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
48 if (prism2_update_comms_qual(dev) == 0)
49 wstats->qual.updated = IW_QUAL_ALL_UPDATED |
50 IW_QUAL_DBM;
51
52 wstats->qual.qual = local->comms_qual;
53 wstats->qual.level = local->avg_signal;
54 wstats->qual.noise = local->avg_noise;
55 } else {
56 wstats->qual.qual = 0;
57 wstats->qual.level = 0;
58 wstats->qual.noise = 0;
59 wstats->qual.updated = IW_QUAL_ALL_INVALID;
60 }
61
62 return wstats;
63 }
64
65
prism2_get_datarates(struct net_device * dev,u8 * rates)66 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
67 {
68 struct hostap_interface *iface;
69 local_info_t *local;
70 u8 buf[12];
71 int len;
72 u16 val;
73
74 iface = netdev_priv(dev);
75 local = iface->local;
76
77 len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
78 sizeof(buf), 0);
79 if (len < 2)
80 return 0;
81
82 val = le16_to_cpu(*(__le16 *) buf); /* string length */
83
84 if (len - 2 < val || val > 10)
85 return 0;
86
87 memcpy(rates, buf + 2, val);
88 return val;
89 }
90
91
prism2_get_name(struct net_device * dev,struct iw_request_info * info,char * name,char * extra)92 static int prism2_get_name(struct net_device *dev,
93 struct iw_request_info *info,
94 char *name, char *extra)
95 {
96 u8 rates[10];
97 int len, i, over2 = 0;
98
99 len = prism2_get_datarates(dev, rates);
100
101 for (i = 0; i < len; i++) {
102 if (rates[i] == 0x0b || rates[i] == 0x16) {
103 over2 = 1;
104 break;
105 }
106 }
107
108 strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
109
110 return 0;
111 }
112
113
prism2_ioctl_siwencode(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * keybuf)114 static int prism2_ioctl_siwencode(struct net_device *dev,
115 struct iw_request_info *info,
116 struct iw_point *erq, char *keybuf)
117 {
118 struct hostap_interface *iface;
119 local_info_t *local;
120 int i;
121 struct lib80211_crypt_data **crypt;
122
123 iface = netdev_priv(dev);
124 local = iface->local;
125
126 i = erq->flags & IW_ENCODE_INDEX;
127 if (i < 1 || i > 4)
128 i = local->crypt_info.tx_keyidx;
129 else
130 i--;
131 if (i < 0 || i >= WEP_KEYS)
132 return -EINVAL;
133
134 crypt = &local->crypt_info.crypt[i];
135
136 if (erq->flags & IW_ENCODE_DISABLED) {
137 if (*crypt)
138 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
139 goto done;
140 }
141
142 if (*crypt != NULL && (*crypt)->ops != NULL &&
143 strcmp((*crypt)->ops->name, "WEP") != 0) {
144 /* changing to use WEP; deinit previously used algorithm */
145 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
146 }
147
148 if (*crypt == NULL) {
149 struct lib80211_crypt_data *new_crypt;
150
151 /* take WEP into use */
152 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
153 GFP_KERNEL);
154 if (new_crypt == NULL)
155 return -ENOMEM;
156 new_crypt->ops = lib80211_get_crypto_ops("WEP");
157 if (!new_crypt->ops) {
158 request_module("lib80211_crypt_wep");
159 new_crypt->ops = lib80211_get_crypto_ops("WEP");
160 }
161 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
162 new_crypt->priv = new_crypt->ops->init(i);
163 if (!new_crypt->ops || !new_crypt->priv) {
164 kfree(new_crypt);
165 new_crypt = NULL;
166
167 printk(KERN_WARNING "%s: could not initialize WEP: "
168 "load module hostap_crypt_wep.o\n",
169 dev->name);
170 return -EOPNOTSUPP;
171 }
172 *crypt = new_crypt;
173 }
174
175 if (erq->length > 0) {
176 int len = erq->length <= 5 ? 5 : 13;
177 int first = 1, j;
178 if (len > erq->length)
179 memset(keybuf + erq->length, 0, len - erq->length);
180 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
181 for (j = 0; j < WEP_KEYS; j++) {
182 if (j != i && local->crypt_info.crypt[j]) {
183 first = 0;
184 break;
185 }
186 }
187 if (first)
188 local->crypt_info.tx_keyidx = i;
189 } else {
190 /* No key data - just set the default TX key index */
191 local->crypt_info.tx_keyidx = i;
192 }
193
194 done:
195 local->open_wep = erq->flags & IW_ENCODE_OPEN;
196
197 if (hostap_set_encryption(local)) {
198 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
199 return -EINVAL;
200 }
201
202 /* Do not reset port0 if card is in Managed mode since resetting will
203 * generate new IEEE 802.11 authentication which may end up in looping
204 * with IEEE 802.1X. Prism2 documentation seem to require port reset
205 * after WEP configuration. However, keys are apparently changed at
206 * least in Managed mode. */
207 if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
208 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
209 return -EINVAL;
210 }
211
212 return 0;
213 }
214
215
prism2_ioctl_giwencode(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * key)216 static int prism2_ioctl_giwencode(struct net_device *dev,
217 struct iw_request_info *info,
218 struct iw_point *erq, char *key)
219 {
220 struct hostap_interface *iface;
221 local_info_t *local;
222 int i, len;
223 u16 val;
224 struct lib80211_crypt_data *crypt;
225
226 iface = netdev_priv(dev);
227 local = iface->local;
228
229 i = erq->flags & IW_ENCODE_INDEX;
230 if (i < 1 || i > 4)
231 i = local->crypt_info.tx_keyidx;
232 else
233 i--;
234 if (i < 0 || i >= WEP_KEYS)
235 return -EINVAL;
236
237 crypt = local->crypt_info.crypt[i];
238 erq->flags = i + 1;
239
240 if (crypt == NULL || crypt->ops == NULL) {
241 erq->length = 0;
242 erq->flags |= IW_ENCODE_DISABLED;
243 return 0;
244 }
245
246 if (strcmp(crypt->ops->name, "WEP") != 0) {
247 /* only WEP is supported with wireless extensions, so just
248 * report that encryption is used */
249 erq->length = 0;
250 erq->flags |= IW_ENCODE_ENABLED;
251 return 0;
252 }
253
254 /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
255 * the keys from driver buffer */
256 len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
257 erq->length = (len >= 0 ? len : 0);
258
259 if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
260 {
261 printk("CNFWEPFLAGS reading failed\n");
262 return -EOPNOTSUPP;
263 }
264 le16_to_cpus(&val);
265 if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
266 erq->flags |= IW_ENCODE_ENABLED;
267 else
268 erq->flags |= IW_ENCODE_DISABLED;
269 if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
270 erq->flags |= IW_ENCODE_RESTRICTED;
271 else
272 erq->flags |= IW_ENCODE_OPEN;
273
274 return 0;
275 }
276
277
hostap_set_rate(struct net_device * dev)278 static int hostap_set_rate(struct net_device *dev)
279 {
280 struct hostap_interface *iface;
281 local_info_t *local;
282 int ret, basic_rates;
283
284 iface = netdev_priv(dev);
285 local = iface->local;
286
287 basic_rates = local->basic_rates & local->tx_rate_control;
288 if (!basic_rates || basic_rates != local->basic_rates) {
289 printk(KERN_INFO "%s: updating basic rate set automatically "
290 "to match with the new supported rate set\n",
291 dev->name);
292 if (!basic_rates)
293 basic_rates = local->tx_rate_control;
294
295 local->basic_rates = basic_rates;
296 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
297 basic_rates))
298 printk(KERN_WARNING "%s: failed to set "
299 "cnfBasicRates\n", dev->name);
300 }
301
302 ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
303 local->tx_rate_control) ||
304 hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
305 local->tx_rate_control) ||
306 local->func->reset_port(dev));
307
308 if (ret) {
309 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
310 "setting to 0x%x failed\n",
311 dev->name, local->tx_rate_control);
312 }
313
314 /* Update TX rate configuration for all STAs based on new operational
315 * rate set. */
316 hostap_update_rates(local);
317
318 return ret;
319 }
320
321
prism2_ioctl_siwrate(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)322 static int prism2_ioctl_siwrate(struct net_device *dev,
323 struct iw_request_info *info,
324 struct iw_param *rrq, char *extra)
325 {
326 struct hostap_interface *iface;
327 local_info_t *local;
328
329 iface = netdev_priv(dev);
330 local = iface->local;
331
332 if (rrq->fixed) {
333 switch (rrq->value) {
334 case 11000000:
335 local->tx_rate_control = HFA384X_RATES_11MBPS;
336 break;
337 case 5500000:
338 local->tx_rate_control = HFA384X_RATES_5MBPS;
339 break;
340 case 2000000:
341 local->tx_rate_control = HFA384X_RATES_2MBPS;
342 break;
343 case 1000000:
344 local->tx_rate_control = HFA384X_RATES_1MBPS;
345 break;
346 default:
347 local->tx_rate_control = HFA384X_RATES_1MBPS |
348 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
349 HFA384X_RATES_11MBPS;
350 break;
351 }
352 } else {
353 switch (rrq->value) {
354 case 11000000:
355 local->tx_rate_control = HFA384X_RATES_1MBPS |
356 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
357 HFA384X_RATES_11MBPS;
358 break;
359 case 5500000:
360 local->tx_rate_control = HFA384X_RATES_1MBPS |
361 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
362 break;
363 case 2000000:
364 local->tx_rate_control = HFA384X_RATES_1MBPS |
365 HFA384X_RATES_2MBPS;
366 break;
367 case 1000000:
368 local->tx_rate_control = HFA384X_RATES_1MBPS;
369 break;
370 default:
371 local->tx_rate_control = HFA384X_RATES_1MBPS |
372 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
373 HFA384X_RATES_11MBPS;
374 break;
375 }
376 }
377
378 return hostap_set_rate(dev);
379 }
380
381
prism2_ioctl_giwrate(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)382 static int prism2_ioctl_giwrate(struct net_device *dev,
383 struct iw_request_info *info,
384 struct iw_param *rrq, char *extra)
385 {
386 u16 val;
387 struct hostap_interface *iface;
388 local_info_t *local;
389 int ret = 0;
390
391 iface = netdev_priv(dev);
392 local = iface->local;
393
394 if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
395 0)
396 return -EINVAL;
397
398 if ((val & 0x1) && (val > 1))
399 rrq->fixed = 0;
400 else
401 rrq->fixed = 1;
402
403 if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
404 !local->fw_tx_rate_control) {
405 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
406 * Host AP mode, so use the recorded TX rate of the last sent
407 * frame */
408 rrq->value = local->ap->last_tx_rate > 0 ?
409 local->ap->last_tx_rate * 100000 : 11000000;
410 return 0;
411 }
412
413 if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
414 0)
415 return -EINVAL;
416
417 switch (val) {
418 case HFA384X_RATES_1MBPS:
419 rrq->value = 1000000;
420 break;
421 case HFA384X_RATES_2MBPS:
422 rrq->value = 2000000;
423 break;
424 case HFA384X_RATES_5MBPS:
425 rrq->value = 5500000;
426 break;
427 case HFA384X_RATES_11MBPS:
428 rrq->value = 11000000;
429 break;
430 default:
431 /* should not happen */
432 rrq->value = 11000000;
433 ret = -EINVAL;
434 break;
435 }
436
437 return ret;
438 }
439
440
prism2_ioctl_siwsens(struct net_device * dev,struct iw_request_info * info,struct iw_param * sens,char * extra)441 static int prism2_ioctl_siwsens(struct net_device *dev,
442 struct iw_request_info *info,
443 struct iw_param *sens, char *extra)
444 {
445 struct hostap_interface *iface;
446 local_info_t *local;
447
448 iface = netdev_priv(dev);
449 local = iface->local;
450
451 /* Set the desired AP density */
452 if (sens->value < 1 || sens->value > 3)
453 return -EINVAL;
454
455 if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
456 local->func->reset_port(dev))
457 return -EINVAL;
458
459 return 0;
460 }
461
prism2_ioctl_giwsens(struct net_device * dev,struct iw_request_info * info,struct iw_param * sens,char * extra)462 static int prism2_ioctl_giwsens(struct net_device *dev,
463 struct iw_request_info *info,
464 struct iw_param *sens, char *extra)
465 {
466 struct hostap_interface *iface;
467 local_info_t *local;
468 __le16 val;
469
470 iface = netdev_priv(dev);
471 local = iface->local;
472
473 /* Get the current AP density */
474 if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
475 0)
476 return -EINVAL;
477
478 sens->value = le16_to_cpu(val);
479 sens->fixed = 1;
480
481 return 0;
482 }
483
484
485 /* Deprecated in new wireless extension API */
prism2_ioctl_giwaplist(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)486 static int prism2_ioctl_giwaplist(struct net_device *dev,
487 struct iw_request_info *info,
488 struct iw_point *data, char *extra)
489 {
490 struct hostap_interface *iface;
491 local_info_t *local;
492 struct sockaddr *addr;
493 struct iw_quality *qual;
494
495 iface = netdev_priv(dev);
496 local = iface->local;
497
498 if (local->iw_mode != IW_MODE_MASTER) {
499 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
500 "in Host AP mode\n");
501 data->length = 0;
502 return -EOPNOTSUPP;
503 }
504
505 addr = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
506 qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL);
507 if (addr == NULL || qual == NULL) {
508 kfree(addr);
509 kfree(qual);
510 data->length = 0;
511 return -ENOMEM;
512 }
513
514 data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
515
516 memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
517 data->flags = 1; /* has quality information */
518 memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
519 sizeof(struct iw_quality) * data->length);
520
521 kfree(addr);
522 kfree(qual);
523 return 0;
524 }
525
526
prism2_ioctl_siwrts(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)527 static int prism2_ioctl_siwrts(struct net_device *dev,
528 struct iw_request_info *info,
529 struct iw_param *rts, char *extra)
530 {
531 struct hostap_interface *iface;
532 local_info_t *local;
533 __le16 val;
534
535 iface = netdev_priv(dev);
536 local = iface->local;
537
538 if (rts->disabled)
539 val = cpu_to_le16(2347);
540 else if (rts->value < 0 || rts->value > 2347)
541 return -EINVAL;
542 else
543 val = cpu_to_le16(rts->value);
544
545 if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
546 local->func->reset_port(dev))
547 return -EINVAL;
548
549 local->rts_threshold = rts->value;
550
551 return 0;
552 }
553
prism2_ioctl_giwrts(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)554 static int prism2_ioctl_giwrts(struct net_device *dev,
555 struct iw_request_info *info,
556 struct iw_param *rts, char *extra)
557 {
558 struct hostap_interface *iface;
559 local_info_t *local;
560 __le16 val;
561
562 iface = netdev_priv(dev);
563 local = iface->local;
564
565 if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
566 0)
567 return -EINVAL;
568
569 rts->value = le16_to_cpu(val);
570 rts->disabled = (rts->value == 2347);
571 rts->fixed = 1;
572
573 return 0;
574 }
575
576
prism2_ioctl_siwfrag(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)577 static int prism2_ioctl_siwfrag(struct net_device *dev,
578 struct iw_request_info *info,
579 struct iw_param *rts, char *extra)
580 {
581 struct hostap_interface *iface;
582 local_info_t *local;
583 __le16 val;
584
585 iface = netdev_priv(dev);
586 local = iface->local;
587
588 if (rts->disabled)
589 val = cpu_to_le16(2346);
590 else if (rts->value < 256 || rts->value > 2346)
591 return -EINVAL;
592 else
593 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
594
595 local->fragm_threshold = rts->value & ~0x1;
596 if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
597 2)
598 || local->func->reset_port(dev))
599 return -EINVAL;
600
601 return 0;
602 }
603
prism2_ioctl_giwfrag(struct net_device * dev,struct iw_request_info * info,struct iw_param * rts,char * extra)604 static int prism2_ioctl_giwfrag(struct net_device *dev,
605 struct iw_request_info *info,
606 struct iw_param *rts, char *extra)
607 {
608 struct hostap_interface *iface;
609 local_info_t *local;
610 __le16 val;
611
612 iface = netdev_priv(dev);
613 local = iface->local;
614
615 if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
616 &val, 2, 1) < 0)
617 return -EINVAL;
618
619 rts->value = le16_to_cpu(val);
620 rts->disabled = (rts->value == 2346);
621 rts->fixed = 1;
622
623 return 0;
624 }
625
626
627 #ifndef PRISM2_NO_STATION_MODES
hostap_join_ap(struct net_device * dev)628 static int hostap_join_ap(struct net_device *dev)
629 {
