[linux.git] / net / wireless / wext-sme.c

/*
 * cfg80211 wext compat for managed mode.
 *
 * Copyright 2009	Johannes Berg <[email protected]>
 * Copyright (C) 2009   Intel Corporation. All rights reserved.
 */

#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <net/cfg80211.h>
#include "wext-compat.h"
#include "nl80211.h"

int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
			      struct wireless_dev *wdev)
{
	struct cfg80211_cached_keys *ck = NULL;
	const u8 *prev_bssid = NULL;
	int err, i;

	ASSERT_RDEV_LOCK(rdev);
	ASSERT_WDEV_LOCK(wdev);

	if (!netif_running(wdev->netdev))
		return 0;

	wdev->wext.connect.ie = wdev->wext.ie;
	wdev->wext.connect.ie_len = wdev->wext.ie_len;

	if (wdev->wext.keys) {
		wdev->wext.keys->def = wdev->wext.default_key;
		wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
		if (wdev->wext.default_key != -1)
			wdev->wext.connect.privacy = true;
	}

	if (!wdev->wext.connect.ssid_len)
		return 0;

	if (wdev->wext.keys) {
		ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
		if (!ck)
			return -ENOMEM;
		for (i = 0; i < 6; i++)
			ck->params[i].key = ck->data[i];
	}

	if (wdev->wext.prev_bssid_valid)
		prev_bssid = wdev->wext.prev_bssid;

	err = __cfg80211_connect(rdev, wdev->netdev,
				 &wdev->wext.connect, ck, prev_bssid);
	if (err)
		kfree(ck);

	return err;
}

int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_freq *wextfreq, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	struct ieee80211_channel *chan = NULL;
	int err, freq;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

	freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
	if (freq < 0)
		return freq;

	if (freq) {
		chan = ieee80211_get_channel(wdev->wiphy, freq);
		if (!chan)
			return -EINVAL;
		if (chan->flags & IEEE80211_CHAN_DISABLED)
			return -EINVAL;
	}

	cfg80211_lock_rdev(rdev);
	mutex_lock(&rdev->devlist_mtx);
	wdev_lock(wdev);

	if (wdev->sme_state != CFG80211_SME_IDLE) {
		bool event = true;

		if (wdev->wext.connect.channel == chan) {
			err = 0;
			goto out;
		}

		/* if SSID set, we'll try right again, avoid event */
		if (wdev->wext.connect.ssid_len)
			event = false;
		err = __cfg80211_disconnect(rdev, dev,
					    WLAN_REASON_DEAUTH_LEAVING, event);
		if (err)
			goto out;
	}


	wdev->wext.connect.channel = chan;

	/* SSID is not set, we just want to switch channel */
	if (chan && !wdev->wext.connect.ssid_len) {
		err = rdev_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
		goto out;
	}

	err = cfg80211_mgd_wext_connect(rdev, wdev);
 out:
	wdev_unlock(wdev);
	mutex_unlock(&rdev->devlist_mtx);
	cfg80211_unlock_rdev(rdev);
	return err;
}

int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_freq *freq, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct ieee80211_channel *chan = NULL;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

	wdev_lock(wdev);
	if (wdev->current_bss)
		chan = wdev->current_bss->pub.channel;
	else if (wdev->wext.connect.channel)
		chan = wdev->wext.connect.channel;
	wdev_unlock(wdev);

	if (chan) {
		freq->m = chan->center_freq;
		freq->e = 6;
		return 0;
	}

	/* no channel if not joining */
	return -EINVAL;
}

int cfg80211_mgd_wext_siwessid(struct net_device *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *ssid)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	size_t len = data->length;
	int err;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

	if (!data->flags)
		len = 0;

	/* iwconfig uses nul termination in SSID.. */
	if (len > 0 && ssid[len - 1] == '\0')
		len--;

	cfg80211_lock_rdev(rdev);
	mutex_lock(&rdev->devlist_mtx);
	wdev_lock(wdev);

	err = 0;

	if (wdev->sme_state != CFG80211_SME_IDLE) {
		bool event = true;

		if (wdev->wext.connect.ssid && len &&
		    len == wdev->wext.connect.ssid_len &&
		    memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
			goto out;

