add devicescape 802.11 stack
[openwrt/svn-archive/archive.git] / openwrt / target / linux / package / ieee80211-dscape / src / ieee80211_ioctl.c
diff --git a/openwrt/target/linux/package/ieee80211-dscape/src/ieee80211_ioctl.c b/openwrt/target/linux/package/ieee80211-dscape/src/ieee80211_ioctl.c
new file mode 100644 (file)
index 0000000..a44b02e
--- /dev/null
@@ -0,0 +1,2832 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
+#include <asm/uaccess.h>
+
+#include <net/ieee80211.h>
+#include <net/ieee80211_mgmt.h>
+#include "ieee80211_i.h"
+#include "hostapd_ioctl.h"
+#include "rate_control.h"
+#include "wpa.h"
+#include "aes_ccm.h"
+
+
+static int ieee80211_regdom = 0x10; /* FCC */
+MODULE_PARM(ieee80211_regdom, "i");
+MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK");
+
+/*
+ * If firmware is upgraded by the vendor, additional channels can be used based
+ * on the new Japanese regulatory rules. This is indicated by setting
+ * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel
+ * module.
+ */
+static int ieee80211_japan_5ghz /* = 0 */;
+MODULE_PARM(ieee80211_japan_5ghz, "i");
+MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz");
+
+
+static int ieee80211_ioctl_set_beacon(struct net_device *dev,
+                                     struct prism2_hostapd_param *param,
+                                     int param_len,
+                                     int flag)
+{
+       struct ieee80211_sub_if_data *sdata;
+       struct ieee80211_if_norm     *norm;
+       u8 **b_head, **b_tail;
+       int *b_head_len, *b_tail_len;
+       int len;
+
+       len = ((char *) param->u.beacon.data - (char *) param) +
+               param->u.beacon.head_len + param->u.beacon.tail_len;
+
+       if (param_len > len)
+               param_len = len;
+       else if (param_len != len)
+               return -EINVAL;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
+               return -EINVAL;
+       norm = &sdata->u.norm;
+
+       switch (flag) {
+       case 0:
+               b_head = &norm->beacon_head;
+               b_tail = &norm->beacon_tail;
+               b_head_len = &norm->beacon_head_len;
+               b_tail_len = &norm->beacon_tail_len;
+               break;
+       default:
+               printk(KERN_DEBUG "%s: unknown beacon flag %d\n", 
+                      dev->name, flag);
+               return -EINVAL;
+       }
+
+       kfree(*b_head);
+       kfree(*b_tail);
+       *b_head = NULL;
+       *b_tail = NULL;
+       
+       *b_head_len = param->u.beacon.head_len;
+       *b_tail_len = param->u.beacon.tail_len;
+
+       *b_head = kmalloc(*b_head_len, GFP_KERNEL);
+       if (*b_head)
+               memcpy(*b_head, param->u.beacon.data, *b_head_len);
+       else {
+               printk(KERN_DEBUG "%s: failed to allocate beacon_head\n",
+                      dev->name);
+               return -ENOMEM;
+       }
+
+       if (*b_tail_len > 0) {
+               *b_tail = kmalloc(*b_tail_len, GFP_KERNEL);
+               if (*b_tail)
+                       memcpy(*b_tail, param->u.beacon.data + (*b_head_len),
+                              (*b_tail_len));
+               else {
+                       printk(KERN_DEBUG "%s: failed to allocate "
+                              "beacon_tail\n", dev->name);
+                       return -ENOMEM;
+               }
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
+                                          struct prism2_hostapd_param *param,
+                                          int param_len)
+{
+       struct ieee80211_local *local = dev->priv;
+       u8 *pos = param->u.hw_features.data;
+       int left = param_len - (pos - (u8 *) param);
+       int mode, i;
+       struct hostapd_ioctl_hw_modes_hdr *hdr;
+       struct ieee80211_rate_data *rate;
+       struct ieee80211_channel_data *chan;
+
+       param->u.hw_features.flags = 0;
+       if (local->hw->data_nullfunc_ack)
+               param->u.hw_features.flags |= HOSTAP_HW_FLAG_NULLFUNC_OK;
+
+       param->u.hw_features.num_modes = local->hw->num_modes;
+       for (mode = 0; mode < local->hw->num_modes; mode++) {
+               int clen, rlen;
+               struct ieee80211_hw_modes *m = &local->hw->modes[mode];
+               clen = m->num_channels * sizeof(struct ieee80211_channel_data);
+               rlen = m->num_rates * sizeof(struct ieee80211_rate_data);
+               if (left < sizeof(*hdr) + clen + rlen)
+                       return -E2BIG;
+               left -= sizeof(*hdr) + clen + rlen;
+
+               hdr = (struct hostapd_ioctl_hw_modes_hdr *) pos;
+               hdr->mode = m->mode;
+               hdr->num_channels = m->num_channels;
+               hdr->num_rates = m->num_rates;
+
+               pos = (u8 *) (hdr + 1);
+               chan = (struct ieee80211_channel_data *) pos;
+               for (i = 0; i < m->num_channels; i++) {
+                       chan[i].chan = m->channels[i].chan;
+                       chan[i].freq = m->channels[i].freq;
+                       chan[i].flag = m->channels[i].flag;
+               }
+               pos += clen;
+
+               rate = (struct ieee80211_rate_data *) pos;
+               for (i = 0; i < m->num_rates; i++) {
+                       rate[i].rate = m->rates[i].rate;
+                       rate[i].flags = m->rates[i].flags;
+               }
+               pos += rlen;
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_scan(struct net_device *dev,
+                                struct prism2_hostapd_param *param)
+{
+        struct ieee80211_local *local = dev->priv;
+
+       if (local->hw->passive_scan == NULL)
+               return -EOPNOTSUPP;
+
+        if ((param->u.scan.now == 1) && (local->scan.in_scan == 1))
+                return -EBUSY;                 
+
+        if (param->u.scan.our_mode_only >= 0)
+                local->scan.our_mode_only = param->u.scan.our_mode_only;
+        if (param->u.scan.interval >= 0)
+                local->scan.interval = param->u.scan.interval;
+        if (param->u.scan.listen >= 0)
+                local->scan.time = param->u.scan.listen;
+               if (param->u.scan.channel > 0)
+                       local->scan.channel = param->u.scan.channel;
+        if (param->u.scan.now == 1) {
+                local->scan.in_scan = 0;
+                mod_timer(&local->scan.timer, jiffies);
+        }
+
+        param->u.scan.our_mode_only = local->scan.our_mode_only;
+        param->u.scan.interval = local->scan.interval;
+        param->u.scan.listen = local->scan.time;
+        if (local->scan.in_scan == 1)
+                       param->u.scan.last_rx = -1;
+        else {
+                       param->u.scan.last_rx = local->scan.rx_packets;
+                       local->scan.rx_packets = -1;
+               }
+        param->u.scan.channel = local->hw->modes[local->scan.mode_idx].
+               channels[local->scan.chan_idx].chan;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_flush(struct net_device *dev,
+                                struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       sta_info_flush(local, NULL);
+       return 0;
+}
+
+
+
+
+static int ieee80211_ioctl_add_sta(struct net_device *dev,
+                                  struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct sta_info *sta;
+       u32 rates;
+       int i, j;
+        struct ieee80211_sub_if_data *sdata;
+       int add_key_entry = 1;
+
+       sta = sta_info_get(local, param->sta_addr);
+
+        if (sta == NULL) {
+               sta = sta_info_add(local, dev, param->sta_addr);
+               if (sta == NULL)
+                       return -ENOMEM;
+        }
+
+       if (sta->dev != dev) {
+               /* Binding STA to a new interface, so remove all references to
+                * the old BSS. */
+               sta_info_remove_aid_ptr(sta);
+       }
+
+        /* TODO
+         * We "steal" the device in case someone owns it
+         * This will hurt WDS links and such when we have a
+         * WDS link and a client associating from the same station
+         */
+        sta->dev = dev;
+        sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+
+       sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
+       sta->aid = param->u.add_sta.aid;
+       if (sta->aid > MAX_AID_TABLE_SIZE)
+               sta->aid = 0;
+       if (sta->aid > 0 && sdata->bss)
+               sdata->bss->sta_aid[sta->aid - 1] = sta;
+       if (sdata->bss && sta->aid > sdata->bss->max_aid)
+               sdata->bss->max_aid = sta->aid;
+
+       rates = 0;
+       for (i = 0; i < sizeof(param->u.add_sta.supp_rates); i++) {
+               int rate = (param->u.add_sta.supp_rates[i] & 0x7f) * 5;
+               if (local->conf.phymode == MODE_ATHEROS_TURBO ||
+                   local->conf.phymode == MODE_ATHEROS_TURBOG)
+                       rate *= 2;
+               for (j = 0; j < local->num_curr_rates; j++) {
+                       if (local->curr_rates[j].rate == rate)
+                               rates |= BIT(j);
+               }
+
+       }
+       sta->supp_rates = rates;
+
+       rate_control_rate_init(local, sta);
+
+
+
+       if (param->u.add_sta.wds_flags & 0x01)
+               sta->flags |= WLAN_STA_WDS;
+       else
+               sta->flags &= ~WLAN_STA_WDS;
+
+       if (add_key_entry && sta->key == NULL && sdata->default_key == NULL &&
+           local->hw->set_key) {
+               struct ieee80211_key_conf conf;
+               /* Add key cache entry with NULL key type because this may used
+                * for TX filtering. */
+               memset(&conf, 0, sizeof(conf));
+               conf.hw_key_idx = HW_KEY_IDX_INVALID;
+               conf.alg = ALG_NULL;
+               conf.force_sw_encrypt = 1;
+               if (local->hw->set_key(dev, SET_KEY, sta->addr, &conf,
+                                      sta->aid)) {
+                       sta->key_idx_compression = HW_KEY_IDX_INVALID;
+               } else {
+                       sta->key_idx_compression = conf.hw_key_idx;
+               }
+       }
+
+       sta_info_release(local, sta);
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_remove_sta(struct net_device *dev,
+                                     struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct sta_info *sta;
+
+       sta = sta_info_get(local, param->sta_addr);
+       if (sta) {
+               sta_info_release(local, sta);
+               sta_info_free(local, sta, 1);
+       }
+
+       return sta ? 0 : -ENOENT;
+}
+
+
+static int ieee80211_ioctl_get_dot11counterstable(struct net_device *dev,
+                                       struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+        struct ieee80211_low_level_stats stats;
+
+       memset(&stats, 0, sizeof(stats));
+       if (local->hw->get_stats)
+               local->hw->get_stats(dev, &stats);
+        param->u.dot11CountersTable.dot11TransmittedFragmentCount =
+                local->dot11TransmittedFragmentCount;
+        param->u.dot11CountersTable.dot11MulticastTransmittedFrameCount =
+                local->dot11MulticastTransmittedFrameCount;
+        param->u.dot11CountersTable.dot11ReceivedFragmentCount =
+                local->dot11ReceivedFragmentCount;
+        param->u.dot11CountersTable.dot11MulticastReceivedFrameCount =
+                local->dot11MulticastReceivedFrameCount;
+        param->u.dot11CountersTable.dot11TransmittedFrameCount =
+                local->dot11TransmittedFrameCount;
+        param->u.dot11CountersTable.dot11FCSErrorCount =
+                stats.dot11FCSErrorCount;
+        param->u.dot11CountersTable.dot11ACKFailureCount =
+                stats.dot11ACKFailureCount;
+        param->u.dot11CountersTable.dot11RTSFailureCount =
+                stats.dot11RTSFailureCount;
+        param->u.dot11CountersTable.dot11RTSSuccessCount =
+                stats.dot11RTSSuccessCount;
+
+        return 0;
+}
+
+static int ieee80211_ioctl_get_info_sta(struct net_device *dev,
+                                       struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct sta_info *sta;
+
+       if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
+           param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
+           param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
+          struct ieee80211_sub_if_data *sdata;
+          struct net_device_stats *stats;
+
+          sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+          stats = ieee80211_dev_stats(sdata->master);
+          param->u.get_info_sta.rx_bytes = stats->rx_bytes;
+          param->u.get_info_sta.tx_bytes = stats->tx_bytes;
+          /* go through all STAs and get STA with lowest max. rate */
+          param->u.get_info_sta.current_tx_rate =
+                  local->curr_rates[sta_info_min_txrate_get(local)].rate;
+          return 0;
+        }
+
+       sta = sta_info_get(local, param->sta_addr);
+
+       if (!sta)
+               return -ENOENT;
+
+       param->u.get_info_sta.inactive_msec =
+               jiffies_to_msecs(jiffies - sta->last_rx);
+       param->u.get_info_sta.rx_packets = sta->rx_packets;
+       param->u.get_info_sta.tx_packets = sta->tx_packets;
+       param->u.get_info_sta.rx_bytes = sta->rx_bytes;
+       param->u.get_info_sta.tx_bytes = sta->tx_bytes;
+       param->u.get_info_sta.channel_use = sta->channel_use;
+        param->u.get_info_sta.flags = sta->flags;
+       if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates)
+               param->u.get_info_sta.current_tx_rate =
+                       local->curr_rates[sta->txrate].rate;
+       param->u.get_info_sta.num_ps_buf_frames =
+               skb_queue_len(&sta->ps_tx_buf);
+       param->u.get_info_sta.tx_retry_failed = sta->tx_retry_failed;
+       param->u.get_info_sta.tx_retry_count = sta->tx_retry_count;
+       param->u.get_info_sta.last_rssi = sta->last_rssi;
+       param->u.get_info_sta.last_ack_rssi = sta->last_ack_rssi[2];
+
+       sta_info_release(local, sta);
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_set_flags_sta(struct net_device *dev,
+                                        struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct sta_info *sta;
+
+       sta = sta_info_get(local, param->sta_addr);
+       if (sta) {
+               sta->flags |= param->u.set_flags_sta.flags_or;
+               sta->flags &= param->u.set_flags_sta.flags_and;
+               if (local->hw->set_port_auth &&
+                   (param->u.set_flags_sta.flags_or & WLAN_STA_AUTHORIZED) &&
+                   local->hw->set_port_auth(local->mdev, sta->addr, 1))
+                       printk(KERN_DEBUG "%s: failed to set low-level driver "
+                              "PAE state (authorized) for " MACSTR "\n",
+                              dev->name, MAC2STR(sta->addr));
+               if (local->hw->set_port_auth &&
+                   !(param->u.set_flags_sta.flags_and & WLAN_STA_AUTHORIZED)
+                   && local->hw->set_port_auth(local->mdev, sta->addr, 0))
+                       printk(KERN_DEBUG "%s: failed to set low-level driver "
+                              "PAE state (unauthorized) for " MACSTR "\n",
+                              dev->name, MAC2STR(sta->addr));
+               sta_info_release(local, sta);
+       }
+
+       return sta ? 0 : -ENOENT;
+}
+
+
+int ieee80211_set_hw_encryption(struct net_device *dev,
+                               struct sta_info *sta, u8 addr[ETH_ALEN],
+                               struct ieee80211_key *key)
+{
+       struct ieee80211_key_conf *keyconf = NULL;
+       struct ieee80211_local *local = dev->priv;
+       int rc = 0;
+
+       /* default to sw encryption; this will be cleared by low-level
+        * driver if the hw supports requested encryption */
+       if (key)
+               key->force_sw_encrypt = 1;
+
+       if (key && local->hw->set_key &&
+           (!local->conf.sw_encrypt || !local->conf.sw_decrypt) &&
+           (keyconf = ieee80211_key_data2conf(local, key)) != NULL) {
+               if (local->hw->set_key(dev, SET_KEY, addr,
+                                      keyconf, sta ? sta->aid : 0)) {
+                       rc = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
+                       key->force_sw_encrypt = 1;
+                       key->hw_key_idx = HW_KEY_IDX_INVALID;
+               } else {
+                       key->force_sw_encrypt =
+                               keyconf->force_sw_encrypt;
+                       key->hw_key_idx =
+                               keyconf->hw_key_idx;
+
+               }
+       }
+       kfree(keyconf);
+
+       return rc;
+}
+
+
+static int ieee80211_ioctl_set_encryption(struct net_device *dev,
+                                         struct prism2_hostapd_param *param,
+                                         int param_len)
+{
+       struct ieee80211_local *local = dev->priv;
+       int alg, ret = 0;
+       struct sta_info *sta;
+       struct ieee80211_key **key;
+       int set_tx_key = 0, try_hwaccel = 1;
+        struct ieee80211_key_conf *keyconf;
+        struct ieee80211_sub_if_data *sdata;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       param->u.crypt.err = 0;
+       param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
+
+       if (param_len <
+           (int) ((char *) param->u.crypt.key - (char *) param) +
+           param->u.crypt.key_len) {
+               printk(KERN_DEBUG "%s: set_encrypt - invalid param_lem\n",
+                      dev->name);
+               return -EINVAL;
+        }
+
+       if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
+           param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
+           param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
+               sta = NULL;
+               if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) {
+                       printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
+                              dev->name, param->u.crypt.idx);
+                       return -EINVAL;
+               }
+               key = &sdata->keys[param->u.crypt.idx];
+               if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY)
+                       set_tx_key = 1;
+
+               /* Disable hwaccel for default keys when the interface is not
+                * the default one.
+                * TODO: consider adding hwaccel support for these; at least
+                * Atheros key cache should be able to handle this since AP is
+                * only transmitting frames with default keys. */
+               /* FIX: hw key cache can be used when only one virtual
+                * STA is associated with each AP. If more than one STA
+                * is associated to the same AP, software encryption
+                * must be used. This should be done automatically
+                * based on configured station devices. For the time
+                * being, this can be only set at compile time. */
+               if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+                       if (0 /* FIX: more than one STA per AP */)
+                               try_hwaccel = 0;
+               } else
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM ||
+                   dev != local->wdev)
+                       try_hwaccel = 0;
+       } else {
+               if (param->u.crypt.idx != 0) {
+                       printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
+                              "individual key\n", dev->name);
+                       return -EINVAL;
+               }
+
+               sta = sta_info_get(local, param->sta_addr);
+               if (sta == NULL) {
+                       param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
+#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
+                       printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
+                              MACSTR "\n",
+                              dev->name, MAC2STR(param->sta_addr));
+#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
+
+                       return -ENOENT;
+               }
+
+               key = &sta->key;
+       }
+
+       if (strcmp(param->u.crypt.alg, "none") == 0) {
+               alg = ALG_NONE;
+       } else if (strcmp(param->u.crypt.alg, "WEP") == 0) {
+               alg = ALG_WEP;
+       } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
+               if (param->u.crypt.key_len != ALG_TKIP_KEY_LEN) {
+                       printk(KERN_DEBUG "%s: set_encrypt - invalid TKIP key "
+                              "length %d\n", dev->name,
+                              param->u.crypt.key_len);
+                       ret = -EINVAL;
+                       goto done;
+               }
+               alg = ALG_TKIP;
+       } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
+               if (param->u.crypt.key_len != ALG_CCMP_KEY_LEN) {
+                       printk(KERN_DEBUG "%s: set_encrypt - invalid CCMP key "
+                              "length %d\n", dev->name,
+                              param->u.crypt.key_len);
+                       ret = -EINVAL;
+                       goto done;
+               }
+               alg = ALG_CCMP;
+       } else {
+               param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
+               printk(KERN_DEBUG "%s: set_encrypt - unknown alg\n",
+                      dev->name);
+               ret = -EINVAL;
+               goto done;
+       }
+
+       /* FIX:
+        * Cannot configure default hwaccel keys with WEP algorithm, if
+        * any of the virtual interfaces is using static WEP
+        * configuration because hwaccel would otherwise try to decrypt
+        * these frames.
+        *
+        * For now, just disable WEP hwaccel for broadcast when there is
+        * possibility of conflict with default keys. This can maybe later be
+        * optimized by using non-default keys (at least with Atheros ar521x).
+        */
+       if (!sta && alg == ALG_WEP && !local->default_wep_only &&
+           local->conf.mode != IW_MODE_ADHOC &&
+           local->conf.mode != IW_MODE_INFRA) {
+               try_hwaccel = 0;
+       }
+
+       if (local->hw->device_hides_wep) {
+               /* Software encryption cannot be used with devices that hide
+                * encryption from the host system, so always try to use
+                * hardware acceleration with such devices. */
+               try_hwaccel = 1;
+       }
+
+       if (local->hw->no_tkip_wmm_hwaccel && alg == ALG_TKIP) {
+               if (sta && (sta->flags & WLAN_STA_WME)) {
+               /* Hardware does not support hwaccel with TKIP when using WMM.
