[deliverable/linux.git] / net / wireless / ibss.c

/*
 * Some IBSS support code for cfg80211.
 *
 * Copyright 2009	Johannes Berg <johannes@sipsolutions.net>
 */

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


void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_bss *bss;
#ifdef CONFIG_WIRELESS_EXT
	union iwreq_data wrqu;
#endif

	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return;

	if (WARN_ON(!wdev->ssid_len))
		return;

	if (memcmp(bssid, wdev->bssid, ETH_ALEN) == 0)
		return;

	bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
			       wdev->ssid, wdev->ssid_len,
			       WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);

	if (WARN_ON(!bss))
		return;

	if (wdev->current_bss) {
		cfg80211_unhold_bss(wdev->current_bss);
		cfg80211_put_bss(wdev->current_bss);
	}

	cfg80211_hold_bss(bss);
	wdev->current_bss = bss;
	memcpy(wdev->bssid, bssid, ETH_ALEN);

	nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, gfp);
#ifdef CONFIG_WIRELESS_EXT
	memset(&wrqu, 0, sizeof(wrqu));
	memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
#endif
}
EXPORT_SYMBOL(cfg80211_ibss_joined);

int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
		       struct net_device *dev,
		       struct cfg80211_ibss_params *params)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	if (wdev->ssid_len)
		return -EALREADY;

#ifdef CONFIG_WIRELESS_EXT
	wdev->wext.channel = params->channel;
#endif
	err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);

	if (err)
		return err;

	memcpy(wdev->ssid, params->ssid, params->ssid_len);
	wdev->ssid_len = params->ssid_len;

	return 0;
}

void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;

	if (wdev->current_bss) {
		cfg80211_unhold_bss(wdev->current_bss);
		cfg80211_put_bss(wdev->current_bss);
	}

	wdev->current_bss = NULL;
	wdev->ssid_len = 0;
	memset(wdev->bssid, 0, ETH_ALEN);
#ifdef CONFIG_WIRELESS_EXT
	if (!nowext)
		wdev->wext.ssid_len = 0;
#endif
}

int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
			struct net_device *dev, bool nowext)
{
	int err;

	err = rdev->ops->leave_ibss(&rdev->wiphy, dev);

	if (err)
		return err;

	cfg80211_clear_ibss(dev, nowext);

	return 0;
}

#ifdef CONFIG_WIRELESS_EXT
static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
				   struct wireless_dev *wdev)
{
	enum ieee80211_band band;
	int i;

	/* try to find an IBSS channel if none requested ... */
	if (!wdev->wext.channel) {
		for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
			struct ieee80211_supported_band *sband;
			struct ieee80211_channel *chan;

			sband = rdev->wiphy.bands[band];
			if (!sband)
				continue;

			for (i = 0; i < sband->n_channels; i++) {
				chan = &sband->channels[i];
				if (chan->flags & IEEE80211_CHAN_NO_IBSS)
					continue;
				if (chan->flags & IEEE80211_CHAN_DISABLED)
					continue;
				wdev->wext.channel = chan;
				break;
			}

			if (wdev->wext.channel)
				break;
		}

		if (!wdev->wext.channel)
			return -EINVAL;
	}

	/* don't join -- SSID is not there */
	if (!wdev->wext.ssid_len)
		return 0;

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

	return cfg80211_join_ibss(wiphy_to_dev(wdev->wiphy),
				  wdev->netdev, &wdev->wext);
}

int cfg80211_ibss_wext_siwfreq(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;
	int err;

	/* call only for ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
		return -EOPNOTSUPP;

	chan = cfg80211_wext_freq(wdev->wiphy, freq);
	if (chan && IS_ERR(chan))
		return PTR_ERR(chan);

	if (chan &&
	    (chan->flags & IEEE80211_CHAN_NO_IBSS ||
	     chan->flags & IEEE80211_CHAN_DISABLED))
		return -EINVAL;

	if (wdev->wext.channel == chan)
		return 0;

	if (wdev->ssid_len) {
		err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
					  dev, true);
		if (err)
			return err;
	}

	if (chan) {
		wdev->wext.channel = chan;
		wdev->wext.channel_fixed = true;
	} else {
		/* cfg80211_ibss_wext_join will pick one if needed */
		wdev->wext.channel_fixed = false;
	}

	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwfreq);

int cfg80211_ibss_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 ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	if (wdev->current_bss)
		chan = wdev->current_bss->channel;
	else if (wdev->wext.channel)
		chan = wdev->wext.channel;

