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cfg80211: add wrapper function to get wiphy from priv pointer
[GitHub/mt8127/android_kernel_alcatel_ttab.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
JB		 16#include <net/cfg80211.h>
17#include "core.h"
18
19int cfg80211_wext_giwname(struct net_device *dev,
20 struct iw_request_info *info,
21 char *name, char *extra)
22{
23 struct wireless_dev *wdev = dev->ieee80211_ptr;
24 struct ieee80211_supported_band *sband;
25 bool is_ht = false, is_a = false, is_b = false, is_g = false;
26
27 if (!wdev)
28 return -EOPNOTSUPP;
29
30 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
31 if (sband) {
32 is_a = true;
33 is_ht |= sband->ht_cap.ht_supported;
34 }
35
36 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
37 if (sband) {
38 int i;
39 /* Check for mandatory rates */
40 for (i = 0; i < sband->n_bitrates; i++) {
41 if (sband->bitrates[i].bitrate == 10)
42 is_b = true;
43 if (sband->bitrates[i].bitrate == 60)
44 is_g = true;
45 }
46 is_ht |= sband->ht_cap.ht_supported;
47 }
48
49 strcpy(name, "IEEE 802.11");
50 if (is_a)
51 strcat(name, "a");
52 if (is_b)
53 strcat(name, "b");
54 if (is_g)
55 strcat(name, "g");
56 if (is_ht)
57 strcat(name, "n");
58
59 return 0;
60}
ba44cb72 61EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
e60c7744
JB		 62
63int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
64 u32 *mode, char *extra)
65{
66 struct wireless_dev *wdev = dev->ieee80211_ptr;
67 struct cfg80211_registered_device *rdev;
68 struct vif_params vifparams;
69 enum nl80211_iftype type;
ac7f9cfa 70 int ret;
e60c7744
JB		 71
72 if (!wdev)
73 return -EOPNOTSUPP;
74
75 rdev = wiphy_to_dev(wdev->wiphy);
76
77 if (!rdev->ops->change_virtual_intf)
78 return -EOPNOTSUPP;
79
80 /* don't support changing VLANs, you just re-create them */
81 if (wdev->iftype == NL80211_IFTYPE_AP_VLAN)
82 return -EOPNOTSUPP;
83
84 switch (*mode) {
85 case IW_MODE_INFRA:
86 type = NL80211_IFTYPE_STATION;
87 break;
88 case IW_MODE_ADHOC:
89 type = NL80211_IFTYPE_ADHOC;
90 break;
91 case IW_MODE_REPEAT:
92 type = NL80211_IFTYPE_WDS;
93 break;
94 case IW_MODE_MONITOR:
95 type = NL80211_IFTYPE_MONITOR;
96 break;
97 default:
98 return -EINVAL;
99 }
100
ac7f9cfa
JB		 101 if (type == wdev->iftype)
102 return 0;
103
e60c7744
JB		 104 memset(&vifparams, 0, sizeof(vifparams));
105
e36d56b6 106 ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev, type,
ac7f9cfa
JB		 107 NULL, &vifparams);
108 WARN_ON(!ret && wdev->iftype != type);
109
110 return ret;
e60c7744 111}
ba44cb72 112EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
e60c7744
JB		 113
114int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
115 u32 *mode, char *extra)
116{
117 struct wireless_dev *wdev = dev->ieee80211_ptr;
118
119 if (!wdev)
120 return -EOPNOTSUPP;
121
122 switch (wdev->iftype) {
123 case NL80211_IFTYPE_AP:
124 *mode = IW_MODE_MASTER;
125 break;
126 case NL80211_IFTYPE_STATION:
127 *mode = IW_MODE_INFRA;
128 break;
129 case NL80211_IFTYPE_ADHOC:
130 *mode = IW_MODE_ADHOC;
131 break;
132 case NL80211_IFTYPE_MONITOR:
133 *mode = IW_MODE_MONITOR;
134 break;
135 case NL80211_IFTYPE_WDS:
136 *mode = IW_MODE_REPEAT;
137 break;
138 case NL80211_IFTYPE_AP_VLAN:
139 *mode = IW_MODE_SECOND; /* FIXME */
140 break;
141 default:
142 *mode = IW_MODE_AUTO;
143 break;
144 }
145 return 0;
146}
ba44cb72 147EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
4aa188e1
JB		 148
149
150int cfg80211_wext_giwrange(struct net_device *dev,
151 struct iw_request_info *info,
152 struct iw_point *data, char *extra)
153{
154 struct wireless_dev *wdev = dev->ieee80211_ptr;
155 struct iw_range *range = (struct iw_range *) extra;
156 enum ieee80211_band band;
157 int c = 0;
158
159 if (!wdev)
160 return -EOPNOTSUPP;
161
162 data->length = sizeof(struct iw_range);
163 memset(range, 0, sizeof(struct iw_range));
164
165 range->we_version_compiled = WIRELESS_EXT;
166 range->we_version_source = 21;
167 range->retry_capa = IW_RETRY_LIMIT;
168 range->retry_flags = IW_RETRY_LIMIT;
169 range->min_retry = 0;
170 range->max_retry = 255;
171 range->min_rts = 0;
172 range->max_rts = 2347;
173 range->min_frag = 256;
174 range->max_frag = 2346;
175
176 range->encoding_size[0] = 5;
177 range->encoding_size[1] = 13;
178 range->num_encoding_sizes = 2;
179 range->max_encoding_tokens = 4;
180
181 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
182
183 switch (wdev->wiphy->signal_type) {
184 case CFG80211_SIGNAL_TYPE_NONE:
185 break;
186 case CFG80211_SIGNAL_TYPE_MBM:
187 range->max_qual.level = -110;
188 range->max_qual.qual = 70;
189 range->avg_qual.qual = 35;
190 range->max_qual.updated |= IW_QUAL_DBM;
191 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
192 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
193 break;
194 case CFG80211_SIGNAL_TYPE_UNSPEC:
195 range->max_qual.level = 100;
196 range->max_qual.qual = 100;
197 range->avg_qual.qual = 50;
198 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
199 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
200 break;
201 }
202
203 range->avg_qual.level = range->max_qual.level / 2;
204 range->avg_qual.noise = range->max_qual.noise / 2;
205 range->avg_qual.updated = range->max_qual.updated;
206
207 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
208 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
209
4aa188e1
JB		 210 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
211 int i;
212 struct ieee80211_supported_band *sband;
213
214 sband = wdev->wiphy->bands[band];
215
216 if (!sband)
217 continue;
218
219 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
220 struct ieee80211_channel *chan = &sband->channels[i];
221
222 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
223 range->freq[c].i =
224 ieee80211_frequency_to_channel(
225 chan->center_freq);
226 range->freq[c].m = chan->center_freq;
227 range->freq[c].e = 6;
228 c++;
229 }
230 }
231 }
232 range->num_channels = c;
233 range->num_frequency = c;
234
235 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
236 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
237 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
238
239 range->scan_capa |= IW_SCAN_CAPA_ESSID;
240
241 return 0;
242}
ba44cb72 243EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
691597cb
JB		 244
245int cfg80211_wext_siwmlme(struct net_device *dev,
246 struct iw_request_info *info,
247 struct iw_point *data, char *extra)
248{
249 struct wireless_dev *wdev = dev->ieee80211_ptr;
250 struct iw_mlme *mlme = (struct iw_mlme *)extra;
251 struct cfg80211_registered_device *rdev;
252 union {
253 struct cfg80211_disassoc_request disassoc;
254 struct cfg80211_deauth_request deauth;
255 } cmd;
256
257 if (!wdev)
258 return -EOPNOTSUPP;
259
260 rdev = wiphy_to_dev(wdev->wiphy);
261
262 if (wdev->iftype != NL80211_IFTYPE_STATION)
263 return -EINVAL;
264
265 if (mlme->addr.sa_family != ARPHRD_ETHER)
266 return -EINVAL;
267
268 memset(&cmd, 0, sizeof(cmd));
269
270 switch (mlme->cmd) {
271 case IW_MLME_DEAUTH:
272 if (!rdev->ops->deauth)
273 return -EOPNOTSUPP;
274 cmd.deauth.peer_addr = mlme->addr.sa_data;
275 cmd.deauth.reason_code = mlme->reason_code;
276 return rdev->ops->deauth(wdev->wiphy, dev, &cmd.deauth);
277 case IW_MLME_DISASSOC:
278 if (!rdev->ops->disassoc)
279 return -EOPNOTSUPP;
280 cmd.disassoc.peer_addr = mlme->addr.sa_data;
281 cmd.disassoc.reason_code = mlme->reason_code;
282 return rdev->ops->disassoc(wdev->wiphy, dev, &cmd.disassoc);
283 default:
284 return -EOPNOTSUPP;
285 }
286}
ba44cb72 287EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);
04a773ad
JB		 288
289
290/**
291 * cfg80211_wext_freq - get wext frequency for non-"auto"
292 * @wiphy: the wiphy
293 * @freq: the wext freq encoding
294 *
295 * Returns a channel, %NULL for auto, or an ERR_PTR for errors!
296 */
297struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
298 struct iw_freq *freq)
299{
0b258582
JB		 300 struct ieee80211_channel *chan;
301 int f;
302
303 /*
304 * Parse frequency - return NULL for auto and
305 * -EINVAL for impossible things.
306 */
04a773ad
JB		 307 if (freq->e == 0) {
308 if (freq->m < 0)
309 return NULL;
0b258582 310 f = ieee80211_channel_to_frequency(freq->m);
04a773ad
JB		 311 } else {
312 int i, div = 1000000;
313 for (i = 0; i < freq->e; i++)
314 div /= 10;
0b258582 315 if (div <= 0)
04a773ad 316 return ERR_PTR(-EINVAL);
0b258582 317 f = freq->m / div;
04a773ad
JB		 318 }
319
0b258582
JB		 320 /*
321 * Look up channel struct and return -EINVAL when
322 * it cannot be found.
323 */
324 chan = ieee80211_get_channel(wiphy, f);
325 if (!chan)
326 return ERR_PTR(-EINVAL);
327 return chan;
04a773ad 328}
ba44cb72 329EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
b9a5f8ca
JM		 330
331int cfg80211_wext_siwrts(struct net_device *dev,
332 struct iw_request_info *info,
333 struct iw_param *rts, char *extra)
334{
335 struct wireless_dev *wdev = dev->ieee80211_ptr;
336 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
337 u32 orts = wdev->wiphy->rts_threshold;
338 int err;
339
340 if (rts->disabled || !rts->fixed)
341 wdev->wiphy->rts_threshold = (u32) -1;
342 else if (rts->value < 0)
343 return -EINVAL;
344 else
345 wdev->wiphy->rts_threshold = rts->value;
346
347 err = rdev->ops->set_wiphy_params(wdev->wiphy,
348 WIPHY_PARAM_RTS_THRESHOLD);
349 if (err)
350 wdev->wiphy->rts_threshold = orts;
351
352 return err;
353}
ba44cb72 354EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
b9a5f8ca
JM		 355
356int cfg80211_wext_giwrts(struct net_device *dev,
357 struct iw_request_info *info,
358 struct iw_param *rts, char *extra)
359{
360 struct wireless_dev *wdev = dev->ieee80211_ptr;
361
362 rts->value = wdev->wiphy->rts_threshold;
363 rts->disabled = rts->value == (u32) -1;
364 rts->fixed = 1;
365
366 return 0;
367}
ba44cb72 368EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
b9a5f8ca
JM		 369
370int cfg80211_wext_siwfrag(struct net_device *dev,
371 struct iw_request_info *info,
372 struct iw_param *frag, char *extra)
373{
374 struct wireless_dev *wdev = dev->ieee80211_ptr;
375 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
376 u32 ofrag = wdev->wiphy->frag_threshold;
377 int err;
378
379 if (frag->disabled || !frag->fixed)
380 wdev->wiphy->frag_threshold = (u32) -1;
381 else if (frag->value < 256)
382 return -EINVAL;
383 else {
384 /* Fragment length must be even, so strip LSB. */
385 wdev->wiphy->frag_threshold = frag->value & ~0x1;
386 }
387
388 err = rdev->ops->set_wiphy_params(wdev->wiphy,
389 WIPHY_PARAM_FRAG_THRESHOLD);
390 if (err)
391 wdev->wiphy->frag_threshold = ofrag;
392
393 return err;
394}
ba44cb72 395EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
b9a5f8ca
JM		 396
397int cfg80211_wext_giwfrag(struct net_device *dev,
398 struct iw_request_info *info,
399 struct iw_param *frag, char *extra)
400{
401 struct wireless_dev *wdev = dev->ieee80211_ptr;
402
403 frag->value = wdev->wiphy->frag_threshold;
404 frag->disabled = frag->value == (u32) -1;
405 frag->fixed = 1;
406
407 return 0;
408}
ba44cb72 409EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
b9a5f8ca
JM		 410
411int cfg80211_wext_siwretry(struct net_device *dev,
412 struct iw_request_info *info,
413 struct iw_param *retry, char *extra)
414{
415 struct wireless_dev *wdev = dev->ieee80211_ptr;
416 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
417 u32 changed = 0;
418 u8 olong = wdev->wiphy->retry_long;
419 u8 oshort = wdev->wiphy->retry_short;
420 int err;
421
422 if (retry->disabled ||
423 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
424 return -EINVAL;
425
426 if (retry->flags & IW_RETRY_LONG) {
427 wdev->wiphy->retry_long = retry->value;
428 changed |= WIPHY_PARAM_RETRY_LONG;
429 } else if (retry->flags & IW_RETRY_SHORT) {
430 wdev->wiphy->retry_short = retry->value;
431 changed |= WIPHY_PARAM_RETRY_SHORT;
432 } else {
433 wdev->wiphy->retry_short = retry->value;
434 wdev->wiphy->retry_long = retry->value;
435 changed |= WIPHY_PARAM_RETRY_LONG;
436 changed |= WIPHY_PARAM_RETRY_SHORT;
437 }
438
439 if (!changed)
440 return 0;
441
442 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
443 if (err) {
444 wdev->wiphy->retry_short = oshort;
445 wdev->wiphy->retry_long = olong;
446 }
447
448 return err;
449}
ba44cb72 450EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
b9a5f8ca
JM		 451
452int cfg80211_wext_giwretry(struct net_device *dev,
453 struct iw_request_info *info,
454 struct iw_param *retry, char *extra)
455{
456 struct wireless_dev *wdev = dev->ieee80211_ptr;
457
458 retry->disabled = 0;
459
460 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
461 /*
462 * First return short value, iwconfig will ask long value
463 * later if needed
464 */
465 retry->flags |= IW_RETRY_LIMIT;
466 retry->value = wdev->wiphy->retry_short;
467 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
468 retry->flags |= IW_RETRY_LONG;
469
470 return 0;
471 }
472
473 if (retry->flags & IW_RETRY_LONG) {
474 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
475 retry->value = wdev->wiphy->retry_long;
476 }
477
478 return 0;
479}
ba44cb72 480EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
08645126
JB		 481
482static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
483 struct net_device *dev, const u8 *addr,
484 bool remove, bool tx_key, int idx,
485 struct key_params *params)
486{
487 struct wireless_dev *wdev = dev->ieee80211_ptr;
488 int err;
489
490 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
491 if (!rdev->ops->set_default_mgmt_key)
492 return -EOPNOTSUPP;
493
494 if (idx < 4 || idx > 5)
495 return -EINVAL;
496 } else if (idx < 0 || idx > 3)
497 return -EINVAL;
498
499 if (remove) {
500 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
501 if (!err) {
502 if (idx == wdev->wext.default_key)
503 wdev->wext.default_key = -1;
504 else if (idx == wdev->wext.default_mgmt_key)
505 wdev->wext.default_mgmt_key = -1;
506 }
e3da574a
JB		 507 /*
508 * Applications using wireless extensions expect to be
509 * able to delete keys that don't exist, so allow that.
510 */
511 if (err == -ENOENT)
512 return 0;
513
08645126
JB		 514 return err;
515 } else {
516 if (addr)
517 tx_key = false;
518
519 if (cfg80211_validate_key_settings(params, idx, addr))
520 return -EINVAL;
521
522 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
523 if (err)
524 return err;
525
526 if (tx_key || (!addr && wdev->wext.default_key == -1)) {
527 err = rdev->ops->set_default_key(&rdev->wiphy,
528 dev, idx);
529 if (!err)
530 wdev->wext.default_key = idx;
531 return err;
532 }
533
534 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
535 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
536 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
537 dev, idx);
538 if (!err)
539 wdev->wext.default_mgmt_key = idx;
540 return err;
541 }
542
543 return 0;
544 }
545}
546
547int cfg80211_wext_siwencode(struct net_device *dev,
548 struct iw_request_info *info,
549 struct iw_point *erq, char *keybuf)
550{
551 struct wireless_dev *wdev = dev->ieee80211_ptr;
552 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
553 int idx, err;
554 bool remove = false;
555 struct key_params params;
556
557 /* no use -- only MFP (set_default_mgmt_key) is optional */
558 if (!rdev->ops->del_key ||
559 !rdev->ops->add_key ||
560 !rdev->ops->set_default_key)
561 return -EOPNOTSUPP;
562
563 idx = erq->flags & IW_ENCODE_INDEX;
564 if (idx == 0) {
565 idx = wdev->wext.default_key;
566 if (idx < 0)
567 idx = 0;
568 } else if (idx < 1 || idx > 4)
569 return -EINVAL;
570 else
571 idx--;
572
573 if (erq->flags & IW_ENCODE_DISABLED)
574 remove = true;
575 else if (erq->length == 0) {
576 /* No key data - just set the default TX key index */
577 err = rdev->ops->set_default_key(&rdev->wiphy, dev, idx);
578 if (!err)
579 wdev->wext.default_key = idx;
580 return err;
581 }
582
583 memset(&params, 0, sizeof(params));
584 params.key = keybuf;
585 params.key_len = erq->length;
586 if (erq->length == 5)
587 params.cipher = WLAN_CIPHER_SUITE_WEP40;
588 else if (erq->length == 13)
589 params.cipher = WLAN_CIPHER_SUITE_WEP104;
590 else if (!remove)
591 return -EINVAL;
592
593 return cfg80211_set_encryption(rdev, dev, NULL, remove,
594 wdev->wext.default_key == -1,
595 idx, &params);
596}
597EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
598
599int cfg80211_wext_siwencodeext(struct net_device *dev,
600 struct iw_request_info *info,
601 struct iw_point *erq, char *extra)
602{
603 struct wireless_dev *wdev = dev->ieee80211_ptr;
604 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
605 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
606 const u8 *addr;
607 int idx;
608 bool remove = false;
609 struct key_params params;
610 u32 cipher;
611
612 /* no use -- only MFP (set_default_mgmt_key) is optional */
613 if (!rdev->ops->del_key ||
614 !rdev->ops->add_key ||
615 !rdev->ops->set_default_key)
616 return -EOPNOTSUPP;
617
618 switch (ext->alg) {
619 case IW_ENCODE_ALG_NONE:
620 remove = true;
621 cipher = 0;
622 break;
623 case IW_ENCODE_ALG_WEP:
624 if (ext->key_len == 5)
625 cipher = WLAN_CIPHER_SUITE_WEP40;
626 else if (ext->key_len == 13)
627 cipher = WLAN_CIPHER_SUITE_WEP104;
628 else
629 return -EINVAL;
630 break;
631 case IW_ENCODE_ALG_TKIP:
632 cipher = WLAN_CIPHER_SUITE_TKIP;
633 break;
634 case IW_ENCODE_ALG_CCMP:
635 cipher = WLAN_CIPHER_SUITE_CCMP;
636 break;
637 case IW_ENCODE_ALG_AES_CMAC:
638 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
639 break;
640 default:
641 return -EOPNOTSUPP;
642 }
643
644 if (erq->flags & IW_ENCODE_DISABLED)
645 remove = true;
646
647 idx = erq->flags & IW_ENCODE_INDEX;
648 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
649 if (idx < 4 || idx > 5) {
650 idx = wdev->wext.default_mgmt_key;
651 if (idx < 0)
652 return -EINVAL;
653 } else
654 idx--;
655 } else {
656 if (idx < 1 || idx > 4) {
657 idx = wdev->wext.default_key;
658 if (idx < 0)
659 return -EINVAL;
660 } else
661 idx--;
662 }
663
664 addr = ext->addr.sa_data;
665 if (is_broadcast_ether_addr(addr))
666 addr = NULL;
667
668 memset(&params, 0, sizeof(params));
669 params.key = ext->key;
670 params.key_len = ext->key_len;
671 params.cipher = cipher;
672
faa8fdc8
JM		 673 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
674 params.seq = ext->rx_seq;
675 params.seq_len = 6;
676 }
677
08645126
JB		 678 return cfg80211_set_encryption(
679 rdev, dev, addr, remove,
680 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
681 idx, &params);
682}
683EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
684
685struct giwencode_cookie {
686 size_t buflen;
687 char *keybuf;
688};
689
690static void giwencode_get_key_cb(void *cookie, struct key_params *params)
691{
692 struct giwencode_cookie *data = cookie;
693
694 if (!params->key) {
695 data->buflen = 0;
696 return;
697 }
698
699 data->buflen = min_t(size_t, data->buflen, params->key_len);
700 memcpy(data->keybuf, params->key, data->buflen);
701}
702
703int cfg80211_wext_giwencode(struct net_device *dev,
704 struct iw_request_info *info,
705 struct iw_point *erq, char *keybuf)
706{
707 struct wireless_dev *wdev = dev->ieee80211_ptr;
708 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
709 int idx, err;
710 struct giwencode_cookie data = {
711 .keybuf = keybuf,
712 .buflen = erq->length,
713 };
714
715 if (!rdev->ops->get_key)
716 return -EOPNOTSUPP;
717
718 idx = erq->flags & IW_ENCODE_INDEX;
719 if (idx == 0) {
720 idx = wdev->wext.default_key;
721 if (idx < 0)
722 idx = 0;
723 } else if (idx < 1 || idx > 4)
724 return -EINVAL;
725 else
726 idx--;
727
728 erq->flags = idx + 1;
729
730 err = rdev->ops->get_key(&rdev->wiphy, dev, idx, NULL, &data,
731 giwencode_get_key_cb);
732 if (!err) {
733 erq->length = data.buflen;
734 erq->flags |= IW_ENCODE_ENABLED;
735 return 0;
736 }
737
738 if (err == -ENOENT) {
739 erq->flags |= IW_ENCODE_DISABLED;
740 erq->length = 0;
741 return 0;
742 }
743
744 return err;
745}
746EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
7643a2c3
JB		 747
748int cfg80211_wext_siwtxpower(struct net_device *dev,
749 struct iw_request_info *info,
750 union iwreq_data *data, char *extra)
751{
752 struct wireless_dev *wdev = dev->ieee80211_ptr;
753 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
754 enum tx_power_setting type;
755 int dbm = 0;
756
757 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
758 return -EINVAL;
759 if (data->txpower.flags & IW_TXPOW_RANGE)
760 return -EINVAL;
761
762 if (!rdev->ops->set_tx_power)
763 return -EOPNOTSUPP;
764
765 /* only change when not disabling */
766 if (!data->txpower.disabled) {
1f87f7d3
JB		 767 rfkill_set_sw_state(rdev->rfkill, false);
768
7643a2c3
JB		 769 if (data->txpower.fixed) {
770 /*
771 * wext doesn't support negative values, see
772 * below where it's for automatic
773 */
774 if (data->txpower.value < 0)
775 return -EINVAL;
776 dbm = data->txpower.value;
777 type = TX_POWER_FIXED;
778 /* TODO: do regulatory check! */
779 } else {
780 /*
781 * Automatic power level setting, max being the value
782 * passed in from userland.
783 */
784 if (data->txpower.value < 0) {
785 type = TX_POWER_AUTOMATIC;
786 } else {
787 dbm = data->txpower.value;
788 type = TX_POWER_LIMITED;
789 }
790 }
791 } else {
1f87f7d3
JB		 792 rfkill_set_sw_state(rdev->rfkill, true);
793 schedule_work(&rdev->rfkill_sync);
794 return 0;
7643a2c3
JB		 795 }
796
797 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);;
798}
799EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
800
801int cfg80211_wext_giwtxpower(struct net_device *dev,
802 struct iw_request_info *info,
803 union iwreq_data *data, char *extra)
804{
805 struct wireless_dev *wdev = dev->ieee80211_ptr;
806 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
807 int err, val;
808
809 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
810 return -EINVAL;
811 if (data->txpower.flags & IW_TXPOW_RANGE)
812 return -EINVAL;
813
814 if (!rdev->ops->get_tx_power)
815 return -EOPNOTSUPP;
816
817 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
1f87f7d3 818 if (err)
7643a2c3
JB		 819 return err;
820
821 /* well... oh well */
822 data->txpower.fixed = 1;
1f87f7d3 823 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
7643a2c3
JB		 824 data->txpower.value = val;
825 data->txpower.flags = IW_TXPOW_DBM;
826
827 return 0;
828}
829EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
kernel source for telekom puls (alcatel/mediatek)