Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
fee52678 JB |
2 | /* |
3 | * cfg80211 - wext compat code | |
4 | * | |
5 | * This is temporary code until all wireless functionality is migrated | |
6 | * into cfg80211, when that happens all the exports here go away and | |
7 | * we directly assign the wireless handlers of wireless interfaces. | |
8 | * | |
08645126 | 9 | * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net> |
7b0a0e3c | 10 | * Copyright (C) 2019-2022 Intel Corporation |
fee52678 JB |
11 | */ |
12 | ||
bc3b2d7f | 13 | #include <linux/export.h> |
fee52678 JB |
14 | #include <linux/wireless.h> |
15 | #include <linux/nl80211.h> | |
691597cb | 16 | #include <linux/if_arp.h> |
08645126 | 17 | #include <linux/etherdevice.h> |
5a0e3ad6 | 18 | #include <linux/slab.h> |
fee52678 | 19 | #include <net/iw_handler.h> |
fee52678 | 20 | #include <net/cfg80211.h> |
262eb9b2 | 21 | #include <net/cfg80211-wext.h> |
0e82ffe3 | 22 | #include "wext-compat.h" |
fee52678 | 23 | #include "core.h" |
e35e4d28 | 24 | #include "rdev-ops.h" |
fee52678 JB |
25 | |
26 | int cfg80211_wext_giwname(struct net_device *dev, | |
27 | struct iw_request_info *info, | |
02ae6a70 | 28 | union iwreq_data *wrqu, char *extra) |
fee52678 | 29 | { |
02ae6a70 | 30 | strcpy(wrqu->name, "IEEE 802.11"); |
fee52678 JB |
31 | return 0; |
32 | } | |
2afe38d1 | 33 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwname); |
e60c7744 JB |
34 | |
35 | int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, | |
02ae6a70 | 36 | union iwreq_data *wrqu, char *extra) |
e60c7744 | 37 | { |
02ae6a70 | 38 | __u32 *mode = &wrqu->mode; |
e60c7744 JB |
39 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
40 | struct cfg80211_registered_device *rdev; | |
41 | struct vif_params vifparams; | |
42 | enum nl80211_iftype type; | |
bae17356 | 43 | int ret; |
e60c7744 | 44 | |
f26cbf40 | 45 | rdev = wiphy_to_rdev(wdev->wiphy); |
e60c7744 | 46 | |
e60c7744 JB |
47 | switch (*mode) { |
48 | case IW_MODE_INFRA: | |
49 | type = NL80211_IFTYPE_STATION; | |
50 | break; | |
51 | case IW_MODE_ADHOC: | |
52 | type = NL80211_IFTYPE_ADHOC; | |
53 | break; | |
e60c7744 JB |
54 | case IW_MODE_MONITOR: |
55 | type = NL80211_IFTYPE_MONITOR; | |
56 | break; | |
57 | default: | |
58 | return -EINVAL; | |
59 | } | |
60 | ||
ac7f9cfa JB |
61 | if (type == wdev->iftype) |
62 | return 0; | |
63 | ||
e60c7744 JB |
64 | memset(&vifparams, 0, sizeof(vifparams)); |
65 | ||
bae17356 JB |
66 | wiphy_lock(wdev->wiphy); |
67 | ret = cfg80211_change_iface(rdev, dev, type, &vifparams); | |
68 | wiphy_unlock(wdev->wiphy); | |
69 | ||
70 | return ret; | |
e60c7744 | 71 | } |
2afe38d1 | 72 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); |
e60c7744 JB |
73 | |
74 | int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, | |
02ae6a70 | 75 | union iwreq_data *wrqu, char *extra) |
e60c7744 | 76 | { |
02ae6a70 | 77 | __u32 *mode = &wrqu->mode; |
e60c7744 JB |
78 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
79 | ||
80 | if (!wdev) | |
81 | return -EOPNOTSUPP; | |
82 | ||
83 | switch (wdev->iftype) { | |
84 | case NL80211_IFTYPE_AP: | |
85 | *mode = IW_MODE_MASTER; | |
86 | break; | |
87 | case NL80211_IFTYPE_STATION: | |
88 | *mode = IW_MODE_INFRA; | |
89 | break; | |
90 | case NL80211_IFTYPE_ADHOC: | |
91 | *mode = IW_MODE_ADHOC; | |
92 | break; | |
93 | case NL80211_IFTYPE_MONITOR: | |
94 | *mode = IW_MODE_MONITOR; | |
95 | break; | |
96 | case NL80211_IFTYPE_WDS: | |
97 | *mode = IW_MODE_REPEAT; | |
98 | break; | |
99 | case NL80211_IFTYPE_AP_VLAN: | |
100 | *mode = IW_MODE_SECOND; /* FIXME */ | |
101 | break; | |
102 | default: | |
103 | *mode = IW_MODE_AUTO; | |
104 | break; | |
105 | } | |
106 | return 0; | |
107 | } | |
2afe38d1 | 108 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode); |
4aa188e1 JB |
109 | |
110 | ||
111 | int cfg80211_wext_giwrange(struct net_device *dev, | |
112 | struct iw_request_info *info, | |
02ae6a70 | 113 | union iwreq_data *wrqu, char *extra) |
4aa188e1 | 114 | { |
02ae6a70 | 115 | struct iw_point *data = &wrqu->data; |
4aa188e1 JB |
116 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
117 | struct iw_range *range = (struct iw_range *) extra; | |
57fbcce3 | 118 | enum nl80211_band band; |
9834c079 | 119 | int i, c = 0; |
4aa188e1 JB |
120 | |
121 | if (!wdev) | |
122 | return -EOPNOTSUPP; | |
123 | ||
124 | data->length = sizeof(struct iw_range); | |
125 | memset(range, 0, sizeof(struct iw_range)); | |
126 | ||
127 | range->we_version_compiled = WIRELESS_EXT; | |
128 | range->we_version_source = 21; | |
129 | range->retry_capa = IW_RETRY_LIMIT; | |
130 | range->retry_flags = IW_RETRY_LIMIT; | |
131 | range->min_retry = 0; | |
132 | range->max_retry = 255; | |
133 | range->min_rts = 0; | |
134 | range->max_rts = 2347; | |
135 | range->min_frag = 256; | |
136 | range->max_frag = 2346; | |
137 | ||
4aa188e1 JB |
138 | range->max_encoding_tokens = 4; |
139 | ||
140 | range->max_qual.updated = IW_QUAL_NOISE_INVALID; | |
141 | ||
142 | switch (wdev->wiphy->signal_type) { | |
143 | case CFG80211_SIGNAL_TYPE_NONE: | |
144 | break; | |
145 | case CFG80211_SIGNAL_TYPE_MBM: | |
e7d83ed8 | 146 | range->max_qual.level = (u8)-110; |
4aa188e1 JB |
147 | range->max_qual.qual = 70; |
148 | range->avg_qual.qual = 35; | |
149 | range->max_qual.updated |= IW_QUAL_DBM; | |
150 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
151 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
152 | break; | |
153 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
154 | range->max_qual.level = 100; | |
155 | range->max_qual.qual = 100; | |
156 | range->avg_qual.qual = 50; | |
157 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
158 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
159 | break; | |
160 | } | |
161 | ||
162 | range->avg_qual.level = range->max_qual.level / 2; | |
163 | range->avg_qual.noise = range->max_qual.noise / 2; | |
164 | range->avg_qual.updated = range->max_qual.updated; | |
165 | ||
9834c079 JB |
166 | for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { |
167 | switch (wdev->wiphy->cipher_suites[i]) { | |
3daf0975 | 168 | case WLAN_CIPHER_SUITE_TKIP: |
27bea66c DK |
169 | range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | |
170 | IW_ENC_CAPA_WPA); | |
3daf0975 DK |
171 | break; |
172 | ||
173 | case WLAN_CIPHER_SUITE_CCMP: | |
27bea66c DK |
174 | range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | |
175 | IW_ENC_CAPA_WPA2); | |
3daf0975 | 176 | break; |
2ab658f9 DK |
177 | |
178 | case WLAN_CIPHER_SUITE_WEP40: | |
179 | range->encoding_size[range->num_encoding_sizes++] = | |
180 | WLAN_KEY_LEN_WEP40; | |
181 | break; | |
182 | ||
183 | case WLAN_CIPHER_SUITE_WEP104: | |
184 | range->encoding_size[range->num_encoding_sizes++] = | |
185 | WLAN_KEY_LEN_WEP104; | |
186 | break; | |
3daf0975 DK |
187 | } |
188 | } | |
4aa188e1 | 189 | |
57fbcce3 | 190 | for (band = 0; band < NUM_NL80211_BANDS; band ++) { |
4aa188e1 JB |
191 | struct ieee80211_supported_band *sband; |
192 | ||
193 | sband = wdev->wiphy->bands[band]; | |
194 | ||
195 | if (!sband) | |
196 | continue; | |
197 | ||
198 | for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { | |
199 | struct ieee80211_channel *chan = &sband->channels[i]; | |
200 | ||
201 | if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { | |
202 | range->freq[c].i = | |
203 | ieee80211_frequency_to_channel( | |
204 | chan->center_freq); | |
205 | range->freq[c].m = chan->center_freq; | |
206 | range->freq[c].e = 6; | |
207 | c++; | |
208 | } | |
209 | } | |
210 | } | |
211 | range->num_channels = c; | |
212 | range->num_frequency = c; | |
213 | ||
214 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); | |
