2 * cfg80211 wext compat for managed mode.
4 * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (C) 2009 Intel Corporation. All rights reserved.
8 #include <linux/etherdevice.h>
9 #include <linux/if_arp.h>
10 #include <net/cfg80211.h>
13 static int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
14 struct wireless_dev *wdev)
18 ASSERT_RDEV_LOCK(rdev);
19 ASSERT_WDEV_LOCK(wdev);
21 if (!netif_running(wdev->netdev))
24 wdev->wext.connect.ie = wdev->wext.ie;
25 wdev->wext.connect.ie_len = wdev->wext.ie_len;
26 wdev->wext.connect.privacy = wdev->wext.default_key != -1;
29 if (wdev->wext.connect.ssid_len != 0)
30 err = __cfg80211_connect(rdev, wdev->netdev,
36 int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
37 struct iw_request_info *info,
38 struct iw_freq *freq, char *extra)
40 struct wireless_dev *wdev = dev->ieee80211_ptr;
41 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
42 struct ieee80211_channel *chan;
45 /* call only for station! */
46 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
49 chan = cfg80211_wext_freq(wdev->wiphy, freq);
50 if (chan && IS_ERR(chan))
53 if (chan && (chan->flags & IEEE80211_CHAN_DISABLED))
56 cfg80211_lock_rdev(rdev);
59 if (wdev->wext.connect.channel == chan) {
64 if (wdev->sme_state != CFG80211_SME_IDLE) {
66 /* if SSID set, we'll try right again, avoid event */
67 if (wdev->wext.connect.ssid_len)
69 err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
70 dev, WLAN_REASON_DEAUTH_LEAVING,
77 wdev->wext.connect.channel = chan;
79 /* SSID is not set, we just want to switch channel */
80 if (wdev->wext.connect.ssid_len && chan) {
82 if (rdev->ops->set_channel)
83 err = rdev->ops->set_channel(wdev->wiphy, chan,
88 err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
91 cfg80211_unlock_rdev(rdev);
94 /* temporary symbol - mark GPL - in the future the handler won't be */
95 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwfreq);
97 int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
98 struct iw_request_info *info,
99 struct iw_freq *freq, char *extra)
101 struct wireless_dev *wdev = dev->ieee80211_ptr;
102 struct ieee80211_channel *chan = NULL;
104 /* call only for station! */
105 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
109 if (wdev->current_bss)
110 chan = wdev->current_bss->pub.channel;
111 else if (wdev->wext.connect.channel)
112 chan = wdev->wext.connect.channel;
116 freq->m = chan->center_freq;
121 /* no channel if not joining */
124 /* temporary symbol - mark GPL - in the future the handler won't be */
125 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwfreq);
127 int cfg80211_mgd_wext_siwessid(struct net_device *dev,
128 struct iw_request_info *info,
129 struct iw_point *data, char *ssid)
131 struct wireless_dev *wdev = dev->ieee80211_ptr;
132 size_t len = data->length;
135 /* call only for station! */
136 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
142 /* iwconfig uses nul termination in SSID.. */
143 if (len > 0 && ssid[len - 1] == '\0')
146 cfg80211_lock_rdev(wiphy_to_dev(wdev->wiphy));
151 if (wdev->wext.connect.ssid && len &&
152 len == wdev->wext.connect.ssid_len &&
153 memcmp(wdev->wext.connect.ssid, ssid, len))
156 if (wdev->sme_state != CFG80211_SME_IDLE) {
158 /* if SSID set now, we'll try to connect, avoid event */
161 err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
162 dev, WLAN_REASON_DEAUTH_LEAVING,
168 wdev->wext.connect.ssid = wdev->wext.ssid;
169 memcpy(wdev->wext.ssid, ssid, len);
170 wdev->wext.connect.ssid_len = len;
172 wdev->wext.connect.crypto.control_port = false;
174 err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
177 cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
180 /* temporary symbol - mark GPL - in the future the handler won't be */
181 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwessid);
183 int cfg80211_mgd_wext_giwessid(struct net_device *dev,
184 struct iw_request_info *info,
185 struct iw_point *data, char *ssid)
187 struct wireless_dev *wdev = dev->ieee80211_ptr;
189 /* call only for station! */
190 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
196 if (wdev->ssid_len) {
198 data->length = wdev->ssid_len;
199 memcpy(ssid, wdev->ssid, data->length);
200 } else if (wdev->wext.connect.ssid && wdev->wext.connect.ssid_len) {
202 data->length = wdev->wext.connect.ssid_len;
203 memcpy(ssid, wdev->wext.connect.ssid, data->length);
210 /* temporary symbol - mark GPL - in the future the handler won't be */
211 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwessid);
213 int cfg80211_mgd_wext_siwap(struct net_device *dev,
214 struct iw_request_info *info,
215 struct sockaddr *ap_addr, char *extra)
217 struct wireless_dev *wdev = dev->ieee80211_ptr;
218 u8 *bssid = ap_addr->sa_data;
221 /* call only for station! */
222 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
225 if (ap_addr->sa_family != ARPHRD_ETHER)
229 if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid))
232 cfg80211_lock_rdev(wiphy_to_dev(wdev->wiphy));
237 if (!bssid && !wdev->wext.connect.bssid)
240 /* fixed already - and no change */
241 if (wdev->wext.connect.bssid && bssid &&
242 compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
245 if (wdev->sme_state != CFG80211_SME_IDLE) {
246 err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
247 dev, WLAN_REASON_DEAUTH_LEAVING,
254 memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
255 wdev->wext.connect.bssid = wdev->wext.bssid;
257 wdev->wext.connect.bssid = NULL;
259 err = cfg80211_mgd_wext_connect(wiphy_to_dev(wdev->wiphy), wdev);
262 cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
265 /* temporary symbol - mark GPL - in the future the handler won't be */
266 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwap);
268 int cfg80211_mgd_wext_giwap(struct net_device *dev,
269 struct iw_request_info *info,
270 struct sockaddr *ap_addr, char *extra)
272 struct wireless_dev *wdev = dev->ieee80211_ptr;
274 /* call only for station! */
275 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
278 ap_addr->sa_family = ARPHRD_ETHER;
281 if (wdev->current_bss)
282 memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN);
283 else if (wdev->wext.connect.bssid)
284 memcpy(ap_addr->sa_data, wdev->wext.connect.bssid, ETH_ALEN);
286 memset(ap_addr->sa_data, 0, ETH_ALEN);
291 /* temporary symbol - mark GPL - in the future the handler won't be */
292 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwap);
294 int cfg80211_wext_siwgenie(struct net_device *dev,
295 struct iw_request_info *info,
296 struct iw_point *data, char *extra)
298 struct wireless_dev *wdev = dev->ieee80211_ptr;
299 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
301 int ie_len = data->length, err;
303 if (wdev->iftype != NL80211_IFTYPE_STATION)
313 if (wdev->wext.ie_len == ie_len &&
314 memcmp(wdev->wext.ie, ie, ie_len) == 0)
318 ie = kmemdup(extra, ie_len, GFP_KERNEL);
326 kfree(wdev->wext.ie);
328 wdev->wext.ie_len = ie_len;
330 if (wdev->sme_state != CFG80211_SME_IDLE) {
331 err = __cfg80211_disconnect(rdev, dev,
332 WLAN_REASON_DEAUTH_LEAVING, false);
337 /* userspace better not think we'll reconnect */
343 EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie);
345 int cfg80211_wext_siwmlme(struct net_device *dev,
346 struct iw_request_info *info,
347 struct iw_point *data, char *extra)
349 struct wireless_dev *wdev = dev->ieee80211_ptr;
350 struct iw_mlme *mlme = (struct iw_mlme *)extra;
351 struct cfg80211_registered_device *rdev;
357 rdev = wiphy_to_dev(wdev->wiphy);
359 if (wdev->iftype != NL80211_IFTYPE_STATION)
362 if (mlme->addr.sa_family != ARPHRD_ETHER)
368 case IW_MLME_DISASSOC:
369 err = __cfg80211_disconnect(rdev, dev, mlme->reason_code,
380 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme);