wext.c 54.3 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;
}


/**
 *  @brief Set Radio On/OFF
 *
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 *  @param priv                 A pointer to struct lbs_private structure
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 *  @option 			Radio Option
 *  @return 	   		0 --success, otherwise fail
 */
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static int lbs_radio_ioctl(struct lbs_private *priv, u8 option)
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{
	int ret = 0;

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	lbs_deb_enter(LBS_DEB_WEXT);
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	if (priv->radioon != option) {
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		lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
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		priv->radioon = option;
140

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		ret = lbs_prepare_and_send_command(priv,
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					    CMD_802_11_RADIO_CONTROL,
					    CMD_ACT_SET,
					    CMD_OPTION_WAITFORRSP, 0, NULL);
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	}

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

/**
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 *  @brief Copy active data rates based on adapter mode and status
153
 *
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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
 */
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static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
158
{
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	lbs_deb_enter(LBS_DEB_WEXT);
160

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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);
166

167
	lbs_deb_leave(LBS_DEB_WEXT);
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}

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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);
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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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179
	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)
{
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	struct lbs_private *priv = dev->priv;
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	struct chan_freq_power *cfp;

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	lbs_deb_enter(LBS_DEB_WEXT);
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	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
					   priv->curbssparams.channel);
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	if (!cfp) {
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		if (priv->curbssparams.channel)
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			lbs_deb_wext("invalid channel %d\n",
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			       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)
{
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	struct lbs_private *priv = dev->priv;
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	lbs_deb_enter(LBS_DEB_WEXT);
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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)
{
230
	struct lbs_private *priv = dev->priv;
231

232
	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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247
	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)
{
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	struct lbs_private *priv = dev->priv;
255

256
	lbs_deb_enter(LBS_DEB_WEXT);
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	dwrq->length = strlen(priv->nodename);
	memcpy(extra, priv->nodename, dwrq->length);
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	extra[dwrq->length] = '\0';
261

262
	dwrq->flags = 1;	/* active */
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264
	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 */

277
	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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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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299
	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);

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

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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;
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	struct lbs_private *priv = dev->priv;
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323
	lbs_deb_enter(LBS_DEB_WEXT);
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325
	priv->rtsthsd = 0;
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	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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332
	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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}

342
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;
346
	u32 fthr = vwrq->value;
347
	struct lbs_private *priv = dev->priv;
348

349
	lbs_deb_enter(LBS_DEB_WEXT);
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	if (vwrq->disabled) {
352
		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;
357
		priv->fragthsd = fthr;
358 359
	}

360
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
361
				    CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
362
				    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;
}

368
static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
369 370 371
			 struct iw_param *vwrq, char *extra)
{
	int ret = 0;
372
	struct lbs_private *priv = dev->priv;
373

374
	lbs_deb_enter(LBS_DEB_WEXT);
375

376
	priv->fragthsd = 0;
377
	ret = lbs_prepare_and_send_command(priv,
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				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
380
				    OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
381 382
	if (ret)
		goto out;
383

384
	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);
391 392 393
	return ret;
}

394
static int lbs_get_mode(struct net_device *dev,
395 396
			 struct iw_request_info *info, u32 * uwrq, char *extra)
{
397
	struct lbs_private *priv = dev->priv;
398

399
	lbs_deb_enter(LBS_DEB_WEXT);
400

401
	*uwrq = priv->mode;
402

403
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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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;
}

419
static int lbs_get_txpow(struct net_device *dev,
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			  struct iw_request_info *info,
			  struct iw_param *vwrq, char *extra)
{
	int ret = 0;
424
	struct lbs_private *priv = dev->priv;
425
	s16 curlevel = 0;
426

427
	lbs_deb_enter(LBS_DEB_WEXT);
428

429
	ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
430 431
	if (ret)
		goto out;
432

433 434 435 436
	lbs_deb_wext("tx power level %d dbm\n", curlevel);

	priv->txpower_cur = curlevel;
	vwrq->value = curlevel;
437
	vwrq->fixed = 1;
438
	if (priv->radioon) {
439 440
		vwrq->disabled = 0;
		vwrq->flags = IW_TXPOW_DBM;
441
	} else
442 443
		vwrq->disabled = 1;

444 445 446
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
447 448
}

449
static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
450 451 452
			  struct iw_param *vwrq, char *extra)
{
	int ret = 0;
453
	struct lbs_private *priv = dev->priv;
454

455
	lbs_deb_enter(LBS_DEB_WEXT);
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	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 */
466
		priv->txretrycount = vwrq->value + 1;
467

