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