ipv4: flush route cache after change accept_local
[linux-2.6.git] / net / wireless / wext-compat.c
index 58e489f..0bf169b 100644 (file)
@@ -5,14 +5,17 @@
  * into cfg80211, when that happens all the exports here go away and
  * we directly assign the wireless handlers of wireless interfaces.
  *
- * Copyright 2008      Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
  */
 
 #include <linux/wireless.h>
 #include <linux/nl80211.h>
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/slab.h>
 #include <net/iw_handler.h>
-#include <net/wireless.h>
 #include <net/cfg80211.h>
+#include "wext-compat.h"
 #include "core.h"
 
 int cfg80211_wext_giwname(struct net_device *dev,
@@ -57,7 +60,7 @@ int cfg80211_wext_giwname(struct net_device *dev,
 
        return 0;
 }
-EXPORT_SYMBOL(cfg80211_wext_giwname);
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
 
 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
                          u32 *mode, char *extra)
@@ -66,19 +69,10 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
        struct cfg80211_registered_device *rdev;
        struct vif_params vifparams;
        enum nl80211_iftype type;
-
-       if (!wdev)
-               return -EOPNOTSUPP;
+       int ret;
 
        rdev = wiphy_to_dev(wdev->wiphy);
 
-       if (!rdev->ops->change_virtual_intf)
-               return -EOPNOTSUPP;
-
-       /* don't support changing VLANs, you just re-create them */
-       if (wdev->iftype == NL80211_IFTYPE_AP_VLAN)
-               return -EOPNOTSUPP;
-
        switch (*mode) {
        case IW_MODE_INFRA:
                type = NL80211_IFTYPE_STATION;
@@ -96,12 +90,18 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
                return -EINVAL;
        }
 
+       if (type == wdev->iftype)
+               return 0;
+
        memset(&vifparams, 0, sizeof(vifparams));
 
-       return rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type,
-                                             NULL, &vifparams);
+       cfg80211_lock_rdev(rdev);
+       ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
+       cfg80211_unlock_rdev(rdev);
+
+       return ret;
 }
-EXPORT_SYMBOL(cfg80211_wext_siwmode);
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
 
 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
                          u32 *mode, char *extra)
@@ -136,4 +136,1402 @@ int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
        }
        return 0;
 }
-EXPORT_SYMBOL(cfg80211_wext_giwmode);
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
+
+
+int cfg80211_wext_giwrange(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_point *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct iw_range *range = (struct iw_range *) extra;
+       enum ieee80211_band band;
+       int i, c = 0;
+
+       if (!wdev)
+               return -EOPNOTSUPP;
+
+       data->length = sizeof(struct iw_range);
+       memset(range, 0, sizeof(struct iw_range));
+
+       range->we_version_compiled = WIRELESS_EXT;
+       range->we_version_source = 21;
+       range->retry_capa = IW_RETRY_LIMIT;
+       range->retry_flags = IW_RETRY_LIMIT;
+       range->min_retry = 0;
+       range->max_retry = 255;
+       range->min_rts = 0;
+       range->max_rts = 2347;
+       range->min_frag = 256;
+       range->max_frag = 2346;
+
+       range->max_encoding_tokens = 4;
+
+       range->max_qual.updated = IW_QUAL_NOISE_INVALID;
+
+       switch (wdev->wiphy->signal_type) {
+       case CFG80211_SIGNAL_TYPE_NONE:
+               break;
+       case CFG80211_SIGNAL_TYPE_MBM:
+               range->max_qual.level = -110;
+               range->max_qual.qual = 70;
+               range->avg_qual.qual = 35;
+               range->max_qual.updated |= IW_QUAL_DBM;
+               range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
+               range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
+               break;
+       case CFG80211_SIGNAL_TYPE_UNSPEC:
+               range->max_qual.level = 100;
+               range->max_qual.qual = 100;
+               range->avg_qual.qual = 50;
+               range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
+               range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
+               break;
+       }
+
+       range->avg_qual.level = range->max_qual.level / 2;
+       range->avg_qual.noise = range->max_qual.noise / 2;
+       range->avg_qual.updated = range->max_qual.updated;
+
+       for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
+               switch (wdev->wiphy->cipher_suites[i]) {
+               case WLAN_CIPHER_SUITE_TKIP:
+                       range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
+                                           IW_ENC_CAPA_WPA);
+                       break;
+
+               case WLAN_CIPHER_SUITE_CCMP:
+                       range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
+                                           IW_ENC_CAPA_WPA2);
+                       break;
+
+               case WLAN_CIPHER_SUITE_WEP40:
+                       range->encoding_size[range->num_encoding_sizes++] =
+                               WLAN_KEY_LEN_WEP40;
+                       break;
+
+               case WLAN_CIPHER_SUITE_WEP104:
+                       range->encoding_size[range->num_encoding_sizes++] =
+                               WLAN_KEY_LEN_WEP104;
+                       break;
+               }
+       }
+
+       for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
+               struct ieee80211_supported_band *sband;
+
+               sband = wdev->wiphy->bands[band];
+
+               if (!sband)
+                       continue;
+
+               for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
+                       struct ieee80211_channel *chan = &sband->channels[i];
+
+                       if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
+                               range->freq[c].i =
+                                       ieee80211_frequency_to_channel(
+                                               chan->center_freq);
+                               range->freq[c].m = chan->center_freq;
+                               range->freq[c].e = 6;
+                               c++;
+                       }
+               }
+       }
+       range->num_channels = c;
+       range->num_frequency = c;
+
+       IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
+       IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
+       IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
+
+       if (wdev->wiphy->max_scan_ssids > 0)
+               range->scan_capa |= IW_SCAN_CAPA_ESSID;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
+
+
+/**
+ * cfg80211_wext_freq - get wext frequency for non-"auto"
+ * @wiphy: the wiphy
+ * @freq: the wext freq encoding
+ *
+ * Returns a frequency, or a negative error code, or 0 for auto.