215 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); | |
216 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
217 | ||
51cd4aab DK |
218 | if (wdev->wiphy->max_scan_ssids > 0) |
219 | range->scan_capa |= IW_SCAN_CAPA_ESSID; | |
4aa188e1 JB |
220 | |
221 | return 0; | |
222 | } | |
2afe38d1 | 223 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange); |
691597cb | 224 | |
04a773ad JB |
225 | |
226 | /** | |
227 | * cfg80211_wext_freq - get wext frequency for non-"auto" | |
04a773ad JB |
228 | * @freq: the wext freq encoding |
229 | * | |
59bbb6f7 | 230 | * Returns a frequency, or a negative error code, or 0 for auto. |
04a773ad | 231 | */ |
96998e3a | 232 | int cfg80211_wext_freq(struct iw_freq *freq) |
04a773ad | 233 | { |
0b258582 | 234 | /* |
59bbb6f7 | 235 | * Parse frequency - return 0 for auto and |
0b258582 JB |
236 | * -EINVAL for impossible things. |
237 | */ | |
04a773ad | 238 | if (freq->e == 0) { |
57fbcce3 | 239 | enum nl80211_band band = NL80211_BAND_2GHZ; |
04a773ad | 240 | if (freq->m < 0) |
59bbb6f7 | 241 | return 0; |
59eb21a6 | 242 | if (freq->m > 14) |
57fbcce3 | 243 | band = NL80211_BAND_5GHZ; |
59eb21a6 | 244 | return ieee80211_channel_to_frequency(freq->m, band); |
04a773ad JB |
245 | } else { |
246 | int i, div = 1000000; | |
247 | for (i = 0; i < freq->e; i++) | |
248 | div /= 10; | |
0b258582 | 249 | if (div <= 0) |
59bbb6f7 JB |
250 | return -EINVAL; |
251 | return freq->m / div; | |
04a773ad | 252 | } |
04a773ad | 253 | } |
b9a5f8ca JM |
254 | |
255 | int cfg80211_wext_siwrts(struct net_device *dev, | |
256 | struct iw_request_info *info, | |
02ae6a70 | 257 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 258 | { |
02ae6a70 | 259 | struct iw_param *rts = &wrqu->rts; |
b9a5f8ca | 260 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 261 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
b9a5f8ca JM |
262 | u32 orts = wdev->wiphy->rts_threshold; |
263 | int err; | |
264 | ||
a05829a7 JB |
265 | wiphy_lock(&rdev->wiphy); |
266 | if (rts->disabled || !rts->fixed) { | |
b9a5f8ca | 267 | wdev->wiphy->rts_threshold = (u32) -1; |
a05829a7 JB |
268 | } else if (rts->value < 0) { |
269 | err = -EINVAL; | |
270 | goto out; | |
271 | } else { | |
b9a5f8ca | 272 | wdev->wiphy->rts_threshold = rts->value; |
a05829a7 | 273 | } |
b9a5f8ca | 274 | |
e35e4d28 | 275 | err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); |
a05829a7 | 276 | |
b9a5f8ca JM |
277 | if (err) |
278 | wdev->wiphy->rts_threshold = orts; | |
279 | ||
a05829a7 JB |
280 | out: |
281 | wiphy_unlock(&rdev->wiphy); | |
b9a5f8ca JM |
282 | return err; |
283 | } | |
2afe38d1 | 284 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); |
b9a5f8ca JM |
285 | |
286 | int cfg80211_wext_giwrts(struct net_device *dev, | |
287 | struct iw_request_info *info, | |
02ae6a70 | 288 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 289 | { |
02ae6a70 | 290 | struct iw_param *rts = &wrqu->rts; |
b9a5f8ca JM |
291 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
292 | ||
293 | rts->value = wdev->wiphy->rts_threshold; | |
294 | rts->disabled = rts->value == (u32) -1; | |
295 | rts->fixed = 1; | |
296 | ||
297 | return 0; | |
298 | } | |
2afe38d1 | 299 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts); |
b9a5f8ca JM |
300 | |
301 | int cfg80211_wext_siwfrag(struct net_device *dev, | |
302 | struct iw_request_info *info, | |
02ae6a70 | 303 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 304 | { |
02ae6a70 | 305 | struct iw_param *frag = &wrqu->frag; |
b9a5f8ca | 306 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 307 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
b9a5f8ca JM |
308 | u32 ofrag = wdev->wiphy->frag_threshold; |
309 | int err; | |
310 | ||
a05829a7 JB |
311 | wiphy_lock(&rdev->wiphy); |
312 | if (frag->disabled || !frag->fixed) { | |
b9a5f8ca | 313 | wdev->wiphy->frag_threshold = (u32) -1; |
a05829a7 JB |
314 | } else if (frag->value < 256) { |
315 | err = -EINVAL; | |
316 | goto out; | |
317 | } else { | |
b9a5f8ca JM |
318 | /* Fragment length must be even, so strip LSB. */ |
319 | wdev->wiphy->frag_threshold = frag->value & ~0x1; | |
320 | } | |
321 | ||
e35e4d28 | 322 | err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); |
b9a5f8ca JM |
323 | if (err) |
324 | wdev->wiphy->frag_threshold = ofrag; | |
a05829a7 JB |
325 | out: |
326 | wiphy_unlock(&rdev->wiphy); | |
b9a5f8ca JM |
327 | |
328 | return err; | |
329 | } | |
2afe38d1 | 330 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); |
b9a5f8ca JM |
331 | |
332 | int cfg80211_wext_giwfrag(struct net_device *dev, | |
333 | struct iw_request_info *info, | |
02ae6a70 | 334 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 335 | { |
02ae6a70 | 336 | struct iw_param *frag = &wrqu->frag; |
b9a5f8ca JM |
337 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
338 | ||
339 | frag->value = wdev->wiphy->frag_threshold; | |
340 | frag->disabled = frag->value == (u32) -1; | |
341 | frag->fixed = 1; | |
342 | ||
343 | return 0; | |
344 | } | |
2afe38d1 | 345 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag); |
b9a5f8ca | 346 | |
04b0c5c6 JB |
347 | static int cfg80211_wext_siwretry(struct net_device *dev, |
348 | struct iw_request_info *info, | |
02ae6a70 | 349 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 350 | { |
02ae6a70 | 351 | struct iw_param *retry = &wrqu->retry; |
b9a5f8ca | 352 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 353 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
b9a5f8ca JM |
354 | u32 changed = 0; |
355 | u8 olong = wdev->wiphy->retry_long; | |
356 | u8 oshort = wdev->wiphy->retry_short; | |
357 | int err; | |
358 | ||
f5aa0d21 | 359 | if (retry->disabled || retry->value < 1 || retry->value > 255 || |
b9a5f8ca JM |
360 | (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) |
361 | return -EINVAL; | |
362 | ||
a05829a7 | 363 | wiphy_lock(&rdev->wiphy); |
b9a5f8ca JM |
364 | if (retry->flags & IW_RETRY_LONG) { |
365 | wdev->wiphy->retry_long = retry->value; | |
366 | changed |= WIPHY_PARAM_RETRY_LONG; | |
367 | } else if (retry->flags & IW_RETRY_SHORT) { | |
368 | wdev->wiphy->retry_short = retry->value; | |
369 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
370 | } else { | |
371 | wdev->wiphy->retry_short = retry->value; | |
372 | wdev->wiphy->retry_long = retry->value; | |
373 | changed |= WIPHY_PARAM_RETRY_LONG; | |
374 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
375 | } | |
376 | ||
e35e4d28 | 377 | err = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
378 | if (err) { |
379 | wdev->wiphy->retry_short = oshort; | |
380 | wdev->wiphy->retry_long = olong; | |
381 | } | |
a05829a7 | 382 | wiphy_unlock(&rdev->wiphy); |
b9a5f8ca JM |
383 | |
384 | return err; | |
385 | } | |
b9a5f8ca JM |
386 | |
387 | int cfg80211_wext_giwretry(struct net_device *dev, | |
388 | struct iw_request_info *info, | |
02ae6a70 | 389 | union iwreq_data *wrqu, char *extra) |
b9a5f8ca | 390 | { |
02ae6a70 | 391 | struct iw_param *retry = &wrqu->retry; |
b9a5f8ca JM |
392 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
393 | ||
394 | retry->disabled = 0; | |
395 | ||
396 | if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { | |
397 | /* | |
398 | * First return short value, iwconfig will ask long value | |
399 | * later if needed | |
400 | */ | |
60a4fe0a | 401 | retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; |
b9a5f8ca | 402 | retry->value = wdev->wiphy->retry_short; |
60a4fe0a | 403 | if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) |
b9a5f8ca JM |
404 | retry->flags |= IW_RETRY_LONG; |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | if (retry->flags & IW_RETRY_LONG) { | |
410 | retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; | |
