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
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)
989 990 991
			lbs_cmd_80211_deauthenticate(priv,
						     priv->curbssparams.bssid,
						     WLAN_REASON_DEAUTH_LEAVING);
992 993 994
		else if (priv->mode == IW_MODE_ADHOC)
			lbs_stop_adhoc_network(priv);
	}
995
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
996
	lbs_update_channel(priv);
997 998 999 1000 1001 1002 1003
	ret = 0;

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

1004
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1005 1006
		  struct iw_param *vwrq, char *extra)
{
1007
	struct lbs_private *priv = dev->priv;
1008
	u8 new_rate = 0;
1009 1010
	int ret = -EINVAL;
	u8 rates[MAX_RATES + 1];
1011

1012 1013
	lbs_deb_enter(LBS_DEB_WEXT);
	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1014 1015 1016 1017
	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);

	if (vwrq->fixed && vwrq->value == -1)
		goto out;
1018

1019
	/* Auto rate? */
1020 1021 1022
	priv->enablehwauto = !vwrq->fixed;

	if (vwrq->value == -1)
1023
		priv->cur_rate = 0;
1024
	else {
1025 1026
		if (vwrq->value % 100000)
			goto out;
1027

1028 1029 1030
		new_rate = vwrq->value / 500000;
		priv->cur_rate = new_rate;
		/* the rest is only needed for lbs_set_data_rate() */
1031
		memset(rates, 0, sizeof(rates));
1032
		copy_active_data_rates(priv, rates);
1033 1034 1035 1036
		if (!memchr(rates, new_rate, sizeof(rates))) {
			lbs_pr_alert("fixed data rate 0x%X out of range\n",
				new_rate);
			goto out;
1037 1038 1039
		}
	}

1040 1041 1042 1043 1044 1045
	/* 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);
1046

1047
out:
1048
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1049 1050 1051
	return ret;
}

1052
static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1053 1054
		  struct iw_param *vwrq, char *extra)
{
1055
	struct lbs_private *priv = dev->priv;
1056

1057
	lbs_deb_enter(LBS_DEB_WEXT);
1058

1059 1060
	if (priv->connect_status == LBS_CONNECTED) {
		vwrq->value = priv->cur_rate * 500000;
1061

1062
		if (priv->enablehwauto)
1063 1064 1065 1066
			vwrq->fixed = 0;
		else
			vwrq->fixed = 1;

1067
	} else {
1068 1069
		vwrq->fixed = 0;
		vwrq->value = 0;
1070 1071
	}

1072
	lbs_deb_leave(LBS_DEB_WEXT);
1073 1074 1075
	return 0;
}

1076
static int lbs_set_mode(struct net_device *dev,
1077 1078 1079
		  struct iw_request_info *info, u32 * uwrq, char *extra)
{
	int ret = 0;
1080
	struct lbs_private *priv = dev->priv;
1081 1082
	struct assoc_request * assoc_req;

1083
	lbs_deb_enter(LBS_DEB_WEXT);
1084

1085 1086 1087
	if (   (*uwrq != IW_MODE_ADHOC)
	    && (*uwrq != IW_MODE_INFRA)
	    && (*uwrq != IW_MODE_AUTO)) {
1088
		lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1089 1090
		ret = -EINVAL;
		goto out;
1091 1092
	}

1093 1094
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1095 1096
	if (!assoc_req) {
		ret = -ENOMEM;
1097
		lbs_cancel_association_work(priv);
1098
	} else {
1099
		assoc_req->mode = *uwrq;
1100
		set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1101
		lbs_postpone_association_work(priv);
1102
		lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1103
	}
1104
	mutex_unlock(&priv->lock);
1105

1106
out:
1107
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
	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
 */
1121
static int lbs_get_encode(struct net_device *dev,
1122 1123 1124
			   struct iw_request_info *info,
			   struct iw_point *dwrq, u8 * extra)
{
1125
	struct lbs_private *priv = dev->priv;
1126 1127
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

1128
	lbs_deb_enter(LBS_DEB_WEXT);
1129

1130
	lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1131
	       dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1132 1133 1134 1135

	dwrq->flags = 0;