630 struct hostap_interface *iface;
631 local_info_t *local;
632 struct hfa384x_join_request req;
633 unsigned long flags;
634 int i;
635 struct hfa384x_hostscan_result *entry;
636
637 iface = netdev_priv(dev);
638 local = iface->local;
639
640 memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
641 req.channel = 0;
642
643 spin_lock_irqsave(&local->lock, flags);
644 for (i = 0; i < local->last_scan_results_count; i++) {
645 if (!local->last_scan_results)
646 break;
647 entry = &local->last_scan_results[i];
648 if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
649 req.channel = entry->chid;
650 break;
651 }
652 }
653 spin_unlock_irqrestore(&local->lock, flags);
654
655 if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
656 sizeof(req))) {
657 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
658 dev->name, local->preferred_ap);
659 return -1;
660 }
661
662 printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
663 dev->name, local->preferred_ap);
664
665 return 0;
666 }
667 #endif /* PRISM2_NO_STATION_MODES */
668
669
prism2_ioctl_siwap(struct net_device * dev,struct iw_request_info * info,struct sockaddr * ap_addr,char * extra)670 static int prism2_ioctl_siwap(struct net_device *dev,
671 struct iw_request_info *info,
672 struct sockaddr *ap_addr, char *extra)
673 {
674 #ifdef PRISM2_NO_STATION_MODES
675 return -EOPNOTSUPP;
676 #else /* PRISM2_NO_STATION_MODES */
677 struct hostap_interface *iface;
678 local_info_t *local;
679
680 iface = netdev_priv(dev);
681 local = iface->local;
682
683 memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
684
685 if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
686 struct hfa384x_scan_request scan_req;
687 memset(&scan_req, 0, sizeof(scan_req));
688 scan_req.channel_list = cpu_to_le16(0x3fff);
689 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
690 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
691 &scan_req, sizeof(scan_req))) {
692 printk(KERN_DEBUG "%s: ScanResults request failed - "
693 "preferred AP delayed to next unsolicited "
694 "scan\n", dev->name);
695 }
696 } else if (local->host_roaming == 2 &&
697 local->iw_mode == IW_MODE_INFRA) {
698 if (hostap_join_ap(dev))
699 return -EINVAL;
700 } else {
701 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
702 "in Managed mode when host_roaming is enabled\n",
703 dev->name);
704 }
705
706 return 0;
707 #endif /* PRISM2_NO_STATION_MODES */
708 }
709
prism2_ioctl_giwap(struct net_device * dev,struct iw_request_info * info,struct sockaddr * ap_addr,char * extra)710 static int prism2_ioctl_giwap(struct net_device *dev,
711 struct iw_request_info *info,
712 struct sockaddr *ap_addr, char *extra)
713 {
714 struct hostap_interface *iface;
715 local_info_t *local;
716
717 iface = netdev_priv(dev);
718 local = iface->local;
719
720 ap_addr->sa_family = ARPHRD_ETHER;
721 switch (iface->type) {
722 case HOSTAP_INTERFACE_AP:
723 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
724 break;
725 case HOSTAP_INTERFACE_STA:
726 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
727 break;
728 case HOSTAP_INTERFACE_WDS:
729 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
730 break;
731 default:
732 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
733 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
734 return -EOPNOTSUPP;
735
736 /* local->bssid is also updated in LinkStatus handler when in
737 * station mode */
738 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
739 break;
740 }
741
742 return 0;
743 }
744
745
prism2_ioctl_siwnickn(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * nickname)746 static int prism2_ioctl_siwnickn(struct net_device *dev,
747 struct iw_request_info *info,
748 struct iw_point *data, char *nickname)
749 {
750 struct hostap_interface *iface;
751 local_info_t *local;
752
753 iface = netdev_priv(dev);
754 local = iface->local;
755
756 memset(local->name, 0, sizeof(local->name));
757 memcpy(local->name, nickname, data->length);
758 local->name_set = 1;
759
760 if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
761 local->func->reset_port(dev))
762 return -EINVAL;
763
764 return 0;
765 }
766
prism2_ioctl_giwnickn(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * nickname)767 static int prism2_ioctl_giwnickn(struct net_device *dev,
768 struct iw_request_info *info,
769 struct iw_point *data, char *nickname)
770 {
771 struct hostap_interface *iface;
772 local_info_t *local;
773 int len;
774 char name[MAX_NAME_LEN + 3];
775 u16 val;
776
777 iface = netdev_priv(dev);
778 local = iface->local;
779
780 len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
781 &name, MAX_NAME_LEN + 2, 0);
782 val = le16_to_cpu(*(__le16 *) name);
783 if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
784 return -EOPNOTSUPP;
785
786 name[val + 2] = '\0';
787 data->length = val + 1;
788 memcpy(nickname, name + 2, val + 1);
789
790 return 0;
791 }
792
793
prism2_ioctl_siwfreq(struct net_device * dev,struct iw_request_info * info,struct iw_freq * freq,char * extra)794 static int prism2_ioctl_siwfreq(struct net_device *dev,
795 struct iw_request_info *info,
796 struct iw_freq *freq, char *extra)
797 {
798 struct hostap_interface *iface;
799 local_info_t *local;
800
801 iface = netdev_priv(dev);
802 local = iface->local;
803
804 /* freq => chan. */
805 if (freq->e == 1 &&
806 freq->m / 100000 >= freq_list[0] &&
807 freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
808 int ch;
809 int fr = freq->m / 100000;
810 for (ch = 0; ch < FREQ_COUNT; ch++) {
811 if (fr == freq_list[ch]) {
812 freq->e = 0;
813 freq->m = ch + 1;
814 break;
815 }
816 }
817 }
818
819 if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
820 !(local->channel_mask & (1 << (freq->m - 1))))
821 return -EINVAL;
822
823 local->channel = freq->m; /* channel is used in prism2_setup_rids() */
824 if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
825 local->func->reset_port(dev))
826 return -EINVAL;
827
828 return 0;
829 }
830
prism2_ioctl_giwfreq(struct net_device * dev,struct iw_request_info * info,struct iw_freq * freq,char * extra)831 static int prism2_ioctl_giwfreq(struct net_device *dev,
832 struct iw_request_info *info,
833 struct iw_freq *freq, char *extra)
834 {
835 struct hostap_interface *iface;
836 local_info_t *local;
837 u16 val;
838
839 iface = netdev_priv(dev);
840 local = iface->local;
841
842 if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
843 0)
844 return -EINVAL;
845
846 le16_to_cpus(&val);
847 if (val < 1 || val > FREQ_COUNT)
848 return -EINVAL;
849
850 freq->m = freq_list[val - 1] * 100000;
851 freq->e = 1;
852
853 return 0;
854 }
855
856
hostap_monitor_set_type(local_info_t * local)857 static void hostap_monitor_set_type(local_info_t *local)
858 {
859 struct net_device *dev = local->ddev;
860
861 if (dev == NULL)
862 return;
863
864 if (local->monitor_type == PRISM2_MONITOR_PRISM ||
865 local->monitor_type == PRISM2_MONITOR_CAPHDR) {
866 dev->type = ARPHRD_IEEE80211_PRISM;
867 } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
868 dev->type = ARPHRD_IEEE80211_RADIOTAP;
869 } else {
870 dev->type = ARPHRD_IEEE80211;
871 }
872 }
873
874
prism2_ioctl_siwessid(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * ssid)875 static int prism2_ioctl_siwessid(struct net_device *dev,
876 struct iw_request_info *info,
877 struct iw_point *data, char *ssid)
878 {
879 struct hostap_interface *iface;
880 local_info_t *local;
881
882 iface = netdev_priv(dev);
883 local = iface->local;
884
885 if (iface->type == HOSTAP_INTERFACE_WDS)
886 return -EOPNOTSUPP;
887
888 if (data->flags == 0)
889 ssid[0] = '\0'; /* ANY */
890
891 if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
892 /* Setting SSID to empty string seems to kill the card in
893 * Host AP mode */
894 printk(KERN_DEBUG "%s: Host AP mode does not support "
895 "'Any' essid\n", dev->name);
896 return -EINVAL;
897 }
898
899 memcpy(local->essid, ssid, data->length);
900 local->essid[data->length] = '\0';
901
902 if ((!local->fw_ap &&
903 hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
904 || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
905 local->func->reset_port(dev))
906 return -EINVAL;
907
908 return 0;
909 }
910
prism2_ioctl_giwessid(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * essid)911 static int prism2_ioctl_giwessid(struct net_device *dev,
912 struct iw_request_info *info,
913 struct iw_point *data, char *essid)
914 {
915 struct hostap_interface *iface;
916 local_info_t *local;
917 u16 val;
918
919 iface = netdev_priv(dev);
920 local = iface->local;
921
922 if (iface->type == HOSTAP_INTERFACE_WDS)
923 return -EOPNOTSUPP;
924
925 data->flags = 1; /* active */
926 if (local->iw_mode == IW_MODE_MASTER) {
927 data->length = strlen(local->essid);
928 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
929 } else {
930 int len;
931 char ssid[MAX_SSID_LEN + 2];
932 memset(ssid, 0, sizeof(ssid));
933 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
934 &ssid, MAX_SSID_LEN + 2, 0);
935 val = le16_to_cpu(*(__le16 *) ssid);
936 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
937 return -EOPNOTSUPP;
938 }
939 data->length = val;
940 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
941 }
942
943 return 0;
944 }
945
946
prism2_ioctl_giwrange(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)947 static int prism2_ioctl_giwrange(struct net_device *dev,
948 struct iw_request_info *info,
949 struct iw_point *data, char *extra)
950 {
951 struct hostap_interface *iface;
952 local_info_t *local;
953 struct iw_range *range = (struct iw_range *) extra;
954 u8 rates[10];
955 u16 val;
956 int i, len, over2;
957
958 iface = netdev_priv(dev);
959 local = iface->local;
960
961 data->length = sizeof(struct iw_range);
962 memset(range, 0, sizeof(struct iw_range));
963
964 /* TODO: could fill num_txpower and txpower array with
965 * something; however, there are 128 different values.. */
966
967 range->txpower_capa = IW_TXPOW_DBM;
968
969 if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
970 {
971 range->min_pmp = 1 * 1024;
972 range->max_pmp = 65535 * 1024;
973 range->min_pmt = 1 * 1024;
974 range->max_pmt = 1000 * 1024;
975 range->pmp_flags = IW_POWER_PERIOD;
976 range->pmt_flags = IW_POWER_TIMEOUT;
977 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
978 IW_POWER_UNICAST_R | IW_POWER_ALL_R;
979 }
980
981 range->we_version_compiled = WIRELESS_EXT;
982 range->we_version_source = 18;
983
984 range->retry_capa = IW_RETRY_LIMIT;
985 range->retry_flags = IW_RETRY_LIMIT;
986 range->min_retry = 0;
987 range->max_retry = 255;
988
989 range->num_channels = FREQ_COUNT;
990
991 val = 0;
992 for (i = 0; i < FREQ_COUNT; i++) {
993 if (local->channel_mask & (1 << i)) {
994 range->freq[val].i = i + 1;
995 range->freq[val].m = freq_list[i] * 100000;
996 range->freq[val].e = 1;
997 val++;
998 }
999 if (val == IW_MAX_FREQUENCIES)
1000 break;
1001 }
1002 range->num_frequency = val;
1003
1004 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1005 range->max_qual.qual = 70; /* what is correct max? This was not
1006 * documented exactly. At least
1007 * 69 has been observed. */
1008 range->max_qual.level = 0; /* dB */
1009 range->max_qual.noise = 0; /* dB */
1010
1011 /* What would be suitable values for "average/typical" qual? */
1012 range->avg_qual.qual = 20;
1013 range->avg_qual.level = -60;
1014 range->avg_qual.noise = -95;
1015 } else {
1016 range->max_qual.qual = 92; /* 0 .. 92 */
1017 range->max_qual.level = 154; /* 27 .. 154 */
1018 range->max_qual.noise = 154; /* 27 .. 154 */
1019 }
1020 range->sensitivity = 3;
1021
1022 range->max_encoding_tokens = WEP_KEYS;
1023 range->num_encoding_sizes = 2;
1024 range->encoding_size[0] = 5;
1025 range->encoding_size[1] = 13;
1026
1027 over2 = 0;
1028 len = prism2_get_datarates(dev, rates);
1029 range->num_bitrates = 0;
1030 for (i = 0; i < len; i++) {
1031 if (range->num_bitrates < IW_MAX_BITRATES) {
1032 range->bitrate[range->num_bitrates] =
1033 rates[i] * 500000;
1034 range->num_bitrates++;
1035 }
1036 if (rates[i] == 0x0b || rates[i] == 0x16)
1037 over2 = 1;
1038 }
1039 /* estimated maximum TCP throughput values (bps) */
1040 range->throughput = over2 ? 5500000 : 1500000;
1041
1042 range->min_rts = 0;
1043 range->max_rts = 2347;
1044 range->min_frag = 256;
1045 range->max_frag = 2346;
1046
1047 /* Event capability (kernel + driver) */
1048 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1049 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1050 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1051 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1052 range->event_capa[1] = IW_EVENT_CAPA_K_1;
1053 range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1054 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1055 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1056 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1057
1058 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1059 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1060
1061 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1062 range->scan_capa = IW_SCAN_CAPA_ESSID;
1063
1064 return 0;
1065 }
1066
1067
hostap_monitor_mode_enable(local_info_t * local)1068 static int hostap_monitor_mode_enable(local_info_t *local)
1069 {
1070 struct net_device *dev = local->dev;
1071
1072 printk(KERN_DEBUG "Enabling monitor mode\n");
1073 hostap_monitor_set_type(local);
1074
1075 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1076 HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1077 printk(KERN_DEBUG "Port type setting for monitor mode "
1078 "failed\n");
1079 return -EOPNOTSUPP;
1080 }
1081
1082 /* Host decrypt is needed to get the IV and ICV fields;
1083 * however, monitor mode seems to remove WEP flag from frame
1084 * control field */
1085 if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1086 HFA384X_WEPFLAGS_HOSTENCRYPT |
1087 HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1088 printk(KERN_DEBUG "WEP flags setting failed\n");
1089 return -EOPNOTSUPP;
1090 }
1091
1092 if (local->func->reset_port(dev) ||
1093 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1094 (HFA384X_TEST_MONITOR << 8),
1095 0, NULL, NULL)) {
1096 printk(KERN_DEBUG "Setting monitor mode failed\n");
1097 return -EOPNOTSUPP;
1098 }
1099
1100 return 0;
1101 }
1102
1103
hostap_monitor_mode_disable(local_info_t * local)1104 static int hostap_monitor_mode_disable(local_info_t *local)
1105 {
1106 struct net_device *dev = local->ddev;
1107
1108 if (dev == NULL)
1109 return -1;
1110
1111 printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1112 dev->type = ARPHRD_ETHER;
1113
1114 if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1115 (HFA384X_TEST_STOP << 8),
1116 0, NULL, NULL))
1117 return -1;
1118 return hostap_set_encryption(local);
1119 }
1120
1121
prism2_ioctl_siwmode(struct net_device * dev,struct iw_request_info * info,__u32 * mode,char * extra)1122 static int prism2_ioctl_siwmode(struct net_device *dev,
1123 struct iw_request_info *info,
1124 __u32 *mode, char *extra)
1125 {
1126 struct hostap_interface *iface;
1127 local_info_t *local;
1128 int double_reset = 0;
1129
1130 iface = netdev_priv(dev);
1131 local = iface->local;
1132
1133 if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1134 *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1135 *mode != IW_MODE_MONITOR)
1136 return -EOPNOTSUPP;
1137
1138 #ifdef PRISM2_NO_STATION_MODES
1139 if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1140 return -EOPNOTSUPP;
1141 #endif /* PRISM2_NO_STATION_MODES */
1142
1143 if (*mode == local->iw_mode)
1144 return 0;
1145
1146 if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1147 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1148 "mode\n", dev->name);
1149 return -EINVAL;
1150 }
1151
1152 if (local->iw_mode == IW_MODE_MONITOR)
1153 hostap_monitor_mode_disable(local);
