2 * cfg80211 - wext compat code
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.
8 * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
11 #include <linux/export.h>
12 #include <linux/wireless.h>
13 #include <linux/nl80211.h>
14 #include <linux/if_arp.h>
15 #include <linux/etherdevice.h>
16 #include <linux/slab.h>
17 #include <net/iw_handler.h>
18 #include <net/cfg80211.h>
19 #include <net/cfg80211-wext.h>
20 #include "wext-compat.h"
23 int cfg80211_wext_giwname(struct net_device *dev,
24 struct iw_request_info *info,
25 char *name, char *extra)
27 struct wireless_dev *wdev = dev->ieee80211_ptr;
28 struct ieee80211_supported_band *sband;
29 bool is_ht = false, is_a = false, is_b = false, is_g = false;
34 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
37 is_ht |= sband->ht_cap.ht_supported;
40 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
43 /* Check for mandatory rates */
44 for (i = 0; i < sband->n_bitrates; i++) {
45 if (sband->bitrates[i].bitrate == 10)
47 if (sband->bitrates[i].bitrate == 60)
50 is_ht |= sband->ht_cap.ht_supported;
53 strcpy(name, "IEEE 802.11");
65 EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
67 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
68 u32 *mode, char *extra)
70 struct wireless_dev *wdev = dev->ieee80211_ptr;
71 struct cfg80211_registered_device *rdev;
72 struct vif_params vifparams;
73 enum nl80211_iftype type;
76 rdev = wiphy_to_dev(wdev->wiphy);
80 type = NL80211_IFTYPE_STATION;
83 type = NL80211_IFTYPE_ADHOC;
86 type = NL80211_IFTYPE_WDS;
89 type = NL80211_IFTYPE_MONITOR;
95 if (type == wdev->iftype)
98 memset(&vifparams, 0, sizeof(vifparams));
100 cfg80211_lock_rdev(rdev);
101 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
102 cfg80211_unlock_rdev(rdev);
106 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
108 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
109 u32 *mode, char *extra)
111 struct wireless_dev *wdev = dev->ieee80211_ptr;
116 switch (wdev->iftype) {
117 case NL80211_IFTYPE_AP:
118 *mode = IW_MODE_MASTER;
120 case NL80211_IFTYPE_STATION:
121 *mode = IW_MODE_INFRA;
123 case NL80211_IFTYPE_ADHOC:
124 *mode = IW_MODE_ADHOC;
126 case NL80211_IFTYPE_MONITOR:
127 *mode = IW_MODE_MONITOR;
129 case NL80211_IFTYPE_WDS:
130 *mode = IW_MODE_REPEAT;
132 case NL80211_IFTYPE_AP_VLAN:
133 *mode = IW_MODE_SECOND; /* FIXME */
136 *mode = IW_MODE_AUTO;
141 EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
144 int cfg80211_wext_giwrange(struct net_device *dev,
145 struct iw_request_info *info,
146 struct iw_point *data, char *extra)
148 struct wireless_dev *wdev = dev->ieee80211_ptr;
149 struct iw_range *range = (struct iw_range *) extra;
150 enum ieee80211_band band;
156 data->length = sizeof(struct iw_range);
157 memset(range, 0, sizeof(struct iw_range));
159 range->we_version_compiled = WIRELESS_EXT;
160 range->we_version_source = 21;
161 range->retry_capa = IW_RETRY_LIMIT;
162 range->retry_flags = IW_RETRY_LIMIT;
163 range->min_retry = 0;
164 range->max_retry = 255;
166 range->max_rts = 2347;
167 range->min_frag = 256;
168 range->max_frag = 2346;
170 range->max_encoding_tokens = 4;
172 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
174 switch (wdev->wiphy->signal_type) {
175 case CFG80211_SIGNAL_TYPE_NONE:
177 case CFG80211_SIGNAL_TYPE_MBM:
178 range->max_qual.level = -110;
179 range->max_qual.qual = 70;
180 range->avg_qual.qual = 35;
181 range->max_qual.updated |= IW_QUAL_DBM;
182 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
183 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
185 case CFG80211_SIGNAL_TYPE_UNSPEC:
186 range->max_qual.level = 100;
187 range->max_qual.qual = 100;
188 range->avg_qual.qual = 50;
189 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
190 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
194 range->avg_qual.level = range->max_qual.level / 2;
195 range->avg_qual.noise = range->max_qual.noise / 2;