	/* Authentication method */
1136
	switch (priv->secinfo.auth_mode) {
1137
	case IW_AUTH_ALG_OPEN_SYSTEM:
1138 1139 1140
		dwrq->flags = IW_ENCODE_OPEN;
		break;

1141 1142
	case IW_AUTH_ALG_SHARED_KEY:
	case IW_AUTH_ALG_LEAP:
1143 1144 1145 1146 1147 1148 1149 1150 1151
		dwrq->flags = IW_ENCODE_RESTRICTED;
		break;
	default:
		dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
		break;
	}

	memset(extra, 0, 16);

1152
	mutex_lock(&priv->lock);
1153 1154 1155

	/* Default to returning current transmit key */
	if (index < 0)
1156
		index = priv->wep_tx_keyidx;
1157

1158 1159 1160 1161
	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;
1162 1163 1164 1165

		dwrq->flags |= (index + 1);
		/* Return WEP enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1166 1167
	} else if ((priv->secinfo.WPAenabled)
		   || (priv->secinfo.WPA2enabled)) {
1168 1169
		/* return WPA enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1170
		dwrq->flags |= IW_ENCODE_NOKEY;
1171 1172 1173 1174
	} else {
		dwrq->flags |= IW_ENCODE_DISABLED;
	}

1175
	mutex_unlock(&priv->lock);
1176

1177
	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1178 1179 1180
	       extra[0], extra[1], extra[2],
	       extra[3], extra[4], extra[5], dwrq->length);

1181
	lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1182

1183
	lbs_deb_leave(LBS_DEB_WEXT);
1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196
	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
 */
1197
static int lbs_set_wep_key(struct assoc_request *assoc_req,
1198 1199 1200 1201 1202
			    const char *key_material,
			    u16 key_length,
			    u16 index,
			    int set_tx_key)
{
1203
	int ret = 0;
1204
	struct enc_key *pkey;
1205

1206
	lbs_deb_enter(LBS_DEB_WEXT);
1207 1208 1209

	/* Paranoid validation of key index */
	if (index > 3) {
1210 1211
		ret = -EINVAL;
		goto out;
1212 1213 1214 1215
	}

	/* validate max key length */
	if (key_length > KEY_LEN_WEP_104) {
1216 1217
		ret = -EINVAL;
		goto out;
1218 1219 1220 1221 1222
	}

	pkey = &assoc_req->wep_keys[index];

	if (key_length > 0) {
1223
		memset(pkey, 0, sizeof(struct enc_key));
1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234
		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) {
1235 1236 1237
			lbs_deb_wext("key not set, so cannot enable it\n");
			ret = -EINVAL;
			goto out;
1238 1239 1240 1241
		}
		assoc_req->wep_tx_keyidx = index;
	}

1242
	assoc_req->secinfo.wep_enabled = 1;
1243

1244 1245 1246
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270
}

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;

1271 1272
	lbs_deb_enter(LBS_DEB_WEXT);

1273
	/* Set Open System auth mode */
1274
	assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1275 1276

	/* Clear WEP keys and mark WEP as disabled */
1277
	assoc_req->secinfo.wep_enabled = 0;
1278 1279 1280 1281 1282
	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);
1283 1284 1285 1286 1287 1288 1289 1290

	lbs_deb_leave(LBS_DEB_WEXT);
}

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

1291
	memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1292 1293 1294
	assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
	set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);

1295
	memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1296 1297 1298 1299 1300 1301 1302 1303
	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);
1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
}

/**
 *  @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
 */
1315
static int lbs_set_encode(struct net_device *dev,
1316 1317 1318 1319
		    struct iw_request_info *info,
		    struct iw_point *dwrq, char *extra)
{
	int ret = 0;
1320
	struct lbs_private *priv = dev->priv;
1321 1322 1323
	struct assoc_request * assoc_req;
	u16 is_default = 0, index = 0, set_tx_key = 0;

1324
	lbs_deb_enter(LBS_DEB_WEXT);
1325

1326 1327
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1328 1329 1330 1331 1332 1333 1334
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->flags & IW_ENCODE_DISABLED) {
		disable_wep (assoc_req);
1335
		disable_wpa (assoc_req);
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349
		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.
	 */
1350
	if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1351 1352
		set_tx_key = 1;

