drivers/net/wireless/iwmc3200wifi/wext.c - kernel/msm-4.9 - Gitiles

 /*
  * Intel Wireless Multicomm 3200 WiFi driver
  *
  * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
  * Samuel Ortiz <samuel.ortiz@intel.com>
  * Zhu Yi <yi.zhu@intel.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
  * 2 as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
  *
  */

 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
 #include <net/cfg80211.h>
 #include <net/iw_handler.h>

 #include "iwm.h"
 #include "umac.h"
 #include "commands.h"
 #include "debug.h"

 static struct iw_statistics *iwm_get_wireless_stats(struct net_device *dev)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 	struct iw_statistics *wstats = &iwm->wstats;

 	if (!test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
 		memset(wstats, 0, sizeof(struct iw_statistics));
 		wstats->qual.updated = IW_QUAL_ALL_INVALID;
 	}

 	return wstats;
 }

 static int iwm_wext_siwfreq(struct net_device *dev,
 			    struct iw_request_info *info,
 			    struct iw_freq *freq, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);

 	if (freq->flags == IW_FREQ_AUTO)
 		return 0;

 	/* frequency/channel can only be set in IBSS mode */
 	if (iwm->conf.mode != UMAC_MODE_IBSS)
 		return -EOPNOTSUPP;

 	return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
 }

 static int iwm_wext_giwfreq(struct net_device *dev,
 			    struct iw_request_info *info,
 			    struct iw_freq *freq, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);

 	if (iwm->conf.mode == UMAC_MODE_IBSS)
 		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);

 	freq->e = 0;
 	freq->m = iwm->channel;

 	return 0;
 }

 static int iwm_wext_siwap(struct net_device *dev, struct iw_request_info *info,
 			  struct sockaddr *ap_addr, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 	int ret;

 	IWM_DBG_WEXT(iwm, DBG, "Set BSSID: %pM\n", ap_addr->sa_data);

 	if (iwm->conf.mode == UMAC_MODE_IBSS)
 		return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);

 	if (!test_bit(IWM_STATUS_READY, &iwm->status))
 		return -EIO;

 	if (is_zero_ether_addr(ap_addr->sa_data) ||
 	    is_broadcast_ether_addr(ap_addr->sa_data)) {
 		IWM_DBG_WEXT(iwm, DBG, "clear mandatory bssid %pM\n",
 			     iwm->umac_profile->bssid[0]);
 		memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN);
 		iwm->umac_profile->bss_num = 0;
 	} else {
 		IWM_DBG_WEXT(iwm, DBG, "add mandatory bssid %pM\n",
 			     ap_addr->sa_data);
 		memcpy(&iwm->umac_profile->bssid[0], ap_addr->sa_data,
 		       ETH_ALEN);
 		iwm->umac_profile->bss_num = 1;
 	}

 	if (iwm->umac_profile_active) {
 		int i;

 		if (!memcmp(&iwm->umac_profile->bssid[0], iwm->bssid, ETH_ALEN))
 			return 0;

 		/*
 		 * If we're clearing the BSSID, and we're associated,
 		 * we have to clear the keys as they're no longer valid.
 		 */
 		if (is_zero_ether_addr(ap_addr->sa_data)) {
 			for (i = 0; i < IWM_NUM_KEYS; i++)
 				iwm->keys[i].key_len = 0;
 		}

 		ret = iwm_invalidate_mlme_profile(iwm);
 		if (ret < 0) {
 			IWM_ERR(iwm, "Couldn't invalidate profile\n");
 			return ret;
 		}
 	}

 	if (iwm->umac_profile->ssid.ssid_len)
 		return iwm_send_mlme_profile(iwm);

 	return 0;
 }

 static int iwm_wext_giwap(struct net_device *dev, struct iw_request_info *info,
 			  struct sockaddr *ap_addr, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);

 	switch (iwm->conf.mode) {
 	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
 	case UMAC_MODE_BSS:
 		if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
 			ap_addr->sa_family = ARPHRD_ETHER;
 			memcpy(&ap_addr->sa_data, iwm->bssid, ETH_ALEN);
 		} else
 			memset(&ap_addr->sa_data, 0, ETH_ALEN);
 		break;
 	default:
 		return -EOPNOTSUPP;
 	}

 	return 0;
 }

 static int iwm_wext_siwessid(struct net_device *dev,
 			     struct iw_request_info *info,
 			     struct iw_point *data, char *ssid)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 	size_t len = data->length;
 	int ret;

