wext.c 54.0 KB
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/**
  * This file contains ioctl functions
  */
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/bitops.h>

#include <net/ieee80211.h>
#include <net/iw_handler.h>

#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
#include "wext.h"
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#include "scan.h"
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#include "assoc.h"
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#include "cmd.h"
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static inline void lbs_postpone_association_work(struct lbs_private *priv)
26
{
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	if (priv->surpriseremoved)
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		return;
	cancel_delayed_work(&priv->assoc_work);
	queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
}

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static inline void lbs_cancel_association_work(struct lbs_private *priv)
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{
	cancel_delayed_work(&priv->assoc_work);
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	kfree(priv->pending_assoc_req);
	priv->pending_assoc_req = NULL;
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}


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/**
 *  @brief Find the channel frequency power info with specific channel
 *
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 *  @param priv 	A pointer to struct lbs_private structure
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 *  @param band		it can be BAND_A, BAND_G or BAND_B
 *  @param channel      the channel for looking
 *  @return 	   	A pointer to struct chan_freq_power structure or NULL if not find.
 */
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struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
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	struct lbs_private *priv,
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	u8 band,
	u16 channel)
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{
	struct chan_freq_power *cfp = NULL;
	struct region_channel *rc;
	int i, j;

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	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
		rc = &priv->region_channel[j];
60

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		if (priv->enable11d)
			rc = &priv->universal_channel[j];
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		if (!rc->valid || !rc->CFP)
			continue;
		if (rc->band != band)
			continue;
		for (i = 0; i < rc->nrcfp; i++) {
			if (rc->CFP[i].channel == channel) {
				cfp = &rc->CFP[i];
				break;
			}
		}
	}

	if (!cfp && channel)
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		lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
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		       "cfp by band %d / channel %d\n", band, channel);
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	return cfp;
}

/**
 *  @brief Find the channel frequency power info with specific frequency
 *
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 *  @param priv 	A pointer to struct lbs_private structure
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 *  @param band		it can be BAND_A, BAND_G or BAND_B
 *  @param freq	        the frequency for looking
 *  @return 	   	A pointer to struct chan_freq_power structure or NULL if not find.
 */
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static struct chan_freq_power *find_cfp_by_band_and_freq(
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	struct lbs_private *priv,
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	u8 band,
	u32 freq)
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{
	struct chan_freq_power *cfp = NULL;
	struct region_channel *rc;
	int i, j;

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	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
		rc = &priv->region_channel[j];
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		if (priv->enable11d)
			rc = &priv->universal_channel[j];
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		if (!rc->valid || !rc->CFP)
			continue;
		if (rc->band != band)
			continue;
		for (i = 0; i < rc->nrcfp; i++) {
			if (rc->CFP[i].freq == freq) {
				cfp = &rc->CFP[i];
				break;
			}
		}
	}

	if (!cfp && freq)
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		lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
		       "band %d / freq %d\n", band, freq);
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	return cfp;
}

/**
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 *  @brief Copy active data rates based on adapter mode and status
125
 *
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 *  @param priv              A pointer to struct lbs_private structure
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 *  @param rate		        The buf to return the active rates
 */
129
static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
130
{
131
	lbs_deb_enter(LBS_DEB_WEXT);
132

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	if ((priv->connect_status != LBS_CONNECTED) &&
		(priv->mesh_connect_status != LBS_CONNECTED))
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		memcpy(rates, lbs_bg_rates, MAX_RATES);
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	else
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		memcpy(rates, priv->curbssparams.rates, MAX_RATES);
138

139
	lbs_deb_leave(LBS_DEB_WEXT);
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}

142
static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
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			 char *cwrq, char *extra)
{

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	lbs_deb_enter(LBS_DEB_WEXT);
147

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	/* We could add support for 802.11n here as needed. Jean II */
	snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
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151
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_freq *fwrq, char *extra)
{
158
	struct lbs_private *priv = dev->priv;
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	struct chan_freq_power *cfp;

161
	lbs_deb_enter(LBS_DEB_WEXT);
162

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	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
					   priv->curbssparams.channel);
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	if (!cfp) {
167
		if (priv->curbssparams.channel)
168
			lbs_deb_wext("invalid channel %d\n",
169
			       priv->curbssparams.channel);
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		return -EINVAL;
	}

	fwrq->m = (long)cfp->freq * 100000;
	fwrq->e = 1;

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	lbs_deb_wext("freq %u\n", fwrq->m);
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
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			struct sockaddr *awrq, char *extra)
{
184
	struct lbs_private *priv = dev->priv;
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186
	lbs_deb_enter(LBS_DEB_WEXT);
187

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	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
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	} else {
		memset(awrq->sa_data, 0, ETH_ALEN);
	}
	awrq->sa_family = ARPHRD_ETHER;

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	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_point *dwrq, char *extra)
{
202
	struct lbs_private *priv = dev->priv;
203

204
	lbs_deb_enter(LBS_DEB_WEXT);
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	/*
	 * Check the size of the string
	 */

	if (dwrq->length > 16) {
		return -E2BIG;
	}

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	mutex_lock(&priv->lock);
	memset(priv->nodename, 0, sizeof(priv->nodename));
	memcpy(priv->nodename, extra, dwrq->length);
	mutex_unlock(&priv->lock);
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	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_point *dwrq, char *extra)
{
226
	struct lbs_private *priv = dev->priv;
227

228
	lbs_deb_enter(LBS_DEB_WEXT);
229

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	dwrq->length = strlen(priv->nodename);
	memcpy(extra, priv->nodename, dwrq->length);
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	extra[dwrq->length] = '\0';
233

234
	dwrq->flags = 1;	/* active */
235

236
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
			 struct iw_point *dwrq, char *extra)
{
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	struct lbs_private *priv = dev->priv;
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	lbs_deb_enter(LBS_DEB_WEXT);

	/* Use nickname to indicate that mesh is on */

249
	if (priv->mesh_connect_status == LBS_CONNECTED) {
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		strncpy(extra, "Mesh", 12);
		extra[12] = '\0';
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		dwrq->length = strlen(extra);
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	}

	else {
		extra[0] = '\0';
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		dwrq->length = 0;
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	}

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}
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264
static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
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			struct iw_param *vwrq, char *extra)
{
	int ret = 0;
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	struct lbs_private *priv = dev->priv;
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	u32 rthr = vwrq->value;
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271
	lbs_deb_enter(LBS_DEB_WEXT);
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	if (vwrq->disabled) {
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		priv->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
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	} else {
		if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
			return -EINVAL;
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		priv->rtsthsd = rthr;
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	}

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	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
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				    CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
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				    OID_802_11_RTS_THRESHOLD, &rthr);

285
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
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	return ret;
}

289
static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
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			struct iw_param *vwrq, char *extra)
{
	int ret = 0;
293
	struct lbs_private *priv = dev->priv;
294

295
	lbs_deb_enter(LBS_DEB_WEXT);
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297
	priv->rtsthsd = 0;
298
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
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				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
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				    OID_802_11_RTS_THRESHOLD, NULL);
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	if (ret)
		goto out;
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	vwrq->value = priv->rtsthsd;
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	vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
			  || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
	vwrq->fixed = 1;

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out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
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}

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static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_param *vwrq, char *extra)
{
	int ret = 0;
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	u32 fthr = vwrq->value;
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	struct lbs_private *priv = dev->priv;
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321
	lbs_deb_enter(LBS_DEB_WEXT);
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	if (vwrq->disabled) {
324
		priv->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
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	} else {
		if (fthr < MRVDRV_FRAG_MIN_VALUE
		    || fthr > MRVDRV_FRAG_MAX_VALUE)
			return -EINVAL;
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		priv->fragthsd = fthr;
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	}

332
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
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				    CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
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				    OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
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	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
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	return ret;
}

340
static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_param *vwrq, char *extra)
{
	int ret = 0;
344
	struct lbs_private *priv = dev->priv;
345

346
	lbs_deb_enter(LBS_DEB_WEXT);
347

348
	priv->fragthsd = 0;
349
	ret = lbs_prepare_and_send_command(priv,
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				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
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				    OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
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	if (ret)
		goto out;
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356
	vwrq->value = priv->fragthsd;
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	vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
			  || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
	vwrq->fixed = 1;

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out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
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	return ret;
}

366
static int lbs_get_mode(struct net_device *dev,
367 368
			 struct iw_request_info *info, u32 * uwrq, char *extra)
{
369
	struct lbs_private *priv = dev->priv;
370

371
	lbs_deb_enter(LBS_DEB_WEXT);
372

373
	*uwrq = priv->mode;
374

375
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

379 380 381 382 383 384 385 386 387 388 389 390
static int mesh_wlan_get_mode(struct net_device *dev,
		              struct iw_request_info *info, u32 * uwrq,
			      char *extra)
{
	lbs_deb_enter(LBS_DEB_WEXT);

	*uwrq = IW_MODE_REPEAT ;

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}

391
static int lbs_get_txpow(struct net_device *dev,
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			  struct iw_request_info *info,
			  struct iw_param *vwrq, char *extra)
{
395
	struct lbs_private *priv = dev->priv;
396
	s16 curlevel = 0;
397
	int ret = 0;
398

399
	lbs_deb_enter(LBS_DEB_WEXT);
400

401 402 403 404 405 406 407
	if (!priv->radio_on) {
		lbs_deb_wext("tx power off\n");
		vwrq->value = 0;
		vwrq->disabled = 1;
		goto out;
	}

408
	ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
409 410
	if (ret)
		goto out;
411

412 413
	lbs_deb_wext("tx power level %d dbm\n", curlevel);
	priv->txpower_cur = curlevel;
414

415
	vwrq->value = curlevel;
416
	vwrq->fixed = 1;
417 418
	vwrq->disabled = 0;
	vwrq->flags = IW_TXPOW_DBM;
419

420 421 422
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
423 424
}

425
static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
426 427 428
			  struct iw_param *vwrq, char *extra)
{
	int ret = 0;
429
	struct lbs_private *priv = dev->priv;
430

431
	lbs_deb_enter(LBS_DEB_WEXT);
432 433 434 435 436 437 438 439 440 441

	if (vwrq->flags == IW_RETRY_LIMIT) {
		/* The MAC has a 4-bit Total_Tx_Count register
		   Total_Tx_Count = 1 + Tx_Retry_Count */
#define TX_RETRY_MIN 0
#define TX_RETRY_MAX 14
		if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
			return -EINVAL;

		/* Adding 1 to convert retry count to try count */
442
		priv->txretrycount = vwrq->value + 1;
443

444
		ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
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					    CMD_ACT_SET,
					    CMD_OPTION_WAITFORRSP,
447 448
					    OID_802_11_TX_RETRYCOUNT, NULL);

449 450
		if (ret)
			goto out;
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	} else {
		return -EOPNOTSUPP;
	}

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out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
458 459
}

460
static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
461 462
			  struct iw_param *vwrq, char *extra)
{
463
	struct lbs_private *priv = dev->priv;
464 465
	int ret = 0;

466 467
	lbs_deb_enter(LBS_DEB_WEXT);

468
	priv->txretrycount = 0;
469
	ret = lbs_prepare_and_send_command(priv,
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				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
472
				    OID_802_11_TX_RETRYCOUNT, NULL);
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	if (ret)
		goto out;

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	vwrq->disabled = 0;
	if (!vwrq->flags) {
		vwrq->flags = IW_RETRY_LIMIT;
		/* Subtract 1 to convert try count to retry count */
480
		vwrq->value = priv->txretrycount - 1;
481 482
	}

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out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
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}

static inline void sort_channels(struct iw_freq *freq, int num)
{
	int i, j;
	struct iw_freq temp;

	for (i = 0; i < num; i++)
		for (j = i + 1; j < num; j++)
			if (freq[i].i > freq[j].i) {
				temp.i = freq[i].i;
				temp.m = freq[i].m;

				freq[i].i = freq[j].i;
				freq[i].m = freq[j].m;

				freq[j].i = temp.i;
				freq[j].m = temp.m;
			}
}

/* data rate listing
	MULTI_BANDS:
		abg		a	b	b/g
   Infra 	G(12)		A(8)	B(4)	G(12)
   Adhoc 	A+B(12)		A(8)	B(4)	B(4)

	non-MULTI_BANDS:
					b	b/g
   Infra 	     		    	B(4)	G(12)
   Adhoc 	      		    	B(4)	B(4)
 */
/**
 *  @brief Get Range Info
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
527
static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
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			  struct iw_point *dwrq, char *extra)
{
	int i, j;
531
	struct lbs_private *priv = dev->priv;
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	struct iw_range *range = (struct iw_range *)extra;
	struct chan_freq_power *cfp;
534
	u8 rates[MAX_RATES + 1];
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	u8 flag = 0;

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	lbs_deb_enter(LBS_DEB_WEXT);
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	dwrq->length = sizeof(struct iw_range);
	memset(range, 0, sizeof(struct iw_range));

	range->min_nwid = 0;
	range->max_nwid = 0;

	memset(rates, 0, sizeof(rates));
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	copy_active_data_rates(priv, rates);
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	range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
	for (i = 0; i < range->num_bitrates; i++)
		range->bitrate[i] = rates[i] * 500000;
551
	range->num_bitrates = i;
552
	lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
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	       range->num_bitrates);

	range->num_frequency = 0;
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	range->scan_capa = IW_SCAN_CAPA_ESSID;

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	if (priv->enable11d &&
	    (priv->connect_status == LBS_CONNECTED ||
	    priv->mesh_connect_status == LBS_CONNECTED)) {
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		u8 chan_no;
		u8 band;

		struct parsed_region_chan_11d *parsed_region_chan =
566
		    &priv->parsed_region_chan;
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		if (parsed_region_chan == NULL) {
569 570
			lbs_deb_wext("11d: parsed_region_chan is NULL\n");
			goto out;
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		}
		band = parsed_region_chan->band;
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		lbs_deb_wext("band %d, nr_char %d\n", band,
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		       parsed_region_chan->nr_chan);

		for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
		     && (i < parsed_region_chan->nr_chan); i++) {
			chan_no = parsed_region_chan->chanpwr[i].chan;
579
			lbs_deb_wext("chan_no %d\n", chan_no);
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			range->freq[range->num_frequency].i = (long)chan_no;
			range->freq[range->num_frequency].m =
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			    (long)lbs_chan_2_freq(chan_no) * 100000;
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			range->freq[range->num_frequency].e = 1;
			range->num_frequency++;
		}
		flag = 1;
	}
	if (!flag) {
		for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
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		     && (j < ARRAY_SIZE(priv->region_channel)); j++) {
			cfp = priv->region_channel[j].CFP;
592
			for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
593
			     && priv->region_channel[j].valid
594
			     && cfp
595
			     && (i < priv->region_channel[j].nrcfp); i++) {
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				range->freq[range->num_frequency].i =
				    (long)cfp->channel;
				range->freq[range->num_frequency].m =
				    (long)cfp->freq * 100000;
				range->freq[range->num_frequency].e = 1;
				cfp++;
				range->num_frequency++;
			}
		}
	}

607
	lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
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	       IW_MAX_FREQUENCIES, range->num_frequency);

	range->num_channels = range->num_frequency;

	sort_channels(&range->freq[0], range->num_frequency);