1154
1155 if ((local->iw_mode == IW_MODE_ADHOC ||
1156 local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1157 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1158 * that leaves beacon frames to use IBSS type when moving from
1159 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1160 * enough to workaround this. */
1161 double_reset = 1;
1162 }
1163
1164 printk(KERN_DEBUG "prism2: %s: operating mode changed "
1165 "%d -> %d\n", dev->name, local->iw_mode, *mode);
1166 local->iw_mode = *mode;
1167
1168 if (local->iw_mode == IW_MODE_MONITOR)
1169 hostap_monitor_mode_enable(local);
1170 else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1171 !local->fw_encrypt_ok) {
1172 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1173 "a workaround for firmware bug in Host AP mode WEP\n",
1174 dev->name);
1175 local->host_encrypt = 1;
1176 }
1177
1178 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1179 hostap_get_porttype(local)))
1180 return -EOPNOTSUPP;
1181
1182 if (local->func->reset_port(dev))
1183 return -EINVAL;
1184 if (double_reset && local->func->reset_port(dev))
1185 return -EINVAL;
1186
1187 if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1188 {
1189 /* netif_carrier is used only in client modes for now, so make
1190 * sure carrier is on when moving to non-client modes. */
1191 netif_carrier_on(local->dev);
1192 netif_carrier_on(local->ddev);
1193 }
1194 return 0;
1195 }
1196
1197
prism2_ioctl_giwmode(struct net_device * dev,struct iw_request_info * info,__u32 * mode,char * extra)1198 static int prism2_ioctl_giwmode(struct net_device *dev,
1199 struct iw_request_info *info,
1200 __u32 *mode, char *extra)
1201 {
1202 struct hostap_interface *iface;
1203 local_info_t *local;
1204
1205 iface = netdev_priv(dev);
1206 local = iface->local;
1207
1208 switch (iface->type) {
1209 case HOSTAP_INTERFACE_STA:
1210 *mode = IW_MODE_INFRA;
1211 break;
1212 case HOSTAP_INTERFACE_WDS:
1213 *mode = IW_MODE_REPEAT;
1214 break;
1215 default:
1216 *mode = local->iw_mode;
1217 break;
1218 }
1219 return 0;
1220 }
1221
1222
prism2_ioctl_siwpower(struct net_device * dev,struct iw_request_info * info,struct iw_param * wrq,char * extra)1223 static int prism2_ioctl_siwpower(struct net_device *dev,
1224 struct iw_request_info *info,
1225 struct iw_param *wrq, char *extra)
1226 {
1227 #ifdef PRISM2_NO_STATION_MODES
1228 return -EOPNOTSUPP;
1229 #else /* PRISM2_NO_STATION_MODES */
1230 int ret = 0;
1231
1232 if (wrq->disabled)
1233 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1234
1235 switch (wrq->flags & IW_POWER_MODE) {
1236 case IW_POWER_UNICAST_R:
1237 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1238 if (ret)
1239 return ret;
1240 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1241 if (ret)
1242 return ret;
1243 break;
1244 case IW_POWER_ALL_R:
1245 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1246 if (ret)
1247 return ret;
1248 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1249 if (ret)
1250 return ret;
1251 break;
1252 case IW_POWER_ON:
1253 break;
1254 default:
1255 return -EINVAL;
1256 }
1257
1258 if (wrq->flags & IW_POWER_TIMEOUT) {
1259 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1260 if (ret)
1261 return ret;
1262 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1263 wrq->value / 1024);
1264 if (ret)
1265 return ret;
1266 }
1267 if (wrq->flags & IW_POWER_PERIOD) {
1268 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1269 if (ret)
1270 return ret;
1271 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1272 wrq->value / 1024);
1273 if (ret)
1274 return ret;
1275 }
1276
1277 return ret;
1278 #endif /* PRISM2_NO_STATION_MODES */
1279 }
1280
1281
prism2_ioctl_giwpower(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1282 static int prism2_ioctl_giwpower(struct net_device *dev,
1283 struct iw_request_info *info,
1284 struct iw_param *rrq, char *extra)
1285 {
1286 #ifdef PRISM2_NO_STATION_MODES
1287 return -EOPNOTSUPP;
1288 #else /* PRISM2_NO_STATION_MODES */
1289 struct hostap_interface *iface;
1290 local_info_t *local;
1291 __le16 enable, mcast;
1292
1293 iface = netdev_priv(dev);
1294 local = iface->local;
1295
1296 if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1297 < 0)
1298 return -EINVAL;
1299
1300 if (!le16_to_cpu(enable)) {
1301 rrq->disabled = 1;
1302 return 0;
1303 }
1304
1305 rrq->disabled = 0;
1306
1307 if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1308 __le16 timeout;
1309 if (local->func->get_rid(dev,
1310 HFA384X_RID_CNFPMHOLDOVERDURATION,
1311 &timeout, 2, 1) < 0)
1312 return -EINVAL;
1313
1314 rrq->flags = IW_POWER_TIMEOUT;
1315 rrq->value = le16_to_cpu(timeout) * 1024;
1316 } else {
1317 __le16 period;
1318 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1319 &period, 2, 1) < 0)
1320 return -EINVAL;
1321
1322 rrq->flags = IW_POWER_PERIOD;
1323 rrq->value = le16_to_cpu(period) * 1024;
1324 }
1325
1326 if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1327 2, 1) < 0)
1328 return -EINVAL;
1329
1330 if (le16_to_cpu(mcast))
1331 rrq->flags |= IW_POWER_ALL_R;
1332 else
1333 rrq->flags |= IW_POWER_UNICAST_R;
1334
1335 return 0;
1336 #endif /* PRISM2_NO_STATION_MODES */
1337 }
1338
1339
prism2_ioctl_siwretry(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1340 static int prism2_ioctl_siwretry(struct net_device *dev,
1341 struct iw_request_info *info,
1342 struct iw_param *rrq, char *extra)
1343 {
1344 struct hostap_interface *iface;
1345 local_info_t *local;
1346
1347 iface = netdev_priv(dev);
1348 local = iface->local;
1349
1350 if (rrq->disabled)
1351 return -EINVAL;
1352
1353 /* setting retry limits is not supported with the current station
1354 * firmware code; simulate this with alternative retry count for now */
1355 if (rrq->flags == IW_RETRY_LIMIT) {
1356 if (rrq->value < 0) {
1357 /* disable manual retry count setting and use firmware
1358 * defaults */
1359 local->manual_retry_count = -1;
1360 local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1361 } else {
1362 if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1363 rrq->value)) {
1364 printk(KERN_DEBUG "%s: Alternate retry count "
1365 "setting to %d failed\n",
1366 dev->name, rrq->value);
1367 return -EOPNOTSUPP;
1368 }
1369
1370 local->manual_retry_count = rrq->value;
1371 local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1372 }
1373 return 0;
1374 }
1375
1376 return -EOPNOTSUPP;
1377
1378 #if 0
1379 /* what could be done, if firmware would support this.. */
1380
1381 if (rrq->flags & IW_RETRY_LIMIT) {
1382 if (rrq->flags & IW_RETRY_LONG)
1383 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1384 else if (rrq->flags & IW_RETRY_SHORT)
1385 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1386 else {
1387 HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1388 HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1389 }
1390
1391 }
1392
1393 if (rrq->flags & IW_RETRY_LIFETIME) {
1394 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1395 }
1396
1397 return 0;
1398 #endif /* 0 */
1399 }
1400
prism2_ioctl_giwretry(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1401 static int prism2_ioctl_giwretry(struct net_device *dev,
1402 struct iw_request_info *info,
1403 struct iw_param *rrq, char *extra)
1404 {
1405 struct hostap_interface *iface;
1406 local_info_t *local;
1407 __le16 shortretry, longretry, lifetime, altretry;
1408
1409 iface = netdev_priv(dev);
1410 local = iface->local;
1411
1412 if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1413 2, 1) < 0 ||
1414 local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1415 2, 1) < 0 ||
1416 local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1417 &lifetime, 2, 1) < 0)
1418 return -EINVAL;
1419
1420 rrq->disabled = 0;
1421
1422 if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1423 rrq->flags = IW_RETRY_LIFETIME;
1424 rrq->value = le16_to_cpu(lifetime) * 1024;
1425 } else {
1426 if (local->manual_retry_count >= 0) {
1427 rrq->flags = IW_RETRY_LIMIT;
1428 if (local->func->get_rid(dev,
1429 HFA384X_RID_CNFALTRETRYCOUNT,
1430 &altretry, 2, 1) >= 0)
1431 rrq->value = le16_to_cpu(altretry);
1432 else
1433 rrq->value = local->manual_retry_count;
1434 } else if ((rrq->flags & IW_RETRY_LONG)) {
1435 rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1436 rrq->value = le16_to_cpu(longretry);
1437 } else {
1438 rrq->flags = IW_RETRY_LIMIT;
1439 rrq->value = le16_to_cpu(shortretry);
1440 if (shortretry != longretry)
1441 rrq->flags |= IW_RETRY_SHORT;
1442 }
1443 }
1444 return 0;
1445 }
1446
1447
1448 /* Note! This TX power controlling is experimental and should not be used in
1449 * production use. It just sets raw power register and does not use any kind of
1450 * feedback information from the measured TX power (CR58). This is now
1451 * commented out to make sure that it is not used by accident. TX power
1452 * configuration will be enabled again after proper algorithm using feedback
1453 * has been implemented. */
1454
1455 #ifdef RAW_TXPOWER_SETTING
1456 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1457 * This version assumes following mapping:
1458 * CR31 is 7-bit value with -64 to +63 range.
1459 * -64 is mapped into +20dBm and +63 into -43dBm.
1460 * This is certainly not an exact mapping for every card, but at least
1461 * increasing dBm value should correspond to increasing TX power.
1462 */
1463
prism2_txpower_hfa386x_to_dBm(u16 val)1464 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1465 {
1466 signed char tmp;
1467
1468 if (val > 255)
1469 val = 255;
1470
1471 tmp = val;
1472 tmp >>= 2;
1473
1474 return -12 - tmp;
1475 }
1476
prism2_txpower_dBm_to_hfa386x(int val)1477 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1478 {
1479 signed char tmp;
1480
1481 if (val > 20)
1482 return 128;
1483 else if (val < -43)
1484 return 127;
1485
1486 tmp = val;
1487 tmp = -12 - tmp;
1488 tmp <<= 2;
1489
1490 return (unsigned char) tmp;
1491 }
1492 #endif /* RAW_TXPOWER_SETTING */
1493
1494
prism2_ioctl_siwtxpow(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1495 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1496 struct iw_request_info *info,
1497 struct iw_param *rrq, char *extra)
1498 {
1499 struct hostap_interface *iface;
1500 local_info_t *local;
1501 #ifdef RAW_TXPOWER_SETTING
1502 char *tmp;
1503 #endif
1504 u16 val;
1505 int ret = 0;
1506
1507 iface = netdev_priv(dev);
1508 local = iface->local;
1509
1510 if (rrq->disabled) {
1511 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1512 val = 0xff; /* use all standby and sleep modes */
1513 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1514 HFA386X_CR_A_D_TEST_MODES2,
1515 &val, NULL);
1516 printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1517 dev->name, ret ? "failed" : "OK");
1518 local->txpower_type = PRISM2_TXPOWER_OFF;
1519 }
1520 return (ret ? -EOPNOTSUPP : 0);
1521 }
1522
1523 if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1524 val = 0; /* disable all standby and sleep modes */
1525 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1526 HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1527 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1528 dev->name, ret ? "failed" : "OK");
1529 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1530 }
1531
1532 #ifdef RAW_TXPOWER_SETTING
1533 if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1534 printk(KERN_DEBUG "Setting ALC on\n");
1535 val = HFA384X_TEST_CFG_BIT_ALC;
1536 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1537 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1538 local->txpower_type = PRISM2_TXPOWER_AUTO;
1539 return 0;
1540 }
1541
1542 if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1543 printk(KERN_DEBUG "Setting ALC off\n");
1544 val = HFA384X_TEST_CFG_BIT_ALC;
1545 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1546 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1547 local->txpower_type = PRISM2_TXPOWER_FIXED;
1548 }
1549
1550 if (rrq->flags == IW_TXPOW_DBM)
1551 tmp = "dBm";
1552 else if (rrq->flags == IW_TXPOW_MWATT)
1553 tmp = "mW";
1554 else
1555 tmp = "UNKNOWN";
1556 printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1557
1558 if (rrq->flags != IW_TXPOW_DBM) {
1559 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1560 return -EOPNOTSUPP;
1561 }
1562
1563 local->txpower = rrq->value;
1564 val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1565 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1566 HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1567 ret = -EOPNOTSUPP;
1568 #else /* RAW_TXPOWER_SETTING */
1569 if (rrq->fixed)
1570 ret = -EOPNOTSUPP;
1571 #endif /* RAW_TXPOWER_SETTING */
1572
1573 return ret;
1574 }
1575
prism2_ioctl_giwtxpow(struct net_device * dev,struct iw_request_info * info,struct iw_param * rrq,char * extra)1576 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1577 struct iw_request_info *info,
1578 struct iw_param *rrq, char *extra)
1579 {
1580 #ifdef RAW_TXPOWER_SETTING
1581 struct hostap_interface *iface;
1582 local_info_t *local;
1583 u16 resp0;
1584
1585 iface = netdev_priv(dev);
1586 local = iface->local;
1587
1588 rrq->flags = IW_TXPOW_DBM;
1589 rrq->disabled = 0;
1590 rrq->fixed = 0;
1591
1592 if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1593 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1594 HFA386X_CR_MANUAL_TX_POWER,
1595 NULL, &resp0) == 0) {
1596 rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1597 } else {
1598 /* Could not get real txpower; guess 15 dBm */
1599 rrq->value = 15;
1600 }
1601 } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1602 rrq->value = 0;
1603 rrq->disabled = 1;
1604 } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1605 rrq->value = local->txpower;
1606 rrq->fixed = 1;
1607 } else {
1608 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1609 local->txpower_type);
1610 }
1611 return 0;
1612 #else /* RAW_TXPOWER_SETTING */
1613 return -EOPNOTSUPP;
1614 #endif /* RAW_TXPOWER_SETTING */
1615 }
1616
1617
1618 #ifndef PRISM2_NO_STATION_MODES
1619
1620 /* HostScan request works with and without host_roaming mode. In addition, it
1621 * does not break current association. However, it requires newer station
1622 * firmware version (>= 1.3.1) than scan request. */
prism2_request_hostscan(struct net_device * dev,u8 * ssid,u8 ssid_len)1623 static int prism2_request_hostscan(struct net_device *dev,
1624 u8 *ssid, u8 ssid_len)
1625 {
1626 struct hostap_interface *iface;
1627 local_info_t *local;
1628 struct hfa384x_hostscan_request scan_req;
1629
1630 iface = netdev_priv(dev);
1631 local = iface->local;
1632
1633 memset(&scan_req, 0, sizeof(scan_req));
1634 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1635 local->scan_channel_mask);
1636 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1637 if (ssid) {
1638 if (ssid_len > 32)
1639 return -EINVAL;
1640 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1641 memcpy(scan_req.target_ssid, ssid, ssid_len);
1642 }
1643
1644 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1645 sizeof(scan_req))) {
1646 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1647 return -EINVAL;
1648 }
1649 return 0;
1650 }
1651
1652
prism2_request_scan(struct net_device * dev)1653 static int prism2_request_scan(struct net_device *dev)
1654 {
1655 struct hostap_interface *iface;
1656 local_info_t *local;
1657 struct hfa384x_scan_request scan_req;
1658 int ret = 0;
1659
1660 iface = netdev_priv(dev);
1661 local = iface->local;
1662
1663 memset(&scan_req, 0, sizeof(scan_req));
1664 scan_req.channel_list = cpu_to_le16(local->channel_mask &
1665 local->scan_channel_mask);
1666 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1667
1668 /* FIX:
1669 * It seems to be enough to set roaming mode for a short moment to
1670 * host-based and then setup scanrequest data and return the mode to
1671 * firmware-based.