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

	/* no channel if not joining */
	return -EINVAL;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwfreq);

int cfg80211_ibss_wext_siwessid(struct net_device *dev,
				struct iw_request_info *info,
				struct iw_point *data, char *ssid)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	size_t len = data->length;
	int err;

	/* call only for ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
		return -EOPNOTSUPP;

	if (wdev->ssid_len) {
		err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
					  dev, true);
		if (err)
			return err;
	}

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

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

	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwessid);

int cfg80211_ibss_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 ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	data->flags = 0;

	if (wdev->ssid_len) {
		data->flags = 1;
		data->length = wdev->ssid_len;
		memcpy(ssid, wdev->ssid, data->length);
	} else if (wdev->wext.ssid && wdev->wext.ssid_len) {
		data->flags = 1;
		data->length = wdev->wext.ssid_len;
		memcpy(ssid, wdev->wext.ssid, data->length);
	}

	return 0;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwessid);

int cfg80211_ibss_wext_siwap(struct net_device *dev,
			     struct iw_request_info *info,
			     struct sockaddr *ap_addr, char *extra)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	u8 *bssid = ap_addr->sa_data;
	int err;

	/* call only for ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
		return -EOPNOTSUPP;

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

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

	/* both automatic */
	if (!bssid && !wdev->wext.bssid)
		return 0;

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

	if (wdev->ssid_len) {
		err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
					  dev, true);
		if (err)
			return err;
	}

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

	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwap);

int cfg80211_ibss_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 ibss! */
	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
		return -EINVAL;

	ap_addr->sa_family = ARPHRD_ETHER;

	if (wdev->wext.bssid) {
		memcpy(ap_addr->sa_data, wdev->wext.bssid, ETH_ALEN);
		return 0;
	}