468
		ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
469 470
					    CMD_ACT_SET,
					    CMD_OPTION_WAITFORRSP,
471 472
					    OID_802_11_TX_RETRYCOUNT, NULL);

473 474
		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;
482 483
}

484
static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
485 486
			  struct iw_param *vwrq, char *extra)
{
487
	struct lbs_private *priv = dev->priv;
488 489
	int ret = 0;

490 491
	lbs_deb_enter(LBS_DEB_WEXT);

492
	priv->txretrycount = 0;
493
	ret = lbs_prepare_and_send_command(priv,
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				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
496
				    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 */
504
		vwrq->value = priv->txretrycount - 1;
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	}

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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
 */
551
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;
555
	struct lbs_private *priv = dev->priv;
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	struct iw_range *range = (struct iw_range *)extra;
	struct chan_freq_power *cfp;
558
	u8 rates[MAX_RATES + 1];
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	u8 flag = 0;

562
	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;
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	range->num_bitrates = i;
576
	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 =
590
		    &priv->parsed_region_chan;
591 592

		if (parsed_region_chan == NULL) {
593 594
			lbs_deb_wext("11d: parsed_region_chan is NULL\n");
			goto out;
595 596
		}
		band = parsed_region_chan->band;
597
		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;
603
			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;
616
			for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
617
			     && priv->region_channel[j].valid
618
			     && cfp
619
			     && (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++;
			}
		}
	}

631
	lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656
	       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;

657 658 659 660
	/*
	 * Right now we support only "iwconfig ethX power on|off"
	 */
	range->pm_capa = IW_POWER_ON;
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693

	/*
	 * 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;

694
	/* Setup the supported power level ranges */
695
	memset(range->txpower, 0, sizeof(range->txpower));
696 697 698 699
	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;
700 701 702 703 704 705

	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;

706
	if (priv->fwcapinfo & FW_CAPINFO_WPA) {
707 708 709 710 711 712
		range->enc_capa =   IW_ENC_CAPA_WPA
		                  | IW_ENC_CAPA_WPA2
		                  | IW_ENC_CAPA_CIPHER_TKIP
		                  | IW_ENC_CAPA_CIPHER_CCMP;
	}

713 714
out:
	lbs_deb_leave(LBS_DEB_WEXT);
715 716 717
	return 0;
}

718
static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
719 720
			  struct iw_param *vwrq, char *extra)
{
721
	struct lbs_private *priv = dev->priv;
722

723
	lbs_deb_enter(LBS_DEB_WEXT);
724

725 726 727 728 729 730 731
	if (!priv->ps_supported) {
		if (vwrq->disabled)
			return 0;
		else
			return -EINVAL;
	}

732 733 734 735 736
	/* PS is currently supported only in Infrastructure mode
	 * Remove this check if it is to be supported in IBSS mode also
	 */

	if (vwrq->disabled) {
737 738
		priv->psmode = LBS802_11POWERMODECAM;
		if (priv->psstate != PS_STATE_FULL_POWER) {
739
			lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
740 741 742 743 744 745
		}

		return 0;
	}

	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
746 747
		lbs_deb_wext(
		       "setting power timeout is not supported\n");
748 749
		return -EINVAL;
	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
750
		lbs_deb_wext("setting power period not supported\n");
751 752 753
		return -EINVAL;
	}

754
	if (priv->psmode != LBS802_11POWERMODECAM) {
755 756 757
		return 0;
	}

758
	priv->psmode = LBS802_11POWERMODEMAX_PSP;
759

760
	if (priv->connect_status == LBS_CONNECTED) {
761
		lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
762 763
	}

764
	lbs_deb_leave(LBS_DEB_WEXT);
765 766 767
	return 0;
}

768
static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
769 770
			  struct iw_param *vwrq, char *extra)
{
771
	struct lbs_private *priv = dev->priv;
772

773
	lbs_deb_enter(LBS_DEB_WEXT);
774 775

	vwrq->value = 0;
776 777 778
	vwrq->flags = 0;
	vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
		|| priv->connect_status == LBS_DISCONNECTED;
779

780
	lbs_deb_leave(LBS_DEB_WEXT);
781 782 783
	return 0;
}

784
static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
785 786 787 788 789 790 791 792 793
{
	enum {
		POOR = 30,
		FAIR = 60,
		GOOD = 80,
		VERY_GOOD = 90,
		EXCELLENT = 95,
		PERFECT = 100
	};
794
	struct lbs_private *priv = dev->priv;
795 796 797 798 799 800
	u32 rssi_qual;
	u32 tx_qual;
	u32 quality = 0;
	int stats_valid = 0;
	u8 rssi;
	u32 tx_retries;
801
	struct cmd_ds_802_11_get_log log;
802

