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[PATCH] mac80211: remove all prism2 ioctls
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / net / mac80211 / ieee80211_ioctl.c
blob3c324c3bcd9cefdb4bb650abb3719be2030687bc
1 /*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005-2006, Devicescape Software, Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/netdevice.h>
13 #include <linux/types.h>
14 #include <linux/slab.h>
15 #include <linux/skbuff.h>
16 #include <linux/etherdevice.h>
17 #include <linux/if_arp.h>
18 #include <linux/wireless.h>
19 #include <net/iw_handler.h>
20 #include <asm/uaccess.h>
21
22 #include <net/mac80211.h>
23 #include "ieee80211_i.h"
24 #include "ieee80211_rate.h"
25 #include "wpa.h"
26 #include "aes_ccm.h"
27
28
29 static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
30 int idx, int alg, int set_tx_key,
31 const u8 *_key, size_t key_len)
32 {
33 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
34 int ret = 0;
35 struct sta_info *sta;
36 struct ieee80211_key *key;
37 struct ieee80211_sub_if_data *sdata;
38
39 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
40
41 if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
42 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
43 dev->name, idx);
44 return -EINVAL;
45 }
46
47 if (is_broadcast_ether_addr(sta_addr)) {
48 sta = NULL;
49 key = sdata->keys[idx];
50 } else {
51 set_tx_key = 0;
52 /*
53 * According to the standard, the key index of a pairwise
54 * key must be zero. However, some AP are broken when it
55 * comes to WEP key indices, so we work around this.
56 */
57 if (idx != 0 && alg != ALG_WEP) {
58 printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
59 "individual key\n", dev->name);
60 return -EINVAL;
61 }
62
63 sta = sta_info_get(local, sta_addr);
64 if (!sta) {
65 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
66 DECLARE_MAC_BUF(mac);
67 printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
68 "%s\n",
69 dev->name, print_mac(mac, sta_addr));
70 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
71
72 return -ENOENT;
73 }
74
75 key = sta->key;
76 }
77
78 if (alg == ALG_NONE) {
79 ieee80211_key_free(key);
80 key = NULL;
81 } else {
82 /*
83 * Automatically frees any old key if present.
84 */
85 key = ieee80211_key_alloc(sdata, sta, alg, idx, key_len, _key);
86 if (!key) {
87 ret = -ENOMEM;
88 goto err_out;
89 }
90 }
91
92 if (set_tx_key || (!sta && !sdata->default_key && key))
93 ieee80211_set_default_key(sdata, idx);
94
95 ret = 0;
96 err_out:
97 if (sta)
98 sta_info_put(sta);
99 return ret;
100 }
101
102 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
103 struct iw_request_info *info,
104 struct iw_point *data, char *extra)
105 {
106 struct ieee80211_sub_if_data *sdata;
107 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
108
109 if (local->user_space_mlme)
110 return -EOPNOTSUPP;
111
112 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
113 if (sdata->type == IEEE80211_IF_TYPE_STA ||
114 sdata->type == IEEE80211_IF_TYPE_IBSS) {
115 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
116 if (ret)
117 return ret;
118 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
119 ieee80211_sta_req_auth(dev, &sdata->u.sta);
120 return 0;
121 }
122
123 if (sdata->type == IEEE80211_IF_TYPE_AP) {
124 kfree(sdata->u.ap.generic_elem);
125 sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
126 if (!sdata->u.ap.generic_elem)
127 return -ENOMEM;
128 memcpy(sdata->u.ap.generic_elem, extra, data->length);
129 sdata->u.ap.generic_elem_len = data->length;
130 return ieee80211_if_config(dev);
131 }
132 return -EOPNOTSUPP;
133 }
134
135 static int ieee80211_ioctl_giwname(struct net_device *dev,
136 struct iw_request_info *info,
137 char *name, char *extra)
138 {
139 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
140
141 switch (local->hw.conf.phymode) {
142 case MODE_IEEE80211A:
143 strcpy(name, "IEEE 802.11a");
144 break;
145 case MODE_IEEE80211B:
146 strcpy(name, "IEEE 802.11b");
147 break;
148 case MODE_IEEE80211G:
