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/wireless.h>
12 #include <linux/nl80211.h>
13 #include <linux/if_arp.h>
14 #include <linux/etherdevice.h>
15 #include <net/iw_handler.h>
16 #include <net/cfg80211.h>
17 #include "wext-compat.h"
20 int cfg80211_wext_giwname(struct net_device *dev,
21 struct iw_request_info *info,
22 char *name, char *extra)
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;
31 sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
34 is_ht |= sband->ht_cap.ht_supported;
37 sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
40 /* Check for mandatory rates */
41 for (i = 0; i < sband->n_bitrates; i++) {
42 if (sband->bitrates[i].bitrate == 10)
44 if (sband->bitrates[i].bitrate == 60)
47 is_ht |= sband->ht_cap.ht_supported;
50 strcpy(name, "IEEE 802.11");
62 EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
64 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
65 u32 *mode, char *extra)
67 struct wireless_dev *wdev = dev->ieee80211_ptr;
68 struct cfg80211_registered_device *rdev;
69 struct vif_params vifparams;
70 enum nl80211_iftype type;
73 rdev = wiphy_to_dev(wdev->wiphy);
77 type = NL80211_IFTYPE_STATION;
80 type = NL80211_IFTYPE_ADHOC;
83 type = NL80211_IFTYPE_WDS;
86 type = NL80211_IFTYPE_MONITOR;
92 if (type == wdev->iftype)
95 memset(&vifparams, 0, sizeof(vifparams));
97 cfg80211_lock_rdev(rdev);
98 ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
99 cfg80211_unlock_rdev(rdev);
103 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
105 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
106 u32 *mode, char *extra)
108 struct wireless_dev *wdev = dev->ieee80211_ptr;
113 switch (wdev->iftype) {
114 case NL80211_IFTYPE_AP:
115 *mode = IW_MODE_MASTER;
117 case NL80211_IFTYPE_STATION:
118 *mode = IW_MODE_INFRA;
120 case NL80211_IFTYPE_ADHOC:
121 *mode = IW_MODE_ADHOC;
123 case NL80211_IFTYPE_MONITOR:
124 *mode = IW_MODE_MONITOR;
126 case NL80211_IFTYPE_WDS:
127 *mode = IW_MODE_REPEAT;
129 case NL80211_IFTYPE_AP_VLAN:
130 *mode = IW_MODE_SECOND; /* FIXME */
133 *mode = IW_MODE_AUTO;
138 EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
141 int cfg80211_wext_giwrange(struct net_device *dev,
142 struct iw_request_info *info,
143 struct iw_point *data, char *extra)
145 struct wireless_dev *wdev = dev->ieee80211_ptr;
146 struct iw_range *range = (struct iw_range *) extra;
147 enum ieee80211_band band;
153 data->length = sizeof(struct iw_range);
154 memset(range, 0, sizeof(struct iw_range));
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;
163 range->max_rts = 2347;
164 range->min_frag = 256;
165 range->max_frag = 2346;
167 range->max_encoding_tokens = 4;
169 range->max_qual.updated = IW_QUAL_NOISE_INVALID;
171 switch (wdev->wiphy->signal_type) {
172 case CFG80211_SIGNAL_TYPE_NONE:
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;
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;
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;
195 for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
196 switch (wdev->wiphy->cipher_suites[i]) {
197 case WLAN_CIPHER_SUITE_TKIP:
198 range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
202 case WLAN_CIPHER_SUITE_CCMP:
203 range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
207 case WLAN_CIPHER_SUITE_WEP40:
208 range->encoding_size[range->num_encoding_sizes++] =
212 case WLAN_CIPHER_SUITE_WEP104:
213 range->encoding_size[range->num_encoding_sizes++] =
219 for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
220 struct ieee80211_supported_band *sband;
222 sband = wdev->wiphy->bands[band];
227 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
228 struct ieee80211_channel *chan = &sband->channels[i];
230 if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
232 ieee80211_frequency_to_channel(
234 range->freq[c].m = chan->center_freq;
235 range->freq[c].e = 6;
240 range->num_channels = c;
241 range->num_frequency = c;
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);
247 if (wdev->wiphy->max_scan_ssids > 0)
248 range->scan_capa |= IW_SCAN_CAPA_ESSID;
252 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
256 * cfg80211_wext_freq - get wext frequency for non-"auto"
258 * @freq: the wext freq encoding
260 * Returns a frequency, or a negative error code, or 0 for auto.