803
	lbs_deb_enter(LBS_DEB_WEXT);
804

805
	priv->wstats.status = priv->mode;
806 807

	/* If we're not associated, all quality values are meaningless */
808 809
	if ((priv->connect_status != LBS_CONNECTED) &&
	    (priv->mesh_connect_status != LBS_CONNECTED))
810 811 812 813
		goto out;

	/* Quality by RSSI */
	priv->wstats.qual.level =
814 815
	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
	     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
816

817
	if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
818 819 820
		priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
	} else {
		priv->wstats.qual.noise =
821
		    CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
822 823
	}

824 825
	lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
	lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844

	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;

845 846 847 848 849
	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);
850 851 852 853 854 855 856 857 858 859 860 861 862 863 864

	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);

865
	priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
866
	priv->wstats.discard.retries = tx_retries;
867
	priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
868 869

	/* Calculate quality */
870
	priv->wstats.qual.qual = min_t(u8, quality, 100);
871 872 873 874
	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
	stats_valid = 1;

	/* update stats asynchronously for future calls */
875
	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
876 877 878 879 880 881 882 883 884 885 886 887 888
					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;
	}

889
	lbs_deb_leave(LBS_DEB_WEXT);
890 891 892 893 894
	return &priv->wstats;


}

895
static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
896 897
		  struct iw_freq *fwrq, char *extra)
{
898
	int ret = -EINVAL;
899
	struct lbs_private *priv = dev->priv;
900
	struct chan_freq_power *cfp;
901
	struct assoc_request * assoc_req;
902

903
	lbs_deb_enter(LBS_DEB_WEXT);
904

905 906
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
907 908 909 910
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}
911

912 913
	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
914 915
		long f = fwrq->m / 100000;

916
		cfp = find_cfp_by_band_and_freq(priv, 0, f);
917
		if (!cfp) {
918
			lbs_deb_wext("invalid freq %ld\n", f);
919
			goto out;
920 921 922
		}

		fwrq->e = 0;
923
		fwrq->m = (int) cfp->channel;
924 925
	}

926
	/* Setting by channel number */
927
	if (fwrq->m > 1000 || fwrq->e > 0) {
928 929
		goto out;
	}
930

931
	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
932 933
	if (!cfp) {
		goto out;
934 935
	}

936 937 938
	assoc_req->channel = fwrq->m;
	ret = 0;

939
out:
940 941
	if (ret == 0) {
		set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
942
		lbs_postpone_association_work(priv);
943
	} else {
944
		lbs_cancel_association_work(priv);
945
	}
946
	mutex_unlock(&priv->lock);
947 948 949

	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
950 951
}

952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
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)
			lbs_send_deauthentication(priv);
		else if (priv->mode == IW_MODE_ADHOC)
			lbs_stop_adhoc_network(priv);
	}
993
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
994
	lbs_update_channel(priv);
995 996 997 998 999 1000 1001
	ret = 0;

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

1002
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1003 1004
		  struct iw_param *vwrq, char *extra)
{
1005
	struct lbs_private *priv = dev->priv;
1006
	u8 new_rate = 0;
1007 1008
	int ret = -EINVAL;
	u8 rates[MAX_RATES + 1];
1009

1010 1011
	lbs_deb_enter(LBS_DEB_WEXT);
	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1012 1013 1014 1015
	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);

	if (vwrq->fixed && vwrq->value == -1)
		goto out;
1016

1017
	/* Auto rate? */
1018 1019 1020
	priv->enablehwauto = !vwrq->fixed;

	if (vwrq->value == -1)
1021
		priv->cur_rate = 0;
1022
	else {
1023 1024
		if (vwrq->value % 100000)
			goto out;
1025

1026 1027 1028
		new_rate = vwrq->value / 500000;
		priv->cur_rate = new_rate;
		/* the rest is only needed for lbs_set_data_rate() */
1029
		memset(rates, 0, sizeof(rates));
1030
		copy_active_data_rates(priv, rates);
1031 1032 1033 1034
		if (!memchr(rates, new_rate, sizeof(rates))) {
			lbs_pr_alert("fixed data rate 0x%X out of range\n",
				new_rate);
			goto out;
1035 1036 1037
		}
	}

1038 1039 1040 1041 1042 1043
	/* 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);
1044

1045
out:
1046
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1047 1048 1049
	return ret;
}

1050
static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1051 1052
		  struct iw_param *vwrq, char *extra)
{
1053
	struct lbs_private *priv = dev->priv;
1054