+ */
+int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
+{
+       /*
+        * Parse frequency - return 0 for auto and
+        * -EINVAL for impossible things.
+        */
+       if (freq->e == 0) {
+               enum ieee80211_band band = IEEE80211_BAND_2GHZ;
+               if (freq->m < 0)
+                       return 0;
+               if (freq->m > 14)
+                       band = IEEE80211_BAND_5GHZ;
+               return ieee80211_channel_to_frequency(freq->m, band);
+       } else {
+               int i, div = 1000000;
+               for (i = 0; i < freq->e; i++)
+                       div /= 10;
+               if (div <= 0)
+                       return -EINVAL;
+               return freq->m / div;
+       }
+}
+
+int cfg80211_wext_siwrts(struct net_device *dev,
+                        struct iw_request_info *info,
+                        struct iw_param *rts, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       u32 orts = wdev->wiphy->rts_threshold;
+       int err;
+
+       if (rts->disabled || !rts->fixed)
+               wdev->wiphy->rts_threshold = (u32) -1;
+       else if (rts->value < 0)
+               return -EINVAL;
+       else
+               wdev->wiphy->rts_threshold = rts->value;
+
+       err = rdev->ops->set_wiphy_params(wdev->wiphy,
+                                         WIPHY_PARAM_RTS_THRESHOLD);
+       if (err)
+               wdev->wiphy->rts_threshold = orts;
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
+
+int cfg80211_wext_giwrts(struct net_device *dev,
+                        struct iw_request_info *info,
+                        struct iw_param *rts, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       rts->value = wdev->wiphy->rts_threshold;
+       rts->disabled = rts->value == (u32) -1;
+       rts->fixed = 1;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
+
+int cfg80211_wext_siwfrag(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *frag, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       u32 ofrag = wdev->wiphy->frag_threshold;
+       int err;
+
+       if (frag->disabled || !frag->fixed)
+               wdev->wiphy->frag_threshold = (u32) -1;
+       else if (frag->value < 256)
+               return -EINVAL;
+       else {
+               /* Fragment length must be even, so strip LSB. */
+               wdev->wiphy->frag_threshold = frag->value & ~0x1;
+       }
+
+       err = rdev->ops->set_wiphy_params(wdev->wiphy,
+                                         WIPHY_PARAM_FRAG_THRESHOLD);
+       if (err)
+               wdev->wiphy->frag_threshold = ofrag;
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
+
+int cfg80211_wext_giwfrag(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *frag, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       frag->value = wdev->wiphy->frag_threshold;
+       frag->disabled = frag->value == (u32) -1;
+       frag->fixed = 1;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
+
+int cfg80211_wext_siwretry(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *retry, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       u32 changed = 0;
+       u8 olong = wdev->wiphy->retry_long;
+       u8 oshort = wdev->wiphy->retry_short;
+       int err;
+
+       if (retry->disabled ||
+           (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
+               return -EINVAL;
+
+       if (retry->flags & IW_RETRY_LONG) {
+               wdev->wiphy->retry_long = retry->value;
+               changed |= WIPHY_PARAM_RETRY_LONG;
+       } else if (retry->flags & IW_RETRY_SHORT) {
+               wdev->wiphy->retry_short = retry->value;
+               changed |= WIPHY_PARAM_RETRY_SHORT;
+       } else {
+               wdev->wiphy->retry_short = retry->value;
+               wdev->wiphy->retry_long = retry->value;
+               changed |= WIPHY_PARAM_RETRY_LONG;
+               changed |= WIPHY_PARAM_RETRY_SHORT;
+       }
+
+       if (!changed)
+               return 0;
+
+       err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
+       if (err) {
+               wdev->wiphy->retry_short = oshort;
+               wdev->wiphy->retry_long = olong;
+       }
+
+       return err;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
+
+int cfg80211_wext_giwretry(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *retry, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       retry->disabled = 0;
+
+       if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
+               /*
+                * First return short value, iwconfig will ask long value
+                * later if needed
+                */
+               retry->flags |= IW_RETRY_LIMIT;
+               retry->value = wdev->wiphy->retry_short;
+               if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
+                       retry->flags |= IW_RETRY_LONG;
+
+               return 0;
+       }
+
+       if (retry->flags & IW_RETRY_LONG) {
+               retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
+               retry->value = wdev->wiphy->retry_long;
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
+
+static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
+                                    struct net_device *dev, bool pairwise,
+                                    const u8 *addr, bool remove, bool tx_key,
+                                    int idx, struct key_params *params)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int err, i;
+       bool rejoin = false;
+
+       if (pairwise && !addr)
+               return -EINVAL;
+
+       if (!wdev->wext.keys) {
+               wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
+                                             GFP_KERNEL);
+               if (!wdev->wext.keys)
+                       return -ENOMEM;
+               for (i = 0; i < 6; i++)
+                       wdev->wext.keys->params[i].key =
+                               wdev->wext.keys->data[i];
+       }
+
+       if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
+           wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EOPNOTSUPP;
+
+       if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+               if (!wdev->current_bss)
+                       return -ENOLINK;
+
+               if (!rdev->ops->set_default_mgmt_key)
+                       return -EOPNOTSUPP;
+
+               if (idx < 4 || idx > 5)
+                       return -EINVAL;
+       } else if (idx < 0 || idx > 3)
+               return -EINVAL;
+
+       if (remove) {
+               err = 0;
+               if (wdev->current_bss) {
+                       /*
+                        * If removing the current TX key, we will need to
+                        * join a new IBSS without the privacy bit clear.