+                */
+                       try_hwaccel = 0;
+               }
+               else if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+                       sta = sta_info_get(local, sdata->u.sta.bssid);
+                       if (sta) {
+                               if (sta->flags & WLAN_STA_WME) {
+                                       try_hwaccel = 0;
+                               }
+                               sta_info_release(local, sta);
+                               sta = NULL;
+                       }
+               }
+       }
+
+
+       if (alg == ALG_NONE) {
+               keyconf = NULL;
+               if (try_hwaccel && *key && local->hw->set_key &&
+                   (keyconf = ieee80211_key_data2conf(local, *key)) != NULL &&
+                   local->hw->set_key(dev, DISABLE_KEY, param->sta_addr,
+                                      keyconf, sta ? sta->aid : 0)) {
+                       param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
+                       printk(KERN_DEBUG "%s: set_encrypt - low-level disable"
+                              " failed\n", dev->name);
+                       ret = -EINVAL;
+               }
+               kfree(keyconf);
+
+               if (sdata->default_key == *key)
+                       sdata->default_key = NULL;
+               kfree(*key);
+               *key = NULL;
+       } else {
+               if (*key == NULL || (*key)->keylen < param->u.crypt.key_len) {
+                       kfree(*key);
+                       *key = kmalloc(sizeof(struct ieee80211_key) +
+                                      param->u.crypt.key_len, GFP_ATOMIC);
+                       if (*key == NULL) {
+                               ret = -ENOMEM;
+                               goto done;
+                       }
+               }
+               memset(*key, 0, sizeof(struct ieee80211_key) +
+                      param->u.crypt.key_len);
+               /* default to sw encryption; low-level driver sets these if the
+                * requested encryption is supported */
+               (*key)->hw_key_idx = HW_KEY_IDX_INVALID;
+               (*key)->force_sw_encrypt = 1;
+
+               (*key)->alg = alg;
+               (*key)->keyidx = param->u.crypt.idx;
+               (*key)->keylen = param->u.crypt.key_len;
+               memcpy((*key)->key, param->u.crypt.key,
+                      param->u.crypt.key_len);
+               if (set_tx_key)
+                       (*key)->default_tx_key = 1;
+
+               if (alg == ALG_CCMP) {
+                       /* Initialize AES key state here as an optimization
+                        * so that it does not need to be initialized for every
+                        * packet. */
+                       ieee80211_aes_key_setup_encrypt(
+                               (*key)->u.ccmp.aes_state, (*key)->key);
+               }
+
+               if (try_hwaccel &&
+                   (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
+                       param->u.crypt.err = ieee80211_set_hw_encryption(
+                               dev, sta, param->sta_addr, *key);
+       }
+
+       if (set_tx_key || (sta == NULL && sdata->default_key == NULL)) {
+                sdata->default_key = *key;
+               if (local->hw->set_key_idx &&
+                   local->hw->set_key_idx(dev, param->u.crypt.idx))
+                       printk(KERN_DEBUG "%s: failed to set TX key idx for "
+                              "low-level driver\n", dev->name);
+       }
+
+ done:
+       if (sta)
+               sta_info_release(local, sta);
+
+       return ret;
+}
+
+static int ieee80211_ioctl_get_encryption(struct net_device *dev,
+                                         struct prism2_hostapd_param *param,
+                                         int param_len)
+{
+       struct ieee80211_local *local = dev->priv;
+       int ret = 0;
+       struct sta_info *sta;
+       struct ieee80211_key **key;
+       int max_key_len;
+        struct ieee80211_sub_if_data *sdata;
+       u8 *pos;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       param->u.crypt.err = 0;
+
+       max_key_len = param_len -
+               (int) ((char *) param->u.crypt.key - (char *) param);
+       if (max_key_len < 0)
+               return -EINVAL;
+
+       if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
+           param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
+           param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
+               sta = NULL;
+               if (param->u.crypt.idx > NUM_DEFAULT_KEYS) {
+                       param->u.crypt.idx = sdata->default_key ?
+                               sdata->default_key->keyidx : 0;
+                       return 0;
+               } else
+                       key = &sdata->keys[param->u.crypt.idx];
+       } else {
+               sta = sta_info_get(local, param->sta_addr);
+               if (sta == NULL) {
+                       param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
+                       return -EINVAL;
+               }
+
+               key = &sta->key;
+       }
+
+
+       memset(param->u.crypt.seq_counter, 0, HOSTAP_SEQ_COUNTER_SIZE);
+       if (*key == NULL) {
+               memcpy(param->u.crypt.alg, "none", 5);
+               param->u.crypt.key_len = 0;
+               param->u.crypt.idx = 0xff;
+       } else {
+               switch ((*key)->alg) {
+               case ALG_WEP:
+                       memcpy(param->u.crypt.alg, "WEP", 4);
+                       break;
+               case ALG_TKIP:
+               {
+                       u32 iv32;
+                       u16 iv16;
+
+                       memcpy(param->u.crypt.alg, "TKIP", 5);
+                       if (local->hw->get_sequence_counter) {
+                       /* Get transmit counter from low level driver */
+                               if (local->hw->get_sequence_counter(dev,
+                                               param->sta_addr,
+                                               (*key)->keyidx,
+                                               IEEE80211_SEQ_COUNTER_TX,
+                                               &iv32,
+                                               &iv16)) {
+                                       /* Error getting value from device */
+                                       return -EIO;
+                               }
+                       } else {
+                               /* Get it from our own local data */
+                               iv32 = (*key)->u.tkip.iv32;
+                               iv16 = (*key)->u.tkip.iv16;
+                       }
+                       pos = param->u.crypt.seq_counter;
+                       *pos++ = iv16 & 0xff;
+                       *pos++ = (iv16 >> 8) & 0xff;
+                       *pos++ = iv32 & 0xff;
+                       *pos++ = (iv32 >> 8) & 0xff;
+                       *pos++ = (iv32 >> 16) & 0xff;
+                       *pos++ = (iv32 >> 24) & 0xff;
+                       break;
+                       }
+               case ALG_CCMP:
+               {
+                       u8 *pn;
+                       memcpy(param->u.crypt.alg, "CCMP", 5);
+                       pos = param->u.crypt.seq_counter;
+                       pn = (*key)->u.ccmp.tx_pn;
+                       *pos++ = pn[5];
+                       *pos++ = pn[4];
+                       *pos++ = pn[3];
+                       *pos++ = pn[2];
+                       *pos++ = pn[1];
+                       *pos++ = pn[0];
+                       break;
+               }
+               default:
+                       memcpy(param->u.crypt.alg, "unknown", 8);
+                       break;
+               }
+
+               if (max_key_len < (*key)->keylen)
+                       ret = -E2BIG;
+               else {
+                       param->u.crypt.key_len = (*key)->keylen;
+                       memcpy(param->u.crypt.key, (*key)->key,
+                              (*key)->keylen);
+               }
+       }
+
+       if (sta)
+               sta_info_release(local, sta);
+
+       return ret;
+}
+
+
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+static int ieee80211_ioctl_wpa_trigger(struct net_device *dev,
+                                      struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct sta_info *sta;
+
+       if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
+           param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
+           param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
+               local->wpa_trigger = param->u.wpa_trigger.trigger;
+               return 0;
+       }
+
+       sta = sta_info_get(local, param->sta_addr);
+       if (sta == NULL) {
+               printk(KERN_DEBUG "%s: wpa_trigger - unknown addr\n",
+                      dev->name);
+               return -EINVAL;
+       }
+
+       sta->wpa_trigger = param->u.wpa_trigger.trigger;
+
+       sta_info_release(local, sta);
+       return 0;
+}
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+
+
+static int ieee80211_ioctl_set_rate_sets(struct net_device *dev,
+                                        struct prism2_hostapd_param *param,
+                                        int param_len)
+{
+       struct ieee80211_local *local = dev->priv;
+       u16 *pos = (u16 *) param->u.set_rate_sets.data;
+       int left = param_len - ((u8 *) pos - (u8 *) param);
+       int i, mode, num_supp, num_basic, *supp, *basic, *prev;
+
+       mode = param->u.set_rate_sets.mode;
+       num_supp = param->u.set_rate_sets.num_supported_rates;
+       num_basic = param->u.set_rate_sets.num_basic_rates;
+
+       if (left < (num_supp + num_basic) * 2) {
+               printk(KERN_WARNING "%s: invalid length in hostapd set rate "
+                      "sets ioctl (%d != %d)\n", dev->name, left,
+                      (num_supp + num_basic) * 2);
+               return -EINVAL;
+       }
+
+       supp = (int *) kmalloc((num_supp + 1) * sizeof(int), GFP_KERNEL);
+       basic = (int *) kmalloc((num_basic + 1) * sizeof(int), GFP_KERNEL);
+
+       if (!supp || !basic) {
+               kfree(supp);
+               kfree(basic);
+               return -ENOMEM;
+       }
+
+       for (i = 0; i < num_supp; i++)
+               supp[i] = *pos++;
+       supp[i] = -1;
+
+       for (i = 0; i < num_basic; i++)
+               basic[i] = *pos++;
+       basic[i] = -1;
+
+       if (num_supp == 0) {
+               kfree(supp);
+               supp = NULL;
+       }
+
+       if (num_basic == 0) {
+               kfree(basic);
+               basic = NULL;
+       }
+
+       prev = local->supp_rates[mode];
+       local->supp_rates[mode] = supp;
+       kfree(prev);
+
+       prev = local->basic_rates[mode];
+       local->basic_rates[mode] = basic;
+       kfree(prev);
+
+       if (mode == local->conf.phymode) {
+               /* TODO: should update STA TX rates and remove STAs if they
+                * do not have any remaining supported rates after the change
+                */
+               ieee80211_prepare_rates(dev);
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_add_if(struct net_device *dev,
+                                 struct prism2_hostapd_param *param,
+                                 int param_len)
+{
+       u8 *pos = param->u.if_info.data;
+        int left = param_len - ((u8 *) pos - (u8 *) param);
+
+        if (param->u.if_info.type == HOSTAP_IF_WDS) {
+                struct ieee80211_if_wds iwds;
+                struct hostapd_if_wds *wds =
