Commit | Line | Data |
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e19f9759 | 1 | /* Copyright (C) 2010-2014 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
2 | * |
3 | * Marek Lindner | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of version 2 of the GNU General Public | |
7 | * License as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
ebf38fb7 | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
c6c8fea2 SE |
16 | */ |
17 | ||
18 | #include "main.h" | |
19 | ||
20 | #include <linux/debugfs.h> | |
21 | ||
b706b13b | 22 | #include "debugfs.h" |
c6c8fea2 SE |
23 | #include "translation-table.h" |
24 | #include "originator.h" | |
25 | #include "hard-interface.h" | |
26 | #include "gateway_common.h" | |
27 | #include "gateway_client.h" | |
28 | #include "soft-interface.h" | |
c6c8fea2 | 29 | #include "icmp_socket.h" |
9bf8e4d4 | 30 | #include "bridge_loop_avoidance.h" |
2f1dfbe1 | 31 | #include "distributed-arp-table.h" |
d56b1705 | 32 | #include "network-coding.h" |
c6c8fea2 | 33 | |
9e466250 | 34 | static struct dentry *batadv_debugfs; |
c6c8fea2 SE |
35 | |
36 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
347c80f0 | 37 | #define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) |
c6c8fea2 | 38 | |
a8a0a62d SE |
39 | static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN; |
40 | ||
0abf5d81 | 41 | static char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log, |
a8a0a62d SE |
42 | size_t idx) |
43 | { | |
44 | return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK]; | |
45 | } | |
c6c8fea2 | 46 | |
0abf5d81 ML |
47 | static void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log, |
48 | char c) | |
c6c8fea2 | 49 | { |
a8a0a62d SE |
50 | char *char_addr; |
51 | ||
52 | char_addr = batadv_log_char_addr(debug_log, debug_log->log_end); | |
53 | *char_addr = c; | |
c6c8fea2 SE |
54 | debug_log->log_end++; |
55 | ||
9e466250 SE |
56 | if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) |
57 | debug_log->log_start = debug_log->log_end - batadv_log_buff_len; | |
c6c8fea2 SE |
58 | } |
59 | ||
d3a547be | 60 | __printf(2, 3) |
0abf5d81 | 61 | static int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log, |
56303d34 | 62 | const char *fmt, ...) |
c6c8fea2 | 63 | { |
c6c8fea2 SE |
64 | va_list args; |
65 | static char debug_log_buf[256]; | |
66 | char *p; | |
67 | ||
68 | if (!debug_log) | |
69 | return 0; | |
70 | ||
71 | spin_lock_bh(&debug_log->lock); | |
72 | va_start(args, fmt); | |
1299bdaa | 73 | vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); |
c6c8fea2 SE |
74 | va_end(args); |
75 | ||
76 | for (p = debug_log_buf; *p != 0; p++) | |
9e466250 | 77 | batadv_emit_log_char(debug_log, *p); |
c6c8fea2 SE |
78 | |
79 | spin_unlock_bh(&debug_log->lock); | |
80 | ||
81 | wake_up(&debug_log->queue_wait); | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
56303d34 | 86 | int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) |
c6c8fea2 SE |
87 | { |
88 | va_list args; | |
89 | char tmp_log_buf[256]; | |
90 | ||
91 | va_start(args, fmt); | |
92 | vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args); | |
9e466250 SE |
93 | batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s", |
94 | jiffies_to_msecs(jiffies), tmp_log_buf); | |
c6c8fea2 SE |
95 | va_end(args); |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