		/* if SSID set now, we'll try to connect, avoid event */
		if (len)
			event = false;
		err = __cfg80211_disconnect(rdev, dev,
					    WLAN_REASON_DEAUTH_LEAVING, event);
		if (err)
			goto out;
	}

	wdev->wext.prev_bssid_valid = false;
	wdev->wext.connect.ssid = wdev->wext.ssid;
	memcpy(wdev->wext.ssid, ssid, len);
	wdev->wext.connect.ssid_len = len;

	wdev->wext.connect.crypto.control_port = false;

	err = cfg80211_mgd_wext_connect(rdev, wdev);
 out:
	wdev_unlock(wdev);
	mutex_unlock(&rdev->devlist_mtx);
	cfg80211_unlock_rdev(rdev);
	return err;
}

int cfg80211_mgd_wext_giwessid(struct net_device *dev,
			       struct iw_request_info *info,
			       struct iw_point *data, char *ssid)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

	data->flags = 0;

	wdev_lock(wdev);
	if (wdev->current_bss) {
		const u8 *ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
						    WLAN_EID_SSID);
		if (ie) {
			data->flags = 1;
			data->length = ie[1];
			memcpy(ssid, ie + 2, data->length);
		}
	} else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
		data->flags = 1;
		data->length = wdev->wext.connect.ssid_len;
		memcpy(ssid, wdev->wext.connect.ssid, data->length);
	}
	wdev_unlock(wdev);

	return 0;
}

int cfg80211_mgd_wext_siwap(struct net_device *dev,
			    struct iw_request_info *info,
			    struct sockaddr *ap_addr, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	u8 *bssid = ap_addr->sa_data;
	int err;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

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

	/* automatic mode */
	if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
		bssid = NULL;

	cfg80211_lock_rdev(rdev);
	mutex_lock(&rdev->devlist_mtx);
	wdev_lock(wdev);

	if (wdev->sme_state != CFG80211_SME_IDLE) {
		err = 0;
		/* both automatic */
		if (!bssid && !wdev->wext.connect.bssid)
			goto out;

		/* fixed already - and no change */
		if (wdev->wext.connect.bssid && bssid &&
		    compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
			goto out;

		err = __cfg80211_disconnect(rdev, dev,
					    WLAN_REASON_DEAUTH_LEAVING, false);
		if (err)
			goto out;
	}

	if (bssid) {
		memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
		wdev->wext.connect.bssid = wdev->wext.bssid;
	} else
		wdev->wext.connect.bssid = NULL;

	err = cfg80211_mgd_wext_connect(rdev, wdev);
 out:
	wdev_unlock(wdev);
	mutex_unlock(&rdev->devlist_mtx);
	cfg80211_unlock_rdev(rdev);
	return err;
}

int cfg80211_mgd_wext_giwap(struct net_device *dev,
			    struct iw_request_info *info,
			    struct sockaddr *ap_addr, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;

	/* call only for station! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
		return -EINVAL;

	ap_addr->sa_family = ARPHRD_ETHER;

	wdev_lock(wdev);
	if (wdev->current_bss)
		memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
	else
		memset(ap_addr->sa_data, 0, ETH_ALEN);
	wdev_unlock(wdev);

	return 0;
}

int cfg80211_wext_siwgenie(struct net_device *dev,
			   struct iw_request_info *info,
			   struct iw_point *data, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	u8 *ie = extra;
	int ie_len = data->length, err;

	if (wdev->iftype != NL80211_IFTYPE_STATION)
		return -EOPNOTSUPP;

	if (!ie_len)
		ie = NULL;

	wdev_lock(wdev);

