]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/staging/batman-adv/bat_sysfs.c
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[net-next-2.6.git] / drivers / staging / batman-adv / bat_sysfs.c
CommitLineData
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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"
14741240 27#include "vis.h"
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28
29#define to_dev(obj) container_of(obj, struct device, kobj)
30
31struct bat_attribute {
32 struct attribute attr;
33 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
34 char *buf);
35 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
36 char *buf, size_t count);
37};
38
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39struct hardif_attribute {
40 struct attribute attr;
41 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
42 char *buf);
43 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
44 char *buf, size_t count);
45};
46
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47#define BAT_ATTR(_name, _mode, _show, _store) \
48struct bat_attribute bat_attr_##_name = { \
49 .attr = {.name = __stringify(_name), \
50 .mode = _mode }, \
51 .show = _show, \
52 .store = _store, \
53};
54
55#define BAT_BIN_ATTR(_name, _mode, _read, _write) \
56struct bin_attribute bat_attr_##_name = { \
57 .attr = { .name = __stringify(_name), \
58 .mode = _mode, }, \
59 .read = _read, \
60 .write = _write, \
61};
62
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63#define HARDIF_ATTR(_name, _mode, _show, _store) \
64struct hardif_attribute hardif_attr_##_name = { \
65 .attr = {.name = __stringify(_name), \
66 .mode = _mode }, \
67 .show = _show, \
68 .store = _store, \
69};
70
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71static ssize_t show_aggr_ogm(struct kobject *kobj, struct attribute *attr,
72 char *buff)
73{
74 struct device *dev = to_dev(kobj->parent);
75 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
76 int aggr_status = atomic_read(&bat_priv->aggregation_enabled);
77
b7bce588 78 return sprintf(buff, "status: %s\ncommands: enable, disable, 0, 1\n",
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79 aggr_status == 0 ? "disabled" : "enabled");
80}
81
82static ssize_t store_aggr_ogm(struct kobject *kobj, struct attribute *attr,
83 char *buff, size_t count)
84{
85 struct device *dev = to_dev(kobj->parent);
86 struct net_device *net_dev = to_net_dev(dev);
87 struct bat_priv *bat_priv = netdev_priv(net_dev);
88 int aggr_tmp = -1;
89
90 if (((count == 2) && (buff[0] == '1')) ||
91 (strncmp(buff, "enable", 6) == 0))
92 aggr_tmp = 1;
93
94 if (((count == 2) && (buff[0] == '0')) ||
95 (strncmp(buff, "disable", 7) == 0))
96 aggr_tmp = 0;
97
98 if (aggr_tmp < 0) {
99 if (buff[count - 1] == '\n')
100 buff[count - 1] = '\0';
101
102 printk(KERN_INFO "batman-adv:Invalid parameter for 'aggregate OGM' setting on mesh %s received: %s\n",
103 net_dev->name, buff);
104 return -EINVAL;
105 }
106
107 if (atomic_read(&bat_priv->aggregation_enabled) == aggr_tmp)
108 return count;
109
110 printk(KERN_INFO "batman-adv:Changing aggregation from: %s to: %s on mesh: %s\n",
111 atomic_read(&bat_priv->aggregation_enabled) == 1 ?
112 "enabled" : "disabled", aggr_tmp == 1 ? "enabled" : "disabled",
113 net_dev->name);
114
115 atomic_set(&bat_priv->aggregation_enabled, (unsigned)aggr_tmp);
116 return count;
117}
118
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119static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
120 char *buff)
121{
122 struct device *dev = to_dev(kobj->parent);
123 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
124 int vis_mode = atomic_read(&bat_priv->vis_mode);
125
b7bce588 126 return sprintf(buff, "status: %s\ncommands: client, server, %d, %d\n",
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127 vis_mode == VIS_TYPE_CLIENT_UPDATE ?