196 range->avg_qual.updated = range->max_qual.updated;
198 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
199 switch (wdev->wiphy->cipher_suites[i]) {
200 case WLAN_CIPHER_SUITE_TKIP:
201 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
205 case WLAN_CIPHER_SUITE_CCMP:
206 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
210 case WLAN_CIPHER_SUITE_WEP40:
211 range->encoding_size[range->num_encoding_sizes++] =
215 case WLAN_CIPHER_SUITE_WEP104:
216 range->encoding_size[range->num_encoding_sizes++] =
222 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
223 struct ieee80211_supported_band *sband;
225 sband = wdev->wiphy->bands[band];
230 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
231 struct ieee80211_channel *chan = &sband->channels[i];
233 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
235 ieee80211_frequency_to_channel(
237 range->freq[c].m = chan->center_freq;
238 range->freq[c].e = 6;
243 range->num_channels = c;
244 range->num_frequency = c;
246 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
247 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
248 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
250 if (wdev->wiphy->max_scan_ssids > 0)
251 range->scan_capa |= IW_SCAN_CAPA_ESSID;
255 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
259 * cfg80211_wext_freq - get wext frequency for non-"auto"
261 * @freq: the wext freq encoding
263 * Returns a frequency, or a negative error code, or 0 for auto.
265 int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
268 * Parse frequency - return 0 for auto and
269 * -EINVAL for impossible things.
272 enum ieee80211_band band = IEEE80211_BAND_2GHZ;
276 band = IEEE80211_BAND_5GHZ;
277 return ieee80211_channel_to_frequency(freq->m, band);
279 int i, div = 1000000;
280 for (i = 0; i < freq->e; i++)
284 return freq->m / div;
288 int cfg80211_wext_siwrts(struct net_device *dev,
289 struct iw_request_info *info,
290 struct iw_param *rts, char *extra)
292 struct wireless_dev *wdev = dev->ieee80211_ptr;
293 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
294 u32 orts = wdev->wiphy->rts_threshold;
297 if (rts->disabled || !rts->fixed)
298 wdev->wiphy->rts_threshold = (u32) -1;
299 else if (rts->value < 0)
302 wdev->wiphy->rts_threshold = rts->value;
304 err = rdev->ops->set_wiphy_params(wdev->wiphy,
305 WIPHY_PARAM_RTS_THRESHOLD);
307 wdev->wiphy->rts_threshold = orts;
311 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
313 int cfg80211_wext_giwrts(struct net_device *dev,
314 struct iw_request_info *info,
315 struct iw_param *rts, char *extra)
317 struct wireless_dev *wdev = dev->ieee80211_ptr;
319 rts->value = wdev->wiphy->rts_threshold;
320 rts->disabled = rts->value == (u32) -1;
325 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
327 int cfg80211_wext_siwfrag(struct net_device *dev,
328 struct iw_request_info *info,
329 struct iw_param *frag, char *extra)
331 struct wireless_dev *wdev = dev->ieee80211_ptr;
332 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
333 u32 ofrag = wdev->wiphy->frag_threshold;
336 if (frag->disabled || !frag->fixed)
337 wdev->wiphy->frag_threshold = (u32) -1;
338 else if (frag->value < 256)
341 /* Fragment length must be even, so strip LSB. */
342 wdev->wiphy->frag_threshold = frag->value & ~0x1;
345 err = rdev->ops->set_wiphy_params(wdev->wiphy,
346 WIPHY_PARAM_FRAG_THRESHOLD);
348 wdev->wiphy->frag_threshold = ofrag;
352 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
354 int cfg80211_wext_giwfrag(struct net_device *dev,
355 struct iw_request_info *info,
356 struct iw_param *frag, char *extra)
358 struct wireless_dev *wdev = dev->ieee80211_ptr;
360 frag->value = wdev->wiphy->frag_threshold;
361 frag->disabled = frag->value == (u32) -1;
366 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
368 static int cfg80211_wext_siwretry(struct net_device *dev,
369 struct iw_request_info *info,
