[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/export.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/slab.h>
#include <net/cfg80211.h>
#include <net/cfg80211-wext.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_RTNL();
	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;

	/* Use default background scan period */
	wdev->wext.connect.bg_scan_period = -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.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)
		kzfree(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_rdev(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(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;
	}

	wdev_lock(wdev);

	if (wdev->conn) {
		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 monitor channel,
	 * this is really just backward compatibility, if the SSID
	 * is set then we use the channel to select the BSS to use
	 * to connect to instead. If we were connected on another
	 * channel we disconnected above and reconnect below.
	 */
	if (chan && !wdev->wext.connect.ssid_len) {
		struct cfg80211_chan_def chandef = {
			.width = NL80211_CHAN_WIDTH_20_NOHT,
			.center_freq1 = freq,
		};

		chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
		if (chandef.chan)
			err = cfg80211_set_monitor_channel(rdev, &chandef);
		else
			err = -EINVAL;
		goto out;
	}

	err = cfg80211_mgd_wext_connect(rdev, wdev);
 out:
	wdev_unlock(wdev);
	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_rdev(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--;

	wdev_lock(wdev);

	err = 0;

	if (wdev->conn) {
		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);
	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;

		rcu_read_lock();
		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);
		}
		rcu_read_unlock();
	} 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_rdev(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;

	wdev_lock(wdev);

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

		/* fixed already - and no change */
		if (wdev->wext.connect.bssid && bssid &&
		    ether_addr_equal(bssid, wdev->wext.connect.bssid))
			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);
	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
		eth_zero_addr(ap_addr->sa_data);
	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_rdev(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->conn) {
		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;
}

