wext.c 58.0 KB
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/**
  * This file contains ioctl functions
  */
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/bitops.h>

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#include <net/lib80211.h>
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#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)
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{
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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_do_association_work(struct lbs_private *priv)
{
	if (priv->surpriseremoved)
		return;
	cancel_delayed_work(&priv->assoc_work);
	queue_delayed_work(priv->work_thread, &priv->assoc_work, 0);
}

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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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void lbs_send_disconnect_notification(struct lbs_private *priv)
{
	union iwreq_data wrqu;

	memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
}

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static void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
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{
	union iwreq_data iwrq;
	u8 buf[50];

	lbs_deb_enter(LBS_DEB_WEXT);

	memset(&iwrq, 0, sizeof(union iwreq_data));
	memset(buf, 0, sizeof(buf));

	snprintf(buf, sizeof(buf) - 1, "%s", str);

	iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;

	/* Send Event to upper layer */
	lbs_deb_wext("event indication string %s\n", (char *)buf);
	lbs_deb_wext("event indication length %d\n", iwrq.data.length);
	lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);

	wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);

	lbs_deb_leave(LBS_DEB_WEXT);
}

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/**
 *  @brief This function handles MIC failure event.
 *
 *  @param priv    A pointer to struct lbs_private structure
 *  @para  event   the event id
 *  @return 	   n/a
 */
void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
{
	char buf[50];

	lbs_deb_enter(LBS_DEB_CMD);
	memset(buf, 0, sizeof(buf));

	sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");

	if (event == MACREG_INT_CODE_MIC_ERR_UNICAST)
		strcat(buf, "unicast ");
	else
		strcat(buf, "multicast ");

	lbs_send_iwevcustom_event(priv, buf);
	lbs_deb_leave(LBS_DEB_CMD);
}

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

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

/**
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 *  @brief Copy active data rates based on adapter mode and status
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 *
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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)
191
{
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	lbs_deb_enter(LBS_DEB_WEXT);
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	if ((priv->connect_status != LBS_CONNECTED) &&
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		!lbs_mesh_connected(priv))
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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);
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	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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	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->ml_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,
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					   priv->channel);
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	if (!cfp) {
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		if (priv->channel)
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			lbs_deb_wext("invalid channel %d\n",
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			       priv->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->ml_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)
{
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	struct lbs_private *priv = dev->ml_priv;
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	lbs_deb_enter(LBS_DEB_WEXT);
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	/*
	 * Check the size of the string
	 */

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

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

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static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_point *dwrq, char *extra)
{
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	struct lbs_private *priv = dev->ml_priv;
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	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';
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295
	dwrq->flags = 1;	/* active */
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297
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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#ifdef CONFIG_LIBERTAS_MESH
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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->ml_priv;
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	lbs_deb_enter(LBS_DEB_WEXT);

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

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	if (lbs_mesh_connected(priv)) {
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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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#endif
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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->ml_priv;
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	u32 val = vwrq->value;
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	lbs_deb_enter(LBS_DEB_WEXT);
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	if (vwrq->disabled)
		val = MRVDRV_RTS_MAX_VALUE;
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	if (val > MRVDRV_RTS_MAX_VALUE) /* min rts value is 0 */
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		return -EINVAL;

	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, (u16) val);
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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)
{
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	struct lbs_private *priv = dev->ml_priv;
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	int ret = 0;
	u16 val = 0;
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355
	lbs_deb_enter(LBS_DEB_WEXT);
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357
	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
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	if (ret)
		goto out;
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	vwrq->value = val;
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	vwrq->disabled = val > MRVDRV_RTS_MAX_VALUE; /* min rts value is 0 */
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	vwrq->fixed = 1;

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

370
static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
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			 struct iw_param *vwrq, char *extra)
{
373
	struct lbs_private *priv = dev->ml_priv;
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	int ret = 0;
	u32 val = vwrq->value;
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377
	lbs_deb_enter(LBS_DEB_WEXT);
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	if (vwrq->disabled)
		val = MRVDRV_FRAG_MAX_VALUE;

	if (val < MRVDRV_FRAG_MIN_VALUE || val > MRVDRV_FRAG_MAX_VALUE)
		return -EINVAL;
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	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, (u16) val);
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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_frag(struct net_device *dev, struct iw_request_info *info,
392 393
			 struct iw_param *vwrq, char *extra)
{
394
	struct lbs_private *priv = dev->ml_priv;
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	int ret = 0;
	u16 val = 0;
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398
	lbs_deb_enter(LBS_DEB_WEXT);
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400
	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
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	if (ret)
		goto out;
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	vwrq->value = val;
	vwrq->disabled = ((val < MRVDRV_FRAG_MIN_VALUE)
			  || (val > MRVDRV_FRAG_MAX_VALUE));
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	vwrq->fixed = 1;

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

414
static int lbs_get_mode(struct net_device *dev,
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			 struct iw_request_info *info, u32 * uwrq, char *extra)
{
417
	struct lbs_private *priv = dev->ml_priv;
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419
	lbs_deb_enter(LBS_DEB_WEXT);
420

421
	*uwrq = priv->mode;
422

423
	lbs_deb_leave(LBS_DEB_WEXT);
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	return 0;
}

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#ifdef CONFIG_LIBERTAS_MESH
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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);

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	*uwrq = IW_MODE_REPEAT;
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	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}
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#endif
440

441
static int lbs_get_txpow(struct net_device *dev,
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			  struct iw_request_info *info,
			  struct iw_param *vwrq, char *extra)
{
445
	struct lbs_private *priv = dev->ml_priv;
446
	s16 curlevel = 0;
447
	int ret = 0;
448

449
	lbs_deb_enter(LBS_DEB_WEXT);
450

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	if (!priv->radio_on) {
		lbs_deb_wext("tx power off\n");
		vwrq->value = 0;
		vwrq->disabled = 1;
		goto out;
	}

458
	ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
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	if (ret)
		goto out;
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	lbs_deb_wext("tx power level %d dbm\n", curlevel);
	priv->txpower_cur = curlevel;
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465
	vwrq->value = curlevel;
466
	vwrq->fixed = 1;
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	vwrq->disabled = 0;
	vwrq->flags = IW_TXPOW_DBM;
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out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
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}

475
static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
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			  struct iw_param *vwrq, char *extra)
{
478
	struct lbs_private *priv = dev->ml_priv;
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	int ret = 0;
	u16 slimit = 0, llimit = 0;
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482
	lbs_deb_enter(LBS_DEB_WEXT);
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        if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
                return -EOPNOTSUPP;

	/* The MAC has a 4-bit Total_Tx_Count register
	   Total_Tx_Count = 1 + Tx_Retry_Count */
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#define TX_RETRY_MIN 0
#define TX_RETRY_MAX 14
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	if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
		return -EINVAL;
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	/* Add 1 to convert retry count to try count */
	if (vwrq->flags & IW_RETRY_SHORT)
		slimit = (u16) (vwrq->value + 1);
	else if (vwrq->flags & IW_RETRY_LONG)
		llimit = (u16) (vwrq->value + 1);
	else
		slimit = llimit = (u16) (vwrq->value + 1); /* set both */
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	if (llimit) {
		ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT,
				       llimit);
		if (ret)
			goto out;
	}
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	if (slimit) {
		/* txretrycount follows the short retry limit */
		priv->txretrycount = slimit;
		ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT,
				       slimit);
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		if (ret)
			goto out;
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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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}

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static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
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			  struct iw_param *vwrq, char *extra)
{
526
	struct lbs_private *priv = dev->ml_priv;
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	int ret = 0;
528
	u16 val = 0;
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	lbs_deb_enter(LBS_DEB_WEXT);

532
	vwrq->disabled = 0;
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	if (vwrq->flags & IW_RETRY_LONG) {
		ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT, &val);
		if (ret)
			goto out;

		/* Subtract 1 to convert try count to retry count */
		vwrq->value = val - 1;
		vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
	} else {
		ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT, &val);
		if (ret)
			goto out;

		/* txretry count follows the short retry limit */
		priv->txretrycount = val;
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		/* Subtract 1 to convert try count to retry count */
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		vwrq->value = val - 1;
		vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
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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
 */
598
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;
602
	struct lbs_private *priv = dev->ml_priv;
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	struct iw_range *range = (struct iw_range *)extra;
	struct chan_freq_power *cfp;
605
	u8 rates[MAX_RATES + 1];
606

607
	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;
620
	range->num_bitrates = i;
621
	lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
622 623 624
	       range->num_bitrates);

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

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	for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
	     && (j < ARRAY_SIZE(priv->region_channel)); j++) {
		cfp = priv->region_channel[j].CFP;
631
		for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
H
Holger Schurig 已提交
632 633 634 635 636
		     && priv->region_channel[j].valid
		     && cfp
		     && (i < priv->region_channel[j].nrcfp); i++) {
			range->freq[range->num_frequency].i =
			    (long)cfp->channel;
637
			range->freq[range->num_frequency].m =
H
Holger Schurig 已提交
638
			    (long)cfp->freq * 100000;
639
			range->freq[range->num_frequency].e = 1;
H
Holger Schurig 已提交
640
			cfp++;
641 642 643 644
			range->num_frequency++;
		}
	}

645
	lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670
	       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;

671 672 673 674
	/*
	 * Right now we support only "iwconfig ethX power on|off"
	 */
	range->pm_capa = IW_POWER_ON;
675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707

	/*
	 * 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;

708
	/* Setup the supported power level ranges */
709
	memset(range->txpower, 0, sizeof(range->txpower));
710 711 712 713
	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;
714 715 716 717 718 719

	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;

720
	if (priv->fwcapinfo & FW_CAPINFO_WPA) {
721 722 723 724 725 726
		range->enc_capa =   IW_ENC_CAPA_WPA
		                  | IW_ENC_CAPA_WPA2
		                  | IW_ENC_CAPA_CIPHER_TKIP
		                  | IW_ENC_CAPA_CIPHER_CCMP;
	}

727
	lbs_deb_leave(LBS_DEB_WEXT);
728 729 730
	return 0;
}

731
static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
732 733
			  struct iw_param *vwrq, char *extra)
{
734
	struct lbs_private *priv = dev->ml_priv;
735
	int ret = 0;
736

737
	lbs_deb_enter(LBS_DEB_WEXT);
738

739
	if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
740 741 742 743 744 745
		if (vwrq->disabled)
			return 0;
		else
			return -EINVAL;
	}

746 747 748 749 750
	/* PS is currently supported only in Infrastructure mode
	 * Remove this check if it is to be supported in IBSS mode also
	 */

	if (vwrq->disabled) {
751 752
		priv->psmode = LBS802_11POWERMODECAM;
		if (priv->psstate != PS_STATE_FULL_POWER) {
753
			lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
754 755 756 757 758 759
		}

		return 0;
	}

	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
760 761
		lbs_deb_wext(
		       "setting power timeout is not supported\n");
762 763
		return -EINVAL;
	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811
		vwrq->value = vwrq->value / 1000;
		if (!priv->enter_deep_sleep) {
			lbs_pr_err("deep sleep feature is not implemented "
					"for this interface driver\n");
			return -EINVAL;
		}

		if (priv->connect_status == LBS_CONNECTED) {
			if ((priv->is_auto_deep_sleep_enabled) &&
						(vwrq->value == -1000)) {
				lbs_exit_auto_deep_sleep(priv);
				return 0;
			} else {
				lbs_pr_err("can't use deep sleep cmd in "
						"connected state\n");
				return -EINVAL;
			}
		}

		if ((vwrq->value < 0) && (vwrq->value != -1000)) {
			lbs_pr_err("unknown option\n");
			return -EINVAL;
		}

		if (vwrq->value > 0) {
			if (!priv->is_auto_deep_sleep_enabled) {
				priv->is_activity_detected = 0;
				priv->auto_deep_sleep_timeout = vwrq->value;
				lbs_enter_auto_deep_sleep(priv);
			} else {
				priv->auto_deep_sleep_timeout = vwrq->value;
				lbs_deb_debugfs("auto deep sleep: "
						"already enabled\n");
			}
			return 0;
		} else {
			if (priv->is_auto_deep_sleep_enabled) {
				lbs_exit_auto_deep_sleep(priv);
				/* Try to exit deep sleep if auto */
				/*deep sleep disabled */
				ret = lbs_set_deep_sleep(priv, 0);
			}
			if (vwrq->value == 0)
				ret = lbs_set_deep_sleep(priv, 1);
			else if (vwrq->value == -1000)
				ret = lbs_set_deep_sleep(priv, 0);
			return ret;
		}
812 813
	}