149 strcpy(name, "IEEE 802.11g");
150 break;
151 default:
152 strcpy(name, "IEEE 802.11");
153 break;
154 }
155
156 return 0;
157 }
158
159
160 static int ieee80211_ioctl_giwrange(struct net_device *dev,
161 struct iw_request_info *info,
162 struct iw_point *data, char *extra)
163 {
164 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
165 struct iw_range *range = (struct iw_range *) extra;
166 struct ieee80211_hw_mode *mode = NULL;
167 int c = 0;
168
169 data->length = sizeof(struct iw_range);
170 memset(range, 0, sizeof(struct iw_range));
171
172 range->we_version_compiled = WIRELESS_EXT;
173 range->we_version_source = 21;
174 range->retry_capa = IW_RETRY_LIMIT;
175 range->retry_flags = IW_RETRY_LIMIT;
176 range->min_retry = 0;
177 range->max_retry = 255;
178 range->min_rts = 0;
179 range->max_rts = 2347;
180 range->min_frag = 256;
181 range->max_frag = 2346;
182
183 range->encoding_size[0] = 5;
184 range->encoding_size[1] = 13;
185 range->num_encoding_sizes = 2;
186 range->max_encoding_tokens = NUM_DEFAULT_KEYS;
187
188 range->max_qual.qual = local->hw.max_signal;
189 range->max_qual.level = local->hw.max_rssi;
190 range->max_qual.noise = local->hw.max_noise;
191 range->max_qual.updated = local->wstats_flags;
192
193 range->avg_qual.qual = local->hw.max_signal/2;
194 range->avg_qual.level = 0;
195 range->avg_qual.noise = 0;
196 range->avg_qual.updated = local->wstats_flags;
197
198 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
199 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
200
201 list_for_each_entry(mode, &local->modes_list, list) {
202 int i = 0;
203
204 if (!(local->enabled_modes & (1 << mode->mode)) ||
205 (local->hw_modes & local->enabled_modes &
206 (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
207 continue;
208
209 while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {
210 struct ieee80211_channel *chan = &mode->channels[i];
211
212 if (chan->flag & IEEE80211_CHAN_W_SCAN) {
213 range->freq[c].i = chan->chan;
214 range->freq[c].m = chan->freq * 100000;
215 range->freq[c].e = 1;
216 c++;
217 }
218 i++;
219 }
220 }
221 range->num_channels = c;
222 range->num_frequency = c;
223
224 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
225 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
226 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
227 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
228
229 return 0;
230 }
231
232
233 static int ieee80211_ioctl_siwmode(struct net_device *dev,
234 struct iw_request_info *info,
235 __u32 *mode, char *extra)
236 {
237 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
238 int type;
239
240 if (sdata->type == IEEE80211_IF_TYPE_VLAN)
241 return -EOPNOTSUPP;
242
243 switch (*mode) {
244 case IW_MODE_INFRA:
245 type = IEEE80211_IF_TYPE_STA;
246 break;
247 case IW_MODE_ADHOC:
248 type = IEEE80211_IF_TYPE_IBSS;
249 break;
250 case IW_MODE_MONITOR:
251 type = IEEE80211_IF_TYPE_MNTR;
252 break;
253 default:
254 return -EINVAL;
255 }
256
257 if (type == sdata->type)
258 return 0;
259 if (netif_running(dev))
260 return -EBUSY;
261
262 ieee80211_if_reinit(dev);
263 ieee80211_if_set_type(dev, type);
264
265 return 0;
266 }
267
268
269 static int ieee80211_ioctl_giwmode(struct net_device *dev,
270 struct iw_request_info *info,
271 __u32 *mode, char *extra)
272 {
273 struct ieee80211_sub_if_data *sdata;
274
275 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
276 switch (sdata->type) {
277 case IEEE80211_IF_TYPE_AP:
278 *mode = IW_MODE_MASTER;
279 break;
280 case IEEE80211_IF_TYPE_STA:
281 *mode = IW_MODE_INFRA;
282 break;
283 case IEEE80211_IF_TYPE_IBSS:
284 *mode = IW_MODE_ADHOC;
285 break;
286 case IEEE80211_IF_TYPE_MNTR:
287 *mode = IW_MODE_MONITOR;
288 break;
289 case IEEE80211_IF_TYPE_WDS:
290 *mode = IW_MODE_REPEAT;
291 break;
292 case IEEE80211_IF_TYPE_VLAN:
293 *mode = IW_MODE_SECOND; /* FIXME */
294 break;
295 default:
296 *mode = IW_MODE_AUTO;
297 break;
298 }
299 return 0;
300 }
301
302 int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
303 {
304 struct ieee80211_hw_mode *mode;