1055
	lbs_deb_enter(LBS_DEB_WEXT);
1056

1057 1058
	if (priv->connect_status == LBS_CONNECTED) {
		vwrq->value = priv->cur_rate * 500000;
1059

1060
		if (priv->enablehwauto)
1061 1062 1063 1064
			vwrq->fixed = 0;
		else
			vwrq->fixed = 1;

1065
	} else {
1066 1067
		vwrq->fixed = 0;
		vwrq->value = 0;
1068 1069
	}

1070
	lbs_deb_leave(LBS_DEB_WEXT);
1071 1072 1073
	return 0;
}

1074
static int lbs_set_mode(struct net_device *dev,
1075 1076 1077
		  struct iw_request_info *info, u32 * uwrq, char *extra)
{
	int ret = 0;
1078
	struct lbs_private *priv = dev->priv;
1079 1080
	struct assoc_request * assoc_req;

1081
	lbs_deb_enter(LBS_DEB_WEXT);
1082

1083 1084 1085
	if (   (*uwrq != IW_MODE_ADHOC)
	    && (*uwrq != IW_MODE_INFRA)
	    && (*uwrq != IW_MODE_AUTO)) {
1086
		lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1087 1088
		ret = -EINVAL;
		goto out;
1089 1090
	}

1091 1092
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1093 1094
	if (!assoc_req) {
		ret = -ENOMEM;
1095
		lbs_cancel_association_work(priv);
1096
	} else {
1097
		assoc_req->mode = *uwrq;
1098
		set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1099
		lbs_postpone_association_work(priv);
1100
		lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1101
	}
1102
	mutex_unlock(&priv->lock);
1103

1104
out:
1105
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118
	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
 */
1119
static int lbs_get_encode(struct net_device *dev,
1120 1121 1122
			   struct iw_request_info *info,
			   struct iw_point *dwrq, u8 * extra)
{
1123
	struct lbs_private *priv = dev->priv;
1124 1125
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

1126
	lbs_deb_enter(LBS_DEB_WEXT);
1127

1128
	lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1129
	       dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1130 1131 1132 1133

	dwrq->flags = 0;

	/* Authentication method */
1134
	switch (priv->secinfo.auth_mode) {
1135
	case IW_AUTH_ALG_OPEN_SYSTEM:
1136 1137 1138
		dwrq->flags = IW_ENCODE_OPEN;
		break;

1139 1140
	case IW_AUTH_ALG_SHARED_KEY:
	case IW_AUTH_ALG_LEAP:
1141 1142 1143 1144 1145 1146 1147 1148 1149
		dwrq->flags = IW_ENCODE_RESTRICTED;
		break;
	default:
		dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
		break;
	}

	memset(extra, 0, 16);

1150
	mutex_lock(&priv->lock);
1151 1152 1153

	/* Default to returning current transmit key */
	if (index < 0)
1154
		index = priv->wep_tx_keyidx;
1155

1156 1157 1158 1159
	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;
1160 1161 1162 1163

		dwrq->flags |= (index + 1);
		/* Return WEP enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1164 1165
	} else if ((priv->secinfo.WPAenabled)
		   || (priv->secinfo.WPA2enabled)) {
1166 1167
		/* return WPA enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1168
		dwrq->flags |= IW_ENCODE_NOKEY;
1169 1170 1171 1172
	} else {
		dwrq->flags |= IW_ENCODE_DISABLED;
	}

1173
	mutex_unlock(&priv->lock);
1174

1175
	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1176 1177 1178
	       extra[0], extra[1], extra[2],
	       extra[3], extra[4], extra[5], dwrq->length);

1179
	lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1180

1181
	lbs_deb_leave(LBS_DEB_WEXT);
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
	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
 */
1195
static int lbs_set_wep_key(struct assoc_request *assoc_req,
1196 1197 1198 1199 1200
			    const char *key_material,
			    u16 key_length,
			    u16 index,
			    int set_tx_key)
{
1201
	int ret = 0;
1202
	struct enc_key *pkey;
1203

1204
	lbs_deb_enter(LBS_DEB_WEXT);
1205 1206 1207

	/* Paranoid validation of key index */
	if (index > 3) {
1208 1209
		ret = -EINVAL;
		goto out;
1210 1211 1212 1213
	}

	/* validate max key length */
	if (key_length > KEY_LEN_WEP_104) {
1214 1215
		ret = -EINVAL;
		goto out;
1216 1217 1218 1219 1220
	}

	pkey = &assoc_req->wep_keys[index];

	if (key_length > 0) {
1221
		memset(pkey, 0, sizeof(struct enc_key));
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
		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) {
1233 1234 1235
			lbs_deb_wext("key not set, so cannot enable it\n");
			ret = -EINVAL;
			goto out;
1236 1237 1238 1239
		}
		assoc_req->wep_tx_keyidx = index;
	}

1240
	assoc_req->secinfo.wep_enabled = 1;
1241

1242 1243 1244
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268
}

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;

1269 1270
	lbs_deb_enter(LBS_DEB_WEXT);

1271
	/* Set Open System auth mode */
1272
	assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1273 1274

	/* Clear WEP keys and mark WEP as disabled */
1275
	assoc_req->secinfo.wep_enabled = 0;
1276 1277 1278 1279 1280
	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);
1281 1282 1283 1284 1285 1286 1287 1288

	lbs_deb_leave(LBS_DEB_WEXT);
}

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

1289
	memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1290 1291 1292
	assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
	set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);

1293
	memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1294 1295 1296 1297 1298 1299 1300 1301
	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);
1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312
}

/**
 *  @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
 */
1313
static int lbs_set_encode(struct net_device *dev,
1314 1315 1316 1317
		    struct iw_request_info *info,
		    struct iw_point *dwrq, char *extra)
{
	int ret = 0;
1318
	struct lbs_private *priv = dev->priv;
1319 1320 1321
	struct assoc_request * assoc_req;
	u16 is_default = 0, index = 0, set_tx_key = 0;

1322
	lbs_deb_enter(LBS_DEB_WEXT);
1323

1324 1325
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1326 1327 1328 1329 1330 1331 1332
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->flags & IW_ENCODE_DISABLED) {
		disable_wep (assoc_req);
1333
		disable_wpa (assoc_req);
1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
		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.
	 */
1348
	if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1349 1350
		set_tx_key = 1;

1351
	ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1352 1353 1354 1355 1356 1357 1358 1359 1360
	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) {
1361
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1362
	} else if (dwrq->flags & IW_ENCODE_OPEN) {
1363
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1364 1365 1366 1367 1368
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1369
		lbs_postpone_association_work(priv);
1370
	} else {
1371
		lbs_cancel_association_work(priv);
1372
	}
1373
	mutex_unlock(&priv->lock);
1374

1375
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387
	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
 */
1388
static int lbs_get_encodeext(struct net_device *dev,
1389 1390 1391 1392 1393
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = -EINVAL;
1394
	struct lbs_private *priv = dev->priv;
1395 1396 1397
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int index, max_key_len;

1398
	lbs_deb_enter(LBS_DEB_WEXT);
1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409

	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 {
1410
		index = priv->wep_tx_keyidx;
1411 1412
	}

R
Roel Kluin 已提交
1413
	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1414
	    ext->alg != IW_ENCODE_ALG_WEP) {
1415
		if (index != 0 || priv->mode != IW_MODE_INFRA)
1416 1417 1418 1419 1420 1421
			goto out;
	}

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

1422 1423 1424
	if (   !priv->secinfo.wep_enabled
	    && !priv->secinfo.WPAenabled
	    && !priv->secinfo.WPA2enabled) {
1425 1426 1427 1428 1429 1430
		ext->alg = IW_ENCODE_ALG_NONE;
		ext->key_len = 0;
		dwrq->flags |= IW_ENCODE_DISABLED;
	} else {
		u8 *key = NULL;

1431 1432 1433
		if (   priv->secinfo.wep_enabled
		    && !priv->secinfo.WPAenabled
		    && !priv->secinfo.WPA2enabled) {
1434
			/* WEP */
1435
			ext->alg = IW_ENCODE_ALG_WEP;
1436 1437 1438 1439 1440
			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)) {
1441
			/* WPA */
1442
			struct enc_key * pkey = NULL;
1443

1444 1445 1446 1447 1448 1449
			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;
1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462

			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;
			}
1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480
		} 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:
1481
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493
	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
 */
1494
static int lbs_set_encodeext(struct net_device *dev,
1495 1496 1497 1498 1499
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = 0;
1500
	struct lbs_private *priv = dev->priv;
1501 1502 1503 1504
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int alg = ext->alg;
	struct assoc_request * assoc_req;

1505
	lbs_deb_enter(LBS_DEB_WEXT);
1506

1507 1508
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1509 1510 1511 1512 1513 1514 1515
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
		disable_wep (assoc_req);
1516
		disable_wpa (assoc_req);
1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
	} 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.
		 */
1529
		if (   !assoc_req->secinfo.wep_enabled
1530 1531 1532 1533 1534
		    || (dwrq->length == 0 && !is_default)
		    || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
			set_tx_key = 1;

