madwifi/net80211/ieee80211_wireless.c

/*-
 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 *
 * $Id$
 */

/*
 * Wireless extensions support for 802.11 common code.
 */
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif

#include <linux/version.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/utsname.h>
#include <linux/if_arp.h>		/* for ARPHRD_ETHER */
#include <linux/delay.h>

#include <linux/wireless.h>
#include <net/iw_handler.h>

#if WIRELESS_EXT < 15
#error "Wireless extensions v15 or better is needed."
#endif

#include <asm/uaccess.h>

#include <net80211/if_media.h>
#include <net80211/if_athproto.h>

#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_linux.h>
#include "ah.h"

#define	IS_UP(_dev) \
	(((_dev)->flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP))
#define	IS_UP_AUTO(_vap) \
	(IS_UP((_vap)->iv_dev) && \
	 (_vap)->iv_ic->ic_roaming == IEEE80211_ROAMING_AUTO)
#define	RESCAN	1

static void
pre_announced_chanswitch(struct net_device *dev, u_int32_t channel, u_int32_t tbtt);

static int
preempt_scan(struct net_device *dev, int max_grace, int max_wait)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	int total_delay = 0;
	int canceled = 0, ready = 0;

	while (!ready && total_delay < max_grace + max_wait) {
		if ((ic->ic_flags & IEEE80211_F_SCAN) == 0) {
			ready = 1;
		} else {
			if (!canceled && (total_delay > max_grace)) {
				/* Cancel any existing active scan, so that any new parameters
				 * in this scan ioctl (or the defaults) can be honored, then
				 * wait around a while to see if the scan cancels properly. */
				IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
						"%s: cancel pending scan request\n", __func__);
				(void) ieee80211_cancel_scan(vap);
				canceled = 1;
			}
			mdelay (1);
			total_delay += 1;
		}
	}

	if (!ready) {
		IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
				"%s: Timeout canceling current scan.\n",
				__func__);
	}

	return ready;
}

static struct iw_statistics *
ieee80211_iw_getstats(struct net_device *dev)
{
	struct ieee80211vap *vap = dev->priv;
	struct iw_statistics *is = &vap->iv_iwstats;
	struct ieee80211com *ic = vap->iv_ic;

	set_quality(&is->qual, ieee80211_getrssi(vap->iv_ic),
			ic->ic_channoise);
	is->status = vap->iv_state;
	is->discard.nwid = vap->iv_stats.is_rx_wrongbss +
		vap->iv_stats.is_rx_ssidmismatch;
	is->discard.code = vap->iv_stats.is_rx_wepfail +
		vap->iv_stats.is_rx_decryptcrc;
	is->discard.fragment = 0;
	is->discard.retries = 0;
	is->discard.misc = 0;

	is->miss.beacon = 0;

	return is;
}

static int
ieee80211_ioctl_giwname(struct net_device *dev, struct iw_request_info *info,
	char *name, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211_channel *c = vap->iv_ic->ic_curchan;

	if (IEEE80211_IS_CHAN_108G(c))
		strncpy(name, "IEEE 802.11Tg", IFNAMSIZ);
	else if (IEEE80211_IS_CHAN_108A(c))
		strncpy(name, "IEEE 802.11Ta", IFNAMSIZ);
	else if (IEEE80211_IS_CHAN_TURBO(c))
		strncpy(name, "IEEE 802.11T", IFNAMSIZ);
	else if (IEEE80211_IS_CHAN_ANYG(c))
		strncpy(name, "IEEE 802.11g", IFNAMSIZ);
	else if (IEEE80211_IS_CHAN_A(c))
		strncpy(name, "IEEE 802.11a", IFNAMSIZ);
	else if (IEEE80211_IS_CHAN_B(c))
		strncpy(name, "IEEE 802.11b", IFNAMSIZ);
	else
		strncpy(name, "IEEE 802.11", IFNAMSIZ);
	/* XXX FHSS */
	return 0;
}

/*
 * Get a key index from a request.  If nothing is
 * specified in the request we use the current xmit
 * key index.  Otherwise we just convert the index
 * to be base zero.
 */
static int
getiwkeyix(struct ieee80211vap *vap, const struct iw_point* erq, ieee80211_keyix_t *rkix)
{
	ieee80211_keyix_t kix;

	kix = erq->flags & IW_ENCODE_INDEX;
	if ((erq->flags & IW_ENCODE_INDEX) == (u_int8_t)IEEE80211_KEYIX_NONE)
		kix = IEEE80211_KEYIX_NONE;
	if (kix < 1 || kix > IEEE80211_WEP_NKID) {
		kix = vap->iv_def_txkey;
		if (kix == IEEE80211_KEYIX_NONE)
			kix = 0;
	} else
		--kix;
	if (kix < IEEE80211_WEP_NKID) {
		*rkix = kix;
		return 0;
	} else
		return -EINVAL;
}

static int
ieee80211_ioctl_siwencode(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *erq, char *keybuf)
{
	struct ieee80211vap *vap = dev->priv;
	int error;
	int wepchange = 0;
	ieee80211_keyix_t kix;

	if ((erq->flags & IW_ENCODE_DISABLED) == 0) {
		/* Check WEP support, load WEP module if needed */
		if (!ieee80211_crypto_available(vap, IEEE80211_CIPHER_WEP))
			return -EOPNOTSUPP;

		/*
		 * Enable crypto, set key contents, and
		 * set the default transmit key.
		 */
		error = getiwkeyix(vap, erq, &kix);
		if (error < 0)
			return error;
		if (erq->length > IEEE80211_KEYBUF_SIZE)
			return -E2BIG;
		/* XXX no way to install 0-length key */
		ieee80211_key_update_begin(vap);
		if (erq->length > 0) {
			struct ieee80211_key *k = &vap->iv_nw_keys[kix];

			/*
			 * Set key contents.  This interface only supports WEP.
			 * Indicate intended key index.			 
			 */
			k->wk_keyix = kix;
			if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
			    IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
				k->wk_keylen = erq->length;
				memcpy(k->wk_key, keybuf, erq->length);
				memset(k->wk_key + erq->length, 0,
					IEEE80211_KEYBUF_SIZE - erq->length);
				if (!ieee80211_crypto_setkey(vap, k, vap->iv_myaddr, NULL))
					error = -EINVAL;		/* XXX */
			} else
				error = -EINVAL;
		} else {
			/*
			 * When the length is zero the request only changes
			 * the default transmit key.  Verify the new key has
			 * a non-zero length.
			 */
			if (vap->iv_nw_keys[kix].wk_keylen == 0)
				error = -EINVAL;
		}
		if (error == 0) {
			/*
			 * The default transmit key is only changed when:
			 * 1. Privacy is enabled and no key matter is
			 *    specified.
			 * 2. Privacy is currently disabled.
			 * This is deduced from the iwconfig man page.
			 */
			if (erq->length == 0 ||
			    (vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
				vap->iv_def_txkey = kix;
			wepchange = (vap->iv_flags & IEEE80211_F_PRIVACY) == 0;
			vap->iv_flags |= IEEE80211_F_PRIVACY;
		}
		ieee80211_key_update_end(vap);
	} else {
		if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
			return 0;
		vap->iv_flags &= ~IEEE80211_F_PRIVACY;
		wepchange = 1;
		error = 0;
	}
	if (error == 0) {
		/* Set policy for unencrypted frames */
		if ((erq->flags & IW_ENCODE_OPEN) &&
		    (!(erq->flags & IW_ENCODE_RESTRICTED))) {
			vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
		} else if (!(erq->flags & IW_ENCODE_OPEN) &&
			 (erq->flags & IW_ENCODE_RESTRICTED)) {
			vap->iv_flags |= IEEE80211_F_DROPUNENC;
		} else {
			/* Default policy */
			if (vap->iv_flags & IEEE80211_F_PRIVACY)
				vap->iv_flags |= IEEE80211_F_DROPUNENC;
			else
				vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
		}
	}
	if ((error == 0) && IS_UP(vap->iv_dev)) {
		/*
		 * Device is up and running; we must kick it to
		 * effect the change.  If we're enabling/disabling
		 * crypto use then we must re-initialize the device
		 * so the 802.11 state machine is reset.  Otherwise
		 * the key state should have been updated above.
		 */
		if (wepchange && IS_UP_AUTO(vap))
			ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
	}
#ifdef ATH_SUPERG_XR
	/* set the same params on the xr vap device if exists */
	if (!error && vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))
		ieee80211_ioctl_siwencode(vap->iv_xrvap->iv_dev, info, erq, keybuf);
#endif
	return error;
}

static int
ieee80211_ioctl_giwencode(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *erq, char *key)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211_key *k;
	int error;
	ieee80211_keyix_t kix;

	if (vap->iv_flags & IEEE80211_F_PRIVACY) {
		error = getiwkeyix(vap, erq, &kix);
		if (error < 0)
			return error;
		k = &vap->iv_nw_keys[kix];
		/* XXX no way to return cipher/key type */

		erq->flags = kix + 1;			/* NB: base 1 */
		if (erq->length > k->wk_keylen)
			erq->length = k->wk_keylen;
		memcpy(key, k->wk_key, erq->length);
		erq->flags |= IW_ENCODE_ENABLED;
	} else {
		erq->length = 0;
		erq->flags = IW_ENCODE_DISABLED;
	}
	if (vap->iv_flags & IEEE80211_F_DROPUNENC)
		erq->flags |= IW_ENCODE_RESTRICTED;
	else
		erq->flags |= IW_ENCODE_OPEN;
	return 0;
}

#ifndef ifr_media
#define	ifr_media	ifr_ifru.ifru_ivalue
#endif

static int
ieee80211_ioctl_siwrate(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	static const u_int mopts[] = {
		IFM_AUTO,
		IFM_IEEE80211_11A,
		IFM_IEEE80211_11B,
		IFM_IEEE80211_11G,
		IFM_IEEE80211_FH,
		IFM_IEEE80211_11A | IFM_IEEE80211_TURBO,
		IFM_IEEE80211_11G | IFM_IEEE80211_TURBO,
	};
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ifreq ifr;
	int rate, retv;

	if (vap->iv_media.ifm_cur == NULL)
		return -EINVAL;
	memset(&ifr, 0, sizeof(ifr));
	ifr.ifr_media = vap->iv_media.ifm_cur->ifm_media &~ (IFM_MMASK|IFM_TMASK);
	ifr.ifr_media |= mopts[vap->iv_des_mode];
	if (rrq->fixed) {
		/* XXX fudge checking rates */
		rate = ieee80211_rate2media(ic, 2 * rrq->value / 1000000,
			vap->iv_des_mode);
		if (rate == IFM_AUTO)		/* NB: unknown rate */
			return -EINVAL;
	} else
		rate = IFM_AUTO;
	ifr.ifr_media |= IFM_SUBTYPE(rate);

	/* refresh media capabilities based on channel */
	ifmedia_removeall(&vap->iv_media);
	(void) ieee80211_media_setup(ic, &vap->iv_media,
		vap->iv_caps, vap->iv_media.ifm_change, vap->iv_media.ifm_status);

	retv = ifmedia_ioctl(vap->iv_dev, &ifr, &vap->iv_media, SIOCSIFMEDIA);
	if (retv == -ENETRESET)
		retv = IS_UP_AUTO(vap) ? ieee80211_open(vap->iv_dev) : 0;
	return retv;
}

static int
ieee80211_ioctl_giwrate(struct net_device *dev,	struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ifmediareq imr;
	int rate;

	memset(&imr, 0, sizeof(imr));
	vap->iv_media.ifm_status(vap->iv_dev, &imr);

	rrq->fixed = IFM_SUBTYPE(vap->iv_media.ifm_media) != IFM_AUTO;
	/* media status will have the current xmit rate if available */
	rate = ieee80211_media2rate(imr.ifm_active);
	if (rate == -1)		/* IFM_AUTO */
		rate = 0;
	rrq->value = 1000000 * (rate / 2);

	return 0;
}

static int
ieee80211_ioctl_siwsens(struct net_device *dev,	struct iw_request_info *info,
	struct iw_param *sens, char *extra)
{
	return -EOPNOTSUPP;
}

static int
ieee80211_ioctl_giwsens(struct net_device *dev,	struct iw_request_info *info,
	struct iw_param *sens, char *extra)
{
	sens->value = 1;
	sens->fixed = 1;

	return 0;
}

static int
ieee80211_ioctl_siwrts(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rts, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	u16 val;

	if (rts->disabled)
		val = IEEE80211_RTS_MAX;
	else if ((IEEE80211_RTS_MIN <= rts->value) &&
			(rts->value <= IEEE80211_RTS_MAX))
		val = rts->value;
	else
		return -EINVAL;
	if (val != vap->iv_rtsthreshold) {
		vap->iv_rtsthreshold = val;
		if (IS_UP(vap->iv_dev))
			return ic->ic_reset(ic->ic_dev);
	}
	return 0;
}

static int
ieee80211_ioctl_giwrts(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rts, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	rts->value = vap->iv_rtsthreshold;
	rts->disabled = (rts->value == IEEE80211_RTS_MAX);
	rts->fixed = 1;

	return 0;
}

static int
ieee80211_ioctl_siwfrag(struct net_device *dev,	struct iw_request_info *info,
	struct iw_param *rts, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	u16 val;

	if (rts->disabled)
		val = 2346;
	else if ((rts->value < 256) || (rts->value > 2346))
		return -EINVAL;
	else
		val = (rts->value & ~0x1);

	if (val != vap->iv_fragthreshold) {
		vap->iv_fragthreshold = val;
		if (IS_UP(ic->ic_dev))
			return ic->ic_reset(ic->ic_dev);
	}
	return 0;
}

static int
ieee80211_ioctl_giwfrag(struct net_device *dev,	struct iw_request_info *info,
	struct iw_param *rts, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	rts->value = vap->iv_fragthreshold;
	rts->disabled = (rts->value == 2346);
	rts->fixed = 1;

	return 0;
}

static int
ieee80211_ioctl_siwap(struct net_device *dev, struct iw_request_info *info,
	struct sockaddr *ap_addr, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	/* NB: should not be set when in AP mode */
	if (vap->iv_opmode == IEEE80211_M_HOSTAP)
		return -EOPNOTSUPP;

	if (vap->iv_opmode == IEEE80211_M_WDS)
		IEEE80211_ADDR_COPY(vap->wds_mac, &ap_addr->sa_data);

	/* 
	 * zero address corresponds to 'iwconfig ath0 ap off', which means 
	 * enable automatic choice of AP without actually forcing a
	 * reassociation.  
	 *
	 * broadcast address corresponds to 'iwconfig ath0 ap any', which
	 * means scan for the current best AP.
	 *
	 * anything else specifies a particular AP.
	 */
	vap->iv_flags &= ~IEEE80211_F_DESBSSID;
	if (!IEEE80211_ADDR_NULL(&ap_addr->sa_data)) {
		if (!IEEE80211_ADDR_EQ(vap->iv_des_bssid, 
				      (uint8_t[8]){0xff}))
			vap->iv_flags |= IEEE80211_F_DESBSSID;

		IEEE80211_ADDR_COPY(vap->iv_des_bssid, &ap_addr->sa_data);
		if (IS_UP_AUTO(vap))
			ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
	}
	return 0;
}

static int
ieee80211_ioctl_giwap(struct net_device *dev, struct iw_request_info *info,
	struct sockaddr *ap_addr, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	if (vap->iv_flags & IEEE80211_F_DESBSSID)
		IEEE80211_ADDR_COPY(&ap_addr->sa_data, vap->iv_des_bssid);
	else {
		if (vap->iv_state == IEEE80211_S_RUN)
			if (vap->iv_opmode != IEEE80211_M_WDS)
				IEEE80211_ADDR_COPY(&ap_addr->sa_data, vap->iv_bssid);
			else
				IEEE80211_ADDR_COPY(&ap_addr->sa_data, vap->wds_mac);
		else
			IEEE80211_ADDR_SET_NULL(&ap_addr->sa_data);
	}
	ap_addr->sa_family = ARPHRD_ETHER;
	return 0;
}

static int
ieee80211_ioctl_siwnickn(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *nickname)
{
	struct ieee80211vap *vap = dev->priv;

	if (data->length > IEEE80211_NWID_LEN)
		return -E2BIG;

	memset(vap->iv_nickname, 0, IEEE80211_NWID_LEN);
	memcpy(vap->iv_nickname, nickname, data->length);
	vap->iv_nicknamelen = data->length;

	return 0;
}

static int
ieee80211_ioctl_giwnickn(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *nickname)
{
	struct ieee80211vap *vap = dev->priv;

	if (data->length > vap->iv_nicknamelen + 1)
		data->length = vap->iv_nicknamelen + 1;
	if (data->length > 0) {
		memcpy(nickname, vap->iv_nickname, data->length - 1); /* XXX: strcpy? */
		nickname[data->length-1] = '\0';
	}
	return 0;
}

static int
find11gchannel(struct ieee80211com *ic, int i, int freq)
{
	for (; i < ic->ic_nchans; i++) {
		const struct ieee80211_channel *c = &ic->ic_channels[i];
		if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
			return 1;
	}
	return 0;
}

static struct ieee80211_channel *
findchannel(struct ieee80211com *ic, int ieee, int mode)
{
	static const u_int chanflags[] = {
		0,			/* IEEE80211_MODE_AUTO */
		IEEE80211_CHAN_A,	/* IEEE80211_MODE_11A */
		IEEE80211_CHAN_B,	/* IEEE80211_MODE_11B */
		IEEE80211_CHAN_PUREG,	/* IEEE80211_MODE_11G */
		IEEE80211_CHAN_FHSS,	/* IEEE80211_MODE_FH */
		IEEE80211_CHAN_108A,	/* IEEE80211_MODE_TURBO_A */
		IEEE80211_CHAN_108G,	/* IEEE80211_MODE_TURBO_G */
		IEEE80211_CHAN_ST,	/* IEEE80211_MODE_TURBO_STATIC_A */
	};
	u_int modeflags;
	unsigned int i;

	modeflags = chanflags[mode];
	for (i = 0; i < ic->ic_nchans; i++) {
		struct ieee80211_channel *c = &ic->ic_channels[i];

		if (c->ic_ieee != ieee)
			continue;
		if (mode == IEEE80211_MODE_AUTO) {
			/* ignore turbo channels for autoselect */
			if (!(ic->ic_ath_cap & IEEE80211_ATHC_TURBOP) &&
			    IEEE80211_IS_CHAN_TURBO(c))
				continue;
			/*
			 * XXX special-case 11b/g channels so we
			 *     always select the g channel if both
			 *     are present.
			 */
			if (!IEEE80211_IS_CHAN_B(c) ||
			    !find11gchannel(ic, i + 1, c->ic_freq))
				return c;
		} else {
			if ((c->ic_flags & modeflags) == modeflags)
				return c;
		}
	}
	return NULL;
}

#define	IEEE80211_MODE_TURBO_STATIC_A	IEEE80211_MODE_MAX
static int
ieee80211_check_mode_consistency(struct ieee80211com *ic, int mode,
	struct ieee80211_channel *c)
{
	if (c == IEEE80211_CHAN_ANYC)
		return 0;
	switch (mode) {
	case IEEE80211_MODE_11B:
		if (IEEE80211_IS_CHAN_B(c))
			return 0;
		else
			return 1;
		break;
	case IEEE80211_MODE_11G:
		if (IEEE80211_IS_CHAN_ANYG(c))
			return 0;
		else
			return 1;
		break;
	case IEEE80211_MODE_11A:
		if (IEEE80211_IS_CHAN_A(c))
			return 0;
		else
			return 1;
		break;
	case IEEE80211_MODE_TURBO_STATIC_A:
		if (IEEE80211_IS_CHAN_A(c) && IEEE80211_IS_CHAN_STURBO(c))
			return 0;
		else
			return 1;
		break;
	case IEEE80211_MODE_AUTO:
		return 0;
		break;
	}
	return 1;
}
#undef	IEEE80211_MODE_TURBO_STATIC_A

static int
ieee80211_ioctl_siwfreq(struct net_device *dev, struct iw_request_info *info,
	struct iw_freq *freq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_channel *c, *c2;
	int i;

	if (freq->e > 1)
		return -EINVAL;
	if (freq->e == 1)
		i = (ic->ic_mhz2ieee)(ic, freq->m / 100000, 0);
	else
		i = freq->m;

	if ((i != 0) && (i != -1)) {
		if (i > IEEE80211_CHAN_MAX)
			return -EINVAL;
		c = findchannel(ic, i, vap->iv_des_mode);
		if (c == NULL) {
			c = findchannel(ic, i, IEEE80211_MODE_AUTO);
			if (c == NULL)			/* no channel */
				return -EINVAL;
		}
		/*
		 * Fine tune channel selection based on desired mode:
		 *   if 11b is requested, find the 11b version of any
		 *      11g channel returned,
		 *   if static turbo, find the turbo version of any
		 *	11a channel return,
		 *   otherwise we should be ok with what we've got.
		 */
		switch (vap->iv_des_mode) {
		case IEEE80211_MODE_11B:
			if (IEEE80211_IS_CHAN_ANYG(c)) {
				c2 = findchannel(ic, i, IEEE80211_MODE_11B);
				/* NB: should not happen, =>'s 11g w/o 11b */
				if (c2 != NULL)
					c = c2;
			}
			break;
		case IEEE80211_MODE_TURBO_A:
			if (IEEE80211_IS_CHAN_A(c)) {
				c2 = findchannel(ic, i, IEEE80211_MODE_TURBO_A);
				if (c2 != NULL)
					c = c2;
			}
			break;
		default:		/* NB: no static turboG */
			break;
		}
		if (ieee80211_check_mode_consistency(ic, vap->iv_des_mode, c)) {
			if (vap->iv_opmode == IEEE80211_M_HOSTAP)
				return -EINVAL;
		}
		if ((vap->iv_state == IEEE80211_S_RUN) && (c == vap->iv_des_chan))
			return 0;			/* no change, return */

		/* Don't allow to change to channel with radar found */
		if (c->ic_flags & IEEE80211_CHAN_RADAR)
			return -EINVAL;

		/*
		 * Mark desired channel and if running force a
		 * radio change.
		 */
		vap->iv_des_chan = c;
	} else {
		/*
		 * Intepret channel 0 to mean "no desired channel";
		 * otherwise there's no way to undo fixing the desired
		 * channel.
		 */
		if (vap->iv_des_chan == IEEE80211_CHAN_ANYC)
			return 0;
		vap->iv_des_chan = IEEE80211_CHAN_ANYC;
	}
#if 0
	if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
		int mode = ieee80211_chan2mode(vap->iv_des_chan);
		if (mode != ic->ic_curmode)
			ieee80211_setmode(ic, mode);
	}
#endif
	if ((vap->iv_opmode == IEEE80211_M_MONITOR ||
	    vap->iv_opmode == IEEE80211_M_WDS) &&
	    vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
		/* Monitor and wds modes can switch directly. */
		ic->ic_curchan = vap->iv_des_chan;
		if (vap->iv_state == IEEE80211_S_RUN) {
			ic->ic_set_channel(ic);
		}
	} else if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
		/* Need to use channel switch announcement on beacon if we are 
		 * up and running.  We use ic_set_channel directly if we are 
		 * "running" but not "up".  Otherwise, iv_des_chan will take
		 * effect when we are transitioned to RUN state later. */
		if (IS_UP(vap->iv_dev) &&
		    (0 == (vap->iv_des_chan->ic_flags & CHANNEL_DFS))) {
			pre_announced_chanswitch(dev, ieee80211_chan2ieee(ic, vap->iv_des_chan),
				IEEE80211_DEFAULT_CHANCHANGE_TBTT_COUNT);
		}
		else if (vap->iv_state == IEEE80211_S_RUN) {
			ic->ic_curchan = vap->iv_des_chan;
			ic->ic_set_channel(ic);
		}
	} else {
		/* Need to go through the state machine in case we need
		 * to reassociate or the like.  The state machine will
		 * pickup the desired channel and avoid scanning. */
		if (IS_UP_AUTO(vap))
			ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
	}
	return 0;
}

static int
ieee80211_ioctl_giwfreq(struct net_device *dev, struct iw_request_info *info,
	struct iw_freq *freq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	if (vap->iv_state == IEEE80211_S_RUN &&
	    vap->iv_opmode != IEEE80211_M_MONITOR) {
		/*
		 * NB: use curchan for monitor mode so you can see
		 *     manual scanning by apps like kismet.
		 */
		KASSERT(ic->ic_bsschan != IEEE80211_CHAN_ANYC,
			("bss channel not set"));
		freq->m = ic->ic_bsschan->ic_freq;
	} else if (vap->iv_state != IEEE80211_S_INIT)	/* e.g. when scanning */
		freq->m = ic->ic_curchan->ic_freq;
	else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC)
		freq->m = vap->iv_des_chan->ic_freq;
	else
		freq->m = 0;
	freq->m *= 100000;
	freq->e = 1;

	return 0;
}

#ifdef ATH_SUPERG_XR
/*
 * Copy desired ssid state from one vap to another.
 */
static void
copy_des_ssid(struct ieee80211vap *dst, const struct ieee80211vap *src)
{
	dst->iv_des_nssid = src->iv_des_nssid;
	memcpy(dst->iv_des_ssid, src->iv_des_ssid,
	    src->iv_des_nssid * sizeof(src->iv_des_ssid[0]));
}
#endif /* ATH_SUPERG_XR */

static int
ieee80211_ioctl_siwessid(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *ssid)
{
	struct ieee80211vap *vap = dev->priv;

	if (vap->iv_opmode == IEEE80211_M_WDS)
		return -EOPNOTSUPP;

	if (data->flags == 0)		/* ANY */
		vap->iv_des_nssid = 0;
	else {
		if (data->length > IEEE80211_NWID_LEN)
			data->length = IEEE80211_NWID_LEN;
		/* NB: always use entry 0 */
		memcpy(vap->iv_des_ssid[0].ssid, ssid, data->length);
		vap->iv_des_ssid[0].len = data->length;
		vap->iv_des_nssid = 1;
#if WIRELESS_EXT < 21
		/*
		 * Deduct a trailing \0 since iwconfig passes a string
		 * length that includes this.  Unfortunately this means
		 * that specifying a string with multiple trailing \0's
		 * won't be handled correctly.  Not sure there's a good
		 * solution; the API is botched (the length should be
		 * exactly those bytes that are meaningful and not include
		 * extraneous stuff).
		 */
		/* The API was fixed in WE21 */
		if (data->length > 0 &&
		    vap->iv_des_ssid[0].ssid[data->length - 1] == '\0')
			vap->iv_des_ssid[0].len--;
#endif /* WIRELESS_EXT < 21 */
	}
#ifdef ATH_SUPERG_XR
	if (vap->iv_xrvap != NULL && !(vap->iv_flags & IEEE80211_F_XR)) {
		if (data->flags == 0)
			vap->iv_des_nssid = 0;
		else
			copy_des_ssid(vap->iv_xrvap, vap);
	}
#endif
	return IS_UP_AUTO(vap) ? ieee80211_init(vap->iv_dev, RESCAN) : 0;
}

static int
ieee80211_ioctl_giwessid(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *essid)
{
	struct ieee80211vap *vap = dev->priv;

	if (vap->iv_opmode == IEEE80211_M_WDS)
		return -EOPNOTSUPP;

	data->flags = 1;		/* active */
	if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
		if (vap->iv_des_nssid > 0) {
			if (data->length > vap->iv_des_ssid[0].len)
				data->length = vap->iv_des_ssid[0].len;
			memcpy(essid, vap->iv_des_ssid[0].ssid, data->length);
		} else
			data->length = 0;
	} else {
		if (vap->iv_des_nssid == 0) {
			if (data->length > vap->iv_bss->ni_esslen)
				data->length = vap->iv_bss->ni_esslen;
			memcpy(essid, vap->iv_bss->ni_essid, data->length);
		} else {
			if (data->length > vap->iv_des_ssid[0].len)
				data->length = vap->iv_des_ssid[0].len;
			memcpy(essid, vap->iv_des_ssid[0].ssid, data->length);
		}
	}
	return 0;
}

static int
ieee80211_ioctl_giwrange(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_node *ni = vap->iv_bss;
	struct iw_range *range = (struct iw_range *) extra;
	struct ieee80211_rateset *rs;
	u_int8_t reported[IEEE80211_CHAN_BYTES];	/* XXX stack usage? */
	int i, r;
	int step = 0;

	data->length = sizeof(struct iw_range);
	memset(range, 0, sizeof(struct iw_range));

	/* txpower (128 values, but will print out only IW_MAX_TXPOWER) */
	range->num_txpower = (ic->ic_txpowlimit >= 8) ? IW_MAX_TXPOWER : ic->ic_txpowlimit;
	step = ic->ic_txpowlimit / (2 * (IW_MAX_TXPOWER - 1));

	range->txpower[0] = 0;
	for (i = 1; i < IW_MAX_TXPOWER; i++)
		range->txpower[i] = (ic->ic_txpowlimit/2)
			- (IW_MAX_TXPOWER - i - 1) * step;

	range->txpower_capa = IW_TXPOW_DBM;

	if (vap->iv_opmode == IEEE80211_M_STA ||
	    vap->iv_opmode == IEEE80211_M_IBSS) {
		range->min_pmp = 1 * 1024;
		range->max_pmp = 65535 * 1024;
		range->min_pmt = 1 * 1024;
		range->max_pmt = 1000 * 1024;
		range->pmp_flags = IW_POWER_PERIOD;
		range->pmt_flags = IW_POWER_TIMEOUT;
		range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
			IW_POWER_UNICAST_R | IW_POWER_ALL_R;
	}

	range->we_version_compiled = WIRELESS_EXT;
	range->we_version_source = 18;

	range->retry_capa = IW_RETRY_LIMIT;
	range->retry_flags = IW_RETRY_LIMIT;
	range->min_retry = 0;
	range->max_retry = 255;

	range->num_channels = ic->ic_nchans;

	range->num_frequency = 0;
	memset(reported, 0, sizeof(reported));
	for (i = 0; i < ic->ic_nchans; i++) {
		const struct ieee80211_channel *c = &ic->ic_channels[i];

		/* discard if previously reported (e.g. b/g) */
		if (isclr(reported, c->ic_ieee)) {
			setbit(reported, c->ic_ieee);
			range->freq[range->num_frequency].i = c->ic_ieee;
			range->freq[range->num_frequency].m =
				ic->ic_channels[i].ic_freq * 100000;
			range->freq[range->num_frequency].e = 1;
			if (++range->num_frequency == IW_MAX_FREQUENCIES)
				break;
		}
	}

	/* Atheros' RSSI value is SNR: 0 -> 60 for old chipsets. Range 
	 * for newer chipsets is unknown. This value is arbitarily chosen 
	 * to give an indication that full rate will be available and to be 
	 * a practicable maximum. */
	range->max_qual.qual  = 70;
#if WIRELESS_EXT >= 19
	/* XXX: This should be updated to use the current noise floor. */
	/* These are negative full bytes.
	 * Min. quality is noise + 1 */
	range->max_qual.updated |= IW_QUAL_DBM;
	range->max_qual.level = ATH_DEFAULT_NOISE + 1;
	range->max_qual.noise = ATH_DEFAULT_NOISE;
#else
	/* Values larger than the maximum are assumed to be absolute */
	range->max_qual.level = 0;
	range->max_qual.noise = 0;
#endif

	range->sensitivity = 1;

	range->max_encoding_tokens = IEEE80211_WEP_NKID;
	/* XXX query driver to find out supported key sizes */
	range->num_encoding_sizes = 3;
	range->encoding_size[0] = 5;		/* 40-bit */
	range->encoding_size[1] = 13;		/* 104-bit */
	range->encoding_size[2] = 16;		/* 128-bit */

	/* XXX this only works for station mode */
	rs = &ni->ni_rates;
	range->num_bitrates = rs->rs_nrates;
	if (range->num_bitrates > IW_MAX_BITRATES)
		range->num_bitrates = IW_MAX_BITRATES;
	for (i = 0; i < range->num_bitrates; i++) {
		r = rs->rs_rates[i] & IEEE80211_RATE_VAL;
		range->bitrate[i] = (r * 1000000) / 2;
	}

	/* estimated maximum TCP throughput values (bps) */
	range->throughput = 5500000;

	range->min_rts = 0;
	range->max_rts = 2347;
	range->min_frag = 256;
	range->max_frag = 2346;

#if WIRELESS_EXT >= 17
	/* Event capability (kernel) */
	IW_EVENT_CAPA_SET_KERNEL(range->event_capa);

	/* Event capability (driver) */
	if (vap->iv_opmode == IEEE80211_M_STA ||
		 vap->iv_opmode == IEEE80211_M_IBSS ||
		 vap->iv_opmode == IEEE80211_M_AHDEMO) {
		/* for now, only ibss, ahdemo, sta has this cap */
		IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
	}

	if (vap->iv_opmode == IEEE80211_M_STA) {
		/* for sta only */
		IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
		IW_EVENT_CAPA_SET(range->event_capa, IWEVREGISTERED);
		IW_EVENT_CAPA_SET(range->event_capa, IWEVEXPIRED);
	}

	/* this is used for reporting replay failure, which is used by the different encoding schemes */
	IW_EVENT_CAPA_SET(range->event_capa, IWEVCUSTOM);
#endif

#if WIRELESS_EXT >= 18
	/* report supported WPA/WPA2 capabilities to userspace */
	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
#endif

	return 0;
}

static int
ieee80211_ioctl_setspy(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	/* save the list of node addresses */
	struct ieee80211vap *vap = dev->priv;
	struct sockaddr address[IW_MAX_SPY];
	unsigned int number = data->length;
	int i;

	if (number > IW_MAX_SPY)
		return -E2BIG;

	/* get the addresses into the driver */
	if (data->pointer) {
		if (copy_from_user(address, data->pointer,
		    sizeof(struct sockaddr) * number))
			return -EFAULT;
	} else
		return -EINVAL;

	/* copy the MAC addresses into a list */
	if (number > 0) {
		/* extract the MAC addresses */
		for (i = 0; i < number; i++)
			memcpy(&vap->iv_spy.mac[i * IEEE80211_ADDR_LEN],
				address[i].sa_data, IEEE80211_ADDR_LEN);
		/* init rssi timestamps to 0 */
		memset(vap->iv_spy.ts_rssi, 0, sizeof(vap->iv_spy.ts_rssi));
	}
	vap->iv_spy.num = number;

	return 0;
}

static int
ieee80211_ioctl_getspy(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	/*
	 * locate nodes by mac (ieee80211_find_node()),
	 * copy out rssi, set updated flag appropriately
	 */
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
	struct ieee80211_node *ni;
	struct ieee80211com *ic = vap->iv_ic;
	struct sockaddr *address;
	struct iw_quality *spy_stat;
	unsigned int number = vap->iv_spy.num;
	int i;

	address = (struct sockaddr *) extra;
	spy_stat = (struct iw_quality *) (extra + number * sizeof(struct sockaddr));

	for (i = 0; i < number; i++) {
		memcpy(address[i].sa_data, &vap->iv_spy.mac[i * IEEE80211_ADDR_LEN],
			IEEE80211_ADDR_LEN);
		address[i].sa_family = AF_PACKET;
	}

	/* locate a node, read its rssi, check if updated, convert to dBm */
	for (i = 0; i < number; i++) {
		ni = ieee80211_find_node(nt, &vap->iv_spy.mac[i * IEEE80211_ADDR_LEN]);
		/* check we are associated w/ this vap */
		if (ni) {
			if (ni->ni_vap == vap) {
				set_quality(&spy_stat[i], 
					ic->ic_rssi_ewma ? 
					 ic->ic_node_getrssi(ni) : ni->ni_rssi,
					ic->ic_channoise);

				if (ni->ni_rtsf != vap->iv_spy.ts_rssi[i]) {
					vap->iv_spy.ts_rssi[i] = ni->ni_rtsf;
				} else {
					spy_stat[i].updated = 0;
				}
			}
			ieee80211_unref_node(&ni);
		} else {
			spy_stat[i].updated = IW_QUAL_ALL_INVALID;
		}
	}

	/* copy results to userspace */
	data->length = number;
	return 0;
}

#if WIRELESS_EXT >= 16
/* Enhanced iwspy support */
static int
ieee80211_ioctl_setthrspy(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct iw_thrspy threshold;

	if (data->length != 1)
		return -EINVAL;

	/* get the threshold values into the driver */
	if (data->pointer) {
		if (copy_from_user(&threshold, data->pointer,
		    sizeof(struct iw_thrspy)))
			return -EFAULT;
	} else
		return -EINVAL;

	if (threshold.low.level == 0) {
		/* disable threshold */
		vap->iv_spy.thr_low = 0;
		vap->iv_spy.thr_high = 0;
		IEEE80211_DPRINTF(vap, IEEE80211_MSG_DEBUG,
			"%s: disabled iw_spy threshold\n", __func__);
	} else {
		/* We are passed a signal level/strength - calculate 
		 * corresponding RSSI values */
		/* XXX: We should use current noise value. */
		vap->iv_spy.thr_low = threshold.low.level + ATH_DEFAULT_NOISE;
		vap->iv_spy.thr_high = threshold.high.level + ATH_DEFAULT_NOISE;
		IEEE80211_DPRINTF(vap, IEEE80211_MSG_DEBUG,
			"%s: enabled iw_spy threshold\n", __func__);
	}

	return 0;
}

static int
ieee80211_ioctl_getthrspy(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct iw_thrspy *threshold;

	threshold = (struct iw_thrspy *) extra;

	/* set threshold values */
	set_quality(&(threshold->low), vap->iv_spy.thr_low, ic->ic_channoise);
	set_quality(&(threshold->high), vap->iv_spy.thr_high, ic->ic_channoise);

	/* copy results to userspace */
	data->length = 1;

	return 0;
}
#endif

static int
ieee80211_ioctl_siwmode(struct net_device *dev, struct iw_request_info *info,
	__u32 *mode, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ifmediareq imr;
	int valid = 0;

	memset(&imr, 0, sizeof(imr));
	vap->iv_media.ifm_status(vap->iv_dev, &imr);

	if (imr.ifm_active & IFM_IEEE80211_HOSTAP)
		valid = (*mode == IW_MODE_MASTER);
	else if (imr.ifm_active & IFM_IEEE80211_MONITOR)
		valid = (*mode == IW_MODE_MONITOR);
	else if (imr.ifm_active & IFM_IEEE80211_ADHOC)
		valid = (*mode == IW_MODE_ADHOC);
	else if (imr.ifm_active & IFM_IEEE80211_WDS)
		valid = (*mode == IW_MODE_REPEAT);
	else
		valid = (*mode == IW_MODE_INFRA);

	return valid ? 0 : -EINVAL;
}

static int
ieee80211_ioctl_giwmode(struct net_device *dev,	struct iw_request_info *info,
	__u32 *mode, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ifmediareq imr;

	memset(&imr, 0, sizeof(imr));
	vap->iv_media.ifm_status(vap->iv_dev, &imr);

	if (imr.ifm_active & IFM_IEEE80211_HOSTAP)
		*mode = IW_MODE_MASTER;
	else if (imr.ifm_active & IFM_IEEE80211_MONITOR)
		*mode = IW_MODE_MONITOR;
	else if (imr.ifm_active & IFM_IEEE80211_ADHOC)
		*mode = IW_MODE_ADHOC;
	else if (imr.ifm_active & IFM_IEEE80211_WDS)
		*mode = IW_MODE_REPEAT;
	else
		*mode = IW_MODE_INFRA;
	return 0;
}

static int
ieee80211_ioctl_siwpower(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *wrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	/* XXX: These values, flags, and caps do not seem to be used elsewhere 
	 * at all? */

	if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
		return -EOPNOTSUPP;

	if (wrq->disabled) {
		ic->ic_flags &= ~IEEE80211_F_PMGTON;
	} else {
		switch (wrq->flags & IW_POWER_MODE) {
		case IW_POWER_UNICAST_R:
		case IW_POWER_ALL_R:
		case IW_POWER_ON:
			if (wrq->flags & IW_POWER_PERIOD) {
				if (IEEE80211_BINTVAL_VALID(wrq->value))
					ic->ic_lintval = IEEE80211_MS_TO_TU(wrq->value);
				else
					return -EINVAL;
			}
			if (wrq->flags & IW_POWER_TIMEOUT)
				ic->ic_holdover = IEEE80211_MS_TO_TU(wrq->value);

			ic->ic_flags |= IEEE80211_F_PMGTON;
			break;
		default:
			return -EINVAL;
		}
	}

	return IS_UP(ic->ic_dev) ? ic->ic_reset(ic->ic_dev) : 0;
}

static int
ieee80211_ioctl_giwpower(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	rrq->disabled = (ic->ic_flags & IEEE80211_F_PMGTON) == 0;
	if (!rrq->disabled) {
		switch (rrq->flags & IW_POWER_TYPE) {
		case IW_POWER_TIMEOUT:
			rrq->flags = IW_POWER_TIMEOUT;
			rrq->value = IEEE80211_TU_TO_MS(ic->ic_holdover);
			break;
		case IW_POWER_PERIOD:
			rrq->flags = IW_POWER_PERIOD;
			rrq->value = IEEE80211_TU_TO_MS(ic->ic_lintval);
			break;
		}
		rrq->flags |= IW_POWER_ALL_R;
	}
	return 0;
}

static int
ieee80211_ioctl_siwretry(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	if (rrq->disabled) {
		if (vap->iv_flags & IEEE80211_F_SWRETRY) {
			vap->iv_flags &= ~IEEE80211_F_SWRETRY;
			goto done;
		}
		return 0;
	}

	if ((vap->iv_caps & IEEE80211_C_SWRETRY) == 0)
		return -EOPNOTSUPP;
	if (rrq->flags == IW_RETRY_LIMIT) {
		if (rrq->value >= 0) {
			vap->iv_txmin = rrq->value;
			vap->iv_txmax = rrq->value;	/* XXX */
			vap->iv_txlifetime = 0;		/* XXX */
			vap->iv_flags |= IEEE80211_F_SWRETRY;
		} else {
			vap->iv_flags &= ~IEEE80211_F_SWRETRY;
		}
		return 0;
	}
done:
	return IS_UP(vap->iv_dev) ? ic->ic_reset(vap->iv_dev) : 0;
}

static int
ieee80211_ioctl_giwretry(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	rrq->disabled = (vap->iv_flags & IEEE80211_F_SWRETRY) == 0;
	if (!rrq->disabled) {
		switch (rrq->flags & IW_RETRY_TYPE) {
		case IW_RETRY_LIFETIME:
			rrq->flags = IW_RETRY_LIFETIME;
			rrq->value = IEEE80211_TU_TO_MS(vap->iv_txlifetime);
			break;
		case IW_RETRY_LIMIT:
			rrq->flags = IW_RETRY_LIMIT;
			switch (rrq->flags & IW_RETRY_MODIFIER) {
			case IW_RETRY_MIN:
				rrq->flags |= IW_RETRY_MAX;
				rrq->value = vap->iv_txmin;
				break;
			case IW_RETRY_MAX:
				rrq->flags |= IW_RETRY_MAX;
				rrq->value = vap->iv_txmax;
				break;
			}
			break;
		}
	}
	return 0;
}

static int
ieee80211_ioctl_siwtxpow(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	int fixed, disabled;

	fixed = (ic->ic_flags & IEEE80211_F_TXPOW_FIXED);
	disabled = (fixed && vap->iv_bss->ni_txpower == 0);
	if (rrq->disabled) {
		if (!disabled) {
			if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
				return -EOPNOTSUPP;
			ic->ic_flags |= IEEE80211_F_TXPOW_FIXED;
			vap->iv_bss->ni_txpower = 0;
			goto done;
		}
		return 0;
	}

	if (rrq->fixed) {
		if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
			return -EOPNOTSUPP;
		if (rrq->flags != IW_TXPOW_DBM)
			return -EINVAL;
		if (ic->ic_bsschan != IEEE80211_CHAN_ANYC) {
			if ((ic->ic_bsschan->ic_maxregpower >= rrq->value) &&
			    (ic->ic_txpowlimit/2 >= rrq->value)) {
				vap->iv_bss->ni_txpower = 2 * rrq->value;
				ic->ic_newtxpowlimit = 2 * rrq->value;
				ic->ic_flags |= IEEE80211_F_TXPOW_FIXED;
			} else
				return -EINVAL;
		} else {
			/*
			 * No channel set yet
			 */
			if (ic->ic_txpowlimit/2 >= rrq->value) {
				vap->iv_bss->ni_txpower = 2 * rrq->value;
				ic->ic_newtxpowlimit = 2 * rrq->value;
				ic->ic_flags |= IEEE80211_F_TXPOW_FIXED;
			}
			else
				return -EINVAL;
		}
	} else {
		if (!fixed)		/* no change */
			return 0;
		ic->ic_newtxpowlimit = IEEE80211_TXPOWER_MAX;
		ic->ic_flags &= ~IEEE80211_F_TXPOW_FIXED;
	}
done:
	return IS_UP(ic->ic_dev) ? ic->ic_reset(ic->ic_dev) : 0;
}

static int
ieee80211_get_txcont(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_txcont(ic);
	return 0;
}

static int
ieee80211_get_dfs_cac_time(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_dfs_cac_time(ic);
	return 0;
}

static int
ieee80211_get_dfs_excl_period(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_dfs_excl_period(ic);
	return 0;
}
static int
ieee80211_set_dfs_cac_time(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_dfs_cac_time(ic, params[1]);
	return 0;
}
static int
ieee80211_set_dfs_excl_period  (struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_dfs_excl_period(ic, params[1]);
	return 0;
}

static int
ieee80211_get_dfs_testmode(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_dfs_testmode(ic);
	return 0;
}

static int
ieee80211_get_txcont_rate(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_txcont_rate(ic);
	return 0;
}

static int
ieee80211_set_txcont(struct net_device *dev, struct iw_request_info *info, 
		void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_txcont(ic, params[1]);
	return 0;
}

static int
ieee80211_set_dfs_testmode(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_dfs_testmode(ic, params[1]);
	return 0;
}

static int
ieee80211_set_txcont_rate(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_txcont_rate(ic, params[1]);
	return 0;
}

static int
ieee80211_set_txcont_power(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	ic->ic_set_txcont_power(ic, params[1]);
	return 0;
}

static int
ieee80211_get_txcont_power(struct net_device *dev, 
		struct iw_request_info *info, void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	params[0] = ic->ic_get_txcont_power(ic);
	return 0;
}

static int 
ieee80211_ioctl_hal_map(struct net_device *dev, struct iw_request_info *info,
       void *w, char *extra)
{
       int *params = (int*) extra;
       struct ieee80211vap *vap = dev->priv;
       struct ieee80211com *ic = vap->iv_ic;
       params[0] = ic->ic_dump_hal_map(ic);
       return 0;
}


static int
ieee80211_ioctl_radar(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	int *params = (int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	if (!(ic->ic_flags & IEEE80211_F_DOTH))
		return 0;
	params[0] = ic->ic_test_radar(ic);
	return 0;
}

static int
ieee80211_ioctl_giwtxpow(struct net_device *dev, struct iw_request_info *info,
	struct iw_param *rrq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	rrq->value = vap->iv_bss->ni_txpower / 2;
	rrq->fixed = (ic->ic_flags & IEEE80211_F_TXPOW_FIXED) != 0;
	rrq->disabled = (rrq->fixed && rrq->value == 0);
	rrq->flags = IW_TXPOW_DBM;
	return 0;
}

#ifdef ATH_REVERSE_ENGINEERING
static int
ieee80211_dump_registers(struct net_device *dev, struct iw_request_info *info, void *w, char *extra)
{
	unsigned int *params = (unsigned int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	switch (params[1]) {
	case 2:
		ic->ic_registers_mark(ic);
		break;
	case 1:
		ic->ic_registers_dump_delta(ic);
		break;
	case 0:
	default:
		ic->ic_registers_dump(ic);
		break;
	}
	return 0;
}
#endif /* #ifdef ATH_REVERSE_ENGINEERING */

#ifdef ATH_REVERSE_ENGINEERING
static int
ieee80211_ioctl_writereg(struct net_device *dev, struct iw_request_info *info, void *w, char *extra)
{
	unsigned int *params = (unsigned int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	return ic->ic_write_register(ic, params[0], params[1]);
}
#endif /* #ifdef ATH_REVERSE_ENGINEERING */