305 int c, set = 0;
306 int ret = -EINVAL;
307
308 list_for_each_entry(mode, &local->modes_list, list) {
309 if (!(local->enabled_modes & (1 << mode->mode)))
310 continue;
311 for (c = 0; c < mode->num_channels; c++) {
312 struct ieee80211_channel *chan = &mode->channels[c];
313 if (chan->flag & IEEE80211_CHAN_W_SCAN &&
314 ((chan->chan == channel) || (chan->freq == freq))) {
315 local->oper_channel = chan;
316 local->oper_hw_mode = mode;
317 set++;
318 }
319 }
320 }
321
322 if (set) {
323 if (local->sta_scanning)
324 ret = 0;
325 else
326 ret = ieee80211_hw_config(local);
327
328 rate_control_clear(local);
329 }
330
331 return ret;
332 }
333
334 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
335 struct iw_request_info *info,
336 struct iw_freq *freq, char *extra)
337 {
338 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
339 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
340
341 if (sdata->type == IEEE80211_IF_TYPE_STA)
342 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
343
344 /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
345 if (freq->e == 0) {
346 if (freq->m < 0) {
347 if (sdata->type == IEEE80211_IF_TYPE_STA)
348 sdata->u.sta.flags |=
349 IEEE80211_STA_AUTO_CHANNEL_SEL;
350 return 0;
351 } else
352 return ieee80211_set_channel(local, freq->m, -1);
353 } else {
354 int i, div = 1000000;
355 for (i = 0; i < freq->e; i++)
356 div /= 10;
357 if (div > 0)
358 return ieee80211_set_channel(local, -1, freq->m / div);
359 else
360 return -EINVAL;
361 }
362 }
363
364
365 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
366 struct iw_request_info *info,
367 struct iw_freq *freq, char *extra)
368 {
369 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
370
371 /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
372 * driver for the current channel with firmware-based management */
373
374 freq->m = local->hw.conf.freq;
375 freq->e = 6;
376
377 return 0;
378 }
379
380
381 static int ieee80211_ioctl_siwessid(struct net_device *dev,
382 struct iw_request_info *info,
383 struct iw_point *data, char *ssid)
384 {
385 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
386 struct ieee80211_sub_if_data *sdata;
387 size_t len = data->length;
388
389 /* iwconfig uses nul termination in SSID.. */
390 if (len > 0 && ssid[len - 1] == '\0')
391 len--;
392
393 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
394 if (sdata->type == IEEE80211_IF_TYPE_STA ||
395 sdata->type == IEEE80211_IF_TYPE_IBSS) {
396 int ret;
397 if (local->user_space_mlme) {
398 if (len > IEEE80211_MAX_SSID_LEN)
399 return -EINVAL;
400 memcpy(sdata->u.sta.ssid, ssid, len);
401 sdata->u.sta.ssid_len = len;
402 return 0;
403 }
404 if (data->flags)
405 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
406 else
407 sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
408 ret = ieee80211_sta_set_ssid(dev, ssid, len);
409 if (ret)
410 return ret;
411 ieee80211_sta_req_auth(dev, &sdata->u.sta);
412 return 0;
413 }
414
415 if (sdata->type == IEEE80211_IF_TYPE_AP) {
416 memcpy(sdata->u.ap.ssid, ssid, len);
417 memset(sdata->u.ap.ssid + len, 0,
418 IEEE80211_MAX_SSID_LEN - len);
419 sdata->u.ap.ssid_len = len;
420 return ieee80211_if_config(dev);
421 }
422 return -EOPNOTSUPP;
423 }
424
425
426 static int ieee80211_ioctl_giwessid(struct net_device *dev,
427 struct iw_request_info *info,
428 struct iw_point *data, char *ssid)
429 {
430 size_t len;
431
432 struct ieee80211_sub_if_data *sdata;
433 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
434 if (sdata->type == IEEE80211_IF_TYPE_STA ||
435 sdata->type == IEEE80211_IF_TYPE_IBSS) {
436 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
437 if (res == 0) {
438 data->length = len;
439 data->flags = 1;
440 } else
441 data->flags = 0;
442 return res;
443 }
444
445 if (sdata->type == IEEE80211_IF_TYPE_AP) {
446 len = sdata->u.ap.ssid_len;
447 if (len > IW_ESSID_MAX_SIZE)
448 len = IW_ESSID_MAX_SIZE;
449 memcpy(ssid, sdata->u.ap.ssid, len);
450 data->length = len;
451 data->flags = 1;
452 return 0;
453 }
454 return -EOPNOTSUPP;
