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mac80211: fix BSS info reconfiguration
[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 439 int err, i;
98d3a7ca 440 bool rejoin = false;
fffd0934
JB		 441
442 if (!wdev->wext.keys) {
443 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
444 GFP_KERNEL);
445 if (!wdev->wext.keys)
446 return -ENOMEM;
447 for (i = 0; i < 6; i++)
448 wdev->wext.keys->params[i].key =
449 wdev->wext.keys->data[i];
450 }
451
452 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
453 wdev->iftype != NL80211_IFTYPE_STATION)
454 return -EOPNOTSUPP;
08645126
JB		 455
456 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
fffd0934
JB		 457 if (!wdev->current_bss)
458 return -ENOLINK;
459
08645126
JB		 460 if (!rdev->ops->set_default_mgmt_key)
461 return -EOPNOTSUPP;
462
463 if (idx < 4 || idx > 5)
464 return -EINVAL;
465 } else if (idx < 0 || idx > 3)
466 return -EINVAL;
467
468 if (remove) {
fffd0934 469 err = 0;
98d3a7ca
JB		 470 if (wdev->current_bss) {
471 /*
472 * If removing the current TX key, we will need to
473 * join a new IBSS without the privacy bit clear.
474 */
475 if (idx == wdev->wext.default_key &&
476 wdev->iftype == NL80211_IFTYPE_ADHOC) {
477 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
478 rejoin = true;
479 }
fffd0934 480 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
98d3a7ca 481 }
d55fb891 482 wdev->wext.connect.privacy = false;
98d3a7ca
JB		 483 /*
484 * Applications using wireless extensions expect to be
485 * able to delete keys that don't exist, so allow that.
486 */
487 if (err == -ENOENT)
488 err = 0;
08645126 489 if (!err) {
fffd0934
JB		 490 if (!addr) {
491 wdev->wext.keys->params[idx].key_len = 0;
492 wdev->wext.keys->params[idx].cipher = 0;
493 }
08645126
JB		 494 if (idx == wdev->wext.default_key)
495 wdev->wext.default_key = -1;
496 else if (idx == wdev->wext.default_mgmt_key)
497 wdev->wext.default_mgmt_key = -1;
498 }
98d3a7ca
JB		 499
500 if (!err && rejoin)
501 err = cfg80211_ibss_wext_join(rdev, wdev);
e3da574a 502
08645126 503 return err;
fffd0934 504 }
08645126 505
fffd0934
JB		 506 if (addr)
507 tx_key = false;
508
509 if (cfg80211_validate_key_settings(rdev, params, idx, addr))
510 return -EINVAL;
08645126 511
fffd0934
JB		 512 err = 0;
513 if (wdev->current_bss)
08645126 514 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
fffd0934
JB		 515 if (err)
516 return err;
517
518 if (!addr) {
519 wdev->wext.keys->params[idx] = *params;
520 memcpy(wdev->wext.keys->data[idx],
521 params->key, params->key_len);
522 wdev->wext.keys->params[idx].key =
523 wdev->wext.keys->data[idx];
524 }
08645126 525
1f00fca5
ZY		 526 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
527 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
fffd0934 528 (tx_key || (!addr && wdev->wext.default_key == -1))) {
98d3a7ca
JB		 529 if (wdev->current_bss) {
530 /*
531 * If we are getting a new TX key from not having
532 * had one before we need to join a new IBSS with
533 * the privacy bit set.