#ifdef ATH_REVERSE_ENGINEERING
static int
ieee80211_ioctl_readreg(struct net_device *dev, struct iw_request_info *info, void *w, char *extra)
{
	unsigned int *params = (unsigned int*) extra;
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	return ic->ic_read_register(ic, params[0], &params[0]);
}
#endif /* #ifdef ATH_REVERSE_ENGINEERING */

struct waplistreq {	/* XXX: not the right place for declaration? */
	struct ieee80211vap *vap;
	struct sockaddr addr[IW_MAX_AP];
	struct iw_quality qual[IW_MAX_AP];
	int i;
};

static int
waplist_cb(void *arg, const struct ieee80211_scan_entry *se)
{
	struct waplistreq *req = arg;
	int i = req->i;

	if (i >= IW_MAX_AP)
		return 0;
	req->addr[i].sa_family = ARPHRD_ETHER;
	if (req->vap->iv_opmode == IEEE80211_M_HOSTAP)
		IEEE80211_ADDR_COPY(req->addr[i].sa_data, se->se_macaddr);
	else
		IEEE80211_ADDR_COPY(req->addr[i].sa_data, se->se_bssid);
	set_quality(&req->qual[i], se->se_rssi, ATH_DEFAULT_NOISE);
	req->i++;

	return 0;
}

static int
ieee80211_ioctl_iwaplist(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct waplistreq req;		/* XXX off stack */

	req.vap = vap;
	req.i = 0;
	ieee80211_scan_iterate(ic, waplist_cb, &req);

	data->length = req.i;
	memcpy(extra, &req.addr, req.i * sizeof(req.addr[0]));
	data->flags = 1;		/* signal quality present (sort of) */
	memcpy(extra + req.i * sizeof(req.addr[0]), &req.qual,
		req.i * sizeof(req.qual[0]));

	return 0;
}

#ifdef SIOCGIWSCAN
static int
ieee80211_ioctl_siwscan(struct net_device *dev,	struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	/*
	 * XXX don't permit a scan to be started unless we
	 * know the device is ready.  For the moment this means
	 * the device is marked up as this is the required to
	 * initialize the hardware.  It would be better to permit
	 * scanning prior to being up but that'll require some
	 * changes to the infrastructure.
	 */
	if (!IS_UP(vap->iv_dev))
		return -ENETDOWN;
	/* XXX always manual... */
	IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
		"%s: active scan request\n", __func__);
	preempt_scan(dev, 100, 100);
#if WIRELESS_EXT > 17
	if (data && (data->flags & IW_SCAN_THIS_ESSID)) {
		struct iw_scan_req req;
		struct ieee80211_scan_ssid ssid;
		int copyLength;
		IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
			"%s: SCAN_THIS_ESSID requested\n", __func__);
		if (data->length > sizeof req) {
			copyLength = sizeof req;
		} else {
			copyLength = data->length;
		}
		memset(&req, 0, sizeof req);
		if (copy_from_user(&req, data->pointer, copyLength))
			return -EFAULT;
		memcpy(&ssid.ssid, req.essid, sizeof ssid.ssid);
		ssid.len = req.essid_len;
		IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
				  "%s: requesting scan of essid '%s'\n", __func__, ssid.ssid);
		(void) ieee80211_start_scan(vap,
			IEEE80211_SCAN_ACTIVE |
			IEEE80211_SCAN_NOPICK |
			IEEE80211_SCAN_ONCE, IEEE80211_SCAN_FOREVER,
			1, &ssid);
		return 0;
	}
#endif
	(void) ieee80211_start_scan(vap, IEEE80211_SCAN_ACTIVE |
		IEEE80211_SCAN_NOPICK |	IEEE80211_SCAN_ONCE,
		IEEE80211_SCAN_FOREVER,
		/* XXX use ioctl params */
		vap->iv_des_nssid, vap->iv_des_ssid);
	return 0;
}

/*
 * Encode a WPA or RSN information element as a custom
 * element using the hostap format.
 */
static u_int
encode_ie(void *buf, size_t bufsize, const u_int8_t *ie, size_t ielen,
	const char *leader, size_t leader_len)
{
	u_int8_t *p;
	int i;

	if (bufsize < leader_len)
		return 0;
	p = buf;
	memcpy(p, leader, leader_len);
	bufsize -= leader_len;
	p += leader_len;
	for (i = 0; i < ielen && bufsize > 2; i++) {
		p += sprintf(p, "%02x", ie[i]);
		bufsize -= 2;
	}
	return (i == ielen ? p - (u_int8_t *)buf : 0);
}

struct iwscanreq {		/* XXX: right place for this declaration? */
	struct ieee80211vap *vap;
	char *current_ev;
	char *end_buf;
	int mode;
};

static int
giwscan_cb(void *arg, const struct ieee80211_scan_entry *se)
{
	struct iwscanreq *req = arg;
	struct ieee80211vap *vap = req->vap;
	char *current_ev = req->current_ev;
	char *end_buf = req->end_buf;
	char *last_ev;
#define MAX_IE_LENGTH 64 * 2 + 30
	char buf[MAX_IE_LENGTH];
#ifndef IWEVGENIE
	static const char rsn_leader[] = "rsn_ie=";
	static const char wpa_leader[] = "wpa_ie=";
#endif
	struct iw_event iwe;
	char *current_val;
	int j;

	if (current_ev >= end_buf)
		return E2BIG;
	/* WPA/!WPA sort criteria */
	if ((req->mode != 0) ^ (se->se_wpa_ie != NULL))
		return 0;

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = SIOCGIWAP;
	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
	if (vap->iv_opmode == IEEE80211_M_HOSTAP)
		IEEE80211_ADDR_COPY(iwe.u.ap_addr.sa_data, se->se_macaddr);
	else
		IEEE80211_ADDR_COPY(iwe.u.ap_addr.sa_data, se->se_bssid);
	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);

	/* We ran out of space in the buffer. */
	if (last_ev == current_ev)
	  return E2BIG;

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = SIOCGIWESSID;
	iwe.u.data.flags = 1;
	iwe.u.data.length = se->se_ssid[1];
	current_ev = iwe_stream_add_point(current_ev,
		end_buf, &iwe, (char *) se->se_ssid+2);

	/* We ran out of space in the buffer. */
	if (last_ev == current_ev)
	  return E2BIG;

	if (se->se_capinfo & (IEEE80211_CAPINFO_ESS|IEEE80211_CAPINFO_IBSS)) {
		memset(&iwe, 0, sizeof(iwe));
		last_ev = current_ev;
		iwe.cmd = SIOCGIWMODE;
		iwe.u.mode = se->se_capinfo & IEEE80211_CAPINFO_ESS ?
			IW_MODE_MASTER : IW_MODE_ADHOC;
		current_ev = iwe_stream_add_event(current_ev,
			end_buf, &iwe, IW_EV_UINT_LEN);

		/* We ran out of space in the buffer. */
		if (last_ev == current_ev)
		  return E2BIG;
	}

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = SIOCGIWFREQ;
	iwe.u.freq.m = se->se_chan->ic_freq * 100000;
	iwe.u.freq.e = 1;
	current_ev = iwe_stream_add_event(current_ev,
		end_buf, &iwe, IW_EV_FREQ_LEN);

	/* We ran out of space in the buffer. */
	if (last_ev == current_ev)
	  return E2BIG;

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = IWEVQUAL;
	set_quality(&iwe.u.qual, se->se_rssi, ATH_DEFAULT_NOISE);
	current_ev = iwe_stream_add_event(current_ev,
		end_buf, &iwe, IW_EV_QUAL_LEN);

	/* We ran out of space in the buffer */
	if (last_ev == current_ev)
	  return E2BIG;

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = SIOCGIWENCODE;
	if (se->se_capinfo & IEEE80211_CAPINFO_PRIVACY)
		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
	else
		iwe.u.data.flags = IW_ENCODE_DISABLED;
	iwe.u.data.length = 0;
	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");

	/* We ran out of space in the buffer. */
	if (last_ev == current_ev)
	  return E2BIG;

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = SIOCGIWRATE;
	current_val = current_ev + IW_EV_LCP_LEN;
	/* NB: not sorted, does it matter? */
	for (j = 0; j < se->se_rates[1]; j++) {
		int r = se->se_rates[2 + j] & IEEE80211_RATE_VAL;
		if (r != 0) {
			iwe.u.bitrate.value = r * (1000000 / 2);
			current_val = iwe_stream_add_value(current_ev,
				current_val, end_buf, &iwe,
				IW_EV_PARAM_LEN);
		}
	}
	for (j = 0; j < se->se_xrates[1]; j++) {
		int r = se->se_xrates[2+j] & IEEE80211_RATE_VAL;
		if (r != 0) {
			iwe.u.bitrate.value = r * (1000000 / 2);
			current_val = iwe_stream_add_value(current_ev,
				current_val, end_buf, &iwe,
				IW_EV_PARAM_LEN);
		}
	}
	/* remove fixed header if no rates were added */
	if ((current_val - current_ev) > IW_EV_LCP_LEN) {
		current_ev = current_val;
	} else {
		/* We ran out of space in the buffer. */
		if (last_ev == current_ev)
			return E2BIG;
	}

	memset(&iwe, 0, sizeof(iwe));
	last_ev = current_ev;
	iwe.cmd = IWEVCUSTOM;
	snprintf(buf, sizeof(buf), "bcn_int=%d", se->se_intval);
	iwe.u.data.length = strlen(buf);
	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf);

	/* We ran out of space in the buffer. */
	if (last_ev == current_ev)
	  return E2BIG;

	if (se->se_rsn_ie != NULL) {
	  last_ev = current_ev;
#ifdef IWEVGENIE
		memset(&iwe, 0, sizeof(iwe));
		if ((se->se_rsn_ie[1] + 2) > MAX_IE_LENGTH)
			return E2BIG;
		memcpy(buf, se->se_rsn_ie, se->se_rsn_ie[1] + 2);
		iwe.cmd = IWEVGENIE;
		iwe.u.data.length = se->se_rsn_ie[1] + 2;
#else
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVCUSTOM;
		if (se->se_rsn_ie[0] == IEEE80211_ELEMID_RSN)
			iwe.u.data.length = encode_ie(buf, sizeof(buf),
				se->se_rsn_ie, se->se_rsn_ie[1] + 2,
				rsn_leader, sizeof(rsn_leader) - 1);
#endif
		if (iwe.u.data.length != 0) {
			current_ev = iwe_stream_add_point(current_ev, end_buf,
				&iwe, buf);

			/* We ran out of space in the buffer */
			if (last_ev == current_ev)
			  return E2BIG;
		}
	}

	if (se->se_wpa_ie != NULL) {
	  last_ev = current_ev;
#ifdef IWEVGENIE
		memset(&iwe, 0, sizeof(iwe));
		if ((se->se_wpa_ie[1] + 2) > MAX_IE_LENGTH)
			return E2BIG;
		memcpy(buf, se->se_wpa_ie, se->se_wpa_ie[1] + 2);
		iwe.cmd = IWEVGENIE;
		iwe.u.data.length = se->se_wpa_ie[1] + 2;
#else
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = IWEVCUSTOM;
		iwe.u.data.length = encode_ie(buf, sizeof(buf),
			se->se_wpa_ie, se->se_wpa_ie[1] + 2,
			wpa_leader, sizeof(wpa_leader) - 1);
#endif
		if (iwe.u.data.length != 0) {
			current_ev = iwe_stream_add_point(current_ev, end_buf,
				&iwe, buf);

			/* We ran out of space in the buffer. */
			if (last_ev == current_ev)
			  return E2BIG;
		}

	}
	if (se->se_wme_ie != NULL) {
		static const char wme_leader[] = "wme_ie=";

		memset(&iwe, 0, sizeof(iwe));
		last_ev = current_ev;
		iwe.cmd = IWEVCUSTOM;
		iwe.u.data.length = encode_ie(buf, sizeof(buf),
			se->se_wme_ie, se->se_wme_ie[1] + 2,
			wme_leader, sizeof(wme_leader) - 1);
		if (iwe.u.data.length != 0) {
			current_ev = iwe_stream_add_point(current_ev, end_buf,
				&iwe, buf);

			/* We ran out of space in the buffer. */
			if (last_ev == current_ev)
			  return E2BIG;
		}
	}
	if (se->se_ath_ie != NULL) {
		static const char ath_leader[] = "ath_ie=";

		memset(&iwe, 0, sizeof(iwe));
		last_ev = current_ev;
		iwe.cmd = IWEVCUSTOM;
		iwe.u.data.length = encode_ie(buf, sizeof(buf),
			se->se_ath_ie, se->se_ath_ie[1] + 2,
			ath_leader, sizeof(ath_leader) - 1);
		if (iwe.u.data.length != 0) {
			current_ev = iwe_stream_add_point(current_ev, end_buf,
				&iwe, buf);

			/* We ran out of space in the buffer. */
			if (last_ev == current_ev)
			  return E2BIG;
		}
	}
	req->current_ev = current_ev;

	return 0;
}

static int
ieee80211_ioctl_giwscan(struct net_device *dev,	struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct iwscanreq req;
	int res = 0;

	req.vap = vap;
	req.current_ev = extra;
	if (data->length == 0) {
		req.end_buf = extra + IW_SCAN_MAX_DATA;
	} else {
		req.end_buf = extra + data->length;
	}

	/*
	 * NB: This is no longer needed, as long as the caller supports
	 * large scan results.
	 *
	 * Do two passes to ensure WPA/non-WPA scan candidates
	 * are sorted to the front.  This is a hack to deal with
	 * the wireless extensions capping scan results at
	 * IW_SCAN_MAX_DATA bytes.  In densely populated environments
	 * it's easy to overflow this buffer (especially with WPA/RSN
	 * information elements).  Note this sorting hack does not
	 * guarantee we won't overflow anyway.
	 */
	req.mode = vap->iv_flags & IEEE80211_F_WPA;
	res = ieee80211_scan_iterate(ic, giwscan_cb, &req);
	if (res == 0) {
		req.mode = req.mode ? 0 : IEEE80211_F_WPA;
		res = ieee80211_scan_iterate(ic, giwscan_cb, &req);
	}

	data->length = req.current_ev - extra;

	if (res != 0) {
		return -res;
	}

	return res;
}
#endif /* SIOCGIWSCAN */

static int
cipher2cap(int cipher)
{
	switch (cipher) {
	case IEEE80211_CIPHER_WEP:	return IEEE80211_C_WEP;
	case IEEE80211_CIPHER_AES_OCB:	return IEEE80211_C_AES;
	case IEEE80211_CIPHER_AES_CCM:	return IEEE80211_C_AES_CCM;
	case IEEE80211_CIPHER_CKIP:	return IEEE80211_C_CKIP;
	case IEEE80211_CIPHER_TKIP:	return IEEE80211_C_TKIP;
	}
	return 0;
}

#define	IEEE80211_MODE_TURBO_STATIC_A	IEEE80211_MODE_MAX

static int
ieee80211_convert_mode(const char *mode)
{
#define TOUPPER(c) ((((c) > 0x60) && ((c) < 0x7b)) ? ((c) - 0x20) : (c))
	static const struct {
		char *name;
		int mode;
	} mappings[] = {
		/* NB: need to order longest strings first for overlaps */
		{ "11AST" , IEEE80211_MODE_TURBO_STATIC_A },
		{ "AUTO"  , IEEE80211_MODE_AUTO },
		{ "11A"   , IEEE80211_MODE_11A },
		{ "11B"   , IEEE80211_MODE_11B },
		{ "11G"   , IEEE80211_MODE_11G },
		{ "FH"    , IEEE80211_MODE_FH },
		{ "0"     , IEEE80211_MODE_AUTO },
		{ "1"     , IEEE80211_MODE_11A },
		{ "2"     , IEEE80211_MODE_11B },
		{ "3"     , IEEE80211_MODE_11G },
		{ "4"     , IEEE80211_MODE_FH },
		{ "5"     , IEEE80211_MODE_TURBO_STATIC_A },
		{ NULL }
	};
	int i, j;
	const char *cp;

	for (i = 0; mappings[i].name != NULL; i++) {
		cp = mappings[i].name;
		for (j = 0; j < strlen(mode) + 1; j++) {
			/* convert user-specified string to upper case */
			if (TOUPPER(mode[j]) != cp[j])
				break;
			if (cp[j] == '\0')
				return mappings[i].mode;
		}
	}
	return -1;
#undef TOUPPER
}

static int
ieee80211_ioctl_setmode(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *wri, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ifreq ifr;
	char s[6];		/* big enough for ``11adt'' */
	int retv, mode, ifr_mode;

	if (ic->ic_media.ifm_cur == NULL)
		return -EINVAL;			/* XXX: Wrong error */
	if (wri->length > sizeof(s))		/* silently truncate */
		wri->length = sizeof(s);
	if (copy_from_user(s, wri->pointer, wri->length))
		return -EFAULT;
	s[sizeof(s) - 1] = '\0';		/* ensure null termination */
	mode = ieee80211_convert_mode(s);
	if (mode < 0)
		return -EINVAL;

	if (ieee80211_check_mode_consistency(ic, mode, vap->iv_des_chan)) {
		/*
		 * error in AP mode.
		 * overwrite channel selection in other modes.
		 */
		if (vap->iv_opmode == IEEE80211_M_HOSTAP)
			return -EINVAL;
		else
			vap->iv_des_chan = IEEE80211_CHAN_ANYC;
	}

	ifr_mode = mode;
	memset(&ifr, 0, sizeof(ifr));
	ifr.ifr_media = ic->ic_media.ifm_cur->ifm_media & ~IFM_MMASK;
	if (mode == IEEE80211_MODE_TURBO_STATIC_A)
		ifr_mode = IEEE80211_MODE_11A;
	ifr.ifr_media |= IFM_MAKEMODE(ifr_mode);

	retv = ifmedia_ioctl(ic->ic_dev, &ifr, &ic->ic_media, SIOCSIFMEDIA);
	if ((!retv || retv == -ENETRESET) && (mode != vap->iv_des_mode)) {
		if (preempt_scan(dev, 100, 100))
			ieee80211_scan_flush(ic);	/* NB: could optimize */
		else
			return -ETIMEDOUT;

		vap->iv_des_mode = mode;
		if (IS_UP_AUTO(vap))
			ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);

		retv = 0;
	}

#ifdef ATH_SUPERG_XR
	/* set the same params on the xr vap device if exists */
	if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))
		vap->iv_xrvap->iv_des_mode = mode;
#endif

	return -retv;
}
#undef IEEE80211_MODE_TURBO_STATIC_A

#ifdef ATH_SUPERG_XR
static void
ieee80211_setupxr(struct ieee80211vap *vap)
{
	struct net_device *dev = vap->iv_dev;
	struct ieee80211com *ic = vap->iv_ic;
	if (!(vap->iv_flags & IEEE80211_F_XR)) {
		if ((vap->iv_ath_cap & IEEE80211_ATHC_XR) && !vap->iv_xrvap) {
			struct ieee80211vap *xrvap = NULL;
			char name[IFNAMSIZ];
			strcpy(name, dev->name);
			strcat(name, "-xr");
			/*
			 * Create a new XR vap. If the normal VAP is already up,
			 * bring up the XR vap aswell.
			 */
			vap->iv_ath_cap &= ~IEEE80211_ATHC_TURBOP; /* turn off turbo */
			ieee80211_scan_flush(ic);	/* NB: could optimize */

			if (!(xrvap = ic->ic_vap_create(ic, name, IEEE80211_M_HOSTAP,
				IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev)))
				return;

			/* We use iv_xrvap to link to the parent VAP as well */
			xrvap->iv_xrvap = vap;
			xrvap->iv_ath_cap = vap->iv_ath_cap;
			xrvap->iv_fragthreshold = IEEE80211_XR_FRAG_THRESHOLD;
			xrvap->iv_des_mode = vap->iv_des_mode;
			copy_des_ssid(xrvap, vap);

			vap->iv_xrvap = xrvap;
		} else if (!(vap->iv_ath_cap & IEEE80211_ATHC_XR) && vap->iv_xrvap) {
			/*
			 * Destroy the XR vap. If the XR VAP is up, bring
			 * it down before destroying.
			 */
			if (vap->iv_xrvap) {
				ieee80211_stop(vap->iv_xrvap->iv_dev);
				ic->ic_vap_delete(vap->iv_xrvap);
			}
			vap->iv_xrvap = NULL;
		}
	}
}
#endif

static int
ieee80211_setathcap(struct ieee80211vap *vap, int cap, int setting)
{
	struct ieee80211com *ic = vap->iv_ic;
	int ocap;

	if ((ic->ic_ath_cap & cap) == 0)
		return EINVAL;
	ocap = vap->iv_ath_cap;
	if (setting)
		vap->iv_ath_cap |= cap;
	else
		vap->iv_ath_cap &= ~cap;
	return (vap->iv_ath_cap != ocap ? ENETRESET : 0);
}

static int
ieee80211_set_turbo(struct net_device *dev, int flag)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ifreq ifr;
	struct ieee80211vap *tmpvap = dev->priv;
	int nvap = 0;

	TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next)
		nvap++;
	if ((nvap > 1) && flag)
		return -EINVAL;
	ifr.ifr_media = ic->ic_media.ifm_cur->ifm_media &~ IFM_MMASK;
	if (flag)
		ifr.ifr_media |= IFM_IEEE80211_TURBO;
	else
		ifr.ifr_media &= ~IFM_IEEE80211_TURBO;
	(void) ifmedia_ioctl(ic->ic_dev, &ifr, &ic->ic_media, SIOCSIFMEDIA);

	return 0;
}

static int
ieee80211_ioctl_setparam(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_rsnparms *rsn = &vap->iv_bss->ni_rsn;
	unsigned int *i = (unsigned int *) extra;
	unsigned int param = i[0];		/* parameter id is 1st */
	unsigned int value = i[1];		/* NB: most values are TYPE_INT */
	int retv = 0;
	int j, caps, bmiss;
	const struct ieee80211_authenticator *auth;
	const struct ieee80211_aclator *acl;

	switch (param) {
	case IEEE80211_PARAM_AUTHMODE:
		switch (value) {
		case IEEE80211_AUTH_WPA:	/* WPA */
		case IEEE80211_AUTH_8021X:	/* 802.1x */
		case IEEE80211_AUTH_OPEN:	/* open */
		case IEEE80211_AUTH_SHARED:	/* shared-key */
		case IEEE80211_AUTH_AUTO:	/* auto */
			auth = ieee80211_authenticator_get(value);
			if (auth == NULL)
				return -EINVAL; /* XXX: Wrong error */
			break;
		default:
			return -EINVAL;
		}
		switch (value) {
		case IEEE80211_AUTH_WPA:	/* WPA w/ 802.1x */
			value = IEEE80211_AUTH_8021X;
			break;
		case IEEE80211_AUTH_OPEN:	/* open */
			vap->iv_flags &= ~(IEEE80211_F_WPA);
			break;
		case IEEE80211_AUTH_SHARED:	/* shared-key */
		case IEEE80211_AUTH_AUTO:	/* auto */
		case IEEE80211_AUTH_8021X:	/* 802.1x */
			vap->iv_flags &= ~IEEE80211_F_WPA;
			break;
		}
		/* NB: authenticator attach/detach happens on state change */
		vap->iv_bss->ni_authmode = value;
		/* XXX mixed/mode/usage? */
		vap->iv_auth = auth;
		retv = ENETRESET;
		break;
	case IEEE80211_PARAM_PROTMODE:
		if (value > IEEE80211_PROT_RTSCTS)
			return -EINVAL;
		ic->ic_protmode = value;
		/* NB: if not operating in 11g this can wait */
		if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
		    IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_RSSI_EWMA:
		ic->ic_rssi_ewma = value;
		break;
	case IEEE80211_PARAM_MCASTCIPHER:
		if ((vap->iv_caps & cipher2cap(value)) == 0 &&
		    !ieee80211_crypto_available(vap, value))
			return -EINVAL;
		rsn->rsn_mcastcipher = value;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_MCASTKEYLEN:
		if (value > IEEE80211_KEYBUF_SIZE)
			return -EINVAL;
		/* XXX no way to verify driver capability */
		rsn->rsn_mcastkeylen = value;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_UCASTCIPHERS:
		/*
		 * NB: this logic intentionally ignores unknown and
		 * unsupported ciphers so folks can specify 0xff or
		 * similar and get all available ciphers.
		 */
		/* caps are really ciphers */
		caps = 0;
		for (j = 1; j < 32; j++)	/* NB: skip WEP */
			if ((value & (1 << j)) &&
			    ((vap->iv_caps & cipher2cap(j)) ||
			     ieee80211_crypto_available(vap, j)))
				caps |= 1 << j;
		if (caps == 0)			/* nothing available */
			return -EINVAL;
		/* XXX verify ciphers ok for unicast use? */
		/* XXX disallow if running as it'll have no effect */
		rsn->rsn_ucastcipherset = caps;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_UCASTCIPHER:
		if (!(vap->iv_caps & cipher2cap(value)) &&
		    !ieee80211_crypto_available(vap, value))
			return -EINVAL;
		rsn->rsn_ucastcipher = value;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_UCASTKEYLEN:
		if (value > IEEE80211_KEYBUF_SIZE)
			return -EINVAL;
		/* XXX no way to verify driver capability */
		rsn->rsn_ucastkeylen = value;
		break;
	case IEEE80211_PARAM_KEYMGTALGS:
		/* XXX check */
		rsn->rsn_keymgmtset = value;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_RSNCAPS:
		/* XXX check */
		rsn->rsn_caps = value;
		if (vap->iv_flags & IEEE80211_F_WPA)
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_WPA:
		if (value > 3)
			return -EINVAL;
		/* XXX verify ciphers available */
		vap->iv_flags &= ~IEEE80211_F_WPA;
		switch (value) {
		case 1:
			vap->iv_flags |= IEEE80211_F_WPA1;
			break;
		case 2:
			vap->iv_flags |= IEEE80211_F_WPA2;
			break;
		case 3:
			vap->iv_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
			break;
		}
		retv = ENETRESET;		/* XXX? */
		break;
	case IEEE80211_PARAM_ROAMING:
		switch (value) {
		case IEEE80211_ROAMING_DEVICE:
		case IEEE80211_ROAMING_AUTO:
		case IEEE80211_ROAMING_MANUAL:
			ic->ic_roaming = value;
			break;
		default:
			return -EINVAL;
		}
		break;
	case IEEE80211_PARAM_PRIVACY:
		if (value) {
			/* XXX check for key state? */
			vap->iv_flags |= IEEE80211_F_PRIVACY;
		} else
			vap->iv_flags &= ~IEEE80211_F_PRIVACY;
		break;
	case IEEE80211_PARAM_DROPUNENCRYPTED:
		if (value)
			vap->iv_flags |= IEEE80211_F_DROPUNENC;
		else
			vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
		break;
	case IEEE80211_PARAM_DROPUNENC_EAPOL:
		if (value)
			IEEE80211_VAP_DROPUNENC_EAPOL_ENABLE(vap);
		else
			IEEE80211_VAP_DROPUNENC_EAPOL_DISABLE(vap);
		break;
	case IEEE80211_PARAM_COUNTERMEASURES:
		if (value) {
			if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
				return -EINVAL;
			vap->iv_flags |= IEEE80211_F_COUNTERM;
		} else
			vap->iv_flags &= ~IEEE80211_F_COUNTERM;
		break;
	case IEEE80211_PARAM_DRIVER_CAPS:
		vap->iv_caps = value;		/* NB: for testing */
		break;
	case IEEE80211_PARAM_MACCMD:
		acl = vap->iv_acl;
		switch (value) {
		case IEEE80211_MACCMD_POLICY_OPEN:
		case IEEE80211_MACCMD_POLICY_ALLOW:
		case IEEE80211_MACCMD_POLICY_DENY:
			if (acl == NULL) {
				acl = ieee80211_aclator_get("mac");
				if (acl == NULL || !acl->iac_attach(vap))
					return -EINVAL;
				vap->iv_acl = acl;
			}
			acl->iac_setpolicy(vap, value);
			break;
		case IEEE80211_MACCMD_FLUSH:
			if (acl != NULL)
				acl->iac_flush(vap);
			/* NB: silently ignore when not in use */
			break;
		case IEEE80211_MACCMD_DETACH:
			if (acl != NULL) {
				vap->iv_acl = NULL;
				acl->iac_detach(vap);
			}
			break;
		}
		break;
	case IEEE80211_PARAM_WMM:
		if (ic->ic_caps & IEEE80211_C_WME){
			retv = ENETRESET;	/* Renegotiate for capabilities */
			
			if (value) {
				/* All TKIP keys need resetting to use software MIC.
				 * They aren't, so this is disabled.
				 * XXX: Can never turn it back on. */
				if (!(vap->iv_ic->ic_caps & IEEE80211_C_WME_TKIPMIC))
					retv = EBUSY;
				else {
					vap->iv_flags |= IEEE80211_F_WME;
					vap->iv_ic->ic_flags |= IEEE80211_F_WME;
				}
			} else {
				vap->iv_flags &= ~IEEE80211_F_WME;
				
				{
					struct ieee80211vap *v = NULL;
					int all = 1;
					
					TAILQ_FOREACH(v, &vap->iv_ic->ic_vaps, iv_next) {
						if (v->iv_flags & IEEE80211_F_WME) {
							all = 0;
							break;
						}
					}

					if (all)
						vap->iv_ic->ic_flags &= ~IEEE80211_F_WME;
				}
			}
		}

		break;
	case IEEE80211_PARAM_HIDESSID:
		if (value)
			vap->iv_flags |= IEEE80211_F_HIDESSID;
		else
			vap->iv_flags &= ~IEEE80211_F_HIDESSID;
		retv = ENETRESET;
		break;
	case IEEE80211_PARAM_APBRIDGE:
		if (value == 0)
			vap->iv_flags |= IEEE80211_F_NOBRIDGE;
		else
			vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
		break;
	case IEEE80211_PARAM_INACT:
		vap->iv_inact_run = value / IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_INACT_AUTH:
		vap->iv_inact_auth = value / IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_INACT_INIT:
		vap->iv_inact_init = value / IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_ABOLT:
		caps = 0;
		/*
		 * Map abolt settings to capability bits;
		 * this also strips unknown/unwanted bits.
		 */
		if (value & IEEE80211_ABOLT_TURBO_PRIME)
			caps |= IEEE80211_ATHC_TURBOP;
		if (value & IEEE80211_ABOLT_COMPRESSION)
			caps |= IEEE80211_ATHC_COMP;
		if (value & IEEE80211_ABOLT_FAST_FRAME)
			caps |= IEEE80211_ATHC_FF;
		if (value & IEEE80211_ABOLT_XR)
			caps |= IEEE80211_ATHC_XR;
		if (value & IEEE80211_ABOLT_AR)
			caps |= IEEE80211_ATHC_AR;
		if (value & IEEE80211_ABOLT_BURST)
			caps |= IEEE80211_ATHC_BURST;
		/* verify requested capabilities are supported */
		if ((caps & ic->ic_ath_cap) != caps)
			return -EINVAL;
		if (vap->iv_ath_cap != caps) {
			if ((vap->iv_ath_cap ^ caps) & IEEE80211_ATHC_TURBOP) {
				/* no turbo and XR at the same time */
				if ((caps & IEEE80211_ATHC_TURBOP) && 
						(caps & IEEE80211_ATHC_XR))
					return -EINVAL;
				if (ieee80211_set_turbo(dev, 
						(caps & IEEE80211_ATHC_TURBOP)))
					return -EINVAL;
				ieee80211_scan_flush(ic);
			}
			vap->iv_ath_cap = caps;
#ifdef ATH_SUPERG_XR
			ieee80211_setupxr(vap);
#endif
			retv = ENETRESET;
		}
		break;
	case IEEE80211_PARAM_DTIM_PERIOD:
		if ((vap->iv_opmode != IEEE80211_M_HOSTAP) &&
		    (vap->iv_opmode != IEEE80211_M_IBSS))
			return -EOPNOTSUPP;
		if ((IEEE80211_DTIM_MIN <= value) &&
		    (value <= IEEE80211_DTIM_MAX)) {
			vap->iv_dtim_period = value;
			retv = ENETRESET;		/* requires restart */
		} else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_BEACON_MISS_THRESH_MS:
		if ((vap->iv_opmode != IEEE80211_M_IBSS) &&
		    (vap->iv_opmode != IEEE80211_M_STA))
			return -EOPNOTSUPP;
		/* Convert ms to TU to next highest integral # beacons */
		bmiss = howmany(IEEE80211_MS_TO_TU(value), ic->ic_lintval);
		if (IEEE80211_BMISSTHRESH_VALID(bmiss)) {
			ic->ic_bmissthreshold = bmiss;
			retv = ENETRESET;		/* requires restart */
		} else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_BEACON_MISS_THRESH:
		if ((vap->iv_opmode != IEEE80211_M_IBSS) &&
		    (vap->iv_opmode != IEEE80211_M_STA))
			return -EOPNOTSUPP;
		if (IEEE80211_BMISSTHRESH_VALID(value)) {
			ic->ic_bmissthreshold = value;
			retv = ENETRESET;		/* requires restart */
		} else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_BEACON_INTERVAL:
		if ((vap->iv_opmode != IEEE80211_M_HOSTAP) &&
		    (vap->iv_opmode != IEEE80211_M_IBSS))
			return -EOPNOTSUPP;
		if (IEEE80211_BINTVAL_VALID(value)) {
			/* Convert ms to TU to next highest integral 
			 * # beacons. */
			bmiss = howmany(ic->ic_bmissthreshold * 
					ic->ic_lintval, value);
			/* Adjust beacon miss interval during a beacon interval
			 * change so that the duration of missed beacons allowed
			 * is greater than or equal to the old allowed duration 
			 * of missed beacons.  */
			ic->ic_bmissthreshold = bmiss;
			ic->ic_lintval = value;
			retv = ENETRESET;		/* requires restart */
		} else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_DOTH:
		if (value)
			ic->ic_flags |= IEEE80211_F_DOTH;
		else
			ic->ic_flags &= ~IEEE80211_F_DOTH;
		retv = ENETRESET;	/* XXX: need something this drastic? */
		break;
	case IEEE80211_PARAM_SHPREAMBLE:
		if (value) {
			ic->ic_caps |= IEEE80211_C_SHPREAMBLE;
			ic->ic_flags |= IEEE80211_F_SHPREAMBLE;
			ic->ic_flags &= ~IEEE80211_F_USEBARKER;
		} else {
			ic->ic_caps &= ~IEEE80211_C_SHPREAMBLE;
			ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE;
			ic->ic_flags |= IEEE80211_F_USEBARKER;
		}
		retv = ENETRESET;	/* requires restart */
		break;
	case IEEE80211_PARAM_PWRTARGET:
		ic->ic_curchanmaxpwr = value;
		break;
	case IEEE80211_PARAM_GENREASSOC:
		IEEE80211_SEND_MGMT(vap->iv_bss, IEEE80211_FC0_SUBTYPE_REASSOC_REQ, 0);
		break;
	case IEEE80211_PARAM_DOTH_ALGORITHM:
		ic->ic_sc_algorithm = value;
		break;
	case IEEE80211_PARAM_DOTH_MINCOM:
		ic->ic_sc_mincom = value;
		break;
	case IEEE80211_PARAM_DOTH_SLCG:
		ic->ic_sc_slcg = value;
		break;
	case IEEE80211_PARAM_DOTH_SLDG:
		ic->ic_sc_sldg = value;
		break;
	case IEEE80211_PARAM_DFS_TESTMODE:
		ieee80211_set_dfs_testmode(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT:
		ieee80211_set_txcont(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT_RATE:
		ieee80211_set_txcont_rate(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT_POWER:
		ieee80211_set_txcont_power(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_DFS_CACTIME:
		ieee80211_set_dfs_cac_time(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_DFS_EXCLPERIOD:
		ieee80211_set_dfs_excl_period(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_COMPRESSION:
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_COMP, value);
		break;
	case IEEE80211_PARAM_FF:
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_FF, value);
		break;
	case IEEE80211_PARAM_TURBO:
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_TURBOP, value);
		if (retv == ENETRESET) {
			/* no turbo and XR at the same time */
			if ((vap->iv_ath_cap & IEEE80211_ATHC_XR) && value)
				return -EINVAL;
			if (ieee80211_set_turbo(dev, value))
				return -EINVAL;
			ieee80211_scan_flush(ic);
		}
		break;
	case IEEE80211_PARAM_XR:
		/* no turbo and XR at the same time */
		if ((vap->iv_ath_cap & IEEE80211_ATHC_TURBOP) && value)
			return -EINVAL;
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_XR, value);
#ifdef ATH_SUPERG_XR
		ieee80211_setupxr(vap);
#endif
		break;
	case IEEE80211_PARAM_BURST:
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_BURST, value);
		break;
	case IEEE80211_PARAM_AR:
		retv = ieee80211_setathcap(vap, IEEE80211_ATHC_AR, value);
		break;
	case IEEE80211_PARAM_PUREG:
		if (value)
			vap->iv_flags |= IEEE80211_F_PUREG;
		else
			vap->iv_flags &= ~IEEE80211_F_PUREG;
		/* NB: reset only if we're operating on an 11g channel */
		if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
		    IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
			retv = ENETRESET;
		break;
	case IEEE80211_PARAM_WDS:
		if ((vap->iv_opmode == IEEE80211_M_IBSS) ||
				(vap->iv_opmode == IEEE80211_M_AHDEMO))
			return -EOPNOTSUPP;
		if (value)
			vap->iv_flags_ext |= IEEE80211_FEXT_WDS;
		else
			vap->iv_flags_ext &= ~IEEE80211_FEXT_WDS;
		break;
	case IEEE80211_PARAM_BGSCAN:
		if (value) {
			if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
				return -EINVAL;
			vap->iv_flags |= IEEE80211_F_BGSCAN;
		} else {
			/* XXX racey? */
			vap->iv_flags &= ~IEEE80211_F_BGSCAN;
			ieee80211_cancel_scan(vap);	/* anything current */
		}
		break;
	case IEEE80211_PARAM_BGSCAN_IDLE:
		if (value >= IEEE80211_BGSCAN_IDLE_MIN)
			vap->iv_bgscanidle = msecs_to_jiffies(value);
		else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_BGSCAN_INTERVAL:
		if (value >= IEEE80211_BGSCAN_INTVAL_MIN)
			vap->iv_bgscanintvl = value * HZ;
		else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_MCAST_RATE:
		/* units are in KILObits per second */
		if (value >= 256 && value <= 54000)
			vap->iv_mcast_rate = value;
		else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_COVERAGE_CLASS:
		if (value <= IEEE80211_COVERAGE_CLASS_MAX) {
			ic->ic_coverageclass = value;
			if (IS_UP_AUTO(vap))
				ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
			retv = 0;
		} else
			retv = EINVAL;
		break;
	case IEEE80211_PARAM_COUNTRY_IE:
		if (value)
			ic->ic_flags_ext |= IEEE80211_FEXT_COUNTRYIE;
		else
			ic->ic_flags_ext &= ~IEEE80211_FEXT_COUNTRYIE;
		retv = ENETRESET;
		break;
	case IEEE80211_PARAM_REGCLASS:
		if (value)
			ic->ic_flags_ext |= IEEE80211_FEXT_REGCLASS;
		else
			ic->ic_flags_ext &= ~IEEE80211_FEXT_REGCLASS;
		retv = ENETRESET;
		break;
	case IEEE80211_PARAM_SCANVALID:
		vap->iv_scanvalid = value * HZ;
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11A:
		vap->iv_roam.rssi11a = value;
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11B:
		vap->iv_roam.rssi11bOnly = value;
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11G:
		vap->iv_roam.rssi11b = value;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11A:
		vap->iv_roam.rate11a = value;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11B:
		vap->iv_roam.rate11bOnly = value;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11G:
		vap->iv_roam.rate11b = value;
		break;
	case IEEE80211_PARAM_UAPSDINFO:
		if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
			if (ic->ic_caps & IEEE80211_C_UAPSD) {
				if (value)
					IEEE80211_VAP_UAPSD_ENABLE(vap);
				else
					IEEE80211_VAP_UAPSD_DISABLE(vap);
				retv = ENETRESET;
			}
		} else if (vap->iv_opmode == IEEE80211_M_STA) {
			vap->iv_uapsdinfo = value;
			IEEE80211_VAP_UAPSD_ENABLE(vap);
			retv = ENETRESET;
		}
		break;
	case IEEE80211_PARAM_SLEEP:
		/* XXX: Forced sleep for testing. Does not actually place the
		 *      HW in sleep mode yet. this only makes sense for STAs.
		 */
		if (value) {
			/* goto sleep */
			IEEE80211_VAP_GOTOSLEEP(vap);
		} else {
			/* wakeup */
			IEEE80211_VAP_WAKEUP(vap);
		}
		ieee80211_send_nulldata(ieee80211_ref_node(vap->iv_bss));
		break;
	case IEEE80211_PARAM_QOSNULL:
		/* Force a QoS Null for testing. */
		ieee80211_send_qosnulldata(vap->iv_bss, value);
		break;
	case IEEE80211_PARAM_PSPOLL:
		/* Force a PS-POLL for testing. */
		ieee80211_send_pspoll(vap->iv_bss);
		break;
	case IEEE80211_PARAM_EOSPDROP:
		if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
			if (value)
				IEEE80211_VAP_EOSPDROP_ENABLE(vap);
			else
				IEEE80211_VAP_EOSPDROP_DISABLE(vap);
		}
		break;
	case IEEE80211_PARAM_MARKDFS:
		if (value)
			ic->ic_flags_ext |= IEEE80211_FEXT_MARKDFS;
		else
			ic->ic_flags_ext &= ~IEEE80211_FEXT_MARKDFS;
		break;
#ifdef ATH_REVERSE_ENGINEERING
	case IEEE80211_PARAM_DUMPREGS:
		ieee80211_dump_registers(dev, info, w, extra);
		break;
#endif /* #ifdef ATH_REVERSE_ENGINEERING */
	default:
		retv = EOPNOTSUPP;
		break;
	}
#ifdef ATH_SUPERG_XR
	/* set the same params on the xr vap device if exists */
	if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR)) {
		ieee80211_ioctl_setparam(vap->iv_xrvap->iv_dev, info, w, extra);
		/* XR vap does not support any superG features */
		vap->iv_xrvap->iv_ath_cap &= IEEE80211_ATHC_XR;
	}
	/*
	 * do not reset the xr vap , which is automatically 
	 * reset by the state machine now.
	 */
	if (!vap->iv_xrvap || (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))) {
		if (retv == ENETRESET)
			retv = IS_UP_AUTO(vap) ? ieee80211_open(vap->iv_dev) : 0;
	}
#else
	/* XXX should any of these cause a rescan? */
	if (retv == ENETRESET)
		retv = IS_UP_AUTO(vap) ? ieee80211_open(vap->iv_dev) : 0;
#endif
	return -retv;
}

#if 0
static int
cap2cipher(int flag)
{
	switch (flag) {
	case IEEE80211_C_WEP:		return IEEE80211_CIPHER_WEP;
	case IEEE80211_C_AES:		return IEEE80211_CIPHER_AES_OCB;
	case IEEE80211_C_AES_CCM:	return IEEE80211_CIPHER_AES_CCM;
	case IEEE80211_C_CKIP:		return IEEE80211_CIPHER_CKIP;
	case IEEE80211_C_TKIP:		return IEEE80211_CIPHER_TKIP;
	}
	return -1;
}
#endif

static int
ieee80211_ioctl_getmode(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *wri, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ifmediareq imr;

	ic->ic_media.ifm_status(ic->ic_dev, &imr);
	switch (IFM_MODE(imr.ifm_active)) {
	case IFM_IEEE80211_11A:
		strcpy(extra, "11a");
		break;
	case IFM_IEEE80211_11B:
		strcpy(extra, "11b");
		break;
	case IFM_IEEE80211_11G:
		strcpy(extra, "11g");
		break;
	case IFM_IEEE80211_FH:
		strcpy(extra, "FH");
		break;
	case IFM_AUTO:
		strcpy(extra, "auto");
		break;
	default:
		return -EINVAL;
	}
	if (ic->ic_media.ifm_media & IFM_IEEE80211_TURBO) {
		if (vap->iv_ath_cap & IEEE80211_ATHC_TURBOP)
			strcat(extra, "T");
		else
			strcat(extra, "ST");
	}
	wri->length = strlen(extra);
	return 0;
}

static int
ieee80211_ioctl_getparam(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_rsnparms *rsn = &vap->iv_bss->ni_rsn;
	unsigned int *param = (unsigned int *) extra;

	switch (param[0]) {
	case IEEE80211_PARAM_AUTHMODE:
		if (vap->iv_flags & IEEE80211_F_WPA)
			param[0] = IEEE80211_AUTH_WPA;
		else
			param[0] = vap->iv_bss->ni_authmode;
		break;
	case IEEE80211_PARAM_PROTMODE:
		param[0] = ic->ic_protmode;
		break;
	case IEEE80211_PARAM_RSSI_EWMA:
		param[0] = ic->ic_rssi_ewma;
		break;
	case IEEE80211_PARAM_MCASTCIPHER:
		param[0] = rsn->rsn_mcastcipher;
		break;
	case IEEE80211_PARAM_MCASTKEYLEN:
		param[0] = rsn->rsn_mcastkeylen;
		break;
	case IEEE80211_PARAM_UCASTCIPHERS:
		param[0] = rsn->rsn_ucastcipherset;
		break;
	case IEEE80211_PARAM_UCASTCIPHER:
		param[0] = rsn->rsn_ucastcipher;
		break;
	case IEEE80211_PARAM_UCASTKEYLEN:
		param[0] = rsn->rsn_ucastkeylen;
		break;
	case IEEE80211_PARAM_KEYMGTALGS:
		param[0] = rsn->rsn_keymgmtset;
		break;
	case IEEE80211_PARAM_RSNCAPS:
		param[0] = rsn->rsn_caps;
		break;
	case IEEE80211_PARAM_WPA:
		switch (vap->iv_flags & IEEE80211_F_WPA) {
		case IEEE80211_F_WPA1:
			param[0] = 1;
			break;
		case IEEE80211_F_WPA2:
			param[0] = 2;
			break;
		case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
			param[0] = 3;
			break;
		default:
			param[0] = 0;
			break;
		}
		break;
	case IEEE80211_PARAM_ROAMING:
		param[0] = ic->ic_roaming;
		break;
	case IEEE80211_PARAM_PRIVACY:
		param[0] = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
		break;
	case IEEE80211_PARAM_DROPUNENCRYPTED:
		param[0] = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
		break;
	case IEEE80211_PARAM_DROPUNENC_EAPOL:
		param[0] = IEEE80211_VAP_DROPUNENC_EAPOL(vap);
		break;
	case IEEE80211_PARAM_COUNTERMEASURES:
		param[0] = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
		break;
	case IEEE80211_PARAM_DRIVER_CAPS:
		param[0] = vap->iv_caps;
		break;
	case IEEE80211_PARAM_WMM:
		param[0] = (vap->iv_flags & IEEE80211_F_WME) != 0;
		break;
	case IEEE80211_PARAM_HIDESSID:
		param[0] = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
		break;
	case IEEE80211_PARAM_APBRIDGE:
		param[0] = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
		break;
	case IEEE80211_PARAM_INACT:
		param[0] = vap->iv_inact_run * IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_INACT_AUTH:
		param[0] = vap->iv_inact_auth * IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_INACT_INIT:
		param[0] = vap->iv_inact_init * IEEE80211_INACT_WAIT;
		break;
	case IEEE80211_PARAM_ABOLT:
		/*
		 * Map capability bits to abolt settings.
		 */
		param[0] = 0;
		if (vap->iv_ath_cap & IEEE80211_ATHC_COMP)
			param[0] |= IEEE80211_ABOLT_COMPRESSION;
		if (vap->iv_ath_cap & IEEE80211_ATHC_FF)
			param[0] |= IEEE80211_ABOLT_FAST_FRAME;
		if (vap->iv_ath_cap & IEEE80211_ATHC_XR)
			param[0] |= IEEE80211_ABOLT_XR;
		if (vap->iv_ath_cap & IEEE80211_ATHC_BURST)
			param[0] |= IEEE80211_ABOLT_BURST;
		if (vap->iv_ath_cap & IEEE80211_ATHC_TURBOP)
			param[0] |= IEEE80211_ABOLT_TURBO_PRIME;
		if (vap->iv_ath_cap & IEEE80211_ATHC_AR)
			param[0] |= IEEE80211_ABOLT_AR;
		break;
	case IEEE80211_PARAM_COMPRESSION:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_COMP) != 0;
		break;
	case IEEE80211_PARAM_FF:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_FF) != 0;
		break;
	case IEEE80211_PARAM_XR:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_XR) != 0;
		break;
	case IEEE80211_PARAM_BURST:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_BURST) != 0;
		break;
	case IEEE80211_PARAM_AR:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_AR) != 0;
		break;
	case IEEE80211_PARAM_TURBO:
		param[0] = (vap->iv_ath_cap & IEEE80211_ATHC_TURBOP) != 0;
		break;
	case IEEE80211_PARAM_DTIM_PERIOD:
		param[0] = vap->iv_dtim_period;
		break;
	case IEEE80211_PARAM_BEACON_MISS_THRESH_MS:
		param[0] = IEEE80211_TU_TO_MS(
			vap->iv_ic->ic_bmissthreshold * vap->iv_ic->ic_lintval);
		break;
	case IEEE80211_PARAM_BEACON_MISS_THRESH:
		param[0] = vap->iv_ic->ic_bmissthreshold;
		break;
	case IEEE80211_PARAM_BEACON_INTERVAL:
		/* NB: get from ic_bss for station mode */
		param[0] = vap->iv_bss->ni_intval;
		break;
	case IEEE80211_PARAM_DOTH:
		param[0] = (ic->ic_flags & IEEE80211_F_DOTH) != 0;
		break;
	case IEEE80211_PARAM_SHPREAMBLE:
		param[0] = (ic->ic_caps & IEEE80211_C_SHPREAMBLE) != 0;
		break;
	case IEEE80211_PARAM_PWRTARGET:
		param[0] = ic->ic_curchanmaxpwr;
		break;
	case IEEE80211_PARAM_DOTH_ALGORITHM:
		param[0] = ic->ic_sc_algorithm;
		break;
	case IEEE80211_PARAM_DOTH_MINCOM:
		param[0] = ic->ic_sc_mincom;
		break;
	case IEEE80211_PARAM_DOTH_SLCG:
		param[0] = ic->ic_sc_slcg;
		break;
	case IEEE80211_PARAM_DOTH_SLDG:
		param[0] = ic->ic_sc_sldg;
		break;
	case IEEE80211_PARAM_DFS_TESTMODE:
		ieee80211_get_dfs_testmode(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT:
		ieee80211_get_txcont(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT_RATE:
		ieee80211_get_txcont_rate(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_TXCONT_POWER:
		ieee80211_get_txcont_power(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_DFS_CACTIME:
		ieee80211_get_dfs_cac_time(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_DFS_EXCLPERIOD:
		ieee80211_get_dfs_excl_period(dev, info, w, extra);
		break;
	case IEEE80211_PARAM_PUREG:
		param[0] = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
		break;
	case IEEE80211_PARAM_WDS:
		param[0] = ((vap->iv_flags_ext & IEEE80211_FEXT_WDS) == IEEE80211_FEXT_WDS);
		break;
	case IEEE80211_PARAM_BGSCAN:
		param[0] = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
		break;
	case IEEE80211_PARAM_BGSCAN_IDLE:
		param[0] = jiffies_to_msecs(vap->iv_bgscanidle); /* ms */
		break;
	case IEEE80211_PARAM_BGSCAN_INTERVAL:
		param[0] = vap->iv_bgscanintvl / HZ;	/* seconds */
		break;
	case IEEE80211_PARAM_MCAST_RATE:
		param[0] = vap->iv_mcast_rate;	/* seconds */
		break;
	case IEEE80211_PARAM_COVERAGE_CLASS:
		param[0] = ic->ic_coverageclass;
		break;
	case IEEE80211_PARAM_COUNTRY_IE:
		param[0] = (ic->ic_flags_ext & IEEE80211_FEXT_COUNTRYIE) != 0;
		break;
	case IEEE80211_PARAM_REGCLASS:
		param[0] = (ic->ic_flags_ext & IEEE80211_FEXT_REGCLASS) != 0;
		break;
	case IEEE80211_PARAM_SCANVALID:
		param[0] = vap->iv_scanvalid / HZ;	/* seconds */
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11A:
		param[0] = vap->iv_roam.rssi11a;
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11B:
		param[0] = vap->iv_roam.rssi11bOnly;
		break;
	case IEEE80211_PARAM_ROAM_RSSI_11G:
		param[0] = vap->iv_roam.rssi11b;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11A:
		param[0] = vap->iv_roam.rate11a;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11B:
		param[0] = vap->iv_roam.rate11bOnly;
		break;
	case IEEE80211_PARAM_ROAM_RATE_11G:
		param[0] = vap->iv_roam.rate11b;
		break;
	case IEEE80211_PARAM_UAPSDINFO:
		if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
			if (IEEE80211_VAP_UAPSD_ENABLED(vap))
				param[0] = 1;
			else
				param[0] = 0;
		} else if (vap->iv_opmode == IEEE80211_M_STA)
			param[0] = vap->iv_uapsdinfo;
		break;
	case IEEE80211_PARAM_SLEEP:
		param[0] = vap->iv_bss->ni_flags & IEEE80211_NODE_PWR_MGT;
		break;
	case IEEE80211_PARAM_EOSPDROP:
		param[0] = IEEE80211_VAP_EOSPDROP_ENABLED(vap);
		break;
	case IEEE80211_PARAM_MARKDFS:
		if (ic->ic_flags_ext & IEEE80211_FEXT_MARKDFS)
			param[0] = 1;
		else
			param[0] = 0;
		break;
	default:
		return -EOPNOTSUPP;
	}
	return 0;
}

/* returns non-zero if ID is for a system IE (not for app use) */
static int
is_sys_ie(u_int8_t ie_id)
{
	/* XXX review this list */
	switch (ie_id) {
	case IEEE80211_ELEMID_SSID:
	case IEEE80211_ELEMID_RATES:
	case IEEE80211_ELEMID_FHPARMS:
	case IEEE80211_ELEMID_DSPARMS:
	case IEEE80211_ELEMID_CFPARMS:
	case IEEE80211_ELEMID_TIM:
	case IEEE80211_ELEMID_IBSSPARMS:
	case IEEE80211_ELEMID_COUNTRY:
	case IEEE80211_ELEMID_REQINFO:
	case IEEE80211_ELEMID_CHALLENGE:
	case IEEE80211_ELEMID_PWRCNSTR:
	case IEEE80211_ELEMID_PWRCAP:
	case IEEE80211_ELEMID_TPCREQ:
	case IEEE80211_ELEMID_TPCREP:
	case IEEE80211_ELEMID_SUPPCHAN:
	case IEEE80211_ELEMID_CHANSWITCHANN:
	case IEEE80211_ELEMID_MEASREQ:
	case IEEE80211_ELEMID_MEASREP:
	case IEEE80211_ELEMID_QUIET:
	case IEEE80211_ELEMID_IBSSDFS:
	case IEEE80211_ELEMID_ERP:
	case IEEE80211_ELEMID_RSN:
	case IEEE80211_ELEMID_XRATES:
	case IEEE80211_ELEMID_TPC:
	case IEEE80211_ELEMID_CCKM:
		return 1;
	default:
		return 0;
	}
}

/* returns non-zero if the buffer appears to contain a valid IE list */
static int
is_valid_ie_list(u_int32_t buf_len, void *buf, int exclude_sys_ies)
{
	struct ieee80211_ie *ie = (struct ieee80211_ie *)buf;

	while (buf_len >= sizeof(*ie)) {
		int ie_elem_len = sizeof(*ie) + ie->len;
		if (buf_len < ie_elem_len)
			break;
		if (exclude_sys_ies && is_sys_ie(ie->id))
			break;
		buf_len -= ie_elem_len;
		ie = (struct ieee80211_ie *)(ie->info + ie->len);
	}

	return (buf_len == 0) ? 1 : 0;
}

static int
ieee80211_ioctl_setoptie(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *wri, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	void *ie;

	/*
	 * NB: Doing this for ap operation could be useful (e.g. for
	 *     WPA and/or WME) except that it typically is worthless
	 *     without being able to intervene when processing
	 *     association response frames--so disallow it for now.
	 */
	if (vap->iv_opmode != IEEE80211_M_STA)
		return -EOPNOTSUPP;
	if (!is_valid_ie_list(wri->length, extra, 0))
		return -EINVAL;
	/* NB: wri->length is validated by the wireless extensions code */
	MALLOC(ie, void *, wri->length, M_DEVBUF, M_WAITOK);
	if (ie == NULL)
		return -ENOMEM;
	memcpy(ie, extra, wri->length);
	if (vap->iv_opt_ie != NULL)
		FREE(vap->iv_opt_ie, M_DEVBUF);
	vap->iv_opt_ie = ie;
	vap->iv_opt_ie_len = wri->length;
#ifdef ATH_SUPERG_XR
	/* set the same params on the xr vap device if exists */
	if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))
		ieee80211_ioctl_setoptie(vap->iv_xrvap->iv_dev, info, wri, extra);
#endif
	return 0;
}

static int
ieee80211_ioctl_getoptie(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *wri, char *extra)
{
	struct ieee80211vap *vap = dev->priv;

	if (vap->iv_opt_ie == NULL) {
		wri->length = 0;
		return 0;
	}
	wri->length = vap->iv_opt_ie_len;
	memcpy(extra, vap->iv_opt_ie, vap->iv_opt_ie_len);
	return 0;
}

/* the following functions are used by the set/get appiebuf functions */
static int
add_app_ie(unsigned int frame_type_index, struct ieee80211vap *vap,
	struct ieee80211req_getset_appiebuf *iebuf)
{
	struct ieee80211_ie *ie;

	if (!is_valid_ie_list(iebuf->app_buflen, iebuf->app_buf, 1))
		return -EINVAL;
	/* NB: data.length is validated by the wireless extensions code */
	MALLOC(ie, struct ieee80211_ie *, iebuf->app_buflen, M_DEVBUF, M_WAITOK);
	if (ie == NULL)
		return -ENOMEM;

	memcpy(ie, iebuf->app_buf, iebuf->app_buflen);
	if (vap->app_ie[frame_type_index].ie != NULL)
		FREE(vap->app_ie[frame_type_index].ie, M_DEVBUF);
	vap->app_ie[frame_type_index].ie = ie;
	vap->app_ie[frame_type_index].length = iebuf->app_buflen;

	return 0;
}

static int
remove_app_ie(unsigned int frame_type_index, struct ieee80211vap *vap)
{
	struct ieee80211_app_ie *app_ie = &vap->app_ie[frame_type_index];
	if (app_ie->ie != NULL) {
		FREE(app_ie->ie, M_DEVBUF);
		app_ie->ie = NULL;
		app_ie->length = 0;
	}
	return 0;
}

static int
get_app_ie(unsigned int frame_type_index, struct ieee80211vap *vap,
	struct ieee80211req_getset_appiebuf *iebuf)
{
	struct ieee80211_app_ie *app_ie = &vap->app_ie[frame_type_index];
	if (iebuf->app_buflen < app_ie->length)
		return -E2BIG;

	iebuf->app_buflen = app_ie->length;
	memcpy(iebuf->app_buf, app_ie->ie, app_ie->length);
	return 0;
}

static int
ieee80211_ioctl_setappiebuf(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211req_getset_appiebuf *iebuf =
		(struct ieee80211req_getset_appiebuf *)extra;
	enum ieee80211_opmode chk_opmode;
	int iebuf_len;
	int rc = 0;

	iebuf_len = data->length - sizeof(struct ieee80211req_getset_appiebuf);
	if ((iebuf_len < 0) || (iebuf_len != iebuf->app_buflen) ||
			(iebuf->app_buflen > IEEE80211_APPIE_MAX))
		return -EINVAL;

	switch (iebuf->app_frmtype) {
	case IEEE80211_APPIE_FRAME_BEACON:
	case IEEE80211_APPIE_FRAME_PROBE_RESP:
	case IEEE80211_APPIE_FRAME_ASSOC_RESP:
		chk_opmode = IEEE80211_M_HOSTAP;
		break;
	case IEEE80211_APPIE_FRAME_PROBE_REQ:
	case IEEE80211_APPIE_FRAME_ASSOC_REQ:
		chk_opmode = IEEE80211_M_STA;
		break;
	default:
		return -EINVAL;
	}
	if (vap->iv_opmode != chk_opmode)
		return -EOPNOTSUPP;

	if (iebuf->app_buflen)
		rc = add_app_ie(iebuf->app_frmtype, vap, iebuf);
	else
		rc = remove_app_ie(iebuf->app_frmtype, vap);
	if ((iebuf->app_frmtype == IEEE80211_APPIE_FRAME_BEACON) && (rc == 0))
		vap->iv_flags_ext |= IEEE80211_FEXT_APPIE_UPDATE;

	return rc;
}

static int
ieee80211_ioctl_getappiebuf(struct net_device *dev, struct iw_request_info *info,
	struct iw_point *data, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211req_getset_appiebuf *iebuf =
		(struct ieee80211req_getset_appiebuf *)extra;
	int max_iebuf_len;
	int rc = 0;

	max_iebuf_len = data->length - sizeof(struct ieee80211req_getset_appiebuf);
	if (max_iebuf_len < 0)
		return -EINVAL;
	if (copy_from_user(iebuf, data->pointer, sizeof(struct ieee80211req_getset_appiebuf)))
		return -EFAULT;
	if (iebuf->app_buflen > max_iebuf_len)
		iebuf->app_buflen = max_iebuf_len;

	switch (iebuf->app_frmtype) {
	case IEEE80211_APPIE_FRAME_BEACON:
	case IEEE80211_APPIE_FRAME_PROBE_RESP:
	case IEEE80211_APPIE_FRAME_ASSOC_RESP:
		if (vap->iv_opmode == IEEE80211_M_STA)
			return -EOPNOTSUPP;
		break;
	case IEEE80211_APPIE_FRAME_PROBE_REQ:
	case IEEE80211_APPIE_FRAME_ASSOC_REQ:
		if (vap->iv_opmode != IEEE80211_M_STA)
			return -EOPNOTSUPP;
		break;
	default:
		return -EINVAL;
	}

	rc = get_app_ie(iebuf->app_frmtype, vap, iebuf);

	data->length = sizeof(struct ieee80211req_getset_appiebuf) + iebuf->app_buflen;

	return rc;
}

static int
ieee80211_ioctl_setfilter(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211req_set_filter *app_filter = (struct ieee80211req_set_filter *)extra;

	if ((extra == NULL) || (app_filter->app_filterype & ~IEEE80211_FILTER_TYPE_ALL))
		return -EINVAL;

	vap->app_filter = app_filter->app_filterype;

	return 0;
}

static int
ieee80211_ioctl_setkey(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_key *ik = (struct ieee80211req_key *)extra;
	struct ieee80211_node *ni;
	struct ieee80211_key *wk;
	ieee80211_keyix_t kix;
	int error, flags, i;

	/* Check cipher support, load crypto modules if needed */
	if (!ieee80211_crypto_available(vap, ik->ik_type))
		return -EOPNOTSUPP;

	/* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
	if (ik->ik_keylen > sizeof(ik->ik_keydata))
		return -E2BIG;

	kix = ik->ik_keyix;
	if (kix == IEEE80211_KEYIX_NONE) {
		/* XXX unicast keys currently must be tx/rx */
		if (ik->ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
			return -EINVAL;
		if (vap->iv_opmode == IEEE80211_M_STA) {
			ni = ieee80211_ref_node(vap->iv_bss);
			/* XXX: Untested use of iv_bssid. */
			if (!IEEE80211_ADDR_EQ(ik->ik_macaddr, vap->iv_bssid)) {
				ieee80211_unref_node(&ni);
				return -EADDRNOTAVAIL;
			}
		} else
			ni = ieee80211_find_node(&ic->ic_sta, ik->ik_macaddr);
		if (ni == NULL)
			return -ENOENT;
		wk = &ni->ni_ucastkey;
	} else if (((uint8_t)IEEE80211_KEYIX_NONE <= kix) && 
			(kix < IEEE80211_KEYIX_NONE)) {
		/* These values must never be used as they are ambiguous as 
		 * some of the API uses 8-bit integers for keyix. */
		return -EINVAL;
	} else {
		if (kix >= IEEE80211_WEP_NKID)
			return -EINVAL;
		wk = &vap->iv_nw_keys[kix];
		ni = NULL;
		/* XXX auto-add group key flag until applications are updated */
		if ((ik->ik_flags & IEEE80211_KEY_XMIT) == 0)	/* XXX */
			ik->ik_flags |= IEEE80211_KEY_GROUP;	/* XXX */
	}

	error = 0;
	flags = ik->ik_flags & IEEE80211_KEY_COMMON;
	ieee80211_key_update_begin(vap);
	if (ieee80211_crypto_newkey(vap, ik->ik_type, flags, wk)) {
		wk->wk_keylen = ik->ik_keylen;
		/* NB: MIC presence is implied by cipher type */
		if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
			wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
		for (i = 0; i < IEEE80211_TID_SIZE; i++)
			wk->wk_keyrsc[i] = ik->ik_keyrsc;
		wk->wk_keytsc = 0;			/* new key, reset */
		memset(wk->wk_key, 0, sizeof(wk->wk_key));
		memcpy(wk->wk_key, ik->ik_keydata, ik->ik_keylen);
		if (!ieee80211_crypto_setkey(vap, wk,
		    (ni != NULL) ? ni->ni_macaddr : ik->ik_macaddr, ni))
			error = -EIO;
		else if ((ik->ik_flags & IEEE80211_KEY_DEFAULT))
			vap->iv_def_txkey = kix;
	} else
		error = -ENXIO;

	ieee80211_key_update_end(vap);
	if (ni != NULL)
		ieee80211_unref_node(&ni);
#ifdef ATH_SUPERG_XR
	/* set the same params on the xr vap device if exists */
	if (vap->iv_xrvap && !(vap->iv_flags & IEEE80211_F_XR))
		ieee80211_ioctl_setkey(vap->iv_xrvap->iv_dev, info, w, extra);
#endif
	return error;
}

static int
ieee80211_ioctl_getkey(struct net_device *dev, struct iwreq *iwr)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_node *ni;
	struct ieee80211req_key ik;
	struct ieee80211_key *wk;
	const struct ieee80211_cipher *cip;
	ieee80211_keyix_t kix;

	if (iwr->u.data.length != sizeof(ik))
		return -EINVAL;
	if (copy_from_user(&ik, iwr->u.data.pointer, sizeof(ik)))
		return -EFAULT;
	kix = ik.ik_keyix;
	if (kix == IEEE80211_KEYIX_NONE) {
		ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr);
		if (ni == NULL)
			return -ENOENT;
		wk = &ni->ni_ucastkey;
	} else if (((uint8_t)IEEE80211_KEYIX_NONE <= kix) && 
			(kix < IEEE80211_KEYIX_NONE)) {
		/* These values must never be used as they are ambiguous as 
		 * some of the API uses 8-bit integers for keyix. */
		return -EINVAL;
	} else {
		if (kix >= IEEE80211_WEP_NKID)
			return -EINVAL;
		wk = &vap->iv_nw_keys[kix];
		IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
		ni = NULL;
	}
	cip = wk->wk_cipher;
	ik.ik_type = cip->ic_cipher;
	ik.ik_keylen = wk->wk_keylen;
	ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
	if (wk->wk_keyix == vap->iv_def_txkey)
		ik.ik_flags |= IEEE80211_KEY_DEFAULT;
	if (capable(CAP_NET_ADMIN)) {
		/* NB: only root can read key data */
		ik.ik_keyrsc = wk->wk_keyrsc[0];
		ik.ik_keytsc = wk->wk_keytsc;
		memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
		if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
			memcpy(ik.ik_keydata+wk->wk_keylen,
				wk->wk_key + IEEE80211_KEYBUF_SIZE,
				IEEE80211_MICBUF_SIZE);
			ik.ik_keylen += IEEE80211_MICBUF_SIZE;
		}
	} else {
		ik.ik_keyrsc = 0;
		ik.ik_keytsc = 0;
		memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
	}
	if (ni != NULL)
		ieee80211_unref_node(&ni);
	return (copy_to_user(iwr->u.data.pointer, &ik, sizeof(ik)) ? -EFAULT : 0);
}

static int
ieee80211_ioctl_delkey(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_del_key *dk = (struct ieee80211req_del_key *)extra;
	ieee80211_keyix_t kix;

	kix = dk->idk_keyix;
	if (dk->idk_keyix == (u_int8_t)IEEE80211_KEYIX_NONE)
		kix = IEEE80211_KEYIX_NONE;

	if (kix == IEEE80211_KEYIX_NONE) {
		struct ieee80211_node *ni;

		ni = ieee80211_find_node(&ic->ic_sta, dk->idk_macaddr);
		if (ni == NULL)
			return -ENOENT;
		/* XXX error return */
		ieee80211_crypto_delkey(vap, &ni->ni_ucastkey, ni);
		ieee80211_unref_node(&ni);
	} else {
		if (kix >= IEEE80211_WEP_NKID)
			return -EINVAL;
		/* XXX error return */
		ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kix], NULL);
	}
	return 0;
}

static void
domlme(void *arg, struct ieee80211_node *ni)
{
	struct ieee80211req_mlme *mlme = arg;

	if (ni->ni_associd != 0) {
		IEEE80211_SEND_MGMT(ni,
			mlme->im_op == IEEE80211_MLME_DEAUTH ?
				IEEE80211_FC0_SUBTYPE_DEAUTH :
				IEEE80211_FC0_SUBTYPE_DISASSOC,
			mlme->im_reason);
	}
	ieee80211_node_leave(ni);
}

struct scanlookup {		/* XXX: right place for declaration? */
	const u_int8_t *mac;
	int esslen;
	const u_int8_t *essid;
	const struct ieee80211_scan_entry *se;
};

static int
ieee80211_ioctl_setmlme(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_mlme *mlme = (struct ieee80211req_mlme *)extra;
	struct ieee80211_node *ni;

	if (!IS_UP(dev)) {
		switch (mlme->im_op) {
		case IEEE80211_MLME_DISASSOC:
		case IEEE80211_MLME_DEAUTH:
		case IEEE80211_MLME_UNAUTHORIZE:
			return 0;
		default:
			return -ENETDOWN;
		}
	}
	switch (mlme->im_op) {
	case IEEE80211_MLME_ASSOC:
		if (vap->iv_opmode == IEEE80211_M_STA) {
			struct sockaddr ap_addr;
			memset(&ap_addr, 0, sizeof(ap_addr));
			IEEE80211_ADDR_COPY(ap_addr.sa_data, mlme->im_macaddr);
			return ieee80211_ioctl_siwap(dev, NULL, &ap_addr, NULL);
		} else
			return -EOPNOTSUPP;
	case IEEE80211_MLME_DISASSOC:
	case IEEE80211_MLME_DEAUTH:
		switch (vap->iv_opmode) {
		case IEEE80211_M_STA:
			/* XXX not quite right */
			ieee80211_new_state(vap, IEEE80211_S_INIT,
				mlme->im_reason);
			break;
		case IEEE80211_M_HOSTAP:
			/* NB: the broadcast address means do 'em all */
			if (!IEEE80211_ADDR_EQ(mlme->im_macaddr, vap->iv_dev->broadcast)) {
				ni = ieee80211_find_node(&ic->ic_sta,
					mlme->im_macaddr);
				if (ni != NULL) {
					if (dev == ni->ni_vap->iv_dev)
						domlme(mlme, ni);
					ieee80211_unref_node(&ni);
				} else
					return -ENOENT;
			} else
				ieee80211_iterate_dev_nodes(dev, &ic->ic_sta, domlme, mlme);
			break;
		default:
			return -EOPNOTSUPP;
		}
		break;
	case IEEE80211_MLME_AUTHORIZE:
	case IEEE80211_MLME_UNAUTHORIZE:
		if (vap->iv_opmode != IEEE80211_M_HOSTAP)
			return -EOPNOTSUPP;
		ni = ieee80211_find_node(&ic->ic_sta, mlme->im_macaddr);
		if (ni != NULL) {
			if (mlme->im_op == IEEE80211_MLME_AUTHORIZE)
				ieee80211_node_authorize(ni);
			else
				ieee80211_node_unauthorize(ni);
			ieee80211_unref_node(&ni);
		} else
			return -ENOENT;
		break;
	case IEEE80211_MLME_CLEAR_STATS:
		if (vap->iv_opmode != IEEE80211_M_HOSTAP)
			return -EOPNOTSUPP;
		ni = ieee80211_find_node(&ic->ic_sta, mlme->im_macaddr);
		if (ni != NULL) {
			/* clear statistics */
			memset(&ni->ni_stats, 0, sizeof(struct ieee80211_nodestats));
			ieee80211_unref_node(&ni);
		} else
			return -ENOENT;

		break;
	default:
		return -EOPNOTSUPP;
	}
	return 0;
}

static int
ieee80211_ioctl_wdsmac(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct sockaddr *sa = (struct sockaddr *)extra;

	if (!IEEE80211_ADDR_NULL(vap->wds_mac)) {
		printk("%s: Failed to add WDS MAC: " MAC_FMT "\n", dev->name,
			MAC_ADDR(sa->sa_data));
		printk("%s: Device already has WDS mac address attached,"
			" remove first\n", dev->name);
		return -1;
	}

	memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);

	printk("%s: Added WDS MAC: " MAC_FMT "\n", dev->name,
		MAC_ADDR(vap->wds_mac));

	if (IS_UP(vap->iv_dev)) {
		/* Force us back to scan state to force us to go back through RUN
		 * state and create/pin the WDS peer node into memory. */
		return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
	}

	return 0;
}

static int
ieee80211_ioctl_wdsdelmac(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct sockaddr *sa = (struct sockaddr *)extra;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_node *wds_ni;