	/* no change */
	err = 0;
	if (wdev->wext.ie_len == ie_len &&
	    memcmp(wdev->wext.ie, ie, ie_len) == 0)
		goto out;

	if (ie_len) {
		ie = kmemdup(extra, ie_len, GFP_KERNEL);
		if (!ie) {
			err = -ENOMEM;
			goto out;
		}
	} else
		ie = NULL;

	kfree(wdev->wext.ie);
	wdev->wext.ie = ie;
	wdev->wext.ie_len = ie_len;

	if (wdev->sme_state != CFG80211_SME_IDLE) {
		err = __cfg80211_disconnect(rdev, dev,
					    WLAN_REASON_DEAUTH_LEAVING, false);
		if (err)
			goto out;
	}

	/* userspace better not think we'll reconnect */
	err = 0;
 out:
	wdev_unlock(wdev);
	return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);

int cfg80211_wext_siwmlme(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *data, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct iw_mlme *mlme = (struct iw_mlme *)extra;
	struct cfg80211_registered_device *rdev;
	int err;

	if (!wdev)
		return -EOPNOTSUPP;

	rdev = wiphy_to_dev(wdev->wiphy);

	if (wdev->iftype != NL80211_IFTYPE_STATION)
		return -EINVAL;

	if (mlme->addr.sa_family != ARPHRD_ETHER)
		return -EINVAL;

	wdev_lock(wdev);
	switch (mlme->cmd) {
	case IW_MLME_DEAUTH:
	case IW_MLME_DISASSOC:
		err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
					    true);
		break;
	default:
		err = -EOPNOTSUPP;
		break;
	}
	wdev_unlock(wdev);

	return err;
}
EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);
Commit	Line	Data
f2129354 JB	1	/*
	2	* cfg80211 wext compat for managed mode.
	3	*
	4	* Copyright 2009 Johannes Berg <[email protected]>
	5	* Copyright (C) 2009 Intel Corporation. All rights reserved.
	6	*/
	7
	8	#include <linux/etherdevice.h>
	9	#include <linux/if_arp.h>
	10	#include <net/cfg80211.h>
0e82ffe3	11	#include "wext-compat.h"
f2129354 JB	12	#include "nl80211.h"
f2129354 JB	13
fffd0934 JB	14	int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
fffd0934 JB	15	struct wireless_dev *wdev)
f2129354	16	{
fffd0934	17	struct cfg80211_cached_keys *ck = NULL;
f401a6f7	18	const u8 *prev_bssid = NULL;
fffd0934	19	int err, i;
f2129354	20
667503dd JB	21	ASSERT_RDEV_LOCK(rdev);
	22	ASSERT_WDEV_LOCK(wdev);
	23
f2129354 JB	24	if (!netif_running(wdev->netdev))
	25	return 0;
	26
	27	wdev->wext.connect.ie = wdev->wext.ie;
	28	wdev->wext.connect.ie_len = wdev->wext.ie_len;
f2129354	29
fffd0934 JB	30	if (wdev->wext.keys) {
	31	wdev->wext.keys->def = wdev->wext.default_key;
	32	wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
4be3bd8c JB	33	if (wdev->wext.default_key != -1)
4be3bd8c JB	34	wdev->wext.connect.privacy = true;
fffd0934 JB	35	}
	36
	37	if (!wdev->wext.connect.ssid_len)
	38	return 0;
	39
	40	if (wdev->wext.keys) {
	41	ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
	42	if (!ck)
	43	return -ENOMEM;
	44	for (i = 0; i < 6; i++)
	45	ck->params[i].key = ck->data[i];
	46	}
f401a6f7 JB	47
	48	if (wdev->wext.prev_bssid_valid)
	49	prev_bssid = wdev->wext.prev_bssid;
	50
fffd0934	51	err = __cfg80211_connect(rdev, wdev->netdev,
f401a6f7	52	&wdev->wext.connect, ck, prev_bssid);
fffd0934 JB	53	if (err)
fffd0934 JB	54	kfree(ck);
f2129354 JB	55
	56	return err;
	57	}
	58
	59	int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
	60	struct iw_request_info *info,
59bbb6f7	61	struct iw_freq wextfreq, char extra)
f2129354 JB	62	{
	63	struct wireless_dev *wdev = dev->ieee80211_ptr;
	64	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 JB	65	struct ieee80211_channel *chan = NULL;
59bbb6f7 JB	66	int err, freq;
f2129354 JB	67
	68	/* call only for station! */
	69	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	70	return -EINVAL;
	71
59bbb6f7 JB	72	freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
	73	if (freq < 0)
	74	return freq;
f2129354	75
59bbb6f7 JB	76	if (freq) {
	77	chan = ieee80211_get_channel(wdev->wiphy, freq);
	78	if (!chan)
	79	return -EINVAL;
	80	if (chan->flags & IEEE80211_CHAN_DISABLED)
	81	return -EINVAL;
	82	}
f2129354	83
667503dd	84	cfg80211_lock_rdev(rdev);
59bbb6f7	85	mutex_lock(&rdev->devlist_mtx);
667503dd JB	86	wdev_lock(wdev);
667503dd JB	87
f2129354 JB	88	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	89	bool event = true;
25e83c49 JB	90
	91	if (wdev->wext.connect.channel == chan) {
	92	err = 0;
	93	goto out;
	94	}
	95
f2129354 JB	96	/* if SSID set, we'll try right again, avoid event */
	97	if (wdev->wext.connect.ssid_len)
	98	event = false;
59bbb6f7 JB	99	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	100	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	101	if (err)
667503dd	102	goto out;
f2129354 JB	103	}
f2129354 JB	104
667503dd	105
f2129354 JB	106	wdev->wext.connect.channel = chan;
	107
	108	/* SSID is not set, we just want to switch channel */
59bbb6f7	109	if (chan && !wdev->wext.connect.ssid_len) {
4b181144	110	err = rdev_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
667503dd	111	goto out;
f2129354 JB	112	}
f2129354 JB	113
59bbb6f7	114	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	115	out:
667503dd JB	116	wdev_unlock(wdev);
59bbb6f7	117	mutex_unlock(&rdev->devlist_mtx);
667503dd JB	118	cfg80211_unlock_rdev(rdev);
667503dd JB	119	return err;
f2129354	120	}
f2129354 JB	121
	122	int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
	123	struct iw_request_info *info,
	124	struct iw_freq freq, char extra)
	125	{
	126	struct wireless_dev *wdev = dev->ieee80211_ptr;
	127	struct ieee80211_channel *chan = NULL;
	128
	129	/* call only for station! */