370 struct iw_param *retry, char *extra)
372 struct wireless_dev *wdev = dev->ieee80211_ptr;
373 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
375 u8 olong = wdev->wiphy->retry_long;
376 u8 oshort = wdev->wiphy->retry_short;
379 if (retry->disabled ||
380 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
383 if (retry->flags & IW_RETRY_LONG) {
384 wdev->wiphy->retry_long = retry->value;
385 changed |= WIPHY_PARAM_RETRY_LONG;
386 } else if (retry->flags & IW_RETRY_SHORT) {
387 wdev->wiphy->retry_short = retry->value;
388 changed |= WIPHY_PARAM_RETRY_SHORT;
390 wdev->wiphy->retry_short = retry->value;
391 wdev->wiphy->retry_long = retry->value;
392 changed |= WIPHY_PARAM_RETRY_LONG;
393 changed |= WIPHY_PARAM_RETRY_SHORT;
399 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
401 wdev->wiphy->retry_short = oshort;
402 wdev->wiphy->retry_long = olong;
408 int cfg80211_wext_giwretry(struct net_device *dev,
409 struct iw_request_info *info,
410 struct iw_param *retry, char *extra)
412 struct wireless_dev *wdev = dev->ieee80211_ptr;
416 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
418 * First return short value, iwconfig will ask long value
421 retry->flags |= IW_RETRY_LIMIT;
422 retry->value = wdev->wiphy->retry_short;
423 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
424 retry->flags |= IW_RETRY_LONG;
429 if (retry->flags & IW_RETRY_LONG) {
430 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
431 retry->value = wdev->wiphy->retry_long;
436 EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
438 static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
439 struct net_device *dev, bool pairwise,
440 const u8 *addr, bool remove, bool tx_key,
441 int idx, struct key_params *params)
443 struct wireless_dev *wdev = dev->ieee80211_ptr;
447 if (pairwise && !addr)
450 if (!wdev->wext.keys) {
451 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
453 if (!wdev->wext.keys)
455 for (i = 0; i < 6; i++)
456 wdev->wext.keys->params[i].key =
457 wdev->wext.keys->data[i];
460 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
461 wdev->iftype != NL80211_IFTYPE_STATION)
464 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
465 if (!wdev->current_bss)
468 if (!rdev->ops->set_default_mgmt_key)
471 if (idx < 4 || idx > 5)
473 } else if (idx < 0 || idx > 3)
478 if (wdev->current_bss) {
480 * If removing the current TX key, we will need to
481 * join a new IBSS without the privacy bit clear.
483 if (idx == wdev->wext.default_key &&
484 wdev->iftype == NL80211_IFTYPE_ADHOC) {
485 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
489 if (!pairwise && addr &&
490 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
493 err = rdev->ops->del_key(&rdev->wiphy, dev, idx,
496 wdev->wext.connect.privacy = false;
498 * Applications using wireless extensions expect to be
499 * able to delete keys that don't exist, so allow that.
505 wdev->wext.keys->params[idx].key_len = 0;
506 wdev->wext.keys->params[idx].cipher = 0;
508 if (idx == wdev->wext.default_key)
509 wdev->wext.default_key = -1;
510 else if (idx == wdev->wext.default_mgmt_key)
511 wdev->wext.default_mgmt_key = -1;
515 err = cfg80211_ibss_wext_join(rdev, wdev);
523 if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr))
527 if (wdev->current_bss)
528 err = rdev->ops->add_key(&rdev->wiphy, dev, idx,
529 pairwise, addr, params);
534 wdev->wext.keys->params[idx] = *params;
535 memcpy(wdev->wext.keys->data[idx],
536 params->key, params->key_len);
537 wdev->wext.keys->params[idx].key =
538 wdev->wext.keys->data[idx];
541 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
542 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
543 (tx_key || (!addr && wdev->wext.default_key == -1))) {
544 if (wdev->current_bss) {
546 * If we are getting a new TX key from not having
547 * had one before we need to join a new IBSS with
548 * the privacy bit set.