262 int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
265 * Parse frequency - return 0 for auto and
266 * -EINVAL for impossible things.
271 return ieee80211_channel_to_frequency(freq->m);
273 int i, div = 1000000;
274 for (i = 0; i < freq->e; i++)
278 return freq->m / div;
282 int cfg80211_wext_siwrts(struct net_device *dev,
283 struct iw_request_info *info,
284 struct iw_param *rts, char *extra)
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;
291 if (rts->disabled || !rts->fixed)
292 wdev->wiphy->rts_threshold = (u32) -1;
293 else if (rts->value < 0)
296 wdev->wiphy->rts_threshold = rts->value;
298 err = rdev->ops->set_wiphy_params(wdev->wiphy,
299 WIPHY_PARAM_RTS_THRESHOLD);
301 wdev->wiphy->rts_threshold = orts;
305 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
307 int cfg80211_wext_giwrts(struct net_device *dev,
308 struct iw_request_info *info,
309 struct iw_param *rts, char *extra)
311 struct wireless_dev *wdev = dev->ieee80211_ptr;
313 rts->value = wdev->wiphy->rts_threshold;
314 rts->disabled = rts->value == (u32) -1;
319 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
321 int cfg80211_wext_siwfrag(struct net_device *dev,
322 struct iw_request_info *info,
323 struct iw_param *frag, char *extra)
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;
330 if (frag->disabled || !frag->fixed)
331 wdev->wiphy->frag_threshold = (u32) -1;
332 else if (frag->value < 256)
335 /* Fragment length must be even, so strip LSB. */
336 wdev->wiphy->frag_threshold = frag->value & ~0x1;
339 err = rdev->ops->set_wiphy_params(wdev->wiphy,
340 WIPHY_PARAM_FRAG_THRESHOLD);
342 wdev->wiphy->frag_threshold = ofrag;
346 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
348 int cfg80211_wext_giwfrag(struct net_device *dev,
349 struct iw_request_info *info,
350 struct iw_param *frag, char *extra)
352 struct wireless_dev *wdev = dev->ieee80211_ptr;
354 frag->value = wdev->wiphy->frag_threshold;
355 frag->disabled = frag->value == (u32) -1;
360 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
362 int cfg80211_wext_siwretry(struct net_device *dev,
363 struct iw_request_info *info,
364 struct iw_param *retry, char *extra)
366 struct wireless_dev *wdev = dev->ieee80211_ptr;
367 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
369 u8 olong = wdev->wiphy->retry_long;
370 u8 oshort = wdev->wiphy->retry_short;
373 if (retry->disabled ||
374 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
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;
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;
393 err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
395 wdev->wiphy->retry_short = oshort;
396 wdev->wiphy->retry_long = olong;
401 EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
403 int cfg80211_wext_giwretry(struct net_device *dev,
404 struct iw_request_info *info,
405 struct iw_param *retry, char *extra)
407 struct wireless_dev *wdev = dev->ieee80211_ptr;
411 if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
413 * First return short value, iwconfig will ask long value
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;
424 if (retry->flags & IW_RETRY_LONG) {
425 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
426 retry->value = wdev->wiphy->retry_long;
431 EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
433 static 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)
438 struct wireless_dev *wdev = dev->ieee80211_ptr;
442 if (!wdev->wext.keys) {
443 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
445 if (!wdev->wext.keys)
447 for (i = 0; i < 6; i++)
448 wdev->wext.keys->params[i].key =
449 wdev->wext.keys->data[i];
452 if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
453 wdev->iftype != NL80211_IFTYPE_STATION)
456 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
457 if (!wdev->current_bss)
460 if (!rdev->ops->set_default_mgmt_key)
463 if (idx < 4 || idx > 5)
465 } else if (idx < 0 || idx > 3)
470 if (wdev->current_bss) {
472 * If removing the current TX key, we will need to
473 * join a new IBSS without the privacy bit clear.
475 if (idx == wdev->wext.default_key &&
476 wdev->iftype == NL80211_IFTYPE_ADHOC) {
477 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
480 err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
483 * Applications using wireless extensions expect to be
484 * able to delete keys that don't exist, so allow that.
490 wdev->wext.keys->params[idx].key_len = 0;
491 wdev->wext.keys->params[idx].cipher = 0;
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;
500 err = cfg80211_ibss_wext_join(rdev, wdev);
508 if (cfg80211_validate_key_settings(rdev, params, idx, addr))
512 if (wdev->current_bss)
513 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
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];
525 if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
526 params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
527 (tx_key || (!addr && wdev->wext.default_key == -1))) {
528 if (wdev->current_bss) {
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.
534 if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
535 wdev->wext.default_key == -1) {
536 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
539 err = rdev->ops->set_default_key(&rdev->wiphy,
543 wdev->wext.default_key = idx;
545 err = cfg80211_ibss_wext_join(rdev, wdev);
550 if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
551 (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
552 if (wdev->current_bss)
553 err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
556 wdev->wext.default_mgmt_key = idx;
563 static 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)
570 /* devlist mutex needed for possible IBSS re-join */
571 mutex_lock(&rdev->devlist_mtx);
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);
576 mutex_unlock(&rdev->devlist_mtx);
581 int cfg80211_wext_siwencode(struct net_device *dev,
582 struct iw_request_info *info,
583 struct iw_point *erq, char *keybuf)
585 struct wireless_dev *wdev = dev->ieee80211_ptr;
586 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
589 struct key_params params;
591 if (wdev->iftype != NL80211_IFTYPE_STATION &&
592 wdev->iftype != NL80211_IFTYPE_ADHOC)
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)
601 idx = erq->flags & IW_ENCODE_INDEX;
603 idx = wdev->wext.default_key;
606 } else if (idx < 1 || idx > 4)
611 if (erq->flags & IW_ENCODE_DISABLED)
613 else if (erq->length == 0) {
614 /* No key data - just set the default TX key index */
617 if (wdev->current_bss)
618 err = rdev->ops->set_default_key(&rdev->wiphy,
621 wdev->wext.default_key = idx;
626 memset(¶ms, 0, sizeof(params));
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;
636 return cfg80211_set_encryption(rdev, dev, NULL, remove,
637 wdev->wext.default_key == -1,
640 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
642 int cfg80211_wext_siwencodeext(struct net_device *dev,
643 struct iw_request_info *info,
644 struct iw_point *erq, char *extra)
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;
652 struct key_params params;
655 if (wdev->iftype != NL80211_IFTYPE_STATION &&
656 wdev->iftype != NL80211_IFTYPE_ADHOC)
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)
666 case IW_ENCODE_ALG_NONE:
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;
678 case IW_ENCODE_ALG_TKIP:
679 cipher = WLAN_CIPHER_SUITE_TKIP;
681 case IW_ENCODE_ALG_CCMP:
682 cipher = WLAN_CIPHER_SUITE_CCMP;
684 case IW_ENCODE_ALG_AES_CMAC:
685 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
691 if (erq->flags & IW_ENCODE_DISABLED)
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;
703 if (idx < 1 || idx > 4) {
704 idx = wdev->wext.default_key;
711 addr = ext->addr.sa_data;
712 if (is_broadcast_ether_addr(addr))
715 memset(¶ms, 0, sizeof(params));
716 params.key = ext->key;
717 params.key_len = ext->key_len;
718 params.cipher = cipher;
720 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
721 params.seq = ext->rx_seq;
725 return cfg80211_set_encryption(
726 rdev, dev, addr, remove,
727 ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
730 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
732 int cfg80211_wext_giwencode(struct net_device *dev,
733 struct iw_request_info *info,
734 struct iw_point *erq, char *keybuf)
736 struct wireless_dev *wdev = dev->ieee80211_ptr;
739 if (wdev->iftype != NL80211_IFTYPE_STATION &&
740 wdev->iftype != NL80211_IFTYPE_ADHOC)
743 idx = erq->flags & IW_ENCODE_INDEX;
745 idx = wdev->wext.default_key;
748 } else if (idx < 1 || idx > 4)
753 erq->flags = idx + 1;
755 if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
756 erq->flags |= IW_ENCODE_DISABLED;
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;
768 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
770 int cfg80211_wext_siwfreq(struct net_device *dev,
771 struct iw_request_info *info,
772 struct iw_freq *wextfreq, char *extra)
774 struct wireless_dev *wdev = dev->ieee80211_ptr;
775 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
778 switch (wdev->iftype) {
779 case NL80211_IFTYPE_STATION:
780 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
781 case NL80211_IFTYPE_ADHOC:
782 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
784 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
789 mutex_lock(&rdev->devlist_mtx);
790 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
791 mutex_unlock(&rdev->devlist_mtx);
795 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
797 int cfg80211_wext_giwfreq(struct net_device *dev,
798 struct iw_request_info *info,
799 struct iw_freq *freq, char *extra)
801 struct wireless_dev *wdev = dev->ieee80211_ptr;
802 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
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);
812 freq->m = rdev->channel->center_freq;
817 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
819 int cfg80211_wext_siwtxpower(struct net_device *dev,
820 struct iw_request_info *info,
821 union iwreq_data *data, char *extra)
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;
828 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
830 if (data->txpower.flags & IW_TXPOW_RANGE)
833 if (!rdev->ops->set_tx_power)
836 /* only change when not disabling */
837 if (!data->txpower.disabled) {
838 rfkill_set_sw_state(rdev->rfkill, false);
840 if (data->txpower.fixed) {
842 * wext doesn't support negative values, see
843 * below where it's for automatic
845 if (data->txpower.value < 0)
847 dbm = data->txpower.value;
848 type = TX_POWER_FIXED;
849 /* TODO: do regulatory check! */
852 * Automatic power level setting, max being the value
853 * passed in from userland.
855 if (data->txpower.value < 0) {
856 type = TX_POWER_AUTOMATIC;
858 dbm = data->txpower.value;
859 type = TX_POWER_LIMITED;
863 rfkill_set_sw_state(rdev->rfkill, true);
864 schedule_work(&rdev->rfkill_sync);
868 return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
870 EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
872 int cfg80211_wext_giwtxpower(struct net_device *dev,
873 struct iw_request_info *info,
874 union iwreq_data *data, char *extra)
876 struct wireless_dev *wdev = dev->ieee80211_ptr;
877 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
880 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
882 if (data->txpower.flags & IW_TXPOW_RANGE)
885 if (!rdev->ops->get_tx_power)
888 err = rdev->ops->get_tx_power(wdev->wiphy, &val);
892 /* well... oh well */
893 data->txpower.fixed = 1;
894 data->txpower.disabled = rfkill_blocked(rdev->rfkill);
895 data->txpower.value = val;
896 data->txpower.flags = IW_TXPOW_DBM;
900 EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
902 static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
910 if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
911 IW_AUTH_ALG_SHARED_KEY |
915 if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
917 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
920 if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
922 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
925 if (auth_alg & IW_AUTH_ALG_LEAP) {
927 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
931 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
936 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
938 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
939 IW_AUTH_WPA_VERSION_WPA2|
940 IW_AUTH_WPA_VERSION_DISABLED))
943 if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
944 (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
945 IW_AUTH_WPA_VERSION_WPA2)))
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);
952 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
953 wdev->wext.connect.crypto.wpa_versions |=
954 NL80211_WPA_VERSION_1;
956 if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
957 wdev->wext.connect.crypto.wpa_versions |=
958 NL80211_WPA_VERSION_2;
963 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
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;
980 else if (cipher & IW_AUTH_CIPHER_NONE)
981 wdev->wext.connect.crypto.cipher_group = 0;
988 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
991 u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
993 if (cipher & IW_AUTH_CIPHER_WEP40) {
994 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
998 if (cipher & IW_AUTH_CIPHER_WEP104) {
999 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1003 if (cipher & IW_AUTH_CIPHER_TKIP) {
1004 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1008 if (cipher & IW_AUTH_CIPHER_CCMP) {
1009 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1013 if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1014 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1018 BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1020 wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1026 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
1028 int nr_akm_suites = 0;
1030 if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1031 IW_AUTH_KEY_MGMT_PSK))
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;
1040 if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1041 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1046 wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1051 int cfg80211_wext_siwauth(struct net_device *dev,
1052 struct iw_request_info *info,
1053 struct iw_param *data, char *extra)
1055 struct wireless_dev *wdev = dev->ieee80211_ptr;
1057 if (wdev->iftype != NL80211_IFTYPE_STATION)
1060 switch (data->flags & IW_AUTH_INDEX) {
1061 case IW_AUTH_PRIVACY_INVOKED:
1062 wdev->wext.connect.privacy = data->value;
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:
1083 EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1085 int cfg80211_wext_giwauth(struct net_device *dev,
1086 struct iw_request_info *info,
1087 struct iw_param *data, char *extra)
1089 /* XXX: what do we need? */
1093 EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
1095 int cfg80211_wext_siwpower(struct net_device *dev,
1096 struct iw_request_info *info,
1097 struct iw_param *wrq, char *extra)
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;
1105 if (wdev->iftype != NL80211_IFTYPE_STATION)
1108 if (!rdev->ops->set_power_mgmt)
1111 if (wrq->disabled) {
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 */
1120 default: /* Otherwise we ignore */
1124 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1127 if (wrq->flags & IW_POWER_TIMEOUT)
1128 timeout = wrq->value / 1000;
1131 err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1136 wdev->wext.ps_timeout = timeout;
1141 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1143 int cfg80211_wext_giwpower(struct net_device *dev,
1144 struct iw_request_info *info,
1145 struct iw_param *wrq, char *extra)
1147 struct wireless_dev *wdev = dev->ieee80211_ptr;