1353
	ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1354 1355 1356 1357 1358 1359 1360 1361 1362
	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) {
1363
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1364
	} else if (dwrq->flags & IW_ENCODE_OPEN) {
1365
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1366 1367 1368 1369 1370
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1371
		lbs_postpone_association_work(priv);
1372
	} else {
1373
		lbs_cancel_association_work(priv);
1374
	}
1375
	mutex_unlock(&priv->lock);
1376

1377
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389
	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
 */
1390
static int lbs_get_encodeext(struct net_device *dev,
1391 1392 1393 1394 1395
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = -EINVAL;
1396
	struct lbs_private *priv = dev->priv;
1397 1398 1399
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int index, max_key_len;

1400
	lbs_deb_enter(LBS_DEB_WEXT);
1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411

	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 {
1412
		index = priv->wep_tx_keyidx;
1413 1414
	}

R
Roel Kluin 已提交
1415
	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1416
	    ext->alg != IW_ENCODE_ALG_WEP) {
1417
		if (index != 0 || priv->mode != IW_MODE_INFRA)
1418 1419 1420 1421 1422 1423
			goto out;
	}

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

1424 1425 1426
	if (   !priv->secinfo.wep_enabled
	    && !priv->secinfo.WPAenabled
	    && !priv->secinfo.WPA2enabled) {
1427 1428 1429 1430 1431 1432
		ext->alg = IW_ENCODE_ALG_NONE;
		ext->key_len = 0;
		dwrq->flags |= IW_ENCODE_DISABLED;
	} else {
		u8 *key = NULL;

1433 1434 1435
		if (   priv->secinfo.wep_enabled
		    && !priv->secinfo.WPAenabled
		    && !priv->secinfo.WPA2enabled) {
1436
			/* WEP */
1437
			ext->alg = IW_ENCODE_ALG_WEP;
1438 1439 1440 1441 1442
			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)) {
1443
			/* WPA */
1444
			struct enc_key * pkey = NULL;
1445

1446 1447 1448 1449 1450 1451
			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;
1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464

			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;
			}
1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482
		} 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:
1483
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495
	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
 */
1496
static int lbs_set_encodeext(struct net_device *dev,
1497 1498 1499 1500 1501
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = 0;
1502
	struct lbs_private *priv = dev->priv;
1503 1504 1505 1506
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int alg = ext->alg;
	struct assoc_request * assoc_req;

1507
	lbs_deb_enter(LBS_DEB_WEXT);
1508

1509 1510
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1511 1512 1513 1514 1515 1516 1517
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
		disable_wep (assoc_req);
1518
		disable_wpa (assoc_req);
1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
	} 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.
		 */
1531
		if (   !assoc_req->secinfo.wep_enabled
1532 1533 1534 1535 1536
		    || (dwrq->length == 0 && !is_default)
		    || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
			set_tx_key = 1;

		/* Copy key to driver */
1537
		ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1538 1539 1540 1541 1542
					set_tx_key);
		if (ret)
			goto out;

		if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1543
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1544
		} else if (dwrq->flags & IW_ENCODE_OPEN) {
1545
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1546 1547 1548 1549 1550 1551 1552 1553 1554
		}

		/* 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)) {
1555
		struct enc_key * pkey;
1556 1557 1558 1559 1560 1561

		/* 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))) {
1562
				lbs_deb_wext("invalid size %d for key of alg "
1563
				       "type %d\n",
1564 1565 1566 1567 1568 1569
				       ext->key_len,
				       alg);
				ret = -EINVAL;
				goto out;
		}

1570
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1571
			pkey = &assoc_req->wpa_mcast_key;
1572 1573
			set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
		} else {
1574
			pkey = &assoc_req->wpa_unicast_key;
1575 1576
			set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
		}
1577

1578
		memset(pkey, 0, sizeof (struct enc_key));
1579 1580
		memcpy(pkey->key, ext->key, ext->key_len);
		pkey->len = ext->key_len;
1581 1582
		if (pkey->len)
			pkey->flags |= KEY_INFO_WPA_ENABLED;
1583