+                       (struct hostapd_if_wds *) param->u.if_info.data;
+
+                if (left < sizeof(struct ieee80211_if_wds))
+                        return -EPROTO;
+
+               memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN);
+
+               return ieee80211_if_add_wds(dev, param->u.if_info.name,
+                                           &iwds, 1);
+       } else if (param->u.if_info.type == HOSTAP_IF_VLAN) {
+               struct hostapd_if_vlan *vlan = (struct hostapd_if_vlan *) pos;
+               struct ieee80211_if_vlan ivlan;
+
+               if (left < sizeof(struct hostapd_if_vlan))
+                       return -EPROTO;
+
+                ivlan.id = vlan->id;
+
+               return ieee80211_if_add_vlan(dev, param->u.if_info.name,
+                                            &ivlan, 1);
+        } else if (param->u.if_info.type == HOSTAP_IF_BSS) {
+                struct hostapd_if_bss *bss =
+                       (struct hostapd_if_bss *) param->u.if_info.data;
+
+                if (left < sizeof(struct hostapd_if_bss))
+                        return -EPROTO;
+
+               return ieee80211_if_add_norm(dev, param->u.if_info.name,
+                                            bss->bssid, 1);
+        } else if (param->u.if_info.type == HOSTAP_IF_STA) {
+#if 0
+                struct hostapd_if_sta *sta =
+                       (struct hostapd_if_sta *) param->u.if_info.data;
+#endif
+
+                if (left < sizeof(struct hostapd_if_sta))
+                        return -EPROTO;
+
+               return ieee80211_if_add_sta(dev, param->u.if_info.name, 1);
+       } else
+                return -EINVAL;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_remove_if(struct net_device *dev,
+                                    struct prism2_hostapd_param *param)
+{
+       if (param->u.if_info.type == HOSTAP_IF_WDS) {
+               return ieee80211_if_remove_wds(dev, param->u.if_info.name, 1);
+       } else if (param->u.if_info.type == HOSTAP_IF_VLAN) {
+               return ieee80211_if_remove_vlan(dev, param->u.if_info.name, 1);
+       } else if (param->u.if_info.type == HOSTAP_IF_BSS) {
+               return ieee80211_if_remove_norm(dev, param->u.if_info.name, 1);
+       } else if (param->u.if_info.type == HOSTAP_IF_STA) {
+               return ieee80211_if_remove_sta(dev, param->u.if_info.name, 1);
+       } else {
+                return -EINVAL;
+       }
+}
+
+
+static int ieee80211_ioctl_update_if(struct net_device *dev,
+                                    struct prism2_hostapd_param *param,
+                                    int param_len)
+{
+       u8 *pos = param->u.if_info.data;
+        int left = param_len - ((u8 *) pos - (u8 *) param);
+
+       if (param->u.if_info.type == HOSTAP_IF_WDS) {
+               struct ieee80211_if_wds iwds;
+               struct hostapd_if_wds *wds =
+                       (struct hostapd_if_wds *) param->u.if_info.data;
+
+               if (left < sizeof(struct ieee80211_if_wds))
+                       return -EPROTO;
+
+               memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN);
+
+               return ieee80211_if_update_wds(dev, param->u.if_info.name,
+                                              &iwds, 1);
+       } else {
+               return -EOPNOTSUPP;
+       }
+}
+
+
+static int ieee80211_ioctl_flush_ifs(struct net_device *dev,
+                                    struct prism2_hostapd_param *param)
+{
+       return ieee80211_if_flush(dev, 1);
+}
+
+
+static int ieee80211_ioctl_scan_req(struct net_device *dev,
+                                   struct prism2_hostapd_param *param,
+                                   int param_len)
+{
+       u8 *pos = param->u.scan_req.ssid;
+       int left = param_len - ((u8 *) pos - (u8 *) param);
+       int len = param->u.scan_req.ssid_len;
+
+       if (left < len || len > IEEE80211_MAX_SSID_LEN)
+               return -EINVAL;
+
+       return ieee80211_sta_req_scan(dev, pos, len);
+}
+
+
+static int ieee80211_ioctl_sta_get_state(struct net_device *dev,
+                                        struct prism2_hostapd_param *param)
+{
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+               return -EINVAL;
+       param->u.sta_get_state.state = sdata->u.sta.state;
+       return 0;
+}
+
+
+static int ieee80211_ioctl_mlme(struct net_device *dev,
+                               struct prism2_hostapd_param *param)
+{
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+               return -EINVAL;
+       switch (param->u.mlme.cmd) {
+       case MLME_STA_DEAUTH:
+               ieee80211_sta_deauthenticate(dev, param->u.mlme.reason_code);
+               break;
+       case MLME_STA_DISASSOC:
+               ieee80211_sta_disassociate(dev, param->u.mlme.reason_code);
+               break;
+       }
+       return 0;
+}
+
+
+static int ieee80211_ioctl_get_load_stats(struct net_device *dev,
+                                         struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       param->u.get_load_stats.channel_use = local->channel_use;
+/*     if (param->u.get_load_stats.flags & LOAD_STATS_CLEAR)
+               local->channel_use = 0; */ /* now it's not raw counter */
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_set_sta_vlan(struct net_device *dev,
+                                        struct prism2_hostapd_param *param)
+{
+        struct ieee80211_local *local = dev->priv;
+        struct sta_info *sta;
+
+        sta = sta_info_get(local, param->sta_addr);
+        if (sta) {
+                struct net_device *new_vlan_dev;
+                new_vlan_dev =
+                       dev_get_by_name(param->u.set_sta_vlan.vlan_name);
+                if (new_vlan_dev) {
+#if 0
+                        printk("%s: Station " MACSTR " moved to vlan: %s\n",
+                               dev->name, MAC2STR(param->sta_addr),
+                               new_vlan_dev->name);
+#endif
+                        sta->dev = new_vlan_dev;
+                       sta->vlan_id = param->u.set_sta_vlan.vlan_id;
+                        dev_put(new_vlan_dev);
+                }
+               sta_info_release(local, sta);
+       }
+
+       return sta ? 0 : -ENOENT;
+}
+
+
+static int
+ieee80211_ioctl_set_generic_info_elem(struct net_device *dev,
+                                     struct prism2_hostapd_param *param,
+                                     int param_len)
+{
+       struct ieee80211_local *local = dev->priv;
+       u8 *pos = param->u.set_generic_info_elem.data;
+        int left = param_len - ((u8 *) pos - (u8 *) param);
+       int len = param->u.set_generic_info_elem.len;
+
+       if (left < len)
+               return -EINVAL;
+
+       {
+               struct ieee80211_sub_if_data *sdata;
+               sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+               if (sdata->type == IEEE80211_SUB_IF_TYPE_STA)
+                       return ieee80211_sta_set_extra_ie(dev, pos, len);
+       }
+       kfree(local->conf.generic_elem);
+       local->conf.generic_elem = kmalloc(len, GFP_KERNEL);
+       if (local->conf.generic_elem == NULL)
+               return -ENOMEM;
+       memcpy(local->conf.generic_elem, pos, len);
+       local->conf.generic_elem_len = len;
+
+       return ieee80211_hw_config(dev);
+}
+
+
+static int ieee80211_ioctl_set_regulatory_domain(struct net_device *dev,
+                                           struct prism2_hostapd_param *param)
+{
+        struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
+        conf->regulatory_domain = param->u.set_regulatory_domain.rd;
+        return 0;
+}
+
+
+static int ieee80211_ioctl_set_adm_status(struct net_device *dev,
+                                         int val)
+{
+        struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
+        conf->adm_status = val;
+        return ieee80211_hw_config(dev);
+}
+
+static int
+ieee80211_ioctl_set_tx_queue_params(struct net_device *dev,
+                                   struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_tx_queue_params qparam;
+
+       if (!local->hw->conf_tx) {
+               printk(KERN_DEBUG "%s: low-level driver does not support TX "
+                      "queue configuration\n", dev->name);
+               return -EOPNOTSUPP;
+       }
+
+       memset(&qparam, 0, sizeof(qparam));
+       qparam.aifs = param->u.tx_queue_params.aifs;
+       qparam.cw_min = param->u.tx_queue_params.cw_min;
+       qparam.cw_max = param->u.tx_queue_params.cw_max;
+       qparam.burst_time = param->u.tx_queue_params.burst_time;
+
+       return local->hw->conf_tx(dev, param->u.tx_queue_params.queue,
+                                 &qparam);
+}
+
+
+static int ieee80211_ioctl_get_tx_stats(struct net_device *dev,
+                                       struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_tx_queue_stats stats;
+       int ret, i;
+
+       if (!local->hw->get_tx_stats)
+               return -EOPNOTSUPP;
+
+       memset(&stats, 0, sizeof(stats));
+       ret = local->hw->get_tx_stats(dev, &stats);
+       if (ret)
+               return ret;
+
+       for (i = 0; i < 4; i++) {
+               param->u.get_tx_stats.data[i].len = stats.data[i].len;
+               param->u.get_tx_stats.data[i].limit = stats.data[i].limit;
+               param->u.get_tx_stats.data[i].count = stats.data[i].count;
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_set_bss(struct net_device *dev,
+                                  struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
+       int i, bss_count;
+       int new_count = param->u.set_bss.bss_count;
+       struct net_device **bss_devs, **prev;
+       struct net_device **sta_devs, **prev_sta_devs;
+
+       bss_count = 0;
+       for (i = 0; i < conf->bss_count; i++) {
+               if (local->bss_devs[i])
+                       bss_count++;
+       }
+
+       if (new_count < bss_count) {
+               printk(KERN_DEBUG "%s: invalid BSS count %d (in use: %d)\n",
+                      dev->name, new_count, bss_count);
+               return -EINVAL;
+       }
+
+       bss_devs = kmalloc(new_count * sizeof(struct net_device *),
+                          GFP_KERNEL);
+       if (bss_devs == NULL)
+               return -ENOMEM;
+       sta_devs = kmalloc(new_count * sizeof(struct net_device *),
+                          GFP_KERNEL);
+       if (sta_devs == NULL) {
+               kfree(bss_devs);
+               return -ENOMEM;
+       }
+
+       spin_lock_bh(&local->sub_if_lock);
+       memcpy(bss_devs, local->bss_devs,
+              bss_count * sizeof(struct net_device *));
+       memset(&bss_devs[bss_count], 0,
+              (new_count - bss_count) * sizeof(struct net_device *));
+
+       memcpy(conf->bssid_mask, param->u.set_bss.bssid_mask, ETH_ALEN);
+
+       prev = local->bss_devs;
+       local->bss_devs = bss_devs;
+       conf->bss_count = new_count;
+
+       memcpy(sta_devs, local->sta_devs,
+              bss_count * sizeof(struct net_device *));
+       memset(&sta_devs[bss_count], 0,
+              (new_count - bss_count) * sizeof(struct net_device *));
+       prev_sta_devs = local->sta_devs;
+       local->sta_devs = sta_devs;
+
+       spin_unlock_bh(&local->sub_if_lock);
+       kfree(prev);
+       kfree(prev_sta_devs);
+
+       return ieee80211_hw_config(dev);
+}
+
+
+static int ieee80211_ioctl_set_channel_flag(struct net_device *dev,
+                                           struct prism2_hostapd_param *param)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_hw_modes *mode = NULL;
+       struct ieee80211_channel *chan = NULL;
+       int i;
+
