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e9f207f0 JB |
1 | /* |
2 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> | |
3 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | |
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/kernel.h> | |
11 | #include <linux/device.h> | |
12 | #include <linux/if.h> | |
13 | #include <linux/interrupt.h> | |
14 | #include <linux/netdevice.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/notifier.h> | |
17 | #include <net/mac80211.h> | |
18 | #include <net/cfg80211.h> | |
19 | #include "ieee80211_i.h" | |
2c8dccc7 | 20 | #include "rate.h" |
e9f207f0 JB |
21 | #include "debugfs.h" |
22 | #include "debugfs_netdev.h" | |
23 | ||
24 | static ssize_t ieee80211_if_read( | |
25 | struct ieee80211_sub_if_data *sdata, | |
26 | char __user *userbuf, | |
27 | size_t count, loff_t *ppos, | |
28 | ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) | |
29 | { | |
30 | char buf[70]; | |
31 | ssize_t ret = -EINVAL; | |
32 | ||
33 | read_lock(&dev_base_lock); | |
73bb3e4a | 34 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
e9f207f0 | 35 | ret = (*format)(sdata, buf, sizeof(buf)); |
e9f207f0 | 36 | read_unlock(&dev_base_lock); |
73bb3e4a LCC |
37 | |
38 | if (ret != -EINVAL) | |
39 | ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); | |
40 | ||
e9f207f0 JB |
41 | return ret; |
42 | } | |
43 | ||
44 | #define IEEE80211_IF_FMT(name, field, format_string) \ | |
45 | static ssize_t ieee80211_if_fmt_##name( \ | |
46 | const struct ieee80211_sub_if_data *sdata, char *buf, \ | |
47 | int buflen) \ | |
48 | { \ | |
49 | return scnprintf(buf, buflen, format_string, sdata->field); \ | |
50 | } | |
51 | #define IEEE80211_IF_FMT_DEC(name, field) \ | |
52 | IEEE80211_IF_FMT(name, field, "%d\n") | |
53 | #define IEEE80211_IF_FMT_HEX(name, field) \ | |
54 | IEEE80211_IF_FMT(name, field, "%#x\n") | |
55 | #define IEEE80211_IF_FMT_SIZE(name, field) \ | |
56 | IEEE80211_IF_FMT(name, field, "%zd\n") | |
57 | ||
58 | #define IEEE80211_IF_FMT_ATOMIC(name, field) \ | |
59 | static ssize_t ieee80211_if_fmt_##name( \ | |
60 | const struct ieee80211_sub_if_data *sdata, \ | |
61 | char *buf, int buflen) \ | |
62 | { \ | |
63 | return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ | |
64 | } | |
65 | ||
66 | #define IEEE80211_IF_FMT_MAC(name, field) \ | |
67 | static ssize_t ieee80211_if_fmt_##name( \ | |
68 | const struct ieee80211_sub_if_data *sdata, char *buf, \ | |
69 | int buflen) \ | |
70 | { \ | |
0c68ae26 | 71 | return scnprintf(buf, buflen, "%pM\n", sdata->field); \ |
e9f207f0 JB |
72 | } |
73 | ||
74 | #define __IEEE80211_IF_FILE(name) \ | |
75 | static ssize_t ieee80211_if_read_##name(struct file *file, \ | |
76 | char __user *userbuf, \ | |
77 | size_t count, loff_t *ppos) \ | |
78 | { \ | |
79 | return ieee80211_if_read(file->private_data, \ | |
80 | userbuf, count, ppos, \ | |
81 | ieee80211_if_fmt_##name); \ | |
82 | } \ | |
83 | static const struct file_operations name##_ops = { \ | |
84 | .read = ieee80211_if_read_##name, \ | |
85 | .open = mac80211_open_file_generic, \ | |
86 | } | |
87 | ||
88 | #define IEEE80211_IF_FILE(name, field, format) \ | |
89 | IEEE80211_IF_FMT_##format(name, field) \ | |
90 | __IEEE80211_IF_FILE(name) | |
91 | ||
92 | /* common attributes */ | |
e9f207f0 | 93 | IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); |
3e122be0 JB |
94 | IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC); |
