[MAC80211]: Add mac80211 wireless stack.

Add mac80211, the IEEE 802.11 software MAC layer.

Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1806 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
new file mode 100644
index 00000000000..73909ec85f2
--- /dev/null
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -0,0 +1,1806 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, 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/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
+#include <asm/uaccess.h>
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "hostapd_ioctl.h"
+#include "ieee80211_rate.h"
+#include "wpa.h"
+#include "aes_ccm.h"
+
+static int ieee80211_regdom = 0x10; /* FCC */
+module_param(ieee80211_regdom, int, 0444);
+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_param(ieee80211_japan_5ghz, int, 0444);
+MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz");
+
+static void 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 = wdev_priv(dev->ieee80211_ptr);
+
+	/* 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->ops->set_key &&
+	    (keyconf = ieee80211_key_data2conf(local, key))) {
+		if (local->ops->set_key(local_to_hw(local), SET_KEY, addr,
+				       keyconf, sta ? sta->aid : 0)) {
+			key->force_sw_encrypt = 1;
+			key->hw_key_idx = HW_KEY_IDX_INVALID;
+		} else {
+			key->force_sw_encrypt =
+				!!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT);
+			key->hw_key_idx =
+				keyconf->hw_key_idx;
+
+		}
+	}
+	kfree(keyconf);
+}
+
+
+static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
+				    int idx, int alg, int set_tx_key,
+				    const u8 *_key, size_t key_len)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	int ret = 0;
+	struct sta_info *sta;
+	struct ieee80211_key *key, *old_key;
+	int try_hwaccel = 1;
+	struct ieee80211_key_conf *keyconf;
+	struct ieee80211_sub_if_data *sdata;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	if (is_broadcast_ether_addr(sta_addr)) {
+		sta = NULL;
+		if (idx >= NUM_DEFAULT_KEYS) {
+			printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
+			       dev->name, idx);
+			return -EINVAL;
+		}
+		key = sdata->keys[idx];
+
+		/* 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. */
+	} else {
+		set_tx_key = 0;
+		if (idx != 0) {
+			printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
+			       "individual key\n", dev->name);
+			return -EINVAL;
+		}
+
+		sta = sta_info_get(local, sta_addr);
+		if (!sta) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
+			       MAC_FMT "\n",
+			       dev->name, MAC_ARG(sta_addr));
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+			return -ENOENT;
+		}
+
+		key = sta->key;
+	}
+
+	/* 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 &&
+	    sdata->type != IEEE80211_IF_TYPE_IBSS &&
+	    sdata->type != IEEE80211_IF_TYPE_AP) {
+		try_hwaccel = 0;
+	}
+
+	if (local->hw.flags & IEEE80211_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.flags & IEEE80211_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_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_put(sta);
+				sta = NULL;
+			}
+		}
+	}
+
+	if (alg == ALG_NONE) {
+		keyconf = NULL;
+		if (try_hwaccel && key &&
+		    key->hw_key_idx != HW_KEY_IDX_INVALID &&
+		    local->ops->set_key &&
+		    (keyconf = ieee80211_key_data2conf(local, key)) != NULL &&
+		    local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+				       sta_addr, keyconf, sta ? sta->aid : 0)) {
+			printk(KERN_DEBUG "%s: set_encrypt - low-level disable"
+			       " failed\n", dev->name);
+			ret = -EINVAL;
+		}
+		kfree(keyconf);
+
+		if (set_tx_key || sdata->default_key == key)
+			sdata->default_key = NULL;
+		if (sta)
+			sta->key = NULL;
+		else
+			sdata->keys[idx] = NULL;
+		ieee80211_key_free(key);
+		key = NULL;
+	} else {
+		old_key = key;
+		key = ieee80211_key_alloc(sta ? NULL : sdata, idx, key_len,
+					  GFP_KERNEL);
+		if (!key) {
+			ret = -ENOMEM;
+			goto err_out;
+		}
+
+		/* 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 = idx;
+		key->keylen = key_len;
+		memcpy(key->key, _key, 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. */
+			key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(
+				key->key);
+			if (!key->u.ccmp.tfm) {
+				ret = -ENOMEM;
+				goto err_free;
+			}
+		}
+
+		if (set_tx_key || sdata->default_key == old_key)
+			sdata->default_key = NULL;
+		if (sta)
+			sta->key = key;
+		else
+			sdata->keys[idx] = key;
+		ieee80211_key_free(old_key);
+
+		if (try_hwaccel &&
+		    (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
+			ieee80211_set_hw_encryption(dev, sta, sta_addr, key);
+	}
+