+       for (i = 0; i < local->hw->num_modes; i++) {
+               mode = &local->hw->modes[i];
+               if (mode->mode == param->u.set_channel_flag.mode)
+                       break;
+               mode = NULL;
+       }
+
+       if (!mode)
+               return -ENOENT;
+
+       for (i = 0; i < mode->num_channels; i++) {
+               chan = &mode->channels[i];
+               if (chan->chan == param->u.set_channel_flag.chan)
+                       break;
+               chan = NULL;
+       }
+
+       if (!chan)
+               return -ENOENT;
+
+       chan->flag = param->u.set_channel_flag.flag;
+        chan->power_level = param->u.set_channel_flag.power_level;
+        chan->antenna_max = param->u.set_channel_flag.antenna_max;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_set_quiet_params(struct net_device *dev,
+                                           struct prism2_hostapd_param *param)
+{
+       struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
+       conf->quiet_duration = param->u.quiet.duration;
+       conf->quiet_offset = param->u.quiet.offset;
+       conf->quiet_period = param->u.quiet.period;
+       return 0;
+}
+
+
+static int ieee80211_ioctl_set_radar_params(struct net_device *dev,
+                                           struct prism2_hostapd_param *param)
+{
+       /* struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); */
+       return 0;
+}
+
+
+static int ieee80211_ioctl_priv_hostapd(struct net_device *dev,
+                                       struct iw_point *p)
+{
+       struct prism2_hostapd_param *param;
+       int ret = 0;
+
+       if (p->length < sizeof(struct prism2_hostapd_param) ||
+           p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) {
+               printk(KERN_DEBUG "%s: hostapd ioctl: ptr=%p len=%d min=%d "
+                      "max=%d\n", dev->name, p->pointer, p->length,
+                      (int)sizeof(struct prism2_hostapd_param),
+                      PRISM2_HOSTAPD_MAX_BUF_SIZE);
+               return -EINVAL;
+       }
+
+       param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
+       if (param == NULL)
+               return -ENOMEM;
+
+       if (copy_from_user(param, p->pointer, p->length)) {
+               ret = -EFAULT;
+               goto out;
+       }
+
+       switch (param->cmd) {
+       case PRISM2_HOSTAPD_FLUSH:
+               ret = ieee80211_ioctl_flush(dev, param);
+               break;
+       case PRISM2_HOSTAPD_ADD_STA:
+               ret = ieee80211_ioctl_add_sta(dev, param);
+               break;
+       case PRISM2_HOSTAPD_REMOVE_STA:
+               ret = ieee80211_ioctl_remove_sta(dev, param);
+               break;
+       case PRISM2_HOSTAPD_GET_INFO_STA:
+               ret = ieee80211_ioctl_get_info_sta(dev, param);
+               break;
+       case PRISM2_SET_ENCRYPTION:
+               ret = ieee80211_ioctl_set_encryption(dev, param, p->length);
+               break;
+       case PRISM2_GET_ENCRYPTION:
+               ret = ieee80211_ioctl_get_encryption(dev, param, p->length);
+               break;
+       case PRISM2_HOSTAPD_SET_FLAGS_STA:
+               ret = ieee80211_ioctl_set_flags_sta(dev, param);
+               break;
+       case PRISM2_HOSTAPD_SET_BEACON:
+               ret = ieee80211_ioctl_set_beacon(dev, param, p->length, 0);
+               break;
+       case PRISM2_HOSTAPD_GET_HW_FEATURES:
+               ret = ieee80211_ioctl_get_hw_features(dev, param, p->length);
+               break;
+        case PRISM2_HOSTAPD_SCAN:
+               ret = ieee80211_ioctl_scan(dev, param);
+               break;
+#ifdef CONFIG_HOSTAPD_WPA_TESTING
+        case PRISM2_HOSTAPD_WPA_TRIGGER:
+               ret = ieee80211_ioctl_wpa_trigger(dev, param);
+               break;
+#endif /* CONFIG_HOSTAPD_WPA_TESTING */
+        case PRISM2_HOSTAPD_SET_RATE_SETS:
+               ret = ieee80211_ioctl_set_rate_sets(dev, param, p->length);
+               break;
+       case PRISM2_HOSTAPD_ADD_IF:
+                ret = ieee80211_ioctl_add_if(dev, param, p->length);
+                break;
+       case PRISM2_HOSTAPD_REMOVE_IF:
+                ret = ieee80211_ioctl_remove_if(dev, param);
+                break;
+       case PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE:
+               ret = ieee80211_ioctl_get_dot11counterstable(dev, param);
+               break;
+        case PRISM2_HOSTAPD_GET_LOAD_STATS:
+               ret = ieee80211_ioctl_get_load_stats(dev, param);
+               break;
+        case PRISM2_HOSTAPD_SET_STA_VLAN:
+                ret = ieee80211_ioctl_set_sta_vlan(dev, param);
+               break;
+        case PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM:
+                ret = ieee80211_ioctl_set_generic_info_elem(dev, param,
+                                                           p->length);
+               break;
+        case PRISM2_HOSTAPD_SET_CHANNEL_FLAG:
+               ret = ieee80211_ioctl_set_channel_flag(dev, param);
+               break;
+        case PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN:
+               ret = ieee80211_ioctl_set_regulatory_domain(dev, param);
+               break;
+       case PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS:
+               ret = ieee80211_ioctl_set_tx_queue_params(dev, param);
+               break;
+       case PRISM2_HOSTAPD_SET_BSS:
+               ret = ieee80211_ioctl_set_bss(dev, param);
+               break;
+       case PRISM2_HOSTAPD_GET_TX_STATS:
+               ret = ieee80211_ioctl_get_tx_stats(dev, param);
+               break;
+       case PRISM2_HOSTAPD_UPDATE_IF:
+                ret = ieee80211_ioctl_update_if(dev, param, p->length);
+                break;
+       case PRISM2_HOSTAPD_SCAN_REQ:
+                ret = ieee80211_ioctl_scan_req(dev, param, p->length);
+                break;
+       case PRISM2_STA_GET_STATE:
+               ret = ieee80211_ioctl_sta_get_state(dev, param);
+               break;
+       case PRISM2_HOSTAPD_MLME:
+               ret = ieee80211_ioctl_mlme(dev, param);
+               break;
+       case PRISM2_HOSTAPD_FLUSH_IFS:
+               ret = ieee80211_ioctl_flush_ifs(dev, param);
+               break;
+       case PRISM2_HOSTAPD_SET_RADAR_PARAMS:
+               ret = ieee80211_ioctl_set_radar_params(dev, param); 
+               break;
+       case PRISM2_HOSTAPD_SET_QUIET_PARAMS:
+               ret = ieee80211_ioctl_set_quiet_params(dev, param);
+               break;
+       default:
+               ret = -EOPNOTSUPP;
+               break;
+       }
+
+       if (copy_to_user(p->pointer, param, p->length))
+               ret = -EFAULT;
+
+ out:
+       kfree(param);
+
+       return ret;
+}
+
+
+static int ieee80211_ioctl_giwname(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  char *name, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       switch (local->conf.phymode) {
+       case MODE_IEEE80211A:
+               strcpy(name, "IEEE 802.11a");
+               break;
+       case MODE_IEEE80211B:
+               strcpy(name, "IEEE 802.11b");
+               break;
+       case MODE_IEEE80211G:
+               strcpy(name, "IEEE 802.11g");
+               break;
+       case MODE_ATHEROS_TURBO:
+               strcpy(name, "5GHz Turbo");
+               break;
+       default:
+               strcpy(name, "IEEE 802.11");
+               break;
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_giwrange(struct net_device *dev,
+                                struct iw_request_info *info,
+                                struct iw_point *data, char *extra)
+{
+       struct iw_range *range = (struct iw_range *) extra;
+
+       data->length = sizeof(struct iw_range);
+       memset(range, 0, sizeof(struct iw_range));
+
+       range->we_version_compiled = WIRELESS_EXT;
+       range->we_version_source = 14;
+       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;
+
+       return 0;
+}
+
+
+struct ieee80211_channel_range {
+       short start_freq;
+       short end_freq;
+       unsigned char power_level;
+       unsigned char antenna_max;
+};
+
+static const struct ieee80211_channel_range ieee80211_fcc_channels[] = {
+       { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */,
+       { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */,
+       { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */,
+       { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */,
+       { 0 }
+};
+
+static const struct ieee80211_channel_range ieee80211_mkk_channels[] = {
+       { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */,
+       { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */,
+       { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */,
+       { 0 }
+};
+
+
+static const struct ieee80211_channel_range *channel_range =
+       ieee80211_fcc_channels;
+
+
+static void ieee80211_unmask_channel(struct net_device *dev, int mode,
+                                    struct ieee80211_channel *chan)
+{
+       int i;
+
+       chan->flag = 0;
+
+       if (ieee80211_regdom == 64 &&
+           (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) {
+               /* Do not allow Turbo modes in Japan. */
+               return;
+       }
+
+       for (i = 0; channel_range[i].start_freq; i++) {
+               const struct ieee80211_channel_range *r = &channel_range[i];
+               if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) {
+                       if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz &&
+                           chan->freq >= 5260 && chan->freq <= 5320) {
+                               /*
+                                * Skip new channels in Japan since the
+                                * firmware was not marked having been upgraded
+                                * by the vendor.
+                                */
+                               continue;
+                       }
+
+                       if (ieee80211_regdom == 0x10 &&
+                           (chan->freq == 5190 || chan->freq == 5210 ||
+                            chan->freq == 5230)) {
+                                   /* Skip MKK channels when in FCC domain. */
+                                   continue;
+                       }
+
+                       chan->flag |= IEEE80211_CHAN_W_SCAN |
+                               IEEE80211_CHAN_W_ACTIVE_SCAN |
+                               IEEE80211_CHAN_W_IBSS;
+                       chan->power_level = r->power_level;
+                       chan->antenna_max = r->antenna_max;
+
+                       if (ieee80211_regdom == 64 &&
+                           (chan->freq == 5170 || chan->freq == 5190 ||
+                            chan->freq == 5210 || chan->freq == 5230)) {
+                               /*
+                                * New regulatory rules in Japan have backwards
+                                * compatibility with old channels in 5.15-5.25
+                                * GHz band, but the station is not allowed to
+                                * use active scan on these old channels.
+                                */
+                               chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN;
+                       }
+
+                       if (ieee80211_regdom == 64 &&
+                           (chan->freq == 5260 || chan->freq == 5280 ||
+                            chan->freq == 5300 || chan->freq == 5320)) {
+                               /*
+                                * IBSS is not allowed on 5.25-5.35 GHz band
+                                * due to radar detection requirements.
