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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[mirror_ubuntu-artful-kernel.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>
5a0e3ad6 15#include <linux/slab.h>
fee52678 16#include <net/iw_handler.h>
fee52678 17#include <net/cfg80211.h>
0e82ffe3 18#include "wext-compat.h"
fee52678
JB		 19#include "core.h"
20
21int 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}
ba44cb72 63EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
e60c7744
JB		 64
65int 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;
ac7f9cfa 72 int ret;
e60c7744 73
e60c7744
JB		 74 rdev = wiphy_to_dev(wdev->wiphy);
75
e60c7744
JB		 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
ac7f9cfa
JB		 93 if (type == wdev->iftype)
94 return 0;
95
e60c7744
JB		 96 memset(&vifparams, 0, sizeof(vifparams));
97
3d54d255
JB		 98 cfg80211_lock_rdev(rdev);
99 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
100 cfg80211_unlock_rdev(rdev);
ac7f9cfa
JB		 101
102 return ret;
e60c7744 103}
ba44cb72 104EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
e60c7744
JB		 105
106int 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}
ba44cb72 139EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
4aa188e1
JB		 140
141
142int 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;
9834c079 149 int i, c = 0;
4aa188e1
JB		 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
4aa188e1
JB		 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
9834c079
JB		 196 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
197 switch (wdev->wiphy->cipher_suites[i]) {
3daf0975 198 case WLAN_CIPHER_SUITE_TKIP:
27bea66c
DK		 199 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
200 IW_ENC_CAPA_WPA);
3daf0975
DK		 201 break;
202
203 case WLAN_CIPHER_SUITE_CCMP:
27bea66c
DK		 204 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
205 IW_ENC_CAPA_WPA2);
3daf0975 206 break;
2ab658f9
DK		 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;
3daf0975
DK		 217 }
218 }
4aa188e1 219
4aa188e1 220 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
4aa188e1
JB		 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
51cd4aab
DK		 248 if (wdev->wiphy->max_scan_ssids > 0)
249 range->scan_capa |= IW_SCAN_CAPA_ESSID;
4aa188e1
JB		 250
251 return 0;
252}
ba44cb72 253EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
691597cb 254
04a773ad
JB		 255
256/**
257 * cfg80211_wext_freq - get wext frequency for non-"auto"
258 * @wiphy: the wiphy
259 * @freq: the wext freq encoding
260 *
59bbb6f7 261 * Returns a frequency, or a negative error code, or 0 for auto.
04a773ad 262 */
59bbb6f7 263int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
04a773ad 264{
0b258582 265 /*
59bbb6f7 266 * Parse frequency - return 0 for auto and
0b258582
JB		 267 * -EINVAL for impossible things.
268 */
04a773ad
JB		 269 if (freq->e == 0) {
270 if (freq->m < 0)
59bbb6f7
JB		 271 return 0;
272 return ieee80211_channel_to_frequency(freq->m);
04a773ad
JB		 273 } else {
274 int i, div = 1000000;
275 for (i = 0; i < freq->e; i++)
276 div /= 10;
0b258582 277 if (div <= 0)
59bbb6f7
JB		 278 return -EINVAL;
279 return freq->m / div;
04a773ad 280 }
04a773ad 281}
b9a5f8ca
JM		 282
283int 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}
ba44cb72 306EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
b9a5f8ca
JM		 307
308int 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}
ba44cb72 320EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
b9a5f8ca
JM		 321
322int 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}
ba44cb72 347EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
b9a5f8ca
JM		 348
349int 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}
ba44cb72 361EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
b9a5f8ca
JM		 362
363int 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}
ba44cb72 402EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
b9a5f8ca
JM		 403
404int 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}
ba44cb72 432EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
08645126 433
fffd0934
JB		 434static 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)
08645126
JB		 438{
439 struct wireless_dev *wdev = dev->ieee80211_ptr;
fffd0934 440 int err, i;
98d3a7ca 441 bool rejoin = false;
fffd0934
JB		 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;
08645126
JB		 456
457 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
fffd0934
JB		 458 if (!wdev->current_bss)
459 return -ENOLINK;
460
08645126
JB		 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) {
fffd0934 470 err = 0;
98d3a7ca
JB		 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 }
fffd0934 481 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
98d3a7ca 482 }
d55fb891 483 wdev->wext.connect.privacy = false;
98d3a7ca
JB		 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;
08645126 490 if (!err) {
fffd0934
JB		 491 if (!addr) {
492 wdev->wext.keys->params[idx].key_len = 0;
493 wdev->wext.keys->params[idx].cipher = 0;
494 }
08645126
JB		 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 }
98d3a7ca
JB		 500
501 if (!err && rejoin)
502 err = cfg80211_ibss_wext_join(rdev, wdev);
e3da574a 503
08645126 504 return err;
fffd0934 505 }
08645126 506
fffd0934
JB		 507 if (addr)
508 tx_key = false;
509
510 if (cfg80211_validate_key_settings(rdev, params, idx, addr))
511 return -EINVAL;
08645126 512
fffd0934
JB		 513 err = 0;
514 if (wdev->current_bss)
08645126 515 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
fffd0934
JB		 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 }
08645126 526
1f00fca5
ZY		 527 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
528 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
fffd0934 529 (tx_key || (!addr && wdev->wext.default_key == -1))) {
98d3a7ca
JB		 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 }
08645126
JB		 541 err = rdev->ops->set_default_key(&rdev->wiphy,
542 dev, idx);
98d3a7ca
JB		 543 }
544 if (!err) {
fffd0934 545 wdev->wext.default_key = idx;
98d3a7ca
JB		 546 if (rejoin)
547 err = cfg80211_ibss_wext_join(rdev, wdev);
548 }
fffd0934
JB		 549 return err;
550 }
08645126 551
fffd0934
JB		 552 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
553 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
554 if (wdev->current_bss)
08645126
JB		 555 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
556 dev, idx);
fffd0934
JB		 557 if (!err)
558 wdev->wext.default_mgmt_key = idx;
559 return err;
08645126 560 }
fffd0934
JB		 561
562 return 0;
563}
564
565static 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
98d3a7ca
JB		 572 /* devlist mutex needed for possible IBSS re-join */
573 mutex_lock(&rdev->devlist_mtx);
fffd0934
JB		 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);
98d3a7ca 578 mutex_unlock(&rdev->devlist_mtx);
fffd0934
JB		 579
580 return err;
08645126
JB		 581}
582
583int 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
fffd0934
JB		 593 if (wdev->iftype != NL80211_IFTYPE_STATION &&
594 wdev->iftype != NL80211_IFTYPE_ADHOC)
595 return -EOPNOTSUPP;
596
08645126
JB		 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 */
fffd0934
JB		 617 err = 0;
618 wdev_lock(wdev);
619 if (wdev->current_bss)
620 err = rdev->ops->set_default_key(&rdev->wiphy,
621 dev, idx);
08645126
JB		 622 if (!err)
623 wdev->wext.default_key = idx;
fffd0934 624 wdev_unlock(wdev);
08645126
JB		 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}
642EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
643
644int 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
fffd0934
JB		 657 if (wdev->iftype != NL80211_IFTYPE_STATION &&
658 wdev->iftype != NL80211_IFTYPE_ADHOC)
659 return -EOPNOTSUPP;
660
08645126
JB		 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
faa8fdc8
JM		 722 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
723 params.seq = ext->rx_seq;
724 params.seq_len = 6;
725 }
726
08645126
JB		 727 return cfg80211_set_encryption(
728 rdev, dev, addr, remove,
729 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
730 idx, &params);
731}
732EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
733
08645126
JB		 734int 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;
fffd0934 739 int idx;
08645126 740
fffd0934
JB		 741 if (wdev->iftype != NL80211_IFTYPE_STATION &&
742 wdev->iftype != NL80211_IFTYPE_ADHOC)
08645126
JB		 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
fffd0934 757 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
08645126
JB		 758 erq->flags |= IW_ENCODE_DISABLED;
759 erq->length = 0;
760 return 0;
761 }
762
fffd0934
JB		 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;
08645126
JB		 769}
770EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
7643a2c3 771
0e82ffe3
JB		 772int cfg80211_wext_siwfreq(struct net_device *dev,
773 struct iw_request_info *info,
59bbb6f7 774 struct iw_freq *wextfreq, char *extra)
0e82ffe3
JB		 775{
776 struct wireless_dev *wdev = dev->ieee80211_ptr;
777 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 778 int freq, err;
0e82ffe3
JB		 779
780 switch (wdev->iftype) {
781 case NL80211_IFTYPE_STATION:
59bbb6f7 782 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 783 case NL80211_IFTYPE_ADHOC:
59bbb6f7 784 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
0e82ffe3 785 default:
59bbb6f7
JB		 786 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
787 if (freq < 0)
788 return freq;
789 if (freq == 0)
0e82ffe3 790 return -EINVAL;
59bbb6f7 791 mutex_lock(&rdev->devlist_mtx);
4b181144 792 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
59bbb6f7
JB		 793 mutex_unlock(&rdev->devlist_mtx);
794 return err;
0e82ffe3
JB		 795 }
796}
a8b875e7 797EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
0e82ffe3
JB		 798
799int cfg80211_wext_giwfreq(struct net_device *dev,
800 struct iw_request_info *info,
801 struct iw_freq *freq, char *extra)
802{
803 struct wireless_dev *wdev = dev->ieee80211_ptr;
804 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
805
806 switch (wdev->iftype) {
807 case NL80211_IFTYPE_STATION:
808 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
809 case NL80211_IFTYPE_ADHOC:
810 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
811 default:
812 if (!rdev->channel)
813 return -EINVAL;
814 freq->m = rdev->channel->center_freq;
815 freq->e = 6;
816 return 0;
817 }
818}
819EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
820
7643a2c3
JB		 821int cfg80211_wext_siwtxpower(struct net_device *dev,
822 struct iw_request_info *info,
823 union iwreq_data *data, char *extra)
824{
825 struct wireless_dev *wdev = dev->ieee80211_ptr;
826 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
827 enum tx_power_setting type;
828 int dbm = 0;
829
830 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
831 return -EINVAL;
832 if (data->txpower.flags & IW_TXPOW_RANGE)
833 return -EINVAL;
834
835 if (!rdev->ops->set_tx_power)
836 return -EOPNOTSUPP;
837
838 /* only change when not disabling */
839 if (!data->txpower.disabled) {
1f87f7d3
JB		 840 rfkill_set_sw_state(rdev->rfkill, false);
841
7643a2c3
JB		 842 if (data->txpower.fixed) {
843 /*
844 * wext doesn't support negative values, see
845 * below where it's for automatic
846 */
847 if (data->txpower.value < 0)
848 return -EINVAL;
849 dbm = data->txpower.value;
850 type = TX_POWER_FIXED;
851 /* TODO: do regulatory check! */
852 } else {
853 /*
854 * Automatic power level setting, max being the value
855 * passed in from userland.
856 */
857 if (data->txpower.value < 0) {
858 type = TX_POWER_AUTOMATIC;
859 } else {
860 dbm = data->txpower.value;
861 type = TX_POWER_LIMITED;
862 }
863 }
864 } else {
1f87f7d3
JB		 865 rfkill_set_sw_state(rdev->rfkill, true);
866 schedule_work(&rdev->rfkill_sync);
867 return 0;
7643a2c3
JB		 868 }
869
a419aef8 870 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
7643a2c3
JB		 871}
872EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
873
874int cfg80211_wext_giwtxpower(struct net_device *dev,
875 struct iw_request_info *info,
876 union iwreq_data *data, char *extra)
877{
878 struct wireless_dev *wdev = dev->ieee80211_ptr;
879 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
880 int err, val;
881
882 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
883 return -EINVAL;
884 if (data->txpower.flags & IW_TXPOW_RANGE)
885 return -EINVAL;
886
887 if (!rdev->ops->get_tx_power)
888 return -EOPNOTSUPP;
889
890 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
1f87f7d3 891 if (err)
7643a2c3
JB		 892 return err;
893
894 /* well... oh well */
895 data->txpower.fixed = 1;
1f87f7d3 896 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
7643a2c3
JB		 897 data->txpower.value = val;
898 data->txpower.flags = IW_TXPOW_DBM;
899
900 return 0;
901}
902EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
f2129354
JB		 903
904static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
905 s32 auth_alg)
906{
907 int nr_alg = 0;
908
909 if (!auth_alg)
910 return -EINVAL;
911
912 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
913 IW_AUTH_ALG_SHARED_KEY |
914 IW_AUTH_ALG_LEAP))
915 return -EINVAL;
916
917 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
918 nr_alg++;
919 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
920 }
921
922 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
923 nr_alg++;
924 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
925 }
926
927 if (auth_alg & IW_AUTH_ALG_LEAP) {
928 nr_alg++;
929 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
930 }
931
932 if (nr_alg > 1)
933 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
934
935 return 0;
936}
937
938static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
939{
f2129354 940 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
323d566e
GS		 941 IW_AUTH_WPA_VERSION_WPA2|
942 IW_AUTH_WPA_VERSION_DISABLED))
f2129354
JB		 943 return -EINVAL;
944
323d566e
GS		 945 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
946 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
947 IW_AUTH_WPA_VERSION_WPA2)))
948 return -EINVAL;
949
950 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
951 wdev->wext.connect.crypto.wpa_versions &=
952 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
953
f2129354
JB		 954 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
955 wdev->wext.connect.crypto.wpa_versions |=
956 NL80211_WPA_VERSION_1;
957
958 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
959 wdev->wext.connect.crypto.wpa_versions |=
960 NL80211_WPA_VERSION_2;
961
962 return 0;
963}
964
4f5dadce 965static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
f2129354 966{
f2129354
JB		 967 if (cipher & IW_AUTH_CIPHER_WEP40)
968 wdev->wext.connect.crypto.cipher_group =
969 WLAN_CIPHER_SUITE_WEP40;
970 else if (cipher & IW_AUTH_CIPHER_WEP104)
971 wdev->wext.connect.crypto.cipher_group =
972 WLAN_CIPHER_SUITE_WEP104;
973 else if (cipher & IW_AUTH_CIPHER_TKIP)
974 wdev->wext.connect.crypto.cipher_group =
975 WLAN_CIPHER_SUITE_TKIP;
976 else if (cipher & IW_AUTH_CIPHER_CCMP)
977 wdev->wext.connect.crypto.cipher_group =
978 WLAN_CIPHER_SUITE_CCMP;
979 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
980 wdev->wext.connect.crypto.cipher_group =
981 WLAN_CIPHER_SUITE_AES_CMAC;
c5f8289c
JM		 982 else if (cipher & IW_AUTH_CIPHER_NONE)
983 wdev->wext.connect.crypto.cipher_group = 0;
f2129354
JB		 984 else
985 return -EINVAL;
986
987 return 0;
988}
989
4f5dadce 990static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
f2129354
JB		 991{
992 int nr_ciphers = 0;
993 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
994
995 if (cipher & IW_AUTH_CIPHER_WEP40) {
996 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
997 nr_ciphers++;
998 }
999
1000 if (cipher & IW_AUTH_CIPHER_WEP104) {
1001 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1002 nr_ciphers++;
1003 }
1004
1005 if (cipher & IW_AUTH_CIPHER_TKIP) {
1006 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1007 nr_ciphers++;
1008 }
1009
1010 if (cipher & IW_AUTH_CIPHER_CCMP) {
1011 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1012 nr_ciphers++;
1013 }
1014
1015 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1016 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1017 nr_ciphers++;
1018 }
1019
1020 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1021
1022 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1023
1024 return 0;
1025}
1026
1027
4f5dadce 1028static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
f2129354
JB		 1029{
1030 int nr_akm_suites = 0;
1031
1032 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1033 IW_AUTH_KEY_MGMT_PSK))
1034 return -EINVAL;
1035
1036 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1037 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1038 WLAN_AKM_SUITE_8021X;
1039 nr_akm_suites++;
1040 }
1041
1042 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1043 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1044 WLAN_AKM_SUITE_PSK;
1045 nr_akm_suites++;
1046 }
1047
1048 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1049
1050 return 0;
1051}
1052
1053int cfg80211_wext_siwauth(struct net_device *dev,
1054 struct iw_request_info *info,
1055 struct iw_param *data, char *extra)
1056{
1057 struct wireless_dev *wdev = dev->ieee80211_ptr;
1058
1059 if (wdev->iftype != NL80211_IFTYPE_STATION)
1060 return -EOPNOTSUPP;
1061
1062 switch (data->flags & IW_AUTH_INDEX) {
1063 case IW_AUTH_PRIVACY_INVOKED:
1064 wdev->wext.connect.privacy = data->value;
1065 return 0;
1066 case IW_AUTH_WPA_VERSION:
1067 return cfg80211_set_wpa_version(wdev, data->value);
1068 case IW_AUTH_CIPHER_GROUP:
1069 return cfg80211_set_cipher_group(wdev, data->value);
1070 case IW_AUTH_KEY_MGMT:
1071 return cfg80211_set_key_mgt(wdev, data->value);
1072 case IW_AUTH_CIPHER_PAIRWISE:
1073 return cfg80211_set_cipher_pairwise(wdev, data->value);
1074 case IW_AUTH_80211_AUTH_ALG:
1075 return cfg80211_set_auth_alg(wdev, data->value);
1076 case IW_AUTH_WPA_ENABLED:
1077 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1078 case IW_AUTH_DROP_UNENCRYPTED:
1079 case IW_AUTH_MFP:
1080 return 0;
1081 default:
1082 return -EOPNOTSUPP;
1083 }
1084}
1085EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1086
1087int cfg80211_wext_giwauth(struct net_device *dev,
1088 struct iw_request_info *info,
1089 struct iw_param *data, char *extra)
1090{
1091 /* XXX: what do we need? */
1092
1093 return -EOPNOTSUPP;
1094}
1095EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
bc92afd9
JB		 1096
1097int cfg80211_wext_siwpower(struct net_device *dev,
1098 struct iw_request_info *info,
1099 struct iw_param *wrq, char *extra)
1100{
1101 struct wireless_dev *wdev = dev->ieee80211_ptr;
1102 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
ffb9eb3d
KV		 1103 bool ps = wdev->ps;
1104 int timeout = wdev->ps_timeout;
bc92afd9
JB		 1105 int err;
1106
1107 if (wdev->iftype != NL80211_IFTYPE_STATION)
1108 return -EINVAL;
1109
1110 if (!rdev->ops->set_power_mgmt)
1111 return -EOPNOTSUPP;
1112
1113 if (wrq->disabled) {
1114 ps = false;
1115 } else {
1116 switch (wrq->flags & IW_POWER_MODE) {
1117 case IW_POWER_ON: /* If not specified */
1118 case IW_POWER_MODE: /* If set all mask */
1119 case IW_POWER_ALL_R: /* If explicitely state all */
1120 ps = true;
1121 break;
1122 default: /* Otherwise we ignore */
1123 return -EINVAL;
1124 }
1125
1126 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1127 return -EINVAL;
1128
1129 if (wrq->flags & IW_POWER_TIMEOUT)
1130 timeout = wrq->value / 1000;
1131 }
1132
1133 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1134 if (err)
1135 return err;
1136
ffb9eb3d
KV		 1137 wdev->ps = ps;
1138 wdev->ps_timeout = timeout;
bc92afd9
JB		 1139
1140 return 0;
1141
1142}
1143EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1144
1145int cfg80211_wext_giwpower(struct net_device *dev,
1146 struct iw_request_info *info,
1147 struct iw_param *wrq, char *extra)
1148{
1149 struct wireless_dev *wdev = dev->ieee80211_ptr;
1150
ffb9eb3d 1151 wrq->disabled = !wdev->ps;
bc92afd9
JB		 1152
1153 return 0;
1154}
1155EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
ab737a4f 1156
562e4822
JB		 1157static int cfg80211_wds_wext_siwap(struct net_device *dev,
1158 struct iw_request_info *info,
1159 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1160{
1161 struct wireless_dev *wdev = dev->ieee80211_ptr;
1162 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1163 int err;
1164
1165 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1166 return -EINVAL;
1167
1168 if (addr->sa_family != ARPHRD_ETHER)
1169 return -EINVAL;
1170
1171 if (netif_running(dev))
1172 return -EBUSY;
1173
1174 if (!rdev->ops->set_wds_peer)
1175 return -EOPNOTSUPP;
1176
1177 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1178 if (err)
1179 return err;
1180
1181 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1182
1183 return 0;
1184}
ab737a4f 1185
562e4822
JB		 1186static int cfg80211_wds_wext_giwap(struct net_device *dev,
1187 struct iw_request_info *info,
1188 struct sockaddr *addr, char *extra)
ab737a4f
JB		 1189{
1190 struct wireless_dev *wdev = dev->ieee80211_ptr;
1191
1192 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1193 return -EINVAL;
1194
1195 addr->sa_family = ARPHRD_ETHER;
1196 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1197
1198 return 0;
1199}
9930380f
JB		 1200
1201int cfg80211_wext_siwrate(struct net_device *dev,
1202 struct iw_request_info *info,
1203 struct iw_param *rate, char *extra)
1204{
1205 struct wireless_dev *wdev = dev->ieee80211_ptr;
1206 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1207 struct cfg80211_bitrate_mask mask;
37eb0b16
JM		 1208 u32 fixed, maxrate;
1209 struct ieee80211_supported_band *sband;
1210 int band, ridx;
1211 bool match = false;
9930380f
JB		 1212
1213 if (!rdev->ops->set_bitrate_mask)
1214 return -EOPNOTSUPP;
1215
37eb0b16
JM		 1216 memset(&mask, 0, sizeof(mask));
1217 fixed = 0;
54233261 1218 maxrate = (u32)-1;
9930380f
JB		 1219
1220 if (rate->value < 0) {
1221 /* nothing */
1222 } else if (rate->fixed) {
37eb0b16 1223 fixed = rate->value / 100000;
9930380f 1224 } else {
37eb0b16
JM		 1225 maxrate = rate->value / 100000;
1226 }
1227
1228 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1229 sband = wdev->wiphy->bands[band];
1230 if (sband == NULL)
1231 continue;
1232 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
1233 struct ieee80211_rate *srate = &sband->bitrates[ridx];
1234 if (fixed == srate->bitrate) {
1235 mask.control[band].legacy = 1 << ridx;
1236 match = true;
1237 break;
1238 }
1239 if (srate->bitrate <= maxrate) {
1240 mask.control[band].legacy |= 1 << ridx;
1241 match = true;
1242 }
1243 }
9930380f
JB		 1244 }
1245
37eb0b16
JM		 1246 if (!match)
1247 return -EINVAL;
1248
9930380f
JB		 1249 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1250}
1251EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1252
1253int cfg80211_wext_giwrate(struct net_device *dev,
1254 struct iw_request_info *info,
1255 struct iw_param *rate, char *extra)
1256{
1257 struct wireless_dev *wdev = dev->ieee80211_ptr;
1258 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1259 /* we are under RTNL - globally locked - so can use a static struct */
1260 static struct station_info sinfo;
a71d62db 1261 u8 addr[ETH_ALEN];
9930380f
JB		 1262 int err;
1263
1264 if (wdev->iftype != NL80211_IFTYPE_STATION)
1265 return -EOPNOTSUPP;
1266
1267 if (!rdev->ops->get_station)
1268 return -EOPNOTSUPP;
1269
a71d62db
JB		 1270 err = 0;
1271 wdev_lock(wdev);
6c230c02 1272 if (wdev->current_bss)
a71d62db 1273 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
6c230c02 1274 else
a71d62db
JB		 1275 err = -EOPNOTSUPP;
1276 wdev_unlock(wdev);
1277 if (err)
1278 return err;
9930380f
JB		 1279
1280 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1281 if (err)
1282 return err;
1283
1284 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1285 return -EOPNOTSUPP;
1286
254416aa 1287 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
9930380f
JB		 1288
1289 return 0;
1290}
1291EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
8990646d
JB		 1292
1293/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1294struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1295{
1296 struct wireless_dev *wdev = dev->ieee80211_ptr;
1297 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1298 /* we are under RTNL - globally locked - so can use static structs */
1299 static struct iw_statistics wstats;
1300 static struct station_info sinfo;
c56c5714 1301 u8 bssid[ETH_ALEN];
8990646d
JB		 1302
1303 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1304 return NULL;
1305
1306 if (!rdev->ops->get_station)
1307 return NULL;
1308
c56c5714
JB		 1309 /* Grab BSSID of current BSS, if any */
1310 wdev_lock(wdev);
1311 if (!wdev->current_bss) {
1312 wdev_unlock(wdev);
8990646d 1313 return NULL;
c56c5714
JB		 1314 }
1315 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1316 wdev_unlock(wdev);
8990646d 1317
c56c5714 1318 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
8990646d
JB		 1319 return NULL;
1320
1321 memset(&wstats, 0, sizeof(wstats));
1322
1323 switch (rdev->wiphy.signal_type) {
1324 case CFG80211_SIGNAL_TYPE_MBM:
1325 if (sinfo.filled & STATION_INFO_SIGNAL) {
1326 int sig = sinfo.signal;
1327 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1328 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1329 wstats.qual.updated |= IW_QUAL_DBM;
1330 wstats.qual.level = sig;
1331 if (sig < -110)
1332 sig = -110;
1333 else if (sig > -40)
1334 sig = -40;
1335 wstats.qual.qual = sig + 110;
1336 break;
1337 }
1338 case CFG80211_SIGNAL_TYPE_UNSPEC:
1339 if (sinfo.filled & STATION_INFO_SIGNAL) {
1340 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1341 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1342 wstats.qual.level = sinfo.signal;
1343 wstats.qual.qual = sinfo.signal;
1344 break;
1345 }
1346 default:
1347 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1348 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1349 }
1350
1351 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1352
1353 return &wstats;
1354}
1355EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
562e4822
JB		 1356
1357int cfg80211_wext_siwap(struct net_device *dev,
1358 struct iw_request_info *info,
1359 struct sockaddr *ap_addr, char *extra)
1360{
1361 struct wireless_dev *wdev = dev->ieee80211_ptr;
1362
1363 switch (wdev->iftype) {
1364 case NL80211_IFTYPE_ADHOC:
1365 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1366 case NL80211_IFTYPE_STATION:
1367 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1368 case NL80211_IFTYPE_WDS:
1369 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1370 default:
1371 return -EOPNOTSUPP;
1372 }
1373}
1374EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1375
1376int cfg80211_wext_giwap(struct net_device *dev,
1377 struct iw_request_info *info,
1378 struct sockaddr *ap_addr, char *extra)
1379{
1380 struct wireless_dev *wdev = dev->ieee80211_ptr;
1381
1382 switch (wdev->iftype) {
1383 case NL80211_IFTYPE_ADHOC:
1384 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1385 case NL80211_IFTYPE_STATION:
1386 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1387 case NL80211_IFTYPE_WDS:
1388 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1389 default:
1390 return -EOPNOTSUPP;
1391 }
1392}
1393EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1f9298f9
JB		 1394
1395int cfg80211_wext_siwessid(struct net_device *dev,
1396 struct iw_request_info *info,
1397 struct iw_point *data, char *ssid)
1398{
1399 struct wireless_dev *wdev = dev->ieee80211_ptr;
1400
1401 switch (wdev->iftype) {
1402 case NL80211_IFTYPE_ADHOC:
1403 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1404 case NL80211_IFTYPE_STATION:
1405 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1406 default:
1407 return -EOPNOTSUPP;
1408 }
1409}
1410EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1411
1412int cfg80211_wext_giwessid(struct net_device *dev,
1413 struct iw_request_info *info,
1414 struct iw_point *data, char *ssid)
1415{
1416 struct wireless_dev *wdev = dev->ieee80211_ptr;
1417
1418 switch (wdev->iftype) {
1419 case NL80211_IFTYPE_ADHOC:
1420 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1421 case NL80211_IFTYPE_STATION:
1422 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1423 default:
1424 return -EOPNOTSUPP;
1425 }
1426}
1427EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
a9a11622 1428
2944b2c2
SO		 1429int cfg80211_wext_siwpmksa(struct net_device *dev,
1430 struct iw_request_info *info,
1431 struct iw_point *data, char *extra)
1432{
1433 struct wireless_dev *wdev = dev->ieee80211_ptr;
1434 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1435 struct cfg80211_pmksa cfg_pmksa;
1436 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
1437
1438 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1439
1440 if (wdev->iftype != NL80211_IFTYPE_STATION)
1441 return -EINVAL;
1442
1443 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1444 cfg_pmksa.pmkid = pmksa->pmkid;
1445
1446 switch (pmksa->cmd) {
1447 case IW_PMKSA_ADD:
1448 if (!rdev->ops->set_pmksa)
1449 return -EOPNOTSUPP;
1450
1451 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1452
1453 case IW_PMKSA_REMOVE:
1454 if (!rdev->ops->del_pmksa)
1455 return -EOPNOTSUPP;
1456
1457 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1458
1459 case IW_PMKSA_FLUSH:
1460 if (!rdev->ops->flush_pmksa)
1461 return -EOPNOTSUPP;
1462
1463 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1464
1465 default:
1466 return -EOPNOTSUPP;
1467 }
1468}
1469
a9a11622
JB		 1470static const iw_handler cfg80211_handlers[] = {
1471 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1472 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1473 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1474 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1475 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1476 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1477 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1478 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1479 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1480 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1481 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1482 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1483 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1484 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1485 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1486 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1487 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1488 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1489 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1490 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1491 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1492 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1493 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1494 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1495 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1496 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1497 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1498 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1499 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1500 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1501 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
2944b2c2 1502 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
a9a11622
JB		 1503};
1504
1505const struct iw_handler_def cfg80211_wext_handler = {
1506 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1507 .standard = cfg80211_handlers,
1508 .get_wireless_stats = cfg80211_wireless_stats,
1509};
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