814
	if (priv->psmode != LBS802_11POWERMODECAM) {
815 816 817
		return 0;
	}

818
	priv->psmode = LBS802_11POWERMODEMAX_PSP;
819

820
	if (priv->connect_status == LBS_CONNECTED) {
821
		lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
822 823
	}

824
	lbs_deb_leave(LBS_DEB_WEXT);
825

826 827 828
	return 0;
}

829
static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
830 831
			  struct iw_param *vwrq, char *extra)
{
832
	struct lbs_private *priv = dev->ml_priv;
833

834
	lbs_deb_enter(LBS_DEB_WEXT);
835 836

	vwrq->value = 0;
837 838 839
	vwrq->flags = 0;
	vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
		|| priv->connect_status == LBS_DISCONNECTED;
840

841
	lbs_deb_leave(LBS_DEB_WEXT);
842 843 844
	return 0;
}

845
static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
846 847 848 849 850 851 852 853 854
{
	enum {
		POOR = 30,
		FAIR = 60,
		GOOD = 80,
		VERY_GOOD = 90,
		EXCELLENT = 95,
		PERFECT = 100
	};
855
	struct lbs_private *priv = dev->ml_priv;
856 857 858
	u32 rssi_qual;
	u32 tx_qual;
	u32 quality = 0;
859
	int ret, stats_valid = 0;
860 861
	u8 rssi;
	u32 tx_retries;
862
	struct cmd_ds_802_11_get_log log;
863

864
	lbs_deb_enter(LBS_DEB_WEXT);
865

866
	priv->wstats.status = priv->mode;
867 868

	/* If we're not associated, all quality values are meaningless */
869
	if ((priv->connect_status != LBS_CONNECTED) &&
870
	    !lbs_mesh_connected(priv))
871 872 873 874
		goto out;

	/* Quality by RSSI */
	priv->wstats.qual.level =
875 876
	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
	     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
877

878
	if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
879 880 881
		priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
	} else {
		priv->wstats.qual.noise =
882
		    CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
883 884
	}

885 886
	lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
	lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903

	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 */
904
	priv->wstats.discard.retries = dev->stats.tx_errors;
905

906 907
	memset(&log, 0, sizeof(log));
	log.hdr.size = cpu_to_le16(sizeof(log));
908 909 910
	ret = lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
	if (ret)
		goto out;
911 912

	tx_retries = le32_to_cpu(log.retry);
913 914 915 916 917 918 919 920 921 922 923 924 925 926 927

	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);

928
	priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
929
	priv->wstats.discard.retries = tx_retries;
930
	priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
931 932

	/* Calculate quality */
933
	priv->wstats.qual.qual = min_t(u8, quality, 100);
934 935 936 937
	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
	stats_valid = 1;

	/* update stats asynchronously for future calls */
938
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
939
					0, 0, NULL);
940 941
	if (ret)
		lbs_pr_err("RSSI command failed\n");
942 943 944 945 946 947 948 949 950 951 952 953
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;
	}

954
	lbs_deb_leave(LBS_DEB_WEXT);
955 956 957 958 959
	return &priv->wstats;


}

960
static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
961 962
		  struct iw_freq *fwrq, char *extra)
{
963
	int ret = -EINVAL;
964
	struct lbs_private *priv = dev->ml_priv;
965
	struct chan_freq_power *cfp;
966
	struct assoc_request * assoc_req;
967

968
	lbs_deb_enter(LBS_DEB_WEXT);
969

970 971
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
972 973 974 975
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}
976

977 978
	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
979 980
		long f = fwrq->m / 100000;

981
		cfp = find_cfp_by_band_and_freq(priv, 0, f);
982
		if (!cfp) {
983
			lbs_deb_wext("invalid freq %ld\n", f);
984
			goto out;
985 986 987
		}

		fwrq->e = 0;
988
		fwrq->m = (int) cfp->channel;
989 990
	}

991
	/* Setting by channel number */
992
	if (fwrq->m > 1000 || fwrq->e > 0) {
993 994
		goto out;
	}
995

996
	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
997 998
	if (!cfp) {
		goto out;
999 1000
	}

1001 1002 1003
	assoc_req->channel = fwrq->m;
	ret = 0;

1004
out:
1005 1006
	if (ret == 0) {
		set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
1007
		lbs_postpone_association_work(priv);
1008
	} else {
1009
		lbs_cancel_association_work(priv);
1010
	}
1011
	mutex_unlock(&priv->lock);
1012 1013 1014

	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1015 1016
}

H
Holger Schurig 已提交
1017
#ifdef CONFIG_LIBERTAS_MESH
1018 1019 1020 1021
static int lbs_mesh_set_freq(struct net_device *dev,
			     struct iw_request_info *info,
			     struct iw_freq *fwrq, char *extra)
{
1022
	struct lbs_private *priv = dev->ml_priv;
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051
	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;
	}

