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mac80211: Fix panic in aggregation handling
[net-next-2.6.git] / net / wireless / wext-compat.c
CommitLineData
fee52678
JB		 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 *
08645126 8 * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
fee52678
JB		 9 */
10
11#include <linux/wireless.h>
12#include <linux/nl80211.h>
691597cb 13#include <linux/if_arp.h>
08645126 14#include <linux/etherdevice.h>
fee52678 15#include <net/iw_handler.h>
fee52678 16#include <net/cfg80211.h>
0e82ffe3 17#include "wext-compat.h"
fee52678
JB		 18#include "core.h"
19
20int cfg80211_wext_giwname(struct net_device *dev,
21 struct iw_request_info *info,
22 char *name, char *extra)
23{
24 struct wireless_dev *wdev = dev->ieee80211_ptr;
25 struct ieee80211_supported_band *sband;
26 bool is_ht = false, is_a = false, is_b = false, is_g = false;
27
28 if (!wdev)
29 return -EOPNOTSUPP;
30
31 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
32 if (sband) {
33 is_a = true;
34 is_ht |= sband->ht_cap.ht_supported;
35 }
36
37 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
38 if (sband) {
39 int i;
40 /* Check for mandatory rates */
41 for (i = 0; i < sband->n_bitrates; i++) {
42 if (sband->bitrates[i].bitrate == 10)
43 is_b = true;
44 if (sband->bitrates[i].bitrate == 60)
45 is_g = true;
46 }
47 is_ht |= sband->ht_cap.ht_supported;
48 }
49
50 strcpy(name, "IEEE 802.11");
51 if (is_a)
52 strcat(name, "a");
53 if (is_b)
54 strcat(name, "b");
55 if (is_g)
56 strcat(name, "g");
57 if (is_ht)
58 strcat(name, "n");
59
60 return 0;
61}
ba44cb72 62EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
e60c7744
JB		 63
64int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
65 u32 *mode, char *extra)
66{
67 struct wireless_dev *wdev = dev->ieee80211_ptr;
68 struct cfg80211_registered_device *rdev;
69 struct vif_params vifparams;
70 enum nl80211_iftype type;
ac7f9cfa 71 int ret;
e60c7744 72
e60c7744
JB		 73 rdev = wiphy_to_dev(wdev->wiphy);
74
e60c7744
JB		 75 switch (*mode) {
76 case IW_MODE_INFRA:
77 type = NL80211_IFTYPE_STATION;
78 break;
79 case IW_MODE_ADHOC:
80 type = NL80211_IFTYPE_ADHOC;
81 break;
82 case IW_MODE_REPEAT:
83 type = NL80211_IFTYPE_WDS;
84 break;
85 case IW_MODE_MONITOR:
86 type = NL80211_IFTYPE_MONITOR;
87 break;
88 default:
89 return -EINVAL;
90 }
91
ac7f9cfa
JB		 92 if (type == wdev->iftype)
93 return 0;
94
e60c7744
JB		 95 memset(&vifparams, 0, sizeof(vifparams));
96
3d54d255
JB		 97 cfg80211_lock_rdev(rdev);
98 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
99 cfg80211_unlock_rdev(rdev);
ac7f9cfa
JB		 100
101 return ret;
e60c7744 102}
ba44cb72 103EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
e60c7744
JB		 104
105int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
106 u32 *mode, char *extra)
107{
108 struct wireless_dev *wdev = dev->ieee80211_ptr;
109
110 if (!wdev)
111 return -EOPNOTSUPP;
112
113 switch (wdev->iftype) {
114 case NL80211_IFTYPE_AP:
115 *mode = IW_MODE_MASTER;
116 break;
117 case NL80211_IFTYPE_STATION:
118 *mode = IW_MODE_INFRA;
119 break;
120 case NL80211_IFTYPE_ADHOC:
121 *mode = IW_MODE_ADHOC;
122 break;
123 case NL80211_IFTYPE_MONITOR:
124 *mode = IW_MODE_MONITOR;
125 break;
126 case NL80211_IFTYPE_WDS:
127 *mode = IW_MODE_REPEAT;
128 break;
129 case NL80211_IFTYPE_AP_VLAN:
130 *mode = IW_MODE_SECOND; /* FIXME */
131 break;
132 default:
133 *mode = IW_MODE_AUTO;
134 break;
135 }
136 return 0;
137}
ba44cb72 138EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
4aa188e1
JB		 139
140
141int cfg80211_wext_giwrange(struct net_device *dev,
142 struct iw_request_info *info,
143 struct iw_point *data, char *extra)
144{
145 struct wireless_dev *wdev = dev->ieee80211_ptr;
146 struct iw_range *range = (struct iw_range *) extra;
147 enum ieee80211_band band;
9834c079 148 int i, c = 0;
4aa188e1
JB		 149
150 if (!wdev)
151 return -EOPNOTSUPP;
152
153 data->length = sizeof(struct iw_range);
154 memset(range, 0, sizeof(struct iw_range));
155
156 range->we_version_compiled = WIRELESS_EXT;
157 range->we_version_source = 21;
158 range->retry_capa = IW_RETRY_LIMIT;
159 range->retry_flags = IW_RETRY_LIMIT;
160 range->min_retry = 0;
161 range->max_retry = 255;
162 range->min_rts = 0;
163 range->max_rts = 2347;
164 range->min_frag = 256;
165 range->max_frag = 2346;
166
4aa188e1
JB		 167 range->max_encoding_tokens = 4;
168
169 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
170
171 switch (wdev->wiphy->signal_type) {
172 case CFG80211_SIGNAL_TYPE_NONE:
173 break;
174 case CFG80211_SIGNAL_TYPE_MBM:
175 range->max_qual.level = -110;
176 range->max_qual.qual = 70;
177 range->avg_qual.qual = 35;
178 range->max_qual.updated |= IW_QUAL_DBM;
179 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
180 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
181 break;
182 case CFG80211_SIGNAL_TYPE_UNSPEC:
183 range->max_qual.level = 100;
184 range->max_qual.qual = 100;
185 range->avg_qual.qual = 50;
186 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
187 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
188 break;
189 }
190
191 range->avg_qual.level = range->max_qual.level / 2;
192 range->avg_qual.noise = range->max_qual.noise / 2;
193 range->avg_qual.updated = range->max_qual.updated;
194
9834c079
JB		 195 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
196 switch (wdev->wiphy->cipher_suites[i]) {
3daf0975 197 case WLAN_CIPHER_SUITE_TKIP:
27bea66c
DK		 198 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
199 IW_ENC_CAPA_WPA);
3daf0975
DK		 200 break;
201
202 case WLAN_CIPHER_SUITE_CCMP:
27bea66c
DK		 203 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
204 IW_ENC_CAPA_WPA2);
3daf0975 205 break;
2ab658f9
DK		 206
207 case WLAN_CIPHER_SUITE_WEP40:
208 range->encoding_size[range->num_encoding_sizes++] =
209 WLAN_KEY_LEN_WEP40;
210 break;
211
212 case WLAN_CIPHER_SUITE_WEP104:
213 range->encoding_size[range->num_encoding_sizes++] =
214 WLAN_KEY_LEN_WEP104;
215 break;
3daf0975
DK		 216 }
217 }
4aa188e1 218
4aa188e1 219 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
4aa188e1
JB		 220 struct ieee80211_supported_band *sband;
221
222 sband = wdev->wiphy->bands[band];
223
224 if (!sband)
225 continue;
226
227 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
228 struct ieee80211_channel *chan = &sband->channels[i];
229
230 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
231 range->freq[c].i =
232 ieee80211_frequency_to_channel(
233 chan->center_freq);
234 range->freq[c].m = chan->center_freq;
235 range->freq[c].e = 6;
236 c++;
237 }
238 }
239 }
240 range->num_channels = c;
241 range->num_frequency = c;
242
243 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
244 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
245 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
246
51cd4aab
DK		 247 if (wdev->wiphy->max_scan_ssids > 0)
248 range->scan_capa |= IW_SCAN_CAPA_ESSID;
4aa188e1
JB		 249
250 return 0;
251}
ba44cb72 252EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
691597cb 253
04a773ad
JB		 254
255/**
256 * cfg80211_wext_freq - get wext frequency for non-"auto"
257 * @wiphy: the wiphy
258 * @freq: the wext freq encoding
259 *
59bbb6f7 260 * Returns a frequency, or a negative error code, or 0 for auto.
04a773ad 261 */
59bbb6f7 262int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
04a773ad 263{
0b258582 264 /*
59bbb6f7 265 * Parse frequency - return 0 for auto and
0b258582
JB		 266 * -EINVAL for impossible things.
267 */
04a773ad
JB		 268 if (freq->e == 0) {
269 if (freq->m < 0)
59bbb6f7
JB		 270 return 0;
271 return ieee80211_channel_to_frequency(freq->m);
04a773ad
JB		 272 } else {
273 int i, div = 1000000;
274 for (i = 0; i < freq->e; i++)
275 div /= 10;
0b258582 276 if (div <= 0)
59bbb6f7
JB		 277 return -EINVAL;
278 return freq->m / div;
04a773ad 279 }
04a773ad 280}
b9a5f8ca
JM		 281
282int cfg80211_wext_siwrts(struct net_device *dev,
283 struct iw_request_info *info,
284 struct iw_param *rts, char *extra)
285{
286 struct wireless_dev *wdev = dev->ieee80211_ptr;
287 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
288 u32 orts = wdev->wiphy->rts_threshold;
289 int err;
290
291 if (rts->disabled || !rts->fixed)
292 wdev->wiphy->rts_threshold = (u32) -1;
293 else if (rts->value < 0)
294 return -EINVAL;
295 else
296 wdev->wiphy->rts_threshold = rts->value;
297
298 err = rdev->ops->set_wiphy_params(wdev->wiphy,
299 WIPHY_PARAM_RTS_THRESHOLD);
300 if (err)
301 wdev->wiphy->rts_threshold = orts;
302
303 return err;
304}
ba44cb72 305EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
b9a5f8ca
JM		 306
307int cfg80211_wext_giwrts(struct net_device *dev,
308 struct iw_request_info *info,
309 struct iw_param *rts, char *extra)
310{
311 struct wireless_dev *wdev = dev->ieee80211_ptr;
312
313 rts->value = wdev->wiphy->rts_threshold;
314 rts->disabled = rts->value == (u32) -1;
315 rts->fixed = 1;
316
317 return 0;
318}
ba44cb72 319EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
b9a5f8ca
JM		 320
321int cfg80211_wext_siwfrag(struct net_device *dev,
322 struct iw_request_info *info,
323 struct iw_param *frag, char *extra)
324{
325 struct wireless_dev *wdev = dev->ieee80211_ptr;
326 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
327 u32 ofrag = wdev->wiphy->frag_threshold;
328 int err;
329
330 if (frag->disabled || !frag->fixed)
331 wdev->wiphy->frag_threshold = (u32) -1;
332 else if (frag->value < 256)
333 return -EINVAL;
334 else {
335 /* Fragment length must be even, so strip LSB. */
336 wdev->wiphy->frag_threshold = frag->value & ~0x1;
337 }
338
339 err = rdev->ops->set_wiphy_params(wdev->wiphy,
340 WIPHY_PARAM_FRAG_THRESHOLD);
341 if (err)
342 wdev->wiphy->frag_threshold = ofrag;
343
344 return err;
345}
ba44cb72 346EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
b9a5f8ca
JM		 347
348int cfg80211_wext_giwfrag(struct net_device *dev,
349 struct iw_request_info *info,
350 struct iw_param *frag, char *extra)
351{
352 struct wireless_dev *wdev = dev->ieee80211_ptr;
353
354 frag->value = wdev->wiphy->frag_threshold;
355 frag->disabled = frag->value == (u32) -1;
356 frag->fixed = 1;
357
358 return 0;
359}
ba44cb72 360EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
b9a5f8ca
JM		 361
362int cfg80211_wext_siwretry(struct net_device *dev,
363 struct iw_request_info *info,
364 struct iw_param *retry, char *extra)
365{
366 struct wireless_dev *wdev = dev->ieee80211_ptr;
367 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
368 u32 changed = 0;
369 u8 olong = wdev->wiphy->retry_long;
370 u8 oshort = wdev->wiphy->retry_short;
371 int err;
372
373 if (retry->disabled ||
374 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
375 return -EINVAL;
376
377 if (retry->flags & IW_RETRY_LONG) {
378 wdev->wiphy->retry_long = retry->value;
379 changed |= WIPHY_PARAM_RETRY_LONG;
380 } else if (retry->flags & IW_RETRY_SHORT) {
381 wdev->wiphy->retry_short = retry->value;
382 changed |= WIPHY_PARAM_RETRY_SHORT;
383 } else {
384 wdev->wiphy->retry_short = retry->value;
385 wdev->wiphy->retry_long = retry->value;
386 changed |= WIPHY_PARAM_RETRY_LONG;
387 changed |= WIPHY_PARAM_RETRY_SHORT;
388 }
389
390 if (!changed)
391 return 0;
392
393 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
394 if (err) {
395 wdev->wiphy->retry_short = oshort;
396 wdev->wiphy->retry_long = olong;
397 }
398
399 return err;
400}
ba44cb72 401EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
b9a5f8ca
JM		 402
403int cfg80211_wext_giwretry(struct net_device *dev,
404 struct iw_request_info *info,
405 struct iw_param *retry, char *extra)
406{
407 struct wireless_dev *wdev = dev->ieee80211_ptr;
408
409 retry->disabled = 0;
410
411 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
412 /*
413 * First return short value, iwconfig will ask long value
414 * later if needed
415 */
416 retry->flags |= IW_RETRY_LIMIT;
417 retry->value = wdev->wiphy->retry_short;
418 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
419 retry->flags |= IW_RETRY_LONG;
420
421 return 0;
422 }
423
424 if (retry->flags & IW_RETRY_LONG) {
425 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
426 retry->value = wdev->wiphy->retry_long;
427 }
428
429 return 0;
430}
ba44cb72 431EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
08645126 432
fffd0934
JB		 433static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
434 struct net_device *dev, const u8 *addr,
435 bool remove, bool tx_key, int idx,
436 struct key_params *params)
08645126
JB		 437{
438 struct wireless_dev *wdev = dev->ieee80211_ptr;
fffd0934
JB		 439 int err, i;
440
441 if (!wdev->wext.keys) {
442 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
443 GFP_KERNEL);
444 if (!wdev->wext.keys)
445 return -ENOMEM;
446 for (i = 0; i < 6; i++)
447 wdev->wext.keys->params[i].key =
448 wdev->wext.keys->data[i];
449 }
450
451 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
452 wdev->iftype != NL80211_IFTYPE_STATION)
453 return -EOPNOTSUPP;
08645126
JB		 454
455 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
fffd0934
JB		 456 if (!wdev->current_bss)
457 return -ENOLINK;
458
08645126
JB		 459 if (!rdev->ops->set_default_mgmt_key)
460 return -EOPNOTSUPP;
461
462 if (idx < 4 || idx > 5)
463 return -EINVAL;
464 } else if (idx < 0 || idx > 3)
465 return -EINVAL;
466
467 if (remove) {
fffd0934
JB		 468 err = 0;
469 if (wdev->current_bss)
470 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
08645126 471 if (!err) {
fffd0934
JB		 472 if (!addr) {
473 wdev->wext.keys->params[idx].key_len = 0;
474 wdev->wext.keys->params[idx].cipher = 0;
475 }
08645126
JB		 476 if (idx == wdev->wext.default_key)
477 wdev->wext.default_key = -1;
478 else if (idx == wdev->wext.default_mgmt_key)
479 wdev->wext.default_mgmt_key = -1;
480 }
e3da574a
JB		 481 /*
482 * Applications using wireless extensions expect to be
483 * able to delete keys that don't exist, so allow that.
484 */
485 if (err == -ENOENT)
486 return 0;
487
08645126 488 return err;
fffd0934 489 }
08645126 490
fffd0934
JB		 491 if (addr)
492 tx_key = false;
493
494 if (cfg80211_validate_key_settings(rdev, params, idx, addr))
495 return -EINVAL;
08645126 496
fffd0934
JB		 497 err = 0;
498 if (wdev->current_bss)
08645126 499 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
fffd0934
JB		 500 if (err)
501 return err;
502
503 if (!addr) {
504 wdev->wext.keys->params[idx] = *params;
505 memcpy(wdev->wext.keys->data[idx],
506 params->key, params->key_len);
507 wdev->wext.keys->params[idx].key =
508 wdev->wext.keys->data[idx];
509 }
08645126 510
1f00fca5
ZY		 511 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
512 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
fffd0934
JB		 513 (tx_key || (!addr && wdev->wext.default_key == -1))) {
514 if (wdev->current_bss)
08645126
JB		 515 err = rdev->ops->set_default_key(&rdev->wiphy,
516 dev, idx);
fffd0934
JB		 517 if (!err)
518 wdev->wext.default_key = idx;
519 return err;
520 }
08645126 521
fffd0934
JB		 522 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
523 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
524 if (wdev->current_bss)
08645126
JB		 525 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
526 dev, idx);
fffd0934
JB		 527 if (!err)
528 wdev->wext.default_mgmt_key = idx;
529 return err;
08645126 530 }
fffd0934
JB		 531
532 return 0;
533}
534
535static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
536 struct net_device *dev, const u8 *addr,
537 bool remove, bool tx_key, int idx,
538 struct key_params *params)
539{
540 int err;
541
542 wdev_lock(dev->ieee80211_ptr);
543 err = __cfg80211_set_encryption(rdev, dev, addr, remove,
544 tx_key, idx, params);
545 wdev_unlock(dev->ieee80211_ptr);
546
547 return err;
08645126
JB		 548}
549
550int cfg80211_wext_siwencode(struct net_device *dev,
551 struct iw_request_info *info,
552 struct iw_point *erq, char *keybuf)
553{
554 struct wireless_dev *wdev = dev->ieee80211_ptr;
555 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
556 int idx, err;
557 bool remove = false;
558 struct key_params params;
559
fffd0934
JB		 560 if (wdev->iftype != NL80211_IFTYPE_STATION &&
561 wdev->iftype != NL80211_IFTYPE_ADHOC)
562 return -EOPNOTSUPP;
563
08645126
JB		 564 /* no use -- only MFP (set_default_mgmt_key) is optional */
565 if (!rdev->ops->del_key ||
566 !rdev->ops->add_key ||
567 !rdev->ops->set_default_key)
568 return -EOPNOTSUPP;
569
570 idx = erq->flags & IW_ENCODE_INDEX;
571 if (idx == 0) {
572 idx = wdev->wext.default_key;
573 if (idx < 0)
574 idx = 0;
575 } else if (idx < 1 || idx > 4)
576 return -EINVAL;
577 else
578 idx--;
579
580 if (erq->flags & IW_ENCODE_DISABLED)
581 remove = true;
582 else if (erq->length == 0) {
583 /* No key data - just set the default TX key index */
fffd0934
JB		 584 err = 0;
585 wdev_lock(wdev);
586 if (wdev->current_bss)
587 err = rdev->ops->set_default_key(&rdev->wiphy,
588 dev, idx);
08645126
JB		 589 if (!err)
590 wdev->wext.default_key = idx;
fffd0934 591 wdev_unlock(wdev);
08645126
JB		 592 return err;
593 }
594
595 memset(&params, 0, sizeof(params));
596 params.key = keybuf;
597 params.key_len = erq->length;
598 if (erq->length == 5)
599 params.cipher = WLAN_CIPHER_SUITE_WEP40;
600 else if (erq->length == 13)
601 params.cipher = WLAN_CIPHER_SUITE_WEP104;
602 else if (!remove)
603 return -EINVAL;
604
605 return cfg80211_set_encryption(rdev, dev, NULL, remove,
606 wdev->wext.default_key == -1,
607 idx, &params);
608}
609EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
610
611int cfg80211_wext_siwencodeext(struct net_device *dev,
612 struct iw_request_info *info,
613 struct iw_point *erq, char *extra)
614{
615 struct wireless_dev *wdev = dev->ieee80211_ptr;
616 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
617 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
618 const u8 *addr;
619 int idx;
620 bool remove = false;
621 struct key_params params;
622 u32 cipher;
623
fffd0934
JB		 624 if (wdev->iftype != NL80211_IFTYPE_STATION &&
625 wdev->iftype != NL80211_IFTYPE_ADHOC)
626 return -EOPNOTSUPP;
627
08645126
JB		 628 /* no use -- only MFP (set_default_mgmt_key) is optional */
629 if (!rdev->ops->del_key ||
630 !rdev->ops->add_key ||
631 !rdev->ops->set_default_key)
632 return -EOPNOTSUPP;
633
634 switch (ext->alg) {
635 case IW_ENCODE_ALG_NONE:
636 remove = true;
637 cipher = 0;
638 break;
639 case IW_ENCODE_ALG_WEP:
640 if (ext->key_len == 5)
641 cipher = WLAN_CIPHER_SUITE_WEP40;
642 else if (ext->key_len == 13)
643 cipher = WLAN_CIPHER_SUITE_WEP104;
644 else
645 return -EINVAL;
646 break;
647 case IW_ENCODE_ALG_TKIP:
648 cipher = WLAN_CIPHER_SUITE_TKIP;
649 break;
650 case IW_ENCODE_ALG_CCMP:
651 cipher = WLAN_CIPHER_SUITE_CCMP;
652 break;
653 case IW_ENCODE_ALG_AES_CMAC:
654 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
655 break;
656 default:
657 return -EOPNOTSUPP;
658 }
659
660 if (erq->flags & IW_ENCODE_DISABLED)
661 remove = true;
662
663 idx = erq->flags & IW_ENCODE_INDEX;
664 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
665 if (idx < 4 || idx > 5) {
666 idx = wdev->wext.default_mgmt_key;
667 if (idx < 0)
668 return -EINVAL;
669 } else
670 idx--;
671 } else {
672 if (idx < 1 || idx > 4) {
673 idx = wdev->wext.default_key;
674 if (idx < 0)
675 return -EINVAL;
676 } else
677 idx--;
678 }
679
680 addr = ext->addr.sa_data;
681 if (is_broadcast_ether_addr(addr))
682 addr = NULL;
683
684 memset(&params, 0, sizeof(params));
685 params.key = ext->key;
686 params.key_len = ext->key_len;
687 params.cipher = cipher;
688
faa8fdc8
JM		 689 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
690 params.seq = ext->rx_seq;
691 params.seq_len = 6;
692 }
693
08645126
JB		 694 return cfg80211_set_encryption(
695 rdev, dev, addr, remove,
696 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
697 idx, &params);
698}
699EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
700
08645126
JB		 701int cfg80211_wext_giwencode(struct net_device *dev,
702 struct iw_request_info *info,
703 struct iw_point *erq, char *keybuf)
704{
705 struct wireless_dev *wdev = dev->ieee80211_ptr;
fffd0934 706 int idx;
08645126 707
fffd0934
JB		 708 if (wdev->iftype != NL80211_IFTYPE_STATION &&
709 wdev->iftype != NL80211_IFTYPE_ADHOC)
08645126
JB		 710 return -EOPNOTSUPP;
711
712 idx = erq->flags & IW_ENCODE_INDEX;
713 if (idx == 0) {
714 idx = wdev->wext.default_key;
715 if (idx < 0)
716 idx = 0;
717 } else if (idx < 1 || idx > 4)
718 return -EINVAL;
719 else
720 idx--;
721
722 erq->flags = idx + 1;
723
fffd0934 724 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
08645126
JB		 725 erq->flags |= IW_ENCODE_DISABLED;
726 erq->length = 0;
727 return 0;
728 }
729
fffd0934
JB		 730 erq->length = min_t(size_t, erq->length,
731 wdev->wext.keys->params[idx].key_len);
732 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
733 erq->flags |= IW_ENCODE_ENABLED;
734
735 return 0;
08645126
JB		 736}
737EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
7643a2c3 738
0e82ffe3
JB		 739int cfg80211_wext_siwfreq(struct net_device *dev,
740 struct iw_request_info *info,
59bbb6f7 741 struct iw_freq *wextfreq, char *extra)
0e82ffe3
JB		 742{
743 struct wireless_dev *wdev = dev->ieee80211_ptr;
744 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 745 int freq, err;
0e82ffe3
JB		 746
747 switch (wdev->iftype) {
748 case NL80211_IFTYPE_STATION:
59bbb6f7 749 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 750 case NL80211_IFTYPE_ADHOC:
59bbb6f7 751 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 752 default:
59bbb6f7
JB		 753 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
754 if (freq < 0)
755 return freq;
756 if (freq == 0)
0e82ffe3 757 return -EINVAL;
59bbb6f7 758 mutex_lock(&rdev->devlist_mtx);
4b181144 759 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
59bbb6f7
JB		 760 mutex_unlock(&rdev->devlist_mtx);
761 return err;
0e82ffe3
JB		 762 }
763}
a8b875e7 764EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
0e82ffe3
JB		 765
766int cfg80211_wext_giwfreq(struct net_device *dev,
767 struct iw_request_info *info,
768 struct iw_freq *freq, char *extra)
769{
770 struct wireless_dev *wdev = dev->ieee80211_ptr;
771 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
772
773 switch (wdev->iftype) {
774 case NL80211_IFTYPE_STATION:
775 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
776 case NL80211_IFTYPE_ADHOC:
777 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
778 default:
779 if (!rdev->channel)
780 return -EINVAL;
781 freq->m = rdev->channel->center_freq;
782 freq->e = 6;
783 return 0;
784 }
785}
786EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
787
7643a2c3
JB		 788int cfg80211_wext_siwtxpower(struct net_device *dev,
789 struct iw_request_info *info,
790 union iwreq_data *data, char *extra)
791{
792 struct wireless_dev *wdev = dev->ieee80211_ptr;
793 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
794 enum tx_power_setting type;
795 int dbm = 0;
796
797 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
798 return -EINVAL;
799 if (data->txpower.flags & IW_TXPOW_RANGE)
800 return -EINVAL;
801
802 if (!rdev->ops->set_tx_power)
803 return -EOPNOTSUPP;
804
805 /* only change when not disabling */
806 if (!data->txpower.disabled) {
1f87f7d3
JB		 807 rfkill_set_sw_state(rdev->rfkill, false);
808
7643a2c3
JB		 809 if (data->txpower.fixed) {
810 /*
811 * wext doesn't support negative values, see
812 * below where it's for automatic
813 */
814 if (data->txpower.value < 0)
815 return -EINVAL;
816 dbm = data->txpower.value;
817 type = TX_POWER_FIXED;
818 /* TODO: do regulatory check! */
819 } else {
820 /*
821 * Automatic power level setting, max being the value
822 * passed in from userland.
823 */
824 if (data->txpower.value < 0) {
825 type = TX_POWER_AUTOMATIC;
826 } else {
827 dbm = data->txpower.value;
828 type = TX_POWER_LIMITED;
829 }
830 }
831 } else {
1f87f7d3
JB		 832 rfkill_set_sw_state(rdev->rfkill, true);
833 schedule_work(&rdev->rfkill_sync);
834 return 0;
7643a2c3
JB		 835 }
836
a419aef8 837 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
7643a2c3
JB		 838}
839EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
840
841int cfg80211_wext_giwtxpower(struct net_device *dev,
842 struct iw_request_info *info,
843 union iwreq_data *data, char *extra)
844{
845 struct wireless_dev *wdev = dev->ieee80211_ptr;
846 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
847 int err, val;
848
849 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
850 return -EINVAL;
851 if (data->txpower.flags & IW_TXPOW_RANGE)
852 return -EINVAL;
853
854 if (!rdev->ops->get_tx_power)
855 return -EOPNOTSUPP;
856
857 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
1f87f7d3 858 if (err)
7643a2c3
JB		 859 return err;
860
861 /* well... oh well */
862 data->txpower.fixed = 1;
1f87f7d3 863 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
7643a2c3
JB		 864 data->txpower.value = val;
865 data->txpower.flags = IW_TXPOW_DBM;
866
867 return 0;
868}
869EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
f2129354
JB		 870
871static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
872 s32 auth_alg)
873{
874 int nr_alg = 0;
875
876 if (!auth_alg)
877 return -EINVAL;
878
879 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
880 IW_AUTH_ALG_SHARED_KEY |
881 IW_AUTH_ALG_LEAP))
882 return -EINVAL;
883
884 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
885 nr_alg++;
886 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
887 }
888
889 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
890 nr_alg++;
891 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
892 }
893
894 if (auth_alg & IW_AUTH_ALG_LEAP) {
895 nr_alg++;
896 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
897 }
898
899 if (nr_alg > 1)
900 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
901
902 return 0;
903}
904
905static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
906{
f2129354 907 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
323d566e
GS		 908 IW_AUTH_WPA_VERSION_WPA2|
909 IW_AUTH_WPA_VERSION_DISABLED))
f2129354
JB		 910 return -EINVAL;
911
323d566e
GS		 912 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
913 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
914 IW_AUTH_WPA_VERSION_WPA2)))
915 return -EINVAL;
916
917 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
918 wdev->wext.connect.crypto.wpa_versions &=
919 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
920
f2129354
JB		 921 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
922 wdev->wext.connect.crypto.wpa_versions |=
923 NL80211_WPA_VERSION_1;
924
925 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
926 wdev->wext.connect.crypto.wpa_versions |=
927 NL80211_WPA_VERSION_2;
928
929 return 0;
930}
931
4f5dadce 932static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
f2129354 933{
f2129354
JB		 934 if (cipher & IW_AUTH_CIPHER_WEP40)
935 wdev->wext.connect.crypto.cipher_group =
936 WLAN_CIPHER_SUITE_WEP40;
937 else if (cipher & IW_AUTH_CIPHER_WEP104)
938 wdev->wext.connect.crypto.cipher_group =
939 WLAN_CIPHER_SUITE_WEP104;
940 else if (cipher & IW_AUTH_CIPHER_TKIP)
941 wdev->wext.connect.crypto.cipher_group =
942 WLAN_CIPHER_SUITE_TKIP;
943 else if (cipher & IW_AUTH_CIPHER_CCMP)
944 wdev->wext.connect.crypto.cipher_group =
945 WLAN_CIPHER_SUITE_CCMP;
946 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
947 wdev->wext.connect.crypto.cipher_group =
948 WLAN_CIPHER_SUITE_AES_CMAC;
c5f8289c
JM		 949 else if (cipher & IW_AUTH_CIPHER_NONE)
950 wdev->wext.connect.crypto.cipher_group = 0;
f2129354
JB		 951 else
952 return -EINVAL;
953
954 return 0;
955}
956
4f5dadce 957static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
f2129354
JB		 958{
959 int nr_ciphers = 0;
960 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
961
962 if (cipher & IW_AUTH_CIPHER_WEP40) {
963 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
964 nr_ciphers++;
965 }
966
967 if (cipher & IW_AUTH_CIPHER_WEP104) {
968 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
969 nr_ciphers++;
970 }
971
972 if (cipher & IW_AUTH_CIPHER_TKIP) {
973 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
974 nr_ciphers++;
975 }
976
977 if (cipher & IW_AUTH_CIPHER_CCMP) {
978 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
979 nr_ciphers++;
980 }
981
982 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
983 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
984 nr_ciphers++;
985 }
986
987 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
988
989 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
990
991 return 0;
992}
993
994
4f5dadce 995static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
f2129354
JB		 996{
997 int nr_akm_suites = 0;
998
999 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1000 IW_AUTH_KEY_MGMT_PSK))
1001 return -EINVAL;
1002
1003 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1004 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1005 WLAN_AKM_SUITE_8021X;
1006 nr_akm_suites++;
1007 }
1008
1009 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1010 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1011 WLAN_AKM_SUITE_PSK;
1012 nr_akm_suites++;
1013 }
1014
1015 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1016
1017 return 0;
1018}
1019
1020int cfg80211_wext_siwauth(struct net_device *dev,
1021 struct iw_request_info *info,
1022 struct iw_param *data, char *extra)
1023{
1024 struct wireless_dev *wdev = dev->ieee80211_ptr;
1025
1026 if (wdev->iftype != NL80211_IFTYPE_STATION)
1027 return -EOPNOTSUPP;
1028
1029 switch (data->flags & IW_AUTH_INDEX) {
1030 case IW_AUTH_PRIVACY_INVOKED:
1031 wdev->wext.connect.privacy = data->value;
1032 return 0;
1033 case IW_AUTH_WPA_VERSION:
1034 return cfg80211_set_wpa_version(wdev, data->value);
1035 case IW_AUTH_CIPHER_GROUP:
1036 return cfg80211_set_cipher_group(wdev, data->value);
1037 case IW_AUTH_KEY_MGMT:
1038 return cfg80211_set_key_mgt(wdev, data->value);
1039 case IW_AUTH_CIPHER_PAIRWISE:
1040 return cfg80211_set_cipher_pairwise(wdev, data->value);
1041 case IW_AUTH_80211_AUTH_ALG:
1042 return cfg80211_set_auth_alg(wdev, data->value);
1043 case IW_AUTH_WPA_ENABLED:
1044 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1045 case IW_AUTH_DROP_UNENCRYPTED:
1046 case IW_AUTH_MFP:
1047 return 0;
1048 default:
1049 return -EOPNOTSUPP;
1050 }
1051}
1052EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1053
1054int cfg80211_wext_giwauth(struct net_device *dev,
1055 struct iw_request_info *info,
1056 struct iw_param *data, char *extra)
1057{
1058 /* XXX: what do we need? */
1059
1060 return -EOPNOTSUPP;
1061}
1062EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
bc92afd9
JB		 1063
1064int cfg80211_wext_siwpower(struct net_device *dev,
1065 struct iw_request_info *info,
1066 struct iw_param *wrq, char *extra)
1067{
1068 struct wireless_dev *wdev = dev->ieee80211_ptr;
1069 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1070 bool ps = wdev->wext.ps;
1071 int timeout = wdev->wext.ps_timeout;
1072 int err;
1073
1074 if (wdev->iftype != NL80211_IFTYPE_STATION)
1075 return -EINVAL;
1076
1077 if (!rdev->ops->set_power_mgmt)
1078 return -EOPNOTSUPP;
1079
1080 if (wrq->disabled) {
1081 ps = false;
1082 } else {
1083 switch (wrq->flags & IW_POWER_MODE) {
1084 case IW_POWER_ON: /* If not specified */
1085 case IW_POWER_MODE: /* If set all mask */
1086 case IW_POWER_ALL_R: /* If explicitely state all */
1087 ps = true;
1088 break;
1089 default: /* Otherwise we ignore */
1090 return -EINVAL;
1091 }
1092
1093 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1094 return -EINVAL;
1095
1096 if (wrq->flags & IW_POWER_TIMEOUT)
1097 timeout = wrq->value / 1000;
1098 }
1099
1100 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1101 if (err)
1102 return err;
1103
1104 wdev->wext.ps = ps;
1105 wdev->wext.ps_timeout = timeout;
1106
1107 return 0;
1108
1109}
1110EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1111
1112int cfg80211_wext_giwpower(struct net_device *dev,
1113 struct iw_request_info *info,
1114 struct iw_param *wrq, char *extra)
1115{
1116 struct wireless_dev *wdev = dev->ieee80211_ptr;
1117
1118 wrq->disabled = !wdev->wext.ps;
1119
1120 return 0;
1121}
1122EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
ab737a4f 1123
562e4822
JB		 1124static int cfg80211_wds_wext_siwap(struct net_device *dev,
1125 struct iw_request_info *info,
1126 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1127{
1128 struct wireless_dev *wdev = dev->ieee80211_ptr;
1129 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1130 int err;
1131
1132 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1133 return -EINVAL;
1134
1135 if (addr->sa_family != ARPHRD_ETHER)
1136 return -EINVAL;
1137
1138 if (netif_running(dev))
1139 return -EBUSY;
1140
1141 if (!rdev->ops->set_wds_peer)
1142 return -EOPNOTSUPP;
1143
1144 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1145 if (err)
1146 return err;
1147
1148 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1149
1150 return 0;
1151}
ab737a4f 1152
562e4822
JB		 1153static int cfg80211_wds_wext_giwap(struct net_device *dev,
1154 struct iw_request_info *info,
1155 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1156{
1157 struct wireless_dev *wdev = dev->ieee80211_ptr;
1158
1159 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1160 return -EINVAL;
1161
1162 addr->sa_family = ARPHRD_ETHER;
1163 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1164
1165 return 0;
1166}
9930380f
JB		 1167
1168int cfg80211_wext_siwrate(struct net_device *dev,
1169 struct iw_request_info *info,
1170 struct iw_param *rate, char *extra)
1171{
1172 struct wireless_dev *wdev = dev->ieee80211_ptr;
1173 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1174 struct cfg80211_bitrate_mask mask;
1175
1176 if (!rdev->ops->set_bitrate_mask)
1177 return -EOPNOTSUPP;
1178
1179 mask.fixed = 0;
1180 mask.maxrate = 0;
1181
1182 if (rate->value < 0) {
1183 /* nothing */
1184 } else if (rate->fixed) {
1185 mask.fixed = rate->value / 1000; /* kbps */
1186 } else {
1187 mask.maxrate = rate->value / 1000; /* kbps */
1188 }
1189
1190 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1191}
1192EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1193
1194int cfg80211_wext_giwrate(struct net_device *dev,
1195 struct iw_request_info *info,
1196 struct iw_param *rate, char *extra)
1197{
1198 struct wireless_dev *wdev = dev->ieee80211_ptr;
1199 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1200 /* we are under RTNL - globally locked - so can use a static struct */
1201 static struct station_info sinfo;
a71d62db 1202 u8 addr[ETH_ALEN];
9930380f
JB		 1203 int err;
1204
1205 if (wdev->iftype != NL80211_IFTYPE_STATION)
1206 return -EOPNOTSUPP;
1207
1208 if (!rdev->ops->get_station)
1209 return -EOPNOTSUPP;
1210
a71d62db
JB		 1211 err = 0;
1212 wdev_lock(wdev);
6c230c02 1213 if (wdev->current_bss)
a71d62db 1214 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
6c230c02 1215 else
a71d62db
JB		 1216 err = -EOPNOTSUPP;
1217 wdev_unlock(wdev);
1218 if (err)
1219 return err;
9930380f
JB		 1220
1221 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1222 if (err)
1223 return err;
1224
1225 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1226 return -EOPNOTSUPP;
1227
1228 rate->value = 0;
1229
1230 if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
1231 rate->value = 100000 * sinfo.txrate.legacy;
1232
1233 return 0;
1234}
1235EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
8990646d
JB		 1236
1237/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1238struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1239{
1240 struct wireless_dev *wdev = dev->ieee80211_ptr;
1241 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1242 /* we are under RTNL - globally locked - so can use static structs */
1243 static struct iw_statistics wstats;
1244 static struct station_info sinfo;
c56c5714 1245 u8 bssid[ETH_ALEN];
8990646d
JB		 1246
1247 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1248 return NULL;
1249
1250 if (!rdev->ops->get_station)
1251 return NULL;
1252
c56c5714
JB		 1253 /* Grab BSSID of current BSS, if any */
1254 wdev_lock(wdev);
1255 if (!wdev->current_bss) {
1256 wdev_unlock(wdev);
8990646d 1257 return NULL;
c56c5714
JB		 1258 }
1259 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1260 wdev_unlock(wdev);
8990646d 1261
c56c5714 1262 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
8990646d
JB		 1263 return NULL;
1264
1265 memset(&wstats, 0, sizeof(wstats));
1266
1267 switch (rdev->wiphy.signal_type) {
1268 case CFG80211_SIGNAL_TYPE_MBM:
1269 if (sinfo.filled & STATION_INFO_SIGNAL) {
1270 int sig = sinfo.signal;
1271 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1272 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1273 wstats.qual.updated |= IW_QUAL_DBM;
1274 wstats.qual.level = sig;
1275 if (sig < -110)
1276 sig = -110;
1277 else if (sig > -40)
1278 sig = -40;
1279 wstats.qual.qual = sig + 110;
1280 break;
1281 }
1282 case CFG80211_SIGNAL_TYPE_UNSPEC:
1283 if (sinfo.filled & STATION_INFO_SIGNAL) {
1284 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1285 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1286 wstats.qual.level = sinfo.signal;
1287 wstats.qual.qual = sinfo.signal;
1288 break;
1289 }
1290 default:
1291 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1292 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1293 }
1294
1295 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1296
1297 return &wstats;
1298}
1299EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
562e4822
JB		 1300
1301int cfg80211_wext_siwap(struct net_device *dev,
1302 struct iw_request_info *info,
1303 struct sockaddr *ap_addr, char *extra)
1304{
1305 struct wireless_dev *wdev = dev->ieee80211_ptr;
1306
1307 switch (wdev->iftype) {
1308 case NL80211_IFTYPE_ADHOC:
1309 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1310 case NL80211_IFTYPE_STATION:
1311 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1312 case NL80211_IFTYPE_WDS:
1313 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1314 default:
1315 return -EOPNOTSUPP;
1316 }
1317}
1318EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1319
1320int cfg80211_wext_giwap(struct net_device *dev,
1321 struct iw_request_info *info,
1322 struct sockaddr *ap_addr, char *extra)
1323{
1324 struct wireless_dev *wdev = dev->ieee80211_ptr;
1325
1326 switch (wdev->iftype) {
1327 case NL80211_IFTYPE_ADHOC:
1328 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1329 case NL80211_IFTYPE_STATION:
1330 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1331 case NL80211_IFTYPE_WDS:
1332 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1333 default:
1334 return -EOPNOTSUPP;
1335 }
1336}
1337EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1f9298f9
JB		 1338
1339int cfg80211_wext_siwessid(struct net_device *dev,
1340 struct iw_request_info *info,
1341 struct iw_point *data, char *ssid)
1342{
1343 struct wireless_dev *wdev = dev->ieee80211_ptr;
1344
1345 switch (wdev->iftype) {
1346 case NL80211_IFTYPE_ADHOC:
1347 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1348 case NL80211_IFTYPE_STATION:
1349 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1350 default:
1351 return -EOPNOTSUPP;
1352 }
1353}
1354EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1355
1356int cfg80211_wext_giwessid(struct net_device *dev,
1357 struct iw_request_info *info,
1358 struct iw_point *data, char *ssid)
1359{
1360 struct wireless_dev *wdev = dev->ieee80211_ptr;
1361
1362 switch (wdev->iftype) {
1363 case NL80211_IFTYPE_ADHOC:
1364 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1365 case NL80211_IFTYPE_STATION:
1366 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1367 default:
1368 return -EOPNOTSUPP;
1369 }
1370}
1371EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
a9a11622
JB		 1372
1373static const iw_handler cfg80211_handlers[] = {
1374 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1375 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1376 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1377 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1378 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1379 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1380 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1381 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1382 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1383 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1384 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1385 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1386 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1387 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1388 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1389 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1390 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1391 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1392 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1393 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1394 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1395 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1396 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1397 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1398 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1399 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1400 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1401 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1402 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1403 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1404 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
1405};
1406
1407const struct iw_handler_def cfg80211_wext_handler = {
1408 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1409 .standard = cfg80211_handlers,
1410 .get_wireless_stats = cfg80211_wireless_stats,
1411};
Clone of davem's net-next-2.6 tree