 	IWM_DBG_WEXT(iwm, DBG, "Set ESSID: >%s<\n", ssid);

 	if (iwm->conf.mode == UMAC_MODE_IBSS)
 		return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);

 	if (!test_bit(IWM_STATUS_READY, &iwm->status))
 		return -EIO;

 	if (len > 0 && ssid[len - 1] == '\0')
 		len--;

 	if (iwm->umac_profile_active) {
 		if (iwm->umac_profile->ssid.ssid_len == len &&
 		    !memcmp(iwm->umac_profile->ssid.ssid, ssid, len))
 			return 0;

 		ret = iwm_invalidate_mlme_profile(iwm);
 		if (ret < 0) {
 			IWM_ERR(iwm, "Couldn't invalidate profile\n");
 			return ret;
 		}
 	}

 	iwm->umac_profile->ssid.ssid_len = len;
 	memcpy(iwm->umac_profile->ssid.ssid, ssid, len);

 	return iwm_send_mlme_profile(iwm);
 }

 static int iwm_wext_giwessid(struct net_device *dev,
 			     struct iw_request_info *info,
 			     struct iw_point *data, char *ssid)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);

 	if (iwm->conf.mode == UMAC_MODE_IBSS)
 		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);

 	if (!test_bit(IWM_STATUS_READY, &iwm->status))
 		return -EIO;

 	data->length = iwm->umac_profile->ssid.ssid_len;
 	if (data->length) {
 		memcpy(ssid, iwm->umac_profile->ssid.ssid, data->length);
 		data->flags = 1;
 	} else
 		data->flags = 0;

 	return 0;
 }

 static int iwm_wext_giwrate(struct net_device *dev,
 			    struct iw_request_info *info,
 			    struct iw_param *rate, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);

 	rate->value = iwm->rate * 1000000;

 	return 0;
 }

 static int iwm_set_wpa_version(struct iwm_priv *iwm, u8 wpa_version)
 {
 	if (wpa_version & IW_AUTH_WPA_VERSION_WPA2)
 		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
 	else if (wpa_version & IW_AUTH_WPA_VERSION_WPA)
 		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK;
 	else
 		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE;

 	return 0;
 }

 static int iwm_set_key_mgt(struct iwm_priv *iwm, u8 key_mgt)
 {
 	u8 *auth_type = &iwm->umac_profile->sec.auth_type;

 	IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt);

 	if (key_mgt == IW_AUTH_KEY_MGMT_802_1X)
 		*auth_type = UMAC_AUTH_TYPE_8021X;
 	else if (key_mgt == IW_AUTH_KEY_MGMT_PSK) {
 		if (iwm->umac_profile->sec.flags &
 		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK))
 			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
 		else
 			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
 	} else {
 		IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt);
 		return -EINVAL;
 	}

 	return 0;
 }

 static int iwm_set_cipher(struct iwm_priv *iwm, u8 cipher, u8 ucast)
 {
 	u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher :
 		&iwm->umac_profile->sec.mcast_cipher;

 	switch (cipher) {
 	case IW_AUTH_CIPHER_NONE:
 		*profile_cipher = UMAC_CIPHER_TYPE_NONE;
 		break;
 	case IW_AUTH_CIPHER_WEP40:
 		*profile_cipher = UMAC_CIPHER_TYPE_WEP_40;
 		break;
 	case IW_AUTH_CIPHER_TKIP:
 		*profile_cipher = UMAC_CIPHER_TYPE_TKIP;
 		break;
 	case IW_AUTH_CIPHER_CCMP:
 		*profile_cipher = UMAC_CIPHER_TYPE_CCMP;
 		break;
 	case IW_AUTH_CIPHER_WEP104:
 		*profile_cipher = UMAC_CIPHER_TYPE_WEP_104;
 		break;
 	default:
 		IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher);
 		return -ENOTSUPP;
 	}

 	return 0;
 }

 static int iwm_set_auth_alg(struct iwm_priv *iwm, u8 auth_alg)
 {
 	u8 *auth_type = &iwm->umac_profile->sec.auth_type;

 	IWM_DBG_WEXT(iwm, DBG, "auth_alg: 0x%x\n", auth_alg);

 	switch (auth_alg) {
 	case IW_AUTH_ALG_OPEN_SYSTEM:
 		*auth_type = UMAC_AUTH_TYPE_OPEN;
 		break;
 	case IW_AUTH_ALG_SHARED_KEY:
 		if (iwm->umac_profile->sec.flags &
 		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) {
 			if (*auth_type == UMAC_AUTH_TYPE_8021X)
 				return -EINVAL;
 			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
 		} else {
 			IWM_DBG_WEXT(iwm, DBG, "WEP shared key\n");
 			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
 		}
 		break;
 	case IW_AUTH_ALG_LEAP:
 	default:
 		IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", auth_alg);
 		return -ENOTSUPP;
 	}

 	return 0;
 }

 static int iwm_wext_siwauth(struct net_device *dev,
 			    struct iw_request_info *info,
 			    struct iw_param *data, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 	int ret;

 	if ((data->flags) &
 	    (IW_AUTH_WPA_VERSION | IW_AUTH_KEY_MGMT |
 	     IW_AUTH_WPA_ENABLED | IW_AUTH_80211_AUTH_ALG)) {
 		/* We need to invalidate the current profile */
 		if (iwm->umac_profile_active) {
 			ret = iwm_invalidate_mlme_profile(iwm);
 			if (ret < 0) {
 				IWM_ERR(iwm, "Couldn't invalidate profile\n");
 				return ret;
 			}
 		}
 	}

 	switch (data->flags & IW_AUTH_INDEX) {
 	case IW_AUTH_WPA_VERSION:
 		return iwm_set_wpa_version(iwm, data->value);
 		break;
 	case IW_AUTH_CIPHER_PAIRWISE:
 		return iwm_set_cipher(iwm, data->value, 1);
 		break;
 	case IW_AUTH_CIPHER_GROUP:
 		return iwm_set_cipher(iwm, data->value, 0);
 		break;
 	case IW_AUTH_KEY_MGMT:
 		return iwm_set_key_mgt(iwm, data->value);
 		break;
 	case IW_AUTH_80211_AUTH_ALG:
 		return iwm_set_auth_alg(iwm, data->value);
 		break;
 	default:
 		return -ENOTSUPP;
 	}

 	return 0;
 }

 static int iwm_wext_giwauth(struct net_device *dev,
 			    struct iw_request_info *info,
 			    struct iw_param *data, char *extra)
 {
 	return 0;
 }

 static const iw_handler iwm_handlers[] =
 {
 	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
 	(iw_handler) cfg80211_wext_giwname,		/* SIOCGIWNAME */
 	(iw_handler) NULL,				/* SIOCSIWNWID */
 	(iw_handler) NULL,				/* SIOCGIWNWID */
 	(iw_handler) iwm_wext_siwfreq,			/* SIOCSIWFREQ */
 	(iw_handler) iwm_wext_giwfreq,			/* SIOCGIWFREQ */
 	(iw_handler) cfg80211_wext_siwmode,		/* SIOCSIWMODE */
 	(iw_handler) cfg80211_wext_giwmode,		/* SIOCGIWMODE */
 	(iw_handler) NULL,				/* SIOCSIWSENS */
 	(iw_handler) NULL,				/* SIOCGIWSENS */
 	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
 	(iw_handler) cfg80211_wext_giwrange,		/* SIOCGIWRANGE */
 	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
 	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
 	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
 	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
 	(iw_handler) NULL,				/* SIOCSIWSPY */
 	(iw_handler) NULL,				/* SIOCGIWSPY */
 	(iw_handler) NULL,				/* SIOCSIWTHRSPY */
 	(iw_handler) NULL,				/* SIOCGIWTHRSPY */
 	(iw_handler) iwm_wext_siwap,	                /* SIOCSIWAP */
 	(iw_handler) iwm_wext_giwap,			/* SIOCGIWAP */
 	(iw_handler) NULL,			        /* SIOCSIWMLME */
 	(iw_handler) NULL,				/* SIOCGIWAPLIST */
 	(iw_handler) cfg80211_wext_siwscan,		/* SIOCSIWSCAN */
 	(iw_handler) cfg80211_wext_giwscan,		/* SIOCGIWSCAN */
 	(iw_handler) iwm_wext_siwessid,			/* SIOCSIWESSID */
 	(iw_handler) iwm_wext_giwessid,			/* SIOCGIWESSID */
 	(iw_handler) NULL,				/* SIOCSIWNICKN */
 	(iw_handler) NULL,				/* SIOCGIWNICKN */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* SIOCSIWRATE */
 	(iw_handler) iwm_wext_giwrate,			/* SIOCGIWRATE */
 	(iw_handler) cfg80211_wext_siwrts,		/* SIOCSIWRTS */
 	(iw_handler) cfg80211_wext_giwrts,		/* SIOCGIWRTS */
 	(iw_handler) cfg80211_wext_siwfrag,	        /* SIOCSIWFRAG */
 	(iw_handler) cfg80211_wext_giwfrag,		/* SIOCGIWFRAG */
 	(iw_handler) cfg80211_wext_siwtxpower,		/* SIOCSIWTXPOW */
 	(iw_handler) cfg80211_wext_giwtxpower,		/* SIOCGIWTXPOW */
 	(iw_handler) NULL,				/* SIOCSIWRETRY */
 	(iw_handler) NULL,				/* SIOCGIWRETRY */
 	(iw_handler) cfg80211_wext_siwencode,		/* SIOCSIWENCODE */
 	(iw_handler) cfg80211_wext_giwencode,		/* SIOCGIWENCODE */
 	(iw_handler) cfg80211_wext_siwpower,		/* SIOCSIWPOWER */
 	(iw_handler) cfg80211_wext_giwpower,		/* SIOCGIWPOWER */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,                              /* SIOCSIWGENIE */
 	(iw_handler) NULL,				/* SIOCGIWGENIE */
 	(iw_handler) iwm_wext_siwauth,			/* SIOCSIWAUTH */
 	(iw_handler) iwm_wext_giwauth,			/* SIOCGIWAUTH */
 	(iw_handler) cfg80211_wext_siwencodeext,	/* SIOCSIWENCODEEXT */
 	(iw_handler) NULL,				/* SIOCGIWENCODEEXT */
 	(iw_handler) NULL,				/* SIOCSIWPMKSA */
 	(iw_handler) NULL,				/* -- hole -- */
 };

 const struct iw_handler_def iwm_iw_handler_def = {
 	.num_standard	= ARRAY_SIZE(iwm_handlers),
 	.standard	= (iw_handler *) iwm_handlers,
 	.get_wireless_stats = iwm_get_wireless_stats,
 };
	/*
	* Intel Wireless Multicomm 3200 WiFi driver
	*
	* Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com>
	* Samuel Ortiz <samuel.ortiz@intel.com>
	* Zhu Yi <yi.zhu@intel.com>
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License version
	* 2 as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	* 02110-1301, USA.
	*
	*/

	#include <linux/kernel.h>
	#include <linux/netdevice.h>
	#include <linux/wireless.h>
	#include <linux/if_arp.h>
	#include <linux/etherdevice.h>
	#include <net/cfg80211.h>
	#include <net/iw_handler.h>

	#include "iwm.h"
	#include "umac.h"
	#include "commands.h"
	#include "debug.h"

	static struct iw_statistics iwm_get_wireless_stats(struct net_device dev)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);
	struct iw_statistics *wstats = &iwm->wstats;

	if (!test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
	memset(wstats, 0, sizeof(struct iw_statistics));
	wstats->qual.updated = IW_QUAL_ALL_INVALID;
	}

	return wstats;
	}

	static int iwm_wext_siwfreq(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_freq freq, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);

	if (freq->flags == IW_FREQ_AUTO)
	return 0;

	/* frequency/channel can only be set in IBSS mode */
	if (iwm->conf.mode != UMAC_MODE_IBSS)
	return -EOPNOTSUPP;

	return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
	}

	static int iwm_wext_giwfreq(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_freq freq, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);

	if (iwm->conf.mode == UMAC_MODE_IBSS)
	return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);

	freq->e = 0;
	freq->m = iwm->channel;

	return 0;
	}

	static int iwm_wext_siwap(struct net_device dev, struct iw_request_info info,
	struct sockaddr ap_addr, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);
	int ret;

	IWM_DBG_WEXT(iwm, DBG, "Set BSSID: %pM\n", ap_addr->sa_data);

	if (iwm->conf.mode == UMAC_MODE_IBSS)
	return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);

	if (!test_bit(IWM_STATUS_READY, &iwm->status))
	return -EIO;

	if (is_zero_ether_addr(ap_addr->sa_data) \|\|
	is_broadcast_ether_addr(ap_addr->sa_data)) {
	IWM_DBG_WEXT(iwm, DBG, "clear mandatory bssid %pM\n",
	iwm->umac_profile->bssid[0]);
	memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN);
	iwm->umac_profile->bss_num = 0;
	} else {
	IWM_DBG_WEXT(iwm, DBG, "add mandatory bssid %pM\n",
	ap_addr->sa_data);
	memcpy(&iwm->umac_profile->bssid[0], ap_addr->sa_data,
	ETH_ALEN);
	iwm->umac_profile->bss_num = 1;
	}

	if (iwm->umac_profile_active) {
	int i;

	if (!memcmp(&iwm->umac_profile->bssid[0], iwm->bssid, ETH_ALEN))
	return 0;

	/*
	* If we're clearing the BSSID, and we're associated,
	* we have to clear the keys as they're no longer valid.
	*/
	if (is_zero_ether_addr(ap_addr->sa_data)) {
	for (i = 0; i < IWM_NUM_KEYS; i++)
	iwm->keys[i].key_len = 0;
	}

	ret = iwm_invalidate_mlme_profile(iwm);
	if (ret < 0) {
	IWM_ERR(iwm, "Couldn't invalidate profile\n");
	return ret;
	}
	}

	if (iwm->umac_profile->ssid.ssid_len)
	return iwm_send_mlme_profile(iwm);

	return 0;
	}

	static int iwm_wext_giwap(struct net_device dev, struct iw_request_info info,
	struct sockaddr ap_addr, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);

	switch (iwm->conf.mode) {
	case UMAC_MODE_IBSS:
	return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
	case UMAC_MODE_BSS:
	if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
	ap_addr->sa_family = ARPHRD_ETHER;
	memcpy(&ap_addr->sa_data, iwm->bssid, ETH_ALEN);
	} else
	memset(&ap_addr->sa_data, 0, ETH_ALEN);
	break;
	default:
	return -EOPNOTSUPP;
	}

	return 0;
	}

	static int iwm_wext_siwessid(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_point data, char ssid)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);
	size_t len = data->length;
	int ret;

	IWM_DBG_WEXT(iwm, DBG, "Set ESSID: >%s<\n", ssid);

	if (iwm->conf.mode == UMAC_MODE_IBSS)
	return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);

	if (!test_bit(IWM_STATUS_READY, &iwm->status))
	return -EIO;

	if (len > 0 && ssid[len - 1] == '\0')
	len--;

	if (iwm->umac_profile_active) {
	if (iwm->umac_profile->ssid.ssid_len == len &&
	!memcmp(iwm->umac_profile->ssid.ssid, ssid, len))
	return 0;

	ret = iwm_invalidate_mlme_profile(iwm);
	if (ret < 0) {
	IWM_ERR(iwm, "Couldn't invalidate profile\n");
	return ret;
	}
	}

	iwm->umac_profile->ssid.ssid_len = len;
	memcpy(iwm->umac_profile->ssid.ssid, ssid, len);

	return iwm_send_mlme_profile(iwm);
	}

	static int iwm_wext_giwessid(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_point data, char ssid)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);

	if (iwm->conf.mode == UMAC_MODE_IBSS)
	return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);

	if (!test_bit(IWM_STATUS_READY, &iwm->status))
	return -EIO;

	data->length = iwm->umac_profile->ssid.ssid_len;
	if (data->length) {
	memcpy(ssid, iwm->umac_profile->ssid.ssid, data->length);
	data->flags = 1;
	} else
	data->flags = 0;

	return 0;
	}

	static int iwm_wext_giwrate(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_param rate, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);

	rate->value = iwm->rate * 1000000;

	return 0;
	}

	static int iwm_set_wpa_version(struct iwm_priv *iwm, u8 wpa_version)
	{
	if (wpa_version & IW_AUTH_WPA_VERSION_WPA2)
	iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
	else if (wpa_version & IW_AUTH_WPA_VERSION_WPA)
	iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK;
	else
	iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE;

	return 0;
	}

	static int iwm_set_key_mgt(struct iwm_priv *iwm, u8 key_mgt)
	{
	u8 *auth_type = &iwm->umac_profile->sec.auth_type;

	IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt);

	if (key_mgt == IW_AUTH_KEY_MGMT_802_1X)
	*auth_type = UMAC_AUTH_TYPE_8021X;
	else if (key_mgt == IW_AUTH_KEY_MGMT_PSK) {
	if (iwm->umac_profile->sec.flags &
	(UMAC_SEC_FLG_WPA_ON_MSK \| UMAC_SEC_FLG_RSNA_ON_MSK))
	*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
	else
	*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
	} else {
	IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt);
	return -EINVAL;
	}

	return 0;
	}

	static int iwm_set_cipher(struct iwm_priv *iwm, u8 cipher, u8 ucast)
	{
	u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher :
	&iwm->umac_profile->sec.mcast_cipher;

	switch (cipher) {
	case IW_AUTH_CIPHER_NONE:
	*profile_cipher = UMAC_CIPHER_TYPE_NONE;
	break;
	case IW_AUTH_CIPHER_WEP40:
	*profile_cipher = UMAC_CIPHER_TYPE_WEP_40;
	break;
	case IW_AUTH_CIPHER_TKIP:
	*profile_cipher = UMAC_CIPHER_TYPE_TKIP;
	break;
	case IW_AUTH_CIPHER_CCMP:
	*profile_cipher = UMAC_CIPHER_TYPE_CCMP;
	break;
	case IW_AUTH_CIPHER_WEP104:
	*profile_cipher = UMAC_CIPHER_TYPE_WEP_104;
	break;
	default:
	IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher);
	return -ENOTSUPP;
	}

	return 0;
	}

	static int iwm_set_auth_alg(struct iwm_priv *iwm, u8 auth_alg)
	{
	u8 *auth_type = &iwm->umac_profile->sec.auth_type;

	IWM_DBG_WEXT(iwm, DBG, "auth_alg: 0x%x\n", auth_alg);

	switch (auth_alg) {
	case IW_AUTH_ALG_OPEN_SYSTEM:
	*auth_type = UMAC_AUTH_TYPE_OPEN;
	break;
	case IW_AUTH_ALG_SHARED_KEY:
	if (iwm->umac_profile->sec.flags &
	(UMAC_SEC_FLG_WPA_ON_MSK \| UMAC_SEC_FLG_RSNA_ON_MSK)) {
	if (*auth_type == UMAC_AUTH_TYPE_8021X)
	return -EINVAL;
	*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
	} else {
	IWM_DBG_WEXT(iwm, DBG, "WEP shared key\n");
	*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
	}
	break;
	case IW_AUTH_ALG_LEAP:
	default:
	IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", auth_alg);
	return -ENOTSUPP;
	}

	return 0;
	}

	static int iwm_wext_siwauth(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_param data, char extra)
	{
	struct iwm_priv *iwm = ndev_to_iwm(dev);
	int ret;

	if ((data->flags) &
	(IW_AUTH_WPA_VERSION \| IW_AUTH_KEY_MGMT \|
	IW_AUTH_WPA_ENABLED \| IW_AUTH_80211_AUTH_ALG)) {
	/* We need to invalidate the current profile */
	if (iwm->umac_profile_active) {
	ret = iwm_invalidate_mlme_profile(iwm);
	if (ret < 0) {
	IWM_ERR(iwm, "Couldn't invalidate profile\n");
	return ret;
	}
	}
	}

	switch (data->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
	return iwm_set_wpa_version(iwm, data->value);
	break;
	case IW_AUTH_CIPHER_PAIRWISE:
	return iwm_set_cipher(iwm, data->value, 1);
	break;
	case IW_AUTH_CIPHER_GROUP:
	return iwm_set_cipher(iwm, data->value, 0);
	break;
	case IW_AUTH_KEY_MGMT:
	return iwm_set_key_mgt(iwm, data->value);
	break;
	case IW_AUTH_80211_AUTH_ALG:
	return iwm_set_auth_alg(iwm, data->value);
	break;
	default:
	return -ENOTSUPP;
	}

	return 0;
	}

	static int iwm_wext_giwauth(struct net_device *dev,
	struct iw_request_info *info,
	struct iw_param data, char extra)
	{
	return 0;
	}