+                                */
+                               chan->flag &= ~IEEE80211_CHAN_W_IBSS;
+                       }
+
+                       break;
+               }
+       }
+}
+
+
+static int ieee80211_unmask_channels(struct net_device *dev)
+{
+       struct ieee80211_local *local = dev->priv;
+       int m, c;
+
+       for (m = 0; m < local->hw->num_modes; m++) {
+               struct ieee80211_hw_modes *mode = &local->hw->modes[m];
+               for (c = 0; c < mode->num_channels; c++) {
+                       ieee80211_unmask_channel(dev, mode->mode,
+                                                &mode->channels[c]);
+               }
+       }
+       return 0;
+}
+
+
+static int ieee80211_init_client(struct net_device *dev)
+{
+       if (ieee80211_regdom == 0x40)
+               channel_range = ieee80211_mkk_channels;
+       ieee80211_unmask_channels(dev);
+       ieee80211_ioctl_set_adm_status(dev, 1);
+       return 0;
+}
+
+
+static int ieee80211_is_client_mode(int iw_mode)
+{
+       return (iw_mode == IW_MODE_INFRA || iw_mode == IW_MODE_ADHOC);
+}
+
+
+static int ieee80211_ioctl_siwmode(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  __u32 *mode, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       if (!ieee80211_is_client_mode(local->conf.mode) &&
+           ieee80211_is_client_mode(*mode)) {
+               ieee80211_init_client(dev);
+       }
+       if (local->conf.mode != *mode) {
+               struct ieee80211_sub_if_data *sdata =
+                       IEEE80211_DEV_TO_SUB_IF(dev);
+               sta_info_flush(local, NULL);
+               if (local->conf.mode == IW_MODE_ADHOC &&
+                   sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+                       /* Clear drop_unencrypted when leaving adhoc mode since
+                        * only adhoc mode is using automatic setting for this
+                        * in 80211.o. */
+                       sdata->drop_unencrypted = 0;
+               }
+               if (*mode == IW_MODE_MASTER) {
+                       /* AP mode does not currently use ACM bits to limit
+                        * TX, so clear the bitfield here. */
+                       local->wmm_acm = 0;
+               }
+       }
+       local->conf.mode = *mode;
+       return ieee80211_hw_config(dev);
+}
+
+
+static int ieee80211_ioctl_giwmode(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  __u32 *mode, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+               if (local->conf.mode == IW_MODE_ADHOC)
+                       *mode = IW_MODE_ADHOC;
+               else
+                       *mode = IW_MODE_INFRA;
+       } else
+               *mode = local->conf.mode;
+       return 0;
+}
+
+
+int ieee80211_ioctl_siwfreq(struct net_device *dev,
+                           struct iw_request_info *info,
+                           struct iw_freq *freq, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       int m, c, nfreq, set = 0;
+
+       /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
+       if (freq->e == 0)
+               nfreq = -1;
+       else {
+               int i, div = 1000000;
+               for (i = 0; i < freq->e; i++)
+                       div /= 10;
+               if (div > 0)
+                       nfreq = freq->m / div;
+               else
+                       return -EINVAL;
+       }
+
+       for (m = 0; m < local->hw->num_modes; m++) {
+               struct ieee80211_hw_modes *mode = &local->hw->modes[m];
+               for (c = 0; c < mode->num_channels; c++) {
+                       struct ieee80211_channel *chan = &mode->channels[c];
+                       if (chan->flag & IEEE80211_CHAN_W_SCAN &&
+                           ((freq->e == 0 && chan->chan == freq->m) ||
+                            (freq->e > 0 && nfreq == chan->freq)) &&
+                           (local->hw_modes & (1 << mode->mode))) {
+                               /* Use next_mode as the mode preference to
+                                * resolve non-unique channel numbers. */
+                               if (set && mode->mode != local->next_mode)
+                                       continue;
+
+                               local->conf.channel = chan->chan;
+                               local->conf.channel_val = chan->val;
+                                local->conf.power_level = chan->power_level;
+                               local->conf.freq = chan->freq;
+                               local->conf.phymode = mode->mode;
+                                local->conf.antenna_max = chan->antenna_max;
+                               set++;
+                       }
+               }
+       }
+
+       if (set) {
+               local->sta_scanning = 0; /* Abort possible scan */
+               return ieee80211_hw_config(dev);
+       }
+
+       return -EINVAL;
+}
+
+
+static int ieee80211_ioctl_giwfreq(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct iw_freq *freq, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
+        * driver for the current channel with firmware-based management */
+
+       freq->m = local->conf.freq;
+       freq->e = 6;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_siwessid(struct net_device *dev,
+                                   struct iw_request_info *info,
+                                   struct iw_point *data, char *ssid)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_sub_if_data *sdata;
+        size_t len = data->length;
+
+       /* iwconfig uses nul termination in SSID.. */
+       if (len > 0 && ssid[len - 1] == '\0')
+               len--;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_SUB_IF_TYPE_STA)
+               return ieee80211_sta_set_ssid(dev, ssid, len);
+
+       kfree(local->conf.ssid);
+       local->conf.ssid = kmalloc(len + 1, GFP_KERNEL);
+       if (local->conf.ssid == NULL)
+               return -ENOMEM;
+       memcpy(local->conf.ssid, ssid, len);
+       local->conf.ssid[len] = '\0';
+       local->conf.ssid_len = len;
+       return ieee80211_hw_config(dev);
+}
+
+
+static int ieee80211_ioctl_giwessid(struct net_device *dev,
+                                   struct iw_request_info *info,
+                                   struct iw_point *data, char *ssid)
+{
+       struct ieee80211_local *local = dev->priv;
+       size_t len;
+
+       struct ieee80211_sub_if_data *sdata;
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+               int res = ieee80211_sta_get_ssid(dev, ssid, &len);
+               if (res == 0)
+                       data->length = len;
+               return res;
+       }
+
+       len = local->conf.ssid_len;
+       if (len > IW_ESSID_MAX_SIZE)
+               len = IW_ESSID_MAX_SIZE;
+       memcpy(ssid, local->conf.ssid, len);
+       data->length = len;
+       return 0;
+}
+
+
+static int ieee80211_ioctl_siwap(struct net_device *dev,
+                                struct iw_request_info *info,
+                                struct sockaddr *ap_addr, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+               int changed_bssid = 0;
+               if (memcmp(local->conf.client_bssid, (u8 *) &ap_addr->sa_data,
+                          ETH_ALEN) != 0)
+                       changed_bssid = 1;
+               memcpy(local->conf.client_bssid, (u8 *) &ap_addr->sa_data,
+                      ETH_ALEN);
+               if (changed_bssid && ieee80211_hw_config(dev)) {
+                       printk(KERN_DEBUG "%s: Failed to config new BSSID to "
+                              "the low-level driver\n", dev->name);
+               }
+               return ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
+       }
+
+       return -EOPNOTSUPP;
+}
+
+
+static int ieee80211_ioctl_giwap(struct net_device *dev,
+                                struct iw_request_info *info,
+                                struct sockaddr *ap_addr, char *extra)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+               ap_addr->sa_family = ARPHRD_ETHER;
+               memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+               return 0;
+       }
+
+       return -EOPNOTSUPP;
+}
+
+
+static int ieee80211_ioctl_siwscan(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct iw_point *data, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       u8 *ssid = NULL;
+       size_t ssid_len = 0;
+
+       if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+               ssid = local->conf.ssid;
+               ssid_len = local->conf.ssid_len;
+       }
+       return ieee80211_sta_req_scan(dev, ssid, ssid_len);
+}
+
+
+static int ieee80211_ioctl_giwscan(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct iw_point *data, char *extra)
+{
+       int res;
+       struct ieee80211_local *local = dev->priv;
+       if (local->sta_scanning)
+               return -EAGAIN;
+       res = ieee80211_sta_scan_results(dev, extra, IW_SCAN_MAX_DATA);
+       if (res >= 0) {
+               data->length = res;
+               return 0;
+       }
+       data->length = 0;
+       return res;
+}
+
+
+static int ieee80211_ioctl_siwrts(struct net_device *dev,
+                                 struct iw_request_info *info,
+                                 struct iw_param *rts, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       if (rts->disabled)
+               local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
+       else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
+               return -EINVAL;
+       else
+               local->rts_threshold = rts->value;
+
+       /* If the wlan card performs RTS/CTS in hardware/firmware,
+        * configure it here */
+
+       if (local->hw->set_rts_threshold) {
+               local->hw->set_rts_threshold(dev, local->rts_threshold);
+       }
+        
+       return 0;
+}
+
+static int ieee80211_ioctl_giwrts(struct net_device *dev,
+                                 struct iw_request_info *info,
+                                 struct iw_param *rts, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       rts->value = local->rts_threshold;
+       rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
+       rts->fixed = 1;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_siwfrag(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct iw_param *frag, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       if (frag->disabled)
+               local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+       else if (frag->value < 256 ||
+                frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
+               return -EINVAL;
+       else {
+               /* Fragment length must be even, so strip LSB. */
+               local->fragmentation_threshold = frag->value & ~0x1;
+       }
+
+       /* If the wlan card performs fragmentation in hardware/firmware,
+        * configure it here */
+
+       if (local->hw->set_frag_threshold) {
+               local->hw->set_frag_threshold(
+                       dev, local->fragmentation_threshold);
+       }
+        
+       return 0;
+}
+
+static int ieee80211_ioctl_giwfrag(struct net_device *dev,
+                                  struct iw_request_info *info,
+                                  struct iw_param *frag, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       frag->value = local->fragmentation_threshold;
+       frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
+       frag->fixed = 1;
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_siwretry(struct net_device *dev,
+                                   struct iw_request_info *info,
+                                   struct iw_param *retry, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       if (retry->disabled ||
+           (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
+               return -EINVAL;
+
+       if (retry->flags & IW_RETRY_MAX)
+               local->long_retry_limit = retry->value;
+       else if (retry->flags & IW_RETRY_MIN)
+               local->short_retry_limit = retry->value;
+       else {
+               local->long_retry_limit = retry->value;
+               local->short_retry_limit = retry->value;
+       }
+
+       if (local->hw->set_retry_limit) {
+               return local->hw->set_retry_limit(
+                       dev, local->short_retry_limit,
+                       local->long_retry_limit);
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_giwretry(struct net_device *dev,
+                                   struct iw_request_info *info,
+                                   struct iw_param *retry, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+
+       retry->disabled = 0;
+       if ((retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
+               return -EINVAL;
+       if (retry->flags & IW_RETRY_MAX) {
+               retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
+               retry->value = local->long_retry_limit;
+       } else {
+               retry->flags = IW_RETRY_LIMIT;
+               retry->value = local->short_retry_limit;
+               if (local->long_retry_limit != local->short_retry_limit)
+                       retry->flags |= IW_RETRY_MIN;
+       }
+
+       return 0;
+}
+
+
+static void ieee80211_ioctl_unmask_channels(struct ieee80211_local *local)
+{
+       int m, c;
+
+       for (m = 0; m < local->hw->num_modes; m++) {
+               struct ieee80211_hw_modes *mode = &local->hw->modes[m];
+               for (c = 0; c < mode->num_channels; c++) {
+                       struct ieee80211_channel *chan = &mode->channels[c];
+                       chan->flag |= IEEE80211_CHAN_W_SCAN;