9e466250 | 100 | static int batadv_log_open(struct inode *inode, struct file *file) |
c6c8fea2 | 101 | { |
bd5b80d5 SE |
102 | if (!try_module_get(THIS_MODULE)) |
103 | return -EBUSY; | |
104 | ||
c6c8fea2 SE |
105 | nonseekable_open(inode, file); |
106 | file->private_data = inode->i_private; | |
c6c8fea2 SE |
107 | return 0; |
108 | } | |
109 | ||
9e466250 | 110 | static int batadv_log_release(struct inode *inode, struct file *file) |
c6c8fea2 | 111 | { |
bd5b80d5 | 112 | module_put(THIS_MODULE); |
c6c8fea2 SE |
113 | return 0; |
114 | } | |
115 | ||
0abf5d81 | 116 | static int batadv_log_empty(struct batadv_priv_debug_log *debug_log) |
0aca2369 SE |
117 | { |
118 | return !(debug_log->log_start - debug_log->log_end); | |
119 | } | |
120 | ||
9e466250 SE |
121 | static ssize_t batadv_log_read(struct file *file, char __user *buf, |
122 | size_t count, loff_t *ppos) | |
c6c8fea2 | 123 | { |
56303d34 | 124 | struct batadv_priv *bat_priv = file->private_data; |
0abf5d81 | 125 | struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; |
c6c8fea2 | 126 | int error, i = 0; |
a8a0a62d | 127 | char *char_addr; |
c6c8fea2 SE |
128 | char c; |
129 | ||
0aca2369 | 130 | if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log)) |
c6c8fea2 SE |
131 | return -EAGAIN; |
132 | ||
16f14b45 | 133 | if (!buf) |
c6c8fea2 SE |
134 | return -EINVAL; |
135 | ||
136 | if (count == 0) | |
137 | return 0; | |
138 | ||
139 | if (!access_ok(VERIFY_WRITE, buf, count)) | |
140 | return -EFAULT; | |
141 | ||
142 | error = wait_event_interruptible(debug_log->queue_wait, | |
0aca2369 | 143 | (!batadv_log_empty(debug_log))); |
c6c8fea2 SE |
144 | |
145 | if (error) | |
146 | return error; | |
147 | ||
148 | spin_lock_bh(&debug_log->lock); | |
149 | ||
150 | while ((!error) && (i < count) && | |
151 | (debug_log->log_start != debug_log->log_end)) { | |
a8a0a62d SE |
152 | char_addr = batadv_log_char_addr(debug_log, |
153 | debug_log->log_start); | |
154 | c = *char_addr; | |
c6c8fea2 SE |
155 | |
156 | debug_log->log_start++; | |
157 | ||
158 | spin_unlock_bh(&debug_log->lock); | |
159 | ||
160 | error = __put_user(c, buf); | |
161 | ||
162 | spin_lock_bh(&debug_log->lock); | |
163 | ||
164 | buf++; | |
165 | i++; | |
c6c8fea2 SE |
166 | } |
167 | ||
168 | spin_unlock_bh(&debug_log->lock); | |
169 | ||
170 | if (!error) | |
171 | return i; | |
172 | ||
173 | return error; | |
174 | } | |
175 | ||
9e466250 | 176 | static unsigned int batadv_log_poll(struct file *file, poll_table *wait) |
c6c8fea2 | 177 | { |
56303d34 | 178 | struct batadv_priv *bat_priv = file->private_data; |
0abf5d81 | 179 | struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; |
c6c8fea2 SE |
180 | |
181 | poll_wait(file, &debug_log->queue_wait, wait); | |
182 | ||
0aca2369 | 183 | if (!batadv_log_empty(debug_log)) |
c6c8fea2 SE |
184 | return POLLIN | POLLRDNORM; |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
9e466250 SE |
189 | static const struct file_operations batadv_log_fops = { |
190 | .open = batadv_log_open, | |
191 | .release = batadv_log_release, | |
192 | .read = batadv_log_read, | |
193 | .poll = batadv_log_poll, | |
c6c8fea2 SE |
194 | .llseek = no_llseek, |
195 | }; | |
196 | ||
56303d34 | 197 | static int batadv_debug_log_setup(struct batadv_priv *bat_priv) |
c6c8fea2 SE |
198 | { |
199 | struct dentry *d; | |
200 | ||