1584
		/* Do this after zeroing key structure */
1585 1586 1587 1588 1589 1590
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
			pkey->flags |= KEY_INFO_WPA_MCAST;
		} else {
			pkey->flags |= KEY_INFO_WPA_UNICAST;
		}

1591
		if (alg == IW_ENCODE_ALG_TKIP) {
1592
			pkey->type = KEY_TYPE_ID_TKIP;
1593
		} else if (alg == IW_ENCODE_ALG_CCMP) {
1594
			pkey->type = KEY_TYPE_ID_AES;
1595
		}
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609

		/* 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) {
1610
		lbs_postpone_association_work(priv);
1611
	} else {
1612
		lbs_cancel_association_work(priv);
1613
	}
1614
	mutex_unlock(&priv->lock);
1615

1616
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1617 1618 1619 1620
	return ret;
}


1621
static int lbs_set_genie(struct net_device *dev,
1622 1623 1624 1625
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1626
	struct lbs_private *priv = dev->priv;
1627 1628 1629
	int ret = 0;
	struct assoc_request * assoc_req;

1630
	lbs_deb_enter(LBS_DEB_WEXT);
1631

1632 1633
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648
	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 {
1649
		memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1650 1651 1652 1653 1654 1655
		assoc_req->wpa_ie_len = 0;
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1656
		lbs_postpone_association_work(priv);
1657
	} else {
1658
		lbs_cancel_association_work(priv);
1659
	}
1660
	mutex_unlock(&priv->lock);
1661

1662
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1663 1664 1665
	return ret;
}

1666
static int lbs_get_genie(struct net_device *dev,
1667 1668 1669 1670
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1671
	int ret = 0;
1672
	struct lbs_private *priv = dev->priv;
1673

1674
	lbs_deb_enter(LBS_DEB_WEXT);
1675

1676
	if (priv->wpa_ie_len == 0) {
1677
		dwrq->length = 0;
1678
		goto out;
1679 1680
	}

1681
	if (dwrq->length < priv->wpa_ie_len) {
1682 1683
		ret = -E2BIG;
		goto out;
1684 1685
	}

1686 1687
	dwrq->length = priv->wpa_ie_len;
	memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1688

1689 1690 1691
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1692 1693 1694
}


1695
static int lbs_set_auth(struct net_device *dev,
1696 1697 1698 1699
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1700
	struct lbs_private *priv = dev->priv;
1701 1702 1703 1704
	struct assoc_request * assoc_req;
	int ret = 0;
	int updated = 0;

1705
	lbs_deb_enter(LBS_DEB_WEXT);
1706

1707 1708
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1709 1710 1711 1712 1713 1714 1715 1716 1717 1718
	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:
1719
	case IW_AUTH_DROP_UNENCRYPTED:
1720 1721 1722 1723 1724 1725 1726 1727 1728
		/*
		 * 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;
1729
			disable_wpa (assoc_req);
1730 1731 1732
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
			assoc_req->secinfo.WPAenabled = 1;
1733
			assoc_req->secinfo.wep_enabled = 0;
1734
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1735 1736 1737
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
			assoc_req->secinfo.WPA2enabled = 1;
1738
			assoc_req->secinfo.wep_enabled = 0;
1739
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1740 1741 1742 1743 1744 1745
		}
		updated = 1;
		break;

	case IW_AUTH_80211_AUTH_ALG:
		if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1746
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1747
		} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1748
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1749
		} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1750
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762
		} 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;
1763
				assoc_req->secinfo.wep_enabled = 0;
1764
				assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1765 1766 1767 1768
			}
		} else {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1769
			disable_wpa (assoc_req);
1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782
		}
		updated = 1;
		break;

	default:
		ret = -EOPNOTSUPP;
		break;
	}

out:
	if (ret == 0) {
		if (updated)
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1783
		lbs_postpone_association_work(priv);
1784
	} else if (ret != -EOPNOTSUPP) {
1785
		lbs_cancel_association_work(priv);
1786
	}
1787
	mutex_unlock(&priv->lock);
1788

1789
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1790 1791 1792
	return ret;
}

1793
static int lbs_get_auth(struct net_device *dev,
1794 1795 1796 1797
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1798
	int ret = 0;
1799
	struct lbs_private *priv = dev->priv;
1800

