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path: root/drivers/staging/batman-adv/bat_sysfs.c
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Diffstat (limited to 'drivers/staging/batman-adv/bat_sysfs.c')
-rw-r--r--drivers/staging/batman-adv/bat_sysfs.c558
1 files changed, 0 insertions, 558 deletions
diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
deleted file mode 100644
index bc17fb81630..00000000000
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ /dev/null
@@ -1,558 +0,0 @@
1/*
2 * Copyright (C) 2010 B.A.T.M.A.N. contributors:
3 *
4 * Marek Lindner
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA
19 *
20 */
21
22#include "main.h"
23#include "bat_sysfs.h"
24#include "translation-table.h"
25#include "originator.h"
26#include "hard-interface.h"
27#include "vis.h"
28
29#define to_dev(obj) container_of(obj, struct device, kobj)
30
31#define BAT_ATTR(_name, _mode, _show, _store) \
32struct bat_attribute bat_attr_##_name = { \
33 .attr = {.name = __stringify(_name), \
34 .mode = _mode }, \
35 .show = _show, \
36 .store = _store, \
37};
38
39static ssize_t show_aggr_ogms(struct kobject *kobj, struct attribute *attr,
40 char *buff)
41{
42 struct device *dev = to_dev(kobj->parent);
43 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
44 int aggr_status = atomic_read(&bat_priv->aggregation_enabled);
45
46 return sprintf(buff, "%s\n",
47 aggr_status == 0 ? "disabled" : "enabled");
48}
49
50static ssize_t store_aggr_ogms(struct kobject *kobj, struct attribute *attr,
51 char *buff, size_t count)
52{
53 struct device *dev = to_dev(kobj->parent);
54 struct net_device *net_dev = to_net_dev(dev);
55 struct bat_priv *bat_priv = netdev_priv(net_dev);
56 int aggr_tmp = -1;
57
58 if (((count == 2) && (buff[0] == '1')) ||
59 (strncmp(buff, "enable", 6) == 0))
60 aggr_tmp = 1;
61
62 if (((count == 2) && (buff[0] == '0')) ||
63 (strncmp(buff, "disable", 7) == 0))
64 aggr_tmp = 0;
65
66 if (aggr_tmp < 0) {
67 if (buff[count - 1] == '\n')
68 buff[count - 1] = '\0';
69
70 bat_info(net_dev,
71 "Invalid parameter for 'aggregate OGM' setting"
72 "received: %s\n", buff);
73 return -EINVAL;
74 }
75
76 if (atomic_read(&bat_priv->aggregation_enabled) == aggr_tmp)
77 return count;
78
79 bat_info(net_dev, "Changing aggregation from: %s to: %s\n",
80 atomic_read(&bat_priv->aggregation_enabled) == 1 ?
81 "enabled" : "disabled", aggr_tmp == 1 ? "enabled" :
82 "disabled");
83
84 atomic_set(&bat_priv->aggregation_enabled, (unsigned)aggr_tmp);
85 return count;
86}
87
88static ssize_t show_bond(struct kobject *kobj, struct attribute *attr,
89 char *buff)
90{
91 struct device *dev = to_dev(kobj->parent);
92 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
93 int bond_status = atomic_read(&bat_priv->bonding_enabled);
94
95 return sprintf(buff, "%s\n",
96 bond_status == 0 ? "disabled" : "enabled");
97}
98
99static ssize_t store_bond(struct kobject *kobj, struct attribute *attr,
100 char *buff, size_t count)
101{
102 struct device *dev = to_dev(kobj->parent);
103 struct net_device *net_dev = to_net_dev(dev);
104 struct bat_priv *bat_priv = netdev_priv(net_dev);
105 int bonding_enabled_tmp = -1;
106
107 if (((count == 2) && (buff[0] == '1')) ||
108 (strncmp(buff, "enable", 6) == 0))
109 bonding_enabled_tmp = 1;
110
111 if (((count == 2) && (buff[0] == '0')) ||
112 (strncmp(buff, "disable", 7) == 0))
113 bonding_enabled_tmp = 0;
114
115 if (bonding_enabled_tmp < 0) {
116 if (buff[count - 1] == '\n')
117 buff[count - 1] = '\0';
118
119 bat_err(net_dev,
120 "Invalid parameter for 'bonding' setting received: "
121 "%s\n", buff);
122 return -EINVAL;
123 }
124
125 if (atomic_read(&bat_priv->bonding_enabled) == bonding_enabled_tmp)
126 return count;
127
128 bat_info(net_dev, "Changing bonding from: %s to: %s\n",
129 atomic_read(&bat_priv->bonding_enabled) == 1 ?