	/* WDS Mac address filed already? */
	if (IEEE80211_ADDR_NULL(vap->wds_mac))
		return 0;

	/* Compare suplied MAC address with WDS MAC of this interface 
	 * remove when mac address is known
	 */
	if (memcmp(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN) == 0) {
		if (IS_UP(vap->iv_dev)) {
			wds_ni = ieee80211_find_txnode(vap, vap->wds_mac);
			if (wds_ni != NULL) {
				/* Release reference created by find node */
				ieee80211_unref_node(&wds_ni);
				/* Release reference created by transition to RUN state,
				 * [pinning peer node into the table] */
				ieee80211_unref_node(&wds_ni);
			}
		}
		memset(vap->wds_mac, 0x00, IEEE80211_ADDR_LEN);
		if (IS_UP(vap->iv_dev)) {
			/* This leaves a dead WDS node, until started again */
			return ic->ic_reset(ic->ic_dev);
		}
		return 0;
	}

	printk("%s: WDS MAC address " MAC_FMT " is not known by this interface\n",
		dev->name, MAC_ADDR(sa->sa_data));

	return -1;
}

/*
 * kick associated station with the given MAC address.
 */
static int
ieee80211_ioctl_kickmac(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct sockaddr *sa = (struct sockaddr *)extra;
	struct ieee80211req_mlme mlme;

	if (sa->sa_family != ARPHRD_ETHER)
		return -EINVAL;

	/* Setup a MLME request for disassociation of the given MAC */
	mlme.im_op = IEEE80211_MLME_DISASSOC;
	mlme.im_reason = IEEE80211_REASON_UNSPECIFIED;
	IEEE80211_ADDR_COPY(&(mlme.im_macaddr), sa->sa_data);

	/* Send the MLME request and return the result. */
	return ieee80211_ioctl_setmlme(dev, info, w, (char *)&mlme);
}

static int
ieee80211_ioctl_addmac(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct sockaddr *sa = (struct sockaddr *)extra;
	const struct ieee80211_aclator *acl = vap->iv_acl;

	if (acl == NULL) {
		acl = ieee80211_aclator_get("mac");
		if (acl == NULL || !acl->iac_attach(vap))
			return -EINVAL;
		vap->iv_acl = acl;
	}
	acl->iac_add(vap, sa->sa_data);
	return 0;
}

static int
ieee80211_ioctl_delmac(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct sockaddr *sa = (struct sockaddr *)extra;
	const struct ieee80211_aclator *acl = vap->iv_acl;

	if (acl == NULL) {
		acl = ieee80211_aclator_get("mac");
		if (acl == NULL || !acl->iac_attach(vap))
			return -EINVAL;
		vap->iv_acl = acl;
	}
	acl->iac_remove(vap, sa->sa_data);
	return 0;
}

static int
ieee80211_ioctl_setchanlist(struct net_device *dev,
	struct iw_request_info *info, void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_chanlist *list =
		(struct ieee80211req_chanlist *)extra;
	u_char chanlist[IEEE80211_CHAN_BYTES];
	int i, j, nchan;

	memset(chanlist, 0, sizeof(chanlist));
	/*
	 * Since channel 0 is not available for DS, channel 1
	 * is assigned to LSB on WaveLAN.
	 */
	if (ic->ic_phytype == IEEE80211_T_DS)
		i = 1;
	else
		i = 0;
	nchan = 0;
	for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
		/*
		 * NB: silently discard unavailable channels so users
		 *     can specify 1-255 to get all available channels.
		 */
		if (isset(list->ic_channels, j) && isset(ic->ic_chan_avail, i)) {
			setbit(chanlist, i);
			nchan++;
		}
	}
	if (nchan == 0)			/* no valid channels, disallow */
		return -EINVAL;
	if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&	/* XXX */
	    isclr(chanlist, ic->ic_bsschan->ic_ieee))
		ic->ic_bsschan = IEEE80211_CHAN_ANYC;	/* invalidate */

	memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
	/* update Supported Channels information element */
	ieee80211_build_sc_ie(ic);
	if (IS_UP_AUTO(vap))
		ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);

	return 0;
}

static int
ieee80211_ioctl_getchanlist(struct net_device *dev,
	struct iw_request_info *info, void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;

	memcpy(extra, ic->ic_chan_active, sizeof(ic->ic_chan_active));
	return 0;
}

static int
ieee80211_ioctl_getchaninfo(struct net_device *dev,
	struct iw_request_info *info, void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_chaninfo chans;
	u_int8_t reported[IEEE80211_CHAN_BYTES];	/* XXX stack usage? */
	int i;

	memset(&chans, 0, sizeof(chans));
	memset(&reported, 0, sizeof(reported));
	for (i = 0; i < ic->ic_nchans; i++) {
		const struct ieee80211_channel *c = &ic->ic_channels[i];
		const struct ieee80211_channel *c1 = c;

		if (isclr(reported, c->ic_ieee)) {
			setbit(reported, c->ic_ieee);

			/* pick turbo channel over non-turbo channel, and
			 * 11g channel over 11b channel */
			if (IEEE80211_IS_CHAN_A(c))
				c1 = findchannel(ic, c->ic_ieee, IEEE80211_MODE_TURBO_A);
			if (IEEE80211_IS_CHAN_ANYG(c))
				c1 = findchannel(ic, c->ic_ieee, IEEE80211_MODE_TURBO_G);
			else if (IEEE80211_IS_CHAN_B(c)) {
				c1 = findchannel(ic, c->ic_ieee, IEEE80211_MODE_TURBO_G);
				if (!c1)
					c1 = findchannel(ic, c->ic_ieee, IEEE80211_MODE_11G);
			}

			if (c1)
				c = c1;
			/* Copy the entire structure, whereas it used to just copy a few fields */
			memcpy(&chans.ic_chans[chans.ic_nchans], c, sizeof(struct ieee80211_channel));
			if (++chans.ic_nchans >= IEEE80211_CHAN_MAX)
				break;
		}
	}
	memcpy(extra, &chans, sizeof(struct ieee80211req_chaninfo));
	return 0;
}

static int
ieee80211_ioctl_setwmmparams(struct net_device *dev,
	struct iw_request_info *info, void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	unsigned int *param = (unsigned int *) extra;
	unsigned int ac = (param[1] < WME_NUM_AC) ? param[1] : WME_AC_BE;
	unsigned int bss = param[2];
	struct ieee80211_wme_state *wme = &vap->iv_ic->ic_wme;

	switch (param[0]) {
		case IEEE80211_WMMPARAMS_CWMIN:
			if (param[3] > 15)
				return -EINVAL;
			if (bss) {
				wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_logcwmin = param[3];
				if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
					wme->wme_bssChanParams.cap_wmeParams[ac].wmep_logcwmin = param[3];
			} else {
				wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_logcwmin = param[3];
				wme->wme_chanParams.cap_wmeParams[ac].wmep_logcwmin = param[3];
			}
			ieee80211_wme_updateparams(vap);
			break;
		case IEEE80211_WMMPARAMS_CWMAX:
			if (param[3] > 15)
				return -EINVAL;
			if (bss) {
				wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_logcwmax = param[3];
				if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
					wme->wme_bssChanParams.cap_wmeParams[ac].wmep_logcwmax = param[3];
			} else {
				wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_logcwmax = param[3];
				wme->wme_chanParams.cap_wmeParams[ac].wmep_logcwmax = param[3];
			}
			ieee80211_wme_updateparams(vap);
			break;
		case IEEE80211_WMMPARAMS_AIFS:
			if (param[3] > 15)
				return -EINVAL;
			if (bss) {
				wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_aifsn = param[3];
				if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
					wme->wme_bssChanParams.cap_wmeParams[ac].wmep_aifsn = param[3];
			} else {
				wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_aifsn = param[3];
				wme->wme_chanParams.cap_wmeParams[ac].wmep_aifsn = param[3];
			}
			ieee80211_wme_updateparams(vap);
			break;
		case IEEE80211_WMMPARAMS_TXOPLIMIT:
			if (param[3] > 8192)
				return -EINVAL;
			if (bss) {
				wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_txopLimit
				= IEEE80211_US_TO_TXOP(param[3]);
				if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
					wme->wme_bssChanParams.cap_wmeParams[ac].wmep_txopLimit =
					IEEE80211_US_TO_TXOP(param[3]);
			} else {
				wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_txopLimit
				= IEEE80211_US_TO_TXOP(param[3]);
				wme->wme_chanParams.cap_wmeParams[ac].wmep_txopLimit
				= IEEE80211_US_TO_TXOP(param[3]);
			}
			ieee80211_wme_updateparams(vap);
			break;
		case IEEE80211_WMMPARAMS_ACM:
			if (!bss || param[3] > 1)
				return -EINVAL;
			/* ACM bit applies to BSS case only */
			wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_acm = param[3];
			if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
				wme->wme_bssChanParams.cap_wmeParams[ac].wmep_acm = param[3];
			break;
		case IEEE80211_WMMPARAMS_NOACKPOLICY:
			if (bss || param[3] > 1)
				return -EINVAL;
			/* ack policy applies to non-BSS case only */
			wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_noackPolicy = param[3];
			wme->wme_chanParams.cap_wmeParams[ac].wmep_noackPolicy = param[3];
			break;
		default:
			break;
	}
	return 0;
}

static int
ieee80211_ioctl_getwmmparams(struct net_device *dev,
	struct iw_request_info *info, void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	unsigned int *param = (unsigned int *) extra;
	unsigned int ac = (param[1] < WME_NUM_AC) ? param[1] : WME_AC_BE;
	struct ieee80211_wme_state *wme = &vap->iv_ic->ic_wme;
	struct chanAccParams *chanParams = (param[2] == 0) ?
		&(wme->wme_chanParams) : &(wme->wme_bssChanParams);

	switch (param[0]) {
		case IEEE80211_WMMPARAMS_CWMIN:
			param[0] = chanParams->cap_wmeParams[ac].wmep_logcwmin;
			break;
		case IEEE80211_WMMPARAMS_CWMAX:
			param[0] = chanParams->cap_wmeParams[ac].wmep_logcwmax;
			break;
		case IEEE80211_WMMPARAMS_AIFS:
			param[0] = chanParams->cap_wmeParams[ac].wmep_aifsn;
			break;
		case IEEE80211_WMMPARAMS_TXOPLIMIT:
			param[0] = IEEE80211_TXOP_TO_US(chanParams->cap_wmeParams[ac].wmep_txopLimit);
			break;
		case IEEE80211_WMMPARAMS_ACM:
			param[0] = wme->wme_wmeBssChanParams.cap_wmeParams[ac].wmep_acm;
			break;
		case IEEE80211_WMMPARAMS_NOACKPOLICY:
			param[0] = wme->wme_wmeChanParams.cap_wmeParams[ac].wmep_noackPolicy;
			break;
		default:
			break;
	}
	return 0;
}

static int
ieee80211_ioctl_getwpaie(struct net_device *dev, struct iwreq *iwr)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_node *ni;
	struct ieee80211req_wpaie wpaie;

	if (iwr->u.data.length != sizeof(wpaie))
		return -EINVAL;
	if (copy_from_user(&wpaie, iwr->u.data.pointer, IEEE80211_ADDR_LEN))
		return -EFAULT;
	ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr);
	if (ni != NULL) {
		memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
		if (ni->ni_wpa_ie != NULL) {
			int ielen = ni->ni_wpa_ie[1] + 2;
			if (ielen > sizeof(wpaie.wpa_ie))
				ielen = sizeof(wpaie.wpa_ie);
			memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen);
		}
		if (ni->ni_rsn_ie != NULL) {
			int ielen = ni->ni_rsn_ie[1] + 2;
			if (ielen > sizeof(wpaie.rsn_ie))
				ielen = sizeof(wpaie.rsn_ie);
			memcpy(wpaie.rsn_ie, ni->ni_rsn_ie, ielen);
		}
		ieee80211_unref_node(&ni);
		return (copy_to_user(iwr->u.data.pointer, &wpaie, sizeof(wpaie)) ?
				-EFAULT : 0);
	} else
		return -ENOENT;
}

static int
ieee80211_ioctl_getstastats(struct net_device *dev, struct iwreq *iwr)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211_node *ni;
	u_int8_t macaddr[IEEE80211_ADDR_LEN];
	const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
	int error;

	if (iwr->u.data.length < off)
		return -E2BIG;
	if (copy_from_user(macaddr, iwr->u.data.pointer, IEEE80211_ADDR_LEN))
		return -EFAULT;
	ni = ieee80211_find_node(&ic->ic_sta, macaddr);
	if (ni != NULL) {
		if (iwr->u.data.length > sizeof(struct ieee80211req_sta_stats))
			iwr->u.data.length = sizeof(struct ieee80211req_sta_stats);
		/* NB: copy out only the statistics */
		error = copy_to_user(iwr->u.data.pointer + off, &ni->ni_stats,
				iwr->u.data.length - off);
		ieee80211_unref_node(&ni);
		return (error ? -EFAULT : 0);
	} else
		return -ENOENT;
}

struct scanreq {			/* XXX: right place for declaration? */
	struct ieee80211req_scan_result *sr;
	size_t space;
};

static size_t
scan_space(const struct ieee80211_scan_entry *se, int *ielen)
{
	*ielen = 0;
	if (se->se_rsn_ie != NULL)
		*ielen += 2 + se->se_rsn_ie[1];
	if (se->se_wpa_ie != NULL)
		*ielen += 2 + se->se_wpa_ie[1];
	if (se->se_wme_ie != NULL)
		*ielen += 2 + se->se_wme_ie[1];
	if (se->se_ath_ie != NULL)
		*ielen += 2 + se->se_ath_ie[1];
	return roundup(sizeof(struct ieee80211req_scan_result) +
		se->se_ssid[1] + *ielen, sizeof(u_int32_t));
}

static int
get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
{
	struct scanreq *req = arg;
	int ielen;

	req->space += scan_space(se, &ielen);

	return 0;
}

static int
get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
{
	struct scanreq *req = arg;
	struct ieee80211req_scan_result *sr;
	int ielen, len, nr, nxr;
	u_int8_t *cp;

	len = scan_space(se, &ielen);
	if (len > req->space) {
	  printk("[madwifi] %s() : Not enough space.\n", __FUNCTION__);
		return 0;
	}

	sr = req->sr;
	memset(sr, 0, sizeof(*sr));
	sr->isr_ssid_len = se->se_ssid[1];
	/* XXX watch for overflow */
	sr->isr_ie_len = ielen;
	sr->isr_len = len;
	sr->isr_freq = se->se_chan->ic_freq;
	sr->isr_flags = se->se_chan->ic_flags;
	sr->isr_rssi = se->se_rssi;
	sr->isr_intval = se->se_intval;
	sr->isr_capinfo = se->se_capinfo;
	sr->isr_erp = se->se_erp;
	IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
	/* XXX bounds check */
	nr = se->se_rates[1];
	memcpy(sr->isr_rates, se->se_rates + 2, nr);
	nxr = se->se_xrates[1];
	memcpy(sr->isr_rates+nr, se->se_xrates + 2, nxr);
	sr->isr_nrates = nr + nxr;

	cp = (u_int8_t *)(sr + 1);
	memcpy(cp, se->se_ssid + 2, sr->isr_ssid_len);
	cp += sr->isr_ssid_len;
	if (se->se_rsn_ie != NULL) {
		memcpy(cp, se->se_rsn_ie, 2 + se->se_rsn_ie[1]);
		cp += 2 + se->se_rsn_ie[1];
	}
	if (se->se_wpa_ie != NULL) {
		memcpy(cp, se->se_wpa_ie, 2 + se->se_wpa_ie[1]);
		cp += 2 + se->se_wpa_ie[1];
	}
	if (se->se_wme_ie != NULL) {
		memcpy(cp, se->se_wme_ie, 2 + se->se_wme_ie[1]);
		cp += 2 + se->se_wme_ie[1];
	}
	if (se->se_ath_ie != NULL) {
		memcpy(cp, se->se_ath_ie, 2 + se->se_ath_ie[1]);
		cp += 2 + se->se_ath_ie[1];
	}

	req->space -= len;
	req->sr = (struct ieee80211req_scan_result *)(((u_int8_t *)sr) + len);

	return 0;
}

static int
ieee80211_ioctl_getscanresults(struct net_device *dev, struct iwreq *iwr)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct scanreq req;
	int error;

	if (iwr->u.data.length < sizeof(struct scanreq))
		return -E2BIG;

	error = 0;
	req.space = 0;
	ieee80211_scan_iterate(ic, get_scan_space, &req);
	if (req.space > iwr->u.data.length)
		req.space = iwr->u.data.length;
	if (req.space > 0) {
		size_t space;
		void *p;

		space = req.space;
		MALLOC(p, void *, space, M_TEMP, M_WAITOK);
		if (p == NULL)
			return -ENOMEM;
		req.sr = p;
		ieee80211_scan_iterate(ic, get_scan_result, &req);
		iwr->u.data.length = space - req.space;
		error = copy_to_user(iwr->u.data.pointer, p, iwr->u.data.length);
		FREE(p, M_TEMP);
	} else
		iwr->u.data.length = 0;

	return (error ? -EFAULT : 0);
}

struct stainforeq {		/* XXX: right place for declaration? */
	struct ieee80211vap *vap;
	struct ieee80211req_sta_info *si;
	size_t	space;
};

static size_t
sta_space(const struct ieee80211_node *ni, size_t *ielen)
{
	*ielen = 0;
	if (ni->ni_rsn_ie != NULL)
		*ielen += 2+ni->ni_rsn_ie[1];
	if (ni->ni_wpa_ie != NULL)
		*ielen += 2+ni->ni_wpa_ie[1];
	if (ni->ni_wme_ie != NULL)
		*ielen += 2+ni->ni_wme_ie[1];
	if (ni->ni_ath_ie != NULL)
		*ielen += 2+ni->ni_ath_ie[1];
	return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
		      sizeof(u_int32_t));
}

static void
get_sta_space(void *arg, struct ieee80211_node *ni)
{
	struct stainforeq *req = arg;
	struct ieee80211vap *vap = ni->ni_vap;
	size_t ielen;

	if (vap != req->vap && vap != req->vap->iv_xrvap)	/* only entries for this vap */
		return;
	if ((vap->iv_opmode == IEEE80211_M_HOSTAP ||
	    vap->iv_opmode == IEEE80211_M_WDS) &&
	    ni->ni_associd == 0)				/* only associated stations or a WDS peer */
		return;
	req->space += sta_space(ni, &ielen);
}

static void
get_sta_info(void *arg, struct ieee80211_node *ni)
{
	struct stainforeq *req = arg;
	struct ieee80211vap *vap = ni->ni_vap;
	struct ieee80211com *ic = vap->iv_ic;
	struct ieee80211req_sta_info *si;
	size_t ielen, len;
	u_int8_t *cp;

	if (vap != req->vap && vap != req->vap->iv_xrvap)	/* only entries for this vap (or) xrvap */
		return;
	if ((vap->iv_opmode == IEEE80211_M_HOSTAP ||
	    vap->iv_opmode == IEEE80211_M_WDS) &&
	    ni->ni_associd == 0)				/* only associated stations or a WDS peer */
		return;
	if (ni->ni_chan == IEEE80211_CHAN_ANYC)			/* XXX bogus entry */
		return;
	len = sta_space(ni, &ielen);
	if (len > req->space)
		return;
	si = req->si;
	si->isi_len = len;
	si->isi_ie_len = ielen;
	si->isi_freq = ni->ni_chan->ic_freq;
	si->isi_flags = ni->ni_chan->ic_flags;
	si->isi_state = ni->ni_flags;
	si->isi_authmode = ni->ni_authmode;
	si->isi_rssi = ic->ic_node_getrssi(ni);
	si->isi_capinfo = ni->ni_capinfo;
	si->isi_athflags = ni->ni_ath_flags;
	si->isi_erp = ni->ni_erp;
	IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
	si->isi_nrates = ni->ni_rates.rs_nrates;
	if (si->isi_nrates > 15)
		si->isi_nrates = 15;
	memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
	si->isi_txrate = ni->ni_txrate;
	si->isi_ie_len = ielen;
	si->isi_associd = ni->ni_associd;
	si->isi_txpower = ni->ni_txpower;
	si->isi_vlan = ni->ni_vlan;
	if (ni->ni_flags & IEEE80211_NODE_QOS) {
		memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
		memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
	} else {
		si->isi_txseqs[0] = ni->ni_txseqs[0];
		si->isi_rxseqs[0] = ni->ni_rxseqs[0];
	}
	si->isi_uapsd = ni->ni_uapsd;
	if (vap == req->vap->iv_xrvap)
		si->isi_opmode = IEEE80211_STA_OPMODE_XR;
	else
		si->isi_opmode = IEEE80211_STA_OPMODE_NORMAL;
	/* NB: leave all cases in case we relax ni_associd == 0 check */
	if (ieee80211_node_is_authorized(ni))
		si->isi_inact = vap->iv_inact_run;
	else if (ni->ni_associd != 0)
		si->isi_inact = vap->iv_inact_auth;
	else
		si->isi_inact = vap->iv_inact_init;
	si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;

	cp = (u_int8_t *)(si+1);
	if (ni->ni_rsn_ie != NULL) {
		memcpy(cp, ni->ni_rsn_ie, 2 + ni->ni_rsn_ie[1]);
		cp += 2 + ni->ni_rsn_ie[1];
	}
	if (ni->ni_wpa_ie != NULL) {
		memcpy(cp, ni->ni_wpa_ie, 2 + ni->ni_wpa_ie[1]);
		cp += 2 + ni->ni_wpa_ie[1];
	}
	if (ni->ni_wme_ie != NULL) {
		memcpy(cp, ni->ni_wme_ie, 2 + ni->ni_wme_ie[1]);
		cp += 2 + ni->ni_wme_ie[1];
	}
	if (ni->ni_ath_ie != NULL) {
		memcpy(cp, ni->ni_ath_ie, 2 + ni->ni_ath_ie[1]);
		cp += 2 + ni->ni_ath_ie[1];
	}

	req->si = (struct ieee80211req_sta_info *)(((u_int8_t *)si) + len);
	req->space -= len;
}

static int
ieee80211_ioctl_getstainfo(struct net_device *dev, struct iwreq *iwr)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	struct stainforeq req;
	int error;

	if (iwr->u.data.length < sizeof(struct stainforeq))
		return -E2BIG;

	/* estimate space required for station info */
	error = 0;
	req.space = sizeof(struct stainforeq);
	req.vap = vap;
	ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
	if (req.space > iwr->u.data.length)
		req.space = iwr->u.data.length;
	if (req.space > 0) {
		size_t space;
		void *p;

		space = req.space;
		MALLOC(p, void *, space, M_TEMP, M_WAITOK);
		req.si = (struct ieee80211req_sta_info *)p;
		ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
		iwr->u.data.length = space - req.space;
		error = copy_to_user(iwr->u.data.pointer, p, iwr->u.data.length);
		FREE(p, M_TEMP);
	} else
		iwr->u.data.length = 0;

	return (error ? -EFAULT : 0);
}

static void
pre_announced_chanswitch(struct net_device *dev, u_int32_t channel, u_int32_t tbtt) {
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	/* now flag the beacon update to include the channel switch IE */
	ic->ic_flags |= IEEE80211_F_CHANSWITCH;
	ic->ic_chanchange_chan = channel;
	ic->ic_chanchange_tbtt = tbtt;
}

static int
ieee80211_ioctl_chanswitch(struct net_device *dev, struct iw_request_info *info,
	void *w, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct ieee80211com *ic = vap->iv_ic;
	unsigned int *param = (unsigned int *) extra;

	if (!(ic->ic_flags & IEEE80211_F_DOTH))
		return 0;

	pre_announced_chanswitch(dev, param[0], param[1]);

	return 0;
}

#if WIRELESS_EXT >= 18
static int
ieee80211_ioctl_siwmlme(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *erq, char *data)
{
	struct ieee80211req_mlme mlme;
	struct iw_mlme *wextmlme = (struct iw_mlme *)data;

	memset(&mlme, 0, sizeof(mlme));

	switch (wextmlme->cmd) {
	case IW_MLME_DEAUTH:
		mlme.im_op = IEEE80211_MLME_DEAUTH;
		break;
	case IW_MLME_DISASSOC:
		mlme.im_op = IEEE80211_MLME_DISASSOC;
		break;
	default:
		return -EOPNOTSUPP;
	}

	mlme.im_reason = wextmlme->reason_code;

	memcpy(mlme.im_macaddr, wextmlme->addr.sa_data, IEEE80211_ADDR_LEN);

	return ieee80211_ioctl_setmlme(dev, NULL, NULL, (char*)&mlme);
}


static int
ieee80211_ioctl_giwgenie(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *out, char *buf)
{
	struct ieee80211vap *vap = dev->priv;

	if (out->length < vap->iv_opt_ie_len)
		return -E2BIG;

	return ieee80211_ioctl_getoptie(dev, info, out, buf);
}

static int
ieee80211_ioctl_siwgenie(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *erq, char *data)
{
	return ieee80211_ioctl_setoptie(dev, info, erq, data);
}


static int
siwauth_wpa_version(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int ver = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_WPA;

	if ((ver & IW_AUTH_WPA_VERSION_WPA) && (ver & IW_AUTH_WPA_VERSION_WPA2))
		args[1] = 3;
	else if (ver & IW_AUTH_WPA_VERSION_WPA2)
		args[1] = 2;
	else if (ver & IW_AUTH_WPA_VERSION_WPA)
		args[1] = 1;
	else
		args[1] = 0;

	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
iwcipher2ieee80211cipher(int iwciph)
{
	switch (iwciph) {
	case IW_AUTH_CIPHER_NONE:
		return IEEE80211_CIPHER_NONE;
	case IW_AUTH_CIPHER_WEP40:
	case IW_AUTH_CIPHER_WEP104:
		return IEEE80211_CIPHER_WEP;
	case IW_AUTH_CIPHER_TKIP:
		return IEEE80211_CIPHER_TKIP;
	case IW_AUTH_CIPHER_CCMP:
		return IEEE80211_CIPHER_AES_CCM;
	}
	return -1;
}

static int
ieee80211cipher2iwcipher(int ieee80211ciph)
{
	switch (ieee80211ciph) {
	case IEEE80211_CIPHER_NONE:
		return IW_AUTH_CIPHER_NONE;
	case IEEE80211_CIPHER_WEP:
		return IW_AUTH_CIPHER_WEP104;
	case IEEE80211_CIPHER_TKIP:
		return IW_AUTH_CIPHER_TKIP;
	case IEEE80211_CIPHER_AES_CCM:
		return IW_AUTH_CIPHER_CCMP;
	}
	return -1;
}

/* TODO We don't enforce wep key lengths. */
static int
siwauth_cipher_pairwise(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int iwciph = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_UCASTCIPHER;
	args[1] = iwcipher2ieee80211cipher(iwciph);
	if (args[1] < 0) {
		printk(KERN_WARNING "%s: unknown pairwise cipher %d\n",
		       dev->name, iwciph);
		return -EINVAL;
	}
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

/* TODO We don't enforce wep key lengths. */
static int
siwauth_cipher_group(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int iwciph = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_MCASTCIPHER;
	args[1] = iwcipher2ieee80211cipher(iwciph);
	if (args[1] < 0) {
		printk(KERN_WARNING "%s: unknown group cipher %d\n",
		       dev->name, iwciph);
		return -EINVAL;
	}
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_key_mgmt(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int iwkm = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_KEYMGTALGS;
	args[1] = WPA_ASE_NONE;
	if (iwkm & IW_AUTH_KEY_MGMT_802_1X)
		args[1] |= WPA_ASE_8021X_UNSPEC;
	if (iwkm & IW_AUTH_KEY_MGMT_PSK)
		args[1] |= WPA_ASE_8021X_PSK;

	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_tkip_countermeasures(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int args[2];
	args[0] = IEEE80211_PARAM_COUNTERMEASURES;
	args[1] = erq->value;
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_drop_unencrypted(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int args[2];
	args[0] = IEEE80211_PARAM_DROPUNENCRYPTED;
	args[1] = erq->value;
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}


static int
siwauth_80211_auth_alg(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
#define VALID_ALGS_MASK (IW_AUTH_ALG_OPEN_SYSTEM|IW_AUTH_ALG_SHARED_KEY|IW_AUTH_ALG_LEAP)
	int mode = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_AUTHMODE;

	if (mode & ~VALID_ALGS_MASK)
		return -EINVAL;

	if (mode & IW_AUTH_ALG_LEAP) {
		args[1] = IEEE80211_AUTH_8021X;
	} else if ((mode & IW_AUTH_ALG_SHARED_KEY) &&
		  (mode & IW_AUTH_ALG_OPEN_SYSTEM)) {
		args[1] = IEEE80211_AUTH_AUTO;
	} else if (mode & IW_AUTH_ALG_SHARED_KEY) {
		args[1] = IEEE80211_AUTH_SHARED;
	} else {
		args[1] = IEEE80211_AUTH_OPEN;
	}
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_wpa_enabled(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int enabled = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_WPA;
	if (enabled)
		args[1] = 3; /* enable WPA1 and WPA2 */
	else
		args[1] = 0; /* disable WPA1 and WPA2 */

	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_rx_unencrypted_eapol(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rxunenc = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_DROPUNENC_EAPOL;
	if (rxunenc)
		args[1] = 1;
	else
		args[1] = 0;

	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_roaming_control(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int roam = erq->value;
	int args[2];

	args[0] = IEEE80211_PARAM_ROAMING;
	switch (roam) {
	case IW_AUTH_ROAMING_ENABLE:
		args[1] = IEEE80211_ROAMING_AUTO;
		break;
	case IW_AUTH_ROAMING_DISABLE:
		args[1] = IEEE80211_ROAMING_MANUAL;
		break;
	default:
		return -EINVAL;
	}
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

static int
siwauth_privacy_invoked(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int args[2];
	args[0] = IEEE80211_PARAM_PRIVACY;
	args[1] = erq->value;
	return ieee80211_ioctl_setparam(dev, NULL, NULL, (char*)args);
}

/* 
 * If this function is invoked it means someone is using the wireless extensions
 * API instead of the private madwifi ioctls.  That's fine.  We translate their
 * request into the format used by the private ioctls.  Note that the 
 * iw_request_info and iw_param structures are not the same ones as the 
 * private ioctl handler expects.  Luckily, the private ioctl handler doesn't
 * do anything with those at the moment.  We pass NULL for those, because in 
 * case someone does modify the ioctl handler to use those values, a null 
 * pointer will be easier to debug than other bad behavior.
 */
static int
ieee80211_ioctl_siwauth(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc = -EOPNOTSUPP;

	switch (erq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		rc = siwauth_wpa_version(dev, info, erq, buf);
		break;
	case IW_AUTH_CIPHER_PAIRWISE:
		rc = siwauth_cipher_pairwise(dev, info, erq, buf);
		break;
	case IW_AUTH_CIPHER_GROUP:
		rc = siwauth_cipher_group(dev, info, erq, buf);
		break;
	case IW_AUTH_KEY_MGMT:
		rc = siwauth_key_mgmt(dev, info, erq, buf);
		break;
	case IW_AUTH_TKIP_COUNTERMEASURES:
		rc = siwauth_tkip_countermeasures(dev, info, erq, buf);
		break;
	case IW_AUTH_DROP_UNENCRYPTED:
		rc = siwauth_drop_unencrypted(dev, info, erq, buf);
		break;
	case IW_AUTH_80211_AUTH_ALG:
		rc = siwauth_80211_auth_alg(dev, info, erq, buf);
		break;
	case IW_AUTH_WPA_ENABLED:
		rc = siwauth_wpa_enabled(dev, info, erq, buf);
		break;
	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
		rc = siwauth_rx_unencrypted_eapol(dev, info, erq, buf);
		break;
	case IW_AUTH_ROAMING_CONTROL:
		rc = siwauth_roaming_control(dev, info, erq, buf);
		break;
	case IW_AUTH_PRIVACY_INVOKED:
		rc = siwauth_privacy_invoked(dev, info, erq, buf);
		break;
	default:
		printk(KERN_WARNING "%s: unknown SIOCSIWAUTH flag %d\n",
			dev->name, erq->flags);
		break;
	}

	return rc;
}

static int
giwauth_wpa_version(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int ver;
	int rc;
	int arg = IEEE80211_PARAM_WPA;

	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;

	switch (arg) {
	case 1:
		ver = IW_AUTH_WPA_VERSION_WPA;
		break;
	case 2:
		ver = IW_AUTH_WPA_VERSION_WPA2;
		break;
	case 3:
		ver = IW_AUTH_WPA_VERSION|IW_AUTH_WPA_VERSION_WPA2;
		break;
	default:
		ver = IW_AUTH_WPA_VERSION_DISABLED;
		break;
	}

	erq->value = ver;
	return rc;
}

static int
giwauth_cipher_pairwise(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc;
	int arg = IEEE80211_PARAM_UCASTCIPHER;

	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;

	erq->value = ieee80211cipher2iwcipher(arg);
	if (erq->value < 0)
		return -EINVAL;
	return 0;
}


static int
giwauth_cipher_group(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc;
	int arg = IEEE80211_PARAM_MCASTCIPHER;

	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;

	erq->value = ieee80211cipher2iwcipher(arg);
	if (erq->value < 0)
		return -EINVAL;
	return 0;
}

static int
giwauth_key_mgmt(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int arg;
	int rc;

	arg = IEEE80211_PARAM_KEYMGTALGS;
	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;
	erq->value = 0;
	if (arg & WPA_ASE_8021X_UNSPEC)
		erq->value |= IW_AUTH_KEY_MGMT_802_1X;
	if (arg & WPA_ASE_8021X_PSK)
		erq->value |= IW_AUTH_KEY_MGMT_PSK;
	return 0;
}

static int
giwauth_tkip_countermeasures(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int arg;
	int rc;

	arg = IEEE80211_PARAM_COUNTERMEASURES;
	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;
	erq->value = arg;
	return 0;
}

static int
giwauth_drop_unencrypted(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int arg;
	int rc;
	arg = IEEE80211_PARAM_DROPUNENCRYPTED;
	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;
	erq->value = arg;
	return 0;
}

static int
giwauth_80211_auth_alg(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	return -EOPNOTSUPP;
}

static int
giwauth_wpa_enabled(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc;
	int arg = IEEE80211_PARAM_WPA;

	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;

	erq->value = arg;
	return 0;

}

static int
giwauth_rx_unencrypted_eapol(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	return -EOPNOTSUPP;
}

static int
giwauth_roaming_control(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc;
	int arg;

	arg = IEEE80211_PARAM_ROAMING;
	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;

	switch (arg) {
	case IEEE80211_ROAMING_DEVICE:
	case IEEE80211_ROAMING_AUTO:
		erq->value = IW_AUTH_ROAMING_ENABLE;
		break;
	default:
		erq->value = IW_AUTH_ROAMING_DISABLE;
		break;
	}

	return 0;
}

static int
giwauth_privacy_invoked(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc;
	int arg;
	arg = IEEE80211_PARAM_PRIVACY;
	rc = ieee80211_ioctl_getparam(dev, NULL, NULL, (char*)&arg);
	if (rc)
		return rc;
	erq->value = arg;
	return 0;
}

static int
ieee80211_ioctl_giwauth(struct net_device *dev,
	struct iw_request_info *info, struct iw_param *erq, char *buf)
{
	int rc = -EOPNOTSUPP;

	switch (erq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		rc = giwauth_wpa_version(dev, info, erq, buf);
		break;
	case IW_AUTH_CIPHER_PAIRWISE:
		rc = giwauth_cipher_pairwise(dev, info, erq, buf);
		break;
	case IW_AUTH_CIPHER_GROUP:
		rc = giwauth_cipher_group(dev, info, erq, buf);
		break;
	case IW_AUTH_KEY_MGMT:
		rc = giwauth_key_mgmt(dev, info, erq, buf);
		break;
	case IW_AUTH_TKIP_COUNTERMEASURES:
		rc = giwauth_tkip_countermeasures(dev, info, erq, buf);
		break;
	case IW_AUTH_DROP_UNENCRYPTED:
		rc = giwauth_drop_unencrypted(dev, info, erq, buf);
		break;
	case IW_AUTH_80211_AUTH_ALG:
		rc = giwauth_80211_auth_alg(dev, info, erq, buf);
		break;
	case IW_AUTH_WPA_ENABLED:
		rc = giwauth_wpa_enabled(dev, info, erq, buf);
		break;
	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
		rc = giwauth_rx_unencrypted_eapol(dev, info, erq, buf);
		break;
	case IW_AUTH_ROAMING_CONTROL:
		rc = giwauth_roaming_control(dev, info, erq, buf);
		break;
	case IW_AUTH_PRIVACY_INVOKED:
		rc = giwauth_privacy_invoked(dev, info, erq, buf);
		break;
	default:
		printk(KERN_WARNING "%s: unknown SIOCGIWAUTH flag %d\n",
			dev->name, erq->flags);
		break;
	}

	return rc;
}

/*
 * Retrieve information about a key.  Open question: should we allow
 * callers to retrieve unicast keys based on a supplied MAC address?
 * The ipw2200 reference implementation doesn't, so we don't either.
 */
static int
ieee80211_ioctl_giwencodeext(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *erq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct iw_encode_ext *ext;
	struct ieee80211_key *wk;
	ieee80211_keyix_t kix;
	int max_key_len;
	int error;

	if (!capable(CAP_NET_ADMIN))
		return -EPERM;

	max_key_len = erq->length - sizeof(*ext);
	if (max_key_len < 0)
		return -EINVAL;
	ext = (struct iw_encode_ext *)extra;

	error = getiwkeyix(vap, erq, &kix);
	if (error < 0)
		return error;

	wk = &vap->iv_nw_keys[kix];
	if (wk->wk_keylen > max_key_len)
		return -E2BIG;

	erq->flags = kix + 1;
	memset(ext, 0, sizeof(*ext));

	ext->key_len = wk->wk_keylen;
	memcpy(ext->key, wk->wk_key, wk->wk_keylen);

	/* flags */
	if (wk->wk_flags & IEEE80211_KEY_GROUP)
		ext->ext_flags |= IW_ENCODE_EXT_GROUP_KEY;

	/* algorithm */
	switch (wk->wk_cipher->ic_cipher) {
	case IEEE80211_CIPHER_NONE:
		ext->alg = IW_ENCODE_ALG_NONE;
		erq->flags |= IW_ENCODE_DISABLED;
		break;
	case IEEE80211_CIPHER_WEP:
		ext->alg = IW_ENCODE_ALG_WEP;
		break;
	case IEEE80211_CIPHER_TKIP:
		ext->alg = IW_ENCODE_ALG_TKIP;
		break;
	case IEEE80211_CIPHER_AES_OCB:
	case IEEE80211_CIPHER_AES_CCM:
	case IEEE80211_CIPHER_CKIP:
		ext->alg = IW_ENCODE_ALG_CCMP;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int
ieee80211_ioctl_siwencodeext(struct net_device *dev,
	struct iw_request_info *info, struct iw_point *erq, char *extra)
{
	struct ieee80211vap *vap = dev->priv;
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	struct ieee80211req_key kr;
	ieee80211_keyix_t kix;
	int error;

	error = getiwkeyix(vap, erq, &kix);
	if (error < 0)
		return error;

	if (ext->key_len > (erq->length - sizeof(struct iw_encode_ext)))
	   	return -E2BIG;

	if (ext->alg == IW_ENCODE_ALG_NONE) {
		/* convert to the format used by IEEE_80211_IOCTL_DELKEY */
		struct ieee80211req_del_key dk;

		memset(&dk, 0, sizeof(dk));
		dk.idk_keyix = kix;
		memcpy(&dk.idk_macaddr, ext->addr.sa_data, IEEE80211_ADDR_LEN);

		return ieee80211_ioctl_delkey(dev, NULL, NULL, (char*)&dk);
	}

	/* TODO This memcmp for the broadcast address seems hackish, but
	 * mimics what wpa supplicant was doing.  The wpa supplicant comments
	 * make it sound like they were having trouble with 
	 * IEEE80211_IOCTL_SETKEY and static WEP keys.  It might be worth
	 * figuring out what their trouble was so the rest of this function
	 * can be implemented in terms of ieee80211_ioctl_setkey */
	if (ext->alg == IW_ENCODE_ALG_WEP &&
	    memcmp(ext->addr.sa_data, "\xff\xff\xff\xff\xff\xff",
		   IEEE80211_ADDR_LEN) == 0) {
		/* convert to the format used by SIOCSIWENCODE.  The old
		 * format just had the key in the extra buf, whereas the
		 * new format has the key tacked on to the end of the
		 * iw_encode_ext structure */
		struct iw_request_info oldinfo;
		struct iw_point olderq;
		char *key;

		memset(&oldinfo, 0, sizeof(oldinfo));
		oldinfo.cmd = SIOCSIWENCODE;
		oldinfo.flags = info->flags;

		memset(&olderq, 0, sizeof(olderq));
		olderq.flags = erq->flags;
		olderq.pointer = erq->pointer;
		olderq.length = ext->key_len;

		key = ext->key;

		return ieee80211_ioctl_siwencode(dev, &oldinfo, &olderq, key);
	}

	/* convert to the format used by IEEE_80211_IOCTL_SETKEY */
	memset(&kr, 0, sizeof(kr));

	switch (ext->alg) {
	case IW_ENCODE_ALG_WEP:
		kr.ik_type = IEEE80211_CIPHER_WEP;
		break;
	case IW_ENCODE_ALG_TKIP:
		kr.ik_type = IEEE80211_CIPHER_TKIP;
		break;
	case IW_ENCODE_ALG_CCMP:
		kr.ik_type = IEEE80211_CIPHER_AES_CCM;
		break;
	default:
		printk(KERN_WARNING "%s: unknown algorithm %d\n",
		       dev->name, ext->alg);
		return -EINVAL;
	}

	kr.ik_keyix = kix;

	if (ext->key_len > sizeof(kr.ik_keydata)) {
		printk(KERN_WARNING "%s: key size %d is too large\n",
		       dev->name, ext->key_len);
		return -E2BIG;
	}
	memcpy(kr.ik_keydata, ext->key, ext->key_len);
	kr.ik_keylen = ext->key_len;

	kr.ik_flags = IEEE80211_KEY_RECV;

	if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
		kr.ik_flags |= IEEE80211_KEY_GROUP;

	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
		kr.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
		memcpy(kr.ik_macaddr, ext->addr.sa_data, IEEE80211_ADDR_LEN);
	}

	if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
		memcpy(&kr.ik_keyrsc, ext->rx_seq, sizeof(kr.ik_keyrsc));
	}

	return ieee80211_ioctl_setkey(dev, NULL, NULL, (char*)&kr);
}
#endif /* WIRELESS_EXT >= 18 */

#define	IW_PRIV_TYPE_OPTIE	\
	IW_PRIV_BLOB_TYPE_ENCODING(IEEE80211_MAX_OPT_IE)
#define	IW_PRIV_TYPE_KEY 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_key))
#define	IW_PRIV_TYPE_DELKEY 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_del_key))
#define	IW_PRIV_TYPE_MLME 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_mlme))
#define	IW_PRIV_TYPE_CHANLIST 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_chanlist))
#define	IW_PRIV_TYPE_CHANINFO 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_chaninfo))
#define IW_PRIV_TYPE_APPIEBUF 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_getset_appiebuf) + IEEE80211_APPIE_MAX)
#define IW_PRIV_TYPE_FILTER 	\
	IW_PRIV_BLOB_TYPE_ENCODING(sizeof(struct ieee80211req_set_filter))

static const struct iw_priv_args ieee80211_priv_args[] = {
	/* NB: setoptie & getoptie are !IW_PRIV_SIZE_FIXED */
	{ IEEE80211_IOCTL_SETOPTIE,
	  IW_PRIV_TYPE_OPTIE, 0,			"setoptie" },
	{ IEEE80211_IOCTL_GETOPTIE,
	  0, IW_PRIV_TYPE_OPTIE,			"getoptie" },
	{ IEEE80211_IOCTL_SETKEY,
	  IW_PRIV_TYPE_KEY | IW_PRIV_SIZE_FIXED, 0,	"setkey" },
	{ IEEE80211_IOCTL_DELKEY,
	  IW_PRIV_TYPE_DELKEY | IW_PRIV_SIZE_FIXED, 0,	"delkey" },
	{ IEEE80211_IOCTL_SETMLME,
	  IW_PRIV_TYPE_MLME | IW_PRIV_SIZE_FIXED, 0,	"setmlme" },
	{ IEEE80211_IOCTL_ADDMAC,
	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"addmac" },
	{ IEEE80211_IOCTL_DELMAC,
	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"delmac" },
	{ IEEE80211_IOCTL_KICKMAC,
	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac"},
	{ IEEE80211_IOCTL_WDSADDMAC,
	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_add" },
	{ IEEE80211_IOCTL_WDSDELMAC,
	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_del" },
	{ IEEE80211_IOCTL_SETCHANLIST,
	  IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED, 0,"setchanlist" },
	{ IEEE80211_IOCTL_GETCHANLIST,
	  0, IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED,"getchanlist" },
	{ IEEE80211_IOCTL_GETCHANINFO,
	  0, IW_PRIV_TYPE_CHANINFO | IW_PRIV_SIZE_FIXED,"getchaninfo" },
	{ IEEE80211_IOCTL_SETMODE,
	  IW_PRIV_TYPE_CHAR |  6, 0, "mode" },
	{ IEEE80211_IOCTL_GETMODE,
	  0, IW_PRIV_TYPE_CHAR | 6, "get_mode" },
	{ IEEE80211_IOCTL_SETWMMPARAMS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 4, 0,"setwmmparams" },
	{ IEEE80211_IOCTL_GETWMMPARAMS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "getwmmparams" },
	{ IEEE80211_IOCTL_RADAR,
	  0, 0, "doth_radar" },
	{ IEEE80211_IOCTL_HALMAP,
	  0, 0, "dump_hal_map" },
	/*
	 * These depends on sub-ioctl support which added in version 12.
	 */
	{ IEEE80211_IOCTL_SETWMMPARAMS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"" },
	{ IEEE80211_IOCTL_GETWMMPARAMS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "" },
	/* sub-ioctl handlers */
	{ IEEE80211_WMMPARAMS_CWMIN,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"cwmin" },
	{ IEEE80211_WMMPARAMS_CWMIN,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_cwmin" },
	{ IEEE80211_WMMPARAMS_CWMAX,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"cwmax" },
	{ IEEE80211_WMMPARAMS_CWMAX,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_cwmax" },
	{ IEEE80211_WMMPARAMS_AIFS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"aifs" },
	{ IEEE80211_WMMPARAMS_AIFS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_aifs" },
	{ IEEE80211_WMMPARAMS_TXOPLIMIT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"txoplimit" },
	{ IEEE80211_WMMPARAMS_TXOPLIMIT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_txoplimit" },
	{ IEEE80211_WMMPARAMS_ACM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"acm" },
	{ IEEE80211_WMMPARAMS_ACM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_acm" },
	{ IEEE80211_WMMPARAMS_NOACKPOLICY,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0,"noackpolicy" },
	{ IEEE80211_WMMPARAMS_NOACKPOLICY,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,   "get_noackpolicy" },

