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staging: brcm80211: updated maintainers contact information
[zen-stable.git] / net / wireless / wext-compat.c
blob12222ee6ebf2f3a5e6a7c1f7782e4979a95b227e
1 /*
2 * cfg80211 - wext compat code
3 *
4 * This is temporary code until all wireless functionality is migrated
5 * into cfg80211, when that happens all the exports here go away and
6 * we directly assign the wireless handlers of wireless interfaces.
7 *
8 * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
9 */
10
11 #include <linux/wireless.h>
12 #include <linux/nl80211.h>
13 #include <linux/if_arp.h>
14 #include <linux/etherdevice.h>
15 #include <linux/slab.h>
16 #include <net/iw_handler.h>
17 #include <net/cfg80211.h>
18 #include "wext-compat.h"
19 #include "core.h"
20
21 int cfg80211_wext_giwname(struct net_device *dev,
22 struct iw_request_info *info,
23 char *name, char *extra)
24 {
25 struct wireless_dev *wdev = dev->ieee80211_ptr;
26 struct ieee80211_supported_band *sband;
27 bool is_ht = false, is_a = false, is_b = false, is_g = false;
28
29 if (!wdev)
30 return -EOPNOTSUPP;
31
32 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
33 if (sband) {
34 is_a = true;
35 is_ht |= sband->ht_cap.ht_supported;
36 }
37
38 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
39 if (sband) {
40 int i;
41 /* Check for mandatory rates */
42 for (i = 0; i < sband->n_bitrates; i++) {
43 if (sband->bitrates[i].bitrate == 10)
44 is_b = true;
45 if (sband->bitrates[i].bitrate == 60)
46 is_g = true;
47 }
48 is_ht |= sband->ht_cap.ht_supported;
49 }
50
51 strcpy(name, "IEEE 802.11");
52 if (is_a)
53 strcat(name, "a");
54 if (is_b)
55 strcat(name, "b");
56 if (is_g)
57 strcat(name, "g");
58 if (is_ht)
59 strcat(name, "n");
60
61 return 0;
62 }
63 EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
64
65 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
66 u32 *mode, char *extra)
67 {
68 struct wireless_dev *wdev = dev->ieee80211_ptr;
69 struct cfg80211_registered_device *rdev;
70 struct vif_params vifparams;
71 enum nl80211_iftype type;
72 int ret;
73
74 rdev = wiphy_to_dev(wdev->wiphy);
75
76 switch (*mode) {
77 case IW_MODE_INFRA:
78 type = NL80211_IFTYPE_STATION;
79 break;
80 case IW_MODE_ADHOC:
81 type = NL80211_IFTYPE_ADHOC;
82 break;
83 case IW_MODE_REPEAT:
84 type = NL80211_IFTYPE_WDS;
85 break;
86 case IW_MODE_MONITOR:
87 type = NL80211_IFTYPE_MONITOR;
88 break;
89 default:
90 return -EINVAL;
91 }
92
93 if (type == wdev->iftype)
94 return 0;
95
96 memset(&vifparams, 0, sizeof(vifparams));
97
98 cfg80211_lock_rdev(rdev);
99 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
100 cfg80211_unlock_rdev(rdev);
101
102 return ret;
103 }
104 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
105
106 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
107 u32 *mode, char *extra)
108 {
109 struct wireless_dev *wdev = dev->ieee80211_ptr;
110
111 if (!wdev)
112 return -EOPNOTSUPP;
113
114 switch (wdev->iftype) {
115 case NL80211_IFTYPE_AP:
116 *mode = IW_MODE_MASTER;
117 break;
118 case NL80211_IFTYPE_STATION:
119 *mode = IW_MODE_INFRA;
120 break;
121 case NL80211_IFTYPE_ADHOC:
122 *mode = IW_MODE_ADHOC;
123 break;
124 case NL80211_IFTYPE_MONITOR:
125 *mode = IW_MODE_MONITOR;
126 break;
127 case NL80211_IFTYPE_WDS:
128 *mode = IW_MODE_REPEAT;
129 break;
130 case NL80211_IFTYPE_AP_VLAN:
131 *mode = IW_MODE_SECOND; /* FIXME */
132 break;
133 default:
134 *mode = IW_MODE_AUTO;
135 break;
136 }
137 return 0;
138 }
139 EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
140
141
142 int cfg80211_wext_giwrange(struct net_device *dev,
143 struct iw_request_info *info,
144 struct iw_point *data, char *extra)
145 {
146 struct wireless_dev *wdev = dev->ieee80211_ptr;
147 struct iw_range *range = (struct iw_range *) extra;
148 enum ieee80211_band band;
149 int i, c = 0;
150
151 if (!wdev)
152 return -EOPNOTSUPP;
153
154 data->length = sizeof(struct iw_range);
155 memset(range, 0, sizeof(struct iw_range));
156
157 range->we_version_compiled = WIRELESS_EXT;
158 range->we_version_source = 21;
159 range->retry_capa = IW_RETRY_LIMIT;
160 range->retry_flags = IW_RETRY_LIMIT;
161 range->min_retry = 0;
162 range->max_retry = 255;
163 range->min_rts = 0;
164 range->max_rts = 2347;
165 range->min_frag = 256;
166 range->max_frag = 2346;
167
168 range->max_encoding_tokens = 4;
169
170 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
171
172 switch (wdev->wiphy->signal_type) {
173 case CFG80211_SIGNAL_TYPE_NONE:
174 break;
175 case CFG80211_SIGNAL_TYPE_MBM:
176 range->max_qual.level = -110;
177 range->max_qual.qual = 70;
178 range->avg_qual.qual = 35;
179 range->max_qual.updated |= IW_QUAL_DBM;
180 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
181 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
182 break;
183 case CFG80211_SIGNAL_TYPE_UNSPEC:
184 range->max_qual.level = 100;
185 range->max_qual.qual = 100;
186 range->avg_qual.qual = 50;
