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path: root/drivers/staging/wlan-ng/p80211wext.c
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/* src/p80211/p80211wext.c
*
* Glue code to make linux-wlan-ng a happy wireless extension camper.
*
* original author:  Reyk Floeter <reyk@synack.de>
* Completely re-written by Solomon Peachy <solomon@linux-wlan.com>
*
* Copyright (C) 2002 AbsoluteValue Systems, Inc.  All Rights Reserved.
* --------------------------------------------------------------------
*
* linux-wlan
*
*   The contents of this file are subject to the Mozilla Public
*   License Version 1.1 (the "License"); you may not use this file
*   except in compliance with the License. You may obtain a copy of
*   the License at http://www.mozilla.org/MPL/
*
*   Software distributed under the License is distributed on an "AS
*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
*   implied. See the License for the specific language governing
*   rights and limitations under the License.
*
*   Alternatively, the contents of this file may be used under the
*   terms of the GNU Public License version 2 (the "GPL"), in which
*   case the provisions of the GPL are applicable instead of the
*   above.  If you wish to allow the use of your version of this file
*   only under the terms of the GPL and not to allow others to use
*   your version of this file under the MPL, indicate your decision
*   by deleting the provisions above and replace them with the notice
*   and other provisions required by the GPL.  If you do not delete
*   the provisions above, a recipient may use your version of this
*   file under either the MPL or the GPL.
*
* --------------------------------------------------------------------
*/

/*================================================================*/
/* System Includes */


#include <linux/version.h>

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/wireless.h>
#if WIRELESS_EXT > 12
#include <net/iw_handler.h>
#endif
#include <linux/if_arp.h>
#include <asm/bitops.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>

/*================================================================*/
/* Project Includes */

#include "version.h"
#include "wlan_compat.h"

#include "p80211types.h"
#include "p80211hdr.h"
#include "p80211conv.h"
#include "p80211mgmt.h"
#include "p80211msg.h"
#include "p80211metastruct.h"
#include "p80211metadef.h"
#include "p80211netdev.h"
#include "p80211ioctl.h"
#include "p80211req.h"

static int p80211wext_giwrate(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_param *rrq, char *extra);
static int p80211wext_giwessid(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *essid);
/* compatibility to wireless extensions */
#ifdef WIRELESS_EXT

static UINT8 p80211_mhz_to_channel(UINT16 mhz)
{
	if (mhz >= 5000) {
		return ((mhz - 5000) / 5);
	}

	if (mhz == 2482)
		return 14;

	if (mhz >= 2407) {
		return ((mhz - 2407) / 5);
	}

	return 0;
}

static UINT16 p80211_channel_to_mhz(UINT8 ch, int dot11a)
{

	if (ch == 0)
		return 0;
	if (ch > 200)
		return 0;

	/* 5G */

	if (dot11a) {
		return (5000 + (5 * ch));
	}

	/* 2.4G */

	if (ch == 14)
		return 2484;

	if ((ch < 14) && (ch > 0)) {
		return (2407 + (5 * ch));
	}

	return 0;
}

/* taken from orinoco.c ;-) */
static const long p80211wext_channel_freq[] = {
	2412, 2417, 2422, 2427, 2432, 2437, 2442,
	2447, 2452, 2457, 2462, 2467, 2472, 2484
};
#define NUM_CHANNELS (sizeof(p80211wext_channel_freq) / sizeof(p80211wext_channel_freq[0]))

/* steal a spare bit to store the shared/opensystems state. should default to open if not set */
#define HOSTWEP_SHAREDKEY BIT3


/** function declarations =============== */

static int qual_as_percent(int snr ) {
  if ( snr <= 0 )
    return 0;
  if ( snr <= 40 )
    return snr*5/2;
  return 100;
}




static int p80211wext_dorequest(wlandevice_t *wlandev, UINT32 did, UINT32 data)
{
	p80211msg_dot11req_mibset_t	msg;
	p80211item_uint32_t		mibitem;
	int	result;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibset;
	mibitem.did = did;
	mibitem.data = data;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	DBFEXIT;
	return result;
}

static int p80211wext_autojoin(wlandevice_t *wlandev)
{
	p80211msg_lnxreq_autojoin_t     msg;
	struct iw_point			data;
	char ssid[IW_ESSID_MAX_SIZE];

	int result;
	int err = 0;

	DBFENTER;

	/* Get ESSID */
	result = p80211wext_giwessid(wlandev->netdev, NULL, &data, ssid);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	if ( wlandev->hostwep & HOSTWEP_SHAREDKEY )
	  msg.authtype.data = P80211ENUM_authalg_sharedkey;
	else
	  msg.authtype.data = P80211ENUM_authalg_opensystem;

	msg.msgcode = DIDmsg_lnxreq_autojoin;

	/* Trim the last '\0' to fit the SSID format */

	if (data.length && ssid[data.length-1] == '\0') {
		data.length = data.length - 1;
	}

	memcpy(msg.ssid.data.data, ssid, data.length);
	msg.ssid.data.len = data.length;

	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

exit:

	DBFEXIT;
	return err;

}

/* called by /proc/net/wireless */
struct iw_statistics* p80211wext_get_wireless_stats (netdevice_t *dev)
{
	p80211msg_lnxreq_commsquality_t  quality;
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	struct iw_statistics* wstats = &wlandev->wstats;
	int retval;

	DBFENTER;
	/* Check */
	if ( (wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING) )
		return NULL;

	/* XXX Only valid in station mode */
	wstats->status = 0;

	/* build request message */
	quality.msgcode = DIDmsg_lnxreq_commsquality;
	quality.dbm.data = P80211ENUM_truth_true;
	quality.dbm.status = P80211ENUM_msgitem_status_data_ok;

	/* send message to nsd */
	if ( wlandev->mlmerequest == NULL )
		return NULL;

	retval = wlandev->mlmerequest(wlandev, (p80211msg_t*) &quality);

	wstats->qual.qual = qual_as_percent(quality.link.data);    /* overall link quality */
	wstats->qual.level = quality.level.data;  /* instant signal level */
	wstats->qual.noise = quality.noise.data;  /* instant noise level */

#if WIRELESS_EXT > 18
	wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
#else
	wstats->qual.updated = 7;
#endif
	wstats->discard.code = wlandev->rx.decrypt_err;
	wstats->discard.nwid = 0;
	wstats->discard.misc = 0;

#if WIRELESS_EXT > 11
	wstats->discard.fragment = 0;  // incomplete fragments
	wstats->discard.retries = 0;   // tx retries.
	wstats->miss.beacon = 0;
#endif

	DBFEXIT;

	return wstats;
}

static int p80211wext_giwname(netdevice_t *dev,
			      struct iw_request_info *info,
			      char *name, char *extra)
{
	struct iw_param rate;
	int result;
	int err = 0;

	DBFENTER;

	result = p80211wext_giwrate(dev, NULL, &rate, NULL);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	switch (rate.value) {
	case 1000000:
	case 2000000:
		strcpy(name, "IEEE 802.11-DS");
		break;
	case 5500000:
	case 11000000:
		strcpy(name, "IEEE 802.11-b");
		break;
	}
exit:
	DBFEXIT;
	return err;
}

static int p80211wext_giwfreq(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_freq *freq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	if (mibitem.data > NUM_CHANNELS) {
		err = -EFAULT;
		goto exit;
	}

	/* convert into frequency instead of a channel */
	freq->e = 1;
	freq->m = p80211_channel_to_mhz(mibitem.data, 0) * 100000;

 exit:
	DBFEXIT;
	return err;
}

static int p80211wext_siwfreq(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_freq *freq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	msg.msgcode = DIDmsg_dot11req_mibset;
	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
	mibitem.status = P80211ENUM_msgitem_status_data_ok;

	if ( (freq->e == 0) && (freq->m <= 1000) )
		mibitem.data = freq->m;
	else
		mibitem.data = p80211_mhz_to_channel(freq->m);

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

 exit:
	DBFEXIT;
	return err;
}

#if WIRELESS_EXT > 8

static int p80211wext_giwmode(netdevice_t *dev,
			      struct iw_request_info *info,
			      __u32 *mode, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;

	DBFENTER;

	switch (wlandev->macmode) {
	case WLAN_MACMODE_IBSS_STA:
		*mode = IW_MODE_ADHOC;
		break;
	case WLAN_MACMODE_ESS_STA:
		*mode = IW_MODE_INFRA;
		break;
	case WLAN_MACMODE_ESS_AP:
		*mode = IW_MODE_MASTER;
		break;
	default:
		/* Not set yet. */
		*mode = IW_MODE_AUTO;
	}

	DBFEXIT;
	return 0;
}

static int p80211wext_siwmode(netdevice_t *dev,
			      struct iw_request_info *info,
			      __u32 *mode, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int 	result;
	int     err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
	    *mode != IW_MODE_MASTER) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	/* Operation mode is the same with current mode */
	if (*mode == wlandev->macmode)
		goto exit;

	switch (*mode) {
	case IW_MODE_ADHOC:
		wlandev->macmode = WLAN_MACMODE_IBSS_STA;
		break;
	case IW_MODE_INFRA:
		wlandev->macmode = WLAN_MACMODE_ESS_STA;
		break;
	case IW_MODE_MASTER:
		wlandev->macmode = WLAN_MACMODE_ESS_AP;
		break;
	default:
		/* Not set yet. */
		WLAN_LOG_INFO("Operation mode: %d not support\n", *mode);
		return -EOPNOTSUPP;
	}

	/* Set Operation mode to the PORT TYPE RID */

#warning "get rid of p2mib here"

	msg.msgcode = DIDmsg_dot11req_mibset;
	mibitem.did = DIDmib_p2_p2Static_p2CnfPortType;
	mibitem.data = (*mode == IW_MODE_ADHOC) ? 0 : 1;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result)
		err = -EFAULT;

 exit:
	DBFEXIT;

	return err;
}


static int p80211wext_giwrange(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *extra)
{
        struct iw_range *range = (struct iw_range *) extra;
	int i, val;

	DBFENTER;

	// for backward compatability set size & zero everything we don't understand
	data->length = sizeof(*range);
	memset(range,0,sizeof(*range));

#if WIRELESS_EXT > 9
	range->txpower_capa = IW_TXPOW_DBM;
	// XXX what about min/max_pmp, min/max_pmt, etc.
#endif

#if WIRELESS_EXT > 10
	range->we_version_compiled = WIRELESS_EXT;
	range->we_version_source = 13;

	range->retry_capa = IW_RETRY_LIMIT;
	range->retry_flags = IW_RETRY_LIMIT;
	range->min_retry = 0;
	range->max_retry = 255;
#endif /* WIRELESS_EXT > 10 */

#if WIRELESS_EXT > 16
        range->event_capa[0] = (IW_EVENT_CAPA_K_0 |  //mode/freq/ssid
                                IW_EVENT_CAPA_MASK(SIOCGIWAP) |
                                IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
        range->event_capa[1] = IW_EVENT_CAPA_K_1;  //encode
        range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVQUAL) |
                                IW_EVENT_CAPA_MASK(IWEVCUSTOM) );
#endif

	range->num_channels = NUM_CHANNELS;

	/* XXX need to filter against the regulatory domain &| active set */
	val = 0;
	for (i = 0; i < NUM_CHANNELS ; i++) {
		range->freq[val].i = i + 1;
		range->freq[val].m = p80211wext_channel_freq[i] * 100000;
		range->freq[val].e = 1;
		val++;
	}

	range->num_frequency = val;

	/* Max of /proc/net/wireless */
	range->max_qual.qual = 100;
	range->max_qual.level = 0;
	range->max_qual.noise = 0;
	range->sensitivity = 3;
	// XXX these need to be nsd-specific!

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

	range->max_encoding_tokens = NUM_WEPKEYS;
	range->num_encoding_sizes = 2;
	range->encoding_size[0] = 5;
	range->encoding_size[1] = 13;

	// XXX what about num_bitrates/throughput?
	range->num_bitrates = 0;

	/* estimated max throughput */
	// XXX need to cap it if we're running at ~2Mbps..
	range->throughput = 5500000;

	DBFEXIT;
	return 0;
}
#endif

static int p80211wext_giwap(netdevice_t *dev,
			    struct iw_request_info *info,
			    struct sockaddr *ap_addr, char *extra)
{

	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;

	DBFENTER;

	memcpy(ap_addr->sa_data, wlandev->bssid, WLAN_BSSID_LEN);
	ap_addr->sa_family = ARPHRD_ETHER;

	DBFEXIT;
	return 0;
}

#if WIRELESS_EXT > 8
static int p80211wext_giwencode(netdevice_t *dev,
				struct iw_request_info *info,
				struct iw_point *erq, char *key)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	int err = 0;
	int i;

	DBFENTER;

	if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED)
		erq->flags = IW_ENCODE_ENABLED;
	else
		erq->flags = IW_ENCODE_DISABLED;

	if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED)
		erq->flags |= IW_ENCODE_RESTRICTED;
	else
		erq->flags |= IW_ENCODE_OPEN;

	i = (erq->flags & IW_ENCODE_INDEX) - 1;

	if (i == -1)
		i = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK;

	if ((i < 0) || (i >= NUM_WEPKEYS)) {
		err = -EINVAL;
		goto exit;
	}

	erq->flags |= i + 1;

	/* copy the key from the driver cache as the keys are read-only MIBs */
	erq->length = wlandev->wep_keylens[i];
	memcpy(key, wlandev->wep_keys[i], erq->length);

 exit:
	DBFEXIT;
	return err;
}

static int p80211wext_siwencode(netdevice_t *dev,
				struct iw_request_info *info,
				struct iw_point *erq, char *key)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211msg_dot11req_mibset_t	msg;
	p80211item_pstr32_t		pstr;

	int err = 0;
	int result = 0;
	int enable = 0;
	int i;

	DBFENTER;
	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	/* Check the Key index first. */
	if((i = (erq->flags & IW_ENCODE_INDEX))) {

		if ((i < 1) || (i > NUM_WEPKEYS)) {
			err = -EINVAL;
			goto exit;
		}
		else
			i--;

		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, i);

		if (result) {
			err = -EFAULT;
			goto exit;
		}
		else {
			enable = 1;
		}

	}
	else {
		// Do not thing when no Key Index
	}

	/* Check if there is no key information in the iwconfig request */
	if((erq->flags & IW_ENCODE_NOKEY) == 0 && enable == 1) {

		/*------------------------------------------------------------
		 * If there is WEP Key for setting, check the Key Information
		 * and then set it to the firmware.
		 -------------------------------------------------------------*/

		if (erq->length > 0) {

			/* copy the key from the driver cache as the keys are read-only MIBs */
			wlandev->wep_keylens[i] = erq->length;
			memcpy(wlandev->wep_keys[i], key, erq->length);

			/* Prepare data struture for p80211req_dorequest. */
			memcpy(pstr.data.data, key, erq->length);
			pstr.data.len = erq->length;

			switch(i)
			{
				case 0:
					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
					break;

				case 1:
					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
					break;

				case 2:
					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
					break;

				case 3:
					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
					break;

				default:
					err = -EINVAL;
					goto exit;
			}

			msg.msgcode = DIDmsg_dot11req_mibset;
			memcpy(&msg.mibattribute.data, &pstr, sizeof(pstr));
			result = p80211req_dorequest(wlandev, (UINT8*)&msg);

			if (result) {
				err = -EFAULT;
				goto exit;
			}
		}

	}

	/* Check the PrivacyInvoked flag */
	if (erq->flags & IW_ENCODE_DISABLED) {
		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false);
	}
	else if((erq->flags & IW_ENCODE_ENABLED) || enable == 1) {
		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true);
	}

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	/* Check the ExcludeUnencrypted flag */
	if (erq->flags & IW_ENCODE_RESTRICTED) {
		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true);
	}
	else if (erq->flags & IW_ENCODE_OPEN) {
		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false);
	}

	if (result) {
		err = -EFAULT;
		goto exit;
	}

 exit:

	DBFEXIT;
	return err;
}

static int p80211wext_giwessid(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *essid)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;

	DBFENTER;

	if (wlandev->ssid.len) {
		data->length = wlandev->ssid.len;
		data->flags = 1;
		memcpy(essid, wlandev->ssid.data, data->length);
		essid[data->length] = 0;
#if (WIRELESS_EXT < 21)
		data->length++;
#endif
	} else {
	  	memset(essid, 0, sizeof(wlandev->ssid.data));
		data->length = 0;
		data->flags = 0;
	}

	DBFEXIT;
	return 0;
}

static int p80211wext_siwessid(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *essid)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211msg_lnxreq_autojoin_t     msg;

	int result;
	int err = 0;
	int length = data->length;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}


	if ( wlandev->hostwep & HOSTWEP_SHAREDKEY )
	  msg.authtype.data = P80211ENUM_authalg_sharedkey;
	else
	  msg.authtype.data = P80211ENUM_authalg_opensystem;

	msg.msgcode = DIDmsg_lnxreq_autojoin;

#if (WIRELESS_EXT < 21)
	if (length) length--;
#endif

	/* Trim the last '\0' to fit the SSID format */

	if (length && essid[length-1] == '\0') {
	  length--;
	}

	memcpy(msg.ssid.data.data, essid, length);
	msg.ssid.data.len = length;

	WLAN_LOG_DEBUG(1,"autojoin_ssid for %s \n",essid);
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
        WLAN_LOG_DEBUG(1,"autojoin_ssid %d\n",result);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

 exit:
	DBFEXIT;
	return err;
}


static int p80211wext_siwcommit(netdevice_t *dev,
				struct iw_request_info *info,
				struct iw_point *data, char *essid)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	int err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	/* Auto Join */
	err = p80211wext_autojoin(wlandev);

 exit:
 	DBFEXIT;
	return err;
}


static int p80211wext_giwrate(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_param *rrq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_p2_p2MAC_p2CurrentTxRate;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	rrq->fixed = 0;   /* can it change? */
	rrq->disabled = 0;
	rrq->value = 0;