201 | if (!bat_priv->debug_dir) | |
202 | goto err; | |
203 | ||
704509b8 | 204 | bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC); |
c6c8fea2 SE |
205 | if (!bat_priv->debug_log) |
206 | goto err; | |
207 | ||
208 | spin_lock_init(&bat_priv->debug_log->lock); | |
209 | init_waitqueue_head(&bat_priv->debug_log->queue_wait); | |
210 | ||
211 | d = debugfs_create_file("log", S_IFREG | S_IRUSR, | |
9e466250 SE |
212 | bat_priv->debug_dir, bat_priv, |
213 | &batadv_log_fops); | |
5346c35e | 214 | if (!d) |
c6c8fea2 SE |
215 | goto err; |
216 | ||
217 | return 0; | |
218 | ||
219 | err: | |
5346c35e | 220 | return -ENOMEM; |
c6c8fea2 SE |
221 | } |
222 | ||
56303d34 | 223 | static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) |
c6c8fea2 SE |
224 | { |
225 | kfree(bat_priv->debug_log); | |
226 | bat_priv->debug_log = NULL; | |
227 | } | |
228 | #else /* CONFIG_BATMAN_ADV_DEBUG */ | |
56303d34 | 229 | static int batadv_debug_log_setup(struct batadv_priv *bat_priv) |
c6c8fea2 | 230 | { |
c6c8fea2 SE |
231 | return 0; |
232 | } | |
233 | ||
56303d34 | 234 | static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) |
c6c8fea2 SE |
235 | { |
236 | return; | |
237 | } | |
238 | #endif | |
239 | ||
9e466250 | 240 | static int batadv_algorithms_open(struct inode *inode, struct file *file) |
1c280471 | 241 | { |
3193e8fd | 242 | return single_open(file, batadv_algo_seq_print_text, NULL); |
1c280471 ML |
243 | } |
244 | ||
9e466250 | 245 | static int batadv_originators_open(struct inode *inode, struct file *file) |
c6c8fea2 SE |
246 | { |
247 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
7d211efc | 248 | return single_open(file, batadv_orig_seq_print_text, net_dev); |
c6c8fea2 SE |
249 | } |
250 | ||
cb1c92ec SW |
251 | /** |
252 | * batadv_originators_hardif_open - handles debugfs output for the | |
253 | * originator table of an hard interface | |
254 | * @inode: inode pointer to debugfs file | |
255 | * @file: pointer to the seq_file | |
256 | */ | |
257 | static int batadv_originators_hardif_open(struct inode *inode, | |
258 | struct file *file) | |
259 | { | |
260 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
261 | return single_open(file, batadv_orig_hardif_seq_print_text, net_dev); | |
262 | } | |
263 | ||
9e466250 | 264 | static int batadv_gateways_open(struct inode *inode, struct file *file) |
c6c8fea2 SE |
265 | { |
266 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
7cf06bc6 | 267 | return single_open(file, batadv_gw_client_seq_print_text, net_dev); |
c6c8fea2 SE |
268 | } |
269 | ||
9e466250 | 270 | static int batadv_transtable_global_open(struct inode *inode, struct file *file) |
c6c8fea2 SE |
271 | { |
272 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
08c36d3e | 273 | return single_open(file, batadv_tt_global_seq_print_text, net_dev); |
c6c8fea2 SE |
274 | } |
275 | ||
7a5cc242 | 276 | #ifdef CONFIG_BATMAN_ADV_BLA |
9e466250 | 277 | static int batadv_bla_claim_table_open(struct inode *inode, struct file *file) |
9bf8e4d4 SW |
278 | { |
279 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
08adf151 SE |
280 | return single_open(file, batadv_bla_claim_table_seq_print_text, |
281 | net_dev); | |
9bf8e4d4 | 282 | } |
536a23f1 SW |
283 | |
284 | static int batadv_bla_backbone_table_open(struct inode *inode, | |
285 | struct file *file) | |
286 | { | |
287 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
288 | return single_open(file, batadv_bla_backbone_table_seq_print_text, | |
289 | net_dev); | |
290 | } | |
291 | ||
7a5cc242 | 292 | #endif |
9bf8e4d4 | 293 | |
17224474 | 294 | #ifdef CONFIG_BATMAN_ADV_DAT |
2f1dfbe1 AQ |
295 | /** |
296 | * batadv_dat_cache_open - Prepare file handler for reads from dat_chache | |
297 | * @inode: inode which was opened | |
298 | * @file: file handle to be initialized | |
299 | */ | |
300 | static int batadv_dat_cache_open(struct inode *inode, struct file *file) | |
301 | { | |
302 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
303 | return single_open(file, batadv_dat_cache_seq_print_text, net_dev); | |
304 | } | |
17224474 | 305 | #endif |
2f1dfbe1 | 306 | |
9e466250 | 307 | static int batadv_transtable_local_open(struct inode *inode, struct file *file) |
c6c8fea2 SE |
308 | { |
309 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
08c36d3e | 310 | return single_open(file, batadv_tt_local_seq_print_text, net_dev); |
c6c8fea2 SE |
311 | } |
312 | ||
7f223c0c | 313 | struct batadv_debuginfo { |
c6c8fea2 SE |
314 | struct attribute attr; |
315 | const struct file_operations fops; | |
316 | }; | |
317 | ||
d56b1705 MH |
318 | #ifdef CONFIG_BATMAN_ADV_NC |
319 | static int batadv_nc_nodes_open(struct inode *inode, struct file *file) | |
320 | { | |
321 | struct net_device *net_dev = (struct net_device *)inode->i_private; | |
322 | return single_open(file, batadv_nc_nodes_seq_print_text, net_dev); | |
323 | } | |
324 | #endif | |
325 | ||
347c80f0 | 326 | #define BATADV_DEBUGINFO(_name, _mode, _open) \ |
7f223c0c | 327 | struct batadv_debuginfo batadv_debuginfo_##_name = { \ |
9e466250 SE |
328 | .attr = { .name = __stringify(_name), \ |
329 | .mode = _mode, }, \ | |
330 | .fops = { .owner = THIS_MODULE, \ | |
331 | .open = _open, \ | |
332 | .read = seq_read, \ | |
333 | .llseek = seq_lseek, \ | |
334 | .release = single_release, \ | |
335 | } \ | |
c6c8fea2 SE |
336 | }; |
337 | ||
637fbd12 AQ |
338 | /* the following attributes are general and therefore they will be directly |
339 | * placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs | |
340 | */ | |
347c80f0 | 341 | static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open); |
637fbd12 AQ |
342 | |
343 | static struct batadv_debuginfo *batadv_general_debuginfos[] = { | |
344 | &batadv_debuginfo_routing_algos, | |
345 | NULL, | |
346 | }; | |
347 | ||
348 | /* The following attributes are per soft interface */ | |
347c80f0 SE |
349 | static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); |
350 | static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); | |
351 | static BATADV_DEBUGINFO(transtable_global, S_IRUGO, | |
352 | batadv_transtable_global_open); | |
7a5cc242 | 353 | #ifdef CONFIG_BATMAN_ADV_BLA |
347c80f0 | 354 | static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open); |
536a23f1 SW |
355 | static BATADV_DEBUGINFO(bla_backbone_table, S_IRUGO, |
356 | batadv_bla_backbone_table_open); | |
7a5cc242 | 357 | #endif |
17224474 | 358 | #ifdef CONFIG_BATMAN_ADV_DAT |
2f1dfbe1 | 359 | static BATADV_DEBUGINFO(dat_cache, S_IRUGO, batadv_dat_cache_open); |
17224474 | 360 | #endif |
347c80f0 SE |
361 | static BATADV_DEBUGINFO(transtable_local, S_IRUGO, |
362 | batadv_transtable_local_open); | |
d56b1705 MH |
363 | #ifdef CONFIG_BATMAN_ADV_NC |
364 | static BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open); | |
365 | #endif | |
c6c8fea2 | 366 | |
7f223c0c | 367 | static struct batadv_debuginfo *batadv_mesh_debuginfos[] = { |
9e466250 SE |
368 | &batadv_debuginfo_originators, |
369 | &batadv_debuginfo_gateways, | |
370 | &batadv_debuginfo_transtable_global, | |
7a5cc242 | 371 | #ifdef CONFIG_BATMAN_ADV_BLA |
9e466250 | 372 | &batadv_debuginfo_bla_claim_table, |
536a23f1 | 373 | &batadv_debuginfo_bla_backbone_table, |
7a5cc242 | 374 | #endif |
17224474 | 375 | #ifdef CONFIG_BATMAN_ADV_DAT |
2f1dfbe1 | 376 | &batadv_debuginfo_dat_cache, |
17224474 | 377 | #endif |
9e466250 | 378 | &batadv_debuginfo_transtable_local, |
d56b1705 MH |
379 | #ifdef CONFIG_BATMAN_ADV_NC |
380 | &batadv_debuginfo_nc_nodes, | |
381 | #endif | |
c6c8fea2 SE |
382 | NULL, |
383 | }; | |
384 | ||
5bc7c1eb SW |
385 | #define BATADV_HARDIF_DEBUGINFO(_name, _mode, _open) \ |
386 | struct batadv_debuginfo batadv_hardif_debuginfo_##_name = { \ | |
387 | .attr = { \ | |
388 | .name = __stringify(_name), \ | |
389 | .mode = _mode, \ | |
390 | }, \ | |
391 | .fops = { \ | |
392 | .owner = THIS_MODULE, \ | |
393 | .open = _open, \ | |
394 | .read = seq_read, \ | |
395 | .llseek = seq_lseek, \ | |
396 | .release = single_release, \ | |
397 | }, \ | |
398 | }; | |
cb1c92ec SW |
399 | static BATADV_HARDIF_DEBUGINFO(originators, S_IRUGO, |
400 | batadv_originators_hardif_open); | |
5bc7c1eb SW |
401 | |
402 | static struct batadv_debuginfo *batadv_hardif_debuginfos[] = { | |
cb1c92ec | 403 | &batadv_hardif_debuginfo_originators, |
5bc7c1eb SW |
404 | NULL, |
405 | }; | |
406 | ||
40a072d7 | 407 | void batadv_debugfs_init(void) |
c6c8fea2 | 408 | { |
637fbd12 | 409 | struct batadv_debuginfo **bat_debug; |
1c280471 ML |
410 | struct dentry *file; |
411 | ||
54590e4d | 412 | batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); |
9e466250 SE |
413 | if (batadv_debugfs == ERR_PTR(-ENODEV)) |
414 | batadv_debugfs = NULL; | |
1c280471 | 415 | |
9e466250 | 416 | if (!batadv_debugfs) |
637fbd12 | 417 | goto err; |
1c280471 | 418 | |
637fbd12 AQ |
419 | for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) { |
420 | file = debugfs_create_file(((*bat_debug)->attr).name, | |
421 | S_IFREG | ((*bat_debug)->attr).mode, | |
422 | batadv_debugfs, NULL, | |
423 | &(*bat_debug)->fops); | |
424 | if (!file) { | |
425 | pr_err("Can't add general debugfs file: %s\n", | |
426 | ((*bat_debug)->attr).name); | |
427 | goto err; | |
428 | } | |
429 | } | |
1c280471 | 430 | |
1c280471 | 431 | return; |
637fbd12 AQ |
432 | err: |
433 | debugfs_remove_recursive(batadv_debugfs); | |
5bc7c1eb | 434 | batadv_debugfs = NULL; |
c6c8fea2 SE |
435 | } |
436 | ||
40a072d7 | 437 | void batadv_debugfs_destroy(void) |
c6c8fea2 | 438 | { |
3f87c423 AQ |
439 | debugfs_remove_recursive(batadv_debugfs); |
440 | batadv_debugfs = NULL; | |
c6c8fea2 SE |
441 | } |
442 | ||
5bc7c1eb SW |
443 | /** |
444 | * batadv_debugfs_add_hardif - creates the base directory for a hard interface | |
445 | * in debugfs. | |
446 | * @hard_iface: hard interface which should be added. | |
447 | */ | |
448 | int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface) | |
449 | { | |
450 | struct batadv_debuginfo **bat_debug; | |
451 | struct dentry *file; | |
452 | ||
453 | if (!batadv_debugfs) | |
454 | goto out; | |
455 | ||
456 | hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name, | |
457 | batadv_debugfs); | |
458 | if (!hard_iface->debug_dir) | |
459 | goto out; | |
460 | ||
461 | for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug) { | |
462 | file = debugfs_create_file(((*bat_debug)->attr).name, | |
463 | S_IFREG | ((*bat_debug)->attr).mode, | |
464 | hard_iface->debug_dir, | |
465 | hard_iface->net_dev, | |
466 | &(*bat_debug)->fops); | |
467 | if (!file) | |
468 | goto rem_attr; | |
469 | } | |
470 | ||
471 | return 0; | |
472 | rem_attr: | |
473 | debugfs_remove_recursive(hard_iface->debug_dir); | |
474 | hard_iface->debug_dir = NULL; | |
475 | out: | |
476 | #ifdef CONFIG_DEBUG_FS | |
477 | return -ENOMEM; | |
478 | #else | |
479 | return 0; | |
480 | #endif /* CONFIG_DEBUG_FS */ | |
481 | } | |
482 | ||
483 | /** | |
484 | * batadv_debugfs_del_hardif - delete the base directory for a hard interface | |
485 | * in debugfs. | |
486 | * @hard_iface: hard interface which is deleted. | |
487 | */ | |
488 | void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface) | |
489 | { | |
490 | if (batadv_debugfs) { | |
491 | debugfs_remove_recursive(hard_iface->debug_dir); | |
492 | hard_iface->debug_dir = NULL; | |
493 | } | |
494 | } | |
495 | ||
40a072d7 | 496 | int batadv_debugfs_add_meshif(struct net_device *dev) |
c6c8fea2 | 497 | { |
56303d34 | 498 | struct batadv_priv *bat_priv = netdev_priv(dev); |
7f223c0c | 499 | struct batadv_debuginfo **bat_debug; |
c6c8fea2 SE |
500 | struct dentry *file; |
501 | ||
9e466250 | 502 | if (!batadv_debugfs) |
c6c8fea2 SE |
503 | goto out; |
504 | ||
9e466250 | 505 | bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs); |
c6c8fea2 SE |
506 | if (!bat_priv->debug_dir) |
507 | goto out; | |
508 | ||
9039dc7e | 509 | if (batadv_socket_setup(bat_priv) < 0) |
5346c35e SE |
510 | goto rem_attr; |
511 | ||
9e466250 | 512 | if (batadv_debug_log_setup(bat_priv) < 0) |
5346c35e | 513 | goto rem_attr; |
c6c8fea2 | 514 | |
9e466250 | 515 | for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { |
c6c8fea2 | 516 | file = debugfs_create_file(((*bat_debug)->attr).name, |
0aca2369 SE |
517 | S_IFREG | ((*bat_debug)->attr).mode, |
518 | bat_priv->debug_dir, | |
519 | dev, &(*bat_debug)->fops); | |
c6c8fea2 | 520 | if (!file) { |
3e34819e SE |
521 | batadv_err(dev, "Can't add debugfs file: %s/%s\n", |
522 | dev->name, ((*bat_debug)->attr).name); | |
c6c8fea2 SE |
523 | goto rem_attr; |
524 | } | |
525 | } | |
526 | ||
d56b1705 MH |
527 | if (batadv_nc_init_debugfs(bat_priv) < 0) |
528 | goto rem_attr; | |
529 | ||
c6c8fea2 SE |
530 | return 0; |
531 | rem_attr: | |
532 | debugfs_remove_recursive(bat_priv->debug_dir); | |
533 | bat_priv->debug_dir = NULL; | |
534 | out: | |
535 | #ifdef CONFIG_DEBUG_FS | |
536 | return -ENOMEM; | |
537 | #else | |
538 | return 0; | |
539 | #endif /* CONFIG_DEBUG_FS */ | |
540 | } | |
541 | ||
40a072d7 | 542 | void batadv_debugfs_del_meshif(struct net_device *dev) |
c6c8fea2 | 543 | { |
56303d34 | 544 | struct batadv_priv *bat_priv = netdev_priv(dev); |
c6c8fea2 | 545 | |
9e466250 | 546 | batadv_debug_log_cleanup(bat_priv); |
c6c8fea2 | 547 | |
9e466250 | 548 | if (batadv_debugfs) { |
c6c8fea2 SE |
549 | debugfs_remove_recursive(bat_priv->debug_dir); |
550 | bat_priv->debug_dir = NULL; | |
551 | } | |
552 | } |