187 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
188 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
189 break;
190 }
191
192 range->avg_qual.level = range->max_qual.level / 2;
193 range->avg_qual.noise = range->max_qual.noise / 2;
194 range->avg_qual.updated = range->max_qual.updated;
195
196 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
197 switch (wdev->wiphy->cipher_suites[i]) {
198 case WLAN_CIPHER_SUITE_TKIP:
199 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
200 IW_ENC_CAPA_WPA);
201 break;
202
203 case WLAN_CIPHER_SUITE_CCMP:
204 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
205 IW_ENC_CAPA_WPA2);
206 break;
207
208 case WLAN_CIPHER_SUITE_WEP40:
209 range->encoding_size[range->num_encoding_sizes++] =
210 WLAN_KEY_LEN_WEP40;
211 break;
212
213 case WLAN_CIPHER_SUITE_WEP104:
214 range->encoding_size[range->num_encoding_sizes++] =
215 WLAN_KEY_LEN_WEP104;
216 break;
217 }
218 }
219
220 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
221 struct ieee80211_supported_band *sband;
222
223 sband = wdev->wiphy->bands[band];
224
225 if (!sband)
226 continue;
227
228 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
229 struct ieee80211_channel *chan = &sband->channels[i];
230
231 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
232 range->freq[c].i =
233 ieee80211_frequency_to_channel(
234 chan->center_freq);
235 range->freq[c].m = chan->center_freq;
236 range->freq[c].e = 6;
237 c++;
238 }
239 }
240 }
241 range->num_channels = c;
242 range->num_frequency = c;
243
244 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
245 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
246 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
247
248 if (wdev->wiphy->max_scan_ssids > 0)
249 range->scan_capa |= IW_SCAN_CAPA_ESSID;
250
251 return 0;
252 }
253 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
254
255
256 /**
257 * cfg80211_wext_freq - get wext frequency for non-"auto"
258 * @wiphy: the wiphy
259 * @freq: the wext freq encoding
260 *
261 * Returns a frequency, or a negative error code, or 0 for auto.
262 */
263 int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
264 {
265 /*
266 * Parse frequency - return 0 for auto and
267 * -EINVAL for impossible things.
268 */
269 if (freq->e == 0) {
270 if (freq->m < 0)
271 return 0;
272 return ieee80211_channel_to_frequency(freq->m);
273 } else {
274 int i, div = 1000000;
275 for (i = 0; i < freq->e; i++)
276 div /= 10;
277 if (div <= 0)
278 return -EINVAL;
279 return freq->m / div;
280 }
281 }
282
283 int cfg80211_wext_siwrts(struct net_device *dev,
284 struct iw_request_info *info,
285 struct iw_param *rts, char *extra)
286 {
287 struct wireless_dev *wdev = dev->ieee80211_ptr;
288 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
289 u32 orts = wdev->wiphy->rts_threshold;
290 int err;
291
292 if (rts->disabled || !rts->fixed)
293 wdev->wiphy->rts_threshold = (u32) -1;
294 else if (rts->value < 0)
295 return -EINVAL;
296 else
297 wdev->wiphy->rts_threshold = rts->value;
298
299 err = rdev->ops->set_wiphy_params(wdev->wiphy,
300 WIPHY_PARAM_RTS_THRESHOLD);
301 if (err)
302 wdev->wiphy->rts_threshold = orts;
303
304 return err;
305 }
306 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
307
308 int cfg80211_wext_giwrts(struct net_device *dev,
309 struct iw_request_info *info,
310 struct iw_param *rts, char *extra)
311 {
312 struct wireless_dev *wdev = dev->ieee80211_ptr;
313
314 rts->value = wdev->wiphy->rts_threshold;
315 rts->disabled = rts->value == (u32) -1;
316 rts->fixed = 1;
317
318 return 0;
319 }
320 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
321
322 int cfg80211_wext_siwfrag(struct net_device *dev,
323 struct iw_request_info *info,
324 struct iw_param *frag, char *extra)
325 {
326 struct wireless_dev *wdev = dev->ieee80211_ptr;
327 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
328 u32 ofrag = wdev->wiphy->frag_threshold;
329 int err;
330
331 if (frag->disabled || !frag->fixed)
332 wdev->wiphy->frag_threshold = (u32) -1;
333 else if (frag->value < 256)
334 return -EINVAL;
335 else {
336 /* Fragment length must be even, so strip LSB. */
337 wdev->wiphy->frag_threshold = frag->value & ~0x1;
338 }
339
340 err = rdev->ops->set_wiphy_params(wdev->wiphy,
341 WIPHY_PARAM_FRAG_THRESHOLD);
342 if (err)
343 wdev->wiphy->frag_threshold = ofrag;
344
345 return err;
346 }
347 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
348
349 int cfg80211_wext_giwfrag(struct net_device *dev,
350 struct iw_request_info *info,
351 struct iw_param *frag, char *extra)
352 {
353 struct wireless_dev *wdev = dev->ieee80211_ptr;
354
355 frag->value = wdev->wiphy->frag_threshold;
356 frag->disabled = frag->value == (u32) -1;
357 frag->fixed = 1;
358
359 return 0;
360 }
361 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
362
363 int cfg80211_wext_siwretry(struct net_device *dev,
364 struct iw_request_info *info,
365 struct iw_param *retry, char *extra)
366 {
367 struct wireless_dev *wdev = dev->ieee80211_ptr;
368 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
369 u32 changed = 0;
370 u8 olong = wdev->wiphy->retry_long;
371 u8 oshort = wdev->wiphy->retry_short;
372 int err;
373
374 if (retry->disabled ||
375 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
376 return -EINVAL;
377
378 if (retry->flags & IW_RETRY_LONG) {
379 wdev->wiphy->retry_long = retry->value;
380 changed |= WIPHY_PARAM_RETRY_LONG;
381 } else if (retry->flags & IW_RETRY_SHORT) {
382 wdev->wiphy->retry_short = retry->value;
383 changed |= WIPHY_PARAM_RETRY_SHORT;
384 } else {
385 wdev->wiphy->retry_short = retry->value;
386 wdev->wiphy->retry_long = retry->value;
387 changed |= WIPHY_PARAM_RETRY_LONG;
388 changed |= WIPHY_PARAM_RETRY_SHORT;
389 }
390
391 if (!changed)
392 return 0;
393
394 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
395 if (err) {
396 wdev->wiphy->retry_short = oshort;
397 wdev->wiphy->retry_long = olong;
398 }
399
400 return err;
401 }
402 EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
403
404 int cfg80211_wext_giwretry(struct net_device *dev,
405 struct iw_request_info *info,
406 struct iw_param *retry, char *extra)
407 {
408 struct wireless_dev *wdev = dev->ieee80211_ptr;
409
410 retry->disabled = 0;
411
412 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
413 /*
414 * First return short value, iwconfig will ask long value
415 * later if needed
416 */
417 retry->flags |= IW_RETRY_LIMIT;
418 retry->value = wdev->wiphy->retry_short;
419 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
420 retry->flags |= IW_RETRY_LONG;
421
422 return 0;
423 }
424
425 if (retry->flags & IW_RETRY_LONG) {
426 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
427 retry->value = wdev->wiphy->retry_long;
428 }
429
430 return 0;
431 }
432 EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
433
434 static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
435 struct net_device *dev, bool pairwise,
436 const u8 *addr, bool remove, bool tx_key,
437 int idx, struct key_params *params)
438 {
439 struct wireless_dev *wdev = dev->ieee80211_ptr;
440 int err, i;
441 bool rejoin = false;
442
443 if (pairwise && !addr)
444 return -EINVAL;
445
446 if (!wdev->wext.keys) {
447 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
448 GFP_KERNEL);
449 if (!wdev->wext.keys)
450 return -ENOMEM;
451 for (i = 0; i < 6; i++)
452 wdev->wext.keys->params[i].key =
453 wdev->wext.keys->data[i];
454 }
455
456 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
457 wdev->iftype != NL80211_IFTYPE_STATION)
458 return -EOPNOTSUPP;
459
460 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
461 if (!wdev->current_bss)
462 return -ENOLINK;
463
464 if (!rdev->ops->set_default_mgmt_key)
465 return -EOPNOTSUPP;
466
467 if (idx < 4 || idx > 5)
468 return -EINVAL;
469 } else if (idx < 0 || idx > 3)
470 return -EINVAL;
471
472 if (remove) {
473 err = 0;
474 if (wdev->current_bss) {
475 /*
476 * If removing the current TX key, we will need to
477 * join a new IBSS without the privacy bit clear.
478 */
479 if (idx == wdev->wext.default_key &&
480 wdev->iftype == NL80211_IFTYPE_ADHOC) {
481 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
482 rejoin = true;
483 }
484
485 if (!pairwise && addr &&
486 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
487 err = -ENOENT;
488 else
489 err = rdev->ops->del_key(&rdev->wiphy, dev, idx,
490 pairwise, addr);
491 }
492 wdev->wext.connect.privacy = false;
493 /*
494 * Applications using wireless extensions expect to be
495 * able to delete keys that don't exist, so allow that.
496 */
497 if (err == -ENOENT)
498 err = 0;
499 if (!err) {
500 if (!addr) {
501 wdev->wext.keys->params[idx].key_len = 0;
502 wdev->wext.keys->params[idx].cipher = 0;
503 }
504 if (idx == wdev->wext.default_key)
505 wdev->wext.default_key = -1;
506 else if (idx == wdev->wext.default_mgmt_key)
507 wdev->wext.default_mgmt_key = -1;
508 }
509
510 if (!err && rejoin)
511 err = cfg80211_ibss_wext_join(rdev, wdev);
512
513 return err;
514 }
515
516 if (addr)
517 tx_key = false;
518
519 if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr))
520 return -EINVAL;
521
522 err = 0;
523 if (wdev->current_bss)
524 err = rdev->ops->add_key(&rdev->wiphy, dev, idx,
525 pairwise, addr, params);
526 if (err)
527 return err;
528
529 if (!addr) {
530 wdev->wext.keys->params[idx] = *params;
531 memcpy(wdev->wext.keys->data[idx],
532 params->key, params->key_len);
533 wdev->wext.keys->params[idx].key =
534 wdev->wext.keys->data[idx];
535 }
536
537 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
538 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
539 (tx_key || (!addr && wdev->wext.default_key == -1))) {
540 if (wdev->current_bss) {
541 /*
542 * If we are getting a new TX key from not having
543 * had one before we need to join a new IBSS with
544 * the privacy bit set.
545 */
546 if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
547 wdev->wext.default_key == -1) {
548 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
549 rejoin = true;
550 }
551 err = rdev->ops->set_default_key(&rdev->wiphy,
552 dev, idx);
553 }
554 if (!err) {
555 wdev->wext.default_key = idx;
556 if (rejoin)
557 err = cfg80211_ibss_wext_join(rdev, wdev);
558 }
559 return err;
560 }
561
562 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
563 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
564 if (wdev->current_bss)
565 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
566 dev, idx);
567 if (!err)
568 wdev->wext.default_mgmt_key = idx;
569 return err;
570 }
571
572 return 0;
573 }
574
575 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
576 struct net_device *dev, bool pairwise,
577 const u8 *addr, bool remove, bool tx_key,
578 int idx, struct key_params *params)
579 {
580 int err;
581
582 /* devlist mutex needed for possible IBSS re-join */
583 mutex_lock(&rdev->devlist_mtx);
584 wdev_lock(dev->ieee80211_ptr);
585 err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
586 remove, tx_key, idx, params);
587 wdev_unlock(dev->ieee80211_ptr);
588 mutex_unlock(&rdev->devlist_mtx);
589
590 return err;
591 }
592
593 int cfg80211_wext_siwencode(struct net_device *dev,
594 struct iw_request_info *info,
595 struct iw_point *erq, char *keybuf)
596 {
597 struct wireless_dev *wdev = dev->ieee80211_ptr;
598 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
599 int idx, err;
600 bool remove = false;
601 struct key_params params;
602
603 if (wdev->iftype != NL80211_IFTYPE_STATION &&
604 wdev->iftype != NL80211_IFTYPE_ADHOC)
605 return -EOPNOTSUPP;
606
607 /* no use -- only MFP (set_default_mgmt_key) is optional */
608 if (!rdev->ops->del_key ||
609 !rdev->ops->add_key ||
610 !rdev->ops->set_default_key)
611 return -EOPNOTSUPP;
612
613 idx = erq->flags & IW_ENCODE_INDEX;
614 if (idx == 0) {
615 idx = wdev->wext.default_key;
616 if (idx < 0)
617 idx = 0;
618 } else if (idx < 1 || idx > 4)
619 return -EINVAL;
620 else
621 idx--;
622
623 if (erq->flags & IW_ENCODE_DISABLED)
624 remove = true;
625 else if (erq->length == 0) {
626 /* No key data - just set the default TX key index */
627 err = 0;
628 wdev_lock(wdev);
629 if (wdev->current_bss)
630 err = rdev->ops->set_default_key(&rdev->wiphy,
631 dev, idx);
632 if (!err)
633 wdev->wext.default_key = idx;
634 wdev_unlock(wdev);
635 return err;
636 }
637
638 memset(&params, 0, sizeof(params));
639 params.key = keybuf;
640 params.key_len = erq->length;
641 if (erq->length == 5)
642 params.cipher = WLAN_CIPHER_SUITE_WEP40;
643 else if (erq->length == 13)
644 params.cipher = WLAN_CIPHER_SUITE_WEP104;
645 else if (!remove)
646 return -EINVAL;
647
648 return cfg80211_set_encryption(rdev, dev, false, NULL, remove,
649 wdev->wext.default_key == -1,
650 idx, &params);
651 }
652 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
653
654 int cfg80211_wext_siwencodeext(struct net_device *dev,
655 struct iw_request_info *info,
656 struct iw_point *erq, char *extra)
657 {
658 struct wireless_dev *wdev = dev->ieee80211_ptr;
659 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
660 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
661 const u8 *addr;
662 int idx;
663 bool remove = false;
664 struct key_params params;
665 u32 cipher;
666
667 if (wdev->iftype != NL80211_IFTYPE_STATION &&
668 wdev->iftype != NL80211_IFTYPE_ADHOC)
669 return -EOPNOTSUPP;
670
671 /* no use -- only MFP (set_default_mgmt_key) is optional */
672 if (!rdev->ops->del_key ||
673 !rdev->ops->add_key ||
674 !rdev->ops->set_default_key)
675 return -EOPNOTSUPP;
676
677 switch (ext->alg) {
678 case IW_ENCODE_ALG_NONE:
679 remove = true;
680 cipher = 0;
681 break;
682 case IW_ENCODE_ALG_WEP:
683 if (ext->key_len == 5)
684 cipher = WLAN_CIPHER_SUITE_WEP40;
685 else if (ext->key_len == 13)
686 cipher = WLAN_CIPHER_SUITE_WEP104;
687 else
688 return -EINVAL;
689 break;
690 case IW_ENCODE_ALG_TKIP:
691 cipher = WLAN_CIPHER_SUITE_TKIP;
692 break;
693 case IW_ENCODE_ALG_CCMP:
694 cipher = WLAN_CIPHER_SUITE_CCMP;
695 break;
696 case IW_ENCODE_ALG_AES_CMAC:
697 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
698 break;
699 default:
700 return -EOPNOTSUPP;
701 }
702
703 if (erq->flags & IW_ENCODE_DISABLED)
704 remove = true;
705
706 idx = erq->flags & IW_ENCODE_INDEX;
707 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
708 if (idx < 4 || idx > 5) {
709 idx = wdev->wext.default_mgmt_key;
710 if (idx < 0)
711 return -EINVAL;
712 } else
713 idx--;
714 } else {
715 if (idx < 1 || idx > 4) {
716 idx = wdev->wext.default_key;
717 if (idx < 0)
718 return -EINVAL;
719 } else
720 idx--;
721 }
722
723 addr = ext->addr.sa_data;
724 if (is_broadcast_ether_addr(addr))
725 addr = NULL;
726
727 memset(&params, 0, sizeof(params));
728 params.key = ext->key;
729 params.key_len = ext->key_len;
730 params.cipher = cipher;
731
732 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
733 params.seq = ext->rx_seq;
734 params.seq_len = 6;
735 }
736
737 return cfg80211_set_encryption(
738 rdev, dev,
739 !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY),
740 addr, remove,
741 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
742 idx, &params);
743 }
744 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
745
746 int cfg80211_wext_giwencode(struct net_device *dev,
747 struct iw_request_info *info,
748 struct iw_point *erq, char *keybuf)
749 {
750 struct wireless_dev *wdev = dev->ieee80211_ptr;
751 int idx;
752
753 if (wdev->iftype != NL80211_IFTYPE_STATION &&
754 wdev->iftype != NL80211_IFTYPE_ADHOC)
755 return -EOPNOTSUPP;
756
757 idx = erq->flags & IW_ENCODE_INDEX;
758 if (idx == 0) {
759 idx = wdev->wext.default_key;
760 if (idx < 0)
761 idx = 0;
762 } else if (idx < 1 || idx > 4)
763 return -EINVAL;
764 else
765 idx--;
766
767 erq->flags = idx + 1;
768
769 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
770 erq->flags |= IW_ENCODE_DISABLED;
771 erq->length = 0;
772 return 0;
773 }
774
775 erq->length = min_t(size_t, erq->length,
776 wdev->wext.keys->params[idx].key_len);
777 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
778 erq->flags |= IW_ENCODE_ENABLED;
779
780 return 0;
781 }
782 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
783
784 int cfg80211_wext_siwfreq(struct net_device *dev,
785 struct iw_request_info *info,
786 struct iw_freq *wextfreq, char *extra)
787 {
788 struct wireless_dev *wdev = dev->ieee80211_ptr;
789 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
790 int freq, err;
791
792 switch (wdev->iftype) {
793 case NL80211_IFTYPE_STATION:
794 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
795 case NL80211_IFTYPE_ADHOC:
796 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
797 case NL80211_IFTYPE_MONITOR:
798 case NL80211_IFTYPE_WDS:
799 case NL80211_IFTYPE_MESH_POINT:
800 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
801 if (freq < 0)
802 return freq;
803 if (freq == 0)
804 return -EINVAL;
805 wdev_lock(wdev);
806 mutex_lock(&rdev->devlist_mtx);
807 err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
808 mutex_unlock(&rdev->devlist_mtx);
809 wdev_unlock(wdev);
810 return err;
811 default:
812 return -EOPNOTSUPP;
813 }
814 }
815 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
816
817 int cfg80211_wext_giwfreq(struct net_device *dev,
818 struct iw_request_info *info,
819 struct iw_freq *freq, char *extra)
820 {
821 struct wireless_dev *wdev = dev->ieee80211_ptr;
822
823 switch (wdev->iftype) {
824 case NL80211_IFTYPE_STATION:
825 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
826 case NL80211_IFTYPE_ADHOC:
827 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
828 default:
829 if (!wdev->channel)
830 return -EINVAL;
831 freq->m = wdev->channel->center_freq;
832 freq->e = 6;
833 return 0;
834 }
835 }
836 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
837
838 int cfg80211_wext_siwtxpower(struct net_device *dev,
839 struct iw_request_info *info,
840 union iwreq_data *data, char *extra)
841 {
842 struct wireless_dev *wdev = dev->ieee80211_ptr;
843 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
844 enum nl80211_tx_power_setting type;
845 int dbm = 0;
846
847 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
848 return -EINVAL;
849 if (data->txpower.flags & IW_TXPOW_RANGE)
850 return -EINVAL;
851
852 if (!rdev->ops->set_tx_power)
853 return -EOPNOTSUPP;
854
855 /* only change when not disabling */
856 if (!data->txpower.disabled) {
857 rfkill_set_sw_state(rdev->rfkill, false);
858
859 if (data->txpower.fixed) {
860 /*
861 * wext doesn't support negative values, see
862 * below where it's for automatic
863 */
864 if (data->txpower.value < 0)
865 return -EINVAL;
866 dbm = data->txpower.value;
867 type = NL80211_TX_POWER_FIXED;
868 /* TODO: do regulatory check! */
869 } else {
870 /*
871 * Automatic power level setting, max being the value
872 * passed in from userland.
873 */
874 if (data->txpower.value < 0) {
875 type = NL80211_TX_POWER_AUTOMATIC;
876 } else {
877 dbm = data->txpower.value;
878 type = NL80211_TX_POWER_LIMITED;
879 }
880 }
881 } else {
882 rfkill_set_sw_state(rdev->rfkill, true);
883 schedule_work(&rdev->rfkill_sync);
884 return 0;
885 }
886
887 return rdev->ops->set_tx_power(wdev->wiphy, type, DBM_TO_MBM(dbm));
888 }
889 EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
890
891 int cfg80211_wext_giwtxpower(struct net_device *dev,
892 struct iw_request_info *info,
893 union iwreq_data *data, char *extra)
894 {
895 struct wireless_dev *wdev = dev->ieee80211_ptr;
896 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
897 int err, val;
898
899 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
900 return -EINVAL;
901 if (data->txpower.flags & IW_TXPOW_RANGE)
902 return -EINVAL;
903
904 if (!rdev->ops->get_tx_power)
905 return -EOPNOTSUPP;
906
907 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
908 if (err)
909 return err;
910
911 /* well... oh well */
912 data->txpower.fixed = 1;
913 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
914 data->txpower.value = val;
915 data->txpower.flags = IW_TXPOW_DBM;
916
917 return 0;
918 }
919 EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
920
921 static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
922 s32 auth_alg)
923 {
924 int nr_alg = 0;
925
926 if (!auth_alg)
927 return -EINVAL;
928
929 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
930 IW_AUTH_ALG_SHARED_KEY |
931 IW_AUTH_ALG_LEAP))
932 return -EINVAL;
933
934 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
935 nr_alg++;
936 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
937 }
938
939 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
940 nr_alg++;
941 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
942 }
943
944 if (auth_alg & IW_AUTH_ALG_LEAP) {
945 nr_alg++;
946 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
947 }
948
949 if (nr_alg > 1)
950 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
951
952 return 0;
953 }
954
955 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
956 {
957 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
958 IW_AUTH_WPA_VERSION_WPA2|
959 IW_AUTH_WPA_VERSION_DISABLED))
960 return -EINVAL;
961
962 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
963 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
964 IW_AUTH_WPA_VERSION_WPA2)))
965 return -EINVAL;
966
967 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
968 wdev->wext.connect.crypto.wpa_versions &=
969 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
970
971 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
972 wdev->wext.connect.crypto.wpa_versions |=
973 NL80211_WPA_VERSION_1;
974
975 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
976 wdev->wext.connect.crypto.wpa_versions |=
977 NL80211_WPA_VERSION_2;
978
979 return 0;
980 }
981
982 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
983 {
984 if (cipher & IW_AUTH_CIPHER_WEP40)
985 wdev->wext.connect.crypto.cipher_group =
986 WLAN_CIPHER_SUITE_WEP40;
987 else if (cipher & IW_AUTH_CIPHER_WEP104)
988 wdev->wext.connect.crypto.cipher_group =
989 WLAN_CIPHER_SUITE_WEP104;
990 else if (cipher & IW_AUTH_CIPHER_TKIP)
991 wdev->wext.connect.crypto.cipher_group =
992 WLAN_CIPHER_SUITE_TKIP;
993 else if (cipher & IW_AUTH_CIPHER_CCMP)
994 wdev->wext.connect.crypto.cipher_group =
995 WLAN_CIPHER_SUITE_CCMP;
996 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
997 wdev->wext.connect.crypto.cipher_group =
998 WLAN_CIPHER_SUITE_AES_CMAC;
999 else if (cipher & IW_AUTH_CIPHER_NONE)
1000 wdev->wext.connect.crypto.cipher_group = 0;
1001 else
1002 return -EINVAL;
1003
1004 return 0;
1005 }
1006
1007 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
1008 {
1009 int nr_ciphers = 0;
1010 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
1011
1012 if (cipher & IW_AUTH_CIPHER_WEP40) {
1013 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
1014 nr_ciphers++;
1015 }
1016
1017 if (cipher & IW_AUTH_CIPHER_WEP104) {
1018 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1019 nr_ciphers++;
1020 }
1021
1022 if (cipher & IW_AUTH_CIPHER_TKIP) {
1023 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1024 nr_ciphers++;
1025 }
1026
1027 if (cipher & IW_AUTH_CIPHER_CCMP) {
1028 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1029 nr_ciphers++;
1030 }
1031
1032 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1033 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1034 nr_ciphers++;
1035 }
1036
1037 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1038
1039 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1040
1041 return 0;
1042 }
1043
1044
1045 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
1046 {
1047 int nr_akm_suites = 0;
1048
1049 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1050 IW_AUTH_KEY_MGMT_PSK))
1051 return -EINVAL;
1052
1053 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1054 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1055 WLAN_AKM_SUITE_8021X;
1056 nr_akm_suites++;
1057 }
1058
1059 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1060 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1061 WLAN_AKM_SUITE_PSK;
1062 nr_akm_suites++;
1063 }
1064
1065 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1066
1067 return 0;
1068 }
1069
1070 int cfg80211_wext_siwauth(struct net_device *dev,
1071 struct iw_request_info *info,
1072 struct iw_param *data, char *extra)
1073 {
1074 struct wireless_dev *wdev = dev->ieee80211_ptr;
1075
1076 if (wdev->iftype != NL80211_IFTYPE_STATION)
1077 return -EOPNOTSUPP;
1078
1079 switch (data->flags & IW_AUTH_INDEX) {
1080 case IW_AUTH_PRIVACY_INVOKED:
1081 wdev->wext.connect.privacy = data->value;
1082 return 0;
1083 case IW_AUTH_WPA_VERSION:
1084 return cfg80211_set_wpa_version(wdev, data->value);
1085 case IW_AUTH_CIPHER_GROUP:
1086 return cfg80211_set_cipher_group(wdev, data->value);
1087 case IW_AUTH_KEY_MGMT:
1088 return cfg80211_set_key_mgt(wdev, data->value);
1089 case IW_AUTH_CIPHER_PAIRWISE:
1090 return cfg80211_set_cipher_pairwise(wdev, data->value);
1091 case IW_AUTH_80211_AUTH_ALG:
1092 return cfg80211_set_auth_alg(wdev, data->value);
1093 case IW_AUTH_WPA_ENABLED:
1094 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1095 case IW_AUTH_DROP_UNENCRYPTED:
1096 case IW_AUTH_MFP:
1097 return 0;
1098 default:
1099 return -EOPNOTSUPP;
1100 }
1101 }
1102 EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1103
1104 int cfg80211_wext_giwauth(struct net_device *dev,
1105 struct iw_request_info *info,
1106 struct iw_param *data, char *extra)
1107 {
1108 /* XXX: what do we need? */
1109
1110 return -EOPNOTSUPP;
1111 }
1112 EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
1113
1114 int cfg80211_wext_siwpower(struct net_device *dev,
1115 struct iw_request_info *info,
1116 struct iw_param *wrq, char *extra)
1117 {
1118 struct wireless_dev *wdev = dev->ieee80211_ptr;
1119 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1120 bool ps = wdev->ps;
1121 int timeout = wdev->ps_timeout;
1122 int err;
1123
1124 if (wdev->iftype != NL80211_IFTYPE_STATION)
1125 return -EINVAL;
1126
1127 if (!rdev->ops->set_power_mgmt)
1128 return -EOPNOTSUPP;
1129
1130 if (wrq->disabled) {
1131 ps = false;
1132 } else {
1133 switch (wrq->flags & IW_POWER_MODE) {
1134 case IW_POWER_ON: /* If not specified */
1135 case IW_POWER_MODE: /* If set all mask */
1136 case IW_POWER_ALL_R: /* If explicitely state all */
1137 ps = true;
1138 break;
1139 default: /* Otherwise we ignore */
1140 return -EINVAL;
1141 }
1142
1143 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1144 return -EINVAL;
1145
1146 if (wrq->flags & IW_POWER_TIMEOUT)
1147 timeout = wrq->value / 1000;
1148 }
1149
1150 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1151 if (err)
1152 return err;
1153
1154 wdev->ps = ps;
1155 wdev->ps_timeout = timeout;
1156
1157 return 0;
1158
1159 }
1160 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1161
1162 int cfg80211_wext_giwpower(struct net_device *dev,
1163 struct iw_request_info *info,
1164 struct iw_param *wrq, char *extra)
1165 {
1166 struct wireless_dev *wdev = dev->ieee80211_ptr;
1167
1168 wrq->disabled = !wdev->ps;
1169
1170 return 0;
1171 }
1172 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