130 "enabled" : "disabled",
131 bonding_enabled_tmp == 1 ? "enabled" : "disabled");
132
133 atomic_set(&bat_priv->bonding_enabled, (unsigned)bonding_enabled_tmp);
134 return count;
135}
136
137static ssize_t show_frag(struct kobject *kobj, struct attribute *attr,
138 char *buff)
139{
140 struct device *dev = to_dev(kobj->parent);
141 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
142 int frag_status = atomic_read(&bat_priv->frag_enabled);
143
144 return sprintf(buff, "%s\n",
145 frag_status == 0 ? "disabled" : "enabled");
146}
147
148static ssize_t store_frag(struct kobject *kobj, struct attribute *attr,
149 char *buff, size_t count)
150{
151 struct device *dev = to_dev(kobj->parent);
152 struct net_device *net_dev = to_net_dev(dev);
153 struct bat_priv *bat_priv = netdev_priv(net_dev);
154 int frag_enabled_tmp = -1;
155
156 if (((count == 2) && (buff[0] == '1')) ||
157 (strncmp(buff, "enable", 6) == 0))
158 frag_enabled_tmp = 1;
159
160 if (((count == 2) && (buff[0] == '0')) ||
161 (strncmp(buff, "disable", 7) == 0))
162 frag_enabled_tmp = 0;
163
164 if (frag_enabled_tmp < 0) {
165 if (buff[count - 1] == '\n')
166 buff[count - 1] = '\0';
167
168 bat_err(net_dev,
169 "Invalid parameter for 'fragmentation' setting on mesh"
170 "received: %s\n", buff);
171 return -EINVAL;
172 }
173
174 if (atomic_read(&bat_priv->frag_enabled) == frag_enabled_tmp)
175 return count;
176
177 bat_info(net_dev, "Changing fragmentation from: %s to: %s\n",
178 atomic_read(&bat_priv->frag_enabled) == 1 ?
179 "enabled" : "disabled",
180 frag_enabled_tmp == 1 ? "enabled" : "disabled");
181
182 atomic_set(&bat_priv->frag_enabled, (unsigned)frag_enabled_tmp);
183 update_min_mtu(net_dev);
184 return count;
185}
186
187static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
188 char *buff)
189{
190 struct device *dev = to_dev(kobj->parent);
191 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
192 int vis_mode = atomic_read(&bat_priv->vis_mode);
193
194 return sprintf(buff, "%s\n",
195 vis_mode == VIS_TYPE_CLIENT_UPDATE ?
196 "client" : "server");
197}
198
199static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
200 char *buff, size_t count)
201{
202 struct device *dev = to_dev(kobj->parent);
203 struct net_device *net_dev = to_net_dev(dev);
204 struct bat_priv *bat_priv = netdev_priv(net_dev);
205 unsigned long val;
206 int ret, vis_mode_tmp = -1;
207
208 ret = strict_strtoul(buff, 10, &val);
209
210 if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
211 (strncmp(buff, "client", 6) == 0) ||
212 (strncmp(buff, "off", 3) == 0))
213 vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
214
215 if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
216 (strncmp(buff, "server", 6) == 0))
217 vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
218
219 if (vis_mode_tmp < 0) {
220 if (buff[count - 1] == '\n')
221 buff[count - 1] = '\0';
222
223 bat_info(net_dev,
224 "Invalid parameter for 'vis mode' setting received: "
225 "%s\n", buff);
226 return -EINVAL;
227 }
228
229 if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
230 return count;
231
232 bat_info(net_dev, "Changing vis mode from: %s to: %s\n",
233 atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
234 "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
235 "client" : "server");
236
237 atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp);
238 return count;
239}
240
241static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr,
242 char *buff)
243{
244 struct device *dev = to_dev(kobj->parent);
245 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
246
247 return sprintf(buff, "%i\n",
248 atomic_read(&bat_priv->orig_interval));
249}
250
251static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
252 char *buff, size_t count)
253{
254 struct device *dev = to_dev(kobj->parent);
255 struct net_device *net_dev = to_net_dev(dev);
256 struct bat_priv *bat_priv = netdev_priv(net_dev);
257 unsigned long orig_interval_tmp;
258 int ret;
259
260 ret = strict_strtoul(buff, 10, &orig_interval_tmp);
261 if (ret) {
262 bat_info(net_dev, "Invalid parameter for 'orig_interval' "
263 "setting received: %s\n", buff);
264 return -EINVAL;
265 }
266
267 if (orig_interval_tmp < JITTER * 2) {
268 bat_info(net_dev, "New originator interval too small: %li "
269 "(min: %i)\n", orig_interval_tmp, JITTER * 2);
270 return -EINVAL;
271 }
272
273 if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp)
274 return count;
275
276 bat_info(net_dev, "Changing originator interval from: %i to: %li\n",
277 atomic_read(&bat_priv->orig_interval),
278 orig_interval_tmp);
279
280 atomic_set(&bat_priv->orig_interval, orig_interval_tmp);
281 return count;
282}
283
284#ifdef CONFIG_BATMAN_ADV_DEBUG
285static ssize_t show_log_level(struct kobject *kobj, struct attribute *attr,
286 char *buff)
287{
288 struct device *dev = to_dev(kobj->parent);
289 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
290 int log_level = atomic_read(&bat_priv->log_level);
291
292 return sprintf(buff, "%d\n", log_level);
293}
294
295static ssize_t store_log_level(struct kobject *kobj, struct attribute *attr,
296 char *buff, size_t count)
297{
298 struct device *dev = to_dev(kobj->parent);
299 struct net_device *net_dev = to_net_dev(dev);
300 struct bat_priv *bat_priv = netdev_priv(net_dev);
301 unsigned long log_level_tmp;
302 int ret;
303
304 ret = strict_strtoul(buff, 10, &log_level_tmp);
305 if (ret) {
306 bat_info(net_dev, "Invalid parameter for 'log_level' "
307 "setting received: %s\n", buff);
308 return -EINVAL;
309 }
310
311 if (log_level_tmp > 3) {
312 bat_info(net_dev, "New log level too big: %li "
313 "(max: %i)\n", log_level_tmp, 3);
314 return -EINVAL;
315 }
316
317 if (atomic_read(&bat_priv->log_level) == log_level_tmp)
318 return count;
319
320 bat_info(net_dev, "Changing log level from: %i to: %li\n",
321 atomic_read(&bat_priv->log_level),
322 log_level_tmp);
323
324 atomic_set(&bat_priv->log_level, (unsigned)log_level_tmp);
325 return count;
326}
327#endif
328
329static BAT_ATTR(aggregated_ogms, S_IRUGO | S_IWUSR,
330 show_aggr_ogms, store_aggr_ogms);
331static BAT_ATTR(bonding, S_IRUGO | S_IWUSR, show_bond, store_bond);
332static BAT_ATTR(fragmentation, S_IRUGO | S_IWUSR, show_frag, store_frag);
333static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
334static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
335 show_orig_interval, store_orig_interval);
336#ifdef CONFIG_BATMAN_ADV_DEBUG
337static BAT_ATTR(log_level, S_IRUGO | S_IWUSR, show_log_level, store_log_level);
338#endif
339
340static struct bat_attribute *mesh_attrs[] = {
341 &bat_attr_aggregated_ogms,
342 &bat_attr_bonding,
343 &bat_attr_fragmentation,
344 &bat_attr_vis_mode,
345 &bat_attr_orig_interval,
346#ifdef CONFIG_BATMAN_ADV_DEBUG
347 &bat_attr_log_level,
348#endif
349 NULL,
350};
351
352int sysfs_add_meshif(struct net_device *dev)
353{
354 struct kobject *batif_kobject = &dev->dev.kobj;
355 struct bat_priv *bat_priv = netdev_priv(dev);
356 struct bat_attribute **bat_attr;
357 int err;
358
359 bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
360 batif_kobject);
361 if (!bat_priv->mesh_obj) {
362 bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
363 SYSFS_IF_MESH_SUBDIR);
364 goto out;
365 }
366
367 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) {
368 err = sysfs_create_file(bat_priv->mesh_obj,
369 &((*bat_attr)->attr));
370 if (err) {
371 bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
372 dev->name, SYSFS_IF_MESH_SUBDIR,
373 ((*bat_attr)->attr).name);
374 goto rem_attr;
375 }
376 }
377
378 return 0;
379
380rem_attr:
381 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
382 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
383
384 kobject_put(bat_priv->mesh_obj);
385 bat_priv->mesh_obj = NULL;
386out:
387 return -ENOMEM;
388}
389
390void sysfs_del_meshif(struct net_device *dev)
391{
392 struct bat_priv *bat_priv = netdev_priv(dev);
393 struct bat_attribute **bat_attr;
394
395 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
396 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
397
398 kobject_put(bat_priv->mesh_obj);
399 bat_priv->mesh_obj = NULL;
400}
401
402static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
403 char *buff)
404{
405 struct device *dev = to_dev(kobj->parent);
406 struct net_device *net_dev = to_net_dev(dev);
407 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
408 ssize_t length;
409
410 if (!batman_if)
411 return 0;
412
413 length = sprintf(buff, "%s\n", batman_if->if_status == IF_NOT_IN_USE ?
414 "none" : batman_if->soft_iface->name);
415
416 hardif_put(batman_if);
417
418 return length;
419}
420
421static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
422 char *buff, size_t count)
423{
424 struct device *dev = to_dev(kobj->parent);
425 struct net_device *net_dev = to_net_dev(dev);
426 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
427 int status_tmp = -1;
428 int ret;
429
430 if (!batman_if)
431 return count;
432
433 if (buff[count - 1] == '\n')
434 buff[count - 1] = '\0';
435
436 if (strlen(buff) >= IFNAMSIZ) {
437 pr_err("Invalid parameter for 'mesh_iface' setting received: "
438 "interface name too long '%s'\n", buff);
439 hardif_put(batman_if);
440 return -EINVAL;
441 }
442
443 if (strncmp(buff, "none", 4) == 0)
444 status_tmp = IF_NOT_IN_USE;
445 else
446 status_tmp = IF_I_WANT_YOU;
447
448 if ((batman_if->if_status == status_tmp) || ((batman_if->soft_iface) &&
449 (strncmp(batman_if->soft_iface->name, buff, IFNAMSIZ) == 0))) {
450 hardif_put(batman_if);
451 return count;
452 }
453
454 if (status_tmp == IF_NOT_IN_USE) {
455 rtnl_lock();
456 hardif_disable_interface(batman_if);
457 rtnl_unlock();
458 hardif_put(batman_if);
459 return count;
460 }
461
462 /* if the interface already is in use */
463 if (batman_if->if_status != IF_NOT_IN_USE) {
464 rtnl_lock();
465 hardif_disable_interface(batman_if);
466 rtnl_unlock();
467 }
468
469 ret = hardif_enable_interface(batman_if, buff);
470 hardif_put(batman_if);
471
472 return ret;
473}
474
475static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
476 char *buff)
477{
478 struct device *dev = to_dev(kobj->parent);
479 struct net_device *net_dev = to_net_dev(dev);
480 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
481 ssize_t length;
482
483 if (!batman_if)
484 return 0;
485
486 switch (batman_if->if_status) {
487 case IF_TO_BE_REMOVED:
488 length = sprintf(buff, "disabling\n");
489 break;
490 case IF_INACTIVE:
491 length = sprintf(buff, "inactive\n");
492 break;
493 case IF_ACTIVE:
494 length = sprintf(buff, "active\n");
495 break;
496 case IF_TO_BE_ACTIVATED:
497 length = sprintf(buff, "enabling\n");
498 break;
499 case IF_NOT_IN_USE:
500 default:
501 length = sprintf(buff, "not in use\n");
502 break;
503 }
504
505 hardif_put(batman_if);
506
507 return length;
508}
509
510static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR,
511 show_mesh_iface, store_mesh_iface);
512static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL);
513
514static struct bat_attribute *batman_attrs[] = {
515 &bat_attr_mesh_iface,
516 &bat_attr_iface_status,
517 NULL,
518};
519
520int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
521{
522 struct kobject *hardif_kobject = &dev->dev.kobj;
523 struct bat_attribute **bat_attr;
524 int err;
525
526 *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR,
527 hardif_kobject);
528
529 if (!*hardif_obj) {
530 bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
531 SYSFS_IF_BAT_SUBDIR);
532 goto out;
533 }
534
535 for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) {
536 err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
537 if (err) {
538 bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
539 dev->name, SYSFS_IF_BAT_SUBDIR,
540 ((*bat_attr)->attr).name);
541 goto rem_attr;
542 }
543 }
544
545 return 0;
546
547rem_attr:
548 for (bat_attr = batman_attrs; *bat_attr; ++bat_attr)
549 sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr));
550out:
551 return -ENOMEM;
552}
553
554void sysfs_del_hardif(struct kobject **hardif_obj)
555{
556 kobject_put(*hardif_obj);
557 *hardif_obj = NULL;
558}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-21 15:09:11 -0400