95 | IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC); | |
e9f207f0 | 96 | |
46900298 JB |
97 | /* STA attributes */ |
98 | IEEE80211_IF_FILE(state, u.mgd.state, DEC); | |
99 | IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC); | |
100 | IEEE80211_IF_FILE(prev_bssid, u.mgd.prev_bssid, MAC); | |
101 | IEEE80211_IF_FILE(ssid_len, u.mgd.ssid_len, SIZE); | |
102 | IEEE80211_IF_FILE(aid, u.mgd.aid, DEC); | |
103 | IEEE80211_IF_FILE(ap_capab, u.mgd.ap_capab, HEX); | |
104 | IEEE80211_IF_FILE(capab, u.mgd.capab, HEX); | |
105 | IEEE80211_IF_FILE(extra_ie_len, u.mgd.extra_ie_len, SIZE); | |
106 | IEEE80211_IF_FILE(auth_tries, u.mgd.auth_tries, DEC); | |
107 | IEEE80211_IF_FILE(assoc_tries, u.mgd.assoc_tries, DEC); | |
108 | IEEE80211_IF_FILE(auth_algs, u.mgd.auth_algs, HEX); | |
109 | IEEE80211_IF_FILE(auth_alg, u.mgd.auth_alg, DEC); | |
110 | IEEE80211_IF_FILE(auth_transaction, u.mgd.auth_transaction, DEC); | |
e9f207f0 JB |
111 | |
112 | static ssize_t ieee80211_if_fmt_flags( | |
113 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
114 | { | |
115 | return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n", | |
46900298 JB |
116 | sdata->u.mgd.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "", |
117 | sdata->u.mgd.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "", | |
118 | sdata->u.mgd.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "", | |
119 | sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "", | |
120 | sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "", | |
121 | sdata->u.mgd.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "", | |
bda3933a | 122 | sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : ""); |
e9f207f0 JB |
123 | } |
124 | __IEEE80211_IF_FILE(flags); | |
125 | ||
126 | /* AP attributes */ | |
127 | IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); | |
e9f207f0 | 128 | IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); |
e9f207f0 JB |
129 | |
130 | static ssize_t ieee80211_if_fmt_num_buffered_multicast( | |
131 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) | |
132 | { | |
133 | return scnprintf(buf, buflen, "%u\n", | |
134 | skb_queue_len(&sdata->u.ap.ps_bc_buf)); | |
135 | } | |
136 | __IEEE80211_IF_FILE(num_buffered_multicast); | |
137 | ||
e9f207f0 JB |
138 | /* WDS attributes */ |
139 | IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); | |
140 | ||
9f42f607 LCC |
141 | #ifdef CONFIG_MAC80211_MESH |
142 | /* Mesh stats attributes */ | |
472dbc45 JB |
143 | IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); |
144 | IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); | |
9f42f607 | 145 | IEEE80211_IF_FILE(dropped_frames_no_route, |
472dbc45 JB |
146 | u.mesh.mshstats.dropped_frames_no_route, DEC); |
147 | IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC); | |
9f42f607 LCC |
148 | |
149 | /* Mesh parameters */ | |
36ff382d JB |
150 | IEEE80211_IF_FILE(dot11MeshMaxRetries, |
151 | u.mesh.mshcfg.dot11MeshMaxRetries, DEC); | |
152 | IEEE80211_IF_FILE(dot11MeshRetryTimeout, | |
153 | u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); | |
154 | IEEE80211_IF_FILE(dot11MeshConfirmTimeout, | |
155 | u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); | |
156 | IEEE80211_IF_FILE(dot11MeshHoldingTimeout, | |
157 | u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); | |