1801
	lbs_deb_enter(LBS_DEB_WEXT);
1802 1803 1804 1805

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		dwrq->value = 0;
1806
		if (priv->secinfo.WPAenabled)
1807
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1808
		if (priv->secinfo.WPA2enabled)
1809 1810 1811 1812 1813 1814
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
		if (!dwrq->value)
			dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
		break;

	case IW_AUTH_80211_AUTH_ALG:
1815
		dwrq->value = priv->secinfo.auth_mode;
1816 1817 1818
		break;

	case IW_AUTH_WPA_ENABLED:
1819
		if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1820 1821 1822 1823
			dwrq->value = 1;
		break;

	default:
1824
		ret = -EOPNOTSUPP;
1825 1826
	}

1827 1828
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1829 1830 1831
}


1832
static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1833 1834 1835
		   struct iw_param *vwrq, char *extra)
{
	int ret = 0;
1836
	struct lbs_private *priv = dev->priv;
1837
	s16 dbm = (s16) vwrq->value;
1838

1839
	lbs_deb_enter(LBS_DEB_WEXT);
1840 1841

	if (vwrq->disabled) {
1842
		lbs_radio_ioctl(priv, RADIO_OFF);
1843
		goto out;
1844 1845
	}

1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856
	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;
		}
1857

1858 1859 1860 1861 1862
		/* Validate requested power level against firmware allowed levels */
		if (priv->txpower_min && (dbm < priv->txpower_min)) {
			ret = -EINVAL;
			goto out;
		}
1863

1864 1865 1866 1867 1868
		if (priv->txpower_max && (dbm > priv->txpower_max)) {
			ret = -EINVAL;
			goto out;
		}
	}
1869

1870
	lbs_radio_ioctl(priv, RADIO_ON);
1871

1872
	lbs_deb_wext("txpower set %d dBm\n", dbm);
1873

1874
	ret = lbs_set_tx_power(priv, dbm);
1875

1876
out:
1877
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1878 1879 1880
	return ret;
}

1881
static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1882 1883
		   struct iw_point *dwrq, char *extra)
{
1884
	struct lbs_private *priv = dev->priv;
1885

1886 1887
	lbs_deb_enter(LBS_DEB_WEXT);

1888 1889 1890 1891 1892 1893 1894 1895
	/*
	 * Note : if dwrq->flags != 0, we should get the relevant SSID from
	 * the SSID list...
	 */

	/*
	 * Get the current SSID
	 */
1896 1897 1898 1899
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(extra, priv->curbssparams.ssid,
		       priv->curbssparams.ssid_len);
		extra[priv->curbssparams.ssid_len] = '\0';
1900 1901
	} else {
		memset(extra, 0, 32);
1902
		extra[priv->curbssparams.ssid_len] = '\0';
1903 1904 1905 1906 1907
	}
	/*
	 * If none, we may want to get the one that was set
	 */

1908
	dwrq->length = priv->curbssparams.ssid_len;
1909 1910 1911

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

1912
	lbs_deb_leave(LBS_DEB_WEXT);
1913 1914 1915
	return 0;
}

1916
static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1917 1918
		   struct iw_point *dwrq, char *extra)
{
1919
	struct lbs_private *priv = dev->priv;
1920
	int ret = 0;
1921 1922
	u8 ssid[IW_ESSID_MAX_SIZE];
	u8 ssid_len = 0;
1923
	struct assoc_request * assoc_req;
1924
	int in_ssid_len = dwrq->length;
1925

1926
	lbs_deb_enter(LBS_DEB_WEXT);
1927 1928

	/* Check the size of the string */
1929
	if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1930 1931 1932 1933
		ret = -E2BIG;
		goto out;
	}

1934
	memset(&ssid, 0, sizeof(ssid));
1935

1936
	if (!dwrq->flags || !in_ssid_len) {
1937 1938 1939
		/* "any" SSID requested; leave SSID blank */
	} else {
		/* Specific SSID requested */
1940 1941
		memcpy(&ssid, extra, in_ssid_len);
		ssid_len = in_ssid_len;
1942 1943
	}

