[linux-2.6-block.git] / net / wireless / wext-sme.c

/*
 * cfg80211 wext compat for managed mode.
 *
 * Copyright 2009	Johannes Berg <johannes@sipsolutions.net>
 * 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;
	wdev->wext.connect.privacy = wdev->wext.default_key != -1;

	if (wdev->wext.keys) {
		wdev->wext.keys->def = wdev->wext.default_key;
		wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
	}

	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);
	} else
		data->flags = 0;
	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 if (wdev->wext.connect.bssid)
		memcpy(ap_addr->sa_data, wdev->wext.connect.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 <johannes@sipsolutions.net>
	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;
	29	wdev->wext.connect.privacy = wdev->wext.default_key != -1;
	30
fffd0934 JB	31	if (wdev->wext.keys) {
	32	wdev->wext.keys->def = wdev->wext.default_key;
	33	wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
	34	}
	35
	36	if (!wdev->wext.connect.ssid_len)
	37	return 0;
	38
	39	if (wdev->wext.keys) {
	40	ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
	41	if (!ck)
	42	return -ENOMEM;
	43	for (i = 0; i < 6; i++)
	44	ck->params[i].key = ck->data[i];
	45	}
f401a6f7 JB	46
	47	if (wdev->wext.prev_bssid_valid)
	48	prev_bssid = wdev->wext.prev_bssid;
	49
fffd0934	50	err = __cfg80211_connect(rdev, wdev->netdev,
f401a6f7	51	&wdev->wext.connect, ck, prev_bssid);
fffd0934 JB	52	if (err)
fffd0934 JB	53	kfree(ck);
f2129354 JB	54
	55	return err;
	56	}
	57
	58	int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
	59	struct iw_request_info *info,
59bbb6f7	60	struct iw_freq wextfreq, char extra)
f2129354 JB	61	{
	62	struct wireless_dev *wdev = dev->ieee80211_ptr;
	63	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 JB	64	struct ieee80211_channel *chan = NULL;
59bbb6f7 JB	65	int err, freq;
f2129354 JB	66
	67	/* call only for station! */
	68	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	69	return -EINVAL;
	70
59bbb6f7 JB	71	freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
	72	if (freq < 0)
	73	return freq;
f2129354	74
59bbb6f7 JB	75	if (freq) {
	76	chan = ieee80211_get_channel(wdev->wiphy, freq);
	77	if (!chan)
	78	return -EINVAL;
	79	if (chan->flags & IEEE80211_CHAN_DISABLED)
	80	return -EINVAL;
	81	}
f2129354	82
667503dd	83	cfg80211_lock_rdev(rdev);
59bbb6f7	84	mutex_lock(&rdev->devlist_mtx);
667503dd JB	85	wdev_lock(wdev);
667503dd JB	86
f2129354 JB	87	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	88	bool event = true;
25e83c49 JB	89
	90	if (wdev->wext.connect.channel == chan) {
	91	err = 0;
	92	goto out;
	93	}
	94
f2129354 JB	95	/* if SSID set, we'll try right again, avoid event */
	96	if (wdev->wext.connect.ssid_len)
	97	event = false;
59bbb6f7 JB	98	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	99	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	100	if (err)
667503dd	101	goto out;
f2129354 JB	102	}
f2129354 JB	103
667503dd	104
f2129354 JB	105	wdev->wext.connect.channel = chan;
	106
	107	/* SSID is not set, we just want to switch channel */
59bbb6f7	108	if (chan && !wdev->wext.connect.ssid_len) {
4b181144	109	err = rdev_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
667503dd	110	goto out;
f2129354 JB	111	}
f2129354 JB	112
59bbb6f7	113	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	114	out:
667503dd JB	115	wdev_unlock(wdev);
59bbb6f7	116	mutex_unlock(&rdev->devlist_mtx);
667503dd JB	117	cfg80211_unlock_rdev(rdev);
667503dd JB	118	return err;
f2129354	119	}
f2129354 JB	120
	121	int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
	122	struct iw_request_info *info,
	123	struct iw_freq freq, char extra)
	124	{
	125	struct wireless_dev *wdev = dev->ieee80211_ptr;
	126	struct ieee80211_channel *chan = NULL;
	127
	128	/* call only for station! */
	129	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	130	return -EINVAL;
	131
667503dd	132	wdev_lock(wdev);
f2129354	133	if (wdev->current_bss)
19957bb3	134	chan = wdev->current_bss->pub.channel;
f2129354 JB	135	else if (wdev->wext.connect.channel)
f2129354 JB	136	chan = wdev->wext.connect.channel;
667503dd	137	wdev_unlock(wdev);
f2129354 JB	138
	139	if (chan) {
	140	freq->m = chan->center_freq;
	141	freq->e = 6;
	142	return 0;
	143	}
	144
	145	/* no channel if not joining */
	146	return -EINVAL;
	147	}
f2129354 JB	148
	149	int cfg80211_mgd_wext_siwessid(struct net_device *dev,
	150	struct iw_request_info *info,
	151	struct iw_point data, char ssid)
	152	{
	153	struct wireless_dev *wdev = dev->ieee80211_ptr;
59bbb6f7	154	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
f2129354 JB	155	size_t len = data->length;
	156	int err;
	157
	158	/* call only for station! */
	159	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	160	return -EINVAL;
	161
	162	if (!data->flags)
	163	len = 0;
	164
	165	/* iwconfig uses nul termination in SSID.. */