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_rdev(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;
}
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
bc3b2d7f	8	#include <linux/export.h>
f2129354 JB	9	#include <linux/etherdevice.h>
f2129354 JB	10	#include <linux/if_arp.h>
5a0e3ad6	11	#include <linux/slab.h>
f2129354	12	#include <net/cfg80211.h>
262eb9b2	13	#include <net/cfg80211-wext.h>
0e82ffe3	14	#include "wext-compat.h"
f2129354 JB	15	#include "nl80211.h"
f2129354 JB	16
fffd0934 JB	17	int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
fffd0934 JB	18	struct wireless_dev *wdev)
f2129354	19	{
fffd0934	20	struct cfg80211_cached_keys *ck = NULL;
f401a6f7	21	const u8 *prev_bssid = NULL;
fffd0934	22	int err, i;
f2129354	23
73fb08e2	24	ASSERT_RTNL();
667503dd JB	25	ASSERT_WDEV_LOCK(wdev);
667503dd JB	26
f2129354 JB	27	if (!netif_running(wdev->netdev))
	28	return 0;
	29
	30	wdev->wext.connect.ie = wdev->wext.ie;
	31	wdev->wext.connect.ie_len = wdev->wext.ie_len;
f2129354	32
4486ea98 BS	33	/* Use default background scan period */
	34	wdev->wext.connect.bg_scan_period = -1;
	35
fffd0934 JB	36	if (wdev->wext.keys) {
	37	wdev->wext.keys->def = wdev->wext.default_key;
	38	wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
4be3bd8c JB	39	if (wdev->wext.default_key != -1)
4be3bd8c JB	40	wdev->wext.connect.privacy = true;
fffd0934 JB	41	}
	42
	43	if (!wdev->wext.connect.ssid_len)
	44	return 0;
	45
	46	if (wdev->wext.keys) {
	47	ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
	48	if (!ck)
	49	return -ENOMEM;
	50	for (i = 0; i < 6; i++)
	51	ck->params[i].key = ck->data[i];
	52	}
f401a6f7 JB	53
	54	if (wdev->wext.prev_bssid_valid)
	55	prev_bssid = wdev->wext.prev_bssid;
	56
83739b03 JB	57	err = cfg80211_connect(rdev, wdev->netdev,
83739b03 JB	58	&wdev->wext.connect, ck, prev_bssid);
fffd0934	59	if (err)
b47f610b	60	kzfree(ck);
f2129354 JB	61
	62	return err;
	63	}
	64
	65	int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
	66	struct iw_request_info *info,
59bbb6f7	67	struct iw_freq wextfreq, char extra)
f2129354 JB	68	{
f2129354 JB	69	struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40	70	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
59bbb6f7 JB	71	struct ieee80211_channel *chan = NULL;
59bbb6f7 JB	72	int err, freq;
f2129354 JB	73
	74	/* call only for station! */
	75	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	76	return -EINVAL;
	77
96998e3a	78	freq = cfg80211_wext_freq(wextfreq);
59bbb6f7 JB	79	if (freq < 0)
59bbb6f7 JB	80	return freq;
f2129354	81
59bbb6f7 JB	82	if (freq) {
	83	chan = ieee80211_get_channel(wdev->wiphy, freq);
	84	if (!chan)
	85	return -EINVAL;
	86	if (chan->flags & IEEE80211_CHAN_DISABLED)
	87	return -EINVAL;
	88	}
f2129354	89
667503dd JB	90	wdev_lock(wdev);
667503dd JB	91
ceca7b71	92	if (wdev->conn) {
f2129354	93	bool event = true;
25e83c49 JB	94
	95	if (wdev->wext.connect.channel == chan) {
	96	err = 0;
	97	goto out;
	98	}
	99
f2129354 JB	100	/* if SSID set, we'll try right again, avoid event */
	101	if (wdev->wext.connect.ssid_len)
	102	event = false;
83739b03 JB	103	err = cfg80211_disconnect(rdev, dev,
83739b03 JB	104	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	105	if (err)
667503dd	106	goto out;
f2129354 JB	107	}
f2129354 JB	108
667503dd	109
f2129354 JB	110	wdev->wext.connect.channel = chan;
f2129354 JB	111
e8c9bd5b JB	112	/*
	113	* SSID is not set, we just want to switch monitor channel,
	114	* this is really just backward compatibility, if the SSID
	115	* is set then we use the channel to select the BSS to use
	116	* to connect to instead. If we were connected on another
	117	* channel we disconnected above and reconnect below.
	118	*/
59bbb6f7	119	if (chan && !wdev->wext.connect.ssid_len) {
683b6d3b	120	struct cfg80211_chan_def chandef = {
3d9d1d66 JB	121	.width = NL80211_CHAN_WIDTH_20_NOHT,
3d9d1d66 JB	122	.center_freq1 = freq,
683b6d3b JB	123	};
	124
	125	chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
	126	if (chandef.chan)
	127	err = cfg80211_set_monitor_channel(rdev, &chandef);
	128	else
	129	err = -EINVAL;
667503dd	130	goto out;
f2129354 JB	131	}
f2129354 JB	132
59bbb6f7	133	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	134	out:
667503dd JB	135	wdev_unlock(wdev);
667503dd	136	return err;
f2129354	137	}
f2129354 JB	138
	139	int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
	140	struct iw_request_info *info,
	141	struct iw_freq freq, char extra)
	142	{
	143	struct wireless_dev *wdev = dev->ieee80211_ptr;
	144	struct ieee80211_channel *chan = NULL;
	145
	146	/* call only for station! */
	147	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	148	return -EINVAL;
	149
667503dd	150	wdev_lock(wdev);
f2129354	151	if (wdev->current_bss)
19957bb3	152	chan = wdev->current_bss->pub.channel;
f2129354 JB	153	else if (wdev->wext.connect.channel)
f2129354 JB	154	chan = wdev->wext.connect.channel;
667503dd	155	wdev_unlock(wdev);
f2129354 JB	156
	157	if (chan) {
	158	freq->m = chan->center_freq;
	159	freq->e = 6;
	160	return 0;
	161	}
	162
	163	/* no channel if not joining */
	164	return -EINVAL;
	165	}
f2129354 JB	166
	167	int cfg80211_mgd_wext_siwessid(struct net_device *dev,
	168	struct iw_request_info *info,
	169	struct iw_point data, char ssid)
	170	{
	171	struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40	172	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
f2129354 JB	173	size_t len = data->length;
	174	int err;
	175
	176	/* call only for station! */
	177	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	178	return -EINVAL;
	179
	180	if (!data->flags)
	181	len = 0;
	182
	183	/* iwconfig uses nul termination in SSID.. */
	184	if (len > 0 && ssid[len - 1] == '\0')
	185	len--;
	186
667503dd JB	187	wdev_lock(wdev);
	188
	189	err = 0;
	190
ceca7b71	191	if (wdev->conn) {
f2129354	192	bool event = true;
25e83c49 JB	193
	194	if (wdev->wext.connect.ssid && len &&
	195	len == wdev->wext.connect.ssid_len &&
	196	memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
	197	goto out;
	198
f2129354 JB	199	/* if SSID set now, we'll try to connect, avoid event */
	200	if (len)
	201	event = false;
83739b03 JB	202	err = cfg80211_disconnect(rdev, dev,
83739b03 JB	203	WLAN_REASON_DEAUTH_LEAVING, event);
f2129354	204	if (err)
667503dd	205	goto out;
f2129354 JB	206	}
f2129354 JB	207
f401a6f7	208	wdev->wext.prev_bssid_valid = false;
f2129354 JB	209	wdev->wext.connect.ssid = wdev->wext.ssid;
	210	memcpy(wdev->wext.ssid, ssid, len);
	211	wdev->wext.connect.ssid_len = len;
	212
	213	wdev->wext.connect.crypto.control_port = false;
c0692b8f JB	214	wdev->wext.connect.crypto.control_port_ethertype =
c0692b8f JB	215	cpu_to_be16(ETH_P_PAE);
f2129354	216
59bbb6f7	217	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	218	out:
667503dd JB	219	wdev_unlock(wdev);
667503dd	220	return err;
f2129354	221	}
f2129354 JB	222
	223	int cfg80211_mgd_wext_giwessid(struct net_device *dev,
	224	struct iw_request_info *info,
	225	struct iw_point data, char ssid)
	226	{
	227	struct wireless_dev *wdev = dev->ieee80211_ptr;
	228
	229	/* call only for station! */
	230	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	231	return -EINVAL;
	232
	233	data->flags = 0;
	234
667503dd	235	wdev_lock(wdev);
a42dd7ef	236	if (wdev->current_bss) {
9caf0364 JB	237	const u8 *ie;
	238
	239	rcu_read_lock();
	240	ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
	241	WLAN_EID_SSID);
a42dd7ef ZY	242	if (ie) {
	243	data->flags = 1;
	244	data->length = ie[1];
	245	memcpy(ssid, ie + 2, data->length);
	246	}
9caf0364	247	rcu_read_unlock();
a42dd7ef	248	} else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
f2129354 JB	249	data->flags = 1;
	250	data->length = wdev->wext.connect.ssid_len;
	251	memcpy(ssid, wdev->wext.connect.ssid, data->length);
33de4f9d	252	}
667503dd	253	wdev_unlock(wdev);
f2129354 JB	254
	255	return 0;
	256	}
f2129354 JB	257
	258	int cfg80211_mgd_wext_siwap(struct net_device *dev,
	259	struct iw_request_info *info,
	260	struct sockaddr ap_addr, char extra)
	261	{
	262	struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40	263	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
f2129354 JB	264	u8 *bssid = ap_addr->sa_data;
	265	int err;
	266
	267	/* call only for station! */
	268	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	269	return -EINVAL;
	270
	271	if (ap_addr->sa_family != ARPHRD_ETHER)
	272	return -EINVAL;
	273
	274	/* automatic mode */
	275	if (is_zero_ether_addr(bssid) \|\| is_broadcast_ether_addr(bssid))
	276	bssid = NULL;
	277
667503dd JB	278	wdev_lock(wdev);
667503dd JB	279
ceca7b71	280	if (wdev->conn) {
25e83c49 JB	281	err = 0;
	282	/* both automatic */
	283	if (!bssid && !wdev->wext.connect.bssid)
	284	goto out;
f2129354	285
25e83c49 JB	286	/* fixed already - and no change */
25e83c49 JB	287	if (wdev->wext.connect.bssid && bssid &&
ac422d3c	288	ether_addr_equal(bssid, wdev->wext.connect.bssid))
25e83c49	289	goto out;
f2129354	290
83739b03 JB	291	err = cfg80211_disconnect(rdev, dev,
83739b03 JB	292	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	293	if (err)
667503dd	294	goto out;
f2129354 JB	295	}
	296
	297	if (bssid) {
	298	memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
	299	wdev->wext.connect.bssid = wdev->wext.bssid;
	300	} else
	301	wdev->wext.connect.bssid = NULL;
	302
59bbb6f7	303	err = cfg80211_mgd_wext_connect(rdev, wdev);
667503dd JB	304	out:
667503dd JB	305	wdev_unlock(wdev);
667503dd	306	return err;
f2129354	307	}
f2129354 JB	308
	309	int cfg80211_mgd_wext_giwap(struct net_device *dev,
	310	struct iw_request_info *info,
	311	struct sockaddr ap_addr, char extra)
	312	{
	313	struct wireless_dev *wdev = dev->ieee80211_ptr;
	314
	315	/* call only for station! */
	316	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
	317	return -EINVAL;
	318
	319	ap_addr->sa_family = ARPHRD_ETHER;
	320
667503dd	321	wdev_lock(wdev);
f2129354	322	if (wdev->current_bss)
19957bb3	323	memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
f2129354	324	else
d2beae10	325	eth_zero_addr(ap_addr->sa_data);
667503dd	326	wdev_unlock(wdev);
f2129354 JB	327
	328	return 0;
	329	}
f2129354 JB	330
	331	int cfg80211_wext_siwgenie(struct net_device *dev,
	332	struct iw_request_info *info,
	333	struct iw_point data, char extra)
	334	{
	335	struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40	336	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
f2129354 JB	337	u8 *ie = extra;
	338	int ie_len = data->length, err;
	339
	340	if (wdev->iftype != NL80211_IFTYPE_STATION)
	341	return -EOPNOTSUPP;
	342
	343	if (!ie_len)
	344	ie = NULL;
	345
667503dd JB	346	wdev_lock(wdev);
667503dd JB	347
f2129354	348	/* no change */
667503dd	349	err = 0;
f2129354 JB	350	if (wdev->wext.ie_len == ie_len &&
f2129354 JB	351	memcmp(wdev->wext.ie, ie, ie_len) == 0)
667503dd	352	goto out;
f2129354 JB	353
	354	if (ie_len) {
	355	ie = kmemdup(extra, ie_len, GFP_KERNEL);
667503dd JB	356	if (!ie) {
	357	err = -ENOMEM;
	358	goto out;
	359	}
f2129354 JB	360	} else
	361	ie = NULL;
	362
	363	kfree(wdev->wext.ie);
	364	wdev->wext.ie = ie;
	365	wdev->wext.ie_len = ie_len;
	366
ceca7b71	367	if (wdev->conn) {
83739b03 JB	368	err = cfg80211_disconnect(rdev, dev,
83739b03 JB	369	WLAN_REASON_DEAUTH_LEAVING, false);
f2129354	370	if (err)
667503dd	371	goto out;
f2129354 JB	372	}
	373
	374	/* userspace better not think we'll reconnect */
667503dd JB	375	err = 0;
	376	out:
	377	wdev_unlock(wdev);
	378	return err;
f2129354	379	}
f2129354 JB	380
	381	int cfg80211_wext_siwmlme(struct net_device *dev,
	382	struct iw_request_info *info,
	383	struct iw_point data, char extra)
	384	{
	385	struct wireless_dev *wdev = dev->ieee80211_ptr;
	386	struct iw_mlme mlme = (struct iw_mlme )extra;
	387	struct cfg80211_registered_device *rdev;
667503dd	388	int err;
f2129354 JB	389
	390	if (!wdev)
	391	return -EOPNOTSUPP;
	392
f26cbf40	393	rdev = wiphy_to_rdev(wdev->wiphy);
f2129354 JB	394
	395	if (wdev->iftype != NL80211_IFTYPE_STATION)
	396	return -EINVAL;
	397
	398	if (mlme->addr.sa_family != ARPHRD_ETHER)
	399	return -EINVAL;
	400
667503dd	401	wdev_lock(wdev);
f2129354 JB	402	switch (mlme->cmd) {
	403	case IW_MLME_DEAUTH:
	404	case IW_MLME_DISASSOC:
83739b03	405	err = cfg80211_disconnect(rdev, dev, mlme->reason_code, true);
667503dd	406	break;
f2129354	407	default:
667503dd JB	408	err = -EOPNOTSUPP;
667503dd JB	409	break;
f2129354	410	}
667503dd JB	411	wdev_unlock(wdev);
	412
	413	return err;
f2129354	414	}