Commit | Line | Data |
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e9f207f0 JB |
1 | /* |
2 | * Copyright 2003-2005 Devicescape Software, Inc. | |
3 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> | |
4 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | |
d0a77c65 | 5 | * Copyright (C) 2015 Intel Deutschland GmbH |
e9f207f0 JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/kobject.h> | |
5a0e3ad6 | 13 | #include <linux/slab.h> |
e9f207f0 | 14 | #include "ieee80211_i.h" |
2c8dccc7 | 15 | #include "key.h" |
e9f207f0 JB |
16 | #include "debugfs.h" |
17 | #include "debugfs_key.h" | |
18 | ||
07caf9d6 | 19 | #define KEY_READ(name, prop, format_string) \ |
e9f207f0 JB |
20 | static ssize_t key_##name##_read(struct file *file, \ |
21 | char __user *userbuf, \ | |
22 | size_t count, loff_t *ppos) \ | |
23 | { \ | |
e9f207f0 | 24 | struct ieee80211_key *key = file->private_data; \ |
07caf9d6 EP |
25 | return mac80211_format_buffer(userbuf, count, ppos, \ |
26 | format_string, key->prop); \ | |
e9f207f0 | 27 | } |
07caf9d6 EP |
28 | #define KEY_READ_D(name) KEY_READ(name, name, "%d\n") |
29 | #define KEY_READ_X(name) KEY_READ(name, name, "0x%x\n") | |
e9f207f0 JB |
30 | |
31 | #define KEY_OPS(name) \ | |
32 | static const struct file_operations key_ ##name## _ops = { \ | |
33 | .read = key_##name##_read, \ | |
234e3405 | 34 | .open = simple_open, \ |
2b18ab36 | 35 | .llseek = generic_file_llseek, \ |
e9f207f0 JB |
36 | } |
37 | ||
d0a77c65 JB |
38 | #define KEY_OPS_W(name) \ |
39 | static const struct file_operations key_ ##name## _ops = { \ | |
40 | .read = key_##name##_read, \ | |
41 | .write = key_##name##_write, \ | |
42 | .open = simple_open, \ | |
43 | .llseek = generic_file_llseek, \ | |
44 | } | |
45 | ||
e9f207f0 JB |
46 | #define KEY_FILE(name, format) \ |
47 | KEY_READ_##format(name) \ | |
48 | KEY_OPS(name) | |
49 | ||
07caf9d6 EP |
50 | #define KEY_CONF_READ(name, format_string) \ |
51 | KEY_READ(conf_##name, conf.name, format_string) | |
52 | #define KEY_CONF_READ_D(name) KEY_CONF_READ(name, "%d\n") | |
8f20fc24 JB |
53 | |
54 | #define KEY_CONF_OPS(name) \ | |
55 | static const struct file_operations key_ ##name## _ops = { \ | |
56 | .read = key_conf_##name##_read, \ | |
234e3405 | 57 | .open = simple_open, \ |
2b18ab36 | 58 | .llseek = generic_file_llseek, \ |
8f20fc24 JB |
59 | } |
60 | ||
61 | #define KEY_CONF_FILE(name, format) \ | |
62 | KEY_CONF_READ_##format(name) \ | |
63 | KEY_CONF_OPS(name) | |
64 | ||
65 | KEY_CONF_FILE(keylen, D); | |
66 | KEY_CONF_FILE(keyidx, D); | |
67 | KEY_CONF_FILE(hw_key_idx, D); | |
11a843b7 | 68 | KEY_FILE(flags, X); |
07caf9d6 | 69 | KEY_READ(ifindex, sdata->name, "%s\n"); |
e7a64f12 | 70 | KEY_OPS(ifindex); |
e9f207f0 JB |
71 | |
72 | static ssize_t key_algorithm_read(struct file *file, | |
73 | char __user *userbuf, | |
74 | size_t count, loff_t *ppos) | |
75 | { | |
97359d12 | 76 | char buf[15]; |
e9f207f0 | 77 | struct ieee80211_key *key = file->private_data; |
97359d12 | 78 | u32 c = key->conf.cipher; |
e9f207f0 | 79 | |
97359d12 JB |
80 | sprintf(buf, "%.2x-%.2x-%.2x:%d\n", |
81 | c >> 24, (c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff); | |
82 | return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); | |
e9f207f0 JB |
83 | } |
84 | KEY_OPS(algorithm); | |
85 | ||
d0a77c65 JB |
86 | static ssize_t key_tx_spec_write(struct file *file, const char __user *userbuf, |
87 | size_t count, loff_t *ppos) | |
88 | { | |
89 | struct ieee80211_key *key = file->private_data; | |
90 | u64 pn; | |
91 | int ret; | |
92 | ||
93 | switch (key->conf.cipher) { | |
94 | case WLAN_CIPHER_SUITE_WEP40: | |
95 | case WLAN_CIPHER_SUITE_WEP104: | |
96 | return -EINVAL; | |
97 | case WLAN_CIPHER_SUITE_TKIP: | |
98 | /* not supported yet */ | |
99 | return -EOPNOTSUPP; | |
100 | case WLAN_CIPHER_SUITE_CCMP: | |
101 | case WLAN_CIPHER_SUITE_CCMP_256: | |
102 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
103 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: | |
104 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: | |
105 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
106 | case WLAN_CIPHER_SUITE_GCMP: | |
107 | case WLAN_CIPHER_SUITE_GCMP_256: | |
108 | ret = kstrtou64_from_user(userbuf, count, 16, &pn); | |
109 | if (ret) | |
110 | return ret; | |
111 | /* PN is a 48-bit counter */ | |
112 | if (pn >= (1ULL << 48)) | |
113 | return -ERANGE; | |
114 | atomic64_set(&key->conf.tx_pn, pn); | |
115 | return count; | |
116 | default: | |
117 | return 0; | |
118 | } | |
119 | } | |
120 | ||
e9f207f0 JB |
121 | static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf, |
122 | size_t count, loff_t *ppos) | |
123 | { | |
aba83a0b | 124 | u64 pn; |
e9f207f0 JB |
125 | char buf[20]; |
126 | int len; | |
127 | struct ieee80211_key *key = file->private_data; | |
128 | ||
97359d12 JB |
129 | switch (key->conf.cipher) { |
130 | case WLAN_CIPHER_SUITE_WEP40: | |
131 | case WLAN_CIPHER_SUITE_WEP104: | |
e9f207f0 | 132 | len = scnprintf(buf, sizeof(buf), "\n"); |
50339a67 | 133 | break; |
97359d12 | 134 | case WLAN_CIPHER_SUITE_TKIP: |
f8079d43 | 135 | pn = atomic64_read(&key->conf.tx_pn); |
e9f207f0 | 136 | len = scnprintf(buf, sizeof(buf), "%08x %04x\n", |
f8079d43 EP |
137 | TKIP_PN_TO_IV32(pn), |
138 | TKIP_PN_TO_IV16(pn)); | |
50339a67 | 139 | break; |
97359d12 | 140 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 141 | case WLAN_CIPHER_SUITE_CCMP_256: |
97359d12 | 142 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 143 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
8ade538b JM |
144 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
145 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
00b9cfa3 JM |
146 | case WLAN_CIPHER_SUITE_GCMP: |
147 | case WLAN_CIPHER_SUITE_GCMP_256: | |
db388a56 | 148 | pn = atomic64_read(&key->conf.tx_pn); |
00b9cfa3 JM |
149 | len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n", |
150 | (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24), | |
151 | (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn); | |
152 | break; | |
e9f207f0 JB |
153 | default: |
154 | return 0; | |
155 | } | |
156 | return simple_read_from_buffer(userbuf, count, ppos, buf, len); | |
157 | } | |
d0a77c65 | 158 | KEY_OPS_W(tx_spec); |
e9f207f0 JB |
159 | |
160 | static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf, | |
161 | size_t count, loff_t *ppos) | |
162 | { | |
163 | struct ieee80211_key *key = file->private_data; | |
5a306f58 | 164 | char buf[14*IEEE80211_NUM_TIDS+1], *p = buf; |
e9f207f0 JB |
165 | int i, len; |
166 | const u8 *rpn; | |
167 | ||
97359d12 JB |
168 | switch (key->conf.cipher) { |
169 | case WLAN_CIPHER_SUITE_WEP40: | |
170 | case WLAN_CIPHER_SUITE_WEP104: | |
e9f207f0 | 171 | len = scnprintf(buf, sizeof(buf), "\n"); |
50339a67 | 172 | break; |
97359d12 | 173 | case WLAN_CIPHER_SUITE_TKIP: |
5a306f58 | 174 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) |
e9f207f0 JB |
175 | p += scnprintf(p, sizeof(buf)+buf-p, |