128 "client" : "server",
129 VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE);
130}
131
132static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
133 char *buff, size_t count)
134{
135 struct device *dev = to_dev(kobj->parent);
136 struct net_device *net_dev = to_net_dev(dev);
137 struct bat_priv *bat_priv = netdev_priv(net_dev);
138 unsigned long val;
139 int ret, vis_mode_tmp = -1;
140
141 ret = strict_strtoul(buff, 10, &val);
142
143 if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
144 (strncmp(buff, "client", 6) == 0))
145 vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
146
147 if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
148 (strncmp(buff, "server", 6) == 0))
149 vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
150
151 if (vis_mode_tmp < 0) {
152 if (buff[count - 1] == '\n')
153 buff[count - 1] = '\0';
154
155 printk(KERN_INFO "batman-adv:Invalid parameter for 'vis mode' setting on mesh %s received: %s\n",
156 net_dev->name, buff);
157 return -EINVAL;
158 }
159
160 if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
161 return count;
162
163 printk(KERN_INFO "batman-adv:Changing vis mode from: %s to: %s on mesh: %s\n",
164 atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
165 "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
166 "client" : "server", net_dev->name);
167
168 atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp);
169 return count;
170}
171
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172static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr,
173 char *buff)
174{
175 struct device *dev = to_dev(kobj->parent);
176 struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
177
178 return sprintf(buff, "status: %i\n",
179 atomic_read(&bat_priv->orig_interval));
180}
181
182static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
183 char *buff, size_t count)
184{
185 struct device *dev = to_dev(kobj->parent);
186 struct net_device *net_dev = to_net_dev(dev);
187 struct bat_priv *bat_priv = netdev_priv(net_dev);
188 unsigned long orig_interval_tmp;
189 int ret;
190
191 ret = strict_strtoul(buff, 10, &orig_interval_tmp);
192 if (ret) {
193 printk(KERN_INFO "batman-adv:Invalid parameter for 'orig_interval' setting on mesh %s received: %s\n",
194 net_dev->name, buff);
195 return -EINVAL;
196 }
197
198 if (orig_interval_tmp <= JITTER * 2) {
199 printk(KERN_INFO "batman-adv:New originator interval too small: %li (min: %i)\n",
200 orig_interval_tmp, JITTER * 2);
201 return -EINVAL;
202 }
203
204 if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp)
205 return count;
206
207 printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li on mesh: %s\n",
208 atomic_read(&bat_priv->orig_interval),
209 orig_interval_tmp, net_dev->name);
210
211 atomic_set(&bat_priv->orig_interval, orig_interval_tmp);
212 return count;
213}
214
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215static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR,
216 show_aggr_ogm, store_aggr_ogm);
14741240 217static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
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218static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
219 show_orig_interval, store_orig_interval);
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220
221static struct bat_attribute *mesh_attrs[] = {
222 &bat_attr_aggregate_ogm,
14741240 223 &bat_attr_vis_mode,
1d59f82c 224 &bat_attr_orig_interval,
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225 NULL,
226};
227
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228static ssize_t transtable_local_read(struct file *filp, struct kobject *kobj,
229 struct bin_attribute *bin_attr,
230 char *buff, loff_t off, size_t count)
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231{
232 struct device *dev = to_dev(kobj->parent);
233 struct net_device *net_dev = to_net_dev(dev);
234
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235 return hna_local_fill_buffer_text(net_dev, buff, count, off);
236}
237
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238static ssize_t transtable_global_read(struct file *filp, struct kobject *kobj,
239 struct bin_attribute *bin_attr,
240 char *buff, loff_t off, size_t count)
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241{
242 struct device *dev = to_dev(kobj->parent);
243 struct net_device *net_dev = to_net_dev(dev);
244
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245 return hna_global_fill_buffer_text(net_dev, buff, count, off);
246}
247
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248static ssize_t originators_read(struct file *filp, struct kobject *kobj,
249 struct bin_attribute *bin_attr,
250 char *buff, loff_t off, size_t count)
47fdf097 251{
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252 struct device *dev = to_dev(kobj->parent);
253 struct net_device *net_dev = to_net_dev(dev);
254
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255 return orig_fill_buffer_text(net_dev, buff, count, off);
256}
47fdf097 257
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258static ssize_t vis_data_read(struct file *filp, struct kobject *kobj,
259 struct bin_attribute *bin_attr,
260 char *buff, loff_t off, size_t count)
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261{
262 struct device *dev = to_dev(kobj->parent);
263 struct net_device *net_dev = to_net_dev(dev);
47fdf097 264
14741240 265 return vis_fill_buffer_text(net_dev, buff, count, off);
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266}
267
268static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL);
269static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL);
270static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL);
14741240 271static BAT_BIN_ATTR(vis_data, S_IRUGO, vis_data_read, NULL);
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272
273static struct bin_attribute *mesh_bin_attrs[] = {
274 &bat_attr_transtable_local,
275 &bat_attr_transtable_global,
276 &bat_attr_originators,
14741240 277 &bat_attr_vis_data,
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278 NULL,
279};
280
281int sysfs_add_meshif(struct net_device *dev)
282{
283 struct kobject *batif_kobject = &dev->dev.kobj;
284 struct bat_priv *bat_priv = netdev_priv(dev);
285 struct bat_attribute **bat_attr;
286 struct bin_attribute **bin_attr;
287 int err;
288
289 /* FIXME: should be done in the general mesh setup
290 routine as soon as we have it */
291 atomic_set(&bat_priv->aggregation_enabled, 1);
14741240 292 atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
1d59f82c 293 atomic_set(&bat_priv->orig_interval, 1000);
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294 bat_priv->primary_if = NULL;
295 bat_priv->num_ifaces = 0;
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296
297 bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
298 batif_kobject);
299 if (!bat_priv->mesh_obj) {
300 printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
301 dev->name, SYSFS_IF_MESH_SUBDIR);
302 goto out;
303 }
304
305 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) {
306 err = sysfs_create_file(bat_priv->mesh_obj,
307 &((*bat_attr)->attr));
308 if (err) {
309 printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
310 dev->name, SYSFS_IF_MESH_SUBDIR,
311 ((*bat_attr)->attr).name);
312 goto rem_attr;
313 }
314 }
315
316 for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr) {
317 err = sysfs_create_bin_file(bat_priv->mesh_obj, (*bin_attr));
318 if (err) {
319 printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
320 dev->name, SYSFS_IF_MESH_SUBDIR,
321 ((*bin_attr)->attr).name);
322 goto rem_bin_attr;
323 }
324 }
325
326 return 0;
327
328rem_bin_attr:
329 for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
330 sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
331rem_attr:
332 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
333 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
334
335 kobject_put(bat_priv->mesh_obj);
336 bat_priv->mesh_obj = NULL;
337out:
338 return -ENOMEM;
339}
340
341void sysfs_del_meshif(struct net_device *dev)
342{
343 struct bat_priv *bat_priv = netdev_priv(dev);
344 struct bat_attribute **bat_attr;
345 struct bin_attribute **bin_attr;
346
347 for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
348 sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
349
350 for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
351 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
352
353 kobject_put(bat_priv->mesh_obj);
354 bat_priv->mesh_obj = NULL;
355}
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356
357static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
358 char *buff)
359{
360 struct device *dev = to_dev(kobj->parent);
361 struct net_device *net_dev = to_net_dev(dev);
362 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
363
364 if (!batman_if)
365 return 0;
366
b7bce588 367 return sprintf(buff, "status: %s\ncommands: none, bat0\n",
208e13e4
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368 batman_if->if_status == IF_NOT_IN_USE ?
369 "none" : "bat0");
370}
371
372static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
373 char *buff, size_t count)
374{
375 struct device *dev = to_dev(kobj->parent);
376 struct net_device *net_dev = to_net_dev(dev);
377 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
378 int status_tmp = -1;
379
380 if (!batman_if)
381 return count;
382
383 if (strncmp(buff, "none", 4) == 0)
384 status_tmp = IF_NOT_IN_USE;
385
386 if (strncmp(buff, "bat0", 4) == 0)
387 status_tmp = IF_I_WANT_YOU;
388
389 if (status_tmp < 0) {
390 if (buff[count - 1] == '\n')
391 buff[count - 1] = '\0';
392
393 printk(KERN_ERR "batman-adv:Invalid parameter for 'mesh_iface' setting received: %s\n",
394 buff);
395 return -EINVAL;
396 }
397
398 if ((batman_if->if_status == status_tmp) ||
399 ((status_tmp == IF_I_WANT_YOU) &&
400 (batman_if->if_status != IF_NOT_IN_USE)))
401 return count;
402
403 if (status_tmp == IF_I_WANT_YOU)
404 status_tmp = hardif_enable_interface(batman_if);
405 else
406 hardif_disable_interface(batman_if);
407
408 return (status_tmp < 0 ? status_tmp : count);
409}
410
411static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
412 char *buff)
413{
414 struct device *dev = to_dev(kobj->parent);
415 struct net_device *net_dev = to_net_dev(dev);
416 struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
417
418 if (!batman_if)
419 return 0;
420
421 switch (batman_if->if_status) {
422 case IF_TO_BE_REMOVED:
423 return sprintf(buff, "disabling\n");
424 case IF_INACTIVE:
425 return sprintf(buff, "inactive\n");
426 case IF_ACTIVE:
427 return sprintf(buff, "active\n");
428 case IF_TO_BE_ACTIVATED:
429 return sprintf(buff, "enabling\n");
430 case IF_NOT_IN_USE:
431 default:
432 return sprintf(buff, "not in use\n");
433 }
434}
435
436static HARDIF_ATTR(mesh_iface, S_IRUGO | S_IWUSR,
437 show_mesh_iface, store_mesh_iface);
438static HARDIF_ATTR(iface_status, S_IRUGO, show_iface_status, NULL);
439
440static struct hardif_attribute *batman_attrs[] = {
441 &hardif_attr_mesh_iface,
442 &hardif_attr_iface_status,
443 NULL,
444};
445
446int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
447{
448 struct kobject *hardif_kobject = &dev->dev.kobj;
449 struct hardif_attribute **hardif_attr;
450 int err;
451
452 *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR,
453 hardif_kobject);
454
455 if (!*hardif_obj) {
456 printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
457 dev->name, SYSFS_IF_BAT_SUBDIR);
458 goto out;
459 }
460
461 for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr) {
462 err = sysfs_create_file(*hardif_obj, &((*hardif_attr)->attr));
463 if (err) {
464 printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
465 dev->name, SYSFS_IF_BAT_SUBDIR,
466 ((*hardif_attr)->attr).name);
467 goto rem_attr;
468 }
469 }
470
471 return 0;
472
473rem_attr:
474 for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr)
475 sysfs_remove_file(*hardif_obj, &((*hardif_attr)->attr));
476out:
477 return -ENOMEM;
478}
479
480void sysfs_del_hardif(struct kobject **hardif_obj)
481{
482 kobject_put(*hardif_obj);
483 *hardif_obj = NULL;
484}