#define		HFA384x_RATEBIT_1			((UINT16)1)
#define		HFA384x_RATEBIT_2			((UINT16)2)
#define		HFA384x_RATEBIT_5dot5			((UINT16)4)
#define		HFA384x_RATEBIT_11			((UINT16)8)

	switch (mibitem.data) {
	case HFA384x_RATEBIT_1:
		rrq->value = 1000000;
		break;
	case HFA384x_RATEBIT_2:
		rrq->value = 2000000;
		break;
	case HFA384x_RATEBIT_5dot5:
		rrq->value = 5500000;
		break;
	case HFA384x_RATEBIT_11:
		rrq->value = 11000000;
		break;
	default:
		err = -EINVAL;
	}
 exit:
	DBFEXIT;
	return err;
}

static int p80211wext_giwrts(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_param *rts, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	rts->value = mibitem.data;
	rts->disabled = (rts->value == 2347);
	rts->fixed = 1;

 exit:
	DBFEXIT;
	return err;
}


static int p80211wext_siwrts(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_param *rts, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
	if (rts->disabled)
		mibitem.data = 2347;
	else
		mibitem.data = rts->value;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

 exit:
	DBFEXIT;
	return err;
}

static int p80211wext_giwfrag(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_param *frag, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	frag->value = mibitem.data;
	frag->disabled = (frag->value == 2346);
	frag->fixed = 1;

 exit:
	DBFEXIT;
	return err;
}

static int p80211wext_siwfrag(netdevice_t *dev,
			      struct iw_request_info *info,
			      struct iw_param *frag, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	msg.msgcode = DIDmsg_dot11req_mibset;
	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;

	if (frag->disabled)
		mibitem.data = 2346;
	else
		mibitem.data = frag->value;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

 exit:
	DBFEXIT;
	return err;
}

#endif  /* WIRELESS_EXT > 8 */

#if WIRELESS_EXT > 10

#ifndef IW_RETRY_LONG
#define IW_RETRY_LONG IW_RETRY_MAX
#endif

#ifndef IW_RETRY_SHORT
#define IW_RETRY_SHORT IW_RETRY_MIN
#endif

static int p80211wext_giwretry(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_param *rrq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;
	UINT16 shortretry, longretry, lifetime;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	shortretry = mibitem.data;

	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	longretry = mibitem.data;

	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	lifetime = mibitem.data;

	rrq->disabled = 0;

	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
		rrq->flags = IW_RETRY_LIFETIME;
		rrq->value = lifetime * 1024;
	} else {
		if (rrq->flags & IW_RETRY_LONG) {
			rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
			rrq->value = longretry;
		} else {
			rrq->flags = IW_RETRY_LIMIT;
			rrq->value = shortretry;
			if (shortretry != longretry)
				rrq->flags |= IW_RETRY_SHORT;
		}
	}

 exit:
	DBFEXIT;
	return err;

}

static int p80211wext_siwretry(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_param *rrq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	if (!wlan_wext_write) {
		err = (-EOPNOTSUPP);
		goto exit;
	}

	if (rrq->disabled) {
		err = -EINVAL;
		goto exit;
	}

	msg.msgcode = DIDmsg_dot11req_mibset;

	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
		mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
		mibitem.data =  rrq->value /= 1024;

		memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
		result = p80211req_dorequest(wlandev, (UINT8*)&msg);

		if (result) {
			err = -EFAULT;
			goto exit;
		}
	} else {
		if (rrq->flags & IW_RETRY_LONG) {
			mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
			mibitem.data = rrq->value;

			memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
			result = p80211req_dorequest(wlandev, (UINT8*)&msg);

			if (result) {
				err = -EFAULT;
				goto exit;
			}
		}

		if (rrq->flags & IW_RETRY_SHORT) {
			mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
			mibitem.data = rrq->value;

			memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
			result = p80211req_dorequest(wlandev, (UINT8*)&msg);

			if (result) {
				err = -EFAULT;
				goto exit;
			}
		}
	}

 exit:
	DBFEXIT;
	return err;

}

#endif /* WIRELESS_EXT > 10 */

#if WIRELESS_EXT > 9
static int p80211wext_siwtxpow(netdevice_t *dev,
                               struct iw_request_info *info,
                               struct iw_param *rrq, char *extra)
{
        wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
        p80211item_uint32_t             mibitem;
        p80211msg_dot11req_mibset_t     msg;
        int result;
        int err = 0;

        DBFENTER;

       if (!wlan_wext_write) {
                err = (-EOPNOTSUPP);
                goto exit;
        }

        msg.msgcode = DIDmsg_dot11req_mibset;

        switch (rrq->value) {

          case 1 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1; break;
          case 2 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2; break;
          case 3 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3; break;
          case 4 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4; break;
          case 5 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5; break;
          case 6 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6; break;
          case 7 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7; break;
          case 8 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break;
          default: mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break;
	}

        memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
        result = p80211req_dorequest(wlandev, (UINT8*)&msg);

        if (result) {
                err = -EFAULT;
                goto exit;
        }

 exit:
        DBFEXIT;
        return err;
}

static int p80211wext_giwtxpow(netdevice_t *dev,
			       struct iw_request_info *info,
			       struct iw_param *rrq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211item_uint32_t             mibitem;
	p80211msg_dot11req_mibset_t     msg;
	int result;
	int err = 0;

	DBFENTER;

	msg.msgcode = DIDmsg_dot11req_mibget;
	mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;

	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
	result = p80211req_dorequest(wlandev, (UINT8*)&msg);

	if (result) {
		err = -EFAULT;
		goto exit;
	}

	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));

	// XXX handle OFF by setting disabled = 1;

	rrq->flags = 0; // IW_TXPOW_DBM;
	rrq->disabled = 0;
	rrq->fixed = 0;
	rrq->value = mibitem.data;

 exit:
	DBFEXIT;
	return err;
}
#endif /* WIRELESS_EXT > 9 */

static int p80211wext_siwspy(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_point *srq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
        struct sockaddr address[IW_MAX_SPY];
        int number = srq->length;
        int i;

	DBFENTER;

	/* Copy the data from the input buffer */
	memcpy(address, extra, sizeof(struct sockaddr)*number);

        wlandev->spy_number = 0;

        if (number > 0) {

                /* extract the addresses */
                for (i = 0; i < number; i++) {

                        memcpy(wlandev->spy_address[i], address[i].sa_data, ETH_ALEN);
		}

                /* reset stats */
                memset(wlandev->spy_stat, 0, sizeof(struct iw_quality) * IW_MAX_SPY);

                /* set number of addresses */
                wlandev->spy_number = number;
        }

	DBFEXIT;
	return 0;
}

/* jkriegl: from orinoco, modified */
static int p80211wext_giwspy(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_point *srq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;

        struct sockaddr address[IW_MAX_SPY];
        struct iw_quality spy_stat[IW_MAX_SPY];
        int number;
        int i;

	DBFENTER;

        number = wlandev->spy_number;

        if (number > 0) {

                /* populate address and spy struct's */
                for (i = 0; i < number; i++) {
                        memcpy(address[i].sa_data, wlandev->spy_address[i], ETH_ALEN);
                        address[i].sa_family = AF_UNIX;
                	memcpy(&spy_stat[i], &wlandev->spy_stat[i], sizeof(struct iw_quality));
                }

		/* reset update flag */
                for (i=0; i < number; i++)
                        wlandev->spy_stat[i].updated = 0;
        }

        /* push stuff to user space */
        srq->length = number;
	memcpy(extra, address, sizeof(struct sockaddr)*number);
	memcpy(extra+sizeof(struct sockaddr)*number, spy_stat, sizeof(struct iw_quality)*number);

	DBFEXIT;
	return 0;
}

static int prism2_result2err (int prism2_result)
{
	int err = 0;

	switch (prism2_result) {
		case P80211ENUM_resultcode_invalid_parameters:
			err = -EINVAL;
			break;
		case P80211ENUM_resultcode_implementation_failure:
			err = -EIO;
			break;
		case P80211ENUM_resultcode_not_supported:
			err = -EOPNOTSUPP;
			break;
		default:
			err = 0;
			break;
	}

	return err;
}

#if WIRELESS_EXT > 13
static int p80211wext_siwscan(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_point *srq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211msg_dot11req_scan_t	msg;
	int result;
	int err = 0;
	int i = 0;

	DBFENTER;

	if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
		WLAN_LOG_ERROR("Can't scan in AP mode\n");
		err = (-EOPNOTSUPP);
		goto exit;
	}

	memset(&msg, 0x00, sizeof(p80211msg_dot11req_scan_t));
	msg.msgcode = DIDmsg_dot11req_scan;
	msg.bsstype.data = P80211ENUM_bsstype_any;

	memset(&(msg.bssid.data), 0xFF, sizeof (p80211item_pstr6_t));
	msg.bssid.data.len = 6;

	msg.scantype.data = P80211ENUM_scantype_active;
	msg.probedelay.data = 0;

	for (i = 1; i <= 14; i++)
		msg.channellist.data.data[i-1] = i;
	msg.channellist.data.len = 14;

	msg.maxchanneltime.data = 250;
	msg.minchanneltime.data = 200;

	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
	if (result)
		err = prism2_result2err (msg.resultcode.data);

 exit:
	DBFEXIT;
	return err;
}


/* Helper to translate scan into Wireless Extensions scan results.
 * Inspired by the prism54 code, which was in turn inspired by the
 * airo driver code.
 */
static char *
wext_translate_bss(struct iw_request_info *info, char *current_ev,
		   char *end_buf, p80211msg_dot11req_scan_results_t *bss)
{
	struct iw_event iwe;	/* Temporary buffer */

	/* The first entry must be the MAC address */
	memcpy(iwe.u.ap_addr.sa_data, bss->bssid.data.data, WLAN_BSSID_LEN);
	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
	iwe.cmd = SIOCGIWAP;
	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);

	/* The following entries will be displayed in the same order we give them */

	/* The ESSID. */
	if (bss->ssid.data.len > 0) {
		char essid[IW_ESSID_MAX_SIZE + 1];
		int size;

		size = wlan_min(IW_ESSID_MAX_SIZE, bss->ssid.data.len);
		memset(&essid, 0, sizeof (essid));
		memcpy(&essid, bss->ssid.data.data, size);
		WLAN_LOG_DEBUG(1, " essid size = %d\n", size);
		iwe.u.data.length = size;
		iwe.u.data.flags = 1;
		iwe.cmd = SIOCGIWESSID;
		current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, &essid[0]);
		WLAN_LOG_DEBUG(1, " essid size OK.\n");
	}

	switch (bss->bsstype.data) {
		case P80211ENUM_bsstype_infrastructure:
			iwe.u.mode = IW_MODE_MASTER;
			break;

		case P80211ENUM_bsstype_independent:
			iwe.u.mode = IW_MODE_ADHOC;
			break;

		default:
			iwe.u.mode = 0;
			break;
	}
	iwe.cmd = SIOCGIWMODE;
	if (iwe.u.mode)
		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_UINT_LEN);

	/* Encryption capability */
	if (bss->privacy.data == P80211ENUM_truth_true)
		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
	else
		iwe.u.data.flags = IW_ENCODE_DISABLED;
	iwe.u.data.length = 0;
	iwe.cmd = SIOCGIWENCODE;
	current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, NULL);

	/* Add frequency. (short) bss->channel is the frequency in MHz */
	iwe.u.freq.m = bss->dschannel.data;
	iwe.u.freq.e = 0;
	iwe.cmd = SIOCGIWFREQ;
	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);

	/* Add quality statistics */
	iwe.u.qual.level = bss->signal.data;
	iwe.u.qual.noise = bss->noise.data;
	/* do a simple SNR for quality */
	iwe.u.qual.qual = qual_as_percent(bss->signal.data - bss->noise.data);
	iwe.cmd = IWEVQUAL;
	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);

	return current_ev;
}


static int p80211wext_giwscan(netdevice_t *dev,
			     struct iw_request_info *info,
			     struct iw_point *srq, char *extra)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	p80211msg_dot11req_scan_results_t	msg;
	int result = 0;
	int err = 0;
	int i = 0;
	int scan_good = 0;
	char *current_ev = extra;

	DBFENTER;

	/* Since wireless tools doesn't really have a way of passing how
	 * many scan results results there were back here, keep grabbing them
	 * until we fail.
	 */
	do {
		memset(&msg, 0, sizeof(msg));
		msg.msgcode = DIDmsg_dot11req_scan_results;
		msg.bssindex.data = i;

		result = p80211req_dorequest(wlandev, (UINT8*)&msg);
		if ((result != 0) ||
		    (msg.resultcode.data != P80211ENUM_resultcode_success)) {
			break;
		}

		current_ev = wext_translate_bss(info, current_ev, extra + IW_SCAN_MAX_DATA, &msg);
		scan_good = 1;
		i++;
	} while (i < IW_MAX_AP);

	srq->length = (current_ev - extra);
	srq->flags = 0;	/* todo */

	if (result && !scan_good)
		err = prism2_result2err (msg.resultcode.data);

	DBFEXIT;
	return err;
}
#endif

/*****************************************************/
//extra wireless extensions stuff to support NetworkManager (I hope)

#if WIRELESS_EXT > 17
/* SIOCSIWENCODEEXT */
static int p80211wext_set_encodeext(struct net_device *dev,
				struct iw_request_info *info,
				union iwreq_data *wrqu, char *extra)
{
  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
  struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	p80211msg_dot11req_mibset_t	msg;
	p80211item_pstr32_t		*pstr;

  int result = 0;
  struct iw_point *encoding = &wrqu->encoding;
  int idx = encoding->flags & IW_ENCODE_INDEX;

  WLAN_LOG_DEBUG(1,"set_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len);


  if ( ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY ) {
    // set default key ? I'm not sure if this the the correct thing to do here

    if ( idx ) {
      if (idx < 1 || idx > NUM_WEPKEYS) {
	return -EINVAL;
      } else
	idx--;
    }
    WLAN_LOG_DEBUG(1,"setting default key (%d)\n",idx);
    result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, idx);
    if ( result )
      return -EFAULT;
  }


  if ( ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY ) {
    if ( ! ext->alg & IW_ENCODE_ALG_WEP) {
      WLAN_LOG_DEBUG(1,"asked to set a non wep key :(");
      return -EINVAL;
    }
    if (idx) {
      if (idx <1 || idx > NUM_WEPKEYS)
	return -EINVAL;
      else
	idx--;
    }
    WLAN_LOG_DEBUG(1,"Set WEP key (%d)\n",idx);
    wlandev->wep_keylens[idx] = ext->key_len;
    memcpy(wlandev->wep_keys[idx], ext->key, ext->key_len);

    memset( &msg,0,sizeof(msg));
    pstr = (p80211item_pstr32_t*)&msg.mibattribute.data;
    memcpy(pstr->data.data, ext->key,ext->key_len);
    pstr->data.len = ext->key_len;
    switch (idx) {
    case 0:
      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
      break;
    case 1:
      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
      break;
    case 2:
      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
      break;
    case 3:
      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
      break;
    default:
      break;
    }
    msg.msgcode = DIDmsg_dot11req_mibset;
    result = p80211req_dorequest(wlandev,(UINT8*)&msg);
    WLAN_LOG_DEBUG(1,"result (%d)\n",result);
  }
  return result;
}

/* SIOCGIWENCODEEXT */
static int p80211wext_get_encodeext(struct net_device *dev,
				struct iw_request_info *info,
				union iwreq_data *wrqu, char *extra)

{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;

	struct iw_point *encoding = &wrqu->encoding;
	int result = 0;
	int max_len;
	int idx;

	DBFENTER;

	WLAN_LOG_DEBUG(1,"get_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len);


	max_len = encoding->length - sizeof(*ext);
	if ( max_len <= 0) {
		WLAN_LOG_DEBUG(1,"get_encodeext max_len [%d] invalid\n",max_len);
		result = -EINVAL;
		goto exit;
	}
	idx = encoding->flags & IW_ENCODE_INDEX;

	WLAN_LOG_DEBUG(1,"get_encode_ext index [%d]\n",idx);

	if (idx) {
		if (idx < 1 || idx > NUM_WEPKEYS ) {
			WLAN_LOG_DEBUG(1,"get_encode_ext invalid key index [%d]\n",idx);
			result = -EINVAL;
			goto exit;
		}
		idx--;
	} else {
		/* default key ? not sure what to do */
		/* will just use key[0] for now ! FIX ME */
	}

	encoding->flags = idx + 1;
	memset(ext,0,sizeof(*ext));

	ext->alg = IW_ENCODE_ALG_WEP;
	ext->key_len = wlandev->wep_keylens[idx];
	memcpy( ext->key, wlandev->wep_keys[idx] , ext->key_len );

	encoding->flags |= IW_ENCODE_ENABLED;
exit:
	DBFEXIT;

	return result;
}


/* SIOCSIWAUTH */
static int p80211_wext_set_iwauth (struct net_device *dev,
				   struct iw_request_info *info,
				   union iwreq_data *wrqu, char *extra)
{
  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
  struct iw_param *param = &wrqu->param;
  int result =0;

  WLAN_LOG_DEBUG(1,"set_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX );

  switch (param->flags & IW_AUTH_INDEX) {
  case IW_AUTH_DROP_UNENCRYPTED:
    WLAN_LOG_DEBUG(1,"drop_unencrypted %d\n",param->value);
    if (param->value)
      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true);
    else
      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false);
    break;

  case IW_AUTH_PRIVACY_INVOKED:
    WLAN_LOG_DEBUG(1,"privacy invoked %d\n",param->value);
    if ( param->value)
      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true);
    else
      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false);

    break;

  case IW_AUTH_80211_AUTH_ALG:
    if ( param->value & IW_AUTH_ALG_OPEN_SYSTEM ) {
      WLAN_LOG_DEBUG(1,"set open_system\n");
      wlandev->hostwep &= ~HOSTWEP_SHAREDKEY;
    } else if ( param->value & IW_AUTH_ALG_SHARED_KEY) {
      WLAN_LOG_DEBUG(1,"set shared key\n");
      wlandev->hostwep |= HOSTWEP_SHAREDKEY;
    } else {
      /* don't know what to do know :( */
      WLAN_LOG_DEBUG(1,"unknown AUTH_ALG (%d)\n",param->value);
      result = -EINVAL;
    }
    break;

  default:
    break;
  }



  return result;
}

/* SIOCSIWAUTH */
static int p80211_wext_get_iwauth (struct net_device *dev,
				   struct iw_request_info *info,
				   union iwreq_data *wrqu, char *extra)
{
  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
  struct iw_param *param = &wrqu->param;
  int result =0;

  WLAN_LOG_DEBUG(1,"get_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX );

  switch (param->flags & IW_AUTH_INDEX) {
  case IW_AUTH_DROP_UNENCRYPTED:
    param->value = wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED?1:0;
    break;

  case IW_AUTH_PRIVACY_INVOKED:
    param->value = wlandev->hostwep & HOSTWEP_PRIVACYINVOKED?1:0;
    break;

  case IW_AUTH_80211_AUTH_ALG:
    param->value = wlandev->hostwep & HOSTWEP_SHAREDKEY?IW_AUTH_ALG_SHARED_KEY:IW_AUTH_ALG_OPEN_SYSTEM;
    break;


  default:
    break;
  }



  return result;
}


#endif






/*****************************************************/





/*
typedef int (*iw_handler)(netdevice_t *dev, struct iw_request_info *info,
                          union iwreq_data *wrqu, char *extra);
*/

#if WIRELESS_EXT > 12
static iw_handler p80211wext_handlers[] =  {
	(iw_handler) p80211wext_siwcommit,		/* SIOCSIWCOMMIT */
	(iw_handler) p80211wext_giwname,		/* SIOCGIWNAME */
	(iw_handler) NULL,				/* SIOCSIWNWID */
	(iw_handler) NULL,				/* SIOCGIWNWID */
	(iw_handler) p80211wext_siwfreq,  		/* SIOCSIWFREQ */
	(iw_handler) p80211wext_giwfreq,  		/* SIOCGIWFREQ */
	(iw_handler) p80211wext_siwmode,       		/* SIOCSIWMODE */
	(iw_handler) p80211wext_giwmode,       		/* SIOCGIWMODE */
	(iw_handler) NULL,                 		/* SIOCSIWSENS */
	(iw_handler) NULL,                		/* SIOCGIWSENS */
	(iw_handler) NULL, /* not used */     		/* SIOCSIWRANGE */
	(iw_handler) p80211wext_giwrange,      		/* SIOCGIWRANGE */
	(iw_handler) NULL, /* not used */     		/* SIOCSIWPRIV */
	(iw_handler) NULL, /* kernel code */   		/* SIOCGIWPRIV */
	(iw_handler) NULL, /* not used */     		/* SIOCSIWSTATS */
	(iw_handler) NULL, /* kernel code */   		/* SIOCGIWSTATS */
	(iw_handler) p80211wext_siwspy,			/* SIOCSIWSPY */
	(iw_handler) p80211wext_giwspy,			/* SIOCGIWSPY */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,              		/* SIOCSIWAP */
	(iw_handler) p80211wext_giwap,         		/* SIOCGIWAP */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,                  		/* SIOCGIWAPLIST */
#if WIRELESS_EXT > 13
	(iw_handler) p80211wext_siwscan,			/* SIOCSIWSCAN */
	(iw_handler) p80211wext_giwscan,			/* SIOCGIWSCAN */
#else /* WIRELESS_EXT > 13 */
	(iw_handler) NULL,	/* null */		/* SIOCSIWSCAN */
	(iw_handler) NULL,	/* null */		/* SIOCGIWSCAN */
#endif /* WIRELESS_EXT > 13 */
	(iw_handler) p80211wext_siwessid,  		/* SIOCSIWESSID */
	(iw_handler) p80211wext_giwessid,      		/* SIOCGIWESSID */
	(iw_handler) NULL,                 		/* SIOCSIWNICKN */
	(iw_handler) p80211wext_giwessid,      		/* SIOCGIWNICKN */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,                		/* SIOCSIWRATE */
	(iw_handler) p80211wext_giwrate,      		/* SIOCGIWRATE */
	(iw_handler) p80211wext_siwrts,  		/* SIOCSIWRTS */
	(iw_handler) p80211wext_giwrts,        		/* SIOCGIWRTS */
	(iw_handler) p80211wext_siwfrag,      		/* SIOCSIWFRAG */
	(iw_handler) p80211wext_giwfrag,   		/* SIOCGIWFRAG */
	(iw_handler) p80211wext_siwtxpow,           	/* SIOCSIWTXPOW */
	(iw_handler) p80211wext_giwtxpow,  		/* SIOCGIWTXPOW */
	(iw_handler) p80211wext_siwretry,     		/* SIOCSIWRETRY */
	(iw_handler) p80211wext_giwretry,  		/* SIOCGIWRETRY */
	(iw_handler) p80211wext_siwencode,     		/* SIOCSIWENCODE */
	(iw_handler) p80211wext_giwencode,  		/* SIOCGIWENCODE */
	(iw_handler) NULL,                 		/* SIOCSIWPOWER */
	(iw_handler) NULL,                  		/* SIOCGIWPOWER */
#if WIRELESS_EXT > 17
/* WPA operations */

	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL, /* SIOCSIWGENIE	set generic IE */
	(iw_handler) NULL, /* SIOCGIWGENIE	get generic IE */
	(iw_handler) p80211_wext_set_iwauth, /* SIOCSIWAUTH	set authentication mode params */
	(iw_handler) p80211_wext_get_iwauth, /* SIOCGIWAUTH	get authentication mode params */

	(iw_handler) p80211wext_set_encodeext, /* SIOCSIWENCODEEXT  set encoding token & mode */
	(iw_handler) p80211wext_get_encodeext, /* SIOCGIWENCODEEXT  get encoding token & mode */
	(iw_handler) NULL, /* SIOCSIWPMKSA	PMKSA cache operation */
#endif
};

struct iw_handler_def p80211wext_handler_def = {
	.num_standard = sizeof(p80211wext_handlers) / sizeof(iw_handler),
	.num_private = 0,
	.num_private_args = 0,
        .standard = p80211wext_handlers,
	.private = NULL,
	.private_args = NULL,
#if WIRELESS_EXT > 16
	.get_wireless_stats = p80211wext_get_wireless_stats
#endif
};

#endif

/* wireless extensions' ioctls */
int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
{
	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;

#if WIRELESS_EXT < 13
	struct iwreq *iwr = (struct iwreq*)ifr;
#endif

	p80211item_uint32_t             mibitem;
	int err = 0;

	DBFENTER;

	mibitem.status = P80211ENUM_msgitem_status_data_ok;

	if ( wlandev->msdstate != WLAN_MSD_RUNNING ) {
		err = -ENODEV;
		goto exit;
	}

	WLAN_LOG_DEBUG(1, "Received wireless extension ioctl #%d.\n", cmd);

	switch (cmd) {
#if WIRELESS_EXT < 13
	case SIOCSIWNAME:  /* unused  */
		err = (-EOPNOTSUPP);
		break;
	case SIOCGIWNAME: /* get name == wireless protocol */
                err = p80211wext_giwname(dev, NULL, (char *) &iwr->u, NULL);
		break;
	case SIOCSIWNWID:
	case SIOCGIWNWID:
		err = (-EOPNOTSUPP);
		break;
	case SIOCSIWFREQ: /* set channel */
                err = p80211wext_siwfreq(dev, NULL, &(iwr->u.freq), NULL);
		break;
	case SIOCGIWFREQ: /* get channel */
                err = p80211wext_giwfreq(dev, NULL, &(iwr->u.freq), NULL);
		break;
	case SIOCSIWRANGE:
	case SIOCSIWPRIV:
	case SIOCSIWAP: /* set access point MAC addresses (BSSID) */
		err = (-EOPNOTSUPP);
		break;

	case SIOCGIWAP:	/* get access point MAC addresses (BSSID) */
                err = p80211wext_giwap(dev, NULL, &(iwr->u.ap_addr), NULL);
		break;

#if WIRELESS_EXT > 8
	case SIOCSIWMODE: /* set operation mode */
	case SIOCSIWESSID: /* set SSID (network name) */
	case SIOCSIWRATE: /* set default bit rate (bps) */
		err = (-EOPNOTSUPP);
		break;

	case SIOCGIWMODE: /* get operation mode */
		err = p80211wext_giwmode(dev, NULL, &iwr->u.mode, NULL);

		break;
	case SIOCGIWNICKN: /* get node name/nickname */
	case SIOCGIWESSID: /* get SSID */
		if(iwr->u.essid.pointer) {
                        char ssid[IW_ESSID_MAX_SIZE+1];
			memset(ssid, 0, sizeof(ssid));

			err = p80211wext_giwessid(dev, NULL, &iwr->u.essid, ssid);
			if(copy_to_user(iwr->u.essid.pointer, ssid, sizeof(ssid)))
				err = (-EFAULT);
		}
		break;
	case SIOCGIWRATE:
                err = p80211wext_giwrate(dev, NULL, &iwr->u.bitrate, NULL);
		break;
	case SIOCGIWRTS:
		err = p80211wext_giwrts(dev, NULL, &iwr->u.rts, NULL);
		break;
	case SIOCGIWFRAG:
		err = p80211wext_giwfrag(dev, NULL, &iwr->u.rts, NULL);
		break;
	case SIOCGIWENCODE:
		if (!capable(CAP_NET_ADMIN))
			err = -EPERM;
		else if (iwr->u.encoding.pointer) {
			char keybuf[MAX_KEYLEN];
			err = p80211wext_giwencode(dev, NULL,
						     &iwr->u.encoding, keybuf);
			if (copy_to_user(iwr->u.encoding.pointer, keybuf,
					 iwr->u.encoding.length))
				err = -EFAULT;
		}
		break;
	case SIOCGIWAPLIST:
	case SIOCSIWRTS:
	case SIOCSIWFRAG:
	case SIOCSIWSENS:
	case SIOCGIWSENS:
	case SIOCSIWNICKN: /* set node name/nickname */
	case SIOCSIWENCODE: /* set encoding token & mode */
	case SIOCSIWSPY:
	case SIOCGIWSPY:
	case SIOCSIWPOWER:
	case SIOCGIWPOWER:
	case SIOCGIWPRIV:
		err = (-EOPNOTSUPP);
		break;
	case SIOCGIWRANGE:
		if(iwr->u.data.pointer != NULL) {
                        struct iw_range range;
                        err = p80211wext_giwrange(dev, NULL, &iwr->u.data,
						  (char *) &range);
			/* Push that up to the caller */
			if (copy_to_user(iwr->u.data.pointer, &range, sizeof(range)))
				err = -EFAULT;
		}
		break;
#endif /* WIRELESS_EXT > 8 */
#if WIRELESS_EXT > 9
	case SIOCSIWTXPOW:
		err = (-EOPNOTSUPP);
		break;
	case SIOCGIWTXPOW:
		err = p80211wext_giwtxpow(dev, NULL, &iwr->u.txpower, NULL);
		break;
#endif /* WIRELESS_EXT > 9 */
#if WIRELESS_EXT > 10
	case SIOCSIWRETRY:
		err = (-EOPNOTSUPP);
		break;
	case SIOCGIWRETRY:
		err = p80211wext_giwretry(dev, NULL, &iwr->u.retry, NULL);
		break;
#endif /* WIRELESS_EXT > 10 */

#endif /* WIRELESS_EXT <= 12 */

	default:
		err = (-EOPNOTSUPP);
		break;
	}

 exit:
	DBFEXIT;
	return (err);
}

int p80211wext_event_associated(wlandevice_t *wlandev, int assoc)
{
        union iwreq_data data;

        DBFENTER;

#if WIRELESS_EXT > 13
        /* Send the association state first */
        data.ap_addr.sa_family = ARPHRD_ETHER;
        if (assoc) {
                memcpy(data.ap_addr.sa_data, wlandev->bssid, WLAN_ADDR_LEN);
        } else {
                memset(data.ap_addr.sa_data, 0, WLAN_ADDR_LEN);
        }

        if (wlan_wext_write)
                wireless_send_event(wlandev->netdev, SIOCGIWAP, &data, NULL);

        if (!assoc) goto done;

        // XXX send association data, like IEs, etc etc.
#endif
 done:
        DBFEXIT;
        return 0;
}


#endif /* compatibility to wireless extensions */