176 | "%08x %04x\n", | |
b0f76b33 HH |
177 | key->u.tkip.rx[i].iv32, |
178 | key->u.tkip.rx[i].iv16); | |
e9f207f0 | 179 | len = p - buf; |
50339a67 | 180 | break; |
97359d12 | 181 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 182 | case WLAN_CIPHER_SUITE_CCMP_256: |
5a306f58 | 183 | for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) { |
e9f207f0 JB |
184 | rpn = key->u.ccmp.rx_pn[i]; |
185 | p += scnprintf(p, sizeof(buf)+buf-p, | |
186 | "%02x%02x%02x%02x%02x%02x\n", | |
187 | rpn[0], rpn[1], rpn[2], | |
188 | rpn[3], rpn[4], rpn[5]); | |
189 | } | |
190 | len = p - buf; | |
50339a67 | 191 | break; |
97359d12 | 192 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 193 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
3cfcf6ac JM |
194 | rpn = key->u.aes_cmac.rx_pn; |
195 | p += scnprintf(p, sizeof(buf)+buf-p, | |
196 | "%02x%02x%02x%02x%02x%02x\n", | |
197 | rpn[0], rpn[1], rpn[2], | |
198 | rpn[3], rpn[4], rpn[5]); | |
199 | len = p - buf; | |
200 | break; | |
8ade538b JM |
201 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
202 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
203 | rpn = key->u.aes_gmac.rx_pn; | |
204 | p += scnprintf(p, sizeof(buf)+buf-p, | |
205 | "%02x%02x%02x%02x%02x%02x\n", | |
206 | rpn[0], rpn[1], rpn[2], | |
207 | rpn[3], rpn[4], rpn[5]); | |
208 | len = p - buf; | |
209 | break; | |
00b9cfa3 JM |
210 | case WLAN_CIPHER_SUITE_GCMP: |
211 | case WLAN_CIPHER_SUITE_GCMP_256: | |
212 | for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) { | |
213 | rpn = key->u.gcmp.rx_pn[i]; | |
214 | p += scnprintf(p, sizeof(buf)+buf-p, | |
215 | "%02x%02x%02x%02x%02x%02x\n", | |
216 | rpn[0], rpn[1], rpn[2], | |
217 | rpn[3], rpn[4], rpn[5]); | |
218 | } | |
219 | len = p - buf; | |
220 | break; | |
e9f207f0 JB |
221 | default: |
222 | return 0; | |
223 | } | |
224 | return simple_read_from_buffer(userbuf, count, ppos, buf, len); | |
225 | } | |
226 | KEY_OPS(rx_spec); | |
227 | ||
228 | static ssize_t key_replays_read(struct file *file, char __user *userbuf, | |
229 | size_t count, loff_t *ppos) | |
230 | { | |
231 | struct ieee80211_key *key = file->private_data; | |
232 | char buf[20]; | |
233 | int len; | |
234 | ||
97359d12 JB |
235 | switch (key->conf.cipher) { |
236 | case WLAN_CIPHER_SUITE_CCMP: | |
2b2ba0db | 237 | case WLAN_CIPHER_SUITE_CCMP_256: |
3cfcf6ac JM |
238 | len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays); |
239 | break; | |
97359d12 | 240 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 241 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
3cfcf6ac JM |
242 | len = scnprintf(buf, sizeof(buf), "%u\n", |
243 | key->u.aes_cmac.replays); | |
244 | break; | |
8ade538b JM |
245 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
246 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
247 | len = scnprintf(buf, sizeof(buf), "%u\n", | |
248 | key->u.aes_gmac.replays); | |
249 | break; | |
00b9cfa3 JM |
250 | case WLAN_CIPHER_SUITE_GCMP: |
251 | case WLAN_CIPHER_SUITE_GCMP_256: | |
252 | len = scnprintf(buf, sizeof(buf), "%u\n", key->u.gcmp.replays); | |
253 | break; | |
3cfcf6ac | 254 | default: |
e9f207f0 | 255 | return 0; |
3cfcf6ac | 256 | } |
e9f207f0 JB |
257 | return simple_read_from_buffer(userbuf, count, ppos, buf, len); |
258 | } | |
259 | KEY_OPS(replays); | |
260 | ||
3cfcf6ac JM |
261 | static ssize_t key_icverrors_read(struct file *file, char __user *userbuf, |
262 | size_t count, loff_t *ppos) | |
263 | { | |