	static const iw_handler iwm_handlers[] =
	{
	(iw_handler) NULL, /* SIOCSIWCOMMIT */
	(iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
	(iw_handler) NULL, /* SIOCSIWNWID */
	(iw_handler) NULL, /* SIOCGIWNWID */
	(iw_handler) iwm_wext_siwfreq, /* SIOCSIWFREQ */
	(iw_handler) iwm_wext_giwfreq, /* SIOCGIWFREQ */
	(iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
	(iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
	(iw_handler) NULL, /* SIOCSIWSENS */
	(iw_handler) NULL, /* SIOCGIWSENS */
	(iw_handler) NULL /* not used /, / SIOCSIWRANGE */
	(iw_handler) cfg80211_wext_giwrange, /* SIOCGIWRANGE */
	(iw_handler) NULL /* not used /, / SIOCSIWPRIV */
	(iw_handler) NULL /* kernel code /, / SIOCGIWPRIV */
	(iw_handler) NULL /* not used /, / SIOCSIWSTATS */
	(iw_handler) NULL /* kernel code /, / SIOCGIWSTATS */
	(iw_handler) NULL, /* SIOCSIWSPY */
	(iw_handler) NULL, /* SIOCGIWSPY */
	(iw_handler) NULL, /* SIOCSIWTHRSPY */
	(iw_handler) NULL, /* SIOCGIWTHRSPY */
	(iw_handler) iwm_wext_siwap, /* SIOCSIWAP */
	(iw_handler) iwm_wext_giwap, /* SIOCGIWAP */
	(iw_handler) NULL, /* SIOCSIWMLME */
	(iw_handler) NULL, /* SIOCGIWAPLIST */
	(iw_handler) cfg80211_wext_siwscan, /* SIOCSIWSCAN */
	(iw_handler) cfg80211_wext_giwscan, /* SIOCGIWSCAN */
	(iw_handler) iwm_wext_siwessid, /* SIOCSIWESSID */
	(iw_handler) iwm_wext_giwessid, /* SIOCGIWESSID */
	(iw_handler) NULL, /* SIOCSIWNICKN */
	(iw_handler) NULL, /* SIOCGIWNICKN */
	(iw_handler) NULL, /* -- hole -- */
	(iw_handler) NULL, /* -- hole -- */
	(iw_handler) NULL, /* SIOCSIWRATE */
	(iw_handler) iwm_wext_giwrate, /* SIOCGIWRATE */
	(iw_handler) cfg80211_wext_siwrts, /* SIOCSIWRTS */
	(iw_handler) cfg80211_wext_giwrts, /* SIOCGIWRTS */
	(iw_handler) cfg80211_wext_siwfrag, /* SIOCSIWFRAG */
	(iw_handler) cfg80211_wext_giwfrag, /* SIOCGIWFRAG */
	(iw_handler) cfg80211_wext_siwtxpower, /* SIOCSIWTXPOW */
	(iw_handler) cfg80211_wext_giwtxpower, /* SIOCGIWTXPOW */
	(iw_handler) NULL, /* SIOCSIWRETRY */
	(iw_handler) NULL, /* SIOCGIWRETRY */
	(iw_handler) cfg80211_wext_siwencode, /* SIOCSIWENCODE */
	(iw_handler) cfg80211_wext_giwencode, /* SIOCGIWENCODE */
	(iw_handler) cfg80211_wext_siwpower, /* SIOCSIWPOWER */
	(iw_handler) cfg80211_wext_giwpower, /* SIOCGIWPOWER */
	(iw_handler) NULL, /* -- hole -- */
	(iw_handler) NULL, /* -- hole -- */
	(iw_handler) NULL, /* SIOCSIWGENIE */
	(iw_handler) NULL, /* SIOCGIWGENIE */
	(iw_handler) iwm_wext_siwauth, /* SIOCSIWAUTH */
	(iw_handler) iwm_wext_giwauth, /* SIOCGIWAUTH */
	(iw_handler) cfg80211_wext_siwencodeext, /* SIOCSIWENCODEEXT */
	(iw_handler) NULL, /* SIOCGIWENCODEEXT */
	(iw_handler) NULL, /* SIOCSIWPMKSA */
	(iw_handler) NULL, /* -- hole -- */
	};

	const struct iw_handler_def iwm_iw_handler_def = {
	.num_standard = ARRAY_SIZE(iwm_handlers),
	.standard = (iw_handler *) iwm_handlers,
	.get_wireless_stats = iwm_get_wireless_stats,
	};