411 | retry->value = wdev->wiphy->retry_long; | |
412 | } | |
413 | ||
414 | return 0; | |
415 | } | |
2afe38d1 | 416 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry); |
08645126 | 417 | |
fffd0934 | 418 | static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, |
e31b8213 JB |
419 | struct net_device *dev, bool pairwise, |
420 | const u8 *addr, bool remove, bool tx_key, | |
421 | int idx, struct key_params *params) | |
08645126 JB |
422 | { |
423 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
fffd0934 | 424 | int err, i; |
98d3a7ca | 425 | bool rejoin = false; |
fffd0934 | 426 | |
7b0a0e3c JB |
427 | if (wdev->valid_links) |
428 | return -EINVAL; | |
429 | ||
e31b8213 JB |
430 | if (pairwise && !addr) |
431 | return -EINVAL; | |
432 | ||
8f7d99ba JB |
433 | /* |
434 | * In many cases we won't actually need this, but it's better | |
435 | * to do it first in case the allocation fails. Don't use wext. | |
436 | */ | |
fffd0934 JB |
437 | if (!wdev->wext.keys) { |
438 | wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), | |
89b706fb | 439 | GFP_KERNEL); |
fffd0934 JB |
440 | if (!wdev->wext.keys) |
441 | return -ENOMEM; | |
585b6e13 | 442 | for (i = 0; i < 4; i++) |
fffd0934 JB |
443 | wdev->wext.keys->params[i].key = |
444 | wdev->wext.keys->data[i]; | |
445 | } | |
446 | ||
447 | if (wdev->iftype != NL80211_IFTYPE_ADHOC && | |
448 | wdev->iftype != NL80211_IFTYPE_STATION) | |
449 | return -EOPNOTSUPP; | |
08645126 JB |
450 | |
451 | if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { | |
7b0a0e3c | 452 | if (!wdev->connected) |
fffd0934 JB |
453 | return -ENOLINK; |
454 | ||
08645126 JB |
455 | if (!rdev->ops->set_default_mgmt_key) |
456 | return -EOPNOTSUPP; | |
457 | ||
458 | if (idx < 4 || idx > 5) | |
459 | return -EINVAL; | |
460 | } else if (idx < 0 || idx > 3) | |
461 | return -EINVAL; | |
462 | ||
463 | if (remove) { | |
fffd0934 | 464 | err = 0; |
7b0a0e3c JB |
465 | if (wdev->connected || |
466 | (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
467 | wdev->u.ibss.current_bss)) { | |
98d3a7ca JB |
468 | /* |
469 | * If removing the current TX key, we will need to | |
470 | * join a new IBSS without the privacy bit clear. | |
471 | */ | |
472 | if (idx == wdev->wext.default_key && | |
473 | wdev->iftype == NL80211_IFTYPE_ADHOC) { | |
474 | __cfg80211_leave_ibss(rdev, wdev->netdev, true); | |
475 | rejoin = true; | |
476 | } | |
e31b8213 JB |
477 | |
478 | if (!pairwise && addr && | |
479 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
480 | err = -ENOENT; | |
481 | else | |
e7a7b84e | 482 | err = rdev_del_key(rdev, dev, -1, idx, pairwise, |
e35e4d28 | 483 | addr); |
98d3a7ca | 484 | } |
d55fb891 | 485 | wdev->wext.connect.privacy = false; |
98d3a7ca JB |
486 | /* |
487 | * Applications using wireless extensions expect to be | |
488 | * able to delete keys that don't exist, so allow that. | |
489 | */ | |
490 | if (err == -ENOENT) | |
491 | err = 0; | |
08645126 | 492 | if (!err) { |
89b706fb | 493 | if (!addr && idx < 4) { |
538c9eb8 JB |
494 | memset(wdev->wext.keys->data[idx], 0, |
495 | sizeof(wdev->wext.keys->data[idx])); | |
fffd0934 JB |
496 | wdev->wext.keys->params[idx].key_len = 0; |
497 | wdev->wext.keys->params[idx].cipher = 0; | |
498 | } | |
08645126 JB |
499 | if (idx == wdev->wext.default_key) |
500 | wdev->wext.default_key = -1; | |
501 | else if (idx == wdev->wext.default_mgmt_key) | |
502 | wdev->wext.default_mgmt_key = -1; | |
503 | } | |
98d3a7ca JB |
504 | |
505 | if (!err && rejoin) | |
506 | err = cfg80211_ibss_wext_join(rdev, wdev); | |
e3da574a | 507 | |
08645126 | 508 | return err; |
fffd0934 | 509 | } |
08645126 | 510 | |
fffd0934 JB |
511 | if (addr) |
512 | tx_key = false; | |
513 | ||
e31b8213 | 514 | if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) |
fffd0934 | 515 | return -EINVAL; |
08645126 | 516 | |
fffd0934 | 517 | err = 0; |
7b0a0e3c JB |
518 | if (wdev->connected || |
519 | (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
520 | wdev->u.ibss.current_bss)) | |
e7a7b84e | 521 | err = rdev_add_key(rdev, dev, -1, idx, pairwise, addr, params); |
9381e267 JB |
522 | else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && |
523 | params->cipher != WLAN_CIPHER_SUITE_WEP104) | |
524 | return -EINVAL; | |
fffd0934 JB |
525 | if (err) |
526 | return err; | |
527 | ||
8f7d99ba JB |
528 | /* |
529 | * We only need to store WEP keys, since they're the only keys that | |
eee79f80 | 530 | * can be set before a connection is established and persist after |
8f7d99ba JB |
531 | * disconnecting. |
532 | */ | |
533 | if (!addr && (params->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
534 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { | |
fffd0934 JB |
535 | wdev->wext.keys->params[idx] = *params; |
536 | memcpy(wdev->wext.keys->data[idx], | |
537 | params->key, params->key_len); | |
538 | wdev->wext.keys->params[idx].key = | |
539 | wdev->wext.keys->data[idx]; | |
540 | } | |
08645126 | 541 | |
1f00fca5 ZY |
542 | if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
543 | params->cipher == WLAN_CIPHER_SUITE_WEP104) && | |
fffd0934 | 544 | (tx_key || (!addr && wdev->wext.default_key == -1))) { |
7b0a0e3c JB |
545 | if (wdev->connected || |
546 | (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
547 | wdev->u.ibss.current_bss)) { | |
98d3a7ca JB |
548 | /* |
549 | * If we are getting a new TX key from not having | |
550 | * had one before we need to join a new IBSS with | |
551 | * the privacy bit set. | |
552 | */ | |
553 | if (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
554 | wdev->wext.default_key == -1) { | |
555 | __cfg80211_leave_ibss(rdev, wdev->netdev, true); | |
556 | rejoin = true; | |
557 | } | |
e7a7b84e VJ |
558 | err = rdev_set_default_key(rdev, dev, -1, idx, true, |
559 | true); | |
98d3a7ca JB |
560 | } |
561 | if (!err) { | |
fffd0934 | 562 | wdev->wext.default_key = idx; |
98d3a7ca JB |
563 | if (rejoin) |
564 | err = cfg80211_ibss_wext_join(rdev, wdev); | |
565 | } | |
fffd0934 JB |
566 | return err; |
567 | } | |
08645126 | 568 | |
fffd0934 JB |
569 | if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && |
570 | (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { | |
7b0a0e3c JB |
571 | if (wdev->connected || |
572 | (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
573 | wdev->u.ibss.current_bss)) | |
e7a7b84e | 574 | err = rdev_set_default_mgmt_key(rdev, dev, -1, idx); |
fffd0934 JB |
575 | if (!err) |
576 | wdev->wext.default_mgmt_key = idx; | |
577 | return err; | |
08645126 | 578 | } |
fffd0934 JB |
579 | |
580 | return 0; | |
581 | } | |
582 | ||
583 | static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, | |
e31b8213 JB |
584 | struct net_device *dev, bool pairwise, |
585 | const u8 *addr, bool remove, bool tx_key, | |
586 | int idx, struct key_params *params) | |
fffd0934 JB |
587 | { |
588 | int err; | |
589 | ||
590 | wdev_lock(dev->ieee80211_ptr); | |
e31b8213 JB |
591 | err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, |
592 | remove, tx_key, idx, params); | |
fffd0934 JB |
593 | wdev_unlock(dev->ieee80211_ptr); |
594 | ||
595 | return err; | |
08645126 JB |
596 | } |
597 | ||
04b0c5c6 JB |
598 | static int cfg80211_wext_siwencode(struct net_device *dev, |
599 | struct iw_request_info *info, | |
02ae6a70 | 600 | union iwreq_data *wrqu, char *keybuf) |
08645126 | 601 | { |
02ae6a70 | 602 | struct iw_point *erq = &wrqu->encoding; |
08645126 | 603 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 604 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
08645126 JB |
605 | int idx, err; |
606 | bool remove = false; | |
607 | struct key_params params; | |
608 | ||
fffd0934 JB |
609 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