534 */
535 if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
536 wdev->wext.default_key == -1) {
537 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
538 rejoin = true;
539 }
08645126
JB		 540 err = rdev->ops->set_default_key(&rdev->wiphy,
541 dev, idx);
98d3a7ca
JB		 542 }
543 if (!err) {
fffd0934 544 wdev->wext.default_key = idx;
98d3a7ca
JB		 545 if (rejoin)
546 err = cfg80211_ibss_wext_join(rdev, wdev);
547 }
fffd0934
JB		 548 return err;
549 }
08645126 550
fffd0934
JB		 551 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
552 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
553 if (wdev->current_bss)
08645126
JB		 554 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
555 dev, idx);
fffd0934
JB		 556 if (!err)
557 wdev->wext.default_mgmt_key = idx;
558 return err;
08645126 559 }
fffd0934
JB		 560
561 return 0;
562}
563
564static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
565 struct net_device *dev, const u8 *addr,
566 bool remove, bool tx_key, int idx,
567 struct key_params *params)
568{
569 int err;
570
98d3a7ca
JB		 571 /* devlist mutex needed for possible IBSS re-join */
572 mutex_lock(&rdev->devlist_mtx);
fffd0934
JB		 573 wdev_lock(dev->ieee80211_ptr);
574 err = __cfg80211_set_encryption(rdev, dev, addr, remove,
575 tx_key, idx, params);
576 wdev_unlock(dev->ieee80211_ptr);
98d3a7ca 577 mutex_unlock(&rdev->devlist_mtx);
fffd0934
JB		 578
579 return err;
08645126
JB		 580}
581
582int cfg80211_wext_siwencode(struct net_device *dev,
583 struct iw_request_info *info,
584 struct iw_point *erq, char *keybuf)
585{
586 struct wireless_dev *wdev = dev->ieee80211_ptr;
587 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
588 int idx, err;
589 bool remove = false;
590 struct key_params params;
591
fffd0934
JB		 592 if (wdev->iftype != NL80211_IFTYPE_STATION &&
593 wdev->iftype != NL80211_IFTYPE_ADHOC)
594 return -EOPNOTSUPP;
595
08645126
JB		 596 /* no use -- only MFP (set_default_mgmt_key) is optional */
597 if (!rdev->ops->del_key ||
598 !rdev->ops->add_key ||
599 !rdev->ops->set_default_key)
600 return -EOPNOTSUPP;
601
602 idx = erq->flags & IW_ENCODE_INDEX;
603 if (idx == 0) {
604 idx = wdev->wext.default_key;
605 if (idx < 0)
606 idx = 0;
607 } else if (idx < 1 || idx > 4)
608 return -EINVAL;
609 else
610 idx--;
611
612 if (erq->flags & IW_ENCODE_DISABLED)
613 remove = true;
614 else if (erq->length == 0) {
615 /* No key data - just set the default TX key index */
fffd0934
JB		 616 err = 0;
617 wdev_lock(wdev);
618 if (wdev->current_bss)
619 err = rdev->ops->set_default_key(&rdev->wiphy,
620 dev, idx);
08645126
JB		 621 if (!err)
622 wdev->wext.default_key = idx;
fffd0934 623 wdev_unlock(wdev);
08645126
JB		 624 return err;
625 }
626
627 memset(&params, 0, sizeof(params));
628 params.key = keybuf;
629 params.key_len = erq->length;
630 if (erq->length == 5)
631 params.cipher = WLAN_CIPHER_SUITE_WEP40;
632 else if (erq->length == 13)
633 params.cipher = WLAN_CIPHER_SUITE_WEP104;
634 else if (!remove)
635 return -EINVAL;
636
637 return cfg80211_set_encryption(rdev, dev, NULL, remove,
638 wdev->wext.default_key == -1,
639 idx, &params);
640}
641EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
642
643int cfg80211_wext_siwencodeext(struct net_device *dev,
644 struct iw_request_info *info,
645 struct iw_point *erq, char *extra)
646{
647 struct wireless_dev *wdev = dev->ieee80211_ptr;
648 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
649 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
650 const u8 *addr;
651 int idx;
652 bool remove = false;
653 struct key_params params;
654 u32 cipher;
655
fffd0934
JB		 656 if (wdev->iftype != NL80211_IFTYPE_STATION &&
657 wdev->iftype != NL80211_IFTYPE_ADHOC)
658 return -EOPNOTSUPP;
659
08645126
JB		 660 /* no use -- only MFP (set_default_mgmt_key) is optional */
661 if (!rdev->ops->del_key ||
662 !rdev->ops->add_key ||
663 !rdev->ops->set_default_key)
664 return -EOPNOTSUPP;
665
666 switch (ext->alg) {
667 case IW_ENCODE_ALG_NONE:
668 remove = true;
669 cipher = 0;
670 break;
671 case IW_ENCODE_ALG_WEP:
672 if (ext->key_len == 5)
673 cipher = WLAN_CIPHER_SUITE_WEP40;
674 else if (ext->key_len == 13)
675 cipher = WLAN_CIPHER_SUITE_WEP104;
676 else
677 return -EINVAL;
678 break;
679 case IW_ENCODE_ALG_TKIP:
680 cipher = WLAN_CIPHER_SUITE_TKIP;
681 break;
682 case IW_ENCODE_ALG_CCMP:
683 cipher = WLAN_CIPHER_SUITE_CCMP;
684 break;
685 case IW_ENCODE_ALG_AES_CMAC:
686 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
687 break;
688 default:
689 return -EOPNOTSUPP;
690 }
691
692 if (erq->flags & IW_ENCODE_DISABLED)
693 remove = true;
694
695 idx = erq->flags & IW_ENCODE_INDEX;
696 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
697 if (idx < 4 || idx > 5) {
698 idx = wdev->wext.default_mgmt_key;
699 if (idx < 0)
700 return -EINVAL;
701 } else
702 idx--;
703 } else {
704 if (idx < 1 || idx > 4) {
705 idx = wdev->wext.default_key;
706 if (idx < 0)
707 return -EINVAL;
708 } else
709 idx--;
710 }
711
712 addr = ext->addr.sa_data;
713 if (is_broadcast_ether_addr(addr))
714 addr = NULL;
715
716 memset(&params, 0, sizeof(params));
717 params.key = ext->key;
718 params.key_len = ext->key_len;
719 params.cipher = cipher;
720
faa8fdc8
JM		 721 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
722 params.seq = ext->rx_seq;
723 params.seq_len = 6;
724 }
725
08645126
JB		 726 return cfg80211_set_encryption(
727 rdev, dev, addr, remove,
728 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
729 idx, &params);
730}
731EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
732
08645126
JB		 733int cfg80211_wext_giwencode(struct net_device *dev,
734 struct iw_request_info *info,
735 struct iw_point *erq, char *keybuf)
736{
737 struct wireless_dev *wdev = dev->ieee80211_ptr;
fffd0934 738 int idx;
08645126 739
fffd0934
JB		 740 if (wdev->iftype != NL80211_IFTYPE_STATION &&
741 wdev->iftype != NL80211_IFTYPE_ADHOC)
08645126
JB		 742 return -EOPNOTSUPP;
743
744 idx = erq->flags & IW_ENCODE_INDEX;
745 if (idx == 0) {
746 idx = wdev->wext.default_key;
747 if (idx < 0)
748 idx = 0;
749 } else if (idx < 1 || idx > 4)
750 return -EINVAL;
751 else
752 idx--;
753
754 erq->flags = idx + 1;
755
fffd0934 756 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
08645126
JB		 757 erq->flags |= IW_ENCODE_DISABLED;
758 erq->length = 0;
759 return 0;
760 }
761
fffd0934
JB		 762 erq->length = min_t(size_t, erq->length,
763 wdev->wext.keys->params[idx].key_len);
764 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
765 erq->flags |= IW_ENCODE_ENABLED;
766
767 return 0;
08645126
JB		 768}
769EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
7643a2c3 770
0e82ffe3
JB		 771int cfg80211_wext_siwfreq(struct net_device *dev,
772 struct iw_request_info *info,
59bbb6f7 773 struct iw_freq *wextfreq, char *extra)
0e82ffe3
JB		 774{
775 struct wireless_dev *wdev = dev->ieee80211_ptr;
776 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 777 int freq, err;
0e82ffe3
JB		 778
779 switch (wdev->iftype) {
780 case NL80211_IFTYPE_STATION:
59bbb6f7 781 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 782 case NL80211_IFTYPE_ADHOC:
59bbb6f7 783 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 784 default:
59bbb6f7
JB		 785 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
786 if (freq < 0)
787 return freq;
788 if (freq == 0)
0e82ffe3 789 return -EINVAL;
59bbb6f7 790 mutex_lock(&rdev->devlist_mtx);
4b181144 791 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
59bbb6f7
JB		 792 mutex_unlock(&rdev->devlist_mtx);
793 return err;
0e82ffe3
JB		 794 }
795}
a8b875e7 796EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
0e82ffe3
JB		 797
798int cfg80211_wext_giwfreq(struct net_device *dev,
799 struct iw_request_info *info,
800 struct iw_freq *freq, char *extra)
801{
802 struct wireless_dev *wdev = dev->ieee80211_ptr;
803 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
804
805 switch (wdev->iftype) {
806 case NL80211_IFTYPE_STATION:
807 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
808 case NL80211_IFTYPE_ADHOC:
809 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
810 default:
811 if (!rdev->channel)
812 return -EINVAL;
813 freq->m = rdev->channel->center_freq;
814 freq->e = 6;
815 return 0;
816 }
817}
818EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
819
7643a2c3
JB		 820int cfg80211_wext_siwtxpower(struct net_device *dev,
821 struct iw_request_info *info,
822 union iwreq_data *data, char *extra)
823{
824 struct wireless_dev *wdev = dev->ieee80211_ptr;
825 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
826 enum tx_power_setting type;
827 int dbm = 0;
828
829 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
830 return -EINVAL;
831 if (data->txpower.flags & IW_TXPOW_RANGE)
832 return -EINVAL;
833
834 if (!rdev->ops->set_tx_power)
835 return -EOPNOTSUPP;
836
837 /* only change when not disabling */
838 if (!data->txpower.disabled) {
1f87f7d3
JB		 839 rfkill_set_sw_state(rdev->rfkill, false);
840
7643a2c3
JB		 841 if (data->txpower.fixed) {
842 /*
843 * wext doesn't support negative values, see
844 * below where it's for automatic
845 */
846 if (data->txpower.value < 0)
847 return -EINVAL;
848 dbm = data->txpower.value;
849 type = TX_POWER_FIXED;
850 /* TODO: do regulatory check! */
851 } else {
852 /*
853 * Automatic power level setting, max being the value
854 * passed in from userland.
855 */
856 if (data->txpower.value < 0) {
857 type = TX_POWER_AUTOMATIC;
858 } else {
859 dbm = data->txpower.value;
860 type = TX_POWER_LIMITED;
861 }
862 }
863 } else {
1f87f7d3
JB		 864 rfkill_set_sw_state(rdev->rfkill, true);
865 schedule_work(&rdev->rfkill_sync);
866 return 0;
7643a2c3
JB		 867 }
868
a419aef8 869 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
7643a2c3
JB		 870}
871EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
872
873int cfg80211_wext_giwtxpower(struct net_device *dev,
874 struct iw_request_info *info,
875 union iwreq_data *data, char *extra)
876{
877 struct wireless_dev *wdev = dev->ieee80211_ptr;
878 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
879 int err, val;
880
881 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
882 return -EINVAL;
883 if (data->txpower.flags & IW_TXPOW_RANGE)
884 return -EINVAL;
885
886 if (!rdev->ops->get_tx_power)
887 return -EOPNOTSUPP;
888
889 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
1f87f7d3 890 if (err)
7643a2c3
JB		 891 return err;
892
893 /* well... oh well */
894 data->txpower.fixed = 1;
1f87f7d3 895 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
7643a2c3
JB		 896 data->txpower.value = val;
897 data->txpower.flags = IW_TXPOW_DBM;
898
899 return 0;
900}
901EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
f2129354
JB		 902
903static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
904 s32 auth_alg)
905{
906 int nr_alg = 0;
907
908 if (!auth_alg)
909 return -EINVAL;
910
911 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
912 IW_AUTH_ALG_SHARED_KEY |
913 IW_AUTH_ALG_LEAP))
914 return -EINVAL;
915
916 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
917 nr_alg++;
918 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
919 }
920
921 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
922 nr_alg++;
923 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
924 }
925
926 if (auth_alg & IW_AUTH_ALG_LEAP) {
927 nr_alg++;
928 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
929 }
930
931 if (nr_alg > 1)
932 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
933
934 return 0;
935}
936
937static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
938{
f2129354 939 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
323d566e
GS		 940 IW_AUTH_WPA_VERSION_WPA2|
941 IW_AUTH_WPA_VERSION_DISABLED))
f2129354
JB		 942 return -EINVAL;
943
323d566e
GS		 944 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
945 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
946 IW_AUTH_WPA_VERSION_WPA2)))
947 return -EINVAL;
948
949 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
950 wdev->wext.connect.crypto.wpa_versions &=
951 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
952
f2129354
JB		 953 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
954 wdev->wext.connect.crypto.wpa_versions |=
955 NL80211_WPA_VERSION_1;
956
957 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
958 wdev->wext.connect.crypto.wpa_versions |=
959 NL80211_WPA_VERSION_2;
960
961 return 0;
962}
963
4f5dadce 964static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
f2129354 965{
f2129354
JB		 966 if (cipher & IW_AUTH_CIPHER_WEP40)
967 wdev->wext.connect.crypto.cipher_group =
968 WLAN_CIPHER_SUITE_WEP40;
969 else if (cipher & IW_AUTH_CIPHER_WEP104)
970 wdev->wext.connect.crypto.cipher_group =
971 WLAN_CIPHER_SUITE_WEP104;
972 else if (cipher & IW_AUTH_CIPHER_TKIP)
973 wdev->wext.connect.crypto.cipher_group =
974 WLAN_CIPHER_SUITE_TKIP;
975 else if (cipher & IW_AUTH_CIPHER_CCMP)
976 wdev->wext.connect.crypto.cipher_group =
977 WLAN_CIPHER_SUITE_CCMP;
978 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
979 wdev->wext.connect.crypto.cipher_group =
980 WLAN_CIPHER_SUITE_AES_CMAC;
c5f8289c
JM		 981 else if (cipher & IW_AUTH_CIPHER_NONE)
982 wdev->wext.connect.crypto.cipher_group = 0;
f2129354
JB		 983 else
984 return -EINVAL;
985
986 return 0;
987}
988
4f5dadce 989static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
f2129354
JB		 990{
991 int nr_ciphers = 0;
992 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
993
994 if (cipher & IW_AUTH_CIPHER_WEP40) {
995 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
996 nr_ciphers++;
997 }
998
999 if (cipher & IW_AUTH_CIPHER_WEP104) {
1000 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1001 nr_ciphers++;
1002 }
1003
1004 if (cipher & IW_AUTH_CIPHER_TKIP) {
1005 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1006 nr_ciphers++;
1007 }
1008
1009 if (cipher & IW_AUTH_CIPHER_CCMP) {
1010 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1011 nr_ciphers++;
1012 }
1013
1014 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1015 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1016 nr_ciphers++;
1017 }
1018
1019 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1020
1021 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1022
1023 return 0;
1024}
1025
1026
4f5dadce 1027static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
f2129354
JB		 1028{
1029 int nr_akm_suites = 0;
1030
1031 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1032 IW_AUTH_KEY_MGMT_PSK))
1033 return -EINVAL;
1034
1035 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1036 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1037 WLAN_AKM_SUITE_8021X;
1038 nr_akm_suites++;
1039 }
1040
1041 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1042 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1043 WLAN_AKM_SUITE_PSK;
1044 nr_akm_suites++;
1045 }
1046
1047 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1048
1049 return 0;
1050}
1051
1052int cfg80211_wext_siwauth(struct net_device *dev,
1053 struct iw_request_info *info,
1054 struct iw_param *data, char *extra)
1055{
1056 struct wireless_dev *wdev = dev->ieee80211_ptr;
1057
1058 if (wdev->iftype != NL80211_IFTYPE_STATION)
1059 return -EOPNOTSUPP;
1060
1061 switch (data->flags & IW_AUTH_INDEX) {
1062 case IW_AUTH_PRIVACY_INVOKED:
1063 wdev->wext.connect.privacy = data->value;
1064 return 0;
1065 case IW_AUTH_WPA_VERSION:
1066 return cfg80211_set_wpa_version(wdev, data->value);
1067 case IW_AUTH_CIPHER_GROUP:
1068 return cfg80211_set_cipher_group(wdev, data->value);
1069 case IW_AUTH_KEY_MGMT:
1070 return cfg80211_set_key_mgt(wdev, data->value);
1071 case IW_AUTH_CIPHER_PAIRWISE:
1072 return cfg80211_set_cipher_pairwise(wdev, data->value);
1073 case IW_AUTH_80211_AUTH_ALG:
1074 return cfg80211_set_auth_alg(wdev, data->value);
1075 case IW_AUTH_WPA_ENABLED:
1076 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1077 case IW_AUTH_DROP_UNENCRYPTED:
1078 case IW_AUTH_MFP:
1079 return 0;
1080 default:
1081 return -EOPNOTSUPP;
1082 }
1083}
1084EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1085
1086int cfg80211_wext_giwauth(struct net_device *dev,
1087 struct iw_request_info *info,
1088 struct iw_param *data, char *extra)
1089{
1090 /* XXX: what do we need? */
1091
1092 return -EOPNOTSUPP;
1093}
1094EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
bc92afd9
JB		 1095
1096int cfg80211_wext_siwpower(struct net_device *dev,
1097 struct iw_request_info *info,
1098 struct iw_param *wrq, char *extra)
1099{
1100 struct wireless_dev *wdev = dev->ieee80211_ptr;
1101 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
ffb9eb3d
KV		 1102 bool ps = wdev->ps;
1103 int timeout = wdev->ps_timeout;
bc92afd9
JB		 1104 int err;
1105
1106 if (wdev->iftype != NL80211_IFTYPE_STATION)
1107 return -EINVAL;
1108
1109 if (!rdev->ops->set_power_mgmt)
1110 return -EOPNOTSUPP;
1111
1112 if (wrq->disabled) {
1113 ps = false;
1114 } else {
1115 switch (wrq->flags & IW_POWER_MODE) {
1116 case IW_POWER_ON: /* If not specified */
1117 case IW_POWER_MODE: /* If set all mask */
1118 case IW_POWER_ALL_R: /* If explicitely state all */
1119 ps = true;
1120 break;
1121 default: /* Otherwise we ignore */
1122 return -EINVAL;
1123 }
1124
1125 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1126 return -EINVAL;
1127
1128 if (wrq->flags & IW_POWER_TIMEOUT)
1129 timeout = wrq->value / 1000;
1130 }
1131
1132 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1133 if (err)
1134 return err;
1135
ffb9eb3d
KV		 1136 wdev->ps = ps;
1137 wdev->ps_timeout = timeout;
bc92afd9
JB		 1138
1139 return 0;
1140
1141}
1142EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1143
1144int cfg80211_wext_giwpower(struct net_device *dev,
1145 struct iw_request_info *info,
1146 struct iw_param *wrq, char *extra)
1147{
1148 struct wireless_dev *wdev = dev->ieee80211_ptr;
1149
ffb9eb3d 1150 wrq->disabled = !wdev->ps;
bc92afd9
JB		 1151
1152 return 0;
1153}
1154EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
ab737a4f 1155
562e4822
JB		 1156static int cfg80211_wds_wext_siwap(struct net_device *dev,
1157 struct iw_request_info *info,
1158 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1159{
1160 struct wireless_dev *wdev = dev->ieee80211_ptr;
1161 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1162 int err;
1163
1164 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1165 return -EINVAL;
1166
1167 if (addr->sa_family != ARPHRD_ETHER)
1168 return -EINVAL;
1169
1170 if (netif_running(dev))
1171 return -EBUSY;
1172
1173 if (!rdev->ops->set_wds_peer)
1174 return -EOPNOTSUPP;
1175
1176 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1177 if (err)
1178 return err;
1179
1180 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1181
1182 return 0;
1183}
ab737a4f 1184
562e4822
JB		 1185static int cfg80211_wds_wext_giwap(struct net_device *dev,
1186 struct iw_request_info *info,
1187 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1188{
1189 struct wireless_dev *wdev = dev->ieee80211_ptr;
1190
1191 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1192 return -EINVAL;
1193
1194 addr->sa_family = ARPHRD_ETHER;
1195 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1196
1197 return 0;
1198}
9930380f
JB		 1199
1200int cfg80211_wext_siwrate(struct net_device *dev,
1201 struct iw_request_info *info,
1202 struct iw_param *rate, char *extra)
1203{
1204 struct wireless_dev *wdev = dev->ieee80211_ptr;
1205 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1206 struct cfg80211_bitrate_mask mask;
37eb0b16
JM		 1207 u32 fixed, maxrate;
1208 struct ieee80211_supported_band *sband;
1209 int band, ridx;
1210 bool match = false;
9930380f
JB		 1211
1212 if (!rdev->ops->set_bitrate_mask)
1213 return -EOPNOTSUPP;
1214
37eb0b16
JM		 1215 memset(&mask, 0, sizeof(mask));
1216 fixed = 0;
54233261 1217 maxrate = (u32)-1;
9930380f
JB		 1218
1219 if (rate->value < 0) {
1220 /* nothing */
1221 } else if (rate->fixed) {
37eb0b16 1222 fixed = rate->value / 100000;
9930380f 1223 } else {
37eb0b16
JM		 1224 maxrate = rate->value / 100000;
1225 }
1226
1227 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1228 sband = wdev->wiphy->bands[band];
1229 if (sband == NULL)
1230 continue;
1231 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
1232 struct ieee80211_rate *srate = &sband->bitrates[ridx];
1233 if (fixed == srate->bitrate) {
1234 mask.control[band].legacy = 1 << ridx;
1235 match = true;
1236 break;
1237 }
1238 if (srate->bitrate <= maxrate) {
1239 mask.control[band].legacy |= 1 << ridx;
1240 match = true;
1241 }
1242 }
9930380f
JB		 1243 }
1244
37eb0b16
JM		 1245 if (!match)
1246 return -EINVAL;
1247
9930380f
JB		 1248 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1249}
1250EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1251
1252int cfg80211_wext_giwrate(struct net_device *dev,
1253 struct iw_request_info *info,
1254 struct iw_param *rate, char *extra)
1255{
1256 struct wireless_dev *wdev = dev->ieee80211_ptr;
1257 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1258 /* we are under RTNL - globally locked - so can use a static struct */
1259 static struct station_info sinfo;
a71d62db 1260 u8 addr[ETH_ALEN];
9930380f
JB		 1261 int err;
1262
1263 if (wdev->iftype != NL80211_IFTYPE_STATION)