1672 *
1673 * Master mode would need to drop to Managed mode for a short while
1674 * to make scanning work.. Or sweep through the different channels and
1675 * use passive scan based on beacons. */
1676
1677 if (!local->host_roaming)
1678 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1679 HFA384X_ROAMING_HOST);
1680
1681 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1682 sizeof(scan_req))) {
1683 printk(KERN_DEBUG "SCANREQUEST failed\n");
1684 ret = -EINVAL;
1685 }
1686
1687 if (!local->host_roaming)
1688 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1689 HFA384X_ROAMING_FIRMWARE);
1690
1691 return ret;
1692 }
1693
1694 #else /* !PRISM2_NO_STATION_MODES */
1695
prism2_request_hostscan(struct net_device * dev,u8 * ssid,u8 ssid_len)1696 static inline int prism2_request_hostscan(struct net_device *dev,
1697 u8 *ssid, u8 ssid_len)
1698 {
1699 return -EOPNOTSUPP;
1700 }
1701
1702
prism2_request_scan(struct net_device * dev)1703 static inline int prism2_request_scan(struct net_device *dev)
1704 {
1705 return -EOPNOTSUPP;
1706 }
1707
1708 #endif /* !PRISM2_NO_STATION_MODES */
1709
1710
prism2_ioctl_siwscan(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)1711 static int prism2_ioctl_siwscan(struct net_device *dev,
1712 struct iw_request_info *info,
1713 struct iw_point *data, char *extra)
1714 {
1715 struct hostap_interface *iface;
1716 local_info_t *local;
1717 int ret;
1718 u8 *ssid = NULL, ssid_len = 0;
1719 struct iw_scan_req *req = (struct iw_scan_req *) extra;
1720
1721 iface = netdev_priv(dev);
1722 local = iface->local;
1723
1724 if (data->length < sizeof(struct iw_scan_req))
1725 req = NULL;
1726
1727 if (local->iw_mode == IW_MODE_MASTER) {
1728 /* In master mode, we just return the results of our local
1729 * tables, so we don't need to start anything...
1730 * Jean II */
1731 data->length = 0;
1732 return 0;
1733 }
1734
1735 if (!local->dev_enabled)
1736 return -ENETDOWN;
1737
1738 if (req && data->flags & IW_SCAN_THIS_ESSID) {
1739 ssid = req->essid;
1740 ssid_len = req->essid_len;
1741
1742 if (ssid_len &&
1743 ((local->iw_mode != IW_MODE_INFRA &&
1744 local->iw_mode != IW_MODE_ADHOC) ||
1745 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1746 return -EOPNOTSUPP;
1747 }
1748
1749 if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1750 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1751 else
1752 ret = prism2_request_scan(dev);
1753
1754 if (ret == 0)
1755 local->scan_timestamp = jiffies;
1756
1757 /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1758
1759 return ret;
1760 }
1761
1762
1763 #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)1764 static char * __prism2_translate_scan(local_info_t *local,
1765 struct iw_request_info *info,
1766 struct hfa384x_hostscan_result *scan,
1767 struct hostap_bss_info *bss,
1768 char *current_ev, char *end_buf)
1769 {
1770 int i, chan;
1771 struct iw_event iwe;
1772 char *current_val;
1773 u16 capabilities;
1774 u8 *pos;
1775 u8 *ssid, *bssid;
1776 size_t ssid_len;
1777 char *buf;
1778
1779 if (bss) {
1780 ssid = bss->ssid;
1781 ssid_len = bss->ssid_len;
1782 bssid = bss->bssid;
1783 } else {
1784 ssid = scan->ssid;
1785 ssid_len = le16_to_cpu(scan->ssid_len);
1786 bssid = scan->bssid;
1787 }
1788 if (ssid_len > 32)
1789 ssid_len = 32;
1790
1791 /* First entry *MUST* be the AP MAC address */
1792 memset(&iwe, 0, sizeof(iwe));
1793 iwe.cmd = SIOCGIWAP;
1794 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1795 memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1796 current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1797 IW_EV_ADDR_LEN);
1798
1799 /* Other entries will be displayed in the order we give them */
1800
1801 memset(&iwe, 0, sizeof(iwe));
1802 iwe.cmd = SIOCGIWESSID;
1803 iwe.u.data.length = ssid_len;
1804 iwe.u.data.flags = 1;
1805 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1806 &iwe, ssid);
1807
1808 memset(&iwe, 0, sizeof(iwe));
1809 iwe.cmd = SIOCGIWMODE;
1810 if (bss) {
1811 capabilities = bss->capab_info;
1812 } else {
1813 capabilities = le16_to_cpu(scan->capability);
1814 }
1815 if (capabilities & (WLAN_CAPABILITY_ESS |
1816 WLAN_CAPABILITY_IBSS)) {
1817 if (capabilities & WLAN_CAPABILITY_ESS)
1818 iwe.u.mode = IW_MODE_MASTER;
1819 else
1820 iwe.u.mode = IW_MODE_ADHOC;
1821 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1822 &iwe, IW_EV_UINT_LEN);
1823 }
1824
1825 memset(&iwe, 0, sizeof(iwe));
1826 iwe.cmd = SIOCGIWFREQ;
1827 if (scan) {
1828 chan = le16_to_cpu(scan->chid);
1829 } else if (bss) {
1830 chan = bss->chan;
1831 } else {
1832 chan = 0;
1833 }
1834
1835 if (chan > 0) {
1836 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1837 iwe.u.freq.e = 1;
1838 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1839 &iwe, IW_EV_FREQ_LEN);
1840 }
1841
1842 if (scan) {
1843 memset(&iwe, 0, sizeof(iwe));
1844 iwe.cmd = IWEVQUAL;
1845 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1846 iwe.u.qual.level = le16_to_cpu(scan->sl);
1847 iwe.u.qual.noise = le16_to_cpu(scan->anl);
1848 } else {
1849 iwe.u.qual.level =
1850 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1851 iwe.u.qual.noise =
1852 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1853 }
1854 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1855 | IW_QUAL_NOISE_UPDATED
1856 | IW_QUAL_QUAL_INVALID
1857 | IW_QUAL_DBM;
1858 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1859 &iwe, IW_EV_QUAL_LEN);
1860 }
1861
1862 memset(&iwe, 0, sizeof(iwe));
1863 iwe.cmd = SIOCGIWENCODE;
1864 if (capabilities & WLAN_CAPABILITY_PRIVACY)
1865 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1866 else
1867 iwe.u.data.flags = IW_ENCODE_DISABLED;
1868 iwe.u.data.length = 0;
1869 current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1870
1871 /* TODO: add SuppRates into BSS table */
1872 if (scan) {
1873 memset(&iwe, 0, sizeof(iwe));
1874 iwe.cmd = SIOCGIWRATE;
1875 current_val = current_ev + iwe_stream_lcp_len(info);
1876 pos = scan->sup_rates;
1877 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1878 if (pos[i] == 0)
1879 break;
1880 /* Bit rate given in 500 kb/s units (+ 0x80) */
1881 iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1882 current_val = iwe_stream_add_value(
1883 info, current_ev, current_val, end_buf, &iwe,
1884 IW_EV_PARAM_LEN);
1885 }
1886 /* Check if we added any event */
1887 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1888 current_ev = current_val;
1889 }
1890
1891 /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1892 buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1893 if (buf && scan) {
1894 memset(&iwe, 0, sizeof(iwe));
1895 iwe.cmd = IWEVCUSTOM;
1896 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1897 iwe.u.data.length = strlen(buf);
1898 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1899 &iwe, buf);
1900
1901 memset(&iwe, 0, sizeof(iwe));
1902 iwe.cmd = IWEVCUSTOM;
1903 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1904 iwe.u.data.length = strlen(buf);
1905 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1906 &iwe, buf);
1907
1908 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1909 (capabilities & WLAN_CAPABILITY_IBSS)) {
1910 memset(&iwe, 0, sizeof(iwe));
1911 iwe.cmd = IWEVCUSTOM;
1912 sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1913 iwe.u.data.length = strlen(buf);
1914 current_ev = iwe_stream_add_point(info, current_ev,
1915 end_buf, &iwe, buf);
1916 }
1917 }
1918 kfree(buf);
1919
1920 if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1921 memset(&iwe, 0, sizeof(iwe));
1922 iwe.cmd = IWEVGENIE;
1923 iwe.u.data.length = bss->wpa_ie_len;
1924 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1925 &iwe, bss->wpa_ie);
1926 }
1927
1928 if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1929 memset(&iwe, 0, sizeof(iwe));
1930 iwe.cmd = IWEVGENIE;
1931 iwe.u.data.length = bss->rsn_ie_len;
1932 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1933 &iwe, bss->rsn_ie);
1934 }
1935
1936 return current_ev;
1937 }
1938
1939
1940 /* Translate scan data returned from the card to a card independent
1941 * 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)1942 static inline int prism2_translate_scan(local_info_t *local,
1943 struct iw_request_info *info,
1944 char *buffer, int buflen)
1945 {
1946 struct hfa384x_hostscan_result *scan;
1947 int entry;
1948 char *current_ev = buffer;
1949 char *end_buf = buffer + buflen;
1950 struct list_head *ptr;
1951
1952 spin_lock_bh(&local->lock);
1953
1954 list_for_each(ptr, &local->bss_list) {
1955 struct hostap_bss_info *bss;
1956 bss = list_entry(ptr, struct hostap_bss_info, list);
1957 bss->included = 0;
1958 }
1959
1960 for (entry = 0; entry < local->last_scan_results_count; entry++) {
1961 int found = 0;
1962 scan = &local->last_scan_results[entry];
1963
1964 /* Report every SSID if the AP is using multiple SSIDs. If no
1965 * BSS record is found (e.g., when WPA mode is disabled),
1966 * report the AP once. */
1967 list_for_each(ptr, &local->bss_list) {
1968 struct hostap_bss_info *bss;
1969 bss = list_entry(ptr, struct hostap_bss_info, list);
1970 if (ether_addr_equal(bss->bssid, scan->bssid)) {
1971 bss->included = 1;
1972 current_ev = __prism2_translate_scan(
1973 local, info, scan, bss, current_ev,
1974 end_buf);
1975 found++;
1976 }
1977 }
1978 if (!found) {
1979 current_ev = __prism2_translate_scan(
1980 local, info, scan, NULL, current_ev, end_buf);
1981 }
1982 /* Check if there is space for one more entry */
1983 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1984 /* Ask user space to try again with a bigger buffer */
1985 spin_unlock_bh(&local->lock);
1986 return -E2BIG;
1987 }
1988 }
1989
1990 /* Prism2 firmware has limits (32 at least in some versions) for number
1991 * of BSSes in scan results. Extend this limit by using local BSS list.
1992 */
1993 list_for_each(ptr, &local->bss_list) {
1994 struct hostap_bss_info *bss;
1995 bss = list_entry(ptr, struct hostap_bss_info, list);
1996 if (bss->included)
1997 continue;
1998 current_ev = __prism2_translate_scan(local, info, NULL, bss,
1999 current_ev, end_buf);
2000 /* Check if there is space for one more entry */
2001 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2002 /* Ask user space to try again with a bigger buffer */
2003 spin_unlock_bh(&local->lock);
2004 return -E2BIG;
2005 }
2006 }
2007
2008 spin_unlock_bh(&local->lock);
2009
2010 return current_ev - buffer;
2011 }
2012 #endif /* PRISM2_NO_STATION_MODES */
2013
2014
prism2_ioctl_giwscan_sta(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)2015 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2016 struct iw_request_info *info,
2017 struct iw_point *data, char *extra)
2018 {
2019 #ifdef PRISM2_NO_STATION_MODES
2020 return -EOPNOTSUPP;
2021 #else /* PRISM2_NO_STATION_MODES */
2022 struct hostap_interface *iface;
2023 local_info_t *local;
2024 int res;
2025
2026 iface = netdev_priv(dev);
2027 local = iface->local;
2028
2029 /* Wait until the scan is finished. We can probably do better
2030 * than that - Jean II */
2031 if (local->scan_timestamp &&
2032 time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2033 /* Important note : we don't want to block the caller
2034 * until results are ready for various reasons.
2035 * First, managing wait queues is complex and racy
2036 * (there may be multiple simultaneous callers).
2037 * Second, we grab some rtnetlink lock before coming
2038 * here (in dev_ioctl()).
2039 * Third, the caller can wait on the Wireless Event
2040 * - Jean II */
2041 return -EAGAIN;
2042 }
2043 local->scan_timestamp = 0;
2044
2045 res = prism2_translate_scan(local, info, extra, data->length);
2046
2047 if (res >= 0) {
2048 data->length = res;
2049 return 0;
2050 } else {
2051 data->length = 0;
2052 return res;
2053 }
2054 #endif /* PRISM2_NO_STATION_MODES */
2055 }
2056
2057
prism2_ioctl_giwscan(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)2058 static int prism2_ioctl_giwscan(struct net_device *dev,
2059 struct iw_request_info *info,
2060 struct iw_point *data, char *extra)
2061 {
2062 struct hostap_interface *iface;
2063 local_info_t *local;
2064 int res;
2065
2066 iface = netdev_priv(dev);
2067 local = iface->local;
2068
2069 if (local->iw_mode == IW_MODE_MASTER) {
2070 /* In MASTER mode, it doesn't make sense to go around
2071 * scanning the frequencies and make the stations we serve
2072 * wait when what the user is really interested about is the
2073 * list of stations and access points we are talking to.
2074 * So, just extract results from our cache...
2075 * Jean II */
2076
2077 /* Translate to WE format */
2078 res = prism2_ap_translate_scan(dev, info, extra);
2079 if (res >= 0) {
2080 printk(KERN_DEBUG "Scan result translation succeeded "
2081 "(length=%d)\n", res);
2082 data->length = res;
2083 return 0;
2084 } else {
2085 printk(KERN_DEBUG
2086 "Scan result translation failed (res=%d)\n",
2087 res);
2088 data->length = 0;
2089 return res;
2090 }
2091 } else {
2092 /* Station mode */
2093 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2094 }
2095 }
2096
2097
2098 static const struct iw_priv_args prism2_priv[] = {
2099 { PRISM2_IOCTL_MONITOR,
2100 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2101 { PRISM2_IOCTL_READMIF,
2102 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2103 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2104 { PRISM2_IOCTL_WRITEMIF,
2105 IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2106 { PRISM2_IOCTL_RESET,
2107 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2108 { PRISM2_IOCTL_INQUIRE,
2109 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2110 { PRISM2_IOCTL_SET_RID_WORD,
2111 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2112 { PRISM2_IOCTL_MACCMD,
2113 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2114 { PRISM2_IOCTL_WDS_ADD,
2115 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2116 { PRISM2_IOCTL_WDS_DEL,
2117 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2118 { PRISM2_IOCTL_ADDMAC,
2119 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2120 { PRISM2_IOCTL_DELMAC,
2121 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2122 { PRISM2_IOCTL_KICKMAC,
2123 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2124 /* --- raw access to sub-ioctls --- */
2125 { PRISM2_IOCTL_PRISM2_PARAM,
2126 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2127 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2128 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2129 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2130 /* --- sub-ioctls handlers --- */
2131 { PRISM2_IOCTL_PRISM2_PARAM,
2132 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2133 { PRISM2_IOCTL_GET_PRISM2_PARAM,
2134 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2135 /* --- sub-ioctls definitions --- */
2136 { PRISM2_PARAM_TXRATECTRL,
2137 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2138 { PRISM2_PARAM_TXRATECTRL,
2139 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2140 { PRISM2_PARAM_BEACON_INT,
2141 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2142 { PRISM2_PARAM_BEACON_INT,
2143 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2144 #ifndef PRISM2_NO_STATION_MODES
2145 { PRISM2_PARAM_PSEUDO_IBSS,
2146 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2147 { PRISM2_PARAM_PSEUDO_IBSS,
2148 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2149 #endif /* PRISM2_NO_STATION_MODES */
2150 { PRISM2_PARAM_ALC,
2151 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2152 { PRISM2_PARAM_ALC,
2153 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2154 { PRISM2_PARAM_DUMP,
2155 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2156 { PRISM2_PARAM_DUMP,
2157 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2158 { PRISM2_PARAM_OTHER_AP_POLICY,
2159 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2160 { PRISM2_PARAM_OTHER_AP_POLICY,
2161 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2162 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2163 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2164 { PRISM2_PARAM_AP_MAX_INACTIVITY,
2165 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2166 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2167 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2168 { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2169 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2170 { PRISM2_PARAM_DTIM_PERIOD,
2171 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2172 { PRISM2_PARAM_DTIM_PERIOD,
2173 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2174 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2175 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2176 { PRISM2_PARAM_AP_NULLFUNC_ACK,
2177 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2178 { PRISM2_PARAM_MAX_WDS,
2179 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2180 { PRISM2_PARAM_MAX_WDS,
2181 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2182 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2183 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2184 { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2185 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2186 { PRISM2_PARAM_AP_AUTH_ALGS,
2187 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2188 { PRISM2_PARAM_AP_AUTH_ALGS,
2189 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2190 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2191 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2192 { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2193 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2194 { PRISM2_PARAM_HOST_ENCRYPT,
2195 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2196 { PRISM2_PARAM_HOST_ENCRYPT,
2197 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2198 { PRISM2_PARAM_HOST_DECRYPT,
2199 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2200 { PRISM2_PARAM_HOST_DECRYPT,
2201 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2202 #ifndef PRISM2_NO_STATION_MODES
2203 { PRISM2_PARAM_HOST_ROAMING,
2204 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2205 { PRISM2_PARAM_HOST_ROAMING,
2206 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2207 #endif /* PRISM2_NO_STATION_MODES */
2208 { PRISM2_PARAM_BCRX_STA_KEY,
2209 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2210 { PRISM2_PARAM_BCRX_STA_KEY,
2211 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2212 { PRISM2_PARAM_IEEE_802_1X,
2213 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2214 { PRISM2_PARAM_IEEE_802_1X,
2215 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2216 { PRISM2_PARAM_ANTSEL_TX,
2217 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2218 { PRISM2_PARAM_ANTSEL_TX,
2219 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2220 { PRISM2_PARAM_ANTSEL_RX,
2221 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2222 { PRISM2_PARAM_ANTSEL_RX,
2223 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2224 { PRISM2_PARAM_MONITOR_TYPE,
2225 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2226 { PRISM2_PARAM_MONITOR_TYPE,
2227 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2228 { PRISM2_PARAM_WDS_TYPE,
2229 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2230 { PRISM2_PARAM_WDS_TYPE,
2231 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2232 { PRISM2_PARAM_HOSTSCAN,
2233 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2234 { PRISM2_PARAM_HOSTSCAN,
2235 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2236 { PRISM2_PARAM_AP_SCAN,
2237 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2238 { PRISM2_PARAM_AP_SCAN,
2239 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2240 { PRISM2_PARAM_ENH_SEC,
2241 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2242 { PRISM2_PARAM_ENH_SEC,
2243 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2244 #ifdef PRISM2_IO_DEBUG
2245 { PRISM2_PARAM_IO_DEBUG,
2246 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2247 { PRISM2_PARAM_IO_DEBUG,
2248 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2249 #endif /* PRISM2_IO_DEBUG */
2250 { PRISM2_PARAM_BASIC_RATES,
2251 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2252 { PRISM2_PARAM_BASIC_RATES,
2253 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2254 { PRISM2_PARAM_OPER_RATES,
2255 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2256 { PRISM2_PARAM_OPER_RATES,
2257 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2258 { PRISM2_PARAM_HOSTAPD,
2259 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2260 { PRISM2_PARAM_HOSTAPD,
2261 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2262 { PRISM2_PARAM_HOSTAPD_STA,
2263 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2264 { PRISM2_PARAM_HOSTAPD_STA,
2265 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2266 { PRISM2_PARAM_WPA,
2267 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2268 { PRISM2_PARAM_WPA,
2269 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2270 { PRISM2_PARAM_PRIVACY_INVOKED,
2271 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2272 { PRISM2_PARAM_PRIVACY_INVOKED,
2273 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2274 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2275 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2276 { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2277 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2278 { PRISM2_PARAM_DROP_UNENCRYPTED,
2279 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2280 { PRISM2_PARAM_DROP_UNENCRYPTED,
2281 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2282 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2283 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2284 { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2285 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2286 };
2287
2288
prism2_ioctl_priv_inquire(struct net_device * dev,int * i)2289 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2290 {
2291 struct hostap_interface *iface;
2292 local_info_t *local;
2293
2294 iface = netdev_priv(dev);
2295 local = iface->local;
2296
2297 if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2298 return -EOPNOTSUPP;
2299
2300 return 0;
2301 }
2302
2303
prism2_ioctl_priv_prism2_param(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2304 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2305 struct iw_request_info *info,
2306 void *wrqu, char *extra)
2307 {
2308 struct hostap_interface *iface;
2309 local_info_t *local;
2310 int *i = (int *) extra;
2311 int param = *i;
2312 int value = *(i + 1);
2313 int ret = 0;
2314 u16 val;
2315
2316 iface = netdev_priv(dev);
2317 local = iface->local;
2318
2319 switch (param) {
2320 case PRISM2_PARAM_TXRATECTRL:
2321 local->fw_tx_rate_control = value;
2322 break;
2323
2324 case PRISM2_PARAM_BEACON_INT:
2325 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2326 local->func->reset_port(dev))
2327 ret = -EINVAL;
2328 else
2329 local->beacon_int = value;
2330 break;
2331
2332 #ifndef PRISM2_NO_STATION_MODES
2333 case PRISM2_PARAM_PSEUDO_IBSS:
2334 if (value == local->pseudo_adhoc)
2335 break;
2336
2337 if (value != 0 && value != 1) {
2338 ret = -EINVAL;
2339 break;
2340 }
2341
2342 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2343 dev->name, local->pseudo_adhoc, value);
2344 local->pseudo_adhoc = value;
2345 if (local->iw_mode != IW_MODE_ADHOC)
2346 break;
2347
2348 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2349 hostap_get_porttype(local))) {
2350 ret = -EOPNOTSUPP;
2351 break;
2352 }
2353
2354 if (local->func->reset_port(dev))
2355 ret = -EINVAL;
2356 break;
2357 #endif /* PRISM2_NO_STATION_MODES */
2358
2359 case PRISM2_PARAM_ALC:
2360 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2361 value == 0 ? "Disabling" : "Enabling");
2362 val = HFA384X_TEST_CFG_BIT_ALC;
2363 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2364 (HFA384X_TEST_CFG_BITS << 8),
2365 value == 0 ? 0 : 1, &val, NULL);
2366 break;
2367
2368 case PRISM2_PARAM_DUMP:
2369 local->frame_dump = value;
2370 break;
2371
2372 case PRISM2_PARAM_OTHER_AP_POLICY:
2373 if (value < 0 || value > 3) {
2374 ret = -EINVAL;
2375 break;
2376 }
2377 if (local->ap != NULL)
2378 local->ap->ap_policy = value;
2379 break;
2380
2381 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2382 if (value < 0 || value > 7 * 24 * 60 * 60) {
2383 ret = -EINVAL;
2384 break;
2385 }
2386 if (local->ap != NULL)
2387 local->ap->max_inactivity = value * HZ;
2388 break;
2389
2390 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2391 if (local->ap != NULL)
2392 local->ap->bridge_packets = value;
2393 break;
2394
2395 case PRISM2_PARAM_DTIM_PERIOD:
2396 if (value < 0 || value > 65535) {
2397 ret = -EINVAL;
2398 break;
2399 }
2400 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2401 || local->func->reset_port(dev))
2402 ret = -EINVAL;
2403 else
2404 local->dtim_period = value;
2405 break;
2406
2407 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2408 if (local->ap != NULL)
2409 local->ap->nullfunc_ack = value;
2410 break;
2411
2412 case PRISM2_PARAM_MAX_WDS:
2413 local->wds_max_connections = value;
2414 break;
2415
2416 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2417 if (local->ap != NULL) {
2418 if (!local->ap->autom_ap_wds && value) {
2419 /* add WDS link to all APs in STA table */
2420 hostap_add_wds_links(local);
2421 }
2422 local->ap->autom_ap_wds = value;
2423 }
2424 break;
2425
2426 case PRISM2_PARAM_AP_AUTH_ALGS:
2427 local->auth_algs = value;
2428 if (hostap_set_auth_algs(local))
2429 ret = -EINVAL;
2430 break;
2431
2432 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2433 local->monitor_allow_fcserr = value;
2434 break;
2435
2436 case PRISM2_PARAM_HOST_ENCRYPT:
2437 local->host_encrypt = value;
2438 if (hostap_set_encryption(local) ||
2439 local->func->reset_port(dev))
2440 ret = -EINVAL;
2441 break;
2442
2443 case PRISM2_PARAM_HOST_DECRYPT:
2444 local->host_decrypt = value;
2445 if (hostap_set_encryption(local) ||
2446 local->func->reset_port(dev))
2447 ret = -EINVAL;
2448 break;
2449
2450 #ifndef PRISM2_NO_STATION_MODES
2451 case PRISM2_PARAM_HOST_ROAMING:
2452 if (value < 0 || value > 2) {
2453 ret = -EINVAL;
2454 break;
2455 }
2456 local->host_roaming = value;
2457 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2458 ret = -EINVAL;
2459 break;
2460 #endif /* PRISM2_NO_STATION_MODES */
2461
2462 case PRISM2_PARAM_BCRX_STA_KEY:
2463 local->bcrx_sta_key = value;
2464 break;
2465
2466 case PRISM2_PARAM_IEEE_802_1X:
2467 local->ieee_802_1x = value;
2468 break;
2469
2470 case PRISM2_PARAM_ANTSEL_TX:
2471 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2472 ret = -EINVAL;
2473 break;
2474 }
2475 local->antsel_tx = value;
2476 hostap_set_antsel(local);
2477 break;
2478
2479 case PRISM2_PARAM_ANTSEL_RX:
2480 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2481 ret = -EINVAL;
2482 break;
2483 }
2484 local->antsel_rx = value;
2485 hostap_set_antsel(local);
2486 break;
2487
2488 case PRISM2_PARAM_MONITOR_TYPE:
2489 if (value != PRISM2_MONITOR_80211 &&
2490 value != PRISM2_MONITOR_CAPHDR &&
2491 value != PRISM2_MONITOR_PRISM &&
2492 value != PRISM2_MONITOR_RADIOTAP) {
2493 ret = -EINVAL;
2494 break;
2495 }
2496 local->monitor_type = value;
2497 if (local->iw_mode == IW_MODE_MONITOR)