	/*
	 * Set an indication of the max TCP throughput in bit/s that we can
	 * expect using this interface
	 */
	if (i > 2)
		range->throughput = 5000 * 1000;
	else
		range->throughput = 1500 * 1000;

	range->min_rts = MRVDRV_RTS_MIN_VALUE;
	range->max_rts = MRVDRV_RTS_MAX_VALUE;
	range->min_frag = MRVDRV_FRAG_MIN_VALUE;
	range->max_frag = MRVDRV_FRAG_MAX_VALUE;

	range->encoding_size[0] = 5;
	range->encoding_size[1] = 13;
	range->num_encoding_sizes = 2;
	range->max_encoding_tokens = 4;

633 634 635 636
	/*
	 * Right now we support only "iwconfig ethX power on|off"
	 */
	range->pm_capa = IW_POWER_ON;
637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669

	/*
	 * Minimum version we recommend
	 */
	range->we_version_source = 15;

	/*
	 * Version we are compiled with
	 */
	range->we_version_compiled = WIRELESS_EXT;

	range->retry_capa = IW_RETRY_LIMIT;
	range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;

	range->min_retry = TX_RETRY_MIN;
	range->max_retry = TX_RETRY_MAX;

	/*
	 * Set the qual, level and noise range values
	 */
	range->max_qual.qual = 100;
	range->max_qual.level = 0;
	range->max_qual.noise = 0;
	range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;

	range->avg_qual.qual = 70;
	/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
	range->avg_qual.level = 0;
	range->avg_qual.noise = 0;
	range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;

	range->sensitivity = 0;

670
	/* Setup the supported power level ranges */
671
	memset(range->txpower, 0, sizeof(range->txpower));
672 673 674 675
	range->txpower_capa = IW_TXPOW_DBM | IW_TXPOW_RANGE;
	range->txpower[0] = priv->txpower_min;
	range->txpower[1] = priv->txpower_max;
	range->num_txpower = 2;
676 677 678 679 680 681

	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
	range->event_capa[1] = IW_EVENT_CAPA_K_1;

682
	if (priv->fwcapinfo & FW_CAPINFO_WPA) {
683 684 685 686 687 688
		range->enc_capa =   IW_ENC_CAPA_WPA
		                  | IW_ENC_CAPA_WPA2
		                  | IW_ENC_CAPA_CIPHER_TKIP
		                  | IW_ENC_CAPA_CIPHER_CCMP;
	}

689 690
out:
	lbs_deb_leave(LBS_DEB_WEXT);
691 692 693
	return 0;
}

694
static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
695 696
			  struct iw_param *vwrq, char *extra)
{
697
	struct lbs_private *priv = dev->priv;
698

699
	lbs_deb_enter(LBS_DEB_WEXT);
700

701 702 703 704 705 706 707
	if (!priv->ps_supported) {
		if (vwrq->disabled)
			return 0;
		else
			return -EINVAL;
	}

708 709 710 711 712
	/* PS is currently supported only in Infrastructure mode
	 * Remove this check if it is to be supported in IBSS mode also
	 */

	if (vwrq->disabled) {
713 714
		priv->psmode = LBS802_11POWERMODECAM;
		if (priv->psstate != PS_STATE_FULL_POWER) {
715
			lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
716 717 718 719 720 721
		}

		return 0;
	}

	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
722 723
		lbs_deb_wext(
		       "setting power timeout is not supported\n");
724 725
		return -EINVAL;
	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
726
		lbs_deb_wext("setting power period not supported\n");
727 728 729
		return -EINVAL;
	}

730
	if (priv->psmode != LBS802_11POWERMODECAM) {
731 732 733
		return 0;
	}

734
	priv->psmode = LBS802_11POWERMODEMAX_PSP;
735

736
	if (priv->connect_status == LBS_CONNECTED) {
737
		lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
738 739
	}

740
	lbs_deb_leave(LBS_DEB_WEXT);
741 742 743
	return 0;
}

744
static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
745 746
			  struct iw_param *vwrq, char *extra)
{
747
	struct lbs_private *priv = dev->priv;
748

749
	lbs_deb_enter(LBS_DEB_WEXT);
750 751

	vwrq->value = 0;
752 753 754
	vwrq->flags = 0;
	vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
		|| priv->connect_status == LBS_DISCONNECTED;
755

756
	lbs_deb_leave(LBS_DEB_WEXT);
757 758 759
	return 0;
}

760
static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
761 762 763 764 765 766 767 768 769
{
	enum {
		POOR = 30,
		FAIR = 60,
		GOOD = 80,
		VERY_GOOD = 90,
		EXCELLENT = 95,
		PERFECT = 100
	};
770
	struct lbs_private *priv = dev->priv;
771 772 773 774 775 776
	u32 rssi_qual;
	u32 tx_qual;
	u32 quality = 0;
	int stats_valid = 0;
	u8 rssi;
	u32 tx_retries;
777
	struct cmd_ds_802_11_get_log log;
778

779
	lbs_deb_enter(LBS_DEB_WEXT);
780

781
	priv->wstats.status = priv->mode;
782 783

	/* If we're not associated, all quality values are meaningless */
784 785
	if ((priv->connect_status != LBS_CONNECTED) &&
	    (priv->mesh_connect_status != LBS_CONNECTED))
786 787 788 789
		goto out;

	/* Quality by RSSI */
	priv->wstats.qual.level =
790 791
	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
	     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
792

793
	if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
794 795 796
		priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
	} else {
		priv->wstats.qual.noise =
797
		    CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
798 799
	}

800 801
	lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
	lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820

	rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
	if (rssi < 15)
		rssi_qual = rssi * POOR / 10;
	else if (rssi < 20)
		rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
	else if (rssi < 30)
		rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
	else if (rssi < 40)
		rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
		    10 + GOOD;
	else
		rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
		    10 + VERY_GOOD;
	quality = rssi_qual;

	/* Quality by TX errors */
	priv->wstats.discard.retries = priv->stats.tx_errors;

821 822 823 824 825
	memset(&log, 0, sizeof(log));
	log.hdr.size = cpu_to_le16(sizeof(log));
	lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);

	tx_retries = le32_to_cpu(log.retry);
826 827 828 829 830 831 832 833 834 835 836 837 838 839 840

	if (tx_retries > 75)
		tx_qual = (90 - tx_retries) * POOR / 15;
	else if (tx_retries > 70)
		tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
	else if (tx_retries > 65)
		tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
	else if (tx_retries > 50)
		tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
		    15 + GOOD;
	else
		tx_qual = (50 - tx_retries) *
		    (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
	quality = min(quality, tx_qual);

841
	priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
842
	priv->wstats.discard.retries = tx_retries;
843
	priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
844 845

	/* Calculate quality */
846
	priv->wstats.qual.qual = min_t(u8, quality, 100);
847 848 849 850
	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
	stats_valid = 1;

	/* update stats asynchronously for future calls */
851
	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
852 853 854 855 856 857 858 859 860 861 862 863 864
					0, 0, NULL);
out:
	if (!stats_valid) {
		priv->wstats.miss.beacon = 0;
		priv->wstats.discard.retries = 0;
		priv->wstats.qual.qual = 0;
		priv->wstats.qual.level = 0;
		priv->wstats.qual.noise = 0;
		priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
		priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
		    IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
	}

865
	lbs_deb_leave(LBS_DEB_WEXT);
866 867 868 869 870
	return &priv->wstats;


}

871
static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
872 873
		  struct iw_freq *fwrq, char *extra)
{
874
	int ret = -EINVAL;
875
	struct lbs_private *priv = dev->priv;
876
	struct chan_freq_power *cfp;
877
	struct assoc_request * assoc_req;
878

879
	lbs_deb_enter(LBS_DEB_WEXT);
880

881 882
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
883 884 885 886
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}
887

888 889
	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
890 891
		long f = fwrq->m / 100000;

892
		cfp = find_cfp_by_band_and_freq(priv, 0, f);
893
		if (!cfp) {
894
			lbs_deb_wext("invalid freq %ld\n", f);
895
			goto out;
896 897 898
		}

		fwrq->e = 0;
899
		fwrq->m = (int) cfp->channel;
900 901
	}

902
	/* Setting by channel number */
903
	if (fwrq->m > 1000 || fwrq->e > 0) {
904 905
		goto out;
	}
906

907
	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
908 909
	if (!cfp) {
		goto out;
910 911
	}

912 913 914
	assoc_req->channel = fwrq->m;
	ret = 0;

915
out:
916 917
	if (ret == 0) {
		set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
918
		lbs_postpone_association_work(priv);
919
	} else {
920
		lbs_cancel_association_work(priv);
921
	}
922
	mutex_unlock(&priv->lock);
923 924 925

	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
926 927
}

928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964
static int lbs_mesh_set_freq(struct net_device *dev,
			     struct iw_request_info *info,
			     struct iw_freq *fwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;
	struct chan_freq_power *cfp;
	int ret = -EINVAL;

	lbs_deb_enter(LBS_DEB_WEXT);

	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
		long f = fwrq->m / 100000;

		cfp = find_cfp_by_band_and_freq(priv, 0, f);
		if (!cfp) {
			lbs_deb_wext("invalid freq %ld\n", f);
			goto out;
		}

		fwrq->e = 0;
		fwrq->m = (int) cfp->channel;
	}

	/* Setting by channel number */
	if (fwrq->m > 1000 || fwrq->e > 0) {
		goto out;
	}

	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
	if (!cfp) {
		goto out;
	}

	if (fwrq->m != priv->curbssparams.channel) {
		lbs_deb_wext("mesh channel change forces eth disconnect\n");
		if (priv->mode == IW_MODE_INFRA)
965 966 967
			lbs_cmd_80211_deauthenticate(priv,
						     priv->curbssparams.bssid,
						     WLAN_REASON_DEAUTH_LEAVING);
968
		else if (priv->mode == IW_MODE_ADHOC)
969
			lbs_adhoc_stop(priv);
970
	}
971
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
972
	lbs_update_channel(priv);
973 974 975 976 977 978 979
	ret = 0;

out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

980
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
981 982
		  struct iw_param *vwrq, char *extra)
{
983
	struct lbs_private *priv = dev->priv;
984
	u8 new_rate = 0;
985 986
	int ret = -EINVAL;
	u8 rates[MAX_RATES + 1];
987

988 989
	lbs_deb_enter(LBS_DEB_WEXT);
	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
990 991 992 993
	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);

	if (vwrq->fixed && vwrq->value == -1)
		goto out;
994

995
	/* Auto rate? */
996 997 998
	priv->enablehwauto = !vwrq->fixed;

	if (vwrq->value == -1)
999
		priv->cur_rate = 0;
1000
	else {
1001 1002
		if (vwrq->value % 100000)
			goto out;
1003

1004 1005 1006
		new_rate = vwrq->value / 500000;
		priv->cur_rate = new_rate;
		/* the rest is only needed for lbs_set_data_rate() */
1007
		memset(rates, 0, sizeof(rates));
1008
		copy_active_data_rates(priv, rates);
1009 1010 1011 1012
		if (!memchr(rates, new_rate, sizeof(rates))) {
			lbs_pr_alert("fixed data rate 0x%X out of range\n",
				new_rate);
			goto out;
1013 1014 1015
		}
	}

1016 1017 1018 1019 1020 1021
	/* Try the newer command first (Firmware Spec 5.1 and above) */
	ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET);

	/* Fallback to older version */
	if (ret)
		ret = lbs_set_data_rate(priv, new_rate);
1022

1023
out:
1024
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1025 1026 1027
	return ret;
}

1028
static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1029 1030
		  struct iw_param *vwrq, char *extra)
{
1031
	struct lbs_private *priv = dev->priv;
1032

1033
	lbs_deb_enter(LBS_DEB_WEXT);
1034

1035 1036
	if (priv->connect_status == LBS_CONNECTED) {
		vwrq->value = priv->cur_rate * 500000;
1037

1038
		if (priv->enablehwauto)
1039 1040 1041 1042
			vwrq->fixed = 0;
		else
			vwrq->fixed = 1;

1043
	} else {
1044 1045
		vwrq->fixed = 0;
		vwrq->value = 0;
1046 1047
	}

1048
	lbs_deb_leave(LBS_DEB_WEXT);
1049 1050 1051
	return 0;
}

1052
static int lbs_set_mode(struct net_device *dev,
1053 1054 1055
		  struct iw_request_info *info, u32 * uwrq, char *extra)
{
	int ret = 0;
1056
	struct lbs_private *priv = dev->priv;
1057 1058
	struct assoc_request * assoc_req;

1059
	lbs_deb_enter(LBS_DEB_WEXT);
1060

1061 1062 1063
	if (   (*uwrq != IW_MODE_ADHOC)
	    && (*uwrq != IW_MODE_INFRA)
	    && (*uwrq != IW_MODE_AUTO)) {
1064
		lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1065 1066
		ret = -EINVAL;
		goto out;
1067 1068
	}

1069 1070
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1071 1072
	if (!assoc_req) {
		ret = -ENOMEM;
1073
		lbs_cancel_association_work(priv);
1074
	} else {
1075
		assoc_req->mode = *uwrq;
1076
		set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1077
		lbs_postpone_association_work(priv);
1078
		lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1079
	}
1080
	mutex_unlock(&priv->lock);
1081

1082
out:
1083
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096
	return ret;
}


/**
 *  @brief Get Encryption key
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1097
static int lbs_get_encode(struct net_device *dev,
1098 1099 1100
			   struct iw_request_info *info,
			   struct iw_point *dwrq, u8 * extra)
{
1101
	struct lbs_private *priv = dev->priv;
1102 1103
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

1104
	lbs_deb_enter(LBS_DEB_WEXT);
1105

1106
	lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1107
	       dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1108 1109 1110 1111

	dwrq->flags = 0;

	/* Authentication method */
1112
	switch (priv->secinfo.auth_mode) {
1113
	case IW_AUTH_ALG_OPEN_SYSTEM:
1114 1115 1116
		dwrq->flags = IW_ENCODE_OPEN;
		break;

1117 1118
	case IW_AUTH_ALG_SHARED_KEY:
	case IW_AUTH_ALG_LEAP:
1119 1120 1121 1122 1123 1124 1125 1126 1127
		dwrq->flags = IW_ENCODE_RESTRICTED;
		break;
	default:
		dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
		break;
	}

	memset(extra, 0, 16);

1128
	mutex_lock(&priv->lock);
1129 1130 1131

	/* Default to returning current transmit key */
	if (index < 0)
1132
		index = priv->wep_tx_keyidx;
1133

1134 1135 1136 1137
	if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
		memcpy(extra, priv->wep_keys[index].key,
		       priv->wep_keys[index].len);
		dwrq->length = priv->wep_keys[index].len;
1138 1139 1140 1141

		dwrq->flags |= (index + 1);
		/* Return WEP enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1142 1143
	} else if ((priv->secinfo.WPAenabled)
		   || (priv->secinfo.WPA2enabled)) {
1144 1145
		/* return WPA enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1146
		dwrq->flags |= IW_ENCODE_NOKEY;
1147 1148 1149 1150
	} else {
		dwrq->flags |= IW_ENCODE_DISABLED;
	}

1151
	mutex_unlock(&priv->lock);
1152

1153
	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1154 1155 1156
	       extra[0], extra[1], extra[2],
	       extra[3], extra[4], extra[5], dwrq->length);

1157
	lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1158

1159
	lbs_deb_leave(LBS_DEB_WEXT);
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
	return 0;
}

/**
 *  @brief Set Encryption key (internal)
 *
 *  @param priv			A pointer to private card structure
 *  @param key_material		A pointer to key material
 *  @param key_length		length of key material
 *  @param index		key index to set
 *  @param set_tx_key		Force set TX key (1 = yes, 0 = no)
 *  @return 	   		0 --success, otherwise fail
 */
1173
static int lbs_set_wep_key(struct assoc_request *assoc_req,
1174 1175 1176 1177 1178
			    const char *key_material,
			    u16 key_length,
			    u16 index,
			    int set_tx_key)
{
1179
	int ret = 0;
1180
	struct enc_key *pkey;
1181

1182
	lbs_deb_enter(LBS_DEB_WEXT);
1183 1184 1185

	/* Paranoid validation of key index */
	if (index > 3) {
1186 1187
		ret = -EINVAL;
		goto out;
1188 1189 1190 1191
	}

	/* validate max key length */
	if (key_length > KEY_LEN_WEP_104) {
1192 1193
		ret = -EINVAL;
		goto out;
1194 1195 1196 1197 1198
	}

	pkey = &assoc_req->wep_keys[index];

	if (key_length > 0) {
1199
		memset(pkey, 0, sizeof(struct enc_key));
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210
		pkey->type = KEY_TYPE_ID_WEP;

		/* Standardize the key length */
		pkey->len = (key_length > KEY_LEN_WEP_40) ?
		                KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
		memcpy(pkey->key, key_material, key_length);
	}

	if (set_tx_key) {
		/* Ensure the chosen key is valid */
		if (!pkey->len) {
1211 1212 1213
			lbs_deb_wext("key not set, so cannot enable it\n");
			ret = -EINVAL;
			goto out;
1214 1215 1216 1217
		}
		assoc_req->wep_tx_keyidx = index;
	}

1218
	assoc_req->secinfo.wep_enabled = 1;
1219

1220 1221 1222
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246
}

static int validate_key_index(u16 def_index, u16 raw_index,
			      u16 *out_index, u16 *is_default)
{
	if (!out_index || !is_default)
		return -EINVAL;

	/* Verify index if present, otherwise use default TX key index */
	if (raw_index > 0) {
		if (raw_index > 4)
			return -EINVAL;
		*out_index = raw_index - 1;
	} else {
		*out_index = def_index;
		*is_default = 1;
	}
	return 0;
}

static void disable_wep(struct assoc_request *assoc_req)
{
	int i;

1247 1248
	lbs_deb_enter(LBS_DEB_WEXT);

1249
	/* Set Open System auth mode */
1250
	assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1251 1252

	/* Clear WEP keys and mark WEP as disabled */
1253
	assoc_req->secinfo.wep_enabled = 0;
1254 1255 1256 1257 1258
	for (i = 0; i < 4; i++)
		assoc_req->wep_keys[i].len = 0;

	set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
	set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1259 1260 1261 1262 1263 1264 1265 1266

	lbs_deb_leave(LBS_DEB_WEXT);
}

static void disable_wpa(struct assoc_request *assoc_req)
{
	lbs_deb_enter(LBS_DEB_WEXT);

1267
	memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1268 1269 1270
	assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
	set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);

1271
	memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1272 1273 1274 1275 1276 1277 1278 1279
	assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
	set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);

	assoc_req->secinfo.WPAenabled = 0;
	assoc_req->secinfo.WPA2enabled = 0;
	set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);

	lbs_deb_leave(LBS_DEB_WEXT);
1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
}

/**
 *  @brief Set Encryption key
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1291
static int lbs_set_encode(struct net_device *dev,
1292 1293 1294 1295
		    struct iw_request_info *info,
		    struct iw_point *dwrq, char *extra)
{
	int ret = 0;
1296
	struct lbs_private *priv = dev->priv;
1297 1298 1299
	struct assoc_request * assoc_req;
	u16 is_default = 0, index = 0, set_tx_key = 0;

1300
	lbs_deb_enter(LBS_DEB_WEXT);
1301

1302 1303
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1304 1305 1306 1307 1308 1309 1310
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->flags & IW_ENCODE_DISABLED) {
		disable_wep (assoc_req);
1311
		disable_wpa (assoc_req);
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325
		goto out;
	}

	ret = validate_key_index(assoc_req->wep_tx_keyidx,
	                         (dwrq->flags & IW_ENCODE_INDEX),
	                         &index, &is_default);
	if (ret) {
		ret = -EINVAL;
		goto out;
	}

	/* If WEP isn't enabled, or if there is no key data but a valid
	 * index, set the TX key.
	 */
1326
	if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1327 1328
		set_tx_key = 1;

1329
	ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1330 1331 1332 1333 1334 1335 1336 1337 1338
	if (ret)
		goto out;

	if (dwrq->length)
		set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
	if (set_tx_key)
		set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);

	if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1339
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1340
	} else if (dwrq->flags & IW_ENCODE_OPEN) {
1341
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1342 1343 1344 1345 1346
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1347
		lbs_postpone_association_work(priv);
1348
	} else {
1349
		lbs_cancel_association_work(priv);
1350
	}
1351
	mutex_unlock(&priv->lock);
1352

1353
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365
	return ret;
}

/**
 *  @brief Get Extended Encryption key (WPA/802.1x and WEP)
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 on success, otherwise failure
 */
1366
static int lbs_get_encodeext(struct net_device *dev,
1367 1368 1369 1370 1371
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = -EINVAL;
1372
	struct lbs_private *priv = dev->priv;
1373 1374 1375
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int index, max_key_len;

1376
	lbs_deb_enter(LBS_DEB_WEXT);
1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387

	max_key_len = dwrq->length - sizeof(*ext);
	if (max_key_len < 0)
		goto out;

	index = dwrq->flags & IW_ENCODE_INDEX;
	if (index) {
		if (index < 1 || index > 4)
			goto out;
		index--;
	} else {
1388
		index = priv->wep_tx_keyidx;
1389 1390
	}

R
Roel Kluin 已提交
1391
	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1392
	    ext->alg != IW_ENCODE_ALG_WEP) {
1393
		if (index != 0 || priv->mode != IW_MODE_INFRA)
1394 1395 1396 1397 1398 1399
			goto out;
	}

	dwrq->flags = index + 1;
	memset(ext, 0, sizeof(*ext));

1400 1401 1402
	if (   !priv->secinfo.wep_enabled
	    && !priv->secinfo.WPAenabled
	    && !priv->secinfo.WPA2enabled) {
1403 1404 1405 1406 1407 1408
		ext->alg = IW_ENCODE_ALG_NONE;
		ext->key_len = 0;
		dwrq->flags |= IW_ENCODE_DISABLED;
	} else {
		u8 *key = NULL;

1409 1410 1411
		if (   priv->secinfo.wep_enabled
		    && !priv->secinfo.WPAenabled
		    && !priv->secinfo.WPA2enabled) {
1412
			/* WEP */
1413
			ext->alg = IW_ENCODE_ALG_WEP;
1414 1415 1416 1417 1418
			ext->key_len = priv->wep_keys[index].len;
			key = &priv->wep_keys[index].key[0];
		} else if (   !priv->secinfo.wep_enabled
		           && (priv->secinfo.WPAenabled ||
		               priv->secinfo.WPA2enabled)) {
1419
			/* WPA */
1420
			struct enc_key * pkey = NULL;
1421

1422 1423 1424 1425 1426 1427
			if (   priv->wpa_mcast_key.len
			    && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
				pkey = &priv->wpa_mcast_key;
			else if (   priv->wpa_unicast_key.len
			         && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
				pkey = &priv->wpa_unicast_key;
1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440

			if (pkey) {
				if (pkey->type == KEY_TYPE_ID_AES) {
					ext->alg = IW_ENCODE_ALG_CCMP;
				} else {
					ext->alg = IW_ENCODE_ALG_TKIP;
				}
				ext->key_len = pkey->len;
				key = &pkey->key[0];
			} else {
				ext->alg = IW_ENCODE_ALG_TKIP;
				ext->key_len = 0;
			}
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458
		} else {
			goto out;
		}

		if (ext->key_len > max_key_len) {
			ret = -E2BIG;
			goto out;
		}

		if (ext->key_len)
			memcpy(ext->key, key, ext->key_len);
		else
			dwrq->flags |= IW_ENCODE_NOKEY;
		dwrq->flags |= IW_ENCODE_ENABLED;
	}
	ret = 0;

out:
1459
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471
	return ret;
}

/**
 *  @brief Set Encryption key Extended (WPA/802.1x and WEP)
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1472
static int lbs_set_encodeext(struct net_device *dev,
1473 1474 1475 1476 1477
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = 0;
1478
	struct lbs_private *priv = dev->priv;
1479 1480 1481 1482
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int alg = ext->alg;
	struct assoc_request * assoc_req;

1483
	lbs_deb_enter(LBS_DEB_WEXT);
1484

1485 1486
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1487 1488 1489 1490 1491 1492 1493
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
		disable_wep (assoc_req);
1494
		disable_wpa (assoc_req);
1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506
	} else if (alg == IW_ENCODE_ALG_WEP) {
		u16 is_default = 0, index, set_tx_key = 0;

		ret = validate_key_index(assoc_req->wep_tx_keyidx,
		                         (dwrq->flags & IW_ENCODE_INDEX),
		                         &index, &is_default);
		if (ret)
			goto out;

		/* If WEP isn't enabled, or if there is no key data but a valid
		 * index, or if the set-TX-key flag was passed, set the TX key.
		 */
1507
		if (   !assoc_req->secinfo.wep_enabled
1508 1509 1510 1511 1512
		    || (dwrq->length == 0 && !is_default)
		    || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
			set_tx_key = 1;

		/* Copy key to driver */
1513
		ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1514 1515 1516 1517 1518
					set_tx_key);
		if (ret)
			goto out;

		if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1519
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1520
		} else if (dwrq->flags & IW_ENCODE_OPEN) {
1521
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1522 1523 1524 1525 1526 1527 1528 1529 1530
		}

		/* Mark the various WEP bits as modified */
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
		if (dwrq->length)
			set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
		if (set_tx_key)
			set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
	} else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1531
		struct enc_key * pkey;
1532 1533 1534 1535 1536 1537

		/* validate key length */
		if (((alg == IW_ENCODE_ALG_TKIP)
			&& (ext->key_len != KEY_LEN_WPA_TKIP))
		    || ((alg == IW_ENCODE_ALG_CCMP)
		        && (ext->key_len != KEY_LEN_WPA_AES))) {
1538
				lbs_deb_wext("invalid size %d for key of alg "
1539
				       "type %d\n",
1540 1541 1542 1543 1544 1545
				       ext->key_len,
				       alg);
				ret = -EINVAL;
				goto out;
		}

1546
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1547
			pkey = &assoc_req->wpa_mcast_key;
1548 1549
			set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
		} else {
1550
			pkey = &assoc_req->wpa_unicast_key;
1551 1552
			set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
		}
1553

1554
		memset(pkey, 0, sizeof (struct enc_key));
1555 1556
		memcpy(pkey->key, ext->key, ext->key_len);
		pkey->len = ext->key_len;
1557 1558
		if (pkey->len)
			pkey->flags |= KEY_INFO_WPA_ENABLED;
1559

1560
		/* Do this after zeroing key structure */
1561 1562 1563 1564 1565 1566
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
			pkey->flags |= KEY_INFO_WPA_MCAST;
		} else {
			pkey->flags |= KEY_INFO_WPA_UNICAST;
		}

1567
		if (alg == IW_ENCODE_ALG_TKIP) {
1568
			pkey->type = KEY_TYPE_ID_TKIP;
1569
		} else if (alg == IW_ENCODE_ALG_CCMP) {
1570
			pkey->type = KEY_TYPE_ID_AES;
1571
		}
1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585

		/* If WPA isn't enabled yet, do that now */
		if (   assoc_req->secinfo.WPAenabled == 0
		    && assoc_req->secinfo.WPA2enabled == 0) {
			assoc_req->secinfo.WPAenabled = 1;
			assoc_req->secinfo.WPA2enabled = 1;
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
		}

		disable_wep (assoc_req);
	}

out:
	if (ret == 0) {
1586
		lbs_postpone_association_work(priv);
1587
	} else {
1588
		lbs_cancel_association_work(priv);
1589
	}
1590
	mutex_unlock(&priv->lock);
1591

1592
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1593 1594 1595 1596
	return ret;
}


1597
static int lbs_set_genie(struct net_device *dev,
1598 1599 1600 1601
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1602
	struct lbs_private *priv = dev->priv;
1603 1604 1605
	int ret = 0;
	struct assoc_request * assoc_req;

1606
	lbs_deb_enter(LBS_DEB_WEXT);
1607

1608 1609
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->length > MAX_WPA_IE_LEN ||
	    (dwrq->length && extra == NULL)) {
		ret = -EINVAL;
		goto out;
	}

	if (dwrq->length) {
		memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
		assoc_req->wpa_ie_len = dwrq->length;
	} else {
1625
		memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1626 1627 1628 1629 1630 1631
		assoc_req->wpa_ie_len = 0;
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1632
		lbs_postpone_association_work(priv);
1633
	} else {
1634
		lbs_cancel_association_work(priv);
1635
	}
1636
	mutex_unlock(&priv->lock);
1637

1638
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1639 1640 1641
	return ret;
}

1642
static int lbs_get_genie(struct net_device *dev,
1643 1644 1645 1646
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1647
	int ret = 0;
1648
	struct lbs_private *priv = dev->priv;
1649

1650
	lbs_deb_enter(LBS_DEB_WEXT);
1651

1652
	if (priv->wpa_ie_len == 0) {
1653
		dwrq->length = 0;
1654
		goto out;
1655 1656
	}

1657
	if (dwrq->length < priv->wpa_ie_len) {
1658 1659
		ret = -E2BIG;
		goto out;
1660 1661
	}

1662 1663
	dwrq->length = priv->wpa_ie_len;
	memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1664

1665 1666 1667
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1668 1669 1670
}


1671
static int lbs_set_auth(struct net_device *dev,
1672 1673 1674 1675
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1676
	struct lbs_private *priv = dev->priv;
1677 1678 1679 1680
	struct assoc_request * assoc_req;
	int ret = 0;
	int updated = 0;

1681
	lbs_deb_enter(LBS_DEB_WEXT);
1682

1683 1684
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1685 1686 1687 1688 1689 1690 1691 1692 1693 1694
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_TKIP_COUNTERMEASURES:
	case IW_AUTH_CIPHER_PAIRWISE:
	case IW_AUTH_CIPHER_GROUP:
	case IW_AUTH_KEY_MGMT:
1695
	case IW_AUTH_DROP_UNENCRYPTED:
1696 1697 1698 1699 1700 1701 1702 1703 1704
		/*
		 * libertas does not use these parameters
		 */
		break;

	case IW_AUTH_WPA_VERSION:
		if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1705
			disable_wpa (assoc_req);
1706 1707 1708
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
			assoc_req->secinfo.WPAenabled = 1;
1709
			assoc_req->secinfo.wep_enabled = 0;
1710
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1711 1712 1713
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
			assoc_req->secinfo.WPA2enabled = 1;
1714
			assoc_req->secinfo.wep_enabled = 0;
1715
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1716 1717 1718 1719 1720 1721
		}
		updated = 1;
		break;

	case IW_AUTH_80211_AUTH_ALG:
		if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1722
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1723
		} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1724
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1725
		} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1726
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738
		} else {
			ret = -EINVAL;
		}
		updated = 1;
		break;

	case IW_AUTH_WPA_ENABLED:
		if (dwrq->value) {
			if (!assoc_req->secinfo.WPAenabled &&
			    !assoc_req->secinfo.WPA2enabled) {
				assoc_req->secinfo.WPAenabled = 1;
				assoc_req->secinfo.WPA2enabled = 1;
1739
				assoc_req->secinfo.wep_enabled = 0;
1740
				assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1741 1742 1743 1744
			}
		} else {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1745
			disable_wpa (assoc_req);
1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758
		}
		updated = 1;
		break;

	default:
		ret = -EOPNOTSUPP;
		break;
	}

out:
	if (ret == 0) {
		if (updated)
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1759
		lbs_postpone_association_work(priv);
1760
	} else if (ret != -EOPNOTSUPP) {
1761
		lbs_cancel_association_work(priv);
1762
	}
1763
	mutex_unlock(&priv->lock);
1764