+               }
+       }
+}
+
+
+static int ieee80211_ioctl_test_mode(struct net_device *dev, int mode)
+{
+       struct ieee80211_local *local = dev->priv;
+       int ret = -EOPNOTSUPP;
+
+       if (mode == IEEE80211_TEST_UNMASK_CHANNELS) {
+               ieee80211_ioctl_unmask_channels(local);
+               ret = 0;
+       }
+
+       if (local->hw->test_mode)
+               ret = local->hw->test_mode(dev, mode);
+
+       return ret;
+}
+
+
+static int ieee80211_ioctl_clear_keys(struct net_device *dev)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_key_conf key;
+       struct list_head *ptr;
+       int i;
+       u8 addr[ETH_ALEN];
+       struct ieee80211_key_conf *keyconf;
+
+       memset(addr, 0xff, ETH_ALEN);
+       list_for_each(ptr, &local->sub_if_list) {
+               struct ieee80211_sub_if_data *sdata =
+                       list_entry(ptr, struct ieee80211_sub_if_data, list);
+               for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+                       keyconf = NULL;
+                       if (sdata->keys[i] &&
+                           !sdata->keys[i]->force_sw_encrypt &&
+                           local->hw->set_key &&
+                           (keyconf = ieee80211_key_data2conf(local,
+                                                              sdata->keys[i]))
+                           != NULL)
+                               local->hw->set_key(dev, DISABLE_KEY, addr,
+                                                  keyconf, 0);
+                       kfree(keyconf);
+                       kfree(sdata->keys[i]);
+                       sdata->keys[i] = NULL;
+               }
+               sdata->default_key = NULL;
+       }
+
+       spin_lock_bh(&local->sta_lock);
+       list_for_each(ptr, &local->sta_list) {
+               struct sta_info *sta =
+                       list_entry(ptr, struct sta_info, list);
+               keyconf = NULL;
+               if (sta->key && !sta->key->force_sw_encrypt &&
+                   local->hw->set_key &&
+                   (keyconf = ieee80211_key_data2conf(local, sta->key))
+                   != NULL)
+                       local->hw->set_key(dev, DISABLE_KEY, sta->addr,
+                                          keyconf, sta->aid);
+               kfree(keyconf);
+               kfree(sta->key);
+               sta->key = NULL;
+       }
+       spin_unlock_bh(&local->sta_lock);
+
+
+       memset(&key, 0, sizeof(key));
+       if (local->hw->set_key &&
+                   local->hw->set_key(dev, REMOVE_ALL_KEYS, NULL,
+                                      &key, 0))
+               printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n",
+                      dev->name);
+
+       return 0;
+}
+
+
+static int
+ieee80211_ioctl_force_unicast_rate(struct net_device *dev,
+                                  struct ieee80211_sub_if_data *sdata,
+                                  int rate)
+{
+       struct ieee80211_local *local = dev->priv;
+       int i;
+
+       if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
+               return -ENOENT;
+
+       if (rate == 0) {
+               sdata->u.norm.force_unicast_rateidx = -1;
+               return 0;
+       }
+
+       for (i = 0; i < local->num_curr_rates; i++) {
+               if (local->curr_rates[i].rate == rate) {
+                       sdata->u.norm.force_unicast_rateidx = i;
+                       return 0;
+               }
+       }
+       return -EINVAL;
+}
+
+
+static int
+ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev,
+                                 struct ieee80211_sub_if_data *sdata,
+                                 int rate)
+{
+       struct ieee80211_local *local = dev->priv;
+       int i;
+
+       if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
+               return -ENOENT;
+
+       if (rate == 0) {
+               sdata->u.norm.max_ratectrl_rateidx = -1;
+               return 0;
+       }
+
+       for (i = 0; i < local->num_curr_rates; i++) {
+               if (local->curr_rates[i].rate == rate) {
+                       sdata->u.norm.max_ratectrl_rateidx = i;
+                       return 0;
+               }
+       }
+       return -EINVAL;
+}
+
+
+static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local,
+                                        struct ieee80211_key *key)
+{
+       struct ieee80211_key_conf *keyconf;
+       u8 addr[ETH_ALEN];
+
+       if (key == NULL || key->alg != ALG_WEP || !key->force_sw_encrypt ||
+           local->hw->device_hides_wep)
+               return;
+
+       memset(addr, 0xff, ETH_ALEN);
+       keyconf = ieee80211_key_data2conf(local, key);
+       if (keyconf && local->hw->set_key &&
+           local->hw->set_key(local->mdev, SET_KEY, addr, keyconf, 0) == 0) {
+               key->force_sw_encrypt = keyconf->force_sw_encrypt;
+               key->hw_key_idx = keyconf->hw_key_idx;
+       }
+       kfree(keyconf);
+}
+
+
+static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local,
+                                         struct ieee80211_key *key)
+{
+       struct ieee80211_key_conf *keyconf;
+       u8 addr[ETH_ALEN];
+
+       if (key == NULL || key->alg != ALG_WEP || key->force_sw_encrypt ||
+           local->hw->device_hides_wep)
+               return;
+
+       memset(addr, 0xff, ETH_ALEN);
+       keyconf = ieee80211_key_data2conf(local, key);
+       if (keyconf && local->hw->set_key)
+               local->hw->set_key(local->mdev, DISABLE_KEY, addr, keyconf, 0);
+       kfree(keyconf);
+       key->force_sw_encrypt = 1;
+}
+
+
+static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local,
+                                           int value)
+{
+       int i;
+       struct list_head *ptr;
+
+       local->default_wep_only = value;
+       list_for_each(ptr, &local->sub_if_list) {
+               struct ieee80211_sub_if_data *sdata =
+                       list_entry(ptr, struct ieee80211_sub_if_data, list);
+               for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+                       if (value) {
+                               ieee80211_key_enable_hwaccel(local,
+                                                            sdata->keys[i]);
+                       } else {
+                               ieee80211_key_disable_hwaccel(local,
+                                                             sdata->keys[i]);
+                       }
+               }
+       }
+
+       return 0;
+}
+
+
+static int ieee80211_ioctl_prism2_param(struct net_device *dev,
+                                       struct iw_request_info *info,
+                                       void *wrqu, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_sub_if_data *sdata;
+       int *i = (int *) extra;
+       int param = *i;
+       int value = *(i + 1);
+       int ret = 0;
+
+       if (!capable(CAP_NET_ADMIN))
+               return -EPERM;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       switch (param) {
+       case PRISM2_PARAM_HOST_ENCRYPT:
+       case PRISM2_PARAM_HOST_DECRYPT:
+               /* TODO: implement these; return success now to prevent
+                * hostapd from aborting */
+               break;
+
+       case PRISM2_PARAM_BEACON_INT:
+               local->conf.beacon_int = value;
+               if (ieee80211_hw_config(dev))
+                       ret = -EINVAL;
+               break;
+
+       case PRISM2_PARAM_AP_BRIDGE_PACKETS:
+               local->bridge_packets = value;
+               break;
+
+       case PRISM2_PARAM_AP_AUTH_ALGS:
+               if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+                       sdata->u.sta.auth_algs = value;
+               } else
+                       ret = -EOPNOTSUPP;
+               break;
+
+       case PRISM2_PARAM_DTIM_PERIOD:
+               if (value < 1)
+                       ret = -EINVAL;
+               else if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
+                       ret = -ENOENT;
+               else
+                       sdata->u.norm.dtim_period = value;
+               break;
+
+       case PRISM2_PARAM_IEEE_802_1X:
+               sdata->ieee802_1x = value;
+               if (local->hw->set_ieee8021x &&
+                   local->hw->set_ieee8021x(dev, value))
+                       printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
+                              "for low-level driver\n", dev->name, value);
+               break;
+
+       case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
+               local->cts_protect_erp_frames = value;
+               break;
+
+       case PRISM2_PARAM_DROP_UNENCRYPTED:
+               sdata->drop_unencrypted = value;
+               break;
+
+       case PRISM2_PARAM_PREAMBLE:
+               local->short_preamble = value;
+               break;
+
+       case PRISM2_PARAM_RATE_LIMIT_BURST:
+               local->rate_limit_burst = value;
+                local->rate_limit_bucket = value;
+               break;
+
+       case PRISM2_PARAM_RATE_LIMIT:
+               /* number of packets (tokens) allowed per second */
+               if (!local->rate_limit && value) {
+                        if (!local->rate_limit_burst) local->rate_limit_burst =
+                               value;
+                        local->rate_limit_bucket = local->rate_limit_burst;
+                       local->rate_limit_timer.expires = jiffies + HZ;
+                       add_timer(&local->rate_limit_timer);
+               } else if (local->rate_limit && !value) {
+                       del_timer_sync(&local->rate_limit_timer);
+               }
+               local->rate_limit = value;
+               break;
+
+        case PRISM2_PARAM_STAT_TIME:
+                if (!local->stat_time && value) {
+                        local->stat_timer.expires = jiffies + HZ * value / 100;
+                        add_timer(&local->stat_timer);
+                } else if (local->stat_time && !value) {
+                        del_timer_sync(&local->stat_timer);
+                }
+                local->stat_time = value;
+                break;
+       case PRISM2_PARAM_SHORT_SLOT_TIME:
+               local->conf.short_slot_time = value;
+               if (ieee80211_hw_config(dev))
+                       ret = -EINVAL;
+               break;
+
+        case PRISM2_PARAM_PRIVACY_INVOKED:
+               if (local->hw->set_privacy_invoked)
+                       ret = local->hw->set_privacy_invoked(dev, value);
+               break;
+
+       case PRISM2_PARAM_TEST_MODE:
+               ret = ieee80211_ioctl_test_mode(dev, value);
+               break;
+
+       case PRISM2_PARAM_NEXT_MODE:
+               local->next_mode = value;
+               break;
+
+       case PRISM2_PARAM_CLEAR_KEYS:
+               ret = ieee80211_ioctl_clear_keys(dev);
+               break;
+
+       case PRISM2_PARAM_ADM_STATUS:
+                ret = ieee80211_ioctl_set_adm_status(dev, value);
+               break;
+
+       case PRISM2_PARAM_ANTENNA_SEL:
+               local->conf.antenna_sel = value;
+               if (ieee80211_hw_config(dev))
+                       ret = -EINVAL;
+               break;
+
+       case PRISM2_PARAM_CALIB_INT:
+               local->conf.calib_int = value;
+               if (ieee80211_hw_config(dev))
+                       ret = -EINVAL;
+               break;
+
+       case PRISM2_PARAM_ANTENNA_MODE:
+               local->conf.antenna_mode = value;
+               if (ieee80211_hw_config(dev))
+                       ret = -EINVAL;
+               break;
+
+       case PRISM2_PARAM_BROADCAST_SSID:
+               if ((value < 0) || (value > 1))
+                       ret = -EINVAL;
+               else
+                       local->conf.ssid_hidden = value;
+               break;
+
+       case PRISM2_PARAM_STA_ANTENNA_SEL:
+               local->sta_antenna_sel = value;
+               break;
+
+       case PRISM2_PARAM_FORCE_UNICAST_RATE:
+               ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value);
+               break;
+
+       case PRISM2_PARAM_MAX_RATECTRL_RATE:
+               ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value);
+               break;
+
+       case PRISM2_PARAM_RATE_CTRL_NUM_UP:
+               local->rate_ctrl_num_up = value;
+               break;
+
+       case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
+               local->rate_ctrl_num_down = value;
+               break;
+
+       case PRISM2_PARAM_TX_POWER_REDUCTION:
+               if (value < 0)
+                       ret = -EINVAL;
+               else
+                       local->conf.tx_power_reduction = value;
+               break;
+
+       case PRISM2_PARAM_EAPOL:
+               sdata->eapol = value;
+               break;
+
+       case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+               local->key_tx_rx_threshold = value;
+               break;
+
+       case PRISM2_PARAM_KEY_INDEX:
+               if (value < 0 || value >= NUM_DEFAULT_KEYS)
+                       ret = -EINVAL;
+               else if (sdata->keys[value] == NULL)
+                       ret = -ENOENT;
+               else
+                       sdata->default_key = sdata->keys[value];
+               break;
+
+       case PRISM2_PARAM_DEFAULT_WEP_ONLY:
+               ret = ieee80211_ioctl_default_wep_only(local, value);
+               break;
+
+       case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
+               local->wifi_wme_noack_test = value;
+               break;
+
+
+
+       case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS:
+               local->allow_broadcast_always = value;
+               break;
+
+       case PRISM2_PARAM_SCAN_FLAGS:
+               local->scan_flags = value;
+               break;
+
+       case PRISM2_PARAM_MIXED_CELL:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       sdata->u.sta.mixed_cell = !!value;
+               break;
+
+       case PRISM2_PARAM_KEY_MGMT:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       sdata->u.sta.key_mgmt = value;
+               break;
+
+       case PRISM2_PARAM_HW_MODES:
+               local->hw_modes = value;
+               break;
+
+       case PRISM2_PARAM_CREATE_IBSS:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       sdata->u.sta.create_ibss = !!value;
+               break;
+       case PRISM2_PARAM_WMM_ENABLED:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       sdata->u.sta.wmm_enabled = !!value;
+               break;
+       case PRISM2_PARAM_RADAR_DETECT:
+               local->conf.radar_detect = value;
+               break;
+       case PRISM2_PARAM_SPECTRUM_MGMT:
+               local->conf.spect_mgmt = value;
+               break;
+       default:
+               ret = -EOPNOTSUPP;
+               break;
+       }
+
+       return ret;
+}
+
+
+static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
+                                           struct iw_request_info *info,
+                                           void *wrqu, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       struct ieee80211_sub_if_data *sdata;
+       int *param = (int *) extra;
+       int ret = 0;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       switch (*param) {
+       case PRISM2_PARAM_BEACON_INT:
+               *param = local->conf.beacon_int;
+               break;
+
+       case PRISM2_PARAM_AP_BRIDGE_PACKETS:
+               *param = local->bridge_packets;
+               break;
+
+       case PRISM2_PARAM_AP_AUTH_ALGS:
+               if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
+                       *param = sdata->u.sta.auth_algs;
+               } else
+                       ret = -EOPNOTSUPP;
+               break;
+
+       case PRISM2_PARAM_DTIM_PERIOD:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
+                       ret = -ENOENT;
+               else
+                       *param = sdata->u.norm.dtim_period;
+               break;
+
+       case PRISM2_PARAM_IEEE_802_1X:
+               *param = sdata->ieee802_1x;
+               break;
+
+       case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
+               *param = local->cts_protect_erp_frames;
+               break;
+
+       case PRISM2_PARAM_DROP_UNENCRYPTED:
+               *param = sdata->drop_unencrypted;
+               break;
+
+       case PRISM2_PARAM_PREAMBLE:
+               *param = local->short_preamble;
+               break;
+
+       case PRISM2_PARAM_RATE_LIMIT_BURST:
+               *param = local->rate_limit_burst;
+               break;
+
+       case PRISM2_PARAM_RATE_LIMIT:
+               *param = local->rate_limit;
+               break;
+
+        case PRISM2_PARAM_STAT_TIME:
+                *param = local->stat_time;
+                break;
+       case PRISM2_PARAM_SHORT_SLOT_TIME:
+               *param = local->conf.short_slot_time;
+               break;
+
+       case PRISM2_PARAM_NEXT_MODE:
+               *param = local->next_mode;
+               break;
+
+       case PRISM2_PARAM_ANTENNA_SEL:
+               *param = local->conf.antenna_sel;
+               break;
+
+       case PRISM2_PARAM_CALIB_INT:
+               *param = local->conf.calib_int;
+               break;
+
+       case PRISM2_PARAM_ANTENNA_MODE:
+               *param = local->conf.antenna_mode;
+               break;
+
+       case PRISM2_PARAM_BROADCAST_SSID:
+               *param = local->conf.ssid_hidden;
+               break;
+
+       case PRISM2_PARAM_STA_ANTENNA_SEL:
+               *param = local->sta_antenna_sel;
+               break;
+
+       case PRISM2_PARAM_RATE_CTRL_NUM_UP:
+               *param = local->rate_ctrl_num_up;
+               break;
+
+       case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
+               *param = local->rate_ctrl_num_down;
+               break;
+
+       case PRISM2_PARAM_TX_POWER_REDUCTION:
+               *param = local->conf.tx_power_reduction;
+               break;
+
+       case PRISM2_PARAM_EAPOL:
+               *param = sdata->eapol;
+               break;
+
+       case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+               *param = local->key_tx_rx_threshold;
+               break;
+
+       case PRISM2_PARAM_KEY_INDEX:
+               if (sdata->default_key == NULL)
+                       ret = -ENOENT;
+               else if (sdata->default_key == sdata->keys[0])
+                       *param = 0;
+               else if (sdata->default_key == sdata->keys[1])
+                       *param = 1;
+               else if (sdata->default_key == sdata->keys[2])
+                       *param = 2;
+               else if (sdata->default_key == sdata->keys[3])
+                       *param = 3;
+               else
+                       ret = -ENOENT;
+               break;
+
+       case PRISM2_PARAM_DEFAULT_WEP_ONLY:
+               *param = local->default_wep_only;
+               break;
+
+       case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
+               *param = local->wifi_wme_noack_test;
+               break;
+
+
+
+       case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS:
+               *param = local->allow_broadcast_always;
+               break;
+
+       case PRISM2_PARAM_SCAN_FLAGS:
+               *param = local->scan_flags;
+               break;
+
+       case PRISM2_PARAM_HW_MODES:
+               *param = local->hw_modes;
+               break;
+
+       case PRISM2_PARAM_CREATE_IBSS:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       *param = !!sdata->u.sta.create_ibss;
+               break;
+
+       case PRISM2_PARAM_MIXED_CELL:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       *param = !!sdata->u.sta.mixed_cell;
+               break;
+
+       case PRISM2_PARAM_KEY_MGMT:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       *param = sdata->u.sta.key_mgmt;
+               break;
+       case PRISM2_PARAM_WMM_ENABLED:
+               if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
+                       ret = -EINVAL;
+               else
+                       *param = !!sdata->u.sta.wmm_enabled;
+               break;
+
+       default:
+               ret = -EOPNOTSUPP;
+               break;
+       }
+
+       return ret;
+}
+
+
+static int ieee80211_ioctl_test_param(struct net_device *dev,
+                                     struct iw_request_info *info,
+                                     void *wrqu, char *extra)
+{
+       struct ieee80211_local *local = dev->priv;
+       int *i = (int *) extra;
+       int param = *i;
+       int value = *(i + 1);
+
+       if (!capable(CAP_NET_ADMIN))
+               return -EPERM;
+
+       if (local->hw->test_param)
+               return local->hw->test_param(local->mdev, param, value);
+
+       return -EOPNOTSUPP;
+}
+
+
+static const struct iw_priv_args ieee80211_ioctl_priv[] = {
+       { PRISM2_IOCTL_PRISM2_PARAM,
+         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
+       { PRISM2_IOCTL_GET_PRISM2_PARAM,
+         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
+       { PRISM2_IOCTL_TEST_PARAM,
+         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "test_param" },
+};
+
+
+static int ieee80211_ioctl_giwpriv(struct net_device *dev,
+                                  struct iw_point *data)
+{
+
+       if (!data->pointer ||
+           !access_ok(VERIFY_WRITE, data->pointer,
+                       sizeof(ieee80211_ioctl_priv)))
+               return -EINVAL;
+
+       data->length = sizeof(ieee80211_ioctl_priv) /
+               sizeof(ieee80211_ioctl_priv[0]);
+       if (copy_to_user(data->pointer, ieee80211_ioctl_priv,
+                        sizeof(ieee80211_ioctl_priv)))
+               return -EINVAL;
+       return 0;
+}
+
+
+int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+       struct iwreq *wrq = (struct iwreq *) rq;
+       int ret = 0;
+       char ssid[IW_ESSID_MAX_SIZE + 1];
+
+       switch (cmd) {
+       case SIOCGIWNAME:
+               ret = ieee80211_ioctl_giwname(dev, NULL, (char *) &wrq->u,
+                                             NULL);
+               break;
+       case SIOCSIWESSID:
+               if (!wrq->u.essid.pointer)
+                       ret = -EINVAL;
+               else if (wrq->u.essid.length > IW_ESSID_MAX_SIZE)
+                       ret = -E2BIG;
+               else {
+                       if (copy_from_user(ssid, wrq->u.essid.pointer,
+                                          wrq->u.essid.length)) {
+                               ret = -EFAULT;
+                               break;
+                       }
+                       ret = ieee80211_ioctl_siwessid(dev, NULL,
+                                                      &wrq->u.essid, ssid);
+               }
+               break;
+       case SIOCGIWESSID:
+               if (!wrq->u.essid.pointer) {
+                       ret = -EINVAL;
+               } else {
+                       memset(ssid, 0, IW_ESSID_MAX_SIZE + 1);
+                       ret = ieee80211_ioctl_giwessid(dev, NULL,
+                                                      &wrq->u.essid, ssid);
+                       if (copy_to_user(wrq->u.essid.pointer, ssid,
+                                        wrq->u.essid.length)) {
+                               ret = -EFAULT;
+                               break;
+                       }
+               }
+               break;
+
+       case SIOCGIWRANGE:
+       {
+               struct iw_range range;
+               if (!access_ok(VERIFY_WRITE, wrq->u.data.pointer,
+                                 sizeof(range))) {
+                       ret = -EFAULT;
+                       break;
+               }
+               ret = ieee80211_ioctl_giwrange(dev, NULL, &wrq->u.data,
+                                              (char *) &range);
+               if (ret)
+                       break;
+               if (copy_to_user(wrq->u.data.pointer, &range, sizeof(range)))
+                       ret = -EFAULT;
+               break;
+       }
+
+       case SIOCSIWAP:
+               ret = ieee80211_ioctl_siwap(dev, NULL, &wrq->u.ap_addr, NULL);
+               break;
+       case SIOCGIWAP:
+               ret = ieee80211_ioctl_giwap(dev, NULL, &wrq->u.ap_addr, NULL);
+               break;
+       case SIOCSIWSCAN:
+               ret = ieee80211_ioctl_siwscan(dev, NULL, &wrq->u.data, NULL);
+               break;
+       case SIOCGIWSCAN:
+       {
+               char *buf = kmalloc(IW_SCAN_MAX_DATA, GFP_KERNEL);
+               if (buf == NULL) {
+                       ret = -ENOMEM;
+                       break;
+               }
+               ret = ieee80211_ioctl_giwscan(dev, NULL, &wrq->u.data, buf);
+               if (ret == 0 &&
+                   copy_to_user(wrq->u.data.pointer, buf, wrq->u.data.length))
+                       ret = -EFAULT;
+               kfree(buf);
+               break;
+       }
+
+       case SIOCSIWFREQ:
+               ret = ieee80211_ioctl_siwfreq(dev, NULL, &wrq->u.freq, NULL);
+               break;
+       case SIOCGIWFREQ:
+               ret = ieee80211_ioctl_giwfreq(dev, NULL, &wrq->u.freq, NULL);
+               break;
+       case SIOCSIWMODE:
+               ret = ieee80211_ioctl_siwmode(dev, NULL, &wrq->u.mode, NULL);
+               break;
+       case SIOCGIWMODE:
+               ret = ieee80211_ioctl_giwmode(dev, NULL, &wrq->u.mode, NULL);
+               break;
+
+       case SIOCSIWRTS:
+               ret = ieee80211_ioctl_siwrts(dev, NULL, &wrq->u.rts, NULL);
+               break;
+       case SIOCGIWRTS:
+               ret = ieee80211_ioctl_giwrts(dev, NULL, &wrq->u.rts, NULL);
+               break;
+
+       case SIOCSIWFRAG:
+               ret = ieee80211_ioctl_siwfrag(dev, NULL, &wrq->u.frag, NULL);
+               break;
+       case SIOCGIWFRAG:
+               ret = ieee80211_ioctl_giwfrag(dev, NULL, &wrq->u.frag, NULL);
+               break;
+
+       case SIOCSIWRETRY:
+               ret = ieee80211_ioctl_siwretry(dev, NULL, &wrq->u.retry, NULL);
+               break;
+       case SIOCGIWRETRY:
+               ret = ieee80211_ioctl_giwretry(dev, NULL, &wrq->u.retry, NULL);
+               break;
+
+       case PRISM2_IOCTL_PRISM2_PARAM:
+               ret = ieee80211_ioctl_prism2_param(dev, NULL, &wrq->u,
+                                                  (char *) &wrq->u);
+               break;
+       case PRISM2_IOCTL_GET_PRISM2_PARAM:
+               ret = ieee80211_ioctl_get_prism2_param(dev, NULL, &wrq->u,
+                                                      (char *) &wrq->u);
+               break;
+       case PRISM2_IOCTL_TEST_PARAM:
+               ret = ieee80211_ioctl_test_param(dev, NULL, &wrq->u,
+                                                (char *) &wrq->u);
+               break;
+       case PRISM2_IOCTL_HOSTAPD:
+               if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
+               else ret = ieee80211_ioctl_priv_hostapd(dev, &wrq->u.data);
+               break;
+       case SIOCGIWPRIV:
+               ret = ieee80211_ioctl_giwpriv(dev, &wrq->u.data);
+               break;
+       default:
+               ret = -EOPNOTSUPP;
+               break;
+       }
+
+       return ret;
+}