+	if (set_tx_key || (!sta && !sdata->default_key && key)) {
+		sdata->default_key = key;
+
+		if (local->ops->set_key_idx &&
+		    local->ops->set_key_idx(local_to_hw(local), idx))
+			printk(KERN_DEBUG "%s: failed to set TX key idx for "
+			       "low-level driver\n", dev->name);
+	}
+
+	if (sta)
+		sta_info_put(sta);
+
+	return 0;
+
+err_free:
+	ieee80211_key_free(key);
+err_out:
+	if (sta)
+		sta_info_put(sta);
+	return ret;
+}
+
+static int ieee80211_ioctl_siwgenie(struct net_device *dev,
+				    struct iw_request_info *info,
+				    struct iw_point *data, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+	if (local->user_space_mlme)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	if (sdata->type == IEEE80211_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+		int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
+		if (ret)
+			return ret;
+		sdata->u.sta.auto_bssid_sel = 0;
+		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		return 0;
+	}
+
+	if (sdata->type == IEEE80211_IF_TYPE_AP) {
+		kfree(sdata->u.ap.generic_elem);
+		sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
+		if (!sdata->u.ap.generic_elem)
+			return -ENOMEM;
+		memcpy(sdata->u.ap.generic_elem, extra, data->length);
+		sdata->u.ap.generic_elem_len = data->length;
+		return ieee80211_if_config(dev);
+	}
+	return -EOPNOTSUPP;
+}
+
+static int ieee80211_ioctl_set_radio_enabled(struct net_device *dev,
+					     int val)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_conf *conf = &local->hw.conf;
+
+	conf->radio_enabled = val;
+	return ieee80211_hw_config(wdev_priv(dev->ieee80211_ptr));
+}
+
+static int ieee80211_ioctl_giwname(struct net_device *dev,
+				   struct iw_request_info *info,
+				   char *name, char *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+	switch (local->hw.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 ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	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 = 21;
+	range->retry_capa = IW_RETRY_LIMIT;
+	range->retry_flags = IW_RETRY_LIMIT;
+	range->min_retry = 0;
+	range->max_retry = 255;
+	range->min_rts = 0;
+	range->max_rts = 2347;
+	range->min_frag = 256;
+	range->max_frag = 2346;
+
+	range->encoding_size[0] = 5;
+	range->encoding_size[1] = 13;
+	range->num_encoding_sizes = 2;
+	range->max_encoding_tokens = NUM_DEFAULT_KEYS;
+
+	range->max_qual.qual = local->hw.max_signal;
+	range->max_qual.level = local->hw.max_rssi;
+	range->max_qual.noise = local->hw.max_noise;
+	range->max_qual.updated = local->wstats_flags;
+
+	range->avg_qual.qual = local->hw.max_signal/2;
+	range->avg_qual.level = 0;
+	range->avg_qual.noise = 0;
+	range->avg_qual.updated = local->wstats_flags;
+
+	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
+			  IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
+
+	IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
+	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
+	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
+	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
+
+	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 = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_hw_mode *mode;
+	int c;
+
+	list_for_each_entry(mode, &local->modes_list, list) {
+		for (c = 0; c < mode->num_channels; c++) {
+			ieee80211_unmask_channel(dev, mode->mode,
+						 &mode->channels[c]);
+		}
+	}
+	return 0;
+}
+
+
+int ieee80211_init_client(struct net_device *dev)
+{
+	if (ieee80211_regdom == 0x40)
+		channel_range = ieee80211_mkk_channels;
+	ieee80211_unmask_channels(dev);
+	return 0;
+}
+
+
+static int ieee80211_ioctl_siwmode(struct net_device *dev,
+				   struct iw_request_info *info,
+				   __u32 *mode, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	int type;
+
+	if (sdata->type == IEEE80211_IF_TYPE_VLAN)
+		return -EOPNOTSUPP;
+
+	switch (*mode) {
+	case IW_MODE_INFRA:
+		type = IEEE80211_IF_TYPE_STA;
+		break;
+	case IW_MODE_ADHOC:
+		type = IEEE80211_IF_TYPE_IBSS;
+		break;
+	case IW_MODE_MONITOR:
+		type = IEEE80211_IF_TYPE_MNTR;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (type == sdata->type)
+		return 0;
+	if (netif_running(dev))
+		return -EBUSY;
+
+	ieee80211_if_reinit(dev);
+	ieee80211_if_set_type(dev, type);
+
+	return 0;
+}
+
+
+static int ieee80211_ioctl_giwmode(struct net_device *dev,
+				   struct iw_request_info *info,
+				   __u32 *mode, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	switch (sdata->type) {
+	case IEEE80211_IF_TYPE_AP:
+		*mode = IW_MODE_MASTER;
+		break;
+	case IEEE80211_IF_TYPE_STA:
+		*mode = IW_MODE_INFRA;
+		break;
+	case IEEE80211_IF_TYPE_IBSS:
+		*mode = IW_MODE_ADHOC;
+		break;
+	case IEEE80211_IF_TYPE_MNTR:
+		*mode = IW_MODE_MONITOR;
+		break;
+	case IEEE80211_IF_TYPE_WDS:
+		*mode = IW_MODE_REPEAT;
+		break;
+	case IEEE80211_IF_TYPE_VLAN:
+		*mode = IW_MODE_SECOND;		/* FIXME */
+		break;
+	default:
+		*mode = IW_MODE_AUTO;
+		break;
+	}
+	return 0;
+}
+
+int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
+{
+	struct ieee80211_hw_mode *mode;
+	int c, set = 0;
+	int ret = -EINVAL;
+
+	list_for_each_entry(mode, &local->modes_list, list) {
+		if (!(local->enabled_modes & (1 << mode->mode)))
+			continue;
+		for (c = 0; c < mode->num_channels; c++) {
+			struct ieee80211_channel *chan = &mode->channels[c];
+			if (chan->flag & IEEE80211_CHAN_W_SCAN &&
+			    ((chan->chan == channel) || (chan->freq == freq))) {
+				/* Use next_mode as the mode preference to
+				 * resolve non-unique channel numbers. */
+				if (set && mode->mode != local->next_mode)
+					continue;
+
+				local->oper_channel = chan;
+				local->oper_hw_mode = mode;
+				set++;
+			}
+		}
+	}
+
+	if (set) {
+		if (local->sta_scanning)
+			ret = 0;
+		else
+			ret = ieee80211_hw_config(local);
+
+		rate_control_clear(local);
+	}
+
+	return ret;
+}
+
+static int ieee80211_ioctl_siwfreq(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct iw_freq *freq, char *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	if (sdata->type == IEEE80211_IF_TYPE_STA)
+		sdata->u.sta.auto_channel_sel = 0;
+
+	/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
+	if (freq->e == 0) {
+		if (freq->m < 0) {
+			if (sdata->type == IEEE80211_IF_TYPE_STA)
+				sdata->u.sta.auto_channel_sel = 1;
+			return 0;
+		} else
+			return ieee80211_set_channel(local, freq->m, -1);
+	} else {
+		int i, div = 1000000;
+		for (i = 0; i < freq->e; i++)
+			div /= 10;
+		if (div > 0)
+			return ieee80211_set_channel(local, -1, freq->m / div);
+		else
+			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 = wdev_priv(dev->ieee80211_ptr);
+
+	/* 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->hw.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 = wdev_priv(dev->ieee80211_ptr);
+	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_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+		int ret;
+		if (local->user_space_mlme) {
+			if (len > IEEE80211_MAX_SSID_LEN)
+				return -EINVAL;
+			memcpy(sdata->u.sta.ssid, ssid, len);
+			sdata->u.sta.ssid_len = len;
+			return 0;
+		}
+		sdata->u.sta.auto_ssid_sel = !data->flags;
+		ret = ieee80211_sta_set_ssid(dev, ssid, len);
+		if (ret)
+			return ret;
+		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		return 0;
+	}
+
+	if (sdata->type == IEEE80211_IF_TYPE_AP) {
+		memcpy(sdata->u.ap.ssid, ssid, len);
+		memset(sdata->u.ap.ssid + len, 0,
+		       IEEE80211_MAX_SSID_LEN - len);
+		sdata->u.ap.ssid_len = len;
+		return ieee80211_if_config(dev);
+	}
+	return -EOPNOTSUPP;
+}
+
+
+static int ieee80211_ioctl_giwessid(struct net_device *dev,
+				    struct iw_request_info *info,
+				    struct iw_point *data, char *ssid)
+{
+	size_t len;
+
+	struct ieee80211_sub_if_data *sdata;
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	if (sdata->type == IEEE80211_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+		int res = ieee80211_sta_get_ssid(dev, ssid, &len);
+		if (res == 0) {
+			data->length = len;
+			data->flags = 1;
+		} else
+			data->flags = 0;
+		return res;
+	}
+
+	if (sdata->type == IEEE80211_IF_TYPE_AP) {
+		len = sdata->u.ap.ssid_len;
+		if (len > IW_ESSID_MAX_SIZE)
+			len = IW_ESSID_MAX_SIZE;
+		memcpy(ssid, sdata->u.ap.ssid, len);
+		data->length = len;
+		data->flags = 1;
+		return 0;
+	}
+	return -EOPNOTSUPP;
+}
+
+
+static int ieee80211_ioctl_siwap(struct net_device *dev,
+				 struct iw_request_info *info,
+				 struct sockaddr *ap_addr, char *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	if (sdata->type == IEEE80211_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+		int ret;
+		if (local->user_space_mlme) {
+			memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
+			       ETH_ALEN);
+			return 0;
+		}
+		if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) {
+			sdata->u.sta.auto_bssid_sel = 1;
+			sdata->u.sta.auto_channel_sel = 1;
+		} else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
+			sdata->u.sta.auto_bssid_sel = 1;
+		else
+			sdata->u.sta.auto_bssid_sel = 0;
+		ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
+		if (ret)
+			return ret;
+		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		return 0;
+	} else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
+		if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
+			   ETH_ALEN) == 0)
+			return 0;
+		return ieee80211_if_update_wds(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_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+		ap_addr->sa_family = ARPHRD_ETHER;
+		memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+		return 0;
+	} else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
+		ap_addr->sa_family = ARPHRD_ETHER;
+		memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, 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 = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	u8 *ssid = NULL;
+	size_t ssid_len = 0;
+
+	if (!netif_running(dev))
+		return -ENETDOWN;
+
+	if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+		if (sdata->type == IEEE80211_IF_TYPE_STA ||
+		    sdata->type == IEEE80211_IF_TYPE_IBSS) {
+			ssid = sdata->u.sta.ssid;
+			ssid_len = sdata->u.sta.ssid_len;
+		} else if (sdata->type == IEEE80211_IF_TYPE_AP) {
+			ssid = sdata->u.ap.ssid;
+			ssid_len = sdata->u.ap.ssid_len;
+		} else
+			return -EINVAL;
+	}
+	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 = wdev_priv(dev->ieee80211_ptr);
+	if (local->sta_scanning)
+		return -EAGAIN;
+	res = ieee80211_sta_scan_results(dev, extra, data->length);
+	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 = wdev_priv(dev->ieee80211_ptr);
+
+	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->ops->set_rts_threshold)
+		local->ops->set_rts_threshold(local_to_hw(local),
+					     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 = wdev_priv(dev->ieee80211_ptr);
+
+	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 = wdev_priv(dev->ieee80211_ptr);
+
+	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->ops->set_frag_threshold)
+		local->ops->set_frag_threshold(
+			local_to_hw(local),
+			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 = wdev_priv(dev->ieee80211_ptr);
+
+	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 = wdev_priv(dev->ieee80211_ptr);
+
+	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->ops->set_retry_limit) {
+		return local->ops->set_retry_limit(
+			local_to_hw(local),
+			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 = wdev_priv(dev->ieee80211_ptr);
+
+	retry->disabled = 0;
+	if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
+		/* first return min value, iwconfig will ask max value
+		 * later if needed */
+		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;
+	}
+	if (retry->flags & IW_RETRY_MAX) {
+		retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
+		retry->value = local->long_retry_limit;
+	}
+
+	return 0;
+}
+
+static int ieee80211_ioctl_clear_keys(struct net_device *dev)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_key_conf key;
+	int i;
+	u8 addr[ETH_ALEN];
+	struct ieee80211_key_conf *keyconf;
+	struct ieee80211_sub_if_data *sdata;
+	struct sta_info *sta;
+
+	memset(addr, 0xff, ETH_ALEN);
+	read_lock(&local->sub_if_lock);
+	list_for_each_entry(sdata, &local->sub_if_list, list) {
+		for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+			keyconf = NULL;
+			if (sdata->keys[i] &&
+			    !sdata->keys[i]->force_sw_encrypt &&
+			    local->ops->set_key &&
+			    (keyconf = ieee80211_key_data2conf(local,
+							       sdata->keys[i])))
+				local->ops->set_key(local_to_hw(local),
+						   DISABLE_KEY, addr,
+						   keyconf, 0);
+			kfree(keyconf);
+			ieee80211_key_free(sdata->keys[i]);
+			sdata->keys[i] = NULL;
+		}
+		sdata->default_key = NULL;
+	}
+	read_unlock(&local->sub_if_lock);
+
+	spin_lock_bh(&local->sta_lock);
+	list_for_each_entry(sta, &local->sta_list, list) {
+		keyconf = NULL;
+		if (sta->key && !sta->key->force_sw_encrypt &&
+		    local->ops->set_key &&
+		    (keyconf = ieee80211_key_data2conf(local, sta->key)))
+			local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+					   sta->addr, keyconf, sta->aid);
+		kfree(keyconf);
+		ieee80211_key_free(sta->key);
+		sta->key = NULL;
+	}
+	spin_unlock_bh(&local->sta_lock);
+
+	memset(&key, 0, sizeof(key));
+	if (local->ops->set_key &&
+		    local->ops->set_key(local_to_hw(local), 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 = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_hw_mode *mode;
+	int i;
+
+	if (sdata->type != IEEE80211_IF_TYPE_AP)
+		return -ENOENT;
+
+	if (rate == 0) {
+		sdata->u.ap.force_unicast_rateidx = -1;
+		return 0;
+	}
+
+	mode = local->oper_hw_mode;
+	for (i = 0; i < mode->num_rates; i++) {
+		if (mode->rates[i].rate == rate) {
+			sdata->u.ap.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 = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_hw_mode *mode;
+	int i;
+
+	if (sdata->type != IEEE80211_IF_TYPE_AP)
+		return -ENOENT;
+
+	if (rate == 0) {
+		sdata->u.ap.max_ratectrl_rateidx = -1;
+		return 0;
+	}
+
+	mode = local->oper_hw_mode;
+	for (i = 0; i < mode->num_rates; i++) {
+		if (mode->rates[i].rate == rate) {
+			sdata->u.ap.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 || key->alg != ALG_WEP || !key->force_sw_encrypt ||
+	    (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
+		return;
+
+	memset(addr, 0xff, ETH_ALEN);
+	keyconf = ieee80211_key_data2conf(local, key);
+	if (keyconf && local->ops->set_key &&
+	    local->ops->set_key(local_to_hw(local),
+			       SET_KEY, addr, keyconf, 0) == 0) {
+		key->force_sw_encrypt =
+			!!(keyconf->flags & IEEE80211_KEY_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 || key->alg != ALG_WEP || key->force_sw_encrypt ||
+	    (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
+		return;
+
+	memset(addr, 0xff, ETH_ALEN);
+	keyconf = ieee80211_key_data2conf(local, key);
+	if (keyconf && local->ops->set_key)
+		local->ops->set_key(local_to_hw(local), 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 ieee80211_sub_if_data *sdata;
+
+	local->default_wep_only = value;
+	read_lock(&local->sub_if_lock);
+	list_for_each_entry(sdata, &local->sub_if_list, 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]);
+	read_unlock(&local->sub_if_lock);
+
+	return 0;
+}
+
+
+void ieee80211_update_default_wep_only(struct ieee80211_local *local)
+{
+	int i = 0;
+	struct ieee80211_sub_if_data *sdata;
+
+	read_lock(&local->sub_if_lock);
+	list_for_each_entry(sdata, &local->sub_if_list, list) {
+
+		if (sdata->dev == local->mdev)
+			continue;
+
+		/* If there is an AP interface then depend on userspace to
+		   set default_wep_only correctly. */
+		if (sdata->type == IEEE80211_IF_TYPE_AP) {
+			read_unlock(&local->sub_if_lock);
+			return;
+		}
+
+		i++;
+	}
+
+	read_unlock(&local->sub_if_lock);
+
+	if (i <= 1)
+		ieee80211_ioctl_default_wep_only(local, 1);
+	else
+		ieee80211_ioctl_default_wep_only(local, 0);
+}
+
+
+static int ieee80211_ioctl_prism2_param(struct net_device *dev,
+					struct iw_request_info *info,
+					void *wrqu, char *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	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_IEEE_802_1X:
+		if (local->ops->set_ieee8021x)
+			ret = local->ops->set_ieee8021x(local_to_hw(local),
+							value);
+		if (ret)
+			printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
+			       "for low-level driver\n", dev->name, value);
+		else
+			sdata->ieee802_1x = value;
+		break;
+
+	case PRISM2_PARAM_ANTSEL_TX:
+		local->hw.conf.antenna_sel_tx = value;
+		if (ieee80211_hw_config(local))
+			ret = -EINVAL;
+		break;
+
+	case PRISM2_PARAM_ANTSEL_RX:
+		local->hw.conf.antenna_sel_rx = value;
+		if (ieee80211_hw_config(local))
+			ret = -EINVAL;
+		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_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:
+		if (value)
+			local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME;
+		else
+			local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME;
+		if (ieee80211_hw_config(local))
+			ret = -EINVAL;
+		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_RADIO_ENABLED:
+		ret = ieee80211_ioctl_set_radio_enabled(dev, value);
+		break;
+
+	case PRISM2_PARAM_ANTENNA_MODE:
+		local->hw.conf.antenna_mode = value;
+		if (ieee80211_hw_config(local))
+			ret = -EINVAL;
+		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->hw.conf.tx_power_reduction = value;
+		break;
+
+	case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+		local->key_tx_rx_threshold = 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_SCAN_FLAGS:
+		local->scan_flags = value;
+		break;
+
+	case PRISM2_PARAM_MIXED_CELL:
+		if (sdata->type != IEEE80211_IF_TYPE_STA &&
+		    sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			sdata->u.sta.mixed_cell = !!value;
+		break;
+
+	case PRISM2_PARAM_HW_MODES:
+		local->enabled_modes = value;
+		break;
+
+	case PRISM2_PARAM_CREATE_IBSS:
+		if (sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			sdata->u.sta.create_ibss = !!value;
+		break;
+	case PRISM2_PARAM_WMM_ENABLED:
+		if (sdata->type != IEEE80211_IF_TYPE_STA &&
+		    sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			sdata->u.sta.wmm_enabled = !!value;
+		break;
+	case PRISM2_PARAM_RADAR_DETECT:
+		local->hw.conf.radar_detect = value;
+		break;
+	case PRISM2_PARAM_SPECTRUM_MGMT:
+		local->hw.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 = wdev_priv(dev->ieee80211_ptr);
+	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_IEEE_802_1X:
+		*param = sdata->ieee802_1x;
+		break;
+
+	case PRISM2_PARAM_ANTSEL_TX:
+		*param = local->hw.conf.antenna_sel_tx;
+		break;
+
+	case PRISM2_PARAM_ANTSEL_RX:
+		*param = local->hw.conf.antenna_sel_rx;
+		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_STAT_TIME:
+		*param = local->stat_time;
+		break;
+	case PRISM2_PARAM_SHORT_SLOT_TIME:
+		*param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME);
+		break;
+
+	case PRISM2_PARAM_NEXT_MODE:
+		*param = local->next_mode;
+		break;
+
+	case PRISM2_PARAM_ANTENNA_MODE:
+		*param = local->hw.conf.antenna_mode;
+		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->hw.conf.tx_power_reduction;
+		break;
+
+	case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+		*param = local->key_tx_rx_threshold;
+		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_SCAN_FLAGS:
+		*param = local->scan_flags;
+		break;
+
+	case PRISM2_PARAM_HW_MODES:
+		*param = local->enabled_modes;
+		break;
+
+	case PRISM2_PARAM_CREATE_IBSS:
+		if (sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			*param = !!sdata->u.sta.create_ibss;
+		break;
+
+	case PRISM2_PARAM_MIXED_CELL:
+		if (sdata->type != IEEE80211_IF_TYPE_STA &&
+		    sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			*param = !!sdata->u.sta.mixed_cell;
+		break;
+	case PRISM2_PARAM_WMM_ENABLED:
+		if (sdata->type != IEEE80211_IF_TYPE_STA &&
+		    sdata->type != IEEE80211_IF_TYPE_IBSS)
+			ret = -EINVAL;
+		else
+			*param = !!sdata->u.sta.wmm_enabled;
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+
+	return ret;
+}
+
+static int ieee80211_ioctl_siwmlme(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct iw_point *data, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata;
+	struct iw_mlme *mlme = (struct iw_mlme *) extra;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	if (sdata->type != IEEE80211_IF_TYPE_STA &&
+	    sdata->type != IEEE80211_IF_TYPE_IBSS)
+		return -EINVAL;
+
+	switch (mlme->cmd) {
+	case IW_MLME_DEAUTH:
+		/* TODO: mlme->addr.sa_data */
+		return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
+	case IW_MLME_DISASSOC:
+		/* TODO: mlme->addr.sa_data */
+		return ieee80211_sta_disassociate(dev, mlme->reason_code);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+
+static int ieee80211_ioctl_siwencode(struct net_device *dev,
+				     struct iw_request_info *info,
+				     struct iw_point *erq, char *keybuf)
+{
+	struct ieee80211_sub_if_data *sdata;
+	int idx, i, alg = ALG_WEP;
+	u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	idx = erq->flags & IW_ENCODE_INDEX;
+	if (idx == 0) {
+		if (sdata->default_key)
+			for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+				if (sdata->default_key == sdata->keys[i]) {
+					idx = i;
+					break;
+				}
+			}
+	} else if (idx < 1 || idx > 4)
+		return -EINVAL;
+	else
+		idx--;
+
+	if (erq->flags & IW_ENCODE_DISABLED)
+		alg = ALG_NONE;
+	else if (erq->length == 0) {
+		/* No key data - just set the default TX key index */
+		if (sdata->default_key != sdata->keys[idx])
+			sdata->default_key = sdata->keys[idx];
+		return 0;
+	}
+
+	return ieee80211_set_encryption(
+		dev, bcaddr,
+		idx, alg,
+		!sdata->default_key,
+		keybuf, erq->length);
+}
+
+
+static int ieee80211_ioctl_giwencode(struct net_device *dev,
+				     struct iw_request_info *info,
+				     struct iw_point *erq, char *key)
+{
+	struct ieee80211_sub_if_data *sdata;
+	int idx, i;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	idx = erq->flags & IW_ENCODE_INDEX;
+	if (idx < 1 || idx > 4) {
+		idx = -1;
+		if (!sdata->default_key)
+			idx = 0;
+		else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+			if (sdata->default_key == sdata->keys[i]) {
+				idx = i;
+				break;
+			}
+		}
+		if (idx < 0)
+			return -EINVAL;
+	} else
+		idx--;
+
+	erq->flags = idx + 1;
+
+	if (!sdata->keys[idx]) {
+		erq->length = 0;
+		erq->flags |= IW_ENCODE_DISABLED;
+		return 0;
+	}
+
+	memcpy(key, sdata->keys[idx]->key,
+	       min((int)erq->length, sdata->keys[idx]->keylen));
+	erq->length = sdata->keys[idx]->keylen;
+	erq->flags |= IW_ENCODE_ENABLED;
+
+	return 0;
+}
+
+static int ieee80211_ioctl_siwauth(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct iw_param *data, char *extra)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	int ret = 0;
+
+	switch (data->flags & IW_AUTH_INDEX) {
+	case IW_AUTH_WPA_VERSION:
+	case IW_AUTH_CIPHER_PAIRWISE:
+	case IW_AUTH_CIPHER_GROUP:
+	case IW_AUTH_WPA_ENABLED:
+	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
+		break;
+	case IW_AUTH_KEY_MGMT:
+		if (sdata->type != IEEE80211_IF_TYPE_STA)
+			ret = -EINVAL;
+		else {
+			/*
+			 * TODO: sdata->u.sta.key_mgmt does not match with WE18
+			 * value completely; could consider modifying this to
+			 * be closer to WE18. For now, this value is not really
+			 * used for anything else than Privacy matching, so the
+			 * current code here should be more or less OK.
+			 */
+			if (data->value & IW_AUTH_KEY_MGMT_802_1X) {
+				sdata->u.sta.key_mgmt =
+					IEEE80211_KEY_MGMT_WPA_EAP;
+			} else if (data->value & IW_AUTH_KEY_MGMT_PSK) {
+				sdata->u.sta.key_mgmt =
+					IEEE80211_KEY_MGMT_WPA_PSK;
+			} else {
+				sdata->u.sta.key_mgmt =
+					IEEE80211_KEY_MGMT_NONE;
+			}
+		}
+		break;
+	case IW_AUTH_80211_AUTH_ALG:
+		if (sdata->type == IEEE80211_IF_TYPE_STA ||
+		    sdata->type == IEEE80211_IF_TYPE_IBSS)
+			sdata->u.sta.auth_algs = data->value;
+		else
+			ret = -EOPNOTSUPP;
+		break;
+	case IW_AUTH_PRIVACY_INVOKED:
+		if (local->ops->set_privacy_invoked)
+			ret = local->ops->set_privacy_invoked(
+					local_to_hw(local), data->value);
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+	return ret;
+}
+
+/* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
+static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct iw_statistics *wstats = &local->wstats;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct sta_info *sta = NULL;
+
+	if (sdata->type == IEEE80211_IF_TYPE_STA ||
+	    sdata->type == IEEE80211_IF_TYPE_IBSS)
+		sta = sta_info_get(local, sdata->u.sta.bssid);
+	if (!sta) {
+		wstats->discard.fragment = 0;
+		wstats->discard.misc = 0;
+		wstats->qual.qual = 0;
+		wstats->qual.level = 0;
+		wstats->qual.noise = 0;
+		wstats->qual.updated = IW_QUAL_ALL_INVALID;
+	} else {
+		wstats->qual.level = sta->last_rssi;
+		wstats->qual.qual = sta->last_signal;
+		wstats->qual.noise = sta->last_noise;
+		wstats->qual.updated = local->wstats_flags;
+		sta_info_put(sta);
+	}
+	return wstats;
+}
+
+static int ieee80211_ioctl_giwauth(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct iw_param *data, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	int ret = 0;
+
+	switch (data->flags & IW_AUTH_INDEX) {
+	case IW_AUTH_80211_AUTH_ALG:
+		if (sdata->type == IEEE80211_IF_TYPE_STA ||
+		    sdata->type == IEEE80211_IF_TYPE_IBSS)
+			data->value = sdata->u.sta.auth_algs;
+		else
+			ret = -EOPNOTSUPP;
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+	return ret;
+}
+
+
+static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
+					struct iw_request_info *info,
+					struct iw_point *erq, char *extra)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
+	int alg, idx, i;
+
+	switch (ext->alg) {
+	case IW_ENCODE_ALG_NONE:
+		alg = ALG_NONE;
+		break;
+	case IW_ENCODE_ALG_WEP:
+		alg = ALG_WEP;
+		break;
+	case IW_ENCODE_ALG_TKIP:
+		alg = ALG_TKIP;
+		break;
+	case IW_ENCODE_ALG_CCMP:
+		alg = ALG_CCMP;
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	if (erq->flags & IW_ENCODE_DISABLED)
+		alg = ALG_NONE;
+
+	idx = erq->flags & IW_ENCODE_INDEX;
+	if (idx < 1 || idx > 4) {
+		idx = -1;
+		if (!sdata->default_key)
+			idx = 0;
+		else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+			if (sdata->default_key == sdata->keys[i]) {
+				idx = i;
+				break;
+			}
+		}
+		if (idx < 0)
+			return -EINVAL;
+	} else
+		idx--;
+
+	return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
+					ext->ext_flags &
+					IW_ENCODE_EXT_SET_TX_KEY,
+					ext->key, ext->key_len);
+}
+
+
+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" },
+};
+
+/* Structures to export the Wireless Handlers */
+
+static const iw_handler ieee80211_handler[] =
+{
+	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
+	(iw_handler) ieee80211_ioctl_giwname,		/* SIOCGIWNAME */
