwfreq(struct net_device * dev,struct iw_request_info * info,struct iw_freq * freq,char * extra)842 static int prism2_ioctl_giwfreq(struct net_device *dev,
843 struct iw_request_info *info,
844 struct iw_freq *freq, char *extra)
845 {
846 struct hostap_interface *iface;
847 local_info_t *local;
848 u16 val;
849
850 iface = netdev_priv(dev);
851 local = iface->local;
852
853 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
854 0)
855 return -EINVAL;
856
857 le16_to_cpus(&val);
858 if (val < 1 || val > FREQ_COUNT)
859 return -EINVAL;
860
861 freq->m = freq_list[val - 1] * 100000;
862 freq->e = 1;
863
864 return 0;
865 }
866
867
hostap_monitor_set_type(local_info_t * local)868 static void hostap_monitor_set_type(local_info_t *local)
869 {
870 struct net_device *dev = local->ddev;
871
872 if (dev == NULL)
873 return;
874
875 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
876 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
877 dev->type = ARPHRD_IEEE80211_PRISM;
878 } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
879 dev->type = ARPHRD_IEEE80211_RADIOTAP;
880 } else {
881 dev->type = ARPHRD_IEEE80211;
882 }
883 }
884
885
prism2_ioctl_siwessid(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * ssid)886 static int prism2_ioctl_siwessid(struct net_device *dev,
887 struct iw_request_info *info,
888 struct iw_point *data, char *ssid)
889 {
890 struct hostap_interface *iface;
891 local_info_t *local;
892
893 iface = netdev_priv(dev);
894 local = iface->local;
895
896 if (iface->type == HOSTAP_INTERFACE_WDS)
897 return -EOPNOTSUPP;
898
899 if (data->flags == 0)
900 ssid[0] = '\0'; /* ANY */
901
902 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
903 /* Setting SSID to empty string seems to kill the card in
904 * Host AP mode */
905 printk(KERN_DEBUG "%s: Host AP mode does not support "
906 "'Any' essid\n", dev->name);
907 return -EINVAL;
908 }
909
910 memcpy(local->essid, ssid, data->length);
911 local->essid[data->length] = '\0';
912
913 if ((!local->fw_ap &&
914 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
915 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
916 local->func->reset_port(dev))
917 return -EINVAL;
918
919 return 0;
920 }
921
prism2_ioctl_giwessid(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * essid)922 static int prism2_ioctl_giwessid(struct net_device *dev,
923 struct iw_request_info *info,
924 struct iw_point *data, char *essid)
925 {
926 struct hostap_interface *iface;
927 local_info_t *local;
928 u16 val;
929
930 iface = netdev_priv(dev);
931 local = iface->local;
932
933 if (iface->type == HOSTAP_INTERFACE_WDS)
934 return -EOPNOTSUPP;
935
936 data->flags = 1; /* active */
937 if (local->iw_mode == IW_MODE_MASTER) {
938 data->length = strlen(local->essid);
939 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
940 } else {
941 int len;
942 char ssid[MAX_SSID_LEN + 2];
943 memset(ssid, 0, sizeof(ssid));
944 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
945 &ssid, MAX_SSID_LEN + 2, 0);
946 val = le16_to_cpu(*(__le16 *) ssid);
947 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
948 return -EOPNOTSUPP;
949 }
950 data->length = val;
951 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
952 }
953
954 return 0;
955 }
956
957
prism2_ioctl_giwrange(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)958 static int prism2_ioctl_giwrange(struct net_device *dev,
959 struct iw_request_info *info,
960 struct iw_point *data, char *extra)
961 {
962 struct hostap_interface *iface;
963 local_info_t *local;
964 struct iw_range *range = (struct iw_range *) extra;
965 u8 rates[10];
966 u16 val;
967 int i, len, over2;
968
969 iface = netdev_priv(dev);
970 local = iface->local;
971
972 data->length = sizeof(struct iw_range);
973 memset(range, 0, sizeof(struct iw_range));
974
975 /* TODO: could fill num_txpower and txpower array with
976 * something; however, there are 128 different values.. */
977
978 range->txpower_capa = IW_TXPOW_DBM;
979
980 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
981 {
982 range->min_pmp = 1 * 1024;
983 range->max_pmp = 65535 * 1024;
984 range->min_pmt = 1 * 1024;
985 range->max_pmt = 1000 * 1024;
986 range->pmp_flags = IW_POWER_PERIOD;
987 range->pmt_flags = IW_POWER_TIMEOUT;
988 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
989 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
990 }
991
992 range->we_version_compiled = WIRELESS_EXT;
993 range->we_version_source = 18;
994
995 range->retry_capa = IW_RETRY_LIMIT;
996 range->retry_flags = IW_RETRY_LIMIT;
997 range->min_retry = 0;
998 range->max_retry = 255;
999
1000 range->num_channels = FREQ_COUNT;
1001
1002 val = 0;
1003 for (i = 0; i < FREQ_COUNT; i++) {
1004 if (local->channel_mask & (1 << i)) {
1005 range->freq[val].i = i + 1;
1006 range->freq[val].m = freq_list[i] * 100000;
1007 range->freq[val].e = 1;
1008 val++;
1009 }
1010 if (val == IW_MAX_FREQUENCIES)
1011 break;
1012 }
1013 range->num_frequency = val;
1014
1015 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1016 range->max_qual.qual = 70; /* what is correct max? This was not
1017 * documented exactly. At least
1018 * 69 has been observed. */
1019 range->max_qual.level = 0; /* dB */
1020 range->max_qual.noise = 0; /* dB */
1021
1022 /* What would be suitable values for "average/typical" qual? */
1023 range->avg_qual.qual = 20;
1024 range->avg_qual.level = -60;
1025 range->avg_qual.noise = -95;
1026 } else {
1027 range->max_qual.qual = 92; /* 0 .. 92 */
1028 range->max_qual.level = 154; /* 27 .. 154 */
1029 range->max_qual.noise = 154; /* 27 .. 154 */
1030 }
1031 range->sensitivity = 3;
1032
1033 range->max_encoding_tokens = WEP_KEYS;
1034 range->num_encoding_sizes = 2;
1035 range->encoding_size[0] = 5;
1036 range->encoding_size[1] = 13;
1037
1038 over2 = 0;
1039 len = prism2_get_datarates(dev, rates);
1040 range->num_bitrates = 0;
1041 for (i = 0; i < len; i++) {
1042 if (range->num_bitrates < IW_MAX_BITRATES) {
1043 range->bitrate[range->num_bitrates] =
1044 rates[i] * 500000;
1045 range->num_bitrates++;
1046 }
1047 if (rates[i] == 0x0b || rates[i] == 0x16)
1048 over2 = 1;
1049 }
1050 /* estimated maximum TCP throughput values (bps) */
1051 range->throughput = over2 ? 5500000 : 1500000;
1052
1053 range->min_rts = 0;
1054 range->max_rts = 2347;
1055 range->min_frag = 256;
1056 range->max_frag = 2346;
1057
1058 /* Event capability (kernel + driver) */
1059 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1060 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1061 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1062 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1063 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1064 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1065 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1066 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1067 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1068
1069 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1070 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1071
1072 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1073 range->scan_capa = IW_SCAN_CAPA_ESSID;
1074
1075 return 0;
1076 }
1077
1078
hostap_monitor_mode_enable(local_info_t * local)1079 static int hostap_monitor_mode_enable(local_info_t *local)
1080 {
1081 struct net_device *dev = local->dev;
1082
1083 printk(KERN_DEBUG "Enabling monitor mode\n");
1084 hostap_monitor_set_type(local);
1085
1086 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1087 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1088 printk(KERN_DEBUG "Port type setting for monitor mode "
1089 "failed\n");
1090 return -EOPNOTSUPP;
1091 }
1092
1093 /* Host decrypt is needed to get the IV and ICV fields;
1094 * however, monitor mode seems to remove WEP flag from frame
1095 * control field */
1096 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1097 HFA384X_WEPFLAGS_HOSTENCRYPT |
1098 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1099 printk(KERN_DEBUG "WEP flags setting failed\n");
1100 return -EOPNOTSUPP;
1101 }
1102
1103 if (local->func->reset_port(dev) ||
1104 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1105 (HFA384X_TEST_MONITOR << 8),
1106 0, NULL, NULL)) {
1107 printk(KERN_DEBUG "Setting monitor mode failed\n");
1108 return -EOPNOTSUPP;
1109 }
1110
1111 return 0;
1112 }
1113
1114
hostap_monitor_mode_disable(local_info_t * local)1115 static int hostap_monitor_mode_disable(local_info_t *local)
1116 {
1117 struct net_device *dev = local->ddev;
1118
1119 if (dev == NULL)
1120 return -1;
1121
1122 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1123 dev->type = ARPHRD_ETHER;
1124
1125 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1126 (HFA384X_TEST_STOP << 8),
1127 0, NULL, NULL))
1128 return -1;
1129 return hostap_set_encryption(local);
1130 }
1131
1132
prism2_ioctl_siwmode(struct net_device * dev,struct iw_request_info * info,__u32 * mode,char * extra)1133 static int prism2_ioctl_siwmode(struct net_device *dev,
1134 struct iw_request_info *info,
1135 __u32 *mode, char *extra)
1136 {
1137 struct hostap_interface *iface;
1138 local_info_t *local;
1139 int double_reset = 0;
1140
1141 iface = netdev_priv(dev);
1142 local = iface->local;
1143
1144 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1145 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1146 *mode != IW_MODE_MONITOR)
1147 return -EOPNOTSUPP;
1148
1149 #ifdef PRISM2_NO_STATION_MODES
1150 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1151 return -EOPNOTSUPP;
1152 #endif /* PRISM2_NO_STATION_MODES */
1153
1154 if (*mode == local->iw_mode)
1155 return 0;
1156
1157 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1158 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1159 "mode\n", dev->name);
1160 return -EINVAL;
1161 }
1162
1163 if (local->iw_mode == IW_MODE_MONITOR)
1164 hostap_monitor_mode_disable(local);
1165
1166 if ((local->iw_mode == IW_MODE_ADHOC ||
1167 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1168 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1169 * that leaves beacon frames to use IBSS type when moving from
1170 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1171 * enough to workaround this. */
1172 double_reset = 1;
1173 }
1174
1175 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1176 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1177 local->iw_mode = *mode;
1178
1179 if (local->iw_mode == IW_MODE_MONITOR)
1180 hostap_monitor_mode_enable(local);
1181 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1182 !local->fw_encrypt_ok) {
1183 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1184 "a workaround for firmware bug in Host AP mode WEP\n",
1185 dev->name);
1186 local->host_encrypt = 1;
1187 }
1188
1189 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1190 hostap_get_porttype(local)))
1191 return -EOPNOTSUPP;
1192
1193 if (local->func->reset_port(dev))
1194 return -EINVAL;
1195 if (double_reset && local->func->reset_port(dev))
1196 return -EINVAL;
1197
1198 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1199 {
1200 /* netif_carrier is used only in client modes for now, so make
1201 * sure carrier is on when moving to non-client modes. */
1202 netif_carrier_on(local->dev);
1203 netif_carrier_on(local->ddev);
1204 }
1205 return 0;
1206 }
1207
1208
prism2_ioctl_giwmode(struct net_device * dev,struct iw_request_info * info,__u32 * mode,char * extra)1209 static int prism2_ioctl_giwmode(struct net_device *dev,
1210 struct iw_request_info *info,
1211 __u32 *mode, char *extra)
1212 {
1213 struct hostap_interface *iface;
1214 local_info_t *local;
1215
1216 iface = netdev_priv(dev);
1217 local = iface->local;
1218
1219 switch (iface->type) {
1220 case HOSTAP_INTERFACE_STA:
1221 *mode = IW_MODE_INFRA;
1222 break;
1223 case HOSTAP_INTERFACE_WDS:
1224 *mode = IW_MODE_REPEAT;
1225 break;
1226 default:
1227 *mode = local->iw_mode;
1228 break;
1229 }
1230 return 0;
1231 }
1232
1233
prism2_ioctl_siwpower(struct net_device * dev,struct iw_request_info * info,struct iw_param * wrq,char * extra)1234 static int prism2_ioctl_siwpower(struct net_device *dev,
1235 struct iw_request_info *info,
1236 struct iw_param *wrq, char *extra)
1237 {
1238 #ifdef PRISM2_NO_STATION_MODES
1239 return -EOPNOTSUPP;
1240 #else /* PRISM2_NO_STATION_MODES */
1241 int ret = 0;
1242
1243 if (wrq->disabled)
1244 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1245
1246 switch (wrq->flags & IW_POWER_MODE) {
1247 case IW_POWER_UNICAST_R:
1248 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1249 if (ret)
1250 return ret;
1251 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1252 if (ret)
1253 return ret;
1254 break;
1255 case IW_POWER_ALL_R:
1256 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1257 if (ret)
1258 return ret;
1259 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1260 if (ret)
1261 return ret;
1262 break;
1263 case IW_POWER_ON:
1264 break;
1265 default:
1266 return -EINVAL;
1267 }
1268
1269 if (wrq->flags & IW_POWER_TIMEOUT) {
1270 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1271 if (ret)
1272 return ret;
1273 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1274 wrq->value / 1024);
1275 if (ret)
1276 return ret;
1277 }
1278 if (wrq->flags & IW_POWER_PERIOD) {
1279 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1280 if (ret)
1281 return ret;
1282 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1283 wrq->value / 1024);
1284 if (ret)
1285 return ret;
1286 }
1287
1288 return ret;
1289 #endif /* PRISM2_NO_STATION_MODES */
1290 }
1291
1292
prism2_ioctl_giwpower(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1293 static int prism2_ioctl_giwpower(struct net_device *dev,
1294 struct iw_request_info *info,
1295 struct iw_param *rrq, char *extra)
1296 {
1297 #ifdef PRISM2_NO_STATION_MODES
1298 return -EOPNOTSUPP;
1299 #else /* PRISM2_NO_STATION_MODES */
1300 struct hostap_interface *iface;
1301 local_info_t *local;
1302 __le16 enable, mcast;
1303
1304 iface = netdev_priv(dev);
1305 local = iface->local;
1306
1307 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1308 < 0)
1309 return -EINVAL;
1310
1311 if (!le16_to_cpu(enable)) {
1312 rrq->disabled = 1;
1313 return 0;
1314 }
1315
1316 rrq->disabled = 0;
1317
1318 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1319 __le16 timeout;
1320 if (local->func->get_rid(dev,
1321 HFA384X_RID_CNFPMHOLDOVERDURATION,
1322 &timeout, 2, 1) < 0)
1323 return -EINVAL;
1324
1325 rrq->flags = IW_POWER_TIMEOUT;
1326 rrq->value = le16_to_cpu(timeout) * 1024;
1327 } else {
1328 __le16 period;
1329 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1330 &period, 2, 1) < 0)
1331 return -EINVAL;
1332
1333 rrq->flags = IW_POWER_PERIOD;
1334 rrq->value = le16_to_cpu(period) * 1024;
1335 }
1336
1337 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1338 2, 1) < 0)
1339 return -EINVAL;
1340
1341 if (le16_to_cpu(mcast))
1342 rrq->flags |= IW_POWER_ALL_R;
1343 else
1344 rrq->flags |= IW_POWER_UNICAST_R;
1345
1346 return 0;
1347 #endif /* PRISM2_NO_STATION_MODES */
1348 }
1349
1350
prism2_ioctl_siwretry(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1351 static int prism2_ioctl_siwretry(struct net_device *dev,
1352 struct iw_request_info *info,
1353 struct iw_param *rrq, char *extra)
1354 {
1355 struct hostap_interface *iface;
1356 local_info_t *local;
1357
1358 iface = netdev_priv(dev);
1359 local = iface->local;
1360
1361 if (rrq->disabled)
1362 return -EINVAL;
1363
1364 /* setting retry limits is not supported with the current station
1365 * firmware code; simulate this with alternative retry count for now */
1366 if (rrq->flags == IW_RETRY_LIMIT) {
1367 if (rrq->value < 0) {
1368 /* disable manual retry count setting and use firmware
1369 * defaults */
1370 local->manual_retry_count = -1;
1371 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1372 } else {
1373 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1374 rrq->value)) {
1375 printk(KERN_DEBUG "%s: Alternate retry count "
1376 "setting to %d failed\n",
1377 dev->name, rrq->value);
1378 return -EOPNOTSUPP;
1379 }
1380
1381 local->manual_retry_count = rrq->value;
1382 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1383 }
1384 return 0;
1385 }
1386
1387 return -EOPNOTSUPP;
1388
1389 #if 0
1390 /* what could be done, if firmware would support this.. */
1391
1392 if (rrq->flags & IW_RETRY_LIMIT) {
1393 if (rrq->flags & IW_RETRY_LONG)
1394 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1395 else if (rrq->flags & IW_RETRY_SHORT)
1396 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1397 else {
1398 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1399 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1400 }
1401
1402 }
1403
1404 if (rrq->flags & IW_RETRY_LIFETIME) {
1405 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1406 }
1407
1408 return 0;
1409 #endif /* 0 */
1410 }
1411
prism2_ioctl_giwretry(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1412 static int prism2_ioctl_giwretry(struct net_device *dev,
1413 struct iw_request_info *info,
1414 struct iw_param *rrq, char *extra)
1415 {
1416 struct hostap_interface *iface;
1417 local_info_t *local;
1418 __le16 shortretry, longretry, lifetime, altretry;
1419
1420 iface = netdev_priv(dev);
1421 local = iface->local;
1422
1423 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1424 2, 1) < 0 ||
1425 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1426 2, 1) < 0 ||
1427 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1428 &lifetime, 2, 1) < 0)
1429 return -EINVAL;
1430
1431 rrq->disabled = 0;
1432
1433 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1434 rrq->flags = IW_RETRY_LIFETIME;
1435 rrq->value = le16_to_cpu(lifetime) * 1024;
1436 } else {
1437 if (local->manual_retry_count >= 0) {
1438 rrq->flags = IW_RETRY_LIMIT;
1439 if (local->func->get_rid(dev,
1440 HFA384X_RID_CNFALTRETRYCOUNT,
1441 &altretry, 2, 1) >= 0)
1442 rrq->value = le16_to_cpu(altretry);
1443 else
1444 rrq->value = local->manual_retry_count;
1445 } else if ((rrq->flags & IW_RETRY_LONG)) {
1446 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1447 rrq->value = le16_to_cpu(longretry);
1448 } else {
1449 rrq->flags = IW_RETRY_LIMIT;
1450 rrq->value = le16_to_cpu(shortretry);
1451 if (shortretry != longretry)
1452 rrq->flags |= IW_RETRY_SHORT;
1453 }
1454 }
1455 return 0;
1456 }
1457
1458
1459 /* Note! This TX power controlling is experimental and should not be used in
1460 * production use. It just sets raw power register and does not use any kind of
1461 * feedback information from the measured TX power (CR58). This is now
1462 * commented out to make sure that it is not used by accident. TX power
1463 * configuration will be enabled again after proper algorithm using feedback
1464 * has been implemented. */
1465
1466 #ifdef RAW_TXPOWER_SETTING
1467 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1468 * This version assumes following mapping:
1469 * CR31 is 7-bit value with -64 to +63 range.
1470 * -64 is mapped into +20dBm and +63 into -43dBm.
1471 * This is certainly not an exact mapping for every card, but at least
1472 * increasing dBm value should correspond to increasing TX power.
1473 */
1474
prism2_txpower_hfa386x_to_dBm(u16 val)1475 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1476 {
1477 signed char tmp;
1478
1479 if (val > 255)
1480 val = 255;
1481
1482 tmp = val;
1483 tmp >>= 2;
1484
1485 return -12 - tmp;
1486 }
1487
prism2_txpower_dBm_to_hfa386x(int val)1488 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1489 {
1490 signed char tmp;
1491
1492 if (val > 20)
1493 return 128;
1494 else if (val < -43)
1495 return 127;
1496
1497 tmp = val;
1498 tmp = -12 - tmp;
1499 tmp <<= 2;
1500
1501 return (unsigned char) tmp;
1502 }
1503 #endif /* RAW_TXPOWER_SETTING */
1504
1505
prism2_ioctl_siwtxpow(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1506 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1507 struct iw_request_info *info,
1508 struct iw_param *rrq, char *extra)
1509 {
1510 struct hostap_interface *iface;
1511 local_info_t *local;
1512 #ifdef RAW_TXPOWER_SETTING
1513 char *tmp;
1514 #endif
1515 u16 val;
1516 int ret = 0;
1517
1518 iface = netdev_priv(dev);
1519 local = iface->local;
1520
1521 if (rrq->disabled) {
1522 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1523 val = 0xff; /* use all standby and sleep modes */
1524 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1525 HFA386X_CR_A_D_TEST_MODES2,
1526 &val, NULL);
1527 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1528 dev->name, ret ? "failed" : "OK");
1529 local->txpower_type = PRISM2_TXPOWER_OFF;
1530 }
1531 return (ret ? -EOPNOTSUPP : 0);
1532 }
1533
1534 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1535 val = 0; /* disable all standby and sleep modes */
1536 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1537 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1538 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1539 dev->name, ret ? "failed" : "OK");
1540 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1541 }
1542
1543 #ifdef RAW_TXPOWER_SETTING
1544 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1545 printk(KERN_DEBUG "Setting ALC on\n");
1546 val = HFA384X_TEST_CFG_BIT_ALC;
1547 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1548 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1549 local->txpower_type = PRISM2_TXPOWER_AUTO;
1550 return 0;
1551 }
1552
1553 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1554 printk(KERN_DEBUG "Setting ALC off\n");
1555 val = HFA384X_TEST_CFG_BIT_ALC;
1556 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1557 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1558 local->txpower_type = PRISM2_TXPOWER_FIXED;
1559 }
1560
1561 if (rrq->flags == IW_TXPOW_DBM)
1562 tmp = "dBm";
1563 else if (rrq->flags == IW_TXPOW_MWATT)
1564 tmp = "mW";
1565 else
1566 tmp = "UNKNOWN";
1567 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1568
1569 if (rrq->flags != IW_TXPOW_DBM) {
1570 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1571 return -EOPNOTSUPP;
1572 }
1573
1574 local->txpower = rrq->value;
1575 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1576 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1577 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1578 ret = -EOPNOTSUPP;
1579 #else /* RAW_TXPOWER_SETTING */
1580 if (rrq->fixed)
1581 ret = -EOPNOTSUPP;
1582 #endif /* RAW_TXPOWER_SETTING */
1583
1584 return ret;
1585 }
1586
prism2_ioctl_giwtxpow(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1587 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1588 struct iw_request_info *info,
1589 struct iw_param *rrq, char *extra)
1590 {
1591 #ifdef RAW_TXPOWER_SETTING
1592 struct hostap_interface *iface;
1593 local_info_t *local;
1594 u16 resp0;
1595
1596 iface = netdev_priv(dev);
1597 local = iface->local;
1598
1599 rrq->flags = IW_TXPOW_DBM;
1600 rrq->disabled = 0;
1601 rrq->fixed = 0;
1602
1603 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1604 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1605 HFA386X_CR_MANUAL_TX_POWER,
1606 NULL, &resp0) == 0) {
1607 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1608 } else {
1609 /* Could not get real txpower; guess 15 dBm */
1610 rrq->value = 15;
1611 }
1612 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1613 rrq->value = 0;
1614 rrq->disabled = 1;
1615 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1616 rrq->value = local->txpower;
1617 rrq->fixed = 1;
1618 } else {
1619 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1620 local->txpower_type);
1621 }
1622 return 0;
1623 #else /* RAW_TXPOWER_SETTING */
1624 return -EOPNOTSUPP;
1625 #endif /* RAW_TXPOWER_SETTING */
1626 }
1627
1628
1629 #ifndef PRISM2_NO_STATION_MODES
1630
1631 /* HostScan request works with and without host_roaming mode. In addition, it
1632 * does not break current association. However, it requires newer station
1633 * firmware version (>= 1.3.1) than scan request. */
prism2_request_hostscan(struct net_device * dev,u8 * ssid,u8 ssid_len)1634 static int prism2_request_hostscan(struct net_device *dev,
1635 u8 *ssid, u8 ssid_len)
1636 {
1637 struct hostap_interface *iface;
1638 local_info_t *local;
1639 struct hfa384x_hostscan_request scan_req;
1640
1641 iface = netdev_priv(dev);
1642 local = iface->local;
1643
1644 memset(&scan_req, 0, sizeof(scan_req));
1645 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1646 local->scan_channel_mask);
1647 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1648 if (ssid) {
1649 if (ssid_len > 32)
1650 return -EINVAL;
1651 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1652 memcpy(scan_req.target_ssid, ssid, ssid_len);
1653 }
1654
1655 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1656 sizeof(scan_req))) {
1657 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1658 return -EINVAL;
1659 }
1660 return 0;
1661 }
1662
1663
prism2_request_scan(struct net_device * dev)1664 static int prism2_request_scan(struct net_device *dev)
1665 {
1666 struct hostap_interface *iface;
1667 local_info_t *local;
1668 struct hfa384x_scan_request scan_req;
1669 int ret = 0;
1670
1671 iface = netdev_priv(dev);
1672 local = iface->local;
1673
1674 memset(&scan_req, 0, sizeof(scan_req));
1675 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1676 local->scan_channel_mask);
1677 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1678
1679 /* FIX:
1680 * It seems to be enough to set roaming mode for a short moment to
1681 * host-based and then setup scanrequest data and return the mode to
1682 * firmware-based.
1683 *
1684 * Master mode would need to drop to Managed mode for a short while
1685 * to make scanning work.. Or sweep through the different channels and
1686 * use passive scan based on beacons. */
1687
1688 if (!local->host_roaming)
1689 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1690 HFA384X_ROAMING_HOST);
1691
1692 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1693 sizeof(scan_req))) {
1694 printk(KERN_DEBUG "SCANREQUEST failed\n");
1695 ret = -EINVAL;
1696 }
1697
1698 if (!local->host_roaming)
1699 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1700 HFA384X_ROAMING_FIRMWARE);
1701
1702 return ret;
1703 }
1704
1705 #else /* !PRISM2_NO_STATION_MODES */
1706
prism2_request_hostscan(struct net_device * dev,u8 * ssid,u8 ssid_len)1707 static inline int prism2_request_hostscan(struct net_device *dev,
1708 u8 *ssid, u8 ssid_len)
1709 {
1710 return -EOPNOTSUPP;
1711 }
1712
1713
prism2_request_scan(struct net_device * dev)1714 static inline int prism2_request_scan(struct net_device *dev)
1715 {
1716 return -EOPNOTSUPP;
1717 }
1718
1719 #endif /* !PRISM2_NO_STATION_MODES */
1720
1721
prism2_ioctl_siwscan(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)1722 static int prism2_ioctl_siwscan(struct net_device *dev,
1723 struct iw_request_info *info,
1724 struct iw_point *data, char *extra)
1725 {
1726 struct hostap_interface *iface;
1727 local_info_t *local;
1728 int ret;
1729 u8 *ssid = NULL, ssid_len = 0;
1730 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1731
1732 iface = netdev_priv(dev);
1733 local = iface->local;
1734
1735 if (data->length < sizeof(struct iw_scan_req))
1736 req = NULL;
1737
1738 if (local->iw_mode == IW_MODE_MASTER) {
1739 /* In master mode, we just return the results of our local
1740 * tables, so we don't need to start anything...
1741 * Jean II */
1742 data->length = 0;
1743 return 0;
1744 }
1745
1746 if (!local->dev_enabled)
1747 return -ENETDOWN;
1748
1749 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1750 ssid = req->essid;
1751 ssid_len = req->essid_len;
1752
1753 if (ssid_len &&
1754 ((local->iw_mode != IW_MODE_INFRA &&
1755 local->iw_mode != IW_MODE_ADHOC) ||
1756 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1757 return -EOPNOTSUPP;
1758 }
1759
1760 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1761 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1762 else
1763 ret = prism2_request_scan(dev);
1764
1765 if (ret == 0)
1766 local->scan_timestamp = jiffies;
1767
1768 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1769
1770 return ret;
1771 }
1772
1773
1774 #ifndef PRISM2_NO_STATION_MODES
__prism2_translate_scan(local_info_t * local,struct iw_request_info * info,struct hfa384x_hostscan_result * scan,struct hostap_bss_info * bss,char * current_ev,char * end_buf)1775 static char * __prism2_translate_scan(local_info_t *local,
1776 struct iw_request_info *info,
1777 struct hfa384x_hostscan_result *scan,
1778 struct hostap_bss_info *bss,
1779 char *current_ev, char *end_buf)
1780 {
1781 int i, chan;
1782 struct iw_event iwe;
1783 char *current_val;
1784 u16 capabilities;
1785 u8 *pos;
1786 u8 *ssid, *bssid;
1787 size_t ssid_len;
1788 char *buf;
1789
1790 if (bss) {
1791 ssid = bss->ssid;
1792 ssid_len = bss->ssid_len;
1793 bssid = bss->bssid;
1794 } else {
1795 ssid = scan->ssid;
1796 ssid_len = le16_to_cpu(scan->ssid_len);
1797 bssid = scan->bssid;
1798 }
1799 if (ssid_len > 32)
1800 ssid_len = 32;
1801
1802 /* First entry *MUST* be the AP MAC address */
1803 memset(&iwe, 0, sizeof(iwe));
1804 iwe.cmd = SIOCGIWAP;
1805 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1806 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1807 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1808 IW_EV_ADDR_LEN);
1809
1810 /* Other entries will be displayed in the order we give them */
1811
1812 memset(&iwe, 0, sizeof(iwe));
1813 iwe.cmd = SIOCGIWESSID;
1814 iwe.u.data.length = ssid_len;
1815 iwe.u.data.flags = 1;
1816 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1817 &iwe, ssid);
1818
1819 memset(&iwe, 0, sizeof(iwe));
1820 iwe.cmd = SIOCGIWMODE;
1821 if (bss) {
1822 capabilities = bss->capab_info;
1823 } else {
1824 capabilities = le16_to_cpu(scan->capability);
1825 }
1826 if (capabilities & (WLAN_CAPABILITY_ESS |
1827 WLAN_CAPABILITY_IBSS)) {
1828 if (capabilities & WLAN_CAPABILITY_ESS)
1829 iwe.u.mode = IW_MODE_MASTER;
1830 else
1831 iwe.u.mode = IW_MODE_ADHOC;
1832 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1833 &iwe, IW_EV_UINT_LEN);
1834 }
1835
1836 memset(&iwe, 0, sizeof(iwe));
1837 iwe.cmd = SIOCGIWFREQ;
1838 if (scan) {
1839 chan = le16_to_cpu(scan->chid);
1840 } else if (bss) {
1841 chan = bss->chan;
1842 } else {
1843 chan = 0;
1844 }
1845
1846 if (chan > 0) {
1847 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1848 iwe.u.freq.e = 1;
1849 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1850 &iwe, IW_EV_FREQ_LEN);
1851 }
1852
1853 if (scan) {
1854 memset(&iwe, 0, sizeof(iwe));
1855 iwe.cmd = IWEVQUAL;
1856 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1857 iwe.u.qual.level = le16_to_cpu(scan->sl);
1858 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1859 } else {
1860 iwe.u.qual.level =
1861 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1862 iwe.u.qual.noise =
1863 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1864 }
1865 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1866 | IW_QUAL_NOISE_UPDATED
1867 | IW_QUAL_QUAL_INVALID
1868 | IW_QUAL_DBM;
1869 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1870 &iwe, IW_EV_QUAL_LEN);
1871 }
1872
1873 memset(&iwe, 0, sizeof(iwe));
1874 iwe.cmd = SIOCGIWENCODE;
1875 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1876 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1877 else
1878 iwe.u.data.flags = IW_ENCODE_DISABLED;
1879 iwe.u.data.length = 0;
1880 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1881
1882 /* TODO: add SuppRates into BSS table */
1883 if (scan) {
1884 memset(&iwe, 0, sizeof(iwe));
1885 iwe.cmd = SIOCGIWRATE;
1886 current_val = current_ev + iwe_stream_lcp_len(info);
1887 pos = scan->sup_rates;
1888 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1889 if (pos[i] == 0)
1890 break;
1891 /* Bit rate given in 500 kb/s units (+ 0x80) */
1892 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1893 current_val = iwe_stream_add_value(
1894 info, current_ev, current_val, end_buf, &iwe,
1895 IW_EV_PARAM_LEN);
1896 }
1897 /* Check if we added any event */
1898 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1899 current_ev = current_val;
1900 }
1901
1902 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1903 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1904 if (buf && scan) {
1905 memset(&iwe, 0, sizeof(iwe));
1906 iwe.cmd = IWEVCUSTOM;
1907 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1908 iwe.u.data.length = strlen(buf);
1909 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1910 &iwe, buf);
1911
1912 memset(&iwe, 0, sizeof(iwe));
1913 iwe.cmd = IWEVCUSTOM;
1914 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1915 iwe.u.data.length = strlen(buf);
1916 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1917 &iwe, buf);
1918
1919 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1920 (capabilities & WLAN_CAPABILITY_IBSS)) {
1921 memset(&iwe, 0, sizeof(iwe));
1922 iwe.cmd = IWEVCUSTOM;
1923 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1924 iwe.u.data.length = strlen(buf);
1925 current_ev = iwe_stream_add_point(info, current_ev,
1926 end_buf, &iwe, buf);
1927 }
1928 }
1929 kfree(buf);
1930
1931 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1932 memset(&iwe, 0, sizeof(iwe));
1933 iwe.cmd = IWEVGENIE;
1934 iwe.u.data.length = bss->wpa_ie_len;
1935 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1936 &iwe, bss->wpa_ie);
1937 }
1938
1939 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1940 memset(&iwe, 0, sizeof(iwe));
1941 iwe.cmd = IWEVGENIE;
1942 iwe.u.data.length = bss->rsn_ie_len;
1943 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1944 &iwe, bss->rsn_ie);
1945 }
1946
1947 return current_ev;
1948 }
1949
1950
1951 /* Translate scan data returned from the card to a card independent
1952 * format that the Wireless Tools will understand - Jean II */
prism2_translate_scan(local_info_t * local,struct iw_request_info * info,char * buffer,int buflen)1953 static inline int prism2_translate_scan(local_info_t *local,
1954 struct iw_request_info *info,
1955 char *buffer, int buflen)
1956 {
1957 struct hfa384x_hostscan_result *scan;
1958 int entry;
1959 char *current_ev = buffer;
1960 char *end_buf = buffer + buflen;
1961 struct list_head *ptr;
1962
1963 spin_lock_bh(&local->lock);
1964
1965 list_for_each(ptr, &local->bss_list) {
1966 struct hostap_bss_info *bss;
1967 bss = list_entry(ptr, struct hostap_bss_info, list);
1968 bss->included = 0;
1969 }
1970
1971 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1972 int found = 0;
1973 scan = &local->last_scan_results[entry];
1974
1975 /* Report every SSID if the AP is using multiple SSIDs. If no
1976 * BSS record is found (e.g., when WPA mode is disabled),
1977 * report the AP once. */
1978 list_for_each(ptr, &local->bss_list) {
1979 struct hostap_bss_info *bss;
1980 bss = list_entry(ptr, struct hostap_bss_info, list);
1981 if (ether_addr_equal(bss->bssid, scan->bssid)) {
1982 bss->included = 1;
1983 current_ev = __prism2_translate_scan(
1984 local, info, scan, bss, current_ev,
1985 end_buf);
1986 found++;
1987 }
1988 }
1989 if (!found) {
1990 current_ev = __prism2_translate_scan(
1991 local, info, scan, NULL, current_ev, end_buf);
1992 }
1993 /* Check if there is space for one more entry */
1994 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1995 /* Ask user space to try again with a bigger buffer */
1996 spin_unlock_bh(&local->lock);
1997 return -E2BIG;
1998 }
1999 }
2000
2001 /* Prism2 firmware has limits (32 at least in some versions) for number
2002 * of BSSes in scan results. Extend this limit by using local BSS list.
2003 */
2004 list_for_each(ptr, &local->bss_list) {
2005 struct hostap_bss_info *bss;
2006 bss = list_entry(ptr, struct hostap_bss_info, list);
2007 if (bss->included)
2008 continue;
2009 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2010 current_ev, end_buf);
2011 /* Check if there is space for one more entry */
2012 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2013 /* Ask user space to try again with a bigger buffer */
2014 spin_unlock_bh(&local->lock);
2015 return -E2BIG;
2016 }
2017 }
2018
2019 spin_unlock_bh(&local->lock);
2020
2021 return current_ev - buffer;
2022 }
2023 #endif /* PRISM2_NO_STATION_MODES */
2024
2025
prism2_ioctl_giwscan_sta(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)2026 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2027 struct iw_request_info *info,
2028 struct iw_point *data, char *extra)
2029 {
2030 #ifdef PRISM2_NO_STATION_MODES
2031 return -EOPNOTSUPP;
2032 #else /* PRISM2_NO_STATION_MODES */
2033 struct hostap_interface *iface;
2034 local_info_t *local;
2035 int res;
2036
2037 iface = netdev_priv(dev);
2038 local = iface->local;
2039
2040 /* Wait until the scan is finished. We can probably do better
2041 * than that - Jean II */
2042 if (local->scan_timestamp &&
2043 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2044 /* Important note : we don't want to block the caller
2045 * until results are ready for various reasons.