1052
	if (fwrq->m != priv->channel) {
1053 1054
		lbs_deb_wext("mesh channel change forces eth disconnect\n");
		if (priv->mode == IW_MODE_INFRA)
1055 1056 1057
			lbs_cmd_80211_deauthenticate(priv,
						     priv->curbssparams.bssid,
						     WLAN_REASON_DEAUTH_LEAVING);
1058
		else if (priv->mode == IW_MODE_ADHOC)
1059
			lbs_adhoc_stop(priv);
1060
	}
1061
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
1062
	lbs_update_channel(priv);
1063 1064 1065 1066 1067 1068
	ret = 0;

out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}
H
Holger Schurig 已提交
1069
#endif
1070

1071
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1072 1073
		  struct iw_param *vwrq, char *extra)
{
1074
	struct lbs_private *priv = dev->ml_priv;
1075
	u8 new_rate = 0;
1076 1077
	int ret = -EINVAL;
	u8 rates[MAX_RATES + 1];
1078

1079
	lbs_deb_enter(LBS_DEB_WEXT);
1080

1081
	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1082 1083 1084 1085
	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);

	if (vwrq->fixed && vwrq->value == -1)
		goto out;
1086

1087
	/* Auto rate? */
1088 1089 1090
	priv->enablehwauto = !vwrq->fixed;

	if (vwrq->value == -1)
1091
		priv->cur_rate = 0;
1092
	else {
1093 1094
		if (vwrq->value % 100000)
			goto out;
1095

1096 1097 1098
		new_rate = vwrq->value / 500000;
		priv->cur_rate = new_rate;
		/* the rest is only needed for lbs_set_data_rate() */
1099
		memset(rates, 0, sizeof(rates));
1100
		copy_active_data_rates(priv, rates);
1101 1102 1103 1104
		if (!memchr(rates, new_rate, sizeof(rates))) {
			lbs_pr_alert("fixed data rate 0x%X out of range\n",
				new_rate);
			goto out;
1105
		}
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
		if (priv->fwrelease < 0x09000000) {
			ret = lbs_set_power_adapt_cfg(priv, 0,
					POW_ADAPT_DEFAULT_P0,
					POW_ADAPT_DEFAULT_P1,
					POW_ADAPT_DEFAULT_P2);
			if (ret)
				goto out;
		}
		ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
				TPC_DEFAULT_P2, 1);
		if (ret)
			goto out;
1118 1119
	}

1120 1121 1122 1123 1124 1125
	/* 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);
1126

1127
out:
1128
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1129 1130 1131
	return ret;
}

1132
static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1133 1134
		  struct iw_param *vwrq, char *extra)
{
1135
	struct lbs_private *priv = dev->ml_priv;
1136

1137
	lbs_deb_enter(LBS_DEB_WEXT);
1138

1139 1140
	if (priv->connect_status == LBS_CONNECTED) {
		vwrq->value = priv->cur_rate * 500000;
1141

1142
		if (priv->enablehwauto)
1143 1144 1145 1146
			vwrq->fixed = 0;
		else
			vwrq->fixed = 1;

1147
	} else {
1148 1149
		vwrq->fixed = 0;
		vwrq->value = 0;
1150 1151
	}

1152
	lbs_deb_leave(LBS_DEB_WEXT);
1153 1154 1155
	return 0;
}

1156
static int lbs_set_mode(struct net_device *dev,
1157 1158 1159
		  struct iw_request_info *info, u32 * uwrq, char *extra)
{
	int ret = 0;
1160
	struct lbs_private *priv = dev->ml_priv;
1161 1162
	struct assoc_request * assoc_req;

1163
	lbs_deb_enter(LBS_DEB_WEXT);
1164

1165 1166 1167
	if (   (*uwrq != IW_MODE_ADHOC)
	    && (*uwrq != IW_MODE_INFRA)
	    && (*uwrq != IW_MODE_AUTO)) {
1168
		lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1169 1170
		ret = -EINVAL;
		goto out;
1171 1172
	}

1173 1174
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1175 1176
	if (!assoc_req) {
		ret = -ENOMEM;
1177
		lbs_cancel_association_work(priv);
1178
	} else {
1179
		assoc_req->mode = *uwrq;
1180
		set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1181
		lbs_postpone_association_work(priv);
1182
		lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1183
	}
1184
	mutex_unlock(&priv->lock);
1185

1186
out:
1187
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
	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
 */
1201
static int lbs_get_encode(struct net_device *dev,
1202 1203 1204
			   struct iw_request_info *info,
			   struct iw_point *dwrq, u8 * extra)
{
1205
	struct lbs_private *priv = dev->ml_priv;
1206 1207
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

1208
	lbs_deb_enter(LBS_DEB_WEXT);
1209

1210
	lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1211
	       dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1212 1213 1214 1215

	dwrq->flags = 0;

	/* Authentication method */
1216
	switch (priv->secinfo.auth_mode) {
1217
	case IW_AUTH_ALG_OPEN_SYSTEM:
1218 1219 1220
		dwrq->flags = IW_ENCODE_OPEN;
		break;

1221 1222
	case IW_AUTH_ALG_SHARED_KEY:
	case IW_AUTH_ALG_LEAP:
1223 1224 1225 1226 1227 1228 1229 1230 1231
		dwrq->flags = IW_ENCODE_RESTRICTED;
		break;
	default:
		dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
		break;
	}

	memset(extra, 0, 16);

1232
	mutex_lock(&priv->lock);
1233 1234 1235

	/* Default to returning current transmit key */
	if (index < 0)
1236
		index = priv->wep_tx_keyidx;
1237

1238 1239 1240 1241
	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;
1242 1243 1244 1245

		dwrq->flags |= (index + 1);
		/* Return WEP enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1246 1247
	} else if ((priv->secinfo.WPAenabled)
		   || (priv->secinfo.WPA2enabled)) {
1248 1249
		/* return WPA enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1250
		dwrq->flags |= IW_ENCODE_NOKEY;
1251 1252 1253 1254
	} else {
		dwrq->flags |= IW_ENCODE_DISABLED;
	}

1255
	mutex_unlock(&priv->lock);
1256

1257
	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1258 1259 1260
	       extra[0], extra[1], extra[2],
	       extra[3], extra[4], extra[5], dwrq->length);

1261
	lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1262

1263
	lbs_deb_leave(LBS_DEB_WEXT);
1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276
	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
 */
1277
static int lbs_set_wep_key(struct assoc_request *assoc_req,
1278 1279 1280 1281 1282
			    const char *key_material,
			    u16 key_length,
			    u16 index,
			    int set_tx_key)
{
1283
	int ret = 0;
1284
	struct enc_key *pkey;
1285

1286
	lbs_deb_enter(LBS_DEB_WEXT);
1287 1288 1289

	/* Paranoid validation of key index */
	if (index > 3) {
1290 1291
		ret = -EINVAL;
		goto out;
1292 1293 1294 1295
	}

	/* validate max key length */
	if (key_length > KEY_LEN_WEP_104) {
1296 1297
		ret = -EINVAL;
		goto out;
1298 1299 1300 1301 1302
	}

	pkey = &assoc_req->wep_keys[index];

	if (key_length > 0) {
1303
		memset(pkey, 0, sizeof(struct enc_key));
1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
		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) {
1315 1316 1317
			lbs_deb_wext("key not set, so cannot enable it\n");
			ret = -EINVAL;
			goto out;
1318 1319 1320 1321
		}
		assoc_req->wep_tx_keyidx = index;
	}

1322
	assoc_req->secinfo.wep_enabled = 1;
1323

1324 1325 1326
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
}

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;

1351 1352
	lbs_deb_enter(LBS_DEB_WEXT);

1353
	/* Set Open System auth mode */
1354
	assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1355 1356

	/* Clear WEP keys and mark WEP as disabled */
1357
	assoc_req->secinfo.wep_enabled = 0;
1358 1359 1360 1361 1362
	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);
1363 1364 1365 1366 1367 1368 1369 1370

	lbs_deb_leave(LBS_DEB_WEXT);
}

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

1371
	memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1372 1373 1374
	assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
	set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);

1375
	memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1376 1377 1378 1379 1380 1381 1382 1383
	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);
1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
}

/**
 *  @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
 */
1395
static int lbs_set_encode(struct net_device *dev,
1396 1397 1398 1399
		    struct iw_request_info *info,
		    struct iw_point *dwrq, char *extra)
{
	int ret = 0;
1400
	struct lbs_private *priv = dev->ml_priv;
1401 1402 1403
	struct assoc_request * assoc_req;
	u16 is_default = 0, index = 0, set_tx_key = 0;

1404
	lbs_deb_enter(LBS_DEB_WEXT);
1405

1406 1407
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1408 1409 1410 1411 1412 1413 1414
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->flags & IW_ENCODE_DISABLED) {
		disable_wep (assoc_req);
1415
		disable_wpa (assoc_req);
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429
		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.
	 */
1430
	if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1431 1432
		set_tx_key = 1;

1433
	ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1434 1435 1436 1437 1438 1439 1440 1441 1442
	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) {
1443
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1444
	} else if (dwrq->flags & IW_ENCODE_OPEN) {
1445
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1446 1447 1448 1449 1450
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1451
		lbs_postpone_association_work(priv);
1452
	} else {
1453
		lbs_cancel_association_work(priv);
1454
	}
1455
	mutex_unlock(&priv->lock);
1456

1457
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
	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
 */
1470
static int lbs_get_encodeext(struct net_device *dev,
1471 1472 1473 1474 1475
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = -EINVAL;
1476
	struct lbs_private *priv = dev->ml_priv;
1477 1478 1479
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int index, max_key_len;

1480
	lbs_deb_enter(LBS_DEB_WEXT);
1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491

	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 {
1492
		index = priv->wep_tx_keyidx;
1493 1494
	}

R
Roel Kluin 已提交
1495
	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1496
	    ext->alg != IW_ENCODE_ALG_WEP) {
1497
		if (index != 0 || priv->mode != IW_MODE_INFRA)
1498 1499 1500 1501 1502 1503
			goto out;
	}

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

1504 1505 1506
	if (   !priv->secinfo.wep_enabled
	    && !priv->secinfo.WPAenabled
	    && !priv->secinfo.WPA2enabled) {
1507 1508 1509 1510 1511 1512
		ext->alg = IW_ENCODE_ALG_NONE;
		ext->key_len = 0;
		dwrq->flags |= IW_ENCODE_DISABLED;
	} else {
		u8 *key = NULL;

1513 1514 1515
		if (   priv->secinfo.wep_enabled
		    && !priv->secinfo.WPAenabled
		    && !priv->secinfo.WPA2enabled) {
1516
			/* WEP */
1517
			ext->alg = IW_ENCODE_ALG_WEP;
1518 1519 1520 1521 1522
			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)) {
1523
			/* WPA */
1524
			struct enc_key * pkey = NULL;
1525

1526 1527 1528 1529 1530 1531
			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;
1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544

			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;
			}
1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562
		} 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:
1563
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575
	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
 */
1576
static int lbs_set_encodeext(struct net_device *dev,
1577 1578 1579 1580 1581
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = 0;
1582
	struct lbs_private *priv = dev->ml_priv;
1583 1584 1585 1586
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int alg = ext->alg;
	struct assoc_request * assoc_req;

1587
	lbs_deb_enter(LBS_DEB_WEXT);
1588

1589 1590
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1591 1592 1593 1594 1595 1596 1597
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
		disable_wep (assoc_req);
1598
		disable_wpa (assoc_req);
1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
	} 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.
		 */
1611
		if (   !assoc_req->secinfo.wep_enabled
1612 1613 1614 1615 1616
		    || (dwrq->length == 0 && !is_default)
		    || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
			set_tx_key = 1;

		/* Copy key to driver */
1617
		ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1618 1619 1620 1621 1622
					set_tx_key);
		if (ret)
			goto out;

		if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1623
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1624
		} else if (dwrq->flags & IW_ENCODE_OPEN) {
1625
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1626 1627 1628 1629 1630 1631 1632 1633 1634
		}

		/* 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)) {
1635
		struct enc_key * pkey;
1636 1637 1638 1639 1640 1641

		/* 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))) {
1642
				lbs_deb_wext("invalid size %d for key of alg "
1643
				       "type %d\n",
1644 1645 1646 1647 1648 1649
				       ext->key_len,
				       alg);
				ret = -EINVAL;
				goto out;
		}

1650
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1651
			pkey = &assoc_req->wpa_mcast_key;
1652 1653
			set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
		} else {
1654
			pkey = &assoc_req->wpa_unicast_key;
1655 1656
			set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
		}
1657

1658
		memset(pkey, 0, sizeof (struct enc_key));
1659 1660
		memcpy(pkey->key, ext->key, ext->key_len);
		pkey->len = ext->key_len;
1661 1662
		if (pkey->len)
			pkey->flags |= KEY_INFO_WPA_ENABLED;
1663

1664
		/* Do this after zeroing key structure */
1665 1666 1667 1668 1669 1670
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
			pkey->flags |= KEY_INFO_WPA_MCAST;
		} else {
			pkey->flags |= KEY_INFO_WPA_UNICAST;
		}

1671
		if (alg == IW_ENCODE_ALG_TKIP) {
1672
			pkey->type = KEY_TYPE_ID_TKIP;
1673
		} else if (alg == IW_ENCODE_ALG_CCMP) {
1674
			pkey->type = KEY_TYPE_ID_AES;
1675
		}
1676 1677 1678 1679 1680 1681 1682 1683 1684

		/* 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);
		}

1685 1686 1687
		/* Only disable wep if necessary: can't waste time here. */
		if (priv->mac_control & CMD_ACT_MAC_WEP_ENABLE)
			disable_wep(assoc_req);
1688 1689 1690
	}

out:
1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
	if (ret == 0) {
		/* 802.1x and WPA rekeying must happen as quickly as possible,
		 * especially during the 4-way handshake; thus if in
		 * infrastructure mode, and either (a) 802.1x is enabled or
		 * (b) WPA is being used, set the key right away.
		 */
		if (assoc_req->mode == IW_MODE_INFRA &&
		    ((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
		     (assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
		      assoc_req->secinfo.WPAenabled ||
		      assoc_req->secinfo.WPA2enabled)) {
			lbs_do_association_work(priv);
		} else
			lbs_postpone_association_work(priv);
1705
	} else {
1706
		lbs_cancel_association_work(priv);
1707
	}
1708
	mutex_unlock(&priv->lock);
1709

1710
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1711 1712 1713 1714
	return ret;
}


1715
static int lbs_set_genie(struct net_device *dev,
1716 1717 1718 1719
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1720
	struct lbs_private *priv = dev->ml_priv;
1721 1722 1723
	int ret = 0;
	struct assoc_request * assoc_req;

1724
	lbs_deb_enter(LBS_DEB_WEXT);
1725

1726 1727
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742
	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 {
1743
		memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1744 1745 1746 1747 1748 1749
		assoc_req->wpa_ie_len = 0;
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1750
		lbs_postpone_association_work(priv);
1751
	} else {
1752
		lbs_cancel_association_work(priv);
1753
	}
1754
	mutex_unlock(&priv->lock);
1755

1756
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1757 1758 1759
	return ret;
}

1760
static int lbs_get_genie(struct net_device *dev,
1761 1762 1763 1764
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1765
	int ret = 0;
1766
	struct lbs_private *priv = dev->ml_priv;
1767

1768
	lbs_deb_enter(LBS_DEB_WEXT);
1769

1770
	if (priv->wpa_ie_len == 0) {
1771
		dwrq->length = 0;
1772
		goto out;
1773 1774
	}

1775
	if (dwrq->length < priv->wpa_ie_len) {
1776 1777
		ret = -E2BIG;
		goto out;
1778 1779
	}

1780 1781
	dwrq->length = priv->wpa_ie_len;
	memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1782

1783 1784 1785
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1786 1787 1788
}


1789
static int lbs_set_auth(struct net_device *dev,
1790 1791 1792 1793
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1794
	struct lbs_private *priv = dev->ml_priv;
1795 1796 1797 1798
	struct assoc_request * assoc_req;
	int ret = 0;
	int updated = 0;

1799
	lbs_deb_enter(LBS_DEB_WEXT);
1800

1801 1802
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1803 1804 1805 1806 1807 1808
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	switch (dwrq->flags & IW_AUTH_INDEX) {
1809 1810
	case IW_AUTH_PRIVACY_INVOKED:
	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1811 1812 1813
	case IW_AUTH_TKIP_COUNTERMEASURES:
	case IW_AUTH_CIPHER_PAIRWISE:
	case IW_AUTH_CIPHER_GROUP:
1814
	case IW_AUTH_DROP_UNENCRYPTED:
1815 1816 1817 1818 1819
		/*
		 * libertas does not use these parameters
		 */
		break;

1820 1821 1822 1823 1824
	case IW_AUTH_KEY_MGMT:
		assoc_req->secinfo.key_mgmt = dwrq->value;
		updated = 1;
		break;

1825 1826 1827 1828
	case IW_AUTH_WPA_VERSION:
		if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1829
			disable_wpa (assoc_req);
1830 1831 1832
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
			assoc_req->secinfo.WPAenabled = 1;
1833
			assoc_req->secinfo.wep_enabled = 0;
1834
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1835 1836 1837
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
			assoc_req->secinfo.WPA2enabled = 1;
1838
			assoc_req->secinfo.wep_enabled = 0;
1839
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1840 1841 1842 1843 1844 1845
		}
		updated = 1;
		break;

	case IW_AUTH_80211_AUTH_ALG:
		if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1846
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1847
		} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1848
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1849
		} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1850
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862
		} 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;
1863
				assoc_req->secinfo.wep_enabled = 0;
1864
				assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1865 1866 1867 1868
			}
		} else {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1869
			disable_wpa (assoc_req);
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882
		}
		updated = 1;
		break;

	default:
		ret = -EOPNOTSUPP;
		break;
	}

out:
	if (ret == 0) {
		if (updated)
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1883
		lbs_postpone_association_work(priv);
1884
	} else if (ret != -EOPNOTSUPP) {
1885
		lbs_cancel_association_work(priv);
1886
	}
1887
	mutex_unlock(&priv->lock);
1888

1889
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1890 1891 1892
	return ret;
}

1893
static int lbs_get_auth(struct net_device *dev,
1894 1895 1896 1897
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1898
	int ret = 0;
1899
	struct lbs_private *priv = dev->ml_priv;
1900

1901
	lbs_deb_enter(LBS_DEB_WEXT);
1902 1903

	switch (dwrq->flags & IW_AUTH_INDEX) {
1904 1905 1906 1907
	case IW_AUTH_KEY_MGMT:
		dwrq->value = priv->secinfo.key_mgmt;
		break;

1908 1909
	case IW_AUTH_WPA_VERSION:
		dwrq->value = 0;
1910
		if (priv->secinfo.WPAenabled)
1911
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1912
		if (priv->secinfo.WPA2enabled)
1913 1914 1915 1916 1917 1918
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
		if (!dwrq->value)
			dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
		break;

	case IW_AUTH_80211_AUTH_ALG:
1919
		dwrq->value = priv->secinfo.auth_mode;
1920 1921 1922
		break;

	case IW_AUTH_WPA_ENABLED:
1923
		if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1924 1925 1926 1927
			dwrq->value = 1;
		break;

	default:
1928
		ret = -EOPNOTSUPP;
1929 1930
	}

1931 1932
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1933 1934 1935
}


1936
static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1937 1938 1939
		   struct iw_param *vwrq, char *extra)
{
	int ret = 0;
1940
	struct lbs_private *priv = dev->ml_priv;
1941
	s16 dbm = (s16) vwrq->value;
1942

1943
	lbs_deb_enter(LBS_DEB_WEXT);
1944 1945

	if (vwrq->disabled) {
1946
		lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
1947
		goto out;
1948 1949
	}

1950
	if (vwrq->fixed == 0) {
1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965
		/* User requests automatic tx power control, however there are
		 * many auto tx settings.  For now use firmware defaults until
		 * we come up with a good way to expose these to the user. */
		if (priv->fwrelease < 0x09000000) {
			ret = lbs_set_power_adapt_cfg(priv, 1,
					POW_ADAPT_DEFAULT_P0,
					POW_ADAPT_DEFAULT_P1,
					POW_ADAPT_DEFAULT_P2);
			if (ret)
				goto out;
		}
		ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
				TPC_DEFAULT_P2, 1);
		if (ret)
			goto out;
1966 1967 1968 1969 1970 1971 1972 1973
		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;
		}
1974

1975 1976
		/* Validate requested power level against firmware allowed
		 * levels */
1977 1978 1979 1980
		if (priv->txpower_min && (dbm < priv->txpower_min)) {
			ret = -EINVAL;
			goto out;
		}
1981

1982 1983 1984 1985
		if (priv->txpower_max && (dbm > priv->txpower_max)) {
			ret = -EINVAL;
			goto out;
		}
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
		if (priv->fwrelease < 0x09000000) {
			ret = lbs_set_power_adapt_cfg(priv, 0,
					POW_ADAPT_DEFAULT_P0,
					POW_ADAPT_DEFAULT_P1,
					POW_ADAPT_DEFAULT_P2);
			if (ret)
				goto out;
		}
		ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
				TPC_DEFAULT_P2, 1);
		if (ret)
			goto out;
1998
	}
1999

2000 2001 2002 2003 2004 2005
	/* If the radio was off, turn it on */
	if (!priv->radio_on) {
		ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
		if (ret)
			goto out;
	}
2006

2007
	lbs_deb_wext("txpower set %d dBm\n", dbm);
2008

2009
	ret = lbs_set_tx_power(priv, dbm);
2010

2011
out:
2012
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2013 2014 2015
	return ret;
}

2016
static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
2017 2018
		   struct iw_point *dwrq, char *extra)
{
2019
	struct lbs_private *priv = dev->ml_priv;
2020

2021 2022
	lbs_deb_enter(LBS_DEB_WEXT);

2023 2024 2025 2026 2027 2028 2029 2030
	/*
	 * Note : if dwrq->flags != 0, we should get the relevant SSID from
	 * the SSID list...
	 */

	/*
	 * Get the current SSID
	 */
2031 2032 2033 2034
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(extra, priv->curbssparams.ssid,
		       priv->curbssparams.ssid_len);
		extra[priv->curbssparams.ssid_len] = '\0';
2035 2036
	} else {
		memset(extra, 0, 32);
2037
		extra[priv->curbssparams.ssid_len] = '\0';
2038 2039 2040 2041 2042
	}
	/*
	 * If none, we may want to get the one that was set
	 */

2043
	dwrq->length = priv->curbssparams.ssid_len;
2044 2045 2046

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

2047
	lbs_deb_leave(LBS_DEB_WEXT);
2048 2049 2050
	return 0;
}

2051
static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
2052 2053
		   struct iw_point *dwrq, char *extra)
{
2054
	struct lbs_private *priv = dev->ml_priv;
2055
	int ret = 0;
2056
	u8 ssid[IEEE80211_MAX_SSID_LEN];
2057
	u8 ssid_len = 0;
2058
	struct assoc_request * assoc_req;
2059
	int in_ssid_len = dwrq->length;
2060
	DECLARE_SSID_BUF(ssid_buf);
2061

2062
	lbs_deb_enter(LBS_DEB_WEXT);
2063

2064 2065 2066 2067 2068
	if (!priv->radio_on) {
		ret = -EINVAL;
		goto out;
	}

2069
	/* Check the size of the string */
2070
	if (in_ssid_len > IEEE80211_MAX_SSID_LEN) {
2071 2072 2073 2074
		ret = -E2BIG;
		goto out;
	}

