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 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device
*rdev
,
14 struct wireless_dev
*wdev
)
16 struct cfg80211_cached_keys
*ck
= NULL
;
19 ASSERT_RDEV_LOCK(rdev
);
20 ASSERT_WDEV_LOCK(wdev
);
22 if (!netif_running(wdev
->netdev
))
25 wdev
->wext
.connect
.ie
= wdev
->wext
.ie
;
26 wdev
->wext
.connect
.ie_len
= wdev
->wext
.ie_len
;
27 wdev
->wext
.connect
.privacy
= wdev
->wext
.default_key
!= -1;
29 if (wdev
->wext
.keys
) {
30 wdev
->wext
.keys
->def
= wdev
->wext
.default_key
;
31 wdev
->wext
.keys
->defmgmt
= wdev
->wext
.default_mgmt_key
;
34 if (!wdev
->wext
.connect
.ssid_len
)
37 if (wdev
->wext
.keys
) {
38 ck
= kmemdup(wdev
->wext
.keys
, sizeof(*ck
), GFP_KERNEL
);
41 for (i
= 0; i
< 6; i
++)
42 ck
->params
[i
].key
= ck
->data
[i
];
44 err
= __cfg80211_connect(rdev
, wdev
->netdev
,
45 &wdev
->wext
.connect
, ck
);
52 int cfg80211_mgd_wext_siwfreq(struct net_device
*dev
,
53 struct iw_request_info
*info
,
54 struct iw_freq
*freq
, char *extra
)
56 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
57 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
58 struct ieee80211_channel
*chan
;
61 /* call only for station! */
62 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
65 chan
= cfg80211_wext_freq(wdev
->wiphy
, freq
);
66 if (chan
&& IS_ERR(chan
))
69 if (chan
&& (chan
->flags
& IEEE80211_CHAN_DISABLED
))
72 cfg80211_lock_rdev(rdev
);
75 if (wdev
->sme_state
!= CFG80211_SME_IDLE
) {
78 if (wdev
->wext
.connect
.channel
== chan
) {
83 /* if SSID set, we'll try right again, avoid event */
84 if (wdev
->wext
.connect
.ssid_len
)
86 err
= __cfg80211_disconnect(wiphy_to_dev(wdev
->wiphy
),
87 dev
, WLAN_REASON_DEAUTH_LEAVING
,
94 wdev
->wext
.connect
.channel
= chan
;
96 /* SSID is not set, we just want to switch channel */
97 if (wdev
->wext
.connect
.ssid_len
&& chan
) {
99 if (rdev
->ops
->set_channel
)
100 err
= rdev
->ops
->set_channel(wdev
->wiphy
, chan
,
105 err
= cfg80211_mgd_wext_connect(wiphy_to_dev(wdev
->wiphy
), wdev
);
108 cfg80211_unlock_rdev(rdev
);
111 /* temporary symbol - mark GPL - in the future the handler won't be */
112 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwfreq
);
114 int cfg80211_mgd_wext_giwfreq(struct net_device
*dev
,
115 struct iw_request_info
*info
,
116 struct iw_freq
*freq
, char *extra
)
118 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
119 struct ieee80211_channel
*chan
= NULL
;
121 /* call only for station! */
122 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
126 if (wdev
->current_bss
)
127 chan
= wdev
->current_bss
->pub
.channel
;
128 else if (wdev
->wext
.connect
.channel
)
129 chan
= wdev
->wext
.connect
.channel
;
133 freq
->m
= chan
->center_freq
;
138 /* no channel if not joining */
141 /* temporary symbol - mark GPL - in the future the handler won't be */
142 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwfreq
);
144 int cfg80211_mgd_wext_siwessid(struct net_device
*dev
,
145 struct iw_request_info
*info
,
146 struct iw_point
*data
, char *ssid
)
148 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
149 size_t len
= data
->length
;
152 /* call only for station! */
153 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
159 /* iwconfig uses nul termination in SSID.. */
160 if (len
> 0 && ssid
[len
- 1] == '\0')
163 cfg80211_lock_rdev(wiphy_to_dev(wdev
->wiphy
));
168 if (wdev
->sme_state
!= CFG80211_SME_IDLE
) {
171 if (wdev
->wext
.connect
.ssid
&& len
&&
172 len
== wdev
->wext
.connect
.ssid_len
&&
173 memcmp(wdev
->wext
.connect
.ssid
, ssid
, len
) == 0)
176 /* if SSID set now, we'll try to connect, avoid event */
179 err
= __cfg80211_disconnect(wiphy_to_dev(wdev
->wiphy
),
180 dev
, WLAN_REASON_DEAUTH_LEAVING
,
186 wdev
->wext
.connect
.ssid
= wdev
->wext
.ssid
;
187 memcpy(wdev
->wext
.ssid
, ssid
, len
);
188 wdev
->wext
.connect
.ssid_len
= len
;
190 wdev
->wext
.connect
.crypto
.control_port
= false;
192 err
= cfg80211_mgd_wext_connect(wiphy_to_dev(wdev
->wiphy
), wdev
);
195 cfg80211_unlock_rdev(wiphy_to_dev(wdev
->wiphy
));
198 /* temporary symbol - mark GPL - in the future the handler won't be */
199 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwessid
);
201 int cfg80211_mgd_wext_giwessid(struct net_device
*dev
,
202 struct iw_request_info
*info
,
203 struct iw_point
*data
, char *ssid
)
205 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
207 /* call only for station! */
208 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
214 if (wdev
->wext
.connect
.ssid
&& wdev
->wext
.connect
.ssid_len
) {
216 data
->length
= wdev
->wext
.connect
.ssid_len
;
217 memcpy(ssid
, wdev
->wext
.connect
.ssid
, data
->length
);
224 /* temporary symbol - mark GPL - in the future the handler won't be */
225 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwessid
);
227 int cfg80211_mgd_wext_siwap(struct net_device
*dev
,
228 struct iw_request_info
*info
,
229 struct sockaddr
*ap_addr
, char *extra
)
231 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
232 u8
*bssid
= ap_addr
->sa_data
;
235 /* call only for station! */
236 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
239 if (ap_addr
->sa_family
!= ARPHRD_ETHER
)
243 if (is_zero_ether_addr(bssid
) || is_broadcast_ether_addr(bssid
))
246 cfg80211_lock_rdev(wiphy_to_dev(wdev
->wiphy
));
249 if (wdev
->sme_state
!= CFG80211_SME_IDLE
) {
252 if (!bssid
&& !wdev
->wext
.connect
.bssid
)
255 /* fixed already - and no change */
256 if (wdev
->wext
.connect
.bssid
&& bssid
&&
257 compare_ether_addr(bssid
, wdev
->wext
.connect
.bssid
) == 0)
260 err
= __cfg80211_disconnect(wiphy_to_dev(wdev
->wiphy
),
261 dev
, WLAN_REASON_DEAUTH_LEAVING
,
268 memcpy(wdev
->wext
.bssid
, bssid
, ETH_ALEN
);
269 wdev
->wext
.connect
.bssid
= wdev
->wext
.bssid
;
271 wdev
->wext
.connect
.bssid
= NULL
;
273 err
= cfg80211_mgd_wext_connect(wiphy_to_dev(wdev
->wiphy
), wdev
);
276 cfg80211_unlock_rdev(wiphy_to_dev(wdev
->wiphy
));
279 /* temporary symbol - mark GPL - in the future the handler won't be */
280 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwap
);
282 int cfg80211_mgd_wext_giwap(struct net_device
*dev
,
283 struct iw_request_info
*info
,
284 struct sockaddr
*ap_addr
, char *extra
)
286 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
288 /* call only for station! */
289 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_STATION
))
292 ap_addr
->sa_family
= ARPHRD_ETHER
;
295 if (wdev
->current_bss
)
296 memcpy(ap_addr
->sa_data
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
);
297 else if (wdev
->wext
.connect
.bssid
)
298 memcpy(ap_addr
->sa_data
, wdev
->wext
.connect
.bssid
, ETH_ALEN
);
300 memset(ap_addr
->sa_data
, 0, ETH_ALEN
);
305 /* temporary symbol - mark GPL - in the future the handler won't be */
306 EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwap
);
308 int cfg80211_wext_siwgenie(struct net_device
*dev
,
309 struct iw_request_info
*info
,
310 struct iw_point
*data
, char *extra
)
312 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
313 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
315 int ie_len
= data
->length
, err
;
317 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
)
327 if (wdev
->wext
.ie_len
== ie_len
&&
328 memcmp(wdev
->wext
.ie
, ie
, ie_len
) == 0)
332 ie
= kmemdup(extra
, ie_len
, GFP_KERNEL
);
340 kfree(wdev
->wext
.ie
);
342 wdev
->wext
.ie_len
= ie_len
;
344 if (wdev
->sme_state
!= CFG80211_SME_IDLE
) {
345 err
= __cfg80211_disconnect(rdev
, dev
,
346 WLAN_REASON_DEAUTH_LEAVING
, false);
351 /* userspace better not think we'll reconnect */
357 EXPORT_SYMBOL_GPL(cfg80211_wext_siwgenie
);
359 int cfg80211_wext_siwmlme(struct net_device
*dev
,
360 struct iw_request_info
*info
,
361 struct iw_point
*data
, char *extra
)
363 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
364 struct iw_mlme
*mlme
= (struct iw_mlme
*)extra
;
365 struct cfg80211_registered_device
*rdev
;
371 rdev
= wiphy_to_dev(wdev
->wiphy
);
373 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
)
376 if (mlme
->addr
.sa_family
!= ARPHRD_ETHER
)
382 case IW_MLME_DISASSOC
:
383 err
= __cfg80211_disconnect(rdev
, dev
, mlme
->reason_code
,
394 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmlme
);