158 | IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); | |
159 | IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); | |
160 | IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, | |
161 | u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); | |
162 | IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, | |
163 | u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); | |
164 | IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, | |
165 | u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); | |
166 | IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, | |
167 | u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); | |
168 | IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, | |
169 | u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); | |
170 | IEEE80211_IF_FILE(path_refresh_time, | |
171 | u.mesh.mshcfg.path_refresh_time, DEC); | |
172 | IEEE80211_IF_FILE(min_discovery_timeout, | |
173 | u.mesh.mshcfg.min_discovery_timeout, DEC); | |
9f42f607 LCC |
174 | #endif |
175 | ||
176 | ||
e9f207f0 | 177 | #define DEBUGFS_ADD(name, type)\ |
bebb8a5e | 178 | sdata->debugfs.type.name = debugfs_create_file(#name, 0400,\ |
e9f207f0 JB |
179 | sdata->debugfsdir, sdata, &name##_ops); |
180 | ||
181 | static void add_sta_files(struct ieee80211_sub_if_data *sdata) | |
182 | { | |
e9f207f0 | 183 | DEBUGFS_ADD(drop_unencrypted, sta); |
93015f0f JM |
184 | DEBUGFS_ADD(force_unicast_rateidx, sta); |
185 | DEBUGFS_ADD(max_ratectrl_rateidx, sta); | |
3e122be0 | 186 | |
e9f207f0 JB |
187 | DEBUGFS_ADD(state, sta); |
188 | DEBUGFS_ADD(bssid, sta); | |
189 | DEBUGFS_ADD(prev_bssid, sta); | |
190 | DEBUGFS_ADD(ssid_len, sta); | |
191 | DEBUGFS_ADD(aid, sta); | |
192 | DEBUGFS_ADD(ap_capab, sta); | |
193 | DEBUGFS_ADD(capab, sta); | |
194 | DEBUGFS_ADD(extra_ie_len, sta); | |
195 | DEBUGFS_ADD(auth_tries, sta); | |
196 | DEBUGFS_ADD(assoc_tries, sta); | |
197 | DEBUGFS_ADD(auth_algs, sta); | |
198 | DEBUGFS_ADD(auth_alg, sta); | |
199 | DEBUGFS_ADD(auth_transaction, sta); | |
200 | DEBUGFS_ADD(flags, sta); | |
201 | } | |
202 | ||
203 | static void add_ap_files(struct ieee80211_sub_if_data *sdata) | |
204 | { | |
e9f207f0 | 205 | DEBUGFS_ADD(drop_unencrypted, ap); |
3e122be0 JB |
206 | DEBUGFS_ADD(force_unicast_rateidx, ap); |
207 | DEBUGFS_ADD(max_ratectrl_rateidx, ap); | |
208 | ||
e9f207f0 | 209 | DEBUGFS_ADD(num_sta_ps, ap); |
e9f207f0 | 210 | DEBUGFS_ADD(dtim_count, ap); |
e9f207f0 | 211 | DEBUGFS_ADD(num_buffered_multicast, ap); |
e9f207f0 JB |
212 | } |
213 | ||
214 | static void add_wds_files(struct ieee80211_sub_if_data *sdata) | |
215 | { | |
e9f207f0 | 216 | DEBUGFS_ADD(drop_unencrypted, wds); |
93015f0f JM |
217 | DEBUGFS_ADD(force_unicast_rateidx, wds); |
218 | DEBUGFS_ADD(max_ratectrl_rateidx, wds); | |
3e122be0 | 219 | |
e9f207f0 JB |
220 | DEBUGFS_ADD(peer, wds); |
221 | } | |
222 | ||
223 | static void add_vlan_files(struct ieee80211_sub_if_data *sdata) | |
224 | { | |
e9f207f0 | 225 | DEBUGFS_ADD(drop_unencrypted, vlan); |
93015f0f JM |
226 | DEBUGFS_ADD(force_unicast_rateidx, vlan); |
227 | DEBUGFS_ADD(max_ratectrl_rateidx, vlan); | |
e9f207f0 JB |
228 | } |
229 | ||
230 | static void add_monitor_files(struct ieee80211_sub_if_data *sdata) | |
231 | { | |
e9f207f0 JB |
232 | } |
233 | ||
9f42f607 LCC |
234 | #ifdef CONFIG_MAC80211_MESH |
235 | #define MESHSTATS_ADD(name)\ | |
bebb8a5e | 236 | sdata->mesh_stats.name = debugfs_create_file(#name, 0400,\ |
9f42f607 LCC |
237 | sdata->mesh_stats_dir, sdata, &name##_ops); |
238 | ||
239 | static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) | |
240 | { | |
241 | sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats", | |
242 | sdata->debugfsdir); | |
243 | MESHSTATS_ADD(fwded_frames); | |
244 | MESHSTATS_ADD(dropped_frames_ttl); | |
245 | MESHSTATS_ADD(dropped_frames_no_route); | |
246 | MESHSTATS_ADD(estab_plinks); | |
247 | } | |
248 | ||
249 | #define MESHPARAMS_ADD(name)\ | |
bebb8a5e | 250 | sdata->mesh_config.name = debugfs_create_file(#name, 0600,\ |
9f42f607 LCC |
251 | sdata->mesh_config_dir, sdata, &name##_ops); |
252 | ||
253 | static void add_mesh_config(struct ieee80211_sub_if_data *sdata) | |
254 | { | |
255 | sdata->mesh_config_dir = debugfs_create_dir("mesh_config", | |
256 | sdata->debugfsdir); | |
257 | MESHPARAMS_ADD(dot11MeshMaxRetries); | |
258 | MESHPARAMS_ADD(dot11MeshRetryTimeout); | |
259 | MESHPARAMS_ADD(dot11MeshConfirmTimeout); | |
260 | MESHPARAMS_ADD(dot11MeshHoldingTimeout); | |
261 | MESHPARAMS_ADD(dot11MeshTTL); | |
262 | MESHPARAMS_ADD(auto_open_plinks); | |
263 | MESHPARAMS_ADD(dot11MeshMaxPeerLinks); | |
264 | MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); | |
265 | MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); | |
266 | MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); | |
267 | MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); | |
268 | MESHPARAMS_ADD(path_refresh_time); | |
269 | MESHPARAMS_ADD(min_discovery_timeout); | |
270 | } | |
271 | #endif | |
272 | ||
e9f207f0 JB |
273 | static void add_files(struct ieee80211_sub_if_data *sdata) |
274 | { | |
275 | if (!sdata->debugfsdir) | |
276 | return; | |
277 | ||
51fb61e7 | 278 | switch (sdata->vif.type) { |
05c914fe | 279 | case NL80211_IFTYPE_MESH_POINT: |
9f42f607 LCC |
280 | #ifdef CONFIG_MAC80211_MESH |
281 | add_mesh_stats(sdata); | |
282 | add_mesh_config(sdata); | |
283 | #endif | |
472dbc45 | 284 | break; |
05c914fe | 285 | case NL80211_IFTYPE_STATION: |
e9f207f0 JB |
286 | add_sta_files(sdata); |
287 | break; | |
46900298 JB |
288 | case NL80211_IFTYPE_ADHOC: |
289 | /* XXX */ | |
290 | break; | |
05c914fe | 291 | case NL80211_IFTYPE_AP: |
e9f207f0 JB |
292 | add_ap_files(sdata); |
293 | break; | |
05c914fe | 294 | case NL80211_IFTYPE_WDS: |
e9f207f0 JB |
295 | add_wds_files(sdata); |
296 | break; | |
05c914fe | 297 | case NL80211_IFTYPE_MONITOR: |
e9f207f0 JB |
298 | add_monitor_files(sdata); |
299 | break; | |
05c914fe | 300 | case NL80211_IFTYPE_AP_VLAN: |
e9f207f0 JB |
301 | add_vlan_files(sdata); |
302 | break; | |
303 | default: | |
304 | break; | |
305 | } | |
306 | } | |
307 | ||
21887b2f ZY |
308 | #define DEBUGFS_DEL(name, type) \ |
309 | do { \ | |
310 | debugfs_remove(sdata->debugfs.type.name); \ | |
311 | sdata->debugfs.type.name = NULL; \ | |
312 | } while (0) | |
e9f207f0 JB |
313 | |
314 | static void del_sta_files(struct ieee80211_sub_if_data *sdata) | |
315 | { | |
e9f207f0 | 316 | DEBUGFS_DEL(drop_unencrypted, sta); |
93015f0f JM |
317 | DEBUGFS_DEL(force_unicast_rateidx, sta); |
318 | DEBUGFS_DEL(max_ratectrl_rateidx, sta); | |
3e122be0 | 319 | |
e9f207f0 JB |
320 | DEBUGFS_DEL(state, sta); |
321 | DEBUGFS_DEL(bssid, sta); | |
322 | DEBUGFS_DEL(prev_bssid, sta); | |
323 | DEBUGFS_DEL(ssid_len, sta); | |
324 | DEBUGFS_DEL(aid, sta); | |
325 | DEBUGFS_DEL(ap_capab, sta); | |
326 | DEBUGFS_DEL(capab, sta); | |
327 | DEBUGFS_DEL(extra_ie_len, sta); | |
328 | DEBUGFS_DEL(auth_tries, sta); | |
329 | DEBUGFS_DEL(assoc_tries, sta); | |
330 | DEBUGFS_DEL(auth_algs, sta); | |
331 | DEBUGFS_DEL(auth_alg, sta); | |
332 | DEBUGFS_DEL(auth_transaction, sta); | |
333 | DEBUGFS_DEL(flags, sta); | |
334 | } | |
335 | ||
336 | static void del_ap_files(struct ieee80211_sub_if_data *sdata) | |
337 | { | |
e9f207f0 | 338 | DEBUGFS_DEL(drop_unencrypted, ap); |
3e122be0 JB |
339 | DEBUGFS_DEL(force_unicast_rateidx, ap); |
340 | DEBUGFS_DEL(max_ratectrl_rateidx, ap); | |
341 | ||
e9f207f0 | 342 | DEBUGFS_DEL(num_sta_ps, ap); |
e9f207f0 | 343 | DEBUGFS_DEL(dtim_count, ap); |
e9f207f0 | 344 | DEBUGFS_DEL(num_buffered_multicast, ap); |
e9f207f0 JB |
345 | } |
346 | ||
347 | static void del_wds_files(struct ieee80211_sub_if_data *sdata) | |
348 | { | |
e9f207f0 | 349 | DEBUGFS_DEL(drop_unencrypted, wds); |
93015f0f JM |
350 | DEBUGFS_DEL(force_unicast_rateidx, wds); |
351 | DEBUGFS_DEL(max_ratectrl_rateidx, wds); | |
3e122be0 | 352 | |
e9f207f0 JB |
353 | DEBUGFS_DEL(peer, wds); |
354 | } | |
355 | ||
356 | static void del_vlan_files(struct ieee80211_sub_if_data *sdata) | |
357 | { | |
e9f207f0 | 358 | DEBUGFS_DEL(drop_unencrypted, vlan); |
93015f0f JM |
359 | DEBUGFS_DEL(force_unicast_rateidx, vlan); |
360 | DEBUGFS_DEL(max_ratectrl_rateidx, vlan); | |
e9f207f0 JB |
361 | } |
362 | ||
363 | static void del_monitor_files(struct ieee80211_sub_if_data *sdata) | |
364 | { | |
e9f207f0 JB |
365 | } |
366 | ||
9f42f607 LCC |
367 | #ifdef CONFIG_MAC80211_MESH |
368 | #define MESHSTATS_DEL(name) \ | |
369 | do { \ | |
370 | debugfs_remove(sdata->mesh_stats.name); \ | |
371 | sdata->mesh_stats.name = NULL; \ | |
372 | } while (0) | |
373 | ||
374 | static void del_mesh_stats(struct ieee80211_sub_if_data *sdata) | |
375 | { | |
376 | MESHSTATS_DEL(fwded_frames); | |
377 | MESHSTATS_DEL(dropped_frames_ttl); | |
378 | MESHSTATS_DEL(dropped_frames_no_route); | |
379 | MESHSTATS_DEL(estab_plinks); | |
380 | debugfs_remove(sdata->mesh_stats_dir); | |
381 | sdata->mesh_stats_dir = NULL; | |
382 | } | |
383 | ||
384 | #define MESHPARAMS_DEL(name) \ | |
385 | do { \ | |
386 | debugfs_remove(sdata->mesh_config.name); \ | |
387 | sdata->mesh_config.name = NULL; \ | |
388 | } while (0) | |
389 | ||
390 | static void del_mesh_config(struct ieee80211_sub_if_data *sdata) | |
391 | { | |
392 | MESHPARAMS_DEL(dot11MeshMaxRetries); | |
393 | MESHPARAMS_DEL(dot11MeshRetryTimeout); | |
394 | MESHPARAMS_DEL(dot11MeshConfirmTimeout); | |
395 | MESHPARAMS_DEL(dot11MeshHoldingTimeout); | |
396 | MESHPARAMS_DEL(dot11MeshTTL); | |
397 | MESHPARAMS_DEL(auto_open_plinks); | |
398 | MESHPARAMS_DEL(dot11MeshMaxPeerLinks); | |
399 | MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout); | |
400 | MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval); | |
401 | MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime); | |
402 | MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries); | |
403 | MESHPARAMS_DEL(path_refresh_time); | |
404 | MESHPARAMS_DEL(min_discovery_timeout); | |
405 | debugfs_remove(sdata->mesh_config_dir); | |
406 | sdata->mesh_config_dir = NULL; | |
407 | } | |
408 | #endif | |
409 | ||
75636525 | 410 | static void del_files(struct ieee80211_sub_if_data *sdata) |
e9f207f0 JB |
411 | { |
412 | if (!sdata->debugfsdir) | |
413 | return; | |
414 | ||
75636525 | 415 | switch (sdata->vif.type) { |
05c914fe | 416 | case NL80211_IFTYPE_MESH_POINT: |
9f42f607 LCC |
417 | #ifdef CONFIG_MAC80211_MESH |
418 | del_mesh_stats(sdata); | |
419 | del_mesh_config(sdata); | |
420 | #endif | |
472dbc45 | 421 | break; |
05c914fe | 422 | case NL80211_IFTYPE_STATION: |
e9f207f0 JB |
423 | del_sta_files(sdata); |
424 | break; | |
46900298 JB |
425 | case NL80211_IFTYPE_ADHOC: |
426 | /* XXX */ | |
427 | break; | |
05c914fe | 428 | case NL80211_IFTYPE_AP: |
e9f207f0 JB |
429 | del_ap_files(sdata); |
430 | break; | |
05c914fe | 431 | case NL80211_IFTYPE_WDS: |
e9f207f0 JB |
432 | del_wds_files(sdata); |
433 | break; | |
05c914fe | 434 | case NL80211_IFTYPE_MONITOR: |
e9f207f0 JB |
435 | del_monitor_files(sdata); |
436 | break; | |
05c914fe | 437 | case NL80211_IFTYPE_AP_VLAN: |
e9f207f0 JB |
438 | del_vlan_files(sdata); |
439 | break; | |
440 | default: | |
441 | break; | |
442 | } | |
443 | } | |
444 | ||
445 | static int notif_registered; | |
446 | ||
447 | void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) | |
448 | { | |
449 | char buf[10+IFNAMSIZ]; | |
450 | ||
451 | if (!notif_registered) | |
452 | return; | |
453 | ||
454 | sprintf(buf, "netdev:%s", sdata->dev->name); | |
455 | sdata->debugfsdir = debugfs_create_dir(buf, | |
456 | sdata->local->hw.wiphy->debugfsdir); | |
75636525 | 457 | add_files(sdata); |
e9f207f0 JB |
458 | } |
459 | ||
460 | void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) | |
461 | { | |
75636525 | 462 | del_files(sdata); |
e9f207f0 JB |
463 | debugfs_remove(sdata->debugfsdir); |
464 | sdata->debugfsdir = NULL; | |
465 | } | |
466 | ||
988c0f72 | 467 | static int netdev_notify(struct notifier_block *nb, |
e9f207f0 JB |
468 | unsigned long state, |
469 | void *ndev) | |
470 | { | |
471 | struct net_device *dev = ndev; | |
7c8081eb | 472 | struct dentry *dir; |
3e122be0 | 473 | struct ieee80211_sub_if_data *sdata; |
e9f207f0 JB |
474 | char buf[10+IFNAMSIZ]; |
475 | ||
476 | if (state != NETDEV_CHANGENAME) | |
477 | return 0; | |
478 | ||
479 | if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy) | |
480 | return 0; | |
481 | ||
482 | if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid) | |
483 | return 0; | |
484 | ||
3e122be0 JB |
485 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
486 | ||
7c8081eb | 487 | dir = sdata->debugfsdir; |
c74e90a9 JB |
488 | |
489 | if (!dir) | |
490 | return 0; | |
491 | ||
492 | sprintf(buf, "netdev:%s", dev->name); | |
7c8081eb JB |
493 | if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) |
494 | printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs " | |
495 | "dir to %s\n", buf); | |
e9f207f0 JB |
496 | |
497 | return 0; | |
498 | } | |
499 | ||
500 | static struct notifier_block mac80211_debugfs_netdev_notifier = { | |
501 | .notifier_call = netdev_notify, | |
502 | }; | |
503 | ||
504 | void ieee80211_debugfs_netdev_init(void) | |
505 | { | |
506 | int err; | |
507 | ||
508 | err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier); | |
509 | if (err) { | |
510 | printk(KERN_ERR | |
511 | "mac80211: failed to install netdev notifier," | |
512 | " disabling per-netdev debugfs!\n"); | |
513 | } else | |
514 | notif_registered = 1; | |
515 | } | |
516 | ||
517 | void ieee80211_debugfs_netdev_exit(void) | |
518 | { | |
519 | unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier); | |
520 | notif_registered = 0; | |
521 | } |