[net-next-2.6.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 <linux/slab.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 = cfg80211_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;
	wdev->wext.connect.crypto.control_port_ethertype =
					cpu_to_be16(ETH_P_PAE);

	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 <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>
5a0e3ad6	10	#include <linux/slab.h>
f2129354	11	#include <net/cfg80211.h>
0e82ffe3	12	#include "wext-compat.h"
f2129354 JB	13	#include "nl80211.h"
f2129354 JB	14
fffd0934 JB	15	int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
fffd0934 JB	16	struct wireless_dev *wdev)
f2129354	17	{
fffd0934	18	struct cfg80211_cached_keys *ck = NULL;
f401a6f7	19	const u8 *prev_bssid = NULL;
fffd0934	20	int err, i;
f2129354	21
667503dd JB	22	ASSERT_RDEV_LOCK(rdev);
	23	ASSERT_WDEV_LOCK(wdev);
	24
f2129354 JB	25	if (!netif_running(wdev->netdev))
	26	return 0;
	27
	28	wdev->wext.connect.ie = wdev->wext.ie;
	29	wdev->wext.connect.ie_len = wdev->wext.ie_len;
f2129354	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;
4be3bd8c JB	34	if (wdev->wext.default_key != -1)
4be3bd8c JB	35	wdev->wext.connect.privacy = true;
fffd0934 JB	36	}
	37
	38	if (!wdev->wext.connect.ssid_len)
	39	return 0;
	40
	41	if (wdev->wext.keys) {
	42	ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
	43	if (!ck)
	44	return -ENOMEM;
	45	for (i = 0; i < 6; i++)
	46	ck->params[i].key = ck->data[i];
	47	}
f401a6f7 JB	48
	49	if (wdev->wext.prev_bssid_valid)
	50	prev_bssid = wdev->wext.prev_bssid;
	51
fffd0934	52	err = __cfg80211_connect(rdev, wdev->netdev,
f401a6f7	53	&wdev->wext.connect, ck, prev_bssid);
fffd0934 JB	54	if (err)
fffd0934 JB	55	kfree(ck);
f2129354 JB	56
	57	return err;
	58	}
	59
	60	int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
	61	struct iw_request_info *info,
59bbb6f7	62	struct iw_freq wextfreq, char extra)
f2129354 JB	63	{
	64	struct wireless_dev *wdev = dev->ieee80211_ptr;
	65	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
59bbb6f7 JB	66	struct ieee80211_channel *chan = NULL;
59bbb6f7 JB	67	int err, freq;
f2129354 JB	68
	69	/* call only for station! */
	70	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	71	return -EINVAL;
	72
59bbb6f7 JB	73	freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
	74	if (freq < 0)
	75	return freq;
f2129354	76
59bbb6f7 JB	77	if (freq) {
	78	chan = ieee80211_get_channel(wdev->wiphy, freq);
	79	if (!chan)
	80	return -EINVAL;
	81	if (chan->flags & IEEE80211_CHAN_DISABLED)
	82	return -EINVAL;
	83	}
f2129354	84
667503dd	85	cfg80211_lock_rdev(rdev);
59bbb6f7	86	mutex_lock(&rdev->devlist_mtx);
667503dd JB	87	wdev_lock(wdev);
667503dd JB	88
f2129354 JB	89	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	90	bool event = true;
25e83c49 JB	91
	92	if (wdev->wext.connect.channel == chan) {
	93	err = 0;
	94	goto out;
	95	}
	96
f2129354 JB	97	/* if SSID set, we'll try right again, avoid event */
	98	if (wdev->wext.connect.ssid_len)
	99	event = false;
59bbb6f7 JB	100	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	101	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	102	if (err)
667503dd	103	goto out;
f2129354 JB	104	}
f2129354 JB	105
667503dd	106
f2129354 JB	107	wdev->wext.connect.channel = chan;
	108
	109	/* SSID is not set, we just want to switch channel */
59bbb6f7	110	if (chan && !wdev->wext.connect.ssid_len) {
f444de05	111	err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
667503dd	112	goto out;
f2129354 JB	113	}
f2129354 JB	114
59bbb6f7	115	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	116	out:
667503dd JB	117	wdev_unlock(wdev);
59bbb6f7	118	mutex_unlock(&rdev->devlist_mtx);
667503dd JB	119	cfg80211_unlock_rdev(rdev);
667503dd JB	120	return err;
f2129354	121	}
f2129354 JB	122
	123	int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
	124	struct iw_request_info *info,
	125	struct iw_freq freq, char extra)
	126	{
	127	struct wireless_dev *wdev = dev->ieee80211_ptr;
	128	struct ieee80211_channel *chan = NULL;
	129
	130	/* call only for station! */
	131	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	132	return -EINVAL;
	133
667503dd	134	wdev_lock(wdev);
f2129354	135	if (wdev->current_bss)
19957bb3	136	chan = wdev->current_bss->pub.channel;
f2129354 JB	137	else if (wdev->wext.connect.channel)
f2129354 JB	138	chan = wdev->wext.connect.channel;
667503dd	139	wdev_unlock(wdev);
f2129354 JB	140
	141	if (chan) {
	142	freq->m = chan->center_freq;
	143	freq->e = 6;
	144	return 0;
	145	}
	146
	147	/* no channel if not joining */
	148	return -EINVAL;
	149	}
f2129354 JB	150
	151	int cfg80211_mgd_wext_siwessid(struct net_device *dev,
	152	struct iw_request_info *info,
	153	struct iw_point data, char ssid)
	154	{
	155	struct wireless_dev *wdev = dev->ieee80211_ptr;
59bbb6f7	156	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
f2129354 JB	157	size_t len = data->length;
	158	int err;
	159
	160	/* call only for station! */
	161	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	162	return -EINVAL;
	163
	164	if (!data->flags)
	165	len = 0;
	166
	167	/* iwconfig uses nul termination in SSID.. */
	168	if (len > 0 && ssid[len - 1] == '\0')
	169	len--;
	170
59bbb6f7 JB	171	cfg80211_lock_rdev(rdev);
59bbb6f7 JB	172	mutex_lock(&rdev->devlist_mtx);
667503dd JB	173	wdev_lock(wdev);
	174
	175	err = 0;
	176
f2129354 JB	177	if (wdev->sme_state != CFG80211_SME_IDLE) {
f2129354 JB	178	bool event = true;
25e83c49 JB	179
	180	if (wdev->wext.connect.ssid && len &&
	181	len == wdev->wext.connect.ssid_len &&
	182	memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
	183	goto out;
	184
f2129354 JB	185	/* if SSID set now, we'll try to connect, avoid event */
	186	if (len)
	187	event = false;
59bbb6f7 JB	188	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	189	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	190	if (err)
667503dd	191	goto out;
f2129354 JB	192	}
f2129354 JB	193
f401a6f7	194	wdev->wext.prev_bssid_valid = false;
f2129354 JB	195	wdev->wext.connect.ssid = wdev->wext.ssid;
	196	memcpy(wdev->wext.ssid, ssid, len);
	197	wdev->wext.connect.ssid_len = len;
	198
	199	wdev->wext.connect.crypto.control_port = false;
c0692b8f JB	200	wdev->wext.connect.crypto.control_port_ethertype =
c0692b8f JB	201	cpu_to_be16(ETH_P_PAE);
f2129354	202
59bbb6f7	203	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	204	out:
667503dd JB	205	wdev_unlock(wdev);
59bbb6f7 JB	206	mutex_unlock(&rdev->devlist_mtx);
59bbb6f7 JB	207	cfg80211_unlock_rdev(rdev);
667503dd	208	return err;
f2129354	209	}
f2129354 JB	210
	211	int cfg80211_mgd_wext_giwessid(struct net_device *dev,
	212	struct iw_request_info *info,
	213	struct iw_point data, char ssid)
	214	{
	215	struct wireless_dev *wdev = dev->ieee80211_ptr;
	216
	217	/* call only for station! */
	218	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	219	return -EINVAL;
	220
	221	data->flags = 0;
	222
667503dd	223	wdev_lock(wdev);
a42dd7ef ZY	224	if (wdev->current_bss) {
	225	const u8 *ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
	226	WLAN_EID_SSID);
	227	if (ie) {
	228	data->flags = 1;
	229	data->length = ie[1];
	230	memcpy(ssid, ie + 2, data->length);
	231	}
	232	} else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
f2129354 JB	233	data->flags = 1;
	234	data->length = wdev->wext.connect.ssid_len;
	235	memcpy(ssid, wdev->wext.connect.ssid, data->length);
33de4f9d	236	}
667503dd	237	wdev_unlock(wdev);
f2129354 JB	238
	239	return 0;
	240	}
f2129354 JB	241
	242	int cfg80211_mgd_wext_siwap(struct net_device *dev,
	243	struct iw_request_info *info,
	244	struct sockaddr ap_addr, char extra)
	245	{
	246	struct wireless_dev *wdev = dev->ieee80211_ptr;
59bbb6f7	247	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
f2129354 JB	248	u8 *bssid = ap_addr->sa_data;
	249	int err;
	250
	251	/* call only for station! */
	252	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	253	return -EINVAL;
	254
	255	if (ap_addr->sa_family != ARPHRD_ETHER)
	256	return -EINVAL;
	257
	258	/* automatic mode */
	259	if (is_zero_ether_addr(bssid) \|\| is_broadcast_ether_addr(bssid))
	260	bssid = NULL;
	261
59bbb6f7 JB	262	cfg80211_lock_rdev(rdev);
59bbb6f7 JB	263	mutex_lock(&rdev->devlist_mtx);