2498 hostap_monitor_set_type(local);
2499 break;
2500
2501 case PRISM2_PARAM_WDS_TYPE:
2502 local->wds_type = value;
2503 break;
2504
2505 case PRISM2_PARAM_HOSTSCAN:
2506 {
2507 struct hfa384x_hostscan_request scan_req;
2508 u16 rate;
2509
2510 memset(&scan_req, 0, sizeof(scan_req));
2511 scan_req.channel_list = cpu_to_le16(0x3fff);
2512 switch (value) {
2513 case 1: rate = HFA384X_RATES_1MBPS; break;
2514 case 2: rate = HFA384X_RATES_2MBPS; break;
2515 case 3: rate = HFA384X_RATES_5MBPS; break;
2516 case 4: rate = HFA384X_RATES_11MBPS; break;
2517 default: rate = HFA384X_RATES_1MBPS; break;
2518 }
2519 scan_req.txrate = cpu_to_le16(rate);
2520 /* leave SSID empty to accept all SSIDs */
2521
2522 if (local->iw_mode == IW_MODE_MASTER) {
2523 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2524 HFA384X_PORTTYPE_BSS) ||
2525 local->func->reset_port(dev))
2526 printk(KERN_DEBUG "Leaving Host AP mode "
2527 "for HostScan failed\n");
2528 }
2529
2530 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2531 sizeof(scan_req))) {
2532 printk(KERN_DEBUG "HOSTSCAN failed\n");
2533 ret = -EINVAL;
2534 }
2535 if (local->iw_mode == IW_MODE_MASTER) {
2536 wait_queue_entry_t __wait;
2537 init_waitqueue_entry(&__wait, current);
2538 add_wait_queue(&local->hostscan_wq, &__wait);
2539 set_current_state(TASK_INTERRUPTIBLE);
2540 schedule_timeout(HZ);
2541 if (signal_pending(current))
2542 ret = -EINTR;
2543 set_current_state(TASK_RUNNING);
2544 remove_wait_queue(&local->hostscan_wq, &__wait);
2545
2546 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2547 HFA384X_PORTTYPE_HOSTAP) ||
2548 local->func->reset_port(dev))
2549 printk(KERN_DEBUG "Returning to Host AP mode "
2550 "after HostScan failed\n");
2551 }
2552 break;
2553 }
2554
2555 case PRISM2_PARAM_AP_SCAN:
2556 local->passive_scan_interval = value;
2557 if (timer_pending(&local->passive_scan_timer))
2558 del_timer(&local->passive_scan_timer);
2559 if (value > 0 && value < INT_MAX / HZ) {
2560 local->passive_scan_timer.expires = jiffies +
2561 local->passive_scan_interval * HZ;
2562 add_timer(&local->passive_scan_timer);
2563 }
2564 break;
2565
2566 case PRISM2_PARAM_ENH_SEC:
2567 if (value < 0 || value > 3) {
2568 ret = -EINVAL;
2569 break;
2570 }
2571 local->enh_sec = value;
2572 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2573 local->enh_sec) ||
2574 local->func->reset_port(dev)) {
2575 printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2576 "1.6.3 or newer\n", dev->name);
2577 ret = -EOPNOTSUPP;
2578 }
2579 break;
2580
2581 #ifdef PRISM2_IO_DEBUG
2582 case PRISM2_PARAM_IO_DEBUG:
2583 local->io_debug_enabled = value;
2584 break;
2585 #endif /* PRISM2_IO_DEBUG */
2586
2587 case PRISM2_PARAM_BASIC_RATES:
2588 if ((value & local->tx_rate_control) != value || value == 0) {
2589 printk(KERN_INFO "%s: invalid basic rate set - basic "
2590 "rates must be in supported rate set\n",
2591 dev->name);
2592 ret = -EINVAL;
2593 break;
2594 }
2595 local->basic_rates = value;
2596 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2597 local->basic_rates) ||
2598 local->func->reset_port(dev))
2599 ret = -EINVAL;
2600 break;
2601
2602 case PRISM2_PARAM_OPER_RATES:
2603 local->tx_rate_control = value;
2604 if (hostap_set_rate(dev))
2605 ret = -EINVAL;
2606 break;
2607
2608 case PRISM2_PARAM_HOSTAPD:
2609 ret = hostap_set_hostapd(local, value, 1);
2610 break;
2611
2612 case PRISM2_PARAM_HOSTAPD_STA:
2613 ret = hostap_set_hostapd_sta(local, value, 1);
2614 break;
2615
2616 case PRISM2_PARAM_WPA:
2617 local->wpa = value;
2618 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2619 ret = -EOPNOTSUPP;
2620 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2621 value ? 1 : 0))
2622 ret = -EINVAL;
2623 break;
2624
2625 case PRISM2_PARAM_PRIVACY_INVOKED:
2626 local->privacy_invoked = value;
2627 if (hostap_set_encryption(local) ||
2628 local->func->reset_port(dev))
2629 ret = -EINVAL;
2630 break;
2631
2632 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2633 local->tkip_countermeasures = value;
2634 break;
2635
2636 case PRISM2_PARAM_DROP_UNENCRYPTED:
2637 local->drop_unencrypted = value;
2638 break;
2639
2640 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2641 local->scan_channel_mask = value;
2642 break;
2643
2644 default:
2645 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2646 dev->name, param);
2647 ret = -EOPNOTSUPP;
2648 break;
2649 }
2650
2651 return ret;
2652 }
2653
2654
prism2_ioctl_priv_get_prism2_param(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2655 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2656 struct iw_request_info *info,
2657 void *wrqu, char *extra)
2658 {
2659 struct hostap_interface *iface;
2660 local_info_t *local;
2661 int *param = (int *) extra;
2662 int ret = 0;
2663
2664 iface = netdev_priv(dev);
2665 local = iface->local;
2666
2667 switch (*param) {
2668 case PRISM2_PARAM_TXRATECTRL:
2669 *param = local->fw_tx_rate_control;
2670 break;
2671
2672 case PRISM2_PARAM_BEACON_INT:
2673 *param = local->beacon_int;
2674 break;
2675
2676 case PRISM2_PARAM_PSEUDO_IBSS:
2677 *param = local->pseudo_adhoc;
2678 break;
2679
2680 case PRISM2_PARAM_ALC:
2681 ret = -EOPNOTSUPP; /* FIX */
2682 break;
2683
2684 case PRISM2_PARAM_DUMP:
2685 *param = local->frame_dump;
2686 break;
2687
2688 case PRISM2_PARAM_OTHER_AP_POLICY:
2689 if (local->ap != NULL)
2690 *param = local->ap->ap_policy;
2691 else
2692 ret = -EOPNOTSUPP;
2693 break;
2694
2695 case PRISM2_PARAM_AP_MAX_INACTIVITY:
2696 if (local->ap != NULL)
2697 *param = local->ap->max_inactivity / HZ;
2698 else
2699 ret = -EOPNOTSUPP;
2700 break;
2701
2702 case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2703 if (local->ap != NULL)
2704 *param = local->ap->bridge_packets;
2705 else
2706 ret = -EOPNOTSUPP;
2707 break;
2708
2709 case PRISM2_PARAM_DTIM_PERIOD:
2710 *param = local->dtim_period;
2711 break;
2712
2713 case PRISM2_PARAM_AP_NULLFUNC_ACK:
2714 if (local->ap != NULL)
2715 *param = local->ap->nullfunc_ack;
2716 else
2717 ret = -EOPNOTSUPP;
2718 break;
2719
2720 case PRISM2_PARAM_MAX_WDS:
2721 *param = local->wds_max_connections;
2722 break;
2723
2724 case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2725 if (local->ap != NULL)
2726 *param = local->ap->autom_ap_wds;
2727 else
2728 ret = -EOPNOTSUPP;
2729 break;
2730
2731 case PRISM2_PARAM_AP_AUTH_ALGS:
2732 *param = local->auth_algs;
2733 break;
2734
2735 case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2736 *param = local->monitor_allow_fcserr;
2737 break;
2738
2739 case PRISM2_PARAM_HOST_ENCRYPT:
2740 *param = local->host_encrypt;
2741 break;
2742
2743 case PRISM2_PARAM_HOST_DECRYPT:
2744 *param = local->host_decrypt;
2745 break;
2746
2747 case PRISM2_PARAM_HOST_ROAMING:
2748 *param = local->host_roaming;
2749 break;
2750
2751 case PRISM2_PARAM_BCRX_STA_KEY:
2752 *param = local->bcrx_sta_key;
2753 break;
2754
2755 case PRISM2_PARAM_IEEE_802_1X:
2756 *param = local->ieee_802_1x;
2757 break;
2758
2759 case PRISM2_PARAM_ANTSEL_TX:
2760 *param = local->antsel_tx;
2761 break;
2762
2763 case PRISM2_PARAM_ANTSEL_RX:
2764 *param = local->antsel_rx;
2765 break;
2766
2767 case PRISM2_PARAM_MONITOR_TYPE:
2768 *param = local->monitor_type;
2769 break;
2770
2771 case PRISM2_PARAM_WDS_TYPE:
2772 *param = local->wds_type;
2773 break;
2774
2775 case PRISM2_PARAM_HOSTSCAN:
2776 ret = -EOPNOTSUPP;
2777 break;
2778
2779 case PRISM2_PARAM_AP_SCAN:
2780 *param = local->passive_scan_interval;
2781 break;
2782
2783 case PRISM2_PARAM_ENH_SEC:
2784 *param = local->enh_sec;
2785 break;
2786
2787 #ifdef PRISM2_IO_DEBUG
2788 case PRISM2_PARAM_IO_DEBUG:
2789 *param = local->io_debug_enabled;
2790 break;
2791 #endif /* PRISM2_IO_DEBUG */
2792
2793 case PRISM2_PARAM_BASIC_RATES:
2794 *param = local->basic_rates;
2795 break;
2796
2797 case PRISM2_PARAM_OPER_RATES:
2798 *param = local->tx_rate_control;
2799 break;
2800
2801 case PRISM2_PARAM_HOSTAPD:
2802 *param = local->hostapd;
2803 break;
2804
2805 case PRISM2_PARAM_HOSTAPD_STA:
2806 *param = local->hostapd_sta;
2807 break;
2808
2809 case PRISM2_PARAM_WPA:
2810 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2811 ret = -EOPNOTSUPP;
2812 *param = local->wpa;
2813 break;
2814
2815 case PRISM2_PARAM_PRIVACY_INVOKED:
2816 *param = local->privacy_invoked;
2817 break;
2818
2819 case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2820 *param = local->tkip_countermeasures;
2821 break;
2822
2823 case PRISM2_PARAM_DROP_UNENCRYPTED:
2824 *param = local->drop_unencrypted;
2825 break;
2826
2827 case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2828 *param = local->scan_channel_mask;
2829 break;
2830
2831 default:
2832 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2833 dev->name, *param);
2834 ret = -EOPNOTSUPP;
2835 break;
2836 }
2837
2838 return ret;
2839 }
2840
2841
prism2_ioctl_priv_readmif(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2842 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2843 struct iw_request_info *info,
2844 void *wrqu, char *extra)
2845 {
2846 struct hostap_interface *iface;
2847 local_info_t *local;
2848 u16 resp0;
2849
2850 iface = netdev_priv(dev);
2851 local = iface->local;
2852
2853 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2854 &resp0))
2855 return -EOPNOTSUPP;
2856 else
2857 *extra = resp0;
2858
2859 return 0;
2860 }
2861
2862
prism2_ioctl_priv_writemif(struct net_device * dev,struct iw_request_info * info,void * wrqu,char * extra)2863 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2864 struct iw_request_info *info,
2865 void *wrqu, char *extra)
2866 {
2867 struct hostap_interface *iface;
2868 local_info_t *local;
2869 u16 cr, val;
2870
2871 iface = netdev_priv(dev);
2872 local = iface->local;
2873
2874 cr = *extra;
2875 val = *(extra + 1);
2876 if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2877 return -EOPNOTSUPP;
2878
2879 return 0;
2880 }
2881
2882
prism2_ioctl_priv_monitor(struct net_device * dev,int * i)2883 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2884 {
2885 struct hostap_interface *iface;
2886 local_info_t *local;
2887 int ret = 0;
2888 u32 mode;
2889
2890 iface = netdev_priv(dev);
2891 local = iface->local;
2892
2893 printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2894 "- update software to use iwconfig mode monitor\n",
2895 dev->name, task_pid_nr(current), current->comm);
2896
2897 /* Backward compatibility code - this can be removed at some point */
2898
2899 if (*i == 0) {
2900 /* Disable monitor mode - old mode was not saved, so go to
2901 * Master mode */
2902 mode = IW_MODE_MASTER;
2903 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2904 } else if (*i == 1) {
2905 /* netlink socket mode is not supported anymore since it did
2906 * not separate different devices from each other and was not
2907 * best method for delivering large amount of packets to
2908 * user space */
2909 ret = -EOPNOTSUPP;
2910 } else if (*i == 2 || *i == 3) {
2911 switch (*i) {
2912 case 2:
2913 local->monitor_type = PRISM2_MONITOR_80211;
2914 break;
2915 case 3:
2916 local->monitor_type = PRISM2_MONITOR_PRISM;
2917 break;
2918 }
2919 mode = IW_MODE_MONITOR;
2920 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2921 hostap_monitor_mode_enable(local);
2922 } else
2923 ret = -EINVAL;
2924
2925 return ret;
2926 }
2927
2928
prism2_ioctl_priv_reset(struct net_device * dev,int * i)2929 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2930 {
2931 struct hostap_interface *iface;
2932 local_info_t *local;
2933
2934 iface = netdev_priv(dev);
2935 local = iface->local;
2936
2937 printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2938 switch (*i) {
2939 case 0:
2940 /* Disable and enable card */
2941 local->func->hw_shutdown(dev, 1);
2942 local->func->hw_config(dev, 0);
2943 break;
2944
2945 case 1:
2946 /* COR sreset */
2947 local->func->hw_reset(dev);
2948 break;
2949
2950 case 2:
2951 /* Disable and enable port 0 */
2952 local->func->reset_port(dev);
2953 break;
2954
2955 case 3:
2956 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2957 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2958 NULL))
2959 return -EINVAL;
2960 break;
2961
2962 case 4:
2963 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2964 NULL))
2965 return -EINVAL;
2966 break;
2967
2968 default:
2969 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2970 return -EOPNOTSUPP;
2971 }
2972
2973 return 0;
2974 }
2975
2976
prism2_ioctl_priv_set_rid_word(struct net_device * dev,int * i)2977 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2978 {
2979 int rid = *i;
2980 int value = *(i + 1);
2981
2982 printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2983
2984 if (hostap_set_word(dev, rid, value))
2985 return -EINVAL;
2986
2987 return 0;
2988 }
2989
2990
2991 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
ap_mac_cmd_ioctl(local_info_t * local,int * cmd)2992 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
2993 {
2994 int ret = 0;
2995
2996 switch (*cmd) {
2997 case AP_MAC_CMD_POLICY_OPEN:
2998 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
2999 break;
3000 case AP_MAC_CMD_POLICY_ALLOW:
3001 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3002 break;
3003 case AP_MAC_CMD_POLICY_DENY:
3004 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3005 break;
3006 case AP_MAC_CMD_FLUSH:
3007 ap_control_flush_macs(&local->ap->mac_restrictions);
3008 break;
3009 case AP_MAC_CMD_KICKALL:
3010 ap_control_kickall(local->ap);
3011 hostap_deauth_all_stas(local->dev, local->ap, 0);
3012 break;
3013 default:
3014 ret = -EOPNOTSUPP;
3015 break;
3016 }
3017
3018 return ret;
3019 }
3020 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3021
3022
3023 #ifdef PRISM2_DOWNLOAD_SUPPORT
prism2_ioctl_priv_download(local_info_t * local,struct iw_point * p)3024 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3025 {
3026 struct prism2_download_param *param;
3027 int ret = 0;
3028
3029 if (p->length < sizeof(struct prism2_download_param) ||
3030 p->length > 1024 || !p->pointer)
3031 return -EINVAL;
3032
3033 param = memdup_user(p->pointer, p->length);
3034 if (IS_ERR(param)) {
3035 return PTR_ERR(param);
3036 }
3037
3038 if (p->length < sizeof(struct prism2_download_param) +
3039 param->num_areas * sizeof(struct prism2_download_area)) {
3040 ret = -EINVAL;
3041 goto out;
3042 }
3043
3044 ret = local->func->download(local, param);
3045
3046 out:
3047 kfree(param);
3048 return ret;
3049 }
3050 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3051
3052
prism2_set_genericelement(struct net_device * dev,u8 * elem,size_t len)3053 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3054 size_t len)
3055 {
3056 struct hostap_interface *iface = netdev_priv(dev);
3057 local_info_t *local = iface->local;
3058 u8 *buf;
3059
3060 /*
3061 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3062 * includes it.
3063 */
3064 buf = kmalloc(len + 2, GFP_KERNEL);
3065 if (buf == NULL)
3066 return -ENOMEM;
3067
3068 *((__le16 *) buf) = cpu_to_le16(len);
3069 memcpy(buf + 2, elem, len);
3070
3071 kfree(local->generic_elem);
3072 local->generic_elem = buf;
3073 local->generic_elem_len = len + 2;
3074
3075 return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3076 buf, len + 2);
3077 }
3078
3079
prism2_ioctl_siwauth(struct net_device * dev,struct iw_request_info * info,struct iw_param * data,char * extra)3080 static int prism2_ioctl_siwauth(struct net_device *dev,
3081 struct iw_request_info *info,
3082 struct iw_param *data, char *extra)
3083 {
3084 struct hostap_interface *iface = netdev_priv(dev);
3085 local_info_t *local = iface->local;
3086
3087 switch (data->flags & IW_AUTH_INDEX) {
3088 case IW_AUTH_WPA_VERSION:
3089 case IW_AUTH_CIPHER_PAIRWISE:
3090 case IW_AUTH_CIPHER_GROUP:
3091 case IW_AUTH_KEY_MGMT:
3092 /*
3093 * Host AP driver does not use these parameters and allows
3094 * wpa_supplicant to control them internally.
3095 */
3096 break;
3097 case IW_AUTH_TKIP_COUNTERMEASURES:
3098 local->tkip_countermeasures = data->value;
3099 break;
3100 case IW_AUTH_DROP_UNENCRYPTED:
3101 local->drop_unencrypted = data->value;
3102 break;
3103 case IW_AUTH_80211_AUTH_ALG:
3104 local->auth_algs = data->value;
3105 break;
3106 case IW_AUTH_WPA_ENABLED:
3107 if (data->value == 0) {
3108 local->wpa = 0;
3109 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3110 break;
3111 prism2_set_genericelement(dev, "", 0);
3112 local->host_roaming = 0;
3113 local->privacy_invoked = 0;
3114 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3115 0) ||
3116 hostap_set_roaming(local) ||
3117 hostap_set_encryption(local) ||
3118 local->func->reset_port(dev))
3119 return -EINVAL;
3120 break;
3121 }
3122 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3123 return -EOPNOTSUPP;
3124 local->host_roaming = 2;
3125 local->privacy_invoked = 1;
3126 local->wpa = 1;
3127 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3128 hostap_set_roaming(local) ||
3129 hostap_set_encryption(local) ||
3130 local->func->reset_port(dev))
3131 return -EINVAL;
3132 break;
3133 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3134 local->ieee_802_1x = data->value;
3135 break;
3136 case IW_AUTH_PRIVACY_INVOKED:
3137 local->privacy_invoked = data->value;
3138 break;
3139 default:
3140 return -EOPNOTSUPP;
3141 }
3142 return 0;
3143 }
3144
3145
prism2_ioctl_giwauth(struct net_device * dev,struct iw_request_info * info,struct iw_param * data,char * extra)3146 static int prism2_ioctl_giwauth(struct net_device *dev,
3147 struct iw_request_info *info,
3148 struct iw_param *data, char *extra)
3149 {
3150 struct hostap_interface *iface = netdev_priv(dev);
3151 local_info_t *local = iface->local;
3152
3153 switch (data->flags & IW_AUTH_INDEX) {
3154 case IW_AUTH_WPA_VERSION:
3155 case IW_AUTH_CIPHER_PAIRWISE:
3156 case IW_AUTH_CIPHER_GROUP:
3157 case IW_AUTH_KEY_MGMT:
3158 /*
3159 * Host AP driver does not use these parameters and allows
3160 * wpa_supplicant to control them internally.
3161 */
3162 return -EOPNOTSUPP;
3163 case IW_AUTH_TKIP_COUNTERMEASURES:
3164 data->value = local->tkip_countermeasures;
3165 break;
3166 case IW_AUTH_DROP_UNENCRYPTED:
3167 data->value = local->drop_unencrypted;
3168 break;
3169 case IW_AUTH_80211_AUTH_ALG:
3170 data->value = local->auth_algs;
3171 break;
3172 case IW_AUTH_WPA_ENABLED:
3173 data->value = local->wpa;
3174 break;
3175 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3176 data->value = local->ieee_802_1x;
3177 break;
3178 default:
3179 return -EOPNOTSUPP;
3180 }
3181 return 0;
3182 }
3183
3184
prism2_ioctl_siwencodeext(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * extra)3185 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3186 struct iw_request_info *info,
3187 struct iw_point *erq, char *extra)
3188 {
3189 struct hostap_interface *iface = netdev_priv(dev);
3190 local_info_t *local = iface->local;
3191 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3192 int i, ret = 0;
3193 struct lib80211_crypto_ops *ops;
3194 struct lib80211_crypt_data **crypt;
3195 void *sta_ptr;
3196 u8 *addr;
3197 const char *alg, *module;
3198
3199 i = erq->flags & IW_ENCODE_INDEX;
3200 if (i > WEP_KEYS)
3201 return -EINVAL;
3202 if (i < 1 || i > WEP_KEYS)
3203 i = local->crypt_info.tx_keyidx;
3204 else
3205 i--;
3206 if (i < 0 || i >= WEP_KEYS)
3207 return -EINVAL;
3208
3209 addr = ext->addr.sa_data;
3210 if (is_broadcast_ether_addr(addr)) {
3211 sta_ptr = NULL;
3212 crypt = &local->crypt_info.crypt[i];
3213 } else {
3214 if (i != 0)
3215 return -EINVAL;
3216 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3217 if (sta_ptr == NULL) {
3218 if (local->iw_mode == IW_MODE_INFRA) {
3219 /*
3220 * TODO: add STA entry for the current AP so
3221 * that unicast key can be used. For now, this
3222 * is emulated by using default key idx 0.
3223 */
3224 i = 0;
3225 crypt = &local->crypt_info.crypt[i];
3226 } else
3227 return -EINVAL;
3228 }
3229 }
3230
3231 if ((erq->flags & IW_ENCODE_DISABLED) ||
3232 ext->alg == IW_ENCODE_ALG_NONE) {
3233 if (*crypt)
3234 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3235 goto done;
3236 }
3237
3238 switch (ext->alg) {
3239 case IW_ENCODE_ALG_WEP:
3240 alg = "WEP";
3241 module = "lib80211_crypt_wep";
3242 break;
3243 case IW_ENCODE_ALG_TKIP:
3244 alg = "TKIP";
3245 module = "lib80211_crypt_tkip";
3246 break;
3247 case IW_ENCODE_ALG_CCMP:
3248 alg = "CCMP";
3249 module = "lib80211_crypt_ccmp";
3250 break;
3251 default:
3252 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3253 local->dev->name, ext->alg);
3254 ret = -EOPNOTSUPP;
3255 goto done;
3256 }
3257
3258 ops = lib80211_get_crypto_ops(alg);
3259 if (ops == NULL) {
3260 request_module(module);
3261 ops = lib80211_get_crypto_ops(alg);
3262 }
3263 if (ops == NULL) {
3264 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3265 local->dev->name, alg);
3266 ret = -EOPNOTSUPP;
3267 goto done;
3268 }
3269
3270 if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3271 /*
3272 * Per station encryption and other than WEP algorithms
3273 * require host-based encryption, so force them on
3274 * automatically.
3275 */
3276 local->host_decrypt = local->host_encrypt = 1;
3277 }
3278
3279 if (*crypt == NULL || (*crypt)->ops != ops) {
3280 struct lib80211_crypt_data *new_crypt;
3281
3282 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3283
3284 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3285 GFP_KERNEL);
3286 if (new_crypt == NULL) {
3287 ret = -ENOMEM;
3288 goto done;
3289 }
3290 new_crypt->ops = ops;
3291 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3292 new_crypt->priv = new_crypt->ops->init(i);
3293 if (new_crypt->priv == NULL) {
3294 kfree(new_crypt);
3295 ret = -EINVAL;
3296 goto done;
3297 }
3298
3299 *crypt = new_crypt;
3300 }
3301
3302 /*
3303 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3304 * existing seq# should not be changed.
3305 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3306 * should be changed to something else than zero.
3307 */
3308 if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3309 && (*crypt)->ops->set_key &&
3310 (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3311 (*crypt)->priv) < 0) {
3312 printk(KERN_DEBUG "%s: key setting failed\n",
3313 local->dev->name);
3314 ret = -EINVAL;
3315 goto done;
3316 }
3317
3318 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3319 if (!sta_ptr)
3320 local->crypt_info.tx_keyidx = i;
3321 }
3322
3323
3324 if (sta_ptr == NULL && ext->key_len > 0) {
3325 int first = 1, j;
3326 for (j = 0; j < WEP_KEYS; j++) {
3327 if (j != i && local->crypt_info.crypt[j]) {
3328 first = 0;
3329 break;
3330 }
3331 }
3332 if (first)
3333 local->crypt_info.tx_keyidx = i;
3334 }
3335
3336 done:
3337 if (sta_ptr)
3338 hostap_handle_sta_release(sta_ptr);
3339
3340 local->open_wep = erq->flags & IW_ENCODE_OPEN;
3341
3342 /*
3343 * Do not reset port0 if card is in Managed mode since resetting will
3344 * generate new IEEE 802.11 authentication which may end up in looping
3345 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3346 * after WEP configuration. However, keys are apparently changed at
3347 * least in Managed mode.
3348 */
3349 if (ret == 0 &&
3350 (hostap_set_encryption(local) ||
3351 (local->iw_mode != IW_MODE_INFRA &&
3352 local->func->reset_port(local->dev))))
3353 ret = -EINVAL;
3354
3355 return ret;
3356 }
3357
3358
prism2_ioctl_giwencodeext(struct net_device * dev,struct iw_request_info * info,struct iw_point * erq,char * extra)3359 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3360 struct iw_request_info *info,
3361 struct iw_point *erq, char *extra)
3362 {
3363 struct hostap_interface *iface = netdev_priv(dev);
3364 local_info_t *local = iface->local;
3365 struct lib80211_crypt_data **crypt;
3366 void *sta_ptr;
3367 int max_key_len, i;
3368 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3369 u8 *addr;
3370
3371 max_key_len = erq->length - sizeof(*ext);
3372 if (max_key_len < 0)
3373 return -EINVAL;
3374
3375 i = erq->flags & IW_ENCODE_INDEX;
3376 if (i < 1 || i > WEP_KEYS)
3377 i = local->crypt_info.tx_keyidx;
3378 else
3379 i--;
3380
3381 addr = ext->addr.sa_data;
3382 if (is_broadcast_ether_addr(addr)) {
3383 sta_ptr = NULL;
3384 crypt = &local->crypt_info.crypt[i];
3385 } else {
3386 i = 0;
3387 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3388 if (sta_ptr == NULL)
3389 return -EINVAL;
3390 }
3391 erq->flags = i + 1;
3392 memset(ext, 0, sizeof(*ext));
3393
3394 if (*crypt == NULL || (*crypt)->ops == NULL) {
3395 ext->alg = IW_ENCODE_ALG_NONE;
3396 ext->key_len = 0;
3397 erq->flags |= IW_ENCODE_DISABLED;
3398 } else {
3399 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3400 ext->alg = IW_ENCODE_ALG_WEP;
3401 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3402 ext->alg = IW_ENCODE_ALG_TKIP;
3403 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3404 ext->alg = IW_ENCODE_ALG_CCMP;
3405 else
3406 return -EINVAL;
3407
3408 if ((*crypt)->ops->get_key) {
3409 ext->key_len =
3410 (*crypt)->ops->get_key(ext->key,
3411 max_key_len,
3412 ext->tx_seq,
3413 (*crypt)->priv);
3414 if (ext->key_len &&
3415 (ext->alg == IW_ENCODE_ALG_TKIP ||
3416 ext->alg == IW_ENCODE_ALG_CCMP))
3417 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3418 }
3419 }
3420
3421 if (sta_ptr)
3422 hostap_handle_sta_release(sta_ptr);
3423
3424 return 0;
3425 }
3426
3427
prism2_ioctl_set_encryption(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3428 static int prism2_ioctl_set_encryption(local_info_t *local,
3429 struct prism2_hostapd_param *param,
3430 int param_len)
3431 {
3432 int ret = 0;
3433 struct lib80211_crypto_ops *ops;
3434 struct lib80211_crypt_data **crypt;
3435 void *sta_ptr;
3436
3437 param->u.crypt.err = 0;
3438 param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3439
3440 if (param_len !=
3441 (int) ((char *) param->u.crypt.key - (char *) param) +
3442 param->u.crypt.key_len)
3443 return -EINVAL;
3444
3445 if (is_broadcast_ether_addr(param->sta_addr)) {
3446 if (param->u.crypt.idx >= WEP_KEYS)
3447 return -EINVAL;
3448 sta_ptr = NULL;
3449 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3450 } else {
3451 if (param->u.crypt.idx)
3452 return -EINVAL;
3453 sta_ptr = ap_crypt_get_ptrs(
3454 local->ap, param->sta_addr,
3455 (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3456 &crypt);
3457
3458 if (sta_ptr == NULL) {
3459 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3460 return -EINVAL;
3461 }
3462 }
3463
3464 if (strcmp(param->u.crypt.alg, "none") == 0) {
3465 if (crypt)
3466 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3467 goto done;
3468 }
3469
3470 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3471 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3472 request_module("lib80211_crypt_wep");
3473 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3474 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3475 request_module("lib80211_crypt_tkip");
3476 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3477 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3478 request_module("lib80211_crypt_ccmp");
3479 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3480 }
3481 if (ops == NULL) {
3482 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3483 local->dev->name, param->u.crypt.alg);
3484 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3485 ret = -EINVAL;
3486 goto done;
3487 }
3488
3489 /* station based encryption and other than WEP algorithms require
3490 * host-based encryption, so force them on automatically */
3491 local->host_decrypt = local->host_encrypt = 1;
3492
3493 if (*crypt == NULL || (*crypt)->ops != ops) {
3494 struct lib80211_crypt_data *new_crypt;
3495
3496 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3497
3498 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3499 GFP_KERNEL);
3500 if (new_crypt == NULL) {
3501 ret = -ENOMEM;
3502 goto done;
3503 }
3504 new_crypt->ops = ops;
3505 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3506 if (new_crypt->priv == NULL) {
3507 kfree(new_crypt);
3508 param->u.crypt.err =
3509 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3510 ret = -EINVAL;
3511 goto done;
3512 }
3513
3514 *crypt = new_crypt;
3515 }
3516
3517 if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3518 param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3519 (*crypt)->ops->set_key(param->u.crypt.key,
3520 param->u.crypt.key_len, param->u.crypt.seq,
3521 (*crypt)->priv) < 0) {
3522 printk(KERN_DEBUG "%s: key setting failed\n",
3523 local->dev->name);
3524 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3525 ret = -EINVAL;
3526 goto done;
3527 }
3528
3529 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3530 if (!sta_ptr)
3531 local->crypt_info.tx_keyidx = param->u.crypt.idx;
3532 else if (param->u.crypt.idx) {
3533 printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3534 local->dev->name);
3535 param->u.crypt.err =
3536 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3537 ret = -EINVAL;
3538 goto done;
3539 }
3540 }
3541
3542 done:
3543 if (sta_ptr)
3544 hostap_handle_sta_release(sta_ptr);
3545
3546 /* Do not reset port0 if card is in Managed mode since resetting will
3547 * generate new IEEE 802.11 authentication which may end up in looping
3548 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3549 * after WEP configuration. However, keys are apparently changed at
3550 * least in Managed mode. */
3551 if (ret == 0 &&
3552 (hostap_set_encryption(local) ||
3553 (local->iw_mode != IW_MODE_INFRA &&
3554 local->func->reset_port(local->dev)))) {
3555 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3556 return -EINVAL;
3557 }
3558
3559 return ret;
3560 }
3561
3562
prism2_ioctl_get_encryption(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3563 static int prism2_ioctl_get_encryption(local_info_t *local,
3564 struct prism2_hostapd_param *param,
3565 int param_len)
3566 {
3567 struct lib80211_crypt_data **crypt;
3568 void *sta_ptr;
3569 int max_key_len;
3570
3571 param->u.crypt.err = 0;
3572
3573 max_key_len = param_len -
3574 (int) ((char *) param->u.crypt.key - (char *) param);
3575 if (max_key_len < 0)
3576 return -EINVAL;
3577
3578 if (is_broadcast_ether_addr(param->sta_addr)) {
3579 sta_ptr = NULL;
3580 if (param->u.crypt.idx >= WEP_KEYS)
3581 param->u.crypt.idx = local->crypt_info.tx_keyidx;
3582 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3583 } else {
3584 param->u.crypt.idx = 0;
3585 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3586 &crypt);
3587
3588 if (sta_ptr == NULL) {
3589 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3590 return -EINVAL;
3591 }
3592 }
3593
3594 if (*crypt == NULL || (*crypt)->ops == NULL) {
3595 memcpy(param->u.crypt.alg, "none", 5);
3596 param->u.crypt.key_len = 0;
3597 param->u.crypt.idx = 0xff;
3598 } else {
3599 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3600 HOSTAP_CRYPT_ALG_NAME_LEN);
3601 param->u.crypt.key_len = 0;
3602
3603 memset(param->u.crypt.seq, 0, 8);
3604 if ((*crypt)->ops->get_key) {
3605 param->u.crypt.key_len =
3606 (*crypt)->ops->get_key(param->u.crypt.key,
3607 max_key_len,
3608 param->u.crypt.seq,
3609 (*crypt)->priv);
3610 }
3611 }
3612
3613 if (sta_ptr)
3614 hostap_handle_sta_release(sta_ptr);
3615
3616 return 0;
3617 }
3618
3619
prism2_ioctl_get_rid(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3620 static int prism2_ioctl_get_rid(local_info_t *local,
3621 struct prism2_hostapd_param *param,
3622 int param_len)
3623 {
3624 int max_len, res;
3625
3626 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3627 if (max_len < 0)
3628 return -EINVAL;
3629
3630 res = local->func->get_rid(local->dev, param->u.rid.rid,
3631 param->u.rid.data, param->u.rid.len, 0);
3632 if (res >= 0) {
3633 param->u.rid.len = res;
3634 return 0;
3635 }
3636
3637 return res;
3638 }
3639
3640
prism2_ioctl_set_rid(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3641 static int prism2_ioctl_set_rid(local_info_t *local,
3642 struct prism2_hostapd_param *param,
3643 int param_len)
3644 {
3645 int max_len;
3646
3647 max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3648 if (max_len < 0 || max_len < param->u.rid.len)
3649 return -EINVAL;
3650
3651 return local->func->set_rid(local->dev, param->u.rid.rid,
3652 param->u.rid.data, param->u.rid.len);
3653 }
3654
3655
prism2_ioctl_set_assoc_ap_addr(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3656 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3657 struct prism2_hostapd_param *param,
3658 int param_len)
3659 {
3660 printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3661 local->dev->name, param->sta_addr);
3662 memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3663 return 0;
3664 }
3665
3666
prism2_ioctl_siwgenie(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3667 static int prism2_ioctl_siwgenie(struct net_device *dev,
3668 struct iw_request_info *info,
3669 struct iw_point *data, char *extra)
3670 {
3671 return prism2_set_genericelement(dev, extra, data->length);
3672 }
3673
3674
prism2_ioctl_giwgenie(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3675 static int prism2_ioctl_giwgenie(struct net_device *dev,
3676 struct iw_request_info *info,
3677 struct iw_point *data, char *extra)
3678 {
3679 struct hostap_interface *iface = netdev_priv(dev);
3680 local_info_t *local = iface->local;
3681 int len = local->generic_elem_len - 2;
3682
3683 if (len <= 0 || local->generic_elem == NULL) {
3684 data->length = 0;
3685 return 0;
3686 }
3687
3688 if (data->length < len)
3689 return -E2BIG;
3690
3691 data->length = len;
3692 memcpy(extra, local->generic_elem + 2, len);
3693
3694 return 0;
3695 }
3696
3697
prism2_ioctl_set_generic_element(local_info_t * local,struct prism2_hostapd_param * param,int param_len)3698 static int prism2_ioctl_set_generic_element(local_info_t *local,
3699 struct prism2_hostapd_param *param,
3700 int param_len)
3701 {
3702 int max_len, len;
3703
3704 len = param->u.generic_elem.len;
3705 max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3706 if (max_len < 0 || max_len < len)
3707 return -EINVAL;
3708
3709 return prism2_set_genericelement(local->dev,
3710 param->u.generic_elem.data, len);
3711 }
3712
3713
prism2_ioctl_siwmlme(struct net_device * dev,struct iw_request_info * info,struct iw_point * data,char * extra)3714 static int prism2_ioctl_siwmlme(struct net_device *dev,
3715 struct iw_request_info *info,
3716 struct iw_point *data, char *extra)
3717 {
3718 struct hostap_interface *iface = netdev_priv(dev);
3719 local_info_t *local = iface->local;
3720 struct iw_mlme *mlme = (struct iw_mlme *) extra;
3721 __le16 reason;
3722
3723 reason = cpu_to_le16(mlme->reason_code);
3724
3725 switch (mlme->cmd) {
3726 case IW_MLME_DEAUTH:
3727 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3728 IEEE80211_STYPE_DEAUTH,
3729 (u8 *) &reason, 2);
3730 case IW_MLME_DISASSOC:
3731 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3732 IEEE80211_STYPE_DISASSOC,
3733 (u8 *) &reason, 2);
3734 default:
3735 return -EOPNOTSUPP;
3736 }
3737 }
3738
3739
prism2_ioctl_mlme(local_info_t * local,struct prism2_hostapd_param * param)3740 static int prism2_ioctl_mlme(local_info_t *local,
3741 struct prism2_hostapd_param *param)
3742 {
3743 __le16 reason;
3744
3745 reason = cpu_to_le16(param->u.mlme.reason_code);
3746 switch (param->u.mlme.cmd) {
3747 case MLME_STA_DEAUTH:
3748 return prism2_sta_send_mgmt(local, param->sta_addr,
3749 IEEE80211_STYPE_DEAUTH,
3750 (u8 *) &reason, 2);
3751 case MLME_STA_DISASSOC:
3752 return prism2_sta_send_mgmt(local, param->sta_addr,
3753 IEEE80211_STYPE_DISASSOC,
3754 (u8 *) &reason, 2);
3755 default:
3756 return -EOPNOTSUPP;
3757 }
3758 }
3759
3760
prism2_ioctl_scan_req(local_info_t * local,struct prism2_hostapd_param * param)3761 static int prism2_ioctl_scan_req(local_info_t *local,
3762 struct prism2_hostapd_param *param)
3763 {
3764 #ifndef PRISM2_NO_STATION_MODES
3765 if ((local->iw_mode != IW_MODE_INFRA &&
3766 local->iw_mode != IW_MODE_ADHOC) ||
3767 (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3768 return -EOPNOTSUPP;
3769
3770 if (!local->dev_enabled)
3771 return -ENETDOWN;
3772
3773 return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3774 param->u.scan_req.ssid_len);
3775 #else /* PRISM2_NO_STATION_MODES */
3776 return -EOPNOTSUPP;
3777 #endif /* PRISM2_NO_STATION_MODES */
3778 }
3779
3780
prism2_ioctl_priv_hostapd(local_info_t * local,struct iw_point * p)3781 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3782 {
3783 struct prism2_hostapd_param *param;
3784 int ret = 0;
3785 int ap_ioctl = 0;
3786
3787 if (p->length < sizeof(struct prism2_hostapd_param) ||
3788 p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3789 return -EINVAL;
3790
3791 param = memdup_user(p->pointer, p->length);
3792 if (IS_ERR(param)) {
3793 return PTR_ERR(param);
3794 }
3795
3796 switch (param->cmd) {
3797 case PRISM2_SET_ENCRYPTION:
3798 ret = prism2_ioctl_set_encryption(local, param, p->length);
3799 break;
3800 case PRISM2_GET_ENCRYPTION:
3801 ret = prism2_ioctl_get_encryption(local, param, p->length);
3802 break;
3803 case PRISM2_HOSTAPD_GET_RID:
3804 ret = prism2_ioctl_get_rid(local, param, p->length);
3805 break;
3806 case PRISM2_HOSTAPD_SET_RID:
3807 ret = prism2_ioctl_set_rid(local, param, p->length);
3808 break;
3809 case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3810 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3811 break;
3812 case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3813 ret = prism2_ioctl_set_generic_element(local, param,
3814 p->length);
3815 break;
3816 case PRISM2_HOSTAPD_MLME:
3817 ret = prism2_ioctl_mlme(local, param);
3818 break;
3819 case PRISM2_HOSTAPD_SCAN_REQ:
3820 ret = prism2_ioctl_scan_req(local, param);
3821 break;
3822 default:
3823 ret = prism2_hostapd(local->ap, param);
3824 ap_ioctl = 1;
3825 break;
3826 }
3827
3828 if (ret == 1 || !ap_ioctl) {
3829 if (copy_to_user(p->pointer, param, p->length)) {
3830 ret = -EFAULT;
3831 goto out;
3832 } else if (ap_ioctl)
3833 ret = 0;
3834 }
3835
3836 out:
3837 kfree(param);
3838 return ret;
3839 }
3840
3841
prism2_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)3842 static void prism2_get_drvinfo(struct net_device *dev,
3843 struct ethtool_drvinfo *info)
3844 {
3845 struct hostap_interface *iface;
3846 local_info_t *local;
3847
3848 iface = netdev_priv(dev);
3849 local = iface->local;
3850
3851 strscpy(info->driver, "hostap", sizeof(info->driver));
3852 snprintf(info->fw_version, sizeof(info->fw_version),
3853 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3854 (local->sta_fw_ver >> 8) & 0xff,
3855 local->sta_fw_ver & 0xff);
3856 }
3857
3858 const struct ethtool_ops prism2_ethtool_ops = {
3859 .get_drvinfo = prism2_get_drvinfo
3860 };
3861
3862
3863 /* Structures to export the Wireless Handlers */
3864
3865 static const iw_handler prism2_handler[] =
3866 {
3867 (iw_handler) NULL, /* SIOCSIWCOMMIT */
3868 (iw_handler) prism2_get_name, /* SIOCGIWNAME */
3869 (iw_handler) NULL, /* SIOCSIWNWID */
3870 (iw_handler) NULL, /* SIOCGIWNWID */
3871 (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
3872 (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
3873 (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
3874 (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
3875 (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
3876 (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
3877 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
3878 (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
3879 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
3880 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
3881 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
3882 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
3883 iw_handler_set_spy, /* SIOCSIWSPY */
3884 iw_handler_get_spy, /* SIOCGIWSPY */
3885 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
3886 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
3887 (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
3888 (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
3889 (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
3890 (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
3891 (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
3892 (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
3893 (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
3894 (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
3895 (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
3896 (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
3897 (iw_handler) NULL, /* -- hole -- */
3898 (iw_handler) NULL, /* -- hole -- */
3899 (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
3900 (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
3901 (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
3902 (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
3903 (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
3904 (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
3905 (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
3906 (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
3907 (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
3908 (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
3909 (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
3910 (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
3911 (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
3912 (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
3913 (iw_handler) NULL, /* -- hole -- */
3914 (iw_handler) NULL, /* -- hole -- */
3915 (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
3916 (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
3917 (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
3918 (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
3919 (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
3920 (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
3921 (iw_handler) NULL, /* SIOCSIWPMKSA */
3922 (iw_handler) NULL, /* -- hole -- */
3923 };
3924
3925 static const iw_handler prism2_private_handler[] =
3926 { /* SIOCIWFIRSTPRIV + */
3927 (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
3928 (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3929 (iw_handler) prism2_ioctl_priv_writemif, /* 2 */
3930 (iw_handler) prism2_ioctl_priv_readmif, /* 3 */
3931 };
3932
3933 const struct iw_handler_def hostap_iw_handler_def =
3934 {
3935 .num_standard = ARRAY_SIZE(prism2_handler),
3936 .num_private = ARRAY_SIZE(prism2_private_handler),
3937 .num_private_args = ARRAY_SIZE(prism2_priv),
3938 .standard = (iw_handler *) prism2_handler,
3939 .private = (iw_handler *) prism2_private_handler,
3940 .private_args = (struct iw_priv_args *) prism2_priv,
3941 .get_wireless_stats = hostap_get_wireless_stats,
3942 };
3943
3944 /* Private ioctls (iwpriv) that have not yet been converted
3945 * into new wireless extensions API */
hostap_ioctl(struct net_device * dev,struct ifreq * ifr,int cmd)3946 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3947 {
3948 struct iwreq *wrq = (struct iwreq *) ifr;
3949 struct hostap_interface *iface;
3950 local_info_t *local;
3951 int ret = 0;
3952
3953 iface = netdev_priv(dev);
3954 local = iface->local;
3955
3956 switch (cmd) {
3957 case PRISM2_IOCTL_INQUIRE:
3958 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3959 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3960 break;
3961
3962 case PRISM2_IOCTL_MONITOR:
3963 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3964 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3965 break;
3966
3967 case PRISM2_IOCTL_RESET:
3968 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3969 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3970 break;
3971
3972 case PRISM2_IOCTL_WDS_ADD:
3973 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3974 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3975 break;
3976
3977 case PRISM2_IOCTL_WDS_DEL:
3978 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3979 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
3980 break;
3981
3982 case PRISM2_IOCTL_SET_RID_WORD:
3983 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3984 else ret = prism2_ioctl_priv_set_rid_word(dev,
3985 (int *) wrq->u.name);
3986 break;
3987
3988 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3989 case PRISM2_IOCTL_MACCMD:
3990 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3991 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
3992 break;
3993
3994 case PRISM2_IOCTL_ADDMAC:
3995 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3996 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
3997 wrq->u.ap_addr.sa_data);
3998 break;
3999 case PRISM2_IOCTL_DELMAC:
4000 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4001 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4002 wrq->u.ap_addr.sa_data);
4003 break;
4004 case PRISM2_IOCTL_KICKMAC:
4005 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4006 else ret = ap_control_kick_mac(local->ap, local->dev,
4007 wrq->u.ap_addr.sa_data);
4008 break;
4009 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4010 default:
4011 ret = -EOPNOTSUPP;
4012 break;
4013 }
4014
4015 return ret;
4016 }
4017
4018 /* Private ioctls that are not used with iwpriv;
4019 * in SIOCDEVPRIVATE range */
hostap_siocdevprivate(struct net_device * dev,struct ifreq * ifr,void __user * data,int cmd)4020 int hostap_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
4021 void __user *data, int cmd)
4022 {
4023 struct iwreq *wrq = (struct iwreq *)ifr;
4024 struct hostap_interface *iface;
4025 local_info_t *local;
4026 int ret = 0;
4027
4028 iface = netdev_priv(dev);
4029 local = iface->local;
4030
4031 if (in_compat_syscall()) /* not implemented yet */
4032 return -EOPNOTSUPP;
4033
4034 switch (cmd) {
4035 #ifdef PRISM2_DOWNLOAD_SUPPORT
4036 case PRISM2_IOCTL_DOWNLOAD:
4037 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4038 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4039 break;
4040 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4041
4042 case PRISM2_IOCTL_HOSTAPD:
4043 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4044 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4045 break;
4046
4047 default:
4048 ret = -EOPNOTSUPP;
4049 break;
4050 }
4051
4052 return ret;
4053 }
4054