1173
1174 static int cfg80211_wds_wext_siwap(struct net_device *dev,
1175 struct iw_request_info *info,
1176 struct sockaddr *addr, char *extra)
1177 {
1178 struct wireless_dev *wdev = dev->ieee80211_ptr;
1179 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1180 int err;
1181
1182 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1183 return -EINVAL;
1184
1185 if (addr->sa_family != ARPHRD_ETHER)
1186 return -EINVAL;
1187
1188 if (netif_running(dev))
1189 return -EBUSY;
1190
1191 if (!rdev->ops->set_wds_peer)
1192 return -EOPNOTSUPP;
1193
1194 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1195 if (err)
1196 return err;
1197
1198 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1199
1200 return 0;
1201 }
1202
1203 static int cfg80211_wds_wext_giwap(struct net_device *dev,
1204 struct iw_request_info *info,
1205 struct sockaddr *addr, char *extra)
1206 {
1207 struct wireless_dev *wdev = dev->ieee80211_ptr;
1208
1209 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1210 return -EINVAL;
1211
1212 addr->sa_family = ARPHRD_ETHER;
1213 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1214
1215 return 0;
1216 }
1217
1218 int cfg80211_wext_siwrate(struct net_device *dev,
1219 struct iw_request_info *info,
1220 struct iw_param *rate, char *extra)
1221 {
1222 struct wireless_dev *wdev = dev->ieee80211_ptr;
1223 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1224 struct cfg80211_bitrate_mask mask;
1225 u32 fixed, maxrate;
1226 struct ieee80211_supported_band *sband;
1227 int band, ridx;
1228 bool match = false;
1229
1230 if (!rdev->ops->set_bitrate_mask)
1231 return -EOPNOTSUPP;
1232
1233 memset(&mask, 0, sizeof(mask));
1234 fixed = 0;
1235 maxrate = (u32)-1;
1236
1237 if (rate->value < 0) {
1238 /* nothing */
1239 } else if (rate->fixed) {
1240 fixed = rate->value / 100000;
1241 } else {
1242 maxrate = rate->value / 100000;
1243 }
1244
1245 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1246 sband = wdev->wiphy->bands[band];
1247 if (sband == NULL)
1248 continue;
1249 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
1250 struct ieee80211_rate *srate = &sband->bitrates[ridx];
1251 if (fixed == srate->bitrate) {
1252 mask.control[band].legacy = 1 << ridx;
1253 match = true;
1254 break;
1255 }
1256 if (srate->bitrate <= maxrate) {
1257 mask.control[band].legacy |= 1 << ridx;
1258 match = true;
1259 }
1260 }
1261 }
1262
1263 if (!match)
1264 return -EINVAL;
1265
1266 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1267 }
1268 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1269
1270 int cfg80211_wext_giwrate(struct net_device *dev,
1271 struct iw_request_info *info,
1272 struct iw_param *rate, char *extra)
1273 {
1274 struct wireless_dev *wdev = dev->ieee80211_ptr;
1275 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1276 /* we are under RTNL - globally locked - so can use a static struct */
1277 static struct station_info sinfo;
1278 u8 addr[ETH_ALEN];
1279 int err;
1280
1281 if (wdev->iftype != NL80211_IFTYPE_STATION)
1282 return -EOPNOTSUPP;
1283
1284 if (!rdev->ops->get_station)
1285 return -EOPNOTSUPP;
1286
1287 err = 0;
1288 wdev_lock(wdev);
1289 if (wdev->current_bss)
1290 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
1291 else
1292 err = -EOPNOTSUPP;
1293 wdev_unlock(wdev);
1294 if (err)
1295 return err;
1296
1297 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1298 if (err)
1299 return err;
1300
1301 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1302 return -EOPNOTSUPP;
1303
1304 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
1305
1306 return 0;
1307 }
1308 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
1309
1310 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1311 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1312 {
1313 struct wireless_dev *wdev = dev->ieee80211_ptr;
1314 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1315 /* we are under RTNL - globally locked - so can use static structs */
1316 static struct iw_statistics wstats;
1317 static struct station_info sinfo;
1318 u8 bssid[ETH_ALEN];
1319
1320 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1321 return NULL;
1322
1323 if (!rdev->ops->get_station)
1324 return NULL;
1325
1326 /* Grab BSSID of current BSS, if any */
1327 wdev_lock(wdev);
1328 if (!wdev->current_bss) {
1329 wdev_unlock(wdev);
1330 return NULL;
1331 }
1332 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1333 wdev_unlock(wdev);
1334
1335 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
1336 return NULL;
1337
1338 memset(&wstats, 0, sizeof(wstats));
1339
1340 switch (rdev->wiphy.signal_type) {
1341 case CFG80211_SIGNAL_TYPE_MBM:
1342 if (sinfo.filled & STATION_INFO_SIGNAL) {
1343 int sig = sinfo.signal;
1344 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1345 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1346 wstats.qual.updated |= IW_QUAL_DBM;
1347 wstats.qual.level = sig;
1348 if (sig < -110)
1349 sig = -110;
1350 else if (sig > -40)
1351 sig = -40;
1352 wstats.qual.qual = sig + 110;
1353 break;
1354 }
1355 case CFG80211_SIGNAL_TYPE_UNSPEC:
1356 if (sinfo.filled & STATION_INFO_SIGNAL) {
1357 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1358 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1359 wstats.qual.level = sinfo.signal;
1360 wstats.qual.qual = sinfo.signal;
1361 break;
1362 }
1363 default:
1364 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1365 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1366 }
1367
1368 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1369 if (sinfo.filled & STATION_INFO_RX_DROP_MISC)
1370 wstats.discard.misc = sinfo.rx_dropped_misc;
1371 if (sinfo.filled & STATION_INFO_TX_FAILED)
1372 wstats.discard.retries = sinfo.tx_failed;