	memcpy(ap_addr->sa_data, wdev->bssid, ETH_ALEN);
	return 0;
}
/* temporary symbol - mark GPL - in the future the handler won't be */
EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwap);
#endif
Commit	Line	Data
04a773ad JB	1	/*
	2	* Some IBSS support code for cfg80211.
	3	*
	4	* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
	5	*/
	6
	7	#include <linux/etherdevice.h>
	8	#include <linux/if_arp.h>
	9	#include <net/cfg80211.h>
04a773ad JB	10	#include "nl80211.h"
	11
	12
	13	void cfg80211_ibss_joined(struct net_device dev, const u8 bssid, gfp_t gfp)
	14	{
	15	struct wireless_dev *wdev = dev->ieee80211_ptr;
	16	struct cfg80211_bss *bss;
	17	#ifdef CONFIG_WIRELESS_EXT
	18	union iwreq_data wrqu;
	19	#endif
	20
	21	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	22	return;
	23
	24	if (WARN_ON(!wdev->ssid_len))
	25	return;
	26
	27	if (memcmp(bssid, wdev->bssid, ETH_ALEN) == 0)
	28	return;
	29
	30	bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
	31	wdev->ssid, wdev->ssid_len,
	32	WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
	33
	34	if (WARN_ON(!bss))
	35	return;
	36
	37	if (wdev->current_bss) {
	38	cfg80211_unhold_bss(wdev->current_bss);
	39	cfg80211_put_bss(wdev->current_bss);
	40	}
	41
	42	cfg80211_hold_bss(bss);
	43	wdev->current_bss = bss;
	44	memcpy(wdev->bssid, bssid, ETH_ALEN);
	45
	46	nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, gfp);
	47	#ifdef CONFIG_WIRELESS_EXT
	48	memset(&wrqu, 0, sizeof(wrqu));
	49	memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
	50	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
	51	#endif
	52	}
	53	EXPORT_SYMBOL(cfg80211_ibss_joined);
	54
	55	int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
	56	struct net_device *dev,
	57	struct cfg80211_ibss_params *params)
	58	{
	59	struct wireless_dev *wdev = dev->ieee80211_ptr;
	60	int err;
	61
	62	if (wdev->ssid_len)
	63	return -EALREADY;
	64
	65	#ifdef CONFIG_WIRELESS_EXT
	66	wdev->wext.channel = params->channel;
	67	#endif
	68	err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
	69
	70	if (err)
	71	return err;
	72
	73	memcpy(wdev->ssid, params->ssid, params->ssid_len);
74	wdev->ssid_len = params->ssid_len;
75
76	return 0;
77	}
78
9d308429	79	void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
04a773ad JB	80	{
	81	struct wireless_dev *wdev = dev->ieee80211_ptr;
	82
	83	if (wdev->current_bss) {
	84	cfg80211_unhold_bss(wdev->current_bss);
	85	cfg80211_put_bss(wdev->current_bss);
	86	}
	87
	88	wdev->current_bss = NULL;
	89	wdev->ssid_len = 0;
	90	memset(wdev->bssid, 0, ETH_ALEN);
9d308429 JB	91	#ifdef CONFIG_WIRELESS_EXT
	92	if (!nowext)
	93	wdev->wext.ssid_len = 0;
	94	#endif
04a773ad JB	95	}
	96
	97	int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
9d308429	98	struct net_device *dev, bool nowext)
04a773ad JB	99	{
	100	int err;
	101
	102	err = rdev->ops->leave_ibss(&rdev->wiphy, dev);
	103
	104	if (err)
	105	return err;
	106
9d308429	107	cfg80211_clear_ibss(dev, nowext);
04a773ad JB	108
	109	return 0;
	110	}
	111
	112	#ifdef CONFIG_WIRELESS_EXT
	113	static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
	114	struct wireless_dev *wdev)
	115	{
	116	enum ieee80211_band band;
	117	int i;
	118
	119	/* try to find an IBSS channel if none requested ... */
	120	if (!wdev->wext.channel) {
	121	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
	122	struct ieee80211_supported_band *sband;
	123	struct ieee80211_channel *chan;
	124
	125	sband = rdev->wiphy.bands[band];
	126	if (!sband)
	127	continue;
	128
	129	for (i = 0; i < sband->n_channels; i++) {
	130	chan = &sband->channels[i];
	131	if (chan->flags & IEEE80211_CHAN_NO_IBSS)
	132	continue;
	133	if (chan->flags & IEEE80211_CHAN_DISABLED)
	134	continue;
	135	wdev->wext.channel = chan;
	136	break;
	137	}
	138
	139	if (wdev->wext.channel)
	140	break;
	141	}
	142
	143	if (!wdev->wext.channel)
	144	return -EINVAL;
	145	}
	146
	147	/* don't join -- SSID is not there */
	148	if (!wdev->wext.ssid_len)
	149	return 0;
	150
	151	if (!netif_running(wdev->netdev))
	152	return 0;
	153
	154	return cfg80211_join_ibss(wiphy_to_dev(wdev->wiphy),
	155	wdev->netdev, &wdev->wext);
	156	}
	157
	158	int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
	159	struct iw_request_info *info,
	160	struct iw_freq freq, char extra)
	161	{
	162	struct wireless_dev *wdev = dev->ieee80211_ptr;
	163	struct ieee80211_channel *chan;
	164	int err;
	165
	166	/* call only for ibss! */
	167	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	168	return -EINVAL;
	169
	170	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
	171	return -EOPNOTSUPP;
172
173	chan = cfg80211_wext_freq(wdev->wiphy, freq);
174	if (chan && IS_ERR(chan))
175	return PTR_ERR(chan);
176
177	if (chan &&
178	(chan->flags & IEEE80211_CHAN_NO_IBSS \|\|
179	chan->flags & IEEE80211_CHAN_DISABLED))
180	return -EINVAL;
181
182	if (wdev->wext.channel == chan)
183	return 0;
184
185	if (wdev->ssid_len) {
9d308429 JB	186	err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
9d308429 JB	187	dev, true);
04a773ad JB	188	if (err)
	189	return err;
	190	}
	191
	192	if (chan) {
	193	wdev->wext.channel = chan;
	194	wdev->wext.channel_fixed = true;
	195	} else {