2046 * First, managing wait queues is complex and racy
2047 * (there may be multiple simultaneous callers).
2048 * Second, we grab some rtnetlink lock before coming
2049 * here (in dev_ioctl()).
2050 * Third, the caller can wait on the Wireless Event
2051 * - Jean II */
2052 return -EAGAIN;
2053 }
2054 local->scan_timestamp = 0;
2055
2056 res = prism2_translate_scan(local, info, extra, data->length);
2057
2058 if (res >= 0) {
2059 data->length = res;
2060 return 0;
2061 } else {
2062 data->length = 0;
2063 return res;
2064 }
2065 #endif /* PRISM2_NO_STATION_MODES */
2066 }
2067
2068
prism2_ioctl_giwscan(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)2069 static int prism2_ioctl_giwscan(struct net_device *dev,
2070 struct iw_request_info *info,
2071 struct iw_point *data, char *extra)
2072 {
2073 struct hostap_interface *iface;
2074 local_info_t *local;
2075 int res;
2076
2077 iface = netdev_priv(dev);
2078 local = iface->local;
2079
2080 if (local->iw_mode == IW_MODE_MASTER) {
2081 /* In MASTER mode, it doesn't make sense to go around
2082 * scanning the frequencies and make the stations we serve
2083 * wait when what the user is really interested about is the
2084 * list of stations and access points we are talking to.
2085 * So, just extract results from our cache...
2086 * Jean II */
2087
2088 /* Translate to WE format */
2089 res = prism2_ap_translate_scan(dev, info, extra);
2090 if (res >= 0) {
2091 printk(KERN_DEBUG "Scan result translation succeeded "
2092 "(length=%d)\n", res);
2093 data->length = res;
2094 return 0;
2095 } else {
2096 printk(KERN_DEBUG
2097 "Scan result translation failed (res=%d)\n",
2098 res);
2099 data->length = 0;
2100 return res;
2101 }
2102 } else {
2103 /* Station mode */
2104 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2105 }
2106 }
2107
2108
2109 static const struct iw_priv_args prism2_priv[] = {
2110 { PRISM2_IOCTL_MONITOR,
2111 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2112 { PRISM2_IOCTL_READMIF,
2113 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2114 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2115 { PRISM2_IOCTL_WRITEMIF,
2116 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2117 { PRISM2_IOCTL_RESET,
2118 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2119 { PRISM2_IOCTL_INQUIRE,
2120 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2121 { PRISM2_IOCTL_SET_RID_WORD,
2122 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2123 { PRISM2_IOCTL_MACCMD,
2124 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2125 { PRISM2_IOCTL_WDS_ADD,
2126 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2127 { PRISM2_IOCTL_WDS_DEL,
2128 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2129 { PRISM2_IOCTL_ADDMAC,
2130 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2131 { PRISM2_IOCTL_DELMAC,
2132 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2133 { PRISM2_IOCTL_KICKMAC,
2134 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2135 /* --- raw access to sub-ioctls --- */
2136 { PRISM2_IOCTL_PRISM2_PARAM,
2137 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2138 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2139 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2140 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2141 /* --- sub-ioctls handlers --- */
2142 { PRISM2_IOCTL_PRISM2_PARAM,
2143 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2144 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2145 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2146 /* --- sub-ioctls definitions --- */
2147 { PRISM2_PARAM_TXRATECTRL,
2148 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2149 { PRISM2_PARAM_TXRATECTRL,
2150 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2151 { PRISM2_PARAM_BEACON_INT,
2152 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2153 { PRISM2_PARAM_BEACON_INT,
2154 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2155 #ifndef PRISM2_NO_STATION_MODES
2156 { PRISM2_PARAM_PSEUDO_IBSS,
2157 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2158 { PRISM2_PARAM_PSEUDO_IBSS,
2159 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2160 #endif /* PRISM2_NO_STATION_MODES */
2161 { PRISM2_PARAM_ALC,
2162 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2163 { PRISM2_PARAM_ALC,
2164 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2165 { PRISM2_PARAM_DUMP,
2166 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2167 { PRISM2_PARAM_DUMP,
2168 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2169 { PRISM2_PARAM_OTHER_AP_POLICY,
2170 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2171 { PRISM2_PARAM_OTHER_AP_POLICY,
2172 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2173 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2174 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2175 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2176 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2177 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2178 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2179 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2180 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2181 { PRISM2_PARAM_DTIM_PERIOD,
2182 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2183 { PRISM2_PARAM_DTIM_PERIOD,
2184 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2185 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2186 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2187 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2188 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2189 { PRISM2_PARAM_MAX_WDS,
2190 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2191 { PRISM2_PARAM_MAX_WDS,
2192 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2193 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2194 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2195 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2196 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2197 { PRISM2_PARAM_AP_AUTH_ALGS,
2198 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2199 { PRISM2_PARAM_AP_AUTH_ALGS,
2200 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2201 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2202 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2203 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2204 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2205 { PRISM2_PARAM_HOST_ENCRYPT,
2206 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2207 { PRISM2_PARAM_HOST_ENCRYPT,
2208 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2209 { PRISM2_PARAM_HOST_DECRYPT,
2210 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2211 { PRISM2_PARAM_HOST_DECRYPT,
2212 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2213 #ifndef PRISM2_NO_STATION_MODES
2214 { PRISM2_PARAM_HOST_ROAMING,
2215 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2216 { PRISM2_PARAM_HOST_ROAMING,
2217 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2218 #endif /* PRISM2_NO_STATION_MODES */
2219 { PRISM2_PARAM_BCRX_STA_KEY,
2220 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2221 { PRISM2_PARAM_BCRX_STA_KEY,
2222 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2223 { PRISM2_PARAM_IEEE_802_1X,
2224 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2225 { PRISM2_PARAM_IEEE_802_1X,
2226 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2227 { PRISM2_PARAM_ANTSEL_TX,
2228 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2229 { PRISM2_PARAM_ANTSEL_TX,
2230 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2231 { PRISM2_PARAM_ANTSEL_RX,
2232 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2233 { PRISM2_PARAM_ANTSEL_RX,
2234 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2235 { PRISM2_PARAM_MONITOR_TYPE,
2236 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2237 { PRISM2_PARAM_MONITOR_TYPE,
2238 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2239 { PRISM2_PARAM_WDS_TYPE,
2240 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2241 { PRISM2_PARAM_WDS_TYPE,
2242 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2243 { PRISM2_PARAM_HOSTSCAN,
2244 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2245 { PRISM2_PARAM_HOSTSCAN,
2246 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2247 { PRISM2_PARAM_AP_SCAN,
2248 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2249 { PRISM2_PARAM_AP_SCAN,
2250 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2251 { PRISM2_PARAM_ENH_SEC,
2252 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2253 { PRISM2_PARAM_ENH_SEC,
2254 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2255 #ifdef PRISM2_IO_DEBUG
2256 { PRISM2_PARAM_IO_DEBUG,
2257 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2258 { PRISM2_PARAM_IO_DEBUG,
2259 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2260 #endif /* PRISM2_IO_DEBUG */
2261 { PRISM2_PARAM_BASIC_RATES,
2262 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2263 { PRISM2_PARAM_BASIC_RATES,
2264 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2265 { PRISM2_PARAM_OPER_RATES,
2266 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2267 { PRISM2_PARAM_OPER_RATES,
2268 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2269 { PRISM2_PARAM_HOSTAPD,
2270 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2271 { PRISM2_PARAM_HOSTAPD,
2272 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2273 { PRISM2_PARAM_HOSTAPD_STA,
2274 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2275 { PRISM2_PARAM_HOSTAPD_STA,
2276 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2277 { PRISM2_PARAM_WPA,
2278 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2279 { PRISM2_PARAM_WPA,
2280 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2281 { PRISM2_PARAM_PRIVACY_INVOKED,
2282 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2283 { PRISM2_PARAM_PRIVACY_INVOKED,
2284 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2285 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2286 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2287 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2288 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2289 { PRISM2_PARAM_DROP_UNENCRYPTED,
2290 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2291 { PRISM2_PARAM_DROP_UNENCRYPTED,
2292 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2293 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2294 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2295 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2296 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2297 };
2298
2299
prism2_ioctl_priv_inquire(struct net_device * dev,int * i)2300 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2301 {
2302 struct hostap_interface *iface;
2303 local_info_t *local;
2304
2305 iface = netdev_priv(dev);
2306 local = iface->local;
2307
2308 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2309 return -EOPNOTSUPP;
2310
2311 return 0;
2312 }
2313
2314
prism2_ioctl_priv_prism2_param(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2315 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2316 struct iw_request_info *info,
2317 void *wrqu, char *extra)
2318 {
2319 struct hostap_interface *iface;
2320 local_info_t *local;
2321 int *i = (int *) extra;
2322 int param = *i;
2323 int value = *(i + 1);
2324 int ret = 0;
2325 u16 val;
2326
2327 iface = netdev_priv(dev);
2328 local = iface->local;
2329
2330 switch (param) {
2331 case PRISM2_PARAM_TXRATECTRL:
2332 local->fw_tx_rate_control = value;
2333 break;
2334
2335 case PRISM2_PARAM_BEACON_INT:
2336 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2337 local->func->reset_port(dev))
2338 ret = -EINVAL;
2339 else
2340 local->beacon_int = value;
2341 break;
2342
2343 #ifndef PRISM2_NO_STATION_MODES
2344 case PRISM2_PARAM_PSEUDO_IBSS:
2345 if (value == local->pseudo_adhoc)
2346 break;
2347
2348 if (value != 0 && value != 1) {
2349 ret = -EINVAL;
2350 break;
2351 }
2352
2353 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2354 dev->name, local->pseudo_adhoc, value);
2355 local->pseudo_adhoc = value;
2356 if (local->iw_mode != IW_MODE_ADHOC)
2357 break;
2358
2359 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2360 hostap_get_porttype(local))) {
2361 ret = -EOPNOTSUPP;
2362 break;
2363 }
2364
2365 if (local->func->reset_port(dev))
2366 ret = -EINVAL;
2367 break;
2368 #endif /* PRISM2_NO_STATION_MODES */
2369
2370 case PRISM2_PARAM_ALC:
2371 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2372 value == 0 ? "Disabling" : "Enabling");
2373 val = HFA384X_TEST_CFG_BIT_ALC;
2374 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2375 (HFA384X_TEST_CFG_BITS << 8),
2376 value == 0 ? 0 : 1, &val, NULL);
2377 break;
2378
2379 case PRISM2_PARAM_DUMP:
2380 local->frame_dump = value;
2381 break;
2382
2383 case PRISM2_PARAM_OTHER_AP_POLICY:
2384 if (value < 0 || value > 3) {
2385 ret = -EINVAL;
2386 break;
2387 }
2388 if (local->ap != NULL)
2389 local->ap->ap_policy = value;
2390 break;
2391
2392 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2393 if (value < 0 || value > 7 * 24 * 60 * 60) {
2394 ret = -EINVAL;
2395 break;
2396 }
2397 if (local->ap != NULL)
2398 local->ap->max_inactivity = value * HZ;
2399 break;
2400
2401 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2402 if (local->ap != NULL)
2403 local->ap->bridge_packets = value;
2404 break;
2405
2406 case PRISM2_PARAM_DTIM_PERIOD:
2407 if (value < 0 || value > 65535) {
2408 ret = -EINVAL;
2409 break;
2410 }
2411 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2412 || local->func->reset_port(dev))
2413 ret = -EINVAL;
2414 else
2415 local->dtim_period = value;
2416 break;
2417
2418 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2419 if (local->ap != NULL)
2420 local->ap->nullfunc_ack = value;
2421 break;
2422
2423 case PRISM2_PARAM_MAX_WDS:
2424 local->wds_max_connections = value;
2425 break;
2426
2427 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2428 if (local->ap != NULL) {
2429 if (!local->ap->autom_ap_wds && value) {
2430 /* add WDS link to all APs in STA table */
2431 hostap_add_wds_links(local);
2432 }
2433 local->ap->autom_ap_wds = value;
2434 }
2435 break;
2436
2437 case PRISM2_PARAM_AP_AUTH_ALGS:
2438 local->auth_algs = value;
2439 if (hostap_set_auth_algs(local))
2440 ret = -EINVAL;
2441 break;
2442
2443 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2444 local->monitor_allow_fcserr = value;
2445 break;
2446
2447 case PRISM2_PARAM_HOST_ENCRYPT:
2448 local->host_encrypt = value;
2449 if (hostap_set_encryption(local) ||
2450 local->func->reset_port(dev))
2451 ret = -EINVAL;
2452 break;
2453
2454 case PRISM2_PARAM_HOST_DECRYPT:
2455 local->host_decrypt = value;
2456 if (hostap_set_encryption(local) ||
2457 local->func->reset_port(dev))
2458 ret = -EINVAL;
2459 break;
2460
2461 #ifndef PRISM2_NO_STATION_MODES
2462 case PRISM2_PARAM_HOST_ROAMING:
2463 if (value < 0 || value > 2) {
2464 ret = -EINVAL;
2465 break;
2466 }
2467 local->host_roaming = value;
2468 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2469 ret = -EINVAL;
2470 break;
2471 #endif /* PRISM2_NO_STATION_MODES */
2472
2473 case PRISM2_PARAM_BCRX_STA_KEY:
2474 local->bcrx_sta_key = value;
2475 break;
2476
2477 case PRISM2_PARAM_IEEE_802_1X:
2478 local->ieee_802_1x = value;
2479 break;
2480
2481 case PRISM2_PARAM_ANTSEL_TX:
2482 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2483 ret = -EINVAL;
2484 break;
2485 }
2486 local->antsel_tx = value;
2487 hostap_set_antsel(local);
2488 break;
2489
2490 case PRISM2_PARAM_ANTSEL_RX:
2491 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2492 ret = -EINVAL;
2493 break;
2494 }
2495 local->antsel_rx = value;
2496 hostap_set_antsel(local);
2497 break;
2498
2499 case PRISM2_PARAM_MONITOR_TYPE:
2500 if (value != PRISM2_MONITOR_80211 &&
2501 value != PRISM2_MONITOR_CAPHDR &&
2502 value != PRISM2_MONITOR_PRISM &&
2503 value != PRISM2_MONITOR_RADIOTAP) {
2504 ret = -EINVAL;
2505 break;
2506 }
2507 local->monitor_type = value;
2508 if (local->iw_mode == IW_MODE_MONITOR)
2509 hostap_monitor_set_type(local);
2510 break;
2511
2512 case PRISM2_PARAM_WDS_TYPE:
2513 local->wds_type = value;
2514 break;
2515
2516 case PRISM2_PARAM_HOSTSCAN:
2517 {
2518 struct hfa384x_hostscan_request scan_req;
2519 u16 rate;
2520
2521 memset(&scan_req, 0, sizeof(scan_req));
2522 scan_req.channel_list = cpu_to_le16(0x3fff);
2523 switch (value) {
2524 case 1: rate = HFA384X_RATES_1MBPS; break;
2525 case 2: rate = HFA384X_RATES_2MBPS; break;
2526 case 3: rate = HFA384X_RATES_5MBPS; break;
2527 case 4: rate = HFA384X_RATES_11MBPS; break;
2528 default: rate = HFA384X_RATES_1MBPS; break;
2529 }
2530 scan_req.txrate = cpu_to_le16(rate);
2531 /* leave SSID empty to accept all SSIDs */
2532
2533 if (local->iw_mode == IW_MODE_MASTER) {
2534 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2535 HFA384X_PORTTYPE_BSS) ||
2536 local->func->reset_port(dev))
2537 printk(KERN_DEBUG "Leaving Host AP mode "
2538 "for HostScan failed\n");
2539 }
2540
2541 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2542 sizeof(scan_req))) {
2543 printk(KERN_DEBUG "HOSTSCAN failed\n");
2544 ret = -EINVAL;
2545 }
2546 if (local->iw_mode == IW_MODE_MASTER) {
2547 wait_queue_entry_t __wait;
2548 init_waitqueue_entry(&__wait, current);
2549 add_wait_queue(&local->hostscan_wq, &__wait);
2550 set_current_state(TASK_INTERRUPTIBLE);
2551 schedule_timeout(HZ);
2552 if (signal_pending(current))
2553 ret = -EINTR;
2554 set_current_state(TASK_RUNNING);
2555 remove_wait_queue(&local->hostscan_wq, &__wait);
2556
2557 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2558 HFA384X_PORTTYPE_HOSTAP) ||
2559 local->func->reset_port(dev))
2560 printk(KERN_DEBUG "Returning to Host AP mode "
2561 "after HostScan failed\n");
2562 }
2563 break;
2564 }
2565
2566 case PRISM2_PARAM_AP_SCAN:
2567 local->passive_scan_interval = value;
2568 if (timer_pending(&local->passive_scan_timer))
2569 del_timer(&local->passive_scan_timer);
2570 if (value > 0 && value < INT_MAX / HZ) {
2571 local->passive_scan_timer.expires = jiffies +
2572 local->passive_scan_interval * HZ;
2573 add_timer(&local->passive_scan_timer);
2574 }
2575 break;
2576
2577 case PRISM2_PARAM_ENH_SEC:
2578 if (value < 0 || value > 3) {
2579 ret = -EINVAL;
2580 break;
2581 }
2582 local->enh_sec = value;
2583 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2584 local->enh_sec) ||
2585 local->func->reset_port(dev)) {
2586 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2587 "1.6.3 or newer\n", dev->name);
2588 ret = -EOPNOTSUPP;
2589 }
2590 break;
2591
2592 #ifdef PRISM2_IO_DEBUG
2593 case PRISM2_PARAM_IO_DEBUG:
2594 local->io_debug_enabled = value;
2595 break;
2596 #endif /* PRISM2_IO_DEBUG */
2597
2598 case PRISM2_PARAM_BASIC_RATES:
2599 if ((value & local->tx_rate_control) != value || value == 0) {
2600 printk(KERN_INFO "%s: invalid basic rate set - basic "
2601 "rates must be in supported rate set\n",
2602 dev->name);
2603 ret = -EINVAL;
2604 break;
2605 }
2606 local->basic_rates = value;
2607 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2608 local->basic_rates) ||
2609 local->func->reset_port(dev))
2610 ret = -EINVAL;
2611 break;
2612
2613 case PRISM2_PARAM_OPER_RATES:
2614 local->tx_rate_control = value;
2615 if (hostap_set_rate(dev))
2616 ret = -EINVAL;
2617 break;
2618
2619 case PRISM2_PARAM_HOSTAPD:
2620 ret = hostap_set_hostapd(local, value, 1);
2621 break;
2622
2623 case PRISM2_PARAM_HOSTAPD_STA:
2624 ret = hostap_set_hostapd_sta(local, value, 1);
2625 break;
2626
2627 case PRISM2_PARAM_WPA:
2628 local->wpa = value;
2629 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2630 ret = -EOPNOTSUPP;
2631 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2632 value ? 1 : 0))
2633 ret = -EINVAL;
2634 break;
2635
2636 case PRISM2_PARAM_PRIVACY_INVOKED:
2637 local->privacy_invoked = value;
2638 if (hostap_set_encryption(local) ||
2639 local->func->reset_port(dev))
2640 ret = -EINVAL;
2641 break;
2642
2643 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2644 local->tkip_countermeasures = value;
2645 break;
2646
2647 case PRISM2_PARAM_DROP_UNENCRYPTED:
2648 local->drop_unencrypted = value;
2649 break;
2650
2651 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2652 local->scan_channel_mask = value;
2653 break;
2654
2655 default:
2656 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2657 dev->name, param);
2658 ret = -EOPNOTSUPP;
2659 break;
2660 }
2661
2662 return ret;
2663 }
2664
2665
prism2_ioctl_priv_get_prism2_param(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2666 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2667 struct iw_request_info *info,
2668 void *wrqu, char *extra)
2669 {
2670 struct hostap_interface *iface;
2671 local_info_t *local;
2672 int *param = (int *) extra;
2673 int ret = 0;
2674
2675 iface = netdev_priv(dev);
2676 local = iface->local;
2677
2678 switch (*param) {
2679 case PRISM2_PARAM_TXRATECTRL:
2680 *param = local->fw_tx_rate_control;
2681 break;
2682
2683 case PRISM2_PARAM_BEACON_INT:
2684 *param = local->beacon_int;
2685 break;
2686
2687 case PRISM2_PARAM_PSEUDO_IBSS:
2688 *param = local->pseudo_adhoc;
2689 break;
2690
2691 case PRISM2_PARAM_ALC:
2692 ret = -EOPNOTSUPP; /* FIX */
2693 break;
2694
2695 case PRISM2_PARAM_DUMP:
2696 *param = local->frame_dump;
2697 break;
2698
2699 case PRISM2_PARAM_OTHER_AP_POLICY:
2700 if (local->ap != NULL)
2701 *param = local->ap->ap_policy;
2702 else
2703 ret = -EOPNOTSUPP;
2704 break;
2705
2706 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2707 if (local->ap != NULL)
2708 *param = local->ap->max_inactivity / HZ;
2709 else
2710 ret = -EOPNOTSUPP;
2711 break;
2712
2713 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2714 if (local->ap != NULL)
2715 *param = local->ap->bridge_packets;
2716 else
2717 ret = -EOPNOTSUPP;
2718 break;
2719
2720 case PRISM2_PARAM_DTIM_PERIOD:
2721 *param = local->dtim_period;
2722 break;
2723
2724 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2725 if (local->ap != NULL)
2726 *param = local->ap->nullfunc_ack;
2727 else
2728 ret = -EOPNOTSUPP;
2729 break;
2730
2731 case PRISM2_PARAM_MAX_WDS:
2732 *param = local->wds_max_connections;
2733 break;
2734
2735 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2736 if (local->ap != NULL)
2737 *param = local->ap->autom_ap_wds;
2738 else
2739 ret = -EOPNOTSUPP;
2740 break;
2741
2742 case PRISM2_PARAM_AP_AUTH_ALGS:
2743 *param = local->auth_algs;
2744 break;
2745
2746 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2747 *param = local->monitor_allow_fcserr;
2748 break;
2749
2750 case PRISM2_PARAM_HOST_ENCRYPT:
2751 *param = local->host_encrypt;
2752 break;
2753
2754 case PRISM2_PARAM_HOST_DECRYPT:
2755 *param = local->host_decrypt;
2756 break;
2757
2758 case PRISM2_PARAM_HOST_ROAMING:
2759 *param = local->host_roaming;
2760 break;
2761
2762 case PRISM2_PARAM_BCRX_STA_KEY:
2763 *param = local->bcrx_sta_key;
2764 break;
2765
2766 case PRISM2_PARAM_IEEE_802_1X:
2767 *param = local->ieee_802_1x;
2768 break;
2769
2770 case PRISM2_PARAM_ANTSEL_TX:
2771 *param = local->antsel_tx;
2772 break;
2773
2774 case PRISM2_PARAM_ANTSEL_RX:
2775 *param = local->antsel_rx;
2776 break;
2777
2778 case PRISM2_PARAM_MONITOR_TYPE:
2779 *param = local->monitor_type;
2780 break;
2781
2782 case PRISM2_PARAM_WDS_TYPE:
2783 *param = local->wds_type;
2784 break;
2785
2786 case PRISM2_PARAM_HOSTSCAN:
2787 ret = -EOPNOTSUPP;
2788 break;
2789
2790 case PRISM2_PARAM_AP_SCAN:
2791 *param = local->passive_scan_interval;
2792 break;
2793
2794 case PRISM2_PARAM_ENH_SEC:
2795 *param = local->enh_sec;
2796 break;
2797
2798 #ifdef PRISM2_IO_DEBUG
2799 case PRISM2_PARAM_IO_DEBUG:
2800 *param = local->io_debug_enabled;
2801 break;
2802 #endif /* PRISM2_IO_DEBUG */
2803
2804 case PRISM2_PARAM_BASIC_RATES:
2805 *param = local->basic_rates;
2806 break;
2807
2808 case PRISM2_PARAM_OPER_RATES:
2809 *param = local->tx_rate_control;
2810 break;
2811
2812 case PRISM2_PARAM_HOSTAPD:
2813 *param = local->hostapd;
2814 break;
2815
2816 case PRISM2_PARAM_HOSTAPD_STA:
2817 *param = local->hostapd_sta;
2818 break;
2819
2820 case PRISM2_PARAM_WPA:
2821 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2822 ret = -EOPNOTSUPP;
2823 *param = local->wpa;
2824 break;
2825
2826 case PRISM2_PARAM_PRIVACY_INVOKED:
2827 *param = local->privacy_invoked;
2828 break;
2829
2830 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2831 *param = local->tkip_countermeasures;
2832 break;
2833
2834 case PRISM2_PARAM_DROP_UNENCRYPTED:
2835 *param = local->drop_unencrypted;
2836 break;
2837
2838 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2839 *param = local->scan_channel_mask;
2840 break;
2841
2842 default:
2843 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2844 dev->name, *param);
2845 ret = -EOPNOTSUPP;
2846 break;
2847 }
2848
2849 return ret;
2850 }
2851
2852
prism2_ioctl_priv_readmif(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2853 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2854 struct iw_request_info *info,
2855 void *wrqu, char *extra)
2856 {
2857 struct hostap_interface *iface;
2858 local_info_t *local;
2859 u16 resp0;
2860
2861 iface = netdev_priv(dev);
2862 local = iface->local;
2863
2864 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2865 &resp0))
2866 return -EOPNOTSUPP;
2867 else
2868 *extra = resp0;
2869
2870 return 0;
2871 }
2872
2873
prism2_ioctl_priv_writemif(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2874 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2875 struct iw_request_info *info,
2876 void *wrqu, char *extra)
2877 {
2878 struct hostap_interface *iface;
2879 local_info_t *local;
2880 u16 cr, val;
2881
2882 iface = netdev_priv(dev);
2883 local = iface->local;
2884
2885 cr = *extra;
2886 val = *(extra + 1);
2887 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2888 return -EOPNOTSUPP;
2889
2890 return 0;
2891 }
2892
2893
prism2_ioctl_priv_monitor(struct net_device * dev,int * i)2894 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2895 {
2896 struct hostap_interface *iface;
2897 local_info_t *local;
2898 int ret = 0;
2899 u32 mode;
2900
2901 iface = netdev_priv(dev);
2902 local = iface->local;
2903
2904 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2905 "- update software to use iwconfig mode monitor\n",
2906 dev->name, task_pid_nr(current), current->comm);
2907
2908 /* Backward compatibility code - this can be removed at some point */
2909
2910 if (*i == 0) {
2911 /* Disable monitor mode - old mode was not saved, so go to
2912 * Master mode */
2913 mode = IW_MODE_MASTER;
2914 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2915 } else if (*i == 1) {
2916 /* netlink socket mode is not supported anymore since it did
2917 * not separate different devices from each other and was not
2918 * best method for delivering large amount of packets to
2919 * user space */
2920 ret = -EOPNOTSUPP;
2921 } else if (*i == 2 || *i == 3) {
2922 switch (*i) {
2923 case 2:
2924 local->monitor_type = PRISM2_MONITOR_80211;
2925 break;
2926 case 3:
2927 local->monitor_type = PRISM2_MONITOR_PRISM;
2928 break;
2929 }
2930 mode = IW_MODE_MONITOR;
2931 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2932 hostap_monitor_mode_enable(local);
2933 } else
2934 ret = -EINVAL;
2935
2936 return ret;
2937 }
2938
2939
prism2_ioctl_priv_reset(struct net_device * dev,int * i)2940 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2941 {
2942 struct hostap_interface *iface;
2943 local_info_t *local;
2944
2945 iface = netdev_priv(dev);
2946 local = iface->local;
2947
2948 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2949 switch (*i) {
2950 case 0:
2951 /* Disable and enable card */
2952 local->func->hw_shutdown(dev, 1);
2953 local->func->hw_config(dev, 0);
2954 break;
2955
2956 case 1:
2957 /* COR sreset */
2958 local->func->hw_reset(dev);
2959 break;
2960
2961 case 2:
2962 /* Disable and enable port 0 */
2963 local->func->reset_port(dev);
2964 break;
2965
2966 case 3:
2967 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2968 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2969 NULL))
2970 return -EINVAL;
2971 break;
2972
2973 case 4:
2974 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2975 NULL))
2976 return -EINVAL;
2977 break;
2978
2979 default:
2980 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2981 return -EOPNOTSUPP;
2982 }
2983
2984 return 0;
2985 }
2986
2987
prism2_ioctl_priv_set_rid_word(struct net_device * dev,int * i)2988 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2989 {
2990 int rid = *i;
2991 int value = *(i + 1);
2992
2993 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2994
2995 if (hostap_set_word(dev, rid, value))
2996 return -EINVAL;
2997
2998 return 0;
2999 }
3000
3001
3002 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
ap_mac_cmd_ioctl(local_info_t * local,int * cmd)3003 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3004 {
3005 int ret = 0;
3006
3007 switch (*cmd) {
3008 case AP_MAC_CMD_POLICY_OPEN:
3009 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3010 break;
3011 case AP_MAC_CMD_POLICY_ALLOW:
3012 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3013 break;
3014 case AP_MAC_CMD_POLICY_DENY:
3015 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3016 break;
3017 case AP_MAC_CMD_FLUSH:
3018 ap_control_flush_macs(&local->ap->mac_restrictions);
3019 break;
3020 case AP_MAC_CMD_KICKALL:
3021 ap_control_kickall(local->ap);
3022 hostap_deauth_all_stas(local->dev, local->ap, 0);
3023 break;
3024 default:
3025 ret = -EOPNOTSUPP;
3026 break;
3027 }
3028
3029 return ret;
3030 }
3031 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3032
3033
3034 #ifdef PRISM2_DOWNLOAD_SUPPORT
prism2_ioctl_priv_download(local_info_t * local,struct iw_point * p)3035 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3036 {
3037 struct prism2_download_param *param;
3038 int ret = 0;
3039
3040 if (p->length < sizeof(struct prism2_download_param) ||
3041 p->length > 1024 || !p->pointer)
3042 return -EINVAL;
3043
3044 param = memdup_user(p->pointer, p->length);
3045 if (IS_ERR(param)) {
3046 return PTR_ERR(param);
3047 }
3048
3049 if (p->length < sizeof(struct prism2_download_param) +
3050 param->num_areas * sizeof(struct prism2_download_area)) {
3051 ret = -EINVAL;
3052 goto out;
3053 }
3054
3055 ret = local->func->download(local, param);
3056
3057 out:
3058 kfree(param);
3059 return ret;
3060 }
3061 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3062
3063
prism2_set_genericelement(struct net_device * dev,u8 * elem,size_t len)3064 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3065 size_t len)
3066 {
3067 struct hostap_interface *iface = netdev_priv(dev);
3068 local_info_t *local = iface->local;
3069 u8 *buf;
3070
3071 /*
3072 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3073 * includes it.
3074 */
3075 buf = kmalloc(len + 2, GFP_KERNEL);
3076 if (buf == NULL)
3077 return -ENOMEM;
3078
3079 *((__le16 *) buf) = cpu_to_le16(len);
3080 memcpy(buf + 2, elem, len);
3081
3082 kfree(local->generic_elem);
3083 local->generic_elem = buf;
3084 local->generic_elem_len = len + 2;
3085
3086 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3087 buf, len + 2);
3088 }
3089
3090
prism2_ioctl_siwauth(struct net_device * dev,struct iw_request_info * info,struct iw_param * data,char * extra)3091 static int prism2_ioctl_siwauth(struct net_device *dev,
3092 struct iw_request_info *info,
3093 struct iw_param *data, char *extra)
3094 {
3095 struct hostap_interface *iface = netdev_priv(dev);
3096 local_info_t *local = iface->local;
3097
3098 switch (data->flags & IW_AUTH_INDEX) {
3099 case IW_AUTH_WPA_VERSION:
3100 case IW_AUTH_CIPHER_PAIRWISE:
3101 case IW_AUTH_CIPHER_GROUP:
3102 case IW_AUTH_KEY_MGMT:
3103 /*
3104 * Host AP driver does not use these parameters and allows
3105 * wpa_supplicant to control them internally.
3106 */
3107 break;
3108 case IW_AUTH_TKIP_COUNTERMEASURES:
3109 local->tkip_countermeasures = data->value;
3110 break;
3111 case IW_AUTH_DROP_UNENCRYPTED:
3112 local->drop_unencrypted = data->value;
3113 break;
3114 case IW_AUTH_80211_AUTH_ALG:
3115 local->auth_algs = data->value;
3116 break;
3117 case IW_AUTH_WPA_ENABLED:
3118 if (data->value == 0) {
3119 local->wpa = 0;
3120 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3121 break;
3122 prism2_set_genericelement(dev, "", 0);
3123 local->host_roaming = 0;
3124 local->privacy_invoked = 0;
3125 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3126 0) ||
3127 hostap_set_roaming(local) ||
3128 hostap_set_encryption(local) ||
3129 local->func->reset_port(dev))
3130 return -EINVAL;
3131 break;
3132 }
3133 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3134 return -EOPNOTSUPP;
3135 local->host_roaming = 2;
3136 local->privacy_invoked = 1;
3137 local->wpa = 1;
3138 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3139 hostap_set_roaming(local) ||
3140 hostap_set_encryption(local) ||
3141 local->func->reset_port(dev))
3142 return -EINVAL;
3143 break;
3144 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3145 local->ieee_802_1x = data->value;
3146 break;
3147 case IW_AUTH_PRIVACY_INVOKED:
3148 local->privacy_invoked = data->value;
3149 break;
3150 default:
3151 return -EOPNOTSUPP;
3152 }
3153 return 0;
3154 }
3155
3156
prism2_ioctl_giwauth(struct net_device * dev,struct iw_request_info * info,struct iw_param * data,char * extra)3157 static int prism2_ioctl_giwauth(struct net_device *dev,
3158 struct iw_request_info *info,
3159 struct iw_param *data, char *extra)
3160 {
3161 struct hostap_interface *iface = netdev_priv(dev);
3162 local_info_t *local = iface->local;
3163
3164 switch (data->flags & IW_AUTH_INDEX) {
3165 case IW_AUTH_WPA_VERSION:
3166 case IW_AUTH_CIPHER_PAIRWISE:
3167 case IW_AUTH_CIPHER_GROUP:
3168 case IW_AUTH_KEY_MGMT:
3169 /*
3170 * Host AP driver does not use these parameters and allows
3171 * wpa_supplicant to control them internally.
3172 */
3173 return -EOPNOTSUPP;
3174 case IW_AUTH_TKIP_COUNTERMEASURES:
3175 data->value = local->tkip_countermeasures;
3176 break;
3177 case IW_AUTH_DROP_UNENCRYPTED:
3178 data->value = local->drop_unencrypted;
3179 break;
3180 case IW_AUTH_80211_AUTH_ALG:
3181 data->value = local->auth_algs;
3182 break;
3183 case IW_AUTH_WPA_ENABLED:
3184 data->value = local->wpa;
3185 break;
3186 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3187 data->value = local->ieee_802_1x;
3188 break;
3189 default:
3190 return -EOPNOTSUPP;
3191 }
3192 return 0;
3193 }
3194
3195
prism2_ioctl_siwencodeext(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * extra)3196 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3197 struct iw_request_info *info,
3198 struct iw_point *erq, char *extra)
3199 {
3200 struct hostap_interface *iface = netdev_priv(dev);
3201 local_info_t *local = iface->local;
3202 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3203 int i, ret = 0;
3204 struct lib80211_crypto_ops *ops;
3205 struct lib80211_crypt_data **crypt;
3206 void *sta_ptr;
3207 u8 *addr;
3208 const char *alg, *module;
3209
3210 i = erq->flags & IW_ENCODE_INDEX;
3211 if (i > WEP_KEYS)
3212 return -EINVAL;
3213 if (i < 1 || i > WEP_KEYS)
3214 i = local->crypt_info.tx_keyidx;
3215 else
3216 i--;
3217 if (i < 0 || i >= WEP_KEYS)
3218 return -EINVAL;
3219
3220 addr = ext->addr.sa_data;
3221 if (is_broadcast_ether_addr(addr)) {
3222 sta_ptr = NULL;
3223 crypt = &local->crypt_info.crypt[i];
3224 } else {
3225 if (i != 0)
3226 return -EINVAL;
3227 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3228 if (sta_ptr == NULL) {
3229 if (local->iw_mode == IW_MODE_INFRA) {
3230 /*
3231 * TODO: add STA entry for the current AP so
3232 * that unicast key can be used. For now, this
3233 * is emulated by using default key idx 0.
3234 */
3235 i = 0;
3236 crypt = &local->crypt_info.crypt[i];
3237 } else
3238 return -EINVAL;
3239 }
3240 }
3241
3242 if ((erq->flags & IW_ENCODE_DISABLED) ||
3243 ext->alg == IW_ENCODE_ALG_NONE) {
3244 if (*crypt)
3245 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3246 goto done;
3247 }
3248
3249 switch (ext->alg) {
3250 case IW_ENCODE_ALG_WEP:
3251 alg = "WEP";
3252 module = "lib80211_crypt_wep";
3253 break;
3254 case IW_ENCODE_ALG_TKIP:
3255 alg = "TKIP";
3256 module = "lib80211_crypt_tkip";
3257 break;
3258 case IW_ENCODE_ALG_CCMP:
3259 alg = "CCMP";
3260 module = "lib80211_crypt_ccmp";
3261 break;
3262 default:
3263 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3264 local->dev->name, ext->alg);
3265 ret = -EOPNOTSUPP;
3266 goto done;
3267 }
3268
3269 ops = lib80211_get_crypto_ops(alg);
3270 if (ops == NULL) {
3271 request_module(module);
3272 ops = lib80211_get_crypto_ops(alg);
3273 }
3274 if (ops == NULL) {
3275 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3276 local->dev->name, alg);
3277 ret = -EOPNOTSUPP;
3278 goto done;
3279 }
3280
3281 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3282 /*
3283 * Per station encryption and other than WEP algorithms
3284 * require host-based encryption, so force them on
3285 * automatically.
3286 */
3287 local->host_decrypt = local->host_encrypt = 1;
3288 }
3289
3290 if (*crypt == NULL || (*crypt)->ops != ops) {
3291 struct lib80211_crypt_data *new_crypt;
3292
3293 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3294
3295 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3296 GFP_KERNEL);
3297 if (new_crypt == NULL) {
3298 ret = -ENOMEM;
3299 goto done;
3300 }
3301 new_crypt->ops = ops;
3302 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3303 new_crypt->priv = new_crypt->ops->init(i);
3304 if (new_crypt->priv == NULL) {
3305 kfree(new_crypt);
3306 ret = -EINVAL;
3307 goto done;
3308 }
3309
3310 *crypt = new_crypt;
3311 }
3312
3313 /*
3314 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3315 * existing seq# should not be changed.
3316 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3317 * should be changed to something else than zero.
3318 */
3319 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3320 && (*crypt)->ops->set_key &&
3321 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3322 (*crypt)->priv) < 0) {
3323 printk(KERN_DEBUG "%s: key setting failed\n",
3324 local->dev->name);
3325 ret = -EINVAL;
3326 goto done;
3327 }
3328
3329 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3330 if (!sta_ptr)
3331 local->crypt_info.tx_keyidx = i;
3332 }
3333
3334
3335 if (sta_ptr == NULL && ext->key_len > 0) {
3336 int first = 1, j;
3337 for (j = 0; j < WEP_KEYS; j++) {
3338 if (j != i && local->crypt_info.crypt[j]) {
3339 first = 0;
3340 break;
3341 }
3342 }
3343 if (first)
3344 local->crypt_info.tx_keyidx = i;
3345 }
3346
3347 done:
3348 if (sta_ptr)
3349 hostap_handle_sta_release(sta_ptr);
3350
3351 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3352
3353 /*
3354 * Do not reset port0 if card is in Managed mode since resetting will
3355 * generate new IEEE 802.11 authentication which may end up in looping
3356 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3357 * after WEP configuration. However, keys are apparently changed at
3358 * least in Managed mode.
3359 */
3360 if (ret == 0 &&
3361 (hostap_set_encryption(local) ||
3362 (local->iw_mode != IW_MODE_INFRA &&
3363 local->func->reset_port(local->dev))))
3364 ret = -EINVAL;
3365
3366 return ret;
3367 }
3368
3369
prism2_ioctl_giwencodeext(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * extra)3370 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3371 struct iw_request_info *info,
3372 struct iw_point *erq, char *extra)
3373 {
3374 struct hostap_interface *iface = netdev_priv(dev);
3375 local_info_t *local = iface->local;
3376 struct lib80211_crypt_data **crypt;
3377 void *sta_ptr;
3378 int max_key_len, i;
3379 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3380 u8 *addr;
3381
3382 max_key_len = erq->length - sizeof(*ext);
3383 if (max_key_len < 0)
3384 return -EINVAL;
3385
3386 i = erq->flags & IW_ENCODE_INDEX;
3387 if (i < 1 || i > WEP_KEYS)
3388 i = local->crypt_info.tx_keyidx;
3389 else
3390 i--;
3391
3392 addr = ext->addr.sa_data;
3393 if (is_broadcast_ether_addr(addr)) {
3394 sta_ptr = NULL;
3395 crypt = &local->crypt_info.crypt[i];
3396 } else {
3397 i = 0;
3398 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3399 if (sta_ptr == NULL)
3400 return -EINVAL;
3401 }
3402 erq->flags = i + 1;
3403 memset(ext, 0, sizeof(*ext));
3404
3405 if (*crypt == NULL || (*crypt)->ops == NULL) {
3406 ext->alg = IW_ENCODE_ALG_NONE;
3407 ext->key_len = 0;
3408 erq->flags |= IW_ENCODE_DISABLED;
3409 } else {
3410 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3411 ext->alg = IW_ENCODE_ALG_WEP;
3412 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3413 ext->alg = IW_ENCODE_ALG_TKIP;
3414 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3415 ext->alg = IW_ENCODE_ALG_CCMP;
3416 else
3417 return -EINVAL;
3418
3419 if ((*crypt)->ops->get_key) {
3420 ext->key_len =
3421 (*crypt)->ops->get_key(ext->key,
3422 max_key_len,
3423 ext->tx_seq,
3424 (*crypt)->priv);
3425 if (ext->key_len &&
3426 (ext->alg == IW_ENCODE_ALG_TKIP ||
3427 ext->alg == IW_ENCODE_ALG_CCMP))
3428 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3429 }
3430 }
3431
3432 if (sta_ptr)
3433 hostap_handle_sta_release(sta_ptr);
3434
3435 return 0;
3436 }
3437
3438
prism2_ioctl_set_encryption(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3439 static int prism2_ioctl_set_encryption(local_info_t *local,
3440 struct prism2_hostapd_param *param,
3441 int param_len)
3442 {
3443 int ret = 0;
3444 struct lib80211_crypto_ops *ops;
3445 struct lib80211_crypt_data **crypt;
3446 void *sta_ptr;
3447
3448 param->u.crypt.err = 0;
3449 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3450
3451 if (param_len !=
3452 (int) ((char *) param->u.crypt.key - (char *) param) +
3453 param->u.crypt.key_len)
3454 return -EINVAL;
3455
3456 if (is_broadcast_ether_addr(param->sta_addr)) {
3457 if (param->u.crypt.idx >= WEP_KEYS)
3458 return -EINVAL;
3459 sta_ptr = NULL;
3460 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3461 } else {
3462 if (param->u.crypt.idx)
3463 return -EINVAL;
3464 sta_ptr = ap_crypt_get_ptrs(
3465 local->ap, param->sta_addr,
3466 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3467 &crypt);
3468
3469 if (sta_ptr == NULL) {
3470 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3471 return -EINVAL;
3472 }
3473 }
3474
3475 if (strcmp(param->u.crypt.alg, "none") == 0) {
3476 if (crypt)
3477 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3478 goto done;
3479 }
3480
3481 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3482 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3483 request_module("lib80211_crypt_wep");
3484 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3485 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3486 request_module("lib80211_crypt_tkip");
3487 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3488 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3489 request_module("lib80211_crypt_ccmp");
3490 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3491 }
3492 if (ops == NULL) {
3493 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3494 local->dev->name, param->u.crypt.alg);
3495 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3496 ret = -EINVAL;
3497 goto done;
3498 }
3499
3500 /* station based encryption and other than WEP algorithms require
3501 * host-based encryption, so force them on automatically */
3502 local->host_decrypt = local->host_encrypt = 1;
3503
3504 if (*crypt == NULL || (*crypt)->ops != ops) {
3505 struct lib80211_crypt_data *new_crypt;
3506
3507 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3508
3509 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3510 GFP_KERNEL);
3511 if (new_crypt == NULL) {
3512 ret = -ENOMEM;
3513 goto done;
3514 }
3515 new_crypt->ops = ops;
3516 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3517 if (new_crypt->priv == NULL) {
3518 kfree(new_crypt);
3519 param->u.crypt.err =
3520 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3521 ret = -EINVAL;
3522 goto done;
3523 }
3524
3525 *crypt = new_crypt;
3526 }
3527
3528 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3529 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3530 (*crypt)->ops->set_key(param->u.crypt.key,
3531 param->u.crypt.key_len, param->u.crypt.seq,
3532 (*crypt)->priv) < 0) {
3533 printk(KERN_DEBUG "%s: key setting failed\n",
3534 local->dev->name);
3535 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3536 ret = -EINVAL;
3537 goto done;
3538 }
3539
3540 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3541 if (!sta_ptr)
3542 local->crypt_info.tx_keyidx = param->u.crypt.idx;
3543 else if (param->u.crypt.idx) {
3544 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3545 local->dev->name);
3546 param->u.crypt.err =
3547 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3548 ret = -EINVAL;
3549 goto done;
3550 }
3551 }
3552
3553 done:
3554 if (sta_ptr)
3555 hostap_handle_sta_release(sta_ptr);
3556
3557 /* Do not reset port0 if card is in Managed mode since resetting will
3558 * generate new IEEE 802.11 authentication which may end up in looping
3559 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3560 * after WEP configuration. However, keys are apparently changed at
3561 * least in Managed mode. */
3562 if (ret == 0 &&
3563 (hostap_set_encryption(local) ||
3564 (local->iw_mode != IW_MODE_INFRA &&
3565 local->func->reset_port(local->dev)))) {
3566 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3567 return -EINVAL;
3568 }
3569
3570 return ret;
3571 }
3572
3573
prism2_ioctl_get_encryption(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3574 static int prism2_ioctl_get_encryption(local_info_t *local,
3575 struct prism2_hostapd_param *param,
3576 int param_len)
3577 {
3578 struct lib80211_crypt_data **crypt;
3579 void *sta_ptr;
3580 int max_key_len;
3581
3582 param->u.crypt.err = 0;
3583
3584 max_key_len = param_len -
3585 (int) ((char *) param->u.crypt.key - (char *) param);
3586 if (max_key_len < 0)
3587 return -EINVAL;
3588
3589 if (is_broadcast_ether_addr(param->sta_addr)) {
3590 sta_ptr = NULL;
3591 if (param->u.crypt.idx >= WEP_KEYS)
3592 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3593 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3594 } else {
3595 param->u.crypt.idx = 0;
3596 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3597 &crypt);
3598
3599 if (sta_ptr == NULL) {
3600 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3601 return -EINVAL;
3602 }
3603 }
3604
3605 if (*crypt == NULL || (*crypt)->ops == NULL) {
3606 memcpy(param->u.crypt.alg, "none", 5);
3607 param->u.crypt.key_len = 0;
3608 param->u.crypt.idx = 0xff;
3609 } else {
3610 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3611 HOSTAP_CRYPT_ALG_NAME_LEN);
3612 param->u.crypt.key_len = 0;
3613
3614 memset(param->u.crypt.seq, 0, 8);
3615 if ((*crypt)->ops->get_key) {
3616 param->u.crypt.key_len =
3617 (*crypt)->ops->get_key(param->u.crypt.key,
3618 max_key_len,
3619 param->u.crypt.seq,
3620 (*crypt)->priv);
3621 }
3622 }
3623
3624 if (sta_ptr)
3625 hostap_handle_sta_release(sta_ptr);
3626
3627 return 0;
3628 }
3629
3630
prism2_ioctl_get_rid(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3631 static int prism2_ioctl_get_rid(local_info_t *local,
3632 struct prism2_hostapd_param *param,
3633 int param_len)
3634 {
3635 int max_len, res;
3636
3637 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3638 if (max_len < 0)
3639 return -EINVAL;
3640
3641 res = local->func->get_rid(local->dev, param->u.rid.rid,
3642 param->u.rid.data, param->u.rid.len, 0);
3643 if (res >= 0) {
3644 param->u.rid.len = res;
3645 return 0;
3646 }
3647
3648 return res;
3649 }
3650
3651
prism2_ioctl_set_rid(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3652 static int prism2_ioctl_set_rid(local_info_t *local,
3653 struct prism2_hostapd_param *param,
3654 int param_len)
3655 {
3656 int max_len;
3657
3658 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3659 if (max_len < 0 || max_len < param->u.rid.len)
3660 return -EINVAL;
3661
3662 return local->func->set_rid(local->dev, param->u.rid.rid,
3663 param->u.rid.data, param->u.rid.len);
3664 }
3665
3666
prism2_ioctl_set_assoc_ap_addr(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3667 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3668 struct prism2_hostapd_param *param,
3669 int param_len)
3670 {
3671 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3672 local->dev->name, param->sta_addr);
3673 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3674 return 0;
3675 }
3676
3677
prism2_ioctl_siwgenie(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3678 static int prism2_ioctl_siwgenie(struct net_device *dev,
3679 struct iw_request_info *info,
3680 struct iw_point *data, char *extra)
3681 {
3682 return prism2_set_genericelement(dev, extra, data->length);
3683 }
3684
3685
prism2_ioctl_giwgenie(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3686 static int prism2_ioctl_giwgenie(struct net_device *dev,
3687 struct iw_request_info *info,
3688 struct iw_point *data, char *extra)
3689 {
3690 struct hostap_interface *iface = netdev_priv(dev);
3691 local_info_t *local = iface->local;
3692 int len = local->generic_elem_len - 2;
3693
3694 if (len <= 0 || local->generic_elem == NULL) {
3695 data->length = 0;
3696 return 0;
3697 }
3698
3699 if (data->length < len)
3700 return -E2BIG;
3701
3702 data->length = len;
3703 memcpy(extra, local->generic_elem + 2, len);
3704
3705 return 0;
3706 }
3707
3708
prism2_ioctl_set_generic_element(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3709 static int prism2_ioctl_set_generic_element(local_info_t *local,
3710 struct prism2_hostapd_param *param,
3711 int param_len)
3712 {
3713 int max_len, len;
3714
3715 len = param->u.generic_elem.len;
3716 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3717 if (max_len < 0 || max_len < len)
3718 return -EINVAL;
3719
3720 return prism2_set_genericelement(local->dev,
3721 param->u.generic_elem.data, len);
3722 }
3723
3724
prism2_ioctl_siwmlme(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3725 static int prism2_ioctl_siwmlme(struct net_device *dev,
3726 struct iw_request_info *info,
3727 struct iw_point *data, char *extra)
3728 {
3729 struct hostap_interface *iface = netdev_priv(dev);
3730 local_info_t *local = iface->local;
3731 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3732 __le16 reason;
3733
3734 reason = cpu_to_le16(mlme->reason_code);
3735
3736 switch (mlme->cmd) {
3737 case IW_MLME_DEAUTH:
3738 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3739 IEEE80211_STYPE_DEAUTH,
3740 (u8 *) &reason, 2);
3741 case IW_MLME_DISASSOC:
3742 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3743 IEEE80211_STYPE_DISASSOC,
3744 (u8 *) &reason, 2);
3745 default:
3746 return -EOPNOTSUPP;
3747 }
3748 }
3749
3750
prism2_ioctl_mlme(local_info_t * local,struct prism2_hostapd_param * param)3751 static int prism2_ioctl_mlme(local_info_t *local,
3752 struct prism2_hostapd_param *param)
3753 {
3754 __le16 reason;
3755
3756 reason = cpu_to_le16(param->u.mlme.reason_code);
3757 switch (param->u.mlme.cmd) {
3758 case MLME_STA_DEAUTH:
3759 return prism2_sta_send_mgmt(local, param->sta_addr,
3760 IEEE80211_STYPE_DEAUTH,
3761 (u8 *) &reason, 2);
3762 case MLME_STA_DISASSOC:
3763 return prism2_sta_send_mgmt(local, param->sta_addr,
3764 IEEE80211_STYPE_DISASSOC,
3765 (u8 *) &reason, 2);
3766 default:
3767 return -EOPNOTSUPP;
3768 }
3769 }
3770
3771
prism2_ioctl_scan_req(local_info_t * local,struct prism2_hostapd_param * param)3772 static int prism2_ioctl_scan_req(local_info_t *local,
3773 struct prism2_hostapd_param *param)
3774 {
3775 #ifndef PRISM2_NO_STATION_MODES
3776 if ((local->iw_mode != IW_MODE_INFRA &&
3777 local->iw_mode != IW_MODE_ADHOC) ||
3778 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3779 return -EOPNOTSUPP;
3780
3781 if (!local->dev_enabled)
3782 return -ENETDOWN;
3783
3784 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3785 param->u.scan_req.ssid_len);
3786 #else /* PRISM2_NO_STATION_MODES */
3787 return -EOPNOTSUPP;
3788 #endif /* PRISM2_NO_STATION_MODES */
3789 }
3790
3791
prism2_ioctl_priv_hostapd(local_info_t * local,struct iw_point * p)3792 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3793 {
3794 struct prism2_hostapd_param *param;
3795 int ret = 0;
3796 int ap_ioctl = 0;
3797
3798 if (p->length < sizeof(struct prism2_hostapd_param) ||
3799 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3800 return -EINVAL;
3801
3802 param = memdup_user(p->pointer, p->length);
3803 if (IS_ERR(param)) {
3804 return PTR_ERR(param);
3805 }
3806
3807 switch (param->cmd) {
3808 case PRISM2_SET_ENCRYPTION:
3809 ret = prism2_ioctl_set_encryption(local, param, p->length);
3810 break;
3811 case PRISM2_GET_ENCRYPTION:
3812 ret = prism2_ioctl_get_encryption(local, param, p->length);
3813 break;
3814 case PRISM2_HOSTAPD_GET_RID:
3815 ret = prism2_ioctl_get_rid(local, param, p->length);
3816 break;
3817 case PRISM2_HOSTAPD_SET_RID:
3818 ret = prism2_ioctl_set_rid(local, param, p->length);
3819 break;
3820 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3821 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3822 break;
3823 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3824 ret = prism2_ioctl_set_generic_element(local, param,
3825 p->length);
3826 break;
3827 case PRISM2_HOSTAPD_MLME:
3828 ret = prism2_ioctl_mlme(local, param);
3829 break;
3830 case PRISM2_HOSTAPD_SCAN_REQ:
3831 ret = prism2_ioctl_scan_req(local, param);
3832 break;
3833 default:
3834 ret = prism2_hostapd(local->ap, param);
3835 ap_ioctl = 1;
3836 break;
3837 }
3838
3839 if (ret == 1 || !ap_ioctl) {
3840 if (copy_to_user(p->pointer, param, p->length)) {
3841 ret = -EFAULT;
3842 goto out;
3843 } else if (ap_ioctl)
3844 ret = 0;
3845 }
3846
3847 out:
3848 kfree(param);
3849 return ret;
3850 }
3851
3852
prism2_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)3853 static void prism2_get_drvinfo(struct net_device *dev,
3854 struct ethtool_drvinfo *info)
3855 {
3856 struct hostap_interface *iface;
3857 local_info_t *local;
3858
3859 iface = netdev_priv(dev);
3860 local = iface->local;
3861
3862 strlcpy(info->driver, "hostap", sizeof(info->driver));
3863 snprintf(info->fw_version, sizeof(info->fw_version),
3864 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3865 (local->sta_fw_ver >> 8) & 0xff,
3866 local->sta_fw_ver & 0xff);
3867 }
3868
3869 const struct ethtool_ops prism2_ethtool_ops = {
3870 .get_drvinfo = prism2_get_drvinfo
3871 };
3872
3873
3874 /* Structures to export the Wireless Handlers */
3875
3876 static const iw_handler prism2_handler[] =
3877 {
3878 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3879 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3880 (iw_handler) NULL, /* SIOCSIWNWID */
3881 (iw_handler) NULL, /* SIOCGIWNWID */
3882 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3883 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3884 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3885 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3886 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3887 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3888 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3889 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3890 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3891 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3892 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3893 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3894 iw_handler_set_spy, /* SIOCSIWSPY */
3895 iw_handler_get_spy, /* SIOCGIWSPY */
3896 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3897 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3898 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3899 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3900 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3901 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3902 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3903 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3904 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3905 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3906 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3907 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3908 (iw_handler) NULL, /* -- hole -- */
3909 (iw_handler) NULL, /* -- hole -- */
3910 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3911 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3912 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3913 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3914 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3915 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3916 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3917 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3918 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3919 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3920 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3921 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3922 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3923 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3924 (iw_handler) NULL, /* -- hole -- */
3925 (iw_handler) NULL, /* -- hole -- */
3926 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3927 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3928 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3929 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3930 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3931 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3932 (iw_handler) NULL, /* SIOCSIWPMKSA */
3933 (iw_handler) NULL, /* -- hole -- */
3934 };
3935
3936 static const iw_handler prism2_private_handler[] =
3937 { /* SIOCIWFIRSTPRIV + */
3938 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3939 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3940 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3941 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3942 };
3943
3944 const struct iw_handler_def hostap_iw_handler_def =
3945 {
3946 .num_standard = ARRAY_SIZE(prism2_handler),
3947 .num_private = ARRAY_SIZE(prism2_private_handler),
3948 .num_private_args = ARRAY_SIZE(prism2_priv),
3949 .standard = (iw_handler *) prism2_handler,
3950 .private = (iw_handler *) prism2_private_handler,
3951 .private_args = (struct iw_priv_args *) prism2_priv,
3952 .get_wireless_stats = hostap_get_wireless_stats,
3953 };
3954
3955
hostap_ioctl(struct net_device * dev,struct ifreq * ifr,int cmd)3956 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3957 {
3958 struct iwreq *wrq = (struct iwreq *) ifr;
3959 struct hostap_interface *iface;
3960 local_info_t *local;
3961 int ret = 0;
3962
3963 iface = netdev_priv(dev);
3964 local = iface->local;
3965
3966 switch (cmd) {
3967 /* Private ioctls (iwpriv) that have not yet been converted
3968 * into new wireless extensions API */
3969
3970 case PRISM2_IOCTL_INQUIRE:
3971 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3972 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3973 break;
3974
3975 case PRISM2_IOCTL_MONITOR:
3976 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3977 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3978 break;
3979
3980 case PRISM2_IOCTL_RESET:
3981 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3982 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3983 break;
3984
3985 case PRISM2_IOCTL_WDS_ADD:
3986 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3987 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3988 break;
3989
3990 case PRISM2_IOCTL_WDS_DEL:
3991 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3992 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
3993 break;
3994
3995 case PRISM2_IOCTL_SET_RID_WORD:
3996 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3997 else ret = prism2_ioctl_priv_set_rid_word(dev,
3998 (int *) wrq->u.name);
3999 break;
4000
4001 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4002 case PRISM2_IOCTL_MACCMD:
4003 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4004 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4005 break;
4006
4007 case PRISM2_IOCTL_ADDMAC:
4008 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4009 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4010 wrq->u.ap_addr.sa_data);
4011 break;
4012 case PRISM2_IOCTL_DELMAC:
4013 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4014 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4015 wrq->u.ap_addr.sa_data);
4016 break;
4017 case PRISM2_IOCTL_KICKMAC:
4018 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4019 else ret = ap_control_kick_mac(local->ap, local->dev,
4020 wrq->u.ap_addr.sa_data);
4021 break;
4022 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4023
4024
4025 /* Private ioctls that are not used with iwpriv;
4026 * in SIOCDEVPRIVATE range */
4027
4028 #ifdef PRISM2_DOWNLOAD_SUPPORT
4029 case PRISM2_IOCTL_DOWNLOAD:
4030 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4031 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4032 break;
4033 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4034
4035 case PRISM2_IOCTL_HOSTAPD:
4036 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4037 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4038 break;
4039
4040 default:
4041 ret = -EOPNOTSUPP;
4042 break;
4043 }
4044
4045 return ret;
4046 }
4047