264 | struct ieee80211_key *key = file->private_data; | |
265 | char buf[20]; | |
266 | int len; | |
267 | ||
97359d12 JB |
268 | switch (key->conf.cipher) { |
269 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
56c52da2 | 270 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
3cfcf6ac JM |
271 | len = scnprintf(buf, sizeof(buf), "%u\n", |
272 | key->u.aes_cmac.icverrors); | |
273 | break; | |
8ade538b JM |
274 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
275 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
276 | len = scnprintf(buf, sizeof(buf), "%u\n", | |
277 | key->u.aes_gmac.icverrors); | |
278 | break; | |
3cfcf6ac JM |
279 | default: |
280 | return 0; | |
281 | } | |
282 | return simple_read_from_buffer(userbuf, count, ppos, buf, len); | |
283 | } | |
284 | KEY_OPS(icverrors); | |
285 | ||
b98ea058 S |
286 | static ssize_t key_mic_failures_read(struct file *file, char __user *userbuf, |
287 | size_t count, loff_t *ppos) | |
288 | { | |
289 | struct ieee80211_key *key = file->private_data; | |
290 | char buf[20]; | |
291 | int len; | |
292 | ||
293 | if (key->conf.cipher != WLAN_CIPHER_SUITE_TKIP) | |
294 | return -EINVAL; | |
295 | ||
296 | len = scnprintf(buf, sizeof(buf), "%u\n", key->u.tkip.mic_failures); | |
297 | ||
298 | return simple_read_from_buffer(userbuf, count, ppos, buf, len); | |
299 | } | |
300 | KEY_OPS(mic_failures); | |
301 | ||
e9f207f0 JB |
302 | static ssize_t key_key_read(struct file *file, char __user *userbuf, |
303 | size_t count, loff_t *ppos) | |
304 | { | |
305 | struct ieee80211_key *key = file->private_data; | |
520efd1a | 306 | int i, bufsize = 2 * key->conf.keylen + 2; |
e9f207f0 JB |
307 | char *buf = kmalloc(bufsize, GFP_KERNEL); |
308 | char *p = buf; | |
520efd1a JJ |
309 | ssize_t res; |
310 | ||
311 | if (!buf) | |
312 | return -ENOMEM; | |
e9f207f0 | 313 | |
8f20fc24 JB |
314 | for (i = 0; i < key->conf.keylen; i++) |
315 | p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]); | |
e9f207f0 JB |
316 | p += scnprintf(p, bufsize+buf-p, "\n"); |
317 | res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
318 | kfree(buf); | |
319 | return res; | |
320 | } | |
321 | KEY_OPS(key); | |
322 | ||
323 | #define DEBUGFS_ADD(name) \ | |
7bcfaf2f JB |
324 | debugfs_create_file(#name, 0400, key->debugfs.dir, \ |
325 | key, &key_##name##_ops); | |
d0a77c65 JB |
326 | #define DEBUGFS_ADD_W(name) \ |
327 | debugfs_create_file(#name, 0600, key->debugfs.dir, \ | |
328 | key, &key_##name##_ops); | |
e9f207f0 | 329 | |
3b96766f | 330 | void ieee80211_debugfs_key_add(struct ieee80211_key *key) |
9446f3ef | 331 | { |
50339a67 | 332 | static int keycount; |
9446f3ef | 333 | char buf[100]; |
3b96766f | 334 | struct sta_info *sta; |
e9f207f0 | 335 | |
3b96766f | 336 | if (!key->local->debugfs.keys) |
e9f207f0 JB |
337 | return; |
338 | ||
50339a67 | 339 | sprintf(buf, "%d", keycount); |
d9c58f30 | 340 | key->debugfs.cnt = keycount; |
50339a67 | 341 | keycount++; |
e9f207f0 | 342 | key->debugfs.dir = debugfs_create_dir(buf, |
3b96766f | 343 | key->local->debugfs.keys); |
e9f207f0 JB |
344 | |
345 | if (!key->debugfs.dir) | |
346 | return; | |
347 | ||
40b275b6 JB |
348 | sta = key->sta; |
349 | if (sta) { | |
9446f3ef JB |
350 | sprintf(buf, "../../netdev:%s/stations/%pM", |
351 | sta->sdata->name, sta->sta.addr); | |
3b96766f JB |
352 | key->debugfs.stalink = |
353 | debugfs_create_symlink("station", key->debugfs.dir, buf); | |
40b275b6 | 354 | } |
3b96766f | 355 | |
e9f207f0 | 356 | DEBUGFS_ADD(keylen); |