	{ IEEE80211_IOCTL_SETPARAM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "setparam" },
	/*
	 * These depends on sub-ioctl support which added in version 12.
	 */
	{ IEEE80211_IOCTL_GETPARAM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,	"getparam" },

	/* sub-ioctl handlers */
	{ IEEE80211_IOCTL_SETPARAM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
	{ IEEE80211_IOCTL_GETPARAM,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },

	/* sub-ioctl definitions */
	{ IEEE80211_PARAM_AUTHMODE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "authmode" },
	{ IEEE80211_PARAM_AUTHMODE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_authmode" },
	{ IEEE80211_PARAM_PROTMODE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protmode" },
	{ IEEE80211_PARAM_PROTMODE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protmode" },
	{ IEEE80211_PARAM_MCASTCIPHER,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcastcipher" },
	{ IEEE80211_PARAM_MCASTCIPHER,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_mcastcipher" },
	{ IEEE80211_PARAM_MCASTKEYLEN,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcastkeylen" },
	{ IEEE80211_PARAM_MCASTKEYLEN,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_mcastkeylen" },
	{ IEEE80211_PARAM_UCASTCIPHERS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ucastciphers" },
	{ IEEE80211_PARAM_UCASTCIPHERS,
	/*
	 * NB: can't use "get_ucastciphers" due to iwpriv command names
	 *     must be <IFNAMESIZ which is 16.
	 */
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_uciphers" },
	{ IEEE80211_PARAM_UCASTCIPHER,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ucastcipher" },
	{ IEEE80211_PARAM_UCASTCIPHER,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_ucastcipher" },
	{ IEEE80211_PARAM_UCASTKEYLEN,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ucastkeylen" },
	{ IEEE80211_PARAM_UCASTKEYLEN,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_ucastkeylen" },
	{ IEEE80211_PARAM_KEYMGTALGS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "keymgtalgs" },
	{ IEEE80211_PARAM_KEYMGTALGS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_keymgtalgs" },
	{ IEEE80211_PARAM_RSNCAPS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rsncaps" },
	{ IEEE80211_PARAM_RSNCAPS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rsncaps" },
	{ IEEE80211_PARAM_ROAMING,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostroaming" },
	{ IEEE80211_PARAM_ROAMING,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_hostroaming" },
	{ IEEE80211_PARAM_PRIVACY,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy" },
	{ IEEE80211_PARAM_PRIVACY,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_privacy" },
	{ IEEE80211_PARAM_COUNTERMEASURES,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "countermeasures" },
	{ IEEE80211_PARAM_COUNTERMEASURES,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_countermeas" },
	{ IEEE80211_PARAM_DROPUNENCRYPTED,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dropunencrypted" },
	{ IEEE80211_PARAM_DROPUNENCRYPTED,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dropunencry" },
	{ IEEE80211_PARAM_WPA,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
	{ IEEE80211_PARAM_WPA,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wpa" },
	{ IEEE80211_PARAM_DRIVER_CAPS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "driver_caps" },
	{ IEEE80211_PARAM_DRIVER_CAPS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_driver_caps" },
	{ IEEE80211_PARAM_MACCMD,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
	{ IEEE80211_PARAM_WMM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wmm" },
	{ IEEE80211_PARAM_WMM,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wmm" },
	{ IEEE80211_PARAM_HIDESSID,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hide_ssid" },
	{ IEEE80211_PARAM_HIDESSID,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_hide_ssid" },
	{ IEEE80211_PARAM_APBRIDGE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_bridge" },
	{ IEEE80211_PARAM_APBRIDGE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_ap_bridge" },
	{ IEEE80211_PARAM_INACT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inact" },
	{ IEEE80211_PARAM_INACT,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_inact" },
	{ IEEE80211_PARAM_INACT_AUTH,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inact_auth" },
	{ IEEE80211_PARAM_INACT_AUTH,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_inact_auth" },
	{ IEEE80211_PARAM_INACT_INIT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inact_init" },
	{ IEEE80211_PARAM_INACT_INIT,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_inact_init" },
	{ IEEE80211_PARAM_ABOLT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "abolt" },
	{ IEEE80211_PARAM_ABOLT,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_abolt" },
	{ IEEE80211_PARAM_DTIM_PERIOD,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
	{ IEEE80211_PARAM_DTIM_PERIOD,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dtim_period" },
	/* XXX bintval chosen to avoid 16-char limit */
	{ IEEE80211_PARAM_BEACON_INTERVAL,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bintval" },
	{ IEEE80211_PARAM_BEACON_INTERVAL,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bintval" },
	{ IEEE80211_PARAM_BEACON_MISS_THRESH_MS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bmiss_ms" },
	{ IEEE80211_PARAM_BEACON_MISS_THRESH_MS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bmiss_ms" },
	{ IEEE80211_PARAM_BEACON_MISS_THRESH,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bmiss" },
	{ IEEE80211_PARAM_BEACON_MISS_THRESH,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bmiss" },
	{ IEEE80211_PARAM_DOTH,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth" },
	{ IEEE80211_PARAM_DOTH,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth" },
	{ IEEE80211_PARAM_PWRTARGET,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_pwrtgt" },
	{ IEEE80211_PARAM_PWRTARGET,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth_pwrtgt" },
	{ IEEE80211_PARAM_GENREASSOC,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_reassoc" },
	{ IEEE80211_PARAM_DOTH_ALGORITHM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_algo" },
	{ IEEE80211_PARAM_DOTH_ALGORITHM,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth_algo" },
	{ IEEE80211_PARAM_DOTH_MINCOM,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_mincom" },
	{ IEEE80211_PARAM_DOTH_MINCOM,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth_mincom" },
	{ IEEE80211_PARAM_DOTH_SLCG,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_slcg" },
	{ IEEE80211_PARAM_DOTH_SLCG,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth_slcg" },
	{ IEEE80211_PARAM_DOTH_SLDG,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "doth_sldg" },
	{ IEEE80211_PARAM_DOTH_SLDG,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_doth_sldg" },
	/* continuous transmission (for regulatory agency testing) */
	{ IEEE80211_PARAM_TXCONT,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txcont" },
	{ IEEE80211_PARAM_TXCONT,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_txcont" },
	{ IEEE80211_PARAM_TXCONT_RATE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txcontrate" },
	{ IEEE80211_PARAM_TXCONT_RATE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_txcontrate" },
	{ IEEE80211_PARAM_TXCONT_POWER,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txcontpower" },
	{ IEEE80211_PARAM_TXCONT_POWER,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_txcontpower" },
	{ IEEE80211_PARAM_DFS_TESTMODE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dfstestmode" },
	{ IEEE80211_PARAM_DFS_TESTMODE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dfstestmode" },
	{ IEEE80211_PARAM_DFS_CACTIME,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dfscactime" },
	{ IEEE80211_PARAM_DFS_CACTIME,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dfscactime" },
	{ IEEE80211_PARAM_DFS_EXCLPERIOD,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dfsexcltim" },
	{ IEEE80211_PARAM_DFS_EXCLPERIOD,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dfsexcltim" },
	{ IEEE80211_PARAM_COMPRESSION,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "compression" },
	{ IEEE80211_PARAM_COMPRESSION, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_compression" },
	{ IEEE80211_PARAM_FF,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ff" },
	{ IEEE80211_PARAM_FF, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_ff" },
	{ IEEE80211_PARAM_TURBO,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "turbo" },
	{ IEEE80211_PARAM_TURBO, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_turbo" },
	{ IEEE80211_PARAM_XR,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "xr" },
	{ IEEE80211_PARAM_XR, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_xr" },
	{ IEEE80211_PARAM_BURST,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "burst" },
	{ IEEE80211_PARAM_BURST, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_burst" },
	{ IEEE80211_IOCTL_CHANSWITCH,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0,	"doth_chanswitch" },
	{ IEEE80211_PARAM_PUREG,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pureg" },
	{ IEEE80211_PARAM_PUREG, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_pureg" },
	{ IEEE80211_PARAM_AR,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ar" },
	{ IEEE80211_PARAM_AR, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_ar" },
	{ IEEE80211_PARAM_WDS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds" },
	{ IEEE80211_PARAM_WDS, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wds" },
	{ IEEE80211_PARAM_BGSCAN,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bgscan" },
	{ IEEE80211_PARAM_BGSCAN, 0,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bgscan" },
	{ IEEE80211_PARAM_BGSCAN_IDLE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bgscanidle" },
	{ IEEE80211_PARAM_BGSCAN_IDLE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bgscanidle" },
	{ IEEE80211_PARAM_BGSCAN_INTERVAL,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bgscanintvl" },
	{ IEEE80211_PARAM_BGSCAN_INTERVAL,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bgscanintvl" },
	{ IEEE80211_PARAM_MCAST_RATE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcast_rate" },
	{ IEEE80211_PARAM_MCAST_RATE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_mcast_rate" },
	{ IEEE80211_PARAM_COVERAGE_CLASS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "coverageclass" },
	{ IEEE80211_PARAM_COVERAGE_CLASS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_coveragecls" },
	{ IEEE80211_PARAM_COUNTRY_IE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "countryie" },
	{ IEEE80211_PARAM_COUNTRY_IE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_countryie" },
	{ IEEE80211_PARAM_SCANVALID,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scanvalid" },
	{ IEEE80211_PARAM_SCANVALID,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_scanvalid" },
	{ IEEE80211_PARAM_REGCLASS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "regclass" },
	{ IEEE80211_PARAM_REGCLASS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_regclass" },
	{ IEEE80211_PARAM_DROPUNENC_EAPOL,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dropunenceapol" },
	{ IEEE80211_PARAM_DROPUNENC_EAPOL,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_dropunencea" },
	{ IEEE80211_PARAM_SHPREAMBLE,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "shpreamble" },
	{ IEEE80211_PARAM_SHPREAMBLE,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_shpreamble" },
	/*
	 * NB: these should be roamrssi* etc, but iwpriv usurps all
	 *     strings that start with roam!
	 */
	{ IEEE80211_PARAM_ROAM_RSSI_11A,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi11a" },
	{ IEEE80211_PARAM_ROAM_RSSI_11A,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi11a" },
	{ IEEE80211_PARAM_ROAM_RSSI_11B,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi11b" },
	{ IEEE80211_PARAM_ROAM_RSSI_11B,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi11b" },
	{ IEEE80211_PARAM_ROAM_RSSI_11G,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi11g" },
	{ IEEE80211_PARAM_ROAM_RSSI_11G,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi11g" },
	{ IEEE80211_PARAM_ROAM_RATE_11A,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rate11a" },
	{ IEEE80211_PARAM_ROAM_RATE_11A,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rate11a" },
	{ IEEE80211_PARAM_ROAM_RATE_11B,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rate11b" },
	{ IEEE80211_PARAM_ROAM_RATE_11B,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rate11b" },
	{ IEEE80211_PARAM_ROAM_RATE_11G,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rate11g" },
	{ IEEE80211_PARAM_ROAM_RATE_11G,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rate11g" },
	{ IEEE80211_PARAM_UAPSDINFO,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "uapsd" },
	{ IEEE80211_PARAM_UAPSDINFO,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_uapsd" },
	{ IEEE80211_PARAM_SLEEP,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "sleep" },
	{ IEEE80211_PARAM_SLEEP,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_sleep" },
	{ IEEE80211_PARAM_QOSNULL,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "qosnull" },
	{ IEEE80211_PARAM_PSPOLL,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pspoll" },
	{ IEEE80211_PARAM_EOSPDROP,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "eospdrop" },
	{ IEEE80211_PARAM_EOSPDROP,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_eospdrop" },
	{ IEEE80211_PARAM_MARKDFS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "markdfs" },
	{ IEEE80211_PARAM_MARKDFS,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_markdfs" },
	{ IEEE80211_IOCTL_SET_APPIEBUF,
	  IW_PRIV_TYPE_APPIEBUF, 0, "setiebuf" },
	{ IEEE80211_IOCTL_GET_APPIEBUF,
	  0, IW_PRIV_TYPE_APPIEBUF, "getiebuf" },
	{ IEEE80211_IOCTL_FILTERFRAME,
	  IW_PRIV_TYPE_FILTER , 0, "setfilter" },

	{ IEEE80211_PARAM_RSSI_EWMA,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi_ewma" },
	{ IEEE80211_PARAM_RSSI_EWMA,
	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi_ewma" },

#ifdef ATH_REVERSE_ENGINEERING
	/*
	Diagnostic dump of device registers
	*/
	{ IEEE80211_PARAM_DUMPREGS,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dumpregs" },
	{ IEEE80211_IOCTL_READREG,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "readreg" },
	{ IEEE80211_IOCTL_WRITEREG,
	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "writereg" },
#endif /* #ifdef ATH_REVERSE_ENGINEERING */
};

#define set_handler(x,f) [x - SIOCIWFIRST] = (iw_handler) f
static const iw_handler ieee80211_handlers[] = {
	set_handler(SIOCGIWNAME, ieee80211_ioctl_giwname),
	set_handler(SIOCSIWFREQ, ieee80211_ioctl_siwfreq),
	set_handler(SIOCGIWFREQ, ieee80211_ioctl_giwfreq),
	set_handler(SIOCSIWMODE, ieee80211_ioctl_siwmode),
	set_handler(SIOCGIWMODE, ieee80211_ioctl_giwmode),
	set_handler(SIOCSIWSENS, ieee80211_ioctl_siwsens),
	set_handler(SIOCGIWSENS, ieee80211_ioctl_giwsens),
	set_handler(SIOCGIWRANGE, ieee80211_ioctl_giwrange),
	set_handler(SIOCSIWSPY, ieee80211_ioctl_setspy),
	set_handler(SIOCGIWSPY, ieee80211_ioctl_getspy),
#if WIRELESS_EXT >= 16
	set_handler(SIOCSIWTHRSPY, ieee80211_ioctl_setthrspy),
	set_handler(SIOCGIWTHRSPY, ieee80211_ioctl_getthrspy),
#endif
	set_handler(SIOCSIWAP, ieee80211_ioctl_siwap),
	set_handler(SIOCGIWAP, ieee80211_ioctl_giwap),
#ifdef SIOCSIWMLME
	set_handler(SIOCSIWMLME, ieee80211_ioctl_siwmlme),
#endif
	set_handler(SIOCGIWAPLIST, ieee80211_ioctl_iwaplist),
#ifdef SIOCGIWSCAN
	set_handler(SIOCSIWSCAN, ieee80211_ioctl_siwscan),
	set_handler(SIOCGIWSCAN, ieee80211_ioctl_giwscan),
#endif /* SIOCGIWSCAN */
	set_handler(SIOCSIWESSID, ieee80211_ioctl_siwessid),
	set_handler(SIOCGIWESSID, ieee80211_ioctl_giwessid),
	set_handler(SIOCSIWNICKN, ieee80211_ioctl_siwnickn),
	set_handler(SIOCGIWNICKN, ieee80211_ioctl_giwnickn),
	set_handler(SIOCSIWRATE, ieee80211_ioctl_siwrate),
	set_handler(SIOCGIWRATE, ieee80211_ioctl_giwrate),
	set_handler(SIOCSIWRTS, ieee80211_ioctl_siwrts),
	set_handler(SIOCGIWRTS, ieee80211_ioctl_giwrts),
	set_handler(SIOCSIWFRAG, ieee80211_ioctl_siwfrag),
	set_handler(SIOCGIWFRAG, ieee80211_ioctl_giwfrag),
	set_handler(SIOCSIWTXPOW, ieee80211_ioctl_siwtxpow),
	set_handler(SIOCGIWTXPOW, ieee80211_ioctl_giwtxpow),
	set_handler(SIOCSIWRETRY, ieee80211_ioctl_siwretry),
	set_handler(SIOCGIWRETRY, ieee80211_ioctl_giwretry),
	set_handler(SIOCSIWENCODE, ieee80211_ioctl_siwencode),
	set_handler(SIOCGIWENCODE, ieee80211_ioctl_giwencode),
	set_handler(SIOCSIWPOWER, ieee80211_ioctl_siwpower),
	set_handler(SIOCGIWPOWER, ieee80211_ioctl_giwpower),
#if WIRELESS_EXT >= 18
	set_handler(SIOCSIWGENIE, ieee80211_ioctl_siwgenie),
	set_handler(SIOCGIWGENIE, ieee80211_ioctl_giwgenie),
	set_handler(SIOCSIWAUTH, ieee80211_ioctl_siwauth),
	set_handler(SIOCGIWAUTH, ieee80211_ioctl_giwauth),
	set_handler(SIOCSIWENCODEEXT, ieee80211_ioctl_siwencodeext),
	set_handler(SIOCGIWENCODEEXT, ieee80211_ioctl_giwencodeext),
#endif /* WIRELESS_EXT >= 18 */
};

#define set_priv(x,f) [x - SIOCIWFIRSTPRIV] = (iw_handler) f
static const iw_handler ieee80211_priv_handlers[] = {
	set_priv(IEEE80211_IOCTL_SETPARAM, ieee80211_ioctl_setparam),
	set_priv(IEEE80211_IOCTL_GETPARAM, ieee80211_ioctl_getparam),
	set_priv(IEEE80211_IOCTL_SETMODE, ieee80211_ioctl_setmode),
	set_priv(IEEE80211_IOCTL_GETMODE, ieee80211_ioctl_getmode),
	set_priv(IEEE80211_IOCTL_SETWMMPARAMS, ieee80211_ioctl_setwmmparams),
	set_priv(IEEE80211_IOCTL_GETWMMPARAMS, ieee80211_ioctl_getwmmparams),
	set_priv(IEEE80211_IOCTL_SETCHANLIST, ieee80211_ioctl_setchanlist),
	set_priv(IEEE80211_IOCTL_GETCHANLIST, ieee80211_ioctl_getchanlist),
	set_priv(IEEE80211_IOCTL_CHANSWITCH, ieee80211_ioctl_chanswitch),
	set_priv(IEEE80211_IOCTL_RADAR, ieee80211_ioctl_radar),
	set_priv(IEEE80211_IOCTL_GET_APPIEBUF, ieee80211_ioctl_getappiebuf),
	set_priv(IEEE80211_IOCTL_SET_APPIEBUF, ieee80211_ioctl_setappiebuf),
	set_priv(IEEE80211_IOCTL_FILTERFRAME, ieee80211_ioctl_setfilter),
	set_priv(IEEE80211_IOCTL_GETCHANINFO, ieee80211_ioctl_getchaninfo),
	set_priv(IEEE80211_IOCTL_SETOPTIE, ieee80211_ioctl_setoptie),
	set_priv(IEEE80211_IOCTL_GETOPTIE, ieee80211_ioctl_getoptie),
	set_priv(IEEE80211_IOCTL_SETMLME, ieee80211_ioctl_setmlme),
	set_priv(IEEE80211_IOCTL_SETKEY, ieee80211_ioctl_setkey),
	set_priv(IEEE80211_IOCTL_DELKEY, ieee80211_ioctl_delkey),
	set_priv(IEEE80211_IOCTL_HALMAP, ieee80211_ioctl_hal_map),
	set_priv(IEEE80211_IOCTL_ADDMAC, ieee80211_ioctl_addmac),
	set_priv(IEEE80211_IOCTL_DELMAC, ieee80211_ioctl_delmac),
	set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsmac),
	set_priv(IEEE80211_IOCTL_WDSDELMAC, ieee80211_ioctl_wdsdelmac),
	set_priv(IEEE80211_IOCTL_KICKMAC, ieee80211_ioctl_kickmac),
#ifdef ATH_REVERSE_ENGINEERING
	set_priv(IEEE80211_IOCTL_READREG, ieee80211_ioctl_readreg),
	set_priv(IEEE80211_IOCTL_WRITEREG, ieee80211_ioctl_writereg),
#endif /* #ifdef ATH_REVERSE_ENGINEERING */
};

static struct iw_handler_def ieee80211_iw_handler_def = {
	.standard		= (iw_handler *) ieee80211_handlers,
	.num_standard		= ARRAY_SIZE(ieee80211_handlers),
	.private		= (iw_handler *) ieee80211_priv_handlers,
	.num_private		= ARRAY_SIZE(ieee80211_priv_handlers),
	.private_args		= (struct iw_priv_args *) ieee80211_priv_args,
	.num_private_args	= ARRAY_SIZE(ieee80211_priv_args),
#if IW_HANDLER_VERSION >= 7
	.get_wireless_stats	= ieee80211_iw_getstats,
#endif
};

/*
 * Handle private ioctl requests.
 */
static int
ieee80211_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct ieee80211vap *vap = dev->priv;

	switch (cmd) {
	case SIOCG80211STATS:
		return copy_to_user(ifr->ifr_data, &vap->iv_stats,
			sizeof (vap->iv_stats)) ? -EFAULT : 0;
	case SIOC80211IFDESTROY:
		if (!capable(CAP_NET_ADMIN))
			return -EPERM;
		ieee80211_stop(vap->iv_dev);	/* force state before cleanup */
		vap->iv_ic->ic_vap_delete(vap);
		return 0;
	case IEEE80211_IOCTL_GETKEY:
		return ieee80211_ioctl_getkey(dev, (struct iwreq *) ifr);
	case IEEE80211_IOCTL_GETWPAIE:
		return ieee80211_ioctl_getwpaie(dev, (struct iwreq *) ifr);
	case IEEE80211_IOCTL_STA_STATS:
		return ieee80211_ioctl_getstastats(dev, (struct iwreq *) ifr);
	case IEEE80211_IOCTL_STA_INFO:
		return ieee80211_ioctl_getstainfo(dev, (struct iwreq *) ifr);
	case IEEE80211_IOCTL_SCAN_RESULTS:
		return ieee80211_ioctl_getscanresults(dev, (struct iwreq *)ifr);
	}
	return -EOPNOTSUPP;
}

/*
 * Create a virtual ap.  This is public as it must be implemented
 * outside our control (e.g. in the driver).
 */
int
ieee80211_ioctl_create_vap(struct ieee80211com *ic, struct ifreq *ifr, struct net_device *mdev)
{
	struct ieee80211_clone_params cp;
	struct ieee80211vap *vap;
	char name[IFNAMSIZ];

	if (!capable(CAP_NET_ADMIN))
		return -EPERM;
	if (copy_from_user(&cp, ifr->ifr_data, sizeof(cp)))
		return -EFAULT;

	strncpy(name, cp.icp_name, sizeof(name));

	vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags);
	if (vap == NULL)
		return -EIO;

	/* return final device name */
	strncpy(ifr->ifr_name, vap->iv_dev->name, IFNAMSIZ);
	return 0;
}
EXPORT_SYMBOL(ieee80211_ioctl_create_vap);

/*
 * Create a virtual ap.  This is public as it must be implemented
 * outside our control (e.g. in the driver).
 * Must be called with rtnl_lock held
 */
struct ieee80211vap*
ieee80211_create_vap(struct ieee80211com *ic, char *name,
	struct net_device *mdev, int opmode, int opflags)
{
	return ic->ic_vap_create(ic, name, opmode, opflags, mdev);
}
EXPORT_SYMBOL(ieee80211_create_vap);


void
ieee80211_ioctl_vattach(struct ieee80211vap *vap)
{
	struct net_device *dev = vap->iv_dev;

	dev->do_ioctl = ieee80211_ioctl;
#if IW_HANDLER_VERSION < 7
	dev->get_wireless_stats = ieee80211_iw_getstats;
#endif
	dev->wireless_handlers = &ieee80211_iw_handler_def;
}

void
ieee80211_ioctl_vdetach(struct ieee80211vap *vap)
{
}