455 }
456
457
458 static int ieee80211_ioctl_siwap(struct net_device *dev,
459 struct iw_request_info *info,
460 struct sockaddr *ap_addr, char *extra)
461 {
462 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
463 struct ieee80211_sub_if_data *sdata;
464
465 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
466 if (sdata->type == IEEE80211_IF_TYPE_STA ||
467 sdata->type == IEEE80211_IF_TYPE_IBSS) {
468 int ret;
469 if (local->user_space_mlme) {
470 memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
471 ETH_ALEN);
472 return 0;
473 }
474 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
475 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
476 IEEE80211_STA_AUTO_CHANNEL_SEL;
477 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
478 sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
479 else
480 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
481 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
482 if (ret)
483 return ret;
484 ieee80211_sta_req_auth(dev, &sdata->u.sta);
485 return 0;
486 } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
487 if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
488 ETH_ALEN) == 0)
489 return 0;
490 return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
491 }
492
493 return -EOPNOTSUPP;
494 }
495
496
497 static int ieee80211_ioctl_giwap(struct net_device *dev,
498 struct iw_request_info *info,
499 struct sockaddr *ap_addr, char *extra)
500 {
501 struct ieee80211_sub_if_data *sdata;
502
503 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
504 if (sdata->type == IEEE80211_IF_TYPE_STA ||
505 sdata->type == IEEE80211_IF_TYPE_IBSS) {
506 ap_addr->sa_family = ARPHRD_ETHER;
507 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
508 return 0;
509 } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
510 ap_addr->sa_family = ARPHRD_ETHER;
511 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
512 return 0;
513 }
514
515 return -EOPNOTSUPP;
516 }
517
518
519 static int ieee80211_ioctl_siwscan(struct net_device *dev,
520 struct iw_request_info *info,
521 struct iw_point *data, char *extra)
522 {
523 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
524 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525 u8 *ssid = NULL;
526 size_t ssid_len = 0;
527
528 if (!netif_running(dev))
529 return -ENETDOWN;
530
531 switch (sdata->type) {
532 case IEEE80211_IF_TYPE_STA:
533 case IEEE80211_IF_TYPE_IBSS:
534 if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
535 ssid = sdata->u.sta.ssid;
536 ssid_len = sdata->u.sta.ssid_len;
537 }
538 break;
539 case IEEE80211_IF_TYPE_AP:
540 if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
541 ssid = sdata->u.ap.ssid;
542 ssid_len = sdata->u.ap.ssid_len;
543 }
544 break;
545 default:
546 return -EOPNOTSUPP;
547 }
548
549 return ieee80211_sta_req_scan(dev, ssid, ssid_len);
550 }
551
552
553 static int ieee80211_ioctl_giwscan(struct net_device *dev,
554 struct iw_request_info *info,
555 struct iw_point *data, char *extra)
556 {
557 int res;
558 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
559 if (local->sta_scanning)
560 return -EAGAIN;
561 res = ieee80211_sta_scan_results(dev, extra, data->length);
562 if (res >= 0) {
563 data->length = res;
564 return 0;
565 }
566 data->length = 0;
567 return res;
568 }
569
570
571 static int ieee80211_ioctl_siwrate(struct net_device *dev,
572 struct iw_request_info *info,
573 struct iw_param *rate, char *extra)
574 {
575 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
576 struct ieee80211_hw_mode *mode;
577 int i;
578 u32 target_rate = rate->value / 100000;
579 struct ieee80211_sub_if_data *sdata;
580
581 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
582 if (!sdata->bss)
583 return -ENODEV;
584 mode = local->oper_hw_mode;
585 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
586 * target_rate = X, rate->fixed = 1 means only rate X
587 * target_rate = X, rate->fixed = 0 means all rates <= X */
588 sdata->bss->max_ratectrl_rateidx = -1;
589 sdata->bss->force_unicast_rateidx = -1;
590 if (rate->value < 0)
591 return 0;
592 for (i=0; i< mode->num_rates; i++) {
593 struct ieee80211_rate *rates = &mode->rates[i];
594 int this_rate = rates->rate;
595
596 if (target_rate == this_rate) {
597 sdata->bss->max_ratectrl_rateidx = i;
598 if (rate->fixed)
599 sdata->bss->force_unicast_rateidx = i;
600 break;
601 }
602 }
603 return 0;
604 }
605
606 static int ieee80211_ioctl_giwrate(struct net_device *dev,
607 struct iw_request_info *info,
608 struct iw_param *rate, char *extra)
609 {
610 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
611 struct sta_info *sta;
612 struct ieee80211_sub_if_data *sdata;
613
614 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
615 if (sdata->type == IEEE80211_IF_TYPE_STA)
616 sta = sta_info_get(local, sdata->u.sta.bssid);
617 else
618 return -EOPNOTSUPP;
619 if (!sta)
620 return -ENODEV;
621 if (sta->txrate < local->oper_hw_mode->num_rates)
622 rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
623 else
624 rate->value = 0;
625 sta_info_put(sta);
626 return 0;
627 }
628
629 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
630 struct iw_request_info *info,
631 union iwreq_data *data, char *extra)
632 {
633 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
634 bool need_reconfig = 0;
635
636 if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
637 return -EINVAL;
638 if (data->txpower.flags & IW_TXPOW_RANGE)
639 return -EINVAL;
640 if (!data->txpower.fixed)
641 return -EINVAL;
642
643 if (local->hw.conf.power_level != data->txpower.value) {
644 local->hw.conf.power_level = data->txpower.value;
645 need_reconfig = 1;
646 }
647 if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
648 local->hw.conf.radio_enabled = !(data->txpower.disabled);
649 need_reconfig = 1;
650 }
651 if (need_reconfig) {
652 ieee80211_hw_config(local);
653 /* The return value of hw_config is not of big interest here,
654 * as it doesn't say that it failed because of _this_ config
655 * change or something else. Ignore it. */
656 }
657
658 return 0;
659 }
660
661 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
662 struct iw_request_info *info,
663 union iwreq_data *data, char *extra)
664 {
665 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
666
667 data->txpower.fixed = 1;
668 data->txpower.disabled = !(local->hw.conf.radio_enabled);
669 data->txpower.value = local->hw.conf.power_level;
670 data->txpower.flags = IW_TXPOW_DBM;
671
672 return 0;
673 }
674
675 static int ieee80211_ioctl_siwrts(struct net_device *dev,
676 struct iw_request_info *info,
677 struct iw_param *rts, char *extra)
678 {
679 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
680
681 if (rts->disabled)
682 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
683 else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
684 return -EINVAL;
685 else
686 local->rts_threshold = rts->value;
687
688 /* If the wlan card performs RTS/CTS in hardware/firmware,
689 * configure it here */
690
691 if (local->ops->set_rts_threshold)
692 local->ops->set_rts_threshold(local_to_hw(local),
693 local->rts_threshold);
694
695 return 0;
696 }
697
698 static int ieee80211_ioctl_giwrts(struct net_device *dev,
699 struct iw_request_info *info,
700 struct iw_param *rts, char *extra)
701 {
702 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
703
704 rts->value = local->rts_threshold;
705 rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
706 rts->fixed = 1;
707
708 return 0;
709 }
710
711
712 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
713 struct iw_request_info *info,
714 struct iw_param *frag, char *extra)
715 {
716 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
717
718 if (frag->disabled)
719 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
720 else if (frag->value < 256 ||
721 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
722 return -EINVAL;
723 else {
724 /* Fragment length must be even, so strip LSB. */
725 local->fragmentation_threshold = frag->value & ~0x1;
726 }
727
728 /* If the wlan card performs fragmentation in hardware/firmware,