		/* Copy key to driver */
1535
		ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1536 1537 1538 1539 1540
					set_tx_key);
		if (ret)
			goto out;

		if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1541
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1542
		} else if (dwrq->flags & IW_ENCODE_OPEN) {
1543
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1544 1545 1546 1547 1548 1549 1550 1551 1552
		}

		/* 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)) {
1553
		struct enc_key * pkey;
1554 1555 1556 1557 1558 1559

		/* 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))) {
1560
				lbs_deb_wext("invalid size %d for key of alg "
1561
				       "type %d\n",
1562 1563 1564 1565 1566 1567
				       ext->key_len,
				       alg);
				ret = -EINVAL;
				goto out;
		}

1568
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1569
			pkey = &assoc_req->wpa_mcast_key;
1570 1571
			set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
		} else {
1572
			pkey = &assoc_req->wpa_unicast_key;
1573 1574
			set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
		}
1575

1576
		memset(pkey, 0, sizeof (struct enc_key));
1577 1578
		memcpy(pkey->key, ext->key, ext->key_len);
		pkey->len = ext->key_len;
1579 1580
		if (pkey->len)
			pkey->flags |= KEY_INFO_WPA_ENABLED;
1581

1582
		/* Do this after zeroing key structure */
1583 1584 1585 1586 1587 1588
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
			pkey->flags |= KEY_INFO_WPA_MCAST;
		} else {
			pkey->flags |= KEY_INFO_WPA_UNICAST;
		}

1589
		if (alg == IW_ENCODE_ALG_TKIP) {
1590
			pkey->type = KEY_TYPE_ID_TKIP;
1591
		} else if (alg == IW_ENCODE_ALG_CCMP) {
1592
			pkey->type = KEY_TYPE_ID_AES;
1593
		}
1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607

		/* 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) {
1608
		lbs_postpone_association_work(priv);
1609
	} else {
1610
		lbs_cancel_association_work(priv);
1611
	}
1612
	mutex_unlock(&priv->lock);
1613

1614
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1615 1616 1617 1618
	return ret;
}


1619
static int lbs_set_genie(struct net_device *dev,
1620 1621 1622 1623
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1624
	struct lbs_private *priv = dev->priv;
1625 1626 1627
	int ret = 0;
	struct assoc_request * assoc_req;

1628
	lbs_deb_enter(LBS_DEB_WEXT);
1629

1630 1631
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646
	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 {
1647
		memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1648 1649 1650 1651 1652 1653
		assoc_req->wpa_ie_len = 0;
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1654
		lbs_postpone_association_work(priv);
1655
	} else {
1656
		lbs_cancel_association_work(priv);
1657
	}
1658
	mutex_unlock(&priv->lock);
1659

1660
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1661 1662 1663
	return ret;
}

1664
static int lbs_get_genie(struct net_device *dev,
1665 1666 1667 1668
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1669
	int ret = 0;
1670
	struct lbs_private *priv = dev->priv;
1671

1672
	lbs_deb_enter(LBS_DEB_WEXT);
1673

1674
	if (priv->wpa_ie_len == 0) {
1675
		dwrq->length = 0;
1676
		goto out;
1677 1678
	}

1679
	if (dwrq->length < priv->wpa_ie_len) {
1680 1681
		ret = -E2BIG;
		goto out;
1682 1683
	}

1684 1685
	dwrq->length = priv->wpa_ie_len;
	memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1686

1687 1688 1689
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1690 1691 1692
}


1693
static int lbs_set_auth(struct net_device *dev,
1694 1695 1696 1697
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1698
	struct lbs_private *priv = dev->priv;
1699 1700 1701 1702
	struct assoc_request * assoc_req;
	int ret = 0;
	int updated = 0;

1703
	lbs_deb_enter(LBS_DEB_WEXT);
1704

1705 1706
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1707 1708 1709 1710 1711 1712 1713 1714 1715 1716
	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:
1717
	case IW_AUTH_DROP_UNENCRYPTED:
1718 1719 1720 1721 1722 1723 1724 1725 1726
		/*
		 * 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;
1727
			disable_wpa (assoc_req);
1728 1729 1730
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
			assoc_req->secinfo.WPAenabled = 1;
1731
			assoc_req->secinfo.wep_enabled = 0;
1732
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1733 1734 1735
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
			assoc_req->secinfo.WPA2enabled = 1;
1736
			assoc_req->secinfo.wep_enabled = 0;
1737
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1738 1739 1740 1741 1742 1743
		}
		updated = 1;
		break;

	case IW_AUTH_80211_AUTH_ALG:
		if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1744
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1745
		} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1746
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1747
		} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1748
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760
		} 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;
1761
				assoc_req->secinfo.wep_enabled = 0;
1762
				assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1763 1764 1765 1766
			}
		} else {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1767
			disable_wpa (assoc_req);
1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780
		}
		updated = 1;
		break;

	default:
		ret = -EOPNOTSUPP;
		break;
	}

out:
	if (ret == 0) {
		if (updated)
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1781
		lbs_postpone_association_work(priv);
1782
	} else if (ret != -EOPNOTSUPP) {
1783
		lbs_cancel_association_work(priv);
1784
	}
1785
	mutex_unlock(&priv->lock);
1786

1787
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1788 1789 1790
	return ret;
}

1791
static int lbs_get_auth(struct net_device *dev,
1792 1793 1794 1795
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1796
	int ret = 0;
1797
	struct lbs_private *priv = dev->priv;
1798

1799
	lbs_deb_enter(LBS_DEB_WEXT);
1800 1801 1802 1803

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		dwrq->value = 0;
1804
		if (priv->secinfo.WPAenabled)
1805
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1806
		if (priv->secinfo.WPA2enabled)
1807 1808 1809 1810 1811 1812
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
		if (!dwrq->value)
			dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
		break;

	case IW_AUTH_80211_AUTH_ALG:
1813
		dwrq->value = priv->secinfo.auth_mode;
1814 1815 1816
		break;

	case IW_AUTH_WPA_ENABLED:
1817
		if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1818 1819 1820 1821
			dwrq->value = 1;
		break;

	default:
1822
		ret = -EOPNOTSUPP;
1823 1824
	}

1825 1826
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1827 1828 1829
}


1830
static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1831 1832 1833
		   struct iw_param *vwrq, char *extra)
{
	int ret = 0;
1834
	struct lbs_private *priv = dev->priv;
1835
	s16 dbm = (s16) vwrq->value;
1836

1837
	lbs_deb_enter(LBS_DEB_WEXT);
1838 1839

	if (vwrq->disabled) {
1840
		lbs_radio_ioctl(priv, RADIO_OFF);
1841
		goto out;
1842 1843
	}

1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854
	if (vwrq->fixed == 0) {
		/* Auto power control */
		priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
		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;
		}
1855

1856 1857 1858 1859 1860
		/* Validate requested power level against firmware allowed levels */
		if (priv->txpower_min && (dbm < priv->txpower_min)) {
			ret = -EINVAL;
			goto out;
		}
1861

1862 1863 1864 1865 1866
		if (priv->txpower_max && (dbm > priv->txpower_max)) {
			ret = -EINVAL;
			goto out;
		}
	}
1867

1868
	lbs_radio_ioctl(priv, RADIO_ON);
1869

1870
	lbs_deb_wext("txpower set %d dBm\n", dbm);
1871

1872
	ret = lbs_set_tx_power(priv, dbm);
1873

1874
out:
1875
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1876 1877 1878
	return ret;
}

1879
static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1880 1881
		   struct iw_point *dwrq, char *extra)
{
1882
	struct lbs_private *priv = dev->priv;
1883

1884 1885
	lbs_deb_enter(LBS_DEB_WEXT);

1886 1887 1888 1889 1890 1891 1892 1893
	/*
	 * Note : if dwrq->flags != 0, we should get the relevant SSID from
	 * the SSID list...
	 */

	/*
	 * Get the current SSID
	 */
1894 1895 1896 1897
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(extra, priv->curbssparams.ssid,
		       priv->curbssparams.ssid_len);
		extra[priv->curbssparams.ssid_len] = '\0';
1898 1899
	} else {
		memset(extra, 0, 32);
1900
		extra[priv->curbssparams.ssid_len] = '\0';
1901 1902 1903 1904 1905
	}
	/*
	 * If none, we may want to get the one that was set
	 */

1906
	dwrq->length = priv->curbssparams.ssid_len;
1907 1908 1909

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

1910
	lbs_deb_leave(LBS_DEB_WEXT);
1911 1912 1913
	return 0;
}

1914
static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1915 1916
		   struct iw_point *dwrq, char *extra)
{
1917
	struct lbs_private *priv = dev->priv;
1918
	int ret = 0;
1919 1920
	u8 ssid[IW_ESSID_MAX_SIZE];
	u8 ssid_len = 0;
1921
	struct assoc_request * assoc_req;
1922
	int in_ssid_len = dwrq->length;
1923

1924
	lbs_deb_enter(LBS_DEB_WEXT);
1925 1926

	/* Check the size of the string */
1927
	if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1928 1929 1930 1931
		ret = -E2BIG;
		goto out;
	}

1932
	memset(&ssid, 0, sizeof(ssid));
1933

1934
	if (!dwrq->flags || !in_ssid_len) {
1935 1936 1937
		/* "any" SSID requested; leave SSID blank */
	} else {
		/* Specific SSID requested */
1938 1939
		memcpy(&ssid, extra, in_ssid_len);
		ssid_len = in_ssid_len;
1940 1941
	}

1942 1943 1944 1945 1946 1947
	if (!ssid_len) {
		lbs_deb_wext("requested any SSID\n");
	} else {
		lbs_deb_wext("requested SSID '%s'\n",
		             escape_essid(ssid, ssid_len));
	}
1948 1949

out:
1950
	mutex_lock(&priv->lock);
1951 1952
	if (ret == 0) {
		/* Get or create the current association request */
1953
		assoc_req = lbs_get_association_request(priv);
1954 1955 1956 1957
		if (!assoc_req) {
			ret = -ENOMEM;
		} else {
			/* Copy the SSID to the association request */
1958 1959
			memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
			assoc_req->ssid_len = ssid_len;
1960
			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1961
			lbs_postpone_association_work(priv);
1962 1963 1964 1965 1966
		}
	}

	/* Cancel the association request if there was an error */
	if (ret != 0) {
1967
		lbs_cancel_association_work(priv);
1968 1969
	}

1970
	mutex_unlock(&priv->lock);
1971

1972
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1973 1974 1975
	return ret;
}

1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
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);

	/* 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;
	}

2018 2019
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
			priv->curbssparams.channel);
2020 2021 2022 2023 2024
 out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

2025 2026 2027 2028 2029 2030 2031 2032 2033
/**
 *  @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
 */
2034
static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2035 2036
		 struct sockaddr *awrq, char *extra)
{
2037
	struct lbs_private *priv = dev->priv;
2038 2039
	struct assoc_request * assoc_req;
	int ret = 0;
2040
	DECLARE_MAC_BUF(mac);
2041

2042
	lbs_deb_enter(LBS_DEB_WEXT);
2043 2044 2045 2046

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

2047
	lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2048

2049
	mutex_lock(&priv->lock);
2050 2051

	/* Get or create the current association request */
2052
	assoc_req = lbs_get_association_request(priv);
2053
	if (!assoc_req) {
2054
		lbs_cancel_association_work(priv);
2055 2056 2057 2058 2059
		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);
2060
		lbs_postpone_association_work(priv);
2061 2062
	}

2063
	mutex_unlock(&priv->lock);
2064 2065 2066 2067 2068 2069 2070

	return ret;
}

/*
 * iwconfig settable callbacks
 */
2071
static const iw_handler lbs_handler[] = {
2072
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2073
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2074 2075
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2076 2077 2078 2079
	(iw_handler) lbs_set_freq,	/* SIOCSIWFREQ */
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
	(iw_handler) lbs_set_mode,	/* SIOCSIWMODE */
	(iw_handler) lbs_get_mode,	/* SIOCGIWMODE */
2080 2081 2082
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2083
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2084 2085 2086 2087 2088 2089 2090 2091
	(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 */
2092 2093
	(iw_handler) lbs_set_wap,	/* SIOCSIWAP */
	(iw_handler) lbs_get_wap,	/* SIOCGIWAP */
2094 2095
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2096 2097 2098 2099 2100 2101
	(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 */
2102 2103
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117
	(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 */
2118 2119
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2120 2121 2122 2123 2124 2125
	(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 */
2126 2127 2128
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};

2129 2130
static const iw_handler mesh_wlan_handler[] = {
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2131
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2132 2133
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2134
	(iw_handler) lbs_mesh_set_freq,	/* SIOCSIWFREQ */
2135
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
2136 2137 2138 2139 2140
	(iw_handler) NULL,		/* SIOCSIWMODE */
	(iw_handler) mesh_wlan_get_mode,	/* SIOCGIWMODE */
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2141
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
	(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 */
2154 2155
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
2156 2157
	(iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
	(iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2158 2159 2160 2161
	(iw_handler) NULL,		/* SIOCSIWNICKN */
	(iw_handler) mesh_get_nick,	/* SIOCGIWNICKN */
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175
	(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 */
2176 2177
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2178 2179 2180 2181 2182 2183
	(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 */
2184 2185
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};
2186 2187 2188 2189
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,
2190
};
2191 2192

struct iw_handler_def mesh_handler_def = {
2193
	.num_standard	= ARRAY_SIZE(mesh_wlan_handler),
2194
	.standard	= (iw_handler *) mesh_wlan_handler,
2195
	.get_wireless_stats = lbs_get_wireless_stats,
2196
};