+	(iw_handler) NULL,				/* SIOCSIWNWID */
+	(iw_handler) NULL,				/* SIOCGIWNWID */
+	(iw_handler) ieee80211_ioctl_siwfreq,		/* SIOCSIWFREQ */
+	(iw_handler) ieee80211_ioctl_giwfreq,		/* SIOCGIWFREQ */
+	(iw_handler) ieee80211_ioctl_siwmode,		/* SIOCSIWMODE */
+	(iw_handler) ieee80211_ioctl_giwmode,		/* SIOCGIWMODE */
+	(iw_handler) NULL,				/* SIOCSIWSENS */
+	(iw_handler) NULL,				/* SIOCGIWSENS */
+	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
+	(iw_handler) ieee80211_ioctl_giwrange,		/* SIOCGIWRANGE */
+	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
+	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
+	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
+	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
+	iw_handler_set_spy,				/* SIOCSIWSPY */
+	iw_handler_get_spy,				/* SIOCGIWSPY */
+	iw_handler_set_thrspy,				/* SIOCSIWTHRSPY */
+	iw_handler_get_thrspy,				/* SIOCGIWTHRSPY */
+	(iw_handler) ieee80211_ioctl_siwap,		/* SIOCSIWAP */
+	(iw_handler) ieee80211_ioctl_giwap,		/* SIOCGIWAP */
+	(iw_handler) ieee80211_ioctl_siwmlme,		/* SIOCSIWMLME */
+	(iw_handler) NULL,				/* SIOCGIWAPLIST */
+	(iw_handler) ieee80211_ioctl_siwscan,		/* SIOCSIWSCAN */
+	(iw_handler) ieee80211_ioctl_giwscan,		/* SIOCGIWSCAN */
+	(iw_handler) ieee80211_ioctl_siwessid,		/* SIOCSIWESSID */
+	(iw_handler) ieee80211_ioctl_giwessid,		/* SIOCGIWESSID */
+	(iw_handler) NULL,				/* SIOCSIWNICKN */
+	(iw_handler) NULL,				/* SIOCGIWNICKN */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* SIOCSIWRATE */
+	(iw_handler) NULL,				/* SIOCGIWRATE */
+	(iw_handler) ieee80211_ioctl_siwrts,		/* SIOCSIWRTS */
+	(iw_handler) ieee80211_ioctl_giwrts,		/* SIOCGIWRTS */
+	(iw_handler) ieee80211_ioctl_siwfrag,		/* SIOCSIWFRAG */
+	(iw_handler) ieee80211_ioctl_giwfrag,		/* SIOCGIWFRAG */
+	(iw_handler) NULL,				/* SIOCSIWTXPOW */
+	(iw_handler) NULL,				/* SIOCGIWTXPOW */
+	(iw_handler) ieee80211_ioctl_siwretry,		/* SIOCSIWRETRY */
+	(iw_handler) ieee80211_ioctl_giwretry,		/* SIOCGIWRETRY */
+	(iw_handler) ieee80211_ioctl_siwencode,		/* SIOCSIWENCODE */
+	(iw_handler) ieee80211_ioctl_giwencode,		/* SIOCGIWENCODE */
+	(iw_handler) NULL,				/* SIOCSIWPOWER */
+	(iw_handler) NULL,				/* SIOCGIWPOWER */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) ieee80211_ioctl_siwgenie,		/* SIOCSIWGENIE */
+	(iw_handler) NULL,				/* SIOCGIWGENIE */
+	(iw_handler) ieee80211_ioctl_siwauth,		/* SIOCSIWAUTH */
+	(iw_handler) ieee80211_ioctl_giwauth,		/* SIOCGIWAUTH */
+	(iw_handler) ieee80211_ioctl_siwencodeext,	/* SIOCSIWENCODEEXT */
+	(iw_handler) NULL,				/* SIOCGIWENCODEEXT */
+	(iw_handler) NULL,				/* SIOCSIWPMKSA */
+	(iw_handler) NULL,				/* -- hole -- */
+};
+
+static const iw_handler ieee80211_private_handler[] =
+{							/* SIOCIWFIRSTPRIV + */
+	(iw_handler) ieee80211_ioctl_prism2_param,	/* 0 */
+	(iw_handler) ieee80211_ioctl_get_prism2_param,	/* 1 */
+};
+
+const struct iw_handler_def ieee80211_iw_handler_def =
+{
+	.num_standard	= ARRAY_SIZE(ieee80211_handler),
+	.num_private	= ARRAY_SIZE(ieee80211_private_handler),
+	.num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv),
+	.standard	= (iw_handler *) ieee80211_handler,
+	.private	= (iw_handler *) ieee80211_private_handler,
+	.private_args	= (struct iw_priv_args *) ieee80211_ioctl_priv,
+	.get_wireless_stats = ieee80211_get_wireless_stats,
+};