729 * configure it here */
730
731 if (local->ops->set_frag_threshold)
732 local->ops->set_frag_threshold(
733 local_to_hw(local),
734 local->fragmentation_threshold);
735
736 return 0;
737 }
738
739 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
740 struct iw_request_info *info,
741 struct iw_param *frag, char *extra)
742 {
743 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
744
745 frag->value = local->fragmentation_threshold;
746 frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
747 frag->fixed = 1;
748
749 return 0;
750 }
751
752
753 static int ieee80211_ioctl_siwretry(struct net_device *dev,
754 struct iw_request_info *info,
755 struct iw_param *retry, char *extra)
756 {
757 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
758
759 if (retry->disabled ||
760 (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
761 return -EINVAL;
762
763 if (retry->flags & IW_RETRY_MAX)
764 local->long_retry_limit = retry->value;
765 else if (retry->flags & IW_RETRY_MIN)
766 local->short_retry_limit = retry->value;
767 else {
768 local->long_retry_limit = retry->value;
769 local->short_retry_limit = retry->value;
770 }
771
772 if (local->ops->set_retry_limit) {
773 return local->ops->set_retry_limit(
774 local_to_hw(local),
775 local->short_retry_limit,
776 local->long_retry_limit);
777 }
778
779 return 0;
780 }
781
782
783 static int ieee80211_ioctl_giwretry(struct net_device *dev,
784 struct iw_request_info *info,
785 struct iw_param *retry, char *extra)
786 {
787 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
788
789 retry->disabled = 0;
790 if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
791 /* first return min value, iwconfig will ask max value
792 * later if needed */
793 retry->flags |= IW_RETRY_LIMIT;
794 retry->value = local->short_retry_limit;
795 if (local->long_retry_limit != local->short_retry_limit)
796 retry->flags |= IW_RETRY_MIN;
797 return 0;
798 }
799 if (retry->flags & IW_RETRY_MAX) {
800 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
801 retry->value = local->long_retry_limit;
802 }
803
804 return 0;
805 }
806
807 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
808 struct iw_request_info *info,
809 struct iw_point *data, char *extra)
810 {
811 struct ieee80211_sub_if_data *sdata;
812 struct iw_mlme *mlme = (struct iw_mlme *) extra;
813
814 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
815 if (sdata->type != IEEE80211_IF_TYPE_STA &&
816 sdata->type != IEEE80211_IF_TYPE_IBSS)
817 return -EINVAL;
818
819 switch (mlme->cmd) {
820 case IW_MLME_DEAUTH:
821 /* TODO: mlme->addr.sa_data */
822 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
823 case IW_MLME_DISASSOC:
824 /* TODO: mlme->addr.sa_data */
825 return ieee80211_sta_disassociate(dev, mlme->reason_code);
826 default:
827 return -EOPNOTSUPP;
828 }
829 }
830
831
832 static int ieee80211_ioctl_siwencode(struct net_device *dev,
833 struct iw_request_info *info,
834 struct iw_point *erq, char *keybuf)
835 {
836 struct ieee80211_sub_if_data *sdata;
837 int idx, i, alg = ALG_WEP;
838 u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
839
840 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
841
842 idx = erq->flags & IW_ENCODE_INDEX;
843 if (idx == 0) {
844 if (sdata->default_key)
845 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
846 if (sdata->default_key == sdata->keys[i]) {
847 idx = i;
848 break;
849 }
850 }
851 } else if (idx < 1 || idx > 4)
852 return -EINVAL;
853 else
854 idx--;
855
856 if (erq->flags & IW_ENCODE_DISABLED)
857 alg = ALG_NONE;
858 else if (erq->length == 0) {
859 /* No key data - just set the default TX key index */
860 ieee80211_set_default_key(sdata, idx);
861 return 0;
862 }
863
864 return ieee80211_set_encryption(
865 dev, bcaddr,
866 idx, alg,
867 !sdata->default_key,
868 keybuf, erq->length);
869 }
870
871
872 static int ieee80211_ioctl_giwencode(struct net_device *dev,
873 struct iw_request_info *info,
874 struct iw_point *erq, char *key)
875 {
876 struct ieee80211_sub_if_data *sdata;
877 int idx, i;
878