1944 1945 1946 1947 1948 1949
	if (!ssid_len) {
		lbs_deb_wext("requested any SSID\n");
	} else {
		lbs_deb_wext("requested SSID '%s'\n",
		             escape_essid(ssid, ssid_len));
	}
1950 1951

out:
1952
	mutex_lock(&priv->lock);
1953 1954
	if (ret == 0) {
		/* Get or create the current association request */
1955
		assoc_req = lbs_get_association_request(priv);
1956 1957 1958 1959
		if (!assoc_req) {
			ret = -ENOMEM;
		} else {
			/* Copy the SSID to the association request */
1960 1961
			memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
			assoc_req->ssid_len = ssid_len;
1962
			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1963
			lbs_postpone_association_work(priv);
1964 1965 1966 1967 1968
		}
	}

	/* Cancel the association request if there was an error */
	if (ret != 0) {
1969
		lbs_cancel_association_work(priv);
1970 1971
	}

1972
	mutex_unlock(&priv->lock);
1973

1974
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1975 1976 1977
	return ret;
}

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 2018 2019
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;
	}

2020 2021
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
			priv->curbssparams.channel);
2022 2023 2024 2025 2026
 out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

2027 2028 2029 2030 2031 2032 2033 2034 2035
/**
 *  @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
 */
2036
static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2037 2038
		 struct sockaddr *awrq, char *extra)
{
2039
	struct lbs_private *priv = dev->priv;
2040 2041
	struct assoc_request * assoc_req;
	int ret = 0;
2042
	DECLARE_MAC_BUF(mac);
2043

2044
	lbs_deb_enter(LBS_DEB_WEXT);
2045 2046 2047 2048

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

2049
	lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2050

2051
	mutex_lock(&priv->lock);
2052 2053

	/* Get or create the current association request */
2054
	assoc_req = lbs_get_association_request(priv);
2055
	if (!assoc_req) {
2056
		lbs_cancel_association_work(priv);
2057 2058 2059 2060 2061
		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);
2062
		lbs_postpone_association_work(priv);
2063 2064
	}

2065
	mutex_unlock(&priv->lock);
2066 2067 2068 2069 2070 2071 2072

	return ret;
}

/*
 * iwconfig settable callbacks
 */
2073
static const iw_handler lbs_handler[] = {
2074
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2075
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2076 2077
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2078 2079 2080 2081
	(iw_handler) lbs_set_freq,	/* SIOCSIWFREQ */
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
	(iw_handler) lbs_set_mode,	/* SIOCSIWMODE */
	(iw_handler) lbs_get_mode,	/* SIOCGIWMODE */
2082 2083 2084
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2085
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2086 2087 2088 2089 2090 2091 2092 2093
	(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 */
2094 2095
	(iw_handler) lbs_set_wap,	/* SIOCSIWAP */
	(iw_handler) lbs_get_wap,	/* SIOCGIWAP */
2096 2097
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2098 2099 2100 2101 2102 2103
	(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 */
2104 2105
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119
	(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 */
2120 2121
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2122 2123 2124 2125 2126 2127
	(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 */
2128 2129 2130
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};

2131 2132
static const iw_handler mesh_wlan_handler[] = {
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2133
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2134 2135
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2136
	(iw_handler) lbs_mesh_set_freq,	/* SIOCSIWFREQ */
2137
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
2138 2139 2140 2141 2142
	(iw_handler) NULL,		/* SIOCSIWMODE */
	(iw_handler) mesh_wlan_get_mode,	/* SIOCGIWMODE */
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2143
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155
	(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 */
2156 2157
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
2158 2159
	(iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
	(iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2160 2161 2162 2163
	(iw_handler) NULL,		/* SIOCSIWNICKN */
	(iw_handler) mesh_get_nick,	/* SIOCGIWNICKN */
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177
	(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 */
2178 2179
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2180 2181 2182 2183 2184 2185
	(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 */
2186 2187
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};
2188 2189 2190 2191
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,
2192
};
2193 2194

struct iw_handler_def mesh_handler_def = {
2195
	.num_standard	= ARRAY_SIZE(mesh_wlan_handler),
2196
	.standard	= (iw_handler *) mesh_wlan_handler,
2197
	.get_wireless_stats = lbs_get_wireless_stats,
2198
};