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370121e5 JB |
1 | /* |
2 | * This file contains our _wx handlers. Make sure you EXPORT_SYMBOL_GPL them | |
4855d25b | 3 | * |
79859051 JB |
4 | * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net> |
5 | * Joseph Jezak <josejx@gentoo.org> | |
6 | * Larry Finger <Larry.Finger@lwfinger.net> | |
7 | * Danny van Dyk <kugelfang@gentoo.org> | |
8 | * Michael Buesch <mbuesch@freenet.de> | |
4855d25b JB |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
17 | * more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | * | |
23 | * The full GNU General Public License is included in this distribution in the | |
24 | * file called COPYING. | |
370121e5 JB |
25 | */ |
26 | ||
27 | #include "ieee80211softmac_priv.h" | |
28 | ||
29 | #include <net/iw_handler.h> | |
30 | ||
31 | ||
32 | int | |
33 | ieee80211softmac_wx_trigger_scan(struct net_device *net_dev, | |
34 | struct iw_request_info *info, | |
35 | union iwreq_data *data, | |
36 | char *extra) | |
37 | { | |
38 | struct ieee80211softmac_device *sm = ieee80211_priv(net_dev); | |
39 | return ieee80211softmac_start_scan(sm); | |
40 | } | |
41 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_trigger_scan); | |
42 | ||
43 | ||
44 | int | |
45 | ieee80211softmac_wx_get_scan_results(struct net_device *net_dev, | |
46 | struct iw_request_info *info, | |
47 | union iwreq_data *data, | |
48 | char *extra) | |
49 | { | |
50 | struct ieee80211softmac_device *sm = ieee80211_priv(net_dev); | |
51 | return ieee80211_wx_get_scan(sm->ieee, info, data, extra); | |
52 | } | |
53 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_scan_results); | |
54 | ||
55 | int | |
56 | ieee80211softmac_wx_set_essid(struct net_device *net_dev, | |
57 | struct iw_request_info *info, | |
58 | union iwreq_data *data, | |
59 | char *extra) | |
60 | { | |
61 | struct ieee80211softmac_device *sm = ieee80211_priv(net_dev); | |
62 | int length = 0; | |
63 | unsigned long flags; | |
64 | ||
65 | spin_lock_irqsave(&sm->lock, flags); | |
66 | ||
67 | sm->associnfo.static_essid = 0; | |
68 | ||
69 | if (data->essid.flags && data->essid.length && extra /*required?*/) { | |
70 | length = min(data->essid.length - 1, IW_ESSID_MAX_SIZE); | |
71 | if (length) { | |
72 | memcpy(sm->associnfo.req_essid.data, extra, length); | |
73 | sm->associnfo.static_essid = 1; | |
74 | } | |
75 | } | |
76 | sm->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT; | |
77 | ||
78 | /* set our requested ESSID length. | |
79 | * If applicable, we have already copied the data in */ | |
80 | sm->associnfo.req_essid.len = length; | |
81 | ||
82 | /* queue lower level code to do work (if necessary) */ | |
5c4df6da | 83 | schedule_work(&sm->associnfo.work); |
370121e5 JB |
84 | |
85 | spin_unlock_irqrestore(&sm->lock, flags); | |
86 | return 0; | |
87 | } | |
88 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_essid); | |
89 | ||
90 | int | |
91 | ieee80211softmac_wx_get_essid(struct net_device *net_dev, | |
92 | struct iw_request_info *info, | |
93 | union iwreq_data *data, | |
94 | char *extra) | |
95 | { | |
96 | struct ieee80211softmac_device *sm = ieee80211_priv(net_dev); | |
97 | unsigned long flags; | |
98 | ||
99 | /* avoid getting inconsistent information */ | |
100 | spin_lock_irqsave(&sm->lock, flags); | |
101 | /* If all fails, return ANY (empty) */ | |
102 | data->essid.length = 0; | |
103 | data->essid.flags = 0; /* active */ | |
104 | ||
105 | /* If we have a statically configured ESSID then return it */ | |
106 | if (sm->associnfo.static_essid) { | |
107 | data->essid.length = sm->associnfo.req_essid.len; | |
108 | data->essid.flags = 1; /* active */ | |
109 | memcpy(extra, sm->associnfo.req_essid.data, sm->associnfo.req_essid.len); | |
110 | } | |
111 | ||
112 | /* If we're associating/associated, return that */ | |
113 | if (sm->associated || sm->associnfo.associating) { | |
114 | data->essid.length = sm->associnfo.associate_essid.len; | |
115 | data->essid.flags = 1; /* active */ | |
116 | memcpy(extra, sm->associnfo.associate_essid.data, sm->associnfo.associate_essid.len); | |
117 | } | |
118 | spin_unlock_irqrestore(&sm->lock, flags); | |
119 | return 0; | |
120 | } | |
121 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_essid); | |
122 | ||
123 | int | |
124 | ieee80211softmac_wx_set_rate(struct net_device *net_dev, | |
125 | struct iw_request_info *info, | |
126 | union iwreq_data *data, | |
127 | char *extra) | |
128 | { | |
129 | struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); | |
130 | struct ieee80211_device *ieee = mac->ieee; | |
131 | unsigned long flags; | |
132 | s32 in_rate = data->bitrate.value; | |
133 | u8 rate; | |
134 | int is_ofdm = 0; | |
135 | int err = -EINVAL; | |
136 | ||
137 | if (in_rate == -1) { | |
138 | /* automatic detect */ | |
139 | if (ieee->modulation & IEEE80211_OFDM_MODULATION) | |
140 | in_rate = 54000000; | |
141 | else | |
142 | in_rate = 11000000; | |
143 | } | |
144 | ||
145 | switch (in_rate) { | |
146 | case 1000000: | |
147 | rate = IEEE80211_CCK_RATE_1MB; | |
148 | break; | |
149 | case 2000000: | |
150 | rate = IEEE80211_CCK_RATE_2MB; | |
151 | break; | |
152 | case 5500000: | |
153 | rate = IEEE80211_CCK_RATE_5MB; | |
154 | break; | |
155 | case 11000000: | |
156 | rate = IEEE80211_CCK_RATE_11MB; | |
157 | break; | |
158 | case 6000000: | |
159 | rate = IEEE80211_OFDM_RATE_6MB; | |
160 | is_ofdm = 1; | |
161 | break; | |
162 | case 9000000: | |
163 | rate = IEEE80211_OFDM_RATE_9MB; | |
164 | is_ofdm = 1; | |
165 | break; | |
166 | case 12000000: | |
167 | rate = IEEE80211_OFDM_RATE_12MB; | |
168 | is_ofdm = 1; | |
169 | break; | |
170 | case 18000000: | |
171 | rate = IEEE80211_OFDM_RATE_18MB; | |
172 | is_ofdm = 1; | |
173 | break; | |
174 | case 24000000: | |
175 | rate = IEEE80211_OFDM_RATE_24MB; | |
176 | is_ofdm = 1; | |
177 | break; | |
178 | case 36000000: | |
179 | rate = IEEE80211_OFDM_RATE_36MB; | |
180 | is_ofdm = 1; | |
181 | break; | |
182 | case 48000000: | |
183 | rate = IEEE80211_OFDM_RATE_48MB; | |
184 | is_ofdm = 1; | |
185 | break; | |
186 | case 54000000: | |
187 | rate = IEEE80211_OFDM_RATE_54MB; | |
188 | is_ofdm = 1; | |
189 | break; | |
190 | default: | |
191 | goto out; | |
192 | } | |
193 | ||
194 | spin_lock_irqsave(&mac->lock, flags); | |
195 | ||
196 | /* Check if correct modulation for this PHY. */ | |
197 | if (is_ofdm && !(ieee->modulation & IEEE80211_OFDM_MODULATION)) | |
198 | goto out_unlock; | |
199 | ||
200 | mac->txrates.default_rate = rate; | |
201 | mac->txrates.default_fallback = lower_rate(mac, rate); | |
202 | err = 0; | |
203 | ||
204 | out_unlock: | |
205 | spin_unlock_irqrestore(&mac->lock, flags); | |
206 | out: | |
207 | return err; | |
208 | } | |
209 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_rate); | |
210 | ||
211 | int | |
212 | ieee80211softmac_wx_get_rate(struct net_device *net_dev, | |
213 | struct iw_request_info *info, | |
214 | union iwreq_data *data, | |
215 | char *extra) | |
216 | { | |
217 | struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); | |
218 | unsigned long flags; | |
219 | int err = -EINVAL; | |
220 | ||
221 | spin_lock_irqsave(&mac->lock, flags); | |
222 | switch (mac->txrates.default_rate) { | |
223 | case IEEE80211_CCK_RATE_1MB: | |
224 | data->bitrate.value = 1000000; | |
225 | break; | |
226 | case IEEE80211_CCK_RATE_2MB: | |
227 | data->bitrate.value = 2000000; | |
228 | break; | |
229 | case IEEE80211_CCK_RATE_5MB: | |
230 | data->bitrate.value = 5500000; | |
231 | break; | |
232 | case IEEE80211_CCK_RATE_11MB: | |
233 | data->bitrate.value = 11000000; | |
234 | break; | |
235 | case IEEE80211_OFDM_RATE_6MB: | |
236 | data->bitrate.value = 6000000; | |
237 | break; | |
238 | case IEEE80211_OFDM_RATE_9MB: | |
239 | data->bitrate.value = 9000000; | |
240 | break; | |
241 | case IEEE80211_OFDM_RATE_12MB: | |
242 | data->bitrate.value = 12000000; | |
243 | break; | |
244 | case IEEE80211_OFDM_RATE_18MB: | |
245 | data->bitrate.value = 18000000; | |
246 | break; | |
247 | case IEEE80211_OFDM_RATE_24MB: | |
248 | data->bitrate.value = 24000000; | |
249 | break; | |
250 | case IEEE80211_OFDM_RATE_36MB: | |
251 | data->bitrate.value = 36000000; | |
252 | break; | |
253 | case IEEE80211_OFDM_RATE_48MB: | |
254 | data->bitrate.value = 48000000; | |
255 | break; | |
256 | case IEEE80211_OFDM_RATE_54MB: | |
257 | data->bitrate.value = 54000000; | |
258 | break; | |
259 | default: | |
260 | assert(0); | |
261 | goto out_unlock; | |
262 | } | |
263 | err = 0; | |
264 | out_unlock: | |
265 | spin_unlock_irqrestore(&mac->lock, flags); | |
266 | ||
267 | return err; | |
268 | } | |
269 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_rate); | |
270 | ||
271 | int | |
272 | ieee80211softmac_wx_get_wap(struct net_device *net_dev, | |
273 | struct iw_request_info *info, | |
274 | union iwreq_data *data, | |
275 | char *extra) | |
276 | { | |
277 | struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); | |
278 | int err = 0; | |
279 | unsigned long flags; | |
280 | ||
281 | spin_lock_irqsave(&mac->lock, flags); | |
282 | if (mac->associnfo.bssvalid) | |
283 | memcpy(data->ap_addr.sa_data, mac->associnfo.bssid, ETH_ALEN); | |
284 | else | |
285 | memset(data->ap_addr.sa_data, 0xff, ETH_ALEN); | |
286 | data->ap_addr.sa_family = ARPHRD_ETHER; | |
287 | spin_unlock_irqrestore(&mac->lock, flags); | |
288 | return err; | |
289 | } | |
290 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_wap); | |
291 | ||
292 | int | |
293 | ieee80211softmac_wx_set_wap(struct net_device *net_dev, | |
294 | struct iw_request_info *info, | |
295 | union iwreq_data *data, | |
296 | char *extra) | |
297 | { | |
298 | struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); | |
299 | static const unsigned char any[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
300 | static const unsigned char off[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; | |
301 | unsigned long flags; | |
302 | ||
303 | /* sanity check */ | |
304 | if (data->ap_addr.sa_family != ARPHRD_ETHER) { | |
305 | return -EINVAL; | |
306 | } | |
307 | ||
308 | spin_lock_irqsave(&mac->lock, flags); | |
309 | if (!memcmp(any, data->ap_addr.sa_data, ETH_ALEN) || | |
310 | !memcmp(off, data->ap_addr.sa_data, ETH_ALEN)) { | |
5c4df6da | 311 | schedule_work(&mac->associnfo.work); |
370121e5 JB |
312 | goto out; |
313 | } else { | |
314 | if (!memcmp(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN)) { | |
315 | if (mac->associnfo.associating || mac->associated) { | |
316 | /* bssid unchanged and associated or associating - just return */ | |
317 | goto out; | |
318 | } | |
319 | } else { | |
320 | /* copy new value in data->ap_addr.sa_data to bssid */ | |
321 | memcpy(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN); | |
322 | } | |
323 | /* queue associate if new bssid or (old one again and not associated) */ | |
5c4df6da | 324 | schedule_work(&mac->associnfo.work); |
370121e5 JB |
325 | } |
326 | ||
327 | out: | |
328 | spin_unlock_irqrestore(&mac->lock, flags); | |
329 | return 0; | |
330 | } | |
331 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_wap); | |
332 | ||
333 | int | |
334 | ieee80211softmac_wx_set_genie(struct net_device *dev, | |
335 | struct iw_request_info *info, | |
336 | union iwreq_data *wrqu, | |
337 | char *extra) | |
338 | { | |
339 | struct ieee80211softmac_device *mac = ieee80211_priv(dev); | |
340 | unsigned long flags; | |
341 | int err = 0; | |
342 | char *buf; | |
343 | int i; | |
344 | ||
345 | spin_lock_irqsave(&mac->lock, flags); | |
346 | /* bleh. shouldn't be locked for that kmalloc... */ | |
347 | ||
348 | if (wrqu->data.length) { | |
349 | if ((wrqu->data.length < 2) || (extra[1]+2 != wrqu->data.length)) { | |
350 | /* this is an IE, so the length must be | |
351 | * correct. Is it possible though that | |
352 | * more than one IE is passed in? | |
353 | */ | |
354 | err = -EINVAL; | |
355 | goto out; | |
356 | } | |
357 | if (mac->wpa.IEbuflen <= wrqu->data.length) { | |
358 | buf = kmalloc(wrqu->data.length, GFP_ATOMIC); | |
359 | if (!buf) { | |
360 | err = -ENOMEM; | |
361 | goto out; | |
362 | } | |
363 | kfree(mac->wpa.IE); | |
364 | mac->wpa.IE = buf; | |
365 | mac->wpa.IEbuflen = wrqu->data.length; | |
366 | } | |
367 | memcpy(mac->wpa.IE, extra, wrqu->data.length); | |
368 | dprintk(KERN_INFO PFX "generic IE set to "); | |
369 | for (i=0;i<wrqu->data.length;i++) | |
370 | dprintk("%.2x", mac->wpa.IE[i]); | |
371 | dprintk("\n"); | |
372 | mac->wpa.IElen = wrqu->data.length; | |
373 | } else { | |
374 | kfree(mac->wpa.IE); | |
375 | mac->wpa.IE = NULL; | |
376 | mac->wpa.IElen = 0; | |
377 | mac->wpa.IEbuflen = 0; | |
378 | } | |
379 | ||
380 | out: | |
381 | spin_unlock_irqrestore(&mac->lock, flags); | |
382 | return err; | |
383 | } | |
384 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_set_genie); | |
385 | ||
386 | int | |
387 | ieee80211softmac_wx_get_genie(struct net_device *dev, | |
388 | struct iw_request_info *info, | |
389 | union iwreq_data *wrqu, | |
390 | char *extra) | |
391 | { | |
392 | struct ieee80211softmac_device *mac = ieee80211_priv(dev); | |
393 | unsigned long flags; | |
394 | int err = 0; | |
395 | int space = wrqu->data.length; | |
396 | ||
397 | spin_lock_irqsave(&mac->lock, flags); | |
398 | ||
399 | wrqu->data.length = 0; | |
400 | ||
401 | if (mac->wpa.IE && mac->wpa.IElen) { | |
402 | wrqu->data.length = mac->wpa.IElen; | |
403 | if (mac->wpa.IElen <= space) | |
404 | memcpy(extra, mac->wpa.IE, mac->wpa.IElen); | |
405 | else | |
406 | err = -E2BIG; | |
407 | } | |
408 | spin_unlock_irqrestore(&mac->lock, flags); | |
409 | return err; | |
410 | } | |
411 | EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_genie); | |
412 |