+                        */
+                       if (idx == wdev->wext.default_key &&
+                           wdev->iftype == NL80211_IFTYPE_ADHOC) {
+                               __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+                               rejoin = true;
+                       }
+
+                       if (!pairwise && addr &&
+                           !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+                               err = -ENOENT;
+                       else
+                               err = rdev->ops->del_key(&rdev->wiphy, dev, idx,
+                                                        pairwise, addr);
+               }
+               wdev->wext.connect.privacy = false;
+               /*
+                * Applications using wireless extensions expect to be
+                * able to delete keys that don't exist, so allow that.
+                */
+               if (err == -ENOENT)
+                       err = 0;
+               if (!err) {
+                       if (!addr) {
+                               wdev->wext.keys->params[idx].key_len = 0;
+                               wdev->wext.keys->params[idx].cipher = 0;
+                       }
+                       if (idx == wdev->wext.default_key)
+                               wdev->wext.default_key = -1;
+                       else if (idx == wdev->wext.default_mgmt_key)
+                               wdev->wext.default_mgmt_key = -1;
+               }
+
+               if (!err && rejoin)
+                       err = cfg80211_ibss_wext_join(rdev, wdev);
+
+               return err;
+       }
+
+       if (addr)
+               tx_key = false;
+
+       if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr))
+               return -EINVAL;
+
+       err = 0;
+       if (wdev->current_bss)
+               err = rdev->ops->add_key(&rdev->wiphy, dev, idx,
+                                        pairwise, addr, params);
+       if (err)
+               return err;
+
+       if (!addr) {
+               wdev->wext.keys->params[idx] = *params;
+               memcpy(wdev->wext.keys->data[idx],
+                       params->key, params->key_len);
+               wdev->wext.keys->params[idx].key =
+                       wdev->wext.keys->data[idx];
+       }
+
+       if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
+            params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
+           (tx_key || (!addr && wdev->wext.default_key == -1))) {
+               if (wdev->current_bss) {
+                       /*
+                        * If we are getting a new TX key from not having
+                        * had one before we need to join a new IBSS with
+                        * the privacy bit set.
+                        */
+                       if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+                           wdev->wext.default_key == -1) {
+                               __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+                               rejoin = true;
+                       }
+                       err = rdev->ops->set_default_key(&rdev->wiphy, dev,
+                                                        idx, true, true);
+               }
+               if (!err) {
+                       wdev->wext.default_key = idx;
+                       if (rejoin)
+                               err = cfg80211_ibss_wext_join(rdev, wdev);
+               }
+               return err;
+       }
+
+       if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
+           (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
+               if (wdev->current_bss)
+                       err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
+                                                             dev, idx);
+               if (!err)
+                       wdev->wext.default_mgmt_key = idx;
+               return err;
+       }
+
+       return 0;
+}
+
+static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
+                                  struct net_device *dev, bool pairwise,
+                                  const u8 *addr, bool remove, bool tx_key,
+                                  int idx, struct key_params *params)
+{
+       int err;
+
+       /* devlist mutex needed for possible IBSS re-join */
+       mutex_lock(&rdev->devlist_mtx);
+       wdev_lock(dev->ieee80211_ptr);
+       err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
+                                       remove, tx_key, idx, params);
+       wdev_unlock(dev->ieee80211_ptr);
+       mutex_unlock(&rdev->devlist_mtx);
+
+       return err;
+}
+
+int cfg80211_wext_siwencode(struct net_device *dev,
+                           struct iw_request_info *info,
+                           struct iw_point *erq, char *keybuf)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       int idx, err;
+       bool remove = false;
+       struct key_params params;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION &&
+           wdev->iftype != NL80211_IFTYPE_ADHOC)
+               return -EOPNOTSUPP;
+
+       /* no use -- only MFP (set_default_mgmt_key) is optional */
+       if (!rdev->ops->del_key ||
+           !rdev->ops->add_key ||
+           !rdev->ops->set_default_key)
+               return -EOPNOTSUPP;
+
+       idx = erq->flags & IW_ENCODE_INDEX;
+       if (idx == 0) {
+               idx = wdev->wext.default_key;
+               if (idx < 0)
+                       idx = 0;
+       } else if (idx < 1 || idx > 4)
+               return -EINVAL;
+       else
+               idx--;
+
+       if (erq->flags & IW_ENCODE_DISABLED)
+               remove = true;
+       else if (erq->length == 0) {
+               /* No key data - just set the default TX key index */
+               err = 0;
+               wdev_lock(wdev);
+               if (wdev->current_bss)
+                       err = rdev->ops->set_default_key(&rdev->wiphy, dev,
+                                                        idx, true, true);
+               if (!err)
+                       wdev->wext.default_key = idx;
+               wdev_unlock(wdev);
+               return err;
+       }
+
+       memset(&params, 0, sizeof(params));
+       params.key = keybuf;
+       params.key_len = erq->length;
+       if (erq->length == 5)
+               params.cipher = WLAN_CIPHER_SUITE_WEP40;
+       else if (erq->length == 13)
+               params.cipher = WLAN_CIPHER_SUITE_WEP104;
+       else if (!remove)
+               return -EINVAL;
+
+       return cfg80211_set_encryption(rdev, dev, false, NULL, remove,
+                                      wdev->wext.default_key == -1,
+                                      idx, &params);
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
+
+int cfg80211_wext_siwencodeext(struct net_device *dev,
+                              struct iw_request_info *info,
+                              struct iw_point *erq, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
+       const u8 *addr;
+       int idx;
+       bool remove = false;
+       struct key_params params;
+       u32 cipher;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION &&
+           wdev->iftype != NL80211_IFTYPE_ADHOC)
+               return -EOPNOTSUPP;
+
+       /* no use -- only MFP (set_default_mgmt_key) is optional */
+       if (!rdev->ops->del_key ||
+           !rdev->ops->add_key ||
+           !rdev->ops->set_default_key)
+               return -EOPNOTSUPP;
+
+       switch (ext->alg) {
+       case IW_ENCODE_ALG_NONE:
+               remove = true;
+               cipher = 0;
+               break;
+       case IW_ENCODE_ALG_WEP:
+               if (ext->key_len == 5)
+                       cipher = WLAN_CIPHER_SUITE_WEP40;
+               else if (ext->key_len == 13)
+                       cipher = WLAN_CIPHER_SUITE_WEP104;
+               else
+                       return -EINVAL;
+               break;
+       case IW_ENCODE_ALG_TKIP:
+               cipher = WLAN_CIPHER_SUITE_TKIP;
+               break;
+       case IW_ENCODE_ALG_CCMP:
+               cipher = WLAN_CIPHER_SUITE_CCMP;
+               break;
+       case IW_ENCODE_ALG_AES_CMAC:
+               cipher = WLAN_CIPHER_SUITE_AES_CMAC;
+               break;
+       default:
+               return -EOPNOTSUPP;
+       }
+
+       if (erq->flags & IW_ENCODE_DISABLED)
+               remove = true;
+
+       idx = erq->flags & IW_ENCODE_INDEX;
+       if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+               if (idx < 4 || idx > 5) {
+                       idx = wdev->wext.default_mgmt_key;
+                       if (idx < 0)
+                               return -EINVAL;
+               } else
+                       idx--;
+       } else {
+               if (idx < 1 || idx > 4) {
+                       idx = wdev->wext.default_key;
+                       if (idx < 0)
+                               return -EINVAL;
+               } else
+                       idx--;
+       }
+
+       addr = ext->addr.sa_data;
+       if (is_broadcast_ether_addr(addr))
+               addr = NULL;
+
+       memset(&params, 0, sizeof(params));
+       params.key = ext->key;
+       params.key_len = ext->key_len;
+       params.cipher = cipher;
+
+       if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
+               params.seq = ext->rx_seq;
+               params.seq_len = 6;
+       }
+
+       return cfg80211_set_encryption(
+                       rdev, dev,
+                       !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY),
+                       addr, remove,
+                       ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
+                       idx, &params);
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
+
+int cfg80211_wext_giwencode(struct net_device *dev,
+                           struct iw_request_info *info,
+                           struct iw_point *erq, char *keybuf)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int idx;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION &&
+           wdev->iftype != NL80211_IFTYPE_ADHOC)
+               return -EOPNOTSUPP;
+
+       idx = erq->flags & IW_ENCODE_INDEX;
+       if (idx == 0) {
+               idx = wdev->wext.default_key;
+               if (idx < 0)
+                       idx = 0;
+       } else if (idx < 1 || idx > 4)
+               return -EINVAL;
+       else
+               idx--;
+
+       erq->flags = idx + 1;
+
+       if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
+               erq->flags |= IW_ENCODE_DISABLED;
+               erq->length = 0;
+               return 0;
+       }
+
+       erq->length = min_t(size_t, erq->length,
+                           wdev->wext.keys->params[idx].key_len);
+       memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
+       erq->flags |= IW_ENCODE_ENABLED;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
+
+int cfg80211_wext_siwfreq(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_freq *wextfreq, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       int freq, err;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
+       case NL80211_IFTYPE_MONITOR:
+       case NL80211_IFTYPE_WDS:
+       case NL80211_IFTYPE_MESH_POINT:
+               freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
+               if (freq < 0)
+                       return freq;
+               if (freq == 0)
+                       return -EINVAL;
+               mutex_lock(&rdev->devlist_mtx);
+               wdev_lock(wdev);
+               err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
+               wdev_unlock(wdev);
+               mutex_unlock(&rdev->devlist_mtx);
+               return err;
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
+
+int cfg80211_wext_giwfreq(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_freq *freq, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+       default:
+               if (!wdev->channel)
+                       return -EINVAL;
+               freq->m = wdev->channel->center_freq;
+               freq->e = 6;
+               return 0;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
+
+int cfg80211_wext_siwtxpower(struct net_device *dev,
+                            struct iw_request_info *info,
+                            union iwreq_data *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       enum nl80211_tx_power_setting type;
+       int dbm = 0;
+
+       if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+               return -EINVAL;
+       if (data->txpower.flags & IW_TXPOW_RANGE)
+               return -EINVAL;
+
+       if (!rdev->ops->set_tx_power)
+               return -EOPNOTSUPP;
+
+       /* only change when not disabling */
+       if (!data->txpower.disabled) {
+               rfkill_set_sw_state(rdev->rfkill, false);
+
+               if (data->txpower.fixed) {
+                       /*
+                        * wext doesn't support negative values, see
+                        * below where it's for automatic
+                        */
+                       if (data->txpower.value < 0)
+                               return -EINVAL;
+                       dbm = data->txpower.value;
+                       type = NL80211_TX_POWER_FIXED;
+                       /* TODO: do regulatory check! */
+               } else {
+                       /*
+                        * Automatic power level setting, max being the value
+                        * passed in from userland.
+                        */
+                       if (data->txpower.value < 0) {
+                               type = NL80211_TX_POWER_AUTOMATIC;
+                       } else {
+                               dbm = data->txpower.value;
+                               type = NL80211_TX_POWER_LIMITED;
+                       }
+               }
+       } else {
+               rfkill_set_sw_state(rdev->rfkill, true);
+               schedule_work(&rdev->rfkill_sync);
+               return 0;
+       }
+
+       return rdev->ops->set_tx_power(wdev->wiphy, type, DBM_TO_MBM(dbm));
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
+
+int cfg80211_wext_giwtxpower(struct net_device *dev,
+                            struct iw_request_info *info,
+                            union iwreq_data *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       int err, val;
+
+       if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+               return -EINVAL;
+       if (data->txpower.flags & IW_TXPOW_RANGE)
+               return -EINVAL;
+
+       if (!rdev->ops->get_tx_power)
+               return -EOPNOTSUPP;
+
+       err = rdev->ops->get_tx_power(wdev->wiphy, &val);
+       if (err)
+               return err;
+
+       /* well... oh well */
+       data->txpower.fixed = 1;
+       data->txpower.disabled = rfkill_blocked(rdev->rfkill);
+       data->txpower.value = val;
+       data->txpower.flags = IW_TXPOW_DBM;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
+
+static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
+                                s32 auth_alg)
+{
+       int nr_alg = 0;
+
+       if (!auth_alg)
+               return -EINVAL;
+
+       if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
+                        IW_AUTH_ALG_SHARED_KEY |
+                        IW_AUTH_ALG_LEAP))
+               return -EINVAL;
+
+       if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
+               nr_alg++;
+               wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+       }
+
+       if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
+               nr_alg++;
+               wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
+       }
+
+       if (auth_alg & IW_AUTH_ALG_LEAP) {
+               nr_alg++;
+               wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
+       }
+
+       if (nr_alg > 1)
+               wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+       return 0;
+}
+
+static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
+{
+       if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
+                            IW_AUTH_WPA_VERSION_WPA2|
+                            IW_AUTH_WPA_VERSION_DISABLED))
+               return -EINVAL;
+
+       if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
+           (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
+                            IW_AUTH_WPA_VERSION_WPA2)))
+               return -EINVAL;
+
+       if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
+               wdev->wext.connect.crypto.wpa_versions &=
+                       ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
+
+       if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
+               wdev->wext.connect.crypto.wpa_versions |=
+                       NL80211_WPA_VERSION_1;
+
+       if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
+               wdev->wext.connect.crypto.wpa_versions |=
+                       NL80211_WPA_VERSION_2;
+
+       return 0;
+}
+
+static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
+{
+       if (cipher & IW_AUTH_CIPHER_WEP40)
+               wdev->wext.connect.crypto.cipher_group =
+                       WLAN_CIPHER_SUITE_WEP40;
+       else if (cipher & IW_AUTH_CIPHER_WEP104)
+               wdev->wext.connect.crypto.cipher_group =
+                       WLAN_CIPHER_SUITE_WEP104;
+       else if (cipher & IW_AUTH_CIPHER_TKIP)
+               wdev->wext.connect.crypto.cipher_group =
+                       WLAN_CIPHER_SUITE_TKIP;
+       else if (cipher & IW_AUTH_CIPHER_CCMP)
+               wdev->wext.connect.crypto.cipher_group =
+                       WLAN_CIPHER_SUITE_CCMP;
+       else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
+               wdev->wext.connect.crypto.cipher_group =
+                       WLAN_CIPHER_SUITE_AES_CMAC;
+       else if (cipher & IW_AUTH_CIPHER_NONE)
+               wdev->wext.connect.crypto.cipher_group = 0;
+       else
+               return -EINVAL;
+
+       return 0;
+}
+
+static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
+{
+       int nr_ciphers = 0;
+       u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
+
+       if (cipher & IW_AUTH_CIPHER_WEP40) {
+               ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
+               nr_ciphers++;
+       }
+
+       if (cipher & IW_AUTH_CIPHER_WEP104) {
+               ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
+               nr_ciphers++;
+       }
+
+       if (cipher & IW_AUTH_CIPHER_TKIP) {
+               ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
+               nr_ciphers++;
+       }
+
+       if (cipher & IW_AUTH_CIPHER_CCMP) {
+               ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
+               nr_ciphers++;
+       }
+
+       if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
+               ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
+               nr_ciphers++;
+       }
+
+       BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
+
+       wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
+
+       return 0;
+}
+
+
+static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
+{
+       int nr_akm_suites = 0;
+
+       if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
+                       IW_AUTH_KEY_MGMT_PSK))
+               return -EINVAL;
+
+       if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
+               wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
+                       WLAN_AKM_SUITE_8021X;
+               nr_akm_suites++;
+       }
+
+       if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
+               wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
+                       WLAN_AKM_SUITE_PSK;
+               nr_akm_suites++;
+       }
+
+       wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
+
+       return 0;
+}
+
+int cfg80211_wext_siwauth(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EOPNOTSUPP;
+
+       switch (data->flags & IW_AUTH_INDEX) {
+       case IW_AUTH_PRIVACY_INVOKED:
+               wdev->wext.connect.privacy = data->value;
+               return 0;
+       case IW_AUTH_WPA_VERSION:
+               return cfg80211_set_wpa_version(wdev, data->value);
+       case IW_AUTH_CIPHER_GROUP:
+               return cfg80211_set_cipher_group(wdev, data->value);
+       case IW_AUTH_KEY_MGMT:
+               return cfg80211_set_key_mgt(wdev, data->value);
+       case IW_AUTH_CIPHER_PAIRWISE:
+               return cfg80211_set_cipher_pairwise(wdev, data->value);
+       case IW_AUTH_80211_AUTH_ALG:
+               return cfg80211_set_auth_alg(wdev, data->value);
+       case IW_AUTH_WPA_ENABLED:
+       case IW_AUTH_RX_UNENCRYPTED_EAPOL:
+       case IW_AUTH_DROP_UNENCRYPTED:
+       case IW_AUTH_MFP:
+               return 0;
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
+
+int cfg80211_wext_giwauth(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *data, char *extra)
+{
+       /* XXX: what do we need? */
+
+       return -EOPNOTSUPP;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
+
+int cfg80211_wext_siwpower(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *wrq, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       bool ps = wdev->ps;
+       int timeout = wdev->ps_timeout;
+       int err;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EINVAL;
+
+       if (!rdev->ops->set_power_mgmt)
+               return -EOPNOTSUPP;
+
+       if (wrq->disabled) {
+               ps = false;
+       } else {
+               switch (wrq->flags & IW_POWER_MODE) {
+               case IW_POWER_ON:       /* If not specified */
+               case IW_POWER_MODE:     /* If set all mask */
+               case IW_POWER_ALL_R:    /* If explicitely state all */
+                       ps = true;
+                       break;
+               default:                /* Otherwise we ignore */
+                       return -EINVAL;
+               }
+
+               if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
+                       return -EINVAL;
+
+               if (wrq->flags & IW_POWER_TIMEOUT)
+                       timeout = wrq->value / 1000;
+       }
+
+       err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
+       if (err)
+               return err;
+
+       wdev->ps = ps;
+       wdev->ps_timeout = timeout;
+
+       return 0;
+
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
+
+int cfg80211_wext_giwpower(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_param *wrq, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       wrq->disabled = !wdev->ps;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
+
+static int cfg80211_wds_wext_siwap(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct sockaddr *addr, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       int err;
+
+       if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
+               return -EINVAL;
+
+       if (addr->sa_family != ARPHRD_ETHER)
+               return -EINVAL;
+
+       if (netif_running(dev))
+               return -EBUSY;
+
+       if (!rdev->ops->set_wds_peer)
+               return -EOPNOTSUPP;
+
+       err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
+       if (err)
+               return err;
+
+       memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
+
+       return 0;
+}
+
+static int cfg80211_wds_wext_giwap(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct sockaddr *addr, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
+               return -EINVAL;
+
+       addr->sa_family = ARPHRD_ETHER;
+       memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
+
+       return 0;
+}
+
+int cfg80211_wext_siwrate(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *rate, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       struct cfg80211_bitrate_mask mask;
+       u32 fixed, maxrate;
+       struct ieee80211_supported_band *sband;
+       int band, ridx;
+       bool match = false;
+
+       if (!rdev->ops->set_bitrate_mask)
+               return -EOPNOTSUPP;
+
+       memset(&mask, 0, sizeof(mask));
+       fixed = 0;
+       maxrate = (u32)-1;
+
+       if (rate->value < 0) {
+               /* nothing */
+       } else if (rate->fixed) {
+               fixed = rate->value / 100000;
+       } else {
+               maxrate = rate->value / 100000;
+       }
+
+       for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+               sband = wdev->wiphy->bands[band];
+               if (sband == NULL)
+                       continue;
+               for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
+                       struct ieee80211_rate *srate = &sband->bitrates[ridx];
+                       if (fixed == srate->bitrate) {
+                               mask.control[band].legacy = 1 << ridx;
+                               match = true;
+                               break;
+                       }
+                       if (srate->bitrate <= maxrate) {
+                               mask.control[band].legacy |= 1 << ridx;
+                               match = true;
+                       }
+               }
+       }
+
+       if (!match)
+               return -EINVAL;
+
+       return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
+
+int cfg80211_wext_giwrate(struct net_device *dev,
+                         struct iw_request_info *info,
+                         struct iw_param *rate, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       /* we are under RTNL - globally locked - so can use a static struct */
+       static struct station_info sinfo;
+       u8 addr[ETH_ALEN];
+       int err;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EOPNOTSUPP;
+
+       if (!rdev->ops->get_station)
+               return -EOPNOTSUPP;
+
+       err = 0;
+       wdev_lock(wdev);
+       if (wdev->current_bss)
+               memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
+       else
+               err = -EOPNOTSUPP;
+       wdev_unlock(wdev);
+       if (err)
+               return err;
+
+       err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
+       if (err)
+               return err;
+
+       if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
+               return -EOPNOTSUPP;
+
+       rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
+
+/* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
+struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       /* we are under RTNL - globally locked - so can use static structs */
+       static struct iw_statistics wstats;
+       static struct station_info sinfo;
+       u8 bssid[ETH_ALEN];
+
+       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
+               return NULL;
+
+       if (!rdev->ops->get_station)
+               return NULL;
+
+       /* Grab BSSID of current BSS, if any */
+       wdev_lock(wdev);
+       if (!wdev->current_bss) {
+               wdev_unlock(wdev);
+               return NULL;
+       }
+       memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
+       wdev_unlock(wdev);
+
+       if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
+               return NULL;
+
+       memset(&wstats, 0, sizeof(wstats));
+
+       switch (rdev->wiphy.signal_type) {
+       case CFG80211_SIGNAL_TYPE_MBM:
+               if (sinfo.filled & STATION_INFO_SIGNAL) {
+                       int sig = sinfo.signal;
+                       wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
+                       wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
+                       wstats.qual.updated |= IW_QUAL_DBM;
+                       wstats.qual.level = sig;
+                       if (sig < -110)
+                               sig = -110;
+                       else if (sig > -40)
+                               sig = -40;
+                       wstats.qual.qual = sig + 110;
+                       break;
+               }
+       case CFG80211_SIGNAL_TYPE_UNSPEC:
+               if (sinfo.filled & STATION_INFO_SIGNAL) {
+                       wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
+                       wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
+                       wstats.qual.level = sinfo.signal;
+                       wstats.qual.qual = sinfo.signal;
+                       break;
+               }
+       default:
+               wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
+               wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
+       }
+
+       wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
+       if (sinfo.filled & STATION_INFO_RX_DROP_MISC)
+               wstats.discard.misc = sinfo.rx_dropped_misc;
+       if (sinfo.filled & STATION_INFO_TX_FAILED)
+               wstats.discard.retries = sinfo.tx_failed;
+
+       return &wstats;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
+
+int cfg80211_wext_siwap(struct net_device *dev,
+                       struct iw_request_info *info,
+                       struct sockaddr *ap_addr, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+       case NL80211_IFTYPE_WDS:
+               return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
+
+int cfg80211_wext_giwap(struct net_device *dev,
+                       struct iw_request_info *info,
+                       struct sockaddr *ap_addr, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
+       case NL80211_IFTYPE_WDS:
+               return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
+
+int cfg80211_wext_siwessid(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_point *data, char *ssid)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
+
+int cfg80211_wext_giwessid(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_point *data, char *ssid)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+       data->flags = 0;
+       data->length = 0;
+
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_ADHOC:
+               return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
+       case NL80211_IFTYPE_STATION:
+               return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
+
+int cfg80211_wext_siwpmksa(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_point *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       struct cfg80211_pmksa cfg_pmksa;
+       struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
+
+       memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EINVAL;
+
+       cfg_pmksa.bssid = pmksa->bssid.sa_data;
+       cfg_pmksa.pmkid = pmksa->pmkid;
+
+       switch (pmksa->cmd) {
+       case IW_PMKSA_ADD:
+               if (!rdev->ops->set_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+       case IW_PMKSA_REMOVE:
+               if (!rdev->ops->del_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+       case IW_PMKSA_FLUSH:
+               if (!rdev->ops->flush_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwpmksa);
+
+static const iw_handler cfg80211_handlers[] = {
+       [IW_IOCTL_IDX(SIOCGIWNAME)]     = (iw_handler) cfg80211_wext_giwname,
+       [IW_IOCTL_IDX(SIOCSIWFREQ)]     = (iw_handler) cfg80211_wext_siwfreq,
+       [IW_IOCTL_IDX(SIOCGIWFREQ)]     = (iw_handler) cfg80211_wext_giwfreq,
+       [IW_IOCTL_IDX(SIOCSIWMODE)]     = (iw_handler) cfg80211_wext_siwmode,
+       [IW_IOCTL_IDX(SIOCGIWMODE)]     = (iw_handler) cfg80211_wext_giwmode,
+       [IW_IOCTL_IDX(SIOCGIWRANGE)]    = (iw_handler) cfg80211_wext_giwrange,
+       [IW_IOCTL_IDX(SIOCSIWAP)]       = (iw_handler) cfg80211_wext_siwap,
+       [IW_IOCTL_IDX(SIOCGIWAP)]       = (iw_handler) cfg80211_wext_giwap,
+       [IW_IOCTL_IDX(SIOCSIWMLME)]     = (iw_handler) cfg80211_wext_siwmlme,
+       [IW_IOCTL_IDX(SIOCSIWSCAN)]     = (iw_handler) cfg80211_wext_siwscan,
+       [IW_IOCTL_IDX(SIOCGIWSCAN)]     = (iw_handler) cfg80211_wext_giwscan,
+       [IW_IOCTL_IDX(SIOCSIWESSID)]    = (iw_handler) cfg80211_wext_siwessid,
+       [IW_IOCTL_IDX(SIOCGIWESSID)]    = (iw_handler) cfg80211_wext_giwessid,
+       [IW_IOCTL_IDX(SIOCSIWRATE)]     = (iw_handler) cfg80211_wext_siwrate,
+       [IW_IOCTL_IDX(SIOCGIWRATE)]     = (iw_handler) cfg80211_wext_giwrate,
+       [IW_IOCTL_IDX(SIOCSIWRTS)]      = (iw_handler) cfg80211_wext_siwrts,
+       [IW_IOCTL_IDX(SIOCGIWRTS)]      = (iw_handler) cfg80211_wext_giwrts,
+       [IW_IOCTL_IDX(SIOCSIWFRAG)]     = (iw_handler) cfg80211_wext_siwfrag,
+       [IW_IOCTL_IDX(SIOCGIWFRAG)]     = (iw_handler) cfg80211_wext_giwfrag,
+       [IW_IOCTL_IDX(SIOCSIWTXPOW)]    = (iw_handler) cfg80211_wext_siwtxpower,
+       [IW_IOCTL_IDX(SIOCGIWTXPOW)]    = (iw_handler) cfg80211_wext_giwtxpower,
+       [IW_IOCTL_IDX(SIOCSIWRETRY)]    = (iw_handler) cfg80211_wext_siwretry,
+       [IW_IOCTL_IDX(SIOCGIWRETRY)]    = (iw_handler) cfg80211_wext_giwretry,
+       [IW_IOCTL_IDX(SIOCSIWENCODE)]   = (iw_handler) cfg80211_wext_siwencode,
+       [IW_IOCTL_IDX(SIOCGIWENCODE)]   = (iw_handler) cfg80211_wext_giwencode,
+       [IW_IOCTL_IDX(SIOCSIWPOWER)]    = (iw_handler) cfg80211_wext_siwpower,
+       [IW_IOCTL_IDX(SIOCGIWPOWER)]    = (iw_handler) cfg80211_wext_giwpower,
+       [IW_IOCTL_IDX(SIOCSIWGENIE)]    = (iw_handler) cfg80211_wext_siwgenie,
+       [IW_IOCTL_IDX(SIOCSIWAUTH)]     = (iw_handler) cfg80211_wext_siwauth,
+       [IW_IOCTL_IDX(SIOCGIWAUTH)]     = (iw_handler) cfg80211_wext_giwauth,
+       [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
+       [IW_IOCTL_IDX(SIOCSIWPMKSA)]    = (iw_handler) cfg80211_wext_siwpmksa,
+};
+
+const struct iw_handler_def cfg80211_wext_handler = {
+       .num_standard           = ARRAY_SIZE(cfg80211_handlers),
+       .standard               = cfg80211_handlers,
+       .get_wireless_stats = cfg80211_wireless_stats,
+};