1264 return -EOPNOTSUPP;
1265
1266 if (!rdev->ops->get_station)
1267 return -EOPNOTSUPP;
1268
a71d62db
JB		 1269 err = 0;
1270 wdev_lock(wdev);
6c230c02 1271 if (wdev->current_bss)
a71d62db 1272 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
6c230c02 1273 else
a71d62db
JB		 1274 err = -EOPNOTSUPP;
1275 wdev_unlock(wdev);
1276 if (err)
1277 return err;
9930380f
JB		 1278
1279 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1280 if (err)
1281 return err;
1282
1283 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1284 return -EOPNOTSUPP;
1285
254416aa 1286 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
9930380f
JB		 1287
1288 return 0;
1289}
1290EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
8990646d
JB		 1291
1292/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1293struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1294{
1295 struct wireless_dev *wdev = dev->ieee80211_ptr;
1296 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1297 /* we are under RTNL - globally locked - so can use static structs */
1298 static struct iw_statistics wstats;
1299 static struct station_info sinfo;
c56c5714 1300 u8 bssid[ETH_ALEN];
8990646d
JB		 1301
1302 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1303 return NULL;
1304
1305 if (!rdev->ops->get_station)
1306 return NULL;
1307
c56c5714
JB		 1308 /* Grab BSSID of current BSS, if any */
1309 wdev_lock(wdev);
1310 if (!wdev->current_bss) {
1311 wdev_unlock(wdev);
8990646d 1312 return NULL;
c56c5714
JB		 1313 }
1314 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1315 wdev_unlock(wdev);
8990646d 1316
c56c5714 1317 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
8990646d
JB		 1318 return NULL;
1319
1320 memset(&wstats, 0, sizeof(wstats));
1321
1322 switch (rdev->wiphy.signal_type) {
1323 case CFG80211_SIGNAL_TYPE_MBM:
1324 if (sinfo.filled & STATION_INFO_SIGNAL) {
1325 int sig = sinfo.signal;
1326 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1327 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1328 wstats.qual.updated |= IW_QUAL_DBM;
1329 wstats.qual.level = sig;
1330 if (sig < -110)
1331 sig = -110;
1332 else if (sig > -40)
1333 sig = -40;
1334 wstats.qual.qual = sig + 110;
1335 break;
1336 }
1337 case CFG80211_SIGNAL_TYPE_UNSPEC:
1338 if (sinfo.filled & STATION_INFO_SIGNAL) {
1339 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1340 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1341 wstats.qual.level = sinfo.signal;
1342 wstats.qual.qual = sinfo.signal;
1343 break;
1344 }
1345 default:
1346 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1347 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1348 }
1349
1350 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1351
1352 return &wstats;
1353}
1354EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
562e4822
JB		 1355
1356int cfg80211_wext_siwap(struct net_device *dev,
1357 struct iw_request_info *info,
1358 struct sockaddr *ap_addr, char *extra)
1359{
1360 struct wireless_dev *wdev = dev->ieee80211_ptr;
1361
1362 switch (wdev->iftype) {
1363 case NL80211_IFTYPE_ADHOC:
1364 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1365 case NL80211_IFTYPE_STATION:
1366 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1367 case NL80211_IFTYPE_WDS:
1368 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1369 default:
1370 return -EOPNOTSUPP;
1371 }
1372}
1373EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1374
1375int cfg80211_wext_giwap(struct net_device *dev,
1376 struct iw_request_info *info,
1377 struct sockaddr *ap_addr, char *extra)
1378{
1379 struct wireless_dev *wdev = dev->ieee80211_ptr;
1380
1381 switch (wdev->iftype) {
1382 case NL80211_IFTYPE_ADHOC:
1383 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1384 case NL80211_IFTYPE_STATION:
1385 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1386 case NL80211_IFTYPE_WDS:
1387 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1388 default:
1389 return -EOPNOTSUPP;
1390 }
1391}
1392EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1f9298f9
JB		 1393
1394int cfg80211_wext_siwessid(struct net_device *dev,
1395 struct iw_request_info *info,
1396 struct iw_point *data, char *ssid)
1397{
1398 struct wireless_dev *wdev = dev->ieee80211_ptr;
1399
1400 switch (wdev->iftype) {
1401 case NL80211_IFTYPE_ADHOC:
1402 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1403 case NL80211_IFTYPE_STATION:
1404 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1405 default:
1406 return -EOPNOTSUPP;
1407 }
1408}
1409EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1410
1411int cfg80211_wext_giwessid(struct net_device *dev,
1412 struct iw_request_info *info,
1413 struct iw_point *data, char *ssid)
1414{
1415 struct wireless_dev *wdev = dev->ieee80211_ptr;
1416
1417 switch (wdev->iftype) {
1418 case NL80211_IFTYPE_ADHOC:
1419 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1420 case NL80211_IFTYPE_STATION:
1421 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1422 default:
1423 return -EOPNOTSUPP;
1424 }
1425}
1426EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
a9a11622 1427
2944b2c2
SO		 1428int cfg80211_wext_siwpmksa(struct net_device *dev,
1429 struct iw_request_info *info,
1430 struct iw_point *data, char *extra)
1431{
1432 struct wireless_dev *wdev = dev->ieee80211_ptr;
1433 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1434 struct cfg80211_pmksa cfg_pmksa;
1435 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
1436
1437 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1438
1439 if (wdev->iftype != NL80211_IFTYPE_STATION)
1440 return -EINVAL;
1441
1442 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1443 cfg_pmksa.pmkid = pmksa->pmkid;
1444
1445 switch (pmksa->cmd) {
1446 case IW_PMKSA_ADD:
1447 if (!rdev->ops->set_pmksa)
1448 return -EOPNOTSUPP;
1449
1450 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1451
1452 case IW_PMKSA_REMOVE:
1453 if (!rdev->ops->del_pmksa)
1454 return -EOPNOTSUPP;
1455
1456 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1457
1458 case IW_PMKSA_FLUSH:
1459 if (!rdev->ops->flush_pmksa)
1460 return -EOPNOTSUPP;
1461
1462 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1463
1464 default:
1465 return -EOPNOTSUPP;
1466 }
1467}
1468
a9a11622
JB		 1469static const iw_handler cfg80211_handlers[] = {
1470 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1471 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1472 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1473 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1474 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1475 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1476 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1477 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1478 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1479 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1480 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1481 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1482 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1483 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1484 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1485 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1486 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1487 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1488 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1489 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1490 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1491 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1492 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1493 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1494 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1495 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1496 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1497 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1498 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1499 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1500 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
2944b2c2 1501 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
a9a11622
JB		 1502};
1503
1504const struct iw_handler_def cfg80211_wext_handler = {
1505 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1506 .standard = cfg80211_handlers,
1507 .get_wireless_stats = cfg80211_wireless_stats,
1508};
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