2075
	memset(&ssid, 0, sizeof(ssid));
2076

2077
	if (!dwrq->flags || !in_ssid_len) {
2078 2079 2080
		/* "any" SSID requested; leave SSID blank */
	} else {
		/* Specific SSID requested */
2081 2082
		memcpy(&ssid, extra, in_ssid_len);
		ssid_len = in_ssid_len;
2083 2084
	}

2085 2086 2087 2088
	if (!ssid_len) {
		lbs_deb_wext("requested any SSID\n");
	} else {
		lbs_deb_wext("requested SSID '%s'\n",
2089
		             print_ssid(ssid_buf, ssid, ssid_len));
2090
	}
2091 2092

out:
2093
	mutex_lock(&priv->lock);
2094 2095
	if (ret == 0) {
		/* Get or create the current association request */
2096
		assoc_req = lbs_get_association_request(priv);
2097 2098 2099 2100
		if (!assoc_req) {
			ret = -ENOMEM;
		} else {
			/* Copy the SSID to the association request */
2101
			memcpy(&assoc_req->ssid, &ssid, IEEE80211_MAX_SSID_LEN);
2102
			assoc_req->ssid_len = ssid_len;
2103
			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
2104
			lbs_postpone_association_work(priv);
2105 2106 2107 2108 2109
		}
	}

	/* Cancel the association request if there was an error */
	if (ret != 0) {
2110
		lbs_cancel_association_work(priv);
2111 2112
	}

2113
	mutex_unlock(&priv->lock);
2114

2115
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2116 2117 2118
	return ret;
}

H
Holger Schurig 已提交
2119
#ifdef CONFIG_LIBERTAS_MESH
2120 2121 2122 2123
static int lbs_mesh_get_essid(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_point *dwrq, char *extra)
{
2124
	struct lbs_private *priv = dev->ml_priv;
2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141

	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)
{
2142
	struct lbs_private *priv = dev->ml_priv;
2143 2144 2145 2146
	int ret = 0;

	lbs_deb_enter(LBS_DEB_WEXT);

2147 2148 2149 2150 2151
	if (!priv->radio_on) {
		ret = -EINVAL;
		goto out;
	}

2152
	/* Check the size of the string */
2153
	if (dwrq->length > IEEE80211_MAX_SSID_LEN) {
2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
		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;
	}

2167
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
2168
			priv->channel);
2169 2170 2171 2172
 out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}
H
Holger Schurig 已提交
2173
#endif
2174

2175 2176 2177 2178 2179 2180 2181 2182 2183
/**
 *  @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
 */
2184
static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2185 2186
		 struct sockaddr *awrq, char *extra)
{
2187
	struct lbs_private *priv = dev->ml_priv;
2188 2189 2190
	struct assoc_request * assoc_req;
	int ret = 0;

2191
	lbs_deb_enter(LBS_DEB_WEXT);
2192

2193 2194 2195
	if (!priv->radio_on)
		return -EINVAL;

2196 2197 2198
	if (awrq->sa_family != ARPHRD_ETHER)
		return -EINVAL;

J
Johannes Berg 已提交
2199
	lbs_deb_wext("ASSOC: WAP: sa_data %pM\n", awrq->sa_data);
2200

2201
	mutex_lock(&priv->lock);
2202 2203

	/* Get or create the current association request */
2204
	assoc_req = lbs_get_association_request(priv);
2205
	if (!assoc_req) {
2206
		lbs_cancel_association_work(priv);
2207 2208 2209 2210 2211
		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);
2212
		lbs_postpone_association_work(priv);
2213 2214
	}

2215
	mutex_unlock(&priv->lock);
2216 2217 2218 2219 2220 2221 2222

	return ret;
}

/*
 * iwconfig settable callbacks
 */
2223
static const iw_handler lbs_handler[] = {
2224
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2225
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2226 2227
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2228 2229 2230 2231
	(iw_handler) lbs_set_freq,	/* SIOCSIWFREQ */
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
	(iw_handler) lbs_set_mode,	/* SIOCSIWMODE */
	(iw_handler) lbs_get_mode,	/* SIOCGIWMODE */
2232 2233 2234
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2235
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2236 2237 2238 2239 2240 2241 2242 2243
	(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 */
2244 2245
	(iw_handler) lbs_set_wap,	/* SIOCSIWAP */
	(iw_handler) lbs_get_wap,	/* SIOCGIWAP */
2246 2247
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2248 2249 2250 2251 2252 2253
	(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 */
2254 2255
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269
	(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 */
2270 2271
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2272 2273 2274 2275 2276 2277
	(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 */
2278 2279
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};
H
Holger Schurig 已提交
2280 2281 2282 2283 2284
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,
};
2285

H
Holger Schurig 已提交
2286
#ifdef CONFIG_LIBERTAS_MESH
2287 2288
static const iw_handler mesh_wlan_handler[] = {
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2289
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2290 2291
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2292
	(iw_handler) lbs_mesh_set_freq,	/* SIOCSIWFREQ */
2293
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
2294 2295 2296 2297 2298
	(iw_handler) NULL,		/* SIOCSIWMODE */
	(iw_handler) mesh_wlan_get_mode,	/* SIOCGIWMODE */
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2299
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311
	(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 */
2312 2313
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
2314 2315
	(iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
	(iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2316 2317 2318 2319
	(iw_handler) NULL,		/* SIOCSIWNICKN */
	(iw_handler) mesh_get_nick,	/* SIOCGIWNICKN */
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333
	(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 */
2334 2335
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2336 2337 2338 2339 2340 2341
	(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 */
2342 2343 2344 2345
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};

struct iw_handler_def mesh_handler_def = {
2346
	.num_standard	= ARRAY_SIZE(mesh_wlan_handler),
2347
	.standard	= (iw_handler *) mesh_wlan_handler,
2348
	.get_wireless_stats = lbs_get_wireless_stats,
2349
};
H
Holger Schurig 已提交
2350
#endif