610 | wdev->iftype != NL80211_IFTYPE_ADHOC) | |
611 | return -EOPNOTSUPP; | |
612 | ||
08645126 JB |
613 | /* no use -- only MFP (set_default_mgmt_key) is optional */ |
614 | if (!rdev->ops->del_key || | |
615 | !rdev->ops->add_key || | |
616 | !rdev->ops->set_default_key) | |
617 | return -EOPNOTSUPP; | |
618 | ||
a05829a7 | 619 | wiphy_lock(&rdev->wiphy); |
7b0a0e3c JB |
620 | if (wdev->valid_links) { |
621 | err = -EOPNOTSUPP; | |
622 | goto out; | |
623 | } | |
624 | ||
08645126 JB |
625 | idx = erq->flags & IW_ENCODE_INDEX; |
626 | if (idx == 0) { | |
627 | idx = wdev->wext.default_key; | |
628 | if (idx < 0) | |
629 | idx = 0; | |
a05829a7 JB |
630 | } else if (idx < 1 || idx > 4) { |
631 | err = -EINVAL; | |
632 | goto out; | |
633 | } else { | |
08645126 | 634 | idx--; |
a05829a7 | 635 | } |
08645126 JB |
636 | |
637 | if (erq->flags & IW_ENCODE_DISABLED) | |
638 | remove = true; | |
639 | else if (erq->length == 0) { | |
640 | /* No key data - just set the default TX key index */ | |
fffd0934 JB |
641 | err = 0; |
642 | wdev_lock(wdev); | |
7b0a0e3c JB |
643 | if (wdev->connected || |
644 | (wdev->iftype == NL80211_IFTYPE_ADHOC && | |
645 | wdev->u.ibss.current_bss)) | |
e7a7b84e | 646 | err = rdev_set_default_key(rdev, dev, -1, idx, true, |
e35e4d28 | 647 | true); |
08645126 JB |
648 | if (!err) |
649 | wdev->wext.default_key = idx; | |
fffd0934 | 650 | wdev_unlock(wdev); |
a05829a7 | 651 | goto out; |
08645126 JB |
652 | } |
653 | ||
654 | memset(¶ms, 0, sizeof(params)); | |
655 | params.key = keybuf; | |
656 | params.key_len = erq->length; | |
a05829a7 | 657 | if (erq->length == 5) { |
08645126 | 658 | params.cipher = WLAN_CIPHER_SUITE_WEP40; |
a05829a7 | 659 | } else if (erq->length == 13) { |
08645126 | 660 | params.cipher = WLAN_CIPHER_SUITE_WEP104; |
a05829a7 JB |
661 | } else if (!remove) { |
662 | err = -EINVAL; | |
663 | goto out; | |
664 | } | |
665 | ||
666 | err = cfg80211_set_encryption(rdev, dev, false, NULL, remove, | |
667 | wdev->wext.default_key == -1, | |
668 | idx, ¶ms); | |
669 | out: | |
670 | wiphy_unlock(&rdev->wiphy); | |
08645126 | 671 | |
a05829a7 | 672 | return err; |
08645126 | 673 | } |
08645126 | 674 | |
04b0c5c6 JB |
675 | static int cfg80211_wext_siwencodeext(struct net_device *dev, |
676 | struct iw_request_info *info, | |
02ae6a70 | 677 | union iwreq_data *wrqu, char *extra) |
08645126 | 678 | { |
02ae6a70 | 679 | struct iw_point *erq = &wrqu->encoding; |
08645126 | 680 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 681 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
08645126 JB |
682 | struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; |
683 | const u8 *addr; | |
684 | int idx; | |
685 | bool remove = false; | |
686 | struct key_params params; | |
687 | u32 cipher; | |
c88f9520 | 688 | int ret; |
08645126 | 689 | |
fffd0934 JB |
690 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
691 | wdev->iftype != NL80211_IFTYPE_ADHOC) | |
692 | return -EOPNOTSUPP; | |
693 | ||
08645126 JB |
694 | /* no use -- only MFP (set_default_mgmt_key) is optional */ |
695 | if (!rdev->ops->del_key || | |
696 | !rdev->ops->add_key || | |
697 | !rdev->ops->set_default_key) | |
698 | return -EOPNOTSUPP; | |
699 | ||
aa129bcd VJ |
700 | wdev_lock(wdev); |
701 | if (wdev->valid_links) { | |
702 | wdev_unlock(wdev); | |
703 | return -EOPNOTSUPP; | |
704 | } | |
705 | wdev_unlock(wdev); | |
706 | ||
08645126 JB |
707 | switch (ext->alg) { |
708 | case IW_ENCODE_ALG_NONE: | |
709 | remove = true; | |
710 | cipher = 0; | |
711 | break; | |
712 | case IW_ENCODE_ALG_WEP: | |
713 | if (ext->key_len == 5) | |
714 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
715 | else if (ext->key_len == 13) | |
716 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
717 | else | |
718 | return -EINVAL; | |
719 | break; | |
720 | case IW_ENCODE_ALG_TKIP: | |
721 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
722 | break; | |
723 | case IW_ENCODE_ALG_CCMP: | |
724 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
725 | break; | |
726 | case IW_ENCODE_ALG_AES_CMAC: | |
727 | cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
728 | break; | |
729 | default: | |
730 | return -EOPNOTSUPP; | |
731 | } | |
732 | ||
733 | if (erq->flags & IW_ENCODE_DISABLED) | |
734 | remove = true; | |
735 | ||
736 | idx = erq->flags & IW_ENCODE_INDEX; | |
737 | if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { | |
738 | if (idx < 4 || idx > 5) { | |
739 | idx = wdev->wext.default_mgmt_key; | |
740 | if (idx < 0) | |
741 | return -EINVAL; | |
742 | } else | |
743 | idx--; | |
744 | } else { | |
745 | if (idx < 1 || idx > 4) { | |
746 | idx = wdev->wext.default_key; | |
747 | if (idx < 0) | |
748 | return -EINVAL; | |
749 | } else | |
750 | idx--; | |
751 | } | |
752 | ||
753 | addr = ext->addr.sa_data; | |
754 | if (is_broadcast_ether_addr(addr)) | |
755 | addr = NULL; | |
756 | ||
757 | memset(¶ms, 0, sizeof(params)); | |
758 | params.key = ext->key; | |
759 | params.key_len = ext->key_len; | |
760 | params.cipher = cipher; | |
761 | ||
faa8fdc8 JM |
762 | if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { |
763 | params.seq = ext->rx_seq; | |
764 | params.seq_len = 6; | |
765 | } | |
766 | ||
c88f9520 JB |
767 | wiphy_lock(wdev->wiphy); |
768 | ret = cfg80211_set_encryption( | |
e31b8213 JB |
769 | rdev, dev, |
770 | !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), | |
771 | addr, remove, | |
08645126 JB |
772 | ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, |
773 | idx, ¶ms); | |
c88f9520 JB |
774 | wiphy_unlock(wdev->wiphy); |
775 | ||
776 | return ret; | |
08645126 | 777 | } |
08645126 | 778 | |
04b0c5c6 JB |
779 | static int cfg80211_wext_giwencode(struct net_device *dev, |
780 | struct iw_request_info *info, | |
02ae6a70 | 781 | union iwreq_data *wrqu, char *keybuf) |
08645126 | 782 | { |
02ae6a70 | 783 | struct iw_point *erq = &wrqu->encoding; |
08645126 | 784 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
fffd0934 | 785 | int idx; |
08645126 | 786 | |
fffd0934 JB |
787 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
788 | wdev->iftype != NL80211_IFTYPE_ADHOC) | |
08645126 JB |
789 | return -EOPNOTSUPP; |
790 | ||
791 | idx = erq->flags & IW_ENCODE_INDEX; | |
792 | if (idx == 0) { | |
793 | idx = wdev->wext.default_key; | |
794 | if (idx < 0) | |
795 | idx = 0; | |
796 | } else if (idx < 1 || idx > 4) | |
797 | return -EINVAL; | |
798 | else | |
799 | idx--; | |
800 | ||
801 | erq->flags = idx + 1; | |
802 | ||
fffd0934 | 803 | if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { |
08645126 JB |
804 | erq->flags |= IW_ENCODE_DISABLED; |
805 | erq->length = 0; | |
806 | return 0; | |
807 | } | |
808 | ||
fffd0934 JB |
809 | erq->length = min_t(size_t, erq->length, |
810 | wdev->wext.keys->params[idx].key_len); | |
811 | memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); | |
812 | erq->flags |= IW_ENCODE_ENABLED; | |
813 | ||
814 | return 0; | |
08645126 | 815 | } |
7643a2c3 | 816 | |
04b0c5c6 JB |
817 | static int cfg80211_wext_siwfreq(struct net_device *dev, |
818 | struct iw_request_info *info, | |
02ae6a70 | 819 | union iwreq_data *wrqu, char *extra) |
0e82ffe3 | 820 | { |
02ae6a70 | 821 | struct iw_freq *wextfreq = &wrqu->freq; |
0e82ffe3 | 822 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 823 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
683b6d3b | 824 | struct cfg80211_chan_def chandef = { |
3d9d1d66 | 825 | .width = NL80211_CHAN_WIDTH_20_NOHT, |
683b6d3b | 826 | }; |
a05829a7 JB |
827 | int freq, ret; |
828 | ||
829 | wiphy_lock(&rdev->wiphy); | |
0e82ffe3 JB |
830 | |
831 | switch (wdev->iftype) { | |
832 | case NL80211_IFTYPE_STATION: | |
a05829a7 JB |
833 | ret = cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); |
834 | break; | |
0e82ffe3 | 835 | case NL80211_IFTYPE_ADHOC: |
a05829a7 JB |
836 | ret = cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); |
837 | break; | |
f444de05 | 838 | case NL80211_IFTYPE_MONITOR: |
96998e3a | 839 | freq = cfg80211_wext_freq(wextfreq); |
a05829a7 JB |
840 | if (freq < 0) { |
841 | ret = freq; | |
842 | break; | |
843 | } | |
844 | if (freq == 0) { | |
845 | ret = -EINVAL; | |
846 | break; | |
847 | } | |
3d9d1d66 | 848 | chandef.center_freq1 = freq; |
683b6d3b | 849 | chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
a05829a7 JB |
850 | if (!chandef.chan) { |
851 | ret = -EINVAL; | |
852 | break; | |
853 | } | |
854 | ret = cfg80211_set_monitor_channel(rdev, &chandef); | |
855 | break; | |
cc1d2806 | 856 | case NL80211_IFTYPE_MESH_POINT: |
96998e3a | 857 | freq = cfg80211_wext_freq(wextfreq); |
a05829a7 JB |
858 | if (freq < 0) { |
859 | ret = freq; | |
860 | break; | |
861 | } | |
862 | if (freq == 0) { | |
863 | ret = -EINVAL; | |
864 | break; | |
865 | } | |
3d9d1d66 | 866 | chandef.center_freq1 = freq; |
683b6d3b | 867 | chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
a05829a7 JB |
868 | if (!chandef.chan) { |
869 | ret = -EINVAL; | |
870 | break; | |
871 | } | |
872 | ret = cfg80211_set_mesh_channel(rdev, wdev, &chandef); | |
873 | break; | |
f444de05 | 874 | default: |
a05829a7 JB |
875 | ret = -EOPNOTSUPP; |
876 | break; | |
0e82ffe3 | 877 | } |
a05829a7 JB |
878 | |
879 | wiphy_unlock(&rdev->wiphy); | |
880 | ||
881 | return ret; | |
0e82ffe3 | 882 | } |
0e82ffe3 | 883 | |
04b0c5c6 JB |
884 | static int cfg80211_wext_giwfreq(struct net_device *dev, |
885 | struct iw_request_info *info, | |
02ae6a70 | 886 | union iwreq_data *wrqu, char *extra) |
0e82ffe3 | 887 | { |
02ae6a70 | 888 | struct iw_freq *freq = &wrqu->freq; |
0e82ffe3 | 889 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 890 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
f43e5210 | 891 | struct cfg80211_chan_def chandef = {}; |
683b6d3b | 892 | int ret; |
0e82ffe3 | 893 | |
a05829a7 | 894 | wiphy_lock(&rdev->wiphy); |
0e82ffe3 JB |
895 | switch (wdev->iftype) { |
896 | case NL80211_IFTYPE_STATION: | |
a05829a7 JB |
897 | ret = cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); |
898 | break; | |
0e82ffe3 | 899 | case NL80211_IFTYPE_ADHOC: |
a05829a7 JB |
900 | ret = cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); |
901 | break; | |
e999882a | 902 | case NL80211_IFTYPE_MONITOR: |
a05829a7 JB |
903 | if (!rdev->ops->get_channel) { |
904 | ret = -EINVAL; | |
905 | break; | |
906 | } | |
e999882a | 907 | |
7b0a0e3c | 908 | ret = rdev_get_channel(rdev, wdev, 0, &chandef); |
683b6d3b | 909 | if (ret) |
a05829a7 | 910 | break; |
683b6d3b | 911 | freq->m = chandef.chan->center_freq; |
e999882a | 912 | freq->e = 6; |
a05829a7 JB |
913 | ret = 0; |
914 | break; | |
0e82ffe3 | 915 | default: |
a05829a7 JB |
916 | ret = -EINVAL; |
917 | break; | |
0e82ffe3 | 918 | } |
a05829a7 JB |
919 | |
920 | wiphy_unlock(&rdev->wiphy); | |
921 | ||
922 | return ret; | |
0e82ffe3 | 923 | } |
0e82ffe3 | 924 | |
04b0c5c6 JB |
925 | static int cfg80211_wext_siwtxpower(struct net_device *dev, |
926 | struct iw_request_info *info, | |
927 | union iwreq_data *data, char *extra) | |
7643a2c3 JB |
928 | { |
929 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 930 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
fa61cf70 | 931 | enum nl80211_tx_power_setting type; |
7643a2c3 | 932 | int dbm = 0; |
a05829a7 | 933 | int ret; |
7643a2c3 JB |
934 | |
935 | if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) | |
936 | return -EINVAL; | |
937 | if (data->txpower.flags & IW_TXPOW_RANGE) | |
938 | return -EINVAL; | |
939 | ||
940 | if (!rdev->ops->set_tx_power) | |
941 | return -EOPNOTSUPP; | |
942 | ||
943 | /* only change when not disabling */ | |
944 | if (!data->txpower.disabled) { | |
358ae888 | 945 | rfkill_set_sw_state(rdev->wiphy.rfkill, false); |
1f87f7d3 | 946 | |
7643a2c3 JB |
947 | if (data->txpower.fixed) { |
948 | /* | |
949 | * wext doesn't support negative values, see | |
950 | * below where it's for automatic | |
951 | */ | |
952 | if (data->txpower.value < 0) | |
953 | return -EINVAL; | |
954 | dbm = data->txpower.value; | |
fa61cf70 | 955 | type = NL80211_TX_POWER_FIXED; |
7643a2c3 JB |
956 | /* TODO: do regulatory check! */ |
957 | } else { | |
958 | /* | |
959 | * Automatic power level setting, max being the value | |
960 | * passed in from userland. | |
961 | */ | |
962 | if (data->txpower.value < 0) { | |
fa61cf70 | 963 | type = NL80211_TX_POWER_AUTOMATIC; |
7643a2c3 JB |
964 | } else { |
965 | dbm = data->txpower.value; | |
fa61cf70 | 966 | type = NL80211_TX_POWER_LIMITED; |
7643a2c3 JB |
967 | } |
968 | } | |
969 | } else { | |
358ae888 | 970 | if (rfkill_set_sw_state(rdev->wiphy.rfkill, true)) |
3cfe91c4 | 971 | schedule_work(&rdev->rfkill_block); |
1f87f7d3 | 972 | return 0; |
7643a2c3 JB |
973 | } |
974 | ||
a05829a7 JB |
975 | wiphy_lock(&rdev->wiphy); |
976 | ret = rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); | |
977 | wiphy_unlock(&rdev->wiphy); | |
978 | ||
979 | return ret; | |
7643a2c3 | 980 | } |
7643a2c3 | 981 | |
04b0c5c6 JB |
982 | static int cfg80211_wext_giwtxpower(struct net_device *dev, |
983 | struct iw_request_info *info, | |
984 | union iwreq_data *data, char *extra) | |
7643a2c3 JB |
985 | { |
986 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 987 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7643a2c3 JB |
988 | int err, val; |
989 | ||
990 | if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) | |
991 | return -EINVAL; | |
992 | if (data->txpower.flags & IW_TXPOW_RANGE) | |
993 | return -EINVAL; | |
994 | ||
995 | if (!rdev->ops->get_tx_power) | |
996 | return -EOPNOTSUPP; | |
997 | ||
a05829a7 | 998 | wiphy_lock(&rdev->wiphy); |
c8442118 | 999 | err = rdev_get_tx_power(rdev, wdev, &val); |
a05829a7 | 1000 | wiphy_unlock(&rdev->wiphy); |
1f87f7d3 | 1001 | if (err) |
7643a2c3 JB |
1002 | return err; |
1003 | ||
1004 | /* well... oh well */ | |
1005 | data->txpower.fixed = 1; | |
358ae888 | 1006 | data->txpower.disabled = rfkill_blocked(rdev->wiphy.rfkill); |
7643a2c3 JB |
1007 | data->txpower.value = val; |
1008 | data->txpower.flags = IW_TXPOW_DBM; | |
1009 | ||
1010 | return 0; | |
1011 | } | |
f2129354 JB |
1012 | |
1013 | static int cfg80211_set_auth_alg(struct wireless_dev *wdev, | |
1014 | s32 auth_alg) | |
1015 | { | |
1016 | int nr_alg = 0; | |
1017 | ||
1018 | if (!auth_alg) | |
1019 | return -EINVAL; | |
1020 | ||
1021 | if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | | |
1022 | IW_AUTH_ALG_SHARED_KEY | | |
1023 | IW_AUTH_ALG_LEAP)) | |
1024 | return -EINVAL; | |
1025 | ||
1026 | if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { | |
1027 | nr_alg++; | |
1028 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
1029 | } | |
1030 | ||
1031 | if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { | |
1032 | nr_alg++; | |
1033 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; | |
1034 | } | |
1035 | ||
1036 | if (auth_alg & IW_AUTH_ALG_LEAP) { | |
1037 | nr_alg++; | |
1038 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; | |
1039 | } | |
1040 | ||
1041 | if (nr_alg > 1) | |
1042 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) | |
1048 | { | |
f2129354 | 1049 | if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | |
323d566e GS |
1050 | IW_AUTH_WPA_VERSION_WPA2| |
1051 | IW_AUTH_WPA_VERSION_DISABLED)) | |
f2129354 JB |
1052 | return -EINVAL; |
1053 | ||
323d566e GS |
1054 | if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && |
1055 | (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| | |
1056 | IW_AUTH_WPA_VERSION_WPA2))) | |
1057 | return -EINVAL; | |
1058 | ||
1059 | if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) | |
1060 | wdev->wext.connect.crypto.wpa_versions &= | |
1061 | ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); | |
1062 | ||
f2129354 JB |
1063 | if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) |
1064 | wdev->wext.connect.crypto.wpa_versions |= | |
1065 | NL80211_WPA_VERSION_1; | |
1066 | ||
1067 | if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) | |
1068 | wdev->wext.connect.crypto.wpa_versions |= | |
1069 | NL80211_WPA_VERSION_2; | |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
4f5dadce | 1074 | static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) |
f2129354 | 1075 | { |
f2129354 JB |
1076 | if (cipher & IW_AUTH_CIPHER_WEP40) |
1077 | wdev->wext.connect.crypto.cipher_group = | |
1078 | WLAN_CIPHER_SUITE_WEP40; | |
1079 | else if (cipher & IW_AUTH_CIPHER_WEP104) | |
1080 | wdev->wext.connect.crypto.cipher_group = | |
1081 | WLAN_CIPHER_SUITE_WEP104; | |
1082 | else if (cipher & IW_AUTH_CIPHER_TKIP) | |
1083 | wdev->wext.connect.crypto.cipher_group = | |
1084 | WLAN_CIPHER_SUITE_TKIP; | |
1085 | else if (cipher & IW_AUTH_CIPHER_CCMP) | |
1086 | wdev->wext.connect.crypto.cipher_group = | |
1087 | WLAN_CIPHER_SUITE_CCMP; | |
1088 | else if (cipher & IW_AUTH_CIPHER_AES_CMAC) | |
1089 | wdev->wext.connect.crypto.cipher_group = | |
1090 | WLAN_CIPHER_SUITE_AES_CMAC; | |
c5f8289c JM |
1091 | else if (cipher & IW_AUTH_CIPHER_NONE) |
1092 | wdev->wext.connect.crypto.cipher_group = 0; | |
f2129354 JB |
1093 | else |
1094 | return -EINVAL; | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
4f5dadce | 1099 | static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) |
f2129354 JB |
1100 | { |
1101 | int nr_ciphers = 0; | |
1102 | u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; | |
1103 | ||
1104 | if (cipher & IW_AUTH_CIPHER_WEP40) { | |
1105 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; | |
1106 | nr_ciphers++; | |
1107 | } | |
1108 | ||
1109 | if (cipher & IW_AUTH_CIPHER_WEP104) { | |
1110 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; | |
1111 | nr_ciphers++; | |
1112 | } | |
1113 | ||
1114 | if (cipher & IW_AUTH_CIPHER_TKIP) { | |
1115 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; | |
1116 | nr_ciphers++; | |
1117 | } | |
1118 | ||
1119 | if (cipher & IW_AUTH_CIPHER_CCMP) { | |
1120 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; | |
1121 | nr_ciphers++; | |
1122 | } | |
1123 | ||
1124 | if (cipher & IW_AUTH_CIPHER_AES_CMAC) { | |
1125 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; | |
1126 | nr_ciphers++; | |
1127 | } | |
1128 | ||
1129 | BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); | |
1130 | ||
1131 | wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | ||
4f5dadce | 1137 | static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) |
f2129354 JB |
1138 | { |
1139 | int nr_akm_suites = 0; | |
1140 | ||
1141 | if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | | |
1142 | IW_AUTH_KEY_MGMT_PSK)) | |
1143 | return -EINVAL; | |
1144 | ||
1145 | if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { | |
1146 | wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = | |
1147 | WLAN_AKM_SUITE_8021X; | |
1148 | nr_akm_suites++; | |
1149 | } | |
1150 | ||
1151 | if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { | |
1152 | wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = | |
1153 | WLAN_AKM_SUITE_PSK; | |
1154 | nr_akm_suites++; | |
1155 | } | |
1156 | ||
1157 | wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; | |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
04b0c5c6 JB |
1162 | static int cfg80211_wext_siwauth(struct net_device *dev, |
1163 | struct iw_request_info *info, | |
02ae6a70 | 1164 | union iwreq_data *wrqu, char *extra) |
f2129354 | 1165 | { |
02ae6a70 | 1166 | struct iw_param *data = &wrqu->param; |
f2129354 JB |
1167 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1168 | ||
1169 | if (wdev->iftype != NL80211_IFTYPE_STATION) | |
1170 | return -EOPNOTSUPP; | |
1171 | ||
1172 | switch (data->flags & IW_AUTH_INDEX) { | |
1173 | case IW_AUTH_PRIVACY_INVOKED: | |
1174 | wdev->wext.connect.privacy = data->value; | |
1175 | return 0; | |
1176 | case IW_AUTH_WPA_VERSION: | |
1177 | return cfg80211_set_wpa_version(wdev, data->value); | |
1178 | case IW_AUTH_CIPHER_GROUP: | |
1179 | return cfg80211_set_cipher_group(wdev, data->value); | |
1180 | case IW_AUTH_KEY_MGMT: | |
1181 | return cfg80211_set_key_mgt(wdev, data->value); | |
1182 | case IW_AUTH_CIPHER_PAIRWISE: | |
1183 | return cfg80211_set_cipher_pairwise(wdev, data->value); | |
1184 | case IW_AUTH_80211_AUTH_ALG: | |
1185 | return cfg80211_set_auth_alg(wdev, data->value); | |
1186 | case IW_AUTH_WPA_ENABLED: | |
1187 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: | |
1188 | case IW_AUTH_DROP_UNENCRYPTED: | |
1189 | case IW_AUTH_MFP: | |
1190 | return 0; | |
1191 | default: | |
1192 | return -EOPNOTSUPP; | |
1193 | } | |
1194 | } | |
f2129354 | 1195 | |
04b0c5c6 JB |
1196 | static int cfg80211_wext_giwauth(struct net_device *dev, |
1197 | struct iw_request_info *info, | |
02ae6a70 | 1198 | union iwreq_data *wrqu, char *extra) |
f2129354 JB |
1199 | { |
1200 | /* XXX: what do we need? */ | |
1201 | ||
1202 | return -EOPNOTSUPP; | |
1203 | } | |
bc92afd9 | 1204 | |
04b0c5c6 JB |
1205 | static int cfg80211_wext_siwpower(struct net_device *dev, |
1206 | struct iw_request_info *info, | |
02ae6a70 | 1207 | union iwreq_data *wrqu, char *extra) |
bc92afd9 | 1208 | { |
02ae6a70 | 1209 | struct iw_param *wrq = &wrqu->power; |
bc92afd9 | 1210 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 1211 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c2a8637c | 1212 | bool ps; |
ffb9eb3d | 1213 | int timeout = wdev->ps_timeout; |
bc92afd9 JB |
1214 | int err; |
1215 | ||
1216 | if (wdev->iftype != NL80211_IFTYPE_STATION) | |
1217 | return -EINVAL; | |
1218 | ||
1219 | if (!rdev->ops->set_power_mgmt) | |
1220 | return -EOPNOTSUPP; | |
1221 | ||
1222 | if (wrq->disabled) { | |
1223 | ps = false; | |
1224 | } else { | |
1225 | switch (wrq->flags & IW_POWER_MODE) { | |
1226 | case IW_POWER_ON: /* If not specified */ | |
1227 | case IW_POWER_MODE: /* If set all mask */ | |
1228 | case IW_POWER_ALL_R: /* If explicitely state all */ | |
1229 | ps = true; | |
1230 | break; | |
1231 | default: /* Otherwise we ignore */ | |
1232 | return -EINVAL; | |
1233 | } | |
1234 | ||
1235 | if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) | |
1236 | return -EINVAL; | |
1237 | ||
1238 | if (wrq->flags & IW_POWER_TIMEOUT) | |
1239 | timeout = wrq->value / 1000; | |
1240 | } | |
1241 | ||
a05829a7 | 1242 | wiphy_lock(&rdev->wiphy); |
e35e4d28 | 1243 | err = rdev_set_power_mgmt(rdev, dev, ps, timeout); |
a05829a7 | 1244 | wiphy_unlock(&rdev->wiphy); |
bc92afd9 JB |
1245 | if (err) |
1246 | return err; | |
1247 | ||
ffb9eb3d KV |
1248 | wdev->ps = ps; |
1249 | wdev->ps_timeout = timeout; | |
bc92afd9 JB |
1250 | |
1251 | return 0; | |
1252 | ||
1253 | } | |
bc92afd9 | 1254 | |
04b0c5c6 JB |
1255 | static int cfg80211_wext_giwpower(struct net_device *dev, |
1256 | struct iw_request_info *info, | |
02ae6a70 | 1257 | union iwreq_data *wrqu, char *extra) |
bc92afd9 | 1258 | { |
02ae6a70 | 1259 | struct iw_param *wrq = &wrqu->power; |
bc92afd9 JB |
1260 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1261 | ||
ffb9eb3d | 1262 | wrq->disabled = !wdev->ps; |
bc92afd9 JB |
1263 | |
1264 | return 0; | |
1265 | } | |
ab737a4f | 1266 | |
04b0c5c6 JB |
1267 | static int cfg80211_wext_siwrate(struct net_device *dev, |
1268 | struct iw_request_info *info, | |
02ae6a70 | 1269 | union iwreq_data *wrqu, char *extra) |
9930380f | 1270 | { |
02ae6a70 | 1271 | struct iw_param *rate = &wrqu->bitrate; |
9930380f | 1272 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 1273 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
9930380f | 1274 | struct cfg80211_bitrate_mask mask; |
37eb0b16 JM |
1275 | u32 fixed, maxrate; |
1276 | struct ieee80211_supported_band *sband; | |
a05829a7 | 1277 | int band, ridx, ret; |
37eb0b16 | 1278 | bool match = false; |
9930380f JB |
1279 | |
1280 | if (!rdev->ops->set_bitrate_mask) | |
1281 | return -EOPNOTSUPP; | |
1282 | ||
37eb0b16 JM |
1283 | memset(&mask, 0, sizeof(mask)); |
1284 | fixed = 0; | |
54233261 | 1285 | maxrate = (u32)-1; |
9930380f JB |
1286 | |
1287 | if (rate->value < 0) { | |
1288 | /* nothing */ | |
1289 | } else if (rate->fixed) { | |
37eb0b16 | 1290 | fixed = rate->value / 100000; |
9930380f | 1291 | } else { |
37eb0b16 JM |
1292 | maxrate = rate->value / 100000; |
1293 | } | |
1294 | ||
57fbcce3 | 1295 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
37eb0b16 JM |
1296 | sband = wdev->wiphy->bands[band]; |
1297 | if (sband == NULL) | |
1298 | continue; | |
1299 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
1300 | struct ieee80211_rate *srate = &sband->bitrates[ridx]; | |
1301 | if (fixed == srate->bitrate) { | |
1302 | mask.control[band].legacy = 1 << ridx; | |
1303 | match = true; | |
1304 | break; | |
1305 | } | |
1306 | if (srate->bitrate <= maxrate) { | |
1307 | mask.control[band].legacy |= 1 << ridx; | |
1308 | match = true; | |
1309 | } | |
1310 | } | |
9930380f JB |
1311 | } |
1312 | ||
37eb0b16 JM |
1313 | if (!match) |
1314 | return -EINVAL; | |
1315 | ||
a05829a7 | 1316 | wiphy_lock(&rdev->wiphy); |
7b0a0e3c JB |
1317 | if (dev->ieee80211_ptr->valid_links) |
1318 | ret = -EOPNOTSUPP; | |
1319 | else | |
1320 | ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask); | |
a05829a7 JB |
1321 | wiphy_unlock(&rdev->wiphy); |
1322 | ||
1323 | return ret; | |
9930380f | 1324 | } |
9930380f | 1325 | |
04b0c5c6 JB |
1326 | static int cfg80211_wext_giwrate(struct net_device *dev, |
1327 | struct iw_request_info *info, | |
02ae6a70 | 1328 | union iwreq_data *wrqu, char *extra) |
9930380f | 1329 | { |
02ae6a70 | 1330 | struct iw_param *rate = &wrqu->bitrate; |
9930380f | 1331 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 1332 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
5762d7d3 | 1333 | struct station_info sinfo = {}; |
a71d62db | 1334 | u8 addr[ETH_ALEN]; |
9930380f JB |
1335 | int err; |
1336 | ||
1337 | if (wdev->iftype != NL80211_IFTYPE_STATION) | |
1338 | return -EOPNOTSUPP; | |
1339 | ||
1340 | if (!rdev->ops->get_station) | |
1341 | return -EOPNOTSUPP; | |
1342 | ||
a71d62db JB |
1343 | err = 0; |
1344 | wdev_lock(wdev); | |
7b0a0e3c JB |
1345 | if (!wdev->valid_links && wdev->links[0].client.current_bss) |
1346 | memcpy(addr, wdev->links[0].client.current_bss->pub.bssid, | |
1347 | ETH_ALEN); | |
6c230c02 | 1348 | else |
a71d62db JB |
1349 | err = -EOPNOTSUPP; |
1350 | wdev_unlock(wdev); | |
1351 | if (err) | |
1352 | return err; | |
9930380f | 1353 | |
a05829a7 | 1354 | wiphy_lock(&rdev->wiphy); |
e35e4d28 | 1355 | err = rdev_get_station(rdev, dev, addr, &sinfo); |
a05829a7 | 1356 | wiphy_unlock(&rdev->wiphy); |
9930380f JB |
1357 | if (err) |
1358 | return err; | |
1359 | ||
848e616e SS |
1360 | if (!(sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE))) { |
1361 | err = -EOPNOTSUPP; | |
1362 | goto free; | |
1363 | } | |
9930380f | 1364 | |
254416aa | 1365 | rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); |
9930380f | 1366 | |
848e616e SS |
1367 | free: |
1368 | cfg80211_sinfo_release_content(&sinfo); | |
1369 | return err; | |
9930380f | 1370 | } |
8990646d JB |
1371 | |
1372 | /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ | |
04b0c5c6 | 1373 | static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) |
8990646d JB |
1374 | { |
1375 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 1376 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
8990646d JB |
1377 | /* we are under RTNL - globally locked - so can use static structs */ |
1378 | static struct iw_statistics wstats; | |
848e616e | 1379 | static struct station_info sinfo = {}; |
c56c5714 | 1380 | u8 bssid[ETH_ALEN]; |
a05829a7 | 1381 | int ret; |
8990646d JB |
1382 | |
1383 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) | |
1384 | return NULL; | |
1385 | ||
1386 | if (!rdev->ops->get_station) | |
1387 | return NULL; | |
1388 | ||
c56c5714 JB |
1389 | /* Grab BSSID of current BSS, if any */ |
1390 | wdev_lock(wdev); | |
7b0a0e3c | 1391 | if (wdev->valid_links || !wdev->links[0].client.current_bss) { |
c56c5714 | 1392 | wdev_unlock(wdev); |
8990646d | 1393 | return NULL; |
c56c5714 | 1394 | } |
7b0a0e3c | 1395 | memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN); |
c56c5714 | 1396 | wdev_unlock(wdev); |
8990646d | 1397 | |
9c5a18a3 JB |
1398 | memset(&sinfo, 0, sizeof(sinfo)); |
1399 | ||
a05829a7 JB |
1400 | wiphy_lock(&rdev->wiphy); |
1401 | ret = rdev_get_station(rdev, dev, bssid, &sinfo); | |
1402 | wiphy_unlock(&rdev->wiphy); | |
1403 | ||
1404 | if (ret) | |
8990646d JB |
1405 | return NULL; |
1406 | ||
1407 | memset(&wstats, 0, sizeof(wstats)); | |
1408 | ||
1409 | switch (rdev->wiphy.signal_type) { | |
1410 | case CFG80211_SIGNAL_TYPE_MBM: | |
397c657a | 1411 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { |
8990646d JB |
1412 | int sig = sinfo.signal; |
1413 | wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
1414 | wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; | |
1415 | wstats.qual.updated |= IW_QUAL_DBM; | |
1416 | wstats.qual.level = sig; | |
1417 | if (sig < -110) | |
1418 | sig = -110; | |
1419 | else if (sig > -40) | |
1420 | sig = -40; | |
1421 | wstats.qual.qual = sig + 110; | |
1422 | break; | |
1423 | } | |
7b506ff6 | 1424 | fallthrough; |
8990646d | 1425 | case CFG80211_SIGNAL_TYPE_UNSPEC: |
397c657a | 1426 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { |
8990646d JB |
1427 | wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; |
1428 | wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; | |
1429 | wstats.qual.level = sinfo.signal; | |
1430 | wstats.qual.qual = sinfo.signal; | |
1431 | break; | |
1432 | } | |
7b506ff6 | 1433 | fallthrough; |
8990646d JB |
1434 | default: |
1435 | wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; | |
1436 | wstats.qual.updated |= IW_QUAL_QUAL_INVALID; | |
1437 | } | |
1438 | ||
1439 | wstats.qual.updated |= IW_QUAL_NOISE_INVALID; | |
397c657a | 1440 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC)) |
5a5c731a | 1441 | wstats.discard.misc = sinfo.rx_dropped_misc; |
397c657a | 1442 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_FAILED)) |
5a5c731a | 1443 | wstats.discard.retries = sinfo.tx_failed; |
8990646d | 1444 | |
848e616e SS |
1445 | cfg80211_sinfo_release_content(&sinfo); |
1446 | ||
8990646d JB |
1447 | return &wstats; |
1448 | } | |
562e4822 | 1449 | |
04b0c5c6 JB |
1450 | static int cfg80211_wext_siwap(struct net_device *dev, |
1451 | struct iw_request_info *info, | |
02ae6a70 | 1452 | union iwreq_data *wrqu, char *extra) |
562e4822 | 1453 | { |
02ae6a70 | 1454 | struct sockaddr *ap_addr = &wrqu->ap_addr; |
562e4822 | 1455 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
a05829a7 JB |
1456 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
1457 | int ret; | |
562e4822 | 1458 | |
a05829a7 | 1459 | wiphy_lock(&rdev->wiphy); |
562e4822 JB |
1460 | switch (wdev->iftype) { |
1461 | case NL80211_IFTYPE_ADHOC: | |
a05829a7 JB |
1462 | ret = cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); |
1463 | break; | |
562e4822 | 1464 | case NL80211_IFTYPE_STATION: |
a05829a7 JB |
1465 | ret = cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); |
1466 | break; | |
562e4822 | 1467 | default: |
a05829a7 JB |
1468 | ret = -EOPNOTSUPP; |
1469 | break; | |
562e4822 | 1470 | } |
a05829a7 JB |
1471 | wiphy_unlock(&rdev->wiphy); |
1472 | ||
1473 | return ret; | |
562e4822 | 1474 | } |
562e4822 | 1475 | |
04b0c5c6 JB |
1476 | static int cfg80211_wext_giwap(struct net_device *dev, |
1477 | struct iw_request_info *info, | |
02ae6a70 | 1478 | union iwreq_data *wrqu, char *extra) |
562e4822 | 1479 | { |
02ae6a70 | 1480 | struct sockaddr *ap_addr = &wrqu->ap_addr; |
562e4822 | 1481 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
a05829a7 JB |
1482 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
1483 | int ret; | |
562e4822 | 1484 | |
a05829a7 | 1485 | wiphy_lock(&rdev->wiphy); |
562e4822 JB |
1486 | switch (wdev->iftype) { |
1487 | case NL80211_IFTYPE_ADHOC: | |
a05829a7 JB |
1488 | ret = cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); |
1489 | break; | |
562e4822 | 1490 | case NL80211_IFTYPE_STATION: |
a05829a7 JB |
1491 | ret = cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); |
1492 | break; | |
562e4822 | 1493 | default: |
a05829a7 JB |
1494 | ret = -EOPNOTSUPP; |
1495 | break; | |
562e4822 | 1496 | } |
a05829a7 JB |
1497 | wiphy_unlock(&rdev->wiphy); |
1498 | ||
1499 | return ret; | |
562e4822 | 1500 | } |
1f9298f9 | 1501 | |
04b0c5c6 JB |
1502 | static int cfg80211_wext_siwessid(struct net_device *dev, |
1503 | struct iw_request_info *info, | |
02ae6a70 | 1504 | union iwreq_data *wrqu, char *ssid) |
1f9298f9 | 1505 | { |
02ae6a70 | 1506 | struct iw_point *data = &wrqu->data; |
1f9298f9 | 1507 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
a05829a7 JB |
1508 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
1509 | int ret; | |
1f9298f9 | 1510 | |
a05829a7 | 1511 | wiphy_lock(&rdev->wiphy); |
1f9298f9 JB |
1512 | switch (wdev->iftype) { |
1513 | case NL80211_IFTYPE_ADHOC: | |
a05829a7 JB |
1514 | ret = cfg80211_ibss_wext_siwessid(dev, info, data, ssid); |
1515 | break; | |
1f9298f9 | 1516 | case NL80211_IFTYPE_STATION: |
a05829a7 JB |
1517 | ret = cfg80211_mgd_wext_siwessid(dev, info, data, ssid); |
1518 | break; | |
1f9298f9 | 1519 | default: |
a05829a7 JB |
1520 | ret = -EOPNOTSUPP; |
1521 | break; | |
1f9298f9 | 1522 | } |
a05829a7 JB |
1523 | wiphy_unlock(&rdev->wiphy); |
1524 | ||
1525 | return ret; | |
1f9298f9 | 1526 | } |
1f9298f9 | 1527 | |
04b0c5c6 JB |
1528 | static int cfg80211_wext_giwessid(struct net_device *dev, |
1529 | struct iw_request_info *info, | |
02ae6a70 | 1530 | union iwreq_data *wrqu, char *ssid) |
1f9298f9 | 1531 | { |
02ae6a70 | 1532 | struct iw_point *data = &wrqu->data; |
1f9298f9 | 1533 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
a05829a7 JB |
1534 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
1535 | int ret; | |
1f9298f9 | 1536 | |
42da2f94 JB |
1537 | data->flags = 0; |
1538 | data->length = 0; | |
1539 | ||
a05829a7 | 1540 | wiphy_lock(&rdev->wiphy); |
1f9298f9 JB |
1541 | switch (wdev->iftype) { |
1542 | case NL80211_IFTYPE_ADHOC: | |
a05829a7 JB |
1543 | ret = cfg80211_ibss_wext_giwessid(dev, info, data, ssid); |
1544 | break; | |
1f9298f9 | 1545 | case NL80211_IFTYPE_STATION: |
a05829a7 JB |
1546 | ret = cfg80211_mgd_wext_giwessid(dev, info, data, ssid); |
1547 | break; | |
1f9298f9 | 1548 | default: |
a05829a7 JB |
1549 | ret = -EOPNOTSUPP; |
1550 | break; | |
1f9298f9 | 1551 | } |
a05829a7 JB |
1552 | wiphy_unlock(&rdev->wiphy); |
1553 | ||
1554 | return ret; | |
1f9298f9 | 1555 | } |
a9a11622 | 1556 | |
04b0c5c6 JB |
1557 | static int cfg80211_wext_siwpmksa(struct net_device *dev, |
1558 | struct iw_request_info *info, | |
02ae6a70 | 1559 | union iwreq_data *wrqu, char *extra) |
2944b2c2 SO |
1560 | { |
1561 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 1562 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
2944b2c2 SO |
1563 | struct cfg80211_pmksa cfg_pmksa; |
1564 | struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; | |
a05829a7 | 1565 | int ret; |
2944b2c2 SO |
1566 | |
1567 | memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
1568 | ||
1569 | if (wdev->iftype != NL80211_IFTYPE_STATION) | |
1570 | return -EINVAL; | |
1571 | ||
1572 | cfg_pmksa.bssid = pmksa->bssid.sa_data; | |
1573 | cfg_pmksa.pmkid = pmksa->pmkid; | |
1574 | ||
a05829a7 | 1575 | wiphy_lock(&rdev->wiphy); |
2944b2c2 SO |
1576 | switch (pmksa->cmd) { |
1577 | case IW_PMKSA_ADD: | |
a05829a7 JB |
1578 | if (!rdev->ops->set_pmksa) { |
1579 | ret = -EOPNOTSUPP; | |
1580 | break; | |
1581 | } | |
2944b2c2 | 1582 | |
a05829a7 JB |
1583 | ret = rdev_set_pmksa(rdev, dev, &cfg_pmksa); |
1584 | break; | |
2944b2c2 | 1585 | case IW_PMKSA_REMOVE: |
a05829a7 JB |
1586 | if (!rdev->ops->del_pmksa) { |
1587 | ret = -EOPNOTSUPP; | |
1588 | break; | |
1589 | } | |
2944b2c2 | 1590 | |
a05829a7 JB |
1591 | ret = rdev_del_pmksa(rdev, dev, &cfg_pmksa); |
1592 | break; | |
2944b2c2 | 1593 | case IW_PMKSA_FLUSH: |
a05829a7 JB |
1594 | if (!rdev->ops->flush_pmksa) { |
1595 | ret = -EOPNOTSUPP; | |
1596 | break; | |
1597 | } | |
2944b2c2 | 1598 | |
a05829a7 JB |
1599 | ret = rdev_flush_pmksa(rdev, dev); |
1600 | break; | |
2944b2c2 | 1601 | default: |
a05829a7 JB |
1602 | ret = -EOPNOTSUPP; |
1603 | break; | |
2944b2c2 | 1604 | } |
a05829a7 JB |
1605 | wiphy_unlock(&rdev->wiphy); |
1606 | ||
1607 | return ret; | |
2944b2c2 SO |
1608 | } |
1609 | ||
a9a11622 | 1610 | static const iw_handler cfg80211_handlers[] = { |
02ae6a70 GS |
1611 | IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname), |
1612 | IW_HANDLER(SIOCSIWFREQ, cfg80211_wext_siwfreq), | |
1613 | IW_HANDLER(SIOCGIWFREQ, cfg80211_wext_giwfreq), | |
1614 | IW_HANDLER(SIOCSIWMODE, cfg80211_wext_siwmode), | |
1615 | IW_HANDLER(SIOCGIWMODE, cfg80211_wext_giwmode), | |
1616 | IW_HANDLER(SIOCGIWRANGE, cfg80211_wext_giwrange), | |
1617 | IW_HANDLER(SIOCSIWAP, cfg80211_wext_siwap), | |
1618 | IW_HANDLER(SIOCGIWAP, cfg80211_wext_giwap), | |
1619 | IW_HANDLER(SIOCSIWMLME, cfg80211_wext_siwmlme), | |
1620 | IW_HANDLER(SIOCSIWSCAN, cfg80211_wext_siwscan), | |
1621 | IW_HANDLER(SIOCGIWSCAN, cfg80211_wext_giwscan), | |
1622 | IW_HANDLER(SIOCSIWESSID, cfg80211_wext_siwessid), | |
1623 | IW_HANDLER(SIOCGIWESSID, cfg80211_wext_giwessid), | |
1624 | IW_HANDLER(SIOCSIWRATE, cfg80211_wext_siwrate), | |
1625 | IW_HANDLER(SIOCGIWRATE, cfg80211_wext_giwrate), | |
1626 | IW_HANDLER(SIOCSIWRTS, cfg80211_wext_siwrts), | |
1627 | IW_HANDLER(SIOCGIWRTS, cfg80211_wext_giwrts), | |
1628 | IW_HANDLER(SIOCSIWFRAG, cfg80211_wext_siwfrag), | |
1629 | IW_HANDLER(SIOCGIWFRAG, cfg80211_wext_giwfrag), | |
1630 | IW_HANDLER(SIOCSIWTXPOW, cfg80211_wext_siwtxpower), | |
1631 | IW_HANDLER(SIOCGIWTXPOW, cfg80211_wext_giwtxpower), | |
1632 | IW_HANDLER(SIOCSIWRETRY, cfg80211_wext_siwretry), | |
1633 | IW_HANDLER(SIOCGIWRETRY, cfg80211_wext_giwretry), | |
1634 | IW_HANDLER(SIOCSIWENCODE, cfg80211_wext_siwencode), | |
1635 | IW_HANDLER(SIOCGIWENCODE, cfg80211_wext_giwencode), | |
1636 | IW_HANDLER(SIOCSIWPOWER, cfg80211_wext_siwpower), | |
1637 | IW_HANDLER(SIOCGIWPOWER, cfg80211_wext_giwpower), | |
1638 | IW_HANDLER(SIOCSIWGENIE, cfg80211_wext_siwgenie), | |
1639 | IW_HANDLER(SIOCSIWAUTH, cfg80211_wext_siwauth), | |
1640 | IW_HANDLER(SIOCGIWAUTH, cfg80211_wext_giwauth), | |
1641 | IW_HANDLER(SIOCSIWENCODEEXT, cfg80211_wext_siwencodeext), | |
1642 | IW_HANDLER(SIOCSIWPMKSA, cfg80211_wext_siwpmksa), | |
a9a11622 JB |
1643 | }; |
1644 | ||
1645 | const struct iw_handler_def cfg80211_wext_handler = { | |
1646 | .num_standard = ARRAY_SIZE(cfg80211_handlers), | |
1647 | .standard = cfg80211_handlers, | |
1648 | .get_wireless_stats = cfg80211_wireless_stats, | |
1649 | }; |