1149 wrq->disabled = !wdev->wext.ps;
1153 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
1155 static int cfg80211_wds_wext_siwap(struct net_device *dev,
1156 struct iw_request_info *info,
1157 struct sockaddr *addr, char *extra)
1159 struct wireless_dev *wdev = dev->ieee80211_ptr;
1160 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1163 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1166 if (addr->sa_family != ARPHRD_ETHER)
1169 if (netif_running(dev))
1172 if (!rdev->ops->set_wds_peer)
1175 err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1179 memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1184 static int cfg80211_wds_wext_giwap(struct net_device *dev,
1185 struct iw_request_info *info,
1186 struct sockaddr *addr, char *extra)
1188 struct wireless_dev *wdev = dev->ieee80211_ptr;
1190 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1193 addr->sa_family = ARPHRD_ETHER;
1194 memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1199 int cfg80211_wext_siwrate(struct net_device *dev,
1200 struct iw_request_info *info,
1201 struct iw_param *rate, char *extra)
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;
1207 if (!rdev->ops->set_bitrate_mask)
1213 if (rate->value < 0) {
1215 } else if (rate->fixed) {
1216 mask.fixed = rate->value / 1000; /* kbps */
1218 mask.maxrate = rate->value / 1000; /* kbps */
1221 return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1223 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1225 int cfg80211_wext_giwrate(struct net_device *dev,
1226 struct iw_request_info *info,
1227 struct iw_param *rate, char *extra)
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;
1236 if (wdev->iftype != NL80211_IFTYPE_STATION)
1239 if (!rdev->ops->get_station)
1244 if (wdev->current_bss)
1245 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
1252 err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1256 if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1261 if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
1262 rate->value = 100000 * sinfo.txrate.legacy;
1266 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
1268 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
1269 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
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;
1278 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1281 if (!rdev->ops->get_station)
1284 /* Grab BSSID of current BSS, if any */
1286 if (!wdev->current_bss) {
1290 memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1293 if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
1296 memset(&wstats, 0, sizeof(wstats));
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;
1310 wstats.qual.qual = sig + 110;
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;
1322 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1323 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1326 wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1330 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
1332 int cfg80211_wext_siwap(struct net_device *dev,
1333 struct iw_request_info *info,
1334 struct sockaddr *ap_addr, char *extra)
1336 struct wireless_dev *wdev = dev->ieee80211_ptr;
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);
1349 EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1351 int cfg80211_wext_giwap(struct net_device *dev,
1352 struct iw_request_info *info,
1353 struct sockaddr *ap_addr, char *extra)
1355 struct wireless_dev *wdev = dev->ieee80211_ptr;
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);
1368 EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1370 int cfg80211_wext_siwessid(struct net_device *dev,
1371 struct iw_request_info *info,
1372 struct iw_point *data, char *ssid)
1374 struct wireless_dev *wdev = dev->ieee80211_ptr;
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);
1385 EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1387 int cfg80211_wext_giwessid(struct net_device *dev,
1388 struct iw_request_info *info,
1389 struct iw_point *data, char *ssid)
1391 struct wireless_dev *wdev = dev->ieee80211_ptr;
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);
1402 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
1404 int cfg80211_wext_siwpmksa(struct net_device *dev,
1405 struct iw_request_info *info,
1406 struct iw_point *data, char *extra)
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;
1413 memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
1415 if (wdev->iftype != NL80211_IFTYPE_STATION)
1418 cfg_pmksa.bssid = pmksa->bssid.sa_data;
1419 cfg_pmksa.pmkid = pmksa->pmkid;
1421 switch (pmksa->cmd) {
1423 if (!rdev->ops->set_pmksa)
1426 return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1428 case IW_PMKSA_REMOVE:
1429 if (!rdev->ops->del_pmksa)
1432 return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
1434 case IW_PMKSA_FLUSH:
1435 if (!rdev->ops->flush_pmksa)
1438 return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
1445 static 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,
1477 [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
1480 const 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,