550 if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
551 wdev->wext.default_key == -1) {
552 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
555 err = rdev->ops->set_default_key(&rdev->wiphy, dev,
559 wdev->wext.default_key = idx;
561 err = cfg80211_ibss_wext_join(rdev, wdev);
566 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
567 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
568 if (wdev->current_bss)
569 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
572 wdev->wext.default_mgmt_key = idx;
579 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
580 struct net_device *dev, bool pairwise,
581 const u8 *addr, bool remove, bool tx_key,
582 int idx, struct key_params *params)
586 /* devlist mutex needed for possible IBSS re-join */
587 mutex_lock(&rdev->devlist_mtx);
588 wdev_lock(dev->ieee80211_ptr);
589 err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
590 remove, tx_key, idx, params);
591 wdev_unlock(dev->ieee80211_ptr);
592 mutex_unlock(&rdev->devlist_mtx);
597 static int cfg80211_wext_siwencode(struct net_device *dev,
598 struct iw_request_info *info,
599 struct iw_point *erq, char *keybuf)
601 struct wireless_dev *wdev = dev->ieee80211_ptr;
602 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
605 struct key_params params;
607 if (wdev->iftype != NL80211_IFTYPE_STATION &&
608 wdev->iftype != NL80211_IFTYPE_ADHOC)
611 /* no use -- only MFP (set_default_mgmt_key) is optional */
612 if (!rdev->ops->del_key ||
613 !rdev->ops->add_key ||
614 !rdev->ops->set_default_key)
617 idx = erq->flags & IW_ENCODE_INDEX;
619 idx = wdev->wext.default_key;
622 } else if (idx < 1 || idx > 4)
627 if (erq->flags & IW_ENCODE_DISABLED)
629 else if (erq->length == 0) {
630 /* No key data - just set the default TX key index */
633 if (wdev->current_bss)
634 err = rdev->ops->set_default_key(&rdev->wiphy, dev,
637 wdev->wext.default_key = idx;
642 memset(¶ms, 0, sizeof(params));
644 params.key_len = erq->length;
645 if (erq->length == 5)
646 params.cipher = WLAN_CIPHER_SUITE_WEP40;
647 else if (erq->length == 13)
648 params.cipher = WLAN_CIPHER_SUITE_WEP104;
652 return cfg80211_set_encryption(rdev, dev, false, NULL, remove,
653 wdev->wext.default_key == -1,
657 static int cfg80211_wext_siwencodeext(struct net_device *dev,
658 struct iw_request_info *info,
659 struct iw_point *erq, char *extra)
661 struct wireless_dev *wdev = dev->ieee80211_ptr;
662 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
663 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
667 struct key_params params;
670 if (wdev->iftype != NL80211_IFTYPE_STATION &&
671 wdev->iftype != NL80211_IFTYPE_ADHOC)
674 /* no use -- only MFP (set_default_mgmt_key) is optional */
675 if (!rdev->ops->del_key ||
676 !rdev->ops->add_key ||
677 !rdev->ops->set_default_key)
681 case IW_ENCODE_ALG_NONE:
685 case IW_ENCODE_ALG_WEP:
686 if (ext->key_len == 5)
687 cipher = WLAN_CIPHER_SUITE_WEP40;
688 else if (ext->key_len == 13)
689 cipher = WLAN_CIPHER_SUITE_WEP104;
693 case IW_ENCODE_ALG_TKIP:
694 cipher = WLAN_CIPHER_SUITE_TKIP;
696 case IW_ENCODE_ALG_CCMP:
697 cipher = WLAN_CIPHER_SUITE_CCMP;
699 case IW_ENCODE_ALG_AES_CMAC:
700 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
706 if (erq->flags & IW_ENCODE_DISABLED)
709 idx = erq->flags & IW_ENCODE_INDEX;
710 if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
711 if (idx < 4 || idx > 5) {
712 idx = wdev->wext.default_mgmt_key;
718 if (idx < 1 || idx > 4) {
719 idx = wdev->wext.default_key;
726 addr = ext->addr.sa_data;
727 if (is_broadcast_ether_addr(addr))
730 memset(¶ms, 0, sizeof(params));
731 params.key = ext->key;
732 params.key_len = ext->key_len;
733 params.cipher = cipher;
735 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
736 params.seq = ext->rx_seq;
740 return cfg80211_set_encryption(
742 !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY),
744 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
748 static int cfg80211_wext_giwencode(struct net_device *dev,
749 struct iw_request_info *info,
750 struct iw_point *erq, char *keybuf)
752 struct wireless_dev *wdev = dev->ieee80211_ptr;
755 if (wdev->iftype != NL80211_IFTYPE_STATION &&
756 wdev->iftype != NL80211_IFTYPE_ADHOC)
759 idx = erq->flags & IW_ENCODE_INDEX;
761 idx = wdev->wext.default_key;
764 } else if (idx < 1 || idx > 4)
769 erq->flags = idx + 1;
771 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
772 erq->flags |= IW_ENCODE_DISABLED;
777 erq->length = min_t(size_t, erq->length,
778 wdev->wext.keys->params[idx].key_len);
779 memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
780 erq->flags |= IW_ENCODE_ENABLED;
785 static int cfg80211_wext_siwfreq(struct net_device *dev,
786 struct iw_request_info *info,
787 struct iw_freq *wextfreq, char *extra)
789 struct wireless_dev *wdev = dev->ieee80211_ptr;
790 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
793 switch (wdev->iftype) {
794 case NL80211_IFTYPE_STATION:
795 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
796 case NL80211_IFTYPE_ADHOC:
797 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
798 case NL80211_IFTYPE_MONITOR:
799 case NL80211_IFTYPE_WDS:
800 case NL80211_IFTYPE_MESH_POINT:
801 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
806 mutex_lock(&rdev->devlist_mtx);
808 err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
810 mutex_unlock(&rdev->devlist_mtx);
817 static int cfg80211_wext_giwfreq(struct net_device *dev,
818 struct iw_request_info *info,
819 struct iw_freq *freq, char *extra)
821 struct wireless_dev *wdev = dev->ieee80211_ptr;
823 switch (wdev->iftype) {
824 case NL80211_IFTYPE_STATION:
825 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
826 case NL80211_IFTYPE_ADHOC:
827 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
831 freq->m = wdev->channel->center_freq;
837 static int cfg80211_wext_siwtxpower(struct net_device *dev,
838 struct iw_request_info *info,
839 union iwreq_data *data, char *extra)
841 struct wireless_dev *wdev = dev->ieee80211_ptr;
842 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
843 enum nl80211_tx_power_setting type;
846 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
848 if (data->txpower.flags & IW_TXPOW_RANGE)
851 if (!rdev->ops->set_tx_power)
854 /* only change when not disabling */
855 if (!data->txpower.disabled) {
856 rfkill_set_sw_state(rdev->rfkill, false);
858 if (data->txpower.fixed) {
860 * wext doesn't support negative values, see
861 * below where it's for automatic
863 if (data->txpower.value < 0)
865 dbm = data->txpower.value;
866 type = NL80211_TX_POWER_FIXED;
867 /* TODO: do regulatory check! */
870 * Automatic power level setting, max being the value
871 * passed in from userland.
873 if (data->txpower.value < 0) {
874 type = NL80211_TX_POWER_AUTOMATIC;
876 dbm = data->txpower.value;
877 type = NL80211_TX_POWER_LIMITED;
881 rfkill_set_sw_state(rdev->rfkill, true);
882 schedule_work(&rdev->rfkill_sync);
886 return rdev->ops->set_tx_power(wdev->wiphy, type, DBM_TO_MBM(dbm));
889 static int cfg80211_wext_giwtxpower(struct net_device *dev,
890 struct iw_request_info *info,
891 union iwreq_data *data, char *extra)
893 struct wireless_dev *wdev = dev->ieee80211_ptr;
894 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
897 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
899 if (data->txpower.flags & IW_TXPOW_RANGE)
902 if (!rdev->ops->get_tx_power)
905 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
909 /* well... oh well */
910 data->txpower.fixed = 1;
911 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
912 data->txpower.value = val;
913 data->txpower.flags = IW_TXPOW_DBM;
918 static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
926 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
927 IW_AUTH_ALG_SHARED_KEY |
931 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
933 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
936 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
938 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
941 if (auth_alg & IW_AUTH_ALG_LEAP) {
943 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
947 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
952 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
954 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
955 IW_AUTH_WPA_VERSION_WPA2|
956 IW_AUTH_WPA_VERSION_DISABLED))
959 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
960 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
961 IW_AUTH_WPA_VERSION_WPA2)))
964 if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
965 wdev->wext.connect.crypto.wpa_versions &=
966 ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
968 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
969 wdev->wext.connect.crypto.wpa_versions |=
970 NL80211_WPA_VERSION_1;
972 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
973 wdev->wext.connect.crypto.wpa_versions |=
974 NL80211_WPA_VERSION_2;
979 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
981 if (cipher & IW_AUTH_CIPHER_WEP40)
982 wdev->wext.connect.crypto.cipher_group =
983 WLAN_CIPHER_SUITE_WEP40;
984 else if (cipher & IW_AUTH_CIPHER_WEP104)
985 wdev->wext.connect.crypto.cipher_group =
986 WLAN_CIPHER_SUITE_WEP104;
987 else if (cipher & IW_AUTH_CIPHER_TKIP)
988 wdev->wext.connect.crypto.cipher_group =
989 WLAN_CIPHER_SUITE_TKIP;
990 else if (cipher & IW_AUTH_CIPHER_CCMP)
991 wdev->wext.connect.crypto.cipher_group =
992 WLAN_CIPHER_SUITE_CCMP;
993 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
994 wdev->wext.connect.crypto.cipher_group =
995 WLAN_CIPHER_SUITE_AES_CMAC;
996 else if (cipher & IW_AUTH_CIPHER_NONE)
997 wdev->wext.connect.crypto.cipher_group = 0;
1004 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
1007 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
1009 if (cipher & IW_AUTH_CIPHER_WEP40) {
1010 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
1014 if (cipher & IW_AUTH_CIPHER_WEP104) {
1015 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1019 if (cipher & IW_AUTH_CIPHER_TKIP) {
1020 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1024 if (cipher & IW_AUTH_CIPHER_CCMP) {
1025 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1029 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1030 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1034 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1036 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1042 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
1044 int nr_akm_suites = 0;
1046 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1047 IW_AUTH_KEY_MGMT_PSK))
1050 if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1051 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1052 WLAN_AKM_SUITE_8021X;
1056 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1057 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1062 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1067 static int cfg80211_wext_siwauth(struct net_device *dev,
1068 struct iw_request_info *info,
1069 struct iw_param *data, char *extra)
1071 struct wireless_dev *wdev = dev->ieee80211_ptr;
1073 if (wdev->iftype != NL80211_IFTYPE_STATION)
1076 switch (data->flags & IW_AUTH_INDEX) {
1077 case IW_AUTH_PRIVACY_INVOKED:
1078 wdev->wext.connect.privacy = data->value;
1080 case IW_AUTH_WPA_VERSION:
1081 return cfg80211_set_wpa_version(wdev, data->value);
1082 case IW_AUTH_CIPHER_GROUP:
1083 return cfg80211_set_cipher_group(wdev, data->value);
1084 case IW_AUTH_KEY_MGMT:
1085 return cfg80211_set_key_mgt(wdev, data->value);
1086 case IW_AUTH_CIPHER_PAIRWISE:
1087 return cfg80211_set_cipher_pairwise(wdev, data->value);
1088 case IW_AUTH_80211_AUTH_ALG:
1089 return cfg80211_set_auth_alg(wdev, data->value);
1090 case IW_AUTH_WPA_ENABLED:
1091 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1092 case IW_AUTH_DROP_UNENCRYPTED:
1100 static int cfg80211_wext_giwauth(struct net_device *dev,