	130	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	131	return -EINVAL;
	132
667503dd	133	wdev_lock(wdev);
f2129354	134	if (wdev->current_bss)
19957bb3	135	chan = wdev->current_bss->pub.channel;
f2129354 JB	136	else if (wdev->wext.connect.channel)
f2129354 JB	137	chan = wdev->wext.connect.channel;
667503dd	138	wdev_unlock(wdev);
f2129354 JB	139
	140	if (chan) {
	141	freq->m = chan->center_freq;
	142	freq->e = 6;
	143	return 0;
	144	}
	145
	146	/* no channel if not joining */
	147	return -EINVAL;
	148	}
f2129354 JB	149
	150	int cfg80211_mgd_wext_siwessid(struct net_device *dev,
	151	struct iw_request_info *info,
	152	struct iw_point data, char ssid)
	153	{
	154	struct wireless_dev *wdev = dev->ieee80211_ptr;
59bbb6f7	155	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
f2129354 JB	156	size_t len = data->length;
	157	int err;
	158
	159	/* call only for station! */
	160	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	161	return -EINVAL;
	162
	163	if (!data->flags)
	164	len = 0;
	165
	166	/* iwconfig uses nul termination in SSID.. */
	167	if (len > 0 && ssid[len - 1] == '\0')
	168	len--;
	169
59bbb6f7 JB	170	cfg80211_lock_rdev(rdev);
59bbb6f7 JB	171	mutex_lock(&rdev->devlist_mtx);
667503dd JB	172	wdev_lock(wdev);
	173
	174	err = 0;
	175
f2129354 JB	176	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	177	bool event = true;
25e83c49 JB	178
	179	if (wdev->wext.connect.ssid && len &&
	180	len == wdev->wext.connect.ssid_len &&
	181	memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
	182	goto out;
	183
f2129354 JB	184	/* if SSID set now, we'll try to connect, avoid event */
	185	if (len)
	186	event = false;
59bbb6f7 JB	187	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	188	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	189	if (err)
667503dd	190	goto out;
f2129354 JB	191	}
f2129354 JB	192
f401a6f7	193	wdev->wext.prev_bssid_valid = false;
f2129354 JB	194	wdev->wext.connect.ssid = wdev->wext.ssid;
	195	memcpy(wdev->wext.ssid, ssid, len);
	196	wdev->wext.connect.ssid_len = len;
	197
	198	wdev->wext.connect.crypto.control_port = false;
	199
59bbb6f7	200	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	201	out:
667503dd JB	202	wdev_unlock(wdev);
59bbb6f7 JB	203	mutex_unlock(&rdev->devlist_mtx);
59bbb6f7 JB	204	cfg80211_unlock_rdev(rdev);
667503dd	205	return err;
f2129354	206	}
f2129354 JB	207
	208	int cfg80211_mgd_wext_giwessid(struct net_device *dev,
	209	struct iw_request_info *info,
	210	struct iw_point data, char ssid)
	211	{
	212	struct wireless_dev *wdev = dev->ieee80211_ptr;
	213
	214	/* call only for station! */
	215	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	216	return -EINVAL;
	217
	218	data->flags = 0;
	219
667503dd	220	wdev_lock(wdev);
a42dd7ef ZY	221	if (wdev->current_bss) {
	222	const u8 *ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
	223	WLAN_EID_SSID);
	224	if (ie) {
	225	data->flags = 1;
	226	data->length = ie[1];
	227	memcpy(ssid, ie + 2, data->length);
	228	}
	229	} else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
f2129354 JB	230	data->flags = 1;
	231	data->length = wdev->wext.connect.ssid_len;
	232	memcpy(ssid, wdev->wext.connect.ssid, data->length);
33de4f9d	233	}
667503dd	234	wdev_unlock(wdev);
f2129354 JB	235
	236	return 0;
	237	}
f2129354 JB	238
	239	int cfg80211_mgd_wext_siwap(struct net_device *dev,
	240	struct iw_request_info *info,
	241	struct sockaddr ap_addr, char extra)
	242	{
	243	struct wireless_dev *wdev = dev->ieee80211_ptr;
59bbb6f7	244	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
f2129354 JB	245	u8 *bssid = ap_addr->sa_data;
	246	int err;
	247
	248	/* call only for station! */
	249	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	250	return -EINVAL;
	251
	252	if (ap_addr->sa_family != ARPHRD_ETHER)
	253	return -EINVAL;
	254
	255	/* automatic mode */
	256	if (is_zero_ether_addr(bssid) \|\| is_broadcast_ether_addr(bssid))
	257	bssid = NULL;
	258
59bbb6f7 JB	259	cfg80211_lock_rdev(rdev);
59bbb6f7 JB	260	mutex_lock(&rdev->devlist_mtx);
667503dd JB	261	wdev_lock(wdev);
667503dd JB	262
25e83c49 JB	263	if (wdev->sme_state != CFG80211_SME_IDLE) {
	264	err = 0;
	265	/* both automatic */
	266	if (!bssid && !wdev->wext.connect.bssid)
	267	goto out;
f2129354	268
25e83c49 JB	269	/* fixed already - and no change */
	270	if (wdev->wext.connect.bssid && bssid &&
	271	compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
	272	goto out;
f2129354	273
59bbb6f7 JB	274	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	275	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	276	if (err)
667503dd	277	goto out;
f2129354 JB	278	}
	279
	280	if (bssid) {
	281	memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
	282	wdev->wext.connect.bssid = wdev->wext.bssid;
	283	} else
	284	wdev->wext.connect.bssid = NULL;
	285
59bbb6f7	286	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	287	out:
667503dd JB	288	wdev_unlock(wdev);
59bbb6f7 JB	289	mutex_unlock(&rdev->devlist_mtx);
59bbb6f7 JB	290	cfg80211_unlock_rdev(rdev);
667503dd	291	return err;
f2129354	292	}
f2129354 JB	293
	294	int cfg80211_mgd_wext_giwap(struct net_device *dev,
	295	struct iw_request_info *info,
	296	struct sockaddr ap_addr, char extra)
	297	{
	298	struct wireless_dev *wdev = dev->ieee80211_ptr;
	299
	300	/* call only for station! */
	301	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	302	return -EINVAL;
	303
	304	ap_addr->sa_family = ARPHRD_ETHER;
	305
667503dd	306	wdev_lock(wdev);
f2129354	307	if (wdev->current_bss)
19957bb3	308	memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
f2129354 JB	309	else
f2129354 JB	310	memset(ap_addr->sa_data, 0, ETH_ALEN);
667503dd	311	wdev_unlock(wdev);
f2129354 JB	312
	313	return 0;
	314	}
f2129354 JB	315
	316	int cfg80211_wext_siwgenie(struct net_device *dev,
	317	struct iw_request_info *info,
	318	struct iw_point data, char extra)
	319	{
	320	struct wireless_dev *wdev = dev->ieee80211_ptr;
	321	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	322	u8 *ie = extra;
	323	int ie_len = data->length, err;
	324
	325	if (wdev->iftype != NL80211_IFTYPE_STATION)
	326	return -EOPNOTSUPP;
	327
	328	if (!ie_len)
	329	ie = NULL;
	330
667503dd JB	331	wdev_lock(wdev);
667503dd JB	332
f2129354	333	/* no change */
667503dd	334	err = 0;
f2129354 JB	335	if (wdev->wext.ie_len == ie_len &&
f2129354 JB	336	memcmp(wdev->wext.ie, ie, ie_len) == 0)
667503dd	337	goto out;
f2129354 JB	338
	339	if (ie_len) {
	340	ie = kmemdup(extra, ie_len, GFP_KERNEL);
667503dd JB	341	if (!ie) {
	342	err = -ENOMEM;
	343	goto out;
	344	}
f2129354 JB	345	} else
	346	ie = NULL;
	347
	348	kfree(wdev->wext.ie);
	349	wdev->wext.ie = ie;
	350	wdev->wext.ie_len = ie_len;
	351
	352	if (wdev->sme_state != CFG80211_SME_IDLE) {
667503dd JB	353	err = __cfg80211_disconnect(rdev, dev,
667503dd JB	354	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	355	if (err)
667503dd	356	goto out;
f2129354 JB	357	}
	358
	359	/* userspace better not think we'll reconnect */
667503dd JB	360	err = 0;
	361	out:
	362	wdev_unlock(wdev);
	363	return err;
f2129354 JB	364	}
	365	EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);
	366
	367	int cfg80211_wext_siwmlme(struct net_device *dev,
	368	struct iw_request_info *info,
	369	struct iw_point data, char extra)
	370	{
	371	struct wireless_dev *wdev = dev->ieee80211_ptr;
	372	struct iw_mlme mlme = (struct iw_mlme )extra;
	373	struct cfg80211_registered_device *rdev;
667503dd	374	int err;
f2129354 JB	375
	376	if (!wdev)
	377	return -EOPNOTSUPP;
	378
	379	rdev = wiphy_to_dev(wdev->wiphy);
	380
	381	if (wdev->iftype != NL80211_IFTYPE_STATION)
	382	return -EINVAL;
	383
	384	if (mlme->addr.sa_family != ARPHRD_ETHER)
	385	return -EINVAL;
	386
667503dd	387	wdev_lock(wdev);
f2129354 JB	388	switch (mlme->cmd) {
	389	case IW_MLME_DEAUTH:
	390	case IW_MLME_DISASSOC:
667503dd JB	391	err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
	392	true);
	393	break;
f2129354	394	default:
667503dd JB	395	err = -EOPNOTSUPP;
667503dd JB	396	break;
f2129354	397	}
667503dd JB	398	wdev_unlock(wdev);
	399
	400	return err;
f2129354 JB	401	}
f2129354 JB	402	EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);