8f20fc24 | 357 | DEBUGFS_ADD(flags); |
e9f207f0 JB |
358 | DEBUGFS_ADD(keyidx); |
359 | DEBUGFS_ADD(hw_key_idx); | |
e9f207f0 | 360 | DEBUGFS_ADD(algorithm); |
d0a77c65 | 361 | DEBUGFS_ADD_W(tx_spec); |
e9f207f0 JB |
362 | DEBUGFS_ADD(rx_spec); |
363 | DEBUGFS_ADD(replays); | |
3cfcf6ac | 364 | DEBUGFS_ADD(icverrors); |
b98ea058 | 365 | DEBUGFS_ADD(mic_failures); |
e9f207f0 | 366 | DEBUGFS_ADD(key); |
e7a64f12 | 367 | DEBUGFS_ADD(ifindex); |
e9f207f0 JB |
368 | }; |
369 | ||
e9f207f0 JB |
370 | void ieee80211_debugfs_key_remove(struct ieee80211_key *key) |
371 | { | |
372 | if (!key) | |
373 | return; | |
374 | ||
7bcfaf2f | 375 | debugfs_remove_recursive(key->debugfs.dir); |
e9f207f0 JB |
376 | key->debugfs.dir = NULL; |
377 | } | |
f7e0104c JB |
378 | |
379 | void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata) | |
e9f207f0 JB |
380 | { |
381 | char buf[50]; | |
78520cad | 382 | struct ieee80211_key *key; |
e9f207f0 | 383 | |
ddbfe860 | 384 | if (!sdata->vif.debugfs_dir) |
e9f207f0 JB |
385 | return; |
386 | ||
f7e0104c | 387 | lockdep_assert_held(&sdata->local->key_mtx); |
78520cad | 388 | |
5c6761ad FF |
389 | debugfs_remove(sdata->debugfs.default_unicast_key); |
390 | sdata->debugfs.default_unicast_key = NULL; | |
135792ec | 391 | |
f7e0104c | 392 | if (sdata->default_unicast_key) { |
40b275b6 JB |
393 | key = key_mtx_dereference(sdata->local, |
394 | sdata->default_unicast_key); | |
78520cad | 395 | sprintf(buf, "../keys/%d", key->debugfs.cnt); |
f7e0104c JB |
396 | sdata->debugfs.default_unicast_key = |
397 | debugfs_create_symlink("default_unicast_key", | |
ddbfe860 | 398 | sdata->vif.debugfs_dir, buf); |
135792ec JB |
399 | } |
400 | ||
5c6761ad FF |
401 | debugfs_remove(sdata->debugfs.default_multicast_key); |
402 | sdata->debugfs.default_multicast_key = NULL; | |
e9f207f0 | 403 | |
f7e0104c | 404 | if (sdata->default_multicast_key) { |
40b275b6 JB |
405 | key = key_mtx_dereference(sdata->local, |
406 | sdata->default_multicast_key); | |
f7e0104c JB |
407 | sprintf(buf, "../keys/%d", key->debugfs.cnt); |
408 | sdata->debugfs.default_multicast_key = | |
409 | debugfs_create_symlink("default_multicast_key", | |
ddbfe860 | 410 | sdata->vif.debugfs_dir, buf); |
f7e0104c | 411 | } |
e9f207f0 | 412 | } |
e9f207f0 | 413 | |
3cfcf6ac JM |
414 | void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata) |
415 | { | |
416 | char buf[50]; | |
417 | struct ieee80211_key *key; | |
418 | ||
ddbfe860 | 419 | if (!sdata->vif.debugfs_dir) |
3cfcf6ac JM |
420 | return; |
421 | ||
40b275b6 JB |
422 | key = key_mtx_dereference(sdata->local, |
423 | sdata->default_mgmt_key); | |
3cfcf6ac JM |
424 | if (key) { |
425 | sprintf(buf, "../keys/%d", key->debugfs.cnt); | |
7bcfaf2f | 426 | sdata->debugfs.default_mgmt_key = |
3cfcf6ac | 427 | debugfs_create_symlink("default_mgmt_key", |
ddbfe860 | 428 | sdata->vif.debugfs_dir, buf); |
3cfcf6ac JM |
429 | } else |
430 | ieee80211_debugfs_key_remove_mgmt_default(sdata); | |
431 | } | |
432 | ||
433 | void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sdata) | |
434 | { | |
435 | if (!sdata) | |
436 | return; | |
437 | ||
7bcfaf2f JB |
438 | debugfs_remove(sdata->debugfs.default_mgmt_key); |
439 | sdata->debugfs.default_mgmt_key = NULL; | |
3cfcf6ac JM |
440 | } |
441 | ||
e9f207f0 JB |
442 | void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key, |
443 | struct sta_info *sta) | |
444 | { | |
445 | debugfs_remove(key->debugfs.stalink); | |
446 | key->debugfs.stalink = NULL; | |
447 | } |