	166	if (len > 0 && ssid[len - 1] == '\0')
	167	len--;
	168
59bbb6f7 JB	169	cfg80211_lock_rdev(rdev);
59bbb6f7 JB	170	mutex_lock(&rdev->devlist_mtx);
667503dd JB	171	wdev_lock(wdev);
	172
	173	err = 0;
	174
f2129354 JB	175	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	176	bool event = true;
25e83c49 JB	177
	178	if (wdev->wext.connect.ssid && len &&
	179	len == wdev->wext.connect.ssid_len &&
	180	memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
	181	goto out;
	182
f2129354 JB	183	/* if SSID set now, we'll try to connect, avoid event */
	184	if (len)
	185	event = false;
59bbb6f7 JB	186	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	187	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	188	if (err)
667503dd	189	goto out;
f2129354 JB	190	}
f2129354 JB	191
f401a6f7	192	wdev->wext.prev_bssid_valid = false;
f2129354 JB	193	wdev->wext.connect.ssid = wdev->wext.ssid;
	194	memcpy(wdev->wext.ssid, ssid, len);
	195	wdev->wext.connect.ssid_len = len;
	196
	197	wdev->wext.connect.crypto.control_port = false;
	198
59bbb6f7	199	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	200	out:
667503dd JB	201	wdev_unlock(wdev);
59bbb6f7 JB	202	mutex_unlock(&rdev->devlist_mtx);
59bbb6f7 JB	203	cfg80211_unlock_rdev(rdev);
667503dd	204	return err;
f2129354	205	}
f2129354 JB	206
	207	int cfg80211_mgd_wext_giwessid(struct net_device *dev,
	208	struct iw_request_info *info,
	209	struct iw_point data, char ssid)
	210	{
	211	struct wireless_dev *wdev = dev->ieee80211_ptr;
	212
	213	/* call only for station! */
	214	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	215	return -EINVAL;
	216
	217	data->flags = 0;
	218
667503dd	219	wdev_lock(wdev);
a42dd7ef ZY	220	if (wdev->current_bss) {
	221	const u8 *ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
	222	WLAN_EID_SSID);
	223	if (ie) {
	224	data->flags = 1;
	225	data->length = ie[1];
	226	memcpy(ssid, ie + 2, data->length);
	227	}
	228	} else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
f2129354 JB	229	data->flags = 1;
	230	data->length = wdev->wext.connect.ssid_len;
	231	memcpy(ssid, wdev->wext.connect.ssid, data->length);
	232	} else
	233	data->flags = 0;
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 if (wdev->wext.connect.bssid)
	310	memcpy(ap_addr->sa_data, wdev->wext.connect.bssid, ETH_ALEN);
	311	else
	312	memset(ap_addr->sa_data, 0, ETH_ALEN);
667503dd	313	wdev_unlock(wdev);
f2129354 JB	314
	315	return 0;
	316	}
f2129354 JB	317
	318	int cfg80211_wext_siwgenie(struct net_device *dev,
	319	struct iw_request_info *info,
	320	struct iw_point data, char extra)
	321	{
	322	struct wireless_dev *wdev = dev->ieee80211_ptr;
	323	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	324	u8 *ie = extra;
	325	int ie_len = data->length, err;
	326
	327	if (wdev->iftype != NL80211_IFTYPE_STATION)
	328	return -EOPNOTSUPP;
	329
	330	if (!ie_len)
	331	ie = NULL;
	332
667503dd JB	333	wdev_lock(wdev);
667503dd JB	334
f2129354	335	/* no change */
667503dd	336	err = 0;
f2129354 JB	337	if (wdev->wext.ie_len == ie_len &&
f2129354 JB	338	memcmp(wdev->wext.ie, ie, ie_len) == 0)
667503dd	339	goto out;
f2129354 JB	340
	341	if (ie_len) {
	342	ie = kmemdup(extra, ie_len, GFP_KERNEL);
667503dd JB	343	if (!ie) {
	344	err = -ENOMEM;
	345	goto out;
	346	}
f2129354 JB	347	} else
	348	ie = NULL;
	349
	350	kfree(wdev->wext.ie);
	351	wdev->wext.ie = ie;
	352	wdev->wext.ie_len = ie_len;
	353
	354	if (wdev->sme_state != CFG80211_SME_IDLE) {
667503dd JB	355	err = __cfg80211_disconnect(rdev, dev,
667503dd JB	356	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	357	if (err)
667503dd	358	goto out;
f2129354 JB	359	}
	360
	361	/* userspace better not think we'll reconnect */
667503dd JB	362	err = 0;
	363	out:
	364	wdev_unlock(wdev);
	365	return err;
f2129354 JB	366	}
	367	EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);
	368
	369	int cfg80211_wext_siwmlme(struct net_device *dev,
	370	struct iw_request_info *info,
	371	struct iw_point data, char extra)
	372	{
	373	struct wireless_dev *wdev = dev->ieee80211_ptr;
	374	struct iw_mlme mlme = (struct iw_mlme )extra;
	375	struct cfg80211_registered_device *rdev;
667503dd	376	int err;
f2129354 JB	377
	378	if (!wdev)
	379	return -EOPNOTSUPP;
	380
	381	rdev = wiphy_to_dev(wdev->wiphy);
	382
	383	if (wdev->iftype != NL80211_IFTYPE_STATION)
	384	return -EINVAL;
	385
	386	if (mlme->addr.sa_family != ARPHRD_ETHER)
	387	return -EINVAL;
	388
667503dd	389	wdev_lock(wdev);
f2129354 JB	390	switch (mlme->cmd) {
	391	case IW_MLME_DEAUTH:
	392	case IW_MLME_DISASSOC:
667503dd JB	393	err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
	394	true);
	395	break;
f2129354	396	default:
667503dd JB	397	err = -EOPNOTSUPP;
667503dd JB	398	break;
f2129354	399	}
667503dd JB	400	wdev_unlock(wdev);
	401
	402	return err;
f2129354 JB	403	}
f2129354 JB	404	EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);