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writeback: split writeback_inodes_wb
[linux-2.6/next.git] / net / wireless / wext-compat.c
blob96342993cf933237d76c33595497d938ed86ec3c
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, const u8 *addr,
436 bool remove, bool tx_key, int idx,
437 struct key_params *params)
438 {
439 struct wireless_dev *wdev = dev->ieee80211_ptr;
440 int err, i;
441 bool rejoin = false;
442
443 if (!wdev->wext.keys) {
444 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
445 GFP_KERNEL);
446 if (!wdev->wext.keys)
447 return -ENOMEM;
448 for (i = 0; i < 6; i++)
449 wdev->wext.keys->params[i].key =
450 wdev->wext.keys->data[i];
451 }
452
453 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
454 wdev->iftype != NL80211_IFTYPE_STATION)
455 return -EOPNOTSUPP;
456
457 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
458 if (!wdev->current_bss)
459 return -ENOLINK;
460
461 if (!rdev->ops->set_default_mgmt_key)
462 return -EOPNOTSUPP;
463
464 if (idx < 4 || idx > 5)
465 return -EINVAL;
466 } else if (idx < 0 || idx > 3)
467 return -EINVAL;
468
469 if (remove) {
470 err = 0;
471 if (wdev->current_bss) {
472 /*
473 * If removing the current TX key, we will need to
474 * join a new IBSS without the privacy bit clear.
475 */
476 if (idx == wdev->wext.default_key &&
477 wdev->iftype == NL80211_IFTYPE_ADHOC) {
478 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
479 rejoin = true;
480 }
481 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
482 }
483 wdev->wext.connect.privacy = false;
484 /*
485 * Applications using wireless extensions expect to be
486 * able to delete keys that don't exist, so allow that.
487 */
488 if (err == -ENOENT)
489 err = 0;
490 if (!err) {
491 if (!addr) {
492 wdev->wext.keys->params[idx].key_len = 0;
493 wdev->wext.keys->params[idx].cipher = 0;
494 }
495 if (idx == wdev->wext.default_key)
496 wdev->wext.default_key = -1;
497 else if (idx == wdev->wext.default_mgmt_key)
498 wdev->wext.default_mgmt_key = -1;
499 }
500
501 if (!err && rejoin)
502 err = cfg80211_ibss_wext_join(rdev, wdev);
503
504 return err;
505 }
506
507 if (addr)
508 tx_key = false;
509
510 if (cfg80211_validate_key_settings(rdev, params, idx, addr))
511 return -EINVAL;
512
513 err = 0;
514 if (wdev->current_bss)
515 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
516 if (err)
517 return err;
518
519 if (!addr) {
520 wdev->wext.keys->params[idx] = *params;
521 memcpy(wdev->wext.keys->data[idx],
522 params->key, params->key_len);
523 wdev->wext.keys->params[idx].key =
524 wdev->wext.keys->data[idx];
525 }
526
527 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
528 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
529 (tx_key || (!addr && wdev->wext.default_key == -1))) {
530 if (wdev->current_bss) {
531 /*
532 * If we are getting a new TX key from not having
533 * had one before we need to join a new IBSS with
534 * the privacy bit set.
535 */
536 if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
537 wdev->wext.default_key == -1) {
538 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
539 rejoin = true;
540 }
541 err = rdev->ops->set_default_key(&rdev->wiphy,
542 dev, idx);
543 }
544 if (!err) {
545 wdev->wext.default_key = idx;
546 if (rejoin)
547 err = cfg80211_ibss_wext_join(rdev, wdev);
548 }
549 return err;
550 }
551
552 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
553 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
554 if (wdev->current_bss)
555 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
556 dev, idx);
557 if (!err)
558 wdev->wext.default_mgmt_key = idx;
559 return err;
560 }
561
562 return 0;
563 }
564
565 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
566 struct net_device *dev, const u8 *addr,
567 bool remove, bool tx_key, int idx,
568 struct key_params *params)
569 {
570 int err;
571
572 /* devlist mutex needed for possible IBSS re-join */
573 mutex_lock(&rdev->devlist_mtx);
574 wdev_lock(dev->ieee80211_ptr);
575 err = __cfg80211_set_encryption(rdev, dev, addr, remove,
576 tx_key, idx, params);
577 wdev_unlock(dev->ieee80211_ptr);
578 mutex_unlock(&rdev->devlist_mtx);
579
580 return err;
581 }
582
583 int cfg80211_wext_siwencode(struct net_device *dev,
584 struct iw_request_info *info,
585 struct iw_point *erq, char *keybuf)
586 {
587 struct wireless_dev *wdev = dev->ieee80211_ptr;
588 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
589 int idx, err;
590 bool remove = false;
591 struct key_params params;
592
593 if (wdev->iftype != NL80211_IFTYPE_STATION &&
594 wdev->iftype != NL80211_IFTYPE_ADHOC)
595 return -EOPNOTSUPP;
596
597 /* no use -- only MFP (set_default_mgmt_key) is optional */
598 if (!rdev->ops->del_key ||
599 !rdev->ops->add_key ||
600 !rdev->ops->set_default_key)
601 return -EOPNOTSUPP;
602
603 idx = erq->flags & IW_ENCODE_INDEX;
604 if (idx == 0) {
605 idx = wdev->wext.default_key;
606 if (idx < 0)
607 idx = 0;
608 } else if (idx < 1 || idx > 4)
609 return -EINVAL;
610 else
611 idx--;
612
613 if (erq->flags & IW_ENCODE_DISABLED)
614 remove = true;
615 else if (erq->length == 0) {
616 /* No key data - just set the default TX key index */
617 err = 0;
618 wdev_lock(wdev);
619 if (wdev->current_bss)
620 err = rdev->ops->set_default_key(&rdev->wiphy,
621 dev, idx);
622 if (!err)
623 wdev->wext.default_key = idx;
624 wdev_unlock(wdev);
625 return err;
626 }
627
628 memset(&params, 0, sizeof(params));
629 params.key = keybuf;
630 params.key_len = erq->length;
631 if (erq->length == 5)
632 params.cipher = WLAN_CIPHER_SUITE_WEP40;
633 else if (erq->length == 13)
634 params.cipher = WLAN_CIPHER_SUITE_WEP104;
635 else if (!remove)
636 return -EINVAL;
637
638 return cfg80211_set_encryption(rdev, dev, NULL, remove,
639 wdev->wext.default_key == -1,
640 idx, &params);
641 }
642 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
643
644 int cfg80211_wext_siwencodeext(struct net_device *dev,
645 struct iw_request_info *info,
646 struct iw_point *erq, char *extra)
647 {
648 struct wireless_dev *wdev = dev->ieee80211_ptr;
649 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
650 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
651 const u8 *addr;
652 int idx;
653 bool remove = false;
654 struct key_params params;
655 u32 cipher;
656
657 if (wdev->iftype != NL80211_IFTYPE_STATION &&
658 wdev->iftype != NL80211_IFTYPE_ADHOC)
659 return -EOPNOTSUPP;
660
661 /* no use -- only MFP (set_default_mgmt_key) is optional */
662 if (!rdev->ops->del_key ||
663 !rdev->ops->add_key ||
664 !rdev->ops->set_default_key)
665 return -EOPNOTSUPP;
666
667 switch (ext->alg) {
668 case IW_ENCODE_ALG_NONE:
669 remove = true;
670 cipher = 0;
671 break;
672 case IW_ENCODE_ALG_WEP:
673 if (ext->key_len == 5)
674 cipher = WLAN_CIPHER_SUITE_WEP40;
675 else if (ext->key_len == 13)
676 cipher = WLAN_CIPHER_SUITE_WEP104;
677 else
678 return -EINVAL;
679 break;
680 case IW_ENCODE_ALG_TKIP:
681 cipher = WLAN_CIPHER_SUITE_TKIP;
682 break;
683 case IW_ENCODE_ALG_CCMP:
684 cipher = WLAN_CIPHER_SUITE_CCMP;
685 break;
686 case IW_ENCODE_ALG_AES_CMAC:
687 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
688 break;
689 default:
690 return -EOPNOTSUPP;
691 }
692
693 if (erq->flags & IW_ENCODE_DISABLED)
694 remove = true;
695
696 idx = erq->flags & IW_ENCODE_INDEX;
697 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
698 if (idx < 4 || idx > 5) {
699 idx = wdev->wext.default_mgmt_key;
700 if (idx < 0)
701 return -EINVAL;
702 } else
703 idx--;
704 } else {
705 if (idx < 1 || idx > 4) {
706 idx = wdev->wext.default_key;
707 if (idx < 0)
708 return -EINVAL;
709 } else
710 idx--;
711 }
712
713 addr = ext->addr.sa_data;
714 if (is_broadcast_ether_addr(addr))
715 addr = NULL;
716
717 memset(&params, 0, sizeof(params));
718 params.key = ext->key;
719 params.key_len = ext->key_len;
720 params.cipher = cipher;
721
722 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
723 params.seq = ext->rx_seq;
724 params.seq_len = 6;
725 }
726
727 return cfg80211_set_encryption(
728 rdev, dev, addr, remove,
729 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
730 idx, &params);
731 }
732 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
733
734 int cfg80211_wext_giwencode(struct net_device *dev,
735 struct iw_request_info *info,
736 struct iw_point *erq, char *keybuf)
737 {
738 struct wireless_dev *wdev = dev->ieee80211_ptr;
739 int idx;
740
741 if (wdev->iftype != NL80211_IFTYPE_STATION &&
742 wdev->iftype != NL80211_IFTYPE_ADHOC)
743 return -EOPNOTSUPP;
744
745 idx = erq->flags & IW_ENCODE_INDEX;
746 if (idx == 0) {
747 idx = wdev->wext.default_key;
748 if (idx < 0)
749 idx = 0;
750 } else if (idx < 1 || idx > 4)
751 return -EINVAL;
752 else
753 idx--;
754
755 erq->flags = idx + 1;
756
757 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
758 erq->flags |= IW_ENCODE_DISABLED;
759 erq->length = 0;
760 return 0;
761 }
762
763 erq->length = min_t(size_t, erq->length,
764 wdev->wext.keys->params[idx].key_len);
765 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
766 erq->flags |= IW_ENCODE_ENABLED;
767
768 return 0;
769 }
770 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
771
772 int cfg80211_wext_siwfreq(struct net_device *dev,
773 struct iw_request_info *info,
774 struct iw_freq *wextfreq, char *extra)
775 {
776 struct wireless_dev *wdev = dev->ieee80211_ptr;
777 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
778 int freq, err;
779
780 switch (wdev->iftype) {
781 case NL80211_IFTYPE_STATION:
782 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
783 case NL80211_IFTYPE_ADHOC:
784 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
785 case NL80211_IFTYPE_MONITOR:
786 case NL80211_IFTYPE_WDS:
787 case NL80211_IFTYPE_MESH_POINT:
788 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
789 if (freq < 0)
790 return freq;
791 if (freq == 0)
792 return -EINVAL;
793 wdev_lock(wdev);
794 mutex_lock(&rdev->devlist_mtx);
795 err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
796 mutex_unlock(&rdev->devlist_mtx);
797 wdev_unlock(wdev);
798 return err;
799 default:
800 return -EOPNOTSUPP;
801 }
802 }
803 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
804
805 int cfg80211_wext_giwfreq(struct net_device *dev,
806 struct iw_request_info *info,
807 struct iw_freq *freq, char *extra)
808 {
809 struct wireless_dev *wdev = dev->ieee80211_ptr;
810
811 switch (wdev->iftype) {
812 case NL80211_IFTYPE_STATION:
813 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
814 case NL80211_IFTYPE_ADHOC:
815 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
816 default:
817 if (!wdev->channel)
818 return -EINVAL;
819 freq->m = wdev->channel->center_freq;
820 freq->e = 6;
821 return 0;
822 }
823 }
824 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
825
826 int cfg80211_wext_siwtxpower(struct net_device *dev,
827 struct iw_request_info *info,
828 union iwreq_data *data, char *extra)
829 {
830 struct wireless_dev *wdev = dev->ieee80211_ptr;
831 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
832 enum tx_power_setting type;
833 int dbm = 0;
834
835 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
836 return -EINVAL;
837 if (data->txpower.flags & IW_TXPOW_RANGE)
838 return -EINVAL;
839
840 if (!rdev->ops->set_tx_power)
841 return -EOPNOTSUPP;
842
843 /* only change when not disabling */
844 if (!data->txpower.disabled) {
845 rfkill_set_sw_state(rdev->rfkill, false);
846
847 if (data->txpower.fixed) {
848 /*
849 * wext doesn't support negative values, see
850 * below where it's for automatic
851 */
852 if (data->txpower.value < 0)
853 return -EINVAL;
854 dbm = data->txpower.value;
855 type = TX_POWER_FIXED;
856 /* TODO: do regulatory check! */
857 } else {
858 /*
859 * Automatic power level setting, max being the value
860 * passed in from userland.
861 */
862 if (data->txpower.value < 0) {
863 type = TX_POWER_AUTOMATIC;
864 } else {
865 dbm = data->txpower.value;
866 type = TX_POWER_LIMITED;
867 }
868 }
869 } else {
870 rfkill_set_sw_state(rdev->rfkill, true);
871 schedule_work(&rdev->rfkill_sync);
872 return 0;
873 }
874
875 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
876 }
877 EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
878
879 int cfg80211_wext_giwtxpower(struct net_device *dev,
880 struct iw_request_info *info,
881 union iwreq_data *data, char *extra)
882 {
883 struct wireless_dev *wdev = dev->ieee80211_ptr;
884 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
885 int err, val;
886
887 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
888 return -EINVAL;
889 if (data->txpower.flags & IW_TXPOW_RANGE)
890 return -EINVAL;
891
892 if (!rdev->ops->get_tx_power)
893 return -EOPNOTSUPP;
894
895 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
896 if (err)
897 return err;
898
899 /* well... oh well */
900 data->txpower.fixed = 1;
901 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
902 data->txpower.value = val;
903 data->txpower.flags = IW_TXPOW_DBM;
904
905 return 0;
906 }
907 EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
908
909 static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
910 s32 auth_alg)
911 {
912 int nr_alg = 0;
913
914 if (!auth_alg)
915 return -EINVAL;
916
917 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
918 IW_AUTH_ALG_SHARED_KEY |
919 IW_AUTH_ALG_LEAP))
920 return -EINVAL;
921
922 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
923 nr_alg++;
924 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
925 }
926
927 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
928 nr_alg++;
929 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
930 }
931
932 if (auth_alg & IW_AUTH_ALG_LEAP) {
933 nr_alg++;
934 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
935 }
936
937 if (nr_alg > 1)
938 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
939
940 return 0;
941 }
942
943 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
944 {
945 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
946 IW_AUTH_WPA_VERSION_WPA2|
947 IW_AUTH_WPA_VERSION_DISABLED))
948 return -EINVAL;
949
950 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
951 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
952 IW_AUTH_WPA_VERSION_WPA2)))
953 return -EINVAL;
954
955 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
956 wdev->wext.connect.crypto.wpa_versions &=
957 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
958
959 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
960 wdev->wext.connect.crypto.wpa_versions |=
961 NL80211_WPA_VERSION_1;
962
963 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
964 wdev->wext.connect.crypto.wpa_versions |=
965 NL80211_WPA_VERSION_2;
966
967 return 0;
968 }
969
970 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
971 {
972 if (cipher & IW_AUTH_CIPHER_WEP40)
973 wdev->wext.connect.crypto.cipher_group =
974 WLAN_CIPHER_SUITE_WEP40;
975 else if (cipher & IW_AUTH_CIPHER_WEP104)
976 wdev->wext.connect.crypto.cipher_group =
977 WLAN_CIPHER_SUITE_WEP104;
978 else if (cipher & IW_AUTH_CIPHER_TKIP)
979 wdev->wext.connect.crypto.cipher_group =
980 WLAN_CIPHER_SUITE_TKIP;
981 else if (cipher & IW_AUTH_CIPHER_CCMP)
982 wdev->wext.connect.crypto.cipher_group =
983 WLAN_CIPHER_SUITE_CCMP;
984 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
985 wdev->wext.connect.crypto.cipher_group =
986 WLAN_CIPHER_SUITE_AES_CMAC;
987 else if (cipher & IW_AUTH_CIPHER_NONE)
988 wdev->wext.connect.crypto.cipher_group = 0;
989 else
990 return -EINVAL;
991
992 return 0;
993 }
994
995 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
996 {
997 int nr_ciphers = 0;
998 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
999
1000 if (cipher & IW_AUTH_CIPHER_WEP40) {
1001 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
1002 nr_ciphers++;
1003 }
1004
1005 if (cipher & IW_AUTH_CIPHER_WEP104) {
1006 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1007 nr_ciphers++;
1008 }
1009
1010 if (cipher & IW_AUTH_CIPHER_TKIP) {
1011 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1012 nr_ciphers++;
1013 }
1014
1015 if (cipher & IW_AUTH_CIPHER_CCMP) {
1016 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1017 nr_ciphers++;
1018 }
1019
1020 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1021 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1022 nr_ciphers++;
1023 }
1024
1025 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1026
1027 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1028
1029 return 0;
1030 }
1031
1032
1033 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
1034 {
1035 int nr_akm_suites = 0;
1036
1037 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1038 IW_AUTH_KEY_MGMT_PSK))
1039 return -EINVAL;
1040
1041 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1042 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1043 WLAN_AKM_SUITE_8021X;
1044 nr_akm_suites++;
1045 }
1046
1047 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1048 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1049 WLAN_AKM_SUITE_PSK;
1050 nr_akm_suites++;
1051 }
1052
1053 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1054
1055 return 0;
1056 }
1057
1058 int cfg80211_wext_siwauth(struct net_device *dev,
1059 struct iw_request_info *info,
1060 struct iw_param *data, char *extra)
1061 {
1062 struct wireless_dev *wdev = dev->ieee80211_ptr;
1063
1064 if (wdev->iftype != NL80211_IFTYPE_STATION)
1065 return -EOPNOTSUPP;
1066
1067 switch (data->flags & IW_AUTH_INDEX) {
1068 case IW_AUTH_PRIVACY_INVOKED:
1069 wdev->wext.connect.privacy = data->value;
1070 return 0;
1071 case IW_AUTH_WPA_VERSION:
1072 return cfg80211_set_wpa_version(wdev, data->value);
1073 case IW_AUTH_CIPHER_GROUP:
1074 return cfg80211_set_cipher_group(wdev, data->value);
1075 case IW_AUTH_KEY_MGMT:
1076 return cfg80211_set_key_mgt(wdev, data->value);
1077 case IW_AUTH_CIPHER_PAIRWISE:
1078 return cfg80211_set_cipher_pairwise(wdev, data->value);
1079 case IW_AUTH_80211_AUTH_ALG:
1080 return cfg80211_set_auth_alg(wdev, data->value);
1081 case IW_AUTH_WPA_ENABLED:
1082 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1083 case IW_AUTH_DROP_UNENCRYPTED:
1084 case IW_AUTH_MFP:
1085 return 0;
1086 default:
1087 return -EOPNOTSUPP;
1088 }
1089 }
1090 EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1091
1092 int cfg80211_wext_giwauth(struct net_device *dev,
1093 struct iw_request_info *info,
1094 struct iw_param *data, char *extra)
1095 {
1096 /* XXX: what do we need? */
1097
1098 return -EOPNOTSUPP;
1099 }
1100 EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
1101
1102 int cfg80211_wext_siwpower(struct net_device *dev,
1103 struct iw_request_info *info,
1104 struct iw_param *wrq, char *extra)
1105 {
1106 struct wireless_dev *wdev = dev->ieee80211_ptr;
1107 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1108 bool ps = wdev->ps;
1109 int timeout = wdev->ps_timeout;
1110 int err;
1111
1112 if (wdev->iftype != NL80211_IFTYPE_STATION)
1113 return -EINVAL;
1114
1115 if (!rdev->ops->set_power_mgmt)
1116 return -EOPNOTSUPP;
1117
1118 if (wrq->disabled) {
1119 ps = false;
1120 } else {
1121 switch (wrq->flags & IW_POWER_MODE) {
1122 case IW_POWER_ON: /* If not specified */
1123 case IW_POWER_MODE: /* If set all mask */
1124 case IW_POWER_ALL_R: /* If explicitely state all */
1125 ps = true;
1126 break;
1127 default: /* Otherwise we ignore */
1128 return -EINVAL;
1129 }
1130
1131 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1132 return -EINVAL;
1133
1134 if (wrq->flags & IW_POWER_TIMEOUT)
1135 timeout = wrq->value / 1000;
1136 }
1137
1138 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1139 if (err)
1140 return err;
1141
1142 wdev->ps = ps;
1143 wdev->ps_timeout = timeout;
1144
1145 return 0;
1146
1147 }
1148 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1149
1150 int cfg80211_wext_giwpower(struct net_device *dev,
1151 struct iw_request_info *info,
1152 struct iw_param *wrq, char *extra)
1153 {
1154 struct wireless_dev *wdev = dev->ieee80211_ptr;
1155
1156 wrq->disabled = !wdev->ps;
1157
1158 return 0;
1159 }
1160 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
1161
1162 static int cfg80211_wds_wext_siwap(struct net_device *dev,
1163 struct iw_request_info *info,
1164 struct sockaddr *addr, char *extra)
1165 {
1166 struct wireless_dev *wdev = dev->ieee80211_ptr;
1167 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1168 int err;
1169
1170 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1171 return -EINVAL;
1172
1173 if (addr->sa_family != ARPHRD_ETHER)
1174 return -EINVAL;
1175
1176 if (netif_running(dev))
1177 return -EBUSY;
1178
1179 if (!rdev->ops->set_wds_peer)
1180 return -EOPNOTSUPP;
1181
1182 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1183 if (err)
1184 return err;
1185
1186 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1187
1188 return 0;
1189 }
1190
1191 static int cfg80211_wds_wext_giwap(struct net_device *dev,
1192 struct iw_request_info *info,
1193 struct sockaddr *addr, char *extra)
1194 {
1195 struct wireless_dev *wdev = dev->ieee80211_ptr;
1196
1197 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1198 return -EINVAL;
1199
1200 addr->sa_family = ARPHRD_ETHER;
1201 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1202
1203 return 0;
1204 }
1205
1206 int cfg80211_wext_siwrate(struct net_device *dev,
1207 struct iw_request_info *info,
1208 struct iw_param *rate, char *extra)
1209 {
1210 struct wireless_dev *wdev = dev->ieee80211_ptr;
1211 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1212 struct cfg80211_bitrate_mask mask;
1213 u32 fixed, maxrate;
1214 struct ieee80211_supported_band *sband;
1215 int band, ridx;
1216 bool match = false;
1217
1218 if (!rdev->ops->set_bitrate_mask)
1219 return -EOPNOTSUPP;
1220
1221 memset(&mask, 0, sizeof(mask));
1222 fixed = 0;
1223 maxrate = (u32)-1;
1224
1225 if (rate->value < 0) {
1226 /* nothing */
1227 } else if (rate->fixed) {
1228 fixed = rate->value / 100000;
1229 } else {
1230 maxrate = rate->value / 100000;
1231 }
1232
1233 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1234 sband = wdev->wiphy->bands[band];
1235 if (sband == NULL)
1236 continue;
1237 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
1238 struct ieee80211_rate *srate = &sband->bitrates[ridx];
1239 if (fixed == srate->bitrate) {
1240 mask.control[band].legacy = 1 << ridx;
1241 match = true;
1242 break;
1243 }
1244 if (srate->bitrate <= maxrate) {
1245 mask.control[band].legacy |= 1 << ridx;
1246 match = true;
1247 }
1248 }
1249 }
1250
1251 if (!match)
1252 return -EINVAL;
1253
1254 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1255 }
1256 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1257
1258 int cfg80211_wext_giwrate(struct net_device *dev,
1259 struct iw_request_info *info,
1260 struct iw_param *rate, char *extra)
1261 {
1262 struct wireless_dev *wdev = dev->ieee80211_ptr;
1263 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1264 /* we are under RTNL - globally locked - so can use a static struct */
1265 static struct station_info sinfo;
1266 u8 addr[ETH_ALEN];
1267 int err;
1268
1269 if (wdev->iftype != NL80211_IFTYPE_STATION)
1270 return -EOPNOTSUPP;
1271
1272 if (!rdev->ops->get_station)
1273 return -EOPNOTSUPP;
1274
1275 err = 0;
1276 wdev_lock(wdev);
1277 if (wdev->current_bss)
1278 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
1279 else
1280 err = -EOPNOTSUPP;
1281 wdev_unlock(wdev);
1282 if (err)
1283 return err;
1284
1285 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1286 if (err)
1287 return err;
1288
1289 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1290 return -EOPNOTSUPP;
1291
1292 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
1293
1294 return 0;
1295 }
1296 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
1297
1298 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1299 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1300 {
1301 struct wireless_dev *wdev = dev->ieee80211_ptr;
1302 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1303 /* we are under RTNL - globally locked - so can use static structs */
1304 static struct iw_statistics wstats;
1305 static struct station_info sinfo;
1306 u8 bssid[ETH_ALEN];
1307
1308 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1309 return NULL;
1310
1311 if (!rdev->ops->get_station)
1312 return NULL;
1313
1314 /* Grab BSSID of current BSS, if any */
1315 wdev_lock(wdev);
1316 if (!wdev->current_bss) {
1317 wdev_unlock(wdev);
1318 return NULL;
1319 }
1320 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1321 wdev_unlock(wdev);
1322
1323 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
1324 return NULL;
1325
1326 memset(&wstats, 0, sizeof(wstats));
1327
1328 switch (rdev->wiphy.signal_type) {
1329 case CFG80211_SIGNAL_TYPE_MBM:
1330 if (sinfo.filled & STATION_INFO_SIGNAL) {
1331 int sig = sinfo.signal;
1332 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1333 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1334 wstats.qual.updated |= IW_QUAL_DBM;
1335 wstats.qual.level = sig;
1336 if (sig < -110)
1337 sig = -110;
1338 else if (sig > -40)
1339 sig = -40;
1340 wstats.qual.qual = sig + 110;
1341 break;
1342 }
1343 case CFG80211_SIGNAL_TYPE_UNSPEC:
1344 if (sinfo.filled & STATION_INFO_SIGNAL) {
1345 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1346 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1347 wstats.qual.level = sinfo.signal;
1348 wstats.qual.qual = sinfo.signal;
1349 break;
1350 }
1351 default:
1352 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1353 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1354 }
1355
1356 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1357
1358 return &wstats;
1359 }
1360 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
1361
1362 int cfg80211_wext_siwap(struct net_device *dev,
1363 struct iw_request_info *info,
1364 struct sockaddr *ap_addr, char *extra)
1365 {
1366 struct wireless_dev *wdev = dev->ieee80211_ptr;
1367
1368 switch (wdev->iftype) {
1369 case NL80211_IFTYPE_ADHOC:
1370 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1371 case NL80211_IFTYPE_STATION:
1372 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1373 case NL80211_IFTYPE_WDS:
1374 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1375 default:
1376 return -EOPNOTSUPP;
1377 }
1378 }
1379 EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1380
1381 int cfg80211_wext_giwap(struct net_device *dev,
1382 struct iw_request_info *info,
1383 struct sockaddr *ap_addr, char *extra)
1384 {
1385 struct wireless_dev *wdev = dev->ieee80211_ptr;
1386
1387 switch (wdev->iftype) {
1388 case NL80211_IFTYPE_ADHOC:
1389 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1390 case NL80211_IFTYPE_STATION:
1391 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1392 case NL80211_IFTYPE_WDS:
1393 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1394 default:
1395 return -EOPNOTSUPP;
1396 }
1397 }
1398 EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1399
1400 int cfg80211_wext_siwessid(struct net_device *dev,
1401 struct iw_request_info *info,
1402 struct iw_point *data, char *ssid)
1403 {
1404 struct wireless_dev *wdev = dev->ieee80211_ptr;
1405
1406 switch (wdev->iftype) {
1407 case NL80211_IFTYPE_ADHOC:
1408 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1409 case NL80211_IFTYPE_STATION:
1410 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1411 default:
1412 return -EOPNOTSUPP;
1413 }
1414 }
1415 EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1416
1417 int cfg80211_wext_giwessid(struct net_device *dev,
1418 struct iw_request_info *info,
1419 struct iw_point *data, char *ssid)
1420 {
1421 struct wireless_dev *wdev = dev->ieee80211_ptr;
1422
1423 switch (wdev->iftype) {
1424 case NL80211_IFTYPE_ADHOC:
1425 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1426 case NL80211_IFTYPE_STATION:
1427 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1428 default:
1429 return -EOPNOTSUPP;
1430 }
1431 }
1432 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
1433
1434 int cfg80211_wext_siwpmksa(struct net_device *dev,
1435 struct iw_request_info *info,
1436 struct iw_point *data, char *extra)
1437 {
1438 struct wireless_dev *wdev = dev->ieee80211_ptr;
1439 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1440 struct cfg80211_pmksa cfg_pmksa;
1441 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
1442
1443 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1444
1445 if (wdev->iftype != NL80211_IFTYPE_STATION)
1446 return -EINVAL;
1447
1448 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1449 cfg_pmksa.pmkid = pmksa->pmkid;
1450
1451 switch (pmksa->cmd) {
1452 case IW_PMKSA_ADD:
1453 if (!rdev->ops->set_pmksa)
1454 return -EOPNOTSUPP;
1455
1456 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1457
1458 case IW_PMKSA_REMOVE:
1459 if (!rdev->ops->del_pmksa)
1460 return -EOPNOTSUPP;
1461
1462 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1463
1464 case IW_PMKSA_FLUSH:
1465 if (!rdev->ops->flush_pmksa)
1466 return -EOPNOTSUPP;
1467
1468 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1469
1470 default:
1471 return -EOPNOTSUPP;
1472 }
1473 }
1474
1475 static const iw_handler cfg80211_handlers[] = {
1476 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1477 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1478 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1479 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1480 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1481 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1482 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1483 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1484 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1485 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1486 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1487 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1488 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1489 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1490 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1491 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1492 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1493 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1494 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1495 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1496 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1497 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1498 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1499 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1500 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1501 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1502 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1503 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1504 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1505 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1506 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
1507 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
1508 };
1509
1510 const struct iw_handler_def cfg80211_wext_handler = {
1511 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1512 .standard = cfg80211_handlers,
1513 .get_wireless_stats = cfg80211_wireless_stats,
1514 };
linux-next