1765
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1766 1767 1768
	return ret;
}

1769
static int lbs_get_auth(struct net_device *dev,
1770 1771 1772 1773
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1774
	int ret = 0;
1775
	struct lbs_private *priv = dev->priv;
1776

1777
	lbs_deb_enter(LBS_DEB_WEXT);
1778 1779 1780 1781

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		dwrq->value = 0;
1782
		if (priv->secinfo.WPAenabled)
1783
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1784
		if (priv->secinfo.WPA2enabled)
1785 1786 1787 1788 1789 1790
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
		if (!dwrq->value)
			dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
		break;

	case IW_AUTH_80211_AUTH_ALG:
1791
		dwrq->value = priv->secinfo.auth_mode;
1792 1793 1794
		break;

	case IW_AUTH_WPA_ENABLED:
1795
		if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1796 1797 1798 1799
			dwrq->value = 1;
		break;

	default:
1800
		ret = -EOPNOTSUPP;
1801 1802
	}

1803 1804
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1805 1806 1807
}


1808
static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1809 1810 1811
		   struct iw_param *vwrq, char *extra)
{
	int ret = 0;
1812
	struct lbs_private *priv = dev->priv;
1813
	s16 dbm = (s16) vwrq->value;
1814

1815
	lbs_deb_enter(LBS_DEB_WEXT);
1816 1817

	if (vwrq->disabled) {
1818
		lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
1819
		goto out;
1820 1821
	}

1822 1823 1824 1825 1826 1827 1828 1829 1830 1831
	if (vwrq->fixed == 0) {
		/* Auto power control */
		dbm = priv->txpower_max;
	} else {
		/* Userspace check in iwrange if it should use dBm or mW,
		 * therefore this should never happen... Jean II */
		if ((vwrq->flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
			ret = -EOPNOTSUPP;
			goto out;
		}
1832

1833 1834 1835 1836 1837
		/* Validate requested power level against firmware allowed levels */
		if (priv->txpower_min && (dbm < priv->txpower_min)) {
			ret = -EINVAL;
			goto out;
		}
1838

1839 1840 1841 1842 1843
		if (priv->txpower_max && (dbm > priv->txpower_max)) {
			ret = -EINVAL;
			goto out;
		}
	}
1844

1845 1846 1847 1848 1849 1850
	/* If the radio was off, turn it on */
	if (!priv->radio_on) {
		ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
		if (ret)
			goto out;
	}
1851

1852
	lbs_deb_wext("txpower set %d dBm\n", dbm);
1853

1854
	ret = lbs_set_tx_power(priv, dbm);
1855

1856
out:
1857
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1858 1859 1860
	return ret;
}

1861
static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1862 1863
		   struct iw_point *dwrq, char *extra)
{
1864
	struct lbs_private *priv = dev->priv;
1865

1866 1867
	lbs_deb_enter(LBS_DEB_WEXT);

1868 1869 1870 1871 1872 1873 1874 1875
	/*
	 * Note : if dwrq->flags != 0, we should get the relevant SSID from
	 * the SSID list...
	 */

	/*
	 * Get the current SSID
	 */
1876 1877 1878 1879
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(extra, priv->curbssparams.ssid,
		       priv->curbssparams.ssid_len);
		extra[priv->curbssparams.ssid_len] = '\0';
1880 1881
	} else {
		memset(extra, 0, 32);
1882
		extra[priv->curbssparams.ssid_len] = '\0';
1883 1884 1885 1886 1887
	}
	/*
	 * If none, we may want to get the one that was set
	 */

1888
	dwrq->length = priv->curbssparams.ssid_len;
1889 1890 1891

	dwrq->flags = 1;	/* active */

1892
	lbs_deb_leave(LBS_DEB_WEXT);
1893 1894 1895
	return 0;
}

1896
static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1897 1898
		   struct iw_point *dwrq, char *extra)
{
1899
	struct lbs_private *priv = dev->priv;
1900
	int ret = 0;
1901 1902
	u8 ssid[IW_ESSID_MAX_SIZE];
	u8 ssid_len = 0;
1903
	struct assoc_request * assoc_req;
1904
	int in_ssid_len = dwrq->length;
1905

1906
	lbs_deb_enter(LBS_DEB_WEXT);
1907

1908 1909 1910 1911 1912
	if (!priv->radio_on) {
		ret = -EINVAL;
		goto out;
	}

1913
	/* Check the size of the string */
1914
	if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1915 1916 1917 1918
		ret = -E2BIG;
		goto out;
	}

1919
	memset(&ssid, 0, sizeof(ssid));
1920

1921
	if (!dwrq->flags || !in_ssid_len) {
1922 1923 1924
		/* "any" SSID requested; leave SSID blank */
	} else {
		/* Specific SSID requested */
1925 1926
		memcpy(&ssid, extra, in_ssid_len);
		ssid_len = in_ssid_len;
1927 1928
	}

1929 1930 1931 1932 1933 1934
	if (!ssid_len) {
		lbs_deb_wext("requested any SSID\n");
	} else {
		lbs_deb_wext("requested SSID '%s'\n",
		             escape_essid(ssid, ssid_len));
	}
1935 1936

out:
1937
	mutex_lock(&priv->lock);
1938 1939
	if (ret == 0) {
		/* Get or create the current association request */
1940
		assoc_req = lbs_get_association_request(priv);
1941 1942 1943 1944
		if (!assoc_req) {
			ret = -ENOMEM;
		} else {
			/* Copy the SSID to the association request */
1945 1946
			memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
			assoc_req->ssid_len = ssid_len;
1947
			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1948
			lbs_postpone_association_work(priv);
1949 1950 1951 1952 1953
		}
	}

	/* Cancel the association request if there was an error */
	if (ret != 0) {
1954
		lbs_cancel_association_work(priv);
1955 1956
	}

1957
	mutex_unlock(&priv->lock);
1958

1959
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1960 1961 1962
	return ret;
}

1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
static int lbs_mesh_get_essid(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_point *dwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;

	lbs_deb_enter(LBS_DEB_WEXT);

	memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);

	dwrq->length = priv->mesh_ssid_len;

	dwrq->flags = 1;	/* active */

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}

static int lbs_mesh_set_essid(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_point *dwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;
	int ret = 0;

	lbs_deb_enter(LBS_DEB_WEXT);

1990 1991 1992 1993 1994
	if (!priv->radio_on) {
		ret = -EINVAL;
		goto out;
	}

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
	/* Check the size of the string */
	if (dwrq->length > IW_ESSID_MAX_SIZE) {
		ret = -E2BIG;
		goto out;
	}

	if (!dwrq->flags || !dwrq->length) {
		ret = -EINVAL;
		goto out;
	} else {
		/* Specific SSID requested */
		memcpy(priv->mesh_ssid, extra, dwrq->length);
		priv->mesh_ssid_len = dwrq->length;
	}

2010 2011
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
			priv->curbssparams.channel);
2012 2013 2014 2015 2016
 out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

2017 2018 2019 2020 2021 2022 2023 2024 2025
/**
 *  @brief Connect to the AP or Ad-hoc Network with specific bssid
 *
 *  @param dev          A pointer to net_device structure
 *  @param info         A pointer to iw_request_info structure
 *  @param awrq         A pointer to iw_param structure
 *  @param extra        A pointer to extra data buf
 *  @return             0 --success, otherwise fail
 */
2026
static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2027 2028
		 struct sockaddr *awrq, char *extra)
{
2029
	struct lbs_private *priv = dev->priv;
2030 2031
	struct assoc_request * assoc_req;
	int ret = 0;
2032
	DECLARE_MAC_BUF(mac);
2033

2034
	lbs_deb_enter(LBS_DEB_WEXT);
2035

2036 2037 2038
	if (!priv->radio_on)
		return -EINVAL;

2039 2040 2041
	if (awrq->sa_family != ARPHRD_ETHER)
		return -EINVAL;

2042
	lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2043

2044
	mutex_lock(&priv->lock);
2045 2046

	/* Get or create the current association request */
2047
	assoc_req = lbs_get_association_request(priv);
2048
	if (!assoc_req) {
2049
		lbs_cancel_association_work(priv);
2050 2051 2052 2053 2054
		ret = -ENOMEM;
	} else {
		/* Copy the BSSID to the association request */
		memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
		set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2055
		lbs_postpone_association_work(priv);
2056 2057
	}

2058
	mutex_unlock(&priv->lock);
2059 2060 2061 2062 2063 2064 2065

	return ret;
}

/*
 * iwconfig settable callbacks
 */
2066
static const iw_handler lbs_handler[] = {
2067
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2068
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2069 2070
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2071 2072 2073 2074
	(iw_handler) lbs_set_freq,	/* SIOCSIWFREQ */
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
	(iw_handler) lbs_set_mode,	/* SIOCSIWMODE */
	(iw_handler) lbs_get_mode,	/* SIOCGIWMODE */
2075 2076 2077
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2078
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2079 2080 2081 2082 2083 2084 2085 2086
	(iw_handler) NULL,	/* SIOCSIWPRIV */
	(iw_handler) NULL,	/* SIOCGIWPRIV */
	(iw_handler) NULL,	/* SIOCSIWSTATS */
	(iw_handler) NULL,	/* SIOCGIWSTATS */
	iw_handler_set_spy,	/* SIOCSIWSPY */
	iw_handler_get_spy,	/* SIOCGIWSPY */
	iw_handler_set_thrspy,	/* SIOCSIWTHRSPY */
	iw_handler_get_thrspy,	/* SIOCGIWTHRSPY */
2087 2088
	(iw_handler) lbs_set_wap,	/* SIOCSIWAP */
	(iw_handler) lbs_get_wap,	/* SIOCGIWAP */
2089 2090
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2091 2092 2093 2094 2095 2096
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
	(iw_handler) lbs_set_essid,	/* SIOCSIWESSID */
	(iw_handler) lbs_get_essid,	/* SIOCGIWESSID */
	(iw_handler) lbs_set_nick,	/* SIOCSIWNICKN */
	(iw_handler) lbs_get_nick,	/* SIOCGIWNICKN */
2097 2098
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
	(iw_handler) lbs_set_rate,	/* SIOCSIWRATE */
	(iw_handler) lbs_get_rate,	/* SIOCGIWRATE */
	(iw_handler) lbs_set_rts,	/* SIOCSIWRTS */
	(iw_handler) lbs_get_rts,	/* SIOCGIWRTS */
	(iw_handler) lbs_set_frag,	/* SIOCSIWFRAG */
	(iw_handler) lbs_get_frag,	/* SIOCGIWFRAG */
	(iw_handler) lbs_set_txpow,	/* SIOCSIWTXPOW */
	(iw_handler) lbs_get_txpow,	/* SIOCGIWTXPOW */
	(iw_handler) lbs_set_retry,	/* SIOCSIWRETRY */
	(iw_handler) lbs_get_retry,	/* SIOCGIWRETRY */
	(iw_handler) lbs_set_encode,	/* SIOCSIWENCODE */
	(iw_handler) lbs_get_encode,	/* SIOCGIWENCODE */
	(iw_handler) lbs_set_power,	/* SIOCSIWPOWER */
	(iw_handler) lbs_get_power,	/* SIOCGIWPOWER */
2113 2114
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2115 2116 2117 2118 2119 2120
	(iw_handler) lbs_set_genie,	/* SIOCSIWGENIE */
	(iw_handler) lbs_get_genie,	/* SIOCGIWGENIE */
	(iw_handler) lbs_set_auth,	/* SIOCSIWAUTH */
	(iw_handler) lbs_get_auth,	/* SIOCGIWAUTH */
	(iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
	(iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2121 2122 2123
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};

2124 2125
static const iw_handler mesh_wlan_handler[] = {
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2126
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2127 2128
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2129
	(iw_handler) lbs_mesh_set_freq,	/* SIOCSIWFREQ */
2130
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
2131 2132 2133 2134 2135
	(iw_handler) NULL,		/* SIOCSIWMODE */
	(iw_handler) mesh_wlan_get_mode,	/* SIOCGIWMODE */
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2136
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148
	(iw_handler) NULL,	/* SIOCSIWPRIV */
	(iw_handler) NULL,	/* SIOCGIWPRIV */
	(iw_handler) NULL,	/* SIOCSIWSTATS */
	(iw_handler) NULL,	/* SIOCGIWSTATS */
	iw_handler_set_spy,	/* SIOCSIWSPY */
	iw_handler_get_spy,	/* SIOCGIWSPY */
	iw_handler_set_thrspy,	/* SIOCSIWTHRSPY */
	iw_handler_get_thrspy,	/* SIOCGIWTHRSPY */
	(iw_handler) NULL,	/* SIOCSIWAP */
	(iw_handler) NULL,	/* SIOCGIWAP */
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2149 2150
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
2151 2152
	(iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
	(iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2153 2154 2155 2156
	(iw_handler) NULL,		/* SIOCSIWNICKN */
	(iw_handler) mesh_get_nick,	/* SIOCGIWNICKN */
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170
	(iw_handler) lbs_set_rate,	/* SIOCSIWRATE */
	(iw_handler) lbs_get_rate,	/* SIOCGIWRATE */
	(iw_handler) lbs_set_rts,	/* SIOCSIWRTS */
	(iw_handler) lbs_get_rts,	/* SIOCGIWRTS */
	(iw_handler) lbs_set_frag,	/* SIOCSIWFRAG */
	(iw_handler) lbs_get_frag,	/* SIOCGIWFRAG */
	(iw_handler) lbs_set_txpow,	/* SIOCSIWTXPOW */
	(iw_handler) lbs_get_txpow,	/* SIOCGIWTXPOW */
	(iw_handler) lbs_set_retry,	/* SIOCSIWRETRY */
	(iw_handler) lbs_get_retry,	/* SIOCGIWRETRY */
	(iw_handler) lbs_set_encode,	/* SIOCSIWENCODE */
	(iw_handler) lbs_get_encode,	/* SIOCGIWENCODE */
	(iw_handler) lbs_set_power,	/* SIOCSIWPOWER */
	(iw_handler) lbs_get_power,	/* SIOCGIWPOWER */
2171 2172
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2173 2174 2175 2176 2177 2178
	(iw_handler) lbs_set_genie,	/* SIOCSIWGENIE */
	(iw_handler) lbs_get_genie,	/* SIOCGIWGENIE */
	(iw_handler) lbs_set_auth,	/* SIOCSIWAUTH */
	(iw_handler) lbs_get_auth,	/* SIOCGIWAUTH */
	(iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
	(iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2179 2180
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};
2181 2182 2183 2184
struct iw_handler_def lbs_handler_def = {
	.num_standard	= ARRAY_SIZE(lbs_handler),
	.standard	= (iw_handler *) lbs_handler,
	.get_wireless_stats = lbs_get_wireless_stats,
2185
};
2186 2187

struct iw_handler_def mesh_handler_def = {
2188
	.num_standard	= ARRAY_SIZE(mesh_wlan_handler),
2189
	.standard	= (iw_handler *) mesh_wlan_handler,
2190
	.get_wireless_stats = lbs_get_wireless_stats,
2191
};