1101 struct iw_request_info *info,
1102 struct iw_param *data, char *extra)
1104 /* XXX: what do we need? */
1109 static int cfg80211_wext_siwpower(struct net_device *dev,
1110 struct iw_request_info *info,
1111 struct iw_param *wrq, char *extra)
1113 struct wireless_dev *wdev = dev->ieee80211_ptr;
1114 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1116 int timeout = wdev->ps_timeout;
1119 if (wdev->iftype != NL80211_IFTYPE_STATION)
1122 if (!rdev->ops->set_power_mgmt)
1125 if (wrq->disabled) {
1128 switch (wrq->flags & IW_POWER_MODE) {
1129 case IW_POWER_ON: /* If not specified */
1130 case IW_POWER_MODE: /* If set all mask */
1131 case IW_POWER_ALL_R: /* If explicitely state all */
1134 default: /* Otherwise we ignore */
1138 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1141 if (wrq->flags & IW_POWER_TIMEOUT)
1142 timeout = wrq->value / 1000;
1145 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1150 wdev->ps_timeout = timeout;
1156 static int cfg80211_wext_giwpower(struct net_device *dev,
1157 struct iw_request_info *info,
1158 struct iw_param *wrq, char *extra)
1160 struct wireless_dev *wdev = dev->ieee80211_ptr;
1162 wrq->disabled = !wdev->ps;
1167 static int cfg80211_wds_wext_siwap(struct net_device *dev,
1168 struct iw_request_info *info,
1169 struct sockaddr *addr, char *extra)
1171 struct wireless_dev *wdev = dev->ieee80211_ptr;
1172 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1175 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1178 if (addr->sa_family != ARPHRD_ETHER)
1181 if (netif_running(dev))
1184 if (!rdev->ops->set_wds_peer)
1187 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1191 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1196 static int cfg80211_wds_wext_giwap(struct net_device *dev,
1197 struct iw_request_info *info,
1198 struct sockaddr *addr, char *extra)
1200 struct wireless_dev *wdev = dev->ieee80211_ptr;
1202 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1205 addr->sa_family = ARPHRD_ETHER;
1206 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1211 static int cfg80211_wext_siwrate(struct net_device *dev,
1212 struct iw_request_info *info,
1213 struct iw_param *rate, char *extra)
1215 struct wireless_dev *wdev = dev->ieee80211_ptr;
1216 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1217 struct cfg80211_bitrate_mask mask;
1219 struct ieee80211_supported_band *sband;
1223 if (!rdev->ops->set_bitrate_mask)
1226 memset(&mask, 0, sizeof(mask));
1230 if (rate->value < 0) {
1232 } else if (rate->fixed) {
1233 fixed = rate->value / 100000;
1235 maxrate = rate->value / 100000;
1238 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1239 sband = wdev->wiphy->bands[band];
1242 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
1243 struct ieee80211_rate *srate = &sband->bitrates[ridx];
1244 if (fixed == srate->bitrate) {
1245 mask.control[band].legacy = 1 << ridx;
1249 if (srate->bitrate <= maxrate) {
1250 mask.control[band].legacy |= 1 << ridx;
1259 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1262 static int cfg80211_wext_giwrate(struct net_device *dev,
1263 struct iw_request_info *info,
1264 struct iw_param *rate, char *extra)
1266 struct wireless_dev *wdev = dev->ieee80211_ptr;
1267 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1268 /* we are under RTNL - globally locked - so can use a static struct */
1269 static struct station_info sinfo;
1273 if (wdev->iftype != NL80211_IFTYPE_STATION)
1276 if (!rdev->ops->get_station)
1281 if (wdev->current_bss)
1282 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
1289 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1293 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1296 rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
1301 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1302 static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1304 struct wireless_dev *wdev = dev->ieee80211_ptr;
1305 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1306 /* we are under RTNL - globally locked - so can use static structs */
1307 static struct iw_statistics wstats;
1308 static struct station_info sinfo;
1311 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1314 if (!rdev->ops->get_station)
1317 /* Grab BSSID of current BSS, if any */
1319 if (!wdev->current_bss) {
1323 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1326 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
1329 memset(&wstats, 0, sizeof(wstats));
1331 switch (rdev->wiphy.signal_type) {
1332 case CFG80211_SIGNAL_TYPE_MBM:
1333 if (sinfo.filled & STATION_INFO_SIGNAL) {
1334 int sig = sinfo.signal;
1335 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1336 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1337 wstats.qual.updated |= IW_QUAL_DBM;
1338 wstats.qual.level = sig;
1343 wstats.qual.qual = sig + 110;
1346 case CFG80211_SIGNAL_TYPE_UNSPEC:
1347 if (sinfo.filled & STATION_INFO_SIGNAL) {
1348 wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1349 wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1350 wstats.qual.level = sinfo.signal;
1351 wstats.qual.qual = sinfo.signal;
1355 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1356 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1359 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1360 if (sinfo.filled & STATION_INFO_RX_DROP_MISC)
1361 wstats.discard.misc = sinfo.rx_dropped_misc;
1362 if (sinfo.filled & STATION_INFO_TX_FAILED)
1363 wstats.discard.retries = sinfo.tx_failed;
1368 static int cfg80211_wext_siwap(struct net_device *dev,
1369 struct iw_request_info *info,
1370 struct sockaddr *ap_addr, char *extra)
1372 struct wireless_dev *wdev = dev->ieee80211_ptr;
1374 switch (wdev->iftype) {
1375 case NL80211_IFTYPE_ADHOC:
1376 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1377 case NL80211_IFTYPE_STATION:
1378 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1379 case NL80211_IFTYPE_WDS:
1380 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1386 static int cfg80211_wext_giwap(struct net_device *dev,
1387 struct iw_request_info *info,
1388 struct sockaddr *ap_addr, char *extra)
1390 struct wireless_dev *wdev = dev->ieee80211_ptr;
1392 switch (wdev->iftype) {
1393 case NL80211_IFTYPE_ADHOC:
1394 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1395 case NL80211_IFTYPE_STATION:
1396 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1397 case NL80211_IFTYPE_WDS:
1398 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1404 static int cfg80211_wext_siwessid(struct net_device *dev,
1405 struct iw_request_info *info,
1406 struct iw_point *data, char *ssid)
1408 struct wireless_dev *wdev = dev->ieee80211_ptr;
1410 switch (wdev->iftype) {
1411 case NL80211_IFTYPE_ADHOC:
1412 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1413 case NL80211_IFTYPE_STATION:
1414 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1420 static int cfg80211_wext_giwessid(struct net_device *dev,
1421 struct iw_request_info *info,
1422 struct iw_point *data, char *ssid)
1424 struct wireless_dev *wdev = dev->ieee80211_ptr;
1429 switch (wdev->iftype) {
1430 case NL80211_IFTYPE_ADHOC:
1431 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1432 case NL80211_IFTYPE_STATION:
1433 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1439 static int cfg80211_wext_siwpmksa(struct net_device *dev,
1440 struct iw_request_info *info,
1441 struct iw_point *data, char *extra)
1443 struct wireless_dev *wdev = dev->ieee80211_ptr;
1444 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1445 struct cfg80211_pmksa cfg_pmksa;
1446 struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
1448 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1450 if (wdev->iftype != NL80211_IFTYPE_STATION)
1453 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1454 cfg_pmksa.pmkid = pmksa->pmkid;
1456 switch (pmksa->cmd) {
1458 if (!rdev->ops->set_pmksa)
1461 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1463 case IW_PMKSA_REMOVE:
1464 if (!rdev->ops->del_pmksa)
1467 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1469 case IW_PMKSA_FLUSH:
1470 if (!rdev->ops->flush_pmksa)
1473 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1480 static const iw_handler cfg80211_handlers[] = {
1481 [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
1482 [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
1483 [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
1484 [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
1485 [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
1486 [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
1487 [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
1488 [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
1489 [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
1490 [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
1491 [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
1492 [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
1493 [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
1494 [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
1495 [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
1496 [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
1497 [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
1498 [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
1499 [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
1500 [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
1501 [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
1502 [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
1503 [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
1504 [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
1505 [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
1506 [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
1507 [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
1508 [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
1509 [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
1510 [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
1511 [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
1512 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
1515 const struct iw_handler_def cfg80211_wext_handler = {
1516 .num_standard = ARRAY_SIZE(cfg80211_handlers),
1517 .standard = cfg80211_handlers,
1518 .get_wireless_stats = cfg80211_wireless_stats,