1373
1374 return &wstats;
1375 }
1376 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
1377
1378 int cfg80211_wext_siwap(struct net_device *dev,
1379 struct iw_request_info *info,
1380 struct sockaddr *ap_addr, char *extra)
1381 {
1382 struct wireless_dev *wdev = dev->ieee80211_ptr;
1383
1384 switch (wdev->iftype) {
1385 case NL80211_IFTYPE_ADHOC:
1386 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1387 case NL80211_IFTYPE_STATION:
1388 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1389 case NL80211_IFTYPE_WDS:
1390 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1391 default:
1392 return -EOPNOTSUPP;
1393 }
1394 }
1395 EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1396
1397 int cfg80211_wext_giwap(struct net_device *dev,
1398 struct iw_request_info *info,
1399 struct sockaddr *ap_addr, char *extra)
1400 {
1401 struct wireless_dev *wdev = dev->ieee80211_ptr;
1402
1403 switch (wdev->iftype) {
1404 case NL80211_IFTYPE_ADHOC:
1405 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1406 case NL80211_IFTYPE_STATION:
1407 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1408 case NL80211_IFTYPE_WDS:
1409 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1410 default:
1411 return -EOPNOTSUPP;
1412 }
1413 }
1414 EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1415
1416 int cfg80211_wext_siwessid(struct net_device *dev,
1417 struct iw_request_info *info,
1418 struct iw_point *data, char *ssid)
1419 {
1420 struct wireless_dev *wdev = dev->ieee80211_ptr;
1421
1422 switch (wdev->iftype) {
1423 case NL80211_IFTYPE_ADHOC:
1424 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1425 case NL80211_IFTYPE_STATION:
1426 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1427 default:
1428 return -EOPNOTSUPP;
1429 }
1430 }
1431 EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1432
1433 int cfg80211_wext_giwessid(struct net_device *dev,
1434 struct iw_request_info *info,
1435 struct iw_point *data, char *ssid)
1436 {
1437 struct wireless_dev *wdev = dev->ieee80211_ptr;
1438
1439 data->flags = 0;
1440 data->length = 0;
1441
1442 switch (wdev->iftype) {
1443 case NL80211_IFTYPE_ADHOC:
1444 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1445 case NL80211_IFTYPE_STATION:
1446 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1447 default:
1448 return -EOPNOTSUPP;
1449 }
1450 }
1451 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
1452
1453 int cfg80211_wext_siwpmksa(struct net_device *dev,
1454 struct iw_request_info *info,
1455 struct iw_point *data, char *extra)
1456 {
1457 struct wireless_dev *wdev = dev->ieee80211_ptr;
1458 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1459 struct cfg80211_pmksa cfg_pmksa;
1460 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
1461
1462 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1463
1464 if (wdev->iftype != NL80211_IFTYPE_STATION)
1465 return -EINVAL;
1466
1467 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1468 cfg_pmksa.pmkid = pmksa->pmkid;
1469
1470 switch (pmksa->cmd) {
1471 case IW_PMKSA_ADD:
1472 if (!rdev->ops->set_pmksa)
1473 return -EOPNOTSUPP;
1474
1475 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1476
1477 case IW_PMKSA_REMOVE:
1478 if (!rdev->ops->del_pmksa)
1479 return -EOPNOTSUPP;
1480
1481 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1482
1483 case IW_PMKSA_FLUSH:
1484 if (!rdev->ops->flush_pmksa)
1485 return -EOPNOTSUPP;
1486
1487 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1488
1489 default:
1490 return -EOPNOTSUPP;
1491 }
1492 }
1493 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpmksa);
1494
1495 static const iw_handler cfg80211_handlers[] = {
1496 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1497 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1498 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1499 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1500 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1501 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1502 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1503 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1504 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1505 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1506 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1507 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1508 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1509 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1510 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1511 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1512 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1513 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1514 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1515 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1516 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1517 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1518 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1519 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1520 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1521 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1522 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1523 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1524 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1525 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1526 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
1527 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
1528 };
1529
1530 const struct iw_handler_def cfg80211_wext_handler = {
1531 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1532 .standard = cfg80211_handlers,
1533 .get_wireless_stats = cfg80211_wireless_stats,
1534 };