	196	/* cfg80211_ibss_wext_join will pick one if needed */
	197	wdev->wext.channel_fixed = false;
	198	}
	199
	200	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
	201	}
	202	/* temporary symbol - mark GPL - in the future the handler won't be */
	203	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwfreq);
	204
	205	int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
	206	struct iw_request_info *info,
	207	struct iw_freq freq, char extra)
	208	{
	209	struct wireless_dev *wdev = dev->ieee80211_ptr;
	210	struct ieee80211_channel *chan = NULL;
	211
	212	/* call only for ibss! */
	213	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	214	return -EINVAL;
	215
	216	if (wdev->current_bss)
	217	chan = wdev->current_bss->channel;
	218	else if (wdev->wext.channel)
	219	chan = wdev->wext.channel;
	220
	221	if (chan) {
	222	freq->m = chan->center_freq;
	223	freq->e = 6;
	224	return 0;
	225	}
	226
	227	/* no channel if not joining */
	228	return -EINVAL;
	229	}
	230	/* temporary symbol - mark GPL - in the future the handler won't be */
	231	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwfreq);
	232
	233	int cfg80211_ibss_wext_siwessid(struct net_device *dev,
	234	struct iw_request_info *info,
	235	struct iw_point data, char ssid)
	236	{
	237	struct wireless_dev *wdev = dev->ieee80211_ptr;
	238	size_t len = data->length;
	239	int err;
	240
	241	/* call only for ibss! */
	242	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	243	return -EINVAL;
	244
	245	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
	246	return -EOPNOTSUPP;
	247
	248	if (wdev->ssid_len) {
9d308429 JB	249	err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
9d308429 JB	250	dev, true);
04a773ad JB	251	if (err)
	252	return err;
	253	}
	254
	255	/* iwconfig uses nul termination in SSID.. */
	256	if (len > 0 && ssid[len - 1] == '\0')
	257	len--;
	258
	259	wdev->wext.ssid = wdev->ssid;
	260	memcpy(wdev->wext.ssid, ssid, len);
	261	wdev->wext.ssid_len = len;
	262
	263	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
	264	}
	265	/* temporary symbol - mark GPL - in the future the handler won't be */
	266	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwessid);
	267
	268	int cfg80211_ibss_wext_giwessid(struct net_device *dev,
	269	struct iw_request_info *info,
	270	struct iw_point data, char ssid)
	271	{
	272	struct wireless_dev *wdev = dev->ieee80211_ptr;
	273
	274	/* call only for ibss! */
	275	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	276	return -EINVAL;
	277
	278	data->flags = 0;
	279
	280	if (wdev->ssid_len) {
	281	data->flags = 1;
	282	data->length = wdev->ssid_len;
	283	memcpy(ssid, wdev->ssid, data->length);
9d308429	284	} else if (wdev->wext.ssid && wdev->wext.ssid_len) {
04a773ad JB	285	data->flags = 1;
	286	data->length = wdev->wext.ssid_len;
	287	memcpy(ssid, wdev->wext.ssid, data->length);
	288	}
	289
	290	return 0;
	291	}
	292	/* temporary symbol - mark GPL - in the future the handler won't be */
	293	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwessid);
	294
	295	int cfg80211_ibss_wext_siwap(struct net_device *dev,
	296	struct iw_request_info *info,
	297	struct sockaddr ap_addr, char extra)
	298	{
	299	struct wireless_dev *wdev = dev->ieee80211_ptr;
	300	u8 *bssid = ap_addr->sa_data;
	301	int err;
	302
	303	/* call only for ibss! */
	304	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	305	return -EINVAL;
	306
	307	if (!wiphy_to_dev(wdev->wiphy)->ops->join_ibss)
	308	return -EOPNOTSUPP;
	309
	310	if (ap_addr->sa_family != ARPHRD_ETHER)
	311	return -EINVAL;
	312
	313	/* automatic mode */
	314	if (is_zero_ether_addr(bssid) \|\| is_broadcast_ether_addr(bssid))
	315	bssid = NULL;
	316
	317	/* both automatic */
	318	if (!bssid && !wdev->wext.bssid)
	319	return 0;
	320
	321	/* fixed already - and no change */
	322	if (wdev->wext.bssid && bssid &&
	323	compare_ether_addr(bssid, wdev->wext.bssid) == 0)
	324	return 0;
	325
	326	if (wdev->ssid_len) {
9d308429 JB	327	err = cfg80211_leave_ibss(wiphy_to_dev(wdev->wiphy),
9d308429 JB	328	dev, true);
04a773ad JB	329	if (err)
	330	return err;
	331	}
	332
	333	if (bssid) {
	334	memcpy(wdev->wext_bssid, bssid, ETH_ALEN);
	335	wdev->wext.bssid = wdev->wext_bssid;
	336	} else
	337	wdev->wext.bssid = NULL;
	338
	339	return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
	340	}
	341	/* temporary symbol - mark GPL - in the future the handler won't be */
	342	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwap);
	343
	344	int cfg80211_ibss_wext_giwap(struct net_device *dev,
	345	struct iw_request_info *info,
	346	struct sockaddr ap_addr, char extra)
	347	{
	348	struct wireless_dev *wdev = dev->ieee80211_ptr;
	349
	350	/* call only for ibss! */
	351	if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
	352	return -EINVAL;
	353
	354	ap_addr->sa_family = ARPHRD_ETHER;
	355
	356	if (wdev->wext.bssid) {
	357	memcpy(ap_addr->sa_data, wdev->wext.bssid, ETH_ALEN);
	358	return 0;
	359	}
	360
	361	memcpy(ap_addr->sa_data, wdev->bssid, ETH_ALEN);
	362	return 0;
	363	}
	364	/* temporary symbol - mark GPL - in the future the handler won't be */
	365	EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwap);
	366	#endif