667503dd JB	264	wdev_lock(wdev);
667503dd JB	265
25e83c49 JB	266	if (wdev->sme_state != CFG80211_SME_IDLE) {
	267	err = 0;
	268	/* both automatic */
	269	if (!bssid && !wdev->wext.connect.bssid)
	270	goto out;
f2129354	271
25e83c49 JB	272	/* fixed already - and no change */
	273	if (wdev->wext.connect.bssid && bssid &&
	274	compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
	275	goto out;
f2129354	276
59bbb6f7 JB	277	err = __cfg80211_disconnect(rdev, dev,
59bbb6f7 JB	278	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	279	if (err)
667503dd	280	goto out;
f2129354 JB	281	}
	282
	283	if (bssid) {
	284	memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
	285	wdev->wext.connect.bssid = wdev->wext.bssid;
	286	} else
	287	wdev->wext.connect.bssid = NULL;
	288
59bbb6f7	289	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	290	out:
667503dd JB	291	wdev_unlock(wdev);
59bbb6f7 JB	292	mutex_unlock(&rdev->devlist_mtx);
59bbb6f7 JB	293	cfg80211_unlock_rdev(rdev);
667503dd	294	return err;
f2129354	295	}
f2129354 JB	296
	297	int cfg80211_mgd_wext_giwap(struct net_device *dev,
	298	struct iw_request_info *info,
	299	struct sockaddr ap_addr, char extra)
	300	{
	301	struct wireless_dev *wdev = dev->ieee80211_ptr;
	302
	303	/* call only for station! */
	304	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	305	return -EINVAL;
	306
	307	ap_addr->sa_family = ARPHRD_ETHER;
	308
667503dd	309	wdev_lock(wdev);
f2129354	310	if (wdev->current_bss)
19957bb3	311	memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
f2129354 JB	312	else
f2129354 JB	313	memset(ap_addr->sa_data, 0, ETH_ALEN);
667503dd	314	wdev_unlock(wdev);
f2129354 JB	315
	316	return 0;
	317	}
f2129354 JB	318
	319	int cfg80211_wext_siwgenie(struct net_device *dev,
	320	struct iw_request_info *info,
	321	struct iw_point data, char extra)
	322	{
	323	struct wireless_dev *wdev = dev->ieee80211_ptr;
	324	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
	325	u8 *ie = extra;
	326	int ie_len = data->length, err;
	327
	328	if (wdev->iftype != NL80211_IFTYPE_STATION)
	329	return -EOPNOTSUPP;
	330
	331	if (!ie_len)
	332	ie = NULL;
	333
667503dd JB	334	wdev_lock(wdev);
667503dd JB	335
f2129354	336	/* no change */
667503dd	337	err = 0;
f2129354 JB	338	if (wdev->wext.ie_len == ie_len &&
f2129354 JB	339	memcmp(wdev->wext.ie, ie, ie_len) == 0)
667503dd	340	goto out;
f2129354 JB	341
	342	if (ie_len) {
	343	ie = kmemdup(extra, ie_len, GFP_KERNEL);
667503dd JB	344	if (!ie) {
	345	err = -ENOMEM;
	346	goto out;
	347	}
f2129354 JB	348	} else
	349	ie = NULL;
	350
	351	kfree(wdev->wext.ie);
	352	wdev->wext.ie = ie;
	353	wdev->wext.ie_len = ie_len;
	354
	355	if (wdev->sme_state != CFG80211_SME_IDLE) {
667503dd JB	356	err = __cfg80211_disconnect(rdev, dev,
667503dd JB	357	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	358	if (err)
667503dd	359	goto out;
f2129354 JB	360	}
	361
	362	/* userspace better not think we'll reconnect */
667503dd JB	363	err = 0;
	364	out:
	365	wdev_unlock(wdev);
	366	return err;
f2129354 JB	367	}
	368	EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);
	369
	370	int cfg80211_wext_siwmlme(struct net_device *dev,
	371	struct iw_request_info *info,
	372	struct iw_point data, char extra)
	373	{
	374	struct wireless_dev *wdev = dev->ieee80211_ptr;
	375	struct iw_mlme mlme = (struct iw_mlme )extra;
	376	struct cfg80211_registered_device *rdev;
667503dd	377	int err;
f2129354 JB	378
	379	if (!wdev)
	380	return -EOPNOTSUPP;
	381
	382	rdev = wiphy_to_dev(wdev->wiphy);
	383
	384	if (wdev->iftype != NL80211_IFTYPE_STATION)
	385	return -EINVAL;
	386
	387	if (mlme->addr.sa_family != ARPHRD_ETHER)
	388	return -EINVAL;
	389
667503dd	390	wdev_lock(wdev);
f2129354 JB	391	switch (mlme->cmd) {
	392	case IW_MLME_DEAUTH:
	393	case IW_MLME_DISASSOC:
667503dd JB	394	err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
	395	true);
	396	break;
f2129354	397	default:
667503dd JB	398	err = -EOPNOTSUPP;
667503dd JB	399	break;
f2129354	400	}
667503dd JB	401	wdev_unlock(wdev);
	402
	403	return err;
f2129354 JB	404	}
f2129354 JB	405	EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);