879 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
880
881 idx = erq->flags & IW_ENCODE_INDEX;
882 if (idx < 1 || idx > 4) {
883 idx = -1;
884 if (!sdata->default_key)
885 idx = 0;
886 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
887 if (sdata->default_key == sdata->keys[i]) {
888 idx = i;
889 break;
890 }
891 }
892 if (idx < 0)
893 return -EINVAL;
894 } else
895 idx--;
896
897 erq->flags = idx + 1;
898
899 if (!sdata->keys[idx]) {
900 erq->length = 0;
901 erq->flags |= IW_ENCODE_DISABLED;
902 return 0;
903 }
904
905 memcpy(key, sdata->keys[idx]->conf.key,
906 min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
907 erq->length = sdata->keys[idx]->conf.keylen;
908 erq->flags |= IW_ENCODE_ENABLED;
909
910 return 0;
911 }
912
913 static int ieee80211_ioctl_siwauth(struct net_device *dev,
914 struct iw_request_info *info,
915 struct iw_param *data, char *extra)
916 {
917 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
919 int ret = 0;
920
921 switch (data->flags & IW_AUTH_INDEX) {
922 case IW_AUTH_WPA_VERSION:
923 case IW_AUTH_CIPHER_PAIRWISE:
924 case IW_AUTH_CIPHER_GROUP:
925 case IW_AUTH_WPA_ENABLED:
926 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
927 break;
928 case IW_AUTH_KEY_MGMT:
929 if (sdata->type != IEEE80211_IF_TYPE_STA)
930 ret = -EINVAL;
931 else {
932 /*
933 * Key management was set by wpa_supplicant,
934 * we only need this to associate to a network
935 * that has privacy enabled regardless of not
936 * having a key.
937 */
938 sdata->u.sta.key_management_enabled = !!data->value;
939 }
940 break;
941 case IW_AUTH_80211_AUTH_ALG:
942 if (sdata->type == IEEE80211_IF_TYPE_STA ||
943 sdata->type == IEEE80211_IF_TYPE_IBSS)
944 sdata->u.sta.auth_algs = data->value;
945 else
946 ret = -EOPNOTSUPP;
947 break;
948 case IW_AUTH_PRIVACY_INVOKED:
949 if (local->ops->set_privacy_invoked)
950 ret = local->ops->set_privacy_invoked(
951 local_to_hw(local), data->value);
952 break;
953 default:
954 ret = -EOPNOTSUPP;
955 break;
956 }
957 return ret;
958 }
959
960 /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
961 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
962 {
963 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
964 struct iw_statistics *wstats = &local->wstats;
965 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
966 struct sta_info *sta = NULL;
967
968 if (sdata->type == IEEE80211_IF_TYPE_STA ||
969 sdata->type == IEEE80211_IF_TYPE_IBSS)
970 sta = sta_info_get(local, sdata->u.sta.bssid);
971 if (!sta) {
972 wstats->discard.fragment = 0;
973 wstats->discard.misc = 0;
974 wstats->qual.qual = 0;
975 wstats->qual.level = 0;
976 wstats->qual.noise = 0;
977 wstats->qual.updated = IW_QUAL_ALL_INVALID;
978 } else {
979 wstats->qual.level = sta->last_rssi;
980 wstats->qual.qual = sta->last_signal;
981 wstats->qual.noise = sta->last_noise;
982 wstats->qual.updated = local->wstats_flags;
983 sta_info_put(sta);
984 }
985 return wstats;
986 }
987
988 static int ieee80211_ioctl_giwauth(struct net_device *dev,
989 struct iw_request_info *info,
990 struct iw_param *data, char *extra)
991 {
992 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
993 int ret = 0;
994
995 switch (data->flags & IW_AUTH_INDEX) {
996 case IW_AUTH_80211_AUTH_ALG:
997 if (sdata->type == IEEE80211_IF_TYPE_STA ||
998 sdata->type == IEEE80211_IF_TYPE_IBSS)
999 data->value = sdata->u.sta.auth_algs;
1000 else
1001 ret = -EOPNOTSUPP;
1002 break;
1003 default:
1004 ret = -EOPNOTSUPP;
1005 break;
1006 }
1007 return ret;
1008 }
1009
1010
1011 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1012 struct iw_request_info *info,
1013 struct iw_point *erq, char *extra)
1014 {
1015 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1016 struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1017 int alg, idx, i;
1018
1019 switch (ext->alg) {
1020 case IW_ENCODE_ALG_NONE:
1021 alg = ALG_NONE;
1022 break;
1023 case IW_ENCODE_ALG_WEP:
1024 alg = ALG_WEP;
1025 break;
1026 case IW_ENCODE_ALG_TKIP:
1027 alg = ALG_TKIP;
1028 break;
1029 case IW_ENCODE_ALG_CCMP:
1030 alg = ALG_CCMP;
1031 break;
1032 default:
1033 return -EOPNOTSUPP;
1034 }
1035
1036 if (erq->flags & IW_ENCODE_DISABLED)
1037 alg = ALG_NONE;
1038
1039 idx = erq->flags & IW_ENCODE_INDEX;
1040 if (idx < 1 || idx > 4) {
1041 idx = -1;
1042 if (!sdata->default_key)
1043 idx = 0;
1044 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1045 if (sdata->default_key == sdata->keys[i]) {
1046 idx = i;
1047 break;
1048 }
1049 }
1050 if (idx < 0)
1051 return -EINVAL;
1052 } else
1053 idx--;
1054
1055 return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1056 ext->ext_flags &
1057 IW_ENCODE_EXT_SET_TX_KEY,
1058 ext->key, ext->key_len);
1059 }
1060
1061
1062 /* Structures to export the Wireless Handlers */
1063
1064 static const iw_handler ieee80211_handler[] =
1065 {
1066 (iw_handler) NULL, /* SIOCSIWCOMMIT */
1067 (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
1068 (iw_handler) NULL, /* SIOCSIWNWID */
1069 (iw_handler) NULL, /* SIOCGIWNWID */
1070 (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
1071 (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
1072 (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
1073 (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
1074 (iw_handler) NULL, /* SIOCSIWSENS */
1075 (iw_handler) NULL, /* SIOCGIWSENS */
1076 (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
1077 (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
1078 (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
1079 (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
1080 (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
1081 (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
1082 (iw_handler) NULL, /* SIOCSIWSPY */
1083 (iw_handler) NULL, /* SIOCGIWSPY */
1084 (iw_handler) NULL, /* SIOCSIWTHRSPY */
1085 (iw_handler) NULL, /* SIOCGIWTHRSPY */
1086 (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
1087 (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
1088 (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
1089 (iw_handler) NULL, /* SIOCGIWAPLIST */
1090 (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
1091 (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
1092 (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
1093 (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
1094 (iw_handler) NULL, /* SIOCSIWNICKN */
1095 (iw_handler) NULL, /* SIOCGIWNICKN */
1096 (iw_handler) NULL, /* -- hole -- */
1097 (iw_handler) NULL, /* -- hole -- */
1098 (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
1099 (iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
1100 (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
1101 (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
1102 (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
1103 (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
1104 (iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
1105 (iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
1106 (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
1107 (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
1108 (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
1109 (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
1110 (iw_handler) NULL, /* SIOCSIWPOWER */
1111 (iw_handler) NULL, /* SIOCGIWPOWER */
1112 (iw_handler) NULL, /* -- hole -- */
1113 (iw_handler) NULL, /* -- hole -- */
1114 (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
1115 (iw_handler) NULL, /* SIOCGIWGENIE */
1116 (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
1117 (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
1118 (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
1119 (iw_handler) NULL, /* SIOCGIWENCODEEXT */
1120 (iw_handler) NULL, /* SIOCSIWPMKSA */
1121 (iw_handler) NULL, /* -- hole -- */
1122 };
1123
1124 const struct iw_handler_def ieee80211_iw_handler_def =
1125 {
1126 .num_standard = ARRAY_SIZE(ieee80211_handler),
1127 .standard = (iw_handler *) ieee80211_handler,
1128 .get_wireless_stats = ieee80211_get_wireless_stats,
1129 };
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree